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 <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 #endif
  50
  51 #ifndef UNDER_CE
  52 static char *FromWide (const wchar_t *wide)
  53 {
  54     size_t len;
  55     len = WideCharToMultiByte (CP_UTF8, 0, wide, -1, NULL, 0, NULL, NULL);
  56
  57     char *out = (char *)malloc (len);
  58     if (out)
  59         WideCharToMultiByte (CP_UTF8, 0, wide, -1, out, len, NULL, NULL);
  60     return out;
  61 }
  62 #else
  63 static int parse_cmdline (char *line, char ***argvp)
  64 {
  65     char **argv = malloc (sizeof (char *));
  66     int argc = 0;
  67
  68     while (*line != '\0')
  69     {
  70         char quote = 0;
  71
  72         /* Skips white spaces */
  73         while (strchr ("\t ", *line))
  74             line++;
  75         if (!*line)
  76             break;
  77
  78         /* Starts a new parameter */
  79         argv = realloc (argv, (argc + 2) * sizeof (char *));
  80         if (*line == '"')
  81         {
  82             quote = '"';
  83             line++;
  84         }
  85         argv[argc++] = line;
  86
  87     more:
  88             while (*line && !strchr ("\t ", *line))
  89             line++;
  90
  91     if (line > argv[argc - 1] && line[-1] == quote)
  92         /* End of quoted parameter */
  93         line[-1] = 0;
  94     else
  95         if (*line && quote)
  96     {
  97         /* Space within a quote */
  98         line++;
  99         goto more;
 100     }
 101     else
 102         /* End of unquoted parameter */
 103         if (*line)
 104             *line++ = 0;
 105     }
 106     argv[argc] = NULL;
 107     *argvp = argv;
 108     return argc;
 109 }
 110 #endif
 111
 112 int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance,
 113 #ifndef UNDER_CE
 114                     LPSTR lpCmdLine,
 115 #else
 116                     LPWSTR lpCmdLine,
 117 #endif
 118                     int nCmdShow )
 119 {
 120     int argc;
 121
 122 #ifndef UNDER_CE
 123 #ifdef TOP_BUILDDIR
 124     putenv("VLC_PLUGIN_PATH=Z:"TOP_BUILDDIR"/modules");
 125 #endif
 126
 127     HeapSetInformation(NULL, HeapEnableTerminationOnCorruption, NULL, 0);
 128
 129     /* SetProcessDEPPolicy */
 130     HINSTANCE h_Kernel32 = LoadLibraryW(L"kernel32.dll");
 131     if(h_Kernel32)
 132     {
 133         BOOL (WINAPI * mySetProcessDEPPolicy)( DWORD dwFlags);
 134         BOOL (WINAPI * mySetDllDirectoryA)(const char* lpPathName);
 135 # define PROCESS_DEP_ENABLE 1
 136
 137         mySetProcessDEPPolicy = (BOOL WINAPI (*)(DWORD))
 138                             GetProcAddress(h_Kernel32, "SetProcessDEPPolicy");
 139         if(mySetProcessDEPPolicy)
 140             mySetProcessDEPPolicy(PROCESS_DEP_ENABLE);
 141
 142         /* Do NOT load any library from cwd. */
 143         mySetDllDirectoryA = (BOOL WINAPI (*)(const char*)) GetProcAddress(h_Kernel32, "SetDllDirectoryA");
 144         if(mySetDllDirectoryA)
 145             mySetDllDirectoryA("");
 146
 147         FreeLibrary(h_Kernel32);
 148     }
 149
 150     /* Args */
 151     wchar_t **wargv = CommandLineToArgvW (GetCommandLine (), &argc);
 152     if (wargv == NULL)
 153         return 1;
 154
 155     char *argv[argc + 3];
 156     BOOL crash_handling = TRUE;
 157     int j = 0;
 158
 159     argv[j++] = FromWide( L"--media-library" );
 160     argv[j++] = FromWide( L"--no-ignore-config" );
 161 #ifdef TOP_SRCDIR
 162     argv[j++] = FromWide (L"--data-path=Z:"TOP_SRCDIR"/share");
 163 #endif
 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_add_intf (vlc, "globalhotkeys,none");
 209         libvlc_add_intf (vlc, NULL);
 210         libvlc_playlist_play (vlc, -1, 0, NULL);
