mirror of https://github.com/tailscale/tailscale/
control/controlclient: move direct_test back to corp repo.
It can only be built with corp deps anyway, and having it split from the control code makes our lives harder. Signed-off-by: David Anderson <danderson@tailscale.com>reviewable/pr417/r1
David Anderson
5 years ago
parent
7508b67c54
commit
7317e73bf4
@ -1,384 +0,0 @@
|
||||
// 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 depends_on_currently_unreleased
|
||||
|
||||
package controlclient
|
||||
|
||||
import (
|
||||
"context"
|
||||
"io/ioutil"
|
||||
"net/http"
|
||||
"net/http/cookiejar"
|
||||
"net/http/httptest"
|
||||
"os"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"github.com/klauspost/compress/zstd"
|
||||
"github.com/tailscale/wireguard-go/wgcfg"
|
||||
"tailscale.com/tailcfg"
|
||||
"tailscale.com/tstest"
|
||||
"tailscale.com/types/logger"
|
||||
"tailscale.io/control" // not yet released
|
||||
)
|
||||
|
||||
// Test that when there are two controlclient connections using the
|
||||
// same credentials, the later one disconnects the earlier one.
|
||||
func TestDirectReusingKeys(t *testing.T) {
|
||||
tstest.PanicOnLog()
|
||||
rc := tstest.NewResourceCheck()
|
||||
defer rc.Assert(t)
|
||||
|
||||
tmpdir, err := ioutil.TempDir("", "control-test-")
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
var server *control.Server
|
||||
httpsrv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
server.ServeHTTP(w, r)
|
||||
}))
|
||||
httpsrv.Config.ErrorLog = logger.StdLogger(t.Logf)
|
||||
defer func() {
|
||||
httpsrv.CloseClientConnections()
|
||||
httpsrv.Close()
|
||||
os.RemoveAll(tmpdir)
|
||||
}()
|
||||
|
||||
httpc := httpsrv.Client()
|
||||
httpc.Jar, err = cookiejar.New(nil)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
server, err = control.New(tmpdir, tmpdir, tmpdir, httpsrv.URL, true, t.Logf)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
server.QuietLogging = true
|
||||
defer server.Shutdown()
|
||||
|
||||
hi := NewHostinfo()
|
||||
hi.FrontendLogID = "go-test-only"
|
||||
hi.BackendLogID = "go-test-only"
|
||||
|
||||
// Let's test some nonempty extra hostinfo fields to make sure
|
||||
// the server can handle them.
|
||||
hi.RequestTags = []string{"tag:abc"}
|
||||
cidr, err := wgcfg.ParseCIDR("1.2.3.4/24")
|
||||
if err != nil {
|
||||
t.Fatalf("ParseCIDR: %v", err)
|
||||
}
|
||||
hi.RoutableIPs = []wgcfg.CIDR{cidr}
|
||||
hi.Services = []tailcfg.Service{
|
||||
{
|
||||
Proto: tailcfg.TCP,
|
||||
Port: 1234,
|
||||
Description: "Description",
|
||||
},
|
||||
}
|
||||
|
||||
c1, err := NewDirect(Options{
|
||||
ServerURL: httpsrv.URL,
|
||||
HTTPTestClient: httpsrv.Client(),
|
||||
//TimeNow: s.control.TimeNow,
|
||||
Logf: func(fmt string, args ...interface{}) {
|
||||
t.Helper()
|
||||
t.Logf("c1: "+fmt, args...)
|
||||
},
|
||||
Hostinfo: hi,
|
||||
})
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
// Use a cancelable context so that goroutines blocking in
|
||||
// PollNetMap shut down when the test exits.
|
||||
ctx, cancel := context.WithCancel(context.Background())
|
||||
defer cancel()
|
||||
|
||||
// Execute c1's login flow: TryLogin to get an auth URL,
|
||||
// postAuthURL to execute the (faked) OAuth segment of the flow,
|
||||
// and WaitLoginURL to complete the login on the client end.
|
||||
const user = "testuser1@tailscale.onmicrosoft.com"
|
||||
authURL, err := c1.TryLogin(ctx, nil, 0)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
postAuthURL(t, ctx, httpc, user, authURL)
|
||||
newURL, err := c1.WaitLoginURL(ctx, authURL)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if newURL != "" {
|
||||
t.Fatalf("unexpected newURL: %s", newURL)
|
||||
}
|
||||
|
||||
// Start c1's netmap poll in parallel with the rest of the
|
||||
// test. We're expecting it to block happily, invoking the no-op
|
||||
// update function periodically, then exit once c2 starts its own
|
||||
// poll below.
