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 #include <shellapi.h>
  35
  36 #if !defined(UNDER_CE)
  37 # ifndef _WIN32_IE
  38 #   define  _WIN32_IE 0x501
  39 # endif
  40 # include <fcntl.h>
  41 # include <io.h>
  42 # include <shlobj.h>
  43 # include <wininet.h>
  44 # define PSAPI_VERSION 1
  45 # include <psapi.h>
  46 # define HeapEnableTerminationOnCorruption (HEAP_INFORMATION_CLASS)1
  47 static void check_crashdump(void);
  48 LONG WINAPI vlc_exception_filter(struct _EXCEPTION_POINTERS *lpExceptionInfo);
  49 static const wchar_t *crashdump_path;
  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
 123 #ifndef UNDER_CE
 124 #ifdef TOP_BUILDDIR
 125     putenv("VLC_PLUGIN_PATH=Z:"TOP_BUILDDIR"/modules");
 126     putenv("VLC_DATA_PATH=Z:"TOP_SRCDIR"/share");
 127 #endif
 128
 129     HeapSetInformation(NULL, HeapEnableTerminationOnCorruption, NULL, 0);
 130
 131     /* SetProcessDEPPolicy */
 132     HINSTANCE h_Kernel32 = LoadLibraryW(L"kernel32.dll");
 133     if(h_Kernel32)
 134     {
 135         BOOL (WINAPI * mySetProcessDEPPolicy)( DWORD dwFlags);
 136         BOOL (WINAPI * mySetDllDirectoryA)(const char* lpPathName);
 137 # define PROCESS_DEP_ENABLE 1
 138
 139         mySetProcessDEPPolicy = (BOOL WINAPI (*)(DWORD))
 140                             GetProcAddress(h_Kernel32, "SetProcessDEPPolicy");
 141         if(mySetProcessDEPPolicy)
 142             mySetProcessDEPPolicy(PROCESS_DEP_ENABLE);
 143
 144         /* Do NOT load any library from cwd. */
 145         mySetDllDirectoryA = (BOOL WINAPI (*)(const char*))
 146                             GetProcAddress(h_Kernel32, "SetDllDirectoryA");
 147         if(mySetDllDirectoryA)
 148             mySetDllDirectoryA("");
 149
 150         FreeLibrary(h_Kernel32);
 151     }
 152
 153     /* Args */
 154     wchar_t **wargv = CommandLineToArgvW (GetCommandLine (), &argc);
 155     if (wargv == NULL)
 156         return 1;
 157
 158     char *argv[argc + 3];
 159     BOOL crash_handling = TRUE;
 160     int j = 0;
 161
 162     argv[j++] = FromWide( L"--media-library" );
 163     argv[j++] = FromWide( L"--no-ignore-config" );
 164     for (int i = 1; i < argc; i++)
 165     {
 166         if(!wcscmp(wargv[i], L"--no-crashdump"))
 167         {
 168             crash_handling = FALSE;
 169             continue; /* don't give argument to libvlc */
 170         }
 171
 172         argv[j++] = FromWide (wargv[i]);
 173     }
 174
 175     argc = j;
 176     argv[argc] = NULL;
 177     LocalFree (wargv);
 178
 179     if(crash_handling)
 180     {
 181         static wchar_t path[MAX_PATH];
 182         if( S_OK != SHGetFolderPathW( NULL, CSIDL_APPDATA | CSIDL_FLAG_CREATE,
 183                     NULL, SHGFP_TYPE_CURRENT, path ) )
 184             fprintf( stderr, "Can't open the vlc conf PATH\n" );
 185         swprintf( path+wcslen( path ), L"%s", L"\\vlc\\crashdump" );
 186         crashdump_path = &path[0];
 187
 188         check_crashdump();
 189         SetUnhandledExceptionFilter(vlc_exception_filter);
 190     }
 191
 192     _setmode( _fileno( stdin ), _O_BINARY ); /* Needed for pipes */
 193
 194 #else /* UNDER_CE */
 195     char **argv, psz_cmdline[wcslen(lpCmdLine) * 4];
 196
 197     WideCharToMultiByte( CP_UTF8, 0, lpCmdLine, -1,
 198                          psz_cmdline, sizeof (psz_cmdline), NULL, NULL );
 199
 200     argc = parse_cmdline (psz_cmdline, &argv);
 201 #endif
 202
 203     /* Initialize libvlc */
 204     libvlc_instance_t *vlc;
 205     vlc = libvlc_new (argc, (const char **)argv);
 206     if (vlc != NULL)
 207     {
 208         libvlc_set_user_agent (vlc, "VLC media player", "VLC/"PACKAGE_VERSION);
 209         libvlc_add_intf (vlc, "globalhotkeys,none");
 210         libvlc_add_intf (vlc, NULL);
 211         libvlc_playlist_play (vlc, -1, 0, NULL);
 212         libvlc_wait (vlc);
 213         libvlc_release (vlc);
 214     }
 215
 216     for (int i = 0; i < argc; i++)