 211         libvlc_wait (vlc);
 212         libvlc_release (vlc);
 213     }
 214
 215     for (int i = 0; i < argc; i++)
 216         free (argv[i]);
 217
 218     (void)hInstance; (void)hPrevInstance; (void)lpCmdLine; (void)nCmdShow;
 219     return 0;
 220 }
 221
 222 #if !defined( UNDER_CE )
 223 /* Crashdumps handling */
 224 static void check_crashdump(void)
 225 {
 226     FILE * fd = _wfopen ( crashdump_path, L"r, ccs=UTF-8" );
 227     if( !fd )
 228         return;
 229     fclose( fd );
 230
 231     int answer = MessageBox( NULL, L"VLC media player just crashed." \
 232     " Do you want to send a bug report to the developers team?",
 233     L"VLC crash reporting", MB_YESNO);
 234
 235     if(answer == IDYES)
 236     {
 237         HINTERNET Hint = InternetOpen(L"VLC Crash Reporter", INTERNET_OPEN_TYPE_PRECONFIG, NULL,NULL,0);
 238         if(Hint)
 239         {
 240             HINTERNET ftp = InternetConnect(Hint, L"crash.videolan.org", INTERNET_DEFAULT_FTP_PORT,
 241                                             NULL, NULL, INTERNET_SERVICE_FTP, 0, 0);
 242             if(ftp)
 243             {
 244                 SYSTEMTIME now;
 245                 GetSystemTime(&now);
 246                 wchar_t remote_file[MAX_PATH];
 247                 swprintf( remote_file, L"/crashes-win32/%04d%02d%02d%02d%02d%02d",
 248                           now.wYear, now.wMonth, now.wDay, now.wHour, now.wMinute, now.wSecond );
 249
 250                 if( FtpPutFile( ftp, crashdump_path, remote_file, FTP_TRANSFER_TYPE_BINARY, 0) )
 251                     MessageBox( NULL, L"Report sent correctly. Thanks a lot for the help.",
 252                                 L"Report sent", MB_OK);
 253                 else
 254                     MessageBox( NULL, L"There was an error while transferring to the FTP server. "\
 255                                 "Thanks a lot for the help anyway.",
 256                                 L"Report sending failed", MB_OK);
 257                 InternetCloseHandle(ftp);
 258             }
 259             else
 260             {
 261                 MessageBox( NULL, L"There was an error while connecting to the FTP server. "\
 262                                 "Thanks a lot for the help anyway.",
 263                                 L"Report sending failed", MB_OK);
 264                 fprintf(stderr,"Can't connect to FTP server 0x%08lu\n",
 265                         (unsigned long)GetLastError());
 266             }
 267             InternetCloseHandle(Hint);
 268         }
 269         else
 270         {
 271               MessageBox( NULL, L"There was an error while connecting to Internet. "\
 272                                 "Thanks a lot for the help anyway.",
 273                                 L"Report sending failed", MB_OK);
 274         }
 275     }
 276
 277     _wremove(crashdump_path);
 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         FILE * fd = _wfopen ( crashdump_path, L"w, ccs=UTF-8" );
 295
 296         if( !fd )
 297         {
 298             fprintf( stderr, "\nerror while opening file" );
 299             exit( 1 );
 300         }
 301
 302         OSVERSIONINFO osvi;
 303         ZeroMemory( &osvi, sizeof(OSVERSIONINFO) );
 304         osvi.dwOSVersionInfoSize = sizeof( OSVERSIONINFO );
 305         GetVersionEx( &osvi );
 306
 307         fwprintf( fd, L"[version]\nOS=%d.%d.%d.%d.%s\nVLC=" VERSION_MESSAGE, osvi.dwMajorVersion,
 308                                                                osvi.dwMinorVersion,
 309                                                                osvi.dwBuildNumber,
