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 | */ |
54 | struct pmaplist * |
55 | pmap_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 | } |
88 | libc_hidden_nolink_sunrpc (pmap_getmaps, GLIBC_2_0) |
89 | |