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
34 * Establish a security context on the initiator (client). These functions
38 #include "gssapiP_eap.h"
41 policyVariableToFlag(enum eapol_bool_var variable)
46 case EAPOL_eapSuccess:
47 flag = CTX_FLAG_EAP_SUCCESS;
49 case EAPOL_eapRestart:
50 flag = CTX_FLAG_EAP_RESTART;
53 flag = CTX_FLAG_EAP_FAIL;
56 flag = CTX_FLAG_EAP_RESP;
59 flag = CTX_FLAG_EAP_NO_RESP;
62 flag = CTX_FLAG_EAP_REQ;
64 case EAPOL_portEnabled:
65 flag = CTX_FLAG_EAP_PORT_ENABLED;
68 flag = CTX_FLAG_EAP_ALT_ACCEPT;
71 flag = CTX_FLAG_EAP_ALT_REJECT;
78 static struct eap_peer_config *
79 peerGetConfig(void *ctx)
81 gss_ctx_id_t gssCtx = (gss_ctx_id_t)ctx;
83 return &gssCtx->initiatorCtx.eapPeerConfig;
87 peerGetBool(void *data, enum eapol_bool_var variable)
89 gss_ctx_id_t ctx = data;
92 if (ctx == GSS_C_NO_CONTEXT)
95 flag = policyVariableToFlag(variable);
97 return ((ctx->flags & flag) != 0);
101 peerSetBool(void *data, enum eapol_bool_var variable,
104 gss_ctx_id_t ctx = data;
107 if (ctx == GSS_C_NO_CONTEXT)
110 flag = policyVariableToFlag(variable);
115 ctx->flags &= ~(flag);
119 peerGetInt(void *data, enum eapol_int_var variable)
121 gss_ctx_id_t ctx = data;
123 if (ctx == GSS_C_NO_CONTEXT)
126 assert(CTX_IS_INITIATOR(ctx));
129 case EAPOL_idleWhile:
130 return ctx->initiatorCtx.idleWhile;
138 peerSetInt(void *data, enum eapol_int_var variable,
141 gss_ctx_id_t ctx = data;
143 if (ctx == GSS_C_NO_CONTEXT)
146 assert(CTX_IS_INITIATOR(ctx));
149 case EAPOL_idleWhile:
150 ctx->initiatorCtx.idleWhile = value;
155 static struct wpabuf *
156 peerGetEapReqData(void *ctx)
158 gss_ctx_id_t gssCtx = (gss_ctx_id_t)ctx;
160 return &gssCtx->initiatorCtx.reqData;
164 peerSetConfigBlob(void *ctx GSSEAP_UNUSED,
165 struct wpa_config_blob *blob GSSEAP_UNUSED)
169 static const struct wpa_config_blob *
170 peerGetConfigBlob(void *ctx GSSEAP_UNUSED,
171 const char *name GSSEAP_UNUSED)
177 peerNotifyPending(void *ctx GSSEAP_UNUSED)
181 static struct eapol_callbacks gssEapPolicyCallbacks = {
194 extern int wpa_debug_level;
198 peerConfigInit(OM_uint32 *minor,
202 krb5_context krbContext;
203 struct eap_peer_config *eapPeerConfig = &ctx->initiatorCtx.eapPeerConfig;
204 krb5_error_code code;
205 char *identity, *anonymousIdentity;
207 eapPeerConfig->identity = NULL;
208 eapPeerConfig->identity_len = 0;
209 eapPeerConfig->password = NULL;
210 eapPeerConfig->password_len = 0;
212 assert(cred != GSS_C_NO_CREDENTIAL);
214 GSSEAP_KRB_INIT(&krbContext);
216 eapPeerConfig->fragment_size = 1024;
221 assert(cred->name != GSS_C_NO_NAME);
223 if ((cred->name->flags & (NAME_FLAG_NAI | NAME_FLAG_SERVICE)) == 0) {
