Example #1
0
bool
GMPProcessChild::Init()
{
  nsAutoString pluginFilename;
  nsAutoString voucherFilename;

#if defined(OS_POSIX)
  // NB: need to be very careful in ensuring that the first arg
  // (after the binary name) here is indeed the plugin module path.
  // Keep in sync with dom/plugins/PluginModuleParent.
  std::vector<std::string> values = CommandLine::ForCurrentProcess()->argv();
  MOZ_ASSERT(values.size() >= 3, "not enough args");
  pluginFilename = NS_ConvertUTF8toUTF16(nsDependentCString(values[1].c_str()));
  voucherFilename = NS_ConvertUTF8toUTF16(nsDependentCString(values[2].c_str()));
#elif defined(OS_WIN)
  std::vector<std::wstring> values = CommandLine::ForCurrentProcess()->GetLooseValues();
  MOZ_ASSERT(values.size() >= 2, "not enough loose args");
  pluginFilename = nsDependentString(values[0].c_str());
  voucherFilename = nsDependentString(values[1].c_str());
#else
#error Not implemented
#endif

  BackgroundHangMonitor::Startup();

  return mPlugin.Init(pluginFilename,
                      voucherFilename,
                      ParentPid(),
                      IOThreadChild::message_loop(),
                      IOThreadChild::channel());
}
bool
IPDLUnitTestProcessChild::Init()
{
    IPDLUnitTestChildInit(IOThreadChild::channel(),
                          ParentPid(),
                          IOThreadChild::message_loop());

    if (NS_FAILED(nsRegion::InitStatic()))
      return false;

    return true;
}
bool
ContentProcess::Init()
{
    mContent.Init(IOThreadChild::message_loop(),
                  ParentPid(),
                  IOThreadChild::channel());
    mXREEmbed.Start();
    mContent.InitXPCOM();
    mContent.InitGraphicsDeviceData();

#if (defined(XP_WIN) || defined(XP_MACOSX)) && defined(MOZ_CONTENT_SANDBOX)
    SetUpSandboxEnvironment();
#endif

    return true;
}
Example #4
0
bool
PluginProcessChild::Init()
{
    nsDebugImpl::SetMultiprocessMode("NPAPI");

#if defined(XP_MACOSX)
    // Remove the trigger for "dyld interposing" that we added in
    // GeckoChildProcessHost::PerformAsyncLaunchInternal(), in the host
    // process just before we were launched.  Dyld interposing will still
    // happen in our process (the plugin child process).  But we don't want
    // it to happen in any processes that the plugin might launch from our
    // process.
    nsCString interpose(PR_GetEnv("DYLD_INSERT_LIBRARIES"));
    if (!interpose.IsEmpty()) {
        // If we added the path to libplugin_child_interpose.dylib to an
        // existing DYLD_INSERT_LIBRARIES, we appended it to the end, after a
        // ":" path seperator.
        int32_t lastSeparatorPos = interpose.RFind(":");
        int32_t lastTriggerPos = interpose.RFind("libplugin_child_interpose.dylib");
        bool needsReset = false;
        if (lastTriggerPos != -1) {
            if (lastSeparatorPos == -1) {
                interpose.Truncate();
                needsReset = true;
            } else if (lastTriggerPos > lastSeparatorPos) {
                interpose.SetLength(lastSeparatorPos);
                needsReset = true;
            }
        }
        if (needsReset) {
            nsCString setInterpose("DYLD_INSERT_LIBRARIES=");
            if (!interpose.IsEmpty()) {
                setInterpose.Append(interpose);
            }
            // Values passed to PR_SetEnv() must be seperately allocated.
            char* setInterposePtr = strdup(setInterpose.get());
            PR_SetEnv(setInterposePtr);
        }
    }
#endif

#ifdef XP_WIN
    // Drag-and-drop needs OleInitialize to be called, and Silverlight depends
    // on the host calling CoInitialize (which is called by OleInitialize).
    ::OleInitialize(nullptr);
#endif

