mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-31 14:15:30 +00:00
3694 lines
108 KiB
C++
3694 lines
108 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* nsPluginHost.cpp - top-level plugin management code */
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#include "nscore.h"
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#include "nsPluginHost.h"
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#include <cstdlib>
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#include <stdio.h>
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#include "prio.h"
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#include "prmem.h"
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#include "nsNPAPIPlugin.h"
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#include "nsNPAPIPluginStreamListener.h"
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#include "nsNPAPIPluginInstance.h"
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#include "nsPluginInstanceOwner.h"
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#include "nsObjectLoadingContent.h"
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#include "nsIHTTPHeaderListener.h"
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#include "nsIHttpHeaderVisitor.h"
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#include "nsIObserverService.h"
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#include "nsIHttpProtocolHandler.h"
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#include "nsIHttpChannel.h"
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#include "nsIUploadChannel.h"
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#include "nsIByteRangeRequest.h"
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#include "nsIStreamListener.h"
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#include "nsIInputStream.h"
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#include "nsIOutputStream.h"
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#include "nsIURL.h"
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#include "nsTArray.h"
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#include "nsReadableUtils.h"
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#include "nsIProtocolProxyService2.h"
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#include "nsIStreamConverterService.h"
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#include "nsIFile.h"
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#if defined(XP_MACOSX)
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#include "nsILocalFileMac.h"
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#endif
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#include "nsISeekableStream.h"
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#include "nsNetUtil.h"
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#include "nsIProgressEventSink.h"
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#include "nsIDocument.h"
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#include "nsHashtable.h"
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#include "nsPluginLogging.h"
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#include "nsIScriptChannel.h"
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#include "nsIBlocklistService.h"
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#include "nsVersionComparator.h"
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#include "nsIObjectLoadingContent.h"
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#include "nsIWritablePropertyBag2.h"
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#include "nsICategoryManager.h"
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#include "nsPluginStreamListenerPeer.h"
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#include "mozilla/Preferences.h"
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#include "nsEnumeratorUtils.h"
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#include "nsXPCOM.h"
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#include "nsXPCOMCID.h"
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#include "nsISupportsPrimitives.h"
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#include "nsXULAppAPI.h"
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#include "nsIXULRuntime.h"
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// for the dialog
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#include "nsIWindowWatcher.h"
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#include "nsIDOMElement.h"
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#include "nsIDOMWindow.h"
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#include "nsNetCID.h"
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#include "prprf.h"
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#include "nsThreadUtils.h"
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#include "nsIInputStreamTee.h"
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#include "nsDirectoryServiceDefs.h"
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#include "nsAppDirectoryServiceDefs.h"
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#include "nsPluginDirServiceProvider.h"
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#include "nsUnicharUtils.h"
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#include "nsPluginManifestLineReader.h"
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#include "nsIWeakReferenceUtils.h"
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#include "nsIPresShell.h"
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#include "nsPluginNativeWindow.h"
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#include "nsIScriptSecurityManager.h"
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#include "nsIContentPolicy.h"
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#include "nsContentPolicyUtils.h"
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#include "mozilla/TimeStamp.h"
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#include "mozilla/Telemetry.h"
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#include "nsIImageLoadingContent.h"
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#include "mozilla/Preferences.h"
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#include "nsVersionComparator.h"
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#if defined(XP_WIN)
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#include "nsIWindowMediator.h"
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#include "nsIBaseWindow.h"
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#include "windows.h"
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#include "winbase.h"
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#endif
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#ifdef ANDROID
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#include <android/log.h>
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#define LOG(args...) __android_log_print(ANDROID_LOG_INFO, "GeckoPlugins" , ## args)
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#endif
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#if MOZ_CRASHREPORTER
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#include "nsExceptionHandler.h"
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#endif
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using namespace mozilla;
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using mozilla::TimeStamp;
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// Null out a strong ref to a linked list iteratively to avoid
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// exhausting the stack (bug 486349).
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#define NS_ITERATIVE_UNREF_LIST(type_, list_, mNext_) \
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{ \
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while (list_) { \
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type_ temp = list_->mNext_; \
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list_->mNext_ = nullptr; \
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list_ = temp; \
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} \
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}
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// this is the name of the directory which will be created
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// to cache temporary files.
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#define kPluginTmpDirName NS_LITERAL_CSTRING("plugtmp")
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static const char *kPrefWhitelist = "plugin.allowed_types";
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static const char *kPrefDisableFullPage = "plugin.disable_full_page_plugin_for_types";
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// Version of cached plugin info
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// 0.01 first implementation
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// 0.02 added caching of CanUnload to fix bug 105935
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// 0.03 changed name, description and mime desc from string to bytes, bug 108246
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// 0.04 added new mime entry point on Mac, bug 113464
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// 0.05 added new entry point check for the default plugin, bug 132430
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// 0.06 strip off suffixes in mime description strings, bug 53895
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// 0.07 changed nsIRegistry to flat file support for caching plugins info
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// 0.08 mime entry point on MachO, bug 137535
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// 0.09 the file encoding is changed to UTF-8, bug 420285
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// 0.10 added plugin versions on appropriate platforms, bug 427743
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// 0.11 file name and full path fields now store expected values on all platforms, bug 488181
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// 0.12 force refresh due to quicktime pdf claim fix, bug 611197
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// 0.13 add architecture and list of invalid plugins, bug 616271
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// 0.14 force refresh due to locale comparison fix, bug 611296
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// 0.15 force refresh due to bug in reading Java plist MIME data, bug 638171
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// 0.16 version bump to avoid importing the plugin flags in newer versions
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// The current plugin registry version (and the maximum version we know how to read)
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static const char *kPluginRegistryVersion = "0.16";
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// The minimum registry version we know how to read
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static const char *kMinimumRegistryVersion = "0.9";
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static NS_DEFINE_IID(kIPluginTagInfoIID, NS_IPLUGINTAGINFO_IID);
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static const char kDirectoryServiceContractID[] = "@mozilla.org/file/directory_service;1";
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#define kPluginRegistryFilename NS_LITERAL_CSTRING("pluginreg.dat")
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#ifdef PLUGIN_LOGGING
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PRLogModuleInfo* nsPluginLogging::gNPNLog = nullptr;
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PRLogModuleInfo* nsPluginLogging::gNPPLog = nullptr;
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PRLogModuleInfo* nsPluginLogging::gPluginLog = nullptr;
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#endif
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// #defines for plugin cache and prefs
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#define NS_PREF_MAX_NUM_CACHED_INSTANCES "browser.plugins.max_num_cached_plugins"
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// Raise this from '10' to '50' to work around a bug in Apple's current Java
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// plugins on OS X Lion and SnowLeopard. See bug 705931.
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#define DEFAULT_NUMBER_OF_STOPPED_INSTANCES 50
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nsIFile *nsPluginHost::sPluginTempDir;
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nsPluginHost *nsPluginHost::sInst;
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NS_IMPL_ISUPPORTS0(nsInvalidPluginTag)
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nsInvalidPluginTag::nsInvalidPluginTag(const char* aFullPath, int64_t aLastModifiedTime)
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: mFullPath(aFullPath),
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mLastModifiedTime(aLastModifiedTime),
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mSeen(false)
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{}
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nsInvalidPluginTag::~nsInvalidPluginTag()
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{}
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// Helper to check for a MIME in a comma-delimited preference
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static bool
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IsTypeInList(nsCString &aMimeType, nsCString aTypeList)
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{
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nsAutoCString searchStr;
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searchStr.Assign(',');
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searchStr.Append(aTypeList);
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searchStr.Append(',');
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nsACString::const_iterator start, end;
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searchStr.BeginReading(start);
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searchStr.EndReading(end);
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nsAutoCString commaSeparated;
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commaSeparated.Assign(',');
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commaSeparated += aMimeType;
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commaSeparated.Append(',');
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return FindInReadable(commaSeparated, start, end);
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}
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// flat file reg funcs
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static
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bool ReadSectionHeader(nsPluginManifestLineReader& reader, const char *token)
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{
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do {
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if (*reader.LinePtr() == '[') {
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char* p = reader.LinePtr() + (reader.LineLength() - 1);
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if (*p != ']')
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break;
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*p = 0;
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char* values[1];
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if (1 != reader.ParseLine(values, 1))
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break;
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// ignore the leading '['
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if (PL_strcmp(values[0]+1, token)) {
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break; // it's wrong token
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}
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return true;
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}
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} while (reader.NextLine());
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return false;
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}
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static bool UnloadPluginsASAP()
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{
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return Preferences::GetBool("dom.ipc.plugins.unloadASAP", false);
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}
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nsPluginHost::nsPluginHost()
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// No need to initialize members to nullptr, false etc because this class
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// has a zeroing operator new.
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{
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// check to see if pref is set at startup to let plugins take over in
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// full page mode for certain image mime types that we handle internally
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mOverrideInternalTypes =
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Preferences::GetBool("plugin.override_internal_types", false);
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mPluginsDisabled = Preferences::GetBool("plugin.disable", false);
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mPluginsClickToPlay = Preferences::GetBool("plugins.click_to_play", false);
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Preferences::AddStrongObserver(this, "plugin.disable");
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Preferences::AddStrongObserver(this, "plugins.click_to_play");
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nsCOMPtr<nsIObserverService> obsService =
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mozilla::services::GetObserverService();
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if (obsService) {
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obsService->AddObserver(this, NS_XPCOM_SHUTDOWN_OBSERVER_ID, false);
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obsService->AddObserver(this, "blocklist-updated", false);
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#ifdef MOZ_WIDGET_ANDROID
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obsService->AddObserver(this, "application-foreground", false);
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obsService->AddObserver(this, "application-background", false);
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#endif
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}
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#ifdef PLUGIN_LOGGING
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nsPluginLogging::gNPNLog = PR_NewLogModule(NPN_LOG_NAME);
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nsPluginLogging::gNPPLog = PR_NewLogModule(NPP_LOG_NAME);
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nsPluginLogging::gPluginLog = PR_NewLogModule(PLUGIN_LOG_NAME);
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PR_LOG(nsPluginLogging::gNPNLog, PLUGIN_LOG_ALWAYS,("NPN Logging Active!\n"));
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PR_LOG(nsPluginLogging::gPluginLog, PLUGIN_LOG_ALWAYS,("General Plugin Logging Active! (nsPluginHost::ctor)\n"));
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PR_LOG(nsPluginLogging::gNPPLog, PLUGIN_LOG_ALWAYS,("NPP Logging Active!\n"));
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PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("nsPluginHost::ctor\n"));
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PR_LogFlush();
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#endif
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}
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nsPluginHost::~nsPluginHost()
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{
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PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("nsPluginHost::dtor\n"));
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UnloadPlugins();
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sInst = nullptr;
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}
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NS_IMPL_ISUPPORTS4(nsPluginHost,
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nsIPluginHost,
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nsIObserver,
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nsITimerCallback,
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nsISupportsWeakReference)
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already_AddRefed<nsPluginHost>
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nsPluginHost::GetInst()
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{
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if (!sInst) {
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sInst = new nsPluginHost();
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if (!sInst)
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return nullptr;
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NS_ADDREF(sInst);
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}
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nsRefPtr<nsPluginHost> inst = sInst;
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return inst.forget();
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}
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bool nsPluginHost::IsRunningPlugin(nsPluginTag * aPluginTag)
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{
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if (!aPluginTag || !aPluginTag->mPlugin) {
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return false;
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}
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for (uint32_t i = 0; i < mInstances.Length(); i++) {
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nsNPAPIPluginInstance *instance = mInstances[i].get();
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if (instance &&
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instance->GetPlugin() == aPluginTag->mPlugin &&
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instance->IsRunning()) {
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return true;
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}
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}
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return false;
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}
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nsresult nsPluginHost::ReloadPlugins()
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{
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PLUGIN_LOG(PLUGIN_LOG_NORMAL,
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("nsPluginHost::ReloadPlugins Begin\n"));
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nsresult rv = NS_OK;
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// this will create the initial plugin list out of cache
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// if it was not created yet
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if (!mPluginsLoaded)
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return LoadPlugins();
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// we are re-scanning plugins. New plugins may have been added, also some
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// plugins may have been removed, so we should probably shut everything down
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// but don't touch running (active and not stopped) plugins
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// check if plugins changed, no need to do anything else
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// if no changes to plugins have been made
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// false instructs not to touch the plugin list, just to
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// look for possible changes
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bool pluginschanged = true;
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FindPlugins(false, &pluginschanged);
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// if no changed detected, return an appropriate error code
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if (!pluginschanged)
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return NS_ERROR_PLUGINS_PLUGINSNOTCHANGED;
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// shutdown plugins and kill the list if there are no running plugins
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nsRefPtr<nsPluginTag> prev;
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nsRefPtr<nsPluginTag> next;
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for (nsRefPtr<nsPluginTag> p = mPlugins; p != nullptr;) {
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next = p->mNext;
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// only remove our plugin from the list if it's not running.
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if (!IsRunningPlugin(p)) {
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if (p == mPlugins)
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mPlugins = next;
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else
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prev->mNext = next;
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p->mNext = nullptr;
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// attempt to unload plugins whenever they are removed from the list
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p->TryUnloadPlugin(false);
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p = next;
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continue;
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}
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prev = p;
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p = next;
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}
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// set flags
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mPluginsLoaded = false;
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// load them again
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rv = LoadPlugins();
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PLUGIN_LOG(PLUGIN_LOG_NORMAL,
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("nsPluginHost::ReloadPlugins End\n"));
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return rv;
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}
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#define NS_RETURN_UASTRING_SIZE 128
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nsresult nsPluginHost::UserAgent(const char **retstring)
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{
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static char resultString[NS_RETURN_UASTRING_SIZE];
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nsresult res;
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nsCOMPtr<nsIHttpProtocolHandler> http = do_GetService(NS_NETWORK_PROTOCOL_CONTRACTID_PREFIX "http", &res);
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if (NS_FAILED(res))
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return res;
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nsAutoCString uaString;
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res = http->GetUserAgent(uaString);
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if (NS_SUCCEEDED(res)) {
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if (NS_RETURN_UASTRING_SIZE > uaString.Length()) {
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PL_strcpy(resultString, uaString.get());
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} else {
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// Copy as much of UA string as we can (terminate at right-most space).
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PL_strncpy(resultString, uaString.get(), NS_RETURN_UASTRING_SIZE);
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for (int i = NS_RETURN_UASTRING_SIZE - 1; i >= 0; i--) {
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if (i == 0) {
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resultString[NS_RETURN_UASTRING_SIZE - 1] = '\0';
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}
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else if (resultString[i] == ' ') {
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resultString[i] = '\0';
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break;
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}
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}
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}
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*retstring = resultString;
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}
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else {
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*retstring = nullptr;
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}
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PLUGIN_LOG(PLUGIN_LOG_NORMAL, ("nsPluginHost::UserAgent return=%s\n", *retstring));
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return res;
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}
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nsresult nsPluginHost::GetPrompt(nsIPluginInstanceOwner *aOwner, nsIPrompt **aPrompt)
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{
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nsresult rv;
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nsCOMPtr<nsIPrompt> prompt;
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nsCOMPtr<nsIWindowWatcher> wwatch = do_GetService(NS_WINDOWWATCHER_CONTRACTID, &rv);
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if (wwatch) {
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nsCOMPtr<nsIDOMWindow> domWindow;
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if (aOwner) {
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nsCOMPtr<nsIDocument> document;
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aOwner->GetDocument(getter_AddRefs(document));
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if (document) {
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domWindow = document->GetWindow();
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}
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}
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if (!domWindow) {
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wwatch->GetWindowByName(NS_LITERAL_STRING("_content").get(), nullptr, getter_AddRefs(domWindow));
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}
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rv = wwatch->GetNewPrompter(domWindow, getter_AddRefs(prompt));
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}
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NS_IF_ADDREF(*aPrompt = prompt);
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return rv;
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}
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nsresult nsPluginHost::GetURL(nsISupports* pluginInst,
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const char* url,
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const char* target,
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nsNPAPIPluginStreamListener* streamListener,
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const char* altHost,
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const char* referrer,
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bool forceJSEnabled)
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{
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return GetURLWithHeaders(static_cast<nsNPAPIPluginInstance*>(pluginInst),
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url, target, streamListener, altHost, referrer,
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forceJSEnabled, 0, nullptr);
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}
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nsresult nsPluginHost::GetURLWithHeaders(nsNPAPIPluginInstance* pluginInst,
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const char* url,
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const char* target,
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nsNPAPIPluginStreamListener* streamListener,
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const char* altHost,
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const char* referrer,
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bool forceJSEnabled,
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uint32_t getHeadersLength,
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const char* getHeaders)
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{
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// we can only send a stream back to the plugin (as specified by a
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// null target) if we also have a nsNPAPIPluginStreamListener to talk to
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if (!target && !streamListener)
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return NS_ERROR_ILLEGAL_VALUE;
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nsresult rv = DoURLLoadSecurityCheck(pluginInst, url);
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if (NS_FAILED(rv))
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return rv;
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if (target) {
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nsRefPtr<nsPluginInstanceOwner> owner = pluginInst->GetOwner();
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if (owner) {
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if ((0 == PL_strcmp(target, "newwindow")) ||
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(0 == PL_strcmp(target, "_new")))
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target = "_blank";
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else if (0 == PL_strcmp(target, "_current"))
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target = "_self";
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rv = owner->GetURL(url, target, nullptr, nullptr, 0);
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}
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}
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if (streamListener)
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rv = NewPluginURLStream(NS_ConvertUTF8toUTF16(url), pluginInst,
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streamListener, nullptr,
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getHeaders, getHeadersLength);
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return rv;
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}
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nsresult nsPluginHost::PostURL(nsISupports* pluginInst,
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const char* url,
|
|
uint32_t postDataLen,
|
|
const char* postData,
|
|
bool isFile,
|
|
const char* target,
|
|
nsNPAPIPluginStreamListener* streamListener,
|
|
const char* altHost,
|
|
const char* referrer,
|
|
bool forceJSEnabled,
|
|
uint32_t postHeadersLength,
|
|
const char* postHeaders)
|
|
{
|
|
nsresult rv;
|
|
|
|
// we can only send a stream back to the plugin (as specified
|
|
// by a null target) if we also have a nsNPAPIPluginStreamListener
|
|
// to talk to also
|
|
if (!target && !streamListener)
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
|
|
nsNPAPIPluginInstance* instance = static_cast<nsNPAPIPluginInstance*>(pluginInst);
|
|
|
|
rv = DoURLLoadSecurityCheck(instance, url);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
nsCOMPtr<nsIInputStream> postStream;
|
|
if (isFile) {
|
|
nsCOMPtr<nsIFile> file;
|
|
rv = CreateTempFileToPost(postData, getter_AddRefs(file));
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
nsCOMPtr<nsIInputStream> fileStream;
|
|
rv = NS_NewLocalFileInputStream(getter_AddRefs(fileStream),
|
|
file,
|
|
PR_RDONLY,
|
|
0600,
|
|
nsIFileInputStream::DELETE_ON_CLOSE |
|
|
nsIFileInputStream::CLOSE_ON_EOF);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
rv = NS_NewBufferedInputStream(getter_AddRefs(postStream), fileStream, 8192);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
} else {
|
|
char *dataToPost;
|
|
uint32_t newDataToPostLen;
|
|
ParsePostBufferToFixHeaders(postData, postDataLen, &dataToPost, &newDataToPostLen);
|
|
if (!dataToPost)
|
|
return NS_ERROR_UNEXPECTED;
|
|
|
|
nsCOMPtr<nsIStringInputStream> sis = do_CreateInstance("@mozilla.org/io/string-input-stream;1", &rv);
|
|
if (!sis) {
|
|
NS_Free(dataToPost);
|
|
return rv;
|
|
}
|
|
|
|
// data allocated by ParsePostBufferToFixHeaders() is managed and
|
|
// freed by the string stream.
