Add support for TLSv1.3 as a protocol to libtls.

This makes tls_config_parse_protocols() recognise and handle "tlsv1.3".
If TLSv1.3 is enabled libtls will also request libssl to enable it.

ok beck@ tb@

1 files changed, 3 insertions, 1 deletions

diff --git a/src/lib/libtls/tls_config.c b/src/lib/libtls/tls_config.c
index 424fd73c93..ed47170835 100644
--- a/src/lib/libtls/tls_config.c
+++ b/src/lib/libtls/tls_config.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: tls_config.c,v 1.57 2019/11/16 06:44:33 beck Exp $ */
+/* $OpenBSD: tls_config.c,v 1.58 2020/01/20 08:39:21 jsing Exp $ */
 /*
  * Copyright (c) 2014 Joel Sing <jsing@openbsd.org>
  *
@@ -253,6 +253,8 @@ tls_config_parse_protocols(uint32_t *protocols, const char *protostr)
                         proto = TLS_PROTOCOL_TLSv1_1;
                 else if (strcasecmp(p, "tlsv1.2") == 0)
                         proto = TLS_PROTOCOL_TLSv1_2;
+                else if (strcasecmp(p, "tlsv1.3") == 0)
+                        proto = TLS_PROTOCOL_TLSv1_3;
 
                 if (proto == 0) {
                         free(s);