bin/breakpad.cpp

   1 /*****************************************************************************
   2  * breakpad.cpp: Wrapper to breakpad crash handler
   3  *****************************************************************************
   4  * Copyright (C) 1998-2017 VLC authors
   5  *
   6  * Authors: Hugo Beauzée-Luyssen <hugo@beauzee.fr>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  21  *****************************************************************************/
  22
  23 #ifdef HAVE_CONFIG_H
  24 # include "config.h"
  25 #endif
  26
  27 #include <windows.h>
  28 #include "client/windows/handler/exception_handler.h"
  29 #include "common/windows/http_upload.h"
  30 #include <memory>
  31 #include <map>
  32 #include <string>
  33
  34 using google_breakpad::ExceptionHandler;
  35
  36 static bool FilterCallback(void*, EXCEPTION_POINTERS*, MDRawAssertionInfo*)
  37 {
  38     // Don't spam breakpad if we're debugging
  39     return !IsDebuggerPresent();
  40 }
  41
  42 extern "C"
  43 {
  44
  45 void CheckCrashDump( const wchar_t* path )
  46 {
  47     wchar_t pattern[MAX_PATH];
  48     WIN32_FIND_DATA data;
  49     _snwprintf( pattern, MAX_PATH, L"%s/*.dmp", path );
  50     HANDLE h = FindFirstFile( pattern, &data );
  51     if (h == INVALID_HANDLE_VALUE)
  52         return;
  53     int answer = MessageBox( NULL, L"Ooops: VLC media player just crashed.\n" \
  54         "Would you like to send a bug report to the developers team?",
  55         L"VLC crash reporting", MB_YESNO);
  56     std::map<std::wstring, std::wstring> params;
  57     params[L"prod"] = L"VLC";
  58     params[L"ver"] = TEXT(PACKAGE_VERSION);
  59     do
  60     {
  61         wchar_t fullPath[MAX_PATH];
  62         _snwprintf( fullPath, MAX_PATH, L"%s/%s", path, data.cFileName );
  63         if( answer == IDYES )
  64         {
  65             std::map<std::wstring, std::wstring> files;
  66             files[L"upload_file_minidump"] = fullPath;
  67             google_breakpad::HTTPUpload::SendRequest(
  68                             TEXT( BREAKPAD_URL "/reports" ), params, files,
  69                             NULL, NULL, NULL );
  70         }
  71         DeleteFile( fullPath );
  72     } while ( FindNextFile( h, &data ) );
  73     FindClose(h);
  74 }
  75
  76 void* InstallCrashHandler( const wchar_t* crashdump_path )
  77 {
  78     // Breakpad needs the folder to exist to generate the crashdump
  79     CreateDirectory( crashdump_path, NULL );
  80     return new(std::nothrow) ExceptionHandler( crashdump_path, FilterCallback,
  81                                 NULL, NULL, ExceptionHandler::HANDLER_ALL);
  82 }
  83
  84 void ReleaseCrashHandler( void* handler )
  85 {
  86     ExceptionHandler* eh = reinterpret_cast<ExceptionHandler*>( handler );
  87     delete eh;
  88 }
  89
  90 }