xref: /dragonfly/lib/libc/rpc/pmap_getmaps.c (revision abf903a5)
1 /*-
2  * Copyright (c) 2009, Sun Microsystems, Inc.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are met:
7  * - Redistributions of source code must retain the above copyright notice,
8  *   this list of conditions and the following disclaimer.
9  * - Redistributions in binary form must reproduce the above copyright notice,
10  *   this list of conditions and the following disclaimer in the documentation
11  *   and/or other materials provided with the distribution.
12  * - Neither the name of Sun Microsystems, Inc. nor the names of its
13  *   contributors may be used to endorse or promote products derived
14  *   from this software without specific prior written permission.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  * POSSIBILITY OF SUCH DAMAGE.
27  *
28  * @(#)pmap_getmaps.c 1.10 87/08/11 Copyr 1984 Sun Micro
29  * @(#)pmap_getmaps.c	2.2 88/08/01 4.0 RPCSRC
30  * $NetBSD: pmap_getmaps.c,v 1.16 2000/07/06 03:10:34 christos Exp $
31  * $FreeBSD: src/lib/libc/rpc/pmap_getmaps.c,v 1.16 2004/10/16 06:11:35 obrien Exp $
32  * $DragonFly: src/lib/libc/rpc/pmap_getmaps.c,v 1.5 2005/11/13 12:27:04 swildner Exp $
33  */
34 
35 /*
36  * pmap_getmap.c
37  * Client interface to pmap rpc service.
38  * contains pmap_getmaps, which is only tcp service involved
39  *
40  * Copyright (C) 1984, Sun Microsystems, Inc.
41  */
42 
43 #include "namespace.h"
44 #include <sys/types.h>
45 #include <sys/socket.h>
46 #include <sys/ioctl.h>
47 
48 #include <arpa/inet.h>
49 #include <net/if.h>
50 
51 #include <assert.h>
52 #include <errno.h>
53 #include <netdb.h>
54 #include <stdio.h>
55 #include <unistd.h>
56 
57 #include <rpc/rpc.h>
58 #include <rpc/pmap_prot.h>
59 #include <rpc/pmap_clnt.h>
60 #include "un-namespace.h"
61 
62 #define NAMELEN 255
63 #define MAX_BROADCAST_SIZE 1400
64 
65 /*
66  * Get a copy of the current port maps.
67  * Calls the pmap service remotely to do get the maps.
68  */
69 struct pmaplist *
70 pmap_getmaps(struct sockaddr_in *address)
71 {
72 	struct pmaplist *head = NULL;
73 	int sock = -1;
74 	struct timeval minutetimeout;
75 	CLIENT *client;
76 
77 	assert(address != NULL);
78 
79 	minutetimeout.tv_sec = 60;
80 	minutetimeout.tv_usec = 0;
81 	address->sin_port = htons(PMAPPORT);
82 	client = clnttcp_create(address, PMAPPROG,
83 	    PMAPVERS, &sock, 50, 500);
84 	if (client != NULL) {
85 		if (CLNT_CALL(client, (rpcproc_t)PMAPPROC_DUMP,
86 		    (xdrproc_t)xdr_void, NULL,
87 		    (xdrproc_t)xdr_pmaplist, &head, minutetimeout) !=
88 		    RPC_SUCCESS) {
89 			clnt_perror(client, "pmap_getmaps rpc problem");
90 		}
91 		CLNT_DESTROY(client);
92 	}
93 	address->sin_port = 0;
94 	return (head);
95 }
96