| // Copyright (c) 2009 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "chrome/app/hard_error_handler_win.h" |
| |
| #if defined(_WIN32_WINNT_WIN8) && _MSC_VER < 1700 |
| // The Windows 8 SDK defines FACILITY_VISUALCPP in winerror.h, and in |
| // delayimp.h previous to VS2012. |
| #undef FACILITY_VISUALCPP |
| #endif |
| #include <DelayIMP.h> |
| #include <winternl.h> |
| |
| #include "base/basictypes.h" |
| #include "base/strings/string_util.h" |
| #include "components/breakpad/breakpad_client.h" |
| |
| namespace { |
| const DWORD kExceptionModuleNotFound = VcppException(ERROR_SEVERITY_ERROR, |
| ERROR_MOD_NOT_FOUND); |
| const DWORD kExceptionEntryPtNotFound = VcppException(ERROR_SEVERITY_ERROR, |
| ERROR_PROC_NOT_FOUND); |
| // This is defined in <ntstatus.h> but we can't include this file here. |
| const DWORD FACILITY_GRAPHICS_KERNEL = 0x1E; |
| const DWORD NT_STATUS_ENTRYPOINT_NOT_FOUND = 0xC0000139; |
| const DWORD NT_STATUS_DLL_NOT_FOUND = 0xC0000135; |
| |
| // We assume that exception codes are NT_STATUS codes. |
| DWORD FacilityFromException(DWORD exception_code) { |
| return (exception_code >> 16) & 0x0FFF; |
| } |
| |
| // This is not a generic function. It only works with some |nt_status| values. |
| // Check the strings here http://msdn.microsoft.com/en-us/library/cc704588.aspx |
| // before attempting to use this function. |
| void RaiseHardErrorMsg(long nt_status, const std::string& p1, |
| const std::string& p2) { |
| // If headless just exit silently. |
| if (breakpad::GetBreakpadClient()->IsRunningUnattended()) |
| return; |
| |
| HMODULE ntdll = ::GetModuleHandleA("NTDLL.DLL"); |
| wchar_t* msg_template = NULL; |
| size_t count = ::FormatMessage( |
| FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_IGNORE_INSERTS | |
| FORMAT_MESSAGE_FROM_HMODULE, |
| ntdll, |
| nt_status, |
| MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), |
| reinterpret_cast<wchar_t*>(&msg_template), |
| 0, |
| NULL); |
| |
| if (!count) |
| return; |
| count += p1.size() + p2.size() + 1; |
| string16 message; |
| ::wsprintf(WriteInto(&message, count), msg_template, p1.c_str(), p2.c_str()); |
| // The MB_SERVICE_NOTIFICATION causes this message to be displayed by |
| // csrss. This means that we are not creating windows or pumping WM messages |
| // in this process. |
| ::MessageBox(NULL, message.c_str(), |
| L"chrome.exe", |
| MB_OK | MB_SERVICE_NOTIFICATION); |
| ::LocalFree(msg_template); |
| } |
| |
| void ModuleNotFoundHardError(const EXCEPTION_RECORD* ex_record) { |
| DelayLoadInfo* dli = reinterpret_cast<DelayLoadInfo*>( |
| ex_record->ExceptionInformation[0]); |
| if (!dli->szDll) |
| return; |
| RaiseHardErrorMsg(NT_STATUS_DLL_NOT_FOUND, dli->szDll, std::string()); |
| } |
| |
| void EntryPointNotFoundHardError(const EXCEPTION_RECORD* ex_record) { |
| DelayLoadInfo* dli = reinterpret_cast<DelayLoadInfo*>( |
| ex_record->ExceptionInformation[0]); |
| if (!dli->dlp.fImportByName) |
| return; |
| if (!dli->dlp.szProcName) |
| return; |
| if (!dli->szDll) |
| return; |
| RaiseHardErrorMsg(NT_STATUS_ENTRYPOINT_NOT_FOUND, |
| dli->dlp.szProcName, dli->szDll); |
| } |
| |
| } // namespace |
| |
| bool HardErrorHandler(EXCEPTION_POINTERS* ex_info) { |
| if (!ex_info) |
| return false; |
| if (!ex_info->ExceptionRecord) |
| return false; |
| |
| long exception = ex_info->ExceptionRecord->ExceptionCode; |
| if (exception == kExceptionModuleNotFound) { |
| ModuleNotFoundHardError(ex_info->ExceptionRecord); |
| return true; |
| } else if (exception == kExceptionEntryPtNotFound) { |
| EntryPointNotFoundHardError(ex_info->ExceptionRecord); |
| return true; |
| } else if (FacilityFromException(exception) == FACILITY_GRAPHICS_KERNEL) { |
| #if defined(USE_AURA) |
| RaiseHardErrorMsg(exception, std::string(), std::string()); |
| return true; |
| #else |
| return false; |
| #endif |
| } |
| return false; |
| } |