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gecko/dom/plugins/ipc/PluginModuleParent.cpp

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* vim: sw=4 ts=4 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/. */
#ifdef MOZ_WIDGET_GTK
#include <glib.h>
#elif XP_MACOSX
#include "PluginInterposeOSX.h"
#include "PluginUtilsOSX.h"
#endif
#ifdef MOZ_WIDGET_QT
#include <QtCore/QCoreApplication>
#include <QtCore/QEventLoop>
#include "NestedLoopTimer.h"
#endif
#include "base/process_util.h"
#include "mozilla/Preferences.h"
#include "mozilla/unused.h"
#include "mozilla/ipc/SyncChannel.h"
#include "mozilla/plugins/PluginModuleParent.h"
#include "mozilla/plugins/BrowserStreamParent.h"
#include "mozilla/dom/PCrashReporterParent.h"
#include "PluginIdentifierParent.h"
#include "nsAutoPtr.h"
#include "nsCRT.h"
#include "nsNPAPIPlugin.h"
#include "nsIFile.h"
#include "nsPrintfCString.h"
#include "prsystem.h"
#ifdef XP_WIN
#include "mozilla/widget/AudioSession.h"
#endif
#include "sampler.h"
using base::KillProcess;
using mozilla::PluginLibrary;
using mozilla::ipc::SyncChannel;
using mozilla::dom::PCrashReporterParent;
using mozilla::dom::CrashReporterParent;
using namespace mozilla;
using namespace mozilla::plugins;
using namespace mozilla::plugins::parent;
#ifdef MOZ_CRASHREPORTER
#include "mozilla/dom/CrashReporterParent.h"
using namespace CrashReporter;
#endif
static const char kChildTimeoutPref[] = "dom.ipc.plugins.timeoutSecs";
static const char kParentTimeoutPref[] = "dom.ipc.plugins.parentTimeoutSecs";
static const char kLaunchTimeoutPref[] = "dom.ipc.plugins.processLaunchTimeoutSecs";
template<>
struct RunnableMethodTraits<mozilla::plugins::PluginModuleParent>
{
typedef mozilla::plugins::PluginModuleParent Class;
static void RetainCallee(Class* obj) { }
static void ReleaseCallee(Class* obj) { }
};
// static
PluginLibrary*
PluginModuleParent::LoadModule(const char* aFilePath)
{
PLUGIN_LOG_DEBUG_FUNCTION;
int32_t prefSecs = Preferences::GetInt(kLaunchTimeoutPref, 0);
// Block on the child process being launched and initialized.
nsAutoPtr<PluginModuleParent> parent(new PluginModuleParent(aFilePath));
bool launched = parent->mSubprocess->Launch(prefSecs * 1000);
if (!launched) {
// Need to set this so the destructor doesn't complain.
parent->mShutdown = true;
return nullptr;
}
parent->Open(parent->mSubprocess->GetChannel(),
parent->mSubprocess->GetChildProcessHandle());
TimeoutChanged(kChildTimeoutPref, parent);
#ifdef MOZ_CRASHREPORTER
// If this fails, we're having IPC troubles, and we're doomed anyways.
if (!CrashReporterParent::CreateCrashReporter(parent.get())) {
parent->mShutdown = true;
return nullptr;
}
#endif
return parent.forget();
}
PluginModuleParent::PluginModuleParent(const char* aFilePath)
: mSubprocess(new PluginProcessParent(aFilePath))
, mShutdown(false)
, mClearSiteDataSupported(false)
, mGetSitesWithDataSupported(false)
, mNPNIface(NULL)
, mPlugin(NULL)
, mTaskFactory(this)
#ifdef XP_WIN
, mPluginCpuUsageOnHang()
#endif
#ifdef MOZ_CRASHREPORTER_INJECTOR
, mFlashProcess1(0)
, mFlashProcess2(0)
#endif
{
NS_ASSERTION(mSubprocess, "Out of memory!");
mIdentifiers.Init();
Preferences::RegisterCallback(TimeoutChanged, kChildTimeoutPref, this);
Preferences::RegisterCallback(TimeoutChanged, kParentTimeoutPref, this);
}
PluginModuleParent::~PluginModuleParent()
{
NS_ASSERTION(OkToCleanup(), "unsafe destruction");
if (!mShutdown) {
NS_WARNING("Plugin host deleted the module without shutting down.");
NPError err;
NP_Shutdown(&err);
}
NS_ASSERTION(mShutdown, "NP_Shutdown didn't");
if (mSubprocess) {
mSubprocess->Delete();
mSubprocess = nullptr;
}
#ifdef MOZ_CRASHREPORTER_INJECTOR
if (mFlashProcess1)
UnregisterInjectorCallback(mFlashProcess1);
if (mFlashProcess2)
UnregisterInjectorCallback(mFlashProcess2);
#endif
Preferences::UnregisterCallback(TimeoutChanged, kChildTimeoutPref, this);
Preferences::UnregisterCallback(TimeoutChanged, kParentTimeoutPref, this);
}
#ifdef MOZ_CRASHREPORTER
void
PluginModuleParent::WriteExtraDataForMinidump(AnnotationTable& notes)
{
typedef nsDependentCString CS;
// Get the plugin filename, try to get just the file leafname
const std::string& pluginFile = mSubprocess->GetPluginFilePath();
size_t filePos = pluginFile.rfind(FILE_PATH_SEPARATOR);
