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|---|---|---|
| 984263bc MD |
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 | * 3. All advertising materials mentioning features or use of this software | |
| 14 | * must display the following acknowledgement: | |
| 15 | * This product includes software developed by the University of | |
| 16 | * California, Berkeley and its contributors. | |
| 17 | * 4. Neither the name of the University nor the names of its contributors | |
| 18 | * may be used to endorse or promote products derived from this software | |
| 19 | * without specific prior written permission. | |
| 20 | * | |
| 21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 31 | * SUCH DAMAGE. | |
| 1de703da MD |
32 | * |
| 33 | * @(#)get_addrs.c 8.1 (Berkeley) 6/6/93 | |
| 34 | * $FreeBSD: src/usr.bin/talk/get_addrs.c,v 1.4 1999/08/28 01:06:11 peter Exp $ | |
| 984263bc MD |
35 | */ |
| 36 | ||
| 984263bc MD |
37 | #include <err.h> |
| 38 | #include <netdb.h> | |
| 39 | #include <string.h> | |
| 40 | #include "talk.h" | |
| 41 | #include "talk_ctl.h" | |
| 42 | ||
| 43 | void | |
| e2daa382 | 44 | get_addrs(char *my_machine_name __unused, char *his_machine_name) |
| 984263bc MD |
45 | { |
| 46 | struct hostent *hp; | |
| 47 | struct servent *sp; | |
| 48 | ||
| 49 | msg.pid = htonl(getpid()); | |
| 50 | ||
| 51 | hp = gethostbyname(his_machine_name); | |
| 52 | if (hp == NULL) | |
| 53 | errx(1, "%s: %s", his_machine_name, hstrerror(h_errno)); | |
| 54 | bcopy(hp->h_addr, (char *) &his_machine_addr, hp->h_length); | |
| 55 | if (get_iface(&his_machine_addr, &my_machine_addr) == -1) | |
| 56 | err(1, "failed to find my interface address"); | |
| 57 | /* find the server's port */ | |
| 58 | sp = getservbyname("ntalk", "udp"); | |
| 59 | if (sp == 0) | |
| 60 | errx(1, "ntalk/udp: service is not registered"); | |
| 61 | daemon_port = sp->s_port; | |
| 62 | } |