relay packets to target host

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)
+	}
+}