|
||||
gotNetmap := make(chan struct{}, 1)
|
||||
pollErrCh := make(chan error, 1)
|
||||
go func() {
|
||||
pollErrCh <- c1.PollNetMap(ctx, -1, func(netMap *NetworkMap) {
|
||||
select {
|
||||
case gotNetmap <- struct{}{}:
|
||||
default:
|
||||
}
|
||||
})
|
||||
}()
|
||||
|
||||
select {
|
||||
case <-gotNetmap:
|
||||
t.Logf("c1: received initial netmap")
|
||||
case err := <-pollErrCh:
|
||||
t.Fatal(err)
|
||||
case <-time.After(5 * time.Second):
|
||||
t.Fatal("c1 did not receive an initial netmap")
|
||||
}
|
||||
|
||||
// Connect c2, reusing c1's credentials. In other words, c2 *is*
|
||||
// c1 from the server's perspective.
|
||||
c2, err := NewDirect(Options{
|
||||
ServerURL: httpsrv.URL,
|
||||
HTTPTestClient: httpsrv.Client(),
|
||||
Logf: func(fmt string, args ...interface{}) {
|
||||
t.Helper()
|
||||
t.Logf("c2: "+fmt, args...)
|
||||
},
|
||||
Persist: c1.GetPersist(),
|
||||
Hostinfo: hi,
|
||||
NewDecompressor: func() (Decompressor, error) {
|
||||
return zstd.NewReader(nil,
|
||||
zstd.WithDecoderLowmem(true),
|
||||
zstd.WithDecoderConcurrency(1),
|
||||
zstd.WithDecoderMaxMemory(65536),
|
||||
)
|
||||
},
|
||||
KeepAlive: true,
|
||||
})
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
authURL, err = c2.TryLogin(ctx, nil, 0)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
// We don't expect to be given an authURL, our credentials from c1
|
||||
// should still be good.
|
||||
if authURL != "" {
|
||||
t.Errorf("unexpected authURL %s", authURL)
|
||||
}
|
||||
|
||||
// Request a single netmap, so this function returns promptly
|
||||
// instead of blocking like c1's PollNetMap.
|
||||
err = c2.PollNetMap(ctx, 1, func(netMap *NetworkMap) {})
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
// Now that c2 connected and got a netmap, we expect c1's poll to
|
||||
// have exited.
|
||||
select {
|
||||
case err := <-pollErrCh:
|
||||
t.Logf("c1: netmap poll aborted as expected (%v)", err)
|
||||
case <-time.After(5 * time.Second):
|
||||
t.Fatal("first client poll failed to close")
|
||||
}
|
||||
}
|
||||
|
||||
func TestDirectReusingOldKey(t *testing.T) {
|
||||
tstest.PanicOnLog()
|
||||
rc := tstest.NewResourceCheck()
|
||||
defer rc.Assert(t)
|
||||
|
||||
tmpdir, err := ioutil.TempDir("", "control-test-")
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
var server *control.Server
|
||||
httpsrv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
server.ServeHTTP(w, r)
|
||||
}))
|
||||
httpsrv.Config.ErrorLog = logger.StdLogger(t.Logf)
|
||||
defer func() {
|
||||
httpsrv.CloseClientConnections()
|
||||
httpsrv.Close()
|
||||
os.RemoveAll(tmpdir)
|
||||
}()
|
||||
|
||||
httpc := httpsrv.Client()
|
||||
httpc.Jar, err = cookiejar.New(nil)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
server, err = control.New(tmpdir, tmpdir, tmpdir, httpsrv.URL, true, t.Logf)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
server.QuietLogging = true
|
||||
defer server.Shutdown()
|
||||
|
||||
hi := NewHostinfo()
|
||||
hi.FrontendLogID = "go-test-only"
|
||||
hi.BackendLogID = "go-test-only"
|
||||
genOpts := func() Options {
|
||||
return Options{
|
||||
ServerURL: httpsrv.URL,
|
||||
HTTPTestClient: httpc,
|
||||
//TimeNow: s.control.TimeNow,
|
||||
Logf: func(fmt string, args ...interface{}) {
|
||||
t.Helper()
|
||||
t.Logf("c1: "+fmt, args...)
|
||||
},
|
||||
Hostinfo: hi,
|
||||
}
|
||||
}
|
||||
|
||||
// Login with a new node key. This requires authorization.
|
||||
c1, err := NewDirect(genOpts())
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
ctx, cancel := context.WithCancel(context.Background())
|
||||
defer cancel()
|
||||
authURL, err := c1.TryLogin(ctx, nil, 0)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
const user = "testuser1@tailscale.onmicrosoft.com"
|
||||
postAuthURL(t, ctx, httpc, user, authURL)
|
||||
newURL, err := c1.WaitLoginURL(ctx, authURL)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if newURL != "" {
|
||||
t.Fatalf("unexpected newURL: %s", newURL)
|
||||
}
|
||||
|
||||
if err := c1.PollNetMap(ctx, 1, func(netMap *NetworkMap) {}); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
newPrivKey := func(t *testing.T) wgcfg.PrivateKey {
|
||||
t.Helper()
|
||||
k, err := wgcfg.NewPrivateKey()
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
return k
|
||||
}
|
||||
|
||||
// Replace the previous key with a new key.
