| /* Netgroup file parser in nss_db modules. |
| Copyright (C) 1996, 1997, 1999, 2000 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. */ |
| |
| #include <dlfcn.h> |
| #include <errno.h> |
| #include <fcntl.h> |
| #include <netgroup.h> |
| #include <string.h> |
| #include <bits/libc-lock.h> |
| #include <paths.h> |
| |
| #include "nsswitch.h" |
| #include "nss_db.h" |
| |
| |
| #define DBFILE _PATH_VARDB "netgroup.db" |
| |
| |
| /* Locks the static variables in this file. */ |
| __libc_lock_define_initialized (static, lock) |
| |
| /* Maintenance of the shared handle open on the database. */ |
| static NSS_DB *db; |
| static char *entry; |
| static char *cursor; |
| |
| enum nss_status |
| _nss_db_setnetgrent (const char *group) |
| { |
| enum nss_status status; |
| |
| __libc_lock_lock (lock); |
| |
| status = internal_setent (DBFILE, &db); |
| |
| if (status == NSS_STATUS_SUCCESS) |
| { |
| DBT key = { data: (void *) group, size: strlen (group), flags: 0 }; |
| DBT value; |
| |
| value.flags = 0; |
| if (DL_CALL_FCT (db->get, (db->db, NULL, &key, &value, 0)) != 0) |
| status = NSS_STATUS_NOTFOUND; |
| else |
| cursor = entry = value.data; |
| } |
| |
| __libc_lock_unlock (lock); |
| |
| return status; |
| |
| } |
| |
| |
| enum nss_status |
| _nss_db_endnetgrent (void) |
| { |
| __libc_lock_lock (lock); |
| |
| internal_endent (&db); |
| |
| __libc_lock_unlock (lock); |
| |
| return NSS_STATUS_SUCCESS; |
| } |
| |
| |
| extern enum nss_status _nss_netgroup_parseline (char **cursor, |
| struct __netgrent *result, |
| char *buffer, size_t buflen, |
| int *errnop); |
| |
| enum nss_status |
| _nss_db_getnetgrent_r (struct __netgrent *result, char *buffer, size_t buflen, |
| int *errnop) |
| { |
| int status; |
| |
| __libc_lock_lock (lock); |
| |
| status = _nss_netgroup_parseline (&cursor, result, buffer, buflen, errnop); |
| |
| __libc_lock_unlock (lock); |
| |
| return status; |
| } |