if (filePos == std::string::npos)
filePos = 0;
else
filePos++;
notes.Put(CS("PluginFilename"), CS(pluginFile.substr(filePos).c_str()));
//TODO: add plugin name and version: bug 539841
// (as PluginName, PluginVersion)
notes.Put(CS("PluginName"), CS(""));
notes.Put(CS("PluginVersion"), CS(""));
CrashReporterParent* crashReporter = CrashReporter();
if (crashReporter) {
const nsString& hangID = crashReporter->HangID();
if (!hangID.IsEmpty()) {
notes.Put(CS("HangID"), NS_ConvertUTF16toUTF8(hangID));
#ifdef XP_WIN
if (mPluginCpuUsageOnHang.Length() > 0) {
notes.Put(CS("NumberOfProcessors"),
nsPrintfCString("%d", PR_GetNumberOfProcessors()));
nsCString cpuUsageStr;
cpuUsageStr.AppendFloat(std::ceil(mPluginCpuUsageOnHang[0] * 100) / 100);
notes.Put(CS("PluginCpuUsage"), cpuUsageStr);
#ifdef MOZ_CRASHREPORTER_INJECTOR
for (uint32_t i=1; i<mPluginCpuUsageOnHang.Length(); ++i) {
nsCString tempStr;
tempStr.AppendFloat(std::ceil(mPluginCpuUsageOnHang[i] * 100) / 100);
notes.Put(nsPrintfCString("CpuUsageFlashProcess%d", i), tempStr);
}
#endif
}
#endif
}
}
}
#endif // MOZ_CRASHREPORTER
int
PluginModuleParent::TimeoutChanged(const char* aPref, void* aModule)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thead!");
if (!strcmp(aPref, kChildTimeoutPref)) {
// The timeout value used by the parent for children
int32_t timeoutSecs = Preferences::GetInt(kChildTimeoutPref, 0);
int32 timeoutMs = (timeoutSecs > 0) ? (1000 * timeoutSecs) :
SyncChannel::kNoTimeout;
static_cast<PluginModuleParent*>(aModule)->SetReplyTimeoutMs(timeoutMs);
} else if (!strcmp(aPref, kParentTimeoutPref)) {
// The timeout value used by the child for its parent
int32_t timeoutSecs = Preferences::GetInt(kParentTimeoutPref, 0);
unused << static_cast<PluginModuleParent*>(aModule)->SendSetParentHangTimeout(timeoutSecs);
}
return 0;
}
void
PluginModuleParent::CleanupFromTimeout()
{
if (!mShutdown && OkToCleanup())
Close();
}
#ifdef XP_WIN
namespace {
uint64_t
FileTimeToUTC(const FILETIME& ftime)
{
ULARGE_INTEGER li;
li.LowPart = ftime.dwLowDateTime;
li.HighPart = ftime.dwHighDateTime;
return li.QuadPart;
}
struct CpuUsageSamples
{
uint64_t sampleTimes[2];
uint64_t cpuTimes[2];
};
bool
GetProcessCpuUsage(const InfallibleTArray<base::ProcessHandle>& processHandles, InfallibleTArray<float>& cpuUsage)
{
InfallibleTArray<CpuUsageSamples> samples(processHandles.Length());
FILETIME creationTime, exitTime, kernelTime, userTime, currentTime;
BOOL res;
for (uint32_t i = 0; i < processHandles.Length(); ++i) {
::GetSystemTimeAsFileTime(&currentTime);
res = ::GetProcessTimes(processHandles[i], &creationTime, &exitTime, &kernelTime, &userTime);
if (!res) {
NS_WARNING("failed to get process times");
return false;
}
CpuUsageSamples s;
s.sampleTimes[0] = FileTimeToUTC(currentTime);
s.cpuTimes[0] = FileTimeToUTC(kernelTime) + FileTimeToUTC(userTime);
samples.AppendElement(s);
}
// we already hung for a while, a little bit longer won't matter
::Sleep(50);
const int32_t numberOfProcessors = PR_GetNumberOfProcessors();
for (uint32_t i = 0; i < processHandles.Length(); ++i) {
::GetSystemTimeAsFileTime(&currentTime);
res = ::GetProcessTimes(processHandles[i], &creationTime, &exitTime, &kernelTime, &userTime);
if (!res) {
NS_WARNING("failed to get process times");
return false;
}
samples[i].sampleTimes[1] = FileTimeToUTC(currentTime);
samples[i].cpuTimes[1] = FileTimeToUTC(kernelTime) + FileTimeToUTC(userTime);
const uint64_t deltaSampleTime = samples[i].sampleTimes[1] - samples[i].sampleTimes[0];
const uint64_t deltaCpuTime = samples[i].cpuTimes[1] - samples[i].cpuTimes[0];
const float usage = 100.f * (float(deltaCpuTime) / deltaSampleTime) / numberOfProcessors;
cpuUsage.AppendElement(usage);
}
return true;
}
} // anonymous namespace
#endif // #ifdef XP_WIN
bool
PluginModuleParent::ShouldContinueFromReplyTimeout()
{
#ifdef MOZ_CRASHREPORTER
CrashReporterParent* crashReporter = CrashReporter();
if (crashReporter->GeneratePairedMinidump(this)) {
mBrowserDumpID = crashReporter->ParentDumpID();
mPluginDumpID = crashReporter->ChildDumpID();
PLUGIN_LOG_DEBUG(
("generated paired browser/plugin minidumps: %s/%s (ID=%s)",
NS_ConvertUTF16toUTF8(mBrowserDumpID).get(),
NS_ConvertUTF16toUTF8(mPluginDumpID).get(),
