2 * Copyright (c) 2011, JANET(UK)
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29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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,
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,
90 major = gssEapRadiusGetRawAvp(minor, ctx->acceptorCtx.vps,
91 PW_MS_MPPE_SEND_KEY, VENDORPEC_MS, &vp);
92 if (GSS_ERROR(major)) {
93 *minor = GSSEAP_KEY_UNAVAILABLE;
94 return GSS_S_UNAVAILABLE;
97 major = gssEapDeriveRfc3961Key(minor,
102 if (GSS_ERROR(major))
105 major = rfc3961ChecksumTypeForKey(minor, &ctx->rfc3961Key,
107 if (GSS_ERROR(major))
110 major = sequenceInit(minor,
111 &ctx->seqState, ctx->recvSeq,
112 ((ctx->gssFlags & GSS_C_REPLAY_FLAG) != 0),
113 ((ctx->gssFlags & GSS_C_SEQUENCE_FLAG) != 0),
115 if (GSS_ERROR(major))
118 major = gssEapCreateAttrContext(minor, cred, ctx,
119 &ctx->initiatorName->attrCtx,
121 if (GSS_ERROR(major))
125 return GSS_S_COMPLETE;
129 eapGssSmAcceptAcceptorName(OM_uint32 *minor,
130 gss_cred_id_t cred GSSEAP_UNUSED,
132 gss_name_t target GSSEAP_UNUSED,
133 gss_OID mech GSSEAP_UNUSED,
134 OM_uint32 reqFlags GSSEAP_UNUSED,
135 OM_uint32 timeReq GSSEAP_UNUSED,
136 gss_channel_bindings_t chanBindings GSSEAP_UNUSED,
137 gss_buffer_t inputToken GSSEAP_UNUSED,
138 gss_buffer_t outputToken,
139 OM_uint32 *smFlags GSSEAP_UNUSED)
143 /* XXX TODO import and validate name from inputToken */
145 if (ctx->acceptorName != GSS_C_NO_NAME) {
146 /* Send desired target name to acceptor */
147 major = gssEapDisplayName(minor, ctx->acceptorName,
149 if (GSS_ERROR(major))
153 return GSS_S_CONTINUE_NEEDED;
158 eapGssSmAcceptVendorInfo(OM_uint32 *minor,
159 gss_cred_id_t cred GSSEAP_UNUSED,
160 gss_ctx_id_t ctx GSSEAP_UNUSED,
161 gss_name_t target GSSEAP_UNUSED,
162 gss_OID mech GSSEAP_UNUSED,
163 OM_uint32 reqFlags GSSEAP_UNUSED,
164 OM_uint32 timeReq GSSEAP_UNUSED,
165 gss_channel_bindings_t chanBindings GSSEAP_UNUSED,
166 gss_buffer_t inputToken,
167 gss_buffer_t outputToken GSSEAP_UNUSED,
168 OM_uint32 *smFlags GSSEAP_UNUSED)
170 fprintf(stderr, "GSS-EAP: vendor: %.*s\n",
171 (int)inputToken->length, (char *)inputToken->value);
174 return GSS_S_CONTINUE_NEEDED;
180 * Emit a identity EAP request to force the initiator (peer) to identify
184 eapGssSmAcceptIdentity(OM_uint32 *minor,
187 gss_name_t target GSSEAP_UNUSED,
188 gss_OID mech GSSEAP_UNUSED,
189 OM_uint32 reqFlags GSSEAP_UNUSED,
190 OM_uint32 timeReq GSSEAP_UNUSED,
191 gss_channel_bindings_t chanBindings GSSEAP_UNUSED,
192 gss_buffer_t inputToken,
193 gss_buffer_t outputToken,
197 struct wpabuf *reqData;
198 gss_buffer_desc pktBuffer;
200 if (!gssEapCredAvailable(cred, ctx->mechanismUsed)) {
201 *minor = GSSEAP_CRED_MECH_MISMATCH;
202 return GSS_S_BAD_MECH;
205 if (inputToken != GSS_C_NO_BUFFER && inputToken->length != 0) {
206 *minor = GSSEAP_WRONG_SIZE;
207 return GSS_S_DEFECTIVE_TOKEN;
210 reqData = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_IDENTITY, 0,
211 EAP_CODE_REQUEST, 0);
212 if (reqData == NULL) {
214 return GSS_S_FAILURE;
217 pktBuffer.length = wpabuf_len(reqData);
218 pktBuffer.value = (void *)wpabuf_head(reqData);
220 major = duplicateBuffer(minor, &pktBuffer, outputToken);
221 if (GSS_ERROR(major))
224 wpabuf_free(reqData);
226 GSSEAP_SM_TRANSITION_NEXT(ctx);
229 *smFlags |= SM_FLAG_OUTPUT_TOKEN_CRITICAL;
231 return GSS_S_CONTINUE_NEEDED;
235 * Returns TRUE if the input token contains an EAP identity response.