|
||||
persist1 := c1.GetPersist()
|
||||
persist2 := Persist{
|
||||
PrivateMachineKey: persist1.PrivateMachineKey,
|
||||
OldPrivateNodeKey: persist1.PrivateNodeKey,
|
||||
PrivateNodeKey: newPrivKey(t),
|
||||
}
|
||||
opts := genOpts()
|
||||
opts.Persist = persist2
|
||||
|
||||
c1, err = NewDirect(opts)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if authURL, err := c1.TryLogin(ctx, nil, 0); err != nil {
|
||||
t.Fatal(err)
|
||||
} else if authURL == "" {
|
||||
t.Fatal("expected authURL for reused oldNodeKey, got none")
|
||||
} else {
|
||||
postAuthURL(t, ctx, httpc, user, authURL)
|
||||
if newURL, err := c1.WaitLoginURL(ctx, authURL); err != nil {
|
||||
t.Fatal(err)
|
||||
} else if newURL != "" {
|
||||
t.Fatalf("unexpected newURL: %s", newURL)
|
||||
}
|
||||
}
|
||||
if p := c1.GetPersist(); p.PrivateNodeKey != opts.Persist.PrivateNodeKey {
|
||||
t.Error("unexpected node key change")
|
||||
} else {
|
||||
persist2 = p
|
||||
}
|
||||
|
||||
// Here we simulate a client using using old persistent data.
|
||||
// We use the key we have already replaced as the old node key.
|
||||
// This requires the user to authenticate.
|
||||
persist3 := Persist{
|
||||
PrivateMachineKey: persist1.PrivateMachineKey,
|
||||
OldPrivateNodeKey: persist1.PrivateNodeKey,
|
||||
PrivateNodeKey: newPrivKey(t),
|
||||
}
|
||||
opts = genOpts()
|
||||
opts.Persist = persist3
|
||||
|
||||
c1, err = NewDirect(opts)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if authURL, err := c1.TryLogin(ctx, nil, 0); err != nil {
|
||||
t.Fatal(err)
|
||||
} else if authURL == "" {
|
||||
t.Fatal("expected authURL for reused oldNodeKey, got none")
|
||||
} else {
|
||||
postAuthURL(t, ctx, httpc, user, authURL)
|
||||
if newURL, err := c1.WaitLoginURL(ctx, authURL); err != nil {
|
||||
t.Fatal(err)
|
||||
} else if newURL != "" {
|
||||
t.Fatalf("unexpected newURL: %s", newURL)
|
||||
}
|
||||
}
|
||||
if err := c1.PollNetMap(ctx, 1, func(netMap *NetworkMap) {}); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
// At this point, there should only be one node for the machine key
|
||||
// registered as active in the server.
|
||||
mkey := tailcfg.MachineKey(persist1.PrivateMachineKey.Public())
|
||||
nodeIDs, err := server.DB().MachineNodes(mkey)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if len(nodeIDs) != 1 {
|
||||
t.Logf("active nodes for machine key %v:", mkey)
|
||||
for i, nodeID := range nodeIDs {
|
||||
nodeKey := server.DB().NodeKey(nodeID)
|
||||
t.Logf("\tnode %d: id=%v, key=%v", i, nodeID, nodeKey)
|
||||
}
|
||||
t.Fatalf("want 1 active node for the client machine, got %d", len(nodeIDs))
|
||||
}
|
||||
|
||||
// Now try the previous node key. It should fail.
|
||||
opts = genOpts()
|
||||
opts.Persist = persist2
|
||||
c1, err = NewDirect(opts)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
// TODO(crawshaw): make this return an actual error.
|
||||
// Have cfgdb track expired keys, and when an expired key is reused
|
||||
// produce an error.
|
||||
if authURL, err := c1.TryLogin(ctx, nil, 0); err != nil {
|
||||
t.Fatal(err)
|
||||
} else if authURL == "" {
|
||||
t.Fatal("expected authURL for reused nodeKey, got none")
|
||||
} else {
|
||||
postAuthURL(t, ctx, httpc, user, authURL)
|
||||
if newURL, err := c1.WaitLoginURL(ctx, authURL); err != nil {
|
||||
t.Fatal(err)
|
||||
} else if newURL != "" {
|
||||
t.Fatalf("unexpected newURL: %s", newURL)
|
||||
}
|
||||
}
|
||||
if err := c1.PollNetMap(ctx, 1, func(netMap *NetworkMap) {}); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if nodeIDs, err := server.DB().MachineNodes(mkey); err != nil {
|
||||
t.Fatal(err)
|
||||
} else if len(nodeIDs) != 1 {
|
||||
t.Fatalf("want 1 active node for the client machine, got %d", len(nodeIDs))
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue