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 #   define  _WIN32_IE 0x500
  40 #   include <shlobj.h>
  41 #   include <tlhelp32.h>
  42 #   include <wininet.h>
  43 static void check_crashdump();
  44 LONG WINAPI vlc_exception_filter(struct _EXCEPTION_POINTERS *lpExceptionInfo);
  45 #endif
  46
  47 #ifndef UNDER_CE
  48 static char *FromWide (const wchar_t *wide)
  49 {
  50     size_t len;
  51     len = WideCharToMultiByte (CP_UTF8, 0, wide, -1, NULL, 0, NULL, NULL);
  52
  53     char *out = (char *)malloc (len);
  54     if (out)
  55         WideCharToMultiByte (CP_UTF8, 0, wide, -1, out, len, NULL, NULL);
  56     return out;
  57 }
  58 #else
  59 static int parse_cmdline (char *line, char ***argvp)
  60 {
  61     char **argv = malloc (sizeof (char *));
  62     int argc = 0;
  63
  64     while (*line != '\0')
  65     {
  66         char quote = 0;
  67
  68         /* Skips white spaces */
  69         while (strchr ("\t ", *line))
  70             line++;
  71         if (!*line)
  72             break;
  73
  74         /* Starts a new parameter */
  75         argv = realloc (argv, (argc + 2) * sizeof (char *));
  76         if (*line == '"')
  77         {
  78             quote = '"';
  79             line++;
  80         }
  81         argv[argc++] = line;
  82
  83     more:
  84             while (*line && !strchr ("\t ", *line))
  85             line++;
  86
  87     if (line > argv[argc - 1] && line[-1] == quote)
  88         /* End of quoted parameter */
  89         line[-1] = 0;
  90     else
  91         if (*line && quote)
  92     {
  93         /* Space within a quote */
  94         line++;
  95         goto more;
  96     }
  97     else
  98         /* End of unquoted parameter */
  99         if (*line)
 100             *line++ = 0;
 101     }
 102     argv[argc] = NULL;
 103     *argvp = argv;
 104     return argc;
 105 }
 106 #endif
 107
 108 int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance,
 109 #ifndef UNDER_CE
 110                     LPSTR lpCmdLine,
 111 #else
 112                     LPWSTR lpCmdLine,
 113 #endif
 114                     int nCmdShow )
 115 {
 116     int argc, ret;
 117 #ifndef UNDER_CE
 118     wchar_t **wargv = CommandLineToArgvW (GetCommandLine (), &argc);
 119     if (wargv == NULL)
 120         return 1;
 121
 122     char *argv[argc + 1];
 123     BOOL crash_handling = TRUE;
 124     int j = 0;
 125     for (int i = 0; i < argc; i++)
 126     {
 127         if(!wcscmp(wargv[i], L"--no-crashdump"))
 128         {
 129             crash_handling = FALSE;
 130         }
 131         else
 132         {
 133             argv[j] = FromWide (wargv[i]);
 134             j++;
 135         }
 136     }
 137
 138     argc = j;
 139     argv[argc] = NULL;
 140     LocalFree (wargv);
 141
 142     if(crash_handling)
 143     {
 144         check_crashdump();
 145         SetUnhandledExceptionFilter(vlc_exception_filter);
 146     }
 147
 148 #else
 149     char **argv, psz_cmdline[wcslen(lpCmdLine) * 4];
 150
 151     WideCharToMultiByte( CP_UTF8, 0, lpCmdLine, -1,
 152                          psz_cmdline, sizeof (psz_cmdline), NULL, NULL );
 153
 154     argc = parse_cmdline (psz_cmdline, &argv);
 155 #endif
 156
 157     libvlc_exception_t ex, dummy;
 158     libvlc_exception_init (&ex);
 159     libvlc_exception_init (&dummy);
 160
 161     /* Initialize libvlc */
 162     libvlc_instance_t *vlc;
 163     vlc = libvlc_new (argc - 1, (const char **)argv + 1, &ex);
 164     if (vlc != NULL)
 165     {
 166         libvlc_add_intf (vlc, "globalhotkeys,none", &ex);
 167         libvlc_add_intf (vlc, NULL, &ex);
 168         libvlc_playlist_play (vlc, -1, 0, NULL, &dummy);
 169         libvlc_wait (vlc);
 170         libvlc_release (vlc);
 171     }
 172
 173     ret = libvlc_exception_raised (&ex);
 174     libvlc_exception_clear (&ex);
 175     libvlc_exception_clear (&dummy);
 176
 177     for (int i = 0; i < argc; i++)
 178         free (argv[i]);
 179
 180     (void)hInstance; (void)hPrevInstance; (void)lpCmdLine; (void)nCmdShow;
 181     return ret;
 182 }
 183
 184 #if !defined( UNDER_CE )
 185
 186 static void get_crashdump_path(wchar_t * wdir)
 187 {
 188     if( S_OK != SHGetFolderPathW( NULL,
 189                         CSIDL_APPDATA | CSIDL_FLAG_CREATE,
 190                         NULL, SHGFP_TYPE_CURRENT, wdir ) )
 191         fprintf( stderr, "Can't open the vlc conf PATH\n" );
 192
 193     swprintf( wdir+wcslen( wdir ), L"%s", L"\\vlc\\crashdump" );
 194 }
 195
 196 static void check_crashdump()
 197 {
 198     wchar_t * wdir = (wchar_t *)malloc(sizeof(wchar_t)*MAX_PATH);
 199     get_crashdump_path(wdir);
 200
 201     FILE * fd = _wfopen ( wdir, L"r, ccs=UTF-8" );
 202     if( fd )
 203     {
 204         fclose( fd );
 205         int answer = MessageBox( NULL, L"VLC media player just crashed." \
 206         " Do you want to send a bug report to the developers team?",
 207         L"VLC crash reporting", MB_YESNO);
 208
 209         if(answer == IDYES)
 210         {
