* SUCH DAMAGE.
*/
+/*
+ * Establish a security context on the acceptor (server). These functions
+ * wrap around libradsec and (thus) talk to a RADIUS server or proxy.
+ */
+
#include "gssapiP_eap.h"
+#ifdef GSSEAP_ENABLE_REAUTH
+static OM_uint32
+eapGssSmAcceptGssReauth(OM_uint32 *minor,
+ gss_ctx_id_t ctx,
+ gss_cred_id_t cred,
+ gss_buffer_t inputToken,
+ gss_channel_bindings_t chanBindings,
+ gss_buffer_t outputToken);
+#endif
+
+/*
+ * Mark an acceptor context as ready for cryptographic operations
+ */
+static OM_uint32
+acceptReadyEap(OM_uint32 *minor, gss_ctx_id_t ctx, gss_cred_id_t cred)
+{
+ OM_uint32 major, tmpMinor;
+ VALUE_PAIR *vp;
+ gss_buffer_desc nameBuf = GSS_C_EMPTY_BUFFER;
+
+ /* Cache encryption type derived from selected mechanism OID */
+ major = gssEapOidToEnctype(minor, ctx->mechanismUsed,
+ &ctx->encryptionType);
+ if (GSS_ERROR(major))
+ return major;
+
+ gssEapReleaseName(&tmpMinor, &ctx->initiatorName);
+
+ major = gssEapRadiusGetRawAvp(minor, ctx->acceptorCtx.vps,
+ PW_USER_NAME, 0, &vp);
+ if (major == GSS_S_COMPLETE) {
+ nameBuf.length = vp->length;
+ nameBuf.value = vp->vp_strvalue;
+ } else {
+ ctx->gssFlags |= GSS_C_ANON_FLAG;
+ }
+
+ major = gssEapImportName(minor, &nameBuf, GSS_C_NT_USER_NAME,
+ &ctx->initiatorName);
+ if (GSS_ERROR(major))
+ return major;
+
+ major = gssEapRadiusGetRawAvp(minor, ctx->acceptorCtx.vps,
+ PW_MS_MPPE_SEND_KEY, VENDORPEC_MS, &vp);
+ if (GSS_ERROR(major)) {
+ *minor = GSSEAP_KEY_UNAVAILABLE;
+ return GSS_S_UNAVAILABLE;
+ }
+
+ major = gssEapDeriveRfc3961Key(minor,
+ vp->vp_octets,
+ vp->length,
+ ctx->encryptionType,
+ &ctx->rfc3961Key);
+ if (GSS_ERROR(major))
+ return major;
+
+ major = rfc3961ChecksumTypeForKey(minor, &ctx->rfc3961Key,
+ &ctx->checksumType);
+ if (GSS_ERROR(major))
+ return major;
+
+ major = sequenceInit(minor,
+ &ctx->seqState, ctx->recvSeq,
+ ((ctx->gssFlags & GSS_C_REPLAY_FLAG) != 0),
+ ((ctx->gssFlags & GSS_C_SEQUENCE_FLAG) != 0),
+ TRUE);
+ if (GSS_ERROR(major))
+ return major;
+
+ major = gssEapCreateAttrContext(minor, cred, ctx,
+ &ctx->initiatorName->attrCtx,
+ &ctx->expiryTime);
+ if (GSS_ERROR(major))
+ return major;
+
+ *minor = 0;
+ return GSS_S_COMPLETE;
+}
+
+/*
+ * Emit a identity EAP request to force the initiator (peer) to identify
+ * itself.
