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 #ifndef UNICODE
  32 #define UNICODE
  33 #endif
  34
  35 #include <vlc/vlc.h>
  36 #include <windows.h>
  37 #include <shellapi.h>
  38
  39 #ifndef _WIN32_IE
  40 #  define  _WIN32_IE 0x501
  41 #endif
  42 #include <fcntl.h>
  43 #include <io.h>
  44 #include <shlobj.h>
  45 #include <wininet.h>
  46 #define PSAPI_VERSION 1
  47 #include <psapi.h>
  48 #define HeapEnableTerminationOnCorruption (HEAP_INFORMATION_CLASS)1
  49 static void check_crashdump(void);
  50 LONG WINAPI vlc_exception_filter(struct _EXCEPTION_POINTERS *lpExceptionInfo);
  51 static const wchar_t *crashdump_path;
  52
  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
  64 #if (_WIN32_WINNT < _WIN32_WINNT_WIN8)
  65 static BOOL SetDefaultDllDirectories_(DWORD flags)
  66 {
  67     HMODULE h = GetModuleHandle(TEXT("kernel32.dll"));
  68     if (h == NULL)
  69         return FALSE;
  70
  71     BOOL (WINAPI * SetDefaultDllDirectoriesReal)(DWORD);
  72
  73     SetDefaultDllDirectoriesReal = GetProcAddress(h,
  74                                                   "SetDefaultDllDirectories");
  75     if (SetDefaultDllDirectoriesReal == NULL)
  76         return FALSE;
  77
  78     return SetDefaultDllDirectoriesReal(flags);
  79 }
  80 # define SetDefaultDllDirectories SetDefaultDllDirectories_
  81 #endif
  82
  83 int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance,
  84                     LPSTR lpCmdLine,
  85                     int nCmdShow )
  86 {
  87     int argc;
  88
  89     /* VLC does not change the thread locale, so gettext/libintil will use the
  90      * user default locale as reference. */
  91     /* gettext versions 0.18-0.18.1 will use the Windows Vista locale name
  92      * if the GETTEXT_MUI environment variable is set. If not set or if running
  93      * on Windows 2000/XP/2003 an hard-coded language ID list is used. This
  94      * putenv() call may become redundant with later versions of gettext. */
  95     putenv("GETTEXT_MUI=1");
  96 #ifdef TOP_BUILDDIR
  97     putenv("VLC_PLUGIN_PATH=Z:"TOP_BUILDDIR"/modules");
  98     putenv("VLC_DATA_PATH=Z:"TOP_SRCDIR"/share");
  99 #endif
 100
 101     SetErrorMode(SEM_FAILCRITICALERRORS);
 102     HeapSetInformation(NULL, HeapEnableTerminationOnCorruption, NULL, 0);
 103
 104     /* SetProcessDEPPolicy */
 105     HINSTANCE h_Kernel32 = GetModuleHandle(TEXT("kernel32.dll"));
 106     if (h_Kernel32 != NULL)
 107     {
 108         BOOL (WINAPI * mySetProcessDEPPolicy)( DWORD dwFlags);
 109         BOOL (WINAPI * mySetDllDirectoryA)(const char* lpPathName);
 110 # define PROCESS_DEP_ENABLE 1
 111
 112         mySetProcessDEPPolicy = (BOOL (WINAPI *)(DWORD))
 113                             GetProcAddress(h_Kernel32, "SetProcessDEPPolicy");
 114         if(mySetProcessDEPPolicy)
 115             mySetProcessDEPPolicy(PROCESS_DEP_ENABLE);
 116
 117         /* Do NOT load any library from cwd. */
 118         mySetDllDirectoryA = (BOOL (WINAPI *)(const char*))
 119                             GetProcAddress(h_Kernel32, "SetDllDirectoryA");
 120         if(mySetDllDirectoryA)
 121             mySetDllDirectoryA("");
 122     }
 123
 124     SetDefaultDllDirectories(LOAD_LIBRARY_SEARCH_SYSTEM32);
 125
 126     /* Args */
 127     wchar_t **wargv = CommandLineToArgvW (GetCommandLine (), &argc);
 128     if (wargv == NULL)
 129         return 1;
 130
 131     char *argv[argc + 3];
 132     BOOL crash_handling = TRUE;
 133     int j = 0;
 134     char *lang = NULL;
 135
 136     argv[j++] = FromWide( L"--media-library" );