NS_ConvertUTF16toUTF8(crashReporter->HangID()).get()));
} else {
NS_WARNING("failed to capture paired minidumps from hang");
}
#endif
#ifdef XP_WIN
// collect cpu usage for plugin processes
InfallibleTArray<base::ProcessHandle> processHandles;
base::ProcessHandle handle;
processHandles.AppendElement(OtherProcess());
#ifdef MOZ_CRASHREPORTER_INJECTOR
if (mFlashProcess1 && base::OpenProcessHandle(mFlashProcess1, &handle)) {
processHandles.AppendElement(handle);
}
if (mFlashProcess2 && base::OpenProcessHandle(mFlashProcess2, &handle)) {
processHandles.AppendElement(handle);
}
#endif
if (!GetProcessCpuUsage(processHandles, mPluginCpuUsageOnHang)) {
mPluginCpuUsageOnHang.Clear();
}
#endif
// this must run before the error notification from the channel,
// or not at all
MessageLoop::current()->PostTask(
FROM_HERE,
mTaskFactory.NewRunnableMethod(
&PluginModuleParent::CleanupFromTimeout));
if (!KillProcess(OtherProcess(), 1, false))
NS_WARNING("failed to kill subprocess!");
return false;
}
#ifdef MOZ_CRASHREPORTER
CrashReporterParent*
PluginModuleParent::CrashReporter()
{
return static_cast<CrashReporterParent*>(ManagedPCrashReporterParent()[0]);
}
#ifdef MOZ_CRASHREPORTER_INJECTOR
static void
RemoveMinidump(nsIFile* minidump)
{
if (!minidump)
return;
minidump->Remove(false);
nsCOMPtr<nsIFile> extraFile;
if (GetExtraFileForMinidump(minidump,
getter_AddRefs(extraFile))) {
extraFile->Remove(true);
}
}
#endif // MOZ_CRASHREPORTER_INJECTOR
void
PluginModuleParent::ProcessFirstMinidump()
{
CrashReporterParent* crashReporter = CrashReporter();
if (!crashReporter)
return;
AnnotationTable notes;
notes.Init(4);
WriteExtraDataForMinidump(notes);
if (!mPluginDumpID.IsEmpty() && !mBrowserDumpID.IsEmpty()) {
crashReporter->GenerateHangCrashReport(&notes);
return;
}
uint32_t sequence = PR_UINT32_MAX;
nsCOMPtr<nsIFile> dumpFile;
nsCAutoString flashProcessType;
TakeMinidump(getter_AddRefs(dumpFile), &sequence);
#ifdef MOZ_CRASHREPORTER_INJECTOR
nsCOMPtr<nsIFile> childDumpFile;
uint32_t childSequence;
if (mFlashProcess1 &&
TakeMinidumpForChild(mFlashProcess1,
getter_AddRefs(childDumpFile),
&childSequence)) {
if (childSequence < sequence) {
RemoveMinidump(dumpFile);
dumpFile = childDumpFile;
sequence = childSequence;
flashProcessType.AssignLiteral("Broker");
}
else {
RemoveMinidump(childDumpFile);
}
}
if (mFlashProcess2 &&
TakeMinidumpForChild(mFlashProcess2,
getter_AddRefs(childDumpFile),
&childSequence)) {
if (childSequence < sequence) {
RemoveMinidump(dumpFile);
dumpFile = childDumpFile;
sequence = childSequence;
flashProcessType.AssignLiteral("Sandbox");
}
else {
RemoveMinidump(childDumpFile);
}
}
#endif
if (!dumpFile) {
NS_WARNING("[PluginModuleParent::ActorDestroy] abnormal shutdown without minidump!");
return;
}
PLUGIN_LOG_DEBUG(("got child minidump: %s",
NS_ConvertUTF16toUTF8(mPluginDumpID).get()));
GetIDFromMinidump(dumpFile, mPluginDumpID);
if (!flashProcessType.IsEmpty()) {
notes.Put(NS_LITERAL_CSTRING("FlashProcessDump"), flashProcessType);
}
crashReporter->GenerateCrashReportForMinidump(dumpFile, &notes);
}
#endif
void
PluginModuleParent::ActorDestroy(ActorDestroyReason why)
{
switch (why) {
case AbnormalShutdown: {
#ifdef MOZ_CRASHREPORTER
ProcessFirstMinidump();
#endif
mShutdown = true;
// Defer the PluginCrashed method so that we don't re-enter
// and potentially modify the actor child list while enumerating it.
if (mPlugin)
MessageLoop::current()->PostTask(
FROM_HERE,
mTaskFactory.NewRunnableMethod(
&PluginModuleParent::NotifyPluginCrashed));
break;
}
case NormalShutdown:
mShutdown = true;
break;
default:
NS_ERROR("Unexpected shutdown reason for toplevel actor.");
}
}
void
PluginModuleParent::NotifyPluginCrashed()
{
if (!OkToCleanup()) {
// there's still plugin code on the C++ stack. try again
MessageLoop::current()->PostDelayedTask(
FROM_HERE,
mTaskFactory.NewRunnableMethod(
&PluginModuleParent::NotifyPluginCrashed), 10);
return;
}
if (mPlugin)
mPlugin->PluginCrashed(mPluginDumpID, mBrowserDumpID);
}
PPluginIdentifierParent*
PluginModuleParent::AllocPPluginIdentifier(const nsCString& aString,
const int32_t& aInt,
const bool& aTemporary)
{
if (aTemporary) {
NS_ERROR("Plugins don't create temporary identifiers.");
return NULL; // should abort the plugin
}
NPIdentifier npident = aString.IsVoid() ?
