2 * Copyright (c) 1994, Garrett Wollman
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * $FreeBSD: src/lib/libc/net/getnetnamadr.c,v 1.12.2.1 2001/03/05 10:47:08 obrien Exp $
26 * $DragonFly: src/lib/libc/net/getnetnamadr.c,v 1.4 2005/11/13 02:04:47 swildner Exp $
29 #include <sys/param.h>
30 #include <sys/socket.h>
31 #include <netinet/in.h>
32 #include <arpa/inet.h>
40 extern int _ht_getnetbyname(void *, void *, va_list);
41 extern int _dns_getnetbyname(void *, void *, va_list);
42 extern int _nis_getnetbyname(void *, void *, va_list);
43 extern int _ht_getnetbyaddr(void *, void *, va_list);
44 extern int _dns_getnetbyaddr(void *, void *, va_list);
45 extern int _nis_getnetbyaddr(void *, void *, va_list);
47 /* Network lookup order if nsswitch.conf is broken or nonexistant */
48 static const ns_src default_src[] = {
49 { NSSRC_FILES, NS_SUCCESS },
50 { NSSRC_DNS, NS_SUCCESS },
55 getnetbyname(const char *name)
57 struct netent *hp = 0;
60 static const ns_dtab dtab[] = {
61 NS_FILES_CB(_ht_getnetbyname, NULL)
62 { NSSRC_DNS, _dns_getnetbyname, NULL },
63 NS_NIS_CB(_nis_getnetbyname, NULL) /* force -DHESIOD */
67 rval = nsdispatch((void *)&hp, dtab, NSDB_NETWORKS, "getnetbyname",
70 if (rval != NS_SUCCESS)
77 getnetbyaddr(u_long addr, int af)
79 struct netent *hp = 0;
82 static const ns_dtab dtab[] = {
83 NS_FILES_CB(_ht_getnetbyaddr, NULL)
84 { NSSRC_DNS, _dns_getnetbyaddr, NULL },
85 NS_NIS_CB(_nis_getnetbyaddr, NULL) /* force -DHESIOD */
89 rval = nsdispatch((void *)&hp, dtab, NSDB_HOSTS, "getnetbyaddr",
90 default_src, addr, af);
92 if (rval != NS_SUCCESS)
99 setnetent(int stayopen)
101 _setnethtent(stayopen);
102 _setnetdnsent(stayopen);