1 /* 2 * Copyright (c) 1995 3 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by Bill Paul. 16 * 4. Neither the name of the author nor the names of any co-contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * $FreeBSD$ 33 */ 34 35 /* Groupname entry hung off a member_entry node. */ 36 struct grouplist { 37 char *groupname; 38 struct grouplist *next; 39 }; 40 41 /* Entry in the cooked member list hash table. */ 42 struct member_entry { 43 char *key; 44 char *domain; 45 struct grouplist *groups; 46 struct member_entry *next; 47 }; 48 49 /* Entry in the raw netgroup table. */ 50 struct group_entry { 51 char *key; 52 char *data; 53 struct group_entry *next; 54 }; 55 56 /* Table size (chosen arbitrarily). Not too big, not too small. */ 57 #define TABLESIZE 256 58 #define HASH_MASK 0x000000FF 59 60 #define LINSIZ 1024 * 10 61 62 extern void store(struct group_entry ** , char *, char *); 63 extern void mstore(struct member_entry ** , char *, char *, char *); 64 extern char *lookup(struct group_entry **, char *); 65 extern void __endnetgrent(void); 66 extern void __setnetgrent(char *); 67 extern int __getnetgrent(char **, char **, char **); 68