git.sesse.net Git - vlc/blob - 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 static void check_crashdump(void);
  43 LONG WINAPI vlc_exception_filter(struct _EXCEPTION_POINTERS *lpExceptionInfo);
  44 #endif
  45
  46 #ifndef UNDER_CE
  47 static char *FromWide (const wchar_t *wide)
  48 {
  49     size_t len;
  50     len = WideCharToMultiByte (CP_UTF8, 0, wide, -1, NULL, 0, NULL, NULL);
  51
  52     char *out = (char *)malloc (len);
  53     if (out)
  54         WideCharToMultiByte (CP_UTF8, 0, wide, -1, out, len, NULL, NULL);
  55     return out;
  56 }
  57 #else
  58 static int parse_cmdline (char *line, char ***argvp)
  59 {
  60     char **argv = malloc (sizeof (char *));
  61     int argc = 0;
  62
  63     while (*line != '\0')
  64     {
  65         char quote = 0;
  66
  67         /* Skips white spaces */
  68         while (strchr ("\t ", *line))
  69             line++;
  70         if (!*line)
  71             break;
  72
  73         /* Starts a new parameter */
  74         argv = realloc (argv, (argc + 2) * sizeof (char *));
  75         if (*line == '"')
  76         {
  77             quote = '"';
  78             line++;
  79         }
  80         argv[argc++] = line;
  81
  82     more:
  83             while (*line && !strchr ("\t ", *line))
  84             line++;
  85
  86     if (line > argv[argc - 1] && line[-1] == quote)
  87         /* End of quoted parameter */
  88         line[-1] = 0;
  89     else
  90         if (*line && quote)
  91     {
  92         /* Space within a quote */
  93         line++;
  94         goto more;
  95     }
  96     else
  97         /* End of unquoted parameter */
  98         if (*line)
  99             *line++ = 0;
 100     }
 101     argv[argc] = NULL;
 102     *argvp = argv;
 103     return argc;
 104 }
 105 #endif
 106
 107 int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance,
 108 #ifndef UNDER_CE
 109                     LPSTR lpCmdLine,
 110 #else
 111                     LPWSTR lpCmdLine,
 112 #endif
 113                     int nCmdShow )
 114 {
 115     int argc;
 116
 117 #ifndef UNDER_CE
 118 #ifdef TOP_BUILDDIR
 119     putenv("VLC_PLUGIN_PATH=Z:"TOP_BUILDDIR"/modules");
 120 #endif
 121
 122     HeapSetInformation(NULL, HeapEnableTerminationOnCorruption, NULL, 0);
 123
 124     /* SetProcessDEPPolicy */
 125     HINSTANCE h_Kernel32 = LoadLibraryW(L"kernel32.dll");
 126     if(h_Kernel32)
 127     {
 128         BOOL (WINAPI * mySetProcessDEPPolicy)( DWORD dwFlags);
 129         BOOL (WINAPI * mySetDllDirectoryA)(const char* lpPathName);
 130 # define PROCESS_DEP_ENABLE 1
 131
 132         mySetProcessDEPPolicy = (BOOL WINAPI (*)(DWORD))
 133                             GetProcAddress(h_Kernel32, "SetProcessDEPPolicy");
 134         if(mySetProcessDEPPolicy)
 135             mySetProcessDEPPolicy(PROCESS_DEP_ENABLE);
 136
 137         /* Do NOT load any library from cwd. */
 138         mySetDllDirectoryA = (BOOL WINAPI (*)(const char*)) GetProcAddress(h_Kernel32, "SetDllDirectoryA");
 139         if(mySetDllDirectoryA)
 140             mySetDllDirectoryA("");
 141
 142         FreeLibrary(h_Kernel32);
 143     }
 144
 145     /* Args */
 146     wchar_t **wargv = CommandLineToArgvW (GetCommandLine (), &argc);
 147     if (wargv == NULL)
 148         return 1;
 149
 150     char *argv[argc + 3];
 151     BOOL crash_handling = TRUE;
 152     int j = 0;
 153
 154     argv[j++] = FromWide( L"--media-library" );
 155     argv[j++] = FromWide( L"--no-ignore-config" );
 156 #ifdef TOP_SRCDIR
 157     argv[j++] = FromWide (L"--data-path=Z:"TOP_SRCDIR"/share");
 158 #endif
 159     for (int i = 1; i < argc; i++)
 160     {
 161         if(!wcscmp(wargv[i], L"--no-crashdump"))
 162         {
 163             crash_handling = FALSE;
 164             continue; /* don't give argument to libvlc */
 165         }
 166
 167         argv[j++] = FromWide (wargv[i]);
 168     }
 169
 170     argc = j;
 171     argv[argc] = NULL;
 172     LocalFree (wargv);
 173
 174     if(crash_handling)
 175     {
 176         check_crashdump();
 177         SetUnhandledExceptionFilter(vlc_exception_filter);
 178     }
 179
 180 #else /* UNDER_CE */
 181     char **argv, psz_cmdline[wcslen(lpCmdLine) * 4];
 182
