vlc/bin/winvlc.c
2013-01-15 15:07:17 +01:00

338 lines
12 KiB
C

/*****************************************************************************
* winvlc.c: the Windows VLC media player
*****************************************************************************
* Copyright (C) 1998-2011 the VideoLAN team
*
* Authors: Vincent Seguin <seguin@via.ecp.fr>
* Samuel Hocevar <sam@zoy.org>
* Gildas Bazin <gbazin@videolan.org>
* Derk-Jan Hartman <hartman at videolan dot org>
* Lots of other people, see the libvlc AUTHORS file
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#define UNICODE
#include <vlc/vlc.h>
#include <windows.h>
#include <shellapi.h>
#ifndef _WIN32_IE
# define _WIN32_IE 0x501
#endif
#include <fcntl.h>
#include <io.h>
#include <shlobj.h>
#include <wininet.h>
#define PSAPI_VERSION 1
#include <psapi.h>
#define HeapEnableTerminationOnCorruption (HEAP_INFORMATION_CLASS)1
static void check_crashdump(void);
LONG WINAPI vlc_exception_filter(struct _EXCEPTION_POINTERS *lpExceptionInfo);
static const wchar_t *crashdump_path;
static char *FromWide (const wchar_t *wide)
{
size_t len;
len = WideCharToMultiByte (CP_UTF8, 0, wide, -1, NULL, 0, NULL, NULL);
char *out = (char *)malloc (len);
if (out)
WideCharToMultiByte (CP_UTF8, 0, wide, -1, out, len, NULL, NULL);
return out;
}
int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance,
LPSTR lpCmdLine,
int nCmdShow )
{
int argc;
/* VLC does not change the thread locale, so gettext/libintil will use the
* user default locale as reference. */
/* gettext versions 0.18-0.18.1 will use the Windows Vista locale name
* if the GETTEXT_MUI environment variable is set. If not set or if running
* on Windows 2000/XP/2003 an hard-coded language ID list is used. This
* putenv() call may become redundant with later versions of gettext. */
putenv("GETTEXT_MUI=1");
#ifdef TOP_BUILDDIR
putenv("VLC_PLUGIN_PATH=Z:"TOP_BUILDDIR"/modules");
putenv("VLC_DATA_PATH=Z:"TOP_SRCDIR"/share");
#endif
HeapSetInformation(NULL, HeapEnableTerminationOnCorruption, NULL, 0);
/* SetProcessDEPPolicy */
HINSTANCE h_Kernel32 = LoadLibraryW(L"kernel32.dll");
if(h_Kernel32)
{
BOOL (WINAPI * mySetProcessDEPPolicy)( DWORD dwFlags);
BOOL (WINAPI * mySetDllDirectoryA)(const char* lpPathName);
# define PROCESS_DEP_ENABLE 1
mySetProcessDEPPolicy = (BOOL WINAPI (*)(DWORD))
GetProcAddress(h_Kernel32, "SetProcessDEPPolicy");
if(mySetProcessDEPPolicy)
mySetProcessDEPPolicy(PROCESS_DEP_ENABLE);
/* Do NOT load any library from cwd. */
mySetDllDirectoryA = (BOOL WINAPI (*)(const char*))
GetProcAddress(h_Kernel32, "SetDllDirectoryA");
if(mySetDllDirectoryA)
mySetDllDirectoryA("");
FreeLibrary(h_Kernel32);
}
/* Args */
wchar_t **wargv = CommandLineToArgvW (GetCommandLine (), &argc);
if (wargv == NULL)
return 1;
char *argv[argc + 3];
BOOL crash_handling = TRUE;
int j = 0;
argv[j++] = FromWide( L"--media-library" );
argv[j++] = FromWide( L"--no-ignore-config" );
for (int i = 1; i < argc; i++)
{
if(!wcscmp(wargv[i], L"--no-crashdump"))
{
