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33 lines
756 B
Go
33 lines
756 B
Go
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// 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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// +build windows freebsd openbsd darwin,amd64
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package portlist
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import (
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"fmt"
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"strings"
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exec "tailscale.com/tempfork/osexec"
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)
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func listPortsNetstat(arg string) (List, error) {
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exe, err := exec.LookPath("netstat")
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if err != nil {
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return nil, fmt.Errorf("netstat: lookup: %v", err)
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}
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output, err := exec.Command(exe, arg).Output()
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if err != nil {
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xe, ok := err.(*exec.ExitError)
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stderr := ""
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if ok {
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stderr = strings.TrimSpace(string(xe.Stderr))
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}
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return nil, fmt.Errorf("netstat: %v (%q)", err, stderr)
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}
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return parsePortsNetstat(string(output)), nil
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}
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