Add checks to ensure we do not initiate or negotiate handshakes with

versions below the minimum required by the security level.

input & ok jsing

1 files changed, 7 insertions, 1 deletions

diff --git a/src/lib/libssl/ssl_seclevel.c b/src/lib/libssl/ssl_seclevel.c
index b174f57f0c..2fe6e3f222 100644
--- a/src/lib/libssl/ssl_seclevel.c
+++ b/src/lib/libssl/ssl_seclevel.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: ssl_seclevel.c,v 1.11 2022/06/30 07:09:45 tb Exp $ */
+/*      $OpenBSD: ssl_seclevel.c,v 1.12 2022/06/30 11:17:49 tb Exp $ */
 /*
  * Copyright (c) 2020 Theo Buehler <tb@openbsd.org>
  *
@@ -233,6 +233,12 @@ ssl_security(const SSL *ssl, int op, int bits, int nid, void *other)
 }
 
 int
+ssl_security_version(const SSL *ssl, int tls_version)
+{
+        return ssl_security(ssl, SSL_SECOP_VERSION, 0, tls_version, NULL);
+}
+
+int
 ssl_ctx_security_dh(const SSL_CTX *ctx, DH *dh)
 {
 #if defined(LIBRESSL_HAS_SECURITY_LEVEL)