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Add initial test for mapresponse

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Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>
This commit is contained in:
Kristoffer Dalby 2023-05-31 17:26:19 +02:00 committed by Kristoffer Dalby
parent f9f6e1557a
commit 084d1d5d6e
4 changed files with 364 additions and 19 deletions
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17
hscontrol/mapper/mapper.go
View File

@ -70,7 +70,6 @@ func NewMapper(
}
func (m *Mapper) tempWrap(
mapRequest tailcfg.MapRequest,
machine *types.Machine,
pol *policy.ACLPolicy,
) (*tailcfg.MapResponse, error) {
@ -85,7 +84,6 @@ func (m *Mapper) tempWrap(
}
return fullMapResponse(
mapRequest,
pol,
machine,
peers,
@ -99,7 +97,6 @@ func (m *Mapper) tempWrap(
}
func fullMapResponse(
mapRequest tailcfg.MapRequest,
pol *policy.ACLPolicy,
machine *types.Machine,
peers types.Machines,
@ -185,12 +182,6 @@ func fullMapResponse(
},
}
log.Trace().
Caller().
Str("machine", mapRequest.Hostinfo.Hostname).
// Interface("payload", resp).
Msgf("Generated map response: %s", util.TailMapResponseToString(resp))
return &resp, nil
}
@ -292,7 +283,7 @@ func (m Mapper) CreateMapResponse(
machine *types.Machine,
pol *policy.ACLPolicy,
) ([]byte, error) {
mapResponse, err := m.tempWrap(mapRequest, machine, pol)
mapResponse, err := m.tempWrap(machine, pol)
if err != nil {
return nil, err
}
@ -345,8 +336,12 @@ func (m Mapper) CreateKeepAliveResponse(
return m.marshalMapResponse(keepAliveResponse, machineKey, mapRequest.Compress)
}
// MarshalResponse takes an Tailscale Response, marhsal it to JSON.
// If isNoise is set, then the JSON body will be returned
// If !isNoise and privateKey2019 is set, the JSON body will be sealed in a Nacl box.
func MarshalResponse(
resp interface{},
isNoise bool,
privateKey2019 *key.MachinePrivate,
machineKey key.MachinePublic,
) ([]byte, error) {
@ -360,7 +355,7 @@ func MarshalResponse(
return nil, err
}
if privateKey2019 != nil {
if !isNoise && privateKey2019 != nil {
return privateKey2019.SealTo(machineKey, jsonBody), nil
}