    // Certain plugins, such as flash, steal the unhandled exception filter
    // thus we never get crash reports when they fault. This call fixes it.
    message_loop()->set_exception_restoration(true);

    std::string pluginFilename;

#if defined(OS_POSIX)
    // NB: need to be very careful in ensuring that the first arg
    // (after the binary name) here is indeed the plugin module path.
    // Keep in sync with dom/plugins/PluginModuleParent.
    std::vector<std::string> values = CommandLine::ForCurrentProcess()->argv();
    MOZ_ASSERT(values.size() >= 2, "not enough args");

    pluginFilename = UnmungePluginDsoPath(values[1]);

#elif defined(OS_WIN)
    std::vector<std::wstring> values =
        CommandLine::ForCurrentProcess()->GetLooseValues();
    MOZ_ASSERT(values.size() >= 1, "not enough loose args");

    if (ShouldProtectPluginCurrentDirectory(values[0].c_str())) {
        SanitizeEnvironmentVariables();
        SetDllDirectory(L"");
    }

    pluginFilename = WideToUTF8(values[0]);

#if defined(MOZ_SANDBOX)
    // This is probably the earliest we would want to start the sandbox.
    // As we attempt to tighten the sandbox, we may need to consider moving this
    // to later in the plugin initialization.
    mozilla::SandboxTarget::Instance()->StartSandbox();
#endif
#else
#  error Sorry
#endif

    if (NS_FAILED(nsRegion::InitStatic())) {
      NS_ERROR("Could not initialize nsRegion");
      return false;
    }

    bool retval = mPlugin.InitForChrome(pluginFilename, ParentPid(),
                                        IOThreadChild::message_loop(),
                                        IOThreadChild::channel());
#if defined(XP_MACOSX)
    if (nsCocoaFeatures::OnYosemiteOrLater()) {
      // Explicitly turn off CGEvent logging.  This works around bug 1092855.
      // If there are already CGEvents in the log, turning off logging also
      // causes those events to be written to disk.  But at this point no
      // CGEvents have yet been processed.  CGEvents are events (usually
      // input events) pulled from the WindowServer.  An option of 0x80000008
      // turns on CGEvent logging.
      CGSSetDebugOptions(0x80000007);
    }
#endif
    return retval;
}
bool
ContentProcess::Init(int aArgc, char* aArgv[])
{
  // If passed in grab the application path for xpcom init
  bool foundAppdir = false;
  bool foundChildID = false;
  bool foundIsForBrowser = false;
  bool foundIntPrefs = false;
  bool foundBoolPrefs = false;
  bool foundStringPrefs = false;

  uint64_t childID;
  bool isForBrowser;

#if defined(XP_MACOSX) && defined(MOZ_CONTENT_SANDBOX)
  // If passed in grab the profile path for sandboxing
  bool foundProfile = false;
  nsCOMPtr<nsIFile> profileDir;
#endif

  InfallibleTArray<PrefSetting> prefsArray;
  for (int idx = aArgc; idx > 0; idx--) {
    if (!aArgv[idx]) {
      continue;
    }

