From a0765edd405e4ccefeaf903ef039197b3340f6e4 Mon Sep 17 00:00:00 2001
From: ginuerzh <ginuerzh@gmail.com>
Date: Fri, 24 Feb 2023 20:20:10 +0800
Subject: [PATCH] add default server name for tls client config

---
 config/parsing/chain.go | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/config/parsing/chain.go b/config/parsing/chain.go
index 1dcea76..05ed08a 100644
--- a/config/parsing/chain.go
+++ b/config/parsing/chain.go
@@ -2,6 +2,7 @@ package parsing
 
 import (
 	"fmt"
+	"net"
 	"strings"
 	"time"
 
@@ -94,10 +95,18 @@ func ParseHop(cfg *config.HopConfig) (chain.Hop, error) {
 			"dialer":    v.Dialer.Type,
 		})
 
+		serverName, _, _ := net.SplitHostPort(v.Addr)
+		if serverName == "" {
+			serverName = "localhost"
+		}
+
 		tlsCfg := v.Connector.TLS
 		if tlsCfg == nil {
 			tlsCfg = &config.TLSConfig{}
 		}
+		if tlsCfg.ServerName == "" {
+			tlsCfg.ServerName = serverName
+		}
 		tlsConfig, err := tls_util.LoadClientConfig(
 			tlsCfg.CertFile, tlsCfg.KeyFile, tlsCfg.CAFile,
 			tlsCfg.Secure, tlsCfg.ServerName)
@@ -137,6 +146,9 @@ func ParseHop(cfg *config.HopConfig) (chain.Hop, error) {
 		if tlsCfg == nil {
 			tlsCfg = &config.TLSConfig{}
 		}
+		if tlsCfg.ServerName == "" {
+			tlsCfg.ServerName = serverName
+		}
 		tlsConfig, err = tls_util.LoadClientConfig(
 			tlsCfg.CertFile, tlsCfg.KeyFile, tlsCfg.CAFile,
 			tlsCfg.Secure, tlsCfg.ServerName)