mirror of
https://github.com/tailscale/tailscale.git
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0590ad68be
The tests cheat at filling out web forms by directly POSTing to the target. The target for authURLs has changed slightly, the base authURL now redirects the user to the login page. Additionally, the authURL cycle now checks the cookie is set correctly, so we add cookie jars where necessary to pass the cookie through.
317 lines
7.7 KiB
Go
317 lines
7.7 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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// +build depends_on_currently_unreleased
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package controlclient
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import (
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"context"
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"io/ioutil"
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"net/http"
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"net/http/cookiejar"
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"net/http/httptest"
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"os"
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"testing"
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"time"
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"github.com/klauspost/compress/zstd"
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"github.com/tailscale/wireguard-go/wgcfg"
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"tailscale.com/tailcfg"
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"tailscale.io/control" // not yet released
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)
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func TestClientsReusingKeys(t *testing.T) {
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tmpdir, err := ioutil.TempDir("", "control-test-")
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if err != nil {
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t.Fatal(err)
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}
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var server *control.Server
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httpsrv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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server.ServeHTTP(w, r)
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}))
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httpc := httpsrv.Client()
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httpc.Jar, err = cookiejar.New(nil)
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if err != nil {
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t.Fatal(err)
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}
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server, err = control.New(tmpdir, tmpdir, httpsrv.URL, true)
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if err != nil {
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t.Fatal(err)
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}
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server.QuietLogging = true
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defer func() {
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httpsrv.CloseClientConnections()
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httpsrv.Close()
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os.RemoveAll(tmpdir)
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}()
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hi := NewHostinfo()
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hi.FrontendLogID = "go-test-only"
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hi.BackendLogID = "go-test-only"
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c1, err := NewDirect(Options{
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ServerURL: httpsrv.URL,
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HTTPC: httpsrv.Client(),
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//TimeNow: s.control.TimeNow,
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Logf: func(fmt string, args ...interface{}) {
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t.Helper()
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t.Logf("c1: "+fmt, args...)
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},
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Hostinfo: hi,
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})
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if err != nil {
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t.Fatal(err)
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}
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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authURL, err := c1.TryLogin(ctx, nil, 0)
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if err != nil {
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t.Fatal(err)
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}
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const user = "testuser1@tailscale.onmicrosoft.com"
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postAuthURL(t, ctx, httpc, user, authURL)
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newURL, err := c1.WaitLoginURL(ctx, authURL)
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if err != nil {
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t.Fatal(err)
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}
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if newURL != "" {
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t.Fatalf("unexpected newURL: %s", newURL)
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}
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pollErrCh := make(chan error)
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go func() {
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err := c1.PollNetMap(ctx, -1, func(netMap *NetworkMap) {})
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pollErrCh <- err
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}()
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select {
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case err := <-pollErrCh:
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t.Fatal(err)
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default:
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}
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c2, err := NewDirect(Options{
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ServerURL: httpsrv.URL,
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HTTPC: httpsrv.Client(),
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Logf: func(fmt string, args ...interface{}) {
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t.Helper()
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t.Logf("c2: "+fmt, args...)
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},
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Persist: c1.GetPersist(),
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Hostinfo: hi,
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NewDecompressor: func() (Decompressor, error) {
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return zstd.NewReader(nil)
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},
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KeepAlive: true,
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})
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if err != nil {
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t.Fatal(err)
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}
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authURL, err = c2.TryLogin(ctx, nil, 0)
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if err != nil {
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t.Fatal(err)
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}
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if authURL != "" {
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t.Errorf("unexpected authURL %s", authURL)
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}
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err = c2.PollNetMap(ctx, 1, func(netMap *NetworkMap) {})
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if err != nil {
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t.Fatal(err)
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}
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select {
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case err := <-pollErrCh:
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t.Logf("expected poll error: %v", err)
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case <-time.After(5 * time.Second):
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t.Fatal("first client poll failed to close")
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}
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}
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func TestClientsReusingOldKey(t *testing.T) {
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tmpdir, err := ioutil.TempDir("", "control-test-")
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if err != nil {
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t.Fatal(err)
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}
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var server *control.Server
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httpsrv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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server.ServeHTTP(w, r)
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}))
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httpc := httpsrv.Client()
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httpc.Jar, err = cookiejar.New(nil)
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if err != nil {
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t.Fatal(err)
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}
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server, err = control.New(tmpdir, tmpdir, httpsrv.URL, true)
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if err != nil {
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t.Fatal(err)
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}
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server.QuietLogging = true
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defer func() {
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httpsrv.CloseClientConnections()
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httpsrv.Close()
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os.RemoveAll(tmpdir)
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}()
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hi := NewHostinfo()
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hi.FrontendLogID = "go-test-only"
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hi.BackendLogID = "go-test-only"
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genOpts := func() Options {
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return Options{
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ServerURL: httpsrv.URL,
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HTTPC: httpc,
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//TimeNow: s.control.TimeNow,
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Logf: func(fmt string, args ...interface{}) {
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t.Helper()
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t.Logf("c1: "+fmt, args...)
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},
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Hostinfo: hi,
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}
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}
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// Login with a new node key. This requires authorization.