crash_handling = FALSE;
continue; /* don't give argument to libvlc */
}
argv[j++] = FromWide (wargv[i]);
}
argc = j;
argv[argc] = NULL;
LocalFree (wargv);
if(crash_handling)
{
static wchar_t path[MAX_PATH];
if( S_OK != SHGetFolderPathW( NULL, CSIDL_APPDATA | CSIDL_FLAG_CREATE,
NULL, SHGFP_TYPE_CURRENT, path ) )
fprintf( stderr, "Can't open the vlc conf PATH\n" );
_snwprintf( path+wcslen( path ), MAX_PATH, L"%s", L"\\vlc\\crashdump" );
crashdump_path = &path[0];
check_crashdump();
SetUnhandledExceptionFilter(vlc_exception_filter);
}
_setmode( STDIN_FILENO, _O_BINARY ); /* Needed for pipes */
/* Initialize libvlc */
libvlc_instance_t *vlc;
vlc = libvlc_new (argc, (const char **)argv);
if (vlc != NULL)
{
libvlc_set_user_agent (vlc, "VLC media player", "VLC/"PACKAGE_VERSION);
libvlc_add_intf (vlc, "hotkeys,none");
libvlc_add_intf (vlc, "globalhotkeys,none");
libvlc_add_intf (vlc, NULL);
libvlc_playlist_play (vlc, -1, 0, NULL);
libvlc_wait (vlc);
libvlc_release (vlc);
}
for (int i = 0; i < argc; i++)
free (argv[i]);
(void)hInstance; (void)hPrevInstance; (void)lpCmdLine; (void)nCmdShow;
return 0;
}
/* Crashdumps handling */
static void check_crashdump(void)
{
FILE * fd = _wfopen ( crashdump_path, L"r, ccs=UTF-8" );
if( !fd )
return;
fclose( fd );
int answer = MessageBox( NULL, L"Ooops: VLC media player just crashed.\n" \
"Would you like to send a bug report to the developers team?",
L"VLC crash reporting", MB_YESNO);
if(answer == IDYES)
{
HINTERNET Hint = InternetOpen(L"VLC Crash Reporter",
INTERNET_OPEN_TYPE_PRECONFIG, NULL,NULL,0);
if(Hint)
{
HINTERNET ftp = InternetConnect(Hint, L"crash.videolan.org",
INTERNET_DEFAULT_FTP_PORT, NULL, NULL,
INTERNET_SERVICE_FTP, INTERNET_FLAG_PASSIVE, 0);
if(ftp)
{
SYSTEMTIME now;
GetSystemTime(&now);
wchar_t remote_file[MAX_PATH];
_snwprintf(remote_file, MAX_PATH,
L"/crashes-win32/%04d%02d%02d%02d%02d%02d",
now.wYear, now.wMonth, now.wDay, now.wHour,
now.wMinute, now.wSecond );
if( FtpPutFile( ftp, crashdump_path, remote_file,
FTP_TRANSFER_TYPE_BINARY, 0) )
MessageBox( NULL, L"Report sent correctly. Thanks a lot " \
"for the help.", L"Report sent", MB_OK);
else
MessageBox( NULL, L"There was an error while "\
"transferring the data to the FTP server.\n"\
"Thanks a lot for the help.",
L"Report sending failed", MB_OK);
InternetCloseHandle(ftp);
}
else
{
MessageBox( NULL, L"There was an error while connecting to " \
"the FTP server. "\
"Thanks a lot for the help.",
L"Report sending failed", MB_OK);
fprintf(stderr,"Can't connect to FTP server 0x%08lu\n",
(unsigned long)GetLastError());
}
InternetCloseHandle(Hint);
}
else
{
MessageBox( NULL, L"There was an error while connecting to the Internet.\n"\
"Thanks a lot for the help anyway.",
L"Report sending failed", MB_OK);
}
}
_wremove(crashdump_path);
}
/*****************************************************************************
* vlc_exception_filter: handles unhandled exceptions, like segfaults
