diff --git a/client/cmd/debug.go b/client/cmd/debug.go index 02a742b28..bc7b0e98c 100644 --- a/client/cmd/debug.go +++ b/client/cmd/debug.go @@ -3,12 +3,14 @@ package cmd import ( "context" "fmt" + "os/user" "strings" "time" log "github.com/sirupsen/logrus" "github.com/spf13/cobra" "google.golang.org/grpc/status" + "google.golang.org/protobuf/encoding/protojson" "google.golang.org/protobuf/types/known/durationpb" "github.com/netbirdio/netbird/client/internal" @@ -85,6 +87,73 @@ var persistenceCmd = &cobra.Command{ RunE: setSyncResponsePersistence, } +var debugConfigCmd = &cobra.Command{ + Use: "config", + Example: " netbird debug config", + Short: "Dump the effective configuration", + Long: "Prints the daemon's resolved configuration (after applying defaults, file, env, CLI input, and MDM policy overrides) as JSON. Includes the list of MDM-managed fields.", + RunE: debugConfigDump, +} + +// debugConfigDump implements `netbird debug config`. It resolves the +// active profile, queries the daemon for the effective configuration +// via GetConfig, and prints the resulting GetConfigResponse as JSON +// (via protojson with EmitUnpopulated=true so the output is stable +// across runs and includes zero-valued fields). +// +// Useful for verifying MDM enforcement end-to-end: the response's +// mDMManagedFields array is the single source of truth for "which +// fields is the daemon currently enforcing from the MDM source", and +// every config field side-by-side with that list confirms the merge +// result. Secrets in the response (e.g. PreSharedKey) are already +// redacted by the daemon-side handler. +func debugConfigDump(cmd *cobra.Command, _ []string) error { + pm := profilemanager.NewProfileManager() + activeProf, err := pm.GetActiveProfile() + if err != nil { + return fmt.Errorf("get active profile: %v", err) + } + currUser, err := user.Current() + if err != nil { + return fmt.Errorf("get current user: %v", err) + } + + conn, err := getClient(cmd) + if err != nil { + return err + } + defer func() { + if err := conn.Close(); err != nil { + log.Errorf(errCloseConnection, err) + } + }() + + client := proto.NewDaemonServiceClient(conn) + resp, err := client.GetConfig(cmd.Context(), &proto.GetConfigRequest{ + ProfileName: activeProf.Name, + Username: currUser.Username, + }) + if err != nil { + return fmt.Errorf("failed to get config: %v", status.Convert(err).Message()) + } + + // Use protojson so well-known fields render correctly; emit defaults so + // the operator sees every field even when zero/empty. + m := protojson.MarshalOptions{Multiline: true, Indent: " ", EmitUnpopulated: true} + out, err := m.Marshal(resp) + if err != nil { + return fmt.Errorf("marshal config: %w", err) + } + cmd.Println(string(out)) + return nil +} + +// debugBundle requests the daemon to create a debug bundle and prints +// the resulting local file path and, if uploaded, the uploaded file +// key. It uses the package flags (anonymize, system info, log file +// count, CLI version, optional upload URL) to configure the bundle +// request. Returns an error if the RPC fails or if the daemon reports +// an upload failure reason. func debugBundle(cmd *cobra.Command, _ []string) error { conn, err := getClient(cmd) if err != nil { diff --git a/client/cmd/kubernetes.go b/client/cmd/kubernetes.go new file mode 100644 index 000000000..cc91477c6 --- /dev/null +++ b/client/cmd/kubernetes.go @@ -0,0 +1,301 @@ +package cmd + +import ( + "context" + "crypto/tls" + "encoding/json" + "errors" + "fmt" + "io" + "net" + "net/http" + "net/url" + "os" + "path/filepath" + "slices" + "strings" + + "github.com/goccy/go-yaml" + log "github.com/sirupsen/logrus" + "github.com/spf13/cobra" + + "github.com/netbirdio/netbird/client/proto" +) + +const ( + KubernetesDNSSuffix = "netbird-kubeapi-proxy" +) + +var kubernetesCmd = &cobra.Command{ + Use: "kubernetes", + Short: "Kubernetes cluster commands.", + Long: "Kubernetes cluster commands.", +} + +var kubernetesListCmd = &cobra.Command{ + Use: "list", + RunE: kubernetesList, + Short: "List Kubernetes clusters.", + Long: "List Kubernetes clusters by discovering NetBird peers running netbird-kubeapi-proxy.", +} + +var kubernetesWriteKubeconfigCmd = &cobra.Command{ + Use: "write-kubeconfig", + RunE: kubernetesWriteKubeconfig, + Args: cobra.ExactArgs(1), + Short: "Write kubeconfig for a Kubernetes cluster.", + Long: "Updates kubeconfig in place to allow token-less access to the Kubernetes cluster through NetBird.", +} + +func init() { + kubernetesWriteKubeconfigCmd.Flags().String("kubeconfig", "", "path to kubeconfig file") +} + +func kubernetesList(cmd *cobra.Command, _ []string) error { + conn, err := getClient(cmd) + if err != nil { + return err + } + defer conn.Close() + client := proto.NewDaemonServiceClient(conn) + statusResp, err := client.Status(cmd.Context(), &proto.StatusRequest{GetFullPeerStatus: true}) + if err != nil { + return err + } + + kcs, err := getKubernetesClusters(cmd.Context(), statusResp.FullStatus.Peers, "") + if err != nil { + return err + } + if len(kcs) == 0 { + cmd.Println("No Kubernetes clusters available.") + return nil + } + cmd.Println("Available Kubernetes clusters:") + for _, k := range kcs { + cmd.Printf("\n - Name: %s\n FQDN: %s\n Version: %s\n", k.name, k.url.Host, k.version) + } + return nil +} + +func kubernetesWriteKubeconfig(cmd *cobra.Command, args []string) error { + kubeconfigPath, err := resolveKubeconfigPath(cmd) + if err != nil { + return err + } + + conn, err := getClient(cmd) + if err != nil { + return err + } + defer conn.Close() + client := proto.NewDaemonServiceClient(conn) + statusResp, err := client.Status(cmd.Context(), &proto.StatusRequest{GetFullPeerStatus: true}) + if err != nil { + return err + } + + clusterName := args[0] + kcs, err := getKubernetesClusters(cmd.Context(), statusResp.FullStatus.Peers, clusterName) + if err != nil { + return err + } + if len(kcs) == 0 { + return fmt.Errorf("kubernetes cluster named %s not found", clusterName) + } + if len(kcs) > 1 { + return fmt.Errorf("too many Kubernetes clusters returned") + } + err = writeKubeconfig(kubeconfigPath, kcs[0]) + if err != nil { + return err + } + return nil +} + +type kubernetesCluster struct { + name string + url *url.URL + version string +} + +func getKubernetesClusters(ctx context.Context, peers []*proto.PeerState, nameFilter string) ([]kubernetesCluster, error) { + transport := http.DefaultTransport.(*http.Transport).Clone() + transport.TLSClientConfig = &tls.Config{ + InsecureSkipVerify: true, + } + httpClient := &http.Client{ + Transport: transport, + } + resolver := net.Resolver{ + // Required so both DNS records are returned. + // https://github.com/golang/go/issues/17093 + PreferGo: true, + } + + kcs := []kubernetesCluster{} + attempted := map[string]struct{}{} + for _, peer := range peers { + fqdns, err := resolver.LookupAddr(ctx, peer.IP) + if err != nil { + return nil, err + } + for _, fqdn := range fqdns { + if _, ok := attempted[fqdn]; ok { + continue + } + attempted[fqdn] = struct{}{} + comps := strings.Split(fqdn, ".") + if len(comps) < 2 { + continue + } + if comps[1] != KubernetesDNSSuffix { + continue + } + if nameFilter != "" && nameFilter != comps[0] { + continue + } + clusterURL, clusterVersion, err := fingerprintClusters(ctx, httpClient, fqdn) + if err != nil { + log.Debugf("could not fingerprint Kubernetes cluster %s %q", fqdn, err) + continue + } + kc := kubernetesCluster{ + name: comps[0], + url: clusterURL, + version: clusterVersion, + } + if nameFilter != "" { + return []kubernetesCluster{kc}, nil + } + kcs = append(kcs, kc) + } + } + return kcs, nil +} + +func fingerprintClusters(ctx context.Context, httpClient *http.Client, fqdn string) (*url.URL, string, error) { + clusterURL, err := url.Parse("https://" + fqdn) + if err != nil { + return nil, "", err + } + versionURL, err := clusterURL.Parse("/version") + if err != nil { + return nil, "", err + } + req, err := http.NewRequestWithContext(ctx, http.MethodGet, versionURL.String(), nil) + if err != nil { + return nil, "", err + } + resp, err := httpClient.Do(req) + if err != nil { + return nil, "", err + } + defer resp.Body.Close() + if resp.StatusCode != http.StatusOK { + return nil, "", fmt.Errorf("expected %d response but got %s", http.StatusOK, resp.Status) + } + b, err := io.ReadAll(resp.Body) + if err != nil { + return nil, "", err + } + versionData := map[string]string{} + err = json.Unmarshal(b, &versionData) + if err != nil { + return nil, "", err + } + version, ok := versionData["gitVersion"] + if !ok { + return nil, "", errors.New("no version found in response") + } + return clusterURL, version, nil +} + +func resolveKubeconfigPath(cmd *cobra.Command) (string, error) { + if cmd.Flags().Changed("kubeconfig") { + path, err := cmd.Flags().GetString("kubeconfig") + if err != nil { + return "", err + } + return path, nil + } + if env := os.Getenv("KUBECONFIG"); env != "" { + return env, nil + } + home, err := os.UserHomeDir() + if err != nil { + return "", fmt.Errorf("could not determine home directory: %w", err) + } + return filepath.Join(home, ".kube", "config"), nil +} + +func writeKubeconfig(kubeconfigPath string, kc kubernetesCluster) error { + b, err := os.ReadFile(kubeconfigPath) + if err != nil && !errors.Is(err, os.ErrNotExist) { + return err + } + var cfg map[string]any + if err := yaml.Unmarshal(b, &cfg); err != nil { + return err + } + if cfg == nil { + cfg = map[string]any{ + "apiVersion": "v1", + "kind": "Config", + } + } + + cfg["clusters"] = appendWithName(cfg["clusters"], map[string]any{ + "name": kc.name, + "cluster": map[string]any{ + "server": kc.url.String(), + "insecure-skip-tls-verify": true, + }, + }) + cfg["users"] = appendWithName(cfg["users"], map[string]any{ + "name": "netbird", + "user": map[string]any{ + "token": "none", + }, + }) + cfg["contexts"] = appendWithName(cfg["contexts"], map[string]any{ + "name": kc.name, + "context": map[string]any{ + "cluster": kc.name, + "user": "netbird", + "namespace": "default", + }, + }) + cfg["current-context"] = kc.name + + out, err := yaml.Marshal(cfg) + if err != nil { + return err + } + if err := os.WriteFile(kubeconfigPath, out, 0o600); err != nil { + return err + } + return nil +} + +func appendWithName(data any, add map[string]any) any { + if data == nil { + return []any{add} + } + v, ok := data.([]any) + if !ok { + return []any{add} + } + i := slices.IndexFunc(v, func(item any) bool { + m, ok := item.(map[string]any) + if !ok { + return false + } + return m["name"] == add["name"] + }) + if i == -1 { + return append(v, add) + } + v[i] = add + return v +} diff --git a/client/cmd/kubernetes_test.go b/client/cmd/kubernetes_test.go new file mode 100644 index 000000000..c40d20996 --- /dev/null +++ b/client/cmd/kubernetes_test.go @@ -0,0 +1,120 @@ +package cmd + +import ( + "net/http" + "net/http/httptest" + "net/url" + "os" + "path/filepath" + "testing" + + "github.com/spf13/cobra" + "github.com/stretchr/testify/require" +) + +func TestFingerprintClusters(t *testing.T) { + t.Parallel() + + srv := httptest.NewTLSServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { + //nolint: errcheck + w.Write([]byte(`{"gitVersion": "foobar"}`)) + })) + defer srv.Close() + + clusterURL, clusterVersion, err := fingerprintClusters(t.Context(), srv.Client(), srv.Listener.Addr().String()) + require.NoError(t, err) + require.Equal(t, srv.URL, clusterURL.String()) + require.Equal(t, "foobar", clusterVersion) +} + +func TestResolveKubeconfigPath(t *testing.T) { + home, err := os.UserHomeDir() + if err != nil { + t.Fatalf("could not determine home directory: %v", err) + } + defaultPath := filepath.Join(home, ".kube", "config") + path, err := resolveKubeconfigPath(&cobra.Command{}) + require.NoError(t, err) + require.Equal(t, defaultPath, path) + + flagPath := "flag-path" + cmd := &cobra.Command{} + cmd.Flags().String("kubeconfig", "", "") + err = cmd.Flags().Set("kubeconfig", flagPath) + require.NoError(t, err) + path, err = resolveKubeconfigPath(cmd) + require.NoError(t, err) + require.Equal(t, flagPath, path) + + envPath := "env-path" + t.Setenv("KUBECONFIG", envPath) + path, err = resolveKubeconfigPath(&cobra.Command{}) + require.NoError(t, err) + require.Equal(t, envPath, path) +} + +func TestWriteKubeconfig(t *testing.T) { + t.Parallel() + + tests := []struct { + name string + existing string + }{ + { + name: "empty file", + }, + { + name: "existing content", + existing: `apiVersion: v1 +clusters: +- cluster: + insecure-skip-tls-verify: true + server: https://foobar.com + name: foo +current-context: test +kind: Config +users: [] +`, + }, + } + for _, tt := range tests { + t.Run(tt.name, func(t *testing.T) { + t.Parallel() + + kubeconfigPath := filepath.Join(t.TempDir(), "config") + err := os.WriteFile(kubeconfigPath, []byte(tt.existing), 0o644) + require.NoError(t, err) + + kc := kubernetesCluster{ + name: "foo", + url: &url.URL{Scheme: "https", Host: "example.com"}, + } + err = writeKubeconfig(kubeconfigPath, kc) + require.NoError(t, err) + + b, err := os.ReadFile(kubeconfigPath) + require.NoError(t, err) + expected := `apiVersion: v1 +clusters: +- cluster: + insecure-skip-tls-verify: true + server: https://example.com + name: foo +contexts: +- context: + cluster: foo + namespace: default + user: netbird + name: foo +current-context: foo +kind: Config +users: +- name: netbird + user: + token: none +` + require.Equal(t, expected, string(b)) + }) + } + +} diff --git a/client/cmd/root.go b/client/cmd/root.go index 0a0aa4197..b1d960bec 100644 --- a/client/cmd/root.go +++ b/client/cmd/root.go @@ -95,7 +95,9 @@ var ( } ) -// Execute executes the root command. +// Execute runs the appropriate Cobra command for the CLI. +// If the process is the update binary it delegates to updateCmd; otherwise it runs the root command. +// It returns any error produced during command execution. func Execute() error { if isUpdateBinary() { return updateCmd.Execute() @@ -103,6 +105,16 @@ func Execute() error { return rootCmd.Execute() } +// init initialises package-level defaults and configures the root +// Cobra command tree. Sets platform-specific config / log directory +// paths (including legacy Wiretrustee fallbacks) and a default daemon +// address; registers persistent CLI flags (daemon address, +// management / admin URLs, logging, setup key (file and inline, +// mutually exclusive), preshared key, hostname, anonymise, config +// path); attaches top-level and nested subcommands to the root +// command; and registers `up`-specific persistent flags (external IP +// maps, custom DNS resolver address, Rosenpass options, auto-connect +// disabling, lazy connection). func init() { defaultConfigPathDir = "/etc/netbird/" defaultLogFileDir = "/var/log/netbird/" @@ -168,6 +180,12 @@ func init() { logCmd.AddCommand(logLevelCmd) debugCmd.AddCommand(forCmd) debugCmd.AddCommand(persistenceCmd) + debugCmd.AddCommand(debugConfigCmd) + + // kubernetes commands + rootCmd.AddCommand(kubernetesCmd) + kubernetesCmd.AddCommand(kubernetesListCmd) + kubernetesCmd.AddCommand(kubernetesWriteKubeconfigCmd) // profile commands profileCmd.AddCommand(profileListCmd) diff --git a/client/embed/embed.go b/client/embed/embed.go index 04bc60fb8..0e8991be2 100644 --- a/client/embed/embed.go +++ b/client/embed/embed.go @@ -279,6 +279,10 @@ func (c *Client) Start(startCtx context.Context) error { select { case <-startCtx.Done(): + // Cancel the client context before stopping: Engine.Start blocks on the + // signal stream while holding the engine mutex and only unblocks on + // cancellation. Stopping first would deadlock on that mutex. + cancel() if stopErr := client.Stop(); stopErr != nil { return fmt.Errorf("stop error after context done. Stop error: %w. Context done: %w", stopErr, startCtx.Err()) } @@ -442,8 +446,8 @@ func (c *Client) Expose(ctx context.Context, req ExposeRequest) (*ExposeSession, // IdentityForIP looks up a remote peer by its tunnel IP using the // embedded client's status recorder. Returns the peer's WireGuard public -// key and FQDN. ok=false means the IP isn't in this client's peer -// roster — callers should treat that as "unknown peer". +// key and FQDN. ok=false means the IP doesn't belong to an active peer +// — offline roster peers are treated as unknown, same as foreign IPs. func (c *Client) IdentityForIP(ip netip.Addr) (pubKey, fqdn string, ok bool) { if !ip.IsValid() || c.recorder == nil { return "", "", false diff --git a/client/embed/embed_test.go b/client/embed/embed_test.go new file mode 100644 index 000000000..a2f438975 --- /dev/null +++ b/client/embed/embed_test.go @@ -0,0 +1,168 @@ +package embed + +import ( + "context" + "net" + "testing" + "time" + + "github.com/golang/mock/gomock" + "github.com/stretchr/testify/require" + "google.golang.org/grpc" + + "github.com/netbirdio/netbird/management/internals/controllers/network_map/controller" + "github.com/netbirdio/netbird/management/internals/controllers/network_map/update_channel" + "github.com/netbirdio/netbird/management/internals/modules/peers" + "github.com/netbirdio/netbird/management/internals/modules/peers/ephemeral/manager" + "github.com/netbirdio/netbird/management/internals/server/config" + nbgrpc "github.com/netbirdio/netbird/management/internals/shared/grpc" + mgmt "github.com/netbirdio/netbird/management/server" + "github.com/netbirdio/netbird/management/server/activity" + nbcache "github.com/netbirdio/netbird/management/server/cache" + "github.com/netbirdio/netbird/management/server/groups" + "github.com/netbirdio/netbird/management/server/integrations/integrated_validator/validator" + "github.com/netbirdio/netbird/management/server/integrations/port_forwarding" + "github.com/netbirdio/netbird/management/server/job" + "github.com/netbirdio/netbird/management/server/permissions" + "github.com/netbirdio/netbird/management/server/settings" + "github.com/netbirdio/netbird/management/server/store" + "github.com/netbirdio/netbird/management/server/telemetry" + "github.com/netbirdio/netbird/management/server/types" + mgmtProto "github.com/netbirdio/netbird/shared/management/proto" + "github.com/netbirdio/netbird/util" +) + +const testSetupKey = "A2C8E62B-38F5-4553-B31E-DD66C696CEBB" + +// TestClientStartTimeoutRollback reproduces a deadlock between Engine.Start and +// Engine.Stop. The signal endpoint accepts gRPC connections but never serves the +// SignalExchange service, so Engine.Start parks in WaitStreamConnected while +// holding the engine mutex. When the Start context expires, the rollback path +// calls ConnectClient.Stop, which must not block forever acquiring that mutex. +func TestClientStartTimeoutRollback(t *testing.T) { + signalAddr := startBlackholeSignal(t) + mgmAddr := startManagement(t, signalAddr) + + wgPort := 0 + client, err := New(Options{ + DeviceName: "embed-rollback-test", + SetupKey: testSetupKey, + ManagementURL: "http://" + mgmAddr, + WireguardPort: &wgPort, + }) + require.NoError(t, err, "embed client creation must succeed") + + startCtx, cancel := context.WithTimeout(context.Background(), 5*time.Second) + defer cancel() + + startErr := make(chan error, 1) + go func() { + startErr <- client.Start(startCtx) + }() + + select { + case err := <-startErr: + require.ErrorIs(t, err, context.DeadlineExceeded) + case <-time.After(60 * time.Second): + t.Fatal("client.Start did not return after its context expired: Engine.Stop deadlocked against Engine.Start waiting for the signal stream") + } +} + +// startBlackholeSignal starts a gRPC server without the SignalExchange service +// registered. Connections succeed, but the signal stream can never be +// established, which keeps Engine.Start parked in WaitStreamConnected. +func startBlackholeSignal(t *testing.T) string { + t.Helper() + + lis, err := net.Listen("tcp", "localhost:0") + require.NoError(t, err) + + s := grpc.NewServer() + go func() { + if err := s.Serve(lis); err != nil { + t.Error(err) + } + }() + t.Cleanup(s.Stop) + + return lis.Addr().String() +} + +func startManagement(t *testing.T, signalAddr string) string { + t.Helper() + + cfg := &config.Config{ + Stuns: []*config.Host{}, + TURNConfig: &config.TURNConfig{}, + Relay: &config.Relay{ + Addresses: []string{"127.0.0.1:1234"}, + CredentialsTTL: util.Duration{Duration: time.Hour}, + Secret: "222222222222222222", + }, + Signal: &config.Host{ + Proto: "http", + URI: signalAddr, + }, + Datadir: t.TempDir(), + HttpConfig: nil, + } + + lis, err := net.Listen("tcp", "localhost:0") + require.NoError(t, err) + + s := grpc.NewServer() + + testStore, cleanUp, err := store.NewTestStoreFromSQL(context.Background(), "../testdata/store.sql", cfg.Datadir) + require.NoError(t, err) + t.Cleanup(cleanUp) + + eventStore := &activity.InMemoryEventStore{} + + permissionsManager := permissions.NewManager(testStore) + peersManager := peers.NewManager(testStore, permissionsManager) + jobManager := job.NewJobManager(nil, testStore, peersManager) + + cacheStore, err := nbcache.NewStore(context.Background(), 100*time.Millisecond, 300*time.Millisecond, 100) + require.NoError(t, err) + + iv, err := validator.NewIntegratedValidator(context.Background(), peersManager, nil, eventStore, cacheStore) + require.NoError(t, err) + metrics, err := telemetry.NewDefaultAppMetrics(context.Background()) + require.NoError(t, err) + + ctrl := gomock.NewController(t) + t.Cleanup(ctrl.Finish) + settingsMockManager := settings.NewMockManager(ctrl) + settingsMockManager.EXPECT(). + GetSettings(gomock.Any(), gomock.Any(), gomock.Any()). + Return(&types.Settings{}, nil). + AnyTimes() + settingsMockManager.EXPECT(). + GetExtraSettings(gomock.Any(), gomock.Any()). + Return(&types.ExtraSettings{}, nil). + AnyTimes() + + groupsManager := groups.NewManagerMock() + + updateManager := update_channel.NewPeersUpdateManager(metrics) + requestBuffer := mgmt.NewAccountRequestBuffer(context.Background(), testStore) + networkMapController := controller.NewController(context.Background(), testStore, metrics, updateManager, requestBuffer, mgmt.MockIntegratedValidator{}, settingsMockManager, "netbird.selfhosted", port_forwarding.NewControllerMock(), manager.NewEphemeralManager(testStore, peersManager), cfg) + accountManager, err := mgmt.BuildManager(context.Background(), cfg, testStore, networkMapController, jobManager, nil, "", eventStore, nil, false, iv, metrics, port_forwarding.NewControllerMock(), settingsMockManager, permissionsManager, false, cacheStore) + require.NoError(t, err) + + secretsManager, err := nbgrpc.NewTimeBasedAuthSecretsManager(updateManager, cfg.TURNConfig, cfg.Relay, settingsMockManager, groupsManager) + require.NoError(t, err) + + mgmtServer, err := nbgrpc.NewServer(cfg, accountManager, settingsMockManager, jobManager, secretsManager, nil, nil, &mgmt.MockIntegratedValidator{}, networkMapController, nil, nil) + require.NoError(t, err) + mgmtProto.RegisterManagementServiceServer(s, mgmtServer) + + go func() { + if err := s.Serve(lis); err != nil { + t.Error(err) + } + }() + t.Cleanup(s.Stop) + + return lis.Addr().String() +} diff --git a/client/firewall/iptables/acl_linux.go b/client/firewall/iptables/acl_linux.go index e5e19cec9..4b4cebf9c 100644 --- a/client/firewall/iptables/acl_linux.go +++ b/client/firewall/iptables/acl_linux.go @@ -3,6 +3,7 @@ package iptables import ( "errors" "fmt" + "maps" "net" "slices" @@ -421,12 +422,17 @@ func (m *aclManager) updateState() { currentState.Lock() defer currentState.Unlock() + // Clone the maps so the persisted state holds a private snapshot. The + // live maps keep being mutated by subsequent rule operations while the + // state manager marshals the state from its periodic-save goroutine. + // Sharing them by reference races the two and aborts the process with a + // concurrent map iteration and write. if m.v6 { - currentState.ACLEntries6 = m.entries - currentState.ACLIPsetStore6 = m.ipsetStore + currentState.ACLEntries6 = maps.Clone(m.entries) + currentState.ACLIPsetStore6 = m.ipsetStore.clone() } else { - currentState.ACLEntries = m.entries - currentState.ACLIPsetStore = m.ipsetStore + currentState.ACLEntries = maps.Clone(m.entries) + currentState.ACLIPsetStore = m.ipsetStore.clone() } if err := m.stateManager.UpdateState(currentState); err != nil { diff --git a/client/firewall/iptables/router_linux.go b/client/firewall/iptables/router_linux.go index 290e5da1e..42d305f5c 100644 --- a/client/firewall/iptables/router_linux.go +++ b/client/firewall/iptables/router_linux.go @@ -4,6 +4,7 @@ package iptables import ( "fmt" + "maps" "net/netip" "strconv" "strings" @@ -749,11 +750,17 @@ func (r *router) updateState() { currentState.Lock() defer currentState.Unlock() + // Clone the rule map so the persisted state holds a private snapshot. The + // live map keeps being mutated by subsequent rule operations while the + // state manager marshals the state from its periodic-save goroutine. + // Sharing it by reference races the two and aborts the process with a + // concurrent map iteration and write. The ipset counter guards itself + // during marshaling, so it can be shared directly. if r.v6 { - currentState.RouteRules6 = r.rules + currentState.RouteRules6 = maps.Clone(r.rules) currentState.RouteIPsetCounter6 = r.ipsetCounter } else { - currentState.RouteRules = r.rules + currentState.RouteRules = maps.Clone(r.rules) currentState.RouteIPsetCounter = r.ipsetCounter } diff --git a/client/firewall/iptables/rulestore_linux.go b/client/firewall/iptables/rulestore_linux.go index 004c512a4..a6d36540e 100644 --- a/client/firewall/iptables/rulestore_linux.go +++ b/client/firewall/iptables/rulestore_linux.go @@ -1,6 +1,9 @@ package iptables -import "encoding/json" +import ( + "encoding/json" + "maps" +) type ipList struct { ips map[string]struct{} @@ -19,6 +22,14 @@ func (s *ipList) addIP(ip string) { s.ips[ip] = struct{}{} } +// clone returns a deep copy of the ipList with its own ips map. +func (s *ipList) clone() *ipList { + if s == nil { + return nil + } + return &ipList{ips: maps.Clone(s.ips)} +} + // MarshalJSON implements json.Marshaler func (s *ipList) MarshalJSON() ([]byte, error) { return json.Marshal(struct { @@ -55,6 +66,19 @@ func newIpsetStore() *ipsetStore { } } +// clone returns a deep copy of the ipsetStore with its own ipsets map and +// independent ipList entries. +func (s *ipsetStore) clone() *ipsetStore { + if s == nil { + return nil + } + cloned := &ipsetStore{ipsets: make(map[string]*ipList, len(s.ipsets))} + for name, list := range s.ipsets { + cloned.ipsets[name] = list.clone() + } + return cloned +} + func (s *ipsetStore) ipset(ipsetName string) (*ipList, bool) { r, ok := s.ipsets[ipsetName] return r, ok diff --git a/client/internal/debug/debug.go b/client/internal/debug/debug.go index 9ab18dd80..05501320c 100644 --- a/client/internal/debug/debug.go +++ b/client/internal/debug/debug.go @@ -516,6 +516,14 @@ func (g *BundleGenerator) addConfig() error { } } + // Surface the set of MDM-enforced keys so a support engineer reading + // the bundle can tell which field values are user-set vs MDM-overridden. + // Same semantics as the mDMManagedFields list returned by the + // GetConfig RPC consumed by `netbird debug config`. + if managed := g.internalConfig.Policy().ManagedKeys(); len(managed) > 0 { + configContent.WriteString(fmt.Sprintf("MDMManagedFields: %v\n", managed)) + } + configReader := strings.NewReader(configContent.String()) if err := g.addFileToZip(configReader, "config.txt"); err != nil { return fmt.Errorf("add config file to zip: %w", err) diff --git a/client/internal/debug/debug_test.go b/client/internal/debug/debug_test.go index 39b972244..76df588a5 100644 --- a/client/internal/debug/debug_test.go +++ b/client/internal/debug/debug_test.go @@ -843,6 +843,7 @@ func TestAddConfig_AllFieldsCovered(t *testing.T) { "PreSharedKey": "sensitive: WireGuard pre-shared key", "SSHKey": "sensitive: SSH private key", "ClientCertKeyPair": "non-config: parsed cert pair, not serialized", + "policy": "non-config: in-memory MDM policy snapshot, surfaced via Config.Policy() / GetConfigResponse.MDMManagedFields", } mURL, _ := url.Parse("https://api.example.com:443") diff --git a/client/internal/dns/local/local.go b/client/internal/dns/local/local.go index d13aa672e..d0268186c 100644 --- a/client/internal/dns/local/local.go +++ b/client/internal/dns/local/local.go @@ -482,7 +482,7 @@ func (d *Resolver) logDNSError(logger *log.Entry, hostname string, qtype uint16, // completely when every proxy peer is offline (the upstream may still // be reachable some other way, or the peerstore may be stale). func (d *Resolver) filterDisconnectedPeerAnswers(logger *log.Entry, question dns.Question, records []dns.RR) []dns.RR { - if len(records) == 0 { + if len(records) < 2 { return records } d.mu.RLock() diff --git a/client/internal/dns/local/local_test.go b/client/internal/dns/local/local_test.go index fdf7f2659..9b7dac231 100644 --- a/client/internal/dns/local/local_test.go +++ b/client/internal/dns/local/local_test.go @@ -2738,6 +2738,17 @@ func TestLocalResolver_FilterDisconnectedPeerAnswers(t *testing.T) { connByIP: nil, wantInOrder: []string{"100.64.0.10", "100.64.0.11"}, }, + { + // A single answer is never filtered: dropping it would only + // trigger the empty-answer escape hatch, so the fast path + // returns it untouched. + name: "single disconnected answer passes through", + records: []nbdns.SimpleRecord{disconnectedRec}, + connByIP: map[string]ipState{ + "100.64.0.11": {known: true, connected: false}, + }, + wantInOrder: []string{"100.64.0.11"}, + }, } for _, tc := range tests { diff --git a/client/internal/dns/resutil/resolve.go b/client/internal/dns/resutil/resolve.go index 5a3744719..07a70d6d1 100644 --- a/client/internal/dns/resutil/resolve.go +++ b/client/internal/dns/resutil/resolve.go @@ -14,6 +14,10 @@ import ( log "github.com/sirupsen/logrus" ) +// errNoSuitableAddress mirrors the unexported error string the net package +// uses when a resolved host has no addresses of the requested family. +const errNoSuitableAddress = "no suitable address found" + // GenerateRequestID creates a random 8-character hex string for request tracing. func GenerateRequestID() string { bytes := make([]byte, 4) @@ -126,6 +130,14 @@ func LookupIP(ctx context.Context, r resolver, network, host string, qtype uint1 } func getRcodeForError(ctx context.Context, r resolver, host string, qtype uint16, err error) int { + // The net package returns this AddrError when the host resolves but has + // no addresses of the requested family. The domain exists, so answer + // NODATA instead of SERVFAIL. + var addrErr *net.AddrError + if errors.As(err, &addrErr) && addrErr.Err == errNoSuitableAddress { + return dns.RcodeSuccess + } + var dnsErr *net.DNSError if !errors.As(err, &dnsErr) { return dns.RcodeServerFailure diff --git a/client/internal/dns/resutil/resolve_test.go b/client/internal/dns/resutil/resolve_test.go new file mode 100644 index 000000000..432367c22 --- /dev/null +++ b/client/internal/dns/resutil/resolve_test.go @@ -0,0 +1,122 @@ +package resutil + +import ( + "context" + "errors" + "net" + "net/netip" + "testing" + + "github.com/miekg/dns" + "github.com/stretchr/testify/assert" + "github.com/stretchr/testify/require" +) + +type mockResolver struct { + // results maps network ("ip4"/"ip6") to the lookup outcome. + results map[string]mockLookup +} + +type mockLookup struct { + ips []netip.Addr + err error +} + +func (m *mockResolver) LookupNetIP(_ context.Context, network, _ string) ([]netip.Addr, error) { + res, ok := m.results[network] + if !ok { + return nil, errors.New("unexpected network: " + network) + } + return res.ips, res.err +} + +func TestLookupIP_Success(t *testing.T) { + r := &mockResolver{results: map[string]mockLookup{ + "ip4": {ips: []netip.Addr{netip.MustParseAddr("::ffff:192.0.2.1")}}, + }} + + result := LookupIP(context.Background(), r, "ip4", "example.com.", dns.TypeA) + + assert.Equal(t, dns.RcodeSuccess, result.Rcode, "successful lookup should return NOERROR") + require.Len(t, result.IPs, 1, "should return the resolved address") + assert.Equal(t, netip.MustParseAddr("192.0.2.1"), result.IPs[0], "v4-mapped address should be unmapped") +} + +func TestLookupIP_NoSuitableAddress(t *testing.T) { + // The net package returns this AddrError when the host resolves but has + // no addresses of the requested family (e.g. AAAA query for a v4-only + // hosts file entry). The domain exists, so this is NODATA, not SERVFAIL. + r := &mockResolver{results: map[string]mockLookup{ + "ip6": {err: &net.AddrError{Err: "no suitable address found", Addr: "example.com."}}, + }} + + result := LookupIP(context.Background(), r, "ip6", "example.com.", dns.TypeAAAA) + + assert.Equal(t, dns.RcodeSuccess, result.Rcode, "no suitable address should map to NODATA") + assert.Empty(t, result.IPs, "NODATA response should carry no addresses") +} + +// TestErrNoSuitableAddressMatchesNetPackage pins our copy of the error string +// to what the net package actually emits. A literal IP of the wrong family +// takes the same filterAddrList path as a resolved hostname, without network +// access. +func TestErrNoSuitableAddressMatchesNetPackage(t *testing.T) { + _, err := (&net.Resolver{}).LookupNetIP(context.Background(), "ip6", "192.0.2.1") + require.Error(t, err) + + var addrErr *net.AddrError + require.ErrorAs(t, err, &addrErr, "wrong-family lookup should return AddrError") + assert.Equal(t, errNoSuitableAddress, addrErr.Err, "net package error string should match our constant") +} + +func TestLookupIP_OtherAddrError(t *testing.T) { + r := &mockResolver{results: map[string]mockLookup{ + "ip4": {err: &net.AddrError{Err: "some other address problem", Addr: "example.com."}}, + }} + + result := LookupIP(context.Background(), r, "ip4", "example.com.", dns.TypeA) + + assert.Equal(t, dns.RcodeServerFailure, result.Rcode, "unrecognized AddrError should map to SERVFAIL") +} + +func TestLookupIP_NotFoundNXDomain(t *testing.T) { + r := &mockResolver{results: map[string]mockLookup{ + "ip4": {err: &net.DNSError{Err: "no such host", Name: "example.com.", IsNotFound: true}}, + "ip6": {err: &net.DNSError{Err: "no such host", Name: "example.com.", IsNotFound: true}}, + }} + + result := LookupIP(context.Background(), r, "ip4", "example.com.", dns.TypeA) + + assert.Equal(t, dns.RcodeNameError, result.Rcode, "not found for both families should map to NXDOMAIN") +} + +func TestLookupIP_NotFoundNoData(t *testing.T) { + r := &mockResolver{results: map[string]mockLookup{ + "ip6": {err: &net.DNSError{Err: "no such host", Name: "example.com.", IsNotFound: true}}, + "ip4": {ips: []netip.Addr{netip.MustParseAddr("192.0.2.1")}}, + }} + + result := LookupIP(context.Background(), r, "ip6", "example.com.", dns.TypeAAAA) + + assert.Equal(t, dns.RcodeSuccess, result.Rcode, "not found with the other family present should map to NODATA") +} + +func TestLookupIP_GenericError(t *testing.T) { + r := &mockResolver{results: map[string]mockLookup{ + "ip4": {err: errors.New("connection refused")}, + }} + + result := LookupIP(context.Background(), r, "ip4", "example.com.", dns.TypeA) + + assert.Equal(t, dns.RcodeServerFailure, result.Rcode, "generic error should map to SERVFAIL") +} + +func TestLookupIP_DNSErrorNotIsNotFound(t *testing.T) { + r := &mockResolver{results: map[string]mockLookup{ + "ip4": {err: &net.DNSError{Err: "server misbehaving", Name: "example.com.", IsTemporary: true}}, + }} + + result := LookupIP(context.Background(), r, "ip4", "example.com.", dns.TypeA) + + assert.Equal(t, dns.RcodeServerFailure, result.Rcode, "upstream failure should map to SERVFAIL") +} diff --git a/client/internal/dns/server.go b/client/internal/dns/server.go index 7a35e56d8..dcd4cb9d0 100644 --- a/client/internal/dns/server.go +++ b/client/internal/dns/server.go @@ -777,13 +777,24 @@ func (s *DefaultServer) applyHostConfig() { // context is released rather than leaked until GC. func (s *DefaultServer) registerFallback() { originalNameservers := s.hostManager.getOriginalNameservers() - if len(originalNameservers) == 0 { + + serverIP := s.service.RuntimeIP() + var servers []netip.AddrPort + for _, ns := range originalNameservers { + if ns == serverIP { + log.Debugf("skipping original nameserver %s as it is the same as the server IP %s", ns, serverIP) + continue + } + servers = append(servers, netip.AddrPortFrom(ns, DefaultPort)) + } + + if len(servers) == 0 { log.Debugf("no fallback upstreams to register; clearing PriorityFallback handler") s.clearFallback() return } - log.Infof("registering original nameservers %v as upstream handlers with priority %d", originalNameservers, PriorityFallback) + log.Infof("registering original nameservers %v as upstream handlers with priority %d", servers, PriorityFallback) handler, err := newUpstreamResolver( s.ctx, @@ -797,11 +808,6 @@ func (s *DefaultServer) registerFallback() { return } handler.selectedRoutes = s.selectedRoutes - - var servers []netip.AddrPort - for _, ns := range originalNameservers { - servers = append(servers, netip.AddrPortFrom(ns, DefaultPort)) - } handler.addRace(servers) prev := s.fallbackHandler diff --git a/client/internal/engine.go b/client/internal/engine.go index 980326720..2b41d2015 100644 --- a/client/internal/engine.go +++ b/client/internal/engine.go @@ -880,62 +880,25 @@ func (e *Engine) handleSync(update *mgmProto.SyncResponse) error { e.handleAutoUpdateVersion(update.NetworkMap.PeerConfig.AutoUpdate) } - if update.GetNetbirdConfig() != nil { - wCfg := update.GetNetbirdConfig() - err := e.updateTURNs(wCfg.GetTurns()) - if err != nil { - return fmt.Errorf("update TURNs: %w", err) - } + if err := e.updateNetbirdConfig(update.GetNetbirdConfig()); err != nil { + return err + } - err = e.updateSTUNs(wCfg.GetStuns()) - if err != nil { - return fmt.Errorf("update STUNs: %w", err) - } - - var stunTurn []*stun.URI - stunTurn = append(stunTurn, e.STUNs...) - stunTurn = append(stunTurn, e.TURNs...) - e.stunTurn.Store(stunTurn) - - err = e.handleRelayUpdate(wCfg.GetRelay()) - if err != nil { - return err - } - - err = e.handleFlowUpdate(wCfg.GetFlow()) - if err != nil { - return fmt.Errorf("handle the flow configuration: %w", err) - } - - if err := e.PopulateNetbirdConfig(wCfg, nil); err != nil { - log.Warnf("Failed to update DNS server config: %v", err) - } - - // todo update signal + // Posture checks are bound to the network map presence: + // NetworkMap != nil, checks present -> apply the received checks + // NetworkMap != nil, checks nil -> posture checks were removed, clear them + // NetworkMap == nil -> config-only update (e.g. relay token rotation), + // leave the previously applied checks untouched + nm := update.GetNetworkMap() + if nm == nil { + return nil } if err := e.updateChecksIfNew(update.Checks); err != nil { return err } - nm := update.GetNetworkMap() - if nm == nil { - return nil - } - - // Persist sync response under the dedicated lock (syncRespMux), not under syncMsgMux. - // A non-nil syncStore is what marks persistence as enabled. Hold the lock for - // the whole Set so the store cannot be cleared (disabled / engine close) - // mid-call and have this write resurrect a file that was just removed. - e.syncRespMux.RLock() - if e.syncStore != nil { - if err := e.syncStore.Set(update); err != nil { - log.Errorf("failed to persist sync response: %v", err) - } else { - log.Debugf("sync response persisted with serial %d", nm.GetSerial()) - } - } - e.syncRespMux.RUnlock() + e.persistSyncResponse(update) // only apply new changes and ignore old ones if err := e.updateNetworkMap(nm); err != nil { @@ -947,6 +910,64 @@ func (e *Engine) handleSync(update *mgmProto.SyncResponse) error { return nil } +// updateNetbirdConfig applies the management-provided NetBird configuration: +// STUN/TURN and relay servers, flow logging and DNS settings. A nil config is a no-op, +// which is the case for sync updates carrying only a network map. +func (e *Engine) updateNetbirdConfig(wCfg *mgmProto.NetbirdConfig) error { + if wCfg == nil { + return nil + } + + if err := e.updateTURNs(wCfg.GetTurns()); err != nil { + return fmt.Errorf("update TURNs: %w", err) + } + + if err := e.updateSTUNs(wCfg.GetStuns()); err != nil { + return fmt.Errorf("update STUNs: %w", err) + } + + var stunTurn []*stun.URI + stunTurn = append(stunTurn, e.STUNs...) + stunTurn = append(stunTurn, e.TURNs...) + e.stunTurn.Store(stunTurn) + + if err := e.handleRelayUpdate(wCfg.GetRelay()); err != nil { + return err + } + + if err := e.handleFlowUpdate(wCfg.GetFlow()); err != nil { + return fmt.Errorf("handle the flow configuration: %w", err) + } + + if