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
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
|
/*
* Copyright (C) 2006-2009 Martin Willi
* Copyright (C) 2008 Tobias Brunner
* Hochschule fuer Technik Rapperswil
*
* 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 <string.h>
#include "authenticator.h"
#include <sa/ikev2/authenticators/pubkey_authenticator.h>
#include <sa/ikev2/authenticators/psk_authenticator.h>
#include <sa/ikev2/authenticators/eap_authenticator.h>
#include <sa/ikev1/authenticators/psk_v1_authenticator.h>
#include <sa/ikev1/authenticators/pubkey_v1_authenticator.h>
#include <sa/ikev1/authenticators/hybrid_authenticator.h>
#include <encoding/payloads/auth_payload.h>
ENUM_BEGIN(auth_method_names, AUTH_RSA, AUTH_DSS,
"RSA signature",
"pre-shared key",
"DSS signature");
ENUM_NEXT(auth_method_names, AUTH_ECDSA_256, AUTH_DS, AUTH_DSS,
"ECDSA-256 signature",
"ECDSA-384 signature",
"ECDSA-521 signature",
"secure password method",
"NULL authentication",
"digital signature");
ENUM_NEXT(auth_method_names, AUTH_XAUTH_INIT_PSK, AUTH_HYBRID_RESP_RSA, AUTH_DS,
"XAuthInitPSK",
"XAuthRespPSK",
"XAuthInitRSA",
"XauthRespRSA",
"HybridInitRSA",
"HybridRespRSA",
);
ENUM_END(auth_method_names, AUTH_HYBRID_RESP_RSA);
#ifdef USE_IKEV2
/**
* Described in header.
*/
authenticator_t *authenticator_create_builder(ike_sa_t *ike_sa, auth_cfg_t *cfg,
chunk_t received_nonce, chunk_t sent_nonce,
chunk_t received_init, chunk_t sent_init,
char reserved[3])
{
switch ((uintptr_t)cfg->get(cfg, AUTH_RULE_AUTH_CLASS))
{
case AUTH_CLASS_ANY:
/* defaults to PUBKEY */
case AUTH_CLASS_PUBKEY:
return (authenticator_t*)pubkey_authenticator_create_builder(ike_sa,
received_nonce, sent_init, reserved);
case AUTH_CLASS_PSK:
return (authenticator_t*)psk_authenticator_create_builder(ike_sa,
received_nonce, sent_init, reserved);
case AUTH_CLASS_EAP:
return (authenticator_t*)eap_authenticator_create_builder(ike_sa,
received_nonce, sent_nonce,
received_init, sent_init, reserved);
default:
return NULL;
}
}
/**
* Described in header.
*/
authenticator_t *authenticator_create_verifier(
ike_sa_t *ike_sa, message_t *message,
chunk_t received_nonce, chunk_t sent_nonce,
chunk_t received_init, chunk_t sent_init,
char reserved[3])
{
auth_payload_t *auth_payload;
auth_payload = (auth_payload_t*)message->get_payload(message, PLV2_AUTH);
if (auth_payload == NULL)
{
return (authenticator_t*)eap_authenticator_create_verifier(ike_sa,
received_nonce, sent_nonce,
received_init, sent_init, reserved);
}
switch (auth_payload->get_auth_method(auth_payload))
{
case AUTH_RSA:
case AUTH_ECDSA_256:
case AUTH_ECDSA_384:
case AUTH_ECDSA_521:
case AUTH_DS:
return (authenticator_t*)pubkey_authenticator_create_verifier(ike_sa,
sent_nonce, received_init, reserved);
case AUTH_PSK:
return (authenticator_t*)psk_authenticator_create_verifier(ike_sa,
sent_nonce, received_init, reserved);
default:
return NULL;
}
}
#endif /* USE_IKEV2 */
#ifdef USE_IKEV1
/**
* Described in header.
*/
authenticator_t *authenticator_create_v1(ike_sa_t *ike_sa, bool initiator,
auth_method_t auth_method, diffie_hellman_t *dh,
chunk_t dh_value, chunk_t sa_payload,
chunk_t id_payload)
{
switch (auth_method)
{
case AUTH_PSK:
case AUTH_XAUTH_INIT_PSK:
case AUTH_XAUTH_RESP_PSK:
return (authenticator_t*)psk_v1_authenticator_create(ike_sa,
initiator, dh, dh_value, sa_payload,
id_payload, FALSE);
case AUTH_RSA:
case AUTH_XAUTH_INIT_RSA:
case AUTH_XAUTH_RESP_RSA:
return (authenticator_t*)pubkey_v1_authenticator_create(ike_sa,
initiator, dh, dh_value, sa_payload,
id_payload, KEY_RSA);
case AUTH_ECDSA_256:
case AUTH_ECDSA_384:
case AUTH_ECDSA_521:
return (authenticator_t*)pubkey_v1_authenticator_create(ike_sa,
initiator, dh, dh_value, sa_payload,
id_payload, KEY_ECDSA);
case AUTH_HYBRID_INIT_RSA:
case AUTH_HYBRID_RESP_RSA:
return (authenticator_t*)hybrid_authenticator_create(ike_sa,
initiator, dh, dh_value, sa_payload,
id_payload);
default:
return NULL;
}
}
#endif /* USE_IKEV1 */
|
