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 #define HeapEnableTerminationOnCorruption (HEAP_INFORMATION_CLASS)1
  50 #endif
  51
  52 #ifndef UNDER_CE
  53 static char *FromWide (const wchar_t *wide)
  54 {
  55     size_t len;
  56     len = WideCharToMultiByte (CP_UTF8, 0, wide, -1, NULL, 0, NULL, NULL);
  57
  58     char *out = (char *)malloc (len);
  59     if (out)
  60         WideCharToMultiByte (CP_UTF8, 0, wide, -1, out, len, NULL, NULL);
  61     return out;
  62 }
  63 #else
  64 static int parse_cmdline (char *line, char ***argvp)
  65 {
  66     char **argv = malloc (sizeof (char *));
  67     int argc = 0;
  68
  69     while (*line != '\0')
  70     {
  71         char quote = 0;
  72
  73         /* Skips white spaces */
  74         while (strchr ("\t ", *line))
  75             line++;
  76         if (!*line)
  77             break;
  78
  79         /* Starts a new parameter */
  80         argv = realloc (argv, (argc + 2) * sizeof (char *));
  81         if (*line == '"')
  82         {
  83             quote = '"';
  84             line++;
  85         }
  86         argv[argc++] = line;
  87
  88     more:
  89             while (*line && !strchr ("\t ", *line))
  90             line++;
  91
  92     if (line > argv[argc - 1] && line[-1] == quote)
  93         /* End of quoted parameter */
  94         line[-1] = 0;
  95     else
  96         if (*line && quote)
  97     {
  98         /* Space within a quote */
  99         line++;
 100         goto more;
 101     }
 102     else
 103         /* End of unquoted parameter */
 104         if (*line)
 105             *line++ = 0;
 106     }
 107     argv[argc] = NULL;
 108     *argvp = argv;
 109     return argc;
 110 }
 111 #endif
 112
 113 int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance,
 114 #ifndef UNDER_CE
 115                     LPSTR lpCmdLine,
 116 #else
 117                     LPWSTR lpCmdLine,
 118 #endif
 119                     int nCmdShow )
 120 {
 121     int argc;
 122 #ifndef UNDER_CE
 123     HeapSetInformation(NULL, HeapEnableTerminationOnCorruption, NULL, 0);
 124     wchar_t **wargv = CommandLineToArgvW (GetCommandLine (), &argc);
 125     if (wargv == NULL)
 126         return 1;
 127
 128     char *argv[argc + 1];
 129     BOOL crash_handling = TRUE;
 130     int j = 0;
 131
 132     argv[j++] = FromWide( L"--no-ignore-config" );
 133     for (int i = 1; i < argc; i++)
 134     {
 135         if(!wcscmp(wargv[i], L"--no-crashdump"))
 136         {
 137             crash_handling = FALSE;
 138         }
 139         else
 140         {
 141             argv[j] = FromWide (wargv[i]);
 142             j++;
 143         }
 144     }
 145
 146     argc = j;
 147     argv[argc] = NULL;
 148     LocalFree (wargv);
 149
 150 # ifndef _WIN64
 151     if(crash_handling)
 152     {
 153         check_crashdump();
 154         SetUnhandledExceptionFilter(vlc_exception_filter);
 155     }
 156 # endif /* WIN64 */
 157
 158 #else
 159     char **argv, psz_cmdline[wcslen(lpCmdLine) * 4];
 160
 161     WideCharToMultiByte( CP_UTF8, 0, lpCmdLine, -1,
 162                          psz_cmdline, sizeof (psz_cmdline), NULL, NULL );
 163
 164     argc = parse_cmdline (psz_cmdline, &argv);
 165 #endif
 166
 167     /* Initialize libvlc */
 168     libvlc_instance_t *vlc;
 169     vlc = libvlc_new (argc, (const char **)argv);
 170     if (vlc != NULL)
 171     {
 172         libvlc_add_intf (vlc, "globalhotkeys,none");
 173         libvlc_add_intf (vlc, NULL);
 174         libvlc_playlist_play (vlc, -1, 0, NULL);
 175         libvlc_wait (vlc);
 176         libvlc_release (vlc);
 177     }
 178
 179     for (int i = 0; i < argc; i++)
 180         free (argv[i]);
 181
 182     (void)hInstance; (void)hPrevInstance; (void)lpCmdLine; (void)nCmdShow;
 183     return 0;
 184 }
 185
 186 #if !defined( UNDER_CE ) && !defined( _WIN64 )
 187
 188 static void get_crashdump_path(wchar_t * wdir)
 189 {
 190     if( S_OK != SHGetFolderPathW( NULL,
 191                         CSIDL_APPDATA | CSIDL_FLAG_CREATE,
 192                         NULL, SHGFP_TYPE_CURRENT, wdir ) )
 193         fprintf( stderr, "Can't open the vlc conf PATH\n" );
 194
 195     swprintf( wdir+wcslen( wdir ), L"%s", L"\\vlc\\crashdump" );
 196 }
 197
 198 static void check_crashdump()
 199 {
 200     wchar_t * wdir = (wchar_t *)malloc(sizeof(wchar_t)*MAX_PATH);
 201     get_crashdump_path(wdir);
 202
 203     FILE * fd = _wfopen ( wdir, L"r, ccs=UTF-8" );
 204     if( fd )
 205     {
 206         fclose( fd );
 207         int answer = MessageBox( NULL, L"VLC media player just crashed." \
 208         " Do you want to send a bug report to the developers team?",
 209         L"VLC crash reporting", MB_YESNO);
 210
 211         if(answer == IDYES)
 212         {
 213             HINTERNET Hint = InternetOpen(L"VLC Crash Reporter", INTERNET_OPEN_TYPE_PRECONFIG, NULL,NULL,0);
