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fune/dom/plugins/ipc/PluginModuleParent.cpp
Phil Ringnalda 0c888c27eb Backed out 15 changesets (bug 1070755, bug 998863) for e10s bustage 
CLOSED TREE

Backed out changeset 076d1d47d601 (bug 1070755)
Backed out changeset 43819af59ca5 (bug 998863)
Backed out changeset 5f587697ae63 (bug 998863)
Backed out changeset e2cf239e8572 (bug 998863)
Backed out changeset fe21b6b789ce (bug 998863)
Backed out changeset 404f59f86edc (bug 998863)
Backed out changeset 5dd57abaf2b0 (bug 998863)
Backed out changeset 6c1f006a03bc (bug 998863)
Backed out changeset 9e69875e3667 (bug 998863)
Backed out changeset c6b68f8f72ba (bug 998863)
Backed out changeset 713799a7afe4 (bug 998863)
Backed out changeset 4244d662787c (bug 998863)
Backed out changeset ba058cc7a1b2 (bug 998863)
Backed out changeset dabc69b0b09a (bug 998863)
Backed out changeset 18dad6d2e7cc (bug 998863)
2014-12-24 18:28:45 -08:00

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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_QT
#include "PluginHelperQt.h"
#endif
#include "mozilla/plugins/PluginModuleParent.h"
#include "base/process_util.h"
#include "mozilla/Attributes.h"
#include "mozilla/dom/ContentParent.h"
#include "mozilla/dom/ContentChild.h"
#include "mozilla/dom/PCrashReporterParent.h"
#include "mozilla/ipc/MessageChannel.h"
#include "mozilla/plugins/BrowserStreamParent.h"
#include "mozilla/plugins/PluginBridge.h"
#include "mozilla/plugins/PluginInstanceParent.h"
#include "mozilla/Preferences.h"
#include "mozilla/Services.h"
#include "mozilla/Telemetry.h"
#include "mozilla/unused.h"
#include "nsAutoPtr.h"
#include "nsCRT.h"
#include "nsIFile.h"
#include "nsIObserverService.h"
#include "nsNPAPIPlugin.h"
#include "nsPrintfCString.h"
#include "prsystem.h"
#include "GeckoProfiler.h"
#include "nsPluginTags.h"
#ifdef XP_WIN
#include "PluginHangUIParent.h"
#include "mozilla/widget/AudioSession.h"
#endif
#ifdef MOZ_ENABLE_PROFILER_SPS
#include "nsIProfiler.h"
#include "nsIProfileSaveEvent.h"
#endif
#ifdef MOZ_WIDGET_GTK
#include <glib.h>
#elif XP_MACOSX
#include "PluginInterposeOSX.h"
#include "PluginUtilsOSX.h"
#endif
using base::KillProcess;
using mozilla::PluginLibrary;
using mozilla::ipc::MessageChannel;
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";
#ifdef XP_WIN
static const char kHangUITimeoutPref[] = "dom.ipc.plugins.hangUITimeoutSecs";
static const char kHangUIMinDisplayPref[] = "dom.ipc.plugins.hangUIMinDisplaySecs";
#define CHILD_TIMEOUT_PREF kHangUITimeoutPref
#else
#define CHILD_TIMEOUT_PREF kChildTimeoutPref
#endif
template<>
struct RunnableMethodTraits<mozilla::plugins::PluginModuleParent>
{
typedef mozilla::plugins::PluginModuleParent Class;
static void RetainCallee(Class* obj) { }
static void ReleaseCallee(Class* obj) { }
};
bool
mozilla::plugins::SetupBridge(uint32_t aPluginId, dom::ContentParent* aContentParent)
{
nsRefPtr<nsPluginHost> host = nsPluginHost::GetInst();
nsRefPtr<nsNPAPIPlugin> plugin;
nsresult rv = host->GetPluginForContentProcess(aPluginId, getter_AddRefs(plugin));
if (NS_FAILED(rv)) {
return false;
}
PluginModuleParent* chromeParent = static_cast<PluginModuleParent*>(plugin->GetLibrary());
return PPluginModule::Bridge(aContentParent, chromeParent);
}
PluginModuleContentParent* PluginModuleContentParent::sSavedModuleParent;
/* static */ PluginLibrary*
PluginModuleContentParent::LoadModule(uint32_t aPluginId)
{
MOZ_ASSERT(!sSavedModuleParent);
MOZ_ASSERT(XRE_GetProcessType() == GeckoProcessType_Content);
/*
* We send a LoadPlugin message to the chrome process using an intr
* message. Before it sends its response, it sends a message to create
* PluginModuleParent instance. That message is handled by
* PluginModuleContentParent::Create, which saves the instance in
* sSavedModuleParent. We fetch it from there after LoadPlugin finishes.
