/**
* Obtains all of the information currently available for this plugin.
*/
nsresult nsPluginFile::GetPluginInfo(nsPluginInfo& info)
{
nsresult rv = NS_OK;
// clear out the info, except for the first field.
memset(&info, 0, sizeof(info));
// First open up resource we can use to get plugin info.
#ifndef __LP64__
// Try to open a resource fork.
nsAutoCloseResourceObject resourceObject(mPlugin);
bool resourceOpened = resourceObject.ResourceOpened();
#endif
// Try to get a bundle reference.
nsCAutoString path;
if (NS_FAILED(rv = mPlugin->GetNativePath(path)))
return rv;
CFBundleRef bundle = getPluginBundle(path.get());
// fill in full path
info.fFullPath = PL_strdup(path.get());
// fill in file name
nsCAutoString fileName;
if (NS_FAILED(rv = mPlugin->GetNativeLeafName(fileName)))
return rv;
info.fFileName = PL_strdup(fileName.get());
// Get fBundle
if (bundle)
info.fBundle = PR_TRUE;
// Get fName
if (bundle) {
CFTypeRef name = ::CFBundleGetValueForInfoDictionaryKey(bundle, CFSTR("WebPluginName"));
if (name && ::CFGetTypeID(name) == ::CFStringGetTypeID())
info.fName = CFStringRefToUTF8Buffer(static_cast<CFStringRef>(name));
}
#ifndef __LP64__
if (!info.fName && resourceOpened) {
// 'STR#', 126, 2 => plugin name.
info.fName = GetPluginString(126, 2);
}
#endif
// Get fDescription
if (bundle) {
CFTypeRef description = ::CFBundleGetValueForInfoDictionaryKey(bundle, CFSTR("WebPluginDescription"));
if (description && ::CFGetTypeID(description) == ::CFStringGetTypeID())
info.fDescription = CFStringRefToUTF8Buffer(static_cast<CFStringRef>(description));
}
#ifndef __LP64__
if (!info.fDescription && resourceOpened) {
// 'STR#', 126, 1 => plugin description.
info.fDescription = GetPluginString(126, 1);
}
#endif
// Get fVersion
if (bundle) {
// Look for the release version first
CFTypeRef version = ::CFBundleGetValueForInfoDictionaryKey(bundle, CFSTR("CFBundleShortVersionString"));
if (!version) // try the build version
version = ::CFBundleGetValueForInfoDictionaryKey(bundle, kCFBundleVersionKey);
if (version && ::CFGetTypeID(version) == ::CFStringGetTypeID())
info.fVersion = CFStringRefToUTF8Buffer(static_cast<CFStringRef>(version));
}
// The last thing we need to do is get MIME data
// fVariantCount, fMimeTypeArray, fExtensionArray, fMimeDescriptionArray
// First look for data in a bundle plist
if (bundle) {
ParsePlistPluginInfo(info, bundle);
::CFRelease(bundle);
if (info.fVariantCount > 0)
return NS_OK;
}
// It's possible that our plugin has 2 entry points that'll give us mime type
// info. Quicktime does this to get around the need of having admin rights to
// change mime info in the resource fork. We need to use this info instead of
// the resource. See bug 113464.
// Try to get data from NP_GetMIMEDescription
if (pLibrary) {
NP_GETMIMEDESCRIPTION pfnGetMimeDesc = (NP_GETMIMEDESCRIPTION)PR_FindFunctionSymbol(pLibrary, NP_GETMIMEDESCRIPTION_NAME);
if (pfnGetMimeDesc)
ParsePluginMimeDescription(pfnGetMimeDesc(), info);
if (info.fVariantCount)
return NS_OK;
}
// We'll fill this in using BP_GetSupportedMIMETypes and/or resource fork data
BPSupportedMIMETypes mi = {kBPSupportedMIMETypesStructVers_1, NULL, NULL};
// Try to get data from BP_GetSupportedMIMETypes
if (pLibrary) {
BP_GETSUPPORTEDMIMETYPES pfnMime = (BP_GETSUPPORTEDMIMETYPES)PR_FindFunctionSymbol(pLibrary, "BP_GetSupportedMIMETypes");
if (pfnMime && noErr == pfnMime(&mi, 0) && mi.typeStrings) {
info.fVariantCount = (**(short**)mi.typeStrings) / 2;
::HLock(mi.typeStrings);
if (mi.infoStrings) // it's possible some plugins have infoStrings missing
::HLock(mi.infoStrings);
}
}
#ifndef __LP64__
// Try to get data from the resource fork
if (!info.fVariantCount && resourceObject.ResourceOpened()) {