err := e.PopulateNetbirdConfig(wCfg, nil); err != nil { + log.Warnf("Failed to update DNS server config: %v", err) + } + + // todo update signal + + return nil +} + +// persistSyncResponse stores the full sync response so it can be restored on the next +// startup. Persistence is enabled only when syncStore is set. The dedicated syncRespMux +// (not syncMsgMux) is held for the whole Set so the store cannot be cleared (disabled / +// engine close) mid-call and have this write resurrect a file that was just removed. +func (e *Engine) persistSyncResponse(update *mgmProto.SyncResponse) { + e.syncRespMux.RLock() + defer e.syncRespMux.RUnlock() + + if e.syncStore == nil { + return + } + + if err := e.syncStore.Set(update); err != nil { + log.Errorf("failed to persist sync response: %v", err) + return + } + + log.Debugf("sync response persisted with serial %d", update.GetNetworkMap().GetSerial()) +} + func (e *Engine) handleRelayUpdate(update *mgmProto.RelayConfig) error { if update != nil { // when we receive token we expect valid address list too diff --git a/client/internal/peer/conn_status.go b/client/internal/peer/conn_status.go index b43e245f3..d6ad37b70 100644 --- a/client/internal/peer/conn_status.go +++ b/client/internal/peer/conn_status.go @@ -26,7 +26,6 @@ type connStatusInputs struct { iceInProgress bool // a negotiation is currently in flight } - // ConnStatus describe the status of a peer's connection type ConnStatus int32 diff --git a/client/internal/peer/status.go b/client/internal/peer/status.go index b6c6c14ac..31e0d6e25 100644 --- a/client/internal/peer/status.go +++ b/client/internal/peer/status.go @@ -193,6 +193,7 @@ func (s *StatusChangeSubscription) Events() chan map[string]RouterState { type Status struct { mux sync.RWMutex peers map[string]State + ipToKey map[string]string changeNotify map[string]map[string]*StatusChangeSubscription // map[peerID]map[subscriptionID]*StatusChangeSubscription signalState bool signalError error @@ -231,6 +232,7 @@ type Status struct { func NewRecorder(mgmAddress string) *Status { return &Status{ peers: make(map[string]State), + ipToKey: make(map[string]string), changeNotify: make(map[string]map[string]*StatusChangeSubscription), eventStreams: make(map[string]chan *proto.SystemEvent), eventQueue: NewEventQueue(eventQueueSize), @@ -282,6 +284,12 @@ func (d *Status) AddPeer(peerPubKey string, fqdn string, ip string, ipv6 string) Mux: new(sync.RWMutex), } d.peerListChangedForNotification = true + if ipv6 != "" { + d.ipToKey[ipv6] = peerPubKey + } + if ip != "" { + d.ipToKey[ip] = peerPubKey + } return nil } @@ -311,28 +319,22 @@ func (d *Status) PeerByIP(ip string) (string, bool) { // PeerStateByIP returns the full peer State for the given tunnel IP. // Matches against either the IPv4 (State.IP) or IPv6 (State.IPv6) tunnel -// address so dual-stack peers are reachable on either family. Searches -// both d.peers and d.offlinePeers — peers that have been moved into -// the offline slice by ReplaceOfflinePeers are still part of the -// account's roster and callers (DNS filter, embed.Client.IdentityForIP) -// need to recognise them rather than treating them as unknown. Returns -// the zero State and false when no peer matches or the input is empty. +// address so dual-stack peers are reachable on either family. Only +// active peers are matched; peers moved into the offline slice by +// ReplaceOfflinePeers are intentionally treated as unknown. func (d *Status) PeerStateByIP(ip string) (State, bool) { if ip == "" { return State{}, false } d.mux.RLock() defer d.mux.RUnlock() - - for _, state := range d.peers { - if (state.IP != "" && state.IP == ip) || (state.IPv6 != "" && state.IPv6 == ip) { - return state, true - } + key, ok := d.ipToKey[ip] + if !ok { + return State{}, false } - for _, state := range d.offlinePeers { - if (state.IP != "" && state.IP == ip) || (state.IPv6 != "" && state.IPv6 == ip) { - return state, true - } + state, ok := d.peers[key] + if ok { + return state, true } return State{}, false } @@ -342,12 +344,18 @@ func (d *Status) RemovePeer(peerPubKey string) error { d.mux.Lock() defer d.mux.Unlock() - _, ok := d.peers[peerPubKey] + p, ok := d.peers[peerPubKey] if !ok { return errors.New("no peer with to remove") } delete(d.peers, peerPubKey) + if mappedKey, exists := d.ipToKey[p.IP]; exists && mappedKey == peerPubKey { + delete(d.ipToKey, p.IP) + } + if mappedKey, exists := d.ipToKey[p.IPv6]; exists && mappedKey == peerPubKey { + delete(d.ipToKey, p.IPv6) + } d.peerListChangedForNotification = true return nil } diff --git a/client/internal/peer/status_test.go b/client/internal/peer/status_test.go index 97fb32c03..17ed47cd3 100644 --- a/client/internal/peer/status_test.go +++ b/client/internal/peer/status_test.go @@ -90,12 +90,11 @@ func TestStatus_PeerStateByIP_MatchesIPv6(t *testing.T) { req.Equal("pk-1", state.PubKey, "matching state must carry the right pub key") } -// TestStatus_PeerStateByIP_MatchesOfflinePeers covers peers that have -// been moved into the offline slice via ReplaceOfflinePeers. Callers -// (DNS filter, embed.Client.IdentityForIP) need to treat them as known -// rather than unknown — otherwise authentication / DNS filtering treats -// known-but-offline peers as foreign IPs. -func TestStatus_PeerStateByIP_MatchesOfflinePeers(t *testing.T) { +// TestStatus_PeerStateByIP_IgnoresOfflinePeers documents that peers +// moved into the offline slice via ReplaceOfflinePeers are intentionally +// not resolvable by IP: only active peers can carry traffic, so callers +// (DNS filter, embed.Client.IdentityForIP) treat them as unknown. +func TestStatus_PeerStateByIP_IgnoresOfflinePeers(t *testing.T) { status := NewRecorder("https://mgm") req := require.New(t) @@ -103,13 +102,31 @@ func TestStatus_PeerStateByIP_MatchesOfflinePeers(t *testing.T) { {PubKey: "pk-offline", FQDN: "offline.netbird", IP: "100.64.0.20", IPv6: "fd00::20"}, }) - state, ok := status.PeerStateByIP("100.64.0.20") - req.True(ok, "offline peer must resolve by IPv4 tunnel address") - req.Equal("pk-offline", state.PubKey, "matching state must carry the offline peer's pub key") + _, ok := status.PeerStateByIP("100.64.0.20") + req.False(ok, "offline peer must not resolve by IPv4 tunnel address") - state, ok = status.PeerStateByIP("fd00::20") - req.True(ok, "offline peer must resolve by IPv6 tunnel address") - req.Equal("pk-offline", state.PubKey, "IPv6 match must carry the offline peer's pub key") + _, ok = status.PeerStateByIP("fd00::20") + req.False(ok, "offline peer must not resolve by IPv6 tunnel address") +} + +// TestStatus_PeerStateByIP_RemovedPeer verifies RemovePeer drops the +// IP index entries for both address families. +func TestStatus_PeerStateByIP_RemovedPeer(t *testing.T) { + status := NewRecorder("https://mgm") + req := require.New(t) + + req.NoError(status.AddPeer("pk-1", "peer-1.netbird", "100.64.0.10", "fd00::1")) + + _, ok := status.PeerStateByIP("100.64.0.10") + req.True(ok, "active peer must resolve before removal") + + req.NoError(status.RemovePeer("pk-1")) + + _, ok = status.PeerStateByIP("100.64.0.10") + req.False(ok, "removed peer must not resolve by IPv4 tunnel address") + + _, ok = status.PeerStateByIP("fd00::1") + req.False(ok, "removed peer must not resolve by IPv6 tunnel address") } func TestStatus_UpdatePeerFQDN(t *testing.T) { diff --git a/client/internal/profilemanager/config.go b/client/internal/profilemanager/config.go index cd5bc0680..b0c7fd470 100644 --- a/client/internal/profilemanager/config.go +++ b/client/internal/profilemanager/config.go @@ -22,6 +22,7 @@ import ( "github.com/netbirdio/netbird/client/iface" "github.com/netbirdio/netbird/client/internal/routemanager/dynamic" + "github.com/netbirdio/netbird/client/mdm" "github.com/netbirdio/netbird/client/ssh" mgm "github.com/netbirdio/netbird/shared/management/client" "github.com/netbirdio/netbird/shared/management/domain" @@ -57,6 +58,10 @@ var DefaultInterfaceBlacklist = []string{ "Tailscale", "tailscale", "docker", "veth", "br-", "lo", } +// loadMDMPolicy is the package-level indirection used by apply() to read the +// active MDM policy. Tests override this to inject a fake policy. +var loadMDMPolicy = mdm.LoadPolicy + // ConfigInput carries configuration changes to the client type ConfigInput struct { ManagementURL string @@ -174,6 +179,23 @@ type Config struct { LazyConnectionEnabled bool MTU uint16 + + // policy is the MDM policy that produced the currently-set values for + // any MDM-enforced fields. Set by applyMDMPolicy at the tail of apply() + // and reset on every apply() invocation. Never persisted to disk. + // Callers query enforcement state via Policy() and the mdm.Policy API + // (HasKey, ManagedKeys, IsEmpty). + policy *mdm.Policy `json:"-"` +} + +// Policy returns the MDM policy applied to this Config. Returns a non-nil +// empty Policy when MDM enforcement is inactive; callers can always invoke +// HasKey / ManagedKeys / IsEmpty without a nil check. +func (config *Config) Policy() *mdm.Policy { + if config == nil || config.policy == nil { + return mdm.NewPolicy(nil) + } + return config.policy } var ConfigDirOverride string @@ -612,10 +634,93 @@ func (config *Config) apply(input ConfigInput) (updated bool, err error) { updated = true } + // MDM is the last override layer: any key present in the policy + // supersedes defaults, on-disk config, env vars and CLI input. + config.applyMDMPolicy(loadMDMPolicy()) + return updated, nil } -// parseURL parses and validates a service URL +// applyMDMPolicy overlays MDM-supplied values on top of the resolved Config. +// The provided Policy is also stored on the Config so callers can later query +// which fields are enforced. Invalid values (e.g. malformed URLs) are logged +// and skipped to avoid bricking the client; the field keeps its previous +// resolved value but is still marked as managed (Policy.HasKey returns true +// for the key, so per-field rejection of user writes still applies). +func (config *Config) applyMDMPolicy(policy *mdm.Policy) { + config.policy = policy + if policy.IsEmpty() { + return + } + + // Helper: log the application of a single MDM-managed key. Values for + // keys in mdm.SecretKeys are redacted. + logApplied := func(key string, displayValue any) { + if _, secret := mdm.SecretKeys[key]; secret { + log.Infof("MDM override %s = ********** (secret)", key) + return + } + log.Infof("MDM override %s = %v", key, displayValue) + } + + if v, ok := policy.GetString(mdm.KeyManagementURL); ok { + if u, err := parseURL("Management URL", v); err != nil { + log.Warnf("MDM management URL %q invalid: %v; keeping previous value", v, err) + } else { + config.ManagementURL = u + logApplied(mdm.KeyManagementURL, u.String()) + } + } + + if v, ok := policy.GetString(mdm.KeyPreSharedKey); ok { + // Defensive: refuse the redaction mask in case it round-tripped + // through a manifest by mistake. + if !isPreSharedKeyHidden(&v) { + config.PreSharedKey = v + logApplied(mdm.KeyPreSharedKey, "") + } + } + + // applyBool collapses the per-key "read + set + log" boilerplate + // for every plain bool MDM key into a single helper. Keeps the + // outer function's cognitive complexity below SonarCube's + // threshold; functional behaviour is identical to the inlined + // branches it replaces. + applyBool := func(key string, setter func(bool)) { + v, ok := policy.GetBool(key) + if !ok { + return + } + setter(v) + logApplied(key, v) + } + + applyBool(mdm.KeyAllowServerSSH, func(v bool) { bv := v; config.ServerSSHAllowed = &bv }) + applyBool(mdm.KeyDisableClientRoutes, func(v bool) { config.DisableClientRoutes = v }) + applyBool(mdm.KeyDisableServerRoutes, func(v bool) { config.DisableServerRoutes = v }) + applyBool(mdm.KeyBlockInbound, func(v bool) { config.BlockInbound = v }) + applyBool(mdm.KeyDisableAutoConnect, func(v bool) { config.DisableAutoConnect = v }) + applyBool(mdm.KeyRosenpassEnabled, func(v bool) { config.RosenpassEnabled = v }) + applyBool(mdm.KeyRosenpassPermissive, func(v bool) { config.RosenpassPermissive = v }) + + if v, ok := policy.GetInt(mdm.KeyWireguardPort); ok { + // REG_DWORD is 32-bit; UDP port range is 1-65535. Clamp at the + // upper bound and reject obviously-invalid values to avoid the + // engine binding to an unusable port if the admin pushes garbage. + if v >= 1 && v <= 65535 { + config.WgPort = int(v) + logApplied(mdm.KeyWireguardPort, v) + } else { + log.Warnf("MDM wireguard port %d out of range [1,65535]; keeping previous value", v) + } + } +} + +// parseURL parses and validates the URL for the named service. The URL +// must use the http or https scheme; if no port is present, ":443" is +// appended for https or ":80" for http. The serviceName parameter is +// used to contextualise error messages. On success returns the parsed +// *url.URL; on failure returns a non-nil error. func parseURL(serviceName, serviceURL string) (*url.URL, error) { parsedMgmtURL, err := url.ParseRequestURI(serviceURL) if err != nil { diff --git a/client/internal/profilemanager/config_mdm_test.go b/client/internal/profilemanager/config_mdm_test.go new file mode 100644 index 000000000..6a201235e --- /dev/null +++ b/client/internal/profilemanager/config_mdm_test.go @@ -0,0 +1,152 @@ +package profilemanager + +import ( + "path/filepath" + "testing" + + "github.com/stretchr/testify/assert" + "github.com/stretchr/testify/require" + + "github.com/netbirdio/netbird/client/mdm" +) + +// withMDMPolicy temporarily overrides the package-level loadMDMPolicy hook so +// apply() observes the supplied Policy. The original loader is restored at +// test cleanup. +func withMDMPolicy(t *testing.T, policy *mdm.Policy) { + t.Helper() + prev := loadMDMPolicy + loadMDMPolicy = func() *mdm.Policy { return policy } + t.Cleanup(func() { loadMDMPolicy = prev }) +} + +func TestApply_MDMEmpty_NoEnforcement(t *testing.T) { + withMDMPolicy(t, mdm.NewPolicy(nil)) + + cfg, err := UpdateOrCreateConfig(ConfigInput{ + ConfigPath: filepath.Join(t.TempDir(), "config.json"), + }) + require.NoError(t, err) + require.NotNil(t, cfg) + + assert.True(t, cfg.Policy().IsEmpty(), "no MDM source ⇒ empty Policy") + assert.False(t, cfg.Policy().HasKey(mdm.KeyManagementURL)) + assert.Empty(t, cfg.Policy().ManagedKeys()) + + // Default management URL still resolves. + assert.Equal(t, DefaultManagementURL, cfg.ManagementURL.String()) +} + +func TestApply_MDMOnly_OverridesDefaults(t *testing.T) { + const mdmURL = "https://corp.mdm.example.com:443" + withMDMPolicy(t, mdm.NewPolicy(map[string]any{ + mdm.KeyManagementURL: mdmURL, + mdm.KeyDisableClientRoutes: true, + mdm.KeyBlockInbound: true, + })) + + cfg, err := UpdateOrCreateConfig(ConfigInput{ + ConfigPath: filepath.Join(t.TempDir(), "config.json"), + }) + require.NoError(t, err) + require.NotNil(t, cfg) + + assert.Equal(t, mdmURL, cfg.ManagementURL.String()) + assert.True(t, cfg.DisableClientRoutes) + assert.True(t, cfg.BlockInbound) + + assert.True(t, cfg.Policy().HasKey(mdm.KeyManagementURL)) + assert.True(t, cfg.Policy().HasKey(mdm.KeyDisableClientRoutes)) + assert.True(t, cfg.Policy().HasKey(mdm.KeyBlockInbound)) + assert.False(t, cfg.Policy().HasKey(mdm.KeyAllowServerSSH)) +} + +func TestApply_MDMBeatsCLIInput(t *testing.T) { + const mdmURL = "https://mdm.example.com:443" + const cliURL = "https://cli.example.com:443" + + withMDMPolicy(t, mdm.NewPolicy(map[string]any{ + mdm.KeyManagementURL: mdmURL, + })) + + cfg, err := UpdateOrCreateConfig(ConfigInput{ + ConfigPath: filepath.Join(t.TempDir(), "config.json"), + ManagementURL: cliURL, + }) + require.NoError(t, err) + require.NotNil(t, cfg) + + // MDM wins over CLI-supplied management URL. + assert.Equal(t, mdmURL, cfg.ManagementURL.String()) + assert.True(t, cfg.Policy().HasKey(mdm.KeyManagementURL)) +} + +func TestApply_MDMInvalidURL_KeepsPreviousValue(t *testing.T) { + withMDMPolicy(t, mdm.NewPolicy(map[string]any{ + mdm.KeyManagementURL: "not-a-url", + })) + + cfg, err := UpdateOrCreateConfig(ConfigInput{ + ConfigPath: filepath.Join(t.TempDir(), "config.json"), + }) + require.NoError(t, err) + require.NotNil(t, cfg) + + // Invalid MDM URL is logged and skipped: default URL stays in place + // to keep the client functional. + assert.Equal(t, DefaultManagementURL, cfg.ManagementURL.String()) + + // But the key is still considered MDM-managed (admin intent is to + // enforce, daemon rejects user writes to this field — phase-1 scaffolding + // reflects this by keeping Policy.HasKey true even on parse failure). + assert.True(t, cfg.Policy().HasKey(mdm.KeyManagementURL)) +} + +func TestApply_MDMBoolKeysOverrideOnDiskValue(t *testing.T) { + tmp := filepath.Join(t.TempDir(), "config.json") + + // Seed without MDM. + withMDMPolicy(t, mdm.NewPolicy(nil)) + _, err := UpdateOrCreateConfig(ConfigInput{ + ConfigPath: tmp, + DisableClientRoutes: boolPtr(false), + RosenpassEnabled: boolPtr(false), + }) + require.NoError(t, err) + + // Now enable MDM enforcement for these keys. + withMDMPolicy(t, mdm.NewPolicy(map[string]any{ + mdm.KeyDisableClientRoutes: true, + mdm.KeyRosenpassEnabled: true, + })) + + cfg, err := UpdateOrCreateConfig(ConfigInput{ConfigPath: tmp}) + require.NoError(t, err) + require.NotNil(t, cfg) + + assert.True(t, cfg.DisableClientRoutes, "MDM override should flip on-disk false to true") + assert.True(t, cfg.RosenpassEnabled) + assert.True(t, cfg.Policy().HasKey(mdm.KeyDisableClientRoutes)) + assert.True(t, cfg.Policy().HasKey(mdm.KeyRosenpassEnabled)) +} + +func TestApply_MDMPreSharedKeyRedactionSentinelRejected(t *testing.T) { + const maskSentinel = "**********" + + withMDMPolicy(t, mdm.NewPolicy(map[string]any{ + mdm.KeyPreSharedKey: maskSentinel, + })) + + cfg, err := UpdateOrCreateConfig(ConfigInput{ + ConfigPath: filepath.Join(t.TempDir(), "config.json"), + }) + require.NoError(t, err) + require.NotNil(t, cfg) + + // Mask sentinel must not be persisted as the actual PSK. + assert.NotEqual(t, maskSentinel, cfg.PreSharedKey) + // Key still marked managed so user writes are still rejected. + assert.True(t, cfg.Policy().HasKey(mdm.KeyPreSharedKey)) +} + +func boolPtr(b bool) *bool { return &b } diff --git a/client/internal/routemanager/manager.go b/client/internal/routemanager/manager.go index 839ec14c0..f10a2b5e0 100644 --- a/client/internal/routemanager/manager.go +++ b/client/internal/routemanager/manager.go @@ -700,6 +700,13 @@ func resolveURLsToIPs(urls []string) []net.IP { // updateRouteSelectorFromManagement updates the route selector based on the isSelected status from the management server func (m *DefaultManager) updateRouteSelectorFromManagement(clientRoutes route.HAMap) { + // An explicit user "deselect all" must not be overridden by management auto-apply. + // Auto-applying an exit node here would call SelectRoutes, which clears the + // deselect-all flag and re-enables every route the user turned off. + if m.routeSelector.IsDeselectAll() { + return + } + exitNodeInfo := m.collectExitNodeInfo(clientRoutes) if len(exitNodeInfo.allIDs) == 0 { return diff --git a/client/internal/routemanager/selector_management_test.go b/client/internal/routemanager/selector_management_test.go new file mode 100644 index 000000000..04659db65 --- /dev/null +++ b/client/internal/routemanager/selector_management_test.go @@ -0,0 +1,71 @@ +package routemanager + +import ( + "net/netip" + "testing" + + "github.com/stretchr/testify/require" + + "github.com/netbirdio/netbird/client/internal/routeselector" + "github.com/netbirdio/netbird/route" +) + +func exitNodeRoutes(netID route.NetID, skipAutoApply bool) route.HAMap { + haID := route.HAUniqueID(string(netID) + "|0.0.0.0/0") + return route.HAMap{ + haID: []*route.Route{ + { + ID: "r-" + route.ID(netID), + NetID: netID, + Network: netip.MustParsePrefix("0.0.0.0/0"), + NetworkType: route.IPv4Network, + Enabled: true, + SkipAutoApply: skipAutoApply, + }, + }, + } +} + +func TestUpdateRouteSelectorFromManagement(t *testing.T) { + t.Run("management auto-apply selects exit node without user selection", func(t *testing.T) { + m := &DefaultManager{routeSelector: routeselector.NewRouteSelector()} + routes := exitNodeRoutes("exit1", false) + + m.updateRouteSelectorFromManagement(routes) + + require.True(t, m.routeSelector.IsSelected("exit1"), "auto-apply exit node should be selected") + require.Len(t, m.routeSelector.FilterSelectedExitNodes(routes), 1, "selected exit node should pass the filter") + }) + + t.Run("management SkipAutoApply leaves exit node deselected", func(t *testing.T) { + m := &DefaultManager{routeSelector: routeselector.NewRouteSelector()} + routes := exitNodeRoutes("exit1", true) + + m.updateRouteSelectorFromManagement(routes) + + require.False(t, m.routeSelector.IsSelected("exit1"), "SkipAutoApply exit node should not be selected") + require.Empty(t, m.routeSelector.FilterSelectedExitNodes(routes), "deselected exit node should be filtered out") + }) + + t.Run("user selection is not overridden by management", func(t *testing.T) { + m := &DefaultManager{routeSelector: routeselector.NewRouteSelector()} + require.NoError(t, m.routeSelector.SelectRoutes([]route.NetID{"exit1"}, true, []route.NetID{"exit1"})) + routes := exitNodeRoutes("exit1", true) + + m.updateRouteSelectorFromManagement(routes) + + require.True(t, m.routeSelector.IsSelected("exit1"), "explicit user selection must survive a management sync that wants to skip auto-apply") + require.Len(t, m.routeSelector.FilterSelectedExitNodes(routes), 1, "user-selected exit node should pass the filter") + }) + + t.Run("deselect-all is preserved across a management sync", func(t *testing.T) { + m := &DefaultManager{routeSelector: routeselector.NewRouteSelector()} + m.routeSelector.DeselectAllRoutes() + routes := exitNodeRoutes("exit1", false) + + m.updateRouteSelectorFromManagement(routes) + + require.True(t, m.routeSelector.IsDeselectAll(), "an explicit deselect-all must not be cleared by management auto-apply") + require.Empty(t, m.routeSelector.FilterSelectedExitNodes(routes), "no routes should be selected while deselect-all is set") + }) +} diff --git a/client/internal/routeselector/routeselector.go b/client/internal/routeselector/routeselector.go index 2ddc24bf2..b9991cd37 100644 --- a/client/internal/routeselector/routeselector.go +++ b/client/internal/routeselector/routeselector.go @@ -116,6 +116,14 @@ func (rs *RouteSelector) DeselectAllRoutes() { clear(rs.selectedRoutes) } +// IsDeselectAll reports whether the user has explicitly deselected all routes. +func (rs *RouteSelector) IsDeselectAll() bool { + rs.mu.RLock() + defer rs.mu.RUnlock() + + return rs.deselectAll +} + // IsSelected checks if a specific route is selected. func (rs *RouteSelector) IsSelected(routeID route.NetID) bool { rs.mu.RLock() diff --git a/client/mdm/canonical_loaders.go b/client/mdm/canonical_loaders.go new file mode 100644 index 000000000..6e7ab19cb --- /dev/null +++ b/client/mdm/canonical_loaders.go @@ -0,0 +1,50 @@ +//go:build windows || darwin + +package mdm + +import "strings" + +// allKeys is the set of recognised MDM keys. Unknown keys in a managed +// configuration are ignored but logged. Lives in this build-tagged file +// (windows || darwin) because only desktop loaders need the +// canonicalisation table that consumes it; including it unconditionally +// would trigger the `unused` golangci-lint check on platforms that +// don't import canonical_loaders.go. +var allKeys = []string{ + KeyManagementURL, + KeyDisableUpdateSettings, + KeyDisableProfiles, + KeyDisableNetworks, + KeyDisableClientRoutes, + KeyDisableServerRoutes, + KeyBlockInbound, + KeyDisableMetricsCollection, + KeyAllowServerSSH, + KeyDisableAutoConnect, + KeyPreSharedKey, + KeyRosenpassEnabled, + KeyRosenpassPermissive, + KeyWireguardPort, + KeySplitTunnelMode, + KeySplitTunnelApps, +} + +// canonicalKey maps the lowercase form of a managed-config value name to +// its canonical mdm.Key* form. Admins commonly write PascalCase value +// names in ADMX / Group Policy ("ManagementURL"); the iOS/AppConfig and +// macOS plist conventions are camelCase ("managementURL"); both must +// resolve to the same Policy lookup. +// +// Lives in a desktop-loader-only file (build tag `windows || darwin`) +// because no other build path consumes it. Linux / FreeBSD / mobile +// builds don't ship a platform loader that reads arbitrary-case key +// names, so they don't need the canonicalisation table — and including +// the var unconditionally would trigger the `unused` golangci-lint +// check on those platforms. +var canonicalKey = func() map[string]string { + m := make(map[string]string, len(allKeys)) + for _, k := range allKeys { + m[strings.ToLower(k)] = k + } + return m +}() diff --git a/client/mdm/policy.go b/client/mdm/policy.go new file mode 100644 index 000000000..109fb322e --- /dev/null +++ b/client/mdm/policy.go @@ -0,0 +1,247 @@ +// Package mdm reads MDM-managed configuration from platform-native sources +// (plist on macOS, registry on Windows, UserDefaults on iOS, +// RestrictionsManager on Android). The returned Policy is consumed by +// profilemanager.Config.apply() as the highest-priority override layer. +// +// An empty Policy (no source present, or source present with zero keys) +// means no MDM enforcement is active and the client behaves as if the +// feature did not exist. +package mdm + +import ( + "sort" + "strconv" + + log "github.com/sirupsen/logrus" +) + +// Well-known policy keys. Names mirror the corresponding ConfigInput Go field +// names (lowerCamelCase) so the daemon can map a Policy key directly to a +// configuration field. +const ( + KeyManagementURL = "managementURL" + KeyDisableUpdateSettings = "disableUpdateSettings" + KeyDisableProfiles = "disableProfiles" + KeyDisableNetworks = "disableNetworks" + KeyDisableClientRoutes = "disableClientRoutes" + KeyDisableServerRoutes = "disableServerRoutes" + KeyBlockInbound = "blockInbound" + KeyDisableMetricsCollection = "disableMetricsCollection" + KeyAllowServerSSH = "allowServerSSH" + KeyDisableAutoConnect = "disableAutoConnect" + KeyPreSharedKey = "preSharedKey" + KeyRosenpassEnabled = "rosenpassEnabled" + KeyRosenpassPermissive = "rosenpassPermissive" + KeyWireguardPort = "wireguardPort" + + // Split tunnel is modeled as a single conceptual policy with two + // registry/plist values. KeySplitTunnelMode is the discriminator + // ("allow" or "disallow"); KeySplitTunnelApps is a comma-separated + // list of package names. The values are mutually exclusive by + // construction — only one mode can be set at a time. + KeySplitTunnelMode = "splitTunnelMode" + KeySplitTunnelApps = "splitTunnelApps" +) + +// Split-tunnel mode literals (KeySplitTunnelMode values). +const ( + SplitTunnelModeAllow = "allow" + SplitTunnelModeDisallow = "disallow" +) + +// SecretKeys lists keys whose values must be redacted in logs. +var SecretKeys = map[string]struct{}{ + KeyPreSharedKey: {}, +} + +// boolStringLiterals enumerates the textual boolean encodings the +// platform loaders may produce (Windows REG_SZ "true", iOS / Android +// managed-config booleans-as-strings, etc.). Lookup keeps GetBool flat +// (no nested switch on the string case). +var boolStringLiterals = map[string]bool{ + "true": true, + "1": true, + "yes": true, + "false": false, + "0": false, + "no": false, +} + + +// Policy holds MDM-managed settings read from the platform source. A nil or +// empty Policy means no enforcement is active. +type Policy struct { + values map[string]any +} + +// NewPolicy constructs a Policy from a key→value map. Pass nil or an +// empty map to construct an empty (no-enforcement) Policy. The returned +// *Policy is always non-nil. +func NewPolicy(values map[string]any) *Policy { + if values == nil { + values = map[string]any{} + } + return &Policy{values: values} +} + +// LoadPolicy reads the platform-native MDM configuration. Returns an +// empty (but non-nil) Policy when no source is present, the source is +// empty, or the platform is unsupported. +// +// Diagnostic logging differentiates the three states: +// - source absent / unsupported platform: trace log only +// - source present, zero keys: info "MDM enrolled (no managed keys)" +// - source present, N keys: info "MDM enrolled with N managed keys: [...]" +func LoadPolicy() *Policy { + values, err := loadPlatformPolicy() + if err != nil { + log.Tracef("MDM policy load: %v", err) + return &Policy{values: map[string]any{}} + } + if values == nil { + return &Policy{values: map[string]any{}} + } + if len(values) == 0 { + log.Info("MDM enrolled (no managed keys)") + } else { + log.Infof("MDM enrolled with %d managed key(s): %v", len(values), sortedKeys(values)) + } + return &Policy{values: values} +} + +// IsEmpty reports whether the Policy has no managed keys. +func (p *Policy) IsEmpty() bool { + return p == nil || len(p.values) == 0 +} + +// HasKey reports whether the given key is MDM-managed. +func (p *Policy) HasKey(key string) bool { + if p == nil { + return false + } + _, ok := p.values[key] + return ok +} + +// ManagedKeys returns the sorted list of managed key names. Returns an empty +// slice (not nil) on an empty Policy. +func (p *Policy) ManagedKeys() []string { + if p == nil { + return []string{} + } + return sortedKeys(p.values) +} + +// GetString returns the managed value for key coerced to string, and whether +// the key was set. A non-string value returns ("", false). +func (p *Policy) GetString(key string) (string, bool) { + if p == nil { + return "", false + } + v, ok := p.values[key] + if !ok { + return "", false + } + s, ok := v.(string) + if !ok || s == "" { + return "", false + } + return s, true +} + +// GetBool returns the managed value for key coerced to bool, and whether the +// key was set. Accepts native bool and string literals "true"/"false"/"1"/"0". +func (p *Policy) GetBool(key string) (bool, bool) { + if p == nil { + return false, false + } + v, ok := p.values[key] + if !ok { + return false, false + } + switch t := v.(type) { + case bool: + return t, true + case string: + b, known := boolStringLiterals[t] + return b, known + case int: + return t != 0, true + case int64: + return t != 0, true + } + return false, false +} + +// GetInt returns the managed value for key as int64, and whether the key +// was set. Accepts native int / int64 (as produced by the Windows registry +// loader for REG_DWORD/REG_QWORD) and numeric strings (decimal). +func (p *Policy) GetInt(key string) (int64, bool) { + if p == nil { + return 0, false + } + v, ok := p.values[key] + if !ok { + return 0, false + } + switch t := v.(type) { + case int64: + return t, true + case int: + return int64(t), true + case int32: + return int64(t), true + case uint64: + return int64(t), true + case float64: + return int64(t), true + case string: + if n, err := strconv.ParseInt(t, 10, 64); err == nil { + return n, true + } + } + return 0, false +} + +// GetStringSlice returns the managed value for key as []string, and whether +// the key was set. Accepts []string, []any (of strings), and a single string +// (treated as a one-element list). +func (p *Policy) GetStringSlice(key string) ([]string, bool) { + if p == nil { + return nil, false + } + v, ok := p.values[key] + if !ok { + return nil, false + } + switch t := v.(type) { + case []string: + return append([]string(nil), t...), true + case []any: + out := make([]string, 0, len(t)) + for _, item := range t { + s, ok := item.(string) + if !ok { + return nil, false + } + out = append(out, s) + } + return out, true + case string: + return []string{t}, true + } + return nil, false +} + +// sortedKeys returns the keys of m as a deterministic, lexicographically +// sorted slice. Used internally by Policy.ManagedKeys and LoadPolicy's +// diagnostic log line so callers see a stable key order across runs +// regardless of Go's randomised map iteration. +func sortedKeys(m map[string]any) []string { + out := make([]string, 0, len(m)) + for k := range m { + out = append(out, k) + } + sort.Strings(out) + return out +} diff --git a/client/mdm/policy_darwin.go b/client/mdm/policy_darwin.go new file mode 100644 index 000000000..57aa1168c --- /dev/null +++ b/client/mdm/policy_darwin.go @@ -0,0 +1,90 @@ +//go:build darwin && !ios + +package mdm + +import ( + "errors" + "fmt" + "io/fs" + "os" + "strings" + + log "github.com/sirupsen/logrus" + "howett.net/plist" +) + +// policyPlistPath is the well-known location where macOS writes the +// device-level mandatory MDM payload for NetBird. The path is fixed by +// Apple convention: when an MDM provider (Jamf / Kandji / Mosyle / +// Intune for Mac / Workspace ONE) pushes a Configuration Profile that +// contains a com.apple.ManagedClient.preferences payload targeting the +// bundle id io.netbird.client, the OS materializes the payload here. +// +// Read-only — only the OS (root) is supposed to write this file. The +// loader sanity-checks the file mode and refuses to honour a world- +// writable plist, as a defense against tampered installs. +const policyPlistPath = "/Library/Managed Preferences/io.netbird.client.plist" + +// loadPlatformPolicy reads the MDM-managed configuration from the macOS +// managed-preferences plist at policyPlistPath. Returns: +// - (nil, nil) when the plist is absent (device not MDM-enrolled for +// NetBird, or admin has not yet pushed a payload) +// - (map, nil) with N entries when N managed values are present +// (N may be 0 — empty plist still signals enrollment to the caller) +// - (nil, err) on permission / parse / safety errors (including +// refusal to read a world-writable plist) +// +// Top-level plist keys are canonicalised case-insensitively to the +// package's internal mdm.Key* names; unknown keys are logged and +// skipped so a stray entry in the payload does not block startup. +// Native plist value types map naturally onto the Policy accessor +// expectations (GetString / GetBool / GetInt / GetStringSlice). +func loadPlatformPolicy() (map[string]any, error) { + f, err := os.Open(policyPlistPath) + if err != nil { + if errors.Is(err, fs.ErrNotExist) { + // Not enrolled for NetBird. Caller treats nil as + // "no MDM source present". + //nolint:nilnil // (nil, nil) is the documented platform-absent sentinel; see LoadPolicy. + return nil, nil + } + return nil, fmt.Errorf("open %s: %w", policyPlistPath, err) + } + defer func() { + if closeErr := f.Close(); closeErr != nil { + log.Warnf("MDM close plist %s: %v", policyPlistPath, closeErr) + } + }() + + info, err := f.Stat() + if err != nil { + return nil, fmt.Errorf("stat %s: %w", policyPlistPath, err) + } + // World-writable plist => tampered install. Refuse rather than + // honour potentially attacker-controlled policy values. + if info.Mode().Perm()&0o002 != 0 { + return nil, fmt.Errorf("refusing to read world-writable MDM source %s (mode %o)", + policyPlistPath, info.Mode().Perm()) + } + + raw := make(map[string]any) + if err := plist.NewDecoder(f).Decode(&raw); err != nil { + return nil, fmt.Errorf("decode plist %s: %w", policyPlistPath, err) + } + + out := make(map[string]any, len(raw)) + for name, val := range raw { + // macOS / AppConfig conventions both use camelCase for managed + // preferences keys; canonicalize to the mdm.Key* form so a key + // written as "ManagementURL" (PascalCase, rare on macOS but + // possible if the admin reused an ADMX-style name) still + // resolves. + canonical, known := canonicalKey[strings.ToLower(name)] + if !known { + log.Warnf("MDM ignoring unknown plist key %s: %s", policyPlistPath, name) + continue + } + out[canonical] = val + } + return out, nil +} diff --git a/client/mdm/policy_mobile.go b/client/mdm/policy_mobile.go new file mode 100644 index 000000000..ec25d4bb1 --- /dev/null +++ b/client/mdm/policy_mobile.go @@ -0,0 +1,14 @@ +//go:build ios || android + +package mdm + +// loadPlatformPolicy is unused on mobile: the native layer (Swift on iOS, +// Kotlin/Java on Android) reads the OS managed-config store and pushes the +// resulting dictionary in-process via a gomobile entry point that lands in +// Phase 5 / Phase 6. The stub keeps the package compilable for mobile +// builds and returns (nil, nil) — the platform-absent sentinel that +// LoadPolicy in policy.go treats as "no MDM source present". +func loadPlatformPolicy() (map[string]any, error) { + //nolint:nilnil // (nil, nil) is the documented platform-absent sentinel; see LoadPolicy. + return nil, nil +} diff --git a/client/mdm/policy_other.go b/client/mdm/policy_other.go new file mode 100644 index 000000000..f4263afa2 --- /dev/null +++ b/client/mdm/policy_other.go @@ -0,0 +1,14 @@ +//go:build !windows && !darwin && !ios && !android + +package mdm + +// loadPlatformPolicy returns no policy on platforms without an MDM channel +// (Linux, FreeBSD). MDM enforcement is off and the client behaves as if +// the feature did not exist. Returns (nil, nil) — the platform-absent +// sentinel the caller (LoadPolicy in policy.go) treats as "no MDM +// source present"; an error here would just translate to the same +// outcome with an extra log line. +func loadPlatformPolicy() (map[string]any, error) { + //nolint:nilnil // (nil, nil) is the documented platform-absent sentinel; see LoadPolicy. + return nil, nil +} diff --git a/client/mdm/policy_test.go b/client/mdm/policy_test.go new file mode 100644 index 000000000..47a6ed2c9 --- /dev/null +++ b/client/mdm/policy_test.go @@ -0,0 +1,160 @@ +package mdm + +import ( + "testing" + + "github.com/stretchr/testify/assert" + "github.com/stretchr/testify/require" +) + +func TestPolicy_NilSafe(t *testing.T) { + var p *Policy + assert.True(t, p.IsEmpty()) + assert.False(t, p.HasKey(KeyManagementURL)) + assert.Empty(t, p.ManagedKeys()) + + _, ok := p.GetString(KeyManagementURL) + assert.False(t, ok) + _, ok = p.GetBool(KeyDisableProfiles) + assert.False(t, ok) + _, ok = p.GetStringSlice(KeySplitTunnelApps) + assert.False(t, ok) +} + +func TestPolicy_Empty(t *testing.T) { + p := NewPolicy(nil) + require.NotNil(t, p) + assert.True(t, p.IsEmpty()) + assert.False(t, p.HasKey(KeyManagementURL)) + assert.Empty(t, p.ManagedKeys()) +} + +func TestPolicy_HasKey(t *testing.T) { + p := NewPolicy(map[string]any{ + KeyManagementURL: "https://corp.example.com", + KeyDisableProfiles: true, + }) + assert.False(t, p.IsEmpty()) + assert.True(t, p.HasKey(KeyManagementURL)) + assert.True(t, p.HasKey(KeyDisableProfiles)) + assert.False(t, p.HasKey(KeyPreSharedKey)) +} + +func TestPolicy_ManagedKeysSorted(t *testing.T) { + p := NewPolicy(map[string]any{ + KeyDisableProfiles: true, + KeyManagementURL: "https://x", + KeyAllowServerSSH: false, + }) + got := p.ManagedKeys() + assert.Equal(t, []string{KeyAllowServerSSH, KeyDisableProfiles, KeyManagementURL}, got) +} + +func TestPolicy_GetString(t *testing.T) { + p := NewPolicy(map[string]any{ + KeyManagementURL: "https://corp.example.com", + KeyDisableProfiles: true, // wrong type for GetString + KeyPreSharedKey: "", // empty rejected + }) + v, ok := p.GetString(KeyManagementURL) + assert.True(t, ok) + assert.Equal(t, "https://corp.example.com", v) + + _, ok = p.GetString(KeyDisableProfiles) + assert.False(t, ok, "non-string value must not be reported as string") + + _, ok = p.GetString(KeyPreSharedKey) + assert.False(t, ok, "empty string treated as unset") + + _, ok = p.GetString("nonexistent") + assert.False(t, ok) +} + +func TestPolicy_GetBool(t *testing.T) { + cases := []struct { + name string + raw any + want bool + ok bool + }{ + {"native true", true, true, true}, + {"native false", false, false, true}, + {"string true", "true", true, true}, + {"string false", "false", false, true}, + {"string 1", "1", true, true}, + {"string 0", "0", false, true}, + {"string yes", "yes", true, true}, + {"string no", "no", false, true}, + {"int nonzero", 1, true, true}, + {"int zero", 0, false, true}, + {"int64 nonzero", int64(2), true, true}, + {"int64 zero", int64(0), false, true}, + {"string garbage", "maybe", false, false}, + {"float unsupported", 1.0, false, false}, + } + for _, c := range cases { + t.Run(c.name, func(t *testing.T) { + p := NewPolicy(map[string]any{KeyDisableProfiles: c.raw}) + got, ok := p.GetBool(KeyDisableProfiles) + assert.Equal(t, c.ok, ok) + if c.ok { + assert.Equal(t, c.want, got) + } + }) + } + + _, ok := NewPolicy(nil).GetBool(KeyDisableProfiles) + assert.False(t, ok) +} + +func TestPolicy_GetStringSlice(t *testing.T) { + t.Run("native string slice", func(t *testing.T) { + p := NewPolicy(map[string]any{ + KeySplitTunnelApps: []string{"com.a", "com.b"}, + }) + got, ok := p.GetStringSlice(KeySplitTunnelApps) + assert.True(t, ok) + assert.Equal(t, []string{"com.a", "com.b"}, got) + }) + + t.Run("any