1 /* $NetBSD: netgroup.c,v 1.3 2001/02/19 23:03:49 cgd 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 1.3 2001/02/19 23:03:49 cgd 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 54 (void)fprintf(stderr, "Usage: %s [-hud] <netgroup>\n", getprogname()); 55 exit(1); 56 } 57 58 int 59 main(argc, argv) 60 int argc; 61 char *argv[]; 62 { 63 int c, i = 0; 64 const char *p[3]; 65 66 while ((c = getopt(argc, argv, "hud")) != -1) 67 switch (c) { 68 case 'h': 69 i = 0; 70 break; 71 case 'u': 72 i = 1; 73 break; 74 case 'd': 75 i = 2; 76 break; 77 default: 78 usage(); 79 } 80 81 if (optind >= argc) 82 usage(); 83 84 for(; optind < argc; optind++) { 85 setnetgrent(argv[optind]); 86 while (getnetgrent(&p[0], &p[1], &p[2])) 87 if (p[i]) 88 printf("%s\n", p[i]); 89 endnetgrent(); 90 } 91 return 0; 92 } 93