From 86ea035bddb91c3d810c8787b69cb55c3061c0a0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=B8=96=E7=95=8C?= <i@sekai.icu>
Date: Sun, 5 Feb 2023 14:38:34 +0800
Subject: [PATCH] Fix ipv6 redir port

---
 common/redir/redir_linux.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/common/redir/redir_linux.go b/common/redir/redir_linux.go
index 0f58b2da..5f61bb2a 100644
--- a/common/redir/redir_linux.go
+++ b/common/redir/redir_linux.go
@@ -1,6 +1,7 @@
 package redir
 
 import (
+	"encoding/binary"
 	"net"
 	"net/netip"
 	"os"
@@ -29,7 +30,9 @@ func GetOriginalDestination(conn net.Conn) (destination netip.AddrPort, err erro
 			if err != nil {
 				return err
 			}
-			destination = netip.AddrPortFrom(M.AddrFromIP(raw.Addr.Addr[:]), raw.Addr.Port)
+			var port [2]byte
+			binary.BigEndian.PutUint16(port[:], raw.Addr.Port)
+			destination = netip.AddrPortFrom(M.AddrFromIP(raw.Addr.Addr[:]), binary.LittleEndian.Uint16(port[:]))
 		}
 		return nil
 	})