gecko/ipc/glue/BackgroundParentImpl.cpp

733 lines
19 KiB
C++

/* 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 "BackgroundParentImpl.h"
#include "BroadcastChannelParent.h"
#include "FileDescriptorSetParent.h"
#include "mozilla/media/MediaParent.h"
#include "mozilla/AppProcessChecker.h"
#include "mozilla/Assertions.h"
#include "mozilla/dom/ContentParent.h"
#include "mozilla/dom/PBlobParent.h"
#include "mozilla/dom/ServiceWorkerRegistrar.h"
#include "mozilla/dom/cache/ActorUtils.h"
#include "mozilla/dom/indexedDB/ActorsParent.h"
#include "mozilla/dom/ipc/BlobParent.h"
#include "mozilla/ipc/BackgroundParent.h"
#include "mozilla/ipc/BackgroundUtils.h"
#include "mozilla/ipc/PBackgroundSharedTypes.h"
#include "mozilla/ipc/PBackgroundTestParent.h"
#include "mozilla/layout/VsyncParent.h"
#include "mozilla/dom/network/UDPSocketParent.h"
#include "nsIAppsService.h"
#include "nsNetUtil.h"
#include "nsRefPtr.h"
#include "nsThreadUtils.h"
#include "nsTraceRefcnt.h"
#include "nsXULAppAPI.h"
#ifdef DISABLE_ASSERTS_FOR_FUZZING
#define ASSERT_UNLESS_FUZZING(...) do { } while (0)
#else
#define ASSERT_UNLESS_FUZZING(...) MOZ_ASSERT(false)
#endif
using mozilla::ipc::AssertIsOnBackgroundThread;
using mozilla::dom::cache::PCacheParent;
using mozilla::dom::cache::PCacheStorageParent;
using mozilla::dom::cache::PCacheStreamControlParent;
using mozilla::dom::UDPSocketParent;
namespace {
void
AssertIsInMainProcess()
{
MOZ_ASSERT(XRE_GetProcessType() == GeckoProcessType_Default);
}
void
AssertIsOnMainThread()
{
MOZ_ASSERT(NS_IsMainThread());
}
class TestParent final : public mozilla::ipc::PBackgroundTestParent
{
friend class mozilla::ipc::BackgroundParentImpl;
TestParent()
{
MOZ_COUNT_CTOR(TestParent);
}
protected:
~TestParent()
{
MOZ_COUNT_DTOR(TestParent);
}
public:
virtual void
ActorDestroy(ActorDestroyReason aWhy) override;
};
} // anonymous namespace
namespace mozilla {
namespace ipc {
using mozilla::dom::ContentParent;
using mozilla::dom::BroadcastChannelParent;
using mozilla::dom::ServiceWorkerRegistrationData;
BackgroundParentImpl::BackgroundParentImpl()
{
AssertIsInMainProcess();
AssertIsOnMainThread();
MOZ_COUNT_CTOR(mozilla::ipc::BackgroundParentImpl);
}
BackgroundParentImpl::~BackgroundParentImpl()
{
AssertIsInMainProcess();
AssertIsOnMainThread();
MOZ_COUNT_DTOR(mozilla::ipc::BackgroundParentImpl);
}
void
BackgroundParentImpl::ActorDestroy(ActorDestroyReason aWhy)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
}
BackgroundParentImpl::PBackgroundTestParent*
BackgroundParentImpl::AllocPBackgroundTestParent(const nsCString& aTestArg)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
return new TestParent();
}
bool
BackgroundParentImpl::RecvPBackgroundTestConstructor(
PBackgroundTestParent* aActor,
const nsCString& aTestArg)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
MOZ_ASSERT(aActor);
return PBackgroundTestParent::Send__delete__(aActor, aTestArg);
}
bool
BackgroundParentImpl::DeallocPBackgroundTestParent(
PBackgroundTestParent* aActor)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
MOZ_ASSERT(aActor);
delete static_cast<TestParent*>(aActor);
return true;
}
auto
BackgroundParentImpl::AllocPBackgroundIDBFactoryParent(
const LoggingInfo& aLoggingInfo)
-> PBackgroundIDBFactoryParent*
{
using mozilla::dom::indexedDB::AllocPBackgroundIDBFactoryParent;
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
return AllocPBackgroundIDBFactoryParent(aLoggingInfo);
}
bool
BackgroundParentImpl::RecvPBackgroundIDBFactoryConstructor(
PBackgroundIDBFactoryParent* aActor,
const LoggingInfo& aLoggingInfo)
{
using mozilla::dom::indexedDB::RecvPBackgroundIDBFactoryConstructor;
