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/* SPDX-License-Identifier: MIT
*
* Copyright (C) 2017-2021 WireGuard LLC. All Rights Reserved.
*/
package main
import (
"fmt"
"os"
"os/signal"
"syscall"
"golang.zx2c4.com/wireguard/conn"
"golang.zx2c4.com/wireguard/device"
"golang.zx2c4.com/wireguard/ipc"
"golang.zx2c4.com/wireguard/tun"
)
const (
ExitSetupSuccess = 0
ExitSetupFailed = 1
)
func main() {
if len(os.Args) != 2 {
os.Exit(ExitSetupFailed)
}
interfaceName := os.Args[1]
fmt.Fprintln(os.Stderr, "Warning: this is a test program for Windows, mainly used for debugging this Go package. For a real WireGuard for Windows client, the repo you want is <https://git.zx2c4.com/wireguard-windows/>, which includes this code as a module.")
logger := device.NewLogger(
device.LogLevelVerbose,
fmt.Sprintf("(%s) ", interfaceName),
)
logger.Verbosef("Starting wireguard-go version %s", Version)
tun, err := tun.CreateTUN(interfaceName, 0)
if err == nil {
realInterfaceName, err2 := tun.Name()
if err2 == nil {
interfaceName = realInterfaceName
}
} else {
logger.Errorf("Failed to create TUN device: %v", err)
os.Exit(ExitSetupFailed)
}
device := device.NewDevice(tun, conn.NewDefaultBind(), logger)
err = device.Up()
if err != nil {
logger.Errorf("Failed to bring up device: %v", err)
os.Exit(ExitSetupFailed)
}
logger.Verbosef("Device started")
uapi, err := ipc.UAPIListen(interfaceName)
if err != nil {
logger.Errorf("Failed to listen on uapi socket: %v", err)
os.Exit(ExitSetupFailed)
}
errs := make(chan error)
term := make(chan os.Signal, 1)
go func() {
for {
conn, err := uapi.Accept()
if err != nil {
errs <- err
return
}
go device.IpcHandle(conn)
}
}()
logger.Verbosef("UAPI listener started")
// wait for program to terminate
signal.Notify(term, os.Interrupt)
signal.Notify(term, os.Kill)
signal.Notify(term, syscall.SIGTERM)
select {
case <-term:
case <-errs:
case <-device.Wait():
}
// clean up
uapi.Close()
device.Close()
logger.Verbosef("Shutting down")
}