gethost.c revision 170268 
1/*	$FreeBSD: head/contrib/ipfilter/lib/gethost.c 170268 2007-06-04 02:54:36Z darrenr $	*/
2
3/*
4 * Copyright (C) 2002-2004 by Darren Reed.
5 *
6 * See the IPFILTER.LICENCE file for details on licencing.
7 *
8 * $Id: gethost.c,v 1.3.2.2 2006/06/16 17:20:59 darrenr Exp $
9 */
10
11#include "ipf.h"
12
13int gethost(name, hostp)
14char *name;
15u_32_t *hostp;
16{
17	struct hostent *h;
18	struct netent *n;
19	u_32_t addr;
20
21	if (!strcmp(name, "test.host.dots")) {
22		*hostp = htonl(0xfedcba98);
23		return 0;
24	}
25
26	if (!strcmp(name, "<thishost>"))
27		name = thishost;
28
29	h = gethostbyname(name);
30	if (h != NULL) {
31		if ((h->h_addr != NULL) && (h->h_length == sizeof(addr))) {
32			bcopy(h->h_addr, (char *)&addr, sizeof(addr));
33			*hostp = addr;
34			return 0;
35		}
36	}
37
38	n = getnetbyname(name);
39	if (n != NULL) {
40		*hostp = (u_32_t)htonl(n->n_net & 0xffffffff);
41		return 0;
42	}
43	return -1;
44}
45