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
MOZ_ASSERT(aActor);
return RecvPBackgroundIDBFactoryConstructor(aActor, aLoggingInfo);
}
bool
BackgroundParentImpl::DeallocPBackgroundIDBFactoryParent(
PBackgroundIDBFactoryParent* aActor)
{
using mozilla::dom::indexedDB::DeallocPBackgroundIDBFactoryParent;
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
MOZ_ASSERT(aActor);
return DeallocPBackgroundIDBFactoryParent(aActor);
}
auto
BackgroundParentImpl::AllocPBlobParent(const BlobConstructorParams& aParams)
-> PBlobParent*
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
if (NS_WARN_IF(aParams.type() !=
BlobConstructorParams::TParentBlobConstructorParams)) {
ASSERT_UNLESS_FUZZING();
return nullptr;
}
return mozilla::dom::BlobParent::Create(this, aParams);
}
bool
BackgroundParentImpl::DeallocPBlobParent(PBlobParent* aActor)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
MOZ_ASSERT(aActor);
mozilla::dom::BlobParent::Destroy(aActor);
return true;
}
PFileDescriptorSetParent*
BackgroundParentImpl::AllocPFileDescriptorSetParent(
const FileDescriptor& aFileDescriptor)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
return new FileDescriptorSetParent(aFileDescriptor);
}
bool
BackgroundParentImpl::DeallocPFileDescriptorSetParent(
PFileDescriptorSetParent* aActor)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
MOZ_ASSERT(aActor);
delete static_cast<FileDescriptorSetParent*>(aActor);
return true;
}
BackgroundParentImpl::PVsyncParent*
BackgroundParentImpl::AllocPVsyncParent()
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
nsRefPtr<mozilla::layout::VsyncParent> actor =
mozilla::layout::VsyncParent::Create();
// There still has one ref-count after return, and it will be released in
// DeallocPVsyncParent().
return actor.forget().take();
}
bool
BackgroundParentImpl::DeallocPVsyncParent(PVsyncParent* aActor)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
MOZ_ASSERT(aActor);
// This actor already has one ref-count. Please check AllocPVsyncParent().
nsRefPtr<mozilla::layout::VsyncParent> actor =
dont_AddRef(static_cast<mozilla::layout::VsyncParent*>(aActor));
return true;
}
namespace {
class InitUDPSocketParentCallback final : public nsRunnable
{
public:
InitUDPSocketParentCallback(UDPSocketParent* aActor,
const nsACString& aFilter)
: mActor(aActor)
, mFilter(aFilter)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
}
NS_IMETHODIMP
Run()
{
AssertIsInMainProcess();
IPC::Principal principal;
if (!mActor->Init(principal, mFilter)) {
MOZ_CRASH("UDPSocketCallback - failed init");
}
return NS_OK;
}
private:
~InitUDPSocketParentCallback() {};
nsRefPtr<UDPSocketParent> mActor;
nsCString mFilter;
};
}
auto
BackgroundParentImpl::AllocPUDPSocketParent(const OptionalPrincipalInfo& /* unused */,
const nsCString& /* unused */)
-> PUDPSocketParent*
{
nsRefPtr<UDPSocketParent> p = new UDPSocketParent(this);
return p.forget().take();
}
bool
BackgroundParentImpl::RecvPUDPSocketConstructor(PUDPSocketParent* aActor,
const OptionalPrincipalInfo& aOptionalPrincipal,
const nsCString& aFilter)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
if (aOptionalPrincipal.type() == OptionalPrincipalInfo::TPrincipalInfo) {
// Support for checking principals (for non-mtransport use) will be handled in
// bug 1167039
return false;
}
// No principal - This must be from mtransport (WebRTC/ICE) - We'd want
// to DispatchToMainThread() here, but if we do we must block RecvBind()
// until Init() gets run. Since we don't have a principal, and we verify
// we have a filter, we can safely skip the Dispatch and just invoke Init()
// to install the filter.
