1 /* $NetBSD: pmap_getport.c,v 1.16 2000/07/06 03:10:34 christos Exp $ */
4 * SPDX-License-Identifier: BSD-3-Clause
6 * Copyright (c) 2009, Sun Microsystems, Inc.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions are met:
11 * - Redistributions of source code must retain the above copyright notice,
12 * this list of conditions and the following disclaimer.
13 * - Redistributions in binary form must reproduce the above copyright notice,
14 * this list of conditions and the following disclaimer in the documentation
15 * and/or other materials provided with the distribution.
16 * - Neither the name of Sun Microsystems, Inc. nor the names of its
17 * contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
33 #if defined(LIBC_SCCS) && !defined(lint)
34 static char *sccsid2 = "from: @(#)pmap_getport.c 1.9 87/08/11 Copyr 1984 Sun Micro";
35 static char *sccsid = "from: @(#)pmap_getport.c 2.2 88/08/01 4.0 RPCSRC";
37 #include <sys/cdefs.h>
38 __FBSDID("$FreeBSD$");
42 * Client interface to pmap rpc service.
44 * Copyright (C) 1984, Sun Microsystems, Inc.
47 #include "namespace.h"
48 #include <sys/types.h>
49 #include <sys/socket.h>
51 #include <arpa/inet.h>
58 #include <rpc/pmap_prot.h>
59 #include <rpc/pmap_clnt.h>
60 #include "un-namespace.h"
62 static const struct timeval timeout = { 5, 0 };
63 static const struct timeval tottimeout = { 60, 0 };
66 * Find the mapped port for program,version.
67 * Calls the pmap service remotely to do the lookup.
68 * Returns 0 if no map exists.
71 pmap_getport(struct sockaddr_in *address, u_long program, u_long version,
79 assert(address != NULL);
81 address->sin_port = htons(PMAPPORT);
82 client = clntudp_bufcreate(address, PMAPPROG,
83 PMAPVERS, timeout, &sock, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE);
85 parms.pm_prog = program;
86 parms.pm_vers = version;
87 parms.pm_prot = protocol;
88 parms.pm_port = 0; /* not needed or used */
89 if (CLNT_CALL(client, (rpcproc_t)PMAPPROC_GETPORT,
91 &parms, (xdrproc_t)xdr_u_short, &port, tottimeout) !=
93 rpc_createerr.cf_stat = RPC_PMAPFAILURE;
94 clnt_geterr(client, &rpc_createerr.cf_error);
95 } else if (port == 0) {
96 rpc_createerr.cf_stat = RPC_PROGNOTREGISTERED;
100 address->sin_port = 0;