mirror of https://github.com/tailscale/tailscale/
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
598 lines
14 KiB
Go
598 lines
14 KiB
Go
// Copyright (c) 2021 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.
|
|
|
|
package ipnlocal
|
|
|
|
import (
|
|
"fmt"
|
|
"net"
|
|
"net/http"
|
|
"reflect"
|
|
"testing"
|
|
"time"
|
|
|
|
"inet.af/netaddr"
|
|
"tailscale.com/ipn"
|
|
"tailscale.com/net/interfaces"
|
|
"tailscale.com/net/tsaddr"
|
|
"tailscale.com/tailcfg"
|
|
"tailscale.com/types/logger"
|
|
"tailscale.com/types/netmap"
|
|
"tailscale.com/wgengine"
|
|
"tailscale.com/wgengine/wgcfg"
|
|
)
|
|
|
|
func TestNetworkMapCompare(t *testing.T) {
|
|
prefix1, err := netaddr.ParseIPPrefix("192.168.0.0/24")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
node1 := &tailcfg.Node{Addresses: []netaddr.IPPrefix{prefix1}}
|
|
|
|
prefix2, err := netaddr.ParseIPPrefix("10.0.0.0/8")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
node2 := &tailcfg.Node{Addresses: []netaddr.IPPrefix{prefix2}}
|
|
|
|
tests := []struct {
|
|
name string
|
|
a, b *netmap.NetworkMap
|
|
want bool
|
|
}{
|
|
{
|
|
"both nil",
|
|
nil,
|
|
nil,
|
|
true,
|
|
},
|
|
{
|
|
"b nil",
|
|
&netmap.NetworkMap{},
|
|
nil,
|
|
false,
|
|
},
|
|
{
|
|
"a nil",
|
|
nil,
|
|
&netmap.NetworkMap{},
|
|
false,
|
|
},
|
|
{
|
|
"both default",
|
|
&netmap.NetworkMap{},
|
|
&netmap.NetworkMap{},
|
|
true,
|
|
},
|
|
{
|
|
"names identical",
|
|
&netmap.NetworkMap{Name: "map1"},
|
|
&netmap.NetworkMap{Name: "map1"},
|
|
true,
|
|
},
|
|
{
|
|
"names differ",
|
|
&netmap.NetworkMap{Name: "map1"},
|
|
&netmap.NetworkMap{Name: "map2"},
|
|
false,
|
|
},
|
|
{
|
|
"Peers identical",
|
|
&netmap.NetworkMap{Peers: []*tailcfg.Node{}},
|
|
&netmap.NetworkMap{Peers: []*tailcfg.Node{}},
|
|
true,
|
|
},
|
|
{
|
|
"Peer list length",
|
|
// length of Peers list differs
|
|
&netmap.NetworkMap{Peers: []*tailcfg.Node{{}}},
|
|
&netmap.NetworkMap{Peers: []*tailcfg.Node{}},
|
|
false,
|
|
},
|
|
{
|
|
"Node names identical",
|
|
&netmap.NetworkMap{Peers: []*tailcfg.Node{&tailcfg.Node{Name: "A"}}},
|
|
&netmap.NetworkMap{Peers: []*tailcfg.Node{&tailcfg.Node{Name: "A"}}},
|
|
true,
|
|
},
|
|
{
|
|
"Node names differ",
|
|
&netmap.NetworkMap{Peers: []*tailcfg.Node{&tailcfg.Node{Name: "A"}}},
|
|
&netmap.NetworkMap{Peers: []*tailcfg.Node{&tailcfg.Node{Name: "B"}}},
|
|
false,
|
|
},
|
|
{
|
|
"Node lists identical",
|
|
&netmap.NetworkMap{Peers: []*tailcfg.Node{node1, node1}},
|
|
&netmap.NetworkMap{Peers: []*tailcfg.Node{node1, node1}},
|
|
true,
|
|
},
|
|
{
|
|
"Node lists differ",
|
|
&netmap.NetworkMap{Peers: []*tailcfg.Node{node1, node1}},
|
|
&netmap.NetworkMap{Peers: []*tailcfg.Node{node1, node2}},
|
|
false,
|
|
},
|
|
{
|
|
"Node Users differ",
|
|
// User field is not checked.
