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ypmatch.c revision 1.4 
      1 /*
      2  * Copyright (c) 1992, 1993 Theo de Raadt <deraadt (at) fsa.ca>
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  * 3. All advertising materials mentioning features or use of this software
     14  *    must display the following acknowledgement:
     15  *	This product includes software developed by Theo de Raadt.
     16  * 4. The name of the author may not be used to endorse or promote
     17  *    products derived from this software without specific prior written
     18  *    permission.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
     21  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     22  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
     24  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     30  * SUCH DAMAGE.
     31  */
     32 
     33 #ifndef LINT
     34 static char rcsid[] = "$Id: ypmatch.c,v 1.4 1994/05/25 09:54:56 deraadt Exp $";
     35 #endif
     36 
     37 #include <sys/param.h>
     38 #include <sys/types.h>
     39 #include <sys/socket.h>
     40 #include <stdio.h>
     41 #include <ctype.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 struct ypalias {
     49 	char *alias, *name;
     50 } ypaliases[] = {
     51 	{ "passwd", "passwd.byname" },
     52 	{ "group", "group.byname" },
     53 	{ "networks", "networks.byaddr" },
     54 	{ "hosts", "hosts.byname" },
     55 	{ "protocols", "protocols.bynumber" },
     56 	{ "services", "services.byname" },
     57 	{ "aliases", "mail.aliases" },
     58 	{ "ethers", "ethers.byname" },
     59 };
     60 
     61 usage()
     62 {
     63 	fprintf(stderr, "Usage:\n");
     64 	fprintf(stderr, "\typmatch [-d domain] [-t] [-k] key [key ...] mname\n");
     65 	fprintf(stderr, "\typmatch -x\n");
     66 	fprintf(stderr, "where\n");
     67 	fprintf(stderr, "\tmname may be either a mapname or a nickname for a map\n");
     68 	fprintf(stderr, "\t-t inhibits map nickname translation\n");
     69 	fprintf(stderr, "\t-k prints keys as well as values.\n");
     70 	fprintf(stderr, "\t-x dumps the map nickname translation table.\n");
     71 	exit(1);
     72 }
     73 
     74 int
     75 main(argc, argv)
     76 char **argv;
     77 {
     78 	char *domainname;
     79 	char *inkey, *inmap, *outbuf;
     80 	extern char *optarg;
     81 	extern int optind;
     82 	int outbuflen, key, notrans;
     83 	int c, r, i;
     84 
     85 	notrans = key = 0;
     86 	yp_get_default_domain(&domainname);
     87 
     88 	while( (c=getopt(argc, argv, "xd:kt")) != -1)
     89 		switch(c) {
     90 		case 'x':
     91 			for(i=0; i<sizeof ypaliases/sizeof ypaliases[0]; i++)
     92 				printf("Use \"%s\" for \"%s\"\n",
     93 					ypaliases[i].alias,
     94 					ypaliases[i].name);
     95 			exit(0);
     96 		case 'd':
     97 			domainname = optarg;
     98 			break;
     99 		case 't':
    100 			notrans++;
    101 			break;
    102 		case 'k':
    103 			key++;
    104 			break;
    105 		default:
    106 			usage();
    107 		}
    108 
    109 	if( (argc-optind) < 2 )
    110 		usage();
    111 
    112 	inmap = argv[argc-1];
    113 	for(i=0; (!notrans) && i<sizeof ypaliases/sizeof ypaliases[0]; i++)
    114 		if( strcmp(inmap, ypaliases[i].alias) == 0)
    115 			inmap = ypaliases[i].name;
    116 	for(; optind < argc-1; optind++) {
    117 		inkey = argv[optind];
    118 
    119 		r = yp_match(domainname, inmap, inkey,
    120 			strlen(inkey), &outbuf, &outbuflen);
    121 		switch(r) {
    122 		case 0:
    123 			if(key)
    124 				printf("%s ", inkey);
    125 			printf("%*.*s\n", outbuflen, outbuflen, outbuf);
    126 			break;
    127 		case YPERR_YPBIND:
    128 			fprintf(stderr, "yp_match: not running ypbind\n");
    129 			exit(1);
    130 		default:
    131 			fprintf(stderr, "Can't match key %s in map %s. Reason: %s\n",
    132 				inkey, inmap, yperr_string(r));
    133 			break;
    134 		}
    135 	}
    136 	exit(0);
    137 }
    138