1/*
2 * Copyright (c) 1983, 1993
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 *    may be used to endorse or promote products derived from this software
15 *    without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30#include <sys/cdefs.h>
31
32__FBSDID("$FreeBSD$");
33
34#ifndef lint
35static const char sccsid[] = "@(#)get_addrs.c	8.1 (Berkeley) 6/6/93";
36#endif
37
38#include <err.h>
39#include <netdb.h>
40#include <string.h>
41#include <unistd.h>
42
43#include "talk.h"
44#include "talk_ctl.h"
45
46void
47get_addrs(const char *my_machine_name __unused, const char *his_machine_name)
48{
49	struct hostent *hp;
50	struct servent *sp;
51
52	msg.pid = htonl(getpid());
53
54	hp = gethostbyname(his_machine_name);
55	if (hp == NULL)
56		errx(1, "%s: %s", his_machine_name, hstrerror(h_errno));
57	bcopy(hp->h_addr, (char *) &his_machine_addr, hp->h_length);
58	if (get_iface(&his_machine_addr, &my_machine_addr) == -1)
59		err(1, "failed to find my interface address");
60	/* find the server's port */
61	sp = getservbyname("ntalk", "udp");
62	if (sp == NULL)
63		errx(1, "ntalk/udp: service is not registered");
64	daemon_port = sp->s_port;
65}
66