224 *minor = GSSEAP_BAD_INITIATOR_NAME;
225 return GSS_S_BAD_NAME;
228 code = krb5_unparse_name(krbContext, cred->name->krbPrincipal, &identity);
231 return GSS_S_FAILURE;
234 anonymousIdentity = strchr(identity, '@');
235 if (anonymousIdentity == NULL)
236 anonymousIdentity = "";
238 eapPeerConfig->identity = (unsigned char *)identity;
239 eapPeerConfig->identity_len = strlen(identity);
240 eapPeerConfig->anonymous_identity = (unsigned char *)anonymousIdentity;
241 eapPeerConfig->anonymous_identity_len = strlen(anonymousIdentity);
242 eapPeerConfig->password = (unsigned char *)cred->password.value;
243 eapPeerConfig->password_len = cred->password.length;
246 return GSS_S_COMPLETE;
250 peerConfigFree(OM_uint32 *minor,
253 krb5_context krbContext;
254 struct eap_peer_config *eapPeerConfig = &ctx->initiatorCtx.eapPeerConfig;
256 GSSEAP_KRB_INIT(&krbContext);
258 krb5_free_unparsed_name(krbContext, (char *)eapPeerConfig->identity);
261 return GSS_S_COMPLETE;
265 * Mark an initiator context as ready for cryptographic operations
268 initReady(OM_uint32 *minor, gss_ctx_id_t ctx, OM_uint32 reqFlags)
271 const unsigned char *key;
275 /* XXX actually check for mutual auth */
276 if (reqFlags & GSS_C_MUTUAL_FLAG)
277 ctx->gssFlags |= GSS_C_MUTUAL_FLAG;
280 /* Cache encryption type derived from selected mechanism OID */
281 major = gssEapOidToEnctype(minor, ctx->mechanismUsed, &ctx->encryptionType);
282 if (GSS_ERROR(major))
285 if (!eap_key_available(ctx->initiatorCtx.eap)) {
286 *minor = GSSEAP_KEY_UNAVAILABLE;
287 return GSS_S_UNAVAILABLE;
290 key = eap_get_eapKeyData(ctx->initiatorCtx.eap, &keyLength);
292 if (keyLength < EAP_EMSK_LEN) {
293 *minor = GSSEAP_KEY_TOO_SHORT;
294 return GSS_S_UNAVAILABLE;
297 major = gssEapDeriveRfc3961Key(minor,
298 &key[EAP_EMSK_LEN / 2],
302 if (GSS_ERROR(major))
305 major = rfc3961ChecksumTypeForKey(minor, &ctx->rfc3961Key,
307 if (GSS_ERROR(major))
310 major = sequenceInit(minor,
313 ((ctx->gssFlags & GSS_C_REPLAY_FLAG) != 0),
314 ((ctx->gssFlags & GSS_C_SEQUENCE_FLAG) != 0),
316 if (GSS_ERROR(major))
320 return GSS_S_COMPLETE;
324 initBegin(OM_uint32 *minor,
329 OM_uint32 reqFlags GSSEAP_UNUSED,
331 gss_channel_bindings_t chanBindings GSSEAP_UNUSED)
335 assert(cred != GSS_C_NO_CREDENTIAL);
337 if (cred->expiryTime)
338 ctx->expiryTime = cred->expiryTime;
339 else if (timeReq == 0 || timeReq == GSS_C_INDEFINITE)
342 ctx->expiryTime = time(NULL) + timeReq;
345 * The credential mutex protects its name, however we need to
346 * explicitly lock the acceptor name (unlikely as it may be
347 * that it has attributes set on it).