238 isIdentityResponseP(gss_buffer_t inputToken)
240 struct wpabuf respData;
242 wpabuf_set(&respData, inputToken->value, inputToken->length);
244 return (eap_get_type(&respData) == EAP_TYPE_IDENTITY);
248 * Save the asserted initiator identity from the EAP identity response.
251 importInitiatorIdentity(OM_uint32 *minor,
253 gss_buffer_t inputToken)
256 struct wpabuf respData;
257 const unsigned char *pos;
259 gss_buffer_desc nameBuf;
261 wpabuf_set(&respData, inputToken->value, inputToken->length);
263 pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_IDENTITY,
266 *minor = GSSEAP_PEER_BAD_MESSAGE;
267 return GSS_S_DEFECTIVE_TOKEN;
270 nameBuf.value = (void *)pos;
271 nameBuf.length = len;
273 gssEapReleaseName(&tmpMinor, &ctx->initiatorName);
275 return gssEapImportName(minor, &nameBuf, GSS_C_NT_USER_NAME,
276 ctx->mechanismUsed, &ctx->initiatorName);
280 * Pass the asserted initiator identity to the authentication server.
283 setInitiatorIdentity(OM_uint32 *minor,
287 OM_uint32 major, tmpMinor;
288 gss_buffer_desc nameBuf;
291 * We should have got an EAP identity response, but if we didn't, then
292 * we will just avoid sending User-Name. Note that radsecproxy requires
293 * User-Name to be sent on every request (presumably so it can remain
296 if (ctx->initiatorName != GSS_C_NO_NAME) {
297 major = gssEapDisplayName(minor, ctx->initiatorName, &nameBuf, NULL);
298 if (GSS_ERROR(major))
301 major = gssEapRadiusAddAvp(minor, vps, PW_USER_NAME, 0, &nameBuf);
302 if (GSS_ERROR(major))
305 gss_release_buffer(&tmpMinor, &nameBuf);
309 return GSS_S_COMPLETE;
313 * Pass the asserted acceptor identity to the authentication server.
