feature: add feature to determine when to run wireguard userspace implementation or native one (linux)

iface/iface.go

@@ -2,52 +2,8 @@
 
 package iface
 
-import (
-	log "github.com/sirupsen/logrus"
-	"golang.zx2c4.com/wireguard/conn"
-	"golang.zx2c4.com/wireguard/device"
-	"golang.zx2c4.com/wireguard/tun"
-)
-
-// Saves tun device object - is it required?
-var tunIface tun.Device
-
 // Create Creates a new Wireguard interface, sets a given IP and brings it up.
 // Will reuse an existing one.
 func Create(iface string, address string) error {
-	var err error
-	tunIface, err = tun.CreateTUN(iface, defaultMTU)
-	if err != nil {
-		return err
-	}
-
-	// We need to create a wireguard-go device and listen to configuration requests
-	tunDevice := device.NewDevice(tunIface, conn.NewDefaultBind(), device.NewLogger(device.LogLevelSilent, "[wiretrustee] "))
-	err = tunDevice.Up()
-	if err != nil {
-		return err
-	}
-	uapi, err := getUAPI(iface)
-	if err != nil {
-		return err
-	}
-
-	go func() {
-		for {
-			uapiConn, err := uapi.Accept()
-			if err != nil {
-				log.Debugln(err)
-				return
-			}
-			go tunDevice.IpcHandle(uapiConn)
-		}
-	}()
-
-	log.Debugln("UAPI listener started")
-
-	err = assignAddr(address, tunIface)
-	if err != nil {
-		return err
-	}
-	return nil
+	return CreateInUserspace(iface, address)
 }