349 major = gssEapDuplicateName(minor, cred->name, &ctx->initiatorName);
350 if (GSS_ERROR(major))
353 if (target != GSS_C_NO_NAME) {
354 GSSEAP_MUTEX_LOCK(&target->mutex);
356 major = gssEapDuplicateName(minor, target, &ctx->acceptorName);
357 if (GSS_ERROR(major)) {
358 GSSEAP_MUTEX_UNLOCK(&target->mutex);
362 GSSEAP_MUTEX_UNLOCK(&target->mutex);
365 if (mech == GSS_C_NULL_OID) {
366 major = gssEapDefaultMech(minor, &ctx->mechanismUsed);
367 } else if (gssEapIsConcreteMechanismOid(mech)) {
368 if (!gssEapInternalizeOid(mech, &ctx->mechanismUsed))
369 major = duplicateOid(minor, mech, &ctx->mechanismUsed);
371 major = GSS_S_BAD_MECH;
372 *minor = GSSEAP_WRONG_MECH;
374 if (GSS_ERROR(major))
377 /* If credentials were provided, check they're usable with this mech */
378 if (!gssEapCredAvailable(cred, ctx->mechanismUsed)) {
379 *minor = GSSEAP_CRED_MECH_MISMATCH;
380 return GSS_S_BAD_MECH;
384 return GSS_S_COMPLETE;
388 eapGssSmInitError(OM_uint32 *minor,
389 gss_cred_id_t cred GSSEAP_UNUSED,
390 gss_ctx_id_t ctx GSSEAP_UNUSED,
391 gss_name_t target GSSEAP_UNUSED,
392 gss_OID mech GSSEAP_UNUSED,
393 OM_uint32 reqFlags GSSEAP_UNUSED,
394 OM_uint32 timeReq GSSEAP_UNUSED,
395 gss_channel_bindings_t chanBindings GSSEAP_UNUSED,
396 gss_buffer_t inputToken,
397 gss_buffer_t outputToken GSSEAP_UNUSED,
398 OM_uint32 *smFlags GSSEAP_UNUSED)
403 if (inputToken->length < 8) {
404 *minor = GSSEAP_TOK_TRUNC;
405 return GSS_S_DEFECTIVE_TOKEN;
408 p = (unsigned char *)inputToken->value;
410 major = load_uint32_be(&p[0]);
411 *minor = ERROR_TABLE_BASE_eapg + load_uint32_be(&p[4]);
413 if (!GSS_ERROR(major) || !IS_WIRE_ERROR(*minor)) {
414 major = GSS_S_FAILURE;
415 *minor = GSSEAP_BAD_ERROR_TOKEN;
418 assert(GSS_ERROR(major));
423 #ifdef GSSEAP_ENABLE_REAUTH
425 eapGssSmInitGssReauth(OM_uint32 *minor,
429 gss_OID mech GSSEAP_UNUSED,
432 gss_channel_bindings_t chanBindings,
433 gss_buffer_t inputToken,
434 gss_buffer_t outputToken,
435 OM_uint32 *smFlags GSSEAP_UNUSED)
437 OM_uint32 major, tmpMinor;
438 gss_name_t mechTarget = GSS_C_NO_NAME;
439 gss_OID actualMech = GSS_C_NO_OID;
440 OM_uint32 gssFlags, timeRec;
442 assert(cred != GSS_C_NO_CREDENTIAL);
444 if (GSSEAP_SM_STATE(ctx) == GSSEAP_STATE_INITIAL) {
445 if (!gssEapCanReauthP(cred, target, timeReq))
446 return GSS_S_CONTINUE_NEEDED;
448 ctx->flags |= CTX_FLAG_KRB_REAUTH;
449 } else if ((ctx->flags & CTX_FLAG_KRB_REAUTH) == 0) {
450 major = GSS_S_DEFECTIVE_TOKEN;
451 *minor = GSSEAP_WRONG_ITOK;
455 major = gssEapMechToGlueName(minor, target, &mechTarget);
456 if (GSS_ERROR(major))
459 major = gssInitSecContext(minor,
463 (gss_OID)gss_mech_krb5,
464 reqFlags | GSS_C_MUTUAL_FLAG,
472 if (GSS_ERROR(major))
