yppoll.c revision 85641 
1/*
2 * Copyright (c) 1992/3 Theo de Raadt <deraadt@fsa.ca>
3 * Copyright (c) 1992/3 John Brezak
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote
15 *    products derived from this software without specific prior written
16 *    permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
19 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
22 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31#ifndef lint
32static const char rcsid[] =
33  "$FreeBSD: head/usr.sbin/yppoll/yppoll.c 85641 2001-10-28 20:40:58Z dillon $";
34#endif /* not lint */
35
36#include <sys/param.h>
37#include <sys/types.h>
38#include <sys/socket.h>
39#include <err.h>
40#include <stdio.h>
41#include <stdlib.h>
42#include <time.h>
43#include <unistd.h>
44
45#include <rpc/rpc.h>
46#include <rpc/xdr.h>
47#include <rpcsvc/yp_prot.h>
48#include <rpcsvc/ypclnt.h>
49
50static void
51usage()
52{
53	fprintf(stderr, "usage: yppoll [-h host] [-d domainname] mapname\n");
54	exit(1);
55}
56
57int
58main(argc, argv)
59char **argv;
60{
61	char *domainname;
62        char *hostname = "localhost";
63        char *inmap, *master;
64        int order;
65	int c, r;
66	time_t t;
67
68        yp_get_default_domain(&domainname);
69
70	while( (c=getopt(argc, argv, "h:d:")) != -1)
71		switch(c) {
72		case 'd':
73                        domainname = optarg;
74			break;
75                case 'h':
76                        hostname = optarg;
77                        break;
78                case '?':
79                        usage();
80                        /*NOTREACHED*/
81		}
82
83	if(optind + 1 != argc )
84		usage();
85
86	inmap = argv[optind];
87
88	r = yp_order(domainname, inmap, &order);
89        if (r != 0)
90		errx(1, "no such map %s. Reason: %s", inmap, yperr_string(r));
91	t = int_to_time(order);
92        printf("Map %s has order number %d. %s", inmap, order, ctime(&t));
93	r = yp_master(domainname, inmap, &master);
94        if (r != 0)
95		errx(1, "no such map %s. Reason: %s", inmap, yperr_string(r));
96        printf("The master server is %s.\n", master);
97
98        exit(0);
99}
100