 217         free (argv[i]);
 218
 219     (void)hInstance; (void)hPrevInstance; (void)lpCmdLine; (void)nCmdShow;
 220     return 0;
 221 }
 222
 223 #if !defined( UNDER_CE )
 224 /* Crashdumps handling */
 225 static void check_crashdump(void)
 226 {
 227     FILE * fd = _wfopen ( crashdump_path, L"r, ccs=UTF-8" );
 228     if( !fd )
 229         return;
 230     fclose( fd );
 231
 232     int answer = MessageBox( NULL, L"VLC media player just crashed." \
 233     " Do you want to send a bug report to the developers team?",
 234     L"VLC crash reporting", MB_YESNO);
 235
 236     if(answer == IDYES)
 237     {
 238         HINTERNET Hint = InternetOpen(L"VLC Crash Reporter",
 239                 INTERNET_OPEN_TYPE_PRECONFIG, NULL,NULL,0);
 240         if(Hint)
 241         {
 242             HINTERNET ftp = InternetConnect(Hint, L"crash.videolan.org",
 243                         INTERNET_DEFAULT_FTP_PORT, NULL, NULL,
 244                         INTERNET_SERVICE_FTP, INTERNET_FLAG_PASSIVE, 0);
 245             if(ftp)
 246             {
 247                 SYSTEMTIME now;
 248                 GetSystemTime(&now);
 249                 wchar_t remote_file[MAX_PATH];
 250                 swprintf(remote_file,
 251                         L"/crashes-win32/%04d%02d%02d%02d%02d%02d",
 252                         now.wYear, now.wMonth, now.wDay, now.wHour,
 253                         now.wMinute, now.wSecond );
 254
 255                 if( FtpPutFile( ftp, crashdump_path, remote_file,
 256                             FTP_TRANSFER_TYPE_BINARY, 0) )
 257                     MessageBox( NULL, L"Report sent correctly. Thanks a lot \
 258                             for the help.", L"Report sent", MB_OK);
 259                 else
 260                     MessageBox( NULL, L"There was an error while \
 261                             transferring to the FTP server. "\
 262                                 "Thanks a lot for the help anyway.",
 263                                 L"Report sending failed", MB_OK);
 264                 InternetCloseHandle(ftp);
 265             }
 266             else
 267             {
 268                 MessageBox( NULL, L"There was an error while connecting to \
 269                         the FTP server. "\
 270                                 "Thanks a lot for the help anyway.",
 271                                 L"Report sending failed", MB_OK);
 272                 fprintf(stderr,"Can't connect to FTP server 0x%08lu\n",
 273                         (unsigned long)GetLastError());
 274             }
 275             InternetCloseHandle(Hint);
 276         }
 277         else
 278         {
 279               MessageBox( NULL, L"There was an error while connecting to the \
 280                       Internet. "\
 281                                 "Thanks a lot for the help anyway.",
 282                                 L"Report sending failed", MB_OK);
 283         }
 284     }
 285
 286     _wremove(crashdump_path);
 287 }
 288
 289 /*****************************************************************************
 290  * vlc_exception_filter: handles unhandled exceptions, like segfaults
 291  *****************************************************************************/
 292 LONG WINAPI vlc_exception_filter(struct _EXCEPTION_POINTERS *lpExceptionInfo)
 293 {
 294     if(IsDebuggerPresent())
 295     {
 296         //If a debugger is present, pass the exception to the debugger
 297         //with EXCEPTION_CONTINUE_SEARCH
 298         return EXCEPTION_CONTINUE_SEARCH;
 299     }
 300     else
 301     {
 302         fprintf( stderr, "unhandled vlc exception\n" );
 303
 304         FILE * fd = _wfopen ( crashdump_path, L"w, ccs=UTF-8" );
 305
 306         if( !fd )
 307         {
 308             fprintf( stderr, "\nerror while opening file" );
 309             exit( 1 );
 310         }
 311
 312         OSVERSIONINFO osvi;