316 setAcceptorIdentity(OM_uint32 *minor,
321 gss_buffer_desc nameBuf;
322 krb5_context krbContext = NULL;
323 krb5_principal krbPrinc;
324 struct rs_context *rc = ctx->acceptorCtx.radContext;
328 if (ctx->acceptorName == GSS_C_NO_NAME) {
330 return GSS_S_COMPLETE;
333 if ((ctx->acceptorName->flags & NAME_FLAG_SERVICE) == 0) {
334 *minor = GSSEAP_BAD_SERVICE_NAME;
335 return GSS_S_BAD_NAME;
338 GSSEAP_KRB_INIT(&krbContext);
340 krbPrinc = ctx->acceptorName->krbPrincipal;
341 assert(krbPrinc != NULL);
342 assert(KRB_PRINC_LENGTH(krbPrinc) >= 2);
344 /* Acceptor-Service-Name */
345 krbPrincComponentToGssBuffer(krbPrinc, 0, &nameBuf);
347 major = gssEapRadiusAddAvp(minor, vps,
348 PW_GSS_ACCEPTOR_SERVICE_NAME,
351 if (GSS_ERROR(major))
354 /* Acceptor-Host-Name */
355 krbPrincComponentToGssBuffer(krbPrinc, 1, &nameBuf);
357 major = gssEapRadiusAddAvp(minor, vps,
358 PW_GSS_ACCEPTOR_HOST_NAME,
361 if (GSS_ERROR(major))
364 if (KRB_PRINC_LENGTH(krbPrinc) > 2) {
365 /* Acceptor-Service-Specific */
366 krb5_principal_data ssiPrinc = *krbPrinc;
369 KRB_PRINC_LENGTH(&ssiPrinc) -= 2;
370 KRB_PRINC_NAME(&ssiPrinc) += 2;
372 *minor = krb5_unparse_name_flags(krbContext, &ssiPrinc,
373 KRB5_PRINCIPAL_UNPARSE_NO_REALM, &ssi);
375 return GSS_S_FAILURE;
378 nameBuf.length = strlen(ssi);
380 major = gssEapRadiusAddAvp(minor, vps,
381 PW_GSS_ACCEPTOR_SERVICE_SPECIFIC,
385 if (GSS_ERROR(major)) {
386 krb5_free_unparsed_name(krbContext, ssi);
389 krb5_free_unparsed_name(krbContext, ssi);
392 krbPrincRealmToGssBuffer(krbPrinc, &nameBuf);
393 if (nameBuf.length != 0) {
394 /* Acceptor-Realm-Name */
395 major = gssEapRadiusAddAvp(minor, vps,
396 PW_GSS_ACCEPTOR_REALM_NAME,
399 if (GSS_ERROR(major))
404 return GSS_S_COMPLETE;
408 * Allocate a RadSec handle
411 createRadiusHandle(OM_uint32 *minor,
415 struct gss_eap_acceptor_ctx *actx = &ctx->acceptorCtx;
416 const char *configFile = RS_CONFIG_FILE;
417 const char *configStanza = "gss-eap";
418 struct rs_alloc_scheme ralloc;
419 struct rs_error *err;
421 assert(actx->radContext == NULL);
422 assert(actx->radConn == NULL);
424 if (rs_context_create(&actx->radContext, RS_DICT_FILE) != 0) {
425 *minor = GSSEAP_RADSEC_CONTEXT_FAILURE;
426 return GSS_S_FAILURE;
429 if (cred->radiusConfigFile != NULL)
430 configFile = cred->radiusConfigFile;
431 if (cred->radiusConfigStanza != NULL)
432 configStanza = cred->radiusConfigStanza;
434 ralloc.calloc = GSSEAP_CALLOC;
435 ralloc.malloc = GSSEAP_MALLOC;
436 ralloc.free = GSSEAP_FREE;
437 ralloc.realloc = GSSEAP_REALLOC;
439 rs_context_set_alloc_scheme(actx->radContext, &ralloc);
441 if (rs_context_read_config(actx->radContext, configFile) != 0) {
442 err = rs_err_ctx_pop(actx->radContext);
446 if (rs_conn_create(actx->radContext, &actx->radConn, configStanza) != 0) {
447 err = rs_err_conn_pop(actx->radConn);
451 if (actx->radServer != NULL) {
452 if (rs_conn_select_peer(actx->radConn, actx->radServer) != 0) {
453 err = rs_err_conn_pop(actx->radConn);
459 return GSS_S_COMPLETE;
462 return gssEapRadiusMapError(minor, err);
466 * Process a EAP response from the initiator.
