xref: /netbsd-src/usr.bin/ypcat/ypcat.c (revision 5aefcfdc06931dd97e76246d2fe0302f7b3fe094)
1 /*	$NetBSD: ypcat.c,v 1.9 2000/07/03 02:51:44 matt 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: ypcat.c,v 1.9 2000/07/03 02:51:44 matt 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.byaddr" },
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 int	printit __P((int, char *, int, char *, int, char *));
70 void	usage __P((void));
71 
72 int key;
73 
74 extern	char *__progname;
75 
76 int
77 main(argc, argv)
78 	int argc;
79 	char *argv[];
80 {
81 	char *domainname;
82 	struct ypall_callback ypcb;
83 	char *inmap;
84 	int notrans;
85 	int c, r, i;
86 
87 	domainname = NULL;
88 	notrans = key = 0;
89 	while((c = getopt(argc, argv, "xd:kt")) != -1) {
90 		switch (c) {
91 		case 'x':
92 			for (i = 0;
93 			    i < sizeof(ypaliases)/sizeof(ypaliases[0]); i++)
94 				printf("Use \"%s\" for \"%s\"\n",
95 					ypaliases[i].alias,
96 					ypaliases[i].name);
97 			exit(0);
98 
99 		case 'd':
100 			domainname = optarg;
101 			break;
102 
103 		case 't':
104 			notrans++;
105 			break;
106 
107 		case 'k':
108 			key++;
109 			break;
110 
111 		default:
112 			usage();
113 		}
114 	}
115 
116 	argc -= optind;
117 	argv += optind;
118 
119 	if (argc != 1)
120 		usage();
121 
122 	if (domainname == NULL)
123 		yp_get_default_domain(&domainname);
124 
125 	inmap = argv[0];
126 	if (notrans == 0) {
127 		for (i = 0; i < sizeof(ypaliases)/sizeof(ypaliases[0]); i++)
128 			if (strcmp(inmap, ypaliases[i].alias) == 0)
129 				inmap = ypaliases[i].name;
130 	}
131 
132 	ypcb.foreach = printit;
133 	ypcb.data = NULL;
134 
135 	r = yp_all(domainname, inmap, &ypcb);
136 	switch (r) {
137 	case 0:
138 		break;
139 
140 	case YPERR_YPBIND:
141 		errx(1, "not running ypbind");
142 
143 	default:
144 		errx(1, "no such map %s.  Reason: %s", inmap, yperr_string(r));
145 	}
146 	exit(0);
147 }
148 
149 int
150 printit(instatus, inkey, inkeylen, inval, invallen, indata)
151 	int instatus;
152 	char *inkey;
153 	int inkeylen;
154 	char *inval;
155 	int invallen;
156 	char *indata;
157 {
158 
159 	if (instatus != YP_TRUE)
160 		return instatus;
161 	if (key)
162 		printf("%*.*s", inkeylen, inkeylen, inkey);
163 	if (invallen)
164 		printf("%s%*.*s", (key ? " " : ""), invallen, invallen, inval);
165 	printf("\n");
166 	return 0;
167 }
168 
169 void
170 usage()
171 {
172 
173 	fprintf(stderr, "usage: %s [-k] [-d domainname] [-t] mapname\n",
174 	    __progname);
175 	fprintf(stderr, "       %s -x\n", __progname);
176 	exit(1);
177 }
178