diff options
| author | Mai M <mathew1800@gmail.com> | 2022-02-08 00:28:20 -0500 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-02-08 00:28:20 -0500 |
| commit | bd83bdb73238511a95bd4e07205c3f90aa14876c (patch) | |
| tree | 088f7f22a9e54bbaf01dfc1a34c7e66c09a1a69a | |
| parent | 0d5786059b8c36f3c8536c6a8f0f6769eac89492 (diff) | |
| parent | ca31964833a41b2968b933144eeec86242dbd67a (diff) | |
Merge pull request #10437 from AdmiralCurtiss/minizip-ng
Externals: Update minizip to minizip-ng version 3.0.4.
54 files changed, 18319 insertions, 2802 deletions
diff --git a/Externals/minizip/CMakeLists.txt b/Externals/minizip/CMakeLists.txt index e911124296..b28e136681 100644 --- a/Externals/minizip/CMakeLists.txt +++ b/Externals/minizip/CMakeLists.txt @@ -1,18 +1,69 @@ project(minizip C) -set(SRCS ioapi.c unzip.c) - -add_definitions(-DNOUNCRYPT) -if(UNIX) - add_definitions(-D__USE_FILE_OFFSET64) - add_definitions(-D__USE_LARGEFILE64) - add_definitions(-D_LARGEFILE64_SOURCE) - add_definitions(-D_FILE_OFFSET_BIT=64) +add_library(minizip STATIC + mz.h + mz_compat.c + mz_compat.h + mz_crypt.c + mz_crypt.h + mz_os.c + mz_os.h + mz_strm.c + mz_strm.h + mz_strm_buf.c + mz_strm_buf.h + mz_strm_mem.c + mz_strm_mem.h + mz_strm_os.h + mz_strm_split.c + mz_strm_split.h + mz_strm_zlib.c + mz_strm_zlib.h + mz_zip.c + mz_zip.h + mz_zip_rw.c + mz_zip_rw.h + unzip.h + zip.h +) + +if (UNIX) + target_sources(minizip PRIVATE + mz_os_posix.c + mz_strm_os_posix.c + ) +endif() + +if (WIN32) + target_sources(minizip PRIVATE + mz_os_win32.c + mz_strm_os_win32.c + ) endif() -add_library(minizip STATIC ${SRCS}) target_include_directories(minizip PUBLIC .) +target_compile_definitions(minizip PRIVATE HAVE_ZLIB ZLIB_COMPAT MZ_ZIP_NO_CRYPTO MZ_ZIP_NO_ENCRYPTION) +if (UNIX) + target_compile_definitions(minizip PRIVATE _POSIX_C_SOURCE=200112L) + target_compile_definitions(minizip PRIVATE __USE_LARGEFILE64 _LARGEFILE64_SOURCE) +endif() + +check_include_file(stdint.h HAVE_STDINT_H) +if (HAVE_STDINT_H) + target_compile_definitions(minizip PRIVATE HAVE_STDINT_H) +endif() + +check_include_file(inttypes.h HAVE_INTTYPES_H) +if (HAVE_INTTYPES_H) + target_compile_definitions(minizip PRIVATE HAVE_INTTYPES_H) +endif() + +check_function_exists(fseeko HAVE_FSEEKO) +if (NOT HAVE_FSEEKO) + target_compile_definitions(minizip PRIVATE NO_FSEEKO) +endif() + target_link_libraries(minizip PUBLIC ZLIB::ZLIB) add_library(MiniZip::minizip ALIAS minizip) diff --git a/Externals/minizip/CMakeLists.txt.original b/Externals/minizip/CMakeLists.txt.original new file mode 100644 index 0000000000..38bbf82bbb --- /dev/null +++ b/Externals/minizip/CMakeLists.txt.original @@ -0,0 +1,1015 @@ +#*************************************************************************** +# Copyright (C) 2017-2020 Nathan Moinvaziri +# https://github.com/zlib-ng/minizip-ng +# Copyright (C) 2016 Matthias Schmieder +# schmieder.matthias@gmail.com +#*************************************************************************** + +cmake_minimum_required(VERSION 3.13) + +message(STATUS "Using CMake version ${CMAKE_VERSION}") + +# Compatibility options +option(MZ_COMPAT "Enables compatibility layer" ON) +# Compression library options +option(MZ_ZLIB "Enables ZLIB compression" ON) +option(MZ_BZIP2 "Enables BZIP2 compression" ON) +option(MZ_LZMA "Enables LZMA & XZ compression" ON) +option(MZ_ZSTD "Enables ZSTD compression" ON) +option(MZ_LIBCOMP "Enables Apple compression" ${APPLE}) +option(MZ_FETCH_LIBS "Enables fetching third-party libraries if not found" ${WIN32}) +option(MZ_FORCE_FETCH_LIBS "Enables fetching third-party libraries always" OFF) +# Encryption support options +option(MZ_PKCRYPT "Enables PKWARE traditional encryption" ON) +option(MZ_WZAES "Enables WinZIP AES encryption" ON) +option(MZ_OPENSSL "Enables OpenSSL for encryption" ${UNIX}) +option(MZ_LIBBSD "Enable libbsd crypto random" ${UNIX}) +option(MZ_SIGNING "Enables zip signing support" ON) +# Character conversion options +option(MZ_ICONV "Enables iconv for string encoding conversion" ON) +# Code generation options +option(MZ_COMPRESS_ONLY "Only support compression" OFF) +option(MZ_DECOMPRESS_ONLY "Only support decompression" OFF) +option(MZ_FILE32_API "Builds using posix 32-bit file api" OFF) +# Build and continuous integration options +option(MZ_BUILD_TESTS "Builds minizip test executable" OFF) +option(MZ_BUILD_UNIT_TESTS "Builds minizip unit test project" OFF) +option(MZ_BUILD_FUZZ_TESTS "Builds minizip fuzzer executables" OFF) +option(MZ_CODE_COVERAGE "Builds with code coverage flags" OFF) +# Package management options +set(MZ_PROJECT_SUFFIX "" CACHE STRING "Project name suffix for package managers") + +mark_as_advanced(MZ_FILE32_API MZ_PROJECT_SUFFIX) + +# Backwards compatibility +if(DEFINED MZ_BUILD_TEST) + set(MZ_BUILD_TESTS ${MZ_BUILD_TEST}) +endif() +if(DEFINED MZ_BUILD_UNIT_TEST) + set(MZ_BUILD_UNIT_TESTS ${MZ_BUILD_UNIT_TEST}) +endif() +if(DEFINED MZ_BUILD_FUZZ_TEST) + set(MZ_BUILD_FUZZ_TESTS ${MZ_BUILD_FUZZ_TEST}) +endif() + +if(POLICY CMP0074) + cmake_policy(SET CMP0074 OLD) +endif() +if(POLICY CMP0054) + cmake_policy(SET CMP0054 NEW) +endif() + +# ZLIB_ROOT - Parent directory of zlib installation +# BZIP2_ROOT - Parent directory of BZip2 installation +# OPENSSL_ROOT - Parent directory of OpenSSL installation + +enable_language(C) + +# Library version +set(VERSION "3.0.4") + +# API version +set(SOVERSION "3") + +include(CheckLibraryExists) +include(CheckSymbolExists) +include(CheckFunctionExists) +include(CheckIncludeFile) +include(CheckTypeSize) +include(GNUInstallDirs) +include(FeatureSummary) + +set(INSTALL_BIN_DIR ${CMAKE_INSTALL_BINDIR} CACHE PATH "Installation directory for executables") +set(INSTALL_LIB_DIR ${CMAKE_INSTALL_LIBDIR} CACHE PATH "Installation directory for libraries") +set(INSTALL_INC_DIR ${CMAKE_INSTALL_INCLUDEDIR} CACHE PATH "Installation directory for headers") +set(INSTALL_MAN_DIR ${CMAKE_INSTALL_MANDIR} CACHE PATH "Installation directory for manual pages") + +set(STDLIB_DEF) +set(MINIZIP_DEF) +set(MINIZIP_INC) +set(MINIZIP_LIB) +set(MINIZIP_LBD) +set(MINIZIP_DEP) +set(MINIZIP_DEP_PKG) +set(MINIZIP_LFG) + +# Initial source files +set(MINIZIP_SRC + mz_crypt.c + mz_os.c + mz_strm.c + mz_strm_buf.c + mz_strm_mem.c + mz_strm_split.c + mz_zip.c + mz_zip_rw.c) + +# Initial header files +set(MINIZIP_HDR + mz.h + mz_os.h + mz_crypt.h + mz_strm.h + mz_strm_buf.h + mz_strm_mem.h + mz_strm_split.h + mz_strm_os.h + mz_zip.h + mz_zip_rw.h) + +set(PC_PRIVATE_LIBS) + +# Check for system includes +check_include_file(stdint.h HAVE_STDINT_H) +check_include_file(inttypes.h HAVE_INTTYPES_H) + +if(HAVE_STDINT_H) + list(APPEND STDLIB_DEF -DHAVE_STDINT_H) +endif() +if(HAVE_INTTYPES_H) + list(APPEND STDLIB_DEF -DHAVE_INTTYPES_H) +endif() + +# Check for large file support +check_type_size(off64_t OFF64_T) +if(HAVE_OFF64_T) + list(APPEND STDLIB_DEF -D__USE_LARGEFILE64) + list(APPEND STDLIB_DEF -D_LARGEFILE64_SOURCE) +endif() +# Check for fseeko support +check_function_exists(fseeko HAVE_FSEEKO) +if(NOT HAVE_FSEEKO) + list(APPEND STDLIB_DEF -DNO_FSEEKO) +endif() + +# Checkout remote repository +macro(clone_repo name url) + if(NOT ${name}_REPOSITORY) + set(${name}_REPOSITORY ${url}) + endif() + if(NOT ${name}_TAG) + set(${name}_TAG master) + endif() + + message(STATUS "Fetching ${name} ${${name}_REPOSITORY} ${${name}_TAG}") + + # Check for FetchContent cmake support + if(${CMAKE_VERSION} VERSION_LESS "3.11") + message(FATAL_ERROR "CMake 3.11 required to fetch ${name}") + else() + include(FetchContent) + + string(TOLOWER ${name} name_lower) + string(TOUPPER ${name} name_upper) + + FetchContent_Declare(${name} + GIT_REPOSITORY ${${name}_REPOSITORY} + GIT_TAG ${${name}_TAG} + SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/lib/${name_lower}) + + FetchContent_GetProperties(${name} POPULATED ${name_lower}_POPULATED) + + if(NOT ${name_lower}_POPULATED) + FetchContent_Populate(${name}) + endif() + + set(${name_upper}_SOURCE_DIR ${${name_lower}_SOURCE_DIR}) + set(${name_upper}_BINARY_DIR ${${name_lower}_BINARY_DIR}) + endif() +endmacro() + +if(MZ_LIBCOMP) + if(APPLE) + # Use Apple libcompression + list(APPEND MINIZIP_DEF -DHAVE_LIBCOMP) + list(APPEND MINIZIP_SRC mz_strm_libcomp.c) + list(APPEND MINIZIP_HDR mz_strm_libcomp.h) + list(APPEND MINIZIP_LIB compression) + + # Disable zlib as libcompression is preferred + set(MZ_ZLIB OFF) + else() + message(STATUS "LibCompression not supported on the current platform") + + set(MZ_LIBCOMP OFF) + endif() +endif() + +if(MZ_ZLIB) + # Check if zlib is present + if(NOT MZ_FORCE_FETCH_LIBS) + find_package(ZLIB QUIET) + set(ZLIB_VERSION ${ZLIB_VERSION_STRING}) + endif() + + if(ZLIB_FOUND AND NOT MZ_FORCE_FETCH_LIBS) + message(STATUS "Using ZLIB ${ZLIB_VERSION}") + + list(APPEND MINIZIP_INC ${ZLIB_INCLUDE_DIRS}) + list(APPEND MINIZIP_LIB ${ZLIB_LIBRARIES}) + list(APPEND MINIZIP_LBD ${ZLIB_LIBRARY_DIRS}) + + set(PC_PRIVATE_LIBS " -lz") + elseif(MZ_FETCH_LIBS) + clone_repo(zlib https://github.com/madler/zlib) + + # Don't automatically add all targets to the solution + add_subdirectory(${ZLIB_SOURCE_DIR} ${ZLIB_BINARY_DIR} EXCLUDE_FROM_ALL) + + list(APPEND MINIZIP_INC ${ZLIB_SOURCE_DIR}) + list(APPEND MINIZIP_INC ${ZLIB_BINARY_DIR}) + + # Have to add zlib to install targets + if(NOT DEFINED BUILD_SHARED_LIBS OR NOT ${BUILD_SHARED_LIBS}) + list(APPEND MINIZIP_DEP zlibstatic) + else() + list(APPEND MINIZIP_DEP zlib) + endif() + else() + message(STATUS "ZLIB library not found") + + set(MZ_ZLIB OFF) + endif() + + if(MZ_ZLIB) + list(APPEND MINIZIP_DEP_PKG ZLIB) + list(APPEND MINIZIP_DEF -DHAVE_ZLIB) + if(ZLIB_COMPAT) + list(APPEND MINIZIP_DEF -DZLIB_COMPAT) + endif() + list(APPEND MINIZIP_SRC mz_strm_zlib.c) + list(APPEND MINIZIP_HDR mz_strm_zlib.h) + endif() +endif() + +if(MZ_BZIP2) + # Check if bzip2 is present + if(NOT MZ_FORCE_FETCH_LIBS) + find_package(BZip2 QUIET) + endif() + + if(BZIP2_FOUND AND NOT MZ_FORCE_FETCH_LIBS) + message(STATUS "Using BZIP2 ${BZIP2_VERSION_STRING}") + + list(APPEND MINIZIP_INC ${BZIP2_INCLUDE_DIRS}) + list(APPEND MINIZIP_LIB ${BZIP2_LIBRARIES}) + list(APPEND MINIZIP_LBD ${BZIP2_LIBRARY_DIRS}) + + set(PC_PRIVATE_LIBS "${PC_PRIVATE_LIBS} -lbzip2") + elseif(MZ_FETCH_LIBS) + clone_repo(bzip2 https://sourceware.org/git/bzip2.git) + + # BZip2 repository does not support cmake so we have to create + # the bzip2 library ourselves + set(BZIP2_SRC + ${BZIP2_SOURCE_DIR}/blocksort.c + ${BZIP2_SOURCE_DIR}/bzlib.c + ${BZIP2_SOURCE_DIR}/compress.c + ${BZIP2_SOURCE_DIR}/crctable.c + ${BZIP2_SOURCE_DIR}/decompress.c + ${BZIP2_SOURCE_DIR}/huffman.c + ${BZIP2_SOURCE_DIR}/randtable.c) + + set(BZIP2_HDR + ${BZIP2_SOURCE_DIR}/bzlib.h + ${BZIP2_SOURCE_DIR}/bzlib_private.h) + + add_library(bzip2 STATIC ${BZIP2_SRC} ${BZIP2_HDR}) + + target_compile_definitions(bzip2 PRIVATE -DBZ_NO_STDIO) + + list(APPEND MINIZIP_DEP bzip2) + list(APPEND MINIZIP_INC ${BZIP2_SOURCE_DIR}) + else() + message(STATUS "BZip2 library not found") + + set(MZ_BZIP2 OFF) + endif() + + if(MZ_BZIP2) + list(APPEND MINIZIP_DEP_PKG BZip2) + list(APPEND MINIZIP_DEF -DHAVE_BZIP2) + list(APPEND MINIZIP_SRC mz_strm_bzip.c) + list(APPEND MINIZIP_HDR mz_strm_bzip.h) + endif() +endif() + +if(MZ_LZMA) + # Check if liblzma is present + if(NOT MZ_FORCE_FETCH_LIBS) + find_package(PkgConfig QUIET) + if(PKGCONFIG_FOUND) + pkg_check_modules(LIBLZMA liblzma) + endif() + if(NOT LIBLZMA_FOUND) + find_package(LibLZMA QUIET) + set(LIBLZMA_VERSION ${LIBLZMA_VERSION_STRING}) + endif() + endif() + + if(LIBLZMA_FOUND AND NOT MZ_FORCE_FETCH_LIBS) + message(STATUS "Using LZMA ${LIBLZMA_VERSION}") + + list(APPEND MINIZIP_INC ${LIBLZMA_INCLUDE_DIRS}) + list(APPEND MINIZIP_LIB ${LIBLZMA_LIBRARIES}) + + set(PC_PRIVATE_LIBS "${PC_PRIVATE_LIBS} -lliblzma") + elseif(MZ_FETCH_LIBS) + clone_repo(liblzma https://git.tukaani.org/xz.git) + + # Don't automatically add all targets to the solution + add_subdirectory(${LIBLZMA_SOURCE_DIR} ${LIBLZMA_BINARY_DIR} EXCLUDE_FROM_ALL) + + list(APPEND MINIZIP_INC ${LIBLZMA_SOURCE_DIR}/src/liblzma/api) + list(APPEND MINIZIP_DEP liblzma) + list(APPEND MINIZIP_LIB ${LIBLZMA_TARGET}) + else() + message(STATUS "LibLZMA library not found") + + set(MZ_LZMA OFF) + endif() + + if(MZ_LZMA) + list(APPEND MINIZIP_DEP_PKG LibLZMA) + list(APPEND MINIZIP_DEF -DHAVE_LZMA -DLZMA_API_STATIC) + list(APPEND MINIZIP_SRC mz_strm_lzma.c) + list(APPEND MINIZIP_HDR mz_strm_lzma.h) + endif() +endif() + +if(MZ_ZSTD) + # Check if zstd is present + if(NOT MZ_FORCE_FETCH_LIBS) + find_package(PkgConfig QUIET) + if(PKGCONFIG_FOUND) + pkg_check_modules(ZSTD libzstd) + endif() + if(NOT ZSTD_FOUND) + find_package(ZSTD QUIET) + if(ZSTD_FOUND) + if(TARGET zstd::libzstd_static) + list(APPEND ZSTD_LIBRARIES zstd::libzstd_static) + else() + list(APPEND ZSTD_LIBRARIES zstd::libzstd_shared) + endif() + endif() + endif() + endif() + + if(ZSTD_FOUND AND NOT MZ_FORCE_FETCH_LIBS) + message(STATUS "Using ZSTD ${ZSTD_VERSION}") + + list(APPEND MINIZIP_INC ${ZSTD_INCLUDE_DIRS}) + list(APPEND MINIZIP_LIB ${ZSTD_LIBRARIES}) + list(APPEND MINIZIP_LBD ${ZSTD_LIBRARY_DIRS}) + + set(PC_PRIVATE_LIBS "${PC_PRIVATE_LIBS} -lzstd") + elseif(MZ_FETCH_LIBS) + clone_repo(zstd https://github.com/facebook/zstd) + + # Don't automatically add all targets to the solution + add_subdirectory(${ZSTD_SOURCE_DIR}/build/cmake ${ZSTD_BINARY_DIR} EXCLUDE_FROM_ALL) + + list(APPEND MINIZIP_INC ${ZSTD_SOURCE_DIR}/lib) + if(NOT DEFINED BUILD_SHARED_LIBS OR NOT ${BUILD_SHARED_LIBS}) + list(APPEND MINIZIP_DEP libzstd_static) + else() + list(APPEND MINIZIP_DEP libzstd_shared) + endif() + else() + message(STATUS "ZSTD library not found") + + set(MZ_ZSTD OFF) + endif() + + if(MZ_ZSTD) + list(APPEND MINIZIP_DEP_PKG zstd) + list(APPEND MINIZIP_DEF -DHAVE_ZSTD) + list(APPEND MINIZIP_SRC mz_strm_zstd.c) + list(APPEND MINIZIP_HDR mz_strm_zstd.h) + endif() +endif() + +if(NOT MZ_LIBCOMP AND NOT MZ_ZLIB AND NOT MZ_ZSTD AND NOT MZ_BZIP2 AND NOT MZ_LZMA) + message(STATUS "Compression not supported due to missing libraries") + + list(APPEND MINIZIP_DEF -DMZ_ZIP_NO_DECOMPRESSION) + list(APPEND MINIZIP_DEF -DMZ_ZIP_NO_COMPRESSION) +endif() + +if(MZ_OPENSSL) + # Check to see if openssl installation is present + find_package(PkgConfig) + if(PKGCONFIG_FOUND) + pkg_check_modules(OPENSSL openssl) + endif() + if(NOT OPENSSL_FOUND) + find_package(OpenSSL) + endif() + + if(OPENSSL_FOUND) + message(STATUS "Using OpenSSL ${OPENSSL_VERSION}") + + list(APPEND MINIZIP_SRC mz_crypt_openssl.c) + list(APPEND MINIZIP_LIB ${OPENSSL_LIBRARIES}) + list(APPEND MINIZIP_LBD ${OPENSSL_LIBRARY_DIRS}) + list(APPEND MINIZIP_INC ${OPENSSL_INCLUDE_DIR}) + + if(OPENSSL_INCLUDE_DIRS) + list(APPEND MINIZIP_INC ${OPENSSL_INCLUDE_DIRS}) + endif() + else() + message(STATUS "OpenSSL library not found") + + set(MZ_OPENSSL OFF) + endif() +endif() + +# Windows specific +if(WIN32) + list(APPEND MINIZIP_DEF -D_CRT_SECURE_NO_DEPRECATE) + list(APPEND MINIZIP_SRC mz_os_win32.c mz_strm_os_win32.c) + + if(MZ_PKCRYPT OR MZ_WZAES OR MZ_SIGNING) + if(MZ_OPENSSL) + list(APPEND MINIZIP_DEP_PKG OpenSSL) + else() + message(STATUS "Using CryptoAPI") + + list(APPEND MINIZIP_SRC mz_crypt_win32.c) + list(APPEND MINIZIP_LIB crypt32.lib) + endif() + else() + list(APPEND MINIZIP_DEF -DMZ_ZIP_NO_CRYPTO) + endif() +endif() +if(CMAKE_SYSTEM_NAME STREQUAL "WindowsStore") + list(APPEND MINIZIP_DEF -DMZ_WINRT_API) +endif() + +# Unix specific +if(UNIX) + list(APPEND STDLIB_DEF -D_POSIX_C_SOURCE=200112L) + list(APPEND MINIZIP_SRC mz_os_posix.c mz_strm_os_posix.c) + + if(MZ_PKCRYPT OR MZ_WZAES OR MZ_SIGNING) + if(MZ_OPENSSL) + list(APPEND MINIZIP_DEP_PKG OpenSSL) + else() + if(APPLE) + message(STATUS "Using CoreFoundation Framework") + find_library(COREFOUNDATION_LIBRARY CoreFoundation) + + list(APPEND MINIZIP_LIB ${COREFOUNDATION_LIBRARY}) + + message(STATUS "Using Security Framework") + find_library(SECURITY_LIBRARY Security) + + list(APPEND MINIZIP_LIB ${SECURITY_LIBRARY}) + list(APPEND MINIZIP_LFG "-Wl,-F/Library/Frameworks") + + check_include_file(CommonCrypto/CommonCrypto.h COMMONCRYPTO_FOUND) + if(COMMONCRYPTO_FOUND) + message(STATUS "Using CommonCrypto") + + list(APPEND MINIZIP_SRC mz_crypt_apple.c) + + set(MZ_LIBBSD OFF) + else() + message(STATUS "CommonCrypto library not found") + + list(APPEND MINIZIP_DEF -DMZ_ZIP_NO_CRYPTO) + + if(MZ_WZAES) + message(STATUS "WinZIP AES support requires CommonCrypto or OpenSSL") + + set(MZ_WZAES OFF) + endif() + if(MZ_SIGNING) + message(STATUS "Signing support requires CommonCrypto or OpenSSL") + + set(MZ_SIGNING OFF) + endif() + endif() + else() + list(APPEND MINIZIP_DEF -DMZ_ZIP_NO_CRYPTO) + + if(MZ_WZAES) + message(STATUS "WinZIP AES support requires OpenSSL") + + set(MZ_WZAES OFF) + endif() + if(MZ_SIGNING) + message(STATUS "Signing support requires OpenSSL") + + set(MZ_SIGNING OFF) + endif() + endif() + + if(MZ_PKCRYPT AND NOT MZ_WZAES) + # Check to see which random generation functions we have + check_symbol_exists("getrandom" "sys/random.h" HAVE_GETRANDOM) + if(HAVE_GETRANDOM) + list(APPEND MINIZIP_DEF -DHAVE_GETRANDOM) + endif() + check_symbol_exists("arc4random_buf" "stdlib.h" HAVE_ARC4RANDOM_BUF) + if(HAVE_ARC4RANDOM_BUF) + list(APPEND MINIZIP_DEF -DHAVE_ARC4RANDOM_BUF) + else() + check_symbol_exists("arc4random" "stdlib.h" HAVE_ARC4RANDOM) + if(HAVE_ARC4RANDOM) + list(APPEND MINIZIP_DEF -DHAVE_ARC4RANDOM) + endif() + endif() + + if(APPLE) + # Requires _DARWIN_C_SOURCE for arcrandom functions + list(APPEND MINIZIP_DEF -D_DARWIN_C_SOURCE) + endif() + + if(MZ_LIBBSD AND NOT HAVE_ARC4RANDOM_BUF) + find_package(PkgConfig REQUIRED) + + pkg_check_modules(LIBBSD libbsd) + if(LIBBSD_FOUND) + check_library_exists("${LIBBSD_LIBRARIES}" "arc4random_buf" + "${LIBBSD_LIBRARY_DIRS}" HAVE_LIBBSD_ARC4RANDOM_BUF) + + if(HAVE_LIBBSD_ARC4RANDOM_BUF) + list(APPEND MINIZIP_DEF -DHAVE_LIBBSD -DHAVE_ARC4RANDOM_BUF) + list(APPEND MINIZIP_INC ${LIBBSD_INCLUDE_DIRS}) + list(APPEND MINIZIP_LIB ${LIBBSD_LIBRARIES}) + list(APPEND MINIZIP_LBD ${LIBBSD_LIBRARY_DIRS}) + + link_directories(${LIBBSD_LIBRARY_DIRS}) + endif() + else() + set(MZ_LIBBSD OFF) + endif() + else() + set(MZ_LIBBSD OFF) + endif() + + if(NOT MZ_LIBBSD AND NOT HAVE_GETRANDOM AND NOT HAVE_ARC4RANDOM_BUF AND NOT HAVE_ARC4RANDOM) + message(WARNING "Low quality entropy function used for encryption") + endif() + endif() + endif() + else() + list(APPEND MINIZIP_DEF -DMZ_ZIP_NO_CRYPTO) + endif() + + # Iconv is only necessary when it is not already built-in + # FindIconv requires cmake 3.11 or higher + if (MZ_ICONV) + find_package(Iconv QUIET) + endif() + + if(Iconv_FOUND) + message(STATUS "Using Iconv") + + list(APPEND MINIZIP_DEF -DHAVE_ICONV) + list(APPEND MINIZIP_INC ${Iconv_INCLUDE_DIRS}) + list(APPEND MINIZIP_DEP_PKG Iconv) + if(NOT Iconv_IS_BUILT_IN) + list(APPEND MINIZIP_LIB ${Iconv_LIBRARIES}) + list(APPEND MINIZIP_LBD ${Iconv_LIBRARY_DIRS}) + endif() + + set(PC_PRIVATE_LIBS "${PC_PRIVATE_LIBS} -liconv") + else() + message(STATUS "Character encoding support requires iconv") + + set(MZ_ICONV OFF) + endif() +else() + set(MZ_LIBBSD OFF) + set(MZ_ICONV OFF) +endif() + +# Setup predefined macros +if(MZ_COMPRESS_ONLY) + list(APPEND MINIZIP_DEF -DMZ_ZIP_NO_DECOMPRESSION) +endif() +if(MZ_DECOMPRESS_ONLY) + list(APPEND MINIZIP_DEF -DMZ_ZIP_NO_COMPRESSION) +endif() +if(NOT MZ_PKCRYPT AND NOT MZ_WZAES) + list(APPEND MINIZIP_DEF -DMZ_ZIP_NO_ENCRYPTION) +endif() +if(MZ_SIGNING) + list(APPEND MINIZIP_DEF -DMZ_ZIP_SIGNING) +endif() +if(MZ_FILE32_API) + list(APPEND MINIZIP_DEF -DMZ_FILE32_API) +endif() + +# Include traditional PKWare encryption +if(MZ_PKCRYPT) + list(APPEND MINIZIP_DEF -DHAVE_PKCRYPT) + list(APPEND MINIZIP_SRC mz_strm_pkcrypt.c) + list(APPEND MINIZIP_HDR mz_strm_pkcrypt.h) +endif() + +# Include WinZIP AES encryption +if(MZ_WZAES) + list(APPEND MINIZIP_DEF -DHAVE_WZAES) + list(APPEND MINIZIP_SRC mz_strm_wzaes.c) + list(APPEND MINIZIP_HDR mz_strm_wzaes.h) +endif() + +# Include compatibility layer +if(MZ_COMPAT) + set(COMPAT_HEADER "\ +/* file.h -- Compatibility layer shim\n\ + part of the minizip-ng project\n\n\ + This program is distributed under the terms of the same license as zlib.\n\ + See the accompanying LICENSE file for the full text of the license.\n\ +*/\n\n\ +#ifndef MZ_COMPAT_FILE\n\ +#define MZ_COMPAT_FILE\n\n\ +#include \"mz_compat.h\"\n\n\ +#endif\n") + + string(REPLACE "file.h" "zip.h" ZIP_COMPAT_HEADER ${COMPAT_HEADER}) + string(REPLACE "MZ_COMPAT_FILE" "MZ_COMPAT_ZIP" ZIP_COMPAT_HEADER ${ZIP_COMPAT_HEADER}) + file(WRITE "zip.h" ${ZIP_COMPAT_HEADER}) + + string(REPLACE "file.h" "unzip.h" UNZIP_COMPAT_HEADER ${COMPAT_HEADER}) + string(REPLACE "MZ_COMPAT_FILE" "MZ_COMPAT_UNZIP" UNZIP_COMPAT_HEADER ${UNZIP_COMPAT_HEADER}) + file(WRITE "unzip.h" ${UNZIP_COMPAT_HEADER}) + + if(MZ_COMPAT_VERSION) + list(APPEND MINIZIP_DEF -DMZ_COMPAT_VERSION=${MZ_COMPAT_VERSION}) + endif() + list(APPEND MINIZIP_SRC mz_compat.c) + list(APPEND MINIZIP_HDR mz_compat.h zip.h unzip.h) +endif() + +# Set compiler options +if(MZ_CODE_COVERAGE) + if(NOT MSVC) + message(STATUS "Code coverage enabled") + add_compile_options(-O0 -g -fprofile-arcs -ftest-coverage) + if(CMAKE_C_COMPILER_ID MATCHES "(Apple)?[Cc]lang") + set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} --coverage") + elseif(CMAKE_C_COMPILER_ID MATCHES "GNU") + link_libraries(gcov) + endif() + set_property(DIRECTORY PROPERTY + GCC_INSTRUMENT_PROGRAM_FLOW_ARCS YES + GCC_GENERATE_TEST_COVERAGE_FILES YES) + else() + set(MZ_CODE_COVERAGE OFF) + endif() +else() + if(MSVC) + add_compile_options( + $<$<CONFIG:Debug>:/Zi> + $<$<CONFIG:Debug>:/Od> + $<$<CONFIG:Debug>:/W3> + $<$<CONFIG:Release>:/Ox> + $<$<CONFIG:Release>:/Os>) + else() + add_compile_options( + $<$<CONFIG:Debug>:-g> + $<$<CONFIG:Debug>:-Wall> + $<$<CONFIG:Release>:-Os>) + endif() +endif() + +list(APPEND MINIZIP_INC ${CMAKE_CURRENT_SOURCE_DIR}) + +# Create minizip library +project(minizip${MZ_PROJECT_SUFFIX} VERSION ${VERSION}) + +if(NOT ${MZ_PROJECT_SUFFIX} STREQUAL "") + message(STATUS "Project configured as ${PROJECT_NAME}") +endif() + +set(MINIZIP_PC ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}.pc) +configure_file(minizip.pc.cmakein ${MINIZIP_PC} @ONLY) + +set(INSTALL_CMAKE_DIR "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}" + CACHE PATH "Installation directory for cmake files.") +set(INSTALL_PKGCONFIG_DIR "${CMAKE_INSTALL_LIBDIR}/pkgconfig" + CACHE PATH "Installation directory for pkgconfig (.pc) files") + +add_library(${PROJECT_NAME} ${MINIZIP_SRC} ${MINIZIP_HDR}) + +set_target_properties(${PROJECT_NAME} PROPERTIES + VERSION ${VERSION} + SOVERSION ${SOVERSION} + LINKER_LANGUAGE C + DEFINE_SYMBOL "MZ_EXPORTS") + +if(MINIZIP_LFG) + set_target_properties(${PROJECT_NAME} PROPERTIES LINK_FLAGS ${MINIZIP_LFG}) +endif() +if(MSVC) + # VS debugger has problems when executable and static library are named the same + set_target_properties(${PROJECT_NAME} PROPERTIES OUTPUT_NAME lib${PROJECT_NAME}) +endif() +if(NOT RISCOS) + set_target_properties(${PROJECT_NAME} PROPERTIES POSITION_INDEPENDENT_CODE 1) +endif() +if(MZ_LZMA) + set_target_properties(${PROJECT_NAME} PROPERTIES C_STANDARD 99) +endif() + +target_link_libraries(${PROJECT_NAME} PUBLIC ${MINIZIP_LIB} ${MINIZIP_DEP}) +target_link_directories(${PROJECT_NAME} PUBLIC ${MINIZIP_LBD}) +target_compile_definitions(${PROJECT_NAME} PRIVATE ${STDLIB_DEF} ${MINIZIP_DEF}) +target_include_directories(${PROJECT_NAME} PRIVATE ${MINIZIP_INC}) +target_include_directories(${PROJECT_NAME} PUBLIC + $<INSTALL_INTERFACE:${INSTALL_INC_DIR}> + $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>) + +# Create minizip alias +add_library(MINIZIP::${PROJECT_NAME} ALIAS ${PROJECT_NAME}) + +# Install files +if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL) + install(TARGETS ${PROJECT_NAME} ${MINIZIP_DEP} + EXPORT ${PROJECT_NAME} + INCLUDES DESTINATION "${INSTALL_INC_DIR}" + RUNTIME DESTINATION "${INSTALL_BIN_DIR}" + ARCHIVE DESTINATION "${INSTALL_LIB_DIR}" + LIBRARY DESTINATION "${INSTALL_LIB_DIR}") + install(EXPORT ${PROJECT_NAME} + DESTINATION "${INSTALL_CMAKE_DIR}" + NAMESPACE "MINIZIP::") + + # Create and install CMake package config version file to allow find_package() + include(CMakePackageConfigHelpers) + write_basic_package_version_file(${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config-version.cmake + COMPATIBILITY SameMajorVersion) + set(MINIZIP_CONFIG_CONTENT "@PACKAGE_INIT@\n") + if(MINIZIP_DEP_PKG) + string(APPEND MINIZIP_CONFIG_CONTENT "include(CMakeFindDependencyMacro)\n") + foreach(PKG_NAME ${MINIZIP_DEP_PKG}) + string(APPEND MINIZIP_CONFIG_CONTENT "find_dependency(${PKG_NAME} REQUIRED)\n") + endforeach() + endif() + string(APPEND MINIZIP_CONFIG_CONTENT "include(\"\${CMAKE_CURRENT_LIST_DIR}/${PROJECT_NAME}.cmake\")") + file(WRITE minizip-config.cmake.in ${MINIZIP_CONFIG_CONTENT}) + + # Create config for find_package() + configure_package_config_file(minizip-config.cmake.in ${PROJECT_NAME}-config.cmake + INSTALL_DESTINATION "${INSTALL_CMAKE_DIR}") + + file(REMOVE minizip-config.cmake.in) + + install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config-version.cmake + ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config.cmake + DESTINATION "${INSTALL_CMAKE_DIR}") +endif() +if(NOT SKIP_INSTALL_HDR AND NOT SKIP_INSTALL_ALL) + install(FILES ${MINIZIP_HDR} DESTINATION "${INSTALL_INC_DIR}") +endif() +if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL) + install(FILES ${MINIZIP_PC} DESTINATION "${INSTALL_PKGCONFIG_DIR}") +endif() + +# Build test executables +if(MZ_BUILD_TESTS) + if(MZ_ZLIB AND NOT MZ_LIBCOMP) + add_executable(minigzip_cmd minigzip.c) + set_target_properties(minigzip_cmd PROPERTIES OUTPUT_NAME minigzip) + target_compile_definitions(minigzip_cmd PRIVATE ${STDLIB_DEF} ${MINIZIP_DEF}) + target_include_directories(minigzip_cmd PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}) + target_link_libraries(minigzip_cmd ${PROJECT_NAME}) + + if(NOT SKIP_INSTALL_BINARIES AND NOT SKIP_INSTALL_ALL) + install(TARGETS minigzip_cmd RUNTIME DESTINATION "bin") + endif() + endif() + + add_executable(minizip_cmd minizip.c) + set_target_properties(minizip_cmd PROPERTIES OUTPUT_NAME ${PROJECT_NAME}) + target_compile_definitions(minizip_cmd PRIVATE ${STDLIB_DEF} ${MINIZIP_DEF}) + target_include_directories(minizip_cmd PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}) + target_link_libraries(minizip_cmd ${PROJECT_NAME}) + + if(NOT SKIP_INSTALL_BINARIES AND NOT SKIP_INSTALL_ALL) + install(TARGETS minizip_cmd RUNTIME DESTINATION "bin") + endif() + + add_executable(test_cmd test/test.c test/test.h) + target_compile_definitions(test_cmd PRIVATE ${STDLIB_DEF} ${MINIZIP_DEF}) + if(MZ_COMPAT) + target_compile_definitions(test_cmd PRIVATE -DHAVE_COMPAT) + endif() + target_include_directories(test_cmd PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}) + target_link_libraries(test_cmd ${PROJECT_NAME}) +endif() + +if(MZ_BUILD_TESTS AND MZ_BUILD_UNIT_TESTS) + enable_testing() + + # Can't disable zlib testing so ctest tries to run zlib example app + if(MZ_ZLIB AND NOT MZ_LIBCOMP AND NOT ZLIB_FOUND) + add_dependencies(${PROJECT_NAME} example) + if(HAVE_OFF64_T) + add_dependencies(${PROJECT_NAME} example64) + endif() + endif() + + add_test(NAME test_cmd COMMAND test_cmd WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}) + + function(create_compress_tests EXTRA_NAME EXTRA_ARGS) + if(MZ_DECOMPRESS_ONLY) + return() + endif() + list(FIND EXTRA_ARGS "-z" ZIPCD_IDX) + if(${ZIPCD_IDX} EQUAL -1) + set(COMPRESS_METHOD_NAMES "raw") + set(COMPRESS_METHOD_ARGS "-0") + endif() + if(MZ_ZLIB OR MZ_LIBCOMP) + list(APPEND COMPRESS_METHOD_NAMES "deflate") + list(APPEND COMPRESS_METHOD_ARGS "-9") + endif() + if(MZ_BZIP2) + list(APPEND COMPRESS_METHOD_NAMES "bzip2") + list(APPEND COMPRESS_METHOD_ARGS "-b") + endif() + if(MZ_LZMA) + list(APPEND COMPRESS_METHOD_NAMES "lzma") + list(APPEND COMPRESS_METHOD_ARGS "-m") + endif() + if(MZ_LZMA OR MZ_LIBCOMP) + list(APPEND COMPRESS_METHOD_NAMES "xz") + list(APPEND COMPRESS_METHOD_ARGS "-n") + endif() + if(MZ_ZSTD) + list(APPEND COMPRESS_METHOD_NAMES "zstd") + list(APPEND COMPRESS_METHOD_ARGS "-t") + endif() + list(LENGTH COMPRESS_METHOD_NAMES COMPRESS_METHOD_COUNT) + math(EXPR COMPRESS_METHOD_COUNT "${COMPRESS_METHOD_COUNT}-1") + foreach(INDEX RANGE ${COMPRESS_METHOD_COUNT}) + list(GET COMPRESS_METHOD_NAMES ${INDEX} COMPRESS_METHOD_NAME) + list(GET COMPRESS_METHOD_ARGS ${INDEX} COMPRESS_METHOD_ARG) + add_test(NAME ${COMPRESS_METHOD_NAME}-zip-${EXTRA_NAME} + COMMAND minizip_cmd ${COMPRESS_METHOD_ARG} -o ${EXTRA_ARGS} + result.zip test.c test.h empty.txt random.bin uniform.bin fuzz + WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/test) + add_test(NAME ${COMPRESS_METHOD_NAME}-list-${EXTRA_NAME} + COMMAND minizip_cmd -l ${EXTRA_ARGS} result.zip + WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/test) + if(NOT MZ_COMPRESS_ONLY) + add_test(NAME ${COMPRESS_METHOD_NAME}-unzip-${EXTRA_NAME} + COMMAND minizip_cmd -x -o ${EXTRA_ARGS} -d out result.zip + WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/test) + endif() + add_test(NAME ${COMPRESS_METHOD_NAME}-append-${EXTRA_NAME} + COMMAND minizip_cmd ${COMPRESS_METHOD_ARG} -a ${EXTRA_ARGS} + result.zip single.txt + WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/test) + if(NOT MZ_COMPRESS_ONLY) + add_test(NAME ${COMPRESS_METHOD_NAME}-append-unzip-${EXTRA_NAME} + COMMAND minizip_cmd -x -o ${EXTRA_ARGS} -d out result.zip + WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/test) + endif() + add_test(NAME ${COMPRESS_METHOD_NAME}-erase-${EXTRA_NAME} + COMMAND minizip_cmd -o -e result.zip test.c test.h + WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/test) + if(NOT MZ_COMPRESS_ONLY) + add_test(NAME ${COMPRESS_METHOD_NAME}-erase-unzip-${EXTRA_NAME} + COMMAND minizip_cmd -x -o ${EXTRA_ARGS} -d out result.zip + WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/test) + endif() + endforeach() + endfunction() + + # Perform tests against ourself + create_compress_tests("generic" "") + create_compress_tests("span" "-k;1024") + create_compress_tests("zipcd" "-z") + if(MZ_PKCRYPT) + create_compress_tests("pkcrypt" "-p;test123") + endif() + if(MZ_WZAES) + create_compress_tests("wzaes" "-s;-p;test123") + endif() + if(MZ_SIGNING) + create_compress_tests("signed" "-h;test.p12;-w;test") + create_compress_tests("secure" "-z;-h;test.p12;-w;test") + endif() + + # Perform tests on others + if(NOT MZ_COMPRESS_ONLY) + if(MZ_ZLIB OR MZ_LIBCOMP) + add_test(NAME unzip-tiny + COMMAND minizip_cmd -x -o ${EXTRA_ARGS} -d out + fuzz/unzip_fuzzer_seed_corpus/tiny.zip + WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/test) + endif() + if(MZ_BZIP2) + add_test(NAME unzip-bzip2 + COMMAND minizip_cmd -x -o ${EXTRA_ARGS} -d out + fuzz/unzip_fuzzer_seed_corpus/bzip2.zip + WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/test) + endif() + if(MZ_LZMA) + add_test(NAME unzip-lzma + COMMAND minizip_cmd -x -o ${EXTRA_ARGS} -d out + fuzz/unzip_fuzzer_seed_corpus/lzma.zip + WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/test) + endif() + if(MZ_PKCRYPT) + add_test(NAME unzip-pkcrypt + COMMAND minizip_cmd -x -o ${EXTRA_ARGS} -d out -p test123 + fuzz/unzip_fuzzer_seed_corpus/encrypted_pkcrypt.zip + WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/test) + endif() + if(MZ_WZAES) + add_test(NAME unzip-wzaes + COMMAND minizip_cmd -x -o ${EXTRA_ARGS} -d out -p test123 + fuzz/unzip_fuzzer_seed_corpus/encrypted_wzaes.zip + WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/test) + endif() + endif() + if(NOT MZ_COMPRESS_ONLY AND NOT MZ_DECOMPRESS_ONLY) + if(MZ_ZLIB AND NOT MZ_LIBCOMP) + add_test(NAME gz + COMMAND minigzip_cmd random.bin + WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/test) + add_test(NAME ungz + COMMAND minigzip_cmd -x -d out random.bin.gz + WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/test) + endif() + endif() +endif() + +#Build fuzzer executables +if(MZ_BUILD_FUZZ_TESTS) + if(CMAKE_C_COMPILER_ID MATCHES "Clang") + enable_language(CXX) + + if(DEFINED ENV{LIB_FUZZING_ENGINE}) + set(FUZZING_ENGINE $ENV{LIB_FUZZING_ENGINE}) + set(FUZZING_ENGINE_FOUND TRUE) + else() + find_library(FUZZING_ENGINE "FuzzingEngine") + endif() + endif() + + if(NOT FUZZING_ENGINE_FOUND) + set(FUZZER_SRC "test/fuzz/standalone.c") + else() + set(FUZZER_SRC) + endif() + + macro(configure_fuzz_test target) + add_executable(${target} "test/fuzz/${target}.c" ${FUZZER_SRC}) + set_target_properties(${target} PROPERTIES LINKER_LANGUAGE CXX) + target_compile_definitions(${target} PRIVATE ${STDLIB_DEF}) + target_include_directories(${target} PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}) + target_link_libraries(${target} ${PROJECT_NAME}) + + add_dependencies(${target} ${PROJECT_NAME}) + if(FUZZING_ENGINE_FOUND) + target_link_libraries(${target} ${FUZZING_ENGINE}) + endif() + endmacro() + + configure_fuzz_test(zip_fuzzer) + configure_fuzz_test(unzip_fuzzer) + + if(NOT SKIP_INSTALL_BINARIES AND NOT SKIP_INSTALL_ALL) + install(TARGETS zip_fuzzer RUNTIME DESTINATION "bin") + install(TARGETS unzip_fuzzer RUNTIME DESTINATION "bin") + endif() +endif() + +# Compatibility options +add_feature_info(MZ_COMPAT MZ_COMPAT "Enables compatibility layer") +# Compression library options +add_feature_info(MZ_ZLIB MZ_ZLIB "Enables ZLIB compression") +add_feature_info(MZ_BZIP2 MZ_BZIP2 "Enables BZIP2 compression") +add_feature_info(MZ_LZMA MZ_LZMA "Enables LZMA & XZ compression") +add_feature_info(MZ_ZSTD MZ_ZSTD "Enables ZSTD compression") +add_feature_info(MZ_LIBCOMP MZ_LIBCOMP "Enables Apple compression") +add_feature_info(MZ_FETCH_LIBS MZ_FETCH_LIBS "Enables fetching third-party libraries if not found") +add_feature_info(MZ_FORCE_FETCH_LIBS MZ_FORCE_FETCH_LIBS "Enables fetching third-party libraries always") +# Encryption support options +add_feature_info(MZ_PKCRYPT MZ_PKCRYPT "Enables PKWARE traditional encryption") +add_feature_info(MZ_WZAES MZ_WZAES "Enables WinZIP AES encryption") +add_feature_info(MZ_OPENSSL MZ_OPENSSL "Enables OpenSSL for encryption") +add_feature_info(MZ_LIBBSD MZ_LIBBSD "Build with libbsd for crypto random") +add_feature_info(MZ_SIGNING MZ_SIGNING "Enables zip signing support") +# Character conversion options +add_feature_info(MZ_ICONV MZ_ICONV "Enables iconv string encoding conversion library") +# Code generation options +add_feature_info(MZ_COMPRESS_ONLY MZ_COMPRESS_ONLY "Only support compression") +add_feature_info(MZ_DECOMPRESS_ONLY MZ_DECOMPRESS_ONLY "Only support decompression") +add_feature_info(MZ_FILE32_API MZ_FILE32_API "Builds using posix 32-bit file api") +# Build and continuous integration options +add_feature_info(MZ_BUILD_TESTS MZ_BUILD_TESTS "Builds minizip test executable") +add_feature_info(MZ_BUILD_UNIT_TESTS MZ_BUILD_UNIT_TESTS "Builds minizip unit test project") +add_feature_info(MZ_BUILD_FUZZ_TESTS MZ_BUILD_FUZZ_TESTS "Builds minizip fuzzer executables") +add_feature_info(MZ_CODE_COVERAGE MZ_CODE_COVERAGE "Builds with code coverage flags") + +feature_summary(WHAT ENABLED_FEATURES DISABLED_FEATURES INCLUDE_QUIET_PACKAGES) diff --git a/Externals/minizip/LICENSE b/Externals/minizip/LICENSE index 086295a2b2..3b6c4e142e 100644 --- a/Externals/minizip/LICENSE +++ b/Externals/minizip/LICENSE @@ -14,4 +14,4 @@ freely, subject to the following restrictions: appreciated but is not required. 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. -3. This notice may not be removed or altered from any source distribution.
\ No newline at end of file +3. This notice may not be removed or altered from any source distribution. diff --git a/Externals/minizip/README b/Externals/minizip/README index 8d311e116d..4b929d1504 100644 --- a/Externals/minizip/README +++ b/Externals/minizip/README @@ -1,2 +1,3 @@ -Partial import from https://github.com/nmoinvaz/minizip -Revision: b3713abe7722f1b779e7cdbd527c6208abbe1121 +minizip-ng, Version 3.0.4 (2021-11-29) +https://github.com/zlib-ng/minizip-ng +Revision: 95987e98b4862c055b8cf91d6e7ce5f9153ddc24 diff --git a/Externals/minizip/ioapi.c b/Externals/minizip/ioapi.c deleted file mode 100644 index bba26334dc..0000000000 --- a/Externals/minizip/ioapi.c +++ /dev/null @@ -1,351 +0,0 @@ -/* ioapi.c -- IO base function header for compress/uncompress .zip - part of the MiniZip project - - Copyright (C) 1998-2010 Gilles Vollant - http://www.winimage.com/zLibDll/minizip.html - Modifications for Zip64 support - Copyright (C) 2009-2010 Mathias Svensson - http://result42.com - - This program is distributed under the terms of the same license as zlib. - See the accompanying LICENSE file for the full text of the license. -*/ - -#include <stdlib.h> -#include <string.h> - -#if defined unix || defined __APPLE__ -#include <sys/types.h> -#include <unistd.h> -#endif - -#include "ioapi.h" - -#if defined(_WIN32) -# define snprintf _snprintf -#endif - -voidpf call_zopen64(const zlib_filefunc64_32_def *pfilefunc, const void *filename, int mode) -{ - if (pfilefunc->zfile_func64.zopen64_file != NULL) - return (*(pfilefunc->zfile_func64.zopen64_file)) (pfilefunc->zfile_func64.opaque, filename, mode); - return (*(pfilefunc->zopen32_file))(pfilefunc->zfile_func64.opaque, (const char*)filename, mode); -} - -voidpf call_zopendisk64(const zlib_filefunc64_32_def *pfilefunc, voidpf filestream, uint32_t number_disk, int mode) -{ - if (pfilefunc->zfile_func64.zopendisk64_file != NULL) - return (*(pfilefunc->zfile_func64.zopendisk64_file)) (pfilefunc->zfile_func64.opaque, filestream, number_disk, mode); - return (*(pfilefunc->zopendisk32_file))(pfilefunc->zfile_func64.opaque, filestream, number_disk, mode); -} - -long call_zseek64(const zlib_filefunc64_32_def *pfilefunc, voidpf filestream, uint64_t offset, int origin) -{ - uint32_t offset_truncated = 0; - if (pfilefunc->zfile_func64.zseek64_file != NULL) - return (*(pfilefunc->zfile_func64.zseek64_file)) (pfilefunc->zfile_func64.opaque,filestream,offset,origin); - offset_truncated = (uint32_t)offset; - if (offset_truncated != offset) - return -1; - return (*(pfilefunc->zseek32_file))(pfilefunc->zfile_func64.opaque,filestream, offset_truncated, origin); -} - -uint64_t call_ztell64(const zlib_filefunc64_32_def *pfilefunc, voidpf filestream) -{ - uint64_t position; - if (pfilefunc->zfile_func64.zseek64_file != NULL) - return (*(pfilefunc->zfile_func64.ztell64_file)) (pfilefunc->zfile_func64.opaque, filestream); - position = (*(pfilefunc->ztell32_file))(pfilefunc->zfile_func64.opaque, filestream); - if ((position) == UINT32_MAX) - return (uint64_t)-1; - return position; -} - -void fill_zlib_filefunc64_32_def_from_filefunc32(zlib_filefunc64_32_def *p_filefunc64_32, const zlib_filefunc_def *p_filefunc32) -{ - p_filefunc64_32->zfile_func64.zopen64_file = NULL; - p_filefunc64_32->zfile_func64.zopendisk64_file = NULL; - p_filefunc64_32->zopen32_file = p_filefunc32->zopen_file; - p_filefunc64_32->zopendisk32_file = p_filefunc32->zopendisk_file; - p_filefunc64_32->zfile_func64.zerror_file = p_filefunc32->zerror_file; - p_filefunc64_32->zfile_func64.zread_file = p_filefunc32->zread_file; - p_filefunc64_32->zfile_func64.zwrite_file = p_filefunc32->zwrite_file; - p_filefunc64_32->zfile_func64.ztell64_file = NULL; - p_filefunc64_32->zfile_func64.zseek64_file = NULL; - p_filefunc64_32->zfile_func64.zclose_file = p_filefunc32->zclose_file; - p_filefunc64_32->zfile_func64.zerror_file = p_filefunc32->zerror_file; - p_filefunc64_32->zfile_func64.opaque = p_filefunc32->opaque; - p_filefunc64_32->zseek32_file = p_filefunc32->zseek_file; - p_filefunc64_32->ztell32_file = p_filefunc32->ztell_file; -} - -static voidpf ZCALLBACK fopen_file_func(voidpf opaque, const char *filename, int mode); -static uint32_t ZCALLBACK fread_file_func(voidpf opaque, voidpf stream, void* buf, uint32_t size); -static uint32_t ZCALLBACK fwrite_file_func(voidpf opaque, voidpf stream, const void *buf, uint32_t size); -static uint64_t ZCALLBACK ftell64_file_func(voidpf opaque, voidpf stream); -static long ZCALLBACK fseek64_file_func(voidpf opaque, voidpf stream, uint64_t offset, int origin); -static int ZCALLBACK fclose_file_func(voidpf opaque, voidpf stream); -static int ZCALLBACK ferror_file_func(voidpf opaque, voidpf stream); - -typedef struct -{ - FILE *file; - int filenameLength; - void *filename; -} FILE_IOPOSIX; - -static voidpf file_build_ioposix(FILE *file, const char *filename) -{ - FILE_IOPOSIX *ioposix = NULL; - if (file == NULL) - return NULL; - ioposix = (FILE_IOPOSIX*)malloc(sizeof(FILE_IOPOSIX)); - ioposix->file = file; - ioposix->filenameLength = (int)strlen(filename) + 1; - ioposix->filename = (char*)malloc(ioposix->filenameLength * sizeof(char)); - strncpy((char*)ioposix->filename, filename, ioposix->filenameLength); - return (voidpf)ioposix; -} - -static voidpf ZCALLBACK fopen_file_func(voidpf opaque, const char *filename, int mode) -{ - FILE* file = NULL; - const char *mode_fopen = NULL; - if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER) == ZLIB_FILEFUNC_MODE_READ) - mode_fopen = "rb"; - else if (mode & ZLIB_FILEFUNC_MODE_EXISTING) - mode_fopen = "r+b"; - else if (mode & ZLIB_FILEFUNC_MODE_CREATE) - mode_fopen = "wb"; - - if ((filename != NULL) && (mode_fopen != NULL)) - { - file = fopen(filename, mode_fopen); - return file_build_ioposix(file, filename); - } - return file; -} - -static voidpf ZCALLBACK fopen64_file_func(voidpf opaque, const void *filename, int mode) -{ - FILE* file = NULL; - const char *mode_fopen = NULL; - if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER) == ZLIB_FILEFUNC_MODE_READ) - mode_fopen = "rb"; - else if (mode & ZLIB_FILEFUNC_MODE_EXISTING) - mode_fopen = "r+b"; - else if (mode & ZLIB_FILEFUNC_MODE_CREATE) - mode_fopen = "wb"; - - if ((filename != NULL) && (mode_fopen != NULL)) - { - file = fopen64((const char*)filename, mode_fopen); - return file_build_ioposix(file, (const char*)filename); - } - return file; -} - -static voidpf ZCALLBACK fopendisk64_file_func(voidpf opaque, voidpf stream, uint32_t number_disk, int mode) -{ - FILE_IOPOSIX *ioposix = NULL; - char *diskFilename = NULL; - voidpf ret = NULL; - int i = 0; - - if (stream == NULL) - return NULL; - ioposix = (FILE_IOPOSIX*)stream; - diskFilename = (char*)malloc(ioposix->filenameLength * sizeof(char)); - strncpy(diskFilename, (const char*)ioposix->filename, ioposix->filenameLength); - for (i = ioposix->filenameLength - 1; i >= 0; i -= 1) - { - if (diskFilename[i] != '.') - continue; - snprintf(&diskFilename[i], ioposix->filenameLength - i, ".z%02u", number_disk + 1); - break; - } - if (i >= 0) - ret = fopen64_file_func(opaque, diskFilename, mode); - free(diskFilename); - return ret; -} - -static voidpf ZCALLBACK fopendisk_file_func(voidpf opaque, voidpf stream, uint32_t number_disk, int mode) -{ - FILE_IOPOSIX *ioposix = NULL; - char *diskFilename = NULL; - voidpf ret = NULL; - int i = 0; - - if (stream == NULL) - return NULL; - ioposix = (FILE_IOPOSIX*)stream; - diskFilename = (char*)malloc(ioposix->filenameLength * sizeof(char)); - strncpy(diskFilename, (const char*)ioposix->filename, ioposix->filenameLength); - for (i = ioposix->filenameLength - 1; i >= 0; i -= 1) - { - if (diskFilename[i] != '.') - continue; - snprintf(&diskFilename[i], ioposix->filenameLength - i, ".z%02u", number_disk + 1); - break; - } - if (i >= 0) - ret = fopen_file_func(opaque, diskFilename, mode); - free(diskFilename); - return ret; -} - -static uint32_t ZCALLBACK fread_file_func(voidpf opaque, voidpf stream, void* buf, uint32_t size) -{ - FILE_IOPOSIX *ioposix = NULL; - uint32_t read = (uint32_t)-1; - if (stream == NULL) - return read; - ioposix = (FILE_IOPOSIX*)stream; - read = (uint32_t)fread(buf, 1, (size_t)size, ioposix->file); - return read; -} - -static uint32_t ZCALLBACK fwrite_file_func(voidpf opaque, voidpf stream, const void *buf, uint32_t size) -{ - FILE_IOPOSIX *ioposix = NULL; - uint32_t written = (uint32_t)-1; - if (stream == NULL) - return written; - ioposix = (FILE_IOPOSIX*)stream; - written = (uint32_t)fwrite(buf, 1, (size_t)size, ioposix->file); - return written; -} - -static long ZCALLBACK ftell_file_func(voidpf opaque, voidpf stream) -{ - FILE_IOPOSIX *ioposix = NULL; - long ret = -1; - if (stream == NULL) - return ret; - ioposix = (FILE_IOPOSIX*)stream; - ret = ftell(ioposix->file); - return ret; -} - -static uint64_t ZCALLBACK ftell64_file_func(voidpf opaque, voidpf stream) -{ - FILE_IOPOSIX *ioposix = NULL; - uint64_t ret = (uint64_t)-1; - if (stream == NULL) - return ret; - ioposix = (FILE_IOPOSIX*)stream; - ret = ftello64(ioposix->file); - return ret; -} - -static long ZCALLBACK fseek_file_func(voidpf opaque, voidpf stream, uint32_t offset, int origin) -{ - FILE_IOPOSIX *ioposix = NULL; - int fseek_origin = 0; - long ret = 0; - - if (stream == NULL) - return -1; - ioposix = (FILE_IOPOSIX*)stream; - - switch (origin) - { - case ZLIB_FILEFUNC_SEEK_CUR: - fseek_origin = SEEK_CUR; - break; - case ZLIB_FILEFUNC_SEEK_END: - fseek_origin = SEEK_END; - break; - case ZLIB_FILEFUNC_SEEK_SET: - fseek_origin = SEEK_SET; - break; - default: - return -1; - } - if (fseek(ioposix->file, offset, fseek_origin) != 0) - ret = -1; - return ret; -} - -static long ZCALLBACK fseek64_file_func(voidpf opaque, voidpf stream, uint64_t offset, int origin) -{ - FILE_IOPOSIX *ioposix = NULL; - int fseek_origin = 0; - long ret = 0; - - if (stream == NULL) - return -1; - ioposix = (FILE_IOPOSIX*)stream; - - switch (origin) - { - case ZLIB_FILEFUNC_SEEK_CUR: - fseek_origin = SEEK_CUR; - break; - case ZLIB_FILEFUNC_SEEK_END: - fseek_origin = SEEK_END; - break; - case ZLIB_FILEFUNC_SEEK_SET: - fseek_origin = SEEK_SET; - break; - default: - return -1; - } - - if (fseeko64(ioposix->file, offset, fseek_origin) != 0) - ret = -1; - - return ret; -} - -static int ZCALLBACK fclose_file_func(voidpf opaque, voidpf stream) -{ - FILE_IOPOSIX *ioposix = NULL; - int ret = -1; - if (stream == NULL) - return ret; - ioposix = (FILE_IOPOSIX*)stream; - if (ioposix->filename != NULL) - free(ioposix->filename); - ret = fclose(ioposix->file); - free(ioposix); - return ret; -} - -static int ZCALLBACK ferror_file_func(voidpf opaque, voidpf stream) -{ - FILE_IOPOSIX *ioposix = NULL; - int ret = -1; - if (stream == NULL) - return ret; - ioposix = (FILE_IOPOSIX*)stream; - ret = ferror(ioposix->file); - return ret; -} - -void fill_fopen_filefunc(zlib_filefunc_def *pzlib_filefunc_def) -{ - pzlib_filefunc_def->zopen_file = fopen_file_func; - pzlib_filefunc_def->zopendisk_file = fopendisk_file_func; - pzlib_filefunc_def->zread_file = fread_file_func; - pzlib_filefunc_def->zwrite_file = fwrite_file_func; - pzlib_filefunc_def->ztell_file = ftell_file_func; - pzlib_filefunc_def->zseek_file = fseek_file_func; - pzlib_filefunc_def->zclose_file = fclose_file_func; - pzlib_filefunc_def->zerror_file = ferror_file_func; - pzlib_filefunc_def->opaque = NULL; -} - -void fill_fopen64_filefunc(zlib_filefunc64_def *pzlib_filefunc_def) -{ - pzlib_filefunc_def->zopen64_file = fopen64_file_func; - pzlib_filefunc_def->zopendisk64_file = fopendisk64_file_func; - pzlib_filefunc_def->zread_file = fread_file_func; - pzlib_filefunc_def->zwrite_file = fwrite_file_func; - pzlib_filefunc_def->ztell64_file = ftell64_file_func; - pzlib_filefunc_def->zseek64_file = fseek64_file_func; - pzlib_filefunc_def->zclose_file = fclose_file_func; - pzlib_filefunc_def->zerror_file = ferror_file_func; - pzlib_filefunc_def->opaque = NULL; -} diff --git a/Externals/minizip/ioapi.h b/Externals/minizip/ioapi.h deleted file mode 100644 index efb94a4457..0000000000 --- a/Externals/minizip/ioapi.h +++ /dev/null @@ -1,146 +0,0 @@ -/* ioapi.h -- IO base function header for compress/uncompress .zip - part of the MiniZip project - - Copyright (C) 1998-2010 Gilles Vollant - http://www.winimage.com/zLibDll/minizip.html - Modifications for Zip64 support - Copyright (C) 2009-2010 Mathias Svensson - http://result42.com - - This program is distributed under the terms of the same license as zlib. - See the accompanying LICENSE file for the full text of the license. -*/ - -#ifndef _ZLIBIOAPI64_H -#define _ZLIBIOAPI64_H - -#include <stdio.h> -#include <stdlib.h> -#include <stdint.h> - -#include "zlib.h" - -#if defined(USE_FILE32API) -# define fopen64 fopen -# define ftello64 ftell -# define fseeko64 fseek -#else -# if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__DragonFly__) || defined(__OpenBSD__) || defined(__APPLE__) -# define fopen64 fopen -# define ftello64 ftello -# define fseeko64 fseeko -# endif -# ifdef _MSC_VER -# define fopen64 fopen -# if (_MSC_VER >= 1400) && (!(defined(NO_MSCVER_FILE64_FUNC))) -# define ftello64 _ftelli64 -# define fseeko64 _fseeki64 -# else /* old MSC */ -# define ftello64 ftell -# define fseeko64 fseek -# endif -# endif -#endif - -#ifdef __cplusplus -extern "C" { -#endif - -#define ZLIB_FILEFUNC_SEEK_CUR (1) -#define ZLIB_FILEFUNC_SEEK_END (2) -#define ZLIB_FILEFUNC_SEEK_SET (0) - -#define ZLIB_FILEFUNC_MODE_READ (1) -#define ZLIB_FILEFUNC_MODE_WRITE (2) -#define ZLIB_FILEFUNC_MODE_READWRITEFILTER (3) -#define ZLIB_FILEFUNC_MODE_EXISTING (4) -#define ZLIB_FILEFUNC_MODE_CREATE (8) - -#ifndef ZCALLBACK -# if (defined(WIN32) || defined(_WIN32) || defined (WINDOWS) || \ - defined (_WINDOWS)) && defined(CALLBACK) && defined (USEWINDOWS_CALLBACK) -# define ZCALLBACK CALLBACK -# else -# define ZCALLBACK -# endif -#endif - -typedef voidpf (ZCALLBACK *open_file_func) (voidpf opaque, const char *filename, int mode); -typedef voidpf (ZCALLBACK *opendisk_file_func) (voidpf opaque, voidpf stream, uint32_t number_disk, int mode); -typedef uint32_t (ZCALLBACK *read_file_func) (voidpf opaque, voidpf stream, void* buf, uint32_t size); -typedef uint32_t (ZCALLBACK *write_file_func) (voidpf opaque, voidpf stream, const void *buf, uint32_t size); -typedef int (ZCALLBACK *close_file_func) (voidpf opaque, voidpf stream); -typedef int (ZCALLBACK *error_file_func) (voidpf opaque, voidpf stream); - -typedef long (ZCALLBACK *tell_file_func) (voidpf opaque, voidpf stream); -typedef long (ZCALLBACK *seek_file_func) (voidpf opaque, voidpf stream, uint32_t offset, int origin); - -/* here is the "old" 32 bits structure structure */ -typedef struct zlib_filefunc_def_s -{ - open_file_func zopen_file; - opendisk_file_func zopendisk_file; - read_file_func zread_file; - write_file_func zwrite_file; - tell_file_func ztell_file; - seek_file_func zseek_file; - close_file_func zclose_file; - error_file_func zerror_file; - voidpf opaque; -} zlib_filefunc_def; - -typedef uint64_t (ZCALLBACK *tell64_file_func) (voidpf opaque, voidpf stream); -typedef long (ZCALLBACK *seek64_file_func) (voidpf opaque, voidpf stream, uint64_t offset, int origin); -typedef voidpf (ZCALLBACK *open64_file_func) (voidpf opaque, const void *filename, int mode); -typedef voidpf (ZCALLBACK *opendisk64_file_func)(voidpf opaque, voidpf stream, uint32_t number_disk, int mode); - -typedef struct zlib_filefunc64_def_s -{ - open64_file_func zopen64_file; - opendisk64_file_func zopendisk64_file; - read_file_func zread_file; - write_file_func zwrite_file; - tell64_file_func ztell64_file; - seek64_file_func zseek64_file; - close_file_func zclose_file; - error_file_func zerror_file; - voidpf opaque; -} zlib_filefunc64_def; - -void fill_fopen_filefunc(zlib_filefunc_def *pzlib_filefunc_def); -void fill_fopen64_filefunc(zlib_filefunc64_def *pzlib_filefunc_def); - -/* now internal definition, only for zip.c and unzip.h */ -typedef struct zlib_filefunc64_32_def_s -{ - zlib_filefunc64_def zfile_func64; - open_file_func zopen32_file; - opendisk_file_func zopendisk32_file; - tell_file_func ztell32_file; - seek_file_func zseek32_file; -} zlib_filefunc64_32_def; - -#define ZREAD64(filefunc,filestream,buf,size) ((*((filefunc).zfile_func64.zread_file)) ((filefunc).zfile_func64.opaque,filestream,buf,size)) -#define ZWRITE64(filefunc,filestream,buf,size) ((*((filefunc).zfile_func64.zwrite_file)) ((filefunc).zfile_func64.opaque,filestream,buf,size)) -/*#define ZTELL64(filefunc,filestream) ((*((filefunc).ztell64_file)) ((filefunc).opaque,filestream))*/ -/*#define ZSEEK64(filefunc,filestream,pos,mode) ((*((filefunc).zseek64_file)) ((filefunc).opaque,filestream,pos,mode))*/ -#define ZCLOSE64(filefunc,filestream) ((*((filefunc).zfile_func64.zclose_file)) ((filefunc).zfile_func64.opaque,filestream)) -#define ZERROR64(filefunc,filestream) ((*((filefunc).zfile_func64.zerror_file)) ((filefunc).zfile_func64.opaque,filestream)) - -voidpf call_zopen64(const zlib_filefunc64_32_def *pfilefunc,const void*filename, int mode); -voidpf call_zopendisk64(const zlib_filefunc64_32_def *pfilefunc, voidpf filestream, uint32_t number_disk, int mode); -long call_zseek64(const zlib_filefunc64_32_def *pfilefunc, voidpf filestream, uint64_t offset, int origin); -uint64_t call_ztell64(const zlib_filefunc64_32_def *pfilefunc, voidpf filestream); - -void fill_zlib_filefunc64_32_def_from_filefunc32(zlib_filefunc64_32_def *p_filefunc64_32, const zlib_filefunc_def *p_filefunc32); - -#define ZOPEN64(filefunc,filename,mode) (call_zopen64((&(filefunc)),(filename),(mode))) -#define ZOPENDISK64(filefunc,filestream,diskn,mode) (call_zopendisk64((&(filefunc)),(filestream),(diskn),(mode))) -#define ZTELL64(filefunc,filestream) (call_ztell64((&(filefunc)),(filestream))) -#define ZSEEK64(filefunc,filestream,pos,mode) (call_zseek64((&(filefunc)),(filestream),(pos),(mode))) - -#ifdef __cplusplus -} -#endif - -#endif diff --git a/Externals/minizip/minigzip.c b/Externals/minizip/minigzip.c new file mode 100644 index 0000000000..0bd8c79895 --- /dev/null +++ b/Externals/minizip/minigzip.c @@ -0,0 +1,182 @@ +/* minigzip.c + part of the minizip-ng project + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. +*/ + + +#include "mz.h" +#include "mz_os.h" +#include "mz_strm.h" +#include "mz_strm_os.h" +#include "mz_strm_zlib.h" + +#include <stdio.h> /* printf */ + +/***************************************************************************/ + +#define MZ_GZIP_COMPRESS (1) +#define MZ_GZIP_DECOMPRESS (2) + +int32_t minigzip_banner(void); +int32_t minigzip_help(void); + +/***************************************************************************/ + +int32_t minigzip_banner(void) { + printf("Minigzip %s - https://github.com/zlib-ng/minizip-ng\n", MZ_VERSION); + printf("---------------------------------------------------\n"); + return MZ_OK; +} + +int32_t minigzip_help(void) { + printf("Usage: minigzip [-x] [-d] [-0 to -9] [files]\n\n" \ + " -x Extract file\n" \ + " -d Destination directory\n" \ + " -0 Store only\n" \ + " -1 Compress faster\n" \ + " -9 Compress better\n\n"); + return MZ_OK; +} + +/***************************************************************************/ + +int32_t minigzip_copy(const char *path, const char *destination, int16_t operation, int16_t level) { + void *target_stream = NULL; + void *source_stream = NULL; + void *zlib_stream = NULL; + const char *filename = NULL; + char target_path[1024]; + int32_t err = 0; + + + memset(target_path, 0, sizeof(target_path)); + + if (destination != NULL) { + if (mz_os_file_exists(destination) != MZ_OK) + mz_dir_make(destination); + } + + if (operation == MZ_GZIP_COMPRESS) { + mz_path_combine(target_path, path, sizeof(target_path)); + strncat(target_path, ".gz", sizeof(target_path) - strlen(target_path) - 1); + printf("Compressing to %s\n", target_path); + } else if (operation == MZ_GZIP_DECOMPRESS) { + if (destination != NULL) + mz_path_combine(target_path, destination, sizeof(target_path)); + + if (mz_path_get_filename(path, &filename) != MZ_OK) + filename = path; + + mz_path_combine(target_path, filename, sizeof(target_path)); + mz_path_remove_extension(target_path); + printf("Decompressing to %s\n", target_path); + } + + mz_stream_zlib_create(&zlib_stream); + mz_stream_zlib_set_prop_int64(zlib_stream, MZ_STREAM_PROP_COMPRESS_WINDOW, 15 + 16); + + mz_stream_os_create(&source_stream); + err = mz_stream_os_open(source_stream, path, MZ_OPEN_MODE_READ); + + if (err == MZ_OK) { + mz_stream_os_create(&target_stream); + err = mz_stream_os_open(target_stream, target_path, MZ_OPEN_MODE_CREATE | MZ_OPEN_MODE_WRITE); + + if (err == MZ_OK) { + if (operation == MZ_GZIP_COMPRESS) { + mz_stream_zlib_set_prop_int64(zlib_stream, MZ_STREAM_PROP_COMPRESS_LEVEL, level); + mz_stream_zlib_open(zlib_stream, target_path, MZ_OPEN_MODE_WRITE); + mz_stream_set_base(zlib_stream, target_stream); + err = mz_stream_copy_to_end(zlib_stream, source_stream); + } else if (operation == MZ_GZIP_DECOMPRESS) { + mz_stream_zlib_open(zlib_stream, path, MZ_OPEN_MODE_READ); + mz_stream_set_base(zlib_stream, source_stream); + err = mz_stream_copy_to_end(target_stream, zlib_stream); + } + + if (err != MZ_OK) + printf("Error %d in zlib stream (%d)\n", err, mz_stream_zlib_error(zlib_stream)); + else + printf("Operation completed successfully\n"); + + mz_stream_zlib_close(zlib_stream); + } else { + printf("Error %d opening target path %s\n", err, target_path); + } + + mz_stream_os_close(target_stream); + mz_stream_os_delete(&target_stream); + } else { + printf("Error %d opening source path %s\n", err, path); + } + + mz_stream_os_close(source_stream); + mz_stream_os_delete(&source_stream); + + mz_stream_zlib_delete(&zlib_stream); + return err; +} + +/***************************************************************************/ + +#if !defined(MZ_ZIP_NO_MAIN) +int main(int argc, const char *argv[]) { + int16_t operation_level = MZ_COMPRESS_LEVEL_DEFAULT; + int32_t path_arg = 0; + int32_t err = 0; + int32_t i = 0; + uint8_t operation = MZ_GZIP_COMPRESS; + const char *path = NULL; + const char *destination = NULL; + + + minigzip_banner(); + if (argc == 1) { + minigzip_help(); + return 0; + } + + /* Parse command line options */ + for (i = 1; i < argc; i += 1) { + printf("%s ", argv[i]); + if (argv[i][0] == '-') { + char c = argv[i][1]; + if ((c == 'x') || (c == 'X')) + operation = MZ_GZIP_DECOMPRESS; + else if ((c >= '0') && (c <= '9')) + operation_level = (c - '0'); + else if (((c == 'd') || (c == 'D')) && (i + 1 < argc)) { + destination = argv[i + 1]; + printf("%s ", argv[i + 1]); + i += 1; + } else { + err = MZ_SUPPORT_ERROR; + } + } else if (path_arg == 0) { + path_arg = i; + break; + } + } + printf("\n"); + + if (err == MZ_SUPPORT_ERROR) { + printf("Feature not supported\n"); + return err; + } + + if (path_arg == 0) { + minigzip_help(); + return 0; + } + + path = argv[path_arg]; + err = minigzip_copy(path, destination, operation, operation_level); + + return err; +} +#endif diff --git a/Externals/minizip/minizip.c b/Externals/minizip/minizip.c new file mode 100644 index 0000000000..01bb559eb8 --- /dev/null +++ b/Externals/minizip/minizip.c @@ -0,0 +1,671 @@ +/* minizip.c + part of the minizip-ng project + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + Copyright (C) 1998-2010 Gilles Vollant + https://www.winimage.com/zLibDll/minizip.html + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. +*/ + + +#include "mz.h" +#include "mz_os.h" +#include "mz_strm.h" +#include "mz_strm_buf.h" +#include "mz_strm_split.h" +#include "mz_zip.h" +#include "mz_zip_rw.h" + +#include <stdio.h> /* printf */ + +/***************************************************************************/ + +typedef struct minizip_opt_s { + uint8_t include_path; + int16_t compress_level; + uint8_t compress_method; + uint8_t overwrite; + uint8_t append; + int64_t disk_size; + uint8_t follow_links; + uint8_t store_links; + uint8_t zip_cd; + int32_t encoding; + uint8_t verbose; + uint8_t aes; + const char *cert_path; + const char *cert_pwd; +} minizip_opt; + +/***************************************************************************/ + +int32_t minizip_banner(void); +int32_t minizip_help(void); + +int32_t minizip_list(const char *path); + +int32_t minizip_add_entry_cb(void *handle, void *userdata, mz_zip_file *file_info); +int32_t minizip_add_progress_cb(void *handle, void *userdata, mz_zip_file *file_info, int64_t position); +int32_t minizip_add_overwrite_cb(void *handle, void *userdata, const char *path); +int32_t minizip_add(const char *path, const char *password, minizip_opt *options, int32_t arg_count, const char **args); + +int32_t minizip_extract_entry_cb(void *handle, void *userdata, mz_zip_file *file_info, const char *path); +int32_t minizip_extract_progress_cb(void *handle, void *userdata, mz_zip_file *file_info, int64_t position); +int32_t minizip_extract_overwrite_cb(void *handle, void *userdata, mz_zip_file *file_info, const char *path); +int32_t minizip_extract(const char *path, const char *pattern, const char *destination, const char *password, minizip_opt *options); + +int32_t minizip_erase(const char *src_path, const char *target_path, int32_t arg_count, const char **args); + +/***************************************************************************/ + +int32_t minizip_banner(void) { + printf("minizip-ng %s - https://github.com/zlib-ng/minizip-ng\n", MZ_VERSION); + printf("---------------------------------------------------\n"); + return MZ_OK; +} + +int32_t minizip_help(void) { + printf("Usage: minizip [-x][-d dir|-l|-e][-o][-f][-y][-c cp][-a][-0 to -9][-b|-m|-t][-k 512][-p pwd][-s] file.zip [files]\n\n" \ + " -x Extract files\n" \ + " -l List files\n" \ + " -d Destination directory\n" \ + " -e Erase files\n" \ + " -o Overwrite existing files\n" \ + " -c File names use cp437 encoding (or specified codepage)\n" \ + " -a Append to existing zip file\n" \ + " -i Include full path of files\n" \ + " -f Follow symbolic links\n" \ + " -y Store symbolic links\n" \ + " -v Verbose info\n" \ + " -0 Store only\n" \ + " -1 Compress faster\n" \ + " -9 Compress better\n" \ + " -k Disk size in KB\n" \ + " -z Zip central directory\n" \ + " -p Encryption password\n" \ + " -s AES encryption\n" \ + " -h PKCS12 certificate path\n" \ + " -w PKCS12 certificate password\n" \ + " -b BZIP2 compression\n" \ + " -m LZMA compression\n" \ + " -n XZ compression\n" \ + " -t ZSTD compression\n\n"); + return MZ_OK; +} + +/***************************************************************************/ + +int32_t minizip_list(const char *path) { + mz_zip_file *file_info = NULL; + uint32_t ratio = 0; + int32_t err = MZ_OK; + struct tm tmu_date; + const char *method = NULL; + char crypt = ' '; + void *reader = NULL; + + + mz_zip_reader_create(&reader); + err = mz_zip_reader_open_file(reader, path); + if (err != MZ_OK) { + printf("Error %" PRId32 " opening archive %s\n", err, path); + mz_zip_reader_delete(&reader); + return err; + } + + err = mz_zip_reader_goto_first_entry(reader); + + if (err != MZ_OK && err != MZ_END_OF_LIST) { + printf("Error %" PRId32 " going to first entry in archive\n", err); + mz_zip_reader_delete(&reader); + return err; + } + + printf(" Packed Unpacked Ratio Method Attribs Date Time CRC-32 Name\n"); + printf(" ------ -------- ----- ------ ------- ---- ---- ------ ----\n"); + + /* Enumerate all entries in the archive */ + do { + err = mz_zip_reader_entry_get_info(reader, &file_info); + + if (err != MZ_OK) { + printf("Error %" PRId32 " getting entry info in archive\n", err); + break; + } + + ratio = 0; + if (file_info->uncompressed_size > 0) + ratio = (uint32_t)((file_info->compressed_size * 100) / file_info->uncompressed_size); + + /* Display a '*' if the file is encrypted */ + if (file_info->flag & MZ_ZIP_FLAG_ENCRYPTED) + crypt = '*'; + else + crypt = ' '; + + method = mz_zip_get_compression_method_string(file_info->compression_method); + mz_zip_time_t_to_tm(file_info->modified_date, &tmu_date); + + /* Print entry information */ + printf("%12" PRId64 " %12" PRId64 " %3" PRIu32 "%% %6s%c %8" PRIx32 " %2.2" PRIu32 \ + "-%2.2" PRIu32 "-%2.2" PRIu32 " %2.2" PRIu32 ":%2.2" PRIu32 " %8.8" PRIx32 " %s\n", + file_info->compressed_size, file_info->uncompressed_size, ratio, + method, crypt, file_info->external_fa, + (uint32_t)tmu_date.tm_mon + 1, (uint32_t)tmu_date.tm_mday, + (uint32_t)tmu_date.tm_year % 100, + (uint32_t)tmu_date.tm_hour, (uint32_t)tmu_date.tm_min, + file_info->crc, file_info->filename); + + err = mz_zip_reader_goto_next_entry(reader); + + if (err != MZ_OK && err != MZ_END_OF_LIST) { + printf("Error %" PRId32 " going to next entry in archive\n", err); + break; + } + } while (err == MZ_OK); + + mz_zip_reader_delete(&reader); + + if (err == MZ_END_OF_LIST) + return MZ_OK; + + return err; +} + +/***************************************************************************/ + +int32_t minizip_add_entry_cb(void *handle, void *userdata, mz_zip_file *file_info) { + MZ_UNUSED(handle); + MZ_UNUSED(userdata); + + /* Print the current file we are trying to compress */ + printf("Adding %s\n", file_info->filename); + return MZ_OK; +} + +int32_t minizip_add_progress_cb(void *handle, void *userdata, mz_zip_file *file_info, int64_t position) { + minizip_opt *options = (minizip_opt *)userdata; + double progress = 0; + uint8_t raw = 0; + + MZ_UNUSED(userdata); + + mz_zip_writer_get_raw(handle, &raw); + + if (raw && file_info->compressed_size > 0) + progress = ((double)position / file_info->compressed_size) * 100; + else if (!raw && file_info->uncompressed_size > 0) + progress = ((double)position / file_info->uncompressed_size) * 100; + + /* Print the progress of the current compress operation */ + if (options->verbose) + printf("%s - %" PRId64 " / %" PRId64 " (%.02f%%)\n", file_info->filename, position, + file_info->uncompressed_size, progress); + return MZ_OK; +} + +int32_t minizip_add_overwrite_cb(void *handle, void *userdata, const char *path) { + minizip_opt *options = (minizip_opt *)userdata; + + MZ_UNUSED(handle); + + if (options->overwrite == 0) { + /* If ask the user what to do because append and overwrite args not set */ + char rep = 0; + do { + char answer[128]; + printf("The file %s exists. Overwrite ? [y]es, [n]o, [a]ppend : ", path); + if (scanf("%1s", answer) != 1) + exit(EXIT_FAILURE); + rep = answer[0]; + + if ((rep >= 'a') && (rep <= 'z')) + rep -= 0x20; + } while ((rep != 'Y') && (rep != 'N') && (rep != 'A')); + + if (rep == 'A') { + return MZ_EXIST_ERROR; + } else if (rep == 'N') { + return MZ_INTERNAL_ERROR; + } + } + + return MZ_OK; +} + +int32_t minizip_add(const char *path, const char *password, minizip_opt *options, int32_t arg_count, const char **args) { + void *writer = NULL; + int32_t err = MZ_OK; + int32_t err_close = MZ_OK; + int32_t i = 0; + const char *filename_in_zip = NULL; + + + printf("Archive %s\n", path); + + /* Create zip writer */ + mz_zip_writer_create(&writer); + mz_zip_writer_set_password(writer, password); + mz_zip_writer_set_aes(writer, options->aes); + mz_zip_writer_set_compress_method(writer, options->compress_method); + mz_zip_writer_set_compress_level(writer, options->compress_level); + mz_zip_writer_set_follow_links(writer, options->follow_links); + mz_zip_writer_set_store_links(writer, options->store_links); + mz_zip_writer_set_overwrite_cb(writer, options, minizip_add_overwrite_cb); + mz_zip_writer_set_progress_cb(writer, options, minizip_add_progress_cb); + mz_zip_writer_set_entry_cb(writer, options, minizip_add_entry_cb); + mz_zip_writer_set_zip_cd(writer, options->zip_cd); + if (options->cert_path != NULL) + mz_zip_writer_set_certificate(writer, options->cert_path, options->cert_pwd); + + err = mz_zip_writer_open_file(writer, path, options->disk_size, options->append); + + if (err == MZ_OK) { + for (i = 0; i < arg_count; i += 1) { + filename_in_zip = args[i]; + + /* Add file system path to archive */ + err = mz_zip_writer_add_path(writer, filename_in_zip, NULL, options->include_path, 1); + if (err != MZ_OK) + printf("Error %" PRId32 " adding path to archive %s\n", err, filename_in_zip); + } + } else { + printf("Error %" PRId32 " opening archive for writing\n", err); + } + + err_close = mz_zip_writer_close(writer); + if (err_close != MZ_OK) { + printf("Error %" PRId32 " closing archive for writing %s\n", err_close, path); + err = err_close; + } + + mz_zip_writer_delete(&writer); + return err; +} + +/***************************************************************************/ + +int32_t minizip_extract_entry_cb(void *handle, void *userdata, mz_zip_file *file_info, const char *path) { + MZ_UNUSED(handle); + MZ_UNUSED(userdata); + MZ_UNUSED(path); + + /* Print the current entry extracting */ + printf("Extracting %s\n", file_info->filename); + return MZ_OK; +} + +int32_t minizip_extract_progress_cb(void *handle, void *userdata, mz_zip_file *file_info, int64_t position) { + minizip_opt *options = (minizip_opt *)userdata; + double progress = 0; + uint8_t raw = 0; + + MZ_UNUSED(userdata); + + mz_zip_reader_get_raw(handle, &raw); + + if (raw && file_info->compressed_size > 0) + progress = ((double)position / file_info->compressed_size) * 100; + else if (!raw && file_info->uncompressed_size > 0) + progress = ((double)position / file_info->uncompressed_size) * 100; + + /* Print the progress of the current extraction */ + if (options->verbose) + printf("%s - %" PRId64 " / %" PRId64 " (%.02f%%)\n", file_info->filename, position, + file_info->uncompressed_size, progress); + + return MZ_OK; +} + +int32_t minizip_extract_overwrite_cb(void *handle, void *userdata, mz_zip_file *file_info, const char *path) { + minizip_opt *options = (minizip_opt *)userdata; + + MZ_UNUSED(handle); + MZ_UNUSED(file_info); + + /* Verify if we want to overwrite current entry on disk */ + if (options->overwrite == 0) { + char rep = 0; + do { + char answer[128]; + printf("The file %s exists. Overwrite ? [y]es, [n]o, [A]ll: ", path); + if (scanf("%1s", answer) != 1) + exit(EXIT_FAILURE); + rep = answer[0]; + if ((rep >= 'a') && (rep <= 'z')) + rep -= 0x20; + } while ((rep != 'Y') && (rep != 'N') && (rep != 'A')); + + if (rep == 'N') + return MZ_EXIST_ERROR; + if (rep == 'A') + options->overwrite = 1; + } + + return MZ_OK; +} + +int32_t minizip_extract(const char *path, const char *pattern, const char *destination, const char *password, minizip_opt *options) { + void *reader = NULL; + int32_t err = MZ_OK; + int32_t err_close = MZ_OK; + + + printf("Archive %s\n", path); + + /* Create zip reader */ + mz_zip_reader_create(&reader); + mz_zip_reader_set_pattern(reader, pattern, 1); + mz_zip_reader_set_password(reader, password); + mz_zip_reader_set_encoding(reader, options->encoding); + mz_zip_reader_set_entry_cb(reader, options, minizip_extract_entry_cb); + mz_zip_reader_set_progress_cb(reader, options, minizip_extract_progress_cb); + mz_zip_reader_set_overwrite_cb(reader, options, minizip_extract_overwrite_cb); + + err = mz_zip_reader_open_file(reader, path); + + if (err != MZ_OK) { + printf("Error %" PRId32 " opening archive %s\n", err, path); + } else { + /* Save all entries in archive to destination directory */ + err = mz_zip_reader_save_all(reader, destination); + + if (err == MZ_END_OF_LIST) { + if (pattern != NULL) { + printf("Files matching %s not found in archive\n", pattern); + } else { + printf("No files in archive\n"); + err = MZ_OK; + } + } else if (err != MZ_OK) { + printf("Error %" PRId32 " saving entries to disk %s\n", err, path); + } + } + + err_close = mz_zip_reader_close(reader); + if (err_close != MZ_OK) { + printf("Error %" PRId32 " closing archive for reading\n", err_close); + err = err_close; + } + + mz_zip_reader_delete(&reader); + return err; +} + +/***************************************************************************/ + +int32_t minizip_erase(const char *src_path, const char *target_path, int32_t arg_count, const char **args) { + mz_zip_file *file_info = NULL; + const char *filename_in_zip = NULL; + const char *target_path_ptr = target_path; + void *reader = NULL; + void *writer = NULL; + int32_t skip = 0; + int32_t err = MZ_OK; + int32_t i = 0; + uint8_t zip_cd = 0; + char bak_path[256]; + char tmp_path[256]; + + if (target_path == NULL) { + /* Construct temporary zip name */ + strncpy(tmp_path, src_path, sizeof(tmp_path) - 1); + tmp_path[sizeof(tmp_path) - 1] = 0; + strncat(tmp_path, ".tmp.zip", sizeof(tmp_path) - strlen(tmp_path) - 1); + target_path_ptr = tmp_path; + } + + mz_zip_reader_create(&reader); + mz_zip_writer_create(&writer); + + /* Open original archive we want to erase an entry in */ + err = mz_zip_reader_open_file(reader, src_path); + if (err != MZ_OK) { + printf("Error %" PRId32 " opening archive for reading %s\n", err, src_path); + mz_zip_reader_delete(&reader); + return err; + } + + /* Open temporary archive */ + err = mz_zip_writer_open_file(writer, target_path_ptr, 0, 0); + if (err != MZ_OK) { + printf("Error %" PRId32 " opening archive for writing %s\n", err, target_path_ptr); + mz_zip_reader_delete(&reader); + mz_zip_writer_delete(&writer); + return err; + } + + err = mz_zip_reader_goto_first_entry(reader); + + if (err != MZ_OK && err != MZ_END_OF_LIST) + printf("Error %" PRId32 " going to first entry in archive\n", err); + + while (err == MZ_OK) { + err = mz_zip_reader_entry_get_info(reader, &file_info); + if (err != MZ_OK) { + printf("Error %" PRId32 " getting info from archive\n", err); + break; + } + + /* Copy all entries from original archive to temporary archive + except the ones we don't want */ + for (i = 0, skip = 0; i < arg_count; i += 1) { + filename_in_zip = args[i]; + + if (mz_path_compare_wc(file_info->filename, filename_in_zip, 1) == MZ_OK) + skip = 1; + } + + if (skip) { + printf("Skipping %s\n", file_info->filename); + } else { + printf("Copying %s\n", file_info->filename); + err = mz_zip_writer_copy_from_reader(writer, reader); + } + + if (err != MZ_OK) { + printf("Error %" PRId32 " copying entry into new zip\n", err); + break; + } + + err = mz_zip_reader_goto_next_entry(reader); + + if (err != MZ_OK && err != MZ_END_OF_LIST) + printf("Error %" PRId32 " going to next entry in archive\n", err); + } + + mz_zip_reader_get_zip_cd(reader, &zip_cd); + mz_zip_writer_set_zip_cd(writer, zip_cd); + + mz_zip_reader_close(reader); + mz_zip_reader_delete(&reader); + + mz_zip_writer_close(writer); + mz_zip_writer_delete(&writer); + + if (err == MZ_END_OF_LIST) { + if (target_path == NULL) { + /* Swap original archive with temporary archive, backup old archive if possible */ + strncpy(bak_path, src_path, sizeof(bak_path) - 1); + bak_path[sizeof(bak_path) - 1] = 0; + strncat(bak_path, ".bak", sizeof(bak_path) - strlen(bak_path) - 1); + + if (mz_os_file_exists(bak_path) == MZ_OK) + mz_os_unlink(bak_path); + + if (mz_os_rename(src_path, bak_path) != MZ_OK) + printf("Error backing up archive before replacing %s\n", bak_path); + + if (mz_os_rename(tmp_path, src_path) != MZ_OK) + printf("Error replacing archive with temp %s\n", tmp_path); + } + + return MZ_OK; + } + + return err; +} + +/***************************************************************************/ + +#if !defined(MZ_ZIP_NO_MAIN) +int main(int argc, const char *argv[]) { + minizip_opt options; + int32_t path_arg = 0; + int32_t err = 0; + int32_t i = 0; + uint8_t do_list = 0; + uint8_t do_extract = 0; + uint8_t do_erase = 0; + const char *path = NULL; + const char *password = NULL; + const char *destination = NULL; + const char *filename_to_extract = NULL; + + + minizip_banner(); + if (argc == 1) { + minizip_help(); + return 0; + } + + memset(&options, 0, sizeof(options)); + + options.compress_method = MZ_COMPRESS_METHOD_DEFLATE; + options.compress_level = MZ_COMPRESS_LEVEL_DEFAULT; + + /* Parse command line options */ + for (i = 1; i < argc; i += 1) { + printf("%s ", argv[i]); + if (argv[i][0] == '-') { + char c = argv[i][1]; + if ((c == 'l') || (c == 'L')) + do_list = 1; + else if ((c == 'x') || (c == 'X')) + do_extract = 1; + else if ((c == 'e') || (c == 'E')) + do_erase = 1; + else if ((c == 'a') || (c == 'A')) + options.append = 1; + else if ((c == 'o') || (c == 'O')) + options.overwrite = 1; + else if ((c == 'f') || (c == 'F')) + options.follow_links = 1; + else if ((c == 'y') || (c == 'Y')) + options.store_links = 1; + else if ((c == 'i') || (c == 'I')) + options.include_path = 1; + else if ((c == 'z') || (c == 'Z')) + options.zip_cd = 1; + else if ((c == 'v') || (c == 'V')) + options.verbose = 1; + else if ((c >= '0') && (c <= '9')) { + options.compress_level = (c - '0'); + if (options.compress_level == 0) + options.compress_method = MZ_COMPRESS_METHOD_STORE; + } else if ((c == 'b') || (c == 'B')) +#ifdef HAVE_BZIP2 + options.compress_method = MZ_COMPRESS_METHOD_BZIP2; +#else + err = MZ_SUPPORT_ERROR; +#endif + else if ((c == 'm') || (c == 'M')) +#ifdef HAVE_LZMA + options.compress_method = MZ_COMPRESS_METHOD_LZMA; +#else + err = MZ_SUPPORT_ERROR; +#endif + else if ((c == 'n') || (c == 'N')) +#if defined(HAVE_LZMA) || defined(HAVE_LIBCOMP) + options.compress_method = MZ_COMPRESS_METHOD_XZ; +#else + err = MZ_SUPPORT_ERROR; +#endif + else if ((c == 't') || (c == 'T')) +#ifdef HAVE_ZSTD + options.compress_method = MZ_COMPRESS_METHOD_ZSTD; +#else + err = MZ_SUPPORT_ERROR; +#endif + else if ((c == 's') || (c == 'S')) +#ifdef HAVE_WZAES + options.aes = 1; +#else + err = MZ_SUPPORT_ERROR; +#endif + else if (((c == 'h') || (c == 'H')) && (i + 1 < argc)) { +#ifdef MZ_ZIP_SIGNING + options.cert_path = argv[i + 1]; + printf("%s ", argv[i + 1]); +#else + err = MZ_SUPPORT_ERROR; +#endif + i += 1; + } else if (((c == 'w') || (c == 'W')) && (i + 1 < argc)) { +#ifdef MZ_ZIP_SIGNING + options.cert_pwd = argv[i + 1]; + printf("%s ", argv[i + 1]); +#else + err = MZ_SUPPORT_ERROR; +#endif + i += 1; + } else if (((c == 'c') || (c == 'C')) && (i + 1 < argc)) { + options.encoding = (int32_t)atoi(argv[i + 1]); + i += 1; + } else if (((c == 'k') || (c == 'K')) && (i + 1 < argc)) { + options.disk_size = (int64_t)atoi(argv[i + 1]) * 1024; + printf("%s ", argv[i + 1]); + i += 1; + } else if (((c == 'd') || (c == 'D')) && (i + 1 < argc)) { + destination = argv[i + 1]; + printf("%s ", argv[i + 1]); + i += 1; + } else if (((c == 'p') || (c == 'P')) && (i + 1 < argc)) { +#ifndef MZ_ZIP_NO_ENCRYPTION + password = argv[i + 1]; + printf("*** "); +#else + err = MZ_SUPPORT_ERROR; +#endif + i += 1; + } + } else if (path_arg == 0) + path_arg = i; + } + printf("\n"); + + if (err == MZ_SUPPORT_ERROR) { + printf("Feature not supported\n"); + return err; + } + + if (path_arg == 0) { + minizip_help(); + return 0; + } + + path = argv[path_arg]; + + if (do_list) { + /* List archive contents */ + err = minizip_list(path); + } else if (do_extract) { + if (argc > path_arg + 1) + filename_to_extract = argv[path_arg + 1]; + + /* Extract archive */ + err = minizip_extract(path, filename_to_extract, destination, password, &options); + } else if (do_erase) { + /* Erase file in archive */ + err = minizip_erase(path, NULL, argc - (path_arg + 1), &argv[path_arg + 1]); + } else { + /* Add files to archive */ + err = minizip_add(path, password, &options, argc - (path_arg + 1), &argv[path_arg + 1]); + } + + return err; +} +#endif diff --git a/Externals/minizip/minizip.pc.cmakein b/Externals/minizip/minizip.pc.cmakein new file mode 100644 index 0000000000..d965a346c5 --- /dev/null +++ b/Externals/minizip/minizip.pc.cmakein @@ -0,0 +1,14 @@ +prefix=@CMAKE_INSTALL_PREFIX@ +exec_prefix=@CMAKE_INSTALL_PREFIX@ +libdir=@CMAKE_INSTALL_FULL_LIBDIR@ +sharedlibdir=@CMAKE_INSTALL_FULL_LIBDIR@ +includedir=@CMAKE_INSTALL_FULL_INCLUDEDIR@ + +Name: @PROJECT_NAME@ +Description: Minizip zip file manipulation library +Version: @VERSION@ + +Requires: zlib +Libs: -L${libdir} -L${sharedlibdir} -l@PROJECT_NAME@ +Libs.private:@PC_PRIVATE_LIBS@ +Cflags: -I${includedir} diff --git a/Externals/minizip/minizip.vcxproj b/Externals/minizip/minizip.vcxproj index fe499a0825..e454f85ed8 100644 --- a/Externals/minizip/minizip.vcxproj +++ b/Externals/minizip/minizip.vcxproj @@ -17,19 +17,41 @@ <PropertyGroup Label="UserMacros" /> <ItemDefinitionGroup> <ClCompile> - <PreprocessorDefinitions>NOUNCRYPT;%(PreprocessorDefinitions)</PreprocessorDefinitions> + <PreprocessorDefinitions>HAVE_ZLIB;ZLIB_COMPAT;MZ_ZIP_NO_CRYPTO;MZ_ZIP_NO_ENCRYPTION;HAVE_STDINT_H;HAVE_INTTYPES_H;NO_FSEEKO;%(PreprocessorDefinitions)</PreprocessorDefinitions> </ClCompile> </ItemDefinitionGroup> <ItemGroup> <Text Include="CMakeLists.txt" /> </ItemGroup> <ItemGroup> - <ClCompile Include="ioapi.c" /> - <ClCompile Include="unzip.c" /> + <ClCompile Include="mz_compat.c" /> + <ClCompile Include="mz_crypt.c" /> + <ClCompile Include="mz_os.c" /> + <ClCompile Include="mz_os_win32.c" /> + <ClCompile Include="mz_strm.c" /> + <ClCompile Include="mz_strm_buf.c" /> + <ClCompile Include="mz_strm_mem.c" /> + <ClCompile Include="mz_strm_os_win32.c" /> + <ClCompile