1 /*- 2 * SPDX-License-Identifier: BSD-4-Clause 3 * 4 * Copyright (c) 1995 5 * Bill Paul <wpaul@ctr.columbia.edu>. 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 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Bill Paul. 18 * 4. Neither the name of the author nor the names of any co-contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * $FreeBSD$ 35 */ 36 37 /* Groupname entry hung off a member_entry node. */ 38 struct grouplist { 39 char *groupname; 40 struct grouplist *next; 41 }; 42 43 /* Entry in the cooked member list hash table. */ 44 struct member_entry { 45 char *key; 46 char *domain; 47 struct grouplist *groups; 48 struct member_entry *next; 49 }; 50 51 /* Entry in the raw netgroup table. */ 52 struct group_entry { 53 char *key; 54 char *data; 55 struct group_entry *next; 56 }; 57 58 /* Table size (chosen arbitrarily). Not too big, not too small. */ 59 #define TABLESIZE 256 60 #define HASH_MASK 0x000000FF 61 62 #define LINSIZ 1024 * 10 63 64 extern void store(struct group_entry ** , char *, char *); 65 extern void mstore(struct member_entry ** , char *, char *, char *); 66 extern char *lookup(struct group_entry **, char *); 67 extern void __endnetgrent(void); 68 extern void __setnetgrent(char *); 69 extern int __getnetgrent(char **, char **, char **); 70