From b4dfbaa3f23db855dd138b2f391ccac1a85ddb13 Mon Sep 17 00:00:00 2001
From: Haruue Icymoon <i@haruue.moe>
Date: Tue, 7 Feb 2023 16:43:50 +0800
Subject: [PATCH] fix: udp assoc req malformed in socks5_outbound

fix: #561
---
 core/transport/socks5.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/core/transport/socks5.go b/core/transport/socks5.go
index a390b62..7da88ff 100644
--- a/core/transport/socks5.go
+++ b/core/transport/socks5.go
@@ -127,7 +127,9 @@ func (c *SOCKS5Client) ListenUDP() (STPacketConn, error) {
 		_ = conn.Close()
 		return nil, err
 	}
-	r := socks5.NewRequest(socks5.CmdUDP, socks5.ATYPIPv4, nil, nil)
+	var zeroIPv4 [4]byte
+	var zeroPort [2]byte
+	r := socks5.NewRequest(socks5.CmdUDP, socks5.ATYPIPv4, zeroIPv4[:], zeroPort[:])
 	reply, err := c.request(conn, r)
 	if err != nil {
 		_ = conn.Close()