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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
34 /* Portions Copyright (c) 1993 Carlos Leandro and Rui Salgueiro
35 * Dep. Matematica Universidade de Coimbra, Portugal, Europe
37 * Permission to use, copy, modify, and distribute this software for any
38 * purpose with or without fee is hereby granted, provided that the above
39 * copyright notice and this permission notice appear in all copies.
41 * from getnetent.c 1.1 (Coimbra) 93/06/02
44 #if defined(LIBC_SCCS) && !defined(lint)
45 static char sccsid
[] = "@(#)getnetent.c 8.1 (Berkeley) 6/4/93";
46 static char orig_rcsid
[] = "From: Id: getnetent.c,v 8.4 1997/06/01 20:34:37 vixie Exp";
47 static chat rcsid
[] = "$Id: getnetbyht.c,v 1.1.1.1 2003/11/19 01:51:27 kyu3 Exp $";
48 #endif /* LIBC_SCCS and not lint */
50 #include <sys/types.h>
51 #include <sys/socket.h>
52 #include <netinet/in.h>
53 #include <arpa/inet.h>
54 #include <arpa/nameser.h>
62 static char line
[BUFSIZ
+1];
63 static struct netent net
;
64 static char *net_aliases
[MAXALIASES
];
65 static int _net_stayopen
;
72 netf
= fopen(_PATH_NETWORKS
, "r" );
93 register char *cp
, **q
;
95 if (netf
== NULL
&& (netf
= fopen(_PATH_NETWORKS
, "r" )) == NULL
)
98 p
= fgets(line
, sizeof line
, netf
);
103 cp
= strpbrk(p
, "#\n");
108 cp
= strpbrk(p
, " \t");
112 while (*cp
== ' ' || *cp
== '\t')
114 p
= strpbrk(cp
, " \t");
117 net
.n_net
= inet_network(cp
);
118 net
.n_addrtype
= AF_INET
;
119 q
= net
.n_aliases
= net_aliases
;
123 if (*cp
== ' ' || *cp
== '\t') {
127 if (q
< &net_aliases
[MAXALIASES
- 1])
129 cp
= strpbrk(cp
, " \t");
138 _getnetbyhtname(register const char *name
)
140 register struct netent
*p
;
143 setnetent(_net_stayopen
);
144 while ( NULL
!= (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(register unsigned long net
, register int type
)
160 register struct netent
*p
;
162 setnetent(_net_stayopen
);
163 while ( NULL
!= (p
= getnetent()) )
164 if (p
->n_addrtype
== type
&& p
->n_net
== net
)