Merge branch 'feature/relay-integration' into test/signal-dispatcher-with-relay

Pass the atomic store by address

.github/ISSUE_TEMPLATE/bug-issue-report.md

@@ -31,9 +31,14 @@ Please specify whether you use NetBird Cloud or self-host NetBird's control plan
 
 `netbird version`
 
-**NetBird status -d output:**
+**NetBird status -dA output:**
 
-If applicable, add the `netbird status -d' command output.
+If applicable, add the `netbird status -dA' command output.
+
+**Do you face any client issues on desktop?**
+
+Please provide the file created by `netbird debug for 1m -AS`.
+We advise reviewing the anonymized files for any remaining PII.
 
 **Screenshots**
 

README.md

@@ -17,7 +17,7 @@
        <img src="https://img.shields.io/badge/license-BSD--3-blue" />
      </a> 
     <br>
-    <a href="https://join.slack.com/t/netbirdio/shared_invite/zt-vrahf41g-ik1v7fV8du6t0RwxSrJ96A">
+    <a href="https://join.slack.com/t/netbirdio/shared_invite/zt-2p5zwhm4g-8fHollzrQa5y4PZF5AEpvQ">
         <img src="https://img.shields.io/badge/slack-@netbird-red.svg?logo=slack"/>
      </a>    
   </p>

client/android/login.go

@@ -84,7 +84,7 @@ func (a *Auth) SaveConfigIfSSOSupported(listener SSOListener) {
 func (a *Auth) saveConfigIfSSOSupported() (bool, error) {
 	supportsSSO := true
 	err := a.withBackOff(a.ctx, func() (err error) {
-		_, err = internal.GetPKCEAuthorizationFlowInfo(a.ctx, a.config.PrivateKey, a.config.ManagementURL)
+		_, 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)

client/cmd/login.go

@@ -39,6 +39,11 @@ var loginCmd = &cobra.Command{
 			ctx = context.WithValue(ctx, system.DeviceNameCtxKey, hostName)
 		}
 
+		providedSetupKey, err := getSetupKey()
+		if err != nil {
+			return err
+		}
+
 		// workaround to run without service
 		if logFile == "console" {
 			err = handleRebrand(cmd)
@@ -62,7 +67,7 @@ var loginCmd = &cobra.Command{
 
 			config, _ = internal.UpdateOldManagementURL(ctx, config, configPath)
 
-			err = foregroundLogin(ctx, cmd, config, setupKey)
+			err = foregroundLogin(ctx, cmd, config, providedSetupKey)
 			if err != nil {
 				return fmt.Errorf("foreground login failed: %v", err)
 			}
@@ -81,7 +86,7 @@ var loginCmd = &cobra.Command{
 		client := proto.NewDaemonServiceClient(conn)
 
 		loginRequest := proto.LoginRequest{
-			SetupKey:             setupKey,
+			SetupKey:             providedSetupKey,
 			ManagementUrl:        managementURL,
 			IsLinuxDesktopClient: isLinuxRunningDesktop(),
 			Hostname:             hostName,

client/cmd/root.go

@@ -56,6 +56,7 @@ var (
 	managementURL           string
 	adminURL                string
 	setupKey                string
+	setupKeyPath            string
 	hostName                string
 	preSharedKey            string
 	natExternalIPs          []string
@@ -128,6 +129,8 @@ func init() {
 	rootCmd.PersistentFlags().StringVarP(&logLevel, "log-level", "l", "info", "sets Netbird log level")
 	rootCmd.PersistentFlags().StringVar(&logFile, "log-file", defaultLogFile, "sets Netbird log path. If console is specified the log will be output to stdout. If syslog is specified the log will be sent to syslog daemon.")
 	rootCmd.PersistentFlags().StringVarP(&setupKey, "setup-key", "k", "", "Setup key obtained from the Management Service Dashboard (used to register peer)")
+	rootCmd.PersistentFlags().StringVar(&setupKeyPath, "setup-key-file", "", "The path to a setup key obtained from the Management Service Dashboard (used to register peer) This is ignored if the setup-key flag is provided.")
+	rootCmd.MarkFlagsMutuallyExclusive("setup-key", "setup-key-file")
 	rootCmd.PersistentFlags().StringVar(&preSharedKey, preSharedKeyFlag, "", "Sets Wireguard PreSharedKey property. If set, then only peers that have the same key can communicate.")
 	rootCmd.PersistentFlags().StringVarP(&hostName, "hostname", "n", "", "Sets a custom hostname for the device")
 	rootCmd.PersistentFlags().BoolVarP(&anonymizeFlag, "anonymize", "A", false, "anonymize IP addresses and non-netbird.io domains in logs and status output")
@@ -253,6 +256,21 @@ var CLIBackOffSettings = &backoff.ExponentialBackOff{
 	Clock:               backoff.SystemClock,
 }
 
+func getSetupKey() (string, error) {
+	if setupKeyPath != "" && setupKey == "" {
+		return getSetupKeyFromFile(setupKeyPath)
+	}
+	return setupKey, nil
+}
+
+func getSetupKeyFromFile(setupKeyPath string) (string, error) {
+	data, err := os.ReadFile(setupKeyPath)
+	if err != nil {
+		return "", fmt.Errorf("failed to read setup key file: %v", err)
+	}
+	return strings.TrimSpace(string(data)), nil
+}
+
 func handleRebrand(cmd *cobra.Command) error {
 	var err error
 	if logFile == defaultLogFile {

client/cmd/status.go

@@ -31,9 +31,9 @@ type peerStateDetailOutput struct {
 	Status                 string           `json:"status" yaml:"status"`
 	LastStatusUpdate       time.Time        `json:"lastStatusUpdate" yaml:"lastStatusUpdate"`
 	ConnType               string           `json:"connectionType" yaml:"connectionType"`
-	Direct                 bool             `json:"direct" yaml:"direct"`
 	IceCandidateType       iceCandidateType `json:"iceCandidateType" yaml:"iceCandidateType"`
 	IceCandidateEndpoint   iceCandidateType `json:"iceCandidateEndpoint" yaml:"iceCandidateEndpoint"`
+	RelayAddress           string           `json:"relayAddress" yaml:"relayAddress"`
 	LastWireguardHandshake time.Time        `json:"lastWireguardHandshake" yaml:"lastWireguardHandshake"`
 	TransferReceived       int64            `json:"transferReceived" yaml:"transferReceived"`
 	TransferSent           int64            `json:"transferSent" yaml:"transferSent"`
@@ -335,16 +335,18 @@ func mapNSGroups(servers []*proto.NSGroupState) []nsServerGroupStateOutput {
 
 func mapPeers(peers []*proto.PeerState) peersStateOutput {
 	var peersStateDetail []peerStateDetailOutput
-	localICE := ""
-	remoteICE := ""
-	localICEEndpoint := ""
-	remoteICEEndpoint := ""
-	connType := ""
 	peersConnected := 0
-	lastHandshake := time.Time{}
-	transferReceived := int64(0)
-	transferSent := int64(0)
 	for _, pbPeerState := range peers {
+		localICE := ""
+		remoteICE := ""
+		localICEEndpoint := ""
+		remoteICEEndpoint := ""
+		relayServerAddress := ""
+		connType := ""
+		lastHandshake := time.Time{}
+		transferReceived := int64(0)
+		transferSent := int64(0)
+
 		isPeerConnected := pbPeerState.ConnStatus == peer.StatusConnected.String()
 		if skipDetailByFilters(pbPeerState, isPeerConnected) {
 			continue
@@ -360,6 +362,7 @@ func mapPeers(peers []*proto.PeerState) peersStateOutput {
 			if pbPeerState.Relayed {
 				connType = "Relayed"
 			}
+			relayServerAddress = pbPeerState.GetRelayAddress()
 			lastHandshake = pbPeerState.GetLastWireguardHandshake().AsTime().Local()
 			transferReceived = pbPeerState.GetBytesRx()
 			transferSent = pbPeerState.GetBytesTx()
@@ -372,7 +375,6 @@ func mapPeers(peers []*proto.PeerState) peersStateOutput {
 			Status:           pbPeerState.GetConnStatus(),
 			LastStatusUpdate: timeLocal,
 			ConnType:         connType,
-			Direct:           pbPeerState.GetDirect(),
 			IceCandidateType: iceCandidateType{
 				Local:  localICE,
 				Remote: remoteICE,
@@ -381,6 +383,7 @@ func mapPeers(peers []*proto.PeerState) peersStateOutput {
 				Local:  localICEEndpoint,
 				Remote: remoteICEEndpoint,
 			},
+			RelayAddress:           relayServerAddress,
 			FQDN:                   pbPeerState.GetFqdn(),
 			LastWireguardHandshake: lastHandshake,
 			TransferReceived:       transferReceived,
@@ -641,9 +644,9 @@ func parsePeers(peers peersStateOutput, rosenpassEnabled, rosenpassPermissive bo
 				"  Status: %s\n"+
 				"  -- detail --\n"+
 				"  Connection type: %s\n"+
-				"  Direct: %t\n"+
 				"  ICE candidate (Local/Remote): %s/%s\n"+
 				"  ICE candidate endpoints (Local/Remote): %s/%s\n"+
+				"  Relay server address: %s\n"+
 				"  Last connection update: %s\n"+
 				"  Last WireGuard handshake: %s\n"+
 				"  Transfer status (received/sent) %s/%s\n"+
@@ -655,11 +658,11 @@ func parsePeers(peers peersStateOutput, rosenpassEnabled, rosenpassPermissive bo
 			peerState.PubKey,
 			peerState.Status,
 			peerState.ConnType,
-			peerState.Direct,
 			localICE,
 			remoteICE,
 			localICEEndpoint,
 			remoteICEEndpoint,
+			peerState.RelayAddress,
 			timeAgo(peerState.LastStatusUpdate),
 			timeAgo(peerState.LastWireguardHandshake),
 			toIEC(peerState.TransferReceived),

client/cmd/status_test.go

@@ -37,7 +37,6 @@ var resp = &proto.StatusResponse{
 				ConnStatus:                 "Connected",
 				ConnStatusUpdate:           timestamppb.New(time.Date(2001, time.Month(1), 1, 1, 1, 1, 0, time.UTC)),
 				Relayed:                    false,
-				Direct:                     true,
 				LocalIceCandidateType:      "",
 				RemoteIceCandidateType:     "",
 				LocalIceCandidateEndpoint:  "",
@@ -57,7 +56,6 @@ var resp = &proto.StatusResponse{
 				ConnStatus:                 "Connected",
 				ConnStatusUpdate:           timestamppb.New(time.Date(2002, time.Month(2), 2, 2, 2, 2, 0, time.UTC)),
 				Relayed:                    true,
-				Direct:                     false,
 				LocalIceCandidateType:      "relay",
 				RemoteIceCandidateType:     "prflx",
 				LocalIceCandidateEndpoint:  "10.0.0.1:10001",
@@ -137,7 +135,6 @@ var overview = statusOutputOverview{
 				Status:           "Connected",
 				LastStatusUpdate: time.Date(2001, 1, 1, 1, 1, 1, 0, time.UTC),
 				ConnType:         "P2P",
-				Direct:           true,
 				IceCandidateType: iceCandidateType{
 					Local:  "",
 					Remote: "",
@@ -161,7 +158,6 @@ var overview = statusOutputOverview{
 				Status:           "Connected",
 				LastStatusUpdate: time.Date(2002, 2, 2, 2, 2, 2, 0, time.UTC),
 				ConnType:         "Relayed",
-				Direct:           false,
 				IceCandidateType: iceCandidateType{
 					Local:  "relay",
 					Remote: "prflx",
@@ -283,7 +279,6 @@ func TestParsingToJSON(t *testing.T) {
                 "status": "Connected",
                 "lastStatusUpdate": "2001-01-01T01:01:01Z",
                 "connectionType": "P2P",
-                "direct": true,
                 "iceCandidateType": {
                   "local": "",
                   "remote": ""
@@ -292,6 +287,7 @@ func TestParsingToJSON(t *testing.T) {
                   "local": "",
                   "remote": ""
                 },
+				"relayAddress": "",
                 "lastWireguardHandshake": "2001-01-01T01:01:02Z",
                 "transferReceived": 200,
                 "transferSent": 100,
@@ -308,7 +304,6 @@ func TestParsingToJSON(t *testing.T) {
                 "status": "Connected",
                 "lastStatusUpdate": "2002-02-02T02:02:02Z",
                 "connectionType": "Relayed",
-                "direct": false,
                 "iceCandidateType": {
                   "local": "relay",
                   "remote": "prflx"
@@ -317,6 +312,7 @@ func TestParsingToJSON(t *testing.T) {
                   "local": "10.0.0.1:10001",
                   "remote": "10.0.10.1:10002"
                 },
+				"relayAddress": "",
                 "lastWireguardHandshake": "2002-02-02T02:02:03Z",
                 "transferReceived": 2000,
                 "transferSent": 1000,
@@ -408,13 +404,13 @@ func TestParsingToYAML(t *testing.T) {
           status: Connected
           lastStatusUpdate: 2001-01-01T01:01:01Z
           connectionType: P2P
-          direct: true
           iceCandidateType:
             local: ""
             remote: ""
           iceCandidateEndpoint:
             local: ""
             remote: ""
+          relayAddress: ""
           lastWireguardHandshake: 2001-01-01T01:01:02Z
           transferReceived: 200
           transferSent: 100
@@ -428,13 +424,13 @@ func TestParsingToYAML(t *testing.T) {
           status: Connected
           lastStatusUpdate: 2002-02-02T02:02:02Z
           connectionType: Relayed
-          direct: false
           iceCandidateType:
             local: relay
             remote: prflx
           iceCandidateEndpoint:
             local: 10.0.0.1:10001
             remote: 10.0.10.1:10002
+          relayAddress: ""
           lastWireguardHandshake: 2002-02-02T02:02:03Z
           transferReceived: 2000
           transferSent: 1000
@@ -505,9 +501,9 @@ func TestParsingToDetail(t *testing.T) {
   Status: Connected
   -- detail --
   Connection type: P2P
-  Direct: true
   ICE candidate (Local/Remote): -/-
   ICE candidate endpoints (Local/Remote): -/-
+  Relay server address: 
   Last connection update: %s
   Last WireGuard handshake: %s
   Transfer status (received/sent) 200 B/100 B
@@ -521,9 +517,9 @@ func TestParsingToDetail(t *testing.T) {
   Status: Connected
   -- detail --
   Connection type: Relayed
-  Direct: false
   ICE candidate (Local/Remote): relay/prflx
   ICE candidate endpoints (Local/Remote): 10.0.0.1:10001/10.0.10.1:10002
+  Relay server address: 
   Last connection update: %s
   Last WireGuard handshake: %s
   Transfer status (received/sent) 2.0 KiB/1000 B

client/cmd/testutil_test.go

@@ -98,7 +98,11 @@ func startManagement(t *testing.T, config *mgmt.Config) (*grpc.Server, net.Liste
 	if err != nil {
 		t.Fatal(err)
 	}
-	turnManager := mgmt.NewTimeBasedAuthSecretsManager(peersUpdateManager, config.TURNConfig)
+
+	rc := &mgmt.RelayConfig{
+		Address: "localhost:0",
+	}
+	turnManager := mgmt.NewTimeBasedAuthSecretsManager(peersUpdateManager, config.TURNConfig, rc)
 	mgmtServer, err := mgmt.NewServer(context.Background(), config, accountManager, peersUpdateManager, turnManager, nil, nil)
 	if err != nil {
 		t.Fatal(err)

client/cmd/up.go

@@ -147,6 +147,11 @@ func runInForegroundMode(ctx context.Context, cmd *cobra.Command) error {
 		ic.DNSRouteInterval = &dnsRouteInterval
 	}
 
+	providedSetupKey, err := getSetupKey()
+	if err != nil {
+		return err
+	}
+
 	config, err := internal.UpdateOrCreateConfig(ic)
 	if err != nil {
 		return fmt.Errorf("get config file: %v", err)
@@ -154,7 +159,7 @@ func runInForegroundMode(ctx context.Context, cmd *cobra.Command) error {
 
 	config, _ = internal.UpdateOldManagementURL(ctx, config, configPath)
 
-	err = foregroundLogin(ctx, cmd, config, setupKey)
+	err = foregroundLogin(ctx, cmd, config, providedSetupKey)
 	if err != nil {
 		return fmt.Errorf("foreground login failed: %v", err)
 	}
@@ -163,7 +168,10 @@ func runInForegroundMode(ctx context.Context, cmd *cobra.Command) error {
 	ctx, cancel = context.WithCancel(ctx)
 	SetupCloseHandler(ctx, cancel)
 
-	connectClient := internal.NewConnectClient(ctx, config, peer.NewRecorder(config.ManagementURL.String()))
+	r := peer.NewRecorder(config.ManagementURL.String())
+	r.GetFullStatus()
+
+	connectClient := internal.NewConnectClient(ctx, config, r)
 	return connectClient.Run()
 }
 
@@ -199,8 +207,13 @@ func runInDaemonMode(ctx context.Context, cmd *cobra.Command) error {
 		return nil
 	}
 
+	providedSetupKey, err := getSetupKey()
+	if err != nil {
+		return err
+	}
+
 	loginRequest := proto.LoginRequest{
-		SetupKey:             setupKey,
+		SetupKey:             providedSetupKey,
 		ManagementUrl:        managementURL,
 		AdminURL:             adminURL,
 		NatExternalIPs:       natExternalIPs,

client/cmd/up_daemon_test.go

@@ -2,6 +2,7 @@ package cmd
 
 import (
 	"context"
+	"os"
 	"testing"
 	"time"
 
@@ -40,6 +41,36 @@ func TestUpDaemon(t *testing.T) {
 		return
 	}
 
+	// Test the setup-key-file flag.
+	tempFile, err := os.CreateTemp("", "setup-key")
+	if err != nil {
+		t.Errorf("could not create temp file, got error %v", err)
+		return
+	}
+	defer os.Remove(tempFile.Name())
+	if _, err := tempFile.Write([]byte("A2C8E62B-38F5-4553-B31E-DD66C696CEBB")); err != nil {
+		t.Errorf("could not write to temp file, got error %v", err)
+		return
+	}
+	if err := tempFile.Close(); err != nil {
+		t.Errorf("unable to close file, got error %v", err)
+	}
+	rootCmd.SetArgs([]string{
+		"login",
+		"--daemon-addr", "tcp://" + cliAddr,
+		"--setup-key-file", tempFile.Name(),
+		"--log-file", "",
+	})
+	if err := rootCmd.Execute(); err != nil {
+		t.Errorf("expected no error while running up command, got %v", err)
+		return
+	}
+	time.Sleep(time.Second * 3)
+	if status, err := state.Status(); err != nil && status != internal.StatusIdle {
+		t.Errorf("wrong status after login: %s, %v", internal.StatusIdle, err)
+		return
+	}
+
 	rootCmd.SetArgs([]string{
 		"up",
 		"--daemon-addr", "tcp://" + cliAddr,

client/internal/auth/device_flow.go

@@ -3,6 +3,7 @@ package auth
 import (
 	"context"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"io"
 	"net/http"
@@ -180,7 +181,7 @@ func (d *DeviceAuthorizationFlow) WaitToken(ctx context.Context, info AuthFlowIn
 					continue
 				}
 
-				return TokenInfo{}, fmt.Errorf(tokenResponse.ErrorDescription)
+				return TokenInfo{}, errors.New(tokenResponse.ErrorDescription)
 			}
 
 			tokenInfo := TokenInfo{

client/internal/auth/oauth.go

@@ -86,7 +86,7 @@ func NewOAuthFlow(ctx context.Context, config *internal.Config, isLinuxDesktopCl
 
 // authenticateWithPKCEFlow initializes the Proof Key for Code Exchange flow auth flow
 func authenticateWithPKCEFlow(ctx context.Context, config *internal.Config) (OAuthFlow, error) {
-	pkceFlowInfo, err := internal.GetPKCEAuthorizationFlowInfo(ctx, config.PrivateKey, config.ManagementURL)
+	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)
 	}

client/internal/auth/pkce_flow.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"crypto/sha256"
 	"crypto/subtle"
+	"crypto/tls"
 	"encoding/base64"
 	"errors"
 	"fmt"
@@ -143,6 +144,18 @@ func (p *PKCEAuthorizationFlow) WaitToken(ctx context.Context, _ AuthFlowInfo) (
 func (p *PKCEAuthorizationFlow) startServer(server *http.Server, tokenChan chan<- *oauth2.Token, errChan chan<- error) {
 	mux := http.NewServeMux()
 	mux.HandleFunc("/", func(w http.ResponseWriter, req *http.Request) {
+		cert := p.providerConfig.ClientCertPair
+		if cert != nil {
+			tr := &http.Transport{
+				TLSClientConfig: &tls.Config{
+					Certificates: []tls.Certificate{*cert},
+				},
+			}
+			sslClient := &http.Client{Transport: tr}
+			ctx := context.WithValue(req.Context(), oauth2.HTTPClient, sslClient)
+			req = req.WithContext(ctx)
+		}
+
 		token, err := p.handleRequest(req)
 		if err != nil {
 			renderPKCEFlowTmpl(w, err)

client/internal/config.go

@@ -2,6 +2,7 @@ package internal
 
 import (
 	"context"
+	"crypto/tls"
 	"fmt"
 	"net/url"
 	"os"
@@ -57,6 +58,8 @@ type ConfigInput struct {
 	DisableAutoConnect  *bool
 	ExtraIFaceBlackList []string
 	DNSRouteInterval    *time.Duration
+	ClientCertPath      string
+	ClientCertKeyPath   string
 }
 
 // Config Configuration type
@@ -102,6 +105,13 @@ type Config struct {
 
 	// DNSRouteInterval is the interval in which the DNS routes are updated
 	DNSRouteInterval time.Duration
+	//Path to a certificate used for mTLS authentication
+	ClientCertPath string
+
+	//Path to corresponding private key of ClientCertPath
+	ClientCertKeyPath string
+
+	ClientCertKeyPair *tls.Certificate `json:"-"`
 }
 
 // ReadConfig read config file and return with Config. If it is not exists create a new with default values
@@ -385,6 +395,26 @@ func (config *Config) apply(input ConfigInput) (updated bool, err error) {
 
 	}
 
+	if input.ClientCertKeyPath != "" {
+		config.ClientCertKeyPath = input.ClientCertKeyPath
+		updated = true
+	}
+
+	if input.ClientCertPath != "" {
+		config.ClientCertPath = input.ClientCertPath
+		updated = true
+	}
+
+	if config.ClientCertPath != "" && config.ClientCertKeyPath != "" {
+		cert, err := tls.LoadX509KeyPair(config.ClientCertPath, config.ClientCertKeyPath)
+		if err != nil {
+			log.Error("Failed to load mTLS cert/key pair: ", err)
+		} else {
+			config.ClientCertKeyPair = &cert
+			log.Info("Loaded client mTLS cert/key pair")
+		}
+	}
+
 	return updated, nil
 }
 

client/internal/connect.go

@@ -26,6 +26,8 @@ import (
 	"github.com/netbirdio/netbird/iface"
 	mgm "github.com/netbirdio/netbird/management/client"
 	mgmProto "github.com/netbirdio/netbird/management/proto"
+	"github.com/netbirdio/netbird/relay/auth/hmac"
+	relayClient "github.com/netbirdio/netbird/relay/client"
 	signal "github.com/netbirdio/netbird/signal/client"
 	"github.com/netbirdio/netbird/util"
 	"github.com/netbirdio/netbird/version"
@@ -162,10 +164,8 @@ func (c *ConnectClient) run(
 	defer c.statusRecorder.ClientStop()
 	operation := func() error {
 		// if context cancelled we not start new backoff cycle
-		select {
-		case <-c.ctx.Done():
+		if c.isContextCancelled() {
 			return nil
-		default:
 		}
 
 		state.Set(StatusConnecting)
@@ -187,8 +187,7 @@ func (c *ConnectClient) run(
 
 		log.Debugf("connected to the Management service %s", c.config.ManagementURL.Host)
 		defer func() {
-			err = mgmClient.Close()
-			if err != nil {
+			if err = mgmClient.Close(); err != nil {
 				log.Warnf("failed to close the Management service client %v", err)
 			}
 		}()
@@ -211,7 +210,6 @@ func (c *ConnectClient) run(
 			KernelInterface: iface.WireGuardModuleIsLoaded(),
 			FQDN:            loginResp.GetPeerConfig().GetFqdn(),
 		}
-
 		c.statusRecorder.UpdateLocalPeerState(localPeerState)
 
 		signalURL := fmt.Sprintf("%s://%s",
@@ -244,6 +242,20 @@ func (c *ConnectClient) run(
 
 		c.statusRecorder.MarkSignalConnected()
 
+		relayURL, token := parseRelayInfo(loginResp)
+		relayManager := relayClient.NewManager(engineCtx, relayURL, myPrivateKey.PublicKey().String())
+		if relayURL != "" {
+			if token != nil {
+				relayManager.UpdateToken(token)
+			}
+			log.Infof("connecting to the Relay service %s", relayURL)
+			if err = relayManager.Serve(); err != nil {
+				log.Error(err)
+				return wrapErr(err)
+			}
+			c.statusRecorder.SetRelayMgr(relayManager)
+		}
+
 		peerConfig := loginResp.GetPeerConfig()
 
 		engineConfig, err := createEngineConfig(myPrivateKey, c.config, peerConfig)
@@ -255,11 +267,10 @@ func (c *ConnectClient) run(
 		checks := loginResp.GetChecks()
 
 		c.engineMutex.Lock()
-		c.engine = NewEngineWithProbes(engineCtx, cancel, signalClient, mgmClient, engineConfig, mobileDependency, c.statusRecorder, mgmProbe, signalProbe, relayProbe, wgProbe, checks)
+		c.engine = NewEngineWithProbes(engineCtx, cancel, signalClient, mgmClient, relayManager, engineConfig, mobileDependency, c.statusRecorder, mgmProbe, signalProbe, relayProbe, wgProbe, checks)
 		c.engineMutex.Unlock()
 
-		err = c.engine.Start()
-		if err != nil {
+		if err := c.engine.Start(); err != nil {
 			log.Errorf("error while starting Netbird Connection Engine: %s", err)
 			return wrapErr(err)
 		}
@@ -299,6 +310,25 @@ func (c *ConnectClient) run(
 	return nil
 }
 
+func parseRelayInfo(resp *mgmProto.LoginResponse) (string, *hmac.Token) {
+	msg := resp.GetWiretrusteeConfig().GetRelay()
+	if msg == nil {
+		return "", nil
+	}
+
+	var url string
+	if msg.GetUrls() != nil && len(msg.GetUrls()) > 0 {
+		url = msg.GetUrls()[0]
+	}
+
+	token := &hmac.Token{
+		Payload:   msg.GetTokenPayload(),
+		Signature: msg.GetTokenSignature(),
+	}
+
+	return url, token
+}
+
 func (c *ConnectClient) Engine() *Engine {
 	var e *Engine
 	c.engineMutex.Lock()
@@ -307,6 +337,15 @@ func (c *ConnectClient) Engine() *Engine {
 	return e
 }
 
+func (c *ConnectClient) isContextCancelled() bool {
+	select {
+	case <-c.ctx.Done():
+		return true
+	default:
+		return false
+	}
+}
+
 // createEngineConfig converts configuration received from Management Service to EngineConfig
 func createEngineConfig(key wgtypes.Key, config *Config, peerConfig *mgmProto.PeerConfig) (*EngineConfig, error) {
 	nm := false

client/internal/engine.go

@@ -13,6 +13,7 @@ import (
 	"slices"
 	"strings"
 	"sync"
+	"sync/atomic"
 	"time"
 
 	"github.com/pion/ice/v3"
@@ -24,6 +25,7 @@ import (
 	"github.com/netbirdio/netbird/client/firewall/manager"
 	"github.com/netbirdio/netbird/client/internal/acl"
 	"github.com/netbirdio/netbird/client/internal/dns"
+
 	"github.com/netbirdio/netbird/client/internal/networkmonitor"
 	"github.com/netbirdio/netbird/client/internal/peer"
 	"github.com/netbirdio/netbird/client/internal/relay"
@@ -39,6 +41,8 @@ import (
 	mgm "github.com/netbirdio/netbird/management/client"
 	"github.com/netbirdio/netbird/management/domain"
 	mgmProto "github.com/netbirdio/netbird/management/proto"
+	auth "github.com/netbirdio/netbird/relay/auth/hmac"
+	relayClient "github.com/netbirdio/netbird/relay/client"
 	"github.com/netbirdio/netbird/route"
 	signal "github.com/netbirdio/netbird/signal/client"
 	sProto "github.com/netbirdio/netbird/signal/proto"
@@ -101,7 +105,8 @@ type EngineConfig struct {
 // Engine is a mechanism responsible for reacting on Signal and Management stream events and managing connections to the remote peers.
 type Engine struct {
 	// signal is a Signal Service client
-	signal signal.Client
+	signal   signal.Client
+	signaler *peer.Signaler
 	// mgmClient is a Management Service client
 	mgmClient mgm.Client
 	// peerConns is a map that holds all the peers that are known to this peer
@@ -122,7 +127,8 @@ type Engine struct {
 	// STUNs is a list of STUN servers used by ICE
 	STUNs []*stun.URI
 	// TURNs is a list of STUN servers used by ICE
-	TURNs []*stun.URI
+	TURNs    []*stun.URI
+	StunTurn atomic.Value
 
 	// clientRoutes is the most recent list of clientRoutes received from the Management Service
 	clientRoutes   route.HAMap
@@ -134,7 +140,7 @@ type Engine struct {
 	ctx    context.Context
 	cancel context.CancelFunc
 
-	wgInterface    *iface.WGIface
+	wgInterface    iface.IWGIface
 	wgProxyFactory *wgproxy.Factory
 
 	udpMux *bind.UniversalUDPMuxDefault
@@ -160,10 +166,10 @@ type Engine struct {
 	relayProbe  *Probe
 	wgProbe     *Probe
 
-	wgConnWorker sync.WaitGroup
-
 	// checks are the client-applied posture checks that need to be evaluated on the client
 	checks []*mgmProto.Checks
+
+	relayManager *relayClient.Manager
 }
 
 // Peer is an instance of the Connection Peer
@@ -178,6 +184,7 @@ func NewEngine(
 	clientCancel context.CancelFunc,
 	signalClient signal.Client,
 	mgmClient mgm.Client,
+	relayManager *relayClient.Manager,
 	config *EngineConfig,
 	mobileDep MobileDependency,
 	statusRecorder *peer.Status,
@@ -188,6 +195,7 @@ func NewEngine(
 		clientCancel,
 		signalClient,
 		mgmClient,
+		relayManager,
 		config,
 		mobileDep,
 		statusRecorder,
@@ -205,6 +213,7 @@ func NewEngineWithProbes(
 	clientCancel context.CancelFunc,
 	signalClient signal.Client,
 	mgmClient mgm.Client,
+	relayManager *relayClient.Manager,
 	config *EngineConfig,
 	mobileDep MobileDependency,
 	statusRecorder *peer.Status,
@@ -214,12 +223,13 @@ func NewEngineWithProbes(
 	wgProbe *Probe,
 	checks []*mgmProto.Checks,
 ) *Engine {
-
 	return &Engine{
 		clientCtx:      clientCtx,
 		clientCancel:   clientCancel,
 		signal:         signalClient,
+		signaler:       peer.NewSignaler(signalClient, config.WgPrivateKey),
 		mgmClient:      mgmClient,
+		relayManager:   relayManager,
 		peerConns:      make(map[string]*peer.Conn),
 		syncMsgMux:     &sync.Mutex{},
 		config:         config,
@@ -265,24 +275,8 @@ func (e *Engine) Stop() error {
 	time.Sleep(500 * time.Millisecond)
 
 	e.close()
-	e.wgConnWorker.Wait()
-
-	maxWaitTime := 5 * time.Second
-	timeout := time.After(maxWaitTime)
-
-	for {
-		if !e.IsWGIfaceUp() {
-			log.Infof("stopped Netbird Engine")
-			return nil
-		}
-
-		select {
-		case <-timeout:
-			return fmt.Errorf("timeout when waiting for interface shutdown")
-		default:
-			time.Sleep(100 * time.Millisecond)
-		}
-	}
+	log.Infof("stopped Netbird Engine")
+	return nil
 }
 
 // Start creates a new WireGuard tunnel interface and listens to events from Signal and Management services
@@ -480,80 +474,42 @@ func (e *Engine) removePeer(peerKey string) error {
 	conn, exists := e.peerConns[peerKey]
 	if exists {
 		delete(e.peerConns, peerKey)
-		err := conn.Close()
-		if err != nil {
-			switch err.(type) {
-			case *peer.ConnectionAlreadyClosedError:
-				return nil
-			default:
-				return err
-			}
-		}
+		conn.Close()
 	}
 	return nil
 }
 
-func signalCandidate(candidate ice.Candidate, myKey wgtypes.Key, remoteKey wgtypes.Key, s signal.Client) error {
-	err := s.Send(&sProto.Message{
-		Key:       myKey.PublicKey().String(),
-		RemoteKey: remoteKey.String(),
-		Body: &sProto.Body{
-			Type:    sProto.Body_CANDIDATE,
-			Payload: candidate.Marshal(),
-		},
-	})
-	if err != nil {
-		return err
-	}
-
-	return nil
-}
-
-func sendSignal(message *sProto.Message, s signal.Client) error {
-	return s.Send(message)
-}
-
-// SignalOfferAnswer signals either an offer or an answer to remote peer
-func SignalOfferAnswer(offerAnswer peer.OfferAnswer, myKey wgtypes.Key, remoteKey wgtypes.Key, s signal.Client,
-	isAnswer bool) error {
-	var t sProto.Body_Type
-	if isAnswer {
-		t = sProto.Body_ANSWER
-	} else {
-		t = sProto.Body_OFFER
-	}
-
-	msg, err := signal.MarshalCredential(myKey, offerAnswer.WgListenPort, remoteKey, &signal.Credential{
-		UFrag: offerAnswer.IceCredentials.UFrag,
-		Pwd:   offerAnswer.IceCredentials.Pwd,
-	}, t, offerAnswer.RosenpassPubKey, offerAnswer.RosenpassAddr)
-	if err != nil {
-		return err
-	}
-
-	err = s.Send(msg)
-	if err != nil {
-		return err
-	}
-
-	return nil
-}
-
 func (e *Engine) handleSync(update *mgmProto.SyncResponse) error {
 	e.syncMsgMux.Lock()
 	defer e.syncMsgMux.Unlock()
 
 	if update.GetWiretrusteeConfig() != nil {
-		err := e.updateTURNs(update.GetWiretrusteeConfig().GetTurns())
+		wCfg := update.GetWiretrusteeConfig()
+		err := e.updateTURNs(wCfg.GetTurns())
 		if err != nil {
 			return err
 		}
 
-		err = e.updateSTUNs(update.GetWiretrusteeConfig().GetStuns())
+		err = e.updateSTUNs(wCfg.GetStuns())
 		if err != nil {
 			return err
 		}
 
+		var stunTurn []*stun.URI
+		stunTurn = append(stunTurn, e.STUNs...)
+		stunTurn = append(stunTurn, e.TURNs...)
+		e.StunTurn.Store(stunTurn)
+
+		relayMsg := wCfg.GetRelay()
+		if relayMsg != nil {
+			c := &auth.Token{
+				Payload:   relayMsg.GetTokenPayload(),
+				Signature: relayMsg.GetTokenSignature(),
+			}
+			e.relayManager.UpdateToken(c)
+		}
+
+		// todo update relay address in the relay manager
 		// todo update signal
 	}
 
@@ -949,68 +905,13 @@ func (e *Engine) addNewPeer(peerConfig *mgmProto.RemotePeerConfig) error {
 			log.Warnf("error adding peer %s to status recorder, got error: %v", peerKey, err)
 		}
 
