1/*	$NetBSD: pmap_getmaps.c,v 1.16 2000/07/06 03:10:34 christos Exp $	*/
2
3/*
4 * Copyright (c) 2010, Oracle America, Inc.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met:
9 *
10 *     * Redistributions of source code must retain the above copyright
11 *       notice, this list of conditions and the following disclaimer.
12 *     * Redistributions in binary form must reproduce the above
13 *       copyright notice, this list of conditions and the following
14 *       disclaimer in the documentation and/or other materials
15 *       provided with the distribution.
16 *     * Neither the name of the "Oracle America, 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.
19 *
20 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
23 *   FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
24 *   COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
25 *   INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 *   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
27 *   GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 *   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
29 *   WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
30 *   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31 *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
33
34#include <sys/cdefs.h>
35#if defined(LIBC_SCCS) && !defined(lint)
36#if 0
37static char *sccsid = "@(#)pmap_getmaps.c 1.10 87/08/11 Copyr 1984 Sun Micro";
38static char *sccsid = "@(#)pmap_getmaps.c	2.2 88/08/01 4.0 RPCSRC";
39#else
40__RCSID("$NetBSD: pmap_getmaps.c,v 1.16 2000/07/06 03:10:34 christos Exp $");
41#endif
42#endif
43
44/*
45 * pmap_getmap.c
46 * Client interface to pmap rpc service.
47 * contains pmap_getmaps, which is only tcp service involved
48 *
49 * Copyright (C) 1984, Sun Microsystems, Inc.
50 */
51
52#include "namespace.h"
53
54#include <sys/types.h>
55#include <sys/ioctl.h>
56#include <sys/socket.h>
57
58#include <net/if.h>
59
60#include <assert.h>
61#include <errno.h>
62#include <netdb.h>
63#include <stdio.h>
64#include <unistd.h>
65
66#include <rpc/rpc.h>
67#include <rpc/pmap_prot.h>
68#include <rpc/pmap_clnt.h>
69
70#ifdef __weak_alias
71__weak_alias(pmap_getmaps,_pmap_getmaps)
72#endif
73
74#define NAMELEN 255
75#define MAX_BROADCAST_SIZE 1400
76
77/*
78 * Get a copy of the current port maps.
79 * Calls the pmap service remotely to do get the maps.
80 */
81struct pmaplist *
82pmap_getmaps(address)
83	 struct sockaddr_in *address;
84{
85	struct pmaplist *head = NULL;
86	int sock = -1;
87	struct timeval minutetimeout;
88	CLIENT *client;
89
90	_DIAGASSERT(address != NULL);
91
92	minutetimeout.tv_sec = 60;
93	minutetimeout.tv_usec = 0;
94	address->sin_port = htons(PMAPPORT);
95	client = clnttcp_create(address, PMAPPROG,
96	    PMAPVERS, &sock, 50, 500);
97	if (client != NULL) {
98		if (CLNT_CALL(client, (rpcproc_t)PMAPPROC_DUMP,
99		    (xdrproc_t)xdr_void, NULL,
100		    (xdrproc_t)xdr_pmaplist, &head, minutetimeout) !=
101		    RPC_SUCCESS) {
102			clnt_perror(client, "pmap_getmaps rpc problem");
103		}
104		CLNT_DESTROY(client);
105	}
106	address->sin_port = 0;
107	return (head);
108}
109