|
|
postDataLen = newDataToPostLen;
|
|
sis->AdoptData(dataToPost, postDataLen);
|
|
postStream = sis;
|
|
}
|
|
|
|
if (target) {
|
|
nsRefPtr<nsPluginInstanceOwner> owner = instance->GetOwner();
|
|
if (owner) {
|
|
if ((0 == PL_strcmp(target, "newwindow")) ||
|
|
(0 == PL_strcmp(target, "_new"))) {
|
|
target = "_blank";
|
|
} else if (0 == PL_strcmp(target, "_current")) {
|
|
target = "_self";
|
|
}
|
|
rv = owner->GetURL(url, target, postStream,
|
|
(void*)postHeaders, postHeadersLength);
|
|
}
|
|
}
|
|
|
|
// if we don't have a target, just create a stream. This does
|
|
// NS_OpenURI()!
|
|
if (streamListener)
|
|
rv = NewPluginURLStream(NS_ConvertUTF8toUTF16(url), instance,
|
|
streamListener,
|
|
postStream, postHeaders, postHeadersLength);
|
|
|
|
return rv;
|
|
}
|
|
|
|
/* This method queries the prefs for proxy information.
|
|
* It has been tested and is known to work in the following three cases
|
|
* when no proxy host or port is specified
|
|
* when only the proxy host is specified
|
|
* when only the proxy port is specified
|
|
* This method conforms to the return code specified in
|
|
* http://developer.netscape.com/docs/manuals/proxy/adminnt/autoconf.htm#1020923
|
|
* with the exception that multiple values are not implemented.
|
|
*/
|
|
|
|
nsresult nsPluginHost::FindProxyForURL(const char* url, char* *result)
|
|
{
|
|
if (!url || !result) {
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
nsresult res;
|
|
|
|
nsCOMPtr<nsIURI> uriIn;
|
|
nsCOMPtr<nsIProtocolProxyService> proxyService;
|
|
nsCOMPtr<nsIProtocolProxyService2> proxyService2;
|
|
nsCOMPtr<nsIIOService> ioService;
|
|
|
|
proxyService = do_GetService(NS_PROTOCOLPROXYSERVICE_CONTRACTID, &res);
|
|
if (NS_FAILED(res) || !proxyService)
|
|
return res;
|
|
|
|
proxyService2 = do_QueryInterface(proxyService, &res);
|
|
if (NS_FAILED(res) || !proxyService2)
|
|
return res;
|
|
|
|
ioService = do_GetService(NS_IOSERVICE_CONTRACTID, &res);
|
|
if (NS_FAILED(res) || !ioService)
|
|
return res;
|
|
|
|
// make an nsURI from the argument url
|
|
res = ioService->NewURI(nsDependentCString(url), nullptr, nullptr, getter_AddRefs(uriIn));
|
|
if (NS_FAILED(res))
|
|
return res;
|
|
|
|
nsCOMPtr<nsIProxyInfo> pi;
|
|
|
|
// Remove this with bug 778201
|
|
res = proxyService2->DeprecatedBlockingResolve(uriIn, 0, getter_AddRefs(pi));
|
|
if (NS_FAILED(res))
|
|
return res;
|
|
|
|
nsAutoCString host, type;
|
|
int32_t port = -1;
|
|
|
|
// These won't fail, and even if they do... we'll be ok.
|
|
if (pi) {
|
|
pi->GetType(type);
|
|
pi->GetHost(host);
|
|
pi->GetPort(&port);
|
|
}
|
|
|
|
if (!pi || host.IsEmpty() || port <= 0 || host.EqualsLiteral("direct")) {
|
|
*result = PL_strdup("DIRECT");
|
|
} else if (type.EqualsLiteral("http")) {
|
|
*result = PR_smprintf("PROXY %s:%d", host.get(), port);
|
|
} else if (type.EqualsLiteral("socks4")) {
|
|
*result = PR_smprintf("SOCKS %s:%d", host.get(), port);
|
|
} else if (type.EqualsLiteral("socks")) {
|
|
// XXX - this is socks5, but there is no API for us to tell the
|
|
// plugin that fact. SOCKS for now, in case the proxy server
|
|
// speaks SOCKS4 as well. See bug 78176
|
|
// For a long time this was returning an http proxy type, so
|
|
// very little is probably broken by this
|
|
*result = PR_smprintf("SOCKS %s:%d", host.get(), port);
|
|
} else {
|
|
NS_ASSERTION(false, "Unknown proxy type!");
|
|
*result = PL_strdup("DIRECT");
|
|
}
|
|
|
|
if (nullptr == *result)
|
|
res = NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
return res;
|
|
}
|
|
|
|
nsresult nsPluginHost::Init()
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult nsPluginHost::UnloadPlugins()
|
|
{
|
|
PLUGIN_LOG(PLUGIN_LOG_NORMAL, ("nsPluginHost::UnloadPlugins Called\n"));
|
|
|
|
if (!mPluginsLoaded)
|
|
return NS_OK;
|
|
|
|
// we should call nsIPluginInstance::Stop and nsIPluginInstance::SetWindow
|
|
// for those plugins who want it
|
|
DestroyRunningInstances(nullptr);
|
|
|
|
nsPluginTag *pluginTag;
|
|
for (pluginTag = mPlugins; pluginTag; pluginTag = pluginTag->mNext) {
|
|
pluginTag->TryUnloadPlugin(true);
|
|
}
|
|
|
|
NS_ITERATIVE_UNREF_LIST(nsRefPtr<nsPluginTag>, mPlugins, mNext);
|
|
NS_ITERATIVE_UNREF_LIST(nsRefPtr<nsPluginTag>, mCachedPlugins, mNext);
|
|
NS_ITERATIVE_UNREF_LIST(nsRefPtr<nsInvalidPluginTag>, mInvalidPlugins, mNext);
|
|
|
|
// Lets remove any of the temporary files that we created.
|
|
if (sPluginTempDir) {
|
|
sPluginTempDir->Remove(true);
|
|
NS_RELEASE(sPluginTempDir);
|
|
}
|
|
|
|
#ifdef XP_WIN
|
|
if (mPrivateDirServiceProvider) {
|
|
nsCOMPtr<nsIDirectoryService> dirService =
|
|
do_GetService(kDirectoryServiceContractID);
|
|
if (dirService)
|
|
dirService->UnregisterProvider(mPrivateDirServiceProvider);
|
|
mPrivateDirServiceProvider = nullptr;
|
|
}
|
|
#endif /* XP_WIN */
|
|
|
|
mPluginsLoaded = false;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void nsPluginHost::OnPluginInstanceDestroyed(nsPluginTag* aPluginTag)
|
|
{
|
|
bool hasInstance = false;
|
|
for (uint32_t i = 0; i < mInstances.Length(); i++) {
|
|
if (TagForPlugin(mInstances[i]->GetPlugin()) == aPluginTag) {
|
|
hasInstance = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// We have some options for unloading plugins if they have no instances.
|
|
//
|
|
// Unloading plugins immediately can be bad - some plugins retain state
|
|
// between instances even when there are none. This is largely limited to
|
|
// going from one page to another, so state is retained without an instance
|
|
// for only a very short period of time. In order to allow this to work
|
|
// we don't unload plugins immediately by default. This is supported
|
|
// via a hidden user pref though.
|
|
//
|
|
// Another reason not to unload immediately is that loading is expensive,
|
|
// and it is better to leave popular plugins loaded.
|
|
//
|
|
// Our default behavior is to try to unload a plugin three minutes after
|
|
// its last instance is destroyed. This seems like a reasonable compromise
|
|
// that allows us to reclaim memory while allowing short state retention
|
|
// and avoid perf hits for loading popular plugins.
|
|
if (!hasInstance) {
|
|
if (UnloadPluginsASAP()) {
|
|
aPluginTag->TryUnloadPlugin(false);
|
|
} else {
|
|
if (aPluginTag->mUnloadTimer) {
|
|
aPluginTag->mUnloadTimer->Cancel();
|
|
} else {
|
|
aPluginTag->mUnloadTimer = do_CreateInstance(NS_TIMER_CONTRACTID);
|
|
}
|
|
aPluginTag->mUnloadTimer->InitWithCallback(this, 1000 * 60 * 3, nsITimer::TYPE_ONE_SHOT);
|
|
}
|
|
}
|
|
}
|
|
|
|
nsresult
|
|
nsPluginHost::GetPluginTempDir(nsIFile **aDir)
|
|
{
|
|
if (!sPluginTempDir) {
|
|
nsCOMPtr<nsIFile> tmpDir;
|
|
nsresult rv = NS_GetSpecialDirectory(NS_OS_TEMP_DIR,
|
|
getter_AddRefs(tmpDir));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
rv = tmpDir->AppendNative(kPluginTmpDirName);
|
|
|
|
// make it unique, and mode == 0700, not world-readable
|
|
rv = tmpDir->CreateUnique(nsIFile::DIRECTORY_TYPE, 0700);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
tmpDir.swap(sPluginTempDir);
|
|
}
|
|
|
|
return sPluginTempDir->Clone(aDir);
|
|
}
|
|
|
|
nsresult
|
|
nsPluginHost::InstantiatePluginInstance(const char *aMimeType, nsIURI* aURL,
|
|
nsObjectLoadingContent *aContent,
|
|
nsPluginInstanceOwner** aOwner)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aOwner);
|
|
|
|
#ifdef PLUGIN_LOGGING
|
|
nsAutoCString urlSpec;
|
|
if (aURL)
|
|
aURL->GetAsciiSpec(urlSpec);
|
|
|
|
PR_LOG(nsPluginLogging::gPluginLog, PLUGIN_LOG_NORMAL,
|
|
("nsPluginHost::InstantiatePlugin Begin mime=%s, url=%s\n",
|
|
aMimeType, urlSpec.get()));
|
|
|
|
PR_LogFlush();
|
|
#endif
|
|
|
|
if (!aMimeType) {
|
|
NS_NOTREACHED("Attempting to spawn a plugin with no mime type");
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
nsRefPtr<nsPluginInstanceOwner> instanceOwner = new nsPluginInstanceOwner();
|
|
if (!instanceOwner) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
|
|
nsCOMPtr<nsIContent> ourContent = do_QueryInterface(static_cast<nsIImageLoadingContent*>(aContent));
|
|
nsresult rv = instanceOwner->Init(ourContent);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
nsCOMPtr<nsIPluginTagInfo> pti;
|
|
rv = instanceOwner->QueryInterface(kIPluginTagInfoIID, getter_AddRefs(pti));
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
nsPluginTagType tagType;
|
|
rv = pti->GetTagType(&tagType);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
if (tagType != nsPluginTagType_Embed &&
|
|
tagType != nsPluginTagType_Applet &&
|
|
tagType != nsPluginTagType_Object) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
rv = SetUpPluginInstance(aMimeType, aURL, instanceOwner);
|
|
if (NS_FAILED(rv)) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
nsRefPtr<nsNPAPIPluginInstance> instance;
|
|
rv = instanceOwner->GetInstance(getter_AddRefs(instance));
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
if (instance) {
|
|
instanceOwner->CreateWidget();
|
|
|
|
// If we've got a native window, the let the plugin know about it.
|
|
instanceOwner->CallSetWindow();
|
|
}
|
|
|
|
// At this point we consider instantiation to be successful. Do not return an error.
|
|
instanceOwner.forget(aOwner);
|
|
|
|
#ifdef PLUGIN_LOGGING
|
|
nsAutoCString urlSpec2;
|
|
if (aURL != nullptr) aURL->GetAsciiSpec(urlSpec2);
|
|
|
|
PR_LOG(nsPluginLogging::gPluginLog, PLUGIN_LOG_NORMAL,
|
|
("nsPluginHost::InstantiatePlugin Finished mime=%s, rv=%d, url=%s\n",
|
|
aMimeType, rv, urlSpec2.get()));
|
|
|
|
PR_LogFlush();
|
|
#endif
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsPluginTag*
|
|
nsPluginHost::FindTagForLibrary(PRLibrary* aLibrary)
|
|
{
|
|
nsPluginTag* pluginTag;
|
|
for (pluginTag = mPlugins; pluginTag; pluginTag = pluginTag->mNext) {
|
|
if (pluginTag->mLibrary == aLibrary) {
|
|
return pluginTag;
|
|
}
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
nsPluginTag*
|
|
nsPluginHost::TagForPlugin(nsNPAPIPlugin* aPlugin)
|
|
{
|
|
nsPluginTag* pluginTag;
|
|
for (pluginTag = mPlugins; pluginTag; pluginTag = pluginTag->mNext) {
|
|
if (pluginTag->mPlugin == aPlugin) {
|
|
return pluginTag;
|
|
}
|
|
}
|
|
// a plugin should never exist without a corresponding tag
|
|
NS_ERROR("TagForPlugin has failed");
|
|
return nullptr;
|
|
}
|
|
|
|
nsresult nsPluginHost::SetUpPluginInstance(const char *aMimeType,
|
|
nsIURI *aURL,
|
|
nsPluginInstanceOwner *aOwner)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aOwner);
|
|
|
|
nsresult rv = TrySetUpPluginInstance(aMimeType, aURL, aOwner);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
// If we failed to load a plugin instance we'll try again after
|
|
// reloading our plugin list. Only do that once per document to
|
|
// avoid redundant high resource usage on pages with multiple
|
|
// unkown instance types. We'll do that by caching the document.
|
|
nsCOMPtr<nsIDocument> document;
|
|
aOwner->GetDocument(getter_AddRefs(document));
|
|
|
|
nsCOMPtr<nsIDocument> currentdocument = do_QueryReferent(mCurrentDocument);
|
|
if (document == currentdocument) {
|
|
return rv;
|
|
}
|
|
|
|
mCurrentDocument = do_GetWeakReference(document);
|
|
|
|
// Don't try to set up an instance again if nothing changed.
|
|
if (ReloadPlugins() == NS_ERROR_PLUGINS_PLUGINSNOTCHANGED) {
|
|
return rv;
|
|
}
|
|
|
|
return TrySetUpPluginInstance(aMimeType, aURL, aOwner);
|
|
}
|
|
|
|
nsresult
|
|
nsPluginHost::TrySetUpPluginInstance(const char *aMimeType,
|
|
nsIURI *aURL,
|
|
nsPluginInstanceOwner *aOwner)
|
|
{
|
|
#ifdef PLUGIN_LOGGING
|
|
nsAutoCString urlSpec;
|
|
if (aURL != nullptr) aURL->GetSpec(urlSpec);
|
|
|
|
PR_LOG(nsPluginLogging::gPluginLog, PLUGIN_LOG_NORMAL,
|
|
("nsPluginHost::TrySetupPluginInstance Begin mime=%s, owner=%p, url=%s\n",
|
|
aMimeType, aOwner, urlSpec.get()));
|
|
|
|
PR_LogFlush();
|
|
#endif
|
|
|
|
nsRefPtr<nsNPAPIPlugin> plugin;
|
|
GetPlugin(aMimeType, getter_AddRefs(plugin));
|
|
if (!plugin) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
nsPluginTag* pluginTag = FindPluginForType(aMimeType, true);
|
|
|
|
NS_ASSERTION(pluginTag, "Must have plugin tag here!");
|
|
|
|
#if defined(MOZ_WIDGET_ANDROID) && defined(MOZ_CRASHREPORTER)
|
|
if (pluginTag->mIsFlashPlugin) {
|
|
CrashReporter::AnnotateCrashReport(NS_LITERAL_CSTRING("FlashVersion"), pluginTag->mVersion);
|
|
}
|
|
#endif
|
|
|
|
nsRefPtr<nsNPAPIPluginInstance> instance = new nsNPAPIPluginInstance();
|
|
|
|
// This will create the owning reference. The connection must be made between the
|
|
// instance and the instance owner before initialization. Plugins can call into
|
|
// the browser during initialization.
