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tailscale/tailcfg/tailcfg_test.go
Charlotte Brandhorst-Satzkorn 14683371ee
tailscale: update tailfs file and package names (#11590) 
This change updates the tailfs file and package names to their new
naming convention.

Updates #tailscale/corp#16827

Signed-off-by: Charlotte Brandhorst-Satzkorn <charlotte@tailscale.com>
2024-04-02 13:32:30 -07:00

857 lines
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// Copyright (c) Tailscale Inc & AUTHORS
// SPDX-License-Identifier: BSD-3-Clause
package tailcfg_test
import (
"encoding/json"
"net/netip"
"os"
"reflect"
"regexp"
"strconv"
"strings"
"testing"
"time"
. "tailscale.com/tailcfg"
"tailscale.com/tstest/deptest"
"tailscale.com/types/key"
"tailscale.com/types/opt"
"tailscale.com/types/ptr"
"tailscale.com/util/must"
)
func fieldsOf(t reflect.Type) (fields []string) {
for i := 0; i < t.NumField(); i++ {
fields = append(fields, t.Field(i).Name)
}
return
}
func TestHostinfoEqual(t *testing.T) {
hiHandles := []string{
"IPNVersion",
"FrontendLogID",
"BackendLogID",
"OS",
"OSVersion",
"Container",
"Env",
"Distro",
"DistroVersion",
"DistroCodeName",
"App",
"Desktop",
"Package",
"DeviceModel",
"PushDeviceToken",
"Hostname",
"ShieldsUp",
"ShareeNode",
"NoLogsNoSupport",
"WireIngress",
"AllowsUpdate",
"Machine",
"GoArch",
"GoArchVar",
"GoVersion",
"RoutableIPs",
"RequestTags",
"WoLMACs",
"Services",
"NetInfo",
"SSH_HostKeys",
"Cloud",
"Userspace",
"UserspaceRouter",
"AppConnector",
"Location",
}
if have := fieldsOf(reflect.TypeFor[Hostinfo]()); !reflect.DeepEqual(have, hiHandles) {
t.Errorf("Hostinfo.Equal check might be out of sync\nfields: %q\nhandled: %q\n",
have, hiHandles)
}
nets := func(strs ...string) (ns []netip.Prefix) {
for _, s := range strs {
n, err := netip.ParsePrefix(s)
if err != nil {
panic(err)
}
ns = append(ns, n)
}
return ns
}
tests := []struct {
a, b *Hostinfo
want bool
}{
{
nil,
nil,
true,
},
{
&Hostinfo{},
nil,
false,
},
{
nil,
&Hostinfo{},
false,
},
{
&Hostinfo{},
&Hostinfo{},
true,
},
{
&Hostinfo{IPNVersion: "1"},
&Hostinfo{IPNVersion: "2"},
false,
},
{
&Hostinfo{IPNVersion: "2"},
&Hostinfo{IPNVersion: "2"},
true,
},
{
&Hostinfo{FrontendLogID: "1"},
&Hostinfo{FrontendLogID: "2"},
false,
},
{
&Hostinfo{FrontendLogID: "2"},
&Hostinfo{FrontendLogID: "2"},
true,
},
{
&Hostinfo{BackendLogID: "1"},
&Hostinfo{BackendLogID: "2"},
false,
},
{
&Hostinfo{BackendLogID: "2"},
&Hostinfo{BackendLogID: "2"},
true,
},
{
&Hostinfo{OS: "windows"},
&Hostinfo{OS: "linux"},
false,
},
{
&Hostinfo{OS: "windows"},
&Hostinfo{OS: "windows"},
true,
},
{
&Hostinfo{Hostname: "vega"},
&Hostinfo{Hostname: "iris"},
false,
},
{
&Hostinfo{Hostname: "vega"},
&Hostinfo{Hostname: "vega"},
true,
},
{
&Hostinfo{RoutableIPs: nil},
&Hostinfo{RoutableIPs: nets("10.0.0.0/16")},
false,
},
{
&Hostinfo{RoutableIPs: nets("10.1.0.0/16", "192.168.1.0/24")},
