xref: /illumos-gate/usr/src/ucblib/librpcsoc/getrpcport.c (revision 8b80e8cb6855118d46f605e91b5ed4ce83417395)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 #ident	"%Z%%M%	%I%	%E% SMI"
23 
24 /*
25  * Copyright (c) 1991 by Sun Microsystems, Inc.
26  */
27 
28 #include <rpc/rpc.h>
29 #include <netdb.h>
30 #include <sys/socket.h>
31 #include <stdio.h>
32 
33 extern u_short pmap_getport(struct sockaddr_in *, rpcprog_t,
34 			rpcvers_t, rpcprot_t);
35 
36 u_short
37 getrpcport(char *host, rpcprog_t prognum, rpcvers_t versnum, rpcprot_t proto)
38 {
39 	struct sockaddr_in addr;
40 	struct hostent *hp;
41 
42 	if ((hp = gethostbyname(host)) == NULL)
43 		return (0);
44 	memcpy((char *) &addr.sin_addr, hp->h_addr, hp->h_length);
45 	addr.sin_family = AF_INET;
46 	addr.sin_port =  0;
47 	return (pmap_getport(&addr, prognum, versnum, proto));
48 }
49