headscale/hscontrol/mapper/mapper_test.go
Kristoffer Dalby 3964dec1c6
use tsaddr library and cleanups (#2150)
* resuse tsaddr code instead of handrolled

Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>

* ensure we dont give out internal tailscale IPs

Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>

* use prefix instead of string for routes

Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>

* remove old custom compare func

Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>

* trim unused util code

Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>

---------

Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>
2024-10-02 09:06:09 +02:00

508 lines
13 KiB
Go

package mapper
import (
"fmt"
"net/netip"
"testing"
"time"
"github.com/davecgh/go-spew/spew"
"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/net/tsaddr"
"tailscale.com/tailcfg"
"tailscale.com/types/dnstype"
"tailscale.com/types/key"
)
var iap = func(ipStr string) *netip.Addr {
ip := netip.MustParseAddr(ipStr)
return &ip
}
func (s *Suite) TestGetMapResponseUserProfiles(c *check.C) {
mach := func(hostname, username string, userid uint) *types.Node {
return &types.Node{
Hostname: hostname,
UserID: userid,
User: types.User{
Name: username,
},
}
}
nodeInShared1 := mach("test_get_shared_nodes_1", "user1", 1)
nodeInShared2 := mach("test_get_shared_nodes_2", "user2", 2)
nodeInShared3 := mach("test_get_shared_nodes_3", "user3", 3)
node2InShared1 := mach("test_get_shared_nodes_4", "user1", 1)
userProfiles := generateUserProfiles(
nodeInShared1,
types.Nodes{
nodeInShared2, nodeInShared3, node2InShared1,
},
)
c.Assert(len(userProfiles), check.Equals, 3)
users := []string{
"user1", "user2", "user3",
}
for _, user := range users {
found := false
for _, userProfile := range userProfiles {
if userProfile.DisplayName == user {
found = true
break
}
}
c.Assert(found, check.Equals, true)
}
}
func TestDNSConfigMapResponse(t *testing.T) {
tests := []struct {
magicDNS bool
want *tailcfg.DNSConfig
}{
{
magicDNS: true,
want: &tailcfg.DNSConfig{
Routes: map[string][]*dnstype.Resolver{
"shared1.foobar.headscale.net": {},
"shared2.foobar.headscale.net": {},
"shared3.foobar.headscale.net": {},
},
Domains: []string{
"foobar.headscale.net",
"shared1.foobar.headscale.net",
},
Proxied: true,
},
},
{
magicDNS: false,
want: &tailcfg.DNSConfig{
Domains: []string{"foobar.headscale.net"},
Proxied: false,
},
},
}
for _, tt := range tests {
t.Run(fmt.Sprintf("with-magicdns-%v", tt.magicDNS), func(t *testing.T) {
mach := func(hostname, username string, userid uint) *types.Node {
return &types.Node{
Hostname: hostname,
UserID: userid,
User: types.User{
Name: username,
},
}
}
baseDomain := "foobar.headscale.net"
dnsConfigOrig := tailcfg.DNSConfig{
Routes: make(map[string][]*dnstype.Resolver),
Domains: []string{baseDomain},
Proxied: tt.magicDNS,
}
nodeInShared1 := mach("test_get_shared_nodes_1", "shared1", 1)
nodeInShared2 := mach("test_get_shared_nodes_2", "shared2", 2)
nodeInShared3 := mach("test_get_shared_nodes_3", "shared3", 3)
node2InShared1 := mach("test_get_shared_nodes_4", "shared1", 1)
peersOfNodeInShared1 := types.Nodes{
