--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/plugins/win/PluginPackageWin.cpp Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,342 @@
+/*
+ * Copyright (C) 2006, 2008 Apple Inc. All rights reserved.
+ * Copyright (C) 2008 Collabora, Ltd. All rights reserved.
+ * Copyright (C) 2009 Torch Mobile, Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+#include "config.h"
+#include "PluginPackage.h"
+
+#include "MIMETypeRegistry.h"
+#include "PluginDatabase.h"
+#include "PluginDebug.h"
+#include "Timer.h"
+#include "npruntime_impl.h"
+#include <string.h>
+#include <wtf/OwnArrayPtr.h>
+#include <wtf/text/CString.h>
+#include <shlwapi.h>
+
+namespace WebCore {
+
+static String getVersionInfo(const LPVOID versionInfoData, const String& info)
+{
+ LPVOID buffer;
+ UINT bufferLength;
+ String subInfo = "\\StringfileInfo\\040904E4\\" + info;
+ bool retval = VerQueryValueW(versionInfoData,
+ const_cast<UChar*>(subInfo.charactersWithNullTermination()),
+ &buffer, &bufferLength);
+ if (!retval || bufferLength == 0)
+ return String();
+
+ // Subtract 1 from the length; we don't want the trailing null character.
+ return String(reinterpret_cast<UChar*>(buffer), bufferLength - 1);
+}
+
+bool PluginPackage::isPluginBlacklisted()
+{
+ if (name() == "Citrix ICA Client") {
+ // The Citrix ICA Client plug-in requires a Mozilla-based browser; see <rdar://6418681>.
+ return true;
+ }
+
+ if (name() == "Silverlight Plug-In") {
+ // workaround for <rdar://5557379> Crash in Silverlight when opening microsoft.com.
+ // the latest 1.0 version of Silverlight does not reproduce this crash, so allow it
+ // and any newer versions
+ static const PlatformModuleVersion slPluginMinRequired(0x51BE0000, 0x00010000);
+
+ if (compareFileVersion(slPluginMinRequired) < 0)
+ return true;
+ } else if (fileName() == "npmozax.dll") {
+ // Bug 15217: Mozilla ActiveX control complains about missing xpcom_core.dll
+ return true;
+ } else if (name() == "Yahoo Application State Plugin") {
+ // https://bugs.webkit.org/show_bug.cgi?id=26860
+ // Bug in Yahoo Application State plug-in earlier than 1.0.0.6 leads to heap corruption.
+ static const PlatformModuleVersion yahooAppStatePluginMinRequired(0x00000006, 0x00010000);
+ if (compareFileVersion(yahooAppStatePluginMinRequired) < 0)
+ return true;
+ }
+
+ return false;
+}
+
+void PluginPackage::determineQuirks(const String& mimeType)
+{
+ if (mimeType == "application/x-shockwave-flash") {
+ static const PlatformModuleVersion flashTenVersion(0x00000000, 0x000a0000);
+
+ // Pre 10 Flash only requests windowless plugins if we return a mozilla user agent
+ if (compareFileVersion(flashTenVersion) < 0)
+ m_quirks.add(PluginQuirkWantsMozillaUserAgent);
+
+ m_quirks.add(PluginQuirkThrottleInvalidate);
+ m_quirks.add(PluginQuirkThrottleWMUserPlusOneMessages);
+ m_quirks.add(PluginQuirkFlashURLNotifyBug);
+ }
+
+ if (name().contains("Microsoft") && name().contains("Windows Media")) {
+ // The WMP plugin sets its size on the first NPP_SetWindow call and never updates its size, so
+ // call SetWindow when the plugin view has a correct size
+ m_quirks.add(PluginQuirkDeferFirstSetWindowCall);
+
+ // Windowless mode does not work at all with the WMP plugin so just remove that parameter
+ // and don't pass it to the plug-in.
+ m_quirks.add(PluginQuirkRemoveWindowlessVideoParam);
+
+ // WMP has a modal message loop that it enters whenever we call it or
+ // ask it to paint. This modal loop can deliver messages to other
+ // windows in WebKit at times when they are not expecting them (for
+ // example, delivering a WM_PAINT message during a layout), and these
+ // can cause crashes.
+ m_quirks.add(PluginQuirkHasModalMessageLoop);
+ }
+
+ if (name() == "VLC Multimedia Plugin" || name() == "VLC Multimedia Plug-in") {
+ // VLC hangs on NPP_Destroy if we call NPP_SetWindow with a null window handle
+ m_quirks.add(PluginQuirkDontSetNullWindowHandleOnDestroy);
+
+ // VLC 0.8.6d and 0.8.6e crash if multiple instances are created.
