diff options
Diffstat (limited to 'src/corelib/plugin/qlibrary.cpp')
| -rw-r--r-- | src/corelib/plugin/qlibrary.cpp | 215 |
1 files changed, 65 insertions, 150 deletions
diff --git a/src/corelib/plugin/qlibrary.cpp b/src/corelib/plugin/qlibrary.cpp index 45515f32e1..580dc37bd2 100644 --- a/src/corelib/plugin/qlibrary.cpp +++ b/src/corelib/plugin/qlibrary.cpp @@ -50,8 +50,6 @@ #include <qfileinfo.h> #include <qmutex.h> #include <qmap.h> -#include <qsettings.h> -#include <qdatetime.h> #include <private/qcoreapplication_p.h> #ifdef Q_OS_MAC # include <private/qcore_mac_p.h> @@ -250,7 +248,7 @@ static int qt_tokenize(const char *s, ulong s_len, ulong *advance, /* returns true if the string s was correctly parsed, false otherwise. */ -static bool qt_parse_pattern(const char *s, uint *version, bool *debug, QByteArray *key) +static bool qt_parse_pattern(const char *s, uint *version, bool *debug) { bool ret = true; @@ -282,10 +280,6 @@ static bool qt_parse_pattern(const char *s, uint *version, bool *debug, QByteArr } } else if (qstrncmp("debug", pinfo.results[0], pinfo.lengths[0]) == 0) { *debug = qstrncmp("true", pinfo.results[1], pinfo.lengths[1]) == 0; - } else if (qstrncmp("buildkey", pinfo.results[0], - pinfo.lengths[0]) == 0){ - // save buildkey - *key = QByteArray(pinfo.results[1], pinfo.lengths[1]); } } while (parse == 1 && parselen > 0); @@ -337,11 +331,11 @@ static long qt_find_pattern(const char *s, ulong s_len, we can get the verification data without have to actually load the library. This lets us detect mismatches more safely. - Returns false if version/key information is not present, or if the + Returns false if version information is not present, or if the information could not be read. - Returns true if version/key information is present and successfully read. + Returns true if version information is present and successfully read. */ -static bool qt_unix_query(const QString &library, uint *version, bool *debug, QByteArray *key, QLibraryPrivate *lib = 0) +static bool qt_unix_query(const QString &library, uint *version, bool *debug, QLibraryPrivate *lib = 0) { QFile file(library); if (!file.open(QIODevice::ReadOnly)) { @@ -396,7 +390,7 @@ static bool qt_unix_query(const QString &library, uint *version, bool *debug, QB #endif // defined(Q_OF_ELF) && defined(Q_CC_GNU) bool ret = false; if (pos >= 0) - ret = qt_parse_pattern(filedata + pos, version, debug, key); + ret = qt_parse_pattern(filedata + pos, version, debug); if (!ret && lib) lib->errorString = QLibrary::tr("Plugin verification data mismatch in '%1'").arg(library); @@ -636,7 +630,7 @@ typedef const char * __stdcall (*QtPluginQueryVerificationDataFunction)(); typedef const char * (*QtPluginQueryVerificationDataFunction)(); #endif -bool qt_get_verificationdata(QtPluginQueryVerificationDataFunction pfn, uint *qt_version, bool *debug, QByteArray *key, bool *exceptionThrown) +bool qt_get_verificationdata(QtPluginQueryVerificationDataFunction pfn, uint *qt_version, bool *debug, bool *exceptionThrown) { *exceptionThrown = false; const char *szData = 0; @@ -649,10 +643,10 @@ bool qt_get_verificationdata(QtPluginQueryVerificationDataFunction pfn, uint *qt #else szData = pfn(); #endif - return qt_parse_pattern(szData, qt_version, debug, key); + return qt_parse_pattern(szData, qt_version, debug); } -bool QLibraryPrivate::isPlugin(QSettings *settings) +bool QLibraryPrivate::isPlugin() { errorString.clear(); if (pluginState != MightBeAPlugin) @@ -660,7 +654,6 @@ bool QLibraryPrivate::isPlugin(QSettings *settings) #ifndef QT_NO_PLUGIN_CHECK bool debug = !QLIBRARY_AS_DEBUG; - QByteArray key; bool success = false; #if defined(Q_OS_UNIX) && !defined(Q_OS_MAC) @@ -677,141 +670,88 @@ bool QLibraryPrivate::isPlugin(QSettings *settings) } #endif - QFileInfo fileinfo(fileName); - -#ifndef QT_NO_DATESTRING - lastModified = fileinfo.lastModified().toString(Qt::ISODate); -#endif - QString regkey = QString::fromLatin1("Qt Plugin Cache %1.%2.