 137     argv[j++] = FromWide( L"--no-ignore-config" );
 138     for (int i = 1; i < argc; i++)
 139     {
 140         if(!wcscmp(wargv[i], L"--no-crashdump"))
 141         {
 142             crash_handling = FALSE;
 143             continue; /* don't give argument to libvlc */
 144         }
 145         if (!wcsncmp(wargv[i], L"--language", 10) )
 146         {
 147             if (i < argc - 1 && wcsncmp( wargv[i + 1], L"--", 2 ))
 148                 lang = FromWide (wargv[++i]);
 149             continue;
 150         }
 151
 152         argv[j++] = FromWide (wargv[i]);
 153     }
 154
 155     argc = j;
 156     argv[argc] = NULL;
 157     LocalFree (wargv);
 158
 159     if(crash_handling)
 160     {
 161         static wchar_t path[MAX_PATH];
 162         if( S_OK != SHGetFolderPathW( NULL, CSIDL_APPDATA | CSIDL_FLAG_CREATE,
 163                     NULL, SHGFP_TYPE_CURRENT, path ) )
 164             fprintf( stderr, "Can't open the vlc conf PATH\n" );
 165         _snwprintf( path+wcslen( path ), MAX_PATH,  L"%s", L"\\vlc\\crashdump" );
 166         crashdump_path = &path[0];
 167
 168         check_crashdump();
 169         SetUnhandledExceptionFilter(vlc_exception_filter);
 170     }
 171
 172     _setmode( _fileno( stdin ), _O_BINARY ); /* Needed for pipes */
 173
 174     /* */
 175     if (!lang)
 176     {
 177         HKEY h_key;
 178         if( RegOpenKeyEx( HKEY_CURRENT_USER, TEXT("Software\\VideoLAN\\VLC\\"), 0, KEY_READ, &h_key )
 179                 == ERROR_SUCCESS )
 180         {
 181             TCHAR szData[256];
 182             DWORD len = 256;
 183             if( RegQueryValueEx( h_key, TEXT("Lang"), NULL, NULL, (LPBYTE) &szData, &len ) == ERROR_SUCCESS )
 184                 lang = FromWide( szData );
 185         }
 186     }
 187
 188     if (lang && strncmp( lang, "auto", 4 ) )
 189     {
 190         char tmp[11];
 191         snprintf(tmp, 11, "LANG=%s", lang);
 192         putenv(tmp);
 193     }
 194     free(lang);
 195
 196     /* Initialize libvlc */
 197     libvlc_instance_t *vlc;
 198     vlc = libvlc_new (argc, (const char **)argv);
 199     if (vlc != NULL)
 200     {
 201         libvlc_set_app_id (vlc, "org.VideoLAN.VLC", PACKAGE_VERSION,
 202                            PACKAGE_NAME);
 203         libvlc_set_user_agent (vlc, "VLC media player", "VLC/"PACKAGE_VERSION);
 204         libvlc_add_intf (vlc, "hotkeys,none");
 205         libvlc_add_intf (vlc, "globalhotkeys,none");
 206         libvlc_add_intf (vlc, NULL);
 207         libvlc_playlist_play (vlc, -1, 0, NULL);
 208         libvlc_wait (vlc);
 209         libvlc_release (vlc);
 210     }
 211     else
 212         MessageBox (NULL, TEXT("VLC media player could not start.\n"
 213                     "Either the command line options were invalid or no plugins were found.\n"),
 214                     TEXT("VLC media player"),
 215                     MB_OK|MB_ICONERROR);
 216
 217
 218     for (int i = 0; i < argc; i++)
 219         free (argv[i]);
 220
 221     (void)hInstance; (void)hPrevInstance; (void)lpCmdLine; (void)nCmdShow;
 222     return 0;
 223 }
 224
 225 /* Crashdumps handling */
 226 static void check_crashdump(void)
 227 {
 228     wchar_t mv_crashdump_path[MAX_PATH];
 229     wcscpy (mv_crashdump_path, crashdump_path);
 230     wcscat (mv_crashdump_path, L".mv");
 231
 232     if (_wrename (crashdump_path, mv_crashdump_path))
 233         return;
 234
 235     FILE * fd = _wfopen ( mv_crashdump_path, L"r, ccs=UTF-8" );
 236     if( !fd )
 237         return;