475 ctx->gssFlags = gssFlags;
477 if (major == GSS_S_COMPLETE) {
478 assert(GSSEAP_SM_STATE(ctx) == GSSEAP_STATE_REAUTHENTICATE);
480 major = gssEapReauthComplete(minor, ctx, cred, actualMech, timeRec);
481 if (GSS_ERROR(major))
483 GSSEAP_SM_TRANSITION(ctx, GSSEAP_STATE_ESTABLISHED);
485 GSSEAP_SM_TRANSITION(ctx, GSSEAP_STATE_REAUTHENTICATE);
489 gssReleaseName(&tmpMinor, &mechTarget);
493 #endif /* GSSEAP_ENABLE_REAUTH */
497 eapGssSmInitVendorInfo(OM_uint32 *minor,
498 gss_cred_id_t cred GSSEAP_UNUSED,
499 gss_ctx_id_t ctx GSSEAP_UNUSED,
500 gss_name_t target GSSEAP_UNUSED,
501 gss_OID mech GSSEAP_UNUSED,
502 OM_uint32 reqFlags GSSEAP_UNUSED,
503 OM_uint32 timeReq GSSEAP_UNUSED,
504 gss_channel_bindings_t chanBindings GSSEAP_UNUSED,
505 gss_buffer_t inputToken GSSEAP_UNUSED,
506 gss_buffer_t outputToken,
507 OM_uint32 *smFlags GSSEAP_UNUSED)
511 major = makeStringBuffer(minor, "JANET(UK)", outputToken);
512 if (GSS_ERROR(major))
515 return GSS_S_CONTINUE_NEEDED;
520 eapGssSmInitAcceptorName(OM_uint32 *minor,
521 gss_cred_id_t cred GSSEAP_UNUSED,
523 gss_name_t target GSSEAP_UNUSED,
524 gss_OID mech GSSEAP_UNUSED,
525 OM_uint32 reqFlags GSSEAP_UNUSED,
526 OM_uint32 timeReq GSSEAP_UNUSED,
527 gss_channel_bindings_t chanBindings GSSEAP_UNUSED,
528 gss_buffer_t inputToken GSSEAP_UNUSED,
529 gss_buffer_t outputToken,
530 OM_uint32 *smFlags GSSEAP_UNUSED)
534 if (GSSEAP_SM_STATE(ctx) == GSSEAP_STATE_INITIAL &&
535 ctx->acceptorName != GSS_C_NO_NAME) {
537 /* Send desired target name to acceptor */
538 major = gssEapDisplayName(minor, ctx->acceptorName,
540 if (GSS_ERROR(major))
542 } else if (inputToken != GSS_C_NO_BUFFER &&
543 ctx->acceptorName == GSS_C_NO_NAME) {
544 /* Accept target name hint from acceptor */
545 major = gssEapImportName(minor, inputToken,
546 GSS_C_NT_USER_NAME, &ctx->acceptorName);
547 if (GSS_ERROR(major))
552 * Currently, other parts of the code assume that the acceptor name
553 * is available, hence this check.
555 if (ctx->acceptorName == GSS_C_NO_NAME) {
556 *minor = GSSEAP_NO_ACCEPTOR_NAME;
557 return GSS_S_FAILURE;
560 return GSS_S_CONTINUE_NEEDED;
564 eapGssSmInitIdentity(OM_uint32 *minor,
565 gss_cred_id_t cred GSSEAP_UNUSED,
567 gss_name_t target GSSEAP_UNUSED,
568 gss_OID mech GSSEAP_UNUSED,
569 OM_uint32 reqFlags GSSEAP_UNUSED,
570 OM_uint32 timeReq GSSEAP_UNUSED,
571 gss_channel_bindings_t chanBindings GSSEAP_UNUSED,
572 gss_buffer_t inputToken GSSEAP_UNUSED,
573 gss_buffer_t outputToken GSSEAP_UNUSED,
576 struct eap_config eapConfig;
578 #ifdef GSSEAP_ENABLE_REAUTH
579 if (GSSEAP_SM_STATE(ctx) == GSSEAP_STATE_REAUTHENTICATE) {
582 /* server didn't support reauthentication, sent EAP request */