350
hscontrol/mapper/mapper_test.go
View File

@ -2,14 +2,18 @@ package mapper
import (
"fmt"
"net/netip"
"testing"
"time"
"github.com/google/go-cmp/cmp"
"github.com/google/go-cmp/cmp/cmpopts"
"github.com/juanfont/headscale/hscontrol/policy"
"github.com/juanfont/headscale/hscontrol/types"
"gopkg.in/check.v1"
"tailscale.com/tailcfg"
"tailscale.com/types/dnstype"
"tailscale.com/types/key"
)
func (s *Suite) TestGetMapResponseUserProfiles(c *check.C) {
@ -129,3 +133,349 @@ func TestDNSConfigMapResponse(t *testing.T) {
})
}
}
func Test_fullMapResponse(t *testing.T) {
mustNK := func(str string) key.NodePublic {
var k key.NodePublic
_ = k.UnmarshalText([]byte(str))
return k
}
mustDK := func(str string) key.DiscoPublic {
var k key.DiscoPublic
_ = k.UnmarshalText([]byte(str))
return k
}
mustMK := func(str string) key.MachinePublic {
var k key.MachinePublic
_ = k.UnmarshalText([]byte(str))
return k
}
hiview := func(hoin tailcfg.Hostinfo) tailcfg.HostinfoView {
return hoin.View()
}
created := time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC)
lastSeen := time.Date(2009, time.November, 10, 23, 9, 0, 0, time.UTC)
expire := time.Date(2500, time.November, 11, 23, 0, 0, 0, time.UTC)
tests := []struct {
name string
pol *policy.ACLPolicy
machine *types.Machine
peers types.Machines
stripEmailDomain bool
baseDomain string
dnsConfig *tailcfg.DNSConfig
derpMap *tailcfg.DERPMap
logtail bool
randomClientPort bool
want *tailcfg.MapResponse
wantErr bool
}{
// {
// name: "empty-machine",
// machine: types.Machine{},
// pol: &policy.ACLPolicy{},
// dnsConfig: &tailcfg.DNSConfig{},
// baseDomain: "",
// stripEmailDomain: false,
// want: nil,
// wantErr: true,
// },
{
name: "no-pol-no-peers-map-response",
pol: &policy.ACLPolicy{},
machine: &types.Machine{
ID: 0,
MachineKey: "mkey:f08305b4ee4250b95a70f3b7504d048d75d899993c624a26d422c67af0422507",
NodeKey: "nodekey:9b2ffa7e08cc421a3d2cca9012280f6a236fd0de0b4ce005b30a98ad930306fe",
DiscoKey: "discokey:cf7b0fd05da556fdc3bab365787b506fd82d64a70745db70e00e86c1b1c03084",
IPAddresses: []netip.Addr{netip.MustParseAddr("100.64.0.1")},
Hostname: "mini",
GivenName: "mini",
UserID: 0,
User: types.User{Name: "mini"},
ForcedTags: []string{},
AuthKeyID: 0,
AuthKey: &types.PreAuthKey{},
LastSeen: &lastSeen,
Expiry: &expire,
HostInfo: types.HostInfo{},
Endpoints: []string{},
Routes: []types.Route{
{
Prefix: types.IPPrefix(netip.MustParsePrefix("0.0.0.0/0")),
Advertised: true,
Enabled: true,
IsPrimary: false,
},
{
Prefix: types.IPPrefix(netip.MustParsePrefix("192.168.0.0/24")),
Advertised: true,
Enabled: true,
IsPrimary: true,
},
{
Prefix: types.IPPrefix(netip.MustParsePrefix("172.0.0.0/10")),
Advertised: true,
Enabled: false,
IsPrimary: true,
},
},
CreatedAt: created,
},
peers: []types.Machine{},
stripEmailDomain: false,
baseDomain: "",
dnsConfig: &tailcfg.DNSConfig{},
derpMap: &tailcfg.DERPMap{},
logtail: false,
randomClientPort: false,
want: &tailcfg.MapResponse{
KeepAlive: false,
Node: &tailcfg.Node{
ID: 0,
StableID: "0",
Name: "mini",
User: 0,
Key: mustNK(
"nodekey:9b2ffa7e08cc421a3d2cca9012280f6a236fd0de0b4ce005b30a98ad930306fe",
),
KeyExpiry: expire,
Machine: mustMK(
"mkey:f08305b4ee4250b95a70f3b7504d048d75d899993c624a26d422c67af0422507",
),
DiscoKey: mustDK(
"discokey:cf7b0fd05da556fdc3bab365787b506fd82d64a70745db70e00e86c1b1c03084",
),
Addresses: []netip.Prefix{netip.MustParsePrefix("100.64.0.1/32")},
AllowedIPs: []netip.Prefix{
netip.MustParsePrefix("100.64.0.1/32"),
netip.MustParsePrefix("0.0.0.0/0"),
netip.MustParsePrefix("192.168.0.0/24"),
},
Endpoints: []string{},
DERP: "127.3.3.40:0",
Hostinfo: hiview(tailcfg.Hostinfo{}),
Created: created,
Tags: []string{},
PrimaryRoutes: []netip.Prefix{netip.MustParsePrefix("192.168.0.0/24")},
LastSeen: &lastSeen,
Online: new(bool),
KeepAlive: true,
MachineAuthorized: true,
Capabilities: []string{
tailcfg.CapabilityFileSharing,
tailcfg.CapabilityAdmin,
tailcfg.CapabilitySSH,
},
},
DERPMap: &tailcfg.DERPMap{},
Peers: []*tailcfg.Node{},
DNSConfig: &tailcfg.DNSConfig{},
Domain: "",
CollectServices: "false",
PacketFilter: []tailcfg.FilterRule{},
UserProfiles: []tailcfg.UserProfile{{LoginName: "mini", DisplayName: "mini"}},
SSHPolicy: nil,
ControlTime: &time.Time{},
Debug: &tailcfg.Debug{
DisableLogTail: true,
},
},
wantErr: false,
},
{
name: "no-pol-map-response",
pol: &policy.ACLPolicy{},
machine: &types.Machine{
ID: 0,
