2 * Copyright (c) 1989, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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 the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * @(#)getgrent.c 8.2 (Berkeley) 3/21/94
34 * $FreeBSD: src/libexec/mknetid/parse_group.c,v 1.6 1999/08/28 00:09:42 peter Exp $
35 * $DragonFly: src/libexec/mknetid/parse_group.c,v 1.2 2003/06/17 04:27:07 dillon Exp $
39 * This is a slightly modified chunk of getgrent(3). All the YP support
40 * and unneeded functions have been stripped out.
43 #include <sys/types.h>
50 static struct group _gr_group;
51 static int _gr_stayopen;
52 static int grscan(), start_gr();
55 static char *members[MAXGRP];
56 #define MAXLINELENGTH 1024
57 static char line[MAXLINELENGTH];
62 if (!_gr_fp && !start_gr()) {
67 if (!grscan(0, 0, NULL))
79 _setgroupent(stayopen)
84 _gr_stayopen = stayopen;
91 return(_setgroupent(0));
104 grscan(search, gid, name)
105 register int search, gid;
108 register char *cp, **m;
111 if (!fgets(line, sizeof(line), _gr_fp))
114 /* skip lines that are too big */
115 if (!index(line, '\n')) {
118 while ((ch = getc(_gr_fp)) != '\n' && ch != EOF)
122 if ((_gr_group.gr_name = strsep(&bp, ":\n")) == NULL)
124 if (_gr_group.gr_name[0] == '+')
127 if (search && name) {
128 if(strcmp(_gr_group.gr_name, name)) {
132 if ((_gr_group.gr_passwd = strsep(&bp, ":\n")) == NULL)
134 if (!(cp = strsep(&bp, ":\n")))
136 _gr_group.gr_gid = atoi(cp);
137 if (search && name == NULL && _gr_group.gr_gid != gid)
140 if (bp == NULL) /* !! Must check for this! */
142 for (m = _gr_group.gr_mem = members;; bp++) {
143 if (m == &members[MAXGRP - 1])
151 } else if (*bp == '\0' || *bp == '\n' || *bp == ' ') {
157 } else if (cp == NULL)