2005-12-05 10:36:39 +01:00
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/*****************************************************************************
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* tcp.c:
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*****************************************************************************
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* Copyright (C) 2004-2005 the VideoLAN team
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2006-03-09 23:57:30 +01:00
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* Copyright (C) 2005-2006 Rémi Denis-Courmont
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2005-12-05 10:36:39 +01:00
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* $Id$
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*
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* Authors: Laurent Aimar <fenrir@videolan.org>
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* Rémi Denis-Courmont <rem # videolan.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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2006-01-13 00:10:04 +01:00
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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2005-12-05 10:36:39 +01:00
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*****************************************************************************/
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/*****************************************************************************
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* Preamble
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*****************************************************************************/
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2008-01-23 22:50:58 +01:00
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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2008-05-31 20:56:22 +02:00
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#include <vlc_common.h>
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2005-12-05 10:36:39 +01:00
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#include <errno.h>
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2008-01-24 17:08:13 +01:00
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#include <assert.h>
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2005-12-05 10:36:39 +01:00
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#ifdef HAVE_FCNTL_H
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# include <fcntl.h>
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#endif
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#ifdef HAVE_SYS_TIME_H
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# include <sys/time.h>
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#endif
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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2007-02-21 19:19:11 +01:00
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#ifdef HAVE_POLL
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# include <poll.h>
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#endif
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2005-12-05 10:36:39 +01:00
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2006-11-26 15:20:34 +01:00
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#include <vlc_network.h>
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2006-03-09 23:57:30 +01:00
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#if defined (WIN32) || defined (UNDER_CE)
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# undef EINPROGRESS
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# define EINPROGRESS WSAEWOULDBLOCK
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2009-01-03 21:59:33 +01:00
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# undef EWOULDBLOCK
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# define EWOULDBLOCK WSAEWOULDBLOCK
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2006-03-09 23:57:30 +01:00
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# undef EINTR
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# define EINTR WSAEINTR
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# undef ETIMEDOUT
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# define ETIMEDOUT WSAETIMEDOUT
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#endif
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2005-12-05 10:36:39 +01:00
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2008-10-05 15:11:00 +02:00
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#include "libvlc.h" /* vlc_object_waitpipe */
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2008-06-08 16:52:43 +02:00
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static int SocksNegotiate( vlc_object_t *, int fd, int i_socks_version,
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2007-09-16 11:32:30 +02:00
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const char *psz_user, const char *psz_passwd );
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2005-12-05 10:36:39 +01:00
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static int SocksHandshakeTCP( vlc_object_t *,
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int fd, int i_socks_version,
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2007-09-16 11:32:30 +02:00
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const char *psz_user, const char *psz_passwd,
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2005-12-05 10:36:39 +01:00
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const char *psz_host, int i_port );
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extern int net_Socket( vlc_object_t *p_this, int i_family, int i_socktype,
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int i_protocol );
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/*****************************************************************************
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2007-02-14 20:38:57 +01:00
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* __net_Connect:
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2005-12-05 10:36:39 +01:00
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*****************************************************************************
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2007-02-14 20:38:57 +01:00
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* Open a network connection.
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* @return socket handler or -1 on error.