+ */
+static OM_uint32
+eapGssSmAcceptIdentity(OM_uint32 *minor,
+ gss_ctx_id_t ctx,
+ gss_cred_id_t cred,
+ gss_buffer_t inputToken,
+ gss_channel_bindings_t chanBindings,
+ gss_buffer_t outputToken)
+{
+ OM_uint32 major;
+ union {
+ struct eap_hdr pdu;
+ unsigned char data[5];
+ } pkt;
+ gss_buffer_desc pktBuffer;
+
+ if (inputToken != GSS_C_NO_BUFFER && inputToken->length != 0) {
+ *minor = GSSEAP_WRONG_SIZE;
+ return GSS_S_DEFECTIVE_TOKEN;
+ }
+
+ assert(ctx->acceptorName == GSS_C_NO_NAME);
+
+ if (cred != GSS_C_NO_CREDENTIAL && cred->name != GSS_C_NO_NAME) {
+ major = gssEapDuplicateName(minor, cred->name, &ctx->acceptorName);
+ if (GSS_ERROR(major))
+ return major;
+ }
+
+ pkt.pdu.code = EAP_CODE_REQUEST;
+ pkt.pdu.identifier = 0;
+ pkt.pdu.length = htons(sizeof(pkt.data));
+ pkt.data[4] = EAP_TYPE_IDENTITY;
+
+ pktBuffer.length = sizeof(pkt.data);
+ pktBuffer.value = pkt.data;
+
+ major = duplicateBuffer(minor, &pktBuffer, outputToken);
+ if (GSS_ERROR(major))
+ return major;
+
+ ctx->state = GSSEAP_STATE_AUTHENTICATE;
+
+ *minor = 0;
+ return GSS_S_CONTINUE_NEEDED;
+}
+
+/*
+ * Pass the asserted acceptor identity to the authentication server.
+ */
+static OM_uint32
+setAcceptorIdentity(OM_uint32 *minor,
+ gss_ctx_id_t ctx,
+ VALUE_PAIR **vps)
+{
+ OM_uint32 major;
+ gss_buffer_desc nameBuf;
+ krb5_context krbContext = NULL;
+ krb5_principal krbPrinc;
+ struct rs_context *rc = ctx->acceptorCtx.radContext;
+
+ assert(rc != NULL);
+
+ if (ctx->acceptorName == GSS_C_NO_NAME) {
+ *minor = 0;
+ return GSS_S_COMPLETE;
+ }
+
+ if ((ctx->acceptorName->flags & NAME_FLAG_SERVICE) == 0) {
+ *minor = GSSEAP_BAD_SERVICE_NAME;
+ return GSS_S_BAD_NAME;
+ }
+
+ GSSEAP_KRB_INIT(&krbContext);
+
+ krbPrinc = ctx->acceptorName->krbPrincipal;
+ assert(krbPrinc != NULL);
+ assert(KRB_PRINC_LENGTH(krbPrinc) >= 2);
+
+ /* Acceptor-Service-Name */
+ krbPrincComponentToGssBuffer(krbPrinc, 0, &nameBuf);
+
+ major = gssEapRadiusAddAvp(minor, vps,
+ PW_GSS_ACCEPTOR_SERVICE_NAME,
+ VENDORPEC_UKERNA,
+ &nameBuf);
+ if (GSS_ERROR(major))
+ return major;
+
+ /* Acceptor-Host-Name */
+ krbPrincComponentToGssBuffer(krbPrinc, 1, &nameBuf);
+
+ major = gssEapRadiusAddAvp(minor, vps,
+ PW_GSS_ACCEPTOR_HOST_NAME,
+ VENDORPEC_UKERNA,
+ &nameBuf);
+ if (GSS_ERROR(major))
+ return major;
+
+ if (KRB_PRINC_LENGTH(krbPrinc) > 2) {
+ /* Acceptor-Service-Specific */
+ krb5_principal_data ssiPrinc = *krbPrinc;
+ char *ssi;
+
+ KRB_PRINC_LENGTH(&ssiPrinc) -= 2;
+ KRB_PRINC_NAME(&ssiPrinc) += 2;
+
+ *minor = krb5_unparse_name_flags(krbContext, &ssiPrinc,
+ KRB5_PRINCIPAL_UNPARSE_NO_REALM, &ssi);
+ if (*minor != 0)
+ return GSS_S_FAILURE;
+
+ nameBuf.value = ssi;
+ nameBuf.length = strlen(ssi);
