2 * Copyright (c) 2011, JANET(UK)
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34 * Establish a security context on the acceptor (server). These functions
35 * wrap around libradsec and (thus) talk to a RADIUS server or proxy.
38 #include "gssapiP_eap.h"
40 #ifdef GSSEAP_ENABLE_REAUTH
42 eapGssSmAcceptGssReauth(OM_uint32 *minor,
45 gss_name_t target __attribute__((__unused__)),
46 gss_OID mech __attribute__((__unused__)),
47 OM_uint32 reqFlags __attribute__((__unused__)),
48 OM_uint32 timeReq __attribute__((__unused__)),
49 gss_channel_bindings_t chanBindings,
50 gss_buffer_t inputToken,
51 gss_buffer_t outputToken,
56 * Mark an acceptor context as ready for cryptographic operations
59 acceptReadyEap(OM_uint32 *minor, gss_ctx_id_t ctx, gss_cred_id_t cred)
61 OM_uint32 major, tmpMinor;
63 gss_buffer_desc nameBuf = GSS_C_EMPTY_BUFFER;
65 /* Cache encryption type derived from selected mechanism OID */
66 major = gssEapOidToEnctype(minor, ctx->mechanismUsed,
67 &ctx->encryptionType);
71 gssEapReleaseName(&tmpMinor, &ctx->initiatorName);
73 major = gssEapRadiusGetRawAvp(minor, ctx->acceptorCtx.vps,
74 PW_USER_NAME, 0, &vp);
75 if (major == GSS_S_COMPLETE) {
76 nameBuf.length = vp->length;
77 nameBuf.value = vp->vp_strvalue;
79 ctx->gssFlags |= GSS_C_ANON_FLAG;
82 major = gssEapImportName(minor, &nameBuf,
83 (ctx->gssFlags & GSS_C_ANON_FLAG) ?
84 GSS_C_NT_ANONYMOUS : GSS_C_NT_USER_NAME,
89 major = gssEapRadiusGetRawAvp(minor, ctx->acceptorCtx.vps,
90 PW_MS_MPPE_SEND_KEY, VENDORPEC_MS, &vp);
91 if (GSS_ERROR(major)) {
92 *minor = GSSEAP_KEY_UNAVAILABLE;
93 return GSS_S_UNAVAILABLE;
96 major = gssEapDeriveRfc3961Key(minor,
101 if (GSS_ERROR(major))
104 major = rfc3961ChecksumTypeForKey(minor, &ctx->rfc3961Key,
106 if (GSS_ERROR(major))
109 major = sequenceInit(minor,
110 &ctx->seqState, ctx->recvSeq,
111 ((ctx->gssFlags & GSS_C_REPLAY_FLAG) != 0),
112 ((ctx->gssFlags & GSS_C_SEQUENCE_FLAG) != 0),
114 if (GSS_ERROR(major))
117 major = gssEapCreateAttrContext(minor, cred, ctx,
118 &ctx->initiatorName->attrCtx,
120 if (GSS_ERROR(major))
124 return GSS_S_COMPLETE;
129 eapGssSmAcceptVendorInfo(OM_uint32 *minor,
136 gss_channel_bindings_t chanBindings,
137 gss_buffer_t inputToken,
138 gss_buffer_t outputToken,
141 fprintf(stderr, "GSS-EAP: vendor %.*s\n",
142 (int)inputToken->length, (char *)inputToken->value);
144 return GSS_S_CONTINUE_NEEDED;
150 * Emit a identity EAP request to force the initiator (peer) to identify
154 eapGssSmAcceptIdentity(OM_uint32 *minor,
157 gss_name_t target __attribute__((__unused__)),
158 gss_OID mech __attribute__((__unused__)),
159 OM_uint32 reqFlags __attribute__((__unused__)),
160 OM_uint32 timeReq __attribute__((__unused__)),
161 gss_channel_bindings_t chanBindings __attribute__((__unused__)),
162 gss_buffer_t inputToken,
163 gss_buffer_t outputToken,
167 struct wpabuf *reqData;
168 gss_buffer_desc pktBuffer;
170 if (!gssEapCredAvailable(cred, ctx->mechanismUsed)) {
171 *minor = GSSEAP_CRED_MECH_MISMATCH;
172 return GSS_S_BAD_MECH;
175 if (inputToken != GSS_C_NO_BUFFER && inputToken->length != 0) {
176 *minor = GSSEAP_WRONG_SIZE;
177 return GSS_S_DEFECTIVE_TOKEN;
180 assert(ctx->acceptorName == GSS_C_NO_NAME);
182 if (cred->name != GSS_C_NO_NAME) {
183 major = gssEapDuplicateName(minor, cred->name, &ctx->acceptorName);
184 if (GSS_ERROR(major))
188 reqData = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_IDENTITY, 0,
189 EAP_CODE_REQUEST, 0);
190 if (reqData == NULL) {
192 return GSS_S_FAILURE;
195 pktBuffer.length = wpabuf_len(reqData);
196 pktBuffer.value = (void *)wpabuf_head(reqData);
198 major = duplicateBuffer(minor, &pktBuffer, outputToken);
199 if (GSS_ERROR(major))
202 wpabuf_free(reqData);
204 GSSEAP_SM_TRANSITION_NEXT(ctx);
208 return GSS_S_CONTINUE_NEEDED;
212 * Returns TRUE if the input token contains an EAP identity response.
