Enforce reverse proxy group access before minting and when honouring a session cookie

client/android/client.go

@@ -26,8 +26,6 @@ import (
 	"github.com/netbirdio/netbird/client/internal/routemanager"
 	"github.com/netbirdio/netbird/client/internal/stdnet"
 	"github.com/netbirdio/netbird/client/net"
-	"github.com/netbirdio/netbird/client/netstate"
-	"github.com/netbirdio/netbird/client/netsweep"
 	"github.com/netbirdio/netbird/client/system"
 	"github.com/netbirdio/netbird/formatter"
 	"github.com/netbirdio/netbird/route"
@@ -42,6 +40,11 @@ const (
 	AnonymizeLevelStrict  = nbAnonymize.LevelStrictString
 )
 
+// ConnectionListener export internal Listener for mobile
+type ConnectionListener interface {
+	peer.Listener
+}
+
 // TunAdapter export internal TunAdapter for mobile
 type TunAdapter interface {
 	device.TunAdapter
@@ -82,13 +85,6 @@ type Client struct {
 	deviceName            string
 	uiVersion             string
 	networkChangeListener listener.NetworkChangeListener
-	// netState outlives engine restarts: it mirrors the OS connectivity, not
-	// the engine lifecycle. Run and RunWithoutLogin inject it into each new
-	// ConnectClient, which distributes it to every reconnection loop.
-	netState *netstate.State
-
-	// sweeper also outlives engine restarts; NotifyNetworkChange sweeps it.
-	sweeper *netsweep.Sweeper
 
 	stateMu       sync.RWMutex
 	connectClient *internal.ConnectClient
@@ -152,7 +148,6 @@ func NewClient(androidSDKVersion int, deviceName string, uiVersion string, tunAd
 	execWorkaround(androidSDKVersion)
 
 	net.SetAndroidProtectSocketFn(tunAdapter.ProtectSocket)
-	system.SetIFaceDiscover(iFaceDiscover)
 	return &Client{
 		deviceName:            deviceName,
 		uiVersion:             uiVersion,
@@ -161,8 +156,6 @@ func NewClient(androidSDKVersion int, deviceName string, uiVersion string, tunAd
 		recorder:              peer.NewRecorder(""),
 		ctxCancelLock:         &sync.Mutex{},
 		networkChangeListener: networkChangeListener,
-		netState:              netstate.New(),
-		sweeper:               netsweep.New(),
 	}
 }
 
@@ -203,8 +196,7 @@ func (c *Client) Run(platformFiles PlatformFiles, urlOpener URLOpener, isAndroid
 	}
 	// todo do not throw error in case of cancelled context
 	ctx = internal.CtxInitState(ctx)
-	connectClient := internal.NewConnectClient(ctx, cfg, c.recorder,
-		internal.WithNetworkState(c.netState), internal.WithSweeper(c.sweeper))
+	connectClient := internal.NewConnectClient(ctx, cfg, c.recorder)
 	c.setState(cfg, cacheDir, cfgFile, connectClient)
 	// This path runs the interactive SSO flow, so reaching here means the peer
 	// is authenticated again — release the latch Status() reports from. Clear
@@ -245,8 +237,7 @@ func (c *Client) RunWithoutLogin(platformFiles PlatformFiles, dns *DNSList, dnsR
 
 	// todo do not throw error in case of cancelled context
 	ctx = internal.CtxInitState(ctx)
-	connectClient := internal.NewConnectClient(ctx, cfg, c.recorder,
-		internal.WithNetworkState(c.netState), internal.WithSweeper(c.sweeper))
+	connectClient := internal.NewConnectClient(ctx, cfg, c.recorder)
 	c.setState(cfg, cacheDir, cfgFile, connectClient)
 	return connectClient.RunOnAndroid(c.tunAdapter, c.iFaceDiscover, c.networkChangeListener, slices.Clone(dns.items), dnsReadyListener, stateFile, cacheDir)
 }
@@ -294,24 +285,6 @@ func (c *Client) GetTunSettings() (*TunSettings, error) {
 	}, nil
 }
 
-// SetNetworkAvailable feeds OS-reported network availability into the client.
-// While unavailable, the internal reconnect loops suspend their attempts and
-// the connection listener reports NoNetwork instead of Connecting; when
-// availability returns, the loops resume immediately with a fresh backoff.
-func (c *Client) SetNetworkAvailable(available bool) {
-	c.netState.Set(available)
-	c.recorder.SetNetworkAvailable(available)
-}
-
-// NotifyNetworkChange marks the management, signal and relay connections
-// stale after the OS switched networks and schedules a sweep that cuts
-// whatever has not redialed on the new network by then. The engine and the
-// TUN device stay untouched.
-func (c *Client) NotifyNetworkChange() {
-	c.sweeper.MarkNetworkChange()
-	log.Infof("network change: connections marked stale")
-}
-
 // DebugBundle generates a debug bundle, uploads it, and returns the upload key.
 // It works both with and without a running engine. anonymizeLevel is "default"
 // or "strict"; strict also anonymizes internal IP ranges, peer names, and
@@ -552,11 +525,7 @@ func (c *Client) OnUpdatedHostDNS(list *DNSList) error {
 
 // SetConnectionListener set the network connection listener
 func (c *Client) SetConnectionListener(listener ConnectionListener) {
-	if listener == nil {
-		c.recorder.RemoveConnectionListener()
-		return
-	}
-	c.recorder.SetConnectionListener(connectionListenerAdapter{listener})
+	c.recorder.SetConnectionListener(listener)
 }
 
 // RemoveConnectionListener remove connection listener

client/android/connection_listener.go

@@ -1,41 +0,0 @@
-//go:build android
-
-package android
-
-import (
-	"github.com/netbirdio/netbird/client/internal/peer"
-)
-
-// Client state values delivered via ConnectionListener.OnStateChanged,
-// re-exported as basic constants so gomobile emits them into the generated
-// Java bindings. They mirror peer.ClientState*: append-only, never reorder.
-const (
-	ClientStateDisconnected  = int(peer.ClientStateDisconnected)
-	ClientStateConnected     = int(peer.ClientStateConnected)
-	ClientStateConnecting    = int(peer.ClientStateConnecting)
-	ClientStateDisconnecting = int(peer.ClientStateDisconnecting)
-	ClientStateNoNetwork     = int(peer.ClientStateNoNetwork)
-)
-
-// ConnectionListener export internal Listener for mobile. It mirrors
-// peer.Listener with OnStateChanged taking a plain int (one of the
-// ClientState* constants), because gomobile cannot bind named types.
-type ConnectionListener interface {
-	OnStateChanged(state int)
-	OnConnected()
-	OnDisconnected()
-	OnConnecting()
-	OnDisconnecting()
-	OnAddressChanged(string, string)
-	OnPeersListChanged(int)
-}
-
-// connectionListenerAdapter adapts the gomobile-facing ConnectionListener to
-// peer.Listener, converting the typed state to the int the binding carries.
-type connectionListenerAdapter struct {
-	ConnectionListener
-}
-
-func (a connectionListenerAdapter) OnStateChanged(state peer.ClientState) {
-	a.ConnectionListener.OnStateChanged(int(state))
-}

client/android/login.go

@@ -191,49 +191,40 @@ func (a *Auth) login(urlOpener URLOpener, isAndroidTV bool) error {
 	return nil
 }
 
+// loginHintSetter is implemented by both concrete flows (PKCE and device code)
+// but absent from the OAuthFlow interface, hence the assertion below — the same
+// way internal/auth wires it in authenticateWithPKCEFlow.
+type loginHintSetter interface {
+	SetLoginHint(hint string)
+}
+
 func (a *Auth) foregroundGetTokenInfo(authClient *auth.Auth, urlOpener URLOpener, isAndroidTV bool) (*auth.TokenInfo, error) {
-	oAuthFlow, err := authClient.GetOAuthFlow(a.ctx, isAndroidTV, profileLoginHint(a.cfgPath))
+	oAuthFlow, err := authClient.GetOAuthFlow(a.ctx, isAndroidTV)
 	if err != nil {
 		return nil, fmt.Errorf("failed to get OAuth flow: %v", err)
 	}
 
-	return runOAuthFlow(a.ctx, oAuthFlow, urlOpener, nil)
-}
-
-// profileLoginHint returns the stored account email for the profile at cfgPath.
-// An empty hint is deliberate, not a fallback: a fresh profile leaves the
-// choice to the IdP. Switching accounts is done by switching or removing
-// profiles, not by logging out — logout keeps the email.
-func profileLoginHint(cfgPath string) string {
-	if cfgPath == "" {
-		return ""
+	// An empty hint is deliberate, not a fallback: a fresh profile leaves the
+	// choice to the IdP. Switching accounts is done by switching or removing
+	// profiles, not by logging out — logout keeps the email.
+	if a.cfgPath != "" {
+		if hint := readProfileEmail(a.cfgPath); hint != "" {
+			if setter, ok := oAuthFlow.(loginHintSetter); ok {
+				setter.SetLoginHint(hint)
+			}
+		}
 	}
-	return readProfileEmail(cfgPath)
-}
 
-// runOAuthFlow drives an already acquired OAuth flow to a token: requests the
-// flow info, presents the verification URL through the opener and waits for
-// the browser round-trip. Open is called synchronously — it is what marks the
-// surface as opened on the client side, and a fast token's OnLoginSuccess is
-// a no-op until it has, so the dismissal would be dropped rather than
-// delayed. Openers must therefore not block: they post their UI work and
-// return. onWaiting, when set, runs after the URL is shown, right before the
-// blocking wait.
-func runOAuthFlow(ctx context.Context, flow auth.OAuthFlow, urlOpener URLOpener, onWaiting func()) (*auth.TokenInfo, error) {
-	flowInfo, err := flow.RequestAuthInfo(ctx)
+	flowInfo, err := oAuthFlow.RequestAuthInfo(context.TODO())
 	if err != nil {
-		return nil, fmt.Errorf("request auth info: %w", err)
+		return nil, fmt.Errorf("getting a request OAuth flow info failed: %v", err)
 	}
 
-	urlOpener.Open(flowInfo.VerificationURIComplete, flowInfo.UserCode)
+	go urlOpener.Open(flowInfo.VerificationURIComplete, flowInfo.UserCode)
 
-	if onWaiting != nil {
-		onWaiting()
-	}
-
-	tokenInfo, err := flow.WaitToken(ctx, flowInfo)
+	tokenInfo, err := oAuthFlow.WaitToken(a.ctx, flowInfo)
 	if err != nil {
-		return nil, fmt.Errorf("wait for token: %w", err)
+		return nil, fmt.Errorf("waiting for browser login failed: %v", err)
 	}
 
 	return &tokenInfo, nil

client/android/profile_prefs.go

@@ -1,38 +0,0 @@
-//go:build android
-
-package android
-
-import (
-	"fmt"
-
-	"github.com/netbirdio/netbird/client/internal/profilemanager"
-)
-
-type prefsStore interface {
-	Get(namespace string, v any) (bool, error)
-	Put(namespace string, v any) error
-}
-
-type profilePrefs struct {
-	prefs *profilemanager.Prefs
-}
-
-func newProfilePrefs(configDir, profileID string) (*profilePrefs, error) {
-	if configDir == "" || profileID == "" {
-		return nil, fmt.Errorf("profile prefs require a config dir and profile ID")
-	}
-	pm := NewProfileManager(configDir)
-	prefs, err := pm.serviceMgr.ProfilePrefs(profilemanager.ID(profileID), androidUsername)
-	if err != nil {
-		return nil, fmt.Errorf("resolve profile prefs: %w", err)
-	}
-	return &profilePrefs{prefs: prefs}, nil
-}
-
-func (p *profilePrefs) Get(namespace string, v any) (bool, error) {
-	return p.prefs.Get(namespace, v)
-}
-
-func (p *profilePrefs) Put(namespace string, v any) error {
-	return p.prefs.Put(namespace, v)
-}

client/android/ssh_client.go

@@ -1,649 +0,0 @@
-//go:build android
-
-package android
-
-import (
-	"context"
-	"errors"
-	"fmt"
-	"io"
-	"net"
-	"strconv"
-	"strings"
-	"sync"
-	"time"
-
-	log "github.com/sirupsen/logrus"
-	gossh "golang.org/x/crypto/ssh"
-
-	"github.com/netbirdio/netbird/client/internal"
-	"github.com/netbirdio/netbird/client/internal/auth"
-	"github.com/netbirdio/netbird/client/internal/profilemanager"
-	nbssh "github.com/netbirdio/netbird/client/ssh"
-	"github.com/netbirdio/netbird/client/ssh/detection"
-)
-
-const (
-	sshDialTimeout      = 30 * time.Second
-	sshDetectionTimeout = 5 * time.Second
-)
-
-// PasswordRequiredMarker tells Java to prompt for a password and retry. It is
-// a string because gomobile flattens errors to their message, so a sentinel
-// value would not survive the binding.
-const PasswordRequiredMarker = "netbird-ssh-password-required"
-
-// HostKeyUnknownMarker tells Java to show the fingerprint and, on confirmation,
-// retry with TrustHostKey set. The presented fingerprint is appended after the
-// marker so the prompt can display it and the retry can guard against a key
-// that changed between the two connects. Only regular (non-NetBird) servers
-// reach this: NetBird peers verify against the registry.
-const HostKeyUnknownMarker = "netbird-ssh-hostkey-unknown"
-
-var (
-	errPasswordRequired = errors.New(PasswordRequiredMarker)
-	errClientClosed     = errors.New("ssh client closed")
-)
-
-// errHostKeyUnknown carries the presented fingerprint so Connect can build the
-// marker message the Java side parses.
-type errHostKeyUnknown struct {
-	fingerprint string
-}
-
-func (e *errHostKeyUnknown) Error() string {
-	return HostKeyUnknownMarker + ":" + e.fingerprint
-}
-
-// SSHTerminalListener receives SSH session events. It is implemented in Java.
-//
-// All callbacks are invoked from goroutines and may run concurrently with each
-// other; the implementation must be safe to call from any thread.
-type SSHTerminalListener interface {
-	OnConnected()
-	OnData(data []byte)
-	OnClose(reason string)
-	OnError(message string)
-}
-
-// SSHClient is a NetBird-aware SSH client exposed to Java via gomobile.
-//
-// It dials through the running NetBird tunnel and runs a standard SSH session
-// on top with PTY enabled. Host-key verification uses the NetBird-provided
-// peer SSH host keys, identical to the desktop client.
-type SSHClient struct {
-	nb        *Client
-	mu        sync.Mutex
-	listener  SSHTerminalListener
-	urlOpener URLOpener
-
-	sshClient *gossh.Client
-	session   *gossh.Session
-	stdin     io.WriteCloser
-	closed    bool
-
-	// gen identifies the current connection attempt. Connect and Close bump it,
-	// so an in-flight dial or a reader left over from a previous connection
-	// finds itself stale and stays silent instead of publishing OnConnected or
-	// OnClose for a connection the caller already abandoned.
-	gen        uint64
-	dialCancel context.CancelFunc
-
-	// knownHostsConfigDir and knownHostsProfile locate the TOFU store for
-	// regular SSH servers in the profile's preferences. Java supplies them,
-	// since an overlay IP is a different host under a different profile. Empty
-	// until set: without them a regular server cannot be verified and Connect
-	// refuses one.
-	knownHostsConfigDir string
-	knownHostsProfile   string
-	// trustHostKey carries the fingerprint the user confirmed on a previous
-	// attempt, so the retry accepts exactly that key and persists it.
-	trustHostKey string
-}
-
-// NewSSHClient creates a new SSH client bound to the running NetBird Client.
-func NewSSHClient(c *Client) *SSHClient {
-	return &SSHClient{nb: c}
-}
-
-// SetListener registers the Java listener. Must be called before Connect to
-// receive any events.
-func (s *SSHClient) SetListener(l SSHTerminalListener) {
-	s.mu.Lock()
-	s.listener = l
-	s.mu.Unlock()
-}
-
-// SetURLOpener registers the Java URL opener used to display the device-code
-// authorization page in a Custom Tabs window when the target peer requires
-// JWT authentication. Must be set before Connect to be effective.
-func (s *SSHClient) SetURLOpener(opener URLOpener) {
-	s.mu.Lock()
-	s.urlOpener = opener
-	s.mu.Unlock()
-}
-
-// SetKnownHostsStore points the TOFU host-key store at a profile's preferences.
-// Must be set before connecting to a regular SSH server; without it such a
-// server cannot be verified and Connect refuses one.
-func (s *SSHClient) SetKnownHostsStore(configDir, profileID string) {
-	s.mu.Lock()
-	s.knownHostsConfigDir = configDir
-	s.knownHostsProfile = profileID
-	s.mu.Unlock()
-}
-
-// TrustHostKey records the fingerprint the user confirmed for a regular server,
-// so the next Connect accepts that exact key and adds it to the known-hosts
-// store. Passing a fingerprint that no longer matches makes the connect fail
-// rather than trust a key that changed since the prompt.
-func (s *SSHClient) TrustHostKey(fingerprint string) {
-	s.mu.Lock()
-	s.trustHostKey = fingerprint
-	s.mu.Unlock()
-}
-
-// Connect dials the SSH server through the NetBird tunnel and performs the
-// SSH handshake. It auto-detects the server type via SSH banner inspection
-// and selects the appropriate authentication path:
-//
-//   - NetBird-SSH server requiring JWT: launches the OAuth 2.0 device-code
-//     flow, opens the verification URL through the registered URLOpener, and
-//     uses the resulting token as the SSH password. Host-key verification
-//     uses the NetBird peer registry.
-//   - NetBird-SSH server without JWT: authenticates with the NetBird SSH
-//     private key. Host-key verification uses the NetBird peer registry.
-//   - Regular SSH server (e.g. OpenSSH): authenticates with the NetBird key
-//     first (so a user-installed NetBird public key works), then falls back
-//     to the supplied password if non-empty. Host-key verification is
-//     trust-on-first-use against the per-profile known-hosts store.
-//
-// The password parameter is only consulted for regular SSH servers.
-func (s *SSHClient) Connect(host string, port int, user, password string) error {
-	if port < 1 || port > 65535 {
-		return fmt.Errorf("invalid port: %d", port)
-	}
-
-	cfg, cfgPath, cc := s.nb.authSnapshot()
-	if cc == nil {
-		return errors.New("netbird client not running")
-	}
-	if cfg == nil {
-		return errors.New("netbird config not loaded")
-	}
-	engine := cc.Engine()
-	if engine == nil {
-		return errors.New("netbird engine not available")
-	}
-
-	s.mu.Lock()
-	s.gen++
-	gen := s.gen
-	s.mu.Unlock()
-
-	serverType := detectServerType(host, port)
-	log.Debugf("SSH server type: %s", serverType)
-
-	authMethods, hostKeyCallback, err := s.buildAuth(cfg, cfgPath, engine, serverType, password)
-	if err != nil {
-		return err
-	}
-
-	clientConfig := &gossh.ClientConfig{
-		User:            user,
-		Auth:            authMethods,
-		HostKeyCallback: hostKeyCallback,
-		Timeout:         sshDialTimeout,
-	}
-	err = s.dialAndHandshake(gen, host, port, clientConfig)
-
-	// An unknown host key is a prompt, not a failure: return the marker intact
-	// (rootCause would unwrap it) so Java can show the fingerprint and retry.
-	var unknownHost *errHostKeyUnknown
-	if errors.As(err, &unknownHost) {
-		return errors.New(unknownHost.Error())
-	}
-
-	// A regular server may still accept a password, so let the caller ask for
-	// one instead of failing. NetBird servers never use a password, so a
-	// failure there is genuine.
-	if err != nil && serverType != detection.ServerTypeNetBirdJWT &&
-		serverType != detection.ServerTypeNetBirdNoJWT && isAuthFailure(err) &&
-		passwordCouldHelp(err, password != "") {
-		return errPasswordRequired
-	}
-	if err != nil {
-		return rootCause(err)
-	}
-	return nil
-}
-
-// StartSession requests a PTY and starts an interactive shell. Output from
-// the session is forwarded to the listener via OnData.
-func (s *SSHClient) StartSession(cols, rows int) error {
-	err := s.startSession(cols, rows)
-	if err != nil {
-		log.Infof("SSH: start session failed: %v", err)
-		return rootCause(err)
-	}
-	return nil
-}
-
-// Write sends data to the SSH session stdin.
-func (s *SSHClient) Write(data []byte) error {
-	s.mu.Lock()
-	stdin := s.stdin
-	s.mu.Unlock()
-	if stdin == nil {
-		return errors.New("ssh session not started")
-	}
-	if _, err := stdin.Write(data); err != nil {
-		return fmt.Errorf("write stdin: %w", err)
-	}
-	return nil
-}
-
-// Resize updates the PTY window size.
-func (s *SSHClient) Resize(cols, rows int) error {
-	s.mu.Lock()
-	session := s.session
-	s.mu.Unlock()
-	if session == nil {
-		return errors.New("ssh session not started")
-	}
-	return session.WindowChange(rows, cols)
-}
-
-// Reset makes a closed client usable for another Connect: Close leaves the
-// one-shot guard set, and clearing it lets the same client back a reconnect.
-func (s *SSHClient) Reset() {
-	s.mu.Lock()
-	defer s.mu.Unlock()
-	s.closed = false
-}
-
-// Close terminates the SSH session and underlying connection. Safe to call
-// multiple times.
-func (s *SSHClient) Close() error {
-	s.mu.Lock()
-	s.gen++
-	if s.dialCancel != nil {
-		s.dialCancel()
-		s.dialCancel = nil
-	}
-	sshClient := s.sshClient
-	session := s.session
-	stdin := s.stdin
-	s.sshClient = nil
-	s.session = nil
-	s.stdin = nil
-	notify := !s.closed
-	s.closed = true
-	listener := s.listener
-	s.mu.Unlock()
-
-	if stdin != nil {
-		if err := stdin.Close(); err != nil {
-			log.Debugf("ssh: stdin close: %v", err)
-		}
-	}
-	if session != nil {
-		if err := session.Close(); err != nil && !errors.Is(err, io.EOF) {
-			log.Debugf("ssh: session close: %v", err)
-		}
-	}
-	var firstErr error
-	if sshClient != nil {
-		if err := sshClient.Close(); err != nil {
-			firstErr = err
-		}
-	}
-	if notify && listener != nil {
-		listener.OnClose("closed by client")
-	}
-	return firstErr
-}
-
-func (s *SSHClient) startSession(cols, rows int) error {
-	log.Debugf("SSH: starting session %dx%d", cols, rows)
-	s.mu.Lock()
-	sshClient := s.sshClient
-	gen := s.gen
-	s.mu.Unlock()
-
-	if sshClient == nil {
-		return errors.New("ssh client not connected")
-	}
-
-	pty, err := nbssh.StartPTYSession(sshClient, cols, rows)
-	if err != nil {
-		return err
-	}
-
-	s.mu.Lock()
-	if gen != s.gen {
-		s.mu.Unlock()
-		closeQuiet(pty.Session, "stale session")
-		return errClientClosed
-	}
-	s.session = pty.Session
-	s.stdin = pty.Stdin
-	s.mu.Unlock()
-
-	readerDone := make(chan string, 2)
-	go func() { readerDone <- s.readLoop(pty.Stdout, "stdout") }()
-	go func() { readerDone <- s.readLoop(pty.Stderr, "stderr") }()
-	go func() {
-		reason := <-readerDone
-		if second := <-readerDone; reason == "" {
-			reason = second
-		}
-		s.notifyClose(gen, reason)
-	}()
-	log.Debug("SSH: session started, shell running")
-	return nil
-}
-
-func (s *SSHClient) buildAuth(cfg *profilemanager.Config, cfgPath string, engine *internal.Engine,
-	serverType detection.ServerType, password string) ([]gossh.AuthMethod, gossh.HostKeyCallback, error) {
-
-	switch serverType {
-	case detection.ServerTypeNetBirdJWT:
-		token, err := s.requestJWTToken(cfg, cfgPath)
-		if err != nil {
-			return nil, nil, fmt.Errorf("jwt: %w", err)
-		}
-		auths := []gossh.AuthMethod{gossh.Password(token)}
-		return auths, nbssh.CreateHostKeyCallback(nbssh.PeerKeyLookup(engine.GetPeerSSHKey)), nil
-
-	case detection.ServerTypeNetBirdNoJWT:
-		if cfg.SSHKey == "" {
-			return nil, nil, errors.New("no NetBird SSH key available")
-		}
-		signer, err := gossh.ParsePrivateKey([]byte(cfg.SSHKey))
-		if err != nil {
-			return nil, nil, fmt.Errorf("parse netbird ssh key: %w", err)
-		}
-		auths := []gossh.AuthMethod{gossh.PublicKeys(signer)}
-		return auths, nbssh.CreateHostKeyCallback(nbssh.PeerKeyLookup(engine.GetPeerSSHKey)), nil
-
-	case detection.ServerTypeRegular:
-		var auths []gossh.AuthMethod
-		if cfg.SSHKey != "" {
-			if signer, err := gossh.ParsePrivateKey([]byte(cfg.SSHKey)); err == nil {
-				auths = append(auths, gossh.PublicKeys(signer))
-			} else {
-				log.Debugf("ssh: parse netbird key for regular auth: %v", err)
-			}
-		}
-		if password != "" {
-			pw := password
-			auths = append(auths, gossh.Password(pw))
-			auths = append(auths, gossh.KeyboardInteractive(func(_, _ string, questions []string, _ []bool) ([]string, error) {
-				answers := make([]string, len(questions))
-				for i := range questions {
-					answers[i] = pw
-				}
-				return answers, nil
-			}))
-		}
-		if len(auths) == 0 {
-			// Nothing to offer at all: ask for a password rather than failing,
-			// so the caller can retry once the user supplies one.
-			return nil, nil, errPasswordRequired
-		}
-		callback, err := s.tofuHostKeyCallback()
-		if err != nil {
-			return nil, nil, err
-		}
-		return auths, callback, nil
-
-	default:
-		return nil, nil, fmt.Errorf("unsupported SSH server type: %v", serverType)
-	}
-}
-
-// tofuHostKeyCallback verifies a regular server's host key against the
-// per-profile known-hosts store. An unknown host returns errHostKeyUnknown so
-// Java can show the fingerprint and, once confirmed, retry with the key
-// trusted; a changed key is rejected outright, as OpenSSH does. When the user
-// has confirmed a fingerprint, the callback accepts exactly that key and
-// appends it to the store.
-func (s *SSHClient) tofuHostKeyCallback() (gossh.HostKeyCallback, error) {
-	s.mu.Lock()
-	configDir := s.knownHostsConfigDir
-	profileID := s.knownHostsProfile
-	trusted := s.trustHostKey
-	s.mu.Unlock()
-
-	if configDir == "" || profileID == "" {
-		return nil, errors.New("no known-hosts store configured for regular SSH")
-	}
-
-	store, err := openKnownHostsStore(configDir, profileID)
-	if err != nil {
-		return nil, fmt.Errorf("load known-hosts store: %w", err)
-	}
-
-	return func(hostname string, remote net.Addr, key gossh.PublicKey) error {
-		verdict, err := store.verify(hostname, remote, key)
-		if err != nil {
-			return err
-		}
-		if verdict == hostKeyMatched {
-			return nil
-		}
-		if verdict == hostKeyChanged {
-			return fmt.Errorf("SSH host key changed for %s (possible attack)", hostname)
-		}
-
-		fingerprint := gossh.FingerprintSHA256(key)
-		if trusted == "" {
-			return &errHostKeyUnknown{fingerprint: fingerprint}
-		}
-		if trusted != fingerprint {
-			return fmt.Errorf("SSH host key changed since it was confirmed for %s", hostname)
-		}
-		if err := store.append(hostname, remote, key); err != nil {
-			return fmt.Errorf("persist trusted host key: %w", err)
-		}
-		// The confirmation is spent: now that the key is stored, a later
-		// reconnect must verify against the file, not re-accept this fingerprint.
-		s.mu.Lock()
-		s.trustHostKey = ""
-		s.mu.Unlock()
-		return nil
-	}, nil
-}
-
-func (s *SSHClient) requestJWTToken(cfg *profilemanager.Config, cfgPath string) (string, error) {
-	s.mu.Lock()
-	urlOpener := s.urlOpener
-	s.mu.Unlock()
-	if urlOpener == nil {
-		return "", errors.New("URL opener not configured for JWT auth")
-	}
-
-	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Minute)
-	defer cancel()
-
-	flow, err := auth.NewOAuthFlow(ctx, cfg, false, true, profileLoginHint(cfgPath))
-	if err != nil {
-		return "", fmt.Errorf("create oauth flow: %w", err)
-	}
-
-	// The status callback covers the browser round-trip, which would
-	// otherwise leave the terminal blank.
-	tokenInfo, err := runOAuthFlow(ctx, flow, urlOpener, func() {
-		s.notifyStatus("Waiting for browser authentication...")
-	})
-	if err != nil {
-		return "", err
-	}
-
-	token := tokenInfo.GetTokenToUse()
-	if token == "" {
-		return "", errors.New("empty token returned by IdP")
-	}
-
-	// Tells the client the browser round-trip is over so it can dismiss the
-	// surface it opened, the same way the login and session-extend flows do.
-	// Without it the Custom Tab stays in front of the terminal even though the
-	// token has already been collected.
-	urlOpener.OnLoginSuccess()
-
-	return token, nil
-}
-
-func (s *SSHClient) dialAndHandshake(gen uint64, host string, port int, clientConfig *gossh.ClientConfig) error {
-	addr := net.JoinHostPort(host, strconv.Itoa(port))
-	ctx, cancel := context.WithTimeout(context.Background(), sshDialTimeout)
-	defer cancel()
-
-	s.mu.Lock()
-	if gen != s.gen {
-		s.mu.Unlock()
-		return errClientClosed
-	}
-	s.dialCancel = cancel
-	s.mu.Unlock()
-
-	var dialer net.Dialer
-	conn, err := dialer.DialContext(ctx, "tcp", addr)
-	if err != nil {
-		return fmt.Errorf("dial %s: %w", addr, err)
-	}
-
-	client, err := nbssh.Handshake(ctx, conn, addr, clientConfig)
-	if err != nil {
-		return err
-	}
-
-	s.mu.Lock()
-	if gen != s.gen {
-		s.mu.Unlock()
-		closeQuiet(client, "stale ssh client")
-		return errClientClosed
-	}
-	s.sshClient = client
-	listener := s.listener
-	s.mu.Unlock()
-
-	if listener != nil {
-		listener.OnConnected()
-	}
-	return nil
-}
-
-func (s *SSHClient) readLoop(r io.Reader, name string) string {
-	buf := make([]byte, 4096)
-	for {
-		n, err := r.Read(buf)
-		if n > 0 {
-			s.mu.Lock()
-			listener := s.listener
-			s.mu.Unlock()
-			if listener != nil {
-				chunk := make([]byte, n)
-				copy(chunk, buf[:n])
-				listener.OnData(chunk)
-			}
-		}
-		if err != nil {
-			// EOF is a normal shell exit, so report it without a reason.
-			if errors.Is(err, io.EOF) {
-				return ""
-			}
-			log.Debugf("ssh %s read: %v", name, err)
-			return rootCause(err).Error()
-		}
-	}
-}
-
-// notifyStatus writes a progress line to the terminal through the normal
-// output path, so long steps are visible while nothing else is arriving.
-func (s *SSHClient) notifyStatus(text string) {
-	s.mu.Lock()
-	listener := s.listener
-	s.mu.Unlock()
-	if listener != nil {
-		listener.OnData([]byte("\r\n\x1b[33m" + text + "\x1b[0m\r\n"))
-	}
-}
-
-func (s *SSHClient) notifyClose(gen uint64, reason string) {
-	s.mu.Lock()
-	if gen != s.gen || s.closed {
-		s.mu.Unlock()
-		return
-	}
-	s.closed = true
-	listener := s.listener
-	s.mu.Unlock()
-	if listener != nil {
-		listener.OnClose(reason)
-	}
-}
-
-func closeQuiet(c io.Closer, label string) {
-	if c == nil {
-		return
-	}
-	if err := c.Close(); err != nil && !errors.Is(err, io.EOF) {
-		log.Debugf("ssh: close %s: %v", label, err)
-	}
-}
-
-func detectServerType(host string, port int) detection.ServerType {
-	ctx, cancel := context.WithTimeout(context.Background(), sshDetectionTimeout)
-	defer cancel()
-
-	dialer := &net.Dialer{}
-	serverType, err := detection.DetectSSHServerType(ctx, dialer, host, port)
-	if err != nil {
-		log.Debugf("ssh: server detection failed: %v (assuming regular SSH)", err)
-		return detection.ServerTypeRegular
-	}
-	return serverType
-}
-
-// rootCause returns the innermost error of a %w chain, so the terminal shows
-// "i/o timeout" rather than every layer that added context on the way up.
-func rootCause(err error) error {
-	for {
-		// A joined error has no single root, so keep it as-is.
-		if _, ok := err.(interface{ Unwrap() []error }); ok {
-			return err
-		}
-		next := errors.Unwrap(err)
-		if next == nil {
-			return err
-		}
-		err = next
-	}
-}
-
-// isAuthFailure distinguishes credential rejection from dial, timeout and
-// host-key errors, which retrying with a password would not fix.
-func isAuthFailure(err error) bool {
-	if errors.Is(err, errPasswordRequired) {
-		return true
-	}
-	var partial *gossh.PartialSuccessError
-	if errors.As(err, &partial) {
-		return true
-	}
-	return strings.Contains(err.Error(), "unable to authenticate")
-}
-
-// passwordCouldHelp reports whether prompting for a password again can change
-// the outcome. gossh lists a method under "attempted methods" only when the
-// server offered it, so a supplied password that was never attempted means the
-// server does not accept passwords and the real error should surface instead.
-func passwordCouldHelp(err error, passwordOffered bool) bool {
-	if !passwordOffered {
-		return true
-	}
-	msg := err.Error()
-	return strings.Contains(msg, "password") || strings.Contains(msg, "keyboard-interactive")
-}

