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 #ifndef _WIN32_IE
  37 #  define  _WIN32_IE 0x501
  38 #endif
  39 #include <fcntl.h>
  40 #include <io.h>
  41 #include <shlobj.h>
  42 #include <wininet.h>
  43 #define PSAPI_VERSION 1
  44 #include <psapi.h>
  45 #define HeapEnableTerminationOnCorruption (HEAP_INFORMATION_CLASS)1
  46 static void check_crashdump(void);
  47 LONG WINAPI vlc_exception_filter(struct _EXCEPTION_POINTERS *lpExceptionInfo);
  48 static const wchar_t *crashdump_path;
  49
  50 static char *FromWide (const wchar_t *wide)
  51 {
  52     size_t len;
  53     len = WideCharToMultiByte (CP_UTF8, 0, wide, -1, NULL, 0, NULL, NULL);
  54
  55     char *out = (char *)malloc (len);
  56     if (out)
  57         WideCharToMultiByte (CP_UTF8, 0, wide, -1, out, len, NULL, NULL);
  58     return out;
  59 }
  60
  61 int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance,
  62                     LPSTR lpCmdLine,
  63                     int nCmdShow )
  64 {
  65     int argc;
  66
  67     /* VLC does not change the thread locale, so gettext/libintil will use the
  68      * user default locale as reference. */
  69     /* gettext versions 0.18-0.18.1 will use the Windows Vista locale name
  70      * if the GETTEXT_MUI environment variable is set. If not set or if running
  71      * on Windows 2000/XP/2003 an hard-coded language ID list is used. This
  72      * putenv() call may become redundant with later versions of gettext. */
  73     putenv("GETTEXT_MUI=1");
  74 #ifdef TOP_BUILDDIR
  75     putenv("VLC_PLUGIN_PATH=Z:"TOP_BUILDDIR"/modules");
  76     putenv("VLC_DATA_PATH=Z:"TOP_SRCDIR"/share");
  77 #endif
  78
  79     HeapSetInformation(NULL, HeapEnableTerminationOnCorruption, NULL, 0);
  80
  81     /* SetProcessDEPPolicy */
  82     HINSTANCE h_Kernel32 = LoadLibraryW(L"kernel32.dll");
  83     if(h_Kernel32)
  84     {
  85         BOOL (WINAPI * mySetProcessDEPPolicy)( DWORD dwFlags);
  86         BOOL (WINAPI * mySetDllDirectoryA)(const char* lpPathName);
  87 # define PROCESS_DEP_ENABLE 1
  88
  89         mySetProcessDEPPolicy = (BOOL WINAPI (*)(DWORD))
  90                             GetProcAddress(h_Kernel32, "SetProcessDEPPolicy");
  91         if(mySetProcessDEPPolicy)
  92             mySetProcessDEPPolicy(PROCESS_DEP_ENABLE);
  93
  94         /* Do NOT load any library from cwd. */
  95         mySetDllDirectoryA = (BOOL WINAPI (*)(const char*))
  96                             GetProcAddress(h_Kernel32, "SetDllDirectoryA");
  97         if(mySetDllDirectoryA)
  98             mySetDllDirectoryA("");
  99
 100         FreeLibrary(h_Kernel32);
 101     }
 102
 103     /* Args */
 104     wchar_t **wargv = CommandLineToArgvW (GetCommandLine (), &argc);
 105     if (wargv == NULL)
 106         return 1;
 107
 108     char *argv[argc + 3];
 109     BOOL crash_handling = TRUE;
 110     int j = 0;
 111     char *lang = NULL;
 112
 113     argv[j++] = FromWide( L"--media-library" );
 114     argv[j++] = FromWide( L"--no-ignore-config" );
 115     for (int i = 1; i < argc; i++)
 116     {
 117         if(!wcscmp(wargv[i], L"--no-crashdump"))
 118         {
 119             crash_handling = FALSE;
 120             continue; /* don't give argument to libvlc */
 121         }
 122         if (!wcsncmp(wargv[i], L"--language", 10) )
 123         {
 124             if (i < argc - 1 && wcsncmp( wargv[i + 1], L"--", 2 ))
