mirror of
https://git.zx2c4.com/wireguard-go
synced 2024-11-15 09:15:14 +01:00
92 lines
1.6 KiB
Go
92 lines
1.6 KiB
Go
/* SPDX-License-Identifier: MIT
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*
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* Copyright (C) 2017-2019 WireGuard LLC. All Rights Reserved.
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*/
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package main
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import (
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"fmt"
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"golang.zx2c4.com/wireguard/device"
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"golang.zx2c4.com/wireguard/ipc"
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"os"
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"os/signal"
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"syscall"
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"golang.zx2c4.com/wireguard/tun"
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)
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const (
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ExitSetupSuccess = 0
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ExitSetupFailed = 1
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)
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func main() {
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if len(os.Args) != 2 {
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os.Exit(ExitSetupFailed)
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}
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interfaceName := os.Args[1]
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logger := device.NewLogger(
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device.LogLevelDebug,
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fmt.Sprintf("(%s) ", interfaceName),
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)
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logger.Info.Println("Starting wireguard-go version", WireGuardGoVersion)
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logger.Debug.Println("Debug log enabled")
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tun, err := tun.CreateTUN(interfaceName)
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if err == nil {
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realInterfaceName, err2 := tun.Name()
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if err2 == nil {
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interfaceName = realInterfaceName
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}
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} else {
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logger.Error.Println("Failed to create TUN device:", err)
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os.Exit(ExitSetupFailed)
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}
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device := device.NewDevice(tun, logger)
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device.Up()
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logger.Info.Println("Device started")
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uapi, err := ipc.UAPIListen(interfaceName)
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if err != nil {
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logger.Error.Println("Failed to listen on uapi socket:", err)
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os.Exit(ExitSetupFailed)
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}
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errs := make(chan error)
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term := make(chan os.Signal, 1)
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go func() {
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for {
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conn, err := uapi.Accept()
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if err != nil {
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errs <- err
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return
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}
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go device.IpcHandle(conn)
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}
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}()
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logger.Info.Println("UAPI listener started")
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// wait for program to terminate
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signal.Notify(term, os.Interrupt)
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signal.Notify(term, os.Kill)
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signal.Notify(term, syscall.SIGTERM)
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select {
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case <-term:
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case <-errs:
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case <-device.Wait():
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}
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// clean up
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uapi.Close()
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device.Close()
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logger.Info.Println("Shutting down")
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}
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