bin/winvlc.c

   1 /*****************************************************************************
   2  * winvlc.c: the Windows VLC player
   3  *****************************************************************************
   4  * Copyright (C) 1998-2008 the VideoLAN team
   5  *
   6  * Authors: Vincent Seguin <seguin@via.ecp.fr>
   7  *          Samuel Hocevar <sam@zoy.org>
   8  *          Gildas Bazin <gbazin@videolan.org>
   9  *          Derk-Jan Hartman <hartman at videolan dot org>
  10  *          Lots of other people, see the libvlc AUTHORS file
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; if not, write to the Free Software
  24  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  25  *****************************************************************************/
  26
  27 #ifdef HAVE_CONFIG_H
  28 # include "config.h"
  29 #endif
  30
  31 #define UNICODE
  32 #include <vlc/vlc.h>
  33 #include <string.h>
  34 #include <stdio.h>
  35 #include <stdlib.h>
  36 #include <windows.h>
  37
  38 #if !defined(UNDER_CE)
  39 # ifndef _WIN32_IE
  40 #   define  _WIN32_IE 0x501
  41 # endif
  42 #   include <shlobj.h>
  43 #   include <tlhelp32.h>
  44 #   include <wininet.h>
  45 # ifndef _WIN64
  46 static void check_crashdump(void);
  47 LONG WINAPI vlc_exception_filter(struct _EXCEPTION_POINTERS *lpExceptionInfo);
  48 # endif
  49 #endif
  50
  51 #ifndef UNDER_CE
  52 static char *FromWide (const wchar_t *wide)
  53 {
  54     size_t len;
  55     len = WideCharToMultiByte (CP_UTF8, 0, wide, -1, NULL, 0, NULL, NULL);
  56
  57     char *out = (char *)malloc (len);
  58     if (out)
  59         WideCharToMultiByte (CP_UTF8, 0, wide, -1, out, len, NULL, NULL);
  60     return out;
  61 }
  62 #else
  63 static int parse_cmdline (char *line, char ***argvp)
  64 {
  65     char **argv = malloc (sizeof (char *));
  66     int argc = 0;
  67
  68     while (*line != '\0')
  69     {
  70         char quote = 0;
  71
  72         /* Skips white spaces */
  73         while (strchr ("\t ", *line))
  74             line++;
  75         if (!*line)
  76             break;
  77
  78         /* Starts a new parameter */
  79         argv = realloc (argv, (argc + 2) * sizeof (char *));
  80         if (*line == '"')
  81         {
  82             quote = '"';
  83             line++;
  84         }
  85         argv[argc++] = line;
  86
  87     more:
  88             while (*line && !strchr ("\t ", *line))
  89             line++;
  90
  91     if (line > argv[argc - 1] && line[-1] == quote)
  92         /* End of quoted parameter */
  93         line[-1] = 0;
  94     else
  95         if (*line && quote)
  96     {
  97         /* Space within a quote */
  98         line++;
  99         goto more;
 100     }
 101     else
 102         /* End of unquoted parameter */
 103         if (*line)
 104             *line++ = 0;
 105     }
 106     argv[argc] = NULL;
 107     *argvp = argv;
 108     return argc;
 109 }
 110 #endif
 111
 112 int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance,
 113 #ifndef UNDER_CE
 114                     LPSTR lpCmdLine,
 115 #else
 116                     LPWSTR lpCmdLine,
 117 #endif
 118                     int nCmdShow )
 119 {
 120     int argc, ret;
 121 #ifndef UNDER_CE
 122     wchar_t **wargv = CommandLineToArgvW (GetCommandLine (), &argc);
 123     if (wargv == NULL)
 124         return 1;
 125
 126     char *argv[argc + 1];
 127     BOOL crash_handling = TRUE;
 128     int j = 0;
 129
 130     argv[j++] = FromWide( L"--no-ignore-config" );
 131     for (int i = 1; i < argc; i++)
 132     {
 133         if(!wcscmp(wargv[i], L"--no-crashdump"))
 134         {
 135             crash_handling = FALSE;
 136         }
 137         else
 138         {
