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
|
/* Copyright (c) 1997-2015 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@suse.de>, 1997.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <rpcsvc/nis.h>
#include "nis_xdr.h"
typedef bool_t (*iofct_t) (XDR *, void *);
typedef void (*freefct_t) (void *);
static void *
read_nis_obj (const char *name, iofct_t readfct, freefct_t freefct,
size_t objsize)
{
FILE *in = fopen (name, "rce");
if (in == NULL)
return NULL;
void *obj = calloc (1, objsize);
if (obj != NULL)
{
XDR xdrs;
xdrstdio_create (&xdrs, in, XDR_DECODE);
bool_t status = readfct (&xdrs, obj);
xdr_destroy (&xdrs);
if (!status)
{
freefct (obj);
obj = NULL;
}
}
fclose (in);
return obj;
}
static bool_t
write_nis_obj (const char *name, const void *obj, iofct_t writefct)
{
FILE *out = fopen (name, "wce");
if (out == NULL)
return FALSE;
XDR xdrs;
xdrstdio_create (&xdrs, out, XDR_ENCODE);
bool_t status = writefct (&xdrs, (void *) obj);
xdr_destroy (&xdrs);
fclose (out);
return status;
}
static const char cold_start_file[] = "/var/nis/NIS_COLD_START";
directory_obj *
readColdStartFile (void)
{
return read_nis_obj (cold_start_file, (iofct_t) _xdr_directory_obj,
(freefct_t) nis_free_directory, sizeof (directory_obj));
}
libnsl_hidden_def (readColdStartFile)
bool_t
writeColdStartFile (const directory_obj *obj)
{
return write_nis_obj (cold_start_file, obj, (iofct_t) _xdr_directory_obj);
}
nis_object *
nis_read_obj (const char *name)
{
return read_nis_obj (name, (iofct_t) _xdr_nis_object,
(freefct_t) nis_free_object, sizeof (nis_object));
}
bool_t
nis_write_obj (const char *name, const nis_object *obj)
{
return write_nis_obj (name, obj, (iofct_t) _xdr_nis_object);
}
|
