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