client/android/ssh_known_hosts.go

@@ -1,168 +0,0 @@
-//go:build android
-
-package android
-
-import (
-	"bytes"
-	"net"
-	"strconv"
-	"strings"
-	"sync"
-
-	gossh "golang.org/x/crypto/ssh"
-	"golang.org/x/crypto/ssh/knownhosts"
-)
-
-const knownHostsNamespace = "ssh"
-
-const (
-	hostKeyUnknown hostKeyVerdict = iota
-	hostKeyMatched
-	hostKeyChanged
-)
-
-var knownHostsMu sync.Mutex
-
-type hostKeyVerdict uint8
-
-type knownHostsSection struct {
-	KnownHosts []string `json:"knownHosts"`
-}
-
-type knownHostsStore struct {
-	prefs prefsStore
-}
-
-// RemoveKnownHost deletes every known-hosts entry for host:port from the
-// profile's store, so a host trusted for a session that is being deleted does
-// not linger. Java calls this only once no session targets that host, so a
-// shared host stays trusted. A missing entry is not an error: the goal state
-// is "absent".
-func RemoveKnownHost(configDir, profileID, host string, port int) error {
-	store, err := openKnownHostsStore(configDir, profileID)
-	if err != nil {
-		return err
-	}
-	return store.removeHost(host, port)
-}
-
-func openKnownHostsStore(configDir, profileID string) (*knownHostsStore, error) {
-	prefs, err := newProfilePrefs(configDir, profileID)
-	if err != nil {
-		return nil, err
-	}
-	return &knownHostsStore{prefs: prefs}, nil
-}
-
-func (st *knownHostsStore) verify(hostname string, remote net.Addr, key gossh.PublicKey) (hostKeyVerdict, error) {
-	lines, err := st.lines()
-	if err != nil {
-		return hostKeyUnknown, err
-	}
-	targets := knownHostsTargets(hostname, remote)
-
-	verdict := hostKeyUnknown
-	for _, line := range lines {
-		pubKey, ok := knownHostsLineKey(line, targets)
-		if !ok {
-			continue
-		}
-		if pubKey.Type() == key.Type() && bytes.Equal(pubKey.Marshal(), key.Marshal()) {
-			return hostKeyMatched, nil
-		}
-		verdict = hostKeyChanged
-	}
-	return verdict, nil
-}
-
-func (st *knownHostsStore) append(hostname string, remote net.Addr, key gossh.PublicKey) error {
-	line := knownhosts.Line(knownHostsTargets(hostname, remote), key)
-
-	knownHostsMu.Lock()
-	defer knownHostsMu.Unlock()
-
-	lines, err := st.lines()
-	if err != nil {
-		return err
-	}
-	return st.prefs.Put(knownHostsNamespace, knownHostsSection{KnownHosts: append(lines, line)})
-}
-
-func (st *knownHostsStore) removeHost(host string, port int) error {
-	target := knownhosts.Normalize(net.JoinHostPort(host, strconv.Itoa(port)))
-
-	knownHostsMu.Lock()
-	defer knownHostsMu.Unlock()
-
-	lines, err := st.lines()
-	if err != nil {
-		return err
-	}
-	kept := make([]string, 0, len(lines))
-	for _, line := range lines {
-		if knownHostsLineMatches(line, target) {
-			continue
-		}
-		kept = append(kept, line)
-	}
-	if len(kept) == len(lines) {
-		return nil
-	}
-	return st.prefs.Put(knownHostsNamespace, knownHostsSection{KnownHosts: kept})
-}
-
-func (st *knownHostsStore) lines() ([]string, error) {
-	var section knownHostsSection
-	if _, err := st.prefs.Get(knownHostsNamespace, &section); err != nil {
-		return nil, err
-	}
-	return section.KnownHosts, nil
-}
-
-func knownHostsTargets(hostname string, remote net.Addr) []string {
-	targets := []string{knownhosts.Normalize(hostname)}
-	if remote != nil {
-		if normalized := knownhosts.Normalize(remote.String()); normalized != targets[0] {
-			targets = append(targets, normalized)
-		}
-	}
-	return targets
-}
-
-func knownHostsLineKey(line string, targets []string) (gossh.PublicKey, bool) {
-	trimmed := strings.TrimSpace(line)
-	if trimmed == "" || strings.HasPrefix(trimmed, "#") {
-		return nil, false
-	}
-	_, hosts, pubKey, _, _, err := gossh.ParseKnownHosts([]byte(trimmed))
-	if err != nil {
-		return nil, false
-	}
-	for _, host := range hosts {
-		for _, target := range targets {
-			if host == target {
-				return pubKey, true
-			}
-		}
-	}
-	return nil, false
-}
-
-// knownHostsLineMatches reports whether a known-hosts line's address list
-// contains the normalized target. Comment and blank lines never match.
-func knownHostsLineMatches(line, target string) bool {
-	trimmed := strings.TrimSpace(line)
-	if trimmed == "" || strings.HasPrefix(trimmed, "#") {
-		return false
-	}
-	fields := strings.Fields(trimmed)
-	if len(fields) == 0 {
-		return false
-	}
-	for _, addr := range strings.Split(fields[0], ",") {
-		if addr == target {
-			return true
-		}
-	}
-	return false
-}

client/android/ssh_sessions.go

@@ -1,104 +0,0 @@
-//go:build android
-
-package android
-
-const (
-	sshSessionsNamespace = "ssh-sessions"
-	maxStoredSSHSessions = 50
-)
-
-type sshSessionRecord struct {
-	ID   string `json:"id"`
-	Host string `json:"host"`
-	Port int    `json:"port"`
-	User string `json:"user"`
-}
-
-type sshSessionsSection struct {
-	Sessions []sshSessionRecord `json:"sessions"`
-}
-
-// SSHSessionEntry is one stored SSH session, without any credential.
-type SSHSessionEntry struct {
-	ID   string
-	Host string
-	Port int
-	User string
-}
-
-// SSHSessionArray wraps stored SSH sessions for gomobile compatibility.
-type SSHSessionArray struct {
-	items []*SSHSessionEntry
-}
-
-// NewSSHSessionArray creates an empty session array to fill via Add.
-func NewSSHSessionArray() *SSHSessionArray {
-	return &SSHSessionArray{}
-}
-
-// Add appends a session entry, oldest first.
-func (a *SSHSessionArray) Add(id, host string, port int, user string) {
-	a.items = append(a.items, &SSHSessionEntry{ID: id, Host: host, Port: port, User: user})
-}
-
-// Length returns the number of entries.
-func (a *SSHSessionArray) Length() int {
-	return len(a.items)
-}
-
-// Get returns the entry at index i, or nil when out of range.
-func (a *SSHSessionArray) Get(i int) *SSHSessionEntry {
-	if i < 0 || i >= len(a.items) {
-		return nil
-	}
-	return a.items[i]
-}
-
-// SSHSessionStore reads and writes a profile's stored SSH sessions.
-type SSHSessionStore struct {
-	prefs prefsStore
-}
-
-// NewSSHSessionStore opens the session store of the given profile.
-func NewSSHSessionStore(configDir, profileID string) (*SSHSessionStore, error) {
-	prefs, err := newProfilePrefs(configDir, profileID)
-	if err != nil {
-		return nil, err
-	}
-	return &SSHSessionStore{prefs: prefs}, nil
-}
-
-// Load returns the stored sessions, oldest first.
-func (s *SSHSessionStore) Load() (*SSHSessionArray, error) {
-	var section sshSessionsSection
-	if _, err := s.prefs.Get(sshSessionsNamespace, &section); err != nil {
-		return nil, err
-	}
-
-	out := NewSSHSessionArray()
-	for _, record := range section.Sessions {
-		if record.ID == "" || record.Host == "" {
-			continue
-		}
-		out.Add(record.ID, record.Host, record.Port, record.User)
-	}
-	return out, nil
-}
-
-// Save replaces the stored sessions, keeping only the newest entries when the
-// list exceeds the storage cap.
-func (s *SSHSessionStore) Save(sessions *SSHSessionArray) error {
-	var items []*SSHSessionEntry
-	if sessions != nil {
-		items = sessions.items
-	}
-	if len(items) > maxStoredSSHSessions {
-		items = items[len(items)-maxStoredSSHSessions:]
-	}
-
-	records := make([]sshSessionRecord, 0, len(items))
-	for _, item := range items {
-		records = append(records, sshSessionRecord{ID: item.ID, Host: item.Host, Port: item.Port, User: item.User})
-	}
-	return s.prefs.Put(sshSessionsNamespace, sshSessionsSection{Sessions: records})
-}

client/embed/embed.go

@@ -21,7 +21,7 @@ import (
 	"github.com/netbirdio/netbird/client/internal/auth"
 	"github.com/netbirdio/netbird/client/internal/peer"
 	"github.com/netbirdio/netbird/client/internal/profilemanager"
-	nbssh "github.com/netbirdio/netbird/client/ssh"
+	sshcommon "github.com/netbirdio/netbird/client/ssh"
 	"github.com/netbirdio/netbird/client/system"
 	"github.com/netbirdio/netbird/shared/management/domain"
 	mgmProto "github.com/netbirdio/netbird/shared/management/proto"
@@ -521,7 +521,12 @@ func (c *Client) VerifySSHHostKey(peerAddress string, key []byte) error {
 		return err
 	}
 
-	return nbssh.PeerKeyLookup(engine.GetPeerSSHKey).VerifySSHHostKey(peerAddress, key)
+	storedKey, found := engine.GetPeerSSHKey(peerAddress)
+	if !found {
+		return sshcommon.ErrPeerNotFound
+	}
+
+	return sshcommon.VerifyHostKey(storedKey, key, peerAddress)
 }
 
 // SetPerformance retunes a running Client. Only PreallocatedBuffersPerPool

client/grpc/dialer_generic.go

@@ -16,47 +16,28 @@ import (
 	"google.golang.org/grpc"
 
 	nbnet "github.com/netbirdio/netbird/client/net"
-	"github.com/netbirdio/netbird/client/netsweep"
 )
 
 func WithCustomDialer(_ bool, _ string) grpc.DialOption {
-	return grpc.WithContextDialer(dialContext)
-}
-
-// WithSweeper dials like WithCustomDialer but registers connections and
-// dials with the sweeper. Append it after WithCustomDialer: gRPC applies
-// dial options in order, so the later context dialer wins.
-func WithSweeper(sweeper *netsweep.Sweeper) grpc.DialOption {
 	return grpc.WithContextDialer(func(ctx context.Context, addr string) (net.Conn, error) {
-		dial := sweeper.StartDial(ctx)
-		defer dial.Release()
+		if runtime.GOOS == "linux" {
+			currentUser, err := user.Current()
+			if err != nil {
+				return nil, status.Errorf(codes.FailedPrecondition, "failed to get current user: %v", err)
+			}
 
-		conn, err := dialContext(dial.Ctx(), addr)
-		if err != nil {
-			return nil, err
+			// the custom dialer requires root permissions which are not required for use cases run as non-root
+			if currentUser.Uid != "0" {
+				log.Debug("Not running as root, using standard dialer")
+				dialer := &net.Dialer{}
+				return dialer.DialContext(ctx, "tcp", addr)
+			}
 		}
-		return dial.WrapConn(conn)
+
+		conn, err := nbnet.NewDialer().DialContext(ctx, "tcp", addr)
+		if err != nil {
+			return nil, fmt.Errorf("nbnet.NewDialer().DialContext: %w", err)
+		}
+		return conn, nil
 	})
 }
-
-func dialContext(ctx context.Context, addr string) (net.Conn, error) {
-	if runtime.GOOS == "linux" {
-		currentUser, err := user.Current()
-		if err != nil {
-			return nil, status.Errorf(codes.FailedPrecondition, "failed to get current user: %v", err)
-		}
-
-		// the custom dialer requires root permissions which are not required for use cases run as non-root
-		if currentUser.Uid != "0" {
-			log.Debug("Not running as root, using standard dialer")
-			dialer := &net.Dialer{}
-			return dialer.DialContext(ctx, "tcp", addr)
-		}
-	}
-
-	conn, err := nbnet.NewDialer().DialContext(ctx, "tcp", addr)
-	if err != nil {
-		return nil, fmt.Errorf("nbnet.NewDialer().DialContext: %w", err)
-	}
-	return conn, nil
-}

client/grpc/dialer_js.go

@@ -3,7 +3,6 @@ package grpc
 import (
 	"google.golang.org/grpc"
 
-	"github.com/netbirdio/netbird/client/netsweep"
 	"github.com/netbirdio/netbird/util/wsproxy/client"
 )
 
@@ -12,8 +11,3 @@ import (
 func WithCustomDialer(tlsEnabled bool, component string) grpc.DialOption {
 	return client.WithWebSocketDialer(tlsEnabled, component)
 }
-
-// WithSweeper is a no-op on WASM/JS: there is no network change signal.
-func WithSweeper(_ *netsweep.Sweeper) grpc.DialOption {
-	return grpc.EmptyDialOption{}
-}

client/grpc/retry.go

@@ -1,49 +0,0 @@
-package grpc
-
-import (
-	"context"
-	"errors"
-	"time"
-
-	"github.com/cenkalti/backoff/v4"
-
-	"github.com/netbirdio/netbird/client/netstate"
-)
-
-// Retry mirrors backoff.Retry, but the sleep between attempts also wakes on
-// OS network availability transitions: an operation cut down by a network
-// change retries the moment the network settles instead of sleeping through
-// the recovery. A nil netState never fires, leaving plain backoff.Retry
-// behavior.
-func Retry(ctx context.Context, operation backoff.Operation, bo backoff.BackOff, netState *netstate.State) error {
-	bo.Reset()
-	for {
-		err := operation()
-		if err == nil {
-			return nil
-		}
-
-		var permanent *backoff.PermanentError
-		if errors.As(err, &permanent) {
-			return permanent.Err
-		}
-
-		next := bo.NextBackOff()
-		if next == backoff.Stop {
-			if cerr := ctx.Err(); cerr != nil {
-				return cerr
-			}
-			return err
-		}
-
-		timer := time.NewTimer(next)
-		select {
-		case <-timer.C:
-		case <-netState.Changed():
-			timer.Stop()
-		case <-ctx.Done():
-			timer.Stop()
-			return ctx.Err()
-		}
-	}
-}

client/grpc/retry_test.go

@@ -1,91 +0,0 @@
-package grpc
-
-import (
-	"context"
-	"errors"
-	"testing"
-	"time"
-
-	"github.com/cenkalti/backoff/v4"
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
-
-	"github.com/netbirdio/netbird/client/netstate"
-)
-
-func TestRetryWakesOnNetworkChange(t *testing.T) {
-	ns := netstate.New()
-	attempts := 0
-	operation := func() error {
-		attempts++
-		if attempts == 1 {
-			return errors.New("cut by network change")
-		}
-		return nil
-	}
-
-	go func() {
-		time.Sleep(20 * time.Millisecond)
-		ns.Set(false)
-	}()
-
-	start := time.Now()
-	err := Retry(context.Background(), operation, backoff.NewConstantBackOff(time.Minute), ns)
-
-	require.NoError(t, err)
-	assert.Equal(t, 2, attempts, "network change must cause one immediate retry")
-	assert.Less(t, time.Since(start), time.Second, "the transition must cut the minute-long sleep short")
-}
-
-func TestRetryPermanentError(t *testing.T) {
-	sentinel := errors.New("permission denied")
-	operation := func() error {
-		return backoff.Permanent(sentinel)
-	}
-
-	err := Retry(context.Background(), operation, backoff.NewConstantBackOff(time.Millisecond), nil)
-	assert.ErrorIs(t, err, sentinel, "permanent errors must stop retries")
-}
-
-func TestRetryNilNetState(t *testing.T) {
-	attempts := 0
-	operation := func() error {
-		attempts++
-		if attempts < 3 {
-			return errors.New("transient")
-		}
-		return nil
-	}
-
-	err := Retry(context.Background(), operation, backoff.NewConstantBackOff(time.Millisecond), nil)
-	require.NoError(t, err)
-	assert.Equal(t, 3, attempts, "nil network state must preserve timed retries")
-}
-
-func TestRetryStops(t *testing.T) {
-	failure := errors.New("still failing")
-	operation := func() error {
-		return failure
-	}
-
-	err := Retry(context.Background(), operation, &backoff.StopBackOff{}, nil)
-	assert.ErrorIs(t, err, failure, "stop backoff must return the operation error")
-}
-
-func TestRetryCtxCancelDuringSleep(t *testing.T) {
-	ctx, cancel := context.WithCancel(context.Background())
-	operation := func() error {
-		return errors.New("failing")
-	}
-
-	go func() {
-		time.Sleep(20 * time.Millisecond)
-		cancel()
-	}()
-
-	start := time.Now()
-	err := Retry(ctx, operation, backoff.NewConstantBackOff(time.Minute), netstate.New())
-
-	assert.ErrorIs(t, err, context.Canceled, "context cancellation must stop the retry loop")
-	assert.Less(t, time.Since(start), time.Second, "context cancellation must interrupt backoff sleep")
-}

client/internal/auth/auth.go

@@ -138,37 +138,26 @@ func (a *Auth) IsSSOSupported(ctx context.Context) (bool, error) {
 
 // GetOAuthFlow returns an OAuth flow (PKCE or Device) using the existing management connection
 // This avoids creating a new connection to the management server
-func (a *Auth) GetOAuthFlow(ctx context.Context, forceDeviceAuth bool, hint string) (OAuthFlow, error) {
+func (a *Auth) GetOAuthFlow(ctx context.Context, forceDeviceAuth bool) (OAuthFlow, error) {
 	var flow OAuthFlow
+	var err error
 
-	err := a.withRetry(ctx, func(client *mgm.GrpcClient) error {
+	err = a.withRetry(ctx, func(client *mgm.GrpcClient) error {
 		if forceDeviceAuth {
-			deviceFlow, err := a.getDeviceFlow(client)
-			if err != nil {
-				return err
-			}
-			deviceFlow.SetLoginHint(hint)
-			flow = deviceFlow
-			return nil
+			flow, err = a.getDeviceFlow(client)
+			return err
 		}
 
 		// Try PKCE flow first
-		pkceFlow, err := a.getPKCEFlow(client)
+		flow, err = a.getPKCEFlow(client)
 		if err != nil {
 			// If PKCE not supported, try Device flow
 			if s, ok := status.FromError(err); ok && (s.Code() == codes.NotFound || s.Code() == codes.Unimplemented) {
-				deviceFlow, err := a.getDeviceFlow(client)
-				if err != nil {
-					return err
-				}
-				deviceFlow.SetLoginHint(hint)
-				flow = deviceFlow
-				return nil
+				flow, err = a.getDeviceFlow(client)
+				return err
 			}
 			return err
 		}
-		pkceFlow.SetLoginHint(hint)
-		flow = pkceFlow
 		return nil
 	})
 

client/internal/auth/oauth.go

@@ -97,7 +97,9 @@ func authenticateWithPKCEFlow(ctx context.Context, config *profilemanager.Config
 		return nil, fmt.Errorf("getting pkce authorization flow info failed with error: %v", err)
 	}
 
-	pkceFlowInfo.SetLoginHint(hint)
+	if hint != "" {
+		pkceFlowInfo.SetLoginHint(hint)
+	}
 
 	return pkceFlowInfo, nil
 }
@@ -125,7 +127,9 @@ func authenticateWithDeviceCodeFlow(ctx context.Context, config *profilemanager.
 		}
 	}
 
-	deviceFlowInfo.SetLoginHint(hint)
+	if hint != "" {
+		deviceFlowInfo.SetLoginHint(hint)
+	}
 
 	return deviceFlowInfo, nil
 }

client/internal/connect.go

@@ -38,8 +38,6 @@ import (
 	"github.com/netbirdio/netbird/client/internal/updater"
 	"github.com/netbirdio/netbird/client/internal/updater/installer"
 	nbnet "github.com/netbirdio/netbird/client/net"
-	"github.com/netbirdio/netbird/client/netstate"
-	"github.com/netbirdio/netbird/client/netsweep"
 	cProto "github.com/netbirdio/netbird/client/proto"
 	"github.com/netbirdio/netbird/client/ssh"
 	sshconfig "github.com/netbirdio/netbird/client/ssh/config"
@@ -72,42 +70,18 @@ type ConnectClient struct {
 	updateManager *updater.Manager
 
 	persistSyncResponse bool
-
-	// netState gates every reconnection loop on OS-reported network
-	// availability. Nil (the default) disables gating; mobile platforms
-	// inject it via WithNetworkState.
-	netState *netstate.State
-
-	// sweeper cuts the management, signal and relay connections on network
-	// change; nil disables it.
-	sweeper *netsweep.Sweeper
-}
-
-// ConnectClientOption configures optional ConnectClient behavior.
-type ConnectClientOption func(*ConnectClient)
-
-// WithNetworkState injects the OS network availability state that gates every
-// reconnection loop; without it gating is disabled.
-func WithNetworkState(netState *netstate.State) ConnectClientOption {
-	return func(c *ConnectClient) { c.netState = netState }
-}
-
-// WithSweeper injects the network change sweeper.
-func WithSweeper(sweeper *netsweep.Sweeper) ConnectClientOption {
-	return func(c *ConnectClient) { c.sweeper = sweeper }
 }
 
 func NewConnectClient(
 	ctx context.Context,
 	config *profilemanager.Config,
 	statusRecorder *peer.Status,
-	opts ...ConnectClientOption,
 ) *ConnectClient {
 	// Derive the run context here so Stop owns the cancel that unblocks the run
 	// loop. runCancel is set once at construction, so Stop can call it without
 	// racing the run loop's startup. Callers therefore need not cancel before Stop.
 	runCtx, runCancel := context.WithCancel(ctx)
-	c := &ConnectClient{
+	return &ConnectClient{
 		ctx:            runCtx,
 		runCancel:      runCancel,
 		runExited:      make(chan struct{}),
@@ -115,10 +89,6 @@ func NewConnectClient(
 		statusRecorder: statusRecorder,
 		engineMutex:    sync.Mutex{},
 	}
-	for _, opt := range opts {
-		opt(c)
-	}
-	return c
 }
 
 func (c *ConnectClient) SetUpdateManager(um *updater.Manager) {
@@ -304,13 +274,6 @@ func (c *ConnectClient) run(mobileDependency MobileDependency, runningChan chan
 			return nil
 		}
 
-		// suspend connection attempts while the OS reports no usable network
-		if waited, err := c.netState.Wait(c.ctx); err != nil {
-			return nil
-		} else if waited {
-			backOff.Reset()
-		}
-
 		state.Set(StatusConnecting)
 
 		engineCtx, cancel := context.WithCancel(c.ctx)
@@ -322,8 +285,7 @@ func (c *ConnectClient) run(mobileDependency MobileDependency, runningChan chan
 		}()
 
 		log.Debugf("connecting to the Management service %s", c.config.ManagementURL.Host)
-		mgmClient, err := mgm.NewClient(engineCtx, c.config.ManagementURL.Host, myPrivateKey, mgmTlsEnabled,
-			mgm.WithNetworkState(c.netState), mgm.WithSweeper(c.sweeper))
+		mgmClient, err := mgm.NewClient(engineCtx, c.config.ManagementURL.Host, myPrivateKey, mgmTlsEnabled)
 		if err != nil {
 			// On daemon shutdown / Down() the parent context is cancelled
 			// and the dial fails with "context canceled". Wrapping that
@@ -398,7 +360,7 @@ func (c *ConnectClient) run(mobileDependency MobileDependency, runningChan chan
 		}()
 
 		// with the global Netbird config in hand connect (just a connection, no stream yet) Signal
-		signalClient, err := connectToSignal(engineCtx, loginResp.GetNetbirdConfig(), myPrivateKey, c.netState, c.sweeper)
+		signalClient, err := connectToSignal(engineCtx, loginResp.GetNetbirdConfig(), myPrivateKey)
 		if err != nil {
 			log.Error(err)
 			return wrapErr(err)
@@ -434,8 +396,7 @@ func (c *ConnectClient) run(mobileDependency MobileDependency, runningChan chan
 			engineConfig.StateDir = filepath.Dir(path)
 		}
 
-		relayManager := relayClient.NewManager(engineCtx, relayURLs, myPrivateKey.PublicKey().String(), engineConfig.MTU,
-			relayClient.WithNetworkState(c.netState), relayClient.WithSweeper(c.sweeper))
+		relayManager := relayClient.NewManager(engineCtx, relayURLs, myPrivateKey.PublicKey().String(), engineConfig.MTU)
 		c.statusRecorder.SetRelayMgr(relayManager)
 		if len(relayURLs) > 0 {
 			if token != nil {
@@ -463,7 +424,6 @@ func (c *ConnectClient) run(mobileDependency MobileDependency, runningChan chan
 			UpdateManager:  c.updateManager,
 			ClientMetrics:  c.clientMetrics,
 			MetricsCtx:     c.ctx,
-			NetState:       c.netState,
 		}, mobileDependency)
 		engine.SetSyncResponsePersistence(c.persistSyncResponse)
 		c.engine = engine
@@ -520,16 +480,6 @@ func (c *ConnectClient) run(mobileDependency MobileDependency, runningChan chan
 	// status stream stuck at Connecting.
 	err = backoff.Retry(operation, backoff.WithContext(backOff, c.ctx))
 	if err != nil {
-		// Once the client context is cancelled backoff.WithContext surfaces the
-		// bare context error, and any attempt torn down mid-flight reports the
-		// same. That cancellation is the caller asking us to stop (Stop, Down or
-		// an engine restart), so exit cleanly instead of handing back a failure
-		// the caller would have to distinguish from a real one.
-		if c.ctx.Err() != nil && errors.Is(err, context.Canceled) {
-			log.Info("exiting client retry loop, context cancelled")
-			return nil
-		}
-
 		log.Debugf("exiting client retry loop due to unrecoverable error: %s", err)
 		if s, ok := gstatus.FromError(err); ok && (s.Code() == codes.PermissionDenied) {
 			state.Set(StatusNeedsLogin)
@@ -723,7 +673,7 @@ func selectMTU(localMTU uint16, peerMTU int32) uint16 {
 }
 
 // connectToSignal creates Signal Service client and established a connection
-func connectToSignal(ctx context.Context, wtConfig *mgmProto.NetbirdConfig, ourPrivateKey wgtypes.Key, netState *netstate.State, sweeper *netsweep.Sweeper) (*signal.GrpcClient, error) {
+func connectToSignal(ctx context.Context, wtConfig *mgmProto.NetbirdConfig, ourPrivateKey wgtypes.Key) (*signal.GrpcClient, error) {
 	var sigTLSEnabled bool
 	if wtConfig.Signal.Protocol == mgmProto.HostConfig_HTTPS {
 		sigTLSEnabled = true
@@ -731,8 +681,7 @@ func connectToSignal(ctx context.Context, wtConfig *mgmProto.NetbirdConfig, ourP
 		sigTLSEnabled = false
 	}
 
-	signalClient, err := signal.NewClient(ctx, wtConfig.Signal.Uri, ourPrivateKey, sigTLSEnabled,
-		signal.WithNetworkState(netState), signal.WithSweeper(sweeper))
+	signalClient, err := signal.NewClient(ctx, wtConfig.Signal.Uri, ourPrivateKey, sigTLSEnabled)
 	if err != nil {
 		log.Errorf("error while connecting to the Signal Exchange Service %s: %s", wtConfig.Signal.Uri, err)
 		return nil, gstatus.Errorf(codes.FailedPrecondition, "failed connecting to Signal Service : %s", err)

client/internal/engine.go

@@ -59,7 +59,6 @@ import (
 	"github.com/netbirdio/netbird/client/internal/syncstore"
 	"github.com/netbirdio/netbird/client/internal/updater"
 	"github.com/netbirdio/netbird/client/jobexec"
-	"github.com/netbirdio/netbird/client/netstate"
 	cProto "github.com/netbirdio/netbird/client/proto"
 	"github.com/netbirdio/netbird/client/system"
 	nbdns "github.com/netbirdio/netbird/dns"
@@ -182,9 +181,6 @@ type EngineServices struct {
 	UpdateManager  *updater.Manager
 	ClientMetrics  *metrics.ClientMetrics
 	MetricsCtx     context.Context
-	// NetState gates the reconnection loops on OS-reported network
-	// availability; nil disables gating.
-	NetState *netstate.State
 }
 
