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 typedef enum _HEAP_INFORMATION_CLASS {
  50         HeapCompatibilityInformation,
  51         HeapEnableTerminationOnCorruption
  52 } HEAP_INFORMATION_CLASS;
  53 WINBASEAPI BOOL WINAPI HeapSetInformation(HANDLE,HEAP_INFORMATION_CLASS,PVOID,SIZE_T);
  54 #define HeapEnableTerminationOnCorruption (HEAP_INFORMATION_CLASS)1
  55 #endif
  56
  57 #ifndef UNDER_CE
  58 static char *FromWide (const wchar_t *wide)
  59 {
  60     size_t len;
  61     len = WideCharToMultiByte (CP_UTF8, 0, wide, -1, NULL, 0, NULL, NULL);
  62
  63     char *out = (char *)malloc (len);
  64     if (out)
  65         WideCharToMultiByte (CP_UTF8, 0, wide, -1, out, len, NULL, NULL);
  66     return out;
  67 }
  68 #else
  69 static int parse_cmdline (char *line, char ***argvp)
  70 {
  71     char **argv = malloc (sizeof (char *));
  72     int argc = 0;
  73
  74     while (*line != '\0')
  75     {
  76         char quote = 0;
  77
  78         /* Skips white spaces */
  79         while (strchr ("\t ", *line))
  80             line++;
  81         if (!*line)
  82             break;
  83
  84         /* Starts a new parameter */
  85         argv = realloc (argv, (argc + 2) * sizeof (char *));
  86         if (*line == '"')
  87         {
  88             quote = '"';
  89             line++;
  90         }
  91         argv[argc++] = line;
  92
  93     more:
  94             while (*line && !strchr ("\t ", *line))
  95             line++;
  96
  97     if (line > argv[argc - 1] && line[-1] == quote)
  98         /* End of quoted parameter */
  99         line[-1] = 0;
 100     else
 101         if (*line && quote)
 102     {
 103         /* Space within a quote */
 104         line++;
 105         goto more;
 106     }
 107     else
 108         /* End of unquoted parameter */
 109         if (*line)
 110             *line++ = 0;
 111     }
 112     argv[argc] = NULL;
 113     *argvp = argv;
 114     return argc;
 115 }
 116 #endif
 117
 118 int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance,
 119 #ifndef UNDER_CE
 120                     LPSTR lpCmdLine,
 121 #else
 122                     LPWSTR lpCmdLine,
 123 #endif
 124                     int nCmdShow )
 125 {
 126     int argc;
 127 #ifndef UNDER_CE
 128     HeapSetInformation(NULL, HeapEnableTerminationOnCorruption, NULL, 0);
 129
 130     HINSTANCE h_Kernel32 = LoadLibraryW(L"kernel32.dll");
 131     if(h_Kernel32)
 132     {
 133         BOOL (WINAPI * mySetProcessDEPPolicy)( DWORD dwFlags);
 134 # define PROCESS_DEP_ENABLE 1
 135
 136         mySetProcessDEPPolicy = (BOOL WINAPI (*)(DWORD))
 137                             GetProcAddress(h_Kernel32, "SetProcessDEPPolicy");
 138         if(mySetProcessDEPPolicy)
 139             mySetProcessDEPPolicy(PROCESS_DEP_ENABLE);
 140         FreeLibrary(h_Kernel32);
 141     }
 142
 143     wchar_t **wargv = CommandLineToArgvW (GetCommandLine (), &argc);
 144     if (wargv == NULL)
 145         return 1;
 146
 147     char *argv[argc + 1];
 148     BOOL crash_handling = TRUE;
 149     int j = 0;
 150
 151     argv[j++] = FromWide( L"--no-ignore-config" );
 152     for (int i = 1; i < argc; i++)
 153     {
 154         if(!wcscmp(wargv[i], L"--no-crashdump"))
 155         {
 156             crash_handling = FALSE;
 157         }
 158         else
 159         {
 160             argv[j] = FromWide (wargv[i]);
 161             j++;
 162         }
 163     }
 164
 165     argc = j;
 166     argv[argc] = NULL;
 167     LocalFree (wargv);