583 gssDeleteSecContext(&tmpMinor, &ctx->kerberosCtx, GSS_C_NO_BUFFER);
584 ctx->flags &= ~(CTX_FLAG_KRB_REAUTH);
585 GSSEAP_SM_TRANSITION(ctx, GSSEAP_STATE_INITIAL);
588 *smFlags |= SM_FLAG_FORCE_SEND_TOKEN;
590 assert((ctx->flags & CTX_FLAG_KRB_REAUTH) == 0);
591 assert(inputToken == GSS_C_NO_BUFFER);
593 memset(&eapConfig, 0, sizeof(eapConfig));
595 ctx->initiatorCtx.eap = eap_peer_sm_init(ctx,
596 &gssEapPolicyCallbacks,
599 if (ctx->initiatorCtx.eap == NULL) {
600 *minor = GSSEAP_PEER_SM_INIT_FAILURE;
601 return GSS_S_FAILURE;
604 ctx->flags |= CTX_FLAG_EAP_RESTART | CTX_FLAG_EAP_PORT_ENABLED;
606 /* poke EAP state machine */
607 if (eap_peer_sm_step(ctx->initiatorCtx.eap) != 0) {
608 *minor = GSSEAP_PEER_SM_STEP_FAILURE;
609 return GSS_S_FAILURE;
612 GSSEAP_SM_TRANSITION_NEXT(ctx);
616 return GSS_S_CONTINUE_NEEDED;
620 eapGssSmInitAuthenticate(OM_uint32 *minor,
623 gss_name_t target GSSEAP_UNUSED,
624 gss_OID mech GSSEAP_UNUSED,
625 OM_uint32 reqFlags GSSEAP_UNUSED,
626 OM_uint32 timeReq GSSEAP_UNUSED,
627 gss_channel_bindings_t chanBindings GSSEAP_UNUSED,
628 gss_buffer_t inputToken GSSEAP_UNUSED,
629 gss_buffer_t outputToken,
635 struct wpabuf *resp = NULL;
639 assert(inputToken != GSS_C_NO_BUFFER);
641 major = peerConfigInit(minor, cred, ctx);
642 if (GSS_ERROR(major))
645 assert(ctx->initiatorCtx.eap != NULL);
646 assert(ctx->flags & CTX_FLAG_EAP_PORT_ENABLED);
648 ctx->flags |= CTX_FLAG_EAP_REQ; /* we have a Request from the acceptor */
650 wpabuf_set(&ctx->initiatorCtx.reqData,
651 inputToken->value, inputToken->length);
653 major = GSS_S_CONTINUE_NEEDED;
655 code = eap_peer_sm_step(ctx->initiatorCtx.eap);
656 if (ctx->flags & CTX_FLAG_EAP_RESP) {
657 ctx->flags &= ~(CTX_FLAG_EAP_RESP);
659 resp = eap_get_eapRespData(ctx->initiatorCtx.eap);
660 } else if (ctx->flags & CTX_FLAG_EAP_SUCCESS) {
661 major = initReady(minor, ctx, reqFlags);
662 if (GSS_ERROR(major))
665 ctx->flags &= ~(CTX_FLAG_EAP_SUCCESS);
666 major = GSS_S_CONTINUE_NEEDED;
667 GSSEAP_SM_TRANSITION_NEXT(ctx);
668 } else if (ctx->flags & CTX_FLAG_EAP_FAIL) {
669 major = GSS_S_DEFECTIVE_CREDENTIAL;
670 *minor = GSSEAP_PEER_AUTH_FAILURE;
672 major = GSS_S_DEFECTIVE_TOKEN;
673 *minor = GSSEAP_PEER_BAD_MESSAGE;
679 gss_buffer_desc respBuf;
681 assert(major == GSS_S_CONTINUE_NEEDED);
683 respBuf.length = wpabuf_len(resp);
684 respBuf.value = (void *)wpabuf_head(resp);
686 tmpMajor = duplicateBuffer(&tmpMinor, &respBuf, outputToken);
687 if (GSS_ERROR(tmpMajor)) {
692 *smFlags |= SM_FLAG_OUTPUT_TOKEN_CRITICAL;
695 wpabuf_set(&ctx->initiatorCtx.reqData, NULL, 0);
696 peerConfigFree(&tmpMinor, ctx);
702 eapGssSmInitGssChannelBindings(OM_uint32 *minor,
703 gss_cred_id_t cred GSSEAP_UNUSED,
