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
43 #include <sys/param.h>
46 #include <gssapi/gssapi.h>
47 #include <gssapi/gssapi_krb5.h>
48 #include <gssapi/gssapi_ext.h>
49 #include "gssapi_eap.h"
51 /* Kerberos includes */
54 /* EAP includes (not C++ clean) */
57 #include <eap_peer/eap.h>
58 #include <eap_peer/eap_config.h>
59 #include <crypto/tls.h>
63 /* Workaround for FreeRADIUS not being C++ clean */
66 #define operator fr_operator
68 #include <freeradius/libradius.h>
69 #include <freeradius/radius.h>
70 #include <radsec/radsec.h>
82 /* These name flags are informative and not actually used by anything yet */
83 #define NAME_FLAG_NAI 0x00000001
84 #define NAME_FLAG_SERVICE 0x00000002
85 #define NAME_FLAG_COMPOSITE 0x00000004
87 struct gss_eap_saml_attr_ctx;
88 struct gss_eap_attr_ctx;
90 struct gss_name_struct {
91 GSSEAP_MUTEX mutex; /* mutex protects attrCtx */
93 krb5_principal krbPrincipal; /* this is immutable */
94 struct gss_eap_attr_ctx *attrCtx;
97 #define CRED_FLAG_INITIATE 0x00010000
98 #define CRED_FLAG_ACCEPT 0x00020000
99 #define CRED_FLAG_DEFAULT_IDENTITY 0x00040000
100 #define CRED_FLAG_PASSWORD 0x00080000
101 #define CRED_FLAG_DEFAULT_CCACHE 0x00100000
102 #define CRED_FLAG_PUBLIC_MASK 0x0000FFFF
104 struct gss_cred_id_struct {
108 gss_buffer_desc password;
109 gss_OID_set mechanisms;
111 char *radiusConfigFile;
112 char *radiusConfigStanza;
113 #ifdef GSSEAP_ENABLE_REAUTH
114 krb5_ccache krbCredCache;
115 gss_cred_id_t krbCred;
119 #define CTX_FLAG_INITIATOR 0x00000001
120 #define CTX_FLAG_KRB_REAUTH_GSS 0x00000002
122 #define CTX_IS_INITIATOR(ctx) (((ctx)->flags & CTX_FLAG_INITIATOR) != 0)
125 EAP_STATE_IDENTITY = 0,
126 EAP_STATE_AUTHENTICATE,
127 EAP_STATE_EXTENSIONS_REQ,
128 EAP_STATE_EXTENSIONS_RESP,
129 EAP_STATE_ESTABLISHED,
130 #ifdef GSSEAP_ENABLE_REAUTH
131 EAP_STATE_KRB_REAUTH_GSS
135 #define CTX_IS_ESTABLISHED(ctx) ((ctx)->state == EAP_STATE_ESTABLISHED)
137 /* Initiator context flags */
138 #define CTX_FLAG_EAP_SUCCESS 0x00010000
139 #define CTX_FLAG_EAP_RESTART 0x00020000
140 #define CTX_FLAG_EAP_FAIL 0x00040000
141 #define CTX_FLAG_EAP_RESP 0x00080000
142 #define CTX_FLAG_EAP_NO_RESP 0x00100000
143 #define CTX_FLAG_EAP_REQ 0x00200000
144 #define CTX_FLAG_EAP_PORT_ENABLED 0x00400000
145 #define CTX_FLAG_EAP_ALT_ACCEPT 0x00800000
146 #define CTX_FLAG_EAP_ALT_REJECT 0x01000000
147 #define CTX_FLAG_EAP_MASK 0xFFFF0000
149 struct gss_eap_initiator_ctx {
150 gss_cred_id_t defaultCred;
151 unsigned int idleWhile;
153 struct eap_peer_config eapPeerConfig;
155 struct wpabuf reqData;
159 struct gss_eap_acceptor_ctx {
160 struct rs_handle *radHandle;
161 struct rs_connection *radConn;
163 gss_buffer_desc state;
167 struct gss_ctx_id_struct {
169 enum gss_eap_state state;
172 gss_OID mechanismUsed;
173 krb5_cksumtype checksumType;
174 krb5_enctype encryptionType;
175 krb5_keyblock rfc3961Key;
176 gss_name_t initiatorName;
177 gss_name_t acceptorName;
179 uint64_t sendSeq, recvSeq;
182 struct gss_eap_initiator_ctx initiator;
183 #define initiatorCtx ctxU.initiator
184 struct gss_eap_acceptor_ctx acceptor;
185 #define acceptorCtx ctxU.acceptor
186 #ifdef GSSEAP_ENABLE_REAUTH
187 gss_ctx_id_t kerberos;
188 #define kerberosCtx ctxU.kerberos
193 #define TOK_FLAG_SENDER_IS_ACCEPTOR 0x01
194 #define TOK_FLAG_WRAP_CONFIDENTIAL 0x02
195 #define TOK_FLAG_ACCEPTOR_SUBKEY 0x04
197 #define KEY_USAGE_ACCEPTOR_SEAL 22
198 #define KEY_USAGE_ACCEPTOR_SIGN 23
199 #define KEY_USAGE_INITIATOR_SEAL 24
200 #define KEY_USAGE_INITIATOR_SIGN 25
201 #define KEY_USAGE_CHANNEL_BINDINGS 64
205 gssEapWrapOrGetMIC(OM_uint32 *minor,
209 gss_iov_buffer_desc *iov,
211 enum gss_eap_token_type toktype);
214 gssEapUnwrapOrVerifyMIC(OM_uint32 *minor_status,
217 gss_qop_t *qop_state,
218 gss_iov_buffer_desc *iov,
220 enum gss_eap_token_type toktype);
223 gssEapWrapIovLength(OM_uint32 *minor,
228 gss_iov_buffer_desc *iov,
231 gssEapWrap(OM_uint32 *minor,
235 gss_buffer_t input_message_buffer,
237 gss_buffer_t output_message_buffer);
240 rfc4121Flags(gss_ctx_id_t ctx, int receiving);
242 /* display_status.c */
244 gssEapSaveStatusInfo(OM_uint32 minor, const char *format, ...);
250 #endif /* _GSSAPIP_EAP_H_ */