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
 112     argv[j++] = FromWide( L"--media-library" );
 113     argv[j++] = FromWide( L"--no-ignore-config" );
 114     for (int i = 1; i < argc; i++)
 115     {
 116         if(!wcscmp(wargv[i], L"--no-crashdump"))
 117         {
 118             crash_handling = FALSE;
 119             continue; /* don't give argument to libvlc */
 120         }
 121
 122         argv[j++] = FromWide (wargv[i]);
 123     }
 124
 125     argc = j;
 126     argv[argc] = NULL;
 127     LocalFree (wargv);
 128
 129     if(crash_handling)
 130     {
 131         static wchar_t path[MAX_PATH];
 132         if( S_OK != SHGetFolderPathW( NULL, CSIDL_APPDATA | CSIDL_FLAG_CREATE,
 133                     NULL, SHGFP_TYPE_CURRENT, path ) )
 134             fprintf( stderr, "Can't open the vlc conf PATH\n" );
 135         _snwprintf( path+wcslen( path ), MAX_PATH,  L"%s", L"\\vlc\\crashdump" );
 136         crashdump_path = &path[0];
 137
 138         check_crashdump();
 139         SetUnhandledExceptionFilter(vlc_exception_filter);
 140     }
 141
 142     _setmode( STDIN_FILENO, _O_BINARY ); /* Needed for pipes */
 143
 144     /* Initialize libvlc */
 145     libvlc_instance_t *vlc;
 146     vlc = libvlc_new (argc, (const char **)argv);
 147     if (vlc != NULL)
 148     {
 149         libvlc_set_user_agent (vlc, "VLC media player", "VLC/"PACKAGE_VERSION);
 150         libvlc_add_intf (vlc, "hotkeys,none");
 151         libvlc_add_intf (vlc, "globalhotkeys,none");
 152         libvlc_add_intf (vlc, NULL);
 153         libvlc_playlist_play (vlc, -1, 0, NULL);
 154         libvlc_wait (vlc);
 155         libvlc_release (vlc);
 156     }
 157     else
 158         MessageBox (NULL, TEXT("VLC media player could not start.\n"
 159                     "Either the command line options were invalid or no plugins were found.\n"),
 160                     TEXT("VLC media player"),
 161                     MB_OK|MB_ICONERROR);
 162
 163
 164     for (int i = 0; i < argc; i++)
 165         free (argv[i]);
 166
 167     (void)hInstance; (void)hPrevInstance; (void)lpCmdLine; (void)nCmdShow;
 168     return 0;
 169 }
 170
 171 /* Crashdumps handling */
 172 static void check_crashdump(void)
 173 {
 174     FILE * fd = _wfopen ( crashdump_path, L"r, ccs=UTF-8" );
 175     if( !fd )
 176         return;
 177     fclose( fd );
 178
 179     int answer = MessageBox( NULL, L"Ooops: VLC media player just crashed.\n" \
 180     "Would you like to send a bug report to the developers team?",
 181     L"VLC crash reporting", MB_YESNO);
 182
 183     if(answer == IDYES)
 184     {
 185         HINTERNET Hint = InternetOpen(L"VLC Crash Reporter",
 186                 INTERNET_OPEN_TYPE_PRECONFIG, NULL,NULL,0);
 187         if(Hint)
 188         {
 189             HINTERNET ftp = InternetConnect(Hint, L"crash.videolan.org",
 190                         INTERNET_DEFAULT_FTP_PORT, NULL, NULL,
 191                         INTERNET_SERVICE_FTP, INTERNET_FLAG_PASSIVE, 0);
 192             if(ftp)
 193             {
 194                 SYSTEMTIME now;
 195                 GetSystemTime(&now);
 196                 wchar_t remote_file[MAX_PATH];
 197                 _snwprintf(remote_file, MAX_PATH,
 198                         L"/crashes-win32/%04d%02d%02d%02d%02d%02d",
 199                         now.wYear, now.wMonth, now.wDay, now.wHour,
 200                         now.wMinute, now.wSecond );
 201
 202                 if( FtpPutFile( ftp, crashdump_path, remote_file,
 203                             FTP_TRANSFER_TYPE_BINARY, 0) )
 204                     MessageBox( NULL, L"Report sent correctly. Thanks a lot " \
 205                                 "for the help.", L"Report sent", MB_OK);
 206                 else
 207                     MessageBox( NULL, L"There was an error while "\
 208                                 "transferring the data to the FTP server.\n"\
 209                                 "Thanks a lot for the help.",
 210                                 L"Report sending failed", MB_OK);
 211                 InternetCloseHandle(ftp);
 212             }
 213             else
 214             {
 215                 MessageBox( NULL, L"There was an error while connecting to " \
 216                                 "the FTP server. "\
 217                                 "Thanks a lot for the help.",
 218                                 L"Report sending failed", MB_OK);
 219                 fprintf(stderr,"Can't connect to FTP server 0x%08lu\n",
 220                         (unsigned long)GetLastError());
 221             }
 222             InternetCloseHandle(Hint);
 223         }
 224         else
 225         {
 226               MessageBox( NULL, L"There was an error while connecting to the Internet.\n"\
 227                                 "Thanks a lot for the help anyway.",
 228                                 L"Report sending failed", MB_OK);