|
|
&netmap.NetworkMap{Peers: []*tailcfg.Node{&tailcfg.Node{User: 0}}},
|
|
&netmap.NetworkMap{Peers: []*tailcfg.Node{&tailcfg.Node{User: 1}}},
|
|
true,
|
|
},
|
|
}
|
|
for _, tt := range tests {
|
|
got := dnsMapsEqual(tt.a, tt.b)
|
|
if got != tt.want {
|
|
t.Errorf("%s: Equal = %v; want %v", tt.name, got, tt.want)
|
|
}
|
|
}
|
|
}
|
|
|
|
func inRemove(ip netaddr.IP) bool {
|
|
for _, pfx := range removeFromDefaultRoute {
|
|
if pfx.Contains(ip) {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
func TestShrinkDefaultRoute(t *testing.T) {
|
|
tests := []struct {
|
|
route string
|
|
in []string
|
|
out []string
|
|
localIPFn func(netaddr.IP) bool // true if this machine's local IP address should be "in" after shrinking.
|
|
}{
|
|
{
|
|
route: "0.0.0.0/0",
|
|
in: []string{"1.2.3.4", "25.0.0.1"},
|
|
out: []string{
|
|
"10.0.0.1",
|
|
"10.255.255.255",
|
|
"192.168.0.1",
|
|
"192.168.255.255",
|
|
"172.16.0.1",
|
|
"172.31.255.255",
|
|
"100.101.102.103",
|
|
"224.0.0.1",
|
|
"169.254.169.254",
|
|
// Some random IPv6 stuff that shouldn't be in a v4
|
|
// default route.
|
|
"fe80::",
|
|
"2601::1",
|
|
},
|
|
localIPFn: func(ip netaddr.IP) bool { return !inRemove(ip) && ip.Is4() },
|
|
},
|
|
{
|
|
route: "::/0",
|
|
in: []string{"::1", "2601::1"},
|
|
out: []string{
|
|
"fe80::1",
|
|
"ff00::1",
|
|
tsaddr.TailscaleULARange().IP().String(),
|
|
},
|
|
localIPFn: func(ip netaddr.IP) bool { return !inRemove(ip) && ip.Is6() },
|
|
},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
def := netaddr.MustParseIPPrefix(test.route)
|
|
got, err := shrinkDefaultRoute(def)
|
|
if err != nil {
|
|
t.Fatalf("shrinkDefaultRoute(%q): %v", test.route, err)
|
|
}
|
|
for _, ip := range test.in {
|
|
if !got.Contains(netaddr.MustParseIP(ip)) {
|
|
t.Errorf("shrink(%q).Contains(%v) = false, want true", test.route, ip)
|
|
}
|
|
}
|
|
for _, ip := range test.out {
|
|
if got.Contains(netaddr.MustParseIP(ip)) {
|
|
t.Errorf("shrink(%q).Contains(%v) = true, want false", test.route, ip)
|
|
}
|
|
}
|
|
ips, _, err := interfaces.LocalAddresses()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
for _, ip := range ips {
|
|
want := test.localIPFn(ip)
|
|
if gotContains := got.Contains(ip); gotContains != want {
|
|
t.Errorf("shrink(%q).Contains(%v) = %v, want %v", test.route, ip, gotContains, want)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestPeerRoutes(t *testing.T) {
|
|
pp := netaddr.MustParseIPPrefix
|
|
tests := []struct {
|
|
name string
|
|
peers []wgcfg.Peer
|
|
want []netaddr.IPPrefix
|
|
}{
|
|
{
|
|
name: "small_v4",
|
|
peers: []wgcfg.Peer{
|
|
{
|
|
AllowedIPs: []netaddr.IPPrefix{
|
|
pp("100.101.102.103/32"),
|
|
},
|
|
},
|
|
},
|
|
want: []netaddr.IPPrefix{
|
|
pp("100.101.102.103/32"),
|
|
},
|
|
},
|
|
{
|
|
name: "big_v4",
|
|
peers: []wgcfg.Peer{
|
|
{
|
|
