if (ctx == GSS_C_NO_CONTEXT)
return FALSE;
- assert(CTX_IS_INITIATOR(ctx));
+ GSSEAP_ASSERT(CTX_IS_INITIATOR(ctx));
switch (variable) {
case EAPOL_idleWhile:
if (ctx == GSS_C_NO_CONTEXT)
return;
- assert(CTX_IS_INITIATOR(ctx));
+ GSSEAP_ASSERT(CTX_IS_INITIATOR(ctx));
switch (variable) {
case EAPOL_idleWhile:
#endif
static OM_uint32
-peerConfigInit(OM_uint32 *minor,
- gss_cred_id_t cred,
- gss_ctx_id_t ctx)
+peerConfigInit(OM_uint32 *minor, gss_ctx_id_t ctx)
{
OM_uint32 major;
krb5_context krbContext;
struct eap_peer_config *eapPeerConfig = &ctx->initiatorCtx.eapPeerConfig;
gss_buffer_desc identity = GSS_C_EMPTY_BUFFER;
gss_buffer_desc realm = GSS_C_EMPTY_BUFFER;
+ gss_cred_id_t cred = ctx->cred;
eapPeerConfig->identity = NULL;
eapPeerConfig->identity_len = 0;
eapPeerConfig->password = NULL;
eapPeerConfig->password_len = 0;
- assert(cred != GSS_C_NO_CREDENTIAL);
+ GSSEAP_ASSERT(cred != GSS_C_NO_CREDENTIAL);
GSSEAP_KRB_INIT(&krbContext);
wpa_debug_level = 0;
#endif
- assert(cred->name != GSS_C_NO_NAME);
+ GSSEAP_ASSERT(cred->name != GSS_C_NO_NAME);
if ((cred->name->flags & (NAME_FLAG_NAI | NAME_FLAG_SERVICE)) == 0) {
*minor = GSSEAP_BAD_INITIATOR_NAME;
eapPeerConfig->password = (unsigned char *)cred->password.value;
eapPeerConfig->password_len = cred->password.length;
+ /* certs */
+ eapPeerConfig->ca_cert = (unsigned char *)cred->caCertificate.value;
+ eapPeerConfig->subject_match = (unsigned char *)cred->subjectNameConstraint.value;
+ eapPeerConfig->altsubject_match = (unsigned char *)cred->subjectAltNameConstraint.value;
+
*minor = 0;
return GSS_S_COMPLETE;
}
static OM_uint32
initBegin(OM_uint32 *minor,
- gss_cred_id_t cred,
gss_ctx_id_t ctx,
gss_name_t target,
gss_OID mech,
gss_channel_bindings_t chanBindings GSSEAP_UNUSED)
{
OM_uint32 major;
+ gss_cred_id_t cred = ctx->cred;
- assert(cred != GSS_C_NO_CREDENTIAL);
+ GSSEAP_ASSERT(cred != GSS_C_NO_CREDENTIAL);
if (cred->expiryTime)
ctx->expiryTime = cred->expiryTime;
*minor = GSSEAP_BAD_ERROR_TOKEN;
}
- assert(GSS_ERROR(major));
+ GSSEAP_ASSERT(GSS_ERROR(major));
return major;
}
gss_OID actualMech = GSS_C_NO_OID;
OM_uint32 gssFlags, timeRec;
- assert(cred != GSS_C_NO_CREDENTIAL);
-
+ /*
+ * Here we use the passed in credential handle because the resolved
+ * context credential does not currently have the reauth creds.