215 isIdentityResponseP(gss_buffer_t inputToken)
217 struct wpabuf respData;
219 wpabuf_set(&respData, inputToken->value, inputToken->length);
221 return (eap_get_type(&respData) == EAP_TYPE_IDENTITY);
225 * Save the asserted initiator identity from the EAP identity response.
228 importInitiatorIdentity(OM_uint32 *minor,
230 gss_buffer_t inputToken)
233 struct wpabuf respData;
234 const unsigned char *pos;
236 gss_buffer_desc nameBuf;
238 wpabuf_set(&respData, inputToken->value, inputToken->length);
240 pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_IDENTITY,
243 *minor = GSSEAP_PEER_BAD_MESSAGE;
244 return GSS_S_DEFECTIVE_TOKEN;
247 nameBuf.value = (void *)pos;
248 nameBuf.length = len;
250 gssEapReleaseName(&tmpMinor, &ctx->initiatorName);
252 return gssEapImportName(minor, &nameBuf, GSS_C_NT_USER_NAME,
253 &ctx->initiatorName);
257 * Pass the asserted initiator identity to the authentication server.
260 setInitiatorIdentity(OM_uint32 *minor,
264 OM_uint32 major, tmpMinor;
265 gss_buffer_desc nameBuf;
268 * We should have got an EAP identity response, but if we didn't, then
269 * we will just avoid sending User-Name. Note that radsecproxy requires
270 * User-Name to be sent on every request (presumably so it can remain
273 if (ctx->initiatorName != GSS_C_NO_NAME) {
274 major = gssEapDisplayName(minor, ctx->initiatorName, &nameBuf, NULL);
275 if (GSS_ERROR(major))
278 major = gssEapRadiusAddAvp(minor, vps, PW_USER_NAME, 0, &nameBuf);
279 if (GSS_ERROR(major))
282 gss_release_buffer(&tmpMinor, &nameBuf);
286 return GSS_S_COMPLETE;
290 * Pass the asserted acceptor identity to the authentication server.
293 setAcceptorIdentity(OM_uint32 *minor,
298 gss_buffer_desc nameBuf;
299 krb5_context krbContext = NULL;
300 krb5_principal krbPrinc;
301 struct rs_context *rc = ctx->acceptorCtx.radContext;
305 if (ctx->acceptorName == GSS_C_NO_NAME) {
307 return GSS_S_COMPLETE;
310 if ((ctx->acceptorName->flags & NAME_FLAG_SERVICE) == 0) {
311 *minor = GSSEAP_BAD_SERVICE_NAME;
312 return GSS_S_BAD_NAME;
315 GSSEAP_KRB_INIT(&krbContext);
317 krbPrinc = ctx->acceptorName->krbPrincipal;
318 assert(krbPrinc != NULL);
319 assert(KRB_PRINC_LENGTH(krbPrinc) >= 2);
321 /* Acceptor-Service-Name */
322 krbPrincComponentToGssBuffer(krbPrinc, 0, &nameBuf);
324 major = gssEapRadiusAddAvp(minor, vps,
325 PW_GSS_ACCEPTOR_SERVICE_NAME,
