// Copyright (c) 2011 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #include "base/at_exit.h" #include "base/command_line.h" #include "base/logging.h" #include "base/message_loop.h" #include "base/process_util.h" #include "base/string_util.h" #include "base/system_monitor/system_monitor.h" #include "chrome/app/breakpad_win.h" #include "chrome/common/chrome_result_codes.h" #include "chrome/common/chrome_switches.h" #include "chrome/common/logging_chrome.h" #include "chrome/nacl/nacl_broker_listener.h" #include "chrome/nacl/nacl_listener.h" #include "chrome/nacl/nacl_main_platform_delegate.h" #include "content/app/startup_helper_win.h" #include "content/common/hi_res_timer_manager.h" #include "content/common/main_function_params.h" #include "content/common/sandbox_init_wrapper.h" #include "content/common/sandbox_policy.h" #include "sandbox/src/sandbox.h" #include "sandbox/src/sandbox_types.h" extern int NaClMain(const MainFunctionParams&); // main() routine for the NaCl broker process. // This is necessary for supporting NaCl in Chrome on Win64. int NaClBrokerMain(const MainFunctionParams& parameters) { const CommandLine& parsed_command_line = parameters.command_line_; MessageLoopForIO main_message_loop; base::PlatformThread::SetName("CrNaClBrokerMain"); base::SystemMonitor system_monitor; HighResolutionTimerManager hi_res_timer_manager; // NOTE: this code is duplicated from browser_main.cc // IMPORTANT: This piece of code needs to run as early as possible in the // process because it will initialize the sandbox broker, which requires the // process to swap its window station. During this time all the UI will be // broken. This has to run before threads and windows are created. sandbox::BrokerServices* broker_services = parameters.sandbox_info_.BrokerServices(); if (broker_services) { sandbox::InitBrokerServices(broker_services); if (!parsed_command_line.HasSwitch(switches::kNoSandbox)) { bool use_winsta = !parsed_command_line.HasSwitch( switches::kDisableAltWinstation); // Precreate the desktop and window station used by the renderers. sandbox::TargetPolicy* policy = broker_services->CreatePolicy(); sandbox::ResultCode result = policy->CreateAlternateDesktop(use_winsta); CHECK(sandbox::SBOX_ERROR_FAILED_TO_SWITCH_BACK_WINSTATION != result); policy->Release(); } } NaClBrokerListener listener; listener.Listen(); return 0; } int APIENTRY wWinMain(HINSTANCE instance, HINSTANCE, wchar_t*, int) { sandbox::SandboxInterfaceInfo sandbox_info = {0}; content::InitializeSandboxInfo(&sandbox_info); base::AtExitManager exit_manager; CommandLine::Init(0, NULL); wchar_t path[MAX_PATH]; ::GetModuleFileNameW(NULL, path, MAX_PATH); InitCrashReporterWithDllPath(std::wstring(path)); const CommandLine& command_line = *CommandLine::ForCurrentProcess(); std::string process_type = command_line.GetSwitchValueASCII(switches::kProcessType); // Copy what ContentMain() does. base::EnableTerminationOnHeapCorruption(); base::EnableTerminationOnOutOfMemory(); content::RegisterInvalidParamHandler(); content::SetupCRT(command_line); // Initialize the sandbox for this process. SandboxInitWrapper sandbox_wrapper; sandbox_wrapper.SetServices(&sandbox_info); bool sandbox_initialized_ok = sandbox_wrapper.InitializeSandbox(command_line, process_type); // Die if the sandbox can't be enabled. CHECK(sandbox_initialized_ok) << "Error initializing sandbox for " << process_type; MainFunctionParams main_params(command_line, sandbox_wrapper, NULL); if (process_type == switches::kNaClLoaderProcess) return NaClMain(main_params); if (process_type == switches::kNaClBrokerProcess) return NaClBrokerMain(main_params); CHECK(false) << "Unknown NaCl 64 process."; return -1; }