 // Engine is a mechanism responsible for reacting on Signal and Management stream events and managing connections to the remote peers.
@@ -208,10 +204,6 @@ type Engine struct {
 	config    *EngineConfig
 	mobileDep MobileDependency
 
-	// netState gates the peer reconnection guards on OS-reported network
-	// availability; nil disables gating.
-	netState *netstate.State
-
 	// STUNs is a list of STUN servers used by ICE
 	STUNs []*stun.URI
 	// TURNs is a list of STUN servers used by ICE
@@ -345,7 +337,6 @@ func NewEngine(
 		syncMsgMux:         &sync.Mutex{},
 		config:             config,
 		mobileDep:          mobileDep,
-		netState:           services.NetState,
 		STUNs:              []*stun.URI{},
 		TURNs:              []*stun.URI{},
 		networkSerial:      0,
@@ -1902,8 +1893,7 @@ func (e *Engine) createPeerConn(pubKey string, allowedIPs []netip.Prefix, agentV
 			Addr:           e.getRosenpassAddr(),
 			PermissiveMode: e.config.RosenpassPermissive,
 		},
-		ICEConfig:    e.createICEConfig(),
-		NetworkState: e.netState,
+		ICEConfig: e.createICEConfig(),
 	}
 
 	serviceDependencies := peer.ServiceDependencies{

client/internal/peer/conn.go

@@ -26,7 +26,6 @@ import (
 	"github.com/netbirdio/netbird/client/internal/portforward"
 	"github.com/netbirdio/netbird/client/internal/rosenpass"
 	"github.com/netbirdio/netbird/client/internal/stdnet"
-	"github.com/netbirdio/netbird/client/netstate"
 	"github.com/netbirdio/netbird/route"
 	relayClient "github.com/netbirdio/netbird/shared/relay/client"
 )
@@ -94,10 +93,6 @@ type ConnConfig struct {
 
 	// ICEConfig ICE protocol configuration
 	ICEConfig icemaker.Config
-
-	// NetworkState gates the reconnection guard on OS-reported network
-	// availability; nil disables gating.
-	NetworkState *netstate.State
 }
 
 type Conn struct {
@@ -259,7 +254,7 @@ func (conn *Conn) open(engineCtx context.Context, firstPacket []byte) error {
 		conn.handshaker.AddICEListener(conn.workerICE.OnNewOffer)
 	}
 
-	conn.guard = guard.NewGuard(conn.Log, conn.isConnectedOnAllWay, conn.config.Timeout, conn.srWatcher, conn.config.NetworkState)
+	conn.guard = guard.NewGuard(conn.Log, conn.isConnectedOnAllWay, conn.config.Timeout, conn.srWatcher)
 
 	conn.wg.Add(1)
 	go func() {

client/internal/peer/guard/guard.go

@@ -6,8 +6,6 @@ import (
 
 	"github.com/cenkalti/backoff/v4"
 	log "github.com/sirupsen/logrus"
-
-	"github.com/netbirdio/netbird/client/netstate"
 )
 
 // ConnStatus represents the connection state as seen by the guard.
@@ -33,26 +31,20 @@ type connStatusFunc func() ConnStatus
 // - Relayed connection disconnected
 // - ICE candidate changes
 type Guard struct {
-	log                 *log.Entry
-	isConnectedOnAllWay connStatusFunc
-	timeout             time.Duration
-	srWatcher           *SRWatcher
-	// netState gates reconnect attempts on OS-reported network availability;
-	// nil disables gating.
-	netState                *netstate.State
+	log                     *log.Entry
+	isConnectedOnAllWay     connStatusFunc
+	timeout                 time.Duration
+	srWatcher               *SRWatcher
 	relayedConnDisconnected chan struct{}
 	iCEConnDisconnected     chan struct{}
 }
 
-// NewGuard creates a reconnection guard for a peer connection. A nil netState
-// disables network availability gating.
-func NewGuard(log *log.Entry, isConnectedFn connStatusFunc, timeout time.Duration, srWatcher *SRWatcher, netState *netstate.State) *Guard {
+func NewGuard(log *log.Entry, isConnectedFn connStatusFunc, timeout time.Duration, srWatcher *SRWatcher) *Guard {
 	return &Guard{
 		log:                     log,
 		isConnectedOnAllWay:     isConnectedFn,
 		timeout:                 timeout,
 		srWatcher:               srWatcher,
-		netState:                netState,
 		relayedConnDisconnected: make(chan struct{}, 1),
 		iCEConnDisconnected:     make(chan struct{}, 1),
 	}
@@ -104,16 +96,9 @@ func (g *Guard) reconnectLoopWithRetry(ctx context.Context, callback func()) {
 	iceState := &iceRetryState{log: g.log}
 	defer iceState.reset()
 
-	netChanged := g.netState.Changed()
-
 	for {
 		select {
 		case <-tickerChannel:
-			// skip attempts while the OS reports no usable network; the
-			// netChanged case below resumes the loop once it returns
-			if !g.netState.IsOnline() {
-				continue
-			}
 			switch g.isConnectedOnAllWay() {
 			case ConnStatusConnected:
 				// all good, nothing to do
@@ -150,23 +135,6 @@ func (g *Guard) reconnectLoopWithRetry(ctx context.Context, callback func()) {
 			tickerChannel = ticker.C
 			iceState.reset()
 
-		case <-netChanged:
-			// Re-arm for the next transition before acting on this one.
-			netChanged = g.netState.Changed()
-			if !g.netState.IsOnline() {
-				continue
-			}
-			// Ticks skipped while offline drove the backoff towards its
-			// maximum without ever attempting, and left the ICE budget
-			// frozen — possibly in hourly mode. Recover on our own so the
-			// peer does not depend on a signal or relay event that never
-			// comes when both stayed up across the outage.
-			g.log.Debugf("network is back, reset reconnection ticker")
-			ticker.Stop()
-			ticker = g.newReconnectTicker(ctx)
-			tickerChannel = ticker.C
-			iceState.reset()
-
 		case <-ctx.Done():
 			g.log.Debugf("context is done, stop reconnect loop")
 			return

client/internal/peer/guard/guard_leak_test.go

@@ -15,7 +15,7 @@ import (
 
 func newTestGuard(status connStatusFunc) *Guard {
 	srw := NewSRWatcher(nil, nil, nil, ice.Config{})
-	return NewGuard(log.WithField("test", "guard"), status, 50*time.Millisecond, srw, nil)
+	return NewGuard(log.WithField("test", "guard"), status, 50*time.Millisecond, srw)
 }
 
 // countBackoffTickerGoroutines returns how many goroutines are currently sitting

client/internal/peer/guard/guard_netstate_test.go

@@ -1,107 +0,0 @@
-package guard
-
-import (
-	"context"
-	"sync/atomic"
-	"testing"
-	"time"
-
-	log "github.com/sirupsen/logrus"
-
-	"github.com/netbirdio/netbird/client/internal/peer/ice"
-	"github.com/netbirdio/netbird/client/netstate"
-)
-
-// newTestGuardWithNetState builds a guard with a realistic MaxInterval: the
-// backoff must be able to grow well past the outage, as it does in production
-// where the timeout is seconds to minutes.
-func newTestGuardWithNetState(status connStatusFunc, netState *netstate.State) *Guard {
-	srw := NewSRWatcher(nil, nil, nil, ice.Config{})
-	return NewGuard(log.WithField("test", "guard"), status, 30*time.Second, srw, netState)
-}
-
-// TestGuard_RecoversAfterOfflineToOnline covers a peer that stays disconnected
-// across a network outage while neither signal nor relay reports an event —
-// both stayed up, as on a short airplane mode toggle over Wi-Fi.
-//
-// Every tick taken while offline is skipped, but it still advances the
-// exponential backoff, so by the time the network returns the next tick can be
-// tens of seconds away. Without an explicit reaction to the transition the
-// peer waits out that interval for a recovery that could start immediately.
-func TestGuard_RecoversAfterOfflineToOnline(t *testing.T) {
-	netState := netstate.New()
-
-	var attempts atomic.Int32
-	g := newTestGuardWithNetState(func() ConnStatus { return ConnStatusDisconnected }, netState)
-
-	ctx, cancel := context.WithCancel(context.Background())
-	defer cancel()
-	// Start from the reconnect ticker (800ms initial interval), the state a
-	// peer is in after it loses its connection.
-	go g.Start(ctx, func() { attempts.Add(1) })
-	g.SetRelayedConnDisconnected()
-
-	// Let the backoff climb: 0.8s, 1.6s, 3.2s, 6.4s ... every tick is skipped
-	// while offline, but each one doubles the wait for the next.
-	netState.Set(false)
-	time.Sleep(8 * time.Second)
-
-	offlineAttempts := attempts.Load()
-	if offlineAttempts != 0 {
-		t.Fatalf("callback ran %d times while offline, want 0", offlineAttempts)
-	}
-
-	netState.Set(true)
-
-	// The next organic tick is now several seconds out, so anything within
-	// this window can only come from reacting to the transition itself.
-	pollCtx, stopPolling := context.WithTimeout(ctx, 2*time.Second)
-	defer stopPolling()
-
-	select {
-	case <-pollCtx.Done():
-		t.Fatal("peer was not retried within 2s of the network coming back, " +
-			"with neither a signal nor a relay event to fall back on")
-	case <-pollUntil(pollCtx, func() bool { return attempts.Load() > 0 }):
-	}
-}
-
-// TestGuard_OfflineTransitionDoesNotRetry checks the other direction: going
-// offline must not itself trigger an attempt.
-func TestGuard_OfflineTransitionDoesNotRetry(t *testing.T) {
-	netState := netstate.New()
-
-	var attempts atomic.Int32
-	g := newTestGuardWithNetState(func() ConnStatus { return ConnStatusDisconnected }, netState)
-
-	ctx, cancel := context.WithCancel(context.Background())
-	defer cancel()
-	go g.Start(ctx, func() { attempts.Add(1) })
-
-	netState.Set(false)
-	time.Sleep(5 * time.Second)
-
-	if got := attempts.Load(); got != 0 {
-		t.Fatalf("callback ran %d times after going offline, want 0", got)
-	}
-}
-
-// pollUntil closes the returned channel once cond holds. It gives up when ctx
-// is done, so the polling goroutine never outlives the test that started it.
-func pollUntil(ctx context.Context, cond func() bool) <-chan struct{} {
-	done := make(chan struct{})
-	go func() {
-		for {
-			if cond() {
-				close(done)
-				return
-			}
-			select {
-			case <-ctx.Done():
-				return
-			case <-time.After(10 * time.Millisecond):
-			}
-		}
-	}()
-	return done
-}

client/internal/peer/listener.go

@@ -1,40 +1,11 @@
 package peer
 
-// ClientState identifies the client connection state delivered via
-// Listener.OnStateChanged.
-type ClientState int
-
-// Client states. The numeric values cross the gomobile boundary (the mobile
-// bindings re-export them as integer constants), so they are a wire format:
-// append new states at the end, never reorder or insert.
-const (
-	ClientStateDisconnected ClientState = iota
-	ClientStateConnected
-	ClientStateConnecting
-	ClientStateDisconnecting
-	// ClientStateNoNetwork is an overlay state: it is never stored as the
-	// last notification, only derived from ClientStateConnecting while the
-	// OS reports no usable network (see notifier.effectiveState).
-	ClientStateNoNetwork
-)
-
 // Listener is a callback type about the NetBird network connection state
 type Listener interface {
-	// OnStateChanged reports every client state transition. New states are
-	// delivered only through this callback; the per-state callbacks below
-	// are kept for compatibility and will be removed once all consumers
-	// have migrated.
-	OnStateChanged(state ClientState)
-
-	// Deprecated: consume OnStateChanged instead.
 	OnConnected()
-	// Deprecated: consume OnStateChanged instead.
 	OnDisconnected()
-	// Deprecated: consume OnStateChanged instead.
 	OnConnecting()
-	// Deprecated: consume OnStateChanged instead.
 	OnDisconnecting()
-
 	OnAddressChanged(string, string)
 	OnPeersListChanged(int)
 }

client/internal/peer/notifier.go

@@ -4,64 +4,31 @@ import (
 	"sync"
 )
 
+const (
+	stateDisconnected = iota
+	stateConnected
+	stateConnecting
+	stateDisconnecting
+)
+
 type notifier struct {
-	// publishLock orders state publication: it is held across computing the
-	// effective state and handing it to the listener, so a transition cannot
-	// overtake a newer one and leave the listener on a stale state.
-	publishLock        sync.Mutex
 	serverStateLock    sync.Mutex
 	listenersLock      sync.Mutex
 	listener           Listener
 	currentClientState bool
-	lastNotification   ClientState
+	lastNotification   int
 	lastNumberOfPeers  int
 	lastFqdnAddress    string
 	lastIPAddress      string
-	networkAvailable   bool
 }
 
 func newNotifier() *notifier {
-	return &notifier{
-		networkAvailable: true,
-	}
-}
-
-// effectiveState maps the computed state to what listeners should see:
-// while the OS reports no usable network, "Connecting" would be a lie —
-// connection attempts are suspended — so it is reported as NoNetwork.
-// Caller must hold serverStateLock.
-func (n *notifier) effectiveState(state ClientState) ClientState {
-	if !n.networkAvailable && state == ClientStateConnecting {
-		return ClientStateNoNetwork
-	}
-	return state
-}
-
-// setNetworkAvailable records the OS network availability and re-notifies
-// the listener when the flag flips the effective state (Connecting <->
-// NoNetwork).
-func (n *notifier) setNetworkAvailable(available bool) {
-	n.publishLock.Lock()
-	defer n.publishLock.Unlock()
-
-	n.serverStateLock.Lock()
-	if n.networkAvailable == available {
-		n.serverStateLock.Unlock()
-		return
-	}
-	previous := n.effectiveState(n.lastNotification)
-	n.networkAvailable = available
-	current := n.effectiveState(n.lastNotification)
-	n.serverStateLock.Unlock()
-
-	if previous != current {
-		n.notify(current)
-	}
+	return &notifier{}
 }
 
 func (n *notifier) setListener(listener Listener) {
 	n.serverStateLock.Lock()
-	lastNotification := n.effectiveState(n.lastNotification)
+	lastNotification := n.lastNotification
 	numOfPeers := n.lastNumberOfPeers
 	fqdnAddress := n.lastFqdnAddress
 	address := n.lastIPAddress
@@ -85,9 +52,6 @@ func (n *notifier) removeListener() {
 }
 
 func (n *notifier) updateServerStates(mgmState bool, signalState bool) {
-	n.publishLock.Lock()
-	defer n.publishLock.Unlock()
-
 	n.serverStateLock.Lock()
 	calculatedState := n.calculateState(mgmState, signalState)
 
@@ -97,54 +61,43 @@ func (n *notifier) updateServerStates(mgmState bool, signalState bool) {
 	}
 
 	n.lastNotification = calculatedState
-	effective := n.effectiveState(calculatedState)
 	n.serverStateLock.Unlock()
 
-	n.notify(effective)
+	n.notify(calculatedState)
 }
 
 func (n *notifier) clientStart() {
-	n.publishLock.Lock()
-	defer n.publishLock.Unlock()
-
 	n.serverStateLock.Lock()
 	n.currentClientState = true
-	n.lastNotification = ClientStateConnecting
-	effective := n.effectiveState(ClientStateConnecting)
+	n.lastNotification = stateConnecting
 	n.serverStateLock.Unlock()
 
-	n.notify(effective)
+	n.notify(stateConnecting)
 }
 
 func (n *notifier) clientStop() {
-	n.publishLock.Lock()
-	defer n.publishLock.Unlock()
-
 	n.serverStateLock.Lock()
 	n.currentClientState = false
-	n.lastNotification = ClientStateDisconnected
+	n.lastNotification = stateDisconnected
 	n.serverStateLock.Unlock()
 
-	n.notify(ClientStateDisconnected)
+	n.notify(stateDisconnected)
 }
 
 func (n *notifier) clientTearDown() {
-	n.publishLock.Lock()
-	defer n.publishLock.Unlock()
-
 	n.serverStateLock.Lock()
 	n.currentClientState = false
-	n.lastNotification = ClientStateDisconnecting
+	n.lastNotification = stateDisconnecting
 	n.serverStateLock.Unlock()
 
-	n.notify(ClientStateDisconnecting)
+	n.notify(stateDisconnecting)
 }
 
-func (n *notifier) isServerStateChanged(newState ClientState) bool {
+func (n *notifier) isServerStateChanged(newState int) bool {
 	return n.lastNotification != newState
 }
 
-func (n *notifier) notify(state ClientState) {
+func (n *notifier) notify(state int) {
 	n.listenersLock.Lock()
 	listener := n.listener
 	n.listenersLock.Unlock()
@@ -156,20 +109,20 @@ func (n *notifier) notify(state ClientState) {
 	notifyListener(listener, state)
 }
 
-func (n *notifier) calculateState(managementConn, signalConn bool) ClientState {
+func (n *notifier) calculateState(managementConn, signalConn bool) int {
 	if managementConn && signalConn {
-		return ClientStateConnected
+		return stateConnected
 	}
 
 	if !managementConn && !signalConn && !n.currentClientState {
-		return ClientStateDisconnected
+		return stateDisconnected
 	}
 
-	if n.lastNotification == ClientStateDisconnecting {
-		return ClientStateDisconnecting
+	if n.lastNotification == stateDisconnecting {
+		return stateDisconnecting
 	}
 
-	return ClientStateConnecting
+	return stateConnecting
 }
 
 func (n *notifier) peerListChanged(numOfPeers int) {
@@ -206,19 +159,15 @@ func (n *notifier) localAddressChanged(fqdn, address string) {
 	listener.OnAddressChanged(fqdn, address)
 }
 
-func notifyListener(l Listener, state ClientState) {
-	// legacy per-state callbacks; NoNetwork is delivered only via
-	// OnStateChanged below
+func notifyListener(l Listener, state int) {
 	switch state {
-	case ClientStateDisconnected:
+	case stateDisconnected:
 		l.OnDisconnected()
-	case ClientStateConnected:
+	case stateConnected:
 		l.OnConnected()
-	case ClientStateConnecting:
+	case stateConnecting:
 		l.OnConnecting()
-	case ClientStateDisconnecting:
+	case stateDisconnecting:
 		l.OnDisconnecting()
 	}
-
-	l.OnStateChanged(state)
 }

client/internal/peer/notifier_concurrent_test.go

@@ -1,108 +0,0 @@
-package peer
-
-import (
-	"sync"
-	"testing"
-	"time"
-)
-
-type recordingListener struct {
-	mu      sync.Mutex
-	states  []ClientState
-	onState func(ClientState)
-}
-
-func (l *recordingListener) OnStateChanged(state ClientState) {
-	l.mu.Lock()
-	l.states = append(l.states, state)
-	hook := l.onState
-	l.mu.Unlock()
-
-	if hook != nil {
-		hook(state)
-	}
-}
-
-func (l *recordingListener) last() (ClientState, bool) {
-	l.mu.Lock()
-	defer l.mu.Unlock()
-	if len(l.states) == 0 {
-		return 0, false
-	}
-	return l.states[len(l.states)-1], true
-}
-
-func (l *recordingListener) snapshot() []ClientState {
-	l.mu.Lock()
-	defer l.mu.Unlock()
-	return append([]ClientState(nil), l.states...)
-}
-
-func (l *recordingListener) OnConnected()                    {}
-func (l *recordingListener) OnDisconnected()                 {}
-func (l *recordingListener) OnConnecting()                   {}
-func (l *recordingListener) OnDisconnecting()                {}
-func (l *recordingListener) OnAddressChanged(string, string) {}
-func (l *recordingListener) OnPeersListChanged(int)          {}
-
-// TestNotifier_ConcurrentAvailabilityFlipOrdersPublication holds the first
-// transition inside the listener callback and flips availability again from
-// another goroutine while it is parked. The second flip must not publish
-// ahead of the one in flight, otherwise the listener ends up on a state the
-// notifier already superseded.
-func TestNotifier_ConcurrentAvailabilityFlipOrdersPublication(t *testing.T) {
-	n := newNotifier()
-	n.currentClientState = true
-	n.lastNotification = ClientStateConnecting
-
-	entered := make(chan struct{})
-	release := make(chan struct{})
-
-	l := &recordingListener{}
-	l.onState = func(state ClientState) {
-		if state != ClientStateNoNetwork {
-			return
-		}
-		l.mu.Lock()
-		l.onState = nil
-		l.mu.Unlock()
-		close(entered)
-		<-release
-	}
-	n.listener = l
-
-	var wg sync.WaitGroup
-	wg.Add(1)
-	go func() {
-		defer wg.Done()
-		n.setNetworkAvailable(false)
-	}()
-
-	<-entered
-
-	flipped := make(chan struct{})
-	go func() {
-		defer close(flipped)
-		n.setNetworkAvailable(true)
-	}()
-
-	select {
-	case <-flipped:
-		t.Fatal("the online transition published while the offline one was " +
-			"still in flight; publication is not serialized")
-	case <-time.After(200 * time.Millisecond):
-	}
-
-	close(release)
-	<-flipped
-	wg.Wait()
-
-	got, ok := l.last()
-	if !ok {
-		t.Fatal("listener never observed a state")
-	}
-	if got != ClientStateConnecting {
-		t.Fatalf("listener holds %v after the network came back, want Connecting; sequence: %v",
-			got, l.snapshot())
-	}
-}

client/internal/peer/notifier_test.go

@@ -6,32 +6,29 @@ import (
 )
 
 type mocListener struct {
-	lastState ClientState
+	lastState int
 	wg        sync.WaitGroup
 	peersWg   sync.WaitGroup
 	peers     int
 }
 
 func (l *mocListener) OnConnected() {
-	l.lastState = ClientStateConnected
+	l.lastState = stateConnected
 	l.wg.Done()
 }
 func (l *mocListener) OnDisconnected() {
-	l.lastState = ClientStateDisconnected
+	l.lastState = stateDisconnected
 	l.wg.Done()
 }
 func (l *mocListener) OnConnecting() {
-	l.lastState = ClientStateConnecting
+	l.lastState = stateConnecting
 	l.wg.Done()
 }
 func (l *mocListener) OnDisconnecting() {
-	l.lastState = ClientStateDisconnecting
+	l.lastState = stateDisconnecting
 	l.wg.Done()
 }
 
-func (l *mocListener) OnStateChanged(state ClientState) {
-
-}
 func (l *mocListener) OnAddressChanged(host, addr string) {
 
 }
@@ -60,15 +57,15 @@ func Test_notifier_serverState(t *testing.T) {
 
 	type scenario struct {
 		name        string
-		expected    ClientState
+		expected    int
 		mgmState    bool
 		signalState bool
 	}
 	scenarios := []scenario{
-		{"connected", ClientStateConnected, true, true},
-		{"mgm down", ClientStateConnecting, false, true},
-		{"signal down", ClientStateConnecting, true, false},
-		{"disconnected", ClientStateDisconnected, false, false},
+		{"connected", stateConnected, true, true},
+		{"mgm down", stateConnecting, false, true},
+		{"signal down", stateConnecting, true, false},
+		{"disconnected", stateDisconnected, false, false},
 	}
 
 	for _, tt := range scenarios {
@@ -88,7 +85,7 @@ func Test_notifier_SetListener(t *testing.T) {
 	listener.setPeersWaiter()
 
 	n := newNotifier()
-	n.lastNotification = ClientStateConnecting
+	n.lastNotification = stateConnecting
 	n.setListener(listener)
 	listener.wait()
 	listener.waitPeers()
@@ -102,7 +99,7 @@ func Test_notifier_RemoveListener(t *testing.T) {
 	listener.setWaiter()
 	listener.setPeersWaiter()
 	n := newNotifier()
-	n.lastNotification = ClientStateConnecting
+	n.lastNotification = stateConnecting
 	n.setListener(listener)
 	// setListener replays cached state on a goroutine; wait for both the state
 	// and peers callbacks to finish so we don't race on listener.peers.

client/internal/peer/status.go

@@ -1211,12 +1211,6 @@ func (d *Status) ClientTeardown() {
 	d.notifyStateChange()
 }
 
-// SetNetworkAvailable records the OS-reported network availability; while
-// unavailable, listeners see NoNetwork instead of Connecting.
-func (d *Status) SetNetworkAvailable(available bool) {
-	d.notifier.setNetworkAvailable(available)
-}
-
 // SetConnectionListener set a listener to the notifier
 func (d *Status) SetConnectionListener(listener Listener) {
 	d.notifier.setListener(listener)

client/internal/profilemanager/prefs.go

@@ -1,130 +0,0 @@
-package profilemanager
-
-import (
-	"context"
-	"encoding/json"
-	"fmt"
-	"os"
-	"path/filepath"
-	"sync"
-
-	"github.com/netbirdio/netbird/util"
-)
-
-const prefsFileSuffix = ".prefs.json"
-
-var prefsMu sync.Mutex
-
-// Prefs is a namespaced per-profile preference store backed by a single JSON
-// file next to the profile config; it is deleted together with the profile.
-type Prefs struct {
-	path string
-}
-
-// ProfilePrefs returns the preference store of the profile identified by id.
-func (s *ServiceManager) ProfilePrefs(id ID, username string) (*Prefs, error) {
-	if !IsValidProfileFilenameStem(id) {
-		return nil, fmt.Errorf("invalid profile ID: %q", id)
-	}
-	if id == defaultProfileName {
-		return &Prefs{path: filepath.Join(filepath.Dir(DefaultConfigPath), id.String()+prefsFileSuffix)}, nil
-	}
-	configDir, err := s.getConfigDir(username)
-	if err != nil {
-		return nil, fmt.Errorf("get config directory for user %s: %w", username, err)
-	}
-	return &Prefs{path: filepath.Join(configDir, id.String()+prefsFileSuffix)}, nil
-}
-
-// Get unmarshals the namespace section into v and reports whether it exists.
-func (p *Prefs) Get(namespace string, v any) (bool, error) {
-	if namespace == "" {
-		return false, fmt.Errorf("empty prefs namespace")
-	}
-
-	prefsMu.Lock()
-	defer prefsMu.Unlock()
-
-	sections, err := readPrefsFile(p.path)
-	if err != nil {
-		return false, err
-	}
-	raw, ok := sections[namespace]
-	if !ok {
-		return false, nil
-	}
-	if err := json.Unmarshal(raw, v); err != nil {
-		return false, fmt.Errorf("decode prefs namespace %q: %w", namespace, err)
-	}
-	return true, nil
-}
-
-// Put stores v as the namespace section, replacing any previous value.
-func (p *Prefs) Put(namespace string, v any) error {
-	if namespace == "" {
-		return fmt.Errorf("empty prefs namespace")
-	}
-	raw, err := json.Marshal(v)
-	if err != nil {
-		return fmt.Errorf("encode prefs namespace %q: %w", namespace, err)
-	}
-
-	prefsMu.Lock()
-	defer prefsMu.Unlock()
-
-	sections, err := readPrefsFile(p.path)
-	if err != nil {
-		return err
-	}
-	sections[namespace] = raw
-	return writePrefsFile(p.path, sections)
-}
-
-// Remove deletes the namespace section; a missing one is not an error.
-func (p *Prefs) Remove(namespace string) error {
-	if namespace == "" {
-		return fmt.Errorf("empty prefs namespace")
-	}
-
-	prefsMu.Lock()
-	defer prefsMu.Unlock()
-
-	sections, err := readPrefsFile(p.path)
-	if err != nil {
-		return err
-	}
-	if _, ok := sections[namespace]; !ok {
-		return nil
-	}
-	delete(sections, namespace)
-	return writePrefsFile(p.path, sections)
-}
-
-func removePrefsFile(path string) error {
-	prefsMu.Lock()
-	defer prefsMu.Unlock()
-	return os.Remove(path)
-}
-
-func readPrefsFile(path string) (map[string]json.RawMessage, error) {
-	data, err := os.ReadFile(path)
-	if os.IsNotExist(err) {
-		return map[string]json.RawMessage{}, nil
-	}
-	if err != nil {
-		return nil, fmt.Errorf("read prefs: %w", err)
-	}
-
-	sections := map[string]json.RawMessage{}
-	if err := json.Unmarshal(data, &sections); err != nil {
-		return nil, fmt.Errorf("decode prefs: %w", err)
-	}
-	return sections, nil
-}
-
-func writePrefsFile(path string, sections map[string]json.RawMessage) error {
-	if err := util.WriteJsonWithRestrictedPermission(context.Background(), path, sections); err != nil {
-		return fmt.Errorf("write prefs: %w", err)
-	}
-	return nil
-}

client/internal/profilemanager/prefs_test.go

@@ -1,138 +0,0 @@
-package profilemanager
-
-import (
-	"errors"
-	"os"
-	"path/filepath"
-	"testing"
-
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
-)
-
-type testPrefsSection struct {
-	Mode uint8  `json:"mode"`
-	Dest string `json:"dest"`
-}
-
-func TestProfilePrefs_RoundTrip(t *testing.T) {
-	withTestSM(t, func(sm *ServiceManager, username string) {
-		created, err := sm.AddProfile("work", username)
-		require.NoError(t, err)
-
-		prefs, err := sm.ProfilePrefs(created.ID, username)
-		require.NoError(t, err)
-
-		require.NoError(t, prefs.Put("filedrop", testPrefsSection{Mode: 2, Dest: "/tmp/x"}))
-		require.NoError(t, prefs.Put("other", map[string]int{"n": 1}))
-
-		var got testPrefsSection
-		found, err := prefs.Get("filedrop", &got)
-		require.NoError(t, err)
-		assert.True(t, found)
-		assert.Equal(t, testPrefsSection{Mode: 2, Dest: "/tmp/x"}, got)
-
-		var other map[string]int
-		found, err = prefs.Get("other", &other)
-		require.NoError(t, err)
-		assert.True(t, found)
-		assert.Equal(t, map[string]int{"n": 1}, other)
-	})
-}
-
-func TestProfilePrefs_GetMissingNamespace(t *testing.T) {
-	withTestSM(t, func(sm *ServiceManager, username string) {
-		created, err := sm.AddProfile("work", username)
-		require.NoError(t, err)
-
-		prefs, err := sm.ProfilePrefs(created.ID, username)
-		require.NoError(t, err)
-
-		var got testPrefsSection
-		found, err := prefs.Get("filedrop", &got)
-		require.NoError(t, err)
-		assert.False(t, found)
-	})
-}
-
-func TestProfilePrefs_RemoveNamespace(t *testing.T) {
-	withTestSM(t, func(sm *ServiceManager, username string) {
-		created, err := sm.AddProfile("work", username)
-		require.NoError(t, err)
-
-		prefs, err := sm.ProfilePrefs(created.ID, username)
-		require.NoError(t, err)
-
-		require.NoError(t, prefs.Put("filedrop", testPrefsSection{Mode: 1}))
-		require.NoError(t, prefs.Put("other", map[string]int{"n": 1}))
-		require.NoError(t, prefs.Remove("filedrop"))
-		require.NoError(t, prefs.Remove("missing"))
-
-		var got testPrefsSection
-		found, err := prefs.Get("filedrop", &got)
-		require.NoError(t, err)
-		assert.False(t, found)
-
-		var other map[string]int
-		found, err = prefs.Get("other", &other)
-		require.NoError(t, err)
-		assert.True(t, found)
-		assert.Equal(t, map[string]int{"n": 1}, other)
-	})
-}
-
-func TestProfilePrefs_RejectsInvalidID(t *testing.T) {
-	withTestSM(t, func(sm *ServiceManager, username string) {
-		_, err := sm.ProfilePrefs("../escape", username)
-		assert.Error(t, err)
-	})
-}
-
-func TestProfilePrefs_RejectsEmptyNamespace(t *testing.T) {
-	withTestSM(t, func(sm *ServiceManager, username string) {
-		created, err := sm.AddProfile("work", username)
-		require.NoError(t, err)
-
-		prefs, err := sm.ProfilePrefs(created.ID, username)
-		require.NoError(t, err)
-
-		_, err = prefs.Get("", &testPrefsSection{})
-		assert.Error(t, err)
-		assert.Error(t, prefs.Put("", testPrefsSection{}))
-		assert.Error(t, prefs.Remove(""))
-	})
-}
-
-func TestProfilePrefs_DefaultProfile(t *testing.T) {
-	withTestSM(t, func(sm *ServiceManager, username string) {
-		prefs, err := sm.ProfilePrefs(defaultProfileName, username)
-		require.NoError(t, err)
-
-		require.NoError(t, prefs.Put("filedrop", testPrefsSection{Mode: 1}))
-
-		expected := filepath.Join(filepath.Dir(DefaultConfigPath), "default"+prefsFileSuffix)
-		_, err = os.Stat(expected)
-		require.NoError(t, err)
-	})
-}
-
-func TestRemoveProfile_DeletesPrefsFile(t *testing.T) {
-	withTestSM(t, func(sm *ServiceManager, username string) {
-		created, err := sm.AddProfile("work", username)
-		require.NoError(t, err)
-
-		prefs, err := sm.ProfilePrefs(created.ID, username)
-		require.NoError(t, err)
-		require.NoError(t, prefs.Put("filedrop", testPrefsSection{Mode: 2}))
-
-		configDir, err := sm.getConfigDir(username)
-		require.NoError(t, err)
-		prefsPath := filepath.Join(configDir, created.ID.String()+prefsFileSuffix)
-		_, err = os.Stat(prefsPath)
-		require.NoError(t, err)
-
-		require.NoError(t, sm.RemoveProfile(created.ID, username))
-		_, err = os.Stat(prefsPath)
-		assert.True(t, errors.Is(err, os.ErrNotExist), "prefs file should be removed")
-	})
-}

client/internal/profilemanager/service.go

@@ -420,11 +420,6 @@ func (s *ServiceManager) RemoveProfile(id ID, username string) error {
 		log.Warnf("failed to remove profile state file %s: %v", stateFile, err)
 	}
 