|
|
aOwner->SetInstance(instance.get());
|
|
|
|
// Add the instance to the instances list before we call NPP_New so that
|
|
// it is "in play" before NPP_New happens. Take it out if NPP_New fails.
|
|
mInstances.AppendElement(instance.get());
|
|
|
|
// this should not addref the instance or owner
|
|
// except in some cases not Java, see bug 140931
|
|
// our COM pointer will free the peer
|
|
nsresult rv = instance->Initialize(plugin.get(), aOwner, aMimeType);
|
|
if (NS_FAILED(rv)) {
|
|
mInstances.RemoveElement(instance.get());
|
|
aOwner->SetInstance(nullptr);
|
|
return rv;
|
|
}
|
|
|
|
// Cancel the plugin unload timer since we are creating
|
|
// an instance for it.
|
|
if (pluginTag->mUnloadTimer) {
|
|
pluginTag->mUnloadTimer->Cancel();
|
|
}
|
|
|
|
#ifdef PLUGIN_LOGGING
|
|
nsAutoCString urlSpec2;
|
|
if (aURL)
|
|
aURL->GetSpec(urlSpec2);
|
|
|
|
PR_LOG(nsPluginLogging::gPluginLog, PLUGIN_LOG_BASIC,
|
|
("nsPluginHost::TrySetupPluginInstance Finished mime=%s, rv=%d, owner=%p, url=%s\n",
|
|
aMimeType, rv, aOwner, urlSpec2.get()));
|
|
|
|
PR_LogFlush();
|
|
#endif
|
|
|
|
return rv;
|
|
}
|
|
|
|
bool
|
|
nsPluginHost::PluginExistsForType(const char* aMimeType)
|
|
{
|
|
nsPluginTag *plugin = FindPluginForType(aMimeType, false);
|
|
return nullptr != plugin;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPluginHost::GetPluginTagForType(const nsACString& aMimeType,
|
|
nsIPluginTag** aResult)
|
|
{
|
|
nsPluginTag* plugin = FindPluginForType(aMimeType.Data(), true);
|
|
if (!plugin) {
|
|
plugin = FindPluginForType(aMimeType.Data(), false);
|
|
}
|
|
if (!plugin) {
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
NS_ADDREF(*aResult = plugin);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPluginHost::GetStateForType(const nsACString &aMimeType, uint32_t* aResult)
|
|
{
|
|
nsPluginTag *plugin = FindPluginForType(aMimeType.Data(), true);
|
|
if (!plugin) {
|
|
plugin = FindPluginForType(aMimeType.Data(), false);
|
|
}
|
|
if (!plugin) {
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
|
|
return plugin->GetEnabledState(aResult);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPluginHost::GetBlocklistStateForType(const char *aMimeType, uint32_t *aState)
|
|
{
|
|
nsPluginTag *plugin = FindPluginForType(aMimeType, true);
|
|
if (!plugin) {
|
|
plugin = FindPluginForType(aMimeType, false);
|
|
}
|
|
if (!plugin) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
*aState = plugin->GetBlocklistState();
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPluginHost::GetPermissionStringForType(const nsACString &aMimeType, nsACString &aPermissionString)
|
|
{
|
|
aPermissionString.Truncate();
|
|
uint32_t blocklistState;
|
|
nsresult rv = GetBlocklistStateForType(aMimeType.Data(), &blocklistState);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
nsPluginTag *tag = FindPluginForType(aMimeType.Data(), true);
|
|
if (!tag) {
|
|
tag = FindPluginForType(aMimeType.Data(), false);
|
|
}
|
|
if (!tag) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
if (blocklistState == nsIBlocklistService::STATE_VULNERABLE_UPDATE_AVAILABLE ||
|
|
blocklistState == nsIBlocklistService::STATE_VULNERABLE_NO_UPDATE) {
|
|
aPermissionString.AssignLiteral("plugin-vulnerable:");
|
|
}
|
|
else {
|
|
aPermissionString.AssignLiteral("plugin:");
|
|
}
|
|
|
|
aPermissionString.Append(tag->GetNiceFileName());
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
// check comma delimitered extensions
|
|
static int CompareExtensions(const char *aExtensionList, const char *aExtension)
|
|
{
|
|
if (!aExtensionList || !aExtension)
|
|
return -1;
|
|
|
|
const char *pExt = aExtensionList;
|
|
const char *pComma = strchr(pExt, ',');
|
|
if (!pComma)
|
|
return PL_strcasecmp(pExt, aExtension);
|
|
|
|
int extlen = strlen(aExtension);
|
|
while (pComma) {
|
|
int length = pComma - pExt;
|
|
if (length == extlen && 0 == PL_strncasecmp(aExtension, pExt, length))
|
|
return 0;
|
|
pComma++;
|
|
pExt = pComma;
|
|
pComma = strchr(pExt, ',');
|
|
}
|
|
|
|
// the last one
|
|
return PL_strcasecmp(pExt, aExtension);
|
|
}
|
|
|
|
nsresult
|
|
nsPluginHost::IsPluginEnabledForExtension(const char* aExtension,
|
|
const char* &aMimeType)
|
|
{
|
|
nsPluginTag *plugin = FindPluginEnabledForExtension(aExtension, aMimeType);
|
|
if (plugin)
|
|
return NS_OK;
|
|
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
void
|
|
nsPluginHost::GetPlugins(nsTArray<nsRefPtr<nsPluginTag> >& aPluginArray)
|
|
{
|
|
aPluginArray.Clear();
|
|
|
|
LoadPlugins();
|
|
|
|
nsPluginTag* plugin = mPlugins;
|
|
while (plugin != nullptr) {
|
|
if (plugin->IsEnabled()) {
|
|
aPluginArray.AppendElement(plugin);
|
|
}
|
|
plugin = plugin->mNext;
|
|
}
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPluginHost::GetPluginTags(uint32_t* aPluginCount, nsIPluginTag*** aResults)
|
|
{
|
|
LoadPlugins();
|
|
|
|
uint32_t count = 0;
|
|
nsRefPtr<nsPluginTag> plugin = mPlugins;
|
|
while (plugin != nullptr) {
|
|
count++;
|
|
plugin = plugin->mNext;
|
|
}
|
|
|
|
*aResults = static_cast<nsIPluginTag**>
|
|
(nsMemory::Alloc(count * sizeof(**aResults)));
|
|
if (!*aResults)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
*aPluginCount = count;
|
|
|
|
plugin = mPlugins;
|
|
for (uint32_t i = 0; i < count; i++) {
|
|
(*aResults)[i] = plugin;
|
|
NS_ADDREF((*aResults)[i]);
|
|
plugin = plugin->mNext;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsPluginTag*
|
|
nsPluginHost::FindPreferredPlugin(const InfallibleTArray<nsPluginTag*>& matches)
|
|
{
|
|
// We prefer the plugin with the highest version number.
|
|
/// XXX(johns): This seems to assume the only time multiple plugins will have
|
|
/// the same MIME type is if they're multiple versions of the same
|
|
/// plugin -- but since plugin filenames and pretty names can both
|
|
/// update, it's probably less arbitrary than just going at it
|
|
/// alphabetically.
|
|
|
|
if (matches.IsEmpty()) {
|
|
return nullptr;
|
|
}
|
|
|
|
nsPluginTag *preferredPlugin = matches[0];
|
|
for (unsigned int i = 1; i < matches.Length(); i++) {
|
|
if (mozilla::Version(matches[i]->mVersion.get()) > preferredPlugin->mVersion.get()) {
|
|
preferredPlugin = matches[i];
|
|
}
|
|
}
|
|
|
|
return preferredPlugin;
|
|
}
|
|
|
|
nsPluginTag*
|
|
nsPluginHost::FindPluginForType(const char* aMimeType,
|
|
bool aCheckEnabled)
|
|
{
|
|
if (!aMimeType) {
|
|
return nullptr;
|
|
}
|
|
|
|
LoadPlugins();
|
|
|
|
InfallibleTArray<nsPluginTag*> matchingPlugins;
|
|
|
|
nsPluginTag *plugin = mPlugins;
|
|
while (plugin) {
|
|
if (!aCheckEnabled || plugin->IsActive()) {
|
|
int32_t mimeCount = plugin->mMimeTypes.Length();
|
|
for (int32_t i = 0; i < mimeCount; i++) {
|
|
if (0 == PL_strcasecmp(plugin->mMimeTypes[i].get(), aMimeType)) {
|
|
matchingPlugins.AppendElement(plugin);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
plugin = plugin->mNext;
|
|
}
|
|
|
|
return FindPreferredPlugin(matchingPlugins);
|
|
}
|
|
|
|
nsPluginTag*
|
|
nsPluginHost::FindPluginEnabledForExtension(const char* aExtension,
|
|
const char*& aMimeType)
|
|
{
|
|
if (!aExtension) {
|
|
return nullptr;
|
|
}
|
|
|
|
LoadPlugins();
|
|
|
|
InfallibleTArray<nsPluginTag*> matchingPlugins;
|
|
|
|
nsPluginTag *plugin = mPlugins;
|
|
while (plugin) {
|
|
if (plugin->IsActive()) {
|
|
int32_t variants = plugin->mExtensions.Length();
|
|
for (int32_t i = 0; i < variants; i++) {
|
|
// mExtensionsArray[cnt] is a list of extensions separated by commas
|
|
if (0 == CompareExtensions(plugin->mExtensions[i].get(), aExtension)) {
|
|
matchingPlugins.AppendElement(plugin);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
plugin = plugin->mNext;
|
|
}
|
|
|
|
nsPluginTag *preferredPlugin = FindPreferredPlugin(matchingPlugins);
|
|
if (!preferredPlugin) {
|
|
return nullptr;
|
|
}
|
|
|
|
int32_t variants = preferredPlugin->mExtensions.Length();
|
|
for (int32_t i = 0; i < variants; i++) {
|
|
// mExtensionsArray[cnt] is a list of extensions separated by commas
|
|
if (0 == CompareExtensions(preferredPlugin->mExtensions[i].get(), aExtension)) {
|
|
aMimeType = preferredPlugin->mMimeTypes[i].get();
|
|
break;
|
|
}
|
|
}
|
|
|
|
return preferredPlugin;
|
|
}
|
|
|
|
static nsresult CreateNPAPIPlugin(nsPluginTag *aPluginTag,
|
|
nsNPAPIPlugin **aOutNPAPIPlugin)
|
|
{
|
|
// If this is an in-process plugin we'll need to load it here if we haven't already.
|
|
if (!nsNPAPIPlugin::RunPluginOOP(aPluginTag)) {
|
|
if (aPluginTag->mFullPath.IsEmpty())
|
|
return NS_ERROR_FAILURE;
|
|
nsCOMPtr<nsIFile> file = do_CreateInstance("@mozilla.org/file/local;1");
|
|
file->InitWithPath(NS_ConvertUTF8toUTF16(aPluginTag->mFullPath));
|
|
nsPluginFile pluginFile(file);
|
|
PRLibrary* pluginLibrary = nullptr;
|
|
|
|
if (NS_FAILED(pluginFile.LoadPlugin(&pluginLibrary)) || !pluginLibrary)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
aPluginTag->mLibrary = pluginLibrary;
|
|
}
|
|
|
|
nsresult rv;
|
|
rv = nsNPAPIPlugin::CreatePlugin(aPluginTag, aOutNPAPIPlugin);
|
|
|
|
return rv;
|
|
}
|
|
|
|
nsresult nsPluginHost::EnsurePluginLoaded(nsPluginTag* aPluginTag)
|
|
{
|
|
nsRefPtr<nsNPAPIPlugin> plugin = aPluginTag->mPlugin;
|
|
if (!plugin) {
|
|
nsresult rv = CreateNPAPIPlugin(aPluginTag, getter_AddRefs(plugin));
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
aPluginTag->mPlugin = plugin;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult nsPluginHost::GetPlugin(const char *aMimeType, nsNPAPIPlugin** aPlugin)
|
|
{
|
|
nsresult rv = NS_ERROR_FAILURE;
|
|
*aPlugin = nullptr;
|
|
|
|
if (!aMimeType)
|
|
return NS_ERROR_ILLEGAL_VALUE;
|
|
|
|
// If plugins haven't been scanned yet, do so now
|
|
LoadPlugins();
|
|
|
|
nsPluginTag* pluginTag = FindPluginForType(aMimeType, true);
|
|
if (pluginTag) {
|
|
rv = NS_OK;
|
|
PLUGIN_LOG(PLUGIN_LOG_BASIC,
|
|
("nsPluginHost::GetPlugin Begin mime=%s, plugin=%s\n",
|
|
aMimeType, pluginTag->mFileName.get()));
|
|
|
|
#ifdef DEBUG
|
|
if (aMimeType && !pluginTag->mFileName.IsEmpty())
|
|
printf("For %s found plugin %s\n", aMimeType, pluginTag->mFileName.get());
|
|
#endif
|
|
|
|
rv = EnsurePluginLoaded(pluginTag);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
NS_ADDREF(*aPlugin = pluginTag->mPlugin);
|
|
return NS_OK;
|
|
}
|
|
|
|
PLUGIN_LOG(PLUGIN_LOG_NORMAL,
|
|
("nsPluginHost::GetPlugin End mime=%s, rv=%d, plugin=%p name=%s\n",
|
|
aMimeType, rv, *aPlugin,
|
|
(pluginTag ? pluginTag->mFileName.get() : "(not found)")));
|
|
|
|
return rv;
|
|
}
|
|
|
|
// Normalize 'host' to ACE.
|
|
nsresult
|
|
nsPluginHost::NormalizeHostname(nsCString& host)
|
|
{
|
|
if (IsASCII(host)) {
|
|
ToLowerCase(host);
|
|
return NS_OK;
|
|
}
|
|
|
|
if (!mIDNService) {
|
|
nsresult rv;
|
|
mIDNService = do_GetService(NS_IDNSERVICE_CONTRACTID, &rv);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
}
|
|
|
|
return mIDNService->ConvertUTF8toACE(host, host);
|
|
}
|
|
|
|
// Enumerate a 'sites' array returned by GetSitesWithData and determine if
|
|
// any of them have a base domain in common with 'domain'; if so, append them
|
|
// to the 'result' array. If 'firstMatchOnly' is true, return after finding the
|
|
// first match.
|
|
nsresult
|
|
nsPluginHost::EnumerateSiteData(const nsACString& domain,
|
|
const InfallibleTArray<nsCString>& sites,
|
|
InfallibleTArray<nsCString>& result,
|
|
bool firstMatchOnly)
|
|
{
|
|
NS_ASSERTION(!domain.IsVoid(), "null domain string");
|
|
|
|
nsresult rv;
|
|
if (!mTLDService) {
|
|
mTLDService = do_GetService(NS_EFFECTIVETLDSERVICE_CONTRACTID, &rv);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
}
|
|
|
|
// Get the base domain from the domain.
|
|
nsCString baseDomain;
|
|
rv = mTLDService->GetBaseDomainFromHost(domain, 0, baseDomain);
|
|
bool isIP = rv == NS_ERROR_HOST_IS_IP_ADDRESS;
|
|
if (isIP || rv == NS_ERROR_INSUFFICIENT_DOMAIN_LEVELS) {
|
|
// The base domain is the site itself. However, we must be careful to
|
|
// normalize.
|
|
baseDomain = domain;
|
|
rv = NormalizeHostname(baseDomain);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
} else if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
// Enumerate the array of sites with data.
|
|
for (uint32_t i = 0; i < sites.Length(); ++i) {
|
|
const nsCString& site = sites[i];
|
|
|
|
// Check if the site is an IP address.
|
|
bool siteIsIP =
|
|
site.Length() >= 2 && site.First() == '[' && site.Last() == ']';
|
|
if (siteIsIP != isIP)
|
|
continue;
|
|
|
|
nsCString siteBaseDomain;
|
|
if (siteIsIP) {
|
|
// Strip the '[]'.
|
|
siteBaseDomain = Substring(site, 1, site.Length() - 2);
|
|
} else {
|
|
// Determine the base domain of the site.
|
|
rv = mTLDService->GetBaseDomainFromHost(site, 0, siteBaseDomain);
|
|
if (rv == NS_ERROR_INSUFFICIENT_DOMAIN_LEVELS) {
|
|
// The base domain is the site itself. However, we must be careful to
|
|
// normalize.
|
|
siteBaseDomain = site;
|
|
rv = NormalizeHostname(siteBaseDomain);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
} else if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
}
|
|
|
|
// At this point, we can do an exact comparison of the two domains.
|
|
if (baseDomain != siteBaseDomain) {
|
|
continue;
|
|
}
|
|
|
|
// Append the site to the result array.
|
|
result.AppendElement(site);
|
|
|
|
// If we're supposed to return early, do so.