MachineKey: "mkey:f08305b4ee4250b95a70f3b7504d048d75d899993c624a26d422c67af0422507",
NodeKey: "nodekey:9b2ffa7e08cc421a3d2cca9012280f6a236fd0de0b4ce005b30a98ad930306fe",
DiscoKey: "discokey:cf7b0fd05da556fdc3bab365787b506fd82d64a70745db70e00e86c1b1c03084",
IPAddresses: []netip.Addr{netip.MustParseAddr("100.64.0.1")},
Hostname: "mini",
GivenName: "mini",
UserID: 0,
User: types.User{Name: "mini"},
ForcedTags: []string{},
LastSeen: &lastSeen,
Expiry: &expire,
HostInfo: types.HostInfo{},
Endpoints: []string{},
Routes: []types.Route{
{
Prefix: types.IPPrefix(netip.MustParsePrefix("0.0.0.0/0")),
Advertised: true,
Enabled: true,
IsPrimary: false,
},
{
Prefix: types.IPPrefix(netip.MustParsePrefix("192.168.0.0/24")),
Advertised: true,
Enabled: true,
IsPrimary: true,
},
{
Prefix: types.IPPrefix(netip.MustParsePrefix("172.0.0.0/10")),
Advertised: true,
Enabled: false,
IsPrimary: true,
},
},
CreatedAt: created,
},
peers: []types.Machine{
{
ID: 1,
MachineKey: "mkey:f08305b4ee4250b95a70f3b7504d048d75d899993c624a26d422c67af0422507",
NodeKey: "nodekey:9b2ffa7e08cc421a3d2cca9012280f6a236fd0de0b4ce005b30a98ad930306fe",
DiscoKey: "discokey:cf7b0fd05da556fdc3bab365787b506fd82d64a70745db70e00e86c1b1c03084",
IPAddresses: []netip.Addr{netip.MustParseAddr("100.64.0.2")},
Hostname: "peer1",
GivenName: "peer1",
UserID: 0,
User: types.User{Name: "mini"},
ForcedTags: []string{},
LastSeen: &lastSeen,
Expiry: &expire,
HostInfo: types.HostInfo{},
Endpoints: []string{},
Routes: []types.Route{},
CreatedAt: created,
},
},
stripEmailDomain: false,
baseDomain: "",
dnsConfig: &tailcfg.DNSConfig{},
derpMap: &tailcfg.DERPMap{},
logtail: false,
randomClientPort: false,
want: &tailcfg.MapResponse{
KeepAlive: false,
Node: &tailcfg.Node{
ID: 0,
StableID: "0",
Name: "mini",
User: 0,
Key: mustNK(
"nodekey:9b2ffa7e08cc421a3d2cca9012280f6a236fd0de0b4ce005b30a98ad930306fe",
),
KeyExpiry: expire,
Machine: mustMK(
"mkey:f08305b4ee4250b95a70f3b7504d048d75d899993c624a26d422c67af0422507",
),
DiscoKey: mustDK(
"discokey:cf7b0fd05da556fdc3bab365787b506fd82d64a70745db70e00e86c1b1c03084",
),
Addresses: []netip.Prefix{netip.MustParsePrefix("100.64.0.1/32")},
AllowedIPs: []netip.Prefix{
netip.MustParsePrefix("100.64.0.1/32"),
netip.MustParsePrefix("0.0.0.0/0"),
netip.MustParsePrefix("192.168.0.0/24"),
},
Endpoints: []string{},
DERP: "127.3.3.40:0",
Hostinfo: hiview(tailcfg.Hostinfo{}),
Created: created,
Tags: []string{},
PrimaryRoutes: []netip.Prefix{netip.MustParsePrefix("192.168.0.0/24")},
LastSeen: &lastSeen,
Online: new(bool),
KeepAlive: true,
MachineAuthorized: true,
Capabilities: []string{
tailcfg.CapabilityFileSharing,
tailcfg.CapabilityAdmin,
tailcfg.CapabilitySSH,
},
},
DERPMap: &tailcfg.DERPMap{},
Peers: []*tailcfg.Node{
{
ID: 1,
StableID: "1",
Name: "peer1",
Key: mustNK(
"nodekey:9b2ffa7e08cc421a3d2cca9012280f6a236fd0de0b4ce005b30a98ad930306fe",
),
KeyExpiry: expire,
Machine: mustMK(
"mkey:f08305b4ee4250b95a70f3b7504d048d75d899993c624a26d422c67af0422507",
),
DiscoKey: mustDK(
"discokey:cf7b0fd05da556fdc3bab365787b506fd82d64a70745db70e00e86c1b1c03084",
),
Addresses: []netip.Prefix{netip.MustParsePrefix("100.64.0.2/32")},
AllowedIPs: []netip.Prefix{netip.MustParsePrefix("100.64.0.2/32")},
Endpoints: []string{},
DERP: "127.3.3.40:0",
Hostinfo: hiview(tailcfg.Hostinfo{}),
Created: created,
Tags: []string{},
PrimaryRoutes: []netip.Prefix{},
LastSeen: &lastSeen,
Online: new(bool),
KeepAlive: true,
MachineAuthorized: true,
Capabilities: []string{
tailcfg.CapabilityFileSharing,
tailcfg.CapabilityAdmin,
tailcfg.CapabilitySSH,
},
},
},
DNSConfig: &tailcfg.DNSConfig{},
Domain: "",
CollectServices: "false",
PacketFilter: []tailcfg.FilterRule{},
UserProfiles: []tailcfg.UserProfile{{LoginName: "mini", DisplayName: "mini"}},
SSHPolicy: nil,
ControlTime: &time.Time{},
Debug: &tailcfg.Debug{
DisableLogTail: true,
},
},
wantErr: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := fullMapResponse(
tt.pol,
tt.machine,
tt.peers,
tt.stripEmailDomain,
tt.baseDomain,
tt.dnsConfig,
tt.derpMap,
tt.logtail,
tt.randomClientPort,
)
if (err != nil) != tt.wantErr {
t.Errorf("fullMapResponse() error = %v, wantErr %v", err, tt.wantErr)
return
}
if diff := cmp.Diff(
tt.want,
got,
cmpopts.EquateEmpty(),
// Ignore ControlTime, it is set to now and we dont really need to mock it.
cmpopts.IgnoreFields(tailcfg.MapResponse{}, "ControlTime"),
); diff != "" {
t.Errorf("fullMapResponse() unexpected result (-want +got):\n%s", diff)
}
})
}
}