+ */
if (GSSEAP_SM_STATE(ctx) == GSSEAP_STATE_INITIAL) {
if (!gssEapCanReauthP(cred, target, timeReq))
return GSS_S_CONTINUE_NEEDED;
goto cleanup;
}
+ GSSEAP_ASSERT(cred != GSS_C_NO_CREDENTIAL);
+
major = gssEapMechToGlueName(minor, target, &mechTarget);
if (GSS_ERROR(major))
goto cleanup;
ctx->gssFlags = gssFlags;
if (major == GSS_S_COMPLETE) {
- assert(GSSEAP_SM_STATE(ctx) == GSSEAP_STATE_REAUTHENTICATE);
+ GSSEAP_ASSERT(GSSEAP_SM_STATE(ctx) == GSSEAP_STATE_REAUTHENTICATE);
major = gssEapReauthComplete(minor, ctx, cred, actualMech, timeRec);
if (GSS_ERROR(major))
#endif
*smFlags |= SM_FLAG_FORCE_SEND_TOKEN;
- assert((ctx->flags & CTX_FLAG_KRB_REAUTH) == 0);
- assert(inputToken == GSS_C_NO_BUFFER);
+ GSSEAP_ASSERT((ctx->flags & CTX_FLAG_KRB_REAUTH) == 0);
+ GSSEAP_ASSERT(inputToken == GSS_C_NO_BUFFER);
memset(&eapConfig, 0, sizeof(eapConfig));
static OM_uint32
eapGssSmInitAuthenticate(OM_uint32 *minor,
- gss_cred_id_t cred,
+ gss_cred_id_t cred GSSEAP_UNUSED,
gss_ctx_id_t ctx,
gss_name_t target GSSEAP_UNUSED,
gss_OID mech GSSEAP_UNUSED,
{
OM_uint32 major;
OM_uint32 tmpMinor;
- int code;
struct wpabuf *resp = NULL;
*minor = 0;
- assert(inputToken != GSS_C_NO_BUFFER);
+ GSSEAP_ASSERT(inputToken != GSS_C_NO_BUFFER);
- major = peerConfigInit(minor, cred, ctx);
+ major = peerConfigInit(minor, ctx);
if (GSS_ERROR(major))
goto cleanup;
- assert(ctx->initiatorCtx.eap != NULL);
- assert(ctx->flags & CTX_FLAG_EAP_PORT_ENABLED);
+ GSSEAP_ASSERT(ctx->initiatorCtx.eap != NULL);
+ GSSEAP_ASSERT(ctx->flags & CTX_FLAG_EAP_PORT_ENABLED);
ctx->flags |= CTX_FLAG_EAP_REQ; /* we have a Request from the acceptor */
major = GSS_S_CONTINUE_NEEDED;
- code = eap_peer_sm_step(ctx->initiatorCtx.eap);
+ eap_peer_sm_step(ctx->initiatorCtx.eap);
if (ctx->flags & CTX_FLAG_EAP_RESP) {
ctx->flags &= ~(CTX_FLAG_EAP_RESP);
OM_uint32 tmpMajor;
gss_buffer_desc respBuf;
- assert(major == GSS_S_CONTINUE_NEEDED);
+ GSSEAP_ASSERT(major == GSS_S_CONTINUE_NEEDED);
respBuf.length = wpabuf_len(resp);
respBuf.value = (void *)wpabuf_head(resp);
}
static OM_uint32
+eapGssSmInitGssFlags(OM_uint32 *minor,
+ gss_cred_id_t cred GSSEAP_UNUSED,
+ gss_ctx_id_t ctx,
+ gss_name_t target GSSEAP_UNUSED,
+ gss_OID mech GSSEAP_UNUSED,
+ OM_uint32 reqFlags GSSEAP_UNUSED,
+ OM_uint32 timeReq GSSEAP_UNUSED,
+ gss_channel_bindings_t chanBindings GSSEAP_UNUSED,
+ gss_buffer_t inputToken GSSEAP_UNUSED,
+ gss_buffer_t outputToken,
+ OM_uint32 *smFlags GSSEAP_UNUSED)
+{
+ unsigned char wireFlags[4];
+ gss_buffer_desc flagsBuf;
+
+ store_uint32_be(ctx->gssFlags & GSSEAP_WIRE_FLAGS_MASK, wireFlags);
+
+ flagsBuf.length = sizeof(wireFlags);