|
|
if (firstMatchOnly) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPluginHost::RegisterPlayPreviewMimeType(const nsACString& mimeType,
|
|
bool ignoreCTP,
|
|
const nsACString& redirectURL)
|
|
{
|
|
nsAutoCString mt(mimeType);
|
|
nsAutoCString url(redirectURL);
|
|
if (url.Length() == 0) {
|
|
// using default play preview iframe URL, if redirectURL is not specified
|
|
url.Assign("data:application/x-moz-playpreview;,");
|
|
url.Append(mimeType);
|
|
}
|
|
|
|
nsRefPtr<nsPluginPlayPreviewInfo> playPreview =
|
|
new nsPluginPlayPreviewInfo(mt.get(), ignoreCTP, url.get());
|
|
mPlayPreviewMimeTypes.AppendElement(playPreview);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPluginHost::UnregisterPlayPreviewMimeType(const nsACString& mimeType)
|
|
{
|
|
nsAutoCString mimeTypeToRemove(mimeType);
|
|
for (uint32_t i = mPlayPreviewMimeTypes.Length(); i > 0; i--) {
|
|
nsRefPtr<nsPluginPlayPreviewInfo> pp = mPlayPreviewMimeTypes[i - 1];
|
|
if (PL_strcasecmp(pp.get()->mMimeType.get(), mimeTypeToRemove.get()) == 0) {
|
|
mPlayPreviewMimeTypes.RemoveElementAt(i - 1);
|
|
break;
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPluginHost::GetPlayPreviewInfo(const nsACString& mimeType,
|
|
nsIPluginPlayPreviewInfo** aResult)
|
|
{
|
|
nsAutoCString mimeTypeToFind(mimeType);
|
|
for (uint32_t i = 0; i < mPlayPreviewMimeTypes.Length(); i++) {
|
|
nsRefPtr<nsPluginPlayPreviewInfo> pp = mPlayPreviewMimeTypes[i];
|
|
if (PL_strcasecmp(pp.get()->mMimeType.get(), mimeTypeToFind.get()) == 0) {
|
|
*aResult = new nsPluginPlayPreviewInfo(pp.get());
|
|
NS_ADDREF(*aResult);
|
|
return NS_OK;
|
|
}
|
|
}
|
|
*aResult = nullptr;
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPluginHost::ClearSiteData(nsIPluginTag* plugin, const nsACString& domain,
|
|
uint64_t flags, int64_t maxAge)
|
|
{
|
|
// maxAge must be either a nonnegative integer or -1.
|
|
NS_ENSURE_ARG(maxAge >= 0 || maxAge == -1);
|
|
|
|
// Caller may give us a tag object that is no longer live.
|
|
if (!IsLiveTag(plugin)) {
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
|
|
nsPluginTag* tag = static_cast<nsPluginTag*>(plugin);
|
|
|
|
// We only ensure support for clearing Flash site data for now.
|
|
// We will also attempt to clear data for any plugin that happens
|
|
// to be loaded already.
|
|
if (!tag->mIsFlashPlugin && !tag->mPlugin) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
// Make sure the plugin is loaded.
|
|
nsresult rv = EnsurePluginLoaded(tag);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
PluginLibrary* library = tag->mPlugin->GetLibrary();
|
|
|
|
// If 'domain' is the null string, clear everything.
|
|
if (domain.IsVoid()) {
|
|
return library->NPP_ClearSiteData(nullptr, flags, maxAge);
|
|
}
|
|
|
|
// Get the list of sites from the plugin.
|
|
InfallibleTArray<nsCString> sites;
|
|
rv = library->NPP_GetSitesWithData(sites);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// Enumerate the sites and build a list of matches.
|
|
InfallibleTArray<nsCString> matches;
|
|
rv = EnumerateSiteData(domain, sites, matches, false);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// Clear the matches.
|
|
for (uint32_t i = 0; i < matches.Length(); ++i) {
|
|
const nsCString& match = matches[i];
|
|
rv = library->NPP_ClearSiteData(match.get(), flags, maxAge);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsPluginHost::SiteHasData(nsIPluginTag* plugin, const nsACString& domain,
|
|
bool* result)
|
|
{
|
|
// Caller may give us a tag object that is no longer live.
|
|
if (!IsLiveTag(plugin)) {
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
|
|
nsPluginTag* tag = static_cast<nsPluginTag*>(plugin);
|
|
|
|
// We only ensure support for clearing Flash site data for now.
|
|
// We will also attempt to clear data for any plugin that happens
|
|
// to be loaded already.
|
|
if (!tag->mIsFlashPlugin && !tag->mPlugin) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
// Make sure the plugin is loaded.
|
|
nsresult rv = EnsurePluginLoaded(tag);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
PluginLibrary* library = tag->mPlugin->GetLibrary();
|
|
|
|
// Get the list of sites from the plugin.
|
|
InfallibleTArray<nsCString> sites;
|
|
rv = library->NPP_GetSitesWithData(sites);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// If there's no data, we're done.
|
|
if (sites.IsEmpty()) {
|
|
*result = false;
|
|
return NS_OK;
|
|
}
|
|
|
|
// If 'domain' is the null string, and there's data for at least one site,
|
|
// we're done.
|
|
if (domain.IsVoid()) {
|
|
*result = true;
|
|
return NS_OK;
|
|
}
|
|
|
|
// Enumerate the sites and determine if there's a match.
|
|
InfallibleTArray<nsCString> matches;
|
|
rv = EnumerateSiteData(domain, sites, matches, true);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
*result = !matches.IsEmpty();
|
|
return NS_OK;
|
|
}
|
|
|
|
bool nsPluginHost::IsJavaMIMEType(const char* aType)
|
|
{
|
|
return aType &&
|
|
((0 == PL_strncasecmp(aType, "application/x-java-vm",
|
|
sizeof("application/x-java-vm") - 1)) ||
|
|
(0 == PL_strncasecmp(aType, "application/x-java-applet",
|
|
sizeof("application/x-java-applet") - 1)) ||
|
|
(0 == PL_strncasecmp(aType, "application/x-java-bean",
|
|
sizeof("application/x-java-bean") - 1)));
|
|
}
|
|
|
|
// Check whether or not a tag is a live, valid tag, and that it's loaded.
|
|
bool
|
|
nsPluginHost::IsLiveTag(nsIPluginTag* aPluginTag)
|
|
{
|
|
nsPluginTag* tag;
|
|
for (tag = mPlugins; tag; tag = tag->mNext) {
|
|
if (tag == aPluginTag) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
nsPluginTag*
|
|
nsPluginHost::HaveSamePlugin(const nsPluginTag* aPluginTag)
|
|
{
|
|
for (nsPluginTag* tag = mPlugins; tag; tag = tag->mNext) {
|
|
if (tag->HasSameNameAndMimes(aPluginTag)) {
|
|
return tag;
|
|
}
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
nsPluginTag*
|
|
nsPluginHost::FirstPluginWithPath(const nsCString& path)
|
|
{
|
|
for (nsPluginTag* tag = mPlugins; tag; tag = tag->mNext) {
|
|
if (tag->mFullPath.Equals(path)) {
|
|
return tag;
|
|
}
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
namespace {
|
|
|
|
int64_t GetPluginLastModifiedTime(const nsCOMPtr<nsIFile>& localfile)
|
|
{
|
|
PRTime fileModTime = 0;
|
|
|
|
#if defined(XP_MACOSX)
|
|
// On OS X the date of a bundle's "contents" (i.e. of its Info.plist file)
|
|
// is a much better guide to when it was last modified than the date of
|
|
// its package directory. See bug 313700.
|
|
nsCOMPtr<nsILocalFileMac> localFileMac = do_QueryInterface(localfile);
|
|
if (localFileMac) {
|
|
localFileMac->GetBundleContentsLastModifiedTime(&fileModTime);
|
|
} else {
|
|
localfile->GetLastModifiedTime(&fileModTime);
|
|
}
|
|
#else
|
|
localfile->GetLastModifiedTime(&fileModTime);
|
|
#endif
|
|
|
|
return fileModTime;
|
|
}
|
|
|
|
struct CompareFilesByTime
|
|
{
|
|
bool
|
|
LessThan(const nsCOMPtr<nsIFile>& a, const nsCOMPtr<nsIFile>& b) const
|
|
{
|
|
return GetPluginLastModifiedTime(a) < GetPluginLastModifiedTime(b);
|
|
}
|
|
|
|
bool
|
|
Equals(const nsCOMPtr<nsIFile>& a, const nsCOMPtr<nsIFile>& b) const
|
|
{
|
|
return GetPluginLastModifiedTime(a) == GetPluginLastModifiedTime(b);
|
|
}
|
|
};
|
|
|
|
} // anonymous namespace
|
|
|
|
typedef NS_NPAPIPLUGIN_CALLBACK(char *, NP_GETMIMEDESCRIPTION)(void);
|
|
|
|
nsresult nsPluginHost::ScanPluginsDirectory(nsIFile *pluginsDir,
|
|
bool aCreatePluginList,
|
|
bool *aPluginsChanged)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aPluginsChanged);
|
|
nsresult rv;
|
|
|
|
*aPluginsChanged = false;
|
|
|
|
#ifdef PLUGIN_LOGGING
|
|
nsAutoCString dirPath;
|
|
pluginsDir->GetNativePath(dirPath);
|
|
PLUGIN_LOG(PLUGIN_LOG_BASIC,
|
|
("nsPluginHost::ScanPluginsDirectory dir=%s\n", dirPath.get()));
|
|
#endif
|
|
|
|
nsCOMPtr<nsISimpleEnumerator> iter;
|
|
rv = pluginsDir->GetDirectoryEntries(getter_AddRefs(iter));
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
nsAutoTArray<nsCOMPtr<nsIFile>, 6> pluginFiles;
|
|
|
|
bool hasMore;
|
|
while (NS_SUCCEEDED(iter->HasMoreElements(&hasMore)) && hasMore) {
|
|
nsCOMPtr<nsISupports> supports;
|
|
rv = iter->GetNext(getter_AddRefs(supports));
|
|
if (NS_FAILED(rv))
|
|
continue;
|
|
nsCOMPtr<nsIFile> dirEntry(do_QueryInterface(supports, &rv));
|
|
if (NS_FAILED(rv))
|
|
continue;
|
|
|
|
// Sun's JRE 1.3.1 plugin must have symbolic links resolved or else it'll crash.
|
|
// See bug 197855.
|
|
dirEntry->Normalize();
|
|
|
|
if (nsPluginsDir::IsPluginFile(dirEntry)) {
|
|
pluginFiles.AppendElement(dirEntry);
|
|
}
|
|
}
|
|
|
|
pluginFiles.Sort(CompareFilesByTime());
|
|
|
|
bool warnOutdated = false;
|
|
|
|
for (int32_t i = (pluginFiles.Length() - 1); i >= 0; i--) {
|
|
nsCOMPtr<nsIFile>& localfile = pluginFiles[i];
|
|
|
|
nsString utf16FilePath;
|
|
rv = localfile->GetPath(utf16FilePath);
|
|
if (NS_FAILED(rv))
|
|
continue;
|
|
|
|
int64_t fileModTime = GetPluginLastModifiedTime(localfile);
|
|
|
|
// Look for it in our cache
|
|
NS_ConvertUTF16toUTF8 filePath(utf16FilePath);
|
|
nsRefPtr<nsPluginTag> pluginTag;
|
|
RemoveCachedPluginsInfo(filePath.get(), getter_AddRefs(pluginTag));
|
|
|
|
bool seenBefore = false;
|
|
|
|
if (pluginTag) {
|
|
seenBefore = true;
|
|
// If plugin changed, delete cachedPluginTag and don't use cache
|
|
if (fileModTime != pluginTag->mLastModifiedTime) {
|
|
// Plugins has changed. Don't use cached plugin info.
|
|
pluginTag = nullptr;
|
|
|
|
// plugin file changed, flag this fact
|
|
*aPluginsChanged = true;
|
|
}
|
|
|
|
// If we're not creating a list and we already know something changed then
|
|
// we're done.
|
|
if (!aCreatePluginList) {
|
|
if (*aPluginsChanged) {
|
|
return NS_OK;
|
|
}
|
|
continue;
|
|
}
|
|
}
|
|
|
|
bool isKnownInvalidPlugin = false;
|
|
for (nsRefPtr<nsInvalidPluginTag> invalidPlugins = mInvalidPlugins;
|
|
invalidPlugins; invalidPlugins = invalidPlugins->mNext) {
|
|
// If already marked as invalid, ignore it
|
|
if (invalidPlugins->mFullPath.Equals(filePath.get()) &&
|
|
invalidPlugins->mLastModifiedTime == fileModTime) {
|
|
if (aCreatePluginList) {
|
|
invalidPlugins->mSeen = true;
|
|
}
|
|
isKnownInvalidPlugin = true;
|
|
break;
|
|
}
|
|
}
|
|
if (isKnownInvalidPlugin) {
|
|
continue;
|
|
}
|
|
|
|
// if it is not found in cache info list or has been changed, create a new one
|
|
if (!pluginTag) {
|
|
nsPluginFile pluginFile(localfile);
|
|
|
|
// create a tag describing this plugin.
|
|
PRLibrary *library = nullptr;
|
|
nsPluginInfo info;
|
|
memset(&info, 0, sizeof(info));
|
|
nsresult res;
|
|
// Opening a block for the telemetry AutoTimer
|
|
{
|
|
Telemetry::AutoTimer<Telemetry::PLUGIN_LOAD_METADATA> telemetry;
|
|
res = pluginFile.GetPluginInfo(info, &library);
|
|
}
|
|
// if we don't have mime type don't proceed, this is not a plugin
|
|
if (NS_FAILED(res) || !info.fMimeTypeArray) {
|
|
nsRefPtr<nsInvalidPluginTag> invalidTag = new nsInvalidPluginTag(filePath.get(),
|
|
fileModTime);
|
|
pluginFile.FreePluginInfo(info);
|
|
|
|
if (aCreatePluginList) {
|
|
invalidTag->mSeen = true;
|
|
}
|
|
invalidTag->mNext = mInvalidPlugins;
|
|
if (mInvalidPlugins) {
|
|
mInvalidPlugins->mPrev = invalidTag;
|
|
}
|
|
mInvalidPlugins = invalidTag;
|
|
|
|
// Mark aPluginsChanged so pluginreg is rewritten
|
|
*aPluginsChanged = true;
|
|
continue;
|
|
}
|
|
|
|
pluginTag = new nsPluginTag(&info);
|
|
pluginFile.FreePluginInfo(info);
|
|
if (!pluginTag)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
pluginTag->mLibrary = library;
|
|
pluginTag->mLastModifiedTime = fileModTime;
|
|
uint32_t state = pluginTag->GetBlocklistState();
|
|
|
|
// If the blocklist says it is risky and we have never seen this
|
|
// plugin before, then disable it.
|
|
// If the blocklist says this is an outdated plugin, warn about
|
|
// outdated plugins.
|
|
if (state == nsIBlocklistService::STATE_SOFTBLOCKED && !seenBefore) {
|
|
pluginTag->SetEnabledState(nsIPluginTag::STATE_DISABLED);
|
|
}
|
|
if (state == nsIBlocklistService::STATE_OUTDATED && !seenBefore) {
|
|
warnOutdated = true;
|
|
}
|
|
|
|
// Plugin unloading is tag-based. If we created a new tag and loaded
|
|
// the library in the process then we want to attempt to unload it here.
|
|
// Only do this if the pref is set for aggressive unloading.
|
|
if (UnloadPluginsASAP()) {
|
|
pluginTag->TryUnloadPlugin(false);
|
|
}
|
|
}
|
|
|
|
// do it if we still want it
|
|
if (!seenBefore) {
|
|
// We have a valid new plugin so report that plugins have changed.
|
|
*aPluginsChanged = true;
|
|
}
|
|
|
|
// Avoid adding different versions of the same plugin if they are running
|
|
// in-process, otherwise we risk undefined behaviour.
|
|
if (!nsNPAPIPlugin::RunPluginOOP(pluginTag)) {
|
|
if (HaveSamePlugin(pluginTag)) {
|
|
continue;
|
|
}
|
|
}
|
|
|
|
// Don't add the same plugin again if it hasn't changed
|
|
if (nsPluginTag* duplicate = FirstPluginWithPath(pluginTag->mFullPath)) {
|
|
if (pluginTag->mLastModifiedTime == duplicate->mLastModifiedTime) {
|
|
continue;
|
|
}
|
|
}
|
|
|
|
// If we're not creating a plugin list, simply looking for changes,
|
|
// then we're done.
|
|
if (!aCreatePluginList) {
|
|
return NS_OK;
|
|
}
|
|
|
|
// Add plugin tags such that the list is ordered by modification date,
|
|
// newest to oldest. This is ugly, it'd be easier with just about anything
|
|
// other than a single-directional linked list.
