xref: /freebsd/lib/libc/rpc/pmap_getmaps.c (revision faf25f48d601ae39f5752602f3020e2e92605625)
1 /*	$NetBSD: pmap_getmaps.c,v 1.16 2000/07/06 03:10:34 christos Exp $	*/
2 
3 /*-
4  * SPDX-License-Identifier: BSD-3-Clause
5  *
6  * Copyright (c) 2009, Sun Microsystems, Inc.
7  * All rights reserved.
8  *
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.
19  *
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.
31  */
32 
33 #if defined(LIBC_SCCS) && !defined(lint)
34 static char *sccsid2 = "@(#)pmap_getmaps.c 1.10 87/08/11 Copyr 1984 Sun Micro";
35 static char *sccsid = "@(#)pmap_getmaps.c	2.2 88/08/01 4.0 RPCSRC";
36 #endif
37 #include <sys/cdefs.h>
38 __FBSDID("$FreeBSD$");
39 
40 /*
41  * pmap_getmap.c
42  * Client interface to pmap rpc service.
43  * contains pmap_getmaps, which is only tcp service involved
44  *
45  * Copyright (C) 1984, Sun Microsystems, Inc.
46  */
47 
48 #include "namespace.h"
49 #include <sys/types.h>
50 #include <sys/socket.h>
51 #include <sys/ioctl.h>
52 
53 #include <arpa/inet.h>
54 #include <net/if.h>
55 
56 #include <assert.h>
57 #include <errno.h>
58 #include <netdb.h>
59 #include <stdio.h>
60 #include <unistd.h>
61 
62 #include <rpc/rpc.h>
63 #include <rpc/pmap_prot.h>
64 #include <rpc/pmap_clnt.h>
65 #include "un-namespace.h"
66 
67 #define NAMELEN 255
68 #define MAX_BROADCAST_SIZE 1400
69 
70 /*
71  * Get a copy of the current port maps.
72  * Calls the pmap service remotely to do get the maps.
73  */
74 struct pmaplist *
75 pmap_getmaps(struct sockaddr_in *address)
76 {
77 	struct pmaplist *head = NULL;
78 	int sock = -1;
79 	struct timeval minutetimeout;
80 	CLIENT *client;
81 
82 	assert(address != NULL);
83 
84 	minutetimeout.tv_sec = 60;
85 	minutetimeout.tv_usec = 0;
86 	address->sin_port = htons(PMAPPORT);
87 	client = clnttcp_create(address, PMAPPROG,
88 	    PMAPVERS, &sock, 50, 500);
89 	if (client != NULL) {
90 		if (CLNT_CALL(client, (rpcproc_t)PMAPPROC_DUMP,
91 		    (xdrproc_t)xdr_void, NULL,
92 		    (xdrproc_t)xdr_pmaplist, &head, minutetimeout) !=
93 		    RPC_SUCCESS) {
94 			clnt_perror(client, "pmap_getmaps rpc problem");
95 		}
96 		CLNT_DESTROY(client);
97 	}
98 	address->sin_port = 0;
99 	return (head);
100 }
101