*/
dom::ContentChild* cp = dom::ContentChild::GetSingleton();
if (!cp->SendLoadPlugin(aPluginId)) {
return nullptr;
}
PluginModuleContentParent* parent = sSavedModuleParent;
MOZ_ASSERT(parent);
sSavedModuleParent = nullptr;
return parent;
}
/* static */ PluginModuleContentParent*
PluginModuleContentParent::Create(mozilla::ipc::Transport* aTransport,
base::ProcessId aOtherProcess)
{
nsAutoPtr<PluginModuleContentParent> parent(new PluginModuleContentParent());
ProcessHandle handle;
if (!base::OpenProcessHandle(aOtherProcess, &handle)) {
// Bug 1090578 - need to kill |aOtherProcess|, it's boned.
return nullptr;
}
MOZ_ASSERT(!sSavedModuleParent);
sSavedModuleParent = parent;
DebugOnly<bool> ok = parent->Open(aTransport, handle, XRE_GetIOMessageLoop(),
mozilla::ipc::ParentSide);
MOZ_ASSERT(ok);
// Request Windows message deferral behavior on our channel. This
// applies to the top level and all sub plugin protocols since they
// all share the same channel.
parent->GetIPCChannel()->SetChannelFlags(MessageChannel::REQUIRE_DEFERRED_MESSAGE_PROTECTION);
return parent.forget();
}
// static
PluginLibrary*
PluginModuleChromeParent::LoadModule(const char* aFilePath, uint32_t aPluginId,
nsPluginTag* aPluginTag)
{
PLUGIN_LOG_DEBUG_FUNCTION;
int32_t prefSecs = Preferences::GetInt(kLaunchTimeoutPref, 0);
// Block on the child process being launched and initialized.
nsAutoPtr<PluginModuleChromeParent> parent(new PluginModuleChromeParent(aFilePath, aPluginId));
TimeStamp launchStart = TimeStamp::Now();
bool launched = parent->mSubprocess->Launch(prefSecs * 1000);
if (!launched) {
// We never reached open
parent->mShutdown = true;
return nullptr;
}
TimeStamp launchEnd = TimeStamp::Now();
parent->mTimeBlocked = (launchEnd - launchStart);
parent->Open(parent->mSubprocess->GetChannel(),
parent->mSubprocess->GetChildProcessHandle());
// Request Windows message deferral behavior on our channel. This
// applies to the top level and all sub plugin protocols since they
// all share the same channel.
parent->GetIPCChannel()->SetChannelFlags(MessageChannel::REQUIRE_DEFERRED_MESSAGE_PROTECTION);
TimeoutChanged(CHILD_TIMEOUT_PREF, parent);
#ifdef MOZ_CRASHREPORTER
// If this fails, we're having IPC troubles, and we're doomed anyways.
if (!CrashReporterParent::CreateCrashReporter(parent.get())) {
parent->Close();
return nullptr;
}
#ifdef XP_WIN
mozilla::MutexAutoLock lock(parent->mCrashReporterMutex);
parent->mCrashReporter = parent->CrashReporter();
#endif
#endif
#ifdef XP_WIN
if (aPluginTag->mIsFlashPlugin &&
Preferences::GetBool("dom.ipc.plugins.flash.disable-protected-mode", false)) {
parent->SendDisableFlashProtectedMode();
}
#endif
return parent.forget();
}
PluginModuleParent::PluginModuleParent(bool aIsChrome)
: mIsChrome(aIsChrome)
, mShutdown(false)
, mClearSiteDataSupported(false)
, mGetSitesWithDataSupported(false)
, mNPNIface(nullptr)
, mPlugin(nullptr)
, mTaskFactory(MOZ_THIS_IN_INITIALIZER_LIST())
{
}
PluginModuleParent::~PluginModuleParent()
{
if (!OkToCleanup()) {
NS_RUNTIMEABORT("unsafe destruction");
}
if (!mShutdown) {
NS_WARNING("Plugin host deleted the module without shutting down.");
NPError err;
NP_Shutdown(&err);
}
}
PluginModuleContentParent::PluginModuleContentParent()
: PluginModuleParent(false)
{
}
PluginModuleChromeParent::PluginModuleChromeParent(const char* aFilePath, uint32_t aPluginId)
: PluginModuleParent(true)
, mSubprocess(new PluginProcessParent(aFilePath))
, mPluginId(aPluginId)
, mChromeTaskFactory(MOZ_THIS_IN_INITIALIZER_LIST())
, mHangAnnotationFlags(0)
#ifdef XP_WIN
, mPluginCpuUsageOnHang()
, mHangUIParent(nullptr)
, mHangUIEnabled(true)
, mIsTimerReset(true)
#ifdef MOZ_CRASHREPORTER
, mCrashReporterMutex("PluginModuleParent::mCrashReporterMutex")
, mCrashReporter(nullptr)
#endif
#endif
#ifdef MOZ_CRASHREPORTER_INJECTOR
, mFlashProcess1(0)
, mFlashProcess2(0)
#endif
{
NS_ASSERTION(mSubprocess, "Out of memory!");
Preferences::RegisterCallback(TimeoutChanged, kChildTimeoutPref, this);
Preferences::RegisterCallback(TimeoutChanged, kParentTimeoutPref, this);
