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/* -*- 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 https://mozilla.org/MPL/2.0/. */
#include "SandboxTest.h"
#include "mozilla/Components.h"
#include "mozilla/Preferences.h"
#include "SandboxTestingParent.h"
#include "SandboxTestingChild.h"
#include "mozilla/dom/ContentParent.h"
#include "mozilla/gfx/GPUProcessManager.h"
#include "mozilla/gfx/GPUChild.h"
#include "mozilla/net/SocketProcessParent.h"
#include "mozilla/RDDProcessManager.h"
#include "mozilla/RDDChild.h"
#include "mozilla/ipc/UtilityProcessManager.h"
#include "mozilla/ipc/UtilityProcessParent.h"
#include "mozilla/ipc/UtilityProcessSandboxing.h"
#include "GMPService.h"
#include "mozilla/gmp/GMPTypes.h"
#include "mozilla/ipc/Endpoint.h"
#include "nsIOService.h"
#ifdef XP_WIN
# include "nsAppDirectoryServiceDefs.h"
#endif
using namespace mozilla;
using namespace mozilla::ipc;
using namespace mozilla::dom;
namespace mozilla {
NS_IMPL_ISUPPORTS(SandboxTest, mozISandboxTest)
inline void UnsetEnvVariable(const nsCString& aEnvVarName) {
nsCString aEnvVarNameFull = aEnvVarName + "="_ns;
int rv_unset =
#ifdef XP_UNIX
unsetenv(aEnvVarName.get());
#endif // XP_UNIX
#ifdef XP_WIN
_putenv(aEnvVarNameFull.get());
#endif // XP_WIN
MOZ_ASSERT(rv_unset == 0, "Error unsetting env var");
}
GeckoProcessType GeckoProcessStringToType(const nsCString& aString) {
for (GeckoProcessType type = GeckoProcessType(0);
type < GeckoProcessType::GeckoProcessType_End;
type = GeckoProcessType(type + 1)) {
if (aString == XRE_GeckoProcessTypeToString(type)) {
return type;
}
}
return GeckoProcessType::GeckoProcessType_Invalid;
}
// Set up tests on remote process connected to the given actor.
// The actor must handle the InitSandboxTesting message.
template <typename Actor>
void InitializeSandboxTestingActors(
Actor* aActor,
const RefPtr<SandboxTest::ProcessPromise::Private>& aProcessPromise) {
MOZ_ASSERT(aActor, "Should have provided an IPC actor");
Endpoint<PSandboxTestingParent> sandboxTestingParentEnd;
Endpoint<PSandboxTestingChild> sandboxTestingChildEnd;
nsresult rv = PSandboxTesting::CreateEndpoints(&sandboxTestingParentEnd,
&sandboxTestingChildEnd);
if (NS_FAILED(rv)) {
aProcessPromise->Reject(NS_ERROR_FAILURE, __func__);
return;
}
// GMPlugin binds us to the GMP Thread, so we need IPC's Send to be done on
// the same thread
Unused << aActor->SendInitSandboxTesting(std::move(sandboxTestingChildEnd));
// But then the SandboxTestingParent::Create() call needs to be on the main
// thread
NS_DispatchToMainThread(NS_NewRunnableFunction(
"SandboxTestingParent::Create",
[stpE = std::move(sandboxTestingParentEnd), aProcessPromise]() mutable {
return aProcessPromise->Resolve(
SandboxTestingParent::Create(std::move(stpE)), __func__);
}));
}
NS_IMETHODIMP
SandboxTest::StartTests(const nsTArray<nsCString>& aProcessesList) {
MOZ_ASSERT(NS_IsMainThread());
#if defined(XP_WIN)
nsCOMPtr<nsIFile> testFile;
NS_GetSpecialDirectory(NS_APP_USER_PROFILE_50_DIR, getter_AddRefs(testFile));
MOZ_ASSERT(testFile);
nsCOMPtr<nsIFile> testChromeFile;
testFile->Clone(getter_AddRefs(testChromeFile));
testChromeFile->Append(u"chrome"_ns);
testChromeFile->Exists(&mChromeDirExisted);
testFile->Append(u"sandboxTest.txt"_ns);
testChromeFile->Append(u"sandboxTest.txt"_ns);
MOZ_ALWAYS_SUCCEEDS(testFile->Create(nsIFile::NORMAL_FILE_TYPE, 0666));
MOZ_ALWAYS_SUCCEEDS(testChromeFile->Create(nsIFile::NORMAL_FILE_TYPE, 0666));
#endif
for (const auto& processTypeName : aProcessesList) {
SandboxingKind sandboxingKind = SandboxingKind::COUNT;
GeckoProcessType type = GeckoProcessType::GeckoProcessType_Invalid;
if (processTypeName.Find(":") != kNotFound) {