+ // <rdar://problem/5773070> tracks allowing multiple instances when this
+ // bug is fixed.
+ m_quirks.add(PluginQuirkDontAllowMultipleInstances);
+ }
+
+ // The DivX plugin sets its size on the first NPP_SetWindow call and never updates its size, so
+ // call SetWindow when the plugin view has a correct size
+ if (mimeType == "video/divx")
+ m_quirks.add(PluginQuirkDeferFirstSetWindowCall);
+
+ // FIXME: This is a workaround for a problem in our NPRuntime bindings; if a plug-in creates an
+ // NPObject and passes it to a function it's not possible to see what root object that NPObject belongs to.
+ // Thus, we don't know that the object should be invalidated when the plug-in instance goes away.
+ // See <rdar://problem/5487742>.
+ if (mimeType == "application/x-silverlight")
+ m_quirks.add(PluginQuirkDontUnloadPlugin);
+
+ if (MIMETypeRegistry::isJavaAppletMIMEType(mimeType)) {
+ // Because a single process cannot create multiple VMs, and we cannot reliably unload a
+ // Java VM, we cannot unload the Java plugin, or we'll lose reference to our only VM
+ m_quirks.add(PluginQuirkDontUnloadPlugin);
+
+ // Setting the window region to an empty region causes bad scrolling repaint problems
+ // with the Java plug-in.
+ m_quirks.add(PluginQuirkDontClipToZeroRectWhenScrolling);
+ }
+
+ if (mimeType == "audio/x-pn-realaudio-plugin") {
+ // Prevent the Real plugin from calling the Window Proc recursively, causing the stack to overflow.
+ m_quirks.add(PluginQuirkDontCallWndProcForSameMessageRecursively);
+
+ static const PlatformModuleVersion lastKnownUnloadableRealPlayerVersion(0x000B0B24, 0x00060000);
+
+ // Unloading RealPlayer versions newer than 10.5 can cause a hang; see rdar://5669317.
+ // FIXME: Resume unloading when this bug in the RealPlayer Plug-In is fixed (rdar://5713147)
+ if (compareFileVersion(lastKnownUnloadableRealPlayerVersion) > 0)
+ m_quirks.add(PluginQuirkDontUnloadPlugin);
+ }
+}
+
+bool PluginPackage::fetchInfo()
+{
+ DWORD versionInfoSize, zeroHandle;
+ versionInfoSize = GetFileVersionInfoSizeW(const_cast<UChar*>(m_path.charactersWithNullTermination()), &zeroHandle);
+ if (versionInfoSize == 0)
+ return false;
+
+ OwnArrayPtr<char> versionInfoData(new char[versionInfoSize]);
+
+ if (!GetFileVersionInfoW(const_cast<UChar*>(m_path.charactersWithNullTermination()),
+ 0, versionInfoSize, versionInfoData.get()))
+ return false;
+
+ m_name = getVersionInfo(versionInfoData.get(), "ProductName");
+ m_description = getVersionInfo(versionInfoData.get(), "FileDescription");
+ if (m_name.isNull() || m_description.isNull())
+ return false;
+
+ VS_FIXEDFILEINFO* info;
+ UINT infoSize;
+ if (!VerQueryValue(versionInfoData.get(), TEXT("\\"), (LPVOID*) &info, &infoSize) || infoSize < sizeof(VS_FIXEDFILEINFO))
+ return false;
+ m_moduleVersion.leastSig = info->dwFileVersionLS;
+ m_moduleVersion.mostSig = info->dwFileVersionMS;
+
+ if (isPluginBlacklisted())
+ return false;
+
+ Vector<String> types;
+ getVersionInfo(versionInfoData.get(), "MIMEType").split('|', types);
+ Vector<String> extensionLists;
+ getVersionInfo(versionInfoData.get(), "FileExtents").split('|', extensionLists);
+ Vector<String> descriptions;
+ getVersionInfo(versionInfoData.get(), "FileOpenName").split('|', descriptions);
+
+ for (unsigned i = 0; i < types.size(); i++) {
+ String type = types[i].lower();
+ String description = i < descriptions.size() ? descriptions[i] : "";
+ String extensionList = i < extensionLists.size() ? extensionLists[i] : "";
+
+ Vector<String> extensionsVector;
+ extensionList.split(',', extensionsVector);
+
+ // Get rid of the extension list that may be at the end of the description string.
+ int pos = description.find("(*");
+ if (pos != -1) {
+ // There might be a space that we need to get rid of.
