1 /* $NetBSD: pmap_rmt.c,v 1.29 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
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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 = "@(#)pmap_rmt.c 1.21 87/08/27 Copyr 1984 Sun Micro";
35 static char *sccsid = "@(#)pmap_rmt.c 2.2 88/08/01 4.0 RPCSRC";
37 #include <sys/cdefs.h>
38 __FBSDID("$FreeBSD$");
42 * Client interface to pmap rpc service.
43 * remote call and broadcast service
45 * Copyright (C) 1984, Sun Microsystems, Inc.
48 #include "namespace.h"
49 #include <sys/types.h>
50 #include <sys/ioctl.h>
52 #include <sys/socket.h>
55 #include <netinet/in.h>
56 #include <arpa/inet.h>
66 #include <rpc/pmap_prot.h>
67 #include <rpc/pmap_clnt.h>
68 #include <rpc/pmap_rmt.h>
69 #include "un-namespace.h"
71 static const struct timeval timeout = { 3, 0 };
74 * pmapper remote-call-service interface.
75 * This routine is used to call the pmapper remote call service
76 * which will look up a service program in the port maps, and then
77 * remotely call that routine with the given parameters. This allows
78 * programs to do a lookup and call in one step.
81 pmap_rmtcall(struct sockaddr_in *addr, u_long prog, u_long vers, u_long proc,
82 xdrproc_t xdrargs, caddr_t argsp, xdrproc_t xdrres, caddr_t resp,
83 struct timeval tout, u_long *port_ptr)
92 assert(port_ptr != NULL);
94 addr->sin_port = htons(PMAPPORT);
95 client = clntudp_create(addr, PMAPPROG, PMAPVERS, timeout, &sock);
101 a.xdr_args = xdrargs;
102 r.port_ptr = port_ptr;
103 r.results_ptr = resp;
104 r.xdr_results = xdrres;
105 stat = CLNT_CALL(client, (rpcproc_t)PMAPPROC_CALLIT,
106 (xdrproc_t)xdr_rmtcall_args, &a, (xdrproc_t)xdr_rmtcallres,
108 CLNT_DESTROY(client);
118 * XDR remote call arguments
119 * written for XDR_ENCODE direction only
122 xdr_rmtcall_args(XDR *xdrs, struct rmtcallargs *cap)
124 u_int lenposition, argposition, position;
126 assert(xdrs != NULL);
129 if (xdr_u_long(xdrs, &(cap->prog)) &&
130 xdr_u_long(xdrs, &(cap->vers)) &&
131 xdr_u_long(xdrs, &(cap->proc))) {
132 lenposition = XDR_GETPOS(xdrs);
133 if (! xdr_u_long(xdrs, &(cap->arglen)))
135 argposition = XDR_GETPOS(xdrs);
136 if (! (*(cap->xdr_args))(xdrs, cap->args_ptr))
138 position = XDR_GETPOS(xdrs);
139 cap->arglen = (u_long)position - (u_long)argposition;
140 XDR_SETPOS(xdrs, lenposition);
141 if (! xdr_u_long(xdrs, &(cap->arglen)))
143 XDR_SETPOS(xdrs, position);
150 * XDR remote call results
151 * written for XDR_DECODE direction only
154 xdr_rmtcallres(XDR *xdrs, struct rmtcallres *crp)
158 assert(xdrs != NULL);
161 port_ptr = (caddr_t)(void *)crp->port_ptr;
162 if (xdr_reference(xdrs, &port_ptr, sizeof (u_long),
163 (xdrproc_t)xdr_u_long) && xdr_u_long(xdrs, &crp->resultslen)) {
164 crp->port_ptr = (u_long *)(void *)port_ptr;
165 return ((*(crp->xdr_results))(xdrs, crp->results_ptr));