+
+ major = gssEapRadiusAddAvp(minor, vps,
+ PW_GSS_ACCEPTOR_SERVICE_SPECIFIC,
+ VENDORPEC_UKERNA,
+ &nameBuf);
+
+ if (GSS_ERROR(major)) {
+ krb5_free_unparsed_name(krbContext, ssi);
+ return major;
+ }
+ krb5_free_unparsed_name(krbContext, ssi);
+ }
+
+ krbPrincRealmToGssBuffer(krbPrinc, &nameBuf);
+ if (nameBuf.length != 0) {
+ /* Acceptor-Realm-Name */
+ major = gssEapRadiusAddAvp(minor, vps,
+ PW_GSS_ACCEPTOR_REALM_NAME,
+ VENDORPEC_UKERNA,
+ &nameBuf);
+ if (GSS_ERROR(major))
+ return major;
+ }
+
+ *minor = 0;
+ return GSS_S_COMPLETE;
+}
+
+/*
+ * Allocate a RadSec handle
+ */
+static OM_uint32
+createRadiusHandle(OM_uint32 *minor,
+ gss_cred_id_t cred,
+ gss_ctx_id_t ctx)
+{
+ struct gss_eap_acceptor_ctx *actx = &ctx->acceptorCtx;
+ const char *configFile = RS_CONFIG_FILE;
+ const char *configStanza = "gss-eap";
+ struct rs_alloc_scheme ralloc;
+ struct rs_error *err;
+
+ assert(actx->radContext == NULL);
+ assert(actx->radConn == NULL);
+
+ if (rs_context_create(&actx->radContext, RS_DICT_FILE) != 0) {
+ *minor = GSSEAP_RADSEC_CONTEXT_FAILURE;
+ return GSS_S_FAILURE;
+ }
+
+ if (cred != GSS_C_NO_CREDENTIAL) {
+ if (cred->radiusConfigFile != NULL)
+ configFile = cred->radiusConfigFile;
+ if (cred->radiusConfigStanza != NULL)
+ configStanza = cred->radiusConfigStanza;
+ }
+
+ ralloc.calloc = GSSEAP_CALLOC;
+ ralloc.malloc = GSSEAP_MALLOC;
+ ralloc.free = GSSEAP_FREE;
+ ralloc.realloc = GSSEAP_REALLOC;
+
+ rs_context_set_alloc_scheme(actx->radContext, &ralloc);
+
+ if (rs_context_read_config(actx->radContext, configFile) != 0) {
+ err = rs_err_ctx_pop(actx->radContext);
+ goto fail;
+ }
+
+ if (rs_conn_create(actx->radContext, &actx->radConn, configStanza) != 0) {
+ err = rs_err_conn_pop(actx->radConn);
+ goto fail;
+ }
+
+ if (actx->radServer != NULL) {
+ if (rs_conn_select_server(actx->radConn, actx->radServer) != 0) {
+ err = rs_err_conn_pop(actx->radConn);
+ goto fail;
+ }
+ }
+
+ *minor = 0;
+ return GSS_S_COMPLETE;
+
+fail:
+ return gssEapRadiusMapError(minor, err);
+}
+
+/*
+ * Process a EAP response from the initiator.
+ */
+static OM_uint32
+eapGssSmAcceptAuthenticate(OM_uint32 *minor,
+ gss_ctx_id_t ctx,
+ gss_cred_id_t cred,
+ gss_buffer_t inputToken,
+ gss_channel_bindings_t chanBindings,
+ gss_buffer_t outputToken)
+{
+ OM_uint32 major, tmpMinor;
+ struct rs_connection *rconn;
+ struct rs_request *request = NULL;
+ struct rs_packet *req = NULL, *resp = NULL;
+ struct radius_packet *frreq, *frresp;
+ int sendAcceptorIdentity = 0;
+
+ if (ctx->acceptorCtx.radContext == NULL) {
+ /* May be NULL from an imported partial context */
+ major = createRadiusHandle(minor, cred, ctx);
+ if (GSS_ERROR(major))
+ goto cleanup;
+
+ sendAcceptorIdentity = 1;
