Merge branch 'update-go' into update-gomobile

.github/workflows/mobile-build-validation.yml

@@ -58,7 +58,7 @@ jobs:
         with:
           go-version-file: "go.mod"
       - name: install gomobile
-        run: go install golang.org/x/mobile/cmd/gomobile@v0.0.0-20251113184115-a159579294ab
+        run: go install golang.org/x/mobile/cmd/gomobile@v0.0.0-20240404231514-09dbf07665ed
       - name: gomobile init
         run: gomobile init
       - name: build iOS netbird lib

client/android/client.go

@@ -92,7 +92,7 @@ func NewClient(platformFiles PlatformFiles, androidSDKVersion int, deviceName st
 }
 
 // Run start the internal client. It is a blocker function
-func (c *Client) Run(urlOpener URLOpener, isAndroidTV bool, dns *DNSList, dnsReadyListener DnsReadyListener, envList *EnvList) error {
+func (c *Client) Run(urlOpener URLOpener, dns *DNSList, dnsReadyListener DnsReadyListener, envList *EnvList) error {
 	exportEnvList(envList)
 	cfg, err := profilemanager.UpdateOrCreateConfig(profilemanager.ConfigInput{
 		ConfigPath: c.cfgFile,
@@ -115,7 +115,7 @@ func (c *Client) Run(urlOpener URLOpener, isAndroidTV bool, dns *DNSList, dnsRea
 	c.ctxCancelLock.Unlock()
 
 	auth := NewAuthWithConfig(ctx, cfg)
-	err = auth.login(urlOpener, isAndroidTV)
+	err = auth.login(urlOpener)
 	if err != nil {
 		return err
 	}

client/android/login.go

@@ -3,7 +3,15 @@ package android
 import (
 	"context"
 	"fmt"
+	"time"
 
+	"github.com/cenkalti/backoff/v4"
+	log "github.com/sirupsen/logrus"
+	"google.golang.org/grpc/codes"
+	gstatus "google.golang.org/grpc/status"
+
+	"github.com/netbirdio/netbird/client/cmd"
+	"github.com/netbirdio/netbird/client/internal"
 	"github.com/netbirdio/netbird/client/internal/auth"
 	"github.com/netbirdio/netbird/client/internal/profilemanager"
 	"github.com/netbirdio/netbird/client/system"
@@ -24,7 +32,7 @@ type ErrListener interface {
 // URLOpener it is a callback interface. The Open function will be triggered if
 // the backend want to show an url for the user
 type URLOpener interface {
-	Open(url string, userCode string)
+	Open(string)
 	OnLoginSuccess()
 }
 
@@ -76,21 +84,34 @@ func (a *Auth) SaveConfigIfSSOSupported(listener SSOListener) {
 }
 
 func (a *Auth) saveConfigIfSSOSupported() (bool, error) {
-	authClient, err := auth.NewAuth(a.ctx, a.config.PrivateKey, a.config.ManagementURL, a.config)
-	if err != nil {
-		return false, fmt.Errorf("failed to create auth client: %v", err)
-	}
-	defer authClient.Close()
+	supportsSSO := true
+	err := a.withBackOff(a.ctx, func() (err error) {
+		_, err = internal.GetPKCEAuthorizationFlowInfo(a.ctx, a.config.PrivateKey, a.config.ManagementURL, nil)
+		if s, ok := gstatus.FromError(err); ok && (s.Code() == codes.NotFound || s.Code() == codes.Unimplemented) {
+			_, err = internal.GetDeviceAuthorizationFlowInfo(a.ctx, a.config.PrivateKey, a.config.ManagementURL)
+			s, ok := gstatus.FromError(err)
+			if !ok {
+				return err
+			}
+			if s.Code() == codes.NotFound || s.Code() == codes.Unimplemented {
+				supportsSSO = false
+				err = nil
+			}
 
-	supportsSSO, err := authClient.IsSSOSupported(a.ctx)
-	if err != nil {
-		return false, fmt.Errorf("failed to check SSO support: %v", err)
-	}
+			return err
+		}
+
+		return err
+	})
 
 	if !supportsSSO {
 		return false, nil
 	}
 
+	if err != nil {
+		return false, fmt.Errorf("backoff cycle failed: %v", err)
+	}
+
 	err = profilemanager.WriteOutConfig(a.cfgPath, a.config)
 	return true, err
 }
@@ -110,24 +131,26 @@ func (a *Auth) LoginWithSetupKeyAndSaveConfig(resultListener ErrListener, setupK
 func (a *Auth) loginWithSetupKeyAndSaveConfig(setupKey string, deviceName string) error {
 	//nolint
 	ctxWithValues := context.WithValue(a.ctx, system.DeviceNameCtxKey, deviceName)
-	authClient, err := auth.NewAuth(a.ctx, a.config.PrivateKey, a.config.ManagementURL, a.config)
-	if err != nil {
-		return fmt.Errorf("failed to create auth client: %v", err)
-	}
-	defer authClient.Close()
 
-	err = authClient.Login(ctxWithValues, setupKey, "")
+	err := a.withBackOff(a.ctx, func() error {
+		backoffErr := internal.Login(ctxWithValues, a.config, setupKey, "")
+		if s, ok := gstatus.FromError(backoffErr); ok && (s.Code() == codes.PermissionDenied) {
+			// we got an answer from management, exit backoff earlier
+			return backoff.Permanent(backoffErr)
+		}
+		return backoffErr
+	})
 	if err != nil {
-		return fmt.Errorf("login failed: %v", err)
+		return fmt.Errorf("backoff cycle failed: %v", err)
 	}
 
 	return profilemanager.WriteOutConfig(a.cfgPath, a.config)
 }
 
 // Login try register the client on the server
-func (a *Auth) Login(resultListener ErrListener, urlOpener URLOpener, isAndroidTV bool) {
+func (a *Auth) Login(resultListener ErrListener, urlOpener URLOpener) {
 	go func() {
-		err := a.login(urlOpener, isAndroidTV)
+		err := a.login(urlOpener)
 		if err != nil {
 			resultListener.OnError(err)
 		} else {
@@ -136,40 +159,48 @@ func (a *Auth) Login(resultListener ErrListener, urlOpener URLOpener, isAndroidT
 	}()
 }
 
-func (a *Auth) login(urlOpener URLOpener, isAndroidTV bool) error {
-	authClient, err := auth.NewAuth(a.ctx, a.config.PrivateKey, a.config.ManagementURL, a.config)
-	if err != nil {
-		return fmt.Errorf("failed to create auth client: %v", err)
-	}
-	defer authClient.Close()
+func (a *Auth) login(urlOpener URLOpener) error {
+	var needsLogin bool
 
 	// check if we need to generate JWT token
-	needsLogin, err := authClient.IsLoginRequired(a.ctx)
+	err := a.withBackOff(a.ctx, func() (err error) {
+		needsLogin, err = internal.IsLoginRequired(a.ctx, a.config)
+		return
+	})
 	if err != nil {
-		return fmt.Errorf("failed to check login requirement: %v", err)
+		return fmt.Errorf("backoff cycle failed: %v", err)
 	}
 
 	jwtToken := ""
 	if needsLogin {
-		tokenInfo, err := a.foregroundGetTokenInfo(urlOpener, isAndroidTV)
+		tokenInfo, err := a.foregroundGetTokenInfo(urlOpener)
 		if err != nil {
 			return fmt.Errorf("interactive sso login failed: %v", err)
 		}
 		jwtToken = tokenInfo.GetTokenToUse()
 	}
 
-	err = authClient.Login(a.ctx, "", jwtToken)
-	if err != nil {
-		return fmt.Errorf("login failed: %v", err)
-	}
+	err = a.withBackOff(a.ctx, func() error {
+		err := internal.Login(a.ctx, a.config, "", jwtToken)
 
-	go urlOpener.OnLoginSuccess()
+		if err == nil {
+			go urlOpener.OnLoginSuccess()
+		}
+
+		if s, ok := gstatus.FromError(err); ok && (s.Code() == codes.InvalidArgument || s.Code() == codes.PermissionDenied) {
+			return nil
+		}
+		return err
+	})
+	if err != nil {
+		return fmt.Errorf("backoff cycle failed: %v", err)
+	}
 
 	return nil
 }
 
-func (a *Auth) foregroundGetTokenInfo(urlOpener URLOpener, isAndroidTV bool) (*auth.TokenInfo, error) {
-	oAuthFlow, err := auth.NewOAuthFlow(a.ctx, a.config, false, isAndroidTV, "")
+func (a *Auth) foregroundGetTokenInfo(urlOpener URLOpener) (*auth.TokenInfo, error) {
+	oAuthFlow, err := auth.NewOAuthFlow(a.ctx, a.config, false, "")
 	if err != nil {
 		return nil, err
 	}
@@ -179,12 +210,24 @@ func (a *Auth) foregroundGetTokenInfo(urlOpener URLOpener, isAndroidTV bool) (*a
 		return nil, fmt.Errorf("getting a request OAuth flow info failed: %v", err)
 	}
 
-	go urlOpener.Open(flowInfo.VerificationURIComplete, flowInfo.UserCode)
+	go urlOpener.Open(flowInfo.VerificationURIComplete)
 
-	tokenInfo, err := oAuthFlow.WaitToken(a.ctx, flowInfo)
+	waitTimeout := time.Duration(flowInfo.ExpiresIn) * time.Second
+	waitCTX, cancel := context.WithTimeout(a.ctx, waitTimeout)
+	defer cancel()
+	tokenInfo, err := oAuthFlow.WaitToken(waitCTX, flowInfo)
 	if err != nil {
 		return nil, fmt.Errorf("waiting for browser login failed: %v", err)
 	}
 
 	return &tokenInfo, nil
 }
+
+func (a *Auth) withBackOff(ctx context.Context, bf func() error) error {
+	return backoff.RetryNotify(
+		bf,
+		backoff.WithContext(cmd.CLIBackOffSettings, ctx),
+		func(err error, duration time.Duration) {
+			log.Warnf("retrying Login to the Management service in %v due to error %v", duration, err)
+		})
+}

client/cmd/login.go

@@ -2,13 +2,13 @@ package cmd
 
 import (
 	"context"
-	"errors"
 	"fmt"
 	"os"
 	"os/exec"
 	"os/user"
 	"runtime"
 	"strings"
+	"time"
 
 	log "github.com/sirupsen/logrus"
 	"github.com/skratchdot/open-golang/open"
@@ -21,7 +21,6 @@ import (
 	"github.com/netbirdio/netbird/client/internal/profilemanager"
 	"github.com/netbirdio/netbird/client/proto"
 	"github.com/netbirdio/netbird/client/system"
-	mgm "github.com/netbirdio/netbird/shared/management/client"
 	"github.com/netbirdio/netbird/util"
 )
 
@@ -278,19 +277,18 @@ func handleSSOLogin(ctx context.Context, cmd *cobra.Command, loginResp *proto.Lo
 }
 
 func foregroundLogin(ctx context.Context, cmd *cobra.Command, config *profilemanager.Config, setupKey, profileName string) error {
-	authClient, err := auth.NewAuth(ctx, config.PrivateKey, config.ManagementURL, config)
-	if err != nil {
-		return fmt.Errorf("failed to create auth client: %v", err)
-	}
-	defer authClient.Close()
-
 	needsLogin := false
 
-	err = authClient.Login(ctx, "", "")
-	if errors.Is(err, mgm.ErrPermissionDenied) || errors.Is(err, mgm.ErrInvalidArgument) || errors.Is(err, mgm.ErrUnauthenticated) {
-		needsLogin = true
-	} else if err != nil {
-		return fmt.Errorf("login check failed: %v", err)
+	err := WithBackOff(func() error {
+		err := internal.Login(ctx, config, "", "")
+		if s, ok := gstatus.FromError(err); ok && (s.Code() == codes.InvalidArgument || s.Code() == codes.PermissionDenied) {
+			needsLogin = true
+			return nil
+		}
+		return err
+	})
+	if err != nil {
+		return fmt.Errorf("backoff cycle failed: %v", err)
 	}
 
 	jwtToken := ""
@@ -302,9 +300,23 @@ func foregroundLogin(ctx context.Context, cmd *cobra.Command, config *profileman
 		jwtToken = tokenInfo.GetTokenToUse()
 	}
 
-	err = authClient.Login(ctx, setupKey, jwtToken)
+	var lastError error
+
+	err = WithBackOff(func() error {
+		err := internal.Login(ctx, config, setupKey, jwtToken)
+		if s, ok := gstatus.FromError(err); ok && (s.Code() == codes.InvalidArgument || s.Code() == codes.PermissionDenied) {
+			lastError = err
+			return nil
+		}
+		return err
+	})
+
+	if lastError != nil {
+		return fmt.Errorf("login failed: %v", lastError)
+	}
+
 	if err != nil {
-		return fmt.Errorf("login failed: %v", err)
+		return fmt.Errorf("backoff cycle failed: %v", err)
 	}
 
 	return nil
@@ -320,7 +332,7 @@ func foregroundGetTokenInfo(ctx context.Context, cmd *cobra.Command, config *pro
 		hint = profileState.Email
 	}
 
-	oAuthFlow, err := auth.NewOAuthFlow(ctx, config, isUnixRunningDesktop(), false, hint)
+	oAuthFlow, err := auth.NewOAuthFlow(ctx, config, isUnixRunningDesktop(), hint)
 	if err != nil {
 		return nil, err
 	}
@@ -332,7 +344,11 @@ func foregroundGetTokenInfo(ctx context.Context, cmd *cobra.Command, config *pro
 
 	openURL(cmd, flowInfo.VerificationURIComplete, flowInfo.UserCode, noBrowser)
 
-	tokenInfo, err := oAuthFlow.WaitToken(context.TODO(), flowInfo)
+	waitTimeout := time.Duration(flowInfo.ExpiresIn) * time.Second
+	waitCTX, c := context.WithTimeout(context.TODO(), waitTimeout)
+	defer c()
+
+	tokenInfo, err := oAuthFlow.WaitToken(waitCTX, flowInfo)
 	if err != nil {
 		return nil, fmt.Errorf("waiting for browser login failed: %v", err)
 	}

client/embed/embed.go

@@ -16,7 +16,6 @@ import (
 
 	"github.com/netbirdio/netbird/client/iface/netstack"
 	"github.com/netbirdio/netbird/client/internal"
-	"github.com/netbirdio/netbird/client/internal/auth"
 	"github.com/netbirdio/netbird/client/internal/peer"
 	"github.com/netbirdio/netbird/client/internal/profilemanager"
 	sshcommon "github.com/netbirdio/netbird/client/ssh"
@@ -169,13 +168,7 @@ func (c *Client) Start(startCtx context.Context) error {
 	ctx := internal.CtxInitState(context.Background())
 	// nolint:staticcheck
 	ctx = context.WithValue(ctx, system.DeviceNameCtxKey, c.deviceName)
-	authClient, err := auth.NewAuth(ctx, c.config.PrivateKey, c.config.ManagementURL, c.config)
-	if err != nil {
-		return fmt.Errorf("create auth client: %w", err)
-	}
-	defer authClient.Close()
-
-	if err := authClient.Login(ctx, c.setupKey, c.jwtToken); err != nil {
+	if err := internal.Login(ctx, c.config, c.setupKey, c.jwtToken); err != nil {
 		return fmt.Errorf("login: %w", err)
 	}
 

client/firewall/nftables/router_linux.go

@@ -91,7 +91,11 @@ func newRouter(workTable *nftables.Table, wgIface iFaceMapper, mtu uint16) (*rou
 	var err error
 	r.filterTable, err = r.loadFilterTable()
 	if err != nil {
-		log.Warnf("failed to load filter table, skipping accept rules: %v", err)
+		if errors.Is(err, errFilterTableNotFound) {
+			log.Warnf("table 'filter' not found for forward rules")
+		} else {
+			return nil, fmt.Errorf("load filter table: %w", err)
+		}
 	}
 
 	return r, nil
@@ -171,7 +175,7 @@ func (r *router) removeNatPreroutingRules() error {
 func (r *router) loadFilterTable() (*nftables.Table, error) {
 	tables, err := r.conn.ListTablesOfFamily(nftables.TableFamilyIPv4)
 	if err != nil {
-		return nil, fmt.Errorf("list tables: %w", err)
+		return nil, fmt.Errorf("unable to list tables: %v", err)
 	}
 
 	for _, table := range tables {
@@ -189,6 +193,8 @@ func (r *router) createContainers() error {
 		Table: r.workTable,
 	})
 
+	insertReturnTrafficRule(r.conn, r.workTable, r.chains[chainNameRoutingFw])
+
 	prio := *nftables.ChainPriorityNATSource - 1
 	r.chains[chainNameRoutingNat] = r.conn.AddChain(&nftables.Chain{
 		Name:     chainNameRoutingNat,
@@ -230,12 +236,9 @@ func (r *router) createContainers() error {
 		Type:     nftables.ChainTypeFilter,
 	})
 
-	insertReturnTrafficRule(r.conn, r.workTable, r.chains[chainNameRoutingFw])
-
-	r.addPostroutingRules()
-
-	if err := r.conn.Flush(); err != nil {
-		return fmt.Errorf("initialize tables: %v", err)
+	// Add the single NAT rule that matches on mark
+	if err := r.addPostroutingRules(); err != nil {
+		return fmt.Errorf("add single nat rule: %v", err)
 	}
 
 	if err := r.addMSSClampingRules(); err != nil {
@@ -247,7 +250,11 @@ func (r *router) createContainers() error {
 	}
 
 	if err := r.refreshRulesMap(); err != nil {
-		log.Errorf("failed to refresh rules: %s", err)
+		log.Errorf("failed to clean up rules from FORWARD chain: %s", err)
+	}
+
+	if err := r.conn.Flush(); err != nil {
+		return fmt.Errorf("initialize tables: %v", err)
 	}
 
 	return nil
@@ -688,7 +695,7 @@ func (r *router) addNatRule(pair firewall.RouterPair) error {
 }
 
