ikev2: Remove private AUTH_BLISS method
[strongswan.git] / src / libcharon / sa / authenticator.c
1 /*
2 * Copyright (C) 2006-2009 Martin Willi
3 * Copyright (C) 2008 Tobias Brunner
4 * Hochschule fuer Technik Rapperswil
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation; either version 2 of the License, or (at your
9 * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
10 *
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
13 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * for more details.
15 */
16
17 #include <string.h>
18
19 #include "authenticator.h"
20
21 #include <sa/ikev2/authenticators/pubkey_authenticator.h>
22 #include <sa/ikev2/authenticators/psk_authenticator.h>
23 #include <sa/ikev2/authenticators/eap_authenticator.h>
24 #include <sa/ikev1/authenticators/psk_v1_authenticator.h>
25 #include <sa/ikev1/authenticators/pubkey_v1_authenticator.h>
26 #include <sa/ikev1/authenticators/hybrid_authenticator.h>
27 #include <encoding/payloads/auth_payload.h>
28
29
30 ENUM_BEGIN(auth_method_names, AUTH_RSA, AUTH_DSS,
31 "RSA signature",
32 "pre-shared key",
33 "DSS signature");
34 ENUM_NEXT(auth_method_names, AUTH_ECDSA_256, AUTH_DS, AUTH_DSS,
35 "ECDSA-256 signature",
36 "ECDSA-384 signature",
37 "ECDSA-521 signature",
38 "secure password method",
39 "NULL authentication",
40 "digital signature");
41 ENUM_NEXT(auth_method_names, AUTH_XAUTH_INIT_PSK, AUTH_HYBRID_RESP_RSA, AUTH_DS,
42 "XAuthInitPSK",
43 "XAuthRespPSK",
44 "XAuthInitRSA",
45 "XauthRespRSA",
46 "HybridInitRSA",
47 "HybridRespRSA",
48 );
49 ENUM_END(auth_method_names, AUTH_HYBRID_RESP_RSA);
50
51 #ifdef USE_IKEV2
52
53 /**
54 * Described in header.
55 */
56 authenticator_t *authenticator_create_builder(ike_sa_t *ike_sa, auth_cfg_t *cfg,
57 chunk_t received_nonce, chunk_t sent_nonce,
58 chunk_t received_init, chunk_t sent_init,
59 char reserved[3])
60 {
61 switch ((uintptr_t)cfg->get(cfg, AUTH_RULE_AUTH_CLASS))
62 {
63 case AUTH_CLASS_ANY:
64 /* defaults to PUBKEY */
65 case AUTH_CLASS_PUBKEY:
66 return (authenticator_t*)pubkey_authenticator_create_builder(ike_sa,
67 received_nonce, sent_init, reserved);
68 case AUTH_CLASS_PSK:
69 return (authenticator_t*)psk_authenticator_create_builder(ike_sa,
70 received_nonce, sent_init, reserved);
71 case AUTH_CLASS_EAP:
72 return (authenticator_t*)eap_authenticator_create_builder(ike_sa,
73 received_nonce, sent_nonce,
74 received_init, sent_init, reserved);
75 default:
76 return NULL;
77 }
78 }
79
80 /**
81 * Described in header.
82 */
83 authenticator_t *authenticator_create_verifier(
84 ike_sa_t *ike_sa, message_t *message,
85 chunk_t received_nonce, chunk_t sent_nonce,
86 chunk_t received_init, chunk_t sent_init,
87 char reserved[3])
88 {
89 auth_payload_t *auth_payload;
90
91 auth_payload = (auth_payload_t*)message->get_payload(message, PLV2_AUTH);
92 if (auth_payload == NULL)
93 {
94 return (authenticator_t*)eap_authenticator_create_verifier(ike_sa,
95 received_nonce, sent_nonce,
96 received_init, sent_init, reserved);
97 }
98 switch (auth_payload->get_auth_method(auth_payload))
99 {
100 case AUTH_RSA:
101 case AUTH_ECDSA_256:
102 case AUTH_ECDSA_384:
103 case AUTH_ECDSA_521:
104 case AUTH_DS:
105 return (authenticator_t*)pubkey_authenticator_create_verifier(ike_sa,
106 sent_nonce, received_init, reserved);
107 case AUTH_PSK:
108 return (authenticator_t*)psk_authenticator_create_verifier(ike_sa,
109 sent_nonce, received_init, reserved);
110 default:
111 return NULL;
112 }
113 }
114
115 #endif /* USE_IKEV2 */
116
117 #ifdef USE_IKEV1
118
119 /**
120 * Described in header.
121 */
122 authenticator_t *authenticator_create_v1(ike_sa_t *ike_sa, bool initiator,
123 auth_method_t auth_method, diffie_hellman_t *dh,
124 chunk_t dh_value, chunk_t sa_payload,
125 chunk_t id_payload)
126 {
127 switch (auth_method)
128 {
129 case AUTH_PSK:
130 case AUTH_XAUTH_INIT_PSK:
131 case AUTH_XAUTH_RESP_PSK:
132 return (authenticator_t*)psk_v1_authenticator_create(ike_sa,
133 initiator, dh, dh_value, sa_payload,
134 id_payload, FALSE);
135 case AUTH_RSA:
136 case AUTH_XAUTH_INIT_RSA:
137 case AUTH_XAUTH_RESP_RSA:
138 return (authenticator_t*)pubkey_v1_authenticator_create(ike_sa,
139 initiator, dh, dh_value, sa_payload,
140 id_payload, KEY_RSA);
141 case AUTH_ECDSA_256:
142 case AUTH_ECDSA_384:
143 case AUTH_ECDSA_521:
144 return (authenticator_t*)pubkey_v1_authenticator_create(ike_sa,
145 initiator, dh, dh_value, sa_payload,
146 id_payload, KEY_ECDSA);
147 case AUTH_HYBRID_INIT_RSA:
148 case AUTH_HYBRID_RESP_RSA:
149 return (authenticator_t*)hybrid_authenticator_create(ike_sa,
150 initiator, dh, dh_value, sa_payload,
151 id_payload);
152 default:
153 return NULL;
154 }
155 }
156
157 #endif /* USE_IKEV1 */