+ }
+
+ rconn = ctx->acceptorCtx.radConn;
+
+ if (rs_packet_create_acc_request(rconn, &req, NULL, NULL) != 0) {
+ major = gssEapRadiusMapError(minor, rs_err_conn_pop(rconn));
+ goto cleanup;
+ }
+ frreq = rs_packet_frpkt(req);
+
+ if (sendAcceptorIdentity) {
+ major = setAcceptorIdentity(minor, ctx, &frreq->vps);
+ if (GSS_ERROR(major))
+ goto cleanup;
+ }
+
+ major = gssEapRadiusAddAvp(minor, &frreq->vps,
+ PW_EAP_MESSAGE, 0, inputToken);
+ if (GSS_ERROR(major))
+ goto cleanup;
+
+ if (ctx->acceptorCtx.state.length != 0) {
+ major = gssEapRadiusAddAvp(minor, &frreq->vps, PW_STATE, 0,
+ &ctx->acceptorCtx.state);
+ if (GSS_ERROR(major))
+ goto cleanup;
+
+ gss_release_buffer(&tmpMinor, &ctx->acceptorCtx.state);
+ }
+
+ if (rs_request_create(rconn, &request) != 0 ||
+ rs_request_send(request, req, &resp) != 0) {
+ major = gssEapRadiusMapError(minor, rs_err_conn_pop(rconn));
+ goto cleanup;
+ }
+
+ assert(resp != NULL);
+
+ frresp = rs_packet_frpkt(resp);
+ switch (frresp->code) {
+ case PW_AUTHENTICATION_ACK:
+ case PW_ACCESS_CHALLENGE:
+ major = GSS_S_CONTINUE_NEEDED;
+ break;
+ case PW_AUTHENTICATION_REJECT:
+ *minor = GSSEAP_RADIUS_AUTH_FAILURE;
+ major = GSS_S_DEFECTIVE_CREDENTIAL;
+ goto cleanup;
+ break;
+ default:
+ *minor = GSSEAP_UNKNOWN_RADIUS_CODE;
+ major = GSS_S_FAILURE;
+ goto cleanup;
+ break;
+ }
+
+ major = gssEapRadiusGetAvp(minor, frresp->vps, PW_EAP_MESSAGE, 0,
+ outputToken, TRUE);
+ if (major == GSS_S_UNAVAILABLE && frresp->code == PW_ACCESS_CHALLENGE) {
+ *minor = GSSEAP_MISSING_EAP_REQUEST;
+ major = GSS_S_DEFECTIVE_TOKEN;
+ goto cleanup;
+ } else if (GSS_ERROR(major))
+ goto cleanup;
+
+ if (frresp->code == PW_ACCESS_CHALLENGE) {
+ major = gssEapRadiusGetAvp(minor, frresp->vps, PW_STATE, 0,
+ &ctx->acceptorCtx.state, TRUE);
+ if (GSS_ERROR(major) && *minor != GSSEAP_NO_SUCH_ATTR)
+ goto cleanup;
+ } else {
+ ctx->acceptorCtx.vps = frresp->vps;
+ frresp->vps = NULL;
+
+ rs_conn_destroy(ctx->acceptorCtx.radConn);
+ ctx->acceptorCtx.radConn = NULL;
+
+ major = acceptReadyEap(minor, ctx, cred);
+ if (GSS_ERROR(major))
+ goto cleanup;
+
+ ctx->state = GSSEAP_STATE_EXTENSIONS_REQ;
+ }
+
+ *minor = 0;
+ major = GSS_S_CONTINUE_NEEDED;
+
+cleanup:
+ rs_request_destroy(request);
+
+ return major;
+}
+
+static OM_uint32
+eapGssSmAcceptExtensionsReq(OM_uint32 *minor,
+ gss_ctx_id_t ctx,
+ gss_cred_id_t cred,
+ gss_buffer_t inputToken,
+ gss_channel_bindings_t chanBindings,
+ gss_buffer_t outputToken)
+{
+ OM_uint32 major;
+
+ major = gssEapVerifyExtensions(minor, cred, ctx, chanBindings, inputToken);
+ if (GSS_ERROR(major))
+ return major;
+
+ outputToken->length = 0;
+ outputToken->value = NULL;
+
+ ctx->state = GSSEAP_STATE_EXTENSIONS_RESP;