 // addPostroutingRules adds the masquerade rules
-func (r *router) addPostroutingRules() {
+func (r *router) addPostroutingRules() error {
 	// First masquerade rule for traffic coming in from WireGuard interface
 	exprs := []expr.Any{
 		// Match on the first fwmark
@@ -754,6 +761,8 @@ func (r *router) addPostroutingRules() {
 		Chain: r.chains[chainNameRoutingNat],
 		Exprs: exprs2,
 	})
+
+	return nil
 }
 
 // addMSSClampingRules adds MSS clamping rules to prevent fragmentation for forwarded traffic.
@@ -830,7 +839,7 @@ func (r *router) addMSSClampingRules() error {
 		Exprs: exprsOut,
 	})
 
-	return r.conn.Flush()
+	return nil
 }
 
 // addLegacyRouteRule adds a legacy routing rule for mgmt servers pre route acls
@@ -1059,7 +1068,7 @@ func (r *router) acceptFilterRulesNftables() error {
 	}
 	r.conn.InsertRule(inputRule)
 
-	return r.conn.Flush()
+	return nil
 }
 
 func (r *router) removeAcceptFilterRules() error {
@@ -1187,7 +1196,7 @@ func (r *router) refreshRulesMap() error {
 	for _, chain := range r.chains {
 		rules, err := r.conn.GetRules(chain.Table, chain)
 		if err != nil {
-			return fmt.Errorf("list rules: %w", err)
+			return fmt.Errorf(" unable to list rules: %v", err)
 		}
 		for _, rule := range rules {
 			if len(rule.UserData) > 0 {

client/internal/auth/auth.go

@@ -1,287 +0,0 @@
-package auth
-
-import (
-	"context"
-	"errors"
-	"fmt"
-	"net/url"
-
-	"github.com/google/uuid"
-	log "github.com/sirupsen/logrus"
-	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
-
-	"github.com/netbirdio/netbird/client/internal/profilemanager"
-	"github.com/netbirdio/netbird/client/ssh"
-	"github.com/netbirdio/netbird/client/system"
-	mgm "github.com/netbirdio/netbird/shared/management/client"
-	"github.com/netbirdio/netbird/shared/management/client/common"
-)
-
-// Auth manages authentication operations with the management server
-// The underlying management client handles connection retry and reconnection automatically
-type Auth struct {
-	client *mgm.GrpcClient
-	config *profilemanager.Config
-}
-
-// NewAuth creates a new Auth instance that manages authentication flows
-// It establishes a connection to the management server that will be reused for all operations
-// The management client handles connection retry and reconnection automatically
-func NewAuth(ctx context.Context, privateKey string, mgmURL *url.URL, config *profilemanager.Config) (*Auth, error) {
-	// Validate WireGuard private key
-	myPrivateKey, err := wgtypes.ParseKey(privateKey)
-	if err != nil {
-		log.Errorf("failed parsing Wireguard key %s: [%s]", privateKey, err.Error())
-		return nil, err
-	}
-
-	// Determine TLS setting based on URL scheme
-	mgmTLSEnabled := mgmURL.Scheme == "https"
-
-	log.Debugf("connecting to Management Service %s", mgmURL.String())
-	mgmClient := mgm.NewClient(mgmURL.Host, myPrivateKey, mgmTLSEnabled)
-	if err := mgmClient.Connect(ctx); err != nil {
-		log.Errorf("failed connecting to Management Service %s: %v", mgmURL.String(), err)
-		return nil, err
-	}
-
-	log.Debugf("connected to the Management service %s", mgmURL.String())
-
-	return &Auth{
-		client: mgmClient,
-		config: config,
-	}, nil
-}
-
-// Close closes the management client connection
-func (a *Auth) Close() error {
-	if a.client == nil {
-		return nil
-	}
-	return a.client.Close()
-}
-
-// IsSSOSupported checks if the management server supports SSO by attempting to retrieve auth flow configurations.
-// Returns true if either PKCE or Device authorization flow is supported, false otherwise.
-func (a *Auth) IsSSOSupported(ctx context.Context) (bool, error) {
-	// Try PKCE flow first
-	_, err := a.getPKCEFlow(ctx)
-	if err == nil {
-		return true, nil
-	}
-
-	// Check if PKCE is not supported
-	if errors.Is(err, mgm.ErrNotFound) || errors.Is(err, mgm.ErrUnimplemented) {
-		// PKCE not supported, try Device flow
-		_, err = a.getDeviceFlow(ctx)
-		if err == nil {
-			return true, nil
-		}
-
-		// Check if Device flow is also not supported
-		if errors.Is(err, mgm.ErrNotFound) || errors.Is(err, mgm.ErrUnimplemented) {
-			// Neither PKCE nor Device flow is supported
-			return false, nil
-		}
-
-		// Device flow check returned an error other than NotFound/Unimplemented
-		return false, err
-	}
-
-	// PKCE flow check returned an error other than NotFound/Unimplemented
-	return false, err
-}
-
-// IsLoginRequired checks if login is required by attempting to authenticate with the server
-func (a *Auth) IsLoginRequired(ctx context.Context) (bool, error) {
-	pubSSHKey, err := ssh.GeneratePublicKey([]byte(a.config.SSHKey))
-	if err != nil {
-		return false, err
-	}
-
-	err = a.doMgmLogin(ctx, pubSSHKey)
-	if isLoginNeeded(err) {
-		return true, nil
-	}
-
-	return false, err
-}
-
-// Login attempts to log in or register the client with the management server
-// Returns custom errors from mgm package: ErrPermissionDenied, ErrInvalidArgument, ErrUnauthenticated
-func (a *Auth) Login(ctx context.Context, setupKey string, jwtToken string) error {
-	pubSSHKey, err := ssh.GeneratePublicKey([]byte(a.config.SSHKey))
-	if err != nil {
-		return fmt.Errorf("generate SSH public key: %w", err)
-	}
-
-	err = a.doMgmLogin(ctx, pubSSHKey)
-	if isRegistrationNeeded(err) {
-		log.Debugf("peer registration required")
-		return a.registerPeer(ctx, setupKey, jwtToken, pubSSHKey)
-	}
-	return err
-}
-
-// getPKCEFlow retrieves PKCE authorization flow configuration and creates a flow instance
-func (a *Auth) getPKCEFlow(ctx context.Context) (*PKCEAuthorizationFlow, error) {
-	protoFlow, err := a.client.GetPKCEAuthorizationFlow(ctx)
-	if err != nil {
-		if errors.Is(err, mgm.ErrNotFound) {
-			log.Warnf("server couldn't find pkce flow, contact admin: %v", err)
-			return nil, err
-		}
-		log.Errorf("failed to retrieve pkce flow: %v", err)
-		return nil, err
-	}
-
-	protoConfig := protoFlow.GetProviderConfig()
-	config := &PKCEAuthProviderConfig{
-		Audience:              protoConfig.GetAudience(),
-		ClientID:              protoConfig.GetClientID(),
-		ClientSecret:          protoConfig.GetClientSecret(),
-		TokenEndpoint:         protoConfig.GetTokenEndpoint(),
-		AuthorizationEndpoint: protoConfig.GetAuthorizationEndpoint(),
-		Scope:                 protoConfig.GetScope(),
-		RedirectURLs:          protoConfig.GetRedirectURLs(),
-		UseIDToken:            protoConfig.GetUseIDToken(),
-		ClientCertPair:        a.config.ClientCertKeyPair,
-		DisablePromptLogin:    protoConfig.GetDisablePromptLogin(),
-		LoginFlag:             common.LoginFlag(protoConfig.GetLoginFlag()),
-	}
-
-	if err := validatePKCEConfig(config); err != nil {
-		return nil, err
-	}
-
-	flow, err := NewPKCEAuthorizationFlow(*config)
-	if err != nil {
-		return nil, err
-	}
-
-	return flow, nil
-}
-
-// getDeviceFlow retrieves device authorization flow configuration and creates a flow instance
-func (a *Auth) getDeviceFlow(ctx context.Context) (*DeviceAuthorizationFlow, error) {
-	protoFlow, err := a.client.GetDeviceAuthorizationFlow(ctx)
-	if err != nil {
-		if errors.Is(err, mgm.ErrNotFound) {
-			log.Warnf("server couldn't find device flow, contact admin: %v", err)
-			return nil, err
-		}
-		log.Errorf("failed to retrieve device flow: %v", err)
-		return nil, err
-	}
-
-	protoConfig := protoFlow.GetProviderConfig()
-	config := &DeviceAuthProviderConfig{
-		Audience:           protoConfig.GetAudience(),
-		ClientID:           protoConfig.GetClientID(),
-		ClientSecret:       protoConfig.GetClientSecret(),
-		Domain:             protoConfig.Domain,
-		TokenEndpoint:      protoConfig.GetTokenEndpoint(),
-		DeviceAuthEndpoint: protoConfig.GetDeviceAuthEndpoint(),
-		Scope:              protoConfig.GetScope(),
-		UseIDToken:         protoConfig.GetUseIDToken(),
-	}
-
-	// Keep compatibility with older management versions
-	if config.Scope == "" {
-		config.Scope = "openid"
-	}
-
-	if err := validateDeviceAuthConfig(config); err != nil {
-		return nil, err
-	}
-
-	flow, err := NewDeviceAuthorizationFlow(*config)
-	if err != nil {
-		return nil, err
-	}
-
-	return flow, nil
-}
-
-// doMgmLogin performs the actual login operation with the management service
-func (a *Auth) doMgmLogin(ctx context.Context, pubSSHKey []byte) error {
-	sysInfo := system.GetInfo(ctx)
-	sysInfo.SetFlags(
-		a.config.RosenpassEnabled,
-		a.config.RosenpassPermissive,
-		a.config.ServerSSHAllowed,
-		a.config.DisableClientRoutes,
-		a.config.DisableServerRoutes,
-		a.config.DisableDNS,
-		a.config.DisableFirewall,
-		a.config.BlockLANAccess,
-		a.config.BlockInbound,
-		a.config.LazyConnectionEnabled,
-		a.config.EnableSSHRoot,
-		a.config.EnableSSHSFTP,
-		a.config.EnableSSHLocalPortForwarding,
-		a.config.EnableSSHRemotePortForwarding,
-		a.config.DisableSSHAuth,
-	)
-	_, err := a.client.Login(ctx, sysInfo, pubSSHKey, a.config.DNSLabels)
-	return err
-}
-
-// registerPeer checks whether setupKey was provided via cmd line and if not then it prompts user to enter a key.
-// Otherwise tries to register with the provided setupKey via command line.
-func (a *Auth) registerPeer(ctx context.Context, setupKey string, jwtToken string, pubSSHKey []byte) error {
-	validSetupKey, err := uuid.Parse(setupKey)
-	if err != nil && jwtToken == "" {
-		return fmt.Errorf("%w: invalid setup-key or no SSO information provided: %v", mgm.ErrInvalidArgument, err)
-	}
-
-	log.Debugf("sending peer registration request to Management Service")
-	info := system.GetInfo(ctx)
-	info.SetFlags(
-		a.config.RosenpassEnabled,
-		a.config.RosenpassPermissive,
-		a.config.ServerSSHAllowed,
-		a.config.DisableClientRoutes,
-		a.config.DisableServerRoutes,
-		a.config.DisableDNS,
-		a.config.DisableFirewall,
-		a.config.BlockLANAccess,
-		a.config.BlockInbound,
-		a.config.LazyConnectionEnabled,
-		a.config.EnableSSHRoot,
-		a.config.EnableSSHSFTP,
-		a.config.EnableSSHLocalPortForwarding,
-		a.config.EnableSSHRemotePortForwarding,
-		a.config.DisableSSHAuth,
-	)
-
-	// todo: fix error handling of validSetupKey
-	if err := a.client.Register(ctx, validSetupKey.String(), jwtToken, info, pubSSHKey, a.config.DNSLabels); err != nil {
-		log.Errorf("failed registering peer %v", err)
-		return err
-	}
-
-	log.Infof("peer has been successfully registered on Management Service")
-
-	return nil
-}
-
-// isPermissionDenied checks if the error is a PermissionDenied error
-func isPermissionDenied(err error) bool {
-	return errors.Is(err, mgm.ErrPermissionDenied)
-}
-
-// isLoginNeeded checks if the error indicates login is required
-func isLoginNeeded(err error) bool {
-	if err == nil {
-		return false
-	}
-	return errors.Is(err, mgm.ErrInvalidArgument) ||
-		errors.Is(err, mgm.ErrPermissionDenied) ||
-		errors.Is(err, mgm.ErrUnauthenticated)
-}
-
-// isRegistrationNeeded checks if the error indicates peer registration is needed
-func isRegistrationNeeded(err error) bool {
-	return isPermissionDenied(err)
-}

client/internal/auth/device_flow.go

@@ -15,6 +15,7 @@ import (
 
 	log "github.com/sirupsen/logrus"
 
+	"github.com/netbirdio/netbird/client/internal"
 	"github.com/netbirdio/netbird/util/embeddedroots"
 )
 
@@ -25,56 +26,12 @@ const (
 
 var _ OAuthFlow = &DeviceAuthorizationFlow{}
 
-// DeviceAuthProviderConfig has all attributes needed to initiate a device authorization flow
-type DeviceAuthProviderConfig struct {
-	// ClientID An IDP application client id
-	ClientID string
-	// ClientSecret An IDP application client secret
-	ClientSecret string
-	// Domain An IDP API domain
-	// Deprecated. Use OIDCConfigEndpoint instead
-	Domain string
-	// Audience An Audience for to authorization validation
-	Audience string
-	// TokenEndpoint is the endpoint of an IDP manager where clients can obtain access token
-	TokenEndpoint string
-	// DeviceAuthEndpoint is the endpoint of an IDP manager where clients can obtain device authorization code
-	DeviceAuthEndpoint string
-	// Scopes provides the scopes to be included in the token request
-	Scope string
-	// UseIDToken indicates if the id token should be used for authentication
-	UseIDToken bool
-	// LoginHint is used to pre-fill the email/username field during authentication
-	LoginHint string
-}
-
-// validateDeviceAuthConfig validates device authorization provider configuration
-func validateDeviceAuthConfig(config *DeviceAuthProviderConfig) error {
-	errorMsgFormat := "invalid provider configuration received from management: %s value is empty. Contact your NetBird administrator"
-
-	if config.Audience == "" {
-		return fmt.Errorf(errorMsgFormat, "Audience")
-	}
-	if config.ClientID == "" {
-		return fmt.Errorf(errorMsgFormat, "Client ID")
-	}
-	if config.TokenEndpoint == "" {
-		return fmt.Errorf(errorMsgFormat, "Token Endpoint")
-	}
-	if config.DeviceAuthEndpoint == "" {
-		return fmt.Errorf(errorMsgFormat, "Device Auth Endpoint")
-	}
-	if config.Scope == "" {
-		return fmt.Errorf(errorMsgFormat, "Device Auth Scopes")
-	}
-	return nil
-}
-
 // DeviceAuthorizationFlow implements the OAuthFlow interface,
 // for the Device Authorization Flow.
 type DeviceAuthorizationFlow struct {
-	providerConfig DeviceAuthProviderConfig
-	HTTPClient     HTTPClient
+	providerConfig internal.DeviceAuthProviderConfig
+
+	HTTPClient HTTPClient
 }
 
 // RequestDeviceCodePayload used for request device code payload for auth0
@@ -100,7 +57,7 @@ type TokenRequestResponse struct {
 }
 
 // NewDeviceAuthorizationFlow returns device authorization flow client
-func NewDeviceAuthorizationFlow(config DeviceAuthProviderConfig) (*DeviceAuthorizationFlow, error) {
+func NewDeviceAuthorizationFlow(config internal.DeviceAuthProviderConfig) (*DeviceAuthorizationFlow, error) {
 	httpTransport := http.DefaultTransport.(*http.Transport).Clone()
 	httpTransport.MaxIdleConns = 5
 
@@ -132,11 +89,6 @@ func (d *DeviceAuthorizationFlow) GetClientID(ctx context.Context) string {
 	return d.providerConfig.ClientID
 }
 
-// SetLoginHint sets the login hint for the device authorization flow
-func (d *DeviceAuthorizationFlow) SetLoginHint(hint string) {
-	d.providerConfig.LoginHint = hint
-}
-
 // RequestAuthInfo requests a device code login flow information from Hosted
 func (d *DeviceAuthorizationFlow) RequestAuthInfo(ctx context.Context) (AuthFlowInfo, error) {
 	form := url.Values{}
@@ -247,22 +199,14 @@ func (d *DeviceAuthorizationFlow) requestToken(info AuthFlowInfo) (TokenRequestR
 }
 
 // WaitToken waits user's login and authorize the app. Once the user's authorize
-// it retrieves the access token from Hosted's endpoint and validates it before returning.
-// The method creates a timeout context internally based on info.ExpiresIn.
+// it retrieves the access token from Hosted's endpoint and validates it before returning
 func (d *DeviceAuthorizationFlow) WaitToken(ctx context.Context, info AuthFlowInfo) (TokenInfo, error) {
-	// Create timeout context based on flow expiration
-	timeout := time.Duration(info.ExpiresIn) * time.Second
-	waitCtx, cancel := context.WithTimeout(ctx, timeout)
-	defer cancel()
-
 	interval := time.Duration(info.Interval) * time.Second
 	ticker := time.NewTicker(interval)
-	defer ticker.Stop()
-
 	for {
 		select {
-		case <-waitCtx.Done():
-			return TokenInfo{}, waitCtx.Err()
+		case <-ctx.Done():
+			return TokenInfo{}, ctx.Err()
 		case <-ticker.C:
 
 			tokenResponse, err := d.requestToken(info)

client/internal/auth/device_flow_test.go

@@ -12,6 +12,8 @@ import (
 
 	"github.com/golang-jwt/jwt/v5"
 	"github.com/stretchr/testify/require"
+
+	"github.com/netbirdio/netbird/client/internal"
 )
 
 type mockHTTPClient struct {
@@ -113,19 +115,18 @@ func TestHosted_RequestDeviceCode(t *testing.T) {
 				err:     testCase.inputReqError,
 			}
 