#ifdef XP_WIN
Preferences::RegisterCallback(TimeoutChanged, kHangUITimeoutPref, this);
Preferences::RegisterCallback(TimeoutChanged, kHangUIMinDisplayPref, this);
#endif
RegisterSettingsCallbacks();
#ifdef MOZ_ENABLE_PROFILER_SPS
InitPluginProfiling();
#endif
mozilla::HangMonitor::RegisterAnnotator(*this);
}
PluginModuleChromeParent::~PluginModuleChromeParent()
{
if (!OkToCleanup()) {
NS_RUNTIMEABORT("unsafe destruction");
}
#ifdef MOZ_ENABLE_PROFILER_SPS
ShutdownPluginProfiling();
#endif
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
UnregisterSettingsCallbacks();
Preferences::UnregisterCallback(TimeoutChanged, kChildTimeoutPref, this);
Preferences::UnregisterCallback(TimeoutChanged, kParentTimeoutPref, this);
#ifdef XP_WIN
Preferences::UnregisterCallback(TimeoutChanged, kHangUITimeoutPref, this);
Preferences::UnregisterCallback(TimeoutChanged, kHangUIMinDisplayPref, this);
if (mHangUIParent) {
delete mHangUIParent;
mHangUIParent = nullptr;
}
#endif
mozilla::HangMonitor::UnregisterAnnotator(*this);
}
#ifdef MOZ_CRASHREPORTER
void
PluginModuleChromeParent::WriteExtraDataForMinidump(AnnotationTable& notes)
{
#ifdef XP_WIN
// mCrashReporterMutex is already held by the caller
mCrashReporterMutex.AssertCurrentThreadOwns();
#endif
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(NS_LITERAL_CSTRING("PluginFilename"), CS(pluginFile.substr(filePos).c_str()));
notes.Put(NS_LITERAL_CSTRING("PluginName"), mPluginName);
notes.Put(NS_LITERAL_CSTRING("PluginVersion"), mPluginVersion);
CrashReporterParent* crashReporter = CrashReporter();
if (crashReporter) {
#ifdef XP_WIN
if (mPluginCpuUsageOnHang.Length() > 0) {
notes.Put(NS_LITERAL_CSTRING("NumberOfProcessors"),
nsPrintfCString("%d", PR_GetNumberOfProcessors()));
nsCString cpuUsageStr;
cpuUsageStr.AppendFloat(std::ceil(mPluginCpuUsageOnHang[0] * 100) / 100);
notes.Put(NS_LITERAL_CSTRING("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
void
PluginModuleChromeParent::SetChildTimeout(const int32_t aChildTimeout)
{
int32_t timeoutMs = (aChildTimeout > 0) ? (1000 * aChildTimeout) :
MessageChannel::kNoTimeout;
SetReplyTimeoutMs(timeoutMs);
}
void
PluginModuleChromeParent::TimeoutChanged(const char* aPref, void* aModule)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
#ifndef XP_WIN
if (!strcmp(aPref, kChildTimeoutPref)) {
// The timeout value used by the parent for children
int32_t timeoutSecs = Preferences::GetInt(kChildTimeoutPref, 0);
static_cast<PluginModuleChromeParent*>(aModule)->SetChildTimeout(timeoutSecs);
#else
if (!strcmp(aPref, kChildTimeoutPref) ||
!strcmp(aPref, kHangUIMinDisplayPref) ||
!strcmp(aPref, kHangUITimeoutPref)) {
static_cast<PluginModuleChromeParent*>(aModule)->EvaluateHangUIState(true);
#endif // XP_WIN
} 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<PluginModuleChromeParent*>(aModule)->SendSetParentHangTimeout(timeoutSecs);
}
}
void
PluginModuleChromeParent::CleanupFromTimeout(const bool aFromHangUI)
{
if (mShutdown) {
return;
}
if (!OkToCleanup()) {
// there's still plugin code on the C++ stack, try again
MessageLoop::current()->PostDelayedTask(
FROM_HERE,
mChromeTaskFactory.NewRunnableMethod(
&PluginModuleChromeParent::CleanupFromTimeout, aFromHangUI), 10);
return;
}
/* If the plugin container was terminated by the Plugin Hang UI,
then either the I/O thread detects a channel error, or the
main thread must set the error (whomever gets there first).
OTOH, if we terminate and return false from
ShouldContinueFromReplyTimeout, then the channel state has
already been set to ChannelTimeout and we should call the
regular Close function. */
if (aFromHangUI) {
GetIPCChannel()->CloseWithError();
} else {
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
void
PluginModuleChromeParent::EnteredCxxStack()
{
mHangAnnotationFlags |= kInPluginCall;
}
void
PluginModuleChromeParent::ExitedCxxStack()
{
mHangAnnotationFlags = 0;
#ifdef XP_WIN
FinishHangUI();
#endif
}
/**
* This function is always called by the HangMonitor thread.