469 eapGssSmAcceptAuthenticate(OM_uint32 *minor,
472 gss_name_t target GSSEAP_UNUSED,
473 gss_OID mech GSSEAP_UNUSED,
474 OM_uint32 reqFlags GSSEAP_UNUSED,
475 OM_uint32 timeReq GSSEAP_UNUSED,
476 gss_channel_bindings_t chanBindings GSSEAP_UNUSED,
477 gss_buffer_t inputToken,
478 gss_buffer_t outputToken,
481 OM_uint32 major, tmpMinor;
482 struct rs_connection *rconn;
483 struct rs_request *request = NULL;
484 struct rs_packet *req = NULL, *resp = NULL;
485 struct radius_packet *frreq, *frresp;
487 if (ctx->acceptorCtx.radContext == NULL) {
488 /* May be NULL from an imported partial context */
489 major = createRadiusHandle(minor, cred, ctx);
490 if (GSS_ERROR(major))
494 if (isIdentityResponseP(inputToken)) {
495 major = importInitiatorIdentity(minor, ctx, inputToken);
496 if (GSS_ERROR(major))
500 rconn = ctx->acceptorCtx.radConn;
502 if (rs_packet_create_authn_request(rconn, &req, NULL, NULL) != 0) {
503 major = gssEapRadiusMapError(minor, rs_err_conn_pop(rconn));
506 frreq = rs_packet_frpkt(req);
508 major = setInitiatorIdentity(minor, ctx, &frreq->vps);
509 if (GSS_ERROR(major))
512 major = setAcceptorIdentity(minor, ctx, &frreq->vps);
513 if (GSS_ERROR(major))
516 major = gssEapRadiusAddAvp(minor, &frreq->vps,
517 PW_EAP_MESSAGE, 0, inputToken);
518 if (GSS_ERROR(major))
521 if (ctx->acceptorCtx.state.length != 0) {
522 major = gssEapRadiusAddAvp(minor, &frreq->vps, PW_STATE, 0,
523 &ctx->acceptorCtx.state);
524 if (GSS_ERROR(major))
527 gss_release_buffer(&tmpMinor, &ctx->acceptorCtx.state);
530 if (rs_request_create(rconn, &request) != 0) {
531 major = gssEapRadiusMapError(minor, rs_err_conn_pop(rconn));
535 rs_request_add_reqpkt(request, req);
538 if (rs_request_send(request, &resp) != 0) {
539 major = gssEapRadiusMapError(minor, rs_err_conn_pop(rconn));
543 assert(resp != NULL);
545 frresp = rs_packet_frpkt(resp);
546 switch (frresp->code) {
547 case PW_ACCESS_CHALLENGE:
548 case PW_AUTHENTICATION_ACK:
550 case PW_AUTHENTICATION_REJECT:
551 *minor = GSSEAP_RADIUS_AUTH_FAILURE;
552 major = GSS_S_DEFECTIVE_CREDENTIAL;
556 *minor = GSSEAP_UNKNOWN_RADIUS_CODE;
557 major = GSS_S_FAILURE;
562 major = gssEapRadiusGetAvp(minor, frresp->vps, PW_EAP_MESSAGE, 0,
564 if (major == GSS_S_UNAVAILABLE && frresp->code == PW_ACCESS_CHALLENGE) {
565 *minor = GSSEAP_MISSING_EAP_REQUEST;
566 major = GSS_S_DEFECTIVE_TOKEN;
568 } else if (GSS_ERROR(major))
571 if (frresp->code == PW_ACCESS_CHALLENGE) {
572 major = gssEapRadiusGetAvp(minor, frresp->vps, PW_STATE, 0,
573 &ctx->acceptorCtx.state, TRUE);
574 if (GSS_ERROR(major) && *minor != GSSEAP_NO_SUCH_ATTR)
577 ctx->acceptorCtx.vps = frresp->vps;
580 major = acceptReadyEap(minor, ctx, cred);