-			config := DeviceAuthProviderConfig{
-				Audience:           expectedAudience,
-				ClientID:           expectedClientID,
-				Scope:              expectedScope,
-				TokenEndpoint:      "test.hosted.com/token",
-				DeviceAuthEndpoint: "test.hosted.com/device/auth",
-				UseIDToken:         false,
+			deviceFlow := &DeviceAuthorizationFlow{
+				providerConfig: internal.DeviceAuthProviderConfig{
+					Audience:           expectedAudience,
+					ClientID:           expectedClientID,
+					Scope:              expectedScope,
+					TokenEndpoint:      "test.hosted.com/token",
+					DeviceAuthEndpoint: "test.hosted.com/device/auth",
+					UseIDToken:         false,
+				},
+				HTTPClient: &httpClient,
 			}
 
-			deviceFlow, err := NewDeviceAuthorizationFlow(config)
-			require.NoError(t, err, "creating device flow should not fail")
-			deviceFlow.HTTPClient = &httpClient
-
 			authInfo, err := deviceFlow.RequestAuthInfo(context.TODO())
 			testCase.testingErrFunc(t, err, testCase.expectedErrorMSG)
 
@@ -279,19 +280,18 @@ func TestHosted_WaitToken(t *testing.T) {
 				countResBody: testCase.inputCountResBody,
 			}
 
-			config := DeviceAuthProviderConfig{
-				Audience:           testCase.inputAudience,
-				ClientID:           clientID,
-				TokenEndpoint:      "test.hosted.com/token",
-				DeviceAuthEndpoint: "test.hosted.com/device/auth",
-				Scope:              "openid",
-				UseIDToken:         false,
+			deviceFlow := DeviceAuthorizationFlow{
+				providerConfig: internal.DeviceAuthProviderConfig{
+					Audience:           testCase.inputAudience,
+					ClientID:           clientID,
+					TokenEndpoint:      "test.hosted.com/token",
+					DeviceAuthEndpoint: "test.hosted.com/device/auth",
+					Scope:              "openid",
+					UseIDToken:         false,
+				},
+				HTTPClient: &httpClient,
 			}
 
-			deviceFlow, err := NewDeviceAuthorizationFlow(config)
-			require.NoError(t, err, "creating device flow should not fail")
-			deviceFlow.HTTPClient = &httpClient
-
 			ctx, cancel := context.WithTimeout(context.TODO(), testCase.inputTimeout)
 			defer cancel()
 			tokenInfo, err := deviceFlow.WaitToken(ctx, testCase.inputInfo)

client/internal/auth/oauth.go

@@ -10,6 +10,7 @@ import (
 	"google.golang.org/grpc/codes"
 	gstatus "google.golang.org/grpc/status"
 
+	"github.com/netbirdio/netbird/client/internal"
 	"github.com/netbirdio/netbird/client/internal/profilemanager"
 )
 
@@ -59,19 +60,14 @@ func (t TokenInfo) GetTokenToUse() string {
 	return t.AccessToken
 }
 
-func shouldUseDeviceFlow(force bool, isUnixDesktopClient bool) bool {
-	return force || (runtime.GOOS == "linux" || runtime.GOOS == "freebsd") && !isUnixDesktopClient
-}
-
 // NewOAuthFlow initializes and returns the appropriate OAuth flow based on the management configuration
 //
 // It starts by initializing the PKCE.If this process fails, it resorts to the Device Code Flow,
 // and if that also fails, the authentication process is deemed unsuccessful
 //
 // On Linux distros without desktop environment support, it only tries to initialize the Device Code Flow
-// forceDeviceCodeFlow can be used to skip PKCE and go directly to Device Code Flow (e.g., for Android TV)
-func NewOAuthFlow(ctx context.Context, config *profilemanager.Config, isUnixDesktopClient bool, forceDeviceCodeFlow bool, hint string) (OAuthFlow, error) {
-	if shouldUseDeviceFlow(forceDeviceCodeFlow, isUnixDesktopClient) {
+func NewOAuthFlow(ctx context.Context, config *profilemanager.Config, isUnixDesktopClient bool, hint string) (OAuthFlow, error) {
+	if (runtime.GOOS == "linux" || runtime.GOOS == "freebsd") && !isUnixDesktopClient {
 		return authenticateWithDeviceCodeFlow(ctx, config, hint)
 	}
 
@@ -86,33 +82,19 @@ func NewOAuthFlow(ctx context.Context, config *profilemanager.Config, isUnixDesk
 
 // authenticateWithPKCEFlow initializes the Proof Key for Code Exchange flow auth flow
 func authenticateWithPKCEFlow(ctx context.Context, config *profilemanager.Config, hint string) (OAuthFlow, error) {
-	authClient, err := NewAuth(ctx, config.PrivateKey, config.ManagementURL, config)
-	if err != nil {
-		return nil, fmt.Errorf("failed to create auth client: %v", err)
-	}
-	defer authClient.Close()
-
-	pkceFlowInfo, err := authClient.getPKCEFlow(ctx)
+	pkceFlowInfo, err := internal.GetPKCEAuthorizationFlowInfo(ctx, config.PrivateKey, config.ManagementURL, config.ClientCertKeyPair)
 	if err != nil {
 		return nil, fmt.Errorf("getting pkce authorization flow info failed with error: %v", err)
 	}
 
-	if hint != "" {
-		pkceFlowInfo.SetLoginHint(hint)
-	}
+	pkceFlowInfo.ProviderConfig.LoginHint = hint
 
-	return pkceFlowInfo, nil
+	return NewPKCEAuthorizationFlow(pkceFlowInfo.ProviderConfig)
 }
 
 // authenticateWithDeviceCodeFlow initializes the Device Code auth Flow
 func authenticateWithDeviceCodeFlow(ctx context.Context, config *profilemanager.Config, hint string) (OAuthFlow, error) {
-	authClient, err := NewAuth(ctx, config.PrivateKey, config.ManagementURL, config)
-	if err != nil {
-		return nil, fmt.Errorf("failed to create auth client: %v", err)
-	}
-	defer authClient.Close()
-
-	deviceFlowInfo, err := authClient.getDeviceFlow(ctx)
+	deviceFlowInfo, err := internal.GetDeviceAuthorizationFlowInfo(ctx, config.PrivateKey, config.ManagementURL)
 	if err != nil {
 		switch s, ok := gstatus.FromError(err); {
 		case ok && s.Code() == codes.NotFound:
@@ -127,9 +109,7 @@ func authenticateWithDeviceCodeFlow(ctx context.Context, config *profilemanager.
 		}
 	}
 
-	if hint != "" {
-		deviceFlowInfo.SetLoginHint(hint)
-	}
+	deviceFlowInfo.ProviderConfig.LoginHint = hint
 
-	return deviceFlowInfo, nil
+	return NewDeviceAuthorizationFlow(deviceFlowInfo.ProviderConfig)
 }

client/internal/auth/pkce_flow.go

@@ -19,8 +19,8 @@ import (
 	log "github.com/sirupsen/logrus"
 	"golang.org/x/oauth2"
 
+	"github.com/netbirdio/netbird/client/internal"
 	"github.com/netbirdio/netbird/client/internal/templates"
-	"github.com/netbirdio/netbird/shared/management/client/common"
 )
 
 var _ OAuthFlow = &PKCEAuthorizationFlow{}
@@ -33,67 +33,17 @@ const (
 	defaultPKCETimeoutSeconds = 300
 )
 
-// PKCEAuthProviderConfig has all attributes needed to initiate PKCE authorization flow
-type PKCEAuthProviderConfig struct {
-	// ClientID An IDP application client id
-	ClientID string
-	// ClientSecret An IDP application client secret
-	ClientSecret string
-	// Audience An Audience for to authorization validation
-	Audience string
-	// TokenEndpoint is the endpoint of an IDP manager where clients can obtain access token
-	TokenEndpoint string
-	// AuthorizationEndpoint is the endpoint of an IDP manager where clients can obtain authorization code
-	AuthorizationEndpoint string
-	// Scopes provides the scopes to be included in the token request
-	Scope string
-	// RedirectURL handles authorization code from IDP manager
-	RedirectURLs []string
-	// UseIDToken indicates if the id token should be used for authentication
-	UseIDToken bool
-	// ClientCertPair is used for mTLS authentication to the IDP
-	ClientCertPair *tls.Certificate
-	// DisablePromptLogin makes the PKCE flow to not prompt the user for login
-	DisablePromptLogin bool
-	// LoginFlag is used to configure the PKCE flow login behavior
-	LoginFlag common.LoginFlag
-	// LoginHint is used to pre-fill the email/username field during authentication
-	LoginHint string
-}
-
-// validatePKCEConfig validates PKCE provider configuration
-func validatePKCEConfig(config *PKCEAuthProviderConfig) error {
-	errorMsgFormat := "invalid provider configuration received from management: %s value is empty. Contact your NetBird administrator"
-
-	if config.ClientID == "" {
-		return fmt.Errorf(errorMsgFormat, "Client ID")
-	}
-	if config.TokenEndpoint == "" {
-		return fmt.Errorf(errorMsgFormat, "Token Endpoint")
-	}
-	if config.AuthorizationEndpoint == "" {
-		return fmt.Errorf(errorMsgFormat, "Authorization Auth Endpoint")
-	}
-	if config.Scope == "" {
-		return fmt.Errorf(errorMsgFormat, "PKCE Auth Scopes")
-	}
-	if config.RedirectURLs == nil {
-		return fmt.Errorf(errorMsgFormat, "PKCE Redirect URLs")
-	}
-	return nil
-}
-
 // PKCEAuthorizationFlow implements the OAuthFlow interface for
 // the Authorization Code Flow with PKCE.
 type PKCEAuthorizationFlow struct {
-	providerConfig PKCEAuthProviderConfig
+	providerConfig internal.PKCEAuthProviderConfig
 	state          string
 	codeVerifier   string
 	oAuthConfig    *oauth2.Config
 }
 
 // NewPKCEAuthorizationFlow returns new PKCE authorization code flow.
-func NewPKCEAuthorizationFlow(config PKCEAuthProviderConfig) (*PKCEAuthorizationFlow, error) {
+func NewPKCEAuthorizationFlow(config internal.PKCEAuthProviderConfig) (*PKCEAuthorizationFlow, error) {
 	var availableRedirectURL string
 
 	// find the first available redirect URL
@@ -171,21 +121,10 @@ func (p *PKCEAuthorizationFlow) RequestAuthInfo(ctx context.Context) (AuthFlowIn
 	}, nil
 }
 
-// SetLoginHint sets the login hint for the PKCE authorization flow
-func (p *PKCEAuthorizationFlow) SetLoginHint(hint string) {
-	p.providerConfig.LoginHint = hint
-}
-
 // WaitToken waits for the OAuth token in the PKCE Authorization Flow.
 // It starts an HTTP server to receive the OAuth token callback and waits for the token or an error.
 // Once the token is received, it is converted to TokenInfo and validated before returning.
-// The method creates a timeout context internally based on info.ExpiresIn.
-func (p *PKCEAuthorizationFlow) WaitToken(ctx context.Context, info AuthFlowInfo) (TokenInfo, error) {
-	// Create timeout context based on flow expiration
-	timeout := time.Duration(info.ExpiresIn) * time.Second
-	waitCtx, cancel := context.WithTimeout(ctx, timeout)
-	defer cancel()
-
+func (p *PKCEAuthorizationFlow) WaitToken(ctx context.Context, _ AuthFlowInfo) (TokenInfo, error) {
 	tokenChan := make(chan *oauth2.Token, 1)
 	errChan := make(chan error, 1)
 
@@ -196,7 +135,7 @@ func (p *PKCEAuthorizationFlow) WaitToken(ctx context.Context, info AuthFlowInfo
 
 	server := &http.Server{Addr: fmt.Sprintf(":%s", parsedURL.Port())}
 	defer func() {
-		shutdownCtx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+		shutdownCtx, cancel := context.WithTimeout(ctx, 5*time.Second)
 		defer cancel()
 
 		if err := server.Shutdown(shutdownCtx); err != nil {
@@ -207,8 +146,8 @@ func (p *PKCEAuthorizationFlow) WaitToken(ctx context.Context, info AuthFlowInfo
 	go p.startServer(server, tokenChan, errChan)
 
 	select {
-	case <-waitCtx.Done():
-		return TokenInfo{}, waitCtx.Err()
+	case <-ctx.Done():
+		return TokenInfo{}, ctx.Err()
 	case token := <-tokenChan:
 		return p.parseOAuthToken(token)
 	case err := <-errChan:

client/internal/auth/pkce_flow_test.go

@@ -6,6 +6,7 @@ import (
 
 	"github.com/stretchr/testify/require"
 
+	"github.com/netbirdio/netbird/client/internal"
 	mgm "github.com/netbirdio/netbird/shared/management/client/common"
 )
 
@@ -40,7 +41,7 @@ func TestPromptLogin(t *testing.T) {
 
 	for _, tc := range tt {
 		t.Run(tc.name, func(t *testing.T) {
-			config := PKCEAuthProviderConfig{
+			config := internal.PKCEAuthProviderConfig{
 				ClientID:              "test-client-id",
 				Audience:              "test-audience",
 				TokenEndpoint:         "https://test-token-endpoint.com/token",

client/internal/connect.go

@@ -162,11 +162,6 @@ func (c *ConnectClient) run(mobileDependency MobileDependency, runningChan chan
 		return err
 	}
 
-	// Create management client once outside retry loop
-	mgmClient := mgm.NewClient(c.config.ManagementURL.Host, myPrivateKey, mgmTlsEnabled)
-	mgmNotifier := statusRecorderToMgmConnStateNotifier(c.statusRecorder)
-	mgmClient.SetConnStateListener(mgmNotifier)
-
 	defer c.statusRecorder.ClientStop()
 	operation := func() error {
 		// if context cancelled we not start new backoff cycle
@@ -185,9 +180,12 @@ func (c *ConnectClient) run(mobileDependency MobileDependency, runningChan chan
 		}()
 
 		log.Debugf("connecting to the Management service %s", c.config.ManagementURL.Host)
-		if err := mgmClient.ConnectWithoutRetry(engineCtx); err != nil {
-			return wrapErr(fmt.Errorf("failed connecting to Management Service: %w", err))
+		mgmClient, err := mgm.NewClient(engineCtx, c.config.ManagementURL.Host, myPrivateKey, mgmTlsEnabled)
+		if err != nil {
+			return wrapErr(gstatus.Errorf(codes.FailedPrecondition, "failed connecting to Management Service : %s", err))
 		}
+		mgmNotifier := statusRecorderToMgmConnStateNotifier(c.statusRecorder)
+		mgmClient.SetConnStateListener(mgmNotifier)
 
 		log.Debugf("connected to the Management service %s", c.config.ManagementURL.Host)
 		defer func() {
@@ -200,7 +198,7 @@ func (c *ConnectClient) run(mobileDependency MobileDependency, runningChan chan
 		loginResp, err := loginToManagement(engineCtx, mgmClient, publicSSHKey, c.config)
 		if err != nil {
 			log.Debug(err)
-			if errors.Is(err, mgm.ErrPermissionDenied) {
+			if s, ok := gstatus.FromError(err); ok && (s.Code() == codes.PermissionDenied) {
 				state.Set(StatusNeedsLogin)
 				_ = c.Stop()
 				return backoff.Permanent(wrapErr(err)) // unrecoverable error
@@ -322,7 +320,7 @@ func (c *ConnectClient) run(mobileDependency MobileDependency, runningChan chan
 	err = backoff.Retry(operation, backOff)
 	if err != nil {
 		log.Debugf("exiting client retry loop due to unrecoverable error: %s", err)
-		if errors.Is(err, mgm.ErrPermissionDenied) {
+		if s, ok := gstatus.FromError(err); ok && (s.Code() == codes.PermissionDenied) {
 			state.Set(StatusNeedsLogin)
 			_ = c.Stop()
 		}
@@ -506,6 +504,12 @@ func connectToSignal(ctx context.Context, wtConfig *mgmProto.NetbirdConfig, ourP
 
