2 * Copyright (c) 1991, 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
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26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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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
36 #ifndef HAVE_GETGROUPLIST
38 #if defined(LIBC_SCCS) && !defined(lint)
39 static char rcsid[] = "$OpenBSD: getgrouplist.c,v 1.7 1997/08/19 19:13:27 deraadt Exp $";
40 #endif /* LIBC_SCCS and not lint */
45 #include <sys/types.h>
50 getgrouplist(uname, agroup, groups, grpcnt)
53 register gid_t *groups;
56 register struct group *grp;
57 register int i, ngroups;
66 * install primary group
68 if (ngroups >= maxgroups) {
72 groups[ngroups++] = agroup;
75 * Scan the group file to find additional groups.
78 while ((grp = getgrent())) {
79 if (grp->gr_gid == agroup)
81 for (bail = 0, i = 0; bail == 0 && i < ngroups; i++)
82 if (groups[i] == grp->gr_gid)
86 for (i = 0; grp->gr_mem[i]; i++) {
87 if (!strcmp(grp->gr_mem[i], uname)) {
88 if (ngroups >= maxgroups) {
92 groups[ngroups++] = grp->gr_gid;
103 #endif /* HAVE_GETGROUPLIST */