-	prefsFile := filepath.Join(filepath.Dir(target.Path), id.String()+prefsFileSuffix)
-	if err := removePrefsFile(prefsFile); err != nil && !os.IsNotExist(err) {
-		log.Warnf("failed to remove profile prefs file %s: %v", prefsFile, err)
-	}
-
 	return nil
 }
 

client/internal/updater/installer/doc.go

@@ -37,32 +37,23 @@
 // Updater Process (Setup):
 //
 //  1. Receives parameters from service via command-line arguments
-//  2. Terminates the UI so the installer does not have to replace a locked image
-//     file, which would otherwise leave the install needing a reboot
-//  3. Runs installer with appropriate silent/quiet flags:
+//  2. Runs installer with appropriate silent/quiet flags:
 //     - Windows EXE: installer.exe /S
-//     - Windows MSI: msiexec.exe /i installer.msi /qn /norestart REBOOT=ReallySuppress /l*v msi.log
+//     - Windows MSI: msiexec.exe /i installer.msi /quiet /qn /l*v msi.log
 //     - macOS PKG: installer -pkg installer.pkg -target /
 //     - macOS Homebrew: brew upgrade netbirdio/tap/netbird
-//  4. Installer terminates the daemon
-//  5. Installer replaces binaries with new version
-//  6. Updater waits for installer to complete. On Windows, MSI exit codes 3010
-//     (ERROR_SUCCESS_REBOOT_REQUIRED) and 1641 (ERROR_SUCCESS_REBOOT_INITIATED)
-//     are a pending-reboot outcome, not a failure: the install succeeded, but
-//     some files are only replaced on the next restart (the reboot itself is
-//     suppressed via /norestart and REBOOT=ReallySuppress), and the flow
-//     continues as on success
-//  7. Updater restarts daemon:
+//  3. Installer terminates daemon and UI processes
+//  4. Installer replaces binaries with new version
+//  5. Updater waits for installer to complete
+//  6. Updater restarts daemon:
 //     - Windows: netbird.exe service start
 //     - macOS/Linux: netbird service start
-//  8. Updater restarts UI:
-//     - Windows: Launches netbird-ui.exe using CreateProcessAsUser in every
-//     session it was terminated in, falling back to the active console session
+//  7. Updater restarts UI:
+//     - Windows: Launches netbird-ui.exe as active console user using CreateProcessAsUser
 //     - macOS: Uses launchctl asuser to launch NetBird.app for console user
 //     - Linux: Not implemented (UI typically auto-starts)
-//  9. Updater writes result.json with success/error status (a pending reboot is
-//     recorded as success)
-//  10. Updater process exits
+//  8. Updater writes result.json with success/error status
+//  9. Updater process exits
 //
 // # Result Communication
 //

client/internal/updater/installer/installer_common.go

@@ -42,9 +42,6 @@ func NewWithDir(tempDir string) *Installer {
 // This will run by the original service process
 func (u *Installer) RunInstallation(ctx context.Context, targetVersion string) (err error) {
 	resultHandler := NewResultHandler(u.tempDir)
-	if err := resultHandler.ClearStaleResult(); err != nil {
-		log.Warnf("clear stale installer result: %v", err)
-	}
 
 	defer func() {
 		if err != nil {

client/internal/updater/installer/installer_run_windows.go

@@ -2,7 +2,6 @@ package installer
 
 import (
 	"context"
-	"errors"
 	"fmt"
 	"os"
 	"os/exec"
@@ -23,12 +22,6 @@ const (
 
 	msiLogFile = "msi.log"
 
-	// ERROR_SUCCESS_REBOOT_REQUIRED and ERROR_SUCCESS_REBOOT_INITIATED
-	msiRebootRequired  = 3010
-	msiRebootInitiated = 1641
-
-	processExitWait = 10 * time.Second
-
 	msiDownloadURL = "https://github.com/netbirdio/netbird/releases/download/v%version/netbird_installer_%version_windows_%arch.msi"
 	exeDownloadURL = "https://github.com/netbirdio/netbird/releases/download/v%version/netbird_installer_%version_windows_%arch.exe"
 )
@@ -45,8 +38,6 @@ var (
 func (u *Installer) Setup(ctx context.Context, dryRun bool, installerFile string, daemonFolder string) (resultErr error) {
 	resultHandler := NewResultHandler(u.tempDir)
 
-	var uiSessions []uint32
-
 	// Always ensure daemon and UI are restarted after setup
 	defer func() {
 		log.Infof("starting daemon back")
@@ -55,7 +46,7 @@ func (u *Installer) Setup(ctx context.Context, dryRun bool, installerFile string
 		}
 
 		log.Infof("starting UI back")
-		if err := u.startUI(daemonFolder, uiSessions); err != nil {
+		if err := u.startUIAsUser(daemonFolder); err != nil {
 			log.Errorf("failed to start UI: %v", err)
 		}
 
@@ -84,14 +75,6 @@ func (u *Installer) Setup(ctx context.Context, dryRun bool, installerFile string
 		return
 	}
 
-	// The UI holds an open handle on its own image. Left running, Restart Manager
-	// cannot shut it down (msiexec runs as LocalSystem here, the UI as the
-	// interactive user), so the MSI falls back to replacing the file on reboot and
-	// marks the install as restart-required. The deferred close-application action
-	// in the package runs too late to prevent that, it happens after
-	// InstallValidate has already registered the file as in use.
-	uiSessions = killUI()
-
 	var cmd *exec.Cmd
 	switch installerType {
 	case TypeExe:
@@ -101,9 +84,7 @@ func (u *Installer) Setup(ctx context.Context, dryRun bool, installerFile string
 		installerDir := filepath.Dir(installerFile)
 		logPath := filepath.Join(installerDir, msiLogFile)
 		log.Infof("run msi installer: %s", installerFile)
-		// REBOOT=ReallySuppress: a silent install has no way to ask, so without it
-		// msiexec reboots the machine on its own if it decides one is needed.
-		cmd = exec.CommandContext(ctx, "msiexec.exe", "/i", filepath.Base(installerFile), "/qn", "/norestart", "REBOOT=ReallySuppress", "/l*v", logPath)
+		cmd = exec.CommandContext(ctx, "msiexec.exe", "/i", filepath.Base(installerFile), "/quiet", "/qn", "/l*v", logPath)
 	}
 
 	cmd.Dir = filepath.Dir(installerFile)
@@ -114,13 +95,9 @@ func (u *Installer) Setup(ctx context.Context, dryRun bool, installerFile string
 	}
 
 	log.Infof("installer started with PID %d", cmd.Process.Pid)
-	if err := cmd.Wait(); err != nil {
-		if !isRebootPending(err) {
-			resultErr = err
-			log.Errorf("installer process finished with error: %v", err)
-			return
-		}
-		log.Warnf("installer completed but reported a pending reboot, some files will be replaced on the next restart")
+	if resultErr = cmd.Wait(); resultErr != nil {
+		log.Errorf("installer process finished with error: %v", resultErr)
+		return
 	}
 
 	return nil
@@ -140,142 +117,16 @@ func (u *Installer) startDaemon(daemonFolder string) error {
 	return nil
 }
 
-func (u *Installer) startUI(daemonFolder string, sessionIDs []uint32) error {
+func (u *Installer) startUIAsUser(daemonFolder string) error {
 	uiPath := filepath.Join(daemonFolder, uiName)
 	log.Infof("starting netbird-ui: %s", uiPath)
 
-	if len(sessionIDs) == 0 {
-		sessionID := windows.WTSGetActiveConsoleSessionId()
-		if sessionID == 0xFFFFFFFF {
-			return fmt.Errorf("no active user session found")
-		}
-		sessionIDs = []uint32{sessionID}
+	// Get the active console session ID
+	sessionID := windows.WTSGetActiveConsoleSessionId()
+	if sessionID == 0xFFFFFFFF {
+		return fmt.Errorf("no active user session found")
 	}
 
-	var errs []error
-	for _, sessionID := range sessionIDs {
-		if err := startUIInSession(uiPath, sessionID); err != nil {
-			errs = append(errs, fmt.Errorf("session %d: %w", sessionID, err))
-			continue
-		}
-		log.Infof("netbird-ui started successfully in session %d", sessionID)
-	}
-	return errors.Join(errs...)
-}
-
-// isRebootPending reports whether the installer exit code means it succeeded but
-// left work for the next restart. The reboot itself is suppressed, so this is not
-// a failure.
-func isRebootPending(err error) bool {
-	var exitErr *exec.ExitError
-	if !errors.As(err, &exitErr) {
-		return false
-	}
-
-	switch exitErr.ExitCode() {
-	case msiRebootRequired, msiRebootInitiated:
-		return true
-	default:
-		return false
-	}
-}
-
-// killUI terminates any running netbird-ui process and returns the IDs of the
-// interactive sessions the terminated processes belonged to. Setup starts the
-// UI again in those sessions once the installer is done.
-func killUI() []uint32 {
-	pids, err := processIDsByName(uiName)
-	if err != nil {
-		log.Warnf("failed to look up %s processes: %v", uiName, err)
-		return nil
-	}
-
-	sessions := make(map[uint32]struct{})
-	for _, pid := range pids {
-		var sessionID uint32
-		if err := windows.ProcessIdToSessionId(pid, &sessionID); err != nil {
-			log.Warnf("failed to look up session of %s (PID %d): %v", uiName, pid, err)
-		}
-
-		if err := terminateProcess(pid); err != nil {
-			log.Warnf("failed to terminate %s (PID %d): %v", uiName, pid, err)
-			continue
-		}
-		log.Infof("terminated %s (PID %d) in session %d", uiName, pid, sessionID)
-
-		if sessionID != 0 {
-			sessions[sessionID] = struct{}{}
-		}
-	}
-
-	sessionIDs := make([]uint32, 0, len(sessions))
-	for sessionID := range sessions {
-		sessionIDs = append(sessionIDs, sessionID)
-	}
-	return sessionIDs
-}
-
-func processIDsByName(name string) ([]uint32, error) {
-	snapshot, err := windows.CreateToolhelp32Snapshot(windows.TH32CS_SNAPPROCESS, 0)
-	if err != nil {
-		return nil, fmt.Errorf("create process snapshot: %w", err)
-	}
-	defer func() {
-		if err := windows.CloseHandle(snapshot); err != nil {
-			log.Warnf("failed to close process snapshot: %v", err)
-		}
-	}()
-
-	var entry windows.ProcessEntry32
-	entry.Size = uint32(unsafe.Sizeof(entry))
-
-	var pids []uint32
-	for err = windows.Process32First(snapshot, &entry); err == nil; err = windows.Process32Next(snapshot, &entry) {
-		if strings.EqualFold(windows.UTF16ToString(entry.ExeFile[:]), name) {
-			pids = append(pids, entry.ProcessID)
-		}
-	}
-	if !errors.Is(err, windows.ERROR_NO_MORE_FILES) {
-		return nil, fmt.Errorf("enumerate processes: %w", err)
-	}
-
-	return pids, nil
-}
-
-func terminateProcess(pid uint32) error {
-	handle, err := windows.OpenProcess(windows.PROCESS_TERMINATE|windows.SYNCHRONIZE, false, pid)
-	if err != nil {
-		// The process may have exited between enumeration and now.
-		if errors.Is(err, windows.ERROR_INVALID_PARAMETER) {
-			return nil
-		}
-		return fmt.Errorf("open process: %w", err)
-	}
-	defer func() {
-		if err := windows.CloseHandle(handle); err != nil {
-			log.Warnf("failed to close process handle: %v", err)
-		}
-	}()
-
-	if err := windows.TerminateProcess(handle, 0); err != nil {
-		return fmt.Errorf("terminate process: %w", err)
-	}
-
-	// Wait for the handle to signal so the image file is released before the
-	// installer tries to overwrite it. A timeout is reported through the returned
-	// event, not through err, which stays nil unless the wait itself failed.
-	event, err := windows.WaitForSingleObject(handle, uint32(processExitWait.Milliseconds()))
-	if err != nil {
-		return fmt.Errorf("wait for process exit: %w", err)
-	}
-	if event != windows.WAIT_OBJECT_0 {
-		return fmt.Errorf("wait for process exit: unexpected wait result %#x", event)
-	}
-
-	return nil
-}
-
-func startUIInSession(uiPath string, sessionID uint32) error {
 	// Get the user token for that session
 	var userToken windows.Token
 	err := windows.WTSQueryUserToken(sessionID, &userToken)
@@ -307,16 +158,6 @@ func startUIInSession(uiPath string, sessionID uint32) error {
 		}
 	}()
 
-	var env *uint16
-	if err := windows.CreateEnvironmentBlock(&env, primaryToken, false); err != nil {
-		return fmt.Errorf("create environment block: %w", err)
-	}
-	defer func() {
-		if err := windows.DestroyEnvironmentBlock(env); err != nil {
-			log.Warnf("failed to destroy environment block: %v", err)
-		}
-	}()
-
 	// Prepare startup info
 	var si windows.StartupInfo
 	si.Cb = uint32(unsafe.Sizeof(si))
@@ -339,7 +180,7 @@ func startUIInSession(uiPath string, sessionID uint32) error {
 		nil,
 		false,
 		creationFlags,
-		env,
+		nil,
 		nil,
 		&si,
 		&pi,
@@ -356,6 +197,7 @@ func startUIInSession(uiPath string, sessionID uint32) error {
 		log.Warnf("failed to close thread handle: %v", err)
 	}
 
+	log.Infof("netbird-ui started successfully in session %d", sessionID)
 	return nil
 }
 

client/internal/updater/installer/installer_run_windows_test.go

@@ -1,108 +0,0 @@
-package installer
-
-import (
-	"errors"
-	"os/exec"
-	"slices"
-	"strconv"
-	"testing"
-)
-
-// exitErrorWithCode returns a real *exec.ExitError carrying the given exit code.
-func exitErrorWithCode(t *testing.T, code int) error {
-	t.Helper()
-
-	err := exec.Command("cmd.exe", "/c", "exit "+strconv.Itoa(code)).Run()
-	if err == nil {
-		t.Fatalf("expected a non-zero exit for code %d", code)
-	}
-	return err
-}
-
-func TestIsRebootPending(t *testing.T) {
-	tests := []struct {
-		name string
-		code int
-		want bool
-	}{
-		{name: "reboot required", code: msiRebootRequired, want: true},
-		{name: "reboot initiated", code: msiRebootInitiated, want: true},
-		{name: "generic failure", code: 1603, want: false},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			if got := isRebootPending(exitErrorWithCode(t, tt.code)); got != tt.want {
-				t.Errorf("isRebootPending(exit %d) = %v, want %v", tt.code, got, tt.want)
-			}
-		})
-	}
-}
-
-// TestProcessIDsByNameAndTerminate spawns a long-running system process, finds it
-// by name and terminates it, covering the path the updater uses to release the UI
-// image file before the installer replaces it.
-func TestProcessIDsByNameAndTerminate(t *testing.T) {
-	cmd := exec.Command("ping.exe", "-n", "60", "127.0.0.1")
-	if err := cmd.Start(); err != nil {
-		t.Fatalf("start ping: %v", err)
-	}
-
-	pid := uint32(cmd.Process.Pid)
-	killed := false
-	t.Cleanup(func() {
-		if !killed {
-			_ = cmd.Process.Kill()
-		}
-		_ = cmd.Wait()
-	})
-
-	// Name matching must be case-insensitive: the snapshot reports PING.EXE.
-	pids, err := processIDsByName("ping.exe")
-	if err != nil {
-		t.Fatalf("processIDsByName: %v", err)
-	}
-
-	if !slices.Contains(pids, pid) {
-		t.Fatalf("PID %d not among the ping.exe processes found: %v", pid, pids)
-	}
-
-	if err := terminateProcess(pid); err != nil {
-		t.Fatalf("terminateProcess: %v", err)
-	}
-	killed = true
-
-	// terminateProcess only returns once the handle has signalled, so the process
-	// is already gone and Wait must not block. It exits with the code passed to
-	// TerminateProcess, which is 0, so Wait reports no error.
-	if err := cmd.Wait(); err != nil {
-		t.Fatalf("wait for terminated ping: %v", err)
-	}
-	if !cmd.ProcessState.Exited() {
-		t.Error("process did not exit after terminateProcess")
-	}
-
-	remaining, err := processIDsByName("ping.exe")
-	if err != nil {
-		t.Fatalf("processIDsByName after terminate: %v", err)
-	}
-	if slices.Contains(remaining, pid) {
-		t.Errorf("PID %d still listed after terminateProcess", pid)
-	}
-}
-
-func TestProcessIDsByNameNoMatch(t *testing.T) {
-	pids, err := processIDsByName("netbird-nonexistent-process.exe")
-	if err != nil {
-		t.Fatalf("processIDsByName: %v", err)
-	}
-	if len(pids) != 0 {
-		t.Errorf("expected no matches, got %v", pids)
-	}
-}
-
-func TestIsRebootPendingNonExitError(t *testing.T) {
-	if isRebootPending(errors.New("start installer: file not found")) {
-		t.Error("a non-exit error must not be treated as a pending reboot")
-	}
-}

client/internal/updater/installer/result.go

@@ -54,12 +54,6 @@ func (rh *ResultHandler) GetErrorResultReason() string {
 	return ""
 }
 
-// ClearStaleResult removes a result file left over from a previous installation
-// attempt so result watchers cannot read an outdated outcome for the current attempt.
-func (rh *ResultHandler) ClearStaleResult() error {
-	return rh.cleanup()
-}
-
 func (rh *ResultHandler) WriteSuccess() error {
 	result := Result{
 		Success:    true,

client/ios/NetBirdSDK/client.go

@@ -22,8 +22,6 @@ import (
 	"github.com/netbirdio/netbird/client/internal/listener"
 	"github.com/netbirdio/netbird/client/internal/peer"
 	"github.com/netbirdio/netbird/client/internal/profilemanager"
-	"github.com/netbirdio/netbird/client/netstate"
-	"github.com/netbirdio/netbird/client/netsweep"
 	"github.com/netbirdio/netbird/client/system"
 	"github.com/netbirdio/netbird/formatter"
 	"github.com/netbirdio/netbird/route"
@@ -38,6 +36,11 @@ const (
 	AnonymizeLevelStrict  = nbAnonymize.LevelStrictString
 )
 
+// ConnectionListener export internal Listener for mobile
+type ConnectionListener interface {
+	peer.Listener
+}
+
 // RouteListener export internal RouteListener for mobile
 type NetworkChangeListener interface {
 	listener.NetworkChangeListener
@@ -84,12 +87,6 @@ type Client struct {
 	onHostDnsFn           func([]string)
 	dnsManager            dns.IosDnsManager
 	loginComplete         bool
-	// netState outlives engine restarts: it mirrors the OS connectivity, not
-	// the engine lifecycle. Run injects it into each new ConnectClient, which
-	// distributes it to every reconnection loop.
-	netState *netstate.State
-	// sweeper also outlives engine restarts; NotifyNetworkChange sweeps it.
-	sweeper *netsweep.Sweeper
 	// preloadedConfig holds config loaded from JSON (used on tvOS where file writes are blocked)
 	preloadedConfig *profilemanager.Config
 
@@ -112,8 +109,6 @@ func NewClient(cfgFile, stateFile, cacheDir, logFilePath, deviceName string, osV
 		ctxCancelLock:         &sync.Mutex{},
 		networkChangeListener: networkChangeListener,
 		dnsManager:            dnsManager,
-		netState:              netstate.New(),
-		sweeper:               netsweep.New(),
 	}
 }
 
@@ -189,8 +184,7 @@ func (c *Client) Run(fd int32, interfaceName string, envList *EnvList) error {
 	c.onHostDnsFn = func([]string) {}
 	cfg.WgIface = interfaceName
 
-	connectClient := internal.NewConnectClient(ctx, cfg, c.recorder,
-		internal.WithNetworkState(c.netState), internal.WithSweeper(c.sweeper))
+	connectClient := internal.NewConnectClient(ctx, cfg, c.recorder)
 	c.setState(cfg, connectClient)
 	// Persist the latest sync response so DebugBundle can include the network
 	// map. On iOS this is backed by disk to keep it out of the constrained
@@ -199,25 +193,6 @@ func (c *Client) Run(fd int32, interfaceName string, envList *EnvList) error {
 	return connectClient.RunOniOS(fd, c.networkChangeListener, c.dnsManager, c.stateFile, c.cacheDir, c.logFilePath)
 }
 
-// SetNetworkAvailable feeds OS-reported network availability into the client
-// (e.g. from NWPathMonitor). While unavailable, the internal reconnect loops
-// suspend their attempts and the connection listener reports NoNetwork
-// instead of Connecting; when availability returns, the loops resume
-// immediately with a fresh backoff.
-func (c *Client) SetNetworkAvailable(available bool) {
-	c.netState.Set(available)
-	c.recorder.SetNetworkAvailable(available)
-}
-
-// NotifyNetworkChange marks the management, signal and relay connections
-// stale after the OS switched networks and schedules a sweep that cuts
-// whatever has not redialed on the new network by then. The engine and the
-// TUN device stay untouched.
-func (c *Client) NotifyNetworkChange() {
-	c.sweeper.MarkNetworkChange()
-	log.Infof("network change: connections marked stale")
-}
-
 // Stop the internal client and free the resources
 func (c *Client) Stop() {
 	c.ctxCancelLock.Lock()
@@ -356,11 +331,7 @@ func (c *Client) GetStatusDetails() *StatusDetails {
 
 // SetConnectionListener set the network connection listener
 func (c *Client) SetConnectionListener(listener ConnectionListener) {
-	if listener == nil {
-		c.recorder.RemoveConnectionListener()
-		return
-	}
-	c.recorder.SetConnectionListener(connectionListenerAdapter{listener})
+	c.recorder.SetConnectionListener(listener)
 }
 
 // RemoveConnectionListener remove connection listener

client/ios/NetBirdSDK/connection_listener.go

@@ -1,43 +0,0 @@
-//go:build ios
-
-package NetBirdSDK
-
-import (
-	"github.com/netbirdio/netbird/client/internal/peer"
-)
-
-// Client state values, re-exported as basic constants so gomobile emits them
-// into the generated bindings. They mirror peer.ClientState*: append-only,
-// never reorder.
-const (
-	ClientStateDisconnected  = int(peer.ClientStateDisconnected)
-	ClientStateConnected     = int(peer.ClientStateConnected)
-	ClientStateConnecting    = int(peer.ClientStateConnecting)
-	ClientStateDisconnecting = int(peer.ClientStateDisconnecting)
-	ClientStateNoNetwork     = int(peer.ClientStateNoNetwork)
-)
-
-// ConnectionListener export internal Listener for mobile.
-//
-// It intentionally lacks OnStateChanged for now: adding a method to a gomobile
-// interface breaks every Swift implementation, so the iOS app keeps building
-// against the legacy per-state callbacks. A follow-up will extend it together
-// with the app.
-type ConnectionListener interface {
-	OnConnected()
-	OnDisconnected()
-	OnConnecting()
-	OnDisconnecting()
-	OnAddressChanged(string, string)
-	OnPeersListChanged(int)
-}
-
-// connectionListenerAdapter adapts the gomobile-facing ConnectionListener to
-// peer.Listener.
-type connectionListenerAdapter struct {
-	ConnectionListener
-}
-
-// OnStateChanged is dropped on iOS until the app adopts the state callback;
-// the legacy per-state callbacks continue to fire.
-func (a connectionListenerAdapter) OnStateChanged(peer.ClientState) {}

client/ios/NetBirdSDK/login.go

@@ -323,7 +323,7 @@ func (a *Auth) login(urlOpener URLOpener, forceDeviceAuth bool, deviceName strin
 const authInfoRequestTimeout = 30 * time.Second
 
 func (a *Auth) foregroundGetTokenInfo(authClient *auth.Auth, urlOpener URLOpener, forceDeviceAuth bool) (*auth.TokenInfo, error) {
-	oAuthFlow, err := authClient.GetOAuthFlow(a.ctx, forceDeviceAuth, "")
+	oAuthFlow, err := authClient.GetOAuthFlow(a.ctx, forceDeviceAuth)
 	if err != nil {
 		return nil, fmt.Errorf("failed to get OAuth flow: %v", err)
 	}

client/netstate/netstate.go

@@ -1,110 +0,0 @@
-// Package netstate tracks OS-reported network availability for the client.
-//
-// A State instance is owned by the platform integration (e.g. the Android or
-// iOS bindings, fed from ConnectivityManager callbacks or NWPathMonitor) and
-// is injected into the connection retry loops (management, signal, relay,
-// peer guards and the top-level connect loop), which consult it to avoid
-// burning CPU and battery on reconnect attempts while the device has no
-// network at all (e.g. airplane mode), and to reset their backoff as soon as
-// the network returns.
-//
-// Consumers hold a *State that may be nil — every non-mobile platform leaves
-// it unset. The read methods are safe on a nil receiver: they report online
-// and never block, so consumers behave as if this package did not exist.
-package netstate
-
-import (
-	"context"
-	"sync"
-
-	log "github.com/sirupsen/logrus"
-)
-
-// State holds the OS-reported network availability. The zero value is not
-// usable; create instances with New.
-type State struct {
-	mu      sync.Mutex
-	online  bool
-	changed chan struct{}
-}
-
-// New creates a State that starts online. Platforms without network tracking
-// pass a nil *State instead: the read methods treat nil as always online and
-// never block, so consumers need no nil guards.
-func New() *State {
-	return &State{
-		online:  true,
-		changed: make(chan struct{}),
-	}
-}
-
-// Set records whether the OS reports any usable network. Transitions wake up
-// all Wait callers immediately. Unlike the read methods, Set is not nil-safe:
-// it is only for the platform owner that created the State with New.
-func (s *State) Set(online bool) {
-	s.mu.Lock()
-	defer s.mu.Unlock()
-	if s.online == online {
-		return
-	}
-	s.online = online
-	close(s.changed)
-	s.changed = make(chan struct{})
-	log.Infof("OS network availability changed: online=%t", online)
-}
-
-// IsOnline reports whether the OS reports at least one usable network. On a
-// nil receiver — no State injected — it reports online.
-func (s *State) IsOnline() bool {
-	if s == nil {
-		return true
-	}
-	s.mu.Lock()
-	defer s.mu.Unlock()
-	return s.online
-}
-
-// Changed returns a channel closed on the next availability transition, for
-// callers that already own a select loop and cannot block in Wait. Re-read it
-// after every fire: each transition installs a fresh channel. On a nil
-// receiver — no State injected — it returns nil, which blocks forever in a
-// select, so the caller simply never observes a transition.
-func (s *State) Changed() <-chan struct{} {
-	if s == nil {
-		return nil
-	}
-	s.mu.Lock()
-	defer s.mu.Unlock()
-	return s.changed
-}
-
-// Wait blocks while the network is offline. It reports whether it had to
-// wait, so callers can reset their backoff after an outage. It returns early
-// with the context error when ctx is done. On a nil receiver — no State
-// injected — it returns immediately.
-func (s *State) Wait(ctx context.Context) (bool, error) {
-	if s == nil {
-		return false, nil
-	}
-	waited := false
-	for {
-		s.mu.Lock()
-		if s.online {
-			s.mu.Unlock()
-			return waited, nil
-		}
-		ch := s.changed
-		s.mu.Unlock()
-
-		if !waited {
-			waited = true
-			log.Debugf("network is offline, pausing connection attempts")
-		}
-
-		select {
-		case <-ctx.Done():
-			return waited, ctx.Err()
-		case <-ch:
-		}
-	}
-}

