1 /* $NetBSD: netgroup.c,v 1.9 2016/09/03 05:58:30 dholland Exp $ */
2
3 /*-
4 * Copyright (c) 1999 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Christos Zoulas.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include <sys/cdefs.h>
33 __RCSID("$NetBSD: netgroup.c,v 1.9 2016/09/03 05:58:30 dholland Exp $");
34
35 #include <stdio.h>
36 #include <stdlib.h>
37 #include <unistd.h>
38 #include <netgroup.h>
39
40 static __dead void
usage(void)41 usage(void)
42 {
43
44 (void)fprintf(stderr, "usage: %s [-hud] <netgroup>\n", getprogname());
45 exit(1);
46 }
47
48 int
main(int argc,char * argv[])49 main(int argc, char *argv[])
50 {
51 int c, i = 0;
52 const char *p[3];
53
54 while ((c = getopt(argc, argv, "hud")) != -1)
55 switch (c) {
56 case 'h':
57 i = 0;
58 break;
59 case 'u':
60 i = 1;
61 break;
62 case 'd':
63 i = 2;
64 break;
65 default:
66 usage();
67 }
68
69 if (optind >= argc)
70 usage();
71
72 for(; optind < argc; optind++) {
73 setnetgrent(argv[optind]);
74 while (getnetgrent(&p[0], &p[1], &p[2]))
75 if (p[i])
76 printf("%s\n", p[i]);
77 endnetgrent();
78 }
79 return 0;
80 }
81