 125                 lang = FromWide (wargv[++i]);
 126             continue;
 127         }
 128
 129         argv[j++] = FromWide (wargv[i]);
 130     }
 131
 132     argc = j;
 133     argv[argc] = NULL;
 134     LocalFree (wargv);
 135
 136     if(crash_handling)
 137     {
 138         static wchar_t path[MAX_PATH];
 139         if( S_OK != SHGetFolderPathW( NULL, CSIDL_APPDATA | CSIDL_FLAG_CREATE,
 140                     NULL, SHGFP_TYPE_CURRENT, path ) )
 141             fprintf( stderr, "Can't open the vlc conf PATH\n" );
 142         _snwprintf( path+wcslen( path ), MAX_PATH,  L"%s", L"\\vlc\\crashdump" );
 143         crashdump_path = &path[0];
 144
 145         check_crashdump();
 146         SetUnhandledExceptionFilter(vlc_exception_filter);
 147     }
 148
 149     _setmode( STDIN_FILENO, _O_BINARY ); /* Needed for pipes */
 150
 151     /* */
 152     if (!lang)
 153     {
 154         HKEY h_key;
 155         if( RegOpenKeyEx( HKEY_CURRENT_USER, TEXT("Software\\VideoLAN\\VLC\\"), 0, KEY_READ, &h_key )
 156                 == ERROR_SUCCESS )
 157         {
 158             TCHAR szData[256];
 159             DWORD len = 256;
 160             if( RegQueryValueEx( h_key, TEXT("Lang"), NULL, NULL, (LPBYTE) &szData, &len ) == ERROR_SUCCESS )
 161                 lang = FromWide( szData );
 162         }
 163     }
 164
 165     if (lang && strncmp( lang, "auto", 4 ) )
 166     {
 167         char tmp[11];
 168         snprintf(tmp, 11, "LANG=%s", lang);
 169         putenv(tmp);
 170     }
 171     free(lang);
 172
 173     /* Initialize libvlc */
 174     libvlc_instance_t *vlc;
 175     vlc = libvlc_new (argc, (const char **)argv);
 176     if (vlc != NULL)
 177     {
 178         libvlc_set_app_id (vlc, "org.VideoLAN.VLC", PACKAGE_VERSION,
 179                            PACKAGE_NAME);
 180         libvlc_set_user_agent (vlc, "VLC media player", "VLC/"PACKAGE_VERSION);
 181         libvlc_add_intf (vlc, "hotkeys,none");
 182         libvlc_add_intf (vlc, "globalhotkeys,none");
 183         libvlc_add_intf (vlc, NULL);
 184         libvlc_playlist_play (vlc, -1, 0, NULL);
 185         libvlc_wait (vlc);
 186         libvlc_release (vlc);
 187     }
 188     else
 189         MessageBox (NULL, TEXT("VLC media player could not start.\n"
 190                     "Either the command line options were invalid or no plugins were found.\n"),
 191                     TEXT("VLC media player"),
 192                     MB_OK|MB_ICONERROR);
 193
 194
 195     for (int i = 0; i < argc; i++)
 196         free (argv[i]);
 197
 198     (void)hInstance; (void)hPrevInstance; (void)lpCmdLine; (void)nCmdShow;
 199     return 0;
 200 }
 201
 202 /* Crashdumps handling */
 203 static void check_crashdump(void)
 204 {
 205     FILE * fd = _wfopen ( crashdump_path, L"r, ccs=UTF-8" );
 206     if( !fd )
 207         return;
 208     fclose( fd );
 209
 210     int answer = MessageBox( NULL, L"Ooops: VLC media player just crashed.\n" \
 211     "Would you like to send a bug report to the developers team?",
 212     L"VLC crash reporting", MB_YESNO);
 213
 214     if(answer == IDYES)
 215     {
 216         HINTERNET Hint = InternetOpen(L"VLC Crash Reporter",
 217                 INTERNET_OPEN_TYPE_PRECONFIG, NULL,NULL,0);
 218         if(Hint)
 219         {
 220             HINTERNET ftp = InternetConnect(Hint, L"crash.videolan.org",
 221                         INTERNET_DEFAULT_FTP_PORT, NULL, NULL,