AllowedIPs: []netaddr.IPPrefix{
|
|
pp("100.101.102.103/32"),
|
|
pp("100.101.102.104/32"),
|
|
pp("100.101.102.105/32"),
|
|
},
|
|
},
|
|
},
|
|
want: []netaddr.IPPrefix{
|
|
pp("100.64.0.0/10"),
|
|
},
|
|
},
|
|
{
|
|
name: "has_1_v6",
|
|
peers: []wgcfg.Peer{
|
|
{
|
|
AllowedIPs: []netaddr.IPPrefix{
|
|
pp("fd7a:115c:a1e0:ab12:4843:cd96:6258:b240/128"),
|
|
},
|
|
},
|
|
},
|
|
want: []netaddr.IPPrefix{
|
|
pp("fd7a:115c:a1e0::/48"),
|
|
},
|
|
},
|
|
{
|
|
name: "has_2_v6",
|
|
peers: []wgcfg.Peer{
|
|
{
|
|
AllowedIPs: []netaddr.IPPrefix{
|
|
pp("fd7a:115c:a1e0:ab12:4843:cd96:6258:b240/128"),
|
|
pp("fd7a:115c:a1e0:ab12:4843:cd96:6258:b241/128"),
|
|
},
|
|
},
|
|
},
|
|
want: []netaddr.IPPrefix{
|
|
pp("fd7a:115c:a1e0::/48"),
|
|
},
|
|
},
|
|
{
|
|
name: "big_v4_big_v6",
|
|
peers: []wgcfg.Peer{
|
|
{
|
|
AllowedIPs: []netaddr.IPPrefix{
|
|
pp("100.101.102.103/32"),
|
|
pp("100.101.102.104/32"),
|
|
pp("100.101.102.105/32"),
|
|
pp("fd7a:115c:a1e0:ab12:4843:cd96:6258:b240/128"),
|
|
pp("fd7a:115c:a1e0:ab12:4843:cd96:6258:b241/128"),
|
|
},
|
|
},
|
|
},
|
|
want: []netaddr.IPPrefix{
|
|
pp("fd7a:115c:a1e0::/48"),
|
|
pp("100.64.0.0/10"),
|
|
},
|
|
},
|
|
}
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
got := peerRoutes(tt.peers, 2)
|
|
if !reflect.DeepEqual(got, tt.want) {
|
|
t.Errorf("got = %v; want %v", got, tt.want)
|
|
}
|
|
})
|
|
}
|
|
|
|
}
|
|
|
|
func TestPeerAPIBase(t *testing.T) {
|
|
tests := []struct {
|
|
name string
|
|
nm *netmap.NetworkMap
|
|
peer *tailcfg.Node
|
|
want string
|
|
}{
|
|
{
|
|
name: "nil_netmap",
|
|
peer: new(tailcfg.Node),
|
|
want: "",
|
|
},
|
|
{
|
|
name: "nil_peer",
|
|
nm: new(netmap.NetworkMap),
|
|
want: "",
|
|
},
|
|
{
|
|
name: "self_only_4_them_both",
|
|
nm: &netmap.NetworkMap{
|
|
Addresses: []netaddr.IPPrefix{
|
|
netaddr.MustParseIPPrefix("100.64.1.1/32"),
|
|
},
|
|
},
|
|
peer: &tailcfg.Node{
|
|
Addresses: []netaddr.IPPrefix{
|
|
netaddr.MustParseIPPrefix("100.64.1.2/32"),
|
|
netaddr.MustParseIPPrefix("fe70::2/128"),
|
|
},
|
|
Hostinfo: tailcfg.Hostinfo{
|
|
Services: []tailcfg.Service{
|
|
{Proto: "peerapi4", Port: 444},
|
|
{Proto: "peerapi6", Port: 666},
|
|
},
|
|
},
|
|
},
|
|
want: "http://100.64.1.2:444",
|
|
},
|
|
{
|
|
name: "self_only_6_them_both",
|
|
nm: &netmap.NetworkMap{
|
|
Addresses: []netaddr.IPPrefix{
|
|
netaddr.MustParseIPPrefix("fe70::1/128"),
|
|
},
|
|
},
|
|
peer: &tailcfg.Node{
|
|
Addresses: []netaddr.IPPrefix{
|
|
netaddr.MustParseIPPrefix("100.64.1.2/32"),
|
|
netaddr.MustParseIPPrefix("fe70::2/128"),
|
|
},
|
|
Hostinfo: tailcfg.Hostinfo{
|
|
Services: []tailcfg.Service{
|
|
{Proto: "peerapi4", Port: 444},
|
|
{Proto: "peerapi6", Port: 666},
|
|
},
|
|
},
|
|
},
|
|
want: "http://[fe70::2]:666",
|
|
},
|
|
{
|
|
name: "self_both_them_only_4",
|
|
nm: &netmap.NetworkMap{
|
|
Addresses: []netaddr.IPPrefix{
