startup_helper_win.cc revision 6e8cce623b6e4fe0c9e4af605d675dd9d0338c38
15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2011 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/app/startup_helper_win.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <crtdbg.h> 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <new.h> 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/base_switches.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/command_line.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/win/windows_version.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "sandbox/win/src/process_mitigations.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "sandbox/win/src/sandbox_factory.h" 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#pragma optimize("", off) 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Handlers for invalid parameter and pure call. They generate a breakpoint to 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// tell breakpad that it needs to dump the process. 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void InvalidParameter(const wchar_t* expression, const wchar_t* function, 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const wchar_t* file, unsigned int line, 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uintptr_t reserved) { 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) __debugbreak(); 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) _exit(1); 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void PureCall() { 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) __debugbreak(); 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) _exit(1); 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#pragma optimize("", on) 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace content { 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void InitializeSandboxInfo(sandbox::SandboxInterfaceInfo* info) { 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) info->broker_services = sandbox::SandboxFactory::GetBrokerServices(); 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!info->broker_services) { 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) info->target_services = sandbox::SandboxFactory::GetTargetServices(); 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Ensure the proper mitigations are enforced for the browser process. 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) sandbox::ApplyProcessMitigationsToCurrentProcess( 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) sandbox::MITIGATION_DEP | 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) sandbox::MITIGATION_DEP_NO_ATL_THUNK); 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Register the invalid param handler and pure call handler to be able to 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// notify breakpad when it happens. 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void RegisterInvalidParamHandler() { 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) _set_invalid_parameter_handler(InvalidParameter); 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) _set_purecall_handler(PureCall); 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Also enable the new handler for malloc() based failures. 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) _set_new_mode(1); 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 596e8cce623b6e4fe0c9e4af605d675dd9d0338c38Torne (Richard Coles)void SetupCRT(const base::CommandLine& command_line) { 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(_CRTDBG_MAP_ALLOC) 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) _CrtSetReportFile(_CRT_WARN, _CRTDBG_FILE_STDERR); 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) _CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE); 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#else 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!command_line.HasSwitch(switches::kDisableBreakpad)) { 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) _CrtSetReportMode(_CRT_ASSERT, 0); 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace content 71