1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "content/public/app/startup_helper_win.h"
6
7 #include <crtdbg.h>
8 #include <new.h>
9
10 #include "base/base_switches.h"
11 #include "base/command_line.h"
12 #include "base/win/windows_version.h"
13 #include "sandbox/win/src/process_mitigations.h"
14 #include "sandbox/win/src/sandbox_factory.h"
15
16 namespace {
17
18 #pragma optimize("", off)
19 // Handlers for invalid parameter and pure call. They generate a breakpoint to
20 // tell breakpad that it needs to dump the process.
InvalidParameter(const wchar_t * expression,const wchar_t * function,const wchar_t * file,unsigned int line,uintptr_t reserved)21 void InvalidParameter(const wchar_t* expression, const wchar_t* function,
22 const wchar_t* file, unsigned int line,
23 uintptr_t reserved) {
24 __debugbreak();
25 _exit(1);
26 }
27
PureCall()28 void PureCall() {
29 __debugbreak();
30 _exit(1);
31 }
32 #pragma optimize("", on)
33
34 } // namespace
35
36 namespace content {
37
InitializeSandboxInfo(sandbox::SandboxInterfaceInfo * info)38 void InitializeSandboxInfo(sandbox::SandboxInterfaceInfo* info) {
39 info->broker_services = sandbox::SandboxFactory::GetBrokerServices();
40 if (!info->broker_services) {
41 info->target_services = sandbox::SandboxFactory::GetTargetServices();
42 } else {
43 // Ensure the proper mitigations are enforced for the browser process.
44 sandbox::ApplyProcessMitigationsToCurrentProcess(
45 sandbox::MITIGATION_DEP |
46 sandbox::MITIGATION_DEP_NO_ATL_THUNK);
47 }
48 }
49
50 // Register the invalid param handler and pure call handler to be able to
51 // notify breakpad when it happens.
RegisterInvalidParamHandler()52 void RegisterInvalidParamHandler() {
53 _set_invalid_parameter_handler(InvalidParameter);
54 _set_purecall_handler(PureCall);
55 // Also enable the new handler for malloc() based failures.
56 _set_new_mode(1);
57 }
58
SetupCRT(const CommandLine & command_line)59 void SetupCRT(const CommandLine& command_line) {
60 #if defined(_CRTDBG_MAP_ALLOC)
61 _CrtSetReportFile(_CRT_WARN, _CRTDBG_FILE_STDERR);
62 _CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE);
63 #else
64 if (!command_line.HasSwitch(switches::kDisableBreakpad)) {
65 _CrtSetReportMode(_CRT_ASSERT, 0);
66 }
67 #endif
68 }
69
70 } // namespace content
71