&Hostinfo{RoutableIPs: nets("10.2.0.0/16", "192.168.2.0/24")},
false,
},
{
&Hostinfo{RoutableIPs: nets("10.1.0.0/16", "192.168.1.0/24")},
&Hostinfo{RoutableIPs: nets("10.1.0.0/16", "192.168.2.0/24")},
false,
},
{
&Hostinfo{RoutableIPs: nets("10.1.0.0/16", "192.168.1.0/24")},
&Hostinfo{RoutableIPs: nets("10.1.0.0/16", "192.168.1.0/24")},
true,
},
{
&Hostinfo{RequestTags: []string{"abc", "def"}},
&Hostinfo{RequestTags: []string{"abc", "def"}},
true,
},
{
&Hostinfo{RequestTags: []string{"abc", "def"}},
&Hostinfo{RequestTags: []string{"abc", "123"}},
false,
},
{
&Hostinfo{RequestTags: []string{}},
&Hostinfo{RequestTags: []string{"abc"}},
false,
},
{
&Hostinfo{Services: []Service{{Proto: TCP, Port: 1234, Description: "foo"}}},
&Hostinfo{Services: []Service{{Proto: UDP, Port: 2345, Description: "bar"}}},
false,
},
{
&Hostinfo{Services: []Service{{Proto: TCP, Port: 1234, Description: "foo"}}},
&Hostinfo{Services: []Service{{Proto: TCP, Port: 1234, Description: "foo"}}},
true,
},
{
&Hostinfo{ShareeNode: true},
&Hostinfo{},
false,
},
{
&Hostinfo{SSH_HostKeys: []string{"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIO.... root@bar"}},
&Hostinfo{},
false,
},
{
&Hostinfo{App: "golink"},
&Hostinfo{App: "abc"},
false,
},
{
&Hostinfo{App: "golink"},
&Hostinfo{App: "golink"},
true,
},
{
&Hostinfo{AppConnector: opt.Bool("true")},
&Hostinfo{AppConnector: opt.Bool("true")},
true,
},
{
&Hostinfo{AppConnector: opt.Bool("true")},
&Hostinfo{AppConnector: opt.Bool("false")},
false,
},
}
for i, tt := range tests {
got := tt.a.Equal(tt.b)
if got != tt.want {
t.Errorf("%d. Equal = %v; want %v", i, got, tt.want)
}
}
}
func TestHostinfoHowEqual(t *testing.T) {
tests := []struct {
a, b *Hostinfo
want []string
}{
{
a: nil,
b: nil,
want: nil,
},
{
a: new(Hostinfo),
b: nil,
want: []string{"nil"},
},
{
a: nil,
b: new(Hostinfo),
want: []string{"nil"},
},
{
a: new(Hostinfo),
b: new(Hostinfo),
want: nil,
},
{
a: &Hostinfo{
IPNVersion: "1",
ShieldsUp: false,
RoutableIPs: []netip.Prefix{netip.MustParsePrefix("1.2.3.0/24")},
},
b: &Hostinfo{
IPNVersion: "2",
ShieldsUp: true,
RoutableIPs: []netip.Prefix{netip.MustParsePrefix("1.2.3.0/25")},
},
want: []string{"IPNVersion", "ShieldsUp", "RoutableIPs"},
},
{
a: &Hostinfo{
IPNVersion: "1",
},
b: &Hostinfo{
IPNVersion: "2",
NetInfo: new(NetInfo),
},
want: []string{"IPNVersion", "NetInfo.nil"},
},
{
a: &Hostinfo{
IPNVersion: "1",
NetInfo: &NetInfo{
WorkingIPv6: "true",
HavePortMap: true,
LinkType: "foo",
PreferredDERP: 123,
DERPLatency: map[string]float64{
"foo": 1.0,
},
},
},
b: &Hostinfo{
IPNVersion: "2",
NetInfo: &NetInfo{},
},
want: []string{"IPNVersion", "NetInfo.WorkingIPv6", "NetInfo.HavePortMap", "NetInfo.PreferredDERP", "NetInfo.LinkType", "NetInfo.DERPLatency"},
},
}
for i, tt := range tests {
got := tt.a.HowUnequal(tt.b)
if !reflect.DeepEqual(got, tt.want) {
t.Errorf("%d. got %q; want %q", i, got, tt.want)
}
}
}
func TestHostinfoTailscaleSSHEnabled(t *testing.T) {
