chrome_frame/chrome_frame_reporting.cc

   1 // Copyright (c) 2010 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 // Implementation of wrapper around common crash reporting.
   6
   7 #include "chrome_frame/chrome_frame_reporting.h"
   8
   9 #include "base/basictypes.h"
  10 #include "base/file_util.h"
  11 #include "base/file_version_info.h"
  12 #include "base/win/win_util.h"
  13 #include "chrome/installer/util/google_update_settings.h"
  14 #include "chrome/installer/util/install_util.h"
  15 #include "chrome_frame/crash_reporting/crash_report.h"
  16 #include "chrome_frame/exception_barrier.h"
  17 #include "chrome_frame/utils.h"
  18
  19 extern "C" IMAGE_DOS_HEADER __ImageBase;
  20
  21 namespace {
  22
  23 // Well known SID for the system principal.
  24 const wchar_t kSystemPrincipalSid[] = L"S-1-5-18";
  25 const wchar_t kChromePipeName[] = L"\\\\.\\pipe\\ChromeCrashServices";
  26
  27 // Returns the custom info structure based on the dll in parameter
  28 google_breakpad::CustomClientInfo* GetCustomInfo(const wchar_t* dll_path) {
  29   std::wstring product;
  30   std::wstring version;
  31   scoped_ptr<FileVersionInfo> version_info(
  32       FileVersionInfo::CreateFileVersionInfo(base::FilePath(dll_path)));
  33   if (version_info.get()) {
  34     version = version_info->product_version();
  35     product = version_info->product_short_name();
  36   }
  37
  38   if (version.empty())
  39     version = L"0.1.0.0";
  40
  41   if (product.empty())
  42     product = L"ChromeFrame";
  43
  44   static google_breakpad::CustomInfoEntry ver_entry(L"ver", version.c_str());
  45   static google_breakpad::CustomInfoEntry prod_entry(L"prod", product.c_str());
  46   static google_breakpad::CustomInfoEntry plat_entry(L"plat", L"Win32");
  47   static google_breakpad::CustomInfoEntry type_entry(L"ptype", L"chrome_frame");
  48   static google_breakpad::CustomInfoEntry entries[] = {
  49       ver_entry, prod_entry, plat_entry, type_entry };
  50   static google_breakpad::CustomClientInfo custom_info = {
  51       entries, arraysize(entries) };
  52   return &custom_info;
  53 }
  54
  55 bool InitializeCrashReporting() {
  56   // In headless mode we want crashes to be reported back.
  57   bool always_take_dump = IsHeadlessMode();
  58   // We want to use the Google Update crash reporting. We need to check if the
  59   // user allows it first.
  60   if (!always_take_dump && !GoogleUpdateSettings::GetCollectStatsConsent())
  61     return true;
  62
  63   // If we got here, we want to report crashes, so make sure all
  64   // ExceptionBarrierBase instances do so.
  65   ExceptionBarrierConfig::set_enabled(true);
  66
  67   // Get the alternate dump directory. We use the temp path.
  68   base::FilePath temp_directory;
  69   if (!file_util::GetTempDir(&temp_directory) || temp_directory.empty())
  70     return false;
  71
  72   wchar_t dll_path[MAX_PATH * 2] = {0};
  73   GetModuleFileName(reinterpret_cast<HMODULE>(&__ImageBase), dll_path,
  74                     arraysize(dll_path));
  75
  76   if (always_take_dump) {
  77     return InitializeVectoredCrashReportingWithPipeName(
  78         true, kChromePipeName, temp_directory.value(), GetCustomInfo(dll_path));
  79   }
  80
  81   // Build the pipe name. It can be either:
  82   // System-wide install: "NamedPipe\GoogleCrashServices\S-1-5-18"
  83   // Per-user install: "NamedPipe\GoogleCrashServices\<user SID>"
  84   std::wstring user_sid;
  85   if (InstallUtil::IsPerUserInstall(dll_path)) {
  86     if (!base::win::GetUserSidString(&user_sid))
  87       return false;
  88   } else {
  89     user_sid = kSystemPrincipalSid;
  90   }
  91
  92   return InitializeVectoredCrashReporting(
  93       false, user_sid.c_str(), temp_directory.value(), GetCustomInfo(dll_path));
  94 }
  95
  96 bool ShutdownCrashReporting() {
  97   ExceptionBarrierConfig::set_enabled(false);
  98   return ShutdownVectoredCrashReporting();
  99 }
 100
 101 }  // namespace
 102
 103 namespace chrome_frame {
 104
 105 void CrashReportingTraits::Initialize() {
 106   InitializeCrashReporting();
 107 }
 108
 109 void CrashReportingTraits::Shutdown() {
 110   ShutdownCrashReporting();
 111 }
 112
 113 }  // namespace chrome_frame