+ if (pos > 1 && description[pos - 1] == ' ')
+ pos--;
+ description = description.left(pos);
+ }
+
+ // Determine the quirks for the MIME types this plug-in supports
+ determineQuirks(type);
+
+ m_mimeToExtensions.add(type, extensionsVector);
+ m_mimeToDescriptions.add(type, description);
+ }
+
+ return true;
+}
+
+bool PluginPackage::load()
+{
+ if (m_freeLibraryTimer.isActive()) {
+ ASSERT(m_module);
+ m_freeLibraryTimer.stop();
+ } else if (m_isLoaded) {
+ if (m_quirks.contains(PluginQuirkDontAllowMultipleInstances))
+ return false;
+ m_loadCount++;
+ return true;
+ } else {
+#if OS(WINCE)
+ m_module = ::LoadLibraryW(m_path.charactersWithNullTermination());
+#else
+ WCHAR currentPath[MAX_PATH];
+
+ if (!::GetCurrentDirectoryW(MAX_PATH, currentPath))
+ return false;
+
+ String path = m_path.substring(0, m_path.reverseFind('\\'));
+
+ if (!::SetCurrentDirectoryW(path.charactersWithNullTermination()))
+ return false;
+
+ // Load the library
+ m_module = ::LoadLibraryExW(m_path.charactersWithNullTermination(), 0, LOAD_WITH_ALTERED_SEARCH_PATH);
+
+ if (!::SetCurrentDirectoryW(currentPath)) {
+ if (m_module)
+ ::FreeLibrary(m_module);
+ return false;
+ }
+#endif
+ }
+
+ if (!m_module)
+ return false;
+
+ m_isLoaded = true;
+
+ NP_GetEntryPointsFuncPtr NP_GetEntryPoints = 0;
+ NP_InitializeFuncPtr NP_Initialize = 0;
+ NPError npErr;
+
+#if OS(WINCE)
+ NP_Initialize = (NP_InitializeFuncPtr)GetProcAddress(m_module, L"NP_Initialize");
+ NP_GetEntryPoints = (NP_GetEntryPointsFuncPtr)GetProcAddress(m_module, L"NP_GetEntryPoints");
+ m_NPP_Shutdown = (NPP_ShutdownProcPtr)GetProcAddress(m_module, L"NP_Shutdown");
+#else
+ NP_Initialize = (NP_InitializeFuncPtr)GetProcAddress(m_module, "NP_Initialize");
+ NP_GetEntryPoints = (NP_GetEntryPointsFuncPtr)GetProcAddress(m_module, "NP_GetEntryPoints");
+ m_NPP_Shutdown = (NPP_ShutdownProcPtr)GetProcAddress(m_module, "NP_Shutdown");
+#endif
+
+ if (!NP_Initialize || !NP_GetEntryPoints || !m_NPP_Shutdown)
+ goto abort;
+
+ memset(&m_pluginFuncs, 0, sizeof(m_pluginFuncs));
+ m_pluginFuncs.size = sizeof(m_pluginFuncs);
+
+ npErr = NP_GetEntryPoints(&m_pluginFuncs);
+ LOG_NPERROR(npErr);
+ if (npErr != NPERR_NO_ERROR)
+ goto abort;
+
+ initializeBrowserFuncs();
+
+ npErr = NP_Initialize(&m_browserFuncs);
+ LOG_NPERROR(npErr);
+
+ if (npErr != NPERR_NO_ERROR)
+ goto abort;
+
+ m_loadCount++;
+ return true;
+
+abort:
+ unloadWithoutShutdown();
+ return false;
+}
+
+unsigned PluginPackage::hash() const
+{
+ const unsigned hashCodes[] = {
+ m_name.impl()->hash(),
+ m_description.impl()->hash(),
+ m_mimeToExtensions.size()
+ };
+
+ return StringImpl::computeHash(reinterpret_cast<const UChar*>(hashCodes), sizeof(hashCodes) / sizeof(UChar));
+}
+
+bool PluginPackage::equal(const PluginPackage& a, const PluginPackage& b)
+{
+ if (a.m_name != b.m_name)
+ return false;
+
+ if (a.m_description != b.m_description)
+ return false;
+
+ if (a.m_mimeToExtensions.size() != b.m_mimeToExtensions.size())
+ return false;
+
+ MIMEToExtensionsMap::const_iterator::Keys end = a.m_mimeToExtensions.end().keys();
+ for (MIMEToExtensionsMap::const_iterator::Keys it = a.m_mimeToExtensions.begin().keys(); it != end; ++it) {
+ if (!b.m_mimeToExtensions.contains(*it))
+ return false;
+ }
+
+ return true;
+}
+
+uint16_t PluginPackage::NPVersion() const
+{
+ return NP_VERSION_MINOR;
+}
+}