66 lines
2.2 KiB
C
Executable File
66 lines
2.2 KiB
C
Executable File
/*
|
|
** igmpproxy - IGMP proxy based multicast router
|
|
** Copyright (C) 2005 Johnny Egeland <johnny@rlo.org>
|
|
**
|
|
** 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
**
|
|
**----------------------------------------------------------------------------
|
|
**
|
|
** This software is derived work from the following software. The original
|
|
** source code has been modified from it's original state by the author
|
|
** of igmpproxy.
|
|
**
|
|
** smcroute 0.92 - Copyright (C) 2001 Carsten Schill <carsten@cschill.de>
|
|
** - Licensed under the GNU General Public License, version 2
|
|
**
|
|
** mrouted 3.9-beta3 - COPYRIGHT 1989 by The Board of Trustees of
|
|
** Leland Stanford Junior University.
|
|
** - Original license can be found in the "doc/mrouted-LINCESE" file.
|
|
**
|
|
*/
|
|
/**
|
|
* udpsock.c contains function for creating a UDP socket.
|
|
*
|
|
*/
|
|
|
|
#include "defs.h"
|
|
|
|
/**
|
|
* Creates and connects a simple UDP socket to the target
|
|
* 'PeerInAdr':'PeerPort'
|
|
*
|
|
* @param PeerInAdr - The address to connect to
|
|
* @param PeerPort - The port to connect to
|
|
*
|
|
*/
|
|
int openUdpSocket( uint32 PeerInAdr, uint16 PeerPort ) {
|
|
int Sock;
|
|
struct sockaddr_in SockAdr;
|
|
|
|
if( (Sock = socket( AF_INET, SOCK_DGRAM, 0 )) < 0 )
|
|
log( LOG_ERR, errno, "UDP socket open" );
|
|
|
|
SockAdr.sin_family = AF_INET;
|
|
SockAdr.sin_port = PeerPort;
|
|
SockAdr.sin_addr.s_addr = PeerInAdr;
|
|
memset( &SockAdr.sin_zero, 0, sizeof( SockAdr.sin_zero ) );
|
|
|
|
if( connect( Sock, (struct sockaddr *)&SockAdr, sizeof( SockAdr ) ) )
|
|
log( LOG_ERR, errno, "UDP socket connect" );
|
|
|
|
return Sock;
|
|
}
|
|
|