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yppoll.c revision 1.3 
      1 /*
      2  * Copyright (c) 1992, 1993 Theo de Raadt <deraadt (at) fsa.ca>
      3  * Copyright (c) 1992, 1993 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. All advertising materials mentioning features or use of this software
     15  *    must display the following acknowledgement:
     16  *	This product includes software developed by Theo de Raadt and
     17  *	John Brezak.
     18  * 4. The name of the author may not be used to endorse or promote
     19  *    products derived from this software without specific prior written
     20  *    permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
     23  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     24  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
     26  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     32  * SUCH DAMAGE.
     33  */
     34 
     35 #ifndef lint
     36 static char rcsid[] = "$Id: yppoll.c,v 1.3 1994/05/25 09:55:41 deraadt Exp $";
     37 #endif /* not lint */
     38 
     39 #include <sys/param.h>
     40 #include <sys/types.h>
     41 #include <sys/socket.h>
     42 #include <stdio.h>
     43 #include <time.h>
     44 
     45 #include <rpc/rpc.h>
     46 #include <rpc/xdr.h>
     47 #include <rpcsvc/yp_prot.h>
     48 #include <rpcsvc/ypclnt.h>
     49 
     50 usage()
     51 {
     52 	fprintf(stderr, "Usage:\n");
     53 	fprintf(stderr, "\typpoll [-h host] [-d domainname] mapname\n");
     54 	exit(1);
     55 }
     56 
     57 int
     58 main(argc, argv)
     59 char **argv;
     60 {
     61 	char *domainname;
     62         char *hostname = "localhost";
     63         char *inmap, *master;
     64         int order;
     65 	extern char *optarg;
     66 	extern int optind;
     67 	int c, r;
     68 
     69         yp_get_default_domain(&domainname);
     70 
     71 	while( (c=getopt(argc, argv, "h:d:?")) != -1)
     72 		switch(c) {
     73 		case 'd':
     74                         domainname = optarg;
     75 			break;
     76                 case 'h':
     77                         hostname = optarg;
     78                         break;
     79                 case '?':
     80                         usage();
     81                         /*NOTREACHED*/
     82 		}
     83 
     84 	if(optind + 1 != argc )
     85 		usage();
     86 
     87 	inmap = argv[optind];
     88 
     89 	r = yp_order(domainname, inmap, &order);
     90         if (r != 0) {
     91 		fprintf(stderr, "No such map %s. Reason: %s\n",
     92 			inmap, yperr_string(r));
     93                 exit(1);
     94 	}
     95         printf("Map %s has order number %d. %s", inmap, order, ctime((time_t *)&order));
     96 	r = yp_master(domainname, inmap, &master);
     97         if (r != 0) {
     98 		fprintf(stderr, "No such map %s. Reason: %s\n",
     99 			inmap, yperr_string(r));
    100                 exit(1);
    101 	}
    102         printf("The master server is %s.\n", master);
    103 
    104         exit(0);
    105 }
    106