|
|
if (mPlugins) {
|
|
nsPluginTag *prev = nullptr;
|
|
nsPluginTag *next = mPlugins;
|
|
while (next) {
|
|
if (pluginTag->mLastModifiedTime >= next->mLastModifiedTime) {
|
|
pluginTag->mNext = next;
|
|
if (prev) {
|
|
prev->mNext = pluginTag;
|
|
} else {
|
|
mPlugins = pluginTag;
|
|
}
|
|
break;
|
|
}
|
|
prev = next;
|
|
next = prev->mNext;
|
|
if (!next) {
|
|
prev->mNext = pluginTag;
|
|
}
|
|
}
|
|
} else {
|
|
mPlugins = pluginTag;
|
|
}
|
|
|
|
if (pluginTag->IsActive()) {
|
|
nsAdoptingCString disableFullPage =
|
|
Preferences::GetCString(kPrefDisableFullPage);
|
|
for (uint32_t i = 0; i < pluginTag->mMimeTypes.Length(); i++) {
|
|
if (!IsTypeInList(pluginTag->mMimeTypes[i], disableFullPage)) {
|
|
RegisterWithCategoryManager(pluginTag->mMimeTypes[i],
|
|
ePluginRegister);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (warnOutdated) {
|
|
Preferences::SetBool("plugins.update.notifyUser", true);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult nsPluginHost::ScanPluginsDirectoryList(nsISimpleEnumerator *dirEnum,
|
|
bool aCreatePluginList,
|
|
bool *aPluginsChanged)
|
|
{
|
|
bool hasMore;
|
|
while (NS_SUCCEEDED(dirEnum->HasMoreElements(&hasMore)) && hasMore) {
|
|
nsCOMPtr<nsISupports> supports;
|
|
nsresult rv = dirEnum->GetNext(getter_AddRefs(supports));
|
|
if (NS_FAILED(rv))
|
|
continue;
|
|
nsCOMPtr<nsIFile> nextDir(do_QueryInterface(supports, &rv));
|
|
if (NS_FAILED(rv))
|
|
continue;
|
|
|
|
// don't pass aPluginsChanged directly to prevent it from been reset
|
|
bool pluginschanged = false;
|
|
ScanPluginsDirectory(nextDir, aCreatePluginList, &pluginschanged);
|
|
|
|
if (pluginschanged)
|
|
*aPluginsChanged = true;
|
|
|
|
// if changes are detected and we are not creating the list, do not proceed
|
|
if (!aCreatePluginList && *aPluginsChanged)
|
|
break;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult nsPluginHost::LoadPlugins()
|
|
{
|
|
#ifdef ANDROID
|
|
if (XRE_GetProcessType() == GeckoProcessType_Content) {
|
|
return NS_OK;
|
|
}
|
|
#endif
|
|
// do not do anything if it is already done
|
|
// use ReloadPlugins() to enforce loading
|
|
if (mPluginsLoaded)
|
|
return NS_OK;
|
|
|
|
if (mPluginsDisabled)
|
|
return NS_OK;
|
|
|
|
bool pluginschanged;
|
|
nsresult rv = FindPlugins(true, &pluginschanged);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
// only if plugins have changed will we notify plugin-change observers
|
|
if (pluginschanged) {
|
|
nsCOMPtr<nsIObserverService> obsService =
|
|
mozilla::services::GetObserverService();
|
|
if (obsService)
|
|
obsService->NotifyObservers(nullptr, "plugins-list-updated", nullptr);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
// if aCreatePluginList is false we will just scan for plugins
|
|
// and see if any changes have been made to the plugins.
|
|
// This is needed in ReloadPlugins to prevent possible recursive reloads
|
|
nsresult nsPluginHost::FindPlugins(bool aCreatePluginList, bool * aPluginsChanged)
|
|
{
|
|
Telemetry::AutoTimer<Telemetry::FIND_PLUGINS> telemetry;
|
|
|
|
NS_ENSURE_ARG_POINTER(aPluginsChanged);
|
|
|
|
*aPluginsChanged = false;
|
|
nsresult rv;
|
|
|
|
// Read cached plugins info. If the profile isn't yet available then don't
|
|
// scan for plugins
|
|
if (ReadPluginInfo() == NS_ERROR_NOT_AVAILABLE)
|
|
return NS_OK;
|
|
|
|
#ifdef XP_WIN
|
|
// Failure here is not a show-stopper so just warn.
|
|
rv = EnsurePrivateDirServiceProvider();
|
|
NS_ASSERTION(NS_SUCCEEDED(rv), "Failed to register dir service provider.");
|
|
#endif /* XP_WIN */
|
|
|
|
nsCOMPtr<nsIProperties> dirService(do_GetService(kDirectoryServiceContractID, &rv));
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
nsCOMPtr<nsISimpleEnumerator> dirList;
|
|
|
|
// Scan plugins directories;
|
|
// don't pass aPluginsChanged directly, to prevent its
|
|
// possible reset in subsequent ScanPluginsDirectory calls
|
|
bool pluginschanged = false;
|
|
|
|
// Scan the app-defined list of plugin dirs.
|
|
rv = dirService->Get(NS_APP_PLUGINS_DIR_LIST, NS_GET_IID(nsISimpleEnumerator), getter_AddRefs(dirList));
|
|
if (NS_SUCCEEDED(rv)) {
|
|
ScanPluginsDirectoryList(dirList, aCreatePluginList, &pluginschanged);
|
|
|
|
if (pluginschanged)
|
|
*aPluginsChanged = true;
|
|
|
|
// if we are just looking for possible changes,
|
|
// no need to proceed if changes are detected
|
|
if (!aCreatePluginList && *aPluginsChanged) {
|
|
NS_ITERATIVE_UNREF_LIST(nsRefPtr<nsPluginTag>, mCachedPlugins, mNext);
|
|
NS_ITERATIVE_UNREF_LIST(nsRefPtr<nsInvalidPluginTag>, mInvalidPlugins, mNext);
|
|
return NS_OK;
|
|
}
|
|
} else {
|
|
#ifdef ANDROID
|
|
LOG("getting plugins dir failed");
|
|
#endif
|
|
}
|
|
|
|
mPluginsLoaded = true; // at this point 'some' plugins have been loaded,
|
|
// the rest is optional
|
|
|
|
#ifdef XP_WIN
|
|
bool bScanPLIDs = Preferences::GetBool("plugin.scan.plid.all", false);
|
|
|
|
// Now lets scan any PLID directories
|
|
if (bScanPLIDs && mPrivateDirServiceProvider) {
|
|
rv = mPrivateDirServiceProvider->GetPLIDDirectories(getter_AddRefs(dirList));
|
|
if (NS_SUCCEEDED(rv)) {
|
|
ScanPluginsDirectoryList(dirList, aCreatePluginList, &pluginschanged);
|
|
|
|
if (pluginschanged)
|
|
*aPluginsChanged = true;
|
|
|
|
// if we are just looking for possible changes,
|
|
// no need to proceed if changes are detected
|
|
if (!aCreatePluginList && *aPluginsChanged) {
|
|
NS_ITERATIVE_UNREF_LIST(nsRefPtr<nsPluginTag>, mCachedPlugins, mNext);
|
|
NS_ITERATIVE_UNREF_LIST(nsRefPtr<nsInvalidPluginTag>, mInvalidPlugins, mNext);
|
|
return NS_OK;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// Scan the installation paths of our popular plugins if the prefs are enabled
|
|
|
|
// This table controls the order of scanning
|
|
const char* const prefs[] = {NS_WIN_ACROBAT_SCAN_KEY,
|
|
NS_WIN_QUICKTIME_SCAN_KEY,
|
|
NS_WIN_WMP_SCAN_KEY};
|
|
|
|
uint32_t size = sizeof(prefs) / sizeof(prefs[0]);
|
|
|
|
for (uint32_t i = 0; i < size; i+=1) {
|
|
nsCOMPtr<nsIFile> dirToScan;
|
|
bool bExists;
|
|
if (NS_SUCCEEDED(dirService->Get(prefs[i], NS_GET_IID(nsIFile), getter_AddRefs(dirToScan))) &&
|
|
dirToScan &&
|
|
NS_SUCCEEDED(dirToScan->Exists(&bExists)) &&
|
|
bExists) {
|
|
|
|
ScanPluginsDirectory(dirToScan, aCreatePluginList, &pluginschanged);
|
|
|
|
if (pluginschanged)
|
|
*aPluginsChanged = true;
|
|
|
|
// if we are just looking for possible changes,
|
|
// no need to proceed if changes are detected
|
|
if (!aCreatePluginList && *aPluginsChanged) {
|
|
NS_ITERATIVE_UNREF_LIST(nsRefPtr<nsPluginTag>, mCachedPlugins, mNext);
|
|
NS_ITERATIVE_UNREF_LIST(nsRefPtr<nsInvalidPluginTag>, mInvalidPlugins, mNext);
|
|
return NS_OK;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
// We should also consider plugins to have changed if any plugins have been removed.
|
|
// We'll know if any were removed if they weren't taken out of the cached plugins list
|
|
// during our scan, thus we can assume something was removed if the cached plugins list
|
|
// contains anything.
|
|
if (!*aPluginsChanged && mCachedPlugins) {
|
|
*aPluginsChanged = true;
|
|
}
|
|
|
|
// Remove unseen invalid plugins
|
|
nsRefPtr<nsInvalidPluginTag> invalidPlugins = mInvalidPlugins;
|
|
while (invalidPlugins) {
|
|
if (!invalidPlugins->mSeen) {
|
|
nsRefPtr<nsInvalidPluginTag> invalidPlugin = invalidPlugins;
|
|
|
|
if (invalidPlugin->mPrev) {
|
|
invalidPlugin->mPrev->mNext = invalidPlugin->mNext;
|
|
}
|
|
else {
|
|
mInvalidPlugins = invalidPlugin->mNext;
|
|
}
|
|
if (invalidPlugin->mNext) {
|
|
invalidPlugin->mNext->mPrev = invalidPlugin->mPrev;
|
|
}
|
|
|
|
invalidPlugins = invalidPlugin->mNext;
|
|
|
|
invalidPlugin->mPrev = nullptr;
|
|
invalidPlugin->mNext = nullptr;
|
|
}
|
|
else {
|
|
invalidPlugins->mSeen = false;
|
|
invalidPlugins = invalidPlugins->mNext;
|
|
}
|
|
}
|
|
|
|
// if we are not creating the list, there is no need to proceed
|
|
if (!aCreatePluginList) {
|
|
NS_ITERATIVE_UNREF_LIST(nsRefPtr<nsPluginTag>, mCachedPlugins, mNext);
|
|
NS_ITERATIVE_UNREF_LIST(nsRefPtr<nsInvalidPluginTag>, mInvalidPlugins, mNext);
|
|
return NS_OK;
|
|
}
|
|
|
|
// if we are creating the list, it is already done;
|
|
// update the plugins info cache if changes are detected
|
|
if (*aPluginsChanged)
|
|
WritePluginInfo();
|
|
|
|
// No more need for cached plugins. Clear it up.
|
|
NS_ITERATIVE_UNREF_LIST(nsRefPtr<nsPluginTag>, mCachedPlugins, mNext);
|
|
NS_ITERATIVE_UNREF_LIST(nsRefPtr<nsInvalidPluginTag>, mInvalidPlugins, mNext);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsPluginHost::UpdatePluginInfo(nsPluginTag* aPluginTag)
|
|
{
|
|
ReadPluginInfo();
|
|
WritePluginInfo();
|
|
NS_ITERATIVE_UNREF_LIST(nsRefPtr<nsPluginTag>, mCachedPlugins, mNext);
|
|
NS_ITERATIVE_UNREF_LIST(nsRefPtr<nsInvalidPluginTag>, mInvalidPlugins, mNext);
|
|
|
|
if (!aPluginTag) {
|
|
return NS_OK;
|
|
}
|
|
|
|
// Update types with category manager
|
|
nsAdoptingCString disableFullPage =
|
|
Preferences::GetCString(kPrefDisableFullPage);
|
|
for (uint32_t i = 0; i < aPluginTag->mMimeTypes.Length(); i++) {
|
|
nsRegisterType shouldRegister;
|
|
|
|
if (IsTypeInList(aPluginTag->mMimeTypes[i], disableFullPage)) {
|
|
shouldRegister = ePluginUnregister;
|
|
} else {
|
|
nsPluginTag *plugin = FindPluginForType(aPluginTag->mMimeTypes[i].get(),
|
|
true);
|
|
shouldRegister = plugin ? ePluginRegister : ePluginUnregister;
|
|
}
|
|
|
|
RegisterWithCategoryManager(aPluginTag->mMimeTypes[i], shouldRegister);
|
|
}
|
|
|
|
nsCOMPtr<nsIObserverService> obsService =
|
|
mozilla::services::GetObserverService();
|
|
if (obsService)
|
|
obsService->NotifyObservers(nullptr, "plugin-info-updated", nullptr);
|
|
|
|
// Reload instances if needed
|
|
if (aPluginTag->IsActive()) {
|
|
return NS_OK;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
/* static */ bool
|
|
nsPluginHost::IsTypeWhitelisted(const char *aMimeType)
|
|
{
|
|
nsAdoptingCString whitelist = Preferences::GetCString(kPrefWhitelist);
|
|
if (!whitelist.Length()) {
|
|
return true;
|
|
}
|
|
nsDependentCString wrap(aMimeType);
|
|
return IsTypeInList(wrap, whitelist);
|
|
}
|
|
|
|
void
|
|
nsPluginHost::RegisterWithCategoryManager(nsCString &aMimeType,
|
|
nsRegisterType aType)
|
|
{
|
|
PLUGIN_LOG(PLUGIN_LOG_NORMAL,
|
|
("nsPluginTag::RegisterWithCategoryManager type = %s, removing = %s\n",
|
|
aMimeType.get(), aType == ePluginUnregister ? "yes" : "no"));
|
|
|
|
nsCOMPtr<nsICategoryManager> catMan =
|
|
do_GetService(NS_CATEGORYMANAGER_CONTRACTID);
|
|
if (!catMan) {
|
|
return;
|
|
}
|
|
|
|
const char *contractId =
|
|
"@mozilla.org/content/plugin/document-loader-factory;1";
|
|
|
|
if (aType == ePluginRegister) {
|
|
catMan->AddCategoryEntry("Gecko-Content-Viewers",
|
|
aMimeType.get(),
|
|
contractId,
|
|
false, /* persist: broken by bug 193031 */
|
|
mOverrideInternalTypes,
|
|
nullptr);
|
|
} else {
|
|
// Only delete the entry if a plugin registered for it
|
|
nsXPIDLCString value;
|
|
nsresult rv = catMan->GetCategoryEntry("Gecko-Content-Viewers",
|
|
aMimeType.get(),
|
|
getter_Copies(value));
|
|
if (NS_SUCCEEDED(rv) && strcmp(value, contractId) == 0) {
|
|
catMan->DeleteCategoryEntry("Gecko-Content-Viewers",
|
|
aMimeType.get(),
|
|
true);
|
|
}
|
|
}
|
|
}
|
|
|
|
nsresult
|
|
nsPluginHost::WritePluginInfo()
|
|
{
|
|
|
|
nsresult rv = NS_OK;
|
|
nsCOMPtr<nsIProperties> directoryService(do_GetService(NS_DIRECTORY_SERVICE_CONTRACTID,&rv));
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
directoryService->Get(NS_APP_USER_PROFILE_50_DIR, NS_GET_IID(nsIFile),
|
|
getter_AddRefs(mPluginRegFile));
|
|
|
|
if (!mPluginRegFile)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
PRFileDesc* fd = nullptr;
|
|
|
|
nsCOMPtr<nsIFile> pluginReg;
|
|
|
|
rv = mPluginRegFile->Clone(getter_AddRefs(pluginReg));
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
nsAutoCString filename(kPluginRegistryFilename);
|
|
filename.Append(".tmp");
|
|
rv = pluginReg->AppendNative(filename);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
rv = pluginReg->OpenNSPRFileDesc(PR_WRONLY | PR_CREATE_FILE | PR_TRUNCATE, 0600, &fd);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
nsCOMPtr<nsIXULRuntime> runtime = do_GetService("@mozilla.org/xre/runtime;1");
|
|
if (!runtime) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
nsAutoCString arch;
|
|
rv = runtime->GetXPCOMABI(arch);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
PR_fprintf(fd, "Generated File. Do not edit.\n");
|
|
|
|
PR_fprintf(fd, "\n[HEADER]\nVersion%c%s%c%c\nArch%c%s%c%c\n",
|
|
PLUGIN_REGISTRY_FIELD_DELIMITER,
|
|
kPluginRegistryVersion,
|
|
PLUGIN_REGISTRY_FIELD_DELIMITER,
|
|
PLUGIN_REGISTRY_END_OF_LINE_MARKER,
|
|
PLUGIN_REGISTRY_FIELD_DELIMITER,
|
|
arch.get(),
|
|
PLUGIN_REGISTRY_FIELD_DELIMITER,
|
|
PLUGIN_REGISTRY_END_OF_LINE_MARKER);
|
|
|
|
// Store all plugins in the mPlugins list - all plugins currently in use.
