Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(297)

Side by Side Diff: chrome_elf/breakpad.cc

Issue 2088133002: Switch chrome_elf exception handling from breakpad to crashpad. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Register crash keys only once in the process. Created 4 years, 6 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
OLDNEW
(Empty)
1 // Copyright 2014 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 // This module contains the necessary code to register the Breakpad exception
6 // handler. This implementation is based on Chrome's crash reporting code.
7
8 #include "chrome_elf/breakpad.h"
9
10 #include <sddl.h>
11
12 #include "base/macros.h"
13 #include "base/strings/string16.h"
14 #include "breakpad/src/client/windows/handler/exception_handler.h"
15 #include "chrome/common/chrome_version.h"
16 #include "chrome/install_static/install_util.h"
17
18 google_breakpad::ExceptionHandler* g_elf_breakpad = NULL;
19
20 namespace {
21
22 const wchar_t kBreakpadProductName[] = L"Chrome";
23 const wchar_t kBreakpadVersionEntry[] = L"ver";
24 const wchar_t kBreakpadProdEntry[] = L"prod";
25 const wchar_t kBreakpadPlatformEntry[] = L"plat";
26 const wchar_t kBreakpadPlatformWin32[] = L"Win32";
27 const wchar_t kBreakpadProcessEntry[] = L"ptype";
28 const wchar_t kBreakpadChannelEntry[] = L"channel";
29
30 // The protocol for connecting to the out-of-process Breakpad crash
31 // reporter is different for x86-32 and x86-64: the message sizes
32 // are different because the message struct contains a pointer. As
33 // a result, there are two different named pipes to connect to. The
34 // 64-bit one is distinguished with an "-x64" suffix.
35 const wchar_t kChromePipeName[] = L"\\\\.\\pipe\\ChromeCrashServices\\";
36 const wchar_t kGoogleUpdatePipeName[] = L"\\\\.\\pipe\\GoogleCrashServices\\";
37 const wchar_t kSystemPrincipalSid[] = L"S-1-5-18";
38
39 const wchar_t kNoErrorDialogs[] = L"noerrdialogs";
40
41 google_breakpad::CustomClientInfo* GetCustomInfo() {
42 base::string16 process =
43 install_static::IsNonBrowserProcess() ? L"renderer" : L"browser";
44
45 wchar_t exe_path[MAX_PATH] = {};
46 base::string16 channel;
47 if (GetModuleFileName(NULL, exe_path, arraysize(exe_path)) &&
48 install_static::IsSxSChrome(exe_path)) {
49 channel = L"canary";
50 }
51
52 static google_breakpad::CustomInfoEntry ver_entry(
53 kBreakpadVersionEntry, TEXT(CHROME_VERSION_STRING));
54 static google_breakpad::CustomInfoEntry prod_entry(
55 kBreakpadProdEntry, kBreakpadProductName);
56 static google_breakpad::CustomInfoEntry plat_entry(
57 kBreakpadPlatformEntry, kBreakpadPlatformWin32);
58 static google_breakpad::CustomInfoEntry proc_entry(
59 kBreakpadProcessEntry, process.c_str());
60 static google_breakpad::CustomInfoEntry channel_entry(
61 kBreakpadChannelEntry, channel.c_str());
62 static google_breakpad::CustomInfoEntry entries[] = {
63 ver_entry, prod_entry, plat_entry, proc_entry, channel_entry};
64 static google_breakpad::CustomClientInfo custom_info = {
65 entries, arraysize(entries) };
66 return &custom_info;
67 }
68
69 base::string16 GetUserSidString() {
70 // Get the current token.
71 HANDLE token = NULL;
72 base::string16 user_sid;
73 if (!::OpenProcessToken(::GetCurrentProcess(), TOKEN_QUERY, &token))
74 return user_sid;
75
76 DWORD size = sizeof(TOKEN_USER) + SECURITY_MAX_SID_SIZE;
77 BYTE user_bytes[sizeof(TOKEN_USER) + SECURITY_MAX_SID_SIZE] = {};
78 TOKEN_USER* user = reinterpret_cast<TOKEN_USER*>(user_bytes);
79
80 wchar_t* sid_string = NULL;
81 if (::GetTokenInformation(token, TokenUser, user, size, &size) &&
82 user->User.Sid &&
83 ::ConvertSidToStringSid(user->User.Sid, &sid_string)) {
84 user_sid = sid_string;
85 ::LocalFree(sid_string);
