2 * Copyright (c) 2010, JANET(UK)
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of JANET(UK) nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 #ifndef _GSSAPIP_EAP_H_
34 #define _GSSAPIP_EAP_H_ 1
42 #include <gssapi/gssapi.h>
43 #include <gssapi/gssapi_ext.h>
44 #include "gssapi_eap.h"
48 #define IEEE8021X_EAPOL 1
51 #include <eap_peer/eap.h>
52 #include <eap_peer/eap_config.h>
55 /* Kerberos includes */
58 struct gss_name_struct {
61 krb5_principal kerberosName;
66 #define CRED_FLAG_INITIATOR 0x00000001
67 #define CRED_FLAG_ACCEPTOR 0x00000002
68 #define CRED_FLAG_DEFAULT_IDENTITY 0x00000004
69 #define CRED_FLAG_PASSWORD 0x00000008
71 struct gss_cred_id_struct {
75 gss_buffer_desc password;
79 #define CTX_FLAG_INITIATOR 0x00000001
81 #define CTX_IS_INITIATOR(ctx) (((ctx)->flags & CTX_FLAG_INITIATOR) != 0)
84 EAP_STATE_AUTHENTICATE = 1,
85 EAP_STATE_KEY_TRANSPORT,
86 EAP_STATE_SECURE_ASSOCIATION,
87 EAP_STATE_GSS_CHANNEL_BINDINGS,
91 #define CTX_IS_ESTABLISHED(ctx) ((ctx)->state == EAP_STATE_ESTABLISHED)
93 /* Initiator context flags */
94 #define CTX_FLAG_EAP_SUCCESS 0x00010000
95 #define CTX_FLAG_EAP_RESTART 0x00020000
96 #define CTX_FLAG_EAP_FAIL 0x00040000
97 #define CTX_FLAG_EAP_RESP 0x00080000
98 #define CTX_FLAG_EAP_NO_RESP 0x00100000
99 #define CTX_FLAG_EAP_REQ 0x00200000
100 #define CTX_FLAG_EAP_PORT_ENABLED 0x00400000
101 #define CTX_FLAG_EAP_ALT_ACCEPT 0x00800000
102 #define CTX_FLAG_EAP_ALT_REJECT 0x01000000
104 struct eap_gss_initiator_ctx {
105 struct wpabuf *eapReqData;
106 unsigned int idleWhile;
107 struct eap_peer_config eapConfig;
111 /* Acceptor context flags */
112 struct eap_gss_acceptor_ctx {
115 struct gss_ctx_id_struct {
117 enum eap_gss_state state;
120 krb5_context kerberosCtx;
121 gss_OID mechanismUsed;
122 krb5_enctype encryptionType;
123 krb5_cksumtype checksumType;
124 krb5_keyblock *rfc3961Key;
125 gss_name_t initiatorName;
126 gss_name_t acceptorName;
129 struct eap_gss_initiator_ctx initiator;
130 #define initiatorCtx ctxU.initiator
131 struct eap_gss_acceptor_ctx acceptor;
132 #define acceptorCtx ctxU.acceptor
134 uint64_t sendSeq, recvSeq;
138 #define TOK_FLAG_SENDER_IS_ACCEPTOR 0x01
139 #define TOK_FLAG_WRAP_CONFIDENTIAL 0x02
140 #define TOK_FLAG_ACCEPTOR_SUBKEY 0x04
142 #define KEY_USAGE_ACCEPTOR_SEAL 512
143 #define KEY_USAGE_ACCEPTOR_SIGN 513
144 #define KEY_USAGE_INITIATOR_SEAL 514
145 #define KEY_USAGE_INITIATOR_SIGN 515
149 gssEapWrapOrGetMIC(OM_uint32 *minor,
153 gss_iov_buffer_desc *iov,
155 enum gss_eap_token_type toktype);
158 gssEapUnwrapOrVerifyMIC(OM_uint32 *minor_status,
161 gss_qop_t *qop_state,
162 gss_iov_buffer_desc *iov,
164 enum gss_eap_token_type toktype);
167 #endif /* _GSSAPIP_EAP_H_ */