 229         }
 230     }
 231
 232     _wremove(crashdump_path);
 233 }
 234
 235 /*****************************************************************************
 236  * vlc_exception_filter: handles unhandled exceptions, like segfaults
 237  *****************************************************************************/
 238 LONG WINAPI vlc_exception_filter(struct _EXCEPTION_POINTERS *lpExceptionInfo)
 239 {
 240     if(IsDebuggerPresent())
 241     {
 242         //If a debugger is present, pass the exception to the debugger
 243         //with EXCEPTION_CONTINUE_SEARCH
 244         return EXCEPTION_CONTINUE_SEARCH;
 245     }
 246     else
 247     {
 248         fprintf( stderr, "unhandled vlc exception\n" );
 249
 250         FILE * fd = _wfopen ( crashdump_path, L"w, ccs=UTF-8" );
 251
 252         if( !fd )
 253         {
 254             fprintf( stderr, "\nerror while opening file" );
 255             exit( 1 );
 256         }
 257
 258         OSVERSIONINFO osvi;
 259         ZeroMemory( &osvi, sizeof(OSVERSIONINFO) );
 260         osvi.dwOSVersionInfoSize = sizeof( OSVERSIONINFO );
 261         GetVersionEx( &osvi );
 262
 263         fwprintf( fd, L"[version]\nOS=%d.%d.%d.%d.%s\nVLC=" VERSION_MESSAGE,
 264                 osvi.dwMajorVersion, osvi.dwMinorVersion, osvi.dwBuildNumber,
 265                 osvi.dwPlatformId, osvi.szCSDVersion);
 266
 267         const CONTEXT *const pContext = (const CONTEXT *)
 268             lpExceptionInfo->ContextRecord;
 269         const EXCEPTION_RECORD *const pException = (const EXCEPTION_RECORD *)
 270             lpExceptionInfo->ExceptionRecord;
 271         /* No nested exceptions for now */
 272         fwprintf( fd, L"\n\n[exceptions]\n%08x at %px",
 273                 pException->ExceptionCode, pException->ExceptionAddress );
 274
 275         for( unsigned int i = 0; i < pException->NumberParameters; i++ )
 276             fwprintf( fd, L" | %p", pException->ExceptionInformation[i] );
 277
 278 #ifdef WIN64
 279         fwprintf( fd, L"\n\n[context]\nRDI:%px\nRSI:%px\n" \
 280                     "RBX:%px\nRDX:%px\nRCX:%px\nRAX:%px\n" \
 281                     "RBP:%px\nRIP:%px\nRSP:%px\nR8:%px\n" \
 282                     "R9:%px\nR10:%px\nR11:%px\nR12:%px\n" \
 283                     "R13:%px\nR14:%px\nR15:%px\n",
 284                         pContext->Rdi,pContext->Rsi,pContext->Rbx,
 285                         pContext->Rdx,pContext->Rcx,pContext->Rax,
 286                         pContext->Rbp,pContext->Rip,pContext->Rsp,
 287                         pContext->R8,pContext->R9,pContext->R10,
 288                         pContext->R11,pContext->R12,pContext->R13,
 289                         pContext->R14,pContext->R15 );
 290 #else
 291         fwprintf( fd, L"\n\n[context]\nEDI:%px\nESI:%px\n" \
 292                     "EBX:%px\nEDX:%px\nECX:%px\nEAX:%px\n" \
 293                     "EBP:%px\nEIP:%px\nESP:%px\n",
 294                         pContext->Edi,pContext->Esi,pContext->Ebx,
 295                         pContext->Edx,pContext->Ecx,pContext->Eax,
 296                         pContext->Ebp,pContext->Eip,pContext->Esp );
 297 #endif
 298
 299         fwprintf( fd, L"\n[stacktrace]\n#EIP|base|module\n" );
 300
 301 #ifdef WIN64
 302         LPCVOID caller = (LPCVOID)pContext->Rip;
 303         LPVOID *pBase  = (LPVOID*)pContext->Rbp;
 304 #else
 305         LPVOID *pBase  = (LPVOID*)pContext->Ebp;
 306         LPCVOID caller = (LPCVOID)pContext->Eip;
 307 #endif
 308         for( unsigned frame = 0; frame <= 100; frame++ )
 309         {
 310             MEMORY_BASIC_INFORMATION mbi;
 311             wchar_t module[ 256 ];
 312             VirtualQuery( caller, &mbi, sizeof( mbi ) ) ;
 313             GetModuleFileName( mbi.AllocationBase, module, 256 );
 314             fwprintf( fd, L"%p|%s\n", caller, module );
 315
 316             /*The last BP points to NULL!*/
 317             caller = *(pBase + 1);
 318             if( !caller )
 319                 break;
 320             pBase = *pBase;
 321         }
 322
 323         HANDLE hpid = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ,
 324                                         FALSE, GetCurrentProcessId());
 325         if (hpid) {
 326             HMODULE mods[1024];
 327             DWORD size;
 328             if (EnumProcessModules(hpid, mods, sizeof(mods), &size)) {
 329                 fwprintf( fd, L"\n\n[modules]\n" );
 330                 for (unsigned int i = 0; i < size / sizeof(HMODULE); i++) {
 331                     wchar_t module[ 256 ];
 332                     GetModuleFileName(mods[i], module, 256);
 333                     fwprintf( fd, L"%p|%s\n", mods[i], module);
 334                 }
 335             }
 336             CloseHandle(hpid);
 337         }
 338
 339         fclose( fd );
 340         fflush( stderr );
 341         exit( 1 );
 342     }
 343 }