*/
void
PluginModuleChromeParent::AnnotateHang(mozilla::HangMonitor::HangAnnotations& aAnnotations)
{
uint32_t flags = mHangAnnotationFlags;
if (flags) {
/* We don't actually annotate anything specifically for kInPluginCall;
we use it to determine whether to annotate other things. It will
be pretty obvious from the ChromeHang stack that we're in a plugin
call when the hang occurred. */
if (flags & kHangUIShown) {
aAnnotations.AddAnnotation(NS_LITERAL_STRING("HangUIShown"),
true);
}
if (flags & kHangUIContinued) {
aAnnotations.AddAnnotation(NS_LITERAL_STRING("HangUIContinued"),
true);
}
if (flags & kHangUIDontShow) {
aAnnotations.AddAnnotation(NS_LITERAL_STRING("HangUIDontShow"),
true);
}
aAnnotations.AddAnnotation(NS_LITERAL_STRING("pluginName"), mPluginName);
aAnnotations.AddAnnotation(NS_LITERAL_STRING("pluginVersion"),
mPluginVersion);
}
}
#ifdef MOZ_CRASHREPORTER_INJECTOR
static bool
CreateFlashMinidump(DWORD processId, ThreadId childThread,
nsIFile* parentMinidump, const nsACString& name)
{
if (processId == 0) {
return false;
}
base::ProcessHandle handle;
if (!base::OpenPrivilegedProcessHandle(processId, &handle)) {
return false;
}
bool res = CreateAdditionalChildMinidump(handle, 0, parentMinidump, name);
base::CloseProcessHandle(handle);
return res;
}
#endif
bool
PluginModuleChromeParent::ShouldContinueFromReplyTimeout()
{
#ifdef XP_WIN
if (LaunchHangUI()) {
return true;
}
// If LaunchHangUI returned false then we should proceed with the
// original plugin hang behaviour and kill the plugin container.
FinishHangUI();
#endif // XP_WIN
TerminateChildProcess(MessageLoop::current());
GetIPCChannel()->CloseWithTimeout();
return false;
}
void
PluginModuleChromeParent::TerminateChildProcess(MessageLoop* aMsgLoop)
{
#ifdef MOZ_CRASHREPORTER
#ifdef XP_WIN
mozilla::MutexAutoLock lock(mCrashReporterMutex);
CrashReporterParent* crashReporter = mCrashReporter;
if (!crashReporter) {
// If mCrashReporter is null then the hang has ended, the plugin module
// is shutting down. There's nothing to do here.
return;
}
#else
CrashReporterParent* crashReporter = CrashReporter();
#endif
crashReporter->AnnotateCrashReport(NS_LITERAL_CSTRING("PluginHang"),
NS_LITERAL_CSTRING("1"));
#ifdef XP_WIN
if (mHangUIParent) {
unsigned int hangUIDuration = mHangUIParent->LastShowDurationMs();
if (hangUIDuration) {
nsPrintfCString strHangUIDuration("%u", hangUIDuration);
crashReporter->AnnotateCrashReport(
NS_LITERAL_CSTRING("PluginHangUIDuration"),
strHangUIDuration);
}
}
#endif // XP_WIN
if (crashReporter->GeneratePairedMinidump(this)) {
mPluginDumpID = crashReporter->ChildDumpID();
PLUGIN_LOG_DEBUG(
("generated paired browser/plugin minidumps: %s)",
NS_ConvertUTF16toUTF8(mPluginDumpID).get()));
nsAutoCString additionalDumps("browser");
#ifdef MOZ_CRASHREPORTER_INJECTOR
nsCOMPtr<nsIFile> pluginDumpFile;
if (GetMinidumpForID(mPluginDumpID, getter_AddRefs(pluginDumpFile)) &&
pluginDumpFile) {
nsCOMPtr<nsIFile> childDumpFile;
if (CreateFlashMinidump(mFlashProcess1, 0, pluginDumpFile,
NS_LITERAL_CSTRING("flash1"))) {
additionalDumps.AppendLiteral(",flash1");
}
if (CreateFlashMinidump(mFlashProcess2, 0, pluginDumpFile,
NS_LITERAL_CSTRING("flash2"))) {
additionalDumps.AppendLiteral(",flash2");
}
}
#endif
crashReporter->AnnotateCrashReport(
NS_LITERAL_CSTRING("additional_minidumps"),
additionalDumps);
} else {
NS_WARNING("failed to capture paired minidumps from hang");
}
#endif
#ifdef XP_WIN
// collect cpu usage for plugin processes
InfallibleTArray<base::ProcessHandle> processHandles;
processHandles.AppendElement(OtherProcess());
#ifdef MOZ_CRASHREPORTER_INJECTOR
{
base::ProcessHandle handle;
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
bool isFromHangUI = aMsgLoop != MessageLoop::current();
aMsgLoop->PostTask(
FROM_HERE,
mChromeTaskFactory.NewRunnableMethod(
&PluginModuleChromeParent::CleanupFromTimeout, isFromHangUI));
if (!KillProcess(OtherProcess(), 1, false))
NS_WARNING("failed to kill subprocess!");
}
bool
PluginModuleParent::GetPluginDetails(nsACString& aPluginName,
nsACString& aPluginVersion)
{
nsRefPtr<nsPluginHost> host = nsPluginHost::GetInst();
