From 572cd61a2d5902f00bd4165be927ed9e43178913 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E3=81=9F=E3=81=A0=E3=81=AB=E3=82=83=E3=82=93?=
 <87938588+jus7nyan@users.noreply.github.com>
Date: Mon, 22 Jan 2024 00:48:04 +0400
Subject: [PATCH] Update tcpproxy.go

sending the client's IP address to the listening socket
---
 src/types/tcpproxy.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/types/tcpproxy.go b/src/types/tcpproxy.go
index 6696a2b..07e1ce9 100644
--- a/src/types/tcpproxy.go
+++ b/src/types/tcpproxy.go
@@ -24,6 +24,7 @@ func tcpProxyFunc(mtu uint64, dst, src net.Conn) error {
 func ProxyTCP(mtu uint64, c1, c2 net.Conn) error {
 	// Start proxying
 	errCh := make(chan error, 2)
+	c2.Write([]byte(c1.RemoteAddr().String()))
 	go func() { errCh <- tcpProxyFunc(mtu, c1, c2) }()
 	go func() { errCh <- tcpProxyFunc(mtu, c2, c1) }()