From 0994c9255052923d7051237396a269af2cc88eec Mon Sep 17 00:00:00 2001
From: Tatsuhiro Tsujikawa <tatsuhiro.t@gmail.com>
Date: Wed, 22 Mar 2017 21:34:13 +0900
Subject: [PATCH] nghttpx: Don't cache session server side if TLS version is
 1.3

---
 src/shrpx_ssl.cc | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/shrpx_ssl.cc b/src/shrpx_ssl.cc
index 5f8a3691..59ecbff6 100644
--- a/src/shrpx_ssl.cc
+++ b/src/shrpx_ssl.cc
@@ -269,6 +269,12 @@ int tls_session_new_cb(SSL *ssl, SSL_SESSION *session) {
   auto dispatcher = worker->get_session_cache_memcached_dispatcher();
   auto &balloc = handler->get_block_allocator();
 
+#ifdef TLS1_3_VERSION
+  if (SSL_version(ssl) == TLS1_3_VERSION) {
+    return 0;
+  }
+#endif // TLS1_3_VERSION
+
   const unsigned char *id;
   unsigned int idlen;