if (!host) {
return false;
}
nsPluginTag* pluginTag = host->TagForPlugin(mPlugin);
if (!pluginTag) {
return false;
}
aPluginName = pluginTag->mName;
aPluginVersion = pluginTag->mVersion;
return true;
}
#ifdef XP_WIN
void
PluginModuleChromeParent::EvaluateHangUIState(const bool aReset)
{
int32_t minDispSecs = Preferences::GetInt(kHangUIMinDisplayPref, 10);
int32_t autoStopSecs = Preferences::GetInt(kChildTimeoutPref, 0);
int32_t timeoutSecs = 0;
if (autoStopSecs > 0 && autoStopSecs < minDispSecs) {
/* If we're going to automatically terminate the plugin within a
time frame shorter than minDispSecs, there's no point in
showing the hang UI; it would just flash briefly on the screen. */
mHangUIEnabled = false;
} else {
timeoutSecs = Preferences::GetInt(kHangUITimeoutPref, 0);
mHangUIEnabled = timeoutSecs > 0;
}
if (mHangUIEnabled) {
if (aReset) {
mIsTimerReset = true;
SetChildTimeout(timeoutSecs);
return;
} else if (mIsTimerReset) {
/* The Hang UI is being shown, so now we're setting the
timeout to kChildTimeoutPref while we wait for a user
response. ShouldContinueFromReplyTimeout will fire
after (reply timeout / 2) seconds, which is not what
we want. Doubling the timeout value here so that we get
the right result. */
autoStopSecs *= 2;
}
}
mIsTimerReset = false;
SetChildTimeout(autoStopSecs);
}
bool
PluginModuleChromeParent::LaunchHangUI()
{
if (!mHangUIEnabled) {
return false;
}
if (mHangUIParent) {
if (mHangUIParent->IsShowing()) {
// We've already shown the UI but the timeout has expired again.
return false;
}
if (mHangUIParent->DontShowAgain()) {
mHangAnnotationFlags |= kHangUIDontShow;
bool wasLastHangStopped = mHangUIParent->WasLastHangStopped();
if (!wasLastHangStopped) {
mHangAnnotationFlags |= kHangUIContinued;
}
return !wasLastHangStopped;
}
delete mHangUIParent;
mHangUIParent = nullptr;
}
mHangUIParent = new PluginHangUIParent(this,
Preferences::GetInt(kHangUITimeoutPref, 0),
Preferences::GetInt(kChildTimeoutPref, 0));
bool retval = mHangUIParent->Init(NS_ConvertUTF8toUTF16(mPluginName));
if (retval) {
mHangAnnotationFlags |= kHangUIShown;
/* Once the UI is shown we switch the timeout over to use
kChildTimeoutPref, allowing us to terminate a hung plugin
after kChildTimeoutPref seconds if the user doesn't respond to
the hang UI. */
EvaluateHangUIState(false);
}
return retval;
}
void
PluginModuleChromeParent::FinishHangUI()
{
if (mHangUIEnabled && mHangUIParent) {
bool needsCancel = mHangUIParent->IsShowing();
// If we're still showing, send a Cancel notification
if (needsCancel) {
mHangUIParent->Cancel();
}
/* If we cancelled the UI or if the user issued a response,
we need to reset the child process timeout. */
if (needsCancel ||
(!mIsTimerReset && mHangUIParent->WasShown())) {
/* We changed the timeout to kChildTimeoutPref when the plugin hang
UI was displayed. Now that we're finishing the UI, we need to
switch it back to kHangUITimeoutPref. */
EvaluateHangUIState(true);
}
}
}
void
PluginModuleChromeParent::OnHangUIContinue()
{
mHangAnnotationFlags |= kHangUIContinued;
}
#endif // XP_WIN
#ifdef MOZ_CRASHREPORTER
CrashReporterParent*
PluginModuleChromeParent::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
PluginModuleChromeParent::ProcessFirstMinidump()
{
#ifdef XP_WIN
mozilla::MutexAutoLock lock(mCrashReporterMutex);
#endif
CrashReporterParent* crashReporter = CrashReporter();
if (!crashReporter)
return;
AnnotationTable notes(4);
WriteExtraDataForMinidump(notes);
if (!mPluginDumpID.IsEmpty()) {
crashReporter->GenerateChildData(&notes);
return;
}
uint32_t sequence = UINT32_MAX;
nsCOMPtr<nsIFile> dumpFile;
nsAutoCString 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: {
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_RUNTIMEABORT("Unexpected shutdown reason for toplevel actor.");
}
}
void
PluginModuleChromeParent::ActorDestroy(ActorDestroyReason why)
{
if (why == AbnormalShutdown) {
#ifdef MOZ_CRASHREPORTER
ProcessFirstMinidump();
#endif
Telemetry::Accumulate(Telemetry::SUBPROCESS_ABNORMAL_ABORT,
NS_LITERAL_CSTRING("plugin"), 1);
}
// We can't broadcast settings changes anymore.