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c1, err := NewDirect(genOpts())
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if err != nil {
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t.Fatal(err)
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}
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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authURL, err := c1.TryLogin(ctx, nil, 0)
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if err != nil {
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t.Fatal(err)
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}
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const user = "testuser1@tailscale.onmicrosoft.com"
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postAuthURL(t, ctx, httpc, user, authURL)
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newURL, err := c1.WaitLoginURL(ctx, authURL)
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if err != nil {
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t.Fatal(err)
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}
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if newURL != "" {
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t.Fatalf("unexpected newURL: %s", newURL)
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}
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if err := c1.PollNetMap(ctx, 1, func(netMap *NetworkMap) {}); err != nil {
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t.Fatal(err)
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}
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newPrivKey := func(t *testing.T) wgcfg.PrivateKey {
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t.Helper()
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k, err := wgcfg.NewPrivateKey()
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if err != nil {
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t.Fatal(err)
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}
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return k
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}
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// Replace the previous key with a new key.
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persist1 := c1.GetPersist()
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persist2 := Persist{
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PrivateMachineKey: persist1.PrivateMachineKey,
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OldPrivateNodeKey: persist1.PrivateNodeKey,
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PrivateNodeKey: newPrivKey(t),
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}
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opts := genOpts()
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opts.Persist = persist2
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c1, err = NewDirect(opts)
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if err != nil {
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t.Fatal(err)
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}
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if authURL, err := c1.TryLogin(ctx, nil, 0); err != nil {
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t.Fatal(err)
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} else if authURL == "" {
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t.Fatal("expected authURL for reused oldNodeKey, got none")
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} else {
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postAuthURL(t, ctx, httpc, user, authURL)
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if newURL, err := c1.WaitLoginURL(ctx, authURL); err != nil {
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t.Fatal(err)
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} else if newURL != "" {
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t.Fatalf("unexpected newURL: %s", newURL)
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}
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}
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if p := c1.GetPersist(); p.PrivateNodeKey != opts.Persist.PrivateNodeKey {
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t.Error("unexpected node key change")
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} else {
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persist2 = p
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}
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// Here we simulate a client using using old persistent data.
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// We use the key we have already replaced as the old node key.
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// This requires the user to authenticate.
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persist3 := Persist{
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PrivateMachineKey: persist1.PrivateMachineKey,
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OldPrivateNodeKey: persist1.PrivateNodeKey,
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PrivateNodeKey: newPrivKey(t),
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}
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opts = genOpts()
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opts.Persist = persist3
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c1, err = NewDirect(opts)
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if err != nil {
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t.Fatal(err)
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}
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if authURL, err := c1.TryLogin(ctx, nil, 0); err != nil {
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t.Fatal(err)
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} else if authURL == "" {
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t.Fatal("expected authURL for reused oldNodeKey, got none")
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} else {
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postAuthURL(t, ctx, httpc, user, authURL)
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if newURL, err := c1.WaitLoginURL(ctx, authURL); err != nil {
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t.Fatal(err)
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} else if newURL != "" {
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t.Fatalf("unexpected newURL: %s", newURL)
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}
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}
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if err := c1.PollNetMap(ctx, 1, func(netMap *NetworkMap) {}); err != nil {
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t.Fatal(err)
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}
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// At this point, there should only be one node for the machine key
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// registered as active in the server.
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mkey := tailcfg.MachineKey(persist1.PrivateMachineKey.Public())
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nodeIDs, err := server.DB().MachineNodes(mkey)
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if err != nil {
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t.Fatal(err)
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}
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if len(nodeIDs) != 1 {
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t.Logf("active nodes for machine key %v:", mkey)
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for i, nodeID := range nodeIDs {
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nodeKey := server.DB().NodeKey(nodeID)
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t.Logf("\tnode %d: id=%v, key=%v", i, nodeID, nodeKey)
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}
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t.Fatalf("want 1 active node for the client machine, got %d", len(nodeIDs))
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}
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// Now try the previous node key. It should fail.
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opts = genOpts()
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opts.Persist = persist2
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c1, err = NewDirect(opts)
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if err != nil {
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t.Fatal(err)
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}
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// TODO(crawshaw): make this return an actual error.
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// Have cfgdb track expired keys, and when an expired key is reused
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// produce an error.
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if authURL, err := c1.TryLogin(ctx, nil, 0); err != nil {
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t.Fatal(err)
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} else if authURL == "" {
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t.Fatal("expected authURL for reused nodeKey, got none")
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} else {
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postAuthURL(t, ctx, httpc, user, authURL)
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if newURL, err := c1.WaitLoginURL(ctx, authURL); err != nil {
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t.Fatal(err)
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} else if newURL != "" {
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t.Fatalf("unexpected newURL: %s", newURL)
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}
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}
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if err := c1.PollNetMap(ctx, 1, func(netMap *NetworkMap) {}); err != nil {
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t.Fatal(err)
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}
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if nodeIDs, err := server.DB().MachineNodes(mkey); err != nil {
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t.Fatal(err)
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} else if len(nodeIDs) != 1 {
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t.Fatalf("want 1 active node for the client machine, got %d", len(nodeIDs))
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}
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}
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