// For mtransport, this will always be "stun", which doesn't allow outbound packets if
// they aren't STUN packets until a STUN response is seen.
if (!aFilter.EqualsASCII("stun")) {
return false;
}
IPC::Principal principal;
if (!static_cast<UDPSocketParent*>(aActor)->Init(principal, aFilter)) {
MOZ_CRASH("UDPSocketCallback - failed init");
}
return true;
}
bool
BackgroundParentImpl::DeallocPUDPSocketParent(PUDPSocketParent* actor)
{
UDPSocketParent* p = static_cast<UDPSocketParent*>(actor);
p->Release();
return true;
}
mozilla::dom::PBroadcastChannelParent*
BackgroundParentImpl::AllocPBroadcastChannelParent(
const PrincipalInfo& aPrincipalInfo,
const nsString& aOrigin,
const nsString& aChannel,
const bool& aPrivateBrowsing)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
return new BroadcastChannelParent(aPrincipalInfo, aOrigin, aChannel,
aPrivateBrowsing);
}
namespace {
class CheckPrincipalRunnable final : public nsRunnable
{
public:
CheckPrincipalRunnable(already_AddRefed<ContentParent> aParent,
const PrincipalInfo& aPrincipalInfo,
const nsString& aOrigin)
: mContentParent(aParent)
, mPrincipalInfo(aPrincipalInfo)
, mOrigin(aOrigin)
, mBackgroundThread(NS_GetCurrentThread())
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
MOZ_ASSERT(mContentParent);
MOZ_ASSERT(mBackgroundThread);
}
NS_IMETHODIMP Run()
{
MOZ_ASSERT(NS_IsMainThread());
struct MOZ_STACK_CLASS RunRAII
{
explicit RunRAII(nsRefPtr<ContentParent>& aContentParent)
: mContentParent(aContentParent)
{}
~RunRAII()
{
mContentParent = nullptr;
}
nsRefPtr<ContentParent>& mContentParent;
};
RunRAII raii(mContentParent);
nsCOMPtr<nsIPrincipal> principal = PrincipalInfoToPrincipal(mPrincipalInfo);
AssertAppPrincipal(mContentParent, principal);
bool isNullPrincipal;
nsresult rv = principal->GetIsNullPrincipal(&isNullPrincipal);
if (NS_WARN_IF(NS_FAILED(rv)) || isNullPrincipal) {
mContentParent->KillHard("BroadcastChannel killed: no null principal.");
return NS_OK;
}
nsCOMPtr<nsIURI> uri;
rv = NS_NewURI(getter_AddRefs(uri), mOrigin);
if (NS_FAILED(rv) || !uri) {
mContentParent->KillHard("BroadcastChannel killed: invalid origin URI.");
return NS_OK;
}
rv = principal->CheckMayLoad(uri, false, false);
if (NS_FAILED(rv)) {
mContentParent->KillHard("BroadcastChannel killed: the url cannot be loaded by the principal.");
return NS_OK;
}
return NS_OK;
}
private:
nsRefPtr<ContentParent> mContentParent;
PrincipalInfo mPrincipalInfo;
nsString mOrigin;
nsCOMPtr<nsIThread> mBackgroundThread;
};
} // anonymous namespace
bool
BackgroundParentImpl::RecvPBroadcastChannelConstructor(
PBroadcastChannelParent* actor,
const PrincipalInfo& aPrincipalInfo,
const nsString& aOrigin,
const nsString& aChannel,
const bool& aPrivateBrowsing)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
nsRefPtr<ContentParent> parent = BackgroundParent::GetContentParent(this);
// If the ContentParent is null we are dealing with a same-process actor.