-		e.wgConnWorker.Add(1)
-		go e.connWorker(conn, peerKey)
+		conn.Open()
 	}
 	return nil
 }
 
-func (e *Engine) connWorker(conn *peer.Conn, peerKey string) {
-	defer e.wgConnWorker.Done()
-	for {
-
-		// randomize starting time a bit
-		min := 500
-		max := 2000
-		duration := time.Duration(rand.Intn(max-min)+min) * time.Millisecond
-		select {
-		case <-e.ctx.Done():
-			return
-		case <-time.After(duration):
-		}
-
-		// if peer has been removed -> give up
-		if !e.peerExists(peerKey) {
-			log.Debugf("peer %s doesn't exist anymore, won't retry connection", peerKey)
-			return
-		}
-
-		if !e.signal.Ready() {
-			log.Infof("signal client isn't ready, skipping connection attempt %s", peerKey)
-			continue
-		}
-
-		// we might have received new STUN and TURN servers meanwhile, so update them
-		e.syncMsgMux.Lock()
-		conn.UpdateStunTurn(append(e.STUNs, e.TURNs...))
-		e.syncMsgMux.Unlock()
-
-		err := conn.Open(e.ctx)
-		if err != nil {
-			log.Debugf("connection to peer %s failed: %v", peerKey, err)
-			var connectionClosedError *peer.ConnectionClosedError
-			switch {
-			case errors.As(err, &connectionClosedError):
-				// conn has been forced to close, so we exit the loop
-				return
-			default:
-			}
-		}
-	}
-}
-
-func (e *Engine) peerExists(peerKey string) bool {
-	e.syncMsgMux.Lock()
-	defer e.syncMsgMux.Unlock()
-	_, ok := e.peerConns[peerKey]
-	return ok
-}
-
 func (e *Engine) createPeerConn(pubKey string, allowedIPs string) (*peer.Conn, error) {
 	log.Debugf("creating peer connection %s", pubKey)
-	var stunTurn []*stun.URI
-	stunTurn = append(stunTurn, e.STUNs...)
-	stunTurn = append(stunTurn, e.TURNs...)
 
 	wgConfig := peer.WgConfig{
 		RemoteKey:    pubKey,
@@ -1043,52 +944,29 @@ func (e *Engine) createPeerConn(pubKey string, allowedIPs string) (*peer.Conn, e
 	// randomize connection timeout
 	timeout := time.Duration(rand.Intn(PeerConnectionTimeoutMax-PeerConnectionTimeoutMin)+PeerConnectionTimeoutMin) * time.Millisecond
 	config := peer.ConnConfig{
-		Key:                  pubKey,
-		LocalKey:             e.config.WgPrivateKey.PublicKey().String(),
-		StunTurn:             stunTurn,
-		InterfaceBlackList:   e.config.IFaceBlackList,
-		DisableIPv6Discovery: e.config.DisableIPv6Discovery,
-		Timeout:              timeout,
-		UDPMux:               e.udpMux.UDPMuxDefault,
-		UDPMuxSrflx:          e.udpMux,
-		WgConfig:             wgConfig,
-		LocalWgPort:          e.config.WgPort,
-		NATExternalIPs:       e.parseNATExternalIPMappings(),
-		RosenpassPubKey:      e.getRosenpassPubKey(),
-		RosenpassAddr:        e.getRosenpassAddr(),
+		Key:             pubKey,
+		LocalKey:        e.config.WgPrivateKey.PublicKey().String(),
+		Timeout:         timeout,
+		WgConfig:        wgConfig,
+		LocalWgPort:     e.config.WgPort,
+		RosenpassPubKey: e.getRosenpassPubKey(),
+		RosenpassAddr:   e.getRosenpassAddr(),
+		ICEConfig: peer.ICEConfig{
+			StunTurn:             &e.StunTurn,
+			InterfaceBlackList:   e.config.IFaceBlackList,
+			DisableIPv6Discovery: e.config.DisableIPv6Discovery,
+			UDPMux:               e.udpMux.UDPMuxDefault,
+			UDPMuxSrflx:          e.udpMux,
+			NATExternalIPs:       e.parseNATExternalIPMappings(),
+		},
 	}
 
-	peerConn, err := peer.NewConn(config, e.statusRecorder, e.wgProxyFactory, e.mobileDep.TunAdapter, e.mobileDep.IFaceDiscover)
+	peerConn, err := peer.NewConn(e.ctx, config, e.statusRecorder, e.wgProxyFactory, e.signaler, e.mobileDep.IFaceDiscover, e.relayManager)
 	if err != nil {
 		return nil, err
 	}
 
-	wgPubKey, err := wgtypes.ParseKey(pubKey)
-	if err != nil {
-		return nil, err
-	}
-
-	signalOffer := func(offerAnswer peer.OfferAnswer) error {
-		return SignalOfferAnswer(offerAnswer, e.config.WgPrivateKey, wgPubKey, e.signal, false)
-	}
-
-	signalCandidate := func(candidate ice.Candidate) error {
-		return signalCandidate(candidate, e.config.WgPrivateKey, wgPubKey, e.signal)
-	}
-
-	signalAnswer := func(offerAnswer peer.OfferAnswer) error {
-		return SignalOfferAnswer(offerAnswer, e.config.WgPrivateKey, wgPubKey, e.signal, true)
-	}
-
-	peerConn.SetSignalCandidate(signalCandidate)
-	peerConn.SetSignalOffer(signalOffer)
-	peerConn.SetSignalAnswer(signalAnswer)
-	peerConn.SetSendSignalMessage(func(message *sProto.Message) error {
-		return sendSignal(message, e.signal)
-	})
-
 	if e.rpManager != nil {
-
 		peerConn.SetOnConnected(e.rpManager.OnConnected)
 		peerConn.SetOnDisconnected(e.rpManager.OnDisconnected)
 	}
@@ -1131,6 +1009,7 @@ func (e *Engine) receiveSignalEvents() {
 					Version:         msg.GetBody().GetNetBirdVersion(),
 					RosenpassPubKey: rosenpassPubKey,
 					RosenpassAddr:   rosenpassAddr,
+					RelaySrvAddress: msg.GetBody().GetRelayServerAddress(),
 				})
 			case sProto.Body_ANSWER:
 				remoteCred, err := signal.UnMarshalCredential(msg)
@@ -1153,6 +1032,7 @@ func (e *Engine) receiveSignalEvents() {
 					Version:         msg.GetBody().GetNetBirdVersion(),
 					RosenpassPubKey: rosenpassPubKey,
 					RosenpassAddr:   rosenpassAddr,
+					RelaySrvAddress: msg.GetBody().GetRelayServerAddress(),
 				})
 			case sProto.Body_CANDIDATE:
 				candidate, err := ice.UnmarshalCandidate(msg.GetBody().Payload)
@@ -1161,7 +1041,7 @@ func (e *Engine) receiveSignalEvents() {
 					return err
 				}
 
-				conn.OnRemoteCandidate(candidate, e.GetClientRoutes())
+				go conn.OnRemoteCandidate(candidate, e.GetClientRoutes())
 			case sProto.Body_MODE:
 			}
 
@@ -1457,7 +1337,7 @@ func (e *Engine) receiveProbeEvents() {
 
 			for _, peer := range e.peerConns {
 				key := peer.GetKey()
-				wgStats, err := peer.GetConf().WgConfig.WgInterface.GetStats(key)
+				wgStats, err := peer.WgConfig().WgInterface.GetStats(key)
 				if err != nil {
 					log.Debugf("failed to get wg stats for peer %s: %s", key, err)
 				}

client/internal/engine_test.go

@@ -36,6 +36,7 @@ import (
 	mgmtProto "github.com/netbirdio/netbird/management/proto"
 	"github.com/netbirdio/netbird/management/server"
 	"github.com/netbirdio/netbird/management/server/activity"
+	relayClient "github.com/netbirdio/netbird/relay/client"
 	"github.com/netbirdio/netbird/management/server/telemetry"
 	"github.com/netbirdio/netbird/route"
 	signal "github.com/netbirdio/netbird/signal/client"
@@ -58,6 +59,12 @@ var (
 	}
 )
 
+func TestMain(m *testing.M) {
+	_ = util.InitLog("debug", "console")
+	code := m.Run()
+	os.Exit(code)
+}
+
 func TestEngine_SSH(t *testing.T) {
 	// todo resolve test execution on freebsd
 	if runtime.GOOS == "windows" || runtime.GOOS == "freebsd" {
@@ -73,13 +80,23 @@ func TestEngine_SSH(t *testing.T) {
 	ctx, cancel := context.WithCancel(context.Background())
 	defer cancel()
 
-	engine := NewEngine(ctx, cancel, &signal.MockClient{}, &mgmt.MockClient{}, &EngineConfig{
-		WgIfaceName:      "utun101",
-		WgAddr:           "100.64.0.1/24",
-		WgPrivateKey:     key,
-		WgPort:           33100,
-		ServerSSHAllowed: true,
-	}, MobileDependency{}, peer.NewRecorder("https://mgm"), nil)
+	relayMgr := relayClient.NewManager(ctx, "", key.PublicKey().String())
+	engine := NewEngine(
+		ctx, cancel,
+		&signal.MockClient{},
+		&mgmt.MockClient{},
+		relayMgr,
+		&EngineConfig{
+			WgIfaceName:      "utun101",
+			WgAddr:           "100.64.0.1/24",
+			WgPrivateKey:     key,
+			WgPort:           33100,
+			ServerSSHAllowed: true,
+		},
+		MobileDependency{},
+		peer.NewRecorder("https://mgm"),
+		nil,
+	)
 
 	engine.dnsServer = &dns.MockServer{
 		UpdateDNSServerFunc: func(serial uint64, update nbdns.Config) error { return nil },
@@ -208,20 +225,28 @@ func TestEngine_UpdateNetworkMap(t *testing.T) {
 	ctx, cancel := context.WithCancel(context.Background())
 	defer cancel()
 
-	engine := NewEngine(ctx, cancel, &signal.MockClient{}, &mgmt.MockClient{}, &EngineConfig{
-		WgIfaceName:  "utun102",
-		WgAddr:       "100.64.0.1/24",
-		WgPrivateKey: key,
-		WgPort:       33100,
-	}, MobileDependency{}, peer.NewRecorder("https://mgm"), nil)
-	newNet, err := stdnet.NewNet()
-	if err != nil {
-		t.Fatal(err)
-	}
-	engine.wgInterface, err = iface.NewWGIFace("utun102", "100.64.0.1/24", engine.config.WgPort, key.String(), iface.DefaultMTU, newNet, nil, nil)
-	if err != nil {
-		t.Fatal(err)
+	relayMgr := relayClient.NewManager(ctx, "", key.PublicKey().String())
+	engine := NewEngine(
+		ctx, cancel,
+		&signal.MockClient{},
+		&mgmt.MockClient{},
+		relayMgr,
+		&EngineConfig{
+			WgIfaceName:  "utun102",
+			WgAddr:       "100.64.0.1/24",
+			WgPrivateKey: key,
+			WgPort:       33100,
+		},
+		MobileDependency{},
+		peer.NewRecorder("https://mgm"),
+		nil)
+
+	wgIface := &iface.MockWGIface{
+		RemovePeerFunc: func(peerKey string) error {
+			return nil
+		},
 	}
+	engine.wgInterface = wgIface
 	engine.routeManager = routemanager.NewManager(ctx, key.PublicKey().String(), time.Minute, engine.wgInterface, engine.statusRecorder, nil)
 	engine.dnsServer = &dns.MockServer{
 		UpdateDNSServerFunc: func(serial uint64, update nbdns.Config) error { return nil },
@@ -404,8 +429,8 @@ func TestEngine_Sync(t *testing.T) {
 		}
 		return nil
 	}
-
-	engine := NewEngine(ctx, cancel, &signal.MockClient{}, &mgmt.MockClient{SyncFunc: syncFunc}, &EngineConfig{
+	relayMgr := relayClient.NewManager(ctx, "", key.PublicKey().String())
+	engine := NewEngine(ctx, cancel, &signal.MockClient{}, &mgmt.MockClient{SyncFunc: syncFunc}, relayMgr, &EngineConfig{
 		WgIfaceName:  "utun103",
 		WgAddr:       "100.64.0.1/24",
 		WgPrivateKey: key,
@@ -564,7 +589,8 @@ func TestEngine_UpdateNetworkMapWithRoutes(t *testing.T) {
 			wgIfaceName := fmt.Sprintf("utun%d", 104+n)
 			wgAddr := fmt.Sprintf("100.66.%d.1/24", n)
 
-			engine := NewEngine(ctx, cancel, &signal.MockClient{}, &mgmt.MockClient{}, &EngineConfig{
+			relayMgr := relayClient.NewManager(ctx, "", key.PublicKey().String())
+			engine := NewEngine(ctx, cancel, &signal.MockClient{}, &mgmt.MockClient{}, relayMgr, &EngineConfig{
 				WgIfaceName:  wgIfaceName,
 				WgAddr:       wgAddr,
 				WgPrivateKey: key,
@@ -734,7 +760,8 @@ func TestEngine_UpdateNetworkMapWithDNSUpdate(t *testing.T) {
 			wgIfaceName := fmt.Sprintf("utun%d", 104+n)
 			wgAddr := fmt.Sprintf("100.66.%d.1/24", n)
 
-			engine := NewEngine(ctx, cancel, &signal.MockClient{}, &mgmt.MockClient{}, &EngineConfig{
+			relayMgr := relayClient.NewManager(ctx, "", key.PublicKey().String())
+			engine := NewEngine(ctx, cancel, &signal.MockClient{}, &mgmt.MockClient{}, relayMgr, &EngineConfig{
 				WgIfaceName:  wgIfaceName,
 				WgAddr:       wgAddr,
 				WgPrivateKey: key,
@@ -1010,7 +1037,8 @@ func createEngine(ctx context.Context, cancel context.CancelFunc, setupKey strin
 		WgPort:       wgPort,
 	}
 
-	e, err := NewEngine(ctx, cancel, signalClient, mgmtClient, conf, MobileDependency{}, peer.NewRecorder("https://mgm"), nil), nil
+	relayMgr := relayClient.NewManager(ctx, "", key.PublicKey().String())
+	e, err := NewEngine(ctx, cancel, signalClient, mgmtClient, relayMgr, conf, MobileDependency{}, peer.NewRecorder("https://mgm"), nil), nil
 	e.ctx = ctx
 	return e, err
 }
@@ -1078,7 +1106,10 @@ func startManagement(t *testing.T, dataDir string) (*grpc.Server, string, error)
 	if err != nil {
 		return nil, "", err
 	}
-	turnManager := server.NewTimeBasedAuthSecretsManager(peersUpdateManager, config.TURNConfig)
+	rc := &server.RelayConfig{
+		Address: "127.0.0.1:1234",
+	}
+	turnManager := server.NewTimeBasedAuthSecretsManager(peersUpdateManager, config.TURNConfig, rc)
 	mgmtServer, err := server.NewServer(context.Background(), config, accountManager, peersUpdateManager, turnManager, nil, nil)
 	if err != nil {
 		return nil, "", err

client/internal/peer/conn_test.go

@@ -2,25 +2,33 @@ package peer
 
 import (
 	"context"
+	"os"
 	"sync"
 	"testing"
 	"time"
 
 	"github.com/magiconair/properties/assert"
-	"github.com/pion/stun/v2"
 
 	"github.com/netbirdio/netbird/client/internal/stdnet"
 	"github.com/netbirdio/netbird/client/internal/wgproxy"
 	"github.com/netbirdio/netbird/iface"
+	"github.com/netbirdio/netbird/util"
 )
 
 var connConf = ConnConfig{
-	Key:                "LLHf3Ma6z6mdLbriAJbqhX7+nM/B71lgw2+91q3LfhU=",
-	LocalKey:           "RRHf3Ma6z6mdLbriAJbqhX7+nM/B71lgw2+91q3LfhU=",
-	StunTurn:           []*stun.URI{},
-	InterfaceBlackList: nil,
-	Timeout:            time.Second,
-	LocalWgPort:        51820,
+	Key:         "LLHf3Ma6z6mdLbriAJbqhX7+nM/B71lgw2+91q3LfhU=",
+	LocalKey:    "RRHf3Ma6z6mdLbriAJbqhX7+nM/B71lgw2+91q3LfhU=",
+	Timeout:     time.Second,
+	LocalWgPort: 51820,
+	ICEConfig: ICEConfig{
+		InterfaceBlackList: nil,
+	},
+}
+
+func TestMain(m *testing.M) {
+	_ = util.InitLog("trace", "console")
+	code := m.Run()
+	os.Exit(code)
 }
 
 func TestNewConn_interfaceFilter(t *testing.T) {
@@ -40,7 +48,7 @@ func TestConn_GetKey(t *testing.T) {
 	defer func() {
 		_ = wgProxyFactory.Free()
 	}()
-	conn, err := NewConn(connConf, nil, wgProxyFactory, nil, nil)
+	conn, err := NewConn(context.Background(), connConf, nil, wgProxyFactory, nil, nil, nil)
 	if err != nil {
 		return
 	}
@@ -55,7 +63,7 @@ func TestConn_OnRemoteOffer(t *testing.T) {
 	defer func() {
 		_ = wgProxyFactory.Free()
 	}()
-	conn, err := NewConn(connConf, NewRecorder("https://mgm"), wgProxyFactory, nil, nil)
+	conn, err := NewConn(context.Background(), connConf, NewRecorder("https://mgm"), wgProxyFactory, nil, nil, nil)
 	if err != nil {
 		return
 	}
@@ -63,7 +71,7 @@ func TestConn_OnRemoteOffer(t *testing.T) {
 	wg := sync.WaitGroup{}
 	wg.Add(2)
 	go func() {
-		<-conn.remoteOffersCh
+		<-conn.handshaker.remoteOffersCh
 		wg.Done()
 	}()
 
@@ -92,7 +100,7 @@ func TestConn_OnRemoteAnswer(t *testing.T) {
 	defer func() {
 		_ = wgProxyFactory.Free()
 	}()
-	conn, err := NewConn(connConf, NewRecorder("https://mgm"), wgProxyFactory, nil, nil)
+	conn, err := NewConn(context.Background(), connConf, NewRecorder("https://mgm"), wgProxyFactory, nil, nil, nil)
 	if err != nil {
 		return
 	}
@@ -100,7 +108,7 @@ func TestConn_OnRemoteAnswer(t *testing.T) {
 	wg := sync.WaitGroup{}
 	wg.Add(2)
 	go func() {
-		<-conn.remoteAnswerCh
+		<-conn.handshaker.remoteAnswerCh
 		wg.Done()
 	}()
 
@@ -128,58 +136,33 @@ func TestConn_Status(t *testing.T) {
 	defer func() {
 		_ = wgProxyFactory.Free()
 	}()
-	conn, err := NewConn(connConf, NewRecorder("https://mgm"), wgProxyFactory, nil, nil)
+	conn, err := NewConn(context.Background(), connConf, NewRecorder("https://mgm"), wgProxyFactory, nil, nil, nil)
 	if err != nil {
 		return
 	}
 
 	tables := []struct {
-		name   string
-		status ConnStatus
-		want   ConnStatus
+		name        string
+		statusIce   ConnStatus
+		statusRelay ConnStatus
+		want        ConnStatus
 	}{
-		{"StatusConnected", StatusConnected, StatusConnected},
-		{"StatusDisconnected", StatusDisconnected, StatusDisconnected},
-		{"StatusConnecting", StatusConnecting, StatusConnecting},
+		{"StatusConnected", StatusConnected, StatusConnected, StatusConnected},
+		{"StatusDisconnected", StatusDisconnected, StatusDisconnected, StatusDisconnected},
+		{"StatusConnecting", StatusConnecting, StatusConnecting, StatusConnecting},
+		{"StatusConnectingIce", StatusConnecting, StatusDisconnected, StatusConnecting},
+		{"StatusConnectingIceAlternative", StatusConnecting, StatusConnected, StatusConnected},
+		{"StatusConnectingRelay", StatusDisconnected, StatusConnecting, StatusConnecting},
+		{"StatusConnectingRelayAlternative", StatusConnected, StatusConnecting, StatusConnected},
 	}
 
 	for _, table := range tables {
 		t.Run(table.name, func(t *testing.T) {
-			conn.status = table.status
+			conn.statusICE = table.statusIce
+			conn.statusRelay = table.statusRelay
 
 			got := conn.Status()
 			assert.Equal(t, got, table.want, "they should be equal")
 		})
 	}
 }
-
-func TestConn_Close(t *testing.T) {
-	wgProxyFactory := wgproxy.NewFactory(context.Background(), false, connConf.LocalWgPort)
-	defer func() {
-		_ = wgProxyFactory.Free()
-	}()
-	conn, err := NewConn(connConf, NewRecorder("https://mgm"), wgProxyFactory, nil, nil)
-	if err != nil {
-		return
-	}
-
-	wg := sync.WaitGroup{}
-	wg.Add(1)
-	go func() {
-		<-conn.closeCh
-		wg.Done()
-	}()
-
-	go func() {
-		for {
-			err := conn.Close()
-			if err != nil {
-				continue
-			} else {
-				return
-			}
-		}
-	}()
-
-	wg.Wait()
-}

client/internal/peer/handshaker.go

@@ -0,0 +1,191 @@
+package peer
+
+import (
+	"context"
+	"errors"
+	"sync"
+
+	log "github.com/sirupsen/logrus"
+
+	"github.com/netbirdio/netbird/version"
+)
+
+var (
+	ErrSignalIsNotReady = errors.New("signal is not ready")
+)
+
+// IceCredentials ICE protocol credentials struct
+type IceCredentials struct {
+	UFrag string
+	Pwd   string
+}
+
+// OfferAnswer represents a session establishment offer or answer
+type OfferAnswer struct {
+	IceCredentials IceCredentials
+	// WgListenPort is a remote WireGuard listen port.
+	// This field is used when establishing a direct WireGuard connection without any proxy.
+	// We can set the remote peer's endpoint with this port.
+	WgListenPort int
+
+	// Version of NetBird Agent
+	Version string
+	// RosenpassPubKey is the Rosenpass public key of the remote peer when receiving this message
+	// This value is the local Rosenpass server public key when sending the message
+	RosenpassPubKey []byte
+	// RosenpassAddr is the Rosenpass server address (IP:port) of the remote peer when receiving this message
+	// This value is the local Rosenpass server address when sending the message
+	RosenpassAddr string
+
+	// relay server address
+	RelaySrvAddress string
+}
+
+type Handshaker struct {
+	mu                  sync.Mutex
+	ctx                 context.Context
+	log                 *log.Entry
+	config              ConnConfig
+	signaler            *Signaler
+	ice                 *WorkerICE
+	relay               *WorkerRelay
+	onNewOfferListeners []func(*OfferAnswer)
+
+	// remoteOffersCh is a channel used to wait for remote credentials to proceed with the connection
+	remoteOffersCh chan OfferAnswer
+	// remoteAnswerCh is a channel used to wait for remote credentials answer (confirmation of our offer) to proceed with the connection
+	remoteAnswerCh chan OfferAnswer
+}
+
+func NewHandshaker(ctx context.Context, log *log.Entry, config ConnConfig, signaler *Signaler, ice *WorkerICE, relay *WorkerRelay) *Handshaker {
+	return &Handshaker{
+		ctx:            ctx,
+		log:            log,
+		config:         config,
+		signaler:       signaler,
+		ice:            ice,
+		relay:          relay,
+		remoteOffersCh: make(chan OfferAnswer),
+		remoteAnswerCh: make(chan OfferAnswer),
+	}
+}
+
+func (h *Handshaker) AddOnNewOfferListener(offer func(remoteOfferAnswer *OfferAnswer)) {
+	h.onNewOfferListeners = append(h.onNewOfferListeners, offer)
+}
+
+func (h *Handshaker) Listen() {
+	for {
+		h.log.Debugf("wait for remote offer confirmation")
+		remoteOfferAnswer, err := h.waitForRemoteOfferConfirmation()
+		if err != nil {
+			if _, ok := err.(*ConnectionClosedError); ok {
+				h.log.Tracef("stop handshaker")
+				return
+			}
+			h.log.Errorf("failed to received remote offer confirmation: %s", err)
+			continue
+		}
+
+		h.log.Debugf("received connection confirmation, running version %s and with remote WireGuard listen port %d", remoteOfferAnswer.Version, remoteOfferAnswer.WgListenPort)
+		for _, listener := range h.onNewOfferListeners {
+			go listener(remoteOfferAnswer)
+		}
+	}
+}
+
+func (h *Handshaker) SendOffer() error {
+	h.mu.Lock()
+	defer h.mu.Unlock()
+	return h.sendOffer()
+}
+
+// OnRemoteOffer handles an offer from the remote peer and returns true if the message was accepted, false otherwise
+// doesn't block, discards the message if connection wasn't ready
+func (h *Handshaker) OnRemoteOffer(offer OfferAnswer) bool {
+	select {
+	case h.remoteOffersCh <- offer:
+		return true
+	default:
+		h.log.Debugf("OnRemoteOffer skipping message because is not ready")
+		// connection might not be ready yet to receive so we ignore the message
+		return false
+	}
+}
+
+// OnRemoteAnswer handles an offer from the remote peer and returns true if the message was accepted, false otherwise
+// doesn't block, discards the message if connection wasn't ready
+func (h *Handshaker) OnRemoteAnswer(answer OfferAnswer) bool {
+	select {
+	case h.remoteAnswerCh <- answer:
+		return true
+	default:
+		// connection might not be ready yet to receive so we ignore the message
+		h.log.Debugf("OnRemoteAnswer skipping message because is not ready")
+		return false
+	}
+}
+
+func (h *Handshaker) waitForRemoteOfferConfirmation() (*OfferAnswer, error) {
+	select {
+	case remoteOfferAnswer := <-h.remoteOffersCh:
+		// received confirmation from the remote peer -> ready to proceed
+		err := h.sendAnswer()
+		if err != nil {
+			return nil, err
+		}
+		return &remoteOfferAnswer, nil
+	case remoteOfferAnswer := <-h.remoteAnswerCh:
+		return &remoteOfferAnswer, nil
+	case <-h.ctx.Done():
+		// closed externally
+		return nil, NewConnectionClosedError(h.config.Key)
+	}
+}
+
+// sendOffer prepares local user credentials and signals them to the remote peer
+func (h *Handshaker) sendOffer() error {
+	if !h.signaler.Ready() {
+		return ErrSignalIsNotReady
+	}
+
+	iceUFrag, icePwd := h.ice.GetLocalUserCredentials()
+	offer := OfferAnswer{
+		IceCredentials:  IceCredentials{iceUFrag, icePwd},
+		WgListenPort:    h.config.LocalWgPort,
+		Version:         version.NetbirdVersion(),
+		RosenpassPubKey: h.config.RosenpassPubKey,
+		RosenpassAddr:   h.config.RosenpassAddr,
+	}
+
+	addr, err := h.relay.RelayInstanceAddress()
+	if err == nil {
+		offer.RelaySrvAddress = addr
+	}
+
+	return h.signaler.SignalOffer(offer, h.config.Key)
+}
+
+func (h *Handshaker) sendAnswer() error {
+	h.log.Debugf("sending answer")
+	uFrag, pwd := h.ice.GetLocalUserCredentials()
+
+	answer := OfferAnswer{
+		IceCredentials:  IceCredentials{uFrag, pwd},
+		WgListenPort:    h.config.LocalWgPort,
+		Version:         version.NetbirdVersion(),
+		RosenpassPubKey: h.config.RosenpassPubKey,
+		RosenpassAddr:   h.config.RosenpassAddr,
+	}
+	addr, err := h.relay.RelayInstanceAddress()
+	if err == nil {
+		answer.RelaySrvAddress = addr
+	}
+
+	err = h.signaler.SignalAnswer(answer, h.config.Key)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}

client/internal/peer/signaler.go

@@ -0,0 +1,70 @@
+package peer
+
+import (
+	"github.com/pion/ice/v3"
+	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
+
+	signal "github.com/netbirdio/netbird/signal/client"
+	sProto "github.com/netbirdio/netbird/signal/proto"
+)
+
+type Signaler struct {
+	signal       signal.Client
+	wgPrivateKey wgtypes.Key
+}
+
+func NewSignaler(signal signal.Client, wgPrivateKey wgtypes.Key) *Signaler {
+	return &Signaler{
+		signal:       signal,
+		wgPrivateKey: wgPrivateKey,
+	}
+}
+
+func (s *Signaler) SignalOffer(offer OfferAnswer, remoteKey string) error {
+	return s.signalOfferAnswer(offer, remoteKey, sProto.Body_OFFER)
+}
+
+func (s *Signaler) SignalAnswer(offer OfferAnswer, remoteKey string) error {
+	return s.signalOfferAnswer(offer, remoteKey, sProto.Body_ANSWER)
+}
+
+func (s *Signaler) SignalICECandidate(candidate ice.Candidate, remoteKey string) error {
+	return s.signal.Send(&sProto.Message{
+		Key:       s.wgPrivateKey.PublicKey().String(),
+		RemoteKey: remoteKey,
+		Body: &sProto.Body{
+			Type:    sProto.Body_CANDIDATE,
+			Payload: candidate.Marshal(),
+		},
+	})
+}
+
+func (s *Signaler) Ready() bool {
+	return s.signal.Ready()
+}
+
+// SignalOfferAnswer signals either an offer or an answer to remote peer
+func (s *Signaler) signalOfferAnswer(offerAnswer OfferAnswer, remoteKey string, bodyType sProto.Body_Type) error {
+	msg, err := signal.MarshalCredential(
+		s.wgPrivateKey,
+		offerAnswer.WgListenPort,
+		remoteKey,
+		&signal.Credential{
+			UFrag: offerAnswer.IceCredentials.UFrag,
+			Pwd:   offerAnswer.IceCredentials.Pwd,
+		},
+		bodyType,
+		offerAnswer.RosenpassPubKey,
+		offerAnswer.RosenpassAddr,
+		offerAnswer.RelaySrvAddress)
+	if err != nil {
+		return err
+	}
+
+	err = s.signal.Send(msg)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}

client/internal/peer/status.go

@@ -13,6 +13,7 @@ import (
 	"github.com/netbirdio/netbird/client/internal/relay"
 	"github.com/netbirdio/netbird/iface"
 	"github.com/netbirdio/netbird/management/domain"
+	relayClient "github.com/netbirdio/netbird/relay/client"
 )
 
 // State contains the latest state of a peer
@@ -24,11 +25,11 @@ type State struct {
 	ConnStatus                 ConnStatus
 	ConnStatusUpdate           time.Time
 	Relayed                    bool
-	Direct                     bool
 	LocalIceCandidateType      string
 	RemoteIceCandidateType     string
 	LocalIceCandidateEndpoint  string
 	RemoteIceCandidateEndpoint string
+	RelayServerAddress         string
 	LastWireguardHandshake     time.Time
 	BytesTx                    int64
 	BytesRx                    int64
@@ -142,6 +143,8 @@ type Status struct {
 	// Some Peer actions mostly used by in a batch when the network map has been synchronized. In these type of events
 	// set to true this variable and at the end of the processing we will reset it by the FinishPeerListModifications()
 	peerListChangedForNotification bool
+
+	relayMgr *relayClient.Manager
 }
 
 // NewRecorder returns a new Status instance
@@ -156,6 +159,12 @@ func NewRecorder(mgmAddress string) *Status {
 	}
 }
 
+func (d *Status) SetRelayMgr(manager *relayClient.Manager) {
+	d.mux.Lock()
+	defer d.mux.Unlock()
+	d.relayMgr = manager
+}
+
 // ReplaceOfflinePeers replaces
 func (d *Status) ReplaceOfflinePeers(replacement []State) {
 	d.mux.Lock()
@@ -231,17 +240,17 @@ func (d *Status) UpdatePeerState(receivedState State) error {
 		peerState.SetRoutes(receivedState.GetRoutes())
 	}
 
-	skipNotification := shouldSkipNotify(receivedState, peerState)
+	skipNotification := shouldSkipNotify(receivedState.ConnStatus, peerState)
 
 	if receivedState.ConnStatus != peerState.ConnStatus {
 		peerState.ConnStatus = receivedState.ConnStatus
 		peerState.ConnStatusUpdate = receivedState.ConnStatusUpdate
-		peerState.Direct = receivedState.Direct
 		peerState.Relayed = receivedState.Relayed
 		peerState.LocalIceCandidateType = receivedState.LocalIceCandidateType
 		peerState.RemoteIceCandidateType = receivedState.RemoteIceCandidateType
 		peerState.LocalIceCandidateEndpoint = receivedState.LocalIceCandidateEndpoint
 		peerState.RemoteIceCandidateEndpoint = receivedState.RemoteIceCandidateEndpoint
+		peerState.RelayServerAddress = receivedState.RelayServerAddress
 		peerState.RosenpassEnabled = receivedState.RosenpassEnabled
 	}
 
@@ -261,6 +270,146 @@ func (d *Status) UpdatePeerState(receivedState State) error {
 	return nil
 }
 
+func (d *Status) UpdatePeerICEState(receivedState State) error {
+	d.mux.Lock()
+	defer d.mux.Unlock()
+
+	peerState, ok := d.peers[receivedState.PubKey]
+	if !ok {
+		return errors.New("peer doesn't exist")
+	}
+
+	if receivedState.IP != "" {
+		peerState.IP = receivedState.IP
+	}
+
+	skipNotification := shouldSkipNotify(receivedState.ConnStatus, peerState)
+
+	peerState.ConnStatus = receivedState.ConnStatus
+	peerState.ConnStatusUpdate = receivedState.ConnStatusUpdate
+	peerState.Relayed = receivedState.Relayed
+	peerState.LocalIceCandidateType = receivedState.LocalIceCandidateType
+	peerState.RemoteIceCandidateType = receivedState.RemoteIceCandidateType
+	peerState.LocalIceCandidateEndpoint = receivedState.LocalIceCandidateEndpoint
+	peerState.RemoteIceCandidateEndpoint = receivedState.RemoteIceCandidateEndpoint
+	peerState.RosenpassEnabled = receivedState.RosenpassEnabled
+
+	d.peers[receivedState.PubKey] = peerState
+
+	if skipNotification {
+		return nil
+	}
+
+	ch, found := d.changeNotify[receivedState.PubKey]
+	if found && ch != nil {
+		close(ch)
+		d.changeNotify[receivedState.PubKey] = nil
+	}
+
+	d.notifyPeerListChanged()
+	return nil
+}
+
+func (d *Status) UpdatePeerRelayedState(receivedState State) error {
+	d.mux.Lock()
+	defer d.mux.Unlock()
+
+	peerState, ok := d.peers[receivedState.PubKey]
+	if !ok {
+		return errors.New("peer doesn't exist")
+	}
+
+	skipNotification := shouldSkipNotify(receivedState.ConnStatus, peerState)
+
+	peerState.ConnStatus = receivedState.ConnStatus
+	peerState.ConnStatusUpdate = receivedState.ConnStatusUpdate
+	peerState.Relayed = receivedState.Relayed
+	peerState.RelayServerAddress = receivedState.RelayServerAddress
+	peerState.RosenpassEnabled = receivedState.RosenpassEnabled
+
+	d.peers[receivedState.PubKey] = peerState
+
+	if skipNotification {
+		return nil
+	}
+
+	ch, found := d.changeNotify[receivedState.PubKey]
+	if found && ch != nil {
+		close(ch)
+		d.changeNotify[receivedState.PubKey] = nil
+	}
+
+	d.notifyPeerListChanged()
+	return nil
+}
+
+func (d *Status) UpdatePeerRelayedStateToDisconnected(receivedState State) error {
+	d.mux.Lock()
+	defer d.mux.Unlock()
+
+	peerState, ok := d.peers[receivedState.PubKey]
+	if !ok {
+		return errors.New("peer doesn't exist")
+	}
+
+	skipNotification := shouldSkipNotify(receivedState.ConnStatus, peerState)
+
+	peerState.ConnStatus = receivedState.ConnStatus
+	peerState.Relayed = receivedState.Relayed
+	peerState.ConnStatusUpdate = receivedState.ConnStatusUpdate
+	peerState.RelayServerAddress = ""
+
+	d.peers[receivedState.PubKey] = peerState
+
+	if skipNotification {
+		return nil
+	}
+
+	ch, found := d.changeNotify[receivedState.PubKey]
+	if found && ch != nil {
+		close(ch)
+		d.changeNotify[receivedState.PubKey] = nil
+	}
+
+	d.notifyPeerListChanged()
+	return nil
+}
+
+func (d *Status) UpdatePeerICEStateToDisconnected(receivedState State) error {
+	d.mux.Lock()
+	defer d.mux.Unlock()
+
+	peerState, ok := d.peers[receivedState.PubKey]
+	if !ok {
+		return errors.New("peer doesn't exist")
+	}
+
+	skipNotification := shouldSkipNotify(receivedState.ConnStatus, peerState)
+
+	peerState.ConnStatus = receivedState.ConnStatus
+	peerState.Relayed = receivedState.Relayed
+	peerState.ConnStatusUpdate = receivedState.ConnStatusUpdate
+	peerState.LocalIceCandidateType = receivedState.LocalIceCandidateType
+	peerState.RemoteIceCandidateType = receivedState.RemoteIceCandidateType
+	peerState.LocalIceCandidateEndpoint = receivedState.LocalIceCandidateEndpoint
+	peerState.RemoteIceCandidateEndpoint = receivedState.RemoteIceCandidateEndpoint
+
+	d.peers[receivedState.PubKey] = peerState
+
+	if skipNotification {
+		return nil
+	}
+
+	ch, found := d.changeNotify[receivedState.PubKey]
+	if found && ch != nil {
+		close(ch)
+		d.changeNotify[receivedState.PubKey] = nil
+	}
+
+	d.notifyPeerListChanged()
+	return nil
+}
+
 // UpdateWireGuardPeerState updates the WireGuard bits of the peer state
 func (d *Status) UpdateWireGuardPeerState(pubKey string, wgStats iface.WGStats) error {
 	d.mux.Lock()
@@ -280,13 +429,13 @@ func (d *Status) UpdateWireGuardPeerState(pubKey string, wgStats iface.WGStats)
 	return nil
 }
 