mi.typeStrings = ::Get1Resource('STR#', 128);
if (mi.typeStrings) {
info.fVariantCount = (**(short**)mi.typeStrings) / 2;
::DetachResource(mi.typeStrings);
::HLock(mi.typeStrings);
} else {
// Don't add this plugin because no mime types could be found
return NS_ERROR_FAILURE;
}
mi.infoStrings = ::Get1Resource('STR#', 127);
if (mi.infoStrings) {
::DetachResource(mi.infoStrings);
::HLock(mi.infoStrings);
}
}
#endif
// Fill in the info struct based on the data in the BPSupportedMIMETypes struct
int variantCount = info.fVariantCount;
info.fMimeTypeArray = static_cast<char**>(NS_Alloc(variantCount * sizeof(char*)));
if (!info.fMimeTypeArray)
return NS_ERROR_OUT_OF_MEMORY;
info.fExtensionArray = static_cast<char**>(NS_Alloc(variantCount * sizeof(char*)));
if (!info.fExtensionArray)
return NS_ERROR_OUT_OF_MEMORY;
if (mi.infoStrings) {
info.fMimeDescriptionArray = static_cast<char**>(NS_Alloc(variantCount * sizeof(char*)));
if (!info.fMimeDescriptionArray)
return NS_ERROR_OUT_OF_MEMORY;
}
short mimeIndex = 2;
short descriptionIndex = 2;
for (int i = 0; i < variantCount; i++) {
info.fMimeTypeArray[i] = GetNextPluginStringFromHandle(mi.typeStrings, &mimeIndex);
info.fExtensionArray[i] = GetNextPluginStringFromHandle(mi.typeStrings, &mimeIndex);
if (mi.infoStrings)
info.fMimeDescriptionArray[i] = GetNextPluginStringFromHandle(mi.infoStrings, &descriptionIndex);
}
::HUnlock(mi.typeStrings);
::DisposeHandle(mi.typeStrings);
if (mi.infoStrings) {
::HUnlock(mi.infoStrings);
::DisposeHandle(mi.infoStrings);
}
return NS_OK;
}
/**
* Obtains all of the information currently available for this plugin.
*/
nsresult nsPluginFile::GetPluginInfo(nsPluginInfo& info, PRLibrary **outLibrary)
{
*outLibrary = nullptr;
nsresult rv = NS_OK;
if (!IsCompatibleArch(mPlugin)) {
return NS_ERROR_FAILURE;
}
// clear out the info, except for the first field.
memset(&info, 0, sizeof(info));
// Try to get a bundle reference.
nsAutoCString path;
if (NS_FAILED(rv = mPlugin->GetNativePath(path)))
return rv;
CFBundleRef bundle = getPluginBundle(path.get());
// fill in full path
info.fFullPath = PL_strdup(path.get());
// fill in file name
nsAutoCString fileName;
if (NS_FAILED(rv = mPlugin->GetNativeLeafName(fileName)))
return rv;
info.fFileName = PL_strdup(fileName.get());
// Get fName
if (bundle) {
CFTypeRef name = ::CFBundleGetValueForInfoDictionaryKey(bundle, CFSTR("WebPluginName"));
if (name && ::CFGetTypeID(name) == ::CFStringGetTypeID())
info.fName = CFStringRefToUTF8Buffer(static_cast<CFStringRef>(name));
}
// Get fDescription
if (bundle) {
CFTypeRef description = ::CFBundleGetValueForInfoDictionaryKey(bundle, CFSTR("WebPluginDescription"));
if (description && ::CFGetTypeID(description) == ::CFStringGetTypeID())
info.fDescription = CFStringRefToUTF8Buffer(static_cast<CFStringRef>(description));
}
// Get fVersion
if (bundle) {
// Look for the release version first
CFTypeRef version = ::CFBundleGetValueForInfoDictionaryKey(bundle, CFSTR("CFBundleShortVersionString"));
if (!version) // try the build version
version = ::CFBundleGetValueForInfoDictionaryKey(bundle, kCFBundleVersionKey);
if (version && ::CFGetTypeID(version) == ::CFStringGetTypeID())
info.fVersion = CFStringRefToUTF8Buffer(static_cast<CFStringRef>(version));
}
// The last thing we need to do is get MIME data
// fVariantCount, fMimeTypeArray, fExtensionArray, fMimeDescriptionArray
// First look for data in a bundle plist
if (bundle) {
ParsePlistPluginInfo(info, bundle);
::CFRelease(bundle);
if (info.fVariantCount > 0)
return NS_OK;
}
// Don't load "fbplugin" or any plugins whose name starts with "fbplugin_"
// (Facebook plugins) if we're running on OS X 10.10 (Yosemite) or later.
