2 * Copyright (c) 1983, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
33 * @(#)getnetent.c 8.1 (Berkeley) 6/4/93
34 * $FreeBSD: src/lib/libc/net/getnetbyht.c,v 1.7.2.1 2002/07/07 11:34:42 robert Exp $
35 * $DragonFly: src/lib/libcr/net/Attic/getnetbyht.c,v 1.2 2003/06/17 04:26:44 dillon Exp $
38 /* Portions Copyright (c) 1993 Carlos Leandro and Rui Salgueiro
39 * Dep. Matematica Universidade de Coimbra, Portugal, Europe
41 * Permission to use, copy, modify, and distribute this software for any
42 * purpose with or without fee is hereby granted, provided that the above
43 * copyright notice and this permission notice appear in all copies.
45 * from getnetent.c 1.1 (Coimbra) 93/06/02
48 #include <sys/types.h>
49 #include <sys/socket.h>
50 #include <netinet/in.h>
51 #include <arpa/inet.h>
52 #include <arpa/nameser.h>
60 static char line[BUFSIZ+1];
61 static struct netent net;
62 static char *net_aliases[MAXALIASES];
63 static int _net_stayopen;
71 netf = fopen(_PATH_NETWORKS, "r" );
92 register char *cp, **q;
94 if (netf == NULL && (netf = fopen(_PATH_NETWORKS, "r" )) == NULL)
97 p = fgets(line, sizeof line, netf);
102 cp = strpbrk(p, "#\n");
107 cp = strpbrk(p, " \t");
111 while (*cp == ' ' || *cp == '\t')
113 p = strpbrk(cp, " \t");
116 net.n_net = inet_network(cp);
117 net.n_addrtype = AF_INET;
118 q = net.n_aliases = net_aliases;
122 if (*cp == ' ' || *cp == '\t') {
126 if (q < &net_aliases[MAXALIASES - 1])
128 cp = strpbrk(cp, " \t");
137 _getnetbyhtname(name)
138 register const char *name;
140 register struct netent *p;
143 setnetent(_net_stayopen);
144 while ( (p = getnetent()) ) {
145 if (strcasecmp(p->n_name, name) == 0)
147 for (cp = p->n_aliases; *cp != 0; cp++)
148 if (strcasecmp(*cp, name) == 0)
158 _getnetbyhtaddr(net, type)
159 register unsigned long net;
162 register struct netent *p;
164 setnetent(_net_stayopen);
165 while ( (p = getnetent()) )
166 if (p->n_addrtype == type && p->n_net == net)