Include="mz_strm_split.c" /> + <ClCompile Include="mz_strm_zlib.c" /> + <ClCompile Include="mz_zip.c" /> + <ClCompile Include="mz_zip_rw.c" /> </ItemGroup> <ItemGroup> - <ClInclude Include="ioapi.h" /> + <ClInclude Include="mz.h" /> + <ClInclude Include="mz_compat.h" /> + <ClInclude Include="mz_crypt.h" /> + <ClInclude Include="mz_os.h" /> + <ClInclude Include="mz_strm.h" /> + <ClInclude Include="mz_strm_buf.h" /> + <ClInclude Include="mz_strm_mem.h" /> + <ClInclude Include="mz_strm_os.h" /> + <ClInclude Include="mz_strm_split.h" /> + <ClInclude Include="mz_strm_zlib.h" /> + <ClInclude Include="mz_zip.h" /> + <ClInclude Include="mz_zip_rw.h" /> <ClInclude Include="unzip.h" /> + <ClInclude Include="zip.h" /> </ItemGroup> <ItemGroup> <None Include="LICENSE" /> diff --git a/Externals/minizip/mz.h b/Externals/minizip/mz.h new file mode 100644 index 0000000000..82a14a23e0 --- /dev/null +++ b/Externals/minizip/mz.h @@ -0,0 +1,274 @@ +/* mz.h -- Errors codes, zip flags and magic + part of the minizip-ng project + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. +*/ + +#ifndef MZ_H +#define MZ_H + +/***************************************************************************/ + +/* MZ_VERSION */ +#define MZ_VERSION ("3.0.4") +#define MZ_VERSION_BUILD (030004) + +/* MZ_ERROR */ +#define MZ_OK (0) /* zlib */ +#define MZ_STREAM_ERROR (-1) /* zlib */ +#define MZ_DATA_ERROR (-3) /* zlib */ +#define MZ_MEM_ERROR (-4) /* zlib */ +#define MZ_BUF_ERROR (-5) /* zlib */ +#define MZ_VERSION_ERROR (-6) /* zlib */ + +#define MZ_END_OF_LIST (-100) +#define MZ_END_OF_STREAM (-101) + +#define MZ_PARAM_ERROR (-102) +#define MZ_FORMAT_ERROR (-103) +#define MZ_INTERNAL_ERROR (-104) +#define MZ_CRC_ERROR (-105) +#define MZ_CRYPT_ERROR (-106) +#define MZ_EXIST_ERROR (-107) +#define MZ_PASSWORD_ERROR (-108) +#define MZ_SUPPORT_ERROR (-109) +#define MZ_HASH_ERROR (-110) +#define MZ_OPEN_ERROR (-111) +#define MZ_CLOSE_ERROR (-112) +#define MZ_SEEK_ERROR (-113) +#define MZ_TELL_ERROR (-114) +#define MZ_READ_ERROR (-115) +#define MZ_WRITE_ERROR (-116) +#define MZ_SIGN_ERROR (-117) +#define MZ_SYMLINK_ERROR (-118) + +/* MZ_OPEN */ +#define MZ_OPEN_MODE_READ (0x01) +#define MZ_OPEN_MODE_WRITE (0x02) +#define MZ_OPEN_MODE_READWRITE (MZ_OPEN_MODE_READ | MZ_OPEN_MODE_WRITE) +#define MZ_OPEN_MODE_APPEND (0x04) +#define MZ_OPEN_MODE_CREATE (0x08) +#define MZ_OPEN_MODE_EXISTING (0x10) + +/* MZ_SEEK */ +#define MZ_SEEK_SET (0) +#define MZ_SEEK_CUR (1) +#define MZ_SEEK_END (2) + +/* MZ_COMPRESS */ +#define MZ_COMPRESS_METHOD_STORE (0) +#define MZ_COMPRESS_METHOD_DEFLATE (8) +#define MZ_COMPRESS_METHOD_BZIP2 (12) +#define MZ_COMPRESS_METHOD_LZMA (14) +#define MZ_COMPRESS_METHOD_ZSTD (93) +#define MZ_COMPRESS_METHOD_XZ (95) +#define MZ_COMPRESS_METHOD_AES (99) + +#define MZ_COMPRESS_LEVEL_DEFAULT (-1) +#define MZ_COMPRESS_LEVEL_FAST (2) +#define MZ_COMPRESS_LEVEL_NORMAL (6) +#define MZ_COMPRESS_LEVEL_BEST (9) + +/* MZ_ZIP_FLAG */ +#define MZ_ZIP_FLAG_ENCRYPTED (1 << 0) +#define MZ_ZIP_FLAG_LZMA_EOS_MARKER (1 << 1) +#define MZ_ZIP_FLAG_DEFLATE_MAX (1 << 1) +#define MZ_ZIP_FLAG_DEFLATE_NORMAL (0) +#define MZ_ZIP_FLAG_DEFLATE_FAST (1 << 2) +#define MZ_ZIP_FLAG_DEFLATE_SUPER_FAST (MZ_ZIP_FLAG_DEFLATE_FAST | \ + MZ_ZIP_FLAG_DEFLATE_MAX) +#define MZ_ZIP_FLAG_DATA_DESCRIPTOR (1 << 3) +#define MZ_ZIP_FLAG_UTF8 (1 << 11) +#define MZ_ZIP_FLAG_MASK_LOCAL_INFO (1 << 13) + +/* MZ_ZIP_EXTENSION */ +#define MZ_ZIP_EXTENSION_ZIP64 (0x0001) +#define MZ_ZIP_EXTENSION_NTFS (0x000a) +#define MZ_ZIP_EXTENSION_AES (0x9901) +#define MZ_ZIP_EXTENSION_UNIX1 (0x000d) +#define MZ_ZIP_EXTENSION_SIGN (0x10c5) +#define MZ_ZIP_EXTENSION_HASH (0x1a51) +#define MZ_ZIP_EXTENSION_CDCD (0xcdcd) + +/* MZ_ZIP64 */ +#define MZ_ZIP64_AUTO (0) +#define MZ_ZIP64_FORCE (1) +#define MZ_ZIP64_DISABLE (2) + +/* MZ_HOST_SYSTEM */ +#define MZ_HOST_SYSTEM(VERSION_MADEBY) ((uint8_t)(VERSION_MADEBY >> 8)) +#define MZ_HOST_SYSTEM_MSDOS (0) +#define MZ_HOST_SYSTEM_UNIX (3) +#define MZ_HOST_SYSTEM_WINDOWS_NTFS (10) +#define MZ_HOST_SYSTEM_RISCOS (13) +#define MZ_HOST_SYSTEM_OSX_DARWIN (19) + +/* MZ_PKCRYPT */ +#define MZ_PKCRYPT_HEADER_SIZE (12) + +/* MZ_AES */ +#define MZ_AES_VERSION (1) +#define MZ_AES_ENCRYPTION_MODE_128 (0x01) +#define MZ_AES_ENCRYPTION_MODE_192 (0x02) +#define MZ_AES_ENCRYPTION_MODE_256 (0x03) +#define MZ_AES_KEY_LENGTH(MODE) (8 * (MODE & 3) + 8) +#define MZ_AES_KEY_LENGTH_MAX (32) +#define MZ_AES_BLOCK_SIZE (16) +#define MZ_AES_HEADER_SIZE(MODE) ((4 * (MODE & 3) + 4) + 2) +#define MZ_AES_FOOTER_SIZE (10) + +/* MZ_HASH */ +#define MZ_HASH_MD5 (10) +#define MZ_HASH_MD5_SIZE (16) +#define MZ_HASH_SHA1 (20) +#define MZ_HASH_SHA1_SIZE (20) +#define MZ_HASH_SHA256 (23) +#define MZ_HASH_SHA256_SIZE (32) +#define MZ_HASH_MAX_SIZE (256) + +/* MZ_ENCODING */ +#define MZ_ENCODING_CODEPAGE_437 (437) +#define MZ_ENCODING_CODEPAGE_932 (932) +#define MZ_ENCODING_CODEPAGE_936 (936) +#define MZ_ENCODING_CODEPAGE_950 (950) +#define MZ_ENCODING_UTF8 (65001) + +/* MZ_UTILITY */ +#define MZ_UNUSED(SYMBOL) ((void)SYMBOL) + +#ifndef MZ_CUSTOM_ALLOC +#define MZ_ALLOC(SIZE) (malloc((SIZE))) +#endif +#ifndef MZ_CUSTOM_FREE +#define MZ_FREE(PTR) (free(PTR)) +#endif + +#if defined(_WIN32) && defined(MZ_EXPORTS) +#define MZ_EXPORT __declspec(dllexport) +#else +#define MZ_EXPORT +#endif + +/***************************************************************************/ + +#include <stdlib.h> /* size_t, NULL, malloc */ +#include <time.h> /* time_t, time() */ +#include <string.h> /* memset, strncpy, strlen */ +#include <limits.h> + +#if defined(HAVE_STDINT_H) +# include <stdint.h> +#elif defined(__has_include) +# if __has_include(<stdint.h>) +# include <stdint.h> +# endif +#endif + +#ifndef INT8_MAX +typedef signed char int8_t; +#endif +#ifndef INT16_MAX +typedef short int16_t; +#endif +#ifndef INT32_MAX +typedef int int32_t; +#endif +#ifndef INT64_MAX +typedef long long int64_t; +#endif +#ifndef UINT8_MAX +typedef unsigned char uint8_t; +#endif +#ifndef UINT16_MAX +typedef unsigned short uint16_t; +#endif +#ifndef UINT32_MAX +typedef unsigned int uint32_t; +#endif +#ifndef UINT64_MAX +typedef unsigned long long uint64_t; +#endif + +#if defined(HAVE_INTTYPES_H) +# include <inttypes.h> +#elif defined(__has_include) +# if __has_include(<inttypes.h>) +# include <inttypes.h> +# endif +#endif + +#ifndef PRId8 +# define PRId8 "hhd" +#endif +#ifndef PRIu8 +# define PRIu8 "hhu" +#endif +#ifndef PRIx8 +# define PRIx8 "hhx" +#endif +#ifndef PRId16 +# define PRId16 "hd" +#endif +#ifndef PRIu16 +# define PRIu16 "hu" +#endif +#ifndef PRIx16 +# define PRIx16 "hx" +#endif +#ifndef PRId32 +# define PRId32 "d" +#endif +#ifndef PRIu32 +# define PRIu32 "u" +#endif +#ifndef PRIx32 +# define PRIx32 "x" +#endif +#if ULONG_MAX == 0xfffffffful +# ifndef PRId64 +# define PRId64 "ld" +# endif +# ifndef PRIu64 +# define PRIu64 "lu" +# endif +# ifndef PRIx64 +# define PRIx64 "lx" +# endif +#else +# ifndef PRId64 +# define PRId64 "lld" +# endif +# ifndef PRIu64 +# define PRIu64 "llu" +# endif +# ifndef PRIx64 +# define PRIx64 "llx" +# endif +#endif + +#ifndef INT16_MAX +# define INT16_MAX 32767 +#endif +#ifndef INT32_MAX +# define INT32_MAX 2147483647L +#endif +#ifndef INT64_MAX +# define INT64_MAX 9223372036854775807LL +#endif +#ifndef UINT16_MAX +# define UINT16_MAX 65535U +#endif +#ifndef UINT32_MAX +# define UINT32_MAX 4294967295UL +#endif +#ifndef UINT64_MAX +# define UINT64_MAX 18446744073709551615ULL +#endif + +/***************************************************************************/ + +#endif diff --git a/Externals/minizip/mz_compat.c b/Externals/minizip/mz_compat.c new file mode 100644 index 0000000000..5a08046a7f --- /dev/null +++ b/Externals/minizip/mz_compat.c @@ -0,0 +1,1303 @@ +/* mz_compat.c -- Backwards compatible interface for older versions + part of the minizip-ng project + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + Copyright (C) 1998-2010 Gilles Vollant + https://www.winimage.com/zLibDll/minizip.html + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. +*/ + + +#include "mz.h" +#include "mz_os.h" +#include "mz_strm.h" +#include "mz_strm_mem.h" +#include "mz_strm_os.h" +#include "mz_strm_zlib.h" +#include "mz_zip.h" + +#include <stdio.h> /* SEEK */ + +#include "mz_compat.h" + +/***************************************************************************/ + +typedef struct mz_compat_s { + void *stream; + void *handle; + uint64_t entry_index; + int64_t entry_pos; + int64_t total_out; +} mz_compat; + +/***************************************************************************/ + +typedef struct mz_stream_ioapi_s { + mz_stream stream; + void *handle; + zlib_filefunc_def filefunc; + zlib_filefunc64_def filefunc64; +} mz_stream_ioapi; + +/***************************************************************************/ + +static int32_t mz_stream_ioapi_open(void *stream, const char *path, int32_t mode); +static int32_t mz_stream_ioapi_is_open(void *stream); +static int32_t mz_stream_ioapi_read(void *stream, void *buf, int32_t size); +static int32_t mz_stream_ioapi_write(void *stream, const void *buf, int32_t size); +static int64_t mz_stream_ioapi_tell(void *stream); +static int32_t mz_stream_ioapi_seek(void *stream, int64_t offset, int32_t origin); +static int32_t mz_stream_ioapi_close(void *stream); +static int32_t mz_stream_ioapi_error(void *stream); +static void *mz_stream_ioapi_create(void **stream); +static void mz_stream_ioapi_delete(void **stream); + +/***************************************************************************/ + +static mz_stream_vtbl mz_stream_ioapi_vtbl = { + mz_stream_ioapi_open, + mz_stream_ioapi_is_open, + mz_stream_ioapi_read, + mz_stream_ioapi_write, + mz_stream_ioapi_tell, + mz_stream_ioapi_seek, + mz_stream_ioapi_close, + mz_stream_ioapi_error, + mz_stream_ioapi_create, + mz_stream_ioapi_delete, + NULL, + NULL +}; + +/***************************************************************************/ + +static int32_t mz_stream_ioapi_open(void *stream, const char *path, int32_t mode) { + mz_stream_ioapi *ioapi = (mz_stream_ioapi *)stream; + int32_t ioapi_mode = 0; + + if ((mode & MZ_OPEN_MODE_READWRITE) == MZ_OPEN_MODE_READ) + ioapi_mode = ZLIB_FILEFUNC_MODE_READ; + else if (mode & MZ_OPEN_MODE_APPEND) + ioapi_mode = ZLIB_FILEFUNC_MODE_EXISTING; + else if (mode & MZ_OPEN_MODE_CREATE) + ioapi_mode = ZLIB_FILEFUNC_MODE_CREATE; + else + return MZ_OPEN_ERROR; + + if (ioapi->filefunc64.zopen64_file != NULL) + ioapi->handle = ioapi->filefunc64.zopen64_file(ioapi->filefunc64.opaque, path, ioapi_mode); + else if (ioapi->filefunc.zopen_file != NULL) + ioapi->handle = ioapi->filefunc.zopen_file(ioapi->filefunc.opaque, path, ioapi_mode); + + if (ioapi->handle == NULL) + return MZ_PARAM_ERROR; + + return MZ_OK; +} + +static int32_t mz_stream_ioapi_is_open(void *stream) { + mz_stream_ioapi *ioapi = (mz_stream_ioapi *)stream; + if (ioapi->handle == NULL) + return MZ_OPEN_ERROR; + return MZ_OK; +} + +static int32_t mz_stream_ioapi_read(void *stream, void *buf, int32_t size) { + mz_stream_ioapi *ioapi = (mz_stream_ioapi *)stream; + read_file_func zread = NULL; + void *opaque = NULL; + + if (mz_stream_ioapi_is_open(stream) != MZ_OK) + return MZ_OPEN_ERROR; + + if (ioapi->filefunc64.zread_file != NULL) { + zread = ioapi->filefunc64.zread_file; + opaque = ioapi->filefunc64.opaque; + } else if (ioapi->filefunc.zread_file != NULL) { + zread = ioapi->filefunc.zread_file; + opaque = ioapi->filefunc.opaque; + } else + return MZ_PARAM_ERROR; + + return zread(opaque, ioapi->handle, buf, size); +} + +static int32_t mz_stream_ioapi_write(void *stream, const void *buf, int32_t size) { + mz_stream_ioapi *ioapi = (mz_stream_ioapi *)stream; + write_file_func zwrite = NULL; + int32_t written = 0; + void *opaque = NULL; + + if (mz_stream_ioapi_is_open(stream) != MZ_OK) + return MZ_OPEN_ERROR; + + if (ioapi->filefunc64.zwrite_file != NULL) { + zwrite = ioapi->filefunc64.zwrite_file; + opaque = ioapi->filefunc64.opaque; + } else if (ioapi->filefunc.zwrite_file != NULL) { + zwrite = ioapi->filefunc.zwrite_file; + opaque = ioapi->filefunc.opaque; + } else + return MZ_PARAM_ERROR; + + written = zwrite(opaque, ioapi->handle, buf, size); + return written; +} + +static int64_t mz_stream_ioapi_tell(void *stream) { + mz_stream_ioapi *ioapi = (mz_stream_ioapi *)stream; + + if (mz_stream_ioapi_is_open(stream) != MZ_OK) + return MZ_OPEN_ERROR; + + if (ioapi->filefunc64.ztell64_file != NULL) + return ioapi->filefunc64.ztell64_file(ioapi->filefunc64.opaque, ioapi->handle); + else if (ioapi->filefunc.ztell_file != NULL) + return ioapi->filefunc.ztell_file(ioapi->filefunc.opaque, ioapi->handle); + + return MZ_INTERNAL_ERROR; +} + +static int32_t mz_stream_ioapi_seek(void *stream, int64_t offset, int32_t origin) { + mz_stream_ioapi *ioapi = (mz_stream_ioapi *)stream; + int32_t written = 0; + void *opaque = NULL; + + if (mz_stream_ioapi_is_open(stream) != MZ_OK) + return MZ_OPEN_ERROR; + + if (ioapi->filefunc64.zseek64_file != NULL) { + if (ioapi->filefunc64.zseek64_file(ioapi->filefunc64.opaque, ioapi->handle, offset, origin) != 0) + return MZ_INTERNAL_ERROR; + } else if (ioapi->filefunc.zseek_file != NULL) { + if (ioapi->filefunc.zseek_file(ioapi->filefunc.opaque, ioapi->handle, (int32_t)offset, origin) != 0) + return MZ_INTERNAL_ERROR; + } else + return MZ_PARAM_ERROR; + + return MZ_OK; +} + +static int32_t mz_stream_ioapi_close(void *stream) { + mz_stream_ioapi *ioapi = (mz_stream_ioapi *)stream; + close_file_func zclose = NULL; + void *opaque = NULL; + + if (mz_stream_ioapi_is_open(stream) != MZ_OK) + return MZ_OPEN_ERROR; + + if (ioapi->filefunc.zclose_file != NULL) { + zclose = ioapi->filefunc.zclose_file; + opaque = ioapi->filefunc.opaque; + } else if (ioapi->filefunc64.zclose_file != NULL) { + zclose = ioapi->filefunc64.zclose_file; + opaque = ioapi->filefunc64.opaque; + } else + return MZ_PARAM_ERROR; + + if (zclose(opaque, ioapi->handle) != 0) + return MZ_CLOSE_ERROR; + ioapi->handle = NULL; + return MZ_OK; +} + +static int32_t mz_stream_ioapi_error(void *stream) { + mz_stream_ioapi *ioapi = (mz_stream_ioapi *)stream; + testerror_file_func zerror = NULL; + void *opaque = NULL; + + if (mz_stream_ioapi_is_open(stream) != MZ_OK) + return MZ_OPEN_ERROR; + + if (ioapi->filefunc.zerror_file != NULL) { + zerror = ioapi->filefunc.zerror_file; + opaque = ioapi->filefunc.opaque; + } else if (ioapi->filefunc64.zerror_file != NULL) { + zerror = ioapi->filefunc64.zerror_file; + opaque = ioapi->filefunc64.opaque; + } else + return MZ_PARAM_ERROR; + + return zerror(opaque, ioapi->handle); +} + +static int32_t mz_stream_ioapi_set_filefunc(void *stream, zlib_filefunc_def *filefunc) { + mz_stream_ioapi *ioapi = (mz_stream_ioapi *)stream; + memcpy(&ioapi->filefunc, filefunc, sizeof(zlib_filefunc_def)); + return MZ_OK; +} + +static int32_t mz_stream_ioapi_set_filefunc64(void *stream, zlib_filefunc64_def *filefunc) { + mz_stream_ioapi *ioapi = (mz_stream_ioapi *)stream; + memcpy(&ioapi->filefunc64, filefunc, sizeof(zlib_filefunc64_def)); + return MZ_OK; +} + +static void *mz_stream_ioapi_create(void **stream) { + mz_stream_ioapi *ioapi = NULL; + + ioapi = (mz_stream_ioapi *)MZ_ALLOC(sizeof(mz_stream_ioapi)); + if (ioapi != NULL) { + memset(ioapi, 0, sizeof(mz_stream_ioapi)); + ioapi->stream.vtbl = &mz_stream_ioapi_vtbl; + } + if (stream != NULL) + *stream = ioapi; + + return ioapi; +} + +static void mz_stream_ioapi_delete(void **stream) { + mz_stream_ioapi *ioapi = NULL; + if (stream == NULL) + return; + ioapi = (mz_stream_ioapi *)*stream; + if (ioapi != NULL) + MZ_FREE(ioapi); + *stream = NULL; +} + +/***************************************************************************/ + +void fill_fopen_filefunc(zlib_filefunc_def *pzlib_filefunc_def) { + /* For 32-bit file support only, compile with MZ_FILE32_API */ + if (pzlib_filefunc_def != NULL) + memset(pzlib_filefunc_def, 0, sizeof(zlib_filefunc_def)); +} + +void fill_fopen64_filefunc(zlib_filefunc64_def *pzlib_filefunc_def) { + /* All mz_stream_os_* support large files if compilation supports it */ + if (pzlib_filefunc_def != NULL) + memset(pzlib_filefunc_def, 0, sizeof(zlib_filefunc64_def)); +} + +void fill_win32_filefunc(zlib_filefunc_def *pzlib_filefunc_def) { + /* Handled by mz_stream_os_win32 */ + if (pzlib_filefunc_def != NULL) + memset(pzlib_filefunc_def, 0, sizeof(zlib_filefunc_def)); +} + +void fill_win32_filefunc64(zlib_filefunc64_def *pzlib_filefunc_def) { + /* Automatically supported in mz_stream_os_win32 */ + if (pzlib_filefunc_def != NULL) + memset(pzlib_filefunc_def, 0, sizeof(zlib_filefunc64_def)); +} + +void fill_win32_filefunc64A(zlib_filefunc64_def *pzlib_filefunc_def) { + /* Automatically supported in mz_stream_os_win32 */ + if (pzlib_filefunc_def != NULL) + memset(pzlib_filefunc_def, 0, sizeof(zlib_filefunc64_def)); +} + +/* NOTE: fill_win32_filefunc64W is no longer necessary since wide-character + support is automatically handled by the underlying os stream. Do not + pass wide-characters to zipOpen or unzOpen. */ + +void fill_memory_filefunc(zlib_filefunc_def *pzlib_filefunc_def) { + /* Use opaque to indicate which stream interface to create */ + if (pzlib_filefunc_def != NULL) { + memset(pzlib_filefunc_def, 0, sizeof(zlib_filefunc_def)); + pzlib_filefunc_def->opaque = mz_stream_mem_get_interface(); + } +} + +/***************************************************************************/ + +static int32_t zipConvertAppendToStreamMode(int append) { + int32_t mode = MZ_OPEN_MODE_WRITE; + switch (append) { + case APPEND_STATUS_CREATE: + mode |= MZ_OPEN_MODE_CREATE; + break; + case APPEND_STATUS_CREATEAFTER: + mode |= MZ_OPEN_MODE_CREATE | MZ_OPEN_MODE_APPEND; + break; + case APPEND_STATUS_ADDINZIP: + mode |= MZ_OPEN_MODE_READ | MZ_OPEN_MODE_APPEND; + break; + } + return mode; +} + +zipFile zipOpen(const char *path, int append) { + return zipOpen2(path, append, NULL, NULL); +} + +zipFile zipOpen64(const void *path, int append) { + return zipOpen2(path, append, NULL, NULL); +} + +zipFile zipOpen2(const char *path, int append, const char **globalcomment, + zlib_filefunc_def *pzlib_filefunc_def) { + zipFile zip = NULL; + int32_t mode = zipConvertAppendToStreamMode(append); + void *stream = NULL; + + if (pzlib_filefunc_def) { + if (pzlib_filefunc_def->zopen_file != NULL) { + if (mz_stream_ioapi_create(&stream) == NULL) + return NULL; + mz_stream_ioapi_set_filefunc(stream, pzlib_filefunc_def); + } else if (pzlib_filefunc_def->opaque != NULL) { + if (mz_stream_create(&stream, (mz_stream_vtbl *)pzlib_filefunc_def->opaque) == NULL) + return NULL; + } + } + + if (stream == NULL) { + if (mz_stream_os_create(&stream) == NULL) + return NULL; + } + + if (mz_stream_open(stream, path, mode) != MZ_OK) { + mz_stream_delete(&stream); + return NULL; + } + + zip = zipOpen_MZ(stream, append, globalcomment); + + if (zip == NULL) { + mz_stream_delete(&stream); + return NULL; + } + + return zip; +} + +zipFile zipOpen2_64(const void *path, int append, const char **globalcomment, + zlib_filefunc64_def *pzlib_filefunc_def) { + zipFile zip = NULL; + int32_t mode = zipConvertAppendToStreamMode(append); + void *stream = NULL; + + if (pzlib_filefunc_def) { + if (pzlib_filefunc_def->zopen64_file != NULL) { + if (mz_stream_ioapi_create(&stream) == NULL) + return NULL; + mz_stream_ioapi_set_filefunc64(stream, pzlib_filefunc_def); + } else if (pzlib_filefunc_def->opaque != NULL) { + if (mz_stream_create(&stream, (mz_stream_vtbl *)pzlib_filefunc_def->opaque) == NULL) + return NULL; + } + } + + if (stream == NULL) { + if (mz_stream_os_create(&stream) == NULL) + return NULL; + } + + if (mz_stream_open(stream, path, mode) != MZ_OK) { + mz_stream_delete(&stream); + return NULL; + } + + zip = zipOpen_MZ(stream, append, globalcomment); + + if (zip == NULL) { + mz_stream_delete(&stream); + return NULL; + } + + return zip; +} + +zipFile zipOpen_MZ(void *stream, int append, const char **globalcomment) { + mz_compat *compat = NULL; + int32_t err = MZ_OK; + int32_t mode = zipConvertAppendToStreamMode(append); + void *handle = NULL; + + mz_zip_create(&handle); + err = mz_zip_open(handle, stream, mode); + + if (err != MZ_OK) { + mz_zip_delete(&handle); + return NULL; + } + + if (globalcomment != NULL) + mz_zip_get_comment(handle, globalcomment); + + compat = (mz_compat *)MZ_ALLOC(sizeof(mz_compat)); + if (compat != NULL) { + compat->handle = handle; + compat->stream = stream; + } else { + mz_zip_delete(&handle); + } + + return (zipFile)compat; +} + +void* zipGetHandle_MZ(zipFile file) { + mz_compat *compat = (mz_compat *)file; + if (compat == NULL) + return NULL; + return compat->handle; +} + +void* zipGetStream_MZ(zipFile file) { + mz_compat *compat = (mz_compat *)file; + if (compat == NULL) + return NULL; + return (void *)compat->stream; +} + +int zipOpenNewFileInZip5(zipFile file, const char *filename, const zip_fileinfo *zipfi, + const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global, + uint16_t size_extrafield_global, const char *comment, int compression_method, int level, + int raw, int windowBits, int memLevel, int strategy, const char *password, + unsigned long crc_for_crypting, unsigned long version_madeby, unsigned long flag_base, int zip64) { + mz_compat *compat = (mz_compat *)file; + mz_zip_file file_info; + + MZ_UNUSED(strategy); + MZ_UNUSED(memLevel); + MZ_UNUSED(windowBits); + MZ_UNUSED(size_extrafield_local); + MZ_UNUSED(extrafield_local); + MZ_UNUSED(crc_for_crypting); + + if (compat == NULL) + return ZIP_PARAMERROR; + + memset(&file_info, 0, sizeof(file_info)); + + if (zipfi != NULL) { + uint64_t dos_date = 0; + + if (zipfi->mz_dos_date != 0) + dos_date = zipfi->mz_dos_date; + else + dos_date = mz_zip_tm_to_dosdate(&zipfi->tmz_date); + + file_info.modified_date = mz_zip_dosdate_to_time_t(dos_date); + file_info.external_fa = zipfi->external_fa; + file_info.internal_fa = zipfi->internal_fa; + } + + if (filename == NULL) + filename = "-"; + + file_info.compression_method = (uint16_t)compression_method; + file_info.filename = filename; + /* file_info.extrafield_local = extrafield_local; */ + /* file_info.extrafield_local_size = size_extrafield_local; */ + file_info.extrafield = extrafield_global; + file_info.extrafield_size = size_extrafield_global; + file_info.version_madeby = (uint16_t)version_madeby; + file_info.comment = comment; + if (file_info.comment != NULL) + file_info.comment_size = (uint16_t)strlen(file_info.comment); + file_info.flag = (uint16_t)flag_base; + if (zip64) + file_info.zip64 = MZ_ZIP64_FORCE; + else + file_info.zip64 = MZ_ZIP64_DISABLE; +#ifdef HAVE_WZAES + if ((password != NULL) || (raw && (file_info.flag & MZ_ZIP_FLAG_ENCRYPTED))) + file_info.aes_version = MZ_AES_VERSION; +#endif + + return mz_zip_entry_write_open(compat->handle, &file_info, (int16_t)level, (uint8_t)raw, password); +} + +int zipOpenNewFileInZip4_64(zipFile file, const char *filename, const zip_fileinfo *zipfi, + const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global, + uint16_t size_extrafield_global, const char *comment, int compression_method, int level, + int raw, int windowBits, int memLevel, int strategy, const char *password, + unsigned long crc_for_crypting, unsigned long version_madeby, unsigned long flag_base, int zip64) { + return zipOpenNewFileInZip5(file, filename, zipfi, extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, comment, compression_method, level, raw, windowBits, + memLevel, strategy, password, crc_for_crypting, version_madeby, flag_base, zip64); +} + +int zipOpenNewFileInZip4(zipFile file, const char *filename, const zip_fileinfo *zipfi, + const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global, + uint16_t size_extrafield_global, const char *comment, int compression_method, int level, + int raw, int windowBits, int memLevel, int strategy, const char *password, + unsigned long crc_for_crypting, unsigned long version_madeby, unsigned long flag_base) { + return zipOpenNewFileInZip4_64(file, filename, zipfi, extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, comment, compression_method, level, raw, windowBits, + memLevel, strategy, password, crc_for_crypting, version_madeby, flag_base, 0); +} + +int zipOpenNewFileInZip3(zipFile file, const char *filename, const zip_fileinfo *zipfi, + const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global, + uint16_t size_extrafield_global, const char *comment, int compression_method, int level, + int raw, int windowBits, int memLevel, int strategy, const char *password, + unsigned long crc_for_crypting) { + return zipOpenNewFileInZip3_64(file, filename, zipfi, extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, comment, compression_method, level, raw, windowBits, + memLevel, strategy, password, crc_for_crypting, 0); +} + +int zipOpenNewFileInZip3_64(zipFile file, const char *filename, const zip_fileinfo *zipfi, + const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global, + uint16_t size_extrafield_global, const char *comment, int compression_method, int level, + int raw, int windowBits, int memLevel, int strategy, const char *password, + uint32_t crc_for_crypting, int zip64) { + return zipOpenNewFileInZip4_64(file, filename, zipfi, extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, comment, compression_method, level, raw, windowBits, + memLevel, strategy, password, crc_for_crypting, MZ_VERSION_MADEBY, 0, zip64); +} + +int zipOpenNewFileInZip2(zipFile file, const char *filename, const zip_fileinfo *zipfi, + const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global, + uint16_t size_extrafield_global, const char *comment, int compression_method, int level, + int raw) { + return zipOpenNewFileInZip3_64(file, filename, zipfi, extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, comment, compression_method, level, raw, + 0, 0, 0, NULL, 0, 0); +} + +int zipOpenNewFileInZip2_64(zipFile file, const char *filename, const zip_fileinfo *zipfi, + const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global, + uint16_t size_extrafield_global, const char *comment, int compression_method, int level, + int raw, int zip64) { + return zipOpenNewFileInZip3_64(file, filename, zipfi, extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, comment, compression_method, level, raw, 0, + 0, 0, NULL, 0, zip64); +} + +int zipOpenNewFileInZip(zipFile file, const char *filename, const zip_fileinfo *zipfi, + const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global, + uint16_t size_extrafield_global, const char *comment, int compression_method, int level) { + return zipOpenNewFileInZip_64(file, filename, zipfi, extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, comment, compression_method, level, 0); +} + +int zipOpenNewFileInZip_64(zipFile file, const char *filename, const zip_fileinfo *zipfi, + const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global, + uint16_t size_extrafield_global, const char *comment, int compression_method, int level, + int zip64) { + return zipOpenNewFileInZip2_64(file, filename, zipfi, extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, comment, compression_method, level, 0, zip64); +} + +int zipWriteInFileInZip(zipFile file, const void *buf, uint32_t len) { + mz_compat *compat = (mz_compat *)file; + int32_t written = 0; + if (compat == NULL || len >= INT32_MAX) + return ZIP_PARAMERROR; + written = mz_zip_entry_write(compat->handle, buf, (int32_t)len); + if ((written < 0) || ((uint32_t)written != len)) + return ZIP_ERRNO; + return ZIP_OK; +} + +int zipCloseFileInZipRaw(zipFile file, unsigned long uncompressed_size, unsigned long crc32) { + return zipCloseFileInZipRaw64(file, uncompressed_size, crc32); +} + +int zipCloseFileInZipRaw64(zipFile file, uint64_t uncompressed_size, unsigned long crc32) { + mz_compat *compat = (mz_compat *)file; + if (compat == NULL) + return ZIP_PARAMERROR; + return mz_zip_entry_close_raw(compat->handle, (int64_t)uncompressed_size, crc32); +} + +int zipCloseFileInZip(zipFile file) { + return zipCloseFileInZip64(file); +} + +int zipCloseFileInZip64(zipFile file) { + mz_compat *compat = (mz_compat *)file; + if (compat == NULL) + return ZIP_PARAMERROR; + return mz_zip_entry_close(compat->handle); +} + +int zipClose(zipFile file, const char *global_comment) { + return zipClose_64(file, global_comment); +} + +int zipClose_64(zipFile file, const char *global_comment) { + return zipClose2_64(file, global_comment, MZ_VERSION_MADEBY); +} + +int zipClose2_64(zipFile file, const char *global_comment, uint16_t version_madeby) { + mz_compat *compat = (mz_compat *)file; + int32_t err = MZ_OK; + + if (compat->handle != NULL) + err = zipClose2_MZ(file, global_comment, version_madeby); + + if (compat->stream != NULL) { + mz_stream_close(compat->stream); + mz_stream_delete(&compat->stream); + } + + MZ_FREE(compat); + + return err; +} + +/* Only closes the zip handle, does not close the stream */ +int zipClose_MZ(zipFile file, const char *global_comment) { + return zipClose2_MZ(file, global_comment, MZ_VERSION_MADEBY); +} + +/* Only closes the zip handle, does not close the stream */ +int zipClose2_MZ(zipFile file, const char *global_comment, uint16_t version_madeby) { + mz_compat *compat = (mz_compat *)file; + int32_t err = MZ_OK; + + if (compat == NULL) + return ZIP_PARAMERROR; + if (compat->handle == NULL) + return err; + + if (global_comment != NULL) + mz_zip_set_comment(compat->handle, global_comment); + + mz_zip_set_version_madeby(compat->handle, version_madeby); + err = mz_zip_close(compat->handle); + mz_zip_delete(&compat->handle); + + return err; +} + +/***************************************************************************/ + +unzFile unzOpen(const char *path) { + return unzOpen64(path); +} + +unzFile unzOpen64(const void *path) { + return unzOpen2(path, NULL); +} + +unzFile unzOpen2(const char *path, zlib_filefunc_def *pzlib_filefunc_def) { + unzFile unz = NULL; + void *stream = NULL; + + if (pzlib_filefunc_def) { + if (pzlib_filefunc_def->zopen_file != NULL) { + if (mz_stream_ioapi_create(&stream) == NULL) + return NULL; + mz_stream_ioapi_set_filefunc(stream, pzlib_filefunc_def); + } else if (pzlib_filefunc_def->opaque != NULL) { + if (mz_stream_create(&stream, (mz_stream_vtbl *)pzlib_filefunc_def->opaque) == NULL) + return NULL; + } + } + + if (stream == NULL) { + if (mz_stream_os_create(&stream) == NULL) + return NULL; + } + + if (mz_stream_open(stream, path, MZ_OPEN_MODE_READ) != MZ_OK) { + mz_stream_delete(&stream); + return NULL; + } + + unz = unzOpen_MZ(stream); + if (unz == NULL) { + mz_stream_close(stream); + mz_stream_delete(&stream); + return NULL; + } + return unz; +} + +unzFile unzOpen2_64(const void *path, zlib_filefunc64_def *pzlib_filefunc_def) { + unzFile unz = NULL; + void *stream = NULL; + + if (pzlib_filefunc_def) { + if (pzlib_filefunc_def->zopen64_file != NULL) { + if (mz_stream_ioapi_create(&stream) == NULL) + return NULL; + mz_stream_ioapi_set_filefunc64(stream, pzlib_filefunc_def); + } else if (pzlib_filefunc_def->opaque != NULL) { + if (mz_stream_create(&stream, (mz_stream_vtbl *)pzlib_filefunc_def->opaque) == NULL) + return NULL; + } + } + + if (stream == NULL) { + if (mz_stream_os_create(&stream) == NULL) + return NULL; + } + + if (mz_stream_open(stream, path, MZ_OPEN_MODE_READ) != MZ_OK) { + mz_stream_delete(&stream); + return NULL; + } + + unz = unzOpen_MZ(stream); + if (unz == NULL) { + mz_stream_close(stream); + mz_stream_delete(&stream); + return NULL; + } + return unz; +} + +void* unzGetHandle_MZ(unzFile file) { + mz_compat *compat = (mz_compat *)file; + if (compat == NULL) + return NULL; + return compat->handle; +} + +void* unzGetStream_MZ(unzFile file) { + mz_compat *compat = (mz_compat *)file; + if (compat == NULL) + return NULL; + return compat->stream; +} + +unzFile unzOpen_MZ(void *stream) { + mz_compat *compat = NULL; + int32_t err = MZ_OK; + void *handle = NULL; + + mz_zip_create(&handle); + err = mz_zip_open(handle, stream, MZ_OPEN_MODE_READ); + + if (err != MZ_OK) { + mz_zip_delete(&handle); + return NULL; + } + + compat = (mz_compat *)MZ_ALLOC(sizeof(mz_compat)); + if (compat != NULL) { + compat->handle = handle; + compat->stream = stream; + + mz_zip_goto_first_entry(compat->handle); + } else { + mz_zip_delete(&handle); + } + + return (unzFile)compat; +} + +int unzClose(unzFile file) { + mz_compat *compat = (mz_compat *)file; + int32_t err = MZ_OK; + + if (compat == NULL) + return UNZ_PARAMERROR; + + if (compat->handle != NULL) + err = unzClose_MZ(file); + + if (compat->stream != NULL) { + mz_stream_close(compat->stream); + mz_stream_delete(&compat->stream); + } + + MZ_FREE(compat); + + return err; +} + +/* Only closes the zip handle, does not close the stream */ +int unzClose_MZ(unzFile file) { + mz_compat *compat = (mz_compat *)file; + int32_t err = MZ_OK; + + if (compat == NULL) + return UNZ_PARAMERROR; + + err = mz_zip_close(compat->handle); + mz_zip_delete(&compat->handle); + + return err; +} + +int unzGetGlobalInfo(unzFile file, unz_global_info* pglobal_info32) { + mz_compat *compat = (mz_compat *)file; + unz_global_info64 global_info64; + int32_t err = MZ_OK; + + memset(pglobal_info32, 0, sizeof(unz_global_info)); + if (compat == NULL) + return UNZ_PARAMERROR; + + err = unzGetGlobalInfo64(file, &global_info64); + if (err == MZ_OK) { + pglobal_info32->number_entry = (uint32_t)global_info64.number_entry; + pglobal_info32->size_comment = global_info64.size_comment; + pglobal_info32->number_disk_with_CD = global_info64.number_disk_with_CD; + } + return err; +} + +int unzGetGlobalInfo64(unzFile file, unz_global_info64 *pglobal_info) { + mz_compat *compat = (mz_compat *)file; + const char *comment_ptr = NULL; + int32_t err = MZ_OK; + + memset(pglobal_info, 0, sizeof(unz_global_info64)); + if (compat == NULL) + return UNZ_PARAMERROR; + err = mz_zip_get_comment(compat->handle, &comment_ptr); + if (err == MZ_OK) + pglobal_info->size_comment = (uint16_t)strlen(comment_ptr); + if ((err == MZ_OK) || (err == MZ_EXIST_ERROR)) + err = mz_zip_get_number_entry(compat->handle, &pglobal_info->number_entry); + if (err == MZ_OK) + err = mz_zip_get_disk_number_with_cd(compat->handle, &pglobal_info->number_disk_with_CD); + return err; +} + +int unzGetGlobalComment(unzFile file, char *comment, unsigned long comment_size) { + mz_compat *compat = (mz_compat *)file; + const char *comment_ptr = NULL; + int32_t err = MZ_OK; + + if (comment == NULL || comment_size == 0) + return UNZ_PARAMERROR; + err = mz_zip_get_comment(compat->handle, &comment_ptr); + if (err == MZ_OK) { + strncpy(comment, comment_ptr, comment_size - 1); + comment[comment_size - 1] = 0; + } + return err; +} + +int unzOpenCurrentFile3(unzFile file, int *method, int *level, int raw, const char *password) { + mz_compat *compat = (mz_compat *)file; + mz_zip_file *file_info = NULL; + int32_t err = MZ_OK; + void *stream = NULL; + + if (compat == NULL) + return UNZ_PARAMERROR; + if (method != NULL) + *method = 0; + if (level != NULL) + *level = 0; + + compat->total_out = 0; + err = mz_zip_entry_read_open(compat->handle, (uint8_t)raw, password); + if (err == MZ_OK) + err = mz_zip_entry_get_info(compat->handle, &file_info); + if (err == MZ_OK) { + if (method != NULL) { + *method = file_info->compression_method; + } + + if (level != NULL) { + *level = 6; + switch (file_info->flag & 0x06) { + case MZ_ZIP_FLAG_DEFLATE_SUPER_FAST: + *level = 1; + break; + case MZ_ZIP_FLAG_DEFLATE_FAST: + *level = 2; + break; + case MZ_ZIP_FLAG_DEFLATE_MAX: + *level = 9; + break; + } + } + } + if (err == MZ_OK) + err = mz_zip_get_stream(compat->handle, &stream); + if (err == MZ_OK) + compat->entry_pos = mz_stream_tell(stream); + return err; +} + +int unzOpenCurrentFile(unzFile file) { + return unzOpenCurrentFile3(file, NULL, NULL, 0, NULL); +} + +int unzOpenCurrentFilePassword(unzFile file, const char *password) { + return unzOpenCurrentFile3(file, NULL, NULL, 0, password); +} + +int unzOpenCurrentFile2(unzFile file, int *method, int *level, int raw) { + return unzOpenCurrentFile3(file, method, level, raw, NULL); +} + +int unzReadCurrentFile(unzFile file, void *buf, uint32_t len) { + mz_compat *compat = (mz_compat *)file; + int32_t err = MZ_OK; + if (compat == NULL || len >= INT32_MAX) + return UNZ_PARAMERROR; + err = mz_zip_entry_read(compat->handle, buf, (int32_t)len); + if (err > 0) + compat->total_out += (uint32_t)err; + return err; +} + +int unzCloseCurrentFile(unzFile file) { + mz_compat *compat = (mz_compat *)file; + int32_t err = MZ_OK; + if (compat == NULL) + return UNZ_PARAMERROR; + err = mz_zip_entry_close(compat->handle); + return err; +} + +int unzGetCurrentFileInfo(unzFile file, unz_file_info *pfile_info, char *filename, + unsigned long filename_size, void *extrafield, unsigned long extrafield_size, char *comment, + unsigned long comment_size) { + mz_compat *compat = (mz_compat *)file; + mz_zip_file *file_info = NULL; + uint16_t bytes_to_copy = 0; + int32_t err = MZ_OK; + + if (compat == NULL) + return UNZ_PARAMERROR; + + err = mz_zip_entry_get_info(compat->handle, &file_info); + if (err != MZ_OK) + return err; + + if (pfile_info != NULL) { + pfile_info->version = file_info->version_madeby; + pfile_info->version_needed = file_info->version_needed; + pfile_info->flag = file_info->flag; + pfile_info->compression_method = file_info->compression_method; + pfile_info->mz_dos_date = mz_zip_time_t_to_dos_date(file_info->modified_date); + mz_zip_time_t_to_tm(file_info->modified_date, &pfile_info->tmu_date); + pfile_info->tmu_date.tm_year += 1900; + pfile_info->crc = file_info->crc; + + pfile_info->size_filename = file_info->filename_size; + pfile_info->size_file_extra = file_info->extrafield_size; + pfile_info->size_file_comment = file_info->comment_size; + + pfile_info->disk_num_start = (uint16_t)file_info->disk_number; + pfile_info->internal_fa = file_info->internal_fa; + pfile_info->external_fa = file_info->external_fa; + + pfile_info->compressed_size = (uint32_t)file_info->compressed_size; + pfile_info->uncompressed_size = (uint32_t)file_info->uncompressed_size; + } + if (filename_size > 0 && filename != NULL && file_info->filename != NULL) { + bytes_to_copy = (uint16_t)filename_size; + if (bytes_to_copy > file_info->filename_size) + bytes_to_copy = file_info->filename_size; + memcpy(filename, file_info->filename, bytes_to_copy); + if (bytes_to_copy < filename_size) + filename[bytes_to_copy] = 0; + } + if (extrafield_size > 0 && extrafield != NULL) { + bytes_to_copy = (uint16_t)extrafield_size; + if (bytes_to_copy > file_info->extrafield_size) + bytes_to_copy = file_info->extrafield_size; + memcpy(extrafield, file_info->extrafield, bytes_to_copy); + } + if (comment_size > 0 && comment != NULL && file_info->comment != NULL) { + bytes_to_copy = (uint16_t)comment_size; + if (bytes_to_copy > file_info->comment_size) + bytes_to_copy = file_info->comment_size; + memcpy(comment, file_info->comment, bytes_to_copy); + if (bytes_to_copy < comment_size) + comment[bytes_to_copy] = 0; + } + return err; +} + +int unzGetCurrentFileInfo64(unzFile file, unz_file_info64 * pfile_info, char *filename, + unsigned long filename_size, void *extrafield, unsigned long extrafield_size, char *comment, + unsigned long comment_size) { + mz_compat *compat = (mz_compat *)file; + mz_zip_file *file_info = NULL; + uint16_t bytes_to_copy = 0; + int32_t err = MZ_OK; + + if (compat == NULL) + return UNZ_PARAMERROR; + + err = mz_zip_entry_get_info(compat->handle, &file_info); + if (err != MZ_OK) + return err; + + if (pfile_info != NULL) { + pfile_info->version = file_info->version_madeby; + pfile_info->version_needed = file_info->version_needed; + pfile_info->flag = file_info->flag; + pfile_info->compression_method = file_info->compression_method; + pfile_info->mz_dos_date = mz_zip_time_t_to_dos_date(file_info->modified_date); + mz_zip_time_t_to_tm(file_info->modified_date, &pfile_info->tmu_date); + pfile_info->tmu_date.tm_year += 1900; + pfile_info->crc = file_info->crc; + + pfile_info->size_filename = file_info->filename_size; + pfile_info->size_file_extra = file_info->extrafield_size; + pfile_info->size_file_comment = file_info->comment_size; + + pfile_info->disk_num_start = file_info->disk_number; + pfile_info->internal_fa = file_info->internal_fa; + pfile_info->external_fa = file_info->external_fa; + + pfile_info->compressed_size = (uint64_t)file_info->compressed_size; + pfile_info->uncompressed_size = (uint64_t)file_info->uncompressed_size; + } + if (filename_size > 0 && filename != NULL && file_info->filename != NULL) { + bytes_to_copy = (uint16_t)filename_size; + if (bytes_to_copy > file_info->filename_size) + bytes_to_copy = file_info->filename_size; + memcpy(filename, file_info->filename, bytes_to_copy); + if (bytes_to_copy < filename_size) + filename[bytes_to_copy] = 0; + } + if (extrafield_size > 0 && extrafield != NULL) { + bytes_to_copy = (uint16_t)extrafield_size; + if (bytes_to_copy > file_info->extrafield_size) + bytes_to_copy = file_info->extrafield_size; + memcpy(extrafield, file_info->extrafield, bytes_to_copy); + } + if (comment_size > 0 && comment != NULL && file_info->comment != NULL) { + bytes_to_copy = (uint16_t)comment_size; + if (bytes_to_copy > file_info->comment_size) + bytes_to_copy = file_info->comment_size; + memcpy(comment, file_info->comment, bytes_to_copy); + if (bytes_to_copy < comment_size) + comment[bytes_to_copy] = 0; + } + return err; +} + +int unzGoToFirstFile(unzFile file) { + mz_compat *compat = (mz_compat *)file; + if (compat == NULL) + return UNZ_PARAMERROR; + compat->entry_index = 0; + return mz_zip_goto_first_entry(compat->handle); +} + +int unzGoToNextFile(unzFile file) { + mz_compat *compat = (mz_compat *)file; + int32_t err = MZ_OK; + if (compat == NULL) + return UNZ_PARAMERROR; + err = mz_zip_goto_next_entry(compat->handle); + if (err != MZ_END_OF_LIST) + compat->entry_index += 1; + return err; +} + +int unzLocateFile(unzFile file, const char *filename, unzFileNameComparer filename_compare_func) { + mz_compat *compat = (mz_compat *)file; + mz_zip_file *file_info = NULL; + uint64_t preserve_index = 0; + int32_t err = MZ_OK; + int32_t result = 0; + + if (compat == NULL) + return UNZ_PARAMERROR; + + preserve_index = compat->entry_index; + + err = mz_zip_goto_first_entry(compat->handle); + while (err == MZ_OK) { + err = mz_zip_entry_get_info(compat->handle, &file_info); + if (err != MZ_OK) + break; + + if ((intptr_t)filename_compare_func > 2) { + result = filename_compare_func(file, filename, file_info->filename); + } else { + int32_t case_sensitive = (int32_t)(intptr_t)filename_compare_func; + result = mz_path_compare_wc(filename, file_info->filename, !case_sensitive); + } + + if (result == 0) + return MZ_OK; + + err = mz_zip_goto_next_entry(compat->handle); + } + + compat->entry_index = preserve_index; + return err; +} + +/***************************************************************************/ + +int unzGetFilePos(unzFile file, unz_file_pos *file_pos) { + unz64_file_pos file_pos64; + int32_t err = 0; + + err = unzGetFilePos64(file, &file_pos64); + if (err < 0) + return err; + + file_pos->pos_in_zip_directory = (uint32_t)file_pos64.pos_in_zip_directory; + file_pos->num_of_file = (uint32_t)file_pos64.num_of_file; + return err; +} + +int unzGoToFilePos(unzFile file, unz_file_pos *file_pos) { + mz_compat *compat = (mz_compat *)file; + unz64_file_pos file_pos64; + + if (compat == NULL || file_pos == NULL) + return UNZ_PARAMERROR; + + file_pos64.pos_in_zip_directory = file_pos->pos_in_zip_directory; + file_pos64.num_of_file = file_pos->num_of_file; + + return unzGoToFilePos64(file, &file_pos64); +} + +int unzGetFilePos64(unzFile file, unz64_file_pos *file_pos) { + mz_compat *compat = (mz_compat *)file; + int64_t offset = 0; + + if (compat == NULL || file_pos == NULL) + return UNZ_PARAMERROR; + + offset = unzGetOffset64(file); + if (offset < 0) + return (int)offset; + + file_pos->pos_in_zip_directory = offset; + file_pos->num_of_file = compat->entry_index; + return UNZ_OK; +} + +int unzGoToFilePos64(unzFile file, const unz64_file_pos *file_pos) { + mz_compat *compat = (mz_compat *)file; + int32_t err = MZ_OK; + + if (compat == NULL || file_pos == NULL) + return UNZ_PARAMERROR; + + err = mz_zip_goto_entry(compat->handle, file_pos->pos_in_zip_directory); + if (err == MZ_OK) + compat->entry_index = file_pos->num_of_file; + return err; +} + +unsigned long unzGetOffset(unzFile file) { + return (uint32_t)unzGetOffset64(file); +} + +int64_t unzGetOffset64(unzFile file) { + mz_compat *compat = (mz_compat *)file; + if (compat == NULL) + return UNZ_PARAMERROR; + return mz_zip_get_entry(compat->handle); +} + +int unzSetOffset(unzFile file, unsigned long pos) { + return unzSetOffset64(file, pos); +} + +int unzSetOffset64(unzFile file, int64_t pos) { + mz_compat *compat = (mz_compat *)file; + if (compat == NULL) + return UNZ_PARAMERROR; + return (int)mz_zip_goto_entry(compat->handle, pos); +} + +int unzGetLocalExtrafield(unzFile file, void *buf, unsigned int len) { + mz_compat *compat = (mz_compat *)file; + mz_zip_file *file_info = NULL; + int32_t err = MZ_OK; + int32_t bytes_to_copy = 0; + + if (compat == NULL || buf == NULL || len >= INT32_MAX) + return UNZ_PARAMERROR; + + err = mz_zip_entry_get_local_info(compat->handle, &file_info); + if (err != MZ_OK) + return err; + + bytes_to_copy = (int32_t)len; + if (bytes_to_copy > file_info->extrafield_size) + bytes_to_copy = file_info->extrafield_size; + + memcpy(buf, file_info->extrafield, bytes_to_copy); + return MZ_OK; +} + +int32_t unzTell(unzFile file) { + return unztell(file); +} + +int32_t unztell(unzFile file) { + return (int32_t)unztell64(file); +} + +uint64_t unzTell64(unzFile file) { + return unztell64(file); +} + +uint64_t unztell64(unzFile file) { + mz_compat *compat = (mz_compat *)file; + if (compat == NULL) + return UNZ_PARAMERROR; + return compat->total_out; +} + +int unzSeek(unzFile file, int32_t offset, int origin) { + return unzSeek64(file, offset, origin); +} + +int unzSeek64(unzFile file, int64_t offset, int origin) { + mz_compat *compat = (mz_compat *)file; + mz_zip_file *file_info = NULL; + int64_t position = 0; + int32_t err = MZ_OK; + void *stream = NULL; + + if (compat == NULL) + return UNZ_PARAMERROR; + err = mz_zip_entry_get_info(compat->handle, &file_info); + if (err != MZ_OK) + return err; + if (file_info->compression_method != MZ_COMPRESS_METHOD_STORE) + return UNZ_ERRNO; + + if (origin == SEEK_SET) + position = offset; + else if (origin == SEEK_CUR) + position = compat->total_out + offset; + else if (origin == SEEK_END) + position = (int64_t)file_info->compressed_size + offset; + else + return UNZ_PARAMERROR; + + if (position > (int64_t)file_info->compressed_size) + return UNZ_PARAMERROR; + + err = mz_zip_get_stream(compat->handle, &stream); + if (err == MZ_OK) + err = mz_stream_seek(stream, compat->entry_pos + position, MZ_SEEK_SET); + if (err == MZ_OK) + compat->total_out = position; + return err; +} + +int unzEndOfFile(unzFile file) { + return unzeof(file); +} + +int unzeof(unzFile file) { + mz_compat *compat = (mz_compat *)file; + mz_zip_file *file_info = NULL; + int32_t err = MZ_OK; + + if (compat == NULL) + return UNZ_PARAMERROR; + err = mz_zip_entry_get_info(compat->handle, &file_info); + if (err != MZ_OK) + return err; + if (compat->total_out == (int64_t)file_info->uncompressed_size) + return 1; + return 0; +} + +void* unzGetStream(unzFile file) { + mz_compat *compat = (mz_compat *)file; + if (compat == NULL) + return NULL; + return (void *)compat->stream; +} + +/***************************************************************************/ diff --git a/Externals/minizip/mz_compat.h b/Externals/minizip/mz_compat.h new file mode 100644 index 0000000000..808cc74e1f --- /dev/null +++ b/Externals/minizip/mz_compat.h @@ -0,0 +1,396 @@ +/* mz_compat.h -- Backwards compatible interface for older versions + part of the minizip-ng project + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + Copyright (C) 1998-2010 Gilles Vollant + https://www.winimage.com/zLibDll/minizip.html + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. +*/ + +#ifndef MZ_COMPAT_H +#define MZ_COMPAT_H + +#include "mz.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/***************************************************************************/ + +#if defined(HAVE_ZLIB) && defined(MAX_MEM_LEVEL) +#ifndef DEF_MEM_LEVEL +# if MAX_MEM_LEVEL >= 8 +# define DEF_MEM_LEVEL 8 +# else +# define DEF_MEM_LEVEL MAX_MEM_LEVEL +# endif +#endif +#endif +#ifndef MAX_WBITS +#define MAX_WBITS (15) +#endif +#ifndef DEF_MEM_LEVEL +#define DEF_MEM_LEVEL (8) +#endif + +#ifndef ZEXPORT +# define ZEXPORT MZ_EXPORT +#endif + +/***************************************************************************/ + +#if defined(STRICTZIP) || defined(STRICTZIPUNZIP) +/* like the STRICT of WIN32, we define a pointer that cannot be converted + from (void*) without cast */ +typedef struct TagzipFile__ { int unused; } zip_file__; +typedef zip_file__ *zipFile; +#else +typedef void *zipFile; +#endif + +/***************************************************************************/ + +typedef uint64_t ZPOS64_T; + +#ifndef ZCALLBACK +#define ZCALLBACK +#endif + +typedef void* (ZCALLBACK *open_file_func) (void *opaque, const char *filename, int mode); +typedef void* (ZCALLBACK *open64_file_func) (void *opaque, const void *filename, int mode); +typedef unsigned long (ZCALLBACK *read_file_func) (void *opaque, void *stream, void* buf, unsigned long size); +typedef unsigned long (ZCALLBACK *write_file_func) (void *opaque, void *stream, const void* buf, + unsigned long size); +typedef int (ZCALLBACK *close_file_func) (void *opaque, void *stream); +typedef int (ZCALLBACK *testerror_file_func)(void *opaque, void *stream); +typedef long (ZCALLBACK *tell_file_func) (void *opaque, void *stream); +typedef ZPOS64_T (ZCALLBACK *tell64_file_func) (void *opaque, void *stream); +typedef long (ZCALLBACK *seek_file_func) (void *opaque, void *stream, unsigned long offset, int origin); +typedef long (ZCALLBACK *seek64_file_func) (void *opaque, void *stream, ZPOS64_T offset, int origin); + +typedef struct zlib_filefunc_def_s +{ + open_file_func zopen_file; + read_file_func zread_file; + write_file_func zwrite_file; + tell_file_func ztell_file; + seek_file_func zseek_file; + close_file_func zclose_file; + testerror_file_func zerror_file; + void* opaque; +} zlib_filefunc_def; + +typedef struct zlib_filefunc64_def_s +{ + open64_file_func zopen64_file; + read_file_func zread_file; + write_file_func zwrite_file; + tell64_file_func ztell64_file; + seek64_file_func zseek64_file; + close_file_func zclose_file; + testerror_file_func zerror_file; + void* opaque; +} zlib_filefunc64_def; + +/***************************************************************************/ + +#define ZLIB_FILEFUNC_SEEK_SET (0) +#define ZLIB_FILEFUNC_SEEK_CUR (1) +#define ZLIB_FILEFUNC_SEEK_END (2) + +#define ZLIB_FILEFUNC_MODE_READ (1) +#define ZLIB_FILEFUNC_MODE_WRITE (2) +#define ZLIB_FILEFUNC_MODE_READWRITEFILTER (3) + +#define ZLIB_FILEFUNC_MODE_EXISTING (4) +#define ZLIB_FILEFUNC_MODE_CREATE (8) + +/***************************************************************************/ + +ZEXPORT void fill_fopen_filefunc(zlib_filefunc_def *pzlib_filefunc_def); +ZEXPORT void fill_fopen64_filefunc(zlib_filefunc64_def *pzlib_filefunc_def); +ZEXPORT void fill_win32_filefunc(zlib_filefunc_def *pzlib_filefunc_def); +ZEXPORT void fill_win32_filefunc64(zlib_filefunc64_def *pzlib_filefunc_def); +ZEXPORT void fill_win32_filefunc64A(zlib_filefunc64_def *pzlib_filefunc_def); +ZEXPORT void fill_memory_filefunc(zlib_filefunc_def *pzlib_filefunc_def); + +/***************************************************************************/ + +#if MZ_COMPAT_VERSION <= 110 +#define mz_dos_date dosDate +#else +#define mz_dos_date dos_date +#endif + +typedef struct tm tm_unz; +typedef struct tm tm_zip; + +typedef struct { + uint32_t mz_dos_date; + struct tm tmz_date; + uint16_t internal_fa; /* internal file attributes 2 bytes */ + uint32_t external_fa; /* external file attributes 4 bytes */ +} zip_fileinfo; + +typedef const char *zipcharpc; + +/***************************************************************************/ + +#define ZIP_OK (0) +#define ZIP_EOF (0) +#define ZIP_ERRNO (-1) +#define ZIP_PARAMERROR (-102) +#define ZIP_BADZIPFILE (-103) +#define ZIP_INTERNALERROR (-104) + +#ifndef Z_DEFLATED +#define Z_DEFLATED (8) +#endif +#define Z_BZIP2ED (12) + +#define APPEND_STATUS_CREATE (0) +#define APPEND_STATUS_CREATEAFTER (1) +#define APPEND_STATUS_ADDINZIP (2) + +/***************************************************************************/ +/* Writing a zip file */ + +ZEXPORT zipFile zipOpen(const char *path, int append); +ZEXPORT zipFile zipOpen64(const void *path, int append); +ZEXPORT zipFile zipOpen2(const char *path, int append, const char **globalcomment, + zlib_filefunc_def *pzlib_filefunc_def); + +ZEXPORT zipFile zipOpen2_64(const void *path, int append, const char **globalcomment, + zlib_filefunc64_def *pzlib_filefunc_def); +ZEXPORT zipFile zipOpen_MZ(void *stream, int append, const char **globalcomment); + +ZEXPORT void* zipGetHandle_MZ(zipFile); +ZEXPORT void* zipGetStream_MZ(zipFile file); + +ZEXPORT int zipOpenNewFileInZip(zipFile file, const char *filename, const zip_fileinfo *zipfi, + const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global, + uint16_t size_extrafield_global, const char *comment, int compression_method, int level); +ZEXPORT int zipOpenNewFileInZip_64(zipFile file, const char *filename, const zip_fileinfo *zipfi, + const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global, + uint16_t size_extrafield_global, const char *comment, int compression_method, int level, + int zip64); +ZEXPORT int zipOpenNewFileInZip2(zipFile file, const char *filename, const zip_fileinfo *zipfi, + const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global, + uint16_t size_extrafield_global, const char *comment, int compression_method, int level, + int raw); +ZEXPORT int zipOpenNewFileInZip2_64(zipFile file, const char *filename, const zip_fileinfo *zipfi, + const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global, + uint16_t size_extrafield_global, const char *comment, int compression_method, int level, + int raw, int zip64); +ZEXPORT int zipOpenNewFileInZip3(zipFile file, const char *filename, const zip_fileinfo *zipfi, + const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global, + uint16_t size_extrafield_global, const char *comment, int compression_method, int level, + int raw, int windowBits, int memLevel, int strategy, const char *password, + unsigned long crc_for_crypting); +ZEXPORT int zipOpenNewFileInZip3_64(zipFile file, const char *filename, const zip_fileinfo *zipfi, + const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global, + uint16_t size_extrafield_global, const char *comment, int compression_method, int level, + int raw, int windowBits, int memLevel, int strategy, const char *password, + uint32_t crc_for_crypting, int zip64); +ZEXPORT int zipOpenNewFileInZip4(zipFile file, const char *filename, const zip_fileinfo *zipfi, + const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global, + uint16_t size_extrafield_global, const char *comment, int compression_method, int level, + int raw, int windowBits, int memLevel, int strategy, const char *password, + unsigned long crc_for_crypting, unsigned long version_madeby, unsigned long flag_base); +ZEXPORT int zipOpenNewFileInZip4_64(zipFile file, const char *filename, const zip_fileinfo *zipfi, + const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global, + uint16_t size_extrafield_global, const char *comment, int compression_method, int level, + int raw, int windowBits, int memLevel, int strategy, const char *password, + unsigned long crc_for_crypting, unsigned long version_madeby, unsigned long flag_base, int zip64); +ZEXPORT int zipOpenNewFileInZip5(zipFile file, const char *filename, const zip_fileinfo *zipfi, + const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global, + uint16_t size_extrafield_global, const char *comment, int compression_method, int level, + int raw, int windowBits, int memLevel, int strategy, const char *password, + unsigned long crc_for_crypting, unsigned long version_madeby, unsigned long flag_base, int zip64); + +ZEXPORT int zipWriteInFileInZip(zipFile file, const void *buf, uint32_t len); + +ZEXPORT int zipCloseFileInZipRaw(zipFile file, unsigned long uncompressed_size, unsigned long crc32); +ZEXPORT int zipCloseFileInZipRaw64(zipFile file, uint64_t uncompressed_size, unsigned long crc32); +ZEXPORT int zipCloseFileInZip(zipFile file); +ZEXPORT int zipCloseFileInZip64(zipFile file); + +ZEXPORT int zipClose(zipFile file, const char *global_comment); +ZEXPORT int zipClose_64(zipFile file, const char *global_comment); +ZEXPORT int zipClose2_64(zipFile file, const char *global_comment, uint16_t version_madeby); + int zipClose_MZ(zipFile file, const char *global_comment); + int zipClose2_MZ(zipFile file, const char *global_comment, uint16_t version_madeby); + +/***************************************************************************/ + +#if defined(STRICTUNZIP) || defined(STRICTZIPUNZIP) +/* like the STRICT of WIN32, we define a pointer that cannot be converted + from (void*) without cast */ +typedef struct TagunzFile__ { int unused; } unz_file__; +typedef unz_file__ *unzFile; +#else +typedef void *unzFile; +#endif + +/***************************************************************************/ + +#define UNZ_OK (0) +#define UNZ_END_OF_LIST_OF_FILE (-100) +#define UNZ_ERRNO (-1) +#define UNZ_EOF (0) +#define UNZ_PARAMERROR (-102) +#define UNZ_BADZIPFILE (-103) +#define UNZ_INTERNALERROR (-104) +#define UNZ_CRCERROR (-105) +#define UNZ_BADPASSWORD (-106) + +/***************************************************************************/ + +typedef struct unz_global_info64_s { + uint64_t number_entry; /* total number of entries in the central dir on this disk */ + uint32_t number_disk_with_CD; /* number the the disk with central dir, used for spanning ZIP */ + uint16_t size_comment; /* size of the global comment of the zipfile */ +} unz_global_info64; + +typedef struct unz_global_info_s { + uint32_t number_entry; /* total number of entries in the central dir on this disk */ + uint32_t number_disk_with_CD; /* number the the disk with central dir, used for spanning ZIP */ + uint16_t size_comment; /* size of the global comment of the zipfile */ +} unz_global_info; + +typedef struct unz_file_info64_s { + uint16_t version; /* version made by 2 bytes */ + uint16_t version_needed; /* version needed to extract 2 bytes */ + uint16_t flag; /* general purpose bit flag 2 bytes */ + uint16_t compression_method; /* compression method 2 bytes */ + uint32_t mz_dos_date; /* last mod file date in Dos fmt 4 bytes */ + struct tm tmu_date; + uint32_t crc; /* crc-32 4 bytes */ + uint64_t compressed_size; /* compressed size 8 bytes */ + uint64_t uncompressed_size; /* uncompressed size 8 bytes */ + uint16_t size_filename; /* filename length 2 bytes */ + uint16_t size_file_extra; /* extra field length 2 bytes */ + uint16_t size_file_comment; /* file comment length 2 bytes */ + + uint32_t disk_num_start; /* disk number start 4 bytes */ + uint16_t internal_fa; /* internal file attributes 2 bytes */ + uint32_t external_fa; /* external file attributes 4 bytes */ + + uint64_t disk_offset; + + uint16_t size_file_extra_internal; +} unz_file_info64; + +typedef struct unz_file_info_s { + uint16_t version; /* version made by 2 bytes */ + uint16_t version_needed; /* version needed to extract 2 bytes */ + uint16_t flag; /* general purpose bit flag 2 bytes */ + uint16_t compression_method; /* compression method 2 bytes */ + uint32_t mz_dos_date; /* last mod file date in Dos fmt 4 bytes */ + struct tm tmu_date; + uint32_t crc; /* crc-32 4 bytes */ + uint32_t compressed_size; /* compressed size 4 bytes */ + uint32_t uncompressed_size; /* uncompressed size 4 bytes */ + uint16_t size_filename; /* filename length 2 bytes */ + uint16_t size_file_extra; /* extra field length 2 bytes */ + uint16_t size_file_comment; /* file comment length 2 bytes */ + + uint16_t disk_num_start; /* disk number start 2 bytes */ + uint16_t internal_fa; /* internal file attributes 2 bytes */ + uint32_t external_fa; /* external file attributes 4 bytes */ + + uint64_t disk_offset; +} unz_file_info; + +/***************************************************************************/ + +typedef int (*unzFileNameComparer)(unzFile file, const char *filename1, const char *filename2); +typedef int (*unzIteratorFunction)(unzFile file); +typedef int (*unzIteratorFunction2)(unzFile file, unz_file_info64 *pfile_info, char *filename, + uint16_t filename_size, void *extrafield, uint16_t extrafield_size, char *comment, + uint16_t comment_size); + +/***************************************************************************/ +/* Reading a zip file */ + +ZEXPORT unzFile unzOpen(const char *path); +ZEXPORT unzFile unzOpen64(const void *path); +ZEXPORT unzFile unzOpen2(const char *path, zlib_filefunc_def *pzlib_filefunc_def); +ZEXPORT unzFile unzOpen2_64(const void *path, zlib_filefunc64_def *pzlib_filefunc_def); + unzFile unzOpen_MZ(void *stream); + +ZEXPORT int unzClose(unzFile file); +ZEXPORT int unzClose_MZ(unzFile file); + +ZEXPORT void* unzGetHandle_MZ(unzFile file); +ZEXPORT void* unzGetStream_MZ(zipFile file); + +ZEXPORT int unzGetGlobalInfo(unzFile file, unz_global_info* pglobal_info32); +ZEXPORT int unzGetGlobalInfo64(unzFile file, unz_global_info64 *pglobal_info); +ZEXPORT int unzGetGlobalComment(unzFile file, char *comment, unsigned long comment_size); + +ZEXPORT int unzOpenCurrentFile(unzFile file); +ZEXPORT int unzOpenCurrentFilePassword(unzFile file, const char *password); +ZEXPORT int unzOpenCurrentFile2(unzFile file, int *method, int *level, int raw); +ZEXPORT int unzOpenCurrentFile3(unzFile file, int *method, int *level, int raw, const char *password); +ZEXPORT int unzReadCurrentFile(unzFile file, void *buf, uint32_t len); +ZEXPORT int unzCloseCurrentFile(unzFile file); + +ZEXPORT int unzGetCurrentFileInfo(unzFile file, unz_file_info *pfile_info, char *filename, + unsigned long filename_size, void *extrafield, unsigned long extrafield_size, char *comment, + unsigned long comment_size); +ZEXPORT int unzGetCurrentFileInfo64(unzFile file, unz_file_info64 * pfile_info, char *filename, + unsigned long filename_size, void *extrafield, unsigned long extrafield_size, char *comment, + unsigned long comment_size); + +ZEXPORT int unzGoToFirstFile(unzFile file); +ZEXPORT int unzGoToNextFile(unzFile file); +ZEXPORT int unzLocateFile(unzFile file, const char *filename, unzFileNameComparer filename_compare_func); + +ZEXPORT int unzGetLocalExtrafield(unzFile file, void *buf, unsigned int len); + +/***************************************************************************/ +/* Raw access to zip file */ + +typedef struct unz_file_pos_s { + uint32_t pos_in_zip_directory; /* offset in zip file directory */ + uint32_t num_of_file; /* # of file */ +} unz_file_pos; + +ZEXPORT int unzGetFilePos(unzFile file, unz_file_pos *file_pos); +ZEXPORT int unzGoToFilePos(unzFile file, unz_file_pos *file_pos); + +typedef struct unz64_file_pos_s { + int64_t pos_in_zip_directory; /* offset in zip file directory */ + uint64_t num_of_file; /* # of file */ +} unz64_file_pos; + +ZEXPORT int unzGetFilePos64(unzFile file, unz64_file_pos *file_pos); +ZEXPORT int unzGoToFilePos64(unzFile file, const unz64_file_pos *file_pos); + +ZEXPORT int64_t unzGetOffset64(unzFile file); +ZEXPORT unsigned long + unzGetOffset(unzFile file); +ZEXPORT int unzSetOffset64(unzFile file, int64_t pos); +ZEXPORT int unzSetOffset(unzFile file, unsigned long pos); +ZEXPORT int32_t unztell(unzFile file); +ZEXPORT int32_t unzTell(unzFile file); +ZEXPORT uint64_t unztell64(unzFile file); +ZEXPORT uint64_t unzTell64(unzFile file); +ZEXPORT int unzSeek(unzFile file, int32_t offset, int origin); +ZEXPORT int unzSeek64(unzFile file, int64_t offset, int origin); +ZEXPORT int unzEndOfFile(unzFile file); +ZEXPORT int unzeof(unzFile file); +ZEXPORT void* unzGetStream(unzFile file); + +/***************************************************************************/ + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/Externals/minizip/mz_crypt.c b/Externals/minizip/mz_crypt.c new file mode 100644 index 0000000000..dd2cd427c8 --- /dev/null +++ b/Externals/minizip/mz_crypt.c @@ -0,0 +1,196 @@ +/* mz_crypt.c -- Crypto/hash functions + part of the minizip-ng project + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. +*/ + + +#include "mz.h" +#include "mz_os.h" +#include "mz_crypt.h" + +#if defined(HAVE_ZLIB) +# include "zlib.h" +# if defined(ZLIBNG_VERNUM) && !defined(ZLIB_COMPAT) +# include "zlib-ng.h" +# endif +#elif defined(HAVE_LZMA) +# include "lzma.h" +#endif + +/***************************************************************************/ +/* Define z_crc_t in zlib 1.2.5 and less or if using zlib-ng */ + +#if defined(HAVE_ZLIB) && defined(ZLIBNG_VERNUM) +# if defined(ZLIB_COMPAT) +# define ZLIB_PREFIX(x) x +# else +# define ZLIB_PREFIX(x) zng_ ## x +# endif + typedef uint32_t z_crc_t; +#elif defined(HAVE_ZLIB) +# define ZLIB_PREFIX(x) x +# if (ZLIB_VERNUM < 0x1270) + typedef unsigned long z_crc_t; +# endif +#endif + +/***************************************************************************/ + +#if defined(MZ_ZIP_NO_CRYPTO) +int32_t mz_crypt_rand(uint8_t *buf, int32_t size) { + return mz_os_rand(buf, size); +} +#endif + +uint32_t mz_crypt_crc32_update(uint32_t value, const uint8_t *buf, int32_t size) { +#if defined(HAVE_ZLIB) + return (uint32_t)ZLIB_PREFIX(crc32)((z_crc_t)value, buf, (uInt)size); +#elif defined(HAVE_LZMA) + return (uint32_t)lzma_crc32(buf, (size_t)size, (uint32_t)value); +#else + static uint32_t crc32_table[256] = { + 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f, + 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988, + 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2, + 0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, + 0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, + 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172, + 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c, + 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59, + 0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, + 0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, + 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106, + 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433, + 0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, + 0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, + 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950, + 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65, + 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7, + 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0, + 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, + 0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f, + 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81, + 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a, + 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84, + 0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, + 0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, + 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc, + 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e, + 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b, + 0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, + 0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, + 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28, + 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d, + 0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f, + 0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, + 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242, + 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777, + 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69, + 0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2, + 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, + 0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9, + 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693, + 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94, + 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d + }; + value = ~value; + + while (size > 0) { + value = (value >> 8) ^ crc32_table[(value ^ *buf) & 0xFF]; + + buf += 1; + size -= 1; + } + + return ~value; +#endif +} + +#if defined(HAVE_WZAES) +int32_t mz_crypt_pbkdf2(uint8_t *password, int32_t password_length, uint8_t *salt, + int32_t salt_length, int32_t iteration_count, uint8_t *key, int32_t key_length) { + void *hmac1 = NULL; + void *hmac2 = NULL; + void *hmac3 = NULL; + int32_t err = MZ_OK; + uint16_t i = 0; + uint16_t j = 0; + uint16_t k = 0; + uint16_t block_count = 0; + uint8_t uu[MZ_HASH_SHA1_SIZE]; + uint8_t ux[MZ_HASH_SHA1_SIZE]; + + if (password == NULL || salt == NULL || key == NULL) + return MZ_PARAM_ERROR; + + memset(key, 0, key_length); + + mz_crypt_hmac_create(&hmac1); + mz_crypt_hmac_create(&hmac2); + mz_crypt_hmac_create(&hmac3); + + mz_crypt_hmac_set_algorithm(hmac1, MZ_HASH_SHA1); + mz_crypt_hmac_set_algorithm(hmac2, MZ_HASH_SHA1); + mz_crypt_hmac_set_algorithm(hmac3, MZ_HASH_SHA1); + + err = mz_crypt_hmac_init(hmac1, password, password_length); + if (err == MZ_OK) + err = mz_crypt_hmac_init(hmac2, password, password_length); + if (err == MZ_OK) + err = mz_crypt_hmac_update(hmac2, salt, salt_length); + + block_count = 1 + ((uint16_t)key_length - 1) / MZ_HASH_SHA1_SIZE; + + for (i = 0; (err == MZ_OK) && (i < block_count); i += 1) { + memset(ux, 0, sizeof(ux)); + + err = mz_crypt_hmac_copy(hmac2, hmac3); + if (err != MZ_OK) + break; + + uu[0] = (uint8_t)((i + 1) >> 24); + uu[1] = (uint8_t)((i + 1) >> 16); + uu[2] = (uint8_t)((i + 1) >> 8); + uu[3] = (uint8_t)(i + 1); + + for (j = 0, k = 4; j < iteration_count; j += 1) { + err = mz_crypt_hmac_update(hmac3, uu, k); + if (err == MZ_OK) + err = mz_crypt_hmac_end(hmac3, uu, sizeof(uu)); + if (err != MZ_OK) + break; + + for(k = 0; k < MZ_HASH_SHA1_SIZE; k += 1) + ux[k] ^= uu[k]; + + err = mz_crypt_hmac_copy(hmac1, hmac3); + if (err != MZ_OK) + break; + } + + if (err != MZ_OK) + break; + + j = 0; + k = i * MZ_HASH_SHA1_SIZE; + + while (j < MZ_HASH_SHA1_SIZE && k < key_length) + key[k++] = ux[j++]; + } + + /* hmac3 uses the same provider as hmac2, so it must be deleted + before the context is destroyed. */ + mz_crypt_hmac_delete(&hmac3); + mz_crypt_hmac_delete(&hmac1); + mz_crypt_hmac_delete(&hmac2); + + return err; +} +#endif + +/***************************************************************************/ diff --git a/Externals/minizip/mz_crypt.h b/Externals/minizip/mz_crypt.h new file mode 100644 index 0000000000..59a193c02b --- /dev/null +++ b/Externals/minizip/mz_crypt.h @@ -0,0 +1,65 @@ +/* mz_crypt.h -- Crypto/hash functions + part of the minizip-ng project + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. +*/ + +#ifndef MZ_CRYPT_H +#define MZ_CRYPT_H + +#ifdef __cplusplus +extern "C" { +#endif + +/***************************************************************************/ + +uint32_t mz_crypt_crc32_update(uint32_t value, const uint8_t *buf, int32_t size); + +int32_t mz_crypt_pbkdf2(uint8_t *password, int32_t password_length, uint8_t *salt, + int32_t salt_length, int32_t iteration_count, uint8_t *key, int32_t key_length); + +/***************************************************************************/ + +int32_t mz_crypt_rand(uint8_t *buf, int32_t size); + +void mz_crypt_sha_reset(void *handle); +int32_t mz_crypt_sha_begin(void *handle); +int32_t mz_crypt_sha_update(void *handle, const void *buf, int32_t size); +int32_t mz_crypt_sha_end(void *handle, uint8_t *digest, int32_t digest_size); +void mz_crypt_sha_set_algorithm(void *handle, uint16_t algorithm); +void* mz_crypt_sha_create(void **handle); +void mz_crypt_sha_delete(void **handle); + +void mz_crypt_aes_reset(void *handle); +int32_t mz_crypt_aes_encrypt(void *handle, uint8_t *buf, int32_t size); +int32_t mz_crypt_aes_decrypt(void *handle, uint8_t *buf, int32_t size); +int32_t mz_crypt_aes_set_encrypt_key(void *handle, const void *key, int32_t key_length); +int32_t mz_crypt_aes_set_decrypt_key(void *handle, const void *key, int32_t key_length); +void mz_crypt_aes_set_mode(void *handle, int32_t mode); +void* mz_crypt_aes_create(void **handle); +void mz_crypt_aes_delete(void **handle); + +void mz_crypt_hmac_reset(void *handle); +int32_t mz_crypt_hmac_init(void *handle, const void *key, int32_t key_length); +int32_t mz_crypt_hmac_update(void *handle, const void *buf, int32_t size); +int32_t mz_crypt_hmac_end(void *handle, uint8_t *digest, int32_t digest_size); +int32_t mz_crypt_hmac_copy(void *src_handle, void *target_handle); +void mz_crypt_hmac_set_algorithm(void *handle, uint16_t algorithm); +void* mz_crypt_hmac_create(void **handle); +void mz_crypt_hmac_delete(void **handle); + +int32_t mz_crypt_sign(uint8_t *message, int32_t message_size, uint8_t *cert_data, int32_t cert_data_size, + const char *cert_pwd, uint8_t **signature, int32_t *signature_size); +int32_t mz_crypt_sign_verify(uint8_t *message, int32_t message_size, uint8_t *signature, int32_t signature_size); + +/***************************************************************************/ + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/Externals/minizip/mz_crypt_apple.c b/Externals/minizip/mz_crypt_apple.c new file mode 100644 index 0000000000..4519753fa4 --- /dev/null +++ b/Externals/minizip/mz_crypt_apple.c @@ -0,0 +1,487 @@ +/* mz_crypt_apple.c -- Crypto/hash functions for Apple + part of the minizip-ng project + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. +*/ + + +#include "mz.h" + +#include <CoreFoundation/CoreFoundation.h> +#include <CommonCrypto/CommonCryptor.h> +#include <CommonCrypto/CommonDigest.h> +#include <CommonCrypto/CommonHMAC.h> +#include <Security/Security.h> +#include <Security/SecPolicy.h> + +/***************************************************************************/ + +int32_t mz_crypt_rand(uint8_t *buf, int32_t size) { + if (SecRandomCopyBytes(kSecRandomDefault, size, buf) != errSecSuccess) + return 0; + return size; +} + +/***************************************************************************/ + +typedef struct mz_crypt_sha_s { + CC_SHA1_CTX ctx1; + CC_SHA256_CTX ctx256; + int32_t error; + int32_t initialized; + uint16_t algorithm; +} mz_crypt_sha; + +/***************************************************************************/ + +void mz_crypt_sha_reset(void *handle) { + mz_crypt_sha *sha = (mz_crypt_sha *)handle; + + sha->error = 0; + sha->initialized = 0; +} + +int32_t mz_crypt_sha_begin(void *handle) { + mz_crypt_sha *sha = (mz_crypt_sha *)handle; + + if (sha == NULL) + return MZ_PARAM_ERROR; + + mz_crypt_sha_reset(handle); + + if (sha->algorithm == MZ_HASH_SHA1) + sha->error = CC_SHA1_Init(&sha->ctx1); + else if (sha->algorithm == MZ_HASH_SHA256) + sha->error = CC_SHA256_Init(&sha->ctx256); + else + return MZ_PARAM_ERROR; + + if (!sha->error) + return MZ_HASH_ERROR; + + sha->initialized = 1; + return MZ_OK; +} + +int32_t mz_crypt_sha_update(void *handle, const void *buf, int32_t size) { + mz_crypt_sha *sha = (mz_crypt_sha *)handle; + + if (sha == NULL || buf == NULL || !sha->initialized) + return MZ_PARAM_ERROR; + + if (sha->algorithm == MZ_HASH_SHA1) + sha->error = CC_SHA1_Update(&sha->ctx1, buf, size); + else + sha->error = CC_SHA256_Update(&sha->ctx256, buf, size); + + if (!sha->error) + return MZ_HASH_ERROR; + + return size; +} + +int32_t mz_crypt_sha_end(void *handle, uint8_t *digest, int32_t digest_size) { + mz_crypt_sha *sha = (mz_crypt_sha *)handle; + + if (sha == NULL || digest == NULL || !sha->initialized) + return MZ_PARAM_ERROR; + + if (sha->algorithm == MZ_HASH_SHA1) { + if (digest_size < MZ_HASH_SHA1_SIZE) + return MZ_BUF_ERROR; + sha->error = CC_SHA1_Final(digest, &sha->ctx1); + } else { + if (digest_size < MZ_HASH_SHA256_SIZE) + return MZ_BUF_ERROR; + sha->error = CC_SHA256_Final(digest, &sha->ctx256); + } + + if (!sha->error) + return MZ_HASH_ERROR; + + return MZ_OK; +} + +void mz_crypt_sha_set_algorithm(void *handle, uint16_t algorithm) { + mz_crypt_sha *sha = (mz_crypt_sha *)handle; + sha->algorithm = algorithm; +} + +void *mz_crypt_sha_create(void **handle) { + mz_crypt_sha *sha = NULL; + + sha = (mz_crypt_sha *)MZ_ALLOC(sizeof(mz_crypt_sha)); + if (sha != NULL) { + memset(sha, 0, sizeof(mz_crypt_sha)); + sha->algorithm = MZ_HASH_SHA256; + } + if (handle != NULL) + *handle = sha; + + return sha; +} + +void mz_crypt_sha_delete(void **handle) { + mz_crypt_sha *sha = NULL; + if (handle == NULL) + return; + sha = (mz_crypt_sha *)*handle; + if (sha != NULL) { + mz_crypt_sha_reset(*handle); + MZ_FREE(sha); + } + *handle = NULL; +} + +/***************************************************************************/ + +typedef struct mz_crypt_aes_s { + CCCryptorRef crypt; + int32_t mode; + int32_t error; +} mz_crypt_aes; + +/***************************************************************************/ + +void mz_crypt_aes_reset(void *handle) { + mz_crypt_aes *aes = (mz_crypt_aes *)handle; + + if (aes->crypt != NULL) + CCCryptorRelease(aes->crypt); + aes->crypt = NULL; +} + +int32_t mz_crypt_aes_encrypt(void *handle, uint8_t *buf, int32_t size) { + mz_crypt_aes *aes = (mz_crypt_aes *)handle; + size_t data_moved = 0; + + if (aes == NULL || buf == NULL) + return MZ_PARAM_ERROR; + if (size != MZ_AES_BLOCK_SIZE) + return MZ_PARAM_ERROR; + + aes->error = CCCryptorUpdate(aes->crypt, buf, size, buf, size, &data_moved); + + if (aes->error != kCCSuccess) + return MZ_HASH_ERROR; + + return size; +} + +int32_t mz_crypt_aes_decrypt(void *handle, uint8_t *buf, int32_t size) { + mz_crypt_aes *aes = (mz_crypt_aes *)handle; + size_t data_moved = 0; + + if (aes == NULL || buf == NULL) + return MZ_PARAM_ERROR; + if (size != MZ_AES_BLOCK_SIZE) + return MZ_PARAM_ERROR; + + aes->error = CCCryptorUpdate(aes->crypt, buf, size, buf, size, &data_moved); + + if (aes->error != kCCSuccess) + return MZ_HASH_ERROR; + + return size; +} + +int32_t mz_crypt_aes_set_encrypt_key(void *handle, const void *key, int32_t key_length) { + mz_crypt_aes *aes = (mz_crypt_aes *)handle; + + + if (aes == NULL || key == NULL || key_length == 0) + return MZ_PARAM_ERROR; + + mz_crypt_aes_reset(handle); + + aes->error = CCCryptorCreate(kCCEncrypt, kCCAlgorithmAES, kCCOptionECBMode, + key, key_length, NULL, &aes->crypt); + + if (aes->error != kCCSuccess) + return MZ_HASH_ERROR; + + return MZ_OK; +} + +int32_t mz_crypt_aes_set_decrypt_key(void *handle, const void *key, int32_t key_length) { + mz_crypt_aes *aes = (mz_crypt_aes *)handle; + + + if (aes == NULL || key == NULL || key_length == 0) + return MZ_PARAM_ERROR; + + mz_crypt_aes_reset(handle); + + aes->error = CCCryptorCreate(kCCDecrypt, kCCAlgorithmAES, kCCOptionECBMode, + key, key_length, NULL, &aes->crypt); + + if (aes->error != kCCSuccess) + return MZ_HASH_ERROR; + + return MZ_OK; +} + +void mz_crypt_aes_set_mode(void *handle, int32_t mode) { + mz_crypt_aes *aes = (mz_crypt_aes *)handle; + aes->mode = mode; +} + +void *mz_crypt_aes_create(void **handle) { + mz_crypt_aes *aes = NULL; + + aes = (mz_crypt_aes *)MZ_ALLOC(sizeof(mz_crypt_aes)); + if (aes != NULL) + memset(aes, 0, sizeof(mz_crypt_aes)); + if (handle != NULL) + *handle = aes; + + return aes; +} + +void mz_crypt_aes_delete(void **handle) { + mz_crypt_aes *aes = NULL; + if (handle == NULL) + return; + aes = (mz_crypt_aes *)*handle; + if (aes != NULL) { + mz_crypt_aes_reset(*handle); + MZ_FREE(aes); + } + *handle = NULL; +} + +/***************************************************************************/ + +typedef struct mz_crypt_hmac_s { + CCHmacContext ctx; + int32_t initialized; + int32_t error; + uint16_t algorithm; +} mz_crypt_hmac; + +/***************************************************************************/ + +static void mz_crypt_hmac_free(void *handle) { + mz_crypt_hmac *hmac = (mz_crypt_hmac *)handle; + memset(&hmac->ctx, 0, sizeof(hmac->ctx)); +} + +void mz_crypt_hmac_reset(void *handle) { + mz_crypt_hmac *hmac = (mz_crypt_hmac *)handle; + mz_crypt_hmac_free(handle); + hmac->error = 0; +} + +int32_t