+ flagsBuf.value = wireFlags;
+
+ return duplicateBuffer(minor, &flagsBuf, outputToken);
+}
+
+static OM_uint32
eapGssSmInitGssChannelBindings(OM_uint32 *minor,
gss_cred_id_t cred GSSEAP_UNUSED,
gss_ctx_id_t ctx,
OM_uint32 *smFlags)
{
OM_uint32 major;
- gss_buffer_desc buffer = GSS_C_EMPTY_BUFFER;
+ krb5_error_code code;
+ krb5_context krbContext;
+ krb5_data data;
+ krb5_checksum cksum;
+ gss_buffer_desc cksumBuffer;
+
+ if (chanBindings == GSS_C_NO_CHANNEL_BINDINGS ||
+ chanBindings->application_data.length == 0)
+ return GSS_S_CONTINUE_NEEDED;
+
+ GSSEAP_KRB_INIT(&krbContext);
+
+ KRB_DATA_INIT(&data);
+
+ gssBufferToKrbData(&chanBindings->application_data, &data);
+
+ code = krb5_c_make_checksum(krbContext, ctx->checksumType,
+ &ctx->rfc3961Key,
+ KEY_USAGE_GSSEAP_CHBIND_MIC,
+ &data, &cksum);
+ if (code != 0) {
+ *minor = code;
+ return GSS_S_FAILURE;
+ }
+
+ cksumBuffer.length = KRB_CHECKSUM_LENGTH(&cksum);
+ cksumBuffer.value = KRB_CHECKSUM_DATA(&cksum);
+
+ major = duplicateBuffer(minor, &cksumBuffer, outputToken);
+ if (GSS_ERROR(major)) {
+ krb5_free_checksum_contents(krbContext, &cksum);
+ return major;
+ }
+
+ *minor = 0;
+ *smFlags |= SM_FLAG_OUTPUT_TOKEN_CRITICAL;
+
+ krb5_free_checksum_contents(krbContext, &cksum);
+
+ return GSS_S_CONTINUE_NEEDED;
+}
- if (chanBindings != GSS_C_NO_CHANNEL_BINDINGS)
- buffer = chanBindings->application_data;
+static OM_uint32
+eapGssSmInitInitiatorMIC(OM_uint32 *minor,
+ gss_cred_id_t cred GSSEAP_UNUSED,
+ gss_ctx_id_t ctx,
+ gss_name_t target GSSEAP_UNUSED,
+ gss_OID mech GSSEAP_UNUSED,
+ OM_uint32 reqFlags GSSEAP_UNUSED,
+ OM_uint32 timeReq GSSEAP_UNUSED,
+ gss_channel_bindings_t chanBindings GSSEAP_UNUSED,
+ gss_buffer_t inputToken GSSEAP_UNUSED,
+ gss_buffer_t outputToken,
+ OM_uint32 *smFlags)
+{
+ OM_uint32 major;
- major = gssEapWrap(minor, ctx, TRUE, GSS_C_QOP_DEFAULT,
- &buffer, NULL, outputToken);
+ major = gssEapMakeTokenMIC(minor, ctx, outputToken);
if (GSS_ERROR(major))
return major;
- assert(outputToken->value != NULL);
+ GSSEAP_SM_TRANSITION_NEXT(ctx);
*minor = 0;
*smFlags |= SM_FLAG_OUTPUT_TOKEN_CRITICAL;
#endif /* GSSEAP_ENABLE_REAUTH */
static OM_uint32
-eapGssSmInitCompleteInitiatorExts(OM_uint32 *minor,
- gss_cred_id_t cred GSSEAP_UNUSED,
- gss_ctx_id_t ctx,
- gss_name_t target GSSEAP_UNUSED,
- gss_OID mech GSSEAP_UNUSED,
- OM_uint32 reqFlags GSSEAP_UNUSED,
- OM_uint32 timeReq GSSEAP_UNUSED,
- gss_channel_bindings_t chanBindings GSSEAP_UNUSED,
- gss_buffer_t inputToken GSSEAP_UNUSED,
- gss_buffer_t outputToken GSSEAP_UNUSED,
- OM_uint32 *smFlags)
+eapGssSmInitAcceptorMIC(OM_uint32 *minor,
