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ypmatch.c revision 1.14 
      1 /*	$NetBSD: ypmatch.c,v 1.14 2003/04/12 09:13:29 christos Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1992, 1993 Theo de Raadt <deraadt (at) fsa.ca>
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by Theo de Raadt.
     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 #include <sys/cdefs.h>
     36 #ifndef lint
     37 __RCSID("$NetBSD: ypmatch.c,v 1.14 2003/04/12 09:13:29 christos Exp $");
     38 #endif
     39 
     40 #include <sys/param.h>
     41 #include <sys/types.h>
     42 #include <sys/socket.h>
     43 #include <ctype.h>
     44 #include <err.h>
     45 #include <stdio.h>
     46 #include <stdlib.h>
     47 #include <string.h>
     48 #include <unistd.h>
     49 
     50 #include <rpc/rpc.h>
     51 #include <rpc/xdr.h>
     52 #include <rpcsvc/yp_prot.h>
     53 #include <rpcsvc/ypclnt.h>
     54 
     55 const struct ypalias {
     56 	char *alias, *name;
     57 } ypaliases[] = {
     58 	{ "passwd", "passwd.byname" },
     59 	{ "group", "group.byname" },
     60 	{ "networks", "networks.byaddr" },
     61 	{ "hosts", "hosts.byname" },
     62 	{ "protocols", "protocols.bynumber" },
     63 	{ "services", "services.byname" },
     64 	{ "aliases", "mail.aliases" },
     65 	{ "ethers", "ethers.byname" },
     66 };
     67 
     68 int	main __P((int, char *[]));
     69 void	usage __P((void));
     70 
     71 int
     72 main(argc, argv)
     73 	int argc;
     74 	char *argv[];
     75 {
     76 	char *domainname;
     77 	char *inkey, *inmap, *outbuf;
     78 	int outbuflen, key, null, notrans;
     79 	int c, r, i, len;
     80 	int rval;
     81 
     82 	domainname = NULL;
     83 	notrans = key = null = 0;
     84 	while ((c = getopt(argc, argv, "xd:ktz")) != -1) {
     85 		switch (c) {
     86 		case 'x':
     87 			for(i = 0;
     88 			    i < sizeof(ypaliases)/sizeof(ypaliases[0]); i++)
     89 				printf("Use \"%s\" for \"%s\"\n",
     90 					ypaliases[i].alias,
     91 					ypaliases[i].name);
     92 			exit(0);
     93 
     94 		case 'd':
     95 			domainname = optarg;
     96 			break;
     97 
     98 		case 't':
     99 			notrans++;
    100 			break;
    101 
    102 		case 'k':
    103 			key++;
    104 			break;
    105 
    106 		case 'z':
    107 			null++;
    108 			break;
    109 
    110 		default:
    111 			usage();
    112 		}
    113 	}
    114 
    115 	argc -= optind;
    116 	argv += optind;
    117 
    118 	if (argc < 2)
    119 		usage();
    120 
    121 	if (domainname == NULL)
    122 		yp_get_default_domain(&domainname);
    123 
    124 	inmap = argv[argc - 1];
    125 	if (notrans == 0) {
    126 		for (i = 0 ; i < sizeof(ypaliases)/sizeof(ypaliases[0]); i++)
    127 			if (strcmp(inmap, ypaliases[i].alias) == 0)
    128 				inmap = ypaliases[i].name;
    129 	}
    130 
    131 	rval = 0;
    132 	for(i = 0; i < (argc - 1); i++) {
    133 		inkey = argv[i];
    134 
    135 		len = strlen(inkey);
    136 		if (null)
    137 			len++;
    138 		r = yp_match(domainname, inmap, inkey, len,
    139 		    &outbuf, &outbuflen);
    140 		switch (r) {
    141 		case 0:
    142 			if (key)
    143 				printf("%s: ", inkey);
    144 			fwrite(outbuf, outbuflen, 1, stdout);
    145 			putc('\n', stdout);
    146 			break;
    147 
    148 		case YPERR_YPBIND:
    149 			errx(1, "not running ypbind");
    150 
    151 		default:
    152 			warnx("can't match key %s in map %s.  Reason: %s",
    153 			    inkey, inmap, yperr_string(r));
    154 			rval = 1;
    155 			break;
    156 		}
    157 	}
    158 
    159 	exit(rval);
    160 }
    161 
    162 void
    163 usage()
    164 {
    165 
    166 	fprintf(stderr, "Usage: %s [-d domain] [-tkz] key [key ...] "
    167 	    "mapname\n", getprogname());
    168 	fprintf(stderr, "       %s -x\n", getprogname());
    169 	exit(1);
    170 }
    171