bin/winvlc.c

   1 /*****************************************************************************
   2  * winvlc.c: the Windows VLC media player
   3  *****************************************************************************
   4  * Copyright (C) 1998-2011 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 <windows.h>
  34
  35 #if !defined(UNDER_CE)
  36 # ifndef _WIN32_IE
  37 #   define  _WIN32_IE 0x501
  38 # endif
  39 # include <shlobj.h>
  40 # include <wininet.h>
  41 # define HeapEnableTerminationOnCorruption (HEAP_INFORMATION_CLASS)1
  42 # ifndef _WIN64
  43 static void check_crashdump(void);
  44 LONG WINAPI vlc_exception_filter(struct _EXCEPTION_POINTERS *lpExceptionInfo);
  45 # endif
  46 #endif
  47
  48 #ifndef UNDER_CE
  49 static char *FromWide (const wchar_t *wide)
  50 {
  51     size_t len;
  52     len = WideCharToMultiByte (CP_UTF8, 0, wide, -1, NULL, 0, NULL, NULL);
  53
  54     char *out = (char *)malloc (len);
  55     if (out)
  56         WideCharToMultiByte (CP_UTF8, 0, wide, -1, out, len, NULL, NULL);
  57     return out;
  58 }
  59 #else
  60 static int parse_cmdline (char *line, char ***argvp)
  61 {
  62     char **argv = malloc (sizeof (char *));
  63     int argc = 0;
  64
  65     while (*line != '\0')
  66     {
  67         char quote = 0;
  68
  69         /* Skips white spaces */
  70         while (strchr ("\t ", *line))
  71             line++;
  72         if (!*line)
  73             break;
  74
  75         /* Starts a new parameter */
  76         argv = realloc (argv, (argc + 2) * sizeof (char *));
  77         if (*line == '"')
  78         {
  79             quote = '"';
  80             line++;
  81         }
  82         argv[argc++] = line;
  83
  84     more:
  85             while (*line && !strchr ("\t ", *line))
  86             line++;
  87
  88     if (line > argv[argc - 1] && line[-1] == quote)
  89         /* End of quoted parameter */
  90         line[-1] = 0;
  91     else
  92         if (*line && quote)
  93     {
  94         /* Space within a quote */
  95         line++;
  96         goto more;
  97     }
  98     else
  99         /* End of unquoted parameter */
 100         if (*line)
 101             *line++ = 0;
 102     }
 103     argv[argc] = NULL;
 104     *argvp = argv;
 105     return argc;
 106 }
 107 #endif
 108
 109 int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance,
 110 #ifndef UNDER_CE
 111                     LPSTR lpCmdLine,
 112 #else
 113                     LPWSTR lpCmdLine,
 114 #endif
 115                     int nCmdShow )
 116 {
 117     int argc;
 118
 119 #ifndef UNDER_CE
 120 #ifdef TOP_BUILDDIR
 121     putenv("VLC_PLUGIN_PATH=Z:"TOP_BUILDDIR"/modules");
 122 #endif
 123
 124     HeapSetInformation(NULL, HeapEnableTerminationOnCorruption, NULL, 0);
 125
 126     /* SetProcessDEPPolicy */
 127     HINSTANCE h_Kernel32 = LoadLibraryW(L"kernel32.dll");
 128     if(h_Kernel32)
 129     {
 130         BOOL (WINAPI * mySetProcessDEPPolicy)( DWORD dwFlags);
 131         BOOL (WINAPI * mySetDllDirectoryA)(const char* lpPathName);
 132 # define PROCESS_DEP_ENABLE 1
 133
 134         mySetProcessDEPPolicy = (BOOL WINAPI (*)(DWORD))
 135                             GetProcAddress(h_Kernel32, "SetProcessDEPPolicy");
 136         if(mySetProcessDEPPolicy)
 137             mySetProcessDEPPolicy(PROCESS_DEP_ENABLE);
 138
 139         /* Do NOT load any library from cwd. */
 140         mySetDllDirectoryA = (BOOL WINAPI (*)(const char*)) GetProcAddress(h_Kernel32, "SetDllDirectoryA");
 141         if(mySetDllDirectoryA)
 142             mySetDllDirectoryA("");
 143
 144         FreeLibrary(h_Kernel32);
 145     }
 146
 147     /* Args */
 148     wchar_t **wargv = CommandLineToArgvW (GetCommandLine (), &argc);
 149     if (wargv == NULL)
 150         return 1;
 151
 152     char *argv[argc + 3];
 153     BOOL crash_handling = TRUE;
 154     int j = 0;
 155
 156     argv[j++] = FromWide( L"--media-library" );
 157     argv[j++] = FromWide( L"--no-ignore-config" );
 158 #ifdef TOP_SRCDIR
 159     argv[j++] = FromWide (L"--data-path=Z:"TOP_SRCDIR"/share");
 160 #endif
 161     for (int i = 1; i < argc; i++)
 162     {
 163         if(!wcscmp(wargv[i], L"--no-crashdump"))
 164         {
 165             crash_handling = FALSE;
