1 /* Copyright (C) 1996, 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>, 1996.
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/yp.h>
27 #include <rpcsvc/ypclnt.h>
31 /* Get the declaration of the parser function. */
33 #define STRUCTURE group
35 #include <nss/nss_files/files-parse.c>
37 /* Protect global state against multiple changers */
38 __libc_lock_define_initialized (static, lock)
40 static bool_t new_start = 1;
41 static char *oldkey = NULL;
42 static int oldkeylen = 0;
45 _nss_nis_setgrent (void)
47 __libc_lock_lock (lock);
57 __libc_lock_unlock (lock);
59 return NSS_STATUS_SUCCESS;
63 _nss_nis_endgrent (void)
65 __libc_lock_lock (lock);
75 __libc_lock_unlock (lock);
77 return NSS_STATUS_SUCCESS;
80 static enum nss_status
81 internal_nis_getgrent_r (struct group *grp, char *buffer, size_t buflen,
84 struct parser_data *data = (void *) buffer;
85 char *domain, *result, *outkey;
86 int len, keylen, parse_res;
88 if (yp_get_default_domain (&domain))
89 return NSS_STATUS_UNAVAIL;
91 /* Get the next entry until we found a correct one. */
94 enum nss_status retval;
98 retval = yperr2nss (yp_first (domain, "group.byname",
99 &outkey, &keylen, &result, &len));
101 retval = yperr2nss ( yp_next (domain, "group.byname",
103 &outkey, &keylen, &result, &len));
105 if (retval != NSS_STATUS_SUCCESS)
107 if (retval == NSS_STATUS_TRYAGAIN)
112 if ((size_t) (len + 1) > buflen)
116 return NSS_STATUS_TRYAGAIN;
119 p = strncpy (buffer, result, len);
125 parse_res = _nss_files_parse_grent (p, grp, data, buflen, errnop);
130 return NSS_STATUS_TRYAGAIN;
138 while (parse_res < 1);
140 return NSS_STATUS_SUCCESS;
144 _nss_nis_getgrent_r (struct group *result, char *buffer, size_t buflen,
149 __libc_lock_lock (lock);
151 status = internal_nis_getgrent_r (result, buffer, buflen, errnop);
153 __libc_lock_unlock (lock);
159 _nss_nis_getgrnam_r (const char *name, struct group *grp,
160 char *buffer, size_t buflen, int *errnop)
162 struct parser_data *data = (void *) buffer;
163 enum nss_status retval;
164 char *domain, *result, *p;
169 __set_errno (EINVAL);
170 return NSS_STATUS_UNAVAIL;
173 if (yp_get_default_domain (&domain))
174 return NSS_STATUS_UNAVAIL;
176 retval = yperr2nss (yp_match (domain, "group.byname", name,
177 strlen (name), &result, &len));
179 if (retval != NSS_STATUS_SUCCESS)
181 if (retval == NSS_STATUS_TRYAGAIN)
186 if ((size_t) (len + 1) > buflen)
190 return NSS_STATUS_TRYAGAIN;
193 p = strncpy (buffer, result, len);
199 parse_res = _nss_files_parse_grent (p, grp, data, buflen, errnop);
201 return NSS_STATUS_TRYAGAIN;
204 return NSS_STATUS_SUCCESS;
206 return NSS_STATUS_NOTFOUND;
210 _nss_nis_getgrgid_r (gid_t gid, struct group *grp,
211 char *buffer, size_t buflen, int *errnop)
213 struct parser_data *data = (void *) buffer;
214 enum nss_status retval;
215 char *domain, *result, *p;
216 int len, nlen, parse_res;
219 if (yp_get_default_domain (&domain))
220 return NSS_STATUS_UNAVAIL;
222 nlen = sprintf (buf, "%d", gid);
224 retval = yperr2nss (yp_match (domain, "group.bygid", buf,
225 nlen, &result, &len));
227 if (retval != NSS_STATUS_SUCCESS)
229 if (retval == NSS_STATUS_TRYAGAIN)
234 if ((size_t) (len + 1) > buflen)
238 return NSS_STATUS_TRYAGAIN;
241 p = strncpy (buffer, result, len);
247 parse_res = _nss_files_parse_grent (p, grp, data, buflen, errnop);
249 return NSS_STATUS_TRYAGAIN;
252 return NSS_STATUS_SUCCESS;
254 return NSS_STATUS_NOTFOUND;