BSD 4_3_Tahoe release
[unix-history] / usr / src / new / sunrpc / pmap_getport.c
CommitLineData
95f51977
C
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#ifndef lint
30static char sccsid[] = "@(#)pmap_getport.c 1.1 85/02/08 Copyr 1984 Sun Micro";
31#endif
32
33/*
34 * pmap_getport.c
35 * Client interface to pmap rpc service.
36 *
37 * Copyright (C) 1984, Sun Microsystems, Inc.
38 */
39
40#include "types.h"
41#include <netinet/in.h>
42#include "xdr.h"
43#include "auth.h"
44#include "clnt.h"
45#include "rpc_msg.h"
46#include "pmap_prot.h"
47#include "pmap_clnt.h"
48#include <sys/socket.h>
49#include <sys/time.h>
50#include <stdio.h>
51#include <net/if.h>
52#include <sys/ioctl.h>
53#include <arpa/inet.h>
54#define NAMELEN 255
55
56static struct timeval timeout = { 5, 0 };
57static struct timeval tottimeout = { 60, 0 };
58
59/*
60 * Find the mapped port for program,version.
61 * Calls the pmap service remotely to do the lookup.
62 * Returns 0 if no map exists.
63 */
64u_short
65pmap_getport(address, program, version, protocol)
66 struct sockaddr_in *address;
67 u_long program;
68 u_long version;
69 u_long protocol;
70{
71 u_short port = 0;
72 int socket = -1;
73 register CLIENT *client;
74 struct pmap parms;
75
76 address->sin_port = htons(PMAPPORT);
77 client = clntudp_create(address, PMAPPROG,
78 PMAPVERS, timeout, &socket);
79 if (client != (CLIENT *)NULL) {
80 parms.pm_prog = program;
81 parms.pm_vers = version;
82 parms.pm_prot = protocol;
83 parms.pm_port = 0; /* not needed or used */
84 if (CLNT_CALL(client, PMAPPROC_GETPORT, xdr_pmap, &parms,
85 xdr_u_short, &port, tottimeout) != RPC_SUCCESS){
86 rpc_createerr.cf_stat = RPC_PMAPFAILURE;
87 clnt_geterr(client, &rpc_createerr.cf_error);
88 } else if (port == 0) {
89 rpc_createerr.cf_stat = RPC_PROGNOTREGISTERED;
90 }
91 CLNT_DESTROY(client);
92 }
93 (void)close(socket);
94 address->sin_port = 0;
95 return (port);
96}