slice of strings", func(t *testing.T) { + p := NewPolicy(map[string]any{ + KeySplitTunnelApps: []any{"com.a", "com.b"}, + }) + got, ok := p.GetStringSlice(KeySplitTunnelApps) + assert.True(t, ok) + assert.Equal(t, []string{"com.a", "com.b"}, got) + }) + + t.Run("single string lifts to one-element slice", func(t *testing.T) { + p := NewPolicy(map[string]any{ + KeySplitTunnelApps: "com.a", + }) + got, ok := p.GetStringSlice(KeySplitTunnelApps) + assert.True(t, ok) + assert.Equal(t, []string{"com.a"}, got) + }) + + t.Run("mixed any slice rejected", func(t *testing.T) { + p := NewPolicy(map[string]any{ + KeySplitTunnelApps: []any{"com.a", 1}, + }) + _, ok := p.GetStringSlice(KeySplitTunnelApps) + assert.False(t, ok) + }) + + t.Run("missing key", func(t *testing.T) { + p := NewPolicy(nil) + _, ok := p.GetStringSlice(KeySplitTunnelApps) + assert.False(t, ok) + }) +} + +func TestLoadPolicy_PlatformStubReturnsEmpty(t *testing.T) { + // loadPlatformPolicy is a stub on every OS for Phase 1. LoadPolicy must + // degrade gracefully and never return nil. + p := LoadPolicy() + require.NotNil(t, p) + assert.True(t, p.IsEmpty()) + assert.Empty(t, p.ManagedKeys()) +} diff --git a/client/mdm/policy_windows.go b/client/mdm/policy_windows.go new file mode 100644 index 000000000..0c2629f98 --- /dev/null +++ b/client/mdm/policy_windows.go @@ -0,0 +1,108 @@ +//go:build windows + +package mdm + +import ( + "errors" + "fmt" + "strings" + + log "github.com/sirupsen/logrus" + "golang.org/x/sys/windows/registry" +) + +// policyRegistryPath is the well-known MDM policy registry key for NetBird. +// Admins push values here through Group Policy, Intune ADMX ingestion, an +// Intune custom Registry CSP profile, or `reg add` during MSI deployment. +// Listed in the project's docs/mdm/netbird.admx schema. +const policyRegistryPath = `Software\Policies\NetBird` + +// readRegistryValue reads a single value under policyRegistryPath and, +// on success, stores the type-coerced result in out[canonical]. Type +// coercion mirrors loadPlatformPolicy's documented mapping: +// - REG_SZ / REG_EXPAND_SZ -> string (REG_EXPAND_SZ is expanded by the API) +// - REG_DWORD / REG_QWORD -> int64 +// - REG_MULTI_SZ -> []string +// +// Unsupported value types and per-value read failures are logged at +// warn level and skipped — one malformed value must not block the +// surrounding loop. Extracted from loadPlatformPolicy to keep that +// function's cognitive complexity in check. +func readRegistryValue(k registry.Key, name, canonical string, out map[string]any) { + _, valType, err := k.GetValue(name, nil) + if err != nil { + log.Warnf("MDM stat %s\\%s: %v", policyRegistryPath, name, err) + return + } + switch valType { + case registry.SZ, registry.EXPAND_SZ: + if v, _, err := k.GetStringValue(name); err == nil { + out[canonical] = v + } else { + log.Warnf("MDM read string %s\\%s: %v", policyRegistryPath, name, err) + } + case registry.DWORD, registry.QWORD: + if v, _, err := k.GetIntegerValue(name); err == nil { + // uint64 from the registry API; Policy.GetBool / GetInt + // helpers consume int64, so narrow safely. + out[canonical] = int64(v) + } else { + log.Warnf("MDM read int %s\\%s: %v", policyRegistryPath, name, err) + } + case registry.MULTI_SZ: + if v, _, err := k.GetStringsValue(name); err == nil { + out[canonical] = v + } else { + log.Warnf("MDM read multi-string %s\\%s: %v", policyRegistryPath, name, err) + } + default: + log.Warnf("MDM ignoring unsupported registry value type %d at %s\\%s", + valType, policyRegistryPath, name) + } +} + +// loadPlatformPolicy reads the MDM-managed configuration from the +// Windows registry under HKLM\Software\Policies\NetBird. Returns: +// - (nil, nil) when the key is absent (device not MDM-enrolled for NetBird) +// - (map, nil) with N entries when N managed values are set (N may be 0) +// - (nil, err) on open / enumerate registry errors +// +// Per-value type coercion + skip-on-error is delegated to +// readRegistryValue. Unknown value names are logged and skipped so a +// malformed deployment does not block startup. +func loadPlatformPolicy() (map[string]any, error) { + k, err := registry.OpenKey(registry.LOCAL_MACHINE, policyRegistryPath, registry.QUERY_VALUE) + if err != nil { + if errors.Is(err, registry.ErrNotExist) { + // Not enrolled. Caller treats nil as "no MDM source present". + //nolint:nilnil // (nil, nil) is the documented platform-absent sentinel; see LoadPolicy. + return nil, nil + } + return nil, fmt.Errorf("open %s: %w", policyRegistryPath, err) + } + defer func() { + if closeErr := k.Close(); closeErr != nil { + log.Warnf("MDM close registry key %s: %v", policyRegistryPath, closeErr) + } + }() + + names, err := k.ReadValueNames(-1) + if err != nil { + return nil, fmt.Errorf("enumerate values of %s: %w", policyRegistryPath, err) + } + + out := make(map[string]any, len(names)) + for _, name := range names { + // Canonicalize the registry value name against the known MDM key + // set so Policy.HasKey lookups (which use the canonical names) + // succeed regardless of the casing used by the admin's ADMX or + // `reg add` command. + canonical, known := canonicalKey[strings.ToLower(name)] + if !known { + log.Warnf("MDM ignoring unknown registry value %s\\%s", policyRegistryPath, name) + continue + } + readRegistryValue(k, name, canonical, out) + } + return out, nil +} diff --git a/client/mdm/ticker.go b/client/mdm/ticker.go new file mode 100644 index 000000000..abd6ae233 --- /dev/null +++ b/client/mdm/ticker.go @@ -0,0 +1,129 @@ +package mdm + +import ( + "context" + "reflect" + "sort" + "time" + + log "github.com/sirupsen/logrus" +) + +// DefaultReloadInterval is the production cadence at which the desktop daemon +// re-reads the OS-native MDM policy. Picked to balance responsiveness against +// registry/plist I/O overhead. Mobile builds use OS-side notifications +// instead, hence anticipating the ticker mechanism entirely. +const DefaultReloadInterval = 1 * time.Minute + +// policyLoader is the indirection through which the ticker reads the +// OS-native policy, both for the initial observation and on every tick. +// Production points it at LoadPolicy; tests in this package override it to +// feed a scripted sequence of policies without touching the real OS store. +var policyLoader = LoadPolicy + +// Ticker periodically re-reads the OS-native MDM policy via LoadPolicy and +// invokes the onChange callback (supplied to Run) whenever the observed +// Policy diverges from the last observation (added / removed / changed +// keys). Launch with Run from a goroutine; cancel the supplied context +// to stop. +type Ticker struct { + interval time.Duration + prev *Policy +} + +// NewTicker constructs a Ticker that will re-read the OS-native policy +// every reloadInterval once Run is called. +// The initial snapshot is populated by calling policyLoader at +// construction time so the first tick only fires +// onChange when the policy actually changed since boot — without +// this baseline the first tick would report every currently-managed +// key as "added" and trigger a spurious engine restart. +func NewTicker(reloadInterval time.Duration) *Ticker { + return &Ticker{ + interval: reloadInterval, + prev: policyLoader(), + } +} + +// Run blocks until ctx is cancelled, polling the OS-native policy store at +// the configured cadence and emitting log lines + onChange callback on +// every observed diff. onChange must be non-nil. +func (t *Ticker) Run(ctx context.Context, onChange func(prev, curr *Policy) error) { + tk := time.NewTicker(t.interval) + defer tk.Stop() + log.Infof("MDM policy reload ticker started (interval=%s)", t.interval) + for { + select { + case <-ctx.Done(): + log.Info("MDM policy reload ticker stopped") + return + case <-tk.C: + curr := policyLoader() + if policiesEqual(t.prev, curr) { + continue + } + added, removed, changed := diffPolicies(t.prev, curr) + log.Infof("MDM policy changed: added=%v removed=%v changed=%v", + added, removed, changed) + prev := t.prev + if err := onChange(prev, curr); err != nil { + log.Errorf("MDM policy change handler failed (retrying in 1 minute): %v", err) + continue + } + t.prev = curr + } + } +} + +// policiesEqual reports whether two Policy instances carry the same +// managed key set with identical values. Nil and empty policies +// compare equal; one-nil/one-non-empty compare not equal; otherwise +// the underlying values maps are compared with reflect.DeepEqual. +func policiesEqual(a, b *Policy) bool { + if a.IsEmpty() && b.IsEmpty() { + return true + } + if a == nil || b == nil { + return false + } + return reflect.DeepEqual(a.values, b.values) +} + +// diffPolicies returns the keys added in curr, removed from prev, and +// whose values changed between prev and curr. Each slice is sorted +// lexicographically for stable log output; value differences are +// determined with reflect.DeepEqual. +func diffPolicies(prev, curr *Policy) (added, removed, changed []string) { + prevKVs := mapOf(prev) + currKVs := mapOf(curr) + for k := range currKVs { + if _, ok := prevKVs[k]; !ok { + added = append(added, k) + } else if !reflect.DeepEqual(prevKVs[k], currKVs[k]) { + changed = append(changed, k) + } + } + for k := range prevKVs { + if _, ok := currKVs[k]; !ok { + removed = append(removed, k) + } + } + sort.Strings(added) + sort.Strings(removed) + sort.Strings(changed) + return added, removed, changed +} + +// mapOf returns a (possibly empty, never nil) copy of the underlying +// values map of a Policy so callers outside this package can compare +// keys/values across the type boundary. Returns an empty map on nil p. +func mapOf(p *Policy) map[string]any { + if p == nil { + return map[string]any{} + } + out := make(map[string]any, len(p.values)) + for k, v := range p.values { + out[k] = v + } + return out +} diff --git a/client/mdm/ticker_test.go b/client/mdm/ticker_test.go new file mode 100644 index 000000000..17f3cfc2f --- /dev/null +++ b/client/mdm/ticker_test.go @@ -0,0 +1,100 @@ +package mdm + +import ( + "context" + "sync" + "testing" + "time" + + "github.com/stretchr/testify/assert" + "github.com/stretchr/testify/require" +) + +// testReloadInterval for speeding up the ticker cadence under `go test` +const testReloadInterval = 1 * time.Second + +// withPolicyLoader overrides the package-level policyLoader for the duration +// of the test so the ticker observes a scripted policy instead of the real +// OS-native store. The original loader is restored on cleanup. +func withPolicyLoader(t *testing.T, fn func() *Policy) { + t.Helper() + prev := policyLoader + policyLoader = fn + t.Cleanup(func() { policyLoader = prev }) +} + +func TestTicker_FiresOnChangeWithDelta(t *testing.T) { + var mu sync.Mutex + current := NewPolicy(nil) // initial observation: empty (no enforcement) + withPolicyLoader(t, func() *Policy { + mu.Lock() + defer mu.Unlock() + return current + }) + + type change struct{ prev, curr *Policy } + changes := make(chan change, 1) + tk := NewTicker(testReloadInterval) + require.Equal(t, testReloadInterval, tk.interval) + + ctx, cancel := context.WithCancel(context.Background()) + done := make(chan struct{}) + go func() { + tk.Run(ctx, func(prev, curr *Policy) error { + select { + case changes <- change{prev, curr}: + default: + } + return nil + }) + close(done) + }() + // Stop Run and wait for it to exit before returning, so the policyLoader + // restore in t.Cleanup can't race the ticker goroutine still reading it. + defer func() { cancel(); <-done }() + + // Flip the OS-observed policy from empty to one managed key. The next + // tick must detect the diff and invoke onChange. + mu.Lock() + current = NewPolicy(map[string]any{KeyManagementURL: "https://mdm.example.com:443"}) + mu.Unlock() + + select { + case c := <-changes: + assert.True(t, c.prev.IsEmpty(), "prev should be the initial empty policy") + assert.True(t, c.curr.HasKey(KeyManagementURL), "curr should carry the newly-pushed managed key") + case <-time.After(5 * time.Second): + t.Fatal("onChange not invoked within 5s; ticker should fire every 1s under test") + } +} + +func TestTicker_NoCallbackWhenPolicyUnchanged(t *testing.T) { + withPolicyLoader(t, func() *Policy { + return NewPolicy(map[string]any{KeyBlockInbound: true}) + }) + + fired := make(chan struct{}, 1) + tk := NewTicker(testReloadInterval) + + ctx, cancel := context.WithCancel(context.Background()) + done := make(chan struct{}) + go func() { + tk.Run(ctx, func(_, _ *Policy) error { + select { + case fired <- struct{}{}: + default: + } + return nil + }) + close(done) + }() + defer func() { cancel(); <-done }() + + // Over ~2 ticks at the 1s test cadence the policy never changes, so the + // diff guard must suppress the callback entirely. + select { + case <-fired: + t.Fatal("onChange fired despite an unchanged policy") + case <-time.After(2500 * time.Millisecond): + } +} diff --git a/client/proto/daemon.pb.go b/client/proto/daemon.pb.go index 79fa1418a..70d9e8212 100644 --- a/client/proto/daemon.pb.go +++ b/client/proto/daemon.pb.go @@ -1191,8 +1191,14 @@ type GetConfigResponse struct { DisableSSHAuth bool `protobuf:"varint,25,opt,name=disableSSHAuth,proto3" json:"disableSSHAuth,omitempty"` SshJWTCacheTTL int32 `protobuf:"varint,26,opt,name=sshJWTCacheTTL,proto3" json:"sshJWTCacheTTL,omitempty"` DisableIpv6 bool `protobuf:"varint,27,opt,name=disable_ipv6,json=disableIpv6,proto3" json:"disable_ipv6,omitempty"` - unknownFields protoimpl.UnknownFields - sizeCache protoimpl.SizeCache + // mDMManagedFields lists the names of configuration keys whose value is + // currently enforced by an MDM policy. Names match mdm.Key* constants + // (e.g. "managementURL", "disableClientRoutes"). UI/CLI clients should + // render the corresponding inputs as read-only and display a "managed + // by MDM" indicator. + MDMManagedFields []string `protobuf:"bytes,28,rep,name=mDMManagedFields,proto3" json:"mDMManagedFields,omitempty"` + unknownFields protoimpl.UnknownFields + sizeCache protoimpl.SizeCache } func (x *GetConfigResponse) Reset() { @@ -1414,6 +1420,13 @@ func (x *GetConfigResponse) GetDisableIpv6() bool { return false } +func (x *GetConfigResponse) GetMDMManagedFields() []string { + if x != nil { + return x.MDMManagedFields + } + return nil +} + // PeerState contains the latest state of a peer type PeerState struct { state protoimpl.MessageState `protogen:"open.v1"` @@ -4961,6 +4974,55 @@ func (x *GetFeaturesResponse) GetDisableNetworks() bool { return false } +// MDMManagedFieldsViolation is attached as a gRPC error detail on a +// FailedPrecondition status returned from SetConfig (and similar mutating +// RPCs) when the caller tries to modify one or more MDM-enforced fields. +// The fields list contains the offending key names; the entire request is +// rejected (no partial apply). +type MDMManagedFieldsViolation struct { + state protoimpl.MessageState `protogen:"open.v1"` + Fields []string `protobuf:"bytes,1,rep,name=fields,proto3" json:"fields,omitempty"` + unknownFields protoimpl.UnknownFields + sizeCache protoimpl.SizeCache +} + +func (x *MDMManagedFieldsViolation) Reset() { + *x = MDMManagedFieldsViolation{} + mi := &file_daemon_proto_msgTypes[71] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) +} + +func (x *MDMManagedFieldsViolation) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*MDMManagedFieldsViolation) ProtoMessage() {} + +func (x *MDMManagedFieldsViolation) ProtoReflect() protoreflect.Message { + mi := &file_daemon_proto_msgTypes[71] + if x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use MDMManagedFieldsViolation.ProtoReflect.Descriptor instead. +func (*MDMManagedFieldsViolation) Descriptor() ([]byte, []int) { + return file_daemon_proto_rawDescGZIP(), []int{71} +} + +func (x *MDMManagedFieldsViolation) GetFields() []string { + if x != nil { + return x.Fields + } + return nil +} + type TriggerUpdateRequest struct { state protoimpl.MessageState `protogen:"open.v1"` unknownFields protoimpl.UnknownFields @@ -4969,7 +5031,7 @@ type TriggerUpdateRequest struct { func (x *TriggerUpdateRequest) Reset() { *x = TriggerUpdateRequest{} - mi := &file_daemon_proto_msgTypes[71] + mi := &file_daemon_proto_msgTypes[72] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -4981,7 +5043,7 @@ func (x *TriggerUpdateRequest) String() string { func (*TriggerUpdateRequest) ProtoMessage() {} func (x *TriggerUpdateRequest) ProtoReflect() protoreflect.Message { - mi := &file_daemon_proto_msgTypes[71] + mi := &file_daemon_proto_msgTypes[72] if x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -4994,7 +5056,7 @@ func (x *TriggerUpdateRequest) ProtoReflect() protoreflect.Message { // Deprecated: Use TriggerUpdateRequest.ProtoReflect.Descriptor instead. func (*TriggerUpdateRequest) Descriptor() ([]byte, []int) { - return file_daemon_proto_rawDescGZIP(), []int{71} + return file_daemon_proto_rawDescGZIP(), []int{72} } type TriggerUpdateResponse struct { @@ -5007,7 +5069,7 @@ type TriggerUpdateResponse struct { func (x *TriggerUpdateResponse) Reset() { *x = TriggerUpdateResponse{} - mi := &file_daemon_proto_msgTypes[72] + mi := &file_daemon_proto_msgTypes[73] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -5019,7 +5081,7 @@ func (x *TriggerUpdateResponse) String() string { func (*TriggerUpdateResponse) ProtoMessage() {} func (x *TriggerUpdateResponse) ProtoReflect() protoreflect.Message { - mi := &file_daemon_proto_msgTypes[72] + mi := &file_daemon_proto_msgTypes[73] if x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -5032,7 +5094,7 @@ func (x *TriggerUpdateResponse) ProtoReflect() protoreflect.Message { // Deprecated: Use TriggerUpdateResponse.ProtoReflect.Descriptor instead. func (*TriggerUpdateResponse) Descriptor() ([]byte, []int) { - return file_daemon_proto_rawDescGZIP(), []int{72} + return file_daemon_proto_rawDescGZIP(), []int{73} } func (x *TriggerUpdateResponse) GetSuccess() bool { @@ -5060,7 +5122,7 @@ type GetPeerSSHHostKeyRequest struct { func (x *GetPeerSSHHostKeyRequest) Reset() { *x = GetPeerSSHHostKeyRequest{} - mi := &file_daemon_proto_msgTypes[73] + mi := &file_daemon_proto_msgTypes[74] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -5072,7 +5134,7 @@ func (x *GetPeerSSHHostKeyRequest) String() string { func (*GetPeerSSHHostKeyRequest) ProtoMessage() {} func (x *GetPeerSSHHostKeyRequest) ProtoReflect() protoreflect.Message { - mi := &file_daemon_proto_msgTypes[73] + mi := &file_daemon_proto_msgTypes[74] if x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -5085,7 +5147,7 @@ func (x *GetPeerSSHHostKeyRequest) ProtoReflect() protoreflect.Message { // Deprecated: Use GetPeerSSHHostKeyRequest.ProtoReflect.Descriptor instead. func (*GetPeerSSHHostKeyRequest) Descriptor() ([]byte, []int) { - return file_daemon_proto_rawDescGZIP(), []int{73} + return file_daemon_proto_rawDescGZIP(), []int{74} } func (x *GetPeerSSHHostKeyRequest) GetPeerAddress() string { @@ -5112,7 +5174,7 @@ type GetPeerSSHHostKeyResponse struct { func (x *GetPeerSSHHostKeyResponse) Reset() { *x = GetPeerSSHHostKeyResponse{} - mi := &file_daemon_proto_msgTypes[74] + mi := &file_daemon_proto_msgTypes[75] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -5124,7 +5186,7 @@ func (x *GetPeerSSHHostKeyResponse) String() string { func (*GetPeerSSHHostKeyResponse) ProtoMessage() {} func (x *GetPeerSSHHostKeyResponse) ProtoReflect() protoreflect.Message { - mi := &file_daemon_proto_msgTypes[74] + mi := &file_daemon_proto_msgTypes[75] if x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -5137,7 +5199,7 @@ func (x *GetPeerSSHHostKeyResponse) ProtoReflect() protoreflect.Message { // Deprecated: Use GetPeerSSHHostKeyResponse.ProtoReflect.Descriptor instead. func (*GetPeerSSHHostKeyResponse) Descriptor() ([]byte, []int) { - return file_daemon_proto_rawDescGZIP(), []int{74} + return file_daemon_proto_rawDescGZIP(), []int{75} } func (x *GetPeerSSHHostKeyResponse) GetSshHostKey() []byte { @@ -5179,7 +5241,7 @@ type RequestJWTAuthRequest struct { func (x *RequestJWTAuthRequest) Reset() { *x = RequestJWTAuthRequest{} - mi := &file_daemon_proto_msgTypes[75] + mi := &file_daemon_proto_msgTypes[76] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -5191,7 +5253,7 @@ func (x *RequestJWTAuthRequest) String() string { func (*RequestJWTAuthRequest) ProtoMessage() {} func (x *RequestJWTAuthRequest) ProtoReflect() protoreflect.Message { - mi := &file_daemon_proto_msgTypes[75] + mi := &file_daemon_proto_msgTypes[76] if x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -5204,7 +5266,7 @@ func (x *RequestJWTAuthRequest) ProtoReflect() protoreflect.Message { // Deprecated: Use RequestJWTAuthRequest.ProtoReflect.Descriptor instead. func (*RequestJWTAuthRequest) Descriptor() ([]byte, []int) { - return file_daemon_proto_rawDescGZIP(), []int{75} + return file_daemon_proto_rawDescGZIP(), []int{76} } func (x *RequestJWTAuthRequest) GetHint() string { @@ -5237,7 +5299,7 @@ type RequestJWTAuthResponse struct { func (x *RequestJWTAuthResponse) Reset() { *x = RequestJWTAuthResponse{} - mi := &file_daemon_proto_msgTypes[76] + mi := &file_daemon_proto_msgTypes[77] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -5249,7 +5311,7 @@ func (x *RequestJWTAuthResponse) String() string { func (*RequestJWTAuthResponse) ProtoMessage() {} func (x *RequestJWTAuthResponse) ProtoReflect() protoreflect.Message { - mi := &file_daemon_proto_msgTypes[76] + mi := &file_daemon_proto_msgTypes[77] if x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -5262,7 +5324,7 @@ func (x *RequestJWTAuthResponse) ProtoReflect() protoreflect.Message { // Deprecated: Use RequestJWTAuthResponse.ProtoReflect.Descriptor instead. func (*RequestJWTAuthResponse) Descriptor() ([]byte, []int) { - return file_daemon_proto_rawDescGZIP(), []int{76} + return file_daemon_proto_rawDescGZIP(), []int{77} } func (x *RequestJWTAuthResponse) GetVerificationURI() string { @@ -5327,7 +5389,7 @@ type WaitJWTTokenRequest struct { func (x *WaitJWTTokenRequest) Reset() { *x = WaitJWTTokenRequest{} - mi := &file_daemon_proto_msgTypes[77] + mi := &file_daemon_proto_msgTypes[78] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -5339,7 +5401,7 @@ func (x *WaitJWTTokenRequest) String() string { func (*WaitJWTTokenRequest) ProtoMessage() {} func (x *WaitJWTTokenRequest) ProtoReflect() protoreflect.Message { - mi := &file_daemon_proto_msgTypes[77] + mi := &file_daemon_proto_msgTypes[78] if x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -5352,7 +5414,7 @@ func (x *WaitJWTTokenRequest) ProtoReflect() protoreflect.Message { // Deprecated: Use WaitJWTTokenRequest.ProtoReflect.Descriptor instead. func (*WaitJWTTokenRequest) Descriptor() ([]byte, []int) { - return file_daemon_proto_rawDescGZIP(), []int{77} + return file_daemon_proto_rawDescGZIP(), []int{78} } func (x *WaitJWTTokenRequest) GetDeviceCode() string { @@ -5384,7 +5446,7 @@ type WaitJWTTokenResponse struct { func (x *WaitJWTTokenResponse) Reset() { *x = WaitJWTTokenResponse{} - mi := &file_daemon_proto_msgTypes[78] + mi := &file_daemon_proto_msgTypes[79] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -5396,7 +5458,7 @@ func (x *WaitJWTTokenResponse) String() string { func (*WaitJWTTokenResponse) ProtoMessage() {} func (x *WaitJWTTokenResponse) ProtoReflect() protoreflect.Message { - mi := &file_daemon_proto_msgTypes[78] + mi := &file_daemon_proto_msgTypes[79] if x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -5409,7 +5471,7 @@ func (x *WaitJWTTokenResponse) ProtoReflect() protoreflect.Message { // Deprecated: Use WaitJWTTokenResponse.ProtoReflect.Descriptor instead. func (*WaitJWTTokenResponse) Descriptor() ([]byte, []int) { - return file_daemon_proto_rawDescGZIP(), []int{78} + return file_daemon_proto_rawDescGZIP(), []int{79} } func (x *WaitJWTTokenResponse) GetToken() string { @@ -5442,7 +5504,7 @@ type StartCPUProfileRequest struct { func (x *StartCPUProfileRequest) Reset() { *x = StartCPUProfileRequest{} - mi := &file_daemon_proto_msgTypes[79] + mi := &file_daemon_proto_msgTypes[80] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -5454,7 +5516,7 @@ func (x *StartCPUProfileRequest) String() string { func (*StartCPUProfileRequest) ProtoMessage() {} func (x *StartCPUProfileRequest) ProtoReflect() protoreflect.Message { - mi := &file_daemon_proto_msgTypes[79] + mi := &file_daemon_proto_msgTypes[80] if x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -5467,7 +5529,7 @@ func (x *StartCPUProfileRequest) ProtoReflect() protoreflect.Message { // Deprecated: Use StartCPUProfileRequest.ProtoReflect.Descriptor instead. func (*StartCPUProfileRequest) Descriptor() ([]byte, []int) { - return file_daemon_proto_rawDescGZIP(), []int{79} + return file_daemon_proto_rawDescGZIP(), []int{80} } // StartCPUProfileResponse confirms CPU profiling has started @@ -5479,7 +5541,7 @@ type StartCPUProfileResponse struct { func (x *StartCPUProfileResponse) Reset() { *x = StartCPUProfileResponse{} - mi := &file_daemon_proto_msgTypes[80] + mi := &file_daemon_proto_msgTypes[81] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -5491,7 +5553,7 @@ func (x *StartCPUProfileResponse) String() string { func (*StartCPUProfileResponse) ProtoMessage() {} func (x *StartCPUProfileResponse) ProtoReflect() protoreflect.Message { - mi := &file_daemon_proto_msgTypes[80] + mi := &file_daemon_proto_msgTypes[81] if x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -5504,7 +5566,7 @@ func (x *StartCPUProfileResponse) ProtoReflect() protoreflect.Message { // Deprecated: Use StartCPUProfileResponse.ProtoReflect.Descriptor instead. func (*StartCPUProfileResponse) Descriptor() ([]byte, []int) { - return file_daemon_proto_rawDescGZIP(), []int{80} + return file_daemon_proto_rawDescGZIP(), []int{81} } // StopCPUProfileRequest for stopping CPU profiling @@ -5516,7 +5578,7 @@ type StopCPUProfileRequest struct { func (x *StopCPUProfileRequest) Reset() { *x = StopCPUProfileRequest{} - mi := &file_daemon_proto_msgTypes[81] + mi := &file_daemon_proto_msgTypes[82] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -5528,7 +5590,7 @@ func (x *StopCPUProfileRequest) String() string { func (*StopCPUProfileRequest) ProtoMessage() {} func (x *StopCPUProfileRequest) ProtoReflect() protoreflect.Message { - mi := &file_daemon_proto_msgTypes[81] + mi := &file_daemon_proto_msgTypes[82] if x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -5541,7 +5603,7 @@ func (x *StopCPUProfileRequest) ProtoReflect() protoreflect.Message { // Deprecated: Use StopCPUProfileRequest.ProtoReflect.Descriptor instead. func (*StopCPUProfileRequest) Descriptor() ([]byte, []int) { - return file_daemon_proto_rawDescGZIP(), []int{81} + return file_daemon_proto_rawDescGZIP(), []int{82} } // StopCPUProfileResponse confirms CPU profiling has stopped @@ -5553,7 +5615,7 @@ type StopCPUProfileResponse struct { func (x *StopCPUProfileResponse) Reset() { *x = StopCPUProfileResponse{} - mi := &file_daemon_proto_msgTypes[82] + mi := &file_daemon_proto_msgTypes[83] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -5565,7 +5627,7 @@ func (x *StopCPUProfileResponse) String() string { func (*StopCPUProfileResponse) ProtoMessage() {} func (x *StopCPUProfileResponse) ProtoReflect() protoreflect.Message { - mi := &file_daemon_proto_msgTypes[82] + mi := &file_daemon_proto_msgTypes[83] if x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -5578,7 +5640,7 @@ func (x *StopCPUProfileResponse) ProtoReflect() protoreflect.Message { // Deprecated: Use StopCPUProfileResponse.ProtoReflect.Descriptor instead. func (*StopCPUProfileResponse) Descriptor() ([]byte, []int) { - return file_daemon_proto_rawDescGZIP(), []int{82} + return file_daemon_proto_rawDescGZIP(), []int{83} } type InstallerResultRequest struct { @@ -5589,7 +5651,7 @@ type InstallerResultRequest struct { func (x *InstallerResultRequest) Reset() { *x = InstallerResultRequest{} - mi := &file_daemon_proto_msgTypes[83] + mi := &file_daemon_proto_msgTypes[84] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -5601,7 +5663,7 @@ func (x *InstallerResultRequest) String() string { func (*InstallerResultRequest) ProtoMessage() {} func (x *InstallerResultRequest) ProtoReflect() protoreflect.Message { - mi := &file_daemon_proto_msgTypes[83] + mi := &file_daemon_proto_msgTypes[84] if x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -5614,7 +5676,7 @@ func (x *InstallerResultRequest) ProtoReflect() protoreflect.Message { // Deprecated: Use InstallerResultRequest.ProtoReflect.Descriptor instead. func (*InstallerResultRequest) Descriptor() ([]byte, []int) { - return file_daemon_proto_rawDescGZIP(), []int{83} + return file_daemon_proto_rawDescGZIP(), []int{84} } type InstallerResultResponse struct { @@ -5627,7 +5689,7 @@ type InstallerResultResponse struct { func (x *InstallerResultResponse) Reset() { *x = InstallerResultResponse{} - mi := &file_daemon_proto_msgTypes[84] + mi := &file_daemon_proto_msgTypes[85] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -5639,7 +5701,7 @@ func (x *InstallerResultResponse) String() string { func (*InstallerResultResponse) ProtoMessage() {} func (x *InstallerResultResponse) ProtoReflect() protoreflect.Message { - mi := &file_daemon_proto_msgTypes[84] + mi := &file_daemon_proto_msgTypes[85] if x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -5652,7 +5714,7 @@ func (x *InstallerResultResponse) ProtoReflect() protoreflect.Message { // Deprecated: Use InstallerResultResponse.ProtoReflect.Descriptor instead. func (*InstallerResultResponse) Descriptor() ([]byte, []int) { - return file_daemon_proto_rawDescGZIP(), []int{84} + return file_daemon_proto_rawDescGZIP(), []int{85} } func (x *InstallerResultResponse) GetSuccess() bool { @@ -5685,7 +5747,7 @@ type ExposeServiceRequest struct { func (x *ExposeServiceRequest) Reset() { *x = ExposeServiceRequest{} - mi := &file_daemon_proto_msgTypes[85] + mi := &file_daemon_proto_msgTypes[86] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -5697,7 +5759,7 @@ func (x *ExposeServiceRequest) String() string { func (*ExposeServiceRequest) ProtoMessage() {} func (x *ExposeServiceRequest) ProtoReflect() protoreflect.Message { - mi := &file_daemon_proto_msgTypes[85] + mi := &file_daemon_proto_msgTypes[86] if x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -5710,7 +5772,7 @@ func (x *ExposeServiceRequest) ProtoReflect() protoreflect.Message { // Deprecated: Use ExposeServiceRequest.ProtoReflect.Descriptor instead. func (*ExposeServiceRequest) Descriptor() ([]byte, []int) { - return file_daemon_proto_rawDescGZIP(), []int{85} + return file_daemon_proto_rawDescGZIP(), []int{86} } func (x *ExposeServiceRequest) GetPort() uint32 { @@ -5781,7 +5843,7 @@ type ExposeServiceEvent struct { func (x *ExposeServiceEvent) Reset() { *x = ExposeServiceEvent{} - mi := &file_daemon_proto_msgTypes[86] + mi := &file_daemon_proto_msgTypes[87] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -5793,7 +5855,7 @@ func (x *ExposeServiceEvent) String() string { func (*ExposeServiceEvent) ProtoMessage() {} func (x *ExposeServiceEvent) ProtoReflect() protoreflect.Message { - mi := &file_daemon_proto_msgTypes[86] + mi := &file_daemon_proto_msgTypes[87] if x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -5806,7 +5868,7 @@ func (x *ExposeServiceEvent) ProtoReflect() protoreflect.Message { // Deprecated: Use ExposeServiceEvent.ProtoReflect.Descriptor instead. func (*ExposeServiceEvent) Descriptor() ([]byte, []int) { - return file_daemon_proto_rawDescGZIP(), []int{86} + return file_daemon_proto_rawDescGZIP(), []int{87} } func (x *ExposeServiceEvent) GetEvent() isExposeServiceEvent_Event { @@ -5847,7 +5909,7 @@ type ExposeServiceReady struct { func (x *ExposeServiceReady) Reset() { *x = ExposeServiceReady{} - mi := &file_daemon_proto_msgTypes[87] + mi := &file_daemon_proto_msgTypes[88] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -5859,7 +5921,7 @@ func (x *ExposeServiceReady) String() string { func (*ExposeServiceReady) ProtoMessage() {} func (x *ExposeServiceReady) ProtoReflect() protoreflect.Message { - mi := &file_daemon_proto_msgTypes[87] + mi := &file_daemon_proto_msgTypes[88] if x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -5872,7 +5934,7 @@ func (x *ExposeServiceReady) ProtoReflect() protoreflect.Message { // Deprecated: Use ExposeServiceReady.ProtoReflect.Descriptor instead. func (*ExposeServiceReady) Descriptor() ([]byte, []int) { - return file_daemon_proto_rawDescGZIP(), []int{87} + return file_daemon_proto_rawDescGZIP(), []int{88} } func (x *ExposeServiceReady) GetServiceName() string { @@ -5917,7 +5979,7 @@ type StartCaptureRequest struct { func (x *StartCaptureRequest) Reset() { *x = StartCaptureRequest{} - mi := &file_daemon_proto_msgTypes[88] + mi := &file_daemon_proto_msgTypes[89] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -5929,7 +5991,7 @@ func (x *StartCaptureRequest) String() string { func (*StartCaptureRequest) ProtoMessage() {} func (x *StartCaptureRequest) ProtoReflect() protoreflect.Message { - mi := &file_daemon_proto_msgTypes[88] + mi := &file_daemon_proto_msgTypes[89] if x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -5942,7 +6004,7 @@ func (x *StartCaptureRequest) ProtoReflect() protoreflect.Message { // Deprecated: Use StartCaptureRequest.ProtoReflect.Descriptor instead. func (*StartCaptureRequest) Descriptor() ([]byte, []int) { - return file_daemon_proto_rawDescGZIP(), []int{88} + return file_daemon_proto_rawDescGZIP(), []int{89} } func (x *StartCaptureRequest) GetTextOutput() bool { @@ -5996,7 +6058,7 @@ type CapturePacket struct { func (x *CapturePacket) Reset() { *x = CapturePacket{} - mi := &file_daemon_proto_msgTypes[89] + mi := &file_daemon_proto_msgTypes[90] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -6008,7 +6070,7 @@ func (x *CapturePacket) String() string { func (*CapturePacket) ProtoMessage() {} func (x *CapturePacket) ProtoReflect() protoreflect.Message { - mi := &file_daemon_proto_msgTypes[89] + mi := &file_daemon_proto_msgTypes[90] if x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -6021,7 +6083,7 @@ func (x *CapturePacket) ProtoReflect() protoreflect.Message { // Deprecated: Use CapturePacket.ProtoReflect.Descriptor instead. func (*CapturePacket) Descriptor() ([]byte, []int) { - return file_daemon_proto_rawDescGZIP(), []int{89} + return file_daemon_proto_rawDescGZIP(), []int{90} } func (x *CapturePacket) GetData() []byte { @@ -6042,7 +6104,7 @@ type StartBundleCaptureRequest struct { func (x *StartBundleCaptureRequest) Reset() { *x = StartBundleCaptureRequest{} - mi := &file_daemon_proto_msgTypes[90] + mi := &file_daemon_proto_msgTypes[91] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -6054,7 +6116,7 @@ func (x *StartBundleCaptureRequest) String() string { func (*StartBundleCaptureRequest) ProtoMessage() {} func (x *StartBundleCaptureRequest) ProtoReflect() protoreflect.Message { - mi := &file_daemon_proto_msgTypes[90] + mi := &file_daemon_proto_msgTypes[91] if x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -6067,7 +6129,7 @@ func (x *StartBundleCaptureRequest) ProtoReflect() protoreflect.Message { // Deprecated: Use StartBundleCaptureRequest.ProtoReflect.Descriptor instead. func (*StartBundleCaptureRequest) Descriptor() ([]byte, []int) { - return file_daemon_proto_rawDescGZIP(), []int{90} + return file_daemon_proto_rawDescGZIP(), []int{91} } func (x *StartBundleCaptureRequest) GetTimeout() *durationpb.Duration { @@ -6085,7 +6147,7 @@ type StartBundleCaptureResponse struct { func (x *StartBundleCaptureResponse) Reset() { *x = StartBundleCaptureResponse{} - mi := &file_daemon_proto_msgTypes[91] + mi := &file_daemon_proto_msgTypes[92] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -6097,7 +6159,7 @@ func (x *StartBundleCaptureResponse) String() string { func (*StartBundleCaptureResponse) ProtoMessage() {} func (x *StartBundleCaptureResponse) ProtoReflect() protoreflect.Message { - mi := &file_daemon_proto_msgTypes[91] + mi := &file_daemon_proto_msgTypes[92] if x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -6110,7 +6172,7 @@ func (x *StartBundleCaptureResponse) ProtoReflect() protoreflect.Message { // Deprecated: Use StartBundleCaptureResponse.ProtoReflect.Descriptor instead. func (*StartBundleCaptureResponse) Descriptor() ([]byte, []int) { - return file_daemon_proto_rawDescGZIP(), []int{91} + return file_daemon_proto_rawDescGZIP(), []int{92} } type StopBundleCaptureRequest struct { @@ -6121,7 +6183,7 @@ type StopBundleCaptureRequest struct { func (x *StopBundleCaptureRequest) Reset() { *x = StopBundleCaptureRequest{} - mi := &file_daemon_proto_msgTypes[92] + mi := &file_daemon_proto_msgTypes[93] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -6133,7 +6195,7 @@ func (x *StopBundleCaptureRequest) String() string { func (*StopBundleCaptureRequest) ProtoMessage() {} func (x *StopBundleCaptureRequest) ProtoReflect() protoreflect.Message { - mi := &file_daemon_proto_msgTypes[92] + mi := &file_daemon_proto_msgTypes[93] if x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -6146,7 +6208,7 @@ func (x *StopBundleCaptureRequest) ProtoReflect() protoreflect.Message { // Deprecated: Use StopBundleCaptureRequest.ProtoReflect.Descriptor instead. func (*StopBundleCaptureRequest) Descriptor() ([]byte, []int) { - return file_daemon_proto_rawDescGZIP(), []int{92} + return file_daemon_proto_rawDescGZIP(), []int{93} } type StopBundleCaptureResponse struct { @@ -6157,7 +6219,7 @@ type StopBundleCaptureResponse struct { func (x *StopBundleCaptureResponse) Reset() { *x = StopBundleCaptureResponse{} - mi := &file_daemon_proto_msgTypes[93] + mi := &file_daemon_proto_msgTypes[94] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -6169,7 +6231,7 @@ func (x *StopBundleCaptureResponse) String() string { func (*StopBundleCaptureResponse) ProtoMessage() {} func (x *StopBundleCaptureResponse) ProtoReflect() protoreflect.Message { - mi := &file_daemon_proto_msgTypes[93] + mi := &file_daemon_proto_msgTypes[94] if x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -6182,7 +6244,7 @@ func (x *StopBundleCaptureResponse) ProtoReflect() protoreflect.Message { // Deprecated: Use StopBundleCaptureResponse.ProtoReflect.Descriptor instead. func (*StopBundleCaptureResponse) Descriptor() ([]byte, []int) { - return file_daemon_proto_rawDescGZIP(), []int{93} + return file_daemon_proto_rawDescGZIP(), []int{94} } type PortInfo_Range struct { @@ -6195,7 +6257,7 @@ type PortInfo_Range struct { func (x *PortInfo_Range) Reset() { *x = PortInfo_Range{} - mi := &file_daemon_proto_msgTypes[95] + mi := &file_daemon_proto_msgTypes[96] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -6207,7 +6269,7 @@ func (x *PortInfo_Range) String() string { func (*PortInfo_Range) ProtoMessage() {} func (x *PortInfo_Range) ProtoReflect() protoreflect.Message { - mi := &file_daemon_proto_msgTypes[95] + mi := &file_daemon_proto_msgTypes[96] if x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -6348,7 +6410,7 @@ const file_daemon_proto_rawDesc = "" + "\fDownResponse\"P\n" + "\x10GetConfigRequest\x12 \n" + "\vprofileName\x18\x01 \x01(\tR\vprofileName\x12\x1a\n" + - "\busername\x18\x02 \x01(\tR\busername\"\xfe\b\n" + + "\busername\x18\x02 \x01(\tR\busername\"\xaa\t\n" + "\x11GetConfigResponse\x12$\n" + "\rmanagementUrl\x18\x01 \x01(\tR\rmanagementUrl\x12\x1e\n" + "\n" + @@ -6380,7 +6442,8 @@ const file_daemon_proto_rawDesc = "" + "\x1denableSSHRemotePortForwarding\x18\x17 \x01(\bR\x1denableSSHRemotePortForwarding\x12&\n" + "\x0edisableSSHAuth\x18\x19 \x01(\bR\x0edisableSSHAuth\x12&\n" + "\x0esshJWTCacheTTL\x18\x1a \x01(\x05R\x0esshJWTCacheTTL\x12!