if (!parent) {
MOZ_ASSERT(aPrincipalInfo.type() != PrincipalInfo::TNullPrincipalInfo);
return true;
}
nsRefPtr<CheckPrincipalRunnable> runnable =
new CheckPrincipalRunnable(parent.forget(), aPrincipalInfo, aOrigin);
nsresult rv = NS_DispatchToMainThread(runnable);
MOZ_ALWAYS_TRUE(NS_SUCCEEDED(rv));
return true;
}
bool
BackgroundParentImpl::DeallocPBroadcastChannelParent(
PBroadcastChannelParent* aActor)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
MOZ_ASSERT(aActor);
delete static_cast<BroadcastChannelParent*>(aActor);
return true;
}
media::PMediaParent*
BackgroundParentImpl::AllocPMediaParent()
{
return media::AllocPMediaParent();
}
bool
BackgroundParentImpl::DeallocPMediaParent(media::PMediaParent *aActor)
{
return media::DeallocPMediaParent(aActor);
}
namespace {
class RegisterServiceWorkerCallback final : public nsRunnable
{
public:
explicit RegisterServiceWorkerCallback(
const ServiceWorkerRegistrationData& aData)
: mData(aData)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
}
NS_IMETHODIMP
Run()
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
nsRefPtr<dom::ServiceWorkerRegistrar> service =
dom::ServiceWorkerRegistrar::Get();
MOZ_ASSERT(service);
service->RegisterServiceWorker(mData);
return NS_OK;
}
private:
ServiceWorkerRegistrationData mData;
};
class UnregisterServiceWorkerCallback final : public nsRunnable
{
public:
UnregisterServiceWorkerCallback(const PrincipalInfo& aPrincipalInfo,
const nsString& aScope)
: mPrincipalInfo(aPrincipalInfo)
, mScope(aScope)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
}
NS_IMETHODIMP
Run()
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
nsRefPtr<dom::ServiceWorkerRegistrar> service =
dom::ServiceWorkerRegistrar::Get();
MOZ_ASSERT(service);
service->UnregisterServiceWorker(mPrincipalInfo,
NS_ConvertUTF16toUTF8(mScope));
return NS_OK;
}
private:
const PrincipalInfo mPrincipalInfo;
nsString mScope;
};
class CheckPrincipalWithCallbackRunnable final : public nsRunnable
{
public:
CheckPrincipalWithCallbackRunnable(already_AddRefed<ContentParent> aParent,
const PrincipalInfo& aPrincipalInfo,
nsRunnable* aCallback)
: mContentParent(aParent)
, mPrincipalInfo(aPrincipalInfo)
, mCallback(aCallback)
, mBackgroundThread(NS_GetCurrentThread())
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
MOZ_ASSERT(mContentParent);
MOZ_ASSERT(mCallback);
MOZ_ASSERT(mBackgroundThread);
}
NS_IMETHODIMP Run()
{
if (NS_IsMainThread()) {
nsCOMPtr<nsIPrincipal> principal = PrincipalInfoToPrincipal(mPrincipalInfo);
AssertAppPrincipal(mContentParent, principal);
mContentParent = nullptr;
mBackgroundThread->Dispatch(this, NS_DISPATCH_NORMAL);
return NS_OK;
}
AssertIsOnBackgroundThread();
if (mCallback) {
mCallback->Run();
mCallback = nullptr;
}
return NS_OK;
}
private:
nsRefPtr<ContentParent> mContentParent;
PrincipalInfo mPrincipalInfo;
nsRefPtr<nsRunnable> mCallback;
nsCOMPtr<nsIThread> mBackgroundThread;
};
} // anonymous namespace
bool
BackgroundParentImpl::RecvRegisterServiceWorker(
const ServiceWorkerRegistrationData& aData)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
// Basic validation.