UnregisterSettingsCallbacks();
PluginModuleParent::ActorDestroy(why);
}
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);
}
PPluginInstanceParent*
PluginModuleParent::AllocPPluginInstanceParent(const nsCString& aMimeType,
const uint16_t& aMode,
const InfallibleTArray<nsCString>& aNames,
const InfallibleTArray<nsCString>& aValues,
NPError* rv)
{
NS_ERROR("Not reachable!");
return nullptr;
}
bool
PluginModuleParent::DeallocPPluginInstanceParent(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 = nullptr;
aFuncs->clearsitedata = nullptr;
aFuncs->getsiteswithdata = nullptr;
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 = nullptr;
aFuncs->lostfocus = nullptr;
aFuncs->urlredirectnotify = nullptr;
// 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)
{
PROFILER_LABEL("PluginModuleParent", "NPP_NewStream",
js::ProfileEntry::Category::OTHER);
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();
if (aXSocketFd.IsValid()) {
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);
}
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 nullptr.
if (!ip)
return nullptr;
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 nullptr;
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);
}
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);
}
class OfflineObserver MOZ_FINAL : public nsIObserver
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIOBSERVER
explicit OfflineObserver(PluginModuleChromeParent* pmp)
: mPmp(pmp)
{}
private:
~OfflineObserver() {}
PluginModuleChromeParent* mPmp;
};
NS_IMPL_ISUPPORTS(OfflineObserver, nsIObserver)
NS_IMETHODIMP
OfflineObserver::Observe(nsISupports *aSubject,
const char *aTopic,
const char16_t *aData)
{
MOZ_ASSERT(!strcmp(aTopic, "ipc:network:set-offline"));
mPmp->CachedSettingChanged();
return NS_OK;
}
static const char* kSettingsPrefs[] =
{"javascript.enabled",
"dom.ipc.plugins.nativeCursorSupport"};
void
PluginModuleChromeParent::RegisterSettingsCallbacks()
{
for (size_t i = 0; i < ArrayLength(kSettingsPrefs); i++) {
Preferences::RegisterCallback(CachedSettingChanged, kSettingsPrefs[i], this);
}
nsCOMPtr<nsIObserverService> observerService = mozilla::services::GetObserverService();
if (observerService) {
mOfflineObserver = new OfflineObserver(this);
observerService->AddObserver(mOfflineObserver, "ipc:network:set-offline", false);
}
}
void
PluginModuleChromeParent::UnregisterSettingsCallbacks()
{
for (size_t i = 0; i < ArrayLength(kSettingsPrefs); i++) {
Preferences::UnregisterCallback(CachedSettingChanged, kSettingsPrefs[i], this);
}
nsCOMPtr<nsIObserverService> observerService = mozilla::services::GetObserverService();
if (observerService) {
observerService->RemoveObserver(mOfflineObserver, "ipc:network:set-offline");
mOfflineObserver = nullptr;
}
}
bool
PluginModuleParent::GetSetting(NPNVariable aVariable)
{
NPBool boolVal = false;
mozilla::plugins::parent::_getvalue(nullptr, aVariable, &boolVal);
return boolVal;
}
void
PluginModuleParent::GetSettings(PluginSettings* aSettings)
{
aSettings->javascriptEnabled() = GetSetting(NPNVjavascriptEnabledBool);
aSettings->asdEnabled() = GetSetting(NPNVasdEnabledBool);
aSettings->isOffline() = GetSetting(NPNVisOfflineBool);
aSettings->supportsXembed() = GetSetting(NPNVSupportsXEmbedBool);
aSettings->supportsWindowless() = GetSetting(NPNVSupportsWindowless);
aSettings->userAgent() = NullableString(mNPNIface->uagent(nullptr));
#if defined(XP_MACOSX)
aSettings->nativeCursorsSupported() =
Preferences::GetBool("dom.ipc.plugins.nativeCursorSupport", false);
#else
// Need to initialize this to satisfy IPDL.
