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
 125     HINSTANCE h_Kernel32 = LoadLibraryW(L"kernel32.dll");
 126     if(h_Kernel32)
 127     {
 128         BOOL (WINAPI * mySetProcessDEPPolicy)( DWORD dwFlags);
 129 # define PROCESS_DEP_ENABLE 1
 130
 131         mySetProcessDEPPolicy = (BOOL WINAPI (*)(DWORD))
 132                             GetProcAddress(h_Kernel32, "SetProcessDEPPolicy");
 133         if(mySetProcessDEPPolicy)
 134             mySetProcessDEPPolicy(PROCESS_DEP_ENABLE);
 135         FreeLibrary(h_Kernel32);
 136     }
 137
 138     wchar_t **wargv = CommandLineToArgvW (GetCommandLine (), &argc);
 139     if (wargv == NULL)
 140         return 1;
 141
 142     char *argv[argc + 2];
 143     BOOL crash_handling = TRUE;
 144     int j = 0;
 145
 146     argv[j++] = FromWide( L"--media-library" );
 147     argv[j++] = FromWide( L"--no-ignore-config" );
 148     for (int i = 1; i < argc; i++)
 149     {
 150         if(!wcscmp(wargv[i], L"--no-crashdump"))
 151         {
 152             crash_handling = FALSE;
 153             continue; /* don't give argument to libvlc */
 154         }
 155
 156         argv[j++] = FromWide (wargv[i]);
 157     }
 158
 159     argc = j;
 160     argv[argc] = NULL;
 161     LocalFree (wargv);
 162
 163 # ifndef _WIN64
 164     if(crash_handling)
 165     {
 166         check_crashdump();
 167         SetUnhandledExceptionFilter(vlc_exception_filter);
 168     }
 169 # endif /* WIN64 */
 170
 171 #else
 172     char **argv, psz_cmdline[wcslen(lpCmdLine) * 4];
 173
 174     WideCharToMultiByte( CP_UTF8, 0, lpCmdLine, -1,
 175                          psz_cmdline, sizeof (psz_cmdline), NULL, NULL );
 176
 177     argc = parse_cmdline (psz_cmdline, &argv);
 178 #endif
 179
 180     /* Initialize libvlc */
 181     libvlc_instance_t *vlc;
 182     vlc = libvlc_new (argc, (const char **)argv);
 183     if (vlc != NULL)
 184     {
 185         libvlc_add_intf (vlc, "globalhotkeys,none");
 186         libvlc_add_intf (vlc, NULL);
 187         libvlc_playlist_play (vlc, -1, 0, NULL);
 188         libvlc_wait (vlc);
 189         libvlc_release (vlc);
 190     }
 191
 192     for (int i = 0; i < argc; i++)
 193         free (argv[i]);
 194
 195     (void)hInstance; (void)hPrevInstance; (void)lpCmdLine; (void)nCmdShow;
 196     return 0;
 197 }
 198
 199 #if !defined( UNDER_CE ) && !defined( _WIN64 )
 200
 201 static void get_crashdump_path(wchar_t * wdir)
 202 {
 203     if( S_OK != SHGetFolderPathW( NULL,
 204                         CSIDL_APPDATA | CSIDL_FLAG_CREATE,
 205                         NULL, SHGFP_TYPE_CURRENT, wdir ) )
 206         fprintf( stderr, "Can't open the vlc conf PATH\n" );
 207
 208     swprintf( wdir+wcslen( wdir ), L"%s", L"\\vlc\\crashdump" );
 209 }
 210
 211 static void check_crashdump()
 212 {
 213     wchar_t * wdir = (wchar_t *)malloc(sizeof(wchar_t)*MAX_PATH);
 214     get_crashdump_path(wdir);
 215
 216     FILE * fd = _wfopen ( wdir, L"r, ccs=UTF-8" );
 217     if( fd )
 218     {
 219         fclose( fd );
 220         int answer = MessageBox( NULL, L"VLC media player just crashed." \
 221         " Do you want to send a bug report to the developers team?",
 222         L"VLC crash reporting", MB_YESNO);
 223
 224         if(answer == IDYES)
 225         {
 226             HINTERNET Hint = InternetOpen(L"VLC Crash Reporter", INTERNET_OPEN_TYPE_PRECONFIG, NULL,NULL,0);
 227             if(Hint)
 228             {
 229                 HINTERNET ftp = InternetConnect(Hint, L"crash.videolan.org", INTERNET_DEFAULT_FTP_PORT,
 230                                                 NULL, NULL, INTERNET_SERVICE_FTP, 0, 0);
 231                 if(ftp)
 232                 {
 233                     SYSTEMTIME now;
 234                     GetSystemTime(&now);
 235                     wchar_t remote_file[MAX_PATH];
 236                     swprintf( remote_file, L"/crashs/%04d%02d%02d%02d%02d%02d",now.wYear,
 237                             now.wMonth, now.wDay, now.wHour, now.wMinute, now.wSecond  );
 238
 239                     FtpPutFile( ftp, wdir, remote_file, FTP_TRANSFER_TYPE_BINARY, 0);
 240                     InternetCloseHandle(ftp);
