xref: /netbsd/lib/libc/rpc/pmap_getmaps.c (revision 15c1b43e)
1 /*	$NetBSD: pmap_getmaps.c,v 1.18 2013/03/11 20:19:29 tron 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
37 static char *sccsid = "@(#)pmap_getmaps.c 1.10 87/08/11 Copyr 1984 Sun Micro";
38 static char *sccsid = "@(#)pmap_getmaps.c	2.2 88/08/01 4.0 RPCSRC";
39 #else
40 __RCSID("$NetBSD: pmap_getmaps.c,v 1.18 2013/03/11 20:19:29 tron 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
__weak_alias(pmap_getmaps,_pmap_getmaps)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  */
81 struct pmaplist *
82 pmap_getmaps(struct sockaddr_in *address)
83 {
84 	struct pmaplist *head = NULL;
85 	int sock = -1;
86 	struct timeval minutetimeout;
87 	CLIENT *client;
88 
89 	_DIAGASSERT(address != NULL);
90 
91 	minutetimeout.tv_sec = 60;
92 	minutetimeout.tv_usec = 0;
93 	address->sin_port = htons(PMAPPORT);
94 	client = clnttcp_create(address, PMAPPROG,
95 	    PMAPVERS, &sock, 50, 500);
96 	if (client != NULL) {
97 		if (CLNT_CALL(client, (rpcproc_t)PMAPPROC_DUMP,
98 		    (xdrproc_t)xdr_void, NULL,
99 		    (xdrproc_t)xdr_pmaplist, &head, minutetimeout) !=
100 		    RPC_SUCCESS) {
101 			clnt_perror(client, "pmap_getmaps rpc problem");
102 		}
103 		CLNT_DESTROY(client);
104 	}
105 	address->sin_port = 0;
106 	return (head);
107 }
108