DolphinQt / InputCommon - add DSU string validator to avoid crashes, limited backwards compatibility support

1 files changed, 23 insertions, 0 deletions

diff --git a/Source/Core/DolphinQt/Config/ControllerInterface/ServerStringValidator.cpp b/Source/Core/DolphinQt/Config/ControllerInterface/ServerStringValidator.cpp
new file mode 100644
index 0000000000..1ab0935b53
--- /dev/null
+++ b/Source/Core/DolphinQt/Config/ControllerInterface/ServerStringValidator.cpp
@@ -0,0 +1,23 @@
+// Copyright 2020 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#include "DolphinQt/Config/ControllerInterface/ServerStringValidator.h"
+
+ServerStringValidator::ServerStringValidator(QObject* parent) : QValidator(parent)
+{
+}
+
+QValidator::State ServerStringValidator::validate(QString& input, int& pos) const
+{
+  if (input.isEmpty())
+    return Invalid;
+
+  if (input.contains(QStringLiteral(":")))
+    return Invalid;
+
+  if (input.contains(QStringLiteral(";")))
+    return Invalid;
+
+  return Acceptable;
+}