diff options
Diffstat (limited to 'nis/nss_nis/nis-netgrp.c')
-rw-r--r-- | nis/nss_nis/nis-netgrp.c | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/nis/nss_nis/nis-netgrp.c b/nis/nss_nis/nis-netgrp.c new file mode 100644 index 0000000000..7609ea08ed --- /dev/null +++ b/nis/nss_nis/nis-netgrp.c @@ -0,0 +1,128 @@ +/* Copyright (C) 1996 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[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; +} |