From 63c0ea81f672f883568eb54f6f0c788a2097e50d Mon Sep 17 00:00:00 2001
From: Peter Wu <peter@lekensteyn.nl>
Date: Fri, 21 Sep 2018 22:15:24 +0200
Subject: tls13scan: allow SNI override

---
 tls13scan/scan.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tls13scan/scan.go b/tls13scan/scan.go
index f47d217..6404532 100644
--- a/tls13scan/scan.go
+++ b/tls13scan/scan.go
@@ -295,7 +295,9 @@ func queryVersion(address, sniHost string, minVersion, maxVersion uint16) (uint1
 
 func main() {
 	var address string
+	var sni string
 	flag.StringVar(&address, "connect", "localhost", "hostname[:port] to connect to")
+	flag.StringVar(&sni, "servername", "", "Set SNI instead of using the -connect host")
 	flag.Parse()
 
 	if !strings.Contains(address, ":") {
@@ -306,6 +308,9 @@ func main() {
 	if err != nil {
 		panic(err)
 	}
+	if sni != "" {
+		sniHost = sni
+	}
 
 	// prepare client hello
 	minVersion := versionTLS13Draft01
-- 
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