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