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
|
/* 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;
}
|