 238     fclose( fd );
 239
 240     int answer = MessageBox( NULL, L"Ooops: VLC media player just crashed.\n" \
 241     "Would you like to send a bug report to the developers team?",
 242     L"VLC crash reporting", MB_YESNO);
 243
 244     if(answer == IDYES)
 245     {
 246         HINTERNET Hint = InternetOpen(L"VLC Crash Reporter",
 247                 INTERNET_OPEN_TYPE_PRECONFIG, NULL,NULL,0);
 248         if(Hint)
 249         {
 250             HINTERNET ftp = InternetConnect(Hint, L"crash.videolan.org",
 251                         INTERNET_DEFAULT_FTP_PORT, NULL, NULL,
 252                         INTERNET_SERVICE_FTP, INTERNET_FLAG_PASSIVE, 0);
 253             if(ftp)
 254             {
 255                 SYSTEMTIME now;
 256                 GetSystemTime(&now);
 257                 wchar_t remote_file[MAX_PATH];
 258                 _snwprintf(remote_file, MAX_PATH,
 259                         L"/crashes-win32/%04d%02d%02d%02d%02d%02d",
 260                         now.wYear, now.wMonth, now.wDay, now.wHour,
 261                         now.wMinute, now.wSecond );
 262
 263                 if( FtpPutFile( ftp, mv_crashdump_path, remote_file,
 264                             FTP_TRANSFER_TYPE_BINARY, 0) )
 265                     fprintf(stderr, "Report sent correctly to FTP.\n");
 266                 else
 267                     fprintf(stderr,"Couldn't send report to FTP server\n");
 268
 269                 InternetCloseHandle(ftp);
 270             }
 271             else
 272             {
 273                 fprintf(stderr, "Can't connect to FTP server 0x%08lx\n",
 274                         (unsigned long)GetLastError());
 275             }
 276             InternetCloseHandle(Hint);
 277         }
 278         else
 279         {
 280               fprintf(stderr, "There was an error while connecting to the "
 281                       "Internet  0x%08lx\n", (unsigned long)GetLastError());
 282         }
 283         MessageBox( NULL, L"Thanks a lot for helping improving VLC!",
 284                     L"VLC crash report" , MB_OK);
 285     }
 286
 287     _wremove(mv_crashdump_path);
 288 }
 289
 290 /*****************************************************************************
 291  * vlc_exception_filter: handles unhandled exceptions, like segfaults
 292  *****************************************************************************/
 293 LONG WINAPI vlc_exception_filter(struct _EXCEPTION_POINTERS *lpExceptionInfo)
 294 {
 295     if(IsDebuggerPresent())
 296     {
 297         //If a debugger is present, pass the exception to the debugger
 298         //with EXCEPTION_CONTINUE_SEARCH
 299         return EXCEPTION_CONTINUE_SEARCH;
 300     }
 301     else
 302     {
 303         fprintf( stderr, "unhandled vlc exception\n" );
 304
 305         FILE * fd = _wfopen ( crashdump_path, L"w, ccs=UTF-8" );
 306
 307         if( !fd )
 308         {
 309             fprintf( stderr, "\nerror while opening file" );
 310             exit( 1 );
 311         }
 312
 313         OSVERSIONINFO osvi;
 314         ZeroMemory( &osvi, sizeof(OSVERSIONINFO) );
 315         osvi.dwOSVersionInfoSize = sizeof( OSVERSIONINFO );
 316         GetVersionEx( &osvi );
 317
 318         fwprintf( fd, L"[version]\nOS=%d.%d.%d.%d.%ls\nVLC=" VERSION_MESSAGE,
 319                 osvi.dwMajorVersion, osvi.dwMinorVersion, osvi.dwBuildNumber,
 320                 osvi.dwPlatformId, osvi.szCSDVersion);
 321
 322         const CONTEXT *const pContext = (const CONTEXT *)
 323             lpExceptionInfo->ContextRecord;
