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 1.3 2006/08/03 16:40:46 swildner 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>
49 struct group
*_getgrent(void);
54 static struct group _gr_group
;
55 static int _gr_stayopen
;
56 static int grscan(int, gid_t
, char *), start_gr(void);
59 static char *members
[MAXGRP
];
60 #define MAXLINELENGTH 1024
61 static char line
[MAXLINELENGTH
];
66 if (!_gr_fp
&& !start_gr()) {
71 if (!grscan(0, 0, NULL
))
83 _setgroupent(int stayopen
)
87 _gr_stayopen
= stayopen
;
94 return(_setgroupent(0));
101 (void)fclose(_gr_fp
);
107 grscan(int search
, gid_t gid
, char *name
)
112 if (!fgets(line
, sizeof(line
), _gr_fp
))
115 /* skip lines that are too big */
116 if (!index(line
, '\n')) {
119 while ((ch
= getc(_gr_fp
)) != '\n' && ch
!= EOF
)
123 if ((_gr_group
.gr_name
= strsep(&bp
, ":\n")) == NULL
)
125 if (_gr_group
.gr_name
[0] == '+')
128 if (search
&& name
) {
129 if(strcmp(_gr_group
.gr_name
, name
)) {
133 if ((_gr_group
.gr_passwd
= strsep(&bp
, ":\n")) == NULL
)
135 if (!(cp
= strsep(&bp
, ":\n")))
137 _gr_group
.gr_gid
= atoi(cp
);
138 if (search
&& name
== NULL
&& _gr_group
.gr_gid
!= gid
)
141 if (bp
== NULL
) /* !! Must check for this! */
143 for (m
= _gr_group
.gr_mem
= members
;; bp
++) {
144 if (m
== &members
[MAXGRP
- 1])
152 } else if (*bp
== '\0' || *bp
== '\n' || *bp
== ' ') {
158 } else if (cp
== NULL
)