xref: /openbsd/lib/libc/rpc/getrpcport.c (revision 07ea8d15)
1 /*
2  * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
3  * unrestricted use provided that this legend is included on all tape
4  * media and as a part of the software program in whole or part.  Users
5  * may copy or modify Sun RPC without charge, but are not authorized
6  * to license or distribute it to anyone else except as part of a product or
7  * program developed by the user.
8  *
9  * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
10  * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
11  * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
12  *
13  * Sun RPC is provided with no support and without any obligation on the
14  * part of Sun Microsystems, Inc. to assist in its use, correction,
15  * modification or enhancement.
16  *
17  * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
18  * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
19  * OR ANY PART THEREOF.
20  *
21  * In no event will Sun Microsystems, Inc. be liable for any lost revenue
22  * or profits or other special, indirect and consequential damages, even if
23  * Sun has been advised of the possibility of such damages.
24  *
25  * Sun Microsystems, Inc.
26  * 2550 Garcia Avenue
27  * Mountain View, California  94043
28  */
29 
30 #if defined(LIBC_SCCS) && !defined(lint)
31 static char *rcsid = "$OpenBSD: getrpcport.c,v 1.5 1996/09/30 21:12:59 deraadt Exp $";
32 #endif /* LIBC_SCCS and not lint */
33 
34 /*
35  * Copyright (c) 1985 by Sun Microsystems, Inc.
36  */
37 
38 #include <stdio.h>
39 #include <string.h>
40 #include <rpc/rpc.h>
41 #include <rpc/pmap_clnt.h>
42 #include <netdb.h>
43 #include <sys/socket.h>
44 
45 int
46 getrpcport(host, prognum, versnum, proto)
47 	char *host;
48 	int prognum, versnum, proto;
49 {
50 	struct sockaddr_in addr;
51 	struct hostent *hp;
52 
53 	if ((hp = gethostbyname(host)) == NULL)
54 		return (0);
55 	memset(&addr, 0, sizeof(addr));
56 	addr.sin_len = sizeof(struct sockaddr_in);
57 	addr.sin_family = AF_INET;
58 	addr.sin_port =  0;
59 	memcpy((char *)&addr.sin_addr, hp->h_addr, hp->h_length);
60 	return (pmap_getport(&addr, prognum, versnum, proto));
61 }
62