From 7527d4ca2ce880b097b0d19b2ccaa466531e885d Mon Sep 17 00:00:00 2001
From: iaburton <iaburton@users.noreply.github.com>
Date: Thu, 28 Mar 2019 13:04:50 -0500
Subject: [PATCH] Fix tls.Config copy that breaks synchronization with internal
 sync types. Closes #254

---
 conn.go | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/conn.go b/conn.go
index c1b31859..c9740d18 100644
--- a/conn.go
+++ b/conn.go
@@ -385,9 +385,9 @@ func (c *Conn) identify() (*IdentifyResponse, error) {
 
 func (c *Conn) upgradeTLS(tlsConf *tls.Config) error {
 	// create a local copy of the config to set ServerName for this connection
-	var conf tls.Config
+	conf := new(tls.Config)
 	if tlsConf != nil {
-		conf = *tlsConf
+		conf = tlsConf.Clone()
 	}
 	host, _, err := net.SplitHostPort(c.addr)
 	if err != nil {
@@ -395,7 +395,7 @@ func (c *Conn) upgradeTLS(tlsConf *tls.Config) error {
 	}
 	conf.ServerName = host
 
-	c.tlsConn = tls.Client(c.conn, &conf)
+	c.tlsConn = tls.Client(c.conn, conf)
 	err = c.tlsConn.Handshake()
 	if err != nil {
 		return err