The Tor Browser: ipc/app/MozillaRuntimeMain.cpp@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-

     2  * vim: sw=4 ts=4 et :

     3  * This Source Code Form is subject to the terms of the Mozilla Public

     4  * License, v. 2.0. If a copy of the MPL was not distributed with this

     5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     7 #include "nsXPCOM.h"

     8 #include "nsXULAppAPI.h"

    10 // FIXME/cjones testing

    11 #if !defined(OS_WIN)

    12 #include <unistd.h>

    13 #endif

    15 #ifdef XP_WIN

    16 #include <windows.h>

    17 // we want a wmain entry point

    18 // but we don't want its DLL load protection, because we'll handle it here

    19 #define XRE_DONT_PROTECT_DLL_LOAD

    20 #include "nsWindowsWMain.cpp"

    21 #include "nsSetDllDirectory.h"

    22 #endif

    24 #if defined(XP_WIN) && defined(MOZ_CONTENT_SANDBOX)

    25 #include "sandbox/chromium/base/basictypes.h"

    26 #include "sandbox/win/src/sandbox.h"

    27 #include "sandbox/win/src/sandbox_factory.h"

    28 #include "mozilla/sandboxTarget.h"

    29 #endif

    31 #ifdef MOZ_WIDGET_GONK

    32 # include <sys/time.h>

    33 # include <sys/resource.h>

    35 # include <binder/ProcessState.h>

    37 # ifdef LOGE_IF

    38 #  undef LOGE_IF

    39 # endif

    41 # include <android/log.h>

    42 # define LOGE_IF(cond, ...) \

    43      ( (CONDITION(cond)) \

    44      ? ((void)__android_log_print(ANDROID_LOG_ERROR, \

    45        "Gecko:MozillaRntimeMain", __VA_ARGS__)) \

    46      : (void)0 )

    48 #endif

    50 #ifdef MOZ_NUWA_PROCESS

    51 #include <binder/ProcessState.h>

    52 #include "ipc/Nuwa.h"

    53 #endif

    55 #ifdef MOZ_WIDGET_GONK

    56 static void

    57 InitializeBinder(void *aDummy) {

    58     // Change thread priority to 0 only during calling ProcessState::self().

    59     // The priority is registered to binder driver and used for default Binder

    60     // Thread's priority.

    61     // To change the process's priority to small value need's root permission.

    62     int curPrio = getpriority(PRIO_PROCESS, 0);

    63     int err = setpriority(PRIO_PROCESS, 0, 0);

    64     MOZ_ASSERT(!err);

    65     LOGE_IF(err, "setpriority failed. Current process needs root permission.");

    66     android::ProcessState::self()->startThreadPool();

    67     setpriority(PRIO_PROCESS, 0, curPrio);

    68 }

    69 #endif

    71 #if defined(XP_WIN) && defined(MOZ_CONTENT_SANDBOX)

    72 static bool gIsSandboxEnabled = false;

    73 void StartSandboxCallback()

    74 {

    75     if (gIsSandboxEnabled) {

    76         sandbox::TargetServices* target_service =

    77             sandbox::SandboxFactory::GetTargetServices();

    78         target_service->LowerToken();

    79     }

    80 }

    81 #endif

    83 int

    84 main(int argc, char* argv[])

    85 {

    86     bool isNuwa = false;

    87     for (int i = 1; i < argc; i++) {

    88         isNuwa |= strcmp(argv[i], "-nuwa") == 0;

    89 #if defined(XP_WIN) && defined(MOZ_CONTENT_SANDBOX)

    90         gIsSandboxEnabled |= strcmp(argv[i], "-sandbox") == 0;

    91 #endif

    92     }

    94 #ifdef MOZ_NUWA_PROCESS

    95     if (isNuwa) {

    96         PrepareNuwaProcess();

    97     }

    98 #endif

   100 #ifdef MOZ_WIDGET_GONK

   101     // This creates a ThreadPool for binder ipc. A ThreadPool is necessary to

   102     // receive binder calls, though not necessary to send binder calls.

   103     // ProcessState::Self() also needs to be called once on the main thread to

   104     // register the main thread with the binder driver.

   106 #ifdef MOZ_NUWA_PROCESS

   107     if (!isNuwa) {

   108         InitializeBinder(nullptr);

   109     } else {

   110         NuwaAddFinalConstructor(&InitializeBinder, nullptr);

   111     }

   112 #else

   113     InitializeBinder(nullptr);

   114 #endif

   115 #endif

   117     // Check for the absolute minimum number of args we need to move

   118     // forward here. We expect the last arg to be the child process type.

   119     if (argc < 1)

   120       return 3;

   121     GeckoProcessType proctype = XRE_StringToChildProcessType(argv[--argc]);

   123 #ifdef XP_WIN

   124     // For plugins, this is done in PluginProcessChild::Init, as we need to

   125     // avoid it for unsupported plugins.  See PluginProcessChild::Init for

   126     // the details.

   127     if (proctype != GeckoProcessType_Plugin) {

   128         mozilla::SanitizeEnvironmentVariables();

   129         SetDllDirectory(L"");

   130     }

   132 #ifdef MOZ_CONTENT_SANDBOX

   133     if (gIsSandboxEnabled) {

   134         sandbox::TargetServices* target_service =

   135             sandbox::SandboxFactory::GetTargetServices();

   136         if (!target_service) {

   137             return 1;

   138         }

   140         sandbox::ResultCode result = target_service->Init();

   141         if (result != sandbox::SBOX_ALL_OK) {

   142            return 2;

   143         }

   144         mozilla::SandboxTarget::Instance()->SetStartSandboxCallback(StartSandboxCallback);

   145     }

   146 #endif

   147 #endif

   149     nsresult rv = XRE_InitChildProcess(argc, argv, proctype);

   150     NS_ENSURE_SUCCESS(rv, 1);

   152     return 0;

   153 }

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