From e99e80401364ddd6bdf02dbf2d5d461811ace52b Mon Sep 17 00:00:00 2001
From: maride <maride@darknebu.la>
Date: Wed, 27 Sep 2017 16:40:29 +0200
Subject: [PATCH] relay packets to target host

---
 knockr.go | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/knockr.go b/knockr.go
index 6dc1ad1..3c2c369 100644
--- a/knockr.go
+++ b/knockr.go
@@ -48,7 +48,7 @@ func gateway_handler(c net.Conn) {
 
 	if is_whitelisted(host) {
 		fmt.Println("OK: ", host)
-		io.WriteString(c, "Hola o/")
+		proxy(c)
 	} else {
 		fmt.Println("BLOCK: ", host)
 	}
@@ -70,3 +70,13 @@ func is_whitelisted(addr string) bool {
 
 	return false
 }
+
+func proxy(c net.Conn) {
+	ln, err := net.Dial("tcp", "ip.darknebu.la:443")
+	if err != nil {
+		fmt.Println("ERR proxy")
+	} else {
+		go io.Copy(c, ln)
+		io.Copy(ln, c)
+	}
+}