328 if (GSS_ERROR(major))
331 /* Acceptor-Host-Name */
332 krbPrincComponentToGssBuffer(krbPrinc, 1, &nameBuf);
334 major = gssEapRadiusAddAvp(minor, vps,
335 PW_GSS_ACCEPTOR_HOST_NAME,
338 if (GSS_ERROR(major))
341 if (KRB_PRINC_LENGTH(krbPrinc) > 2) {
342 /* Acceptor-Service-Specific */
343 krb5_principal_data ssiPrinc = *krbPrinc;
346 KRB_PRINC_LENGTH(&ssiPrinc) -= 2;
347 KRB_PRINC_NAME(&ssiPrinc) += 2;
349 *minor = krb5_unparse_name_flags(krbContext, &ssiPrinc,
350 KRB5_PRINCIPAL_UNPARSE_NO_REALM, &ssi);
352 return GSS_S_FAILURE;
355 nameBuf.length = strlen(ssi);
357 major = gssEapRadiusAddAvp(minor, vps,
358 PW_GSS_ACCEPTOR_SERVICE_SPECIFIC,
362 if (GSS_ERROR(major)) {
363 krb5_free_unparsed_name(krbContext, ssi);
366 krb5_free_unparsed_name(krbContext, ssi);
369 krbPrincRealmToGssBuffer(krbPrinc, &nameBuf);
370 if (nameBuf.length != 0) {
371 /* Acceptor-Realm-Name */
372 major = gssEapRadiusAddAvp(minor, vps,
373 PW_GSS_ACCEPTOR_REALM_NAME,
376 if (GSS_ERROR(major))
381 return GSS_S_COMPLETE;
385 * Allocate a RadSec handle
388 createRadiusHandle(OM_uint32 *minor,
392 struct gss_eap_acceptor_ctx *actx = &ctx->acceptorCtx;
393 const char *configFile = RS_CONFIG_FILE;
394 const char *configStanza = "gss-eap";
395 struct rs_alloc_scheme ralloc;
396 struct rs_error *err;
398 assert(actx->radContext == NULL);
399 assert(actx->radConn == NULL);
401 if (rs_context_create(&actx->radContext, RS_DICT_FILE) != 0) {
402 *minor = GSSEAP_RADSEC_CONTEXT_FAILURE;
403 return GSS_S_FAILURE;
406 if (cred->radiusConfigFile != NULL)
407 configFile = cred->radiusConfigFile;
408 if (cred->radiusConfigStanza != NULL)
409 configStanza = cred->radiusConfigStanza;
411 ralloc.calloc = GSSEAP_CALLOC;
412 ralloc.malloc = GSSEAP_MALLOC;
413 ralloc.free = GSSEAP_FREE;
414 ralloc.realloc = GSSEAP_REALLOC;
416 rs_context_set_alloc_scheme(actx->radContext, &ralloc);
418 if (rs_context_read_config(actx->radContext, configFile) != 0) {
419 err = rs_err_ctx_pop(actx->radContext);
423 if (rs_conn_create(actx->radContext, &actx->radConn, configStanza) != 0) {
424 err = rs_err_conn_pop(actx->radConn);
428 if (actx->radServer != NULL) {
429 if (rs_conn_select_peer(actx->radConn, actx->radServer) != 0) {
430 err = rs_err_conn_pop(actx->radConn);
436 return GSS_S_COMPLETE;
439 return gssEapRadiusMapError(minor, err);
443 * Process a EAP response from the initiator.
