35 lines
1.2 KiB
Go
35 lines
1.2 KiB
Go
/*
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Copyright 2016 gtalent2@gmail.com
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This Source Code Form is subject to the terms of the Mozilla Public
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License, v. 2.0. If a copy of the MPL was not distributed with this
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file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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package main
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import (
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"log"
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"os/exec"
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)
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func addPortForward(ruleName, gatewayInt, localIp, targetIp, port string) {
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log.Println("Setting up port", port, "to", targetIp)
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cmdOut, err := exec.Command("iptables", "-A", "PREROUTING", "-t", "nat", "-i", "\""+gatewayInt+"\"", "-p", "tcp", "--dport", port, "-j", "DNAT", "--to", targetIp+":"+port).Output()
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log.Println("iptables", "-A", "PREROUTING,", "-t", "nat", "-i", "\""+gatewayInt+"\"", "-p", "tcp", "--dport", port, "-j", "DNAT", "--to", targetIp+":"+port)
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if err != nil {
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log.Println("iptables error:", err)
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}
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log.Println(cmdOut)
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cmdOut, err = exec.Command("iptables", "-A", "FORWARD", "-p", "tcp", "-d", targetIp, "--dport", port, "-j", "ACCEPT").Output()
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log.Println("iptables", "-A", "FORWARD", "-p", "tcp", "-d", targetIp, "--dport", port, "-j", "ACCEPT")
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if err != nil {
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log.Println("iptables error:", err)
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}
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log.Println(cmdOut)
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}
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func rmPortForward(ruleName string) {
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log.Print("Port forwarding not currently implemented for Linux/iptables")
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}
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