|
|
PR_fprintf(fd, "\n[PLUGINS]\n");
|
|
|
|
for (nsPluginTag *tag = mPlugins; tag; tag = tag->mNext) {
|
|
// store each plugin info into the registry
|
|
// filename & fullpath are on separate line
|
|
// because they can contain field delimiter char
|
|
PR_fprintf(fd, "%s%c%c\n%s%c%c\n%s%c%c\n",
|
|
(tag->mFileName.get()),
|
|
PLUGIN_REGISTRY_FIELD_DELIMITER,
|
|
PLUGIN_REGISTRY_END_OF_LINE_MARKER,
|
|
(tag->mFullPath.get()),
|
|
PLUGIN_REGISTRY_FIELD_DELIMITER,
|
|
PLUGIN_REGISTRY_END_OF_LINE_MARKER,
|
|
(tag->mVersion.get()),
|
|
PLUGIN_REGISTRY_FIELD_DELIMITER,
|
|
PLUGIN_REGISTRY_END_OF_LINE_MARKER);
|
|
|
|
// lastModifiedTimeStamp|canUnload|tag->mFlags
|
|
PR_fprintf(fd, "%lld%c%d%c%lu%c%c\n",
|
|
tag->mLastModifiedTime,
|
|
PLUGIN_REGISTRY_FIELD_DELIMITER,
|
|
false, // did store whether or not to unload in-process plugins
|
|
PLUGIN_REGISTRY_FIELD_DELIMITER,
|
|
0, // legacy field for flags
|
|
PLUGIN_REGISTRY_FIELD_DELIMITER,
|
|
PLUGIN_REGISTRY_END_OF_LINE_MARKER);
|
|
|
|
//description, name & mtypecount are on separate line
|
|
PR_fprintf(fd, "%s%c%c\n%s%c%c\n%d\n",
|
|
(tag->mDescription.get()),
|
|
PLUGIN_REGISTRY_FIELD_DELIMITER,
|
|
PLUGIN_REGISTRY_END_OF_LINE_MARKER,
|
|
(tag->mName.get()),
|
|
PLUGIN_REGISTRY_FIELD_DELIMITER,
|
|
PLUGIN_REGISTRY_END_OF_LINE_MARKER,
|
|
tag->mMimeTypes.Length());
|
|
|
|
// Add in each mimetype this plugin supports
|
|
for (uint32_t i = 0; i < tag->mMimeTypes.Length(); i++) {
|
|
PR_fprintf(fd, "%d%c%s%c%s%c%s%c%c\n",
|
|
i,PLUGIN_REGISTRY_FIELD_DELIMITER,
|
|
(tag->mMimeTypes[i].get()),
|
|
PLUGIN_REGISTRY_FIELD_DELIMITER,
|
|
(tag->mMimeDescriptions[i].get()),
|
|
PLUGIN_REGISTRY_FIELD_DELIMITER,
|
|
(tag->mExtensions[i].get()),
|
|
PLUGIN_REGISTRY_FIELD_DELIMITER,
|
|
PLUGIN_REGISTRY_END_OF_LINE_MARKER);
|
|
}
|
|
}
|
|
|
|
PR_fprintf(fd, "\n[INVALID]\n");
|
|
|
|
nsRefPtr<nsInvalidPluginTag> invalidPlugins = mInvalidPlugins;
|
|
while (invalidPlugins) {
|
|
// fullPath
|
|
PR_fprintf(fd, "%s%c%c\n",
|
|
(!invalidPlugins->mFullPath.IsEmpty() ? invalidPlugins->mFullPath.get() : ""),
|
|
PLUGIN_REGISTRY_FIELD_DELIMITER,
|
|
PLUGIN_REGISTRY_END_OF_LINE_MARKER);
|
|
|
|
// lastModifiedTimeStamp
|
|
PR_fprintf(fd, "%lld%c%c\n",
|
|
invalidPlugins->mLastModifiedTime,
|
|
PLUGIN_REGISTRY_FIELD_DELIMITER,
|
|
PLUGIN_REGISTRY_END_OF_LINE_MARKER);
|
|
|
|
invalidPlugins = invalidPlugins->mNext;
|
|
}
|
|
|
|
PR_Close(fd);
|
|
nsCOMPtr<nsIFile> parent;
|
|
rv = pluginReg->GetParent(getter_AddRefs(parent));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
rv = pluginReg->MoveToNative(parent, kPluginRegistryFilename);
|
|
return rv;
|
|
}
|
|
|
|
nsresult
|
|
nsPluginHost::ReadPluginInfo()
|
|
{
|
|
const long PLUGIN_REG_MIMETYPES_ARRAY_SIZE = 12;
|
|
const long PLUGIN_REG_MAX_MIMETYPES = 1000;
|
|
|
|
// we need to import the legacy flags from the plugin registry once
|
|
const bool pluginStateImported =
|
|
Preferences::GetDefaultBool("plugin.importedState", false);
|
|
|
|
nsresult rv;
|
|
|
|
nsCOMPtr<nsIProperties> directoryService(do_GetService(NS_DIRECTORY_SERVICE_CONTRACTID,&rv));
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
directoryService->Get(NS_APP_USER_PROFILE_50_DIR, NS_GET_IID(nsIFile),
|
|
getter_AddRefs(mPluginRegFile));
|
|
|
|
if (!mPluginRegFile) {
|
|
// There is no profile yet, this will tell us if there is going to be one
|
|
// in the future.
|
|
directoryService->Get(NS_APP_PROFILE_DIR_STARTUP, NS_GET_IID(nsIFile),
|
|
getter_AddRefs(mPluginRegFile));
|
|
if (!mPluginRegFile)
|
|
return NS_ERROR_FAILURE;
|
|
else
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
|
|
PRFileDesc* fd = nullptr;
|
|
|
|
nsCOMPtr<nsIFile> pluginReg;
|
|
|
|
rv = mPluginRegFile->Clone(getter_AddRefs(pluginReg));
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
rv = pluginReg->AppendNative(kPluginRegistryFilename);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
int64_t fileSize;
|
|
rv = pluginReg->GetFileSize(&fileSize);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
if (fileSize > INT32_MAX) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
int32_t flen = int32_t(fileSize);
|
|
if (flen == 0) {
|
|
NS_WARNING("Plugins Registry Empty!");
|
|
return NS_OK; // ERROR CONDITION
|
|
}
|
|
|
|
nsPluginManifestLineReader reader;
|
|
char* registry = reader.Init(flen);
|
|
if (!registry)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
rv = pluginReg->OpenNSPRFileDesc(PR_RDONLY, 0444, &fd);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
// set rv to return an error on goto out
|
|
rv = NS_ERROR_FAILURE;
|
|
|
|
int32_t bread = PR_Read(fd, registry, flen);
|
|
PR_Close(fd);
|
|
|
|
if (flen > bread)
|
|
return rv;
|
|
|
|
if (!ReadSectionHeader(reader, "HEADER"))
|
|
return rv;;
|
|
|
|
if (!reader.NextLine())
|
|
return rv;
|
|
|
|
char* values[6];
|
|
|
|
// VersionLiteral, kPluginRegistryVersion
|
|
if (2 != reader.ParseLine(values, 2))
|
|
return rv;
|
|
|
|
// VersionLiteral
|
|
if (PL_strcmp(values[0], "Version"))
|
|
return rv;
|
|
|
|
// kPluginRegistryVersion
|
|
int32_t vdiff = mozilla::CompareVersions(values[1], kPluginRegistryVersion);
|
|
mozilla::Version version(values[1]);
|
|
// If this is a registry from some future version then don't attempt to read it
|
|
if (vdiff > 0)
|
|
return rv;
|
|
// If this is a registry from before the minimum then don't attempt to read it
|
|
if (version < kMinimumRegistryVersion)
|
|
return rv;
|
|
|
|
// Registry v0.10 and upwards includes the plugin version field
|
|
bool regHasVersion = (version >= "0.10");
|
|
|
|
// Registry v0.13 and upwards includes the architecture
|
|
if (version >= "0.13") {
|
|
char* archValues[6];
|
|
|
|
if (!reader.NextLine()) {
|
|
return rv;
|
|
}
|
|
|
|
// ArchLiteral, Architecture
|
|
if (2 != reader.ParseLine(archValues, 2)) {
|
|
return rv;
|
|
}
|
|
|
|
// ArchLiteral
|
|
if (PL_strcmp(archValues[0], "Arch")) {
|
|
return rv;
|
|
}
|
|
|
|
nsCOMPtr<nsIXULRuntime> runtime = do_GetService("@mozilla.org/xre/runtime;1");
|
|
if (!runtime) {
|
|
return rv;
|
|
}
|
|
|
|
nsAutoCString arch;
|
|
if (NS_FAILED(runtime->GetXPCOMABI(arch))) {
|
|
return rv;
|
|
}
|
|
|
|
// If this is a registry from a different architecture then don't attempt to read it
|
|
if (PL_strcmp(archValues[1], arch.get())) {
|
|
return rv;
|
|
}
|
|
}
|
|
|
|
// Registry v0.13 and upwards includes the list of invalid plugins
|
|
bool hasInvalidPlugins = (version >= "0.13");
|
|
|
|
// Registry v0.16 and upwards always have 0 for their plugin flags, prefs are used instead
|
|
const bool hasValidFlags = (version < "0.16");
|
|
|
|
if (!ReadSectionHeader(reader, "PLUGINS"))
|
|
return rv;
|
|
|
|
#if defined(XP_MACOSX)
|
|
bool hasFullPathInFileNameField = false;
|
|
#else
|
|
bool hasFullPathInFileNameField = (version < "0.11");
|
|
#endif
|
|
|
|
while (reader.NextLine()) {
|
|
const char *filename;
|
|
const char *fullpath;
|
|
nsAutoCString derivedFileName;
|
|
|
|
if (hasInvalidPlugins && *reader.LinePtr() == '[') {
|
|
break;
|
|
}
|
|
|
|
if (hasFullPathInFileNameField) {
|
|
fullpath = reader.LinePtr();
|
|
if (!reader.NextLine())
|
|
return rv;
|
|
// try to derive a file name from the full path
|
|
if (fullpath) {
|
|
nsCOMPtr<nsIFile> file = do_CreateInstance("@mozilla.org/file/local;1");
|
|
file->InitWithNativePath(nsDependentCString(fullpath));
|
|
file->GetNativeLeafName(derivedFileName);
|
|
filename = derivedFileName.get();
|
|
} else {
|
|
filename = nullptr;
|
|
}
|
|
|
|
// skip the next line, useless in this version
|
|
if (!reader.NextLine())
|
|
return rv;
|
|
} else {
|
|
filename = reader.LinePtr();
|
|
if (!reader.NextLine())
|
|
return rv;
|
|
|
|
fullpath = reader.LinePtr();
|
|
if (!reader.NextLine())
|
|
return rv;
|
|
}
|
|
|
|
const char *version;
|
|
if (regHasVersion) {
|
|
version = reader.LinePtr();
|
|
if (!reader.NextLine())
|
|
return rv;
|
|
} else {
|
|
version = "0";
|
|
}
|
|
|
|
// lastModifiedTimeStamp|canUnload|tag.mFlag
|
|
if (reader.ParseLine(values, 3) != 3)
|
|
return rv;
|
|
|
|
// If this is an old plugin registry mark this plugin tag to be refreshed
|
|
int64_t lastmod = (vdiff == 0) ? nsCRT::atoll(values[0]) : -1;
|
|
uint32_t tagflag = atoi(values[2]);
|
|
if (!reader.NextLine())
|
|
return rv;
|
|
|
|
char *description = reader.LinePtr();
|
|
if (!reader.NextLine())
|
|
return rv;
|
|
|
|
#if MOZ_WIDGET_ANDROID
|
|
// Flash on Android does not populate the version field, but it is tacked on to the description.
|
|
// For example, "Shockwave Flash 11.1 r115"
|
|
if (PL_strncmp("Shockwave Flash ", description, 16) == 0 && description[16]) {
|
|
version = &description[16];
|
|
}
|
|
#endif
|
|
|
|
const char *name = reader.LinePtr();
|
|
if (!reader.NextLine())
|
|
return rv;
|
|
|
|
long mimetypecount = std::strtol(reader.LinePtr(), nullptr, 10);
|
|
if (mimetypecount == LONG_MAX || mimetypecount == LONG_MIN ||
|
|
mimetypecount >= PLUGIN_REG_MAX_MIMETYPES || mimetypecount < 0) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
char *stackalloced[PLUGIN_REG_MIMETYPES_ARRAY_SIZE * 3];
|
|
char **mimetypes;
|
|
char **mimedescriptions;
|
|
char **extensions;
|
|
char **heapalloced = 0;
|
|
if (mimetypecount > PLUGIN_REG_MIMETYPES_ARRAY_SIZE - 1) {
|
|
heapalloced = new char *[mimetypecount * 3];
|
|
mimetypes = heapalloced;
|
|
} else {
|
|
mimetypes = stackalloced;
|
|
}
|
|
mimedescriptions = mimetypes + mimetypecount;
|
|
extensions = mimedescriptions + mimetypecount;
|
|
|
|
int mtr = 0; //mimetype read
|
|
for (; mtr < mimetypecount; mtr++) {
|
|
if (!reader.NextLine())
|
|
break;
|
|
|
|
//line number|mimetype|description|extension
|
|
if (4 != reader.ParseLine(values, 4))
|
|
break;
|
|
int line = atoi(values[0]);
|
|
if (line != mtr)
|
|
break;
|
|
mimetypes[mtr] = values[1];
|
|
mimedescriptions[mtr] = values[2];
|
|
extensions[mtr] = values[3];
|
|
}
|
|
|
|
if (mtr != mimetypecount) {
|
|
if (heapalloced) {
|
|
delete [] heapalloced;
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
nsRefPtr<nsPluginTag> tag = new nsPluginTag(name,
|
|
description,
|
|
filename,
|
|
fullpath,
|
|
version,
|
|
(const char* const*)mimetypes,
|
|
(const char* const*)mimedescriptions,
|
|
(const char* const*)extensions,
|
|
mimetypecount, lastmod, true);
|
|
if (heapalloced)
|
|
delete [] heapalloced;
|
|
|
|
// Import flags from registry into prefs for old registry versions
|
|
if (hasValidFlags && !pluginStateImported) {
|
|
tag->ImportFlagsToPrefs(tagflag);
|
|
}
|
|
|
|
PR_LOG(nsPluginLogging::gPluginLog, PLUGIN_LOG_BASIC,
|
|
("LoadCachedPluginsInfo : Loading Cached plugininfo for %s\n", tag->mFileName.get()));
|
|
tag->mNext = mCachedPlugins;
|
|
mCachedPlugins = tag;
|
|
}
|
|
|
|
if (hasInvalidPlugins) {
|
|
if (!ReadSectionHeader(reader, "INVALID")) {
|
|
return rv;
|
|
}
|
|
|
|
while (reader.NextLine()) {
|
|
const char *fullpath = reader.LinePtr();
|
|
if (!reader.NextLine()) {
|
|
return rv;
|
|
}
|
|
|
|
const char *lastModifiedTimeStamp = reader.LinePtr();
|
|
int64_t lastmod = (vdiff == 0) ? nsCRT::atoll(lastModifiedTimeStamp) : -1;
|
|
|
|
nsRefPtr<nsInvalidPluginTag> invalidTag = new nsInvalidPluginTag(fullpath, lastmod);
|
|
|
|
invalidTag->mNext = mInvalidPlugins;
|
|
if (mInvalidPlugins) {
|
|
mInvalidPlugins->mPrev = invalidTag;
|
|
}
|
|
mInvalidPlugins = invalidTag;
|
|
}
|
|
}
|
|
|
|
// flip the pref so we don't import the legacy flags again
|
|
Preferences::SetBool("plugin.importedState", true);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
nsPluginHost::RemoveCachedPluginsInfo(const char *filePath, nsPluginTag **result)
|
|
{
|
|
nsRefPtr<nsPluginTag> prev;
|
|
nsRefPtr<nsPluginTag> tag = mCachedPlugins;
|
|
while (tag)
|
|
{
|
|
if (tag->mFullPath.Equals(filePath)) {
|
|
// Found it. Remove it from our list
|
|
if (prev)
|
|
prev->mNext = tag->mNext;
|
|
else
|
|
mCachedPlugins = tag->mNext;
|
|
tag->mNext = nullptr;
|
|
*result = tag;
|
|
NS_ADDREF(*result);
|
|
break;
|
|
}
|
|
prev = tag;
|
|
tag = tag->mNext;
|
|
}
|
|
}
|
|
|
|
#ifdef XP_WIN
|
|
nsresult
|
|
nsPluginHost::EnsurePrivateDirServiceProvider()
|
|
{
|
|
if (!mPrivateDirServiceProvider) {
|
|
nsresult rv;
|
|
mPrivateDirServiceProvider = new nsPluginDirServiceProvider();
|
|
if (!mPrivateDirServiceProvider)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
nsCOMPtr<nsIDirectoryService> dirService(do_GetService(kDirectoryServiceContractID, &rv));
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
rv = dirService->RegisterProvider(mPrivateDirServiceProvider);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
#endif /* XP_WIN */
|
|
|
|
nsresult nsPluginHost::NewPluginURLStream(const nsString& aURL,
|
|
nsNPAPIPluginInstance *aInstance,
|
|
nsNPAPIPluginStreamListener* aListener,
|
|
nsIInputStream *aPostStream,
|
|
const char *aHeadersData,
|
|
uint32_t aHeadersDataLen)
|
|
{
|
|
nsCOMPtr<nsIURI> url;
|
|
nsAutoString absUrl;
|
|
nsresult rv;
|
|
|
|
if (aURL.Length() <= 0)
|
|
return NS_OK;
|
|
|
|
// get the base URI for the plugin to create an absolute url
|
|
// in case aURL is relative
|
|
nsRefPtr<nsPluginInstanceOwner> owner = aInstance->GetOwner();
|
|
if (owner) {
|
|
rv = NS_MakeAbsoluteURI(absUrl, aURL, nsCOMPtr<nsIURI>(owner->GetBaseURI()));
|
|
}
|
|
|
|
if (absUrl.IsEmpty())
|
|
absUrl.Assign(aURL);
|
|
|
|
rv = NS_NewURI(getter_AddRefs(url), absUrl);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
nsCOMPtr<nsIDOMElement> element;
|
|
nsCOMPtr<nsIDocument> doc;
|
|
if (owner) {
|
|
owner->GetDOMElement(getter_AddRefs(element));
|
|
owner->GetDocument(getter_AddRefs(doc));
|
|
}
|
|
|
|
int16_t shouldLoad = nsIContentPolicy::ACCEPT;
|
|
rv = NS_CheckContentLoadPolicy(nsIContentPolicy::TYPE_OBJECT_SUBREQUEST,
|
|
url,
|
|
(doc ? doc->NodePrincipal() : nullptr),
|
|
element,
|
|
EmptyCString(), //mime guess
|
|
nullptr, //extra
|
|
&shouldLoad);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
if (NS_CP_REJECTED(shouldLoad)) {
|
|
// Disallowed by content policy
|
|
return NS_ERROR_CONTENT_BLOCKED;
|
|
}
|
|
|
|
nsRefPtr<nsPluginStreamListenerPeer> listenerPeer = new nsPluginStreamListenerPeer();
|
|
if (!listenerPeer)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
rv = listenerPeer->Initialize(url, aInstance, aListener);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
nsCOMPtr<nsIChannel> channel;
|
|
rv = NS_NewChannel(getter_AddRefs(channel), url, nullptr,
|
|
nullptr, /* do not add this internal plugin's channel
|
|
on the load group otherwise this channel could be canceled
|
|
form |nsDocShell::OnLinkClickSync| bug 166613 */
|
|
listenerPeer);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
if (doc) {
|
|
// Set the owner of channel to the document principal...