mozilla::plugins::parent::_getintidentifier(aInt) :
mozilla::plugins::parent::_getstringidentifier(aString.get());
if (!npident) {
NS_WARNING("Failed to get identifier!");
return nullptr;
}
PluginIdentifierParent* ident = new PluginIdentifierParent(npident, false);
mIdentifiers.Put(npident, ident);
return ident;
}
bool
PluginModuleParent::DeallocPPluginIdentifier(PPluginIdentifierParent* aActor)
{
delete aActor;
return true;
}
PPluginInstanceParent*
PluginModuleParent::AllocPPluginInstance(const nsCString& aMimeType,
const uint16_t& aMode,
const InfallibleTArray<nsCString>& aNames,
const InfallibleTArray<nsCString>& aValues,
NPError* rv)
{
NS_ERROR("Not reachable!");
return NULL;
}
bool
PluginModuleParent::DeallocPPluginInstance(PPluginInstanceParent* aActor)
{
PLUGIN_LOG_DEBUG_METHOD;
delete aActor;
return true;
}
void
PluginModuleParent::SetPluginFuncs(NPPluginFuncs* aFuncs)
{
aFuncs->version = (NP_VERSION_MAJOR << 8) | NP_VERSION_MINOR;
aFuncs->javaClass = nullptr;
// Gecko should always call these functions through a PluginLibrary object.
aFuncs->newp = NULL;
aFuncs->clearsitedata = NULL;
aFuncs->getsiteswithdata = NULL;
aFuncs->destroy = NPP_Destroy;
aFuncs->setwindow = NPP_SetWindow;
aFuncs->newstream = NPP_NewStream;
aFuncs->destroystream = NPP_DestroyStream;
aFuncs->asfile = NPP_StreamAsFile;
aFuncs->writeready = NPP_WriteReady;
aFuncs->write = NPP_Write;
aFuncs->print = NPP_Print;
aFuncs->event = NPP_HandleEvent;
aFuncs->urlnotify = NPP_URLNotify;
aFuncs->getvalue = NPP_GetValue;
aFuncs->setvalue = NPP_SetValue;
aFuncs->gotfocus = NULL;
aFuncs->lostfocus = NULL;
aFuncs->urlredirectnotify = NULL;
// Provide 'NPP_URLRedirectNotify', 'NPP_ClearSiteData', and
// 'NPP_GetSitesWithData' functionality if it is supported by the plugin.
bool urlRedirectSupported = false;
unused << CallOptionalFunctionsSupported(&urlRedirectSupported,
&mClearSiteDataSupported,
&mGetSitesWithDataSupported);
if (urlRedirectSupported) {
aFuncs->urlredirectnotify = NPP_URLRedirectNotify;
}
}
NPError
PluginModuleParent::NPP_Destroy(NPP instance,
NPSavedData** /*saved*/)
{
// FIXME/cjones:
// (1) send a "destroy" message to the child
// (2) the child shuts down its instance
// (3) remove both parent and child IDs from map
// (4) free parent
PLUGIN_LOG_DEBUG_FUNCTION;
PluginInstanceParent* parentInstance =
static_cast<PluginInstanceParent*>(instance->pdata);
if (!parentInstance)
return NPERR_NO_ERROR;
NPError retval = parentInstance->Destroy();
instance->pdata = nullptr;
unused << PluginInstanceParent::Call__delete__(parentInstance);
return retval;
}
NPError
PluginModuleParent::NPP_NewStream(NPP instance, NPMIMEType type,
NPStream* stream, NPBool seekable,
uint16_t* stype)
{
SAMPLE_LABEL("PluginModuleParent", "NPP_NewStream");
PluginInstanceParent* i = InstCast(instance);
if (!i)
return NPERR_GENERIC_ERROR;
return i->NPP_NewStream(type, stream, seekable,
stype);
}
NPError
PluginModuleParent::NPP_SetWindow(NPP instance, NPWindow* window)
{
PluginInstanceParent* i = InstCast(instance);
if (!i)
return NPERR_GENERIC_ERROR;
return i->NPP_SetWindow(window);
}
NPError
PluginModuleParent::NPP_DestroyStream(NPP instance,
NPStream* stream,
NPReason reason)
{
PluginInstanceParent* i = InstCast(instance);
if (!i)
return NPERR_GENERIC_ERROR;
return i->NPP_DestroyStream(stream, reason);
}
int32_t
PluginModuleParent::NPP_WriteReady(NPP instance,
NPStream* stream)
{
BrowserStreamParent* s = StreamCast(instance, stream);
if (!s)
return -1;
return s->WriteReady();
}
int32_t
PluginModuleParent::NPP_Write(NPP instance,
NPStream* stream,
int32_t offset,
int32_t len,
void* buffer)
{
BrowserStreamParent* s = StreamCast(instance, stream);
if (!s)
return -1;
return s->Write(offset, len, buffer);
}
void
PluginModuleParent::NPP_StreamAsFile(NPP instance,
NPStream* stream,
const char* fname)
{
BrowserStreamParent* s = StreamCast(instance, stream);
if (!s)
return;
s->StreamAsFile(fname);
}
void
PluginModuleParent::NPP_Print(NPP instance, NPPrint* platformPrint)
{
PluginInstanceParent* i = InstCast(instance);
if (i)
i->NPP_Print(platformPrint);
}
int16_t
PluginModuleParent::NPP_HandleEvent(NPP instance, void* event)
{
