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