int32_t pos = processTypeName.Find(":");
nsCString processType = nsCString(Substring(processTypeName, 0, pos));
nsCString sandboxKindStr = nsCString(
Substring(processTypeName, pos + 1, processTypeName.Length()));
nsresult err;
uint64_t sbVal = (uint64_t)(sandboxKindStr.ToDouble(&err));
if (NS_FAILED(err)) {
NS_WARNING("Unable to get SandboxingKind");
return NS_ERROR_ILLEGAL_VALUE;
}
if (sbVal >= SandboxingKind::COUNT) {
NS_WARNING("Invalid sandboxing kind");
return NS_ERROR_ILLEGAL_VALUE;
}
if (!processType.Equals(
XRE_GeckoProcessTypeToString(GeckoProcessType_Utility))) {
NS_WARNING("Expected utility process type");
return NS_ERROR_ILLEGAL_VALUE;
}
sandboxingKind = (SandboxingKind)sbVal;
type = GeckoProcessType_Utility;
} else {
type = GeckoProcessStringToType(processTypeName);
if (type == GeckoProcessType::GeckoProcessType_Invalid) {
NS_WARNING("Invalid process type");
return NS_ERROR_ILLEGAL_VALUE;
}
}
RefPtr<ProcessPromise::Private> processPromise =
MakeRefPtr<ProcessPromise::Private>(__func__);
switch (type) {
case GeckoProcessType_Content: {
nsTArray<ContentParent*> parents;
ContentParent::GetAll(parents);
if (parents[0]) {
InitializeSandboxTestingActors(parents[0], processPromise);
} else {
processPromise->Reject(NS_ERROR_FAILURE, __func__);
MOZ_ASSERT_UNREACHABLE("SandboxTest; failure to get Content process");
}
break;
}
case GeckoProcessType_GPU: {
gfx::GPUProcessManager* gpuProc = gfx::GPUProcessManager::Get();
gfx::GPUChild* gpuChild = gpuProc ? gpuProc->GetGPUChild() : nullptr;
if (gpuChild) {
InitializeSandboxTestingActors(gpuChild, processPromise);
} else {
processPromise->Reject(NS_OK, __func__);
}
break;
}
case GeckoProcessType_RDD: {
RDDProcessManager* rddProc = RDDProcessManager::Get();
rddProc->LaunchRDDProcess()->Then(
GetMainThreadSerialEventTarget(), __func__,
[processPromise, rddProc]() {
RDDChild* rddChild = rddProc ? rddProc->GetRDDChild() : nullptr;
if (rddChild) {
return InitializeSandboxTestingActors(rddChild, processPromise);
}
return processPromise->Reject(NS_ERROR_FAILURE, __func__);
},
[processPromise](nsresult aError) {
MOZ_ASSERT_UNREACHABLE("SandboxTest; failure to get RDD process");
return processPromise->Reject(aError, __func__);
});
break;
}
case GeckoProcessType_GMPlugin: {
UnsetEnvVariable("MOZ_DISABLE_GMP_SANDBOX"_ns);
RefPtr<gmp::GeckoMediaPluginService> service =
gmp::GeckoMediaPluginService::GetGeckoMediaPluginService();
MOZ_ASSERT(service, "We have a GeckoMediaPluginService");
RefPtr<SandboxTest> self = this;
nsCOMPtr<nsISerialEventTarget> thread = service->GetGMPThread();
nsresult rv = thread->Dispatch(NS_NewRunnableFunction(
"SandboxTest::GMPlugin", [self, processPromise, service, thread]() {
service->GetContentParentForTest()->Then(
thread, __func__,
[self, processPromise](
const RefPtr<gmp::GMPContentParent::CloseBlocker>&
wrapper) {
RefPtr<gmp::GMPContentParent> parent = wrapper->mParent;
MOZ_ASSERT(parent,
"Wrapper should wrap a valid parent if we're in "
"this path.");
if (!parent) {
return processPromise->Reject(NS_ERROR_ILLEGAL_VALUE,
__func__);
}
NS_DispatchToMainThread(NS_NewRunnableFunction(
"SandboxTesting::Wrapper", [self, wrapper]() {
self->mGMPContentParentWrapper = wrapper;
}));
return InitializeSandboxTestingActors(parent.get(),
processPromise);
},
[processPromise](const MediaResult& rv) {
return processPromise->Reject(NS_ERROR_FAILURE, __func__);
});
}));
NS_ENSURE_SUCCESS(rv, rv);
break;
}
case GeckoProcessType_Socket: {
// mochitest harness force this variable, but we actually do not want
// that
UnsetEnvVariable("MOZ_DISABLE_SOCKET_PROCESS"_ns);
nsresult rv_pref =
Preferences::SetBool("network.process.enabled", true);
MOZ_ASSERT(rv_pref == NS_OK, "Error enforcing pref");
