mirror of
https://github.com/tailscale/tailscale.git
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26b6fe7f02
This adds a PCP test to the IGD test server, by hardcoding in a few observed packets from Denton's box. Signed-off-by: julianknodt <julianknodt@gmail.com>
126 lines
3.0 KiB
Go
126 lines
3.0 KiB
Go
// Copyright (c) 2021 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 portmapper
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import (
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"context"
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"os"
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"reflect"
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"strconv"
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"testing"
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"time"
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)
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func TestCreateOrGetMapping(t *testing.T) {
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if v, _ := strconv.ParseBool(os.Getenv("HIT_NETWORK")); !v {
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t.Skip("skipping test without HIT_NETWORK=1")
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}
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c := NewClient(t.Logf, nil)
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defer c.Close()
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c.SetLocalPort(1234)
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for i := 0; i < 2; i++ {
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if i > 0 {
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time.Sleep(100 * time.Millisecond)
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}
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ext, err := c.createOrGetMapping(context.Background())
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t.Logf("Got: %v, %v", ext, err)
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}
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}
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func TestClientProbe(t *testing.T) {
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if v, _ := strconv.ParseBool(os.Getenv("HIT_NETWORK")); !v {
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t.Skip("skipping test without HIT_NETWORK=1")
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}
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c := NewClient(t.Logf, nil)
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defer c.Close()
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for i := 0; i < 3; i++ {
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if i > 0 {
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time.Sleep(100 * time.Millisecond)
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}
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res, err := c.Probe(context.Background())
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t.Logf("Got(t=%dms): %+v, %v", i*100, res, err)
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}
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}
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func TestClientProbeThenMap(t *testing.T) {
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if v, _ := strconv.ParseBool(os.Getenv("HIT_NETWORK")); !v {
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t.Skip("skipping test without HIT_NETWORK=1")
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}
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c := NewClient(t.Logf, nil)
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defer c.Close()
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c.SetLocalPort(1234)
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res, err := c.Probe(context.Background())
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t.Logf("Probe: %+v, %v", res, err)
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ext, err := c.createOrGetMapping(context.Background())
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t.Logf("createOrGetMapping: %v, %v", ext, err)
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}
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func TestProbeIntegration(t *testing.T) {
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igd, err := NewTestIGD(t.Logf, TestIGDOptions{PMP: true, PCP: true, UPnP: true})
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if err != nil {
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t.Fatal(err)
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}
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defer igd.Close()
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c := newTestClient(t, igd)
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t.Logf("Listening on pxp=%v, upnp=%v", c.testPxPPort, c.testUPnPPort)
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defer c.Close()
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res, err := c.Probe(context.Background())
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if err != nil {
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t.Fatalf("Probe: %v", err)
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}
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if !res.UPnP {
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t.Errorf("didn't detect UPnP")
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}
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st := igd.stats()
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want := igdCounters{
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numUPnPDiscoRecv: 1,
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numPMPRecv: 1,
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numPCPRecv: 1,
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numPCPDiscoRecv: 1,
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numPMPPublicAddrRecv: 1,
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}
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if !reflect.DeepEqual(st, want) {
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t.Errorf("unexpected stats:\n got: %+v\nwant: %+v", st, want)
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}
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t.Logf("Probe: %+v", res)
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t.Logf("IGD stats: %+v", st)
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// TODO(bradfitz): finish
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}
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func TestPCPIntegration(t *testing.T) {
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igd, err := NewTestIGD(t.Logf, TestIGDOptions{PMP: false, PCP: true, UPnP: false})
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if err != nil {
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t.Fatal(err)
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}
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defer igd.Close()
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c := newTestClient(t, igd)
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defer c.Close()
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res, err := c.Probe(context.Background())
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if err != nil {
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t.Fatalf("probe failed: %v", err)
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}
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if res.UPnP || res.PMP {
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t.Errorf("probe unexpectedly saw upnp or pmp: %+v", res)
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}
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if !res.PCP {
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t.Fatalf("probe did not see pcp: %+v", res)
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}
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external, err := c.createOrGetMapping(context.Background())
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if err != nil {
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t.Fatalf("failed to get mapping: %v", err)
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}
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if external.IsZero() {
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t.Errorf("got zero IP, expected non-zero")
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}
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if c.mapping == nil {
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t.Errorf("got nil mapping after successful createOrGetMapping")
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}
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}
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