| /* Copyright (C) 1996, 1997 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1996. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Library General Public License as |
| published by the Free Software Foundation; either version 2 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 |
| Library General Public License for more details. |
| |
| You should have received a copy of the GNU Library General Public |
| License along with the GNU C Library; see the file COPYING.LIB. If not, |
| write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| #include <nss.h> |
| #include <ctype.h> |
| #include <errno.h> |
| #include <libc-lock.h> |
| #include <netdb.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <netgroup.h> |
| #include <rpcsvc/yp.h> |
| #include <rpcsvc/ypclnt.h> |
| |
| #include "nss-nis.h" |
| |
| /* Locks the static variables in this file. */ |
| __libc_lock_define_initialized (static, lock) |
| |
| static char *data = NULL; |
| static size_t data_size = 0; |
| static char *cursor = NULL;; |
| |
| extern enum nss_status |
| _nss_netgroup_parseline (char **cursor, struct __netgrent *result, |
| char *buffer, size_t buflen); |
| |
| enum nss_status |
| _nss_nis_setnetgrent (char *group) |
| { |
| char *domain; |
| char *result; |
| int len, group_len; |
| enum nss_status status; |
| |
| status = NSS_STATUS_SUCCESS; |
| |
| if (group == NULL || group[0] == '\0') |
| return NSS_STATUS_UNAVAIL; |
| |
| if (yp_get_default_domain (&domain)) |
| return NSS_STATUS_UNAVAIL; |
| |
| __libc_lock_lock (lock); |
| |
| if (data != NULL) |
| { |
| free (data); |
| data = NULL; |
| data_size = 0; |
| cursor = NULL; |
| } |
| |
| group_len = strlen (group); |
| |
| status = yperr2nss (yp_match (domain, "netgroup", group, group_len, |
| &result, &len)); |
| if (status == NSS_STATUS_SUCCESS) |
| { |
| if (len > 0) |
| { |
| data = malloc (len + 1); |
| data_size = len; |
| cursor = strncpy (data, result, len + 1); |
| data[len] = '\0'; |
| free (result); |
| } |
| else |
| status = NSS_STATUS_NOTFOUND; |
| } |
| |
| __libc_lock_unlock (lock); |
| |
| return status; |
| } |
| |
| |
| enum nss_status |
| _nss_nis_endnetgrent (void) |
| { |
| __libc_lock_lock (lock); |
| |
| if (data != NULL) |
| { |
| free (data); |
| data = NULL; |
| data_size = 0; |
| cursor = NULL; |
| } |
| |
| __libc_lock_unlock (lock); |
| |
| return NSS_STATUS_SUCCESS; |
| } |
| |
| enum nss_status |
| _nss_nis_getnetgrent_r (struct __netgrent *result, char *buffer, size_t buflen) |
| { |
| enum nss_status status; |
| |
| if (cursor == NULL) |
| return NSS_STATUS_NOTFOUND; |
| |
| __libc_lock_lock (lock); |
| |
| status = _nss_netgroup_parseline (&cursor, result, buffer, buflen); |
| |
| __libc_lock_unlock (lock); |
| |
| return status; |
| } |