 // loginToManagement creates Management ServiceDependencies client, establishes a connection, logs-in and gets a global Netbird config (signal, turn, stun hosts, etc)
 func loginToManagement(ctx context.Context, client mgm.Client, pubSSHKey []byte, config *profilemanager.Config) (*mgmProto.LoginResponse, error) {
+
+	serverPublicKey, err := client.GetServerPublicKey()
+	if err != nil {
+		return nil, gstatus.Errorf(codes.FailedPrecondition, "failed while getting Management Service public key: %s", err)
+	}
+
 	sysInfo := system.GetInfo(ctx)
 	sysInfo.SetFlags(
 		config.RosenpassEnabled,
@@ -524,7 +528,7 @@ func loginToManagement(ctx context.Context, client mgm.Client, pubSSHKey []byte,
 		config.EnableSSHRemotePortForwarding,
 		config.DisableSSHAuth,
 	)
-	loginResp, err := client.Login(ctx, sysInfo, pubSSHKey, config.DNSLabels)
+	loginResp, err := client.Login(*serverPublicKey, sysInfo, pubSSHKey, config.DNSLabels)
 	if err != nil {
 		return nil, err
 	}

client/internal/device_auth.go

@@ -0,0 +1,136 @@
+package internal
+
+import (
+	"context"
+	"fmt"
+	"net/url"
+
+	log "github.com/sirupsen/logrus"
+	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+
+	mgm "github.com/netbirdio/netbird/shared/management/client"
+)
+
+// DeviceAuthorizationFlow represents Device Authorization Flow information
+type DeviceAuthorizationFlow struct {
+	Provider       string
+	ProviderConfig DeviceAuthProviderConfig
+}
+
+// DeviceAuthProviderConfig has all attributes needed to initiate a device authorization flow
+type DeviceAuthProviderConfig struct {
+	// ClientID An IDP application client id
+	ClientID string
+	// ClientSecret An IDP application client secret
+	ClientSecret string
+	// Domain An IDP API domain
+	// Deprecated. Use OIDCConfigEndpoint instead
+	Domain string
+	// Audience An Audience for to authorization validation
+	Audience string
+	// TokenEndpoint is the endpoint of an IDP manager where clients can obtain access token
+	TokenEndpoint string
+	// DeviceAuthEndpoint is the endpoint of an IDP manager where clients can obtain device authorization code
+	DeviceAuthEndpoint string
+	// Scopes provides the scopes to be included in the token request
+	Scope string
+	// UseIDToken indicates if the id token should be used for authentication
+	UseIDToken bool
+	// LoginHint is used to pre-fill the email/username field during authentication
+	LoginHint string
+}
+
+// GetDeviceAuthorizationFlowInfo initialize a DeviceAuthorizationFlow instance and return with it
+func GetDeviceAuthorizationFlowInfo(ctx context.Context, privateKey string, mgmURL *url.URL) (DeviceAuthorizationFlow, error) {
+	// validate our peer's Wireguard PRIVATE key
+	myPrivateKey, err := wgtypes.ParseKey(privateKey)
+	if err != nil {
+		log.Errorf("failed parsing Wireguard key %s: [%s]", privateKey, err.Error())
+		return DeviceAuthorizationFlow{}, err
+	}
+
+	var mgmTLSEnabled bool
+	if mgmURL.Scheme == "https" {
+		mgmTLSEnabled = true
+	}
+
+	log.Debugf("connecting to Management Service %s", mgmURL.String())
+	mgmClient, err := mgm.NewClient(ctx, mgmURL.Host, myPrivateKey, mgmTLSEnabled)
+	if err != nil {
+		log.Errorf("failed connecting to Management Service %s %v", mgmURL.String(), err)
+		return DeviceAuthorizationFlow{}, err
+	}
+	log.Debugf("connected to the Management service %s", mgmURL.String())
+
+	defer func() {
+		err = mgmClient.Close()
+		if err != nil {
+			log.Warnf("failed to close the Management service client %v", err)
+		}
+	}()
+
+	serverKey, err := mgmClient.GetServerPublicKey()
+	if err != nil {
+		log.Errorf("failed while getting Management Service public key: %v", err)
+		return DeviceAuthorizationFlow{}, err
+	}
+
+	protoDeviceAuthorizationFlow, err := mgmClient.GetDeviceAuthorizationFlow(*serverKey)
+	if err != nil {
+		if s, ok := status.FromError(err); ok && s.Code() == codes.NotFound {
+			log.Warnf("server couldn't find device flow, contact admin: %v", err)
+			return DeviceAuthorizationFlow{}, err
+		}
+		log.Errorf("failed to retrieve device flow: %v", err)
+		return DeviceAuthorizationFlow{}, err
+	}
+
+	deviceAuthorizationFlow := DeviceAuthorizationFlow{
+		Provider: protoDeviceAuthorizationFlow.Provider.String(),
+
+		ProviderConfig: DeviceAuthProviderConfig{
+			Audience:           protoDeviceAuthorizationFlow.GetProviderConfig().GetAudience(),
+			ClientID:           protoDeviceAuthorizationFlow.GetProviderConfig().GetClientID(),
+			ClientSecret:       protoDeviceAuthorizationFlow.GetProviderConfig().GetClientSecret(),
+			Domain:             protoDeviceAuthorizationFlow.GetProviderConfig().Domain,
+			TokenEndpoint:      protoDeviceAuthorizationFlow.GetProviderConfig().GetTokenEndpoint(),
+			DeviceAuthEndpoint: protoDeviceAuthorizationFlow.GetProviderConfig().GetDeviceAuthEndpoint(),
+			Scope:              protoDeviceAuthorizationFlow.GetProviderConfig().GetScope(),
+			UseIDToken:         protoDeviceAuthorizationFlow.GetProviderConfig().GetUseIDToken(),
+		},
+	}
+
+	// keep compatibility with older management versions
+	if deviceAuthorizationFlow.ProviderConfig.Scope == "" {
+		deviceAuthorizationFlow.ProviderConfig.Scope = "openid"
+	}
+
+	err = isDeviceAuthProviderConfigValid(deviceAuthorizationFlow.ProviderConfig)
+	if err != nil {
+		return DeviceAuthorizationFlow{}, err
+	}
+
+	return deviceAuthorizationFlow, nil
+}
+
+func isDeviceAuthProviderConfigValid(config DeviceAuthProviderConfig) error {
+	errorMSGFormat := "invalid provider configuration received from management: %s value is empty. Contact your NetBird administrator"
+	if config.Audience == "" {
+		return fmt.Errorf(errorMSGFormat, "Audience")
+	}
+	if config.ClientID == "" {
+		return fmt.Errorf(errorMSGFormat, "Client ID")
+	}
+	if config.TokenEndpoint == "" {
+		return fmt.Errorf(errorMSGFormat, "Token Endpoint")
+	}
+	if config.DeviceAuthEndpoint == "" {
+		return fmt.Errorf(errorMSGFormat, "Device Auth Endpoint")
+	}
+	if config.Scope == "" {
+		return fmt.Errorf(errorMSGFormat, "Device Auth Scopes")
+	}
+	return nil
+}

client/internal/dns.go

@@ -76,9 +76,6 @@ func collectPTRRecords(config *nbdns.Config, prefix netip.Prefix) []nbdns.Simple
 	var records []nbdns.SimpleRecord
 
 	for _, zone := range config.CustomZones {
-		if zone.SkipPTRProcess {
-			continue
-		}
 		for _, record := range zone.Records {
 			if record.Type != int(dns.TypeA) {
 				continue
@@ -109,9 +106,8 @@ func addReverseZone(config *nbdns.Config, network netip.Prefix) {
 	records := collectPTRRecords(config, network)
 
 	reverseZone := nbdns.CustomZone{
-		Domain:               zoneName,
-		Records:              records,
-		SearchDomainDisabled: true,
+		Domain:  zoneName,
+		Records: records,
 	}
 
 	config.CustomZones = append(config.CustomZones, reverseZone)

client/internal/dns/host.go

@@ -11,6 +11,11 @@ import (
 	nbdns "github.com/netbirdio/netbird/dns"
 )
 
+const (
+	ipv4ReverseZone = ".in-addr.arpa."
+	ipv6ReverseZone = ".ip6.arpa."
+)
+
 type hostManager interface {
 	applyDNSConfig(config HostDNSConfig, stateManager *statemanager.Manager) error
 	restoreHostDNS() error
@@ -105,9 +110,10 @@ func dnsConfigToHostDNSConfig(dnsConfig nbdns.Config, ip netip.Addr, port int) H
 	}
 
 	for _, customZone := range dnsConfig.CustomZones {
+		matchOnly := strings.HasSuffix(customZone.Domain, ipv4ReverseZone) || strings.HasSuffix(customZone.Domain, ipv6ReverseZone)
 		config.Domains = append(config.Domains, DomainConfig{
 			Domain:    strings.ToLower(dns.Fqdn(customZone.Domain)),
-			MatchOnly: customZone.SearchDomainDisabled,
+			MatchOnly: matchOnly,
 		})
 	}
 

client/internal/engine.go

@@ -891,7 +891,7 @@ func (e *Engine) updateChecksIfNew(checks []*mgmProto.Checks) error {
 		e.config.DisableSSHAuth,
 	)
 
-	if err := e.mgmClient.SyncMeta(e.ctx, info); err != nil {
+	if err := e.mgmClient.SyncMeta(info); err != nil {
 		log.Errorf("could not sync meta: error %s", err)
 		return err
 	}
@@ -1207,9 +1207,7 @@ func toDNSConfig(protoDNSConfig *mgmProto.DNSConfig, network netip.Prefix) nbdns
 
 	for _, zone := range protoDNSConfig.GetCustomZones() {
 		dnsZone := nbdns.CustomZone{
-			Domain:               zone.GetDomain(),
-			SearchDomainDisabled: zone.GetSearchDomainDisabled(),
-			SkipPTRProcess:       zone.GetSkipPTRProcess(),
+			Domain: zone.GetDomain(),
 		}
 		for _, record := range zone.Records {
 			dnsRecord := nbdns.SimpleRecord{
@@ -1517,7 +1515,7 @@ func (e *Engine) readInitialSettings() ([]*route.Route, *nbdns.Config, bool, err
 		e.config.DisableSSHAuth,
 	)
 
-	netMap, err := e.mgmClient.GetNetworkMap(e.ctx, info)
+	netMap, err := e.mgmClient.GetNetworkMap(info)
 	if err != nil {
 		return nil, nil, false, err
 	}
@@ -1666,7 +1664,7 @@ func (e *Engine) RunHealthProbes(waitForResult bool) bool {
 	signalHealthy := e.signal.IsHealthy()
 	log.Debugf("signal health check: healthy=%t", signalHealthy)
 
-	managementHealthy := e.mgmClient.IsHealthy(e.ctx)
+	managementHealthy := e.mgmClient.IsHealthy()
 	log.Debugf("management health check: healthy=%t", managementHealthy)
 
 	stuns := slices.Clone(e.STUNs)

client/internal/engine_test.go

@@ -1503,8 +1503,8 @@ func createEngine(ctx context.Context, cancel context.CancelFunc, setupKey strin
 	if err != nil {
 		return nil, err
 	}
-	mgmtClient := mgmt.NewClient(mgmtAddr, key, false)
-	if err := mgmtClient.Connect(ctx); err != nil {
+	mgmtClient, err := mgmt.NewClient(ctx, mgmtAddr, key, false)
+	if err != nil {
 		return nil, err
 	}
 	signalClient, err := signal.NewClient(ctx, signalAddr, key, false)
@@ -1512,8 +1512,13 @@ func createEngine(ctx context.Context, cancel context.CancelFunc, setupKey strin
 		return nil, err
 	}
 
+	publicKey, err := mgmtClient.GetServerPublicKey()
+	if err != nil {
+		return nil, err
+	}
+
 	info := system.GetInfo(ctx)
-	err = mgmtClient.Register(ctx, setupKey, "", info, nil, nil)
+	resp, err := mgmtClient.Register(*publicKey, setupKey, "", info, nil, nil)
 	if err != nil {
 		return nil, err
 	}
@@ -1526,10 +1531,9 @@ func createEngine(ctx context.Context, cancel context.CancelFunc, setupKey strin
 	}
 
 	wgPort := 33100 + i
-	testAddr := fmt.Sprintf("100.64.0.%d/24", i+1)
 	conf := &EngineConfig{
 		WgIfaceName:  ifaceName,
-		WgAddr:       testAddr,
+		WgAddr:       resp.PeerConfig.Address,
 		WgPrivateKey: key,
 		WgPort:       wgPort,
 		MTU:          iface.DefaultMTU,

client/internal/login.go

@@ -0,0 +1,201 @@
+package internal
+
+import (
+	"context"
+	"net/url"
+
+	"github.com/google/uuid"
+	log "github.com/sirupsen/logrus"
+	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+
+	"github.com/netbirdio/netbird/client/internal/profilemanager"
+	"github.com/netbirdio/netbird/client/ssh"
+	"github.com/netbirdio/netbird/client/system"
+	mgm "github.com/netbirdio/netbird/shared/management/client"
+	mgmProto "github.com/netbirdio/netbird/shared/management/proto"
+)
+
+// IsLoginRequired check that the server is support SSO or not
+func IsLoginRequired(ctx context.Context, config *profilemanager.Config) (bool, error) {
+	mgmURL := config.ManagementURL
+	mgmClient, err := getMgmClient(ctx, config.PrivateKey, mgmURL)
+	if err != nil {
+		return false, err
+	}
+	defer func() {
+		err = mgmClient.Close()
+		if err != nil {
+			cStatus, ok := status.FromError(err)
+			if !ok || ok && cStatus.Code() != codes.Canceled {
+				log.Warnf("failed to close the Management service client, err: %v", err)
+			}
+		}
+	}()
+	log.Debugf("connected to the Management service %s", mgmURL.String())
+
+	pubSSHKey, err := ssh.GeneratePublicKey([]byte(config.SSHKey))
+	if err != nil {
+		return false, err
+	}
+
+	_, _, err = doMgmLogin(ctx, mgmClient, pubSSHKey, config)
+	if isLoginNeeded(err) {
+		return true, nil
+	}
+	return false, err
+}
+
+// Login or register the client
+func Login(ctx context.Context, config *profilemanager.Config, setupKey string, jwtToken string) error {
+	mgmClient, err := getMgmClient(ctx, config.PrivateKey, config.ManagementURL)
+	if err != nil {
+		return err
+	}
+	defer func() {
+		err = mgmClient.Close()
+		if err != nil {
+			cStatus, ok := status.FromError(err)
+			if !ok || ok && cStatus.Code() != codes.Canceled {
+				log.Warnf("failed to close the Management service client, err: %v", err)
+			}
+		}
+	}()
+	log.Debugf("connected to the Management service %s", config.ManagementURL.String())
+
+	pubSSHKey, err := ssh.GeneratePublicKey([]byte(config.SSHKey))
+	if err != nil {
+		return err
+	}
+
+	serverKey, _, err := doMgmLogin(ctx, mgmClient, pubSSHKey, config)
+	if serverKey != nil && isRegistrationNeeded(err) {
+		log.Debugf("peer registration required")
+		_, err = registerPeer(ctx, *serverKey, mgmClient, setupKey, jwtToken, pubSSHKey, config)
+		if err != nil {
+			return err
+		}
+	} else if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func getMgmClient(ctx context.Context, privateKey string, mgmURL *url.URL) (*mgm.GrpcClient, error) {
+	// validate our peer's Wireguard PRIVATE key
+	myPrivateKey, err := wgtypes.ParseKey(privateKey)
+	if err != nil {
+		log.Errorf("failed parsing Wireguard key %s: [%s]", privateKey, err.Error())
+		return nil, err
+	}
+
+	var mgmTlsEnabled bool
+	if mgmURL.Scheme == "https" {
+		mgmTlsEnabled = true
+	}
+
+	log.Debugf("connecting to the Management service %s", mgmURL.String())
+	mgmClient, err := mgm.NewClient(ctx, mgmURL.Host, myPrivateKey, mgmTlsEnabled)
+	if err != nil {
+		log.Errorf("failed connecting to the Management service %s %v", mgmURL.String(), err)
+		return nil, err
+	}
+	return mgmClient, err
+}
+
+func doMgmLogin(ctx context.Context, mgmClient *mgm.GrpcClient, pubSSHKey []byte, config *profilemanager.Config) (*wgtypes.Key, *mgmProto.LoginResponse, error) {
+	serverKey, err := mgmClient.GetServerPublicKey()
+	if err != nil {
+		log.Errorf("failed while getting Management Service public key: %v", err)
+		return nil, nil, err
+	}
+
+	sysInfo := system.GetInfo(ctx)
+	sysInfo.SetFlags(
+		config.RosenpassEnabled,
+		config.RosenpassPermissive,
+		config.ServerSSHAllowed,
+		config.DisableClientRoutes,
+		config.DisableServerRoutes,
+		config.DisableDNS,
+		config.DisableFirewall,
+		config.BlockLANAccess,
+		config.BlockInbound,
+		config.LazyConnectionEnabled,
+		config.EnableSSHRoot,
+		config.EnableSSHSFTP,
+		config.EnableSSHLocalPortForwarding,
+		config.EnableSSHRemotePortForwarding,
+		config.DisableSSHAuth,
+	)
+	loginResp, err := mgmClient.Login(*serverKey, sysInfo, pubSSHKey, config.DNSLabels)
+	return serverKey, loginResp, err
+}
+
+// registerPeer checks whether setupKey was provided via cmd line and if not then it prompts user to enter a key.
+// Otherwise tries to register with the provided setupKey via command line.
+func registerPeer(ctx context.Context, serverPublicKey wgtypes.Key, client *mgm.GrpcClient, setupKey string, jwtToken string, pubSSHKey []byte, config *profilemanager.Config) (*mgmProto.LoginResponse, error) {
+	validSetupKey, err := uuid.Parse(setupKey)
+	if err != nil && jwtToken == "" {
+		return nil, status.Errorf(codes.InvalidArgument, "invalid setup-key or no sso information provided, err: %v", err)
+	}
+
+	log.Debugf("sending peer registration request to Management Service")
+	info := system.GetInfo(ctx)
+	info.SetFlags(
+		config.RosenpassEnabled,
+		config.RosenpassPermissive,
+		config.ServerSSHAllowed,
+		config.DisableClientRoutes,
+		config.DisableServerRoutes,
+		config.DisableDNS,
+		config.DisableFirewall,
+		config.BlockLANAccess,
+		config.BlockInbound,
+		config.LazyConnectionEnabled,
+		config.EnableSSHRoot,
+		config.EnableSSHSFTP,
+		config.EnableSSHLocalPortForwarding,
+		config.EnableSSHRemotePortForwarding,
+		config.DisableSSHAuth,
+	)
+	loginResp, err := client.Register(serverPublicKey, validSetupKey.String(), jwtToken, info, pubSSHKey, config.DNSLabels)
+	if err != nil {
+		log.Errorf("failed registering peer %v", err)
+		return nil, err
+	}
+
+	log.Infof("peer has been successfully registered on Management Service")
+
+	return loginResp, nil
+}
+
+func isLoginNeeded(err error) bool {
+	if err == nil {
+		return false
+	}
+	s, ok := status.FromError(err)
+	if !ok {
+		return false
+	}
+	if s.Code() == codes.InvalidArgument || s.Code() == codes.PermissionDenied {
+		return true
+	}
+	return false
+}
+
+func isRegistrationNeeded(err error) bool {
+	if err == nil {
+		return false
+	}
+	s, ok := status.FromError(err)
+	if !ok {
+		return false
+	}
+	if s.Code() == codes.PermissionDenied {
+		return true
+	}
+	return false
+}