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2005-12-05 10:36:39 +01:00
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*****************************************************************************/
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2007-02-14 20:38:57 +01:00
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int __net_Connect( vlc_object_t *p_this, const char *psz_host, int i_port,
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int type, int proto )
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2005-12-05 10:36:39 +01:00
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{
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struct addrinfo hints, *res, *ptr;
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const char *psz_realhost;
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char *psz_socks;
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2007-09-05 21:58:01 +02:00
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int i_realport, i_val, i_handle = -1;
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2005-12-05 10:36:39 +01:00
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2008-02-03 20:09:45 +01:00
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int evfd = vlc_object_waitpipe (p_this);
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if (evfd == -1)
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return -1;
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2005-12-05 10:36:39 +01:00
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memset( &hints, 0, sizeof( hints ) );
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hints.ai_socktype = SOCK_STREAM;
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2007-08-18 19:55:51 +02:00
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psz_socks = var_CreateGetNonEmptyString( p_this, "socks" );
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if( psz_socks != NULL )
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2005-12-05 10:36:39 +01:00
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{
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char *psz = strchr( psz_socks, ':' );
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if( psz )
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*psz++ = '\0';
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psz_realhost = psz_socks;
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i_realport = ( psz != NULL ) ? atoi( psz ) : 1080;
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2007-09-05 21:51:21 +02:00
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hints.ai_flags &= ~AI_NUMERICHOST;
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2005-12-05 10:36:39 +01:00
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2007-09-05 21:58:01 +02:00
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msg_Dbg( p_this, "net: connecting to %s port %d (SOCKS) "
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"for %s port %d", psz_realhost, i_realport,
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psz_host, i_port );
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2007-08-18 19:55:51 +02:00
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/* We only implement TCP with SOCKS */
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switch( type )
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{
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case 0:
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type = SOCK_STREAM;
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case SOCK_STREAM:
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break;
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default:
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msg_Err( p_this, "Socket type not supported through SOCKS" );
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free( psz_socks );
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return -1;
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}
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switch( proto )
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{
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case 0:
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proto = IPPROTO_TCP;
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case IPPROTO_TCP:
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break;
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default:
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msg_Err( p_this, "Transport not supported through SOCKS" );
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free( psz_socks );
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return -1;
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}
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2005-12-05 10:36:39 +01:00
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}
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else
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{
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psz_realhost = psz_host;
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i_realport = i_port;
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msg_Dbg( p_this, "net: connecting to %s port %d", psz_realhost,
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i_realport );
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}
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i_val = vlc_getaddrinfo( p_this, psz_realhost, i_realport, &hints, &res );
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2007-08-18 19:55:51 +02:00
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free( psz_socks );
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2005-12-05 10:36:39 +01:00
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if( i_val )
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{
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msg_Err( p_this, "cannot resolve %s port %d : %s", psz_realhost,
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i_realport, vlc_gai_strerror( i_val ) );
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return -1;
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}
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2006-03-09 23:57:30 +01:00
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for( ptr = res; ptr != NULL; ptr = ptr->ai_next )
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2005-12-05 10:36:39 +01:00
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{
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2007-02-14 20:38:57 +01:00
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int fd = net_Socket( p_this, ptr->ai_family, type ?: ptr->ai_socktype,
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proto ?: ptr->ai_protocol );
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2005-12-05 10:36:39 +01:00
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if( fd == -1 )
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2006-03-09 23:57:30 +01:00
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{
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2007-09-18 17:44:47 +02:00
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msg_Dbg( p_this, "socket error: %m" );
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2005-12-05 10:36:39 +01:00
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continue;
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2006-03-09 23:57:30 +01:00
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}
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2005-12-05 10:36:39 +01:00
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if( connect( fd, ptr->ai_addr, ptr->ai_addrlen ) )
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{
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2008-02-03 20:09:45 +01:00
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int timeout, val;
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2005-12-05 10:36:39 +01:00
|
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|
2008-06-12 19:16:55 +02:00
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if( net_errno != EINPROGRESS && net_errno != EINTR )
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2005-12-05 10:36:39 +01:00
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{
|
2007-09-18 17:44:47 +02:00
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msg_Err( p_this, "connection failed: %m" );
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2006-03-09 23:57:30 +01:00
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goto next_ai;
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2005-12-05 10:36:39 +01:00
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}
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2007-09-26 20:47:34 +02:00
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msg_Dbg( p_this, "connection: %m" );
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2005-12-05 10:36:39 +01:00
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|
2008-02-03 20:09:45 +01:00
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timeout = var_CreateGetInteger (p_this, "ipv4-timeout");
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if (timeout < 0)
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2005-12-05 10:36:39 +01:00
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{
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msg_Err( p_this, "invalid negative value for ipv4-timeout" );
|
2008-02-03 20:09:45 +01:00
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timeout = 0;
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2005-12-05 10:36:39 +01:00
|
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}
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|
2008-02-03 20:09:45 +01:00
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struct pollfd ufd[2] = {
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|
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{ .fd = fd, .events = POLLOUT },
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{ .fd = evfd, .events = POLLIN },
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};
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do
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|
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/* NOTE: timeout screwed up if we catch a signal (EINTR) */
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val = poll (ufd, sizeof (ufd) / sizeof (ufd[0]), timeout);
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while ((val == -1) && (net_errno == EINTR));
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switch (val)
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2005-12-05 10:36:39 +01:00
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{
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2008-02-03 20:09:45 +01:00
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case -1: /* error */
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msg_Err (p_this, "connection polling error: %m");
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goto next_ai;
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case 0: /* timeout */
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msg_Warn (p_this, "connection timed out");
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goto next_ai;
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default: /* something happended */
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if (ufd[1].revents)
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goto next_ai; /* LibVLC object killed */
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2005-12-05 10:36:39 +01:00
|
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}
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|
2008-02-03 20:09:45 +01:00
|
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/* There is NO WAY around checking SO_ERROR.
