wireguard-go/tun/netstack/examples/http_client.go

//go:build ignore

/* SPDX-License-Identifier: MIT
 *
 * Copyright (C) 2019-2021 WireGuard LLC. All Rights Reserved.
 */

package main

import (
	"io"
	"log"
	"net"
	"net/http"

	"golang.zx2c4.com/wireguard/conn"
	"golang.zx2c4.com/wireguard/device"
	"golang.zx2c4.com/wireguard/tun/netstack"
)

func main() {
	tun, tnet, err := netstack.CreateNetTUN(
		[]net.IP{net.ParseIP("192.168.4.29")},
		[]net.IP{net.ParseIP("8.8.8.8")},
		1420)
	if err != nil {
		log.Panic(err)
	}
	dev := device.NewDevice(tun, conn.NewDefaultBind(), device.NewLogger(device.LogLevelVerbose, ""))
	dev.IpcSet(`private_key=a8dac1d8a70a751f0f699fb14ba1cff7b79cf4fbd8f09f44c6e6a90d0369604f
public_key=25123c5dcd3328ff645e4f2a3fce0d754400d3887a0cb7c56f0267e20fbf3c5b
endpoint=163.172.161.0:12912
allowed_ip=0.0.0.0/0
`)
	err = dev.Up()
	if err != nil {
		log.Panic(err)
	}

	client := http.Client{
		Transport: &http.Transport{
			DialContext: tnet.DialContext,
		},
	}
	resp, err := client.Get("https://www.zx2c4.com/ip")
	if err != nil {
		log.Panic(err)
	}
	body, err := io.ReadAll(resp.Body)
	if err != nil {
		log.Panic(err)
	}
	log.Println(string(body))
}