if (aData.scope().IsEmpty() ||
aData.scriptSpec().IsEmpty() ||
aData.principal().type() == PrincipalInfo::TNullPrincipalInfo ||
aData.principal().type() == PrincipalInfo::TSystemPrincipalInfo) {
return false;
}
nsRefPtr<RegisterServiceWorkerCallback> callback =
new RegisterServiceWorkerCallback(aData);
nsRefPtr<ContentParent> parent = BackgroundParent::GetContentParent(this);
// If the ContentParent is null we are dealing with a same-process actor.
if (!parent) {
callback->Run();
return true;
}
nsRefPtr<CheckPrincipalWithCallbackRunnable> runnable =
new CheckPrincipalWithCallbackRunnable(parent.forget(), aData.principal(),
callback);
nsresult rv = NS_DispatchToMainThread(runnable);
MOZ_ALWAYS_TRUE(NS_SUCCEEDED(rv));
return true;
}
bool
BackgroundParentImpl::RecvUnregisterServiceWorker(
const PrincipalInfo& aPrincipalInfo,
const nsString& aScope)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
// Basic validation.
if (aScope.IsEmpty() ||
aPrincipalInfo.type() == PrincipalInfo::TNullPrincipalInfo ||
aPrincipalInfo.type() == PrincipalInfo::TSystemPrincipalInfo) {
return false;
}
nsRefPtr<UnregisterServiceWorkerCallback> callback =
new UnregisterServiceWorkerCallback(aPrincipalInfo, aScope);
nsRefPtr<ContentParent> parent = BackgroundParent::GetContentParent(this);
// If the ContentParent is null we are dealing with a same-process actor.
if (!parent) {
callback->Run();
return true;
}
nsRefPtr<CheckPrincipalWithCallbackRunnable> runnable =
new CheckPrincipalWithCallbackRunnable(parent.forget(), aPrincipalInfo,
callback);
nsresult rv = NS_DispatchToMainThread(runnable);
MOZ_ALWAYS_TRUE(NS_SUCCEEDED(rv));
return true;
}
bool
BackgroundParentImpl::RecvShutdownServiceWorkerRegistrar()
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
if (BackgroundParent::IsOtherProcessActor(this)) {
return false;
}
nsRefPtr<dom::ServiceWorkerRegistrar> service =
dom::ServiceWorkerRegistrar::Get();
MOZ_ASSERT(service);
service->Shutdown();
return true;
}
PCacheStorageParent*
BackgroundParentImpl::AllocPCacheStorageParent(const Namespace& aNamespace,
const PrincipalInfo& aPrincipalInfo)
{
return dom::cache::AllocPCacheStorageParent(this, aNamespace, aPrincipalInfo);
}
bool
BackgroundParentImpl::DeallocPCacheStorageParent(PCacheStorageParent* aActor)
{
dom::cache::DeallocPCacheStorageParent(aActor);
return true;
}
PCacheParent*
BackgroundParentImpl::AllocPCacheParent()
{
MOZ_CRASH("CacheParent actor must be provided to PBackground manager");
return nullptr;
}
bool
BackgroundParentImpl::DeallocPCacheParent(PCacheParent* aActor)
{
dom::cache::DeallocPCacheParent(aActor);
return true;
}
PCacheStreamControlParent*
BackgroundParentImpl::AllocPCacheStreamControlParent()
{
MOZ_CRASH("CacheStreamControlParent actor must be provided to PBackground manager");
return nullptr;
}
bool
BackgroundParentImpl::DeallocPCacheStreamControlParent(PCacheStreamControlParent* aActor)
{
dom::cache::DeallocPCacheStreamControlParent(aActor);
return true;
}
} // namespace ipc
} // namespace mozilla
void
TestParent::ActorDestroy(ActorDestroyReason aWhy)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
}