1 /* $NetBSD: netgroup.c,v 1.2 2000/07/03 02:51:25 matt 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include <sys/cdefs.h> 40 __RCSID("$NetBSD: netgroup.c,v 1.2 2000/07/03 02:51:25 matt Exp $"); 41 42 #include <stdio.h> 43 #include <stdlib.h> 44 #include <unistd.h> 45 #include <netgroup.h> 46 47 static void usage __P((void)) __attribute__((__noreturn__)); 48 int main __P((int, char *[])); 49 50 static void 51 usage() 52 { 53 extern char *__progname; 54 55 (void)fprintf(stderr, "Usage: %s [-hud] <netgroup>\n", __progname); 56 exit(1); 57 } 58 59 int 60 main(argc, argv) 61 int argc; 62 char *argv[]; 63 { 64 int c, i = 0; 65 const char *p[3]; 66 67 while ((c = getopt(argc, argv, "hud")) != -1) 68 switch (c) { 69 case 'h': 70 i = 0; 71 break; 72 case 'u': 73 i = 1; 74 break; 75 case 'd': 76 i = 2; 77 break; 78 default: 79 usage(); 80 } 81 82 if (optind >= argc) 83 usage(); 84 85 for(; optind < argc; optind++) { 86 setnetgrent(argv[optind]); 87 while (getnetgrent(&p[0], &p[1], &p[2])) 88 if (p[i]) 89 printf("%s\n", p[i]); 90 endnetgrent(); 91 } 92 return 0; 93 } 94