 214             if(Hint)
 215             {
 216                 HINTERNET ftp = InternetConnect(Hint, L"crash.videolan.org", INTERNET_DEFAULT_FTP_PORT,
 217                                                 NULL, NULL, INTERNET_SERVICE_FTP, 0, 0);
 218                 if(ftp)
 219                 {
 220                     SYSTEMTIME now;
 221                     GetSystemTime(&now);
 222                     wchar_t remote_file[MAX_PATH];
 223                     swprintf( remote_file, L"/crashs/%04d%02d%02d%02d%02d%02d",now.wYear,
 224                             now.wMonth, now.wDay, now.wHour, now.wMinute, now.wSecond  );
 225
 226                     FtpPutFile( ftp, wdir, remote_file, FTP_TRANSFER_TYPE_BINARY, 0);
 227                     InternetCloseHandle(ftp);
 228                 }
 229                 else
 230                     fprintf(stderr,"Can't connect to FTP server%d\n",GetLastError());
 231                 InternetCloseHandle(Hint);
 232             }
 233         }
 234
 235         _wremove(wdir);
 236     }
 237     free((void *)wdir);
 238 }
 239
 240 /*****************************************************************************
 241  * vlc_exception_filter: handles unhandled exceptions, like segfaults
 242  *****************************************************************************/
 243 LONG WINAPI vlc_exception_filter(struct _EXCEPTION_POINTERS *lpExceptionInfo)
 244 {
 245     if(IsDebuggerPresent())
 246     {
 247         //If a debugger is present, pass the exception to the debugger with EXCEPTION_CONTINUE_SEARCH
 248         return EXCEPTION_CONTINUE_SEARCH;
 249     }
 250     else
 251     {
 252         fprintf( stderr, "unhandled vlc exception\n" );
 253
 254         wchar_t * wdir = (wchar_t *)malloc(sizeof(wchar_t)*MAX_PATH);
 255         get_crashdump_path(wdir);
 256         FILE * fd = _wfopen ( wdir, L"w, ccs=UTF-8" );
 257         free((void *)wdir);
 258
 259         if( !fd )
 260         {
 261             fprintf( stderr, "\nerror while opening file" );
 262             exit( 1 );
 263         }
 264
 265         OSVERSIONINFO osvi;
 266         ZeroMemory( &osvi, sizeof(OSVERSIONINFO) );
 267         osvi.dwOSVersionInfoSize = sizeof( OSVERSIONINFO );
 268         GetVersionEx( &osvi );
 269
 270         fwprintf( fd, L"[version]\nOS=%d.%d.%d.%d.%s\nVLC=" VERSION_MESSAGE, osvi.dwMajorVersion,
 271                                                                osvi.dwMinorVersion,
 272                                                                osvi.dwBuildNumber,
 273                                                                osvi.dwPlatformId,
 274                                                                osvi.szCSDVersion);
 275
 276         const CONTEXT *const pContext = (const CONTEXT *)lpExceptionInfo->ContextRecord;
 277         const EXCEPTION_RECORD *const pException = (const EXCEPTION_RECORD *)lpExceptionInfo->ExceptionRecord;
 278         /*No nested exceptions for now*/
 279         fwprintf( fd, L"\n\n[exceptions]\n%08x at %08x",pException->ExceptionCode,
 280                                                 pException->ExceptionAddress );
 281         if( pException->NumberParameters > 0 )
 282         {
 283             unsigned int i;
 284             for( i = 0; i < pException->NumberParameters; i++ )
 285                 fprintf( fd, " | %08x", pException->ExceptionInformation[i] );
 286         }
 287
 288         fwprintf( fd, L"\n\n[context]\nEDI:%08x\nESI:%08x\n" \
 289                     "EBX:%08x\nEDX:%08x\nECX:%08x\nEAX:%08x\n" \
 290                     "EBP:%08x\nEIP:%08x\nESP:%08x\n",
 291                         pContext->Edi,pContext->Esi,pContext->Ebx,
 292                         pContext->Edx,pContext->Ecx,pContext->Eax,
 293                         pContext->Ebp,pContext->Eip,pContext->Esp );
 294
 295         fwprintf( fd, L"\n[stacktrace]\n#EIP|base|module\n" );
 296
 297         wchar_t module[ 256 ];
 298         MEMORY_BASIC_INFORMATION mbi ;
 299         VirtualQuery( (DWORD *)pContext->Eip, &mbi, sizeof( mbi ) ) ;
 300         HINSTANCE hInstance = mbi.AllocationBase;
 301         GetModuleFileName( hInstance, module, 256 ) ;
 302         fwprintf( fd, L"%08x|%s\n", pContext->Eip, module );
 303
 304         DWORD pEbp = pContext->Ebp;
 305         DWORD caller = *((DWORD*)pEbp + 1);
 306
 307         do
 308         {
 309             VirtualQuery( (DWORD *)caller, &mbi, sizeof( mbi ) ) ;
 310             HINSTANCE hInstance = mbi.AllocationBase;
 311             GetModuleFileName( hInstance, module, 256 ) ;
 312             fwprintf( fd, L"%08x|%s\n", caller, module );
 313             pEbp = *(DWORD*)pEbp ;
 314             caller = *((DWORD*)pEbp + 1) ;
 315             /*The last EBP points to NULL!*/
 316         }while(caller);
 317
 318         fclose( fd );
 319         fflush( stderr );
 320         exit( 1 );
 321     }
 322 }
 323 #endif