1 /* $NetBSD: pmap_rmt.c,v 1.29 2000/07/06 03:10:34 christos Exp $ */
4 * Copyright (c) 2009, Sun Microsystems, Inc.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are met:
9 * - Redistributions of source code must retain the above copyright notice,
10 * this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 * - Neither the name of Sun Microsystems, Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived
16 * from this software without specific prior written permission.
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
31 #if defined(LIBC_SCCS) && !defined(lint)
32 static char *sccsid2 = "@(#)pmap_rmt.c 1.21 87/08/27 Copyr 1984 Sun Micro";
33 static char *sccsid = "@(#)pmap_rmt.c 2.2 88/08/01 4.0 RPCSRC";
35 #include <sys/cdefs.h>
36 __FBSDID("$FreeBSD$");
40 * Client interface to pmap rpc service.
41 * remote call and broadcast service
43 * Copyright (C) 1984, Sun Microsystems, Inc.
46 #include "namespace.h"
47 #include <sys/types.h>
48 #include <sys/ioctl.h>
50 #include <sys/socket.h>
53 #include <netinet/in.h>
54 #include <arpa/inet.h>
64 #include <rpc/pmap_prot.h>
65 #include <rpc/pmap_clnt.h>
66 #include <rpc/pmap_rmt.h>
67 #include "un-namespace.h"
69 static const struct timeval timeout = { 3, 0 };
72 * pmapper remote-call-service interface.
73 * This routine is used to call the pmapper remote call service
74 * which will look up a service program in the port maps, and then
75 * remotely call that routine with the given parameters. This allows
76 * programs to do a lookup and call in one step.
79 pmap_rmtcall(struct sockaddr_in *addr, u_long prog, u_long vers, u_long proc,
80 xdrproc_t xdrargs, caddr_t argsp, xdrproc_t xdrres, caddr_t resp,
81 struct timeval tout, u_long *port_ptr)
90 assert(port_ptr != NULL);
92 addr->sin_port = htons(PMAPPORT);
93 client = clntudp_create(addr, PMAPPROG, PMAPVERS, timeout, &sock);
100 r.port_ptr = port_ptr;
101 r.results_ptr = resp;
102 r.xdr_results = xdrres;
103 stat = CLNT_CALL(client, (rpcproc_t)PMAPPROC_CALLIT,
104 (xdrproc_t)xdr_rmtcall_args, &a, (xdrproc_t)xdr_rmtcallres,
106 CLNT_DESTROY(client);
116 * XDR remote call arguments
117 * written for XDR_ENCODE direction only
120 xdr_rmtcall_args(XDR *xdrs, struct rmtcallargs *cap)
122 u_int lenposition, argposition, position;
124 assert(xdrs != NULL);
127 if (xdr_u_long(xdrs, &(cap->prog)) &&
128 xdr_u_long(xdrs, &(cap->vers)) &&
129 xdr_u_long(xdrs, &(cap->proc))) {
130 lenposition = XDR_GETPOS(xdrs);
131 if (! xdr_u_long(xdrs, &(cap->arglen)))
133 argposition = XDR_GETPOS(xdrs);
134 if (! (*(cap->xdr_args))(xdrs, cap->args_ptr))
136 position = XDR_GETPOS(xdrs);
137 cap->arglen = (u_long)position - (u_long)argposition;
138 XDR_SETPOS(xdrs, lenposition);
139 if (! xdr_u_long(xdrs, &(cap->arglen)))
141 XDR_SETPOS(xdrs, position);
148 * XDR remote call results
149 * written for XDR_DECODE direction only
152 xdr_rmtcallres(XDR *xdrs, struct rmtcallres *crp)
156 assert(xdrs != NULL);
159 port_ptr = (caddr_t)(void *)crp->port_ptr;
160 if (xdr_reference(xdrs, &port_ptr, sizeof (u_long),
161 (xdrproc_t)xdr_u_long) && xdr_u_long(xdrs, &crp->resultslen)) {
162 crp->port_ptr = (u_long *)(void *)port_ptr;
163 return ((*(crp->xdr_results))(xdrs, crp->results_ptr));