705 gss_name_t target GSSEAP_UNUSED,
706 gss_OID mech GSSEAP_UNUSED,
707 OM_uint32 reqFlags GSSEAP_UNUSED,
708 OM_uint32 timeReq GSSEAP_UNUSED,
709 gss_channel_bindings_t chanBindings,
710 gss_buffer_t inputToken GSSEAP_UNUSED,
711 gss_buffer_t outputToken,
715 gss_buffer_desc buffer = GSS_C_EMPTY_BUFFER;
717 if (chanBindings != GSS_C_NO_CHANNEL_BINDINGS)
718 buffer = chanBindings->application_data;
720 major = gssEapWrap(minor, ctx, TRUE, GSS_C_QOP_DEFAULT,
721 &buffer, NULL, outputToken);
722 if (GSS_ERROR(major))
725 assert(outputToken->value != NULL);
728 *smFlags |= SM_FLAG_OUTPUT_TOKEN_CRITICAL;
730 return GSS_S_CONTINUE_NEEDED;
733 #ifdef GSSEAP_ENABLE_REAUTH
735 eapGssSmInitReauthCreds(OM_uint32 *minor,
738 gss_name_t target GSSEAP_UNUSED,
739 gss_OID mech GSSEAP_UNUSED,
740 OM_uint32 reqFlags GSSEAP_UNUSED,
741 OM_uint32 timeReq GSSEAP_UNUSED,
742 gss_channel_bindings_t chanBindings GSSEAP_UNUSED,
743 gss_buffer_t inputToken,
744 gss_buffer_t outputToken GSSEAP_UNUSED,
745 OM_uint32 *smFlags GSSEAP_UNUSED)
749 if (ctx->gssFlags & GSS_C_MUTUAL_FLAG) {
750 major = gssEapStoreReauthCreds(minor, ctx, cred, inputToken);
751 if (GSS_ERROR(major))
756 return GSS_S_CONTINUE_NEEDED;
758 #endif /* GSSEAP_ENABLE_REAUTH */
761 eapGssSmInitCompleteInitiatorExts(OM_uint32 *minor,
762 gss_cred_id_t cred GSSEAP_UNUSED,
764 gss_name_t target GSSEAP_UNUSED,
765 gss_OID mech GSSEAP_UNUSED,
766 OM_uint32 reqFlags GSSEAP_UNUSED,
767 OM_uint32 timeReq GSSEAP_UNUSED,
768 gss_channel_bindings_t chanBindings GSSEAP_UNUSED,
769 gss_buffer_t inputToken GSSEAP_UNUSED,
770 gss_buffer_t outputToken GSSEAP_UNUSED,
773 GSSEAP_SM_TRANSITION_NEXT(ctx);
776 *smFlags |= SM_FLAG_FORCE_SEND_TOKEN;
778 return GSS_S_CONTINUE_NEEDED;
782 eapGssSmInitCompleteAcceptorExts(OM_uint32 *minor,
783 gss_cred_id_t cred GSSEAP_UNUSED,
785 gss_name_t target GSSEAP_UNUSED,
786 gss_OID mech GSSEAP_UNUSED,
787 OM_uint32 reqFlags GSSEAP_UNUSED,
788 OM_uint32 timeReq GSSEAP_UNUSED,
789 gss_channel_bindings_t chanBindings GSSEAP_UNUSED,
790 gss_buffer_t inputToken GSSEAP_UNUSED,
791 gss_buffer_t outputToken GSSEAP_UNUSED,
792 OM_uint32 *smFlags GSSEAP_UNUSED)
794 GSSEAP_SM_TRANSITION(ctx, GSSEAP_STATE_ESTABLISHED);
798 return GSS_S_COMPLETE;
801 static struct gss_eap_sm eapGssInitiatorSm[] = {
803 ITOK_TYPE_CONTEXT_ERR,
805 GSSEAP_STATE_ALL & ~(GSSEAP_STATE_INITIAL),
810 ITOK_TYPE_ACCEPTOR_NAME_RESP,
811 ITOK_TYPE_ACCEPTOR_NAME_REQ,
812 GSSEAP_STATE_INITIAL | GSSEAP_STATE_AUTHENTICATE,
814 eapGssSmInitAcceptorName
819 ITOK_TYPE_VENDOR_INFO,
820 GSSEAP_STATE_INITIAL,
822 eapGssSmInitVendorInfo
825 #ifdef GSSEAP_ENABLE_REAUTH
827 ITOK_TYPE_REAUTH_RESP,
828 ITOK_TYPE_REAUTH_REQ,