+ gss_cred_id_t cred GSSEAP_UNUSED,
+ gss_ctx_id_t ctx,
+ gss_name_t target GSSEAP_UNUSED,
+ gss_OID mech GSSEAP_UNUSED,
+ OM_uint32 reqFlags GSSEAP_UNUSED,
+ OM_uint32 timeReq GSSEAP_UNUSED,
+ gss_channel_bindings_t chanBindings GSSEAP_UNUSED,
+ gss_buffer_t inputToken,
+ gss_buffer_t outputToken GSSEAP_UNUSED,
+ OM_uint32 *smFlags GSSEAP_UNUSED)
{
- GSSEAP_SM_TRANSITION_NEXT(ctx);
-
- *minor = 0;
- *smFlags |= SM_FLAG_FORCE_SEND_TOKEN;
+ OM_uint32 major;
- return GSS_S_CONTINUE_NEEDED;
-}
+ major = gssEapVerifyTokenMIC(minor, ctx, inputToken);
+ if (GSS_ERROR(major))
+ return major;
-static OM_uint32
-eapGssSmInitCompleteAcceptorExts(OM_uint32 *minor,
- gss_cred_id_t cred GSSEAP_UNUSED,
- gss_ctx_id_t ctx,
- gss_name_t target GSSEAP_UNUSED,
- gss_OID mech GSSEAP_UNUSED,
- OM_uint32 reqFlags GSSEAP_UNUSED,
- OM_uint32 timeReq GSSEAP_UNUSED,
- gss_channel_bindings_t chanBindings GSSEAP_UNUSED,
- gss_buffer_t inputToken GSSEAP_UNUSED,
- gss_buffer_t outputToken GSSEAP_UNUSED,
- OM_uint32 *smFlags GSSEAP_UNUSED)
-{
GSSEAP_SM_TRANSITION(ctx, GSSEAP_STATE_ESTABLISHED);
*minor = 0;
},
{
ITOK_TYPE_NONE,
+ ITOK_TYPE_GSS_FLAGS,
+ GSSEAP_STATE_INITIATOR_EXTS,
+ 0,
+ eapGssSmInitGssFlags
+ },
+ {
+ ITOK_TYPE_NONE,
ITOK_TYPE_GSS_CHANNEL_BINDINGS,
GSSEAP_STATE_INITIATOR_EXTS,
- SM_ITOK_FLAG_REQUIRED,
+ 0,
eapGssSmInitGssChannelBindings
},
{
ITOK_TYPE_NONE,
- ITOK_TYPE_NONE,
+ ITOK_TYPE_INITIATOR_MIC,
GSSEAP_STATE_INITIATOR_EXTS,
- 0,
- eapGssSmInitCompleteInitiatorExts
+ SM_ITOK_FLAG_REQUIRED,
+ eapGssSmInitInitiatorMIC
},
#ifdef GSSEAP_ENABLE_REAUTH
{
#endif
/* other extensions go here */
{
- ITOK_TYPE_NONE,
+ ITOK_TYPE_ACCEPTOR_MIC,
ITOK_TYPE_NONE,
GSSEAP_STATE_ACCEPTOR_EXTS,
- 0,
- eapGssSmInitCompleteAcceptorExts
+ SM_ITOK_FLAG_REQUIRED,
+ eapGssSmInitAcceptorMIC
}
};
OM_uint32
-gss_init_sec_context(OM_uint32 *minor,
+gssEapInitSecContext(OM_uint32 *minor,
gss_cred_id_t cred,
- gss_ctx_id_t *context_handle,
+ gss_ctx_id_t ctx,
gss_name_t target_name,
gss_OID mech_type,
OM_uint32 req_flags,
OM_uint32 *time_rec)
{
OM_uint32 major, tmpMinor;
- gss_ctx_id_t ctx = *context_handle;
- int initialContextToken = 0;
+ int initialContextToken = (ctx->mechanismUsed == GSS_C_NO_OID);
- *minor = 0;
-
- output_token->length = 0;
- output_token->value = NULL;
-
- if (ctx == GSS_C_NO_CONTEXT) {
- if (input_token != GSS_C_NO_BUFFER && input_token->length != 0) {
- *minor = GSSEAP_WRONG_SIZE;
- return GSS_S_DEFECTIVE_TOKEN;
- }
+ /*
+ * XXX is acquiring the credential lock here necessary? The password is
+ * mutable but the contract could specify that this is not updated whilst
+ * a context is being initialized.
