f70c24d970
Backed out changeset 13cc8a7ee925 (bug 852315) Backed out changeset 23dfc36f99d4 (bug 852315) Backed out changeset fb56bd7c0feb (bug 406541) Backed out changeset b24d1437c6f3 (bug 738396) Backed out changeset 5028e1290b45 (bug 971279) Backed out changeset 34ecdab0cfc2 (bug 971279) Backed out changeset 95b4aa01923d (bug 971273)
3679 lines
108 KiB
C++
3679 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 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::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,
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uint32_t postDataLen,
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const char* postData,
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bool isFile,
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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 postHeadersLength,
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const char* postHeaders)
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{
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nsresult rv;
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// we can only send a stream back to the plugin (as specified
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// by a null target) if we also have a nsNPAPIPluginStreamListener
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// to talk to also
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if (!target && !streamListener)
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return NS_ERROR_ILLEGAL_VALUE;
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nsNPAPIPluginInstance* instance = static_cast<nsNPAPIPluginInstance*>(pluginInst);
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rv = DoURLLoadSecurityCheck(instance, url);
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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;
|
|
}
|
|
|
|
nsPluginTagType tagType;
|
|
rv = instanceOwner->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;
|
|
}
|
|
|
|
PRStatus prrc;
|
|
prrc = PR_Close(fd);
|
|
if (prrc != PR_SUCCESS) {
|
|
// we should obtain a refined value based on prrc;
|
|
rv = NS_ERROR_FAILURE;
|
|
MOZ_ASSERT(false, "PR_Close() failed.");
|
|
return rv;
|
|
}
|
|
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);
|
|
|
|
PRStatus prrc;
|
|
prrc = PR_Close(fd);
|
|
if (prrc != PR_SUCCESS) {
|
|
// Strange error: this is one of those "Should not happen" error.
|
|
// we may want to report something more refined than NS_ERROR_FAILURE.
|
|
MOZ_ASSERT(false, "PR_Close() failed.");
|
|
return rv;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
// On Android we always want to try to load a plugin again (Flash). Bug 935676.
|
|
#ifndef MOZ_WIDGET_ANDROID
|
|
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;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
// 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 char16_t *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;
|
|
}
|