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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() */
55 #ifdef HAVE_SYS_PARAM_H
56 #include <sys/param.h>
60 #ifndef MAXHOSTNAMELEN
61 # include <WinSock2.h>
62 # define MAXHOSTNAMELEN NI_MAXHOST
67 #include <gssapi/gssapi.h>
68 #include <gssapi/gssapi_krb5.h>
69 #ifdef HAVE_HEIMDAL_VERSION
70 typedef struct gss_any *gss_any_t;
72 #include <gssapi/gssapi_ext.h>
74 #include "gssapi_eap.h"
76 #ifndef HAVE_GSS_INQUIRE_ATTRS_FOR_MECH
77 typedef const gss_OID_desc *gss_const_OID;
80 /* Kerberos headers */
86 #include <eap_peer/eap.h>
87 #include <eap_peer/eap_config.h>
88 #include <eap_peer/eap_methods.h>
89 #include <eap_common/eap_common.h>
92 #ifdef GSSEAP_ENABLE_ACCEPTOR
93 /* FreeRADIUS headers */
97 #define operator fr_operator
100 #include <freeradius/libradius.h>
101 #include <freeradius/radius.h>
105 /* libradsec headers */
106 #include <radsec/radsec.h>
107 #include <radsec/request.h>
114 #endif /* GSSEAP_ENABLE_ACCEPTOR */
116 #include "gsseap_err.h"
117 #include "radsec_err.h"
124 /* These name flags are informative and not actually used by anything yet */
125 #define NAME_FLAG_NAI 0x00000001
126 #define NAME_FLAG_SERVICE 0x00000002
127 #define NAME_FLAG_COMPOSITE 0x00000004
129 struct gss_eap_saml_attr_ctx;
130 struct gss_eap_attr_ctx;
132 #ifdef HAVE_HEIMDAL_VERSION
133 struct gss_name_t_desc_struct
135 struct gss_name_struct
138 GSSEAP_MUTEX mutex; /* mutex protects attrCtx */
140 gss_OID mechanismUsed; /* this is immutable */
141 krb5_principal krbPrincipal; /* this is immutable */
142 #ifdef GSSEAP_ENABLE_ACCEPTOR
143 struct gss_eap_attr_ctx *attrCtx;
147 #define CRED_FLAG_INITIATE 0x00010000
148 #define CRED_FLAG_ACCEPT 0x00020000
149 #define CRED_FLAG_PASSWORD 0x00040000
150 #define CRED_FLAG_DEFAULT_CCACHE 0x00080000
151 #define CRED_FLAG_RESOLVED 0x00100000
152 #define CRED_FLAG_TARGET 0x00200000
153 #define CRED_FLAG_PUBLIC_MASK 0x0000FFFF
155 #ifdef HAVE_HEIMDAL_VERSION
156 struct gss_cred_id_t_desc_struct
158 struct gss_cred_id_struct
164 gss_name_t target; /* for initiator */
165 gss_buffer_desc password;
166 gss_OID_set mechanisms;
168 gss_buffer_desc radiusConfigFile;
169 gss_buffer_desc radiusConfigStanza;
170 gss_buffer_desc caCertificate;
171 gss_buffer_desc subjectNameConstraint;
172 gss_buffer_desc subjectAltNameConstraint;
173 #ifdef GSSEAP_ENABLE_REAUTH
174 krb5_ccache krbCredCache;
175 gss_cred_id_t reauthCred;
179 #define CTX_FLAG_INITIATOR 0x00000001
180 #define CTX_FLAG_KRB_REAUTH 0x00000002
182 #define CTX_IS_INITIATOR(ctx) (((ctx)->flags & CTX_FLAG_INITIATOR) != 0)
184 #define CTX_IS_ESTABLISHED(ctx) ((ctx)->state == GSSEAP_STATE_ESTABLISHED)
186 /* Initiator context flags */
187 #define CTX_FLAG_EAP_SUCCESS 0x00010000
188 #define CTX_FLAG_EAP_RESTART 0x00020000
189 #define CTX_FLAG_EAP_FAIL 0x00040000
190 #define CTX_FLAG_EAP_RESP 0x00080000
191 #define CTX_FLAG_EAP_NO_RESP 0x00100000
192 #define CTX_FLAG_EAP_REQ 0x00200000
193 #define CTX_FLAG_EAP_PORT_ENABLED 0x00400000
194 #define CTX_FLAG_EAP_ALT_ACCEPT 0x00800000
195 #define CTX_FLAG_EAP_ALT_REJECT 0x01000000
196 #define CTX_FLAG_EAP_MASK 0xFFFF0000
198 struct gss_eap_initiator_ctx {
199 unsigned int idleWhile;
200 struct eap_peer_config eapPeerConfig;
202 struct wpabuf reqData;
203 struct wpabuf *chbindData;
204 unsigned int chbindReqFlags;
207 #ifdef GSSEAP_ENABLE_ACCEPTOR
208 struct gss_eap_acceptor_ctx {
209 struct rs_context *radContext;
210 struct rs_connection *radConn;
212 gss_buffer_desc state;
217 #ifdef HAVE_HEIMDAL_VERSION
218 struct gss_ctx_id_t_desc_struct
220 struct gss_ctx_id_struct
224 enum gss_eap_state state;
227 gss_OID mechanismUsed;
