The Tor Browser / file comparison
comparison: ipc/app/MozillaRuntimeMain.cpp
ipc/app/MozillaRuntimeMain.cpp
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| 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/. */ | |
| 6 | |
| 7 #include "nsXPCOM.h" | |
| 8 #include "nsXULAppAPI.h" | |
| 9 | |
| 10 // FIXME/cjones testing | |
| 11 #if !defined(OS_WIN) | |
| 12 #include <unistd.h> | |
| 13 #endif | |
| 14 | |
| 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 | |
| 23 | |
| 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 | |
| 30 | |
| 31 #ifdef MOZ_WIDGET_GONK | |
| 32 # include <sys/time.h> | |
| 33 # include <sys/resource.h> | |
| 34 | |
| 35 # include <binder/ProcessState.h> | |
| 36 | |
| 37 # ifdef LOGE_IF | |
| 38 # undef LOGE_IF | |
| 39 # endif | |
| 40 | |
| 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 ) | |
| 47 | |
| 48 #endif | |
| 49 | |
| 50 #ifdef MOZ_NUWA_PROCESS | |
| 51 #include <binder/ProcessState.h> | |
| 52 #include "ipc/Nuwa.h" | |
| 53 #endif | |
| 54 | |
| 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 | |
| 70 | |
| 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 | |
| 82 | |
| 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 } | |
| 93 | |
| 94 #ifdef MOZ_NUWA_PROCESS | |
| 95 if (isNuwa) { | |
| 96 PrepareNuwaProcess(); | |
| 97 } | |
| 98 #endif | |
| 99 | |
| 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. | |
| 105 | |
| 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 | |
| 116 | |
| 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]); | |
| 122 | |
| 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 } | |
| 131 | |
| 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 } | |
| 139 | |
| 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 | |
| 148 | |
| 149 nsresult rv = XRE_InitChildProcess(argc, argv, proctype); | |
| 150 NS_ENSURE_SUCCESS(rv, 1); | |
| 151 | |
| 152 return 0; | |
| 153 } |