 211             HINTERNET Hint = InternetOpen(L"VLC Crash Reporter", INTERNET_OPEN_TYPE_PRECONFIG, NULL,NULL,0);
 212             if(Hint)
 213             {
 214                 HINTERNET ftp = InternetConnect(Hint, L"crash.videolan.org", INTERNET_DEFAULT_FTP_PORT,
 215                                                 NULL, NULL, INTERNET_SERVICE_FTP, 0, 0);
 216                 if(ftp)
 217                 {
 218                     SYSTEMTIME now;
 219                     GetSystemTime(&now);
 220                     wchar_t remote_file[MAX_PATH];
 221                     swprintf( remote_file, L"/crashs/%04d%02d%02d%02d%02d%02d",now.wYear,
 222                             now.wMonth, now.wDay, now.wHour, now.wMinute, now.wSecond  );
 223
 224                     FtpPutFile( ftp, wdir, remote_file, FTP_TRANSFER_TYPE_BINARY, 0);
 225                     InternetCloseHandle(ftp);
 226                 }
 227                 else
 228                     fprintf(stderr,"Can't connect to FTP server%d\n",GetLastError());
 229                 InternetCloseHandle(Hint);
 230             }
 231         }
 232
 233         _wremove(wdir);
 234     }
 235     free((void *)wdir);
 236 }
 237
 238 /*****************************************************************************
 239  * vlc_exception_filter: handles unhandled exceptions, like segfaults
 240  *****************************************************************************/
 241 LONG WINAPI vlc_exception_filter(struct _EXCEPTION_POINTERS *lpExceptionInfo)
 242 {
 243     if(IsDebuggerPresent())
 244     {
 245         //If a debugger is present, pass the exception to the debugger with EXCEPTION_CONTINUE_SEARCH
 246         return EXCEPTION_CONTINUE_SEARCH;
 247     }
 248     else
 249     {
 250         fprintf( stderr, "unhandled vlc exception\n" );
 251
 252         wchar_t * wdir = (wchar_t *)malloc(sizeof(wchar_t)*MAX_PATH);
 253         get_crashdump_path(wdir);
 254         FILE * fd = _wfopen ( wdir, L"w, ccs=UTF-8" );
 255         free((void *)wdir);
 256
 257         if( !fd )
 258         {
 259             fprintf( stderr, "\nerror while opening file" );
 260             exit( 1 );
 261         }
 262
 263         OSVERSIONINFO osvi;
 264         ZeroMemory( &osvi, sizeof(OSVERSIONINFO) );
 265         osvi.dwOSVersionInfoSize = sizeof( OSVERSIONINFO );
 266         GetVersionEx( &osvi );
 267
 268         fwprintf( fd, L"[version]\nOS=%d.%d.%d.%d.%s\nVLC=" VERSION_MESSAGE, osvi.dwMajorVersion,
 269                                                                osvi.dwMinorVersion,
 270                                                                osvi.dwBuildNumber,
 271                                                                osvi.dwPlatformId,
 272                                                                osvi.szCSDVersion);
 273
 274         const CONTEXT *const pContext = (const CONTEXT *)lpExceptionInfo->ContextRecord;
 275         const EXCEPTION_RECORD *const pException = (const EXCEPTION_RECORD *)lpExceptionInfo->ExceptionRecord;
 276         /*No nested exceptions for now*/
 277         fwprintf( fd, L"\n\n[exceptions]\n%08x at %08x",pException->ExceptionCode,
 278                                                 pException->ExceptionAddress );
 279         if( pException->NumberParameters > 0 )
 280         {
 281             unsigned int i;
 282             for( i = 0; i < pException->NumberParameters; i++ )
 283                 fprintf( fd, " | %08x", pException->ExceptionInformation[i] );
 284         }
 285
 286         fwprintf( fd, L"\n\n[context]\nEDI:%08x\nESI:%08x\n" \
 287                     "EBX:%08x\nEDX:%08x\nECX:%08x\nEAX:%08x\n" \
 288                     "EBP:%08x\nEIP:%08x\nESP:%08x\n",
 289                         pContext->Edi,pContext->Esi,pContext->Ebx,
 290                         pContext->Edx,pContext->Ecx,pContext->Eax,
 291                         pContext->Ebp,pContext->Eip,pContext->Esp );
 292
 293         fwprintf( fd, L"\n[stacktrace]\n#EIP|base|module\n" );
 294
 295         wchar_t module[ 256 ];
 296         MEMORY_BASIC_INFORMATION mbi ;
 297         VirtualQuery( (DWORD *)pContext->Eip, &mbi, sizeof( mbi ) ) ;
 298         HINSTANCE hInstance = mbi.AllocationBase;
 299         GetModuleFileName( hInstance, module, 256 ) ;
 300         fwprintf( fd, L"%08x|%s\n", pContext->Eip, module );
 301
 302         DWORD pEbp = pContext->Ebp;
 303         DWORD caller = *((DWORD*)pEbp + 1);
 304
 305         do
 306         {
 307             VirtualQuery( (DWORD *)caller, &mbi, sizeof( mbi ) ) ;
 308             HINSTANCE hInstance = mbi.AllocationBase;
 309             GetModuleFileName( hInstance, module, 256 ) ;
 310             fwprintf( fd, L"%08x|%s\n", caller, module );
 311             pEbp = *(DWORD*)pEbp ;
 312             caller = *((DWORD*)pEbp + 1) ;
 313             /*The last EBP points to NULL!*/
 314         }while(caller);
 315
 316         fclose( fd );
 317         fflush( stderr );
 318         exit( 1 );
 319     }
 320 }
 321 #endif