 166             continue; /* don't give argument to libvlc */
 167         }
 168
 169         argv[j++] = FromWide (wargv[i]);
 170     }
 171
 172     argc = j;
 173     argv[argc] = NULL;
 174     LocalFree (wargv);
 175
 176 # ifndef _WIN64
 177     /* We don't know how to manage crashes on Win64 yet */
 178     if(crash_handling)
 179     {
 180         check_crashdump();
 181         SetUnhandledExceptionFilter(vlc_exception_filter);
 182     }
 183 # endif
 184
 185 #else /* UNDER_CE */
 186     char **argv, psz_cmdline[wcslen(lpCmdLine) * 4];
 187
 188     WideCharToMultiByte( CP_UTF8, 0, lpCmdLine, -1,
 189                          psz_cmdline, sizeof (psz_cmdline), NULL, NULL );
 190
 191     argc = parse_cmdline (psz_cmdline, &argv);
 192 #endif
 193
 194     /* Initialize libvlc */
 195     libvlc_instance_t *vlc;
 196     vlc = libvlc_new (argc, (const char **)argv);
 197     if (vlc != NULL)
 198     {
 199         libvlc_add_intf (vlc, "globalhotkeys,none");
 200         libvlc_add_intf (vlc, NULL);
 201         libvlc_playlist_play (vlc, -1, 0, NULL);
 202         libvlc_wait (vlc);
 203         libvlc_release (vlc);
 204     }
 205
 206     for (int i = 0; i < argc; i++)
 207         free (argv[i]);
 208
 209     (void)hInstance; (void)hPrevInstance; (void)lpCmdLine; (void)nCmdShow;
 210     return 0;
 211 }
 212
 213 #if !defined( UNDER_CE ) && !defined( _WIN64 )
 214 /* Crashdumps handling */
 215 static void get_crashdump_path(wchar_t * wdir)
 216 {
 217     if( S_OK != SHGetFolderPathW( NULL,
 218                         CSIDL_APPDATA | CSIDL_FLAG_CREATE,
 219                         NULL, SHGFP_TYPE_CURRENT, wdir ) )
 220         fprintf( stderr, "Can't open the vlc conf PATH\n" );
 221
 222     swprintf( wdir+wcslen( wdir ), L"%s", L"\\vlc\\crashdump" );
 223 }
 224
 225 static void check_crashdump()
 226 {
 227     wchar_t * wdir = (wchar_t *)malloc(sizeof(wchar_t)*MAX_PATH);
 228     get_crashdump_path(wdir);
 229
 230     FILE * fd = _wfopen ( wdir, L"r, ccs=UTF-8" );
 231     if( fd )
 232     {
 233         fclose( fd );
 234         int answer = MessageBox( NULL, L"VLC media player just crashed." \
 235         " Do you want to send a bug report to the developers team?",
 236         L"VLC crash reporting", MB_YESNO);
 237
 238         if(answer == IDYES)
 239         {
 240             HINTERNET Hint = InternetOpen(L"VLC Crash Reporter", INTERNET_OPEN_TYPE_PRECONFIG, NULL,NULL,0);
 241             if(Hint)
 242             {
 243                 HINTERNET ftp = InternetConnect(Hint, L"crash.videolan.org", INTERNET_DEFAULT_FTP_PORT,
 244                                                 NULL, NULL, INTERNET_SERVICE_FTP, 0, 0);
 245                 if(ftp)
 246                 {
 247                     SYSTEMTIME now;
 248                     GetSystemTime(&now);
 249                     wchar_t remote_file[MAX_PATH];
 250                     swprintf( remote_file, L"/crashs/%04d%02d%02d%02d%02d%02d",now.wYear,
 251                             now.wMonth, now.wDay, now.wHour, now.wMinute, now.wSecond  );
 252
 253                     if( FtpPutFile( ftp, wdir, remote_file, FTP_TRANSFER_TYPE_BINARY, 0) )
 254                         MessageBox( NULL, L"Report sent correctly. Thanks a lot for the help.",
 255                                     L"Report sent", MB_OK);
 256                     else
 257                         MessageBox( NULL, L"There was an error while transferring to the FTP server. "\
 258                                     "Thanks a lot for the help anyway.",
 259                                     L"Report sending failed", MB_OK);
 260                     InternetCloseHandle(ftp);
 261                 }
 262                 else
 263                 {
 264                     MessageBox( NULL, L"There was an error while connecting to the FTP server. "\
 265                                     "Thanks a lot for the help anyway.",
 266                                     L"Report sending failed", MB_OK);
 267                     fprintf(stderr,"Can't connect to FTP server 0x%08lu\n",
 268                             (unsigned long)GetLastError());
 269                 }
 270                 InternetCloseHandle(Hint);
 271             }
 272             else
 273             {