 183     WideCharToMultiByte( CP_UTF8, 0, lpCmdLine, -1,
 184                          psz_cmdline, sizeof (psz_cmdline), NULL, NULL );
 185
 186     argc = parse_cmdline (psz_cmdline, &argv);
 187 #endif
 188
 189     /* Initialize libvlc */
 190     libvlc_instance_t *vlc;
 191     vlc = libvlc_new (argc, (const char **)argv);
 192     if (vlc != NULL)
 193     {
 194         libvlc_add_intf (vlc, "globalhotkeys,none");
 195         libvlc_add_intf (vlc, NULL);
 196         libvlc_playlist_play (vlc, -1, 0, NULL);
 197         libvlc_wait (vlc);
 198         libvlc_release (vlc);
 199     }
 200
 201     for (int i = 0; i < argc; i++)
 202         free (argv[i]);
 203
 204     (void)hInstance; (void)hPrevInstance; (void)lpCmdLine; (void)nCmdShow;
 205     return 0;
 206 }
 207
 208 #if !defined( UNDER_CE )
 209 /* Crashdumps handling */
 210 static void get_crashdump_path(wchar_t * wdir)
 211 {
 212     if( S_OK != SHGetFolderPathW( NULL,
 213                         CSIDL_APPDATA | CSIDL_FLAG_CREATE,
 214                         NULL, SHGFP_TYPE_CURRENT, wdir ) )
 215         fprintf( stderr, "Can't open the vlc conf PATH\n" );
 216
 217     swprintf( wdir+wcslen( wdir ), L"%s", L"\\vlc\\crashdump" );
 218 }
 219
 220 static void check_crashdump()
 221 {
 222     wchar_t * wdir = (wchar_t *)malloc(sizeof(wchar_t)*MAX_PATH);
 223     get_crashdump_path(wdir);
 224
 225     FILE * fd = _wfopen ( wdir, L"r, ccs=UTF-8" );
 226     if( fd )
 227     {
 228         fclose( fd );
 229         int answer = MessageBox( NULL, L"VLC media player just crashed." \
 230         " Do you want to send a bug report to the developers team?",
 231         L"VLC crash reporting", MB_YESNO);
 232
 233         if(answer == IDYES)
 234         {
 235             HINTERNET Hint = InternetOpen(L"VLC Crash Reporter", INTERNET_OPEN_TYPE_PRECONFIG, NULL,NULL,0);
 236             if(Hint)
 237             {
 238                 HINTERNET ftp = InternetConnect(Hint, L"crash.videolan.org", INTERNET_DEFAULT_FTP_PORT,
 239                                                 NULL, NULL, INTERNET_SERVICE_FTP, 0, 0);
 240                 if(ftp)
 241                 {
 242                     SYSTEMTIME now;
 243                     GetSystemTime(&now);
 244                     wchar_t remote_file[MAX_PATH];
 245                     swprintf( remote_file, L"/crashs/%04d%02d%02d%02d%02d%02d",now.wYear,
 246                             now.wMonth, now.wDay, now.wHour, now.wMinute, now.wSecond  );
 247
 248                     if( FtpPutFile( ftp, wdir, remote_file, FTP_TRANSFER_TYPE_BINARY, 0) )
 249                         MessageBox( NULL, L"Report sent correctly. Thanks a lot for the help.",
 250                                     L"Report sent", MB_OK);
 251                     else
 252                         MessageBox( NULL, L"There was an error while transferring to the FTP server. "\
 253                                     "Thanks a lot for the help anyway.",
 254                                     L"Report sending failed", MB_OK);
 255                     InternetCloseHandle(ftp);
 256                 }
 257                 else
 258                 {
 259                     MessageBox( NULL, L"There was an error while connecting to the FTP server. "\
 260                                     "Thanks a lot for the help anyway.",
 261                                     L"Report sending failed", MB_OK);
 262                     fprintf(stderr,"Can't connect to FTP server 0x%08lu\n",
 263                             (unsigned long)GetLastError());
 264                 }
 265                 InternetCloseHandle(Hint);
 266             }
 267             else
 268             {
 269                   MessageBox( NULL, L"There was an error while connecting to Internet. "\
 270                                     "Thanks a lot for the help anyway.",
 271                                     L"Report sending failed", MB_OK);
 272             }
 273         }
 274
 275         _wremove(wdir);
 276     }
 277     free((void *)wdir);
 278 }
 279
 280 /*****************************************************************************
 281  * vlc_exception_filter: handles unhandled exceptions, like segfaults