-func shouldSkipNotify(received, curr State) bool {
+func shouldSkipNotify(receivedConnStatus ConnStatus, curr State) bool {
 	switch {
-	case received.ConnStatus == StatusConnecting:
+	case receivedConnStatus == StatusConnecting:
 		return true
-	case received.ConnStatus == StatusDisconnected && curr.ConnStatus == StatusConnecting:
+	case receivedConnStatus == StatusDisconnected && curr.ConnStatus == StatusConnecting:
 		return true
-	case received.ConnStatus == StatusDisconnected && curr.ConnStatus == StatusDisconnected:
+	case receivedConnStatus == StatusDisconnected && curr.ConnStatus == StatusDisconnected:
 		return curr.IP != ""
 	default:
 		return false
@@ -503,7 +652,28 @@ func (d *Status) GetSignalState() SignalState {
 }
 
 func (d *Status) GetRelayStates() []relay.ProbeResult {
-	return d.relayStates
+	if d.relayMgr == nil {
+		return d.relayStates
+	}
+
+	// extend the list of stun, turn servers with relay address
+	relaysState := make([]relay.ProbeResult, len(d.relayStates), len(d.relayStates)+1)
+	copy(relaysState, d.relayStates)
+
+	relayState := relay.ProbeResult{}
+
+	// if the server connection is not established then we will use the general address
+	// in case of connection we will use the instance specific address
+	instanceAddr, err := d.relayMgr.RelayInstanceAddress()
+	if err != nil {
+		relayState.URI = d.relayMgr.ServerURL()
+		relayState.Err = err
+	} else {
+		relayState.URI = instanceAddr
+	}
+
+	relaysState = append(relaysState, relayState)
+	return relaysState
 }
 
 func (d *Status) GetDNSStates() []NSGroupState {
@@ -535,7 +705,6 @@ func (d *Status) GetFullStatus() FullStatus {
 	}
 
 	fullStatus.Peers = append(fullStatus.Peers, d.offlinePeers...)
-
 	return fullStatus
 }
 

client/internal/peer/status_test.go

@@ -2,8 +2,8 @@ package peer
 
 import (
 	"errors"
-	"testing"
 	"sync"
+	"testing"
 
 	"github.com/stretchr/testify/assert"
 )
@@ -43,7 +43,7 @@ func TestUpdatePeerState(t *testing.T) {
 	status := NewRecorder("https://mgm")
 	peerState := State{
 		PubKey: key,
-		Mux:	new(sync.RWMutex),
+		Mux:    new(sync.RWMutex),
 	}
 
 	status.peers[key] = peerState
@@ -64,7 +64,7 @@ func TestStatus_UpdatePeerFQDN(t *testing.T) {
 	status := NewRecorder("https://mgm")
 	peerState := State{
 		PubKey: key,
-		Mux:	new(sync.RWMutex),
+		Mux:    new(sync.RWMutex),
 	}
 
 	status.peers[key] = peerState
@@ -83,7 +83,7 @@ func TestGetPeerStateChangeNotifierLogic(t *testing.T) {
 	status := NewRecorder("https://mgm")
 	peerState := State{
 		PubKey: key,
-		Mux:	new(sync.RWMutex),
+		Mux:    new(sync.RWMutex),
 	}
 
 	status.peers[key] = peerState
@@ -108,7 +108,7 @@ func TestRemovePeer(t *testing.T) {
 	status := NewRecorder("https://mgm")
 	peerState := State{
 		PubKey: key,
-		Mux:	new(sync.RWMutex),
+		Mux:    new(sync.RWMutex),
 	}
 
 	status.peers[key] = peerState

client/internal/peer/stdnet.go

@@ -6,6 +6,6 @@ import (
 	"github.com/netbirdio/netbird/client/internal/stdnet"
 )
 
-func (conn *Conn) newStdNet() (*stdnet.Net, error) {
-	return stdnet.NewNet(conn.config.InterfaceBlackList)
+func (w *WorkerICE) newStdNet() (*stdnet.Net, error) {
+	return stdnet.NewNet(w.config.ICEConfig.InterfaceBlackList)
 }

client/internal/peer/stdnet_android.go

@@ -2,6 +2,6 @@ package peer
 
 import "github.com/netbirdio/netbird/client/internal/stdnet"
 
-func (conn *Conn) newStdNet() (*stdnet.Net, error) {
-	return stdnet.NewNetWithDiscover(conn.iFaceDiscover, conn.config.InterfaceBlackList)
+func (w *WorkerICE) newStdNet() (*stdnet.Net, error) {
+	return stdnet.NewNetWithDiscover(w.iFaceDiscover, w.config.ICEConfig.InterfaceBlackList)
 }

client/internal/peer/worker_ice.go

@@ -0,0 +1,457 @@
+package peer
+
+import (
+	"context"
+	"fmt"
+	"net"
+	"net/netip"
+	"runtime"
+	"sync"
+	"sync/atomic"
+	"time"
+
+	"github.com/pion/ice/v3"
+	"github.com/pion/randutil"
+	"github.com/pion/stun/v2"
+	log "github.com/sirupsen/logrus"
+
+	"github.com/netbirdio/netbird/client/internal/stdnet"
+	"github.com/netbirdio/netbird/iface"
+	"github.com/netbirdio/netbird/iface/bind"
+	"github.com/netbirdio/netbird/route"
+)
+
+const (
+	iceKeepAliveDefault           = 4 * time.Second
+	iceDisconnectedTimeoutDefault = 6 * time.Second
+	// iceRelayAcceptanceMinWaitDefault is the same as in the Pion ICE package
+	iceRelayAcceptanceMinWaitDefault = 2 * time.Second
+
+	lenUFrag   = 16
+	lenPwd     = 32
+	runesAlpha = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
+)
+
+var (
+	failedTimeout = 6 * time.Second
+)
+
+type ICEConfig struct {
+	// StunTurn is a list of STUN and TURN URLs
+	StunTurn *atomic.Value // []*stun.URI
+
+	// InterfaceBlackList is a list of machine interfaces that should be filtered out by ICE Candidate gathering
+	// (e.g. if eth0 is in the list, host candidate of this interface won't be used)
+	InterfaceBlackList   []string
+	DisableIPv6Discovery bool
+
+	UDPMux      ice.UDPMux
+	UDPMuxSrflx ice.UniversalUDPMux
+
+	NATExternalIPs []string
+}
+
+type ICEConnInfo struct {
+	RemoteConn                 net.Conn
+	RosenpassPubKey            []byte
+	RosenpassAddr              string
+	LocalIceCandidateType      string
+	RemoteIceCandidateType     string
+	RemoteIceCandidateEndpoint string
+	LocalIceCandidateEndpoint  string
+	Relayed                    bool
+	RelayedOnLocal             bool
+}
+
+type WorkerICECallbacks struct {
+	OnConnReady     func(ConnPriority, ICEConnInfo)
+	OnStatusChanged func(ConnStatus)
+}
+
+type WorkerICE struct {
+	ctx               context.Context
+	log               *log.Entry
+	config            ConnConfig
+	signaler          *Signaler
+	iFaceDiscover     stdnet.ExternalIFaceDiscover
+	statusRecorder    *Status
+	hasRelayOnLocally bool
+	conn              WorkerICECallbacks
+
+	selectedPriority ConnPriority
+
+	agent    *ice.Agent
+	muxAgent sync.Mutex
+
+	StunTurn []*stun.URI
+
+	sentExtraSrflx bool
+
+	localUfrag string
+	localPwd   string
+}
+
+func NewWorkerICE(ctx context.Context, log *log.Entry, config ConnConfig, signaler *Signaler, ifaceDiscover stdnet.ExternalIFaceDiscover, statusRecorder *Status, hasRelayOnLocally bool, callBacks WorkerICECallbacks) (*WorkerICE, error) {
+	w := &WorkerICE{
+		ctx:               ctx,
+		log:               log,
+		config:            config,
+		signaler:          signaler,
+		iFaceDiscover:     ifaceDiscover,
+		statusRecorder:    statusRecorder,
+		hasRelayOnLocally: hasRelayOnLocally,
+		conn:              callBacks,
+	}
+
+	localUfrag, localPwd, err := generateICECredentials()
+	if err != nil {
+		return nil, err
+	}
+	w.localUfrag = localUfrag
+	w.localPwd = localPwd
+	return w, nil
+}
+
+func (w *WorkerICE) OnNewOffer(remoteOfferAnswer *OfferAnswer) {
+	w.log.Debugf("OnNewOffer for ICE")
+	w.muxAgent.Lock()
+
+	if w.agent != nil {
+		w.log.Debugf("agent already exists, skipping the offer")
+		w.muxAgent.Unlock()
+		return
+	}
+
+	var preferredCandidateTypes []ice.CandidateType
+	if w.hasRelayOnLocally && remoteOfferAnswer.RelaySrvAddress != "" {
+		w.selectedPriority = connPriorityICEP2P
+		preferredCandidateTypes = candidateTypesP2P()
+	} else {
+		w.selectedPriority = connPriorityICETurn
+		preferredCandidateTypes = candidateTypes()
+	}
+
+	w.log.Debugf("recreate ICE agent")
+	agentCtx, agentCancel := context.WithCancel(w.ctx)
+	agent, err := w.reCreateAgent(agentCancel, preferredCandidateTypes)
+	if err != nil {
+		w.log.Errorf("failed to recreate ICE Agent: %s", err)
+		w.muxAgent.Unlock()
+		return
+	}
+	w.agent = agent
+	w.muxAgent.Unlock()
+
+	w.log.Debugf("gather candidates")
+	err = w.agent.GatherCandidates()
+	if err != nil {
+		w.log.Debugf("failed to gather candidates: %s", err)
+		return
+	}
+
+	// will block until connection succeeded
+	// but it won't release if ICE Agent went into Disconnected or Failed state,
+	// so we have to cancel it with the provided context once agent detected a broken connection
+	w.log.Debugf("turn agent dial")
+	remoteConn, err := w.turnAgentDial(agentCtx, remoteOfferAnswer)
+	if err != nil {
+		w.log.Debugf("failed to dial the remote peer: %s", err)
+		return
+	}
+	w.log.Debugf("agent dial succeeded")
+
+	pair, err := w.agent.GetSelectedCandidatePair()
+	if err != nil {
+		return
+	}
+
+	if !isRelayCandidate(pair.Local) {
+		// dynamically set remote WireGuard port if other side specified a different one from the default one
+		remoteWgPort := iface.DefaultWgPort
+		if remoteOfferAnswer.WgListenPort != 0 {
+			remoteWgPort = remoteOfferAnswer.WgListenPort
+		}
+
+		// To support old version's with direct mode we attempt to punch an additional role with the remote WireGuard port
+		go w.punchRemoteWGPort(pair, remoteWgPort)
+	}
+
+	ci := ICEConnInfo{
+		RemoteConn:                 remoteConn,
+		RosenpassPubKey:            remoteOfferAnswer.RosenpassPubKey,
+		RosenpassAddr:              remoteOfferAnswer.RosenpassAddr,
+		LocalIceCandidateType:      pair.Local.Type().String(),
+		RemoteIceCandidateType:     pair.Remote.Type().String(),
+		LocalIceCandidateEndpoint:  fmt.Sprintf("%s:%d", pair.Local.Address(), pair.Local.Port()),
+		RemoteIceCandidateEndpoint: fmt.Sprintf("%s:%d", pair.Remote.Address(), pair.Remote.Port()),
+		Relayed:                    isRelayed(pair),
+		RelayedOnLocal:             isRelayCandidate(pair.Local),
+	}
+	w.log.Debugf("on ICE conn read to use ready")
+	go w.conn.OnConnReady(w.selectedPriority, ci)
+}
+
+// OnRemoteCandidate Handles ICE connection Candidate provided by the remote peer.
+func (w *WorkerICE) OnRemoteCandidate(candidate ice.Candidate, haRoutes route.HAMap) {
+	w.muxAgent.Lock()
+	defer w.muxAgent.Unlock()
+	w.log.Debugf("OnRemoteCandidate from peer %s -> %s", w.config.Key, candidate.String())
+	if w.agent == nil {
+		w.log.Warnf("ICE Agent is not initialized yet")
+		return
+	}
+
+	if candidateViaRoutes(candidate, haRoutes) {
+		return
+	}
+
+	err := w.agent.AddRemoteCandidate(candidate)
+	if err != nil {
+		w.log.Errorf("error while handling remote candidate")
+		return
+	}
+}
+
+func (w *WorkerICE) GetLocalUserCredentials() (frag string, pwd string) {
+	w.muxAgent.Lock()
+	defer w.muxAgent.Unlock()
+	return w.localUfrag, w.localPwd
+}
+
+func (w *WorkerICE) reCreateAgent(agentCancel context.CancelFunc, relaySupport []ice.CandidateType) (*ice.Agent, error) {
+	transportNet, err := w.newStdNet()
+	if err != nil {
+		w.log.Errorf("failed to create pion's stdnet: %s", err)
+	}
+
+	iceKeepAlive := iceKeepAlive()
+	iceDisconnectedTimeout := iceDisconnectedTimeout()
+	iceRelayAcceptanceMinWait := iceRelayAcceptanceMinWait()
+
+	agentConfig := &ice.AgentConfig{
+		MulticastDNSMode:       ice.MulticastDNSModeDisabled,
+		NetworkTypes:           []ice.NetworkType{ice.NetworkTypeUDP4, ice.NetworkTypeUDP6},
+		Urls:                   w.config.ICEConfig.StunTurn.Load().([]*stun.URI),
+		CandidateTypes:         relaySupport,
+		InterfaceFilter:        stdnet.InterfaceFilter(w.config.ICEConfig.InterfaceBlackList),
+		UDPMux:                 w.config.ICEConfig.UDPMux,
+		UDPMuxSrflx:            w.config.ICEConfig.UDPMuxSrflx,
+		NAT1To1IPs:             w.config.ICEConfig.NATExternalIPs,
+		Net:                    transportNet,
+		FailedTimeout:          &failedTimeout,
+		DisconnectedTimeout:    &iceDisconnectedTimeout,
+		KeepaliveInterval:      &iceKeepAlive,
+		RelayAcceptanceMinWait: &iceRelayAcceptanceMinWait,
+		LocalUfrag:             w.localUfrag,
+		LocalPwd:               w.localPwd,
+	}
+
+	if w.config.ICEConfig.DisableIPv6Discovery {
+		agentConfig.NetworkTypes = []ice.NetworkType{ice.NetworkTypeUDP4}
+	}
+
+	w.sentExtraSrflx = false
+	agent, err := ice.NewAgent(agentConfig)
+	if err != nil {
+		return nil, err
+	}
+
+	err = agent.OnCandidate(w.onICECandidate)
+	if err != nil {
+		return nil, err
+	}
+
+	err = agent.OnConnectionStateChange(func(state ice.ConnectionState) {
+		w.log.Debugf("ICE ConnectionState has changed to %s", state.String())
+		if state == ice.ConnectionStateFailed || state == ice.ConnectionStateDisconnected {
+			w.conn.OnStatusChanged(StatusDisconnected)
+
+			w.muxAgent.Lock()
+			agentCancel()
+			_ = agent.Close()
+			w.agent = nil
+
+			w.muxAgent.Unlock()
+		}
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	err = agent.OnSelectedCandidatePairChange(w.onICESelectedCandidatePair)
+	if err != nil {
+		return nil, err
+	}
+
+	err = agent.OnSuccessfulSelectedPairBindingResponse(func(p *ice.CandidatePair) {
+		err := w.statusRecorder.UpdateLatency(w.config.Key, p.Latency())
+		if err != nil {
+			w.log.Debugf("failed to update latency for peer: %s", err)
+			return
+		}
+	})
+	if err != nil {
+		return nil, fmt.Errorf("failed setting binding response callback: %w", err)
+	}
+
+	return agent, nil
+}
+
+func (w *WorkerICE) punchRemoteWGPort(pair *ice.CandidatePair, remoteWgPort int) {
+	// wait local endpoint configuration
+	time.Sleep(time.Second)
+	addr, err := net.ResolveUDPAddr("udp", fmt.Sprintf("%s:%d", pair.Remote.Address(), remoteWgPort))
+	if err != nil {
+		w.log.Warnf("got an error while resolving the udp address, err: %s", err)
+		return
+	}
+
+	mux, ok := w.config.ICEConfig.UDPMuxSrflx.(*bind.UniversalUDPMuxDefault)
+	if !ok {
+		w.log.Warn("invalid udp mux conversion")
+		return
+	}
+	_, err = mux.GetSharedConn().WriteTo([]byte{0x6e, 0x62}, addr)
+	if err != nil {
+		w.log.Warnf("got an error while sending the punch packet, err: %s", err)
+	}
+}
+
+// onICECandidate is a callback attached to an ICE Agent to receive new local connection candidates
+// and then signals them to the remote peer
+func (w *WorkerICE) onICECandidate(candidate ice.Candidate) {
+	// nil means candidate gathering has been ended
+	if candidate == nil {
+		return
+	}
+
+	// TODO: reported port is incorrect for CandidateTypeHost, makes understanding ICE use via logs confusing as port is ignored
+	w.log.Debugf("discovered local candidate %s", candidate.String())
+	go func() {
+		err := w.signaler.SignalICECandidate(candidate, w.config.Key)
+		if err != nil {
+			w.log.Errorf("failed signaling candidate to the remote peer %s %s", w.config.Key, err)
+		}
+	}()
+
+	if !w.shouldSendExtraSrflxCandidate(candidate) {
+		return
+	}
+
+	// sends an extra server reflexive candidate to the remote peer with our related port (usually the wireguard port)
+	// this is useful when network has an existing port forwarding rule for the wireguard port and this peer
+	extraSrflx, err := extraSrflxCandidate(candidate)
+	if err != nil {
+		w.log.Errorf("failed creating extra server reflexive candidate %s", err)
+		return
+	}
+	w.sentExtraSrflx = true
+
+	go func() {
+		err = w.signaler.SignalICECandidate(extraSrflx, w.config.Key)
+		if err != nil {
+			w.log.Errorf("failed signaling the extra server reflexive candidate: %s", err)
+		}
+	}()
+}
+
+func (w *WorkerICE) onICESelectedCandidatePair(c1 ice.Candidate, c2 ice.Candidate) {
+	w.log.Debugf("selected candidate pair [local <-> remote] -> [%s <-> %s], peer %s", c1.String(), c2.String(),
+		w.config.Key)
+}
+
+func (w *WorkerICE) shouldSendExtraSrflxCandidate(candidate ice.Candidate) bool {
+	if !w.sentExtraSrflx && candidate.Type() == ice.CandidateTypeServerReflexive && candidate.Port() != candidate.RelatedAddress().Port {
+		return true
+	}
+	return false
+}
+
+func (w *WorkerICE) turnAgentDial(ctx context.Context, remoteOfferAnswer *OfferAnswer) (*ice.Conn, error) {
+	isControlling := w.config.LocalKey > w.config.Key
+	if isControlling {
+		return w.agent.Dial(ctx, remoteOfferAnswer.IceCredentials.UFrag, remoteOfferAnswer.IceCredentials.Pwd)
+	} else {
+		return w.agent.Accept(ctx, remoteOfferAnswer.IceCredentials.UFrag, remoteOfferAnswer.IceCredentials.Pwd)
+	}
+}
+
+func extraSrflxCandidate(candidate ice.Candidate) (*ice.CandidateServerReflexive, error) {
+	relatedAdd := candidate.RelatedAddress()
+	return ice.NewCandidateServerReflexive(&ice.CandidateServerReflexiveConfig{
+		Network:   candidate.NetworkType().String(),
+		Address:   candidate.Address(),
+		Port:      relatedAdd.Port,
+		Component: candidate.Component(),
+		RelAddr:   relatedAdd.Address,
+		RelPort:   relatedAdd.Port,
+	})
+}
+
+func candidateViaRoutes(candidate ice.Candidate, clientRoutes route.HAMap) bool {
+	var routePrefixes []netip.Prefix
+	for _, routes := range clientRoutes {
+		if len(routes) > 0 && routes[0] != nil {
+			routePrefixes = append(routePrefixes, routes[0].Network)
+		}
+	}
+
+	addr, err := netip.ParseAddr(candidate.Address())
+	if err != nil {
+		log.Errorf("Failed to parse IP address %s: %v", candidate.Address(), err)
+		return false
+	}
+
+	for _, prefix := range routePrefixes {
+		// default route is
+		if prefix.Bits() == 0 {
+			continue
+		}
+
+		if prefix.Contains(addr) {
+			log.Debugf("Ignoring candidate [%s], its address is part of routed network %s", candidate.String(), prefix)
+			return true
+		}
+	}
+	return false
+}
+
+func candidateTypes() []ice.CandidateType {
+	if hasICEForceRelayConn() {
+		return []ice.CandidateType{ice.CandidateTypeRelay}
+	}
+	// TODO: remove this once we have refactored userspace proxy into the bind package
+	if runtime.GOOS == "ios" {
+		return []ice.CandidateType{ice.CandidateTypeHost, ice.CandidateTypeServerReflexive}
+	}
+	return []ice.CandidateType{ice.CandidateTypeHost, ice.CandidateTypeServerReflexive, ice.CandidateTypeRelay}
+}
+
+func candidateTypesP2P() []ice.CandidateType {
+	return []ice.CandidateType{ice.CandidateTypeHost, ice.CandidateTypeServerReflexive}
+}
+
+func isRelayCandidate(candidate ice.Candidate) bool {
+	return candidate.Type() == ice.CandidateTypeRelay
+}
+
+func isRelayed(pair *ice.CandidatePair) bool {
+	if pair.Local.Type() == ice.CandidateTypeRelay || pair.Remote.Type() == ice.CandidateTypeRelay {
+		return true
+	}
+	return false
+}
+
+func generateICECredentials() (string, string, error) {
+	ufrag, err := randutil.GenerateCryptoRandomString(lenUFrag, runesAlpha)
+	if err != nil {
+		return "", "", err
+	}
+
+	pwd, err := randutil.GenerateCryptoRandomString(lenPwd, runesAlpha)
+	if err != nil {
+		return "", "", err
+	}
+	return ufrag, pwd, nil
+
+}

client/internal/peer/worker_relay.go

@@ -0,0 +1,173 @@
+package peer
+
+import (
+	"context"
+	"errors"
+	"net"
+	"sync/atomic"
+	"time"
+
+	log "github.com/sirupsen/logrus"
+
+	relayClient "github.com/netbirdio/netbird/relay/client"
+)
+
+var (
+	wgHandshakePeriod   = 2 * time.Minute
+	wgHandshakeOvertime = 30000 * time.Millisecond
+)
+
+type RelayConnInfo struct {
+	relayedConn     net.Conn
+	rosenpassPubKey []byte
+	rosenpassAddr   string
+}
+
+type WorkerRelayCallbacks struct {
+	OnConnReady    func(RelayConnInfo)
+	OnDisconnected func()
+}
+
+type WorkerRelay struct {
+	parentCtx    context.Context
+	log          *log.Entry
+	config       ConnConfig
+	relayManager relayClient.ManagerService
+	conn         WorkerRelayCallbacks
+
+	ctxCancel                  context.CancelFunc
+	relaySupportedOnRemotePeer atomic.Bool
+}
+
+func NewWorkerRelay(ctx context.Context, log *log.Entry, config ConnConfig, relayManager relayClient.ManagerService, callbacks WorkerRelayCallbacks) *WorkerRelay {
+	r := &WorkerRelay{
+		parentCtx:    ctx,
+		log:          log,
+		config:       config,
+		relayManager: relayManager,
+		conn:         callbacks,
+	}
+	return r
+}
+
+func (w *WorkerRelay) OnNewOffer(remoteOfferAnswer *OfferAnswer) {
+	if !w.isRelaySupported(remoteOfferAnswer) {
+		w.log.Infof("Relay is not supported by remote peer")
+		w.relaySupportedOnRemotePeer.Store(false)
+		return
+	}
+	w.relaySupportedOnRemotePeer.Store(true)
+
+	// the relayManager will return with error in case if the connection has lost with relay server
+	currentRelayAddress, err := w.relayManager.RelayInstanceAddress()
+	if err != nil {
+		w.log.Errorf("failed to handle new offer: %s", err)
+		return
+	}
+
+	srv := w.preferredRelayServer(currentRelayAddress, remoteOfferAnswer.RelaySrvAddress)
+
+	relayedConn, err := w.relayManager.OpenConn(srv, w.config.Key)
+	if err != nil {
+		// todo handle all type errors
+		if errors.Is(err, relayClient.ErrConnAlreadyExists) {
+			w.log.Infof("do not need to reopen relay connection")
+			return
+		}
+		w.log.Errorf("failed to open connection via Relay: %s", err)
+		return
+	}
+
+	ctx, ctxCancel := context.WithCancel(w.parentCtx)
+	w.ctxCancel = ctxCancel
+
+	err = w.relayManager.AddCloseListener(srv, w.disconnected)
+	if err != nil {
+		log.Errorf("failed to add close listener: %s", err)
+		_ = relayedConn.Close()
+		ctxCancel()
+		return
+	}
+
+	go w.wgStateCheck(ctx, relayedConn)
+
+	w.log.Debugf("peer conn opened via Relay: %s", srv)
+	go w.conn.OnConnReady(RelayConnInfo{
+		relayedConn:     relayedConn,
+		rosenpassPubKey: remoteOfferAnswer.RosenpassPubKey,
+		rosenpassAddr:   remoteOfferAnswer.RosenpassAddr,
+	})
+}
+
+func (w *WorkerRelay) RelayInstanceAddress() (string, error) {
+	return w.relayManager.RelayInstanceAddress()
+}
+
+func (w *WorkerRelay) IsRelayConnectionSupportedWithPeer() bool {
+	return w.relaySupportedOnRemotePeer.Load() && w.RelayIsSupportedLocally()
+}
+
+func (w *WorkerRelay) IsController() bool {
+	return w.config.LocalKey > w.config.Key
+}
+
+func (w *WorkerRelay) RelayIsSupportedLocally() bool {
+	return w.relayManager.HasRelayAddress()
+}
+
+// wgStateCheck help to check the state of the wireguard handshake and relay connection
+func (w *WorkerRelay) wgStateCheck(ctx context.Context, conn net.Conn) {
+	timer := time.NewTimer(wgHandshakeOvertime)
+	defer timer.Stop()
+	for {
+		select {
+		case <-timer.C:
+			lastHandshake, err := w.wgState()
+			if err != nil {
+				w.log.Errorf("failed to read wg stats: %v", err)
+				continue
+			}
+			w.log.Tracef("last handshake: %v", lastHandshake)
+
+			if time.Since(lastHandshake) > wgHandshakePeriod {
+				w.log.Infof("Wireguard handshake timed out, closing relay connection")
+				_ = conn.Close()
+				w.conn.OnDisconnected()
+				return
+			}
+			resetTime := time.Until(lastHandshake.Add(wgHandshakeOvertime + wgHandshakePeriod))
+			timer.Reset(resetTime)
+		case <-ctx.Done():
+			return
+		}
+	}
+}
+
+func (w *WorkerRelay) isRelaySupported(answer *OfferAnswer) bool {
+	if !w.relayManager.HasRelayAddress() {
+		return false
+	}
+	return answer.RelaySrvAddress != ""
+}
+
+func (w *WorkerRelay) preferredRelayServer(myRelayAddress, remoteRelayAddress string) string {
+	if w.IsController() {
+		return myRelayAddress
+	}
+	return remoteRelayAddress
+}
+
+func (w *WorkerRelay) wgState() (time.Time, error) {
+	wgState, err := w.config.WgConfig.WgInterface.GetStats(w.config.Key)
+	if err != nil {
+		return time.Time{}, err
+	}
+	return wgState.LastHandshake, nil
+}
+
+func (w *WorkerRelay) disconnected() {
+	if w.ctxCancel != nil {
+		w.ctxCancel()
+	}
+	w.conn.OnDisconnected()
+}

client/internal/pkce_auth.go

@@ -2,6 +2,7 @@ package internal
 
 import (
 	"context"
+	"crypto/tls"
 	"fmt"
 	"net/url"
 
@@ -36,10 +37,12 @@ type PKCEAuthProviderConfig struct {
 	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
 }
 
 // GetPKCEAuthorizationFlowInfo initialize a PKCEAuthorizationFlow instance and return with it
-func GetPKCEAuthorizationFlowInfo(ctx context.Context, privateKey string, mgmURL *url.URL) (PKCEAuthorizationFlow, error) {
+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 {
@@ -93,6 +96,7 @@ func GetPKCEAuthorizationFlowInfo(ctx context.Context, privateKey string, mgmURL
 			Scope:                 protoPKCEAuthorizationFlow.GetProviderConfig().GetScope(),
 			RedirectURLs:          protoPKCEAuthorizationFlow.GetProviderConfig().GetRedirectURLs(),
 			UseIDToken:            protoPKCEAuthorizationFlow.GetProviderConfig().GetUseIDToken(),
+			ClientCertPair:        clientCert,
 		},
 	}
 

client/internal/relay/relay.go

@@ -17,7 +17,7 @@ import (
 
 // ProbeResult holds the info about the result of a relay probe request
 type ProbeResult struct {
-	URI  *stun.URI
+	URI  string
 	Err  error
 	Addr string
 }
@@ -176,7 +176,7 @@ func ProbeAll(
 		wg.Add(1)
 		go func(res *ProbeResult, stunURI *stun.URI) {
 			defer wg.Done()
-			res.URI = stunURI
+			res.URI = stunURI.String()
 			res.Addr, res.Err = fn(ctx, stunURI)
 		}(&results[i], uri)
 	}

client/internal/routemanager/client.go

@@ -22,7 +22,6 @@ import (
 type routerPeerStatus struct {
 	connected bool
 	relayed   bool
-	direct    bool
 	latency   time.Duration
 }
 
@@ -44,7 +43,7 @@ type clientNetwork struct {
 	ctx                 context.Context
 	cancel              context.CancelFunc
 	statusRecorder      *peer.Status
-	wgInterface         *iface.WGIface
+	wgInterface         iface.IWGIface
 	routes              map[route.ID]*route.Route
 	routeUpdate         chan routesUpdate
 	peerStateUpdate     chan struct{}
@@ -54,7 +53,7 @@ type clientNetwork struct {
 	updateSerial        uint64
 }
 
-func newClientNetworkWatcher(ctx context.Context, dnsRouteInterval time.Duration, wgInterface *iface.WGIface, statusRecorder *peer.Status, rt *route.Route, routeRefCounter *refcounter.RouteRefCounter, allowedIPsRefCounter *refcounter.AllowedIPsRefCounter) *clientNetwork {
+func newClientNetworkWatcher(ctx context.Context, dnsRouteInterval time.Duration, wgInterface iface.IWGIface, statusRecorder *peer.Status, rt *route.Route, routeRefCounter *refcounter.RouteRefCounter, allowedIPsRefCounter *refcounter.AllowedIPsRefCounter) *clientNetwork {
 	ctx, cancel := context.WithCancel(ctx)
 
 	client := &clientNetwork{
@@ -82,7 +81,6 @@ func (c *clientNetwork) getRouterPeerStatuses() map[route.ID]routerPeerStatus {
 		routePeerStatuses[r.ID] = routerPeerStatus{
 			connected: peerStatus.ConnStatus == peer.StatusConnected,
 			relayed:   peerStatus.Relayed,
-			direct:    peerStatus.Direct,
 			latency:   peerStatus.Latency,
 		}
 	}
@@ -137,10 +135,6 @@ func (c *clientNetwork) getBestRouteFromStatuses(routePeerStatuses map[route.ID]
 			tempScore++
 		}
 
-		if peerStatus.direct {
-			tempScore++
-		}
-
 		if tempScore > chosenScore || (tempScore == chosenScore && chosen == "") {
 			chosen = r.ID
 			chosenScore = tempScore
@@ -384,7 +378,7 @@ func (c *clientNetwork) peersStateAndUpdateWatcher() {
 	}
 }
 
