From bb498cbfa879b8421e598ed5e00caf3463134c54 Mon Sep 17 00:00:00 2001
From: Darien Raymond <admin@v2ray.com>
Date: Wed, 21 Dec 2016 10:45:47 +0100
Subject: [PATCH] Fix shadowsocks client handling proxied connection

---
 proxy/shadowsocks/client.go | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/proxy/shadowsocks/client.go b/proxy/shadowsocks/client.go
index ca833304..96ce20c7 100644
--- a/proxy/shadowsocks/client.go
+++ b/proxy/shadowsocks/client.go
@@ -99,9 +99,11 @@ func (v *Client) Dispatch(destination v2net.Destination, payload *buf.Buffer, ra
 			return
 		}
 
-		if err := bodyWriter.Write(payload); err != nil {
-			log.Info("Shadowsocks|Client: Failed to write payload: ", err)
-			return
+		if !payload.IsEmpty() {
+			if err := bodyWriter.Write(payload); err != nil {
+				log.Info("Shadowsocks|Client: Failed to write payload: ", err)
+				return
+			}
 		}
 
 		var responseMutex sync.Mutex