mirror of
https://github.com/classilla/tenfourfox.git
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102 lines
2.8 KiB
C++
102 lines
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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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#include "mozilla/ipc/IOThreadChild.h"
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#include "ContentProcess.h"
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#if defined(XP_WIN) && defined(MOZ_CONTENT_SANDBOX)
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#include "mozilla/Preferences.h"
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#include "mozilla/WindowsVersion.h"
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#include "nsDirectoryService.h"
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#include "nsDirectoryServiceDefs.h"
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#endif
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using mozilla::ipc::IOThreadChild;
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namespace mozilla {
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namespace dom {
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#if defined(XP_WIN) && defined(MOZ_CONTENT_SANDBOX)
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static void
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SetUpSandboxEnvironment()
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{
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MOZ_ASSERT(nsDirectoryService::gService,
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"SetUpSandboxEnvironment relies on nsDirectoryService being initialized");
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// A low integrity temp only currently makes sense for Vista or Later and
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// sandbox pref level >= 1.
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if (!IsVistaOrLater() ||
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Preferences::GetInt("security.sandbox.content.level") < 1) {
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return;
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}
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nsAdoptingString tempDirSuffix =
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Preferences::GetString("security.sandbox.content.tempDirSuffix");
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if (tempDirSuffix.IsEmpty()) {
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NS_WARNING("Low integrity temp suffix pref not set.");
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return;
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}
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// Get the base low integrity Mozilla temp directory.
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nsCOMPtr<nsIFile> lowIntegrityTemp;
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nsresult rv = nsDirectoryService::gService->Get(NS_WIN_LOW_INTEGRITY_TEMP_BASE,
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NS_GET_IID(nsIFile),
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getter_AddRefs(lowIntegrityTemp));
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return;
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}
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// Append our profile specific temp name.
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rv = lowIntegrityTemp->Append(NS_LITERAL_STRING("Temp-") + tempDirSuffix);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return;
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}
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// Change the gecko defined temp directory to our low integrity one.
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// Undefine returns a failure if the property is not already set.
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Unused << nsDirectoryService::gService->Undefine(NS_OS_TEMP_DIR);
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rv = nsDirectoryService::gService->Set(NS_OS_TEMP_DIR, lowIntegrityTemp);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return;
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}
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}
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#endif
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void
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ContentProcess::SetAppDir(const nsACString& aPath)
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{
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mXREEmbed.SetAppDir(aPath);
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}
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bool
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ContentProcess::Init()
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{
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mContent.Init(IOThreadChild::message_loop(),
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ParentPid(),
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IOThreadChild::channel());
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mXREEmbed.Start();
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mContent.InitXPCOM();
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mContent.InitGraphicsDeviceData();
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#if defined(XP_WIN) && defined(MOZ_CONTENT_SANDBOX)
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SetUpSandboxEnvironment();
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#endif
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return true;
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}
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// Note: CleanUp() never gets called in non-debug builds because we exit early
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// in ContentChild::ActorDestroy().
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void
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ContentProcess::CleanUp()
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{
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mXREEmbed.Stop();
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}
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} // namespace dom
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} // namespace mozilla
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