228 krb5_cksumtype checksumType;
229 krb5_enctype encryptionType;
230 krb5_keyblock rfc3961Key;
231 gss_name_t initiatorName;
232 gss_name_t acceptorName;
234 uint64_t sendSeq, recvSeq;
238 struct gss_eap_initiator_ctx initiator;
239 #define initiatorCtx ctxU.initiator
240 #ifdef GSSEAP_ENABLE_ACCEPTOR
241 struct gss_eap_acceptor_ctx acceptor;
242 #define acceptorCtx ctxU.acceptor
244 #ifdef GSSEAP_ENABLE_REAUTH
246 #define reauthCtx ctxU.reauth
249 const struct gss_eap_token_buffer_set *inputTokens;
250 const struct gss_eap_token_buffer_set *outputTokens;
253 #define TOK_FLAG_SENDER_IS_ACCEPTOR 0x01
254 #define TOK_FLAG_WRAP_CONFIDENTIAL 0x02
255 #define TOK_FLAG_ACCEPTOR_SUBKEY 0x04
257 #define KEY_USAGE_ACCEPTOR_SEAL 22
258 #define KEY_USAGE_ACCEPTOR_SIGN 23
259 #define KEY_USAGE_INITIATOR_SEAL 24
260 #define KEY_USAGE_INITIATOR_SIGN 25
262 /* accept_sec_context.c */
264 gssEapAcceptSecContext(OM_uint32 *minor,
267 gss_buffer_t input_token,
268 gss_channel_bindings_t input_chan_bindings,
269 gss_name_t *src_name,
271 gss_buffer_t output_token,
272 OM_uint32 *ret_flags,
274 gss_cred_id_t *delegated_cred_handle);
276 /* init_sec_context.c */
278 gssEapInitSecContext(OM_uint32 *minor,
281 gss_name_t target_name,
285 gss_channel_bindings_t input_chan_bindings,
286 gss_buffer_t input_token,
287 gss_OID *actual_mech_type,
288 gss_buffer_t output_token,
289 OM_uint32 *ret_flags,
290 OM_uint32 *time_rec);
294 gssEapWrapOrGetMIC(OM_uint32 *minor,
298 gss_iov_buffer_desc *iov,
300 enum gss_eap_token_type toktype);
303 gssEapUnwrapOrVerifyMIC(OM_uint32 *minor_status,
306 gss_qop_t *qop_state,
307 gss_iov_buffer_desc *iov,
309 enum gss_eap_token_type toktype);
312 gssEapWrapIovLength(OM_uint32 *minor,
317 gss_iov_buffer_desc *iov,
320 gssEapWrap(OM_uint32 *minor,
324 gss_buffer_t input_message_buffer,
326 gss_buffer_t output_message_buffer);
329 rfc4121Flags(gss_ctx_id_t ctx, int receiving);
331 /* display_status.c */
333 gssEapSaveStatusInfo(OM_uint32 minor, const char *format, ...);
336 gssEapDisplayStatus(OM_uint32 *minor,
337 OM_uint32 status_value,
338 gss_buffer_t status_string);
340 #define IS_WIRE_ERROR(err) ((err) > GSSEAP_RESERVED && \
341 (err) <= GSSEAP_RADIUS_PROT_FAILURE)
343 /* upper bound of RADIUS error range must be kept in sync with radsec.h */
344 #define IS_RADIUS_ERROR(err) ((err) >= ERROR_TABLE_BASE_rse && \
345 (err) <= ERROR_TABLE_BASE_rse + 20)
347 /* exchange_meta_data.c */
348 OM_uint32 GSSAPI_CALLCONV
349 gssEapExchangeMetaData(OM_uint32 *minor,
353 const gss_name_t name,
355 gss_const_buffer_t meta_data);
357 /* export_sec_context.c */
359 gssEapExportSecContext(OM_uint32 *minor,
363 /* import_sec_context.c */
365 gssEapImportContext(OM_uint32 *minor,
369 /* inquire_sec_context_by_oid.c */
370 #define NEGOEX_INITIATOR_SALT "gss-eap-negoex-initiator"
371 #define NEGOEX_INITIATOR_SALT_LEN (sizeof(NEGOEX_INITIATOR_SALT) - 1)
373 #define NEGOEX_ACCEPTOR_SALT "gss-eap-negoex-acceptor"
374 #define NEGOEX_ACCEPTOR_SALT_LEN (sizeof(NEGOEX_ACCEPTOR_SALT) - 1)
376 /* pseudo_random.c */
378 gssEapPseudoRandom(OM_uint32 *minor,
381 const gss_buffer_t prf_in,
382 ssize_t desired_output_len,
383 gss_buffer_t prf_out);
385 /* query_mechanism_info.c */
387 gssQueryMechanismInfo(OM_uint32 *minor,
388 gss_const_OID mech_oid,
389 unsigned char auth_scheme[16]);
391 /* query_meta_data.c */
393 gssEapQueryMetaData(OM_uint32 *minor,
394 gss_const_OID mech GSSEAP_UNUSED,
396 gss_ctx_id_t *context_handle,
397 const gss_name_t name,
398 OM_uint32 req_flags GSSEAP_UNUSED,
399 gss_buffer_t meta_data);
403 gssEapInitiatorInit(OM_uint32 *minor);
406 gssEapFinalize(void);
412 #endif /* _GSSAPIP_EAP_H_ */