|
|
channel->SetOwner(doc->NodePrincipal());
|
|
|
|
// And if it's a script allow it to execute against the
|
|
// document's script context.
|
|
nsCOMPtr<nsIScriptChannel> scriptChannel(do_QueryInterface(channel));
|
|
if (scriptChannel) {
|
|
scriptChannel->SetExecutionPolicy(nsIScriptChannel::EXECUTE_NORMAL);
|
|
// Plug-ins seem to depend on javascript: URIs running synchronously
|
|
scriptChannel->SetExecuteAsync(false);
|
|
}
|
|
}
|
|
|
|
// deal with headers and post data
|
|
nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(channel));
|
|
if (httpChannel) {
|
|
if (!aPostStream) {
|
|
// Only set the Referer header for GET requests because IIS throws
|
|
// errors about malformed requests if we include it in POSTs. See
|
|
// bug 724465.
|
|
nsCOMPtr<nsIURI> referer;
|
|
|
|
nsCOMPtr<nsIObjectLoadingContent> olc = do_QueryInterface(element);
|
|
if (olc)
|
|
olc->GetSrcURI(getter_AddRefs(referer));
|
|
|
|
|
|
if (!referer) {
|
|
if (!doc) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
referer = doc->GetDocumentURI();
|
|
}
|
|
|
|
rv = httpChannel->SetReferrer(referer);
|
|
NS_ENSURE_SUCCESS(rv,rv);
|
|
}
|
|
|
|
if (aPostStream) {
|
|
// XXX it's a bit of a hack to rewind the postdata stream
|
|
// here but it has to be done in case the post data is
|
|
// being reused multiple times.
|
|
nsCOMPtr<nsISeekableStream>
|
|
postDataSeekable(do_QueryInterface(aPostStream));
|
|
if (postDataSeekable)
|
|
postDataSeekable->Seek(nsISeekableStream::NS_SEEK_SET, 0);
|
|
|
|
nsCOMPtr<nsIUploadChannel> uploadChannel(do_QueryInterface(httpChannel));
|
|
NS_ASSERTION(uploadChannel, "http must support nsIUploadChannel");
|
|
|
|
uploadChannel->SetUploadStream(aPostStream, EmptyCString(), -1);
|
|
}
|
|
|
|
if (aHeadersData) {
|
|
rv = AddHeadersToChannel(aHeadersData, aHeadersDataLen, httpChannel);
|
|
NS_ENSURE_SUCCESS(rv,rv);
|
|
}
|
|
}
|
|
rv = channel->AsyncOpen(listenerPeer, nullptr);
|
|
if (NS_SUCCEEDED(rv))
|
|
listenerPeer->TrackRequest(channel);
|
|
return rv;
|
|
}
|
|
|
|
// Called by GetURL and PostURL
|
|
nsresult
|
|
nsPluginHost::DoURLLoadSecurityCheck(nsNPAPIPluginInstance *aInstance,
|
|
const char* aURL)
|
|
{
|
|
if (!aURL || *aURL == '\0')
|
|
return NS_OK;
|
|
|
|
// get the base URI for the plugin element
|
|
nsRefPtr<nsPluginInstanceOwner> owner = aInstance->GetOwner();
|
|
if (!owner)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsIURI> baseURI = owner->GetBaseURI();
|
|
if (!baseURI)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// Create an absolute URL for the target in case the target is relative
|
|
nsCOMPtr<nsIURI> targetURL;
|
|
NS_NewURI(getter_AddRefs(targetURL), aURL, baseURI);
|
|
if (!targetURL)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsIDocument> doc;
|
|
owner->GetDocument(getter_AddRefs(doc));
|
|
if (!doc)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsresult rv;
|
|
nsCOMPtr<nsIScriptSecurityManager> secMan(
|
|
do_GetService(NS_SCRIPTSECURITYMANAGER_CONTRACTID, &rv));
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
return secMan->CheckLoadURIWithPrincipal(doc->NodePrincipal(), targetURL,
|
|
nsIScriptSecurityManager::STANDARD);
|
|
|
|
}
|
|
|
|
nsresult
|
|
nsPluginHost::AddHeadersToChannel(const char *aHeadersData,
|
|
uint32_t aHeadersDataLen,
|
|
nsIChannel *aGenericChannel)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
|
|
nsCOMPtr<nsIHttpChannel> aChannel = do_QueryInterface(aGenericChannel);
|
|
if (!aChannel) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
// used during the manipulation of the String from the aHeadersData
|
|
nsAutoCString headersString;
|
|
nsAutoCString oneHeader;
|
|
nsAutoCString headerName;
|
|
nsAutoCString headerValue;
|
|
int32_t crlf = 0;
|
|
int32_t colon = 0;
|
|
|
|
// Turn the char * buffer into an nsString.
|
|
headersString = aHeadersData;
|
|
|
|
// Iterate over the nsString: for each "\r\n" delimited chunk,
|
|
// add the value as a header to the nsIHTTPChannel
|
|
while (true) {
|
|
crlf = headersString.Find("\r\n", true);
|
|
if (-1 == crlf) {
|
|
rv = NS_OK;
|
|
return rv;
|
|
}
|
|
headersString.Mid(oneHeader, 0, crlf);
|
|
headersString.Cut(0, crlf + 2);
|
|
oneHeader.StripWhitespace();
|
|
colon = oneHeader.Find(":");
|
|
if (-1 == colon) {
|
|
rv = NS_ERROR_NULL_POINTER;
|
|
return rv;
|
|
}
|
|
oneHeader.Left(headerName, colon);
|
|
colon++;
|
|
oneHeader.Mid(headerValue, colon, oneHeader.Length() - colon);
|
|
|
|
// FINALLY: we can set the header!
|
|
|
|
rv = aChannel->SetRequestHeader(headerName, headerValue, true);
|
|
if (NS_FAILED(rv)) {
|
|
rv = NS_ERROR_NULL_POINTER;
|
|
return rv;
|
|
}
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
nsresult
|
|
nsPluginHost::StopPluginInstance(nsNPAPIPluginInstance* aInstance)
|
|
{
|
|
if (PluginDestructionGuard::DelayDestroy(aInstance)) {
|
|
return NS_OK;
|
|
}
|
|
|
|
PLUGIN_LOG(PLUGIN_LOG_NORMAL,
|
|
("nsPluginHost::StopPluginInstance called instance=%p\n",aInstance));
|
|
|
|
if (aInstance->HasStartedDestroying()) {
|
|
return NS_OK;
|
|
}
|
|
|
|
Telemetry::AutoTimer<Telemetry::PLUGIN_SHUTDOWN_MS> timer;
|
|
aInstance->Stop();
|
|
|
|
// if the instance does not want to be 'cached' just remove it
|
|
bool doCache = aInstance->ShouldCache();
|
|
if (doCache) {
|
|
// try to get the max cached instances from a pref or use default
|
|
uint32_t cachedInstanceLimit =
|
|
Preferences::GetUint(NS_PREF_MAX_NUM_CACHED_INSTANCES,
|
|
DEFAULT_NUMBER_OF_STOPPED_INSTANCES);
|
|
if (StoppedInstanceCount() >= cachedInstanceLimit) {
|
|
nsNPAPIPluginInstance *oldestInstance = FindOldestStoppedInstance();
|
|
if (oldestInstance) {
|
|
nsPluginTag* pluginTag = TagForPlugin(oldestInstance->GetPlugin());
|
|
oldestInstance->Destroy();
|
|
mInstances.RemoveElement(oldestInstance);
|
|
// TODO: Remove this check once bug 752422 was investigated
|
|
if (pluginTag) {
|
|
OnPluginInstanceDestroyed(pluginTag);
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
nsPluginTag* pluginTag = TagForPlugin(aInstance->GetPlugin());
|
|
aInstance->Destroy();
|
|
mInstances.RemoveElement(aInstance);
|
|
// TODO: Remove this check once bug 752422 was investigated
|
|
if (pluginTag) {
|
|
OnPluginInstanceDestroyed(pluginTag);
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult nsPluginHost::NewPluginStreamListener(nsIURI* aURI,
|
|
nsNPAPIPluginInstance* aInstance,
|
|
nsIStreamListener **aStreamListener)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aURI);
|
|
NS_ENSURE_ARG_POINTER(aStreamListener);
|
|
|
|
nsRefPtr<nsPluginStreamListenerPeer> listener = new nsPluginStreamListenerPeer();
|
|
nsresult rv = listener->Initialize(aURI, aInstance, nullptr);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
listener.forget(aStreamListener);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP nsPluginHost::Observe(nsISupports *aSubject,
|
|
const char *aTopic,
|
|
const PRUnichar *someData)
|
|
{
|
|
if (!strcmp(NS_XPCOM_SHUTDOWN_OBSERVER_ID, aTopic)) {
|
|
OnShutdown();
|
|
UnloadPlugins();
|
|
sInst->Release();
|
|
}
|
|
if (!strcmp(NS_PREFBRANCH_PREFCHANGE_TOPIC_ID, aTopic)) {
|
|
mPluginsDisabled = Preferences::GetBool("plugin.disable", false);
|
|
mPluginsClickToPlay = Preferences::GetBool("plugins.click_to_play", false);
|
|
// Unload or load plugins as needed
|
|
if (mPluginsDisabled) {
|
|
UnloadPlugins();
|
|
} else {
|
|
LoadPlugins();
|
|
}
|
|
}
|
|
if (!strcmp("blocklist-updated", aTopic)) {
|
|
nsPluginTag* plugin = mPlugins;
|
|
while (plugin) {
|
|
plugin->InvalidateBlocklistState();
|
|
plugin = plugin->mNext;
|
|
}
|
|
}
|
|
#ifdef MOZ_WIDGET_ANDROID
|
|
if (!strcmp("application-background", aTopic)) {
|
|
for(uint32_t i = 0; i < mInstances.Length(); i++) {
|
|
mInstances[i]->NotifyForeground(false);
|
|
}
|
|
}
|
|
if (!strcmp("application-foreground", aTopic)) {
|
|
for(uint32_t i = 0; i < mInstances.Length(); i++) {
|
|
if (mInstances[i]->IsOnScreen())
|
|
mInstances[i]->NotifyForeground(true);
|
|
}
|
|
}
|
|
if (!strcmp("memory-pressure", aTopic)) {
|
|
for(uint32_t i = 0; i < mInstances.Length(); i++) {
|
|
mInstances[i]->MemoryPressure();
|
|
}
|
|
}
|
|
#endif
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsPluginHost::ParsePostBufferToFixHeaders(const char *inPostData, uint32_t inPostDataLen,
|
|
char **outPostData, uint32_t *outPostDataLen)
|
|
{
|
|
if (!inPostData || !outPostData || !outPostDataLen)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
*outPostData = 0;
|
|
*outPostDataLen = 0;
|
|
|
|
const char CR = '\r';
|
|
const char LF = '\n';
|
|
const char CRLFCRLF[] = {CR,LF,CR,LF,'\0'}; // C string"\r\n\r\n"
|
|
const char ContentLenHeader[] = "Content-length";
|
|
|
|
nsAutoTArray<const char*, 8> singleLF;
|
|
const char *pSCntlh = 0;// pointer to start of ContentLenHeader in inPostData
|
|
const char *pSod = 0; // pointer to start of data in inPostData
|
|
const char *pEoh = 0; // pointer to end of headers in inPostData
|
|
const char *pEod = inPostData + inPostDataLen; // pointer to end of inPostData
|
|
if (*inPostData == LF) {
|
|
// If no custom headers are required, simply add a blank
|
|
// line ('\n') to the beginning of the file or buffer.
|
|
// so *inPostData == '\n' is valid
|
|
pSod = inPostData + 1;
|
|
} else {
|
|
const char *s = inPostData; //tmp pointer to sourse inPostData
|
|
while (s < pEod) {
|
|
if (!pSCntlh &&
|
|
(*s == 'C' || *s == 'c') &&
|
|
(s + sizeof(ContentLenHeader) - 1 < pEod) &&
|
|
(!PL_strncasecmp(s, ContentLenHeader, sizeof(ContentLenHeader) - 1)))
|
|
{
|
|
// lets assume this is ContentLenHeader for now
|
|
const char *p = pSCntlh = s;
|
|
p += sizeof(ContentLenHeader) - 1;
|
|
// search for first CR or LF == end of ContentLenHeader
|
|
for (; p < pEod; p++) {
|
|
if (*p == CR || *p == LF) {
|
|
// got delimiter,
|
|
// one more check; if previous char is a digit
|
|
// most likely pSCntlh points to the start of ContentLenHeader
|
|
if (*(p-1) >= '0' && *(p-1) <= '9') {
|
|
s = p;
|
|
}
|
|
break; //for loop
|
|
}
|
|
}
|
|
if (pSCntlh == s) { // curret ptr is the same
|
|
pSCntlh = 0; // that was not ContentLenHeader
|
|
break; // there is nothing to parse, break *WHILE LOOP* here
|
|
}
|
|
}
|
|
|
|
if (*s == CR) {
|
|
if (pSCntlh && // only if ContentLenHeader is found we are looking for end of headers
|
|
((s + sizeof(CRLFCRLF)-1) <= pEod) &&
|
|
!memcmp(s, CRLFCRLF, sizeof(CRLFCRLF)-1))
|
|
{
|
|
s += sizeof(CRLFCRLF)-1;
|
|
pEoh = pSod = s; // data stars here
|
|
break;
|
|
}
|
|
} else if (*s == LF) {
|
|
if (*(s-1) != CR) {
|
|
singleLF.AppendElement(s);
|
|
}
|
|
if (pSCntlh && (s+1 < pEod) && (*(s+1) == LF)) {
|
|
s++;
|
|
singleLF.AppendElement(s);
|
|
s++;
|
|
pEoh = pSod = s; // data stars here
|
|
break;
|
|
}
|
|
}
|
|
s++;
|
|
}
|
|
}
|
|
|
|
// deal with output buffer
|
|
if (!pSod) { // lets assume whole buffer is a data
|
|
pSod = inPostData;
|
|
}
|
|
|
|
uint32_t newBufferLen = 0;
|
|
uint32_t dataLen = pEod - pSod;
|
|
uint32_t headersLen = pEoh ? pSod - inPostData : 0;
|
|
|
|
char *p; // tmp ptr into new output buf
|
|
if (headersLen) { // we got a headers
|
|
// this function does not make any assumption on correctness
|
|
// of ContentLenHeader value in this case.
|
|
|
|
newBufferLen = dataLen + headersLen;
|
|
// in case there were single LFs in headers
|
|
// reserve an extra space for CR will be added before each single LF
|
|
int cntSingleLF = singleLF.Length();
|
|
newBufferLen += cntSingleLF;
|
|
|
|
if (!(*outPostData = p = (char*)nsMemory::Alloc(newBufferLen)))
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
// deal with single LF
|
|
const char *s = inPostData;
|
|
if (cntSingleLF) {
|
|
for (int i=0; i<cntSingleLF; i++) {
|
|
const char *plf = singleLF.ElementAt(i); // ptr to single LF in headers
|
|
int n = plf - s; // bytes to copy
|
|
if (n) { // for '\n\n' there is nothing to memcpy
|
|
memcpy(p, s, n);
|
|
p += n;
|
|
}
|
|
*p++ = CR;
|
|
s = plf;
|
|
*p++ = *s++;
|
|
}
|
|
}
|
|
// are we done with headers?
|
|
headersLen = pEoh - s;
|
|
if (headersLen) { // not yet
|
|
memcpy(p, s, headersLen); // copy the rest
|
|
p += headersLen;
|
|
}
|
|
} else if (dataLen) { // no ContentLenHeader is found but there is a data
|
|
// make new output buffer big enough
|
|
// to keep ContentLenHeader+value followed by data
|
|
uint32_t l = sizeof(ContentLenHeader) + sizeof(CRLFCRLF) + 32;
|
|
newBufferLen = dataLen + l;
|
|
if (!(*outPostData = p = (char*)nsMemory::Alloc(newBufferLen)))
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
headersLen = PR_snprintf(p, l,"%s: %ld%s", ContentLenHeader, dataLen, CRLFCRLF);
|
|
if (headersLen == l) { // if PR_snprintf has ate all extra space consider this as an error
|
|
nsMemory::Free(p);
|
|
*outPostData = 0;
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
p += headersLen;
|
|
newBufferLen = headersLen + dataLen;
|
|
}
|
|
// at this point we've done with headers.
|
|
// there is a possibility that input buffer has only headers info in it
|
|
// which already parsed and copied into output buffer.