-func handlerFromRoute(rt *route.Route, routeRefCounter *refcounter.RouteRefCounter, allowedIPsRefCounter *refcounter.AllowedIPsRefCounter, dnsRouterInteval time.Duration, statusRecorder *peer.Status, wgInterface *iface.WGIface) RouteHandler {
+func handlerFromRoute(rt *route.Route, routeRefCounter *refcounter.RouteRefCounter, allowedIPsRefCounter *refcounter.AllowedIPsRefCounter, dnsRouterInteval time.Duration, statusRecorder *peer.Status, wgInterface iface.IWGIface) RouteHandler {
 	if rt.IsDynamic() {
 		dns := nbdns.NewServiceViaMemory(wgInterface)
 		return dynamic.NewRoute(rt, routeRefCounter, allowedIPsRefCounter, dnsRouterInteval, statusRecorder, wgInterface, fmt.Sprintf("%s:%d", dns.RuntimeIP(), dns.RuntimePort()))

client/internal/routemanager/client_test.go

@@ -24,7 +24,6 @@ func TestGetBestrouteFromStatuses(t *testing.T) {
 				"route1": {
 					connected: true,
 					relayed:   false,
-					direct:    true,
 				},
 			},
 			existingRoutes: map[route.ID]*route.Route{
@@ -43,7 +42,6 @@ func TestGetBestrouteFromStatuses(t *testing.T) {
 				"route1": {
 					connected: true,
 					relayed:   true,
-					direct:    true,
 				},
 			},
 			existingRoutes: map[route.ID]*route.Route{
@@ -62,7 +60,6 @@ func TestGetBestrouteFromStatuses(t *testing.T) {
 				"route1": {
 					connected: true,
 					relayed:   true,
-					direct:    false,
 				},
 			},
 			existingRoutes: map[route.ID]*route.Route{
@@ -81,7 +78,6 @@ func TestGetBestrouteFromStatuses(t *testing.T) {
 				"route1": {
 					connected: false,
 					relayed:   false,
-					direct:    false,
 				},
 			},
 			existingRoutes: map[route.ID]*route.Route{
@@ -100,12 +96,10 @@ func TestGetBestrouteFromStatuses(t *testing.T) {
 				"route1": {
 					connected: true,
 					relayed:   false,
-					direct:    true,
 				},
 				"route2": {
 					connected: true,
 					relayed:   false,
-					direct:    true,
 				},
 			},
 			existingRoutes: map[route.ID]*route.Route{
@@ -129,41 +123,10 @@ func TestGetBestrouteFromStatuses(t *testing.T) {
 				"route1": {
 					connected: true,
 					relayed:   false,
-					direct:    true,
 				},
 				"route2": {
 					connected: true,
 					relayed:   true,
-					direct:    true,
-				},
-			},
-			existingRoutes: map[route.ID]*route.Route{
-				"route1": {
-					ID:     "route1",
-					Metric: route.MaxMetric,
-					Peer:   "peer1",
-				},
-				"route2": {
-					ID:     "route2",
-					Metric: route.MaxMetric,
-					Peer:   "peer2",
-				},
-			},
-			currentRoute:    "",
-			expectedRouteID: "route1",
-		},
-		{
-			name: "multiple connected peers with one direct",
-			statuses: map[route.ID]routerPeerStatus{
-				"route1": {
-					connected: true,
-					relayed:   false,
-					direct:    true,
-				},
-				"route2": {
-					connected: true,
-					relayed:   false,
-					direct:    false,
 				},
 			},
 			existingRoutes: map[route.ID]*route.Route{
@@ -241,13 +204,11 @@ func TestGetBestrouteFromStatuses(t *testing.T) {
 				"route1": {
 					connected: true,
 					relayed:   false,
-					direct:    true,
 					latency:   15 * time.Millisecond,
 				},
 				"route2": {
 					connected: true,
 					relayed:   false,
-					direct:    true,
 					latency:   10 * time.Millisecond,
 				},
 			},
@@ -272,13 +233,11 @@ func TestGetBestrouteFromStatuses(t *testing.T) {
 				"route1": {
 					connected: true,
 					relayed:   false,
-					direct:    true,
 					latency:   200 * time.Millisecond,
 				},
 				"route2": {
 					connected: true,
 					relayed:   false,
-					direct:    true,
 					latency:   10 * time.Millisecond,
 				},
 			},
@@ -303,13 +262,11 @@ func TestGetBestrouteFromStatuses(t *testing.T) {
 				"route1": {
 					connected: true,
 					relayed:   false,
-					direct:    true,
 					latency:   20 * time.Millisecond,
 				},
 				"route2": {
 					connected: true,
 					relayed:   false,
-					direct:    true,
 					latency:   10 * time.Millisecond,
 				},
 			},

client/internal/routemanager/dynamic/route.go

@@ -48,7 +48,7 @@ type Route struct {
 	currentPeerKey       string
 	cancel               context.CancelFunc
 	statusRecorder       *peer.Status
-	wgInterface          *iface.WGIface
+	wgInterface          iface.IWGIface
 	resolverAddr         string
 }
 
@@ -58,7 +58,7 @@ func NewRoute(
 	allowedIPsRefCounter *refcounter.AllowedIPsRefCounter,
 	interval time.Duration,
 	statusRecorder *peer.Status,
-	wgInterface *iface.WGIface,
+	wgInterface iface.IWGIface,
 	resolverAddr string,
 ) *Route {
 	return &Route{

client/internal/routemanager/manager.go

@@ -49,7 +49,7 @@ type DefaultManager struct {
 	serverRouter         serverRouter
 	sysOps               *systemops.SysOps
 	statusRecorder       *peer.Status
-	wgInterface          *iface.WGIface
+	wgInterface          iface.IWGIface
 	pubKey               string
 	notifier             *notifier.Notifier
 	routeRefCounter      *refcounter.RouteRefCounter
@@ -61,7 +61,7 @@ func NewManager(
 	ctx context.Context,
 	pubKey string,
 	dnsRouteInterval time.Duration,
-	wgInterface *iface.WGIface,
+	wgInterface iface.IWGIface,
 	statusRecorder *peer.Status,
 	initialRoutes []*route.Route,
 ) *DefaultManager {

client/internal/routemanager/server_android.go

@@ -11,6 +11,6 @@ import (
 	"github.com/netbirdio/netbird/iface"
 )
 
-func newServerRouter(context.Context, *iface.WGIface, firewall.Manager, *peer.Status) (serverRouter, error) {
+func newServerRouter(context.Context, iface.IWGIface, firewall.Manager, *peer.Status) (serverRouter, error) {
 	return nil, fmt.Errorf("server route not supported on this os")
 }

client/internal/routemanager/server_nonandroid.go

@@ -22,11 +22,11 @@ type defaultServerRouter struct {
 	ctx            context.Context
 	routes         map[route.ID]*route.Route
 	firewall       firewall.Manager
-	wgInterface    *iface.WGIface
+	wgInterface    iface.IWGIface
 	statusRecorder *peer.Status
 }
 
-func newServerRouter(ctx context.Context, wgInterface *iface.WGIface, firewall firewall.Manager, statusRecorder *peer.Status) (serverRouter, error) {
+func newServerRouter(ctx context.Context, wgInterface iface.IWGIface, firewall firewall.Manager, statusRecorder *peer.Status) (serverRouter, error) {
 	return &defaultServerRouter{
 		ctx:            ctx,
 		routes:         make(map[route.ID]*route.Route),

client/internal/routemanager/sysctl/sysctl_linux.go

@@ -1,4 +1,5 @@
-// go:build !android
+//go:build !android
+
 package sysctl
 
 import (
@@ -22,7 +23,7 @@ const (
 )
 
 // Setup configures sysctl settings for RP filtering and source validation.
-func Setup(wgIface *iface.WGIface) (map[string]int, error) {
+func Setup(wgIface iface.IWGIface) (map[string]int, error) {
 	keys := map[string]int{}
 	var result *multierror.Error
 

client/internal/routemanager/systemops/systemops.go

@@ -19,7 +19,7 @@ type ExclusionCounter = refcounter.Counter[any, Nexthop]
 
 type SysOps struct {
 	refCounter  *ExclusionCounter
-	wgInterface *iface.WGIface
+	wgInterface iface.IWGIface
 	// prefixes is tracking all the current added prefixes im memory
 	// (this is used in iOS as all route updates require a full table update)
 	//nolint
@@ -30,7 +30,7 @@ type SysOps struct {
 	notifier *notifier.Notifier
 }
 
-func NewSysOps(wgInterface *iface.WGIface, notifier *notifier.Notifier) *SysOps {
+func NewSysOps(wgInterface iface.IWGIface, notifier *notifier.Notifier) *SysOps {
 	return &SysOps{
 		wgInterface: wgInterface,
 		notifier:    notifier,

client/internal/routemanager/systemops/systemops_generic.go

@@ -122,7 +122,7 @@ func (r *SysOps) addRouteForCurrentDefaultGateway(prefix netip.Prefix) error {
 
 // addRouteToNonVPNIntf adds a new route to the routing table for the given prefix and returns the next hop and interface.
 // If the next hop or interface is pointing to the VPN interface, it will return the initial values.
-func (r *SysOps) addRouteToNonVPNIntf(prefix netip.Prefix, vpnIntf *iface.WGIface, initialNextHop Nexthop) (Nexthop, error) {
+func (r *SysOps) addRouteToNonVPNIntf(prefix netip.Prefix, vpnIntf iface.IWGIface, initialNextHop Nexthop) (Nexthop, error) {
 	addr := prefix.Addr()
 	switch {
 	case addr.IsLoopback(),

client/internal/wgproxy/proxy_ebpf.go

@@ -181,7 +181,7 @@ func (p *WGEBPFProxy) proxyToRemote() {
 			conn, ok := p.turnConnStore[uint16(addr.Port)]
 			p.turnConnMutex.Unlock()
 			if !ok {
-				log.Infof("turn conn not found by port: %d", addr.Port)
+				log.Debugf("turn conn not found by port because conn already has been closed: %d", addr.Port)
 				continue
 			}
 
@@ -206,7 +206,7 @@ func (p *WGEBPFProxy) storeTurnConn(turnConn net.Conn) (uint16, error) {
 }
 
 func (p *WGEBPFProxy) removeTurnConn(turnConnID uint16) {
-	log.Tracef("remove turn conn from store by port: %d", turnConnID)
+	log.Debugf("remove turn conn from store by port: %d", turnConnID)
 	p.turnConnMutex.Lock()
 	defer p.turnConnMutex.Unlock()
 	delete(p.turnConnStore, turnConnID)

client/internal/wgproxy/proxy_userspace.go

@@ -3,6 +3,7 @@ package wgproxy
 import (
 	"context"
 	"fmt"
+	"io"
 	"net"
 
 	log "github.com/sirupsen/logrus"
@@ -64,7 +65,6 @@ func (p *WGUserSpaceProxy) Free() error {
 // proxyToRemote proxies everything from Wireguard to the RemoteKey peer
 // blocks
 func (p *WGUserSpaceProxy) proxyToRemote() {
-
 	buf := make([]byte, 1500)
 	for {
 		select {
@@ -73,11 +73,17 @@ func (p *WGUserSpaceProxy) proxyToRemote() {
 		default:
 			n, err := p.localConn.Read(buf)
 			if err != nil {
+				log.Debugf("failed to read from wg interface conn: %s", err)
 				continue
 			}
 
 			_, err = p.remoteConn.Write(buf[:n])
 			if err != nil {
+				if err == io.EOF {
+					p.cancel()
+				} else {
+					log.Debugf("failed to write to remote conn: %s", err)
+				}
 				continue
 			}
 		}
@@ -96,11 +102,17 @@ func (p *WGUserSpaceProxy) proxyToLocal() {
 		default:
 			n, err := p.remoteConn.Read(buf)
 			if err != nil {
+				if err == io.EOF {
+					p.cancel()
+					return
+				}
+				log.Errorf("failed to read from remote conn: %s", err)
 				continue
 			}
 
 			_, err = p.localConn.Write(buf[:n])
 			if err != nil {
+				log.Debugf("failed to write to wg interface conn: %s", err)
 				continue
 			}
 		}

client/ios/NetBirdSDK/client.go

@@ -168,7 +168,6 @@ func (c *Client) GetStatusDetails() *StatusDetails {
 			BytesTx:                    p.BytesTx,
 			ConnStatus:                 p.ConnStatus.String(),
 			ConnStatusUpdate:           p.ConnStatusUpdate.Format("2006-01-02 15:04:05"),
-			Direct:                     p.Direct,
 			LastWireguardHandshake:     p.LastWireguardHandshake.String(),
 			Relayed:                    p.Relayed,
 			RosenpassEnabled:           p.RosenpassEnabled,

client/ios/NetBirdSDK/login.go

@@ -74,7 +74,7 @@ func (a *Auth) SaveConfigIfSSOSupported() (bool, error) {
 	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)
+			_, 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

client/proto/daemon.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.26.0
-// 	protoc        v4.23.4
+// 	protoc        v3.21.12
 // source: daemon.proto
 
 package proto
@@ -899,7 +899,6 @@ type PeerState struct {
 	ConnStatus                 string                 `protobuf:"bytes,3,opt,name=connStatus,proto3" json:"connStatus,omitempty"`
 	ConnStatusUpdate           *timestamppb.Timestamp `protobuf:"bytes,4,opt,name=connStatusUpdate,proto3" json:"connStatusUpdate,omitempty"`
 	Relayed                    bool                   `protobuf:"varint,5,opt,name=relayed,proto3" json:"relayed,omitempty"`
-	Direct                     bool                   `protobuf:"varint,6,opt,name=direct,proto3" json:"direct,omitempty"`
 	LocalIceCandidateType      string                 `protobuf:"bytes,7,opt,name=localIceCandidateType,proto3" json:"localIceCandidateType,omitempty"`
 	RemoteIceCandidateType     string                 `protobuf:"bytes,8,opt,name=remoteIceCandidateType,proto3" json:"remoteIceCandidateType,omitempty"`
 	Fqdn                       string                 `protobuf:"bytes,9,opt,name=fqdn,proto3" json:"fqdn,omitempty"`
@@ -911,6 +910,7 @@ type PeerState struct {
 	RosenpassEnabled           bool                   `protobuf:"varint,15,opt,name=rosenpassEnabled,proto3" json:"rosenpassEnabled,omitempty"`
 	Routes                     []string               `protobuf:"bytes,16,rep,name=routes,proto3" json:"routes,omitempty"`
 	Latency                    *durationpb.Duration   `protobuf:"bytes,17,opt,name=latency,proto3" json:"latency,omitempty"`
+	RelayAddress               string                 `protobuf:"bytes,18,opt,name=relayAddress,proto3" json:"relayAddress,omitempty"`
 }
 
 func (x *PeerState) Reset() {
@@ -980,13 +980,6 @@ func (x *PeerState) GetRelayed() bool {
 	return false
 }
 
-func (x *PeerState) GetDirect() bool {
-	if x != nil {
-		return x.Direct
-	}
-	return false
-}
-
 func (x *PeerState) GetLocalIceCandidateType() string {
 	if x != nil {
 		return x.LocalIceCandidateType
@@ -1064,6 +1057,13 @@ func (x *PeerState) GetLatency() *durationpb.Duration {
 	return nil
 }
 
+func (x *PeerState) GetRelayAddress() string {
+	if x != nil {
+		return x.RelayAddress
+	}
+	return ""
+}
+
 // LocalPeerState contains the latest state of the local peer
 type LocalPeerState struct {
 	state         protoimpl.MessageState
@@ -2243,7 +2243,7 @@ var file_daemon_proto_rawDesc = []byte{
 	0x45, 0x6e, 0x61, 0x62, 0x6c, 0x65, 0x64, 0x12, 0x30, 0x0a, 0x13, 0x72, 0x6f, 0x73, 0x65, 0x6e,
 	0x70, 0x61, 0x73, 0x73, 0x50, 0x65, 0x72, 0x6d, 0x69, 0x73, 0x73, 0x69, 0x76, 0x65, 0x18, 0x0c,
 	0x20, 0x01, 0x28, 0x08, 0x52, 0x13, 0x72, 0x6f, 0x73, 0x65, 0x6e, 0x70, 0x61, 0x73, 0x73, 0x50,
-	0x65, 0x72, 0x6d, 0x69, 0x73, 0x73, 0x69, 0x76, 0x65, 0x22, 0xce, 0x05, 0x0a, 0x09, 0x50, 0x65,
+	0x65, 0x72, 0x6d, 0x69, 0x73, 0x73, 0x69, 0x76, 0x65, 0x22, 0xda, 0x05, 0x0a, 0x09, 0x50, 0x65,
 	0x65, 0x72, 0x53, 0x74, 0x61, 0x74, 0x65, 0x12, 0x0e, 0x0a, 0x02, 0x49, 0x50, 0x18, 0x01, 0x20,
 	0x01, 0x28, 0x09, 0x52, 0x02, 0x49, 0x50, 0x12, 0x16, 0x0a, 0x06, 0x70, 0x75, 0x62, 0x4b, 0x65,
 	0x79, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x06, 0x70, 0x75, 0x62, 0x4b, 0x65, 0x79, 0x12,
@@ -2255,209 +2255,210 @@ var file_daemon_proto_rawDesc = []byte{
 	0x73, 0x74, 0x61, 0x6d, 0x70, 0x52, 0x10, 0x63, 0x6f, 0x6e, 0x6e, 0x53, 0x74, 0x61, 0x74, 0x75,
 	0x73, 0x55, 0x70, 0x64, 0x61, 0x74, 0x65, 0x12, 0x18, 0x0a, 0x07, 0x72, 0x65, 0x6c, 0x61, 0x79,
 	0x65, 0x64, 0x18, 0x05, 0x20, 0x01, 0x28, 0x08, 0x52, 0x07, 0x72, 0x65, 0x6c, 0x61, 0x79, 0x65,
-	0x64, 0x12, 0x16, 0x0a, 0x06, 0x64, 0x69, 0x72, 0x65, 0x63, 0x74, 0x18, 0x06, 0x20, 0x01, 0x28,
-	0x08, 0x52, 0x06, 0x64, 0x69, 0x72, 0x65, 0x63, 0x74, 0x12, 0x34, 0x0a, 0x15, 0x6c, 0x6f, 0x63,
-	0x61, 0x6c, 0x49, 0x63, 0x65, 0x43, 0x61, 0x6e, 0x64, 0x69, 0x64, 0x61, 0x74, 0x65, 0x54, 0x79,
-	0x70, 0x65, 0x18, 0x07, 0x20, 0x01, 0x28, 0x09, 0x52, 0x15, 0x6c, 0x6f, 0x63, 0x61, 0x6c, 0x49,
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+	0x4c, 0x65, 0x76, 0x65, 0x6c, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22, 0x00, 0x42,
+	0x08, 0x5a, 0x06, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f,
+	0x33,
 }
 
 var (

client/proto/daemon.proto

@@ -168,7 +168,6 @@ message PeerState {
   string connStatus = 3;
   google.protobuf.Timestamp connStatusUpdate = 4;
   bool relayed = 5;
-  bool direct = 6;
   string localIceCandidateType = 7;
   string remoteIceCandidateType = 8;
   string fqdn = 9;
@@ -180,6 +179,7 @@ message PeerState {
   bool rosenpassEnabled = 15;
   repeated string routes = 16;
   google.protobuf.Duration latency = 17;
+  string relayAddress = 18;
 }
 
 // LocalPeerState contains the latest state of the local peer

client/server/debug.go

@@ -369,8 +369,8 @@ func seedFromStatus(a *anonymize.Anonymizer, status *peer.FullStatus) {
 	}
 
 	for _, relay := range status.Relays {
-		if relay.URI != nil {
-			a.AnonymizeURI(relay.URI.String())
+		if relay.URI != "" {
+			a.AnonymizeURI(relay.URI)
 		}
 	}
 }

client/server/server.go

@@ -745,11 +745,11 @@ func toProtoFullStatus(fullStatus peer.FullStatus) *proto.FullStatus {
 			ConnStatus:                 peerState.ConnStatus.String(),
 			ConnStatusUpdate:           timestamppb.New(peerState.ConnStatusUpdate),
 			Relayed:                    peerState.Relayed,
-			Direct:                     peerState.Direct,
 			LocalIceCandidateType:      peerState.LocalIceCandidateType,
 			RemoteIceCandidateType:     peerState.RemoteIceCandidateType,
 			LocalIceCandidateEndpoint:  peerState.LocalIceCandidateEndpoint,
 			RemoteIceCandidateEndpoint: peerState.RemoteIceCandidateEndpoint,
+			RelayAddress:               peerState.RelayServerAddress,
 			Fqdn:                       peerState.FQDN,
 			LastWireguardHandshake:     timestamppb.New(peerState.LastWireguardHandshake),
 			BytesRx:                    peerState.BytesRx,
@@ -763,7 +763,7 @@ func toProtoFullStatus(fullStatus peer.FullStatus) *proto.FullStatus {
 
 	for _, relayState := range fullStatus.Relays {
 		pbRelayState := &proto.RelayState{
-			URI:       relayState.URI.String(),
+			URI:       relayState.URI,
 			Available: relayState.Err == nil,
 		}
 		if err := relayState.Err; err != nil {

client/server/server_test.go

@@ -129,7 +129,10 @@ func startManagement(t *testing.T, signalAddr string, counter *int) (*grpc.Serve
 	if err != nil {
 		return nil, "", err
 	}
-	turnManager := server.NewTimeBasedAuthSecretsManager(peersUpdateManager, config.TURNConfig)
+	rc := &server.RelayConfig{
+		Address: "localhost:0",
+	}
+	turnManager := server.NewTimeBasedAuthSecretsManager(peersUpdateManager, config.TURNConfig, rc)
 	mgmtServer, err := server.NewServer(context.Background(), config, accountManager, peersUpdateManager, turnManager, nil, nil)
 	if err != nil {
 		return nil, "", err

client/ssh/server.go

@@ -118,9 +118,9 @@ func (srv *DefaultServer) publicKeyHandler(ctx ssh.Context, key ssh.PublicKey) b
 
 func prepareUserEnv(user *user.User, shell string) []string {
 	return []string{
-		fmt.Sprintf("SHELL=" + shell),
-		fmt.Sprintf("USER=" + user.Username),
-		fmt.Sprintf("HOME=" + user.HomeDir),
+		fmt.Sprint("SHELL=" + shell),
+		fmt.Sprint("USER=" + user.Username),
+		fmt.Sprint("HOME=" + user.HomeDir),
 	}
 }
 

encryption/cert.go

@@ -0,0 +1,19 @@
+package encryption
+
+import "crypto/tls"
+
+func LoadTLSConfig(certFile, keyFile string) (*tls.Config, error) {
+	serverCert, err := tls.LoadX509KeyPair(certFile, keyFile)
+	if err != nil {
+		return nil, err
+	}
+
+	config := &tls.Config{
+		Certificates: []tls.Certificate{serverCert},
+		ClientAuth:   tls.NoClientCert,
+		NextProtos: []string{
+			"h2", "http/1.1", // enable HTTP/2
+		},
+	}
+	return config, nil
+}

encryption/letsencrypt.go

@@ -9,7 +9,7 @@ import (
 )
 
 // CreateCertManager wraps common logic of generating Let's encrypt certificate.
-func CreateCertManager(datadir string, letsencryptDomain string) (*autocert.Manager, error) {
+func CreateCertManager(datadir string, letsencryptDomain ...string) (*autocert.Manager, error) {
 	certDir := filepath.Join(datadir, "letsencrypt")
 
 	if _, err := os.Stat(certDir); os.IsNotExist(err) {
@@ -24,7 +24,7 @@ func CreateCertManager(datadir string, letsencryptDomain string) (*autocert.Mana
 	certManager := &autocert.Manager{
 		Prompt:     autocert.AcceptTOS,
 		Cache:      autocert.DirCache(certDir),
-		HostPolicy: autocert.HostWhitelist(letsencryptDomain),
+		HostPolicy: autocert.HostWhitelist(letsencryptDomain...),
 	}
 
 	return certManager, nil

encryption/route53.go

@@ -0,0 +1,87 @@
+package encryption
+
+import (
+	"context"
+	"crypto/tls"
+	"fmt"
+	"os"
+	"strings"
+
+	"github.com/caddyserver/certmagic"
+	"github.com/libdns/route53"
+	log "github.com/sirupsen/logrus"
+	"go.uber.org/zap"
+	"go.uber.org/zap/zapcore"
+	"golang.org/x/crypto/acme"
+)
+
+// Route53TLS by default, loads the AWS configuration from the environment.
+// env variables: AWS_REGION, AWS_PROFILE, AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY, AWS_SESSION_TOKEN
+type Route53TLS struct {
+	DataDir string
+	Email   string
+	Domains []string
+	CA      string
+}
+
+func (r *Route53TLS) GetCertificate() (*tls.Config, error) {
+	if len(r.Domains) == 0 {
+		return nil, fmt.Errorf("no domains provided")
+	}
+
+	certmagic.Default.Logger = logger()
+	certmagic.Default.Storage = &certmagic.FileStorage{Path: r.DataDir}
+	certmagic.DefaultACME.Agreed = true
+	if r.Email != "" {
+		certmagic.DefaultACME.Email = r.Email
+	} else {
+		certmagic.DefaultACME.Email = emailFromDomain(r.Domains[0])
+	}
+
+	if r.CA == "" {
+		certmagic.DefaultACME.CA = certmagic.LetsEncryptProductionCA
+	} else {
+		certmagic.DefaultACME.CA = r.CA
+	}
+
+	certmagic.DefaultACME.DNS01Solver = &certmagic.DNS01Solver{
+		DNSManager: certmagic.DNSManager{
+			DNSProvider: &route53.Provider{},
+		},
+	}
+	cm := certmagic.NewDefault()
+	if err := cm.ManageSync(context.Background(), r.Domains); err != nil {
+		log.Errorf("failed to manage certificate: %v", err)
+		return nil, err
+	}
+
+	tlsConfig := &tls.Config{
+		GetCertificate: cm.GetCertificate,
+		NextProtos:     []string{"h2", "http/1.1", acme.ALPNProto},
+	}
+
+	return tlsConfig, nil
+}
+
+func emailFromDomain(domain string) string {
+	if domain == "" {
+		return ""
+	}
+
+	parts := strings.Split(domain, ".")
+	if len(parts) < 2 {
+		return ""
+	}
+	if parts[0] == "" {
+		return ""
+	}
+	return fmt.Sprintf("admin@%s.%s", parts[len(parts)-2], parts[len(parts)-1])
+}
+
+func logger() *zap.Logger {
+	return zap.New(zapcore.NewCore(
+		zapcore.NewConsoleEncoder(zap.NewProductionEncoderConfig()),
+		os.Stderr,
+		zap.ErrorLevel,
+	))
+}

encryption/route53_test.go

@@ -0,0 +1,84 @@
+package encryption
+
+import (
+	"context"
+	"io"
+	"net/http"
+	"os"
+	"testing"
+	"time"
+)
+
+func TestRoute53TLSConfig(t *testing.T) {
+	t.SkipNow() // This test requires AWS credentials
+	exampleString := "Hello, world!"
+	rtls := &Route53TLS{
+		DataDir: t.TempDir(),
+		Email:   os.Getenv("LE_EMAIL_ROUTE53"),
+		Domains: []string{os.Getenv("DOMAIN")},
+	}
+	tlsConfig, err := rtls.GetCertificate()
+	if err != nil {
+		t.Errorf("Route53TLSConfig failed: %v", err)
+	}
+
+	server := &http.Server{
+		Addr: ":8443",
+		Handler: http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+			_, _ = w.Write([]byte(exampleString))
+		}),
+		TLSConfig: tlsConfig,
+	}
+
+	go func() {
+		err := server.ListenAndServeTLS("", "")
+		if err != http.ErrServerClosed {
+			t.Errorf("Failed to start server: %v", err)
+		}
+	}()
+	defer func() {
+		if err := server.Shutdown(context.Background()); err != nil {
+			t.Errorf("Failed to shutdown server: %v", err)
+		}
+	}()
+
+	time.Sleep(1 * time.Second)
+	resp, err := http.Get("https://relay.godevltd.com:8443")
+	if err != nil {
+		t.Errorf("Failed to get response: %v", err)
+		return
+	}
+	defer func() {
+		_ = resp.Body.Close()
+	}()
+
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		t.Errorf("Failed to read response body: %v", err)
+	}
+	if string(body) != exampleString {
+		t.Errorf("Unexpected response: %s", body)
+	}
+}
+
+func Test_emailFromDomain(t *testing.T) {
+	tests := []struct {
+		input string
+		want  string
+	}{
+		{"example.com", "admin@example.com"},
+		{"x.example.com", "admin@example.com"},
+		{"x.x.example.com", "admin@example.com"},
+		{"*.example.com", "admin@example.com"},
+		{"example", ""},
+		{"", ""},
+		{".com", ""},
+	}
+	for _, tt := range tests {
+		t.Run("domain test", func(t *testing.T) {
+			if got := emailFromDomain(tt.input); got != tt.want {
+				t.Errorf("emailFromDomain() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}

go.mod

@@ -12,7 +12,7 @@ require (
 	github.com/gorilla/mux v1.8.0
 	github.com/kardianos/service v1.2.1-0.20210728001519-a323c3813bc7
 	github.com/onsi/ginkgo v1.16.5
-	github.com/onsi/gomega v1.23.0
+	github.com/onsi/gomega v1.27.6
 	github.com/pion/ice/v3 v3.0.2
 	github.com/rs/cors v1.8.0
 	github.com/sirupsen/logrus v1.9.3
@@ -30,15 +30,16 @@ require (
 )
 
 require (
-	fyne.io/fyne/v2 v2.1.4
+	fyne.io/fyne/v2 v2.5.0
 	fyne.io/systray v1.11.0
 	github.com/TheJumpCloud/jcapi-go v3.0.0+incompatible
 	github.com/c-robinson/iplib v1.0.3
+	github.com/caddyserver/certmagic v0.21.3
 	github.com/cilium/ebpf v0.15.0
 	github.com/coreos/go-iptables v0.7.0
 	github.com/creack/pty v1.1.18
 	github.com/eko/gocache/v3 v3.1.1
-	github.com/fsnotify/fsnotify v1.6.0
+	github.com/fsnotify/fsnotify v1.7.0
 	github.com/gliderlabs/ssh v0.3.4
 	github.com/godbus/dbus/v5 v5.1.0
 	github.com/golang/mock v1.6.0
@@ -50,18 +51,21 @@ require (
 	github.com/hashicorp/go-multierror v1.1.1
 	github.com/hashicorp/go-secure-stdlib/base62 v0.1.2
 	github.com/hashicorp/go-version v1.6.0
+	github.com/libdns/route53 v1.5.0
 	github.com/libp2p/go-netroute v0.2.1
 	github.com/magiconair/properties v1.8.7
 	github.com/mattn/go-sqlite3 v1.14.19
 	github.com/mdlayher/socket v0.4.1
-	github.com/miekg/dns v1.1.43
+	github.com/miekg/dns v1.1.59
 	github.com/mitchellh/hashstructure/v2 v2.0.2
 	github.com/nadoo/ipset v0.5.0
 	github.com/netbirdio/management-integrations/integrations v0.0.0-20240703085513-32605f7ffd8e
+	github.com/netbirdio/signal-dispatcher/dispatcher v0.0.0-20240801161502-2171ea0babf1
 	github.com/okta/okta-sdk-golang/v2 v2.18.0
 	github.com/oschwald/maxminddb-golang v1.12.0
 	github.com/patrickmn/go-cache v2.1.0+incompatible
 	github.com/pion/logging v0.2.2
+	github.com/pion/randutil v0.1.0
 	github.com/pion/stun/v2 v2.0.0
 	github.com/pion/transport/v3 v3.0.1
 	github.com/pion/turn/v3 v3.0.1
@@ -69,6 +73,7 @@ require (
 	github.com/rs/xid v1.3.0
 	github.com/shirou/gopsutil/v3 v3.24.4
 	github.com/skratchdot/open-golang v0.0.0-20200116055534-eef842397966
+	github.com/songgao/water v0.0.0-20200317203138-2b4b6d7c09d8
 	github.com/stretchr/testify v1.9.0
 	github.com/testcontainers/testcontainers-go v0.31.0
 	github.com/testcontainers/testcontainers-go/modules/postgres v0.31.0
@@ -80,9 +85,10 @@ require (
 	go.opentelemetry.io/otel/exporters/prometheus v0.48.0
 	go.opentelemetry.io/otel/metric v1.26.0
 	go.opentelemetry.io/otel/sdk/metric v1.26.0
+	go.uber.org/zap v1.27.0
 	goauthentik.io/api/v3 v3.2023051.3
 	golang.org/x/exp v0.0.0-20240506185415-9bf2ced13842
-	golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028
+	golang.org/x/mobile v0.0.0-20231127183840-76ac6878050a
 	golang.org/x/net v0.26.0
 	golang.org/x/oauth2 v0.19.0
 	golang.org/x/sync v0.7.0
@@ -92,6 +98,7 @@ require (
 	gorm.io/driver/postgres v1.5.7
 	gorm.io/driver/sqlite v1.5.3
 	gorm.io/gorm v1.25.7-0.20240204074919-46816ad31dde
+	nhooyr.io/websocket v1.8.11
 )
 
 require (
@@ -100,13 +107,28 @@ require (
 	cloud.google.com/go/compute/metadata v0.3.0 // indirect
 	dario.cat/mergo v1.0.0 // indirect
 	github.com/Azure/go-ansiterm v0.0.0-20230124172434-306776ec8161 // indirect
-	github.com/BurntSushi/toml v1.3.2 // indirect
+	github.com/BurntSushi/toml v1.4.0 // indirect
 	github.com/Microsoft/go-winio v0.6.2 // indirect
 	github.com/Microsoft/hcsshim v0.12.3 // indirect
 	github.com/XiaoMi/pegasus-go-client v0.0.0-20210427083443-f3b6b08bc4c2 // indirect
 	github.com/anmitsu/go-shlex v0.0.0-20200514113438-38f4b401e2be // indirect
+	github.com/aws/aws-sdk-go-v2 v1.30.3 // indirect
+	github.com/aws/aws-sdk-go-v2/config v1.27.27 // indirect
+	github.com/aws/aws-sdk-go-v2/credentials v1.17.27 // indirect
+	github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.16.11 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/configsources v1.3.15 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.6.15 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/ini v1.8.0 // indirect
+	github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.11.3 // indirect
+	github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.11.17 // indirect
+	github.com/aws/aws-sdk-go-v2/service/route53 v1.42.3 // indirect
+	github.com/aws/aws-sdk-go-v2/service/sso v1.22.4 // indirect
+	github.com/aws/aws-sdk-go-v2/service/ssooidc v1.26.4 // indirect
+	github.com/aws/aws-sdk-go-v2/service/sts v1.30.3 // indirect
+	github.com/aws/smithy-go v1.20.3 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/bradfitz/gomemcache v0.0.0-20220106215444-fb4bf637b56d // indirect
+	github.com/caddyserver/zerossl v0.1.3 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/containerd/containerd v1.7.16 // indirect
 	github.com/containerd/log v0.1.0 // indirect
@@ -119,48 +141,60 @@ require (
 	github.com/docker/go-connections v0.5.0 // indirect
 	github.com/docker/go-units v0.5.0 // indirect
 	github.com/felixge/httpsnoop v1.0.4 // indirect
-	github.com/fredbi/uri v0.0.0-20181227131451-3dcfdacbaaf3 // indirect
-	github.com/go-gl/gl v0.0.0-20210813123233-e4099ee2221f // indirect
-	github.com/go-gl/glfw/v3.3/glfw v0.0.0-20211024062804-40e447a793be // indirect
+	github.com/fredbi/uri v1.1.0 // indirect
+	github.com/fyne-io/gl-js v0.0.0-20220119005834-d2da28d9ccfe // indirect
+	github.com/fyne-io/glfw-js v0.0.0-20240101223322-6e1efdc71b7a // indirect
+	github.com/fyne-io/image v0.0.0-20220602074514-4956b0afb3d2 // indirect
+	github.com/go-gl/gl v0.0.0-20211210172815-726fda9656d6 // indirect
+	github.com/go-gl/glfw/v3.3/glfw v0.0.0-20240506104042-037f3cc74f2a // indirect
 	github.com/go-logr/logr v1.4.1 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/go-ole/go-ole v1.3.0 // indirect
 	github.com/go-redis/redis/v8 v8.11.5 // indirect
+	github.com/go-text/render v0.1.0 // indirect
+	github.com/go-text/typesetting v0.1.0 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
-	github.com/goki/freetype v0.0.0-20181231101311-fa8a33aabaff // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/google/btree v1.0.1 // indirect
 	github.com/google/s2a-go v0.1.7 // indirect
 	github.com/googleapis/enterprise-certificate-proxy v0.3.2 // indirect
 	github.com/googleapis/gax-go/v2 v2.12.3 // indirect
+	github.com/gopherjs/gopherjs v1.17.2 // indirect
 	github.com/hashicorp/errwrap v1.1.0 // indirect
-	github.com/hashicorp/go-uuid v1.0.2 // indirect
+	github.com/hashicorp/go-uuid v1.0.3 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/jackc/pgpassfile v1.0.0 // indirect
 	github.com/jackc/pgservicefile v0.0.0-20221227161230-091c0ba34f0a // indirect
 	github.com/jackc/pgx/v5 v5.5.5 // indirect
 	github.com/jackc/puddle/v2 v2.2.1 // indirect
+	github.com/jeandeaual/go-locale v0.0.0-20240223122105-ce5225dcaa49 // indirect
 	github.com/jinzhu/inflection v1.0.0 // indirect
 	github.com/jinzhu/now v1.1.5 // indirect
+	github.com/jmespath/go-jmespath v0.4.0 // indirect
 	github.com/josharian/native v1.1.0 // indirect
+	github.com/jsummers/gobmp v0.0.0-20151104160322-e2ba15ffa76e // indirect
 	github.com/kelseyhightower/envconfig v1.4.0 // indirect
 	github.com/klauspost/compress v1.17.8 // indirect
+	github.com/klauspost/cpuid/v2 v2.2.7 // indirect
+	github.com/libdns/libdns v0.2.2 // indirect
 	github.com/lufia/plan9stats v0.0.0-20240513124658-fba389f38bae // indirect
 	github.com/mdlayher/genetlink v1.3.2 // indirect
 	github.com/mdlayher/netlink v1.7.2 // indirect
+	github.com/mholt/acmez/v2 v2.0.1 // indirect
 	github.com/moby/docker-image-spec v1.3.1 // indirect
 	github.com/moby/patternmatcher v0.6.0 // indirect
 	github.com/moby/sys/sequential v0.5.0 // indirect
 	github.com/moby/sys/user v0.1.0 // indirect
 	github.com/moby/term v0.5.0 // indirect
 	github.com/morikuni/aec v1.0.0 // indirect
+	github.com/nicksnyder/go-i18n/v2 v2.4.0 // indirect
 	github.com/nxadm/tail v1.4.8 // indirect
+	github.com/onsi/ginkgo/v2 v2.9.5 // indirect
 	github.com/opencontainers/go-digest v1.0.0 // indirect
 	github.com/opencontainers/image-spec v1.1.0 // indirect
 	github.com/pegasus-kv/thrift v0.13.0 // indirect
 	github.com/pion/dtls/v2 v2.2.10 // indirect
 	github.com/pion/mdns v0.0.12 // indirect
-	github.com/pion/randutil v0.1.0 // indirect
 	github.com/pion/transport/v2 v2.2.4 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
@@ -168,21 +202,26 @@ require (
 	github.com/prometheus/client_model v0.6.1 // indirect
 	github.com/prometheus/common v0.53.0 // indirect
 	github.com/prometheus/procfs v0.15.0 // indirect
+	github.com/rymdport/portal v0.2.2 // indirect
 	github.com/shoenig/go-m1cpu v0.1.6 // indirect
 	github.com/spf13/cast v1.5.0 // indirect
-	github.com/srwiley/oksvg v0.0.0-20200311192757-870daf9aa564 // indirect
-	github.com/srwiley/rasterx v0.0.0-20200120212402-85cb7272f5e9 // indirect
+	github.com/srwiley/oksvg v0.0.0-20221011165216-be6e8873101c // indirect
+	github.com/srwiley/rasterx v0.0.0-20220730225603-2ab79fcdd4ef // indirect
 	github.com/tklauser/go-sysconf v0.3.14 // indirect
 	github.com/tklauser/numcpus v0.8.0 // indirect
 	github.com/vishvananda/netns v0.0.4 // indirect
-	github.com/yuin/goldmark v1.4.13 // indirect
+	github.com/yuin/goldmark v1.7.1 // indirect
+	github.com/zeebo/blake3 v0.2.3 // indirect
 	go.opencensus.io v0.24.0 // indirect
 	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.51.0 // indirect
 	go.opentelemetry.io/otel/sdk v1.26.0 // indirect
 	go.opentelemetry.io/otel/trace v1.26.0 // indirect
+	go.uber.org/multierr v1.11.0 // indirect
 	golang.org/x/image v0.18.0 // indirect
+	golang.org/x/mod v0.17.0 // indirect
 	golang.org/x/text v0.16.0 // indirect
 	golang.org/x/time v0.5.0 // indirect
+	golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d // indirect
 	golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2 // indirect
 	google.golang.org/genproto/googleapis/api v0.0.0-20240509183442-62759503f434 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20240515191416-fc5f0ca64291 // indirect