 324         const EXCEPTION_RECORD *const pException = (const EXCEPTION_RECORD *)
 325             lpExceptionInfo->ExceptionRecord;
 326         /* No nested exceptions for now */
 327         fwprintf( fd, L"\n\n[exceptions]\n%08x at %px",
 328                 pException->ExceptionCode, pException->ExceptionAddress );
 329
 330         for( unsigned int i = 0; i < pException->NumberParameters; i++ )
 331             fwprintf( fd, L" | %p", pException->ExceptionInformation[i] );
 332
 333 #ifdef _WIN64
 334         fwprintf( fd, L"\n\n[context]\nRDI:%px\nRSI:%px\n" \
 335                     "RBX:%px\nRDX:%px\nRCX:%px\nRAX:%px\n" \
 336                     "RBP:%px\nRIP:%px\nRSP:%px\nR8:%px\n" \
 337                     "R9:%px\nR10:%px\nR11:%px\nR12:%px\n" \
 338                     "R13:%px\nR14:%px\nR15:%px\n",
 339                         pContext->Rdi,pContext->Rsi,pContext->Rbx,
 340                         pContext->Rdx,pContext->Rcx,pContext->Rax,
 341                         pContext->Rbp,pContext->Rip,pContext->Rsp,
 342                         pContext->R8,pContext->R9,pContext->R10,
 343                         pContext->R11,pContext->R12,pContext->R13,
 344                         pContext->R14,pContext->R15 );
 345 #else
 346         fwprintf( fd, L"\n\n[context]\nEDI:%px\nESI:%px\n" \
 347                     "EBX:%px\nEDX:%px\nECX:%px\nEAX:%px\n" \
 348                     "EBP:%px\nEIP:%px\nESP:%px\n",
 349                         pContext->Edi,pContext->Esi,pContext->Ebx,
 350                         pContext->Edx,pContext->Ecx,pContext->Eax,
 351                         pContext->Ebp,pContext->Eip,pContext->Esp );
 352 #endif
 353
 354         fwprintf( fd, L"\n[stacktrace]\n#EIP|base|module\n" );
 355
 356 #ifdef _WIN64
 357         LPCVOID caller = (LPCVOID)pContext->Rip;
 358         LPVOID *pBase  = (LPVOID*)pContext->Rbp;
 359 #else
 360         LPVOID *pBase  = (LPVOID*)pContext->Ebp;
 361         LPCVOID caller = (LPCVOID)pContext->Eip;
 362 #endif
 363         for( unsigned frame = 0; frame <= 100; frame++ )
 364         {
 365             MEMORY_BASIC_INFORMATION mbi;
 366             wchar_t module[ 256 ];
 367             VirtualQuery( caller, &mbi, sizeof( mbi ) ) ;
 368             GetModuleFileName( mbi.AllocationBase, module, 256 );
 369             fwprintf( fd, L"%p|%ls\n", caller, module );
 370
 371             if( IsBadReadPtr( pBase, 2 * sizeof( void* ) ) )
 372                 break;
 373
 374             /*The last BP points to NULL!*/
 375             caller = *(pBase + 1);
 376             if( !caller )
 377                 break;
 378             pBase = *pBase;
 379             if( !pBase )
 380                 break;
 381         }
 382
 383         HANDLE hpid = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ,
 384                                         FALSE, GetCurrentProcessId());
 385         if (hpid) {
 386             HMODULE mods[1024];
 387             DWORD size;
 388             if (EnumProcessModules(hpid, mods, sizeof(mods), &size)) {
 389                 fwprintf( fd, L"\n\n[modules]\n" );
 390                 for (unsigned int i = 0; i < size / sizeof(HMODULE); i++) {
 391                     wchar_t module[ 256 ];
 392                     GetModuleFileName(mods[i], module, 256);
 393                     fwprintf( fd, L"%p|%ls\n", mods[i], module);
 394                 }
 395             }
 396             CloseHandle(hpid);
 397         }
 398
 399         fclose( fd );
 400         fflush( stderr );
 401         exit( 1 );
 402     }
 403 }