+ */
+ if (cred != GSS_C_NO_CREDENTIAL)
+ GSSEAP_MUTEX_LOCK(&cred->mutex);
- major = gssEapAllocContext(minor, &ctx);
+ if (ctx->cred == GSS_C_NO_CREDENTIAL) {
+ major = gssEapResolveInitiatorCred(minor, cred, target_name, &ctx->cred);
if (GSS_ERROR(major))
- return major;
-
- ctx->flags |= CTX_FLAG_INITIATOR;
- initialContextToken = 1;
-
- *context_handle = ctx;
- }
-
- GSSEAP_MUTEX_LOCK(&ctx->mutex);
-
- if (cred == GSS_C_NO_CREDENTIAL) {
- if (ctx->defaultCred == GSS_C_NO_CREDENTIAL) {
- major = gssEapAcquireCred(minor,
- GSS_C_NO_NAME,
- GSS_C_NO_BUFFER,
- time_req,
- GSS_C_NO_OID_SET,
- GSS_C_INITIATE,
- &ctx->defaultCred,
- NULL,
- NULL);
- if (GSS_ERROR(major))
- goto cleanup;
- }
+ goto cleanup;
- cred = ctx->defaultCred;
+ GSSEAP_ASSERT(ctx->cred != GSS_C_NO_CREDENTIAL);
}
- GSSEAP_MUTEX_LOCK(&cred->mutex);
+ GSSEAP_MUTEX_LOCK(&ctx->cred->mutex);
- if ((cred->flags & CRED_FLAG_INITIATE) == 0) {
- major = GSS_S_NO_CRED;
- *minor = GSSEAP_CRED_USAGE_MISMATCH;
- goto cleanup;
- }
+ GSSEAP_ASSERT(ctx->cred->flags & CRED_FLAG_RESOLVED);
+ GSSEAP_ASSERT(ctx->cred->flags & CRED_FLAG_INITIATE);
if (initialContextToken) {
- major = initBegin(minor, cred, ctx, target_name, mech_type,
+ major = initBegin(minor, ctx, target_name, mech_type,
req_flags, time_req, input_chan_bindings);
if (GSS_ERROR(major))
goto cleanup;
if (time_rec != NULL)
gssEapContextTime(&tmpMinor, ctx, time_rec);
- assert(CTX_IS_ESTABLISHED(ctx) || major == GSS_S_CONTINUE_NEEDED);
+ GSSEAP_ASSERT(CTX_IS_ESTABLISHED(ctx) || major == GSS_S_CONTINUE_NEEDED);
cleanup:
if (cred != GSS_C_NO_CREDENTIAL)
GSSEAP_MUTEX_UNLOCK(&cred->mutex);
+ if (ctx->cred != GSS_C_NO_CREDENTIAL)
+ GSSEAP_MUTEX_UNLOCK(&ctx->cred->mutex);
+
+ return major;
+}
+
+OM_uint32 GSSAPI_CALLCONV
+gss_init_sec_context(OM_uint32 *minor,
+ gss_cred_id_t cred,
+ gss_ctx_id_t *context_handle,
+ gss_name_t target_name,
+ gss_OID mech_type,
+ OM_uint32 req_flags,
+ OM_uint32 time_req,
+ gss_channel_bindings_t input_chan_bindings,
+ gss_buffer_t input_token,
+ gss_OID *actual_mech_type,
+ gss_buffer_t output_token,
+ OM_uint32 *ret_flags,
+ OM_uint32 *time_rec)
+{
+ OM_uint32 major, tmpMinor;
+ gss_ctx_id_t ctx = *context_handle;
+
+ *minor = 0;
+
+ output_token->length = 0;
+ output_token->value = NULL;
+
+ if (ctx == GSS_C_NO_CONTEXT) {
+ if (input_token != GSS_C_NO_BUFFER && input_token->length != 0) {
+ *minor = GSSEAP_WRONG_SIZE;
+ return GSS_S_DEFECTIVE_TOKEN;
+ }
+
+ major = gssEapAllocContext(minor, &ctx);
+ if (GSS_ERROR(major))
+ return major;
+
+ ctx->flags |= CTX_FLAG_INITIATOR;
+
+ *context_handle = ctx;
+ }
+
+ GSSEAP_MUTEX_LOCK(&ctx->mutex);
+
+ major = gssEapInitSecContext(minor,
+ cred,
+ ctx,
+ target_name,
+ mech_type,
+ req_flags,
+ time_req,
+ input_chan_bindings,
+ input_token,
+ actual_mech_type,
+ output_token,
+ ret_flags,
+ time_rec);
+
GSSEAP_MUTEX_UNLOCK(&ctx->mutex);
if (GSS_ERROR(major))