1 /* $OpenBSD: pmap_getmaps.c,v 1.13 2015/09/02 06:47:19 deraadt 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 /*
35 * pmap_getmap.c
36 * Client interface to pmap rpc service.
37 * contains pmap_getmaps, which is only tcp service involved
38 */
39
40 #include <rpc/rpc.h>
41 #include <rpc/pmap_prot.h>
42 #include <rpc/pmap_clnt.h>
43 #include <sys/socket.h>
44 #include <netdb.h>
45 #include <stdio.h>
46 #include <errno.h>
47 #include <unistd.h>
48 #include <net/if.h>
49 #include <sys/ioctl.h>
50 #define NAMELEN 255
51 #define MAX_BROADCAST_SIZE 1400
52
53 /*
54 * Get a copy of the current port maps.
55 * Calls the pmap service remotely to do get the maps.
56 */
57 struct pmaplist *
pmap_getmaps(struct sockaddr_in * address)58 pmap_getmaps(struct sockaddr_in *address)
59 {
60 struct pmaplist *head = NULL;
61 int sock = -1;
62 struct timeval minutetimeout;
63 CLIENT *client;
64
65 minutetimeout.tv_sec = 60;
66 minutetimeout.tv_usec = 0;
67 address->sin_port = htons(PMAPPORT);
68 client = clnttcp_create(address, PMAPPROG,
69 PMAPVERS, &sock, 50, 500);
70 if (client != NULL) {
71 if (CLNT_CALL(client, PMAPPROC_DUMP, xdr_void, NULL, xdr_pmaplist,
72 &head, minutetimeout) != RPC_SUCCESS) {
73 CLNT_DESTROY(client);
74 return (NULL);
75 }
76 CLNT_DESTROY(client);
77 }
78 address->sin_port = 0;
79 return (head);
80 }
81