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/* $NetBSD: ctl.c,v 1.6 2014/03/29 20:10:10 dholland 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 1.6 2014/03/29 20:10:10 dholland 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;
struct sockaddr_in ctl_addr;
/* 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(void)
{
socklen_t length;
ctl_addr.sin_family = AF_INET;
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, (struct sockaddr *)&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
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