iface/iface_moc.go

@@ -0,0 +1,103 @@
+package iface
+
+import (
+	"net"
+	"time"
+
+	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
+
+	"github.com/netbirdio/netbird/iface/bind"
+)
+
+type MockWGIface struct {
+	CreateFunc                 func() error
+	CreateOnAndroidFunc        func(routeRange []string, ip string, domains []string) error
+	IsUserspaceBindFunc        func() bool
+	NameFunc                   func() string
+	AddressFunc                func() WGAddress
+	ToInterfaceFunc            func() *net.Interface
+	UpFunc                     func() (*bind.UniversalUDPMuxDefault, error)
+	UpdateAddrFunc             func(newAddr string) error
+	UpdatePeerFunc             func(peerKey string, allowedIps string, keepAlive time.Duration, endpoint *net.UDPAddr, preSharedKey *wgtypes.Key) error
+	RemovePeerFunc             func(peerKey string) error
+	AddAllowedIPFunc           func(peerKey string, allowedIP string) error
+	RemoveAllowedIPFunc        func(peerKey string, allowedIP string) error
+	CloseFunc                  func() error
+	SetFilterFunc              func(filter PacketFilter) error
+	GetFilterFunc              func() PacketFilter
+	GetDeviceFunc              func() *DeviceWrapper
+	GetStatsFunc               func(peerKey string) (WGStats, error)
+	GetInterfaceGUIDStringFunc func() (string, error)
+}
+
+func (m *MockWGIface) GetInterfaceGUIDString() (string, error) {
+	return m.GetInterfaceGUIDStringFunc()
+}
+
+func (m *MockWGIface) Create() error {
+	return m.CreateFunc()
+}
+
+func (m *MockWGIface) CreateOnAndroid(routeRange []string, ip string, domains []string) error {
+	return m.CreateOnAndroidFunc(routeRange, ip, domains)
+}
+
+func (m *MockWGIface) IsUserspaceBind() bool {
+	return m.IsUserspaceBindFunc()
+}
+
+func (m *MockWGIface) Name() string {
+	return m.NameFunc()
+}
+
+func (m *MockWGIface) Address() WGAddress {
+	return m.AddressFunc()
+}
+
+func (m *MockWGIface) ToInterface() *net.Interface {
+	return m.ToInterfaceFunc()
+}
+
+func (m *MockWGIface) Up() (*bind.UniversalUDPMuxDefault, error) {
+	return m.UpFunc()
+}
+
+func (m *MockWGIface) UpdateAddr(newAddr string) error {
+	return m.UpdateAddrFunc(newAddr)
+}
+
+func (m *MockWGIface) UpdatePeer(peerKey string, allowedIps string, keepAlive time.Duration, endpoint *net.UDPAddr, preSharedKey *wgtypes.Key) error {
+	return m.UpdatePeerFunc(peerKey, allowedIps, keepAlive, endpoint, preSharedKey)
+}
+
+func (m *MockWGIface) RemovePeer(peerKey string) error {
+	return m.RemovePeerFunc(peerKey)
+}
+
+func (m *MockWGIface) AddAllowedIP(peerKey string, allowedIP string) error {
+	return m.AddAllowedIPFunc(peerKey, allowedIP)
+}
+
+func (m *MockWGIface) RemoveAllowedIP(peerKey string, allowedIP string) error {
+	return m.RemoveAllowedIPFunc(peerKey, allowedIP)
+}
+
+func (m *MockWGIface) Close() error {
+	return m.CloseFunc()
+}
+
+func (m *MockWGIface) SetFilter(filter PacketFilter) error {
+	return m.SetFilterFunc(filter)
+}
+
+func (m *MockWGIface) GetFilter() PacketFilter {
+	return m.GetFilterFunc()
+}
+
+func (m *MockWGIface) GetDevice() *DeviceWrapper {
+	return m.GetDeviceFunc()
+}
+
+func (m *MockWGIface) GetStats(peerKey string) (WGStats, error) {
+	return m.GetStatsFunc(peerKey)
+}

iface/iwginterface.go

@@ -0,0 +1,32 @@
+//go:build !windows
+
+package iface
+
+import (
+	"net"
+	"time"
+
+	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
+
+	"github.com/netbirdio/netbird/iface/bind"
+)
+
+type IWGIface interface {
+	Create() error
+	CreateOnAndroid(routeRange []string, ip string, domains []string) error
+	IsUserspaceBind() bool
+	Name() string
+	Address() WGAddress
+	ToInterface() *net.Interface
+	Up() (*bind.UniversalUDPMuxDefault, error)
+	UpdateAddr(newAddr string) error
+	UpdatePeer(peerKey string, allowedIps string, keepAlive time.Duration, endpoint *net.UDPAddr, preSharedKey *wgtypes.Key) error
+	RemovePeer(peerKey string) error
+	AddAllowedIP(peerKey string, allowedIP string) error
+	RemoveAllowedIP(peerKey string, allowedIP string) error
+	Close() error
+	SetFilter(filter PacketFilter) error
+	GetFilter() PacketFilter
+	GetDevice() *DeviceWrapper
+	GetStats(peerKey string) (WGStats, error)
+}

iface/iwginterface_windows.go

@@ -0,0 +1,31 @@
+package iface
+
+import (
+	"net"
+	"time"
+
+	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
+
+	"github.com/netbirdio/netbird/iface/bind"
+)
+
+type IWGIface interface {
+	Create() error
+	CreateOnAndroid(routeRange []string, ip string, domains []string) error
+	IsUserspaceBind() bool
+	Name() string
+	Address() WGAddress
+	ToInterface() *net.Interface
+	Up() (*bind.UniversalUDPMuxDefault, error)
+	UpdateAddr(newAddr string) error
+	UpdatePeer(peerKey string, allowedIps string, keepAlive time.Duration, endpoint *net.UDPAddr, preSharedKey *wgtypes.Key) error
+	RemovePeer(peerKey string) error
+	AddAllowedIP(peerKey string, allowedIP string) error
+	RemoveAllowedIP(peerKey string, allowedIP string) error
+	Close() error
+	SetFilter(filter PacketFilter) error
+	GetFilter() PacketFilter
+	GetDevice() *DeviceWrapper
+	GetStats(peerKey string) (WGStats, error)
+	GetInterfaceGUIDString() (string, error)
+}

management/client/client_test.go

@@ -82,7 +82,10 @@ func startManagement(t *testing.T) (*grpc.Server, net.Listener) {
 	if err != nil {
 		t.Fatal(err)
 	}
-	turnManager := mgmt.NewTimeBasedAuthSecretsManager(peersUpdateManager, config.TURNConfig)
+	rc := &mgmt.RelayConfig{
+		Address: "localhost:0",
+	}
+	turnManager := mgmt.NewTimeBasedAuthSecretsManager(peersUpdateManager, config.TURNConfig, rc)
 	mgmtServer, err := mgmt.NewServer(context.Background(), config, accountManager, peersUpdateManager, turnManager, nil, nil)
 	if err != nil {
 		t.Fatal(err)

management/client/grpc.go

@@ -2,6 +2,7 @@ package client
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"io"
 	"sync"
@@ -267,7 +268,7 @@ 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)
 func (c *GrpcClient) GetServerPublicKey() (*wgtypes.Key, error) {
 	if !c.ready() {
-		return nil, fmt.Errorf(errMsgNoMgmtConnection)
+		return nil, errors.New(errMsgNoMgmtConnection)
 	}
 
 	mgmCtx, cancel := context.WithTimeout(c.ctx, 5*time.Second)
@@ -314,7 +315,7 @@ func (c *GrpcClient) IsHealthy() bool {
 
 func (c *GrpcClient) login(serverKey wgtypes.Key, req *proto.LoginRequest) (*proto.LoginResponse, error) {
 	if !c.ready() {
-		return nil, fmt.Errorf(errMsgNoMgmtConnection)
+		return nil, errors.New(errMsgNoMgmtConnection)
 	}
 
 	loginReq, err := encryption.EncryptMessage(serverKey, c.key, req)
@@ -452,7 +453,7 @@ func (c *GrpcClient) GetPKCEAuthorizationFlow(serverKey wgtypes.Key) (*proto.PKC
 // It should be used if there is changes on peer posture check after initial sync.
 func (c *GrpcClient) SyncMeta(sysInfo *system.Info) error {
 	if !c.ready() {
-		return fmt.Errorf(errMsgNoMgmtConnection)
+		return errors.New(errMsgNoMgmtConnection)
 	}
 
 	serverPubKey, err := c.GetServerPublicKey()

management/cmd/management.go

@@ -195,7 +195,7 @@ var (
 				return fmt.Errorf("failed to build default manager: %v", err)
 			}
 
-			turnManager := server.NewTimeBasedAuthSecretsManager(peersUpdateManager, config.TURNConfig)
+			turnRelayTokenManager := server.NewTimeBasedAuthSecretsManager(peersUpdateManager, config.TURNConfig, config.RelayConfig)
 
 			trustedPeers := config.ReverseProxy.TrustedPeers
 			defaultTrustedPeers := []netip.Prefix{netip.MustParsePrefix("0.0.0.0/0"), netip.MustParsePrefix("::/0")}
@@ -271,7 +271,7 @@ var (
 			ephemeralManager.LoadInitialPeers(ctx)
 
 			gRPCAPIHandler := grpc.NewServer(gRPCOpts...)
-			srv, err := server.NewServer(ctx, config, accountManager, peersUpdateManager, turnManager, appMetrics, ephemeralManager)
+			srv, err := server.NewServer(ctx, config, accountManager, peersUpdateManager, turnRelayTokenManager, appMetrics, ephemeralManager)
 			if err != nil {
 				return fmt.Errorf("failed creating gRPC API handler: %v", err)
 			}
@@ -538,6 +538,10 @@ func loadMgmtConfig(ctx context.Context, mgmtConfigPath string) (*server.Config,
 		}
 	}
 
+	if loadedConfig.RelayConfig != nil {
+		log.Infof("Relay address: %v", loadedConfig.RelayConfig.Address)
+	}
+
 	return loadedConfig, err
 }
 

management/cmd/management_test.go

@@ -0,0 +1,54 @@
+package cmd
+
+import (
+	"context"
+	"os"
+	"testing"
+)
+
+const (
+	exampleConfig = `{	
+		"RelayConfig": {
+		   "Address": "rels://relay.stage.npeer.io"
+		},
+		"HttpConfig": {
+			"AuthAudience": "https://stageapp/",
+			"AuthIssuer": "https://something.eu.auth0.com/",
+			"OIDCConfigEndpoint": "https://something.eu.auth0.com/.well-known/openid-configuration"
+		}
+	}`
+)
+
+func Test_loadMgmtConfig(t *testing.T) {
+	tmpFile, err := createConfig()
+	if err != nil {
+		t.Fatalf("failed to create config: %s", err)
+	}
+
+	cfg, err := loadMgmtConfig(context.Background(), tmpFile)
+	if err != nil {
+		t.Fatalf("failed to load management config: %s", err)
+	}
+	if cfg.RelayConfig == nil {
+		t.Fatalf("config is nil")
+	}
+	if cfg.RelayConfig.Address == "" {
+		t.Fatalf("relay address is empty")
+	}
+}
+
+func createConfig() (string, error) {
+	tmpfile, err := os.CreateTemp("", "config.json")
+	if err != nil {
+		return "", err
+	}
+	_, err = tmpfile.Write([]byte(exampleConfig))
+	if err != nil {
+		return "", err
+	}
+
+	if err := tmpfile.Close(); err != nil {
+		return "", err
+	}
+	return tmpfile.Name(), nil
+}

management/proto/management.proto

@@ -177,6 +177,8 @@ message WiretrusteeConfig {
 
   // a Signal server config
   HostConfig signal = 3;
+
+  RelayConfig relay = 4;
 }
 
 // HostConfig describes connection properties of some server (e.g. STUN, Signal, Management)
@@ -193,6 +195,13 @@ message HostConfig {
     DTLS = 4;
   }
 }
+
+message RelayConfig {
+  repeated string urls = 1;
+  string tokenPayload = 2;
+  string tokenSignature = 3;
+}
+
 // ProtectedHostConfig is similar to HostConfig but has additional user and password
 // Mostly used for TURN servers
 message ProtectedHostConfig {

management/server/account.go

@@ -68,6 +68,7 @@ type AccountManager interface {
 	SaveSetupKey(ctx context.Context, accountID string, key *SetupKey, userID string) (*SetupKey, error)
 	CreateUser(ctx context.Context, accountID, initiatorUserID string, key *UserInfo) (*UserInfo, error)
 	DeleteUser(ctx context.Context, accountID, initiatorUserID string, targetUserID string) error
+	DeleteRegularUsers(ctx context.Context, accountID, initiatorUserID string, targetUserIDs []string) error
 	InviteUser(ctx context.Context, accountID string, initiatorUserID string, targetUserID string) error
 	ListSetupKeys(ctx context.Context, accountID, userID string) ([]*SetupKey, error)
 	SaveUser(ctx context.Context, accountID, initiatorUserID string, update *User) (*UserInfo, error)
@@ -101,6 +102,7 @@ type AccountManager interface {
 	SaveGroup(ctx context.Context, accountID, userID string, group *nbgroup.Group) error
 	SaveGroups(ctx context.Context, accountID, userID string, newGroups []*nbgroup.Group) error
 	DeleteGroup(ctx context.Context, accountId, userId, groupID string) error
+	DeleteGroups(ctx context.Context, accountId, userId string, groupIDs []string) error
 	ListGroups(ctx context.Context, accountId string) ([]*nbgroup.Group, error)
 	GroupAddPeer(ctx context.Context, accountId, groupID, peerID string) error
 	GroupDeletePeer(ctx context.Context, accountId, groupID, peerID string) error
@@ -920,7 +922,7 @@ func (a *Account) UserGroupsAddToPeers(userID string, groups ...string) {
 func (a *Account) UserGroupsRemoveFromPeers(userID string, groups ...string) {
 	for _, gid := range groups {
 		group, ok := a.Groups[gid]
-		if !ok {
+		if !ok || group.Name == "All" {
 			continue
 		}
 		update := make([]string, 0, len(group.Peers))
@@ -2070,6 +2072,28 @@ func (am *DefaultAccountManager) GetAccountIDForPeerKey(ctx context.Context, pee
 	return am.Store.GetAccountIDByPeerPubKey(ctx, peerKey)
 }
 
+func (am *DefaultAccountManager) handleUserPeer(ctx context.Context, peer *nbpeer.Peer, settings *Settings) (bool, error) {
+	user, err := am.Store.GetUserByUserID(ctx, peer.UserID)
+	if err != nil {
+		return false, err
+	}
+
+	err = checkIfPeerOwnerIsBlocked(peer, user)
+	if err != nil {
+		return false, err
+	}
+
+	if peerLoginExpired(ctx, peer, settings) {
+		err = am.handleExpiredPeer(ctx, user, peer)
+		if err != nil {
+			return false, err
+		}
+		return true, nil
+	}
+
+	return false, nil
+}
+
 // addAllGroup to account object if it doesn't exist
 func addAllGroup(account *Account) error {
 	if len(account.Groups) == 0 {

management/server/config.go

@@ -32,9 +32,10 @@ const (
 
 // Config of the Management service
 type Config struct {
-	Stuns      []*Host
-	TURNConfig *TURNConfig
-	Signal     *Host
+	Stuns       []*Host
+	TURNConfig  *TURNConfig
+	RelayConfig *RelayConfig
+	Signal      *Host
 
 	Datadir                string
 	DataStoreEncryptionKey string
@@ -75,6 +76,10 @@ type TURNConfig struct {
 	Turns                []*Host
 }
 
+type RelayConfig struct {
+	Address string
+}
+
 // HttpServerConfig is a config of the HTTP Management service server
 type HttpServerConfig struct {
 	LetsEncryptDomain string

management/server/file_store.go

@@ -469,6 +469,35 @@ func (s *FileStore) GetUserByTokenID(_ context.Context, tokenID string) (*User,
 	return account.Users[userID].Copy(), nil
 }
 
+func (s *FileStore) GetUserByUserID(_ context.Context, userID string) (*User, error) {
+	accountID, ok := s.UserID2AccountID[userID]
+	if !ok {
+		return nil, status.Errorf(status.NotFound, "accountID not found: provided userID doesn't exists")
+	}
+
+	account, err := s.getAccount(accountID)
+	if err != nil {
+		return nil, err
+	}
+
+	return account.Users[userID].Copy(), nil
+}
+
+func (s *FileStore) GetAccountGroups(ctx context.Context, accountID string) ([]*nbgroup.Group, error) {
+	account, err := s.getAccount(accountID)
+	if err != nil {
+		return nil, err
+	}
+
+	groupsSlice := make([]*nbgroup.Group, 0, len(account.Groups))
+
+	for _, group := range account.Groups {
+		groupsSlice = append(groupsSlice, group)
+	}
+
+	return groupsSlice, nil
+}
+
 // GetAllAccounts returns all accounts
 func (s *FileStore) GetAllAccounts(_ context.Context) (all []*Account) {
 	s.mux.Lock()

management/server/group.go

@@ -2,8 +2,12 @@ package server
 
 import (
 	"context"
+	"errors"
 	"fmt"
+	"slices"
 
+	nbdns "github.com/netbirdio/netbird/dns"
+	"github.com/netbirdio/netbird/route"
 	"github.com/rs/xid"
 	log "github.com/sirupsen/logrus"
 
@@ -243,7 +247,7 @@ func difference(a, b []string) []string {
 	return diff
 }
 
-// DeleteGroup object of the peers
+// DeleteGroup object of the peers.
 func (am *DefaultAccountManager) DeleteGroup(ctx context.Context, accountId, userId, groupID string) error {
 	unlock := am.Store.AcquireWriteLockByUID(ctx, accountId)
 	defer unlock()
@@ -253,96 +257,14 @@ func (am *DefaultAccountManager) DeleteGroup(ctx context.Context, accountId, use
 		return err
 	}
 
-	g, ok := account.Groups[groupID]
+	group, ok := account.Groups[groupID]
 	if !ok {
 		return nil
 	}
 
-	// disable a deleting integration group if the initiator is not an admin service user
-	if g.Issued == nbgroup.GroupIssuedIntegration {
-		executingUser := account.Users[userId]
-		if executingUser == nil {
-			return status.Errorf(status.NotFound, "user not found")
-		}
-		if executingUser.Role != UserRoleAdmin || !executingUser.IsServiceUser {
-			return status.Errorf(status.PermissionDenied, "only service users with admin power can delete integration group")
-		}
+	if err = validateDeleteGroup(account, group, userId); err != nil {
+		return err
 	}
-
-	// check route links
-	for _, r := range account.Routes {
-		for _, g := range r.Groups {
-			if g == groupID {
-				return &GroupLinkError{"route", string(r.NetID)}
-			}
-		}
-		for _, g := range r.PeerGroups {
-			if g == groupID {
-				return &GroupLinkError{"route", string(r.NetID)}
-			}
-		}
-	}
-
-	// check DNS links
-	for _, dns := range account.NameServerGroups {
-		for _, g := range dns.Groups {
-			if g == groupID {
-				return &GroupLinkError{"name server groups", dns.Name}
-			}
-		}
-	}
-
-	// check ACL links
-	for _, policy := range account.Policies {
-		for _, rule := range policy.Rules {
-			for _, src := range rule.Sources {
-				if src == groupID {
-					return &GroupLinkError{"policy", policy.Name}
-				}
-			}
-
-			for _, dst := range rule.Destinations {
-				if dst == groupID {
-					return &GroupLinkError{"policy", policy.Name}
-				}
-			}
-		}
-	}
-
-	// check setup key links
-	for _, setupKey := range account.SetupKeys {
-		for _, grp := range setupKey.AutoGroups {
-			if grp == groupID {
-				return &GroupLinkError{"setup key", setupKey.Name}
-			}
-		}
-	}
-
-	// check user links
-	for _, user := range account.Users {
-		for _, grp := range user.AutoGroups {
-			if grp == groupID {
-				return &GroupLinkError{"user", user.Id}
-			}
-		}
-	}
-
-	// check DisabledManagementGroups
-	for _, disabledMgmGrp := range account.DNSSettings.DisabledManagementGroups {
-		if disabledMgmGrp == groupID {
-			return &GroupLinkError{"disabled DNS management groups", g.Name}
-		}
-	}
-
-	// check integrated peer validator groups
-	if account.Settings.Extra != nil {
-		for _, integratedPeerValidatorGroups := range account.Settings.Extra.IntegratedValidatorGroups {
-			if groupID == integratedPeerValidatorGroups {
-				return &GroupLinkError{"integrated validator", g.Name}
-			}
-		}
-	}
-
 	delete(account.Groups, groupID)
 
 	account.Network.IncSerial()
@@ -350,13 +272,57 @@ func (am *DefaultAccountManager) DeleteGroup(ctx context.Context, accountId, use
 		return err
 	}
 
-	am.StoreEvent(ctx, userId, groupID, accountId, activity.GroupDeleted, g.EventMeta())
+	am.StoreEvent(ctx, userId, groupID, accountId, activity.GroupDeleted, group.EventMeta())
 
 	am.updateAccountPeers(ctx, account)
 
 	return nil
 }
 
+// DeleteGroups deletes groups from an account.
+// Note: This function does not acquire the global lock.
+// It is the caller's responsibility to ensure proper locking is in place before invoking this method.
+//
+// If an error occurs while deleting a group, the function skips it and continues deleting other groups.
+// Errors are collected and returned at the end.
+func (am *DefaultAccountManager) DeleteGroups(ctx context.Context, accountId, userId string, groupIDs []string) error {
+	account, err := am.Store.GetAccount(ctx, accountId)
+	if err != nil {
+		return err
+	}
+
+	var allErrors error
+
+	deletedGroups := make([]*nbgroup.Group, 0, len(groupIDs))
+	for _, groupID := range groupIDs {
+		group, ok := account.Groups[groupID]
+		if !ok {
+			continue
+		}
+
+		if err := validateDeleteGroup(account, group, userId); err != nil {
+			allErrors = errors.Join(allErrors, fmt.Errorf("failed to delete group %s: %w", groupID, err))
+			continue
+		}
+
+		delete(account.Groups, groupID)
+		deletedGroups = append(deletedGroups, group)
+	}
+
+	account.Network.IncSerial()
+	if err = am.Store.SaveAccount(ctx, account); err != nil {
+		return err
+	}
+
+	for _, g := range deletedGroups {
+		am.StoreEvent(ctx, userId, g.ID, accountId, activity.GroupDeleted, g.EventMeta())
+	}
+
+	am.updateAccountPeers(ctx, account)
+
+	return allErrors
+}
+
 // ListGroups objects of the peers
 func (am *DefaultAccountManager) ListGroups(ctx context.Context, accountID string) ([]*nbgroup.Group, error) {
 	unlock := am.Store.AcquireWriteLockByUID(ctx, accountID)
@@ -440,3 +406,102 @@ func (am *DefaultAccountManager) GroupDeletePeer(ctx context.Context, accountID,
 
 	return nil
 }
+
+func validateDeleteGroup(account *Account, group *nbgroup.Group, userID string) error {
+	// disable a deleting integration group if the initiator is not an admin service user
+	if group.Issued == nbgroup.GroupIssuedIntegration {
+		executingUser := account.Users[userID]
+		if executingUser == nil {
+			return status.Errorf(status.NotFound, "user not found")
+		}
+		if executingUser.Role != UserRoleAdmin || !executingUser.IsServiceUser {
+			return status.Errorf(status.PermissionDenied, "only service users with admin power can delete integration group")
+		}
+	}
+
+	if isLinked, linkedRoute := isGroupLinkedToRoute(account.Routes, group.ID); isLinked {
+		return &GroupLinkError{"route", string(linkedRoute.NetID)}
+	}
+
+	if isLinked, linkedDns := isGroupLinkedToDns(account.NameServerGroups, group.ID); isLinked {
+		return &GroupLinkError{"name server groups", linkedDns.Name}
+	}
+
+	if isLinked, linkedPolicy := isGroupLinkedToPolicy(account.Policies, group.ID); isLinked {
+		return &GroupLinkError{"policy", linkedPolicy.Name}
+	}
+
+	if isLinked, linkedSetupKey := isGroupLinkedToSetupKey(account.SetupKeys, group.ID); isLinked {
+		return &GroupLinkError{"setup key", linkedSetupKey.Name}
+	}
+
+	if isLinked, linkedUser := isGroupLinkedToUser(account.Users, group.ID); isLinked {
+		return &GroupLinkError{"user", linkedUser.Id}
+	}
+
+	if slices.Contains(account.DNSSettings.DisabledManagementGroups, group.ID) {
+		return &GroupLinkError{"disabled DNS management groups", group.Name}
+	}
+
+	if account.Settings.Extra != nil {
+		if slices.Contains(account.Settings.Extra.IntegratedValidatorGroups, group.ID) {
+			return &GroupLinkError{"integrated validator", group.Name}
+		}
+	}
+
+	return nil
+}
+
+// isGroupLinkedToRoute checks if a group is linked to any route in the account.
+func isGroupLinkedToRoute(routes map[route.ID]*route.Route, groupID string) (bool, *route.Route) {
+	for _, r := range routes {
+		if slices.Contains(r.Groups, groupID) || slices.Contains(r.PeerGroups, groupID) {
+			return true, r
+		}
+	}
+	return false, nil
+}
+
+// isGroupLinkedToPolicy checks if a group is linked to any policy in the account.
+func isGroupLinkedToPolicy(policies []*Policy, groupID string) (bool, *Policy) {
+	for _, policy := range policies {
+		for _, rule := range policy.Rules {
+			if slices.Contains(rule.Sources, groupID) || slices.Contains(rule.Destinations, groupID) {
+				return true, policy
+			}
+		}
+	}
+	return false, nil
+}
+
+// isGroupLinkedToDns checks if a group is linked to any nameserver group in the account.
+func isGroupLinkedToDns(nameServerGroups map[string]*nbdns.NameServerGroup, groupID string) (bool, *nbdns.NameServerGroup) {
+	for _, dns := range nameServerGroups {
+		for _, g := range dns.Groups {
+			if g == groupID {
+				return true, dns
+			}
+		}
+	}
+	return false, nil
+}
+
+// isGroupLinkedToSetupKey checks if a group is linked to any setup key in the account.
+func isGroupLinkedToSetupKey(setupKeys map[string]*SetupKey, groupID string) (bool, *SetupKey) {
+	for _, setupKey := range setupKeys {
+		if slices.Contains(setupKey.AutoGroups, groupID) {
+			return true, setupKey
+		}
+	}
+	return false, nil
+}
+
+// isGroupLinkedToUser checks if a group is linked to any user in the account.
+func isGroupLinkedToUser(users map[string]*User, groupID string) (bool, *User) {
+	for _, user := range users {
+		if slices.Contains(user.AutoGroups, groupID) {
+			return true, user
+		}
+	}
+	return false, nil
+}

management/server/group_test.go

@@ -3,12 +3,14 @@ package server
 import (
 	"context"
 	"errors"
+	"fmt"
 	"testing"
 
 	nbdns "github.com/netbirdio/netbird/dns"
 	nbgroup "github.com/netbirdio/netbird/management/server/group"
 	"github.com/netbirdio/netbird/management/server/status"
 	"github.com/netbirdio/netbird/route"
+	"github.com/stretchr/testify/assert"
 )
 
 const (
@@ -21,7 +23,7 @@ func TestDefaultAccountManager_CreateGroup(t *testing.T) {
 		t.Error("failed to create account manager")
 	}
 
-	account, err := initTestGroupAccount(am)
+	_, account, err := initTestGroupAccount(am)
 	if err != nil {
 		t.Error("failed to init testing account")
 	}
@@ -56,7 +58,7 @@ func TestDefaultAccountManager_DeleteGroup(t *testing.T) {
 		t.Error("failed to create account manager")
 	}
 
-	account, err := initTestGroupAccount(am)
+	_, account, err := initTestGroupAccount(am)
 	if err != nil {
 		t.Error("failed to init testing account")
 	}
@@ -132,7 +134,136 @@ func TestDefaultAccountManager_DeleteGroup(t *testing.T) {
 	}
 }
 
-func initTestGroupAccount(am *DefaultAccountManager) (*Account, error) {
+func TestDefaultAccountManager_DeleteGroups(t *testing.T) {
+	am, err := createManager(t)
+	assert.NoError(t, err, "Failed to create account manager")
+
+	manager, account, err := initTestGroupAccount(am)
+	assert.NoError(t, err, "Failed to init testing account")
+
+	groups := make([]*nbgroup.Group, 10)
+	for i := 0; i < 10; i++ {
+		groups[i] = &nbgroup.Group{
+			ID:        fmt.Sprintf("group-%d", i+1),
+			AccountID: account.Id,
+			Name:      fmt.Sprintf("group-%d", i+1),
+			Issued:    nbgroup.GroupIssuedAPI,
+		}
+	}
+
+	err = manager.SaveGroups(context.Background(), account.Id, groupAdminUserID, groups)
+	assert.NoError(t, err, "Failed to save test groups")
+
+	testCases := []struct {
+		name               string
+		groupIDs           []string
+		expectedReasons    []string
+		expectedDeleted    []string
+		expectedNotDeleted []string
+	}{
+		{
+			name:            "route",
+			groupIDs:        []string{"grp-for-route"},
+			expectedReasons: []string{"route"},
+		},
+		{
+			name:            "route with peer groups",
+			groupIDs:        []string{"grp-for-route2"},
+			expectedReasons: []string{"route"},
+		},
+		{
+			name:            "name server groups",
+			groupIDs:        []string{"grp-for-name-server-grp"},
+			expectedReasons: []string{"name server groups"},
+		},
+		{
+			name:            "policy",
+			groupIDs:        []string{"grp-for-policies"},
+			expectedReasons: []string{"policy"},
+		},
+		{
+			name:            "setup keys",
+			groupIDs:        []string{"grp-for-keys"},
+			expectedReasons: []string{"setup key"},
+		},
+		{
+			name:            "users",
+			groupIDs:        []string{"grp-for-users"},
+			expectedReasons: []string{"user"},
+		},
+		{
+			name:            "integration",
+			groupIDs:        []string{"grp-for-integration"},
+			expectedReasons: []string{"only service users with admin power can delete integration group"},
+		},
+		{
+			name:            "successfully delete multiple groups",
+			groupIDs:        []string{"group-1", "group-2"},
+			expectedDeleted: []string{"group-1", "group-2"},
+		},
+		{
+			name:            "delete non-existent group",
+			groupIDs:        []string{"non-existent-group"},
+			expectedDeleted: []string{"non-existent-group"},
+		},
+		{
+			name:               "delete multiple groups with mixed results",
+			groupIDs:           []string{"group-3", "grp-for-policies", "group-4", "grp-for-users"},
+			expectedReasons:    []string{"policy", "user"},
+			expectedDeleted:    []string{"group-3", "group-4"},
+			expectedNotDeleted: []string{"grp-for-policies", "grp-for-users"},
+		},
+		{
+			name:               "delete groups with multiple errors",
+			groupIDs:           []string{"grp-for-policies", "grp-for-users"},
+			expectedReasons:    []string{"policy", "user"},
+			expectedNotDeleted: []string{"grp-for-policies", "grp-for-users"},
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			err = am.DeleteGroups(context.Background(), account.Id, groupAdminUserID, tc.groupIDs)
+			if len(tc.expectedReasons) > 0 {
+				assert.Error(t, err)
+				var foundExpectedErrors int
+
+				wrappedErr, ok := err.(interface{ Unwrap() []error })
+				assert.Equal(t, ok, true)
+
+				for _, e := range wrappedErr.Unwrap() {
+					var sErr *status.Error
+					if errors.As(e, &sErr) {
+						assert.Contains(t, tc.expectedReasons, sErr.Message, "unexpected error message")
+						foundExpectedErrors++
+					}
+
+					var gErr *GroupLinkError
+					if errors.As(e, &gErr) {
+						assert.Contains(t, tc.expectedReasons, gErr.Resource, "unexpected error resource")
+						foundExpectedErrors++
+					}
+				}
+				assert.Equal(t, len(tc.expectedReasons), foundExpectedErrors, "not all expected errors were found")
+			} else {
+				assert.NoError(t, err)
+			}
+
+			for _, groupID := range tc.expectedDeleted {
+				_, err := am.GetGroup(context.Background(), account.Id, groupID, groupAdminUserID)
+				assert.Error(t, err, "group should have been deleted: %s", groupID)
+			}
+
+			for _, groupID := range tc.expectedNotDeleted {
+				group, err := am.GetGroup(context.Background(), account.Id, groupID, groupAdminUserID)
+				assert.NoError(t, err, "group should not have been deleted: %s", groupID)
+				assert.NotNil(t, group, "group should exist: %s", groupID)
+			}
+		})
+	}
+}
+
+func initTestGroupAccount(am *DefaultAccountManager) (*DefaultAccountManager, *Account, error) {
 	accountID := "testingAcc"
 	domain := "example.com"
 