 139             argv[j] = FromWide (wargv[i]);
 140             j++;
 141         }
 142     }
 143
 144     argc = j;
 145     argv[argc] = NULL;
 146     LocalFree (wargv);
 147
 148 # ifndef _WIN64
 149     if(crash_handling)
 150     {
 151         check_crashdump();
 152         SetUnhandledExceptionFilter(vlc_exception_filter);
 153     }
 154 # endif /* WIN64 */
 155
 156 #else
 157     char **argv, psz_cmdline[wcslen(lpCmdLine) * 4];
 158
 159     WideCharToMultiByte( CP_UTF8, 0, lpCmdLine, -1,
 160                          psz_cmdline, sizeof (psz_cmdline), NULL, NULL );
 161
 162     argc = parse_cmdline (psz_cmdline, &argv);
 163 #endif
 164
 165     libvlc_exception_t ex, dummy;
 166     libvlc_exception_init (&ex);
 167     libvlc_exception_init (&dummy);
 168
 169     /* Initialize libvlc */
 170     libvlc_instance_t *vlc;
 171     vlc = libvlc_new (argc, (const char **)argv, &ex);
 172     if (vlc != NULL)
 173     {
 174         libvlc_add_intf (vlc, "globalhotkeys,none");
 175         libvlc_add_intf (vlc, NULL);
 176         libvlc_playlist_play (vlc, -1, 0, NULL, &dummy);
 177         libvlc_wait (vlc);
 178         libvlc_release (vlc);
 179     }
 180
 181     ret = libvlc_exception_raised (&ex);
 182     libvlc_exception_clear (&ex);
 183     libvlc_exception_clear (&dummy);
 184
 185     for (int i = 0; i < argc; i++)
 186         free (argv[i]);
 187
 188     (void)hInstance; (void)hPrevInstance; (void)lpCmdLine; (void)nCmdShow;
 189     return ret;
 190 }
 191
 192 #if !defined( UNDER_CE ) && !defined( _WIN64 )
 193
 194 static void get_crashdump_path(wchar_t * wdir)
 195 {
 196     if( S_OK != SHGetFolderPathW( NULL,
 197                         CSIDL_APPDATA | CSIDL_FLAG_CREATE,
 198                         NULL, SHGFP_TYPE_CURRENT, wdir ) )
 199         fprintf( stderr, "Can't open the vlc conf PATH\n" );
 200
 201     swprintf( wdir+wcslen( wdir ), L"%s", L"\\vlc\\crashdump" );
 202 }
 203
 204 static void check_crashdump()
 205 {
 206     wchar_t * wdir = (wchar_t *)malloc(sizeof(wchar_t)*MAX_PATH);
 207     get_crashdump_path(wdir);
 208
 209     FILE * fd = _wfopen ( wdir, L"r, ccs=UTF-8" );
 210     if( fd )
 211     {
 212         fclose( fd );
 213         int answer = MessageBox( NULL, L"VLC media player just crashed." \
 214         " Do you want to send a bug report to the developers team?",
 215         L"VLC crash reporting", MB_YESNO);
 216
 217         if(answer == IDYES)
 218         {
 219             HINTERNET Hint = InternetOpen(L"VLC Crash Reporter", INTERNET_OPEN_TYPE_PRECONFIG, NULL,NULL,0);
 220             if(Hint)
 221             {
 222                 HINTERNET ftp = InternetConnect(Hint, L"crash.videolan.org", INTERNET_DEFAULT_FTP_PORT,
 223                                                 NULL, NULL, INTERNET_SERVICE_FTP, 0, 0);
 224                 if(ftp)
 225                 {
 226                     SYSTEMTIME now;
 227                     GetSystemTime(&now);
 228                     wchar_t remote_file[MAX_PATH];
 229                     swprintf( remote_file, L"/crashs/%04d%02d%02d%02d%02d%02d",now.wYear,
 230                             now.wMonth, now.wDay, now.wHour, now.wMinute, now.wSecond  );
 231
 232                     FtpPutFile( ftp, wdir, remote_file, FTP_TRANSFER_TYPE_BINARY, 0);
 233                     InternetCloseHandle(ftp);
 234                 }
 235                 else
 236                     fprintf(stderr,"Can't connect to FTP server%d\n",GetLastError());
 237                 InternetCloseHandle(Hint);
 238             }
 239         }
 240
 241         _wremove(wdir);
 242     }
 243     free((void *)wdir);
 244 }
 245
 246 /*****************************************************************************
