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
|
/*
* Copyright (C) 2010 Martin Willi
* Copyright (C) 2010 revosec AG
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program 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 General Public License
* for more details.
*/
#include "af_alg_plugin.h"
#include <library.h>
#include "af_alg_hasher.h"
#include "af_alg_signer.h"
#include "af_alg_prf.h"
#include "af_alg_crypter.h"
#include <unistd.h>
typedef struct private_af_alg_plugin_t private_af_alg_plugin_t;
/**
* private data of af_alg_plugin
*/
struct private_af_alg_plugin_t {
/**
* public functions
*/
af_alg_plugin_t public;
};
METHOD(plugin_t, get_name, char*,
private_af_alg_plugin_t *this)
{
return "af-alg";
}
static bool af_alg_supported()
{
int fd;
fd = socket(AF_ALG, SOCK_SEQPACKET, 0);
if (fd != -1)
{
close(fd);
return true;
}
return false;
}
METHOD(plugin_t, get_features, int,
private_af_alg_plugin_t *this, plugin_feature_t *features[])
{
static plugin_feature_t f[AF_ALG_HASHER + AF_ALG_SIGNER +
AF_ALG_PRF + AF_ALG_CRYPTER + 4] = {};
static int count = 0;
if (!count)
{ /* initialize only once */
if (!af_alg_supported())
{
return 0;
}
f[count++] = PLUGIN_REGISTER(HASHER, af_alg_hasher_create);
af_alg_hasher_probe(f, &count);
f[count++] = PLUGIN_REGISTER(SIGNER, af_alg_signer_create);
af_alg_signer_probe(f, &count);
f[count++] = PLUGIN_REGISTER(PRF, af_alg_prf_create);
af_alg_prf_probe(f, &count);
f[count++] = PLUGIN_REGISTER(CRYPTER, af_alg_crypter_create);
af_alg_crypter_probe(f, &count);
}
*features = f;
return count;
}
METHOD(plugin_t, destroy, void,
private_af_alg_plugin_t *this)
{
free(this);
}
/*
* see header file
*/
plugin_t *af_alg_plugin_create()
{
private_af_alg_plugin_t *this;
INIT(this,
.public = {
.plugin = {
.get_name = _get_name,
.get_features = _get_features,
.destroy = _destroy,
},
},
);
return &this->public.plugin;
}
|
