Add chrome to the repository.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@15 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 251 insertions, 0 deletions

diff --git a/chrome/app/breakpad.cc b/chrome/app/breakpad.cc
new file mode 100644
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--- /dev/null
+++ b/chrome/app/breakpad.cc
@@ -0,0 +1,251 @@
+// Copyright 2008, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "chrome/app/breakpad.h"
+
+#include <windows.h>
+#include <process.h>
+#include <tchar.h>
+
+#include "base/base_switches.h"
+#include "base/command_line.h"
+#include "base/file_util.h"
+#include "base/file_version_info.h"
+#include "base/registry.h"
+#include "base/string_util.h"
+#include "base/win_util.h"
+#include "chrome/app/google_update_client.h"
+#include "breakpad/src/client/windows/handler/exception_handler.h"
+
+namespace {
+
+const wchar_t kGoogleUpdatePipeName[] = L"\\\\.\\pipe\\GoogleCrashServices\\";
+const wchar_t kChromePipeName[] = L"\\\\.\\pipe\\ChromeCrashServices";
+
+google_breakpad::ExceptionHandler* g_breakpad = NULL;
+
+// Dumps the current process memory.
+ extern "C" void __declspec(dllexport) __cdecl DumpProcess() {
+  if (g_breakpad)
+    g_breakpad->WriteMinidump();
+}
+
+// Returns the custom info structure based on the dll in parameter and the
+// process type.
+static google_breakpad::CustomClientInfo* custom_info = NULL;
+google_breakpad::CustomClientInfo* GetCustomInfo(const std::wstring& dll_path,
+                                                 const std::wstring& type) {
+  scoped_ptr<FileVersionInfo>
+      version_info(FileVersionInfo::CreateFileVersionInfo(dll_path));
+
+  std::wstring version, product;
+  if (version_info.get()) {
+    // Get the information from the file.
+    product = version_info->product_short_name();
+    version = version_info->product_version();
+    if (!version_info->is_official_build())
+      version.append(L"-devel");
+  } else {
+    // No version info found. Make up the values.
+     product = L"Chrome";
+     version = L"0.0.0.0-devel";
+  }
+
+  static google_breakpad::CustomInfoEntry ver_entry(L"ver", version.c_str());
+  static google_breakpad::CustomInfoEntry prod_entry(L"prod", product.c_str());
+  static google_breakpad::CustomInfoEntry plat_entry(L"plat", L"Win32");
+  static google_breakpad::CustomInfoEntry type_entry(L"ptype", type.c_str());
+  static google_breakpad::CustomInfoEntry entries[] = {ver_entry,
+                                                       prod_entry,
+                                                       plat_entry,
+                                                       type_entry};
+
+  static google_breakpad::CustomClientInfo custom_info = {entries,
+                                                          arraysize(entries)};
+
+  return &custom_info;
+}
+
+// Contains the information needed by the worker thread.
+struct CrashReporterInfo {
+  google_breakpad::CustomClientInfo* custom_info;
+  std::wstring dll_path;
+  std::wstring process_type;
+};
+
+// Environment variable name that has the actual dialog strings.
+const wchar_t kEnvRestartInfo[] = L"CHROME_RESTART";
+// If this environment variable is present, chrome has crashed.
+const wchar_t kEnvShowRestart[] = L"CHROME_CRASHED";
+// The following two names correspond to the text directionality for the
+// current locale.
+const wchar_t kRtlLocaleDirection[] = L"RIGHT_TO_LEFT";
+const wchar_t kLtrLocaleDirection[] = L"LEFT_TO_RIGHT";
+
+}  // namespace
+
+// This callback is executed when the browser process has crashed, after
+// the crash dump has been created. We need to minimize the amount of work
+// done here since we have potentially corrupted process. Our job is to
+// spawn another instance of chrome which will show a 'chrome has crashed'
+// dialog. This code needs to live in the exe and thus has no access to
+// facilities such as the i18n helpers.
+bool DumpDoneCallback(const wchar_t*, const wchar_t*, void*,
+                      EXCEPTION_POINTERS* ex_info,
+                      MDRawAssertionInfo*, bool) {
+  // We set CHROME_CRASHED env var. If the CHROME_RESTART is present.
+  // This signals the child process to show the 'chrome has crashed' dialog.
+  if (!::GetEnvironmentVariableW(kEnvRestartInfo, NULL, 0))
+    return true;
+  ::SetEnvironmentVariableW(kEnvShowRestart, L"1");
+  // Now we just start chrome browser with the same command line.
+  STARTUPINFOW si = {sizeof(si)};
+  PROCESS_INFORMATION pi;
+  if (::CreateProcessW(NULL, ::GetCommandLineW(), NULL, NULL, FALSE,
+                       CREATE_UNICODE_ENVIRONMENT, NULL, NULL, &si, &pi)) {
+    ::CloseHandle(pi.hProcess);
+    ::CloseHandle(pi.hThread);
+  }
+  // After this return we will be terminated. The actual return value is
+  // not used at all.