%3/%4") - .arg((QT_VERSION & 0xff0000) >> 16) - .arg((QT_VERSION & 0xff00) >> 8) - .arg(QLIBRARY_AS_DEBUG ? QLatin1String("debug") : QLatin1String("false")) - .arg(fileName); -#ifdef Q_WS_MAC - // On Mac, add the application arch to the reg key in order to - // cache plugin information separately for each arch. This prevents - // Qt from wrongly caching plugin load failures when the archs - // don't match. -#if defined(__x86_64__) - regkey += QLatin1String("-x86_64"); -#elif defined(__i386__) - regkey += QLatin1String("-i386"); -#elif defined(__ppc64__) - regkey += QLatin1String("-ppc64"); -#elif defined(__ppc__) - regkey += QLatin1String("-ppc"); -#endif -#endif // Q_WS_MAC - - QStringList reg; -#ifndef QT_NO_SETTINGS - if (!settings) { - settings = QCoreApplicationPrivate::trolltechConf(); - } - reg = settings->value(regkey).toStringList(); -#endif - if (reg.count() == 4 && lastModified == reg.at(3)) { - qt_version = reg.at(0).toUInt(0, 16); - debug = bool(reg.at(1).toInt()); - key = reg.at(2).toLatin1(); - success = qt_version != 0; - } else { #if defined(Q_OS_UNIX) && !defined(Q_OS_MAC) && !defined(Q_OS_SYMBIAN) - if (!pHnd) { - // use unix shortcut to avoid loading the library - success = qt_unix_query(fileName, &qt_version, &debug, &key, this); - } else + if (!pHnd) { + // use unix shortcut to avoid loading the library + success = qt_unix_query(fileName, &qt_version, &debug, this); + } else #endif - { - bool retryLoadLibrary = false; // Only used on Windows with MS compiler.(false in other cases) - do { - bool temporary_load = false; + { + bool retryLoadLibrary = false; // Only used on Windows with MS compiler.(false in other cases) + do { + bool temporary_load = false; #ifdef Q_OS_WIN - HMODULE hTempModule = 0; + HMODULE hTempModule = 0; #endif - if (!pHnd) { + if (!pHnd) { #ifdef Q_OS_WIN - DWORD dwFlags = (retryLoadLibrary) ? 0: DONT_RESOLVE_DLL_REFERENCES; - //avoid 'Bad Image' message box - UINT oldmode = SetErrorMode(SEM_FAILCRITICALERRORS|SEM_NOOPENFILEERRORBOX); - hTempModule = ::LoadLibraryEx((wchar_t*)QDir::toNativeSeparators(fileName).utf16(), 0, dwFlags); - SetErrorMode(oldmode); + DWORD dwFlags = (retryLoadLibrary) ? 0: DONT_RESOLVE_DLL_REFERENCES; + //avoid 'Bad Image' message box + UINT oldmode = SetErrorMode(SEM_FAILCRITICALERRORS|SEM_NOOPENFILEERRORBOX); + hTempModule = ::LoadLibraryEx((wchar_t*)QDir::toNativeSeparators(fileName).utf16(), 0, dwFlags); + SetErrorMode(oldmode); #else # if defined(Q_OS_SYMBIAN) - //Guard against accidentally trying to load non-plugin libraries by making sure the stub exists - if (fileinfo.exists()) + //Guard against accidentally trying to load non-plugin libraries by making sure the stub exists + if (fileinfo.exists()) # endif - temporary_load = load_sys(); + temporary_load = load_sys(); #endif - } + } #ifdef Q_OS_WIN - QtPluginQueryVerificationDataFunction qtPluginQueryVerificationDataFunction = hTempModule ? (QtPluginQueryVerificationDataFunction) + QtPluginQueryVerificationDataFunction qtPluginQueryVerificationDataFunction = hTempModule ? (QtPluginQueryVerificationDataFunction) #ifdef Q_OS_WINCE - ::GetProcAddress(hTempModule, L"qt_plugin_query_verification_data") + ::GetProcAddress(hTempModule, L"qt_plugin_query_verification_data") #else - ::GetProcAddress(hTempModule, "qt_plugin_query_verification_data") + ::GetProcAddress(hTempModule, "qt_plugin_query_verification_data") #endif - : (QtPluginQueryVerificationDataFunction) resolve("qt_plugin_query_verification_data"); + : (QtPluginQueryVerificationDataFunction) resolve("qt_plugin_query_verification_data"); #else - QtPluginQueryVerificationDataFunction qtPluginQueryVerificationDataFunction = NULL; + QtPluginQueryVerificationDataFunction qtPluginQueryVerificationDataFunction = NULL; # if defined(Q_OS_SYMBIAN) - if (temporary_load) { - qtPluginQueryVerificationDataFunction = (QtPluginQueryVerificationDataFunction) resolve("qt_plugin_query_verification_data"); - // If resolving with function name failed (i.e. not STDDLL), try resolving using known ordinal - if (!qtPluginQueryVerificationDataFunction) - qtPluginQueryVerificationDataFunction = (QtPluginQueryVerificationDataFunction) resolve("1"); - } -# else + if (temporary_load) { qtPluginQueryVerificationDataFunction = (QtPluginQueryVerificationDataFunction) resolve("qt_plugin_query_verification_data"); + // If resolving with function name failed (i.e. not STDDLL), try resolving using known ordinal + if (!qtPluginQueryVerificationDataFunction) + qtPluginQueryVerificationDataFunction = (QtPluginQueryVerificationDataFunction) resolve("1"); + } +# else + qtPluginQueryVerificationDataFunction = (QtPluginQueryVerificationDataFunction) resolve("qt_plugin_query_verification_data"); # endif #endif - bool exceptionThrown = false; - bool ret = qt_get_verificationdata(qtPluginQueryVerificationDataFunction, - &qt_version, &debug, &key, &exceptionThrown); - if (!exceptionThrown) { - if (!ret) { - qt_version = 0; - key = "unknown"; - if (temporary_load) - unload_sys(); - } else { - success = true; - } - retryLoadLibrary = false; + bool exceptionThrown = false; + bool ret = qt_get_verificationdata(qtPluginQueryVerificationDataFunction, + &qt_version, &debug, &exceptionThrown); + if (!exceptionThrown) { + if (!ret) { + qt_version = 0; + if (temporary_load) + unload_sys(); + } else { + success = true; } + retryLoadLibrary = false; + } #ifdef QT_USE_MS_STD_EXCEPTION - else { - // An exception was thrown when calling qt_plugin_query_verification_data(). - // This usually happens when plugin is compiled with the /clr compiler flag, - // & will only work if the dependencies are loaded & DLLMain() is called. - // LoadLibrary() will do this, try once with this & if it fails dont load. - retryLoadLibrary = !retryLoadLibrary; - } + else { + // An exception was thrown when calling qt_plugin_query_verification_data(). + // This usually happens when plugin is compiled with the /clr compiler flag, + // & will only work if the dependencies are loaded & DLLMain() is called. + // LoadLibrary() will do this, try once with this & if it fails dont load. + retryLoadLibrary = !retryLoadLibrary; + } #endif #ifdef Q_OS_WIN - if (hTempModule) { - BOOL ok = ::FreeLibrary(hTempModule); - if (ok) { - hTempModule = 0; - } - + if (hTempModule) { + BOOL ok = ::FreeLibrary(hTempModule); + if (ok) { + hTempModule = 0; } -#endif - } while(retryLoadLibrary); // Will be 'false' in all cases other than when an - // exception is thrown(will happen only when using a MS compiler) - } - - // Qt 4.5 compatibility: stl doesn't affect binary compatibility - key.replace(" no-stl", ""); -#ifndef QT_NO_SETTINGS - QStringList queried; - queried << QString::number(qt_version,16) - << QString::number((int)debug) - << QLatin1String(key) - << lastModified; - settings->setValue(regkey, queried); + } #endif + } while (retryLoadLibrary); // Will be 'false' in all cases other than when an + // exception is thrown(will happen only when using a MS compiler) } if (!success) { @@ -840,31 +780,6 @@ bool QLibraryPrivate::isPlugin(QSettings *settings) .arg((qt_version&0xff00) >> 8) .arg(qt_version&0xff) .arg(debug ? QLatin1String("debug") : QLatin1String("release")); - } else if (key != QT_BUILD_KEY - // we may have some compatibility keys, try them too: -#ifdef QT_BUILD_KEY_COMPAT - && key != QT_BUILD_KEY_COMPAT -#endif -#ifdef QT_BUILD_KEY_COMPAT2 - && key != QT_BUILD_KEY_COMPAT2 -#endif -#ifdef QT_BUILD_KEY_COMPAT3 - && key != QT_BUILD_KEY_COMPAT3 -#endif - ) { - if (qt_debug_component()) { - qWarning("In %s:\n" - " Plugin uses incompatible Qt library\n" - " expected build key \"%s\", got \"%s\"", - (const char*) QFile::encodeName(fileName), - QT_BUILD_KEY, - key.isEmpty() ? "<null>" : (const char *) key); - } - errorString = QLibrary::tr("The plugin '%1' uses incompatible Qt library." - " Expected build key \"%2\", got \"%3\"") - .arg(fileName) - .arg(QLatin1String(QT_BUILD_KEY)) - .arg(key.isEmpty() ? QLatin1String("<null>") : QLatin1String((const char *) key)); #ifndef QT_NO_DEBUG_PLUGIN_CHECK } else if(debug != QLIBRARY_AS_DEBUG) { //don't issue a qWarning since we will hopefully find a non-debug? --Sam |