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* Don't ifdef it out!!! */
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|
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if (getsockopt (fd, SOL_SOCKET, SO_ERROR, &val,
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&(socklen_t){ sizeof (val) }) || val)
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2005-12-05 10:36:39 +01:00
|
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{
|
2008-02-03 20:09:45 +01:00
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errno = val;
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msg_Err (p_this, "connection failed: %m");
|
2006-03-09 23:57:30 +01:00
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goto next_ai;
|
2005-12-05 10:36:39 +01:00
|
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}
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|
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}
|
2006-03-09 23:57:30 +01:00
|
|
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|
2007-09-26 20:47:34 +02:00
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msg_Dbg( p_this, "connection succeeded (socket = %d)", fd );
|
2005-12-05 10:36:39 +01:00
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i_handle = fd; /* success! */
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2006-03-09 23:57:30 +01:00
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break;
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next_ai: /* failure */
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net_Close( fd );
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continue;
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2005-12-05 10:36:39 +01:00
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}
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vlc_freeaddrinfo( res );
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if( i_handle == -1 )
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return -1;
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|
2007-08-18 19:55:51 +02:00
|
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if( psz_socks != NULL )
|
2005-12-05 10:36:39 +01:00
|
|
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{
|
2007-08-18 19:55:51 +02:00
|
|
|
/* NOTE: psz_socks already free'd! */
|
2007-09-16 11:32:30 +02:00
|
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|
char *psz_user = var_CreateGetNonEmptyString( p_this, "socks-user" );
|
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|
|
char *psz_pwd = var_CreateGetNonEmptyString( p_this, "socks-pwd" );
|
2005-12-05 10:36:39 +01:00
|
|
|
|
|
|
|
if( SocksHandshakeTCP( p_this, i_handle, 5, psz_user, psz_pwd,
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|
|
psz_host, i_port ) )
|
|
|
|
{
|
2007-09-05 21:58:01 +02:00
|
|
|
msg_Err( p_this, "SOCKS handshake failed" );
|
2005-12-05 10:36:39 +01:00
|
|
|
net_Close( i_handle );
|
|
|
|
i_handle = -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
free( psz_user );
|
|
|
|
free( psz_pwd );
|
|
|
|
}
|
|
|
|
|
|
|
|
return i_handle;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2008-01-21 18:12:41 +01:00
|
|
|
int net_AcceptSingle (vlc_object_t *obj, int lfd)
|
|
|
|
{
|
2008-06-12 19:22:03 +02:00
|
|
