1/* Copyright (c) 1997-2021 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#include <string.h>
20#include <rpcsvc/nis.h>
21#include <shlib-compat.h>
22
23nis_error
24nis_verifygroup (const_nis_name group)
25{
26 if (group != NULL && group[0] != '\0')
27 {
28 size_t grouplen = strlen (group);
29 char buf[grouplen + 50];
30 char leafbuf[grouplen + 2];
31 char domainbuf[grouplen + 2];
32 nis_result *res;
33 nis_error status;
34 char *cp, *cp2;
35
36 cp = stpcpy (buf, nis_leaf_of_r (group, leafbuf, sizeof (leafbuf) - 1));
37 cp = stpcpy (cp, ".groups_dir");
38 cp2 = nis_domain_of_r (group, domainbuf, sizeof (domainbuf) - 1);
39 if (cp2 != NULL && cp2[0] != '\0')
40 {
41 *cp++ = '.';
42 stpcpy (cp, cp2);
43 }
44 res = nis_lookup (buf, 0);
45 status = NIS_RES_STATUS (res);
46 nis_freeresult (res);
47 return status;
48 }
49 else
50 return NIS_FAIL;
51}
52libnsl_hidden_nolink_def (nis_verifygroup, GLIBC_2_1)
53