nodeInShared1,
nodeInShared2,
nodeInShared3,
node2InShared1,
}
got := generateDNSConfig(
&types.Config{
DNSConfig: &dnsConfigOrig,
DNSUserNameInMagicDNS: true,
},
baseDomain,
nodeInShared1,
peersOfNodeInShared1,
)
if diff := cmp.Diff(tt.want, got, cmpopts.EquateEmpty()); diff != "" {
t.Errorf("expandAlias() unexpected result (-want +got):\n%s", diff)
}
})
}
}
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)
mini := &types.Node{
ID: 0,
MachineKey: mustMK(
"mkey:f08305b4ee4250b95a70f3b7504d048d75d899993c624a26d422c67af0422507",
),
NodeKey: mustNK(
"nodekey:9b2ffa7e08cc421a3d2cca9012280f6a236fd0de0b4ce005b30a98ad930306fe",
),
DiscoKey: mustDK(
"discokey:cf7b0fd05da556fdc3bab365787b506fd82d64a70745db70e00e86c1b1c03084",
),
IPv4: iap("100.64.0.1"),
Hostname: "mini",
GivenName: "mini",
UserID: 0,
User: types.User{Name: "mini"},
ForcedTags: []string{},
AuthKey: &types.PreAuthKey{},
LastSeen: &lastSeen,
Expiry: &expire,
Hostinfo: &tailcfg.Hostinfo{},
Routes: []types.Route{
{
Prefix: types.IPPrefix(tsaddr.AllIPv4()),
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,
}
tailMini := &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"),
tsaddr.AllIPv4(),
netip.MustParsePrefix("192.168.0.0/24"),
},
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,
MachineAuthorized: true,
CapMap: tailcfg.NodeCapMap{
tailcfg.CapabilityFileSharing: []tailcfg.RawMessage{},
tailcfg.CapabilityAdmin: []tailcfg.RawMessage{},
tailcfg.CapabilitySSH: []tailcfg.RawMessage{},
},
}
peer1 := &types.Node{
ID: 1,
MachineKey: mustMK(
"mkey:f08305b4ee4250b95a70f3b7504d048d75d899993c624a26d422c67af0422507",
),
NodeKey: mustNK(
"nodekey:9b2ffa7e08cc421a3d2cca9012280f6a236fd0de0b4ce005b30a98ad930306fe",
),
DiscoKey: mustDK(
"discokey:cf7b0fd05da556fdc3bab365787b506fd82d64a70745db70e00e86c1b1c03084",
),
IPv4: iap("100.64.0.2"),
Hostname: "peer1",
GivenName: "peer1",
UserID: 0,
User: types.User{Name: "mini"},
ForcedTags: []string{},
LastSeen: &lastSeen,
Expiry: &expire,
Hostinfo: &tailcfg.Hostinfo{},
Routes: []types.Route{},
CreatedAt: created,
}
tailPeer1 := &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")},
DERP: "127.3.3.40:0",
Hostinfo: hiview(tailcfg.Hostinfo{}),
Created: created,
Tags: []string{},
PrimaryRoutes: []netip.Prefix{},
LastSeen: &lastSeen,
MachineAuthorized: true,
CapMap: tailcfg.NodeCapMap{
tailcfg.CapabilityFileSharing: []tailcfg.RawMessage{},
tailcfg.CapabilityAdmin: []tailcfg.RawMessage{},
tailcfg.CapabilitySSH: []tailcfg.RawMessage{},
},
}
peer2 := &types.Node{
ID: 2,
MachineKey: mustMK(
"mkey:f08305b4ee4250b95a70f3b7504d048d75d899993c624a26d422c67af0422507",
),
NodeKey: mustNK(
"nodekey:9b2ffa7e08cc421a3d2cca9012280f6a236fd0de0b4ce005b30a98ad930306fe",
),
DiscoKey: mustDK(
"discokey:cf7b0fd05da556fdc3bab365787b506fd82d64a70745db70e00e86c1b1c03084",
),
IPv4: iap("100.64.0.3"),
Hostname: "peer2",
GivenName: "peer2",
UserID: 1,
User: types.User{Name: "peer2"},
ForcedTags: []string{},
LastSeen: &lastSeen,
Expiry: &expire,
Hostinfo: &tailcfg.Hostinfo{},
Routes: []types.Route{},
CreatedAt: created,
}
tests := []struct {
name string
pol *policy.ACLPolicy
node *types.Node