86 }
87
88 CloseHandle(token);
89 return user_sid;
90 }
91
92 bool IsHeadless() {
93 DWORD ret = ::GetEnvironmentVariable(L"CHROME_HEADLESS", NULL, 0);
94 if (ret != 0)
95 return true;
96
97 wchar_t* command_line = ::GetCommandLine();
98
99 // Note: Since this is a pure substring search rather than a check for a
100 // switch, there is a small chance that this code will match things that the
101 // Chrome code (which executes a similar check) does not. However, as long as
102 // no other switches contain the string "noerrdialogs", it should not be an
103 // issue.
104 return (command_line && wcsstr(command_line, kNoErrorDialogs));
105 }
106
107 } // namespace
108
109 int GenerateCrashDump(EXCEPTION_POINTERS* exinfo) {
110 DWORD code = exinfo->ExceptionRecord->ExceptionCode;
111 if (code == EXCEPTION_BREAKPOINT || code == EXCEPTION_SINGLE_STEP)
112 return EXCEPTION_CONTINUE_SEARCH;
113
114 if (g_elf_breakpad != NULL)
115 g_elf_breakpad->WriteMinidumpForException(exinfo);
116 return EXCEPTION_CONTINUE_SEARCH;
117 }
118
119 void InitializeCrashReporting() {
120 wchar_t exe_path[MAX_PATH] = {};
121 if (!::GetModuleFileName(NULL, exe_path, arraysize(exe_path)))
122 return;
123
124 // Disable the message box for assertions.
125 _CrtSetReportMode(_CRT_ASSERT, 0);
126
127 // Get the alternate dump directory. We use the temp path.
128 // N.B. We don't use base::GetTempDir() here to avoid running more code then
129 // necessary before crashes can be properly reported.
130 wchar_t temp_directory[MAX_PATH + 1] = {};
131 DWORD length = GetTempPath(MAX_PATH, temp_directory);
132 if (length == 0)
133 return;
134
135 // Minidump with stacks, PEB, TEBs and unloaded module list.
136 MINIDUMP_TYPE dump_type = static_cast<MINIDUMP_TYPE>(
137 MiniDumpWithProcessThreadData | // Get PEB and TEB.
138 MiniDumpWithUnloadedModules | // Get unloaded modules when available.
139 MiniDumpWithIndirectlyReferencedMemory); // Get memory referenced by
140 // stack.
141
142 #if defined(GOOGLE_CHROME_BUILD) && defined(OFFICIAL_BUILD)
143 bool is_official_chrome_build = true;
144 #else
145 bool is_official_chrome_build = false;
146 #endif
147
148 base::string16 pipe_name;
149
150 bool enabled_by_policy = false;
151 bool use_policy =
152 install_static::ReportingIsEnforcedByPolicy(&enabled_by_policy);
153
154 if (!use_policy && IsHeadless()) {
155 pipe_name = kChromePipeName;
156 } else if (use_policy ? enabled_by_policy
157 : (is_official_chrome_build &&
158 install_static::GetCollectStatsConsent())) {
159 // Build the pipe name. It can be one of:
160 // 32-bit system: \\.\pipe\GoogleCrashServices\S-1-5-18
161 // 32-bit user: \\.\pipe\GoogleCrashServices\<user SID>
162 // 64-bit system: \\.\pipe\GoogleCrashServices\S-1-5-18-x64
163 // 64-bit user: \\.\pipe\GoogleCrashServices\<user SID>-x64
164 base::string16 user_sid = install_static::IsSystemInstall(exe_path)
165 ? kSystemPrincipalSid
166 : GetUserSidString();
167 if (user_sid.empty())
168 return;
169
170 pipe_name = kGoogleUpdatePipeName;
171 pipe_name += user_sid;
172
173 #if defined(_WIN64)
174 pipe_name += L"-x64";
175 #endif
176 } else {
177 // Either this is a Chromium build, reporting is disabled by policy or the
178 // user has not given consent.
179 return;
180 }
181
182 g_elf_breakpad = new google_breakpad::ExceptionHandler(
183 temp_directory,
184 NULL,
185 NULL,
186 NULL,
187 google_breakpad::ExceptionHandler::HANDLER_ALL,
188 dump_type,
189 pipe_name.c_str(),
190 GetCustomInfo());
191
192 if (g_elf_breakpad->IsOutOfProcess()) {
193 // Tells breakpad to handle breakpoint and single step exceptions.
194 g_elf_breakpad->set_handle_debug_exceptions(true);
195 }
196 }
OLDNEW

Powered by Google App Engine
This is Rietveld 408576698