PluginInstanceParent* i = InstCast(instance);
if (!i)
return false;
return i->NPP_HandleEvent(event);
}
void
PluginModuleParent::NPP_URLNotify(NPP instance, const char* url,
NPReason reason, void* notifyData)
{
PluginInstanceParent* i = InstCast(instance);
if (!i)
return;
i->NPP_URLNotify(url, reason, notifyData);
}
NPError
PluginModuleParent::NPP_GetValue(NPP instance,
NPPVariable variable, void *ret_value)
{
PluginInstanceParent* i = InstCast(instance);
if (!i)
return NPERR_GENERIC_ERROR;
return i->NPP_GetValue(variable, ret_value);
}
NPError
PluginModuleParent::NPP_SetValue(NPP instance, NPNVariable variable,
void *value)
{
PluginInstanceParent* i = InstCast(instance);
if (!i)
return NPERR_GENERIC_ERROR;
return i->NPP_SetValue(variable, value);
}
bool
PluginModuleParent::RecvBackUpXResources(const FileDescriptor& aXSocketFd)
{
#ifndef MOZ_X11
NS_RUNTIMEABORT("This message only makes sense on X11 platforms");
#else
NS_ABORT_IF_FALSE(0 > mPluginXSocketFdDup.get(),
"Already backed up X resources??");
mPluginXSocketFdDup.forget();
mPluginXSocketFdDup.reset(aXSocketFd.PlatformHandle());
#endif
return true;
}
void
PluginModuleParent::NPP_URLRedirectNotify(NPP instance, const char* url,
int32_t status, void* notifyData)
{
PluginInstanceParent* i = InstCast(instance);
if (!i)
return;
i->NPP_URLRedirectNotify(url, status, notifyData);
}
bool
PluginModuleParent::AnswerNPN_UserAgent(nsCString* userAgent)
{
*userAgent = NullableString(mNPNIface->uagent(nullptr));
return true;
}
PluginIdentifierParent*
PluginModuleParent::GetIdentifierForNPIdentifier(NPP npp, NPIdentifier aIdentifier)
{
PluginIdentifierParent* ident;
if (mIdentifiers.Get(aIdentifier, &ident)) {
if (ident->IsTemporary()) {
ident->AddTemporaryRef();
}
return ident;
}
nsCString string;
int32_t intval = -1;
bool temporary = false;
if (mozilla::plugins::parent::_identifierisstring(aIdentifier)) {
NPUTF8* chars =
mozilla::plugins::parent::_utf8fromidentifier(aIdentifier);
if (!chars) {
return nullptr;
}
string.Adopt(chars);
temporary = !NPStringIdentifierIsPermanent(npp, aIdentifier);
}
else {
intval = mozilla::plugins::parent::_intfromidentifier(aIdentifier);
string.SetIsVoid(true);
}
ident = new PluginIdentifierParent(aIdentifier, temporary);
if (!SendPPluginIdentifierConstructor(ident, string, intval, temporary))
return nullptr;
if (!temporary) {
mIdentifiers.Put(aIdentifier, ident);
}
return ident;
}
PluginInstanceParent*
PluginModuleParent::InstCast(NPP instance)
{
PluginInstanceParent* ip =
static_cast<PluginInstanceParent*>(instance->pdata);
// If the plugin crashed and the PluginInstanceParent was deleted,
// instance->pdata will be NULL.
if (!ip)
return NULL;
if (instance != ip->mNPP) {
NS_RUNTIMEABORT("Corrupted plugin data.");
}
return ip;
}
BrowserStreamParent*
PluginModuleParent::StreamCast(NPP instance,
NPStream* s)
{
PluginInstanceParent* ip = InstCast(instance);
if (!ip)
return NULL;
BrowserStreamParent* sp =
static_cast<BrowserStreamParent*>(static_cast<AStream*>(s->pdata));
if (sp->mNPP != ip || s != sp->mStream) {
NS_RUNTIMEABORT("Corrupted plugin stream data.");
}
return sp;
}
bool
PluginModuleParent::HasRequiredFunctions()
{
return true;
}
nsresult
PluginModuleParent::AsyncSetWindow(NPP instance, NPWindow* window)
{
PluginInstanceParent* i = InstCast(instance);
if (!i)
return NS_ERROR_FAILURE;
return i->AsyncSetWindow(window);
}
#if defined(MOZ_WIDGET_QT) && (MOZ_PLATFORM_MAEMO == 6)
nsresult
PluginModuleParent::HandleGUIEvent(NPP instance,
const nsGUIEvent& anEvent,
bool* handled)
{
PluginInstanceParent* i = InstCast(instance);
if (!i)
return NS_ERROR_FAILURE;
return i->HandleGUIEvent(anEvent, handled);
}
#endif
nsresult
PluginModuleParent::GetImageContainer(NPP instance,
mozilla::layers::ImageContainer** aContainer)
{
PluginInstanceParent* i = InstCast(instance);
return !i ? NS_ERROR_FAILURE : i->GetImageContainer(aContainer);
}
nsresult
PluginModuleParent::GetImageSize(NPP instance,
nsIntSize* aSize)
{
PluginInstanceParent* i = InstCast(instance);
return !i ? NS_ERROR_FAILURE : i->GetImageSize(aSize);
}
nsresult
PluginModuleParent::SetBackgroundUnknown(NPP instance)
{
PluginInstanceParent* i = InstCast(instance);