client/netstate/netstate_test.go

@@ -1,170 +0,0 @@
-package netstate
-
-import (
-	"context"
-	"sync"
-	"testing"
-	"time"
-
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
-)
-
-func TestNewStateIsOnline(t *testing.T) {
-	assert.True(t, New().IsOnline(), "a fresh State should start online")
-}
-
-func TestSetTogglesOnlineState(t *testing.T) {
-	s := New()
-
-	s.Set(false)
-	assert.False(t, s.IsOnline(), "state should be offline after Set(false)")
-
-	s.Set(true)
-	assert.True(t, s.IsOnline(), "state should be online after Set(true)")
-}
-
-func TestWaitReturnsImmediatelyWhenOnline(t *testing.T) {
-	s := New()
-
-	ctx, cancel := context.WithTimeout(context.Background(), time.Second)
-	defer cancel()
-
-	waited, err := s.Wait(ctx)
-	require.NoError(t, err)
-	assert.False(t, waited, "Wait should not block when the network is online")
-}
-
-func TestWaitBlocksUntilOnline(t *testing.T) {
-	s := New()
-	s.Set(false)
-
-	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
-	defer cancel()
-
-	result := make(chan bool, 1)
-	go func() {
-		waited, err := s.Wait(ctx)
-		if err != nil {
-			result <- false
-			return
-		}
-		result <- waited
-	}()
-
-	// Verify Wait is actually blocking while offline
-	select {
-	case <-result:
-		t.Fatal("Wait should block while the network is offline")
-	case <-time.After(100 * time.Millisecond):
-	}
-
-	s.Set(true)
-
-	select {
-	case waited := <-result:
-		assert.True(t, waited, "Wait should report that it had to wait for the network")
-	case <-time.After(2 * time.Second):
-		t.Fatal("Wait should return promptly after the network becomes available")
-	}
-}
-
-func TestWaitReturnsOnContextCancel(t *testing.T) {
-	s := New()
-	s.Set(false)
-
-	ctx, cancel := context.WithCancel(context.Background())
-
-	result := make(chan error, 1)
-	go func() {
-		_, err := s.Wait(ctx)
-		result <- err
-	}()
-
-	cancel()
-
-	select {
-	case err := <-result:
-		assert.ErrorIs(t, err, context.Canceled)
-	case <-time.After(2 * time.Second):
-		t.Fatal("Wait should return promptly after context cancellation")
-	}
-}
-
-func TestWaitWakesAllWaiters(t *testing.T) {
-	s := New()
-	s.Set(false)
-
-	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
-	defer cancel()
-
-	const waiters = 10
-	var wg sync.WaitGroup
-	results := make(chan bool, waiters)
-	for i := 0; i < waiters; i++ {
-		wg.Add(1)
-		go func() {
-			defer wg.Done()
-			waited, err := s.Wait(ctx)
-			if err != nil {
-				results <- false
-				return
-			}
-			results <- waited
-		}()
-	}
-
-	time.Sleep(100 * time.Millisecond)
-	s.Set(true)
-	wg.Wait()
-
-	close(results)
-	count := 0
-	for waited := range results {
-		assert.True(t, waited, "every waiter should report that it waited")
-		count++
-	}
-	assert.Equal(t, waiters, count, "all waiters should have returned")
-}
-
-func TestNilStateReadsAreNoops(t *testing.T) {
-	var s *State
-
-	assert.True(t, s.IsOnline(), "nil State should report online")
-
-	waited, err := s.Wait(context.Background())
-	require.NoError(t, err)
-	assert.False(t, waited, "nil State's Wait should not block")
-}
-
-func TestConcurrentSetAndWait(t *testing.T) {
-	s := New()
-
-	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
-	defer cancel()
-
-	var wg sync.WaitGroup
-	for i := 0; i < 4; i++ {
-		wg.Add(1)
-		go func() {
-			defer wg.Done()
-			for j := 0; j < 100; j++ {
-				s.Set(j%2 == 0)
-				s.IsOnline()
-			}
-		}()
-	}
-	for i := 0; i < 4; i++ {
-		wg.Add(1)
-		go func() {
-			defer wg.Done()
-			for j := 0; j < 100; j++ {
-				if _, err := s.Wait(ctx); err != nil {
-					return
-				}
-			}
-		}()
-	}
-
-	wg.Wait()
-}

client/netsweep/netsweep.go

@@ -1,267 +0,0 @@
-// Package netsweep cuts network-bound activity when the OS switches networks:
-// a sweep closes the registered connections and aborts the in-flight dials, so
-// their owners redial immediately instead of waiting for the old sockets to
-// time out.
-//
-// A nil *Sweeper disables everything: all methods are nil-safe no-ops.
-package netsweep
-
-import (
-	"context"
-	"errors"
-	"net"
-	"sync"
-	"time"
-
-	"github.com/cenkalti/backoff/v4"
-	log "github.com/sirupsen/logrus"
-
-	"github.com/netbirdio/netbird/client/netstate"
-)
-
-// DefaultSweepDelay absorbs network flapping while the OS settles on a
-// default network before the stale registrations are cut.
-const DefaultSweepDelay = 500 * time.Millisecond
-
-const recentMarkWindow = 3 * time.Second
-
-// Config customizes a Sweeper. The zero value applies the defaults.
-type Config struct {
-	// SweepDelay overrides DefaultSweepDelay when positive.
-	SweepDelay time.Duration
-}
-
-// ErrSwept reports that a dial finished after a network change swept its
-// registration. The connection is already closed; the caller must treat it
-// as a failed dial and redial on the new network.
-var ErrSwept = errors.New("netsweep: connection swept by network change")
-
-// sweepID identifies one registration in a sweeper. Connections and dials
-// draw from the same counter, so an id is unique across both registries.
-type sweepID uint64
-
-type connEntry struct {
-	conn net.Conn
-	gen  uint64
-}
-
-// Dial tracks one dial from start to connection registration. It hands the
-// dialed connection to the sweeper atomically, so a sweep can never fall
-// between the dial finishing and the connection being registered.
-type Dial struct {
-	sweeper *Sweeper
-	ctx     context.Context
-	cancel  context.CancelFunc
-	id      sweepID
-	done    bool // set by a sweep, WrapConn or Release; guarded by sweeper.mu
-	gen     uint64
-}
-
-// Ctx returns the dial's context. A sweep cancels it, so a dial started on the
-// old network aborts instead of waiting out its handshake timeout.
-func (d *Dial) Ctx() context.Context {
-	return d.ctx
-}
-
-// Release ends the dial's registration and cancels its context. It is
-// idempotent and safe after WrapConn, so callers can defer it.
-func (d *Dial) Release() {
-	s := d.sweeper
-	if s == nil {
-		return
-	}
-
-	s.mu.Lock()
-	d.done = true
-	delete(s.dials, d.id)
-	s.mu.Unlock()
-
-	d.cancel()
-}
-
-// sweptConn deregisters itself from the sweeper when closed.
-type sweptConn struct {
-	net.Conn
-	sweeper *Sweeper
-	id      sweepID
-}
-
-func (c *sweptConn) Close() error {
-	c.sweeper.deregister(c.id)
-	return c.Conn.Close()
-}
-
-// Sweeper registers live connections and in-flight dials so the
-// network-change sweep can cut everything registered before the change.
-type Sweeper struct {
-	mu         sync.Mutex
-	conns      map[sweepID]connEntry
-	dials      map[sweepID]*Dial
-	nextID     sweepID
-	gen        uint64
-	timer      *time.Timer
-	sweepDelay time.Duration
-	lastMark   time.Time
-}
-
-// New creates an empty sweeper with the default configuration.
-func New() *Sweeper {
-	return NewWithConfig(Config{})
-}
-
-// NewWithConfig creates an empty sweeper customized by cfg.
-func NewWithConfig(cfg Config) *Sweeper {
-	delay := cfg.SweepDelay
-	if delay <= 0 {
-		delay = DefaultSweepDelay
-	}
-	return &Sweeper{
-		conns:      make(map[sweepID]connEntry),
-		dials:      make(map[sweepID]*Dial),
-		sweepDelay: delay,
-	}
-}
-
-// StartDial registers an in-flight dial. Dial with Ctx, hand the result to
-// WrapConn, and Release the dial when the attempt is over, typically deferred.
-func (s *Sweeper) StartDial(ctx context.Context) *Dial {
-	if s == nil {
-		return &Dial{ctx: ctx}
-	}
-
-	ctx, cancel := context.WithCancel(ctx)
-	d := &Dial{sweeper: s, ctx: ctx, cancel: cancel}
-
-	s.mu.Lock()
-	d.id = s.nextID
-	s.nextID++
-	d.gen = s.gen
-	s.dials[d.id] = d
-	s.mu.Unlock()
-
-	return d
-}
-
-// WrapConn hands conn over to the sweeper. If a sweep ran since StartDial,
-// the connection belongs to the old network: it is closed and ErrSwept is
-// returned. Otherwise conn is registered against the next sweep and returned
-// wrapped, deregistering itself on Close. Call it once, before Release.
-func (d *Dial) WrapConn(conn net.Conn) (net.Conn, error) {
-	s := d.sweeper
-	if s == nil {
-		return conn, nil
-	}
-
-	s.mu.Lock()
-	if d.done {
-		s.mu.Unlock()
-		if err := conn.Close(); err != nil {
-			log.Debugf("swept dial close error: %v", err)
-		}
-		return nil, ErrSwept
-	}
-	d.done = true
-	delete(s.dials, d.id)
-	id := s.nextID
-	s.nextID++
-	// The conn inherits the dial's generation: the socket was bound to the
-	// network that was default when the dial started, not when it finished.
-	s.conns[id] = connEntry{conn: conn, gen: d.gen}
-	s.mu.Unlock()
-
-	return &sweptConn{Conn: conn, sweeper: s, id: id}, nil
-}
-
-// MarkNetworkChange records that the OS switched networks: everything
-// registered so far becomes stale, and a sweep is (re)scheduled after the
-// configured delay to cut whatever is still stale by then. Owners that
-// redialed in the meantime hold fresh-generation registrations and survive,
-// so no cancellation is needed around the sweep.
-func (s *Sweeper) MarkNetworkChange() {
-	if s == nil {
-		return
-	}
-
-	s.mu.Lock()
-	s.gen++
-	cutoff := s.gen
-	s.lastMark = time.Now()
-	if s.timer != nil {
-		s.timer.Stop()
-	}
-	s.timer = time.AfterFunc(s.sweepDelay, func() {
-		n := s.sweep(cutoff)
-		log.Infof("network change sweep: closed %d stale connections", n)
-	})
-	s.mu.Unlock()
-}
-
-// QuickRetryBackoff wraps bo so that after each Reset the first retry comes
-// quickly when the disconnect followed a recent network change and the
-// network is online. Any other failure keeps bo's spread, so the clients of
-// a restarted server still scatter their reconnects. A nil sweeper returns
-// bo unchanged.
-func (s *Sweeper) QuickRetryBackoff(ctx context.Context, bo backoff.BackOff, netState *netstate.State) backoff.BackOff {
-	if s == nil {
-		return bo
-	}
-	return backoff.WithContext(newQuickRetryBackoff(bo, s, netState), ctx)
-}
-
-func (s *Sweeper) markedRecently() bool {
-	if s == nil {
-		return false
-	}
-	s.mu.Lock()
-	defer s.mu.Unlock()
-	return !s.lastMark.IsZero() && time.Since(s.lastMark) < recentMarkWindow
-}
-
-// sweep closes the registered connections and aborts the in-flight dials
-// older than cutoff, and returns how many connections it closed. A dial
-// whose connection was not yet handed to WrapConn is marked, so the late
-// WrapConn closes it instead of registering it.
-func (s *Sweeper) sweep(cutoff uint64) int {
-	if s == nil {
-		return 0
-	}
-
-	s.mu.Lock()
-	var conns []net.Conn
-	for id, e := range s.conns {
-		if e.gen < cutoff {
-			delete(s.conns, id)
-			conns = append(conns, e.conn)
-		}
-	}
-	var dials []*Dial
-	for id, d := range s.dials {
-		if d.gen < cutoff {
-			d.done = true
-			delete(s.dials, id)
-			dials = append(dials, d)
-		}
-	}
-	s.mu.Unlock()
-
-	if len(dials) > 0 {
-		log.Debugf("aborting %d in-flight dials", len(dials))
-		for _, d := range dials {
-			d.cancel()
-		}
-	}
-
-	for _, conn := range conns {
-		log.Debugf("sweeping connection %s -> %s", conn.LocalAddr(), conn.RemoteAddr())
-		if err := conn.Close(); err != nil {
-			log.Debugf("swept connection close error: %v", err)
-		}
-	}
-	return len(conns)
-}
-
-func (s *Sweeper) deregister(id sweepID) {
-	s.mu.Lock()
-	delete(s.conns, id)
-	s.mu.Unlock()
-}

client/netsweep/netsweep_test.go

@@ -1,241 +0,0 @@
-package netsweep
-
-import (
-	"context"
-	"math"
-	"net"
-	"testing"
-	"time"
-
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
-)
-
-func TestSweepClosesRegisteredConns(t *testing.T) {
-	sweeper := New()
-
-	c1 := wrap(t, sweeper, connPair(t))
-	c2 := wrap(t, sweeper, connPair(t))
-
-	assert.Equal(t, 2, sweeper.sweepAll(), "both live connections should be closed")
-
-	// The wrappers must report closed now.
-	buf := make([]byte, 1)
-	_, err := c1.Read(buf)
-	assert.Error(t, err, "first connection should be unusable after the sweep")
-	_, err = c2.Read(buf)
-	assert.Error(t, err, "second connection should be unusable after the sweep")
-
-	assert.Equal(t, 0, sweeper.sweepAll(), "second sweep should find nothing")
-}
-
-func TestCloseDeregisters(t *testing.T) {
-	sweeper := New()
-
-	conn := wrap(t, sweeper, connPair(t))
-	require.NoError(t, conn.Close())
-
-	assert.Equal(t, 0, sweeper.sweepAll(), "closed connection must leave the registry")
-}
-
-func TestCloseIsIdempotent(t *testing.T) {
-	sweeper := New()
-
-	conn := wrap(t, sweeper, connPair(t))
-	require.NoError(t, conn.Close())
-	assert.Error(t, conn.Close(), "double close surfaces the underlying error but must not panic")
-}
-
-func TestSweepOnlyAffectsOlderConns(t *testing.T) {
-	sweeper := New()
-
-	_ = wrap(t, sweeper, connPair(t))
-	assert.Equal(t, 1, sweeper.sweepAll())
-
-	// A connection dialed after the sweep must survive until the next one.
-	_ = wrap(t, sweeper, connPair(t))
-	assert.Equal(t, 1, sweeper.sweepAll(), "post-sweep connection belongs to the next sweep")
-}
-
-func TestSweepAbortsInFlightDials(t *testing.T) {
-	sweeper := New()
-
-	dial := sweeper.StartDial(context.Background())
-	defer dial.Release()
-
-	sweeper.sweepAll()
-
-	assert.ErrorIs(t, dial.Ctx().Err(), context.Canceled, "sweep must cancel the in-flight dial context")
-}
-
-func TestReleasedDialIsNotAborted(t *testing.T) {
-	sweeper := New()
-
-	// Simulate a dial that finished before the sweep.
-	released := sweeper.StartDial(context.Background())
-	released.Release()
-
-	// A dial still in flight during the sweep.
-	pending := sweeper.StartDial(context.Background())
-	defer pending.Release()
-
-	sweeper.sweepAll()
-	assert.ErrorIs(t, pending.Ctx().Err(), context.Canceled, "pending dial must be aborted")
-}
-
-func TestSweepBetweenDialAndHandoffClosesConn(t *testing.T) {
-	sweeper := New()
-
-	dial := sweeper.StartDial(context.Background())
-	defer dial.Release()
-
-	// The dial succeeds on the old network, then the sweep lands before the
-	// connection is handed over.
-	conn := connPair(t)
-	assert.Equal(t, 0, sweeper.sweepAll(), "the connection is not registered yet")
-
-	wrapped, err := dial.WrapConn(conn)
-	require.ErrorIs(t, err, ErrSwept)
-	require.Nil(t, wrapped)
-
-	buf := make([]byte, 1)
-	_, err = conn.Read(buf)
-	assert.Error(t, err, "the old-network connection must be closed, not leaked")
-
-	assert.Equal(t, 0, sweeper.sweepAll(), "nothing may leak into the next sweep")
-}
-
-func TestMarkNetworkChangeSparesFreshConns(t *testing.T) {
-	sweeper := NewWithConfig(Config{SweepDelay: 10 * time.Millisecond})
-
-	stale := wrap(t, sweeper, connPair(t))
-	sweeper.MarkNetworkChange()
-	_ = wrap(t, sweeper, connPair(t))
-
-	_ = stale.SetReadDeadline(time.Now().Add(time.Second))
-	buf := make([]byte, 1)
-	_, err := stale.Read(buf)
-	require.ErrorIs(t, err, net.ErrClosed, "stale connection must be closed by the delayed sweep")
-
-	assert.Equal(t, 1, sweeper.sweepAll(), "the fresh connection must survive the stale sweep")
-}
-
-func TestMarkNetworkChangeAbortsStaleDials(t *testing.T) {
-	sweeper := NewWithConfig(Config{SweepDelay: 10 * time.Millisecond})
-
-	stale := sweeper.StartDial(context.Background())
-	defer stale.Release()
-	sweeper.MarkNetworkChange()
-	fresh := sweeper.StartDial(context.Background())
-	defer fresh.Release()
-
-	assert.Eventually(t, func() bool {
-		return stale.Ctx().Err() != nil
-	}, time.Second, 5*time.Millisecond, "stale dial must be aborted by the delayed sweep")
-	assert.NoError(t, fresh.Ctx().Err(), "post-mark dial must not be aborted")
-}
-
-func TestConnInheritsDialGeneration(t *testing.T) {
-	sweeper := NewWithConfig(Config{SweepDelay: 20 * time.Millisecond})
-
-	// The dial starts before the network change but completes after it: the
-	// socket is bound to the old network, so the sweep must still cut it.
-	dial := sweeper.StartDial(context.Background())
-	defer dial.Release()
-	sweeper.MarkNetworkChange()
-
-	wrapped, err := dial.WrapConn(connPair(t))
-	require.NoError(t, err)
-
-	_ = wrapped.SetReadDeadline(time.Now().Add(time.Second))
-	buf := make([]byte, 1)
-	_, err = wrapped.Read(buf)
-	require.ErrorIs(t, err, net.ErrClosed, "old-generation connection must be swept")
-}
-
-func TestRepeatedMarksCoalesce(t *testing.T) {
-	sweeper := NewWithConfig(Config{SweepDelay: 20 * time.Millisecond})
-
-	first := wrap(t, sweeper, connPair(t))
-	sweeper.MarkNetworkChange()
-	second := wrap(t, sweeper, connPair(t))
-	sweeper.MarkNetworkChange()
-	_ = wrap(t, sweeper, connPair(t))
-
-	buf := make([]byte, 1)
-	for _, conn := range []net.Conn{first, second} {
-		_ = conn.SetReadDeadline(time.Now().Add(time.Second))
-		_, err := conn.Read(buf)
-		require.ErrorIs(t, err, net.ErrClosed, "every pre-mark connection must be swept by the rescheduled sweep")
-	}
-	assert.Equal(t, 1, sweeper.sweepAll(), "only the newest-generation connection may remain")
-}
-
-func TestNilSweeperIsNoop(t *testing.T) {
-	var sweeper *Sweeper
-
-	conn := connPair(t)
-	dial := sweeper.StartDial(context.Background())
-	defer dial.Release()
-
-	wrapped, err := dial.WrapConn(conn)
-	require.NoError(t, err)
-	assert.Equal(t, conn, wrapped, "nil sweeper must return the conn unchanged")
-	assert.NoError(t, dial.Ctx().Err(), "nil sweeper must not cancel the dial context")
-	assert.Equal(t, 0, sweeper.sweepAll(), "nil sweeper closes nothing")
-}
-
-// wrap registers conn with the sweeper through a completed dial.
-func wrap(t *testing.T, sweeper *Sweeper, conn net.Conn) net.Conn {
-	t.Helper()
-
-	dial := sweeper.StartDial(context.Background())
-	defer dial.Release()
-
-	wrapped, err := dial.WrapConn(conn)
-	require.NoError(t, err)
-	return wrapped
-}
-
-// connPair dials a loopback TCP connection and keeps the accepted peer open
-// until the test ends: a peer that closed early would make the connection
-// unreadable on its own, so a read error after the sweep would prove nothing.
-func connPair(t *testing.T) net.Conn {
-	t.Helper()
-
-	l, err := net.Listen("tcp", "127.0.0.1:0")
-	require.NoError(t, err)
-	t.Cleanup(func() {
-		if err := l.Close(); err != nil {
-			t.Logf("listener close error: %v", err)
-		}
-	})
-
-	accepted := make(chan net.Conn, 1)
-	go func() {
-		conn, err := l.Accept()
-		if err != nil {
-			close(accepted)
-			return
-		}
-		accepted <- conn
-	}()
-
-	conn, err := net.Dial("tcp", l.Addr().String())
-	require.NoError(t, err)
-
-	peer, ok := <-accepted
-	require.True(t, ok, "listener must accept the dialed connection")
-	t.Cleanup(func() {
-		if err := peer.Close(); err != nil {
-			t.Logf("peer close error: %v", err)
-		}
-	})
-
-	return conn
-}
-
-// sweepAll cuts every registration regardless of generation.
-func (s *Sweeper) sweepAll() int {
-	return s.sweep(math.MaxUint64)
-}

client/netsweep/quick_retry.go

@@ -1,39 +0,0 @@
-package netsweep
-
-import (
-	"time"
-
-	"github.com/cenkalti/backoff/v4"
-
-	"github.com/netbirdio/netbird/client/netstate"
-)
-
-const quickRetryDelay = 200 * time.Millisecond
-
-type quickRetryBackoff struct {
-	backoff.BackOff
-	sweeper  *Sweeper
-	netState *netstate.State
-	used     bool
-}
-
-func newQuickRetryBackoff(bo backoff.BackOff, sweeper *Sweeper, netState *netstate.State) *quickRetryBackoff {
-	return &quickRetryBackoff{
-		BackOff:  bo,
-		sweeper:  sweeper,
-		netState: netState,
-	}
-}
-
-func (b *quickRetryBackoff) NextBackOff() time.Duration {
-	if !b.used && b.sweeper.markedRecently() && b.netState.IsOnline() {
-		b.used = true
-		return quickRetryDelay
-	}
-	return b.BackOff.NextBackOff()
-}
-
-func (b *quickRetryBackoff) Reset() {
-	b.used = false
-	b.BackOff.Reset()
-}

client/netsweep/quick_retry_test.go

@@ -1,58 +0,0 @@
-package netsweep
-
-import (
-	"context"
-	"testing"
-	"time"
-
-	"github.com/cenkalti/backoff/v4"
-	"github.com/stretchr/testify/assert"
-)
-
-func TestQuickRetryAfterRecentMark(t *testing.T) {
-	sweeper := New()
-	sweeper.MarkNetworkChange()
-
-	slow := backoff.NewConstantBackOff(5 * time.Second)
-	bo := sweeper.QuickRetryBackoff(context.Background(), slow, nil)
-
-	assert.Equal(t, quickRetryDelay, bo.NextBackOff(), "first retry after a mark must be quick")
-	assert.Equal(t, 5*time.Second, bo.NextBackOff(), "second retry must fall back to the wrapped backoff")
-
-	bo.Reset()
-	assert.Equal(t, quickRetryDelay, bo.NextBackOff(), "reset must re-arm the quick retry")
-}
-
-func TestQuickRetryWithoutMarkKeepsSpread(t *testing.T) {
-	sweeper := New()
-
-	slow := backoff.NewConstantBackOff(5 * time.Second)
-	bo := sweeper.QuickRetryBackoff(context.Background(), slow, nil)
-
-	assert.Equal(t, 5*time.Second, bo.NextBackOff(), "without a mark the wrapped backoff decides")
-
-	sweeper.mu.Lock()
-	sweeper.lastMark = time.Now().Add(-recentMarkWindow)
-	sweeper.mu.Unlock()
-	assert.Equal(t, 5*time.Second, bo.NextBackOff(), "a stale mark must not trigger the quick retry")
-}
-
-func TestQuickRetryNilSweeperPassthrough(t *testing.T) {
-	var sweeper *Sweeper
-
-	slow := backoff.NewConstantBackOff(5 * time.Second)
-	bo := sweeper.QuickRetryBackoff(context.Background(), slow, nil)
-
-	assert.Equal(t, backoff.BackOff(slow), bo, "nil sweeper must return the backoff unchanged")
-}
-
-func TestQuickRetryHonorsContext(t *testing.T) {
-	sweeper := New()
-	sweeper.MarkNetworkChange()
-
-	ctx, cancel := context.WithCancel(context.Background())
-	cancel()
-	bo := sweeper.QuickRetryBackoff(ctx, backoff.NewConstantBackOff(time.Millisecond), nil)
-
-	assert.Equal(t, backoff.Stop, bo.NextBackOff(), "cancelled context must stop the retry loop")
-}

client/ssh/client/client.go

@@ -313,23 +313,21 @@ func Dial(ctx context.Context, addr, user string, opts DialOptions) (*Client, er
 
 // dialSSH establishes an SSH connection without JWT authentication
 func dialSSH(ctx context.Context, network, addr string, config *ssh.ClientConfig) (*Client, error) {
-	if config.Timeout > 0 {
-		var cancel context.CancelFunc
-		ctx, cancel = context.WithTimeout(ctx, config.Timeout)
-		defer cancel()
-	}
-
 	dialer := &net.Dialer{}
 	conn, err := dialer.DialContext(ctx, network, addr)
 	if err != nil {
 		return nil, fmt.Errorf("dial %s: %w", addr, err)
 	}
 
-	client, err := nbssh.Handshake(ctx, conn, addr, config)
+	clientConn, chans, reqs, err := ssh.NewClientConn(conn, addr, config)
 	if err != nil {
-		return nil, err
+		if closeErr := conn.Close(); closeErr != nil {
+			log.Debugf("connection close after handshake failure: %v", closeErr)
+		}
+		return nil, fmt.Errorf("ssh handshake: %w", err)
 	}
 
+	client := ssh.NewClient(clientConn, chans, reqs)
 	return &Client{
 		client: client,
 	}, nil

client/ssh/client/terminal_unix.go

@@ -12,8 +12,6 @@ import (
 	log "github.com/sirupsen/logrus"
 	"golang.org/x/crypto/ssh"
 	"golang.org/x/term"
-
-	nbssh "github.com/netbirdio/netbird/client/ssh"
 )
 
 func (c *Client) setupTerminalMode(ctx context.Context, session *ssh.Session) error {
@@ -84,7 +82,37 @@ func (c *Client) setupTerminal(session *ssh.Session, fd int) error {
 		return fmt.Errorf("get terminal size: %w", err)
 	}
 
-	modes := nbssh.DefaultTerminalModes
+	modes := ssh.TerminalModes{
+		ssh.ECHO:          1,
+		ssh.TTY_OP_ISPEED: 14400,
+		ssh.TTY_OP_OSPEED: 14400,
+		// Ctrl+C
+		ssh.VINTR: 3,
+		// Ctrl+\
+		ssh.VQUIT: 28,
+		// Backspace
+		ssh.VERASE: 127,
+		// Ctrl+U
+		ssh.VKILL: 21,
+		// Ctrl+D
+		ssh.VEOF:  4,
+		ssh.VEOL:  0,
+		ssh.VEOL2: 0,
+		// Ctrl+Q
+		ssh.VSTART: 17,
+		// Ctrl+S
+		ssh.VSTOP: 19,
+		// Ctrl+Z
+		ssh.VSUSP: 26,
+		// Ctrl+O
+		ssh.VDISCARD: 15,
+		// Ctrl+R
+		ssh.VREPRINT: 18,
+		// Ctrl+W
+		ssh.VWERASE: 23,
+		// Ctrl+V
+		ssh.VLNEXT: 22,
+	}
 
 	terminal := os.Getenv("TERM")
 	if terminal == "" {

client/ssh/client/terminal_windows.go

@@ -10,8 +10,6 @@ import (
 
 	log "github.com/sirupsen/logrus"
 	"golang.org/x/crypto/ssh"
-
-	nbssh "github.com/netbirdio/netbird/client/ssh"
 )
 
 const (
@@ -82,14 +80,28 @@ func (c *Client) setupTerminalMode(_ context.Context, session *ssh.Session) erro
 	w, h := c.getWindowsConsoleSize()
 
 	modes := ssh.TerminalModes{
-		ssh.ICRNL:  1,
-		ssh.OPOST:  1,
-		ssh.ONLCR:  1,
-		ssh.ISIG:   1,
-		ssh.ICANON: 1,
-	}
-	for mode, value := range nbssh.DefaultTerminalModes {
-		modes[mode] = value
+		ssh.ECHO:          1,
+		ssh.TTY_OP_ISPEED: 14400,
+		ssh.TTY_OP_OSPEED: 14400,
+		ssh.ICRNL:         1,
+		ssh.OPOST:         1,
+		ssh.ONLCR:         1,
+		ssh.ISIG:          1,
+		ssh.ICANON:        1,
+		ssh.VINTR:         3,   // Ctrl+C
+		ssh.VQUIT:         28,  // Ctrl+\
+		ssh.VERASE:        127, // Backspace
+		ssh.VKILL:         21,  // Ctrl+U
+		ssh.VEOF:          4,   // Ctrl+D
+		ssh.VEOL:          0,
+		ssh.VEOL2:         0,
+		ssh.VSTART:        17, // Ctrl+Q
+		ssh.VSTOP:         19, // Ctrl+S
+		ssh.VSUSP:         26, // Ctrl+Z
+		ssh.VDISCARD:      15, // Ctrl+O
+		ssh.VWERASE:       23, // Ctrl+W
+		ssh.VLNEXT:        22, // Ctrl+V
+		ssh.VREPRINT:      18, // Ctrl+R
 	}
 
 	if err := session.RequestPty("xterm-256color", h, w, modes); err != nil {

client/ssh/common.go

@@ -35,19 +35,6 @@ type HostKeyVerifier interface {
 	VerifySSHHostKey(peerAddress string, key []byte) error
 }
 
-// PeerKeyLookup returns the stored SSH host key for a peer address.
-type PeerKeyLookup func(peerAddress string) ([]byte, bool)
-
-// VerifySSHHostKey implements HostKeyVerifier by looking up the stored key
-// and comparing it against the presented key.
-func (l PeerKeyLookup) VerifySSHHostKey(peerAddress string, presentedKey []byte) error {
-	storedKey, found := l(peerAddress)
-	if !found {
-		return ErrPeerNotFound
-	}
-	return VerifyHostKey(storedKey, presentedKey, peerAddress)
-}
-
 // DaemonHostKeyVerifier implements HostKeyVerifier using the NetBird daemon
 type DaemonHostKeyVerifier struct {
 	client proto.DaemonServiceClient

client/ssh/handshake.go

@@ -1,45 +0,0 @@
-package ssh
-
-import (
-	"context"
-	"fmt"
-	"io"
-	"net"
-	"time"
-
-	log "github.com/sirupsen/logrus"
-	"golang.org/x/crypto/ssh"
-)
-
-// Handshake runs the SSH client handshake on an already dialed conn and
-// returns the resulting client. Dialing bounds only the TCP establishment;
-// without a deadline on the socket a peer that accepts and then goes silent
-// blocks the handshake forever, so the context deadline is applied to conn
-// for the duration of the handshake. conn is closed on any error.
-func Handshake(ctx context.Context, conn net.Conn, addr string, config *ssh.ClientConfig) (*ssh.Client, error) {
-	if deadline, ok := ctx.Deadline(); ok {
-		if err := conn.SetDeadline(deadline); err != nil {
-			closeHandshake(conn, "conn after deadline error")
-			return nil, fmt.Errorf("set handshake deadline: %w", err)
-		}
-	}
-
-	sshConn, chans, reqs, err := ssh.NewClientConn(conn, addr, config)
-	if err != nil {
-		closeHandshake(conn, "conn after handshake error")
-		return nil, fmt.Errorf("ssh handshake: %w", err)
-	}
-
-	if err := conn.SetDeadline(time.Time{}); err != nil {
-		closeHandshake(sshConn, "ssh conn after deadline clear error")
-		return nil, fmt.Errorf("clear handshake deadline: %w", err)
-	}
-
-	return ssh.NewClient(sshConn, chans, reqs), nil
-}
-
-func closeHandshake(c io.Closer, label string) {
-	if err := c.Close(); err != nil {
-		log.Debugf("ssh: close %s: %v", label, err)
-	}
-}

client/ssh/proxy/proxy.go

@@ -610,10 +610,13 @@ func (p *SSHProxy) dialBackend(ctx context.Context, addr, user, jwtToken string)
 		return nil, fmt.Errorf("connect to server: %w", err)
 	}
 