|
int fd;
|
|
|
|
do
|
|
|
|
fd = accept (lfd, NULL, NULL);
|
|
|
|
while (fd == -1 && errno == EINTR);
|
|
|
|
|
2008-01-21 18:12:41 +01:00
|
|
|
if (fd == -1)
|
|
|
|
{
|
2009-01-03 21:59:33 +01:00
|
|
|
if (net_errno != EAGAIN && net_errno != EWOULDBLOCK)
|
2008-01-21 18:12:41 +01:00
|
|
|
msg_Err (obj, "accept failed (from socket %d): %m", lfd);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
msg_Dbg (obj, "accepted socket %d (from socket %d)", fd, lfd);
|
|
|
|
net_SetupSocket (fd);
|
2008-01-28 17:56:48 +01:00
|
|
|
return fd;
|
2008-01-21 18:12:41 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2005-12-05 10:36:39 +01:00
|
|
|
/*****************************************************************************
|
|
|
|
* __net_Accept:
|
|
|
|
*****************************************************************************
|
|
|
|
* Accept a connection on a set of listening sockets and return it
|
|
|
|
*****************************************************************************/
|
2007-09-19 17:49:16 +02:00
|
|
|
int __net_Accept( vlc_object_t *p_this, int *pi_fd, mtime_t i_wait )
|
2005-12-05 10:36:39 +01:00
|
|
|
{
|
2008-01-16 18:51:21 +01:00
|
|
|
int timeout = (i_wait < 0) ? -1 : i_wait / 1000;
|
2008-02-03 20:09:45 +01:00
|
|
|
int evfd = vlc_object_waitpipe (p_this);
|
2005-12-05 10:36:39 +01:00
|
|
|
|
2008-02-03 20:09:45 +01:00
|
|
|
assert( pi_fd != NULL );
|
2008-01-16 18:51:21 +01:00
|
|
|
|
2008-01-21 21:35:19 +01:00
|
|
|
for (;;)
|
2005-12-05 10:36:39 +01:00
|
|
|
{
|
2007-02-21 19:19:11 +01:00
|
|
|
unsigned n = 0;
|
|
|
|
while (pi_fd[n] != -1)
|
|
|
|
n++;
|
2008-01-16 18:51:21 +01:00
|
|
|
struct pollfd ufd[n + 1];
|
2005-12-05 10:36:39 +01:00
|
|
|
|
|
|
|
/* Initialize file descriptor set */
|
2008-01-16 18:51:21 +01:00
|
|
|
for (unsigned i = 0; i <= n; i++)
|
2005-12-05 10:36:39 +01:00
|
|
|
{
|
2008-01-16 18:51:21 +01:00
|
|
|
ufd[i].fd = (i < n) ? pi_fd[i] : evfd;
|
2007-02-21 19:19:11 +01:00
|
|
|
ufd[i].events = POLLIN;
|
|
|
|
ufd[i].revents = 0;
|
2005-12-05 10:36:39 +01:00
|
|
|
}
|
|
|
|
|
2009-01-18 10:29:09 +01:00
|
|
|
switch (poll (ufd, n + (evfd != -1), timeout))
|
2005-12-05 10:36:39 +01:00
|
|
|
{
|
2007-02-21 19:19:11 +01:00
|
|
|
case -1:
|
2008-06-12 19:22:03 +02:00
|
|
|
if (net_errno == EINTR)
|
|
|
|
continue;
|
|
|
|
msg_Err (p_this, "poll error: %m");
|
|
|
|
return -1;
|
2007-02-21 19:19:11 +01:00
|
|
|
case 0:
|
2008-06-12 19:22:03 +02:00
|
|
|
errno = ETIMEDOUT;
|
|
|
|
return -1;
|
2008-01-16 18:51:21 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
if (ufd[n].revents)
|
|
|
|
{
|
|
|
|
errno = EINTR;
|
|
|
|
break;
|
2005-12-05 10:36:39 +01:00
|
|
|
}
|
|
|
|
|
2007-02-21 19:19:11 +01:00
|
|
|
for (unsigned i = 0; i < n; i++)
|
2005-12-05 10:36:39 +01:00
|
|
|
{
|
2007-02-21 19:19:11 +01:00
|
|
|
if (ufd[i].revents == 0)
|
2005-12-05 10:36:39 +01:00
|
|
|
continue;
|
|
|
|
|
2007-02-21 19:19:11 +01:00
|
|
|
int sfd = ufd[i].fd;
|
2008-01-21 18:12:41 +01:00
|
|
|
int fd = net_AcceptSingle (p_this, sfd);
|
2007-02-21 19:19:11 +01:00
|
|
|
if (fd == -1)
|
2007-02-11 18:41:02 +01:00
|
|
|
continue;
|
|
|
|
|
|
|
|
/*
|
2007-02-21 19:19:11 +01:00
|
|
|
* Move listening socket to the end to let the others in the
|
|
|
|
* set a chance next time.
