// Copyright (c) 2006-2008 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 "build/build_config.h" #include "app/hi_res_timer_manager.h" #include "app/system_monitor.h" #if defined(OS_WIN) #include "app/win_util.h" #endif #include "base/command_line.h" #include "base/message_loop.h" #include "base/string_util.h" #include "chrome/common/child_process.h" #include "chrome/common/chrome_constants.h" #include "chrome/common/chrome_switches.h" #include "chrome/common/default_plugin.h" #include "chrome/common/gpu_plugin.h" #include "chrome/common/logging_chrome.h" #include "chrome/common/main_function_params.h" #include "chrome/plugin/plugin_thread.h" #if defined(OS_WIN) #include "chrome/test/injection_test_dll.h" #include "sandbox/src/sandbox.h" #elif defined(OS_POSIX) && !defined(OS_MACOSX) #include "base/global_descriptors_posix.h" #include "ipc/ipc_descriptors.h" #endif #if defined(USE_LINUX_BREAKPAD) #include "chrome/app/breakpad_linux.h" #endif #if defined(OS_MACOSX) // Removes our Carbon library interposing from the environment so that it // doesn't carry into any processes that plugins might start. void TrimInterposeEnvironment(); // Initializes the global Cocoa application object. void InitializeChromeApplication(); #elif defined(OS_LINUX) // Work around an unimplemented instruction in 64-bit Flash. void WorkaroundFlashLAHF(); #endif // main() routine for running as the plugin process. int PluginMain(const MainFunctionParams& parameters) { #if defined(USE_LINUX_BREAKPAD) // Needs to be called after we have chrome::DIR_USER_DATA. InitCrashReporter(); #endif // The main thread of the plugin services UI. #if defined(OS_MACOSX) #if !defined(__LP64__) TrimInterposeEnvironment(); #endif InitializeChromeApplication(); #endif MessageLoop main_message_loop(MessageLoop::TYPE_UI); PlatformThread::SetName("CrPluginMain"); SystemMonitor system_monitor; HighResolutionTimerManager high_resolution_timer_manager; const CommandLine& parsed_command_line = parameters.command_line_; #if defined(OS_LINUX) // On Linux we exec ourselves from /proc/self/exe, but that makes the // process name that shows up in "ps" etc. for plugins show as "exe" // instead of "chrome" or something reasonable. Try to fix it. CommandLine::SetProcTitle(); #if defined(ARCH_CPU_64_BITS) WorkaroundFlashLAHF(); #endif #elif defined(OS_WIN) sandbox::TargetServices* target_services = parameters.sandbox_info_.TargetServices(); CoInitialize(NULL); DLOG(INFO) << "Started plugin with " << parsed_command_line.command_line_string(); HMODULE sandbox_test_module = NULL; bool no_sandbox = parsed_command_line.HasSwitch(switches::kNoSandbox) || !parsed_command_line.HasSwitch(switches::kSafePlugins); if (target_services && !no_sandbox) { // The command line might specify a test plugin to load. if (parsed_command_line.HasSwitch(switches::kTestSandbox)) { std::wstring test_plugin_name = parsed_command_line.GetSwitchValue(switches::kTestSandbox); sandbox_test_module = LoadLibrary(test_plugin_name.c_str()); DCHECK(sandbox_test_module); } } #endif if (parsed_command_line.HasSwitch(switches::kPluginStartupDialog)) { ChildProcess::WaitForDebugger(L"Plugin"); } { ChildProcess plugin_process; plugin_process.set_main_thread(new PluginThread()); #if defined(OS_WIN) if (!no_sandbox && target_services) target_services->LowerToken(); if (sandbox_test_module) { RunRendererTests run_security_tests = reinterpret_cast(GetProcAddress(sandbox_test_module, kPluginTestCall)); DCHECK(run_security_tests); if (run_security_tests) { int test_count = 0; DLOG(INFO) << "Running plugin security tests"; BOOL result = run_security_tests(&test_count); DCHECK(result) << "Test number " << test_count << " has failed."; // If we are in release mode, crash or debug the process. if (!result) __debugbreak(); } FreeLibrary(sandbox_test_module); } #endif chrome::RegisterInternalDefaultPlugin(); chrome::RegisterInternalGPUPlugin(); MessageLoop::current()->Run(); } #if defined(OS_WIN) CoUninitialize(); #endif return 0; }