EAP-TTLS/PEAP/FAST: Reject unsupported Phase 2 method in configuration

Instead of using default list of methods, reject a configuration with an
unsupported EAP method at the time the main TLS method is being
initialized.

Signed-off-by: Jouni Malinen <j@w1.fi>

src/eap_peer/eap_tls_common.c

@@ -1039,6 +1039,9 @@ int eap_peer_select_phase2_methods(struct eap_peer_config *config,
 		if (vendor == EAP_VENDOR_IETF && method == EAP_TYPE_NONE) {
 			wpa_printf(MSG_ERROR, "TLS: Unsupported Phase2 EAP "
 				   "method '%s'", start);
+			os_free(methods);
+			os_free(buf);
+			return -1;
 		} else {
 			num_methods++;
 			_methods = os_realloc_array(methods, num_methods,