}
return flag;
-
}
static struct eap_peer_config *
}
static OM_uint32
-completeInit(OM_uint32 *minor,
- gss_ctx_id_t ctx)
+initReady(OM_uint32 *minor, gss_ctx_id_t ctx)
{
OM_uint32 major;
const unsigned char *key;
size_t keyLength;
- krb5_context krbContext;
-
- GSSEAP_KRB_INIT(&krbContext);
/* Cache encryption type derived from selected mechanism OID */
major = gssEapOidToEnctype(minor, ctx->mechanismUsed, &ctx->encryptionType);
eap_key_available(ctx->initiatorCtx.eap)) {
key = eap_get_eapKeyData(ctx->initiatorCtx.eap, &keyLength);
- major = gssEapDeriveRFC3961Key(minor, key, keyLength,
+ major = gssEapDeriveRfc3961Key(minor, key, keyLength,
ctx->encryptionType, &ctx->rfc3961Key);
if (GSS_ERROR(major))
return major;
+
+ major = rfc3961ChecksumTypeForKey(minor, &ctx->rfc3961Key,
+ &ctx->checksumType);
+ if (GSS_ERROR(major))
+ return major;
} else {
/*
* draft-howlett-eap-gss says that integrity/confidentialty should
ctx->gssFlags &= ~(GSS_C_INTEG_FLAG | GSS_C_CONF_FLAG);
}
- sequenceInit(&ctx->seqState, ctx->recvSeq,
- ((ctx->gssFlags & GSS_C_REPLAY_FLAG) != 0),
- ((ctx->gssFlags & GSS_C_SEQUENCE_FLAG) != 0),
- TRUE);
+ 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;
return GSS_S_COMPLETE;
}
OM_uint32 tmpMajor, tmpMinor;
time_t now;
int initialContextToken = 0, code;
- struct wpabuf *resp = NULL;
+ gss_buffer_desc respBuf = GSS_C_EMPTY_BUFFER;
initialContextToken = (inputToken == GSS_C_NO_BUFFER ||
inputToken->length == 0);
if (GSS_ERROR(major))
goto cleanup;
- /* Use this to emit an empty token*/
- wpabuf_set(&ctx->initiatorCtx.reqData, "", 0);
- resp = &ctx->initiatorCtx.reqData;
+ /* If credentials were provided, check they're usable with this mech */
+ if (!gssEapCredAvailable(cred, ctx->mechanismUsed)) {
+ major = GSS_S_BAD_MECH;
+ goto cleanup;
+ }
+
+ respBuf.value = ""; /* emit empty inner token */
major = GSS_S_CONTINUE_NEEDED;
goto cleanup;
} else {
code = eap_peer_sm_step(ctx->initiatorCtx.eap);
if (ctx->flags & CTX_FLAG_EAP_RESP) {
+ struct wpabuf *resp;
+
ctx->flags &= ~(CTX_FLAG_EAP_RESP);
resp = eap_get_eapRespData(ctx->initiatorCtx.eap);
+ if (resp != NULL) {
+ respBuf.length = wpabuf_len(resp);
+ respBuf.value = (void *)wpabuf_head(resp);
+ }
} else if (ctx->flags & CTX_FLAG_EAP_SUCCESS) {
- major = completeInit(minor, ctx);
+ major = initReady(minor, ctx);
+ if (GSS_ERROR(major))
+ goto cleanup;
+
ctx->flags &= ~(CTX_FLAG_EAP_SUCCESS);
- ctx->state = EAP_STATE_ESTABLISHED;
- } else if ((ctx->flags & CTX_FLAG_EAP_FAIL) || code == 0) {
+ major = GSS_S_CONTINUE_NEEDED;
+ ctx->state = EAP_STATE_GSS_CHANNEL_BINDINGS;
+ } else if (ctx->flags & CTX_FLAG_EAP_FAIL) {
+ major = GSS_S_DEFECTIVE_CREDENTIAL;
+ } else if (code == 0) {
major = GSS_S_FAILURE;
}
cleanup:
- if (resp != NULL) {
+ if (respBuf.value != NULL) {
OM_uint32 tmpMajor;
- gss_buffer_desc buf;
assert(major == GSS_S_CONTINUE_NEEDED);