@@ -236,7 +367,7 @@ func initTestGroupAccount(am *DefaultAccountManager) (*Account, error) {
 
 	err := am.Store.SaveAccount(context.Background(), account)
 	if err != nil {
-		return nil, err
+		return nil, nil, err
 	}
 
 	_ = am.SaveGroup(context.Background(), accountID, groupAdminUserID, groupForRoute)
@@ -247,5 +378,9 @@ func initTestGroupAccount(am *DefaultAccountManager) (*Account, error) {
 	_ = am.SaveGroup(context.Background(), accountID, groupAdminUserID, groupForUsers)
 	_ = am.SaveGroup(context.Background(), accountID, groupAdminUserID, groupForIntegration)
 
-	return am.Store.GetAccount(context.Background(), account.Id)
+	acc, err := am.Store.GetAccount(context.Background(), account.Id)
+	if err != nil {
+		return nil, nil, err
+	}
+	return am, acc, nil
 }

management/server/grpcserver.go

@@ -16,13 +16,12 @@ import (
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
 
-	nbContext "github.com/netbirdio/netbird/management/server/context"
-	"github.com/netbirdio/netbird/management/server/posture"
-
 	"github.com/netbirdio/netbird/encryption"
 	"github.com/netbirdio/netbird/management/proto"
+	nbContext "github.com/netbirdio/netbird/management/server/context"
 	"github.com/netbirdio/netbird/management/server/jwtclaims"
 	nbpeer "github.com/netbirdio/netbird/management/server/peer"
+	"github.com/netbirdio/netbird/management/server/posture"
 	internalStatus "github.com/netbirdio/netbird/management/server/status"
 	"github.com/netbirdio/netbird/management/server/telemetry"
 )
@@ -32,17 +31,17 @@ type GRPCServer struct {
 	accountManager AccountManager
 	wgKey          wgtypes.Key
 	proto.UnimplementedManagementServiceServer
-	peersUpdateManager     *PeersUpdateManager
-	config                 *Config
-	turnCredentialsManager TURNCredentialsManager
-	jwtValidator           *jwtclaims.JWTValidator
-	jwtClaimsExtractor     *jwtclaims.ClaimsExtractor
-	appMetrics             telemetry.AppMetrics
-	ephemeralManager       *EphemeralManager
+	peersUpdateManager    *PeersUpdateManager
+	config                *Config
+	turnRelayTokenManager TURNRelayTokenManager
+	jwtValidator          *jwtclaims.JWTValidator
+	jwtClaimsExtractor    *jwtclaims.ClaimsExtractor
+	appMetrics            telemetry.AppMetrics
+	ephemeralManager      *EphemeralManager
 }
 
 // NewServer creates a new Management server
-func NewServer(ctx context.Context, config *Config, accountManager AccountManager, peersUpdateManager *PeersUpdateManager, turnCredentialsManager TURNCredentialsManager, appMetrics telemetry.AppMetrics, ephemeralManager *EphemeralManager) (*GRPCServer, error) {
+func NewServer(ctx context.Context, config *Config, accountManager AccountManager, peersUpdateManager *PeersUpdateManager, turnRelayTokenManager TURNRelayTokenManager, appMetrics telemetry.AppMetrics, ephemeralManager *EphemeralManager) (*GRPCServer, error) {
 	key, err := wgtypes.GeneratePrivateKey()
 	if err != nil {
 		return nil, err
@@ -88,14 +87,14 @@ func NewServer(ctx context.Context, config *Config, accountManager AccountManage
 	return &GRPCServer{
 		wgKey: key,
 		// peerKey -> event channel
-		peersUpdateManager:     peersUpdateManager,
-		accountManager:         accountManager,
-		config:                 config,
-		turnCredentialsManager: turnCredentialsManager,
-		jwtValidator:           jwtValidator,
-		jwtClaimsExtractor:     jwtClaimsExtractor,
-		appMetrics:             appMetrics,
-		ephemeralManager:       ephemeralManager,
+		peersUpdateManager:    peersUpdateManager,
+		accountManager:        accountManager,
+		config:                config,
+		turnRelayTokenManager: turnRelayTokenManager,
+		jwtValidator:          jwtValidator,
+		jwtClaimsExtractor:    jwtClaimsExtractor,
+		appMetrics:            appMetrics,
+		ephemeralManager:      ephemeralManager,
 	}, nil
 }
 
@@ -172,7 +171,7 @@ func (s *GRPCServer) Sync(req *proto.EncryptedMessage, srv proto.ManagementServi
 	s.ephemeralManager.OnPeerConnected(ctx, peer)
 
 	if s.config.TURNConfig.TimeBasedCredentials {
-		s.turnCredentialsManager.SetupRefresh(ctx, peer.ID)
+		s.turnRelayTokenManager.SetupRefresh(ctx, peer.ID)
 	}
 
 	if s.appMetrics != nil {
@@ -235,7 +234,7 @@ func (s *GRPCServer) sendUpdate(ctx context.Context, accountID string, peerKey w
 
 func (s *GRPCServer) cancelPeerRoutines(ctx context.Context, accountID string, peer *nbpeer.Peer) {
 	s.peersUpdateManager.CloseChannel(ctx, peer.ID)
-	s.turnCredentialsManager.CancelRefresh(peer.ID)
+	s.turnRelayTokenManager.CancelRefresh(peer.ID)
 	_ = s.accountManager.OnPeerDisconnected(ctx, accountID, peer.Key)
 	s.ephemeralManager.OnPeerDisconnected(ctx, peer)
 }
@@ -257,7 +256,7 @@ func (s *GRPCServer) validateToken(ctx context.Context, jwtToken string) (string
 	}
 
 	if err := s.accountManager.CheckUserAccessByJWTGroups(ctx, claims); err != nil {
-		return "", status.Errorf(codes.PermissionDenied, err.Error())
+		return "", status.Error(codes.PermissionDenied, err.Error())
 	}
 
 	return claims.UserId, nil
@@ -268,15 +267,15 @@ func mapError(ctx context.Context, err error) error {
 	if e, ok := internalStatus.FromError(err); ok {
 		switch e.Type() {
 		case internalStatus.PermissionDenied:
-			return status.Errorf(codes.PermissionDenied, e.Message)
+			return status.Error(codes.PermissionDenied, e.Message)
 		case internalStatus.Unauthorized:
-			return status.Errorf(codes.PermissionDenied, e.Message)
+			return status.Error(codes.PermissionDenied, e.Message)
 		case internalStatus.Unauthenticated:
-			return status.Errorf(codes.PermissionDenied, e.Message)
+			return status.Error(codes.PermissionDenied, e.Message)
 		case internalStatus.PreconditionFailed:
-			return status.Errorf(codes.FailedPrecondition, e.Message)
+			return status.Error(codes.FailedPrecondition, e.Message)
 		case internalStatus.NotFound:
-			return status.Errorf(codes.NotFound, e.Message)
+			return status.Error(codes.NotFound, e.Message)
 		default:
 		}
 	}
@@ -421,9 +420,14 @@ func (s *GRPCServer) Login(ctx context.Context, req *proto.EncryptedMessage) (*p
 		s.ephemeralManager.OnPeerDisconnected(ctx, peer)
 	}
 
+	trt, err := s.turnRelayTokenManager.Generate()
+	if err != nil {
+		log.Errorf("failed generating TURN and Relay token: %v", err)
+	}
+
 	// if peer has reached this point then it has logged in
 	loginResp := &proto.LoginResponse{
-		WiretrusteeConfig: toWiretrusteeConfig(s.config, nil),
+		WiretrusteeConfig: toWiretrusteeConfig(s.config, nil, trt),
 		PeerConfig:        toPeerConfig(peer, netMap.Network, s.accountManager.GetDNSDomain()),
 		Checks:            toProtocolChecks(ctx, postureChecks),
 	}
@@ -481,7 +485,7 @@ func ToResponseProto(configProto Protocol) proto.HostConfig_Protocol {
 	}
 }
 
-func toWiretrusteeConfig(config *Config, turnCredentials *TURNCredentials) *proto.WiretrusteeConfig {
+func toWiretrusteeConfig(config *Config, turnCredentials *TURNRelayToken, relayToken *TURNRelayToken) *proto.WiretrusteeConfig {
 	if config == nil {
 		return nil
 	}
@@ -497,8 +501,8 @@ func toWiretrusteeConfig(config *Config, turnCredentials *TURNCredentials) *prot
 		var username string
 		var password string
 		if turnCredentials != nil {
-			username = turnCredentials.Username
-			password = turnCredentials.Password
+			username = turnCredentials.Payload
+			password = turnCredentials.Signature
 		} else {
 			username = turn.Username
 			password = turn.Password
@@ -513,6 +517,18 @@ func toWiretrusteeConfig(config *Config, turnCredentials *TURNCredentials) *prot
 		})
 	}
 
+	var relayCfg *proto.RelayConfig
+	if config.RelayConfig != nil && config.RelayConfig.Address != "" {
+		relayCfg = &proto.RelayConfig{
+			Urls: []string{config.RelayConfig.Address},
+		}
+
+		if relayToken != nil {
+			relayCfg.TokenPayload = relayToken.Payload
+			relayCfg.TokenSignature = relayToken.Signature
+		}
+	}
+
 	return &proto.WiretrusteeConfig{
 		Stuns: stuns,
 		Turns: turns,
@@ -520,6 +536,7 @@ func toWiretrusteeConfig(config *Config, turnCredentials *TURNCredentials) *prot
 			Uri:      config.Signal.URI,
 			Protocol: ToResponseProto(config.Signal.Proto),
 		},
+		Relay: relayCfg,
 	}
 }
 
@@ -533,9 +550,9 @@ func toPeerConfig(peer *nbpeer.Peer, network *Network, dnsName string) *proto.Pe
 	}
 }
 
-func toSyncResponse(ctx context.Context, config *Config, peer *nbpeer.Peer, turnCredentials *TURNCredentials, networkMap *NetworkMap, dnsName string, checks []*posture.Checks, dnsCache *DNSConfigCache) *proto.SyncResponse {
+func toSyncResponse(ctx context.Context, config *Config, peer *nbpeer.Peer, turnCredentials *TURNRelayToken, relayCredentials *TURNRelayToken, networkMap *NetworkMap, dnsName string, checks []*posture.Checks, dnsCache *DNSConfigCache) *proto.SyncResponse {
 	response := &proto.SyncResponse{
-		WiretrusteeConfig: toWiretrusteeConfig(config, turnCredentials),
+		WiretrusteeConfig: toWiretrusteeConfig(config, turnCredentials, relayCredentials),
 		PeerConfig:        toPeerConfig(peer, networkMap.Network, dnsName),
 		NetworkMap: &proto.NetworkMap{
 			Serial:    networkMap.Network.CurrentSerial(),
@@ -583,14 +600,15 @@ func (s *GRPCServer) IsHealthy(ctx context.Context, req *proto.Empty) (*proto.Em
 // sendInitialSync sends initial proto.SyncResponse to the peer requesting synchronization
 func (s *GRPCServer) sendInitialSync(ctx context.Context, peerKey wgtypes.Key, peer *nbpeer.Peer, networkMap *NetworkMap, postureChecks []*posture.Checks, srv proto.ManagementService_SyncServer) error {
 	// make secret time based TURN credentials optional
-	var turnCredentials *TURNCredentials
-	if s.config.TURNConfig.TimeBasedCredentials {
-		creds := s.turnCredentialsManager.GenerateCredentials()
-		turnCredentials = &creds
-	} else {
-		turnCredentials = nil
+	var turnCredentials *TURNRelayToken
+	trt, err := s.turnRelayTokenManager.Generate()
+	if err != nil {
+		log.Errorf("failed generating TURN and Relay token: %v", err)
 	}
-	plainResp := toSyncResponse(ctx, s.config, peer, turnCredentials, networkMap, s.accountManager.GetDNSDomain(), postureChecks, nil)
+	if s.config.TURNConfig.TimeBasedCredentials {
+		turnCredentials = trt
+	}
+	plainResp := toSyncResponse(ctx, s.config, peer, turnCredentials, trt, networkMap, s.accountManager.GetDNSDomain(), postureChecks, nil)
 
 	encryptedResp, err := encryption.EncryptMessage(peerKey, s.wgKey, plainResp)
 	if err != nil {

management/server/http/posture_checks_handler_test.go

@@ -46,7 +46,7 @@ func initPostureChecksTestData(postureChecks ...*posture.Checks) *PostureChecksH
 				testPostureChecks[postureChecks.ID] = postureChecks
 
 				if err := postureChecks.Validate(); err != nil {
-					return status.Errorf(status.InvalidArgument, err.Error())
+					return status.Errorf(status.InvalidArgument, err.Error()) //nolint
 				}
 
 				return nil

management/server/idp/auth0_test.go

@@ -3,6 +3,7 @@ package idp
 import (
 	"context"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"io"
 	"net/http"
@@ -44,14 +45,14 @@ type mockJsonParser struct {
 
 func (m *mockJsonParser) Marshal(v interface{}) ([]byte, error) {
 	if m.marshalErrorString != "" {
-		return nil, fmt.Errorf(m.marshalErrorString)
+		return nil, errors.New(m.marshalErrorString)
 	}
 	return m.jsonParser.Marshal(v)
 }
 
 func (m *mockJsonParser) Unmarshal(data []byte, v interface{}) error {
 	if m.unmarshalErrorString != "" {
-		return fmt.Errorf(m.unmarshalErrorString)
+		return errors.New(m.unmarshalErrorString)
 	}
 	return m.jsonParser.Unmarshal(data, v)
 }

management/server/jwtclaims/jwtValidator.go

@@ -150,7 +150,7 @@ func (m *JWTValidator) ValidateAndParse(ctx context.Context, token string) (*jwt
 		// If we get here, the required token is missing
 		errorMsg := "required authorization token not found"
 		log.WithContext(ctx).Debugf("  Error: No credentials found (CredentialsOptional=false)")
-		return nil, fmt.Errorf(errorMsg)
+		return nil, errors.New(errorMsg)
 	}
 
 	// Now parse the token
@@ -173,7 +173,7 @@ func (m *JWTValidator) ValidateAndParse(ctx context.Context, token string) (*jwt
 	// Check if the parsed token is valid...
 	if !parsedToken.Valid {
 		errorMsg := "token is invalid"
-		log.WithContext(ctx).Debugf(errorMsg)
+		log.WithContext(ctx).Debug(errorMsg)
 		return nil, errors.New(errorMsg)
 	}
 

management/server/management_proto_test.go

@@ -429,7 +429,11 @@ func startManagement(t *testing.T, config *Config) (*grpc.Server, *DefaultAccoun
 	if err != nil {
 		return nil, nil, "", err
 	}
-	turnManager := NewTimeBasedAuthSecretsManager(peersUpdateManager, config.TURNConfig)
+
+	rc := &RelayConfig{
+		Address: "localhost:0",
+	}
+	turnManager := NewTimeBasedAuthSecretsManager(peersUpdateManager, config.TURNConfig, rc)
 
 	ephemeralMgr := NewEphemeralManager(store, accountManager)
 	mgmtServer, err := NewServer(context.Background(), config, accountManager, peersUpdateManager, turnManager, nil, ephemeralMgr)

management/server/management_test.go

@@ -552,7 +552,11 @@ func startServer(config *server.Config) (*grpc.Server, net.Listener) {
 	if err != nil {
 		log.Fatalf("failed creating a manager: %v", err)
 	}
-	turnManager := server.NewTimeBasedAuthSecretsManager(peersUpdateManager, config.TURNConfig)
+
+	rc := &server.RelayConfig{
+		Address: "localhost:0",
+	}
+	turnManager := server.NewTimeBasedAuthSecretsManager(peersUpdateManager, config.TURNConfig, rc)
 	mgmtServer, err := server.NewServer(context.Background(), config, accountManager, peersUpdateManager, turnManager, nil, nil)
 	Expect(err).NotTo(HaveOccurred())
 	mgmtProto.RegisterManagementServiceServer(s, mgmtServer)

management/server/mock_server/account_mock.go

@@ -42,6 +42,7 @@ type MockAccountManager struct {
 	SaveGroupFunc                       func(ctx context.Context, accountID, userID string, group *group.Group) error
 	SaveGroupsFunc                      func(ctx context.Context, accountID, userID string, groups []*group.Group) error
 	DeleteGroupFunc                     func(ctx context.Context, accountID, userId, groupID string) error
+	DeleteGroupsFunc                    func(ctx context.Context, accountId, userId string, groupIDs []string) error
 	ListGroupsFunc                      func(ctx context.Context, accountID string) ([]*group.Group, error)
 	GroupAddPeerFunc                    func(ctx context.Context, accountID, groupID, peerID string) error
 	GroupDeletePeerFunc                 func(ctx context.Context, accountID, groupID, peerID string) error
@@ -67,6 +68,7 @@ type MockAccountManager struct {
 	SaveOrAddUserFunc                   func(ctx context.Context, accountID, userID string, user *server.User, addIfNotExists bool) (*server.UserInfo, error)
 	SaveOrAddUsersFunc                  func(ctx context.Context, accountID, initiatorUserID string, update []*server.User, addIfNotExists bool) ([]*server.UserInfo, error)
 	DeleteUserFunc                      func(ctx context.Context, accountID string, initiatorUserID string, targetUserID string) error
+	DeleteRegularUsersFunc              func(ctx context.Context, accountID, initiatorUserID string, targetUserIDs []string) error
 	CreatePATFunc                       func(ctx context.Context, accountID string, initiatorUserID string, targetUserId string, tokenName string, expiresIn int) (*server.PersonalAccessTokenGenerated, error)
 	DeletePATFunc                       func(ctx context.Context, accountID string, initiatorUserID string, targetUserId string, tokenID string) error
 	GetPATFunc                          func(ctx context.Context, accountID string, initiatorUserID string, targetUserId string, tokenID string) (*server.PersonalAccessToken, error)
@@ -326,6 +328,14 @@ func (am *MockAccountManager) DeleteGroup(ctx context.Context, accountId, userId
 	return status.Errorf(codes.Unimplemented, "method DeleteGroup is not implemented")
 }
 
+// DeleteGroups mock implementation of DeleteGroups from server.AccountManager interface
+func (am *MockAccountManager) DeleteGroups(ctx context.Context, accountId, userId string, groupIDs []string) error {
+	if am.DeleteGroupsFunc != nil {
+		return am.DeleteGroupsFunc(ctx, accountId, userId, groupIDs)
+	}
+	return status.Errorf(codes.Unimplemented, "method DeleteGroups is not implemented")
+}
+
 // ListGroups mock implementation of ListGroups from server.AccountManager interface
 func (am *MockAccountManager) ListGroups(ctx context.Context, accountID string) ([]*group.Group, error) {
 	if am.ListGroupsFunc != nil {
@@ -528,6 +538,14 @@ func (am *MockAccountManager) DeleteUser(ctx context.Context, accountID string,
 	return status.Errorf(codes.Unimplemented, "method DeleteUser is not implemented")
 }
 
+// DeleteRegularUsers mocks DeleteRegularUsers of the AccountManager interface
+func (am *MockAccountManager) DeleteRegularUsers(ctx context.Context, accountID string, initiatorUserID string, targetUserIDs []string) error {
+	if am.DeleteRegularUsersFunc != nil {
+		return am.DeleteRegularUsersFunc(ctx, accountID, initiatorUserID, targetUserIDs)
+	}
+	return status.Errorf(codes.Unimplemented, "method DeleteRegularUsers is not implemented")
+}
+
 func (am *MockAccountManager) InviteUser(ctx context.Context, accountID string, initiatorUserID string, targetUserID string) error {
 	if am.InviteUserFunc != nil {
 		return am.InviteUserFunc(ctx, accountID, initiatorUserID, targetUserID)

management/server/peer.go

@@ -549,16 +549,25 @@ func (am *DefaultAccountManager) SyncPeer(ctx context.Context, sync PeerSync, ac
 		return nil, nil, nil, status.NewPeerNotRegisteredError()
 	}
 
-	err = checkIfPeerOwnerIsBlocked(peer, account)
-	if err != nil {
-		return nil, nil, nil, err
+	if peer.UserID != "" {
+		log.Infof("Peer has no userID")
+
+		user, err := account.FindUser(peer.UserID)
+		if err != nil {
+			return nil, nil, nil, err
+		}
+
+		err = checkIfPeerOwnerIsBlocked(peer, user)
+		if err != nil {
+			return nil, nil, nil, err
+		}
 	}
 
 	if peerLoginExpired(ctx, peer, account.Settings) {
 		return nil, nil, nil, status.NewPeerLoginExpiredError()
 	}
 
-	peer, updated := updatePeerMeta(peer, sync.Meta, account)
+	updated := peer.UpdateMetaIfNew(sync.Meta)
 	if updated {
 		err = am.Store.SavePeer(ctx, account.Id, peer)
 		if err != nil {
@@ -624,31 +633,28 @@ func (am *DefaultAccountManager) LoginPeer(ctx context.Context, login PeerLogin)
 	// it means that the client has already checked if it needs login and had been through the SSO flow
 	// so, we can skip this check and directly proceed with the login
 	if login.UserID == "" {
+		log.Info("Peer needs login")
 		err = am.checkIFPeerNeedsLoginWithoutLock(ctx, accountID, login)
 		if err != nil {
 			return nil, nil, nil, err
 		}
 	}
 
-	unlock := am.Store.AcquireWriteLockByUID(ctx, accountID)
+	unlockAccount := am.Store.AcquireReadLockByUID(ctx, accountID)
+	defer unlockAccount()
+	unlockPeer := am.Store.AcquireWriteLockByUID(ctx, login.WireGuardPubKey)
 	defer func() {
-		if unlock != nil {
-			unlock()
+		if unlockPeer != nil {
+			unlockPeer()
 		}
 	}()
 
-	// fetch the account from the store once more after acquiring lock to avoid concurrent updates inconsistencies
-	account, err := am.Store.GetAccount(ctx, accountID)
+	peer, err := am.Store.GetPeerByPeerPubKey(ctx, login.WireGuardPubKey)
 	if err != nil {
 		return nil, nil, nil, err
 	}
 
-	peer, err := account.FindPeerByPubKey(login.WireGuardPubKey)
-	if err != nil {
-		return nil, nil, nil, status.NewPeerNotRegisteredError()
-	}
-
-	err = checkIfPeerOwnerIsBlocked(peer, account)
+	settings, err := am.Store.GetAccountSettings(ctx, accountID)
 	if err != nil {
 		return nil, nil, nil, err
 	}
@@ -656,21 +662,39 @@ func (am *DefaultAccountManager) LoginPeer(ctx context.Context, login PeerLogin)
 	// this flag prevents unnecessary calls to the persistent store.
 	shouldStorePeer := false
 	updateRemotePeers := false
-	if peerLoginExpired(ctx, peer, account.Settings) {
-		err = am.handleExpiredPeer(ctx, login, account, peer)
+
+	if login.UserID != "" {
+		changed, err := am.handleUserPeer(ctx, peer, settings)
 		if err != nil {
 			return nil, nil, nil, err
 		}
-		updateRemotePeers = true
-		shouldStorePeer = true
+		if changed {
+			shouldStorePeer = true
+			updateRemotePeers = true
+		}
 	}
 
-	isRequiresApproval, isStatusChanged, err := am.integratedPeerValidator.IsNotValidPeer(ctx, account.Id, peer, account.GetPeerGroupsList(peer.ID), account.Settings.Extra)
+	groups, err := am.Store.GetAccountGroups(ctx, accountID)
 	if err != nil {
 		return nil, nil, nil, err
 	}
 
-	peer, updated := updatePeerMeta(peer, login.Meta, account)
+	var grps []string
+	for _, group := range groups {
+		for _, id := range group.Peers {
+			if id == peer.ID {
+				grps = append(grps, group.ID)
+				break
+			}
+		}
+	}
+
+	isRequiresApproval, isStatusChanged, err := am.integratedPeerValidator.IsNotValidPeer(ctx, accountID, peer, grps, settings.Extra)
+	if err != nil {
+		return nil, nil, nil, err
+	}
+
+	updated := peer.UpdateMetaIfNew(login.Meta)
 	if updated {
 		shouldStorePeer = true
 	}
@@ -687,8 +711,13 @@ func (am *DefaultAccountManager) LoginPeer(ctx context.Context, login PeerLogin)
 		}
 	}
 
-	unlock()
-	unlock = nil
+	unlockPeer()
+	unlockPeer = nil
+
+	account, err := am.Store.GetAccount(ctx, accountID)
+	if err != nil {
+		return nil, nil, nil, err
+	}
 
 	if updateRemotePeers || isStatusChanged {
 		am.updateAccountPeers(ctx, account)
@@ -746,36 +775,30 @@ func (am *DefaultAccountManager) getValidatedPeerWithMap(ctx context.Context, is
 	return peer, account.GetPeerNetworkMap(ctx, peer.ID, customZone, approvedPeersMap, am.metrics.AccountManagerMetrics()), postureChecks, nil
 }
 
-func (am *DefaultAccountManager) handleExpiredPeer(ctx context.Context, login PeerLogin, account *Account, peer *nbpeer.Peer) error {
-	err := checkAuth(ctx, login.UserID, peer)
+func (am *DefaultAccountManager) handleExpiredPeer(ctx context.Context, user *User, peer *nbpeer.Peer) error {
+	err := checkAuth(ctx, user.Id, peer)
 	if err != nil {
 		return err
 	}
 	// If peer was expired before and if it reached this point, it is re-authenticated.
 	// UserID is present, meaning that JWT validation passed successfully in the API layer.
-	updatePeerLastLogin(peer, account)
-
-	// sync user last login with peer last login
-	user, err := account.FindUser(login.UserID)
-	if err != nil {
-		return status.Errorf(status.Internal, "couldn't find user")
-	}
-
-	err = am.Store.SaveUserLastLogin(account.Id, user.Id, peer.LastLogin)
+	peer = peer.UpdateLastLogin()
+	err = am.Store.SavePeer(ctx, peer.AccountID, peer)
 	if err != nil {
 		return err
 	}
 
-	am.StoreEvent(ctx, login.UserID, peer.ID, account.Id, activity.UserLoggedInPeer, peer.EventMeta(am.GetDNSDomain()))
+	err = am.Store.SaveUserLastLogin(user.AccountID, user.Id, peer.LastLogin)
+	if err != nil {
+		return err
+	}
+
+	am.StoreEvent(ctx, user.Id, peer.ID, user.AccountID, activity.UserLoggedInPeer, peer.EventMeta(am.GetDNSDomain()))
 	return nil
 }
 
-func checkIfPeerOwnerIsBlocked(peer *nbpeer.Peer, account *Account) error {
+func checkIfPeerOwnerIsBlocked(peer *nbpeer.Peer, user *User) error {
 	if peer.AddedWithSSOLogin() {
-		user, err := account.FindUser(peer.UserID)
-		if err != nil {
-			return status.Errorf(status.PermissionDenied, "user doesn't exist")
-		}
 		if user.IsBlocked() {
 			return status.Errorf(status.PermissionDenied, "user is blocked")
 		}
@@ -805,11 +828,6 @@ func peerLoginExpired(ctx context.Context, peer *nbpeer.Peer, settings *Settings
 	return false
 }
 
-func updatePeerLastLogin(peer *nbpeer.Peer, account *Account) {
-	peer.UpdateLastLogin()
-	account.UpdatePeer(peer)
-}
-
 // UpdatePeerSSHKey updates peer's public SSH key
 func (am *DefaultAccountManager) UpdatePeerSSHKey(ctx context.Context, peerID string, sshKey string) error {
 	if sshKey == "" {
@@ -908,14 +926,6 @@ func (am *DefaultAccountManager) GetPeer(ctx context.Context, accountID, peerID,
 	return nil, status.Errorf(status.Internal, "user %s has no access to peer %s under account %s", userID, peerID, accountID)
 }
 
-func updatePeerMeta(peer *nbpeer.Peer, meta nbpeer.PeerSystemMeta, account *Account) (*nbpeer.Peer, bool) {
-	if peer.UpdateMetaIfNew(meta) {
-		account.UpdatePeer(peer)
-		return peer, true
-	}
-	return peer, false
-}
-
 // updateAccountPeers updates all peers that belong to an account.
 // Should be called when changes have to be synced to peers.
 func (am *DefaultAccountManager) updateAccountPeers(ctx context.Context, account *Account) {
@@ -954,7 +964,7 @@ func (am *DefaultAccountManager) updateAccountPeers(ctx context.Context, account
 
 			postureChecks := am.getPeerPostureChecks(account, p)
 			remotePeerNetworkMap := account.GetPeerNetworkMap(ctx, p.ID, customZone, approvedPeersMap, am.metrics.AccountManagerMetrics())
-			update := toSyncResponse(ctx, nil, p, nil, remotePeerNetworkMap, am.GetDNSDomain(), postureChecks, dnsCache)
+			update := toSyncResponse(ctx, nil, p, nil, nil, remotePeerNetworkMap, am.GetDNSDomain(), postureChecks, dnsCache)
 			am.peersUpdateManager.SendUpdate(ctx, p.ID, &UpdateMessage{Update: update})
 		}(peer)
 	}

management/server/peer_test.go

@@ -848,9 +848,9 @@ func TestToSyncResponse(t *testing.T) {
 		DNSLabel:   "peer1",
 		SSHKey:     "peer1-ssh-key",
 	}
-	turnCredentials := &TURNCredentials{
-		Username: "turn-user",
-		Password: "turn-pass",
+	turnRelayToken := &TURNRelayToken{
+		Payload:   "turn-user",
+		Signature: "turn-pass",
 	}
 	networkMap := &NetworkMap{
 		Network:      &Network{Net: *ipnet, Serial: 1000},
@@ -916,7 +916,7 @@ func TestToSyncResponse(t *testing.T) {
 	}
 	dnsCache := &DNSConfigCache{}
 
-	response := toSyncResponse(context.Background(), config, peer, turnCredentials, networkMap, dnsName, checks, dnsCache)
+	response := toSyncResponse(context.Background(), config, peer, turnRelayToken, turnRelayToken, networkMap, dnsName, checks, dnsCache)
 
 	assert.NotNil(t, response)
 	// assert peer config

management/server/posture_checks.go

@@ -60,7 +60,7 @@ func (am *DefaultAccountManager) SavePostureChecks(ctx context.Context, accountI
 	}
 
 	if err := postureChecks.Validate(); err != nil {
-		return status.Errorf(status.InvalidArgument, err.Error())
+		return status.Errorf(status.InvalidArgument, err.Error()) //nolint
 	}
 
 	exists, uniqName := am.savePostureChecks(account, postureChecks)

management/server/setupkey.go

@@ -223,10 +223,8 @@ func (am *DefaultAccountManager) CreateSetupKey(ctx context.Context, accountID s
 		return nil, err
 	}
 
-	for _, group := range autoGroups {
-		if _, ok := account.Groups[group]; !ok {
-			return nil, status.Errorf(status.NotFound, "group %s doesn't exist", group)
-		}
+	if err := validateSetupKeyAutoGroups(account, autoGroups); err != nil {
+		return nil, err
 	}
 
 	setupKey := GenerateSetupKey(keyName, keyType, keyDuration, autoGroups, usageLimit, ephemeral)
@@ -279,6 +277,10 @@ func (am *DefaultAccountManager) SaveSetupKey(ctx context.Context, accountID str
 		return nil, status.Errorf(status.NotFound, "setup key not found")
 	}
 
+	if err := validateSetupKeyAutoGroups(account, keyToSave.AutoGroups); err != nil {
+		return nil, err
+	}
+
 	// only auto groups, revoked status, and name can be updated for now
 	newKey := oldKey.Copy()
 	newKey.Name = keyToSave.Name
@@ -399,3 +401,16 @@ func (am *DefaultAccountManager) GetSetupKey(ctx context.Context, accountID, use
 
 	return foundKey, nil
 }
+
+func validateSetupKeyAutoGroups(account *Account, autoGroups []string) error {
+	for _, group := range autoGroups {
+		g, ok := account.Groups[group]
+		if !ok {
+			return status.Errorf(status.NotFound, "group %s doesn't exist", group)
+		}
+		if g.Name == "All" {
+			return status.Errorf(status.InvalidArgument, "can't add All group to the setup key")
+		}
+	}
+	return nil
+}

management/server/setupkey_test.go

@@ -26,10 +26,17 @@ func TestDefaultAccountManager_SaveSetupKey(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	err = manager.SaveGroup(context.Background(), account.Id, userID, &nbgroup.Group{
-		ID:    "group_1",
-		Name:  "group_name_1",
-		Peers: []string{},
+	err = manager.SaveGroups(context.Background(), account.Id, userID, []*nbgroup.Group{
+		{
+			ID:    "group_1",
+			Name:  "group_name_1",
+			Peers: []string{},
+		},
+		{
+			ID:    "group_2",
+			Name:  "group_name_2",
+			Peers: []string{},
+		},
 	})
 	if err != nil {
 		t.Fatal(err)
@@ -70,6 +77,19 @@ func TestDefaultAccountManager_SaveSetupKey(t *testing.T) {
 	assert.NotEmpty(t, ev.Meta["key"])
 	assert.Equal(t, userID, ev.InitiatorID)
 	assert.Equal(t, key.Id, ev.TargetID)
+
+	groupAll, err := account.GetGroupAll()
+	assert.NoError(t, err)
+
+	// saving setup key with All group assigned to auto groups should return error
+	autoGroups = append(autoGroups, groupAll.ID)
+	_, err = manager.SaveSetupKey(context.Background(), account.Id, &SetupKey{
+		Id:         key.Id,
+		Name:       newKeyName,
+		Revoked:    revoked,
+		AutoGroups: autoGroups,
+	}, userID)
+	assert.Error(t, err, "should not save setup key with All group assigned in auto groups")
 }
 
 func TestDefaultAccountManager_CreateSetupKey(t *testing.T) {
@@ -102,6 +122,9 @@ func TestDefaultAccountManager_CreateSetupKey(t *testing.T) {
 		t.Fatal(err)
 	}
 
+	groupAll, err := account.GetGroupAll()
+	assert.NoError(t, err)
+
 	type testCase struct {
 		name string
 
@@ -134,8 +157,14 @@ func TestDefaultAccountManager_CreateSetupKey(t *testing.T) {
 		expectedGroups:  []string{"FAKE"},
 		expectedFailure: true,
 	}
+	testCase3 := testCase{
+		name:            "Create Setup Key should fail because of All group",
+		expectedKeyName: "my-test-key",
+		expectedGroups:  []string{groupAll.ID},
+		expectedFailure: true,
+	}
 
