// Copyright (c) 2020 Tailscale Inc & AUTHORS All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package portlist import ( "os/exec" "syscall" "time" "golang.org/x/sys/windows" ) // Forking on Windows is insanely expensive, so don't do it too often. const pollInterval = 5 * time.Second func listPorts() (List, error) { // TODO(bradfitz): stop shelling out to netstat and use the // net/netstat package instead. When doing so, be sure to filter // out all of 127.0.0.0/8 and not just 127.0.0.1. return listPortsNetstat("-na") } func addProcesses(pl []Port) ([]Port, error) { //lint:ignore SA1019 OpenCurrentProcessToken instead of GetCurrentProcessToken, // as GetCurrentProcessToken only works on Windows 8+. tok, err := windows.OpenCurrentProcessToken() if err != nil { return nil, err } defer tok.Close() if !tok.IsElevated() { return listPortsNetstat("-na") } return listPortsNetstat("-nab") } func init() { osHideWindow = func(c *exec.Cmd) { c.SysProcAttr = &syscall.SysProcAttr{HideWindow: true} } }