peers types.Nodes
derpMap *tailcfg.DERPMap
cfg *types.Config
want *tailcfg.MapResponse
wantErr bool
}{
// {
// name: "empty-node",
// node: types.Node{},
// pol: &policy.ACLPolicy{},
// dnsConfig: &tailcfg.DNSConfig{},
// baseDomain: "",
// want: nil,
// wantErr: true,
// },
{
name: "no-pol-no-peers-map-response",
pol: &policy.ACLPolicy{},
node: mini,
peers: types.Nodes{},
derpMap: &tailcfg.DERPMap{},
cfg: &types.Config{
BaseDomain: "",
DNSConfig: &tailcfg.DNSConfig{},
LogTail: types.LogTailConfig{Enabled: false},
RandomizeClientPort: false,
},
want: &tailcfg.MapResponse{
Node: tailMini,
KeepAlive: false,
DERPMap: &tailcfg.DERPMap{},
Peers: []*tailcfg.Node{},
DNSConfig: &tailcfg.DNSConfig{},
Domain: "",
CollectServices: "false",
PacketFilter: []tailcfg.FilterRule{},
UserProfiles: []tailcfg.UserProfile{{LoginName: "mini", DisplayName: "mini"}},
SSHPolicy: &tailcfg.SSHPolicy{Rules: []*tailcfg.SSHRule{}},
ControlTime: &time.Time{},
Debug: &tailcfg.Debug{
DisableLogTail: true,
},
},
wantErr: false,
},
{
name: "no-pol-with-peer-map-response",
pol: &policy.ACLPolicy{},
node: mini,
peers: types.Nodes{
peer1,
},
derpMap: &tailcfg.DERPMap{},
cfg: &types.Config{
BaseDomain: "",
DNSConfig: &tailcfg.DNSConfig{},
LogTail: types.LogTailConfig{Enabled: false},
RandomizeClientPort: false,
},
want: &tailcfg.MapResponse{
KeepAlive: false,
Node: tailMini,
DERPMap: &tailcfg.DERPMap{},
Peers: []*tailcfg.Node{
tailPeer1,
},
DNSConfig: &tailcfg.DNSConfig{},
Domain: "",
CollectServices: "false",
PacketFilter: []tailcfg.FilterRule{},
UserProfiles: []tailcfg.UserProfile{{LoginName: "mini", DisplayName: "mini"}},
SSHPolicy: &tailcfg.SSHPolicy{Rules: []*tailcfg.SSHRule{}},
ControlTime: &time.Time{},
Debug: &tailcfg.Debug{
DisableLogTail: true,
},
},
wantErr: false,
},
{
name: "with-pol-map-response",
pol: &policy.ACLPolicy{
ACLs: []policy.ACL{
{
Action: "accept",
Sources: []string{"100.64.0.2"},
Destinations: []string{"mini:*"},
},
},
},
node: mini,
peers: types.Nodes{
peer1,
peer2,
},
derpMap: &tailcfg.DERPMap{},
cfg: &types.Config{
BaseDomain: "",
DNSConfig: &tailcfg.DNSConfig{},
LogTail: types.LogTailConfig{Enabled: false},
RandomizeClientPort: false,
},
want: &tailcfg.MapResponse{
KeepAlive: false,
Node: tailMini,
DERPMap: &tailcfg.DERPMap{},
Peers: []*tailcfg.Node{
tailPeer1,
},
DNSConfig: &tailcfg.DNSConfig{},
Domain: "",
CollectServices: "false",
PacketFilter: []tailcfg.FilterRule{
{
SrcIPs: []string{"100.64.0.2/32"},
DstPorts: []tailcfg.NetPortRange{
{IP: "100.64.0.1/32", Ports: tailcfg.PortRangeAny},
},
},
},
UserProfiles: []tailcfg.UserProfile{
{LoginName: "mini", DisplayName: "mini"},
},
SSHPolicy: &tailcfg.SSHPolicy{Rules: []*tailcfg.SSHRule{}},
ControlTime: &time.Time{},
Debug: &tailcfg.Debug{
DisableLogTail: true,
},
},
wantErr: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
mappy := NewMapper(
nil,
tt.cfg,
tt.derpMap,
nil,
)
got, err := mappy.fullMapResponse(
tt.node,
tt.peers,
tt.pol,
0,
)
if (err != nil) != tt.wantErr {
t.Errorf("fullMapResponse() error = %v, wantErr %v", err, tt.wantErr)
return
}
spew.Dump(got)
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)
}
})
}
}