gecko-dev/ipc/glue/UtilityProcessImpl.cpp

67 строки
2.0 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "UtilityProcessImpl.h"
#include "mozilla/ipc/IOThreadChild.h"
#include "mozilla/GeckoArgs.h"
#if defined(OS_WIN) && defined(MOZ_SANDBOX)
# include "mozilla/sandboxTarget.h"
# include "WMF.h"
# include "WMFDecoderModule.h"
#endif
namespace mozilla::ipc {
UtilityProcessImpl::UtilityProcessImpl(ProcessId aParentPid)
: ProcessChild(aParentPid) {
mUtility = new UtilityProcessChild();
}
UtilityProcessImpl::~UtilityProcessImpl() { mUtility = nullptr; }
bool UtilityProcessImpl::Init(int aArgc, char* aArgv[]) {
Maybe<uint64_t> sandboxingKind = geckoargs::sSandboxingKind.Get(aArgc, aArgv);
if (sandboxingKind.isNothing()) {
return false;
}
if (*sandboxingKind >= SandboxingKind::COUNT) {
return false;
}
#if defined(MOZ_SANDBOX) && defined(OS_WIN)
// We delay load winmm.dll so that its dependencies don't interfere with COM
// initialization when win32k is locked down. We need to load it before we
// lower the sandbox in processes where the policy will prevent loading.
::LoadLibraryW(L"winmm.dll");
if (*sandboxingKind == SandboxingKind::UTILITY_AUDIO_DECODING) {
UtilityAudioDecoderParent::PreloadForSandbox();
}
// Go for it
mozilla::SandboxTarget::Instance()->StartSandbox();
#endif
Maybe<const char*> parentBuildID =
geckoargs::sParentBuildID.Get(aArgc, aArgv);
if (parentBuildID.isNothing()) {
return false;
}
if (!ProcessChild::InitPrefs(aArgc, aArgv)) {
return false;
}
return mUtility->Init(ParentPid(), nsCString(*parentBuildID), *sandboxingKind,
IOThreadChild::TakeInitialPort());
}
void UtilityProcessImpl::CleanUp() { NS_ShutdownXPCOM(nullptr); }
} // namespace mozilla::ipc