client/internal/pkce_auth.go

@@ -0,0 +1,138 @@
+package internal
+
+import (
+	"context"
+	"crypto/tls"
+	"fmt"
+	"net/url"
+
+	log "github.com/sirupsen/logrus"
+	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+
+	mgm "github.com/netbirdio/netbird/shared/management/client"
+	"github.com/netbirdio/netbird/shared/management/client/common"
+)
+
+// PKCEAuthorizationFlow represents PKCE Authorization Flow information
+type PKCEAuthorizationFlow struct {
+	ProviderConfig PKCEAuthProviderConfig
+}
+
+// PKCEAuthProviderConfig has all attributes needed to initiate pkce authorization flow
+type PKCEAuthProviderConfig struct {
+	// ClientID An IDP application client id
+	ClientID string
+	// ClientSecret An IDP application client secret
+	ClientSecret string
+	// Audience An Audience for to authorization validation
+	Audience string
+	// TokenEndpoint is the endpoint of an IDP manager where clients can obtain access token
+	TokenEndpoint string
+	// AuthorizationEndpoint is the endpoint of an IDP manager where clients can obtain authorization code
+	AuthorizationEndpoint string
+	// Scopes provides the scopes to be included in the token request
+	Scope string
+	// RedirectURL handles authorization code from IDP manager
+	RedirectURLs []string
+	// UseIDToken indicates if the id token should be used for authentication
+	UseIDToken bool
+	// ClientCertPair is used for mTLS authentication to the IDP
+	ClientCertPair *tls.Certificate
+	// DisablePromptLogin makes the PKCE flow to not prompt the user for login
+	DisablePromptLogin bool
+	// LoginFlag is used to configure the PKCE flow login behavior
+	LoginFlag common.LoginFlag
+	// LoginHint is used to pre-fill the email/username field during authentication
+	LoginHint string
+}
+
+// GetPKCEAuthorizationFlowInfo initialize a PKCEAuthorizationFlow instance and return with it
+func GetPKCEAuthorizationFlowInfo(ctx context.Context, privateKey string, mgmURL *url.URL, clientCert *tls.Certificate) (PKCEAuthorizationFlow, error) {
+	// validate our peer's Wireguard PRIVATE key
+	myPrivateKey, err := wgtypes.ParseKey(privateKey)
+	if err != nil {
+		log.Errorf("failed parsing Wireguard key %s: [%s]", privateKey, err.Error())
+		return PKCEAuthorizationFlow{}, err
+	}
+
+	var mgmTLSEnabled bool
+	if mgmURL.Scheme == "https" {
+		mgmTLSEnabled = true
+	}
+
+	log.Debugf("connecting to Management Service %s", mgmURL.String())
+	mgmClient, err := mgm.NewClient(ctx, mgmURL.Host, myPrivateKey, mgmTLSEnabled)
+	if err != nil {
+		log.Errorf("failed connecting to Management Service %s %v", mgmURL.String(), err)
+		return PKCEAuthorizationFlow{}, err
+	}
+	log.Debugf("connected to the Management service %s", mgmURL.String())
+
+	defer func() {
+		err = mgmClient.Close()
+		if err != nil {
+			log.Warnf("failed to close the Management service client %v", err)
+		}
+	}()
+
+	serverKey, err := mgmClient.GetServerPublicKey()
+	if err != nil {
+		log.Errorf("failed while getting Management Service public key: %v", err)
+		return PKCEAuthorizationFlow{}, err
+	}
+
+	protoPKCEAuthorizationFlow, err := mgmClient.GetPKCEAuthorizationFlow(*serverKey)
+	if err != nil {
+		if s, ok := status.FromError(err); ok && s.Code() == codes.NotFound {
+			log.Warnf("server couldn't find pkce flow, contact admin: %v", err)
+			return PKCEAuthorizationFlow{}, err
+		}
+		log.Errorf("failed to retrieve pkce flow: %v", err)
+		return PKCEAuthorizationFlow{}, err
+	}
+
+	authFlow := PKCEAuthorizationFlow{
+		ProviderConfig: PKCEAuthProviderConfig{
+			Audience:              protoPKCEAuthorizationFlow.GetProviderConfig().GetAudience(),
+			ClientID:              protoPKCEAuthorizationFlow.GetProviderConfig().GetClientID(),
+			ClientSecret:          protoPKCEAuthorizationFlow.GetProviderConfig().GetClientSecret(),
+			TokenEndpoint:         protoPKCEAuthorizationFlow.GetProviderConfig().GetTokenEndpoint(),
+			AuthorizationEndpoint: protoPKCEAuthorizationFlow.GetProviderConfig().GetAuthorizationEndpoint(),
+			Scope:                 protoPKCEAuthorizationFlow.GetProviderConfig().GetScope(),
+			RedirectURLs:          protoPKCEAuthorizationFlow.GetProviderConfig().GetRedirectURLs(),
+			UseIDToken:            protoPKCEAuthorizationFlow.GetProviderConfig().GetUseIDToken(),
+			ClientCertPair:        clientCert,
+			DisablePromptLogin:    protoPKCEAuthorizationFlow.GetProviderConfig().GetDisablePromptLogin(),
+			LoginFlag:             common.LoginFlag(protoPKCEAuthorizationFlow.GetProviderConfig().GetLoginFlag()),
+		},
+	}
+
+	err = isPKCEProviderConfigValid(authFlow.ProviderConfig)
+	if err != nil {
+		return PKCEAuthorizationFlow{}, err
+	}
+
+	return authFlow, nil
+}
+
+func isPKCEProviderConfigValid(config PKCEAuthProviderConfig) error {
+	errorMSGFormat := "invalid provider configuration received from management: %s value is empty. Contact your NetBird administrator"
+	if config.ClientID == "" {
+		return fmt.Errorf(errorMSGFormat, "Client ID")
+	}
+	if config.TokenEndpoint == "" {
+		return fmt.Errorf(errorMSGFormat, "Token Endpoint")
+	}
+	if config.AuthorizationEndpoint == "" {
+		return fmt.Errorf(errorMSGFormat, "Authorization Auth Endpoint")
+	}
+	if config.Scope == "" {
+		return fmt.Errorf(errorMSGFormat, "PKCE Auth Scopes")
+	}
+	if config.RedirectURLs == nil {
+		return fmt.Errorf(errorMSGFormat, "PKCE Redirect URLs")
+	}
+	return nil
+}

client/internal/profilemanager/config.go

@@ -730,8 +730,8 @@ func UpdateOldManagementURL(ctx context.Context, config *Config, configPath stri
 		return config, err
 	}
 
-	client := mgm.NewClient(newURL.Host, key, mgmTlsEnabled)
-	if err := client.Connect(ctx); err != nil {
+	client, err := mgm.NewClient(ctx, newURL.Host, key, mgmTlsEnabled)
+	if err != nil {
 		log.Infof("couldn't switch to the new Management %s", newURL.String())
 		return config, err
 	}
@@ -743,7 +743,8 @@ func UpdateOldManagementURL(ctx context.Context, config *Config, configPath stri
 	}()
 
 	// gRPC check
-	if err := client.HealthCheck(ctx); err != nil {
+	_, err = client.GetServerPublicKey()
+	if err != nil {
 		log.Infof("couldn't switch to the new Management %s", newURL.String())
 		return nil, err
 	}

client/ios/NetBirdSDK/client.go

@@ -208,13 +208,7 @@ func (c *Client) IsLoginRequired() bool {
 		ConfigPath: c.cfgFile,
 	})
 
-	authClient, err := auth.NewAuth(ctx, cfg.PrivateKey, cfg.ManagementURL, cfg)
-	if err != nil {
-		return true // Assume login is required if we can't create auth client
-	}
-	defer authClient.Close()
-
-	needsLogin, _ := authClient.IsLoginRequired(ctx)
+	needsLogin, _ := internal.IsLoginRequired(ctx, cfg)
 	return needsLogin
 }
 
@@ -234,7 +228,7 @@ func (c *Client) LoginForMobile() string {
 		ConfigPath: c.cfgFile,
 	})
 
-	oAuthFlow, err := auth.NewOAuthFlow(ctx, cfg, false, false, "")
+	oAuthFlow, err := auth.NewOAuthFlow(ctx, cfg, false, "")
 	if err != nil {
 		return err.Error()
 	}
@@ -246,17 +240,15 @@ func (c *Client) LoginForMobile() string {
 
 	// This could cause a potential race condition with loading the extension which need to be handled on swift side
 	go func() {
-		tokenInfo, err := oAuthFlow.WaitToken(ctx, flowInfo)
+		waitTimeout := time.Duration(flowInfo.ExpiresIn) * time.Second
+		waitCTX, cancel := context.WithTimeout(ctx, waitTimeout)
+		defer cancel()
+		tokenInfo, err := oAuthFlow.WaitToken(waitCTX, flowInfo)
 		if err != nil {
 			return
 		}
 		jwtToken := tokenInfo.GetTokenToUse()
-		authClient, err := auth.NewAuth(ctx, cfg.PrivateKey, cfg.ManagementURL, cfg)
-		if err != nil {
-			return
-		}
-		defer authClient.Close()
-		_ = authClient.Login(ctx, "", jwtToken)
+		_ = internal.Login(ctx, cfg, "", jwtToken)
 		c.loginComplete = true
 	}()
 

client/ios/NetBirdSDK/login.go

@@ -3,8 +3,15 @@ package NetBirdSDK
 import (
 	"context"
 	"fmt"
+	"time"
 
-	"github.com/netbirdio/netbird/client/internal/auth"
+	"github.com/cenkalti/backoff/v4"
+	log "github.com/sirupsen/logrus"
+	"google.golang.org/grpc/codes"
+	gstatus "google.golang.org/grpc/status"
+
+	"github.com/netbirdio/netbird/client/cmd"
+	"github.com/netbirdio/netbird/client/internal"
 	"github.com/netbirdio/netbird/client/internal/profilemanager"
 	"github.com/netbirdio/netbird/client/system"
 )
@@ -64,21 +71,30 @@ func NewAuthWithConfig(ctx context.Context, config *profilemanager.Config) *Auth
 // If it returns a flow info than save the configuration and return true. If it gets a codes.NotFound, it means that SSO
 // is not supported and returns false without saving the configuration. For other errors return false.
 func (a *Auth) SaveConfigIfSSOSupported() (bool, error) {
-	authClient, err := auth.NewAuth(a.ctx, a.config.PrivateKey, a.config.ManagementURL, a.config)
-	if err != nil {
-		return false, fmt.Errorf("failed to create auth client: %v", err)
-	}
-	defer authClient.Close()
+	supportsSSO := true
+	err := a.withBackOff(a.ctx, func() (err error) {
+		_, err = internal.GetDeviceAuthorizationFlowInfo(a.ctx, a.config.PrivateKey, a.config.ManagementURL)
+		if s, ok := gstatus.FromError(err); ok && (s.Code() == codes.NotFound || s.Code() == codes.Unimplemented) {
+			_, err = internal.GetPKCEAuthorizationFlowInfo(a.ctx, a.config.PrivateKey, a.config.ManagementURL, nil)
+			if s, ok := gstatus.FromError(err); ok && (s.Code() == codes.NotFound || s.Code() == codes.Unimplemented) {
+				supportsSSO = false
+				err = nil
+			}
 
-	supportsSSO, err := authClient.IsSSOSupported(a.ctx)
-	if err != nil {
-		return false, fmt.Errorf("failed to check SSO support: %v", err)
-	}
+			return err
+		}
+
+		return err
+	})
 
 	if !supportsSSO {
 		return false, nil
 	}
 
+	if err != nil {
+		return false, fmt.Errorf("backoff cycle failed: %v", err)
+	}
+
 	err = profilemanager.WriteOutConfig(a.cfgPath, a.config)
 	return true, err
 }
@@ -87,31 +103,32 @@ func (a *Auth) SaveConfigIfSSOSupported() (bool, error) {
 func (a *Auth) LoginWithSetupKeyAndSaveConfig(setupKey string, deviceName string) error {
 	//nolint
 	ctxWithValues := context.WithValue(a.ctx, system.DeviceNameCtxKey, deviceName)
-	authClient, err := auth.NewAuth(a.ctx, a.config.PrivateKey, a.config.ManagementURL, a.config)
-	if err != nil {
-		return fmt.Errorf("failed to create auth client: %v", err)
-	}
-	defer authClient.Close()
 
-	err = authClient.Login(ctxWithValues, setupKey, "")
+	err := a.withBackOff(a.ctx, func() error {
+		backoffErr := internal.Login(ctxWithValues, a.config, setupKey, "")
+		if s, ok := gstatus.FromError(backoffErr); ok && (s.Code() == codes.PermissionDenied) {
+			// we got an answer from management, exit backoff earlier
+			return backoff.Permanent(backoffErr)
+		}
+		return backoffErr
+	})
 	if err != nil {
-		return fmt.Errorf("login failed: %v", err)
+		return fmt.Errorf("backoff cycle failed: %v", err)
 	}
 
 	return profilemanager.WriteOutConfig(a.cfgPath, a.config)
 }
 
 func (a *Auth) Login() error {
-	authClient, err := auth.NewAuth(a.ctx, a.config.PrivateKey, a.config.ManagementURL, a.config)
-	if err != nil {
-		return fmt.Errorf("failed to create auth client: %v", err)
-	}
-	defer authClient.Close()
+	var needsLogin bool
 
 	// check if we need to generate JWT token
-	needsLogin, err := authClient.IsLoginRequired(a.ctx)
+	err := a.withBackOff(a.ctx, func() (err error) {
+		needsLogin, err = internal.IsLoginRequired(a.ctx, a.config)
+		return
+	})
 	if err != nil {
-		return fmt.Errorf("failed to check login requirement: %v", err)
+		return fmt.Errorf("backoff cycle failed: %v", err)
 	}
 
 	jwtToken := ""
@@ -119,10 +136,25 @@ func (a *Auth) Login() error {
 		return fmt.Errorf("Not authenticated")
 	}
 
-	err = authClient.Login(a.ctx, "", jwtToken)
+	err = a.withBackOff(a.ctx, func() error {
+		err := internal.Login(a.ctx, a.config, "", jwtToken)
+		if s, ok := gstatus.FromError(err); ok && (s.Code() == codes.InvalidArgument || s.Code() == codes.PermissionDenied) {
+			return nil
+		}
+		return err
+	})
 	if err != nil {
-		return fmt.Errorf("login failed: %v", err)
+		return fmt.Errorf("backoff cycle failed: %v", err)
 	}
 
 	return nil
 }
+
+func (a *Auth) withBackOff(ctx context.Context, bf func() error) error {
+	return backoff.RetryNotify(
+		bf,
+		backoff.WithContext(cmd.CLIBackOffSettings, ctx),
+		func(err error, duration time.Duration) {
+			log.Warnf("retrying Login to the Management service in %v due to error %v", duration, err)
+		})
+}

client/server/server.go

@@ -278,22 +278,14 @@ func (s *Server) connectWithRetryRuns(ctx context.Context, profileConfig *profil
 
 // loginAttempt attempts to login using the provided information. it returns a status in case something fails
 func (s *Server) loginAttempt(ctx context.Context, setupKey, jwtToken string) (internal.StatusType, error) {
-	authClient, err := auth.NewAuth(ctx, s.config.PrivateKey, s.config.ManagementURL, s.config)
-	if err != nil {
-		log.Errorf("failed to create auth client: %v", err)
-		return internal.StatusLoginFailed, err
-	}
-	defer authClient.Close()
-
 	var status internal.StatusType
-	err = authClient.Login(ctx, setupKey, jwtToken)
+	err := internal.Login(ctx, s.config, setupKey, jwtToken)
 	if err != nil {
-		// Check if it's an authentication error (permission denied, invalid credentials, unauthenticated)
-		if errors.Is(err, mgm.ErrPermissionDenied) || errors.Is(err, mgm.ErrInvalidArgument) || errors.Is(err, mgm.ErrUnauthenticated) {
-			log.Warnf("authentication failed: %v", err)
+		if s, ok := gstatus.FromError(err); ok && (s.Code() == codes.InvalidArgument || s.Code() == codes.PermissionDenied) {
+			log.Warnf("failed login: %v", err)
 			status = internal.StatusNeedsLogin
 		} else {
-			log.Errorf("login failed: %v", err)
+			log.Errorf("failed login: %v", err)
 			status = internal.StatusLoginFailed
 		}
 		return status, err
@@ -512,7 +504,7 @@ func (s *Server) Login(callerCtx context.Context, msg *proto.LoginRequest) (*pro
 		if msg.Hint != nil {
 			hint = *msg.Hint
 		}
-		oAuthFlow, err := auth.NewOAuthFlow(ctx, config, msg.IsUnixDesktopClient, false, hint)
+		oAuthFlow, err := auth.NewOAuthFlow(ctx, config, msg.IsUnixDesktopClient, hint)
 		if err != nil {
 			state.Set(internal.StatusLoginFailed)
 			return nil, err
@@ -614,7 +606,8 @@ func (s *Server) WaitSSOLogin(callerCtx context.Context, msg *proto.WaitSSOLogin
 		s.oauthAuthFlow.waitCancel()
 	}
 
-	waitCTX, cancel := context.WithCancel(ctx)
+	waitTimeout := time.Until(s.oauthAuthFlow.expiresAt)
+	waitCTX, cancel := context.WithTimeout(ctx, waitTimeout)
 	defer cancel()
 
 	s.mutex.Lock()
@@ -1009,8 +1002,8 @@ func (s *Server) sendLogoutRequestWithConfig(ctx context.Context, config *profil
 	}
 
 	mgmTlsEnabled := config.ManagementURL.Scheme == "https"
-	mgmClient := mgm.NewClient(config.ManagementURL.Host, key, mgmTlsEnabled)
-	if err := mgmClient.Connect(ctx); err != nil {
+	mgmClient, err := mgm.NewClient(ctx, config.ManagementURL.Host, key, mgmTlsEnabled)
+	if err != nil {
 		return fmt.Errorf("connect to management server: %w", err)
 	}
 	defer func() {
@@ -1019,7 +1012,7 @@ func (s *Server) sendLogoutRequestWithConfig(ctx context.Context, config *profil
 		}
 	}()
 
