send handshake failure alert to a server

2019-05-09 17:01:36 -07:00
parent 34dc41fe75
commit bf9f912b29
1 changed files with 4 additions and 0 deletions
--- a/src/internal.c
+++ b/src/internal.c
@ -7257,6 +7257,10 @@ static int GetRecordHeader(WOLFSSL* ssl, const byte* input, word32* inOutIdx,
            WOLFSSL_MSG("DTLS handshake, skip RH version number check");
        else {
            WOLFSSL_MSG("SSL version error");
+            /* send alert per RFC 5246 Section 7.2.1 */
+            if(ssl->options.side == WOLFSSL_CLIENT_END) {
+                SendAlert(ssl, alert_fatal, handshake_failure);
+            }
            return VERSION_ERROR;              /* only use requested version */
        }
    }