 282  *****************************************************************************/
 283 LONG WINAPI vlc_exception_filter(struct _EXCEPTION_POINTERS *lpExceptionInfo)
 284 {
 285     if(IsDebuggerPresent())
 286     {
 287         //If a debugger is present, pass the exception to the debugger with EXCEPTION_CONTINUE_SEARCH
 288         return EXCEPTION_CONTINUE_SEARCH;
 289     }
 290     else
 291     {
 292         fprintf( stderr, "unhandled vlc exception\n" );
 293
 294         wchar_t * wdir = (wchar_t *)malloc(sizeof(wchar_t)*MAX_PATH);
 295         get_crashdump_path(wdir);
 296         FILE * fd = _wfopen ( wdir, L"w, ccs=UTF-8" );
 297         free((void *)wdir);
 298
 299         if( !fd )
 300         {
 301             fprintf( stderr, "\nerror while opening file" );
 302             exit( 1 );
 303         }
 304
 305         OSVERSIONINFO osvi;
 306         ZeroMemory( &osvi, sizeof(OSVERSIONINFO) );
 307         osvi.dwOSVersionInfoSize = sizeof( OSVERSIONINFO );
 308         GetVersionEx( &osvi );
 309
 310         fwprintf( fd, L"[version]\nOS=%d.%d.%d.%d.%s\nVLC=" VERSION_MESSAGE, osvi.dwMajorVersion,
 311                                                                osvi.dwMinorVersion,
 312                                                                osvi.dwBuildNumber,
 313                                                                osvi.dwPlatformId,
 314                                                                osvi.szCSDVersion);
 315
 316         const CONTEXT *const pContext = (const CONTEXT *)lpExceptionInfo->ContextRecord;
 317         const EXCEPTION_RECORD *const pException = (const EXCEPTION_RECORD *)lpExceptionInfo->ExceptionRecord;
 318         /*No nested exceptions for now*/
 319         fwprintf( fd, L"\n\n[exceptions]\n%08x at %px",pException->ExceptionCode,
 320                                                 pException->ExceptionAddress );
 321
 322         for( unsigned int i = 0; i < pException->NumberParameters; i++ )
 323             fwprintf( fd, L" | %p", pException->ExceptionInformation[i] );
 324
 325 #ifdef WIN64
 326         fwprintf( fd, L"\n\n[context]\nRDI:%px\nRSI:%px\n" \
 327                     "RBX:%px\nRDX:%px\nRCX:%px\nRAX:%px\n" \
 328                     "RBP:%px\nRIP:%px\nRSP:%px\nR8:%px\n" \
 329                     "R9:%px\nR10:%px\nR11:%px\nR12:%px\n" \
 330                     "R13:%px\nR14:%px\nR15:%px\n",
 331                         pContext->Rdi,pContext->Rsi,pContext->Rbx,
 332                         pContext->Rdx,pContext->Rcx,pContext->Rax,
 333                         pContext->Rbp,pContext->Rip,pContext->Rsp,
 334                         pContext->R8,pContext->R9,pContext->R10,
 335                         pContext->R11,pContext->R12,pContext->R13,
 336                         pContext->R14,pContext->R15 );
 337 #else
 338         fwprintf( fd, L"\n\n[context]\nEDI:%px\nESI:%px\n" \
 339                     "EBX:%px\nEDX:%px\nECX:%px\nEAX:%px\n" \
 340                     "EBP:%px\nEIP:%px\nESP:%px\n",
 341                         pContext->Edi,pContext->Esi,pContext->Ebx,
 342                         pContext->Edx,pContext->Ecx,pContext->Eax,
 343                         pContext->Ebp,pContext->Eip,pContext->Esp );
 344 #endif
 345
 346         fwprintf( fd, L"\n[stacktrace]\n#EIP|base|module\n" );
 347
 348 #ifdef WIN64
 349         LPCVOID caller = (LPCVOID)pContext->Rip;
 350         LPVOID *pBase  = (LPVOID*)pContext->Rbp;
 351 #else
 352         LPVOID *pBase  = (LPVOID*)pContext->Ebp;
 353         LPCVOID caller = (LPCVOID)pContext->Eip;
 354 #endif
 355         for( unsigned frame = 0; frame <= 100; frame++ )
 356         {
 357             MEMORY_BASIC_INFORMATION mbi;
 358             wchar_t module[ 256 ];
 359             VirtualQuery( caller, &mbi, sizeof( mbi ) ) ;
 360             GetModuleFileName( mbi.AllocationBase, module, 256 );
 361             fwprintf( fd, L"%p|%s\n", caller, module );
 362
 363             /*The last BP points to NULL!*/
 364             caller = *(pBase + 1);
 365             if( !caller )
 366                 break;
 367             pBase = *pBase;
 368         }
 369
 370         fclose( fd );
 371         fflush( stderr );
 372         exit( 1 );
 373     }
 374 }
 375 #endif