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/* -*- 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 "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;
using base::ProcessArchitecture;
namespace mozilla {
extern LogModule* GetGMPLog();
#define GMP_LOG(msg, ...) MOZ_LOG(GetGMPLog(), mozilla::LogLevel::Debug, (msg, ##__VA_ARGS__))
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)
{
nsCOMPtr<nsIFile> path;
if (!GetEMEVoucherPath(getter_AddRefs(path))) {
NS_WARNING("GMPProcessParent can't get EME voucher path!");
return false;
}
nsAutoCString voucherPath;
path->GetNativePath(voucherPath);
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
args.push_back(string(voucherPath.BeginReading(), voucherPath.EndReading()));
return SyncLaunch(args, aTimeoutMs, base::GetCurrentProcessArchitecture());
}
void
GMPProcessParent::Delete(nsCOMPtr<nsIRunnable> aCallback)
{
mDeletedCallback = aCallback;
XRE_GetIOMessageLoop()->PostTask(NewNonOwningRunnableMethod(this, &GMPProcessParent::DoDelete));
}
void
GMPProcessParent::DoDelete()
{
MOZ_ASSERT(MessageLoop::current() == XRE_GetIOMessageLoop());
Join();
if (mDeletedCallback) {
mDeletedCallback->Run();
}
delete this;
}
} // namespace gmp
} // namespace mozilla
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