- buf.length = wpabuf_len(resp);
- buf.value = (void *)wpabuf_head(resp);
-
- tmpMajor = duplicateBuffer(&tmpMinor, &buf, outputToken);
+ tmpMajor = duplicateBuffer(&tmpMinor, &respBuf, outputToken);
if (GSS_ERROR(tmpMajor)) {
major = tmpMajor;
*minor = tmpMinor;
return major;
}
+#if 0
static OM_uint32
eapGssSmInitKeyTransport(OM_uint32 *minor,
gss_cred_id_t cred,
{
GSSEAP_NOT_IMPLEMENTED;
}
+#endif
static OM_uint32
eapGssSmInitGssChannelBindings(OM_uint32 *minor,
gss_buffer_t inputToken,
gss_buffer_t outputToken)
{
- GSSEAP_NOT_IMPLEMENTED;
+ OM_uint32 major, tmpMinor;
+ gss_iov_buffer_desc iov[2];
+ gss_buffer_desc buf;
+
+ iov[0].type = GSS_IOV_BUFFER_TYPE_DATA;
+ iov[0].buffer.length = 0;
+ iov[0].buffer.value = NULL;
+
+ iov[1].type = GSS_IOV_BUFFER_TYPE_HEADER | GSS_IOV_BUFFER_FLAG_ALLOCATE;
+ iov[1].buffer.length = 0;
+ iov[1].buffer.value = NULL;
+
+ if (chanBindings != GSS_C_NO_CHANNEL_BINDINGS)
+ iov[0].buffer = chanBindings->application_data;
+
+ major = gssEapWrapOrGetMIC(minor, ctx, FALSE, FALSE, iov, 2,
+ TOK_TYPE_GSS_CB);
+ if (GSS_ERROR(major))
+ goto cleanup;
+
+ /* Skip past token ID */
+ assert(iov[1].buffer.length > 2);
+ assert(load_uint16_be(iov[1].buffer.value) == TOK_TYPE_GSS_CB);
+
+ buf.length = iov[1].buffer.length - 2;
+ buf.value = (unsigned char *)iov[1].buffer.value + 2;
+
+ major = duplicateBuffer(minor, &buf, outputToken);
+ if (GSS_ERROR(major))
+ goto cleanup;
+
+ major = GSS_S_COMPLETE;
+ ctx->state = EAP_STATE_ESTABLISHED;
+
+cleanup:
+ gssEapReleaseIov(iov, 2);
+
+ return major;
}
static OM_uint32
return GSS_S_BAD_STATUS;
}
-static struct eap_gss_initiator_sm {
+static struct gss_eap_initiator_sm {
enum gss_eap_token_type inputTokenType;
enum gss_eap_token_type outputTokenType;
OM_uint32 (*processToken)(OM_uint32 *,
gss_buffer_t);
} eapGssInitiatorSm[] = {
{ TOK_TYPE_EAP_REQ, TOK_TYPE_EAP_RESP, eapGssSmInitAuthenticate },
+#if 0
{ TOK_TYPE_EAP_REQ, TOK_TYPE_EAP_RESP, eapGssSmInitKeyTransport },
{ TOK_TYPE_EAP_REQ, TOK_TYPE_EAP_RESP, eapGssSmInitSecureAssoc },
- { TOK_TYPE_GSS_CB, TOK_TYPE_NONE, eapGssSmInitGssChannelBindings },
+#endif
+ { TOK_TYPE_NONE, TOK_TYPE_GSS_CB, eapGssSmInitGssChannelBindings },
{ TOK_TYPE_NONE, TOK_TYPE_NONE, eapGssSmInitEstablished },
};
OM_uint32 major;
OM_uint32 tmpMajor, tmpMinor;
gss_ctx_id_t ctx = *context_handle;
- struct eap_gss_initiator_sm *sm = NULL;
- gss_buffer_desc innerInputToken, innerOutputToken;
+ struct gss_eap_initiator_sm *sm = NULL;
+ gss_buffer_desc innerInputToken;
+ gss_buffer_desc innerOutputToken = GSS_C_EMPTY_BUFFER;
*minor = 0;
- innerOutputToken.length = 0;
- innerOutputToken.value = NULL;
-
output_token->length = 0;
output_token->value = NULL;
* the status is not GSS_S_COMPLETE or an error status.
*/
do {
+ sm = &eapGssInitiatorSm[ctx->state];
+
major = (sm->processToken)(minor,
cred,
ctx,
projects / mech_eap.orig / blobdiff