+
+ *minor = 0;
+ return GSS_S_CONTINUE_NEEDED;
+}
+
+static OM_uint32
+eapGssSmAcceptExtensionsResp(OM_uint32 *minor,
+ gss_ctx_id_t ctx,
+ gss_cred_id_t cred,
+ gss_buffer_t inputToken,
+ gss_channel_bindings_t chanBindings,
+ gss_buffer_t outputToken)
+{
+ OM_uint32 major;
+
+ major = gssEapMakeExtensions(minor, cred, ctx, chanBindings, outputToken);
+ if (GSS_ERROR(major))
+ return major;
+
+ ctx->state = GSSEAP_STATE_ESTABLISHED;
+
+ *minor = 0;
+ return GSS_S_COMPLETE;
+}
+
+static OM_uint32
+eapGssSmAcceptEstablished(OM_uint32 *minor,
+ gss_ctx_id_t ctx,
+ gss_cred_id_t cred,
+ gss_buffer_t inputToken,
+ gss_channel_bindings_t chanBindings,
+ gss_buffer_t outputToken)
+{
+ /* Called with already established context */
+ *minor = GSSEAP_CONTEXT_ESTABLISHED;
+ return GSS_S_BAD_STATUS;
+}
+
+static OM_uint32
+makeErrorToken(OM_uint32 *minor,
+ OM_uint32 majorStatus,
+ OM_uint32 minorStatus,
+ gss_buffer_t outputToken)
+{
+ unsigned char errorData[8];
+ gss_buffer_desc errorBuffer;
+
+ assert(GSS_ERROR(majorStatus));
+
+ /*
+ * Only return error codes that the initiator could have caused,
+ * to avoid information leakage.
+ */
+ if (IS_RADIUS_ERROR(minorStatus)) {
+ /* Squash RADIUS error codes */
+ minorStatus = GSSEAP_RADIUS_PROT_FAILURE;
+ } else if (!IS_WIRE_ERROR(minorStatus)) {
+ /* Don't return non-wire error codes */
+ return GSS_S_COMPLETE;
+ }
+
+ minorStatus -= ERROR_TABLE_BASE_eapg;
+
+ store_uint32_be(majorStatus, &errorData[0]);
+ store_uint32_be(minorStatus, &errorData[4]);
+
+ errorBuffer.length = sizeof(errorData);
+ errorBuffer.value = errorData;
+
+ return duplicateBuffer(minor, &errorBuffer, outputToken);
+}
+
+static struct gss_eap_acceptor_sm {
+ enum gss_eap_token_type inputTokenType;
+ enum gss_eap_token_type outputTokenType;
+ OM_uint32 (*processToken)(OM_uint32 *,
+ gss_ctx_id_t,
+ gss_cred_id_t,
+ gss_buffer_t,
+ gss_channel_bindings_t,
+ gss_buffer_t);
+} eapGssAcceptorSm[] = {
+ { TOK_TYPE_EAP_RESP, TOK_TYPE_EAP_REQ, eapGssSmAcceptIdentity },
+ { TOK_TYPE_EAP_RESP, TOK_TYPE_EAP_REQ, eapGssSmAcceptAuthenticate },
+ { TOK_TYPE_EXT_REQ, TOK_TYPE_NONE, eapGssSmAcceptExtensionsReq },
+ { TOK_TYPE_NONE, TOK_TYPE_EXT_RESP, eapGssSmAcceptExtensionsResp },
+ { TOK_TYPE_NONE, TOK_TYPE_NONE, eapGssSmAcceptEstablished },
+ { TOK_TYPE_NONE, TOK_TYPE_CONTEXT_ERR, NULL },
+#ifdef GSSEAP_ENABLE_REAUTH
+ { TOK_TYPE_GSS_REAUTH, TOK_TYPE_GSS_REAUTH, eapGssSmAcceptGssReauth },
+#endif
+};
+
OM_uint32
gss_accept_sec_context(OM_uint32 *minor,
gss_ctx_id_t *context_handle,
- gss_cred_id_t acceptor_cred_handle,
- gss_buffer_t input_token_buffer,
+ gss_cred_id_t cred,
+ gss_buffer_t input_token,
gss_channel_bindings_t input_chan_bindings,