 274                   MessageBox( NULL, L"There was an error while connecting to Internet. "\
 275                                     "Thanks a lot for the help anyway.",
 276                                     L"Report sending failed", MB_OK);
 277             }
 278         }
 279
 280         _wremove(wdir);
 281     }
 282     free((void *)wdir);
 283 }
 284
 285 /*****************************************************************************
 286  * vlc_exception_filter: handles unhandled exceptions, like segfaults
 287  *****************************************************************************/
 288 LONG WINAPI vlc_exception_filter(struct _EXCEPTION_POINTERS *lpExceptionInfo)
 289 {
 290     if(IsDebuggerPresent())
 291     {
 292         //If a debugger is present, pass the exception to the debugger with EXCEPTION_CONTINUE_SEARCH
 293         return EXCEPTION_CONTINUE_SEARCH;
 294     }
 295     else
 296     {
 297         fprintf( stderr, "unhandled vlc exception\n" );
 298
 299         wchar_t * wdir = (wchar_t *)malloc(sizeof(wchar_t)*MAX_PATH);
 300         get_crashdump_path(wdir);
 301         FILE * fd = _wfopen ( wdir, L"w, ccs=UTF-8" );
 302         free((void *)wdir);
 303
 304         if( !fd )
 305         {
 306             fprintf( stderr, "\nerror while opening file" );
 307             exit( 1 );
 308         }
 309
 310         OSVERSIONINFO osvi;
 311         ZeroMemory( &osvi, sizeof(OSVERSIONINFO) );
 312         osvi.dwOSVersionInfoSize = sizeof( OSVERSIONINFO );
 313         GetVersionEx( &osvi );
 314
 315         fwprintf( fd, L"[version]\nOS=%d.%d.%d.%d.%s\nVLC=" VERSION_MESSAGE, osvi.dwMajorVersion,
 316                                                                osvi.dwMinorVersion,
 317                                                                osvi.dwBuildNumber,
 318                                                                osvi.dwPlatformId,
 319                                                                osvi.szCSDVersion);
 320
 321         const CONTEXT *const pContext = (const CONTEXT *)lpExceptionInfo->ContextRecord;
 322         const EXCEPTION_RECORD *const pException = (const EXCEPTION_RECORD *)lpExceptionInfo->ExceptionRecord;
 323         /*No nested exceptions for now*/
 324         fwprintf( fd, L"\n\n[exceptions]\n%08x at %08x",pException->ExceptionCode,
 325                                                 pException->ExceptionAddress );
 326         if( pException->NumberParameters > 0 )
 327         {
 328             unsigned int i;
 329             for( i = 0; i < pException->NumberParameters; i++ )
 330                 fwprintf( fd, L" | %08x", pException->ExceptionInformation[i] );
 331         }
 332
 333         fwprintf( fd, L"\n\n[context]\nEDI:%08x\nESI:%08x\n" \
 334                     "EBX:%08x\nEDX:%08x\nECX:%08x\nEAX:%08x\n" \
 335                     "EBP:%08x\nEIP:%08x\nESP:%08x\n",
 336                         pContext->Edi,pContext->Esi,pContext->Ebx,
 337                         pContext->Edx,pContext->Ecx,pContext->Eax,
 338                         pContext->Ebp,pContext->Eip,pContext->Esp );
 339
 340         fwprintf( fd, L"\n[stacktrace]\n#EIP|base|module\n" );
 341
 342         wchar_t module[ 256 ];
 343         MEMORY_BASIC_INFORMATION mbi ;
 344         VirtualQuery( (DWORD *)pContext->Eip, &mbi, sizeof( mbi ) ) ;
 345         HINSTANCE hInstance = mbi.AllocationBase;
 346         GetModuleFileName( hInstance, module, 256 ) ;
 347         fwprintf( fd, L"%08x|%s\n", pContext->Eip, module );
 348
 349         DWORD pEbp = pContext->Ebp;
 350         DWORD caller = *((DWORD*)pEbp + 1);
 351
 352         unsigned i_line = 0;
 353         do
 354         {
 355             VirtualQuery( (DWORD *)caller, &mbi, sizeof( mbi ) ) ;
 356             HINSTANCE hInstance = mbi.AllocationBase;
 357             GetModuleFileName( hInstance, module, 256 ) ;
 358             fwprintf( fd, L"%08x|%s\n", caller, module );
 359             pEbp = *(DWORD*)pEbp ;
 360             caller = *((DWORD*)pEbp + 1) ;
 361             i_line++;
 362             /*The last EBP points to NULL!*/
 363         }while(caller && i_line< 100);
 364
 365         fclose( fd );
 366         fflush( stderr );
 367         exit( 1 );
 368     }
 369 }
 370 #endif