581 if (GSS_ERROR(major))
584 GSSEAP_SM_TRANSITION_NEXT(ctx);
587 major = GSS_S_CONTINUE_NEEDED;
589 *smFlags |= SM_FLAG_OUTPUT_TOKEN_CRITICAL;
593 rs_request_destroy(request);
595 rs_packet_destroy(req);
597 rs_packet_destroy(resp);
598 if (GSSEAP_SM_STATE(ctx) == GSSEAP_STATE_INITIATOR_EXTS) {
599 assert(major == GSS_S_CONTINUE_NEEDED);
601 rs_conn_destroy(ctx->acceptorCtx.radConn);
602 ctx->acceptorCtx.radConn = NULL;
609 eapGssSmAcceptGssChannelBindings(OM_uint32 *minor,
610 gss_cred_id_t cred GSSEAP_UNUSED,
612 gss_name_t target GSSEAP_UNUSED,
613 gss_OID mech GSSEAP_UNUSED,
614 OM_uint32 reqFlags GSSEAP_UNUSED,
615 OM_uint32 timeReq GSSEAP_UNUSED,
616 gss_channel_bindings_t chanBindings,
617 gss_buffer_t inputToken,
618 gss_buffer_t outputToken GSSEAP_UNUSED,
619 OM_uint32 *smFlags GSSEAP_UNUSED)
621 OM_uint32 major, tmpMinor;
622 gss_iov_buffer_desc iov[2];
624 iov[0].type = GSS_IOV_BUFFER_TYPE_DATA | GSS_IOV_BUFFER_FLAG_ALLOCATE;
625 iov[0].buffer.length = 0;
626 iov[0].buffer.value = NULL;
628 iov[1].type = GSS_IOV_BUFFER_TYPE_STREAM;
629 iov[1].buffer = *inputToken;
631 major = gssEapUnwrapOrVerifyMIC(minor, ctx, NULL, NULL,
632 iov, 2, TOK_TYPE_WRAP);
633 if (GSS_ERROR(major))
636 if (chanBindings != GSS_C_NO_CHANNEL_BINDINGS &&
637 !bufferEqual(&iov[0].buffer, &chanBindings->application_data)) {
638 major = GSS_S_BAD_BINDINGS;
639 *minor = GSSEAP_BINDINGS_MISMATCH;
641 major = GSS_S_CONTINUE_NEEDED;
645 gss_release_buffer(&tmpMinor, &iov[0].buffer);
650 #ifdef GSSEAP_ENABLE_REAUTH
652 eapGssSmAcceptReauthCreds(OM_uint32 *minor,
655 gss_name_t target GSSEAP_UNUSED,
656 gss_OID mech GSSEAP_UNUSED,
657 OM_uint32 reqFlags GSSEAP_UNUSED,
658 OM_uint32 timeReq GSSEAP_UNUSED,
659 gss_channel_bindings_t chanBindings GSSEAP_UNUSED,
660 gss_buffer_t inputToken GSSEAP_UNUSED,
661 gss_buffer_t outputToken,
662 OM_uint32 *smFlags GSSEAP_UNUSED)
667 * If we're built with fast reauthentication enabled, then
668 * fabricate a ticket from the initiator to ourselves.
670 major = gssEapMakeReauthCreds(minor, ctx, cred, outputToken);
671 if (major == GSS_S_UNAVAILABLE)
672 major = GSS_S_COMPLETE;
673 if (major == GSS_S_COMPLETE)
674 major = GSS_S_CONTINUE_NEEDED;
681 eapGssSmAcceptCompleteInitiatorExts(OM_uint32 *minor,
682 gss_cred_id_t cred GSSEAP_UNUSED,
684 gss_name_t target GSSEAP_UNUSED,
685 gss_OID mech GSSEAP_UNUSED,
686 OM_uint32 reqFlags GSSEAP_UNUSED,
687 OM_uint32 timeReq GSSEAP_UNUSED,
688 gss_channel_bindings_t chanBindings GSSEAP_UNUSED,
689 gss_buffer_t inputToken GSSEAP_UNUSED,
690 gss_buffer_t outputToken GSSEAP_UNUSED,
691 OM_uint32 *smFlags GSSEAP_UNUSED)
693 GSSEAP_SM_TRANSITION_NEXT(ctx);
