Minor refactoring:
[glibc.git] / nis / nis_verifygroup.c
blob54a9ecfcf6d88ab0d8989801fa26d51660977833
1 /* Copyright (c) 1997-2015 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.
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.
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.
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 <http://www.gnu.org/licenses/>. */
19 #include <string.h>
20 #include <rpcsvc/nis.h>
22 nis_error
23 nis_verifygroup (const_nis_name group)
25 if (group != NULL && group[0] != '\0')
27 size_t grouplen = strlen (group);
28 char buf[grouplen + 50];
29 char leafbuf[grouplen + 2];
30 char domainbuf[grouplen + 2];
31 nis_result *res;
32 nis_error status;
33 char *cp, *cp2;
35 cp = stpcpy (buf, nis_leaf_of_r (group, leafbuf, sizeof (leafbuf) - 1));
36 cp = stpcpy (cp, ".groups_dir");
37 cp2 = nis_domain_of_r (group, domainbuf, sizeof (domainbuf) - 1);
38 if (cp2 != NULL && cp2[0] != '\0')
40 *cp++ = '.';
41 stpcpy (cp, cp2);
43 res = nis_lookup (buf, 0);
44 status = NIS_RES_STATUS (res);
45 nis_freeresult (res);
46 return status;
48 else
49 return NIS_FAIL;