// A "fbplugin" file crashes on load, in the call to LoadPlugin() below.
// See bug 1086977.
if (nsCocoaFeatures::OnYosemiteOrLater()) {
if (fileName.EqualsLiteral("fbplugin") ||
StringBeginsWith(fileName, NS_LITERAL_CSTRING("fbplugin_"))) {
nsAutoCString msg;
msg.AppendPrintf("Preventing load of %s (see bug 1086977)",
fileName.get());
NS_WARNING(msg.get());
return NS_ERROR_FAILURE;
}
#if defined(MOZ_CRASHREPORTER)
// The block above assumes that "fbplugin" is the filename of the plugin
// to be blocked, or that the filename starts with "fbplugin_". But we
// don't yet know for sure if this is always true. So for the time being
// record extra information in our crash logs.
CrashReporter::AnnotateCrashReport(NS_LITERAL_CSTRING("Bug_1086977"),
fileName);
#endif
}
// It's possible that our plugin has 2 entry points that'll give us mime type
// info. Quicktime does this to get around the need of having admin rights to
// change mime info in the resource fork. We need to use this info instead of
// the resource. See bug 113464.
// Sadly we have to load the library for this to work.
rv = LoadPlugin(outLibrary);
#if defined(MOZ_CRASHREPORTER)
if (nsCocoaFeatures::OnYosemiteOrLater()) {
// If we didn't crash in LoadPlugin(), change the previous annotation so we
// don't sow confusion.
CrashReporter::AnnotateCrashReport(NS_LITERAL_CSTRING("Bug_1086977"),
NS_LITERAL_CSTRING("Didn't crash, please ignore"));
}
#endif
if (NS_FAILED(rv))
return rv;
// Try to get data from NP_GetMIMEDescription
if (pLibrary) {
NP_GETMIMEDESCRIPTION pfnGetMimeDesc = (NP_GETMIMEDESCRIPTION)PR_FindFunctionSymbol(pLibrary, NP_GETMIMEDESCRIPTION_NAME);
if (pfnGetMimeDesc)
ParsePluginMimeDescription(pfnGetMimeDesc(), info);
if (info.fVariantCount)
return NS_OK;
}
// We'll fill this in using BP_GetSupportedMIMETypes and/or resource fork data
BPSupportedMIMETypes mi = {kBPSupportedMIMETypesStructVers_1, nullptr, nullptr};
// Try to get data from BP_GetSupportedMIMETypes
if (pLibrary) {
BP_GETSUPPORTEDMIMETYPES pfnMime = (BP_GETSUPPORTEDMIMETYPES)PR_FindFunctionSymbol(pLibrary, "BP_GetSupportedMIMETypes");
if (pfnMime && noErr == pfnMime(&mi, 0) && mi.typeStrings) {
info.fVariantCount = (**(short**)mi.typeStrings) / 2;
::HLock(mi.typeStrings);
if (mi.infoStrings) // it's possible some plugins have infoStrings missing
::HLock(mi.infoStrings);
}
}
// Fill in the info struct based on the data in the BPSupportedMIMETypes struct
int variantCount = info.fVariantCount;
info.fMimeTypeArray = static_cast<char**>(moz_xmalloc(variantCount * sizeof(char*)));
if (!info.fMimeTypeArray)
return NS_ERROR_OUT_OF_MEMORY;
info.fExtensionArray = static_cast<char**>(moz_xmalloc(variantCount * sizeof(char*)));
if (!info.fExtensionArray)
return NS_ERROR_OUT_OF_MEMORY;
if (mi.infoStrings) {
info.fMimeDescriptionArray = static_cast<char**>(moz_xmalloc(variantCount * sizeof(char*)));
if (!info.fMimeDescriptionArray)
return NS_ERROR_OUT_OF_MEMORY;
}
short mimeIndex = 2;
short descriptionIndex = 2;
for (int i = 0; i < variantCount; i++) {
info.fMimeTypeArray[i] = GetNextPluginStringFromHandle(mi.typeStrings, &mimeIndex);
info.fExtensionArray[i] = GetNextPluginStringFromHandle(mi.typeStrings, &mimeIndex);
if (mi.infoStrings)
info.fMimeDescriptionArray[i] = GetNextPluginStringFromHandle(mi.infoStrings, &descriptionIndex);
}
::HUnlock(mi.typeStrings);
::DisposeHandle(mi.typeStrings);
if (mi.infoStrings) {
::HUnlock(mi.infoStrings);
::DisposeHandle(mi.infoStrings);
}
return NS_OK;
}
