Don't send an alert when receiving a record of unknown ContentType
We don't send alerts on other instances of ill-formed records,
so why should we do it here? If we want to keep it, the alerts
should rather be sent ssl_get_next_record().
@@ -4941,15 +4941,6 @@ static int ssl_parse_record_header( mbedtls_ssl_context *ssl )
if( ssl_check_record_type( ssl->in_msgtype ) )
{
MBEDTLS_SSL_DEBUG_MSG( 1, ( "unknown record type" ) );
-
-#if defined(MBEDTLS_SSL_PROTO_DTLS)
- /* Silently ignore invalid DTLS records as recommended by RFC 6347
- * Section 4.1.2.7 */
- if( ssl->conf->transport != MBEDTLS_SSL_TRANSPORT_DATAGRAM )
-#endif /* MBEDTLS_SSL_PROTO_DTLS */
- mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
- MBEDTLS_SSL_ALERT_MSG_UNEXPECTED_MESSAGE );
-
return( MBEDTLS_ERR_SSL_INVALID_RECORD );
}
