usr.sbin/yppoll/yppoll.c

   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  * $FreeBSD: src/usr.sbin/yppoll/yppoll.c,v 1.5.2.2 2002/02/15 00:46:59 des Exp $
  31  * $DragonFly: src/usr.sbin/yppoll/yppoll.c,v 1.3 2005/11/24 22:23:02 swildner Exp $
  32  */
  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
  48 static void
  49 usage(void)
  50 {
  51         fprintf(stderr, "usage: yppoll [-h host] [-d domainname] mapname\n");
  52         exit(1);
  53 }
  54
  55 int
  56 main(int argc, char **argv)
  57 {
  58         char *domainname;
  59         char *hostname = "localhost";
  60         char *inmap, *master;
  61         int order;
  62         int c, r;
  63
  64         yp_get_default_domain(&domainname);
  65
  66         while ((c = getopt(argc, argv, "h:d:")) != -1)
  67                 switch (c) {
  68                 case 'd':
  69                         domainname = optarg;
  70                         break;
  71                 case 'h':
  72                         hostname = optarg;
  73                         break;
  74                 case '?':
  75                         usage();
  76                         /*NOTREACHED*/
  77                 }
  78
  79         if (optind + 1 != argc)
  80                 usage();
  81
  82         inmap = argv[optind];
  83
  84         r = yp_order(domainname, inmap, &order);
  85         if (r != 0)
  86                 errx(1, "no such map %s. Reason: %s", inmap, yperr_string(r));
  87         printf("Map %s has order number %d. %s", inmap, order,
  88                         ctime((time_t *)&order));
  89         r = yp_master(domainname, inmap, &master);
  90         if (r != 0)
  91                 errx(1, "no such map %s. Reason: %s", inmap, yperr_string(r));
  92         printf("The master server is %s.\n", master);
  93
  94         exit(0);
  95 }