if (!i)
return NS_ERROR_FAILURE;
return i->SetBackgroundUnknown();
}
nsresult
PluginModuleParent::BeginUpdateBackground(NPP instance,
const nsIntRect& aRect,
gfxContext** aCtx)
{
PluginInstanceParent* i = InstCast(instance);
if (!i)
return NS_ERROR_FAILURE;
return i->BeginUpdateBackground(aRect, aCtx);
}
nsresult
PluginModuleParent::EndUpdateBackground(NPP instance,
gfxContext* aCtx,
const nsIntRect& aRect)
{
PluginInstanceParent* i = InstCast(instance);
if (!i)
return NS_ERROR_FAILURE;
return i->EndUpdateBackground(aCtx, aRect);
}
#if defined(XP_UNIX) && !defined(XP_MACOSX) && !defined(MOZ_WIDGET_GONK)
nsresult
PluginModuleParent::NP_Initialize(NPNetscapeFuncs* bFuncs, NPPluginFuncs* pFuncs, NPError* error)
{
PLUGIN_LOG_DEBUG_METHOD;
mNPNIface = bFuncs;
if (mShutdown) {
*error = NPERR_GENERIC_ERROR;
return NS_ERROR_FAILURE;
}
uint32_t flags = 0;
if (!CallNP_Initialize(flags, error)) {
return NS_ERROR_FAILURE;
}
else if (*error != NPERR_NO_ERROR) {
return NS_OK;
}
SetPluginFuncs(pFuncs);
return NS_OK;
}
#else
nsresult
PluginModuleParent::NP_Initialize(NPNetscapeFuncs* bFuncs, NPError* error)
{
PLUGIN_LOG_DEBUG_METHOD;
mNPNIface = bFuncs;
if (mShutdown) {
*error = NPERR_GENERIC_ERROR;
return NS_ERROR_FAILURE;
}
uint32_t flags = 0;
#ifdef XP_WIN
flags |= kAllowAsyncDrawing;
#endif
if (!CallNP_Initialize(flags, error))
return NS_ERROR_FAILURE;
#if defined XP_WIN
// Send the info needed to join the chrome process's audio session to the
// plugin process
nsID id;
nsString sessionName;
nsString iconPath;
if (NS_SUCCEEDED(mozilla::widget::GetAudioSessionData(id, sessionName,
iconPath)))
unused << SendSetAudioSessionData(id, sessionName, iconPath);
#endif
#ifdef MOZ_CRASHREPORTER_INJECTOR
InitializeInjector();
#endif
return NS_OK;
}
#endif
nsresult
PluginModuleParent::NP_Shutdown(NPError* error)
{
PLUGIN_LOG_DEBUG_METHOD;
if (mShutdown) {
*error = NPERR_GENERIC_ERROR;
return NS_ERROR_FAILURE;
}
bool ok = CallNP_Shutdown(error);
// if NP_Shutdown() is nested within another RPC call, this will
// break things. but lord help us if we're doing that anyway; the
// plugin dso will have been unloaded on the other side by the
// CallNP_Shutdown() message
Close();
return ok ? NS_OK : NS_ERROR_FAILURE;
}
nsresult
PluginModuleParent::NP_GetMIMEDescription(const char** mimeDesc)
{
PLUGIN_LOG_DEBUG_METHOD;
*mimeDesc = "application/x-foobar";
return NS_OK;
}
nsresult
PluginModuleParent::NP_GetValue(void *future, NPPVariable aVariable,
void *aValue, NPError* error)
{
PR_LOG(gPluginLog, PR_LOG_WARNING, ("%s Not implemented, requested variable %i", __FUNCTION__,
(int) aVariable));
//TODO: implement this correctly
*error = NPERR_GENERIC_ERROR;
return NS_OK;
}
#if defined(XP_WIN) || defined(XP_MACOSX) || defined(XP_OS2)
nsresult
PluginModuleParent::NP_GetEntryPoints(NPPluginFuncs* pFuncs, NPError* error)
{
NS_ASSERTION(pFuncs, "Null pointer!");
// We need to have the child process update its function table
// here by actually calling NP_GetEntryPoints since the parent's
// function table can reflect NULL entries in the child's table.
if (!CallNP_GetEntryPoints(error)) {
return NS_ERROR_FAILURE;
}
else if (*error != NPERR_NO_ERROR) {
return NS_OK;
}
SetPluginFuncs(pFuncs);
return NS_OK;
}
#endif
nsresult
PluginModuleParent::NPP_New(NPMIMEType pluginType, NPP instance,
uint16_t mode, int16_t argc, char* argn[],
char* argv[], NPSavedData* saved,
NPError* error)
{
PLUGIN_LOG_DEBUG_METHOD;
if (mShutdown) {
*error = NPERR_GENERIC_ERROR;
return NS_ERROR_FAILURE;
}
// create the instance on the other side
InfallibleTArray<nsCString> names;
InfallibleTArray<nsCString> values;
for (int i = 0; i < argc; ++i) {
names.AppendElement(NullableString(argn[i]));
values.AppendElement(NullableString(argv[i]));
}
PluginInstanceParent* parentInstance =
new PluginInstanceParent(this, instance,
nsDependentCString(pluginType), mNPNIface);
if (!parentInstance->Init()) {
delete parentInstance;
return NS_ERROR_FAILURE;
}
instance->pdata = parentInstance;
if (!CallPPluginInstanceConstructor(parentInstance,
nsDependentCString(pluginType), mode,
names, values, error)) {
// |parentInstance| is automatically deleted.
