yppoll.c revision 114601 
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#include <sys/cdefs.h>
32__FBSDID("$FreeBSD: head/usr.sbin/yppoll/yppoll.c 114601 2003-05-03 21:06:42Z obrien $");
33
34#include <sys/param.h>
35#include <sys/types.h>
36#include <sys/socket.h>
37#include <err.h>
38#include <stdio.h>
39#include <stdlib.h>
40#include <time.h>
41#include <unistd.h>
42
43#include <rpc/rpc.h>
44#include <rpc/xdr.h>
45#include <rpcsvc/yp_prot.h>
46#include <rpcsvc/ypclnt.h>
47
48static void
49usage(void)
50{
51	fprintf(stderr, "usage: yppoll [-h host] [-d domainname] mapname\n");
52	exit(1);
53}
54
55int
56main(int argc, char *argv[])
57{
58	char *domainname;
59        char *hostname = "localhost";
60        char *inmap, *master;
61        int order;
62	int c, r;
63	time_t t;
64
65        yp_get_default_domain(&domainname);
66
67	while ((c = getopt(argc, argv, "h:d:")) != -1)
68		switch (c) {
69		case 'd':
70                        domainname = optarg;
71			break;
72                case 'h':
73                        hostname = optarg;
74                        break;
75                case '?':
76                        usage();
77                        /*NOTREACHED*/
78		}
79
80	if (optind + 1 != argc)
81		usage();
82
83	inmap = argv[optind];
84
85	r = yp_order(domainname, inmap, &order);
86        if (r != 0)
87		errx(1, "no such map %s. Reason: %s", inmap, yperr_string(r));
88	t = _int_to_time(order);
89        printf("Map %s has order number %d. %s", inmap, order, ctime(&t));
90	r = yp_master(domainname, inmap, &master);
91        if (r != 0)
92		errx(1, "no such map %s. Reason: %s", inmap, yperr_string(r));
93        printf("The master server is %s.\n", master);
94
95        exit(0);
96}
97