 168
 169 # ifndef _WIN64
 170     if(crash_handling)
 171     {
 172         check_crashdump();
 173         SetUnhandledExceptionFilter(vlc_exception_filter);
 174     }
 175 # endif /* WIN64 */
 176
 177 #else
 178     char **argv, psz_cmdline[wcslen(lpCmdLine) * 4];
 179
 180     WideCharToMultiByte( CP_UTF8, 0, lpCmdLine, -1,
 181                          psz_cmdline, sizeof (psz_cmdline), NULL, NULL );
 182
 183     argc = parse_cmdline (psz_cmdline, &argv);
 184 #endif
 185
 186     /* Initialize libvlc */
 187     libvlc_instance_t *vlc;
 188     vlc = libvlc_new (argc, (const char **)argv);
 189     if (vlc != NULL)
 190     {
 191         libvlc_add_intf (vlc, "globalhotkeys,none");
 192         libvlc_add_intf (vlc, NULL);
 193         libvlc_playlist_play (vlc, -1, 0, NULL);
 194         libvlc_wait (vlc);
 195         libvlc_release (vlc);
 196     }
 197
 198     for (int i = 0; i < argc; i++)
 199         free (argv[i]);
 200
 201     (void)hInstance; (void)hPrevInstance; (void)lpCmdLine; (void)nCmdShow;
 202     return 0;
 203 }
 204
 205 #if !defined( UNDER_CE ) && !defined( _WIN64 )
 206
 207 static void get_crashdump_path(wchar_t * wdir)
 208 {
 209     if( S_OK != SHGetFolderPathW( NULL,
 210                         CSIDL_APPDATA | CSIDL_FLAG_CREATE,
 211                         NULL, SHGFP_TYPE_CURRENT, wdir ) )
 212         fprintf( stderr, "Can't open the vlc conf PATH\n" );
 213
 214     swprintf( wdir+wcslen( wdir ), L"%s", L"\\vlc\\crashdump" );
 215 }
 216
 217 static void check_crashdump()
 218 {
 219     wchar_t * wdir = (wchar_t *)malloc(sizeof(wchar_t)*MAX_PATH);
 220     get_crashdump_path(wdir);
 221
 222     FILE * fd = _wfopen ( wdir, L"r, ccs=UTF-8" );
 223     if( fd )
 224     {
 225         fclose( fd );
 226         int answer = MessageBox( NULL, L"VLC media player just crashed." \
 227         " Do you want to send a bug report to the developers team?",
 228         L"VLC crash reporting", MB_YESNO);
 229
 230         if(answer == IDYES)
 231         {
 232             HINTERNET Hint = InternetOpen(L"VLC Crash Reporter", INTERNET_OPEN_TYPE_PRECONFIG, NULL,NULL,0);
 233             if(Hint)
 234             {
 235                 HINTERNET ftp = InternetConnect(Hint, L"crash.videolan.org", INTERNET_DEFAULT_FTP_PORT,
 236                                                 NULL, NULL, INTERNET_SERVICE_FTP, 0, 0);
 237                 if(ftp)
 238                 {
 239                     SYSTEMTIME now;
 240                     GetSystemTime(&now);
 241                     wchar_t remote_file[MAX_PATH];
 242                     swprintf( remote_file, L"/crashs/%04d%02d%02d%02d%02d%02d",now.wYear,
 243                             now.wMonth, now.wDay, now.wHour, now.wMinute, now.wSecond  );
 244
 245                     FtpPutFile( ftp, wdir, remote_file, FTP_TRANSFER_TYPE_BINARY, 0);
 246                     InternetCloseHandle(ftp);
 247                 }
 248                 else
 249                     fprintf(stderr,"Can't connect to FTP server%d\n",GetLastError());
 250                 InternetCloseHandle(Hint);
 251             }
 252         }
 253
 254         _wremove(wdir);
 255     }
 256     free((void *)wdir);
 257 }
 258
 259 /*****************************************************************************
 260  * vlc_exception_filter: handles unhandled exceptions, like segfaults
 261  *****************************************************************************/
 262 LONG WINAPI vlc_exception_filter(struct _EXCEPTION_POINTERS *lpExceptionInfo)
