Bring in a transport-independent RPC (TI-RPC).
[dragonfly.git] / lib / libc / rpc / getrpcport.c
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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
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28 *
29 * @(#)getrpcport.c 1.3 87/08/11 SMI
30 * @(#)getrpcport.c 2.1 88/07/29 4.0 RPCSRC
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31 * $NetBSD: getrpcport.c,v 1.16 2000/01/22 22:19:18 mycroft Exp $
32 * $FreeBSD: src/lib/libc/rpc/getrpcport.c,v 1.13 2004/10/16 06:11:34 obrien Exp $
c9b6181e 33 * $DragonFly: src/lib/libc/rpc/getrpcport.c,v 1.3 2005/11/13 12:27:04 swildner Exp $
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34 */
35
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36/*
37 * Copyright (c) 1985 by Sun Microsystems, Inc.
38 */
39
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40#include "namespace.h"
41#include <sys/types.h>
42#include <sys/socket.h>
43
44#include <assert.h>
45#include <netdb.h>
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46#include <stdio.h>
47#include <string.h>
ce0e08e2 48
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49#include <rpc/rpc.h>
50#include <rpc/pmap_clnt.h>
ce0e08e2 51#include "un-namespace.h"
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52
53int
c9b6181e 54getrpcport(char *host, int prognum, int versnum, int proto)
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55{
56 struct sockaddr_in addr;
57 struct hostent *hp;
58
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59 assert(host != NULL);
60
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61 if ((hp = gethostbyname(host)) == NULL)
62 return (0);
63 memset(&addr, 0, sizeof(addr));
64 addr.sin_len = sizeof(struct sockaddr_in);
65 addr.sin_family = AF_INET;
66 addr.sin_port = 0;
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67 if (hp->h_length > addr.sin_len)
68 hp->h_length = addr.sin_len;
69 memcpy(&addr.sin_addr.s_addr, hp->h_addr, (size_t)hp->h_length);
70 /* Inconsistent interfaces need casts! :-( */
71 return (pmap_getport(&addr, (u_long)prognum, (u_long)versnum,
72 (u_int)proto));
984263bc 73}