debian_bsdgames/hunt/huntd/ctl.c

/*	$NetBSD: ctl.c,v 1.3 2003/06/11 12:00:22 wiz Exp $	*/
/*
 * Copyright (c) 1983-2003, Regents of the University of California.
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions are 
 * met:
 * 
 * + Redistributions of source code must retain the above copyright 
 *   notice, this list of conditions and the following disclaimer.
 * + Redistributions in binary form must reproduce the above copyright 
 *   notice, this list of conditions and the following disclaimer in the 
 *   documentation and/or other materials provided with the distribution.
 * + Neither the name of the University of California, San Francisco nor 
 *   the names of its contributors may be used to endorse or promote 
 *   products derived from this software without specific prior written 
 *   permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 
 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "bsd.h"

#if	defined(TALK_43) || defined(TALK_42) 

#include <sys/cdefs.h>
#ifndef lint
#if 0
static char sccsid[] = "@(#)ctl.c	5.2 (Berkeley) 3/13/86";
#else
__RCSID("$NetBSD: ctl.c,v 1.3 2003/06/11 12:00:22 wiz Exp $");
#endif
#endif /* not lint */

/*
 * This file handles haggling with the various talk daemons to
 * get a socket to talk to. sockt is opened and connected in
 * the progress
 */

#include "hunt.h"
#include "talk_ctl.h"

struct	sockaddr_in daemon_addr = { AF_INET };
struct	sockaddr_in ctl_addr = { AF_INET };

	/* inet addresses of the two machines */
struct	in_addr my_machine_addr;
struct	in_addr his_machine_addr;

u_short daemon_port;	/* port number of the talk daemon */

int	ctl_sockt;

CTL_MSG msg;

/* open the ctl socket */
void
open_ctl() 
{
	int length;

	ctl_addr.sin_port = 0;
	ctl_addr.sin_addr = my_machine_addr;
	ctl_sockt = socket(AF_INET, SOCK_DGRAM, 0);
	if (ctl_sockt <= 0)
		p_error("Bad socket");
	if (bind(ctl_sockt, &ctl_addr, sizeof(ctl_addr)) != 0)
		p_error("Couldn't bind to control socket");
	length = sizeof(ctl_addr);
	if (getsockname(ctl_sockt, (struct sockaddr *) &ctl_addr, &length) < 0)
		p_error("Bad address for ctl socket");
}
#endif