 263 {
 264     if(IsDebuggerPresent())
 265     {
 266         //If a debugger is present, pass the exception to the debugger with EXCEPTION_CONTINUE_SEARCH
 267         return EXCEPTION_CONTINUE_SEARCH;
 268     }
 269     else
 270     {
 271         fprintf( stderr, "unhandled vlc exception\n" );
 272
 273         wchar_t * wdir = (wchar_t *)malloc(sizeof(wchar_t)*MAX_PATH);
 274         get_crashdump_path(wdir);
 275         FILE * fd = _wfopen ( wdir, L"w, ccs=UTF-8" );
 276         free((void *)wdir);
 277
 278         if( !fd )
 279         {
 280             fprintf( stderr, "\nerror while opening file" );
 281             exit( 1 );
 282         }
 283
 284         OSVERSIONINFO osvi;
 285         ZeroMemory( &osvi, sizeof(OSVERSIONINFO) );
 286         osvi.dwOSVersionInfoSize = sizeof( OSVERSIONINFO );
 287         GetVersionEx( &osvi );
 288
 289         fwprintf( fd, L"[version]\nOS=%d.%d.%d.%d.%s\nVLC=" VERSION_MESSAGE, osvi.dwMajorVersion,
 290                                                                osvi.dwMinorVersion,
 291                                                                osvi.dwBuildNumber,
 292                                                                osvi.dwPlatformId,
 293                                                                osvi.szCSDVersion);
 294
 295         const CONTEXT *const pContext = (const CONTEXT *)lpExceptionInfo->ContextRecord;
 296         const EXCEPTION_RECORD *const pException = (const EXCEPTION_RECORD *)lpExceptionInfo->ExceptionRecord;
 297         /*No nested exceptions for now*/
 298         fwprintf( fd, L"\n\n[exceptions]\n%08x at %08x",pException->ExceptionCode,
 299                                                 pException->ExceptionAddress );
 300         if( pException->NumberParameters > 0 )
 301         {
 302             unsigned int i;
 303             for( i = 0; i < pException->NumberParameters; i++ )
 304                 fprintf( fd, " | %08x", pException->ExceptionInformation[i] );
 305         }
 306
 307         fwprintf( fd, L"\n\n[context]\nEDI:%08x\nESI:%08x\n" \
 308                     "EBX:%08x\nEDX:%08x\nECX:%08x\nEAX:%08x\n" \
 309                     "EBP:%08x\nEIP:%08x\nESP:%08x\n",
 310                         pContext->Edi,pContext->Esi,pContext->Ebx,
 311                         pContext->Edx,pContext->Ecx,pContext->Eax,
 312                         pContext->Ebp,pContext->Eip,pContext->Esp );
 313
 314         fwprintf( fd, L"\n[stacktrace]\n#EIP|base|module\n" );
 315
 316         wchar_t module[ 256 ];
 317         MEMORY_BASIC_INFORMATION mbi ;
 318         VirtualQuery( (DWORD *)pContext->Eip, &mbi, sizeof( mbi ) ) ;
 319         HINSTANCE hInstance = mbi.AllocationBase;
 320         GetModuleFileName( hInstance, module, 256 ) ;
 321         fwprintf( fd, L"%08x|%s\n", pContext->Eip, module );
 322
 323         DWORD pEbp = pContext->Ebp;
 324         DWORD caller = *((DWORD*)pEbp + 1);
 325
 326         do
 327         {
 328             VirtualQuery( (DWORD *)caller, &mbi, sizeof( mbi ) ) ;
 329             HINSTANCE hInstance = mbi.AllocationBase;
 330             GetModuleFileName( hInstance, module, 256 ) ;
 331             fwprintf( fd, L"%08x|%s\n", caller, module );
 332             pEbp = *(DWORD*)pEbp ;
 333             caller = *((DWORD*)pEbp + 1) ;
 334             /*The last EBP points to NULL!*/
 335         }while(caller);
 336
 337         fclose( fd );
 338         fflush( stderr );
 339         exit( 1 );
 340     }
 341 }
 342 #endif