-	return mgmClient.Logout(ctx)
+	return mgmClient.Logout()
 }
 
 // Status returns the daemon status
@@ -1242,7 +1235,7 @@ func (s *Server) RequestJWTAuth(
 	}
 
 	isDesktop := isUnixRunningDesktop()
-	oAuthFlow, err := auth.NewOAuthFlow(ctx, config, isDesktop, false, hint)
+	oAuthFlow, err := auth.NewOAuthFlow(ctx, config, isDesktop, hint)
 	if err != nil {
 		return nil, gstatus.Errorf(codes.Internal, "failed to create OAuth flow: %v", err)
 	}

dns/dns.go

@@ -45,10 +45,6 @@ type CustomZone struct {
 	Domain string
 	// Records custom zone records
 	Records []SimpleRecord
-	// SearchDomainDisabled indicates whether to add match domains to a search domains list or not
-	SearchDomainDisabled bool
-	// SkipPTRProcess indicates whether a client should process PTR records from custom zones
-	SkipPTRProcess bool
 }
 
 // SimpleRecord provides a simple DNS record specification for CNAME, A and AAAA records

management/internals/controllers/network_map/controller/controller_test.go

@@ -1,9 +1,16 @@
 package controller
 
 import (
+	"context"
+	"sync"
+	"sync/atomic"
 	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
 
 	"github.com/netbirdio/netbird/management/internals/controllers/network_map"
+	"github.com/netbirdio/netbird/management/server/mock_server"
 	nbpeer "github.com/netbirdio/netbird/management/server/peer"
 )
 
@@ -107,3 +114,131 @@ func TestComputeForwarderPort(t *testing.T) {
 		t.Errorf("Expected %d for peers with unknown version, got %d", network_map.OldForwarderPort, result)
 	}
 }
+
+func TestBufferUpdateAccountPeers(t *testing.T) {
+	const (
+		peersCount            = 1000
+		updateAccountInterval = 50 * time.Millisecond
+	)
+
+	var (
+		deletedPeers, updatePeersDeleted, updatePeersRuns atomic.Int32
+		uapLastRun, dpLastRun                             atomic.Int64
+
+		totalNewRuns, totalOldRuns int
+	)
+
+	uap := func(ctx context.Context, accountID string) {
+		updatePeersDeleted.Store(deletedPeers.Load())
+		updatePeersRuns.Add(1)
+		uapLastRun.Store(time.Now().UnixMilli())
+		time.Sleep(100 * time.Millisecond)
+	}
+
+	t.Run("new approach", func(t *testing.T) {
+		updatePeersRuns.Store(0)
+		updatePeersDeleted.Store(0)
+		deletedPeers.Store(0)
+
+		var mustore sync.Map
+		bufupd := func(ctx context.Context, accountID string) {
+			mu, _ := mustore.LoadOrStore(accountID, &bufferUpdate{})
+			b := mu.(*bufferUpdate)
+
+			if !b.mu.TryLock() {
+				b.update.Store(true)
+				return
+			}
+
+			if b.next != nil {
+				b.next.Stop()
+			}
+
+			go func() {
+				defer b.mu.Unlock()
+				uap(ctx, accountID)
+				if !b.update.Load() {
+					return
+				}
+				b.update.Store(false)
+				b.next = time.AfterFunc(updateAccountInterval, func() {
+					uap(ctx, accountID)
+				})
+			}()
+		}
+		dp := func(ctx context.Context, accountID, peerID, userID string) error {
+			deletedPeers.Add(1)
+			dpLastRun.Store(time.Now().UnixMilli())
+			time.Sleep(10 * time.Millisecond)
+			bufupd(ctx, accountID)
+			return nil
+		}
+
+		am := mock_server.MockAccountManager{
+			UpdateAccountPeersFunc:       uap,
+			BufferUpdateAccountPeersFunc: bufupd,
+			DeletePeerFunc:               dp,
+		}
+		empty := ""
+		for range peersCount {
+			//nolint
+			am.DeletePeer(context.Background(), empty, empty, empty)
+		}
+		time.Sleep(100 * time.Millisecond)
+
+		assert.Equal(t, peersCount, int(deletedPeers.Load()), "Expected all peers to be deleted")
+		assert.Equal(t, peersCount, int(updatePeersDeleted.Load()), "Expected all peers to be updated in the buffer")
+		assert.GreaterOrEqual(t, uapLastRun.Load(), dpLastRun.Load(), "Expected update account peers to run after delete peer")
+
+		totalNewRuns = int(updatePeersRuns.Load())
+	})
+
+	t.Run("old approach", func(t *testing.T) {
+		updatePeersRuns.Store(0)
+		updatePeersDeleted.Store(0)
+		deletedPeers.Store(0)
+
+		var mustore sync.Map
+		bufupd := func(ctx context.Context, accountID string) {
+			mu, _ := mustore.LoadOrStore(accountID, &sync.Mutex{})
+			b := mu.(*sync.Mutex)
+
+			if !b.TryLock() {
+				return
+			}
+
+			go func() {
+				time.Sleep(updateAccountInterval)
+				b.Unlock()
+				uap(ctx, accountID)
+			}()
+		}
+		dp := func(ctx context.Context, accountID, peerID, userID string) error {
+			deletedPeers.Add(1)
+			dpLastRun.Store(time.Now().UnixMilli())
+			time.Sleep(10 * time.Millisecond)
+			bufupd(ctx, accountID)
+			return nil
+		}
+
+		am := mock_server.MockAccountManager{
+			UpdateAccountPeersFunc:       uap,
+			BufferUpdateAccountPeersFunc: bufupd,
+			DeletePeerFunc:               dp,
+		}
+		empty := ""
+		for range peersCount {
+			//nolint
+			am.DeletePeer(context.Background(), empty, empty, empty)
+		}
+		time.Sleep(100 * time.Millisecond)
+
+		assert.Equal(t, peersCount, int(deletedPeers.Load()), "Expected all peers to be deleted")
+		assert.Equal(t, peersCount, int(updatePeersDeleted.Load()), "Expected all peers to be updated in the buffer")
+		assert.GreaterOrEqual(t, uapLastRun.Load(), dpLastRun.Load(), "Expected update account peers to run after delete peer")
+
+		totalOldRuns = int(updatePeersRuns.Load())
+	})
+	assert.Less(t, totalNewRuns, totalOldRuns, "Expected new approach to run less than old approach. New runs: %d, Old runs: %d", totalNewRuns, totalOldRuns)
+	t.Logf("New runs: %d, Old runs: %d", totalNewRuns, totalOldRuns)
+}

management/internals/shared/grpc/conversion.go

@@ -369,7 +369,7 @@ func buildJWTConfig(config *nbconfig.HttpServerConfig, deviceFlowConfig *nbconfi
 	}
 
 	issuer := strings.TrimSpace(config.AuthIssuer)
-	if issuer == "" && deviceFlowConfig != nil {
+	if issuer == "" || deviceFlowConfig != nil {
 		if d := deriveIssuerFromTokenEndpoint(deviceFlowConfig.ProviderConfig.TokenEndpoint); d != "" {
 			issuer = d
 		}

shared/management/client/client.go

@@ -4,6 +4,8 @@ import (
 	"context"
 	"io"
 
+	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
+
 	"github.com/netbirdio/netbird/client/system"
 	"github.com/netbirdio/netbird/shared/management/domain"
 	"github.com/netbirdio/netbird/shared/management/proto"
@@ -12,13 +14,13 @@ import (
 type Client interface {
 	io.Closer
 	Sync(ctx context.Context, sysInfo *system.Info, msgHandler func(msg *proto.SyncResponse) error) error
-	Register(ctx context.Context, setupKey string, jwtToken string, sysInfo *system.Info, sshKey []byte, dnsLabels domain.List) error
-	Login(ctx context.Context, sysInfo *system.Info, sshKey []byte, dnsLabels domain.List) (*proto.LoginResponse, error)
-	GetDeviceAuthorizationFlow(ctx context.Context) (*proto.DeviceAuthorizationFlow, error)
-	GetPKCEAuthorizationFlow(ctx context.Context) (*proto.PKCEAuthorizationFlow, error)
-	GetNetworkMap(ctx context.Context, sysInfo *system.Info) (*proto.NetworkMap, error)
-	IsHealthy(ctx context.Context) bool
-	HealthCheck(ctx context.Context) error
-	SyncMeta(ctx context.Context, sysInfo *system.Info) error
-	Logout(ctx context.Context) error
+	GetServerPublicKey() (*wgtypes.Key, error)
+	Register(serverKey wgtypes.Key, setupKey string, jwtToken string, sysInfo *system.Info, sshKey []byte, dnsLabels domain.List) (*proto.LoginResponse, error)
+	Login(serverKey wgtypes.Key, sysInfo *system.Info, sshKey []byte, dnsLabels domain.List) (*proto.LoginResponse, error)
+	GetDeviceAuthorizationFlow(serverKey wgtypes.Key) (*proto.DeviceAuthorizationFlow, error)
+	GetPKCEAuthorizationFlow(serverKey wgtypes.Key) (*proto.PKCEAuthorizationFlow, error)
+	GetNetworkMap(sysInfo *system.Info) (*proto.NetworkMap, error)
+	IsHealthy() bool
+	SyncMeta(sysInfo *system.Info) error
+	Logout() error
 }

shared/management/client/client_test.go

@@ -193,12 +193,12 @@ func TestClient_GetServerPublicKey(t *testing.T) {
 	s, listener := startManagement(t)
 	defer closeManagementSilently(s, listener)
 
-	client := NewClient(listener.Addr().String(), testKey, false)
-	if err := client.Connect(ctx); err != nil {
+	client, err := NewClient(ctx, listener.Addr().String(), testKey, false)
+	if err != nil {
 		t.Fatal(err)
 	}
 
-	key, err := client.getServerPublicKey(ctx)
+	key, err := client.GetServerPublicKey()
 	if err != nil {
 		t.Error("couldn't retrieve management public key")
 	}
@@ -216,12 +216,16 @@ func TestClient_LoginUnregistered_ShouldThrow_401(t *testing.T) {
 	s, listener := startManagement(t)
 	defer closeManagementSilently(s, listener)
 
-	client := NewClient(listener.Addr().String(), testKey, false)
-	if err := client.Connect(ctx); err != nil {
+	client, err := NewClient(ctx, listener.Addr().String(), testKey, false)
+	if err != nil {
+		t.Fatal(err)
+	}
+	key, err := client.GetServerPublicKey()
+	if err != nil {
 		t.Fatal(err)
 	}
 	sysInfo := system.GetInfo(context.TODO())
-	_, err = client.Login(ctx, sysInfo, nil, nil)
+	_, err = client.Login(*key, sysInfo, nil, nil)
 	if err == nil {
 		t.Error("expecting err on unregistered login, got nil")
 	}
@@ -239,16 +243,24 @@ func TestClient_LoginRegistered(t *testing.T) {
 	s, listener := startManagement(t)
 	defer closeManagementSilently(s, listener)
 
-	client := NewClient(listener.Addr().String(), testKey, false)
-	if err := client.Connect(ctx); err != nil {
+	client, err := NewClient(ctx, listener.Addr().String(), testKey, false)
+	if err != nil {
 		t.Fatal(err)
 	}
 
-	info := system.GetInfo(context.TODO())
-	err = client.Register(ctx, ValidKey, "", info, nil, nil)
+	key, err := client.GetServerPublicKey()
 	if err != nil {
 		t.Error(err)
 	}
+	info := system.GetInfo(context.TODO())
+	resp, err := client.Register(*key, ValidKey, "", info, nil, nil)
+	if err != nil {
+		t.Error(err)
+	}
+
+	if resp == nil {
+		t.Error("expecting non nil response, got nil")
+	}
 }
 
 func TestClient_Sync(t *testing.T) {
@@ -260,13 +272,18 @@ func TestClient_Sync(t *testing.T) {
 	s, listener := startManagement(t)
 	defer closeManagementSilently(s, listener)
 
-	client := NewClient(listener.Addr().String(), testKey, false)
-	if err := client.Connect(ctx); err != nil {
+	client, err := NewClient(ctx, listener.Addr().String(), testKey, false)
+	if err != nil {
 		t.Fatal(err)
 	}
 
+	serverKey, err := client.GetServerPublicKey()
+	if err != nil {
+		t.Error(err)
+	}
+
 	info := system.GetInfo(context.TODO())
-	err = client.Register(ctx, ValidKey, "", info, nil, nil)
+	_, err = client.Register(*serverKey, ValidKey, "", info, nil, nil)
 	if err != nil {
 		t.Error(err)
 	}
@@ -276,14 +293,13 @@ func TestClient_Sync(t *testing.T) {
 	if err != nil {
 		t.Error(err)
 	}
-	remoteClient := NewClient(listener.Addr().String(), remoteKey, false)
-	remoteCtx := context.TODO()
-	if err := remoteClient.Connect(remoteCtx); err != nil {
+	remoteClient, err := NewClient(context.TODO(), listener.Addr().String(), remoteKey, false)
+	if err != nil {
 		t.Fatal(err)
 	}
 
 	info = system.GetInfo(context.TODO())
-	err = remoteClient.Register(remoteCtx, ValidKey, "", info, nil, nil)
+	_, err = remoteClient.Register(*serverKey, ValidKey, "", info, nil, nil)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -338,9 +354,14 @@ func Test_SystemMetaDataFromClient(t *testing.T) {
 	serverAddr := lis.Addr().String()
 	ctx := context.Background()
 
-	testClient := NewClient(serverAddr, testKey, false)
-	if err := testClient.Connect(ctx); err != nil {
-		t.Fatalf("error while connecting testClient: %v", err)
+	testClient, err := NewClient(ctx, serverAddr, testKey, false)
+	if err != nil {
+		t.Fatalf("error while creating testClient: %v", err)
+	}
+
+	key, err := testClient.GetServerPublicKey()
+	if err != nil {
+		t.Fatalf("error while getting server public key from testclient, %v", err)
 	}
 
 	var actualMeta *mgmtProto.PeerSystemMeta
@@ -379,7 +400,7 @@ func Test_SystemMetaDataFromClient(t *testing.T) {
 	}
 
 	info := system.GetInfo(context.TODO())
-	err = testClient.Register(ctx, ValidKey, "", info, nil, nil)
+	_, err = testClient.Register(*key, ValidKey, "", info, nil, nil)
 	if err != nil {
 		t.Errorf("error while trying to register client: %v", err)
 	}
@@ -468,9 +489,9 @@ func Test_GetDeviceAuthorizationFlow(t *testing.T) {
 	serverAddr := lis.Addr().String()
 	ctx := context.Background()
 
-	client := NewClient(serverAddr, testKey, false)
-	if err := client.Connect(ctx); err != nil {
-		t.Fatalf("error while connecting testClient: %v", err)
+	client, err := NewClient(ctx, serverAddr, testKey, false)
+	if err != nil {
+		t.Fatalf("error while creating testClient: %v", err)
 	}
 
 	expectedFlowInfo := &mgmtProto.DeviceAuthorizationFlow{
@@ -491,7 +512,7 @@ func Test_GetDeviceAuthorizationFlow(t *testing.T) {
 		}, nil
 	}
 
-	flowInfo, err := client.GetDeviceAuthorizationFlow(ctx)
+	flowInfo, err := client.GetDeviceAuthorizationFlow(serverKey)
 	if err != nil {
 		t.Error("error while retrieving device auth flow information")
 	}
@@ -512,9 +533,9 @@ func Test_GetPKCEAuthorizationFlow(t *testing.T) {
 	serverAddr := lis.Addr().String()
 	ctx := context.Background()
 
-	client := NewClient(serverAddr, testKey, false)
-	if err := client.Connect(ctx); err != nil {
-		t.Fatalf("error while connecting testClient: %v", err)
+	client, err := NewClient(ctx, serverAddr, testKey, false)
+	if err != nil {
+		t.Fatalf("error while creating testClient: %v", err)
 	}
 
 	expectedFlowInfo := &mgmtProto.PKCEAuthorizationFlow{
@@ -537,7 +558,7 @@ func Test_GetPKCEAuthorizationFlow(t *testing.T) {
 		}, nil
 	}
 
-	flowInfo, err := client.GetPKCEAuthorizationFlow(ctx)
+	flowInfo, err := client.GetPKCEAuthorizationFlow(serverKey)
 	if err != nil {
 		t.Error("error while retrieving pkce auth flow information")
 	}

shared/management/client/grpc.go

@@ -25,24 +25,6 @@ import (
 	"github.com/netbirdio/netbird/util/wsproxy"
 )
 
-// Custom management client errors that abstract away gRPC error codes
-var (
-	// ErrPermissionDenied is returned when the server denies access to a resource
-	ErrPermissionDenied = errors.New("permission denied")
-
-	// ErrInvalidArgument is returned when the request contains invalid arguments
-	ErrInvalidArgument = errors.New("invalid argument")
-
-	// ErrUnauthenticated is returned when authentication is required
-	ErrUnauthenticated = errors.New("unauthenticated")
-
-	// ErrNotFound is returned when the requested resource is not found
-	ErrNotFound = errors.New("not found")
-
-	// ErrUnimplemented is returned when the operation is not implemented
-	ErrUnimplemented = errors.New("not implemented")
-)
-
 const ConnectTimeout = 10 * time.Second
 
 const (
@@ -59,67 +41,40 @@ type ConnStateNotifier interface {
 type GrpcClient struct {
 	key                   wgtypes.Key
 	realClient            proto.ManagementServiceClient
+	ctx                   context.Context
 	conn                  *grpc.ClientConn
 	connStateCallback     ConnStateNotifier
 	connStateCallbackLock sync.RWMutex
-	addr                  string
-	tlsEnabled            bool
-	reconnectMutex        sync.Mutex
 }
 