-	handshakeCtx, cancel := context.WithTimeout(ctx, sshHandshakeTimeout)
-	defer cancel()
+	clientConn, chans, reqs, err := cryptossh.NewClientConn(conn, addr, config)
+	if err != nil {
+		_ = conn.Close()
+		return nil, fmt.Errorf("SSH handshake: %w", err)
+	}
 
-	return nbssh.Handshake(handshakeCtx, conn, addr, config)
+	return cryptossh.NewClient(clientConn, chans, reqs), nil
 }
 
 func (p *SSHProxy) verifyHostKey(hostname string, remote net.Addr, key cryptossh.PublicKey) error {

client/ssh/session.go

@@ -1,84 +0,0 @@
-package ssh
-
-import (
-	"fmt"
-	"io"
-
-	log "github.com/sirupsen/logrus"
-	"golang.org/x/crypto/ssh"
-)
-
-// DefaultTerminalModes are the PTY modes used by the interactive terminal clients.
-var DefaultTerminalModes = ssh.TerminalModes{
-	ssh.ECHO:          1,
-	ssh.TTY_OP_ISPEED: 14400,
-	ssh.TTY_OP_OSPEED: 14400,
-	ssh.VINTR:         3,   // Ctrl+C
-	ssh.VQUIT:         28,  // Ctrl+\
-	ssh.VERASE:        127, // Backspace
-	ssh.VKILL:         21,  // Ctrl+U
-	ssh.VEOF:          4,   // Ctrl+D
-	ssh.VEOL:          0,
-	ssh.VEOL2:         0,
-	ssh.VSTART:        17, // Ctrl+Q
-	ssh.VSTOP:         19, // Ctrl+S
-	ssh.VSUSP:         26, // Ctrl+Z
-	ssh.VDISCARD:      15, // Ctrl+O
-	ssh.VREPRINT:      18, // Ctrl+R
-	ssh.VWERASE:       23, // Ctrl+W
-	ssh.VLNEXT:        22, // Ctrl+V
-}
-
-// PTYSession is an interactive shell session with a PTY and its I/O pipes.
-type PTYSession struct {
-	Session *ssh.Session
-	Stdin   io.WriteCloser
-	Stdout  io.Reader
-	Stderr  io.Reader
-}
-
-// StartPTYSession opens a session on the client, requests an xterm-256color PTY
-// with the default terminal modes, wires up the I/O pipes and starts a shell.
-// The session is closed on any error.
-func StartPTYSession(client *ssh.Client, cols, rows int) (*PTYSession, error) {
-	session, err := client.NewSession()
-	if err != nil {
-		return nil, fmt.Errorf("new session: %w", err)
-	}
-
-	pty, err := setupPTYSession(session, cols, rows)
-	if err != nil {
-		if closeErr := session.Close(); closeErr != nil {
-			log.Debugf("ssh: session close after setup error: %v", closeErr)
-		}
-		return nil, err
-	}
-	return pty, nil
-}
-
-// setupPTYSession requests the PTY, opens the pipes and starts the shell on an
-// already created session.
-func setupPTYSession(session *ssh.Session, cols, rows int) (*PTYSession, error) {
-	if err := session.RequestPty("xterm-256color", rows, cols, DefaultTerminalModes); err != nil {
-		return nil, fmt.Errorf("request pty: %w", err)
-	}
-
-	stdin, err := session.StdinPipe()
-	if err != nil {
-		return nil, fmt.Errorf("stdin pipe: %w", err)
-	}
-	stdout, err := session.StdoutPipe()
-	if err != nil {
-		return nil, fmt.Errorf("stdout pipe: %w", err)
-	}
-	stderr, err := session.StderrPipe()
-	if err != nil {
-		return nil, fmt.Errorf("stderr pipe: %w", err)
-	}
-
-	if err := session.Shell(); err != nil {
-		return nil, fmt.Errorf("start shell: %w", err)
-	}
-
-	return &PTYSession{Session: session, Stdin: stdin, Stdout: stdout, Stderr: stderr}, nil
-}

client/system/info_android.go

@@ -30,11 +30,6 @@ func GetInfo(ctx context.Context) *Info {
 		kernelVersion = osInfo[2]
 	}
 
-	addrs, err := networkAddresses()
-	if err != nil {
-		log.Warnf("discover network addresses: %s", err)
-	}
-
 	gio := &Info{
 		GoOS:               runtime.GOOS,
 		Kernel:             kernel,
@@ -46,7 +41,6 @@ func GetInfo(ctx context.Context) *Info {
 		NetbirdVersion:     version.NetbirdVersion(),
 		UIVersion:          extractUIVersion(ctx),
 		KernelVersion:      kernelVersion,
-		NetworkAddresses:   addrs,
 		SystemSerialNumber: serial(),
 		SystemProductName:  productModel(),
 		SystemManufacturer: productManufacturer(),

client/system/network_addr.go

@@ -1,4 +1,4 @@
-//go:build !ios && !android
+//go:build !ios
 
 package system
 

client/system/network_addr_android.go

@@ -1,89 +0,0 @@
-package system
-
-import (
-	"net/netip"
-	"strings"
-)
-
-var iFaceDiscover IFaceDiscover
-
-type IFaceDiscover interface {
-	IFaces() (string, error)
-}
-
-// SetIFaceDiscover configures the Android interface discovery provider.
-func SetIFaceDiscover(discover IFaceDiscover) {
-	iFaceDiscover = discover
-}
-
-func networkAddresses() ([]NetworkAddress, error) {
-	if iFaceDiscover == nil {
-		return nil, nil
-	}
-	ifaces, err := iFaceDiscover.IFaces()
-	if err != nil {
-		return nil, err
-	}
-
-	var netAddresses []NetworkAddress
-	for _, line := range strings.Split(ifaces, "\n") {
-		addresses, ok := interfaceAddresses(line)
-		if !ok {
-			continue
-		}
-		for _, address := range addresses {
-			netAddr, ok := toNetworkAddress(address)
-			if !ok {
-				continue
-			}
-			if isDuplicated(netAddresses, netAddr) {
-				continue
-			}
-			netAddresses = append(netAddresses, netAddr)
-		}
-	}
-	return netAddresses, nil
-}
-
-func interfaceAddresses(line string) ([]string, bool) {
-	parts := strings.Split(line, "|")
-	if len(parts) != 2 {
-		return nil, false
-	}
-	flags := strings.Fields(parts[0])
-	if len(flags) != 8 {
-		return nil, false
-	}
-	up, loopback := flags[3], flags[5]
-	if up != "true" || loopback == "true" {
-		return nil, false
-	}
-	return strings.Fields(parts[1]), true
-}
-
-func toNetworkAddress(address string) (NetworkAddress, bool) {
-	prefix, err := netip.ParsePrefix(address)
-	if err != nil {
-		return NetworkAddress{}, false
-	}
-	if prefix.Addr().Is4In6() {
-		if prefix.Bits() < 96 {
-			return NetworkAddress{}, false
-		}
-		prefix = netip.PrefixFrom(prefix.Addr().Unmap(), prefix.Bits()-96)
-	}
-	ip := prefix.Addr()
-	if ip.IsLoopback() || ip.IsLinkLocalUnicast() || ip.IsMulticast() {
-		return NetworkAddress{}, false
-	}
-	return NetworkAddress{NetIP: prefix}, true
-}
-
-func isDuplicated(addresses []NetworkAddress, addr NetworkAddress) bool {
-	for _, duplicated := range addresses {
-		if duplicated.NetIP == addr.NetIP {
-			return true
-		}
-	}
-	return false
-}

client/system/network_addr_test.go

@@ -1,4 +1,4 @@
-//go:build !ios && !android
+//go:build !ios
 
 package system
 

client/wasm/internal/ssh/client.go

@@ -80,12 +80,13 @@ func (c *Client) Connect(host string, port int, username, jwtToken string, ipVer
 		return fmt.Errorf("dial %s: %w", addr, err)
 	}
 
-	sshClient, err := nbssh.Handshake(ctx, conn, addr, config)
+	sshConn, chans, reqs, err := ssh.NewClientConn(conn, addr, config)
 	if err != nil {
-		return err
+		closeWithLog(conn, "connection after handshake error")
+		return fmt.Errorf("SSH handshake: %w", err)
 	}
 
-	c.sshClient = sshClient
+	c.sshClient = ssh.NewClient(sshConn, chans, reqs)
 	logrus.Infof("SSH: Connected to %s", addr)
 
 	return nil
@@ -118,26 +119,57 @@ func (c *Client) getAuthMethods(jwtToken string) ([]ssh.AuthMethod, error) {
 	return []ssh.AuthMethod{ssh.PublicKeys(signer)}, nil
 }
 
-// StartSession starts an SSH session with PTY. It holds the client lock for
-// the whole startup so Close cannot tear the client down mid-setup and the
-// new session cannot be installed into an already closed client.
+// StartSession starts an SSH session with PTY
 func (c *Client) StartSession(cols, rows int) error {
-	c.mu.Lock()
-	defer c.mu.Unlock()
-
 	if c.sshClient == nil {
 		return fmt.Errorf("SSH client not connected")
 	}
 
-	pty, err := nbssh.StartPTYSession(c.sshClient, cols, rows)
+	session, err := c.sshClient.NewSession()
 	if err != nil {
-		return err
+		return fmt.Errorf("create session: %w", err)
 	}
 
-	c.session = pty.Session
-	c.stdin = pty.Stdin
-	c.stdout = pty.Stdout
-	c.stderr = pty.Stderr
+	c.mu.Lock()
+	defer c.mu.Unlock()
+	c.session = session
+
+	modes := ssh.TerminalModes{
+		ssh.ECHO:          1,
+		ssh.TTY_OP_ISPEED: 14400,
+		ssh.TTY_OP_OSPEED: 14400,
+		ssh.VINTR:         3,
+		ssh.VQUIT:         28,
+		ssh.VERASE:        127,
+	}
+
+	if err := session.RequestPty("xterm-256color", rows, cols, modes); err != nil {
+		closeWithLog(session, "session after PTY error")
+		return fmt.Errorf("PTY request: %w", err)
+	}
+
+	c.stdin, err = session.StdinPipe()
+	if err != nil {
+		closeWithLog(session, "session after stdin error")
+		return fmt.Errorf("get stdin: %w", err)
+	}
+
+	c.stdout, err = session.StdoutPipe()
+	if err != nil {
+		closeWithLog(session, "session after stdout error")
+		return fmt.Errorf("get stdout: %w", err)
+	}
+
+	c.stderr, err = session.StderrPipe()
+	if err != nil {
+		closeWithLog(session, "session after stderr error")
+		return fmt.Errorf("get stderr: %w", err)
+	}
+
+	if err := session.Shell(); err != nil {
+		closeWithLog(session, "session after shell error")
+		return fmt.Errorf("start shell: %w", err)
+	}
 
 	logrus.Info("SSH: Session started with PTY")
 	return nil

management/internals/modules/reverseproxy/service/service.go

@@ -388,6 +388,7 @@ func (s *Service) ToProtoMapping(operation Operation, authToken string, oidcConf
 
 	if s.Auth.BearerAuth != nil && s.Auth.BearerAuth.Enabled {
 		auth.Oidc = true
+		auth.AllowedGroupIds = append([]string(nil), s.Auth.BearerAuth.DistributionGroups...)
 	}
 
 	for _, h := range s.Auth.HeaderAuths {

management/internals/modules/reverseproxy/service/service_test.go

@@ -250,6 +250,44 @@ func TestToProtoMapping_TargetOptions(t *testing.T) {
 	assert.Equal(t, int64(30), opts.RequestTimeout.Seconds)
 }
 
+// TestToProtoMapping_AllowedGroupIds covers the list the proxy gates session
+// cookies on: without it the proxy can only check a cookie's signature, which
+// makes a token minted for a user outside the groups a bearer credential.
+func TestToProtoMapping_AllowedGroupIds(t *testing.T) {
+	t.Run("distribution groups reach the proxy", func(t *testing.T) {
+		rp := &Service{
+			ID:        "svc-1",
+			AccountID: "acc-1",
+			Domain:    "example.com",
+			Auth: AuthConfig{
+				BearerAuth: &BearerAuthConfig{
+					Enabled:            true,
+					DistributionGroups: []string{"grp-1", "grp-2"},
+				},
+			},
+		}
+		pm := rp.ToProtoMapping(Create, "token", proxy.OIDCValidationConfig{})
+
+		assert.True(t, pm.GetAuth().GetOidc())
+		assert.Equal(t, []string{"grp-1", "grp-2"}, pm.GetAuth().GetAllowedGroupIds())
+	})
+
+	t.Run("a service open to the account carries no groups", func(t *testing.T) {
+		rp := &Service{
+			ID:        "svc-1",
+			AccountID: "acc-1",
+			Domain:    "example.com",
+			Auth: AuthConfig{
+				BearerAuth: &BearerAuthConfig{Enabled: true},
+			},
+		}
+		pm := rp.ToProtoMapping(Create, "token", proxy.OIDCValidationConfig{})
+
+		assert.True(t, pm.GetAuth().GetOidc())
+		assert.Empty(t, pm.GetAuth().GetAllowedGroupIds(), "an empty list must not restrict access")
+	})
+}
+
 func TestToProtoMapping_NoOptionsWhenDefault(t *testing.T) {
 	rp := &Service{
 		ID:        "svc-1",

management/internals/shared/grpc/proxy.go

@@ -1651,6 +1651,10 @@ var (
 	// ErrUserBlocked reports a blocked user, who may not hold a proxy session.
 	ErrUserBlocked = errors.New("user blocked")
 
+	// ErrUserNotInGroup reports a user outside the service's distribution
+	// groups, who may not hold a proxy session for it.
+	ErrUserNotInGroup = errors.New("user not in allowed groups")
+
 	errUserUnresolved = errors.New("user could not be resolved")
 )
 
@@ -1689,8 +1693,10 @@ func sameAccount(userAccountID, serviceAccountID string) bool {
 // GenerateSessionToken creates a signed session JWT for the given domain and
 // user. The user's group memberships are embedded in the token so policy-aware
 // middlewares on the proxy can authorise without an extra management round-trip.
-// A user the store cannot resolve, or whose account is pending approval or
-// blocked, gets no token at all, so the browser never receives a session cookie.
+// A user the store cannot resolve, whose account is pending approval or blocked,
+// or who is outside the service's distribution groups, gets no token at all: the
+// token is a bearer credential for the service, so authorisation has to run
+// before it is signed rather than only when the proxy presents it back.
 func (s *ProxyServiceServer) GenerateSessionToken(ctx context.Context, domain, userID string, method proxyauth.Method) (string, error) {
 	service, err := s.getServiceByDomain(ctx, domain)
 	if err != nil {
@@ -1726,6 +1732,14 @@ func (s *ProxyServiceServer) GenerateSessionToken(ctx context.Context, domain, u
 		return "", fmt.Errorf("session token for user %s: %w", userID, err)
 	}
 
+	if err := s.checkGroupAccess(service, user); err != nil {
+		log.WithContext(ctx).WithFields(log.Fields{
+			"domain":  domain,
+			"user_id": userID,
+		}).Debug("GenerateSessionToken: user not in the service's distribution groups")
+		return "", fmt.Errorf("session token for user %s: %w", userID, ErrUserNotInGroup)
+	}
+
 	groupIDs, groupNames := pairGroupIDsAndNames(userGroups)
 
 	token, err := sessionkey.SignToken(

management/internals/shared/grpc/validate_session_test.go

@@ -431,6 +431,57 @@ func TestValidateSession_MissingToken(t *testing.T) {
 	assert.Contains(t, resp.DeniedReason, "missing")
 }
 
+// TestGenerateSessionToken_UserNotInAllowedGroupGetsNoToken is the regression
+// guard for the group-authorisation bypass: the callback used to hand a signed
+// token to a user the service denies, and the proxy honoured that token as soon
+// as the user moved it into the nb_session cookie themselves. Authorisation has
+// to run before the token is signed.
+func TestGenerateSessionToken_UserNotInAllowedGroupGetsNoToken(t *testing.T) {
+	setup := setupValidateSessionTest(t)
+	defer setup.cleanup()
+
+	token, err := setup.proxyService.GenerateSessionToken(context.Background(), "restricted-proxy.example.com", "nonGroupUserId", auth.MethodOIDC)
+
+	require.Error(t, err, "a user outside the distribution groups must not receive a token")
+	assert.ErrorIs(t, err, ErrUserNotInGroup, "the callback maps this sentinel onto the access denied page")
+	assert.Empty(t, token, "no token may reach the browser")
+}
+
+func TestGenerateSessionToken_UserInAllowedGroupGetsTokenWithGroups(t *testing.T) {
+	setup := setupValidateSessionTest(t)
+	defer setup.cleanup()
+
+	ctx := context.Background()
+	svc, err := setup.store.GetServiceByID(ctx, store.LockingStrengthNone, "testAccountId", "restrictedProxyId")
+	require.NoError(t, err)
+
+	token, err := setup.proxyService.GenerateSessionToken(ctx, "restricted-proxy.example.com", "allowedUserId", auth.MethodOIDC)
+	require.NoError(t, err)
+	require.NotEmpty(t, token)
+
+	pubKey, err := base64.StdEncoding.DecodeString(svc.SessionPublicKey)
+	require.NoError(t, err)
+
+	userID, _, method, groups, _, err := auth.ValidateSessionJWT(token, "restricted-proxy.example.com", pubKey)
+	require.NoError(t, err)
+	assert.Equal(t, "allowedUserId", userID)
+	assert.Equal(t, auth.MethodOIDC.String(), method)
+	assert.Equal(t, []string{"allowedGroupId"}, groups, "the proxy gates the cookie on this claim, so it must carry the matched group")
+}
+
+// TestGenerateSessionToken_UnrestrictedServiceAllowsAnyAccountUser keeps the new
+// gate scoped: a service without distribution groups is open to every user of
+// its account, as before.
+func TestGenerateSessionToken_UnrestrictedServiceAllowsAnyAccountUser(t *testing.T) {
+	setup := setupValidateSessionTest(t)
+	defer setup.cleanup()
+
+	token, err := setup.proxyService.GenerateSessionToken(context.Background(), "test-proxy.example.com", "nonGroupUserId", auth.MethodOIDC)
+
+	require.NoError(t, err, "an unrestricted service must keep working for any user of the account")
+	assert.NotEmpty(t, token)
+}
+
 type testValidateSessionServiceManager struct {
 	store store.Store
 }

management/server/http/handlers/proxy/auth.go

@@ -100,9 +100,10 @@ func (h *AuthCallbackHandler) handleCallback(w http.ResponseWriter, r *http.Requ
 		return
 	}
 
-	// Group validation is performed by the proxy via ValidateSession gRPC call.
-	// This allows the proxy to show 403 pages directly without redirect dance.
-
+	// GenerateSessionToken applies the service's group and account-status gates,
+	// so a user without access never receives a token. The proxy re-checks the
+	// installed cookie against the service's allowed groups, and renders the
+	// denial page from the error carried back in the redirect.
 	sessionToken, err := h.proxyService.GenerateSessionToken(r.Context(), redirectURL.Hostname(), userID, auth.MethodOIDC)
 	if err != nil {
 		log.WithError(err).Error("Failed to create session token")
@@ -136,6 +137,9 @@ func sessionTokenErrorDescription(err error) string {
 	if errors.Is(err, nbgrpc.ErrUserBlocked) {
 		return "Your account is blocked"
 	}
+	if errors.Is(err, nbgrpc.ErrUserNotInGroup) {
+		return "You are not authorized to access this service"
+	}
 	return "Service configuration error"
 }
 

management/server/http/handlers/setup_keys/setupkeys_handler.go

@@ -64,19 +64,6 @@ func (h *handler) createSetupKey(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	// A one-off key can be used once, and GenerateSetupKey pins its usage limit
-	// at 1 whatever the request says. Silently overriding a caller that asked
-	// for a different number leaves them holding a key that does not do what
-	// they configured, and no way to find out except by using it. Only values
-	// above 1 are refused: usage_limit is a required field with no null, so 0
-	// cannot be told apart from a caller that has nothing to say about it.
-	if types.SetupKeyType(req.Type) == types.SetupKeyOneOff && req.UsageLimit > 1 {
-		util.WriteError(r.Context(), status.Errorf(status.InvalidArgument,
-			"usage_limit %d is not valid for a one-off setup key, which can be used once; use type reusable for a key that can be used more than once",
-			req.UsageLimit), w)
-		return
-	}
-
 	expiresIn := time.Duration(req.ExpiresIn) * time.Second
 
 	if expiresIn < 0 {

management/server/http/handlers/setup_keys/setupkeys_handler_test.go

@@ -134,40 +134,6 @@ func TestSetupKeysHandlers(t *testing.T) {
 			expectedBody:     true,
 			expectedSetupKey: expectedNewKey,
 		},
-		{
-			// A one-off key is used once. Asking for more used to be accepted
-			// and then quietly reduced to 1.
-			name:        "Create One-Off Setup Key With Conflicting Usage Limit",
-			requestType: http.MethodPost,
-			requestPath: "/api/setup-keys",
-			requestBody: bytes.NewBuffer(
-				[]byte(fmt.Sprintf("{\"name\":\"%s\",\"type\":\"one-off\",\"expires_in\":86400,\"usage_limit\":5}", newSetupKeyName))),
-			expectedStatus: http.StatusUnprocessableEntity,
-			expectedBody:   false,
-		},
-		{
-			// 0 is what a caller sends when it has nothing to say about the
-			// usage limit, since the field is required and has no null, so it
-			// has to keep working.
-			name:        "Create One-Off Setup Key Without Usage Limit",
-			requestType: http.MethodPost,
-			requestPath: "/api/setup-keys",
-			requestBody: bytes.NewBuffer(
-				[]byte(fmt.Sprintf("{\"name\":\"%s\",\"type\":\"one-off\",\"expires_in\":86400,\"usage_limit\":0}", newSetupKeyName))),
-			expectedStatus: http.StatusOK,
-			expectedBody:   false,
-		},
-		{
-			// Only one-off keys are constrained; a reusable key means what it
-			// says.
-			name:        "Create Reusable Setup Key With Usage Limit",
-			requestType: http.MethodPost,
-			requestPath: "/api/setup-keys",
-			requestBody: bytes.NewBuffer(
-				[]byte(fmt.Sprintf("{\"name\":\"%s\",\"type\":\"reusable\",\"expires_in\":86400,\"usage_limit\":5}", newSetupKeyName))),
-			expectedStatus: http.StatusOK,
-			expectedBody:   false,
-		},
 		{
 			name:        "Update Setup Key",
 			requestType: http.MethodPut,

management/server/http/testing/integration/setupkeys_handler_integration_test.go

@@ -136,10 +136,7 @@ func Test_SetupKeys_Create(t *testing.T) {
 			},
 		},
 		{
-			// The key used to be created anyway, with its usage limit quietly
-			// reduced to 1, so the caller was told a key they had not asked for
-			// was what they asked for.
-			name:        "Create Setup Key as one-off with more than one usage",
+			name:        "Create Setup Key as on-off with more than one usage",
 			requestType: http.MethodPost,
 			requestPath: "/api/setup-keys",
 			requestBody: &api.CreateSetupKeyRequest{
@@ -149,7 +146,23 @@ func Test_SetupKeys_Create(t *testing.T) {
 				Type:       "one-off",
 				UsageLimit: 3,
 			},
-			expectedStatus: http.StatusUnprocessableEntity,
+			expectedStatus: http.StatusOK,
+			expectedResponse: &api.SetupKey{
+				AutoGroups: []string{},
+				Ephemeral:  false,
+				Expires:    time.Time{},
+				Id:         "",
+				Key:        "",
+				LastUsed:   time.Time{},
+				Name:       testing_tools.NewKeyName,
+				Revoked:    false,
+				State:      "valid",
+				Type:       "one-off",
+				UpdatedAt:  time.Now(),
+				UsageLimit: 1,
+				UsedTimes:  0,
+				Valid:      true,
+			},
 		},
 		{
 			name:        "Create Setup Key with expiration in the past",

proxy/internal/auth/middleware.go

@@ -59,6 +59,11 @@ type DomainConfig struct {
 	IPRestrictions    *restrict.Filter
 	// Private routes the domain through ValidateTunnelPeer; failure → 403.
 	Private bool
+	// AllowedGroups holds the group ids that may reach the service through an
+	// OIDC identity. When non-empty, a session cookie is honoured only if its
+	// groups claim intersects this set. Empty means group membership does not
+	// restrict access.
+	AllowedGroups map[string]struct{}
 }
 
 type validationResult struct {
@@ -316,6 +321,9 @@ func (mw *Middleware) handleOAuthCallbackError(w http.ResponseWriter, r *http.Re
 
 // forwardWithSessionCookie checks for a valid session cookie and, if found,
 // sets the user identity on the request context and forwards to the next handler.
+// A signature-valid cookie is not on its own a grant: an OIDC session must also
+// carry a group the service allows, so a token cannot be replayed past the
+// group check that gated the login it came from.
 func (mw *Middleware) forwardWithSessionCookie(w http.ResponseWriter, r *http.Request, host string, config DomainConfig, next http.Handler) bool {
 	cookie, err := r.Cookie(auth.SessionCookieName)
 	if err != nil {
@@ -325,6 +333,13 @@ func (mw *Middleware) forwardWithSessionCookie(w http.ResponseWriter, r *http.Re
 	if err != nil {
 		return false
 	}
+	if !sessionGroupsAllowed(config.AllowedGroups, auth.Method(method), groups) {
+		mw.logger.WithFields(log.Fields{
+			"host":    host,
+			"user_id": userID,
+		}).Debug("session cookie rejected: groups claim does not intersect the service's allowed groups")
+		return false
+	}
 	if cd := proxy.CapturedDataFromContext(r.Context()); cd != nil {
 		cd.SetUserID(userID)
 		cd.SetUserEmail(email)
@@ -644,7 +659,8 @@ func wasCredentialSubmitted(r *http.Request, method auth.Method) bool {
 
 // AddDomain registers authentication schemes for the given domain. With schemes a valid session public key is required.
 // private=true forces ValidateTunnelPeer enforcement (403 on failure) regardless of the schemes list.
-func (mw *Middleware) AddDomain(domain string, schemes []Scheme, publicKeyB64 string, expiration time.Duration, accountID types.AccountID, serviceID types.ServiceID, ipRestrictions *restrict.Filter, private bool) error {
+// allowedGroups restricts OIDC sessions to the given group ids; empty means unrestricted.
+func (mw *Middleware) AddDomain(domain string, schemes []Scheme, publicKeyB64 string, expiration time.Duration, accountID types.AccountID, serviceID types.ServiceID, ipRestrictions *restrict.Filter, private bool, allowedGroups []string) error {
 	if len(schemes) == 0 {
 		mw.domainsMux.Lock()
 		defer mw.domainsMux.Unlock()
@@ -653,6 +669,7 @@ func (mw *Middleware) AddDomain(domain string, schemes []Scheme, publicKeyB64 st
 			ServiceID:      serviceID,
 			IPRestrictions: ipRestrictions,
 			Private:        private,
+			AllowedGroups:  groupSet(allowedGroups),
 		}
 		return nil
 	}
@@ -675,6 +692,7 @@ func (mw *Middleware) AddDomain(domain string, schemes []Scheme, publicKeyB64 st
 		ServiceID:         serviceID,
 		IPRestrictions:    ipRestrictions,
 		Private:           private,
+		AllowedGroups:     groupSet(allowedGroups),
 	}
 	return nil
 }
@@ -726,6 +744,50 @@ func (mw *Middleware) validateSessionToken(ctx context.Context, host, token stri
 	return &validationResult{UserID: userID, UserEmail: email, Valid: true, Groups: groups, GroupNames: groupNames}, nil
 }
 
+// groupSet builds the lookup set the cookie path consults, returning nil for an
+// empty list so callers can test membership restriction with len().
+func groupSet(groups []string) map[string]struct{} {
+	if len(groups) == 0 {
+		return nil
+	}
+	set := make(map[string]struct{}, len(groups))
+	for _, g := range groups {
+		if g != "" {
+			set[g] = struct{}{}
+		}
+	}
+	if len(set) == 0 {
+		return nil
+	}
+	return set
+}
+
+// sessionGroupsAllowed reports whether a session token's groups claim satisfies
+// the service's allowed groups. Only OIDC sessions are gated: password, PIN and
+// header credentials carry no group identity and are authorised by the secret
+// itself, which mirrors how management validates them. A token minted before the
+// groups claim existed carries none and is therefore denied on a group-restricted
+// service, which sends the user back through login for a fresh decision. A method
+// this build doesn't know carries no such argument, so it is denied.
+func sessionGroupsAllowed(allowed map[string]struct{}, method auth.Method, groups []string) bool {
+	if len(allowed) == 0 {
+		return true
+	}
+	switch method {
+	case auth.MethodPassword, auth.MethodPIN, auth.MethodHeader:
+		return true
+	case auth.MethodOIDC:
+		for _, g := range groups {
+			if _, ok := allowed[g]; ok {
+				return true
+			}
+		}
+		return false
+	default:
+		return false
+	}
+}
+
 // stripSessionTokenParam returns the request URI with the session_token query
 // parameter removed so it doesn't linger in the browser's address bar or history.
 func stripSessionTokenParam(u *url.URL) string {

proxy/internal/auth/middleware_test.go

@@ -64,7 +64,7 @@ func TestAddDomain_ValidKey(t *testing.T) {
 	kp := generateTestKeyPair(t)
 
 	scheme := &stubScheme{method: auth.MethodPIN, promptID: "pin"}
-	err := mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "", "", nil, false)
+	err := mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "", "", nil, false, nil)
 	require.NoError(t, err)
 
 	mw.domainsMux.RLock()
@@ -81,7 +81,7 @@ func TestAddDomain_EmptyKey(t *testing.T) {
 	mw := NewMiddleware(log.StandardLogger(), nil, nil)
 
 	scheme := &stubScheme{method: auth.MethodPIN, promptID: "pin"}
-	err := mw.AddDomain("example.com", []Scheme{scheme}, "", time.Hour, "", "", nil, false)
+	err := mw.AddDomain("example.com", []Scheme{scheme}, "", time.Hour, "", "", nil, false, nil)
 	require.Error(t, err)
 	assert.Contains(t, err.Error(), "invalid session public key size")
 