aSettings->nativeCursorsSupported() = false;
#endif
}
void
PluginModuleChromeParent::CachedSettingChanged()
{
PluginSettings settings;
GetSettings(&settings);
unused << SendSettingChanged(settings);
}
/* static */ void
PluginModuleChromeParent::CachedSettingChanged(const char* aPref, void* aModule)
{
PluginModuleChromeParent *module = static_cast<PluginModuleChromeParent*>(aModule);
module->CachedSettingChanged();
}
#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;
}
*error = NPERR_NO_ERROR;
if (IsChrome()) {
PluginSettings settings;
GetSettings(&settings);
TimeStamp callNpInitStart = TimeStamp::Now();
if (!CallNP_Initialize(settings, error)) {
Close();
return NS_ERROR_FAILURE;
}
else if (*error != NPERR_NO_ERROR) {
Close();
return NS_OK;
}
TimeStamp callNpInitEnd = TimeStamp::Now();
mTimeBlocked += (callNpInitEnd - callNpInitStart);
}
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;
}
*error = NPERR_NO_ERROR;
return NS_OK;
}
nsresult
PluginModuleChromeParent::NP_Initialize(NPNetscapeFuncs* bFuncs, NPError* error)
{
nsresult rv = PluginModuleParent::NP_Initialize(bFuncs, error);
if (NS_FAILED(rv))
return rv;
PluginSettings settings;
GetSettings(&settings);
TimeStamp callNpInitStart = TimeStamp::Now();
if (!CallNP_Initialize(settings, error)) {
Close();
return NS_ERROR_FAILURE;
}
if (*error != NPERR_NO_ERROR) {
Close();
return NS_OK;
}
TimeStamp callNpInitEnd = TimeStamp::Now();
mTimeBlocked += (callNpInitEnd - callNpInitStart);
#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 = true;
if (IsChrome()) {
ok = CallNP_Shutdown(error);
}
// if NP_Shutdown() is nested within another interrupt 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(GetPluginLog(), 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)
nsresult
PluginModuleParent::NP_GetEntryPoints(NPPluginFuncs* pFuncs, NPError* error)
{
NS_ASSERTION(pFuncs, "Null pointer!");
// We need to have the plugin process update its function table here by
// actually calling NP_GetEntryPoints. The parent's function table will
// reflect nullptr entries in the child's table once SetPluginFuncs is
// called.
if (IsChrome()) {
if (!CallNP_GetEntryPoints(error)) {
return NS_ERROR_FAILURE;
}
else if (*error != NPERR_NO_ERROR) {
return NS_OK;
}
}
*error = NPERR_NO_ERROR;
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;
}
if (mPluginName.IsEmpty()) {
GetPluginDetails(mPluginName, mPluginVersion);
/** mTimeBlocked measures the time that the main thread has been blocked
* on plugin module initialization. As implemented, this is the sum of
* plugin-container launch + toolhelp32 snapshot + NP_Initialize.
* We don't accumulate its value until here because the plugin info
* is not available until *after* NP_Initialize.
*/
Telemetry::Accumulate(Telemetry::BLOCKED_ON_PLUGIN_MODULE_INIT_MS,
GetHistogramKey(),
static_cast<uint32_t>(mTimeBlocked.ToMilliseconds()));
mTimeBlocked = TimeDuration();
}
// 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;
{ // Scope for timer
Telemetry::AutoTimer<Telemetry::BLOCKED_ON_PLUGIN_INSTANCE_INIT_MS>
timer(GetHistogramKey());
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;
}
UpdatePluginTimeout();
return NS_OK;
}
void
PluginModuleChromeParent::UpdatePluginTimeout()
{
TimeoutChanged(kParentTimeoutPref, this);
}
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);
}
nsresult
PluginModuleParent::ContentsScaleFactorChanged(NPP instance, double aContentsScaleFactor)
{
PluginInstanceParent* i = InstCast(instance);
if (!i)
return NS_ERROR_FAILURE;
return i->ContentsScaleFactorChanged(aContentsScaleFactor);
}
#endif // #if defined(XP_MACOSX)
#if defined(MOZ_WIDGET_QT)
bool
PluginModuleParent::AnswerProcessSomeEvents()
{
PLUGIN_LOG_DEBUG(("Spinning mini nested loop ..."));
PluginHelperQt::AnswerProcessSomeEvents();
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(nullptr, FALSE))
break;
PLUGIN_LOG_DEBUG(("... quitting mini nested loop; processed %i tasks", i));
return true;
}
#endif
bool
PluginModuleParent::RecvProcessNativeEventsInInterruptCall()
{
PLUGIN_LOG_DEBUG(("%s", FULLFUNCTION));
#if defined(OS_WIN)
ProcessNativeEventsInInterruptCall();
return true;
#else
NS_NOTREACHED(
"PluginModuleParent::RecvProcessNativeEventsInInterruptCall not implemented!");
return false;
#endif
}
void
PluginModuleParent::ProcessRemoteNativeEventsInInterruptCall()
{
#if defined(OS_WIN)
unused << SendProcessNativeEventsInInterruptCall();
return;
#endif
NS_NOTREACHED(
"PluginModuleParent::ProcessRemoteNativeEventsInInterruptCall 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::AllocPCrashReporterParent(mozilla::dom::NativeThreadId* id,
uint32_t* processType)
{
MOZ_CRASH("unreachable");
}
bool
PluginModuleParent::DeallocPCrashReporterParent(PCrashReporterParent* actor)
{
MOZ_CRASH("unreachable");
}
PCrashReporterParent*
PluginModuleChromeParent::AllocPCrashReporterParent(mozilla::dom::NativeThreadId* id,
uint32_t* processType)
{
#ifdef MOZ_CRASHREPORTER
return new CrashReporterParent();
#else
return nullptr;
#endif
}
bool
PluginModuleChromeParent::DeallocPCrashReporterParent(PCrashReporterParent* actor)
{
#ifdef MOZ_CRASHREPORTER
#ifdef XP_WIN
mozilla::MutexAutoLock lock(mCrashReporterMutex);
if (actor == static_cast<PCrashReporterParent*>(mCrashReporter)) {
mCrashReporter = nullptr;
}
#endif
#endif
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::RecvNPN_SetException(const nsCString& aMessage)
{
PLUGIN_LOG_DEBUG(("%s", FULLFUNCTION));
// This function ignores its first argument.
