1 /* $OpenBSD: ypcat.c,v 1.20 2015/11/11 02:52:46 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/types.h>
30 #include <sys/socket.h>
31 #include <unistd.h>
32 #include <string.h>
33 #include <stdio.h>
34 #include <stdlib.h>
35 #include <ctype.h>
36
37 #include <rpc/rpc.h>
38 #include <rpc/xdr.h>
39 #include <rpcsvc/yp.h>
40 #include <rpcsvc/ypclnt.h>
41
42 void usage(void);
43 int printit(u_long, char *, int, char *, int, void *);
44
45 struct ypalias {
46 char *alias, *name;
47 } ypaliases[] = {
48 { "passwd", "passwd.byname" },
49 { "master.passwd", "master.passwd.byname" },
50 { "group", "group.byname" },
51 { "networks", "networks.byaddr" },
52 { "hosts", "hosts.byaddr" },
53 { "protocols", "protocols.bynumber" },
54 { "services", "services.byname" },
55 { "aliases", "mail.aliases" },
56 { "ethers", "ethers.byname" },
57 };
58
59 int key;
60
61 void
usage(void)62 usage(void)
63 {
64 fprintf(stderr,
65 "usage: ypcat [-kt] [-d domainname] mapname\n"
66 " ypcat -x\n");
67 exit(1);
68 }
69
70 int
printit(u_long instatus,char * inkey,int inkeylen,char * inval,int invallen,void * indata)71 printit(u_long instatus, char *inkey, int inkeylen, char *inval, int invallen,
72 void *indata)
73 {
74 if (instatus != YP_TRUE)
75 return instatus;
76 if (key)
77 printf("%*.*s ", inkeylen, inkeylen, inkey);
78 printf("%*.*s\n", invallen, invallen, inval);
79 return 0;
80 }
81
82 int
main(int argc,char * argv[])83 main(int argc, char *argv[])
84 {
85 char *domain = NULL, *inmap;
86 struct ypall_callback ypcb;
87 extern char *optarg;
88 extern int optind;
89 int notrans, c, r, i;
90
91 if (pledge("stdio rpath inet getpw", NULL) == -1) {
92 perror("pledge");
93 exit(1);
94 }
95
96 notrans = key = 0;
97 while ((c=getopt(argc, argv, "xd:kt")) != -1)
98 switch (c) {
99 case 'x':
100 for (i=0; i<sizeof ypaliases/sizeof ypaliases[0]; i++)
101 printf("Use \"%s\" for \"%s\"\n",
102 ypaliases[i].alias, ypaliases[i].name);
103 exit(0);
104 case 'd':
105 domain = optarg;
106 break;
107 case 't':
108 notrans = 1;
109 break;
110 case 'k':
111 key = 1;
112 break;
113 default:
114 usage();
115 }
116
117 if (optind + 1 != argc )
118 usage();
119
120 if (!domain)
121 yp_get_default_domain(&domain);
122
123 inmap = argv[optind];
124 if (!notrans) {
125 for (i=0; i<sizeof ypaliases/sizeof ypaliases[0]; i++)
126 if (strcmp(inmap, ypaliases[i].alias) == 0)
127 inmap = ypaliases[i].name;
128 }
129 ypcb.foreach = printit;
130 ypcb.data = NULL;
131
132 r = yp_all(domain, inmap, &ypcb);
133 switch (r) {
134 case 0:
135 break;
136 case YPERR_YPBIND:
137 fprintf(stderr, "ypcat: not running ypbind\n");
138 exit(1);
139 default:
140 fprintf(stderr, "No such map %s. Reason: %s\n",
141 inmap, yperr_string(r));
142 exit(1);
143 }
144 exit(0);
145 }
146