@@ -95,7 +95,7 @@ func TestAddDomain_InvalidBase64(t *testing.T) {
 	mw := NewMiddleware(log.StandardLogger(), nil, nil)
 
 	scheme := &stubScheme{method: auth.MethodPIN, promptID: "pin"}
-	err := mw.AddDomain("example.com", []Scheme{scheme}, "not-valid-base64!!!", time.Hour, "", "", nil, false)
+	err := mw.AddDomain("example.com", []Scheme{scheme}, "not-valid-base64!!!", time.Hour, "", "", nil, false, nil)
 	require.Error(t, err)
 	assert.Contains(t, err.Error(), "decode session public key")
 
@@ -110,7 +110,7 @@ func TestAddDomain_WrongKeySize(t *testing.T) {
 
 	shortKey := base64.StdEncoding.EncodeToString([]byte("tooshort"))
 	scheme := &stubScheme{method: auth.MethodPIN, promptID: "pin"}
-	err := mw.AddDomain("example.com", []Scheme{scheme}, shortKey, time.Hour, "", "", nil, false)
+	err := mw.AddDomain("example.com", []Scheme{scheme}, shortKey, time.Hour, "", "", nil, false, nil)
 	require.Error(t, err)
 	assert.Contains(t, err.Error(), "invalid session public key size")
 
@@ -123,7 +123,7 @@ func TestAddDomain_WrongKeySize(t *testing.T) {
 func TestAddDomain_NoSchemes_NoKeyRequired(t *testing.T) {
 	mw := NewMiddleware(log.StandardLogger(), nil, nil)
 
-	err := mw.AddDomain("example.com", nil, "", time.Hour, "", "", nil, false)
+	err := mw.AddDomain("example.com", nil, "", time.Hour, "", "", nil, false, nil)
 	require.NoError(t, err, "domains with no auth schemes should not require a key")
 
 	mw.domainsMux.RLock()
@@ -139,8 +139,8 @@ func TestAddDomain_OverwritesPreviousConfig(t *testing.T) {
 
 	scheme := &stubScheme{method: auth.MethodPIN, promptID: "pin"}
 
-	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp1.PublicKey, time.Hour, "", "", nil, false))
-	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp2.PublicKey, 2*time.Hour, "", "", nil, false))
+	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp1.PublicKey, time.Hour, "", "", nil, false, nil))
+	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp2.PublicKey, 2*time.Hour, "", "", nil, false, nil))
 
 	mw.domainsMux.RLock()
 	config := mw.domains["example.com"]
@@ -156,7 +156,7 @@ func TestRemoveDomain(t *testing.T) {
 	kp := generateTestKeyPair(t)
 
 	scheme := &stubScheme{method: auth.MethodPIN, promptID: "pin"}
-	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "", "", nil, false))
+	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "", "", nil, false, nil))
 
 	mw.RemoveDomain("example.com")
 
@@ -180,7 +180,7 @@ func TestProtect_UnknownDomainPassesThrough(t *testing.T) {
 
 func TestProtect_DomainWithNoSchemesPassesThrough(t *testing.T) {
 	mw := NewMiddleware(log.StandardLogger(), nil, nil)
-	require.NoError(t, mw.AddDomain("example.com", nil, "", time.Hour, "", "", nil, false))
+	require.NoError(t, mw.AddDomain("example.com", nil, "", time.Hour, "", "", nil, false, nil))
 
 	handler := mw.Protect(newPassthroughHandler())
 
@@ -197,7 +197,7 @@ func TestProtect_UnauthenticatedRequestIsBlocked(t *testing.T) {
 	kp := generateTestKeyPair(t)
 
 	scheme := &stubScheme{method: auth.MethodPIN, promptID: "pin"}
-	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "", "", nil, false))
+	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "", "", nil, false, nil))
 
 	var backendCalled bool
 	backend := http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
@@ -218,7 +218,7 @@ func TestProtect_HostWithPortIsMatched(t *testing.T) {
 	kp := generateTestKeyPair(t)
 
 	scheme := &stubScheme{method: auth.MethodPIN, promptID: "pin"}
-	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "", "", nil, false))
+	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "", "", nil, false, nil))
 
 	var backendCalled bool
 	backend := http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
@@ -239,7 +239,7 @@ func TestProtect_ValidSessionCookiePassesThrough(t *testing.T) {
 	kp := generateTestKeyPair(t)
 
 	scheme := &stubScheme{method: auth.MethodPIN, promptID: "pin"}
-	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "", "", nil, false))
+	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "", "", nil, false, nil))
 
 	token, err := sessionkey.SignToken(kp.PrivateKey, "test-user", "", "example.com", auth.MethodPIN, nil, nil, time.Hour)
 	require.NoError(t, err)
@@ -272,7 +272,7 @@ func TestProtect_SessionCookieGroupsPropagate(t *testing.T) {
 	kp := generateTestKeyPair(t)
 
 	scheme := &stubScheme{method: auth.MethodPIN, promptID: "pin"}
-	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "", "", nil, false))
+	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "", "", nil, false, nil))
 
 	groups := []string{"engineering", "sre"}
 	token, err := sessionkey.SignToken(kp.PrivateKey, "test-user", "", "example.com", auth.MethodPIN, groups, nil, time.Hour)
@@ -337,7 +337,7 @@ func TestProtect_PrivateService_TunnelPeerGroupsPropagate(t *testing.T) {
 	kp := generateTestKeyPair(t)
 
 	// Private service: no operator schemes — auth gates solely on the tunnel peer.
-	require.NoError(t, mw.AddDomain("agent.example.com", nil, kp.PublicKey, time.Hour, "acct-1", "svc-1", nil, true))
+	require.NoError(t, mw.AddDomain("agent.example.com", nil, kp.PublicKey, time.Hour, "acct-1", "svc-1", nil, true, nil))
 
 	cd := proxy.NewCapturedData("")
 	cd.SetClientIP(netip.MustParseAddr("100.90.1.14")) // CGNAT tunnel source
@@ -377,7 +377,7 @@ func TestProtect_PrivateService_TunnelPeerDenied(t *testing.T) {
 	}}
 	mw := NewMiddleware(log.StandardLogger(), validator, nil)
 	kp := generateTestKeyPair(t)
-	require.NoError(t, mw.AddDomain("agent.example.com", nil, kp.PublicKey, time.Hour, "acct-1", "svc-1", nil, true))
+	require.NoError(t, mw.AddDomain("agent.example.com", nil, kp.PublicKey, time.Hour, "acct-1", "svc-1", nil, true, nil))
 
 	cd := proxy.NewCapturedData("")
 	cd.SetClientIP(netip.MustParseAddr("100.90.1.14"))
@@ -405,7 +405,7 @@ func TestProtect_ExpiredSessionCookieIsRejected(t *testing.T) {
 	kp := generateTestKeyPair(t)
 
 	scheme := &stubScheme{method: auth.MethodPIN, promptID: "pin"}
-	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "", "", nil, false))
+	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "", "", nil, false, nil))
 
 	// Sign a token that expired 1 second ago.
 	token, err := sessionkey.SignToken(kp.PrivateKey, "test-user", "", "example.com", auth.MethodPIN, nil, nil, -time.Second)
@@ -431,7 +431,7 @@ func TestProtect_WrongDomainCookieIsRejected(t *testing.T) {
 	kp := generateTestKeyPair(t)
 
 	scheme := &stubScheme{method: auth.MethodPIN, promptID: "pin"}
-	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "", "", nil, false))
+	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "", "", nil, false, nil))
 
 	// Token signed for a different domain audience.
 	token, err := sessionkey.SignToken(kp.PrivateKey, "test-user", "", "other.com", auth.MethodPIN, nil, nil, time.Hour)
@@ -458,7 +458,7 @@ func TestProtect_WrongKeyCookieIsRejected(t *testing.T) {
 	kp2 := generateTestKeyPair(t)
 
 	scheme := &stubScheme{method: auth.MethodPIN, promptID: "pin"}
-	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp1.PublicKey, time.Hour, "", "", nil, false))
+	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp1.PublicKey, time.Hour, "", "", nil, false, nil))
 
 	// Token signed with a different private key.
 	token, err := sessionkey.SignToken(kp2.PrivateKey, "test-user", "", "example.com", auth.MethodPIN, nil, nil, time.Hour)
@@ -495,7 +495,7 @@ func TestProtect_SchemeAuthRedirectsWithCookie(t *testing.T) {
 			return "", "pin", nil
 		},
 	}
-	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "", "", nil, false))
+	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "", "", nil, false, nil))
 
 	var backendCalled bool
 	backend := http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
@@ -548,7 +548,7 @@ func TestProtect_FailedAuthDoesNotSetCookie(t *testing.T) {
 			return "", "pin", nil
 		},
 	}
-	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "", "", nil, false))
+	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "", "", nil, false, nil))
 
 	handler := mw.Protect(newPassthroughHandler())
 
@@ -584,7 +584,7 @@ func TestProtect_MultipleSchemes(t *testing.T) {
 			return "", "password", nil
 		},
 	}
-	require.NoError(t, mw.AddDomain("example.com", []Scheme{pinScheme, passwordScheme}, kp.PublicKey, time.Hour, "", "", nil, false))
+	require.NoError(t, mw.AddDomain("example.com", []Scheme{pinScheme, passwordScheme}, kp.PublicKey, time.Hour, "", "", nil, false, nil))
 
 	var backendCalled bool
 	backend := http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
@@ -614,7 +614,7 @@ func TestProtect_InvalidTokenFromSchemeReturns400(t *testing.T) {
 			return "invalid-jwt-token", "", nil
 		},
 	}
-	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "", "", nil, false))
+	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "", "", nil, false, nil))
 
 	handler := mw.Protect(newPassthroughHandler())
 
@@ -638,7 +638,7 @@ func TestAddDomain_RandomBytes32NotEd25519(t *testing.T) {
 	key := base64.StdEncoding.EncodeToString(randomBytes)
 	scheme := &stubScheme{method: auth.MethodPIN, promptID: "pin"}
 
-	err = mw.AddDomain("example.com", []Scheme{scheme}, key, time.Hour, "", "", nil, false)
+	err = mw.AddDomain("example.com", []Scheme{scheme}, key, time.Hour, "", "", nil, false, nil)
 	require.NoError(t, err, "any 32-byte key should be accepted at registration time")
 }
 
@@ -647,10 +647,10 @@ func TestAddDomain_InvalidKeyDoesNotCorruptExistingConfig(t *testing.T) {
 	kp := generateTestKeyPair(t)
 
 	scheme := &stubScheme{method: auth.MethodPIN, promptID: "pin"}
-	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "", "", nil, false))
+	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "", "", nil, false, nil))
 
 	// Attempt to overwrite with an invalid key.
-	err := mw.AddDomain("example.com", []Scheme{scheme}, "bad", time.Hour, "", "", nil, false)
+	err := mw.AddDomain("example.com", []Scheme{scheme}, "bad", time.Hour, "", "", nil, false, nil)
 	require.Error(t, err)
 
 	// The original valid config should still be intact.
@@ -674,7 +674,7 @@ func TestProtect_FailedPinAuthCapturesAuthMethod(t *testing.T) {
 			return "", "pin", nil
 		},
 	}
-	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "", "", nil, false))
+	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "", "", nil, false, nil))
 
 	capturedData := proxy.NewCapturedData("")
 	handler := mw.Protect(newPassthroughHandler())
@@ -701,7 +701,7 @@ func TestProtect_FailedPasswordAuthCapturesAuthMethod(t *testing.T) {
 			return "", "password", nil
 		},
 	}
-	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "", "", nil, false))
+	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "", "", nil, false, nil))
 
 	capturedData := proxy.NewCapturedData("")
 	handler := mw.Protect(newPassthroughHandler())
@@ -728,7 +728,7 @@ func TestProtect_NoCredentialsDoesNotCaptureAuthMethod(t *testing.T) {
 			return "", "pin", nil
 		},
 	}
-	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "", "", nil, false))
+	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "", "", nil, false, nil))
 
 	capturedData := proxy.NewCapturedData("")
 	handler := mw.Protect(newPassthroughHandler())
@@ -816,7 +816,7 @@ func TestCheckIPRestrictions_UnparseableAddress(t *testing.T) {
 	mw := NewMiddleware(log.StandardLogger(), nil, nil)
 
 	err := mw.AddDomain("example.com", nil, "", 0, "acc1", "svc1",
-		restrict.ParseFilter(restrict.FilterConfig{AllowedCIDRs: []string{"10.0.0.0/8"}}), false)
+		restrict.ParseFilter(restrict.FilterConfig{AllowedCIDRs: []string{"10.0.0.0/8"}}), false, nil)
 	require.NoError(t, err)
 
 	handler := mw.Protect(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
@@ -852,7 +852,7 @@ func TestCheckIPRestrictions_UsesCapturedDataClientIP(t *testing.T) {
 	mw := NewMiddleware(log.StandardLogger(), nil, nil)
 
 	err := mw.AddDomain("example.com", nil, "", 0, "acc1", "svc1",
-		restrict.ParseFilter(restrict.FilterConfig{AllowedCIDRs: []string{"203.0.113.0/24"}}), false)
+		restrict.ParseFilter(restrict.FilterConfig{AllowedCIDRs: []string{"203.0.113.0/24"}}), false, nil)
 	require.NoError(t, err)
 
 	handler := mw.Protect(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
@@ -893,7 +893,7 @@ func TestCheckIPRestrictions_NilGeoWithCountryRules(t *testing.T) {
 	mw := NewMiddleware(log.StandardLogger(), nil, nil)
 
 	err := mw.AddDomain("example.com", nil, "", 0, "acc1", "svc1",
-		restrict.ParseFilter(restrict.FilterConfig{AllowedCountries: []string{"US"}}), false)
+		restrict.ParseFilter(restrict.FilterConfig{AllowedCountries: []string{"US"}}), false, nil)
 	require.NoError(t, err)
 
 	handler := mw.Protect(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
@@ -920,7 +920,7 @@ func TestCheckIPRestrictions_OverlayOriginSkipsCountryRules(t *testing.T) {
 		restrict.ParseFilter(restrict.FilterConfig{
 			AllowedCIDRs:     []string{"100.64.0.0/10"},
 			AllowedCountries: []string{"US"},
-		}), false)
+		}), false, nil)
 	require.NoError(t, err)
 
 	handler := mw.Protect(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
@@ -954,7 +954,7 @@ func TestCheckIPRestrictions_OverlayOriginRespectsCIDR(t *testing.T) {
 	mw := NewMiddleware(log.StandardLogger(), nil, nil)
 
 	err := mw.AddDomain("example.com", nil, "", 0, "acc1", "svc1",
-		restrict.ParseFilter(restrict.FilterConfig{AllowedCIDRs: []string{"100.64.0.0/16"}}), false)
+		restrict.ParseFilter(restrict.FilterConfig{AllowedCIDRs: []string{"100.64.0.0/16"}}), false, nil)
 	require.NoError(t, err)
 
 	handler := mw.Protect(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
@@ -982,7 +982,7 @@ func TestProtect_OIDCOnlyRedirectsDirectly(t *testing.T) {
 			return "", oidcURL, nil
 		},
 	}
-	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "", "", nil, false))
+	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "", "", nil, false, nil))
 
 	handler := mw.Protect(newPassthroughHandler())
 
@@ -1011,7 +1011,7 @@ func TestProtect_OIDCWithOtherMethodShowsLoginPage(t *testing.T) {
 			return "", "pin", nil
 		},
 	}
-	require.NoError(t, mw.AddDomain("example.com", []Scheme{oidcScheme, pinScheme}, kp.PublicKey, time.Hour, "", "", nil, false))
+	require.NoError(t, mw.AddDomain("example.com", []Scheme{oidcScheme, pinScheme}, kp.PublicKey, time.Hour, "", "", nil, false, nil))
 
 	handler := mw.Protect(newPassthroughHandler())
 
@@ -1055,7 +1055,7 @@ func TestProtect_HeaderAuth_ForwardsOnSuccess(t *testing.T) {
 	kp := generateTestKeyPair(t)
 
 	hdr := newHeaderSchemeWithToken(t, kp, "X-API-Key", "secret-key")
-	require.NoError(t, mw.AddDomain("example.com", []Scheme{hdr}, kp.PublicKey, time.Hour, "acc1", "svc1", nil, false))
+	require.NoError(t, mw.AddDomain("example.com", []Scheme{hdr}, kp.PublicKey, time.Hour, "acc1", "svc1", nil, false, nil))
 
 	var backendCalled bool
 	capturedData := proxy.NewCapturedData("")
@@ -1098,7 +1098,7 @@ func TestProtect_HeaderAuth_MissingHeaderFallsThrough(t *testing.T) {
 	hdr := newHeaderSchemeWithToken(t, kp, "X-API-Key", "secret-key")
 	// Also add a PIN scheme so we can verify fallthrough behavior.
 	pinScheme := &stubScheme{method: auth.MethodPIN, promptID: "pin"}
-	require.NoError(t, mw.AddDomain("example.com", []Scheme{hdr, pinScheme}, kp.PublicKey, time.Hour, "acc1", "svc1", nil, false))
+	require.NoError(t, mw.AddDomain("example.com", []Scheme{hdr, pinScheme}, kp.PublicKey, time.Hour, "acc1", "svc1", nil, false, nil))
 
 	handler := mw.Protect(newPassthroughHandler())
 
@@ -1118,7 +1118,7 @@ func TestProtect_HeaderAuth_WrongValueReturns401(t *testing.T) {
 		return &proto.AuthenticateResponse{Success: false}, nil
 	}}
 	hdr := NewHeader(mock, "svc1", "acc1", "X-API-Key")
-	require.NoError(t, mw.AddDomain("example.com", []Scheme{hdr}, kp.PublicKey, time.Hour, "acc1", "svc1", nil, false))
+	require.NoError(t, mw.AddDomain("example.com", []Scheme{hdr}, kp.PublicKey, time.Hour, "acc1", "svc1", nil, false, nil))
 
 	capturedData := proxy.NewCapturedData("")
 	handler := mw.Protect(newPassthroughHandler())
@@ -1141,7 +1141,7 @@ func TestProtect_HeaderAuth_InfraErrorReturns502(t *testing.T) {
 		return nil, errors.New("gRPC unavailable")
 	}}
 	hdr := NewHeader(mock, "svc1", "acc1", "X-API-Key")
-	require.NoError(t, mw.AddDomain("example.com", []Scheme{hdr}, kp.PublicKey, time.Hour, "acc1", "svc1", nil, false))
+	require.NoError(t, mw.AddDomain("example.com", []Scheme{hdr}, kp.PublicKey, time.Hour, "acc1", "svc1", nil, false, nil))
 
 	handler := mw.Protect(newPassthroughHandler())
 
@@ -1158,7 +1158,7 @@ func TestProtect_HeaderAuth_SubsequentRequestUsesSessionCookie(t *testing.T) {
 	kp := generateTestKeyPair(t)
 
 	hdr := newHeaderSchemeWithToken(t, kp, "X-API-Key", "secret-key")
-	require.NoError(t, mw.AddDomain("example.com", []Scheme{hdr}, kp.PublicKey, time.Hour, "acc1", "svc1", nil, false))
+	require.NoError(t, mw.AddDomain("example.com", []Scheme{hdr}, kp.PublicKey, time.Hour, "acc1", "svc1", nil, false, nil))
 
 	handler := mw.Protect(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
 		w.WriteHeader(http.StatusOK)
@@ -1218,7 +1218,7 @@ func TestProtect_HeaderAuth_MultipleValuesSameHeader(t *testing.T) {
 
 	// Single Header scheme (as if one entry existed), but the mock checks both values.
 	hdr := NewHeader(mock, "svc1", "acc1", "Authorization")
-	require.NoError(t, mw.AddDomain("example.com", []Scheme{hdr}, kp.PublicKey, time.Hour, "acc1", "svc1", nil, false))
+	require.NoError(t, mw.AddDomain("example.com", []Scheme{hdr}, kp.PublicKey, time.Hour, "acc1", "svc1", nil, false, nil))
 
 	var backendCalled bool
 	handler := mw.Protect(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
@@ -1276,7 +1276,7 @@ func TestProtect_OIDCOnPlainHTTP_BlockedWith400(t *testing.T) {
 			return "", "https://idp.example.com/authorize", nil
 		},
 	}
-	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "", "", nil, false))
+	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "", "", nil, false, nil))
 
 	handler := mw.Protect(newPassthroughHandler())
 
@@ -1300,7 +1300,7 @@ func TestProtect_OIDCOverTLS_NotBlocked(t *testing.T) {
 			return "", "https://idp.example.com/authorize", nil
 		},
 	}
-	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "", "", nil, false))
+	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "", "", nil, false, nil))
 
 	handler := mw.Protect(newPassthroughHandler())
 
@@ -1320,7 +1320,7 @@ func TestProtect_NonOIDCSchemes_PlainHTTP_NotBlocked(t *testing.T) {
 	kp := generateTestKeyPair(t)
 
 	scheme := &stubScheme{method: auth.MethodPIN, promptID: "pin"}
-	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "", "", nil, false))
+	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "", "", nil, false, nil))
 
 	handler := mw.Protect(newPassthroughHandler())
 
@@ -1350,7 +1350,7 @@ func TestProtect_TunnelPeerFastPath_RequiresInboundMarker(t *testing.T) {
 	kp := generateTestKeyPair(t)
 
 	scheme := &stubScheme{method: auth.MethodPIN, promptID: "pin"}
-	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "", "", nil, false))
+	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "", "", nil, false, nil))
 
 	handler := mw.Protect(newPassthroughHandler())
 
@@ -1385,7 +1385,7 @@ func TestProtect_TunnelPeerFastPath_TakesPathWithInboundMarker(t *testing.T) {
 	kp := generateTestKeyPair(t)
 
 	scheme := &stubScheme{method: auth.MethodPIN, promptID: "pin"}
-	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "", "", nil, false))
+	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "", "", nil, false, nil))
 
 	handler := mw.Protect(newPassthroughHandler())
 

proxy/internal/auth/session_groups_test.go

@@ -0,0 +1,167 @@
+package auth
+
+import (
+	"context"
+	"crypto/tls"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+	"time"
+
+	log "github.com/sirupsen/logrus"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"google.golang.org/grpc"
+
+	"github.com/netbirdio/netbird/management/internals/modules/reverseproxy/sessionkey"
+	"github.com/netbirdio/netbird/proxy/auth"
+	"github.com/netbirdio/netbird/proxy/internal/proxy"
+	"github.com/netbirdio/netbird/shared/management/proto"
+)
+
+// denyingSessionValidator mimics management for a user who completed OIDC login
+// but is outside the service's distribution groups: ValidateSession denies.
+type denyingSessionValidator struct {
+	calls int
+}
+
+func (d *denyingSessionValidator) ValidateSession(context.Context, *proto.ValidateSessionRequest, ...grpc.CallOption) (*proto.ValidateSessionResponse, error) {
+	d.calls++
+	return &proto.ValidateSessionResponse{Valid: false, UserId: "user-1", DeniedReason: "not_in_group"}, nil
+}
+
+func (d *denyingSessionValidator) ValidateTunnelPeer(context.Context, *proto.ValidateTunnelPeerRequest, ...grpc.CallOption) (*proto.ValidateTunnelPeerResponse, error) {
+	return &proto.ValidateTunnelPeerResponse{Valid: false}, nil
+}
+
+// TestProtect_SelfInstalledCookieCannotBypassGroupCheck is the regression guard
+// for the group-authorisation bypass: a user denied at login still holds the raw
+// session token from the ?session_token= redirect, so pasting it into the
+// nb_session cookie must not buy access. The cookie path validated only the JWT
+// signature, which turned the token management had already refused into a bearer
+// credential for the service.
+func TestProtect_SelfInstalledCookieCannotBypassGroupCheck(t *testing.T) {
+	validator := &denyingSessionValidator{}
+	mw := NewMiddleware(log.StandardLogger(), validator, nil)
+	kp := generateTestKeyPair(t)
+
+	oidc := &stubScheme{method: auth.MethodOIDC, authFn: func(r *http.Request) (string, string, error) {
+		return r.URL.Query().Get("session_token"), "https://idp.example/authorize", nil
+	}}
+	require.NoError(t, mw.AddDomain("example.com", []Scheme{oidc}, kp.PublicKey, time.Hour, "acct-1", "svc-1", nil, false, []string{"grp-allowed"}))
+
+	// The token a denied user gets to see: validly signed for this service and
+	// domain, but carrying no group the service allows.
+	token, err := sessionkey.SignToken(kp.PrivateKey, "user-1", "john.doe@example.com", "example.com", auth.MethodOIDC, nil, nil, time.Hour)
+	require.NoError(t, err)
+
+	backendHits := 0
+	handler := mw.Protect(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
+		backendHits++
+		w.WriteHeader(http.StatusOK)
+	}))
+
+	t.Run("token in the callback URL is denied", func(t *testing.T) {
+		rec := serveWithCookie(t, handler, "https://example.com/?session_token="+token, nil)
+
+		assert.Equal(t, http.StatusForbidden, rec.Code, "group check must deny the login")
+		assert.Empty(t, rec.Result().Cookies(), "a denied login must not install a session cookie")
+	})
+
+	t.Run("same token pasted into the session cookie is denied", func(t *testing.T) {
+		rec := serveWithCookie(t, handler, "https://example.com/", &http.Cookie{Name: auth.SessionCookieName, Value: token})
+
+		assert.NotEqual(t, http.StatusOK, rec.Code, "a self-installed cookie must not reach the backend")
+		assert.Equal(t, 0, backendHits, "backend must never be reached without an allowed group")
+	})
+}
+
+// TestProtect_SessionCookieWithAllowedGroupPassesThrough is the positive half of
+// the group gate: a member of an allowed group keeps the cookie fast-path, with
+// no management round-trip.
+func TestProtect_SessionCookieWithAllowedGroupPassesThrough(t *testing.T) {
+	validator := &denyingSessionValidator{}
+	mw := NewMiddleware(log.StandardLogger(), validator, nil)
+	kp := generateTestKeyPair(t)
+
+	oidc := &stubScheme{method: auth.MethodOIDC}
+	require.NoError(t, mw.AddDomain("example.com", []Scheme{oidc}, kp.PublicKey, time.Hour, "acct-1", "svc-1", nil, false, []string{"grp-other", "grp-allowed"}))
+
+	token, err := sessionkey.SignToken(kp.PrivateKey, "user-2", "jane@example.com", "example.com", auth.MethodOIDC,
+		[]string{"grp-unrelated", "grp-allowed"}, []string{"Unrelated", "Allowed"}, time.Hour)
+	require.NoError(t, err)
+
+	handler := mw.Protect(newPassthroughHandler())
+	rec := serveWithCookie(t, handler, "https://example.com/", &http.Cookie{Name: auth.SessionCookieName, Value: token})
+
+	assert.Equal(t, http.StatusOK, rec.Code, "a cookie carrying an allowed group must pass through")
+	assert.Equal(t, 0, validator.calls, "the cookie fast-path must not call management")
+}
+
+// TestProtect_NonOIDCSessionCookieIgnoresGroupRestriction locks the scope of the
+// gate: PIN, password and header credentials carry no group identity and are
+// authorised by the secret itself, exactly as management validates them.
+func TestProtect_NonOIDCSessionCookieIgnoresGroupRestriction(t *testing.T) {
+	mw := NewMiddleware(log.StandardLogger(), nil, nil)
+	kp := generateTestKeyPair(t)
+
+	scheme := &stubScheme{method: auth.MethodPIN, promptID: "pin"}
+	require.NoError(t, mw.AddDomain("example.com", []Scheme{scheme}, kp.PublicKey, time.Hour, "acct-1", "svc-1", nil, false, []string{"grp-allowed"}))
+
+	token, err := sessionkey.SignToken(kp.PrivateKey, "pin-user", "", "example.com", auth.MethodPIN, nil, nil, time.Hour)
+	require.NoError(t, err)
+
+	handler := mw.Protect(newPassthroughHandler())
+	rec := serveWithCookie(t, handler, "https://example.com/", &http.Cookie{Name: auth.SessionCookieName, Value: token})
+
+	assert.Equal(t, http.StatusOK, rec.Code, "a PIN session must not be gated on OIDC group membership")
+}
+
+func TestSessionGroupsAllowed(t *testing.T) {
+	allowed := groupSet([]string{"a", "b"})
+
+	tests := []struct {
+		name    string
+		allowed map[string]struct{}
+		method  auth.Method
+		groups  []string
+		want    bool
+	}{
+		{"unrestricted service allows a groupless token", nil, auth.MethodOIDC, nil, true},
+		{"restricted service allows an intersecting token", allowed, auth.MethodOIDC, []string{"c", "b"}, true},
+		{"restricted service denies a disjoint token", allowed, auth.MethodOIDC, []string{"c"}, false},
+		{"restricted service denies a groupless token", allowed, auth.MethodOIDC, nil, false},
+		{"restricted service ignores a pin token", allowed, auth.MethodPIN, nil, true},
+		{"restricted service ignores a password token", allowed, auth.MethodPassword, nil, true},
+		{"restricted service ignores a header token", allowed, auth.MethodHeader, nil, true},
+		{"restricted service denies an unknown method", allowed, auth.Method("totp"), []string{"a"}, false},
+		{"restricted service denies a token with no method", allowed, auth.Method(""), []string{"a"}, false},
+	}
+
+	for _, tc := range tests {
+		t.Run(tc.name, func(t *testing.T) {
+			assert.Equal(t, tc.want, sessionGroupsAllowed(tc.allowed, tc.method, tc.groups))
+		})
+	}
+}
+
+func TestGroupSetDropsEmptyEntries(t *testing.T) {
+	assert.Nil(t, groupSet(nil), "no groups means unrestricted")
+	assert.Nil(t, groupSet([]string{"", ""}), "blank ids must not restrict access to nothing reachable")
+	assert.Equal(t, map[string]struct{}{"a": {}}, groupSet([]string{"a", ""}))
+}
+
+// serveWithCookie drives the middleware over TLS with captured data attached,
+// optionally carrying a session cookie.
+func serveWithCookie(t *testing.T, handler http.Handler, url string, cookie *http.Cookie) *httptest.ResponseRecorder {
+	t.Helper()
+	req := httptest.NewRequest(http.MethodGet, url, nil)
+	req.TLS = &tls.ConnectionState{}
+	if cookie != nil {
+		req.AddCookie(cookie)
+	}
+	req = req.WithContext(proxy.WithCapturedData(req.Context(), proxy.NewCapturedData("")))
+	rec := httptest.NewRecorder()
+	handler.ServeHTTP(rec, req)
+	return rec
+}

proxy/internal/auth/tunnel_lookup_test.go

@@ -44,7 +44,7 @@ func (s *stubSessionValidator) ValidateTunnelPeer(_ context.Context, in *proto.V
 func newTunnelMiddleware(t *testing.T, validator SessionValidator) *Middleware {
 	t.Helper()
 	mw := NewMiddleware(log.New(), validator, nil)
-	require.NoError(t, mw.AddDomain("svc.example", nil, "", 0, "acct-1", "svc-1", nil, false))
+	require.NoError(t, mw.AddDomain("svc.example", nil, "", 0, "acct-1", "svc-1", nil, false, nil))
 	return mw
 }
 
