1 /* $OpenBSD: ypmatch.c,v 1.17 2021/06/22 20:14:25 jmc Exp $ */
2 /* $NetBSD: ypmatch.c,v 1.8 1996/05/07 01:24:52 jtc Exp $ */
3
4 /*
5 * Copyright (c) 1992, 1993, 1996 Theo de Raadt <deraadt@theos.com>
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
18 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30 #include <sys/types.h>
31 #include <sys/socket.h>
32 #include <stdio.h>
33 #include <stdlib.h>
34 #include <string.h>
35 #include <unistd.h>
36 #include <ctype.h>
37
38 #include <rpc/rpc.h>
39 #include <rpc/xdr.h>
40 #include <rpcsvc/yp_prot.h>
41 #include <rpcsvc/ypclnt.h>
42
43 void usage(void);
44
45 struct ypalias {
46 char *alias, *name;
47 } ypaliases[] = {
48 { "passwd", "passwd.byname" },
49 { "group", "group.byname" },
50 { "networks", "networks.byaddr" },
51 { "hosts", "hosts.byname" },
52 { "protocols", "protocols.bynumber" },
53 { "services", "services.byname" },
54 { "aliases", "mail.aliases" },
55 { "ethers", "ethers.byname" },
56 };
57
58 void
usage(void)59 usage(void)
60 {
61 fprintf(stderr,
62 "usage: ypmatch [-kt] [-d domain] key ... mapname\n"
63 " ypmatch -x\n");
64
65 exit(1);
66 }
67
68 int
main(int argc,char * argv[])69 main(int argc, char *argv[])
70 {
71 char *domainname, *inkey, *inmap, *outbuf;
72 extern char *optarg;
73 extern int optind;
74 int outbuflen, key, notrans, rval;
75 int c, r, i;
76
77 domainname = NULL;
78 notrans = key = 0;
79 while ((c=getopt(argc, argv, "xd:kt")) != -1)
80 switch (c) {
81 case 'x':
82 for(i=0; i<sizeof ypaliases/sizeof ypaliases[0]; i++)
83 printf("Use \"%s\" for \"%s\"\n",
84 ypaliases[i].alias,
85 ypaliases[i].name);
86 exit(0);
87 case 'd':
88 domainname = optarg;
89 break;
90 case 't':
91 notrans = 1;
92 break;
93 case 'k':
94 key = 1;
95 break;
96 default:
97 usage();
98 }
99
100 if ((argc-optind) < 2 )
101 usage();
102
103 if (!domainname) {
104 yp_get_default_domain(&domainname);
105 }
106
107 inmap = argv[argc-1];
108 if (!notrans) {
109 for(i=0; i<sizeof ypaliases/sizeof ypaliases[0]; i++)
110 if (strcmp(inmap, ypaliases[i].alias) == 0)
111 inmap = ypaliases[i].name;
112 }
113
114 rval = 0;
115 for(; optind < argc-1; optind++) {
116 inkey = argv[optind];
117
118 r = yp_match(domainname, inmap, inkey,
119 strlen(inkey), &outbuf, &outbuflen);
120 switch (r) {
121 case 0:
122 if (key)
123 printf("%s: ", inkey);
124 printf("%*.*s\n", outbuflen, outbuflen, outbuf);
125 break;
126 case YPERR_YPBIND:
127 fprintf(stderr, "yp_match: not running ypbind\n");
128 exit(1);
129 default:
130 fprintf(stderr, "Can't match key %s in map %s. Reason: %s\n",
131 inkey, inmap, yperr_string(r));
132 rval = 1;
133 break;
134 }
135 }
136 exit(rval);
137 }
138