xref: /freebsd/lib/libc/rpc/pmap_getmaps.c (revision 06c3fb27)
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 /*
34  * pmap_getmap.c
35  * Client interface to pmap rpc service.
36  * contains pmap_getmaps, which is only tcp service involved
37  *
38  * Copyright (C) 1984, Sun Microsystems, Inc.
39  */
40 
41 #include "namespace.h"
42 #include <sys/types.h>
43 #include <sys/socket.h>
44 #include <sys/ioctl.h>
45 
46 #include <arpa/inet.h>
47 #include <net/if.h>
48 
49 #include <assert.h>
50 #include <errno.h>
51 #include <netdb.h>
52 #include <stdio.h>
53 #include <unistd.h>
54 
55 #include <rpc/rpc.h>
56 #include <rpc/pmap_prot.h>
57 #include <rpc/pmap_clnt.h>
58 #include "un-namespace.h"
59 
60 #define NAMELEN 255
61 #define MAX_BROADCAST_SIZE 1400
62 
63 /*
64  * Get a copy of the current port maps.
65  * Calls the pmap service remotely to do get the maps.
66  */
67 struct pmaplist *
68 pmap_getmaps(struct sockaddr_in *address)
69 {
70 	struct pmaplist *head = NULL;
71 	int sock = -1;
72 	struct timeval minutetimeout;
73 	CLIENT *client;
74 
75 	assert(address != NULL);
76 
77 	minutetimeout.tv_sec = 60;
78 	minutetimeout.tv_usec = 0;
79 	address->sin_port = htons(PMAPPORT);
80 	client = clnttcp_create(address, PMAPPROG,
81 	    PMAPVERS, &sock, 50, 500);
82 	if (client != NULL) {
83 		if (CLNT_CALL(client, (rpcproc_t)PMAPPROC_DUMP,
84 		    (xdrproc_t)xdr_void, NULL,
85 		    (xdrproc_t)xdr_pmaplist, &head, minutetimeout) !=
86 		    RPC_SUCCESS) {
87 			clnt_perror(client, "pmap_getmaps rpc problem");
88 		}
89 		CLNT_DESTROY(client);
90 	}
91 	address->sin_port = 0;
92 	return (head);
93 }
94