829 GSSEAP_STATE_INITIAL | GSSEAP_STATE_REAUTHENTICATE,
831 eapGssSmInitGssReauth
837 #ifdef GSSEAP_ENABLE_REAUTH
838 GSSEAP_STATE_REAUTHENTICATE |
840 GSSEAP_STATE_INITIAL,
841 SM_ITOK_FLAG_REQUIRED,
847 GSSEAP_STATE_AUTHENTICATE,
848 SM_ITOK_FLAG_REQUIRED,
849 eapGssSmInitAuthenticate
853 ITOK_TYPE_GSS_CHANNEL_BINDINGS,
854 GSSEAP_STATE_INITIATOR_EXTS,
855 SM_ITOK_FLAG_REQUIRED,
856 eapGssSmInitGssChannelBindings
861 GSSEAP_STATE_INITIATOR_EXTS,
863 eapGssSmInitCompleteInitiatorExts
865 #ifdef GSSEAP_ENABLE_REAUTH
867 ITOK_TYPE_REAUTH_CREDS,
869 GSSEAP_STATE_ACCEPTOR_EXTS,
871 eapGssSmInitReauthCreds
874 /* other extensions go here */
878 GSSEAP_STATE_ACCEPTOR_EXTS,
880 eapGssSmInitCompleteAcceptorExts
885 gss_init_sec_context(OM_uint32 *minor,
887 gss_ctx_id_t *context_handle,
888 gss_name_t target_name,
892 gss_channel_bindings_t input_chan_bindings,
893 gss_buffer_t input_token,
894 gss_OID *actual_mech_type,
895 gss_buffer_t output_token,
896 OM_uint32 *ret_flags,
899 OM_uint32 major, tmpMinor;
900 gss_ctx_id_t ctx = *context_handle;
901 int initialContextToken = 0;
905 output_token->length = 0;
906 output_token->value = NULL;
908 if (ctx == GSS_C_NO_CONTEXT) {
909 if (input_token != GSS_C_NO_BUFFER && input_token->length != 0) {
910 *minor = GSSEAP_WRONG_SIZE;
911 return GSS_S_DEFECTIVE_TOKEN;
914 major = gssEapAllocContext(minor, &ctx);
915 if (GSS_ERROR(major))
918 ctx->flags |= CTX_FLAG_INITIATOR;
919 initialContextToken = 1;
921 *context_handle = ctx;
924 GSSEAP_MUTEX_LOCK(&ctx->mutex);
926 if (cred == GSS_C_NO_CREDENTIAL) {
927 if (ctx->defaultCred == GSS_C_NO_CREDENTIAL) {
928 major = gssEapAcquireCred(minor,
937 if (GSS_ERROR(major))
941 cred = ctx->defaultCred;
944 GSSEAP_MUTEX_LOCK(&cred->mutex);
946 if ((cred->flags & CRED_FLAG_INITIATE) == 0) {
947 major = GSS_S_NO_CRED;
948 *minor = GSSEAP_CRED_USAGE_MISMATCH;
952 if (initialContextToken) {
953 major = initBegin(minor, cred, ctx, target_name, mech_type,
954 req_flags, time_req, input_chan_bindings);
955 if (GSS_ERROR(major))
959 major = gssEapSmStep(minor,
970 sizeof(eapGssInitiatorSm) / sizeof(eapGssInitiatorSm[0]));
971 if (GSS_ERROR(major))
974 if (actual_mech_type != NULL) {
975 if (!gssEapInternalizeOid(ctx->mechanismUsed, actual_mech_type))
976 duplicateOid(&tmpMinor, ctx->mechanismUsed, actual_mech_type);
978 if (ret_flags != NULL)
979 *ret_flags = ctx->gssFlags;
980 if (time_rec != NULL)
981 gssEapContextTime(&tmpMinor, ctx, time_rec);
983 assert(CTX_IS_ESTABLISHED(ctx) || major == GSS_S_CONTINUE_NEEDED);
986 if (cred != GSS_C_NO_CREDENTIAL)
987 GSSEAP_MUTEX_UNLOCK(&cred->mutex);
988 GSSEAP_MUTEX_UNLOCK(&ctx->mutex);
990 if (GSS_ERROR(major))
991 gssEapReleaseContext(&tmpMinor, context_handle);