2 * Copyright (c) 1989, 1993
3 * The Regents of the University of California. All rights reserved.
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6 * modification, are permitted provided that the following conditions
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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.
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23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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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)