 222                         INTERNET_SERVICE_FTP, INTERNET_FLAG_PASSIVE, 0);
 223             if(ftp)
 224             {
 225                 SYSTEMTIME now;
 226                 GetSystemTime(&now);
 227                 wchar_t remote_file[MAX_PATH];
 228                 _snwprintf(remote_file, MAX_PATH,
 229                         L"/crashes-win32/%04d%02d%02d%02d%02d%02d",
 230                         now.wYear, now.wMonth, now.wDay, now.wHour,
 231                         now.wMinute, now.wSecond );
 232
 233                 if( FtpPutFile( ftp, crashdump_path, remote_file,
 234                             FTP_TRANSFER_TYPE_BINARY, 0) )
 235                     MessageBox( NULL, L"Report sent correctly. Thanks a lot " \
 236                                 "for the help.", L"Report sent", MB_OK);
 237                 else
 238                     MessageBox( NULL, L"There was an error while "\
 239                                 "transferring the data to the FTP server.\n"\
 240                                 "Thanks a lot for the help.",
 241                                 L"Report sending failed", MB_OK);
 242                 InternetCloseHandle(ftp);
 243             }
 244             else
 245             {
 246                 MessageBox( NULL, L"There was an error while connecting to " \
 247                                 "the FTP server. "\
 248                                 "Thanks a lot for the help.",
 249                                 L"Report sending failed", MB_OK);
 250                 fprintf(stderr,"Can't connect to FTP server 0x%08lu\n",
 251                         (unsigned long)GetLastError());
 252             }
 253             InternetCloseHandle(Hint);
 254         }
 255         else
 256         {
 257               MessageBox( NULL, L"There was an error while connecting to the Internet.\n"\
 258                                 "Thanks a lot for the help anyway.",
 259                                 L"Report sending failed", MB_OK);
 260         }
 261     }
 262
 263     _wremove(crashdump_path);
 264 }
 265
 266 /*****************************************************************************
 267  * vlc_exception_filter: handles unhandled exceptions, like segfaults
 268  *****************************************************************************/
 269 LONG WINAPI vlc_exception_filter(struct _EXCEPTION_POINTERS *lpExceptionInfo)
 270 {
 271     if(IsDebuggerPresent())
 272     {
 273         //If a debugger is present, pass the exception to the debugger
 274         //with EXCEPTION_CONTINUE_SEARCH
 275         return EXCEPTION_CONTINUE_SEARCH;
 276     }
 277     else
 278     {
 279         fprintf( stderr, "unhandled vlc exception\n" );
 280
 281         FILE * fd = _wfopen ( crashdump_path, L"w, ccs=UTF-8" );
 282
 283         if( !fd )
 284         {
 285             fprintf( stderr, "\nerror while opening file" );
 286             exit( 1 );
 287         }
 288
 289         OSVERSIONINFO osvi;
 290         ZeroMemory( &osvi, sizeof(OSVERSIONINFO) );
 291         osvi.dwOSVersionInfoSize = sizeof( OSVERSIONINFO );
 292         GetVersionEx( &osvi );
 293
 294         fwprintf( fd, L"[version]\nOS=%d.%d.%d.%d.%s\nVLC=" VERSION_MESSAGE,
 295                 osvi.dwMajorVersion, osvi.dwMinorVersion, osvi.dwBuildNumber,
 296                 osvi.dwPlatformId, osvi.szCSDVersion);
 297
 298         const CONTEXT *const pContext = (const CONTEXT *)
