CLI: Restore the original codepage on windows

* Fixes #11465

Author: droidmonkey

src/cli/Utils.cpp

@@ -43,6 +43,11 @@ namespace Utils
     QTextStream STDIN;
     QTextStream DEVNULL;
 
+#ifdef Q_OS_WIN
+    UINT origCodePage;
+    UINT origOutputCodePage;
+#endif
+
     void setDefaultTextStreams()
     {
         auto fd = new QFile();
@@ -66,13 +71,24 @@ namespace Utils
         DEVNULL.setDevice(fd);
 
 #ifdef Q_OS_WIN
+        origCodePage = GetConsoleCP();
+        origOutputCodePage = GetConsoleOutputCP();
+
         // On Windows, we ask via keepassxc-cli.exe.manifest to use UTF-8,
         // but the console code-page isn't automatically changed to match.
         SetConsoleCP(GetACP());
         SetConsoleOutputCP(GetACP());
 #endif
     }
 
+    void resetTextStreams()
+    {
+#ifdef Q_OS_WIN
+        SetConsoleCP(origCodePage);
+        SetConsoleOutputCP(origOutputCodePage);
+#endif
+    }
+
     void setStdinEcho(bool enable = true)
     {
 #ifdef Q_OS_WIN

src/cli/Utils.h

@@ -39,6 +39,7 @@ namespace Utils
     static const QStringList EntryFieldNames(QStringList() << UuidFieldName << TagsFieldName);
 
     void setDefaultTextStreams();
+    void resetTextStreams();
 
     void setStdinEcho(bool enable);
     bool loadFileKey(const QString& path, QSharedPointer<FileKey>& fileKey);

src/cli/keepassxc-cli.cpp

@@ -181,6 +181,8 @@ int main(int argc, char** argv)
 
     QCoreApplication app(argc, argv);
     QCoreApplication::setApplicationVersion(KEEPASSXC_VERSION);
+    // Cleanup code pages after cli exits
+    QObject::connect(&app, &QCoreApplication::destroyed, &app, [] { Utils::resetTextStreams(); });
 
     Bootstrap::bootstrap(config()->get(Config::GUI_Language).toString());
     Utils::setDefaultTextStreams();
@@ -218,7 +220,9 @@ int main(int argc, char** argv)
             // Switch to parser.showVersion() when available (QT 5.4).
             out << KEEPASSXC_VERSION << Qt::endl;
             return EXIT_SUCCESS;
-        } else if (parser.isSet(debugInfoOption)) {
+        }
+
+        if (parser.isSet(debugInfoOption)) {
             QString debugInfo = Tools::debugInfo().append("\n").append(Crypto::debugInfo());
             out << debugInfo << Qt::endl;
             return EXIT_SUCCESS;

src/main.cpp

@@ -174,6 +174,8 @@ int main(int argc, char** argv)
         return EXIT_FAILURE;
     }
 
+    Utils::setDefaultTextStreams();
+
     // Apply the configured theme before creating any GUI elements
     app.applyTheme();
 
@@ -192,9 +194,6 @@ int main(int argc, char** argv)
     mainWindow.setAllowScreenCapture(parser.isSet(allowScreenCaptureOption));
 
     const bool pwstdin = parser.isSet(pwstdinOption);
-    if (!fileNames.isEmpty() && pwstdin) {
-        Utils::setDefaultTextStreams();
-    }
     for (const QString& filename : fileNames) {
         QString password;
         if (pwstdin) {
@@ -228,5 +227,7 @@ int main(int argc, char** argv)
     __lsan_disable();
 #endif
 
+    Utils::resetTextStreams();
+
     return exitCode;
 }