|
|
// copy the data
|
|
if (dataLen) {
|
|
memcpy(p, pSod, dataLen);
|
|
}
|
|
|
|
*outPostDataLen = newBufferLen;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsPluginHost::CreateTempFileToPost(const char *aPostDataURL, nsIFile **aTmpFile)
|
|
{
|
|
nsresult rv;
|
|
int64_t fileSize;
|
|
nsAutoCString filename;
|
|
|
|
// stat file == get size & convert file:///c:/ to c: if needed
|
|
nsCOMPtr<nsIFile> inFile;
|
|
rv = NS_GetFileFromURLSpec(nsDependentCString(aPostDataURL),
|
|
getter_AddRefs(inFile));
|
|
if (NS_FAILED(rv)) {
|
|
nsCOMPtr<nsIFile> localFile;
|
|
rv = NS_NewNativeLocalFile(nsDependentCString(aPostDataURL), false,
|
|
getter_AddRefs(localFile));
|
|
if (NS_FAILED(rv)) return rv;
|
|
inFile = localFile;
|
|
}
|
|
rv = inFile->GetFileSize(&fileSize);
|
|
if (NS_FAILED(rv)) return rv;
|
|
rv = inFile->GetNativePath(filename);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
if (fileSize != 0) {
|
|
nsCOMPtr<nsIInputStream> inStream;
|
|
rv = NS_NewLocalFileInputStream(getter_AddRefs(inStream), inFile);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
// Create a temporary file to write the http Content-length:
|
|
// %ld\r\n\" header and "\r\n" == end of headers for post data to
|
|
|
|
nsCOMPtr<nsIFile> tempFile;
|
|
rv = GetPluginTempDir(getter_AddRefs(tempFile));
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
nsAutoCString inFileName;
|
|
inFile->GetNativeLeafName(inFileName);
|
|
// XXX hack around bug 70083
|
|
inFileName.Insert(NS_LITERAL_CSTRING("post-"), 0);
|
|
rv = tempFile->AppendNative(inFileName);
|
|
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
// make it unique, and mode == 0600, not world-readable
|
|
rv = tempFile->CreateUnique(nsIFile::NORMAL_FILE_TYPE, 0600);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
nsCOMPtr<nsIOutputStream> outStream;
|
|
if (NS_SUCCEEDED(rv)) {
|
|
rv = NS_NewLocalFileOutputStream(getter_AddRefs(outStream),
|
|
tempFile,
|
|
(PR_WRONLY | PR_CREATE_FILE | PR_TRUNCATE),
|
|
0600); // 600 so others can't read our form data
|
|
}
|
|
NS_ASSERTION(NS_SUCCEEDED(rv), "Post data file couldn't be created!");
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
char buf[1024];
|
|
uint32_t br, bw;
|
|
bool firstRead = true;
|
|
while (1) {
|
|
// Read() mallocs if buffer is null
|
|
rv = inStream->Read(buf, 1024, &br);
|
|
if (NS_FAILED(rv) || (int32_t)br <= 0)
|
|
break;
|
|
if (firstRead) {
|
|
//"For protocols in which the headers must be distinguished from the body,
|
|
// such as HTTP, the buffer or file should contain the headers, followed by
|
|
// a blank line, then the body. If no custom headers are required, simply
|
|
// add a blank line ('\n') to the beginning of the file or buffer.
|
|
|
|
char *parsedBuf;
|
|
// assuming first 1K (or what we got) has all headers in,
|
|
// lets parse it through nsPluginHost::ParsePostBufferToFixHeaders()
|
|
ParsePostBufferToFixHeaders((const char *)buf, br, &parsedBuf, &bw);
|
|
rv = outStream->Write(parsedBuf, bw, &br);
|
|
nsMemory::Free(parsedBuf);
|
|
if (NS_FAILED(rv) || (bw != br))
|
|
break;
|
|
|
|
firstRead = false;
|
|
continue;
|
|
}
|
|
bw = br;
|
|
rv = outStream->Write(buf, bw, &br);
|
|
if (NS_FAILED(rv) || (bw != br))
|
|
break;
|
|
}
|
|
|
|
inStream->Close();
|
|
outStream->Close();
|
|
if (NS_SUCCEEDED(rv))
|
|
*aTmpFile = tempFile.forget().get();
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
nsresult
|
|
nsPluginHost::NewPluginNativeWindow(nsPluginNativeWindow ** aPluginNativeWindow)
|
|
{
|
|
return PLUG_NewPluginNativeWindow(aPluginNativeWindow);
|
|
}
|
|
|
|
nsresult
|
|
nsPluginHost::GetPluginName(nsNPAPIPluginInstance *aPluginInstance,
|
|
const char** aPluginName)
|
|
{
|
|
nsNPAPIPluginInstance *instance = static_cast<nsNPAPIPluginInstance*>(aPluginInstance);
|
|
if (!instance)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
nsNPAPIPlugin* plugin = instance->GetPlugin();
|
|
if (!plugin)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
*aPluginName = TagForPlugin(plugin)->mName.get();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsPluginHost::GetPluginTagForInstance(nsNPAPIPluginInstance *aPluginInstance,
|
|
nsIPluginTag **aPluginTag)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aPluginInstance);
|
|
NS_ENSURE_ARG_POINTER(aPluginTag);
|
|
|
|
nsNPAPIPlugin *plugin = aPluginInstance->GetPlugin();
|
|
if (!plugin)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
*aPluginTag = TagForPlugin(plugin);
|
|
|
|
NS_ADDREF(*aPluginTag);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP nsPluginHost::Notify(nsITimer* timer)
|
|
{
|
|
nsRefPtr<nsPluginTag> pluginTag = mPlugins;
|
|
while (pluginTag) {
|
|
if (pluginTag->mUnloadTimer == timer) {
|
|
if (!IsRunningPlugin(pluginTag)) {
|
|
pluginTag->TryUnloadPlugin(false);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
pluginTag = pluginTag->mNext;
|
|
}
|
|
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
#ifdef XP_WIN
|
|
// Re-enable any top level browser windows that were disabled by modal dialogs
|
|
// displayed by the crashed plugin.
|
|
static void
|
|
CheckForDisabledWindows()
|
|
{
|
|
nsCOMPtr<nsIWindowMediator> wm(do_GetService(NS_WINDOWMEDIATOR_CONTRACTID));
|
|
if (!wm)
|
|
return;
|
|
|
|
nsCOMPtr<nsISimpleEnumerator> windowList;
|
|
wm->GetXULWindowEnumerator(nullptr, getter_AddRefs(windowList));
|
|
if (!windowList)
|
|
return;
|
|
|
|
bool haveWindows;
|
|
do {
|
|
windowList->HasMoreElements(&haveWindows);
|
|
if (!haveWindows)
|
|
return;
|
|
|
|
nsCOMPtr<nsISupports> supportsWindow;
|
|
windowList->GetNext(getter_AddRefs(supportsWindow));
|
|
nsCOMPtr<nsIBaseWindow> baseWin(do_QueryInterface(supportsWindow));
|
|
if (baseWin) {
|
|
nsCOMPtr<nsIWidget> widget;
|
|
baseWin->GetMainWidget(getter_AddRefs(widget));
|
|
if (widget && !widget->GetParent() &&
|
|
widget->IsVisible() &&
|
|
!widget->IsEnabled()) {
|
|
nsIWidget* child = widget->GetFirstChild();
|
|
bool enable = true;
|
|
while (child) {
|
|
nsWindowType aType;
|
|
if (NS_SUCCEEDED(child->GetWindowType(aType)) &&
|
|
aType == eWindowType_dialog) {
|
|
enable = false;
|
|
break;
|
|
}
|
|
child = child->GetNextSibling();
|
|
}
|
|
if (enable) {
|
|
widget->Enable(true);
|
|
}
|
|
}
|
|
}
|
|
} while (haveWindows);
|
|
}
|
|
#endif
|
|
|
|
void
|
|
nsPluginHost::PluginCrashed(nsNPAPIPlugin* aPlugin,
|
|
const nsAString& pluginDumpID,
|
|
const nsAString& browserDumpID)
|
|
{
|
|
nsPluginTag* crashedPluginTag = TagForPlugin(aPlugin);
|
|
|
|
// Notify the app's observer that a plugin crashed so it can submit
|
|
// a crashreport.
|
|
bool submittedCrashReport = false;
|
|
nsCOMPtr<nsIObserverService> obsService =
|
|
mozilla::services::GetObserverService();
|
|
nsCOMPtr<nsIWritablePropertyBag2> propbag =
|
|
do_CreateInstance("@mozilla.org/hash-property-bag;1");
|
|
if (obsService && propbag) {
|
|
propbag->SetPropertyAsAString(NS_LITERAL_STRING("pluginDumpID"),
|
|
pluginDumpID);
|
|
propbag->SetPropertyAsAString(NS_LITERAL_STRING("browserDumpID"),
|
|
browserDumpID);
|
|
propbag->SetPropertyAsBool(NS_LITERAL_STRING("submittedCrashReport"),
|
|
submittedCrashReport);
|
|
obsService->NotifyObservers(propbag, "plugin-crashed", nullptr);
|
|
// see if an observer submitted a crash report.
|
|
propbag->GetPropertyAsBool(NS_LITERAL_STRING("submittedCrashReport"),
|
|
&submittedCrashReport);
|
|
}
|
|
|
|
// Invalidate each nsPluginInstanceTag for the crashed plugin
|
|
|
|
for (uint32_t i = mInstances.Length(); i > 0; i--) {
|
|
nsNPAPIPluginInstance* instance = mInstances[i - 1];
|
|
if (instance->GetPlugin() == aPlugin) {
|
|
// notify the content node (nsIObjectLoadingContent) that the
|
|
// plugin has crashed
|
|
nsCOMPtr<nsIDOMElement> domElement;
|
|
instance->GetDOMElement(getter_AddRefs(domElement));
|
|
nsCOMPtr<nsIObjectLoadingContent> objectContent(do_QueryInterface(domElement));
|
|
if (objectContent) {
|
|
objectContent->PluginCrashed(crashedPluginTag, pluginDumpID, browserDumpID,
|
|
submittedCrashReport);
|
|
}
|
|
|
|
instance->Destroy();
|
|
mInstances.RemoveElement(instance);
|
|
OnPluginInstanceDestroyed(crashedPluginTag);
|
|
}
|
|
}
|
|
|
|
// Only after all instances have been invalidated is it safe to null
|
|
// out nsPluginTag.mPlugin. The next time we try to create an
|
|
// instance of this plugin we reload it (launch a new plugin process).
|
|
|
|
crashedPluginTag->mPlugin = nullptr;
|
|
|
|
#ifdef XP_WIN
|
|
CheckForDisabledWindows();
|
|
#endif
|
|
}
|
|
|
|
nsNPAPIPluginInstance*
|
|
nsPluginHost::FindInstance(const char *mimetype)
|
|
{
|
|
for (uint32_t i = 0; i < mInstances.Length(); i++) {
|
|
nsNPAPIPluginInstance* instance = mInstances[i];
|
|
|
|
const char* mt;
|
|
nsresult rv = instance->GetMIMEType(&mt);
|
|
if (NS_FAILED(rv))
|
|
continue;
|
|
|
|
if (PL_strcasecmp(mt, mimetype) == 0)
|
|
return instance;
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
nsNPAPIPluginInstance*
|
|
nsPluginHost::FindOldestStoppedInstance()
|
|
{
|
|
nsNPAPIPluginInstance *oldestInstance = nullptr;
|
|
TimeStamp oldestTime = TimeStamp::Now();
|
|
for (uint32_t i = 0; i < mInstances.Length(); i++) {
|
|
nsNPAPIPluginInstance *instance = mInstances[i];
|
|
if (instance->IsRunning())
|
|
continue;
|
|
|
|
TimeStamp time = instance->StopTime();
|
|
if (time < oldestTime) {
|
|
oldestTime = time;
|
|
oldestInstance = instance;
|
|
}
|
|
}
|
|
|
|
return oldestInstance;
|
|
}
|
|
|
|
uint32_t
|
|
nsPluginHost::StoppedInstanceCount()
|
|
{
|
|
uint32_t stoppedCount = 0;
|
|
for (uint32_t i = 0; i < mInstances.Length(); i++) {
|
|
nsNPAPIPluginInstance *instance = mInstances[i];
|
|
if (!instance->IsRunning())
|
|
stoppedCount++;
|
|
}
|
|
return stoppedCount;
|
|
}
|
|
|
|
nsTArray< nsRefPtr<nsNPAPIPluginInstance> >*
|
|
nsPluginHost::InstanceArray()
|
|
{
|
|
return &mInstances;
|
|
}
|
|
|
|
void
|
|
nsPluginHost::DestroyRunningInstances(nsPluginTag* aPluginTag)
|
|
{
|
|
for (int32_t i = mInstances.Length(); i > 0; i--) {
|
|
nsNPAPIPluginInstance *instance = mInstances[i - 1];
|
|
if (instance->IsRunning() && (!aPluginTag || aPluginTag == TagForPlugin(instance->GetPlugin()))) {
|
|
instance->SetWindow(nullptr);
|
|
instance->Stop();
|
|
|
|
// Get rid of all the instances without the possibility of caching.
|
|
nsPluginTag* pluginTag = TagForPlugin(instance->GetPlugin());
|
|
instance->SetWindow(nullptr);
|
|
|
|
nsCOMPtr<nsIDOMElement> domElement;
|
|
instance->GetDOMElement(getter_AddRefs(domElement));
|
|
nsCOMPtr<nsIObjectLoadingContent> objectContent =
|
|
do_QueryInterface(domElement);
|
|
|
|
instance->Destroy();
|
|
|
|
mInstances.RemoveElement(instance);
|
|
OnPluginInstanceDestroyed(pluginTag);
|
|
|
|
// Notify owning content that we destroyed its plugin out from under it
|
|
if (objectContent) {
|
|
objectContent->PluginDestroyed();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Runnable that does an async destroy of a plugin.
|
|
|
|
class nsPluginDestroyRunnable : public nsRunnable,
|
|
public PRCList
|
|
{
|
|
public:
|
|
nsPluginDestroyRunnable(nsNPAPIPluginInstance *aInstance)
|
|
: mInstance(aInstance)
|
|
{
|
|
PR_INIT_CLIST(this);
|
|
PR_APPEND_LINK(this, &sRunnableListHead);
|
|
}
|
|
|
|
virtual ~nsPluginDestroyRunnable()
|
|
{
|
|
PR_REMOVE_LINK(this);
|
|
}
|
|
|
|
NS_IMETHOD Run()
|
|
{
|
|
nsRefPtr<nsNPAPIPluginInstance> instance;
|
|
|
|
// Null out mInstance to make sure this code in another runnable
|
|
// will do the right thing even if someone was holding on to this
|
|
// runnable longer than we expect.
|
|
instance.swap(mInstance);
|
|
|
|
if (PluginDestructionGuard::DelayDestroy(instance)) {
|
|
// It's still not safe to destroy the plugin, it's now up to the
|
|
// outermost guard on the stack to take care of the destruction.
|
|
return NS_OK;
|
|
}
|
|
|
|
nsPluginDestroyRunnable *r =
|
|
static_cast<nsPluginDestroyRunnable*>(PR_NEXT_LINK(&sRunnableListHead));
|
|
|
|
while (r != &sRunnableListHead) {
|
|
if (r != this && r->mInstance == instance) {
|
|
// There's another runnable scheduled to tear down
|
|
// instance. Let it do the job.
|
|
return NS_OK;
|
|
}
|
|
r = static_cast<nsPluginDestroyRunnable*>(PR_NEXT_LINK(r));
|
|
}
|
|
|
|
PLUGIN_LOG(PLUGIN_LOG_NORMAL,
|
|
("Doing delayed destroy of instance %p\n", instance.get()));
|
|
|
|
nsRefPtr<nsPluginHost> host = nsPluginHost::GetInst();
|
|
if (host)
|
|
host->StopPluginInstance(instance);
|
|
|
|
PLUGIN_LOG(PLUGIN_LOG_NORMAL,
|
|
("Done with delayed destroy of instance %p\n", instance.get()));
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
protected:
|
|
nsRefPtr<nsNPAPIPluginInstance> mInstance;
|
|
|
|
static PRCList sRunnableListHead;
|
|
};
|
|
|
|
PRCList nsPluginDestroyRunnable::sRunnableListHead =
|
|
PR_INIT_STATIC_CLIST(&nsPluginDestroyRunnable::sRunnableListHead);
|
|
|
|
PRCList PluginDestructionGuard::sListHead =
|
|
PR_INIT_STATIC_CLIST(&PluginDestructionGuard::sListHead);
|
|
|
|
PluginDestructionGuard::PluginDestructionGuard(nsNPAPIPluginInstance *aInstance)
|
|
: mInstance(aInstance)
|
|
{
|
|
Init();
|
|
}
|
|
|
|
PluginDestructionGuard::PluginDestructionGuard(NPP npp)
|
|
: mInstance(npp ? static_cast<nsNPAPIPluginInstance*>(npp->ndata) : nullptr)
|
|
{
|
|
Init();
|
|
}
|
|
|
|
PluginDestructionGuard::~PluginDestructionGuard()
|
|
{
|
|
NS_ASSERTION(NS_IsMainThread(), "Should be on the main thread");
|
|
|
|
PR_REMOVE_LINK(this);
|
|
|
|
if (mDelayedDestroy) {
|
|
// We've attempted to destroy the plugin instance we're holding on
|
|
// to while we were guarding it. Do the actual destroy now, off of
|
|
// a runnable.
|
|
nsRefPtr<nsPluginDestroyRunnable> evt =
|
|
new nsPluginDestroyRunnable(mInstance);
|
|
|
|
NS_DispatchToMainThread(evt);
|
|
}
|
|
}
|
|
|
|
// static
|
|
bool
|
|
PluginDestructionGuard::DelayDestroy(nsNPAPIPluginInstance *aInstance)
|
|
{
|
|
NS_ASSERTION(NS_IsMainThread(), "Should be on the main thread");
|
|
NS_ASSERTION(aInstance, "Uh, I need an instance!");
|
|
|
|
// Find the first guard on the stack and make it do a delayed
|
|
// destroy upon destruction.
|
|
|
|
PluginDestructionGuard *g =
|
|
static_cast<PluginDestructionGuard*>(PR_LIST_HEAD(&sListHead));
|
|
|
|
while (g != &sListHead) {
|
|
if (g->mInstance == aInstance) {
|
|
g->mDelayedDestroy = true;
|
|
|
|
return true;
|
|
}
|
|
g = static_cast<PluginDestructionGuard*>(PR_NEXT_LINK(g));
|
|
}
|
|
|
|
return false;
|
|
}
|