tests := []struct {
hi *Hostinfo
want bool
}{
{
nil,
false,
},
{
&Hostinfo{},
false,
},
{
&Hostinfo{SSH_HostKeys: []string{"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIO.... root@bar"}},
true,
},
}
for i, tt := range tests {
got := tt.hi.TailscaleSSHEnabled()
if got != tt.want {
t.Errorf("%d. got %v; want %v", i, got, tt.want)
}
}
}
func TestNodeEqual(t *testing.T) {
nodeHandles := []string{
"ID", "StableID", "Name", "User", "Sharer",
"Key", "KeyExpiry", "KeySignature", "Machine", "DiscoKey",
"Addresses", "AllowedIPs", "Endpoints", "DERP", "Hostinfo",
"Created", "Cap", "Tags", "PrimaryRoutes",
"LastSeen", "Online", "MachineAuthorized",
"Capabilities", "CapMap",
"UnsignedPeerAPIOnly",
"ComputedName", "computedHostIfDifferent", "ComputedNameWithHost",
"DataPlaneAuditLogID", "Expired", "SelfNodeV4MasqAddrForThisPeer",
"SelfNodeV6MasqAddrForThisPeer", "IsWireGuardOnly", "ExitNodeDNSResolvers",
}
if have := fieldsOf(reflect.TypeFor[Node]()); !reflect.DeepEqual(have, nodeHandles) {
t.Errorf("Node.Equal check might be out of sync\nfields: %q\nhandled: %q\n",
have, nodeHandles)
}
n1 := key.NewNode().Public()
m1 := key.NewMachine().Public()
now := time.Now()
tests := []struct {
a, b *Node
want bool
}{
{
&Node{},
nil,
false,
},
{
nil,
&Node{},
false,
},
{
&Node{},
&Node{},
true,
},
{
&Node{},
&Node{},
true,
},
{
&Node{ID: 1},
&Node{},
false,
},
{
&Node{ID: 1},
&Node{ID: 1},
true,
},
{
&Node{StableID: "node-abcd"},
&Node{},
false,
},
{
&Node{StableID: "node-abcd"},
&Node{StableID: "node-abcd"},
true,
},
{
&Node{User: 0},
&Node{User: 1},
false,
},
{
&Node{User: 1},
&Node{User: 1},
true,
},
{
&Node{Key: n1},
&Node{Key: key.NewNode().Public()},
false,
},
{
&Node{Key: n1},
&Node{Key: n1},
true,
},
{
&Node{KeyExpiry: now},
&Node{KeyExpiry: now.Add(60 * time.Second)},
false,
},
{
&Node{KeyExpiry: now},
&Node{KeyExpiry: now},
true,
},
{
&Node{Machine: m1},
&Node{Machine: key.NewMachine().Public()},
false,
},
{
&Node{Machine: m1},
&Node{Machine: m1},
true,
},
{
&Node{Addresses: []netip.Prefix{}},
&Node{Addresses: nil},
false,
},
{
&Node{Addresses: []netip.Prefix{}},
&Node{Addresses: []netip.Prefix{}},
true,
},
{
&Node{AllowedIPs: []netip.Prefix{}},
&Node{AllowedIPs: nil},
false,
},
{
&Node{Addresses: []netip.Prefix{}},
&Node{Addresses: []netip.Prefix{}},
true,
},
{
&Node{Endpoints: []netip.AddrPort{}},
&Node{Endpoints: nil},
false,
},
{
&Node{Endpoints: []netip.AddrPort{}},
&Node{Endpoints: []netip.AddrPort{}},
true,
},
{
&Node{Hostinfo: (&Hostinfo{Hostname: "alice"}).View()},
&Node{Hostinfo: (&Hostinfo{Hostname: "bob"}).View()},
false,
},
{
&Node{Hostinfo: (&Hostinfo{}).View()},
&Node{Hostinfo: (&Hostinfo{}).View()},
true,
},
{
&Node{Created: now},
&Node{Created: now.Add(60 * time.Second)},
false,
},
{
&Node{Created: now},
&Node{Created: now},
true,
},
{
&Node{LastSeen: &now},
&Node{LastSeen: nil},
false,
},
{
&Node{LastSeen: &now},