|
2007-02-11 18:41:02 +01:00
|
|
|
*/
|
2007-02-21 19:19:11 +01:00
|
|
|
memmove (pi_fd + i, pi_fd + i + 1, n - (i + 1));
|
|
|
|
pi_fd[n - 1] = sfd;
|
2007-02-11 18:55:28 +01:00
|
|
|
return fd;
|
2005-12-05 10:36:39 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*****************************************************************************
|
2008-06-08 16:52:43 +02:00
|
|
|
* SocksNegotiate:
|
2005-12-05 10:36:39 +01:00
|
|
|
*****************************************************************************
|
2008-06-08 16:52:43 +02:00
|
|
|
* Negotiate authentication with a SOCKS server.
|
2005-12-05 10:36:39 +01:00
|
|
|
*****************************************************************************/
|
2008-06-08 16:52:43 +02:00
|
|
|
static int SocksNegotiate( vlc_object_t *p_obj,
|
2005-12-05 10:36:39 +01:00
|
|
|
int fd, int i_socks_version,
|
2007-09-16 11:32:30 +02:00
|
|
|
const char *psz_socks_user,
|
|
|
|
const char *psz_socks_passwd )
|
2005-12-05 10:36:39 +01:00
|
|
|
{
|
|
|
|
uint8_t buffer[128+2*256];
|
|
|
|
int i_len;
|
2008-04-14 00:08:29 +02:00
|
|
|
bool b_auth = false;
|
2005-12-05 10:36:39 +01:00
|
|
|
|
|
|
|
if( i_socks_version != 5 )
|
|
|
|
return VLC_SUCCESS;
|
|
|
|
|
2008-06-08 16:52:43 +02:00
|
|
|
/* We negotiate authentication */
|
2005-12-05 10:36:39 +01:00
|
|
|
|
2007-09-16 11:32:30 +02:00
|
|
|
if( ( psz_socks_user == NULL ) && ( psz_socks_passwd == NULL ) )
|
2008-04-14 00:08:29 +02:00
|
|
|
b_auth = true;
|
2005-12-05 10:36:39 +01:00
|
|
|
|
|
|
|
buffer[0] = i_socks_version; /* SOCKS version */
|
|
|
|
if( b_auth )
|
|
|
|
{
|
|
|
|
buffer[1] = 2; /* Number of methods */
|
|
|
|
buffer[2] = 0x00; /* - No auth required */
|
|
|
|
buffer[3] = 0x02; /* - USer/Password */
|
|
|
|
i_len = 4;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
buffer[1] = 1; /* Number of methods */
|
|
|
|
buffer[2] = 0x00; /* - No auth required */
|
|
|
|
i_len = 3;
|
|
|
|
}
|
|
|
|
|
|
|
|
if( net_Write( p_obj, fd, NULL, buffer, i_len ) != i_len )
|
|
|
|
return VLC_EGENERIC;
|
2008-04-14 00:08:29 +02:00
|
|
|
if( net_Read( p_obj, fd, NULL, buffer, 2, true ) != 2 )
|
2005-12-05 10:36:39 +01:00
|
|
|
return VLC_EGENERIC;
|
|
|
|
|
|
|
|
msg_Dbg( p_obj, "socks: v=%d method=%x", buffer[0], buffer[1] );
|
|
|
|
|
|
|
|
if( buffer[1] == 0x00 )
|
|
|
|
{
|
|
|
|
msg_Dbg( p_obj, "socks: no authentication required" );
|
|
|
|
}
|
|
|
|
else if( buffer[1] == 0x02 )
|
|
|
|
{
|
|
|
|
int i_len1 = __MIN( strlen(psz_socks_user), 255 );
|
|
|
|
int i_len2 = __MIN( strlen(psz_socks_passwd), 255 );
|
|
|
|
msg_Dbg( p_obj, "socks: username/password authentication" );
|
|
|
|
|
|
|
|