446 eapGssSmAcceptAuthenticate(OM_uint32 *minor,
449 gss_name_t target __attribute__((__unused__)),
450 gss_OID mech __attribute__((__unused__)),
451 OM_uint32 reqFlags __attribute__((__unused__)),
452 OM_uint32 timeReq __attribute__((__unused__)),
453 gss_channel_bindings_t chanBindings,
454 gss_buffer_t inputToken,
455 gss_buffer_t outputToken,
458 OM_uint32 major, tmpMinor;
459 struct rs_connection *rconn;
460 struct rs_request *request = NULL;
461 struct rs_packet *req = NULL, *resp = NULL;
462 struct radius_packet *frreq, *frresp;
464 if (ctx->acceptorCtx.radContext == NULL) {
465 /* May be NULL from an imported partial context */
466 major = createRadiusHandle(minor, cred, ctx);
467 if (GSS_ERROR(major))
471 if (isIdentityResponseP(inputToken)) {
472 major = importInitiatorIdentity(minor, ctx, inputToken);
473 if (GSS_ERROR(major))
477 rconn = ctx->acceptorCtx.radConn;
479 if (rs_packet_create_authn_request(rconn, &req, NULL, NULL) != 0) {
480 major = gssEapRadiusMapError(minor, rs_err_conn_pop(rconn));
483 frreq = rs_packet_frpkt(req);
485 major = setInitiatorIdentity(minor, ctx, &frreq->vps);
486 if (GSS_ERROR(major))
489 major = setAcceptorIdentity(minor, ctx, &frreq->vps);
490 if (GSS_ERROR(major))
493 major = gssEapRadiusAddAvp(minor, &frreq->vps,
494 PW_EAP_MESSAGE, 0, inputToken);
495 if (GSS_ERROR(major))
498 if (ctx->acceptorCtx.state.length != 0) {
499 major = gssEapRadiusAddAvp(minor, &frreq->vps, PW_STATE, 0,
500 &ctx->acceptorCtx.state);
501 if (GSS_ERROR(major))
504 gss_release_buffer(&tmpMinor, &ctx->acceptorCtx.state);
507 if (rs_request_create(rconn, &request) != 0) {
508 major = gssEapRadiusMapError(minor, rs_err_conn_pop(rconn));
512 rs_request_add_reqpkt(request, req);
515 if (rs_request_send(request, &resp) != 0) {
516 major = gssEapRadiusMapError(minor, rs_err_conn_pop(rconn));
520 assert(resp != NULL);
522 frresp = rs_packet_frpkt(resp);
523 switch (frresp->code) {
524 case PW_AUTHENTICATION_ACK:
525 case PW_ACCESS_CHALLENGE:
527 case PW_AUTHENTICATION_REJECT:
528 *minor = GSSEAP_RADIUS_AUTH_FAILURE;
529 major = GSS_S_DEFECTIVE_CREDENTIAL;
533 *minor = GSSEAP_UNKNOWN_RADIUS_CODE;
534 major = GSS_S_FAILURE;
539 major = gssEapRadiusGetAvp(minor, frresp->vps, PW_EAP_MESSAGE, 0,
541 if (major == GSS_S_UNAVAILABLE && frresp->code == PW_ACCESS_CHALLENGE) {
542 *minor = GSSEAP_MISSING_EAP_REQUEST;
543 major = GSS_S_DEFECTIVE_TOKEN;
545 } else if (GSS_ERROR(major))
548 if (frresp->code == PW_ACCESS_CHALLENGE) {
549 major = gssEapRadiusGetAvp(minor, frresp->vps, PW_STATE, 0,
550 &ctx->acceptorCtx.state, TRUE);
551 if (GSS_ERROR(major) && *minor != GSSEAP_NO_SUCH_ATTR)
554 ctx->acceptorCtx.vps = frresp->vps;
557 rs_conn_destroy(ctx->acceptorCtx.radConn);
558 ctx->acceptorCtx.radConn = NULL;
560 major = acceptReadyEap(minor, ctx, cred);
561 if (GSS_ERROR(major))
564 GSSEAP_SM_TRANSITION_NEXT(ctx);
567 major = GSS_S_CONTINUE_NEEDED;
572 rs_request_destroy(request);
574 rs_packet_destroy(req);
580 eapGssSmAcceptGssChannelBindings(OM_uint32 *minor,
583 gss_name_t target __attribute__((__unused__)),
584 gss_OID mech __attribute__((__unused__)),
585 OM_uint32 reqFlags __attribute__((__unused__)),
586 OM_uint32 timeReq __attribute__((__unused__)),
587 gss_channel_bindings_t chanBindings,
588 gss_buffer_t inputToken,
589 gss_buffer_t outputToken,
592 OM_uint32 major, tmpMinor;
593 gss_iov_buffer_desc iov[2];
595 iov[0].type = GSS_IOV_BUFFER_TYPE_DATA | GSS_IOV_BUFFER_FLAG_ALLOCATE;
596 iov[0].buffer.length = 0;
597 iov[0].buffer.value = NULL;
599 iov[1].type = GSS_IOV_BUFFER_TYPE_STREAM;
600 iov[1].buffer = *inputToken;
602 major = gssEapUnwrapOrVerifyMIC(minor, ctx, NULL, NULL,
603 iov, 2, TOK_TYPE_WRAP);
604 if (GSS_ERROR(major))
605 return GSS_S_BAD_BINDINGS;
607 if (chanBindings != GSS_C_NO_CHANNEL_BINDINGS &&
608 !bufferEqual(&iov[0].buffer, &chanBindings->application_data)) {
609 major = GSS_S_BAD_BINDINGS;
610 *minor = GSSEAP_BINDINGS_MISMATCH;
612 major = GSS_S_CONTINUE_NEEDED;
616 gss_release_buffer(&tmpMinor, &iov[0].buffer);
621 #ifdef GSSEAP_ENABLE_REAUTH
623 eapGssSmAcceptReauthCreds(OM_uint32 *minor,
626 gss_name_t target __attribute__((__unused__)),
627 gss_OID mech __attribute__((__unused__)),
628 OM_uint32 reqFlags __attribute__((__unused__)),
629 OM_uint32 timeReq __attribute__((__unused__)),
630 gss_channel_bindings_t chanBindings __attribute__((__unused__)),
631 gss_buffer_t inputToken,
632 gss_buffer_t outputToken,
638 * If we're built with fast reauthentication enabled, then
639 * fabricate a ticket from the initiator to ourselves.