&Node{LastSeen: &now},
true,
},
{
&Node{DERP: "foo"},
&Node{DERP: "bar"},
false,
},
{
&Node{Tags: []string{"tag:foo"}},
&Node{Tags: []string{"tag:foo"}},
true,
},
{
&Node{Tags: []string{"tag:foo", "tag:bar"}},
&Node{Tags: []string{"tag:bar"}},
false,
},
{
&Node{Tags: []string{"tag:foo"}},
&Node{Tags: []string{"tag:bar"}},
false,
},
{
&Node{Tags: []string{"tag:foo"}},
&Node{},
false,
},
{
&Node{Expired: true},
&Node{},
false,
},
{
&Node{},
&Node{SelfNodeV4MasqAddrForThisPeer: ptr.To(netip.MustParseAddr("100.64.0.1"))},
false,
},
{
&Node{SelfNodeV4MasqAddrForThisPeer: ptr.To(netip.MustParseAddr("100.64.0.1"))},
&Node{SelfNodeV4MasqAddrForThisPeer: ptr.To(netip.MustParseAddr("100.64.0.1"))},
true,
},
{
&Node{},
&Node{SelfNodeV6MasqAddrForThisPeer: ptr.To(netip.MustParseAddr("2001::3456"))},
false,
},
{
&Node{SelfNodeV6MasqAddrForThisPeer: ptr.To(netip.MustParseAddr("2001::3456"))},
&Node{SelfNodeV6MasqAddrForThisPeer: ptr.To(netip.MustParseAddr("2001::3456"))},
true,
},
{
&Node{
CapMap: NodeCapMap{
"foo": []RawMessage{`"foo"`},
},
},
&Node{
CapMap: NodeCapMap{
"foo": []RawMessage{`"foo"`},
},
},
true,
},
{
&Node{
CapMap: NodeCapMap{
"bar": []RawMessage{`"foo"`},
},
},
&Node{
CapMap: NodeCapMap{
"foo": []RawMessage{`"bar"`},
},
},
false,
},
{
&Node{
CapMap: NodeCapMap{
"foo": nil,
},
},
&Node{
CapMap: NodeCapMap{
"foo": []RawMessage{`"bar"`},
},
},
false,
},
}
for i, tt := range tests {
got := tt.a.Equal(tt.b)
if got != tt.want {
t.Errorf("%d. Equal = %v; want %v", i, got, tt.want)
}
}
}
func TestNetInfoFields(t *testing.T) {
handled := []string{
"MappingVariesByDestIP",
"HairPinning",
"WorkingIPv6",
"OSHasIPv6",
"WorkingUDP",
"WorkingICMPv4",
"HavePortMap",
"UPnP",
"PMP",
"PCP",
"PreferredDERP",
"LinkType",
"DERPLatency",
"FirewallMode",
}
if have := fieldsOf(reflect.TypeFor[NetInfo]()); !reflect.DeepEqual(have, handled) {
t.Errorf("NetInfo.Clone/BasicallyEqually check might be out of sync\nfields: %q\nhandled: %q\n",
have, handled)
}
}
func TestCloneUser(t *testing.T) {
tests := []struct {
name string
u *User
}{
{"nil_logins", &User{}},
{"zero_logins", &User{Logins: make([]LoginID, 0)}},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
u2 := tt.u.Clone()
if !reflect.DeepEqual(tt.u, u2) {
t.Errorf("not equal")
}
})
}
}
func TestCloneNode(t *testing.T) {
tests := []struct {
name string
v *Node
}{
{"nil_fields", &Node{}},
{"zero_fields", &Node{
Addresses: make([]netip.Prefix, 0),
AllowedIPs: make([]netip.Prefix, 0),
Endpoints: make([]netip.AddrPort, 0),
}},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
v2 := tt.v.Clone()
if !reflect.DeepEqual(tt.v, v2) {
t.Errorf("not equal")
}
})
}
}
func TestUserProfileJSONMarshalForMac(t *testing.T) {
// Old macOS clients had a bug where they required
// UserProfile.Roles to be non-null. Lock that in
// 1.0.x/1.2.x clients are gone in the wild.
// See mac commit 0242c08a2ca496958027db1208f44251bff8488b (Sep 30).