/* XXX: we don't support user/pwd > 255 (truncated)*/
|
|
|
|
buffer[0] = i_socks_version; /* Version */
|
|
|
|
buffer[1] = i_len1; /* User length */
|
|
|
|
memcpy( &buffer[2], psz_socks_user, i_len1 );
|
|
|
|
buffer[2+i_len1] = i_len2; /* Password length */
|
|
|
|
memcpy( &buffer[2+i_len1+1], psz_socks_passwd, i_len2 );
|
|
|
|
|
|
|
|
i_len = 3 + i_len1 + i_len2;
|
|
|
|
|
|
|
|
if( net_Write( p_obj, fd, NULL, buffer, i_len ) != i_len )
|
|
|
|
return VLC_EGENERIC;
|
|
|
|
|
2008-04-14 00:08:29 +02:00
|
|
|
if( net_Read( p_obj, fd, NULL, buffer, 2, true ) != 2 )
|
2005-12-05 10:36:39 +01:00
|
|
|
return VLC_EGENERIC;
|
|
|
|
|
|
|
|
msg_Dbg( p_obj, "socks: v=%d status=%x", buffer[0], buffer[1] );
|
|
|
|
if( buffer[1] != 0x00 )
|
|
|
|
{
|
|
|
|
msg_Err( p_obj, "socks: authentication rejected" );
|
|
|
|
return VLC_EGENERIC;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
if( b_auth )
|
|
|
|
msg_Err( p_obj, "socks: unsupported authentication method %x",
|
|
|
|
buffer[0] );
|
|
|
|
else
|
|
|
|
msg_Err( p_obj, "socks: authentification needed" );
|
|
|
|
return VLC_EGENERIC;
|
|
|
|
}
|
|
|
|
|
|
|
|
return VLC_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*****************************************************************************
|
|
|
|
* SocksHandshakeTCP:
|
|
|
|
*****************************************************************************
|
|
|
|
* Open a TCP connection using a SOCKS server and return a handle (RFC 1928)
|
|
|
|
*****************************************************************************/
|
|
|
|
static int SocksHandshakeTCP( vlc_object_t *p_obj,
|
|
|
|
int fd,
|
|
|
|
int i_socks_version,
|
2007-09-16 11:32:30 +02:00
|
|
|
const char *psz_user, const char *psz_passwd,
|
2005-12-05 10:36:39 +01:00
|
|
|
const char *psz_host, int i_port )
|
|
|
|
{
|
|
|
|
uint8_t buffer[128+2*256];
|
|
|
|
|
|
|
|
if( i_socks_version != 4 && i_socks_version != 5 )
|
|
|
|
{
|
|
|
|
msg_Warn( p_obj, "invalid socks protocol version %d", i_socks_version );
|
|
|
|
i_socks_version = 5;
|
|
|
|
}
|
|
|
|
|
2007-09-10 20:56:52 +02:00
|
|
|
if( i_socks_version == 5 &&
|
2008-06-08 16:52:43 +02:00
|
|
|
SocksNegotiate( p_obj, fd, i_socks_version,
|
2007-09-16 11:32:30 +02:00
|
|
|
psz_user, psz_passwd ) )
|
2005-12-05 10:36:39 +01:00
|
|
|
return VLC_EGENERIC;
|
|
|
|
|
|
|
|
if( i_socks_version == 4 )
|
|
|
|
{
|
2006-04-11 17:26:28 +02:00
|
|
|
struct addrinfo hints, *p_res;
|
2005-12-05 10:36:39 +01:00
|
|
|
|
|
|
|
/* v4 only support ipv4 */
|
2007-09-16 11:32:30 +02:00
|
|
|
memset (&hints, 0, sizeof (hints));
|
2005-12-05 10:36:39 +01:00
|
|
|
hints.ai_family = AF_INET;
|
|
|
|
if( vlc_getaddrinfo( p_obj, psz_host, 0, &hints, &p_res ) )