697 return GSS_S_CONTINUE_NEEDED;
701 eapGssSmAcceptCompleteAcceptorExts(OM_uint32 *minor,
702 gss_cred_id_t cred GSSEAP_UNUSED,
704 gss_name_t target GSSEAP_UNUSED,
705 gss_OID mech GSSEAP_UNUSED,
706 OM_uint32 reqFlags GSSEAP_UNUSED,
707 OM_uint32 timeReq GSSEAP_UNUSED,
708 gss_channel_bindings_t chanBindings GSSEAP_UNUSED,
709 gss_buffer_t inputToken GSSEAP_UNUSED,
710 gss_buffer_t outputToken GSSEAP_UNUSED,
713 GSSEAP_SM_TRANSITION(ctx, GSSEAP_STATE_ESTABLISHED);
716 *smFlags |= SM_FLAG_FORCE_SEND_TOKEN;
718 return GSS_S_COMPLETE;
721 static struct gss_eap_sm eapGssAcceptorSm[] = {
723 ITOK_TYPE_ACCEPTOR_NAME_REQ,
724 ITOK_TYPE_ACCEPTOR_NAME_RESP,
725 GSSEAP_STATE_INITIAL,
727 eapGssSmAcceptAcceptorName
731 ITOK_TYPE_VENDOR_INFO,
733 GSSEAP_STATE_INITIAL,
735 eapGssSmAcceptVendorInfo,
738 #ifdef GSSEAP_ENABLE_REAUTH
740 ITOK_TYPE_REAUTH_REQ,
741 ITOK_TYPE_REAUTH_RESP,
742 GSSEAP_STATE_INITIAL,
744 eapGssSmAcceptGssReauth,
750 GSSEAP_STATE_INITIAL,
751 SM_ITOK_FLAG_REQUIRED,
752 eapGssSmAcceptIdentity,
757 GSSEAP_STATE_AUTHENTICATE,
758 SM_ITOK_FLAG_REQUIRED,
759 eapGssSmAcceptAuthenticate
762 ITOK_TYPE_GSS_CHANNEL_BINDINGS,
764 GSSEAP_STATE_INITIATOR_EXTS,
765 SM_ITOK_FLAG_REQUIRED,
766 eapGssSmAcceptGssChannelBindings,
771 GSSEAP_STATE_INITIATOR_EXTS,
773 eapGssSmAcceptCompleteInitiatorExts,
775 #ifdef GSSEAP_ENABLE_REAUTH
778 ITOK_TYPE_REAUTH_CREDS,
779 GSSEAP_STATE_ACCEPTOR_EXTS,
781 eapGssSmAcceptReauthCreds,
787 GSSEAP_STATE_ACCEPTOR_EXTS,
789 eapGssSmAcceptCompleteAcceptorExts
794 gss_accept_sec_context(OM_uint32 *minor,
795 gss_ctx_id_t *context_handle,
797 gss_buffer_t input_token,
798 gss_channel_bindings_t input_chan_bindings,
799 gss_name_t *src_name,
801 gss_buffer_t output_token,
802 OM_uint32 *ret_flags,
804 gss_cred_id_t *delegated_cred_handle)
806 OM_uint32 major, tmpMinor;
807 gss_ctx_id_t ctx = *context_handle;
811 output_token->length = 0;
812 output_token->value = NULL;
814 if (src_name != NULL)
815 *src_name = GSS_C_NO_NAME;
817 if (input_token == GSS_C_NO_BUFFER || input_token->length == 0) {
818 *minor = GSSEAP_TOK_TRUNC;
819 return GSS_S_DEFECTIVE_TOKEN;
822 if (ctx == GSS_C_NO_CONTEXT) {
823 major = gssEapAllocContext(minor, &ctx);
824 if (GSS_ERROR(major))
827 *context_handle = ctx;
830 GSSEAP_MUTEX_LOCK(&ctx->mutex);
832 if (cred == GSS_C_NO_CREDENTIAL) {
833 if (ctx->defaultCred == GSS_C_NO_CREDENTIAL) {
834 major = gssEapAcquireCred(minor,
843 if (GSS_ERROR(major))
847 cred = ctx->defaultCred;
850 GSSEAP_MUTEX_LOCK(&cred->mutex);
852 if (cred->name != GSS_C_NO_NAME) {
853 major = gssEapDuplicateName(minor, cred->name, &ctx->acceptorName);
854 if (GSS_ERROR(major))
858 major = gssEapSmStep(minor,
