68 lines
2.3 KiB
Go
68 lines
2.3 KiB
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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package portlist
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import (
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"bufio"
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"bytes"
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"testing"
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"github.com/google/go-cmp/cmp"
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)
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func TestParsePorts(t *testing.T) {
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tests := []struct {
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name string
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in string
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want []Port
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}{
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{
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name: "empty",
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in: "header line (ignored)\n",
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want: nil,
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},
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{
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name: "ipv4",
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in: `header line
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0: 0100007F:0277 00000000:0000 0A 00000000:00000000 00:00000000 00000000 0 0 22303 1 0000000000000000 100 0 0 10 0
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1: 00000000:0016 00000000:0000 0A 00000000:00000000 00:00000000 00000000 0 0 34062 1 0000000000000000 100 0 0 10 0
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2: 5501A8C0:ADD4 B25E9536:01BB 01 00000000:00000000 02:00000B2B 00000000 1000 0 155276677 2 0000000000000000 22 4 30 10 -1
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`,
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want: []Port{
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{Proto: "tcp", Port: 22, inode: "socket:[34062]"},
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},
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},
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{
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name: "ipv6",
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in: ` sl local_address remote_address st tx_queue rx_queue tr tm->when retrnsmt uid timeout inode
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0: 00000000000000000000000001000000:0277 00000000000000000000000000000000:0000 0A 00000000:00000000 00:00000000 00000000 0 0 35720 1 0000000000000000 100 0 0 10 0
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1: 00000000000000000000000000000000:1F91 00000000000000000000000000000000:0000 0A 00000000:00000000 00:00000000 00000000 1000 0 142240557 1 0000000000000000 100 0 0 10 0
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2: 00000000000000000000000000000000:0016 00000000000000000000000000000000:0000 0A 00000000:00000000 00:00000000 00000000 0 0 34064 1 0000000000000000 100 0 0 10 0
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3: 69050120005716BC64906EBE009ECD4D:D506 0047062600000000000000006E171268:01BB 01 00000000:00000000 02:0000009E 00000000 1000 0 151042856 2 0000000000000000 21 4 28 10 -1
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`,
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want: []Port{
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{Proto: "tcp", Port: 8081, inode: "socket:[142240557]"},
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{Proto: "tcp", Port: 22, inode: "socket:[34064]"},
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},
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},
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}
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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buf := bytes.NewBufferString(test.in)
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r := bufio.NewReader(buf)
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got, err := parsePorts(r, "tcp")
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if err != nil {
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t.Fatal(err)
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}
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if diff := cmp.Diff(got, test.want, cmp.AllowUnexported(Port{})); diff != "" {
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t.Errorf("unexpected parsed ports (-got+want):\n%s", diff)
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}
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})
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}
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}
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