 310                                                                osvi.dwPlatformId,
 311                                                                osvi.szCSDVersion);
 312
 313         const CONTEXT *const pContext = (const CONTEXT *)lpExceptionInfo->ContextRecord;
 314         const EXCEPTION_RECORD *const pException = (const EXCEPTION_RECORD *)lpExceptionInfo->ExceptionRecord;
 315         /*No nested exceptions for now*/
 316         fwprintf( fd, L"\n\n[exceptions]\n%08x at %px",pException->ExceptionCode,
 317                                                 pException->ExceptionAddress );
 318
 319         for( unsigned int i = 0; i < pException->NumberParameters; i++ )
 320             fwprintf( fd, L" | %p", pException->ExceptionInformation[i] );
 321
 322 #ifdef WIN64
 323         fwprintf( fd, L"\n\n[context]\nRDI:%px\nRSI:%px\n" \
 324                     "RBX:%px\nRDX:%px\nRCX:%px\nRAX:%px\n" \
 325                     "RBP:%px\nRIP:%px\nRSP:%px\nR8:%px\n" \
 326                     "R9:%px\nR10:%px\nR11:%px\nR12:%px\n" \
 327                     "R13:%px\nR14:%px\nR15:%px\n",
 328                         pContext->Rdi,pContext->Rsi,pContext->Rbx,
 329                         pContext->Rdx,pContext->Rcx,pContext->Rax,
 330                         pContext->Rbp,pContext->Rip,pContext->Rsp,
 331                         pContext->R8,pContext->R9,pContext->R10,
 332                         pContext->R11,pContext->R12,pContext->R13,
 333                         pContext->R14,pContext->R15 );
 334 #else
 335         fwprintf( fd, L"\n\n[context]\nEDI:%px\nESI:%px\n" \
 336                     "EBX:%px\nEDX:%px\nECX:%px\nEAX:%px\n" \
 337                     "EBP:%px\nEIP:%px\nESP:%px\n",
 338                         pContext->Edi,pContext->Esi,pContext->Ebx,
 339                         pContext->Edx,pContext->Ecx,pContext->Eax,
 340                         pContext->Ebp,pContext->Eip,pContext->Esp );
 341 #endif
 342
 343         HANDLE hpid = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ,
 344                                         FALSE, GetCurrentProcessId());
 345         if (hpid) {
 346             HMODULE mods[1024];
 347             DWORD size;
 348             if (EnumProcessModules(hpid, mods, sizeof(mods), &size)) {
 349                 fwprintf( fd, L"\n\n[modules]\n" );
 350                 for (unsigned int i = 0; i < size / sizeof(HMODULE); i++) {
 351                     wchar_t module[ 256 ];
 352                     GetModuleFileName(mods[i], module, 256);
 353                     fwprintf( fd, L"%p|%s\n", mods[i], module);
 354                 }
 355             }
 356             CloseHandle(hpid);
 357         }
 358
 359
 360         fwprintf( fd, L"\n[stacktrace]\n#EIP|base|module\n" );
 361
 362 #ifdef WIN64
 363         LPCVOID caller = (LPCVOID)pContext->Rip;
 364         LPVOID *pBase  = (LPVOID*)pContext->Rbp;
 365 #else
 366         LPVOID *pBase  = (LPVOID*)pContext->Ebp;
 367         LPCVOID caller = (LPCVOID)pContext->Eip;
 368 #endif
 369         for( unsigned frame = 0; frame <= 100; frame++ )
 370         {
 371             MEMORY_BASIC_INFORMATION mbi;
 372             wchar_t module[ 256 ];
 373             VirtualQuery( caller, &mbi, sizeof( mbi ) ) ;
 374             GetModuleFileName( mbi.AllocationBase, module, 256 );
 375             fwprintf( fd, L"%p|%s\n", caller, module );
 376
 377             /*The last BP points to NULL!*/
 378             caller = *(pBase + 1);
 379             if( !caller )
 380                 break;
 381             pBase = *pBase;
 382         }
 383
 384         fclose( fd );
 385         fflush( stderr );
 386         exit( 1 );
 387     }
 388 }
 389 #endif