869 sizeof(eapGssAcceptorSm) / sizeof(eapGssAcceptorSm[0]));
870 if (GSS_ERROR(major))
873 if (mech_type != NULL) {
876 tmpMajor = gssEapCanonicalizeOid(&tmpMinor, ctx->mechanismUsed, 0, mech_type);
877 if (GSS_ERROR(tmpMajor)) {
883 if (ret_flags != NULL)
884 *ret_flags = ctx->gssFlags;
885 if (delegated_cred_handle != NULL)
886 *delegated_cred_handle = GSS_C_NO_CREDENTIAL;
888 if (major == GSS_S_COMPLETE) {
889 if (src_name != NULL && ctx->initiatorName != GSS_C_NO_NAME) {
890 major = gssEapDuplicateName(&tmpMinor, ctx->initiatorName, src_name);
891 if (GSS_ERROR(major))
894 if (time_rec != NULL) {
895 major = gssEapContextTime(&tmpMinor, ctx, time_rec);
896 if (GSS_ERROR(major))
901 assert(CTX_IS_ESTABLISHED(ctx) || major == GSS_S_CONTINUE_NEEDED);
904 if (cred != GSS_C_NO_CREDENTIAL)
905 GSSEAP_MUTEX_UNLOCK(&cred->mutex);
906 GSSEAP_MUTEX_UNLOCK(&ctx->mutex);
908 if (GSS_ERROR(major))
909 gssEapReleaseContext(&tmpMinor, context_handle);
914 #ifdef GSSEAP_ENABLE_REAUTH
916 acceptReadyKrb(OM_uint32 *minor,
919 const gss_name_t initiator,
925 major = gssEapGlueToMechName(minor, ctx, initiator, &ctx->initiatorName);
926 if (GSS_ERROR(major))
929 major = gssEapReauthComplete(minor, ctx, cred, mech, timeRec);
930 if (GSS_ERROR(major))
934 return GSS_S_COMPLETE;
938 eapGssSmAcceptGssReauth(OM_uint32 *minor,
941 gss_name_t target GSSEAP_UNUSED,
943 OM_uint32 reqFlags GSSEAP_UNUSED,
944 OM_uint32 timeReq GSSEAP_UNUSED,
945 gss_channel_bindings_t chanBindings,
946 gss_buffer_t inputToken,
947 gss_buffer_t outputToken,
950 OM_uint32 major, tmpMinor;
951 gss_name_t krbInitiator = GSS_C_NO_NAME;
952 OM_uint32 gssFlags, timeRec = GSS_C_INDEFINITE;
955 * If we're built with fast reauthentication support, it's valid
956 * for an initiator to send a GSS reauthentication token as its
957 * initial context token, causing us to short-circuit the state
958 * machine and process Kerberos GSS messages instead.
961 ctx->flags |= CTX_FLAG_KRB_REAUTH;
963 major = gssAcceptSecContext(minor,
974 if (major == GSS_S_COMPLETE) {
975 major = acceptReadyKrb(minor, ctx, cred,
976 krbInitiator, mech, timeRec);
977 if (major == GSS_S_COMPLETE) {
978 GSSEAP_SM_TRANSITION(ctx, GSSEAP_STATE_ESTABLISHED);
980 ctx->gssFlags = gssFlags;
981 } else if (GSS_ERROR(major) &&
982 (*smFlags & SM_FLAG_INPUT_TOKEN_CRITICAL) == 0) {
983 /* pretend reauthentication attempt never happened */
984 gssDeleteSecContext(&tmpMinor, &ctx->kerberosCtx, GSS_C_NO_BUFFER);
985 ctx->flags &= ~(CTX_FLAG_KRB_REAUTH);
986 GSSEAP_SM_TRANSITION(ctx, GSSEAP_STATE_INITIAL);
987 major = GSS_S_CONTINUE_NEEDED;
990 gssReleaseName(&tmpMinor, &krbInitiator);
994 #endif /* GSSEAP_ENABLE_REAUTH */