mozilla::plugins::parent::_setexception(nullptr, NullableStringGet(aMessage));
return true;
}
bool
PluginModuleParent::RecvNPN_ReloadPlugins(const bool& aReloadPages)
{
PLUGIN_LOG_DEBUG(("%s", FULLFUNCTION));
mozilla::plugins::parent::_reloadplugins(aReloadPages);
return true;
}
bool
PluginModuleChromeParent::RecvNotifyContentModuleDestroyed()
{
nsRefPtr<nsPluginHost> host = nsPluginHost::GetInst();
if (host) {
host->NotifyContentModuleDestroyed(mPluginId);
}
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
PluginModuleChromeParent::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;
TimeStamp th32Start = TimeStamp::Now();
HANDLE snapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
if (INVALID_HANDLE_VALUE == snapshot)
return;
TimeStamp th32End = TimeStamp::Now();
mTimeBlocked += (th32End - th32Start);
DWORD pluginProcessPID = GetProcessId(Process()->GetChildProcessHandle());
mFlashProcess1 = GetFlashChildOfPID(pluginProcessPID, snapshot);
if (mFlashProcess1) {
InjectCrashReporterIntoProcess(mFlashProcess1, this);
mFlashProcess2 = GetFlashChildOfPID(mFlashProcess1, snapshot);
if (mFlashProcess2) {
InjectCrashReporterIntoProcess(mFlashProcess2, this);
}
}
}
void
PluginModuleChromeParent::OnCrash(DWORD processID)
{
if (!mShutdown) {
GetIPCChannel()->CloseWithError();
KillProcess(OtherProcess(), 1, false);
}
}
#endif // MOZ_CRASHREPORTER_INJECTOR
#ifdef MOZ_ENABLE_PROFILER_SPS
class PluginProfilerObserver MOZ_FINAL : public nsIObserver,
public nsSupportsWeakReference
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIOBSERVER
explicit PluginProfilerObserver(PluginModuleParent* pmp)
: mPmp(pmp)
{}
private:
~PluginProfilerObserver() {}
PluginModuleParent* mPmp;
};
NS_IMPL_ISUPPORTS(PluginProfilerObserver, nsIObserver, nsISupportsWeakReference)
NS_IMETHODIMP
PluginProfilerObserver::Observe(nsISupports *aSubject,
const char *aTopic,
const char16_t *aData)
{
if (!strcmp(aTopic, "profiler-started")) {
nsCOMPtr<nsIProfilerStartParams> params(do_QueryInterface(aSubject));
uint32_t entries;
double interval;
params->GetEntries(&entries);
params->GetInterval(&interval);
const nsTArray<nsCString>& features = params->GetFeatures();
const nsTArray<nsCString>& threadFilterNames = params->GetThreadFilterNames();
unused << mPmp->SendStartProfiler(entries, interval, features, threadFilterNames);
} else if (!strcmp(aTopic, "profiler-stopped")) {
unused << mPmp->SendStopProfiler();
} else if (!strcmp(aTopic, "profiler-subprocess")) {
nsCOMPtr<nsIProfileSaveEvent> pse = do_QueryInterface(aSubject);
if (pse) {
nsCString result;
bool success = mPmp->CallGetProfile(&result);
if (success && !result.IsEmpty()) {
pse->AddSubProfile(result.get());
}
}
}
return NS_OK;
}
void
PluginModuleChromeParent::InitPluginProfiling()
{
nsCOMPtr<nsIObserverService> observerService = mozilla::services::GetObserverService();
if (observerService) {
mProfilerObserver = new PluginProfilerObserver(this);
observerService->AddObserver(mProfilerObserver, "profiler-started", false);
observerService->AddObserver(mProfilerObserver, "profiler-stopped", false);
observerService->AddObserver(mProfilerObserver, "profiler-subprocess", false);
}
}
void
PluginModuleChromeParent::ShutdownPluginProfiling()
{
nsCOMPtr<nsIObserverService> observerService = mozilla::services::GetObserverService();
if (observerService) {
observerService->RemoveObserver(mProfilerObserver, "profiler-started");
observerService->RemoveObserver(mProfilerObserver, "profiler-stopped");
observerService->RemoveObserver(mProfilerObserver, "profiler-subprocess");
}
}
#endif
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