*****************************************************************************/
LONG WINAPI vlc_exception_filter(struct _EXCEPTION_POINTERS *lpExceptionInfo)
{
if(IsDebuggerPresent())
{
//If a debugger is present, pass the exception to the debugger
//with EXCEPTION_CONTINUE_SEARCH
return EXCEPTION_CONTINUE_SEARCH;
}
else
{
fprintf( stderr, "unhandled vlc exception\n" );
FILE * fd = _wfopen ( crashdump_path, L"w, ccs=UTF-8" );
if( !fd )
{
fprintf( stderr, "\nerror while opening file" );
exit( 1 );
}
OSVERSIONINFO osvi;
ZeroMemory( &osvi, sizeof(OSVERSIONINFO) );
osvi.dwOSVersionInfoSize = sizeof( OSVERSIONINFO );
GetVersionEx( &osvi );
fwprintf( fd, L"[version]\nOS=%d.%d.%d.%d.%s\nVLC=" VERSION_MESSAGE,
osvi.dwMajorVersion, osvi.dwMinorVersion, osvi.dwBuildNumber,
osvi.dwPlatformId, osvi.szCSDVersion);
const CONTEXT *const pContext = (const CONTEXT *)
lpExceptionInfo->ContextRecord;
const EXCEPTION_RECORD *const pException = (const EXCEPTION_RECORD *)
lpExceptionInfo->ExceptionRecord;
/* No nested exceptions for now */
fwprintf( fd, L"\n\n[exceptions]\n%08x at %px",
pException->ExceptionCode, pException->ExceptionAddress );
for( unsigned int i = 0; i < pException->NumberParameters; i++ )
fwprintf( fd, L" | %p", pException->ExceptionInformation[i] );
#ifdef WIN64
fwprintf( fd, L"\n\n[context]\nRDI:%px\nRSI:%px\n" \
"RBX:%px\nRDX:%px\nRCX:%px\nRAX:%px\n" \
"RBP:%px\nRIP:%px\nRSP:%px\nR8:%px\n" \
"R9:%px\nR10:%px\nR11:%px\nR12:%px\n" \
"R13:%px\nR14:%px\nR15:%px\n",
pContext->Rdi,pContext->Rsi,pContext->Rbx,
pContext->Rdx,pContext->Rcx,pContext->Rax,
pContext->Rbp,pContext->Rip,pContext->Rsp,
pContext->R8,pContext->R9,pContext->R10,
pContext->R11,pContext->R12,pContext->R13,
pContext->R14,pContext->R15 );
#else
fwprintf( fd, L"\n\n[context]\nEDI:%px\nESI:%px\n" \
"EBX:%px\nEDX:%px\nECX:%px\nEAX:%px\n" \
"EBP:%px\nEIP:%px\nESP:%px\n",
pContext->Edi,pContext->Esi,pContext->Ebx,
pContext->Edx,pContext->Ecx,pContext->Eax,
pContext->Ebp,pContext->Eip,pContext->Esp );
#endif
fwprintf( fd, L"\n[stacktrace]\n#EIP|base|module\n" );
#ifdef WIN64
LPCVOID caller = (LPCVOID)pContext->Rip;
LPVOID *pBase = (LPVOID*)pContext->Rbp;
#else
LPVOID *pBase = (LPVOID*)pContext->Ebp;
LPCVOID caller = (LPCVOID)pContext->Eip;
#endif
for( unsigned frame = 0; frame <= 100; frame++ )
{
MEMORY_BASIC_INFORMATION mbi;
wchar_t module[ 256 ];
VirtualQuery( caller, &mbi, sizeof( mbi ) ) ;
GetModuleFileName( mbi.AllocationBase, module, 256 );
fwprintf( fd, L"%p|%s\n", caller, module );
/*The last BP points to NULL!*/
caller = *(pBase + 1);
if( !caller )
break;
pBase = *pBase;
}
HANDLE hpid = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ,
FALSE, GetCurrentProcessId());
if (hpid) {
HMODULE mods[1024];
DWORD size;
if (EnumProcessModules(hpid, mods, sizeof(mods), &size)) {
fwprintf( fd, L"\n\n[modules]\n" );
for (unsigned int i = 0; i < size / sizeof(HMODULE); i++) {
wchar_t module[ 256 ];
GetModuleFileName(mods[i], module, 256);
fwprintf( fd, L"%p|%s\n", mods[i], module);
}
}
CloseHandle(hpid);
}
fclose( fd );
fflush( stderr );
exit( 1 );
}
}