Esempio n. 1
0
nsresult nsPluginFile::GetPluginInfo(nsPluginInfo& info)
{
    info.fVersion = nsnull;

    // Passing NULL for a file path will prevent a call to NP_Initialize.
    nsCOMPtr<nsIPlugin> plugin;
    nsresult rv = nsNPAPIPlugin::CreatePlugin(NULL, pLibrary, getter_AddRefs(plugin));
    if (NS_FAILED(rv))
      return rv;

    if (plugin) {
        const char* (*npGetPluginVersion)() =
          (const char* (*)()) PR_FindFunctionSymbol(pLibrary, "NP_GetPluginVersion");
        if (npGetPluginVersion)
            info.fVersion = PL_strdup(npGetPluginVersion());

        const char *mimedescr = NULL;
        plugin->GetMIMEDescription(&mimedescr);
#ifdef NS_DEBUG
        printf("GetMIMEDescription() returned \"%s\"\n", mimedescr);
#endif
        if (NS_FAILED(rv = ParsePluginMimeDescription(mimedescr, info)))
            return rv;

        nsCAutoString path;
        if (NS_FAILED(rv = mPlugin->GetNativePath(path)))
            return rv;
        info.fFullPath = PL_strdup(path.get());

        nsCAutoString fileName;
        if (NS_FAILED(rv = mPlugin->GetNativeLeafName(fileName)))
          return rv;
        info.fFileName = PL_strdup(fileName.get());

        const char *name = NULL;
        plugin->GetValue(nsPluginVariable_NameString, &name);
        if (name)
          info.fName = PL_strdup(name);
        else
          info.fName = PL_strdup(fileName.get());

        const char *description = NULL;
        plugin->GetValue(nsPluginVariable_DescriptionString, &description);
        if (!description)
            description = "";
        info.fDescription = PL_strdup(description);
    }
    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;
  }

  // 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 (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, 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);
    }
  }

  // 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;
}
Esempio n. 3
0
/**
 * 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;
}
Esempio n. 4
0
nsresult nsPluginFile::GetPluginInfo(nsPluginInfo& info, PRLibrary **outLibrary)
{
    *outLibrary = nullptr;

    info.fVersion = nullptr;

    // Sadly we have to load the library for this to work.
    nsresult rv = LoadPlugin(outLibrary);
    if (NS_FAILED(rv))
        return rv;
  
    const char* (*npGetPluginVersion)() =
        (const char* (*)()) PR_FindFunctionSymbol(pLibrary, "NP_GetPluginVersion");
    if (npGetPluginVersion) {
        info.fVersion = PL_strdup(npGetPluginVersion());
    }

    const char* (*npGetMIMEDescription)() =
        (const char* (*)()) PR_FindFunctionSymbol(pLibrary, "NP_GetMIMEDescription");
    if (!npGetMIMEDescription) {
        return NS_ERROR_FAILURE;
    }

    const char* mimedescr = npGetMIMEDescription();
    if (!mimedescr) {
        return NS_ERROR_FAILURE;
    }

    rv = ParsePluginMimeDescription(mimedescr, info);
    if (NS_FAILED(rv)) {
        return rv;
    }

    nsAutoCString path;
    if (NS_FAILED(rv = mPlugin->GetNativePath(path)))
        return rv;
    info.fFullPath = PL_strdup(path.get());

    nsAutoCString fileName;
    if (NS_FAILED(rv = mPlugin->GetNativeLeafName(fileName)))
        return rv;
    info.fFileName = PL_strdup(fileName.get());

    NP_GetValueFunc npGetValue = (NP_GetValueFunc)PR_FindFunctionSymbol(pLibrary, "NP_GetValue");
    if (!npGetValue) {
        return NS_ERROR_FAILURE;
    }

    const char *name = NULL;
    npGetValue(NULL, NPPVpluginNameString, &name);
    if (name) {
        info.fName = PL_strdup(name);
    }
    else {
        info.fName = PL_strdup(fileName.get());
    }

    const char *description = NULL;
    npGetValue(NULL, NPPVpluginDescriptionString, &description);
    if (description) {
        info.fDescription = PL_strdup(description);
    }
    else {
        info.fDescription = PL_strdup("");
    }

    return NS_OK;
}
Esempio n. 5
0
/**
 * Obtains all of the information currently available for this plugin.
 */
nsresult nsPluginFile::GetPluginInfo(nsPluginInfo& info)
{
    // clear out the info, except for the first field.
    memset(&info.fName, 0, sizeof(info) - sizeof(PRUint32));

    // need to open the plugin's resource file and read some resources.
    short refNum = OpenPluginResource();

    if (refNum >= 0) {
        if (info.fPluginInfoSize >= sizeof(nsPluginInfo)) {
            // 'STR#', 126, 2 => plugin name.
            info.fName = GetPluginString(126, 2);
      
            // 'STR#', 126, 1 => plugin description.
            info.fDescription = GetPluginString(126, 1);

            nsCString path;
            mPlugin->GetNativePath(path);
      
            FSSpec spec;
            toFSSpec(mPlugin, spec);
            info.fFileName = p2cstrdup(spec.name);

            info.fFullPath = PL_strdup(path.get());
            CFBundleRef bundle = getPluginBundle(path.get());
            if (bundle) {
                info.fBundle = PR_TRUE;
                CFRelease(bundle);
            } else
                info.fBundle = PR_FALSE;

      // It's possible that our plugin has 2 special extra entry points that'll give us more
      // 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.
      BPSupportedMIMETypes mi = {kBPSupportedMIMETypesStructVers_1, NULL, NULL};
      if (pLibrary) {

        // First, check for NP_GetMIMEDescription
        NP_GETMIMEDESCRIPTION pfnGetMimeDesc = 
          (NP_GETMIMEDESCRIPTION)PR_FindSymbol(pLibrary, NP_GETMIMEDESCRIPTION_NAME); 
        if (pfnGetMimeDesc) {
          nsresult rv = ParsePluginMimeDescription(pfnGetMimeDesc(), info);
          if (NS_SUCCEEDED(rv)) {    // if we could parse the mime types from NP_GetMIMEDescription,
            ::CloseResFile(refNum);  // we've got what we need, close the resource, we're done
            return rv;
          }
        }

        // Next check for mime info from BP_GetSupportedMIMETypes
        BP_GETSUPPORTEDMIMETYPES pfnMime = 
          (BP_GETSUPPORTEDMIMETYPES)PR_FindSymbol(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);
        }
      }
      
      // Last, we couldn't get info from an extra entry point for some reason, 
      // Lets get info from normal resources
      if (!info.fVariantCount) {
        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
          ::CloseResFile(refNum);
          return NS_ERROR_FAILURE;
        }

        mi.infoStrings = ::Get1Resource('STR#', 127);
        if (mi.infoStrings) {
          ::DetachResource(mi.infoStrings);
          ::HLock(mi.infoStrings);
        }
      }

      // fill-in rest of info struct
      int variantCount = info.fVariantCount;
      info.fMimeTypeArray      = new char*[variantCount];
      info.fExtensionArray     = new char*[variantCount];
      if (mi.infoStrings)
        info.fMimeDescriptionArray = new char*[variantCount];

      short mimeIndex = 2, 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);
            }
        }
    
        ::CloseResFile(refNum);
    }
    return NS_OK;
}