\n" + - "\fdisable_ipv6\x18\x1b \x01(\bR\vdisableIpv6\"\x92\x06\n" + + "\fdisable_ipv6\x18\x1b \x01(\bR\vdisableIpv6\x12*\n" + + "\x10mDMManagedFields\x18\x1c \x03(\tR\x10mDMManagedFields\"\x92\x06\n" + "\tPeerState\x12\x0e\n" + "\x02IP\x18\x01 \x01(\tR\x02IP\x12\x16\n" + "\x06pubKey\x18\x02 \x01(\tR\x06pubKey\x12\x1e\n" + @@ -6695,7 +6758,9 @@ const file_daemon_proto_rawDesc = "" + "\x13GetFeaturesResponse\x12)\n" + "\x10disable_profiles\x18\x01 \x01(\bR\x0fdisableProfiles\x126\n" + "\x17disable_update_settings\x18\x02 \x01(\bR\x15disableUpdateSettings\x12)\n" + - "\x10disable_networks\x18\x03 \x01(\bR\x0fdisableNetworks\"\x16\n" + + "\x10disable_networks\x18\x03 \x01(\bR\x0fdisableNetworks\"3\n" + + "\x19MDMManagedFieldsViolation\x12\x16\n" + + "\x06fields\x18\x01 \x03(\tR\x06fields\"\x16\n" + "\x14TriggerUpdateRequest\"M\n" + "\x15TriggerUpdateResponse\x12\x18\n" + "\asuccess\x18\x01 \x01(\bR\asuccess\x12\x1a\n" + @@ -6851,7 +6916,7 @@ func file_daemon_proto_rawDescGZIP() []byte { } var file_daemon_proto_enumTypes = make([]protoimpl.EnumInfo, 4) -var file_daemon_proto_msgTypes = make([]protoimpl.MessageInfo, 97) +var file_daemon_proto_msgTypes = make([]protoimpl.MessageInfo, 98) var file_daemon_proto_goTypes = []any{ (LogLevel)(0), // 0: daemon.LogLevel (ExposeProtocol)(0), // 1: daemon.ExposeProtocol @@ -6928,41 +6993,42 @@ var file_daemon_proto_goTypes = []any{ (*LogoutResponse)(nil), // 72: daemon.LogoutResponse (*GetFeaturesRequest)(nil), // 73: daemon.GetFeaturesRequest (*GetFeaturesResponse)(nil), // 74: daemon.GetFeaturesResponse - (*TriggerUpdateRequest)(nil), // 75: daemon.TriggerUpdateRequest - (*TriggerUpdateResponse)(nil), // 76: daemon.TriggerUpdateResponse - (*GetPeerSSHHostKeyRequest)(nil), // 77: daemon.GetPeerSSHHostKeyRequest - (*GetPeerSSHHostKeyResponse)(nil), // 78: daemon.GetPeerSSHHostKeyResponse - (*RequestJWTAuthRequest)(nil), // 79: daemon.RequestJWTAuthRequest - (*RequestJWTAuthResponse)(nil), // 80: daemon.RequestJWTAuthResponse - (*WaitJWTTokenRequest)(nil), // 81: daemon.WaitJWTTokenRequest - (*WaitJWTTokenResponse)(nil), // 82: daemon.WaitJWTTokenResponse - (*StartCPUProfileRequest)(nil), // 83: daemon.StartCPUProfileRequest - (*StartCPUProfileResponse)(nil), // 84: daemon.StartCPUProfileResponse - (*StopCPUProfileRequest)(nil), // 85: daemon.StopCPUProfileRequest - (*StopCPUProfileResponse)(nil), // 86: daemon.StopCPUProfileResponse - (*InstallerResultRequest)(nil), // 87: daemon.InstallerResultRequest - (*InstallerResultResponse)(nil), // 88: daemon.InstallerResultResponse - (*ExposeServiceRequest)(nil), // 89: daemon.ExposeServiceRequest - (*ExposeServiceEvent)(nil), // 90: daemon.ExposeServiceEvent - (*ExposeServiceReady)(nil), // 91: daemon.ExposeServiceReady - (*StartCaptureRequest)(nil), // 92: daemon.StartCaptureRequest - (*CapturePacket)(nil), // 93: daemon.CapturePacket - (*StartBundleCaptureRequest)(nil), // 94: daemon.StartBundleCaptureRequest - (*StartBundleCaptureResponse)(nil), // 95: daemon.StartBundleCaptureResponse - (*StopBundleCaptureRequest)(nil), // 96: daemon.StopBundleCaptureRequest - (*StopBundleCaptureResponse)(nil), // 97: daemon.StopBundleCaptureResponse - nil, // 98: daemon.Network.ResolvedIPsEntry - (*PortInfo_Range)(nil), // 99: daemon.PortInfo.Range - nil, // 100: daemon.SystemEvent.MetadataEntry - (*durationpb.Duration)(nil), // 101: google.protobuf.Duration - (*timestamppb.Timestamp)(nil), // 102: google.protobuf.Timestamp + (*MDMManagedFieldsViolation)(nil), // 75: daemon.MDMManagedFieldsViolation + (*TriggerUpdateRequest)(nil), // 76: daemon.TriggerUpdateRequest + (*TriggerUpdateResponse)(nil), // 77: daemon.TriggerUpdateResponse + (*GetPeerSSHHostKeyRequest)(nil), // 78: daemon.GetPeerSSHHostKeyRequest + (*GetPeerSSHHostKeyResponse)(nil), // 79: daemon.GetPeerSSHHostKeyResponse + (*RequestJWTAuthRequest)(nil), // 80: daemon.RequestJWTAuthRequest + (*RequestJWTAuthResponse)(nil), // 81: daemon.RequestJWTAuthResponse + (*WaitJWTTokenRequest)(nil), // 82: daemon.WaitJWTTokenRequest + (*WaitJWTTokenResponse)(nil), // 83: daemon.WaitJWTTokenResponse + (*StartCPUProfileRequest)(nil), // 84: daemon.StartCPUProfileRequest + (*StartCPUProfileResponse)(nil), // 85: daemon.StartCPUProfileResponse + (*StopCPUProfileRequest)(nil), // 86: daemon.StopCPUProfileRequest + (*StopCPUProfileResponse)(nil), // 87: daemon.StopCPUProfileResponse + (*InstallerResultRequest)(nil), // 88: daemon.InstallerResultRequest + (*InstallerResultResponse)(nil), // 89: daemon.InstallerResultResponse + (*ExposeServiceRequest)(nil), // 90: daemon.ExposeServiceRequest + (*ExposeServiceEvent)(nil), // 91: daemon.ExposeServiceEvent + (*ExposeServiceReady)(nil), // 92: daemon.ExposeServiceReady + (*StartCaptureRequest)(nil), // 93: daemon.StartCaptureRequest + (*CapturePacket)(nil), // 94: daemon.CapturePacket + (*StartBundleCaptureRequest)(nil), // 95: daemon.StartBundleCaptureRequest + (*StartBundleCaptureResponse)(nil), // 96: daemon.StartBundleCaptureResponse + (*StopBundleCaptureRequest)(nil), // 97: daemon.StopBundleCaptureRequest + (*StopBundleCaptureResponse)(nil), // 98: daemon.StopBundleCaptureResponse + nil, // 99: daemon.Network.ResolvedIPsEntry + (*PortInfo_Range)(nil), // 100: daemon.PortInfo.Range + nil, // 101: daemon.SystemEvent.MetadataEntry + (*durationpb.Duration)(nil), // 102: google.protobuf.Duration + (*timestamppb.Timestamp)(nil), // 103: google.protobuf.Timestamp } var file_daemon_proto_depIdxs = []int32{ - 101, // 0: daemon.LoginRequest.dnsRouteInterval:type_name -> google.protobuf.Duration + 102, // 0: daemon.LoginRequest.dnsRouteInterval:type_name -> google.protobuf.Duration 25, // 1: daemon.StatusResponse.fullStatus:type_name -> daemon.FullStatus - 102, // 2: daemon.PeerState.connStatusUpdate:type_name -> google.protobuf.Timestamp - 102, // 3: daemon.PeerState.lastWireguardHandshake:type_name -> google.protobuf.Timestamp - 101, // 4: daemon.PeerState.latency:type_name -> google.protobuf.Duration + 103, // 2: daemon.PeerState.connStatusUpdate:type_name -> google.protobuf.Timestamp + 103, // 3: daemon.PeerState.lastWireguardHandshake:type_name -> google.protobuf.Timestamp + 102, // 4: daemon.PeerState.latency:type_name -> google.protobuf.Duration 23, // 5: daemon.SSHServerState.sessions:type_name -> daemon.SSHSessionInfo 20, // 6: daemon.FullStatus.managementState:type_name -> daemon.ManagementState 19, // 7: daemon.FullStatus.signalState:type_name -> daemon.SignalState @@ -6973,8 +7039,8 @@ var file_daemon_proto_depIdxs = []int32{ 55, // 12: daemon.FullStatus.events:type_name -> daemon.SystemEvent 24, // 13: daemon.FullStatus.sshServerState:type_name -> daemon.SSHServerState 31, // 14: daemon.ListNetworksResponse.routes:type_name -> daemon.Network - 98, // 15: daemon.Network.resolvedIPs:type_name -> daemon.Network.ResolvedIPsEntry - 99, // 16: daemon.PortInfo.range:type_name -> daemon.PortInfo.Range + 99, // 15: daemon.Network.resolvedIPs:type_name -> daemon.Network.ResolvedIPsEntry + 100, // 16: daemon.PortInfo.range:type_name -> daemon.PortInfo.Range 32, // 17: daemon.ForwardingRule.destinationPort:type_name -> daemon.PortInfo 32, // 18: daemon.ForwardingRule.translatedPort:type_name -> daemon.PortInfo 33, // 19: daemon.ForwardingRulesResponse.rules:type_name -> daemon.ForwardingRule @@ -6985,15 +7051,15 @@ var file_daemon_proto_depIdxs = []int32{ 52, // 24: daemon.TracePacketResponse.stages:type_name -> daemon.TraceStage 2, // 25: daemon.SystemEvent.severity:type_name -> daemon.SystemEvent.Severity 3, // 26: daemon.SystemEvent.category:type_name -> daemon.SystemEvent.Category - 102, // 27: daemon.SystemEvent.timestamp:type_name -> google.protobuf.Timestamp - 100, // 28: daemon.SystemEvent.metadata:type_name -> daemon.SystemEvent.MetadataEntry + 103, // 27: daemon.SystemEvent.timestamp:type_name -> google.protobuf.Timestamp + 101, // 28: daemon.SystemEvent.metadata:type_name -> daemon.SystemEvent.MetadataEntry 55, // 29: daemon.GetEventsResponse.events:type_name -> daemon.SystemEvent - 101, // 30: daemon.SetConfigRequest.dnsRouteInterval:type_name -> google.protobuf.Duration + 102, // 30: daemon.SetConfigRequest.dnsRouteInterval:type_name -> google.protobuf.Duration 68, // 31: daemon.ListProfilesResponse.profiles:type_name -> daemon.Profile 1, // 32: daemon.ExposeServiceRequest.protocol:type_name -> daemon.ExposeProtocol - 91, // 33: daemon.ExposeServiceEvent.ready:type_name -> daemon.ExposeServiceReady - 101, // 34: daemon.StartCaptureRequest.duration:type_name -> google.protobuf.Duration - 101, // 35: daemon.StartBundleCaptureRequest.timeout:type_name -> google.protobuf.Duration + 92, // 33: daemon.ExposeServiceEvent.ready:type_name -> daemon.ExposeServiceReady + 102, // 34: daemon.StartCaptureRequest.duration:type_name -> google.protobuf.Duration + 102, // 35: daemon.StartBundleCaptureRequest.timeout:type_name -> google.protobuf.Duration 30, // 36: daemon.Network.ResolvedIPsEntry.value:type_name -> daemon.IPList 5, // 37: daemon.DaemonService.Login:input_type -> daemon.LoginRequest 7, // 38: daemon.DaemonService.WaitSSOLogin:input_type -> daemon.WaitSSOLoginRequest @@ -7013,9 +7079,9 @@ var file_daemon_proto_depIdxs = []int32{ 46, // 52: daemon.DaemonService.DeleteState:input_type -> daemon.DeleteStateRequest 48, // 53: daemon.DaemonService.SetSyncResponsePersistence:input_type -> daemon.SetSyncResponsePersistenceRequest 51, // 54: daemon.DaemonService.TracePacket:input_type -> daemon.TracePacketRequest - 92, // 55: daemon.DaemonService.StartCapture:input_type -> daemon.StartCaptureRequest - 94, // 56: daemon.DaemonService.StartBundleCapture:input_type -> daemon.StartBundleCaptureRequest - 96, // 57: daemon.DaemonService.StopBundleCapture:input_type -> daemon.StopBundleCaptureRequest + 93, // 55: daemon.DaemonService.StartCapture:input_type -> daemon.StartCaptureRequest + 95, // 56: daemon.DaemonService.StartBundleCapture:input_type -> daemon.StartBundleCaptureRequest + 97, // 57: daemon.DaemonService.StopBundleCapture:input_type -> daemon.StopBundleCaptureRequest 54, // 58: daemon.DaemonService.SubscribeEvents:input_type -> daemon.SubscribeRequest 56, // 59: daemon.DaemonService.GetEvents:input_type -> daemon.GetEventsRequest 58, // 60: daemon.DaemonService.SwitchProfile:input_type -> daemon.SwitchProfileRequest @@ -7026,14 +7092,14 @@ var file_daemon_proto_depIdxs = []int32{ 69, // 65: daemon.DaemonService.GetActiveProfile:input_type -> daemon.GetActiveProfileRequest 71, // 66: daemon.DaemonService.Logout:input_type -> daemon.LogoutRequest 73, // 67: daemon.DaemonService.GetFeatures:input_type -> daemon.GetFeaturesRequest - 75, // 68: daemon.DaemonService.TriggerUpdate:input_type -> daemon.TriggerUpdateRequest - 77, // 69: daemon.DaemonService.GetPeerSSHHostKey:input_type -> daemon.GetPeerSSHHostKeyRequest - 79, // 70: daemon.DaemonService.RequestJWTAuth:input_type -> daemon.RequestJWTAuthRequest - 81, // 71: daemon.DaemonService.WaitJWTToken:input_type -> daemon.WaitJWTTokenRequest - 83, // 72: daemon.DaemonService.StartCPUProfile:input_type -> daemon.StartCPUProfileRequest - 85, // 73: daemon.DaemonService.StopCPUProfile:input_type -> daemon.StopCPUProfileRequest - 87, // 74: daemon.DaemonService.GetInstallerResult:input_type -> daemon.InstallerResultRequest - 89, // 75: daemon.DaemonService.ExposeService:input_type -> daemon.ExposeServiceRequest + 76, // 68: daemon.DaemonService.TriggerUpdate:input_type -> daemon.TriggerUpdateRequest + 78, // 69: daemon.DaemonService.GetPeerSSHHostKey:input_type -> daemon.GetPeerSSHHostKeyRequest + 80, // 70: daemon.DaemonService.RequestJWTAuth:input_type -> daemon.RequestJWTAuthRequest + 82, // 71: daemon.DaemonService.WaitJWTToken:input_type -> daemon.WaitJWTTokenRequest + 84, // 72: daemon.DaemonService.StartCPUProfile:input_type -> daemon.StartCPUProfileRequest + 86, // 73: daemon.DaemonService.StopCPUProfile:input_type -> daemon.StopCPUProfileRequest + 88, // 74: daemon.DaemonService.GetInstallerResult:input_type -> daemon.InstallerResultRequest + 90, // 75: daemon.DaemonService.ExposeService:input_type -> daemon.ExposeServiceRequest 6, // 76: daemon.DaemonService.Login:output_type -> daemon.LoginResponse 8, // 77: daemon.DaemonService.WaitSSOLogin:output_type -> daemon.WaitSSOLoginResponse 10, // 78: daemon.DaemonService.Up:output_type -> daemon.UpResponse @@ -7052,9 +7118,9 @@ var file_daemon_proto_depIdxs = []int32{ 47, // 91: daemon.DaemonService.DeleteState:output_type -> daemon.DeleteStateResponse 49, // 92: daemon.DaemonService.SetSyncResponsePersistence:output_type -> daemon.SetSyncResponsePersistenceResponse 53, // 93: daemon.DaemonService.TracePacket:output_type -> daemon.TracePacketResponse - 93, // 94: daemon.DaemonService.StartCapture:output_type -> daemon.CapturePacket - 95, // 95: daemon.DaemonService.StartBundleCapture:output_type -> daemon.StartBundleCaptureResponse - 97, // 96: daemon.DaemonService.StopBundleCapture:output_type -> daemon.StopBundleCaptureResponse + 94, // 94: daemon.DaemonService.StartCapture:output_type -> daemon.CapturePacket + 96, // 95: daemon.DaemonService.StartBundleCapture:output_type -> daemon.StartBundleCaptureResponse + 98, // 96: daemon.DaemonService.StopBundleCapture:output_type -> daemon.StopBundleCaptureResponse 55, // 97: daemon.DaemonService.SubscribeEvents:output_type -> daemon.SystemEvent 57, // 98: daemon.DaemonService.GetEvents:output_type -> daemon.GetEventsResponse 59, // 99: daemon.DaemonService.SwitchProfile:output_type -> daemon.SwitchProfileResponse @@ -7065,14 +7131,14 @@ var file_daemon_proto_depIdxs = []int32{ 70, // 104: daemon.DaemonService.GetActiveProfile:output_type -> daemon.GetActiveProfileResponse 72, // 105: daemon.DaemonService.Logout:output_type -> daemon.LogoutResponse 74, // 106: daemon.DaemonService.GetFeatures:output_type -> daemon.GetFeaturesResponse - 76, // 107: daemon.DaemonService.TriggerUpdate:output_type -> daemon.TriggerUpdateResponse - 78, // 108: daemon.DaemonService.GetPeerSSHHostKey:output_type -> daemon.GetPeerSSHHostKeyResponse - 80, // 109: daemon.DaemonService.RequestJWTAuth:output_type -> daemon.RequestJWTAuthResponse - 82, // 110: daemon.DaemonService.WaitJWTToken:output_type -> daemon.WaitJWTTokenResponse - 84, // 111: daemon.DaemonService.StartCPUProfile:output_type -> daemon.StartCPUProfileResponse - 86, // 112: daemon.DaemonService.StopCPUProfile:output_type -> daemon.StopCPUProfileResponse - 88, // 113: daemon.DaemonService.GetInstallerResult:output_type -> daemon.InstallerResultResponse - 90, // 114: daemon.DaemonService.ExposeService:output_type -> daemon.ExposeServiceEvent + 77, // 107: daemon.DaemonService.TriggerUpdate:output_type -> daemon.TriggerUpdateResponse + 79, // 108: daemon.DaemonService.GetPeerSSHHostKey:output_type -> daemon.GetPeerSSHHostKeyResponse + 81, // 109: daemon.DaemonService.RequestJWTAuth:output_type -> daemon.RequestJWTAuthResponse + 83, // 110: daemon.DaemonService.WaitJWTToken:output_type -> daemon.WaitJWTTokenResponse + 85, // 111: daemon.DaemonService.StartCPUProfile:output_type -> daemon.StartCPUProfileResponse + 87, // 112: daemon.DaemonService.StopCPUProfile:output_type -> daemon.StopCPUProfileResponse + 89, // 113: daemon.DaemonService.GetInstallerResult:output_type -> daemon.InstallerResultResponse + 91, // 114: daemon.DaemonService.ExposeService:output_type -> daemon.ExposeServiceEvent 76, // [76:115] is the sub-list for method output_type 37, // [37:76] is the sub-list for method input_type 37, // [37:37] is the sub-list for extension type_name @@ -7097,8 +7163,8 @@ func file_daemon_proto_init() { file_daemon_proto_msgTypes[54].OneofWrappers = []any{} file_daemon_proto_msgTypes[56].OneofWrappers = []any{} file_daemon_proto_msgTypes[67].OneofWrappers = []any{} - file_daemon_proto_msgTypes[75].OneofWrappers = []any{} - file_daemon_proto_msgTypes[86].OneofWrappers = []any{ + file_daemon_proto_msgTypes[76].OneofWrappers = []any{} + file_daemon_proto_msgTypes[87].OneofWrappers = []any{ (*ExposeServiceEvent_Ready)(nil), } type x struct{} @@ -7107,7 +7173,7 @@ func file_daemon_proto_init() { GoPackagePath: reflect.TypeOf(x{}).PkgPath(), RawDescriptor: unsafe.Slice(unsafe.StringData(file_daemon_proto_rawDesc), len(file_daemon_proto_rawDesc)), NumEnums: 4, - NumMessages: 97, + NumMessages: 98, NumExtensions: 0, NumServices: 1, }, diff --git a/client/proto/daemon.proto b/client/proto/daemon.proto index 6982e4a1c..265ab40bb 100644 --- a/client/proto/daemon.proto +++ b/client/proto/daemon.proto @@ -314,6 +314,13 @@ message GetConfigResponse { int32 sshJWTCacheTTL = 26; bool disable_ipv6 = 27; + + // mDMManagedFields lists the names of configuration keys whose value is + // currently enforced by an MDM policy. Names match mdm.Key* constants + // (e.g. "managementURL", "disableClientRoutes"). UI/CLI clients should + // render the corresponding inputs as read-only and display a "managed + // by MDM" indicator. + repeated string mDMManagedFields = 28; } // PeerState contains the latest state of a peer @@ -733,6 +740,15 @@ message GetFeaturesResponse{ bool disable_networks = 3; } +// MDMManagedFieldsViolation is attached as a gRPC error detail on a +// FailedPrecondition status returned from SetConfig (and similar mutating +// RPCs) when the caller tries to modify one or more MDM-enforced fields. +// The fields list contains the offending key names; the entire request is +// rejected (no partial apply). +message MDMManagedFieldsViolation { + repeated string fields = 1; +} + message TriggerUpdateRequest {} message TriggerUpdateResponse { diff --git a/client/server/mdm.go b/client/server/mdm.go new file mode 100644 index 000000000..0da0ec5d1 --- /dev/null +++ b/client/server/mdm.go @@ -0,0 +1,419 @@ +package server + +import ( + "context" + "fmt" + "time" + + log "github.com/sirupsen/logrus" + "google.golang.org/grpc/codes" + gstatus "google.golang.org/grpc/status" + + "github.com/netbirdio/netbird/client/mdm" + "github.com/netbirdio/netbird/client/proto" +) + +// preSharedKeyRedactedSentinel is the value GetConfig returns in place +// of an actual PSK, so a UI that round-trips the field back to the +// daemon (via SetConfig / Login) can be distinguished from a deliberate +// override. Any incoming PSK that equals this sentinel is treated as +// a no-op echo, never as a conflict with the policy. +const preSharedKeyRedactedSentinel = "**********" + +// loadMDMPolicy is the indirection used by server handlers to read the +// active MDM policy. Tests override this to inject a fake policy. +var loadMDMPolicy = mdm.LoadPolicy + +// conflictCheck is a value-aware comparison between a single field in +// the incoming request and the corresponding MDM-enforced value. It +// runs only when the field was actually set in the request (presence +// already filtered upstream); ok=true reports the policy value, ok=false +// means the policy is silent on the key — both are treated as conflicts +// to be safe (an MDM key declared as managed must hold a value). +type conflictCheck struct { + key string + check func(*mdm.Policy) (match bool) +} + +// onMDMPolicyChange is invoked by the MDM reload ticker every time the +// OS-native managed-config store reports a diff vs the last observation. +// +// Restart sequence: +// 1. Cancel the active engine context (terminates connectWithRetryRuns). +// 2. Wait briefly for that goroutine to exit (giveUpChan is closed on exit). +// 3. Re-resolve Config from disk + MDM policy (Config.apply re-runs +// applyMDMPolicy with the freshly loaded Policy). +// 4. Spawn a fresh connectWithRetryRuns with the new context and config. +// 5. Broadcast a SystemEvent so any GUI / CLI subscriber (SubscribeEvents +// RPC) can refresh its cached config view without polling. +// +// The callback runs in the ticker's own goroutine. Ticker has already +// logged the per-key diff before invoking this hook. +func (s *Server) onMDMPolicyChange(_, _ *mdm.Policy) error { + log.Warn("MDM policy changed; restarting engine to apply new configuration") + + // Hold s.mutex for the entire restart sequence (cancel + quiescence + // wait + re-spawn). Any concurrent Up/Down/Status arriving while + // MDM is restarting blocks on the Lock until we are done — they + // then observe the post-restart state coherently. This is safe + // because the connectWithRetryRuns goroutine no longer acquires + // s.mutex in its defer (intent vs. goroutine-alive concerns are + // fully separated; see the connectionGoroutineRunning helper). + s.mutex.Lock() + defer s.mutex.Unlock() + + if !s.clientRunning { + // The client is not running, so there's no engine to restart. + return nil + } + if s.actCancel != nil { + s.actCancel() + } + + // Wait for previous connectWithRetryRuns to exit so we don't end up + // with two goroutines fighting over the same status recorder + engine. + // The teardown engages a fan-out of engine goroutines (peer workers, + // signal handler, route manager, ...). close(clientGiveUpChan) + // happens in the function-scope defer of connectWithRetryRuns, on + // every exit path (ctx cancel, backoff exhausted, panic) — see the + // defer in server.go. + if s.clientGiveUpChan != nil { + select { + case <-s.clientGiveUpChan: + case <-time.After(10 * time.Second): + return fmt.Errorf("failed to restart the engine due to timeout") + } + } + + if err := s.restartEngineForMDMLocked(); err != nil { + log.Errorf("MDM restart failed: %v", err) + return err + } + + // publishConfigChangedEvent has already fired inside + // restartEngineForMDMLocked with source="mdm". Emit an MDM-specific + // user-visible toast so the operator knows their IT policy was + // applied (UserMessage != "" triggers the GUI notifier). + s.statusRecorder.PublishEvent( + proto.SystemEvent_INFO, + proto.SystemEvent_SYSTEM, + "MDM policy applied", + "NetBird configuration was updated by your IT policy.", + map[string]string{"source": "mdm", "type": "policy_applied"}, + ) + return nil +} + +// publishConfigChangedEvent broadcasts a SystemEvent informing any active +// SubscribeEvents subscriber (typically the GUI tray) that the daemon's +// effective Config has been replaced and any cached client-side view +// should be refreshed. Callers pass a stable `source` label so the GUI +// can distinguish a startup spawn from a user-triggered Up or an +// MDM-driven restart. Reusing the SYSTEM category keeps the proto enum +// stable; metadata.type="config_changed" routes to the GUI's refresh +// handler. UserMessage is left empty so the system tray does not toast +// for every internal restart; the MDM path emits a separate +// "policy_applied" event (with UserMessage) for that purpose. +func (s *Server) publishConfigChangedEvent(source string) { + if s.statusRecorder == nil { + return + } + s.statusRecorder.PublishEvent( + proto.SystemEvent_INFO, + proto.SystemEvent_SYSTEM, + fmt.Sprintf("daemon config changed (source=%s)", source), + "", + map[string]string{ + "source": source, + "type": "config_changed", + }, + ) +} + +// restartEngineForMDMLocked re-resolves the active profile config +// (re-running applyMDMPolicy via Config.apply) and re-spawns +// connectWithRetryRuns. Mirrors the tail of Server.Start so a runtime +// MDM change behaves identically to a fresh boot under the new policy. +// +// MUST be called with s.mutex held — onMDMPolicyChange holds the lock +// for the entire restart sequence (cancel + quiescence wait + re-spawn) +// so concurrent Up/Down/Status RPCs observe a coherent post-restart +// state. +func (s *Server) restartEngineForMDMLocked() error { + activeProf, err := s.profileManager.GetActiveProfileState() + if err != nil { + return fmt.Errorf("get active profile state: %w", err) + } + config, _, err := s.getConfig(activeProf) + if err != nil { + return fmt.Errorf("get active profile config: %w", err) + } + + s.config = config + s.statusRecorder.UpdateManagementAddress(config.ManagementURL.String()) + s.statusRecorder.UpdateRosenpass(config.RosenpassEnabled, config.RosenpassPermissive) + s.statusRecorder.UpdateLazyConnection(config.LazyConnectionEnabled) + + ctx, cancel := context.WithCancel(s.rootCtx) + s.actCancel = cancel + s.clientRunning = true + s.clientRunningChan = make(chan struct{}) + s.clientGiveUpChan = make(chan struct{}) + log.Info("MDM restart: spawning connectWithRetryRuns with re-resolved config") + go s.connectWithRetryRuns(ctx, config, s.statusRecorder, s.clientRunningChan, s.clientGiveUpChan) + s.publishConfigChangedEvent("mdm") + return nil +} + +// conflictBool builds a conflictCheck for a boolean MDM key. If p is nil +// the field is treated as matching (no override requested); otherwise the +// check returns true only when the policy contains the key and its +// boolean value equals *p. +func conflictBool(key string, p *bool) conflictCheck { + return conflictCheck{ + key: key, + check: func(pol *mdm.Policy) bool { + if p == nil { + return true // absent → match by definition + } + want, ok := pol.GetBool(key) + return ok && want == *p + }, + } +} + +// conflictString builds a conflictCheck for a string MDM key. An empty +// `got` is treated as "field not set" (no override requested); otherwise +// the check returns true only when the policy contains the key and its +// value equals got. +func conflictString(key, got string) conflictCheck { + return conflictCheck{ + key: key, + check: func(pol *mdm.Policy) bool { + if got == "" { + return true + } + want, ok := pol.GetString(key) + return ok && want == got + }, + } +} + +// conflictInt64 builds a conflictCheck for an integer MDM key. If p is +// nil the field is treated as matching; otherwise the check returns +// true only when the policy contains the key and its int value equals *p. +func conflictInt64(key string, p *int64) conflictCheck { + return conflictCheck{ + key: key, + check: func(pol *mdm.Policy) bool { + if p == nil { + return true + } + want, ok := pol.GetInt(key) + return ok && want == *p + }, + } +} + +// resolveConflicts walks the per-field checks against the active MDM +// policy and returns the names of keys whose requested value diverges +// from the policy-enforced value. Keys not present in the policy are +// skipped silently (the gate fires only for keys the admin has +// actually pushed). Returns nil for an empty policy. +func resolveConflicts(policy *mdm.Policy, checks []conflictCheck) []string { + if policy.IsEmpty() { + return nil + } + var conflicts []string + for _, c := range checks { + if !policy.HasKey(c.key) { + continue + } + if !c.check(policy) { + conflicts = append(conflicts, c.key) + } + } + return conflicts +} + +// mdmManagedFieldConflicts returns the names of MDM-managed keys whose +// requested value in the SetConfigRequest differs from the MDM-enforced +// value. A field set to the same value the policy already enforces is +// treated as a no-op echo (the GUI tray sends a full Config snapshot on +// every toggle, so most fields in a typical request match the policy +// exactly and must NOT be flagged as conflicts). The redacted PSK +// sentinel ("**********") returned by GetConfig is recognised and +// treated as no-op so the UI can safely round-trip it. +func mdmManagedFieldConflicts(msg *proto.SetConfigRequest, policy *mdm.Policy) []string { + if msg == nil { + return nil + } + + // PSK round-trip echo: collapse the sentinel to empty so the + // shared check treats it as "field not set". + pskGot := "" + if msg.OptionalPreSharedKey != nil && *msg.OptionalPreSharedKey != preSharedKeyRedactedSentinel { + pskGot = *msg.OptionalPreSharedKey + } + + return resolveConflicts(policy, []conflictCheck{ + conflictString(mdm.KeyManagementURL, msg.ManagementUrl), + conflictString(mdm.KeyPreSharedKey, pskGot), + conflictBool(mdm.KeyRosenpassEnabled, msg.RosenpassEnabled), + conflictBool(mdm.KeyRosenpassPermissive, msg.RosenpassPermissive), + conflictBool(mdm.KeyDisableAutoConnect, msg.DisableAutoConnect), + conflictBool(mdm.KeyAllowServerSSH, msg.ServerSSHAllowed), + conflictBool(mdm.KeyDisableClientRoutes, msg.DisableClientRoutes), + conflictBool(mdm.KeyDisableServerRoutes, msg.DisableServerRoutes), + conflictBool(mdm.KeyBlockInbound, msg.BlockInbound), + conflictInt64(mdm.KeyWireguardPort, msg.WireguardPort), + }) +} + +// setConfigRequestHasConfigOverrides reports whether the SetConfigRequest +// carries ANY field that would actually mutate the persisted config. +// The CLI builds a SetConfigRequest unconditionally on every +// `netbird up` (see setupSetConfigReq in cmd/up.go) — a plain +// `netbird up` produces a request with every field at its zero value; +// the gate must skip such no-op invocations or it would always fire +// even when the user did not pass any --flag. Returns false on a nil +// msg; true when any management/admin URL, PSK, DNS/NAT list+clean +// flag, interface/port/MTU, or any optional bool/duration field is set. +func setConfigRequestHasConfigOverrides(msg *proto.SetConfigRequest) bool { + if msg == nil { + return false + } + return msg.ManagementUrl != "" || + msg.AdminURL != "" || + msg.OptionalPreSharedKey != nil || + len(msg.CustomDNSAddress) > 0 || + len(msg.NatExternalIPs) > 0 || msg.CleanNATExternalIPs || + len(msg.ExtraIFaceBlacklist) > 0 || + len(msg.DnsLabels) > 0 || msg.CleanDNSLabels || + msg.DnsRouteInterval != nil || + msg.RosenpassEnabled != nil || + msg.RosenpassPermissive != nil || + msg.InterfaceName != nil || + msg.WireguardPort != nil || + msg.Mtu != nil || + msg.DisableAutoConnect != nil || + msg.ServerSSHAllowed != nil || + msg.NetworkMonitor != nil || + msg.DisableClientRoutes != nil || + msg.DisableServerRoutes != nil || + msg.DisableDns != nil || + msg.DisableFirewall != nil || + msg.BlockLanAccess != nil || + msg.DisableNotifications != nil || + msg.LazyConnectionEnabled != nil || + msg.BlockInbound != nil || + msg.DisableIpv6 != nil || + msg.EnableSSHRoot != nil || + msg.EnableSSHSFTP != nil || + msg.EnableSSHLocalPortForwarding != nil || + msg.EnableSSHRemotePortForwarding != nil || + msg.DisableSSHAuth != nil || + msg.SshJWTCacheTTL != nil +} + +// loginRequestHasConfigOverrides reports whether the LoginRequest +// carries ANY field that would mutate persisted daemon configuration +// (as opposed to pure-auth fields like setupKey, hostname, hint, +// profileName, username). Used by the Login handler to decide whether +// the `--disable-update-settings` / MDM gates must run: a re-auth that +// changes nothing about the configuration is always allowed. +func loginRequestHasConfigOverrides(msg *proto.LoginRequest) bool { + if msg == nil { + return false + } + return msg.ManagementUrl != "" || + msg.AdminURL != "" || + msg.PreSharedKey != "" || //nolint:staticcheck // SA1019: legacy proto field still accepted by Login + msg.OptionalPreSharedKey != nil || + len(msg.CustomDNSAddress) > 0 || + len(msg.NatExternalIPs) > 0 || msg.CleanNATExternalIPs || + msg.RosenpassEnabled != nil || + msg.InterfaceName != nil || + msg.WireguardPort != nil || + msg.DisableAutoConnect != nil || + msg.ServerSSHAllowed != nil || + msg.RosenpassPermissive != nil || + len(msg.ExtraIFaceBlacklist) > 0 || + msg.NetworkMonitor != nil || + msg.DnsRouteInterval != nil || + msg.DisableClientRoutes != nil || + msg.DisableServerRoutes != nil || + msg.DisableDns != nil || + msg.DisableFirewall != nil || + msg.BlockLanAccess != nil || + msg.DisableNotifications != nil || + len(msg.DnsLabels) > 0 || msg.CleanDNSLabels || + msg.LazyConnectionEnabled != nil || + msg.BlockInbound != nil +} + +// loginRequestMDMConflicts mirrors mdmManagedFieldConflicts but for the +// LoginRequest surface. Same value-aware semantics: a field set to the +// MDM-enforced value is a no-op echo, not a conflict; only a divergent +// value is flagged. PSK has two proto fields — PreSharedKey (deprecated) +// and OptionalPreSharedKey (current); either route trips the gate if it +// diverges from the MDM-enforced PSK. OptionalPreSharedKey wins when +// both are set; the redaction sentinel ("**********") is accepted as +// a no-op echo. +func loginRequestMDMConflicts(msg *proto.LoginRequest, policy *mdm.Policy) []string { + if msg == nil { + return nil + } + + // Collapse the two PSK fields + the redaction sentinel down to a + // single "got" string the shared check can compare against the + // policy: OptionalPreSharedKey wins if set; PreSharedKey (deprecated) + // is the fallback; sentinel echo is treated as "field not set". + pskGot := "" + if msg.OptionalPreSharedKey != nil { + pskGot = *msg.OptionalPreSharedKey + } else if msg.PreSharedKey != "" { //nolint:staticcheck // SA1019: legacy proto field still accepted by Login + pskGot = msg.PreSharedKey //nolint:staticcheck // SA1019 + } + if pskGot == preSharedKeyRedactedSentinel { + pskGot = "" + } + + return resolveConflicts(policy, []conflictCheck{ + conflictString(mdm.KeyManagementURL, msg.ManagementUrl), + conflictString(mdm.KeyPreSharedKey, pskGot), + conflictBool(mdm.KeyRosenpassEnabled, msg.RosenpassEnabled), + conflictBool(mdm.KeyRosenpassPermissive, msg.RosenpassPermissive), + conflictBool(mdm.KeyDisableAutoConnect, msg.DisableAutoConnect), + conflictBool(mdm.KeyAllowServerSSH, msg.ServerSSHAllowed), + conflictBool(mdm.KeyDisableClientRoutes, msg.DisableClientRoutes), + conflictBool(mdm.KeyDisableServerRoutes, msg.DisableServerRoutes), + conflictBool(mdm.KeyBlockInbound, msg.BlockInbound), + conflictInt64(mdm.KeyWireguardPort, msg.WireguardPort), + }) +} + +// rejectMDMManagedFieldConflicts returns a FailedPrecondition gRPC error +// with an MDMManagedFieldsViolation detail when any of the requested +// fields tries to change an MDM-enforced value to something else, and +// nil otherwise. The whole request is rejected on any conflict; non- +// conflicting fields in the same request are not applied either (no +// partial apply). +func rejectMDMManagedFieldConflicts(conflicts []string) error { + if len(conflicts) == 0 { + return nil + } + log.Warnf("MDM rejected request: tried to modify %d managed key(s): %v", + len(conflicts), conflicts) + st := gstatus.New( + codes.FailedPrecondition, + fmt.Sprintf("fields managed by MDM cannot be modified: %v", conflicts), + ) + detailed, err := st.WithDetails(&proto.MDMManagedFieldsViolation{Fields: conflicts}) + if err != nil { + // Detail attachment is best-effort; fall back to the plain status + // so the caller still gets a usable FailedPrecondition. + return st.Err() + } + return detailed.Err() +} diff --git a/client/server/network.go b/client/server/network.go index 12cefbd9c..7a3c08f2e 100644 --- a/client/server/network.go +++ b/client/server/network.go @@ -30,7 +30,7 @@ func (s *Server) ListNetworks(context.Context, *proto.ListNetworksRequest) (*pro s.mutex.Lock() defer s.mutex.Unlock() - if s.networksDisabled { + if s.checkNetworksDisabled() { return nil, gstatus.Errorf(codes.Unavailable, errNetworksDisabled) } @@ -143,7 +143,7 @@ func (s *Server) SelectNetworks(_ context.Context, req *proto.SelectNetworksRequ s.mutex.Lock() defer s.mutex.Unlock() - if s.networksDisabled { + if s.checkNetworksDisabled() { return nil, gstatus.Errorf(codes.Unavailable, errNetworksDisabled) } @@ -195,7 +195,7 @@ func (s *Server) DeselectNetworks(_ context.Context, req *proto.SelectNetworksRe s.mutex.Lock() defer s.mutex.Unlock() - if s.networksDisabled { + if s.checkNetworksDisabled() { return nil, gstatus.Errorf(codes.Unavailable, errNetworksDisabled) } diff --git a/client/server/server.go b/client/server/server.go index 397fb37e4..32daf7718 100644 --- a/client/server/server.go +++ b/client/server/server.go @@ -24,6 +24,7 @@ import ( "github.com/netbirdio/netbird/client/internal/expose" "github.com/netbirdio/netbird/client/internal/profilemanager" sleephandler "github.com/netbirdio/netbird/client/internal/sleep/handler" + "github.com/netbirdio/netbird/client/mdm" "github.com/netbirdio/netbird/client/system" mgm "github.com/netbirdio/netbird/shared/management/client" "github.com/netbirdio/netbird/shared/management/domain" @@ -71,7 +72,13 @@ type Server struct { mutex sync.Mutex config *profilemanager.Config proto.UnimplementedDaemonServiceServer - clientRunning bool // protected by mutex + // clientRunning tracks "the daemon wants to be connected" — set true by + // Start / Up, cleared by Down / Logout. Persists across retry + // loops, signal disconnects, and ErrResetConnection cycles. NOT + // changed by connectWithRetryRuns goroutine exit — for that + // (goroutine-still-alive) check, see connectionGoroutineRunning() which + // derives from clientGiveUpChan close state. Protected by s.mutex. + clientRunning bool clientRunningChan chan struct{} clientGiveUpChan chan struct{} // closed when connectWithRetryRuns goroutine exits @@ -98,6 +105,11 @@ type Server struct { sleepHandler *sleephandler.SleepHandler + // mdmTicker periodically re-reads the OS-native MDM policy and triggers + // an engine restart when the policy changes. Launched once by Start; + // stopped by the rootCtx cancellation. + mdmTicker *mdm.Ticker + updateManager *updater.Manager jwtCache *jwtCache @@ -155,6 +167,17 @@ func (s *Server) Start() error { s.updateManager.CheckUpdateSuccess(s.rootCtx) } + // MDM policy reload ticker: every minute the desktop daemon re-reads + // the OS-native managed-config store and, on diff vs the previous + // observation, cancels the active engine context so connectWithRetry- + // Runs re-resolves Config (re-running profilemanager.Config.apply which + // applies the freshly-read MDM policy as the last layer) and brings + // the engine back with the new values. + if s.mdmTicker == nil { + s.mdmTicker = mdm.NewTicker(mdm.DefaultReloadInterval) + go s.mdmTicker.Run(s.rootCtx, s.onMDMPolicyChange) + } + // if current state contains any error, return it // in all other cases we can continue execution only if status is idle and up command was // not in the progress or already successfully established connection. @@ -213,17 +236,27 @@ func (s *Server) Start() error { s.clientRunningChan = make(chan struct{}) s.clientGiveUpChan = make(chan struct{}) go s.connectWithRetryRuns(ctx, config, s.statusRecorder, s.clientRunningChan, s.clientGiveUpChan) + s.publishConfigChangedEvent("startup") return nil } // connectWithRetryRuns runs the client connection with a backoff strategy where we retry the operation as additional // mechanism to keep the client connected even when the connection is lost. // we cancel retry if the client receive a stop or down command, or if disable auto connect is configured. +// +// The goroutine's exit is signalled to the daemon via close(giveUpChan) +// — placed in the function-scope defer so every return path (panic, +// DisableAutoConnect early-exit, backoff exhausted, ctx cancel) closes +// it. Callers that need to observe "is the goroutine still alive?" use +// Server.connectionGoroutineRunning() which non-blockingly checks the close state +// of clientGiveUpChan. The defer does NOT touch s.mutex; the daemon's +// "intent" (clientRunning) is maintained by the RPC handlers, not by this +// goroutine. func (s *Server) connectWithRetryRuns(ctx context.Context, profileConfig *profilemanager.Config, statusRecorder *peer.Status, runningChan chan struct{}, giveUpChan chan struct{}) { defer func() { - s.mutex.Lock() - s.clientRunning = false - s.mutex.Unlock() + if giveUpChan != nil { + close(giveUpChan) + } }() if s.config.DisableAutoConnect { @@ -269,9 +302,26 @@ func (s *Server) connectWithRetryRuns(ctx context.Context, profileConfig *profil if err := backoff.Retry(runOperation, backOff); err != nil { log.Errorf("operation failed: %v", err) } + // giveUpChan is closed by the function-scope defer. +} - if giveUpChan != nil { - close(giveUpChan) +// connectionGoroutineRunning reports whether the connectWithRetryRuns goroutine is +// still running. Returns false when no goroutine has ever been started +// AND when the most recent one has already closed clientGiveUpChan on +// exit (whether due to ctx cancel, DisableAutoConnect single-shot +// completion, or backoff retry exhaustion). +// +// MUST be called with s.mutex held — accesses s.clientGiveUpChan which +// is written by Start/Up under the same lock. +func (s *Server) connectionGoroutineRunning() bool { + if s.clientGiveUpChan == nil { + return false + } + select { + case <-s.clientGiveUpChan: + return false + default: + return true } } @@ -304,54 +354,85 @@ func (s *Server) SetConfig(callerCtx context.Context, msg *proto.SetConfigReques s.mutex.Lock() defer s.mutex.Unlock() - if s.checkUpdateSettingsDisabled() { - return nil, gstatus.Errorf(codes.Unavailable, errUpdateSettingsDisabled) + // Skip the update-settings gate when the request carries no actual + // overrides: the CLI builds a SetConfigRequest unconditionally on + // every `netbird up` (setupSetConfigReq in cmd/up.go), so a plain + // `netbird up` would otherwise always trip the gate and surface a + // misleading "setConfig method is not available" warning, even when + // the user did not pass any config flag. + if setConfigRequestHasConfigOverrides(msg) { + if s.checkUpdateSettingsDisabled() { + return nil, gstatus.Errorf(codes.Unavailable, errUpdateSettingsDisabled) + } } + // MDM gate: refuse the whole request if any of its fields is enforced + // by the active MDM policy. The error carries an MDMManagedFields- + // Violation detail listing the offending key names. Non-conflicting + // fields in the same request are not applied either. + policy := loadMDMPolicy() + if err := rejectMDMManagedFieldConflicts(mdmManagedFieldConflicts(msg, policy)); err != nil { + return nil, err + } + + config, err := setConfigInputFromRequest(msg) + if err != nil { + return nil, err + } + + if _, err := profilemanager.UpdateConfig(config); err != nil { + log.Errorf("failed to update profile config: %v", err) + return nil, fmt.Errorf("failed to update profile config: %w", err) + } + + return &proto.SetConfigResponse{}, nil +} + +// setConfigInputFromRequest translates a SetConfigRequest into the +// profilemanager.ConfigInput that profilemanager.UpdateConfig consumes. +// Pure mapping with no business logic beyond presence-aware copying of +// optional fields and the "empty / clean" semantics for the two slice +// fields (DNS labels, NAT external IPs). Extracted from SetConfig to +// keep the handler's cognitive complexity below the SonarCube +// threshold; the body is intentionally linear because each proto +// field is its own optional case. Returns the resolved ConfigInput +// and a non-nil error only when the active profile file path cannot +// be determined. +func setConfigInputFromRequest(msg *proto.SetConfigRequest) (profilemanager.ConfigInput, error) { + var config profilemanager.ConfigInput + profState := profilemanager.ActiveProfileState{ Name: msg.ProfileName, Username: msg.Username, } - profPath, err := profState.FilePath() if err != nil { log.Errorf("failed to get active profile file path: %v", err) - return nil, fmt.Errorf("failed to get active profile file path: %w", err) + return config, fmt.Errorf("failed to get active profile file path: %w", err) } - - var config profilemanager.ConfigInput - config.ConfigPath = profPath if msg.ManagementUrl != "" { config.ManagementURL = msg.ManagementUrl } - if msg.AdminURL != "" { config.AdminURL = msg.AdminURL } - if msg.InterfaceName != nil { config.InterfaceName = msg.InterfaceName } - if msg.WireguardPort != nil { wgPort := int(*msg.WireguardPort) config.WireguardPort = &wgPort } - - if msg.OptionalPreSharedKey != nil { - if *msg.OptionalPreSharedKey != "" { - config.PreSharedKey = msg.OptionalPreSharedKey - } + if msg.OptionalPreSharedKey != nil && *msg.OptionalPreSharedKey != "" { + config.PreSharedKey = msg.OptionalPreSharedKey } if msg.CleanDNSLabels { config.DNSLabels = domain.List{} - } else if msg.DnsLabels != nil { - dnsLabels := domain.FromPunycodeList(msg.DnsLabels) - config.DNSLabels = dnsLabels + config.DNSLabels = domain.FromPunycodeList(msg.DnsLabels) } if msg.CleanNATExternalIPs { @@ -364,7 +445,6 @@ func (s *Server) SetConfig(callerCtx context.Context, msg *proto.SetConfigReques if string(msg.CustomDNSAddress) == "empty" { config.CustomDNSAddress = []byte{} } - config.ExtraIFaceBlackList = msg.ExtraIFaceBlacklist if msg.DnsRouteInterval != nil { @@ -397,22 +477,31 @@ func (s *Server) SetConfig(callerCtx context.Context, msg *proto.SetConfigReques ttl := int(*msg.SshJWTCacheTTL) config.SSHJWTCacheTTL = &ttl } - if msg.Mtu != nil { mtu := uint16(*msg.Mtu) config.MTU = &mtu } - - if _, err := profilemanager.UpdateConfig(config); err != nil { - log.Errorf("failed to update profile config: %v", err) - return nil, fmt.Errorf("failed to update profile config: %w", err) - } - - return &proto.SetConfigResponse{}, nil + return config, nil } // Login uses setup key to prepare configuration for the daemon. func (s *Server) Login(callerCtx context.Context, msg *proto.LoginRequest) (*proto.LoginResponse, error) { + // Config-override gates. LoginRequest carries the same surface as + // SetConfigRequest (managementUrl, PSK, ssh/rosenpass/port toggles, + // ...), so the same protections must apply. Without these the CLI + // command `netbird up --management-url=X` (which falls through to + // Login when SetConfig is rejected — see cmd/up.go) would silently + // bypass `--disable-update-settings` and any MDM policy. + if loginRequestHasConfigOverrides(msg) { + if s.checkUpdateSettingsDisabled() { + return nil, gstatus.Errorf(codes.Unavailable, errUpdateSettingsDisabled) + } + policy := loadMDMPolicy() + if err := rejectMDMManagedFieldConflicts(loginRequestMDMConflicts(msg, policy)); err != nil { + return nil, err + } + } + s.mutex.Lock() if s.actCancel != nil { s.actCancel() @@ -652,7 +741,13 @@ func (s *Server) WaitSSOLogin(callerCtx context.Context, msg *proto.WaitSSOLogin // Up starts engine work in the daemon. func (s *Server) Up(callerCtx context.Context, msg *proto.UpRequest) (*proto.UpResponse, error) { s.mutex.Lock() - if s.clientRunning { + // clientRunning is the daemon-intent flag (set by previous Up/Start, cleared + // by Down). connectionGoroutineRunning() reports whether the previous retry-loop + // goroutine is still trying. When intent is up AND goroutine is alive, + // the existing engine is on the job — just wait for it. When intent + // is up but the goroutine has given up (backoff exhausted) OR when + // intent is down, fall through to spawn a fresh retry loop. + if s.clientRunning && s.connectionGoroutineRunning() { state := internal.CtxGetState(s.rootCtx) status, err := state.Status() if err != nil { @@ -743,6 +838,7 @@ func (s *Server) Up(callerCtx context.Context, msg *proto.UpRequest) (*proto.UpR s.clientGiveUpChan = make(chan struct{}) go s.connectWithRetryRuns(ctx, s.config, s.statusRecorder, s.clientRunningChan, s.clientGiveUpChan) + s.publishConfigChangedEvent("up_rpc") s.mutex.Unlock() return s.waitForUp(callerCtx) @@ -871,6 +967,12 @@ func (s *Server) cleanupConnection() error { return ErrServiceNotUp } + // Daemon intent flips to "down" — all callers (Down RPC, + // Logout RPC handlers) tear down the connection because the user + // explicitly asked for it. MDM restart does NOT go through this + // path, so its clientRunning stays true. + s.clientRunning = false + // Capture the engine reference before cancelling the context. // After actCancel(), the connectWithRetryRuns goroutine wakes up // and sets connectClient.engine = nil, causing connectClient.Stop() @@ -1074,10 +1176,14 @@ func (s *Server) Status( msg *proto.StatusRequest, ) (*proto.StatusResponse, error) { s.mutex.Lock() - clientRunning := s.clientRunning + // Only wait if the retry-loop goroutine is alive and making + // progress. clientRunning=true with connectionGoroutineRunning=false means the + // backoff has given up — there is nothing to wait for; let the + // caller observe the failed status directly. + alive := s.connectionGoroutineRunning() s.mutex.Unlock() - if msg.WaitForReady != nil && *msg.WaitForReady && clientRunning { + if msg.WaitForReady != nil && *msg.WaitForReady && alive { state := internal.CtxGetState(s.rootCtx) status, err := state.Status() if err != nil { @@ -1548,6 +1654,7 @@ func (s *Server) GetConfig(ctx context.Context, req *proto.GetConfigRequest) (*p EnableSSHRemotePortForwarding: enableSSHRemotePortForwarding, DisableSSHAuth: disableSSHAuth, SshJWTCacheTTL: sshJWTCacheTTL, + MDMManagedFields: cfg.Policy().ManagedKeys(), }, nil } @@ -1646,7 +1753,7 @@ func (s *Server) GetFeatures(ctx context.Context, msg *proto.GetFeaturesRequest) features := &proto.GetFeaturesResponse{ DisableProfiles: s.checkProfilesDisabled(), DisableUpdateSettings: s.checkUpdateSettingsDisabled(), - DisableNetworks: s.networksDisabled, + DisableNetworks: s.checkNetworksDisabled(), } return features, nil @@ -1668,22 +1775,46 @@ func (s *Server) connect(ctx context.Context, config *profilemanager.Config, sta return nil } +// MDM authority: when the platform-native MDM source sets a kill switch +// key (regardless of true/false value), that value wins. The CLI flag +// supplied at service install time is the fallback used only when the +// MDM source is silent on the key. This honors the "MDM decides +// everything" semantic agreed for NET-1214 — an admin pushing +// disableX=false via MDM explicitly re-enables the feature even on a +// box installed with --disable-X. func (s *Server) checkProfilesDisabled() bool { - // Check if the environment variable is set to disable profiles - if s.profilesDisabled { - return true + if s.config != nil { + if v, ok := s.config.Policy().GetBool(mdm.KeyDisableProfiles); ok { + return v + } } + return s.profilesDisabled +} - return false +// checkNetworksDisabled reports whether the networks/exit-node feature +// is disabled on this daemon instance. Resolved MDM-first: when the +// active policy declares mdm.KeyDisableNetworks the policy value wins +// (regardless of true/false), so an admin can re-enable the feature +// via MDM even on a host that was installed with --disable-networks. +// Falls back to the s.networksDisabled CLI flag when the policy is +// silent on the key. Mirrors checkProfilesDisabled and +// checkUpdateSettingsDisabled. +func (s *Server) checkNetworksDisabled() bool { + if s.config != nil { + if v, ok := s.config.Policy().GetBool(mdm.KeyDisableNetworks); ok { + return v + } + } + return s.networksDisabled } func (s *Server) checkUpdateSettingsDisabled() bool { - // Check if the environment variable is set to disable profiles - if s.updateSettingsDisabled { - return true + if s.config != nil { + if v, ok := s.config.Policy().GetBool(mdm.KeyDisableUpdateSettings); ok { + return v + } } - - return false + return s.updateSettingsDisabled } func (s *Server) startUpdateManagerForGUI() { diff --git a/client/server/server_connect_test.go b/client/server/server_connect_test.go index faea7da39..0c6e03a4a 100644 --- a/client/server/server_connect_test.go +++ b/client/server/server_connect_test.go @@ -101,6 +101,7 @@ func TestCleanupConnection_ClearsConnectClient(t *testing.T) { require.NoError(t, err) assert.Nil(t, s.connectClient, "connectClient should be nil after cleanup") + assert.False(t, s.clientRunning, "clientRunning should be cleared after cleanup (intent = down)") } // TestCleanState_NilConnectClient validates that CleanState doesn't panic @@ -144,17 +145,20 @@ func TestDownThenUp_StaleRunningChan(t *testing.T) { _, cancel := context.WithCancel(context.Background()) s.actCancel = cancel - // Simulate Down(): cleanupConnection sets connectClient = nil + // Simulate Down(): cleanupConnection sets connectClient = nil and + // flips clientRunning to false (intent = down). The connectionGoroutineRunning state + // remains independent of intent — derived from clientGiveUpChan. s.mutex.Lock() err := s.cleanupConnection() s.mutex.Unlock() require.NoError(t, err) - // After cleanup: connectClient is nil, clientRunning still true - // (goroutine hasn't exited yet) + // After cleanup: connectClient is nil, clientRunning is false (intent + // cleared by cleanupConnection), connectionGoroutineRunning may still be true + // (goroutine teardown is independent of the intent flag). s.mutex.Lock() assert.Nil(t, s.connectClient, "connectClient should be nil after cleanup") - assert.True(t, s.clientRunning, "clientRunning still true until goroutine exits") + assert.False(t, s.clientRunning, "clientRunning should be cleared by cleanupConnection (intent = down)") s.mutex.Unlock() // waitForUp() returns immediately due to stale closed clientRunningChan diff --git a/client/server/setconfig_mdm_test.go b/client/server/setconfig_mdm_test.go new file mode 100644 index 000000000..53232c70d --- /dev/null +++ b/client/server/setconfig_mdm_test.go @@ -0,0 +1,198 @@ +package server + +import ( + "context" + "os/user" + "path/filepath" + "testing" + + "github.com/stretchr/testify/assert" + "github.com/stretchr/testify/require" + "google.golang.org/grpc/codes" + gstatus "google.golang.org/grpc/status" + + "github.com/netbirdio/netbird/client/internal/profilemanager" + "github.com/netbirdio/netbird/client/mdm" + "github.com/netbirdio/netbird/client/proto" +) + +// withMDMPolicy temporarily overrides the server-package loadMDMPolicy hook +// so SetConfig observes the supplied Policy. Restores the original loader +// at test cleanup. +func withMDMPolicy(t *testing.T, policy *mdm.Policy) { + t.Helper() + prev := loadMDMPolicy + loadMDMPolicy = func() *mdm.Policy { return policy } + t.Cleanup(func() { loadMDMPolicy = prev }) +} + +// setupServerWithProfile mirrors the boilerplate of TestSetConfig_AllFieldsSaved: +// overrides profilemanager paths to a temp dir, seeds a profile, sets it +// active, and constructs a Server instance. Returns the constructed server +// plus context + profile name + username + cfgPath for the seeded profile. +func setupServerWithProfile(t *testing.T) (s *Server, ctx context.Context, profName, username, cfgPath string) { + t.Helper() + tempDir := t.TempDir() + + origDefaultProfileDir := profilemanager.DefaultConfigPathDir + origDefaultConfigPath := profilemanager.DefaultConfigPath + origActiveProfileStatePath := profilemanager.ActiveProfileStatePath + profilemanager.ConfigDirOverride = tempDir + profilemanager.DefaultConfigPathDir = tempDir + profilemanager.ActiveProfileStatePath = tempDir + "/active_profile.json" + profilemanager.DefaultConfigPath = filepath.Join(tempDir, "default.json") + t.Cleanup(func() { + profilemanager.DefaultConfigPathDir = origDefaultProfileDir + profilemanager.ActiveProfileStatePath = origActiveProfileStatePath + profilemanager.DefaultConfigPath = origDefaultConfigPath + profilemanager.ConfigDirOverride = "" + }) + + currUser, err := user.Current() + require.NoError(t, err) + + profName = "test-profile-mdm" + cfgPath = filepath.Join(tempDir, profName+".json") + + _, err = profilemanager.UpdateOrCreateConfig(profilemanager.ConfigInput{ + ConfigPath: cfgPath, + ManagementURL: "https://api.netbird.io:443", + }) + require.NoError(t, err) + + pm := profilemanager.ServiceManager{} + require.NoError(t, pm.SetActiveProfileState(&profilemanager.ActiveProfileState{ + Name: profName, + Username: currUser.Username, + })) + + ctx = context.Background() + s = New(ctx, "console", "", false, false, false, false) + return s, ctx, profName, currUser.Username, cfgPath +} + +// extractViolation pulls the MDMManagedFieldsViolation detail from a +// FailedPrecondition error. Fails the test if absent or malformed. +func extractViolation(t *testing.T, err error) *proto.MDMManagedFieldsViolation { + t.Helper() + require.Error(t, err) + st, ok := gstatus.FromError(err) + require.True(t, ok, "error must be a gRPC status: %v", err) + require.Equal(t, codes.FailedPrecondition, st.Code(), "expected FailedPrecondition, got %s", st.Code()) + for _, d := range st.Details() { + if v, ok := d.(*proto.MDMManagedFieldsViolation); ok { + return v + } + } + t.Fatalf("MDMManagedFieldsViolation detail not found on status; details: %v", st.Details()) + return nil +} + +func TestSetConfig_MDMReject_SingleField(t *testing.T) { + withMDMPolicy(t, mdm.NewPolicy(map[string]any{ + mdm.KeyManagementURL: "https://mdm.example.com:443", + })) + + s, ctx, profName, username, _ := setupServerWithProfile(t) + + _, err := s.SetConfig(ctx, &proto.SetConfigRequest{ + ProfileName: profName, + Username: username, + ManagementUrl: "https://user.tried.this.com:443", + }) + + v := extractViolation(t, err) + assert.Equal(t, []string{mdm.KeyManagementURL}, v.GetFields()) +} + +func TestSetConfig_MDMReject_MultipleFields(t *testing.T) { + withMDMPolicy(t, mdm.NewPolicy(map[string]any{ + mdm.KeyManagementURL: "https://mdm.example.com:443", + mdm.KeyBlockInbound: true, + mdm.KeyRosenpassEnabled: true, + })) + + s, ctx, profName, username, _ := setupServerWithProfile(t) + + blockInbound := false + rosenpassEnabled := false + _, err := s.SetConfig(ctx, &proto.SetConfigRequest{ + ProfileName: profName, + Username: username, + ManagementUrl: "https://user.tried.this.com:443", + BlockInbound: &blockInbound, + RosenpassEnabled: &rosenpassEnabled, + }) + + v := extractViolation(t, err) + assert.ElementsMatch(t, []string{ + mdm.KeyManagementURL, + mdm.KeyBlockInbound, + mdm.KeyRosenpassEnabled, + }, v.GetFields()) +} + +func TestSetConfig_MDMReject_AllOrNothing(t *testing.T) { + // MDM enforces ManagementURL only; user request touches both the + // enforced field AND a non-enforced field (RosenpassEnabled). + // The whole request must be rejected — non-conflicting fields are not + // applied either. + withMDMPolicy(t, mdm.NewPolicy(map[string]any{ + mdm.KeyManagementURL: "https://mdm.example.com:443", + })) + + s, ctx, profName, username, cfgPath := setupServerWithProfile(t) + + rosenpassEnabled := true + _, err := s.SetConfig(ctx, &proto.SetConfigRequest{ + ProfileName: profName, + Username: username, + ManagementUrl: "https://user.tried.this.com:443", + RosenpassEnabled: &rosenpassEnabled, + }) + + v := extractViolation(t, err) + assert.Equal(t, []string{mdm.KeyManagementURL}, v.GetFields()) + + // Confirm RosenpassEnabled was NOT applied even though it was not + // in the conflict list: the request was rejected as a whole. + reloaded, err := profilemanager.GetConfig(cfgPath) + require.NoError(t, err) + assert.False(t, reloaded.RosenpassEnabled, "non-conflicting field must not be applied when request is rejected") +} + +func TestSetConfig_MDMAllow_NonManagedFields(t *testing.T) { + // MDM enforces ManagementURL but the user only writes RosenpassEnabled. + // Request must succeed. + withMDMPolicy(t, mdm.NewPolicy(map[string]any{ + mdm.KeyManagementURL: "https://mdm.example.com:443", + })) + + s, ctx, profName, username, _ := setupServerWithProfile(t) + + rosenpassEnabled := true + resp, err := s.SetConfig(ctx, &proto.SetConfigRequest{ + ProfileName: profName, + Username: username, + RosenpassEnabled: &rosenpassEnabled, + }) + + require.NoError(t, err) + require.NotNil(t, resp) +} + +func TestSetConfig_MDMEmpty_NoEnforcement(t *testing.T) { + // No MDM policy active: any field can be written. + withMDMPolicy(t, mdm.NewPolicy(nil)) + + s, ctx, profName, username, _ := setupServerWithProfile(t) + + resp, err := s.SetConfig(ctx, &proto.SetConfigRequest{ + ProfileName: profName, + Username: username, + ManagementUrl: "https://user.changed.url.com:443", + }) + + require.NoError(t, err) + require.NotNil(t, resp) +} diff --git a/client/ui/client_ui.go b/client/ui/client_ui.go index c4b644354..5814ad9b4 100644 --- a/client/ui/client_ui.go +++ b/client/ui/client_ui.go @@ -38,6 +38,7 @@ import ( "github.com/netbirdio/netbird/client/iface" "github.com/netbirdio/netbird/client/internal" "github.com/netbirdio/netbird/client/internal/profilemanager" + "github.com/netbirdio/netbird/client/mdm" "github.com/netbirdio/netbird/client/proto" "github.com/netbirdio/netbird/client/ui/desktop" "github.com/netbirdio/netbird/client/ui/event" @@ -56,8 +57,22 @@ const ( const ( censoredPreSharedKey = "**********" maxSSHJWTCacheTTL = 86_400 // 24 hours in seconds + // mdmFieldSuffix is appended to plain-text Entry widgets in the + // advanced Settings window when the underlying field is enforced + // by MDM, so the user sees the lock indicator inline next to the + // value. Stripped before any read site that feeds the value back + // into a SetConfig request (saveSettings / parseNumericSettings). + mdmFieldSuffix = " (MDM)" ) +// main is the entry point for the UI tray/client binary. Parses CLI +// flags, initialises logging, builds the Fyne application and tray +// icons, and constructs the service client (which may open a +// requested UI window). When a window-mode flag is set the Fyne event +// loop runs and main returns; otherwise main enforces single-instance +// behaviour (signalling an existing instance to show its window when +// present), sets up signal handling + default fonts, and runs the +// system tray loop. func main() { flags := parseFlags() @@ -315,9 +330,13 @@ type serviceClient struct { isUpdateIconActive bool isEnforcedUpdate bool lastNotifiedVersion string - settingsEnabled bool profilesEnabled bool networksEnabled bool + // networksMenuEnabled caches the last applied enabled-state of the + // mNetworks + mExitNode submenu items. Combines features.DisableNetworks + // AND s.connected — both must be true for the menus to be active. + // Zero value (false) matches the Disable() call at AddMenuItem time. + networksMenuEnabled bool showNetworks bool wNetworks fyne.Window wProfiles fyne.Window @@ -336,6 +355,13 @@ type serviceClient struct { updateContextCancel context.CancelFunc connectCancel context.CancelFunc + + // mdmManagedFields caches the names of MDM-enforced policy keys + // surfaced by the daemon in GetConfigResponse. Each refresh of + // daemon config (loadSettings, getSrvConfig, config_changed event) + // updates this set and re-applies the lock/badge to the affected + // menu items and settings-form widgets. + mdmManagedFields map[string]bool } type menuHandler struct { @@ -441,15 +467,12 @@ func (s *serviceClient) updateIcon() { } func (s *serviceClient) showSettingsUI() { - // Check if update settings are disabled by daemon - features, err := s.getFeatures() - if err != nil { - log.Errorf("failed to get features from daemon: %v", err) - // Continue with default behavior if features can't be retrieved - } else if features != nil && features.DisableUpdateSettings { - log.Warn("Update settings are disabled by daemon") - return - } + // DisableUpdateSettings no longer gates the window from opening: + // the daemon blocks every actual mutation at SetConfig / Login, + // so the window is safe to show as a read-only view. The previous + // early-return also blocked Advanced Settings whenever update + // editing was off, which conflated two distinct kill switches + // (see comment in checkAndUpdateFeatures). // add settings window UI elements. s.wSettings = s.app.NewWindow("NetBird Settings") @@ -532,7 +555,7 @@ func (s *serviceClient) saveSettings() { return } - iMngURL := strings.TrimSpace(s.iMngURL.Text) + iMngURL := strings.TrimSpace(strings.TrimSuffix(s.iMngURL.Text, mdmFieldSuffix)) if s.hasSettingsChanged(iMngURL, port, mtu) { if err := s.applySettingsChanges(iMngURL, port, mtu); err != nil { @@ -554,7 +577,7 @@ func (s *serviceClient) validateSettings() error { } func (s *serviceClient) parseNumericSettings() (int64, int64, error) { - port, err := strconv.ParseInt(s.iInterfacePort.Text, 10, 64) + port, err := strconv.ParseInt(strings.TrimSpace(strings.TrimSuffix(s.iInterfacePort.Text, mdmFieldSuffix)), 10, 64) if err != nil { return 0, 0, errors.New("invalid interface port") } @@ -663,7 +686,15 @@ func (s *serviceClient) buildSetConfigRequest(iMngURL string, port, mtu int64) ( req.SshJWTCacheTTL = &sshJWTCacheTTL32 } - if s.iPreSharedKey.Text != censoredPreSharedKey { + // Only attach the PSK when the user actually typed something: + // - "" means the field was left untouched (we deliberately render + // an empty Text + placeholder hint to avoid leaking the daemon's + // "**********" redaction through the password reveal toggle); + // sending an empty pointer would tell the daemon to clear / overwrite + // the on-disk or MDM-enforced PSK, which then trips the MDM + // conflict gate when PSK is policy-managed. + // - "**********" is the redacted echo (legacy non-MDM path); also a no-op. + if s.iPreSharedKey.Text != "" && s.iPreSharedKey.Text != censoredPreSharedKey { req.OptionalPreSharedKey = &s.iPreSharedKey.Text } @@ -1036,6 +1067,13 @@ func (s *serviceClient) onTrayReady() { } s.mProfile = newProfileMenu(*newProfileMenuArgs) + // Seed the transition cache to match the actual default menu + // state (visible / enabled). Without this, the first + // checkAndUpdateFeatures tick that observes DisableProfiles=true + // is a no-op (cache zero-value == desired-false) and the menu + // never gets hidden — symptom: MDM enforces the kill switch but + // the profile menu stays clickable. + s.profilesEnabled = true systray.AddSeparator() s.mUp = systray.AddMenuItem("Connect", "Connect") @@ -1055,18 +1093,18 @@ func (s *serviceClient) onTrayReady() { s.mCreateDebugBundle = s.mSettings.AddSubMenuItem("Create Debug Bundle", debugBundleMenuDescr) s.loadSettings() - // Disable settings menu if update settings are disabled by daemon + // Disable profile menu if profiles are disabled by daemon. + // DisableUpdateSettings is enforced at the daemon's SetConfig / + // Login gates, not by hiding the UI — so the Settings menu (and + // its Advanced Settings submenu, which has its own kill switch) + // stays visible and the user can still inspect current values. features, err := s.getFeatures() if err != nil { log.Errorf("failed to get features from daemon: %v", err) // Continue with default behavior if features can't be retrieved - } else { - if features != nil && features.DisableUpdateSettings { - s.setSettingsEnabled(false) - } - if features != nil && features.DisableProfiles { - s.mProfile.setEnabled(false) - } + } else if features != nil && features.DisableProfiles { + s.mProfile.setEnabled(false) + s.profilesEnabled = false } s.exitNodeMu.Lock() @@ -1100,13 +1138,20 @@ func (s *serviceClient) onTrayReady() { // update exit node menu in case service is already connected go s.updateExitNodes() + // Features (DisableProfiles, DisableUpdateSettings, DisableNetworks, + // ...) only change in two ways: at service install time (CLI flag, + // static) and at MDM ticker diff time. The daemon already publishes + // a SystemEvent{type=config_changed} on every MDM-driven engine + // restart, so the UI no longer needs to poll GetFeatures every 2 s. + // A single fetch at startup covers the static CLI-flag case; the + // event handler below covers MDM transitions. updateStatus stays in + // the 2 s loop because connection / peer state genuinely change + // continuously and have no event yet. + s.checkAndUpdateFeatures() go func() { s.getSrvConfig() time.Sleep(100 * time.Millisecond) // To prevent race condition caused by systray not being fully initialized and ignoring setIcon for { - // Check features before status so menus respect disable flags before being enabled - s.checkAndUpdateFeatures() - err := s.updateStatus() if err != nil { log.Errorf("error while updating status: %v", err) @@ -1150,6 +1195,23 @@ func (s *serviceClient) onTrayReady() { s.onUpdateAvailable(newVersion, enforced) } }) + s.eventManager.AddHandler(func(event *proto.SystemEvent) { + // Daemon emits a config_changed event after every engine spawn + // (Server.Start, Server.Up, MDM ticker restart). Re-sync the + // tray submenu checkboxes from the fresh daemon-side config so + // the user does not have to restart the tray to see CLI- or + // MDM-driven changes. + if event.Category == proto.SystemEvent_SYSTEM && event.Metadata["type"] == "config_changed" { + log.Infof("config_changed event received (source=%s); refreshing settings + features", event.Metadata["source"]) + s.loadSettings() + // MDM-driven feature kill switches (DisableProfiles / + // DisableUpdateSettings / DisableNetworks) ride the same + // config_changed signal because the daemon re-applies its + // MDM policy on every engine spawn. Pull them in here so + // the UI is up to date without a periodic GetFeatures poll. + s.checkAndUpdateFeatures() + } + }) go s.eventManager.Start(s.ctx) go s.eventHandler.listen(s.ctx) @@ -1213,18 +1275,6 @@ func (s *serviceClient) getSrvClient(timeout time.Duration) (proto.DaemonService return s.conn, nil } -// setSettingsEnabled enables or disables the settings menu based on the provided state -func (s *serviceClient) setSettingsEnabled(enabled bool) { - if s.mSettings != nil { - if enabled { - s.mSettings.Enable() - } else { - s.mSettings.Hide() - s.mSettings.SetTooltip("Settings are disabled by daemon") - } - } -} - // checkAndUpdateFeatures checks the current features and updates the UI accordingly func (s *serviceClient) checkAndUpdateFeatures() { features, err := s.getFeatures() @@ -1236,12 +1286,11 @@ func (s *serviceClient) checkAndUpdateFeatures() { s.updateIndicationLock.Lock() defer s.updateIndicationLock.Unlock() - // Update settings menu based on current features - settingsEnabled := features == nil || !features.DisableUpdateSettings - if s.settingsEnabled != settingsEnabled { - s.settingsEnabled = settingsEnabled - s.setSettingsEnabled(settingsEnabled) - } + // DisableUpdateSettings is enforced server-side by the daemon gates + // on SetConfig + Login: any attempt to mutate config from UI or + // CLI is rejected at that layer. The UI deliberately keeps the + // Settings menu visible so the user can still inspect current + // values — read-only by virtue of the daemon refusing edits. // Update profile menu based on current features if s.mProfile != nil { @@ -1252,14 +1301,23 @@ func (s *serviceClient) checkAndUpdateFeatures() { } } - // Update networks and exit node menus based on current features + // Update networks and exit node menus based on current features. + // `networksEnabled` is the bare feature flag (read elsewhere, e.g. at + // connection-status transitions). `networksMenuEnabled` is the + // transition-cached state actually applied to the menu items — + // it folds in the connection state so a Connected client with the + // kill switch off shows the menus active, and only flips on diff. s.networksEnabled = features == nil || !features.DisableNetworks - if s.networksEnabled && s.connected { - s.mNetworks.Enable() - s.mExitNode.Enable() - } else { - s.mNetworks.Disable() - s.mExitNode.Disable() + desiredNetworksMenu := s.networksEnabled && s.connected + if desiredNetworksMenu != s.networksMenuEnabled { + s.networksMenuEnabled = desiredNetworksMenu + if desiredNetworksMenu { + s.mNetworks.Enable() + s.mExitNode.Enable() + } else { + s.mNetworks.Disable() + s.mExitNode.Disable() + } } } @@ -1356,7 +1414,14 @@ func (s *serviceClient) getSrvConfig() { if s.showAdvancedSettings { s.iMngURL.SetText(s.managementURL) - s.iPreSharedKey.SetText(cfg.PreSharedKey) + // PSK is rendered with an empty Text and a hint via the + // placeholder so the eye toggle never reveals literal asterisks + // (the daemon returns the "**********" sentinel — writing that + // into a PasswordEntry would surface the literal sentinel when + // the user unmasks the field). The placeholder communicates the + // configured / MDM-managed state without exposing any value. + s.iPreSharedKey.SetText("") + s.iPreSharedKey.SetPlaceHolder(preSharedKeyPlaceholder(srvCfg)) s.iInterfaceName.SetText(cfg.WgIface) s.iInterfacePort.SetText(strconv.Itoa(cfg.WgPort)) if cfg.MTU != 0 { @@ -1366,7 +1431,15 @@ func (s *serviceClient) getSrvConfig() { s.iMTU.SetPlaceHolder(strconv.Itoa(int(iface.DefaultMTU))) } s.sRosenpassPermissive.SetChecked(cfg.RosenpassPermissive) - if !cfg.RosenpassEnabled { + // Re-baseline the enabled state on every refresh: when Rosenpass + // is on the checkbox is editable, when it's off the field is + // inert. Without an explicit Enable() here the control stays + // stuck disabled after a previous refresh (or an MDM unlock) had + // turned it off — applyMDMLocksToSettingsForm below adds the + // MDM lock on top of this baseline. + if cfg.RosenpassEnabled { + s.sRosenpassPermissive.Enable() + } else { s.sRosenpassPermissive.Disable() } s.sNetworkMonitor.SetChecked(*cfg.NetworkMonitor) @@ -1395,6 +1468,13 @@ func (s *serviceClient) getSrvConfig() { } } + // MDM locks must run before the mNotifications-nil early return: + // the Settings window is rendered by a separate UI process launched + // with --settings (see handleAdvancedSettingsClick), and that child + // process does NOT run onReady — so its mNotifications is nil and + // the early return below skipped the lock pass entirely. + s.applyMDMLocks(srvCfg.MDMManagedFields) + if s.mNotifications == nil { return } @@ -1579,6 +1659,129 @@ func (s *serviceClient) loadSettings() { if s.eventManager != nil { s.eventManager.SetNotificationsEnabled(s.mNotifications.Checked()) } + s.applyMDMLocks(cfg.MDMManagedFields) +} + +// applyMDMLocks disables and badges any tray submenu item or settings- +// form widget whose underlying field is enforced by the active MDM +// policy. Called from loadSettings (submenu refresh) and from +// getSrvConfig (settings-window refresh). Locked items keep their value +// already set by the surrounding refresh code — this routine only +// flips the enabled state and the title suffix, never the value. +func (s *serviceClient) applyMDMLocks(managed []string) { + set := make(map[string]bool, len(managed)) + for _, k := range managed { + set[k] = true + } + s.mdmManagedFields = set + if len(managed) > 0 { + log.Infof("MDM-managed UI fields: %v", managed) + } + + type submenuTarget struct { + item *systray.MenuItem + title string + key string + } + for _, t := range []submenuTarget{ + {s.mAllowSSH, "Allow SSH", mdm.KeyAllowServerSSH}, + {s.mAutoConnect, "Connect on Startup", mdm.KeyDisableAutoConnect}, + {s.mEnableRosenpass, "Enable Quantum-Resistance", mdm.KeyRosenpassEnabled}, + {s.mBlockInbound, "Block Inbound Connections", mdm.KeyBlockInbound}, + } { + if t.item == nil { + continue + } + if set[t.key] { + t.item.SetTitle(t.title + " (MDM)") + t.item.Disable() + } else { + t.item.SetTitle(t.title) + t.item.Enable() + } + } + + s.applyMDMLocksToSettingsForm(set) +} + +// preSharedKeyPlaceholder returns the hint string shown in the PSK +// Entry's placeholder slot. The placeholder is the only signal the +// user gets that a PSK is configured, because the entry's Text is +// forced to empty to keep the password reveal toggle from leaking +// the daemon-returned "**********" redaction sentinel. Returns "" if +// no PSK is present, "MDM-managed" if the key is enforced by MDM, +// and "configured" otherwise. +func preSharedKeyPlaceholder(cfg *proto.GetConfigResponse) string { + if cfg == nil || cfg.PreSharedKey == "" { + return "" + } + for _, k := range cfg.MDMManagedFields { + if k == mdm.KeyPreSharedKey { + return "MDM-managed" + } + } + return "configured" +} + +// applyMDMLocksToSettingsForm disables the per-field input widgets in +// the advanced Settings window when the corresponding MDM key is set. +// For plain-text entries (Management URL, Interface Port) the visible +// value is suffixed with " (MDM)" so the user sees the lock indicator +// inline; for the password entry the suffix is skipped (a password +// widget renders every char as a dot and the indicator would not be +// readable). The widgets are created lazily by showSettingsUI, so +// guard each ref against nil. +func (s *serviceClient) applyMDMLocksToSettingsForm(set map[string]bool) { + type entryTarget struct { + entry *widget.Entry + key string + inlineTag bool + } + for _, t := range []entryTarget{ + {s.iMngURL, mdm.KeyManagementURL, true}, + {s.iPreSharedKey, mdm.KeyPreSharedKey, false}, + {s.iInterfacePort, mdm.KeyWireguardPort, true}, + } { + if t.entry == nil { + continue + } + if set[t.key] { + if t.inlineTag && t.entry.Text != "" && !strings.HasSuffix(t.entry.Text, mdmFieldSuffix) { + t.entry.SetText(t.entry.Text + mdmFieldSuffix) + } + t.entry.Disable() + } else { + if t.inlineTag { + t.entry.SetText(strings.TrimSuffix(t.entry.Text, mdmFieldSuffix)) + } + t.entry.Enable() + } + } + type checkTarget struct { + check *widget.Check + key string + } + for _, t := range []checkTarget{ + {s.sDisableClientRoutes, mdm.KeyDisableClientRoutes}, + {s.sDisableServerRoutes, mdm.KeyDisableServerRoutes}, + } { + if t.check == nil { + continue + } + if set[t.key] { + t.check.Disable() + } else { + t.check.Enable() + } + } + if s.sRosenpassPermissive != nil && set[mdm.KeyRosenpassPermissive] { + // MDM lock layered on top of the Rosenpass-on/off baseline + // applied by getSrvConfig. No Enable() branch here: when the + // MDM key is removed, the next getSrvConfig refresh re-baselines + // the control on cfg.RosenpassEnabled and brings it back if + // Rosenpass is on. + s.sRosenpassPermissive.Disable() + } } // updateConfig updates the configuration parameters diff --git a/client/ui/profile.go b/client/ui/profile.go index 7ee89e631..d3db17855 100644 --- a/client/ui/profile.go +++ b/client/ui/profile.go @@ -666,16 +666,48 @@ func (p *profileMenu) clear(profiles []Profile) { } } -// setEnabled enables or disables the profile menu based on the provided state +// setEnabled greys out (Disable) the profile menu and every existing +// sub-item when the daemon reports the kill switch active, so the user +// sees the menu but cannot enter "Manage Profiles" or switch profile. +// Previously this used Hide() on the parent, but Fyne's systray on +// Windows does not propagate Hide() to a parent that already has +// children — the submenu kept popping up and accepting clicks. Disable +// is the reliable visual lock. func (p *profileMenu) setEnabled(enabled bool) { - if p.profileMenuItem != nil { - if enabled { - p.profileMenuItem.Enable() - p.profileMenuItem.SetTooltip("") - } else { - p.profileMenuItem.Hide() - p.profileMenuItem.SetTooltip("Profiles are disabled by daemon") + if p.profileMenuItem == nil { + return + } + p.mu.Lock() + defer p.mu.Unlock() + + if enabled { + p.profileMenuItem.Enable() + p.profileMenuItem.SetTooltip("") + } else { + p.profileMenuItem.Disable() + p.profileMenuItem.SetTooltip("Profiles are disabled by daemon") + } + + apply := func(item *systray.MenuItem) { + if item == nil { + return } + if enabled { + item.Enable() + } else { + item.Disable() + } + } + for _, sub := range p.profileSubItems { + if sub != nil { + apply(sub.MenuItem) + } + } + if p.manageProfilesSubItem != nil { + apply(p.manageProfilesSubItem.MenuItem) + } + if p.logoutSubItem != nil { + apply(p.logoutSubItem.MenuItem) } } diff --git a/docs/io.netbird.client.plist b/docs/io.netbird.client.plist new file mode 100644 index 000000000..f42b6b3d2 --- /dev/null +++ b/docs/io.netbird.client.plist @@ -0,0 +1,126 @@ + + + + + + + + managementURL + https://api.netbird.io:443 + + + + + + + allowServerSSH + + + + + + + + + + + + + + + diff --git a/docs/netbird-macos.mobileconfig b/docs/netbird-macos.mobileconfig new file mode 100644 index 000000000..53453db5c --- /dev/null +++ b/docs/netbird-macos.mobileconfig @@ -0,0 +1,159 @@ + + + + + + + PayloadType + Configuration + PayloadVersion + 1 + PayloadIdentifier + io.netbird.client.mdm + PayloadUUID + 11111111-1111-1111-1111-111111111111 + PayloadDisplayName + NetBird MDM Policy + PayloadDescription + Enforces NetBird client configuration. Values written here override any local user / CLI / on-disk setting and are re-applied at every daemon boot and on every 1-minute MDM reload tick. + PayloadOrganization + NetBird + PayloadScope + System + PayloadRemovalDisallowed + + + PayloadContent + + + + PayloadType + com.apple.ManagedClient.preferences + PayloadVersion + 1 + PayloadIdentifier + io.netbird.client.mdm.preferences + PayloadUUID + 22222222-2222-2222-2222-222222222222 + PayloadDisplayName + NetBird Managed Preferences + PayloadEnabled + + + PayloadContent + + io.netbird.client + + Forced + + + mcx_preference_settings + + + + managementURL + https://api.netbird.io:443 + + + + + + + allowServerSSH + + + + + + + + + + + + + + + + + + + + + diff --git a/docs/netbird-macos.sh b/docs/netbird-macos.sh new file mode 100644 index 000000000..a2f5ff5e8 --- /dev/null +++ b/docs/netbird-macos.sh @@ -0,0 +1,189 @@ +#!