mirror of
https://github.com/tailscale/tailscale.git
synced 2024-11-29 13:05:46 +00:00
33 lines
756 B
Go
33 lines
756 B
Go
|
// 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.
|
||
|
|
|
||
|
|
// +build windows freebsd openbsd darwin,amd64
|
||
|
|
|
||
|
|
package portlist
|
||
|
|
|
||
|
|
import (
|
||
|
|
"fmt"
|
||
|
|
"strings"
|
||
|
|
|
||
|
|
exec "tailscale.com/tempfork/osexec"
|
||
|
|
)
|
||
|
|
|
||
|
|
func listPortsNetstat(arg string) (List, error) {
|
||
|
|
exe, err := exec.LookPath("netstat")
|
||
|
|
if err != nil {
|
||
|
|
return nil, fmt.Errorf("netstat: lookup: %v", err)
|
||
|
|
}
|
||
|
|
output, err := exec.Command(exe, arg).Output()
|
||
|
|
if err != nil {
|
||
|
|
xe, ok := err.(*exec.ExitError)
|
||
|
|
stderr := ""
|
||
|
|
if ok {
|
||
|
|
stderr = strings.TrimSpace(string(xe.Stderr))
|
||
|
|
}
|
||
|
|
return nil, fmt.Errorf("netstat: %v (%q)", err, stderr)
|
||
|
|
}
|
||
|
|
|
||
|
|
return parsePortsNetstat(string(output)), nil
|
||
|
|
}
|