xref: /openbsd/lib/libc/rpc/pmap_getmaps.c (revision 404b540a)
1 /*	$OpenBSD: pmap_getmaps.c,v 1.10 2005/08/08 08:05:35 espie Exp $ */
2 /*
3  * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
4  * unrestricted use provided that this legend is included on all tape
5  * media and as a part of the software program in whole or part.  Users
6  * may copy or modify Sun RPC without charge, but are not authorized
7  * to license or distribute it to anyone else except as part of a product or
8  * program developed by the user.
9  *
10  * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
11  * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
12  * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
13  *
14  * Sun RPC is provided with no support and without any obligation on the
15  * part of Sun Microsystems, Inc. to assist in its use, correction,
16  * modification or enhancement.
17  *
18  * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
19  * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
20  * OR ANY PART THEREOF.
21  *
22  * In no event will Sun Microsystems, Inc. be liable for any lost revenue
23  * or profits or other special, indirect and consequential damages, even if
24  * Sun has been advised of the possibility of such damages.
25  *
26  * Sun Microsystems, Inc.
27  * 2550 Garcia Avenue
28  * Mountain View, California  94043
29  */
30 
31 /*
32  * pmap_getmap.c
33  * Client interface to pmap rpc service.
34  * contains pmap_getmaps, which is only tcp service involved
35  *
36  * Copyright (C) 1984, Sun Microsystems, Inc.
37  */
38 
39 #include <rpc/rpc.h>
40 #include <rpc/pmap_prot.h>
41 #include <rpc/pmap_clnt.h>
42 #include <sys/socket.h>
43 #include <netdb.h>
44 #include <stdio.h>
45 #include <errno.h>
46 #include <unistd.h>
47 #include <net/if.h>
48 #include <sys/ioctl.h>
49 #define NAMELEN 255
50 #define MAX_BROADCAST_SIZE 1400
51 
52 /*
53  * Get a copy of the current port maps.
54  * Calls the pmap service remotely to do get the maps.
55  */
56 struct pmaplist *
57 pmap_getmaps(struct sockaddr_in *address)
58 {
59 	struct pmaplist *head = NULL;
60 	int sock = -1;
61 	struct timeval minutetimeout;
62 	CLIENT *client;
63 
64 	minutetimeout.tv_sec = 60;
65 	minutetimeout.tv_usec = 0;
66 	address->sin_port = htons(PMAPPORT);
67 	client = clnttcp_create(address, PMAPPROG,
68 	    PMAPVERS, &sock, 50, 500);
69 	if (client != NULL) {
70 		if (CLNT_CALL(client, PMAPPROC_DUMP, xdr_void, NULL, xdr_pmaplist,
71 		    &head, minutetimeout) != RPC_SUCCESS) {
72 			clnt_perror(client, "pmap_getmaps rpc problem");
73 		}
74 		CLNT_DESTROY(client);
75 	}
76 	if (sock != -1)
77 		(void)close(sock);
78 	address->sin_port = 0;
79 	return (head);
80 }
81