2 * Copyright (c) 2011, 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
38 #ifdef HAVE_HEIMDAL_VERSION
39 #define KRB5_DEPRECATED /* so we can use krb5_free_unparsed_name() */
49 #include <sys/param.h>
52 #include <gssapi/gssapi.h>
53 #include <gssapi/gssapi_krb5.h>
54 #ifdef HAVE_HEIMDAL_VERSION
55 typedef struct gss_any *gss_any_t;
57 #include <gssapi/gssapi_ext.h>
59 #include "gssapi_eap.h"
61 #ifndef HAVE_GSS_INQUIRE_ATTRS_FOR_MECH
62 typedef const gss_OID_desc *gss_const_OID;
65 /* Kerberos headers */
70 #include <eap_peer/eap.h>
71 #include <eap_peer/eap_config.h>
72 #include <eap_peer/eap_methods.h>
73 #include <eap_common/eap_common.h>
76 /* FreeRADIUS headers */
79 #define operator fr_operator
81 #include <freeradius/libradius.h>
82 #include <freeradius/radius.h>
83 #include <radsec/radsec.h>
84 #include <radsec/request.h>
90 #include "gsseap_err.h"
91 #include "radsec_err.h"
98 /* These name flags are informative and not actually used by anything yet */
99 #define NAME_FLAG_NAI 0x00000001
100 #define NAME_FLAG_SERVICE 0x00000002
101 #define NAME_FLAG_COMPOSITE 0x00000004
103 struct gss_eap_saml_attr_ctx;
104 struct gss_eap_attr_ctx;
106 #ifdef HAVE_HEIMDAL_VERSION
107 struct gss_name_t_desc_struct
109 struct gss_name_struct
112 GSSEAP_MUTEX mutex; /* mutex protects attrCtx */
114 gss_OID mechanismUsed; /* this is immutable */
115 krb5_principal krbPrincipal; /* this is immutable */
116 struct gss_eap_attr_ctx *attrCtx;
119 #define CRED_FLAG_INITIATE 0x00010000
120 #define CRED_FLAG_ACCEPT 0x00020000
121 #define CRED_FLAG_DEFAULT_IDENTITY 0x00040000
122 #define CRED_FLAG_PASSWORD 0x00080000
123 #define CRED_FLAG_DEFAULT_CCACHE 0x00100000
124 #define CRED_FLAG_PUBLIC_MASK 0x0000FFFF
126 #ifdef HAVE_HEIMDAL_VERSION
127 struct gss_cred_id_t_desc_struct
129 struct gss_cred_id_struct
135 gss_buffer_desc password;
136 gss_OID_set mechanisms;
138 char *radiusConfigFile;
139 char *radiusConfigStanza;
140 #ifdef GSSEAP_ENABLE_REAUTH
141 krb5_ccache krbCredCache;
142 gss_cred_id_t reauthCred;
146 #define CTX_FLAG_INITIATOR 0x00000001
147 #define CTX_FLAG_KRB_REAUTH 0x00000002
149 #define CTX_IS_INITIATOR(ctx) (((ctx)->flags & CTX_FLAG_INITIATOR) != 0)
151 #define CTX_IS_ESTABLISHED(ctx) ((ctx)->state == GSSEAP_STATE_ESTABLISHED)
153 /* Initiator context flags */
154 #define CTX_FLAG_EAP_SUCCESS 0x00010000
155 #define CTX_FLAG_EAP_RESTART 0x00020000
156 #define CTX_FLAG_EAP_FAIL 0x00040000
157 #define CTX_FLAG_EAP_RESP 0x00080000
158 #define CTX_FLAG_EAP_NO_RESP 0x00100000
159 #define CTX_FLAG_EAP_REQ 0x00200000
160 #define CTX_FLAG_EAP_PORT_ENABLED 0x00400000
161 #define CTX_FLAG_EAP_ALT_ACCEPT 0x00800000
162 #define CTX_FLAG_EAP_ALT_REJECT 0x01000000
163 #define CTX_FLAG_EAP_MASK 0xFFFF0000
165 struct gss_eap_initiator_ctx {
166 unsigned int idleWhile;
167 struct eap_peer_config eapPeerConfig;
169 struct wpabuf reqData;
172 struct gss_eap_acceptor_ctx {
173 struct rs_context *radContext;
174 struct rs_connection *radConn;
176 gss_buffer_desc state;
180 #ifdef HAVE_HEIMDAL_VERSION
181 struct gss_ctx_id_t_desc_struct
183 struct gss_ctx_id_struct
187 enum gss_eap_state state;
190 gss_OID mechanismUsed;
191 krb5_cksumtype checksumType;
192 krb5_enctype encryptionType;
193 krb5_keyblock rfc3961Key;
194 gss_name_t initiatorName;
195 gss_name_t acceptorName;
197 uint64_t sendSeq, recvSeq;
199 gss_cred_id_t defaultCred;
201 struct gss_eap_initiator_ctx initiator;
202 #define initiatorCtx ctxU.initiator
203 struct gss_eap_acceptor_ctx acceptor;
204 #define acceptorCtx ctxU.acceptor
205 #ifdef GSSEAP_ENABLE_REAUTH
207 #define reauthCtx ctxU.reauth
212 #define TOK_FLAG_SENDER_IS_ACCEPTOR 0x01
213 #define TOK_FLAG_WRAP_CONFIDENTIAL 0x02
214 #define TOK_FLAG_ACCEPTOR_SUBKEY 0x04
216 #define KEY_USAGE_ACCEPTOR_SEAL 22
217 #define KEY_USAGE_ACCEPTOR_SIGN 23
218 #define KEY_USAGE_INITIATOR_SEAL 24
219 #define KEY_USAGE_INITIATOR_SIGN 25
223 gssEapWrapOrGetMIC(OM_uint32 *minor,
227 gss_iov_buffer_desc *iov,
229 enum gss_eap_token_type toktype);
232 gssEapUnwrapOrVerifyMIC(OM_uint32 *minor_status,
235 gss_qop_t *qop_state,
236 gss_iov_buffer_desc *iov,
238 enum gss_eap_token_type toktype);
241 gssEapWrapIovLength(OM_uint32 *minor,
246 gss_iov_buffer_desc *iov,
249 gssEapWrap(OM_uint32 *minor,
253 gss_buffer_t input_message_buffer,
255 gss_buffer_t output_message_buffer);
258 rfc4121Flags(gss_ctx_id_t ctx, int receiving);
260 /* display_status.c */
262 gssEapSaveStatusInfo(OM_uint32 minor, const char *format, ...);
264 #define IS_WIRE_ERROR(err) ((err) > GSSEAP_RESERVED && \
265 (err) <= GSSEAP_RADIUS_PROT_FAILURE)
267 /* export_sec_context.c */
269 gssEapExportSecContext(OM_uint32 *minor,
278 #endif /* _GSSAPIP_EAP_H_ */