+  return true;
+}
+
+// This function is executed by the child process that DumpDoneCallback()
+// spawned and basically just shows the 'chrome has crashed' dialog if
+// the CHROME_CRASHED environment variable is present.
+bool ShowRestartDialogIfCrashed(bool* exit_now) {
+  if (!::GetEnvironmentVariableW(kEnvShowRestart, NULL, 0))
+    return false;
+  DWORD len = ::GetEnvironmentVariableW(kEnvRestartInfo, NULL, 0);
+  if (!len)
+    return false;
+  wchar_t* restart_data = new wchar_t[len + 1];
+  ::GetEnvironmentVariableW(kEnvRestartInfo, restart_data, len);
+  restart_data[len] = 0;
+  // The CHROME_RESTART var contains the dialog strings separated by '|'.
+  // See PrepareRestartOnCrashEnviroment() function for details.
+  std::vector<std::wstring> dlg_strings;
+  SplitString(restart_data, L'|', &dlg_strings);
+  delete[] restart_data;
+  if (dlg_strings.size() < 3)
+    return false;
+
+  // If the UI layout is right-to-left, we need to pass the appropriate MB_XXX
+  // flags so that an RTL message box is displayed.
+  UINT flags = MB_OKCANCEL | MB_ICONWARNING;
+  if (dlg_strings[2] == kRtlLocaleDirection)
+    flags |= MB_RIGHT | MB_RTLREADING;
+
+  // Show the dialog now. It is ok if another chrome is started by the
+  // user since we have not initialized the databases.
+  *exit_now = (IDOK != ::MessageBoxW(NULL, dlg_strings[1].c_str(),
+                                     dlg_strings[0].c_str(), flags));
+  return true;
+}
+
+unsigned __stdcall InitCrashReporterThread(void* param)  {
+  CrashReporterInfo* info = reinterpret_cast<CrashReporterInfo*>(param);
+
+  CommandLine command;
+  bool full_dump = command.HasSwitch(switches::kFullMemoryCrashReport);
+  bool use_crash_service = command.HasSwitch(switches::kNoErrorDialogs) ||
+                           GetEnvironmentVariable(L"CHROME_HEADLESS", NULL, 0);
+
+  google_breakpad::ExceptionHandler::MinidumpCallback callback = NULL;
+
+  if (info->process_type == L"browser") {
+    // We install the post-dump callback only for the browser process. It
+    // spawns a new browser process.
+    callback = &DumpDoneCallback;
+  }
+
+  std::wstring pipe_name;
+  if (use_crash_service) {
+    pipe_name = kChromePipeName;
+  } else {
+    // Build the pipe name.
+    std::wstring user_sid;
+    if (!win_util::GetUserSidString(&user_sid)) {
+      delete info;
+      return -1;
+    }
+
+    pipe_name = kGoogleUpdatePipeName;
+    pipe_name += user_sid;
+  }
+
+  // Get the alternate dump directory. We use the temp path.
+  wchar_t temp_dir[MAX_PATH] = {0};
+  ::GetTempPathW(MAX_PATH, temp_dir);
+
+  MINIDUMP_TYPE dump_type = full_dump ? MiniDumpWithFullMemory : MiniDumpNormal;
+
+  g_breakpad = new google_breakpad::ExceptionHandler(temp_dir, NULL, callback,
+                   NULL, google_breakpad::ExceptionHandler::HANDLER_ALL,
+                   dump_type, pipe_name.c_str(), info->custom_info);
+
+  // Tells breakpad to handle breakpoint and single step exceptions.
+  // This might break JIT debuggers, but at least it will always
+  // generate a crashdump for these exceptions.
+  g_breakpad->set_handle_debug_exceptions(true);
+
+  delete info;
+
+  return 0;
+}
+
+void InitCrashReporter(std::wstring dll_path) {
+  CommandLine command;
+  if (!command.HasSwitch(switches::kDisableBreakpad)) {
+    // Query the custom_info now because if we do it in the thread it's going to
+    // fail in the sandbox. The thread will delete this object.
+    CrashReporterInfo* info = new CrashReporterInfo;
+    info->process_type = command.GetSwitchValue(switches::kProcessType);
+    if (info->process_type.empty())
+      info->process_type = L"browser";
+
+    info->custom_info = GetCustomInfo(dll_path, info->process_type);
+    info->dll_path = dll_path;
+
+    // If this is not the browser, we can't be sure that we will be able to
+    // initialize the crash_handler in another thread, so we run it right away.
+    // This is important to keep the thread for the browser process because
+    // it may take some times to initialize the crash_service process.
+    if (info->process_type != L"browser") {
+      InitCrashReporterThread(info);
+    } else {
+      uintptr_t thread = _beginthreadex(NULL, 0, &InitCrashReporterThread,
+                                        info, 0, NULL);
+      HANDLE thread_handle = reinterpret_cast<HANDLE>(thread);
+      if (thread_handle != INVALID_HANDLE_VALUE)
+        ::CloseHandle(thread_handle);
+    }
+  }
+}