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/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( &dnsConfigOrig, 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(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, } 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"), netip.MustParsePrefix("0.0.0.0/0"), 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, Capabilities: []tailcfg.NodeCapability{ tailcfg.CapabilityFileSharing, tailcfg.CapabilityAdmin, tailcfg.CapabilitySSH, tailcfg.NodeAttrDisableUPnP, }, } 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, Capabilities: []tailcfg.NodeCapability{ tailcfg.CapabilityFileSharing, tailcfg.CapabilityAdmin, tailcfg.CapabilitySSH, tailcfg.NodeAttrDisableUPnP, }, } 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) } }) } }