 241                 }
 242                 else
 243                     fprintf(stderr,"Can't connect to FTP server%d\n",GetLastError());
 244                 InternetCloseHandle(Hint);
 245             }
 246         }
 247
 248         _wremove(wdir);
 249     }
 250     free((void *)wdir);
 251 }
 252
 253 /*****************************************************************************
 254  * vlc_exception_filter: handles unhandled exceptions, like segfaults
 255  *****************************************************************************/
 256 LONG WINAPI vlc_exception_filter(struct _EXCEPTION_POINTERS *lpExceptionInfo)
 257 {
 258     if(IsDebuggerPresent())
 259     {
 260         //If a debugger is present, pass the exception to the debugger with EXCEPTION_CONTINUE_SEARCH
 261         return EXCEPTION_CONTINUE_SEARCH;
 262     }
 263     else
 264     {
 265         fprintf( stderr, "unhandled vlc exception\n" );
 266
 267         wchar_t * wdir = (wchar_t *)malloc(sizeof(wchar_t)*MAX_PATH);
 268         get_crashdump_path(wdir);
 269         FILE * fd = _wfopen ( wdir, L"w, ccs=UTF-8" );
 270         free((void *)wdir);
 271
 272         if( !fd )
 273         {
 274             fprintf( stderr, "\nerror while opening file" );
 275             exit( 1 );
 276         }
 277
 278         OSVERSIONINFO osvi;
 279         ZeroMemory( &osvi, sizeof(OSVERSIONINFO) );
 280         osvi.dwOSVersionInfoSize = sizeof( OSVERSIONINFO );
 281         GetVersionEx( &osvi );
 282
 283         fwprintf( fd, L"[version]\nOS=%d.%d.%d.%d.%s\nVLC=" VERSION_MESSAGE, osvi.dwMajorVersion,
 284                                                                osvi.dwMinorVersion,
 285                                                                osvi.dwBuildNumber,
 286                                                                osvi.dwPlatformId,
 287                                                                osvi.szCSDVersion);
 288
 289         const CONTEXT *const pContext = (const CONTEXT *)lpExceptionInfo->ContextRecord;
 290         const EXCEPTION_RECORD *const pException = (const EXCEPTION_RECORD *)lpExceptionInfo->ExceptionRecord;
 291         /*No nested exceptions for now*/
 292         fwprintf( fd, L"\n\n[exceptions]\n%08x at %08x",pException->ExceptionCode,
 293                                                 pException->ExceptionAddress );
 294         if( pException->NumberParameters > 0 )
 295         {
 296             unsigned int i;
 297             for( i = 0; i < pException->NumberParameters; i++ )
 298                 fprintf( fd, " | %08x", pException->ExceptionInformation[i] );
 299         }
 300
 301         fwprintf( fd, L"\n\n[context]\nEDI:%08x\nESI:%08x\n" \
 302                     "EBX:%08x\nEDX:%08x\nECX:%08x\nEAX:%08x\n" \
 303                     "EBP:%08x\nEIP:%08x\nESP:%08x\n",
 304                         pContext->Edi,pContext->Esi,pContext->Ebx,
 305                         pContext->Edx,pContext->Ecx,pContext->Eax,
 306                         pContext->Ebp,pContext->Eip,pContext->Esp );
 307
 308         fwprintf( fd, L"\n[stacktrace]\n#EIP|base|module\n" );
 309
 310         wchar_t module[ 256 ];
 311         MEMORY_BASIC_INFORMATION mbi ;
 312         VirtualQuery( (DWORD *)pContext->Eip, &mbi, sizeof( mbi ) ) ;
 313         HINSTANCE hInstance = mbi.AllocationBase;
 314         GetModuleFileName( hInstance, module, 256 ) ;
 315         fwprintf( fd, L"%08x|%s\n", pContext->Eip, module );
 316
 317         DWORD pEbp = pContext->Ebp;
 318         DWORD caller = *((DWORD*)pEbp + 1);
 319
 320         do
 321         {
 322             VirtualQuery( (DWORD *)caller, &mbi, sizeof( mbi ) ) ;
 323             HINSTANCE hInstance = mbi.AllocationBase;
 324             GetModuleFileName( hInstance, module, 256 ) ;
 325             fwprintf( fd, L"%08x|%s\n", caller, module );
 326             pEbp = *(DWORD*)pEbp ;
 327             caller = *((DWORD*)pEbp + 1) ;
 328             /*The last EBP points to NULL!*/
 329         }while(caller);
 330
 331         fclose( fd );
 332         fflush( stderr );
 333         exit( 1 );
 334     }
 335 }
 336 #endif