/bin/bash +# +# SYNOPSIS +# Push the NetBird MDM policy to a macOS device via JumpCloud Commands. +# +# DESCRIPTION +# This is the macOS counterpart of docs/netbird-policy.reg.ps1. +# It writes the values declared in the "POLICY VALUES" block below to +# the managed-preferences plist that the NetBird daemon's +# client/mdm/policy_darwin.go loader reads on every 1-minute MDM +# reload tick: +# +# /Library/Managed Preferences/io.netbird.client.plist +# +# Once the plist lands, the daemon picks up the new values without +# restart (the ticker calls Config.apply() → applyMDMPolicy() and +# restarts the engine on diff). +# +# DEPLOYMENT (JumpCloud) +# 1. Admin Console -> Device Management -> Commands -> +. +# 2. Type: Mac, Shell, Run as: root. +# 3. Paste this file verbatim into the command body. +# 4. Bind to the target system group, save, run. +# +# IMPORTANT: PERSISTENCE +# macOS wipes /Library/Managed Preferences/ at every boot on devices +# that are NOT MDM-enrolled. For a persistent fleet rollout, push the +# companion docs/netbird-macos.mobileconfig as a Custom Configuration +# Profile (Admin Console -> MDM -> Mac Custom Configuration Profiles) +# instead of this script. Use this script when: +# - the device is MDM-enrolled (file survives reboots), or +# - you need a one-shot test push before reboot, or +# - you orchestrate via JumpCloud Commands and want the same +# variable-driven workflow as the Windows .ps1 sibling. +# +# IDEMPOTENCY: re-running with the same values is a no-op from the +# daemon's point of view (the 1-minute reload ticker diff returns empty). +# +# SECURITY: PreSharedKey is redacted in this script's log output. + +set -euo pipefail + +### POLICY VALUES — EDIT THIS BLOCK ########################################### +# +# Set each variable below to the desired value. Set to empty string "" +# or to NULL to omit a key entirely (the daemon treats an absent key +# as "no enforcement" for that field). Booleans use "true"/"false" +# (lowercase). Integers as decimal. +# +# Reference for key names + accepted values: +# client/mdm/policy.go (Key* constants) +# docs/netbird-macos.mobileconfig (sample profile) +# docs/netbird.admx + .adml (Windows ADMX schema) +# +NULL='__UNSET__' +managementURL='https://api.netbird.io:443' +preSharedKey="$NULL" # secret; redacted in log +allowServerSSH='true' +blockInbound="$NULL" +disableAutoConnect="$NULL" +disableClientRoutes="$NULL" +disableServerRoutes="$NULL" +disableMetricsCollection="$NULL" +disableUpdateSettings="$NULL" +disableProfiles="$NULL" +disableNetworks="$NULL" +rosenpassEnabled="$NULL" +rosenpassPermissive="$NULL" +wireguardPort='51820' +splitTunnelMode="$NULL" # "allow" or "disallow", Android-only at the daemon level +splitTunnelApps="$NULL" # comma-separated app IDs, Android-only +############################################################################## + +readonly PLIST_DIR='/Library/Managed Preferences' +readonly PLIST_PATH="$PLIST_DIR/io.netbird.client.plist" +readonly LOG_TAG='netbird-mdm' + +# log sends a message to the system logger using the configured tag and echoes the message to stdout prefixed by an ISO 8601 UTC timestamp and the tag. +log() { + /usr/bin/logger -t "$LOG_TAG" "$*" + printf '%s [%s] %s\n' "$(date -u '+%Y-%m-%dT%H:%M:%SZ')" "$LOG_TAG" "$*" +} + +# is_set returns success if the provided value is non-empty and is not equal to the special NULL marker. +is_set() { + local value="$1" + [[ -n "$value" && "$value" != "$NULL" ]] +} + +# start_plist creates the temporary plist file at "$PLIST_PATH.tmp" containing the XML plist header and opening `` for the policy plist. +start_plist() { + cat > "$PLIST_PATH.tmp" <<'EOF' + + + + +EOF +} + +# end_plist appends the closing `` and `` tags to the temporary plist file. +end_plist() { + cat >> "$PLIST_PATH.tmp" <<'EOF' + + +EOF +} + +# emit_string appends a plist ``/`` entry for the given key and value to "$PLIST_PATH.tmp", XML-escaping `&`, `<`, and `>`, and logs the assignment (masking the logged value as `********** (secret)` when the key is `preSharedKey`). +emit_string() { + local key="$1" value="$2" log_value="$2" + # Escape XML entities in the value + local escaped + escaped="$(printf '%s' "$value" | sed -e 's/&/\&/g' -e 's//\>/g')" + printf ' %s\n %s\n' "$key" "$escaped" >> "$PLIST_PATH.tmp" + if [[ "$key" == "preSharedKey" ]]; then + log_value='********** (secret)' + fi + log "set $key = $log_value" +} + +# emit_bool writes a boolean plist entry for a given key into the temporary plist file. +# emit_bool writes a boolean plist entry for a key when the provided value matches an accepted boolean token; logs an error and skips the key on invalid input. +emit_bool() { + local key="$1" value="$2" + local xml_bool + case "$value" in + true|True|TRUE|1|yes) xml_bool='' ; value='true' ;; + false|False|FALSE|0|no) xml_bool='' ; value='false' ;; + *) log "invalid boolean for $key: $value (must be true/false); skipping"; return ;; + esac + printf ' %s\n %s\n' "$key" "$xml_bool" >> "$PLIST_PATH.tmp" + log "set $key = $value" +} + +# emit_int validates that VALUE contains only decimal digits and, if valid, appends an `` plist entry for KEY to the temporary plist (`$PLIST_PATH.tmp`) and logs the assignment; on invalid input it logs a skip and does not emit the key. +emit_int() { + local key="$1" value="$2" + if ! [[ "$value" =~ ^[0-9]+$ ]]; then + log "invalid integer for $key: $value (must be decimal); skipping" + return + fi + printf ' %s\n %s\n' "$key" "$value" >> "$PLIST_PATH.tmp" + log "set $key = $value" +} + +# main builds the NetBird MDM plist from configured policy variables, validates and installs it to /Library/Managed Preferences/io.netbird.client.plist (root:wheel, 644) and optionally triggers the NetBird daemon to reload. +main() { + log "applying NetBird MDM policy to $PLIST_PATH" + /bin/mkdir -p "$PLIST_DIR" + start_plist + + is_set "$managementURL" && emit_string managementURL "$managementURL" + is_set "$preSharedKey" && emit_string preSharedKey "$preSharedKey" + is_set "$allowServerSSH" && emit_bool allowServerSSH "$allowServerSSH" + is_set "$blockInbound" && emit_bool blockInbound "$blockInbound" + is_set "$disableAutoConnect" && emit_bool disableAutoConnect "$disableAutoConnect" + is_set "$disableClientRoutes" && emit_bool disableClientRoutes "$disableClientRoutes" + is_set "$disableServerRoutes" && emit_bool disableServerRoutes "$disableServerRoutes" + is_set "$disableMetricsCollection" && emit_bool disableMetricsCollection "$disableMetricsCollection" + is_set "$disableUpdateSettings" && emit_bool disableUpdateSettings "$disableUpdateSettings" + is_set "$disableProfiles" && emit_bool disableProfiles "$disableProfiles" + is_set "$disableNetworks" && emit_bool disableNetworks "$disableNetworks" + is_set "$rosenpassEnabled" && emit_bool rosenpassEnabled "$rosenpassEnabled" + is_set "$rosenpassPermissive" && emit_bool rosenpassPermissive "$rosenpassPermissive" + is_set "$wireguardPort" && emit_int wireguardPort "$wireguardPort" + is_set "$splitTunnelMode" && emit_string splitTunnelMode "$splitTunnelMode" + is_set "$splitTunnelApps" && emit_string splitTunnelApps "$splitTunnelApps" + + end_plist + + if ! /usr/bin/plutil -lint "$PLIST_PATH.tmp" >/dev/null 2>&1; then + log "ERROR: generated plist failed plutil lint; not installing" + /usr/bin/plutil -lint "$PLIST_PATH.tmp" >&2 || true + /bin/rm -f "$PLIST_PATH.tmp" + exit 1 + fi + + /bin/mv -f "$PLIST_PATH.tmp" "$PLIST_PATH" + /usr/sbin/chown root:wheel "$PLIST_PATH" + /bin/chmod 644 "$PLIST_PATH" + + log "policy installed; NetBird daemon will pick it up within the next 1-minute reload tick" + + # Optional: kick the daemon for an immediate apply. Safe — does + # nothing on a host where NetBird is not yet installed. + /bin/launchctl kickstart -k system/io.netbird.client 2>/dev/null || true +} + +main "$@" diff --git a/docs/netbird-policy.reg b/docs/netbird-policy.reg new file mode 100644 index 000000000..ba4402e50 Binary files /dev/null and b/docs/netbird-policy.reg differ diff --git a/docs/netbird-policy.reg.ps1 b/docs/netbird-policy.reg.ps1 new file mode 100644 index 000000000..011d706dc --- /dev/null +++ b/docs/netbird-policy.reg.ps1 @@ -0,0 +1,94 @@ +#requires -Version 5.1 +<# +.SYNOPSIS + Push the NetBird MDM policy to a Windows device via JumpCloud Commands + by importing a sidecar netbird-policy.reg file. + +.DESCRIPTION + Windows counterpart of docs/netbird-macos.sh. Outcome: + HKLM\Software\Policies\NetBird populated from the attached + netbird-policy.reg file, daemon picks up the change via the + 1-minute MDM reload ticker. + + Deployment: + 1. Admin Console -> Device Management -> Commands -> +. + 2. Type: Windows PowerShell. Run as: SYSTEM. + 3. Paste this file verbatim into the command body. + 4. In the same command, attach `netbird-policy.reg` as a file. + JumpCloud copies attached files into the command's working + directory before invoking the script, so `$PSScriptRoot` or + Get-Location resolves to where the .reg lives. + 5. Bind to the target system group, save, run. + + Producing the .reg file: + On a reference machine, after configuring the policy values either + via gpedit (GPO) or manual `reg add`, export with: + + reg export "HKLM\Software\Policies\NetBird" netbird-policy.reg /y + + Then attach the resulting file to the JumpCloud command. + + Semantics: + - The script nukes the existing HKLM\Software\Policies\NetBird key + before importing the .reg, so the .reg is the SINGLE SOURCE OF + TRUTH. Any value present in the registry but absent from the .reg + is removed. This is what an MDM admin almost always wants. + - Setting the .reg to an empty (header-only) file effectively unsets + the policy. + + Idempotency: re-running the script with the same .reg is a no-op from + the daemon's perspective (values identical → 1-min ticker sees no + diff → engine not restarted). + + Exit codes: 0 = success; 1 = .reg missing or reg.exe error. +#> + +$ErrorActionPreference = "Stop" + +$RegFileName = "netbird-policy.reg" +$RegKey = "HKLM\Software\Policies\NetBird" + +# Resolve the attached .reg file: JumpCloud copies command attachments +# into C:\Windows\Temp\ before invoking the script. Cwd / $PSScriptRoot +# fallbacks cover the local-dev case where you might dot-source this +# from elsewhere. +$candidates = @( + (Join-Path "$env:WINDIR\Temp" $RegFileName) + (Join-Path (Get-Location) $RegFileName) + (Join-Path $PSScriptRoot $RegFileName) +) | Where-Object { Test-Path $_ } + +if ($candidates.Count -eq 0) { + Write-Error "[netbird-mdm] $RegFileName not found in working directory or `$PSScriptRoot. Attach the file to the JumpCloud command." + exit 1 +} +$regFile = $candidates[0] +Write-Host "[netbird-mdm] using $regFile" + +# Wipe the existing policy key so the .reg is authoritative. +$existed = Test-Path "Registry::HKEY_LOCAL_MACHINE\Software\Policies\NetBird" +if ($existed) { + & reg.exe delete $RegKey /f | Out-Null + if ($LASTEXITCODE -ne 0) { + Write-Error "[netbird-mdm] failed to clear $RegKey before import (exit $LASTEXITCODE)" + exit 1 + } + Write-Host "[netbird-mdm] cleared previous values under $RegKey" +} + +# Import. reg.exe writes both data and (re-)creates the key if needed. +& reg.exe import $regFile +if ($LASTEXITCODE -ne 0) { + Write-Error "[netbird-mdm] reg import failed (exit $LASTEXITCODE)" + exit 1 +} + +# Audit dump so the JumpCloud per-execution log captures the applied state. +Write-Host "[netbird-mdm] final policy state under $RegKey :" +& reg.exe query $RegKey /s + +# Daemon's 1-min reload ticker picks up the change automatically. +# Uncomment to force immediate convergence (skips the ticker wait): +# Restart-Service netbird -Force -ErrorAction SilentlyContinue + +exit 0 diff --git a/docs/netbird.adml b/docs/netbird.adml new file mode 100644 index 000000000..d49b05022 --- /dev/null +++ b/docs/netbird.adml @@ -0,0 +1,95 @@ + + + NetBird Client Policies + Group Policy template for NetBird client MDM-managed settings. Values are written under HKLM\Software\Policies\NetBird and consumed by the netbird daemon at startup and every 1-minute reload tick. + + + + + NetBird + NetBird Client 0.40+ + + + Management URL + URL of the NetBird management server. Format: https://host[:port]. When set, users cannot override this value via UI or CLI. + + Pre-shared key + WireGuard pre-shared key used as an additional symmetric secret on every peer-to-peer tunnel. Secret value. + + + Disable auto-connect + When enabled, the NetBird tunnel does not auto-connect at daemon startup. Equivalent to --disable-auto-connect. + + Disable client routes + When enabled, this client will not consume routes advertised by routing peers. Equivalent to --disable-client-routes. + + Disable server routes + When enabled, this client will not act as a routing peer for other clients. Equivalent to --disable-server-routes. + + Block inbound + When enabled, the client firewall blocks all inbound peer traffic on the WireGuard interface. Equivalent to --block-inbound. + + Allow server SSH + When enabled, this client accepts incoming SSH sessions via NetBird SSH. Equivalent to --allow-server-ssh. + + Enable Rosenpass + Enables Rosenpass post-quantum key exchange on WireGuard tunnels. Both peers must support it. + + Rosenpass permissive + When enabled, the client falls back to plain WireGuard if a peer does not support Rosenpass; otherwise it refuses the connection. + + WireGuard port + UDP port used by the local WireGuard interface. Allowed range: 1-65535. + + Split tunnel + Restrict the NetBird tunnel to or from a chosen list of application package names. Choose either the allow mode (only the listed apps route through NetBird) or the disallow mode (the listed apps bypass NetBird; everything else routes through). The mode is mutually exclusive — only one can be active at a time. Android-only at the daemon level; Windows/macOS/iOS clients ignore this policy. + Allow only listed apps (everything else bypasses) + Disallow listed apps (everything else routes) + + + Disable update settings + When enabled, blocks every configuration change from the client UI and from the CLI (netbird up / login / setconfig). The Settings view stays viewable but read-only. Equivalent to --disable-update-settings. + + Disable profiles + When enabled, the client UI/CLI cannot list, create, switch or remove NetBird connection profiles. Equivalent to --disable-profiles. + + Disable networks + When enabled, the client UI/CLI cannot list, select or deselect NetBird networks (the corresponding daemon RPCs return Unavailable). Equivalent to --disable-networks. + + Disable metrics collection + When enabled, the client does not collect or report local usage metrics. + + + + + + + + https://api.netbird.io:443 + + + + + + + + + + + WireGuard UDP port: + + + + Mode: + + + + + + + + diff --git a/docs/netbird.admx b/docs/netbird.admx new file mode 100644 index 000000000..2f7645d63 --- /dev/null +++ b/docs/netbird.admx @@ -0,0 +1,223 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + allow + disallow + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/formatter/hook/hook.go b/formatter/hook/hook.go index f0ee509f8..69758566d 100644 --- a/formatter/hook/hook.go +++ b/formatter/hook/hook.go @@ -99,6 +99,9 @@ func addFields(entry *logrus.Entry) { if ctxAccountID, ok := entry.Context.Value(context.AccountIDKey).(string); ok { entry.Data[context.AccountIDKey] = ctxAccountID } + if ctxUserAgent, ok := entry.Context.Value(context.UserAgentKey).(string); ok { + entry.Data[context.UserAgentKey] = ctxUserAgent + } if ctxInitiatorID, ok := entry.Context.Value(context.UserIDKey).(string); ok { entry.Data[context.UserIDKey] = ctxInitiatorID } diff --git a/go.mod b/go.mod index d5fc89f58..2858d2044 100644 --- a/go.mod +++ b/go.mod @@ -2,6 +2,8 @@ module github.com/netbirdio/netbird go 1.25.5 +toolchain go1.25.11 + require ( cunicu.li/go-rosenpass v0.5.42 github.com/cenkalti/backoff/v4 v4.3.0 @@ -55,6 +57,7 @@ require ( github.com/gliderlabs/ssh v0.3.8 github.com/go-jose/go-jose/v4 v4.1.4 github.com/gobwas/ws v1.4.0 + github.com/goccy/go-yaml v1.18.0 github.com/godbus/dbus/v5 v5.1.0 github.com/golang-jwt/jwt/v5 v5.3.1 github.com/golang/mock v1.6.0 @@ -132,6 +135,7 @@ require ( gorm.io/driver/sqlite v1.5.7 gorm.io/gorm v1.25.12 gvisor.dev/gvisor v0.0.0-20260219192049-0f2374377e89 + howett.net/plist v1.0.1 ) require ( @@ -214,10 +218,9 @@ require ( github.com/go-webauthn/x v0.2.3 // indirect github.com/gobwas/httphead v0.1.0 // indirect github.com/gobwas/pool v0.2.1 // indirect - github.com/goccy/go-yaml v1.18.0 // indirect github.com/gogo/protobuf v1.3.2 // indirect github.com/golang-jwt/jwt/v4 v4.5.2 // indirect - github.com/google/btree v1.1.2 // indirect + github.com/google/btree v1.1.3 // indirect github.com/google/go-querystring v1.1.0 // indirect github.com/google/go-tpm v0.9.8 // indirect github.com/google/s2a-go v0.1.9 // indirect diff --git a/go.sum b/go.sum index 5a962c5e3..1768ee069 100644 --- a/go.sum +++ b/go.sum @@ -281,8 +281,8 @@ github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiu github.com/golang/protobuf v1.5.3/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY= github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek= github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps= -github.com/google/btree v1.1.2 h1:xf4v41cLI2Z6FxbKm+8Bu+m8ifhj15JuZ9sa0jZCMUU= -github.com/google/btree v1.1.2/go.mod h1:qOPhT0dTNdNzV6Z/lhRX0YXUafgPLFUh+gZMl761Gm4= +github.com/google/btree v1.1.3 h1:CVpQJjYgC4VbzxeGVHfvZrv1ctoYCAI8vbl07Fcxlyg= +github.com/google/btree v1.1.3/go.mod h1:qOPhT0dTNdNzV6Z/lhRX0YXUafgPLFUh+gZMl761Gm4= github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= @@ -386,6 +386,7 @@ github.com/jcmturner/rpc/v2 v2.0.3 h1:7FXXj8Ti1IaVFpSAziCZWNzbNuZmnvw/i6CqLNdWfZ github.com/jcmturner/rpc/v2 v2.0.3/go.mod h1:VUJYCIDm3PVOEHw8sgt091/20OJjskO/YJki3ELg/Hc= github.com/jeandeaual/go-locale v0.0.0-20250612000132-0ef82f21eade h1:FmusiCI1wHw+XQbvL9M+1r/C3SPqKrmBaIOYwVfQoDE= github.com/jeandeaual/go-locale v0.0.0-20250612000132-0ef82f21eade/go.mod h1:ZDXo8KHryOWSIqnsb/CiDq7hQUYryCgdVnxbj8tDG7o= +github.com/jessevdk/go-flags v1.4.0/go.mod h1:4FA24M0QyGHXBuZZK/XkWh8h0e1EYbRYJSGM75WSRxI= github.com/jinzhu/inflection v1.0.0 h1:K317FqzuhWc8YvSVlFMCCUb36O/S9MCKRDI7QkRKD/E= github.com/jinzhu/inflection v1.0.0/go.mod h1:h+uFLlag+Qp1Va5pdKtLDYj+kHp5pxUVkryuEj+Srlc= github.com/jinzhu/now v1.1.5 h1:/o9tlHleP7gOFmsnYNz3RGnqzefHA47wQpKrrdTIwXQ= @@ -953,6 +954,7 @@ gopkg.in/square/go-jose.v2 v2.6.0 h1:NGk74WTnPKBNUhNzQX7PYcTLUjoq7mzKk2OKbvwk2iI gopkg.in/square/go-jose.v2 v2.6.0/go.mod h1:M9dMgbHiYLoDGQrXy7OpJDJWiKiU//h+vD76mk0e1AI= gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ= gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw= +gopkg.in/yaml.v1 v1.0.0-20140924161607-9f9df34309c0/go.mod h1:WDnlLJ4WF5VGsH/HVa3CI79GS0ol3YnhVnKP89i0kNg= gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= @@ -975,5 +977,7 @@ gotest.tools/v3 v3.5.1 h1:EENdUnS3pdur5nybKYIh2Vfgc8IUNBjxDPSjtiJcOzU= gotest.tools/v3 v3.5.1/go.mod h1:isy3WKz7GK6uNw/sbHzfKBLvlvXwUyV06n6brMxxopU= gvisor.dev/gvisor v0.0.0-20260219192049-0f2374377e89 h1:mGJaeA61P8dEHTqdvAgc70ZIV3QoUoJcXCRyyjO26OA= gvisor.dev/gvisor v0.0.0-20260219192049-0f2374377e89/go.mod h1:QkHjoMIBaYtpVufgwv3keYAbln78mBoCuShZrPrer1Q= +howett.net/plist v1.0.1 h1:37GdZ8tP09Q35o9ych3ehygcsL+HqKSwzctveSlarvM= +howett.net/plist v1.0.1/go.mod h1:lqaXoTrLY4hg8tnEzNru53gicrbv7rrk+2xJA/7hw9g= rsc.io/qr v0.2.0 h1:6vBLea5/NRMVTz8V66gipeLycZMl/+UlFmk8DvqQ6WY= rsc.io/qr v0.2.0/go.mod h1:IF+uZjkb9fqyeF/4tlBoynqmQxUoPfWEKh921coOuXs= diff --git a/infrastructure_files/getting-started.sh b/infrastructure_files/getting-started.sh index 910cea095..770cecc44 100755 --- a/infrastructure_files/getting-started.sh +++ b/infrastructure_files/getting-started.sh @@ -19,6 +19,46 @@ readonly MSG_SEPARATOR="==========================================" # Utility Functions ############################################ +check_docker_sock_perms() { + local sock="${DOCKER_HOST:-unix:///var/run/docker.sock}" + sock="${sock#unix://}" + + if [[ ! -S "$sock" ]]; then + return 0 + fi + + if [[ ! -r "$sock" ]] || [[ ! -w "$sock" ]]; then + local group + if [[ "${OSTYPE}" == "darwin"* ]]; then + group="$(stat -f '%Sg' "$sock")" + else + group="$(stat -c '%G' "$sock")" + fi + + echo "Cannot access Docker socket: $sock" > /dev/stderr + echo "" > /dev/stderr + echo "Socket permissions:" > /dev/stderr + ls -l "$sock" > /dev/stderr + echo "" > /dev/stderr + + if [[ "$group" == "docker" ]]; then + echo "Your user may need to be added to the '$group' group:" > /dev/stderr + echo " sudo usermod -aG $group \"$USER\"" > /dev/stderr + echo "Then log out and back in, or run this for the current shell:" > /dev/stderr + echo " newgrp $group" > /dev/stderr + echo "Note: newgrp is temporary; usermod is the permanent group change." > /dev/stderr + else + echo "The Docker socket is owned by the '$group' group, which is not the standard 'docker' group." > /dev/stderr + echo "For safety, this script will not suggest adding your user to '$group'." > /dev/stderr + echo "Instead, either run this script with appropriate privileges (for example, via sudo) or follow Docker's post-install steps to configure access via the 'docker' group:" > /dev/stderr + echo " https://docs.docker.com/engine/install/linux-postinstall/" > /dev/stderr + fi + + exit 1 + fi + return 0 +} + check_docker_compose() { if command -v docker-compose &> /dev/null then @@ -581,12 +621,15 @@ start_services_and_show_instructions() { } init_environment() { + # Check if docker compose is installed using check_docker_compose function + DOCKER_COMPOSE_COMMAND=$(check_docker_compose) + check_docker_sock_perms + initialize_default_values configure_domain configure_reverse_proxy check_jq - DOCKER_COMPOSE_COMMAND=$(check_docker_compose) check_existing_installation generate_configuration_files diff --git a/management/internals/modules/reverseproxy/service/manager/l4_port_test.go b/management/internals/modules/reverseproxy/service/manager/l4_port_test.go index 3485d51fe..c218291ef 100644 --- a/management/internals/modules/reverseproxy/service/manager/l4_port_test.go +++ b/management/internals/modules/reverseproxy/service/manager/l4_port_test.go @@ -488,6 +488,195 @@ func TestUpdate_AllowsPortChange(t *testing.T) { assert.Equal(t, uint16(54321), updated.ListenPort, "explicit port change should be applied") } +func TestUpdate_PreservesPortWhenCustomPortsNotSupported(t *testing.T) { + mgr, testStore, _ := setupL4Test(t, boolPtr(false)) + ctx := context.Background() + + existing := seedService(t, testStore, "tcp-svc", "tcp", testCluster, testCluster, 12345) + + updated := &rpservice.Service{ + ID: existing.ID, + AccountID: testAccountID, + Name: "tcp-svc-renamed", + Mode: "tcp", + Domain: testCluster, + ProxyCluster: testCluster, + ListenPort: 0, + Enabled: true, + Targets: []*rpservice.Target{ + {AccountID: testAccountID, TargetId: testPeerID, TargetType: rpservice.TargetTypePeer, Protocol: "tcp", Port: 9090, Enabled: true}, + }, + } + + _, err := mgr.persistServiceUpdate(ctx, testAccountID, updated) + require.NoError(t, err, "update must not be rejected by the custom-port capability check") + assert.Equal(t, uint16(12345), updated.ListenPort, "existing listen port should be preserved on unsupported cluster") +} + +func TestUpdate_PreservesPortWhenCustomPortsUnknown(t *testing.T) { + mgr, testStore, _ := setupL4Test(t, nil) + ctx := context.Background() + + existing := seedService(t, testStore, "tcp-svc", "tcp", testCluster, testCluster, 12345) + + updated := &rpservice.Service{ + ID: existing.ID, + AccountID: testAccountID, + Name: "tcp-svc-renamed", + Mode: "tcp", + Domain: testCluster, + ProxyCluster: testCluster, + ListenPort: 0, + Enabled: true, + Targets: []*rpservice.Target{ + {AccountID: testAccountID, TargetId: testPeerID, TargetType: rpservice.TargetTypePeer, Protocol: "tcp", Port: 9090, Enabled: true}, + }, + } + + _, err := mgr.persistServiceUpdate(ctx, testAccountID, updated) + require.NoError(t, err, "update must not be rejected when cluster capability is unknown") + assert.Equal(t, uint16(12345), updated.ListenPort, "existing listen port should be preserved when capability is unknown") +} + +func TestUpdate_RejectsPortChangeWhenCustomPortsNotSupported(t *testing.T) { + mgr, testStore, _ := setupL4Test(t, boolPtr(false)) + ctx := context.Background() + + existing := seedService(t, testStore, "tcp-svc", "tcp", testCluster, testCluster, 12345) + + updated := &rpservice.Service{ + ID: existing.ID, + AccountID: testAccountID, + Name: "tcp-svc", + Mode: "tcp", + Domain: testCluster, + ProxyCluster: testCluster, + ListenPort: 54321, + Enabled: true, + Targets: []*rpservice.Target{ + {AccountID: testAccountID, TargetId: testPeerID, TargetType: rpservice.TargetTypePeer, Protocol: "tcp", Port: 9090, Enabled: true}, + }, + } + + _, err := mgr.persistServiceUpdate(ctx, testAccountID, updated) + require.Error(t, err, "explicit port change on update must be rejected on unsupported clusters") + assert.Contains(t, err.Error(), "custom ports not supported on target cluster") +} + +func TestUpdate_TLSPortChangeAllowedWhenNotSupported(t *testing.T) { + mgr, testStore, _ := setupL4Test(t, boolPtr(false)) + ctx := context.Background() + + existing := seedService(t, testStore, "tls-svc", "tls", "app.example.com", testCluster, 443) + + updated := &rpservice.Service{ + ID: existing.ID, + AccountID: testAccountID, + Name: "tls-svc", + Mode: "tls", + Domain: "app.example.com", + ProxyCluster: testCluster, + ListenPort: 9999, + Enabled: true, + Targets: []*rpservice.Target{ + {AccountID: testAccountID, TargetId: testPeerID, TargetType: rpservice.TargetTypePeer, Protocol: "tcp", Port: 8443, Enabled: true}, + }, + } + + _, err := mgr.persistServiceUpdate(ctx, testAccountID, updated) + require.NoError(t, err, "TLS port change uses SNI routing and is exempt from the custom-port check") + assert.Equal(t, uint16(9999), updated.ListenPort, "TLS port change should be applied") +} + +func TestValidateL4PortDiffOnClusterDiff(t *testing.T) { + tests := []struct { + name string + mode string + customPorts *bool + newPort uint16 + oldPort uint16 + wantErr bool + }{ + {"tcp port change unsupported", "tcp", boolPtr(false), 54321, 12345, true}, + {"tcp port change unknown capability", "tcp", nil, 54321, 12345, true}, + {"udp port change unsupported", "udp", boolPtr(false), 54321, 12345, true}, + {"tcp first port assignment unsupported", "tcp", boolPtr(false), 54321, 0, true}, + {"tcp port change supported", "tcp", boolPtr(true), 54321, 12345, false}, + {"tcp port unchanged unsupported", "tcp", boolPtr(false), 12345, 12345, false}, + {"tcp zero port unsupported", "tcp", boolPtr(false), 0, 12345, false}, + {"tls port change unsupported", "tls", boolPtr(false), 9999, 443, false}, + {"http mode ignored", "http", boolPtr(false), 54321, 12345, false}, + {"empty mode ignored", "", boolPtr(false), 54321, 12345, false}, + } + + for _, tc := range tests { + t.Run(tc.name, func(t *testing.T) { + newSvc := &rpservice.Service{Mode: tc.mode, ListenPort: tc.newPort, ProxyCluster: testCluster} + oldSvc := &rpservice.Service{Mode: tc.mode, ListenPort: tc.oldPort, ProxyCluster: testCluster} + + err := validateL4PortDiffOnClusterDiff(tc.customPorts, newSvc, oldSvc) + if tc.wantErr { + assert.Error(t, err, "port diff should be rejected for %s", tc.name) + } else { + assert.NoError(t, err, "port diff should be allowed for %s", tc.name) + } + }) + } +} + +func TestUpdate_PortConflictRejected(t *testing.T) { + mgr, testStore, _ := setupL4Test(t, boolPtr(true)) + ctx := context.Background() + + seedService(t, testStore, "tcp-a", "tcp", "tcp-a."+testCluster, testCluster, 5432) + svcB := seedService(t, testStore, "tcp-b", "tcp", "tcp-b."+testCluster, testCluster, 6543) + + updated := &rpservice.Service{ + ID: svcB.ID, + AccountID: testAccountID, + Name: "tcp-b", + Mode: "tcp", + Domain: "tcp-b." + testCluster, + ProxyCluster: testCluster, + ListenPort: 5432, + Enabled: true, + Targets: []*rpservice.Target{ + {AccountID: testAccountID, TargetId: testPeerID, TargetType: rpservice.TargetTypePeer, Protocol: "tcp", Port: 9090, Enabled: true}, + }, + } + + _, err := mgr.persistServiceUpdate(ctx, testAccountID, updated) + require.Error(t, err, "updating to a port held by another service should be rejected") + assert.Contains(t, err.Error(), "already in use") +} + +func TestUpdate_AutoAssignsWhenNoPort(t *testing.T) { + mgr, testStore, _ := setupL4Test(t, boolPtr(false)) + ctx := context.Background() + + existing := seedService(t, testStore, "tcp-svc", "tcp", testCluster, testCluster, 0) + + updated := &rpservice.Service{ + ID: existing.ID, + AccountID: testAccountID, + Name: "tcp-svc", + Mode: "tcp", + Domain: testCluster, + ProxyCluster: testCluster, + ListenPort: 0, + Enabled: true, + Targets: []*rpservice.Target{ + {AccountID: testAccountID, TargetId: testPeerID, TargetType: rpservice.TargetTypePeer, Protocol: "tcp", Port: 9090, Enabled: true}, + }, + } + + _, err := mgr.persistServiceUpdate(ctx, testAccountID, updated) + require.NoError(t, err) + assert.True(t, updated.ListenPort >= autoAssignPortMin && updated.ListenPort <= autoAssignPortMax, + "auto-assigned port %d should be in range [%d, %d]", updated.ListenPort, autoAssignPortMin, autoAssignPortMax) + assert.True(t, updated.PortAutoAssigned, "PortAutoAssigned should be set when update triggers auto-assignment") +} + func TestCreateServiceFromPeer_TCP(t *testing.T) { mgr, _, _ := setupL4Test(t, boolPtr(false)) ctx := context.Background() diff --git a/management/internals/modules/reverseproxy/service/manager/manager.go b/management/internals/modules/reverseproxy/service/manager/manager.go index c8ab4f955..e6b006759 100644 --- a/management/internals/modules/reverseproxy/service/manager/manager.go +++ b/management/internals/modules/reverseproxy/service/manager/manager.go @@ -338,7 +338,7 @@ func (m *Manager) persistNewService(ctx context.Context, accountID string, svc * } } - if err := m.ensureL4Port(ctx, transaction, svc, customPorts); err != nil { + if err := m.ensureL4Port(ctx, transaction, svc, customPorts, false); err != nil { return err } @@ -367,11 +367,11 @@ func (m *Manager) clusterCustomPorts(ctx context.Context, svc *service.Service) // ensureL4Port auto-assigns a listen port when needed and validates cluster support. // customPorts must be pre-computed via clusterCustomPorts before entering a transaction. -func (m *Manager) ensureL4Port(ctx context.Context, tx store.Store, svc *service.Service, customPorts *bool) error { +func (m *Manager) ensureL4Port(ctx context.Context, tx store.Store, svc *service.Service, customPorts *bool, serviceUpdate bool) error { if !service.IsL4Protocol(svc.Mode) { return nil } - if service.IsPortBasedProtocol(svc.Mode) && svc.ListenPort > 0 && (customPorts == nil || !*customPorts) { + if service.IsPortBasedProtocol(svc.Mode) && svc.ListenPort > 0 && !serviceUpdate && (customPorts == nil || !*customPorts) { if svc.Source != service.SourceEphemeral { return status.Errorf(status.InvalidArgument, "custom ports not supported on cluster %s", svc.ProxyCluster) } @@ -465,7 +465,7 @@ func (m *Manager) persistNewEphemeralService(ctx context.Context, accountID, pee return err } - if err := m.ensureL4Port(ctx, transaction, svc, customPorts); err != nil { + if err := m.ensureL4Port(ctx, transaction, svc, customPorts, false); err != nil { return err } @@ -651,12 +651,22 @@ func (m *Manager) executeServiceUpdate(ctx context.Context, transaction store.St m.preserveListenPort(service, existingService) updateInfo.serviceEnabledChanged = existingService.Enabled != service.Enabled - if err := m.ensureL4Port(ctx, transaction, service, customPorts); err != nil { + // if the service is being updated, and we decide in the future to allow mode update, + // we should reconsider the currently assigned port if not 0 for clusters that don't support custom ports + if err := validateL4PortDiffOnClusterDiff(customPorts, service, existingService); err != nil { return err } + + if err := m.ensureL4Port(ctx, transaction, service, customPorts, true); err != nil { + return err + } + + // we can try carrying the previous service port into a new cluster, if this becomes a problem for multiple users, + // we should reconsider adding another check if err := m.checkPortConflict(ctx, transaction, service); err != nil { return err } + if err := transaction.UpdateService(ctx, service); err != nil { return fmt.Errorf("update service: %w", err) } @@ -664,6 +674,21 @@ func (m *Manager) executeServiceUpdate(ctx context.Context, transaction store.St return nil } +// validateL4PortDiffOnClusterDiff checks if custom L4 ports are configured and validates port changes across clusters. +// It ensures no port changes if custom ports are unsupported for a given cluster and protocol mode. +// Returns an error if validation fails, otherwise returns nil. +func validateL4PortDiffOnClusterDiff(customPorts *bool, newSVC, oldSVC *service.Service) error { + if !service.IsPortBasedProtocol(newSVC.Mode) || (customPorts != nil && *customPorts) { + return nil + } + + if newSVC.ListenPort != 0 && newSVC.ListenPort != oldSVC.ListenPort { + return status.Errorf(status.InvalidArgument, "custom ports not supported on target cluster %s", newSVC.ProxyCluster) + } + + return nil +} + // handleDomainChange validates the new domain is free inside the transaction // and applies the pre-resolved cluster (computed outside the tx by // resolveEffectiveCluster). It must NOT call clusterDeriver here: that talks diff --git a/management/internals/shared/grpc/conversion.go b/management/internals/shared/grpc/conversion.go index b4a0d8b28..ced982a30 100644 --- a/management/internals/shared/grpc/conversion.go +++ b/management/internals/shared/grpc/conversion.go @@ -8,6 +8,8 @@ import ( "strings" "time" + "github.com/hashicorp/go-version" + nbversion "github.com/netbirdio/netbird/version" log "github.com/sirupsen/logrus" goproto "google.golang.org/protobuf/proto" "google.golang.org/protobuf/types/known/timestamppb" @@ -28,6 +30,23 @@ import ( "github.com/netbirdio/netbird/shared/sshauth" ) +const ( + // deprecatedRemotePeersVersion is the version of Netbird that introduced the NetworkMap.RemotePeers field, deprecated in favor of RemotePeers. + deprecatedRemotePeersVersion = "0.29.3" +) + +// precomputedDeprecatedRemotePeersConstraint is the parsed ">= 0.29.3" constraint, +// built once at init since the bound is a compile-time constant. +var precomputedDeprecatedRemotePeersConstraint version.Constraints + +func init() { + constraint, err := version.NewConstraint(">= " + deprecatedRemotePeersVersion) + if err != nil { + panic("parse deprecated remote peers version constraint: " + err.Error()) + } + precomputedDeprecatedRemotePeersConstraint = constraint +} + func toNetbirdConfig(config *nbconfig.Config, turnCredentials *Token, relayToken *Token, extraSettings *types.ExtraSettings) *proto.NetbirdConfig { if config == nil { return nil @@ -155,7 +174,11 @@ func ToSyncResponse(ctx context.Context, config *nbconfig.Config, httpConfig *nb remotePeers := make([]*proto.RemotePeerConfig, 0, len(networkMap.Peers)+len(networkMap.OfflinePeers)) remotePeers = appendRemotePeerConfig(remotePeers, networkMap.Peers, dnsName, includeIPv6) - response.RemotePeers = remotePeers + + if !shouldSkipSendingDeprecatedRemotePeers(peer.Meta.WtVersion) { + response.RemotePeers = remotePeers + } + response.NetworkMap.RemotePeers = remotePeers response.RemotePeersIsEmpty = len(remotePeers) == 0 response.NetworkMap.RemotePeersIsEmpty = response.RemotePeersIsEmpty @@ -246,6 +269,19 @@ func buildAuthorizedUsersProto(ctx context.Context, authorizedUsers map[string]m return hashedUsers, machineUsers } +func shouldSkipSendingDeprecatedRemotePeers(peerVersion string) bool { + if nbversion.IsDevelopmentVersion(peerVersion) { + return true + } + + peerNBVersion, err := version.NewVersion(peerVersion) + if err != nil { + return false + } + + return precomputedDeprecatedRemotePeersConstraint.Check(peerNBVersion) +} + func appendRemotePeerConfig(dst []*proto.RemotePeerConfig, peers []*nbpeer.Peer, dnsName string, includeIPv6 bool) []*proto.RemotePeerConfig { for _, rPeer := range peers { allowedIPs := []string{rPeer.IP.String() + "/32"} @@ -363,7 +399,6 @@ func toProtocolFirewallRules(rules []*types.FirewallRule, includeIPv6, useSource return result } - // populateSourcePrefixes sets SourcePrefixes on fwRule and returns any // additional rules needed (e.g. a v6 wildcard clone when the peer IP is unspecified). func populateSourcePrefixes(fwRule *proto.FirewallRule, rule *types.FirewallRule, includeIPv6 bool) []*proto.FirewallRule { diff --git a/management/internals/shared/grpc/conversion_test.go b/management/internals/shared/grpc/conversion_test.go index 5efb24319..01a67e4fa 100644 --- a/management/internals/shared/grpc/conversion_test.go +++ b/management/internals/shared/grpc/conversion_test.go @@ -202,6 +202,42 @@ func TestBuildJWTConfig_Audiences(t *testing.T) { } } +// TestShouldSkipSendingDeprecatedRemotePeers covers the version gate that +// stops populating the deprecated top-level SyncResponse.RemotePeers field for +// peers new enough to read RemotePeers off the NetworkMap. Development builds +// are treated as latest and skip the field. The gate otherwise fails safe: a +// release version older than the boundary, or one that can't be parsed (empty, +// garbage, prereleases of the boundary) still receives the deprecated field so +// older/unknown clients keep working. +func TestShouldSkipSendingDeprecatedRemotePeers(t *testing.T) { + tests := []struct { + name string + peerVersion string + wantSkip bool + }{ + {"exact boundary skips", "0.29.3", true}, + {"newer patch skips", "0.29.4", true}, + {"newer minor skips", "0.30.0", true}, + {"newer major skips", "1.0.0", true}, + {"v-prefixed newer skips", "v0.30.0", true}, + {"development build skips", "development", true}, + {"development build with commit skips", "development-abc123def456-dirty", true}, + {"older patch keeps field", "0.29.2", false}, + {"older minor keeps field", "0.28.0", false}, + {"prerelease of boundary keeps field", "0.29.3-SNAPSHOT", false}, + {"tagged dev prerelease keeps field", "v0.31.1-dev", false}, + {"empty version keeps field", "", false}, + {"garbage version keeps field", "not-a-version", false}, + } + + for _, tc := range tests { + t.Run(tc.name, func(t *testing.T) { + got := shouldSkipSendingDeprecatedRemotePeers(tc.peerVersion) + assert.Equal(t, tc.wantSkip, got, "skip decision for peer version %q", tc.peerVersion) + }) + } +} + // TestEncodeSessionExpiresAt pins the wire encoding the client's // applySessionDeadline depends on: // diff --git a/management/internals/shared/grpc/proxy.go b/management/internals/shared/grpc/proxy.go index 72735b210..0feb807f6 100644 --- a/management/internals/shared/grpc/proxy.go +++ b/management/internals/shared/grpc/proxy.go @@ -666,8 +666,10 @@ func (s *ProxyServiceServer) sender(conn *proxyConnection, errChan chan<- error) case resp := <-conn.sendChan: if err := conn.sendResponse(resp); err != nil { errChan <- err + log.WithContext(conn.ctx).Tracef("Failed to send response to proxy %s: %v", conn.proxyID, err) return } + log.WithContext(conn.ctx).Tracef("Send response to proxy %s", conn.proxyID) case <-conn.ctx.Done(): return } diff --git a/management/server/context/keys.go b/management/server/context/keys.go index 7a65afbbd..aa534c5d9 100644 --- a/management/server/context/keys.go +++ b/management/server/context/keys.go @@ -12,6 +12,7 @@ const ( RoleKey = nbcontext.RoleKey UserIDKey = nbcontext.UserIDKey PeerIDKey = nbcontext.PeerIDKey + UserAgentKey = nbcontext.UserAgentKey ) // RoleFromContext returns the role stored in ctx, or empty string and false if absent. diff --git a/management/server/telemetry/http_api_metrics.go b/management/server/telemetry/http_api_metrics.go index e48e6d64a..360d36949 100644 --- a/management/server/telemetry/http_api_metrics.go +++ b/management/server/telemetry/http_api_metrics.go @@ -21,6 +21,8 @@ const ( httpRequestCounterPrefix = "management.http.request.counter" httpResponseCounterPrefix = "management.http.response.counter" httpRequestDurationPrefix = "management.http.request.duration.ms" + + RequestIDHeader = "X-Request-Id" ) // WrappedResponseWriter is a wrapper for http.ResponseWriter that allows the @@ -172,6 +174,10 @@ func (m *HTTPMiddleware) Handler(h http.Handler) http.Handler { reqID := xid.New().String() //nolint ctx = context.WithValue(ctx, nbContext.RequestIDKey, reqID) + //nolint + ctx = context.WithValue(ctx, nbContext.UserAgentKey, r.UserAgent()) + + rw.Header().Set(RequestIDHeader, reqID) log.WithContext(ctx).Tracef("HTTP request %v: %v %v", reqID, r.Method, r.URL) diff --git a/management/server/types/networkmap_components.go b/management/server/types/networkmap_components.go index 3a7e20ec5..b5514e19b 100644 --- a/management/server/types/networkmap_components.go +++ b/management/server/types/networkmap_components.go @@ -557,7 +557,6 @@ func (c *NetworkMapComponents) getRoutingPeerRoutes(peerID string) (enabledRoute return enabledRoutes, disabledRoutes } - func (c *NetworkMapComponents) filterRoutesByGroups(routes []*route.Route, groupListMap LookupMap) []*route.Route { var filteredRoutes []*route.Route for _, r := range routes { @@ -628,9 +627,14 @@ func (c *NetworkMapComponents) getDefaultPermit(r *route.Route, includeIPv6 bool rules := []*RouteFirewallRule{&rule} - if includeIPv6 && r.IsDynamic() { + isDefaultV4 := r.Network.Addr().Is4() && r.Network.Bits() == 0 + if includeIPv6 && (r.IsDynamic() || isDefaultV4) { ruleV6 := rule ruleV6.SourceRanges = []string{"::/0"} + if isDefaultV4 { + ruleV6.Destination = "::/0" + ruleV6.RouteID = r.ID + "-v6-default" + } rules = append(rules, &ruleV6) } diff --git a/management/server/types/networkmap_components_correctness_test.go b/management/server/types/networkmap_components_correctness_test.go index bcfb6fdf9..3785a7399 100644 --- a/management/server/types/networkmap_components_correctness_test.go +++ b/management/server/types/networkmap_components_correctness_test.go @@ -5,6 +5,7 @@ import ( "fmt" "net" "net/netip" + "slices" "testing" "time" @@ -1029,6 +1030,48 @@ func TestComponents_RouteDefaultPermit(t *testing.T) { assert.True(t, hasDefaultPermit, "route without ACG should have default permit rule with 0.0.0.0/0 source") } +// TestComponents_ExitNodeDefaultPermitIPv6 verifies that a default exit node route +// (0.0.0.0/0) without AccessControlGroups also emits an IPv6 default permit rule +// (::/0 source and destination) for peers that support IPv6, mirroring the route +// the client installs. Without it, IPv6 traffic is routed to the exit node but +// dropped at the forward chain. +func TestComponents_ExitNodeDefaultPermitIPv6(t *testing.T) { + account, validatedPeers := scalableTestAccount(20, 2) + + routingPeerID := "peer-5" + routingPeer := account.Peers[routingPeerID] + routingPeer.IPv6 = netip.MustParseAddr("fd00::5") + routingPeer.Meta.Capabilities = append(routingPeer.Meta.Capabilities, nbpeer.PeerCapabilityIPv6Overlay) + + account.Routes["route-exit"] = &route.Route{ + ID: "route-exit", Network: netip.MustParsePrefix("0.0.0.0/0"), + PeerID: routingPeerID, Peer: routingPeer.Key, + Enabled: true, Groups: []string{"group-all"}, PeerGroups: []string{"group-0"}, + AccessControlGroups: []string{}, + AccountID: "test-account", + } + + nm := componentsNetworkMap(account, routingPeerID, validatedPeers) + require.NotNil(t, nm) + + hasV4 := false + hasV6 := false + for _, rfr := range nm.RoutesFirewallRules { + switch rfr.Destination { + case "0.0.0.0/0": + if slices.Contains(rfr.SourceRanges, "0.0.0.0/0") { + hasV4 = true + } + case "::/0": + if slices.Contains(rfr.SourceRanges, "::/0") { + hasV6 = true + } + } + } + assert.True(t, hasV4, "exit node route should have an IPv4 default permit rule (0.0.0.0/0)") + assert.True(t, hasV6, "exit node route should have an IPv6 default permit rule (::/0)") +} + // ────────────────────────────────────────────────────────────────────────────── // 15. MULTIPLE ROUTERS PER NETWORK // ────────────────────────────────────────────────────────────────────────────── diff --git a/proxy/cmd/proxy/cmd/root.go b/proxy/cmd/proxy/cmd/root.go index d0e11517e..ad8e1b7c0 100644 --- a/proxy/cmd/proxy/cmd/root.go +++ b/proxy/cmd/proxy/cmd/root.go @@ -249,6 +249,7 @@ func runServer(cmd *cobra.Command, args []string) error { Private: private, MaxDialTimeout: maxDialTimeout, MaxSessionIdleTimeout: maxSessionIdleTimeout, + MappingBatchWatchdog: envDurationOrDefault("NB_PROXY_MAPPING_BATCH_WATCHDOG", 0), GeoDataDir: geoDataDir, CrowdSecAPIURL: crowdsecAPIURL, CrowdSecAPIKey: crowdsecAPIKey, diff --git a/proxy/internal/roundtrip/netbird.go b/proxy/internal/roundtrip/netbird.go index 1d1e68f4a..13d386da2 100644 --- a/proxy/internal/roundtrip/netbird.go +++ b/proxy/internal/roundtrip/netbird.go @@ -28,6 +28,10 @@ import ( const deviceNamePrefix = "ingress-proxy-" +const clientStopTimeout = 30 * time.Second + +const createProxyPeerTimeout = 30 * time.Second + // backendKey identifies a backend by its host:port from the target URL. type backendKey string @@ -162,6 +166,7 @@ type NetBird struct { clientsMux sync.RWMutex clients map[types.AccountID]*clientEntry + lifecycleMu sync.Map initLogOnce sync.Once statusNotifier statusNotifier // readyHandler runs after the embedded client for an account reports @@ -177,6 +182,10 @@ type NetBird struct { // (i.e. when a new client was actually created, not when an existing one // was reused). The duration covers keygen + gRPC CreateProxyPeer + embed.New. OnAddPeer func(d time.Duration, err error) + + // startClient runs the post-create client startup. Nil uses runClientStartup; + // tests override it to avoid a real embed client.Start. + startClient func(accountID types.AccountID, client *embed.Client) } // ClientDebugInfo contains debug information about a client. @@ -200,31 +209,20 @@ type skipTLSVerifyContextKey struct{} func (n *NetBird) AddPeer(ctx context.Context, accountID types.AccountID, key ServiceKey, authToken string, serviceID types.ServiceID) error { si := serviceInfo{serviceID: serviceID} - n.clientsMux.Lock() + if n.registerExistingClient(accountID, key, si) { + return nil + } - entry, exists := n.clients[accountID] - if exists { - entry.services[key] = si - started := entry.started - n.clientsMux.Unlock() - - n.logger.WithFields(log.Fields{ - "account_id": accountID, - "service_key": key, - }).Debug("registered service with existing client") - - if started && n.statusNotifier != nil { - // Use a background context, not the caller's: the management - // connection notification must land even if the request / - // stream that triggered this registration is cancelled. - // Mirrors the async runClientStartup path. - if err := n.statusNotifier.NotifyStatus(context.Background(), accountID, serviceID, true); err != nil { - n.logger.WithFields(log.Fields{ - "account_id": accountID, - "service_key": key, - }).WithError(err).Warn("failed to notify status for existing client") - } + lifecycle := n.accountLifecycle(accountID) + lifecycle.Lock() + transferred := false + defer func() { + if !transferred { + lifecycle.Unlock() } + }() + + if n.registerExistingClient(accountID, key, si) { return nil } @@ -234,10 +232,10 @@ func (n *NetBird) AddPeer(ctx context.Context, accountID types.AccountID, key Se n.OnAddPeer(time.Since(createStart), err) } if err != nil { - n.clientsMux.Unlock() return err } + n.clientsMux.Lock() n.clients[accountID] = entry n.clientsMux.Unlock() @@ -246,17 +244,64 @@ func (n *NetBird) AddPeer(ctx context.Context, accountID types.AccountID, key Se "service_key": key, }).Info("created new client for account") - // Attempt to start the client in the background; if this fails we will - // retry on the first request via RoundTrip. runClientStartup uses its - // own background context so the caller's request-scoped ctx can't - // cancel the inbound bring-up. - go n.runClientStartup(accountID, entry.client) + transferred = true + go func() { + defer lifecycle.Unlock() + n.startClientStartup(accountID, entry.client) + }() return nil } +func (n *NetBird) startClientStartup(accountID types.AccountID, client *embed.Client) { + if n.startClient != nil { + n.startClient(accountID, client) + return + } + n.runClientStartup(accountID, client) +} + +// registerExistingClient registers the service against an already-present +// client for the account and returns true when it did. It notifies management +// of the new service when the client is already started. +func (n *NetBird) registerExistingClient(accountID types.AccountID, key ServiceKey, si serviceInfo) bool { + n.clientsMux.Lock() + entry, exists := n.clients[accountID] + if !exists { + n.clientsMux.Unlock() + return false + } + entry.services[key] = si + started := entry.started + n.clientsMux.Unlock() + + n.logger.WithFields(log.Fields{ + "account_id": accountID, + "service_key": key, + }).Debug("registered service with existing client") + + if started && n.statusNotifier != nil { + if err := n.statusNotifier.NotifyStatus(context.Background(), accountID, si.serviceID, true); err != nil { + n.logger.WithFields(log.Fields{ + "account_id": accountID, + "service_key": key, + }).WithError(err).Warn("failed to notify status for existing client") + } + } + return true +} + +// accountLifecycle returns the per-account lifecycle mutex, serialising client +// creation against teardown so a slow client.Stop cannot race a new +// client.Start for the same account, without blocking clientsMux. +func (n *NetBird) accountLifecycle(accountID types.AccountID) *sync.Mutex { + mu, _ := n.lifecycleMu.LoadOrStore(accountID, &sync.Mutex{}) + return mu.(*sync.Mutex) +} + // createClientEntry generates a WireGuard keypair, authenticates with management, -// and creates an embedded NetBird client. Must be called with clientsMux held. +// and creates an embedded NetBird client. Must be called with the account's +// lifecycle mutex held. func (n *NetBird) createClientEntry(ctx context.Context, accountID types.AccountID, key ServiceKey, authToken string, si serviceInfo) (*clientEntry, error) { serviceID := si.serviceID n.logger.WithFields(log.Fields{ @@ -276,7 +321,9 @@ func (n *NetBird) createClientEntry(ctx context.Context, accountID types.Account "public_key": publicKey.String(), }).Debug("authenticating new proxy peer with management") - resp, err := n.mgmtClient.CreateProxyPeer(ctx, &proto.CreateProxyPeerRequest{ + createCtx, cancel := context.WithTimeout(ctx, createProxyPeerTimeout) + defer cancel() + resp, err := n.mgmtClient.CreateProxyPeer(createCtx, &proto.CreateProxyPeerRequest{ ServiceId: string(serviceID), AccountId: string(accountID), Token: authToken, @@ -444,6 +491,15 @@ func (n *NetBird) notifyClientReady(accountID types.AccountID, client *embed.Cli // RemovePeer unregisters a service from an account. The client is only stopped // when no services are using it anymore. func (n *NetBird) RemovePeer(ctx context.Context, accountID types.AccountID, key ServiceKey) error { + lifecycle := n.accountLifecycle(accountID) + lifecycle.Lock() + transferred := false + defer func() { + if !transferred { + lifecycle.Unlock() + } + }() + n.clientsMux.Lock() entry, exists := n.clients[accountID] @@ -466,17 +522,8 @@ func (n *NetBird) RemovePeer(ctx context.Context, accountID types.AccountID, key delete(entry.services, key) stopClient := len(entry.services) == 0 - var client *embed.Client - var transport, insecureTransport *http.Transport - var inbound any - var stopHandler func(types.AccountID, any) if stopClient { n.logger.WithField("account_id", accountID).Info("stopping client, no more services") - client = entry.client - transport = entry.transport - insecureTransport = entry.insecureTransport - inbound = entry.inbound - stopHandler = n.stopHandler delete(n.clients, accountID) } else { n.logger.WithFields(log.Fields{ @@ -490,19 +537,40 @@ func (n *NetBird) RemovePeer(ctx context.Context, accountID types.AccountID, key n.notifyDisconnect(ctx, accountID, key, si.serviceID) if stopClient { - if inbound != nil && stopHandler != nil { - stopHandler(accountID, inbound) - } - transport.CloseIdleConnections() - insecureTransport.CloseIdleConnections() - if err := client.Stop(ctx); err != nil { - n.logger.WithField("account_id", accountID).WithError(err).Warn("failed to stop netbird client") - } + transferred = true + go n.stopClientLocked(accountID, lifecycle, entry) } return nil } +// stopClientLocked releases a client's resources off the caller's goroutine so a +// slow client.Stop cannot wedge the mapping receive loop (which calls RemovePeer +// synchronously). It unlocks lifecycle when done so a new client.Start for the +// same account waits for this teardown. +func (n *NetBird) stopClientLocked(accountID types.AccountID, lifecycle *sync.Mutex, entry *clientEntry) { + defer lifecycle.Unlock() + + if entry.inbound != nil && n.stopHandler != nil { + n.stopHandler(accountID, entry.inbound) + } + if entry.transport != nil { + entry.transport.CloseIdleConnections() + } + if entry.insecureTransport != nil { + entry.insecureTransport.CloseIdleConnections() + } + if entry.client == nil { + return + } + + ctx, cancel := context.WithTimeout(context.Background(), clientStopTimeout) + defer cancel() + if err := entry.client.Stop(ctx); err != nil { + n.logger.WithField("account_id", accountID).WithError(err).Warn("failed to stop netbird client") + } +} + func (n *NetBird) notifyDisconnect(ctx context.Context, accountID types.AccountID, key ServiceKey, serviceID types.ServiceID) { if n.statusNotifier == nil { return diff --git a/proxy/internal/roundtrip/netbird_test.go b/proxy/internal/roundtrip/netbird_test.go index b1c36b465..700cca83e 100644 --- a/proxy/internal/roundtrip/netbird_test.go +++ b/proxy/internal/roundtrip/netbird_test.go @@ -6,6 +6,7 @@ import ( "net/netip" "sync" "testing" + "time" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" @@ -22,6 +23,18 @@ func (m *mockMgmtClient) CreateProxyPeer(_ context.Context, _ *proto.CreateProxy return &proto.CreateProxyPeerResponse{Success: true}, nil } +// signalMgmtClient closes entered the first time CreateProxyPeer is called, so +// tests can detect AddPeer reaching client creation. +type signalMgmtClient struct { + entered chan struct{} + once sync.Once +} + +func (m *signalMgmtClient) CreateProxyPeer(_ context.Context, _ *proto.CreateProxyPeerRequest, _ ...grpc.CallOption) (*proto.CreateProxyPeerResponse, error) { + m.once.Do(func() { close(m.entered) }) + return &proto.CreateProxyPeerResponse{Success: true}, nil +} + type mockStatusNotifier struct { mu sync.Mutex statuses []statusCall @@ -52,11 +65,15 @@ func (m *mockStatusNotifier) calls() []statusCall { // mockNetBird creates a NetBird instance for testing without actually connecting. // It uses an invalid management URL to prevent real connections. func mockNetBird() *NetBird { - return NewNetBird(context.Background(), "test-proxy", "invalid.test", ClientConfig{ + nb := NewNetBird(context.Background(), "test-proxy", "invalid.test", ClientConfig{ MgmtAddr: "http://invalid.test:9999", WGPort: 0, PreSharedKey: "", }, nil, nil, &mockMgmtClient{}) + // Skip the real embed client.Start, which would hang against the unreachable + // mgmt URL and (now that the lifecycle lock spans startup) serialise removes. + nb.startClient = func(types.AccountID, *embed.Client) {} + return nb } func TestNetBird_AddPeer_CreatesClientForNewAccount(t *testing.T) { @@ -288,6 +305,7 @@ func TestNetBird_AddPeer_ExistingStartedClient_NotifiesStatus(t *testing.T) { WGPort: 0, PreSharedKey: "", }, nil, notifier, &mockMgmtClient{}) + nb.startClient = func(types.AccountID, *embed.Client) {} accountID := types.AccountID("account-1") // Add first service — creates a new client entry. @@ -372,6 +390,117 @@ func TestNetBird_RemovePeer_NotifiesDisconnection(t *testing.T) { assert.False(t, calls[0].connected) } +// TestNetBird_RemovePeer_TeardownIsAsync proves the fix for the receive-loop +// stall: RemovePeer must return promptly even when the client teardown blocks, +// because teardown runs off the caller's goroutine. The receive loop calls +// RemovePeer synchronously, so a blocking teardown inline would wedge it. +func TestNetBird_RemovePeer_TeardownIsAsync(t *testing.T) { + nb := NewNetBird(context.Background(), "test-proxy", "invalid.test", ClientConfig{ + MgmtAddr: "http://invalid.test:9999", + }, nil, &mockStatusNotifier{}, &mockMgmtClient{}) + + accountID := types.AccountID("acct-async-teardown") + key := DomainServiceKey("svc.example") + + teardownEntered := make(chan struct{}) + releaseTeardown := make(chan struct{}) + nb.SetClientLifecycle(nil, func(types.AccountID, any) { + close(teardownEntered) + <-releaseTeardown + }) + + nb.clientsMux.Lock() + nb.clients[accountID] = &clientEntry{ + services: map[ServiceKey]serviceInfo{key: {serviceID: types.ServiceID("svc-1")}}, + started: true, + inbound: struct{}{}, + } + nb.clientsMux.Unlock() + + done := make(chan error, 1) + go func() { done <- nb.RemovePeer(context.Background(), accountID, key) }() + + select { + case err := <-done: + require.NoError(t, err) + case <-time.After(2 * time.Second): + t.Fatal("RemovePeer did not return while teardown was blocked — teardown is not async") + } + + select { + case <-teardownEntered: + case <-time.After(2 * time.Second): + t.Fatal("teardown never ran") + } + + close(releaseTeardown) +} + +// TestNetBird_AddPeer_WaitsForTeardown proves the lifecycle lock serialises a +// new client bringup behind an in-flight teardown for the same account, so a +// slow client.Stop can never race a new client.Start for that account. +// +// It targets the handoff race specifically: AddPeer is launched immediately +// after RemovePeer returns, WITHOUT waiting for the teardown goroutine to start. +// This only passes if RemovePeer acquires the lifecycle lock synchronously +// (before returning) and hands it to the teardown goroutine — if the goroutine +// acquired the lock itself, AddPeer could win the lock in this window and start +// a replacement client while the old teardown is still pending. +func TestNetBird_AddPeer_WaitsForTeardown(t *testing.T) { + nb := NewNetBird(context.Background(), "test-proxy", "invalid.test", ClientConfig{ + MgmtAddr: "http://invalid.test:9999", + }, nil, &mockStatusNotifier{}, &mockMgmtClient{}) + nb.startClient = func(types.AccountID, *embed.Client) {} + + accountID := types.AccountID("acct-serialize") + key := DomainServiceKey("svc.example") + + addEntered := make(chan struct{}) + releaseTeardown := make(chan struct{}) + nb.SetClientLifecycle(nil, func(types.AccountID, any) { + // Block teardown until released. If AddPeer ever reaches createClientEntry + // (signalled via the mgmt client below) while we hold the lock, the lock + // failed to serialise and the test fails before we release. + <-releaseTeardown + }) + + nb.clientsMux.Lock() + nb.clients[accountID] = &clientEntry{ + services: map[ServiceKey]serviceInfo{key: {serviceID: types.ServiceID("svc-1")}}, + started: true, + inbound: struct{}{}, + } + nb.clientsMux.Unlock() + + // createClientEntry calls CreateProxyPeer; closing addEntered there tells us + // AddPeer got past the lifecycle lock and into client creation. + nb.mgmtClient = &signalMgmtClient{entered: addEntered} + + require.NoError(t, nb.RemovePeer(context.Background(), accountID, key)) + + // Launch AddPeer with NO synchronisation against the teardown goroutine. + addReturned := make(chan struct{}) + go func() { + _ = nb.AddPeer(context.Background(), accountID, DomainServiceKey("svc2.example"), "key-2", types.ServiceID("svc-2")) + close(addReturned) + }() + + select { + case <-addEntered: + t.Fatal("AddPeer entered client creation while teardown held the lifecycle lock — handoff race not closed") + case <-addReturned: + t.Fatal("AddPeer completed while teardown held the lifecycle lock — not serialised") + case <-time.After(300 * time.Millisecond): + } + + close(releaseTeardown) + select { + case <-addReturned: + case <-time.After(2 * time.Second): + t.Fatal("AddPeer never completed after teardown released the lifecycle lock") + } +} + // TestNotifyClientReady_UsesBackgroundCtx pins the contract that the // post-Start hooks (readyHandler + statusNotifier.NotifyStatus) run on // a fresh context.Background() rather than inheriting the AddPeer diff --git a/proxy/lifecycle.go b/proxy/lifecycle.go index 41d4bc496..0d4aded9c 100644 --- a/proxy/lifecycle.go +++ b/proxy/lifecycle.go @@ -114,6 +114,10 @@ type Config struct { MaxDialTimeout time.Duration // MaxSessionIdleTimeout caps the per-service session idle timeout. MaxSessionIdleTimeout time.Duration + // MappingBatchWatchdog bounds how long a single mapping batch may spend + // being applied before the receive loop reconnects to resync. Zero falls + // back to the internal default. + MappingBatchWatchdog time.Duration // GeoDataDir is the directory containing GeoLite2 MMDB files. GeoDataDir string @@ -164,6 +168,7 @@ func New(ctx context.Context, cfg Config) *Server { Private: cfg.Private, MaxDialTimeout: cfg.MaxDialTimeout, MaxSessionIdleTimeout: cfg.MaxSessionIdleTimeout, + MappingBatchWatchdog: cfg.MappingBatchWatchdog, GeoDataDir: cfg.GeoDataDir, CrowdSecAPIURL: cfg.CrowdSecAPIURL, CrowdSecAPIKey: cfg.CrowdSecAPIKey, diff --git a/proxy/mapping_stall_test.go b/proxy/mapping_stall_test.go new file mode 100644 index 000000000..acf313d19 --- /dev/null +++ b/proxy/mapping_stall_test.go @@ -0,0 +1,282 @@ +package proxy + +import ( + "context" + "sync" + "sync/atomic" + "testing" + "time" + + log "github.com/sirupsen/logrus" + "github.com/stretchr/testify/assert" + "google.golang.org/grpc" + "google.golang.org/grpc/metadata" + + "github.com/netbirdio/netbird/proxy/internal/roundtrip" + "github.com/netbirdio/netbird/proxy/internal/types" + "github.com/netbirdio/netbird/shared/management/proto" +) + +// blockingMgmtClient implements roundtrip's managementClient interface. +// CreateProxyPeer parks until release is closed, signalling entry on entered. +// This reproduces the confirmed real-world stall: createClientEntry calls +// CreateProxyPeer synchronously while holding clientsMux, and the proxy's +// receive loop calls that path synchronously inside processMappings. +type blockingMgmtClient struct { + entered chan struct{} + once sync.Once +} + +func (b *blockingMgmtClient) CreateProxyPeer(ctx context.Context, _ *proto.CreateProxyPeerRequest, _ ...grpc.CallOption) (*proto.CreateProxyPeerResponse, error) { + b.once.Do(func() { close(b.entered) }) + // Park until the caller's context is cancelled. In production this ctx is + // the gRPC mapping-stream context with no per-call timeout, so a slow or + // unresponsive CreateProxyPeer parks the receive loop here indefinitely. + <-ctx.Done() + return nil, ctx.Err() +} + +// gatedMappingStream is a mock GetMappingUpdate client stream that hands out a +// pre-seeded list of messages, then records how many times Recv advanced. It +// lets the test observe whether the single-threaded receive loop ever gets +// past the first (blocking) batch to pull the second message. +type gatedMappingStream struct { + grpc.ClientStream + messages []*proto.GetMappingUpdateResponse + idx int32 +} + +func (g *gatedMappingStream) Recv() (*proto.GetMappingUpdateResponse, error) { + i := int(atomic.LoadInt32(&g.idx)) + if i >= len(g.messages) { + // Block instead of returning EOF so the loop doesn't exit; we only + // care whether the loop ever reaches this second Recv at all. + select {} + } + msg := g.messages[i] + atomic.AddInt32(&g.idx, 1) + return msg, nil +} + +func (g *gatedMappingStream) deliveredCount() int32 { return atomic.LoadInt32(&g.idx) } + +func (g *gatedMappingStream) Header() (metadata.MD, error) { return nil, nil } //nolint:nilnil +func (g *gatedMappingStream) Trailer() metadata.MD { return nil } +func (g *gatedMappingStream) CloseSend() error { return nil } +func (g *gatedMappingStream) Context() context.Context { return context.Background() } +func (g *gatedMappingStream) SendMsg(any) error { return nil } +func (g *gatedMappingStream) RecvMsg(any) error { return nil } + +// noopNotifier satisfies roundtrip's statusNotifier interface. +type noopNotifier struct{} + +func (noopNotifier) NotifyStatus(context.Context, types.AccountID, types.ServiceID, bool) error { + return nil +} + +// noopProxyClient is a proto.ProxyServiceClient that no-ops the one method the +// teardown unwind reaches (SendStatusUpdate, via notifyError when the parked +// AddPeer is cancelled). The embedded nil interface satisfies the rest at +// compile time; none of those methods are called by this test. +type noopProxyClient struct { + proto.ProxyServiceClient +} + +func (noopProxyClient) SendStatusUpdate(context.Context, *proto.SendStatusUpdateRequest, ...grpc.CallOption) (*proto.SendStatusUpdateResponse, error) { + return &proto.SendStatusUpdateResponse{}, nil +} + +// TestMappingStream_StallsWhenApplyBlocks proves the deadlock: the proxy's +// mapping receive loop processes batches strictly serially, so when applying +// one batch blocks (here: createClientEntry parked on a synchronous +// CreateProxyPeer call, exactly as observed in production), the loop never +// advances to Recv the next batch. Management can keep sending updates onto +// the stream with no error and no channel overflow, yet the proxy applies +// nothing further — it is stuck. +func TestMappingStream_StallsWhenApplyBlocks(t *testing.T) { + logger := log.New() + logger.SetLevel(log.PanicLevel) + + mgmt := &blockingMgmtClient{ + entered: make(chan struct{}), + } + + nb := roundtrip.NewNetBird( + context.Background(), + "proxy-test", + "proxy.example.com", + roundtrip.ClientConfig{}, + logger, + noopNotifier{}, + mgmt, + ) + + s := &Server{ + Logger: logger, + netbird: nb, + mgmtClient: noopProxyClient{}, + routerReady: closedChan(), + lastMappings: make(map[types.ServiceID]*proto.ProxyMapping), + } + + // First batch: a CREATED mapping for a brand-new account. addMapping -> + // netbird.AddPeer -> createClientEntry -> CreateProxyPeer, which blocks. + // Empty Path keeps setupHTTPMapping a no-op (it returns early), so the + // ONLY blocking point is the synchronous CreateProxyPeer in AddPeer — + // no routers/auth need wiring. The second batch exists only to detect + // whether the loop ever advances past the blocked first batch. + stream := &gatedMappingStream{ + messages: []*proto.GetMappingUpdateResponse{ + { + Mapping: []*proto.ProxyMapping{ + { + Type: proto.ProxyMappingUpdateType_UPDATE_TYPE_CREATED, + Id: "svc-1", + AccountId: "acct-1", + AuthToken: "token-1", + }, + }, + }, + { + Mapping: []*proto.ProxyMapping{ + { + Type: proto.ProxyMappingUpdateType_UPDATE_TYPE_CREATED, + Id: "svc-2", + AccountId: "acct-2", + AuthToken: "token-2", + }, + }, + }, + }, + } + + ctx, cancel := context.WithCancel(context.Background()) + // Unblock the parked apply on teardown via ctx (CreateProxyPeer returns + // ctx.Err()), so the wedged loop goroutine unwinds before embed.New — + // avoiding any dependency on collaborators this test deliberately leaves + // nil. The deadlock is fully proven before this fires. + t.Cleanup(cancel) + + loopDone := make(chan struct{}) + syncDone := false + go func() { + defer close(loopDone) + _ = s.handleMappingStream(ctx, stream, &syncDone, time.Time{}) + }() + + // The loop must reach the blocking apply for the first batch. + select { + case <-mgmt.entered: + case <-time.After(2 * time.Second): + t.Fatal("receive loop never reached CreateProxyPeer for the first batch") + } + + // THE DEADLOCK: while the first batch is parked in CreateProxyPeer, the + // single-threaded loop cannot advance. The second batch is never pulled, + // even though it is already available on the stream. Give it ample time. + // deliveredCount is atomic; syncDone is intentionally not read here because + // the loop goroutine owns it (reading it from the test would race). + time.Sleep(500 * time.Millisecond) + assert.Equal(t, int32(1), stream.deliveredCount(), + "loop must NOT consume the second batch while the first is blocked in apply — proxy is stuck") + + select { + case <-loopDone: + t.Fatal("receive loop returned while it should be wedged in apply") + default: + // Still wedged, as expected. + } +} + +// TestMappingStream_StallsWhenRemoveBlocks proves the deadlock for the REMOVE +// path observed in production: a mapping remove tears down the account's last +// embedded client via netbird.RemovePeer -> client.Stop -> Engine.Stop, whose +// jobExecutorWG.Wait() is unbounded. Because the receive loop is single- +// threaded, a blocked remove wedges the loop: no further mapping updates of any +// kind (create/modify/remove) are applied, while management keeps sending them +// successfully (no send error, no channel-full). Matches the reported symptom: +// the last log line is a remove that stops a client, then silence. +func TestMappingStream_StallsWhenRemoveBlocks(t *testing.T) { + logger := log.New() + logger.SetLevel(log.PanicLevel) + + enteredRemove := make(chan struct{}) + blockRemove := make(chan struct{}) + var once sync.Once + + s := &Server{ + Logger: logger, + mgmtClient: noopProxyClient{}, + routerReady: closedChan(), + lastMappings: make(map[types.ServiceID]*proto.ProxyMapping), + // Stand in for netbird.RemovePeer -> client.Stop hanging on + // Engine.Stop's unbounded jobExecutorWG.Wait(). Only the first remove + // blocks; later removes return immediately so the recovery assertion + // can observe the loop advancing. + removePeer: func(ctx context.Context, _ types.AccountID, _ roundtrip.ServiceKey) error { + first := false + once.Do(func() { + first = true + close(enteredRemove) + }) + if !first { + return nil + } + select { + case <-blockRemove: + case <-ctx.Done(): + } + return nil + }, + } + + // Batch 1 removes a service (blocks in teardown). Batch 2 is a later update + // that must never be applied while the remove is wedged. + stream := &gatedMappingStream{ + messages: []*proto.GetMappingUpdateResponse{ + { + Mapping: []*proto.ProxyMapping{ + {Type: proto.ProxyMappingUpdateType_UPDATE_TYPE_REMOVED, Id: "svc-1", AccountId: "acct-1"}, + }, + }, + { + Mapping: []*proto.ProxyMapping{ + {Type: proto.ProxyMappingUpdateType_UPDATE_TYPE_REMOVED, Id: "svc-2", AccountId: "acct-1"}, + }, + }, + }, + } + + loopDone := make(chan struct{}) + syncDone := false + go func() { + defer close(loopDone) + _ = s.handleMappingStream(context.Background(), stream, &syncDone, time.Time{}) + }() + + select { + case <-enteredRemove: + case <-time.After(2 * time.Second): + t.Fatal("receive loop never reached the blocking remove for the first batch") + } + + // THE DEADLOCK: the loop is parked in the blocked remove and cannot advance. + // syncDone is owned by the loop goroutine, so it is not read here. + time.Sleep(500 * time.Millisecond) + assert.Equal(t, int32(1), stream.deliveredCount(), + "loop must NOT consume the second batch while the first remove is blocked — proxy is stuck") + + select { + case <-loopDone: + t.Fatal("receive loop returned while it should be wedged on the remove") + default: + } + + // Unblock and confirm the wedge was solely the blocked remove: the loop + // then advances and consumes the next batch. + close(blockRemove) + assert.Eventually(t, func() bool { + return stream.deliveredCount() >= 2 + }, 2*time.Second, 5*time.Millisecond, + "once the remove unblocks, the loop must advance and consume the next batch") +} diff --git a/proxy/server.go b/proxy/server.go index 1f5e0abd6..cd90682b0 100644 --- a/proxy/server.go +++ b/proxy/server.go @@ -24,6 +24,7 @@ import ( "time" "github.com/cenkalti/backoff/v4" + "github.com/google/uuid" "github.com/pires/go-proxyproto" prometheus2 "github.com/prometheus/client_golang/prometheus" "github.com/prometheus/client_golang/prometheus/promhttp" @@ -75,29 +76,30 @@ type portRouter struct { } type Server struct { - ctx context.Context - mgmtClient proto.ProxyServiceClient - proxy *proxy.ReverseProxy - netbird *roundtrip.NetBird - acme *acme.Manager - auth *auth.Middleware - http *http.Server - https *http.Server - debug *http.Server - healthServer *health.Server - healthChecker *health.Checker - meter *proxymetrics.Metrics - accessLog *accesslog.Logger - mainRouter *nbtcp.Router - mainPort uint16 - udpMu sync.Mutex - udpRelays map[types.ServiceID]*udprelay.Relay - udpRelayWg sync.WaitGroup - portMu sync.RWMutex - portRouters map[uint16]*portRouter - svcPorts map[types.ServiceID][]uint16 - lastMappings map[types.ServiceID]*proto.ProxyMapping - portRouterWg sync.WaitGroup + ctx context.Context + mgmtClient proto.ProxyServiceClient + proxy *proxy.ReverseProxy + netbird *roundtrip.NetBird + acme *acme.Manager + staticCertWatcher *certwatch.Watcher + auth *auth.Middleware + http *http.Server + https *http.Server + debug *http.Server + healthServer *health.Server + healthChecker *health.Checker + meter *proxymetrics.Metrics + accessLog *accesslog.Logger + mainRouter *nbtcp.Router + mainPort uint16 + udpMu sync.Mutex + udpRelays map[types.ServiceID]*udprelay.Relay + udpRelayWg sync.WaitGroup + portMu sync.RWMutex + portRouters map[uint16]*portRouter + svcPorts map[types.ServiceID][]uint16 + lastMappings map[types.ServiceID]*proto.ProxyMapping + portRouterWg sync.WaitGroup // hijackTracker tracks hijacked connections (e.g. WebSocket upgrades) // so they can be closed during graceful shutdown, since http.Server.Shutdown @@ -118,6 +120,9 @@ type Server struct { // The mapping worker waits on this before processing updates. routerReady chan struct{} + // removePeer defaults to netbird.RemovePeer; overridable in tests. + removePeer func(ctx context.Context, accountID types.AccountID, key roundtrip.ServiceKey) error + // inbound, when non-nil, manages per-account inbound listeners. Set by // initPrivateInbound only when Private is true so the standalone // proxy keeps its zero-overhead default path. @@ -227,6 +232,10 @@ type Server struct { // Zero means no cap (the proxy honors whatever management sends). // Set via NB_PROXY_MAX_SESSION_IDLE_TIMEOUT for shared deployments. MaxSessionIdleTimeout time.Duration + // MappingBatchWatchdog bounds how long a single mapping batch may spend + // in processMappings before the receive loop reconnects to resync. + // Zero uses defaultMappingBatchWatchdog. + MappingBatchWatchdog time.Duration } // clampIdleTimeout returns d capped to MaxSessionIdleTimeout when configured. @@ -607,7 +616,7 @@ func (s *Server) initDefaults() { // If no ID is set then one can be generated. if s.ID == "" { - s.ID = "netbird-proxy-" + s.startTime.Format("20060102150405") + s.ID = fmt.Sprintf("netbird-proxy-%s", uuid.NewString()) } // Fallback version option in case it is not set. if s.Version == "" { @@ -785,6 +794,7 @@ func (s *Server) configureTLS(ctx context.Context) (*tls.Config, error) { return nil, fmt.Errorf("initialize certificate watcher: %w", err) } go certWatcher.Watch(ctx) + s.staticCertWatcher = certWatcher tlsConfig.GetCertificate = certWatcher.GetCertificate return tlsConfig, nil } @@ -1172,24 +1182,30 @@ func (s *Server) newManagementMappingWorker(ctx context.Context, client proto.Pr s.healthChecker.SetManagementConnected(false) } + connected := false + onConnected := func() { connected = true } + var streamErr error if syncSupported { - streamErr = s.trySyncMappings(ctx, client, &initialSyncDone) + streamErr = s.trySyncMappings(ctx, client, &initialSyncDone, onConnected) if isSyncUnimplemented(streamErr) { syncSupported = false s.Logger.Info("management does not support SyncMappings, falling back to GetMappingUpdate") - streamErr = s.tryGetMappingUpdate(ctx, client, &initialSyncDone) + streamErr = s.tryGetMappingUpdate(ctx, client, &initialSyncDone, onConnected) } } else { - streamErr = s.tryGetMappingUpdate(ctx, client, &initialSyncDone) + streamErr = s.tryGetMappingUpdate(ctx, client, &initialSyncDone, onConnected) } if s.healthChecker != nil { s.healthChecker.SetManagementConnected(false) } - // Stream established — reset backoff so the next failure retries quickly. - bo.Reset() + // Reset backoff only when a stream actually connected, so immediate + // connect failures still back off instead of spinning. + if connected { + bo.Reset() + } if streamErr == nil { return fmt.Errorf("stream closed by server") @@ -1221,7 +1237,7 @@ func (s *Server) proxyCapabilities() *proto.ProxyCapabilities { } } -func (s *Server) tryGetMappingUpdate(ctx context.Context, client proto.ProxyServiceClient, initialSyncDone *bool) error { +func (s *Server) tryGetMappingUpdate(ctx context.Context, client proto.ProxyServiceClient, initialSyncDone *bool, onConnected func()) error { connectTime := time.Now() mappingClient, err := client.GetMappingUpdate(ctx, &proto.GetMappingUpdateRequest{ ProxyId: s.ID, @@ -1234,6 +1250,7 @@ func (s *Server) tryGetMappingUpdate(ctx context.Context, client proto.ProxyServ return fmt.Errorf("create mapping stream: %w", err) } + onConnected() if s.healthChecker != nil { s.healthChecker.SetManagementConnected(true) } @@ -1242,7 +1259,7 @@ func (s *Server) tryGetMappingUpdate(ctx context.Context, client proto.ProxyServ return s.handleMappingStream(ctx, mappingClient, initialSyncDone, connectTime) } -func (s *Server) trySyncMappings(ctx context.Context, client proto.ProxyServiceClient, initialSyncDone *bool) error { +func (s *Server) trySyncMappings(ctx context.Context, client proto.ProxyServiceClient, initialSyncDone *bool, onConnected func()) error { connectTime := time.Now() stream, err := client.SyncMappings(ctx) if err != nil { @@ -1263,6 +1280,7 @@ func (s *Server) trySyncMappings(ctx context.Context, client proto.ProxyServiceC return fmt.Errorf("send sync init: %w", err) } + onConnected() if s.healthChecker != nil { s.healthChecker.SetManagementConnected(true) } @@ -1307,7 +1325,9 @@ func (s *Server) handleSyncMappingsStream(ctx context.Context, stream proto.Prox batchStart := time.Now() s.Logger.Debug("Received mapping update, starting processing") - s.processMappings(ctx, msg.GetMapping()) + if err := s.processMappingsGuarded(ctx, msg.GetMapping()); err != nil { + return err + } s.Logger.Debug("Processing mapping update completed") tracker.recordBatch(ctx, s, msg.GetMapping(), msg.GetInitialSyncComplete(), batchStart) @@ -1391,7 +1411,9 @@ func (s *Server) handleMappingStream(ctx context.Context, mappingClient proto.Pr batchStart := time.Now() s.Logger.Debug("Received mapping update, starting processing") - s.processMappings(ctx, msg.GetMapping()) + if err := s.processMappingsGuarded(ctx, msg.GetMapping()); err != nil { + return err + } s.Logger.Debug("Processing mapping update completed") tracker.recordBatch(ctx, s, msg.GetMapping(), msg.GetInitialSyncComplete(), batchStart) } @@ -1456,6 +1478,44 @@ func redactMappingForLog(m *proto.ProxyMapping) *proto.ProxyMapping { return c } +const defaultMappingBatchWatchdog = 2 * time.Minute + +// mappingBatchWatchdog returns the configured batch watchdog or the default. +func (s *Server) mappingBatchWatchdog() time.Duration { + if s.MappingBatchWatchdog > 0 { + return s.MappingBatchWatchdog + } + return defaultMappingBatchWatchdog +} + +// processMappingsGuarded applies a batch under a watchdog, returning an error +// if processing exceeds the watchdog so the caller reconnects and resyncs +// instead of wedging silently. +func (s *Server) processMappingsGuarded(ctx context.Context, mappings []*proto.ProxyMapping) error { + batchCtx, cancel := context.WithCancel(ctx) + defer cancel() + + done := make(chan struct{}) + go func() { + defer close(done) + s.processMappings(batchCtx, mappings) + }() + + watchdog := s.mappingBatchWatchdog() + timer := time.NewTimer(watchdog) + defer timer.Stop() + + select { + case <-done: + return nil + case <-ctx.Done(): + return ctx.Err() + case <-timer.C: + s.Logger.Errorf("processing mapping batch exceeded %s, cancelling and reconnecting to resync", watchdog) + return fmt.Errorf("mapping batch processing stalled after %s", watchdog) + } +} + func (s *Server) processMappings(ctx context.Context, mappings []*proto.ProxyMapping) { debug := s.Logger != nil && s.Logger.IsLevelEnabled(log.DebugLevel) for _, mapping := range mappings { @@ -1566,6 +1626,8 @@ func (s *Server) setupHTTPMapping(ctx context.Context, mapping *proto.ProxyMappi var wildcardHit bool if s.acme != nil { wildcardHit = s.acme.AddDomain(d, accountID, svcID) + } else { + wildcardHit = s.staticCertCovers(d) } httpRoute := nbtcp.Route{ Type: nbtcp.RouteHTTP, @@ -1590,6 +1652,26 @@ func (s *Server) setupHTTPMapping(ctx context.Context, mapping *proto.ProxyMappi return nil } +// staticCertCovers reports whether the static certificate loaded when ACME is +// disabled covers the given domain, making it certificate-ready immediately — +// the equivalent of a wildcard hit in the ACME path. Domains the certificate +// does not cover are logged: clients connecting to them will get TLS errors. +func (s *Server) staticCertCovers(d domain.Domain) bool { + if s.staticCertWatcher == nil { + return false + } + leaf := s.staticCertWatcher.Leaf() + if leaf == nil { + return false + } + name := d.PunycodeString() + if err := leaf.VerifyHostname(name); err != nil { + s.Logger.Warnf("static certificate (SANs %v) does not cover domain %q: %v", leaf.DNSNames, name, err) + return false + } + return true +} + // setupTCPMapping sets up a TCP port-forwarding fallback route on the listen port. func (s *Server) setupTCPMapping(ctx context.Context, mapping *proto.ProxyMapping) error { svcID := types.ServiceID(mapping.GetId()) @@ -1951,7 +2033,11 @@ func (s *Server) updateMapping(ctx context.Context, mapping *proto.ProxyMapping) func (s *Server) removeMapping(ctx context.Context, mapping *proto.ProxyMapping) { accountID := types.AccountID(mapping.GetAccountId()) svcKey := s.serviceKeyForMapping(mapping) - if err := s.netbird.RemovePeer(ctx, accountID, svcKey); err != nil { + removePeer := s.removePeer + if removePeer == nil { + removePeer = s.netbird.RemovePeer + } + if err := removePeer(ctx, accountID, svcKey); err != nil { s.Logger.WithFields(log.Fields{ "account_id": accountID, "service_id": mapping.GetId(), diff --git a/proxy/static_cert_test.go b/proxy/static_cert_test.go new file mode 100644 index 000000000..54d2b6485 --- /dev/null +++ b/proxy/static_cert_test.go @@ -0,0 +1,89 @@ +package proxy + +import ( + "crypto/ecdsa" + "crypto/elliptic" + "crypto/rand" + "crypto/x509" + "crypto/x509/pkix" + "encoding/pem" + "math/big" + "os" + "path/filepath" + "testing" + "time" + + "github.com/stretchr/testify/assert" + "github.com/stretchr/testify/require" + + "github.com/netbirdio/netbird/proxy/internal/certwatch" + "github.com/netbirdio/netbird/shared/management/domain" +) + +func generateCertWithSANs(t *testing.T, dnsNames []string) (certPEM, keyPEM []byte) { + t.Helper() + + key, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader) + require.NoError(t, err) + + template := &x509.Certificate{ + SerialNumber: big.NewInt(1), + Subject: pkix.Name{CommonName: dnsNames[0]}, + DNSNames: dnsNames, + NotBefore: time.Now().Add(-time.Hour), + NotAfter: time.Now().Add(24 * time.Hour), + } + + certDER, err := x509.CreateCertificate(rand.Reader, template, template, &key.PublicKey, key) + require.NoError(t, err) + certPEM = pem.EncodeToMemory(&pem.Block{Type: "CERTIFICATE", Bytes: certDER}) + + keyDER, err := x509.MarshalECPrivateKey(key) + require.NoError(t, err) + keyPEM = pem.EncodeToMemory(&pem.Block{Type: "EC PRIVATE KEY", Bytes: keyDER}) + + return certPEM, keyPEM +} + +func newStaticWatcher(t *testing.T, dnsNames []string) *certwatch.Watcher { + t.Helper() + + dir := t.TempDir() + certPEM, keyPEM := generateCertWithSANs(t, dnsNames) + certPath := filepath.Join(dir, "tls.crt") + keyPath := filepath.Join(dir, "tls.key") + require.NoError(t, os.WriteFile(certPath, certPEM, 0o600)) + require.NoError(t, os.WriteFile(keyPath, keyPEM, 0o600)) + + w, err := certwatch.NewWatcher(certPath, keyPath, quietLifecycleLogger()) + require.NoError(t, err) + return w +} + +func TestStaticCertCovers(t *testing.T) { + s := &Server{ + Logger: quietLifecycleLogger(), + staticCertWatcher: newStaticWatcher(t, []string{"*.p.example.com", "exact.example.com"}), + } + + cases := []struct { + domain string + covered bool + }{ + {"svc.p.example.com", true}, + {"exact.example.com", true}, + {"a.b.p.example.com", false}, // wildcard does not span labels + {"p.example.com", false}, + {"other.example.com", false}, + } + for _, tc := range cases { + t.Run(tc.domain, func(t *testing.T) { + assert.Equal(t, tc.covered, s.staticCertCovers(domain.Domain(tc.domain))) + }) + } +} + +func TestStaticCertCoversNoWatcher(t *testing.T) { + s := &Server{Logger: quietLifecycleLogger()} + assert.False(t, s.staticCertCovers(domain.Domain("svc.p.example.com"))) +} diff --git a/release_files/install.sh b/release_files/install.sh index 1e71936f3..a002de472 100755 --- a/release_files/install.sh +++ b/release_files/install.sh @@ -417,15 +417,30 @@ if type uname >/dev/null 2>&1; then # Check the availability of a compatible package manager if check_use_bin_variable; then PACKAGE_MANAGER="bin" + elif [ -e /run/ostree-booted ]; then + if [ -x "$(command -v rpm-ostree)" ]; then + PACKAGE_MANAGER="rpm-ostree" + echo "The installation will be performed using rpm-ostree package manager" + elif [ -x "$(command -v bootc)" ]; then + echo "Detected bootc system without rpm-ostree." >&2 + echo "NetBird cannot be installed via package manager on this system." >&2 + echo "Options:" >&2 + echo " 1. Install via Distrobox (instructions in the installation docs)" >&2 + echo " 2. Rebuild your base image with rpm-ostree included" >&2 + echo " 3. Bake NetBird into your Containerfile" >&2 + exit 1 + else + echo "Detected ostree-booted system without rpm-ostree or bootc." >&2 + echo "NetBird cannot be installed automatically on this atomic system." >&2 + echo "Please install NetBird by rebuilding your base image or use a supported package manager." >&2 + exit 1 + fi elif [ -x "$(command -v apt-get)" ]; then PACKAGE_MANAGER="apt" echo "The installation will be performed using apt package manager" elif [ -x "$(command -v dnf)" ]; then PACKAGE_MANAGER="dnf" echo "The installation will be performed using dnf package manager" - elif [ -x "$(command -v rpm-ostree)" ]; then - PACKAGE_MANAGER="rpm-ostree" - echo "The installation will be performed using rpm-ostree package manager" elif [ -x "$(command -v yum)" ]; then PACKAGE_MANAGER="yum" echo "The installation will be performed using yum package manager" diff --git a/shared/context/keys.go b/shared/context/keys.go index ca56be67e..3287a6366 100644 --- a/shared/context/keys.go +++ b/shared/context/keys.go @@ -6,4 +6,5 @@ const ( RoleKey = "role" UserIDKey = "userID" PeerIDKey = "peerID" + UserAgentKey = "userAgent" ) diff --git a/shared/management/client/client_test.go b/shared/management/client/client_test.go index 53f3a262d..b62317775 100644 --- a/shared/management/client/client_test.go +++ b/shared/management/client/client_test.go @@ -322,15 +322,21 @@ func TestClient_Sync(t *testing.T) { if resp.GetNetbirdConfig() == nil { t.Error("expecting non nil NetbirdConfig got nil") } - if len(resp.GetRemotePeers()) != 1 { - t.Errorf("expecting RemotePeers size %d got %d", 1, len(resp.GetRemotePeers())) + // we test network map peers from 0.29.3 and dev builds + if len(resp.GetRemotePeers()) != 0 { + t.Error("expecting top-level RemotePeers to be empty for v0.29.3+ clients") + } + networkMap := resp.GetNetworkMap() + if len(networkMap.GetRemotePeers()) != 1 { + t.Errorf("expecting RemotePeers size %d got %d", 1, len(networkMap.GetRemotePeers())) return } - if resp.GetRemotePeersIsEmpty() == true { + + if networkMap.GetRemotePeersIsEmpty() { t.Error("expecting RemotePeers property to be false, got true") } - if resp.GetRemotePeers()[0].GetWgPubKey() != remoteKey.PublicKey().String() { - t.Errorf("expecting RemotePeer public key %s got %s", remoteKey.PublicKey().String(), resp.GetRemotePeers()[0].GetWgPubKey()) + if networkMap.GetRemotePeers()[0].GetWgPubKey() != remoteKey.PublicKey().String() { + t.Errorf("expecting RemotePeer public key %s got %s", remoteKey.PublicKey().String(), networkMap.GetRemotePeers()[0].GetWgPubKey()) } case <-time.After(3 * time.Second): t.Error("timeout waiting for test to finish") diff --git a/shared/management/http/api/openapi.yml b/shared/management/http/api/openapi.yml index 03e30e6b7..f8c687b7b 100644 --- a/shared/management/http/api/openapi.yml +++ b/shared/management/http/api/openapi.yml @@ -5107,31 +5107,63 @@ components: responses: not_found: description: Resource not found + headers: + X-Request-Id: + $ref: '#/components/headers/X-Request-Id' content: { } validation_failed_simple: description: Validation failed + headers: + X-Request-Id: + $ref: '#/components/headers/X-Request-Id' content: { } bad_request: description: Bad Request + headers: + X-Request-Id: + $ref: '#/components/headers/X-Request-Id' content: { } internal_error: description: Internal Server Error + headers: + X-Request-Id: + $ref: '#/components/headers/X-Request-Id' content: { } validation_failed: description: Validation failed + headers: + X-Request-Id: + $ref: '#/components/headers/X-Request-Id' content: { } forbidden: description: Forbidden + headers: + X-Request-Id: + $ref: '#/components/headers/X-Request-Id' content: { } requires_authentication: description: Requires authentication + headers: + X-Request-Id: + $ref: '#/components/headers/X-Request-Id' content: { } conflict: description: Conflict + headers: + X-Request-Id: + $ref: '#/components/headers/X-Request-Id' content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' + headers: + X-Request-Id: + description: | + Unique identifier assigned to the request by the server and set on every + response. Useful for correlating client requests with server-side logs. + schema: + type: string + example: cot7r4n3l3vh3qj4qveg securitySchemes: BearerAuth: type: http diff --git a/shared/relay/client/client.go b/shared/relay/client/client.go index 1800bddb2..002b8d134 100644 --- a/shared/relay/client/client.go +++ b/shared/relay/client/client.go @@ -9,12 +9,14 @@ import ( "net/url" "strings" "sync" + "sync/atomic" "time" log "github.com/sirupsen/logrus" auth "github.com/netbirdio/netbird/shared/relay/auth/hmac" "github.com/netbirdio/netbird/shared/relay/client/dialer" + netErr "github.com/netbirdio/netbird/shared/relay/client/dialer/net" "github.com/netbirdio/netbird/shared/relay/healthcheck" "github.com/netbirdio/netbird/shared/relay/messages" ) @@ -172,6 +174,19 @@ type Client struct { stateSubscription *PeersStateSubscription mtu uint16 + + // transportFallback, when set, records datagram-too-large failures so a + // datagram-sized transport is avoided on subsequent connects. Shared via + // the manager. + transportFallback *transportFallback + // datagramFallbackTriggered guards a single fallback per connection so a + // burst of oversized datagrams triggers one reconnect, not many. + datagramFallbackTriggered atomic.Bool +} + +// SetTransportFallback wires the shared datagram-transport fallback tracker. +func (c *Client) SetTransportFallback(tf *transportFallback) { + c.transportFallback = tf } // NewClient creates a new client for the relay server. The client is not connected to the server until the Connect @@ -361,12 +376,13 @@ func (c *Client) Close() error { } func (c *Client) connect(ctx context.Context) (*RelayAddr, error) { - dialers := c.getDialers() + mode := transportModeFromEnv() + dialers := c.getDialers(mode) var conn net.Conn if c.serverIP.IsValid() { var err error - conn, err = c.dialRaceDirect(ctx, dialers) + conn, err = c.dialRaceDirect(ctx, mode, dialers) if err != nil { c.log.Infof("dial via server IP %s failed, falling back to FQDN: %v", c.serverIP, err) conn = nil @@ -375,6 +391,9 @@ func (c *Client) connect(ctx context.Context) (*RelayAddr, error) { if conn == nil { rd := dialer.NewRaceDial(c.log, dialer.DefaultConnectionTimeout, c.connectionURL, dialers...) + if mode.sequential() { + rd.WithSequential() + } var err error conn, err = rd.Dial(ctx) if err != nil { @@ -382,6 +401,7 @@ func (c *Client) connect(ctx context.Context) (*RelayAddr, error) { } } c.relayConn = conn + c.datagramFallbackTriggered.Store(false) instanceURL, err := c.handShake(ctx) if err != nil { @@ -396,7 +416,7 @@ func (c *Client) connect(ctx context.Context) (*RelayAddr, error) { } // dialRaceDirect dials c.serverIP, preserving the original FQDN as the TLS ServerName for SNI. -func (c *Client) dialRaceDirect(ctx context.Context, dialers []dialer.DialeFn) (net.Conn, error) { +func (c *Client) dialRaceDirect(ctx context.Context, mode TransportMode, dialers []dialer.DialeFn) (net.Conn, error) { directURL, serverName, err := substituteHost(c.connectionURL, c.serverIP) if err != nil { return nil, fmt.Errorf("substitute host: %w", err) @@ -406,6 +426,9 @@ func (c *Client) dialRaceDirect(ctx context.Context, dialers []dialer.DialeFn) ( rd := dialer.NewRaceDial(c.log, dialer.DefaultConnectionTimeout, directURL, dialers...). WithServerName(serverName) + if mode.sequential() { + rd.WithSequential() + } return rd.Dial(ctx) } @@ -631,13 +654,53 @@ func (c *Client) writeTo(containerRef *connContainer, dstID messages.PeerID, pay } // the write always return with 0 length because the underling does not support the size feedback. - _, err = c.relayConn.Write(msg) + conn := c.relayConn + _, err = conn.Write(msg) if err != nil { - c.log.Errorf("failed to write transport message: %s", err) + if errors.Is(err, netErr.ErrDatagramTooLarge) { + c.onDatagramTooLarge(conn, err) + } else { + c.log.Errorf("failed to write transport message: %s", err) + } } return len(payload), err } +// onDatagramTooLarge reacts to a datagram rejected as too large for the path. +// When a non-datagram transport is available, it records a fallback for this +// server and closes the connection so the reconnect avoids datagram-sized +// transports. A single fallback is triggered per connection regardless of how +// many oversized datagrams arrive. cause carries the datagram size and budget. +func (c *Client) onDatagramTooLarge(conn net.Conn, cause error) { + // Handle one oversized datagram per connection; a burst triggers a single + // fallback (and a single log line), not many. + if !c.datagramFallbackTriggered.CompareAndSwap(false, true) { + return + } + + // If the selected mode offers no non-datagram transport (e.g. pinned to a + // datagram-sized transport), reconnecting would just re-fail, so leave the + // connection up rather than loop. + if len(nonDatagramSized(c.baseDialers(transportModeFromEnv()))) == 0 { + c.log.Warnf("%s, but no non-datagram transport is available, not falling back", cause) + return + } + + // Without the shared tracker a reconnect would just select the same + // transport again and re-fail, so leave the connection up rather than loop. + if c.transportFallback == nil { + c.log.Debugf("%s, but no transport fallback configured, leaving connection up", cause) + return + } + + window := c.transportFallback.recordFailure(c.connectionURL) + c.log.Warnf("%s, avoiding datagram-sized transport for %s", cause, window) + + if err := conn.Close(); err != nil { + c.log.Debugf("close relay connection for transport fallback: %s", err) + } +} + func (c *Client) listenForStopEvents(ctx context.Context, hc *healthcheck.Receiver, conn net.Conn, internalStopFlag *internalStopFlag) { for { select { diff --git a/shared/relay/client/dialer/capability.go b/shared/relay/client/dialer/capability.go new file mode 100644 index 000000000..511cb2ac7 --- /dev/null +++ b/shared/relay/client/dialer/capability.go @@ -0,0 +1,18 @@ +package dialer + +// DatagramSized is implemented by dialers whose connections carry each write in +// a single datagram, so a write can be rejected when it exceeds the path's +// datagram budget (e.g. QUIC). Transports without this capability (e.g. +// WebSocket over TCP) impose no per-write size limit, so the relay client can +// fall back to them when a datagram-sized transport rejects a write as too +// large. The capability is advertised per dialer rather than hardcoded, so a +// new transport only needs to declare whether it is datagram-sized. +type DatagramSized interface { + DatagramSized() +} + +// IsDatagramSized reports whether d produces datagram-sized connections. +func IsDatagramSized(d DialeFn) bool { + _, ok := d.(DatagramSized) + return ok +} diff --git a/shared/relay/client/dialer/net/err.go b/shared/relay/client/dialer/net/err.go index fee844963..c622420dc 100644 --- a/shared/relay/client/dialer/net/err.go +++ b/shared/relay/client/dialer/net/err.go @@ -4,4 +4,9 @@ import "errors" var ( ErrClosedByServer = errors.New("closed by server") + + // ErrDatagramTooLarge is returned when a transport message exceeds the + // QUIC datagram size the path to the relay can carry. The relay client + // treats it as a signal to fall back to a non-datagram transport. + ErrDatagramTooLarge = errors.New("datagram frame too large") ) diff --git a/shared/relay/client/dialer/quic/conn.go b/shared/relay/client/dialer/quic/conn.go index 1d90d7139..a5c982551 100644 --- a/shared/relay/client/dialer/quic/conn.go +++ b/shared/relay/client/dialer/quic/conn.go @@ -8,7 +8,6 @@ import ( "time" "github.com/quic-go/quic-go" - log "github.com/sirupsen/logrus" netErr "github.com/netbirdio/netbird/shared/relay/client/dialer/net" ) @@ -52,11 +51,8 @@ func (c *Conn) Read(b []byte) (n int, err error) { } func (c *Conn) Write(b []byte) (int, error) { - err := c.session.SendDatagram(b) - if err != nil { - err = c.remoteCloseErrHandling(err) - log.Errorf("failed to write to QUIC stream: %v", err) - return 0, err + if err := c.session.SendDatagram(b); err != nil { + return 0, c.writeErrHandling(err, len(b)) } return len(b), nil } @@ -95,3 +91,15 @@ func (c *Conn) remoteCloseErrHandling(err error) error { } return err } + +// writeErrHandling normalizes SendDatagram errors. A datagram that exceeds the +// path's QUIC packet budget is mapped to ErrDatagramTooLarge (annotated with the +// datagram size and path budget) so the relay client can fall back to a +// non-datagram transport. +func (c *Conn) writeErrHandling(err error, size int) error { + var tooLarge *quic.DatagramTooLargeError + if errors.As(err, &tooLarge) { + return fmt.Errorf("%w: %d byte datagram over path budget %d", netErr.ErrDatagramTooLarge, size, tooLarge.MaxDatagramPayloadSize) + } + return c.remoteCloseErrHandling(err) +} diff --git a/shared/relay/client/dialer/quic/quic.go b/shared/relay/client/dialer/quic/quic.go index 86f6f178d..5e1758a1c 100644 --- a/shared/relay/client/dialer/quic/quic.go +++ b/shared/relay/client/dialer/quic/quic.go @@ -9,6 +9,7 @@ import ( "time" "github.com/quic-go/quic-go" + "github.com/quic-go/quic-go/logging" log "github.com/sirupsen/logrus" nbnet "github.com/netbirdio/netbird/client/net" @@ -23,6 +24,12 @@ func (d Dialer) Protocol() string { return Network } +// DatagramSized marks QUIC as a datagram-sized transport: relay traffic is +// carried in QUIC DATAGRAM frames, which must fit a single packet. +func (d Dialer) DatagramSized() { + // Intentional marker method; presence is the capability signal. +} + func (d Dialer) Dial(ctx context.Context, address, serverName string) (net.Conn, error) { quicURL, err := prepareURL(address) if err != nil { @@ -47,6 +54,7 @@ func (d Dialer) Dial(ctx context.Context, address, serverName string) (net.Conn, MaxIdleTimeout: 4 * time.Minute, EnableDatagrams: true, InitialPacketSize: nbRelay.QUICInitialPacketSize, + Tracer: connectionTracer(quicURL), } udpConn, err := nbnet.ListenUDP("udp", &net.UDPAddr{Port: 0}) @@ -74,6 +82,28 @@ func (d Dialer) Dial(ctx context.Context, address, serverName string) (net.Conn, return conn, nil } +// connectionTracer returns a QUIC tracer that logs the DPLPMTUD result and the +// reason a relay connection closed, so the path MTU settled on and teardown +// cause are visible in logs. Lines carry the relay address as a structured +// field, matching the rest of the relay client logging. +func connectionTracer(addr string) func(context.Context, logging.Perspective, quic.ConnectionID) *logging.ConnectionTracer { + relayLog := log.WithField("relay", addr) + return func(context.Context, logging.Perspective, quic.ConnectionID) *logging.ConnectionTracer { + return &logging.ConnectionTracer{ + UpdatedMTU: func(mtu logging.ByteCount, done bool) { + if done { + relayLog.Infof("QUIC path MTU settled at %d", mtu) + return + } + relayLog.Debugf("QUIC path MTU probing at %d", mtu) + }, + ClosedConnection: func(err error) { + relayLog.Debugf("QUIC connection closed: %v", err) + }, + } + } +} + func prepareURL(address string) (string, error) { var host string var defaultPort string diff --git a/shared/relay/client/dialer/race_dialer.go b/shared/relay/client/dialer/race_dialer.go index 15208b858..aef1ef464 100644 --- a/shared/relay/client/dialer/race_dialer.go +++ b/shared/relay/client/dialer/race_dialer.go @@ -32,6 +32,7 @@ type RaceDial struct { serverName string dialerFns []DialeFn connectionTimeout time.Duration + sequential bool } func NewRaceDial(log *log.Entry, connectionTimeout time.Duration, serverURL string, dialerFns ...DialeFn) *RaceDial { @@ -53,7 +54,21 @@ func (r *RaceDial) WithServerName(serverName string) *RaceDial { return r } +// WithSequential makes Dial try the dialers in order, falling back to the next +// only when one fails to connect, instead of racing them concurrently. +// +// Mutates the receiver and is not safe for concurrent reconfiguration; a +// RaceDial is intended to be constructed per dial and discarded. +func (r *RaceDial) WithSequential() *RaceDial { + r.sequential = true + return r +} + func (r *RaceDial) Dial(ctx context.Context) (net.Conn, error) { + if r.sequential { + return r.dialSequential(ctx) + } + connChan := make(chan dialResult, len(r.dialerFns)) winnerConn := make(chan net.Conn, 1) abortCtx, abort := context.WithCancel(ctx) @@ -72,6 +87,30 @@ func (r *RaceDial) Dial(ctx context.Context) (net.Conn, error) { return conn, nil } +// dialSequential tries each dialer in order, returning the first connection and +// falling back to the next on failure. +func (r *RaceDial) dialSequential(ctx context.Context) (net.Conn, error) { + for _, dfn := range r.dialerFns { + if err := ctx.Err(); err != nil { + return nil, err + } + attemptCtx, cancel := context.WithTimeout(ctx, r.connectionTimeout) + r.log.Infof("dialing Relay server via %s", dfn.Protocol()) + conn, err := dfn.Dial(attemptCtx, r.serverURL, r.serverName) + cancel() + if err != nil { + if errors.Is(err, context.Canceled) { + return nil, err + } + r.log.Errorf("failed to dial via %s: %s", dfn.Protocol(), err) + continue + } + r.log.Infof("successfully dialed via: %s", dfn.Protocol()) + return conn, nil + } + return nil, errors.New("failed to dial to Relay server on any protocol") +} + func (r *RaceDial) dial(dfn DialeFn, abortCtx context.Context, connChan chan dialResult) { ctx, cancel := context.WithTimeout(abortCtx, r.connectionTimeout) defer cancel() diff --git a/shared/relay/client/dialer/race_dialer_test.go b/shared/relay/client/dialer/race_dialer_test.go index a53edc00e..bd2f4bb85 100644 --- a/shared/relay/client/dialer/race_dialer_test.go +++ b/shared/relay/client/dialer/race_dialer_test.go @@ -250,3 +250,66 @@ func TestRaceDialFirstSuccessfulDialerWins(t *testing.T) { } } } + +func TestRaceDialSequentialFallback(t *testing.T) { + logger := logrus.NewEntry(logrus.New()) + serverURL := "test.server.com" + + var firstDialed, secondDialed bool + preferred := &MockDialer{ + protocolStr: "quic", + dialFunc: func(ctx context.Context, address string) (net.Conn, error) { + firstDialed = true + return nil, errors.New("quic unreachable") + }, + } + fallbackConn := &MockConn{remoteAddr: &MockAddr{network: "ws"}} + fallback := &MockDialer{ + protocolStr: "ws", + dialFunc: func(ctx context.Context, address string) (net.Conn, error) { + secondDialed = true + return fallbackConn, nil + }, + } + + rd := NewRaceDial(logger, DefaultConnectionTimeout, serverURL, preferred, fallback).WithSequential() + conn, err := rd.Dial(context.Background()) + if err != nil { + t.Fatalf("expected fallback to succeed, got %v", err) + } + if conn != fallbackConn { + t.Errorf("expected fallback connection, got %v", conn) + } + if !firstDialed || !secondDialed { + t.Errorf("expected both dialers attempted in order, first=%v second=%v", firstDialed, secondDialed) + } +} + +func TestRaceDialSequentialPreferredWins(t *testing.T) { + logger := logrus.NewEntry(logrus.New()) + serverURL := "test.server.com" + + preferredConn := &MockConn{remoteAddr: &MockAddr{network: "quic"}} + preferred := &MockDialer{ + protocolStr: "quic", + dialFunc: func(ctx context.Context, address string) (net.Conn, error) { + return preferredConn, nil + }, + } + fallback := &MockDialer{ + protocolStr: "ws", + dialFunc: func(ctx context.Context, address string) (net.Conn, error) { + t.Errorf("fallback dialer must not be tried when preferred succeeds") + return nil, errors.New("should not happen") + }, + } + + rd := NewRaceDial(logger, DefaultConnectionTimeout, serverURL, preferred, fallback).WithSequential() + conn, err := rd.Dial(context.Background()) + if err != nil { + t.Fatalf("expected preferred to succeed, got %v", err) + } + if conn != preferredConn { + t.Errorf("expected preferred connection, got %v", conn) + } +} diff --git a/shared/relay/client/dialers_generic.go b/shared/relay/client/dialers_generic.go index a8ed79961..95e319338 100644 --- a/shared/relay/client/dialers_generic.go +++ b/shared/relay/client/dialers_generic.go @@ -9,11 +9,42 @@ import ( "github.com/netbirdio/netbird/shared/relay/client/dialer/ws" ) -// getDialers returns the list of dialers to use for connecting to the relay server. -func (c *Client) getDialers() []dialer.DialeFn { - if c.mtu > 0 && c.mtu > iface.DefaultMTU { - c.log.Infof("MTU %d exceeds default (%d), forcing WebSocket transport to avoid DATAGRAM frame size issues", c.mtu, iface.DefaultMTU) - return []dialer.DialeFn{ws.Dialer{}} +// getDialers returns the ordered dialers for connecting to the relay server. It +// applies the datagram fallback generically: if this server recently rejected a +// datagram-sized transport, those dialers are dropped, leaving the rest. +func (c *Client) getDialers(mode TransportMode) []dialer.DialeFn { + dialers := c.baseDialers(mode) + + if c.transportFallback != nil && c.transportFallback.avoidDatagramSized(c.connectionURL) { + if filtered := nonDatagramSized(dialers); len(filtered) > 0 { + c.log.Infof("relay recently rejected a datagram-sized transport, avoiding it") + return filtered + } } - return []dialer.DialeFn{quic.Dialer{}, ws.Dialer{}} + return dialers +} + +// baseDialers returns the ordered dialers for the mode, before any datagram +// fallback filtering. For racing modes (auto) the order is irrelevant; for +// prefer modes the first entry is tried before falling back to the second. +func (c *Client) baseDialers(mode TransportMode) []dialer.DialeFn { + switch mode { + case TransportModeWS: + c.log.Infof("%s=ws, using WebSocket transport", EnvRelayTransport) + return []dialer.DialeFn{ws.Dialer{}} + case TransportModeQUIC: + c.log.Infof("%s=quic, using QUIC transport", EnvRelayTransport) + return []dialer.DialeFn{quic.Dialer{}} + } + + all := []dialer.DialeFn{quic.Dialer{}, ws.Dialer{}} + if mode == TransportModePreferWS { + all = []dialer.DialeFn{ws.Dialer{}, quic.Dialer{}} + } + + if c.mtu > 0 && c.mtu > iface.DefaultMTU { + c.log.Infof("MTU %d exceeds default (%d), avoiding datagram-sized transports", c.mtu, iface.DefaultMTU) + return nonDatagramSized(all) + } + return all } diff --git a/shared/relay/client/dialers_generic_test.go b/shared/relay/client/dialers_generic_test.go new file mode 100644 index 000000000..c4ef9cc59 --- /dev/null +++ b/shared/relay/client/dialers_generic_test.go @@ -0,0 +1,101 @@ +//go:build !js + +package client + +import ( + "os" + "testing" + + log "github.com/sirupsen/logrus" + "github.com/stretchr/testify/assert" + + "github.com/netbirdio/netbird/client/iface" + "github.com/netbirdio/netbird/shared/relay/client/dialer" + netErr "github.com/netbirdio/netbird/shared/relay/client/dialer/net" + "github.com/netbirdio/netbird/shared/relay/client/dialer/quic" + "github.com/netbirdio/netbird/shared/relay/client/dialer/ws" +) + +// TestDatagramSizedCapability locks the capability the generic fallback relies +// on: QUIC is datagram-sized, WebSocket is not. +func TestDatagramSizedCapability(t *testing.T) { + assert.True(t, dialer.IsDatagramSized(quic.Dialer{}), "QUIC must advertise datagram-sized") + assert.False(t, dialer.IsDatagramSized(ws.Dialer{}), "WebSocket must not advertise datagram-sized") +} + +func protocols(dialers []dialer.DialeFn) []string { + out := make([]string, len(dialers)) + for i, d := range dialers { + out[i] = d.Protocol() + } + return out +} + +func TestGetDialers(t *testing.T) { + const url = "rels://relay.example:443" + + tests := []struct { + name string + mode string + mtu uint16 + preferWS bool + want []string + }{ + {name: "auto races quic and ws", mode: "auto", mtu: iface.DefaultMTU, want: []string{"quic", "WS"}}, + {name: "ws pinned", mode: "ws", mtu: iface.DefaultMTU, want: []string{"WS"}}, + {name: "quic pinned", mode: "quic", mtu: iface.DefaultMTU, want: []string{"quic"}}, + {name: "prefer-quic orders quic first", mode: "prefer-quic", mtu: iface.DefaultMTU, want: []string{"quic", "WS"}}, + {name: "prefer-ws orders ws first", mode: "prefer-ws", mtu: iface.DefaultMTU, want: []string{"WS", "quic"}}, + {name: "mtu above default forces ws", mode: "auto", mtu: iface.DefaultMTU + 100, want: []string{"WS"}}, + {name: "sticky fallback forces ws in auto", mode: "auto", mtu: iface.DefaultMTU, preferWS: true, want: []string{"WS"}}, + {name: "sticky fallback forces ws in prefer-quic", mode: "prefer-quic", mtu: iface.DefaultMTU, preferWS: true, want: []string{"WS"}}, + {name: "quic pin overrides sticky fallback", mode: "quic", mtu: iface.DefaultMTU, preferWS: true, want: []string{"quic"}}, + } + + for _, tc := range tests { + t.Run(tc.name, func(t *testing.T) { + t.Setenv(EnvRelayTransport, tc.mode) + if tc.mode == "" { + os.Unsetenv(EnvRelayTransport) + } + + tf := newTransportFallback() + if tc.preferWS { + tf.recordFailure(url) + } + + c := &Client{ + log: log.WithField("test", t.Name()), + connectionURL: url, + mtu: tc.mtu, + transportFallback: tf, + } + + assert.Equal(t, tc.want, protocols(c.getDialers(transportModeFromEnv()))) + }) + } +} + +// TestStickyFallbackAfterDatagramTooLarge verifies the full chain: an oversized +// datagram records a fallback that makes the next dial pick WebSocket, the way a +// reconnect would after the connection is closed. +func TestStickyFallbackAfterDatagramTooLarge(t *testing.T) { + const url = "rels://relay.example:443" + t.Setenv(EnvRelayTransport, string(TransportModeAuto)) + + c := &Client{ + log: log.WithField("test", t.Name()), + connectionURL: url, + mtu: iface.DefaultMTU, + transportFallback: newTransportFallback(), + } + + // First dial races both transports. + assert.Equal(t, []string{"quic", "WS"}, protocols(c.getDialers(transportModeFromEnv()))) + + // An oversized datagram records the fallback for this server. + c.onDatagramTooLarge(&closeTrackingConn{}, netErr.ErrDatagramTooLarge) + + // The reconnect now sticks to WebSocket. + assert.Equal(t, []string{"WS"}, protocols(c.getDialers(transportModeFromEnv()))) +} diff --git a/shared/relay/client/dialers_js.go b/shared/relay/client/dialers_js.go index 6bd0e6696..c93787729 100644 --- a/shared/relay/client/dialers_js.go +++ b/shared/relay/client/dialers_js.go @@ -7,7 +7,11 @@ import ( "github.com/netbirdio/netbird/shared/relay/client/dialer/ws" ) -func (c *Client) getDialers() []dialer.DialeFn { +func (c *Client) getDialers(_ TransportMode) []dialer.DialeFn { // JS/WASM build only uses WebSocket transport return []dialer.DialeFn{ws.Dialer{}} } + +func (c *Client) baseDialers(_ TransportMode) []dialer.DialeFn { + return []dialer.DialeFn{ws.Dialer{}} +} diff --git a/shared/relay/client/manager.go b/shared/relay/client/manager.go index 3858b3c83..f87da15de 100644 --- a/shared/relay/client/manager.go +++ b/shared/relay/client/manager.go @@ -79,23 +79,30 @@ type Manager struct { cleanupInterval time.Duration keepUnusedServerTime time.Duration + + // transportFallback is shared across home and foreign relay clients so a + // datagram-too-large failure makes that server avoid datagram-sized transports across reconnects. + transportFallback *transportFallback } // NewManager creates a new manager instance. // The serverURL address can be empty. In this case, the manager will not serve. func NewManager(ctx context.Context, serverURLs []string, peerID string, mtu uint16, opts ...ManagerOption) *Manager { tokenStore := &relayAuth.TokenStore{} + tf := newTransportFallback() m := &Manager{ - ctx: ctx, - peerID: peerID, - tokenStore: tokenStore, - mtu: mtu, + ctx: ctx, + peerID: peerID, + tokenStore: tokenStore, + mtu: mtu, + transportFallback: tf, serverPicker: &ServerPicker{ TokenStore: tokenStore, PeerID: peerID, MTU: mtu, ConnectionTimeout: defaultConnectionTimeout, + TransportFallback: tf, }, relayClients: make(map[string]*RelayTrack), onDisconnectedListeners: make(map[string]*list.List), @@ -287,6 +294,7 @@ func (m *Manager) openConnVia(ctx context.Context, serverAddress, peerKey string m.relayClientsMutex.Unlock() relayClient := NewClientWithServerIP(serverAddress, serverIP, m.tokenStore, m.peerID, m.mtu) + relayClient.SetTransportFallback(m.transportFallback) err := relayClient.Connect(m.ctx) if err != nil { rt.err = err diff --git a/shared/relay/client/picker.go b/shared/relay/client/picker.go index 39d0ba072..992e48114 100644 --- a/shared/relay/client/picker.go +++ b/shared/relay/client/picker.go @@ -29,6 +29,7 @@ type ServerPicker struct { PeerID string MTU uint16 ConnectionTimeout time.Duration + TransportFallback *transportFallback } func (sp *ServerPicker) PickServer(parentCtx context.Context) (*Client, error) { @@ -70,6 +71,7 @@ func (sp *ServerPicker) PickServer(parentCtx context.Context) (*Client, error) { func (sp *ServerPicker) startConnection(ctx context.Context, resultChan chan connResult, url string) { log.Infof("try to connecting to relay server: %s", url) relayClient := NewClient(url, sp.TokenStore, sp.PeerID, sp.MTU) + relayClient.SetTransportFallback(sp.TransportFallback) err := relayClient.Connect(ctx) resultChan <- connResult{ RelayClient: relayClient, diff --git a/shared/relay/client/transport.go b/shared/relay/client/transport.go new file mode 100644 index 000000000..002707401 --- /dev/null +++ b/shared/relay/client/transport.go @@ -0,0 +1,129 @@ +package client + +import ( + "os" + "strings" + "sync" + "time" + + log "github.com/sirupsen/logrus" + + "github.com/netbirdio/netbird/shared/relay/client/dialer" +) + +// EnvRelayTransport pins the relay transport. Valid values: "auto" (default, +// race QUIC and WebSocket), "quic" (QUIC only), "ws" (WebSocket only), +// "prefer-quic" / "prefer-ws" (try the preferred transport first, fall back to +// the other only if it fails to connect; no race). The prefer modes trade a +// slower connect when the preferred transport is blackholed for deterministic +// transport selection. +const EnvRelayTransport = "NB_RELAY_TRANSPORT" + +const ( + // transportFallbackBase is the initial window a relay server avoids + // datagram-sized transports after a datagram is rejected as too large. + transportFallbackBase = 10 * time.Minute + // transportFallbackMax caps the pinned window when failures repeat. + transportFallbackMax = 60 * time.Minute +) + +// TransportMode selects which relay dialers are used. +type TransportMode string + +const ( + TransportModeAuto TransportMode = "auto" + TransportModeQUIC TransportMode = "quic" + TransportModeWS TransportMode = "ws" + TransportModePreferQUIC TransportMode = "prefer-quic" + TransportModePreferWS TransportMode = "prefer-ws" +) + +// transportModeFromEnv reads EnvRelayTransport, defaulting to auto for an empty +// or unrecognized value. +func transportModeFromEnv() TransportMode { + switch TransportMode(strings.ToLower(strings.TrimSpace(os.Getenv(EnvRelayTransport)))) { + case "", TransportModeAuto: + return TransportModeAuto + case TransportModeQUIC: + return TransportModeQUIC + case TransportModeWS: + return TransportModeWS + case TransportModePreferQUIC: + return TransportModePreferQUIC + case TransportModePreferWS: + return TransportModePreferWS + default: + log.Warnf("invalid %s value %q, using %q", EnvRelayTransport, os.Getenv(EnvRelayTransport), TransportModeAuto) + return TransportModeAuto + } +} + +// sequential reports whether the mode tries dialers in order with fallback +// instead of racing them concurrently. +func (m TransportMode) sequential() bool { + return m == TransportModePreferQUIC || m == TransportModePreferWS +} + +// transportFallback tracks relay servers that have rejected a datagram-sized +// transport (a write too large for the path) and should temporarily avoid such +// transports. It is shared across the relay manager so the preference survives +// client recreation (foreign relay clients are evicted and rebuilt on +// disconnect). Entries are keyed by server URL and expire after a window that +// grows on repeated failures. +type transportFallback struct { + mu sync.Mutex + entries map[string]*fallbackEntry +} + +type fallbackEntry struct { + until time.Time + duration time.Duration +} + +func newTransportFallback() *transportFallback { + return &transportFallback{entries: make(map[string]*fallbackEntry)} +} + +// avoidDatagramSized reports whether serverURL is currently within a window +// where datagram-sized transports should be avoided. +func (f *transportFallback) avoidDatagramSized(serverURL string) bool { + f.mu.Lock() + defer f.mu.Unlock() + e := f.entries[serverURL] + return e != nil && time.Now().Before(e.until) +} + +// recordFailure makes serverURL avoid datagram-sized transports for a window: +// transportFallbackBase on the first failure, doubling up to transportFallbackMax +// when a datagram transport fails again after a previous window expired. It +// returns the active window duration. +func (f *transportFallback) recordFailure(serverURL string) time.Duration { + f.mu.Lock() + defer f.mu.Unlock() + + now := time.Now() + e := f.entries[serverURL] + switch { + case e == nil: + e = &fallbackEntry{duration: transportFallbackBase} + f.entries[serverURL] = e + case now.Before(e.until): + return time.Until(e.until) + default: + e.duration = min(e.duration*2, transportFallbackMax) + } + e.until = now.Add(e.duration) + return e.duration +} + +// nonDatagramSized returns the dialers from in that are not datagram-sized, +// preserving order. +func nonDatagramSized(in []dialer.DialeFn) []dialer.DialeFn { + out := make([]dialer.DialeFn, 0, len(in)) + for _, d := range in { + if !dialer.IsDatagramSized(d) { + out = append(out, d) + } + } + return out +} diff --git a/shared/relay/client/transport_test.go b/shared/relay/client/transport_test.go new file mode 100644 index 000000000..8e10c8d42 --- /dev/null +++ b/shared/relay/client/transport_test.go @@ -0,0 +1,140 @@ +package client + +import ( + "net" + "os" + "testing" + "time" + + log "github.com/sirupsen/logrus" + "github.com/stretchr/testify/assert" + "github.com/stretchr/testify/require" + + netErr "github.com/netbirdio/netbird/shared/relay/client/dialer/net" +) + +// closeTrackingConn records whether Close was called; only Close is exercised. +type closeTrackingConn struct { + net.Conn + closed bool +} + +func (c *closeTrackingConn) Close() error { + c.closed = true + return nil +} + +func TestTransportModeFromEnv(t *testing.T) { + tests := []struct { + value string + want TransportMode + }{ + {"", TransportModeAuto}, + {"auto", TransportModeAuto}, + {"quic", TransportModeQUIC}, + {"QUIC", TransportModeQUIC}, + {"ws", TransportModeWS}, + {" Ws ", TransportModeWS}, + {"prefer-quic", TransportModePreferQUIC}, + {"prefer-ws", TransportModePreferWS}, + {"garbage", TransportModeAuto}, + } + + for _, tc := range tests { + t.Run(tc.value, func(t *testing.T) { + t.Setenv(EnvRelayTransport, tc.value) + if tc.value == "" { + os.Unsetenv(EnvRelayTransport) + } + assert.Equal(t, tc.want, transportModeFromEnv()) + }) + } +} + +func TestTransportFallbackRecordAndExpiry(t *testing.T) { + const url = "rels://relay.example:443" + f := newTransportFallback() + + assert.False(t, f.avoidDatagramSized(url), "no fallback recorded yet") + + d := f.recordFailure(url) + assert.Equal(t, transportFallbackBase, d, "first failure pins for the base window") + assert.True(t, f.avoidDatagramSized(url), "datagram-sized transport avoided within the window") + + // A second failure while still inside the window must not grow the window. + d = f.recordFailure(url) + assert.LessOrEqual(t, d, transportFallbackBase, "still within the active window") + require.NotNil(t, f.entries[url]) + assert.Equal(t, transportFallbackBase, f.entries[url].duration, "duration unchanged inside window") + + // Expire the window: datagram-sized transport allowed again. + f.entries[url].until = time.Now().Add(-time.Second) + assert.False(t, f.avoidDatagramSized(url), "window expired, datagram-sized transport allowed") +} + +func TestTransportFallbackGrowsOnRepeat(t *testing.T) { + const url = "rels://relay.example:443" + f := newTransportFallback() + + want := transportFallbackBase + for i := range 6 { + d := f.recordFailure(url) + assert.Equal(t, want, d, "window after %d expiries", i) + + // expire the window so the next failure is treated as a repeat + f.entries[url].until = time.Now().Add(-time.Second) + + want = min(want*2, transportFallbackMax) + } + + assert.Equal(t, transportFallbackMax, f.entries[url].duration, "window caps at the max") +} + +func TestOnDatagramTooLargeAuto(t *testing.T) { + const url = "rels://relay.example:443" + t.Setenv(EnvRelayTransport, string(TransportModeAuto)) + + tf := newTransportFallback() + c := &Client{ + log: log.WithField("test", t.Name()), + connectionURL: url, + transportFallback: tf, + } + conn := &closeTrackingConn{} + + c.onDatagramTooLarge(conn, netErr.ErrDatagramTooLarge) + + assert.True(t, conn.closed, "connection closed to force reconnect") + assert.True(t, tf.avoidDatagramSized(url), "fallback recorded for the server") + + // A second oversized datagram on the same connection must not re-close. + conn.closed = false + c.onDatagramTooLarge(conn, netErr.ErrDatagramTooLarge) + assert.False(t, conn.closed, "single fallback per connection") +} + +func TestOnDatagramTooLargeQUICPinned(t *testing.T) { + const url = "rels://relay.example:443" + t.Setenv(EnvRelayTransport, string(TransportModeQUIC)) + + tf := newTransportFallback() + c := &Client{ + log: log.WithField("test", t.Name()), + connectionURL: url, + transportFallback: tf, + } + conn := &closeTrackingConn{} + + c.onDatagramTooLarge(conn, netErr.ErrDatagramTooLarge) + + assert.False(t, conn.closed, "QUIC pin keeps the connection, no fallback redial") + assert.False(t, tf.avoidDatagramSized(url), "QUIC pin records no fallback") +} + +func TestTransportFallbackPerServer(t *testing.T) { + f := newTransportFallback() + f.recordFailure("rels://a.example:443") + + assert.True(t, f.avoidDatagramSized("rels://a.example:443")) + assert.False(t, f.avoidDatagramSized("rels://b.example:443"), "fallback is scoped to one server") +}