641 major = gssEapMakeReauthCreds(minor, ctx, cred, outputToken);
642 if (major == GSS_S_UNAVAILABLE)
643 major = GSS_S_COMPLETE;
644 if (major == GSS_S_COMPLETE)
645 major = GSS_S_CONTINUE_NEEDED;
652 eapGssSmAcceptCompleteInitiatorExts(OM_uint32 *minor,
659 gss_channel_bindings_t chanBindings,
660 gss_buffer_t inputToken,
661 gss_buffer_t outputToken,
664 GSSEAP_SM_TRANSITION_NEXT(ctx);
668 return GSS_S_CONTINUE_NEEDED;
672 eapGssSmAcceptCompleteAcceptorExts(OM_uint32 *minor,
679 gss_channel_bindings_t chanBindings,
680 gss_buffer_t inputToken,
681 gss_buffer_t outputToken,
684 GSSEAP_SM_TRANSITION(ctx, GSSEAP_STATE_ESTABLISHED);
687 *smFlags |= SM_FLAG_FORCE_SEND_TOKEN;
689 return GSS_S_COMPLETE;
692 static struct gss_eap_sm eapGssAcceptorSm[] = {
695 ITOK_TYPE_VENDOR_INFO,
697 GSSEAP_STATE_INITIAL,
699 eapGssSmAcceptVendorInfo,
702 #ifdef GSSEAP_ENABLE_REAUTH
704 ITOK_TYPE_REAUTH_REQ,
705 ITOK_TYPE_REAUTH_RESP,
706 GSSEAP_STATE_INITIAL,
708 eapGssSmAcceptGssReauth,
714 GSSEAP_STATE_INITIAL,
715 SM_ITOK_FLAG_CRITICAL | SM_ITOK_FLAG_REQUIRED,
716 eapGssSmAcceptIdentity,
721 GSSEAP_STATE_AUTHENTICATE,
722 SM_ITOK_FLAG_CRITICAL | SM_ITOK_FLAG_REQUIRED,
723 eapGssSmAcceptAuthenticate
726 ITOK_TYPE_GSS_CHANNEL_BINDINGS,
728 GSSEAP_STATE_INITIATOR_EXTS,
729 SM_ITOK_FLAG_CRITICAL | SM_ITOK_FLAG_REQUIRED,
730 eapGssSmAcceptGssChannelBindings,
735 GSSEAP_STATE_INITIATOR_EXTS,
737 eapGssSmAcceptCompleteInitiatorExts,
739 #ifdef GSSEAP_ENABLE_REAUTH
742 ITOK_TYPE_REAUTH_CREDS,
743 GSSEAP_STATE_ACCEPTOR_EXTS,
745 eapGssSmAcceptReauthCreds,
751 GSSEAP_STATE_ACCEPTOR_EXTS,
753 eapGssSmAcceptCompleteAcceptorExts
758 gss_accept_sec_context(OM_uint32 *minor,
759 gss_ctx_id_t *context_handle,
761 gss_buffer_t input_token,
762 gss_channel_bindings_t input_chan_bindings,
763 gss_name_t *src_name,
765 gss_buffer_t output_token,
766 OM_uint32 *ret_flags,
768 gss_cred_id_t *delegated_cred_handle)
770 OM_uint32 major, tmpMinor;
771 gss_ctx_id_t ctx = *context_handle;
775 output_token->length = 0;
776 output_token->value = NULL;
778 if (src_name != NULL)
779 *src_name = GSS_C_NO_NAME;
781 if (input_token == GSS_C_NO_BUFFER || input_token->length == 0) {
782 *minor = GSSEAP_TOK_TRUNC;
783 return GSS_S_DEFECTIVE_TOKEN;
786 if (ctx == GSS_C_NO_CONTEXT) {
787 major = gssEapAllocContext(minor, &ctx);
788 if (GSS_ERROR(major))
791 *context_handle = ctx;
794 GSSEAP_MUTEX_LOCK(&ctx->mutex);
796 if (cred == GSS_C_NO_CREDENTIAL) {
797 if (ctx->defaultCred == GSS_C_NO_CREDENTIAL) {
798 major = gssEapAcquireCred(minor,
807 if (GSS_ERROR(major))
811 cred = ctx->defaultCred;