    if (!strcmp(aArgv[idx], "-appdir")) {
      MOZ_ASSERT(!foundAppdir);
      if (foundAppdir) {
        continue;
      }
      nsCString appDir;
      appDir.Assign(nsDependentCString(aArgv[idx+1]));
      mXREEmbed.SetAppDir(appDir);
      foundAppdir = true;
    } else if (!strcmp(aArgv[idx], "-childID")) {
      MOZ_ASSERT(!foundChildID);
      if (foundChildID) {
        continue;
      }
      if (idx + 1 < aArgc) {
        childID = strtoull(aArgv[idx + 1], nullptr, 10);
        foundChildID = true;
      }
    } else if (!strcmp(aArgv[idx], "-isForBrowser") || !strcmp(aArgv[idx], "-notForBrowser")) {
      MOZ_ASSERT(!foundIsForBrowser);
      if (foundIsForBrowser) {
        continue;
      }
      isForBrowser = strcmp(aArgv[idx], "-notForBrowser");
      foundIsForBrowser = true;
    } else if (!strcmp(aArgv[idx], "-intPrefs")) {
      SET_PREF_PHASE(BEGIN_INIT_PREFS);
      char* str = aArgv[idx + 1];
      while (*str) {
        int32_t index = strtol(str, &str, 10);
        MOZ_ASSERT(str[0] == ':');
        str++;
        MaybePrefValue value(PrefValue(static_cast<int32_t>(strtol(str, &str, 10))));
        MOZ_ASSERT(str[0] == '|');
        str++;
        PrefSetting pref(nsCString(ContentPrefs::GetContentPref(index)), value, MaybePrefValue());
        prefsArray.AppendElement(pref);
      }
      SET_PREF_PHASE(END_INIT_PREFS);
      foundIntPrefs = true;
    } else if (!strcmp(aArgv[idx], "-boolPrefs")) {
      SET_PREF_PHASE(BEGIN_INIT_PREFS);
      char* str = aArgv[idx + 1];
      while (*str) {
        int32_t index = strtol(str, &str, 10);
        MOZ_ASSERT(str[0] == ':');
        str++;
        MaybePrefValue value(PrefValue(!!strtol(str, &str, 10)));
        MOZ_ASSERT(str[0] == '|');
        str++;
        PrefSetting pref(nsCString(ContentPrefs::GetContentPref(index)), value, MaybePrefValue());
        prefsArray.AppendElement(pref);
      }
      SET_PREF_PHASE(END_INIT_PREFS);
      foundBoolPrefs = true;
    } else if (!strcmp(aArgv[idx], "-stringPrefs")) {
      SET_PREF_PHASE(BEGIN_INIT_PREFS);
      char* str = aArgv[idx + 1];
      while (*str) {
        int32_t index = strtol(str, &str, 10);
        MOZ_ASSERT(str[0] == ':');
        str++;
        int32_t length = strtol(str, &str, 10);
        MOZ_ASSERT(str[0] == ';');
        str++;
        MaybePrefValue value(PrefValue(nsCString(str, length)));
        PrefSetting pref(nsCString(ContentPrefs::GetContentPref(index)), value, MaybePrefValue());
        prefsArray.AppendElement(pref);
        str += length + 1;
        MOZ_ASSERT(*(str - 1) == '|');
      }
      SET_PREF_PHASE(END_INIT_PREFS);
      foundStringPrefs = true;
    }
    else if (!strcmp(aArgv[idx], "-safeMode")) {
      gSafeMode = true;
    }

#if defined(XP_MACOSX) && defined(MOZ_CONTENT_SANDBOX)
    else if (!strcmp(aArgv[idx], "-profile")) {
      MOZ_ASSERT(!foundProfile);
      if (foundProfile) {
        continue;
      }
      bool flag;
      nsresult rv = XRE_GetFileFromPath(aArgv[idx+1], getter_AddRefs(profileDir));
      if (NS_FAILED(rv) ||
          NS_FAILED(profileDir->Exists(&flag)) || !flag) {
        NS_WARNING("Invalid profile directory passed to content process.");
        profileDir = nullptr;
      }
      foundProfile = true;
    }
#endif /* XP_MACOSX && MOZ_CONTENT_SANDBOX */

    bool allFound = foundAppdir && foundChildID && foundIsForBrowser && foundIntPrefs && foundBoolPrefs && foundStringPrefs;

#if defined(XP_MACOSX) && defined(MOZ_CONTENT_SANDBOX)
    allFound &= foundProfile;
#endif

    if (allFound) {
      break;
    }
  }
  Preferences::SetInitPreferences(&prefsArray);
  mContent.Init(IOThreadChild::message_loop(),
                ParentPid(),
                IOThreadChild::channel(),
                childID,
                isForBrowser);
  mXREEmbed.Start();
#if (defined(XP_MACOSX)) && defined(MOZ_CONTENT_SANDBOX)
  mContent.SetProfileDir(profileDir);
#endif

#if (defined(XP_WIN) || defined(XP_MACOSX)) && defined(MOZ_CONTENT_SANDBOX)
  SetUpSandboxEnvironment();
#endif

  return true;
}