|
|
netaddr.MustParseIPPrefix("100.64.1.1/32"),
|
|
netaddr.MustParseIPPrefix("fe70::1/128"),
|
|
},
|
|
},
|
|
peer: &tailcfg.Node{
|
|
Addresses: []netaddr.IPPrefix{
|
|
netaddr.MustParseIPPrefix("100.64.1.2/32"),
|
|
netaddr.MustParseIPPrefix("fe70::2/128"),
|
|
},
|
|
Hostinfo: tailcfg.Hostinfo{
|
|
Services: []tailcfg.Service{
|
|
{Proto: "peerapi4", Port: 444},
|
|
},
|
|
},
|
|
},
|
|
want: "http://100.64.1.2:444",
|
|
},
|
|
{
|
|
name: "self_both_them_only_6",
|
|
nm: &netmap.NetworkMap{
|
|
Addresses: []netaddr.IPPrefix{
|
|
netaddr.MustParseIPPrefix("100.64.1.1/32"),
|
|
netaddr.MustParseIPPrefix("fe70::1/128"),
|
|
},
|
|
},
|
|
peer: &tailcfg.Node{
|
|
Addresses: []netaddr.IPPrefix{
|
|
netaddr.MustParseIPPrefix("100.64.1.2/32"),
|
|
netaddr.MustParseIPPrefix("fe70::2/128"),
|
|
},
|
|
Hostinfo: tailcfg.Hostinfo{
|
|
Services: []tailcfg.Service{
|
|
{Proto: "peerapi6", Port: 666},
|
|
},
|
|
},
|
|
},
|
|
want: "http://[fe70::2]:666",
|
|
},
|
|
{
|
|
name: "self_both_them_no_peerapi_service",
|
|
nm: &netmap.NetworkMap{
|
|
Addresses: []netaddr.IPPrefix{
|
|
netaddr.MustParseIPPrefix("100.64.1.1/32"),
|
|
netaddr.MustParseIPPrefix("fe70::1/128"),
|
|
},
|
|
},
|
|
peer: &tailcfg.Node{
|
|
Addresses: []netaddr.IPPrefix{
|
|
netaddr.MustParseIPPrefix("100.64.1.2/32"),
|
|
netaddr.MustParseIPPrefix("fe70::2/128"),
|
|
},
|
|
},
|
|
want: "",
|
|
},
|
|
}
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
got := peerAPIBase(tt.nm, tt.peer)
|
|
if got != tt.want {
|
|
t.Errorf("got %q; want %q", got, tt.want)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
type panicOnUseTransport struct{}
|
|
|
|
func (panicOnUseTransport) RoundTrip(*http.Request) (*http.Response, error) {
|
|
panic("unexpected HTTP request")
|
|
}
|
|
|
|
// Issue 1573: don't generate a machine key if we don't want to be running.
|
|
func TestLazyMachineKeyGeneration(t *testing.T) {
|
|
defer func(old bool) { panicOnMachineKeyGeneration = old }(panicOnMachineKeyGeneration)
|
|
panicOnMachineKeyGeneration = true
|
|
|
|
var logf logger.Logf = logger.Discard
|
|
store := new(ipn.MemoryStore)
|
|
eng, err := wgengine.NewFakeUserspaceEngine(logf, 0)
|
|
if err != nil {
|
|
t.Fatalf("NewFakeUserspaceEngine: %v", err)
|
|
}
|
|
t.Cleanup(eng.Close)
|
|
lb, err := NewLocalBackend(logf, "logid", store, eng)
|
|
if err != nil {
|
|
t.Fatalf("NewLocalBackend: %v", err)
|
|
}
|
|
|
|
lb.SetHTTPTestClient(&http.Client{
|
|
Transport: panicOnUseTransport{}, // validate we don't send HTTP requests
|
|
})
|
|
|
|
if err := lb.Start(ipn.Options{
|
|
StateKey: ipn.GlobalDaemonStateKey,
|
|
}); err != nil {
|
|
t.Fatalf("Start: %v", err)
|
|
}
|
|
|
|
// Give the controlclient package goroutines (if they're
|
|
// accidentally started) extra time to schedule and run (and thus
|
|
// hit panicOnUseTransport).
