1 /* $NetBSD: netgroup.c,v 1.6 2008/04/28 20:24:14 martin 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 1.6 2008/04/28 20:24:14 martin Exp $"); 34 35 #include <stdio.h> 36 #include <stdlib.h> 37 #include <unistd.h> 38 #include <netgroup.h> 39 40 static void usage __P((void)) __dead; 41 int main __P((int, char *[])); 42 43 static void 44 usage() 45 { 46 47 (void)fprintf(stderr, "usage: %s [-hud] <netgroup>\n", getprogname()); 48 exit(1); 49 } 50 51 int 52 main(argc, argv) 53 int argc; 54 char *argv[]; 55 { 56 int c, i = 0; 57 const char *p[3]; 58 59 while ((c = getopt(argc, argv, "hud")) != -1) 60 switch (c) { 61 case 'h': 62 i = 0; 63 break; 64 case 'u': 65 i = 1; 66 break; 67 case 'd': 68 i = 2; 69 break; 70 default: 71 usage(); 72 } 73 74 if (optind >= argc) 75 usage(); 76 77 for(; optind < argc; optind++) { 78 setnetgrent(argv[optind]); 79 while (getnetgrent(&p[0], &p[1], &p[2])) 80 if (p[i]) 81 printf("%s\n", p[i]); 82 endnetgrent(); 83 } 84 return 0; 85 } 86