@@ -235,8 +235,8 @@ func TestForwardWithTunnelPeer_RoutesAccountIDIntoCacheKey(t *testing.T) {
 	}
 	mw := NewMiddleware(log.New(), validator, nil)
 
-	require.NoError(t, mw.AddDomain("svc-a.example", nil, "", 0, "acct-a", "svc-a", nil, false))
-	require.NoError(t, mw.AddDomain("svc-b.example", nil, "", 0, "acct-b", "svc-b", nil, false))
+	require.NoError(t, mw.AddDomain("svc-a.example", nil, "", 0, "acct-a", "svc-a", nil, false, nil))
+	require.NoError(t, mw.AddDomain("svc-b.example", nil, "", 0, "acct-b", "svc-b", nil, false, nil))
 
 	// The fast-path requires the inbound-listener marker on the context.
 	// The peerstore lookup itself is account-agnostic at this level
@@ -299,7 +299,7 @@ func TestForwardWithTunnelPeer_LocalLookupShortCircuitDoesNotPopulateCache(t *te
 
 func TestPrivateService_FailsClosedOnTunnelPeerFailure(t *testing.T) {
 	mw := NewMiddleware(log.New(), nil, nil)
-	require.NoError(t, mw.AddDomain("private.svc", nil, "", 0, "acct-1", "svc-1", nil, true))
+	require.NoError(t, mw.AddDomain("private.svc", nil, "", 0, "acct-1", "svc-1", nil, true, nil))
 
 	called := false
 	handler := mw.Protect(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
@@ -328,7 +328,7 @@ func TestPrivateService_ForwardsOnTunnelPeerSuccess(t *testing.T) {
 		},
 	}
 	mw := NewMiddleware(log.New(), validator, nil)
-	require.NoError(t, mw.AddDomain("private.svc", nil, "", 0, "acct-1", "svc-1", nil, true))
+	require.NoError(t, mw.AddDomain("private.svc", nil, "", 0, "acct-1", "svc-1", nil, true, nil))
 
 	called := false
 	handler := mw.Protect(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {

proxy/management_integration_test.go

@@ -571,6 +571,7 @@ func TestIntegration_ProxyConnection_ReconnectDoesNotDuplicateState(t *testing.T
 					proxytypes.ServiceID(mapping.GetId()),
 					nil,
 					mapping.GetPrivate(),
+					mapping.GetAuth().GetAllowedGroupIds(),
 				)
 				require.NoError(t, err)
 

proxy/server.go

@@ -2070,7 +2070,7 @@ func (s *Server) updateMapping(ctx context.Context, mapping *proto.ProxyMapping)
 	s.warnIfGeoUnavailable(mapping.GetDomain(), mapping.GetAccessRestrictions())
 
 	maxSessionAge := time.Duration(mapping.GetAuth().GetMaxSessionAgeSeconds()) * time.Second
-	if err := s.auth.AddDomain(mapping.GetDomain(), schemes, mapping.GetAuth().GetSessionKey(), maxSessionAge, accountID, svcID, ipRestrictions, mapping.GetPrivate()); err != nil {
+	if err := s.auth.AddDomain(mapping.GetDomain(), schemes, mapping.GetAuth().GetSessionKey(), maxSessionAge, accountID, svcID, ipRestrictions, mapping.GetPrivate(), mapping.GetAuth().GetAllowedGroupIds()); err != nil {
 		return fmt.Errorf("auth setup for domain %s: %w", mapping.GetDomain(), err)
 	}
 	m := s.protoToMapping(ctx, mapping)

shared/management/client/grpc.go

@@ -21,8 +21,6 @@ import (
 	"google.golang.org/grpc/connectivity"
 
 	nbgrpc "github.com/netbirdio/netbird/client/grpc"
-	"github.com/netbirdio/netbird/client/netstate"
-	"github.com/netbirdio/netbird/client/netsweep"
 	"github.com/netbirdio/netbird/client/system"
 	"github.com/netbirdio/netbird/encryption"
 	"github.com/netbirdio/netbird/shared/management/domain"
@@ -64,13 +62,6 @@ type GrpcClient struct {
 	connStateCallbackLock sync.RWMutex
 	serverURL             string
 
-	// netState gates the stream retry loop on OS-reported network
-	// availability; nil (the default) disables gating.
-	netState *netstate.State
-
-	// sweeper cuts the transport connections on network change; nil disables it.
-	sweeper *netsweep.Sweeper
-
 	// syncStreamErr holds the last Sync stream error, or nil while the stream
 	// is established and healthy. GetServerKey succeeds even when the peer
 	// cannot sync (e.g. the server returns "settings not found"), so the
@@ -120,43 +111,16 @@ func MaxRecvMsgSize() int {
 	return size
 }
 
-// Option configures optional GrpcClient behavior.
-type Option func(*GrpcClient)
-
-// WithNetworkState injects the OS network availability state that gates the
-// stream retry loop; without it gating is disabled.
-func WithNetworkState(netState *netstate.State) Option {
-	return func(c *GrpcClient) { c.netState = netState }
-}
-
-// WithSweeper injects the network change sweeper.
-func WithSweeper(sweeper *netsweep.Sweeper) Option {
-	return func(c *GrpcClient) { c.sweeper = sweeper }
-}
-
 // NewClient creates a new client to Management service
-func NewClient(ctx context.Context, addr string, ourPrivateKey wgtypes.Key, tlsEnabled bool, opts ...Option) (*GrpcClient, error) {
-	// Options apply before dialing: the sweeper must wrap the first connection too.
-	c := &GrpcClient{
-		key:                   ourPrivateKey,
-		ctx:                   ctx,
-		connStateCallbackLock: sync.RWMutex{},
-		serverURL:             addr,
-	}
-	for _, opt := range opts {
-		opt(c)
-	}
+func NewClient(ctx context.Context, addr string, ourPrivateKey wgtypes.Key, tlsEnabled bool) (*GrpcClient, error) {
+	var conn *grpc.ClientConn
 
 	var extraOpts []grpc.DialOption
 	if maxSize := MaxRecvMsgSize(); maxSize > 0 {
 		extraOpts = append(extraOpts, grpc.WithDefaultCallOptions(grpc.MaxCallRecvMsgSize(maxSize)))
 		log.Infof("management gRPC max receive message size set to %d bytes", maxSize)
 	}
-	if c.sweeper != nil {
-		extraOpts = append(extraOpts, nbgrpc.WithSweeper(c.sweeper))
-	}
 
-	var conn *grpc.ClientConn
 	operation := func() error {
 		var err error
 		conn, err = nbgrpc.CreateConnection(ctx, addr, tlsEnabled, wsproxy.ManagementComponent, extraOpts...)
@@ -172,9 +136,16 @@ func NewClient(ctx context.Context, addr string, ourPrivateKey wgtypes.Key, tlsE
 		return nil, err
 	}
 
-	c.conn = conn
-	c.realClient = proto.NewManagementServiceClient(conn)
-	return c, nil
+	realClient := proto.NewManagementServiceClient(conn)
+
+	return &GrpcClient{
+		key:                   ourPrivateKey,
+		realClient:            realClient,
+		ctx:                   ctx,
+		conn:                  conn,
+		connStateCallbackLock: sync.RWMutex{},
+		serverURL:             addr,
+	}, nil
 }
 
 // GetServerURL returns the management server URL
@@ -235,33 +206,16 @@ func (c *GrpcClient) withMgmtStream(
 	ctx context.Context,
 	handler func(ctx context.Context, serverPubKey wgtypes.Key, backOff backoff.BackOff) error,
 ) error {
-	backOff := c.sweeper.QuickRetryBackoff(ctx, defaultBackoff(ctx), c.netState)
+	backOff := defaultBackoff(ctx)
 	operation := func() error {
-		// suspend reconnect attempts while the OS reports no usable network.
-		// Wait only errors on a cancelled context, which means shutdown, so
-		// stop the loop without reporting a failure.
-		if waited, err := c.netState.Wait(ctx); err != nil {
-			log.Debugf("management connection context has been canceled while offline, this usually indicates shutdown")
-			return nil //nolint:nilerr // a cancelled context means shutdown, not a retryable failure
-		} else if waited {
-			backOff.Reset()
-		}
-
+		log.Debugf("management connection state %v", c.conn.GetState())
 		connState := c.conn.GetState()
-		log.Debugf("management connection state %v", connState)
+
 		if connState == connectivity.Shutdown {
 			return backoff.Permanent(fmt.Errorf("connection to management has been shut down"))
-		}
-		if !(connState == connectivity.Ready || connState == connectivity.Idle) {
-			// A dial may already be in flight (e.g. the other stream triggered
-			// it after a network change); wait for it to settle and proceed if
-			// the channel became usable, instead of burning a backoff round on
-			// a successful dial. A failed dial errors out as before.
+		} else if !(connState == connectivity.Ready || connState == connectivity.Idle) {
 			c.conn.WaitForStateChange(ctx, connState)
-			connState = c.conn.GetState()
-			if !(connState == connectivity.Ready || connState == connectivity.Idle) {
-				return fmt.Errorf("connection to management is not ready and in %s state", connState)
-			}
+			return fmt.Errorf("connection to management is not ready and in %s state", connState)
 		}
 
 		serverPubKey, err := c.getServerPublicKey()
@@ -273,7 +227,7 @@ func (c *GrpcClient) withMgmtStream(
 		return handler(ctx, *serverPubKey, backOff)
 	}
 
-	err := nbgrpc.Retry(ctx, operation, backOff, c.netState)
+	err := backoff.Retry(operation, backOff)
 	if err != nil {
 		log.Warnf("exiting the Management service connection retry loop due to the unrecoverable error: %s", err)
 	}

shared/management/proto/proxy_service.pb.go

@@ -903,6 +903,12 @@ type Authentication struct {
 	Pin                  bool          `protobuf:"varint,4,opt,name=pin,proto3" json:"pin,omitempty"`
 	Oidc                 bool          `protobuf:"varint,5,opt,name=oidc,proto3" json:"oidc,omitempty"`
 	HeaderAuths          []*HeaderAuth `protobuf:"bytes,6,rep,name=header_auths,json=headerAuths,proto3" json:"header_auths,omitempty"`
+	// Group ids allowed to reach the service through an OIDC identity. When
+	// non-empty the proxy requires the session token's groups claim to
+	// intersect this list before honouring the cookie, so a token minted for
+	// an identity outside these groups is not a bearer credential for the
+	// service. Empty means group membership does not restrict access.
+	AllowedGroupIds []string `protobuf:"bytes,7,rep,name=allowed_group_ids,json=allowedGroupIds,proto3" json:"allowed_group_ids,omitempty"`
 }
 
 func (x *Authentication) Reset() {
@@ -979,6 +985,13 @@ func (x *Authentication) GetHeaderAuths() []*HeaderAuth {
 	return nil
 }
 
+func (x *Authentication) GetAllowedGroupIds() []string {
+	if x != nil {
+		return x.AllowedGroupIds
+	}
+	return nil
+}
+
 type AccessRestrictions struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -3304,7 +3317,7 @@ var file_proxy_service_proto_rawDesc = []byte{
 	0x16, 0x0a, 0x06, 0x68, 0x65, 0x61, 0x64, 0x65, 0x72, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52,
 	0x06, 0x68, 0x65, 0x61, 0x64, 0x65, 0x72, 0x12, 0x21, 0x0a, 0x0c, 0x68, 0x61, 0x73, 0x68, 0x65,
 	0x64, 0x5f, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0b, 0x68,
-	0x61, 0x73, 0x68, 0x65, 0x64, 0x56, 0x61, 0x6c, 0x75, 0x65, 0x22, 0xe5, 0x01, 0x0a, 0x0e, 0x41,
+	0x61, 0x73, 0x68, 0x65, 0x64, 0x56, 0x61, 0x6c, 0x75, 0x65, 0x22, 0x91, 0x02, 0x0a, 0x0e, 0x41,
 	0x75, 0x74, 0x68, 0x65, 0x6e, 0x74, 0x69, 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x12, 0x1f, 0x0a,
 	0x0b, 0x73, 0x65, 0x73, 0x73, 0x69, 0x6f, 0x6e, 0x5f, 0x6b, 0x65, 0x79, 0x18, 0x01, 0x20, 0x01,
 	0x28, 0x09, 0x52, 0x0a, 0x73, 0x65, 0x73, 0x73, 0x69, 0x6f, 0x6e, 0x4b, 0x65, 0x79, 0x12, 0x35,
@@ -3319,198 +3332,220 @@ var file_proxy_service_proto_rawDesc = []byte{
 	0x72, 0x5f, 0x61, 0x75, 0x74, 0x68, 0x73, 0x18, 0x06, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x16, 0x2e,
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+	0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (

shared/management/proto/proxy_service.proto

@@ -194,6 +194,12 @@ message Authentication {
   bool pin = 4;
   bool oidc = 5;
   repeated HeaderAuth header_auths = 6;
+  // Group ids allowed to reach the service through an OIDC identity. When
+  // non-empty the proxy requires the session token's groups claim to
+  // intersect this list before honouring the cookie, so a token minted for
+  // an identity outside these groups is not a bearer credential for the
+  // service. Empty means group membership does not restrict access.
+  repeated string allowed_group_ids = 7;
 }
 
 message AccessRestrictions {

shared/relay/client/client.go

@@ -14,7 +14,6 @@ import (
 
 	log "github.com/sirupsen/logrus"
 
-	"github.com/netbirdio/netbird/client/netsweep"
 	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"
@@ -185,10 +184,6 @@ type Client struct {
 	// datagram-sized transport is avoided on subsequent connects. Shared via
 	// the manager.
 	transportFallback *transportFallback
-
-	// sweeper cuts the relay connection on network change; the read loop
-	// reports the disconnect and the guard reconnects. Shared via the manager.
-	sweeper *netsweep.Sweeper
 	// datagramFallbackTriggered guards a single fallback per connection so a
 	// burst of oversized datagrams triggers one reconnect, not many.
 	datagramFallbackTriggered atomic.Bool
@@ -398,12 +393,6 @@ func (c *Client) Close() error {
 }
 
 func (c *Client) connect(ctx context.Context) (*RelayAddr, error) {
-	// A sweep cancels this context, so a dial started on the old network
-	// aborts instead of waiting out its handshake timeout.
-	dial := c.sweeper.StartDial(ctx)
-	defer dial.Release()
-	ctx = dial.Ctx()
-
 	mode := transportModeFromEnv()
 	dialers := c.getDialers(mode)
 
@@ -428,19 +417,12 @@ func (c *Client) connect(ctx context.Context) (*RelayAddr, error) {
 			return nil, fmt.Errorf("dial via FQDN: %w", err)
 		}
 	}
-	// Read the transport off the concrete connection: the sweeper's wrapper
-	// embeds net.Conn only, so it does not promote Protocol().
+	c.relayConn = conn
+	c.datagramFallbackTriggered.Store(false)
 	if tc, ok := conn.(transportConn); ok {
 		c.transport = tc.Protocol()
 	}
 
-	conn, err := dial.WrapConn(conn)
-	if err != nil {
-		return nil, fmt.Errorf("register connection: %w", err)
-	}
-	c.relayConn = conn
-	c.datagramFallbackTriggered.Store(false)
-
 	instanceURL, err := c.handShake(ctx)
 	if err != nil {
 		cErr := conn.Close()

shared/relay/client/guard.go

@@ -7,22 +7,9 @@ import (
 
 	"github.com/cenkalti/backoff/v4"
 	log "github.com/sirupsen/logrus"
-
-	"github.com/netbirdio/netbird/client/netstate"
 )
 
-const (
-	defaultMaxBackoffInterval = 60 * time.Second
-
-	// quickReconnectBudget bounds how long a quick reconnect waits for the
-	// network before handing the retry over to the ticker.
-	quickReconnectBudget = 1500 * time.Millisecond
-
-	// verdictSettleWindow is how long an online verdict must hold before it
-	// is trusted: the disconnect often precedes the OS offline flag by a few
-	// milliseconds.
-	verdictSettleWindow = 200 * time.Millisecond
-)
+const defaultMaxBackoffInterval = 60 * time.Second
 
 // Guard manage the reconnection tries to the Relay server in case of disconnection event.
 type Guard struct {
@@ -35,19 +22,14 @@ type Guard struct {
 	// attempts.
 	maxBackoffInterval time.Duration
 
-	// netState gates reconnect attempts on OS-reported network availability;
-	// nil disables gating.
-	netState *netstate.State
-
 	// lastErr is the error from the most recent failed reconnect attempt,
 	// surfaced as the home relay status while disconnected.
 	lastErr atomic.Pointer[error]
 }
 
 // NewGuard creates a new guard for the relay client. A non-positive
-// maxBackoffInterval falls back to defaultMaxBackoffInterval. A nil netState
-// disables network availability gating.
-func NewGuard(sp *ServerPicker, maxBackoffInterval time.Duration, netState *netstate.State) *Guard {
+// maxBackoffInterval falls back to defaultMaxBackoffInterval.
+func NewGuard(sp *ServerPicker, maxBackoffInterval time.Duration) *Guard {
 	if maxBackoffInterval <= 0 {
 		maxBackoffInterval = defaultMaxBackoffInterval
 	}
@@ -56,7 +38,6 @@ func NewGuard(sp *ServerPicker, maxBackoffInterval time.Duration, netState *nets
 		OnReconnected:      make(chan struct{}, 1),
 		serverPicker:       sp,
 		maxBackoffInterval: maxBackoffInterval,
-		netState:           netState,
 	}
 	return g
 }
@@ -89,21 +70,11 @@ func (g *Guard) StartReconnectTrys(ctx context.Context, relayClient *Client) {
 
 	// start a ticker to pick a new server
 	ticker := g.exponentTicker(ctx)
-	defer func() {
-		ticker.Stop()
-	}()
+	defer ticker.Stop()
 
 	for {
 		select {
 		case <-ticker.C:
-			// suspend reconnect attempts while the OS reports no usable network
-			if waited, err := g.netState.Wait(ctx); err != nil {
-				return
-			} else if waited {
-				ticker.Stop()
-				ticker = g.exponentTicker(ctx)
-				continue
-			}
 			if err := g.retry(ctx); err != nil {
 				log.Errorf("failed to pick new Relay server: %s", err)
 				g.setLastError(err)
@@ -129,12 +100,7 @@ func (g *Guard) tryToQuickReconnect(parentCtx context.Context, rc *Client) bool
 		return false
 	}
 
-	if ok := g.waitForNetwork(parentCtx); !ok {
-		return false
-	}
-
-	// Still offline after the budget: leave the retry to the ticker.
-	if !g.netState.IsOnline() {
+	if cancelled := waiteBeforeRetry(parentCtx); !cancelled {
 		return false
 	}
 
@@ -200,47 +166,14 @@ func (g *Guard) exponentTicker(ctx context.Context) *backoff.Ticker {
 	return backoff.NewTicker(bo)
 }
 
-// waitForNetwork waits out the settle window while online, or waits for the
-// network to return while offline, within the budget. Returns false when ctx
-// is cancelled. Without an injected netState it degrades to a fixed
-// budget-long sleep, the pre-netstate behavior.
-func (g *Guard) waitForNetwork(ctx context.Context) bool {
-	budget := time.NewTimer(quickReconnectBudget)
-	defer budget.Stop()
+func waiteBeforeRetry(ctx context.Context) bool {
+	timer := time.NewTimer(1500 * time.Millisecond)
+	defer timer.Stop()
 
-	settleWindow := verdictSettleWindow
-	if g.netState == nil {
-		settleWindow = quickReconnectBudget
-	}
-	settle := time.NewTimer(settleWindow)
-	defer settle.Stop()
-
-	for {
-		// Channel first, flag second: a flip in between still fires the channel.
-		changedCh := g.netState.Changed()
-		if g.netState.IsOnline() {
-			select {
-			case <-settle.C:
-				return true
-			case <-changedCh:
-			case <-ctx.Done():
-				return false
-			}
-		} else {
-			select {
-			case <-budget.C:
-				return true
-			case <-changedCh:
-			case <-ctx.Done():
-				return false
-			}
-		}
-		if !settle.Stop() {
-			select {
-			case <-settle.C:
-			default:
-			}
-		}
-		settle.Reset(settleWindow)
+	select {
+	case <-timer.C:
+		return true
+	case <-ctx.Done():
+		return false
 	}
 }

shared/relay/client/guard_test.go

@@ -1,30 +0,0 @@
-package client
-
-import (
-	"context"
-	"testing"
-	"time"
-
-	"github.com/stretchr/testify/assert"
-
-	"github.com/netbirdio/netbird/client/netstate"
-)
-
-func TestWaitForNetworkSettlesAfterOutage(t *testing.T) {
-	ns := netstate.New()
-	ns.Set(false)
-	g := NewGuard(nil, 0, ns)
-
-	const outage = 2 * verdictSettleWindow
-	start := time.Now()
-	go func() {
-		time.Sleep(outage)
-		ns.Set(true)
-	}()
-
-	ok := g.waitForNetwork(context.Background())
-	elapsed := time.Since(start)
-
-	assert.True(t, ok, "recovered network must let the quick reconnect proceed")
-	assert.GreaterOrEqual(t, elapsed, outage+verdictSettleWindow, "reconnect must wait a full settle window after the network returns")
-}

shared/relay/client/manager.go

@@ -12,8 +12,6 @@ import (
 
 	log "github.com/sirupsen/logrus"
 
-	"github.com/netbirdio/netbird/client/netstate"
-	"github.com/netbirdio/netbird/client/netsweep"
 	relayAuth "github.com/netbirdio/netbird/shared/relay/auth/hmac"
 )
 
@@ -67,17 +65,6 @@ func WithMaxBackoffInterval(d time.Duration) ManagerOption {
 	return func(m *Manager) { m.maxBackoffInterval = d }
 }
 
-// WithNetworkState injects the OS network availability state that gates the
-// reconnect guard; without it reconnect attempts are not gated.
-func WithNetworkState(netState *netstate.State) ManagerOption {
-	return func(m *Manager) { m.netState = netState }
-}
-
-// WithSweeper injects the network change sweeper.
-func WithSweeper(sweeper *netsweep.Sweeper) ManagerOption {
-	return func(m *Manager) { m.sweeper = sweeper }
-}
-
 // Manager is a manager for the relay client instances. It establishes one persistent connection to the given relay URL
 // and automatically reconnect to them in case disconnection.
 // The manager also manage temporary relay connection. If a client wants to communicate with a client on a
@@ -105,8 +92,6 @@ type Manager struct {
 
 	mtu                uint16
 	maxBackoffInterval time.Duration
-	netState           *netstate.State
-	sweeper            *netsweep.Sweeper
 
 	cleanupInterval      time.Duration
 	keepUnusedServerTime time.Duration
@@ -143,9 +128,8 @@ func NewManager(ctx context.Context, serverURLs []string, peerID string, mtu uin
 	for _, opt := range opts {
 		opt(m)
 	}
-	m.serverPicker.Sweeper = m.sweeper
 	m.serverPicker.ServerURLs.Store(serverURLs)
-	m.reconnectGuard = NewGuard(m.serverPicker, m.maxBackoffInterval, m.netState)
+	m.reconnectGuard = NewGuard(m.serverPicker, m.maxBackoffInterval)
 	return m
 }
 
@@ -370,7 +354,6 @@ func (m *Manager) openConnVia(ctx context.Context, serverAddress, peerKey string
 
 	relayClient := NewClientWithServerIP(serverAddress, serverIP, m.tokenStore, m.peerID, m.mtu)
 	relayClient.SetTransportFallback(m.transportFallback)
-	relayClient.sweeper = m.sweeper
 	err := relayClient.Connect(m.ctx)
 	if err != nil {
 		rt.Lock()

shared/relay/client/picker.go

@@ -9,7 +9,6 @@ import (
 
 	log "github.com/sirupsen/logrus"
 
-	"github.com/netbirdio/netbird/client/netsweep"
 	auth "github.com/netbirdio/netbird/shared/relay/auth/hmac"
 )
 
@@ -31,7 +30,6 @@ type ServerPicker struct {
 	MTU               uint16
 	ConnectionTimeout time.Duration
 	TransportFallback *transportFallback
-	Sweeper           *netsweep.Sweeper
 }
 
 func (sp *ServerPicker) PickServer(parentCtx context.Context) (*Client, error) {
@@ -75,7 +73,6 @@ func (sp *ServerPicker) startConnection(ctx context.Context, resultChan chan con
 	log.Infof("try to connecting to relay server: %s", url)
 	relayClient := NewClient(url, sp.TokenStore, sp.PeerID, sp.MTU)
 	relayClient.SetTransportFallback(sp.TransportFallback)
-	relayClient.sweeper = sp.Sweeper
 	err := relayClient.Connect(ctx)
 	resultChan <- connResult{
 		RelayClient: relayClient,

shared/signal/client/grpc.go

@@ -19,8 +19,6 @@ import (
 	"google.golang.org/grpc/status"
 
 	nbgrpc "github.com/netbirdio/netbird/client/grpc"
-	"github.com/netbirdio/netbird/client/netstate"
-	"github.com/netbirdio/netbird/client/netsweep"
 	"github.com/netbirdio/netbird/encryption"
 	"github.com/netbirdio/netbird/shared/management/client"
 	"github.com/netbirdio/netbird/shared/signal/proto"
@@ -67,13 +65,6 @@ type GrpcClient struct {
 	connStateCallback     ConnStateNotifier
 	connStateCallbackLock sync.RWMutex
 
-	// netState gates the Receive retry loop on OS-reported network
-	// availability; nil (the default) disables gating.
-	netState *netstate.State
-
-	// sweeper cuts the transport connections on network change; nil disables it.
-	sweeper *netsweep.Sweeper
-
 	onReconnectedListenerFn func()
 
 	decryptionWorker       *Worker
@@ -97,43 +88,13 @@ type GrpcClient struct {
 	watchdogWg            sync.WaitGroup
 }
 
-// Option configures optional GrpcClient behavior.
-type Option func(*GrpcClient)
-
-// WithNetworkState injects the OS network availability state that gates the
-// Receive retry loop; without it gating is disabled.
-func WithNetworkState(netState *netstate.State) Option {
-	return func(c *GrpcClient) { c.netState = netState }
-}
-
-// WithSweeper injects the network change sweeper.
-func WithSweeper(sweeper *netsweep.Sweeper) Option {
-	return func(c *GrpcClient) { c.sweeper = sweeper }
-}
-
 // NewClient creates a new Signal client
-func NewClient(ctx context.Context, addr string, key wgtypes.Key, tlsEnabled bool, opts ...Option) (*GrpcClient, error) {
-	// Options apply before dialing: the sweeper must wrap the first connection too.
-	c := &GrpcClient{
-		ctx:                   ctx,
-		key:                   key,
-		mux:                   sync.Mutex{},
-		status:                StreamDisconnected,
-		connStateCallbackLock: sync.RWMutex{},
-	}
-	for _, opt := range opts {
-		opt(c)
-	}
-
-	var extraOpts []grpc.DialOption
-	if c.sweeper != nil {
-		extraOpts = append(extraOpts, nbgrpc.WithSweeper(c.sweeper))
-	}
-
+func NewClient(ctx context.Context, addr string, key wgtypes.Key, tlsEnabled bool) (*GrpcClient, error) {
 	var conn *grpc.ClientConn
+
 	operation := func() error {
 		var err error
-		conn, err = nbgrpc.CreateConnection(ctx, addr, tlsEnabled, wsproxy.SignalComponent, extraOpts...)
+		conn, err = nbgrpc.CreateConnection(ctx, addr, tlsEnabled, wsproxy.SignalComponent)
 		if err != nil {
 			return fmt.Errorf("create connection: %w", err)
 		}
@@ -148,9 +109,15 @@ func NewClient(ctx context.Context, addr string, key wgtypes.Key, tlsEnabled boo
 
 	log.Debugf("connected to Signal Service: %v", conn.Target())
 
-	c.signalConn = conn
-	c.realClient = proto.NewSignalExchangeClient(conn)
-	return c, nil
+	return &GrpcClient{
+		realClient:            proto.NewSignalExchangeClient(conn),
+		ctx:                   ctx,
+		signalConn:            conn,
+		key:                   key,
+		mux:                   sync.Mutex{},
+		status:                StreamDisconnected,
+		connStateCallbackLock: sync.RWMutex{},
+	}, nil
 }
 
 func (c *GrpcClient) StreamConnected() bool {
@@ -198,36 +165,19 @@ func defaultBackoff(ctx context.Context) backoff.BackOff {
 // The connection retry logic will try to reconnect for 30 min and if wasn't successful will propagate the error to the function caller.
 func (c *GrpcClient) Receive(ctx context.Context, msgHandler func(msg *proto.Message) error) error {
 
-	backOff := c.sweeper.QuickRetryBackoff(ctx, defaultBackoff(ctx), c.netState)
+	var backOff = defaultBackoff(ctx)
 
 	operation := func() error {
-		// suspend reconnect attempts while the OS reports no usable network.
-		// Wait only errors on a cancelled context, which means shutdown, so
-		// stop the loop without reporting a failure.
-		if waited, err := c.netState.Wait(ctx); err != nil {
-			log.Debugf("signal connection context has been canceled while offline, this usually indicates shutdown")
-			return nil
-		} else if waited {
-			backOff.Reset()
-		}
 
 		c.notifyStreamDisconnected()
 
+		log.Debugf("signal connection state %v", c.signalConn.GetState())
 		connState := c.signalConn.GetState()
-		log.Debugf("signal connection state %v", connState)
 		if connState == connectivity.Shutdown {
 			return backoff.Permanent(fmt.Errorf("connection to signal has been shut down"))
-		}
-		if !(connState == connectivity.Ready || connState == connectivity.Idle) {
-			// A dial may already be in flight (e.g. triggered by another RPC
-			// after a network change); wait for it to settle and proceed if
-			// the channel became usable, instead of burning a backoff round on
-			// a successful dial. A failed dial errors out as before.
+		} else if !(connState == connectivity.Ready || connState == connectivity.Idle) {
 			c.signalConn.WaitForStateChange(ctx, connState)
-			connState = c.signalConn.GetState()
-			if !(connState == connectivity.Ready || connState == connectivity.Idle) {
-				return fmt.Errorf("connection to signal is not ready and in %s state", connState)
-			}
+			return fmt.Errorf("connection to signal is not ready and in %s state", connState)
 		}
 
 		// connect to Signal stream identifying ourselves with a public WireGuard key
@@ -281,7 +231,7 @@ func (c *GrpcClient) Receive(ctx context.Context, msgHandler func(msg *proto.Mes
 		return nil
 	}
 
-	err := nbgrpc.Retry(ctx, operation, backOff, c.netState)
+	err := backoff.Retry(operation, backOff)
 	if err != nil {
 		log.Errorf("exiting the Signal service connection retry loop due to the unrecoverable error: %v", err)
 		return err