1/*
2 * pmap_getmap.c
3 * Client interface to pmap rpc service.
4 * contains pmap_getmaps, which is only tcp service involved
5 *
6 * Copyright (c) 2010, Oracle America, Inc.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are
10 * met:
11 *
12 * * Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * * Redistributions in binary form must reproduce the above
15 * copyright notice, this list of conditions and the following
16 * disclaimer in the documentation and/or other materials
17 * provided with the distribution.
18 * * Neither the name of the "Oracle America, Inc." nor the names of its
19 * contributors may be used to endorse or promote products derived
20 * from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
25 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
26 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
27 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
29 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
31 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
32 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 */
35
36#include <rpc/rpc.h>
37#include <rpc/pmap_prot.h>
38#include <rpc/pmap_clnt.h>
39#include <sys/socket.h>
40#include <netdb.h>
41#include <stdbool.h>
42#include <stdio.h>
43#include <errno.h>
44#include <libintl.h>
45#include <unistd.h>
46#include <not-cancel.h>
47#include <shlib-compat.h>
48
49
50/*
51 * Get a copy of the current port maps.
52 * Calls the pmap service remotely to do get the maps.
53 */
54struct pmaplist *
55pmap_getmaps (struct sockaddr_in *address)
56{
57 struct pmaplist *head = (struct pmaplist *) NULL;
58 struct timeval minutetimeout;
59 CLIENT *client;
60 bool closeit = false;
61
62 minutetimeout.tv_sec = 60;
63 minutetimeout.tv_usec = 0;
64 address->sin_port = htons (PMAPPORT);
65
66 /* Don't need a reserved port to get ports from the portmapper. */
67 int socket = __get_socket (address);
68 if (socket != -1)
69 closeit = true;
70
71 client = clnttcp_create (address, PMAPPROG, PMAPVERS, &socket, 50, 500);
72 if (client != (CLIENT *) NULL)
73 {
74 if (CLNT_CALL (client, PMAPPROC_DUMP, (xdrproc_t)xdr_void, NULL,
75 (xdrproc_t)xdr_pmaplist, (caddr_t)&head,
76 minutetimeout) != RPC_SUCCESS)
77 {
78 clnt_perror (client, _("pmap_getmaps.c: rpc problem"));
79 }
80 CLNT_DESTROY (client);
81 }
82 /* We only need to close the socket here if we opened it. */
83 if (closeit)
84 __close_nocancel (socket);
85 address->sin_port = 0;
86 return head;
87}
88libc_hidden_nolink_sunrpc (pmap_getmaps, GLIBC_2_0)
89