xref: /netbsd/usr.bin/ypmatch/ypmatch.c (revision bf9ec67e)
1 /*	$NetBSD: ypmatch.c,v 1.13 2001/02/19 23:03:54 cgd Exp $	*/
2 
3 /*
4  * Copyright (c) 1992, 1993 Theo de Raadt <deraadt@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 1.13 2001/02/19 23:03:54 cgd 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, notrans;
79 	int c, r, i;
80 	int rval;
81 
82 	domainname = NULL;
83 	notrans = key = 0;
84 	while ((c = getopt(argc, argv, "xd:kt")) != -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 		default:
107 			usage();
108 		}
109 	}
110 
111 	argc -= optind;
112 	argv += optind;
113 
114 	if (argc < 2)
115 		usage();
116 
117 	if (domainname == NULL)
118 		yp_get_default_domain(&domainname);
119 
120 	inmap = argv[argc - 1];
121 	if (notrans == 0) {
122 		for (i = 0 ; i < sizeof(ypaliases)/sizeof(ypaliases[0]); i++)
123 			if (strcmp(inmap, ypaliases[i].alias) == 0)
124 				inmap = ypaliases[i].name;
125 	}
126 
127 	rval = 0;
128 	for(i = 0; i < (argc - 1); i++) {
129 		inkey = argv[i];
130 
131 		r = yp_match(domainname, inmap, inkey, strlen(inkey),
132 		    &outbuf, &outbuflen);
133 		switch (r) {
134 		case 0:
135 			if (key)
136 				printf("%s: ", inkey);
137 			printf("%*.*s\n", outbuflen, outbuflen, outbuf);
138 			break;
139 
140 		case YPERR_YPBIND:
141 			errx(1, "not running ypbind");
142 
143 		default:
144 			warnx("can't match key %s in map %s.  Reason: %s",
145 			    inkey, inmap, yperr_string(r));
146 			rval = 1;
147 			break;
148 		}
149 	}
150 
151 	exit(rval);
152 }
153 
154 void
155 usage()
156 {
157 
158 	fprintf(stderr, "usage: %s [-d domain] [-t] [-k] key [key ...] "
159 	    "mapname\n", getprogname());
160 	fprintf(stderr, "       %s -x\n", getprogname());
161 	exit(1);
162 }
163