 // NewClient creates a new client to Management service
-// The client is not connected after creation - call Connect to establish the connection
-func NewClient(addr string, ourPrivateKey wgtypes.Key, tlsEnabled bool) *GrpcClient {
-	return &GrpcClient{
-		key:                   ourPrivateKey,
-		addr:                  addr,
-		tlsEnabled:            tlsEnabled,
-		connStateCallbackLock: sync.RWMutex{},
-		reconnectMutex:        sync.Mutex{},
-	}
-}
-
-// Connect establishes a connection to the Management Service with retry logic
-// Retries connection attempts with exponential backoff on failure
-func (c *GrpcClient) Connect(ctx context.Context) error {
+func NewClient(ctx context.Context, addr string, ourPrivateKey wgtypes.Key, tlsEnabled bool) (*GrpcClient, error) {
 	var conn *grpc.ClientConn
 
 	operation := func() error {
 		var err error
-		conn, err = nbgrpc.CreateConnection(ctx, c.addr, c.tlsEnabled, wsproxy.ManagementComponent)
+		conn, err = nbgrpc.CreateConnection(ctx, addr, tlsEnabled, wsproxy.ManagementComponent)
 		if err != nil {
-			log.Warnf("failed to connect to Management Service: %v", err)
-			return err
+			return fmt.Errorf("create connection: %w", err)
 		}
 		return nil
 	}
 
-	if err := backoff.Retry(operation, defaultBackoff(ctx)); err != nil {
-		log.Errorf("failed creating connection to Management Service after retries: %v", err)
-		return fmt.Errorf("create connection: %w", err)
-	}
-
-	c.conn = conn
-	c.realClient = proto.NewManagementServiceClient(conn)
-
-	log.Infof("connected to the Management Service at %s", c.addr)
-	return nil
-}
-
-// ConnectWithoutRetry establishes a connection to the Management Service without retry logic
-// Performs a single connection attempt - callers should implement their own retry logic if needed
-func (c *GrpcClient) ConnectWithoutRetry(ctx context.Context) error {
-	conn, err := nbgrpc.CreateConnection(ctx, c.addr, c.tlsEnabled, wsproxy.ManagementComponent)
+	err := backoff.Retry(operation, nbgrpc.Backoff(ctx))
 	if err != nil {
-		log.Warnf("failed to connect to Management Service: %v", err)
-		return fmt.Errorf("create connection: %w", err)
+		log.Errorf("failed creating connection to Management Service: %v", err)
+		return nil, err
 	}
 
-	c.conn = conn
-	c.realClient = proto.NewManagementServiceClient(conn)
+	realClient := proto.NewManagementServiceClient(conn)
 
-	log.Debugf("connected to the Management Service at %s", c.addr)
-	return nil
+	return &GrpcClient{
+		key:                   ourPrivateKey,
+		realClient:            realClient,
+		ctx:                   ctx,
+		conn:                  conn,
+		connStateCallbackLock: sync.RWMutex{},
+	}, nil
 }
 
 // Close closes connection to the Management Service
@@ -134,6 +89,19 @@ func (c *GrpcClient) SetConnStateListener(notifier ConnStateNotifier) {
 	c.connStateCallback = notifier
 }
 
+// defaultBackoff is a basic backoff mechanism for general issues
+func defaultBackoff(ctx context.Context) backoff.BackOff {
+	return backoff.WithContext(&backoff.ExponentialBackOff{
+		InitialInterval:     800 * time.Millisecond,
+		RandomizationFactor: 1,
+		Multiplier:          1.7,
+		MaxInterval:         10 * time.Second,
+		MaxElapsedTime:      3 * 30 * 24 * time.Hour, // 3 months
+		Stop:                backoff.Stop,
+		Clock:               backoff.SystemClock,
+	}, ctx)
+}
+
 // ready indicates whether the client is okay and ready to be used
 // for now it just checks whether gRPC connection to the service is ready
 func (c *GrpcClient) ready() bool {
@@ -154,7 +122,7 @@ func (c *GrpcClient) Sync(ctx context.Context, sysInfo *system.Info, msgHandler
 			return fmt.Errorf("connection to management is not ready and in %s state", connState)
 		}
 
-		serverPubKey, err := c.getServerPublicKey(ctx)
+		serverPubKey, err := c.GetServerPublicKey()
 		if err != nil {
 			log.Debugf(errMsgMgmtPublicKey, err)
 			return err
@@ -209,13 +177,15 @@ func (c *GrpcClient) handleStream(ctx context.Context, serverPubKey wgtypes.Key,
 }
 
 // GetNetworkMap return with the network map
-func (c *GrpcClient) GetNetworkMap(ctx context.Context, sysInfo *system.Info) (*proto.NetworkMap, error) {
-	serverPubKey, err := c.getServerPublicKey(ctx)
+func (c *GrpcClient) GetNetworkMap(sysInfo *system.Info) (*proto.NetworkMap, error) {
+	serverPubKey, err := c.GetServerPublicKey()
 	if err != nil {
 		log.Debugf("failed getting Management Service public key: %s", err)
 		return nil, err
 	}
 
+	ctx, cancelStream := context.WithCancel(c.ctx)
+	defer cancelStream()
 	stream, err := c.connectToStream(ctx, *serverPubKey, sysInfo)
 	if err != nil {
 		log.Debugf("failed to open Management Service stream: %s", err)
@@ -294,32 +264,30 @@ func (c *GrpcClient) receiveEvents(stream proto.ManagementService_SyncClient, se
 	}
 }
 
-// getServerPublicKey returns server's WireGuard public key (used later for encrypting messages sent to the server)
-// This is a simple operation without retry logic - callers should handle retries at the operation level
-func (c *GrpcClient) getServerPublicKey(ctx context.Context) (*wgtypes.Key, error) {
+// GetServerPublicKey returns server's WireGuard public key (used later for encrypting messages sent to the server)
+func (c *GrpcClient) GetServerPublicKey() (*wgtypes.Key, error) {
 	if !c.ready() {
 		return nil, errors.New(errMsgNoMgmtConnection)
 	}
 
-	mgmCtx, cancel := context.WithTimeout(ctx, 5*time.Second)
+	mgmCtx, cancel := context.WithTimeout(c.ctx, 5*time.Second)
 	defer cancel()
-
 	resp, err := c.realClient.GetServerKey(mgmCtx, &proto.Empty{})
 	if err != nil {
 		log.Errorf("failed while getting Management Service public key: %v", err)
 		return nil, fmt.Errorf("failed while getting Management Service public key")
 	}
 
-	key, err := wgtypes.ParseKey(resp.Key)
+	serverKey, err := wgtypes.ParseKey(resp.Key)
 	if err != nil {
 		return nil, err
 	}
 
-	return &key, nil
+	return &serverKey, nil
 }
 
 // IsHealthy probes the gRPC connection and returns false on errors
-func (c *GrpcClient) IsHealthy(ctx context.Context) bool {
+func (c *GrpcClient) IsHealthy() bool {
 	switch c.conn.GetState() {
 	case connectivity.TransientFailure:
 		return false
@@ -331,10 +299,10 @@ func (c *GrpcClient) IsHealthy(ctx context.Context) bool {
 	case connectivity.Ready:
 	}
 
-	healthCtx, cancel := context.WithTimeout(ctx, 1*time.Second)
+	ctx, cancel := context.WithTimeout(c.ctx, 1*time.Second)
 	defer cancel()
 
-	_, err := c.realClient.GetServerKey(healthCtx, &proto.Empty{})
+	_, err := c.realClient.GetServerKey(ctx, &proto.Empty{})
 	if err != nil {
 		c.notifyDisconnected(err)
 		log.Warnf("health check returned: %s", err)
@@ -344,26 +312,12 @@ func (c *GrpcClient) IsHealthy(ctx context.Context) bool {
 	return true
 }
 
-// HealthCheck verifies connectivity to the management server
-// Returns an error if the server is not reachable
-// Internally uses getServerPublicKey to verify the connection
-func (c *GrpcClient) HealthCheck(ctx context.Context) error {
-	_, err := c.getServerPublicKey(ctx)
-	return err
-}
-
-func (c *GrpcClient) login(ctx context.Context, req *proto.LoginRequest) (*proto.LoginResponse, error) {
+func (c *GrpcClient) login(serverKey wgtypes.Key, req *proto.LoginRequest) (*proto.LoginResponse, error) {
 	if !c.ready() {
 		return nil, errors.New(errMsgNoMgmtConnection)
 	}
 
-	serverKey, err := c.getServerPublicKey(ctx)
-	if err != nil {
-		log.Debugf(errMsgMgmtPublicKey, err)
-		return nil, err
-	}
-
-	loginReq, err := encryption.EncryptMessage(*serverKey, c.key, req)
+	loginReq, err := encryption.EncryptMessage(serverKey, c.key, req)
 	if err != nil {
 		log.Errorf("failed to encrypt message: %s", err)
 		return nil, err
@@ -371,7 +325,7 @@ func (c *GrpcClient) login(ctx context.Context, req *proto.LoginRequest) (*proto
 
 	var resp *proto.EncryptedMessage
 	operation := func() error {
-		mgmCtx, cancel := context.WithTimeout(ctx, ConnectTimeout)
+		mgmCtx, cancel := context.WithTimeout(context.Background(), ConnectTimeout)
 		defer cancel()
 
 		var err error
@@ -390,14 +344,14 @@ func (c *GrpcClient) login(ctx context.Context, req *proto.LoginRequest) (*proto
 		return nil
 	}
 
-	err = backoff.Retry(operation, nbgrpc.Backoff(ctx))
+	err = backoff.Retry(operation, nbgrpc.Backoff(c.ctx))
 	if err != nil {
 		log.Errorf("failed to login to Management Service: %v", err)
 		return nil, err
 	}
 
 	loginResp := &proto.LoginResponse{}
-	err = encryption.DecryptMessage(*serverKey, c.key, resp.Body, loginResp)
+	err = encryption.DecryptMessage(serverKey, c.key, resp.Body, loginResp)
 	if err != nil {
 		log.Errorf("failed to decrypt login response: %s", err)
 		return nil, err
@@ -409,135 +363,99 @@ func (c *GrpcClient) login(ctx context.Context, req *proto.LoginRequest) (*proto
 // Register registers peer on Management Server. It actually calls a Login endpoint with a provided setup key
 // Takes care of encrypting and decrypting messages.
 // This method will also collect system info and send it with the request (e.g. hostname, os, etc)
-// Returns custom errors: ErrPermissionDenied, ErrInvalidArgument, ErrUnauthenticated
-func (c *GrpcClient) Register(ctx context.Context, setupKey string, jwtToken string, sysInfo *system.Info, pubSSHKey []byte, dnsLabels domain.List) error {
+func (c *GrpcClient) Register(serverKey wgtypes.Key, setupKey string, jwtToken string, sysInfo *system.Info, pubSSHKey []byte, dnsLabels domain.List) (*proto.LoginResponse, error) {
 	keys := &proto.PeerKeys{
 		SshPubKey: pubSSHKey,
 		WgPubKey:  []byte(c.key.PublicKey().String()),
 	}
-	_, err := c.login(ctx, &proto.LoginRequest{SetupKey: setupKey, Meta: infoToMetaData(sysInfo), JwtToken: jwtToken, PeerKeys: keys, DnsLabels: dnsLabels.ToPunycodeList()})
-	return wrapGRPCError(err)
+	return c.login(serverKey, &proto.LoginRequest{SetupKey: setupKey, Meta: infoToMetaData(sysInfo), JwtToken: jwtToken, PeerKeys: keys, DnsLabels: dnsLabels.ToPunycodeList()})
 }
 
 // Login attempts login to Management Server. Takes care of encrypting and decrypting messages.
-// Returns custom errors: ErrPermissionDenied, ErrInvalidArgument, ErrUnauthenticated
-func (c *GrpcClient) Login(ctx context.Context, sysInfo *system.Info, pubSSHKey []byte, dnsLabels domain.List) (*proto.LoginResponse, error) {
+func (c *GrpcClient) Login(serverKey wgtypes.Key, sysInfo *system.Info, pubSSHKey []byte, dnsLabels domain.List) (*proto.LoginResponse, error) {
 	keys := &proto.PeerKeys{
 		SshPubKey: pubSSHKey,
 		WgPubKey:  []byte(c.key.PublicKey().String()),
 	}
-	resp, err := c.login(ctx, &proto.LoginRequest{Meta: infoToMetaData(sysInfo), PeerKeys: keys, DnsLabels: dnsLabels.ToPunycodeList()})
-	return resp, wrapGRPCError(err)
+	return c.login(serverKey, &proto.LoginRequest{Meta: infoToMetaData(sysInfo), PeerKeys: keys, DnsLabels: dnsLabels.ToPunycodeList()})
 }
 
 // GetDeviceAuthorizationFlow returns a device authorization flow information.
 // It also takes care of encrypting and decrypting messages.
-// It automatically retries with backoff and reconnection on connection errors.
-// Returns custom errors: ErrNotFound, ErrUnimplemented
-func (c *GrpcClient) GetDeviceAuthorizationFlow(ctx context.Context) (*proto.DeviceAuthorizationFlow, error) {
-	var flowInfoResp *proto.DeviceAuthorizationFlow
+func (c *GrpcClient) GetDeviceAuthorizationFlow(serverKey wgtypes.Key) (*proto.DeviceAuthorizationFlow, error) {
+	if !c.ready() {
+		return nil, fmt.Errorf("no connection to management in order to get device authorization flow")
+	}
+	mgmCtx, cancel := context.WithTimeout(c.ctx, time.Second*2)
+	defer cancel()
 
-	err := c.withRetry(ctx, func() error {
-		if !c.ready() {
-			return fmt.Errorf("no connection to management in order to get device authorization flow")
-		}
+	message := &proto.DeviceAuthorizationFlowRequest{}
+	encryptedMSG, err := encryption.EncryptMessage(serverKey, c.key, message)
+	if err != nil {
+		return nil, err
+	}
 
-		serverKey, err := c.getServerPublicKey(ctx)
-		if err != nil {
-			log.Debugf(errMsgMgmtPublicKey, err)
-			return err
-		}
+	resp, err := c.realClient.GetDeviceAuthorizationFlow(mgmCtx, &proto.EncryptedMessage{
+		WgPubKey: c.key.PublicKey().String(),
+		Body:     encryptedMSG},
+	)
+	if err != nil {
+		return nil, err
+	}
 
-		mgmCtx, cancel := context.WithTimeout(ctx, time.Second*2)
-		defer cancel()
+	flowInfoResp := &proto.DeviceAuthorizationFlow{}
+	err = encryption.DecryptMessage(serverKey, c.key, resp.Body, flowInfoResp)
+	if err != nil {
+		errWithMSG := fmt.Errorf("failed to decrypt device authorization flow message: %s", err)
+		log.Error(errWithMSG)
+		return nil, errWithMSG
+	}
 
-		message := &proto.DeviceAuthorizationFlowRequest{}
-		encryptedMSG, err := encryption.EncryptMessage(*serverKey, c.key, message)
-		if err != nil {
-			return err
-		}
-
-		resp, err := c.realClient.GetDeviceAuthorizationFlow(mgmCtx, &proto.EncryptedMessage{
-			WgPubKey: c.key.PublicKey().String(),
-			Body:     encryptedMSG},
-		)
-		if err != nil {
-			return err
-		}
-
-		flowInfo := &proto.DeviceAuthorizationFlow{}
-		err = encryption.DecryptMessage(*serverKey, c.key, resp.Body, flowInfo)
-		if err != nil {
-			errWithMSG := fmt.Errorf("failed to decrypt device authorization flow message: %s", err)
-			log.Error(errWithMSG)
-			return errWithMSG
-		}
-
-		flowInfoResp = flowInfo
-		return nil
-	})
-
-	return flowInfoResp, wrapGRPCError(err)
+	return flowInfoResp, nil
 }
 
 // GetPKCEAuthorizationFlow returns a pkce authorization flow information.
 // It also takes care of encrypting and decrypting messages.
-// It automatically retries with backoff and reconnection on connection errors.
-// Returns custom errors: ErrNotFound, ErrUnimplemented
-func (c *GrpcClient) GetPKCEAuthorizationFlow(ctx context.Context) (*proto.PKCEAuthorizationFlow, error) {
-	var flowInfoResp *proto.PKCEAuthorizationFlow
+func (c *GrpcClient) GetPKCEAuthorizationFlow(serverKey wgtypes.Key) (*proto.PKCEAuthorizationFlow, error) {
+	if !c.ready() {
+		return nil, fmt.Errorf("no connection to management in order to get pkce authorization flow")
+	}
+	mgmCtx, cancel := context.WithTimeout(c.ctx, time.Second*2)
+	defer cancel()
 
-	err := c.withRetry(ctx, func() error {
-		if !c.ready() {
-			return fmt.Errorf("no connection to management in order to get pkce authorization flow")
-		}
+	message := &proto.PKCEAuthorizationFlowRequest{}
+	encryptedMSG, err := encryption.EncryptMessage(serverKey, c.key, message)
+	if err != nil {
+		return nil, err
+	}
 
