xref: /freebsd/usr.sbin/yppoll/yppoll.c (revision 2be1a816b9ff69588e55be0a84cbe2a31efc0f2f)
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("$FreeBSD$");
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 <timeconv.h>
42 #include <unistd.h>
43 
44 #include <rpc/rpc.h>
45 #include <rpc/xdr.h>
46 #include <rpcsvc/yp_prot.h>
47 #include <rpcsvc/ypclnt.h>
48 
49 static void
50 usage(void)
51 {
52 	fprintf(stderr, "usage: yppoll [-h host] [-d domainname] mapname\n");
53 	exit(1);
54 }
55 
56 int
57 main(int argc, char *argv[])
58 {
59 	char *domainname;
60         char *hostname = "localhost";
61         char *inmap, *master;
62         int order;
63 	int c, r;
64 	time_t t;
65 
66         yp_get_default_domain(&domainname);
67 
68 	while ((c = getopt(argc, argv, "h:d:")) != -1)
69 		switch (c) {
70 		case 'd':
71                         domainname = optarg;
72 			break;
73                 case 'h':
74                         hostname = optarg;
75                         break;
76                 case '?':
77                         usage();
78                         /*NOTREACHED*/
79 		}
80 
81 	if (optind + 1 != argc)
82 		usage();
83 
84 	inmap = argv[optind];
85 
86 	r = yp_order(domainname, inmap, &order);
87         if (r != 0)
88 		errx(1, "no such map %s. Reason: %s", inmap, yperr_string(r));
89 	t = _int_to_time(order);
90         printf("Map %s has order number %d. %s", inmap, order, ctime(&t));
91 	r = yp_master(domainname, inmap, &master);
92         if (r != 0)
93 		errx(1, "no such map %s. Reason: %s", inmap, yperr_string(r));
94         printf("The master server is %s.\n", master);
95 
96         exit(0);
97 }
98