gecko-dev/dom/media/gmp/GMPProcessParent.cpp
Jed Davis 70736cfb1b Bug 1401790 - Remove ProcessArchitecture from IPC. r=billm,jimm
This was used to support cross-architecture NPAPI plugins on OS X, but
we stopped supporting that in 54 (bug 1339182).

MozReview-Commit-ID: 2BcWYD6mguY

--HG--
extra : rebase_source : 6e509a3cc1f356ccd24f1459c43bc8fb66d7b0f4
2017-10-04 20:31:12 -06:00

106 lines
2.9 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: sw=2 ts=2 et :
* 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 "GMPProcessParent.h"
#include "GMPUtils.h"
#include "nsIFile.h"
#include "nsIRunnable.h"
#if defined(XP_WIN) && defined(MOZ_SANDBOX)
#include "WinUtils.h"
#endif
#include "GMPLog.h"
#include "base/string_util.h"
#include "base/process_util.h"
#include <string>
using std::vector;
using std::string;
using mozilla::gmp::GMPProcessParent;
using mozilla::ipc::GeckoChildProcessHost;
namespace mozilla {
namespace gmp {
GMPProcessParent::GMPProcessParent(const std::string& aGMPPath)
: GeckoChildProcessHost(GeckoProcessType_GMPlugin),
mGMPPath(aGMPPath)
{
MOZ_COUNT_CTOR(GMPProcessParent);
}
GMPProcessParent::~GMPProcessParent()
{
MOZ_COUNT_DTOR(GMPProcessParent);
}
bool
GMPProcessParent::Launch(int32_t aTimeoutMs)
{
vector<string> args;
#if defined(XP_WIN) && defined(MOZ_SANDBOX)
std::wstring wGMPPath = UTF8ToWide(mGMPPath.c_str());
// The sandbox doesn't allow file system rules where the paths contain
// symbolic links or junction points. Sometimes the Users folder has been
// moved to another drive using a junction point, so allow for this specific
// case. See bug 1236680 for details.
if (!widget::WinUtils::ResolveJunctionPointsAndSymLinks(wGMPPath)) {
GMP_LOG("ResolveJunctionPointsAndSymLinks failed for GMP path=%S",
wGMPPath.c_str());
NS_WARNING("ResolveJunctionPointsAndSymLinks failed for GMP path.");
return false;
}
GMP_LOG("GMPProcessParent::Launch() resolved path to %S", wGMPPath.c_str());
// If the GMP path is a network path that is not mapped to a drive letter,
// then we need to fix the path format for the sandbox rule.
wchar_t volPath[MAX_PATH];
if (::GetVolumePathNameW(wGMPPath.c_str(), volPath, MAX_PATH) &&
::GetDriveTypeW(volPath) == DRIVE_REMOTE &&
wGMPPath.compare(0, 2, L"\\\\") == 0) {
std::wstring sandboxGMPPath(wGMPPath);
sandboxGMPPath.insert(1, L"??\\UNC");
mAllowedFilesRead.push_back(sandboxGMPPath + L"\\*");
} else {
mAllowedFilesRead.push_back(wGMPPath + L"\\*");
}
args.push_back(WideToUTF8(wGMPPath));
#else
args.push_back(mGMPPath);
#endif
return SyncLaunch(args, aTimeoutMs);
}
void
GMPProcessParent::Delete(nsCOMPtr<nsIRunnable> aCallback)
{
mDeletedCallback = aCallback;
XRE_GetIOMessageLoop()->PostTask(NewNonOwningRunnableMethod(
"gmp::GMPProcessParent::DoDelete", this, &GMPProcessParent::DoDelete));
}
void
GMPProcessParent::DoDelete()
{
MOZ_ASSERT(MessageLoop::current() == XRE_GetIOMessageLoop());
Join();
if (mDeletedCallback) {
mDeletedCallback->Run();
}
delete this;
}
} // namespace gmp
} // namespace mozilla