-		serverKey, err := c.getServerPublicKey(ctx)
-		if err != nil {
-			log.Debugf(errMsgMgmtPublicKey, err)
-			return err
-		}
-
-		mgmCtx, cancel := context.WithTimeout(ctx, time.Second*2)
-		defer cancel()
-
-		message := &proto.PKCEAuthorizationFlowRequest{}
-		encryptedMSG, err := encryption.EncryptMessage(*serverKey, c.key, message)
-		if err != nil {
-			return err
-		}
-
-		resp, err := c.realClient.GetPKCEAuthorizationFlow(mgmCtx, &proto.EncryptedMessage{
-			WgPubKey: c.key.PublicKey().String(),
-			Body:     encryptedMSG,
-		})
-		if err != nil {
-			return err
-		}
-
-		flowInfo := &proto.PKCEAuthorizationFlow{}
-		err = encryption.DecryptMessage(*serverKey, c.key, resp.Body, flowInfo)
-		if err != nil {
-			errWithMSG := fmt.Errorf("failed to decrypt pkce authorization flow message: %s", err)
-			log.Error(errWithMSG)
-			return errWithMSG
-		}
-
-		flowInfoResp = flowInfo
-		return nil
+	resp, err := c.realClient.GetPKCEAuthorizationFlow(mgmCtx, &proto.EncryptedMessage{
+		WgPubKey: c.key.PublicKey().String(),
+		Body:     encryptedMSG,
 	})
+	if err != nil {
+		return nil, err
+	}
 
-	return flowInfoResp, wrapGRPCError(err)
+	flowInfoResp := &proto.PKCEAuthorizationFlow{}
+	err = encryption.DecryptMessage(serverKey, c.key, resp.Body, flowInfoResp)
+	if err != nil {
+		errWithMSG := fmt.Errorf("failed to decrypt pkce authorization flow message: %s", err)
+		log.Error(errWithMSG)
+		return nil, errWithMSG
+	}
+
+	return flowInfoResp, nil
 }
 
 // SyncMeta sends updated system metadata to the Management Service.
 // It should be used if there is changes on peer posture check after initial sync.
-func (c *GrpcClient) SyncMeta(ctx context.Context, sysInfo *system.Info) error {
+func (c *GrpcClient) SyncMeta(sysInfo *system.Info) error {
 	if !c.ready() {
 		return errors.New(errMsgNoMgmtConnection)
 	}
 
-	serverPubKey, err := c.getServerPublicKey(ctx)
+	serverPubKey, err := c.GetServerPublicKey()
 	if err != nil {
 		log.Debugf(errMsgMgmtPublicKey, err)
 		return err
@@ -549,7 +467,7 @@ func (c *GrpcClient) SyncMeta(ctx context.Context, sysInfo *system.Info) error {
 		return err
 	}
 
-	mgmCtx, cancel := context.WithTimeout(ctx, ConnectTimeout)
+	mgmCtx, cancel := context.WithTimeout(c.ctx, ConnectTimeout)
 	defer cancel()
 
 	_, err = c.realClient.SyncMeta(mgmCtx, &proto.EncryptedMessage{
@@ -579,13 +497,13 @@ func (c *GrpcClient) notifyConnected() {
 	c.connStateCallback.MarkManagementConnected()
 }
 
-func (c *GrpcClient) Logout(ctx context.Context) error {
-	serverKey, err := c.getServerPublicKey(ctx)
+func (c *GrpcClient) Logout() error {
+	serverKey, err := c.GetServerPublicKey()
 	if err != nil {
 		return fmt.Errorf("get server public key: %w", err)
 	}
 
-	mgmCtx, cancel := context.WithTimeout(ctx, time.Second*15)
+	mgmCtx, cancel := context.WithTimeout(c.ctx, time.Second*15)
 	defer cancel()
 
 	message := &proto.Empty{}
@@ -605,156 +523,6 @@ func (c *GrpcClient) Logout(ctx context.Context) error {
 	return nil
 }
 
-// reconnect closes the current connection and creates a new one
-func (c *GrpcClient) reconnect(ctx context.Context) error {
-	c.reconnectMutex.Lock()
-	defer c.reconnectMutex.Unlock()
-
-	// Close existing connection
-	if c.conn != nil {
-		if err := c.conn.Close(); err != nil {
-			log.Debugf("error closing old connection: %v", err)
-		}
-	}
-
-	// Create new connection
-	log.Debugf("reconnecting to Management Service %s", c.addr)
-	conn, err := nbgrpc.CreateConnection(ctx, c.addr, c.tlsEnabled, wsproxy.ManagementComponent)
-	if err != nil {
-		log.Errorf("failed reconnecting to Management Service %s: %v", c.addr, err)
-		return fmt.Errorf("reconnect: create connection: %w", err)
-	}
-
-	c.conn = conn
-	c.realClient = proto.NewManagementServiceClient(conn)
-	log.Debugf("successfully reconnected to Management service %s", c.addr)
-	return nil
-}
-
-// withRetry wraps an operation with exponential backoff retry logic
-// It automatically reconnects on connection errors
-func (c *GrpcClient) withRetry(ctx context.Context, operation func() error) error {
-	backoffSettings := &backoff.ExponentialBackOff{
-		InitialInterval:     500 * time.Millisecond,
-		RandomizationFactor: 0.5,
-		Multiplier:          1.5,
-		MaxInterval:         10 * time.Second,
-		MaxElapsedTime:      2 * time.Minute,
-		Stop:                backoff.Stop,
-		Clock:               backoff.SystemClock,
-	}
-	backoffSettings.Reset()
-
-	return backoff.RetryNotify(
-		func() error {
-			err := operation()
-			if err == nil {
-				return nil
-			}
-
-			// If it's a connection error, attempt reconnection
-			if isConnectionError(err) {
-				log.Warnf("connection error detected, attempting reconnection: %v", err)
-				if reconnectErr := c.reconnect(ctx); reconnectErr != nil {
-					log.Errorf("reconnection failed: %v", reconnectErr)
-					return reconnectErr
-				}
-				// Return the original error to trigger retry with the new connection
-				return err
-			}
-
-			// For authentication errors (InvalidArgument, PermissionDenied), don't retry
-			if isAuthenticationError(err) {
-				return backoff.Permanent(err)
-			}
-
-			return err
-		},
-		backoff.WithContext(backoffSettings, ctx),
-		func(err error, duration time.Duration) {
-			log.Warnf("operation failed, retrying in %v: %v", duration, err)
-		},
-	)
-}
-
-// defaultBackoff is a basic backoff mechanism for general issues
-func defaultBackoff(ctx context.Context) backoff.BackOff {
-	return backoff.WithContext(&backoff.ExponentialBackOff{
-		InitialInterval:     800 * time.Millisecond,
-		RandomizationFactor: 1,
-		Multiplier:          1.7,
-		MaxInterval:         10 * time.Second,
-		MaxElapsedTime:      3 * 30 * 24 * time.Hour, // 3 months
-		Stop:                backoff.Stop,
-		Clock:               backoff.SystemClock,
-	}, ctx)
-}
-
-// isConnectionError checks if the error is a connection-related error that should trigger reconnection
-func isConnectionError(err error) bool {
-	if err == nil {
-		return false
-	}
-	s, ok := gstatus.FromError(err)
-	if !ok {
-		return false
-	}
-	// These error codes indicate connection issues
-	return s.Code() == codes.Unavailable ||
-		s.Code() == codes.DeadlineExceeded ||
-		s.Code() == codes.Canceled ||
-		s.Code() == codes.Internal
-}
-
-// isAuthenticationError checks if the error is an authentication-related error that should not be retried
-func isAuthenticationError(err error) bool {
-	if err == nil {
-		return false
-	}
-	s, ok := gstatus.FromError(err)
-	if !ok {
-		return false
-	}
-	return s.Code() == codes.InvalidArgument || s.Code() == codes.PermissionDenied
-}
-
-// wrapGRPCError converts gRPC errors to custom management client errors
-func wrapGRPCError(err error) error {
-	if err == nil {
-		return nil
-	}
-
-	// Check if it's already a custom error
-	if errors.Is(err, ErrPermissionDenied) ||
-		errors.Is(err, ErrInvalidArgument) ||
-		errors.Is(err, ErrUnauthenticated) ||
-		errors.Is(err, ErrNotFound) ||
-		errors.Is(err, ErrUnimplemented) {
-		return err
-	}
-
-	// Convert gRPC status errors to custom errors
-	s, ok := gstatus.FromError(err)
-	if !ok {
-		return err
-	}
-
-	switch s.Code() {
-	case codes.PermissionDenied:
-		return fmt.Errorf("%w: %s", ErrPermissionDenied, s.Message())
-	case codes.InvalidArgument:
-		return fmt.Errorf("%w: %s", ErrInvalidArgument, s.Message())
-	case codes.Unauthenticated:
-		return fmt.Errorf("%w: %s", ErrUnauthenticated, s.Message())
-	case codes.NotFound:
-		return fmt.Errorf("%w: %s", ErrNotFound, s.Message())
-	case codes.Unimplemented:
-		return fmt.Errorf("%w: %s", ErrUnimplemented, s.Message())
-	default:
-		return err
-	}
-}
-
 func infoToMetaData(info *system.Info) *proto.PeerSystemMeta {
 	if info == nil {
 		return nil

shared/management/client/mock.go

@@ -3,6 +3,8 @@ package client
 import (
 	"context"
 
+	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
+
 	"github.com/netbirdio/netbird/client/system"
 	"github.com/netbirdio/netbird/shared/management/domain"
 	"github.com/netbirdio/netbird/shared/management/proto"
@@ -11,21 +13,17 @@ import (
 type MockClient struct {
 	CloseFunc                      func() error
 	SyncFunc                       func(ctx context.Context, sysInfo *system.Info, msgHandler func(msg *proto.SyncResponse) error) error
-	RegisterFunc                   func(ctx context.Context, setupKey string, jwtToken string, info *system.Info, sshKey []byte, dnsLabels domain.List) error
-	LoginFunc                      func(ctx context.Context, info *system.Info, sshKey []byte, dnsLabels domain.List) (*proto.LoginResponse, error)
-	GetDeviceAuthorizationFlowFunc func(ctx context.Context) (*proto.DeviceAuthorizationFlow, error)
-	GetPKCEAuthorizationFlowFunc   func(ctx context.Context) (*proto.PKCEAuthorizationFlow, error)
-	SyncMetaFunc                   func(ctx context.Context, sysInfo *system.Info) error
-	HealthCheckFunc                func(ctx context.Context) error
-	LogoutFunc                     func(ctx context.Context) error
-	IsHealthyFunc                  func(ctx context.Context) bool
+	GetServerPublicKeyFunc         func() (*wgtypes.Key, error)
+	RegisterFunc                   func(serverKey wgtypes.Key, setupKey string, jwtToken string, info *system.Info, sshKey []byte, dnsLabels domain.List) (*proto.LoginResponse, error)
+	LoginFunc                      func(serverKey wgtypes.Key, info *system.Info, sshKey []byte, dnsLabels domain.List) (*proto.LoginResponse, error)
+	GetDeviceAuthorizationFlowFunc func(serverKey wgtypes.Key) (*proto.DeviceAuthorizationFlow, error)
+	GetPKCEAuthorizationFlowFunc   func(serverKey wgtypes.Key) (*proto.PKCEAuthorizationFlow, error)
+	SyncMetaFunc                   func(sysInfo *system.Info) error
+	LogoutFunc                     func() error
 }
 
-func (m *MockClient) IsHealthy(ctx context.Context) bool {
-	if m.IsHealthyFunc == nil {
-		return true
-	}
-	return m.IsHealthyFunc(ctx)
+func (m *MockClient) IsHealthy() bool {
+	return true
 }
 
 func (m *MockClient) Close() error {
@@ -42,56 +40,56 @@ func (m *MockClient) Sync(ctx context.Context, sysInfo *system.Info, msgHandler
 	return m.SyncFunc(ctx, sysInfo, msgHandler)
 }
 
-func (m *MockClient) Register(ctx context.Context, setupKey string, jwtToken string, info *system.Info, sshKey []byte, dnsLabels domain.List) error {
-	if m.RegisterFunc == nil {
-		return nil
+func (m *MockClient) GetServerPublicKey() (*wgtypes.Key, error) {
+	if m.GetServerPublicKeyFunc == nil {
+		return nil, nil
 	}
-	return m.RegisterFunc(ctx, setupKey, jwtToken, info, sshKey, dnsLabels)
+	return m.GetServerPublicKeyFunc()
 }
 
-func (m *MockClient) Login(ctx context.Context, info *system.Info, sshKey []byte, dnsLabels domain.List) (*proto.LoginResponse, error) {
+func (m *MockClient) Register(serverKey wgtypes.Key, setupKey string, jwtToken string, info *system.Info, sshKey []byte, dnsLabels domain.List) (*proto.LoginResponse, error) {
+	if m.RegisterFunc == nil {
+		return nil, nil
+	}
+	return m.RegisterFunc(serverKey, setupKey, jwtToken, info, sshKey, dnsLabels)
+}
+
+func (m *MockClient) Login(serverKey wgtypes.Key, info *system.Info, sshKey []byte, dnsLabels domain.List) (*proto.LoginResponse, error) {
 	if m.LoginFunc == nil {
 		return nil, nil
 	}
-	return m.LoginFunc(ctx, info, sshKey, dnsLabels)
+	return m.LoginFunc(serverKey, info, sshKey, dnsLabels)
 }
 
-func (m *MockClient) GetDeviceAuthorizationFlow(ctx context.Context) (*proto.DeviceAuthorizationFlow, error) {
+func (m *MockClient) GetDeviceAuthorizationFlow(serverKey wgtypes.Key) (*proto.DeviceAuthorizationFlow, error) {
 	if m.GetDeviceAuthorizationFlowFunc == nil {
 		return nil, nil
 	}
-	return m.GetDeviceAuthorizationFlowFunc(ctx)
+	return m.GetDeviceAuthorizationFlowFunc(serverKey)
 }
 
-func (m *MockClient) GetPKCEAuthorizationFlow(ctx context.Context) (*proto.PKCEAuthorizationFlow, error) {
+func (m *MockClient) GetPKCEAuthorizationFlow(serverKey wgtypes.Key) (*proto.PKCEAuthorizationFlow, error) {
 	if m.GetPKCEAuthorizationFlowFunc == nil {
 		return nil, nil
 	}
-	return m.GetPKCEAuthorizationFlowFunc(ctx)
+	return m.GetPKCEAuthorizationFlow(serverKey)
 }
 
 // GetNetworkMap mock implementation of GetNetworkMap from mgm.Client interface
-func (m *MockClient) GetNetworkMap(ctx context.Context, _ *system.Info) (*proto.NetworkMap, error) {
+func (m *MockClient) GetNetworkMap(_ *system.Info) (*proto.NetworkMap, error) {
 	return nil, nil
 }
 
-func (m *MockClient) SyncMeta(ctx context.Context, sysInfo *system.Info) error {
+func (m *MockClient) SyncMeta(sysInfo *system.Info) error {
 	if m.SyncMetaFunc == nil {
 		return nil
 	}
-	return m.SyncMetaFunc(ctx, sysInfo)
+	return m.SyncMetaFunc(sysInfo)
 }
 
-func (m *MockClient) HealthCheck(ctx context.Context) error {
-	if m.HealthCheckFunc == nil {
-		return nil
-	}
-	return m.HealthCheckFunc(ctx)
-}
-
-func (m *MockClient) Logout(ctx context.Context) error {
+func (m *MockClient) Logout() error {
 	if m.LogoutFunc == nil {
 		return nil
 	}
-	return m.LogoutFunc(ctx)
+	return m.LogoutFunc()
 }

shared/management/proto/management.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.26.0
-// 	protoc        v6.32.1
+// 	protoc        v6.33.0
 // source: management.proto
 
 package proto
@@ -2682,10 +2682,8 @@ type CustomZone struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Domain               string          `protobuf:"bytes,1,opt,name=Domain,proto3" json:"Domain,omitempty"`
-	Records              []*SimpleRecord `protobuf:"bytes,2,rep,name=Records,proto3" json:"Records,omitempty"`
-	SearchDomainDisabled bool            `protobuf:"varint,3,opt,name=SearchDomainDisabled,proto3" json:"SearchDomainDisabled,omitempty"`
-	SkipPTRProcess       bool            `protobuf:"varint,4,opt,name=SkipPTRProcess,proto3" json:"SkipPTRProcess,omitempty"`
+	Domain  string          `protobuf:"bytes,1,opt,name=Domain,proto3" json:"Domain,omitempty"`
+	Records []*SimpleRecord `protobuf:"bytes,2,rep,name=Records,proto3" json:"Records,omitempty"`
 }
 
 func (x *CustomZone) Reset() {
@@ -2734,20 +2732,6 @@ func (x *CustomZone) GetRecords() []*SimpleRecord {
 	return nil
 }
 
-func (x *CustomZone) GetSearchDomainDisabled() bool {
-	if x != nil {
-		return x.SearchDomainDisabled
-	}
-	return false
-}
-
-func (x *CustomZone) GetSkipPTRProcess() bool {
-	if x != nil {
-		return x.SkipPTRProcess
-	}
-	return false
-}
-
 // SimpleRecord represents a dns.SimpleRecord
 type SimpleRecord struct {
 	state         protoimpl.MessageState
@@ -3909,163 +3893,157 @@ var file_management_proto_rawDesc = []byte{
 	0x73, 0x74, 0x6f, 0x6d, 0x5a, 0x6f, 0x6e, 0x65, 0x73, 0x12, 0x28, 0x0a, 0x0d, 0x46, 0x6f, 0x72,
 	0x77, 0x61, 0x72, 0x64, 0x65, 0x72, 0x50, 0x6f, 0x72, 0x74, 0x18, 0x04, 0x20, 0x01, 0x28, 0x03,
 	0x42, 0x02, 0x18, 0x01, 0x52, 0x0d, 0x46, 0x6f, 0x72, 0x77, 0x61, 0x72, 0x64, 0x65, 0x72, 0x50,
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 }
 
 var (

shared/management/proto/management.proto

@@ -433,8 +433,6 @@ message DNSConfig {
 message CustomZone {
   string Domain = 1;
   repeated SimpleRecord Records = 2;
-  bool SearchDomainDisabled = 3;
-  bool SkipPTRProcess = 4;
 }
 
 // SimpleRecord represents a dns.SimpleRecord