// It was fixed in at least 1.4.x, and perhaps 1.2.x.
j, err := json.Marshal(UserProfile{})
if err != nil {
t.Fatal(err)
}
const wantSub = `"Roles":[]`
if !strings.Contains(string(j), wantSub) {
t.Fatalf("didn't contain %#q; got: %s", wantSub, j)
}
// And back:
var up UserProfile
if err := json.Unmarshal(j, &up); err != nil {
t.Fatalf("Unmarshal: %v", err)
}
}
func TestEndpointTypeMarshal(t *testing.T) {
eps := []EndpointType{
EndpointUnknownType,
EndpointLocal,
EndpointSTUN,
EndpointPortmapped,
EndpointSTUN4LocalPort,
}
got, err := json.Marshal(eps)
if err != nil {
t.Fatal(err)
}
const want = `[0,1,2,3,4]`
if string(got) != want {
t.Errorf("got %s; want %s", got, want)
}
}
func TestRegisterRequestNilClone(t *testing.T) {
var nilReq *RegisterRequest
got := nilReq.Clone()
if got != nil {
t.Errorf("got = %v; want nil", got)
}
}
// Tests that CurrentCapabilityVersion is bumped when the comment block above it gets bumped.
// We've screwed this up several times.
func TestCurrentCapabilityVersion(t *testing.T) {
f := must.Get(os.ReadFile("tailcfg.go"))
matches := regexp.MustCompile(`(?m)^//[\s-]+(\d+): \d\d\d\d-\d\d-\d\d: `).FindAllStringSubmatch(string(f), -1)
max := 0
for _, m := range matches {
n := must.Get(strconv.Atoi(m[1]))
if n > max {
max = n
}
}
if CapabilityVersion(max) != CurrentCapabilityVersion {
t.Errorf("CurrentCapabilityVersion = %d; want %d", CurrentCapabilityVersion, max)
}
}
func TestUnmarshalHealth(t *testing.T) {
tests := []struct {
in string // MapResponse JSON
want []string // MapResponse.Health wanted value post-unmarshal
}{
{in: `{}`},
{in: `{"Health":null}`},
{in: `{"Health":[]}`, want: []string{}},
{in: `{"Health":["bad"]}`, want: []string{"bad"}},
}
for _, tt := range tests {
var mr MapResponse
if err := json.Unmarshal([]byte(tt.in), &mr); err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(mr.Health, tt.want) {
t.Errorf("for %#q: got %v; want %v", tt.in, mr.Health, tt.want)
}
}
}
func TestRawMessage(t *testing.T) {
// Create a few types of json.RawMessages and then marshal them back and
// forth to make sure they round-trip.
type rule struct {
Ports []int `json:",omitempty"`
}
tests := []struct {
name string
val map[string][]rule
wire map[string][]RawMessage
}{
{
name: "nil",
val: nil,
wire: nil,
},
{
name: "empty",
val: map[string][]rule{},
wire: map[string][]RawMessage{},
},
{
name: "one",
val: map[string][]rule{
"foo": {{Ports: []int{1, 2, 3}}},
},
wire: map[string][]RawMessage{
"foo": {
`{"Ports":[1,2,3]}`,
},
},
},
{
name: "many",
val: map[string][]rule{
"foo": {{Ports: []int{1, 2, 3}}},
"bar": {{Ports: []int{4, 5, 6}}, {Ports: []int{7, 8, 9}}},
"baz": nil,
"abc": {},
"def": {{}},
},
wire: map[string][]RawMessage{
"foo": {
`{"Ports":[1,2,3]}`,
},
"bar": {
`{"Ports":[4,5,6]}`,
`{"Ports":[7,8,9]}`,
},
"baz": nil,
"abc": {},
"def": {"{}"},
},
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
j := must.Get(json.Marshal(tc.val))
var gotWire map[string][]RawMessage
if err := json.Unmarshal(j, &gotWire); err != nil {
t.Fatalf("unmarshal: %v", err)
}
if !reflect.DeepEqual(gotWire, tc.wire) {
t.Errorf("got %#v; want %#v", gotWire, tc.wire)
}
j = must.Get(json.Marshal(tc.wire))
var gotVal map[string][]rule
if err := json.Unmarshal(j, &gotVal); err != nil {
t.Fatalf("unmarshal: %v", err)
}
if !reflect.DeepEqual(gotVal, tc.val) {
t.Errorf("got %#v; want %#v", gotVal, tc.val)
}
})
}
}
func TestDeps(t *testing.T) {
deptest.DepChecker{
BadDeps: map[string]string{
// Make sure we don't again accidentally bring in a dependency on
// drive or its transitive dependencies
"tailscale.com/drive/driveimpl": "https://github.com/tailscale/tailscale/pull/10631",
"github.com/studio-b12/gowebdav": "https://github.com/tailscale/tailscale/pull/10631",
},
}.Check(t)
}
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