 247  * vlc_exception_filter: handles unhandled exceptions, like segfaults
 248  *****************************************************************************/
 249 LONG WINAPI vlc_exception_filter(struct _EXCEPTION_POINTERS *lpExceptionInfo)
 250 {
 251     if(IsDebuggerPresent())
 252     {
 253         //If a debugger is present, pass the exception to the debugger with EXCEPTION_CONTINUE_SEARCH
 254         return EXCEPTION_CONTINUE_SEARCH;
 255     }
 256     else
 257     {
 258         fprintf( stderr, "unhandled vlc exception\n" );
 259
 260         wchar_t * wdir = (wchar_t *)malloc(sizeof(wchar_t)*MAX_PATH);
 261         get_crashdump_path(wdir);
 262         FILE * fd = _wfopen ( wdir, L"w, ccs=UTF-8" );
 263         free((void *)wdir);
 264
 265         if( !fd )
 266         {
 267             fprintf( stderr, "\nerror while opening file" );
 268             exit( 1 );
 269         }
 270
 271         OSVERSIONINFO osvi;
 272         ZeroMemory( &osvi, sizeof(OSVERSIONINFO) );
 273         osvi.dwOSVersionInfoSize = sizeof( OSVERSIONINFO );
 274         GetVersionEx( &osvi );
 275
 276         fwprintf( fd, L"[version]\nOS=%d.%d.%d.%d.%s\nVLC=" VERSION_MESSAGE, osvi.dwMajorVersion,
 277                                                                osvi.dwMinorVersion,
 278                                                                osvi.dwBuildNumber,
 279                                                                osvi.dwPlatformId,
 280                                                                osvi.szCSDVersion);
 281
 282         const CONTEXT *const pContext = (const CONTEXT *)lpExceptionInfo->ContextRecord;
 283         const EXCEPTION_RECORD *const pException = (const EXCEPTION_RECORD *)lpExceptionInfo->ExceptionRecord;
 284         /*No nested exceptions for now*/
 285         fwprintf( fd, L"\n\n[exceptions]\n%08x at %08x",pException->ExceptionCode,
 286                                                 pException->ExceptionAddress );
 287         if( pException->NumberParameters > 0 )
 288         {
 289             unsigned int i;
 290             for( i = 0; i < pException->NumberParameters; i++ )
 291                 fprintf( fd, " | %08x", pException->ExceptionInformation[i] );
 292         }
 293
 294         fwprintf( fd, L"\n\n[context]\nEDI:%08x\nESI:%08x\n" \
 295                     "EBX:%08x\nEDX:%08x\nECX:%08x\nEAX:%08x\n" \
 296                     "EBP:%08x\nEIP:%08x\nESP:%08x\n",
 297                         pContext->Edi,pContext->Esi,pContext->Ebx,
 298                         pContext->Edx,pContext->Ecx,pContext->Eax,
 299                         pContext->Ebp,pContext->Eip,pContext->Esp );
 300
 301         fwprintf( fd, L"\n[stacktrace]\n#EIP|base|module\n" );
 302
 303         wchar_t module[ 256 ];
 304         MEMORY_BASIC_INFORMATION mbi ;
 305         VirtualQuery( (DWORD *)pContext->Eip, &mbi, sizeof( mbi ) ) ;
 306         HINSTANCE hInstance = mbi.AllocationBase;
 307         GetModuleFileName( hInstance, module, 256 ) ;
 308         fwprintf( fd, L"%08x|%s\n", pContext->Eip, module );
 309
 310         DWORD pEbp = pContext->Ebp;
 311         DWORD caller = *((DWORD*)pEbp + 1);
 312
 313         do
 314         {
 315             VirtualQuery( (DWORD *)caller, &mbi, sizeof( mbi ) ) ;
 316             HINSTANCE hInstance = mbi.AllocationBase;
 317             GetModuleFileName( hInstance, module, 256 ) ;
 318             fwprintf( fd, L"%08x|%s\n", caller, module );
 319             pEbp = *(DWORD*)pEbp ;
 320             caller = *((DWORD*)pEbp + 1) ;
 321             /*The last EBP points to NULL!*/
 322         }while(caller);
 323
 324         fclose( fd );
 325         fflush( stderr );
 326         exit( 1 );
 327     }
 328 }
 329 #endif