1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
/* Copyright (C) 1996, 1997, 1999, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@suse.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 <bits/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, int *errnop);
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)) != NULL)
{
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,
int *errnop)
{
enum nss_status status;
if (cursor == NULL)
{
*errnop = ENOENT;
return NSS_STATUS_NOTFOUND;
}
__libc_lock_lock (lock);
status = _nss_netgroup_parseline (&cursor, result, buffer, buflen, errnop);
__libc_lock_unlock (lock);
return status;
}
|