814 GSSEAP_MUTEX_LOCK(&cred->mutex);
816 major = gssEapSmStep(minor,
827 sizeof(eapGssAcceptorSm) / sizeof(eapGssAcceptorSm[0]));
828 if (GSS_ERROR(major))
831 if (mech_type != NULL) {
832 if (!gssEapInternalizeOid(ctx->mechanismUsed, mech_type))
833 duplicateOid(&tmpMinor, ctx->mechanismUsed, mech_type);
835 if (ret_flags != NULL)
836 *ret_flags = ctx->gssFlags;
837 if (delegated_cred_handle != NULL)
838 *delegated_cred_handle = GSS_C_NO_CREDENTIAL;
840 if (major == GSS_S_COMPLETE) {
841 if (src_name != NULL && ctx->initiatorName != GSS_C_NO_NAME) {
842 major = gssEapDuplicateName(&tmpMinor, ctx->initiatorName, src_name);
843 if (GSS_ERROR(major))
846 if (time_rec != NULL) {
847 major = gssEapContextTime(&tmpMinor, ctx, time_rec);
848 if (GSS_ERROR(major))
853 assert(ctx->state == GSSEAP_STATE_ESTABLISHED || major == GSS_S_CONTINUE_NEEDED);
856 if (cred != GSS_C_NO_CREDENTIAL)
857 GSSEAP_MUTEX_UNLOCK(&cred->mutex);
858 GSSEAP_MUTEX_UNLOCK(&ctx->mutex);
860 if (GSS_ERROR(major))
861 gssEapReleaseContext(&tmpMinor, context_handle);
866 #ifdef GSSEAP_ENABLE_REAUTH
868 acceptReadyKrb(OM_uint32 *minor,
871 const gss_name_t initiator,
877 major = gssEapGlueToMechName(minor, ctx, initiator, &ctx->initiatorName);
878 if (GSS_ERROR(major))
881 if (cred->name != GSS_C_NO_NAME) {
882 major = gssEapDuplicateName(minor, cred->name, &ctx->acceptorName);
883 if (GSS_ERROR(major))
887 major = gssEapReauthComplete(minor, ctx, cred, mech, timeRec);
888 if (GSS_ERROR(major))
892 return GSS_S_COMPLETE;
896 eapGssSmAcceptGssReauth(OM_uint32 *minor,
899 gss_name_t target __attribute__((__unused__)),
901 OM_uint32 reqFlags __attribute__((__unused__)),
902 OM_uint32 timeReq __attribute__((__unused__)),
903 gss_channel_bindings_t chanBindings,
904 gss_buffer_t inputToken,
905 gss_buffer_t outputToken,
908 OM_uint32 major, tmpMinor;
909 gss_name_t krbInitiator = GSS_C_NO_NAME;
910 OM_uint32 gssFlags, timeRec = GSS_C_INDEFINITE;
913 * If we're built with fast reauthentication support, it's valid
914 * for an initiator to send a GSS reauthentication token as its
915 * initial context token, causing us to short-circuit the state
916 * machine and process Kerberos GSS messages instead.
919 ctx->flags |= CTX_FLAG_KRB_REAUTH;
921 major = gssAcceptSecContext(minor,
932 if (major == GSS_S_COMPLETE) {
933 major = acceptReadyKrb(minor, ctx, cred,
934 krbInitiator, mech, timeRec);
935 if (major == GSS_S_COMPLETE) {
936 GSSEAP_SM_TRANSITION(ctx, GSSEAP_STATE_ESTABLISHED);
940 ctx->gssFlags = gssFlags;
942 gssReleaseName(&tmpMinor, &krbInitiator);
946 #endif /* GSSEAP_ENABLE_REAUTH */