2
hscontrol/policy/acls.go
View File

@ -126,7 +126,7 @@ func GenerateFilterRules(
stripEmailDomain bool,
) ([]tailcfg.FilterRule, *tailcfg.SSHPolicy, error) {
if policy == nil {
return []tailcfg.FilterRule{}, &tailcfg.SSHPolicy{}, ErrEmptyPolicy
return []tailcfg.FilterRule{}, &tailcfg.SSHPolicy{}, nil
}
rules, err := policy.generateFilterRules(machines, stripEmailDomain)

14
hscontrol/protocol_common.go
View File

@ -324,7 +324,7 @@ func (h *Headscale) handleAuthKeyCommon(
Msg("Failed authentication via AuthKey")
resp.MachineAuthorized = false
respBody, err := mapper.MarshalResponse(resp, h.privateKey2019, machineKey)
respBody, err := mapper.MarshalResponse(resp, isNoise, h.privateKey2019, machineKey)
if err != nil {
log.Error().
Caller().
@ -484,7 +484,7 @@ func (h *Headscale) handleAuthKeyCommon(
// Otherwise it will need to exec `tailscale up` twice to fetch the *LoginName*
resp.Login = *pak.User.TailscaleLogin()
respBody, err := mapper.MarshalResponse(resp, h.privateKey2019, machineKey)
respBody, err := mapper.MarshalResponse(resp, isNoise, h.privateKey2019, machineKey)
if err != nil {
log.Error().
Caller().
@ -549,7 +549,7 @@ func (h *Headscale) handleNewMachineCommon(
registerRequest.NodeKey)
}
respBody, err := mapper.MarshalResponse(resp, h.privateKey2019, machineKey)
respBody, err := mapper.MarshalResponse(resp, isNoise, h.privateKey2019, machineKey)
if err != nil {
log.Error().
Caller().
@ -610,7 +610,7 @@ func (h *Headscale) handleMachineLogOutCommon(
resp.MachineAuthorized = false
resp.NodeKeyExpired = true
resp.User = *machine.User.TailscaleUser()
respBody, err := mapper.MarshalResponse(resp, h.privateKey2019, machineKey)
respBody, err := mapper.MarshalResponse(resp, isNoise, h.privateKey2019, machineKey)
if err != nil {
log.Error().
Caller().
@ -674,7 +674,7 @@ func (h *Headscale) handleMachineValidRegistrationCommon(
resp.User = *machine.User.TailscaleUser()
resp.Login = *machine.User.TailscaleLogin()
respBody, err := mapper.MarshalResponse(resp, h.privateKey2019, machineKey)
respBody, err := mapper.MarshalResponse(resp, isNoise, h.privateKey2019, machineKey)
if err != nil {
log.Error().
Caller().
@ -736,7 +736,7 @@ func (h *Headscale) handleMachineRefreshKeyCommon(
resp.AuthURL = ""
resp.User = *machine.User.TailscaleUser()
respBody, err := mapper.MarshalResponse(resp, h.privateKey2019, machineKey)
respBody, err := mapper.MarshalResponse(resp, isNoise, h.privateKey2019, machineKey)
if err != nil {
log.Error().
Caller().
@ -803,7 +803,7 @@ func (h *Headscale) handleMachineExpiredOrLoggedOutCommon(
registerRequest.NodeKey)
}
respBody, err := mapper.MarshalResponse(resp, h.privateKey2019, machineKey)
respBody, err := mapper.MarshalResponse(resp, isNoise, h.privateKey2019, machineKey)
if err != nil {
log.Error().
Caller().