1 /* $OpenBSD: ypcat.c,v 1.16 2015/02/08 23:40:35 deraadt Exp $ */
2
3 /*
4 * Copyright (c) 1992, 1993, 1996 Theo de Raadt <deraadt@theos.com>
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 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
17 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30
31 __FBSDID("$FreeBSD$");
32
33 #include <sys/param.h>
34 #include <sys/types.h>
35 #include <sys/socket.h>
36
37 #include <ctype.h>
38 #include <err.h>
39 #include <stdio.h>
40 #include <stdlib.h>
41 #include <string.h>
42 #include <unistd.h>
43
44 #include <rpc/rpc.h>
45 #include <rpc/xdr.h>
46 #include <rpcsvc/yp.h>
47 #include <rpcsvc/ypclnt.h>
48
49 static const struct ypalias {
50 char *alias, *name;
51 } ypaliases[] = {
52 { "passwd", "passwd.byname" },
53 { "master.passwd", "master.passwd.byname" },
54 { "shadow", "shadow.byname" },
55 { "group", "group.byname" },
56 { "networks", "networks.byaddr" },
57 { "hosts", "hosts.byaddr" },
58 { "protocols", "protocols.bynumber" },
59 { "services", "services.byname" },
60 { "aliases", "mail.aliases" },
61 { "ethers", "ethers.byname" },
62 };
63
64 static int key;
65
66 static void
usage(void)67 usage(void)
68 {
69 fprintf(stderr, "%s\n%s\n",
70 "usage: ypcat [-kt] [-d domainname] mapname",
71 " ypcat -x");
72 exit(1);
73 }
74
75 static int
printit(u_long instatus,char * inkey,int inkeylen,char * inval,int invallen,void * indata)76 printit(u_long instatus, char *inkey, int inkeylen, char *inval, int invallen,
77 void *indata)
78 {
79 if (instatus != YP_TRUE)
80 return (instatus);
81 if (key)
82 printf("%*.*s ", inkeylen, inkeylen, inkey);
83 printf("%*.*s\n", invallen, invallen, inval);
84 return (0);
85 }
86
87 int
main(int argc,char * argv[])88 main(int argc, char *argv[])
89 {
90 char *domain = NULL, *inmap;
91 struct ypall_callback ypcb;
92 int c, notrans, r;
93 u_int i;
94
95 notrans = key = 0;
96 while ((c = getopt(argc, argv, "xd:kt")) != -1)
97 switch (c) {
98 case 'x':
99 for (i = 0; i < nitems(ypaliases); i++)
100 printf("Use \"%s\" for \"%s\"\n",
101 ypaliases[i].alias, ypaliases[i].name);
102 exit(0);
103 case 'd':
104 domain = optarg;
105 break;
106 case 't':
107 notrans = 1;
108 break;
109 case 'k':
110 key = 1;
111 break;
112 default:
113 usage();
114 }
115
116 if (optind + 1 != argc)
117 usage();
118
119 if (domain == NULL)
120 yp_get_default_domain(&domain);
121
122 inmap = argv[optind];
123 if (notrans == 0) {
124 for (i = 0; i < nitems(ypaliases); i++)
125 if (strcmp(inmap, ypaliases[i].alias) == 0)
126 inmap = ypaliases[i].name;
127 }
128 ypcb.foreach = printit;
129 ypcb.data = NULL;
130
131 r = yp_all(domain, inmap, &ypcb);
132 switch (r) {
133 case 0:
134 break;
135 case YPERR_YPBIND:
136 errx(1, "not running ypbind");
137 default:
138 errx(1, "no such map %s. Reason: %s",
139 inmap, yperr_string(r));
140 }
141 exit(0);
142 }
143