1 /* Copyright (C) 1997 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 Library General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 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 Library General Public License for more details.
15 You should have received a copy of the GNU Library General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If not,
17 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA. */
25 #include <bits/libc-lock.h>
26 #include <rpcsvc/nis.h>
28 #include "nss-nisplus.h"
29 #include "nisplus-parser.h"
31 __libc_lock_define_initialized (static, lock);
33 static nis_result *result = NULL;
34 static unsigned long next_entry = 0;
35 static nis_name tablename_val = NULL;
36 static u_long tablename_len = 0;
38 static enum nss_status
39 _nss_create_tablename (void)
41 if (tablename_val == NULL)
43 char buf [40 + strlen (nis_local_directory ())];
46 p = __stpcpy (buf, "group.org_dir.");
47 p = __stpcpy (p, nis_local_directory ());
48 tablename_val = __strdup (buf);
49 if (tablename_val == NULL)
50 return NSS_STATUS_TRYAGAIN;
51 tablename_len = strlen (tablename_val);
53 return NSS_STATUS_SUCCESS;
56 static enum nss_status
57 internal_setgrent (void)
59 enum nss_status status;
62 nis_freeresult (result);
66 if (tablename_val == NULL)
67 if (_nss_create_tablename () != NSS_STATUS_SUCCESS)
68 return NSS_STATUS_UNAVAIL;
70 result = nis_list (tablename_val, FOLLOW_LINKS | FOLLOW_PATH, NULL, NULL);
71 status = niserr2nss (result->status);
72 if (status != NSS_STATUS_SUCCESS)
74 nis_freeresult (result);
81 _nss_nisplus_setgrent (void)
83 enum nss_status status;
85 __libc_lock_lock (lock);
87 status = internal_setgrent ();
89 __libc_lock_unlock (lock);
95 _nss_nisplus_endgrent (void)
97 __libc_lock_lock (lock);
100 nis_freeresult (result);
103 __libc_lock_unlock (lock);
105 return NSS_STATUS_SUCCESS;
108 static enum nss_status
109 internal_nisplus_getgrent_r (struct group *gr, char *buffer, size_t buflen)
115 enum nss_status status;
117 status = internal_setgrent ();
118 if (result == NULL || status != NSS_STATUS_SUCCESS)
122 /* Get the next entry until we found a correct one. */
125 if (next_entry >= result->objects.objects_len)
126 return NSS_STATUS_NOTFOUND;
128 if ((parse_res = _nss_nisplus_parse_grent (result, next_entry, gr,
129 buffer, buflen)) == -1)
130 return NSS_STATUS_TRYAGAIN;
136 return NSS_STATUS_SUCCESS;
140 _nss_nisplus_getgrent_r (struct group *result, char *buffer, size_t buflen)
144 __libc_lock_lock (lock);
146 status = internal_nisplus_getgrent_r (result, buffer, buflen);
148 __libc_lock_unlock (lock);
154 _nss_nisplus_getgrnam_r (const char *name, struct group *gr,
155 char *buffer, size_t buflen)
159 if (tablename_val == NULL)
160 if (_nss_create_tablename() != NSS_STATUS_SUCCESS)
161 return NSS_STATUS_UNAVAIL;
163 if (name == NULL || strlen (name) > 8)
164 return NSS_STATUS_NOTFOUND;
168 char buf[strlen (name) + 24 + tablename_len];
170 sprintf (buf, "[name=%s],%s", name, tablename_val);
172 result = nis_list (buf, FOLLOW_LINKS | FOLLOW_PATH, NULL, NULL);
174 if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
176 enum nss_status status = niserr2nss (result->status);
178 nis_freeresult (result);
182 parse_res = _nss_nisplus_parse_grent (result, 0, gr, buffer, buflen);
183 nis_freeresult (result);
186 return NSS_STATUS_TRYAGAIN;
188 return NSS_STATUS_SUCCESS;
190 return NSS_STATUS_NOTFOUND;
195 _nss_nisplus_getgrgid_r (const gid_t gid, struct group *gr,
196 char *buffer, size_t buflen)
198 if (tablename_val == NULL)
199 if (_nss_create_tablename() != NSS_STATUS_SUCCESS)
200 return NSS_STATUS_UNAVAIL;
205 char buf[36 + tablename_len];
207 sprintf (buf, "[gid=%d],%s", gid, tablename_val);
209 result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
211 if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
213 enum nss_status status = niserr2nss (result->status);
215 nis_freeresult (result);
219 parse_res = _nss_nisplus_parse_grent (result, 0, gr, buffer, buflen);
221 nis_freeresult (result);
224 return NSS_STATUS_TRYAGAIN;
227 return NSS_STATUS_SUCCESS;
229 return NSS_STATUS_NOTFOUND;