gss_name_t *src_name,
gss_OID *mech_type,
OM_uint32 *time_rec,
gss_cred_id_t *delegated_cred_handle)
{
- GSSEAP_NOT_IMPLEMENTED;
+ OM_uint32 major;
+ OM_uint32 tmpMajor, tmpMinor;
+ gss_ctx_id_t ctx = *context_handle;
+ struct gss_eap_acceptor_sm *sm = NULL;
+ gss_buffer_desc innerInputToken = GSS_C_EMPTY_BUFFER;
+ gss_buffer_desc innerOutputToken = GSS_C_EMPTY_BUFFER;
+ enum gss_eap_token_type tokType;
+ int initialContextToken = 0;
+
+ *minor = 0;
+
+ output_token->length = 0;
+ output_token->value = NULL;
+
+ if (input_token == GSS_C_NO_BUFFER || input_token->length == 0) {
+ *minor = GSSEAP_TOK_TRUNC;
+ return GSS_S_DEFECTIVE_TOKEN;
+ }
+
+ if (ctx == GSS_C_NO_CONTEXT) {
+ major = gssEapAllocContext(minor, &ctx);
+ if (GSS_ERROR(major))
+ return major;
+
+ initialContextToken = 1;
+ *context_handle = ctx;
+ }
+
+ GSSEAP_MUTEX_LOCK(&ctx->mutex);
+
+ /* Validate and lock credentials */
+ if (cred != GSS_C_NO_CREDENTIAL) {
+ GSSEAP_MUTEX_LOCK(&cred->mutex);
+
+ if ((cred->flags & CRED_FLAG_ACCEPT) == 0) {
+ *minor = GSSEAP_CRED_USAGE_MISMATCH;
+ major = GSS_S_NO_CRED;
+ goto cleanup;
+ }
+ }
+
+ sm = &eapGssAcceptorSm[ctx->state];
+
+ major = gssEapVerifyToken(minor, ctx, input_token,
+ &tokType, &innerInputToken);
+ if (GSS_ERROR(major))
+ goto cleanup;
+
+ if (!gssEapCredAvailable(cred, ctx->mechanismUsed)) {
+ *minor = GSSEAP_CRED_MECH_MISMATCH;
+ major = GSS_S_BAD_MECH;
+ goto cleanup;
+ }
+
+#ifdef GSSEAP_ENABLE_REAUTH
+ /*
+ * If we're built with fast reauthentication support, it's valid
+ * for an initiator to send a GSS reauthentication token as its
+ * initial context token, causing us to short-circuit the state
+ * machine and process Kerberos GSS messages instead.
+ */
+ if (tokType == TOK_TYPE_GSS_REAUTH && initialContextToken) {
+ ctx->state = GSSEAP_STATE_KRB_REAUTH;
+ } else
+#endif
+ if (tokType != sm->inputTokenType) {
+ *minor = GSSEAP_WRONG_TOK_ID;
+ major = GSS_S_DEFECTIVE_TOKEN;
+ goto cleanup;
+ }
+
+ do {
+ sm = &eapGssAcceptorSm[ctx->state];
+
+ major = (sm->processToken)(minor,
+ ctx,
+ cred,
+ &innerInputToken,
+ input_chan_bindings,
+ &innerOutputToken);
+ if (GSS_ERROR(major)) {
+ /* Possibly generate an error token */
+ tmpMajor = makeErrorToken(&tmpMinor, major, *minor, &innerOutputToken);
+ if (GSS_ERROR(tmpMajor)) {
+ major = tmpMajor;
+ goto cleanup;
+ }
+
+ sm = &eapGssAcceptorSm[GSSEAP_STATE_ERROR];
+ goto send_token;
+ }
+ } while (major == GSS_S_CONTINUE_NEEDED && innerOutputToken.length == 0);
+
+ if (mech_type != NULL) {
+ if (!gssEapInternalizeOid(ctx->mechanismUsed, mech_type))
+ duplicateOid(&tmpMinor, ctx->mechanismUsed, mech_type);
+ }
+ if (ret_flags != NULL)
+ *ret_flags = ctx->gssFlags;