-	for _, tCase := range []testCase{testCase1, testCase2} {
+	for _, tCase := range []testCase{testCase1, testCase2, testCase3} {
 		t.Run(tCase.name, func(t *testing.T) {
 			key, err := manager.CreateSetupKey(context.Background(), account.Id, tCase.expectedKeyName, SetupKeyReusable, expiresIn,
 				tCase.expectedGroups, SetupKeyUnlimitedUsage, userID, false)

management/server/sql_store.go

@@ -468,6 +468,34 @@ func (s *SqlStore) GetUserByTokenID(ctx context.Context, tokenID string) (*User,
 	return &user, nil
 }
 
+func (s *SqlStore) GetUserByUserID(ctx context.Context, userID string) (*User, error) {
+	var user User
+	result := s.db.First(&user, idQueryCondition, userID)
+	if result.Error != nil {
+		if errors.Is(result.Error, gorm.ErrRecordNotFound) {
+			return nil, status.Errorf(status.NotFound, "user not found: index lookup failed")
+		}
+		log.WithContext(ctx).Errorf("error when getting user from the store: %s", result.Error)
+		return nil, status.Errorf(status.Internal, "issue getting user from store")
+	}
+
+	return &user, nil
+}
+
+func (s *SqlStore) GetAccountGroups(ctx context.Context, accountID string) ([]*nbgroup.Group, error) {
+	var groups []*nbgroup.Group
+	result := s.db.Find(&groups, idQueryCondition, accountID)
+	if result.Error != nil {
+		if errors.Is(result.Error, gorm.ErrRecordNotFound) {
+			return nil, status.Errorf(status.NotFound, "accountID not found: index lookup failed")
+		}
+		log.WithContext(ctx).Errorf("error when getting groups from the store: %s", result.Error)
+		return nil, status.Errorf(status.Internal, "issue getting groups from store")
+	}
+
+	return groups, nil
+}
+
 func (s *SqlStore) GetAllAccounts(ctx context.Context) (all []*Account) {
 	var accounts []Account
 	result := s.db.Find(&accounts)

management/server/store.go

@@ -41,6 +41,8 @@ type Store interface {
 	GetAccountByPrivateDomain(ctx context.Context, domain string) (*Account, error)
 	GetTokenIDByHashedToken(ctx context.Context, secret string) (string, error)
 	GetUserByTokenID(ctx context.Context, tokenID string) (*User, error)
+	GetUserByUserID(ctx context.Context, userID string) (*User, error)
+	GetAccountGroups(ctx context.Context, accountID string) ([]*nbgroup.Group, error)
 	GetPostureCheckByChecksDefinition(accountID string, checks *posture.ChecksDefinition) (*posture.Checks, error)
 	SaveAccount(ctx context.Context, account *Account) error
 	SaveUsers(accountID string, users map[string]*User) error

management/server/token_mgr.go

@@ -0,0 +1,132 @@
+package server
+
+import (
+	"context"
+	"fmt"
+	"sync"
+	"time"
+
+	log "github.com/sirupsen/logrus"
+
+	"github.com/netbirdio/netbird/management/proto"
+	auth "github.com/netbirdio/netbird/relay/auth/hmac"
+)
+
+// TURNRelayTokenManager used to manage TURN credentials
+type TURNRelayTokenManager interface {
+	Generate() (*TURNRelayToken, error)
+	SetupRefresh(ctx context.Context, peerKey string)
+	CancelRefresh(peerKey string)
+}
+
+// TimeBasedAuthSecretsManager generates credentials with TTL and using pre-shared secret known to TURN server
+type TimeBasedAuthSecretsManager struct {
+	mux           sync.Mutex
+	turnCfg       *TURNConfig
+	relayAddr     string
+	hmacToken     *auth.TimedHMAC
+	updateManager *PeersUpdateManager
+	cancelMap     map[string]chan struct{}
+}
+
+type TURNRelayToken auth.Token
+
+func NewTimeBasedAuthSecretsManager(updateManager *PeersUpdateManager, turnCfg *TURNConfig, relayConfig *RelayConfig) *TimeBasedAuthSecretsManager {
+
+	var relayAddr string
+	if relayConfig != nil {
+		relayAddr = relayConfig.Address
+	}
+	return &TimeBasedAuthSecretsManager{
+		mux:           sync.Mutex{},
+		updateManager: updateManager,
+		turnCfg:       turnCfg,
+		relayAddr:     relayAddr,
+		hmacToken:     auth.NewTimedHMAC(turnCfg.Secret, turnCfg.CredentialsTTL.Duration),
+		cancelMap:     make(map[string]chan struct{}),
+	}
+}
+
+// Generate generates new time-based secret credentials - basically username is a unix timestamp and password is a HMAC hash of a timestamp with a preshared TURN secret
+func (m *TimeBasedAuthSecretsManager) Generate() (*TURNRelayToken, error) {
+	token, err := m.hmacToken.GenerateToken()
+	if err != nil {
+		return nil, fmt.Errorf("failed to generate token: %s", err)
+	}
+
+	return (*TURNRelayToken)(token), nil
+}
+
+func (m *TimeBasedAuthSecretsManager) cancel(peerID string) {
+	if channel, ok := m.cancelMap[peerID]; ok {
+		close(channel)
+		delete(m.cancelMap, peerID)
+	}
+}
+
+// CancelRefresh cancels scheduled peer credentials refresh
+func (m *TimeBasedAuthSecretsManager) CancelRefresh(peerID string) {
+	m.mux.Lock()
+	defer m.mux.Unlock()
+	m.cancel(peerID)
+}
+
+// SetupRefresh starts peer credentials refresh. Since credentials are expiring (TTL) it is necessary to always generate them and send to the peer.
+// A goroutine is created and put into TimeBasedAuthSecretsManager.cancelMap. This routine should be cancelled if peer is gone.
+func (m *TimeBasedAuthSecretsManager) SetupRefresh(ctx context.Context, peerID string) {
+	m.mux.Lock()
+	defer m.mux.Unlock()
+	m.cancel(peerID)
+	cancel := make(chan struct{}, 1)
+	m.cancelMap[peerID] = cancel
+	log.WithContext(ctx).Debugf("starting turn refresh for %s", peerID)
+
+	go func() {
+		// we don't want to regenerate credentials right on expiration, so we do it slightly before (at 3/4 of TTL)
+		ticker := time.NewTicker(m.turnCfg.CredentialsTTL.Duration / 4 * 3)
+		defer ticker.Stop()
+
+		for {
+			select {
+			case <-cancel:
+				log.WithContext(ctx).Debugf("stopping turn refresh for %s", peerID)
+				return
+			case <-ticker.C:
+				m.pushNewTokens(ctx, peerID)
+			}
+		}
+	}()
+}
+
+func (m *TimeBasedAuthSecretsManager) pushNewTokens(ctx context.Context, peerID string) {
+	token, err := m.hmacToken.GenerateToken()
+	if err != nil {
+		log.Errorf("failed to generate token for peer '%s': %s", peerID, err)
+		return
+	}
+
+	var turns []*proto.ProtectedHostConfig
+	for _, host := range m.turnCfg.Turns {
+		turns = append(turns, &proto.ProtectedHostConfig{
+			HostConfig: &proto.HostConfig{
+				Uri:      host.URI,
+				Protocol: ToResponseProto(host.Proto),
+			},
+			User:     token.Payload,
+			Password: token.Signature,
+		})
+	}
+
+	update := &proto.SyncResponse{
+		WiretrusteeConfig: &proto.WiretrusteeConfig{
+			Turns: turns,
+			Relay: &proto.RelayConfig{
+				Urls:           []string{m.relayAddr},
+				TokenPayload:   token.Payload,
+				TokenSignature: token.Signature,
+			},
+		},
+	}
+	log.WithContext(ctx).Debugf("sending new TURN credentials to peer %s", peerID)
+	m.updateManager.SendUpdate(ctx, peerID, &UpdateMessage{Update: update})
+}

management/server/token_mgr_test.go

@@ -23,22 +23,25 @@ func TestTimeBasedAuthSecretsManager_GenerateCredentials(t *testing.T) {
 	secret := "some_secret"
 	peersManager := NewPeersUpdateManager(nil)
 
+	rc := &RelayConfig{
+		Address: "localhost:0",
+	}
 	tested := NewTimeBasedAuthSecretsManager(peersManager, &TURNConfig{
 		CredentialsTTL: ttl,
 		Secret:         secret,
 		Turns:          []*Host{TurnTestHost},
-	})
+	}, rc)
 
-	credentials := tested.GenerateCredentials()
+	credentials, _ := tested.Generate()
 
-	if credentials.Username == "" {
+	if credentials.Payload == "" {
 		t.Errorf("expected generated TURN username not to be empty, got empty")
 	}
-	if credentials.Password == "" {
+	if credentials.Signature == "" {
 		t.Errorf("expected generated TURN password not to be empty, got empty")
 	}
 
-	validateMAC(t, credentials.Username, credentials.Password, []byte(secret))
+	validateMAC(t, credentials.Payload, credentials.Signature, []byte(secret))
 
 }
 
@@ -49,11 +52,14 @@ func TestTimeBasedAuthSecretsManager_SetupRefresh(t *testing.T) {
 	peer := "some_peer"
 	updateChannel := peersManager.CreateChannel(context.Background(), peer)
 
+	rc := &RelayConfig{
+		Address: "localhost:0",
+	}
 	tested := NewTimeBasedAuthSecretsManager(peersManager, &TURNConfig{
 		CredentialsTTL: ttl,
 		Secret:         secret,
 		Turns:          []*Host{TurnTestHost},
-	})
+	}, rc)
 
 	tested.SetupRefresh(context.Background(), peer)
 
@@ -97,11 +103,14 @@ func TestTimeBasedAuthSecretsManager_CancelRefresh(t *testing.T) {
 	peersManager := NewPeersUpdateManager(nil)
 	peer := "some_peer"
 
+	rc := &RelayConfig{
+		Address: "localhost:0",
+	}
 	tested := NewTimeBasedAuthSecretsManager(peersManager, &TURNConfig{
 		CredentialsTTL: ttl,
 		Secret:         secret,
 		Turns:          []*Host{TurnTestHost},
-	})
+	}, rc)
 
 	tested.SetupRefresh(context.Background(), peer)
 	if _, ok := tested.cancelMap[peer]; !ok {

management/server/turncredentials.go

@@ -1,126 +0,0 @@
-package server
-
-import (
-	"context"
-	"crypto/hmac"
-	"crypto/sha1"
-	"encoding/base64"
-	"fmt"
-	"sync"
-	"time"
-
-	log "github.com/sirupsen/logrus"
-
-	"github.com/netbirdio/netbird/management/proto"
-)
-
-// TURNCredentialsManager used to manage TURN credentials
-type TURNCredentialsManager interface {
-	GenerateCredentials() TURNCredentials
-	SetupRefresh(ctx context.Context, peerKey string)
-	CancelRefresh(peerKey string)
-}
-
-// TimeBasedAuthSecretsManager generates credentials with TTL and using pre-shared secret known to TURN server
-type TimeBasedAuthSecretsManager struct {
-	mux           sync.Mutex
-	config        *TURNConfig
-	updateManager *PeersUpdateManager
-	cancelMap     map[string]chan struct{}
-}
-
-type TURNCredentials struct {
-	Username string
-	Password string
-}
-
-func NewTimeBasedAuthSecretsManager(updateManager *PeersUpdateManager, config *TURNConfig) *TimeBasedAuthSecretsManager {
-	return &TimeBasedAuthSecretsManager{
-		mux:           sync.Mutex{},
-		config:        config,
-		updateManager: updateManager,
-		cancelMap:     make(map[string]chan struct{}),
-	}
-}
-
-// GenerateCredentials generates new time-based secret credentials - basically username is a unix timestamp and password is a HMAC hash of a timestamp with a preshared TURN secret
-func (m *TimeBasedAuthSecretsManager) GenerateCredentials() TURNCredentials {
-	mac := hmac.New(sha1.New, []byte(m.config.Secret))
-
-	timeAuth := time.Now().Add(m.config.CredentialsTTL.Duration).Unix()
-
-	username := fmt.Sprint(timeAuth)
-
-	_, err := mac.Write([]byte(username))
-	if err != nil {
-		log.Errorln("Generating turn password failed with error: ", err)
-	}
-
-	bytePassword := mac.Sum(nil)
-	password := base64.StdEncoding.EncodeToString(bytePassword)
-
-	return TURNCredentials{
-		Username: username,
-		Password: password,
-	}
-
-}
-
-func (m *TimeBasedAuthSecretsManager) cancel(peerID string) {
-	if channel, ok := m.cancelMap[peerID]; ok {
-		close(channel)
-		delete(m.cancelMap, peerID)
-	}
-}
-
-// CancelRefresh cancels scheduled peer credentials refresh
-func (m *TimeBasedAuthSecretsManager) CancelRefresh(peerID string) {
-	m.mux.Lock()
-	defer m.mux.Unlock()
-	m.cancel(peerID)
-}
-
-// SetupRefresh starts peer credentials refresh. Since credentials are expiring (TTL) it is necessary to always generate them and send to the peer.
-// A goroutine is created and put into TimeBasedAuthSecretsManager.cancelMap. This routine should be cancelled if peer is gone.
-func (m *TimeBasedAuthSecretsManager) SetupRefresh(ctx context.Context, peerID string) {
-	m.mux.Lock()
-	defer m.mux.Unlock()
-	m.cancel(peerID)
-	cancel := make(chan struct{}, 1)
-	m.cancelMap[peerID] = cancel
-	log.WithContext(ctx).Debugf("starting turn refresh for %s", peerID)
-
-	go func() {
-		// we don't want to regenerate credentials right on expiration, so we do it slightly before (at 3/4 of TTL)
-		ticker := time.NewTicker(m.config.CredentialsTTL.Duration / 4 * 3)
-
-		for {
-			select {
-			case <-cancel:
-				log.WithContext(ctx).Debugf("stopping turn refresh for %s", peerID)
-				return
-			case <-ticker.C:
-				c := m.GenerateCredentials()
-				var turns []*proto.ProtectedHostConfig
-				for _, host := range m.config.Turns {
-					turns = append(turns, &proto.ProtectedHostConfig{
-						HostConfig: &proto.HostConfig{
-							Uri:      host.URI,
-							Protocol: ToResponseProto(host.Proto),
-						},
-						User:     c.Username,
-						Password: c.Password,
-					})
-				}
-
-				update := &proto.SyncResponse{
-					WiretrusteeConfig: &proto.WiretrusteeConfig{
-						Turns: turns,
-					},
-				}
-				log.WithContext(ctx).Debugf("sending new TURN credentials to peer %s", peerID)
-				m.updateManager.SendUpdate(ctx, peerID, &UpdateMessage{Update: update})
-			}
-		}
-	}()
-}

management/server/user.go

@@ -2,6 +2,7 @@ package server
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"strings"
 	"time"
@@ -472,51 +473,18 @@ func (am *DefaultAccountManager) DeleteUser(ctx context.Context, accountID, init
 }
 
 func (am *DefaultAccountManager) deleteRegularUser(ctx context.Context, account *Account, initiatorUserID, targetUserID string) error {
-	tuEmail, tuName, err := am.getEmailAndNameOfTargetUser(ctx, account.Id, initiatorUserID, targetUserID)
-	if err != nil {
-		log.WithContext(ctx).Errorf("failed to resolve email address: %s", err)
-		return err
-	}
-
-	if !isNil(am.idpManager) {
-		// Delete if the user already exists in the IdP.Necessary in cases where a user account
-		// was created where a user account was provisioned but the user did not sign in
-		_, err = am.idpManager.GetUserDataByID(ctx, targetUserID, idp.AppMetadata{WTAccountID: account.Id})
-		if err == nil {
-			err = am.deleteUserFromIDP(ctx, targetUserID, account.Id)
-			if err != nil {
-				log.WithContext(ctx).Debugf("failed to delete user from IDP: %s", targetUserID)
-				return err
-			}
-		} else {
-			log.WithContext(ctx).Debugf("skipped deleting user %s from IDP, error: %v", targetUserID, err)
-		}
-	}
-
-	err = am.deleteUserPeers(ctx, initiatorUserID, targetUserID, account)
+	meta, err := am.prepareUserDeletion(ctx, account, initiatorUserID, targetUserID)
 	if err != nil {
 		return err
 	}
 
-	u, err := account.FindUser(targetUserID)
-	if err != nil {
-		log.WithContext(ctx).Errorf("failed to find user %s for deletion, this should never happen: %s", targetUserID, err)
-	}
-
-	var tuCreatedAt time.Time
-	if u != nil {
-		tuCreatedAt = u.CreatedAt
-	}
-
 	delete(account.Users, targetUserID)
 	err = am.Store.SaveAccount(ctx, account)
 	if err != nil {
 		return err
 	}
 
-	meta := map[string]any{"name": tuName, "email": tuEmail, "created_at": tuCreatedAt}
 	am.StoreEvent(ctx, initiatorUserID, targetUserID, account.Id, activity.UserDeleted, meta)
-
 	am.updateAccountPeers(ctx, account)
 
 	return nil
@@ -976,10 +944,14 @@ func validateUserUpdate(account *Account, initiatorUser, oldUser, update *User)
 	}
 
 	for _, newGroupID := range update.AutoGroups {
-		if _, ok := account.Groups[newGroupID]; !ok {
+		group, ok := account.Groups[newGroupID]
+		if !ok {
 			return status.Errorf(status.InvalidArgument, "provided group ID %s in the user %s update doesn't exist",
 				newGroupID, update.Id)
 		}
+		if group.Name == "All" {
+			return status.Errorf(status.InvalidArgument, "can't add All group to the user")
+		}
 	}
 
 	return nil
@@ -1190,6 +1162,116 @@ func (am *DefaultAccountManager) getEmailAndNameOfTargetUser(ctx context.Context
 	return "", "", fmt.Errorf("user info not found for user: %s", targetId)
 }
 
+// DeleteRegularUsers deletes regular users from an account.
+// Note: This function does not acquire the global lock.
+// It is the caller's responsibility to ensure proper locking is in place before invoking this method.
+//
+// If an error occurs while deleting the user, the function skips it and continues deleting other users.
+// Errors are collected and returned at the end.
+func (am *DefaultAccountManager) DeleteRegularUsers(ctx context.Context, accountID, initiatorUserID string, targetUserIDs []string) error {
+	account, err := am.Store.GetAccount(ctx, accountID)
+	if err != nil {
+		return err
+	}
+
+	executingUser := account.Users[initiatorUserID]
+	if executingUser == nil {
+		return status.Errorf(status.NotFound, "user not found")
+	}
+	if !executingUser.HasAdminPower() {
+		return status.Errorf(status.PermissionDenied, "only users with admin power can delete users")
+	}
+
+	var allErrors error
+
+	deletedUsersMeta := make(map[string]map[string]any)
+	for _, targetUserID := range targetUserIDs {
+		if initiatorUserID == targetUserID {
+			allErrors = errors.Join(allErrors, errors.New("self deletion is not allowed"))
+			continue
+		}
+
+		targetUser := account.Users[targetUserID]
+		if targetUser == nil {
+			allErrors = errors.Join(allErrors, fmt.Errorf("target user: %s not found", targetUserID))
+			continue
+		}
+
+		if targetUser.Role == UserRoleOwner {
+			allErrors = errors.Join(allErrors, fmt.Errorf("unable to delete a user: %s with owner role", targetUserID))
+			continue
+		}
+
+		// disable deleting integration user if the initiator is not admin service user
+		if targetUser.Issued == UserIssuedIntegration && !executingUser.IsServiceUser {
+			allErrors = errors.Join(allErrors, errors.New("only integration service user can delete this user"))
+			continue
+		}
+
+		meta, err := am.prepareUserDeletion(ctx, account, initiatorUserID, targetUserID)
+		if err != nil {
+			allErrors = errors.Join(allErrors, fmt.Errorf("failed to delete user %s: %s", targetUserID, err))
+			continue
+		}
+
+		delete(account.Users, targetUserID)
+		deletedUsersMeta[targetUserID] = meta
+	}
+
+	err = am.Store.SaveAccount(ctx, account)
+	if err != nil {
+		return fmt.Errorf("failed to delete users: %w", err)
+	}
+
+	am.updateAccountPeers(ctx, account)
+
+	for targetUserID, meta := range deletedUsersMeta {
+		am.StoreEvent(ctx, initiatorUserID, targetUserID, account.Id, activity.UserDeleted, meta)
+	}
+
+	return allErrors
+}
+
+func (am *DefaultAccountManager) prepareUserDeletion(ctx context.Context, account *Account, initiatorUserID, targetUserID string) (map[string]any, error) {
+	tuEmail, tuName, err := am.getEmailAndNameOfTargetUser(ctx, account.Id, initiatorUserID, targetUserID)
+	if err != nil {
+		log.WithContext(ctx).Errorf("failed to resolve email address: %s", err)
+		return nil, err
+	}
+
+	if !isNil(am.idpManager) {
+		// Delete if the user already exists in the IdP. Necessary in cases where a user account
+		// was created where a user account was provisioned but the user did not sign in
+		_, err = am.idpManager.GetUserDataByID(ctx, targetUserID, idp.AppMetadata{WTAccountID: account.Id})
+		if err == nil {
+			err = am.deleteUserFromIDP(ctx, targetUserID, account.Id)
+			if err != nil {
+				log.WithContext(ctx).Debugf("failed to delete user from IDP: %s", targetUserID)
+				return nil, err
+			}
+		} else {
+			log.WithContext(ctx).Debugf("skipped deleting user %s from IDP, error: %v", targetUserID, err)
+		}
+	}
+
+	err = am.deleteUserPeers(ctx, initiatorUserID, targetUserID, account)
+	if err != nil {
+		return nil, err
+	}
+
+	u, err := account.FindUser(targetUserID)
+	if err != nil {
+		log.WithContext(ctx).Errorf("failed to find user %s for deletion, this should never happen: %s", targetUserID, err)
+	}
+
+	var tuCreatedAt time.Time
+	if u != nil {
+		tuCreatedAt = u.CreatedAt
+	}
+
+	return map[string]any{"name": tuName, "email": tuEmail, "created_at": tuCreatedAt}, nil
+}
+
 func findUserInIDPUserdata(userID string, userData []*idp.UserData) (*idp.UserData, bool) {
 	for _, user := range userData {
 		if user.ID == userID {

management/server/user_test.go

@@ -662,6 +662,157 @@ func TestUser_DeleteUser_regularUser(t *testing.T) {
 
 }
 
+func TestUser_DeleteUser_RegularUsers(t *testing.T) {
+	store := newStore(t)
+	defer store.Close(context.Background())
+	account := newAccountWithId(context.Background(), mockAccountID, mockUserID, "")
+
+	targetId := "user2"
+	account.Users[targetId] = &User{
+		Id:              targetId,
+		IsServiceUser:   true,
+		ServiceUserName: "user2username",
+	}
+	targetId = "user3"
+	account.Users[targetId] = &User{
+		Id:            targetId,
+		IsServiceUser: false,
+		Issued:        UserIssuedAPI,
+	}
+	targetId = "user4"
+	account.Users[targetId] = &User{
+		Id:            targetId,
+		IsServiceUser: false,
+		Issued:        UserIssuedIntegration,
+	}
+
+	targetId = "user5"
+	account.Users[targetId] = &User{
+		Id:            targetId,
+		IsServiceUser: false,
+		Issued:        UserIssuedAPI,
+		Role:          UserRoleOwner,
+	}
+	account.Users["user6"] = &User{
+		Id:            "user6",
+		IsServiceUser: false,
+		Issued:        UserIssuedAPI,
+	}
+	account.Users["user7"] = &User{
+		Id:            "user7",
+		IsServiceUser: false,
+		Issued:        UserIssuedAPI,
+	}
+	account.Users["user8"] = &User{
+		Id:            "user8",
+		IsServiceUser: false,
+		Issued:        UserIssuedAPI,
+		Role:          UserRoleAdmin,
+	}
+	account.Users["user9"] = &User{
+		Id:            "user9",
+		IsServiceUser: false,
+		Issued:        UserIssuedAPI,
+		Role:          UserRoleAdmin,
+	}
+
+	err := store.SaveAccount(context.Background(), account)
+	if err != nil {
+		t.Fatalf("Error when saving account: %s", err)
+	}
+
+	am := DefaultAccountManager{
+		Store:                   store,
+		eventStore:              &activity.InMemoryEventStore{},
+		integratedPeerValidator: MocIntegratedValidator{},
+	}
+
+	testCases := []struct {
+		name               string
+		userIDs            []string
+		expectedReasons    []string
+		expectedDeleted    []string
+		expectedNotDeleted []string
+	}{
+		{
+			name:            "Delete service user successfully ",
+			userIDs:         []string{"user2"},
+			expectedDeleted: []string{"user2"},
+		},
+		{
+			name:            "Delete regular user successfully",
+			userIDs:         []string{"user3"},
+			expectedDeleted: []string{"user3"},
+		},
+		{
+			name:               "Delete integration regular user permission denied",
+			userIDs:            []string{"user4"},
+			expectedReasons:    []string{"only integration service user can delete this user"},
+			expectedNotDeleted: []string{"user4"},
+		},
+		{
+			name:               "Delete user with owner role should return permission denied",
+			userIDs:            []string{"user5"},
+			expectedReasons:    []string{"unable to delete a user: user5 with owner role"},
+			expectedNotDeleted: []string{"user5"},
+		},
+		{
+			name:               "Delete multiple users with mixed results",
+			userIDs:            []string{"user5", "user5", "user6", "user7"},
+			expectedReasons:    []string{"only integration service user can delete this user", "unable to delete a user: user5 with owner role"},
+			expectedDeleted:    []string{"user6", "user7"},
+			expectedNotDeleted: []string{"user4", "user5"},
+		},
+		{
+			name:               "Delete non-existent user",
+			userIDs:            []string{"non-existent-user"},
+			expectedReasons:    []string{"target user: non-existent-user not found"},
+			expectedNotDeleted: []string{},
+		},
+		{
+			name:            "Delete multiple regular users successfully",
+			userIDs:         []string{"user8", "user9"},
+			expectedDeleted: []string{"user8", "user9"},
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			err = am.DeleteRegularUsers(context.Background(), mockAccountID, mockUserID, tc.userIDs)
+			if len(tc.expectedReasons) > 0 {
+				assert.Error(t, err)
+				var foundExpectedErrors int
+
+				wrappedErr, ok := err.(interface{ Unwrap() []error })
+				assert.Equal(t, ok, true)
+
+				for _, e := range wrappedErr.Unwrap() {
+					assert.Contains(t, tc.expectedReasons, e.Error(), "unexpected error message")
+					foundExpectedErrors++
+				}
+
+				assert.Equal(t, len(tc.expectedReasons), foundExpectedErrors, "not all expected errors were found")
+			} else {
+				assert.NoError(t, err)
+			}
+
+			acc, err := am.GetAccountByUserOrAccountID(context.Background(), "", account.Id, "")
+			assert.NoError(t, err)
+
+			for _, id := range tc.expectedDeleted {
+				_, exists := acc.Users[id]
+				assert.False(t, exists, "user should have been deleted: %s", id)
+			}
+
+			for _, id := range tc.expectedNotDeleted {
+				user, exists := acc.Users[id]
+				assert.True(t, exists, "user should not have been deleted: %s", id)
+				assert.NotNil(t, user, "user should exist: %s", id)
+			}
+		})
+	}
+}
+
 func TestDefaultAccountManager_GetUser(t *testing.T) {
 	store := newStore(t)
 	defer store.Close(context.Background())

relay/auth/allow_all.go

@@ -0,0 +1,10 @@
+package auth
+
+// AllowAllAuth is a Validator that allows all connections.
+// Used this for testing purposes only.
+type AllowAllAuth struct {
+}
+
+func (a *AllowAllAuth) Validate(any) error {
+	return nil
+}

relay/auth/doc.go

@@ -0,0 +1,26 @@
+/*
+Package auth manages the authentication process with the relay server.
+
+Key Components:
+
+Validator: The Validator interface defines the Validate method. Any type that provides this method can be used as a
+Validator.
+
+Methods:
+
+Validate(any): This method is defined in the Validator interface and is used to validate the authentication.
+
+Usage:
+
+To create a new AllowAllAuth validator, simply instantiate it:
+
+	validator := &auth.AllowAllAuth{}
+
+To validate the authentication, use the Validate method:
+
+	err := validator.Validate(any)
+
+This package provides a simple and effective way to manage authentication with the relay server, ensuring that the
+peers are authenticated properly.
+*/
+package auth

relay/auth/hmac/doc.go

@@ -0,0 +1,8 @@
+/*
+This package uses a similar HMAC method for authentication with the TURN server. The Management server provides the
+tokens for the peers. The peers manage these tokens in the token store. The token store is a simple thread safe store
+that keeps the tokens in memory. These tokens are used to authenticate the peers with the Relay server in the hello
+message.
+*/
+
+package hmac

relay/auth/hmac/store.go

@@ -0,0 +1,34 @@
+package hmac
+
+import (
+	"sync"
+
+	log "github.com/sirupsen/logrus"
+)
+
+// TokenStore is a simple in-memory store for token
+// With this can update the token in thread safe way
+type TokenStore struct {
+	mu    sync.Mutex
+	token []byte
+}
+
+func (a *TokenStore) UpdateToken(token *Token) {
+	a.mu.Lock()
+	defer a.mu.Unlock()
+	if token == nil {
+		return
+	}
+
+	t, err := marshalToken(*token)
+	if err != nil {
+		log.Errorf("failed to marshal token: %s", err)
+	}
+	a.token = t
+}
+
+func (a *TokenStore) TokenBinary() []byte {
+	a.mu.Lock()
+	defer a.mu.Unlock()
+	return a.token
+}

relay/auth/hmac/token.go

@@ -0,0 +1,105 @@
+package hmac
+
+import (
+	"bytes"
+	"crypto/hmac"
+	"crypto/sha1"
+	"encoding/base64"
+	"encoding/gob"
+	"fmt"
+	"strconv"
+	"time"
+
+	log "github.com/sirupsen/logrus"
+)
+
+type Token struct {
+	Payload   string
+	Signature string
+}
+
+func marshalToken(token Token) ([]byte, error) {
+	buffer := bytes.NewBuffer([]byte{})
+	encoder := gob.NewEncoder(buffer)
+	err := encoder.Encode(token)
+	if err != nil {
+		log.Errorf("failed to marshal token: %s", err)
+		return nil, err
+	}
+	return buffer.Bytes(), nil
+}
+
+func unmarshalToken(payload []byte) (Token, error) {
+	var creds Token
+	buffer := bytes.NewBuffer(payload)
+	decoder := gob.NewDecoder(buffer)
+	err := decoder.Decode(&creds)
+	return creds, err
+}
+
+// TimedHMAC generates token with TTL and using pre-shared secret known to TURN server
+type TimedHMAC struct {
+	secret     string
+	timeToLive time.Duration
+}
+
+// NewTimedHMAC creates a new TimedHMAC instance
+func NewTimedHMAC(secret string, timeToLive time.Duration) *TimedHMAC {
+	return &TimedHMAC{
+		secret:     secret,
+		timeToLive: timeToLive,
+	}
+}
+
+// GenerateToken generates new time-based secret token - basically Payload is a unix timestamp and Signature is a HMAC
+// hash of a timestamp with a preshared TURN secret
+func (m *TimedHMAC) GenerateToken() (*Token, error) {
+	timeAuth := time.Now().Add(m.timeToLive).Unix()
+	timeStamp := fmt.Sprint(timeAuth)
+
+	checksum, err := m.generate(timeStamp)
+	if err != nil {
+		return nil, err
+	}
+
+	return &Token{
+		Payload:   timeStamp,
+		Signature: base64.StdEncoding.EncodeToString(checksum),
+	}, nil
+}
+
+// Validate checks if the token is valid
+func (m *TimedHMAC) Validate(token Token) error {
+	expectedMAC, err := m.generate(token.Payload)
+	if err != nil {
+		return err
+	}
+
+	expectedSignature := base64.StdEncoding.EncodeToString(expectedMAC)
+
+	if !hmac.Equal([]byte(expectedSignature), []byte(token.Signature)) {
+		return fmt.Errorf("signature mismatch")
+	}
+
+	timeAuthInt, err := strconv.ParseInt(token.Payload, 10, 64)
+	if err != nil {
+		return fmt.Errorf("invalid payload: %s", err)
+	}
+
+	if time.Now().Unix() > timeAuthInt {
+		return fmt.Errorf("expired token")
+	}
+
+	return nil
+}
+
+func (m *TimedHMAC) generate(payload string) ([]byte, error) {
+	mac := hmac.New(sha1.New, []byte(m.secret))
+	_, err := mac.Write([]byte(payload))
+	if err != nil {
+		log.Errorf("failed to generate token: %s", err)
+		return nil, err
+	}
+
+	return mac.Sum(nil), nil
+}

relay/auth/hmac/token_test.go

@@ -0,0 +1,103 @@
+package hmac
+
+import (
+	"encoding/base64"
+	"strconv"
+	"testing"
+	"time"
+)
+
+func TestGenerateCredentials(t *testing.T) {
+	secret := "secret"
+	timeToLive := 1 * time.Hour
+	v := NewTimedHMAC(secret, timeToLive)
+
+	creds, err := v.GenerateToken()
+	if err != nil {
+		t.Fatalf("expected no error, got %v", err)
+	}
+
+	if creds.Payload == "" {
+		t.Fatalf("expected non-empty payload")
+	}
+
+	_, err = strconv.ParseInt(creds.Payload, 10, 64)
+	if err != nil {
+		t.Fatalf("expected payload to be a valid unix timestamp, got %v", err)
+	}
+
+	_, err = base64.StdEncoding.DecodeString(creds.Signature)
+	if err != nil {
+		t.Fatalf("expected signature to be base64 encoded, got %v", err)
+	}
+}
+
+func TestValidateCredentials(t *testing.T) {
+	secret := "supersecret"
+	timeToLive := 1 * time.Hour
+	manager := NewTimedHMAC(secret, timeToLive)
+
+	// Test valid token
+	creds, err := manager.GenerateToken()
+	if err != nil {
+		t.Fatalf("expected no error, got %v", err)
+	}
+
+	if err := manager.Validate(*creds); err != nil {
+		t.Fatalf("expected valid token: %s", err)
+	}
+}
+
+func TestInvalidSignature(t *testing.T) {
+	secret := "supersecret"
+	timeToLive := 1 * time.Hour
+	manager := NewTimedHMAC(secret, timeToLive)
+
+	creds, err := manager.GenerateToken()
+	if err != nil {
+		t.Fatalf("expected no error, got %v", err)
+	}
+
+	invalidCreds := &Token{
+		Payload:   creds.Payload,
+		Signature: "invalidsignature",
+	}
+
+	if err = manager.Validate(*invalidCreds); err == nil {
+		t.Fatalf("expected invalid token due to signature mismatch")
+	}
+}
+
+func TestExpired(t *testing.T) {
+	secret := "supersecret"
+	v := NewTimedHMAC(secret, -1*time.Hour)
+	expiredCreds, err := v.GenerateToken()
+	if err != nil {
+		t.Fatalf("expected no error, got %v", err)
+	}
+
+	if err = v.Validate(*expiredCreds); err == nil {
+		t.Fatalf("expected invalid token due to expiration")
+	}
+}
+
+func TestInvalidPayload(t *testing.T) {
+	secret := "supersecret"
+	timeToLive := 1 * time.Hour
+	v := NewTimedHMAC(secret, timeToLive)
+
+	creds, err := v.GenerateToken()
+	if err != nil {
+		t.Fatalf("expected no error, got %v", err)
+	}
+
+	// Test invalid payload
+	invalidPayloadCreds := &Token{
+		Payload:   "invalidtimestamp",
+		Signature: creds.Signature,
+	}
+
+	if err = v.Validate(*invalidPayloadCreds); err == nil {
+		t.Fatalf("expected invalid token due to invalid payload")
+	}
+}