mz_crypt_hmac_init(void *handle, const void *key, int32_t key_length) { + mz_crypt_hmac *hmac = (mz_crypt_hmac *)handle; + CCHmacAlgorithm algorithm = 0; + + if (hmac == NULL || key == NULL) + return MZ_PARAM_ERROR; + + mz_crypt_hmac_reset(handle); + + if (hmac->algorithm == MZ_HASH_SHA1) + algorithm = kCCHmacAlgSHA1; + else if (hmac->algorithm == MZ_HASH_SHA256) + algorithm = kCCHmacAlgSHA256; + else + return MZ_PARAM_ERROR; + + CCHmacInit(&hmac->ctx, algorithm, key, key_length); + return MZ_OK; +} + +int32_t mz_crypt_hmac_update(void *handle, const void *buf, int32_t size) { + mz_crypt_hmac *hmac = (mz_crypt_hmac *)handle; + + if (hmac == NULL || buf == NULL) + return MZ_PARAM_ERROR; + + CCHmacUpdate(&hmac->ctx, buf, size); + return MZ_OK; +} + +int32_t mz_crypt_hmac_end(void *handle, uint8_t *digest, int32_t digest_size) { + mz_crypt_hmac *hmac = (mz_crypt_hmac *)handle; + + if (hmac == NULL || digest == NULL) + return MZ_PARAM_ERROR; + + if (hmac->algorithm == MZ_HASH_SHA1) { + if (digest_size < MZ_HASH_SHA1_SIZE) + return MZ_BUF_ERROR; + CCHmacFinal(&hmac->ctx, digest); + } else { + if (digest_size < MZ_HASH_SHA256_SIZE) + return MZ_BUF_ERROR; + CCHmacFinal(&hmac->ctx, digest); + } + + return MZ_OK; +} + +void mz_crypt_hmac_set_algorithm(void *handle, uint16_t algorithm) { + mz_crypt_hmac *hmac = (mz_crypt_hmac *)handle; + hmac->algorithm = algorithm; +} + +int32_t mz_crypt_hmac_copy(void *src_handle, void *target_handle) { + mz_crypt_hmac *source = (mz_crypt_hmac *)src_handle; + mz_crypt_hmac *target = (mz_crypt_hmac *)target_handle; + + if (source == NULL || target == NULL) + return MZ_PARAM_ERROR; + + memcpy(&target->ctx, &source->ctx, sizeof(CCHmacContext)); + return MZ_OK; +} + +void *mz_crypt_hmac_create(void **handle) { + mz_crypt_hmac *hmac = NULL; + + hmac = (mz_crypt_hmac *)MZ_ALLOC(sizeof(mz_crypt_hmac)); + if (hmac != NULL) { + memset(hmac, 0, sizeof(mz_crypt_hmac)); + hmac->algorithm = MZ_HASH_SHA256; + } + if (handle != NULL) + *handle = hmac; + + return hmac; +} + +void mz_crypt_hmac_delete(void **handle) { + mz_crypt_hmac *hmac = NULL; + if (handle == NULL) + return; + hmac = (mz_crypt_hmac *)*handle; + if (hmac != NULL) { + mz_crypt_hmac_free(*handle); + MZ_FREE(hmac); + } + *handle = NULL; +} + +/***************************************************************************/ + +#if defined(MZ_ZIP_SIGNING) +int32_t mz_crypt_sign(uint8_t *message, int32_t message_size, uint8_t *cert_data, int32_t cert_data_size, + const char *cert_pwd, uint8_t **signature, int32_t *signature_size) { + CFStringRef password_ref = NULL; + CFDictionaryRef options_dict = NULL; + CFDictionaryRef identity_trust = NULL; + CFDataRef signature_out = NULL; + CFDataRef pkcs12_data = NULL; + CFArrayRef items = 0; + SecIdentityRef identity = NULL; + SecTrustRef trust = NULL; + OSStatus status = noErr; + const void *options_key[2] = { kSecImportExportPassphrase, kSecReturnRef }; + const void *options_values[2] = { 0, kCFBooleanTrue }; + int32_t err = MZ_SIGN_ERROR; + + + if (message == NULL || cert_data == NULL || signature == NULL || signature_size == NULL) + return MZ_PARAM_ERROR; + + *signature = NULL; + *signature_size = 0; + + password_ref = CFStringCreateWithCString(0, cert_pwd, kCFStringEncodingUTF8); + options_values[0] = password_ref; + + options_dict = CFDictionaryCreate(0, options_key, options_values, 2, 0, 0); + if (options_dict) + pkcs12_data = CFDataCreate(0, cert_data, cert_data_size); + if (pkcs12_data) + status = SecPKCS12Import(pkcs12_data, options_dict, &items); + if (status == noErr) + identity_trust = CFArrayGetValueAtIndex(items, 0); + if (identity_trust) + identity = (SecIdentityRef)CFDictionaryGetValue(identity_trust, kSecImportItemIdentity); + if (identity) + trust = (SecTrustRef)CFDictionaryGetValue(identity_trust, kSecImportItemTrust); + if (trust) { + status = CMSEncodeContent(identity, NULL, NULL, FALSE, 0, message, message_size, &signature_out); + + if (status == errSecSuccess) { + *signature_size = CFDataGetLength(signature_out); + *signature = (uint8_t *)MZ_ALLOC(*signature_size); + + memcpy(*signature, CFDataGetBytePtr(signature_out), *signature_size); + + err = MZ_OK; + } + } + + if (signature_out) + CFRelease(signature_out); + if (items) + CFRelease(items); + if (pkcs12_data) + CFRelease(pkcs12_data); + if (options_dict) + CFRelease(options_dict); + if (password_ref) + CFRelease(password_ref); + + return err; +} + +int32_t mz_crypt_sign_verify(uint8_t *message, int32_t message_size, uint8_t *signature, int32_t signature_size) { + CMSDecoderRef decoder = NULL; + CMSSignerStatus signer_status = 0; + CFDataRef message_out = NULL; + SecPolicyRef trust_policy = NULL; + OSStatus status = noErr; + OSStatus verify_status = noErr; + size_t signer_count = 0; + size_t i = 0; + int32_t err = MZ_SIGN_ERROR; + + if (message == NULL || signature == NULL) + return MZ_PARAM_ERROR; + + status = CMSDecoderCreate(&decoder); + if (status == errSecSuccess) + status = CMSDecoderUpdateMessage(decoder, signature, signature_size); + if (status == errSecSuccess) + status = CMSDecoderFinalizeMessage(decoder); + if (status == errSecSuccess) + trust_policy = SecPolicyCreateBasicX509(); + + if (status == errSecSuccess && trust_policy) { + CMSDecoderGetNumSigners(decoder, &signer_count); + if (signer_count > 0) + err = MZ_OK; + for (i = 0; i < signer_count; i += 1) { + status = CMSDecoderCopySignerStatus(decoder, i, trust_policy, TRUE, &signer_status, NULL, &verify_status); + if (status != errSecSuccess || verify_status != 0 || signer_status != kCMSSignerValid) { + err = MZ_SIGN_ERROR; + break; + } + } + } + + if (err == MZ_OK) { + status = CMSDecoderCopyContent(decoder, &message_out); + if ((status != errSecSuccess) || + (CFDataGetLength(message_out) != message_size) || + (memcmp(message, CFDataGetBytePtr(message_out), message_size) != 0)) + err = MZ_SIGN_ERROR; + } + + if (trust_policy) + CFRelease(trust_policy); + if (decoder) + CFRelease(decoder); + + return err; +} + +#endif diff --git a/Externals/minizip/mz_crypt_openssl.c b/Externals/minizip/mz_crypt_openssl.c new file mode 100644 index 0000000000..2a6a4ac875 --- /dev/null +++ b/Externals/minizip/mz_crypt_openssl.c @@ -0,0 +1,638 @@ +/* mz_crypt_openssl.c -- Crypto/hash functions for OpenSSL + part of the minizip-ng project + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. +*/ + + +#include "mz.h" + +#include <openssl/err.h> +#include <openssl/engine.h> +#include <openssl/rand.h> +#include <openssl/sha.h> +#include <openssl/aes.h> +#include <openssl/crypto.h> +#include <openssl/evp.h> +#include <openssl/hmac.h> + +#if defined(MZ_ZIP_SIGNING) +/* Note: https://www.imperialviolet.org/2015/10/17/boringssl.html says that + BoringSSL does not support CMS. "#include <etc/cms.h>" will fail. See + https://bugs.chromium.org/p/boringssl/issues/detail?id=421 +*/ +#include <openssl/cms.h> +#include <openssl/pkcs12.h> +#include <openssl/x509.h> +#endif + +/***************************************************************************/ + +static void mz_crypt_init(void) { + static int32_t openssl_initialized = 0; + if (openssl_initialized == 0) { + OpenSSL_add_all_algorithms(); + + ERR_load_BIO_strings(); + ERR_load_crypto_strings(); + + ENGINE_load_builtin_engines(); + ENGINE_register_all_complete(); + + openssl_initialized = 1; + } +} + +int32_t mz_crypt_rand(uint8_t *buf, int32_t size) { + int32_t result = 0; + + result = RAND_bytes(buf, size); + + if (!result) + return MZ_CRYPT_ERROR; + + return size; +} + +/***************************************************************************/ + +typedef struct mz_crypt_sha_s { + SHA256_CTX ctx256; + SHA_CTX ctx1; + int32_t initialized; + int32_t error; + uint16_t algorithm; +} mz_crypt_sha; + +/***************************************************************************/ + +void mz_crypt_sha_reset(void *handle) { + mz_crypt_sha *sha = (mz_crypt_sha *)handle; + + sha->error = 0; + sha->initialized = 0; + + mz_crypt_init(); +} + +int32_t mz_crypt_sha_begin(void *handle) { + mz_crypt_sha *sha = (mz_crypt_sha *)handle; + int32_t result = 0; + + + if (sha == NULL) + return MZ_PARAM_ERROR; + + mz_crypt_sha_reset(handle); + + if (sha->algorithm == MZ_HASH_SHA1) + result = SHA1_Init(&sha->ctx1); + else + result = SHA256_Init(&sha->ctx256); + + if (!result) { + sha->error = ERR_get_error(); + return MZ_HASH_ERROR; + } + + sha->initialized = 1; + return MZ_OK; +} + +int32_t mz_crypt_sha_update(void *handle, const void *buf, int32_t size) { + mz_crypt_sha *sha = (mz_crypt_sha *)handle; + int32_t result = 0; + + if (sha == NULL || buf == NULL || !sha->initialized) + return MZ_PARAM_ERROR; + + if (sha->algorithm == MZ_HASH_SHA1) + result = SHA1_Update(&sha->ctx1, buf, size); + else + result = SHA256_Update(&sha->ctx256, buf, size); + + if (!result) { + sha->error = ERR_get_error(); + return MZ_HASH_ERROR; + } + + return size; +} + +int32_t mz_crypt_sha_end(void *handle, uint8_t *digest, int32_t digest_size) { + mz_crypt_sha *sha = (mz_crypt_sha *)handle; + int32_t result = 0; + + if (sha == NULL || digest == NULL || !sha->initialized) + return MZ_PARAM_ERROR; + + if (sha->algorithm == MZ_HASH_SHA1) { + if (digest_size < MZ_HASH_SHA1_SIZE) + return MZ_BUF_ERROR; + result = SHA1_Final(digest, &sha->ctx1); + } else { + if (digest_size < MZ_HASH_SHA256_SIZE) + return MZ_BUF_ERROR; + result = SHA256_Final(digest, &sha->ctx256); + } + + if (!result) { + sha->error = ERR_get_error(); + return MZ_HASH_ERROR; + } + + return MZ_OK; +} + +void mz_crypt_sha_set_algorithm(void *handle, uint16_t algorithm) { + mz_crypt_sha *sha = (mz_crypt_sha *)handle; + sha->algorithm = algorithm; +} + +void *mz_crypt_sha_create(void **handle) { + mz_crypt_sha *sha = NULL; + + sha = (mz_crypt_sha *)MZ_ALLOC(sizeof(mz_crypt_sha)); + if (sha != NULL) { + memset(sha, 0, sizeof(mz_crypt_sha)); + sha->algorithm = MZ_HASH_SHA256; + } + if (handle != NULL) + *handle = sha; + + return sha; +} + +void mz_crypt_sha_delete(void **handle) { + mz_crypt_sha *sha = NULL; + if (handle == NULL) + return; + sha = (mz_crypt_sha *)*handle; + if (sha != NULL) { + mz_crypt_sha_reset(*handle); + MZ_FREE(sha); + } + *handle = NULL; +} + +/***************************************************************************/ + +typedef struct mz_crypt_aes_s { + AES_KEY key; + int32_t mode; + int32_t error; + uint8_t *key_copy; + int32_t key_length; +} mz_crypt_aes; + +/***************************************************************************/ + +void mz_crypt_aes_reset(void *handle) { + MZ_UNUSED(handle); + + mz_crypt_init(); +} + +int32_t mz_crypt_aes_encrypt(void *handle, uint8_t *buf, int32_t size) { + mz_crypt_aes *aes = (mz_crypt_aes *)handle; + + if (aes == NULL || buf == NULL) + return MZ_PARAM_ERROR; + if (size != MZ_AES_BLOCK_SIZE) + return MZ_PARAM_ERROR; + + AES_encrypt(buf, buf, &aes->key); + /* Equivalent to AES_ecb_encrypt with AES_ENCRYPT */ + return size; +} + +int32_t mz_crypt_aes_decrypt(void *handle, uint8_t *buf, int32_t size) { + mz_crypt_aes *aes = (mz_crypt_aes *)handle; + if (aes == NULL || buf == NULL) + return MZ_PARAM_ERROR; + if (size != MZ_AES_BLOCK_SIZE) + return MZ_PARAM_ERROR; + + AES_decrypt(buf, buf, &aes->key); + /* Equivalent to AES_ecb_encrypt with AES_DECRYPT */ + return size; +} + +int32_t mz_crypt_aes_set_encrypt_key(void *handle, const void *key, int32_t key_length) { + mz_crypt_aes *aes = (mz_crypt_aes *)handle; + int32_t result = 0; + int32_t key_bits = 0; + + + if (aes == NULL || key == NULL) + return MZ_PARAM_ERROR; + + mz_crypt_aes_reset(handle); + + key_bits = key_length * 8; + result = AES_set_encrypt_key(key, key_bits, &aes->key); + if (result) { + aes->error = ERR_get_error(); + return MZ_HASH_ERROR; + } + + return MZ_OK; +} + +int32_t mz_crypt_aes_set_decrypt_key(void *handle, const void *key, int32_t key_length) { + mz_crypt_aes *aes = (mz_crypt_aes *)handle; + int32_t result = 0; + int32_t key_bits = 0; + + + if (aes == NULL || key == NULL) + return MZ_PARAM_ERROR; + + mz_crypt_aes_reset(handle); + + key_bits = key_length * 8; + result = AES_set_decrypt_key(key, key_bits, &aes->key); + if (result) { + aes->error = ERR_get_error(); + return MZ_HASH_ERROR; + } + + return MZ_OK; +} + +void mz_crypt_aes_set_mode(void *handle, int32_t mode) { + mz_crypt_aes *aes = (mz_crypt_aes *)handle; + aes->mode = mode; +} + +void *mz_crypt_aes_create(void **handle) { + mz_crypt_aes *aes = NULL; + + aes = (mz_crypt_aes *)MZ_ALLOC(sizeof(mz_crypt_aes)); + if (aes != NULL) + memset(aes, 0, sizeof(mz_crypt_aes)); + if (handle != NULL) + *handle = aes; + + return aes; +} + +void mz_crypt_aes_delete(void **handle) { + mz_crypt_aes *aes = NULL; + if (handle == NULL) + return; + aes = (mz_crypt_aes *)*handle; + if (aes != NULL) + MZ_FREE(aes); + *handle = NULL; +} + +/***************************************************************************/ + +typedef struct mz_crypt_hmac_s { + HMAC_CTX *ctx; + int32_t initialized; + int32_t error; + uint16_t algorithm; +} mz_crypt_hmac; + +/***************************************************************************/ + +#if (OPENSSL_VERSION_NUMBER < 0x10100000L) || (defined(LIBRESSL_VERSION_NUMBER) && (LIBRESSL_VERSION_NUMBER < 0x2070000fL)) +static HMAC_CTX *HMAC_CTX_new(void) { + HMAC_CTX *ctx = OPENSSL_malloc(sizeof(HMAC_CTX)); + if (ctx != NULL) + HMAC_CTX_init(ctx); + return ctx; +} + +static void HMAC_CTX_free(HMAC_CTX *ctx) { + if (ctx != NULL) { + HMAC_CTX_cleanup(ctx); + OPENSSL_free(ctx); + } +} +#endif + +/***************************************************************************/ + +void mz_crypt_hmac_reset(void *handle) { + mz_crypt_hmac *hmac = (mz_crypt_hmac *)handle; + + HMAC_CTX_free(hmac->ctx); + + hmac->ctx = NULL; + hmac->error = 0; + + mz_crypt_init(); +} + +int32_t mz_crypt_hmac_init(void *handle, const void *key, int32_t key_length) { + mz_crypt_hmac *hmac = (mz_crypt_hmac *)handle; + int32_t result = 0; + const EVP_MD *evp_md = NULL; + + if (hmac == NULL || key == NULL) + return MZ_PARAM_ERROR; + + mz_crypt_hmac_reset(handle); + + hmac->ctx = HMAC_CTX_new(); + + if (hmac->algorithm == MZ_HASH_SHA1) + evp_md = EVP_sha1(); + else + evp_md = EVP_sha256(); + + result = HMAC_Init_ex(hmac->ctx, key, key_length, evp_md, NULL); + if (!result) { + hmac->error = ERR_get_error(); + return MZ_HASH_ERROR; + } + + return MZ_OK; +} + +int32_t mz_crypt_hmac_update(void *handle, const void *buf, int32_t size) { + mz_crypt_hmac *hmac = (mz_crypt_hmac *)handle; + int32_t result = 0; + + if (hmac == NULL || buf == NULL) + return MZ_PARAM_ERROR; + + result = HMAC_Update(hmac->ctx, buf, size); + if (!result) { + hmac->error = ERR_get_error(); + return MZ_HASH_ERROR; + } + + return MZ_OK; +} + +int32_t mz_crypt_hmac_end(void *handle, uint8_t *digest, int32_t digest_size) { + mz_crypt_hmac *hmac = (mz_crypt_hmac *)handle; + int32_t result = 0; + + if (hmac == NULL || digest == NULL) + return MZ_PARAM_ERROR; + + if (hmac->algorithm == MZ_HASH_SHA1) { + if (digest_size < MZ_HASH_SHA1_SIZE) + return MZ_BUF_ERROR; + + result = HMAC_Final(hmac->ctx, digest, (uint32_t *)&digest_size); + } else { + if (digest_size < MZ_HASH_SHA256_SIZE) + return MZ_BUF_ERROR; + result = HMAC_Final(hmac->ctx, digest, (uint32_t *)&digest_size); + } + + if (!result) { + hmac->error = ERR_get_error(); + return MZ_HASH_ERROR; + } + + return MZ_OK; +} + +void mz_crypt_hmac_set_algorithm(void *handle, uint16_t algorithm) { + mz_crypt_hmac *hmac = (mz_crypt_hmac *)handle; + hmac->algorithm = algorithm; +} + +int32_t mz_crypt_hmac_copy(void *src_handle, void *target_handle) { + mz_crypt_hmac *source = (mz_crypt_hmac *)src_handle; + mz_crypt_hmac *target = (mz_crypt_hmac *)target_handle; + int32_t result = 0; + + if (source == NULL || target == NULL) + return MZ_PARAM_ERROR; + + mz_crypt_hmac_reset(target_handle); + + if (target->ctx == NULL) + target->ctx = HMAC_CTX_new(); + + result = HMAC_CTX_copy(target->ctx, source->ctx); + if (!result) { + target->error = ERR_get_error(); + return MZ_HASH_ERROR; + } + + return MZ_OK; +} + +void *mz_crypt_hmac_create(void **handle) { + mz_crypt_hmac *hmac = NULL; + + hmac = (mz_crypt_hmac *)MZ_ALLOC(sizeof(mz_crypt_hmac)); + if (hmac != NULL) { + memset(hmac, 0, sizeof(mz_crypt_hmac)); + hmac->algorithm = MZ_HASH_SHA256; + } + if (handle != NULL) + *handle = hmac; + + return hmac; +} + +void mz_crypt_hmac_delete(void **handle) { + mz_crypt_hmac *hmac = NULL; + if (handle == NULL) + return; + hmac = (mz_crypt_hmac *)*handle; + if (hmac != NULL) { + mz_crypt_hmac_reset(*handle); + MZ_FREE(hmac); + } + *handle = NULL; +} + +/***************************************************************************/ + +#if defined(MZ_ZIP_SIGNING) +int32_t mz_crypt_sign(uint8_t *message, int32_t message_size, uint8_t *cert_data, int32_t cert_data_size, + const char *cert_pwd, uint8_t **signature, int32_t *signature_size) { + PKCS12 *p12 = NULL; + EVP_PKEY *evp_pkey = NULL; + BUF_MEM *buf_mem = NULL; + BIO *cert_bio = NULL; + BIO *message_bio = NULL; + BIO *signature_bio = NULL; + CMS_ContentInfo *cms = NULL; + CMS_SignerInfo *signer_info = NULL; + STACK_OF(X509) *ca_stack = NULL; + X509 *cert = NULL; + int32_t result = 0; + int32_t err = MZ_OK; + + + if (message == NULL || cert_data == NULL || signature == NULL || signature_size == NULL) + return MZ_PARAM_ERROR; + + mz_crypt_init(); + + *signature = NULL; + *signature_size = 0; + + cert_bio = BIO_new_mem_buf(cert_data, cert_data_size); + + if (d2i_PKCS12_bio(cert_bio, &p12) == NULL) + err = MZ_SIGN_ERROR; + if (err == MZ_OK) + result = PKCS12_parse(p12, cert_pwd, &evp_pkey, &cert, &ca_stack); + if (result) { + cms = CMS_sign(NULL, NULL, ca_stack, NULL, CMS_BINARY | CMS_PARTIAL); + if (cms) + signer_info = CMS_add1_signer(cms, cert, evp_pkey, EVP_sha256(), 0); + if (signer_info == NULL) { + err = MZ_SIGN_ERROR; + } else { + message_bio = BIO_new_mem_buf(message, message_size); + signature_bio = BIO_new(BIO_s_mem()); + + result = CMS_final(cms, message_bio, NULL, CMS_BINARY); + if (result) + result = i2d_CMS_bio(signature_bio, cms); + if (result) { + BIO_flush(signature_bio); + BIO_get_mem_ptr(signature_bio, &buf_mem); + + *signature_size = buf_mem->length; + *signature = MZ_ALLOC(buf_mem->length); + + memcpy(*signature, buf_mem->data, buf_mem->length); + } +#if 0 + BIO *yy = BIO_new_file("xyz", "wb"); + BIO_write(yy, *signature, *signature_size); + BIO_flush(yy); + BIO_free(yy); +#endif + } + } + + if (!result) + err = MZ_SIGN_ERROR; + + if (cms) + CMS_ContentInfo_free(cms); + if (signature_bio) + BIO_free(signature_bio); + if (cert_bio) + BIO_free(cert_bio); + if (message_bio) + BIO_free(message_bio); + if (p12) + PKCS12_free(p12); + + if (err != MZ_OK && *signature != NULL) { + MZ_FREE(*signature); + *signature = NULL; + *signature_size = 0; + } + + return err; +} + +int32_t mz_crypt_sign_verify(uint8_t *message, int32_t message_size, uint8_t *signature, int32_t signature_size) { + CMS_ContentInfo *cms = NULL; + STACK_OF(X509) *signers = NULL; + STACK_OF(X509) *intercerts = NULL; + X509_STORE *cert_store = NULL; + X509_LOOKUP *lookup = NULL; + X509_STORE_CTX *store_ctx = NULL; + BIO *message_bio = NULL; + BIO *signature_bio = NULL; + BUF_MEM *buf_mem = NULL; + int32_t signer_count = 0; + int32_t result = 0; + int32_t i = 0; + int32_t err = MZ_SIGN_ERROR; + + + if (message == NULL || message_size == 0 || signature == NULL || signature_size == 0) + return MZ_PARAM_ERROR; + + mz_crypt_init(); + + cert_store = X509_STORE_new(); + + X509_STORE_load_locations(cert_store, "cacert.pem", NULL); + X509_STORE_set_default_paths(cert_store); + +#if 0 + BIO *yy = BIO_new_file("xyz", "wb"); + BIO_write(yy, signature, signature_size); + BIO_flush(yy); + BIO_free(yy); +#endif + + lookup = X509_STORE_add_lookup(cert_store, X509_LOOKUP_file()); + if (lookup != NULL) + X509_LOOKUP_load_file(lookup, "cacert.pem", X509_FILETYPE_PEM); + lookup = X509_STORE_add_lookup(cert_store, X509_LOOKUP_hash_dir()); + if (lookup != NULL) + X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT); + + signature_bio = BIO_new_mem_buf(signature, signature_size); + message_bio = BIO_new(BIO_s_mem()); + + cms = d2i_CMS_bio(signature_bio, NULL); + if (cms) { + result = CMS_verify(cms, NULL, cert_store, NULL, message_bio, CMS_NO_SIGNER_CERT_VERIFY | CMS_BINARY); + if (result) + signers = CMS_get0_signers(cms); + if (signers) + intercerts = CMS_get1_certs(cms); + if (intercerts) { + /* Verify signer certificates */ + signer_count = sk_X509_num(signers); + if (signer_count > 0) + err = MZ_OK; + + for (i = 0; i < signer_count; i++) { + store_ctx = X509_STORE_CTX_new(); + X509_STORE_CTX_init(store_ctx, cert_store, sk_X509_value(signers, i), intercerts); + result = X509_verify_cert(store_ctx); + if (store_ctx) + X509_STORE_CTX_free(store_ctx); + + if (!result) { + err = MZ_SIGN_ERROR; + break; + } + } + } + + BIO_get_mem_ptr(message_bio, &buf_mem); + + if (err == MZ_OK) { + /* Verify the message */ + if (((int32_t)buf_mem->length != message_size) || + (memcmp(buf_mem->data, message, message_size) != 0)) + err = MZ_SIGN_ERROR; + } + } + +#if 0 + if (!result) + printf(ERR_error_string(ERR_get_error(), NULL)); +#endif + + if (cms) + CMS_ContentInfo_free(cms); + if (message_bio) + BIO_free(message_bio); + if (signature_bio) + BIO_free(signature_bio); + if (cert_store) + X509_STORE_free(cert_store); + + return err; +} +#endif diff --git a/Externals/minizip/mz_crypt_win32.c b/Externals/minizip/mz_crypt_win32.c new file mode 100644 index 0000000000..6ec6a848d0 --- /dev/null +++ b/Externals/minizip/mz_crypt_win32.c @@ -0,0 +1,739 @@ +/* mz_crypt_win32.c -- Crypto/hash functions for Windows + part of the minizip-ng project + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. +*/ + +#include "mz.h" +#include "mz_os.h" +#include "mz_crypt.h" + +#include <windows.h> +#include <wincrypt.h> + +/***************************************************************************/ + +int32_t mz_crypt_rand(uint8_t *buf, int32_t size) { + HCRYPTPROV provider; + int32_t result = 0; + + + result = CryptAcquireContext(&provider, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT | CRYPT_SILENT); + if (result) { + result = CryptGenRandom(provider, size, buf); + CryptReleaseContext(provider, 0); + if (result) + return size; + } + + return mz_os_rand(buf, size); +} + +/***************************************************************************/ + +typedef struct mz_crypt_sha_s { + HCRYPTPROV provider; + HCRYPTHASH hash; + int32_t error; + uint16_t algorithm; +} mz_crypt_sha; + +/***************************************************************************/ + +void mz_crypt_sha_reset(void *handle) { + mz_crypt_sha *sha = (mz_crypt_sha *)handle; + if (sha->hash) + CryptDestroyHash(sha->hash); + sha->hash = 0; + if (sha->provider) + CryptReleaseContext(sha->provider, 0); + sha->provider = 0; + sha->error = 0; +} + +int32_t mz_crypt_sha_begin(void *handle) { + mz_crypt_sha *sha = (mz_crypt_sha *)handle; + ALG_ID alg_id = 0; + int32_t result = 0; + int32_t err = MZ_OK; + + + if (sha == NULL) + return MZ_PARAM_ERROR; + + if (sha->algorithm == MZ_HASH_SHA1) + alg_id = CALG_SHA1; + else + alg_id = CALG_SHA_256; + + result = CryptAcquireContext(&sha->provider, NULL, NULL, PROV_RSA_AES, CRYPT_VERIFYCONTEXT | CRYPT_SILENT); + if (!result) { + sha->error = GetLastError(); + err = MZ_CRYPT_ERROR; + } + + if (result) { + result = CryptCreateHash(sha->provider, alg_id, 0, 0, &sha->hash); + if (!result) { + sha->error = GetLastError(); + err = MZ_HASH_ERROR; + } + } + + return err; +} + +int32_t mz_crypt_sha_update(void *handle, const void *buf, int32_t size) { + mz_crypt_sha *sha = (mz_crypt_sha *)handle; + int32_t result = 0; + + if (sha == NULL || buf == NULL || sha->hash == 0) + return MZ_PARAM_ERROR; + result = CryptHashData(sha->hash, buf, size, 0); + if (!result) { + sha->error = GetLastError(); + return MZ_HASH_ERROR; + } + return size; +} + +int32_t mz_crypt_sha_end(void *handle, uint8_t *digest, int32_t digest_size) { + mz_crypt_sha *sha = (mz_crypt_sha *)handle; + int32_t result = 0; + int32_t expected_size = 0; + + if (sha == NULL || digest == NULL || sha->hash == 0) + return MZ_PARAM_ERROR; + result = CryptGetHashParam(sha->hash, HP_HASHVAL, NULL, (DWORD *)&expected_size, 0); + if (expected_size > digest_size) + return MZ_BUF_ERROR; + if (!result) + return MZ_HASH_ERROR; + result = CryptGetHashParam(sha->hash, HP_HASHVAL, digest, (DWORD *)&digest_size, 0); + if (!result) { + sha->error = GetLastError(); + return MZ_HASH_ERROR; + } + return MZ_OK; +} + +void mz_crypt_sha_set_algorithm(void *handle, uint16_t algorithm) { + mz_crypt_sha *sha = (mz_crypt_sha *)handle; + sha->algorithm = algorithm; +} + +void *mz_crypt_sha_create(void **handle) { + mz_crypt_sha *sha = NULL; + + sha = (mz_crypt_sha *)MZ_ALLOC(sizeof(mz_crypt_sha)); + if (sha != NULL) { + memset(sha, 0, sizeof(mz_crypt_sha)); + sha->algorithm = MZ_HASH_SHA256; + } + if (handle != NULL) + *handle = sha; + + return sha; +} + +void mz_crypt_sha_delete(void **handle) { + mz_crypt_sha *sha = NULL; + if (handle == NULL) + return; + sha = (mz_crypt_sha *)*handle; + if (sha != NULL) { + mz_crypt_sha_reset(*handle); + MZ_FREE(sha); + } + *handle = NULL; +} + +/***************************************************************************/ + +typedef struct mz_crypt_aes_s { + HCRYPTPROV provider; + HCRYPTKEY key; + int32_t mode; + int32_t error; +} mz_crypt_aes; + +/***************************************************************************/ + +static void mz_crypt_aes_free(void *handle) { + mz_crypt_aes *aes = (mz_crypt_aes *)handle; + if (aes->key) + CryptDestroyKey(aes->key); + aes->key = 0; + if (aes->provider) + CryptReleaseContext(aes->provider, 0); + aes->provider = 0; +} + +void mz_crypt_aes_reset(void *handle) { + mz_crypt_aes_free(handle); +} + +int32_t mz_crypt_aes_encrypt(void *handle, uint8_t *buf, int32_t size) { + mz_crypt_aes *aes = (mz_crypt_aes *)handle; + int32_t result = 0; + + if (aes == NULL || buf == NULL) + return MZ_PARAM_ERROR; + if (size != MZ_AES_BLOCK_SIZE) + return MZ_PARAM_ERROR; + result = CryptEncrypt(aes->key, 0, 0, 0, buf, (DWORD *)&size, size); + if (!result) { + aes->error = GetLastError(); + return MZ_CRYPT_ERROR; + } + return size; +} + +int32_t mz_crypt_aes_decrypt(void *handle, uint8_t *buf, int32_t size) { + mz_crypt_aes *aes = (mz_crypt_aes *)handle; + int32_t result = 0; + if (aes == NULL || buf == NULL) + return MZ_PARAM_ERROR; + if (size != MZ_AES_BLOCK_SIZE) + return MZ_PARAM_ERROR; + result = CryptDecrypt(aes->key, 0, 0, 0, buf, (DWORD *)&size); + if (!result) { + aes->error = GetLastError(); + return MZ_CRYPT_ERROR; + } + return size; +} + +static int32_t mz_crypt_aes_set_key(void *handle, const void *key, int32_t key_length) { + mz_crypt_aes *aes = (mz_crypt_aes *)handle; + HCRYPTHASH hash = 0; + ALG_ID alg_id = 0; + typedef struct key_blob_header_s { + BLOBHEADER hdr; + uint32_t key_length; + } key_blob_header_s; + key_blob_header_s *key_blob_s = NULL; + uint32_t mode = CRYPT_MODE_ECB; + uint8_t *key_blob = NULL; + int32_t key_blob_size = 0; + int32_t result = 0; + int32_t err = MZ_OK; + + + if (aes == NULL || key == NULL) + return MZ_PARAM_ERROR; + + mz_crypt_aes_reset(handle); + + if (key_length == MZ_AES_KEY_LENGTH(MZ_AES_ENCRYPTION_MODE_128)) + alg_id = CALG_AES_128; + else if (key_length == MZ_AES_KEY_LENGTH(MZ_AES_ENCRYPTION_MODE_192)) + alg_id = CALG_AES_192; + else if (key_length == MZ_AES_KEY_LENGTH(MZ_AES_ENCRYPTION_MODE_256)) + alg_id = CALG_AES_256; + else + return MZ_PARAM_ERROR; + + result = CryptAcquireContext(&aes->provider, NULL, MS_ENH_RSA_AES_PROV, PROV_RSA_AES, CRYPT_VERIFYCONTEXT | CRYPT_SILENT); + if (result) { + key_blob_size = sizeof(key_blob_header_s) + key_length; + key_blob = (uint8_t *)MZ_ALLOC(key_blob_size); + if (key_blob) { + key_blob_s = (key_blob_header_s *)key_blob; + key_blob_s->hdr.bType = PLAINTEXTKEYBLOB; + key_blob_s->hdr.bVersion = CUR_BLOB_VERSION; + key_blob_s->hdr.aiKeyAlg = alg_id; + key_blob_s->hdr.reserved = 0; + key_blob_s->key_length = key_length; + + memcpy(key_blob + sizeof(key_blob_header_s), key, key_length); + + result = CryptImportKey(aes->provider, key_blob, key_blob_size, 0, 0, &aes->key); + + SecureZeroMemory(key_blob, key_blob_size); + MZ_FREE(key_blob); + } else { + err = MZ_MEM_ERROR; + } + } + + if (result && err == MZ_OK) + result = CryptSetKeyParam(aes->key, KP_MODE, (const uint8_t *)&mode, 0); + + if (!result && err == MZ_OK) { + aes->error = GetLastError(); + err = MZ_CRYPT_ERROR; + } + + if (hash) + CryptDestroyHash(hash); + + return err; +} + +int32_t mz_crypt_aes_set_encrypt_key(void *handle, const void *key, int32_t key_length) { + return mz_crypt_aes_set_key(handle, key, key_length); +} + +int32_t mz_crypt_aes_set_decrypt_key(void *handle, const void *key, int32_t key_length) { + return mz_crypt_aes_set_key(handle, key, key_length); +} + +void mz_crypt_aes_set_mode(void *handle, int32_t mode) { + mz_crypt_aes *aes = (mz_crypt_aes *)handle; + aes->mode = mode; +} + +void *mz_crypt_aes_create(void **handle) { + mz_crypt_aes *aes = NULL; + + aes = (mz_crypt_aes *)MZ_ALLOC(sizeof(mz_crypt_aes)); + if (aes != NULL) + memset(aes, 0, sizeof(mz_crypt_aes)); + if (handle != NULL) + *handle = aes; + + return aes; +} + +void mz_crypt_aes_delete(void **handle) { + mz_crypt_aes *aes = NULL; + if (handle == NULL) + return; + aes = (mz_crypt_aes *)*handle; + if (aes != NULL) { + mz_crypt_aes_free(*handle); + MZ_FREE(aes); + } + *handle = NULL; +} + +/***************************************************************************/ + +typedef struct mz_crypt_hmac_s { + HCRYPTPROV provider; + HCRYPTHASH hash; + HCRYPTKEY key; + HMAC_INFO info; + int32_t mode; + int32_t error; + uint16_t algorithm; +} mz_crypt_hmac; + +/***************************************************************************/ + +static void mz_crypt_hmac_free(void *handle) { + mz_crypt_hmac *hmac = (mz_crypt_hmac *)handle; + if (hmac->key) + CryptDestroyKey(hmac->key); + hmac->key = 0; + if (hmac->hash) + CryptDestroyHash(hmac->hash); + hmac->hash = 0; + if (hmac->provider) + CryptReleaseContext(hmac->provider, 0); + hmac->provider = 0; + memset(&hmac->info, 0, sizeof(hmac->info)); +} + +void mz_crypt_hmac_reset(void *handle) { + mz_crypt_hmac_free(handle); +} + +int32_t mz_crypt_hmac_init(void *handle, const void *key, int32_t key_length) { + mz_crypt_hmac *hmac = (mz_crypt_hmac *)handle; + ALG_ID alg_id = 0; + typedef struct key_blob_header_s { + BLOBHEADER hdr; + uint32_t key_length; + } key_blob_header_s; + key_blob_header_s *key_blob_s = NULL; + uint8_t *key_blob = NULL; + int32_t key_blob_size = 0; + int32_t result = 0; + int32_t err = MZ_OK; + + + if (hmac == NULL || key == NULL) + return MZ_PARAM_ERROR; + + mz_crypt_hmac_reset(handle); + + if (hmac->algorithm == MZ_HASH_SHA1) + alg_id = CALG_SHA1; + else + alg_id = CALG_SHA_256; + + hmac->info.HashAlgid = alg_id; + + result = CryptAcquireContext(&hmac->provider, NULL, MS_ENHANCED_PROV, PROV_RSA_FULL, + CRYPT_VERIFYCONTEXT | CRYPT_SILENT); + + if (!result) { + hmac->error = GetLastError(); + err = MZ_CRYPT_ERROR; + } else { + /* Zero-pad odd key lengths */ + if (key_length % 2 == 1) + key_length += 1; + key_blob_size = sizeof(key_blob_header_s) + key_length; + key_blob = (uint8_t *)MZ_ALLOC(key_blob_size); + } + + if (key_blob) { + memset(key_blob, 0, key_blob_size); + key_blob_s = (key_blob_header_s *)key_blob; + key_blob_s->hdr.bType = PLAINTEXTKEYBLOB; + key_blob_s->hdr.bVersion = CUR_BLOB_VERSION; + key_blob_s->hdr.aiKeyAlg = CALG_RC2; + key_blob_s->hdr.reserved = 0; + key_blob_s->key_length = key_length; + + memcpy(key_blob + sizeof(key_blob_header_s), key, key_length); + + result = CryptImportKey(hmac->provider, key_blob, key_blob_size, 0, CRYPT_IPSEC_HMAC_KEY, &hmac->key); + if (result) + result = CryptCreateHash(hmac->provider, CALG_HMAC, hmac->key, 0, &hmac->hash); + if (result) + result = CryptSetHashParam(hmac->hash, HP_HMAC_INFO, (uint8_t *)&hmac->info, 0); + + SecureZeroMemory(key_blob, key_blob_size); + MZ_FREE(key_blob); + } else if (err == MZ_OK) { + err = MZ_MEM_ERROR; + } + + if (!result) { + hmac->error = GetLastError(); + err = MZ_CRYPT_ERROR; + } + + if (err != MZ_OK) + mz_crypt_hmac_free(handle); + + return err; +} + +int32_t mz_crypt_hmac_update(void *handle, const void *buf, int32_t size) { + mz_crypt_hmac *hmac = (mz_crypt_hmac *)handle; + int32_t result = 0; + + if (hmac == NULL || buf == NULL || hmac->hash == 0) + return MZ_PARAM_ERROR; + + result = CryptHashData(hmac->hash, buf, size, 0); + if (!result) { + hmac->error = GetLastError(); + return MZ_HASH_ERROR; + } + return MZ_OK; +} + +int32_t mz_crypt_hmac_end(void *handle, uint8_t *digest, int32_t digest_size) { + mz_crypt_hmac *hmac = (mz_crypt_hmac *)handle; + int32_t result = 0; + int32_t expected_size = 0; + + if (hmac == NULL || digest == NULL || hmac->hash == 0) + return MZ_PARAM_ERROR; + result = CryptGetHashParam(hmac->hash, HP_HASHVAL, NULL, (DWORD *)&expected_size, 0); + if (expected_size > digest_size) + return MZ_BUF_ERROR; + if (!result) + return MZ_HASH_ERROR; + result = CryptGetHashParam(hmac->hash, HP_HASHVAL, digest, (DWORD *)&digest_size, 0); + if (!result) { + hmac->error = GetLastError(); + return MZ_HASH_ERROR; + } + return MZ_OK; +} + +void mz_crypt_hmac_set_algorithm(void *handle, uint16_t algorithm) { + mz_crypt_hmac *hmac = (mz_crypt_hmac *)handle; + hmac->algorithm = algorithm; +} + +int32_t mz_crypt_hmac_copy(void *src_handle, void *target_handle) { + mz_crypt_hmac *source = (mz_crypt_hmac *)src_handle; + mz_crypt_hmac *target = (mz_crypt_hmac *)target_handle; + int32_t result = 0; + int32_t err = MZ_OK; + + if (target->hash) { + CryptDestroyHash(target->hash); + target->hash = 0; + } + + result = CryptDuplicateHash(source->hash, NULL, 0, &target->hash); + + if (!result) { + target->error = GetLastError(); + err = MZ_HASH_ERROR; + } + return err; +} + +void *mz_crypt_hmac_create(void **handle) { + mz_crypt_hmac *hmac = NULL; + + hmac = (mz_crypt_hmac *)MZ_ALLOC(sizeof(mz_crypt_hmac)); + if (hmac != NULL) { + memset(hmac, 0, sizeof(mz_crypt_hmac)); + hmac->algorithm = MZ_HASH_SHA256; + } + if (handle != NULL) + *handle = hmac; + + return hmac; +} + +void mz_crypt_hmac_delete(void **handle) { + mz_crypt_hmac *hmac = NULL; + if (handle == NULL) + return; + hmac = (mz_crypt_hmac *)*handle; + if (hmac != NULL) { + mz_crypt_hmac_free(*handle); + MZ_FREE(hmac); + } + *handle = NULL; +} + +/***************************************************************************/ + +#if defined(MZ_ZIP_SIGNING) +int32_t mz_crypt_sign(uint8_t *message, int32_t message_size, uint8_t *cert_data, int32_t cert_data_size, + const char *cert_pwd, uint8_t **signature, int32_t *signature_size) { + CRYPT_SIGN_MESSAGE_PARA sign_params; + CRYPT_DATA_BLOB cert_data_blob; + PCCERT_CONTEXT cert_context = NULL; + HCERTSTORE cert_store = 0; + wchar_t *password_wide = NULL; + int32_t result = 0; + int32_t err = MZ_OK; + uint32_t messages_sizes[1]; + uint8_t *messages[1]; + + + if (message == NULL || cert_data == NULL || signature == NULL || signature_size == NULL) + return MZ_PARAM_ERROR; + + *signature = NULL; + *signature_size = 0; + + cert_data_blob.pbData = cert_data; + cert_data_blob.cbData = cert_data_size; + + password_wide = mz_os_unicode_string_create(cert_pwd, MZ_ENCODING_UTF8); + if (password_wide) { + cert_store = PFXImportCertStore(&cert_data_blob, password_wide, 0); + mz_os_unicode_string_delete(&password_wide); + } + + if (cert_store == NULL) + cert_store = PFXImportCertStore(&cert_data_blob, L"", 0); + if (cert_store == NULL) + cert_store = PFXImportCertStore(&cert_data_blob, NULL, 0); + if (cert_store == NULL) + return MZ_PARAM_ERROR; + + if (err == MZ_OK) { + cert_context = CertFindCertificateInStore(cert_store, + X509_ASN_ENCODING | PKCS_7_ASN_ENCODING, 0, CERT_FIND_HAS_PRIVATE_KEY, NULL, NULL); + if (cert_context == NULL) + err = MZ_PARAM_ERROR; + } + if (err == MZ_OK) { + memset(&sign_params, 0, sizeof(sign_params)); + + sign_params.cbSize = sizeof(sign_params); + sign_params.dwMsgEncodingType = PKCS_7_ASN_ENCODING | X509_ASN_ENCODING; + sign_params.pSigningCert = cert_context; + sign_params.HashAlgorithm.pszObjId = szOID_NIST_sha256; + sign_params.cMsgCert = 1; + sign_params.rgpMsgCert = &cert_context; + + messages[0] = message; + messages_sizes[0] = message_size; + +#if 0 /* Timestamp support */ + CRYPT_ATTR_BLOB crypt_blob; + CRYPT_TIMESTAMP_CONTEXT *ts_context = NULL; + CRYPT_ATTRIBUTE unauth_attribs[1]; + wchar_t *timestamp_url_wide = NULL; + const char *timestamp_url = NULL; + + if (timestamp_url != NULL) + timestamp_url_wide = mz_os_unicode_string_create(timestamp_url); + if (timestamp_url_wide != NULL) { + result = CryptRetrieveTimeStamp(timestamp_url_wide, + TIMESTAMP_NO_AUTH_RETRIEVAL | TIMESTAMP_VERIFY_CONTEXT_SIGNATURE, 0, szOID_NIST_sha256, + NULL, message, message_size, &ts_context, NULL, NULL); + + mz_os_unicode_string_delete(×tamp_url_wide); + + if ((result) && (ts_context != NULL)) { + crypt_blob.cbData = ts_context->cbEncoded; + crypt_blob.pbData = ts_context->pbEncoded; + + unauth_attribs[0].pszObjId = "1.2.840.113549.1.9.16.2.14"; //id-smime-aa-timeStampToken + unauth_attribs[0].cValue = 1; + unauth_attribs[0].rgValue = &crypt_blob; + + sign_params.rgUnauthAttr = &unauth_attribs[0]; + sign_params.cUnauthAttr = 1; + } + } + + if (ts_context != NULL) + CryptMemFree(ts_context); + + if (result) +#endif + + result = CryptSignMessage(&sign_params, FALSE, 1, (const BYTE **)messages, (DWORD *)messages_sizes, + NULL, (DWORD *)signature_size); + + if (result && *signature_size > 0) + *signature = (uint8_t *)MZ_ALLOC(*signature_size); + + if (result && *signature != NULL) + result = CryptSignMessage(&sign_params, FALSE, 1, (const BYTE **)messages, (DWORD *)messages_sizes, + *signature, (DWORD *)signature_size); + + if (!result) + err = MZ_SIGN_ERROR; + } + + if (cert_context != NULL) + CertFreeCertificateContext(cert_context); + if (cert_store != NULL) + CertCloseStore(cert_store, 0); + + return err; +} + +int32_t mz_crypt_sign_verify(uint8_t *message, int32_t message_size, uint8_t *signature, int32_t signature_size) { + CRYPT_VERIFY_MESSAGE_PARA verify_params; + CERT_CONTEXT *signer_cert = NULL; + CERT_CHAIN_PARA chain_para; + CERT_CHAIN_CONTEXT *chain_context = NULL; + CERT_CHAIN_POLICY_PARA chain_policy; + CERT_CHAIN_POLICY_STATUS chain_policy_status; + HCRYPTMSG crypt_msg = 0; + int32_t result = 0; + int32_t err = MZ_SIGN_ERROR; + uint8_t *decoded = NULL; + int32_t decoded_size = 0; + + + memset(&verify_params, 0, sizeof(verify_params)); + + verify_params.cbSize = sizeof(verify_params); + verify_params.dwMsgAndCertEncodingType = PKCS_7_ASN_ENCODING | X509_ASN_ENCODING; + + result = CryptVerifyMessageSignature(&verify_params, 0, signature, signature_size, + NULL, (DWORD *)&decoded_size, NULL); + + if (result && decoded_size > 0) + decoded = (uint8_t *)MZ_ALLOC(decoded_size); + + if (result && decoded != NULL) + result = CryptVerifyMessageSignature(&verify_params, 0, signature, signature_size, + decoded, (DWORD *)&decoded_size, (const CERT_CONTEXT **)&signer_cert); + + /* Get and validate certificate chain */ + memset(&chain_para, 0, sizeof(chain_para)); + + if (result && signer_cert != NULL) + result = CertGetCertificateChain(NULL, signer_cert, NULL, NULL, &chain_para, + CERT_CHAIN_REVOCATION_CHECK_CHAIN_EXCLUDE_ROOT, NULL, (const CERT_CHAIN_CONTEXT **)&chain_context); + + memset(&chain_policy, 0, sizeof(chain_policy)); + chain_policy.cbSize = sizeof(CERT_CHAIN_POLICY_PARA); + + memset(&chain_policy_status, 0, sizeof(chain_policy_status)); + chain_policy_status.cbSize = sizeof(CERT_CHAIN_POLICY_STATUS); + + if (result && chain_context != NULL) + result = CertVerifyCertificateChainPolicy(CERT_CHAIN_POLICY_BASE, chain_context, + &chain_policy, &chain_policy_status); + + if (chain_policy_status.dwError != S_OK) + result = 0; + +#if 0 + crypt_msg = CryptMsgOpenToDecode(PKCS_7_ASN_ENCODING | X509_ASN_ENCODING, 0, 0, 0, NULL, NULL); + if (crypt_msg != NULL) { + /* Timestamp support */ + PCRYPT_ATTRIBUTES unauth_attribs = NULL; + HCRYPTMSG ts_msg = 0; + uint8_t *ts_content = NULL; + int32_t ts_content_size = 0; + uint8_t *ts_signature = NULL; + int32_t ts_signature_size = 0; + + result = CryptMsgUpdate(crypt_msg, signature, signature_size, 1); + + if (result) + CryptMsgGetParam(crypt_msg, CMSG_SIGNER_UNAUTH_ATTR_PARAM, 0, NULL, &ts_signature_size); + + if ((result) && (ts_signature_size > 0)) + ts_signature = (uint8_t *)MZ_ALLOC(ts_signature_size); + + if ((result) && (ts_signature != NULL)) { + result = CryptMsgGetParam(crypt_msg, CMSG_SIGNER_UNAUTH_ATTR_PARAM, 0, ts_signature, + &ts_signature_size); + if (result) + { + unauth_attribs = (PCRYPT_ATTRIBUTES)ts_signature; + + if ((unauth_attribs->cAttr > 0) && (unauth_attribs->rgAttr[0].cValue > 0)) + { + ts_content = unauth_attribs->rgAttr[0].rgValue->pbData; + ts_content_size = unauth_attribs->rgAttr[0].rgValue->cbData; + } + } + + if ((result) && (ts_content != NULL)) + result = CryptVerifyTimeStampSignature(ts_content, ts_content_size, decoded, + decoded_size, 0, &crypt_context, NULL, NULL); + + if (result) + err = MZ_OK; + } + + if (ts_signature != NULL) + MZ_FREE(ts_signature); + + if (crypt_context != NULL) + CryptMemFree(crypt_context); + } else { + result = 0; + } +#endif + + if ((result) && (decoded != NULL) && (decoded_size == message_size)) { + /* Verify cms message with our stored message */ + if (memcmp(decoded, message, message_size) == 0) + err = MZ_OK; + } + + if (chain_context != NULL) + CertFreeCertificateChain(chain_context); + if (signer_cert != NULL) + CertFreeCertificateContext(signer_cert); + if (crypt_msg != NULL) + CryptMsgClose(crypt_msg); + + if (decoded != NULL) + MZ_FREE(decoded); + + return err; +} +#endif diff --git a/Externals/minizip/mz_os.c b/Externals/minizip/mz_os.c new file mode 100644 index 0000000000..f96befe64c --- /dev/null +++ b/Externals/minizip/mz_os.c @@ -0,0 +1,354 @@ +/* mz_os.c -- System functions + part of the minizip-ng project + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + Copyright (C) 1998-2010 Gilles Vollant + https://www.winimage.com/zLibDll/minizip.html + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. +*/ + +#include "mz.h" +#include "mz_crypt.h" +#include "mz_os.h" +#include "mz_strm.h" +#include "mz_strm_os.h" + +#include <ctype.h> /* tolower */ + +/***************************************************************************/ + +int32_t mz_path_combine(char *path, const char *join, int32_t max_path) { + int32_t path_len = 0; + + if (path == NULL || join == NULL || max_path == 0) + return MZ_PARAM_ERROR; + + path_len = (int32_t)strlen(path); + + if (path_len == 0) { + strncpy(path, join, max_path - 1); + path[max_path - 1] = 0; + } else { + mz_path_append_slash(path, max_path, MZ_PATH_SLASH_PLATFORM); + strncat(path, join, max_path - path_len); + } + + return MZ_OK; +} + +int32_t mz_path_append_slash(char *path, int32_t max_path, char slash) { + int32_t path_len = (int32_t)strlen(path); + if ((path_len + 2) >= max_path) + return MZ_BUF_ERROR; + if (path[path_len - 1] != '\\' && path[path_len - 1] != '/') { + path[path_len] = slash; + path[path_len + 1] = 0; + } + return MZ_OK; +} + +int32_t mz_path_remove_slash(char *path) { + int32_t path_len = (int32_t)strlen(path); + while (path_len > 0) { + if (path[path_len - 1] == '\\' || path[path_len - 1] == '/') + path[path_len - 1] = 0; + else + break; + + path_len -= 1; + } + return MZ_OK; +} + +int32_t mz_path_has_slash(const char *path) { + int32_t path_len = (int32_t)strlen(path); + if (path[path_len - 1] != '\\' && path[path_len - 1] != '/') + return MZ_EXIST_ERROR; + return MZ_OK; +} + +int32_t mz_path_convert_slashes(char *path, char slash) { + int32_t i = 0; + + for (i = 0; i < (int32_t)strlen(path); i += 1) { + if (path[i] == '\\' || path[i] == '/') + path[i] = slash; + } + return MZ_OK; +} + +int32_t mz_path_compare_wc(const char *path, const char *wildcard, uint8_t ignore_case) { + while (*path != 0) { + switch (*wildcard) { + case '*': + + if (*(wildcard + 1) == 0) + return MZ_OK; + + while (*path != 0) { + if (mz_path_compare_wc(path, (wildcard + 1), ignore_case) == MZ_OK) + return MZ_OK; + + path += 1; + } + + return MZ_EXIST_ERROR; + + default: + /* Ignore differences in path slashes on platforms */ + if ((*path == '\\' && *wildcard == '/') || (*path == '/' && *wildcard == '\\')) + break; + + if (ignore_case) { + if (tolower(*path) != tolower(*wildcard)) + return MZ_EXIST_ERROR; + } else { + if (*path != *wildcard) + return MZ_EXIST_ERROR; + } + + break; + } + + path += 1; + wildcard += 1; + } + + if ((*wildcard != 0) && (*wildcard != '*')) + return MZ_EXIST_ERROR; + + return MZ_OK; +} + +int32_t mz_path_resolve(const char *path, char *output, int32_t max_output) { + const char *source = path; + const char *check = output; + char *target = output; + + + if (max_output <= 0) + return MZ_PARAM_ERROR; + + while (*source != 0 && max_output > 1) { + check = source; + if ((*check == '\\') || (*check == '/')) + check += 1; + + if ((source == path) || (target == output) || (check != source)) { + /* Skip double paths */ + if ((*check == '\\') || (*check == '/')) { + source += 1; + continue; + } + if (*check == '.') { + check += 1; + + /* Remove . if at end of string and not at the beginning */ + if ((*check == 0) && (source != path && target != output)) { + /* Copy last slash */ + *target = *source; + target += 1; + max_output -= 1; + source += (check - source); + continue; + } + /* Remove . if not at end of string */ + else if ((*check == '\\') || (*check == '/')) { + source += (check - source); + /* Skip slash if at beginning of string */ + if (target == output && *source != 0) + source += 1; + continue; + } + /* Go to parent directory .. */ + else if (*check == '.') { + check += 1; + if ((*check == 0) || (*check == '\\' || *check == '/')) { + source += (check - source); + + /* Search backwards for previous slash */ + if (target != output) { + target -= 1; + do { + if ((*target == '\\') || (*target == '/')) + break; + + target -= 1; + max_output += 1; + } while (target > output); + } + + if ((target == output) && (*source != 0)) + source += 1; + if ((*target == '\\' || *target == '/') && (*source == 0)) + target += 1; + + *target = 0; + continue; + } + } + } + } + + *target = *source; + + source += 1; + target += 1; + max_output -= 1; + } + + *target = 0; + + if (*path == 0) + return MZ_INTERNAL_ERROR; + + return MZ_OK; +} + +int32_t mz_path_remove_filename(char *path) { + char *path_ptr = NULL; + + if (path == NULL) + return MZ_PARAM_ERROR; + + path_ptr = path + strlen(path) - 1; + + while (path_ptr > path) { + if ((*path_ptr == '/') || (*path_ptr == '\\')) { + *path_ptr = 0; + break; + } + + path_ptr -= 1; + } + + if (path_ptr == path) + *path_ptr = 0; + + return MZ_OK; +} + +int32_t mz_path_remove_extension(char *path) { + char *path_ptr = NULL; + + if (path == NULL) + return MZ_PARAM_ERROR; + + path_ptr = path + strlen(path) - 1; + + while (path_ptr > path) { + if ((*path_ptr == '/') || (*path_ptr == '\\')) + break; + if (*path_ptr == '.') { + *path_ptr = 0; + break; + } + + path_ptr -= 1; + } + + if (path_ptr == path) + *path_ptr = 0; + + return MZ_OK; +} + +int32_t mz_path_get_filename(const char *path, const char **filename) { + const char *match = NULL; + + if (path == NULL || filename == NULL) + return MZ_PARAM_ERROR; + + *filename = NULL; + + for (match = path; *match != 0; match += 1) { + if ((*match == '\\') || (*match == '/')) + *filename = match + 1; + } + + if (*filename == NULL) + return MZ_EXIST_ERROR; + + return MZ_OK; +} + +int32_t mz_dir_make(const char *path) { + int32_t err = MZ_OK; + int16_t len = 0; + char *current_dir = NULL; + char *match = NULL; + char hold = 0; + + + len = (int16_t)strlen(path); + if (len <= 0) + return 0; + + current_dir = (char *)MZ_ALLOC((uint16_t)len + 1); + if (current_dir == NULL) + return MZ_MEM_ERROR; + + strcpy(current_dir, path); + mz_path_remove_slash(current_dir); + + err = mz_os_make_dir(current_dir); + if (err != MZ_OK) { + match = current_dir + 1; + while (1) { + while (*match != 0 && *match != '\\' && *match != '/') + match += 1; + hold = *match; + *match = 0; + + err = mz_os_make_dir(current_dir); + if (err != MZ_OK) + break; + if (hold == 0) + break; + + *match = hold; + match += 1; + } + } + + MZ_FREE(current_dir); + return err; +} + +int32_t mz_file_get_crc(const char *path, uint32_t *result_crc) { + void *stream = NULL; + uint32_t crc32 = 0; + int32_t read = 0; + int32_t err = MZ_OK; + uint8_t buf[16384]; + + mz_stream_os_create(&stream); + + err = mz_stream_os_open(stream, path, MZ_OPEN_MODE_READ); + + if (err == MZ_OK) { + do { + read = mz_stream_os_read(stream, buf, sizeof(buf)); + + if (read < 0) { + err = read; + break; + } + + crc32 = mz_crypt_crc32_update(crc32, buf, read); + } while ((err == MZ_OK) && (read > 0)); + + mz_stream_os_close(stream); + } + + *result_crc = crc32; + + mz_stream_os_delete(&stream); + + return err; +} + +/***************************************************************************/ diff --git a/Externals/minizip/mz_os.h b/Externals/minizip/mz_os.h new file mode 100644 index 0000000000..b3e2a58c19 --- /dev/null +++ b/Externals/minizip/mz_os.h @@ -0,0 +1,175 @@ +/* mz_os.h -- System functions + part of the minizip-ng project + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. +*/ + +#ifndef MZ_OS_H +#define MZ_OS_H + +#ifdef __cplusplus +extern "C" { +#endif + +/***************************************************************************/ + +#if defined(__APPLE__) +# define MZ_VERSION_MADEBY_HOST_SYSTEM (MZ_HOST_SYSTEM_OSX_DARWIN) +#elif defined(__riscos__) +# define MZ_VERSION_MADEBY_HOST_SYSTEM (MZ_HOST_SYSTEM_RISCOS) +#elif defined(_WIN32) +# define MZ_VERSION_MADEBY_HOST_SYSTEM (MZ_HOST_SYSTEM_WINDOWS_NTFS) +#else +# define MZ_VERSION_MADEBY_HOST_SYSTEM (MZ_HOST_SYSTEM_UNIX) +#endif + +#if defined(HAVE_LZMA) || defined(HAVE_LIBCOMP) +# define MZ_VERSION_MADEBY_ZIP_VERSION (63) +#elif defined(HAVE_WZAES) +# define MZ_VERSION_MADEBY_ZIP_VERSION (51) +#elif defined(HAVE_BZIP2) +# define MZ_VERSION_MADEBY_ZIP_VERSION (46) +#else +# define MZ_VERSION_MADEBY_ZIP_VERSION (45) +#endif + +#define MZ_VERSION_MADEBY ((MZ_VERSION_MADEBY_HOST_SYSTEM << 8) | \ + (MZ_VERSION_MADEBY_ZIP_VERSION)) + +#define MZ_PATH_SLASH_UNIX ('/') +#if defined(_WIN32) +# define MZ_PATH_SLASH_PLATFORM ('\\') +#else +# define MZ_PATH_SLASH_PLATFORM (MZ_PATH_SLASH_UNIX) +#endif + +/***************************************************************************/ + +#if defined(_WIN32) +struct dirent { + char d_name[256]; +}; +typedef void* DIR; +#else +#include <dirent.h> +#endif + +/***************************************************************************/ +/* Shared functions */ + +int32_t mz_path_combine(char *path, const char *join, int32_t max_path); +/* Combines two paths */ + +int32_t mz_path_append_slash(char *path, int32_t max_path, char slash); +/* Appends a path slash on to the end of the path */ + +int32_t mz_path_remove_slash(char *path); +/* Removes a path slash from the end of the path */ + +int32_t mz_path_has_slash(const char *path); +/* Returns whether or not the path ends with slash */ + +int32_t mz_path_convert_slashes(char *path, char slash); +/* Converts the slashes in a path */ + +int32_t mz_path_compare_wc(const char *path, const char *wildcard, uint8_t ignore_case); +/* Compare two paths with wildcard */ + +int32_t mz_path_resolve(const char *path, char *target, int32_t max_target); +/* Resolves path */ + +int32_t mz_path_remove_filename(char *path); +/* Remove the filename from a path */ + +int32_t mz_path_remove_extension(char *path); +/* Remove the extension from a path */ + +int32_t mz_path_get_filename(const char *path, const char **filename); +/* Get the filename from a path */ + +int32_t mz_dir_make(const char *path); +/* Creates a directory recursively */ + +int32_t mz_file_get_crc(const char *path, uint32_t *result_crc); +/* Gets the crc32 hash of a file */ + +/***************************************************************************/ +/* Platform specific functions */ + +wchar_t *mz_os_unicode_string_create(const char *string, int32_t encoding); +/* Create unicode string from a utf8 string */ + +void mz_os_unicode_string_delete(wchar_t **string); +/* Delete a unicode string that was created */ + +uint8_t *mz_os_utf8_string_create(const char *string, int32_t encoding); +/* Create a utf8 string from a string with another encoding */ + +void mz_os_utf8_string_delete(uint8_t **string); +/* Delete a utf8 string that was created */ + +int32_t mz_os_rand(uint8_t *buf, int32_t size); +/* Random number generator (not cryptographically secure) */ + +int32_t mz_os_rename(const char *source_path, const char *target_path); +/* Rename a file */ + +int32_t mz_os_unlink(const char *path); +/* Delete an existing file */ + +int32_t mz_os_file_exists(const char *path); +/* Check to see if a file exists */ + +int64_t mz_os_get_file_size(const char *path); +/* Gets the length of a file */ + +int32_t mz_os_get_file_date(const char *path, time_t *modified_date, time_t *accessed_date, time_t *creation_date); +/* Gets a file's modified, access, and creation dates if supported */ + +int32_t mz_os_set_file_date(const char *path, time_t modified_date, time_t accessed_date, time_t creation_date); +/* Sets a file's modified, access, and creation dates if supported */ + +int32_t mz_os_get_file_attribs(const char *path, uint32_t *attributes); +/* Gets a file's attributes */ + +int32_t mz_os_set_file_attribs(const char *path, uint32_t attributes); +/* Sets a file's attributes */ + +int32_t mz_os_make_dir(const char *path); +/* Recursively creates a directory */ + +DIR* mz_os_open_dir(const char *path); +/* Opens a directory for listing */ +struct +dirent* mz_os_read_dir(DIR *dir); +/* Reads a directory listing entry */ + +int32_t mz_os_close_dir(DIR *dir); +/* Closes a directory that has been opened for listing */ + +int32_t mz_os_is_dir(const char *path); +/* Checks to see if path is a directory */ + +int32_t mz_os_is_symlink(const char *path); +/* Checks to see if path is a symbolic link */ + +int32_t mz_os_make_symlink(const char *path, const char *target_path); +/* Creates a symbolic link pointing to a target */ + +int32_t mz_os_read_symlink(const char *path, char *target_path, int32_t max_target_path); +/* Gets the target path for a symbolic link */ + +uint64_t mz_os_ms_time(void); +/* Gets the time in milliseconds */ + +/***************************************************************************/ + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/Externals/minizip/mz_os_posix.c b/Externals/minizip/mz_os_posix.c new file mode 100644 index 0000000000..576943d162 --- /dev/null +++ b/Externals/minizip/mz_os_posix.c @@ -0,0 +1,367 @@ +/* mz_os_posix.c -- System functions for posix + part of the minizip-ng project + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. +*/ + +#include "mz.h" +#include "mz_strm.h" +#include "mz_os.h" + +#include <stdio.h> /* rename */ +#include <errno.h> +#if defined(HAVE_ICONV) +#include <iconv.h> +#endif + +#include <sys/types.h> +#include <sys/stat.h> + +#ifndef _WIN32 +# include <utime.h> +# include <unistd.h> +#endif +#if defined(__APPLE__) +# include <mach/clock.h> +# include <mach/mach.h> +#endif + +#if defined(HAVE_GETRANDOM) +# include <sys/random.h> +#endif +#if defined(HAVE_LIBBSD) +# include <sys/types.h> +# ifndef __u_char_defined + typedef unsigned char u_char; +# endif +# include <bsd/stdlib.h> /* arc4random_buf */ +#endif + +/***************************************************************************/ + +#if defined(HAVE_ICONV) +uint8_t *mz_os_utf8_string_create(const char *string, int32_t encoding) { + iconv_t cd; + const char *from_encoding = NULL; + size_t result = 0; + size_t string_length = 0; + size_t string_utf8_size = 0; + uint8_t *string_utf8 = NULL; + uint8_t *string_utf8_ptr = NULL; + + if (string == NULL) + return NULL; + + if (encoding == MZ_ENCODING_CODEPAGE_437) + from_encoding = "CP437"; + else if (encoding == MZ_ENCODING_CODEPAGE_932) + from_encoding = "CP932"; + else if (encoding == MZ_ENCODING_CODEPAGE_936) + from_encoding = "CP936"; + else if (encoding == MZ_ENCODING_CODEPAGE_950) + from_encoding = "CP950"; + else if (encoding == MZ_ENCODING_UTF8) + from_encoding = "UTF-8"; + else + return NULL; + + cd = iconv_open("UTF-8", from_encoding); + if (cd == (iconv_t)-1) + return NULL; + + string_length = strlen(string); + string_utf8_size = string_length * 2; + string_utf8 = (uint8_t *)MZ_ALLOC((int32_t)(string_utf8_size + 1)); + string_utf8_ptr = string_utf8; + + if (string_utf8) { + memset(string_utf8, 0, string_utf8_size + 1); + + result = iconv(cd, (char **)&string, &string_length, + (char **)&string_utf8_ptr, &string_utf8_size); + } + + iconv_close(cd); + + if (result == (size_t)-1) { + MZ_FREE(string_utf8); + string_utf8 = NULL; + } + + return string_utf8; +} +#else +uint8_t *mz_os_utf8_string_create(const char *string, int32_t encoding) { + size_t string_length = 0; + uint8_t *string_copy = NULL; + + string_length = strlen(string); + string_copy = (uint8_t *)MZ_ALLOC((int32_t)(string_length + 1)); + strncpy((char *)string_copy, string, string_length); + string_copy[string_length] = 0; + + return string_copy; +} +#endif + +void mz_os_utf8_string_delete(uint8_t **string) { + if (string != NULL) { + MZ_FREE(*string); + *string = NULL; + } +} + +/***************************************************************************/ + +#if defined(HAVE_ARC4RANDOM_BUF) +int32_t mz_os_rand(uint8_t *buf, int32_t size) { + if (size < 0) + return 0; + arc4random_buf(buf, (uint32_t)size); + return size; +} +#elif defined(HAVE_ARC4RANDOM) +int32_t mz_os_rand(uint8_t *buf, int32_t size) { + int32_t left = size; + for (; left > 2; left -= 3, buf += 3) { + uint32_t val = arc4random(); + + buf[0] = (val) & 0xFF; + buf[1] = (val >> 8) & 0xFF; + buf[2] = (val >> 16) & 0xFF; + } + for (; left > 0; left--, buf++) { + *buf = arc4random() & 0xFF; + } + return size - left; +} +#elif defined(HAVE_GETRANDOM) +int32_t mz_os_rand(uint8_t *buf, int32_t size) { + int32_t left = size; + int32_t written = 0; + + while (left > 0) { + written = getrandom(buf, left, 0); + if (written < 0) + return MZ_INTERNAL_ERROR; + + buf += written; + left -= written; + } + return size - left; +} +#else +int32_t mz_os_rand(uint8_t *buf, int32_t size) { + static unsigned calls = 0; + int32_t i = 0; + + /* Ensure different random header each time */ + if (++calls == 1) { + #define PI_SEED 3141592654UL + srand((unsigned)(time(NULL) ^ PI_SEED)); + } + + while (i < size) + buf[i++] = (rand() >> 7) & 0xff; + + return size; +} +#endif + +int32_t mz_os_rename(const char *source_path, const char *target_path) { + if (rename(source_path, target_path) == -1) + return MZ_EXIST_ERROR; + + return MZ_OK; +} + +int32_t mz_os_unlink(const char *path) { + if (unlink(path) == -1) + return MZ_EXIST_ERROR; + + return MZ_OK; +} + +int32_t mz_os_file_exists(const char *path) { + struct stat path_stat; + + memset(&path_stat, 0, sizeof(path_stat)); + if (stat(path, &path_stat) == 0) + return MZ_OK; + return MZ_EXIST_ERROR; +} + +int64_t mz_os_get_file_size(const char *path) { + struct stat path_stat; + + memset(&path_stat, 0, sizeof(path_stat)); + if (stat(path, &path_stat) == 0) { + /* Stat returns size taken up by directory entry, so return 0 */ + if (S_ISDIR(path_stat.st_mode)) + return 0; + + return path_stat.st_size; + } + + return 0; +} + +int32_t mz_os_get_file_date(const char *path, time_t *modified_date, time_t *accessed_date, time_t *creation_date) { + struct stat path_stat; + char *name = NULL; + size_t len = 0; + int32_t err = MZ_INTERNAL_ERROR; + + memset(&path_stat, 0, sizeof(path_stat)); + + if (strcmp(path, "-") != 0) { + /* Not all systems allow stat'ing a file with / appended */ + len = strlen(path); + name = (char *)malloc(len + 1); + strncpy(name, path, len + 1); + mz_path_remove_slash(name); + + if (stat(name, &path_stat) == 0) { + if (modified_date != NULL) + *modified_date = path_stat.st_mtime; + if (accessed_date != NULL) + *accessed_date = path_stat.st_atime; + /* Creation date not supported */ + if (creation_date != NULL) + *creation_date = 0; + + err = MZ_OK; + } + + free(name); + } + + return err; +} + +int32_t mz_os_set_file_date(const char *path, time_t modified_date, time_t accessed_date, time_t creation_date) { + struct utimbuf ut; + + ut.actime = accessed_date; + ut.modtime = modified_date; + + /* Creation date not supported */ + MZ_UNUSED(creation_date); + + if (utime(path, &ut) != 0) + return MZ_INTERNAL_ERROR; + + return MZ_OK; +} + +int32_t mz_os_get_file_attribs(const char *path, uint32_t *attributes) { + struct stat path_stat; + int32_t err = MZ_OK; + + memset(&path_stat, 0, sizeof(path_stat)); + if (lstat(path, &path_stat) == -1) + err = MZ_INTERNAL_ERROR; + *attributes = path_stat.st_mode; + return err; +} + +int32_t mz_os_set_file_attribs(const char *path, uint32_t attributes) { + int32_t err = MZ_OK; + + if (chmod(path, (mode_t)attributes) == -1) + err = MZ_INTERNAL_ERROR; + + return err; +} + +int32_t mz_os_make_dir(const char *path) { + int32_t err = 0; + + err = mkdir(path, 0755); + + if (err != 0 && errno != EEXIST) + return MZ_INTERNAL_ERROR; + + return MZ_OK; +} + +DIR* mz_os_open_dir(const char *path) { + return opendir(path); +} + +struct dirent* mz_os_read_dir(DIR *dir) { + if (dir == NULL) + return NULL; + return readdir(dir); +} + +int32_t mz_os_close_dir(DIR *dir) { + if (dir == NULL) + return MZ_PARAM_ERROR; + if (closedir(dir) == -1) + return MZ_INTERNAL_ERROR; + return MZ_OK; +} + +int32_t mz_os_is_dir(const char *path) { + struct stat path_stat; + + memset(&path_stat, 0, sizeof(path_stat)); + stat(path, &path_stat); + if (S_ISDIR(path_stat.st_mode)) + return MZ_OK; + + return MZ_EXIST_ERROR; +} + +int32_t mz_os_is_symlink(const char *path) { + struct stat path_stat; + + memset(&path_stat, 0, sizeof(path_stat)); + lstat(path, &path_stat); + if (S_ISLNK(path_stat.st_mode)) + return MZ_OK; + + return MZ_EXIST_ERROR; +} + +int32_t mz_os_make_symlink(const char *path, const char *target_path) { + if (symlink(target_path, path) != 0) + return MZ_INTERNAL_ERROR; + return MZ_OK; +} + +int32_t mz_os_read_symlink(const char *path, char *target_path, int32_t max_target_path) { + size_t length = 0; + + length = (size_t)readlink(path, target_path, max_target_path - 1); + if (length == (size_t)-1) + return MZ_EXIST_ERROR; + + target_path[length] = 0; + return MZ_OK; +} + +uint64_t mz_os_ms_time(void) { + struct timespec ts; + +#if defined(__APPLE__) + clock_serv_t cclock; + mach_timespec_t mts; + + host_get_clock_service(mach_host_self(), CALENDAR_CLOCK, &cclock); + clock_get_time(cclock, &mts); + mach_port_deallocate(mach_task_self(), cclock); + + ts.tv_sec = mts.tv_sec; + ts.tv_nsec = mts.tv_nsec; +#else + clock_gettime(CLOCK_MONOTONIC, &ts); +#endif + + return ((uint64_t)ts.tv_sec * 1000) + ((uint64_t)ts.tv_nsec / 1000000); +} diff --git a/Externals/minizip/mz_os_win32.c b/Externals/minizip/mz_os_win32.c new file mode 100644 index 0000000000..182bdbb840 --- /dev/null +++ b/Externals/minizip/mz_os_win32.c @@ -0,0 +1,659 @@ +/* mz_os_win32.c -- System functions for Windows + part of the minizip-ng project + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. +*/ + + +#include "mz.h" +#include "mz_os.h" +#include "mz_strm_os.h" + +#include <windows.h> +#include <winioctl.h> + +/***************************************************************************/ + +#if defined(WINAPI_FAMILY_PARTITION) && (!(defined(MZ_WINRT_API))) +# if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) +# define MZ_WINRT_API 1 +# endif +#endif + +#ifndef SYMBOLIC_LINK_FLAG_DIRECTORY +# define SYMBOLIC_LINK_FLAG_DIRECTORY 0x1 +#endif + +/***************************************************************************/ + +typedef struct DIR_int_s { + void *find_handle; + WIN32_FIND_DATAW find_data; + struct dirent entry; + uint8_t end; +} DIR_int; + +/***************************************************************************/ + +wchar_t *mz_os_unicode_string_create(const char *string, int32_t encoding) { + wchar_t *string_wide = NULL; + uint32_t string_wide_size = 0; + + string_wide_size = MultiByteToWideChar(encoding, 0, string, -1, NULL, 0); + if (string_wide_size == 0) + return NULL; + string_wide = (wchar_t *)MZ_ALLOC((string_wide_size + 1) * sizeof(wchar_t)); + if (string_wide == NULL) + return NULL; + + memset(string_wide, 0, sizeof(wchar_t) * (string_wide_size + 1)); + MultiByteToWideChar(encoding, 0, string, -1, string_wide, string_wide_size); + + return string_wide; +} + +void mz_os_unicode_string_delete(wchar_t **string) { + if (string != NULL) { + MZ_FREE(*string); + *string = NULL; + } +} + +uint8_t *mz_os_utf8_string_create(const char *string, int32_t encoding) { + wchar_t *string_wide = NULL; + uint8_t *string_utf8 = NULL; + uint32_t string_utf8_size = 0; + + string_wide = mz_os_unicode_string_create(string, encoding); + if (string_wide) { + string_utf8_size = WideCharToMultiByte(CP_UTF8, 0, string_wide, -1, NULL, 0, NULL, NULL); + string_utf8 = (uint8_t *)MZ_ALLOC((string_utf8_size + 1) * sizeof(wchar_t)); + + if (string_utf8) { + memset(string_utf8, 0, string_utf8_size + 1); + WideCharToMultiByte(CP_UTF8, 0, string_wide, -1, (char *)string_utf8, string_utf8_size, NULL, NULL); + } + + mz_os_unicode_string_delete(&string_wide); + } + + return string_utf8; +} + +uint8_t *mz_os_utf8_string_create_from_unicode(const wchar_t *string, int32_t encoding) { + uint8_t *string_utf8 = NULL; + uint32_t string_utf8_size = 0; + + MZ_UNUSED(encoding); + + string_utf8_size = WideCharToMultiByte(CP_UTF8, 0, string, -1, NULL, 0, NULL, NULL); + string_utf8 = (uint8_t *)MZ_ALLOC((string_utf8_size + 1) * sizeof(wchar_t)); + + if (string_utf8) { + memset(string_utf8, 0, string_utf8_size + 1); + WideCharToMultiByte(CP_UTF8, 0, string, -1, (char *)string_utf8, string_utf8_size, NULL, NULL); + } + + return string_utf8; +} + +void mz_os_utf8_string_delete(uint8_t **string) { + if (string != NULL) { + MZ_FREE(*string); + *string = NULL; + } +} + +/***************************************************************************/ + +int32_t mz_os_rand(uint8_t *buf, int32_t size) { + unsigned __int64 pentium_tsc[1]; + int32_t len = 0; + + for (len = 0; len < (int)size; len += 1) { + if (len % 8 == 0) + QueryPerformanceCounter((LARGE_INTEGER *)pentium_tsc); + buf[len] = ((unsigned char*)pentium_tsc)[len % 8]; + } + + return len; +} + +int32_t mz_os_rename(const char *source_path, const char *target_path) { + wchar_t *source_path_wide = NULL; + wchar_t *target_path_wide = NULL; + int32_t result = 0; + int32_t err = MZ_OK; + + if (source_path == NULL || target_path == NULL) + return MZ_PARAM_ERROR; + + source_path_wide = mz_os_unicode_string_create(source_path, MZ_ENCODING_UTF8); + if (source_path_wide == NULL) { + err = MZ_PARAM_ERROR; + } else { + target_path_wide = mz_os_unicode_string_create(target_path, MZ_ENCODING_UTF8); + if (target_path_wide == NULL) + err = MZ_PARAM_ERROR; + } + + if (err == MZ_OK) { +#ifdef MZ_WINRT_API + result = MoveFileExW(source_path_wide, target_path_wide, MOVEFILE_WRITE_THROUGH); +#else + result = MoveFileW(source_path_wide, target_path_wide); +#endif + if (result == 0) + err = MZ_EXIST_ERROR; + } + + if (target_path_wide) + mz_os_unicode_string_delete(&target_path_wide); + if (source_path_wide) + mz_os_unicode_string_delete(&source_path_wide); + + return err; +} + +int32_t mz_os_unlink(const char *path) { + wchar_t *path_wide = NULL; + int32_t result = 0; + + if (path == NULL) + return MZ_PARAM_ERROR; + path_wide = mz_os_unicode_string_create(path, MZ_ENCODING_UTF8); + if (path_wide == NULL) + return MZ_PARAM_ERROR; + + if (mz_os_is_dir(path) == MZ_OK) + result = RemoveDirectoryW(path_wide); + else + result = DeleteFileW(path_wide); + + mz_os_unicode_string_delete(&path_wide); + + if (result == 0) + return MZ_EXIST_ERROR; + + return MZ_OK; +} + +int32_t mz_os_file_exists(const char *path) { + wchar_t *path_wide = NULL; + DWORD attribs = 0; + + if (path == NULL) + return MZ_PARAM_ERROR; + path_wide = mz_os_unicode_string_create(path, MZ_ENCODING_UTF8); + if (path_wide == NULL) + return MZ_PARAM_ERROR; + + attribs = GetFileAttributesW(path_wide); + mz_os_unicode_string_delete(&path_wide); + + if (attribs == 0xFFFFFFFF) + return MZ_EXIST_ERROR; + + return MZ_OK; +} + +int64_t mz_os_get_file_size(const char *path) { + HANDLE handle = NULL; + LARGE_INTEGER large_size; + wchar_t *path_wide = NULL; + + if (path == NULL) + return MZ_PARAM_ERROR; + path_wide = mz_os_unicode_string_create(path, MZ_ENCODING_UTF8); + if (path_wide == NULL) + return MZ_PARAM_ERROR; +#ifdef MZ_WINRT_API + handle = CreateFile2(path_wide, GENERIC_READ, 0, OPEN_EXISTING, NULL); +#else + handle = CreateFileW(path_wide, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); +#endif + mz_os_unicode_string_delete(&path_wide); + + large_size.QuadPart = 0; + + if (handle != INVALID_HANDLE_VALUE) { + GetFileSizeEx(handle, &large_size); + CloseHandle(handle); + } + + return large_size.QuadPart; +} + +static void mz_os_file_to_unix_time(FILETIME file_time, time_t *unix_time) { + uint64_t quad_file_time = 0; + quad_file_time = file_time.dwLowDateTime; + quad_file_time |= ((uint64_t)file_time.dwHighDateTime << 32); + *unix_time = (time_t)((quad_file_time - 116444736000000000LL) / 10000000); +} + +static void mz_os_unix_to_file_time(time_t unix_time, FILETIME *file_time) { + uint64_t quad_file_time = 0; + quad_file_time = ((uint64_t)unix_time * 10000000) + 116444736000000000LL; + file_time->dwHighDateTime = (quad_file_time >> 32); + file_time->dwLowDateTime = (uint32_t)(quad_file_time); +} + +int32_t mz_os_get_file_date(const char *path, time_t *modified_date, time_t *accessed_date, time_t *creation_date) { + WIN32_FIND_DATAW ff32; + HANDLE handle = NULL; + wchar_t *path_wide = NULL; + int32_t err = MZ_INTERNAL_ERROR; + + if (path == NULL) + return MZ_PARAM_ERROR; + path_wide = mz_os_unicode_string_create(path, MZ_ENCODING_UTF8); + if (path_wide == NULL) + return MZ_PARAM_ERROR; + + handle = FindFirstFileW(path_wide, &ff32); + MZ_FREE(path_wide); + + if (handle != INVALID_HANDLE_VALUE) { + if (modified_date != NULL) + mz_os_file_to_unix_time(ff32.ftLastWriteTime, modified_date); + if (accessed_date != NULL) + mz_os_file_to_unix_time(ff32.ftLastAccessTime, accessed_date); + if (creation_date != NULL) + mz_os_file_to_unix_time(ff32.ftCreationTime, creation_date); + + FindClose(handle); + err = MZ_OK; + } + + return err; +} + +int32_t mz_os_set_file_date(const char *path, time_t modified_date, time_t accessed_date, time_t creation_date) { + HANDLE handle = NULL; + FILETIME ftm_creation, ftm_accessed, ftm_modified; + wchar_t *path_wide = NULL; + int32_t err = MZ_OK; + + if (path == NULL) + return MZ_PARAM_ERROR; + path_wide = mz_os_unicode_string_create(path, MZ_ENCODING_UTF8); + if (path_wide == NULL) + return MZ_PARAM_ERROR; + +#ifdef MZ_WINRT_API + handle = CreateFile2(path_wide, GENERIC_READ | GENERIC_WRITE, 0, OPEN_EXISTING, NULL); +#else + handle = CreateFileW(path_wide, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL); +#endif + mz_os_unicode_string_delete(&path_wide); + + if (handle != INVALID_HANDLE_VALUE) { + GetFileTime(handle, &ftm_creation, &ftm_accessed, &ftm_modified); + + if (modified_date != 0) + mz_os_unix_to_file_time(modified_date, &ftm_modified); + if (accessed_date != 0) + mz_os_unix_to_file_time(accessed_date, &ftm_accessed); + if (creation_date != 0) + mz_os_unix_to_file_time(creation_date, &ftm_creation); + + if (SetFileTime(handle, &ftm_creation, &ftm_accessed, &ftm_modified) == 0) + err = MZ_INTERNAL_ERROR; + + CloseHandle(handle); + } + + return err; +} + +int32_t mz_os_get_file_attribs(const char *path, uint32_t *attributes) { + wchar_t *path_wide = NULL; + int32_t err = MZ_OK; + + if (path == NULL || attributes == NULL) + return MZ_PARAM_ERROR; + path_wide = mz_os_unicode_string_create(path, MZ_ENCODING_UTF8); + if (path_wide == NULL) + return MZ_PARAM_ERROR; + + *attributes = GetFileAttributesW(path_wide); + mz_os_unicode_string_delete(&path_wide); + + if (*attributes == INVALID_FILE_ATTRIBUTES) + err = MZ_INTERNAL_ERROR; + + return err; +} + +int32_t mz_os_set_file_attribs(const char *path, uint32_t attributes) { + wchar_t *path_wide = NULL; + int32_t err = MZ_OK; + + if (path == NULL) + return MZ_PARAM_ERROR; + path_wide = mz_os_unicode_string_create(path, MZ_ENCODING_UTF8); + if (path_wide == NULL) + return MZ_PARAM_ERROR; + + if (SetFileAttributesW(path_wide, attributes) == 0) + err = MZ_INTERNAL_ERROR; + mz_os_unicode_string_delete(&path_wide); + + return err; +} + +int32_t mz_os_make_dir(const char *path) { + wchar_t *path_wide = NULL; + int32_t err = MZ_OK; + + if (path == NULL) + return MZ_PARAM_ERROR; + + /* Don't try to create a drive letter */ + if ((path[0] != 0) && (strlen(path) <= 3) && (path[1] == ':')) + return mz_os_is_dir(path); + + path_wide = mz_os_unicode_string_create(path, MZ_ENCODING_UTF8); + if (path_wide == NULL) + return MZ_PARAM_ERROR; + + if (CreateDirectoryW(path_wide, NULL) == 0) { + if (GetLastError() != ERROR_ALREADY_EXISTS) + err = MZ_INTERNAL_ERROR; + } + + mz_os_unicode_string_delete(&path_wide); + + return err; +} + +DIR *mz_os_open_dir(const char *path) { + WIN32_FIND_DATAW find_data; + DIR_int *dir_int = NULL; + wchar_t *path_wide = NULL; + char fixed_path[320]; + void *handle = NULL; + + + if (path == NULL) + return NULL; + + strncpy(fixed_path, path, sizeof(fixed_path) - 1); + fixed_path[sizeof(fixed_path) - 1] = 0; + + mz_path_append_slash(fixed_path, sizeof(fixed_path), MZ_PATH_SLASH_PLATFORM); + mz_path_combine(fixed_path, "*", sizeof(fixed_path)); + + path_wide = mz_os_unicode_string_create(fixed_path, MZ_ENCODING_UTF8); + if (path_wide == NULL) + return NULL; + + handle = FindFirstFileW(path_wide, &find_data); + mz_os_unicode_string_delete(&path_wide); + + if (handle == INVALID_HANDLE_VALUE) + return NULL; + + dir_int = (DIR_int *)MZ_ALLOC(sizeof(DIR_int)); + if (dir_int == NULL) + return NULL; + dir_int->find_handle = handle; + dir_int->end = 0; + + memcpy(&dir_int->find_data, &find_data, sizeof(dir_int->find_data)); + + return (DIR *)dir_int; +} + +struct dirent* mz_os_read_dir(DIR *dir) { + DIR_int *dir_int; + + if (dir == NULL) + return NULL; + + dir_int = (DIR_int *)dir; + if (dir_int->end) + return NULL; + + WideCharToMultiByte(CP_UTF8, 0, dir_int->find_data.cFileName, -1, + dir_int->entry.d_name, sizeof(dir_int->entry.d_name), NULL, NULL); + + if (FindNextFileW(dir_int->find_handle, &dir_int->find_data) == 0) { + if (GetLastError() != ERROR_NO_MORE_FILES) + return NULL; + + dir_int->end = 1; + } + + return &dir_int->entry; +} + +int32_t mz_os_close_dir(DIR *dir) { + DIR_int *dir_int; + + if (dir == NULL) + return MZ_PARAM_ERROR; + + dir_int = (DIR_int *)dir; + if (dir_int->find_handle != INVALID_HANDLE_VALUE) + FindClose(dir_int->find_handle); + MZ_FREE(dir_int); + return MZ_OK; +} + +int32_t mz_os_is_dir(const char *path) { + wchar_t *path_wide = NULL; + uint32_t attribs = 0; + + if (path == NULL) + return MZ_PARAM_ERROR; + path_wide = mz_os_unicode_string_create(path, MZ_ENCODING_UTF8); + if (path_wide == NULL) + return MZ_PARAM_ERROR; + + attribs = GetFileAttributesW(path_wide); + mz_os_unicode_string_delete(&path_wide); + + if (attribs != 0xFFFFFFFF) { + if (attribs & FILE_ATTRIBUTE_DIRECTORY) + return MZ_OK; + } + + return MZ_EXIST_ERROR; +} + +int32_t mz_os_is_symlink(const char *path) { + wchar_t *path_wide = NULL; + uint32_t attribs = 0; + + if (path == NULL) + return MZ_PARAM_ERROR; + path_wide = mz_os_unicode_string_create(path, MZ_ENCODING_UTF8); + if (path_wide == NULL) + return MZ_PARAM_ERROR; + + attribs = GetFileAttributesW(path_wide); + mz_os_unicode_string_delete(&path_wide); + + if (attribs != 0xFFFFFFFF) { + if (attribs & FILE_ATTRIBUTE_REPARSE_POINT) + return MZ_OK; + } + + return MZ_EXIST_ERROR; +} + +int32_t mz_os_make_symlink(const char *path, const char *target_path) { + typedef BOOLEAN (WINAPI *LPCREATESYMBOLICLINKW)(LPCWSTR, LPCWSTR, DWORD); + LPCREATESYMBOLICLINKW create_symbolic_link_w = NULL; + HMODULE kernel32_mod = NULL; + wchar_t *path_wide = NULL; + wchar_t *target_path_wide = NULL; + int32_t err = MZ_OK; + int32_t flags = 0; + + if (path == NULL) + return MZ_PARAM_ERROR; + +#ifdef MZ_WINRT_API + MEMORY_BASIC_INFORMATION mbi; + memset(&mbi, 0, sizeof(mbi)); + VirtualQuery(VirtualQuery, &mbi, sizeof(mbi)); + kernel32_mod = (HMODULE)mbi.AllocationBase; +#else + kernel32_mod = GetModuleHandleW(L"kernel32.dll"); +#endif + + if (kernel32_mod == NULL) + return MZ_SUPPORT_ERROR; + + create_symbolic_link_w = (LPCREATESYMBOLICLINKW)GetProcAddress(kernel32_mod, "CreateSymbolicLinkW"); + if (create_symbolic_link_w == NULL) { + return MZ_SUPPORT_ERROR; + } + + path_wide = mz_os_unicode_string_create(path, MZ_ENCODING_UTF8); + if (path_wide == NULL) { + return MZ_PARAM_ERROR; + } + + target_path_wide = mz_os_unicode_string_create(target_path, MZ_ENCODING_UTF8); + if (target_path_wide != NULL) { + if (mz_path_has_slash(target_path) == MZ_OK) + flags |= SYMBOLIC_LINK_FLAG_DIRECTORY; + + if (create_symbolic_link_w(path_wide, target_path_wide, flags) == FALSE) + err = MZ_SYMLINK_ERROR; + + mz_os_unicode_string_delete(&target_path_wide); + } else { + err = MZ_PARAM_ERROR; + } + + mz_os_unicode_string_delete(&path_wide); + + return err; +} + +int32_t mz_os_read_symlink(const char *path, char *target_path, int32_t max_target_path) { + typedef struct _REPARSE_DATA_BUFFER { + ULONG ReparseTag; + USHORT ReparseDataLength; + USHORT Reserved; + union { + struct { + USHORT SubstituteNameOffset; + USHORT SubstituteNameLength; + USHORT PrintNameOffset; + USHORT PrintNameLength; + ULONG Flags; + WCHAR PathBuffer[1]; + } SymbolicLinkReparseBuffer; + struct { + USHORT SubstituteNameOffset; + USHORT SubstituteNameLength; + USHORT PrintNameOffset; + USHORT PrintNameLength; + WCHAR PathBuffer[1]; + } MountPointReparseBuffer; + struct { + UCHAR DataBuffer[1]; + } GenericReparseBuffer; + }; + } REPARSE_DATA_BUFFER; + REPARSE_DATA_BUFFER *reparse_data = NULL; + DWORD length = 0; + HANDLE handle = NULL; + wchar_t *path_wide = NULL; + wchar_t *target_path_wide = NULL; + uint8_t buffer[MAXIMUM_REPARSE_DATA_BUFFER_SIZE]; + int32_t target_path_len = 0; + int32_t target_path_idx = 0; + int32_t err = MZ_OK; + uint8_t *target_path_utf8 = NULL; + + if (path == NULL) + return MZ_PARAM_ERROR; + path_wide = mz_os_unicode_string_create(path, MZ_ENCODING_UTF8); + if (path_wide == NULL) + return MZ_PARAM_ERROR; + +#ifdef MZ_WINRT_API + CREATEFILE2_EXTENDED_PARAMETERS extended_params; + memset(&extended_params, 0, sizeof(extended_params)); + extended_params.dwSize = sizeof(extended_params); + extended_params.dwFileAttributes = FILE_ATTRIBUTE_NORMAL; + extended_params.dwFileFlags = FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_OPEN_REPARSE_POINT; + extended_params.dwSecurityQosFlags = SECURITY_ANONYMOUS; + extended_params.lpSecurityAttributes = NULL; + extended_params.hTemplateFile = NULL; + handle = CreateFile2(path_wide, FILE_READ_EA, FILE_SHARE_READ | FILE_SHARE_WRITE, OPEN_EXISTING, &extended_params); +#else + handle = CreateFileW(path_wide, FILE_READ_EA, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, + FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_OPEN_REPARSE_POINT, NULL); +#endif + + if (handle == INVALID_HANDLE_VALUE) { + mz_os_unicode_string_delete(&path_wide); + return MZ_OPEN_ERROR; + } + + if (DeviceIoControl(handle, FSCTL_GET_REPARSE_POINT, NULL, 0, buffer, sizeof(buffer), &length, NULL) == TRUE) { + reparse_data = (REPARSE_DATA_BUFFER *)buffer; + if ((IsReparseTagMicrosoft(reparse_data->ReparseTag)) && + (reparse_data->ReparseTag == IO_REPARSE_TAG_SYMLINK)) { + target_path_len = max_target_path * sizeof(wchar_t); + if (target_path_len > reparse_data->SymbolicLinkReparseBuffer.PrintNameLength) + target_path_len = reparse_data->SymbolicLinkReparseBuffer.PrintNameLength; + + target_path_wide = (wchar_t *)MZ_ALLOC(target_path_len + sizeof(wchar_t)); + if (target_path_wide) { + target_path_idx = reparse_data->SymbolicLinkReparseBuffer.PrintNameOffset / sizeof(wchar_t); + memcpy(target_path_wide, &reparse_data->SymbolicLinkReparseBuffer.PathBuffer[target_path_idx], + target_path_len); + + target_path_wide[target_path_len / sizeof(wchar_t)] = 0; + target_path_utf8 = mz_os_utf8_string_create_from_unicode(target_path_wide, MZ_ENCODING_UTF8); + + if (target_path_utf8) { + strncpy(target_path, (const char *)target_path_utf8, max_target_path - 1); + target_path[max_target_path - 1] = 0; + /* Ensure directories have slash at the end so we can recreate them later */ + if (mz_os_is_dir((const char *)target_path_utf8) == MZ_OK) + mz_path_append_slash(target_path, max_target_path, MZ_PATH_SLASH_PLATFORM); + mz_os_utf8_string_delete(&target_path_utf8); + } else { + err = MZ_MEM_ERROR; + } + + MZ_FREE(target_path_wide); + } else { + err = MZ_MEM_ERROR; + } + } + } else { + err = MZ_INTERNAL_ERROR; + } + + CloseHandle(handle); + mz_os_unicode_string_delete(&path_wide); + return err; +} + +uint64_t mz_os_ms_time(void) { + SYSTEMTIME system_time; + FILETIME file_time; + uint64_t quad_file_time = 0; + + GetSystemTime(&system_time); + SystemTimeToFileTime(&system_time, &file_time); + + quad_file_time = file_time.dwLowDateTime; + quad_file_time |= ((uint64_t)file_time.dwHighDateTime << 32); + + return quad_file_time / 10000 - 11644473600000LL; +} diff --git a/Externals/minizip/mz_strm.c b/Externals/minizip/mz_strm.c new file mode 100644 index 0000000000..da7d5872d6 --- /dev/null +++ b/Externals/minizip/mz_strm.c @@ -0,0 +1,560 @@ +/* mz_strm.c -- Stream interface + part of the minizip-ng project + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. +*/ + +#include "mz.h" +#include "mz_strm.h" + +/***************************************************************************/ + +#define MZ_STREAM_FIND_SIZE (1024) + +/***************************************************************************/ + +int32_t mz_stream_open(void *stream, const char *path, int32_t mode) { + mz_stream *strm = (mz_stream *)stream; + if (strm == NULL || strm->vtbl == NULL || strm->vtbl->open == NULL) + return MZ_STREAM_ERROR; + return strm->vtbl->open(strm, path, mode); +} + +int32_t mz_stream_is_open(void *stream) { + mz_stream *strm = (mz_stream *)stream; + if (strm == NULL || strm->vtbl == NULL || strm->vtbl->is_open == NULL) + return MZ_STREAM_ERROR; + return strm->vtbl->is_open(strm); +} + +int32_t mz_stream_read(void *stream, void *buf, int32_t size) { + mz_stream *strm = (mz_stream *)stream; + if (strm == NULL || strm->vtbl == NULL || strm->vtbl->read == NULL) + return MZ_PARAM_ERROR; + if (mz_stream_is_open(stream) != MZ_OK) + return MZ_STREAM_ERROR; + return strm->vtbl->read(strm, buf, size); +} + +static int32_t mz_stream_read_value(void *stream, uint64_t *value, int32_t len) { + uint8_t buf[8]; + int32_t n = 0; + int32_t i = 0; + + *value = 0; + if (mz_stream_read(stream, buf, len) == len) { + for (n = 0; n < len; n += 1, i += 8) + *value += ((uint64_t)buf[n]) << i; + } else if (mz_stream_error(stream)) + return MZ_STREAM_ERROR; + else + return MZ_END_OF_STREAM; + + return MZ_OK; +} + +int32_t mz_stream_read_uint8(void *stream, uint8_t *value) { + int32_t err = MZ_OK; + uint64_t value64 = 0; + + *value = 0; + err = mz_stream_read_value(stream, &value64, sizeof(uint8_t)); + if (err == MZ_OK) + *value = (uint8_t)value64; + return err; +} + +int32_t mz_stream_read_uint16(void *stream, uint16_t *value) { + int32_t err = MZ_OK; + uint64_t value64 = 0; + + *value = 0; + err = mz_stream_read_value(stream, &value64, sizeof(uint16_t)); + if (err == MZ_OK) + *value = (uint16_t)value64; + return err; +} + +int32_t mz_stream_read_uint32(void *stream, uint32_t *value) { + int32_t err = MZ_OK; + uint64_t value64 = 0; + + *value = 0; + err = mz_stream_read_value(stream, &value64, sizeof(uint32_t)); + if (err == MZ_OK) + *value = (uint32_t)value64; + return err; +} + +int32_t mz_stream_read_int64(void *stream, int64_t *value) { + return mz_stream_read_value(stream, (uint64_t *)value, sizeof(uint64_t)); +} + +int32_t mz_stream_read_uint64(void *stream, uint64_t *value) { + return mz_stream_read_value(stream, value, sizeof(uint64_t)); +} + +int32_t mz_stream_write(void *stream, const void *buf, int32_t size) { + mz_stream *strm = (mz_stream *)stream; + if (size == 0) + return size; + if (strm == NULL || strm->vtbl == NULL || strm->vtbl->write == NULL) + return MZ_PARAM_ERROR; + if (mz_stream_is_open(stream) != MZ_OK) + return MZ_STREAM_ERROR; + return strm->vtbl->write(strm, buf, size); +} + +static int32_t mz_stream_write_value(void *stream, uint64_t value, int32_t len) { + uint8_t buf[8]; + int32_t n = 0; + + for (n = 0; n < len; n += 1) { + buf[n] = (uint8_t)(value & 0xff); + value >>= 8; + } + + if (value != 0) { + /* Data overflow - hack for ZIP64 (X Roche) */ + for (n = 0; n < len; n += 1) + buf[n] = 0xff; + } + + if (mz_stream_write(stream, buf, len) != len) + return MZ_STREAM_ERROR; + + return MZ_OK; +} + +int32_t mz_stream_write_uint8(void *stream, uint8_t value) { + return mz_stream_write_value(stream, value, sizeof(uint8_t)); +} + +int32_t mz_stream_write_uint16(void *stream, uint16_t value) { + return mz_stream_write_value(stream, value, sizeof(uint16_t)); +} + +int32_t mz_stream_write_uint32(void *stream, uint32_t value) { + return mz_stream_write_value(stream, value, sizeof(uint32_t)); +} + +int32_t mz_stream_write_int64(void *stream, int64_t value) { + return mz_stream_write_value(stream, (uint64_t)value, sizeof(uint64_t)); +} + +int32_t mz_stream_write_uint64(void *stream, uint64_t value) { + return mz_stream_write_value(stream, value, sizeof(uint64_t)); +} + +int32_t mz_stream_copy(void *target, void *source, int32_t len) { + return mz_stream_copy_stream(target, NULL, source, NULL, len); +} + +int32_t mz_stream_copy_to_end(void *target, void *source) { + return mz_stream_copy_stream_to_end(target, NULL, source, NULL); +} + +int32_t mz_stream_copy_stream(void *target, mz_stream_write_cb write_cb, void *source, + mz_stream_read_cb read_cb, int32_t len) { + uint8_t buf[16384]; + int32_t bytes_to_copy = 0; + int32_t read = 0; + int32_t written = 0; + + if (write_cb == NULL) + write_cb = mz_stream_write; + if (read_cb == NULL) + read_cb = mz_stream_read; + + while (len > 0) { + bytes_to_copy = len; + if (bytes_to_copy > (int32_t)sizeof(buf)) + bytes_to_copy = sizeof(buf); + read = read_cb(source, buf, bytes_to_copy); + if (read <= 0) + return MZ_STREAM_ERROR; + written = write_cb(target, buf, read); + if (written != read) + return MZ_STREAM_ERROR; + len -= read; + } + + return MZ_OK; +} + +int32_t mz_stream_copy_stream_to_end(void *target, mz_stream_write_cb write_cb, void *source, + mz_stream_read_cb read_cb) { + uint8_t buf[16384]; + int32_t read = 0; + int32_t written = 0; + + if (write_cb == NULL) + write_cb = mz_stream_write; + if (read_cb == NULL) + read_cb = mz_stream_read; + + read = read_cb(source, buf, sizeof(buf)); + while (read > 0) { + written = write_cb(target, buf, read); + if (written != read) + return MZ_STREAM_ERROR; + read = read_cb(source, buf, sizeof(buf)); + } + + if (read < 0) + return MZ_STREAM_ERROR; + + return MZ_OK; +} + +int64_t mz_stream_tell(void *stream) { + mz_stream *strm = (mz_stream *)stream; + if (strm == NULL || strm->vtbl == NULL || strm->vtbl->tell == NULL) + return MZ_PARAM_ERROR; + if (mz_stream_is_open(stream) != MZ_OK) + return MZ_STREAM_ERROR; + return strm->vtbl->tell(strm); +} + +int32_t mz_stream_seek(void *stream, int64_t offset, int32_t origin) { + mz_stream *strm = (mz_stream *)stream; + if (strm == NULL || strm->vtbl == NULL || strm->vtbl->seek == NULL) + return MZ_PARAM_ERROR; + if (mz_stream_is_open(stream) != MZ_OK) + return MZ_STREAM_ERROR; + if (origin == MZ_SEEK_SET && offset < 0) + return MZ_SEEK_ERROR; + return strm->vtbl->seek(strm, offset, origin); +} + +int32_t mz_stream_find(void *stream, const void *find, int32_t find_size, int64_t max_seek, int64_t *position) { + uint8_t buf[MZ_STREAM_FIND_SIZE]; + int32_t buf_pos = 0; + int32_t read_size = sizeof(buf); + int32_t read = 0; + int64_t read_pos = 0; + int64_t start_pos = 0; + int64_t disk_pos = 0; + int32_t i = 0; + uint8_t first = 1; + int32_t err = MZ_OK; + + if (stream == NULL || find == NULL || position == NULL) + return MZ_PARAM_ERROR; + if (find_size < 0 || find_size >= (int32_t)sizeof(buf)) + return MZ_PARAM_ERROR; + + *position = -1; + + start_pos = mz_stream_tell(stream); + + while (read_pos < max_seek) { + if (read_size > (int32_t)(max_seek - read_pos - buf_pos) && (max_seek - read_pos - buf_pos) < (int64_t)sizeof(buf)) + read_size = (int32_t)(max_seek - read_pos - buf_pos); + + read = mz_stream_read(stream, buf + buf_pos, read_size); + if ((read <= 0) || (read + buf_pos < find_size)) + break; + + for (i = 0; i <= read + buf_pos - find_size; i += 1) { + if (memcmp(&buf[i], find, find_size) != 0) + continue; + + disk_pos = mz_stream_tell(stream); + + /* Seek to position on disk where the data was found */ + err = mz_stream_seek(stream, disk_pos - ((int64_t)read + buf_pos - i), MZ_SEEK_SET); + if (err != MZ_OK) + return MZ_EXIST_ERROR; + + *position = start_pos + read_pos + i; + return MZ_OK; + } + + if (first) { + read -= find_size; + read_size -= find_size; + buf_pos = find_size; + first = 0; + } + + memmove(buf, buf + read, find_size); + read_pos += read; + } + + return MZ_EXIST_ERROR; +} + +int32_t mz_stream_find_reverse(void *stream, const void *find, int32_t find_size, int64_t max_seek, int64_t *position) { + uint8_t buf[MZ_STREAM_FIND_SIZE]; + int32_t buf_pos = 0; + int32_t read_size = MZ_STREAM_FIND_SIZE; + int64_t read_pos = 0; + int32_t read = 0; + int64_t start_pos = 0; + int64_t disk_pos = 0; + uint8_t first = 1; + int32_t i = 0; + int32_t err = MZ_OK; + + if (stream == NULL || find == NULL || position == NULL) + return MZ_PARAM_ERROR; + if (find_size < 0 || find_size >= (int32_t)sizeof(buf)) + return MZ_PARAM_ERROR; + + *position = -1; + + start_pos = mz_stream_tell(stream); + + while (read_pos < max_seek) { + if (read_size > (int32_t)(max_seek - read_pos) && (max_seek - read_pos) < (int64_t)sizeof(buf)) + read_size = (int32_t)(max_seek - read_pos); + + if (mz_stream_seek(stream, start_pos - (read_pos + read_size), MZ_SEEK_SET) != MZ_OK) + break; + read = mz_stream_read(stream, buf, read_size); + if ((read <= 0) || (read + buf_pos < find_size)) + break; + if (read + buf_pos < MZ_STREAM_FIND_SIZE) + memmove(buf + MZ_STREAM_FIND_SIZE - (read + buf_pos), buf, read); + + for (i = find_size; i <= (read + buf_pos); i += 1) { + if (memcmp(&buf[MZ_STREAM_FIND_SIZE - i], find, find_size) != 0) + continue; + + disk_pos = mz_stream_tell(stream); + + /* Seek to position on disk where the data was found */ + err = mz_stream_seek(stream, disk_pos + buf_pos - i, MZ_SEEK_SET); + if (err != MZ_OK) + return MZ_EXIST_ERROR; + + *position = start_pos - (read_pos - buf_pos + i); + return MZ_OK; + } + + if (first) { + read -= find_size; + read_size -= find_size; + buf_pos = find_size; + first = 0; + } + + if (read == 0) + break; + + memmove(buf + read_size, buf, find_size); + read_pos += read; + } + + return MZ_EXIST_ERROR; +} + +int32_t mz_stream_close(void *stream) { + mz_stream *strm = (mz_stream *)stream; + if (strm == NULL || strm->vtbl == NULL || strm->vtbl->close == NULL) + return MZ_PARAM_ERROR; + if (mz_stream_is_open(stream) != MZ_OK) + return MZ_STREAM_ERROR; + return strm->vtbl->close(strm); +} + +int32_t mz_stream_error(void *stream) { + mz_stream *strm = (mz_stream *)stream; + if (strm == NULL || strm->vtbl == NULL || strm->vtbl->error == NULL) + return MZ_PARAM_ERROR; + return strm->vtbl->error(strm); +} + +int32_t mz_stream_set_base(void *stream, void *base) { + mz_stream *strm = (mz_stream *)stream; + strm->base = (mz_stream *)base; + return MZ_OK; +} + +void* mz_stream_get_interface(void *stream) { + mz_stream *strm = (mz_stream *)stream; + if (strm == NULL || strm->vtbl == NULL) + return NULL; + return (void *)strm->vtbl; +} + +int32_t mz_stream_get_prop_int64(void *stream, int32_t prop, int64_t *value) { + mz_stream *strm = (mz_stream *)stream; + if (strm == NULL || strm->vtbl == NULL || strm->vtbl->get_prop_int64 == NULL) + return MZ_PARAM_ERROR; + return strm->vtbl->get_prop_int64(stream, prop, value); +} + +int32_t mz_stream_set_prop_int64(void *stream, int32_t prop, int64_t value) { + mz_stream *strm = (mz_stream *)stream; + if (strm == NULL || strm->vtbl == NULL || strm->vtbl->set_prop_int64 == NULL) + return MZ_PARAM_ERROR; + return strm->vtbl->set_prop_int64(stream, prop, value); +} + +void *mz_stream_create(void **stream, mz_stream_vtbl *vtbl) { + if (stream == NULL) + return NULL; + if (vtbl == NULL || vtbl->create == NULL) + return NULL; + return vtbl->create(stream); +} + +void mz_stream_delete(void **stream) { + mz_stream *strm = NULL; + if (stream == NULL) + return; + strm = (mz_stream *)*stream; + if (strm != NULL && strm->vtbl != NULL && strm->vtbl->destroy != NULL) + strm->vtbl->destroy(stream); + *stream = NULL; +} + +/***************************************************************************/ + +typedef struct mz_stream_raw_s { + mz_stream stream; + int64_t total_in; + int64_t total_out; + int64_t max_total_in; +} mz_stream_raw; + +/***************************************************************************/ + +int32_t mz_stream_raw_open(void *stream, const char *path, int32_t mode) { + MZ_UNUSED(stream); + MZ_UNUSED(path); + MZ_UNUSED(mode); + + return MZ_OK; +} + +int32_t mz_stream_raw_is_open(void *stream) { + mz_stream_raw *raw = (mz_stream_raw *)stream; + return mz_stream_is_open(raw->stream.base); +} + +int32_t mz_stream_raw_read(void *stream, void *buf, int32_t size) { + mz_stream_raw *raw = (mz_stream_raw *)stream; + int32_t bytes_to_read = size; + int32_t read = 0; + + if (raw->max_total_in > 0) { + if ((int64_t)bytes_to_read > (raw->max_total_in - raw->total_in)) + bytes_to_read = (int32_t)(raw->max_total_in - raw->total_in); + } + + read = mz_stream_read(raw->stream.base, buf, bytes_to_read); + + if (read > 0) { + raw->total_in += read; + raw->total_out += read; + } + + return read; +} + +int32_t mz_stream_raw_write(void *stream, const void *buf, int32_t size) { + mz_stream_raw *raw = (mz_stream_raw *)stream; + int32_t written = 0; + + written = mz_stream_write(raw->stream.base, buf, size); + + if (written > 0) { + raw->total_out += written; + raw->total_in += written; + } + + return written; +} + +int64_t mz_stream_raw_tell(void *stream) { + mz_stream_raw *raw = (mz_stream_raw *)stream; + return mz_stream_tell(raw->stream.base); +} + +int32_t mz_stream_raw_seek(void *stream, int64_t offset, int32_t origin) { + mz_stream_raw *raw = (mz_stream_raw *)stream; + return mz_stream_seek(raw->stream.base, offset, origin); +} + +int32_t mz_stream_raw_close(void *stream) { + MZ_UNUSED(stream); + return MZ_OK; +} + +int32_t mz_stream_raw_error(void *stream) { + mz_stream_raw *raw = (mz_stream_raw *)stream; + return mz_stream_error(raw->stream.base); +} + +int32_t mz_stream_raw_get_prop_int64(void *stream, int32_t prop, int64_t *value) { + mz_stream_raw *raw = (mz_stream_raw *)stream; + switch (prop) { + case MZ_STREAM_PROP_TOTAL_IN: + *value = raw->total_in; + return MZ_OK; + case MZ_STREAM_PROP_TOTAL_OUT: + *value = raw->total_out; + return MZ_OK; + } + return MZ_EXIST_ERROR; +} + +int32_t mz_stream_raw_set_prop_int64(void *stream, int32_t prop, int64_t value) { + mz_stream_raw *raw = (mz_stream_raw *)stream; + switch (prop) { + case MZ_STREAM_PROP_TOTAL_IN_MAX: + raw->max_total_in = value; + return MZ_OK; + } + return MZ_EXIST_ERROR; +} + +/***************************************************************************/ + +static mz_stream_vtbl mz_stream_raw_vtbl = { + mz_stream_raw_open, + mz_stream_raw_is_open, + mz_stream_raw_read, + mz_stream_raw_write, + mz_stream_raw_tell, + mz_stream_raw_seek, + mz_stream_raw_close, + mz_stream_raw_error, + mz_stream_raw_create, + mz_stream_raw_delete, + mz_stream_raw_get_prop_int64, + mz_stream_raw_set_prop_int64 +}; + +/***************************************************************************/ + +void *mz_stream_raw_create(void **stream) { + mz_stream_raw *raw = NULL; + + raw = (mz_stream_raw *)MZ_ALLOC(sizeof(mz_stream_raw)); + if (raw != NULL) { + memset(raw, 0, sizeof(mz_stream_raw)); + raw->stream.vtbl = &mz_stream_raw_vtbl; + } + if (stream != NULL) + *stream = raw; + + return raw; +} + +void mz_stream_raw_delete(void **stream) { + mz_stream_raw *raw = NULL; + if (stream == NULL) + return; + raw = (mz_stream_raw *)*stream; + if (raw != NULL) + MZ_FREE(raw); + *stream = NULL; +} diff --git a/Externals/minizip/mz_strm.h b/Externals/minizip/mz_strm.h new file mode 100644 index 0000000000..8b0027cf50 --- /dev/null +++ b/Externals/minizip/mz_strm.h @@ -0,0 +1,132 @@ +/* mz_strm.h -- Stream interface + part of the minizip-ng project + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. +*/ + +#ifndef MZ_STREAM_H +#define MZ_STREAM_H + +#ifdef __cplusplus +extern "C" { +#endif + +/***************************************************************************/ + +#define MZ_STREAM_PROP_TOTAL_IN (1) +#define MZ_STREAM_PROP_TOTAL_IN_MAX (2) +#define MZ_STREAM_PROP_TOTAL_OUT (3) +#define MZ_STREAM_PROP_TOTAL_OUT_MAX (4) +#define MZ_STREAM_PROP_HEADER_SIZE (5) +#define MZ_STREAM_PROP_FOOTER_SIZE (6) +#define MZ_STREAM_PROP_DISK_SIZE (7) +#define MZ_STREAM_PROP_DISK_NUMBER (8) +#define MZ_STREAM_PROP_COMPRESS_LEVEL (9) +#define MZ_STREAM_PROP_COMPRESS_METHOD (10) +#define MZ_STREAM_PROP_COMPRESS_WINDOW (11) + +/***************************************************************************/ + +typedef int32_t (*mz_stream_open_cb) (void *stream, const char *path, int32_t mode); +typedef int32_t (*mz_stream_is_open_cb) (void *stream); +typedef int32_t (*mz_stream_read_cb) (void *stream, void *buf, int32_t size); +typedef int32_t (*mz_stream_write_cb) (void *stream, const void *buf, int32_t size); +typedef int64_t (*mz_stream_tell_cb) (void *stream); +typedef int32_t (*mz_stream_seek_cb) (void *stream, int64_t offset, int32_t origin); +typedef int32_t (*mz_stream_close_cb) (void *stream); +typedef int32_t (*mz_stream_error_cb) (void *stream); +typedef void* (*mz_stream_create_cb) (void **stream); +typedef void (*mz_stream_destroy_cb) (void **stream); + +typedef int32_t (*mz_stream_get_prop_int64_cb) (void *stream, int32_t prop, int64_t *value); +typedef int32_t (*mz_stream_set_prop_int64_cb) (void *stream, int32_t prop, int64_t value); + +typedef int32_t (*mz_stream_find_cb) (void *stream, const void *find, int32_t find_size, + int64_t max_seek, int64_t *position); + +/***************************************************************************/ + +typedef struct mz_stream_vtbl_s { + mz_stream_open_cb open; + mz_stream_is_open_cb is_open; + mz_stream_read_cb read; + mz_stream_write_cb write; + mz_stream_tell_cb tell; + mz_stream_seek_cb seek; + mz_stream_close_cb close; + mz_stream_error_cb error; + mz_stream_create_cb create; + mz_stream_destroy_cb destroy; + + mz_stream_get_prop_int64_cb get_prop_int64; + mz_stream_set_prop_int64_cb set_prop_int64; +} mz_stream_vtbl; + +typedef struct mz_stream_s { + mz_stream_vtbl *vtbl; + struct mz_stream_s *base; +} mz_stream; + +/***************************************************************************/ + +int32_t mz_stream_open(void *stream, const char *path, int32_t mode); +int32_t mz_stream_is_open(void *stream); +int32_t mz_stream_read(void *stream, void *buf, int32_t size); +int32_t mz_stream_read_uint8(void *stream, uint8_t *value); +int32_t mz_stream_read_uint16(void *stream, uint16_t *value); +int32_t mz_stream_read_uint32(void *stream, uint32_t *value); +int32_t mz_stream_read_int64(void *stream, int64_t *value); +int32_t mz_stream_read_uint64(void *stream, uint64_t *value); +int32_t mz_stream_write(void *stream, const void *buf, int32_t size); +int32_t mz_stream_write_uint8(void *stream, uint8_t value); +int32_t mz_stream_write_uint16(void *stream, uint16_t value); +int32_t mz_stream_write_uint32(void *stream, uint32_t value); +int32_t mz_stream_write_int64(void *stream, int64_t value); +int32_t mz_stream_write_uint64(void *stream, uint64_t value); +int32_t mz_stream_copy(void *target, void *source, int32_t len); +int32_t mz_stream_copy_to_end(void *target, void *source); +int32_t mz_stream_copy_stream(void *target, mz_stream_write_cb write_cb, void *source, mz_stream_read_cb read_cb, int32_t len); +int32_t mz_stream_copy_stream_to_end(void *target, mz_stream_write_cb write_cb, void *source, mz_stream_read_cb read_cb); +int64_t mz_stream_tell(void *stream); +int32_t mz_stream_seek(void *stream, int64_t offset, int32_t origin); +int32_t mz_stream_find(void *stream, const void *find, int32_t find_size, int64_t max_seek, int64_t *position); +int32_t mz_stream_find_reverse(void *stream, const void *find, int32_t find_size, int64_t max_seek, int64_t *position); +int32_t mz_stream_close(void *stream); +int32_t mz_stream_error(void *stream); + +int32_t mz_stream_set_base(void *stream, void *base); +void* mz_stream_get_interface(void *stream); +int32_t mz_stream_get_prop_int64(void *stream, int32_t prop, int64_t *value); +int32_t mz_stream_set_prop_int64(void *stream, int32_t prop, int64_t value); + +void* mz_stream_create(void **stream, mz_stream_vtbl *vtbl); +void mz_stream_delete(void **stream); + +/***************************************************************************/ + +int32_t mz_stream_raw_open(void *stream, const char *filename, int32_t mode); +int32_t mz_stream_raw_is_open(void *stream); +int32_t mz_stream_raw_read(void *stream, void *buf, int32_t size); +int32_t mz_stream_raw_write(void *stream, const void *buf, int32_t size); +int64_t mz_stream_raw_tell(void *stream); +int32_t mz_stream_raw_seek(void *stream, int64_t offset, int32_t origin); +int32_t mz_stream_raw_close(void *stream); +int32_t mz_stream_raw_error(void *stream); + +int32_t mz_stream_raw_get_prop_int64(void *stream, int32_t prop, int64_t *value); +int32_t mz_stream_raw_set_prop_int64(void *stream, int32_t prop, int64_t value); + +void* mz_stream_raw_create(void **stream); +void mz_stream_raw_delete(void **stream); + +/***************************************************************************/ + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/Externals/minizip/mz_strm_buf.c b/Externals/minizip/mz_strm_buf.c new file mode 100644 index 0000000000..1dfdfdf5fd --- /dev/null +++ b/Externals/minizip/mz_strm_buf.c @@ -0,0 +1,385 @@ +/* mz_strm_buf.c -- Stream for buffering reads/writes + part of the minizip-ng project + + This version of ioapi is designed to buffer IO. + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. +*/ + +#include "mz.h" +#include "mz_strm.h" +#include "mz_strm_buf.h" + +/***************************************************************************/ + +static mz_stream_vtbl mz_stream_buffered_vtbl = { + mz_stream_buffered_open, + mz_stream_buffered_is_open, + mz_stream_buffered_read, + mz_stream_buffered_write, + mz_stream_buffered_tell, + mz_stream_buffered_seek, + mz_stream_buffered_close, + mz_stream_buffered_error, + mz_stream_buffered_create, + mz_stream_buffered_delete, + NULL, + NULL +}; + +/***************************************************************************/ + +typedef struct mz_stream_buffered_s { + mz_stream stream; + int32_t error; + char readbuf[INT16_MAX]; + int32_t readbuf_len; + int32_t readbuf_pos; + int32_t readbuf_hits; + int32_t readbuf_misses; + char writebuf[INT16_MAX]; + int32_t writebuf_len; + int32_t writebuf_pos; + int32_t writebuf_hits; + int32_t writebuf_misses; + int64_t position; +} mz_stream_buffered; + +/***************************************************************************/ + +#if 0 +# define mz_stream_buffered_print printf +#else +# define mz_stream_buffered_print(fmt,...) +#endif + +/***************************************************************************/ + +static int32_t mz_stream_buffered_reset(void *stream) { + mz_stream_buffered *buffered = (mz_stream_buffered *)stream; + + buffered->readbuf_len = 0; + buffered->readbuf_pos = 0; + buffered->writebuf_len = 0; + buffered->writebuf_pos = 0; + buffered->position = 0; + + return MZ_OK; +} + +int32_t mz_stream_buffered_open(void *stream, const char *path, int32_t mode) { + mz_stream_buffered *buffered = (mz_stream_buffered *)stream; + mz_stream_buffered_print("Buffered - Open (mode %" PRId32 ")\n", mode); + mz_stream_buffered_reset(buffered); + return mz_stream_open(buffered->stream.base, path, mode); +} + +int32_t mz_stream_buffered_is_open(void *stream) { + mz_stream_buffered *buffered = (mz_stream_buffered *)stream; + return mz_stream_is_open(buffered->stream.base); +} + +static int32_t mz_stream_buffered_flush(void *stream, int32_t *written) { + mz_stream_buffered *buffered = (mz_stream_buffered *)stream; + int32_t total_bytes_written = 0; + int32_t bytes_to_write = buffered->writebuf_len; + int32_t bytes_left_to_write = buffered->writebuf_len; + int32_t bytes_written = 0; + + *written = 0; + + while (bytes_left_to_write > 0) { + bytes_written = mz_stream_write(buffered->stream.base, + buffered->writebuf + (bytes_to_write - bytes_left_to_write), bytes_left_to_write); + + if (bytes_written != bytes_left_to_write) + return MZ_WRITE_ERROR; + + buffered->writebuf_misses += 1; + + mz_stream_buffered_print("Buffered - Write flush (%" PRId32 ":%" PRId32 " len %" PRId32 ")\n", + bytes_to_write, bytes_left_to_write, buffered->writebuf_len); + + total_bytes_written += bytes_written; + bytes_left_to_write -= bytes_written; + buffered->position += bytes_written; + } + + buffered->writebuf_len = 0; + buffered->writebuf_pos = 0; + + *written = total_bytes_written; + return MZ_OK; +} + +int32_t mz_stream_buffered_read(void *stream, void *buf, int32_t size) { + mz_stream_buffered *buffered = (mz_stream_buffered *)stream; + int32_t buf_len = 0; + int32_t bytes_to_read = 0; + int32_t bytes_to_copy = 0; + int32_t bytes_left_to_read = size; + int32_t bytes_read = 0; + int32_t bytes_flushed = 0; + + mz_stream_buffered_print("Buffered - Read (size %" PRId32 " pos %" PRId64 ")\n", size, buffered->position); + + if (buffered->writebuf_len > 0) { + int64_t position = buffered->position + buffered->writebuf_pos + + mz_stream_buffered_print("Buffered - Switch from write to read, flushing (pos %" PRId64 ")\n", position); + + mz_stream_buffered_flush(stream, &bytes_flushed); + mz_stream_buffered_seek(stream, position, MZ_SEEK_SET); + } + + while (bytes_left_to_read > 0) { + if ((buffered->readbuf_len == 0) || (buffered->readbuf_pos == buffered->readbuf_len)) { + if (buffered->readbuf_len == sizeof(buffered->readbuf)) { + buffered->readbuf_pos = 0; + buffered->readbuf_len = 0; + } + + bytes_to_read = (int32_t)sizeof(buffered->readbuf) - (buffered->readbuf_len - buffered->readbuf_pos); + bytes_read = mz_stream_read(buffered->stream.base, buffered->readbuf + buffered->readbuf_pos, bytes_to_read); + if (bytes_read < 0) + return bytes_read; + + buffered->readbuf_misses += 1; + buffered->readbuf_len += bytes_read; + buffered->position += bytes_read; + + mz_stream_buffered_print("Buffered - Filled (read %" PRId32 "/%" PRId32 " buf %" PRId32 ":%" PRId32 " pos %" PRId64 ")\n", + bytes_read, bytes_to_read, buffered->readbuf_pos, buffered->readbuf_len, buffered->position); + + if (bytes_read == 0) + break; + } + + if ((buffered->readbuf_len - buffered->readbuf_pos) > 0) { + bytes_to_copy = buffered->readbuf_len - buffered->readbuf_pos; + if (bytes_to_copy > bytes_left_to_read) + bytes_to_copy = bytes_left_to_read; + + memcpy((char *)buf + buf_len, buffered->readbuf + buffered->readbuf_pos, bytes_to_copy); + + buf_len += bytes_to_copy; + bytes_left_to_read -= bytes_to_copy; + + buffered->readbuf_hits += 1; + buffered->readbuf_pos += bytes_to_copy; + + mz_stream_buffered_print("Buffered - Emptied (copied %" PRId32 " remaining %" PRId32 " buf %" PRId32 ":%" PRId32 " pos %" PRId64 ")\n", + bytes_to_copy, bytes_left_to_read, buffered->readbuf_pos, buffered->readbuf_len, buffered->position); + } + } + + return size - bytes_left_to_read; +} + +int32_t mz_stream_buffered_write(void *stream, const void *buf, int32_t size) { + mz_stream_buffered *buffered = (mz_stream_buffered *)stream; + int32_t bytes_to_write = size; + int32_t bytes_left_to_write = size; + int32_t bytes_to_copy = 0; + int32_t bytes_used = 0; + int32_t bytes_flushed = 0; + int32_t err = MZ_OK; + + + mz_stream_buffered_print("Buffered - Write (size %" PRId32 " len %" PRId32 " pos %" PRId64 ")\n", + size, buffered->writebuf_len, buffered->position); + + if (buffered->readbuf_len > 0) { + buffered->position -= buffered->readbuf_len; + buffered->position += buffered->readbuf_pos; + + buffered->readbuf_len = 0; + buffered->readbuf_pos = 0; + + mz_stream_buffered_print("Buffered - Switch from read to write (pos %" PRId64 ")\n", buffered->position); + + err = mz_stream_seek(buffered->stream.base, buffered->position, MZ_SEEK_SET); + if (err != MZ_OK) + return err; + } + + while (bytes_left_to_write > 0) { + bytes_used = buffered->writebuf_len; + if (bytes_used > buffered->writebuf_pos) + bytes_used = buffered->writebuf_pos; + bytes_to_copy = (int32_t)sizeof(buffered->writebuf) - bytes_used; + if (bytes_to_copy > bytes_left_to_write) + bytes_to_copy = bytes_left_to_write; + + if (bytes_to_copy == 0) { + err = mz_stream_buffered_flush(stream, &bytes_flushed); + if (err != MZ_OK) + return err; + if (bytes_flushed == 0) + return 0; + + continue; + } + + memcpy(buffered->writebuf + buffered->writebuf_pos, + (const char *)buf + (bytes_to_write - bytes_left_to_write), bytes_to_copy); + + mz_stream_buffered_print("Buffered - Write copy (remaining %" PRId32 " write %" PRId32 ":%" PRId32 " len %" PRId32 ")\n", + bytes_to_copy, bytes_to_write, bytes_left_to_write, buffered->writebuf_len); + + bytes_left_to_write -= bytes_to_copy; + + buffered->writebuf_pos += bytes_to_copy; + buffered->writebuf_hits += 1; + if (buffered->writebuf_pos > buffered->writebuf_len) + buffered->writebuf_len += buffered->writebuf_pos - buffered->writebuf_len; + } + + return size - bytes_left_to_write; +} + +int64_t mz_stream_buffered_tell(void *stream) { + mz_stream_buffered *buffered = (mz_stream_buffered *)stream; + int64_t position = mz_stream_tell(buffered->stream.base); + + buffered->position = position; + + mz_stream_buffered_print("Buffered - Tell (pos %" PRId64 " readpos %" PRId32 " writepos %" PRId32 ")\n", + buffered->position, buffered->readbuf_pos, buffered->writebuf_pos); + + if (buffered->readbuf_len > 0) + position -= ((int64_t)buffered->readbuf_len - buffered->readbuf_pos); + if (buffered->writebuf_len > 0) + position += buffered->writebuf_pos; + return position; +} + +int32_t mz_stream_buffered_seek(void *stream, int64_t offset, int32_t origin) { + mz_stream_buffered *buffered = (mz_stream_buffered *)stream; + int32_t bytes_flushed = 0; + int32_t err = MZ_OK; + + mz_stream_buffered_print("Buffered - Seek (origin %" PRId32 " offset %" PRId64 " pos %" PRId64 ")\n", + origin, offset, buffered->position); + + switch (origin) { + case MZ_SEEK_SET: + + if ((buffered->readbuf_len > 0) && (offset < buffered->position) && + (offset >= buffered->position - buffered->readbuf_len)) { + buffered->readbuf_pos = (int32_t)(offset - (buffered->position - buffered->readbuf_len)); + return MZ_OK; + } + if (buffered->writebuf_len > 0) { + if ((offset >= buffered->position) && (offset <= buffered->position + buffered->writebuf_len)) { + buffered->writebuf_pos = (int32_t)(offset - buffered->position); + return MZ_OK; + } + } + + err = mz_stream_buffered_flush(stream, &bytes_flushed); + if (err != MZ_OK) + return err; + + buffered->position = offset; + break; + + case MZ_SEEK_CUR: + + if (buffered->readbuf_len > 0) { + if (offset <= ((int64_t)buffered->readbuf_len - buffered->readbuf_pos)) { + buffered->readbuf_pos += (uint32_t)offset; + return MZ_OK; + } + offset -= ((int64_t)buffered->readbuf_len - buffered->readbuf_pos); + buffered->position += offset; + } + if (buffered->writebuf_len > 0) { + if (offset <= ((int64_t)buffered->writebuf_len - buffered->writebuf_pos)) { + buffered->writebuf_pos += (uint32_t)offset; + return MZ_OK; + } + /* offset -= (buffered->writebuf_len - buffered->writebuf_pos); */ + } + + err = mz_stream_buffered_flush(stream, &bytes_flushed); + if (err != MZ_OK) + return err; + + break; + + case MZ_SEEK_END: + + if (buffered->writebuf_len > 0) { + buffered->writebuf_pos = buffered->writebuf_len; + return MZ_OK; + } + break; + } + + buffered->readbuf_len = 0; + buffered->readbuf_pos = 0; + buffered->writebuf_len = 0; + buffered->writebuf_pos = 0; + + return mz_stream_seek(buffered->stream.base, offset, origin); +} + +int32_t mz_stream_buffered_close(void *stream) { + mz_stream_buffered *buffered = (mz_stream_buffered *)stream; + int32_t bytes_flushed = 0; + + mz_stream_buffered_flush(stream, &bytes_flushed); + mz_stream_buffered_print("Buffered - Close (flushed %" PRId32 ")\n", bytes_flushed); + + if (buffered->readbuf_hits + buffered->readbuf_misses > 0) { + mz_stream_buffered_print("Buffered - Read efficiency %.02f%%\n", + (buffered->readbuf_hits / ((float)buffered->readbuf_hits + buffered->readbuf_misses)) * 100); + } + + if (buffered->writebuf_hits + buffered->writebuf_misses > 0) { + mz_stream_buffered_print("Buffered - Write efficiency %.02f%%\n", + (buffered->writebuf_hits / ((float)buffered->writebuf_hits + buffered->writebuf_misses)) * 100); + } + + mz_stream_buffered_reset(buffered); + + return mz_stream_close(buffered->stream.base); +} + +int32_t mz_stream_buffered_error(void *stream) { + mz_stream_buffered *buffered = (mz_stream_buffered *)stream; + return mz_stream_error(buffered->stream.base); +} + +void *mz_stream_buffered_create(void **stream) { + mz_stream_buffered *buffered = NULL; + + buffered = (mz_stream_buffered *)MZ_ALLOC(sizeof(mz_stream_buffered)); + if (buffered != NULL) { + memset(buffered, 0, sizeof(mz_stream_buffered)); + buffered->stream.vtbl = &mz_stream_buffered_vtbl; + } + if (stream != NULL) + *stream = buffered; + + return buffered; +} + +void mz_stream_buffered_delete(void **stream) { + mz_stream_buffered *buffered = NULL; + if (stream == NULL) + return; + buffered = (mz_stream_buffered *)*stream; + if (buffered != NULL) + MZ_FREE(buffered); + *stream = NULL; +} + +void *mz_stream_buffered_get_interface(void) { + return (void *)&mz_stream_buffered_vtbl; +} diff --git a/Externals/minizip/mz_strm_buf.h b/Externals/minizip/mz_strm_buf.h new file mode 100644 index 0000000000..b71e6e4e92 --- /dev/null +++ b/Externals/minizip/mz_strm_buf.h @@ -0,0 +1,42 @@ +/* mz_strm_buf.h -- Stream for buffering reads/writes + part of the minizip-ng project + + This version of ioapi is designed to buffer IO. + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. +*/ + +#ifndef MZ_STREAM_BUFFERED_H +#define MZ_STREAM_BUFFERED_H + +#ifdef __cplusplus +extern "C" { +#endif + +/***************************************************************************/ + +int32_t mz_stream_buffered_open(void *stream, const char *path, int32_t mode); +int32_t mz_stream_buffered_is_open(void *stream); +int32_t mz_stream_buffered_read(void *stream, void *buf, int32_t size); +int32_t mz_stream_buffered_write(void *stream, const void *buf, int32_t size); +int64_t mz_stream_buffered_tell(void *stream); +int32_t mz_stream_buffered_seek(void *stream, int64_t offset, int32_t origin); +int32_t mz_stream_buffered_close(void *stream); +int32_t mz_stream_buffered_error(void *stream); + +void* mz_stream_buffered_create(void **stream); +void mz_stream_buffered_delete(void **stream); + +void* mz_stream_buffered_get_interface(void); + +/***************************************************************************/ + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/Externals/minizip/mz_strm_bzip.c b/Externals/minizip/mz_strm_bzip.c new file mode 100644 index 0000000000..31d8bf9a5e --- /dev/null +++ b/Externals/minizip/mz_strm_bzip.c @@ -0,0 +1,374 @@ +/* mz_strm_bzip.c -- Stream for bzip inflate/deflate + part of the minizip-ng project + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. +*/ + + +#include "mz.h" +#include "mz_strm.h" +#include "mz_strm_bzip.h" + +#include "bzlib.h" + +/***************************************************************************/ + +static mz_stream_vtbl mz_stream_bzip_vtbl = { + mz_stream_bzip_open, + mz_stream_bzip_is_open, + mz_stream_bzip_read, + mz_stream_bzip_write, + mz_stream_bzip_tell, + mz_stream_bzip_seek, + mz_stream_bzip_close, + mz_stream_bzip_error, + mz_stream_bzip_create, + mz_stream_bzip_delete, + mz_stream_bzip_get_prop_int64, + mz_stream_bzip_set_prop_int64 +}; + +/***************************************************************************/ + +typedef struct mz_stream_bzip_s { + mz_stream stream; + bz_stream bzstream; + int32_t mode; + int32_t error; + uint8_t buffer[INT16_MAX]; + int32_t buffer_len; + int16_t stream_end; + int64_t total_in; + int64_t total_out; + int64_t max_total_in; + int8_t initialized; + int16_t level; +} mz_stream_bzip; + +/***************************************************************************/ + +int32_t mz_stream_bzip_open(void *stream, const char *path, int32_t mode) { + mz_stream_bzip *bzip = (mz_stream_bzip *)stream; + + MZ_UNUSED(path); + + bzip->bzstream.bzalloc = 0; + bzip->bzstream.bzfree = 0; + bzip->bzstream.opaque = 0; + bzip->bzstream.total_in_lo32 = 0; + bzip->bzstream.total_in_hi32 = 0; + bzip->bzstream.total_out_lo32 = 0; + bzip->bzstream.total_out_hi32 = 0; + + bzip->total_in = 0; + bzip->total_out = 0; + + if (mode & MZ_OPEN_MODE_WRITE) { +#ifdef MZ_ZIP_NO_COMPRESSION + return MZ_SUPPORT_ERROR; +#else + bzip->bzstream.next_out = (char *)bzip->buffer; + bzip->bzstream.avail_out = sizeof(bzip->buffer); + + bzip->error = BZ2_bzCompressInit(&bzip->bzstream, bzip->level, 0, 0); +#endif + } else if (mode & MZ_OPEN_MODE_READ) { +#ifdef MZ_ZIP_NO_DECOMPRESSION + return MZ_SUPPORT_ERROR; +#else + bzip->bzstream.next_in = (char *)bzip->buffer; + bzip->bzstream.avail_in = 0; + + bzip->error = BZ2_bzDecompressInit(&bzip->bzstream, 0, 0); +#endif + } + + if (bzip->error != BZ_OK) + return MZ_OPEN_ERROR; + + bzip->initialized = 1; + bzip->stream_end = 0; + bzip->mode = mode; + return MZ_OK; +} + +int32_t mz_stream_bzip_is_open(void *stream) { + mz_stream_bzip *bzip = (mz_stream_bzip *)stream; + if (bzip->initialized != 1) + return MZ_OPEN_ERROR; + return MZ_OK; +} + +int32_t mz_stream_bzip_read(void *stream, void *buf, int32_t size) { +#ifdef MZ_ZIP_NO_DECOMPRESSION + MZ_UNUSED(stream); + MZ_UNUSED(buf); + MZ_UNUSED(size); + return MZ_SUPPORT_ERROR; +#else + mz_stream_bzip *bzip = (mz_stream_bzip *)stream; + uint64_t total_in_before = 0; + uint64_t total_out_before = 0; + uint64_t total_in_after = 0; + uint64_t total_out_after = 0; + int32_t total_in = 0; + int32_t total_out = 0; + int32_t in_bytes = 0; + int32_t out_bytes = 0; + int32_t bytes_to_read = sizeof(bzip->buffer); + int32_t read = 0; + int32_t err = BZ_OK; + + + if (bzip->stream_end) + return 0; + + bzip->bzstream.next_out = (char *)buf; + bzip->bzstream.avail_out = (unsigned int)size; + + do { + if (bzip->bzstream.avail_in == 0) { + if (bzip->max_total_in > 0) { + if ((int64_t)bytes_to_read > (bzip->max_total_in - bzip->total_in)) + bytes_to_read = (int32_t)(bzip->max_total_in - bzip->total_in); + } + + read = mz_stream_read(bzip->stream.base, bzip->buffer, bytes_to_read); + + if (read < 0) + return read; + + bzip->bzstream.next_in = (char *)bzip->buffer; + bzip->bzstream.avail_in = (uint32_t)read; + } + + total_in_before = bzip->bzstream.avail_in; + total_out_before = bzip->bzstream.total_out_lo32 + + (((uint64_t)bzip->bzstream.total_out_hi32) << 32); + + err = BZ2_bzDecompress(&bzip->bzstream); + + total_in_after = bzip->bzstream.avail_in; + total_out_after = bzip->bzstream.total_out_lo32 + + (((uint64_t)bzip->bzstream.total_out_hi32) << 32); + + in_bytes = (int32_t)(total_in_before - total_in_after); + out_bytes = (int32_t)(total_out_after - total_out_before); + + total_in += in_bytes; + total_out += out_bytes; + + bzip->total_in += in_bytes; + bzip->total_out += out_bytes; + + if (err == BZ_STREAM_END) { + bzip->stream_end = 1; + break; + } + if (err != BZ_OK && err != BZ_RUN_OK) { + bzip->error = err; + break; + } + } while (bzip->bzstream.avail_out > 0); + + if (bzip->error != 0) + return MZ_DATA_ERROR; + + return total_out; +#endif +} + +#ifndef MZ_ZIP_NO_COMPRESSION +static int32_t mz_stream_bzip_flush(void *stream) { + mz_stream_bzip *bzip = (mz_stream_bzip *)stream; + if (mz_stream_write(bzip->stream.base, bzip->buffer, bzip->buffer_len) != bzip->buffer_len) + return MZ_WRITE_ERROR; + return MZ_OK; +} + +static int32_t mz_stream_bzip_compress(void *stream, int flush) { + mz_stream_bzip *bzip = (mz_stream_bzip *)stream; + uint64_t total_out_before = 0; + uint64_t total_out_after = 0; + uint32_t out_bytes = 0; + int32_t err = BZ_OK; + + do { + if (bzip->bzstream.avail_out == 0) { + err = mz_stream_bzip_flush(bzip); + if (err != MZ_OK) + return err; + + bzip->bzstream.avail_out = sizeof(bzip->buffer); + bzip->bzstream.next_out = (char *)bzip->buffer; + + bzip->buffer_len = 0; + } + + total_out_before = bzip->bzstream.total_out_lo32 + + (((uint64_t)bzip->bzstream.total_out_hi32) << 32); + + err = BZ2_bzCompress(&bzip->bzstream, flush); + + total_out_after = bzip->bzstream.total_out_lo32 + + (((uint64_t)bzip->bzstream.total_out_hi32) << 32); + + out_bytes = (uint32_t)(total_out_after - total_out_before); + + bzip->buffer_len += out_bytes; + bzip->total_out += out_bytes; + + if (err == BZ_STREAM_END) + break; + if (err < 0) { + bzip->error = err; + return MZ_DATA_ERROR; + } + } while ((bzip->bzstream.avail_in > 0) || (flush == BZ_FINISH && err == BZ_FINISH_OK)); + + return MZ_OK; +} +#endif + +int32_t mz_stream_bzip_write(void *stream, const void *buf, int32_t size) { +#ifdef MZ_ZIP_NO_COMPRESSION + MZ_UNUSED(stream); + MZ_UNUSED(buf); + MZ_UNUSED(size); + return MZ_SUPPORT_ERROR; +#else + mz_stream_bzip *bzip = (mz_stream_bzip *)stream; + int32_t err = MZ_OK; + + bzip->bzstream.next_in = (char *)(intptr_t)buf; + bzip->bzstream.avail_in = (unsigned int)size; + + err = mz_stream_bzip_compress(stream, BZ_RUN); + if (err != MZ_OK) { + return err; + } + + bzip->total_in += size; + return size; +#endif +} + +int64_t mz_stream_bzip_tell(void *stream) { + MZ_UNUSED(stream); + + return MZ_TELL_ERROR; +} + +int32_t mz_stream_bzip_seek(void *stream, int64_t offset, int32_t origin) { + MZ_UNUSED(stream); + MZ_UNUSED(offset); + MZ_UNUSED(origin); + + return MZ_SEEK_ERROR; +} + +int32_t mz_stream_bzip_close(void *stream) { + mz_stream_bzip *bzip = (mz_stream_bzip *)stream; + + if (bzip->mode & MZ_OPEN_MODE_WRITE) { +#ifdef MZ_ZIP_NO_COMPRESSION + return MZ_SUPPORT_ERROR; +#else + mz_stream_bzip_compress(stream, BZ_FINISH); + mz_stream_bzip_flush(stream); + + BZ2_bzCompressEnd(&bzip->bzstream); +#endif + } else if (bzip->mode & MZ_OPEN_MODE_READ) { +#ifdef MZ_ZIP_NO_DECOMPRESSION + return MZ_SUPPORT_ERROR; +#else + BZ2_bzDecompressEnd(&bzip->bzstream); +#endif + } + + bzip->initialized = 0; + + if (bzip->error != BZ_OK) + return MZ_CLOSE_ERROR; + return MZ_OK; +} + +int32_t mz_stream_bzip_error(void *stream) { + mz_stream_bzip *bzip = (mz_stream_bzip *)stream; + return bzip->error; +} + +int32_t mz_stream_bzip_get_prop_int64(void *stream, int32_t prop, int64_t *value) { + mz_stream_bzip *bzip = (mz_stream_bzip *)stream; + switch (prop) { + case MZ_STREAM_PROP_TOTAL_IN: + *value = bzip->total_in; + break; + case MZ_STREAM_PROP_TOTAL_IN_MAX: + *value = bzip->max_total_in; + break; + case MZ_STREAM_PROP_TOTAL_OUT: + *value = bzip->total_out; + break; + case MZ_STREAM_PROP_HEADER_SIZE: + *value = 0; + break; + default: + return MZ_EXIST_ERROR; + } + return MZ_OK; +} + +int32_t mz_stream_bzip_set_prop_int64(void *stream, int32_t prop, int64_t value) { + mz_stream_bzip *bzip = (mz_stream_bzip *)stream; + switch (prop) { + case MZ_STREAM_PROP_COMPRESS_LEVEL: + if (value < 0) + bzip->level = 6; + else + bzip->level = (int16_t)value; + return MZ_OK; + case MZ_STREAM_PROP_TOTAL_IN_MAX: + bzip->max_total_in = value; + return MZ_OK; + } + return MZ_EXIST_ERROR; +} + +void *mz_stream_bzip_create(void **stream) { + mz_stream_bzip *bzip = NULL; + + bzip = (mz_stream_bzip *)MZ_ALLOC(sizeof(mz_stream_bzip)); + if (bzip != NULL) { + memset(bzip, 0, sizeof(mz_stream_bzip)); + bzip->stream.vtbl = &mz_stream_bzip_vtbl; + bzip->level = 6; + } + if (stream != NULL) + *stream = bzip; + + return bzip; +} + +void mz_stream_bzip_delete(void **stream) { + mz_stream_bzip *bzip = NULL; + if (stream == NULL) + return; + bzip = (mz_stream_bzip *)*stream; + if (bzip != NULL) + MZ_FREE(bzip); + *stream = NULL; +} + +void *mz_stream_bzip_get_interface(void) { + return (void *)&mz_stream_bzip_vtbl; +} + +extern void bz_internal_error(int errcode) { + MZ_UNUSED(errcode); +} diff --git a/Externals/minizip/mz_strm_bzip.h b/Externals/minizip/mz_strm_bzip.h new file mode 100644 index 0000000000..71b2b380ba --- /dev/null +++ b/Externals/minizip/mz_strm_bzip.h @@ -0,0 +1,45 @@ +/* mz_strm_bzip.h -- Stream for bzip inflate/deflate + part of the minizip-ng project + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. +*/ + +#ifndef MZ_STREAM_BZIP_H +#define MZ_STREAM_BZIP_H + +#ifdef __cplusplus +extern "C" { +#endif + +/***************************************************************************/ + +int32_t mz_stream_bzip_open(void *stream, const char *filename, int32_t mode); +int32_t mz_stream_bzip_is_open(void *stream); +int32_t mz_stream_bzip_read(void *stream, void *buf, int32_t size); +int32_t mz_stream_bzip_write(void *stream, const void *buf, int32_t size); +int64_t mz_stream_bzip_tell(void *stream); +int32_t mz_stream_bzip_seek(void *stream, int64_t offset, int32_t origin); +int32_t mz_stream_bzip_close(void *stream); +int32_t mz_stream_bzip_error(void *stream); + +int32_t mz_stream_bzip_get_prop_int64(void *stream, int32_t prop, int64_t *value); +int32_t mz_stream_bzip_set_prop_int64(void *stream, int32_t prop, int64_t value); + +void* mz_stream_bzip_create(void **stream); +void mz_stream_bzip_delete(void **stream); + +void* mz_stream_bzip_get_interface(void); + +void bz_internal_error(int errcode); + +/***************************************************************************/ + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/Externals/minizip/mz_strm_libcomp.c b/Externals/minizip/mz_strm_libcomp.c new file mode 100644 index 0000000000..27eb933453 --- /dev/null +++ b/Externals/minizip/mz_strm_libcomp.c @@ -0,0 +1,356 @@ +/* mz_strm_libcomp.c -- Stream for apple compression + part of the minizip-ng project + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. +*/ + + +#include "mz.h" +#include "mz_strm.h" +#include "mz_strm_libcomp.h" + +#include <compression.h> + +/***************************************************************************/ + +static mz_stream_vtbl mz_stream_libcomp_vtbl = { + mz_stream_libcomp_open, + mz_stream_libcomp_is_open, + mz_stream_libcomp_read, + mz_stream_libcomp_write, + mz_stream_libcomp_tell, + mz_stream_libcomp_seek, + mz_stream_libcomp_close, + mz_stream_libcomp_error, + mz_stream_libcomp_create, + mz_stream_libcomp_delete, + mz_stream_libcomp_get_prop_int64, + mz_stream_libcomp_set_prop_int64 +}; + +/***************************************************************************/ + +typedef struct mz_stream_libcomp_s { + mz_stream stream; + compression_stream + cstream; + uint8_t buffer[INT16_MAX]; + int32_t buffer_len; + int64_t total_in; + int64_t total_out; + int64_t max_total_in; + int8_t initialized; + int32_t mode; + int32_t error; + int16_t method; +} mz_stream_libcomp; + +/***************************************************************************/ + +int32_t mz_stream_libcomp_open(void *stream, const char *path, int32_t mode) { + mz_stream_libcomp *libcomp = (mz_stream_libcomp *)stream; + int32_t err = 0; + int16_t operation = 0; + compression_algorithm algorithm = 0; + + MZ_UNUSED(path); + + if (libcomp->method == 0) + return MZ_PARAM_ERROR; + + libcomp->total_in = 0; + libcomp->total_out = 0; + + if (mode & MZ_OPEN_MODE_WRITE) { +#ifdef MZ_ZIP_NO_COMPRESSION + return MZ_SUPPORT_ERROR; +#else + operation = COMPRESSION_STREAM_ENCODE; +#endif + } else if (mode & MZ_OPEN_MODE_READ) { +#ifdef MZ_ZIP_NO_DECOMPRESSION + return MZ_SUPPORT_ERROR; +#else + operation = COMPRESSION_STREAM_DECODE; +#endif + } + + if (libcomp->method == MZ_COMPRESS_METHOD_DEFLATE) + algorithm = COMPRESSION_ZLIB; + else if (libcomp->method == MZ_COMPRESS_METHOD_XZ) + algorithm = COMPRESSION_LZMA; + else + return MZ_SUPPORT_ERROR; + + err = compression_stream_init(&libcomp->cstream, (compression_stream_operation)operation, algorithm); + + if (err == COMPRESSION_STATUS_ERROR) { + libcomp->error = err; + return MZ_OPEN_ERROR; + } + + libcomp->initialized = 1; + libcomp->mode = mode; + return MZ_OK; +} + +int32_t mz_stream_libcomp_is_open(void *stream) { + mz_stream_libcomp *libcomp = (mz_stream_libcomp *)stream; + if (libcomp->initialized != 1) + return MZ_OPEN_ERROR; + return MZ_OK; +} + +int32_t mz_stream_libcomp_read(void *stream, void *buf, int32_t size) { +#ifdef MZ_ZIP_NO_DECOMPRESSION + MZ_UNUSED(stream); + MZ_UNUSED(buf); + MZ_UNUSED(size); + return MZ_SUPPORT_ERROR; +#else + mz_stream_libcomp *libcomp = (mz_stream_libcomp *)stream; + uint64_t total_in_before = 0; + uint64_t total_in_after = 0; + uint64_t total_out_before = 0; + uint64_t total_out_after = 0; + int32_t total_in = 0; + int32_t total_out = 0; + int32_t in_bytes = 0; + int32_t out_bytes = 0; + int32_t bytes_to_read = sizeof(libcomp->buffer); + int32_t read = 0; + int32_t err = MZ_OK; + int16_t flags = 0; + + libcomp->cstream.dst_ptr = buf; + libcomp->cstream.dst_size = (size_t)size; + + do { + if (libcomp->cstream.src_size == 0) { + if (libcomp->max_total_in > 0) { + if ((int64_t)bytes_to_read > (libcomp->max_total_in - libcomp->total_in)) + bytes_to_read = (int32_t)(libcomp->max_total_in - libcomp->total_in); + } + + read = mz_stream_read(libcomp->stream.base, libcomp->buffer, bytes_to_read); + + if (read < 0) + return read; + if (read == 0) + flags = COMPRESSION_STREAM_FINALIZE; + + libcomp->cstream.src_ptr = libcomp->buffer; + libcomp->cstream.src_size = (size_t)read; + } + + total_in_before = libcomp->cstream.src_size; + total_out_before = libcomp->cstream.dst_size; + + err = compression_stream_process(&libcomp->cstream, flags); + if (err == COMPRESSION_STATUS_ERROR) { + libcomp->error = err; + break; + } + + total_in_after = libcomp->cstream.src_size; + total_out_after = libcomp->cstream.dst_size; + + in_bytes = (int32_t)(total_in_before - total_in_after); + out_bytes = (int32_t)(total_out_before - total_out_after); + + total_in += in_bytes; + total_out += out_bytes; + + libcomp->total_in += in_bytes; + libcomp->total_out += out_bytes; + + if (err == COMPRESSION_STATUS_END) + break; + if (err != COMPRESSION_STATUS_OK) { + libcomp->error = err; + break; + } + } while (libcomp->cstream.dst_size > 0); + + if (libcomp->error != 0) + return MZ_DATA_ERROR; + + return total_out; +#endif +} + +static int32_t mz_stream_libcomp_flush(void *stream) { + mz_stream_libcomp *libcomp = (mz_stream_libcomp *)stream; + if (mz_stream_write(libcomp->stream.base, libcomp->buffer, libcomp->buffer_len) != libcomp->buffer_len) + return MZ_WRITE_ERROR; + return MZ_OK; +} + +static int32_t mz_stream_libcomp_deflate(void *stream, int flush) { + mz_stream_libcomp *libcomp = (mz_stream_libcomp *)stream; + uint64_t total_out_before = 0; + uint64_t total_out_after = 0; + uint32_t out_bytes = 0; + int32_t err = MZ_OK; + + + do { + if (libcomp->cstream.dst_size == 0) { + err = mz_stream_libcomp_flush(libcomp); + if (err != MZ_OK) { + libcomp->error = err; + return err; + } + + libcomp->cstream.dst_size = sizeof(libcomp->buffer); + libcomp->cstream.dst_ptr = libcomp->buffer; + + libcomp->buffer_len = 0; + } + + total_out_before = libcomp->cstream.dst_size; + err = compression_stream_process(&libcomp->cstream, flush); + total_out_after = libcomp->cstream.dst_size; + + out_bytes = (uint32_t)(total_out_before - total_out_after); + + libcomp->buffer_len += out_bytes; + libcomp->total_out += out_bytes; + + if (err == COMPRESSION_STATUS_END) + break; + if (err != COMPRESSION_STATUS_OK) { + libcomp->error = err; + return MZ_DATA_ERROR; + } + } while ((libcomp->cstream.src_size > 0) || (flush == COMPRESSION_STREAM_FINALIZE && err == COMPRESSION_STATUS_OK)); + + return MZ_OK; +} + +int32_t mz_stream_libcomp_write(void *stream, const void *buf, int32_t size) { + mz_stream_libcomp *libcomp = (mz_stream_libcomp *)stream; + int32_t err = size; + +#ifdef MZ_ZIP_NO_COMPRESSION + MZ_UNUSED(libcomp); + err = MZ_SUPPORT_ERROR; +#else + libcomp->cstream.src_ptr = buf; + libcomp->cstream.src_size = (size_t)size; + + mz_stream_libcomp_deflate(stream, 0); + + libcomp->total_in += size; +#endif + return err; +} + +int64_t mz_stream_libcomp_tell(void *stream) { + MZ_UNUSED(stream); + + return MZ_TELL_ERROR; +} + +int32_t mz_stream_libcomp_seek(void *stream, int64_t offset, int32_t origin) { + MZ_UNUSED(stream); + MZ_UNUSED(offset); + MZ_UNUSED(origin); + + return MZ_SEEK_ERROR; +} + +int32_t mz_stream_libcomp_close(void *stream) { + mz_stream_libcomp *libcomp = (mz_stream_libcomp *)stream; + + + if (libcomp->mode & MZ_OPEN_MODE_WRITE) { +#ifdef MZ_ZIP_NO_COMPRESSION + return MZ_SUPPORT_ERROR; +#else + mz_stream_libcomp_deflate(stream, COMPRESSION_STREAM_FINALIZE); + mz_stream_libcomp_flush(stream); +#endif + } else if (libcomp->mode & MZ_OPEN_MODE_READ) { +#ifdef MZ_ZIP_NO_DECOMPRESSION + return MZ_SUPPORT_ERROR; +#endif + } + + compression_stream_destroy(&libcomp->cstream); + + libcomp->initialized = 0; + + if (libcomp->error != MZ_OK) + return MZ_CLOSE_ERROR; + return MZ_OK; +} + +int32_t mz_stream_libcomp_error(void *stream) { + mz_stream_libcomp *libcomp = (mz_stream_libcomp *)stream; + return libcomp->error; +} + +int32_t mz_stream_libcomp_get_prop_int64(void *stream, int32_t prop, int64_t *value) { + mz_stream_libcomp *libcomp = (mz_stream_libcomp *)stream; + switch (prop) { + case MZ_STREAM_PROP_TOTAL_IN: + *value = libcomp->total_in; + break; + case MZ_STREAM_PROP_TOTAL_IN_MAX: + *value = libcomp->max_total_in; + break; + case MZ_STREAM_PROP_TOTAL_OUT: + *value = libcomp->total_out; + break; + case MZ_STREAM_PROP_HEADER_SIZE: + *value = 0; + break; + default: + return MZ_EXIST_ERROR; + } + return MZ_OK; +} + +int32_t mz_stream_libcomp_set_prop_int64(void *stream, int32_t prop, int64_t value) { + mz_stream_libcomp *libcomp = (mz_stream_libcomp *)stream; + switch (prop) { + case MZ_STREAM_PROP_COMPRESS_METHOD: + libcomp->method = (int16_t)value; + break; + case MZ_STREAM_PROP_TOTAL_IN_MAX: + libcomp->max_total_in = value; + break; + default: + return MZ_EXIST_ERROR; + } + return MZ_OK; +} + +void *mz_stream_libcomp_create(void **stream) { + mz_stream_libcomp *libcomp = NULL; + + libcomp = (mz_stream_libcomp *)MZ_ALLOC(sizeof(mz_stream_libcomp)); + if (libcomp != NULL) { + memset(libcomp, 0, sizeof(mz_stream_libcomp)); + libcomp->stream.vtbl = &mz_stream_libcomp_vtbl; + } + if (stream != NULL) + *stream = libcomp; + + return libcomp; +} + +void mz_stream_libcomp_delete(void **stream) { + mz_stream_libcomp *libcomp = NULL; + if (stream == NULL) + return; + libcomp = (mz_stream_libcomp *)*stream; + if (libcomp != NULL) + MZ_FREE(libcomp); + *stream = NULL; +} diff --git a/Externals/minizip/mz_strm_libcomp.h b/Externals/minizip/mz_strm_libcomp.h new file mode 100644 index 0000000000..5c3fee8df9 --- /dev/null +++ b/Externals/minizip/mz_strm_libcomp.h @@ -0,0 +1,45 @@ +/* mz_strm_libcomp.h -- Stream for apple compression + part of the minizip-ng project + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. +*/ + +#ifndef MZ_STREAM_LIBCOMP_H +#define MZ_STREAM_LIBCOMP_H + +#include <stdint.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/***************************************************************************/ + +int32_t mz_stream_libcomp_open(void *stream, const char *filename, int32_t mode); +int32_t mz_stream_libcomp_is_open(void *stream); +int32_t mz_stream_libcomp_read(void *stream, void *buf, int32_t size); +int32_t mz_stream_libcomp_write(void *stream, const void *buf, int32_t size); +int64_t mz_stream_libcomp_tell(void *stream); +int32_t mz_stream_libcomp_seek(void *stream, int64_t offset, int32_t origin); +int32_t mz_stream_libcomp_close(void *stream); +int32_t mz_stream_libcomp_error(void *stream); + +int32_t mz_stream_libcomp_get_prop_int64(void *stream, int32_t prop, int64_t *value); +int32_t mz_stream_libcomp_set_prop_int64(void *stream, int32_t prop, int64_t value); + +void* mz_stream_libcomp_create(void **stream); +void mz_stream_libcomp_delete(void **stream); + +void* mz_stream_libcomp_get_interface(void); + +/***************************************************************************/ + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/Externals/minizip/mz_strm_lzma.c b/Externals/minizip/mz_strm_lzma.c new file mode 100644 index 0000000000..22fb972ef3 --- /dev/null +++ b/Externals/minizip/mz_strm_lzma.c @@ -0,0 +1,470 @@ +/* mz_strm_lzma.c -- Stream for lzma inflate/deflate + part of the minizip-ng project + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. +*/ + + +#include "mz.h" +#include "mz_strm.h" +#include "mz_strm_lzma.h" + +#include "lzma.h" + +/***************************************************************************/ + +#define MZ_LZMA_MAGIC_SIZE (4) +#define MZ_LZMA_ZIP_HEADER_SIZE (5) +#define MZ_LZMA_ALONE_HEADER_SIZE (MZ_LZMA_ZIP_HEADER_SIZE + 8) + +/***************************************************************************/ + +static mz_stream_vtbl mz_stream_lzma_vtbl = { + mz_stream_lzma_open, + mz_stream_lzma_is_open, + mz_stream_lzma_read, + mz_stream_lzma_write, + mz_stream_lzma_tell, + mz_stream_lzma_seek, + mz_stream_lzma_close, + mz_stream_lzma_error, + mz_stream_lzma_create, + mz_stream_lzma_delete, + mz_stream_lzma_get_prop_int64, + mz_stream_lzma_set_prop_int64 +}; + +/***************************************************************************/ + +typedef struct mz_stream_lzma_s { + mz_stream stream; + lzma_stream lstream; + int32_t mode; + int32_t error; + uint8_t buffer[INT16_MAX]; + int32_t buffer_len; + int64_t total_in; + int64_t total_out; + int64_t max_total_in; + int64_t max_total_out; + int8_t initialized; + int8_t header; + int32_t header_size; + uint32_t preset; + int16_t method; +} mz_stream_lzma; + +/***************************************************************************/ + +int32_t mz_stream_lzma_open(void *stream, const char *path, int32_t mode) { + mz_stream_lzma *lzma = (mz_stream_lzma *)stream; + lzma_filter filters[LZMA_FILTERS_MAX + 1]; + lzma_options_lzma opt_lzma; + uint32_t size = 0; + uint8_t major = 0; + uint8_t minor = 0; + + MZ_UNUSED(path); + + memset(&opt_lzma, 0, sizeof(opt_lzma)); + + lzma->lstream.total_in = 0; + lzma->lstream.total_out = 0; + + lzma->total_in = 0; + lzma->total_out = 0; + lzma->header = 0; + + if (mode & MZ_OPEN_MODE_WRITE) { +#ifdef MZ_ZIP_NO_COMPRESSION + MZ_UNUSED(filters); + MZ_UNUSED(major); + MZ_UNUSED(minor); + return MZ_SUPPORT_ERROR; +#else + lzma->lstream.next_out = lzma->buffer; + lzma->lstream.avail_out = sizeof(lzma->buffer); + + if (lzma_lzma_preset(&opt_lzma, lzma->preset)) + return MZ_OPEN_ERROR; + + memset(&filters, 0, sizeof(filters)); + + if (lzma->method == MZ_COMPRESS_METHOD_LZMA) + filters[0].id = LZMA_FILTER_LZMA1; + else if (lzma->method == MZ_COMPRESS_METHOD_XZ) + filters[0].id = LZMA_FILTER_LZMA2; + + filters[0].options = &opt_lzma; + filters[1].id = LZMA_VLI_UNKNOWN; + + lzma_properties_size(&size, (lzma_filter *)&filters); + + if (lzma->method == MZ_COMPRESS_METHOD_LZMA) { + mz_stream_write_uint8(lzma->stream.base, LZMA_VERSION_MAJOR); + mz_stream_write_uint8(lzma->stream.base, LZMA_VERSION_MINOR); + mz_stream_write_uint16(lzma->stream.base, (uint16_t)size); + + lzma->header = 1; + lzma->total_out += MZ_LZMA_MAGIC_SIZE; + + lzma->error = lzma_alone_encoder(&lzma->lstream, &opt_lzma); + } else if (lzma->method == MZ_COMPRESS_METHOD_XZ) + lzma->error = lzma_stream_encoder(&lzma->lstream, filters, LZMA_CHECK_CRC64); +#endif + } else if (mode & MZ_OPEN_MODE_READ) { +#ifdef MZ_ZIP_NO_DECOMPRESSION + MZ_UNUSED(filters); + MZ_UNUSED(major); + MZ_UNUSED(minor); + return MZ_SUPPORT_ERROR; +#else + lzma->lstream.next_in = lzma->buffer; + lzma->lstream.avail_in = 0; + + if (lzma->method == MZ_COMPRESS_METHOD_LZMA) { + mz_stream_read_uint8(lzma->stream.base, &major); + mz_stream_read_uint8(lzma->stream.base, &minor); + mz_stream_read_uint16(lzma->stream.base, (uint16_t *)&size); + + lzma->header = 1; + lzma->total_in += MZ_LZMA_MAGIC_SIZE; + + lzma->error = lzma_alone_decoder(&lzma->lstream, UINT64_MAX); + } else if (lzma->method == MZ_COMPRESS_METHOD_XZ) + lzma->error = lzma_stream_decoder(&lzma->lstream, UINT64_MAX, 0); +#endif + } + + if (lzma->error != LZMA_OK) + return MZ_OPEN_ERROR; + + lzma->initialized = 1; + lzma->mode = mode; + return MZ_OK; +} + +int32_t mz_stream_lzma_is_open(void *stream) { + mz_stream_lzma *lzma = (mz_stream_lzma *)stream; + if (lzma->initialized != 1) + return MZ_OPEN_ERROR; + return MZ_OK; +} + +int32_t mz_stream_lzma_read(void *stream, void *buf, int32_t size) { +#ifdef MZ_ZIP_NO_DECOMPRESSION + MZ_UNUSED(stream); + MZ_UNUSED(buf); + MZ_UNUSED(size); + return MZ_SUPPORT_ERROR; +#else + mz_stream_lzma *lzma = (mz_stream_lzma *)stream; + uint64_t total_in_before = 0; + uint64_t total_out_before = 0; + uint64_t total_in_after = 0; + uint64_t total_out_after = 0; + int32_t total_in = 0; + int32_t total_out = 0; + int32_t in_bytes = 0; + int32_t out_bytes = 0; + int32_t bytes_to_read = sizeof(lzma->buffer); + int32_t read = 0; + int32_t err = LZMA_OK; + + + lzma->lstream.next_out = (uint8_t*)buf; + lzma->lstream.avail_out = (size_t)size; + + do { + if (lzma->lstream.avail_in == 0) { + if (lzma->max_total_in > 0) { + if ((int64_t)bytes_to_read > (lzma->max_total_in - lzma->total_in)) + bytes_to_read = (int32_t)(lzma->max_total_in - lzma->total_in); + } + + if (lzma->header) { + bytes_to_read = MZ_LZMA_ZIP_HEADER_SIZE - lzma->header_size; + } + + read = mz_stream_read(lzma->stream.base, lzma->buffer, bytes_to_read); + + if (read < 0) + return read; + + /* Write uncompressed size for lzma alone header not in zip format */ + if (lzma->header) { + lzma->header_size += read; + + if (lzma->header_size == MZ_LZMA_ZIP_HEADER_SIZE) { + uint64_t uncompressed_size = UINT64_MAX; + + memcpy(lzma->buffer + MZ_LZMA_ZIP_HEADER_SIZE, &uncompressed_size, sizeof(uncompressed_size)); + + read += sizeof(uncompressed_size); + bytes_to_read = sizeof(lzma->buffer); + + lzma->total_in -= sizeof(uncompressed_size); + lzma->header = 0; + } + } + + lzma->lstream.next_in = lzma->buffer; + lzma->lstream.avail_in = (size_t)read; + } + + total_in_before = lzma->lstream.avail_in; + total_out_before = lzma->lstream.total_out; + + err = lzma_code(&lzma->lstream, LZMA_RUN); + + total_in_after = lzma->lstream.avail_in; + total_out_after = lzma->lstream.total_out; + if ((lzma->max_total_out != -1) && (int64_t)total_out_after > lzma->max_total_out) + total_out_after = (uint64_t)lzma->max_total_out; + + in_bytes = (int32_t)(total_in_before - total_in_after); + out_bytes = (int32_t)(total_out_after - total_out_before); + + total_in += in_bytes; + total_out += out_bytes; + + lzma->total_in += in_bytes; + lzma->total_out += out_bytes; + + if (err == LZMA_STREAM_END) + break; + if (err != LZMA_OK) { + lzma->error = err; + break; + } + } while (lzma->lstream.avail_out > 0); + + if (lzma->error != 0) + return MZ_DATA_ERROR; + + return total_out; +#endif +} + +#ifndef MZ_ZIP_NO_COMPRESSION +static int32_t mz_stream_lzma_flush(void *stream) { + mz_stream_lzma *lzma = (mz_stream_lzma *)stream; + int32_t buffer_len = lzma->buffer_len; + uint8_t *buffer = lzma->buffer; + + /* Skip writing lzma_alone header uncompressed size for zip format */ + if (lzma->header) { + uint64_t uncompressed_size = 0; + + if (lzma->buffer_len < MZ_LZMA_ALONE_HEADER_SIZE) + return MZ_OK; + + if (mz_stream_write(lzma->stream.base, buffer, MZ_LZMA_ZIP_HEADER_SIZE) != MZ_LZMA_ZIP_HEADER_SIZE) + return MZ_WRITE_ERROR; + + buffer += MZ_LZMA_ALONE_HEADER_SIZE; + buffer_len -= MZ_LZMA_ALONE_HEADER_SIZE; + + lzma->buffer_len -= sizeof(uncompressed_size); + lzma->total_out -= sizeof(uncompressed_size); + lzma->header = 0; + } + + if (mz_stream_write(lzma->stream.base, buffer, buffer_len) != buffer_len) + return MZ_WRITE_ERROR; + + return MZ_OK; +} + +static int32_t mz_stream_lzma_code(void *stream, int32_t flush) { + mz_stream_lzma *lzma = (mz_stream_lzma *)stream; + uint64_t total_out_before = 0; + uint64_t total_out_after = 0; + uint32_t out_bytes = 0; + int32_t err = LZMA_OK; + + + do { + if (lzma->lstream.avail_out == 0) { + err = mz_stream_lzma_flush(lzma); + if (err != MZ_OK) + return err; + + lzma->lstream.avail_out = sizeof(lzma->buffer); + lzma->lstream.next_out = lzma->buffer; + + lzma->buffer_len = 0; + } + + total_out_before = lzma->lstream.total_out; + err = lzma_code(&lzma->lstream, (lzma_action)flush); + total_out_after = lzma->lstream.total_out; + + out_bytes = (uint32_t)(total_out_after - total_out_before); + + if (err != LZMA_OK && err != LZMA_STREAM_END) { + lzma->error = err; + return MZ_DATA_ERROR; + } + + lzma->buffer_len += out_bytes; + lzma->total_out += out_bytes; + } while ((lzma->lstream.avail_in > 0) || (flush == LZMA_FINISH && err == LZMA_OK)); + + return MZ_OK; +} +#endif + +int32_t mz_stream_lzma_write(void *stream, const void *buf, int32_t size) { +#ifdef MZ_ZIP_NO_COMPRESSION + MZ_UNUSED(stream); + MZ_UNUSED(buf); + MZ_UNUSED(size); + return MZ_SUPPORT_ERROR; +#else + mz_stream_lzma *lzma = (mz_stream_lzma *)stream; + int32_t err = MZ_OK; + + lzma->lstream.next_in = (uint8_t*)(intptr_t)buf; + lzma->lstream.avail_in = (size_t)size; + + err = mz_stream_lzma_code(stream, LZMA_RUN); + if (err != MZ_OK) { + return err; + } + + lzma->total_in += size; + return size; +#endif +} + +int64_t mz_stream_lzma_tell(void *stream) { + MZ_UNUSED(stream); + + return MZ_TELL_ERROR; +} + +int32_t mz_stream_lzma_seek(void *stream, int64_t offset, int32_t origin) { + MZ_UNUSED(stream); + MZ_UNUSED(offset); + MZ_UNUSED(origin); + + return MZ_SEEK_ERROR; +} + +int32_t mz_stream_lzma_close(void *stream) { + mz_stream_lzma *lzma = (mz_stream_lzma *)stream; + + if (lzma->mode & MZ_OPEN_MODE_WRITE) { +#ifdef MZ_ZIP_NO_COMPRESSION + return MZ_SUPPORT_ERROR; +#else + mz_stream_lzma_code(stream, LZMA_FINISH); + mz_stream_lzma_flush(stream); + + lzma_end(&lzma->lstream); +#endif + } else if (lzma->mode & MZ_OPEN_MODE_READ) { +#ifdef MZ_ZIP_NO_DECOMPRESSION + return MZ_SUPPORT_ERROR; +#else + lzma_end(&lzma->lstream); +#endif + } + + lzma->initialized = 0; + + if (lzma->error != LZMA_OK) + return MZ_CLOSE_ERROR; + return MZ_OK; +} + +int32_t mz_stream_lzma_error(void *stream) { + mz_stream_lzma *lzma = (mz_stream_lzma *)stream; + return lzma->error; +} + +int32_t mz_stream_lzma_get_prop_int64(void *stream, int32_t prop, int64_t *value) { + mz_stream_lzma *lzma = (mz_stream_lzma *)stream; + switch (prop) { + case MZ_STREAM_PROP_TOTAL_IN: + *value = lzma->total_in; + break; + case MZ_STREAM_PROP_TOTAL_IN_MAX: + *value = lzma->max_total_in; + break; + case MZ_STREAM_PROP_TOTAL_OUT: + *value = lzma->total_out; + break; + case MZ_STREAM_PROP_TOTAL_OUT_MAX: + *value = lzma->max_total_out; + break; + case MZ_STREAM_PROP_HEADER_SIZE: + *value = MZ_LZMA_MAGIC_SIZE; + break; + default: + return MZ_EXIST_ERROR; + } + return MZ_OK; +} + +int32_t mz_stream_lzma_set_prop_int64(void *stream, int32_t prop, int64_t value) { + mz_stream_lzma *lzma = (mz_stream_lzma *)stream; + switch (prop) { + case MZ_STREAM_PROP_COMPRESS_LEVEL: + if (value >= 9) + lzma->preset = LZMA_PRESET_EXTREME; + else + lzma->preset = LZMA_PRESET_DEFAULT; + break; + case MZ_STREAM_PROP_COMPRESS_METHOD: + lzma->method = (int16_t)value; + break; + case MZ_STREAM_PROP_TOTAL_IN_MAX: + lzma->max_total_in = value; + break; + case MZ_STREAM_PROP_TOTAL_OUT_MAX: + if (value < -1) + return MZ_PARAM_ERROR; + lzma->max_total_out = value; + break; + default: + return MZ_EXIST_ERROR; + } + return MZ_OK; +} + +void *mz_stream_lzma_create(void **stream) { + mz_stream_lzma *lzma = NULL; + + lzma = (mz_stream_lzma *)MZ_ALLOC(sizeof(mz_stream_lzma)); + if (lzma != NULL) { + memset(lzma, 0, sizeof(mz_stream_lzma)); + lzma->stream.vtbl = &mz_stream_lzma_vtbl; + lzma->method = MZ_COMPRESS_METHOD_LZMA; + lzma->preset = LZMA_PRESET_DEFAULT; + lzma->max_total_out = -1; + } + if (stream != NULL) + *stream = lzma; + + return lzma; +} + +void mz_stream_lzma_delete(void **stream) { + mz_stream_lzma *lzma = NULL; + if (stream == NULL) + return; + lzma = (mz_stream_lzma *)*stream; + if (lzma != NULL) + MZ_FREE(lzma); + *stream = NULL; +} + +void *mz_stream_lzma_get_interface(void) { + return (void *)&mz_stream_lzma_vtbl; +} diff --git a/Externals/minizip/mz_strm_lzma.h b/Externals/minizip/mz_strm_lzma.h new file mode 100644 index 0000000000..f447baa65c --- /dev/null +++ b/Externals/minizip/mz_strm_lzma.h @@ -0,0 +1,43 @@ +/* mz_strm_lzma.h -- Stream for lzma inflate/deflate + part of the minizip-ng project + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + + This program is distributed under the terms of the same license as lzma. + See the accompanying LICENSE file for the full text of the license. +*/ + +#ifndef MZ_STREAM_LZMA_H +#define MZ_STREAM_LZMA_H + +#ifdef __cplusplus +extern "C" { +#endif + +/***************************************************************************/ + +int32_t mz_stream_lzma_open(void *stream, const char *filename, int32_t mode); +int32_t mz_stream_lzma_is_open(void *stream); +int32_t mz_stream_lzma_read(void *stream, void *buf, int32_t size); +int32_t mz_stream_lzma_write(void *stream, const void *buf, int32_t size); +int64_t mz_stream_lzma_tell(void *stream); +int32_t mz_stream_lzma_seek(void *stream, int64_t offset, int32_t origin); +int32_t mz_stream_lzma_close(void *stream); +int32_t mz_stream_lzma_error(void *stream); + +int32_t mz_stream_lzma_get_prop_int64(void *stream, int32_t prop, int64_t *value); +int32_t mz_stream_lzma_set_prop_int64(void *stream, int32_t prop, int64_t value); + +void* mz_stream_lzma_create(void **stream); +void mz_stream_lzma_delete(void **stream); + +void* mz_stream_lzma_get_interface(void); + +/***************************************************************************/ + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/Externals/minizip/mz_strm_mem.c b/Externals/minizip/mz_strm_mem.c new file mode 100644 index 0000000000..f4a882d928 --- /dev/null +++ b/Externals/minizip/mz_strm_mem.c @@ -0,0 +1,272 @@ +/* mz_strm_mem.c -- Stream for memory access + part of the minizip-ng project + + This interface is designed to access memory rather than files. + We do use a region of memory to put data in to and take it out of. + + Based on Unzip ioapi.c version 0.22, May 19th, 2003 + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + Copyright (C) 2003 Justin Fletcher + Copyright (C) 1998-2003 Gilles Vollant + https://www.winimage.com/zLibDll/minizip.html + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. +*/ + + +#include "mz.h" +#include "mz_strm.h" +#include "mz_strm_mem.h" + +/***************************************************************************/ + +static mz_stream_vtbl mz_stream_mem_vtbl = { + mz_stream_mem_open, + mz_stream_mem_is_open, + mz_stream_mem_read, + mz_stream_mem_write, + mz_stream_mem_tell, + mz_stream_mem_seek, + mz_stream_mem_close, + mz_stream_mem_error, + mz_stream_mem_create, + mz_stream_mem_delete, + NULL, + NULL +}; + +/***************************************************************************/ + +typedef struct mz_stream_mem_s { + mz_stream stream; + int32_t mode; + uint8_t *buffer; /* Memory buffer pointer */ + int32_t size; /* Size of the memory buffer */ + int32_t limit; /* Furthest we've written */ + int32_t position; /* Current position in the memory */ + int32_t grow_size; /* Size to grow when full */ +} mz_stream_mem; + +/***************************************************************************/ + +static int32_t mz_stream_mem_set_size(void *stream, int32_t size) { + mz_stream_mem *mem = (mz_stream_mem *)stream; + int32_t new_size = size; + uint8_t *new_buf = NULL; + + + new_buf = (uint8_t *)MZ_ALLOC((uint32_t)new_size); + if (new_buf == NULL) + return MZ_BUF_ERROR; + + if (mem->buffer) { + memcpy(new_buf, mem->buffer, mem->size); + MZ_FREE(mem->buffer); + } + + mem->buffer = new_buf; + mem->size = new_size; + return MZ_OK; +} + +int32_t mz_stream_mem_open(void *stream, const char *path, int32_t mode) { + mz_stream_mem *mem = (mz_stream_mem *)stream; + int32_t err = MZ_OK; + + MZ_UNUSED(path); + + mem->mode = mode; + mem->limit = 0; + mem->position = 0; + + if (mem->mode & MZ_OPEN_MODE_CREATE) + err = mz_stream_mem_set_size(stream, mem->grow_size); + else + mem->limit = mem->size; + + return err; +} + +int32_t mz_stream_mem_is_open(void *stream) { + mz_stream_mem *mem = (mz_stream_mem *)stream; + if (mem->buffer == NULL) + return MZ_OPEN_ERROR; + return MZ_OK; +} + +int32_t mz_stream_mem_read(void *stream, void *buf, int32_t size) { + mz_stream_mem *mem = (mz_stream_mem *)stream; + + if (size > mem->size - mem->position) + size = mem->size - mem->position; + if (mem->position + size > mem->limit) + size = mem->limit - mem->position; + + if (size <= 0) + return 0; + + memcpy(buf, mem->buffer + mem->position, size); + mem->position += size; + + return size; +} + +int32_t mz_stream_mem_write(void *stream, const void *buf, int32_t size) { + mz_stream_mem *mem = (mz_stream_mem *)stream; + int32_t new_size = 0; + int32_t err = MZ_OK; + + if (size == 0) + return size; + + if (size > mem->size - mem->position) { + if (mem->mode & MZ_OPEN_MODE_CREATE) { + new_size = mem->size; + if (size < mem->grow_size) + new_size += mem->grow_size; + else + new_size += size; + + err = mz_stream_mem_set_size(stream, new_size); + if (err != MZ_OK) + return err; + } else { + size = mem->size - mem->position; + } + } + + memcpy(mem->buffer + mem->position, buf, size); + + mem->position += size; + if (mem->position > mem->limit) + mem->limit = mem->position; + + return size; +} + +int64_t mz_stream_mem_tell(void *stream) { + mz_stream_mem *mem = (mz_stream_mem *)stream; + return mem->position; +} + +int32_t mz_stream_mem_seek(void *stream, int64_t offset, int32_t origin) { + mz_stream_mem *mem = (mz_stream_mem *)stream; + int64_t new_pos = 0; + int32_t err = MZ_OK; + + switch (origin) { + case MZ_SEEK_CUR: + new_pos = mem->position + offset; + break; + case MZ_SEEK_END: + new_pos = mem->limit + offset; + break; + case MZ_SEEK_SET: + new_pos = offset; + break; + default: + return MZ_SEEK_ERROR; + } + + if (new_pos > mem->size) { + if ((mem->mode & MZ_OPEN_MODE_CREATE) == 0) + return MZ_SEEK_ERROR; + + err = mz_stream_mem_set_size(stream, (int32_t)new_pos); + if (err != MZ_OK) + return err; + } else if (new_pos < 0) { + return MZ_SEEK_ERROR; + } + + mem->position = (int32_t)new_pos; + return MZ_OK; +} + +int32_t mz_stream_mem_close(void *stream) { + MZ_UNUSED(stream); + + /* We never return errors */ + return MZ_OK; +} + +int32_t mz_stream_mem_error(void *stream) { + MZ_UNUSED(stream); + + /* We never return errors */ + return MZ_OK; +} + +void mz_stream_mem_set_buffer(void *stream, void *buf, int32_t size) { + mz_stream_mem *mem = (mz_stream_mem *)stream; + mem->buffer = (uint8_t *)buf; + mem->size = size; + mem->limit = size; +} + +int32_t mz_stream_mem_get_buffer(void *stream, const void **buf) { + return mz_stream_mem_get_buffer_at(stream, 0, buf); +} + +int32_t mz_stream_mem_get_buffer_at(void *stream, int64_t position, const void **buf) { + mz_stream_mem *mem = (mz_stream_mem *)stream; + if (buf == NULL || position < 0 || mem->size < position || mem->buffer == NULL) + return MZ_SEEK_ERROR; + *buf = mem->buffer + position; + return MZ_OK; +} + +int32_t mz_stream_mem_get_buffer_at_current(void *stream, const void **buf) { + mz_stream_mem *mem = (mz_stream_mem *)stream; + return mz_stream_mem_get_buffer_at(stream, mem->position, buf); +} + +void mz_stream_mem_get_buffer_length(void *stream, int32_t *length) { + mz_stream_mem *mem = (mz_stream_mem *)stream; + *length = mem->limit; +} + +void mz_stream_mem_set_buffer_limit(void *stream, int32_t limit) { + mz_stream_mem *mem = (mz_stream_mem *)stream; + mem->limit = limit; +} + +void mz_stream_mem_set_grow_size(void *stream, int32_t grow_size) { + mz_stream_mem *mem = (mz_stream_mem *)stream; + mem->grow_size = grow_size; +} + +void *mz_stream_mem_create(void **stream) { + mz_stream_mem *mem = NULL; + + mem = (mz_stream_mem *)MZ_ALLOC(sizeof(mz_stream_mem)); + if (mem != NULL) { + memset(mem, 0, sizeof(mz_stream_mem)); + mem->stream.vtbl = &mz_stream_mem_vtbl; + mem->grow_size = 4096; + } + if (stream != NULL) + *stream = mem; + + return mem; +} + +void mz_stream_mem_delete(void **stream) { + mz_stream_mem *mem = NULL; + if (stream == NULL) + return; + mem = (mz_stream_mem *)*stream; + if (mem != NULL) { + if ((mem->mode & MZ_OPEN_MODE_CREATE) && (mem->buffer != NULL)) + MZ_FREE(mem->buffer); + MZ_FREE(mem); + } + *stream = NULL; +} + +void *mz_stream_mem_get_interface(void) { + return (void *)&mz_stream_mem_vtbl; +} diff --git a/Externals/minizip/mz_strm_mem.h b/Externals/minizip/mz_strm_mem.h new file mode 100644 index 0000000000..5bfa13d8a6 --- /dev/null +++ b/Externals/minizip/mz_strm_mem.h @@ -0,0 +1,48 @@ +/* mz_strm_mem.h -- Stream for memory access + part of the minizip-ng project + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. +*/ + +#ifndef MZ_STREAM_MEM_H +#define MZ_STREAM_MEM_H + +#ifdef __cplusplus +extern "C" { +#endif + +/***************************************************************************/ + +int32_t mz_stream_mem_open(void *stream, const char *filename, int32_t mode); +int32_t mz_stream_mem_is_open(void *stream); +int32_t mz_stream_mem_read(void *stream, void *buf, int32_t size); +int32_t mz_stream_mem_write(void *stream, const void *buf, int32_t size); +int64_t mz_stream_mem_tell(void *stream); +int32_t mz_stream_mem_seek(void *stream, int64_t offset, int32_t origin); +int32_t mz_stream_mem_close(void *stream); +int32_t mz_stream_mem_error(void *stream); + +void mz_stream_mem_set_buffer(void *stream, void *buf, int32_t size); +int32_t mz_stream_mem_get_buffer(void *stream, const void **buf); +int32_t mz_stream_mem_get_buffer_at(void *stream, int64_t position, const void **buf); +int32_t mz_stream_mem_get_buffer_at_current(void *stream, const void **buf); +void mz_stream_mem_get_buffer_length(void *stream, int32_t *length); +void mz_stream_mem_set_buffer_limit(void *stream, int32_t limit); +void mz_stream_mem_set_grow_size(void *stream, int32_t grow_size); + +void* mz_stream_mem_create(void **stream); +void mz_stream_mem_delete(void **stream); + +void* mz_stream_mem_get_interface(void); + +/***************************************************************************/ + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/Externals/minizip/mz_strm_os.h b/Externals/minizip/mz_strm_os.h new file mode 100644 index 0000000000..614e255207 --- /dev/null +++ b/Externals/minizip/mz_strm_os.h @@ -0,0 +1,40 @@ +/* mz_sstrm_os.h -- Stream for filesystem access + part of the minizip-ng project + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. +*/ + +#ifndef MZ_STREAM_OS_H +#define MZ_STREAM_OS_H + +#ifdef __cplusplus +extern "C" { +#endif + +/***************************************************************************/ + +int32_t mz_stream_os_open(void *stream, const char *path, int32_t mode); +int32_t mz_stream_os_is_open(void *stream); +int32_t mz_stream_os_read(void *stream, void *buf, int32_t size); +int32_t mz_stream_os_write(void *stream, const void *buf, int32_t size); +int64_t mz_stream_os_tell(void *stream); +int32_t mz_stream_os_seek(void *stream, int64_t offset, int32_t origin); +int32_t mz_stream_os_close(void *stream); +int32_t mz_stream_os_error(void *stream); + +void* mz_stream_os_create(void **stream); +void mz_stream_os_delete(void **stream); + +void* mz_stream_os_get_interface(void); + +/***************************************************************************/ + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/Externals/minizip/mz_strm_os_posix.c b/Externals/minizip/mz_strm_os_posix.c new