+ if (delegated_cred_handle != NULL)
+ *delegated_cred_handle = GSS_C_NO_CREDENTIAL;
+
+ if (major == GSS_S_COMPLETE) {
+ if (src_name != NULL && ctx->initiatorName != GSS_C_NO_NAME) {
+ major = gssEapDuplicateName(&tmpMinor, ctx->initiatorName, src_name);
+ if (GSS_ERROR(major))
+ goto cleanup;
+ }
+ if (time_rec != NULL) {
+ major = gssEapContextTime(&tmpMinor, ctx, time_rec);
+ if (GSS_ERROR(major))
+ goto cleanup;
+ }
+ }
+
+ assert(ctx->state == GSSEAP_STATE_ESTABLISHED || major == GSS_S_CONTINUE_NEEDED);
+
+send_token:
+ if (innerOutputToken.value != NULL) {
+ tmpMajor = gssEapMakeToken(&tmpMinor, ctx, &innerOutputToken,
+ sm->outputTokenType, output_token);
+ if (GSS_ERROR(tmpMajor)) {
+ major = tmpMajor;
+ *minor = tmpMinor;
+ goto cleanup;
+ }
+ }
+
+cleanup:
+ if (cred != GSS_C_NO_CREDENTIAL)
+ GSSEAP_MUTEX_UNLOCK(&cred->mutex);
+ GSSEAP_MUTEX_UNLOCK(&ctx->mutex);
+
+ if (GSS_ERROR(major))
+ gssEapReleaseContext(&tmpMinor, context_handle);
+
+ gss_release_buffer(&tmpMinor, &innerOutputToken);
+
+ return major;
+}
+
+#ifdef GSSEAP_ENABLE_REAUTH
+static OM_uint32
+acceptReadyKrb(OM_uint32 *minor,
+ gss_ctx_id_t ctx,
+ gss_cred_id_t cred,
+ const gss_name_t initiator,
+ const gss_OID mech,
+ OM_uint32 timeRec)
+{
+ OM_uint32 major;
+
+ major = gssEapGlueToMechName(minor, initiator, &ctx->initiatorName);
+ if (GSS_ERROR(major))
+ return major;
+
+ if (cred != GSS_C_NO_CREDENTIAL && cred->name != GSS_C_NO_NAME) {
+ major = gssEapDuplicateName(minor, cred->name, &ctx->acceptorName);
+ if (GSS_ERROR(major))
+ return major;
+ }
+
+ major = gssEapReauthComplete(minor, ctx, cred, mech, timeRec);
+ if (GSS_ERROR(major))
+ return major;
+
+ ctx->state = GSSEAP_STATE_ESTABLISHED;
+
+ *minor = 0;
+ return GSS_S_COMPLETE;
+}
+
+static OM_uint32
+eapGssSmAcceptGssReauth(OM_uint32 *minor,
+ gss_ctx_id_t ctx,
+ gss_cred_id_t cred,
+ gss_buffer_t inputToken,
+ gss_channel_bindings_t chanBindings,
+ gss_buffer_t outputToken)
+{
+ OM_uint32 major, tmpMinor;
+ gss_cred_id_t krbCred = GSS_C_NO_CREDENTIAL;
+ gss_name_t krbInitiator = GSS_C_NO_NAME;
+ gss_OID mech = GSS_C_NO_OID;
+ OM_uint32 gssFlags, timeRec = GSS_C_INDEFINITE;
+
+ ctx->flags |= CTX_FLAG_KRB_REAUTH;
+
+ if (cred != GSS_C_NO_CREDENTIAL)
+ krbCred = cred->krbCred;
+
+ major = gssAcceptSecContext(minor,
+ &ctx->kerberosCtx,
+ krbCred,
+ inputToken,
+ chanBindings,
+ &krbInitiator,
+ &mech,
+ outputToken,
+ &gssFlags,
+ &timeRec,
+ NULL);
+ if (major == GSS_S_COMPLETE) {
+ major = acceptReadyKrb(minor, ctx, cred,
+ krbInitiator, mech, timeRec);
+ }
+
+ ctx->gssFlags = gssFlags;
+
+ gssReleaseName(&tmpMinor, &krbInitiator);
+
+ return major;
}
+#endif /* GSSEAP_ENABLE_REAUTH */
projects / mech_eap.orig / blobdiff