relay/auth/hmac/validator.go

@@ -0,0 +1,27 @@
+package hmac
+
+import (
+	log "github.com/sirupsen/logrus"
+	"time"
+)
+
+type TimedHMACValidator struct {
+	*TimedHMAC
+}
+
+func NewTimedHMACValidator(secret string, duration time.Duration) *TimedHMACValidator {
+	ta := NewTimedHMAC(secret, duration)
+	return &TimedHMACValidator{
+		ta,
+	}
+}
+
+func (a *TimedHMACValidator) Validate(credentials any) error {
+	b := credentials.([]byte)
+	c, err := unmarshalToken(b)
+	if err != nil {
+		log.Errorf("failed to unmarshal token: %s", err)
+		return err
+	}
+	return a.TimedHMAC.Validate(c)
+}

relay/auth/validator.go

@@ -0,0 +1,6 @@
+package auth
+
+// Validator is an interface that defines the Validate method.
+type Validator interface {
+	Validate(any) error
+}

relay/client/addr.go

@@ -0,0 +1,13 @@
+package client
+
+type RelayAddr struct {
+	addr string
+}
+
+func (a RelayAddr) Network() string {
+	return "relay"
+}
+
+func (a RelayAddr) String() string {
+	return a.addr
+}

relay/client/client.go

@@ -0,0 +1,523 @@
+package client
+
+import (
+	"context"
+	"fmt"
+	"io"
+	"net"
+	"sync"
+	"time"
+
+	log "github.com/sirupsen/logrus"
+
+	auth "github.com/netbirdio/netbird/relay/auth/hmac"
+	"github.com/netbirdio/netbird/relay/client/dialer/ws"
+	"github.com/netbirdio/netbird/relay/healthcheck"
+	"github.com/netbirdio/netbird/relay/messages"
+)
+
+const (
+	bufferSize            = 8820
+	serverResponseTimeout = 8 * time.Second
+)
+
+var (
+	ErrConnAlreadyExists = fmt.Errorf("connection already exists")
+)
+
+type internalStopFlag struct {
+	sync.Mutex
+	stop bool
+}
+
+func newInternalStopFlag() *internalStopFlag {
+	return &internalStopFlag{}
+}
+
+func (isf *internalStopFlag) set() {
+	isf.Lock()
+	defer isf.Unlock()
+	isf.stop = true
+}
+
+func (isf *internalStopFlag) isSet() bool {
+	isf.Lock()
+	defer isf.Unlock()
+	return isf.stop
+}
+
+// Msg carry the payload from the server to the client. With this struct, the net.Conn can free the buffer.
+type Msg struct {
+	Payload []byte
+
+	bufPool *sync.Pool
+	bufPtr  *[]byte
+}
+
+func (m *Msg) Free() {
+	m.bufPool.Put(m.bufPtr)
+}
+
+type connContainer struct {
+	conn        *Conn
+	messages    chan Msg
+	msgChanLock sync.Mutex
+	closed      bool // flag to check if channel is closed
+}
+
+func newConnContainer(conn *Conn, messages chan Msg) *connContainer {
+	return &connContainer{
+		conn:     conn,
+		messages: messages,
+	}
+}
+
+func (cc *connContainer) writeMsg(msg Msg) {
+	cc.msgChanLock.Lock()
+	defer cc.msgChanLock.Unlock()
+	if cc.closed {
+		return
+	}
+	cc.messages <- msg
+}
+
+func (cc *connContainer) close() {
+	cc.msgChanLock.Lock()
+	defer cc.msgChanLock.Unlock()
+	if cc.closed {
+		return
+	}
+	close(cc.messages)
+	cc.closed = true
+}
+
+// Client is a client for the relay server. It is responsible for establishing a connection to the relay server and
+// managing connections to other peers. All exported functions are safe to call concurrently. After close the connection,
+// the client can be reused by calling Connect again. When the client is closed, all connections are closed too.
+// While the Connect is in progress, the OpenConn function will block until the connection is established with relay server.
+type Client struct {
+	log            *log.Entry
+	parentCtx      context.Context
+	connectionURL  string
+	authTokenStore *auth.TokenStore
+	hashedID       []byte
+
+	bufPool *sync.Pool
+
+	relayConn        net.Conn
+	conns            map[string]*connContainer
+	serviceIsRunning bool
+	mu               sync.Mutex // protect serviceIsRunning and conns
+	readLoopMutex    sync.Mutex
+	wgReadLoop       sync.WaitGroup
+	instanceURL      *RelayAddr
+	muInstanceURL    sync.Mutex
+
+	onDisconnectListener func()
+	listenerMutex        sync.Mutex
+}
+
+// NewClient creates a new client for the relay server. The client is not connected to the server until the Connect
+func NewClient(ctx context.Context, serverURL string, authTokenStore *auth.TokenStore, peerID string) *Client {
+	hashedID, hashedStringId := messages.HashID(peerID)
+	return &Client{
+		log:            log.WithField("client_id", hashedStringId),
+		parentCtx:      ctx,
+		connectionURL:  serverURL,
+		authTokenStore: authTokenStore,
+		hashedID:       hashedID,
+		bufPool: &sync.Pool{
+			New: func() any {
+				buf := make([]byte, bufferSize)
+				return &buf
+			},
+		},
+		conns: make(map[string]*connContainer),
+	}
+}
+
+// Connect establishes a connection to the relay server. It blocks until the connection is established or an error occurs.
+func (c *Client) Connect() error {
+	c.log.Infof("connecting to relay server: %s", c.connectionURL)
+	c.readLoopMutex.Lock()
+	defer c.readLoopMutex.Unlock()
+
+	c.mu.Lock()
+	defer c.mu.Unlock()
+
+	if c.serviceIsRunning {
+		return nil
+	}
+
+	err := c.connect()
+	if err != nil {
+		return err
+	}
+
+	c.serviceIsRunning = true
+
+	c.wgReadLoop.Add(1)
+	go c.readLoop(c.relayConn)
+
+	log.Infof("relay connection established with: %s", c.connectionURL)
+	return nil
+}
+
+// OpenConn create a new net.Conn for the destination peer ID. In case if the connection is in progress
+// to the relay server, the function will block until the connection is established or timed out. Otherwise,
+// it will return immediately.
+// todo: what should happen if call with the same peerID with multiple times?
+func (c *Client) OpenConn(dstPeerID string) (net.Conn, error) {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+
+	if !c.serviceIsRunning {
+		return nil, fmt.Errorf("relay connection is not established")
+	}
+
+	hashedID, hashedStringID := messages.HashID(dstPeerID)
+	_, ok := c.conns[hashedStringID]
+	if ok {
+		return nil, ErrConnAlreadyExists
+	}
+
+	log.Infof("open connection to peer: %s", hashedStringID)
+	msgChannel := make(chan Msg, 2)
+	conn := NewConn(c, hashedID, hashedStringID, msgChannel, c.instanceURL)
+
+	c.conns[hashedStringID] = newConnContainer(conn, msgChannel)
+	return conn, nil
+}
+
+// ServerInstanceURL returns the address of the relay server. It could change after the close and reopen the connection.
+func (c *Client) ServerInstanceURL() (string, error) {
+	c.muInstanceURL.Lock()
+	defer c.muInstanceURL.Unlock()
+	if c.instanceURL == nil {
+		return "", fmt.Errorf("relay connection is not established")
+	}
+	return c.instanceURL.String(), nil
+}
+
+// SetOnDisconnectListener sets a function that will be called when the connection to the relay server is closed.
+func (c *Client) SetOnDisconnectListener(fn func()) {
+	c.listenerMutex.Lock()
+	defer c.listenerMutex.Unlock()
+	c.onDisconnectListener = fn
+}
+
+// HasConns returns true if there are connections.
+func (c *Client) HasConns() bool {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+	return len(c.conns) > 0
+}
+
+// Close closes the connection to the relay server and all connections to other peers.
+func (c *Client) Close() error {
+	return c.close(true)
+}
+
+func (c *Client) connect() error {
+	conn, err := ws.Dial(c.connectionURL)
+	if err != nil {
+		return err
+	}
+	c.relayConn = conn
+
+	err = c.handShake()
+	if err != nil {
+		cErr := conn.Close()
+		if cErr != nil {
+			log.Errorf("failed to close connection: %s", cErr)
+		}
+		c.relayConn = nil
+		return err
+	}
+
+	return nil
+}
+
+func (c *Client) handShake() error {
+	tb := c.authTokenStore.TokenBinary()
+
+	msg, err := messages.MarshalHelloMsg(c.hashedID, tb)
+	if err != nil {
+		log.Errorf("failed to marshal hello message: %s", err)
+		return err
+	}
+	_, err = c.relayConn.Write(msg)
+	if err != nil {
+		log.Errorf("failed to send hello message: %s", err)
+		return err
+	}
+	buf := make([]byte, messages.MaxHandshakeSize)
+	n, err := c.readWithTimeout(buf)
+	if err != nil {
+		log.Errorf("failed to read hello response: %s", err)
+		return err
+	}
+
+	msgType, err := messages.DetermineServerMsgType(buf[:n])
+	if err != nil {
+		log.Errorf("failed to determine message type: %s", err)
+		return err
+	}
+
+	if msgType != messages.MsgTypeHelloResponse {
+		log.Errorf("unexpected message type: %s", msgType)
+		return fmt.Errorf("unexpected message type")
+	}
+
+	ia, err := messages.UnmarshalHelloResponse(buf[:n])
+	if err != nil {
+		return err
+	}
+	c.muInstanceURL.Lock()
+	c.instanceURL = &RelayAddr{addr: ia}
+	c.muInstanceURL.Unlock()
+	return nil
+}
+
+func (c *Client) readLoop(relayConn net.Conn) {
+	internallyStoppedFlag := newInternalStopFlag()
+	hc := healthcheck.NewReceiver()
+	go c.listenForStopEvents(hc, relayConn, internallyStoppedFlag)
+
+	var (
+		errExit error
+		n       int
+	)
+	for {
+		bufPtr := c.bufPool.Get().(*[]byte)
+		buf := *bufPtr
+		n, errExit = relayConn.Read(buf)
+		if errExit != nil {
+			c.mu.Lock()
+			if c.serviceIsRunning && !internallyStoppedFlag.isSet() {
+				c.log.Debugf("failed to read message from relay server: %s", errExit)
+			}
+			c.mu.Unlock()
+			break
+		}
+
+		msgType, err := messages.DetermineServerMsgType(buf[:n])
+		if err != nil {
+			c.log.Errorf("failed to determine message type: %s", err)
+			continue
+		}
+
+		if !c.handleMsg(msgType, buf[:n], bufPtr, hc, internallyStoppedFlag) {
+			break
+		}
+	}
+
+	hc.Stop()
+
+	c.muInstanceURL.Lock()
+	c.instanceURL = nil
+	c.muInstanceURL.Unlock()
+
+	c.notifyDisconnected()
+	c.wgReadLoop.Done()
+	_ = c.close(false)
+}
+
+func (c *Client) handleMsg(msgType messages.MsgType, buf []byte, bufPtr *[]byte, hc *healthcheck.Receiver, internallyStoppedFlag *internalStopFlag) (continueLoop bool) {
+	switch msgType {
+	case messages.MsgTypeHealthCheck:
+		c.handleHealthCheck(hc, internallyStoppedFlag)
+		c.bufPool.Put(bufPtr)
+	case messages.MsgTypeTransport:
+		return c.handleTransportMsg(buf, bufPtr, internallyStoppedFlag)
+	case messages.MsgTypeClose:
+		log.Debugf("relay connection close by server")
+		c.bufPool.Put(bufPtr)
+		return false
+	}
+
+	return true
+}
+
+func (c *Client) handleHealthCheck(hc *healthcheck.Receiver, internallyStoppedFlag *internalStopFlag) {
+	msg := messages.MarshalHealthcheck()
+	_, wErr := c.relayConn.Write(msg)
+	if wErr != nil {
+		if c.serviceIsRunning && !internallyStoppedFlag.isSet() {
+			c.log.Errorf("failed to send heartbeat: %s", wErr)
+		}
+	}
+	hc.Heartbeat()
+}
+
+func (c *Client) handleTransportMsg(buf []byte, bufPtr *[]byte, internallyStoppedFlag *internalStopFlag) bool {
+	peerID, payload, err := messages.UnmarshalTransportMsg(buf)
+	if err != nil {
+		if c.serviceIsRunning && !internallyStoppedFlag.isSet() {
+			c.log.Errorf("failed to parse transport message: %v", err)
+		}
+
+		c.bufPool.Put(bufPtr)
+		return true
+	}
+	stringID := messages.HashIDToString(peerID)
+
+	c.mu.Lock()
+	if !c.serviceIsRunning {
+		c.mu.Unlock()
+		c.bufPool.Put(bufPtr)
+		return false
+	}
+	container, ok := c.conns[stringID]
+	c.mu.Unlock()
+	if !ok {
+		c.log.Errorf("peer not found: %s", stringID)
+		c.bufPool.Put(bufPtr)
+		return true
+	}
+	msg := Msg{
+		bufPool: c.bufPool,
+		bufPtr:  bufPtr,
+		Payload: payload,
+	}
+	container.writeMsg(msg)
+	return true
+}
+
+func (c *Client) writeTo(connReference *Conn, id string, dstID []byte, payload []byte) (int, error) {
+	c.mu.Lock()
+	conn, ok := c.conns[id]
+	c.mu.Unlock()
+	if !ok {
+		return 0, io.EOF
+	}
+
+	if conn.conn != connReference {
+		return 0, io.EOF
+	}
+
+	// todo: use buffer pool instead of create new transport msg.
+	msg, err := messages.MarshalTransportMsg(dstID, payload)
+	if err != nil {
+		log.Errorf("failed to marshal transport message: %s", err)
+		return 0, err
+	}
+
+	// the write always return with 0 length because the underling does not support the size feedback.
+	_, err = c.relayConn.Write(msg)
+	if err != nil {
+		log.Errorf("failed to write transport message: %s", err)
+	}
+	return len(payload), err
+}
+
+func (c *Client) listenForStopEvents(hc *healthcheck.Receiver, conn net.Conn, internalStopFlag *internalStopFlag) {
+	for {
+		select {
+		case _, ok := <-hc.OnTimeout:
+			if !ok {
+				return
+			}
+			c.log.Errorf("health check timeout")
+			internalStopFlag.set()
+			_ = conn.Close() // ignore the err because the readLoop will handle it
+			return
+		case <-c.parentCtx.Done():
+			err := c.close(true)
+			if err != nil {
+				log.Errorf("failed to teardown connection: %s", err)
+			}
+			return
+		}
+	}
+}
+
+func (c *Client) closeAllConns() {
+	for _, container := range c.conns {
+		container.close()
+	}
+	c.conns = make(map[string]*connContainer)
+}
+
+func (c *Client) closeConn(connReference *Conn, id string) error {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+
+	container, ok := c.conns[id]
+	if !ok {
+		return fmt.Errorf("connection already closed")
+	}
+
+	if container.conn != connReference {
+		return fmt.Errorf("conn reference mismatch")
+	}
+	container.close()
+	delete(c.conns, id)
+
+	return nil
+}
+
+func (c *Client) close(gracefullyExit bool) error {
+	c.readLoopMutex.Lock()
+	defer c.readLoopMutex.Unlock()
+
+	c.mu.Lock()
+	var err error
+	if !c.serviceIsRunning {
+		c.mu.Unlock()
+		return nil
+	}
+
+	c.serviceIsRunning = false
+	c.closeAllConns()
+	if gracefullyExit {
+		c.writeCloseMsg()
+		err = c.relayConn.Close()
+	}
+	c.mu.Unlock()
+
+	c.wgReadLoop.Wait()
+	c.log.Infof("relay connection closed with: %s", c.connectionURL)
+	return err
+}
+
+func (c *Client) notifyDisconnected() {
+	c.listenerMutex.Lock()
+	defer c.listenerMutex.Unlock()
+
+	if c.onDisconnectListener == nil {
+		return
+	}
+	go c.onDisconnectListener()
+}
+
+func (c *Client) writeCloseMsg() {
+	msg := messages.MarshalCloseMsg()
+	_, err := c.relayConn.Write(msg)
+	if err != nil {
+		c.log.Errorf("failed to send close message: %s", err)
+	}
+}
+
+func (c *Client) readWithTimeout(buf []byte) (int, error) {
+	ctx, cancel := context.WithTimeout(c.parentCtx, serverResponseTimeout)
+	defer cancel()
+
+	readDone := make(chan struct{})
+	var (
+		n   int
+		err error
+	)
+
+	go func() {
+		n, err = c.relayConn.Read(buf)
+		close(readDone)
+	}()
+
+	select {
+	case <-ctx.Done():
+		return 0, fmt.Errorf("read operation timed out")
+	case <-readDone:
+		return n, err
+	}
+}

relay/client/client_test.go

@@ -0,0 +1,631 @@
+package client
+
+import (
+	"context"
+	"net"
+	"os"
+	"testing"
+	"time"
+
+	log "github.com/sirupsen/logrus"
+	"go.opentelemetry.io/otel"
+
+	"github.com/netbirdio/netbird/relay/auth"
+	"github.com/netbirdio/netbird/relay/auth/hmac"
+	"github.com/netbirdio/netbird/util"
+
+	"github.com/netbirdio/netbird/relay/server"
+)
+
+var (
+	av               = &auth.AllowAllAuth{}
+	hmacTokenStore   = &hmac.TokenStore{}
+	serverListenAddr = "127.0.0.1:1234"
+	serverURL        = "rel://127.0.0.1:1234"
+)
+
+func TestMain(m *testing.M) {
+	_ = util.InitLog("error", "console")
+	code := m.Run()
+	os.Exit(code)
+}
+
+func TestClient(t *testing.T) {
+	ctx := context.Background()
+
+	srv, err := server.NewServer(otel.Meter(""), serverURL, false, av)
+	if err != nil {
+		t.Fatalf("failed to create server: %s", err)
+	}
+	errChan := make(chan error, 1)
+	go func() {
+		listenCfg := server.ListenerConfig{Address: serverListenAddr}
+		err := srv.Listen(listenCfg)
+		if err != nil {
+			errChan <- err
+		}
+	}()
+
+	defer func() {
+		err := srv.Shutdown(ctx)
+		if err != nil {
+			t.Errorf("failed to close server: %s", err)
+		}
+	}()
+
+	// wait for server to start
+	if err := waitForServerToStart(errChan); err != nil {
+		t.Fatalf("failed to start server: %s", err)
+	}
+	t.Log("alice connecting to server")
+	clientAlice := NewClient(ctx, serverURL, hmacTokenStore, "alice")
+	err = clientAlice.Connect()
+	if err != nil {
+		t.Fatalf("failed to connect to server: %s", err)
+	}
+	defer clientAlice.Close()
+
+	t.Log("placeholder connecting to server")
+	clientPlaceHolder := NewClient(ctx, serverURL, hmacTokenStore, "clientPlaceHolder")
+	err = clientPlaceHolder.Connect()
+	if err != nil {
+		t.Fatalf("failed to connect to server: %s", err)
+	}
+	defer clientPlaceHolder.Close()
+
+	t.Log("Bob connecting to server")
+	clientBob := NewClient(ctx, serverURL, hmacTokenStore, "bob")
+	err = clientBob.Connect()
+	if err != nil {
+		t.Fatalf("failed to connect to server: %s", err)
+	}
+	defer clientBob.Close()
+
+	t.Log("Alice open connection to Bob")
+	connAliceToBob, err := clientAlice.OpenConn("bob")
+	if err != nil {
+		t.Fatalf("failed to bind channel: %s", err)
+	}
+
+	t.Log("Bob open connection to Alice")
+	connBobToAlice, err := clientBob.OpenConn("alice")
+	if err != nil {
+		t.Fatalf("failed to bind channel: %s", err)
+	}
+
+	payload := "hello bob, I am alice"
+	_, err = connAliceToBob.Write([]byte(payload))
+	if err != nil {
+		t.Fatalf("failed to write to channel: %s", err)
+	}
+	log.Debugf("alice sent message to bob")
+
+	buf := make([]byte, 65535)
+	n, err := connBobToAlice.Read(buf)
+	if err != nil {
+		t.Fatalf("failed to read from channel: %s", err)
+	}
+	log.Debugf("on new message from alice to bob")
+
+	if payload != string(buf[:n]) {
+		t.Fatalf("expected %s, got %s", payload, string(buf[:n]))
+	}
+}
+
+func TestRegistration(t *testing.T) {
+	ctx := context.Background()
+	srvCfg := server.ListenerConfig{Address: serverListenAddr}
+	srv, err := server.NewServer(otel.Meter(""), serverURL, false, av)
+	if err != nil {
+		t.Fatalf("failed to create server: %s", err)
+	}
+	errChan := make(chan error, 1)
+	go func() {
+		err := srv.Listen(srvCfg)
+		if err != nil {
+			errChan <- err
+		}
+	}()
+
+	// wait for server to start
+	if err := waitForServerToStart(errChan); err != nil {
+		t.Fatalf("failed to start server: %s", err)
+	}
+
+	clientAlice := NewClient(ctx, serverURL, hmacTokenStore, "alice")
+	err = clientAlice.Connect()
+	if err != nil {
+		_ = srv.Shutdown(ctx)
+		t.Fatalf("failed to connect to server: %s", err)
+	}
+	err = clientAlice.Close()
+	if err != nil {
+		t.Errorf("failed to close conn: %s", err)
+	}
+	err = srv.Shutdown(ctx)
+	if err != nil {
+		t.Errorf("failed to close server: %s", err)
+	}
+}
+
+func TestRegistrationTimeout(t *testing.T) {
+	ctx := context.Background()
+	fakeUDPListener, err := net.ListenUDP("udp", &net.UDPAddr{
+		Port: 1234,
+		IP:   net.ParseIP("0.0.0.0"),
+	})
+	if err != nil {
+		t.Fatalf("failed to bind UDP server: %s", err)
+	}
+	defer func(fakeUDPListener *net.UDPConn) {
+		_ = fakeUDPListener.Close()
+	}(fakeUDPListener)
+
+	fakeTCPListener, err := net.ListenTCP("tcp", &net.TCPAddr{
+		Port: 1234,
+		IP:   net.ParseIP("0.0.0.0"),
+	})
+	if err != nil {
+		t.Fatalf("failed to bind TCP server: %s", err)
+	}
+	defer func(fakeTCPListener *net.TCPListener) {
+		_ = fakeTCPListener.Close()
+	}(fakeTCPListener)
+
+	clientAlice := NewClient(ctx, "127.0.0.1:1234", hmacTokenStore, "alice")
+	err = clientAlice.Connect()
+	if err == nil {
+		t.Errorf("failed to connect to server: %s", err)
+	}
+	log.Debugf("%s", err)
+	err = clientAlice.Close()
+	if err != nil {
+		t.Errorf("failed to close conn: %s", err)
+	}
+}
+
+func TestEcho(t *testing.T) {
+	ctx := context.Background()
+	idAlice := "alice"
+	idBob := "bob"
+	srvCfg := server.ListenerConfig{Address: serverListenAddr}
+	srv, err := server.NewServer(otel.Meter(""), serverURL, false, av)
+	if err != nil {
+		t.Fatalf("failed to create server: %s", err)
+	}
+	errChan := make(chan error, 1)
+	go func() {
+		err := srv.Listen(srvCfg)
+		if err != nil {
+			errChan <- err
+		}
+	}()
+
+	defer func() {
+		err := srv.Shutdown(ctx)
+		if err != nil {
+			t.Errorf("failed to close server: %s", err)
+		}
+	}()
+
+	// wait for servers to start
+	if err := waitForServerToStart(errChan); err != nil {
+		t.Fatalf("failed to start server: %s", err)
+	}
+
+	clientAlice := NewClient(ctx, serverURL, hmacTokenStore, idAlice)
+	err = clientAlice.Connect()
+	if err != nil {
+		t.Fatalf("failed to connect to server: %s", err)
+	}
+	defer func() {
+		err := clientAlice.Close()
+		if err != nil {
+			t.Errorf("failed to close Alice client: %s", err)
+		}
+	}()
+
+	clientBob := NewClient(ctx, serverURL, hmacTokenStore, idBob)
+	err = clientBob.Connect()
+	if err != nil {
+		t.Fatalf("failed to connect to server: %s", err)
+	}
+	defer func() {
+		err := clientBob.Close()
+		if err != nil {
+			t.Errorf("failed to close Bob client: %s", err)
+		}
+	}()
+
+	connAliceToBob, err := clientAlice.OpenConn(idBob)
+	if err != nil {
+		t.Fatalf("failed to bind channel: %s", err)
+	}
+
+	connBobToAlice, err := clientBob.OpenConn(idAlice)
+	if err != nil {
+		t.Fatalf("failed to bind channel: %s", err)
+	}
+
+	payload := "hello bob, I am alice"
+	_, err = connAliceToBob.Write([]byte(payload))
+	if err != nil {
+		t.Fatalf("failed to write to channel: %s", err)
+	}
+
+	buf := make([]byte, 65535)
+	n, err := connBobToAlice.Read(buf)
+	if err != nil {
+		t.Fatalf("failed to read from channel: %s", err)
+	}
+
+	_, err = connBobToAlice.Write(buf[:n])
+	if err != nil {
+		t.Fatalf("failed to write to channel: %s", err)
+	}
+
+	n, err = connAliceToBob.Read(buf)
+	if err != nil {
+		t.Fatalf("failed to read from channel: %s", err)
+	}
+
+	if payload != string(buf[:n]) {
+		t.Fatalf("expected %s, got %s", payload, string(buf[:n]))
+	}
+}
+
+func TestBindToUnavailabePeer(t *testing.T) {
+	ctx := context.Background()
+
+	srvCfg := server.ListenerConfig{Address: serverListenAddr}
+	srv, err := server.NewServer(otel.Meter(""), serverURL, false, av)
+	if err != nil {
+		t.Fatalf("failed to create server: %s", err)
+	}
+	errChan := make(chan error, 1)
+	go func() {
+		err := srv.Listen(srvCfg)
+		if err != nil {
+			errChan <- err
+		}
+	}()
+
+	defer func() {
+		log.Infof("closing server")
+		err := srv.Shutdown(ctx)
+		if err != nil {
+			t.Errorf("failed to close server: %s", err)
+		}
+	}()
+
+	// wait for servers to start
+	if err := waitForServerToStart(errChan); err != nil {
+		t.Fatalf("failed to start server: %s", err)
+	}
+
+	clientAlice := NewClient(ctx, serverURL, hmacTokenStore, "alice")
+	err = clientAlice.Connect()
+	if err != nil {
+		t.Errorf("failed to connect to server: %s", err)
+	}
+	_, err = clientAlice.OpenConn("bob")
+	if err != nil {
+		t.Errorf("failed to bind channel: %s", err)
+	}
+
+	log.Infof("closing client")
+	err = clientAlice.Close()
+	if err != nil {
+		t.Errorf("failed to close client: %s", err)
+	}
+}
+
+func TestBindReconnect(t *testing.T) {
+	ctx := context.Background()
+
+	srvCfg := server.ListenerConfig{Address: serverListenAddr}
+	srv, err := server.NewServer(otel.Meter(""), serverURL, false, av)
+	if err != nil {
+		t.Fatalf("failed to create server: %s", err)
+	}
+	errChan := make(chan error, 1)
+	go func() {
+		err := srv.Listen(srvCfg)
+		if err != nil {
+			errChan <- err
+		}
+	}()
+
+	defer func() {
+		log.Infof("closing server")
+		err := srv.Shutdown(ctx)
+		if err != nil {
+			t.Errorf("failed to close server: %s", err)
+		}
+	}()
+
+	// wait for servers to start
+	if err := waitForServerToStart(errChan); err != nil {
+		t.Fatalf("failed to start server: %s", err)
+	}
+
+	clientAlice := NewClient(ctx, serverURL, hmacTokenStore, "alice")
+	err = clientAlice.Connect()
+	if err != nil {
+		t.Errorf("failed to connect to server: %s", err)
+	}
+
+	_, err = clientAlice.OpenConn("bob")
+	if err != nil {
+		t.Errorf("failed to bind channel: %s", err)
+	}
+
+	clientBob := NewClient(ctx, serverURL, hmacTokenStore, "bob")
+	err = clientBob.Connect()
+	if err != nil {
+		t.Errorf("failed to connect to server: %s", err)
+	}
+
+	chBob, err := clientBob.OpenConn("alice")
+	if err != nil {
+		t.Errorf("failed to bind channel: %s", err)
+	}
+
+	log.Infof("closing client Alice")
+	err = clientAlice.Close()
+	if err != nil {
+		t.Errorf("failed to close client: %s", err)
+	}
+
+	clientAlice = NewClient(ctx, serverURL, hmacTokenStore, "alice")
+	err = clientAlice.Connect()
+	if err != nil {
+		t.Errorf("failed to connect to server: %s", err)
+	}
+
+	chAlice, err := clientAlice.OpenConn("bob")
+	if err != nil {
+		t.Errorf("failed to bind channel: %s", err)
+	}
+
+	testString := "hello alice, I am bob"
+	_, err = chBob.Write([]byte(testString))
+	if err != nil {
+		t.Errorf("failed to write to channel: %s", err)
+	}
+
+	buf := make([]byte, 65535)
+	n, err := chAlice.Read(buf)
+	if err != nil {
+		t.Errorf("failed to read from channel: %s", err)
+	}
+
+	if testString != string(buf[:n]) {
+		t.Errorf("expected %s, got %s", testString, string(buf[:n]))
+	}
+
+	log.Infof("closing client")
+	err = clientAlice.Close()
+	if err != nil {
+		t.Errorf("failed to close client: %s", err)
+	}
+}
+
+func TestCloseConn(t *testing.T) {
+	ctx := context.Background()
+
+	srvCfg := server.ListenerConfig{Address: serverListenAddr}
+	srv, err := server.NewServer(otel.Meter(""), serverURL, false, av)
+	if err != nil {
+		t.Fatalf("failed to create server: %s", err)
+	}
+	errChan := make(chan error, 1)
+	go func() {
+		err := srv.Listen(srvCfg)
+		if err != nil {
+			errChan <- err
+		}
+	}()
+
+	defer func() {
+		log.Infof("closing server")
+		err := srv.Shutdown(ctx)
+		if err != nil {
+			t.Errorf("failed to close server: %s", err)
+		}
+	}()
+
+	// wait for servers to start
+	if err := waitForServerToStart(errChan); err != nil {
+		t.Fatalf("failed to start server: %s", err)
+	}
+
+	clientAlice := NewClient(ctx, serverURL, hmacTokenStore, "alice")
+	err = clientAlice.Connect()
+	if err != nil {
+		t.Errorf("failed to connect to server: %s", err)
+	}
+
+	conn, err := clientAlice.OpenConn("bob")
+	if err != nil {
+		t.Errorf("failed to bind channel: %s", err)
+	}
+
+	log.Infof("closing connection")
+	err = conn.Close()
+	if err != nil {
+		t.Errorf("failed to close connection: %s", err)
+	}
+
+	_, err = conn.Read(make([]byte, 1))
+	if err == nil {
+		t.Errorf("unexpected reading from closed connection")
+	}
+
+	_, err = conn.Write([]byte("hello"))
+	if err == nil {
+		t.Errorf("unexpected writing from closed connection")
+	}
+}
+
+func TestCloseRelayConn(t *testing.T) {
+	ctx := context.Background()
+
+	srvCfg := server.ListenerConfig{Address: serverListenAddr}
+	srv, err := server.NewServer(otel.Meter(""), serverURL, false, av)
+	if err != nil {
+		t.Fatalf("failed to create server: %s", err)
+	}
+	errChan := make(chan error, 1)
+	go func() {
+		err := srv.Listen(srvCfg)
+		if err != nil {
+			errChan <- err
+		}
+	}()
+
+	defer func() {
+		err := srv.Shutdown(ctx)
+		if err != nil {
+			log.Errorf("failed to close server: %s", err)
+		}
+	}()
+
+	// wait for servers to start
+	if err := waitForServerToStart(errChan); err != nil {
+		t.Fatalf("failed to start server: %s", err)
+	}
+
+	clientAlice := NewClient(ctx, serverURL, hmacTokenStore, "alice")
+	err = clientAlice.Connect()
+	if err != nil {
+		t.Fatalf("failed to connect to server: %s", err)
+	}
+
+	conn, err := clientAlice.OpenConn("bob")
+	if err != nil {
+		t.Errorf("failed to bind channel: %s", err)
+	}
+
+	_ = clientAlice.relayConn.Close()
+
+	_, err = conn.Read(make([]byte, 1))
+	if err == nil {
+		t.Errorf("unexpected reading from closed connection")
+	}
+
+	_, err = clientAlice.OpenConn("bob")
+	if err == nil {
+		t.Errorf("unexpected opening connection to closed server")
+	}
+}
+
+func TestCloseByServer(t *testing.T) {
+	ctx := context.Background()
+
+	srvCfg := server.ListenerConfig{Address: serverListenAddr}
+	srv1, err := server.NewServer(otel.Meter(""), serverURL, false, av)
+	if err != nil {
+		t.Fatalf("failed to create server: %s", err)
+	}
+	errChan := make(chan error, 1)
+
+	go func() {
+		err := srv1.Listen(srvCfg)
+		if err != nil {
+			errChan <- err
+		}
+	}()
+
+	// wait for servers to start
+	if err := waitForServerToStart(errChan); err != nil {
+		t.Fatalf("failed to start server: %s", err)
+	}
+
+	idAlice := "alice"
+	log.Debugf("connect by alice")
+	relayClient := NewClient(ctx, serverURL, hmacTokenStore, idAlice)
+	err = relayClient.Connect()
+	if err != nil {
+		log.Fatalf("failed to connect to server: %s", err)
+	}
+
+	disconnected := make(chan struct{})
+	relayClient.SetOnDisconnectListener(func() {
+		log.Infof("client disconnected")
+		close(disconnected)
+	})
+
+	err = srv1.Shutdown(ctx)
+	if err != nil {
+		t.Fatalf("failed to close server: %s", err)
+	}
+
+	select {
+	case <-disconnected:
+	case <-time.After(3 * time.Second):
+		log.Fatalf("timeout waiting for client to disconnect")
+	}
+
+	_, err = relayClient.OpenConn("bob")
+	if err == nil {
+		t.Errorf("unexpected opening connection to closed server")
+	}
+}
+
+func TestCloseByClient(t *testing.T) {
+	ctx := context.Background()
+
+	srvCfg := server.ListenerConfig{Address: serverListenAddr}
+	srv, err := server.NewServer(otel.Meter(""), serverURL, false, av)
+	if err != nil {
+		t.Fatalf("failed to create server: %s", err)
+	}
+	errChan := make(chan error, 1)
+	go func() {
+		err := srv.Listen(srvCfg)
+		if err != nil {
+			errChan <- err
+		}
+	}()
+
+	// wait for servers to start
+	if err := waitForServerToStart(errChan); err != nil {
+		t.Fatalf("failed to start server: %s", err)
+	}
+
+	idAlice := "alice"
+	log.Debugf("connect by alice")
+	relayClient := NewClient(ctx, serverURL, hmacTokenStore, idAlice)
+	err = relayClient.Connect()
+	if err != nil {
+		log.Fatalf("failed to connect to server: %s", err)
+	}
+
+	err = relayClient.Close()
+	if err != nil {
+		t.Errorf("failed to close client: %s", err)
+	}
+
+	_, err = relayClient.OpenConn("bob")
+	if err == nil {
+		t.Errorf("unexpected opening connection to closed server")
+	}
+
+	err = srv.Shutdown(ctx)
+	if err != nil {
+		t.Fatalf("failed to close server: %s", err)
+	}
+}
+
+func waitForServerToStart(errChan chan error) error {
+	select {
+	case err := <-errChan:
+		if err != nil {
+			return err
+		}
+	case <-time.After(300 * time.Millisecond):
+		return nil
+	}
+	return nil
+}