file mode 100644 index 0000000000..f0b5bd3351 --- /dev/null +++ b/Externals/minizip/mz_strm_os_posix.c @@ -0,0 +1,206 @@ +/* mz_strm_posix.c -- Stream for filesystem access for posix/linux + part of the minizip-ng project + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + Modifications for Zip64 support + Copyright (C) 2009-2010 Mathias Svensson + http://result42.com + Copyright (C) 1998-2010 Gilles Vollant + https://www.winimage.com/zLibDll/minizip.html + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. +*/ + + +#include "mz.h" +#include "mz_strm.h" +#include "mz_strm_os.h" + +#include <stdio.h> /* fopen, fread.. */ +#include <errno.h> + +/***************************************************************************/ + +#define fopen64 fopen +#ifndef MZ_FILE32_API +# ifndef NO_FSEEKO +# define ftello64 ftello +# define fseeko64 fseeko +# elif defined(_MSC_VER) && (_MSC_VER >= 1400) +# define ftello64 _ftelli64 +# define fseeko64 _fseeki64 +# endif +#endif +#ifndef ftello64 +# define ftello64 ftell +#endif +#ifndef fseeko64 +# define fseeko64 fseek +#endif + +/***************************************************************************/ + +static mz_stream_vtbl mz_stream_os_vtbl = { + mz_stream_os_open, + mz_stream_os_is_open, + mz_stream_os_read, + mz_stream_os_write, + mz_stream_os_tell, + mz_stream_os_seek, + mz_stream_os_close, + mz_stream_os_error, + mz_stream_os_create, + mz_stream_os_delete, + NULL, + NULL +}; + +/***************************************************************************/ + +typedef struct mz_stream_posix_s { + mz_stream stream; + int32_t error; + FILE *handle; +} mz_stream_posix; + +/***************************************************************************/ + +int32_t mz_stream_os_open(void *stream, const char *path, int32_t mode) { + mz_stream_posix *posix = (mz_stream_posix *)stream; + const char *mode_fopen = NULL; + + if (path == NULL) + return MZ_PARAM_ERROR; + + if ((mode & MZ_OPEN_MODE_READWRITE) == MZ_OPEN_MODE_READ) + mode_fopen = "rb"; + else if (mode & MZ_OPEN_MODE_APPEND) + mode_fopen = "r+b"; + else if (mode & MZ_OPEN_MODE_CREATE) + mode_fopen = "wb"; + else + return MZ_OPEN_ERROR; + + posix->handle = fopen64(path, mode_fopen); + if (posix->handle == NULL) { + posix->error = errno; + return MZ_OPEN_ERROR; + } + + if (mode & MZ_OPEN_MODE_APPEND) + return mz_stream_os_seek(stream, 0, MZ_SEEK_END); + + return MZ_OK; +} + +int32_t mz_stream_os_is_open(void *stream) { + mz_stream_posix *posix = (mz_stream_posix*)stream; + if (posix->handle == NULL) + return MZ_OPEN_ERROR; + return MZ_OK; +} + +int32_t mz_stream_os_read(void *stream, void *buf, int32_t size) { + mz_stream_posix *posix = (mz_stream_posix*)stream; + int32_t read = (int32_t)fread(buf, 1, (size_t)size, posix->handle); + if (read < size && ferror(posix->handle)) { + posix->error = errno; + return MZ_READ_ERROR; + } + return read; +} + +int32_t mz_stream_os_write(void *stream, const void *buf, int32_t size) { + mz_stream_posix *posix = (mz_stream_posix*)stream; + int32_t written = (int32_t)fwrite(buf, 1, (size_t)size, posix->handle); + if (written < size && ferror(posix->handle)) { + posix->error = errno; + return MZ_WRITE_ERROR; + } + return written; +} + +int64_t mz_stream_os_tell(void *stream) { + mz_stream_posix *posix = (mz_stream_posix*)stream; + int64_t position = ftello64(posix->handle); + if (position == -1) { + posix->error = errno; + return MZ_TELL_ERROR; + } + return position; +} + +int32_t mz_stream_os_seek(void *stream, int64_t offset, int32_t origin) { + mz_stream_posix *posix = (mz_stream_posix*)stream; + int32_t fseek_origin = 0; + + switch (origin) { + case MZ_SEEK_CUR: + fseek_origin = SEEK_CUR; + break; + case MZ_SEEK_END: + fseek_origin = SEEK_END; + break; + case MZ_SEEK_SET: + fseek_origin = SEEK_SET; + break; + default: + return MZ_SEEK_ERROR; + } + + if (fseeko64(posix->handle, offset, fseek_origin) != 0) { + posix->error = errno; + return MZ_SEEK_ERROR; + } + + return MZ_OK; +} + +int32_t mz_stream_os_close(void *stream) { + mz_stream_posix *posix = (mz_stream_posix*)stream; + int32_t closed = 0; + if (posix->handle != NULL) { + closed = fclose(posix->handle); + posix->handle = NULL; + } + if (closed != 0) { + posix->error = errno; + return MZ_CLOSE_ERROR; + } + return MZ_OK; +} + +int32_t mz_stream_os_error(void *stream) { + mz_stream_posix *posix = (mz_stream_posix*)stream; + return posix->error; +} + +void *mz_stream_os_create(void **stream) { + mz_stream_posix *posix = NULL; + + posix = (mz_stream_posix *)MZ_ALLOC(sizeof(mz_stream_posix)); + if (posix != NULL) { + memset(posix, 0, sizeof(mz_stream_posix)); + posix->stream.vtbl = &mz_stream_os_vtbl; + } + if (stream != NULL) + *stream = posix; + + return posix; +} + +void mz_stream_os_delete(void **stream) { + mz_stream_posix *posix = NULL; + if (stream == NULL) + return; + posix = (mz_stream_posix *)*stream; + if (posix != NULL) + MZ_FREE(posix); + *stream = NULL; +} + +void *mz_stream_os_get_interface(void) { + return (void *)&mz_stream_os_vtbl; +} diff --git a/Externals/minizip/mz_strm_os_win32.c b/Externals/minizip/mz_strm_os_win32.c new file mode 100644 index 0000000000..893df54183 --- /dev/null +++ b/Externals/minizip/mz_strm_os_win32.c @@ -0,0 +1,296 @@ +/* mz_strm_win32.c -- Stream for filesystem access for windows + part of the minizip-ng project + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + Copyright (C) 2009-2010 Mathias Svensson + Modifications for Zip64 support + http://result42.com + Copyright (C) 1998-2010 Gilles Vollant + https://www.winimage.com/zLibDll/minizip.html + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. +*/ + + +#include "mz.h" +#include "mz_os.h" +#include "mz_strm.h" +#include "mz_strm_os.h" + +#include <windows.h> + +/***************************************************************************/ + +#ifndef INVALID_HANDLE_VALUE +# define INVALID_HANDLE_VALUE (0xFFFFFFFF) +#endif + +#ifndef INVALID_SET_FILE_POINTER +# define INVALID_SET_FILE_POINTER ((DWORD)-1) +#endif + +#if defined(WINAPI_FAMILY_ONE_PARTITION) && !defined(MZ_WINRT_API) +# if WINAPI_FAMILY_ONE_PARTITION(WINAPI_FAMILY, WINAPI_PARTITION_APP) +# define MZ_WINRT_API 1 +# endif +#endif + +/***************************************************************************/ + +static mz_stream_vtbl mz_stream_os_vtbl = { + mz_stream_os_open, + mz_stream_os_is_open, + mz_stream_os_read, + mz_stream_os_write, + mz_stream_os_tell, + mz_stream_os_seek, + mz_stream_os_close, + mz_stream_os_error, + mz_stream_os_create, + mz_stream_os_delete, + NULL, + NULL +}; + +/***************************************************************************/ + +typedef struct mz_stream_win32_s { + mz_stream stream; + HANDLE handle; + int32_t error; +} mz_stream_win32; + +/***************************************************************************/ + +#if 0 +# define mz_stream_os_print printf +#else +# define mz_stream_os_print(fmt,...) +#endif + +/***************************************************************************/ + +int32_t mz_stream_os_open(void *stream, const char *path, int32_t mode) { + mz_stream_win32 *win32 = (mz_stream_win32 *)stream; + uint32_t desired_access = 0; + uint32_t creation_disposition = 0; + uint32_t share_mode = FILE_SHARE_READ; + uint32_t flags_attribs = FILE_ATTRIBUTE_NORMAL; + wchar_t *path_wide = NULL; + + + if (path == NULL) + return MZ_PARAM_ERROR; + + /* Some use cases require write sharing as well */ + share_mode |= FILE_SHARE_WRITE; + + if ((mode & MZ_OPEN_MODE_READWRITE) == MZ_OPEN_MODE_READ) { + desired_access = GENERIC_READ; + creation_disposition = OPEN_EXISTING; + } else if (mode & MZ_OPEN_MODE_APPEND) { + desired_access = GENERIC_WRITE | GENERIC_READ; + creation_disposition = OPEN_EXISTING; + } else if (mode & MZ_OPEN_MODE_CREATE) { + desired_access = GENERIC_WRITE | GENERIC_READ; + creation_disposition = CREATE_ALWAYS; + } else { + return MZ_PARAM_ERROR; + } + + mz_stream_os_print("Win32 - Open - %s (mode %" PRId32 ")\n", path); + + path_wide = mz_os_unicode_string_create(path, MZ_ENCODING_UTF8); + if (path_wide == NULL) + return MZ_PARAM_ERROR; + +#ifdef MZ_WINRT_API + win32->handle = CreateFile2(path_wide, desired_access, share_mode, + creation_disposition, NULL); +#else + win32->handle = CreateFileW(path_wide, desired_access, share_mode, NULL, + creation_disposition, flags_attribs, NULL); +#endif + + mz_os_unicode_string_delete(&path_wide); + + if (mz_stream_os_is_open(stream) != MZ_OK) { + win32->error = GetLastError(); + return MZ_OPEN_ERROR; + } + + if (mode & MZ_OPEN_MODE_APPEND) + return mz_stream_os_seek(stream, 0, MZ_SEEK_END); + + return MZ_OK; +} + +int32_t mz_stream_os_is_open(void *stream) { + mz_stream_win32 *win32 = (mz_stream_win32 *)stream; + if (win32->handle == NULL || win32->handle == INVALID_HANDLE_VALUE) + return MZ_OPEN_ERROR; + return MZ_OK; +} + +int32_t mz_stream_os_read(void *stream, void *buf, int32_t size) { + mz_stream_win32 *win32 = (mz_stream_win32 *)stream; + uint32_t read = 0; + + if (mz_stream_os_is_open(stream) != MZ_OK) + return MZ_OPEN_ERROR; + + if (!ReadFile(win32->handle, buf, size, (DWORD *)&read, NULL)) { + win32->error = GetLastError(); + if (win32->error == ERROR_HANDLE_EOF) + win32->error = 0; + } + + mz_stream_os_print("Win32 - Read - %" PRId32 "\n", read); + + return read; +} + +int32_t mz_stream_os_write(void *stream, const void *buf, int32_t size) { + mz_stream_win32 *win32 = (mz_stream_win32 *)stream; + int32_t written = 0; + + if (mz_stream_os_is_open(stream) != MZ_OK) + return MZ_OPEN_ERROR; + + if (!WriteFile(win32->handle, buf, size, (DWORD *)&written, NULL)) { + win32->error = GetLastError(); + if (win32->error == ERROR_HANDLE_EOF) + win32->error = 0; + } + + mz_stream_os_print("Win32 - Write - %" PRId32 "\n", written); + + return written; +} + +static int32_t mz_stream_os_seekinternal(HANDLE handle, LARGE_INTEGER large_pos, + LARGE_INTEGER *new_pos, uint32_t move_method) { +#ifdef MZ_WINRT_API + BOOL success = FALSE; + success = SetFilePointerEx(handle, large_pos, new_pos, move_method); + if ((success == FALSE) && (GetLastError() != NO_ERROR)) + return MZ_SEEK_ERROR; + + return MZ_OK; +#else + LONG high_part = 0; + uint32_t pos = 0; + + high_part = large_pos.HighPart; + pos = SetFilePointer(handle, large_pos.LowPart, &high_part, move_method); + + if ((pos == INVALID_SET_FILE_POINTER) && (GetLastError() != NO_ERROR)) + return MZ_SEEK_ERROR; + + if (new_pos != NULL) { + new_pos->LowPart = pos; + new_pos->HighPart = high_part; + } + + return MZ_OK; +#endif +} + +int64_t mz_stream_os_tell(void *stream) { + mz_stream_win32 *win32 = (mz_stream_win32 *)stream; + LARGE_INTEGER large_pos; + + if (mz_stream_os_is_open(stream) != MZ_OK) + return MZ_OPEN_ERROR; + + large_pos.QuadPart = 0; + + if (mz_stream_os_seekinternal(win32->handle, large_pos, &large_pos, FILE_CURRENT) != MZ_OK) + win32->error = GetLastError(); + + mz_stream_os_print("Win32 - Tell - %" PRId64 "\n", large_pos.QuadPart); + + return large_pos.QuadPart; +} + +int32_t mz_stream_os_seek(void *stream, int64_t offset, int32_t origin) { + mz_stream_win32 *win32 = (mz_stream_win32 *)stream; + uint32_t move_method = 0xFFFFFFFF; + int32_t err = MZ_OK; + LARGE_INTEGER large_pos; + + + if (mz_stream_os_is_open(stream) != MZ_OK) + return MZ_OPEN_ERROR; + + switch (origin) { + case MZ_SEEK_CUR: + move_method = FILE_CURRENT; + break; + case MZ_SEEK_END: + move_method = FILE_END; + break; + case MZ_SEEK_SET: + move_method = FILE_BEGIN; + break; + default: + return MZ_SEEK_ERROR; + } + + mz_stream_os_print("Win32 - Seek - %" PRId64 " (origin %" PRId32 ")\n", offset, origin); + + large_pos.QuadPart = offset; + + err = mz_stream_os_seekinternal(win32->handle, large_pos, NULL, move_method); + if (err != MZ_OK) { + win32->error = GetLastError(); + return err; + } + + return MZ_OK; +} + +int32_t mz_stream_os_close(void *stream) { + mz_stream_win32 *win32 = (mz_stream_win32 *)stream; + + if (win32->handle != NULL) + CloseHandle(win32->handle); + mz_stream_os_print("Win32 - Close\n"); + win32->handle = NULL; + return MZ_OK; +} + +int32_t mz_stream_os_error(void *stream) { + mz_stream_win32 *win32 = (mz_stream_win32 *)stream; + return win32->error; +} + +void *mz_stream_os_create(void **stream) { + mz_stream_win32 *win32 = NULL; + + win32 = (mz_stream_win32 *)MZ_ALLOC(sizeof(mz_stream_win32)); + if (win32 != NULL) { + memset(win32, 0, sizeof(mz_stream_win32)); + win32->stream.vtbl = &mz_stream_os_vtbl; + } + if (stream != NULL) + *stream = win32; + + return win32; +} + +void mz_stream_os_delete(void **stream) { + mz_stream_win32 *win32 = NULL; + if (stream == NULL) + return; + win32 = (mz_stream_win32 *)*stream; + if (win32 != NULL) + MZ_FREE(win32); + *stream = NULL; +} + +void *mz_stream_os_get_interface(void) { + return (void *)&mz_stream_os_vtbl; +} diff --git a/Externals/minizip/mz_strm_pkcrypt.c b/Externals/minizip/mz_strm_pkcrypt.c new file mode 100644 index 0000000000..41c762f9c0 --- /dev/null +++ b/Externals/minizip/mz_strm_pkcrypt.c @@ -0,0 +1,338 @@ +/* mz_strm_pkcrypt.c -- Code for traditional PKWARE encryption + part of the minizip-ng project + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + Copyright (C) 1998-2005 Gilles Vollant + Modifications for Info-ZIP crypting + https://www.winimage.com/zLibDll/minizip.html + Copyright (C) 2003 Terry Thorsen + + This code is a modified version of crypting code in Info-ZIP distribution + + Copyright (C) 1990-2000 Info-ZIP. All rights reserved. + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. + + This encryption code is a direct transcription of the algorithm from + Roger Schlafly, described by Phil Katz in the file appnote.txt. This + file (appnote.txt) is distributed with the PKZIP program (even in the + version without encryption capabilities). +*/ + + +#include "mz.h" +#include "mz_crypt.h" +#include "mz_strm.h" +#include "mz_strm_pkcrypt.h" + +/***************************************************************************/ + +static mz_stream_vtbl mz_stream_pkcrypt_vtbl = { + mz_stream_pkcrypt_open, + mz_stream_pkcrypt_is_open, + mz_stream_pkcrypt_read, + mz_stream_pkcrypt_write, + mz_stream_pkcrypt_tell, + mz_stream_pkcrypt_seek, + mz_stream_pkcrypt_close, + mz_stream_pkcrypt_error, + mz_stream_pkcrypt_create, + mz_stream_pkcrypt_delete, + mz_stream_pkcrypt_get_prop_int64, + mz_stream_pkcrypt_set_prop_int64 +}; + +/***************************************************************************/ + +typedef struct mz_stream_pkcrypt_s { + mz_stream stream; + int32_t error; + int16_t initialized; + uint8_t buffer[UINT16_MAX]; + int64_t total_in; + int64_t max_total_in; + int64_t total_out; + uint32_t keys[3]; /* keys defining the pseudo-random sequence */ + uint8_t verify1; + uint8_t verify2; + const char *password; +} mz_stream_pkcrypt; + +/***************************************************************************/ + +#define mz_stream_pkcrypt_decode(strm, c) \ + (mz_stream_pkcrypt_update_keys(strm, \ + c ^= mz_stream_pkcrypt_decrypt_byte(strm))) + +#define mz_stream_pkcrypt_encode(strm, c, t) \ + (t = mz_stream_pkcrypt_decrypt_byte(strm), \ + mz_stream_pkcrypt_update_keys(strm, (uint8_t)c), (uint8_t)(t^(c))) + +/***************************************************************************/ + +static uint8_t mz_stream_pkcrypt_decrypt_byte(void *stream) { + mz_stream_pkcrypt *pkcrypt = (mz_stream_pkcrypt *)stream; + + unsigned temp; /* POTENTIAL BUG: temp*(temp^1) may overflow in an */ + /* unpredictable manner on 16-bit systems; not a problem */ + /* with any known compiler so far, though. */ + + temp = pkcrypt->keys[2] | 2; + return (uint8_t)(((temp * (temp ^ 1)) >> 8) & 0xff); +} + +static uint8_t mz_stream_pkcrypt_update_keys(void *stream, uint8_t c) { + mz_stream_pkcrypt *pkcrypt = (mz_stream_pkcrypt *)stream; + uint8_t buf = c; + + pkcrypt->keys[0] = (uint32_t)~mz_crypt_crc32_update(~pkcrypt->keys[0], &buf, 1); + + pkcrypt->keys[1] += pkcrypt->keys[0] & 0xff; + pkcrypt->keys[1] *= 134775813L; + pkcrypt->keys[1] += 1; + + buf = (uint8_t)(pkcrypt->keys[1] >> 24); + pkcrypt->keys[2] = (uint32_t)~mz_crypt_crc32_update(~pkcrypt->keys[2], &buf, 1); + + return (uint8_t)c; +} + +static void mz_stream_pkcrypt_init_keys(void *stream, const char *password) { + mz_stream_pkcrypt *pkcrypt = (mz_stream_pkcrypt *)stream; + + pkcrypt->keys[0] = 305419896L; + pkcrypt->keys[1] = 591751049L; + pkcrypt->keys[2] = 878082192L; + + while (*password != 0) { + mz_stream_pkcrypt_update_keys(stream, (uint8_t)*password); + password += 1; + } +} + +/***************************************************************************/ + +int32_t mz_stream_pkcrypt_open(void *stream, const char *path, int32_t mode) { + mz_stream_pkcrypt *pkcrypt = (mz_stream_pkcrypt *)stream; + uint16_t t = 0; + int16_t i = 0; + uint8_t verify1 = 0; + uint8_t verify2 = 0; + uint8_t header[MZ_PKCRYPT_HEADER_SIZE]; + const char *password = path; + + pkcrypt->total_in = 0; + pkcrypt->total_out = 0; + pkcrypt->initialized = 0; + + if (mz_stream_is_open(pkcrypt->stream.base) != MZ_OK) + return MZ_OPEN_ERROR; + + if (password == NULL) + password = pkcrypt->password; + if (password == NULL) + return MZ_PARAM_ERROR; + + mz_stream_pkcrypt_init_keys(stream, password); + + if (mode & MZ_OPEN_MODE_WRITE) { + /* First generate RAND_HEAD_LEN - 2 random bytes. */ + mz_crypt_rand(header, MZ_PKCRYPT_HEADER_SIZE - 2); + + /* Encrypt random header (last two bytes is high word of crc) */ + for (i = 0; i < MZ_PKCRYPT_HEADER_SIZE - 2; i++) + header[i] = mz_stream_pkcrypt_encode(stream, header[i], t); + + header[i++] = mz_stream_pkcrypt_encode(stream, pkcrypt->verify1, t); + header[i++] = mz_stream_pkcrypt_encode(stream, pkcrypt->verify2, t); + + if (mz_stream_write(pkcrypt->stream.base, header, sizeof(header)) != sizeof(header)) + return MZ_WRITE_ERROR; + + pkcrypt->total_out += MZ_PKCRYPT_HEADER_SIZE; + } else if (mode & MZ_OPEN_MODE_READ) { + if (mz_stream_read(pkcrypt->stream.base, header, sizeof(header)) != sizeof(header)) + return MZ_READ_ERROR; + + for (i = 0; i < MZ_PKCRYPT_HEADER_SIZE - 2; i++) + header[i] = mz_stream_pkcrypt_decode(stream, header[i]); + + verify1 = mz_stream_pkcrypt_decode(stream, header[i++]); + verify2 = mz_stream_pkcrypt_decode(stream, header[i++]); + + /* Older versions used 2 byte check, newer versions use 1 byte check. */ + MZ_UNUSED(verify1); + if ((verify2 != 0) && (verify2 != pkcrypt->verify2)) + return MZ_PASSWORD_ERROR; + + pkcrypt->total_in += MZ_PKCRYPT_HEADER_SIZE; + } + + pkcrypt->initialized = 1; + return MZ_OK; +} + +int32_t mz_stream_pkcrypt_is_open(void *stream) { + mz_stream_pkcrypt *pkcrypt = (mz_stream_pkcrypt *)stream; + if (pkcrypt->initialized == 0) + return MZ_OPEN_ERROR; + return MZ_OK; +} + +int32_t mz_stream_pkcrypt_read(void *stream, void *buf, int32_t size) { + mz_stream_pkcrypt *pkcrypt = (mz_stream_pkcrypt *)stream; + uint8_t *buf_ptr = (uint8_t *)buf; + int32_t bytes_to_read = size; + int32_t read = 0; + int32_t i = 0; + + + if ((int64_t)bytes_to_read > (pkcrypt->max_total_in - pkcrypt->total_in)) + bytes_to_read = (int32_t)(pkcrypt->max_total_in - pkcrypt->total_in); + + read = mz_stream_read(pkcrypt->stream.base, buf, bytes_to_read); + + for (i = 0; i < read; i++) + buf_ptr[i] = mz_stream_pkcrypt_decode(stream, buf_ptr[i]); + + if (read > 0) + pkcrypt->total_in += read; + + return read; +} + +int32_t mz_stream_pkcrypt_write(void *stream, const void *buf, int32_t size) { + mz_stream_pkcrypt *pkcrypt = (mz_stream_pkcrypt *)stream; + const uint8_t *buf_ptr = (const uint8_t *)buf; + int32_t bytes_to_write = sizeof(pkcrypt->buffer); + int32_t total_written = 0; + int32_t written = 0; + int32_t i = 0; + uint16_t t = 0; + + if (size < 0) + return MZ_PARAM_ERROR; + + do { + if (bytes_to_write > (size - total_written)) + bytes_to_write = (size - total_written); + + for (i = 0; i < bytes_to_write; i += 1) { + pkcrypt->buffer[i] = mz_stream_pkcrypt_encode(stream, *buf_ptr, t); + buf_ptr += 1; + } + + written = mz_stream_write(pkcrypt->stream.base, pkcrypt->buffer, bytes_to_write); + if (written < 0) + return written; + + total_written += written; + } while (total_written < size && written > 0); + + pkcrypt->total_out += total_written; + return total_written; +} + +int64_t mz_stream_pkcrypt_tell(void *stream) { + mz_stream_pkcrypt *pkcrypt = (mz_stream_pkcrypt *)stream; + return mz_stream_tell(pkcrypt->stream.base); +} + +int32_t mz_stream_pkcrypt_seek(void *stream, int64_t offset, int32_t origin) { + mz_stream_pkcrypt *pkcrypt = (mz_stream_pkcrypt *)stream; + return mz_stream_seek(pkcrypt->stream.base, offset, origin); +} + +int32_t mz_stream_pkcrypt_close(void *stream) { + mz_stream_pkcrypt *pkcrypt = (mz_stream_pkcrypt *)stream; + pkcrypt->initialized = 0; + return MZ_OK; +} + +int32_t mz_stream_pkcrypt_error(void *stream) { + mz_stream_pkcrypt *pkcrypt = (mz_stream_pkcrypt *)stream; + return pkcrypt->error; +} + +void mz_stream_pkcrypt_set_password(void *stream, const char *password) { + mz_stream_pkcrypt *pkcrypt = (mz_stream_pkcrypt *)stream; + pkcrypt->password = password; +} + +void mz_stream_pkcrypt_set_verify(void *stream, uint8_t verify1, uint8_t verify2) { + mz_stream_pkcrypt *pkcrypt = (mz_stream_pkcrypt *)stream; + pkcrypt->verify1 = verify1; + pkcrypt->verify2 = verify2; +} + +void mz_stream_pkcrypt_get_verify(void *stream, uint8_t *verify1, uint8_t *verify2) { + mz_stream_pkcrypt *pkcrypt = (mz_stream_pkcrypt *)stream; + *verify1 = pkcrypt->verify1; + *verify2 = pkcrypt->verify2; +} + +int32_t mz_stream_pkcrypt_get_prop_int64(void *stream, int32_t prop, int64_t *value) { + mz_stream_pkcrypt *pkcrypt = (mz_stream_pkcrypt *)stream; + switch (prop) { + case MZ_STREAM_PROP_TOTAL_IN: + *value = pkcrypt->total_in; + break; + case MZ_STREAM_PROP_TOTAL_OUT: + *value = pkcrypt->total_out; + break; + case MZ_STREAM_PROP_TOTAL_IN_MAX: + *value = pkcrypt->max_total_in; + break; + case MZ_STREAM_PROP_HEADER_SIZE: + *value = MZ_PKCRYPT_HEADER_SIZE; + break; + case MZ_STREAM_PROP_FOOTER_SIZE: + *value = 0; + break; + default: + return MZ_EXIST_ERROR; + } + return MZ_OK; +} + +int32_t mz_stream_pkcrypt_set_prop_int64(void *stream, int32_t prop, int64_t value) { + mz_stream_pkcrypt *pkcrypt = (mz_stream_pkcrypt *)stream; + switch (prop) { + case MZ_STREAM_PROP_TOTAL_IN_MAX: + pkcrypt->max_total_in = value; + break; + default: + return MZ_EXIST_ERROR; + } + return MZ_OK; +} + +void *mz_stream_pkcrypt_create(void **stream) { + mz_stream_pkcrypt *pkcrypt = NULL; + + pkcrypt = (mz_stream_pkcrypt *)MZ_ALLOC(sizeof(mz_stream_pkcrypt)); + if (pkcrypt != NULL) { + memset(pkcrypt, 0, sizeof(mz_stream_pkcrypt)); + pkcrypt->stream.vtbl = &mz_stream_pkcrypt_vtbl; + } + + if (stream != NULL) + *stream = pkcrypt; + return pkcrypt; +} + +void mz_stream_pkcrypt_delete(void **stream) { + mz_stream_pkcrypt *pkcrypt = NULL; + if (stream == NULL) + return; + pkcrypt = (mz_stream_pkcrypt *)*stream; + if (pkcrypt != NULL) + MZ_FREE(pkcrypt); + *stream = NULL; +} + +void *mz_stream_pkcrypt_get_interface(void) { + return (void *)&mz_stream_pkcrypt_vtbl; +} diff --git a/Externals/minizip/mz_strm_pkcrypt.h b/Externals/minizip/mz_strm_pkcrypt.h new file mode 100644 index 0000000000..453f1f9948 --- /dev/null +++ b/Externals/minizip/mz_strm_pkcrypt.h @@ -0,0 +1,46 @@ +/* mz_strm_pkcrypt.h -- Code for traditional PKWARE encryption + part of the minizip-ng project + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. +*/ + +#ifndef MZ_STREAM_PKCRYPT_H +#define MZ_STREAM_PKCRYPT_H + +#ifdef __cplusplus +extern "C" { +#endif + +/***************************************************************************/ + +int32_t mz_stream_pkcrypt_open(void *stream, const char *filename, int32_t mode); +int32_t mz_stream_pkcrypt_is_open(void *stream); +int32_t mz_stream_pkcrypt_read(void *stream, void *buf, int32_t size); +int32_t mz_stream_pkcrypt_write(void *stream, const void *buf, int32_t size); +int64_t mz_stream_pkcrypt_tell(void *stream); +int32_t mz_stream_pkcrypt_seek(void *stream, int64_t offset, int32_t origin); +int32_t mz_stream_pkcrypt_close(void *stream); +int32_t mz_stream_pkcrypt_error(void *stream); + +void mz_stream_pkcrypt_set_password(void *stream, const char *password); +void mz_stream_pkcrypt_set_verify(void *stream, uint8_t verify1, uint8_t verify2); +void mz_stream_pkcrypt_get_verify(void *stream, uint8_t *verify1, uint8_t *verify2); +int32_t mz_stream_pkcrypt_get_prop_int64(void *stream, int32_t prop, int64_t *value); +int32_t mz_stream_pkcrypt_set_prop_int64(void *stream, int32_t prop, int64_t value); + +void* mz_stream_pkcrypt_create(void **stream); +void mz_stream_pkcrypt_delete(void **stream); + +void* mz_stream_pkcrypt_get_interface(void); + +/***************************************************************************/ + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/Externals/minizip/mz_strm_split.c b/Externals/minizip/mz_strm_split.c new file mode 100644 index 0000000000..12c8bda303 --- /dev/null +++ b/Externals/minizip/mz_strm_split.c @@ -0,0 +1,438 @@ +/* mz_strm_split.c -- Stream for split files + part of the minizip-ng project + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. +*/ + + +#include "mz.h" +#include "mz_os.h" +#include "mz_strm.h" +#include "mz_strm_split.h" + +#include <stdio.h> /* snprintf */ + +#if defined(_MSC_VER) && (_MSC_VER < 1900) +# define snprintf _snprintf +#endif + +/***************************************************************************/ + +#define MZ_ZIP_MAGIC_DISKHEADER (0x08074b50) + +/***************************************************************************/ + +static mz_stream_vtbl mz_stream_split_vtbl = { + mz_stream_split_open, + mz_stream_split_is_open, + mz_stream_split_read, + mz_stream_split_write, + mz_stream_split_tell, + mz_stream_split_seek, + mz_stream_split_close, + mz_stream_split_error, + mz_stream_split_create, + mz_stream_split_delete, + mz_stream_split_get_prop_int64, + mz_stream_split_set_prop_int64 +}; + +/***************************************************************************/ + +typedef struct mz_stream_split_s { + mz_stream stream; + int32_t is_open; + int64_t disk_size; + int64_t total_in; + int64_t total_in_disk; + int64_t total_out; + int64_t total_out_disk; + int32_t mode; + char *path_cd; + uint32_t path_cd_size; + char *path_disk; + uint32_t path_disk_size; + int32_t number_disk; + int32_t current_disk; + int64_t current_disk_size; + int32_t reached_end; +} mz_stream_split; + +/***************************************************************************/ + +#if 0 +# define mz_stream_split_print printf +#else +# define mz_stream_split_print(fmt,...) +#endif + +/***************************************************************************/ + +static int32_t mz_stream_split_open_disk(void *stream, int32_t number_disk) { + mz_stream_split *split = (mz_stream_split *)stream; + uint32_t magic = 0; + int64_t position = 0; + int32_t i = 0; + int32_t err = MZ_OK; + int16_t disk_part = 0; + + + /* Check if we are reading or writing a disk part or the cd disk */ + if (number_disk >= 0) { + if ((split->mode & MZ_OPEN_MODE_WRITE) == 0) + disk_part = MZ_OPEN_MODE_READ; + else if (split->disk_size > 0) + disk_part = MZ_OPEN_MODE_WRITE; + } + + /* Construct disk path */ + if (disk_part > 0) { + for (i = (int32_t)strlen(split->path_disk) - 1; i >= 0; i -= 1) { + if (split->path_disk[i] != '.') + continue; + snprintf(&split->path_disk[i], split->path_disk_size - (uint32_t)i, + ".z%02" PRId32, number_disk + 1); + break; + } + } else { + strncpy(split->path_disk, split->path_cd, split->path_disk_size - 1); + split->path_disk[split->path_disk_size - 1] = 0; + } + + mz_stream_split_print("Split - Goto disk - %s (disk %" PRId32 ")\n", split->path_disk, number_disk); + + /* If disk part doesn't exist during reading then return MZ_EXIST_ERROR */ + if (disk_part == MZ_OPEN_MODE_READ) + err = mz_os_file_exists(split->path_disk); + + if (err == MZ_OK) + err = mz_stream_open(split->stream.base, split->path_disk, split->mode); + + if (err == MZ_OK) { + split->total_in_disk = 0; + split->total_out_disk = 0; + split->current_disk = number_disk; + + if (split->mode & MZ_OPEN_MODE_WRITE) { + if ((split->current_disk == 0) && (split->disk_size > 0)) { + err = mz_stream_write_uint32(split->stream.base, MZ_ZIP_MAGIC_DISKHEADER); + + split->total_out_disk += 4; + split->total_out += split->total_out_disk; + } + } else if (split->mode & MZ_OPEN_MODE_READ) { + if (split->current_disk == 0) { + err = mz_stream_read_uint32(split->stream.base, &magic); + if (magic != MZ_ZIP_MAGIC_DISKHEADER) + err = MZ_FORMAT_ERROR; + } + } + } + + if (err == MZ_OK) { + /* Get the size of the current disk we are on */ + position = mz_stream_tell(split->stream.base); + mz_stream_seek(split->stream.base, 0, MZ_SEEK_END); + split->current_disk_size = mz_stream_tell(split->stream.base); + mz_stream_seek(split->stream.base, position, MZ_SEEK_SET); + + split->is_open = 1; + } + + return err; +} + +static int32_t mz_stream_split_close_disk(void *stream) { + mz_stream_split *split = (mz_stream_split *)stream; + + if (mz_stream_is_open(split->stream.base) != MZ_OK) + return MZ_OK; + + mz_stream_split_print("Split - Close disk\n"); + return mz_stream_close(split->stream.base); +} + +static int32_t mz_stream_split_goto_disk(void *stream, int32_t number_disk) { + mz_stream_split *split = (mz_stream_split *)stream; + int32_t err = MZ_OK; + int32_t err_is_open = MZ_OK; + + err_is_open = mz_stream_is_open(split->stream.base); + + if ((split->disk_size == 0) && (split->mode & MZ_OPEN_MODE_WRITE)) { + if (err_is_open != MZ_OK) + err = mz_stream_split_open_disk(stream, number_disk); + } else if ((number_disk != split->current_disk) || (err_is_open != MZ_OK)) { + err = mz_stream_split_close_disk(stream); + if (err == MZ_OK) { + err = mz_stream_split_open_disk(stream, number_disk); + if (err == MZ_OK) + split->number_disk = number_disk; + } + } + + return err; +} + +int32_t mz_stream_split_open(void *stream, const char *path, int32_t mode) { + mz_stream_split *split = (mz_stream_split *)stream; + int32_t number_disk = 0; + + split->mode = mode; + + split->path_cd_size = (uint32_t)strlen(path) + 1; + split->path_cd = (char *)MZ_ALLOC(split->path_cd_size); + + if (split->path_cd == NULL) + return MZ_MEM_ERROR; + + strncpy(split->path_cd, path, split->path_cd_size - 1); + split->path_cd[split->path_cd_size - 1] = 0; + + mz_stream_split_print("Split - Open - %s (disk %" PRId32 ")\n", split->path_cd, number_disk); + + split->path_disk_size = (uint32_t)strlen(path) + 10; + split->path_disk = (char *)MZ_ALLOC(split->path_disk_size); + + if (split->path_disk == NULL) { + MZ_FREE(split->path_cd); + return MZ_MEM_ERROR; + } + + strncpy(split->path_disk, path, split->path_disk_size - 1); + split->path_disk[split->path_disk_size - 1] = 0; + + if ((mode & MZ_OPEN_MODE_WRITE) && ((mode & MZ_OPEN_MODE_APPEND) == 0)) { + number_disk = 0; + split->current_disk = -1; + } else { + number_disk = -1; + split->current_disk = 0; + } + + return mz_stream_split_goto_disk(stream, number_disk); +} + +int32_t mz_stream_split_is_open(void *stream) { + mz_stream_split *split = (mz_stream_split *)stream; + if (split->is_open != 1) + return MZ_OPEN_ERROR; + return MZ_OK; +} + +int32_t mz_stream_split_read(void *stream, void *buf, int32_t size) { + mz_stream_split *split = (mz_stream_split *)stream; + int32_t bytes_left = size; + int32_t read = 0; + int32_t err = MZ_OK; + uint8_t *buf_ptr = (uint8_t *)buf; + + err = mz_stream_split_goto_disk(stream, split->number_disk); + if (err != MZ_OK) + return err; + + while (bytes_left > 0) { + read = mz_stream_read(split->stream.base, buf_ptr, bytes_left); + + mz_stream_split_print("Split - Read disk - %" PRId32 "\n", read); + + if (read < 0) + return read; + if (read == 0) { + if (split->current_disk < 0) /* No more disks to goto */ + break; + err = mz_stream_split_goto_disk(stream, split->current_disk + 1); + if (err == MZ_EXIST_ERROR) { + split->current_disk = -1; + break; + } + if (err != MZ_OK) + return err; + } + + bytes_left -= read; + buf_ptr += read; + split->total_in += read; + split->total_in_disk += read; + } + return size - bytes_left; +} + +int32_t mz_stream_split_write(void *stream, const void *buf, int32_t size) { + mz_stream_split *split = (mz_stream_split *)stream; + int64_t position = 0; + int32_t written = 0; + int32_t bytes_left = size; + int32_t bytes_to_write = 0; + int32_t bytes_avail = 0; + int32_t number_disk = -1; + int32_t err = MZ_OK; + const uint8_t *buf_ptr = (const uint8_t *)buf; + + position = mz_stream_tell(split->stream.base); + + while (bytes_left > 0) { + bytes_to_write = bytes_left; + + if (split->disk_size > 0) { + if ((split->total_out_disk == split->disk_size && split->total_out > 0) || + (split->number_disk == -1 && split->number_disk != split->current_disk)) { + if (split->number_disk != -1) + number_disk = split->current_disk + 1; + + err = mz_stream_split_goto_disk(stream, number_disk); + if (err != MZ_OK) + return err; + } + + if (split->number_disk != -1) { + bytes_avail = (int32_t)(split->disk_size - split->total_out_disk); + if (bytes_to_write > bytes_avail) + bytes_to_write = bytes_avail; + } + } + + written = mz_stream_write(split->stream.base, buf_ptr, bytes_to_write); + if (written != bytes_to_write) + return MZ_WRITE_ERROR; + + mz_stream_split_print("Split - Write disk - %" PRId32 "\n", written); + + bytes_left -= written; + buf_ptr += written; + + split->total_out += written; + split->total_out_disk += written; + + if (position == split->current_disk_size) { + split->current_disk_size += written; + position = split->current_disk_size; + } + } + + return size - bytes_left; +} + +int64_t mz_stream_split_tell(void *stream) { + mz_stream_split *split = (mz_stream_split *)stream; + int32_t err = MZ_OK; + err = mz_stream_split_goto_disk(stream, split->number_disk); + if (err != MZ_OK) + return err; + return mz_stream_tell(split->stream.base); +} + +int32_t mz_stream_split_seek(void *stream, int64_t offset, int32_t origin) { + mz_stream_split *split = (mz_stream_split *)stream; + int64_t disk_left = 0; + int64_t position = 0; + int32_t err = MZ_OK; + + err = mz_stream_split_goto_disk(stream, split->number_disk); + + if (err != MZ_OK) + return err; + + mz_stream_split_print("Split - Seek disk - %" PRId64 " (origin %" PRId32 ")\n", offset, origin); + + if ((origin == MZ_SEEK_CUR) && (split->number_disk != -1)) { + position = mz_stream_tell(split->stream.base); + disk_left = split->current_disk_size - position; + + while (offset > disk_left) { + err = mz_stream_split_goto_disk(stream, split->current_disk + 1); + if (err != MZ_OK) + return err; + + offset -= disk_left; + disk_left = split->current_disk_size; + } + } + + return mz_stream_seek(split->stream.base, offset, origin); +} + +int32_t mz_stream_split_close(void *stream) { + mz_stream_split *split = (mz_stream_split *)stream; + int32_t err = MZ_OK; + + err = mz_stream_split_close_disk(stream); + split->is_open = 0; + return err; +} + +int32_t mz_stream_split_error(void *stream) { + mz_stream_split *split = (mz_stream_split *)stream; + return mz_stream_error(split->stream.base); +} + +int32_t mz_stream_split_get_prop_int64(void *stream, int32_t prop, int64_t *value) { + mz_stream_split *split = (mz_stream_split *)stream; + switch (prop) { + case MZ_STREAM_PROP_TOTAL_OUT: + *value = split->total_out; + break; + case MZ_STREAM_PROP_DISK_NUMBER: + *value = split->number_disk; + break; + case MZ_STREAM_PROP_DISK_SIZE: + *value = split->disk_size; + break; + default: + return MZ_EXIST_ERROR; + } + return MZ_OK; +} + +int32_t mz_stream_split_set_prop_int64(void *stream, int32_t prop, int64_t value) { + mz_stream_split *split = (mz_stream_split *)stream; + switch (prop) { + case MZ_STREAM_PROP_DISK_NUMBER: + split->number_disk = (int32_t)value; + break; + case MZ_STREAM_PROP_DISK_SIZE: + split->disk_size = value; + break; + default: + return MZ_EXIST_ERROR; + } + return MZ_OK; +} + +void *mz_stream_split_create(void **stream) { + mz_stream_split *split = NULL; + + split = (mz_stream_split *)MZ_ALLOC(sizeof(mz_stream_split)); + if (split != NULL) { + memset(split, 0, sizeof(mz_stream_split)); + split->stream.vtbl = &mz_stream_split_vtbl; + } + if (stream != NULL) + *stream = split; + + return split; +} + +void mz_stream_split_delete(void **stream) { + mz_stream_split *split = NULL; + if (stream == NULL) + return; + split = (mz_stream_split *)*stream; + if (split != NULL) { + if (split->path_cd) + MZ_FREE(split->path_cd); + if (split->path_disk) + MZ_FREE(split->path_disk); + + MZ_FREE(split); + } + *stream = NULL; +} + +void *mz_stream_split_get_interface(void) { + return (void *)&mz_stream_split_vtbl; +} diff --git a/Externals/minizip/mz_strm_split.h b/Externals/minizip/mz_strm_split.h new file mode 100644 index 0000000000..da404dae2a --- /dev/null +++ b/Externals/minizip/mz_strm_split.h @@ -0,0 +1,43 @@ +/* mz_strm_split.h -- Stream for split files + part of the minizip-ng project + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. +*/ + +#ifndef MZ_STREAM_SPLIT_H +#define MZ_STREAM_SPLIT_H + +#ifdef __cplusplus +extern "C" { +#endif + +/***************************************************************************/ + +int32_t mz_stream_split_open(void *stream, const char *filename, int32_t mode); +int32_t mz_stream_split_is_open(void *stream); +int32_t mz_stream_split_read(void *stream, void *buf, int32_t size); +int32_t mz_stream_split_write(void *stream, const void *buf, int32_t size); +int64_t mz_stream_split_tell(void *stream); +int32_t mz_stream_split_seek(void *stream, int64_t offset, int32_t origin); +int32_t mz_stream_split_close(void *stream); +int32_t mz_stream_split_error(void *stream); + +int32_t mz_stream_split_get_prop_int64(void *stream, int32_t prop, int64_t *value); +int32_t mz_stream_split_set_prop_int64(void *stream, int32_t prop, int64_t value); + +void* mz_stream_split_create(void **stream); +void mz_stream_split_delete(void **stream); + +void* mz_stream_split_get_interface(void); + +/***************************************************************************/ + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/Externals/minizip/mz_strm_wzaes.c b/Externals/minizip/mz_strm_wzaes.c new file mode 100644 index 0000000000..fd0119991a --- /dev/null +++ b/Externals/minizip/mz_strm_wzaes.c @@ -0,0 +1,362 @@ +/* mz_strm_wzaes.c -- Stream for WinZip AES encryption + part of the minizip-ng project + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + Copyright (C) 1998-2010 Brian Gladman, Worcester, UK + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. +*/ + + +#include "mz.h" +#include "mz_crypt.h" +#include "mz_strm.h" +#include "mz_strm_wzaes.h" + +/***************************************************************************/ + +#define MZ_AES_KEYING_ITERATIONS (1000) +#define MZ_AES_SALT_LENGTH(MODE) (4 * (MODE & 3) + 4) +#define MZ_AES_SALT_LENGTH_MAX (16) +#define MZ_AES_PW_LENGTH_MAX (128) +#define MZ_AES_PW_VERIFY_SIZE (2) +#define MZ_AES_AUTHCODE_SIZE (10) + +/***************************************************************************/ + +static mz_stream_vtbl mz_stream_wzaes_vtbl = { + mz_stream_wzaes_open, + mz_stream_wzaes_is_open, + mz_stream_wzaes_read, + mz_stream_wzaes_write, + mz_stream_wzaes_tell, + mz_stream_wzaes_seek, + mz_stream_wzaes_close, + mz_stream_wzaes_error, + mz_stream_wzaes_create, + mz_stream_wzaes_delete, + mz_stream_wzaes_get_prop_int64, + mz_stream_wzaes_set_prop_int64 +}; + +/***************************************************************************/ + +typedef struct mz_stream_wzaes_s { + mz_stream stream; + int32_t mode; + int32_t error; + int16_t initialized; + uint8_t buffer[UINT16_MAX]; + int64_t total_in; + int64_t max_total_in; + int64_t total_out; + int16_t encryption_mode; + const char *password; + void *aes; + uint32_t crypt_pos; + uint8_t crypt_block[MZ_AES_BLOCK_SIZE]; + void *hmac; + uint8_t nonce[MZ_AES_BLOCK_SIZE]; +} mz_stream_wzaes; + +/***************************************************************************/ + +int32_t mz_stream_wzaes_open(void *stream, const char *path, int32_t mode) { + mz_stream_wzaes *wzaes = (mz_stream_wzaes *)stream; + uint16_t salt_length = 0; + uint16_t password_length = 0; + uint16_t key_length = 0; + uint8_t kbuf[2 * MZ_AES_KEY_LENGTH_MAX + MZ_AES_PW_VERIFY_SIZE]; + uint8_t verify[MZ_AES_PW_VERIFY_SIZE]; + uint8_t verify_expected[MZ_AES_PW_VERIFY_SIZE]; + uint8_t salt_value[MZ_AES_SALT_LENGTH_MAX]; + const char *password = path; + + wzaes->total_in = 0; + wzaes->total_out = 0; + wzaes->initialized = 0; + + if (mz_stream_is_open(wzaes->stream.base) != MZ_OK) + return MZ_OPEN_ERROR; + + if (password == NULL) + password = wzaes->password; + if (password == NULL) + return MZ_PARAM_ERROR; + password_length = (uint16_t)strlen(password); + if (password_length > MZ_AES_PW_LENGTH_MAX) + return MZ_PARAM_ERROR; + + if (wzaes->encryption_mode < 1 || wzaes->encryption_mode > 3) + return MZ_PARAM_ERROR; + + salt_length = MZ_AES_SALT_LENGTH(wzaes->encryption_mode); + + if (mode & MZ_OPEN_MODE_WRITE) { + mz_crypt_rand(salt_value, salt_length); + } else if (mode & MZ_OPEN_MODE_READ) { + if (mz_stream_read(wzaes->stream.base, salt_value, salt_length) != salt_length) + return MZ_READ_ERROR; + } + + key_length = MZ_AES_KEY_LENGTH(wzaes->encryption_mode); + + /* Derive the encryption and authentication keys and the password verifier */ + mz_crypt_pbkdf2((uint8_t *)password, password_length, salt_value, salt_length, + MZ_AES_KEYING_ITERATIONS, kbuf, 2 * key_length + MZ_AES_PW_VERIFY_SIZE); + + /* Initialize the encryption nonce and buffer pos */ + wzaes->crypt_pos = MZ_AES_BLOCK_SIZE; + memset(wzaes->nonce, 0, sizeof(wzaes->nonce)); + + /* Initialize for encryption using key 1 */ + mz_crypt_aes_reset(wzaes->aes); + mz_crypt_aes_set_mode(wzaes->aes, wzaes->encryption_mode); + mz_crypt_aes_set_encrypt_key(wzaes->aes, kbuf, key_length); + + /* Initialize for authentication using key 2 */ + mz_crypt_hmac_reset(wzaes->hmac); + mz_crypt_hmac_set_algorithm(wzaes->hmac, MZ_HASH_SHA1); + mz_crypt_hmac_init(wzaes->hmac, kbuf + key_length, key_length); + + memcpy(verify, kbuf + (2 * key_length), MZ_AES_PW_VERIFY_SIZE); + + if (mode & MZ_OPEN_MODE_WRITE) { + if (mz_stream_write(wzaes->stream.base, salt_value, salt_length) != salt_length) + return MZ_WRITE_ERROR; + + wzaes->total_out += salt_length; + + if (mz_stream_write(wzaes->stream.base, verify, MZ_AES_PW_VERIFY_SIZE) != MZ_AES_PW_VERIFY_SIZE) + return MZ_WRITE_ERROR; + + wzaes->total_out += MZ_AES_PW_VERIFY_SIZE; + } else if (mode & MZ_OPEN_MODE_READ) { + wzaes->total_in += salt_length; + + if (mz_stream_read(wzaes->stream.base, verify_expected, MZ_AES_PW_VERIFY_SIZE) != MZ_AES_PW_VERIFY_SIZE) + return MZ_READ_ERROR; + + wzaes->total_in += MZ_AES_PW_VERIFY_SIZE; + + if (memcmp(verify_expected, verify, MZ_AES_PW_VERIFY_SIZE) != 0) + return MZ_PASSWORD_ERROR; + } + + wzaes->mode = mode; + wzaes->initialized = 1; + + return MZ_OK; +} + +int32_t mz_stream_wzaes_is_open(void *stream) { + mz_stream_wzaes *wzaes = (mz_stream_wzaes *)stream; + if (wzaes->initialized == 0) + return MZ_OPEN_ERROR; + return MZ_OK; +} + +static int32_t mz_stream_wzaes_ctr_encrypt(void *stream, uint8_t *buf, int32_t size) { + mz_stream_wzaes *wzaes = (mz_stream_wzaes *)stream; + uint32_t pos = wzaes->crypt_pos; + uint32_t i = 0; + int32_t err = MZ_OK; + + while (i < (uint32_t)size) { + if (pos == MZ_AES_BLOCK_SIZE) { + uint32_t j = 0; + + /* Increment encryption nonce */ + while (j < 8 && !++wzaes->nonce[j]) + j += 1; + + /* Encrypt the nonce to form next xor buffer */ + memcpy(wzaes->crypt_block, wzaes->nonce, MZ_AES_BLOCK_SIZE); + mz_crypt_aes_encrypt(wzaes->aes, wzaes->crypt_block, sizeof(wzaes->crypt_block)); + pos = 0; + } + + buf[i++] ^= wzaes->crypt_block[pos++]; + } + + wzaes->crypt_pos = pos; + return err; +} + +int32_t mz_stream_wzaes_read(void *stream, void *buf, int32_t size) { + mz_stream_wzaes *wzaes = (mz_stream_wzaes *)stream; + int64_t max_total_in = 0; + int32_t bytes_to_read = size; + int32_t read = 0; + + max_total_in = wzaes->max_total_in - MZ_AES_FOOTER_SIZE; + if ((int64_t)bytes_to_read > (max_total_in - wzaes->total_in)) + bytes_to_read = (int32_t)(max_total_in - wzaes->total_in); + + read = mz_stream_read(wzaes->stream.base, buf, bytes_to_read); + + if (read > 0) { + mz_crypt_hmac_update(wzaes->hmac, (uint8_t *)buf, read); + mz_stream_wzaes_ctr_encrypt(stream, (uint8_t *)buf, read); + + wzaes->total_in += read; + } + + return read; +} + +int32_t mz_stream_wzaes_write(void *stream, const void *buf, int32_t size) { + mz_stream_wzaes *wzaes = (mz_stream_wzaes *)stream; + const uint8_t *buf_ptr = (const uint8_t *)buf; + int32_t bytes_to_write = sizeof(wzaes->buffer); + int32_t total_written = 0; + int32_t written = 0; + + if (size < 0) + return MZ_PARAM_ERROR; + + do { + if (bytes_to_write > (size - total_written)) + bytes_to_write = (size - total_written); + + memcpy(wzaes->buffer, buf_ptr, bytes_to_write); + buf_ptr += bytes_to_write; + + mz_stream_wzaes_ctr_encrypt(stream, (uint8_t *)wzaes->buffer, bytes_to_write); + mz_crypt_hmac_update(wzaes->hmac, wzaes->buffer, bytes_to_write); + + written = mz_stream_write(wzaes->stream.base, wzaes->buffer, bytes_to_write); + if (written < 0) + return written; + + total_written += written; + } while (total_written < size && written > 0); + + wzaes->total_out += total_written; + return total_written; +} + +int64_t mz_stream_wzaes_tell(void *stream) { + mz_stream_wzaes *wzaes = (mz_stream_wzaes *)stream; + return mz_stream_tell(wzaes->stream.base); +} + +int32_t mz_stream_wzaes_seek(void *stream, int64_t offset, int32_t origin) { + mz_stream_wzaes *wzaes = (mz_stream_wzaes *)stream; + return mz_stream_seek(wzaes->stream.base, offset, origin); +} + +int32_t mz_stream_wzaes_close(void *stream) { + mz_stream_wzaes *wzaes = (mz_stream_wzaes *)stream; + uint8_t expected_hash[MZ_AES_AUTHCODE_SIZE]; + uint8_t computed_hash[MZ_HASH_SHA1_SIZE]; + + mz_crypt_hmac_end(wzaes->hmac, computed_hash, sizeof(computed_hash)); + + if (wzaes->mode & MZ_OPEN_MODE_WRITE) { + if (mz_stream_write(wzaes->stream.base, computed_hash, MZ_AES_AUTHCODE_SIZE) != MZ_AES_AUTHCODE_SIZE) + return MZ_WRITE_ERROR; + + wzaes->total_out += MZ_AES_AUTHCODE_SIZE; + } else if (wzaes->mode & MZ_OPEN_MODE_READ) { + if (mz_stream_read(wzaes->stream.base, expected_hash, MZ_AES_AUTHCODE_SIZE) != MZ_AES_AUTHCODE_SIZE) + return MZ_READ_ERROR; + + wzaes->total_in += MZ_AES_AUTHCODE_SIZE; + + /* If entire entry was not read this will fail */ + if (memcmp(computed_hash, expected_hash, MZ_AES_AUTHCODE_SIZE) != 0) + return MZ_CRC_ERROR; + } + + wzaes->initialized = 0; + return MZ_OK; +} + +int32_t mz_stream_wzaes_error(void *stream) { + mz_stream_wzaes *wzaes = (mz_stream_wzaes *)stream; + return wzaes->error; +} + +void mz_stream_wzaes_set_password(void *stream, const char *password) { + mz_stream_wzaes *wzaes = (mz_stream_wzaes *)stream; + wzaes->password = password; +} + +void mz_stream_wzaes_set_encryption_mode(void *stream, int16_t encryption_mode) { + mz_stream_wzaes *wzaes = (mz_stream_wzaes *)stream; + wzaes->encryption_mode = encryption_mode; +} + +int32_t mz_stream_wzaes_get_prop_int64(void *stream, int32_t prop, int64_t *value) { + mz_stream_wzaes *wzaes = (mz_stream_wzaes *)stream; + switch (prop) { + case MZ_STREAM_PROP_TOTAL_IN: + *value = wzaes->total_in; + break; + case MZ_STREAM_PROP_TOTAL_OUT: + *value = wzaes->total_out; + break; + case MZ_STREAM_PROP_TOTAL_IN_MAX: + *value = wzaes->max_total_in; + break; + case MZ_STREAM_PROP_HEADER_SIZE: + *value = MZ_AES_SALT_LENGTH((int64_t)wzaes->encryption_mode) + MZ_AES_PW_VERIFY_SIZE; + break; + case MZ_STREAM_PROP_FOOTER_SIZE: + *value = MZ_AES_AUTHCODE_SIZE; + break; + default: + return MZ_EXIST_ERROR; + } + return MZ_OK; +} + +int32_t mz_stream_wzaes_set_prop_int64(void *stream, int32_t prop, int64_t value) { + mz_stream_wzaes *wzaes = (mz_stream_wzaes *)stream; + switch (prop) { + case MZ_STREAM_PROP_TOTAL_IN_MAX: + wzaes->max_total_in = value; + break; + default: + return MZ_EXIST_ERROR; + } + return MZ_OK; +} + +void *mz_stream_wzaes_create(void **stream) { + mz_stream_wzaes *wzaes = NULL; + + wzaes = (mz_stream_wzaes *)MZ_ALLOC(sizeof(mz_stream_wzaes)); + if (wzaes != NULL) { + memset(wzaes, 0, sizeof(mz_stream_wzaes)); + wzaes->stream.vtbl = &mz_stream_wzaes_vtbl; + wzaes->encryption_mode = MZ_AES_ENCRYPTION_MODE_256; + + mz_crypt_hmac_create(&wzaes->hmac); + mz_crypt_aes_create(&wzaes->aes); + } + if (stream != NULL) + *stream = wzaes; + + return wzaes; +} + +void mz_stream_wzaes_delete(void **stream) { + mz_stream_wzaes *wzaes = NULL; + if (stream == NULL) + return; + wzaes = (mz_stream_wzaes *)*stream; + if (wzaes != NULL) { + mz_crypt_aes_delete(&wzaes->aes); + mz_crypt_hmac_delete(&wzaes->hmac); + MZ_FREE(wzaes); + } + *stream = NULL; +} + +void *mz_stream_wzaes_get_interface(void) { + return (void *)&mz_stream_wzaes_vtbl; +} diff --git a/Externals/minizip/mz_strm_wzaes.h b/Externals/minizip/mz_strm_wzaes.h new file mode 100644 index 0000000000..e27f11203f --- /dev/null +++ b/Externals/minizip/mz_strm_wzaes.h @@ -0,0 +1,46 @@ +/* mz_strm_wzaes.h -- Stream for WinZIP AES encryption + part of the minizip-ng project + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. +*/ + +#ifndef MZ_STREAM_WZAES_SHA1_H +#define MZ_STREAM_WZAES_SHA1_H + +#ifdef __cplusplus +extern "C" { +#endif + +/***************************************************************************/ + +int32_t mz_stream_wzaes_open(void *stream, const char *filename, int32_t mode); +int32_t mz_stream_wzaes_is_open(void *stream); +int32_t mz_stream_wzaes_read(void *stream, void *buf, int32_t size); +int32_t mz_stream_wzaes_write(void *stream, const void *buf, int32_t size); +int64_t mz_stream_wzaes_tell(void *stream); +int32_t mz_stream_wzaes_seek(void *stream, int64_t offset, int32_t origin); +int32_t mz_stream_wzaes_close(void *stream); +int32_t mz_stream_wzaes_error(void *stream); + +void mz_stream_wzaes_set_password(void *stream, const char *password); +void mz_stream_wzaes_set_encryption_mode(void *stream, int16_t encryption_mode); + +int32_t mz_stream_wzaes_get_prop_int64(void *stream, int32_t prop, int64_t *value); +int32_t mz_stream_wzaes_set_prop_int64(void *stream, int32_t prop, int64_t value); + +void* mz_stream_wzaes_create(void **stream); +void mz_stream_wzaes_delete(void **stream); + +void* mz_stream_wzaes_get_interface(void); + +/***************************************************************************/ + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/Externals/minizip/mz_strm_zlib.c b/Externals/minizip/mz_strm_zlib.c new file mode 100644 index 0000000000..e83bbac91a --- /dev/null +++ b/Externals/minizip/mz_strm_zlib.c @@ -0,0 +1,393 @@ +/* mz_strm_zlib.c -- Stream for zlib inflate/deflate + part of the minizip-ng project + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. +*/ + + +#include "mz.h" +#include "mz_strm.h" +#include "mz_strm_zlib.h" + +#include "zlib.h" +#if defined(ZLIBNG_VERNUM) && !defined(ZLIB_COMPAT) +# include "zlib-ng.h" +#endif + +/***************************************************************************/ + +#if defined(ZLIBNG_VERNUM) && !defined(ZLIB_COMPAT) +# define ZLIB_PREFIX(x) zng_ ## x + typedef zng_stream zlib_stream; +#else +# define ZLIB_PREFIX(x) x + typedef z_stream zlib_stream; +#endif + +#if !defined(DEF_MEM_LEVEL) +# if MAX_MEM_LEVEL >= 8 +# define DEF_MEM_LEVEL 8 +# else +# define DEF_MEM_LEVEL MAX_MEM_LEVEL +# endif +#endif + +/***************************************************************************/ + +static mz_stream_vtbl mz_stream_zlib_vtbl = { + mz_stream_zlib_open, + mz_stream_zlib_is_open, + mz_stream_zlib_read, + mz_stream_zlib_write, + mz_stream_zlib_tell, + mz_stream_zlib_seek, + mz_stream_zlib_close, + mz_stream_zlib_error, + mz_stream_zlib_create, + mz_stream_zlib_delete, + mz_stream_zlib_get_prop_int64, + mz_stream_zlib_set_prop_int64 +}; + +/***************************************************************************/ + +typedef struct mz_stream_zlib_s { + mz_stream stream; + zlib_stream zstream; + uint8_t buffer[INT16_MAX]; + int32_t buffer_len; + int64_t total_in; + int64_t total_out; + int64_t max_total_in; + int8_t initialized; + int16_t level; + int32_t window_bits; + int32_t mode; + int32_t error; +} mz_stream_zlib; + +/***************************************************************************/ + +int32_t mz_stream_zlib_open(void *stream, const char *path, int32_t mode) { + mz_stream_zlib *zlib = (mz_stream_zlib *)stream; + + MZ_UNUSED(path); + + zlib->zstream.data_type = Z_BINARY; + zlib->zstream.zalloc = Z_NULL; + zlib->zstream.zfree = Z_NULL; + zlib->zstream.opaque = Z_NULL; + zlib->zstream.total_in = 0; + zlib->zstream.total_out = 0; + + zlib->total_in = 0; + zlib->total_out = 0; + + if (mode & MZ_OPEN_MODE_WRITE) { +#ifdef MZ_ZIP_NO_COMPRESSION + return MZ_SUPPORT_ERROR; +#else + zlib->zstream.next_out = zlib->buffer; + zlib->zstream.avail_out = sizeof(zlib->buffer); + + zlib->error = ZLIB_PREFIX(deflateInit2)(&zlib->zstream, (int8_t)zlib->level, Z_DEFLATED, + zlib->window_bits, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY); +#endif + } else if (mode & MZ_OPEN_MODE_READ) { +#ifdef MZ_ZIP_NO_DECOMPRESSION + return MZ_SUPPORT_ERROR; +#else + zlib->zstream.next_in = zlib->buffer; + zlib->zstream.avail_in = 0; + + zlib->error = ZLIB_PREFIX(inflateInit2)(&zlib->zstream, zlib->window_bits); +#endif + } + + if (zlib->error != Z_OK) + return MZ_OPEN_ERROR; + + zlib->initialized = 1; + zlib->mode = mode; + return MZ_OK; +} + +int32_t mz_stream_zlib_is_open(void *stream) { + mz_stream_zlib *zlib = (mz_stream_zlib *)stream; + if (zlib->initialized != 1) + return MZ_OPEN_ERROR; + return MZ_OK; +} + +int32_t mz_stream_zlib_read(void *stream, void *buf, int32_t size) { +#ifdef MZ_ZIP_NO_DECOMPRESSION + MZ_UNUSED(stream); + MZ_UNUSED(buf); + MZ_UNUSED(size); + return MZ_SUPPORT_ERROR; +#else + mz_stream_zlib *zlib = (mz_stream_zlib *)stream; + uint64_t total_in_before = 0; + uint64_t total_in_after = 0; + uint64_t total_out_before = 0; + uint64_t total_out_after = 0; + uint32_t total_in = 0; + uint32_t total_out = 0; + uint32_t in_bytes = 0; + uint32_t out_bytes = 0; + int32_t bytes_to_read = sizeof(zlib->buffer); + int32_t read = 0; + int32_t err = Z_OK; + + + zlib->zstream.next_out = (Bytef*)buf; + zlib->zstream.avail_out = (uInt)size; + + do { + if (zlib->zstream.avail_in == 0) { + if (zlib->max_total_in > 0) { + if ((int64_t)bytes_to_read > (zlib->max_total_in - zlib->total_in)) + bytes_to_read = (int32_t)(zlib->max_total_in - zlib->total_in); + } + + read = mz_stream_read(zlib->stream.base, zlib->buffer, bytes_to_read); + + if (read < 0) + return read; + + zlib->zstream.next_in = zlib->buffer; + zlib->zstream.avail_in = read; + } + + total_in_before = zlib->zstream.avail_in; + total_out_before = zlib->zstream.total_out; + + err = ZLIB_PREFIX(inflate)(&zlib->zstream, Z_SYNC_FLUSH); + if ((err >= Z_OK) && (zlib->zstream.msg != NULL)) { + zlib->error = Z_DATA_ERROR; + break; + } + + total_in_after = zlib->zstream.avail_in; + total_out_after = zlib->zstream.total_out; + + in_bytes = (uint32_t)(total_in_before - total_in_after); + out_bytes = (uint32_t)(total_out_after - total_out_before); + + total_in += in_bytes; + total_out += out_bytes; + + zlib->total_in += in_bytes; + zlib->total_out += out_bytes; + + if (err == Z_STREAM_END) + break; + if (err != Z_OK) { + zlib->error = err; + break; + } + } while (zlib->zstream.avail_out > 0); + + if (zlib->error != 0) { + /* Zlib errors are compatible with MZ */ + return zlib->error; + } + + return total_out; +#endif +} + +#ifndef MZ_ZIP_NO_COMPRESSION +static int32_t mz_stream_zlib_flush(void *stream) { + mz_stream_zlib *zlib = (mz_stream_zlib *)stream; + if (mz_stream_write(zlib->stream.base, zlib->buffer, zlib->buffer_len) != zlib->buffer_len) + return MZ_WRITE_ERROR; + return MZ_OK; +} + +static int32_t mz_stream_zlib_deflate(void *stream, int flush) { + mz_stream_zlib *zlib = (mz_stream_zlib *)stream; + uint64_t total_out_before = 0; + uint64_t total_out_after = 0; + int32_t out_bytes = 0; + int32_t err = Z_OK; + + + do { + if (zlib->zstream.avail_out == 0) { + err = mz_stream_zlib_flush(zlib); + if (err != MZ_OK) + return err; + + zlib->zstream.avail_out = sizeof(zlib->buffer); + zlib->zstream.next_out = zlib->buffer; + + zlib->buffer_len = 0; + } + + total_out_before = zlib->zstream.total_out; + err = ZLIB_PREFIX(deflate)(&zlib->zstream, flush); + total_out_after = zlib->zstream.total_out; + + out_bytes = (uint32_t)(total_out_after - total_out_before); + + zlib->buffer_len += out_bytes; + zlib->total_out += out_bytes; + + if (err == Z_STREAM_END) + break; + if (err != Z_OK) { + zlib->error = err; + return MZ_DATA_ERROR; + } + } while ((zlib->zstream.avail_in > 0) || (flush == Z_FINISH && err == Z_OK)); + + return MZ_OK; +} +#endif + +int32_t mz_stream_zlib_write(void *stream, const void *buf, int32_t size) { +#ifdef MZ_ZIP_NO_COMPRESSION + MZ_UNUSED(stream); + MZ_UNUSED(buf); + MZ_UNUSED(size); + return MZ_SUPPORT_ERROR; +#else + mz_stream_zlib *zlib = (mz_stream_zlib *)stream; + int32_t err = MZ_OK; + + zlib->zstream.next_in = (Bytef*)(intptr_t)buf; + zlib->zstream.avail_in = (uInt)size; + + err = mz_stream_zlib_deflate(stream, Z_NO_FLUSH); + if (err != MZ_OK) { + return err; + } + + zlib->total_in += size; + return size; +#endif +} + +int64_t mz_stream_zlib_tell(void *stream) { + MZ_UNUSED(stream); + + return MZ_TELL_ERROR; +} + +int32_t mz_stream_zlib_seek(void *stream, int64_t offset, int32_t origin) { + MZ_UNUSED(stream); + MZ_UNUSED(offset); + MZ_UNUSED(origin); + + return MZ_SEEK_ERROR; +} + +int32_t mz_stream_zlib_close(void *stream) { + mz_stream_zlib *zlib = (mz_stream_zlib *)stream; + + + if (zlib->mode & MZ_OPEN_MODE_WRITE) { +#ifdef MZ_ZIP_NO_COMPRESSION + return MZ_SUPPORT_ERROR; +#else + mz_stream_zlib_deflate(stream, Z_FINISH); + mz_stream_zlib_flush(stream); + + ZLIB_PREFIX(deflateEnd)(&zlib->zstream); +#endif + } else if (zlib->mode & MZ_OPEN_MODE_READ) { +#ifdef MZ_ZIP_NO_DECOMPRESSION + return MZ_SUPPORT_ERROR; +#else + ZLIB_PREFIX(inflateEnd)(&zlib->zstream); +#endif + } + + zlib->initialized = 0; + + if (zlib->error != Z_OK) + return MZ_CLOSE_ERROR; + return MZ_OK; +} + +int32_t mz_stream_zlib_error(void *stream) { + mz_stream_zlib *zlib = (mz_stream_zlib *)stream; + return zlib->error; +} + +int32_t mz_stream_zlib_get_prop_int64(void *stream, int32_t prop, int64_t *value) { + mz_stream_zlib *zlib = (mz_stream_zlib *)stream; + switch (prop) { + case MZ_STREAM_PROP_TOTAL_IN: + *value = zlib->total_in; + break; + case MZ_STREAM_PROP_TOTAL_IN_MAX: + *value = zlib->max_total_in; + break; + case MZ_STREAM_PROP_TOTAL_OUT: + *value = zlib->total_out; + break; + case MZ_STREAM_PROP_HEADER_SIZE: + *value = 0; + break; + case MZ_STREAM_PROP_COMPRESS_WINDOW: + *value = zlib->window_bits; + break; + default: + return MZ_EXIST_ERROR; + } + return MZ_OK; +} + +int32_t mz_stream_zlib_set_prop_int64(void *stream, int32_t prop, int64_t value) { + mz_stream_zlib *zlib = (mz_stream_zlib *)stream; + switch (prop) { + case MZ_STREAM_PROP_COMPRESS_LEVEL: + zlib->level = (int16_t)value; + break; + case MZ_STREAM_PROP_TOTAL_IN_MAX: + zlib->max_total_in = value; + break; + case MZ_STREAM_PROP_COMPRESS_WINDOW: + zlib->window_bits = (int32_t)value; + break; + default: + return MZ_EXIST_ERROR; + } + return MZ_OK; +} + +void *mz_stream_zlib_create(void **stream) { + mz_stream_zlib *zlib = NULL; + + zlib = (mz_stream_zlib *)MZ_ALLOC(sizeof(mz_stream_zlib)); + if (zlib != NULL) { + memset(zlib, 0, sizeof(mz_stream_zlib)); + zlib->stream.vtbl = &mz_stream_zlib_vtbl; + zlib->level = Z_DEFAULT_COMPRESSION; + zlib->window_bits = -MAX_WBITS; + } + if (stream != NULL) + *stream = zlib; + + return zlib; +} + +void mz_stream_zlib_delete(void **stream) { + mz_stream_zlib *zlib = NULL; + if (stream == NULL) + return; + zlib = (mz_stream_zlib *)*stream; + if (zlib != NULL) + MZ_FREE(zlib); + *stream = NULL; +} + +void *mz_stream_zlib_get_interface(void) { + return (void *)&mz_stream_zlib_vtbl; +} diff --git a/Externals/minizip/mz_strm_zlib.h b/Externals/minizip/mz_strm_zlib.h new file mode 100644 index 0000000000..47f74804fb --- /dev/null +++ b/Externals/minizip/mz_strm_zlib.h @@ -0,0 +1,43 @@ +/* mz_strm_zlib.h -- Stream for zlib inflate/deflate + part of the minizip-ng project + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. +*/ + +#ifndef MZ_STREAM_ZLIB_H +#define MZ_STREAM_ZLIB_H + +#ifdef __cplusplus +extern "C" { +#endif + +/***************************************************************************/ + +int32_t mz_stream_zlib_open(void *stream, const char *filename, int32_t mode); +int32_t mz_stream_zlib_is_open(void *stream); +int32_t mz_stream_zlib_read(void *stream, void *buf, int32_t size); +int32_t mz_stream_zlib_write(void *stream, const void *buf, int32_t size); +int64_t mz_stream_zlib_tell(void *stream); +int32_t mz_stream_zlib_seek(void *stream, int64_t offset, int32_t origin); +int32_t mz_stream_zlib_close(void *stream); +int32_t mz_stream_zlib_error(void *stream); + +int32_t mz_stream_zlib_get_prop_int64(void *stream, int32_t prop, int64_t *value); +int32_t mz_stream_zlib_set_prop_int64(void *stream, int32_t prop, int64_t value); + +void* mz_stream_zlib_create(void **stream); +void mz_stream_zlib_delete(void **stream); + +void* mz_stream_zlib_get_interface(void); + +/***************************************************************************/ + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/Externals/minizip/mz_strm_zstd.c b/Externals/minizip/mz_strm_zstd.c new file mode 100644 index 0000000000..4c9c335618 --- /dev/null +++ b/Externals/minizip/mz_strm_zstd.c @@ -0,0 +1,351 @@ +/* mz_strm_zstd.c -- Stream for zstd compress/decompress + part of the minizip-ng project + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + Authors: Force Charlie + https://github.com/fcharlie + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. +*/ + +#include "mz.h" +#include "mz_strm.h" +#include "mz_strm_zstd.h" + +#include <zstd.h> + +/***************************************************************************/ + +static mz_stream_vtbl mz_stream_zstd_vtbl = { + mz_stream_zstd_open, + mz_stream_zstd_is_open, + mz_stream_zstd_read, + mz_stream_zstd_write, + mz_stream_zstd_tell, + mz_stream_zstd_seek, + mz_stream_zstd_close, + mz_stream_zstd_error, + mz_stream_zstd_create, + mz_stream_zstd_delete, + mz_stream_zstd_get_prop_int64, + mz_stream_zstd_set_prop_int64 +}; + +/***************************************************************************/ + +typedef struct mz_stream_zstd_s { + mz_stream stream; + ZSTD_CStream *zcstream; + ZSTD_DStream *zdstream; + ZSTD_outBuffer out; + ZSTD_inBuffer in; + int32_t mode; + int32_t error; + uint8_t buffer[INT16_MAX]; + int32_t buffer_len; + int64_t total_in; + int64_t total_out; + int64_t max_total_in; + int64_t max_total_out; + int8_t initialized; + uint32_t preset; +} mz_stream_zstd; + +/***************************************************************************/ + +int32_t mz_stream_zstd_open(void *stream, const char *path, int32_t mode) { + mz_stream_zstd *zstd = (mz_stream_zstd *)stream; + + MZ_UNUSED(path); + + if (mode & MZ_OPEN_MODE_WRITE) { +#ifdef MZ_ZIP_NO_COMPRESSION + return MZ_SUPPORT_ERROR; +#else + zstd->zcstream = ZSTD_createCStream(); + zstd->out.dst = zstd->buffer; + zstd->out.size = sizeof(zstd->buffer); + zstd->out.pos = 0; +#endif + } else if (mode & MZ_OPEN_MODE_READ) { +#ifdef MZ_ZIP_NO_DECOMPRESSION + return MZ_SUPPORT_ERROR; +#else + zstd->zdstream = ZSTD_createDStream(); + memset(&zstd->out, 0, sizeof(ZSTD_outBuffer)); +#endif + } + + memset(&zstd->in, 0, sizeof(ZSTD_inBuffer)); + + zstd->initialized = 1; + zstd->mode = mode; + zstd->error = MZ_OK; + + return MZ_OK; +} + +int32_t mz_stream_zstd_is_open(void *stream) { + mz_stream_zstd *zstd = (mz_stream_zstd *)stream; + if (zstd->initialized != 1) + return MZ_OPEN_ERROR; + return MZ_OK; +} + +int32_t mz_stream_zstd_read(void *stream, void *buf, int32_t size) { +#ifdef MZ_ZIP_NO_DECOMPRESSION + MZ_UNUSED(stream); + MZ_UNUSED(buf); + MZ_UNUSED(size); + return MZ_SUPPORT_ERROR; +#else + mz_stream_zstd *zstd = (mz_stream_zstd *)stream; + uint64_t total_in_before = 0; + uint64_t total_in_after = 0; + uint64_t total_out_before = 0; + uint64_t total_out_after = 0; + int32_t total_in = 0; + int32_t total_out = 0; + int32_t in_bytes = 0; + int32_t out_bytes = 0; + int32_t bytes_to_read = sizeof(zstd->buffer); + int32_t read = 0; + size_t result = 0; + + zstd->out.dst = (void*)buf; + zstd->out.size = (size_t)size; + zstd->out.pos = 0; + + do { + if (zstd->in.pos == zstd->in.size) { + if (zstd->max_total_in > 0) { + if ((int64_t)bytes_to_read > (zstd->max_total_in - zstd->total_in)) + bytes_to_read = (int32_t)(zstd->max_total_in - zstd->total_in); + } + + read = mz_stream_read(zstd->stream.base, zstd->buffer, bytes_to_read); + + if (read < 0) + return read; + + zstd->in.src = (const void*)zstd->buffer; + zstd->in.pos = 0; + zstd->in.size = (size_t)read; + } + + total_in_before = zstd->in.pos; + total_out_before = zstd->out.pos; + + result = ZSTD_decompressStream(zstd->zdstream, &zstd->out, &zstd->in); + + if (ZSTD_isError(result)) { + zstd->error = (int32_t)result; + return MZ_DATA_ERROR; + } + + total_in_after = zstd->in.pos; + total_out_after = zstd->out.pos; + if ((zstd->max_total_out != -1) && (int64_t)total_out_after > zstd->max_total_out) + total_out_after = (uint64_t)zstd->max_total_out; + + in_bytes = (int32_t)(total_in_after - total_in_before); + out_bytes = (int32_t)(total_out_after - total_out_before); + + total_in += in_bytes; + total_out += out_bytes; + + zstd->total_in += in_bytes; + zstd->total_out += out_bytes; + + } while ((zstd->in.size > 0 || out_bytes > 0) && (zstd->out.pos < zstd->out.size)); + + return total_out; +#endif +} + +#ifndef MZ_ZIP_NO_COMPRESSION +static int32_t mz_stream_zstd_flush(void *stream) { + mz_stream_zstd *zstd = (mz_stream_zstd *)stream; + if (mz_stream_write(zstd->stream.base, zstd->buffer, zstd->buffer_len) != zstd->buffer_len) + return MZ_WRITE_ERROR; + return MZ_OK; +} + +static int32_t mz_stream_zstd_compress(void *stream, ZSTD_EndDirective flush) { + mz_stream_zstd *zstd = (mz_stream_zstd *)stream; + uint64_t total_out_before = 0; + uint64_t total_out_after = 0; + int32_t out_bytes = 0; + size_t result = 0; + int32_t err = 0; + + do { + if (zstd->out.pos == zstd->out.size) { + err = mz_stream_zstd_flush(zstd); + if (err != MZ_OK) + return err; + + zstd->out.dst = zstd->buffer; + zstd->out.size = sizeof(zstd->buffer); + zstd->out.pos = 0; + + zstd->buffer_len = 0; + } + + total_out_before = zstd->out.pos; + + result = ZSTD_compressStream2(zstd->zcstream, &zstd->out, &zstd->in, flush); + + total_out_after = zstd->out.pos; + + out_bytes = (uint32_t)(total_out_after - total_out_before); + + zstd->buffer_len += out_bytes; + zstd->total_out += out_bytes; + + if (ZSTD_isError(result)) { + zstd->error = (int32_t)result; + return MZ_DATA_ERROR; + } + } while ((zstd->in.pos < zstd->in.size) || (flush == ZSTD_e_end && result != 0)); + + return MZ_OK; +} +#endif + +int32_t mz_stream_zstd_write(void *stream, const void *buf, int32_t size) { +#ifdef MZ_ZIP_NO_COMPRESSION + MZ_UNUSED(stream); + MZ_UNUSED(buf); + MZ_UNUSED(size); + return MZ_SUPPORT_ERROR; +#else + mz_stream_zstd *zstd = (mz_stream_zstd *)stream; + int32_t err = MZ_OK; + + zstd->in.src = buf; + zstd->in.pos = 0; + zstd->in.size = size; + + err = mz_stream_zstd_compress(stream, ZSTD_e_continue); + if (err != MZ_OK) { + return err; + } + + zstd->total_in += size; + return size; +#endif +} + +int64_t mz_stream_zstd_tell(void *stream) { + MZ_UNUSED(stream); + + return MZ_TELL_ERROR; +} + +int32_t mz_stream_zstd_seek(void *stream, int64_t offset, int32_t origin) { + MZ_UNUSED(stream); + MZ_UNUSED(offset); + MZ_UNUSED(origin); + + return MZ_SEEK_ERROR; +} + +int32_t mz_stream_zstd_close(void *stream) { + mz_stream_zstd *zstd = (mz_stream_zstd *)stream; + + if (zstd->mode & MZ_OPEN_MODE_WRITE) { +#ifdef MZ_ZIP_NO_COMPRESSION + return MZ_SUPPORT_ERROR; +#else + mz_stream_zstd_compress(stream, ZSTD_e_end); + mz_stream_zstd_flush(stream); + + ZSTD_freeCStream(zstd->zcstream); + zstd->zcstream = NULL; +#endif + } else if (zstd->mode & MZ_OPEN_MODE_READ) { +#ifdef MZ_ZIP_NO_DECOMPRESSION + return MZ_SUPPORT_ERROR; +#else + ZSTD_freeDStream(zstd->zdstream); + zstd->zdstream = NULL; +#endif + } + zstd->initialized = 0; + return MZ_OK; +} + +int32_t mz_stream_zstd_error(void *stream) { + mz_stream_zstd *zstd = (mz_stream_zstd *)stream; + return zstd->error; +} + +int32_t mz_stream_zstd_get_prop_int64(void *stream, int32_t prop, int64_t *value) { + mz_stream_zstd *zstd = (mz_stream_zstd *)stream; + switch (prop) { + case MZ_STREAM_PROP_TOTAL_IN: + *value = zstd->total_in; + break; + case MZ_STREAM_PROP_TOTAL_IN_MAX: + *value = zstd->max_total_in; + break; + case MZ_STREAM_PROP_TOTAL_OUT: + *value = zstd->total_out; + break; + case MZ_STREAM_PROP_TOTAL_OUT_MAX: + *value = zstd->max_total_out; + break; + case MZ_STREAM_PROP_HEADER_SIZE: + *value = 0; + break; + default: + return MZ_EXIST_ERROR; + } + return MZ_OK; +} + +int32_t mz_stream_zstd_set_prop_int64(void *stream, int32_t prop, int64_t value) { + mz_stream_zstd *zstd = (mz_stream_zstd *)stream; + switch (prop) { + case MZ_STREAM_PROP_COMPRESS_LEVEL: + if (value < 0) + zstd->preset = 6; + else + zstd->preset = (int16_t)value; + return MZ_OK; + case MZ_STREAM_PROP_TOTAL_IN_MAX: + zstd->max_total_in = value; + return MZ_OK; + } + return MZ_EXIST_ERROR; +} + +void *mz_stream_zstd_create(void **stream) { + mz_stream_zstd *zstd = NULL; + zstd = (mz_stream_zstd *)MZ_ALLOC(sizeof(mz_stream_zstd)); + if (zstd != NULL) { + memset(zstd, 0, sizeof(mz_stream_zstd)); + zstd->stream.vtbl = &mz_stream_zstd_vtbl; + zstd->max_total_out = -1; + } + if (stream != NULL) + *stream = zstd; + return zstd; +} + +void mz_stream_zstd_delete(void **stream) { + mz_stream_zstd *zstd = NULL; + if (stream == NULL) + return; + zstd = (mz_stream_zstd *)*stream; + if (zstd != NULL) + MZ_FREE(zstd); + *stream = NULL; +} + +void *mz_stream_zstd_get_interface(void) { + return (void *)&mz_stream_zstd_vtbl; +} diff --git a/Externals/minizip/mz_strm_zstd.h b/Externals/minizip/mz_strm_zstd.h new file mode 100644 index 0000000000..3587083548 --- /dev/null +++ b/Externals/minizip/mz_strm_zstd.h @@ -0,0 +1,44 @@ +/* mz_strm_zlib.h -- Stream for zlib inflate/deflate + Version 2.9.2, February 12, 2020 + part of the minizip-ng project + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. +*/ + +#ifndef MZ_STREAM_ZSTD_H +#define MZ_STREAM_ZSTD_H + +#ifdef __cplusplus +extern "C" { +#endif + +/***************************************************************************/ + +int32_t mz_stream_zstd_open(void *stream, const char *filename, int32_t mode); +int32_t mz_stream_zstd_is_open(void *stream); +int32_t mz_stream_zstd_read(void *stream, void *buf, int32_t size); +int32_t mz_stream_zstd_write(void *stream, const void *buf, int32_t size); +int64_t mz_stream_zstd_tell(void *stream); +int32_t mz_stream_zstd_seek(void *stream, int64_t offset, int32_t origin); +int32_t mz_stream_zstd_close(void *stream); +int32_t mz_stream_zstd_error(void *stream); + +int32_t mz_stream_zstd_get_prop_int64(void *stream, int32_t prop, int64_t *value); +int32_t mz_stream_zstd_set_prop_int64(void *stream, int32_t prop, int64_t value); + +void* mz_stream_zstd_create(void **stream); +void mz_stream_zstd_delete(void **stream); + +void* mz_stream_zstd_get_interface(void); + +/***************************************************************************/ + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/Externals/minizip/mz_zip.c b/Externals/minizip/mz_zip.c new file mode 100644 index 0000000000..cc4f57d0b3 --- /dev/null +++ b/Externals/minizip/mz_zip.c @@ -0,0 +1,2771 @@ +/* zip.c -- Zip manipulation + part of the minizip-ng project + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + Copyright (C) 2009-2010 Mathias Svensson + Modifications for Zip64 support + http://result42.com + Copyright (C) 2007-2008 Even Rouault + Modifications of Unzip for Zip64 + Copyright (C) 1998-2010 Gilles Vollant + https://www.winimage.com/zLibDll/minizip.html + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. +*/ + + +#include "mz.h" +#include "mz_crypt.h" +#include "mz_strm.h" +#ifdef HAVE_BZIP2 +# include "mz_strm_bzip.h" +#endif +#ifdef HAVE_LIBCOMP +# include "mz_strm_libcomp.h" +#endif +#ifdef HAVE_LZMA +# include "mz_strm_lzma.h" +#endif +#include "mz_strm_mem.h" +#ifdef HAVE_PKCRYPT +# include "mz_strm_pkcrypt.h" +#endif +#ifdef HAVE_WZAES +# include "mz_strm_wzaes.h" +#endif +#ifdef HAVE_ZLIB +# include "mz_strm_zlib.h" +#endif +#ifdef HAVE_ZSTD +# include "mz_strm_zstd.h" +#endif + +#include "mz_zip.h" + +#include <ctype.h> /* tolower */ +#include <stdio.h> /* snprintf */ + +#if defined(_MSC_VER) || defined(__MINGW32__) +# define localtime_r(t1,t2) (localtime_s(t2,t1) == 0 ? t1 : NULL) +#endif +#if defined(_MSC_VER) && (_MSC_VER < 1900) +# define snprintf _snprintf +#endif + +/***************************************************************************/ + +#define MZ_ZIP_MAGIC_LOCALHEADER (0x04034b50) +#define MZ_ZIP_MAGIC_LOCALHEADERU8 { 0x50, 0x4b, 0x03, 0x04 } +#define MZ_ZIP_MAGIC_CENTRALHEADER (0x02014b50) +#define MZ_ZIP_MAGIC_CENTRALHEADERU8 { 0x50, 0x4b, 0x01, 0x02 } +#define MZ_ZIP_MAGIC_ENDHEADER (0x06054b50) +#define MZ_ZIP_MAGIC_ENDHEADERU8 { 0x50, 0x4b, 0x05, 0x06 } +#define MZ_ZIP_MAGIC_ENDHEADER64 (0x06064b50) +#define MZ_ZIP_MAGIC_ENDLOCHEADER64 (0x07064b50) +#define MZ_ZIP_MAGIC_DATADESCRIPTOR (0x08074b50) +#define MZ_ZIP_MAGIC_DATADESCRIPTORU8 { 0x50, 0x4b, 0x07, 0x08 } + +#define MZ_ZIP_SIZE_LD_ITEM (30) +#define MZ_ZIP_SIZE_CD_ITEM (46) +#define MZ_ZIP_SIZE_CD_LOCATOR64 (20) +#define MZ_ZIP_SIZE_MAX_DATA_DESCRIPTOR (24) + +#define MZ_ZIP_OFFSET_CRC_SIZES (14) +#define MZ_ZIP_UNCOMPR_SIZE64_CUSHION (2 * 1024 * 1024) + +#ifndef MZ_ZIP_EOCD_MAX_BACK +#define MZ_ZIP_EOCD_MAX_BACK (1 << 20) +#endif + +/***************************************************************************/ + +typedef struct mz_zip_s { + mz_zip_file file_info; + mz_zip_file local_file_info; + + void *stream; /* main stream */ + void *cd_stream; /* pointer to the stream with the cd */ + void *cd_mem_stream; /* memory stream for central directory */ + void *compress_stream; /* compression stream */ + void *crypt_stream; /* encryption stream */ + void *file_info_stream; /* memory stream for storing file info */ + void *local_file_info_stream; /* memory stream for storing local file info */ + + int32_t open_mode; + uint8_t recover; + uint8_t data_descriptor; + + uint32_t disk_number_with_cd; /* number of the disk with the central dir */ + int64_t disk_offset_shift; /* correction for zips that have wrong offset start of cd */ + + int64_t cd_start_pos; /* pos of the first file in the central dir stream */ + int64_t cd_current_pos; /* pos of the current file in the central dir */ + int64_t cd_offset; /* offset of start of central directory */ + int64_t cd_size; /* size of the central directory */ + uint32_t cd_signature; /* signature of central directory */ + + uint8_t entry_scanned; /* entry header information read ok */ + uint8_t entry_opened; /* entry is open for read/write */ + uint8_t entry_raw; /* entry opened with raw mode */ + uint32_t entry_crc32; /* entry crc32 */ + + uint64_t number_entry; + + uint16_t version_madeby; + char *comment; +} mz_zip; + +/***************************************************************************/ + +#if 0 +# define mz_zip_print printf +#else +# define mz_zip_print(fmt,...) +#endif + +/***************************************************************************/ + +/* Locate the end of central directory */ +static int32_t mz_zip_search_eocd(void *stream, int64_t *central_pos) { + int64_t file_size = 0; + int64_t max_back = MZ_ZIP_EOCD_MAX_BACK; + uint8_t find[4] = MZ_ZIP_MAGIC_ENDHEADERU8; + int32_t err = MZ_OK; + + err = mz_stream_seek(stream, 0, MZ_SEEK_END); + if (err != MZ_OK) + return err; + + file_size = mz_stream_tell(stream); + + if (max_back <= 0 || max_back > file_size) + max_back = file_size; + + return mz_stream_find_reverse(stream, (const void *)find, sizeof(find), max_back, central_pos); +} + +/* Locate the end of central directory 64 of a zip file */ +static int32_t mz_zip_search_zip64_eocd(void *stream, const int64_t end_central_offset, int64_t *central_pos) { + int64_t offset = 0; + uint32_t value32 = 0; + int32_t err = MZ_OK; + + + *central_pos = 0; + + /* Zip64 end of central directory locator */ + err = mz_stream_seek(stream, end_central_offset - MZ_ZIP_SIZE_CD_LOCATOR64, MZ_SEEK_SET); + /* Read locator signature */ + if (err == MZ_OK) { + err = mz_stream_read_uint32(stream, &value32); + if (value32 != MZ_ZIP_MAGIC_ENDLOCHEADER64) + err = MZ_FORMAT_ERROR; + } + /* Number of the disk with the start of the zip64 end of central directory */ + if (err == MZ_OK) + err = mz_stream_read_uint32(stream, &value32); + /* Relative offset of the zip64 end of central directory record8 */ + if (err == MZ_OK) + err = mz_stream_read_uint64(stream, (uint64_t *)&offset); + /* Total number of disks */ + if (err == MZ_OK) + err = mz_stream_read_uint32(stream, &value32); + /* Goto end of central directory record */ + if (err == MZ_OK) + err = mz_stream_seek(stream, (int64_t)offset, MZ_SEEK_SET); + /* The signature */ + if (err == MZ_OK) { + err = mz_stream_read_uint32(stream, &value32); + if (value32 != MZ_ZIP_MAGIC_ENDHEADER64) + err = MZ_FORMAT_ERROR; + } + + if (err == MZ_OK) + *central_pos = offset; + + return err; +} + +/* Get PKWARE traditional encryption verifier */ +static uint16_t mz_zip_get_pk_verify(uint32_t dos_date, uint64_t crc, uint16_t flag) +{ + /* Info-ZIP modification to ZipCrypto format: if bit 3 of the general + * purpose bit flag is set, it uses high byte of 16-bit File Time. */ + if (flag & MZ_ZIP_FLAG_DATA_DESCRIPTOR) + return ((dos_date >> 16) & 0xff) << 8 | ((dos_date >> 8) & 0xff); + return ((crc >> 16) & 0xff) << 8 | ((crc >> 24) & 0xff); +} + +/* Get info about the current file in the zip file */ +static int32_t mz_zip_entry_read_header(void *stream, uint8_t local, mz_zip_file *file_info, void *file_extra_stream) { + uint64_t ntfs_time = 0; + uint32_t reserved = 0; + uint32_t magic = 0; + uint32_t dos_date = 0; + uint32_t field_pos = 0; + uint16_t field_type = 0; + uint16_t field_length = 0; + uint32_t field_length_read = 0; + uint16_t ntfs_attrib_id = 0; + uint16_t ntfs_attrib_size = 0; + uint16_t linkname_size; + uint16_t value16 = 0; + uint32_t value32 = 0; + int64_t extrafield_pos = 0; + int64_t comment_pos = 0; + int64_t linkname_pos = 0; + int64_t saved_pos = 0; + int32_t err = MZ_OK; + char *linkname = NULL; + + + memset(file_info, 0, sizeof(mz_zip_file)); + + /* Check the magic */ + err = mz_stream_read_uint32(stream, &magic); + if (err == MZ_END_OF_STREAM) + err = MZ_END_OF_LIST; + else if (magic == MZ_ZIP_MAGIC_ENDHEADER || magic == MZ_ZIP_MAGIC_ENDHEADER64) + err = MZ_END_OF_LIST; + else if ((local) && (magic != MZ_ZIP_MAGIC_LOCALHEADER)) + err = MZ_FORMAT_ERROR; + else if ((!local) && (magic != MZ_ZIP_MAGIC_CENTRALHEADER)) + err = MZ_FORMAT_ERROR; + + /* Read header fields */ + if (err == MZ_OK) { + if (!local) + err = mz_stream_read_uint16(stream, &file_info->version_madeby); + if (err == MZ_OK) + err = mz_stream_read_uint16(stream, &file_info->version_needed); + if (err == MZ_OK) + err = mz_stream_read_uint16(stream, &file_info->flag); + if (err == MZ_OK) + err = mz_stream_read_uint16(stream, &file_info->compression_method); + if (err == MZ_OK) { + err = mz_stream_read_uint32(stream, &dos_date); + file_info->modified_date = mz_zip_dosdate_to_time_t(dos_date); + } + if (err == MZ_OK) + err = mz_stream_read_uint32(stream, &file_info->crc); +#ifdef HAVE_PKCRYPT + if (err == MZ_OK && file_info->flag & MZ_ZIP_FLAG_ENCRYPTED) { + /* Use dos_date from header instead of derived from time in zip extensions */ + file_info->pk_verify = mz_zip_get_pk_verify(dos_date, file_info->crc, file_info->flag); + } +#endif + if (err == MZ_OK) { + err = mz_stream_read_uint32(stream, &value32); + file_info->compressed_size = value32; + } + if (err == MZ_OK) { + err = mz_stream_read_uint32(stream, &value32); + file_info->uncompressed_size = value32; + } + if (err == MZ_OK) + err = mz_stream_read_uint16(stream, &file_info->filename_size); + if (err == MZ_OK) + err = mz_stream_read_uint16(stream, &file_info->extrafield_size); + if (!local) { + if (err == MZ_OK) + err = mz_stream_read_uint16(stream, &file_info->comment_size); + if (err == MZ_OK) { + err = mz_stream_read_uint16(stream, &value16); + file_info->disk_number = value16; + } + if (err == MZ_OK) + err = mz_stream_read_uint16(stream, &file_info->internal_fa); + if (err == MZ_OK) + err = mz_stream_read_uint32(stream, &file_info->external_fa); + if (err == MZ_OK) { + err = mz_stream_read_uint32(stream, &value32); + file_info->disk_offset = value32; + } + } + } + + if (err == MZ_OK) + err = mz_stream_seek(file_extra_stream, 0, MZ_SEEK_SET); + + /* Copy variable length data to memory stream for later retrieval */ + if ((err == MZ_OK) && (file_info->filename_size > 0)) + err = mz_stream_copy(file_extra_stream, stream, file_info->filename_size); + mz_stream_write_uint8(file_extra_stream, 0); + extrafield_pos = mz_stream_tell(file_extra_stream); + + if ((err == MZ_OK) && (file_info->extrafield_size > 0)) + err = mz_stream_copy(file_extra_stream, stream, file_info->extrafield_size); + mz_stream_write_uint8(file_extra_stream, 0); + + comment_pos = mz_stream_tell(file_extra_stream); + if ((err == MZ_OK) && (file_info->comment_size > 0)) + err = mz_stream_copy(file_extra_stream, stream, file_info->comment_size); + mz_stream_write_uint8(file_extra_stream, 0); + + linkname_pos = mz_stream_tell(file_extra_stream); + /* Overwrite if we encounter UNIX1 extra block */ + mz_stream_write_uint8(file_extra_stream, 0); + + if ((err == MZ_OK) && (file_info->extrafield_size > 0)) { + /* Seek to and parse the extra field */ + err = mz_stream_seek(file_extra_stream, extrafield_pos, MZ_SEEK_SET); + + while ((err == MZ_OK) && (field_pos + 4 <= file_info->extrafield_size)) { + err = mz_zip_extrafield_read(file_extra_stream, &field_type, &field_length); + if (err != MZ_OK) + break; + field_pos += 4; + + /* Don't allow field length to exceed size of remaining extrafield */ + if (field_length > (file_info->extrafield_size - field_pos)) + field_length = (uint16_t)(file_info->extrafield_size - field_pos); + + /* Read ZIP64 extra field */ + if ((field_type == MZ_ZIP_EXTENSION_ZIP64) && (field_length >= 8)) { + if ((err == MZ_OK) && (file_info->uncompressed_size == UINT32_MAX)) { + err = mz_stream_read_int64(file_extra_stream, &file_info->uncompressed_size); + if (file_info->uncompressed_size < 0) + err = MZ_FORMAT_ERROR; + } + if ((err == MZ_OK) && (file_info->compressed_size == UINT32_MAX)) { + err = mz_stream_read_int64(file_extra_stream, &file_info->compressed_size); + if (file_info->compressed_size < 0) + err = MZ_FORMAT_ERROR; + } + if ((err == MZ_OK) && (file_info->disk_offset == UINT32_MAX)) { + err = mz_stream_read_int64(file_extra_stream, &file_info->disk_offset); + if (file_info->disk_offset < 0) + err = MZ_FORMAT_ERROR; + } + if ((err == MZ_OK) && (file_info->disk_number == UINT16_MAX)) + err = mz_stream_read_uint32(file_extra_stream, &file_info->disk_number); + } + /* Read NTFS extra field */ + else if ((field_type == MZ_ZIP_EXTENSION_NTFS) && (field_length > 4)) { + if (err == MZ_OK) + err = mz_stream_read_uint32(file_extra_stream, &reserved); + field_length_read = 4; + + while ((err == MZ_OK) && (field_length_read + 4 <= field_length)) { + err = mz_stream_read_uint16(file_extra_stream, &ntfs_attrib_id); + if (err == MZ_OK) + err = mz_stream_read_uint16(file_extra_stream, &ntfs_attrib_size); + field_length_read += 4; + + if ((err == MZ_OK) && (ntfs_attrib_id == 0x01) && (ntfs_attrib_size == 24)) { + err = mz_stream_read_uint64(file_extra_stream, &ntfs_time); + mz_zip_ntfs_to_unix_time(ntfs_time, &file_info->modified_date); + + if (err == MZ_OK) { + err = mz_stream_read_uint64(file_extra_stream, &ntfs_time); + mz_zip_ntfs_to_unix_time(ntfs_time, &file_info->accessed_date); + } + if (err == MZ_OK) { + err = mz_stream_read_uint64(file_extra_stream, &ntfs_time); + mz_zip_ntfs_to_unix_time(ntfs_time, &file_info->creation_date); + } + } else if ((err == MZ_OK) && (field_length_read + ntfs_attrib_size <= field_length)) { + err = mz_stream_seek(file_extra_stream, ntfs_attrib_size, MZ_SEEK_CUR); + } + + field_length_read += ntfs_attrib_size; + } + } + /* Read UNIX1 extra field */ + else if ((field_type == MZ_ZIP_EXTENSION_UNIX1) && (field_length >= 12)) { + if (err == MZ_OK) { + err = mz_stream_read_uint32(file_extra_stream, &value32); + if (err == MZ_OK && file_info->accessed_date == 0) + file_info->accessed_date = value32; + } + if (err == MZ_OK) { + err = mz_stream_read_uint32(file_extra_stream, &value32); + if (err == MZ_OK && file_info->modified_date == 0) + file_info->modified_date = value32; + } + if (err == MZ_OK) + err = mz_stream_read_uint16(file_extra_stream, &value16); /* User id */ + if (err == MZ_OK) + err = mz_stream_read_uint16(file_extra_stream, &value16); /* Group id */ + + /* Copy linkname to end of file extra stream so we can return null + terminated string */ + linkname_size = field_length - 12; + if ((err == MZ_OK) && (linkname_size > 0)) { + linkname = (char *)MZ_ALLOC(linkname_size); + if (linkname != NULL) { + if (mz_stream_read(file_extra_stream, linkname, linkname_size) != linkname_size) + err = MZ_READ_ERROR; + if (err == MZ_OK) { + saved_pos = mz_stream_tell(file_extra_stream); + + mz_stream_seek(file_extra_stream, linkname_pos, MZ_SEEK_SET); + mz_stream_write(file_extra_stream, linkname, linkname_size); + mz_stream_write_uint8(file_extra_stream, 0); + + mz_stream_seek(file_extra_stream, saved_pos, MZ_SEEK_SET); + } + MZ_FREE(linkname); + } + } + } +#ifdef HAVE_WZAES + /* Read AES extra field */ + else if ((field_type == MZ_ZIP_EXTENSION_AES) && (field_length == 7)) { + uint8_t value8 = 0; + /* Verify version info */ + err = mz_stream_read_uint16(file_extra_stream, &value16); + /* Support AE-1 and AE-2 */ + if (value16 != 1 && value16 != 2) + err = MZ_FORMAT_ERROR; + file_info->aes_version = value16; + if (err == MZ_OK) + err = mz_stream_read_uint8(file_extra_stream, &value8); + if ((char)value8 != 'A') + err = MZ_FORMAT_ERROR; + if (err == MZ_OK) + err = mz_stream_read_uint8(file_extra_stream, &value8); + if ((char)value8 != 'E') + err = MZ_FORMAT_ERROR; + /* Get AES encryption strength and actual compression method */ + if (err == MZ_OK) { + err = mz_stream_read_uint8(file_extra_stream, &value8); + file_info->aes_encryption_mode = value8; + } + if (err == MZ_OK) { + err = mz_stream_read_uint16(file_extra_stream, &value16); + file_info->compression_method = value16; + } + } +#endif + else if (field_length > 0) { + err = mz_stream_seek(file_extra_stream, field_length, MZ_SEEK_CUR); + } + + field_pos += field_length; + } + } + + /* Get pointers to variable length data */ + mz_stream_mem_get_buffer(file_extra_stream, (const void **)&file_info->filename); + mz_stream_mem_get_buffer_at(file_extra_stream, extrafield_pos, (const void **)&file_info->extrafield); + mz_stream_mem_get_buffer_at(file_extra_stream, comment_pos, (const void **)&file_info->comment); + mz_stream_mem_get_buffer_at(file_extra_stream, linkname_pos, (const void **)&file_info->linkname); + + /* Set to empty string just in-case */ + if (file_info->filename == NULL) + file_info->filename = ""; + if (file_info->extrafield == NULL) + file_info->extrafield_size = 0; + if (file_info->comment == NULL) + file_info->comment = ""; + if (file_info->linkname == NULL) + file_info->linkname = ""; + + if (err == MZ_OK) { + mz_zip_print("Zip - Entry - Read header - %s (local %" PRId8 ")\n", + file_info->filename, local); + mz_zip_print("Zip - Entry - Read header compress (ucs %" PRId64 " cs %" PRId64 " crc 0x%08" PRIx32 ")\n", + file_info->uncompressed_size, file_info->compressed_size, file_info->crc); + if (!local) { + mz_zip_print("Zip - Entry - Read header disk (disk %" PRIu32 " offset %" PRId64 ")\n", + file_info->disk_number, file_info->disk_offset); + } + mz_zip_print("Zip - Entry - Read header variable (fnl %" PRId32 " efs %" PRId32 " cms %" PRId32 ")\n", + file_info->filename_size, file_info->extrafield_size, file_info->comment_size); + } + + return err; +} + +static int32_t mz_zip_entry_read_descriptor(void *stream, uint8_t zip64, uint32_t *crc32, int64_t *compressed_size, int64_t *uncompressed_size) { + uint32_t value32 = 0; + int64_t value64 = 0; + int32_t err = MZ_OK; + + + err = mz_stream_read_uint32(stream, &value32); + if (value32 != MZ_ZIP_MAGIC_DATADESCRIPTOR) + err = MZ_FORMAT_ERROR; + if (err == MZ_OK) + err = mz_stream_read_uint32(stream, &value32); + if ((err == MZ_OK) && (crc32 != NULL)) + *crc32 = value32; + if (err == MZ_OK) { + /* If zip 64 extension is enabled then read as 8 byte */ + if (!zip64) { + err = mz_stream_read_uint32(stream, &value32); + value64 = value32; + } else { + err = mz_stream_read_int64(stream, &value64); + if (value64 < 0) + err = MZ_FORMAT_ERROR; + } + if ((err == MZ_OK) && (compressed_size != NULL)) + *compressed_size = value64; + } + if (err == MZ_OK) { + if (!zip64) { + err = mz_stream_read_uint32(stream, &value32); + value64 = value32; + } else { + err = mz_stream_read_int64(stream, &value64); + if (value64 < 0) + err = MZ_FORMAT_ERROR; + } + if ((err == MZ_OK) && (uncompressed_size != NULL)) + *uncompressed_size = value64; + } + + return err; +} + +static int32_t mz_zip_entry_write_crc_sizes(void *stream, uint8_t zip64, uint8_t mask, mz_zip_file *file_info) { + int32_t err = MZ_OK; + + if (mask) + err = mz_stream_write_uint32(stream, 0); + else + err = mz_stream_write_uint32(stream, file_info->crc); /* crc */ + + /* For backwards-compatibility with older zip applications we set all sizes to UINT32_MAX + * when zip64 is needed, instead of only setting sizes larger than UINT32_MAX. */ + + if (err == MZ_OK) { + if (zip64) /* compr size */ + err = mz_stream_write_uint32(stream, UINT32_MAX); + else + err = mz_stream_write_uint32(stream, (uint32_t)file_info->compressed_size); + } + if (err == MZ_OK) { + if (mask) /* uncompr size */ + err = mz_stream_write_uint32(stream, 0); + else if (zip64) + err = mz_stream_write_uint32(stream, UINT32_MAX); + else + err = mz_stream_write_uint32(stream, (uint32_t)file_info->uncompressed_size); + } + return err; +} + +static int32_t mz_zip_entry_needs_zip64(mz_zip_file *file_info, uint8_t local, uint8_t *zip64) { + uint32_t max_uncompressed_size = UINT32_MAX; + uint8_t needs_zip64 = 0; + + if (zip64 == NULL) + return MZ_PARAM_ERROR; + + *zip64 = 0; + + if (local) { + /* At local header we might not know yet whether compressed size will overflow unsigned + 32-bit integer which might happen for high entropy data so we give it some cushion */ + + max_uncompressed_size -= MZ_ZIP_UNCOMPR_SIZE64_CUSHION; + } + + needs_zip64 = (file_info->uncompressed_size >= max_uncompressed_size) || + (file_info->compressed_size >= UINT32_MAX); + + if (!local) { + /* Disk offset and number only used in central directory header */ + needs_zip64 |= (file_info->disk_offset >= UINT32_MAX) || + (file_info->disk_number >= UINT16_MAX); + } + + if (file_info->zip64 == MZ_ZIP64_AUTO) { + /* If uncompressed size is unknown, assume zip64 for 64-bit data descriptors */ + if (local && file_info->uncompressed_size == 0) { + /* Don't use zip64 for local header directory entries */ + if (mz_zip_attrib_is_dir(file_info->external_fa, file_info->version_madeby) != MZ_OK) { + *zip64 = 1; + } + } + *zip64 |= needs_zip64; + } else if (file_info->zip64 == MZ_ZIP64_FORCE) { + *zip64 = 1; + } else if (file_info->zip64 == MZ_ZIP64_DISABLE) { + /* Zip64 extension is required to zip file */ + if (needs_zip64) + return MZ_PARAM_ERROR; + } + + return MZ_OK; +} + +static int32_t mz_zip_entry_write_header(void *stream, uint8_t local, mz_zip_file *file_info) { + uint64_t ntfs_time = 0; + uint32_t reserved = 0; + uint32_t dos_date = 0; + uint16_t extrafield_size = 0; + uint16_t field_type = 0; + uint16_t field_length = 0; + uint16_t field_length_zip64 = 0; + uint16_t field_length_ntfs = 0; + uint16_t field_length_aes = 0; + uint16_t field_length_unix1 = 0; + uint16_t filename_size = 0; + uint16_t filename_length = 0; + uint16_t linkname_size = 0; + uint16_t version_needed = 0; + int32_t comment_size = 0; + int32_t err = MZ_OK; + int32_t err_mem = MZ_OK; + uint8_t zip64 = 0; + uint8_t skip_aes = 0; + uint8_t mask = 0; + uint8_t write_end_slash = 0; + const char *filename = NULL; + char masked_name[64]; + void *file_extra_stream = NULL; + + if (file_info == NULL) + return MZ_PARAM_ERROR; + + if ((local) && (file_info->flag & MZ_ZIP_FLAG_MASK_LOCAL_INFO)) + mask = 1; + + /* Determine if zip64 extra field is necessary */ + err = mz_zip_entry_needs_zip64(file_info, local, &zip64); + if (err != MZ_OK) + return err; + + /* Start calculating extra field sizes */ + if (zip64) { + /* Both compressed and uncompressed sizes must be included (at least in local header) */ + field_length_zip64 = 8 + 8; + if ((!local) && (file_info->disk_offset >= UINT32_MAX)) + field_length_zip64 += 8; + + extrafield_size += 4; + extrafield_size += field_length_zip64; + } + + /* Calculate extra field size and check for duplicates */ + if (file_info->extrafield_size > 0) { + mz_stream_mem_create(&file_extra_stream); + mz_stream_mem_set_buffer(file_extra_stream, (void *)file_info->extrafield, + file_info->extrafield_size); + + do { + err_mem = mz_stream_read_uint16(file_extra_stream, &field_type); + if (err_mem == MZ_OK) + err_mem = mz_stream_read_uint16(file_extra_stream, &field_length); + if (err_mem != MZ_OK) + break; + + /* Prefer incoming aes extensions over ours */ + if (field_type == MZ_ZIP_EXTENSION_AES) + skip_aes = 1; + + /* Prefer our zip64, ntfs, unix1 extension over incoming */ + if (field_type != MZ_ZIP_EXTENSION_ZIP64 && field_type != MZ_ZIP_EXTENSION_NTFS && + field_type != MZ_ZIP_EXTENSION_UNIX1) + extrafield_size += 4 + field_length; + + if (err_mem == MZ_OK) + err_mem = mz_stream_seek(file_extra_stream, field_length, MZ_SEEK_CUR); + } while (err_mem == MZ_OK); + } + +#ifdef HAVE_WZAES + if (!skip_aes) { + if ((file_info->flag & MZ_ZIP_FLAG_ENCRYPTED) && (file_info->aes_version)) { + field_length_aes = 1 + 1 + 1 + 2 + 2; + extrafield_size += 4 + field_length_aes; + } + } +#else + MZ_UNUSED(field_length_aes); + MZ_UNUSED(skip_aes); +#endif + /* NTFS timestamps */ + if ((file_info->modified_date != 0) && + (file_info->accessed_date != 0) && + (file_info->creation_date != 0) && (!mask)) { + field_length_ntfs = 8 + 8 + 8 + 4 + 2 + 2; + extrafield_size += 4 + field_length_ntfs; + } + + /* Unix1 symbolic links */ + if (file_info->linkname != NULL && *file_info->linkname != 0) { + linkname_size = (uint16_t)strlen(file_info->linkname); + field_length_unix1 = 12 + linkname_size; + extrafield_size += 4 + field_length_unix1; + } + + if (local) + err = mz_stream_write_uint32(stream, MZ_ZIP_MAGIC_LOCALHEADER); + else { + err = mz_stream_write_uint32(stream, MZ_ZIP_MAGIC_CENTRALHEADER); + if (err == MZ_OK) + err = mz_stream_write_uint16(stream, file_info->version_madeby); + } + + /* Calculate version needed to extract */ + if (err == MZ_OK) { + version_needed = file_info->version_needed; + if (version_needed == 0) { + version_needed = 20; + if (zip64) + version_needed = 45; +#ifdef HAVE_WZAES + if ((file_info->flag & MZ_ZIP_FLAG_ENCRYPTED) && (file_info->aes_version)) + version_needed = 51; +#endif +#if defined(HAVE_LZMA) || defined(HAVE_LIBCOMP) + if ((file_info->compression_method == MZ_COMPRESS_METHOD_LZMA) || + (file_info->compression_method == MZ_COMPRESS_METHOD_XZ)) + version_needed = 63; +#endif + } + err = mz_stream_write_uint16(stream, version_needed); + } + if (err == MZ_OK) + err = mz_stream_write_uint16(stream, file_info->flag); + if (err == MZ_OK) { +#ifdef HAVE_WZAES + if ((file_info->flag & MZ_ZIP_FLAG_ENCRYPTED) && (file_info->aes_version)) + err = mz_stream_write_uint16(stream, MZ_COMPRESS_METHOD_AES); + else +#endif + err = mz_stream_write_uint16(stream, file_info->compression_method); + } + if (err == MZ_OK) { + if (file_info->modified_date != 0 && !mask) + dos_date = mz_zip_time_t_to_dos_date(file_info->modified_date); + err = mz_stream_write_uint32(stream, dos_date); + } + + if (err == MZ_OK) + err = mz_zip_entry_write_crc_sizes(stream, zip64, mask, file_info); + + if (mask) { + snprintf(masked_name, sizeof(masked_name), "%" PRIx32 "_%" PRIx64, + file_info->disk_number, file_info->disk_offset); + filename = masked_name; + } else { + filename = file_info->filename; + } + + filename_length = (uint16_t)strlen(filename); + filename_size += filename_length; + + if ((mz_zip_attrib_is_dir(file_info->external_fa, file_info->version_madeby) == MZ_OK) && + ((filename[filename_length - 1] != '/') && (filename[filename_length - 1] != '\\'))) { + filename_size += 1; + write_end_slash = 1; + } + + if (err == MZ_OK) + err = mz_stream_write_uint16(stream, filename_size); + if (err == MZ_OK) + err = mz_stream_write_uint16(stream, extrafield_size); + + if (!local) { + if (file_info->comment != NULL) { + comment_size = (int32_t)strlen(file_info->comment); + if (comment_size > UINT16_MAX) + comment_size = UINT16_MAX; + } + if (err == MZ_OK) + err = mz_stream_write_uint16(stream, (uint16_t)comment_size); + if (err == MZ_OK) + err = mz_stream_write_uint16(stream, (uint16_t)file_info->disk_number); + if (err == MZ_OK) + err = mz_stream_write_uint16(stream, file_info->internal_fa); + if (err == MZ_OK) + err = mz_stream_write_uint32(stream, file_info->external_fa); + if (err == MZ_OK) { + if (file_info->disk_offset >= UINT32_MAX) + err = mz_stream_write_uint32(stream, UINT32_MAX); + else + err = mz_stream_write_uint32(stream, (uint32_t)file_info->disk_offset); + } + } + + if (err == MZ_OK) { + if (mz_stream_write(stream, filename, filename_length) != filename_length) + err = MZ_WRITE_ERROR; + + /* Ensure that directories have a slash appended to them for compatibility */ + if (err == MZ_OK && write_end_slash) + err = mz_stream_write_uint8(stream, '/'); + } + + /* Write ZIP64 extra field first so we can update sizes later if data descriptor not used */ + if ((err == MZ_OK) && (zip64)) { + err = mz_zip_extrafield_write(stream, MZ_ZIP_EXTENSION_ZIP64, field_length_zip64); + if (err == MZ_OK) { + if (mask) + err = mz_stream_write_int64(stream, 0); + else + err = mz_stream_write_int64(stream, file_info->uncompressed_size); + } + if (err == MZ_OK) + err = mz_stream_write_int64(stream, file_info->compressed_size); + if ((err == MZ_OK) && (!local) && (file_info->disk_offset >= UINT32_MAX)) + err = mz_stream_write_int64(stream, file_info->disk_offset); + if ((err == MZ_OK) && (!local) && (file_info->disk_number >= UINT16_MAX)) + err = mz_stream_write_uint32(stream, file_info->disk_number); + } + /* Write NTFS extra field */ + if ((err == MZ_OK) && (field_length_ntfs > 0)) { + err = mz_zip_extrafield_write(stream, MZ_ZIP_EXTENSION_NTFS, field_length_ntfs); + if (err == MZ_OK) + err = mz_stream_write_uint32(stream, reserved); + if (err == MZ_OK) + err = mz_stream_write_uint16(stream, 0x01); + if (err == MZ_OK) + err = mz_stream_write_uint16(stream, field_length_ntfs - 8); + if (err == MZ_OK) { + mz_zip_unix_to_ntfs_time(file_info->modified_date, &ntfs_time); + err = mz_stream_write_uint64(stream, ntfs_time); + } + if (err == MZ_OK) { + mz_zip_unix_to_ntfs_time(file_info->accessed_date, &ntfs_time); + err = mz_stream_write_uint64(stream, ntfs_time); + } + if (err == MZ_OK) { + mz_zip_unix_to_ntfs_time(file_info->creation_date, &ntfs_time); + err = mz_stream_write_uint64(stream, ntfs_time); + } + } + /* Write UNIX extra block extra field */ + if ((err == MZ_OK) && (field_length_unix1 > 0)) { + err = mz_zip_extrafield_write(stream, MZ_ZIP_EXTENSION_UNIX1, field_length_unix1); + if (err == MZ_OK) + err = mz_stream_write_uint32(stream, (uint32_t)file_info->accessed_date); + if (err == MZ_OK) + err = mz_stream_write_uint32(stream, (uint32_t)file_info->modified_date); + if (err == MZ_OK) /* User id */ + err = mz_stream_write_uint16(stream, 0); + if (err == MZ_OK) /* Group id */ + err = mz_stream_write_uint16(stream, 0); + if (err == MZ_OK && linkname_size > 0) { + if (mz_stream_write(stream, file_info->linkname, linkname_size) != linkname_size) + err = MZ_WRITE_ERROR; + } + } +#ifdef HAVE_WZAES + /* Write AES extra field */ + if ((err == MZ_OK) && (!skip_aes) && (file_info->flag & MZ_ZIP_FLAG_ENCRYPTED) && (file_info->aes_version)) { + err = mz_zip_extrafield_write(stream, MZ_ZIP_EXTENSION_AES, field_length_aes); + if (err == MZ_OK) + err = mz_stream_write_uint16(stream, file_info->aes_version); + if (err == MZ_OK) + err = mz_stream_write_uint8(stream, 'A'); + if (err == MZ_OK) + err = mz_stream_write_uint8(stream, 'E'); + if (err == MZ_OK) + err = mz_stream_write_uint8(stream, file_info->aes_encryption_mode); + if (err == MZ_OK) + err = mz_stream_write_uint16(stream, file_info->compression_method); + } +#endif + + if (file_info->extrafield_size > 0) { + err_mem = mz_stream_mem_seek(file_extra_stream, 0, MZ_SEEK_SET); + while (err == MZ_OK && err_mem == MZ_OK) { + err_mem = mz_stream_read_uint16(file_extra_stream, &field_type); + if (err_mem == MZ_OK) + err_mem = mz_stream_read_uint16(file_extra_stream, &field_length); + if (err_mem != MZ_OK) + break; + + /* Prefer our zip 64, ntfs, unix1 extensions over incoming */ + if (field_type == MZ_ZIP_EXTENSION_ZIP64 || field_type == MZ_ZIP_EXTENSION_NTFS || + field_type == MZ_ZIP_EXTENSION_UNIX1) { + err_mem = mz_stream_seek(file_extra_stream, field_length, MZ_SEEK_CUR); + continue; + } + + err = mz_stream_write_uint16(stream, field_type); + if (err == MZ_OK) + err = mz_stream_write_uint16(stream, field_length); + if (err == MZ_OK) + err = mz_stream_copy(stream, file_extra_stream, field_length); + } + + mz_stream_mem_delete(&file_extra_stream); + } + + if ((err == MZ_OK) && (!local) && (file_info->comment != NULL)) { + if (mz_stream_write(stream, file_info->comment, file_info->comment_size) != file_info->comment_size) + err = MZ_WRITE_ERROR; + } + + return err; +} + +static int32_t mz_zip_entry_write_descriptor(void *stream, uint8_t zip64, uint32_t crc32, int64_t compressed_size, int64_t uncompressed_size) { + int32_t err = MZ_OK; + + err = mz_stream_write_uint32(stream, MZ_ZIP_MAGIC_DATADESCRIPTOR); + if (err == MZ_OK) + err = mz_stream_write_uint32(stream, crc32); + + /* Store data descriptor as 8 bytes if zip 64 extension enabled */ + if (err == MZ_OK) { + /* Zip 64 extension is enabled when uncompressed size is > UINT32_MAX */ + if (!zip64) + err = mz_stream_write_uint32(stream, (uint32_t)compressed_size); + else + err = mz_stream_write_int64(stream, compressed_size); + } + if (err == MZ_OK) { + if (!zip64) + err = mz_stream_write_uint32(stream, (uint32_t)uncompressed_size); + else + err = mz_stream_write_int64(stream, uncompressed_size); + } + + return err; +} + +static int32_t mz_zip_read_cd(void *handle) { + mz_zip *zip = (mz_zip *)handle; + uint64_t number_entry_cd64 = 0; + uint64_t number_entry_cd = 0; + int64_t eocd_pos = 0; + int64_t eocd_pos64 = 0; + int64_t value64i = 0; + uint16_t value16 = 0; + uint32_t value32 = 0; + uint64_t value64 = 0; + uint16_t comment_size = 0; + int32_t comment_read = 0; + int32_t err = MZ_OK; + + + if (zip == NULL) + return MZ_PARAM_ERROR; + + /* Read and cache central directory records */ + err = mz_zip_search_eocd(zip->stream, &eocd_pos); + if (err == MZ_OK) { + /* The signature, already checked */ + err = mz_stream_read_uint32(zip->stream, &value32); + /* Number of this disk */ + if (err == MZ_OK) + err = mz_stream_read_uint16(zip->stream, &value16); + /* Number of the disk with the start of the central directory */ + if (err == MZ_OK) + err = mz_stream_read_uint16(zip->stream, &value16); + zip->disk_number_with_cd = value16; + /* Total number of entries in the central dir on this disk */ + if (err == MZ_OK) + err = mz_stream_read_uint16(zip->stream, &value16); + zip->number_entry = value16; + /* Total number of entries in the central dir */ + if (err == MZ_OK) + err = mz_stream_read_uint16(zip->stream, &value16); + number_entry_cd = value16; + if (number_entry_cd != zip->number_entry) + err = MZ_FORMAT_ERROR; + /* Size of the central directory */ + if (err == MZ_OK) + err = mz_stream_read_uint32(zip->stream, &value32); + if (err == MZ_OK) + zip->cd_size = value32; + /* Offset of start of central directory with respect to the starting disk number */ + if (err == MZ_OK) + err = mz_stream_read_uint32(zip->stream, &value32); + if (err == MZ_OK) + zip->cd_offset = value32; + /* Zip file global comment length */ + if (err == MZ_OK) + err = mz_stream_read_uint16(zip->stream, &comment_size); + if ((err == MZ_OK) && (comment_size > 0)) { + zip->comment = (char *)MZ_ALLOC(comment_size + 1); + if (zip->comment != NULL) { + comment_read = mz_stream_read(zip->stream, zip->comment, comment_size); + /* Don't fail if incorrect comment length read, not critical */ + if (comment_read < 0) + comment_read = 0; + zip->comment[comment_read] = 0; + } + } + + if ((err == MZ_OK) && ((number_entry_cd == UINT16_MAX) || (zip->cd_offset == UINT32_MAX))) { + /* Format should be Zip64, as the central directory or file size is too large */ + if (mz_zip_search_zip64_eocd(zip->stream, eocd_pos, &eocd_pos64) == MZ_OK) { + eocd_pos = eocd_pos64; + + err = mz_stream_seek(zip->stream, eocd_pos, MZ_SEEK_SET); + /* The signature, already checked */ + if (err == MZ_OK) + err = mz_stream_read_uint32(zip->stream, &value32); + /* Size of zip64 end of central directory record */ + if (err == MZ_OK) + err = mz_stream_read_uint64(zip->stream, &value64); + /* Version made by */ + if (err == MZ_OK) + err = mz_stream_read_uint16(zip->stream, &zip->version_madeby); + /* Version needed to extract */ + if (err == MZ_OK) + err = mz_stream_read_uint16(zip->stream, &value16); + /* Number of this disk */ + if (err == MZ_OK) + err = mz_stream_read_uint32(zip->stream, &value32); + /* Number of the disk with the start of the central directory */ + if (err == MZ_OK) + err = mz_stream_read_uint32(zip->stream, &zip->disk_number_with_cd); + /* Total number of entries in the central directory on this disk */ + if (err == MZ_OK) + err = mz_stream_read_uint64(zip->stream, &zip->number_entry); + /* Total number of entries in the central directory */ + if (err == MZ_OK) + err = mz_stream_read_uint64(zip->stream, &number_entry_cd64); + if (zip->number_entry != number_entry_cd64) + err = MZ_FORMAT_ERROR; + /* Size of the central directory */ + if (err == MZ_OK) { + err = mz_stream_read_int64(zip->stream, &zip->cd_size); + if (zip->cd_size < 0) + err = MZ_FORMAT_ERROR; + } + /* Offset of start of central directory with respect to the starting disk number */ + if (err == MZ_OK) { + err = mz_stream_read_int64(zip->stream, &zip->cd_offset); + if (zip->cd_offset < 0) + err = MZ_FORMAT_ERROR; + } + } else if ((zip->number_entry == UINT16_MAX) || (number_entry_cd != zip->number_entry) || + (zip->cd_size == UINT16_MAX) || (zip->cd_offset == UINT32_MAX)) { + err = MZ_FORMAT_ERROR; + } + } + } + + if (err == MZ_OK) { + mz_zip_print("Zip - Read cd (disk %" PRId32 " entries %" PRId64 " offset %" PRId64 " size %" PRId64 ")\n", + zip->disk_number_with_cd, zip->number_entry, zip->cd_offset, zip->cd_size); + + /* Verify central directory signature exists at offset */ + err = mz_stream_seek(zip->stream, zip->cd_offset, MZ_SEEK_SET); + if (err == MZ_OK) + err = mz_stream_read_uint32(zip->stream, &zip->cd_signature); + if ((err == MZ_OK) && (zip->cd_signature != MZ_ZIP_MAGIC_CENTRALHEADER)) { + /* If cd exists in large file and no zip-64 support, error for recover */ + if (eocd_pos > UINT32_MAX && eocd_pos64 == 0) + err = MZ_FORMAT_ERROR; + /* If cd not found attempt to seek backward to find it */ + if (err == MZ_OK) + err = mz_stream_seek(zip->stream, eocd_pos - zip->cd_size, MZ_SEEK_SET); + if (err == MZ_OK) + err = mz_stream_read_uint32(zip->stream, &zip->cd_signature); + if ((err == MZ_OK) && (zip->cd_signature == MZ_ZIP_MAGIC_CENTRALHEADER)) { + + /* If found compensate for incorrect locations */ + value64i = zip->cd_offset; + zip->cd_offset = eocd_pos - zip->cd_size; + /* Assume disk has prepended data */ + zip->disk_offset_shift = zip->cd_offset - value64i; + } + } + } + + if (err == MZ_OK) { + if (eocd_pos < zip->cd_offset) { + /* End of central dir should always come after central dir */ + err = MZ_FORMAT_ERROR; + } else if ((uint64_t)eocd_pos < (uint64_t)zip->cd_offset + zip->cd_size) { + /* Truncate size of cd if incorrect size or offset provided */ + zip->cd_size = eocd_pos - zip->cd_offset; + } + } + + return err; +} + +static int32_t mz_zip_write_cd(void *handle) { + mz_zip *zip = (mz_zip *)handle; + int64_t zip64_eocd_pos_inzip = 0; + int64_t disk_number = 0; + int64_t disk_size = 0; + int32_t comment_size = 0; + int32_t err = MZ_OK; + + + if (zip == NULL) + return MZ_PARAM_ERROR; + + if (mz_stream_get_prop_int64(zip->stream, MZ_STREAM_PROP_DISK_NUMBER, &disk_number) == MZ_OK) + zip->disk_number_with_cd = (uint32_t)disk_number; + if (mz_stream_get_prop_int64(zip->stream, MZ_STREAM_PROP_DISK_SIZE, &disk_size) == MZ_OK && disk_size > 0) + zip->disk_number_with_cd += 1; + mz_stream_set_prop_int64(zip->stream, MZ_STREAM_PROP_DISK_NUMBER, -1); + if ((zip->disk_number_with_cd > 0) && (zip->open_mode & MZ_OPEN_MODE_APPEND)) { + // Overwrite existing central directory if using split disks + mz_stream_seek(zip->stream, 0, MZ_SEEK_SET); + } + + zip->cd_offset = mz_stream_tell(zip->stream); + mz_stream_seek(zip->cd_mem_stream, 0, MZ_SEEK_END); + zip->cd_size = (uint32_t)mz_stream_tell(zip->cd_mem_stream); + mz_stream_seek(zip->cd_mem_stream, 0, MZ_SEEK_SET); + + err = mz_stream_copy(zip->stream, zip->cd_mem_stream, (int32_t)zip->cd_size); + + mz_zip_print("Zip - Write cd (disk %" PRId32 " entries %" PRId64 " offset %" PRId64 " size %" PRId64 ")\n", + zip->disk_number_with_cd, zip->number_entry, zip->cd_offset, zip->cd_size); + + if (zip->cd_size == 0 && zip->number_entry > 0) { + // Zip does not contain central directory, open with recovery option + return MZ_FORMAT_ERROR; + } + + /* Write the ZIP64 central directory header */ + if (zip->cd_offset >= UINT32_MAX || zip->number_entry >= UINT16_MAX) { + zip64_eocd_pos_inzip = mz_stream_tell(zip->stream); + + err = mz_stream_write_uint32(zip->stream, MZ_ZIP_MAGIC_ENDHEADER64); + + /* Size of this 'zip64 end of central directory' */ + if (err == MZ_OK) + err = mz_stream_write_uint64(zip->stream, (uint64_t)44); + /* Version made by */ + if (err == MZ_OK) + err = mz_stream_write_uint16(zip->stream, zip->version_madeby); + /* Version needed */ + if (err == MZ_OK) + err = mz_stream_write_uint16(zip->stream, (uint16_t)45); + /* Number of this disk */ + if (err == MZ_OK) + err = mz_stream_write_uint32(zip->stream, zip->disk_number_with_cd); + /* Number of the disk with the start of the central directory */ + if (err == MZ_OK) + err = mz_stream_write_uint32(zip->stream, zip->disk_number_with_cd); + /* Total number of entries in the central dir on this disk */ + if (err == MZ_OK) + err = mz_stream_write_uint64(zip->stream, zip->number_entry); + /* Total number of entries in the central dir */ + if (err == MZ_OK) + err = mz_stream_write_uint64(zip->stream, zip->number_entry); + /* Size of the central directory */ + if (err == MZ_OK) + err = mz_stream_write_int64(zip->stream, zip->cd_size); + /* Offset of start of central directory with respect to the starting disk number */ + if (err == MZ_OK) + err = mz_stream_write_int64(zip->stream, zip->cd_offset); + if (err == MZ_OK) + err = mz_stream_write_uint32(zip->stream, MZ_ZIP_MAGIC_ENDLOCHEADER64); + + /* Number of the disk with the start of the central directory */ + if (err == MZ_OK) + err = mz_stream_write_uint32(zip->stream, zip->disk_number_with_cd); + /* Relative offset to the end of zip64 central directory */ + if (err == MZ_OK) + err = mz_stream_write_int64(zip->stream, zip64_eocd_pos_inzip); + /* Number of the disk with the start of the central directory */ + if (err == MZ_OK) + err = mz_stream_write_uint32(zip->stream, zip->disk_number_with_cd + 1); + } + + /* Write the central directory header */ + + /* Signature */ + if (err == MZ_OK) + err = mz_stream_write_uint32(zip->stream, MZ_ZIP_MAGIC_ENDHEADER); + /* Number of this disk */ + if (err == MZ_OK) + err = mz_stream_write_uint16(zip->stream, (uint16_t)zip->disk_number_with_cd); + /* Number of the disk with the start of the central directory */ + if (err == MZ_OK) + err = mz_stream_write_uint16(zip->stream, (uint16_t)zip->disk_number_with_cd); + /* Total number of entries in the central dir on this disk */ + if (err == MZ_OK) { + if (zip->number_entry >= UINT16_MAX) + err = mz_stream_write_uint16(zip->stream, UINT16_MAX); + else + err = mz_stream_write_uint16(zip->stream, (uint16_t)zip->number_entry); + } + /* Total number of entries in the central dir */ + if (err == MZ_OK) { + if (zip->number_entry >= UINT16_MAX) + err = mz_stream_write_uint16(zip->stream, UINT16_MAX); + else + err = mz_stream_write_uint16(zip->stream, (uint16_t)zip->number_entry); + } + /* Size of the central directory */ + if (err == MZ_OK) + err = mz_stream_write_uint32(zip->stream, (uint32_t)zip->cd_size); + /* Offset of start of central directory with respect to the starting disk number */ + if (err == MZ_OK) { + if (zip->cd_offset >= UINT32_MAX) + err = mz_stream_write_uint32(zip->stream, UINT32_MAX); + else + err = mz_stream_write_uint32(zip->stream, (uint32_t)zip->cd_offset); + } + + /* Write global comment */ + if (zip->comment != NULL) { + comment_size = (int32_t)strlen(zip->comment); + if (comment_size > UINT16_MAX) + comment_size = UINT16_MAX; + } + if (err == MZ_OK) + err = mz_stream_write_uint16(zip->stream, (uint16_t)comment_size); + if (err == MZ_OK) { + if (mz_stream_write(zip->stream, zip->comment, comment_size) != comment_size) + err = MZ_READ_ERROR; + } + return err; +} + +static int32_t mz_zip_recover_cd(void *handle) { + mz_zip *zip = (mz_zip *)handle; + mz_zip_file local_file_info; + void *local_file_info_stream = NULL; + void *cd_mem_stream = NULL; + uint64_t number_entry = 0; + int64_t descriptor_pos = 0; + int64_t next_header_pos = 0; + int64_t disk_offset = 0; + int64_t disk_number = 0; + int64_t compressed_pos = 0; + int64_t compressed_end_pos = 0; + int64_t compressed_size = 0; + int64_t uncompressed_size = 0; + uint8_t descriptor_magic[4] = MZ_ZIP_MAGIC_DATADESCRIPTORU8; + uint8_t local_header_magic[4] = MZ_ZIP_MAGIC_LOCALHEADERU8; + uint8_t central_header_magic[4] = MZ_ZIP_MAGIC_CENTRALHEADERU8; + uint32_t crc32 = 0; + int32_t disk_number_with_cd = 0; + int32_t err = MZ_OK; + uint8_t zip64 = 0; + uint8_t eof = 0; + + + mz_zip_print("Zip - Recover - Start\n"); + + mz_zip_get_cd_mem_stream(handle, &cd_mem_stream); + + /* Determine if we are on a split disk or not */ + mz_stream_set_prop_int64(zip->stream, MZ_STREAM_PROP_DISK_NUMBER, 0); + if (mz_stream_tell(zip->stream) < 0) { + mz_stream_set_prop_int64(zip->stream, MZ_STREAM_PROP_DISK_NUMBER, -1); + mz_stream_seek(zip->stream, 0, MZ_SEEK_SET); + } else + disk_number_with_cd = 1; + + if (mz_stream_is_open(cd_mem_stream) != MZ_OK) + err = mz_stream_mem_open(cd_mem_stream, NULL, MZ_OPEN_MODE_CREATE); + + mz_stream_mem_create(&local_file_info_stream); + mz_stream_mem_open(local_file_info_stream, NULL, MZ_OPEN_MODE_CREATE); + + if (err == MZ_OK) { + err = mz_stream_find(zip->stream, (const void *)local_header_magic, sizeof(local_header_magic), + INT64_MAX, &next_header_pos); + } + + while (err == MZ_OK && !eof) { + /* Get current offset and disk number for central dir record */ + disk_offset = mz_stream_tell(zip->stream); + mz_stream_get_prop_int64(zip->stream, MZ_STREAM_PROP_DISK_NUMBER, &disk_number); + + /* Read local headers */ + memset(&local_file_info, 0, sizeof(local_file_info)); + err = mz_zip_entry_read_header(zip->stream, 1, &local_file_info, local_file_info_stream); + if (err != MZ_OK) + break; + + local_file_info.disk_offset = disk_offset; + if (disk_number < 0) + disk_number = 0; + local_file_info.disk_number = (uint32_t)disk_number; + + compressed_pos = mz_stream_tell(zip->stream); + + if ((err == MZ_OK) && (local_file_info.compressed_size > 0)) { + mz_stream_seek(zip->stream, local_file_info.compressed_size, MZ_SEEK_CUR); + } + + for (;;) { + /* Search for the next local header */ + err = mz_stream_find(zip->stream, (const void *)local_header_magic, sizeof(local_header_magic), + INT64_MAX, &next_header_pos); + + if (err == MZ_EXIST_ERROR) { + mz_stream_seek(zip->stream, compressed_pos, MZ_SEEK_SET); + + /* Search for central dir if no local header found */ + err = mz_stream_find(zip->stream, (const void *)central_header_magic, sizeof(central_header_magic), + INT64_MAX, &next_header_pos); + + if (err == MZ_EXIST_ERROR) { + /* Get end of stream if no central header found */ + mz_stream_seek(zip->stream, 0, MZ_SEEK_END); + next_header_pos = mz_stream_tell(zip->stream); + } + + eof = 1; + } + + if (local_file_info.flag & MZ_ZIP_FLAG_DATA_DESCRIPTOR || local_file_info.compressed_size == 0) { + /* Search backwards for the descriptor, seeking too far back will be incorrect if compressed size is small */ + err = mz_stream_find_reverse(zip->stream, (const void *)descriptor_magic, sizeof(descriptor_magic), + MZ_ZIP_SIZE_MAX_DATA_DESCRIPTOR, &descriptor_pos); + if (err == MZ_OK) { + if (mz_zip_extrafield_contains(local_file_info.extrafield, + local_file_info.extrafield_size, MZ_ZIP_EXTENSION_ZIP64, NULL) == MZ_OK) + zip64 = 1; + + err = mz_zip_entry_read_descriptor(zip->stream, zip64, &crc32, + &compressed_size, &uncompressed_size); + + if (err == MZ_OK) { + if (local_file_info.crc == 0) + local_file_info.crc = crc32; + if (local_file_info.compressed_size == 0) + local_file_info.compressed_size = compressed_size; + if (local_file_info.uncompressed_size == 0) + local_file_info.uncompressed_size = uncompressed_size; + } + + compressed_end_pos = descriptor_pos; + } else if (eof) { + compressed_end_pos = next_header_pos; + } else if (local_file_info.flag & MZ_ZIP_FLAG_DATA_DESCRIPTOR) { + /* Wrong local file entry found, keep searching */ + next_header_pos += 1; + mz_stream_seek(zip->stream, next_header_pos, MZ_SEEK_SET); + continue; + } + } else { + compressed_end_pos = next_header_pos; + } + + break; + } + + compressed_size = compressed_end_pos - compressed_pos; + + if (compressed_size > UINT32_MAX) { + /* Update sizes if 4GB file is written with no ZIP64 support */ + if (local_file_info.uncompressed_size < UINT32_MAX) { + local_file_info.compressed_size = compressed_size; + local_file_info.uncompressed_size = 0; + } + } + + mz_zip_print("Zip - Recover - Entry %s (csize %" PRId64 " usize %" PRId64 " flags 0x%" PRIx16 ")\n", + local_file_info.filename, local_file_info.compressed_size, local_file_info.uncompressed_size, + local_file_info.flag); + + /* Rewrite central dir with local headers and offsets */ + err = mz_zip_entry_write_header(cd_mem_stream, 0, &local_file_info); + if (err == MZ_OK) + number_entry += 1; + + err = mz_stream_seek(zip->stream, next_header_pos, MZ_SEEK_SET); + } + + mz_stream_mem_delete(&local_file_info_stream); + + mz_zip_print("Zip - Recover - Complete (cddisk %" PRId32 " entries %" PRId64 ")\n", + disk_number_with_cd, number_entry); + + if (number_entry == 0) + return err; + + /* Set new upper seek boundary for central dir mem stream */ + disk_offset = mz_stream_tell(cd_mem_stream); + mz_stream_mem_set_buffer_limit(cd_mem_stream, (int32_t)disk_offset); + + /* Set new central directory info */ + mz_zip_set_cd_stream(handle, 0, cd_mem_stream); + mz_zip_set_number_entry(handle, number_entry); + mz_zip_set_disk_number_with_cd(handle, disk_number_with_cd); + + return MZ_OK; +} + +void *mz_zip_create(void **handle) { + mz_zip *zip = NULL; + + zip = (mz_zip *)MZ_ALLOC(sizeof(mz_zip)); + if (zip != NULL) { + memset(zip, 0, sizeof(mz_zip)); + zip->data_descriptor = 1; + } + if (handle != NULL) + *handle = zip; + + return zip; +} + +void mz_zip_delete(void **handle) { + mz_zip *zip = NULL; + if (handle == NULL) + return; + zip = (mz_zip *)*handle; + if (zip != NULL) { + MZ_FREE(zip); + } + *handle = NULL; +} + +int32_t mz_zip_open(void *handle, void *stream, int32_t mode) { + mz_zip *zip = (mz_zip *)handle; + int32_t err = MZ_OK; + + + if (zip == NULL) + return MZ_PARAM_ERROR; + + mz_zip_print("Zip - Open\n"); + + zip->stream = stream; + + mz_stream_mem_create(&zip->cd_mem_stream); + + if (mode & MZ_OPEN_MODE_WRITE) { + mz_stream_mem_open(zip->cd_mem_stream, NULL, MZ_OPEN_MODE_CREATE); + zip->cd_stream = zip->cd_mem_stream; + } else { + zip->cd_stream = stream; + } + + if ((mode & MZ_OPEN_MODE_READ) || (mode & MZ_OPEN_MODE_APPEND)) { + if ((mode & MZ_OPEN_MODE_CREATE) == 0) { + err = mz_zip_read_cd(zip); + if (err != MZ_OK) { + mz_zip_print("Zip - Error detected reading cd (%" PRId32 ")\n", err); + if (zip->recover && mz_zip_recover_cd(zip) == MZ_OK) + err = MZ_OK; + } + } + + if ((err == MZ_OK) && (mode & MZ_OPEN_MODE_APPEND)) { + if (zip->cd_size > 0) { + /* Store central directory in memory */ + err = mz_stream_seek(zip->stream, zip->cd_offset, MZ_SEEK_SET); + if (err == MZ_OK) + err = mz_stream_copy(zip->cd_mem_stream, zip->stream, (int32_t)zip->cd_size); + if (err == MZ_OK) + err = mz_stream_seek(zip->stream, zip->cd_offset, MZ_SEEK_SET); + } else { + if (zip->cd_signature == MZ_ZIP_MAGIC_ENDHEADER) { + /* If tiny zip then overwrite end header */ + err = mz_stream_seek(zip->stream, zip->cd_offset, MZ_SEEK_SET); + } else { + /* If no central directory, append new zip to end of file */ + err = mz_stream_seek(zip->stream, 0, MZ_SEEK_END); + } + } + + if (zip->disk_number_with_cd > 0) { + /* Move to last disk to begin appending */ + mz_stream_set_prop_int64(zip->stream, MZ_STREAM_PROP_DISK_NUMBER, zip->disk_number_with_cd - 1); + } + } else { + zip->cd_start_pos = zip->cd_offset; + } + } + + if (err != MZ_OK) { + mz_zip_close(zip); + return err; + } + + /* Memory streams used to store variable length file info data */ + mz_stream_mem_create(&zip->file_info_stream); + mz_stream_mem_open(zip->file_info_stream, NULL, MZ_OPEN_MODE_CREATE); + + mz_stream_mem_create(&zip->local_file_info_stream); + mz_stream_mem_open(zip->local_file_info_stream, NULL, MZ_OPEN_MODE_CREATE); + + zip->open_mode = mode; + + return err; +} + +int32_t mz_zip_close(void *handle) { + mz_zip *zip = (mz_zip *)handle; + int32_t err = MZ_OK; + + if (zip == NULL) + return MZ_PARAM_ERROR; + + mz_zip_print("Zip - Close\n"); + + if (mz_zip_entry_is_open(handle) == MZ_OK) + err = mz_zip_entry_close(handle); + + if ((err == MZ_OK) && (zip->open_mode & MZ_OPEN_MODE_WRITE)) + err = mz_zip_write_cd(handle); + + if (zip->cd_mem_stream != NULL) { + mz_stream_close(zip->cd_mem_stream); + mz_stream_delete(&zip->cd_mem_stream); + } + + if (zip->file_info_stream != NULL) { + mz_stream_mem_close(zip->file_info_stream); + mz_stream_mem_delete(&zip->file_info_stream); + } + if (zip->local_file_info_stream != NULL) { + mz_stream_mem_close(zip->local_file_info_stream); + mz_stream_mem_delete(&zip->local_file_info_stream); + } + + if (zip->comment) { + MZ_FREE(zip->comment); + zip->comment = NULL; + } + + zip->stream = NULL; + zip->cd_stream = NULL; + + return err; +} + +int32_t mz_zip_get_comment(void *handle, const char **comment) { + mz_zip *zip = (mz_zip *)handle; + if (zip == NULL || comment == NULL) + return MZ_PARAM_ERROR; + if (zip->comment == NULL) + return MZ_EXIST_ERROR; + *comment = zip->comment; + return MZ_OK; +} + +int32_t mz_zip_set_comment(void *handle, const char *comment) { + mz_zip *zip = (mz_zip *)handle; + int32_t comment_size = 0; + if (zip == NULL || comment == NULL) + return MZ_PARAM_ERROR; + if (zip->comment != NULL) + MZ_FREE(zip->comment); + comment_size = (int32_t)strlen(comment); + if (comment_size > UINT16_MAX) + return MZ_PARAM_ERROR; + zip->comment = (char *)MZ_ALLOC(comment_size+1); + if (zip->comment == NULL) + return MZ_MEM_ERROR; + memset(zip->comment, 0, comment_size+1); + strncpy(zip->comment, comment, comment_size); + return MZ_OK; +} + +int32_t mz_zip_get_version_madeby(void *handle, uint16_t *version_madeby) { + mz_zip *zip = (mz_zip *)handle; + if (zip == NULL || version_madeby == NULL) + return MZ_PARAM_ERROR; + *version_madeby = zip->version_madeby; + return MZ_OK; +} + +int32_t mz_zip_set_version_madeby(void *handle, uint16_t version_madeby) { + mz_zip *zip = (mz_zip *)handle; + if (zip == NULL) + return MZ_PARAM_ERROR; + zip->version_madeby = version_madeby; + return MZ_OK; +} + +int32_t mz_zip_set_recover(void *handle, uint8_t recover) { + mz_zip *zip = (mz_zip *)handle; + if (zip == NULL) + return MZ_PARAM_ERROR; + zip->recover = recover; + return MZ_OK; +} + +int32_t mz_zip_set_data_descriptor(void *handle, uint8_t data_descriptor) { + mz_zip *zip = (mz_zip *)handle; + if (zip == NULL) + return MZ_PARAM_ERROR; + zip->data_descriptor = data_descriptor; + return MZ_OK; +} + +int32_t mz_zip_get_stream(void *handle, void **stream) { + mz_zip *zip = (mz_zip *)handle; + if (zip == NULL || stream == NULL) + return MZ_PARAM_ERROR; + *stream = zip->stream; + if (*stream == NULL) + return MZ_EXIST_ERROR; + return MZ_OK; +} + +int32_t mz_zip_set_cd_stream(void *handle, int64_t cd_start_pos, void *cd_stream) { + mz_zip *zip = (mz_zip *)handle; + if (zip == NULL || cd_stream == NULL) + return MZ_PARAM_ERROR; + zip->cd_offset = 0; + zip->cd_stream = cd_stream; + zip->cd_start_pos = cd_start_pos; + return MZ_OK; +} + +int32_t mz_zip_get_cd_mem_stream(void *handle, void **cd_mem_stream) { + mz_zip *zip = (mz_zip *)handle; + if (zip == NULL || cd_mem_stream == NULL) + return MZ_PARAM_ERROR; + *cd_mem_stream = zip->cd_mem_stream; + if (*cd_mem_stream == NULL) + return MZ_EXIST_ERROR; + return MZ_OK; +} + +int32_t mz_zip_set_number_entry(void *handle, uint64_t number_entry) { + mz_zip *zip = (mz_zip *)handle; + if (zip == NULL) + return MZ_PARAM_ERROR; + zip->number_entry = number_entry; + return MZ_OK; +} + +int32_t mz_zip_get_number_entry(void *handle, uint64_t *number_entry) { + mz_zip *zip = (mz_zip *)handle; + if (zip == NULL || number_entry == NULL) + return MZ_PARAM_ERROR; + *number_entry = zip->number_entry; + return MZ_OK; +} + +int32_t mz_zip_set_disk_number_with_cd(void *handle, uint32_t disk_number_with_cd) { + mz_zip *zip = (mz_zip *)handle; + if (zip == NULL) + return MZ_PARAM_ERROR; + zip->disk_number_with_cd = disk_number_with_cd; + return MZ_OK; +} + +int32_t mz_zip_get_disk_number_with_cd(void *handle, uint32_t *disk_number_with_cd) { + mz_zip *zip = (mz_zip *)handle; + if (zip == NULL || disk_number_with_cd == NULL) + return MZ_PARAM_ERROR; + *disk_number_with_cd = zip->disk_number_with_cd; + return MZ_OK; +} + +static int32_t mz_zip_entry_close_int(void *handle) { + mz_zip *zip = (mz_zip *)handle; + + if (zip->crypt_stream != NULL) + mz_stream_delete(&zip->crypt_stream); + zip->crypt_stream = NULL; + if (zip->compress_stream != NULL) + mz_stream_delete(&zip->compress_stream); + zip->compress_stream = NULL; + + zip->entry_opened = 0; + + return MZ_OK; +} + +static int32_t mz_zip_entry_open_int(void *handle, uint8_t raw, int16_t compress_level, const char *password) { + mz_zip *zip = (mz_zip *)handle; + int64_t max_total_in = 0; + int64_t header_size = 0; + int64_t footer_size = 0; + int32_t err = MZ_OK; + uint8_t use_crypt = 0; + + if (zip == NULL) + return MZ_PARAM_ERROR; + + switch (zip->file_info.compression_method) { + case MZ_COMPRESS_METHOD_STORE: + case MZ_COMPRESS_METHOD_DEFLATE: +#ifdef HAVE_BZIP2 + case MZ_COMPRESS_METHOD_BZIP2: +#endif +#ifdef HAVE_LZMA + case MZ_COMPRESS_METHOD_LZMA: +#endif +#if defined(HAVE_LZMA) || defined(HAVE_LIBCOMP) + case MZ_COMPRESS_METHOD_XZ: +#endif +#ifdef HAVE_ZSTD + case MZ_COMPRESS_METHOD_ZSTD: +#endif + err = MZ_OK; + break; + default: + return MZ_SUPPORT_ERROR; + } + +#ifndef HAVE_WZAES + if (zip->file_info.aes_version) + return MZ_SUPPORT_ERROR; +#endif + + zip->entry_raw = raw; + + if ((zip->file_info.flag & MZ_ZIP_FLAG_ENCRYPTED) && (password != NULL)) { + if (zip->open_mode & MZ_OPEN_MODE_WRITE) { + /* Encrypt only when we are not trying to write raw and password is supplied. */ + if (!zip->entry_raw) + use_crypt = 1; + } else if (zip->open_mode & MZ_OPEN_MODE_READ) { + /* Decrypt only when password is supplied. Don't error when password */ + /* is not supplied as we may want to read the raw encrypted data. */ + use_crypt = 1; + } + } + + if ((err == MZ_OK) && (use_crypt)) { +#ifdef HAVE_WZAES + if (zip->file_info.aes_version) { + mz_stream_wzaes_create(&zip->crypt_stream); + mz_stream_wzaes_set_password(zip->crypt_stream, password); + mz_stream_wzaes_set_encryption_mode(zip->crypt_stream, zip->file_info.aes_encryption_mode); + } else +#endif + { +#ifdef HAVE_PKCRYPT + uint8_t verify1 = (uint8_t)((zip->file_info.pk_verify >> 8) & 0xff); + uint8_t verify2 = (uint8_t)((zip->file_info.pk_verify) & 0xff); + + mz_stream_pkcrypt_create(&zip->crypt_stream); + mz_stream_pkcrypt_set_password(zip->crypt_stream, password); + mz_stream_pkcrypt_set_verify(zip->crypt_stream, verify1, verify2); +#endif + } + } + + if (err == MZ_OK) { + if (zip->crypt_stream == NULL) + mz_stream_raw_create(&zip->crypt_stream); + + mz_stream_set_base(zip->crypt_stream, zip->stream); + + err = mz_stream_open(zip->crypt_stream, NULL, zip->open_mode); + } + + if (err == MZ_OK) { + if (zip->entry_raw || zip->file_info.compression_method == MZ_COMPRESS_METHOD_STORE) + mz_stream_raw_create(&zip->compress_stream); +#ifdef HAVE_ZLIB + else if (zip->file_info.compression_method == MZ_COMPRESS_METHOD_DEFLATE) + mz_stream_zlib_create(&zip->compress_stream); +#endif +#ifdef HAVE_BZIP2 + else if (zip->file_info.compression_method == MZ_COMPRESS_METHOD_BZIP2) + mz_stream_bzip_create(&zip->compress_stream); +#endif +#ifdef HAVE_LIBCOMP + else if (zip->file_info.compression_method == MZ_COMPRESS_METHOD_DEFLATE || + zip->file_info.compression_method == MZ_COMPRESS_METHOD_XZ) { + mz_stream_libcomp_create(&zip->compress_stream); + mz_stream_set_prop_int64(zip->compress_stream, MZ_STREAM_PROP_COMPRESS_METHOD, + zip->file_info.compression_method); + } +#endif +#ifdef HAVE_LZMA + else if (zip->file_info.compression_method == MZ_COMPRESS_METHOD_LZMA || + zip->file_info.compression_method == MZ_COMPRESS_METHOD_XZ) { + mz_stream_lzma_create(&zip->compress_stream); + mz_stream_set_prop_int64(zip->compress_stream, MZ_STREAM_PROP_COMPRESS_METHOD, + zip->file_info.compression_method); + } +#endif +#ifdef HAVE_ZSTD + else if (zip->file_info.compression_method == MZ_COMPRESS_METHOD_ZSTD) + mz_stream_zstd_create(&zip->compress_stream); +#endif + else + err = MZ_PARAM_ERROR; + } + + if (err == MZ_OK) { + if (zip->open_mode & MZ_OPEN_MODE_WRITE) { + mz_stream_set_prop_int64(zip->compress_stream, MZ_STREAM_PROP_COMPRESS_LEVEL, compress_level); + } else { + int32_t set_end_of_stream = 0; + +#ifndef HAVE_LIBCOMP + if (zip->entry_raw || + zip->file_info.compression_method == MZ_COMPRESS_METHOD_STORE || + zip->file_info.flag & MZ_ZIP_FLAG_ENCRYPTED) +#endif + { + max_total_in = zip->file_info.compressed_size; + mz_stream_set_prop_int64(zip->crypt_stream, MZ_STREAM_PROP_TOTAL_IN_MAX, max_total_in); + + if (mz_stream_get_prop_int64(zip->crypt_stream, MZ_STREAM_PROP_HEADER_SIZE, &header_size) == MZ_OK) + max_total_in -= header_size; + if (mz_stream_get_prop_int64(zip->crypt_stream, MZ_STREAM_PROP_FOOTER_SIZE, &footer_size) == MZ_OK) + max_total_in -= footer_size; + + mz_stream_set_prop_int64(zip->compress_stream, MZ_STREAM_PROP_TOTAL_IN_MAX, max_total_in); + } + + switch (zip->file_info.compression_method) { + case MZ_COMPRESS_METHOD_LZMA: + case MZ_COMPRESS_METHOD_XZ: + set_end_of_stream = (zip->file_info.flag & MZ_ZIP_FLAG_LZMA_EOS_MARKER); + break; + case MZ_COMPRESS_METHOD_ZSTD: + set_end_of_stream = 1; + break; + } + + if (set_end_of_stream) { + mz_stream_set_prop_int64(zip->compress_stream, MZ_STREAM_PROP_TOTAL_IN_MAX, zip->file_info.compressed_size); + mz_stream_set_prop_int64(zip->compress_stream, MZ_STREAM_PROP_TOTAL_OUT_MAX, zip->file_info.uncompressed_size); + } + } + + mz_stream_set_base(zip->compress_stream, zip->crypt_stream); + + err = mz_stream_open(zip->compress_stream, NULL, zip->open_mode); + } + + if (err == MZ_OK) { + zip->entry_opened = 1; + zip->entry_crc32 = 0; + } else { + mz_zip_entry_close_int(handle); + } + + return err; +} + +int32_t mz_zip_entry_is_open(void *handle) { + mz_zip *zip = (mz_zip *)handle; + if (zip == NULL) + return MZ_PARAM_ERROR; + if (zip->entry_opened == 0) + return MZ_EXIST_ERROR; + return MZ_OK; +} + +int32_t mz_zip_entry_read_open(void *handle, uint8_t raw, const char *password) { + mz_zip *zip = (mz_zip *)handle; + int32_t err = MZ_OK; + int32_t err_shift = MZ_OK; + +#if defined(MZ_ZIP_NO_ENCRYPTION) + if (password != NULL) + return MZ_SUPPORT_ERROR; +#endif + if (zip == NULL) + return MZ_PARAM_ERROR; + if ((zip->open_mode & MZ_OPEN_MODE_READ) == 0) + return MZ_PARAM_ERROR; + if (zip->entry_scanned == 0) + return MZ_PARAM_ERROR; + + mz_zip_print("Zip - Entry - Read open (raw %" PRId32 ")\n", raw); + + err = mz_zip_entry_seek_local_header(handle); + if (err == MZ_OK) + err = mz_zip_entry_read_header(zip->stream, 1, &zip->local_file_info, zip->local_file_info_stream); + + if (err == MZ_FORMAT_ERROR && zip->disk_offset_shift > 0) { + /* Perhaps we didn't compensated correctly for incorrect cd offset */ + err_shift = mz_stream_seek(zip->stream, zip->file_info.disk_offset, MZ_SEEK_SET); + if (err_shift == MZ_OK) + err_shift = mz_zip_entry_read_header(zip->stream, 1, &zip->local_file_info, zip->local_file_info_stream); + if (err_shift == MZ_OK) { + zip->disk_offset_shift = 0; + err = err_shift; + } + } + +#ifdef MZ_ZIP_NO_DECOMPRESSION + if (!raw && zip->file_info.compression_method != MZ_COMPRESS_METHOD_STORE) + err = MZ_SUPPORT_ERROR; +#endif + if (err == MZ_OK) + err = mz_zip_entry_open_int(handle, raw, 0, password); + + return err; +} + +int32_t mz_zip_entry_write_open(void *handle, const mz_zip_file *file_info, int16_t compress_level, uint8_t raw, const char *password) { + mz_zip *zip = (mz_zip *)handle; + int64_t filename_pos = -1; + int64_t extrafield_pos = 0; + int64_t comment_pos = 0; + int64_t linkname_pos = 0; + int64_t disk_number = 0; + uint8_t is_dir = 0; + int32_t err = MZ_OK; + +#if defined(MZ_ZIP_NO_ENCRYPTION) + if (password != NULL) + return MZ_SUPPORT_ERROR; +#endif + if (zip == NULL || file_info == NULL || file_info->filename == NULL) + return MZ_PARAM_ERROR; + + if (mz_zip_entry_is_open(handle) == MZ_OK) { + err = mz_zip_entry_close(handle); + if (err != MZ_OK) + return err; + } + + memcpy(&zip->file_info, file_info, sizeof(mz_zip_file)); + + mz_zip_print("Zip - Entry - Write open - %s (level %" PRId16 " raw %" PRId8 ")\n", + zip->file_info.filename, compress_level, raw); + + mz_stream_seek(zip->file_info_stream, 0, MZ_SEEK_SET); + mz_stream_write(zip->file_info_stream, file_info, sizeof(mz_zip_file)); + + /* Copy filename, extrafield, and comment internally */ + filename_pos = mz_stream_tell(zip->file_info_stream); + if (file_info->filename != NULL) + mz_stream_write(zip->file_info_stream, file_info->filename, (int32_t)strlen(file_info->filename)); + mz_stream_write_uint8(zip->file_info_stream, 0); + + extrafield_pos = mz_stream_tell(zip->file_info_stream); + if (file_info->extrafield != NULL) + mz_stream_write(zip->file_info_stream, file_info->extrafield, file_info->extrafield_size); + mz_stream_write_uint8(zip->file_info_stream, 0); + + comment_pos = mz_stream_tell(zip->file_info_stream); + if (file_info->comment != NULL) + mz_stream_write(zip->file_info_stream, file_info->comment, file_info->comment_size); + mz_stream_write_uint8(zip->file_info_stream, 0); + + linkname_pos = mz_stream_tell(zip->file_info_stream); + if (file_info->linkname != NULL) + mz_stream_write(zip->file_info_stream, file_info->linkname, (int32_t)strlen(file_info->linkname)); + mz_stream_write_uint8(zip->file_info_stream, 0); + + mz_stream_mem_get_buffer_at(zip->file_info_stream, filename_pos, (const void **)&zip->file_info.filename); + mz_stream_mem_get_buffer_at(zip->file_info_stream, extrafield_pos, (const void **)&zip->file_info.extrafield); + mz_stream_mem_get_buffer_at(zip->file_info_stream, comment_pos, (const void **)&zip->file_info.comment); + mz_stream_mem_get_buffer_at(zip->file_info_stream, linkname_pos, (const void **)&zip->file_info.linkname); + + if (zip->file_info.compression_method == MZ_COMPRESS_METHOD_DEFLATE) { + if ((compress_level == 8) || (compress_level == 9)) + zip->file_info.flag |= MZ_ZIP_FLAG_DEFLATE_MAX; + if (compress_level == 2) + zip->file_info.flag |= MZ_ZIP_FLAG_DEFLATE_FAST; + if (compress_level == 1) + zip->file_info.flag |= MZ_ZIP_FLAG_DEFLATE_SUPER_FAST; + } +#if defined(HAVE_LZMA) || defined(HAVE_LIBCOMP) + else if (zip->file_info.compression_method == MZ_COMPRESS_METHOD_LZMA || + zip->file_info.compression_method == MZ_COMPRESS_METHOD_XZ) + zip->file_info.flag |= MZ_ZIP_FLAG_LZMA_EOS_MARKER; +#endif + + if (mz_zip_attrib_is_dir(zip->file_info.external_fa, zip->file_info.version_madeby) == MZ_OK) + is_dir = 1; + + if (!is_dir) { + if (zip->data_descriptor) + zip->file_info.flag |= MZ_ZIP_FLAG_DATA_DESCRIPTOR; + if (password != NULL) + zip->file_info.flag |= MZ_ZIP_FLAG_ENCRYPTED; + } + + mz_stream_get_prop_int64(zip->stream, MZ_STREAM_PROP_DISK_NUMBER, &disk_number); + zip->file_info.disk_number = (uint32_t)disk_number; + zip->file_info.disk_offset = mz_stream_tell(zip->stream); + + if (zip->file_info.flag & MZ_ZIP_FLAG_ENCRYPTED) { +#ifdef HAVE_PKCRYPT + /* Pre-calculated CRC value is required for PKWARE traditional encryption */ + uint32_t dos_date = mz_zip_time_t_to_dos_date(zip->file_info.modified_date); + zip->file_info.pk_verify = mz_zip_get_pk_verify(dos_date, zip->file_info.crc, zip->file_info.flag); +#endif +#ifdef HAVE_WZAES + if (zip->file_info.aes_version && zip->file_info.aes_encryption_mode == 0) + zip->file_info.aes_encryption_mode = MZ_AES_ENCRYPTION_MODE_256; +#endif + } + + zip->file_info.crc = 0; + zip->file_info.compressed_size = 0; + + if ((compress_level == 0) || (is_dir)) + zip->file_info.compression_method = MZ_COMPRESS_METHOD_STORE; + +#ifdef MZ_ZIP_NO_COMPRESSION + if (zip->file_info.compression_method != MZ_COMPRESS_METHOD_STORE) + err = MZ_SUPPORT_ERROR; +#endif + if (err == MZ_OK) + err = mz_zip_entry_write_header(zip->stream, 1, &zip->file_info); + if (err == MZ_OK) + err = mz_zip_entry_open_int(handle, raw, compress_level, password); + + return err; +} + +int32_t mz_zip_entry_read(void *handle, void *buf, int32_t len) { + mz_zip *zip = (mz_zip *)handle; + int32_t read = 0; + + if (zip == NULL || mz_zip_entry_is_open(handle) != MZ_OK) + return MZ_PARAM_ERROR; + if (UINT_MAX == UINT16_MAX && len > UINT16_MAX) /* zlib limitation */ + return MZ_PARAM_ERROR; + if (len == 0) + return MZ_PARAM_ERROR; + + if (zip->file_info.compressed_size == 0) + return 0; + + /* Read entire entry even if uncompressed_size = 0, otherwise */ + /* aes encryption validation will fail if compressed_size > 0 */ + read = mz_stream_read(zip->compress_stream, buf, len); + if (read > 0) + zip->entry_crc32 = mz_crypt_crc32_update(zip->entry_crc32, buf, read); + + mz_zip_print("Zip - Entry - Read - %" PRId32 " (max %" PRId32 ")\n", read, len); + + return read; +} + +int32_t mz_zip_entry_write(void *handle, const void *buf, int32_t len) { + mz_zip *zip = (mz_zip *)handle; + int32_t written = 0; + + if (zip == NULL || mz_zip_entry_is_open(handle) != MZ_OK) + return MZ_PARAM_ERROR; + written = mz_stream_write(zip->compress_stream, buf, len); + if (written > 0) + zip->entry_crc32 = mz_crypt_crc32_update(zip->entry_crc32, buf, written); + + mz_zip_print("Zip - Entry - Write - %" PRId32 " (max %" PRId32 ")\n", written, len); + + return written; +} + +int32_t mz_zip_entry_read_close(void *handle, uint32_t *crc32, int64_t *compressed_size, + int64_t *uncompressed_size) { + mz_zip *zip = (mz_zip *)handle; + int64_t total_in = 0; + int32_t err = MZ_OK; + uint8_t zip64 = 0; + + if (zip == NULL || mz_zip_entry_is_open(handle) != MZ_OK) + return MZ_PARAM_ERROR; + + mz_stream_close(zip->compress_stream); + + mz_zip_print("Zip - Entry - Read Close\n"); + + if (crc32 != NULL) + *crc32 = zip->file_info.crc; + if (compressed_size != NULL) + *compressed_size = zip->file_info.compressed_size; + if (uncompressed_size != NULL) + *uncompressed_size = zip->file_info.uncompressed_size; + + mz_stream_get_prop_int64(zip->compress_stream, MZ_STREAM_PROP_TOTAL_IN, &total_in); + + if ((zip->file_info.flag & MZ_ZIP_FLAG_DATA_DESCRIPTOR) && + ((zip->file_info.flag & MZ_ZIP_FLAG_MASK_LOCAL_INFO) == 0) && + (crc32 != NULL || compressed_size != NULL || uncompressed_size != NULL)) { + /* Check to see if data descriptor is zip64 bit format or not */ + if (mz_zip_extrafield_contains(zip->local_file_info.extrafield, + zip->local_file_info.extrafield_size, MZ_ZIP_EXTENSION_ZIP64, NULL) == MZ_OK) + zip64 = 1; + + err = mz_zip_entry_seek_local_header(handle); + + /* Seek to end of compressed stream since we might have over-read during compression */ + if (err == MZ_OK) + err = mz_stream_seek(zip->stream, MZ_ZIP_SIZE_LD_ITEM + + (int64_t)zip->local_file_info.filename_size + + (int64_t)zip->local_file_info.extrafield_size + + total_in, MZ_SEEK_CUR); + + /* Read data descriptor */ + if (err == MZ_OK) + err = mz_zip_entry_read_descriptor(zip->stream, zip64, + crc32, compressed_size, uncompressed_size); + } + + /* If entire entry was not read verification will fail */ + if ((err == MZ_OK) && (total_in > 0) && (!zip->entry_raw)) { +#ifdef HAVE_WZAES + /* AES zip version AE-1 will expect a valid crc as well */ + if (zip->file_info.aes_version <= 0x0001) +#endif + { + if (zip->entry_crc32 != zip->file_info.crc) { + mz_zip_print("Zip - Entry - Crc failed (actual 0x%08" PRIx32 " expected 0x%08" PRIx32 ")\n", + zip->entry_crc32, zip->file_info.crc); + + err = MZ_CRC_ERROR; + } + } + } + + mz_zip_entry_close_int(handle); + + return err; +} + +int32_t mz_zip_entry_write_close(void *handle, uint32_t crc32, int64_t compressed_size, + int64_t uncompressed_size) { + mz_zip *zip = (mz_zip *)handle; + int64_t end_disk_number = 0; + int32_t err = MZ_OK; + uint8_t zip64 = 0; + + if (zip == NULL || mz_zip_entry_is_open(handle) != MZ_OK) + return MZ_PARAM_ERROR; + + mz_stream_close(zip->compress_stream); + + if (!zip->entry_raw) + crc32 = zip->entry_crc32; + + mz_zip_print("Zip - Entry - Write Close (crc 0x%08" PRIx32 " cs %" PRId64 " ucs %" PRId64 ")\n", + crc32, compressed_size, uncompressed_size); + + /* If sizes are not set, then read them from the compression stream */ + if (compressed_size < 0) + mz_stream_get_prop_int64(zip->compress_stream, MZ_STREAM_PROP_TOTAL_OUT, &compressed_size); + if (uncompressed_size < 0) + mz_stream_get_prop_int64(zip->compress_stream, MZ_STREAM_PROP_TOTAL_IN, &uncompressed_size); + + if (zip->file_info.flag & MZ_ZIP_FLAG_ENCRYPTED) { + mz_stream_set_base(zip->crypt_stream, zip->stream); + err = mz_stream_close(zip->crypt_stream); + + mz_stream_get_prop_int64(zip->crypt_stream, MZ_STREAM_PROP_TOTAL_OUT, &compressed_size); + } + + mz_zip_entry_needs_zip64(&zip->file_info, 1, &zip64); + + if ((err == MZ_OK) && (zip->file_info.flag & MZ_ZIP_FLAG_DATA_DESCRIPTOR)) { + /* Determine if we need to write data descriptor in zip64 format, + if local extrafield was saved with zip64 extrafield */ + + if (zip->file_info.flag & MZ_ZIP_FLAG_MASK_LOCAL_INFO) + err = mz_zip_entry_write_descriptor(zip->stream, + zip64, 0, compressed_size, 0); + else + err = mz_zip_entry_write_descriptor(zip->stream, + zip64, crc32, compressed_size, uncompressed_size); + } + + /* Write file info to central directory */ + + mz_zip_print("Zip - Entry - Write cd (ucs %" PRId64 " cs %" PRId64 " crc 0x%08" PRIx32 ")\n", + uncompressed_size, compressed_size, crc32); + + zip->file_info.crc = crc32; + zip->file_info.compressed_size = compressed_size; + zip->file_info.uncompressed_size = uncompressed_size; + + if (err == MZ_OK) + err = mz_zip_entry_write_header(zip->cd_mem_stream, 0, &zip->file_info); + + /* Update local header with crc32 and sizes */ + if ((err == MZ_OK) && ((zip->file_info.flag & MZ_ZIP_FLAG_DATA_DESCRIPTOR) == 0) && + ((zip->file_info.flag & MZ_ZIP_FLAG_MASK_LOCAL_INFO) == 0)) { + /* Save the disk number and position we are to seek back after updating local header */ + int64_t end_pos = mz_stream_tell(zip->stream); + mz_stream_get_prop_int64(zip->stream, MZ_STREAM_PROP_DISK_NUMBER, &end_disk_number); + + err = mz_zip_entry_seek_local_header(handle); + + if (err == MZ_OK) { + /* Seek to crc32 and sizes offset in local header */ + err = mz_stream_seek(zip->stream, MZ_ZIP_OFFSET_CRC_SIZES, MZ_SEEK_CUR); + } + + if (err == MZ_OK) + err = mz_zip_entry_write_crc_sizes(zip->stream, zip64, 0, &zip->file_info); + + /* Seek to and update zip64 extension sizes */ + if ((err == MZ_OK) && (zip64)) { + int64_t filename_size = zip->file_info.filename_size; + + if (filename_size == 0) + filename_size = strlen(zip->file_info.filename); + + /* Since we write zip64 extension first we know its offset */ + err = mz_stream_seek(zip->stream, 2 + 2 + filename_size + 4, MZ_SEEK_CUR); + + if (err == MZ_OK) + err = mz_stream_write_uint64(zip->stream, zip->file_info.uncompressed_size); + if (err == MZ_OK) + err = mz_stream_write_uint64(zip->stream, zip->file_info.compressed_size); + } + + mz_stream_set_prop_int64(zip->stream, MZ_STREAM_PROP_DISK_NUMBER, end_disk_number); + mz_stream_seek(zip->stream, end_pos, MZ_SEEK_SET); + } + + zip->number_entry += 1; + + mz_zip_entry_close_int(handle); + + return err; +} + +int32_t mz_zip_entry_seek_local_header(void *handle) { + mz_zip *zip = (mz_zip *)handle; + int64_t disk_size = 0; + uint32_t disk_number = zip->file_info.disk_number; + + if (disk_number == zip->disk_number_with_cd) { + mz_stream_get_prop_int64(zip->stream, MZ_STREAM_PROP_DISK_SIZE, &disk_size); + if ((disk_size == 0) || ((zip->open_mode & MZ_OPEN_MODE_WRITE) == 0)) + disk_number = (uint32_t)-1; + } + + mz_stream_set_prop_int64(zip->stream, MZ_STREAM_PROP_DISK_NUMBER, disk_number); + + mz_zip_print("Zip - Entry - Seek local (disk %" PRId32 " offset %" PRId64 ")\n", + disk_number, zip->file_info.disk_offset); + + /* Guard against seek overflows */ + if ((zip->disk_offset_shift > 0) && + (zip->file_info.disk_offset > (INT64_MAX - zip->disk_offset_shift))) + return MZ_FORMAT_ERROR; + + return mz_stream_seek(zip->stream, zip->file_info.disk_offset + zip->disk_offset_shift, MZ_SEEK_SET); +} + +int32_t mz_zip_entry_close(void *handle) { + return mz_zip_entry_close_raw(handle, UINT64_MAX, 0); +} + +int32_t mz_zip_entry_close_raw(void *handle, int64_t uncompressed_size, uint32_t crc32) { + mz_zip *zip = (mz_zip *)handle; + int32_t err = MZ_OK; + + if (zip == NULL || mz_zip_entry_is_open(handle) != MZ_OK) + return MZ_PARAM_ERROR; + + if (zip->open_mode & MZ_OPEN_MODE_WRITE) + err = mz_zip_entry_write_close(handle, crc32, UINT64_MAX, uncompressed_size); + else + err = mz_zip_entry_read_close(handle, NULL, NULL, NULL); + + return err; +} + +int32_t mz_zip_entry_is_dir(void *handle) { + mz_zip *zip = (mz_zip *)handle; + int32_t filename_length = 0; + + if (zip == NULL) + return MZ_PARAM_ERROR; + if (zip->entry_scanned == 0) + return MZ_PARAM_ERROR; + if (mz_zip_attrib_is_dir(zip->file_info.external_fa, zip->file_info.version_madeby) == MZ_OK) + return MZ_OK; + + filename_length = (int32_t)strlen(zip->file_info.filename); + if (filename_length > 0) { + if ((zip->file_info.filename[filename_length - 1] == '/') || + (zip->file_info.filename[filename_length - 1] == '\\')) + return MZ_OK; + } + return MZ_EXIST_ERROR; +} + +int32_t mz_zip_entry_is_symlink(void *handle) { + mz_zip *zip = (mz_zip *)handle; + + if (zip == NULL) + return MZ_PARAM_ERROR; + if (zip->entry_scanned == 0) + return MZ_PARAM_ERROR; + if (mz_zip_attrib_is_symlink(zip->file_info.external_fa, zip->file_info.version_madeby) != MZ_OK) + return MZ_EXIST_ERROR; + if (zip->file_info.linkname == NULL || *zip->file_info.linkname == 0) + return MZ_EXIST_ERROR; + + return MZ_OK; +} + +int32_t mz_zip_entry_get_info(void *handle, mz_zip_file **file_info) { + mz_zip *zip = (mz_zip *)handle; + + if (zip == NULL) + return MZ_PARAM_ERROR; + + if ((zip->open_mode & MZ_OPEN_MODE_WRITE) == 0) { + if (!zip->entry_scanned) + return MZ_PARAM_ERROR; + } + + *file_info = &zip->file_info; + return MZ_OK; +} + +int32_t mz_zip_entry_get_local_info(void *handle, mz_zip_file **local_file_info) { + mz_zip *zip = (mz_zip *)handle; + if (zip == NULL || mz_zip_entry_is_open(handle) != MZ_OK) + return MZ_PARAM_ERROR; + *local_file_info = &zip->local_file_info; + return MZ_OK; +} + +int32_t mz_zip_entry_set_extrafield(void *handle, const uint8_t *extrafield, uint16_t extrafield_size) { + mz_zip *zip = (mz_zip *)handle; + + if (zip == NULL || mz_zip_entry_is_open(handle) != MZ_OK) + return MZ_PARAM_ERROR; + + zip->file_info.extrafield = extrafield; + zip->file_info.extrafield_size = extrafield_size; + return MZ_OK; +} + +static int32_t mz_zip_goto_next_entry_int(void *handle) { + mz_zip *zip = (mz_zip *)handle; + int32_t err = MZ_OK; + + if (zip == NULL) + return MZ_PARAM_ERROR; + + zip->entry_scanned = 0; + + mz_stream_set_prop_int64(zip->cd_stream, MZ_STREAM_PROP_DISK_NUMBER, -1); + + err = mz_stream_seek(zip->cd_stream, zip->cd_current_pos, MZ_SEEK_SET); + if (err == MZ_OK) + err = mz_zip_entry_read_header(zip->cd_stream, 0, &zip->file_info, zip->file_info_stream); + if (err == MZ_OK) + zip->entry_scanned = 1; + return err; +} + +int64_t mz_zip_get_entry(void *handle) { + mz_zip *zip = (mz_zip *)handle; + + if (zip == NULL) + return MZ_PARAM_ERROR; + + return zip->cd_current_pos; +} + +int32_t mz_zip_goto_entry(void *handle, int64_t cd_pos) { + mz_zip *zip = (mz_zip *)handle; + + if (zip == NULL) + return MZ_PARAM_ERROR; + + if (cd_pos < zip->cd_start_pos || cd_pos > zip->cd_start_pos + zip->cd_size) + return MZ_PARAM_ERROR; + + zip->cd_current_pos = cd_pos; + + return mz_zip_goto_next_entry_int(handle); +} + +int32_t mz_zip_goto_first_entry(void *handle) { + mz_zip *zip = (mz_zip *)handle; + + if (zip == NULL) + return MZ_PARAM_ERROR; + + zip->cd_current_pos = zip->cd_start_pos; + + return mz_zip_goto_next_entry_int(handle); +} + +int32_t mz_zip_goto_next_entry(void *handle) { + mz_zip *zip = (mz_zip *)handle; + + if (zip == NULL) + return MZ_PARAM_ERROR; + + zip->cd_current_pos += (int64_t)MZ_ZIP_SIZE_CD_ITEM + zip->file_info.filename_size + + zip->file_info.extrafield_size + zip->file_info.comment_size; + + return mz_zip_goto_next_entry_int(handle); +} + +int32_t mz_zip_locate_entry(void *handle, const char *filename, uint8_t ignore_case) { + mz_zip *zip = (mz_zip *)handle; + int32_t err = MZ_OK; + int32_t result = 0; + + if (zip == NULL || filename == NULL) + return MZ_PARAM_ERROR; + + /* If we are already on the current entry, no need to search */ + if ((zip->entry_scanned) && (zip->file_info.filename != NULL)) { + result = mz_zip_path_compare(zip->file_info.filename, filename, ignore_case); + if (result == 0) + return MZ_OK; + } + + /* Search all entries starting at the first */ + err = mz_zip_goto_first_entry(handle); + while (err == MZ_OK) { + result = mz_zip_path_compare(zip->file_info.filename, filename, ignore_case); + if (result == 0) + return MZ_OK; + + err = mz_zip_goto_next_entry(handle); + } + + return err; +} + +int32_t mz_zip_locate_first_entry(void *handle, void *userdata, mz_zip_locate_entry_cb cb) { + mz_zip *zip = (mz_zip *)handle; + int32_t err = MZ_OK; + int32_t result = 0; + + /* Search first entry looking for match */ + err = mz_zip_goto_first_entry(handle); + if (err != MZ_OK) + return err; + + result = cb(handle, userdata, &zip->file_info); + if (result == 0) + return MZ_OK; + + return mz_zip_locate_next_entry(handle, userdata, cb); +} + +int32_t mz_zip_locate_next_entry(void *handle, void *userdata, mz_zip_locate_entry_cb cb) { + mz_zip *zip = (mz_zip *)handle; + int32_t err = MZ_OK; + int32_t result = 0; + + /* Search next entries looking for match */ + err = mz_zip_goto_next_entry(handle); + while (err == MZ_OK) { + result = cb(handle, userdata, &zip->file_info); + if (result == 0) + return MZ_OK; + + err = mz_zip_goto_next_entry(handle); + } + + return err; +} + +/***************************************************************************/ + +int32_t mz_zip_attrib_is_dir(uint32_t attrib, int32_t version_madeby) { + uint32_t posix_attrib = 0; + uint8_t system = MZ_HOST_SYSTEM(version_madeby); + int32_t err = MZ_OK; + + err = mz_zip_attrib_convert(system, attrib, MZ_HOST_SYSTEM_UNIX, &posix_attrib); + if (err == MZ_OK) { + if ((posix_attrib & 0170000) == 0040000) /* S_ISDIR */ + return MZ_OK; + } + + return MZ_EXIST_ERROR; +} + +int32_t mz_zip_attrib_is_symlink(uint32_t attrib, int32_t version_madeby) { + uint32_t posix_attrib = 0; + uint8_t system = MZ_HOST_SYSTEM(version_madeby); + int32_t err = MZ_OK; + + err = mz_zip_attrib_convert(system, attrib, MZ_HOST_SYSTEM_UNIX, &posix_attrib); + if (err == MZ_OK) { + if ((posix_attrib & 0170000) == 0120000) /* S_ISLNK */ + return MZ_OK; + } + + return MZ_EXIST_ERROR; +} + +int32_t mz_zip_attrib_convert(uint8_t src_sys, uint32_t src_attrib, uint8_t target_sys, uint32_t *target_attrib) { + if (target_attrib == NULL) + return MZ_PARAM_ERROR; + + *target_attrib = 0; + + if ((src_sys == MZ_HOST_SYSTEM_MSDOS) || (src_sys == MZ_HOST_SYSTEM_WINDOWS_NTFS)) { + if ((target_sys == MZ_HOST_SYSTEM_MSDOS) || (target_sys == MZ_HOST_SYSTEM_WINDOWS_NTFS)) { + *target_attrib = src_attrib; + return MZ_OK; + } + if ((target_sys == MZ_HOST_SYSTEM_UNIX) || (target_sys == MZ_HOST_SYSTEM_OSX_DARWIN) || (target_sys == MZ_HOST_SYSTEM_RISCOS)) + return mz_zip_attrib_win32_to_posix(src_attrib, target_attrib); + } else if ((src_sys == MZ_HOST_SYSTEM_UNIX) || (src_sys == MZ_HOST_SYSTEM_OSX_DARWIN) || (src_sys == MZ_HOST_SYSTEM_RISCOS)) { + if ((target_sys == MZ_HOST_SYSTEM_UNIX) || (target_sys == MZ_HOST_SYSTEM_OSX_DARWIN) || (target_sys == MZ_HOST_SYSTEM_RISCOS)) { + /* If high bytes are set, it contains unix specific attributes */ + if ((src_attrib >> 16) != 0) + src_attrib >>= 16; + + *target_attrib = src_attrib; + return MZ_OK; + } + if ((target_sys == MZ_HOST_SYSTEM_MSDOS) || (target_sys == MZ_HOST_SYSTEM_WINDOWS_NTFS)) + return mz_zip_attrib_posix_to_win32(src_attrib, target_attrib); + } + + return MZ_SUPPORT_ERROR; +} + +int32_t mz_zip_attrib_posix_to_win32(uint32_t posix_attrib, uint32_t *win32_attrib) { + if (win32_attrib == NULL) + return MZ_PARAM_ERROR; + + *win32_attrib = 0; + + /* S_IWUSR | S_IWGRP | S_IWOTH | S_IXUSR | S_IXGRP | S_IXOTH */ + if ((posix_attrib & 0000333) == 0 && (posix_attrib & 0000444) != 0) + *win32_attrib |= 0x01; /* FILE_ATTRIBUTE_READONLY */ + /* S_IFLNK */ + if ((posix_attrib & 0170000) == 0120000) + *win32_attrib |= 0x400; /* FILE_ATTRIBUTE_REPARSE_POINT */ + /* S_IFDIR */ + else if ((posix_attrib & 0170000) == 0040000) + *win32_attrib |= 0x10; /* FILE_ATTRIBUTE_DIRECTORY */ + /* S_IFREG */ + else + *win32_attrib |= 0x80; /* FILE_ATTRIBUTE_NORMAL */ + + return MZ_OK; +} + +int32_t mz_zip_attrib_win32_to_posix(uint32_t win32_attrib, uint32_t *posix_attrib) { + if (posix_attrib == NULL) + return MZ_PARAM_ERROR; + + *posix_attrib = 0000444; /* S_IRUSR | S_IRGRP | S_IROTH */ + /* FILE_ATTRIBUTE_READONLY */ + if ((win32_attrib & 0x01) == 0) + *posix_attrib |= 0000222; /* S_IWUSR | S_IWGRP | S_IWOTH */ + /* FILE_ATTRIBUTE_REPARSE_POINT */ + if ((win32_attrib & 0x400) == 0x400) + *posix_attrib |= 0120000; /* S_IFLNK */ + /* FILE_ATTRIBUTE_DIRECTORY */ + else if ((win32_attrib & 0x10) == 0x10) + *posix_attrib |= 0040111; /* S_IFDIR | S_IXUSR | S_IXGRP | S_IXOTH */ + else + *posix_attrib |= 0100000; /* S_IFREG */ + + return MZ_OK; +} + +/***************************************************************************/ + +int32_t mz_zip_extrafield_find(void *stream, uint16_t type, int32_t max_seek, uint16_t *length) { + int32_t err = MZ_OK; + uint16_t field_type = 0; + uint16_t field_length = 0; + + + if (max_seek < 4) + return MZ_EXIST_ERROR; + + do { + err = mz_stream_read_uint16(stream, &field_type); + if (err == MZ_OK) + err = mz_stream_read_uint16(stream, &field_length); + if (err != MZ_OK) + break; + + if (type == field_type) { + if (length != NULL) + *length = field_length; + return MZ_OK; + } + + max_seek -= field_length - 4; + if (max_seek < 0) + return MZ_EXIST_ERROR; + + err = mz_stream_seek(stream, field_length, MZ_SEEK_CUR); + } while (err == MZ_OK); + + return MZ_EXIST_ERROR; +} + +int32_t mz_zip_extrafield_contains(const uint8_t *extrafield, int32_t extrafield_size, + uint16_t type, uint16_t *length) { + void *file_extra_stream = NULL; + int32_t err = MZ_OK; + + if (extrafield == NULL || extrafield_size == 0) + return MZ_PARAM_ERROR; + + mz_stream_mem_create(&file_extra_stream); + mz_stream_mem_set_buffer(file_extra_stream, (void *)extrafield, extrafield_size); + + err = mz_zip_extrafield_find(file_extra_stream, type, extrafield_size, length); + + mz_stream_mem_delete(&file_extra_stream); + + return err; +} + +int32_t mz_zip_extrafield_read(void *stream, uint16_t *type, uint16_t *length) { + int32_t err = MZ_OK; + if (type == NULL || length == NULL) + return MZ_PARAM_ERROR; + err = mz_stream_read_uint16(stream, type); + if (err == MZ_OK) + err = mz_stream_read_uint16(stream, length); + return err; +} + +int32_t mz_zip_extrafield_write(void *stream, uint16_t type, uint16_t length) { + int32_t err = MZ_OK; + err = mz_stream_write_uint16(stream, type); + if (err == MZ_OK) + err = mz_stream_write_uint16(stream, length); + return err; +} + +/***************************************************************************/ + +static int32_t mz_zip_invalid_date(const struct tm *ptm) { +#define datevalue_in_range(min, max, value) ((min) <= (value) && (value) <= (max)) + return (!datevalue_in_range(0, 127 + 80, ptm->tm_year) || /* 1980-based year, allow 80 extra */ + !datevalue_in_range(0, 11, ptm->tm_mon) || + !datevalue_in_range(1, 31, ptm->tm_mday) || + !datevalue_in_range(0, 23, ptm->tm_hour) || + !datevalue_in_range(0, 59, ptm->tm_min) || + !datevalue_in_range(0, 59, ptm->tm_sec)); +#undef datevalue_in_range +} + +static void mz_zip_dosdate_to_raw_tm(uint64_t dos_date, struct tm *ptm) { + uint64_t date = (uint64_t)(dos_date >> 16); + + ptm->tm_mday = (uint16_t)(date & 0x1f); + ptm->tm_mon = (uint16_t)(((date & 0x1E0) / 0x20) - 1); + ptm->tm_year = (uint16_t)(((date & 0x0FE00) / 0x0200) + 80); + ptm->tm_hour = (uint16_t)((dos_date & 0xF800) / 0x800); + ptm->tm_min = (uint16_t)((dos_date & 0x7E0) / 0x20); + ptm->tm_sec = (uint16_t)(2 * (dos_date & 0x1f)); + ptm->tm_isdst = -1; +} + +int32_t mz_zip_dosdate_to_tm(uint64_t dos_date, struct tm *ptm) { + if (ptm == NULL) + return MZ_PARAM_ERROR; + + mz_zip_dosdate_to_raw_tm(dos_date, ptm); + + if (mz_zip_invalid_date(ptm)) { + /* Invalid date stored, so don't return it */ + memset(ptm, 0, sizeof(struct tm)); + return MZ_FORMAT_ERROR; + } + return MZ_OK; +} + +time_t mz_zip_dosdate_to_time_t(uint64_t dos_date) { + struct tm ptm; + mz_zip_dosdate_to_raw_tm(dos_date, &ptm); + return mktime(&ptm); +} + +int32_t mz_zip_time_t_to_tm(time_t unix_time, struct tm *ptm) { + struct tm ltm; + if (ptm == NULL) + return MZ_PARAM_ERROR; + if (localtime_r(&unix_time, <m) == NULL) { /* Returns a 1900-based year */ + /* Invalid date stored, so don't return it */ + memset(ptm, 0, sizeof(struct tm)); + return MZ_INTERNAL_ERROR; + } + memcpy(ptm, <m, sizeof(struct tm)); + return MZ_OK; +} + +uint32_t mz_zip_time_t_to_dos_date(time_t unix_time) { + struct tm ptm; + mz_zip_time_t_to_tm(unix_time, &ptm); + return mz_zip_tm_to_dosdate((const struct tm *)&ptm); +} + +uint32_t mz_zip_tm_to_dosdate(const struct tm *ptm) { + struct tm fixed_tm; + + /* Years supported: */ + + /* [00, 79] (assumed to be between 2000 and 2079) */ + /* [80, 207] (assumed to be between 1980 and 2107, typical output of old */ + /* software that does 'year-1900' to get a double digit year) */ + /* [1980, 2107] (due to format limitations, only years 1980-2107 can be stored.) */ + + memcpy(&fixed_tm, ptm, sizeof(struct tm)); + if (fixed_tm.tm_year >= 1980) /* range [1980, 2107] */ + fixed_tm.tm_year -= 1980; + else if (fixed_tm.tm_year >= 80) /* range [80, 207] */ + fixed_tm.tm_year -= 80; + else /* range [00, 79] */ + fixed_tm.tm_year += 20; + + if (mz_zip_invalid_date(&fixed_tm)) + return 0; + + return (((uint32_t)fixed_tm.tm_mday + (32 * ((uint32_t)fixed_tm.tm_mon + 1)) + (512 * (uint32_t)fixed_tm.tm_year)) << 16) | + (((uint32_t)fixed_tm.tm_sec / 2) + (32 * (uint32_t)fixed_tm.tm_min) + (2048 * (uint32_t)fixed_tm.tm_hour)); +} + +int32_t mz_zip_ntfs_to_unix_time(uint64_t ntfs_time, time_t *unix_time) { + *unix_time = (time_t)((ntfs_time - 116444736000000000LL) / 10000000); + return MZ_OK; +} + +int32_t mz_zip_unix_to_ntfs_time(time_t unix_time, uint64_t *ntfs_time) { + *ntfs_time = ((uint64_t)unix_time * 10000000) + 116444736000000000LL; + return MZ_OK; +} + +/***************************************************************************/ + +int32_t mz_zip_path_compare(const char *path1, const char *path2, uint8_t ignore_case) { + do { + if ((*path1 == '\\' && *path2 == '/') || + (*path2 == '\\' && *path1 == '/')) { + /* Ignore comparison of path slashes */ + } else if (ignore_case) { + if (tolower(*path1) != tolower(*path2)) + break; + } else if (*path1 != *path2) { + break; + } + + path1 += 1; + path2 += 1; + } while (*path1 != 0 && *path2 != 0); + + if (ignore_case) + return (int32_t)(tolower(*path1) - tolower(*path2)); + + return (int32_t)(*path1 - *path2); +} + +/***************************************************************************/ + +const char* mz_zip_get_compression_method_string(int32_t compression_method) +{ + const char *method = "?"; + switch (compression_method) { + case MZ_COMPRESS_METHOD_STORE: + method = "stored"; + break; + case MZ_COMPRESS_METHOD_DEFLATE: + method = "deflate"; + break; + case MZ_COMPRESS_METHOD_BZIP2: + method = "bzip2"; + break; + case MZ_COMPRESS_METHOD_LZMA: + method = "lzma"; + break; + case MZ_COMPRESS_METHOD_XZ: + method = "xz"; + break; + case MZ_COMPRESS_METHOD_ZSTD: + method = "zstd"; + break; + } + return method; +} + +/***************************************************************************/ diff --git a/Externals/minizip/mz_zip.h b/Externals/minizip/mz_zip.h new file mode 100644 index 0000000000..e3d1fbd523 --- /dev/null +++ b/Externals/minizip/mz_zip.h @@ -0,0 +1,259 @@ +/* mz_zip.h -- Zip manipulation + part of the minizip-ng project + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + Copyright (C) 2009-2010 Mathias Svensson + Modifications for Zip64 support + http://result42.com + Copyright (C) 1998-2010 Gilles Vollant + https://www.winimage.com/zLibDll/minizip.html + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. +*/ + +#ifndef MZ_ZIP_H +#define MZ_ZIP_H + +#ifdef __cplusplus +extern "C" { +#endif + +/***************************************************************************/ + +typedef struct mz_zip_file_s { + uint16_t version_madeby; /* version made by */ + uint16_t version_needed; /* version needed to extract */ + uint16_t flag; /* general purpose bit flag */ + uint16_t compression_method; /* compression method */ + time_t modified_date; /* last modified date in unix time */ + time_t accessed_date; /* last accessed date in unix time */ + time_t creation_date; /* creation date in unix time */ + uint32_t crc; /* crc-32 */ + int64_t compressed_size; /* compressed size */ + int64_t uncompressed_size; /* uncompressed size */ + uint16_t filename_size; /* filename length */ + uint16_t extrafield_size; /* extra field length */ + uint16_t comment_size; /* file comment length */ + uint32_t disk_number; /* disk number start */ + int64_t disk_offset; /* relative offset of local header */ + uint16_t internal_fa; /* internal file attributes */ + uint32_t external_fa; /* external file attributes */ + + const char *filename; /* filename utf8 null-terminated string */ + const uint8_t *extrafield; /* extrafield data */ + const char *comment; /* comment utf8 null-terminated string */ + const char *linkname; /* sym-link filename utf8 null-terminated string */ + + uint16_t zip64; /* zip64 extension mode */ + uint16_t aes_version; /* winzip aes extension if not 0 */ + uint8_t aes_encryption_mode; /* winzip aes encryption mode */ + uint16_t pk_verify; /* pkware encryption verifier */ + +} mz_zip_file, mz_zip_entry; + +/***************************************************************************/ + +typedef int32_t (*mz_zip_locate_entry_cb)(void *handle, void *userdata, mz_zip_file *file_info); + +/***************************************************************************/ + +void * mz_zip_create(void **handle); +/* Create zip instance for opening */ + +void mz_zip_delete(void **handle); +/* Delete zip object */ + +int32_t mz_zip_open(void *handle, void *stream, int32_t mode); +/* Create a zip file, no delete file in zip functionality */ + +int32_t mz_zip_close(void *handle); +/* Close the zip file */ + +int32_t mz_zip_get_comment(void *handle, const char **comment); +/* Get a pointer to the global comment */ + +int32_t mz_zip_set_comment(void *handle, const char *comment); +/* Sets the global comment used for writing zip file */ + +int32_t mz_zip_get_version_madeby(void *handle, uint16_t *version_madeby); +/* Get the version made by */ + +int32_t mz_zip_set_version_madeby(void *handle, uint16_t version_madeby); +/* Sets the version made by used for writing zip file */ + +int32_t mz_zip_set_recover(void *handle, uint8_t recover); +/* Sets the ability to recover the central dir by reading local file headers */ + +int32_t mz_zip_set_data_descriptor(void *handle, uint8_t data_descriptor); +/* Sets the use of data descriptor flag when writing zip entries */ + +int32_t mz_zip_get_stream(void *handle, void **stream); +/* Get a pointer to the stream used to open */ + +int32_t mz_zip_set_cd_stream(void *handle, int64_t cd_start_pos, void *cd_stream); +/* Sets the stream to use for reading the central dir */ + +int32_t mz_zip_get_cd_mem_stream(void *handle, void **cd_mem_stream); +/* Get a pointer to the stream used to store the central dir in memory */ + +int32_t mz_zip_set_number_entry(void *handle, uint64_t number_entry); +/* Sets the total number of entries */ + +int32_t mz_zip_get_number_entry(void *handle, uint64_t *number_entry); +/* Get the total number of entries */ + +int32_t mz_zip_set_disk_number_with_cd(void *handle, uint32_t disk_number_with_cd); +/* Sets the disk number containing the central directory record */ + +int32_t mz_zip_get_disk_number_with_cd(void *handle, uint32_t *disk_number_with_cd); +/* Get the disk number containing the central directory record */ + +/***************************************************************************/ + +int32_t mz_zip_entry_is_open(void *handle); +/* Check to see if entry is open for read/write */ + +int32_t mz_zip_entry_read_open(void *handle, uint8_t raw, const char *password); +/* Open for reading the current file in the zip file */ + +int32_t mz_zip_entry_read(void *handle, void *buf, int32_t len); +/* Read bytes from the current file in the zip file */ + +int32_t mz_zip_entry_read_close(void *handle, uint32_t *crc32, int64_t *compressed_size, + int64_t *uncompressed_size); +/* Close the current file for reading and get data descriptor values */ + +int32_t mz_zip_entry_write_open(void *handle, const mz_zip_file *file_info, + int16_t compress_level, uint8_t raw, const char *password); +/* Open for writing the current file in the zip file */ + +int32_t mz_zip_entry_write(void *handle, const void *buf, int32_t len); +/* Write bytes from the current file in the zip file */ + +int32_t mz_zip_entry_write_close(void *handle, uint32_t crc32, int64_t compressed_size, + int64_t uncompressed_size); +/* Close the current file for writing and set data descriptor values */ + +int32_t mz_zip_entry_seek_local_header(void *handle); +/* Seeks to the local header for the entry */ + +int32_t mz_zip_entry_close_raw(void *handle, int64_t uncompressed_size, uint32_t crc32); +/* Close the current file in the zip file where raw is compressed data */ + +int32_t mz_zip_entry_close(void *handle); +/* Close the current file in the zip file */ + +/***************************************************************************/ + +int32_t mz_zip_entry_is_dir(void *handle); +/* Checks to see if the entry is a directory */ + +int32_t mz_zip_entry_is_symlink(void *handle); +/* Checks to see if the entry is a symbolic link */ + +int32_t mz_zip_entry_get_info(void *handle, mz_zip_file **file_info); +/* Get info about the current file, only valid while current entry is open */ + +int32_t mz_zip_entry_get_local_info(void *handle, mz_zip_file **local_file_info); +/* Get local info about the current file, only valid while current entry is being read */ + +int32_t mz_zip_entry_set_extrafield(void *handle, const uint8_t *extrafield, uint16_t extrafield_size); +/* Sets or updates the extra field for the entry to be used before writing cd */ + +int64_t mz_zip_get_entry(void *handle); +/* Return offset of the current entry in the zip file */ + +int32_t mz_zip_goto_entry(void *handle, int64_t cd_pos); +/* Go to specified entry in the zip file */ + +int32_t mz_zip_goto_first_entry(void *handle); +/* Go to the first entry in the zip file */ + +int32_t mz_zip_goto_next_entry(void *handle); +/* Go to the next entry in the zip file or MZ_END_OF_LIST if reaching the end */ + +int32_t mz_zip_locate_entry(void *handle, const char *filename, uint8_t ignore_case); +/* Locate the file with the specified name in the zip file or MZ_END_LIST if not found */ + +int32_t mz_zip_locate_first_entry(void *handle, void *userdata, mz_zip_locate_entry_cb cb); +/* Locate the first matching entry based on a match callback */ + +int32_t mz_zip_locate_next_entry(void *handle, void *userdata, mz_zip_locate_entry_cb cb); +/* Locate the next matching entry based on a match callback */ + +/***************************************************************************/ + +int32_t mz_zip_attrib_is_dir(uint32_t attrib, int32_t version_madeby); +/* Checks to see if the attribute is a directory based on platform */ + +int32_t mz_zip_attrib_is_symlink(uint32_t attrib, int32_t version_madeby); +/* Checks to see if the attribute is a symbolic link based on platform */ + +int32_t mz_zip_attrib_convert(uint8_t src_sys, uint32_t src_attrib, uint8_t target_sys, + uint32_t *target_attrib); +/* Converts file attributes from one host system to another */ + +int32_t mz_zip_attrib_posix_to_win32(uint32_t posix_attrib, uint32_t *win32_attrib); +/* Converts posix file attributes to win32 file attributes */ + +int32_t mz_zip_attrib_win32_to_posix(uint32_t win32_attrib, uint32_t *posix_attrib); +/* Converts win32 file attributes to posix file attributes */ + +/***************************************************************************/ + +int32_t mz_zip_extrafield_find(void *stream, uint16_t type, int32_t max_seek, uint16_t *length); +/* Seeks to extra field by its type and returns its length */ + +int32_t mz_zip_extrafield_contains(const uint8_t *extrafield, int32_t extrafield_size, + uint16_t type, uint16_t *length); +/* Gets whether an extrafield exists and its size */ + +int32_t mz_zip_extrafield_read(void *stream, uint16_t *type, uint16_t *length); +/* Reads an extrafield header from a stream */ + +int32_t mz_zip_extrafield_write(void *stream, uint16_t type, uint16_t length); +/* Writes an extrafield header to a stream */ + +/***************************************************************************/ + +int32_t mz_zip_dosdate_to_tm(uint64_t dos_date, struct tm *ptm); +/* Convert dos date/time format to struct tm */ + +time_t mz_zip_dosdate_to_time_t(uint64_t dos_date); +/* Convert dos date/time format to time_t */ + +int32_t mz_zip_time_t_to_tm(time_t unix_time, struct tm *ptm); +/* Convert time_t to time struct */ + +uint32_t mz_zip_time_t_to_dos_date(time_t unix_time); +/* Convert time_t to dos date/time format */ + +uint32_t mz_zip_tm_to_dosdate(const struct tm *ptm); +/* Convert struct tm to dos date/time format */ + +int32_t mz_zip_ntfs_to_unix_time(uint64_t ntfs_time, time_t *unix_time); +/* Convert ntfs time to unix time */ + +int32_t mz_zip_unix_to_ntfs_time(time_t unix_time, uint64_t *ntfs_time); +/* Convert unix time to ntfs time */ + +/***************************************************************************/ + +int32_t mz_zip_path_compare(const char *path1, const char *path2, uint8_t ignore_case); +/* Compare two paths without regard to slashes */ + +/***************************************************************************/ + +const +char* mz_zip_get_compression_method_string(int32_t compression_method); +/* Gets a string representing the compression method */ + +/***************************************************************************/ + +#ifdef __cplusplus +} +#endif + +#endif /* _ZIP_H */ diff --git a/Externals/minizip/mz_zip_rw.c b/Externals/minizip/mz_zip_rw.c new file mode 100644 index 0000000000..464e559057 --- /dev/null +++ b/Externals/minizip/mz_zip_rw.c @@ -0,0 +1,1943 @@ +/* mz_zip_rw.c -- Zip reader/writer + part of the minizip-ng project + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. +*/ + +#include "mz.h" +#include "mz_crypt.h" +#include "mz_os.h" +#include "mz_strm.h" +#include "mz_strm_buf.h" +#include "mz_strm_mem.h" +#include "mz_strm_os.h" +#include "mz_strm_split.h" +#include "mz_strm_wzaes.h" +#include "mz_zip.h" + +#include "mz_zip_rw.h" + +/***************************************************************************/ + +#define MZ_DEFAULT_PROGRESS_INTERVAL (1000u) + +#define MZ_ZIP_CD_FILENAME ("__cdcd__") + +/***************************************************************************/ + +typedef struct mz_zip_reader_s { + void *zip_handle; + void *file_stream; + void *buffered_stream; + void *split_stream; + void *mem_stream; + void *hash; + uint16_t hash_algorithm; + uint16_t hash_digest_size; + mz_zip_file *file_info; + const char *pattern; + uint8_t pattern_ignore_case; + const char *password; + void *overwrite_userdata; + mz_zip_reader_overwrite_cb + overwrite_cb; + void *password_userdata; + mz_zip_reader_password_cb + password_cb; + void *progress_userdata; + mz_zip_reader_progress_cb + progress_cb; + uint32_t progress_cb_interval_ms; + void *entry_userdata; + mz_zip_reader_entry_cb + entry_cb; + uint8_t raw; + uint8_t buffer[UINT16_MAX]; + int32_t encoding; + uint8_t sign_required; + uint8_t cd_verified; + uint8_t cd_zipped; + uint8_t entry_verified; + uint8_t recover; +} mz_zip_reader; + +/***************************************************************************/ + +int32_t mz_zip_reader_is_open(void *handle) { + mz_zip_reader *reader = (mz_zip_reader *)handle; + if (reader == NULL) + return MZ_PARAM_ERROR; + if (reader->zip_handle == NULL) + return MZ_PARAM_ERROR; + return MZ_OK; +} + +int32_t mz_zip_reader_open(void *handle, void *stream) { + mz_zip_reader *reader = (mz_zip_reader *)handle; + int32_t err = MZ_OK; + + reader->cd_verified = 0; + reader->cd_zipped = 0; + + mz_zip_create(&reader->zip_handle); + mz_zip_set_recover(reader->zip_handle, reader->recover); + + err = mz_zip_open(reader->zip_handle, stream, MZ_OPEN_MODE_READ); + + if (err != MZ_OK) { + mz_zip_reader_close(handle); + return err; + } + + mz_zip_reader_unzip_cd(reader); + return MZ_OK; +} + +int32_t mz_zip_reader_open_file(void *handle, const char *path) { + mz_zip_reader *reader = (mz_zip_reader *)handle; + int32_t err = MZ_OK; + + + mz_zip_reader_close(handle); + + mz_stream_os_create(&reader->file_stream); + mz_stream_buffered_create(&reader->buffered_stream); + mz_stream_split_create(&reader->split_stream); + + mz_stream_set_base(reader->buffered_stream, reader->file_stream); + mz_stream_set_base(reader->split_stream, reader->buffered_stream); + + err = mz_stream_open(reader->split_stream, path, MZ_OPEN_MODE_READ); + if (err == MZ_OK) + err = mz_zip_reader_open(handle, reader->split_stream); + return err; +} + +int32_t mz_zip_reader_open_file_in_memory(void *handle, const char *path) { + mz_zip_reader *reader = (mz_zip_reader *)handle; + void *file_stream = NULL; + int64_t file_size = 0; + int32_t err = 0; + + + mz_zip_reader_close(handle); + + mz_stream_os_create(&file_stream); + + err = mz_stream_os_open(file_stream, path, MZ_OPEN_MODE_READ); + + if (err != MZ_OK) { + mz_stream_os_delete(&file_stream); + mz_zip_reader_close(handle); + return err; + } + + mz_stream_os_seek(file_stream, 0, MZ_SEEK_END); + file_size = mz_stream_os_tell(file_stream); + mz_stream_os_seek(file_stream, 0, MZ_SEEK_SET); + + if ((file_size <= 0) || (file_size > UINT32_MAX)) { + /* Memory size is too large or too small */ + + mz_stream_os_close(file_stream); + mz_stream_os_delete(&file_stream); + mz_zip_reader_close(handle); + return MZ_MEM_ERROR; + } + + mz_stream_mem_create(&reader->mem_stream); + mz_stream_mem_set_grow_size(reader->mem_stream, (int32_t)file_size); + mz_stream_mem_open(reader->mem_stream, NULL, MZ_OPEN_MODE_CREATE); + + err = mz_stream_copy(reader->mem_stream, file_stream, (int32_t)file_size); + + mz_stream_os_close(file_stream); + mz_stream_os_delete(&file_stream); + + if (err == MZ_OK) + err = mz_zip_reader_open(handle, reader->mem_stream); + if (err != MZ_OK) + mz_zip_reader_close(handle); + + return err; +} + +int32_t mz_zip_reader_open_buffer(void *handle, uint8_t *buf, int32_t len, uint8_t copy) { + mz_zip_reader *reader = (mz_zip_reader *)handle; + int32_t err = MZ_OK; + + mz_zip_reader_close(handle); + + mz_stream_mem_create(&reader->mem_stream); + + if (copy) { + mz_stream_mem_set_grow_size(reader->mem_stream, len); + mz_stream_mem_open(reader->mem_stream, NULL, MZ_OPEN_MODE_CREATE); + mz_stream_mem_write(reader->mem_stream, buf, len); + mz_stream_mem_seek(reader->mem_stream, 0, MZ_SEEK_SET); + } else { + mz_stream_mem_open(reader->mem_stream, NULL, MZ_OPEN_MODE_READ); + mz_stream_mem_set_buffer(reader->mem_stream, buf, len); + } + + if (err == MZ_OK) + err = mz_zip_reader_open(handle, reader->mem_stream); + + return err; +} + +int32_t mz_zip_reader_close(void *handle) { + mz_zip_reader *reader = (mz_zip_reader *)handle; + int32_t err = MZ_OK; + + if (reader->zip_handle != NULL) { + err = mz_zip_close(reader->zip_handle); + mz_zip_delete(&reader->zip_handle); + } + + if (reader->split_stream != NULL) { + mz_stream_split_close(reader->split_stream); + mz_stream_split_delete(&reader->split_stream); + } + + if (reader->buffered_stream != NULL) + mz_stream_buffered_delete(&reader->buffered_stream); + + if (reader->file_stream != NULL) + mz_stream_os_delete(&reader->file_stream); + + if (reader->mem_stream != NULL) { + mz_stream_mem_close(reader->mem_stream); + mz_stream_mem_delete(&reader->mem_stream); + } + + return err; +} + +/***************************************************************************/ + +int32_t mz_zip_reader_unzip_cd(void *handle) { + mz_zip_reader *reader = (mz_zip_reader *)handle; + mz_zip_file *cd_info = NULL; + void *cd_mem_stream = NULL; + void *new_cd_stream = NULL; + void *file_extra_stream = NULL; + uint64_t number_entry = 0; + int32_t err = MZ_OK; + + + err = mz_zip_reader_goto_first_entry(handle); + if (err != MZ_OK) + return err; + err = mz_zip_reader_entry_get_info(handle, &cd_info); + if (err != MZ_OK) + return err; + + if (strcmp(cd_info->filename, MZ_ZIP_CD_FILENAME) != 0) + return mz_zip_reader_goto_first_entry(handle); + + err = mz_zip_reader_entry_open(handle); + if (err != MZ_OK) + return err; + + mz_stream_mem_create(&file_extra_stream); + mz_stream_mem_set_buffer(file_extra_stream, (void *)cd_info->extrafield, cd_info->extrafield_size); + + err = mz_zip_extrafield_find(file_extra_stream, MZ_ZIP_EXTENSION_CDCD, INT32_MAX, NULL); + if (err == MZ_OK) + err = mz_stream_read_uint64(file_extra_stream, &number_entry); + + mz_stream_mem_delete(&file_extra_stream); + + if (err != MZ_OK) + return err; + + mz_zip_get_cd_mem_stream(reader->zip_handle, &cd_mem_stream); + if (mz_stream_mem_is_open(cd_mem_stream) != MZ_OK) + mz_stream_mem_open(cd_mem_stream, NULL, MZ_OPEN_MODE_CREATE); + + err = mz_stream_seek(cd_mem_stream, 0, MZ_SEEK_SET); + if (err == MZ_OK) + err = mz_stream_copy_stream(cd_mem_stream, NULL, handle, mz_zip_reader_entry_read, + (int32_t)cd_info->uncompressed_size); + + if (err == MZ_OK) { + reader->cd_zipped = 1; + + mz_zip_set_cd_stream(reader->zip_handle, 0, cd_mem_stream); + mz_zip_set_number_entry(reader->zip_handle, number_entry); + + err = mz_zip_reader_goto_first_entry(handle); + } + + reader->cd_verified = reader->entry_verified; + + mz_stream_mem_delete(&new_cd_stream); + return err; +} + +/***************************************************************************/ + +static int32_t mz_zip_reader_locate_entry_cb(void *handle, void *userdata, mz_zip_file *file_info) { + mz_zip_reader *reader = (mz_zip_reader *)userdata; + int32_t result = 0; + MZ_UNUSED(handle); + result = mz_path_compare_wc(file_info->filename, reader->pattern, reader->pattern_ignore_case); + return result; +} + +int32_t mz_zip_reader_goto_first_entry(void *handle) { + mz_zip_reader *reader = (mz_zip_reader *)handle; + int32_t err = MZ_OK; + + if (mz_zip_reader_is_open(handle) != MZ_OK) + return MZ_PARAM_ERROR; + + if (mz_zip_entry_is_open(reader->zip_handle) == MZ_OK) + mz_zip_reader_entry_close(handle); + + if (reader->pattern == NULL) + err = mz_zip_goto_first_entry(reader->zip_handle); + else + err = mz_zip_locate_first_entry(reader->zip_handle, reader, mz_zip_reader_locate_entry_cb); + + reader->file_info = NULL; + if (err == MZ_OK) + err = mz_zip_entry_get_info(reader->zip_handle, &reader->file_info); + + return err; +} + +int32_t mz_zip_reader_goto_next_entry(void *handle) { + mz_zip_reader *reader = (mz_zip_reader *)handle; + int32_t err = MZ_OK; + + if (mz_zip_reader_is_open(handle) != MZ_OK) + return MZ_PARAM_ERROR; + + if (mz_zip_entry_is_open(reader->zip_handle) == MZ_OK) + mz_zip_reader_entry_close(handle); + + if (reader->pattern == NULL) + err = mz_zip_goto_next_entry(reader->zip_handle); + else + err = mz_zip_locate_next_entry(reader->zip_handle, reader, mz_zip_reader_locate_entry_cb); + + reader->file_info = NULL; + if (err == MZ_OK) + err = mz_zip_entry_get_info(reader->zip_handle, &reader->file_info); + + return err; +} + +int32_t mz_zip_reader_locate_entry(void *handle, const char *filename, uint8_t ignore_case) { + mz_zip_reader *reader = (mz_zip_reader *)handle; + int32_t err = MZ_OK; + + if (mz_zip_entry_is_open(reader->zip_handle) == MZ_OK) + mz_zip_reader_entry_close(handle); + + err = mz_zip_locate_entry(reader->zip_handle, filename, ignore_case); + + reader->file_info = NULL; + if (err == MZ_OK) + err = mz_zip_entry_get_info(reader->zip_handle, &reader->file_info); + + return err; +} + +/***************************************************************************/ + +int32_t mz_zip_reader_entry_open(void *handle) { + mz_zip_reader *reader = (mz_zip_reader *)handle; + int32_t err = MZ_OK; + const char *password = NULL; + char password_buf[120]; + + + reader->entry_verified = 0; + + if (mz_zip_reader_is_open(reader) != MZ_OK) + return MZ_PARAM_ERROR; + if (reader->file_info == NULL) + return MZ_PARAM_ERROR; + + /* If the entry isn't open for reading, open it */ + if (mz_zip_entry_is_open(reader->zip_handle) == MZ_OK) + return MZ_OK; + + password = reader->password; + + /* Check if we need a password and ask for it if we need to */ + if ((reader->file_info->flag & MZ_ZIP_FLAG_ENCRYPTED) && (password == NULL) && + (reader->password_cb != NULL)) { + reader->password_cb(handle, reader->password_userdata, reader->file_info, + password_buf, sizeof(password_buf)); + + password = password_buf; + } + + err = mz_zip_entry_read_open(reader->zip_handle, reader->raw, password); +#ifndef MZ_ZIP_NO_CRYPTO + if (err != MZ_OK) + return err; + + if (mz_zip_reader_entry_get_first_hash(handle, &reader->hash_algorithm, &reader->hash_digest_size) == MZ_OK) { + mz_crypt_sha_create(&reader->hash); + if (reader->hash_algorithm == MZ_HASH_SHA1) + mz_crypt_sha_set_algorithm(reader->hash, MZ_HASH_SHA1); + else if (reader->hash_algorithm == MZ_HASH_SHA256) + mz_crypt_sha_set_algorithm(reader->hash, MZ_HASH_SHA256); + else + err = MZ_SUPPORT_ERROR; + + if (err == MZ_OK) + mz_crypt_sha_begin(reader->hash); +#ifdef MZ_ZIP_SIGNING + if (err == MZ_OK) { + if (mz_zip_reader_entry_has_sign(handle) == MZ_OK) { + err = mz_zip_reader_entry_sign_verify(handle); + if (err == MZ_OK) + reader->entry_verified = 1; + } else if (reader->sign_required && !reader->cd_verified) + err = MZ_SIGN_ERROR; + } +#endif + } else if (reader->sign_required && !reader->cd_verified) + err = MZ_SIGN_ERROR; +#endif + + return err; +} + +int32_t mz_zip_reader_entry_close(void *handle) { + mz_zip_reader *reader = (mz_zip_reader *)handle; + int32_t err = MZ_OK; + int32_t err_close = MZ_OK; +#ifndef MZ_ZIP_NO_CRYPTO + int32_t err_hash = MZ_OK; + uint8_t computed_hash[MZ_HASH_MAX_SIZE]; + uint8_t expected_hash[MZ_HASH_MAX_SIZE]; + + if (reader->hash != NULL) { + mz_crypt_sha_end(reader->hash, computed_hash, sizeof(computed_hash)); + mz_crypt_sha_delete(&reader->hash); + + err_hash = mz_zip_reader_entry_get_hash(handle, reader->hash_algorithm, expected_hash, + reader->hash_digest_size); + + if (err_hash == MZ_OK) { + /* Verify expected hash against computed hash */ + if (memcmp(computed_hash, expected_hash, reader->hash_digest_size) != 0) + err = MZ_CRC_ERROR; + } + } +#endif + + err_close = mz_zip_entry_close(reader->zip_handle); + if (err == MZ_OK) + err = err_close; + return err; +} + +int32_t mz_zip_reader_entry_read(void *handle, void *buf, int32_t len) { + mz_zip_reader *reader = (mz_zip_reader *)handle; + int32_t read = 0; + read = mz_zip_entry_read(reader->zip_handle, buf, len); +#ifndef MZ_ZIP_NO_CRYPTO + if ((read > 0) && (reader->hash != NULL)) + mz_crypt_sha_update(reader->hash, buf, read); +#endif + return read; +} + +int32_t mz_zip_reader_entry_has_sign(void *handle) { + mz_zip_reader *reader = (mz_zip_reader *)handle; + + if (reader == NULL || mz_zip_entry_is_open(reader->zip_handle) != MZ_OK) + return MZ_PARAM_ERROR; + + return mz_zip_extrafield_contains(reader->file_info->extrafield, + reader->file_info->extrafield_size, MZ_ZIP_EXTENSION_SIGN, NULL); +} + +#if !defined(MZ_ZIP_NO_CRYPTO) && defined(MZ_ZIP_SIGNING) +int32_t mz_zip_reader_entry_sign_verify(void *handle) { + mz_zip_reader *reader = (mz_zip_reader *)handle; + void *file_extra_stream = NULL; + int32_t err = MZ_OK; + uint8_t *signature = NULL; + uint16_t signature_size = 0; + uint8_t hash[MZ_HASH_MAX_SIZE]; + + if (reader == NULL || mz_zip_entry_is_open(reader->zip_handle) != MZ_OK) + return MZ_PARAM_ERROR; + + mz_stream_mem_create(&file_extra_stream); + mz_stream_mem_set_buffer(file_extra_stream, (void *)reader->file_info->extrafield, + reader->file_info->extrafield_size); + + err = mz_zip_extrafield_find(file_extra_stream, MZ_ZIP_EXTENSION_SIGN, INT32_MAX, &signature_size); + if ((err == MZ_OK) && (signature_size > 0)) { + signature = (uint8_t *)MZ_ALLOC(signature_size); + if (mz_stream_read(file_extra_stream, signature, signature_size) != signature_size) + err = MZ_READ_ERROR; + } + + mz_stream_mem_delete(&file_extra_stream); + + if (err == MZ_OK) { + /* Get most secure hash to verify signature against */ + err = mz_zip_reader_entry_get_hash(handle, reader->hash_algorithm, hash, reader->hash_digest_size); + } + + if (err == MZ_OK) { + /* Verify the pkcs signature */ + err = mz_crypt_sign_verify(hash, reader->hash_digest_size, signature, signature_size); + } + + if (signature != NULL) + MZ_FREE(signature); + + return err; +} +#endif + +int32_t mz_zip_reader_entry_get_hash(void *handle, uint16_t algorithm, uint8_t *digest, int32_t digest_size) { + mz_zip_reader *reader = (mz_zip_reader *)handle; + void *file_extra_stream = NULL; + int32_t err = MZ_OK; + int32_t return_err = MZ_EXIST_ERROR; + uint16_t cur_algorithm = 0; + uint16_t cur_digest_size = 0; + + mz_stream_mem_create(&file_extra_stream); + mz_stream_mem_set_buffer(file_extra_stream, (void *)reader->file_info->extrafield, + reader->file_info->extrafield_size); + + do { + err = mz_zip_extrafield_find(file_extra_stream, MZ_ZIP_EXTENSION_HASH, INT32_MAX, NULL); + if (err != MZ_OK) + break; + + err = mz_stream_read_uint16(file_extra_stream, &cur_algorithm); + if (err == MZ_OK) + err = mz_stream_read_uint16(file_extra_stream, &cur_digest_size); + if ((err == MZ_OK) && (cur_algorithm == algorithm) && (cur_digest_size <= digest_size) && + (cur_digest_size <= MZ_HASH_MAX_SIZE)) { + /* Read hash digest */ + if (mz_stream_read(file_extra_stream, digest, digest_size) == cur_digest_size) + return_err = MZ_OK; + break; + } else { + err = mz_stream_seek(file_extra_stream, cur_digest_size, MZ_SEEK_CUR); + } + } while (err == MZ_OK); + + mz_stream_mem_delete(&file_extra_stream); + + return return_err; +} + +int32_t mz_zip_reader_entry_get_first_hash(void *handle, uint16_t *algorithm, uint16_t *digest_size) { + mz_zip_reader *reader = (mz_zip_reader *)handle; + void *file_extra_stream = NULL; + int32_t err = MZ_OK; + uint16_t cur_algorithm = 0; + uint16_t cur_digest_size = 0; + + if (reader == NULL || algorithm == NULL) + return MZ_PARAM_ERROR; + + mz_stream_mem_create(&file_extra_stream); + mz_stream_mem_set_buffer(file_extra_stream, (void *)reader->file_info->extrafield, + reader->file_info->extrafield_size); + + err = mz_zip_extrafield_find(file_extra_stream, MZ_ZIP_EXTENSION_HASH, INT32_MAX, NULL); + if (err == MZ_OK) + err = mz_stream_read_uint16(file_extra_stream, &cur_algorithm); + if (err == MZ_OK) + err = mz_stream_read_uint16(file_extra_stream, &cur_digest_size); + + if (algorithm != NULL) + *algorithm = cur_algorithm; + if (digest_size != NULL) + *digest_size = cur_digest_size; + + mz_stream_mem_delete(&file_extra_stream); + + return err; +} + +int32_t mz_zip_reader_entry_get_info(void *handle, mz_zip_file **file_info) { + mz_zip_reader *reader = (mz_zip_reader *)handle; + int32_t err = MZ_OK; + if (file_info == NULL || mz_zip_reader_is_open(handle) != MZ_OK) + return MZ_PARAM_ERROR; + *file_info = reader->file_info; + if (*file_info == NULL) + return MZ_EXIST_ERROR; + return err; +} + +int32_t mz_zip_reader_entry_is_dir(void *handle) { + mz_zip_reader *reader = (mz_zip_reader *)handle; + if (mz_zip_reader_is_open(handle) != MZ_OK) + return MZ_PARAM_ERROR; + return mz_zip_entry_is_dir(reader->zip_handle); +} + +int32_t mz_zip_reader_entry_save_process(void *handle, void *stream, mz_stream_write_cb write_cb) { + mz_zip_reader *reader = (mz_zip_reader *)handle; + int32_t err = MZ_OK; + int32_t read = 0; + int32_t written = 0; + + + if (mz_zip_reader_is_open(reader) != MZ_OK) + return MZ_PARAM_ERROR; + if (reader->file_info == NULL) + return MZ_PARAM_ERROR; + if (write_cb == NULL) + return MZ_PARAM_ERROR; + + /* If the entry isn't open for reading, open it */ + if (mz_zip_entry_is_open(reader->zip_handle) != MZ_OK) + err = mz_zip_reader_entry_open(handle); + + if (err != MZ_OK) + return err; + + /* Unzip entry in zip file */ + read = mz_zip_reader_entry_read(handle, reader->buffer, sizeof(reader->buffer)); + + if (read == 0) { + /* If we are done close the entry */ + err = mz_zip_reader_entry_close(handle); + if (err != MZ_OK) + return err; + + return MZ_END_OF_STREAM; + } + + if (read > 0) { + /* Write the data to the specified stream */ + written = write_cb(stream, reader->buffer, read); + if (written != read) + return MZ_WRITE_ERROR; + } + + return read; +} + +int32_t mz_zip_reader_entry_save(void *handle, void *stream, mz_stream_write_cb write_cb) { + mz_zip_reader *reader = (mz_zip_reader *)handle; + uint64_t current_time = 0; + uint64_t update_time = 0; + int64_t current_pos = 0; + int64_t update_pos = 0; + int32_t err = MZ_OK; + int32_t written = 0; + + if (mz_zip_reader_is_open(reader) != MZ_OK) + return MZ_PARAM_ERROR; + if (reader->file_info == NULL) + return MZ_PARAM_ERROR; + + /* Update the progress at the beginning */ + if (reader->progress_cb != NULL) + reader->progress_cb(handle, reader->progress_userdata, reader->file_info, current_pos); + + /* Write data to stream until done */ + while (err == MZ_OK) { + written = mz_zip_reader_entry_save_process(handle, stream, write_cb); + if (written == MZ_END_OF_STREAM) + break; + if (written > 0) + current_pos += written; + if (written < 0) + err = written; + + /* Update progress if enough time have passed */ + current_time = mz_os_ms_time(); + if ((current_time - update_time) > reader->progress_cb_interval_ms) { + if (reader->progress_cb != NULL) + reader->progress_cb(handle, reader->progress_userdata, reader->file_info, current_pos); + + update_pos = current_pos; + update_time = current_time; + } + } + + /* Update the progress at the end */ + if (reader->progress_cb != NULL && update_pos != current_pos) + reader->progress_cb(handle, reader->progress_userdata, reader->file_info, current_pos); + + return err; +} + +int32_t mz_zip_reader_entry_save_file(void *handle, const char *path) { + mz_zip_reader *reader = (mz_zip_reader *)handle; + void *stream = NULL; + uint32_t target_attrib = 0; + int32_t err_attrib = 0; + int32_t err = MZ_OK; + int32_t err_cb = MZ_OK; + char pathwfs[512]; + char directory[512]; + + if (mz_zip_reader_is_open(reader) != MZ_OK) + return MZ_PARAM_ERROR; + if (reader->file_info == NULL || path == NULL) + return MZ_PARAM_ERROR; + + /* Convert to forward slashes for unix which doesn't like backslashes */ + strncpy(pathwfs, path, sizeof(pathwfs) - 1); + pathwfs[sizeof(pathwfs) - 1] = 0; + mz_path_convert_slashes(pathwfs, MZ_PATH_SLASH_UNIX); + + if (reader->entry_cb != NULL) + reader->entry_cb(handle, reader->entry_userdata, reader->file_info, pathwfs); + + strncpy(directory, pathwfs, sizeof(directory) - 1); + directory[sizeof(directory) - 1] = 0; + mz_path_remove_filename(directory); + + /* If it is a directory entry then create a directory instead of writing file */ + if ((mz_zip_entry_is_dir(reader->zip_handle) == MZ_OK) && + (mz_zip_entry_is_symlink(reader->zip_handle) != MZ_OK)) { + err = mz_dir_make(directory); + return err; + } + + /* Check if file exists and ask if we want to overwrite */ + if ((mz_os_file_exists(pathwfs) == MZ_OK) && (reader->overwrite_cb != NULL)) { + err_cb = reader->overwrite_cb(handle, reader->overwrite_userdata, reader->file_info, pathwfs); + if (err_cb != MZ_OK) + return err; + /* We want to overwrite the file so we delete the existing one */ + mz_os_unlink(pathwfs); + } + + /* If symbolic link then properly construct destination path and link path */ + if (mz_zip_entry_is_symlink(reader->zip_handle) == MZ_OK) { + mz_path_remove_slash(pathwfs); + mz_path_remove_filename(directory); + } + + /* Create the output directory if it doesn't already exist */ + if (mz_os_is_dir(directory) != MZ_OK) { + err = mz_dir_make(directory); + if (err != MZ_OK) + return err; + } + + /* If it is a symbolic link then create symbolic link instead of writing file */ + if (mz_zip_entry_is_symlink(reader->zip_handle) == MZ_OK) { + mz_os_make_symlink(pathwfs, reader->file_info->linkname); + /* Don't check return value because we aren't validating symbolic link target */ + return err; + } + + /* Create the file on disk so we can save to it */ + mz_stream_os_create(&stream); + err = mz_stream_os_open(stream, pathwfs, MZ_OPEN_MODE_CREATE); + + if (err == MZ_OK) + err = mz_zip_reader_entry_save(handle, stream, mz_stream_write); + + mz_stream_close(stream); + mz_stream_delete(&stream); + + if (err == MZ_OK) { + /* Set the time of the file that has been created */ + mz_os_set_file_date(pathwfs, reader->file_info->modified_date, + reader->file_info->accessed_date, reader->file_info->creation_date); + } + + if (err == MZ_OK) { + /* Set file attributes for the correct system */ + err_attrib = mz_zip_attrib_convert(MZ_HOST_SYSTEM(reader->file_info->version_madeby), + reader->file_info->external_fa, MZ_VERSION_MADEBY_HOST_SYSTEM, &target_attrib); + + if (err_attrib == MZ_OK) + mz_os_set_file_attribs(pathwfs, target_attrib); + } + + return err; +} + +int32_t mz_zip_reader_entry_save_buffer(void *handle, void *buf, int32_t len) { + mz_zip_reader *reader = (mz_zip_reader *)handle; + void *mem_stream = NULL; + int32_t err = MZ_OK; + + if (mz_zip_reader_is_open(reader) != MZ_OK) + return MZ_PARAM_ERROR; + if (reader->file_info == NULL) + return MZ_PARAM_ERROR; + if (reader->file_info->uncompressed_size > INT32_MAX) + return MZ_PARAM_ERROR; + if (len != (int32_t)reader->file_info->uncompressed_size) + return MZ_BUF_ERROR; + + /* Create a memory stream backed by our buffer and save to it */ + mz_stream_mem_create(&mem_stream); + mz_stream_mem_set_buffer(mem_stream, buf, len); + + err = mz_stream_mem_open(mem_stream, NULL, MZ_OPEN_MODE_READ); + if (err == MZ_OK) + err = mz_zip_reader_entry_save(handle, mem_stream, mz_stream_mem_write); + + mz_stream_mem_delete(&mem_stream); + return err; +} + +int32_t mz_zip_reader_entry_save_buffer_length(void *handle) { + mz_zip_reader *reader = (mz_zip_reader *)handle; + + if (mz_zip_reader_is_open(reader) != MZ_OK) + return MZ_PARAM_ERROR; + if (reader->file_info == NULL) + return MZ_PARAM_ERROR; + if (reader->file_info->uncompressed_size > INT32_MAX) + return MZ_PARAM_ERROR; + + /* Get the maximum size required for the save buffer */ + return (int32_t)reader->file_info->uncompressed_size; +} + +/***************************************************************************/ + +int32_t mz_zip_reader_save_all(void *handle, const char *destination_dir) { + mz_zip_reader *reader = (mz_zip_reader *)handle; + int32_t err = MZ_OK; + uint8_t *utf8_string = NULL; + char path[512]; + char utf8_name[256]; + char resolved_name[256]; + + err = mz_zip_reader_goto_first_entry(handle); + + if (err == MZ_END_OF_LIST) + return err; + + while (err == MZ_OK) { + /* Construct output path */ + path[0] = 0; + + strncpy(utf8_name, reader->file_info->filename, sizeof(utf8_name) - 1); + utf8_name[sizeof(utf8_name) - 1] = 0; + + if ((reader->encoding > 0) && (reader->file_info->flag & MZ_ZIP_FLAG_UTF8) == 0) { + utf8_string = mz_os_utf8_string_create(reader->file_info->filename, reader->encoding); + if (utf8_string) { + strncpy(utf8_name, (char *)utf8_string, sizeof(utf8_name) - 1); + utf8_name[sizeof(utf8_name) - 1] = 0; + mz_os_utf8_string_delete(&utf8_string); + } + } + + err = mz_path_resolve(utf8_name, resolved_name, sizeof(resolved_name)); + if (err != MZ_OK) + break; + + if (destination_dir != NULL) + mz_path_combine(path, destination_dir, sizeof(path)); + + mz_path_combine(path, resolved_name, sizeof(path)); + + /* Save file to disk */ + err = mz_zip_reader_entry_save_file(handle, path); + + if (err == MZ_OK) + err = mz_zip_reader_goto_next_entry(handle); + } + + if (err == MZ_END_OF_LIST) + return MZ_OK; + + return err; +} + +/***************************************************************************/ + +void mz_zip_reader_set_pattern(void *handle, const char *pattern, uint8_t ignore_case) { + mz_zip_reader *reader = (mz_zip_reader *)handle; + reader->pattern = pattern; + reader->pattern_ignore_case = ignore_case; +} + +void mz_zip_reader_set_password(void *handle, const char *password) { + mz_zip_reader *reader = (mz_zip_reader *)handle; + reader->password = password; +} + +void mz_zip_reader_set_raw(void *handle, uint8_t raw) { + mz_zip_reader *reader = (mz_zip_reader *)handle; + reader->raw = raw; +} + +int32_t mz_zip_reader_get_raw(void *handle, uint8_t *raw) { + mz_zip_reader *reader = (mz_zip_reader *)handle; + if (raw == NULL) + return MZ_PARAM_ERROR; + *raw = reader->raw; + return MZ_OK; +} + +int32_t mz_zip_reader_get_zip_cd(void *handle, uint8_t *zip_cd) { + mz_zip_reader *reader = (mz_zip_reader *)handle; + if (zip_cd == NULL) + return MZ_PARAM_ERROR; + *zip_cd = reader->cd_zipped; + return MZ_OK; +} + +int32_t mz_zip_reader_get_comment(void *handle, const char **comment) { + mz_zip_reader *reader = (mz_zip_reader *)handle; + if (mz_zip_reader_is_open(reader) != MZ_OK) + return MZ_PARAM_ERROR; + if (comment == NULL) + return MZ_PARAM_ERROR; + return mz_zip_get_comment(reader->zip_handle, comment); +} + +int32_t mz_zip_reader_set_recover(void *handle, uint8_t recover) { + mz_zip_reader *reader = (mz_zip_reader *)handle; + if (reader == NULL) + return MZ_PARAM_ERROR; + reader->recover = recover; + return MZ_OK; +} + +void mz_zip_reader_set_encoding(void *handle, int32_t encoding) { + mz_zip_reader *reader = (mz_zip_reader *)handle; + reader->encoding = encoding; +} + +void mz_zip_reader_set_sign_required(void *handle, uint8_t sign_required) { + mz_zip_reader *reader = (mz_zip_reader *)handle; + reader->sign_required = sign_required; +} + +void mz_zip_reader_set_overwrite_cb(void *handle, void *userdata, mz_zip_reader_overwrite_cb cb) { + mz_zip_reader *reader = (mz_zip_reader *)handle; + reader->overwrite_cb = cb; + reader->overwrite_userdata = userdata; +} + +void mz_zip_reader_set_password_cb(void *handle, void *userdata, mz_zip_reader_password_cb cb) { + mz_zip_reader *reader = (mz_zip_reader *)handle; + reader->password_cb = cb; + reader->password_userdata = userdata; +} + +void mz_zip_reader_set_progress_cb(void *handle, void *userdata, mz_zip_reader_progress_cb cb) { + mz_zip_reader *reader = (mz_zip_reader *)handle; + reader->progress_cb = cb; + reader->progress_userdata = userdata; +} + +void mz_zip_reader_set_progress_interval(void *handle, uint32_t milliseconds) { + mz_zip_reader *reader = (mz_zip_reader *)handle; + reader->progress_cb_interval_ms = milliseconds; +} + +void mz_zip_reader_set_entry_cb(void *handle, void *userdata, mz_zip_reader_entry_cb cb) { + mz_zip_reader *reader = (mz_zip_reader *)handle; + reader->entry_cb = cb; + reader->entry_userdata = userdata; +} + +int32_t mz_zip_reader_get_zip_handle(void *handle, void **zip_handle) { + mz_zip_reader *reader = (mz_zip_reader *)handle; + if (zip_handle == NULL) + return MZ_PARAM_ERROR; + *zip_handle = reader->zip_handle; + if (*zip_handle == NULL) + return MZ_EXIST_ERROR; + return MZ_OK; +} + +/***************************************************************************/ + +void *mz_zip_reader_create(void **handle) { + mz_zip_reader *reader = NULL; + + reader = (mz_zip_reader *)MZ_ALLOC(sizeof(mz_zip_reader)); + if (reader != NULL) { + memset(reader, 0, sizeof(mz_zip_reader)); + reader->recover = 1; + reader->progress_cb_interval_ms = MZ_DEFAULT_PROGRESS_INTERVAL; + } + if (handle != NULL) + *handle = reader; + + return reader; +} + +void mz_zip_reader_delete(void **handle) { + mz_zip_reader *reader = NULL; + if (handle == NULL) + return; + reader = (mz_zip_reader *)*handle; + if (reader != NULL) { + mz_zip_reader_close(reader); + MZ_FREE(reader); + } + *handle = NULL; +} + +/***************************************************************************/ + +typedef struct mz_zip_writer_s { + void *zip_handle; + void *file_stream; + void *buffered_stream; + void *split_stream; + void *sha256; + void *mem_stream; + void *file_extra_stream; + mz_zip_file file_info; + void *overwrite_userdata; + mz_zip_writer_overwrite_cb + overwrite_cb; + void *password_userdata; + mz_zip_writer_password_cb + password_cb; + void *progress_userdata; + mz_zip_writer_progress_cb + progress_cb; + uint32_t progress_cb_interval_ms; + void *entry_userdata; + mz_zip_writer_entry_cb + entry_cb; + const char *password; + const char *comment; + uint8_t *cert_data; + int32_t cert_data_size; + const char *cert_pwd; + uint16_t compress_method; + int16_t compress_level; + uint8_t follow_links; + uint8_t store_links; + uint8_t zip_cd; + uint8_t aes; + uint8_t raw; + uint8_t buffer[UINT16_MAX]; +} mz_zip_writer; + +/***************************************************************************/ + +int32_t mz_zip_writer_zip_cd(void *handle) { + mz_zip_writer *writer = (mz_zip_writer *)handle; + mz_zip_file cd_file; + uint64_t number_entry = 0; + int64_t cd_mem_length = 0; + int32_t err = MZ_OK; + int32_t extrafield_size = 0; + void *file_extra_stream = NULL; + void *cd_mem_stream = NULL; + + + memset(&cd_file, 0, sizeof(cd_file)); + + mz_zip_get_number_entry(writer->zip_handle, &number_entry); + mz_zip_get_cd_mem_stream(writer->zip_handle, &cd_mem_stream); + mz_stream_seek(cd_mem_stream, 0, MZ_SEEK_END); + cd_mem_length = (uint32_t)mz_stream_tell(cd_mem_stream); + mz_stream_seek(cd_mem_stream, 0, MZ_SEEK_SET); + + cd_file.filename = MZ_ZIP_CD_FILENAME; + cd_file.modified_date = time(NULL); + cd_file.version_madeby = MZ_VERSION_MADEBY; + cd_file.compression_method = writer->compress_method; + cd_file.uncompressed_size = (int32_t)cd_mem_length; + cd_file.flag = MZ_ZIP_FLAG_UTF8; + + if (writer->password != NULL) + cd_file.flag |= MZ_ZIP_FLAG_ENCRYPTED; + + mz_stream_mem_create(&file_extra_stream); + mz_stream_mem_open(file_extra_stream, NULL, MZ_OPEN_MODE_CREATE); + + mz_zip_extrafield_write(file_extra_stream, MZ_ZIP_EXTENSION_CDCD, 8); + + mz_stream_write_uint64(file_extra_stream, number_entry); + + mz_stream_mem_get_buffer(file_extra_stream, (const void **)&cd_file.extrafield); + mz_stream_mem_get_buffer_length(file_extra_stream, &extrafield_size); + cd_file.extrafield_size = (uint16_t)extrafield_size; + + err = mz_zip_writer_entry_open(handle, &cd_file); + if (err == MZ_OK) { + mz_stream_copy_stream(handle, mz_zip_writer_entry_write, cd_mem_stream, + NULL, (int32_t)cd_mem_length); + + mz_stream_seek(cd_mem_stream, 0, MZ_SEEK_SET); + mz_stream_mem_set_buffer_limit(cd_mem_stream, 0); + + err = mz_zip_writer_entry_close(writer); + } + + mz_stream_mem_delete(&file_extra_stream); + + return err; +} + +/***************************************************************************/ + +int32_t mz_zip_writer_is_open(void *handle) { + mz_zip_writer *writer = (mz_zip_writer *)handle; + if (writer == NULL) + return MZ_PARAM_ERROR; + if (writer->zip_handle == NULL) + return MZ_PARAM_ERROR; + return MZ_OK; +} + +static int32_t mz_zip_writer_open_int(void *handle, void *stream, int32_t mode) { + mz_zip_writer *writer = (mz_zip_writer *)handle; + int32_t err = MZ_OK; + + mz_zip_create(&writer->zip_handle); + err = mz_zip_open(writer->zip_handle, stream, mode); + + if (err != MZ_OK) { + mz_zip_writer_close(handle); + return err; + } + + return MZ_OK; +} + +int32_t mz_zip_writer_open(void *handle, void *stream, uint8_t append) { + int32_t mode = MZ_OPEN_MODE_WRITE; + + if (append) { + mode |= MZ_OPEN_MODE_APPEND; + } else { + mode |= MZ_OPEN_MODE_CREATE; + } + + return mz_zip_writer_open_int(handle, stream, mode); +} + +int32_t mz_zip_writer_open_file(void *handle, const char *path, int64_t disk_size, uint8_t append) { + mz_zip_writer *writer = (mz_zip_writer *)handle; + int32_t mode = MZ_OPEN_MODE_READWRITE; + int32_t err = MZ_OK; + int32_t err_cb = 0; + char directory[320]; + + mz_zip_writer_close(handle); + + if (mz_os_file_exists(path) != MZ_OK) { + /* If the file doesn't exist, we don't append file */ + mode |= MZ_OPEN_MODE_CREATE; + + /* Create destination directory if it doesn't already exist */ + if (strchr(path, '/') != NULL || strrchr(path, '\\') != NULL) { + strncpy(directory, path, sizeof(directory)); + mz_path_remove_filename(directory); + if (mz_os_file_exists(directory) != MZ_OK) + mz_dir_make(directory); + } + } else if (append) { + mode |= MZ_OPEN_MODE_APPEND; + } else { + if (writer->overwrite_cb != NULL) + err_cb = writer->overwrite_cb(handle, writer->overwrite_userdata, path); + + if (err_cb == MZ_INTERNAL_ERROR) + return err; + + if (err_cb == MZ_OK) + mode |= MZ_OPEN_MODE_CREATE; + else + mode |= MZ_OPEN_MODE_APPEND; + } + + mz_stream_os_create(&writer->file_stream); + mz_stream_buffered_create(&writer->buffered_stream); + mz_stream_split_create(&writer->split_stream); + + mz_stream_set_base(writer->buffered_stream, writer->file_stream); + mz_stream_set_base(writer->split_stream, writer->buffered_stream); + + mz_stream_split_set_prop_int64(writer->split_stream, MZ_STREAM_PROP_DISK_SIZE, disk_size); + + err = mz_stream_open(writer->split_stream, path, mode); + if (err == MZ_OK) + err = mz_zip_writer_open_int(handle, writer->split_stream, mode); + + return err; +} + +int32_t mz_zip_writer_open_file_in_memory(void *handle, const char *path) { + mz_zip_writer *writer = (mz_zip_writer *)handle; + void *file_stream = NULL; + int64_t file_size = 0; + int32_t err = 0; + + + mz_zip_writer_close(handle); + + mz_stream_os_create(&file_stream); + + err = mz_stream_os_open(file_stream, path, MZ_OPEN_MODE_READ); + + if (err != MZ_OK) { + mz_stream_os_delete(&file_stream); + mz_zip_writer_close(handle); + return err; + } + + mz_stream_os_seek(file_stream, 0, MZ_SEEK_END); + file_size = mz_stream_os_tell(file_stream); + mz_stream_os_seek(file_stream, 0, MZ_SEEK_SET); + + if ((file_size <= 0) || (file_size > UINT32_MAX)) { + /* Memory size is too large or too small */ + + mz_stream_os_close(file_stream); + mz_stream_os_delete(&file_stream); + mz_zip_writer_close(handle); + return MZ_MEM_ERROR; + } + + mz_stream_mem_create(&writer->mem_stream); + mz_stream_mem_set_grow_size(writer->mem_stream, (int32_t)file_size); + mz_stream_mem_open(writer->mem_stream, NULL, MZ_OPEN_MODE_CREATE); + + err = mz_stream_copy(writer->mem_stream, file_stream, (int32_t)file_size); + + mz_stream_os_close(file_stream); + mz_stream_os_delete(&file_stream); + + if (err == MZ_OK) + err = mz_zip_writer_open(handle, writer->mem_stream, 1); + if (err != MZ_OK) + mz_zip_writer_close(handle); + + return err; +} + +int32_t mz_zip_writer_close(void *handle) { + mz_zip_writer *writer = (mz_zip_writer *)handle; + int32_t err = MZ_OK; + + + if (writer->zip_handle != NULL) { + mz_zip_set_version_madeby(writer->zip_handle, MZ_VERSION_MADEBY); + if (writer->comment) + mz_zip_set_comment(writer->zip_handle, writer->comment); + if (writer->zip_cd) + mz_zip_writer_zip_cd(writer); + + err = mz_zip_close(writer->zip_handle); + mz_zip_delete(&writer->zip_handle); + } + + if (writer->split_stream != NULL) { + mz_stream_split_close(writer->split_stream); + mz_stream_split_delete(&writer->split_stream); + } + + if (writer->buffered_stream != NULL) + mz_stream_buffered_delete(&writer->buffered_stream); + + if (writer->file_stream != NULL) + mz_stream_os_delete(&writer->file_stream); + + if (writer->mem_stream != NULL) { + mz_stream_mem_close(writer->mem_stream); + mz_stream_mem_delete(&writer->mem_stream); + } + + return err; +} + +/***************************************************************************/ + +int32_t mz_zip_writer_entry_open(void *handle, mz_zip_file *file_info) { + mz_zip_writer *writer = (mz_zip_writer *)handle; + int32_t err = MZ_OK; + const char *password = NULL; + char password_buf[120]; + + /* Copy file info to access data upon close */ + memcpy(&writer->file_info, file_info, sizeof(mz_zip_file)); + + if (writer->entry_cb != NULL) + writer->entry_cb(handle, writer->entry_userdata, &writer->file_info); + + password = writer->password; + + /* Check if we need a password and ask for it if we need to */ + if ((writer->file_info.flag & MZ_ZIP_FLAG_ENCRYPTED) && (password == NULL) && + (writer->password_cb != NULL)) { + writer->password_cb(handle, writer->password_userdata, &writer->file_info, + password_buf, sizeof(password_buf)); + password = password_buf; + } + +#ifndef MZ_ZIP_NO_CRYPTO + if (mz_zip_attrib_is_dir(writer->file_info.external_fa, writer->file_info.version_madeby) != MZ_OK) { + /* Start calculating sha256 */ + mz_crypt_sha_create(&writer->sha256); + mz_crypt_sha_set_algorithm(writer->sha256, MZ_HASH_SHA256); + mz_crypt_sha_begin(writer->sha256); + } +#endif + + /* Open entry in zip */ + err = mz_zip_entry_write_open(writer->zip_handle, &writer->file_info, writer->compress_level, + writer->raw, password); + + return err; +} + +#if !defined(MZ_ZIP_NO_CRYPTO) && defined(MZ_ZIP_SIGNING) +int32_t mz_zip_writer_entry_sign(void *handle, uint8_t *message, int32_t message_size, + uint8_t *cert_data, int32_t cert_data_size, const char *cert_pwd) { + mz_zip_writer *writer = (mz_zip_writer *)handle; + int32_t err = MZ_OK; + int32_t signature_size = 0; + uint8_t *signature = NULL; + + + if (writer == NULL || cert_data == NULL || cert_data_size <= 0) + return MZ_PARAM_ERROR; + if (mz_zip_entry_is_open(writer->zip_handle) != MZ_OK) + return MZ_PARAM_ERROR; + + /* Sign message with certificate */ + err = mz_crypt_sign(message, message_size, cert_data, cert_data_size, cert_pwd, + &signature, &signature_size); + + if ((err == MZ_OK) && (signature != NULL)) { + /* Write signature zip extra field */ + err = mz_zip_extrafield_write(writer->file_extra_stream, MZ_ZIP_EXTENSION_SIGN, + (uint16_t)signature_size); + + if (err == MZ_OK) { + if (mz_stream_write(writer->file_extra_stream, signature, signature_size) != signature_size) + err = MZ_WRITE_ERROR; + } + + MZ_FREE(signature); + } + + return err; +} +#endif + +int32_t mz_zip_writer_entry_close(void *handle) { + mz_zip_writer *writer = (mz_zip_writer *)handle; + int32_t err = MZ_OK; +#ifndef MZ_ZIP_NO_CRYPTO + const uint8_t *extrafield = NULL; + int32_t extrafield_size = 0; + int16_t field_length_hash = 0; + uint8_t sha256[MZ_HASH_SHA256_SIZE]; + + + if (writer->sha256 != NULL) { + mz_crypt_sha_end(writer->sha256, sha256, sizeof(sha256)); + mz_crypt_sha_delete(&writer->sha256); + + /* Copy extrafield so we can append our own fields before close */ + mz_stream_mem_create(&writer->file_extra_stream); + mz_stream_mem_open(writer->file_extra_stream, NULL, MZ_OPEN_MODE_CREATE); + + /* Write sha256 hash to extrafield */ + field_length_hash = 4 + MZ_HASH_SHA256_SIZE; + err = mz_zip_extrafield_write(writer->file_extra_stream, MZ_ZIP_EXTENSION_HASH, field_length_hash); + if (err == MZ_OK) + err = mz_stream_write_uint16(writer->file_extra_stream, MZ_HASH_SHA256); + if (err == MZ_OK) + err = mz_stream_write_uint16(writer->file_extra_stream, MZ_HASH_SHA256_SIZE); + if (err == MZ_OK) { + if (mz_stream_write(writer->file_extra_stream, sha256, sizeof(sha256)) != MZ_HASH_SHA256_SIZE) + err = MZ_WRITE_ERROR; + } + +#ifdef MZ_ZIP_SIGNING + if ((err == MZ_OK) && (writer->cert_data != NULL) && (writer->cert_data_size > 0)) { + /* Sign entry if not zipping cd or if it is cd being zipped */ + if (!writer->zip_cd || strcmp(writer->file_info.filename, MZ_ZIP_CD_FILENAME) == 0) { + err = mz_zip_writer_entry_sign(handle, sha256, sizeof(sha256), + writer->cert_data, writer->cert_data_size, writer->cert_pwd); + } + } +#endif + + if ((writer->file_info.extrafield != NULL) && (writer->file_info.extrafield_size > 0)) + mz_stream_mem_write(writer->file_extra_stream, writer->file_info.extrafield, + writer->file_info.extrafield_size); + + /* Update extra field for central directory after adding extra fields */ + mz_stream_mem_get_buffer(writer->file_extra_stream, (const void **)&extrafield); + mz_stream_mem_get_buffer_length(writer->file_extra_stream, &extrafield_size); + + mz_zip_entry_set_extrafield(writer->zip_handle, extrafield, (uint16_t)extrafield_size); + } +#endif + + if (err == MZ_OK) { + if (writer->raw) + err = mz_zip_entry_close_raw(writer->zip_handle, writer->file_info.uncompressed_size, + writer->file_info.crc); + else + err = mz_zip_entry_close(writer->zip_handle); + } + + if (writer->file_extra_stream != NULL) + mz_stream_mem_delete(&writer->file_extra_stream); + + return err; +} + +int32_t mz_zip_writer_entry_write(void *handle, const void *buf, int32_t len) { + mz_zip_writer *writer = (mz_zip_writer *)handle; + int32_t written = 0; + written = mz_zip_entry_write(writer->zip_handle, buf, len); +#ifndef MZ_ZIP_NO_CRYPTO + if ((written > 0) && (writer->sha256 != NULL)) + mz_crypt_sha_update(writer->sha256, buf, written); +#endif + return written; +} +/***************************************************************************/ + +int32_t mz_zip_writer_add_process(void *handle, void *stream, mz_stream_read_cb read_cb) { + mz_zip_writer *writer = (mz_zip_writer *)handle; + int32_t read = 0; + int32_t written = 0; + int32_t err = MZ_OK; + + if (mz_zip_writer_is_open(writer) != MZ_OK) + return MZ_PARAM_ERROR; + /* If the entry isn't open for writing, open it */ + if (mz_zip_entry_is_open(writer->zip_handle) != MZ_OK) + return MZ_PARAM_ERROR; + if (read_cb == NULL) + return MZ_PARAM_ERROR; + + read = read_cb(stream, writer->buffer, sizeof(writer->buffer)); + if (read == 0) + return MZ_END_OF_STREAM; + if (read < 0) { + err = read; + return err; + } + + written = mz_zip_writer_entry_write(handle, writer->buffer, read); + if (written != read) + return MZ_WRITE_ERROR; + + return written; +} + +int32_t mz_zip_writer_add(void *handle, void *stream, mz_stream_read_cb read_cb) { + mz_zip_writer *writer = (mz_zip_writer *)handle; + uint64_t current_time = 0; + uint64_t update_time = 0; + int64_t current_pos = 0; + int64_t update_pos = 0; + int32_t err = MZ_OK; + int32_t written = 0; + + /* Update the progress at the beginning */ + if (writer->progress_cb != NULL) + writer->progress_cb(handle, writer->progress_userdata, &writer->file_info, current_pos); + + /* Write data to stream until done */ + while (err == MZ_OK) { + written = mz_zip_writer_add_process(handle, stream, read_cb); + if (written == MZ_END_OF_STREAM) + break; + if (written > 0) + current_pos += written; + if (written < 0) + err = written; + + /* Update progress if enough time have passed */ + current_time = mz_os_ms_time(); + if ((current_time - update_time) > writer->progress_cb_interval_ms) { + if (writer->progress_cb != NULL) + writer->progress_cb(handle, writer->progress_userdata, &writer->file_info, current_pos); + + update_pos = current_pos; + update_time = current_time; + } + } + + /* Update the progress at the end */ + if (writer->progress_cb != NULL && update_pos != current_pos) + writer->progress_cb(handle, writer->progress_userdata, &writer->file_info, current_pos); + + return err; +} + +int32_t mz_zip_writer_add_info(void *handle, void *stream, mz_stream_read_cb read_cb, mz_zip_file *file_info) { + mz_zip_writer *writer = (mz_zip_writer *)handle; + int32_t err = MZ_OK; + + + if (mz_zip_writer_is_open(handle) != MZ_OK) + return MZ_PARAM_ERROR; + if (file_info == NULL) + return MZ_PARAM_ERROR; + + /* Add to zip */ + err = mz_zip_writer_entry_open(handle, file_info); + if (err != MZ_OK) + return err; + + if (stream != NULL) { + if (mz_zip_attrib_is_dir(writer->file_info.external_fa, writer->file_info.version_madeby) != MZ_OK) { + err = mz_zip_writer_add(handle, stream, read_cb); + if (err != MZ_OK) + return err; + } + } + + err = mz_zip_writer_entry_close(handle); + + return err; +} + +int32_t mz_zip_writer_add_buffer(void *handle, void *buf, int32_t len, mz_zip_file *file_info) { + void *mem_stream = NULL; + int32_t err = MZ_OK; + + if (mz_zip_writer_is_open(handle) != MZ_OK) + return MZ_PARAM_ERROR; + if (buf == NULL) + return MZ_PARAM_ERROR; + + /* Create a memory stream backed by our buffer and add from it */ + mz_stream_mem_create(&mem_stream); + mz_stream_mem_set_buffer(mem_stream, buf, len); + + err = mz_stream_mem_open(mem_stream, NULL, MZ_OPEN_MODE_READ); + if (err == MZ_OK) + err = mz_zip_writer_add_info(handle, mem_stream, mz_stream_mem_read, file_info); + + mz_stream_mem_delete(&mem_stream); + return err; +} + +int32_t mz_zip_writer_add_file(void *handle, const char *path, const char *filename_in_zip) { + mz_zip_writer *writer = (mz_zip_writer *)handle; + mz_zip_file file_info; + uint32_t target_attrib = 0; + uint32_t src_attrib = 0; + int32_t err = MZ_OK; + uint8_t src_sys = 0; + void *stream = NULL; + char link_path[1024]; + const char *filename = filename_in_zip; + + + if (mz_zip_writer_is_open(handle) != MZ_OK) + return MZ_PARAM_ERROR; + if (path == NULL) + return MZ_PARAM_ERROR; + + if (filename == NULL) { + err = mz_path_get_filename(path, &filename); + if (err != MZ_OK) + return err; + } + + memset(&file_info, 0, sizeof(file_info)); + + /* The path name saved, should not include a leading slash. */ + /* If it did, windows/xp and dynazip couldn't read the zip file. */ + + while (filename[0] == '\\' || filename[0] == '/') + filename += 1; + + /* Get information about the file on disk so we can store it in zip */ + + file_info.version_madeby = MZ_VERSION_MADEBY; + file_info.compression_method = writer->compress_method; + file_info.filename = filename; + file_info.uncompressed_size = mz_os_get_file_size(path); + file_info.flag = MZ_ZIP_FLAG_UTF8; + + if (writer->zip_cd) + file_info.flag |= MZ_ZIP_FLAG_MASK_LOCAL_INFO; + if (writer->aes) + file_info.aes_version = MZ_AES_VERSION; + + mz_os_get_file_date(path, &file_info.modified_date, &file_info.accessed_date, + &file_info.creation_date); + mz_os_get_file_attribs(path, &src_attrib); + + src_sys = MZ_HOST_SYSTEM(file_info.version_madeby); + + if ((src_sys != MZ_HOST_SYSTEM_MSDOS) && (src_sys != MZ_HOST_SYSTEM_WINDOWS_NTFS)) { + /* High bytes are OS specific attributes, low byte is always DOS attributes */ + if (mz_zip_attrib_convert(src_sys, src_attrib, MZ_HOST_SYSTEM_MSDOS, &target_attrib) == MZ_OK) + file_info.external_fa = target_attrib; + file_info.external_fa |= (src_attrib << 16); + } else { + file_info.external_fa = src_attrib; + } + + if (writer->store_links && mz_os_is_symlink(path) == MZ_OK) { + err = mz_os_read_symlink(path, link_path, sizeof(link_path)); + if (err == MZ_OK) + file_info.linkname = link_path; + } else if (mz_os_is_dir(path) != MZ_OK) { + mz_stream_os_create(&stream); + err = mz_stream_os_open(stream, path, MZ_OPEN_MODE_READ); + } + + if (err == MZ_OK) + err = mz_zip_writer_add_info(handle, stream, mz_stream_read, &file_info); + + if (stream != NULL) { + mz_stream_close(stream); + mz_stream_delete(&stream); + } + + return err; +} + +int32_t mz_zip_writer_add_path(void *handle, const char *path, const char *root_path, + uint8_t include_path, uint8_t recursive) { + mz_zip_writer *writer = (mz_zip_writer *)handle; + DIR *dir = NULL; + struct dirent *entry = NULL; + int32_t err = MZ_OK; + int16_t is_dir = 0; + const char *filename = NULL; + const char *filenameinzip = path; + char *wildcard_ptr = NULL; + char full_path[1024]; + char path_dir[1024]; + + + if (strrchr(path, '*') != NULL) { + strncpy(path_dir, path, sizeof(path_dir) - 1); + path_dir[sizeof(path_dir) - 1] = 0; + mz_path_remove_filename(path_dir); + wildcard_ptr = path_dir + strlen(path_dir) + 1; + root_path = path = path_dir; + } else { + if (mz_os_is_dir(path) == MZ_OK) + is_dir = 1; + + /* Construct the filename that our file will be stored in the zip as */ + if (root_path == NULL) + root_path = path; + + /* Should the file be stored with any path info at all? */ + if (!include_path) { + if (!is_dir && root_path == path) { + if (mz_path_get_filename(filenameinzip, &filename) == MZ_OK) + filenameinzip = filename; + } else { + filenameinzip += strlen(root_path); + } + } + + if (!writer->store_links && !writer->follow_links) { + if (mz_os_is_symlink(path) == MZ_OK) + return err; + } + + if (*filenameinzip != 0) + err = mz_zip_writer_add_file(handle, path, filenameinzip); + + if (!is_dir) + return err; + + if (writer->store_links) { + if (mz_os_is_symlink(path) == MZ_OK) + return err; + } + } + + dir = mz_os_open_dir(path); + + if (dir == NULL) + return MZ_EXIST_ERROR; + + while ((entry = mz_os_read_dir(dir)) != NULL) { + if (strcmp(entry->d_name, ".") == 0 || strcmp(entry->d_name, "..") == 0) + continue; + + full_path[0] = 0; + mz_path_combine(full_path, path, sizeof(full_path)); + mz_path_combine(full_path, entry->d_name, sizeof(full_path)); + + if (!recursive && mz_os_is_dir(full_path) == MZ_OK) + continue; + + if ((wildcard_ptr != NULL) && (mz_path_compare_wc(entry->d_name, wildcard_ptr, 1) != MZ_OK)) + continue; + + err = mz_zip_writer_add_path(handle, full_path, root_path, include_path, recursive); + if (err != MZ_OK) + break; + } + + mz_os_close_dir(dir); + return err; +} + +int32_t mz_zip_writer_copy_from_reader(void *handle, void *reader) { + mz_zip_writer *writer = (mz_zip_writer *)handle; + mz_zip_file *file_info = NULL; + int64_t compressed_size = 0; + int64_t uncompressed_size = 0; + uint32_t crc32 = 0; + int32_t err = MZ_OK; + uint8_t original_raw = 0; + void *reader_zip_handle = NULL; + void *writer_zip_handle = NULL; + + + if (mz_zip_reader_is_open(reader) != MZ_OK) + return MZ_PARAM_ERROR; + if (mz_zip_writer_is_open(writer) != MZ_OK) + return MZ_PARAM_ERROR; + + err = mz_zip_reader_entry_get_info(reader, &file_info); + + if (err != MZ_OK) + return err; + + mz_zip_reader_get_zip_handle(reader, &reader_zip_handle); + mz_zip_writer_get_zip_handle(writer, &writer_zip_handle); + + /* Open entry for raw reading */ + err = mz_zip_entry_read_open(reader_zip_handle, 1, NULL); + + if (err == MZ_OK) { + /* Write entry raw, save original raw value */ + original_raw = writer->raw; + writer->raw = 1; + + err = mz_zip_writer_entry_open(writer, file_info); + + if ((err == MZ_OK) && + (mz_zip_attrib_is_dir(writer->file_info.external_fa, writer->file_info.version_madeby) != MZ_OK)) { + err = mz_zip_writer_add(writer, reader_zip_handle, mz_zip_entry_read); + } + + if (err == MZ_OK) { + err = mz_zip_entry_read_close(reader_zip_handle, &crc32, &compressed_size, &uncompressed_size); + if (err == MZ_OK) + err = mz_zip_entry_write_close(writer_zip_handle, crc32, compressed_size, uncompressed_size); + } + + if (mz_zip_entry_is_open(reader_zip_handle) == MZ_OK) + mz_zip_entry_close(reader_zip_handle); + + if (mz_zip_entry_is_open(writer_zip_handle) == MZ_OK) + mz_zip_entry_close(writer_zip_handle); + + writer->raw = original_raw; + } + + return err; +} + +/***************************************************************************/ + +void mz_zip_writer_set_password(void *handle, const char *password) { + mz_zip_writer *writer = (mz_zip_writer *)handle; + writer->password = password; +} + +void mz_zip_writer_set_comment(void *handle, const char *comment) { + mz_zip_writer *writer = (mz_zip_writer *)handle; + writer->comment = comment; +} + +void mz_zip_writer_set_raw(void *handle, uint8_t raw) { + mz_zip_writer *writer = (mz_zip_writer *)handle; + writer->raw = raw; +} + +int32_t mz_zip_writer_get_raw(void *handle, uint8_t *raw) { + mz_zip_writer *writer = (mz_zip_writer *)handle; + if (raw == NULL) + return MZ_PARAM_ERROR; + *raw = writer->raw; + return MZ_OK; +} + +void mz_zip_writer_set_aes(void *handle, uint8_t aes) { + mz_zip_writer *writer = (mz_zip_writer *)handle; + writer->aes = aes; +} + +void mz_zip_writer_set_compress_method(void *handle, uint16_t compress_method) { + mz_zip_writer *writer = (mz_zip_writer *)handle; + writer->compress_method = compress_method; +} + +void mz_zip_writer_set_compress_level(void *handle, int16_t compress_level) { + mz_zip_writer *writer = (mz_zip_writer *)handle; + writer->compress_level = compress_level; +} + +void mz_zip_writer_set_follow_links(void *handle, uint8_t follow_links) { + mz_zip_writer *writer = (mz_zip_writer *)handle; + writer->follow_links = follow_links; +} + +void mz_zip_writer_set_store_links(void *handle, uint8_t store_links) { + mz_zip_writer *writer = (mz_zip_writer *)handle; + writer->store_links = store_links; +} + +void mz_zip_writer_set_zip_cd(void *handle, uint8_t zip_cd) { + mz_zip_writer *writer = (mz_zip_writer *)handle; + writer->zip_cd = zip_cd; +} + +int32_t mz_zip_writer_set_certificate(void *handle, const char *cert_path, const char *cert_pwd) { + mz_zip_writer *writer = (mz_zip_writer *)handle; + void *cert_stream = NULL; + uint8_t *cert_data = NULL; + int32_t cert_data_size = 0; + int32_t err = MZ_OK; + + if (cert_path == NULL) + return MZ_PARAM_ERROR; + + cert_data_size = (int32_t)mz_os_get_file_size(cert_path); + + if (cert_data_size == 0) + return MZ_PARAM_ERROR; + + if (writer->cert_data != NULL) { + MZ_FREE(writer->cert_data); + writer->cert_data = NULL; + } + + cert_data = (uint8_t *)MZ_ALLOC(cert_data_size); + + /* Read pkcs12 certificate from disk */ + mz_stream_os_create(&cert_stream); + err = mz_stream_os_open(cert_stream, cert_path, MZ_OPEN_MODE_READ); + if (err == MZ_OK) { + if (mz_stream_os_read(cert_stream, cert_data, cert_data_size) != cert_data_size) + err = MZ_READ_ERROR; + mz_stream_os_close(cert_stream); + } + mz_stream_os_delete(&cert_stream); + + if (err == MZ_OK) { + writer->cert_data = cert_data; + writer->cert_data_size = cert_data_size; + writer->cert_pwd = cert_pwd; + } else { + MZ_FREE(cert_data); + } + + return err; +} + +void mz_zip_writer_set_overwrite_cb(void *handle, void *userdata, mz_zip_writer_overwrite_cb cb) { + mz_zip_writer *writer = (mz_zip_writer *)handle; + writer->overwrite_cb = cb; + writer->overwrite_userdata = userdata; +} + +void mz_zip_writer_set_password_cb(void *handle, void *userdata, mz_zip_writer_password_cb cb) { + mz_zip_writer *writer = (mz_zip_writer *)handle; + writer->password_cb = cb; + writer->password_userdata = userdata; +} + +void mz_zip_writer_set_progress_cb(void *handle, void *userdata, mz_zip_writer_progress_cb cb) { + mz_zip_writer *writer = (mz_zip_writer *)handle; + writer->progress_cb = cb; + writer->progress_userdata = userdata; +} + +void mz_zip_writer_set_progress_interval(void *handle, uint32_t milliseconds) { + mz_zip_writer *writer = (mz_zip_writer *)handle; + writer->progress_cb_interval_ms = milliseconds; +} + +void mz_zip_writer_set_entry_cb(void *handle, void *userdata, mz_zip_writer_entry_cb cb) { + mz_zip_writer *writer = (mz_zip_writer *)handle; + writer->entry_cb = cb; + writer->entry_userdata = userdata; +} + +int32_t mz_zip_writer_get_zip_handle(void *handle, void **zip_handle) { + mz_zip_writer *writer = (mz_zip_writer *)handle; + if (zip_handle == NULL) + return MZ_PARAM_ERROR; + *zip_handle = writer->zip_handle; + if (*zip_handle == NULL) + return MZ_EXIST_ERROR; + return MZ_OK; +} + +/***************************************************************************/ + +void *mz_zip_writer_create(void **handle) { + mz_zip_writer *writer = NULL; + + writer = (mz_zip_writer *)MZ_ALLOC(sizeof(mz_zip_writer)); + if (writer != NULL) { + memset(writer, 0, sizeof(mz_zip_writer)); +#if defined(HAVE_WZAES) + writer->aes = 1; +#endif +#if defined(HAVE_ZLIB) || defined(HAVE_LIBCOMP) + writer->compress_method = MZ_COMPRESS_METHOD_DEFLATE; +#elif defined(HAVE_BZIP2) + writer->compress_method = MZ_COMPRESS_METHOD_BZIP2; +#elif defined(HAVE_LZMA) + writer->compress_method = MZ_COMPRESS_METHOD_LZMA; +#else + writer->compress_method = MZ_COMPRESS_METHOD_STORE; +#endif + writer->compress_level = MZ_COMPRESS_LEVEL_BEST; + writer->progress_cb_interval_ms = MZ_DEFAULT_PROGRESS_INTERVAL; + } + if (handle != NULL) + *handle = writer; + + return writer; +} + +void mz_zip_writer_delete(void **handle) { + mz_zip_writer *writer = NULL; + if (handle == NULL) + return; + writer = (mz_zip_writer *)*handle; + if (writer != NULL) { + mz_zip_writer_close(writer); + + if (writer->cert_data != NULL) + MZ_FREE(writer->cert_data); + + writer->cert_data = NULL; + writer->cert_data_size = 0; + + MZ_FREE(writer); + } + *handle = NULL; +} + +/***************************************************************************/ diff --git a/Externals/minizip/mz_zip_rw.h b/Externals/minizip/mz_zip_rw.h new file mode 100644 index 0000000000..e507f94a5a --- /dev/null +++ b/Externals/minizip/mz_zip_rw.h @@ -0,0 +1,285 @@ +/* mz_zip_rw.h -- Zip reader/writer + part of the minizip-ng project + + Copyright (C) 2010-2021 Nathan Moinvaziri + https://github.com/zlib-ng/minizip-ng + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. +*/ + +#ifndef MZ_ZIP_RW_H +#define MZ_ZIP_RW_H + +#ifdef __cplusplus +extern "C" { +#endif + +/***************************************************************************/ + +typedef int32_t (*mz_zip_reader_overwrite_cb)(void *handle, void *userdata, mz_zip_file *file_info, const char *path); +typedef int32_t (*mz_zip_reader_password_cb)(void *handle, void *userdata, mz_zip_file *file_info, char *password, int32_t max_password); +typedef int32_t (*mz_zip_reader_progress_cb)(void *handle, void *userdata, mz_zip_file *file_info, int64_t position); +typedef int32_t (*mz_zip_reader_entry_cb)(void *handle, void *userdata, mz_zip_file *file_info, const char *path); + +/***************************************************************************/ + +int32_t mz_zip_reader_is_open(void *handle); +/* Checks to see if the zip file is open */ + +int32_t mz_zip_reader_open(void *handle, void *stream); +/* Opens zip file from stream */ + +int32_t mz_zip_reader_open_file(void *handle, const char *path); +/* Opens zip file from a file path */ + +int32_t mz_zip_reader_open_file_in_memory(void *handle, const char *path); +/* Opens zip file from a file path into memory for faster access */ + +int32_t mz_zip_reader_open_buffer(void *handle, uint8_t *buf, int32_t len, uint8_t copy); +/* Opens zip file from memory buffer */ + +int32_t mz_zip_reader_close(void *handle); +/* Closes the zip file */ + +/***************************************************************************/ + +int32_t mz_zip_reader_unzip_cd(void *handle); +/* Unzip the central directory */ + +/***************************************************************************/ + +int32_t mz_zip_reader_goto_first_entry(void *handle); +/* Goto the first entry in the zip file that matches the pattern */ + +int32_t mz_zip_reader_goto_next_entry(void *handle); +/* Goto the next entry in the zip file that matches the pattern */ + +int32_t mz_zip_reader_locate_entry(void *handle, const char *filename, uint8_t ignore_case); +/* Locates an entry by filename */ + +int32_t mz_zip_reader_entry_open(void *handle); +/* Opens an entry for reading */ + +int32_t mz_zip_reader_entry_close(void *handle); +/* Closes an entry */ + +int32_t mz_zip_reader_entry_read(void *handle, void *buf, int32_t len); +/* Reads and entry after being opened */ + +int32_t mz_zip_reader_entry_has_sign(void *handle); +/* Checks to see if the entry has a signature */ + +int32_t mz_zip_reader_entry_sign_verify(void *handle); +/* Verifies a signature stored with the entry */ + +int32_t mz_zip_reader_entry_get_hash(void *handle, uint16_t algorithm, uint8_t *digest, int32_t digest_size); +/* Gets a hash algorithm from the entry's extra field */ + +int32_t mz_zip_reader_entry_get_first_hash(void *handle, uint16_t *algorithm, uint16_t *digest_size); +/* Gets the most secure hash algorithm from the entry's extra field */ + +int32_t mz_zip_reader_entry_get_info(void *handle, mz_zip_file **file_info); +/* Gets the current entry file info */ + +int32_t mz_zip_reader_entry_is_dir(void *handle); +/* Gets the current entry is a directory */ + +int32_t mz_zip_reader_entry_save(void *handle, void *stream, mz_stream_write_cb write_cb); +/* Save the current entry to a stream */ + +int32_t mz_zip_reader_entry_save_process(void *handle, void *stream, mz_stream_write_cb write_cb); +/* Saves a portion of the current entry to a stream callback */ + +int32_t mz_zip_reader_entry_save_file(void *handle, const char *path); +/* Save the current entry to a file */ + +int32_t mz_zip_reader_entry_save_buffer(void *handle, void *buf, int32_t len); +/* Save the current entry to a memory buffer */ + +int32_t mz_zip_reader_entry_save_buffer_length(void *handle); +/* Gets the length of the buffer required to save */ + +/***************************************************************************/ + +int32_t mz_zip_reader_save_all(void *handle, const char *destination_dir); +/* Save all files into a directory */ + +/***************************************************************************/ + +void mz_zip_reader_set_pattern(void *handle, const char *pattern, uint8_t ignore_case); +/* Sets the match pattern for entries in the zip file, if null all entries are matched */ + +void mz_zip_reader_set_password(void *handle, const char *password); +/* Sets the password required for extraction */ + +void mz_zip_reader_set_raw(void *handle, uint8_t raw); +/* Sets whether or not it should save the entry raw */ + +int32_t mz_zip_reader_get_raw(void *handle, uint8_t *raw); +/* Gets whether or not it should save the entry raw */ + +int32_t mz_zip_reader_get_zip_cd(void *handle, uint8_t *zip_cd); +/* Gets whether or not the archive has a zipped central directory */ + +int32_t mz_zip_reader_get_comment(void *handle, const char **comment); +/* Gets the comment for the central directory */ + +int32_t mz_zip_reader_set_recover(void *handle, uint8_t recover); +/* Sets the ability to recover the central dir by reading local file headers */ + +void mz_zip_reader_set_encoding(void *handle, int32_t encoding); +/* Sets whether or not it should support a special character encoding in zip file names. */ + +void mz_zip_reader_set_sign_required(void *handle, uint8_t sign_required); +/* Sets whether or not it a signature is required */ + +void mz_zip_reader_set_overwrite_cb(void *handle, void *userdata, mz_zip_reader_overwrite_cb cb); +/* Callback for what to do when a file is being overwritten */ + +void mz_zip_reader_set_password_cb(void *handle, void *userdata, mz_zip_reader_password_cb cb); +/* Callback for when a password is required and hasn't been set */ + +void mz_zip_reader_set_progress_cb(void *handle, void *userdata, mz_zip_reader_progress_cb cb); +/* Callback for extraction progress */ + +void mz_zip_reader_set_progress_interval(void *handle, uint32_t milliseconds); +/* Let at least milliseconds pass between calls to progress callback */ + +void mz_zip_reader_set_entry_cb(void *handle, void *userdata, mz_zip_reader_entry_cb cb); +/* Callback for zip file entries */ + +int32_t mz_zip_reader_get_zip_handle(void *handle, void **zip_handle); +/* Gets the underlying zip instance handle */ + +void* mz_zip_reader_create(void **handle); +/* Create new instance of zip reader */ + +void mz_zip_reader_delete(void **handle); +/* Delete instance of zip reader */ + +/***************************************************************************/ + +typedef int32_t (*mz_zip_writer_overwrite_cb)(void *handle, void *userdata, const char *path); +typedef int32_t (*mz_zip_writer_password_cb)(void *handle, void *userdata, mz_zip_file *file_info, char *password, int32_t max_password); +typedef int32_t (*mz_zip_writer_progress_cb)(void *handle, void *userdata, mz_zip_file *file_info, int64_t position); +typedef int32_t (*mz_zip_writer_entry_cb)(void *handle, void *userdata, mz_zip_file *file_info); + +/***************************************************************************/ + +int32_t mz_zip_writer_is_open(void *handle); +/* Checks to see if the zip file is open */ + +int32_t mz_zip_writer_open(void *handle, void *stream, uint8_t append); +/* Opens zip file from stream */ + +int32_t mz_zip_writer_open_file(void *handle, const char *path, int64_t disk_size, uint8_t append); +/* Opens zip file from a file path */ + +int32_t mz_zip_writer_open_file_in_memory(void *handle, const char *path); +/* Opens zip file from a file path into memory for faster access */ + +int32_t mz_zip_writer_close(void *handle); +/* Closes the zip file */ + +/***************************************************************************/ + +int32_t mz_zip_writer_entry_open(void *handle, mz_zip_file *file_info); +/* Opens an entry in the zip file for writing */ + +int32_t mz_zip_writer_entry_close(void *handle); +/* Closes entry in zip file */ + +int32_t mz_zip_writer_entry_write(void *handle, const void *buf, int32_t len); +/* Writes data into entry for zip */ + +/***************************************************************************/ + +int32_t mz_zip_writer_add(void *handle, void *stream, mz_stream_read_cb read_cb); +/* Writes all data to the currently open entry in the zip */ + +int32_t mz_zip_writer_add_process(void *handle, void *stream, mz_stream_read_cb read_cb); +/* Writes a portion of data to the currently open entry in the zip */ + +int32_t mz_zip_writer_add_info(void *handle, void *stream, mz_stream_read_cb read_cb, mz_zip_file *file_info); +/* Adds an entry to the zip based on the info */ + +int32_t mz_zip_writer_add_buffer(void *handle, void *buf, int32_t len, mz_zip_file *file_info); +/* Adds an entry to the zip with a memory buffer */ + +int32_t mz_zip_writer_add_file(void *handle, const char *path, const char *filename_in_zip); +/* Adds an entry to the zip from a file */ + +int32_t mz_zip_writer_add_path(void *handle, const char *path, const char *root_path, uint8_t include_path, + uint8_t recursive); +/* Enumerates a directory or pattern and adds entries to the zip */ + +int32_t mz_zip_writer_copy_from_reader(void *handle, void *reader); +/* Adds an entry from a zip reader instance */ + +/***************************************************************************/ + +void mz_zip_writer_set_password(void *handle, const char *password); +/* Password to use for encrypting files in the