 313         ZeroMemory( &osvi, sizeof(OSVERSIONINFO) );
 314         osvi.dwOSVersionInfoSize = sizeof( OSVERSIONINFO );
 315         GetVersionEx( &osvi );
 316
 317         fwprintf( fd, L"[version]\nOS=%d.%d.%d.%d.%s\nVLC=" VERSION_MESSAGE,
 318                 osvi.dwMajorVersion, osvi.dwMinorVersion, osvi.dwBuildNumber,
 319                 osvi.dwPlatformId, osvi.szCSDVersion);
 320
 321         const CONTEXT *const pContext = (const CONTEXT *)
 322             lpExceptionInfo->ContextRecord;
 323         const EXCEPTION_RECORD *const pException = (const EXCEPTION_RECORD *)
 324             lpExceptionInfo->ExceptionRecord;
 325         /* No nested exceptions for now */
 326         fwprintf( fd, L"\n\n[exceptions]\n%08x at %px",
 327                 pException->ExceptionCode, pException->ExceptionAddress );
 328
 329         for( unsigned int i = 0; i < pException->NumberParameters; i++ )
 330             fwprintf( fd, L" | %p", pException->ExceptionInformation[i] );
 331
 332 #ifdef WIN64
 333         fwprintf( fd, L"\n\n[context]\nRDI:%px\nRSI:%px\n" \
 334                     "RBX:%px\nRDX:%px\nRCX:%px\nRAX:%px\n" \
 335                     "RBP:%px\nRIP:%px\nRSP:%px\nR8:%px\n" \
 336                     "R9:%px\nR10:%px\nR11:%px\nR12:%px\n" \
 337                     "R13:%px\nR14:%px\nR15:%px\n",
 338                         pContext->Rdi,pContext->Rsi,pContext->Rbx,
 339                         pContext->Rdx,pContext->Rcx,pContext->Rax,
 340                         pContext->Rbp,pContext->Rip,pContext->Rsp,
 341                         pContext->R8,pContext->R9,pContext->R10,
 342                         pContext->R11,pContext->R12,pContext->R13,
 343                         pContext->R14,pContext->R15 );
 344 #else
 345         fwprintf( fd, L"\n\n[context]\nEDI:%px\nESI:%px\n" \
 346                     "EBX:%px\nEDX:%px\nECX:%px\nEAX:%px\n" \
 347                     "EBP:%px\nEIP:%px\nESP:%px\n",
 348                         pContext->Edi,pContext->Esi,pContext->Ebx,
 349                         pContext->Edx,pContext->Ecx,pContext->Eax,
 350                         pContext->Ebp,pContext->Eip,pContext->Esp );
 351 #endif
 352
 353         HANDLE hpid = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ,
 354                                         FALSE, GetCurrentProcessId());
 355         if (hpid) {
 356             HMODULE mods[1024];
 357             DWORD size;
 358             if (EnumProcessModules(hpid, mods, sizeof(mods), &size)) {
 359                 fwprintf( fd, L"\n\n[modules]\n" );
 360                 for (unsigned int i = 0; i < size / sizeof(HMODULE); i++) {
 361                     wchar_t module[ 256 ];
 362                     GetModuleFileName(mods[i], module, 256);
 363                     fwprintf( fd, L"%p|%s\n", mods[i], module);
 364                 }
 365             }
 366             CloseHandle(hpid);
 367         }
 368
 369
 370         fwprintf( fd, L"\n[stacktrace]\n#EIP|base|module\n" );
 371
 372 #ifdef WIN64
 373         LPCVOID caller = (LPCVOID)pContext->Rip;
 374         LPVOID *pBase  = (LPVOID*)pContext->Rbp;
 375 #else
 376         LPVOID *pBase  = (LPVOID*)pContext->Ebp;
 377         LPCVOID caller = (LPCVOID)pContext->Eip;
 378 #endif
 379         for( unsigned frame = 0; frame <= 100; frame++ )
 380         {
 381             MEMORY_BASIC_INFORMATION mbi;
 382             wchar_t module[ 256 ];
 383             VirtualQuery( caller, &mbi, sizeof( mbi ) ) ;
 384             GetModuleFileName( mbi.AllocationBase, module, 256 );
 385             fwprintf( fd, L"%p|%s\n", caller, module );
 386
 387             /*The last BP points to NULL!*/
 388             caller = *(pBase + 1);
 389             if( !caller )
 390                 break;
 391             pBase = *pBase;
 392         }
 393
 394         fclose( fd );
 395         fflush( stderr );
 396         exit( 1 );
 397     }
 398 }
 399 #endif