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// SPDX-FileCopyrightText: 2014 Citra Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "common/scm_rev.h"
#include <fstream>
#include <string>
#include <fmt/format.h>
#define GIT_REV "@GIT_REV@"
#define GIT_BRANCH "@GIT_BRANCH@"
#define GIT_DESC "@GIT_DESC@"
#define BUILD_NAME "@REPO_NAME@"
#define BUILD_DATE "@BUILD_DATE@"
#define BUILD_FULLNAME "@BUILD_FULLNAME@"
#define BUILD_VERSION "@BUILD_VERSION@"
#define BUILD_ID "@BUILD_ID@"
#define TITLE_BAR_FORMAT_IDLE "@TITLE_BAR_FORMAT_IDLE@"
#define TITLE_BAR_FORMAT_RUNNING "@TITLE_BAR_FORMAT_RUNNING@"
namespace Common {
const char* g_scm_rev;
const char* g_scm_branch;
const char* g_scm_desc;
const char g_build_name[] = BUILD_NAME;
const char g_build_date[] = BUILD_DATE;
const char g_build_fullname[] = BUILD_FULLNAME;
const char g_build_version[] = BUILD_VERSION;
const char g_build_id[] = BUILD_ID;
const char g_title_bar_format_idle[] = TITLE_BAR_FORMAT_IDLE;
const char g_title_bar_format_running[] = TITLE_BAR_FORMAT_RUNNING;
/// Anonymizes SCM data
/// This is quite weak. But better than nothing.
class scm_encrypt {
std::string m_scm_rev, m_scm_branch, m_scm_desc;
public:
scm_encrypt() {
// Get a key that is easy to obtain when asking the person directly but (usually) hard to
// guess
std::string key;
#ifdef __linux__
if (!std::getline(std::ifstream("/proc/sys/kernel/hostname"), key))
key = "linux_error_key";
#else
// Not a good fallback, but better than nothing I guess?
key = g_build_date;
#endif
// Copy strings in place
m_scm_rev = GIT_REV;
m_scm_branch = GIT_BRANCH;
m_scm_desc = GIT_DESC;
// XOR each string with key
auto key_it = key.begin();
for (auto& string : {&m_scm_rev, &m_scm_branch, &m_scm_desc}) {
for (auto& c : *string) {
c ^= *key_it;
if (++key_it == key.end())
key_it = key.begin();
}
}
// Make each string human-readable
for (auto& string : {&m_scm_rev, &m_scm_branch, &m_scm_desc}) {
const std::string original = *string;
string->clear();
for (const auto c : original) {
string->append(fmt::format("{:x}", unsigned(c)));
}
string->pop_back();
}
// Set pointers
g_scm_rev = m_scm_rev.c_str();
g_scm_branch = m_scm_branch.c_str();
g_scm_desc = m_scm_desc.c_str();
}
} scm_encrypt_instance;
} // namespace Common
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