129 lines
2.9 KiB
C
129 lines
2.9 KiB
C
/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1996.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <nss.h>
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#include <ctype.h>
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#include <errno.h>
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#include <bits/libc-lock.h>
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#include <netdb.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <netgroup.h>
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#include <rpcsvc/yp.h>
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#include <rpcsvc/ypclnt.h>
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#include "nss-nis.h"
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/* Locks the static variables in this file. */
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__libc_lock_define_initialized (static, lock)
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static char *data = NULL;
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static size_t data_size = 0;
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static char *cursor = NULL;;
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extern enum nss_status
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_nss_netgroup_parseline (char **cursor, struct __netgrent *result,
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char *buffer, size_t buflen);
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enum nss_status
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_nss_nis_setnetgrent (char *group)
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{
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char *domain;
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char *result;
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int len, group_len;
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enum nss_status status;
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status = NSS_STATUS_SUCCESS;
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if (group == NULL || group[0] == '\0')
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return NSS_STATUS_UNAVAIL;
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if (yp_get_default_domain (&domain))
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return NSS_STATUS_UNAVAIL;
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__libc_lock_lock (lock);
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if (data != NULL)
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{
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free (data);
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data = NULL;
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data_size = 0;
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cursor = NULL;
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}
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group_len = strlen (group);
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status = yperr2nss (yp_match (domain, "netgroup", group, group_len,
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&result, &len));
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if (status == NSS_STATUS_SUCCESS)
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{
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if (len > 0)
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{
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data = malloc (len + 1);
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data_size = len;
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cursor = strncpy (data, result, len + 1);
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data[len] = '\0';
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free (result);
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}
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else
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status = NSS_STATUS_NOTFOUND;
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}
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__libc_lock_unlock (lock);
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return status;
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}
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enum nss_status
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_nss_nis_endnetgrent (void)
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{
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__libc_lock_lock (lock);
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if (data != NULL)
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{
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free (data);
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data = NULL;
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data_size = 0;
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cursor = NULL;
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}
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__libc_lock_unlock (lock);
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return NSS_STATUS_SUCCESS;
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}
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enum nss_status
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_nss_nis_getnetgrent_r (struct __netgrent *result, char *buffer, size_t buflen)
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{
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enum nss_status status;
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if (cursor == NULL)
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return NSS_STATUS_NOTFOUND;
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__libc_lock_lock (lock);
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status = _nss_netgroup_parseline (&cursor, result, buffer, buflen);
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__libc_lock_unlock (lock);
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return status;
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}
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