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yppoll.c revision 1.1 
      1 /*
      2  * Copyright (c) 1992/3 Theo de Raadt <deraadt (at) 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
     32 static char rcsid[] = "yppoll.c,v 1.1 1993/05/28 09:20:07 brezak Exp";
     33 #endif
     34 
     35 #include <sys/param.h>
     36 #include <sys/types.h>
     37 #include <sys/socket.h>
     38 #include <stdio.h>
     39 #include <time.h>
     40 
     41 #include <rpc/rpc.h>
     42 #include <rpc/xdr.h>
     43 #include <rpcsvc/yp_prot.h>
     44 #include <rpcsvc/ypclnt.h>
     45 
     46 usage()
     47 {
     48 	fprintf(stderr, "Usage:\n");
     49 	fprintf(stderr, "\typpoll [-h host] [-d domainname] mapname\n");
     50 	exit(1);
     51 }
     52 
     53 int
     54 main(argc, argv)
     55 char **argv;
     56 {
     57 	char *domainname;
     58         char *hostname = "localhost";
     59         char *inmap, *master;
     60         int order;
     61 	extern char *optarg;
     62 	extern int optind;
     63 	int c, r;
     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 		fprintf(stderr, "No such map %s. Reason: %s\n",
     88 			inmap, yperr_string(r));
     89                 exit(1);
     90 	}
     91         printf("Map %s has order number %d. %s", inmap, order, ctime((time_t *)&order));
     92 	r = yp_master(domainname, inmap, &master);
     93         if (r != 0) {
     94 		fprintf(stderr, "No such map %s. Reason: %s\n",
     95 			inmap, yperr_string(r));
     96                 exit(1);
     97 	}
     98         printf("The master server is %s.\n", master);
     99 
    100         exit(0);
    101 }
    102