MOZ_ASSERT(net::gIOService, "No gIOService?");
net::gIOService->CallOrWaitForSocketProcess([processPromise]() {
// If socket process was previously disabled by env,
// nsIOService code will take some time before it creates the new
// process and it triggers this callback
net::SocketProcessParent* parent =
net::SocketProcessParent::GetSingleton();
if (parent) {
return InitializeSandboxTestingActors(parent, processPromise);
}
return processPromise->Reject(NS_ERROR_FAILURE, __func__);
});
break;
}
case GeckoProcessType_Utility: {
RefPtr<UtilityProcessManager> utilityProc =
UtilityProcessManager::GetSingleton();
utilityProc->LaunchProcess(sandboxingKind)
->Then(
GetMainThreadSerialEventTarget(), __func__,
[processPromise, utilityProc, sandboxingKind]() {
RefPtr<UtilityProcessParent> utilityParent =
utilityProc
? utilityProc->GetProcessParent(sandboxingKind)
: nullptr;
if (utilityParent) {
return InitializeSandboxTestingActors(utilityParent.get(),
processPromise);
}
return processPromise->Reject(NS_ERROR_FAILURE, __func__);
},
[processPromise](nsresult aError) {
MOZ_ASSERT_UNREACHABLE(
"SandboxTest; failure to get Utility process");
return processPromise->Reject(aError, __func__);
});
break;
}
default:
MOZ_ASSERT_UNREACHABLE(
"SandboxTest does not yet support this process type");
return NS_ERROR_NOT_IMPLEMENTED;
}
RefPtr<SandboxTest> self = this;
RefPtr<ProcessPromise> aPromise(processPromise);
aPromise->Then(
GetMainThreadSerialEventTarget(), __func__,
[self](SandboxTestingParent* aValue) {
self->mSandboxTestingParents.AppendElement(aValue);
return NS_OK;
},
[](nsresult aError) {
if (aError == NS_OK) {
// There is no such process for this OS. Report test done.
nsCOMPtr<nsIObserverService> observerService =
mozilla::services::GetObserverService();
MOZ_RELEASE_ASSERT(observerService);
observerService->NotifyObservers(nullptr, "sandbox-test-done",
nullptr);
return NS_OK;
}
MOZ_ASSERT_UNREACHABLE("SandboxTest; failure to get a process");
return NS_ERROR_FAILURE;
});
}
return NS_OK;
}
NS_IMETHODIMP
SandboxTest::FinishTests() {
if (mGMPContentParentWrapper) {
RefPtr<gmp::GeckoMediaPluginService> service =
gmp::GeckoMediaPluginService::GetGeckoMediaPluginService();
MOZ_ASSERT(service, "We have a GeckoMediaPluginService");
nsCOMPtr<nsISerialEventTarget> thread = service->GetGMPThread();
nsresult rv = thread->Dispatch(NS_NewRunnableFunction(
"SandboxTest::FinishTests",
[wrapper = std::move(mGMPContentParentWrapper)]() {
// Release mGMPContentWrapper's reference. We hold this to keep an
// active reference on the CloseBlocker produced by GMPService,
// otherwise it would automatically shutdown the GMPlugin thread we
// started.
// If somehow it does not work as expected, then tests will fail
// because of leaks happening on GMPService and others.
}));
NS_ENSURE_SUCCESS(rv, rv);
}
for (SandboxTestingParent* stp : mSandboxTestingParents) {
SandboxTestingParent::Destroy(stp);
}
// Make sure there is no leftover for test --verify to run without failure
mSandboxTestingParents.Clear();
#if defined(XP_WIN)
nsCOMPtr<nsIFile> testFile;
NS_GetSpecialDirectory(NS_APP_USER_PROFILE_50_DIR, getter_AddRefs(testFile));
MOZ_ASSERT(testFile);
nsCOMPtr<nsIFile> testChromeFile;
testFile->Clone(getter_AddRefs(testChromeFile));
testChromeFile->Append(u"chrome"_ns);
testFile->Append(u"sandboxTest.txt"_ns);
if (mChromeDirExisted) {
// Chrome dir existed, just delete test file.
testChromeFile->Append(u"sandboxTest.txt"_ns);
}
testFile->Remove(false);
testChromeFile->Remove(true);
#endif
return NS_OK;
}
} // namespace mozilla
NS_IMPL_COMPONENT_FACTORY(mozISandboxTest) {
return MakeAndAddRef<SandboxTest>().downcast<nsISupports>();
}