 299             lpExceptionInfo->ContextRecord;
 300         const EXCEPTION_RECORD *const pException = (const EXCEPTION_RECORD *)
 301             lpExceptionInfo->ExceptionRecord;
 302         /* No nested exceptions for now */
 303         fwprintf( fd, L"\n\n[exceptions]\n%08x at %px",
 304                 pException->ExceptionCode, pException->ExceptionAddress );
 305
 306         for( unsigned int i = 0; i < pException->NumberParameters; i++ )
 307             fwprintf( fd, L" | %p", pException->ExceptionInformation[i] );
 308
 309 #ifdef _WIN64
 310         fwprintf( fd, L"\n\n[context]\nRDI:%px\nRSI:%px\n" \
 311                     "RBX:%px\nRDX:%px\nRCX:%px\nRAX:%px\n" \
 312                     "RBP:%px\nRIP:%px\nRSP:%px\nR8:%px\n" \
 313                     "R9:%px\nR10:%px\nR11:%px\nR12:%px\n" \
 314                     "R13:%px\nR14:%px\nR15:%px\n",
 315                         pContext->Rdi,pContext->Rsi,pContext->Rbx,
 316                         pContext->Rdx,pContext->Rcx,pContext->Rax,
 317                         pContext->Rbp,pContext->Rip,pContext->Rsp,
 318                         pContext->R8,pContext->R9,pContext->R10,
 319                         pContext->R11,pContext->R12,pContext->R13,
 320                         pContext->R14,pContext->R15 );
 321 #else
 322         fwprintf( fd, L"\n\n[context]\nEDI:%px\nESI:%px\n" \
 323                     "EBX:%px\nEDX:%px\nECX:%px\nEAX:%px\n" \
 324                     "EBP:%px\nEIP:%px\nESP:%px\n",
 325                         pContext->Edi,pContext->Esi,pContext->Ebx,
 326                         pContext->Edx,pContext->Ecx,pContext->Eax,
 327                         pContext->Ebp,pContext->Eip,pContext->Esp );
 328 #endif
 329
 330         fwprintf( fd, L"\n[stacktrace]\n#EIP|base|module\n" );
 331
 332 #ifdef _WIN64
 333         LPCVOID caller = (LPCVOID)pContext->Rip;
 334         LPVOID *pBase  = (LPVOID*)pContext->Rbp;
 335 #else
 336         LPVOID *pBase  = (LPVOID*)pContext->Ebp;
 337         LPCVOID caller = (LPCVOID)pContext->Eip;
 338 #endif
 339         for( unsigned frame = 0; frame <= 100; frame++ )
 340         {
 341             MEMORY_BASIC_INFORMATION mbi;
 342             wchar_t module[ 256 ];
 343             VirtualQuery( caller, &mbi, sizeof( mbi ) ) ;
 344             GetModuleFileName( mbi.AllocationBase, module, 256 );
 345             fwprintf( fd, L"%p|%s\n", caller, module );
 346
 347             /*The last BP points to NULL!*/
 348             caller = *(pBase + 1);
 349             if( !caller )
 350                 break;
 351             pBase = *pBase;
 352         }
 353
 354         HANDLE hpid = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ,
 355                                         FALSE, GetCurrentProcessId());
 356         if (hpid) {
 357             HMODULE mods[1024];
 358             DWORD size;
 359             if (EnumProcessModules(hpid, mods, sizeof(mods), &size)) {
 360                 fwprintf( fd, L"\n\n[modules]\n" );
 361                 for (unsigned int i = 0; i < size / sizeof(HMODULE); i++) {
 362                     wchar_t module[ 256 ];
 363                     GetModuleFileName(mods[i], module, 256);
 364                     fwprintf( fd, L"%p|%s\n", mods[i], module);
 365                 }
 366             }
 367             CloseHandle(hpid);
 368         }
 369
 370         fclose( fd );
 371         fflush( stderr );
 372         exit( 1 );
 373     }
 374 }