|
|
time.Sleep(500 * time.Millisecond)
|
|
}
|
|
|
|
func TestFileTargets(t *testing.T) {
|
|
b := new(LocalBackend)
|
|
_, err := b.FileTargets()
|
|
if got, want := fmt.Sprint(err), "not connected"; got != want {
|
|
t.Errorf("before connect: got %q; want %q", got, want)
|
|
}
|
|
|
|
b.netMap = new(netmap.NetworkMap)
|
|
_, err = b.FileTargets()
|
|
if got, want := fmt.Sprint(err), "not connected"; got != want {
|
|
t.Errorf("non-running netmap: got %q; want %q", got, want)
|
|
}
|
|
|
|
b.state = ipn.Running
|
|
_, err = b.FileTargets()
|
|
if got, want := fmt.Sprint(err), "file sharing not enabled by Tailscale admin"; got != want {
|
|
t.Errorf("without cap: got %q; want %q", got, want)
|
|
}
|
|
|
|
b.capFileSharing = true
|
|
got, err := b.FileTargets()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if len(got) != 0 {
|
|
t.Fatalf("unexpected %d peers", len(got))
|
|
}
|
|
// (other cases handled by TestPeerAPIBase above)
|
|
}
|
|
|
|
func TestInternalAndExternalInterfaces(t *testing.T) {
|
|
type interfacePrefix struct {
|
|
i interfaces.Interface
|
|
pfx netaddr.IPPrefix
|
|
}
|
|
|
|
masked := func(ips ...interfacePrefix) (pfxs []netaddr.IPPrefix) {
|
|
for _, ip := range ips {
|
|
pfxs = append(pfxs, ip.pfx.Masked())
|
|
}
|
|
return pfxs
|
|
}
|
|
iList := func(ips ...interfacePrefix) (il interfaces.List) {
|
|
for _, ip := range ips {
|
|
il = append(il, ip.i)
|
|
}
|
|
return il
|
|
}
|
|
newInterface := func(name, pfx string, wsl2, loopback bool) interfacePrefix {
|
|
ippfx := netaddr.MustParseIPPrefix(pfx)
|
|
ip := interfaces.Interface{
|
|
Interface: &net.Interface{},
|
|
AltAddrs: []net.Addr{
|
|
ippfx.IPNet(),
|
|
},
|
|
}
|
|
if loopback {
|
|
ip.Flags = net.FlagLoopback
|
|
}
|
|
if wsl2 {
|
|
ip.HardwareAddr = []byte{0x00, 0x15, 0x5d, 0x00, 0x00, 0x00}
|
|
}
|
|
return interfacePrefix{i: ip, pfx: ippfx}
|
|
}
|
|
var (
|
|
en0 = newInterface("en0", "10.20.2.5/16", false, false)
|
|
en1 = newInterface("en1", "192.168.1.237/24", false, false)
|
|
wsl = newInterface("wsl", "192.168.5.34/24", true, false)
|
|
loopback = newInterface("lo0", "127.0.0.1/8", false, true)
|
|
)
|
|
|
|
tests := []struct {
|
|
name string
|
|
goos string
|
|
il interfaces.List
|
|
wantInt []netaddr.IPPrefix
|
|
wantExt []netaddr.IPPrefix
|
|
}{
|
|
{
|
|
name: "single-interface",
|
|
goos: "linux",
|
|
il: iList(
|
|
en0,
|
|
loopback,
|
|
),
|
|
wantInt: masked(loopback),
|
|
wantExt: masked(en0),
|
|
},
|
|
{
|
|
name: "multiple-interfaces",
|
|
goos: "linux",
|
|
il: iList(
|
|
en0,
|
|
en1,
|
|
wsl,
|
|
loopback,
|
|
),
|
|
wantInt: masked(loopback),
|
|
wantExt: masked(en0, en1, wsl),
|
|
},
|
|
{
|
|
name: "wsl2",
|
|
goos: "windows",
|
|
il: iList(
|
|
en0,
|
|
en1,
|
|
wsl,
|
|
loopback,
|
|
),
|
|
wantInt: masked(loopback, wsl),
|
|
wantExt: masked(en0, en1),
|
|
},
|
|
}
|
|
|
|
for _, tc := range tests {
|
|
t.Run(tc.name, func(t *testing.T) {
|
|
gotInt, gotExt, err := internalAndExternalInterfacesFrom(tc.il, tc.goos)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if !reflect.DeepEqual(gotInt, tc.wantInt) {
|
|
t.Errorf("unexpected internal prefixes\ngot %v\nwant %v", gotInt, tc.wantInt)
|
|
}
|
|
if !reflect.DeepEqual(gotExt, tc.wantExt) {
|
|
t.Errorf("unexpected external prefixes\ngot %v\nwant %v", gotExt, tc.wantExt)
|
|
}
|
|
})
|
|
}
|
|
}
|