instance->pdata = nullptr;
// if IPC is down, we'll get an immediate "failed" return, but
// without *error being set. So make sure that the error
// condition is signaled to nsNPAPIPluginInstance
if (NPERR_NO_ERROR == *error)
*error = NPERR_GENERIC_ERROR;
return NS_ERROR_FAILURE;
}
if (*error != NPERR_NO_ERROR) {
NPP_Destroy(instance, 0);
return NS_ERROR_FAILURE;
}
TimeoutChanged(kParentTimeoutPref, this);
return NS_OK;
}
nsresult
PluginModuleParent::NPP_ClearSiteData(const char* site, uint64_t flags,
uint64_t maxAge)
{
if (!mClearSiteDataSupported)
return NS_ERROR_NOT_AVAILABLE;
NPError result;
if (!CallNPP_ClearSiteData(NullableString(site), flags, maxAge, &result))
return NS_ERROR_FAILURE;
switch (result) {
case NPERR_NO_ERROR:
return NS_OK;
case NPERR_TIME_RANGE_NOT_SUPPORTED:
return NS_ERROR_PLUGIN_TIME_RANGE_NOT_SUPPORTED;
case NPERR_MALFORMED_SITE:
return NS_ERROR_INVALID_ARG;
default:
return NS_ERROR_FAILURE;
}
}
nsresult
PluginModuleParent::NPP_GetSitesWithData(InfallibleTArray<nsCString>& result)
{
if (!mGetSitesWithDataSupported)
return NS_ERROR_NOT_AVAILABLE;
if (!CallNPP_GetSitesWithData(&result))
return NS_ERROR_FAILURE;
return NS_OK;
}
#if defined(XP_MACOSX)
nsresult
PluginModuleParent::IsRemoteDrawingCoreAnimation(NPP instance, bool *aDrawing)
{
PluginInstanceParent* i = InstCast(instance);
if (!i)
return NS_ERROR_FAILURE;
return i->IsRemoteDrawingCoreAnimation(aDrawing);
}
#endif
bool
PluginModuleParent::AnswerNPN_GetValue_WithBoolReturn(const NPNVariable& aVariable,
NPError* aError,
bool* aBoolVal)
{
NPBool boolVal = false;
*aError = mozilla::plugins::parent::_getvalue(nullptr, aVariable, &boolVal);
*aBoolVal = boolVal ? true : false;
return true;
}
#if defined(MOZ_WIDGET_QT)
static const int kMaxtimeToProcessEvents = 30;
bool
PluginModuleParent::AnswerProcessSomeEvents()
{
PLUGIN_LOG_DEBUG(("Spinning mini nested loop ..."));
QCoreApplication::processEvents(QEventLoop::AllEvents, kMaxtimeToProcessEvents);
PLUGIN_LOG_DEBUG(("... quitting mini nested loop"));
return true;
}
#elif defined(XP_MACOSX)
bool
PluginModuleParent::AnswerProcessSomeEvents()
{
mozilla::plugins::PluginUtilsOSX::InvokeNativeEventLoop();
return true;
}
#elif !defined(MOZ_WIDGET_GTK)
bool
PluginModuleParent::AnswerProcessSomeEvents()
{
NS_RUNTIMEABORT("unreached");
return false;
}
#else
static const int kMaxChancesToProcessEvents = 20;
bool
PluginModuleParent::AnswerProcessSomeEvents()
{
PLUGIN_LOG_DEBUG(("Spinning mini nested loop ..."));
int i = 0;
for (; i < kMaxChancesToProcessEvents; ++i)
if (!g_main_context_iteration(NULL, FALSE))
break;
PLUGIN_LOG_DEBUG(("... quitting mini nested loop; processed %i tasks", i));
return true;
}
#endif
bool
PluginModuleParent::RecvProcessNativeEventsInRPCCall()
{
PLUGIN_LOG_DEBUG(("%s", FULLFUNCTION));
#if defined(OS_WIN)
ProcessNativeEventsInRPCCall();
return true;
#else
NS_NOTREACHED(
"PluginModuleParent::RecvProcessNativeEventsInRPCCall not implemented!");
return false;
#endif
}
void
PluginModuleParent::ProcessRemoteNativeEventsInRPCCall()
{
#if defined(OS_WIN)
unused << SendProcessNativeEventsInRPCCall();
return;
#endif
NS_NOTREACHED(
"PluginModuleParent::ProcessRemoteNativeEventsInRPCCall not implemented!");
}
bool
PluginModuleParent::RecvPluginShowWindow(const uint32_t& aWindowId, const bool& aModal,
const int32_t& aX, const int32_t& aY,
const size_t& aWidth, const size_t& aHeight)
{
PLUGIN_LOG_DEBUG(("%s", FULLFUNCTION));
#if defined(XP_MACOSX)
CGRect windowBound = ::CGRectMake(aX, aY, aWidth, aHeight);
mac_plugin_interposing::parent::OnPluginShowWindow(aWindowId, windowBound, aModal);
return true;
#else
NS_NOTREACHED(
"PluginInstanceParent::RecvPluginShowWindow not implemented!");
return false;
#endif
}
bool
PluginModuleParent::RecvPluginHideWindow(const uint32_t& aWindowId)
{
PLUGIN_LOG_DEBUG(("%s", FULLFUNCTION));
#if defined(XP_MACOSX)
mac_plugin_interposing::parent::OnPluginHideWindow(aWindowId, OtherSidePID());
return true;
#else
NS_NOTREACHED(
"PluginInstanceParent::RecvPluginHideWindow not implemented!");
return false;
#endif
}
PCrashReporterParent*
PluginModuleParent::AllocPCrashReporter(mozilla::dom::NativeThreadId* id,
uint32_t* processType)
{
#ifdef MOZ_CRASHREPORTER
return new CrashReporterParent();
#else
return nullptr;
#endif
}
bool
PluginModuleParent::DeallocPCrashReporter(PCrashReporterParent* actor)
{
delete actor;
return true;
}
bool
PluginModuleParent::RecvSetCursor(const NSCursorInfo& aCursorInfo)
{
PLUGIN_LOG_DEBUG(("%s", FULLFUNCTION));
#if defined(XP_MACOSX)
mac_plugin_interposing::parent::OnSetCursor(aCursorInfo);
return true;
#else
NS_NOTREACHED(
"PluginInstanceParent::RecvSetCursor not implemented!");
return false;
#endif
}
bool
PluginModuleParent::RecvShowCursor(const bool& aShow)
{
PLUGIN_LOG_DEBUG(("%s", FULLFUNCTION));
#if defined(XP_MACOSX)
mac_plugin_interposing::parent::OnShowCursor(aShow);
return true;
#else
NS_NOTREACHED(
"PluginInstanceParent::RecvShowCursor not implemented!");
return false;
#endif
}
bool
PluginModuleParent::RecvPushCursor(const NSCursorInfo& aCursorInfo)
{
PLUGIN_LOG_DEBUG(("%s", FULLFUNCTION));
#if defined(XP_MACOSX)
mac_plugin_interposing::parent::OnPushCursor(aCursorInfo);
return true;
#else
NS_NOTREACHED(
"PluginInstanceParent::RecvPushCursor not implemented!");
return false;
#endif
}
bool
PluginModuleParent::RecvPopCursor()
{
PLUGIN_LOG_DEBUG(("%s", FULLFUNCTION));
#if defined(XP_MACOSX)
mac_plugin_interposing::parent::OnPopCursor();
return true;
#else
NS_NOTREACHED(
"PluginInstanceParent::RecvPopCursor not implemented!");
return false;
#endif
}
bool
PluginModuleParent::RecvGetNativeCursorsSupported(bool* supported)
{
PLUGIN_LOG_DEBUG(("%s", FULLFUNCTION));
#if defined(XP_MACOSX)
*supported =
Preferences::GetBool("dom.ipc.plugins.nativeCursorSupport", false);
return true;
#else
NS_NOTREACHED(
"PluginInstanceParent::RecvGetNativeCursorSupportLevel not implemented!");
return false;
#endif
}
bool
PluginModuleParent::RecvNPN_SetException(PPluginScriptableObjectParent* aActor,
const nsCString& aMessage)
{
PLUGIN_LOG_DEBUG(("%s", FULLFUNCTION));
NPObject* aNPObj = NULL;
if (aActor) {
aNPObj = static_cast<PluginScriptableObjectParent*>(aActor)->GetObject(true);
if (!aNPObj) {
NS_ERROR("Failed to get object!");
return false;
}
}
mozilla::plugins::parent::_setexception(aNPObj, NullableStringGet(aMessage));
return true;
}
bool
PluginModuleParent::RecvNPN_ReloadPlugins(const bool& aReloadPages)
{
PLUGIN_LOG_DEBUG(("%s", FULLFUNCTION));
mozilla::plugins::parent::_reloadplugins(aReloadPages);
return true;
}
#ifdef MOZ_CRASHREPORTER_INJECTOR
// We only add the crash reporter to subprocess which have the filename
// FlashPlayerPlugin*
#define FLASH_PROCESS_PREFIX "FLASHPLAYERPLUGIN"
static DWORD
GetFlashChildOfPID(DWORD pid, HANDLE snapshot)
{
PROCESSENTRY32 entry = {
sizeof(entry)
};
for (BOOL ok = Process32First(snapshot, &entry);
ok;
ok = Process32Next(snapshot, &entry)) {
if (entry.th32ParentProcessID == pid) {
nsString name(entry.szExeFile);
ToUpperCase(name);
if (StringBeginsWith(name, NS_LITERAL_STRING(FLASH_PROCESS_PREFIX))) {
return entry.th32ProcessID;
}
}
}
return 0;
}
// We only look for child processes of the Flash plugin, NPSWF*
#define FLASH_PLUGIN_PREFIX "NPSWF"
void
PluginModuleParent::InitializeInjector()
{
if (!Preferences::GetBool("dom.ipc.plugins.flash.subprocess.crashreporter.enabled", false))
return;
nsCString path(Process()->GetPluginFilePath().c_str());
ToUpperCase(path);
int32_t lastSlash = path.RFindCharInSet("\\/");
if (kNotFound == lastSlash)
return;
if (!StringBeginsWith(Substring(path, lastSlash + 1),
NS_LITERAL_CSTRING(FLASH_PLUGIN_PREFIX)))
return;
HANDLE snapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
if (INVALID_HANDLE_VALUE == snapshot)
return;
DWORD pluginProcessPID = GetProcessId(Process()->GetChildProcessHandle());
mFlashProcess1 = GetFlashChildOfPID(pluginProcessPID, snapshot);
if (mFlashProcess1) {
InjectCrashReporterIntoProcess(mFlashProcess1, this);
mFlashProcess2 = GetFlashChildOfPID(mFlashProcess1, snapshot);
if (mFlashProcess2) {
InjectCrashReporterIntoProcess(mFlashProcess2, this);
}
}
}
void
PluginModuleParent::OnCrash(DWORD processID)
{
GetIPCChannel()->CloseWithError();
KillProcess(OtherProcess(), 1, false);
}
#endif // MOZ_CRASHREPORTER_INJECTOR
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