dom/media/ipc/RDDProcessImpl.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6 #include "RDDProcessImpl.h"
   7
   8 #include "mozilla/ipc/IOThreadChild.h"
   9 #include "mozilla/GeckoArgs.h"
  10
  11 #if defined(XP_WIN) && defined(MOZ_SANDBOX)
  12 #  include "mozilla/sandboxTarget.h"
  13 #elif defined(__OpenBSD__) && defined(MOZ_SANDBOX)
  14 #  include "mozilla/SandboxSettings.h"
  15 #  include "prlink.h"
  16 #endif
  17
  18 namespace mozilla {
  19
  20 using namespace ipc;
  21
  22 RDDProcessImpl::~RDDProcessImpl() = default;
  23
  24 bool RDDProcessImpl::Init(int aArgc, char* aArgv[]) {
  25 #if defined(MOZ_SANDBOX) && defined(XP_WIN)
  26   // Preload AV dlls so we can enable Binary Signature Policy
  27   // to restrict further dll loads.
  28   LoadLibraryW(L"mozavcodec.dll");
  29   LoadLibraryW(L"mozavutil.dll");
  30   mozilla::SandboxTarget::Instance()->StartSandbox();
  31 #elif defined(__OpenBSD__) && defined(MOZ_SANDBOX)
  32   PR_LoadLibrary("libmozavcodec.so");
  33   PR_LoadLibrary("libmozavutil.so");
  34   PR_LoadLibrary("libavcodec.so");
  35   StartOpenBSDSandbox(GeckoProcessType_RDD);
  36 #endif
  37   Maybe<const char*> parentBuildID =
  38       geckoargs::sParentBuildID.Get(aArgc, aArgv);
  39   if (parentBuildID.isNothing()) {
  40     return false;
  41   }
  42
  43   if (!ProcessChild::InitPrefs(aArgc, aArgv)) {
  44     return false;
  45   }
  46
  47   return mRDD->Init(TakeInitialEndpoint(), *parentBuildID);
  48 }
  49
  50 void RDDProcessImpl::CleanUp() { NS_ShutdownXPCOM(nullptr); }
  51
  52 }  // namespace mozilla