Make ipc cross platform

device/tun_windows.go

@@ -0,0 +1,25 @@
+//go:build windows
+
+package device
+
+import (
+	"errors"
+	"net"
+	"os"
+
+	"golang.zx2c4.com/wireguard/ipc"
+	"golang.zx2c4.com/wireguard/tun"
+)
+
+func CreateTUNFromFD(tunFd uint32, mtuInt int) (tun.Device, error) {
+	return nil, errors.New("CreateTUNFromFile not supported on Windows")
+}
+
+func UapiOpen(interfaceName string) (*os.File, error) {
+	return nil, nil
+}
+
+func UapiListen(interfaceName string, fileUAPI *os.File) (net.Listener, error) {
+	// On Windows, UAPIListen only takes one parameter
+	return ipc.UAPIListen(interfaceName)
+}