|
|
|
|
return VLC_EGENERIC;
|
|
|
|
|
|
|
|
buffer[0] = i_socks_version;
|
|
|
|
buffer[1] = 0x01; /* CONNECT */
|
|
|
|
SetWBE( &buffer[2], i_port ); /* Port */
|
|
|
|
memcpy( &buffer[4], /* Address */
|
|
|
|
&((struct sockaddr_in *)(p_res->ai_addr))->sin_addr, 4 );
|
|
|
|
vlc_freeaddrinfo( p_res );
|
|
|
|
|
|
|
|
buffer[8] = 0; /* Empty user id */
|
|
|
|
|
|
|
|
if( net_Write( p_obj, fd, NULL, buffer, 9 ) != 9 )
|
|
|
|
return VLC_EGENERIC;
|
2008-04-14 00:08:29 +02:00
|
|
|
if( net_Read( p_obj, fd, NULL, buffer, 8, true ) != 8 )
|
2005-12-05 10:36:39 +01:00
|
|
|
return VLC_EGENERIC;
|
|
|
|
|
|
|
|
msg_Dbg( p_obj, "socks: v=%d cd=%d",
|
|
|
|
buffer[0], buffer[1] );
|
|
|
|
|
|
|
|
if( buffer[1] != 90 )
|
|
|
|
return VLC_EGENERIC;
|
|
|
|
}
|
|
|
|
else if( i_socks_version == 5 )
|
|
|
|
{
|
|
|
|
int i_hlen = __MIN(strlen( psz_host ), 255);
|
|
|
|
int i_len;
|
|
|
|
|
|
|
|
buffer[0] = i_socks_version; /* Version */
|
|
|
|
buffer[1] = 0x01; /* Cmd: connect */
|
|
|
|
buffer[2] = 0x00; /* Reserved */
|
|
|
|
buffer[3] = 3; /* ATYP: for now domainname */
|
|
|
|
|
|
|
|
buffer[4] = i_hlen;
|
|
|
|
memcpy( &buffer[5], psz_host, i_hlen );
|
|
|
|
SetWBE( &buffer[5+i_hlen], i_port );
|
|
|
|
|
|
|
|
i_len = 5 + i_hlen + 2;
|
|
|
|
|
|
|
|
|
|
|
|
if( net_Write( p_obj, fd, NULL, buffer, i_len ) != i_len )
|
|
|
|
return VLC_EGENERIC;
|
|
|
|
|
|
|
|
/* Read the header */
|
2008-04-14 00:08:29 +02:00
|
|
|
if( net_Read( p_obj, fd, NULL, buffer, 5, true ) != 5 )
|
2005-12-05 10:36:39 +01:00
|
|
|
return VLC_EGENERIC;
|
|
|
|
|
|
|
|
msg_Dbg( p_obj, "socks: v=%d rep=%d atyp=%d",
|
|
|
|
buffer[0], buffer[1], buffer[3] );
|
|
|
|
|
|
|
|
if( buffer[1] != 0x00 )
|
|
|
|
{
|
|
|
|
msg_Err( p_obj, "socks: CONNECT request failed\n" );
|
|
|
|
return VLC_EGENERIC;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Read the remaining bytes */
|
|
|
|
if( buffer[3] == 0x01 )
|
|
|
|
i_len = 4-1 + 2;
|
|
|
|
else if( buffer[3] == 0x03 )
|
|
|
|
i_len = buffer[4] + 2;
|
|
|
|
else if( buffer[3] == 0x04 )
|
|
|
|
i_len = 16-1+2;
|
2007-09-10 20:56:52 +02:00
|
|
|
else
|
2005-12-05 10:36:39 +01:00
|
|
|
return VLC_EGENERIC;
|
|
|
|
|
2008-04-14 00:08:29 +02:00
|
|
|
if( net_Read( p_obj, fd, NULL, buffer, i_len, true ) != i_len )
|
2005-12-05 10:36:39 +01:00
|
|
|
return VLC_EGENERIC;
|
|
|
|
}
|
|
|
|
|
|
|
|
return VLC_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
void net_ListenClose( int *pi_fd )
|
|
|
|
{
|
|
|
|
if( pi_fd != NULL )
|
|
|
|
{
|
|
|
|
int *pi;
|
|
|
|
|
|
|
|
for( pi = pi_fd; *pi != -1; pi++ )
|
|
|
|
net_Close( *pi );
|
|
|
|
free( pi_fd );
|
|
|
|
}
|
|
|
|
}
|