zip */ + +void mz_zip_writer_set_comment(void *handle, const char *comment); +/* Comment to use for the archive */ + +void mz_zip_writer_set_raw(void *handle, uint8_t raw); +/* Sets whether or not we should write the entry raw */ + +int32_t mz_zip_writer_get_raw(void *handle, uint8_t *raw); +/* Gets whether or not we should write the entry raw */ + +void mz_zip_writer_set_aes(void *handle, uint8_t aes); +/* Use aes encryption when adding files in zip */ + +void mz_zip_writer_set_compress_method(void *handle, uint16_t compress_method); +/* Sets the compression method when adding files in zip */ + +void mz_zip_writer_set_compress_level(void *handle, int16_t compress_level); +/* Sets the compression level when adding files in zip */ + +void mz_zip_writer_set_follow_links(void *handle, uint8_t follow_links); +/* Follow symbolic links when traversing directories and files to add */ + +void mz_zip_writer_set_store_links(void *handle, uint8_t store_links); +/* Store symbolic links in zip file */ + +void mz_zip_writer_set_zip_cd(void *handle, uint8_t zip_cd); +/* Sets whether or not central directory should be zipped */ + +int32_t mz_zip_writer_set_certificate(void *handle, const char *cert_path, const char *cert_pwd); +/* Sets the certificate and timestamp url to use for signing when adding files in zip */ + +void mz_zip_writer_set_overwrite_cb(void *handle, void *userdata, mz_zip_writer_overwrite_cb cb); +/* Callback for what to do when zip file already exists */ + +void mz_zip_writer_set_password_cb(void *handle, void *userdata, mz_zip_writer_password_cb cb); +/* Callback for ask if a password is required for adding */ + +void mz_zip_writer_set_progress_cb(void *handle, void *userdata, mz_zip_writer_progress_cb cb); +/* Callback for compression progress */ + +void mz_zip_writer_set_progress_interval(void *handle, uint32_t milliseconds); +/* Let at least milliseconds pass between calls to progress callback */ + +void mz_zip_writer_set_entry_cb(void *handle, void *userdata, mz_zip_writer_entry_cb cb); +/* Callback for zip file entries */ + +int32_t mz_zip_writer_get_zip_handle(void *handle, void **zip_handle); +/* Gets the underlying zip handle */ + +void* mz_zip_writer_create(void **handle); +/* Create new instance of zip writer */ + +void mz_zip_writer_delete(void **handle); +/* Delete instance of zip writer */ + +/***************************************************************************/ + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/Externals/minizip/unzip.c b/Externals/minizip/unzip.c deleted file mode 100644 index 145fe5fbf8..0000000000 --- a/Externals/minizip/unzip.c +++ /dev/null @@ -1,1991 +0,0 @@ -/* unzip.c -- IO for uncompress .zip files using zlib - Version 1.1, February 14h, 2010 - part of the MiniZip project - - Copyright (C) 1998-2010 Gilles Vollant - http://www.winimage.com/zLibDll/minizip.html - Modifications of Unzip for Zip64 - Copyright (C) 2007-2008 Even Rouault - Modifications for Zip64 support on both zip and unzip - Copyright (C) 2009-2010 Mathias Svensson - http://result42.com - Modifications for AES, PKWARE disk spanning - Copyright (C) 2010-2014 Nathan Moinvaziri - - This program is distributed under the terms of the same license as zlib. - See the accompanying LICENSE file for the full text of the license. -*/ - -#include <stdio.h> -#include <stdlib.h> -#include <stdint.h> -#include <string.h> -#include <errno.h> - -#include "zlib.h" -#include "unzip.h" - -#ifdef HAVE_AES -# define AES_METHOD (99) -# define AES_PWVERIFYSIZE (2) -# define AES_MAXSALTLENGTH (16) -# define AES_AUTHCODESIZE (10) -# define AES_HEADERSIZE (11) -# define AES_KEYSIZE(mode) (64 + (mode * 64)) - -# include "aes/aes.h" -# include "aes/fileenc.h" -#endif -#ifdef HAVE_APPLE_COMPRESSION -# include <compression.h> -#endif - -#ifndef NOUNCRYPT -# include "crypt.h" -#endif - -#define DISKHEADERMAGIC (0x08074b50) -#define LOCALHEADERMAGIC (0x04034b50) -#define CENTRALHEADERMAGIC (0x02014b50) -#define ENDHEADERMAGIC (0x06054b50) -#define ZIP64ENDHEADERMAGIC (0x06064b50) -#define ZIP64ENDLOCHEADERMAGIC (0x07064b50) - -#define SIZECENTRALDIRITEM (0x2e) -#define SIZECENTRALHEADERLOCATOR (0x14) -#define SIZEZIPLOCALHEADER (0x1e) - -#ifndef BUFREADCOMMENT -# define BUFREADCOMMENT (0x400) -#endif - -#ifndef UNZ_BUFSIZE -# define UNZ_BUFSIZE (UINT16_MAX) -#endif -#ifndef UNZ_MAXFILENAMEINZIP -# define UNZ_MAXFILENAMEINZIP (256) -#endif - -#ifndef ALLOC -# define ALLOC(size) (malloc(size)) -#endif -#ifndef TRYFREE -# define TRYFREE(p) {if (p) free(p);} -#endif - -const char unz_copyright[] = - " unzip 1.01 Copyright 1998-2004 Gilles Vollant - http://www.winimage.com/zLibDll"; - -/* unz_file_info_internal contain internal info about a file in zipfile*/ -typedef struct unz_file_info64_internal_s -{ - uint64_t offset_curfile; /* relative offset of local header 8 bytes */ - uint64_t byte_before_the_zipfile; /* byte before the zipfile, (>0 for sfx) */ -#ifdef HAVE_AES - uint8_t aes_encryption_mode; - uint16_t aes_compression_method; - uint16_t aes_version; -#endif -} unz_file_info64_internal; - -/* file_in_zip_read_info_s contain internal information about a file in zipfile */ -typedef struct -{ - uint8_t *read_buffer; /* internal buffer for compressed data */ - z_stream stream; /* zLib stream structure for inflate */ -#ifdef HAVE_BZIP2 - bz_stream bstream; /* bzLib stream structure for bziped */ -#endif -#ifdef HAVE_APPLE_COMPRESSION - compression_stream astream; /* libcompression stream structure */ -#endif -#ifdef HAVE_AES - fcrypt_ctx aes_ctx; -#endif - uint64_t pos_in_zipfile; /* position in byte on the zipfile, for fseek */ - uint8_t stream_initialised; /* flag set if stream structure is initialised */ - - uint64_t offset_local_extrafield; /* offset of the local extra field */ - uint16_t size_local_extrafield; /* size of the local extra field */ - uint64_t pos_local_extrafield; /* position in the local extra field in read */ - uint64_t total_out_64; - - uint32_t crc32; /* crc32 of all data uncompressed */ - uint32_t crc32_wait; /* crc32 we must obtain after decompress all */ - uint64_t rest_read_compressed; /* number of byte to be decompressed */ - uint64_t rest_read_uncompressed; /* number of byte to be obtained after decomp */ - - zlib_filefunc64_32_def z_filefunc; - - voidpf filestream; /* io structore of the zipfile */ - uint16_t compression_method; /* compression method (0==store) */ - uint64_t byte_before_the_zipfile; /* byte before the zipfile, (>0 for sfx) */ - int raw; -} file_in_zip64_read_info_s; - -/* unz64_s contain internal information about the zipfile */ -typedef struct -{ - zlib_filefunc64_32_def z_filefunc; - - voidpf filestream; /* io structure of the current zipfile */ - voidpf filestream_with_CD; /* io structure of the disk with the central directory */ - - unz_global_info64 gi; /* public global information */ - - uint64_t byte_before_the_zipfile; /* byte before the zipfile, (>0 for sfx) */ - uint64_t num_file; /* number of the current file in the zipfile */ - uint64_t pos_in_central_dir; /* pos of the current file in the central dir */ - uint64_t current_file_ok; /* flag about the usability of the current file */ - uint64_t central_pos; /* position of the beginning of the central dir */ - uint32_t number_disk; /* number of the current disk, used for spanning ZIP */ - uint64_t size_central_dir; /* size of the central directory */ - uint64_t offset_central_dir; /* offset of start of central directory with - respect to the starting disk number */ - - unz_file_info64 cur_file_info; /* public info about the current file in zip*/ - unz_file_info64_internal cur_file_info_internal; - /* private info about it*/ - file_in_zip64_read_info_s *pfile_in_zip_read; - /* structure about the current file if we are decompressing it */ - int is_zip64; /* is the current file zip64 */ -#ifndef NOUNCRYPT - uint32_t keys[3]; /* keys defining the pseudo-random sequence */ - const z_crc_t *pcrc_32_tab; -#endif -} unz64_s; - -/* Read a byte from a gz_stream; Return EOF for end of file. */ -static int unzReadUInt8(const zlib_filefunc64_32_def *pzlib_filefunc_def, voidpf filestream, uint8_t *value) -{ - uint8_t c = 0; - if (ZREAD64(*pzlib_filefunc_def, filestream, &c, 1) == 1) - { - *value = (uint8_t)c; - return UNZ_OK; - } - *value = 0; - if (ZERROR64(*pzlib_filefunc_def, filestream)) - return UNZ_ERRNO; - return UNZ_EOF; -} - -static int unzReadUInt16(const zlib_filefunc64_32_def *pzlib_filefunc_def, voidpf filestream, uint16_t *value) -{ - uint16_t x; - uint8_t c = 0; - int err = UNZ_OK; - - err = unzReadUInt8(pzlib_filefunc_def, filestream, &c); - x = (uint16_t)c; - if (err == UNZ_OK) - err = unzReadUInt8(pzlib_filefunc_def, filestream, &c); - x |= ((uint16_t)c) << 8; - - if (err == UNZ_OK) - *value = x; - else - *value = 0; - return err; -} - -static int unzReadUInt32(const zlib_filefunc64_32_def *pzlib_filefunc_def, voidpf filestream, uint32_t *value) -{ - uint32_t x = 0; - uint8_t c = 0; - int err = UNZ_OK; - - err = unzReadUInt8(pzlib_filefunc_def, filestream, &c); - x = (uint32_t)c; - if (err == UNZ_OK) - err = unzReadUInt8(pzlib_filefunc_def, filestream, &c); - x |= ((uint32_t)c) << 8; - if (err == UNZ_OK) - err = unzReadUInt8(pzlib_filefunc_def, filestream, &c); - x |= ((uint32_t)c) << 16; - if (err == UNZ_OK) - err = unzReadUInt8(pzlib_filefunc_def, filestream, &c); - x += ((uint32_t)c) << 24; - - if (err == UNZ_OK) - *value = x; - else - *value = 0; - return err; -} - -static int unzReadUInt64(const zlib_filefunc64_32_def *pzlib_filefunc_def, voidpf filestream, uint64_t *value) -{ - uint64_t x = 0; - uint8_t i = 0; - int err = UNZ_OK; - - err = unzReadUInt8(pzlib_filefunc_def, filestream, &i); - x = (uint64_t)i; - if (err == UNZ_OK) - err = unzReadUInt8(pzlib_filefunc_def, filestream, &i); - x |= ((uint64_t)i) << 8; - if (err == UNZ_OK) - err = unzReadUInt8(pzlib_filefunc_def, filestream, &i); - x |= ((uint64_t)i) << 16; - if (err == UNZ_OK) - err = unzReadUInt8(pzlib_filefunc_def, filestream, &i); - x |= ((uint64_t)i) << 24; - if (err == UNZ_OK) - err = unzReadUInt8(pzlib_filefunc_def, filestream, &i); - x |= ((uint64_t)i) << 32; - if (err == UNZ_OK) - err = unzReadUInt8(pzlib_filefunc_def, filestream, &i); - x |= ((uint64_t)i) << 40; - if (err == UNZ_OK) - err = unzReadUInt8(pzlib_filefunc_def, filestream, &i); - x |= ((uint64_t)i) << 48; - if (err == UNZ_OK) - err = unzReadUInt8(pzlib_filefunc_def, filestream, &i); - x |= ((uint64_t)i) << 56; - - if (err == UNZ_OK) - *value = x; - else - *value = 0; - return err; -} - -/* Locate the Central directory of a zip file (at the end, just before the global comment) */ -static uint64_t unzSearchCentralDir(const zlib_filefunc64_32_def *pzlib_filefunc_def, voidpf filestream) -{ - uint8_t buf[BUFREADCOMMENT + 4]; - uint64_t file_size = 0; - uint64_t back_read = 4; - uint64_t max_back = UINT16_MAX; /* maximum size of global comment */ - uint64_t pos_found = 0; - uint32_t read_size = 0; - uint64_t read_pos = 0; - uint32_t i = 0; - - if (ZSEEK64(*pzlib_filefunc_def, filestream, 0, ZLIB_FILEFUNC_SEEK_END) != 0) - return 0; - - file_size = ZTELL64(*pzlib_filefunc_def, filestream); - - if (max_back > file_size) - max_back = file_size; - - while (back_read < max_back) - { - if (back_read + BUFREADCOMMENT > max_back) - back_read = max_back; - else - back_read += BUFREADCOMMENT; - - read_pos = file_size - back_read; - read_size = ((BUFREADCOMMENT + 4) < (file_size - read_pos)) ? - (BUFREADCOMMENT + 4) : (uint32_t)(file_size - read_pos); - - if (ZSEEK64(*pzlib_filefunc_def, filestream, read_pos, ZLIB_FILEFUNC_SEEK_SET) != 0) - break; - if (ZREAD64(*pzlib_filefunc_def, filestream, buf, read_size) != read_size) - break; - - for (i = read_size - 3; (i--) > 0;) - if (((*(buf+i)) == (ENDHEADERMAGIC & 0xff)) && - ((*(buf+i+1)) == (ENDHEADERMAGIC >> 8 & 0xff)) && - ((*(buf+i+2)) == (ENDHEADERMAGIC >> 16 & 0xff)) && - ((*(buf+i+3)) == (ENDHEADERMAGIC >> 24 & 0xff))) - { - pos_found = read_pos+i; - break; - } - - if (pos_found != 0) - break; - } - - return pos_found; -} - -/* Locate the Central directory 64 of a zipfile (at the end, just before the global comment) */ -static uint64_t unzSearchCentralDir64(const zlib_filefunc64_32_def *pzlib_filefunc_def, voidpf filestream, - const uint64_t endcentraloffset) -{ - uint64_t offset = 0; - uint32_t value32 = 0; - - /* Zip64 end of central directory locator */ - if (ZSEEK64(*pzlib_filefunc_def, filestream, endcentraloffset - SIZECENTRALHEADERLOCATOR, ZLIB_FILEFUNC_SEEK_SET) != 0) - return 0; - - /* Read locator signature */ - if (unzReadUInt32(pzlib_filefunc_def, filestream, &value32) != UNZ_OK) - return 0; - if (value32 != ZIP64ENDLOCHEADERMAGIC) - return 0; - /* Number of the disk with the start of the zip64 end of central directory */ - if (unzReadUInt32(pzlib_filefunc_def, filestream, &value32) != UNZ_OK) - return 0; - /* Relative offset of the zip64 end of central directory record */ - if (unzReadUInt64(pzlib_filefunc_def, filestream, &offset) != UNZ_OK) - return 0; - /* Total number of disks */ - if (unzReadUInt32(pzlib_filefunc_def, filestream, &value32) != UNZ_OK) - return 0; - /* Goto end of central directory record */ - if (ZSEEK64(*pzlib_filefunc_def, filestream, offset, ZLIB_FILEFUNC_SEEK_SET) != 0) - return 0; - /* The signature */ - if (unzReadUInt32(pzlib_filefunc_def, filestream, &value32) != UNZ_OK) - return 0; - if (value32 != ZIP64ENDHEADERMAGIC) - return 0; - - return offset; -} - -static unzFile unzOpenInternal(const void *path, zlib_filefunc64_32_def *pzlib_filefunc64_32_def) -{ - unz64_s us; - unz64_s *s = NULL; - uint64_t central_pos = 0; - uint64_t central_pos64 = 0; - uint64_t number_entry_CD = 0; - uint16_t value16 = 0; - uint32_t value32 = 0; - uint64_t value64 = 0; - voidpf filestream = NULL; - int err = UNZ_OK; - - if (unz_copyright[0] != ' ') - return NULL; - - us.filestream = NULL; - us.filestream_with_CD = NULL; - us.z_filefunc.zseek32_file = NULL; - us.z_filefunc.ztell32_file = NULL; - - if (pzlib_filefunc64_32_def == NULL) - fill_fopen64_filefunc(&us.z_filefunc.zfile_func64); - else - us.z_filefunc = *pzlib_filefunc64_32_def; - - us.filestream = ZOPEN64(us.z_filefunc, path, ZLIB_FILEFUNC_MODE_READ | ZLIB_FILEFUNC_MODE_EXISTING); - - if (us.filestream == NULL) - return NULL; - - us.filestream_with_CD = us.filestream; - us.is_zip64 = 0; - - /* Search for end of central directory header */ - central_pos = unzSearchCentralDir(&us.z_filefunc, us.filestream); - if (central_pos) - { - if (ZSEEK64(us.z_filefunc, us.filestream, central_pos, ZLIB_FILEFUNC_SEEK_SET) != 0) - err = UNZ_ERRNO; - - /* The signature, already checked */ - if (unzReadUInt32(&us.z_filefunc, us.filestream, &value32) != UNZ_OK) - err = UNZ_ERRNO; - /* Number of this disk */ - if (unzReadUInt16(&us.z_filefunc, us.filestream, &value16) != UNZ_OK) - err = UNZ_ERRNO; - us.number_disk = value16; - /* Number of the disk with the start of the central directory */ - if (unzReadUInt16(&us.z_filefunc, us.filestream, &value16) != UNZ_OK) - err = UNZ_ERRNO; - us.gi.number_disk_with_CD = value16; - /* Total number of entries in the central directory on this disk */ - if (unzReadUInt16(&us.z_filefunc, us.filestream, &value16) != UNZ_OK) - err = UNZ_ERRNO; - us.gi.number_entry = value16; - /* Total number of entries in the central directory */ - if (unzReadUInt16(&us.z_filefunc, us.filestream, &value16) != UNZ_OK) - err = UNZ_ERRNO; - number_entry_CD = value16; - if (number_entry_CD != us.gi.number_entry) - err = UNZ_BADZIPFILE; - /* Size of the central directory */ - if (unzReadUInt32(&us.z_filefunc, us.filestream, &value32) != UNZ_OK) - err = UNZ_ERRNO; - us.size_central_dir = value32; - /* Offset of start of central directory with respect to the starting disk number */ - if (unzReadUInt32(&us.z_filefunc, us.filestream, &value32) != UNZ_OK) - err = UNZ_ERRNO; - us.offset_central_dir = value32; - /* Zipfile comment length */ - if (unzReadUInt16(&us.z_filefunc, us.filestream, &us.gi.size_comment) != UNZ_OK) - err = UNZ_ERRNO; - - if (err == UNZ_OK) - { - /* Search for Zip64 end of central directory header */ - central_pos64 = unzSearchCentralDir64(&us.z_filefunc, us.filestream, central_pos); - if (central_pos64) - { - central_pos = central_pos64; - us.is_zip64 = 1; - - if (ZSEEK64(us.z_filefunc, us.filestream, central_pos, ZLIB_FILEFUNC_SEEK_SET) != 0) - err = UNZ_ERRNO; - - /* the signature, already checked */ - if (unzReadUInt32(&us.z_filefunc, us.filestream, &value32) != UNZ_OK) - err = UNZ_ERRNO; - /* size of zip64 end of central directory record */ - if (unzReadUInt64(&us.z_filefunc, us.filestream, &value64) != UNZ_OK) - err = UNZ_ERRNO; - /* version made by */ - if (unzReadUInt16(&us.z_filefunc, us.filestream, &value16) != UNZ_OK) - err = UNZ_ERRNO; - /* version needed to extract */ - if (unzReadUInt16(&us.z_filefunc, us.filestream, &value16) != UNZ_OK) - err = UNZ_ERRNO; - /* number of this disk */ - if (unzReadUInt32(&us.z_filefunc, us.filestream, &us.number_disk) != UNZ_OK) - err = UNZ_ERRNO; - /* number of the disk with the start of the central directory */ - if (unzReadUInt32(&us.z_filefunc, us.filestream, &us.gi.number_disk_with_CD) != UNZ_OK) - err = UNZ_ERRNO; - /* total number of entries in the central directory on this disk */ - if (unzReadUInt64(&us.z_filefunc, us.filestream, &us.gi.number_entry) != UNZ_OK) - err = UNZ_ERRNO; - /* total number of entries in the central directory */ - if (unzReadUInt64(&us.z_filefunc, us.filestream, &number_entry_CD) != UNZ_OK) - err = UNZ_ERRNO; - if (number_entry_CD != us.gi.number_entry) - err = UNZ_BADZIPFILE; - /* size of the central directory */ - if (unzReadUInt64(&us.z_filefunc, us.filestream, &us.size_central_dir) != UNZ_OK) - err = UNZ_ERRNO; - /* offset of start of central directory with respect to the starting disk number */ - if (unzReadUInt64(&us.z_filefunc, us.filestream, &us.offset_central_dir) != UNZ_OK) - err = UNZ_ERRNO; - } - else if ((us.gi.number_entry == UINT16_MAX) || (us.size_central_dir == UINT16_MAX) || (us.offset_central_dir == UINT32_MAX)) - err = UNZ_BADZIPFILE; - } - } - else - err = UNZ_ERRNO; - - if ((err == UNZ_OK) && (central_pos < us.offset_central_dir + us.size_central_dir)) - err = UNZ_BADZIPFILE; - - if (err != UNZ_OK) - { - ZCLOSE64(us.z_filefunc, us.filestream); - return NULL; - } - - if (us.gi.number_disk_with_CD == 0) - { - /* If there is only one disk open another stream so we don't have to seek between the CD - and the file headers constantly */ - filestream = ZOPEN64(us.z_filefunc, path, ZLIB_FILEFUNC_MODE_READ | ZLIB_FILEFUNC_MODE_EXISTING); - if (filestream != NULL) - us.filestream = filestream; - } - - /* Hack for zip files that have no respect for zip64 - if ((central_pos > 0xffffffff) && (us.offset_central_dir < 0xffffffff)) - us.offset_central_dir = central_pos - us.size_central_dir;*/ - - us.byte_before_the_zipfile = central_pos - (us.offset_central_dir + us.size_central_dir); - us.central_pos = central_pos; - us.pfile_in_zip_read = NULL; - - s = (unz64_s*)ALLOC(sizeof(unz64_s)); - if (s != NULL) - { - *s = us; - unzGoToFirstFile((unzFile)s); - } - return (unzFile)s; -} - -extern unzFile ZEXPORT unzOpen2(const char *path, zlib_filefunc_def *pzlib_filefunc32_def) -{ - if (pzlib_filefunc32_def != NULL) - { - zlib_filefunc64_32_def zlib_filefunc64_32_def_fill; - fill_zlib_filefunc64_32_def_from_filefunc32(&zlib_filefunc64_32_def_fill, pzlib_filefunc32_def); - return unzOpenInternal(path, &zlib_filefunc64_32_def_fill); - } - return unzOpenInternal(path, NULL); -} - -extern unzFile ZEXPORT unzOpen2_64(const void *path, zlib_filefunc64_def *pzlib_filefunc_def) -{ - if (pzlib_filefunc_def != NULL) - { - zlib_filefunc64_32_def zlib_filefunc64_32_def_fill; - zlib_filefunc64_32_def_fill.zfile_func64 = *pzlib_filefunc_def; - zlib_filefunc64_32_def_fill.ztell32_file = NULL; - zlib_filefunc64_32_def_fill.zseek32_file = NULL; - return unzOpenInternal(path, &zlib_filefunc64_32_def_fill); - } - return unzOpenInternal(path, NULL); -} - -extern unzFile ZEXPORT unzOpen(const char *path) -{ - return unzOpenInternal(path, NULL); -} - -extern unzFile ZEXPORT unzOpen64(const void *path) -{ - return unzOpenInternal(path, NULL); -} - -extern int ZEXPORT unzClose(unzFile file) -{ - unz64_s *s; - if (file == NULL) - return UNZ_PARAMERROR; - s = (unz64_s*)file; - - if (s->pfile_in_zip_read != NULL) - unzCloseCurrentFile(file); - - if ((s->filestream != NULL) && (s->filestream != s->filestream_with_CD)) - ZCLOSE64(s->z_filefunc, s->filestream); - if (s->filestream_with_CD != NULL) - ZCLOSE64(s->z_filefunc, s->filestream_with_CD); - - s->filestream = NULL; - s->filestream_with_CD = NULL; - TRYFREE(s); - return UNZ_OK; -} - -/* Goto to the next available disk for spanned archives */ -static int unzGoToNextDisk(unzFile file) -{ - unz64_s *s; - uint32_t number_disk_next = 0; - - s = (unz64_s*)file; - if (s == NULL) - return UNZ_PARAMERROR; - number_disk_next = s->number_disk; - - if ((s->pfile_in_zip_read != NULL) && (s->pfile_in_zip_read->rest_read_uncompressed > 0)) - /* We are currently reading a file and we need the next sequential disk */ - number_disk_next += 1; - else - /* Goto the disk for the current file */ - number_disk_next = s->cur_file_info.disk_num_start; - - if (number_disk_next != s->number_disk) - { - /* Switch disks */ - if ((s->filestream != NULL) && (s->filestream != s->filestream_with_CD)) - ZCLOSE64(s->z_filefunc, s->filestream); - - if (number_disk_next == s->gi.number_disk_with_CD) - { - s->filestream = s->filestream_with_CD; - } - else - { - s->filestream = ZOPENDISK64(s->z_filefunc, s->filestream_with_CD, number_disk_next, - ZLIB_FILEFUNC_MODE_READ | ZLIB_FILEFUNC_MODE_EXISTING); - } - - if (s->filestream == NULL) - return UNZ_ERRNO; - - s->number_disk = number_disk_next; - } - - return UNZ_OK; -} - -extern int ZEXPORT unzGetGlobalInfo(unzFile file, unz_global_info* pglobal_info32) -{ - unz64_s *s = NULL; - if (file == NULL) - return UNZ_PARAMERROR; - s = (unz64_s*)file; - - pglobal_info32->number_entry = (uint32_t)s->gi.number_entry; - pglobal_info32->size_comment = s->gi.size_comment; - pglobal_info32->number_disk_with_CD = s->gi.number_disk_with_CD; - return UNZ_OK; -} - -extern int ZEXPORT unzGetGlobalInfo64(unzFile file, unz_global_info64 *pglobal_info) -{ - unz64_s *s = NULL; - if (file == NULL) - return UNZ_PARAMERROR; - s = (unz64_s*)file; - *pglobal_info = s->gi; - return UNZ_OK; -} - -extern int ZEXPORT unzGetGlobalComment(unzFile file, char *comment, uint16_t comment_size) -{ - unz64_s *s = NULL; - uint16_t bytes_to_read = comment_size; - if (file == NULL) - return (int)UNZ_PARAMERROR; - s = (unz64_s*)file; - - if (bytes_to_read > s->gi.size_comment) - bytes_to_read = s->gi.size_comment; - - if (ZSEEK64(s->z_filefunc, s->filestream_with_CD, s->central_pos + 22, ZLIB_FILEFUNC_SEEK_SET) != 0) - return UNZ_ERRNO; - - if (bytes_to_read > 0) - { - *comment = 0; - if (ZREAD64(s->z_filefunc, s->filestream_with_CD, comment, bytes_to_read) != bytes_to_read) - return UNZ_ERRNO; - } - - if ((comment != NULL) && (comment_size > s->gi.size_comment)) - *(comment + s->gi.size_comment) = 0; - - return (int)bytes_to_read; -} - -static int unzGetCurrentFileInfoField(unzFile file, uint32_t *seek, void *field, uint16_t field_size, uint16_t size_file_field, int null_terminated_field) -{ - unz64_s *s = NULL; - uint32_t bytes_to_read = 0; - int err = UNZ_OK; - - if (file == NULL) - return (int)UNZ_PARAMERROR; - s = (unz64_s*)file; - - /* Read field */ - if (field != NULL) - { - if (size_file_field < field_size) - { - if (null_terminated_field) - *((char *)field+size_file_field) = 0; - - bytes_to_read = size_file_field; - } - else - bytes_to_read = field_size; - - if (*seek != 0) - { - if (ZSEEK64(s->z_filefunc, s->filestream_with_CD, *seek, ZLIB_FILEFUNC_SEEK_CUR) == 0) - *seek = 0; - else - err = UNZ_ERRNO; - } - - if ((size_file_field > 0) && (field_size > 0)) - { - if (ZREAD64(s->z_filefunc, s->filestream_with_CD, field, bytes_to_read) != bytes_to_read) - err = UNZ_ERRNO; - } - *seek += size_file_field - bytes_to_read; - } - else - { - *seek += size_file_field; - } - - return err; -} - -/* Get info about the current file in the zipfile, with internal only info */ -static int unzGetCurrentFileInfoInternal(unzFile file, unz_file_info64 *pfile_info, - unz_file_info64_internal *pfile_info_internal, char *filename, uint16_t filename_size, void *extrafield, - uint16_t extrafield_size, char *comment, uint16_t comment_size) -{ - unz64_s *s = NULL; - unz_file_info64 file_info; - unz_file_info64_internal file_info_internal; - uint32_t magic = 0; - uint64_t current_pos = 0; - uint32_t seek = 0; - uint32_t extra_pos = 0; - uint16_t extra_header_id = 0; - uint16_t extra_data_size = 0; - uint16_t value16 = 0; - uint32_t value32 = 0; - uint64_t value64 = 0; - int err = UNZ_OK; - - if (file == NULL) - return UNZ_PARAMERROR; - s = (unz64_s*)file; - - if (ZSEEK64(s->z_filefunc, s->filestream_with_CD, - s->pos_in_central_dir + s->byte_before_the_zipfile, ZLIB_FILEFUNC_SEEK_SET) != 0) - err = UNZ_ERRNO; - - /* Check the magic */ - if (err == UNZ_OK) - { - if (unzReadUInt32(&s->z_filefunc, s->filestream_with_CD, &magic) != UNZ_OK) - err = UNZ_ERRNO; - else if (magic != CENTRALHEADERMAGIC) - err = UNZ_BADZIPFILE; - } - - /* Read central directory header */ - if (unzReadUInt16(&s->z_filefunc, s->filestream_with_CD, &file_info.version) != UNZ_OK) - err = UNZ_ERRNO; - if (unzReadUInt16(&s->z_filefunc, s->filestream_with_CD, &file_info.version_needed) != UNZ_OK) - err = UNZ_ERRNO; - if (unzReadUInt16(&s->z_filefunc, s->filestream_with_CD, &file_info.flag) != UNZ_OK) - err = UNZ_ERRNO; - if (unzReadUInt16(&s->z_filefunc, s->filestream_with_CD, &file_info.compression_method) != UNZ_OK) - err = UNZ_ERRNO; - if (unzReadUInt32(&s->z_filefunc, s->filestream_with_CD, &file_info.dos_date) != UNZ_OK) - err = UNZ_ERRNO; - if (unzReadUInt32(&s->z_filefunc, s->filestream_with_CD, &file_info.crc) != UNZ_OK) - err = UNZ_ERRNO; - if (unzReadUInt32(&s->z_filefunc, s->filestream_with_CD, &value32) != UNZ_OK) - err = UNZ_ERRNO; - file_info.compressed_size = value32; - if (unzReadUInt32(&s->z_filefunc, s->filestream_with_CD, &value32) != UNZ_OK) - err = UNZ_ERRNO; - file_info.uncompressed_size = value32; - if (unzReadUInt16(&s->z_filefunc, s->filestream_with_CD, &file_info.size_filename) != UNZ_OK) - err = UNZ_ERRNO; - if (unzReadUInt16(&s->z_filefunc, s->filestream_with_CD, &file_info.size_file_extra) != UNZ_OK) - err = UNZ_ERRNO; - if (unzReadUInt16(&s->z_filefunc, s->filestream_with_CD, &file_info.size_file_comment) != UNZ_OK) - err = UNZ_ERRNO; - if (unzReadUInt16(&s->z_filefunc, s->filestream_with_CD, &value16) != UNZ_OK) - err = UNZ_ERRNO; - file_info.disk_num_start = value16; - if (unzReadUInt16(&s->z_filefunc, s->filestream_with_CD, &file_info.internal_fa) != UNZ_OK) - err = UNZ_ERRNO; - if (unzReadUInt32(&s->z_filefunc, s->filestream_with_CD, &file_info.external_fa) != UNZ_OK) - err = UNZ_ERRNO; - /* Relative offset of local header */ - if (unzReadUInt32(&s->z_filefunc, s->filestream_with_CD, &value32) != UNZ_OK) - err = UNZ_ERRNO; - - file_info.size_file_extra_internal = 0; - file_info.disk_offset = value32; - file_info_internal.offset_curfile = value32; -#ifdef HAVE_AES - file_info_internal.aes_compression_method = 0; - file_info_internal.aes_encryption_mode = 0; - file_info_internal.aes_version = 0; -#endif - - if (err == UNZ_OK) - err = unzGetCurrentFileInfoField(file, &seek, filename, filename_size, file_info.size_filename, 1); - - /* Read extrafield */ - if (err == UNZ_OK) - err = unzGetCurrentFileInfoField(file, &seek, extrafield, extrafield_size, file_info.size_file_extra, 0); - - if ((err == UNZ_OK) && (file_info.size_file_extra != 0)) - { - if (seek != 0) - { - if (ZSEEK64(s->z_filefunc, s->filestream_with_CD, seek, ZLIB_FILEFUNC_SEEK_CUR) == 0) - seek = 0; - else - err = UNZ_ERRNO; - } - - /* We are going to parse the extra field so we need to move back */ - current_pos = ZTELL64(s->z_filefunc, s->filestream_with_CD); - if (current_pos < file_info.size_file_extra) - err = UNZ_ERRNO; - current_pos -= file_info.size_file_extra; - if (ZSEEK64(s->z_filefunc, s->filestream_with_CD, current_pos, ZLIB_FILEFUNC_SEEK_SET) != 0) - err = UNZ_ERRNO; - - while ((err != UNZ_ERRNO) && (extra_pos < file_info.size_file_extra)) - { - if (unzReadUInt16(&s->z_filefunc, s->filestream_with_CD, &extra_header_id) != UNZ_OK) - err = UNZ_ERRNO; - if (unzReadUInt16(&s->z_filefunc, s->filestream_with_CD, &extra_data_size) != UNZ_OK) - err = UNZ_ERRNO; - - /* ZIP64 extra fields */ - if (extra_header_id == 0x0001) - { - /* Subtract size of ZIP64 field, since ZIP64 is handled internally */ - file_info.size_file_extra_internal += 2 + 2 + extra_data_size; - - if (file_info.uncompressed_size == UINT32_MAX) - { - if (unzReadUInt64(&s->z_filefunc, s->filestream_with_CD, &file_info.uncompressed_size) != UNZ_OK) - err = UNZ_ERRNO; - } - if (file_info.compressed_size == UINT32_MAX) - { - if (unzReadUInt64(&s->z_filefunc, s->filestream_with_CD, &file_info.compressed_size) != UNZ_OK) - err = UNZ_ERRNO; - } - if (file_info_internal.offset_curfile == UINT32_MAX) - { - /* Relative Header offset */ - if (unzReadUInt64(&s->z_filefunc, s->filestream_with_CD, &value64) != UNZ_OK) - err = UNZ_ERRNO; - file_info_internal.offset_curfile = value64; - file_info.disk_offset = value64; - } - if (file_info.disk_num_start == UINT32_MAX) - { - /* Disk Start Number */ - if (unzReadUInt32(&s->z_filefunc, s->filestream_with_CD, &file_info.disk_num_start) != UNZ_OK) - err = UNZ_ERRNO; - } - } -#ifdef HAVE_AES - /* AES header */ - else if (extra_header_id == 0x9901) - { - uint8_t value8 = 0; - - /* Subtract size of AES field, since AES is handled internally */ - file_info.size_file_extra_internal += 2 + 2 + extra_data_size; - - /* Verify version info */ - if (unzReadUInt16(&s->z_filefunc, s->filestream_with_CD, &value16) != UNZ_OK) - err = UNZ_ERRNO; - /* Support AE-1 and AE-2 */ - if (value16 != 1 && value16 != 2) - err = UNZ_ERRNO; - file_info_internal.aes_version = value16; - if (unzReadUInt8(&s->z_filefunc, s->filestream_with_CD, &value8) != UNZ_OK) - err = UNZ_ERRNO; - if ((char)value8 != 'A') - err = UNZ_ERRNO; - if (unzReadUInt8(&s->z_filefunc, s->filestream_with_CD, &value8) != UNZ_OK) - err = UNZ_ERRNO; - if ((char)value8 != 'E') - err = UNZ_ERRNO; - /* Get AES encryption strength and actual compression method */ - if (unzReadUInt8(&s->z_filefunc, s->filestream_with_CD, &value8) != UNZ_OK) - err = UNZ_ERRNO; - file_info_internal.aes_encryption_mode = value8; - if (unzReadUInt16(&s->z_filefunc, s->filestream_with_CD, &value16) != UNZ_OK) - err = UNZ_ERRNO; - file_info_internal.aes_compression_method = value16; - } -#endif - else - { - if (ZSEEK64(s->z_filefunc, s->filestream_with_CD,extra_data_size, ZLIB_FILEFUNC_SEEK_CUR) != 0) - err = UNZ_ERRNO; - } - - extra_pos += 2 + 2 + extra_data_size; - } - } - - if (file_info.disk_num_start == s->gi.number_disk_with_CD) - file_info_internal.byte_before_the_zipfile = s->byte_before_the_zipfile; - else - file_info_internal.byte_before_the_zipfile = 0; - - if (err == UNZ_OK) - err = unzGetCurrentFileInfoField(file, &seek, comment, comment_size, file_info.size_file_comment, 1); - - if ((err == UNZ_OK) && (pfile_info != NULL)) - *pfile_info = file_info; - if ((err == UNZ_OK) && (pfile_info_internal != NULL)) - *pfile_info_internal = file_info_internal; - - return err; -} - -extern int ZEXPORT unzGetCurrentFileInfo(unzFile file, unz_file_info *pfile_info, char *filename, - uint16_t filename_size, void *extrafield, uint16_t extrafield_size, char *comment, uint16_t comment_size) -{ - unz_file_info64 file_info64; - int err = UNZ_OK; - - err = unzGetCurrentFileInfoInternal(file, &file_info64, NULL, filename, filename_size, - extrafield, extrafield_size, comment, comment_size); - - if ((err == UNZ_OK) && (pfile_info != NULL)) - { - pfile_info->version = file_info64.version; - pfile_info->version_needed = file_info64.version_needed; - pfile_info->flag = file_info64.flag; - pfile_info->compression_method = file_info64.compression_method; - pfile_info->dos_date = file_info64.dos_date; - pfile_info->crc = file_info64.crc; - - pfile_info->size_filename = file_info64.size_filename; - pfile_info->size_file_extra = file_info64.size_file_extra - file_info64.size_file_extra_internal; - pfile_info->size_file_comment = file_info64.size_file_comment; - - pfile_info->disk_num_start = (uint16_t)file_info64.disk_num_start; - pfile_info->internal_fa = file_info64.internal_fa; - pfile_info->external_fa = file_info64.external_fa; - - pfile_info->compressed_size = (uint32_t)file_info64.compressed_size; - pfile_info->uncompressed_size = (uint32_t)file_info64.uncompressed_size; - } - return err; -} - -extern int ZEXPORT unzGetCurrentFileInfo64(unzFile file, unz_file_info64 * pfile_info, char *filename, - uint16_t filename_size, void *extrafield, uint16_t extrafield_size, char *comment, uint16_t comment_size) -{ - return unzGetCurrentFileInfoInternal(file, pfile_info, NULL, filename, filename_size, - extrafield, extrafield_size, comment,comment_size); -} - -/* Read the local header of the current zipfile. Check the coherency of the local header and info in the - end of central directory about this file store in *piSizeVar the size of extra info in local header - (filename and size of extra field data) */ -static int unzCheckCurrentFileCoherencyHeader(unz64_s *s, uint32_t *psize_variable, uint64_t *poffset_local_extrafield, - uint16_t *psize_local_extrafield) -{ - uint32_t magic = 0; - uint16_t value16 = 0; - uint32_t value32 = 0; - uint32_t flags = 0; - uint16_t size_filename = 0; - uint16_t size_extra_field = 0; - uint16_t compression_method = 0; - int err = UNZ_OK; - - if (psize_variable == NULL) - return UNZ_PARAMERROR; - *psize_variable = 0; - if (poffset_local_extrafield == NULL) - return UNZ_PARAMERROR; - *poffset_local_extrafield = 0; - if (psize_local_extrafield == NULL) - return UNZ_PARAMERROR; - *psize_local_extrafield = 0; - - err = unzGoToNextDisk((unzFile)s); - if (err != UNZ_OK) - return err; - - if (ZSEEK64(s->z_filefunc, s->filestream, s->cur_file_info_internal.offset_curfile + - s->cur_file_info_internal.byte_before_the_zipfile, ZLIB_FILEFUNC_SEEK_SET) != 0) - return UNZ_ERRNO; - - if (err == UNZ_OK) - { - if (unzReadUInt32(&s->z_filefunc, s->filestream, &magic) != UNZ_OK) - err = UNZ_ERRNO; - else if (magic != LOCALHEADERMAGIC) - err = UNZ_BADZIPFILE; - } - - if (unzReadUInt16(&s->z_filefunc, s->filestream, &value16) != UNZ_OK) - err = UNZ_ERRNO; - if (unzReadUInt16(&s->z_filefunc, s->filestream, &value16) != UNZ_OK) - err = UNZ_ERRNO; - flags = value16; - if (unzReadUInt16(&s->z_filefunc, s->filestream, &value16) != UNZ_OK) - err = UNZ_ERRNO; - else if ((err == UNZ_OK) && (value16 != s->cur_file_info.compression_method)) - err = UNZ_BADZIPFILE; - - compression_method = s->cur_file_info.compression_method; -#ifdef HAVE_AES - if (compression_method == AES_METHOD) - compression_method = s->cur_file_info_internal.aes_compression_method; -#endif - - if ((err == UNZ_OK) && (compression_method != 0) && (compression_method != Z_DEFLATED)) - { -#ifdef HAVE_BZIP2 - if (compression_method != Z_BZIP2ED) -#endif - err = UNZ_BADZIPFILE; - } - - if (unzReadUInt32(&s->z_filefunc, s->filestream, &value32) != UNZ_OK) /* date/time */ - err = UNZ_ERRNO; - if (unzReadUInt32(&s->z_filefunc, s->filestream, &value32) != UNZ_OK) /* crc */ - err = UNZ_ERRNO; - else if ((err == UNZ_OK) && (value32 != s->cur_file_info.crc) && ((flags & 8) == 0)) - err = UNZ_BADZIPFILE; - if (unzReadUInt32(&s->z_filefunc, s->filestream, &value32) != UNZ_OK) /* size compr */ - err = UNZ_ERRNO; - else if ((value32 != UINT32_MAX) && (err == UNZ_OK) && (value32 != s->cur_file_info.compressed_size) && ((flags & 8) == 0)) - err = UNZ_BADZIPFILE; - if (unzReadUInt32(&s->z_filefunc, s->filestream, &value32) != UNZ_OK) /* size uncompr */ - err = UNZ_ERRNO; - else if ((value32 != UINT32_MAX) && (err == UNZ_OK) && (value32 != s->cur_file_info.uncompressed_size) && ((flags & 8) == 0)) - err = UNZ_BADZIPFILE; - if (unzReadUInt16(&s->z_filefunc, s->filestream, &size_filename) != UNZ_OK) - err = UNZ_ERRNO; - else if ((err == UNZ_OK) && (size_filename != s->cur_file_info.size_filename)) - err = UNZ_BADZIPFILE; - - *psize_variable += size_filename; - - if (unzReadUInt16(&s->z_filefunc, s->filestream, &size_extra_field) != UNZ_OK) - err = UNZ_ERRNO; - - *poffset_local_extrafield = s->cur_file_info_internal.offset_curfile + SIZEZIPLOCALHEADER + size_filename; - *psize_local_extrafield = size_extra_field; - *psize_variable += size_extra_field; - - return err; -} - -/* - Open for reading data the current file in the zipfile. - If there is no error and the file is opened, the return value is UNZ_OK. -*/ -extern int ZEXPORT unzOpenCurrentFile3(unzFile file, int *method, int *level, int raw, const char *password) -{ - unz64_s *s = NULL; - file_in_zip64_read_info_s *pfile_in_zip_read_info = NULL; - uint16_t compression_method = 0; - uint64_t offset_local_extrafield = 0; - uint16_t size_local_extrafield = 0; - uint32_t size_variable = 0; - int err = UNZ_OK; -#ifndef NOUNCRYPT - char source[12]; -#else - if (password != NULL) - return UNZ_PARAMERROR; -#endif - if (file == NULL) - return UNZ_PARAMERROR; - s = (unz64_s*)file; - if (!s->current_file_ok) - return UNZ_PARAMERROR; - - if (s->pfile_in_zip_read != NULL) - unzCloseCurrentFile(file); - - if (unzCheckCurrentFileCoherencyHeader(s, &size_variable, &offset_local_extrafield, &size_local_extrafield) != UNZ_OK) - return UNZ_BADZIPFILE; - - pfile_in_zip_read_info = (file_in_zip64_read_info_s*)ALLOC(sizeof(file_in_zip64_read_info_s)); - if (pfile_in_zip_read_info == NULL) - return UNZ_INTERNALERROR; - - pfile_in_zip_read_info->read_buffer = (uint8_t*)ALLOC(UNZ_BUFSIZE); - pfile_in_zip_read_info->offset_local_extrafield = offset_local_extrafield; - pfile_in_zip_read_info->size_local_extrafield = size_local_extrafield; - pfile_in_zip_read_info->pos_local_extrafield = 0; - pfile_in_zip_read_info->raw = raw; - - if (pfile_in_zip_read_info->read_buffer == NULL) - { - TRYFREE(pfile_in_zip_read_info); - return UNZ_INTERNALERROR; - } - - pfile_in_zip_read_info->stream_initialised = 0; - - compression_method = s->cur_file_info.compression_method; -#ifdef HAVE_AES - if (compression_method == AES_METHOD) - { - compression_method = s->cur_file_info_internal.aes_compression_method; - if (password == NULL) - { - TRYFREE(pfile_in_zip_read_info); - return UNZ_PARAMERROR; - } - } -#endif - - if (method != NULL) - *method = compression_method; - - if (level != NULL) - { - *level = 6; - switch (s->cur_file_info.flag & 0x06) - { - case 6 : *level = 1; break; - case 4 : *level = 2; break; - case 2 : *level = 9; break; - } - } - - if ((compression_method != 0) && (compression_method != Z_DEFLATED)) - { -#ifdef HAVE_BZIP2 - if (compression_method != Z_BZIP2ED) -#endif - { - TRYFREE(pfile_in_zip_read_info); - return UNZ_BADZIPFILE; - } - } - - pfile_in_zip_read_info->crc32_wait = s->cur_file_info.crc; - pfile_in_zip_read_info->crc32 = 0; - pfile_in_zip_read_info->total_out_64 = 0; - pfile_in_zip_read_info->compression_method = compression_method; - pfile_in_zip_read_info->filestream = s->filestream; - pfile_in_zip_read_info->z_filefunc = s->z_filefunc; - if (s->number_disk == s->gi.number_disk_with_CD) - pfile_in_zip_read_info->byte_before_the_zipfile = s->byte_before_the_zipfile; - else - pfile_in_zip_read_info->byte_before_the_zipfile = 0; - pfile_in_zip_read_info->stream.total_out = 0; - pfile_in_zip_read_info->stream.total_in = 0; - pfile_in_zip_read_info->stream.next_in = NULL; - - if (!raw) - { - if (compression_method == Z_BZIP2ED) - { -#ifdef HAVE_BZIP2 - pfile_in_zip_read_info->bstream.bzalloc = (void *(*) (void *, int, int))0; - pfile_in_zip_read_info->bstream.bzfree = (free_func)0; - pfile_in_zip_read_info->bstream.opaque = (voidpf)0; - pfile_in_zip_read_info->bstream.state = (voidpf)0; - - pfile_in_zip_read_info->stream.zalloc = (alloc_func)0; - pfile_in_zip_read_info->stream.zfree = (free_func)0; - pfile_in_zip_read_info->stream.opaque = (voidpf)0; - pfile_in_zip_read_info->stream.next_in = (voidpf)0; - pfile_in_zip_read_info->stream.avail_in = 0; - - err = BZ2_bzDecompressInit(&pfile_in_zip_read_info->bstream, 0, 0); - if (err == Z_OK) - { - pfile_in_zip_read_info->stream_initialised = Z_BZIP2ED; - } - else - { - TRYFREE(pfile_in_zip_read_info); - return err; - } -#else - pfile_in_zip_read_info->raw = 1; -#endif - } - else if (compression_method == Z_DEFLATED) - { - pfile_in_zip_read_info->stream.zalloc = (alloc_func)0; - pfile_in_zip_read_info->stream.zfree = (free_func)0; - pfile_in_zip_read_info->stream.opaque = (voidpf)s; - pfile_in_zip_read_info->stream.next_in = 0; - pfile_in_zip_read_info->stream.avail_in = 0; - -#ifdef HAVE_APPLE_COMPRESSION - err = compression_stream_init(&pfile_in_zip_read_info->astream, COMPRESSION_STREAM_DECODE, COMPRESSION_ZLIB); - if (err == COMPRESSION_STATUS_ERROR) - err = UNZ_INTERNALERROR; - else - err = Z_OK; -#else - err = inflateInit2(&pfile_in_zip_read_info->stream, -MAX_WBITS); -#endif - if (err == Z_OK) - { - pfile_in_zip_read_info->stream_initialised = Z_DEFLATED; - } - else - { - TRYFREE(pfile_in_zip_read_info); - return err; - } - /* windowBits is passed < 0 to tell that there is no zlib header. - * Note that in this case inflate *requires* an extra "dummy" byte - * after the compressed stream in order to complete decompression and - * return Z_STREAM_END. - * In unzip, i don't wait absolutely Z_STREAM_END because I known the - * size of both compressed and uncompressed data - */ - } - } - - pfile_in_zip_read_info->rest_read_compressed = s->cur_file_info.compressed_size; - pfile_in_zip_read_info->rest_read_uncompressed = s->cur_file_info.uncompressed_size; - pfile_in_zip_read_info->pos_in_zipfile = s->cur_file_info_internal.offset_curfile + SIZEZIPLOCALHEADER + size_variable; - pfile_in_zip_read_info->stream.avail_in = 0; - - s->pfile_in_zip_read = pfile_in_zip_read_info; - -#ifndef NOUNCRYPT - s->pcrc_32_tab = NULL; - - if ((password != NULL) && ((s->cur_file_info.flag & 1) != 0)) - { - if (ZSEEK64(s->z_filefunc, s->filestream, - s->pfile_in_zip_read->pos_in_zipfile + s->pfile_in_zip_read->byte_before_the_zipfile, - ZLIB_FILEFUNC_SEEK_SET) != 0) - return UNZ_INTERNALERROR; -#ifdef HAVE_AES - if (s->cur_file_info.compression_method == AES_METHOD) - { - unsigned char passverify_archive[AES_PWVERIFYSIZE]; - unsigned char passverify_password[AES_PWVERIFYSIZE]; - unsigned char salt_value[AES_MAXSALTLENGTH]; - uint32_t salt_length = 0; - - if ((s->cur_file_info_internal.aes_encryption_mode < 1) || - (s->cur_file_info_internal.aes_encryption_mode > 3)) - return UNZ_INTERNALERROR; - - salt_length = SALT_LENGTH(s->cur_file_info_internal.aes_encryption_mode); - - if (ZREAD64(s->z_filefunc, s->filestream, salt_value, salt_length) != salt_length) - return UNZ_INTERNALERROR; - if (ZREAD64(s->z_filefunc, s->filestream, passverify_archive, AES_PWVERIFYSIZE) != AES_PWVERIFYSIZE) - return UNZ_INTERNALERROR; - - fcrypt_init(s->cur_file_info_internal.aes_encryption_mode, (uint8_t *)password, - (uint32_t)strlen(password), salt_value, passverify_password, &s->pfile_in_zip_read->aes_ctx); - - if (memcmp(passverify_archive, passverify_password, AES_PWVERIFYSIZE) != 0) - return UNZ_BADPASSWORD; - - s->pfile_in_zip_read->rest_read_compressed -= salt_length + AES_PWVERIFYSIZE; - s->pfile_in_zip_read->rest_read_compressed -= AES_AUTHCODESIZE; - - s->pfile_in_zip_read->pos_in_zipfile += salt_length + AES_PWVERIFYSIZE; - } - else -#endif - { - int i; - s->pcrc_32_tab = (const z_crc_t*)get_crc_table(); - init_keys(password, s->keys, s->pcrc_32_tab); - - if (ZREAD64(s->z_filefunc, s->filestream, source, 12) < 12) - return UNZ_INTERNALERROR; - - for (i = 0; i < 12; i++) - zdecode(s->keys, s->pcrc_32_tab, source[i]); - - s->pfile_in_zip_read->rest_read_compressed -= 12; - s->pfile_in_zip_read->pos_in_zipfile += 12; - } - } -#endif - - return UNZ_OK; -} - -extern int ZEXPORT unzOpenCurrentFile(unzFile file) -{ - return unzOpenCurrentFile3(file, NULL, NULL, 0, NULL); -} - -extern int ZEXPORT unzOpenCurrentFilePassword(unzFile file, const char *password) -{ - return unzOpenCurrentFile3(file, NULL, NULL, 0, password); -} - -extern int ZEXPORT unzOpenCurrentFile2(unzFile file, int *method, int *level, int raw) -{ - return unzOpenCurrentFile3(file, method, level, raw, NULL); -} - -/* Read bytes from the current file. - buf contain buffer where data must be copied - len the size of buf. - - return the number of byte copied if some bytes are copied - return 0 if the end of file was reached - return <0 with error code if there is an error (UNZ_ERRNO for IO error, or zLib error for uncompress error) */ -extern int ZEXPORT unzReadCurrentFile(unzFile file, voidp buf, uint32_t len) -{ - unz64_s *s = NULL; - uint32_t read = 0; - int err = UNZ_OK; - - if (file == NULL) - return UNZ_PARAMERROR; - s = (unz64_s*)file; - - if (s->pfile_in_zip_read == NULL) - return UNZ_PARAMERROR; - if (s->pfile_in_zip_read->read_buffer == NULL) - return UNZ_END_OF_LIST_OF_FILE; - if (len == 0) - return 0; - if (len > UINT16_MAX) - return UNZ_PARAMERROR; - - s->pfile_in_zip_read->stream.next_out = (uint8_t*)buf; - s->pfile_in_zip_read->stream.avail_out = (uint16_t)len; - - if (s->pfile_in_zip_read->raw) - { - if (len > s->pfile_in_zip_read->rest_read_compressed + s->pfile_in_zip_read->stream.avail_in) - s->pfile_in_zip_read->stream.avail_out = (uint16_t)s->pfile_in_zip_read->rest_read_compressed + - s->pfile_in_zip_read->stream.avail_in; - } - else - { - if (len > s->pfile_in_zip_read->rest_read_uncompressed) - s->pfile_in_zip_read->stream.avail_out = (uint16_t)s->pfile_in_zip_read->rest_read_uncompressed; - } - - while (s->pfile_in_zip_read->stream.avail_out > 0) - { - if (s->pfile_in_zip_read->stream.avail_in == 0) - { - uint32_t bytes_to_read = UNZ_BUFSIZE; - uint32_t bytes_not_read = 0; - uint32_t bytes_read = 0; - uint32_t total_bytes_read = 0; - - if (s->pfile_in_zip_read->stream.next_in != NULL) - bytes_not_read = (uint32_t)(s->pfile_in_zip_read->read_buffer + UNZ_BUFSIZE - - s->pfile_in_zip_read->stream.next_in); - bytes_to_read -= bytes_not_read; - if (bytes_not_read > 0) - memcpy(s->pfile_in_zip_read->read_buffer, s->pfile_in_zip_read->stream.next_in, bytes_not_read); - if (s->pfile_in_zip_read->rest_read_compressed < bytes_to_read) - bytes_to_read = (uint16_t)s->pfile_in_zip_read->rest_read_compressed; - - while (total_bytes_read != bytes_to_read) - { - if (ZSEEK64(s->pfile_in_zip_read->z_filefunc, s->pfile_in_zip_read->filestream, - s->pfile_in_zip_read->pos_in_zipfile + s->pfile_in_zip_read->byte_before_the_zipfile, - ZLIB_FILEFUNC_SEEK_SET) != 0) - return UNZ_ERRNO; - - bytes_read = ZREAD64(s->pfile_in_zip_read->z_filefunc, s->pfile_in_zip_read->filestream, - s->pfile_in_zip_read->read_buffer + bytes_not_read + total_bytes_read, - bytes_to_read - total_bytes_read); - - total_bytes_read += bytes_read; - s->pfile_in_zip_read->pos_in_zipfile += bytes_read; - - if (bytes_read == 0) - { - if (ZERROR64(s->pfile_in_zip_read->z_filefunc, s->pfile_in_zip_read->filestream)) - return UNZ_ERRNO; - - err = unzGoToNextDisk(file); - if (err != UNZ_OK) - return err; - - s->pfile_in_zip_read->pos_in_zipfile = 0; - s->pfile_in_zip_read->filestream = s->filestream; - } - } - -#ifndef NOUNCRYPT - if ((s->cur_file_info.flag & 1) != 0) - { -#ifdef HAVE_AES - if (s->cur_file_info.compression_method == AES_METHOD) - { - fcrypt_decrypt(s->pfile_in_zip_read->read_buffer, bytes_to_read, &s->pfile_in_zip_read->aes_ctx); - } - else -#endif - if (s->pcrc_32_tab != NULL) - { - uint32_t i = 0; - - for (i = 0; i < total_bytes_read; i++) - s->pfile_in_zip_read->read_buffer[i] = - zdecode(s->keys, s->pcrc_32_tab, s->pfile_in_zip_read->read_buffer[i]); - } - } -#endif - - s->pfile_in_zip_read->rest_read_compressed -= total_bytes_read; - s->pfile_in_zip_read->stream.next_in = (uint8_t*)s->pfile_in_zip_read->read_buffer; - s->pfile_in_zip_read->stream.avail_in = (uint16_t)(bytes_not_read + total_bytes_read); - } - - if ((s->pfile_in_zip_read->compression_method == 0) || (s->pfile_in_zip_read->raw)) - { - uint32_t i = 0; - uint32_t copy = 0; - - if ((s->pfile_in_zip_read->stream.avail_in == 0) && - (s->pfile_in_zip_read->rest_read_compressed == 0)) - return (read == 0) ? UNZ_EOF : read; - - if (s->pfile_in_zip_read->stream.avail_out < s->pfile_in_zip_read->stream.avail_in) - copy = s->pfile_in_zip_read->stream.avail_out; - else - copy = s->pfile_in_zip_read->stream.avail_in; - - for (i = 0; i < copy; i++) - *(s->pfile_in_zip_read->stream.next_out + i) = - *(s->pfile_in_zip_read->stream.next_in + i); - - s->pfile_in_zip_read->total_out_64 = s->pfile_in_zip_read->total_out_64 + copy; - s->pfile_in_zip_read->rest_read_uncompressed -= copy; - s->pfile_in_zip_read->crc32 = (uint32_t)crc32(s->pfile_in_zip_read->crc32, - s->pfile_in_zip_read->stream.next_out, copy); - - s->pfile_in_zip_read->stream.avail_in -= copy; - s->pfile_in_zip_read->stream.avail_out -= copy; - s->pfile_in_zip_read->stream.next_out += copy; - s->pfile_in_zip_read->stream.next_in += copy; - s->pfile_in_zip_read->stream.total_out += copy; - - read += copy; - } - else if (s->pfile_in_zip_read->compression_method == Z_BZIP2ED) - { -#ifdef HAVE_BZIP2 - uint64_t total_out_before = 0; - uint64_t total_out_after = 0; - uint64_t out_bytes = 0; - const uint8_t *buf_before = NULL; - - s->pfile_in_zip_read->bstream.next_in = (char*)s->pfile_in_zip_read->stream.next_in; - s->pfile_in_zip_read->bstream.avail_in = s->pfile_in_zip_read->stream.avail_in; - s->pfile_in_zip_read->bstream.total_in_lo32 = (uint32_t)s->pfile_in_zip_read->stream.total_in; - s->pfile_in_zip_read->bstream.total_in_hi32 = s->pfile_in_zip_read->stream.total_in >> 32; - - s->pfile_in_zip_read->bstream.next_out = (char*)s->pfile_in_zip_read->stream.next_out; - s->pfile_in_zip_read->bstream.avail_out = s->pfile_in_zip_read->stream.avail_out; - s->pfile_in_zip_read->bstream.total_out_lo32 = (uint32_t)s->pfile_in_zip_read->stream.total_out; - s->pfile_in_zip_read->bstream.total_out_hi32 = s->pfile_in_zip_read->stream.total_out >> 32; - - total_out_before = s->pfile_in_zip_read->bstream.total_out_lo32 + - (((uint32_t)s->pfile_in_zip_read->bstream.total_out_hi32) << 32); - buf_before = (const uint8_t*)s->pfile_in_zip_read->bstream.next_out; - - err = BZ2_bzDecompress(&s->pfile_in_zip_read->bstream); - - total_out_after = s->pfile_in_zip_read->bstream.total_out_lo32 + - (((uint32_t)s->pfile_in_zip_read->bstream.total_out_hi32) << 32); - - out_bytes = total_out_after - total_out_before; - - s->pfile_in_zip_read->total_out_64 = s->pfile_in_zip_read->total_out_64 + out_bytes; - s->pfile_in_zip_read->rest_read_uncompressed -= out_bytes; - s->pfile_in_zip_read->crc32 = crc32(s->pfile_in_zip_read->crc32, buf_before, (uint32_t)out_bytes); - - read += (uint32_t)out_bytes; - - s->pfile_in_zip_read->stream.next_in = (uint8_t*)s->pfile_in_zip_read->bstream.next_in; - s->pfile_in_zip_read->stream.avail_in = s->pfile_in_zip_read->bstream.avail_in; - s->pfile_in_zip_read->stream.total_in = s->pfile_in_zip_read->bstream.total_in_lo32; - s->pfile_in_zip_read->stream.next_out = (uint8_t*)s->pfile_in_zip_read->bstream.next_out; - s->pfile_in_zip_read->stream.avail_out = s->pfile_in_zip_read->bstream.avail_out; - s->pfile_in_zip_read->stream.total_out = s->pfile_in_zip_read->bstream.total_out_lo32; - - if (err == BZ_STREAM_END) - return (read == 0) ? UNZ_EOF : read; - if (err != BZ_OK) - break; -#endif - } -#ifdef HAVE_APPLE_COMPRESSION - else - { - uint64_t total_out_before = 0; - uint64_t total_out_after = 0; - uint64_t out_bytes = 0; - const uint8_t *buf_before = NULL; - - s->pfile_in_zip_read->astream.src_ptr = s->pfile_in_zip_read->stream.next_in; - s->pfile_in_zip_read->astream.src_size = s->pfile_in_zip_read->stream.avail_in; - s->pfile_in_zip_read->astream.dst_ptr = s->pfile_in_zip_read->stream.next_out; - s->pfile_in_zip_read->astream.dst_size = len; - - total_out_before = s->pfile_in_zip_read->stream.total_out; - buf_before = s->pfile_in_zip_read->stream.next_out; - - compression_status status; - compression_stream_flags flags; - - if (s->pfile_in_zip_read->stream.avail_in == 0) - { - flags = COMPRESSION_STREAM_FINALIZE; - } - - status = compression_stream_process(&s->pfile_in_zip_read->astream, flags); - - total_out_after = len - s->pfile_in_zip_read->astream.dst_size; - out_bytes = total_out_after - total_out_before; - - s->pfile_in_zip_read->total_out_64 += out_bytes; - s->pfile_in_zip_read->rest_read_uncompressed -= out_bytes; - s->pfile_in_zip_read->crc32 = - crc32(s->pfile_in_zip_read->crc32, buf_before, (uint32_t)out_bytes); - - read += (uint32_t)out_bytes; - - s->pfile_in_zip_read->stream.next_in = s->pfile_in_zip_read->astream.src_ptr; - s->pfile_in_zip_read->stream.avail_in = s->pfile_in_zip_read->astream.src_size; - s->pfile_in_zip_read->stream.next_out = s->pfile_in_zip_read->astream.dst_ptr; - s->pfile_in_zip_read->stream.avail_out = s->pfile_in_zip_read->astream.dst_size; - - if (status == COMPRESSION_STATUS_END) - return (read == 0) ? UNZ_EOF : read; - if (status == COMPRESSION_STATUS_ERROR) - return Z_DATA_ERROR; - return read; - } -#else - else - { - - uint64_t total_out_before = 0; - uint64_t total_out_after = 0; - uint64_t out_bytes = 0; - const uint8_t *buf_before = NULL; - int flush = Z_SYNC_FLUSH; - - total_out_before = s->pfile_in_zip_read->stream.total_out; - buf_before = s->pfile_in_zip_read->stream.next_out; - - /* - if ((pfile_in_zip_read_info->rest_read_uncompressed == - pfile_in_zip_read_info->stream.avail_out) && - (pfile_in_zip_read_info->rest_read_compressed == 0)) - flush = Z_FINISH; - */ - err = inflate(&s->pfile_in_zip_read->stream, flush); - - if ((err >= 0) && (s->pfile_in_zip_read->stream.msg != NULL)) - err = Z_DATA_ERROR; - - total_out_after = s->pfile_in_zip_read->stream.total_out; - out_bytes = total_out_after - total_out_before; - - s->pfile_in_zip_read->total_out_64 += out_bytes; - s->pfile_in_zip_read->rest_read_uncompressed -= out_bytes; - s->pfile_in_zip_read->crc32 = - (uint32_t)crc32(s->pfile_in_zip_read->crc32,buf_before, (uint32_t)out_bytes); - - read += (uint32_t)out_bytes; - - if (err == Z_STREAM_END) - return (read == 0) ? UNZ_EOF : read; - if (err != Z_OK) - break; - } -#endif - } - - if (err == Z_OK) - return read; - return err; -} - -extern int ZEXPORT unzGetLocalExtrafield(unzFile file, voidp buf, uint32_t len) -{ - unz64_s *s = NULL; - uint64_t size_to_read = 0; - uint32_t read_now = 0; - - if (file == NULL) - return UNZ_PARAMERROR; - s = (unz64_s*)file; - if (s->pfile_in_zip_read == NULL) - return UNZ_PARAMERROR; - - size_to_read = s->pfile_in_zip_read->size_local_extrafield - s->pfile_in_zip_read->pos_local_extrafield; - - if (buf == NULL) - return (int)size_to_read; - - if (len > size_to_read) - read_now = (uint32_t)size_to_read; - else - read_now = len; - - if (read_now == 0) - return 0; - - if (ZSEEK64(s->pfile_in_zip_read->z_filefunc, s->pfile_in_zip_read->filestream, - s->pfile_in_zip_read->offset_local_extrafield + s->pfile_in_zip_read->pos_local_extrafield, - ZLIB_FILEFUNC_SEEK_SET) != 0) - return UNZ_ERRNO; - - if (ZREAD64(s->pfile_in_zip_read->z_filefunc, s->pfile_in_zip_read->filestream, buf, read_now) != read_now) - return UNZ_ERRNO; - - return (int)read_now; -} - -extern int ZEXPORT unzCloseCurrentFile(unzFile file) -{ - unz64_s *s = NULL; - file_in_zip64_read_info_s *pfile_in_zip_read_info = NULL; - int err = UNZ_OK; - - if (file == NULL) - return UNZ_PARAMERROR; - s = (unz64_s*)file; - pfile_in_zip_read_info = s->pfile_in_zip_read; - if (pfile_in_zip_read_info == NULL) - return UNZ_PARAMERROR; - -#ifdef HAVE_AES - if (s->cur_file_info.compression_method == AES_METHOD) - { - unsigned char authcode[AES_AUTHCODESIZE]; - unsigned char rauthcode[AES_AUTHCODESIZE]; - - if (ZREAD64(s->z_filefunc, s->filestream, authcode, AES_AUTHCODESIZE) != AES_AUTHCODESIZE) - return UNZ_ERRNO; - - if (fcrypt_end(rauthcode, &s->pfile_in_zip_read->aes_ctx) != AES_AUTHCODESIZE) - err = UNZ_CRCERROR; - if (memcmp(authcode, rauthcode, AES_AUTHCODESIZE) != 0) - err = UNZ_CRCERROR; - } - /* AES zip version AE-1 will expect a valid crc as well */ - if ((s->cur_file_info.compression_method != AES_METHOD) || - (s->cur_file_info_internal.aes_version == 0x0001)) -#endif - { - if ((pfile_in_zip_read_info->rest_read_uncompressed == 0) && - (!pfile_in_zip_read_info->raw)) - { - if (pfile_in_zip_read_info->crc32 != pfile_in_zip_read_info->crc32_wait) - err = UNZ_CRCERROR; - } - } - - TRYFREE(pfile_in_zip_read_info->read_buffer); - pfile_in_zip_read_info->read_buffer = NULL; - if (pfile_in_zip_read_info->stream_initialised == Z_DEFLATED) - { -#ifdef HAVE_APPLE_COMPRESSION - if (compression_stream_destroy) - compression_stream_destroy(&pfile_in_zip_read_info->astream); -#else - inflateEnd(&pfile_in_zip_read_info->stream); -#endif - - } -#ifdef HAVE_BZIP2 - else if (pfile_in_zip_read_info->stream_initialised == Z_BZIP2ED) - BZ2_bzDecompressEnd(&pfile_in_zip_read_info->bstream); -#endif - - pfile_in_zip_read_info->stream_initialised = 0; - TRYFREE(pfile_in_zip_read_info); - - s->pfile_in_zip_read = NULL; - - return err; -} - -extern int ZEXPORT unzGoToFirstFile2(unzFile file, unz_file_info64 *pfile_info, char *filename, - uint16_t filename_size, void *extrafield, uint16_t extrafield_size, char *comment, uint16_t comment_size) -{ - unz64_s *s = NULL; - int err = UNZ_OK; - - if (file == NULL) - return UNZ_PARAMERROR; - s = (unz64_s*)file; - - s->pos_in_central_dir = s->offset_central_dir; - s->num_file = 0; - - err = unzGetCurrentFileInfoInternal(file, &s->cur_file_info, &s->cur_file_info_internal, - filename, filename_size, extrafield, extrafield_size, comment,comment_size); - - s->current_file_ok = (err == UNZ_OK); - if ((err == UNZ_OK) && (pfile_info != NULL)) - memcpy(pfile_info, &s->cur_file_info, sizeof(unz_file_info64)); - - return err; -} - -extern int ZEXPORT unzGoToFirstFile(unzFile file) -{ - return unzGoToFirstFile2(file, NULL, NULL, 0, NULL, 0, NULL, 0); -} - -extern int ZEXPORT unzGoToNextFile2(unzFile file, unz_file_info64 *pfile_info, char *filename, - uint16_t filename_size, void *extrafield, uint16_t extrafield_size, char *comment, uint16_t comment_size) -{ - unz64_s *s = NULL; - int err = UNZ_OK; - - if (file == NULL) - return UNZ_PARAMERROR; - s = (unz64_s*)file; - - if (!s->current_file_ok) - return UNZ_END_OF_LIST_OF_FILE; - if (s->gi.number_entry != UINT16_MAX) /* 2^16 files overflow hack */ - { - if (s->num_file+1 == s->gi.number_entry) - return UNZ_END_OF_LIST_OF_FILE; - } - - s->pos_in_central_dir += SIZECENTRALDIRITEM + s->cur_file_info.size_filename + - s->cur_file_info.size_file_extra + s->cur_file_info.size_file_comment; - s->num_file += 1; - - err = unzGetCurrentFileInfoInternal(file, &s->cur_file_info, &s->cur_file_info_internal, - filename, filename_size, extrafield,extrafield_size, comment, comment_size); - - s->current_file_ok = (err == UNZ_OK); - if ((err == UNZ_OK) && (pfile_info != NULL)) - memcpy(pfile_info, &s->cur_file_info, sizeof(unz_file_info64)); - - return err; -} - -extern int ZEXPORT unzGoToNextFile(unzFile file) -{ - return unzGoToNextFile2(file, NULL, NULL, 0, NULL, 0, NULL, 0); -} - -extern int ZEXPORT unzLocateFile(unzFile file, const char *filename, unzFileNameComparer filename_compare_func) -{ - unz64_s *s = NULL; - unz_file_info64 cur_file_info_saved; - unz_file_info64_internal cur_file_info_internal_saved; - uint64_t num_file_saved = 0; - uint64_t pos_in_central_dir_saved = 0; - char current_filename[UNZ_MAXFILENAMEINZIP+1]; - int err = UNZ_OK; - - if (file == NULL) - return UNZ_PARAMERROR; - if (strlen(filename) >= UNZ_MAXFILENAMEINZIP) - return UNZ_PARAMERROR; - s = (unz64_s*)file; - if (!s->current_file_ok) - return UNZ_END_OF_LIST_OF_FILE; - - /* Save the current state */ - num_file_saved = s->num_file; - pos_in_central_dir_saved = s->pos_in_central_dir; - cur_file_info_saved = s->cur_file_info; - cur_file_info_internal_saved = s->cur_file_info_internal; - - err = unzGoToFirstFile2(file, NULL, current_filename, sizeof(current_filename)-1, NULL, 0, NULL, 0); - - while (err == UNZ_OK) - { - if (filename_compare_func != NULL) - err = filename_compare_func(file, current_filename, filename); - else - err = strcmp(current_filename, filename); - if (err == 0) - return UNZ_OK; - err = unzGoToNextFile2(file, NULL, current_filename, sizeof(current_filename)-1, NULL, 0, NULL, 0); - } - - /* We failed, so restore the state of the 'current file' to where we were. */ - s->num_file = num_file_saved; - s->pos_in_central_dir = pos_in_central_dir_saved; - s->cur_file_info = cur_file_info_saved; - s->cur_file_info_internal = cur_file_info_internal_saved; - return err; -} - -extern int ZEXPORT unzGetFilePos(unzFile file, unz_file_pos *file_pos) -{ - unz64_file_pos file_pos64; - int err = unzGetFilePos64(file, &file_pos64); - if (err == UNZ_OK) - { - file_pos->pos_in_zip_directory = (uint32_t)file_pos64.pos_in_zip_directory; - file_pos->num_of_file = (uint32_t)file_pos64.num_of_file; - } - return err; -} - -extern int ZEXPORT unzGoToFilePos(unzFile file, unz_file_pos *file_pos) -{ - unz64_file_pos file_pos64; - if (file_pos == NULL) - return UNZ_PARAMERROR; - file_pos64.pos_in_zip_directory = file_pos->pos_in_zip_directory; - file_pos64.num_of_file = file_pos->num_of_file; - return unzGoToFilePos64(file, &file_pos64); -} - -extern int ZEXPORT unzGetFilePos64(unzFile file, unz64_file_pos *file_pos) -{ - unz64_s *s = NULL; - - if (file == NULL || file_pos == NULL) - return UNZ_PARAMERROR; - s = (unz64_s*)file; - if (!s->current_file_ok) - return UNZ_END_OF_LIST_OF_FILE; - - file_pos->pos_in_zip_directory = s->pos_in_central_dir; - file_pos->num_of_file = s->num_file; - return UNZ_OK; -} - -extern int ZEXPORT unzGoToFilePos64(unzFile file, const unz64_file_pos *file_pos) -{ - unz64_s *s = NULL; - int err = UNZ_OK; - - if (file == NULL || file_pos == NULL) - return UNZ_PARAMERROR; - s = (unz64_s*)file; - - /* Jump to the right spot */ - s->pos_in_central_dir = file_pos->pos_in_zip_directory; - s->num_file = file_pos->num_of_file; - - /* Set the current file */ - err = unzGetCurrentFileInfoInternal(file, &s->cur_file_info, &s->cur_file_info_internal, NULL, 0, NULL, 0, NULL, 0); - /* Return results */ - s->current_file_ok = (err == UNZ_OK); - return err; -} - -extern int32_t ZEXPORT unzGetOffset(unzFile file) -{ - uint64_t offset64 = 0; - - if (file == NULL) - return UNZ_PARAMERROR; - offset64 = unzGetOffset64(file); - return (int32_t)offset64; -} - -extern int64_t ZEXPORT unzGetOffset64(unzFile file) -{ - unz64_s *s = NULL; - - if (file == NULL) - return UNZ_PARAMERROR; - s = (unz64_s*)file; - if (!s->current_file_ok) - return 0; - if (s->gi.number_entry != 0 && s->gi.number_entry != UINT16_MAX) - { - if (s->num_file == s->gi.number_entry) - return 0; - } - return s->pos_in_central_dir; -} - -extern int ZEXPORT unzSetOffset(unzFile file, uint32_t pos) -{ - return unzSetOffset64(file, pos); -} - -extern int ZEXPORT unzSetOffset64(unzFile file, uint64_t pos) -{ - unz64_s *s = NULL; - int err = UNZ_OK; - - if (file == NULL) - return UNZ_PARAMERROR; - s = (unz64_s*)file; - s->pos_in_central_dir = pos; - s->num_file = s->gi.number_entry; /* hack */ - - err = unzGetCurrentFileInfoInternal(file, &s->cur_file_info, &s->cur_file_info_internal, NULL, 0, NULL, 0, NULL, 0); - - s->current_file_ok = (err == UNZ_OK); - return err; -} - -extern int32_t ZEXPORT unzTell(unzFile file) -{ - unz64_s *s = NULL; - if (file == NULL) - return UNZ_PARAMERROR; - s = (unz64_s*)file; - if (s->pfile_in_zip_read == NULL) - return UNZ_PARAMERROR; - return (int32_t)s->pfile_in_zip_read->stream.total_out; -} - -extern int64_t ZEXPORT unzTell64(unzFile file) -{ - unz64_s *s = NULL; - if (file == NULL) - return UNZ_PARAMERROR; - s = (unz64_s*)file; - if (s->pfile_in_zip_read == NULL) - return UNZ_PARAMERROR; - return s->pfile_in_zip_read->total_out_64; -} - -extern int ZEXPORT unzSeek(unzFile file, uint32_t offset, int origin) -{ - return unzSeek64(file, offset, origin); -} - -extern int ZEXPORT unzSeek64(unzFile file, uint64_t offset, int origin) -{ - unz64_s *s = NULL; - uint64_t stream_pos_begin = 0; - uint64_t stream_pos_end = 0; - uint64_t position = 0; - int is_within_buffer = 0; - - if (file == NULL) - return UNZ_PARAMERROR; - s = (unz64_s*)file; - - if (s->pfile_in_zip_read == NULL) - return UNZ_ERRNO; - if (s->pfile_in_zip_read->compression_method != 0) - return UNZ_ERRNO; - - if (origin == SEEK_SET) - position = offset; - else if (origin == SEEK_CUR) - position = s->pfile_in_zip_read->total_out_64 + offset; - else if (origin == SEEK_END) - position = s->cur_file_info.compressed_size + offset; - else - return UNZ_PARAMERROR; - - if (position > s->cur_file_info.compressed_size) - return UNZ_PARAMERROR; - - stream_pos_end = s->pfile_in_zip_read->pos_in_zipfile; - stream_pos_begin = stream_pos_end; - - if (stream_pos_begin > UNZ_BUFSIZE) - stream_pos_begin -= UNZ_BUFSIZE; - else - stream_pos_begin = 0; - - is_within_buffer = - (s->pfile_in_zip_read->stream.avail_in != 0) && - (s->pfile_in_zip_read->rest_read_compressed != 0 || s->cur_file_info.compressed_size < UNZ_BUFSIZE) && - (position >= stream_pos_begin && position < stream_pos_end); - - if (is_within_buffer) - { - s->pfile_in_zip_read->stream.next_in += position - s->pfile_in_zip_read->total_out_64; - s->pfile_in_zip_read->stream.avail_in = (uInt)(stream_pos_end - position); - } - else - { - s->pfile_in_zip_read->stream.avail_in = 0; - s->pfile_in_zip_read->stream.next_in = 0; - - s->pfile_in_zip_read->pos_in_zipfile = s->pfile_in_zip_read->offset_local_extrafield + position; - s->pfile_in_zip_read->rest_read_compressed = s->cur_file_info.compressed_size - position; - } - - s->pfile_in_zip_read->rest_read_uncompressed -= (position - s->pfile_in_zip_read->total_out_64); - s->pfile_in_zip_read->stream.total_out = (uint32_t)position; - s->pfile_in_zip_read->total_out_64 = position; - - return UNZ_OK; -} - -extern int ZEXPORT unzEndOfFile(unzFile file) -{ - unz64_s *s = NULL; - if (file == NULL) - return UNZ_PARAMERROR; - s = (unz64_s*)file; - if (s->pfile_in_zip_read == NULL) - return UNZ_PARAMERROR; - if (s->pfile_in_zip_read->rest_read_uncompressed == 0) - return 1; - return 0; -} diff --git a/Externals/minizip/unzip.h b/Externals/minizip/unzip.h index ea4c90a4dd..61cbd974e3 100644 --- a/Externals/minizip/unzip.h +++ b/Externals/minizip/unzip.h @@ -1,306 +1,13 @@ -/* unzip.h -- IO for uncompress .zip files using zlib - Version 1.1, February 14h, 2010 - part of the MiniZip project - - Copyright (C) 1998-2010 Gilles Vollant - http://www.winimage.com/zLibDll/minizip.html - Modifications of Unzip for Zip64 - Copyright (C) 2007-2008 Even Rouault - Modifications for Zip64 support on both zip and unzip - Copyright (C) 2009-2010 Mathias Svensson - http://result42.com +/* unzip.h -- Compatibility layer shim + part of the minizip-ng project This program is distributed under the terms of the same license as zlib. See the accompanying LICENSE file for the full text of the license. */ -#ifndef _UNZ_H -#define _UNZ_H - -#ifdef __cplusplus -extern "C" { -#endif - -#ifndef _ZLIB_H -#include "zlib.h" -#endif - -#ifndef _ZLIBIOAPI_H -#include "ioapi.h" -#endif +#ifndef MZ_COMPAT_UNZIP +#define MZ_COMPAT_UNZIP -#ifdef HAVE_BZIP2 -#include "bzlib.h" -#endif +#include "mz_compat.h" -#define Z_BZIP2ED 12 - -#if defined(STRICTUNZIP) || defined(STRICTZIPUNZIP) -/* like the STRICT of WIN32, we define a pointer that cannot be converted - from (void*) without cast */ -typedef struct TagunzFile__ { int unused; } unz_file__; -typedef unz_file__ *unzFile; -#else -typedef voidp unzFile; #endif - -#define UNZ_OK (0) -#define UNZ_END_OF_LIST_OF_FILE (-100) -#define UNZ_ERRNO (Z_ERRNO) -#define UNZ_EOF (0) -#define UNZ_PARAMERROR (-102) -#define UNZ_BADZIPFILE (-103) -#define UNZ_INTERNALERROR (-104) -#define UNZ_CRCERROR (-105) -#define UNZ_BADPASSWORD (-106) - -/* unz_global_info structure contain global data about the ZIPfile - These data comes from the end of central dir */ -typedef struct unz_global_info64_s -{ - uint64_t number_entry; /* total number of entries in the central dir on this disk */ - uint32_t number_disk_with_CD; /* number the the disk with central dir, used for spanning ZIP*/ - uint16_t size_comment; /* size of the global comment of the zipfile */ -} unz_global_info64; - -typedef struct unz_global_info_s -{ - uint32_t number_entry; /* total number of entries in the central dir on this disk */ - uint32_t number_disk_with_CD; /* number the the disk with central dir, used for spanning ZIP*/ - uint16_t size_comment; /* size of the global comment of the zipfile */ -} unz_global_info; - -/* unz_file_info contain information about a file in the zipfile */ -typedef struct unz_file_info64_s -{ - uint16_t version; /* version made by 2 bytes */ - uint16_t version_needed; /* version needed to extract 2 bytes */ - uint16_t flag; /* general purpose bit flag 2 bytes */ - uint16_t compression_method; /* compression method 2 bytes */ - uint32_t dos_date; /* last mod file date in Dos fmt 4 bytes */ - uint32_t crc; /* crc-32 4 bytes */ - uint64_t compressed_size; /* compressed size 8 bytes */ - uint64_t uncompressed_size; /* uncompressed size 8 bytes */ - uint16_t size_filename; /* filename length 2 bytes */ - uint16_t size_file_extra; /* extra field length 2 bytes */ - uint16_t size_file_comment; /* file comment length 2 bytes */ - - uint32_t disk_num_start; /* disk number start 4 bytes */ - uint16_t internal_fa; /* internal file attributes 2 bytes */ - uint32_t external_fa; /* external file attributes 4 bytes */ - - uint64_t disk_offset; - - uint16_t size_file_extra_internal; -} unz_file_info64; - -typedef struct unz_file_info_s -{ - uint16_t version; /* version made by 2 bytes */ - uint16_t version_needed; /* version needed to extract 2 bytes */ - uint16_t flag; /* general purpose bit flag 2 bytes */ - uint16_t compression_method; /* compression method 2 bytes */ - uint32_t dos_date; /* last mod file date in Dos fmt 4 bytes */ - uint32_t crc; /* crc-32 4 bytes */ - uint32_t compressed_size; /* compressed size 4 bytes */ - uint32_t uncompressed_size; /* uncompressed size 4 bytes */ - uint16_t size_filename; /* filename length 2 bytes */ - uint16_t size_file_extra; /* extra field length 2 bytes */ - uint16_t size_file_comment; /* file comment length 2 bytes */ - - uint16_t disk_num_start; /* disk number start 2 bytes */ - uint16_t internal_fa; /* internal file attributes 2 bytes */ - uint32_t external_fa; /* external file attributes 4 bytes */ - - uint64_t disk_offset; -} unz_file_info; - -/***************************************************************************/ -/* Opening and close a zip file */ - -extern unzFile ZEXPORT unzOpen(const char *path); -extern unzFile ZEXPORT unzOpen64(const void *path); -/* Open a Zip file. - - path should contain the full path (by example, on a Windows XP computer - "c:\\zlib\\zlib113.zip" or on an Unix computer "zlib/zlib113.zip". - return NULL if zipfile cannot be opened or doesn't exist - return unzFile handle if no error - - NOTE: The "64" function take a const void *pointer, because the path is just the value passed to the - open64_file_func callback. Under Windows, if UNICODE is defined, using fill_fopen64_filefunc, the path - is a pointer to a wide unicode string (LPCTSTR is LPCWSTR), so const char *does not describe the reality */ - -extern unzFile ZEXPORT unzOpen2(const char *path, zlib_filefunc_def *pzlib_filefunc_def); -/* Open a Zip file, like unzOpen, but provide a set of file low level API for read/write operations */ -extern unzFile ZEXPORT unzOpen2_64(const void *path, zlib_filefunc64_def *pzlib_filefunc_def); -/* Open a Zip file, like unz64Open, but provide a set of file low level API for read/write 64-bit operations */ - -extern int ZEXPORT unzClose(unzFile file); -/* Close a ZipFile opened with unzOpen. If there is files inside the .Zip opened with unzOpenCurrentFile, - these files MUST be closed with unzipCloseCurrentFile before call unzipClose. - - return UNZ_OK if there is no error */ - -extern int ZEXPORT unzGetGlobalInfo(unzFile file, unz_global_info *pglobal_info); -extern int ZEXPORT unzGetGlobalInfo64(unzFile file, unz_global_info64 *pglobal_info); -/* Write info about the ZipFile in the *pglobal_info structure. - - return UNZ_OK if no error */ - -extern int ZEXPORT unzGetGlobalComment(unzFile file, char *comment, uint16_t comment_size); -/* Get the global comment string of the ZipFile, in the comment buffer. - - uSizeBuf is the size of the szComment buffer. - return the number of byte copied or an error code <0 */ - -/***************************************************************************/ -/* Reading the content of the current zipfile, you can open it, read data from it, and close it - (you can close it before reading all the file) */ - -extern int ZEXPORT unzOpenCurrentFile(unzFile file); -/* Open for reading data the current file in the zipfile. - - return UNZ_OK if no error */ - -extern int ZEXPORT unzOpenCurrentFilePassword(unzFile file, const char *password); -/* Open for reading data the current file in the zipfile. - password is a crypting password - - return UNZ_OK if no error */ - -extern int ZEXPORT unzOpenCurrentFile2(unzFile file, int *method, int *level, int raw); -/* Same as unzOpenCurrentFile, but open for read raw the file (not uncompress) - if raw==1 *method will receive method of compression, *level will receive level of compression - - NOTE: you can set level parameter as NULL (if you did not want known level, - but you CANNOT set method parameter as NULL */ - -extern int ZEXPORT unzOpenCurrentFile3(unzFile file, int *method, int *level, int raw, const char *password); -/* Same as unzOpenCurrentFile, but takes extra parameter password for encrypted files */ - -extern int ZEXPORT unzReadCurrentFile(unzFile file, voidp buf, uint32_t len); -/* Read bytes from the current file (opened by unzOpenCurrentFile) - buf contain buffer where data must be copied - len the size of buf. - - return the number of byte copied if somes bytes are copied - return 0 if the end of file was reached - return <0 with error code if there is an error (UNZ_ERRNO for IO error, or zLib error for uncompress error) */ - -extern int ZEXPORT unzGetCurrentFileInfo(unzFile file, unz_file_info *pfile_info, char *filename, - uint16_t filename_size, void *extrafield, uint16_t extrafield_size, char *comment, uint16_t comment_size); -extern int ZEXPORT unzGetCurrentFileInfo64(unzFile file, unz_file_info64 *pfile_info, char *filename, - uint16_t filename_size, void *extrafield, uint16_t extrafield_size, char *comment, uint16_t comment_size); -/* Get Info about the current file - - pfile_info if != NULL, the *pfile_info structure will contain somes info about the current file - filename if != NULL, the file name string will be copied in filename - filename_size is the size of the filename buffer - extrafield if != NULL, the extra field information from the central header will be copied in to - extrafield_size is the size of the extraField buffer - comment if != NULL, the comment string of the file will be copied in to - comment_size is the size of the comment buffer */ - -extern int ZEXPORT unzGetLocalExtrafield(unzFile file, voidp buf, uint32_t len); -/* Read extra field from the current file (opened by unzOpenCurrentFile) - This is the local-header version of the extra field (sometimes, there is - more info in the local-header version than in the central-header) - - if buf == NULL, it return the size of the local extra field - if buf != NULL, len is the size of the buffer, the extra header is copied in buf. - - return number of bytes copied in buf, or (if <0) the error code */ - -extern int ZEXPORT unzCloseCurrentFile(unzFile file); -/* Close the file in zip opened with unzOpenCurrentFile - - return UNZ_CRCERROR if all the file was read but the CRC is not good */ - -/***************************************************************************/ -/* Browse the directory of the zipfile */ - -typedef int (*unzFileNameComparer)(unzFile file, const char *filename1, const char *filename2); -typedef int (*unzIteratorFunction)(unzFile file); -typedef int (*unzIteratorFunction2)(unzFile file, unz_file_info64 *pfile_info, char *filename, - uint16_t filename_size, void *extrafield, uint16_t extrafield_size, char *comment, uint16_t comment_size); - -extern int ZEXPORT unzGoToFirstFile(unzFile file); -/* Set the current file of the zipfile to the first file. - - return UNZ_OK if no error */ - -extern int ZEXPORT unzGoToFirstFile2(unzFile file, unz_file_info64 *pfile_info, char *filename, - uint16_t filename_size, void *extrafield, uint16_t extrafield_size, char *comment, uint16_t comment_size); -/* Set the current file of the zipfile to the first file and retrieves the current info on success. - Not as seek intensive as unzGoToFirstFile + unzGetCurrentFileInfo. - - return UNZ_OK if no error */ - -extern int ZEXPORT unzGoToNextFile(unzFile file); -/* Set the current file of the zipfile to the next file. - - return UNZ_OK if no error - return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest */ - -extern int ZEXPORT unzGoToNextFile2(unzFile file, unz_file_info64 *pfile_info, char *filename, - uint16_t filename_size, void *extrafield, uint16_t extrafield_size, char *comment, uint16_t comment_size); -/* Set the current file of the zipfile to the next file and retrieves the current - info on success. Does less seeking around than unzGotoNextFile + unzGetCurrentFileInfo. - - return UNZ_OK if no error - return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest */ - -extern int ZEXPORT unzLocateFile(unzFile file, const char *filename, unzFileNameComparer filename_compare_func); -/* Try locate the file szFileName in the zipfile. For custom filename comparison pass in comparison function. - - return UNZ_OK if the file is found (it becomes the current file) - return UNZ_END_OF_LIST_OF_FILE if the file is not found */ - -/***************************************************************************/ -/* Raw access to zip file */ - -typedef struct unz_file_pos_s -{ - uint32_t pos_in_zip_directory; /* offset in zip file directory */ - uint32_t num_of_file; /* # of file */ -} unz_file_pos; - -extern int ZEXPORT unzGetFilePos(unzFile file, unz_file_pos *file_pos); -extern int ZEXPORT unzGoToFilePos(unzFile file, unz_file_pos *file_pos); - -typedef struct unz64_file_pos_s -{ - uint64_t pos_in_zip_directory; /* offset in zip file directory */ - uint64_t num_of_file; /* # of file */ -} unz64_file_pos; - -extern int ZEXPORT unzGetFilePos64(unzFile file, unz64_file_pos *file_pos); -extern int ZEXPORT unzGoToFilePos64(unzFile file, const unz64_file_pos *file_pos); - -extern int32_t ZEXPORT unzGetOffset(unzFile file); -extern int64_t ZEXPORT unzGetOffset64(unzFile file); -/* Get the current file offset */ - -extern int ZEXPORT unzSetOffset(unzFile file, uint32_t pos); -extern int ZEXPORT unzSetOffset64(unzFile file, uint64_t pos); -/* Set the current file offset */ - -extern int32_t ZEXPORT unzTell(unzFile file); -extern int64_t ZEXPORT unzTell64(unzFile file); -/* return current position in uncompressed data */ - -extern int ZEXPORT unzSeek(unzFile file, uint32_t offset, int origin); -extern int ZEXPORT unzSeek64(unzFile file, uint64_t offset, int origin); -/* Seek within the uncompressed data if compression method is storage */ - -extern int ZEXPORT unzEndOfFile(unzFile file); -/* return 1 if the end of file was reached, 0 elsewhere */ - -/***************************************************************************/ - -#ifdef __cplusplus -} -#endif - -#endif /* _UNZ_H */ diff --git a/Externals/minizip/zip.h b/Externals/minizip/zip.h new file mode 100644 index 0000000000..cf38ac91a0 --- /dev/null +++ b/Externals/minizip/zip.h @@ -0,0 +1,13 @@ +/* zip.h -- Compatibility layer shim + part of the minizip-ng project + + This program is distributed under the terms of the same license as zlib. + See the accompanying LICENSE file for the full text of the license. +*/ + +#ifndef MZ_COMPAT_ZIP +#define MZ_COMPAT_ZIP + +#include "mz_compat.h" + +#endif |