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 (int *errnop)
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)
52 return NSS_STATUS_TRYAGAIN;
54 tablename_len = strlen (tablename_val);
56 return NSS_STATUS_SUCCESS;
59 static enum nss_status
60 internal_setgrent (void)
62 enum nss_status status;
66 nis_freeresult (result);
70 if (tablename_val == NULL)
71 if (_nss_create_tablename (&err) != NSS_STATUS_SUCCESS)
72 return NSS_STATUS_UNAVAIL;
74 result = nis_list (tablename_val, FOLLOW_LINKS | FOLLOW_PATH, NULL, NULL);
75 status = niserr2nss (result->status);
76 if (status != NSS_STATUS_SUCCESS)
78 nis_freeresult (result);
85 _nss_nisplus_setgrent (void)
87 enum nss_status status;
89 __libc_lock_lock (lock);
91 status = internal_setgrent ();
93 __libc_lock_unlock (lock);
99 _nss_nisplus_endgrent (void)
101 __libc_lock_lock (lock);
104 nis_freeresult (result);
107 __libc_lock_unlock (lock);
109 return NSS_STATUS_SUCCESS;
112 static enum nss_status
113 internal_nisplus_getgrent_r (struct group *gr, char *buffer, size_t buflen,
120 enum nss_status status;
122 status = internal_setgrent ();
123 if (result == NULL || status != NSS_STATUS_SUCCESS)
127 /* Get the next entry until we found a correct one. */
130 if (next_entry >= result->objects.objects_len)
131 return NSS_STATUS_NOTFOUND;
133 parse_res = _nss_nisplus_parse_grent (result, next_entry, gr,
134 buffer, buflen, errnop);
136 return NSS_STATUS_TRYAGAIN;
142 return NSS_STATUS_SUCCESS;
146 _nss_nisplus_getgrent_r (struct group *result, char *buffer, size_t buflen,
151 __libc_lock_lock (lock);
153 status = internal_nisplus_getgrent_r (result, buffer, buflen, errnop);
155 __libc_lock_unlock (lock);
161 _nss_nisplus_getgrnam_r (const char *name, struct group *gr,
162 char *buffer, size_t buflen, int *errnop)
166 if (tablename_val == NULL)
168 enum nss_status status = _nss_create_tablename (errnop);
170 if (status != NSS_STATUS_SUCCESS)
174 if (name == NULL || strlen (name) > 8)
175 return NSS_STATUS_NOTFOUND;
179 char buf[strlen (name) + 24 + tablename_len];
181 sprintf (buf, "[name=%s],%s", name, tablename_val);
183 result = nis_list (buf, FOLLOW_LINKS | FOLLOW_PATH, NULL, NULL);
185 if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
187 enum nss_status status = niserr2nss (result->status);
189 nis_freeresult (result);
193 parse_res = _nss_nisplus_parse_grent (result, 0, gr, buffer, buflen,
195 nis_freeresult (result);
200 return NSS_STATUS_TRYAGAIN;
203 return NSS_STATUS_SUCCESS;
205 return NSS_STATUS_NOTFOUND;
210 _nss_nisplus_getgrgid_r (const gid_t gid, struct group *gr,
211 char *buffer, size_t buflen, int *errnop)
213 if (tablename_val == NULL)
215 enum nss_status status = _nss_create_tablename (errnop);
217 if (status != NSS_STATUS_SUCCESS)
224 char buf[36 + tablename_len];
226 sprintf (buf, "[gid=%d],%s", gid, tablename_val);
228 result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS, NULL, NULL);
230 if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
232 enum nss_status status = niserr2nss (result->status);
234 nis_freeresult (result);
238 parse_res = _nss_nisplus_parse_grent (result, 0, gr, buffer, buflen,
241 nis_freeresult (result);
246 return NSS_STATUS_TRYAGAIN;
250 return NSS_STATUS_SUCCESS;
252 return NSS_STATUS_NOTFOUND;