test migration

Signed-off-by: bcmmbaga <bethuelmbaga12@gmail.com>

.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 (non-mobile) client issues?**
+
+Please provide the file created by `netbird debug for 1m -AS`.
+We advise reviewing the anonymized files for any remaining PII.
 
 **Screenshots**
 

.github/workflows/release.yml

@@ -10,7 +10,7 @@ on:
 
 
 env:
-  SIGN_PIPE_VER: "v0.0.12"
+  SIGN_PIPE_VER: "v0.0.14"
   GORELEASER_VER: "v1.14.1"
   PRODUCT_NAME: "NetBird"
   COPYRIGHT: "Wiretrustee UG (haftungsbeschreankt)"
@@ -231,29 +231,15 @@ jobs:
           path: dist/
           retention-days: 3
 
-  trigger_windows_signer:
+  trigger_signer:
     runs-on: ubuntu-latest
-    needs: [release,release_ui]
+    needs: [release,release_ui,release_ui_darwin]
     if: startsWith(github.ref, 'refs/tags/')
     steps:
-      - name: Trigger Windows binaries sign pipeline
+      - name: Trigger binaries sign pipelines
         uses: benc-uk/workflow-dispatch@v1
         with:
-          workflow: Sign windows bin and installer
-          repo: netbirdio/sign-pipelines
-          ref: ${{ env.SIGN_PIPE_VER }}
-          token: ${{ secrets.SIGN_GITHUB_TOKEN }}
-          inputs: '{ "tag": "${{ github.ref }}" }'
-
-  trigger_darwin_signer:
-    runs-on: ubuntu-latest
-    needs: [release,release_ui_darwin]
-    if: startsWith(github.ref, 'refs/tags/')
-    steps:
-      - name: Trigger Darwin App binaries sign pipeline
-        uses: benc-uk/workflow-dispatch@v1
-        with:
-          workflow: Sign darwin ui app with dispatch
+          workflow: Sign bin and installer
           repo: netbirdio/sign-pipelines
           ref: ${{ env.SIGN_PIPE_VER }}
           token: ${{ secrets.SIGN_GITHUB_TOKEN }}

.github/workflows/test-infrastructure-files.yml

@@ -18,7 +18,31 @@ concurrency:
 jobs:
   test-docker-compose:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        store: [ 'sqlite', 'postgres' ]
+    services:
+      postgres:
+        image: ${{ (matrix.store == 'postgres') && 'postgres' || '' }}
+        env:
+          POSTGRES_USER: netbird
+          POSTGRES_PASSWORD: postgres
+          POSTGRES_DB: netbird
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+        ports:
+          - 5432:5432
     steps:
+      - name: Set Database Connection String
+        run: |
+          if [ "${{ matrix.store }}" == "postgres" ]; then
+            echo "NETBIRD_STORE_ENGINE_POSTGRES_DSN=host=$(hostname -I | awk '{print $1}') user=netbird password=postgres dbname=netbird port=5432" >> $GITHUB_ENV
+          else
+            echo "NETBIRD_STORE_ENGINE_POSTGRES_DSN==" >> $GITHUB_ENV
+          fi
+
       - name: Install jq
         run: sudo apt-get install -y jq
 
@@ -58,7 +82,8 @@ jobs:
           CI_NETBIRD_IDP_MGMT_CLIENT_ID: testing.client.id
           CI_NETBIRD_IDP_MGMT_CLIENT_SECRET: testing.client.secret
           CI_NETBIRD_AUTH_SUPPORTED_SCOPES: "openid profile email offline_access api email_verified"
-          CI_NETBIRD_STORE_CONFIG_ENGINE: "sqlite"
+          CI_NETBIRD_STORE_CONFIG_ENGINE: ${{ matrix.store }}
+          NETBIRD_STORE_ENGINE_POSTGRES_DSN: ${{ env.NETBIRD_STORE_ENGINE_POSTGRES_DSN }}
           CI_NETBIRD_MGMT_IDP_SIGNKEY_REFRESH: false
 
       - name: check values
@@ -85,7 +110,8 @@ jobs:
           CI_NETBIRD_IDP_MGMT_CLIENT_ID: testing.client.id
           CI_NETBIRD_IDP_MGMT_CLIENT_SECRET: testing.client.secret
           CI_NETBIRD_SIGNAL_PORT: 12345
-          CI_NETBIRD_STORE_CONFIG_ENGINE: "sqlite"
+          CI_NETBIRD_STORE_CONFIG_ENGINE: ${{ matrix.store }}
+          NETBIRD_STORE_ENGINE_POSTGRES_DSN: '${{ env.NETBIRD_STORE_ENGINE_POSTGRES_DSN }}$'
           CI_NETBIRD_MGMT_IDP_SIGNKEY_REFRESH: false
           CI_NETBIRD_TURN_EXTERNAL_IP: "1.2.3.4"
 
@@ -123,6 +149,14 @@ jobs:
           grep -A 10 PKCEAuthorizationFlow management.json | grep -A 10 ProviderConfig | grep Scope | grep "$CI_NETBIRD_AUTH_SUPPORTED_SCOPES"
           grep -A 10 PKCEAuthorizationFlow management.json | grep -A 10 ProviderConfig | grep -A 3 RedirectURLs | grep "http://localhost:53000"
           grep "external-ip" turnserver.conf | grep $CI_NETBIRD_TURN_EXTERNAL_IP
+          grep NETBIRD_STORE_ENGINE_POSTGRES_DSN docker-compose.yml | egrep "$NETBIRD_STORE_ENGINE_POSTGRES_DSN"
+          # check relay values
+          grep "NB_EXPOSED_ADDRESS=$CI_NETBIRD_DOMAIN:33445" docker-compose.yml
+          grep "NB_LISTEN_ADDRESS=:33445" docker-compose.yml
+          grep '33445:33445' docker-compose.yml
+          grep -A 10 'relay:' docker-compose.yml | egrep 'NB_AUTH_SECRET=.+$'
+          grep -A 7 Relay management.json | grep "rel://$CI_NETBIRD_DOMAIN:33445"
+          grep -A 7 Relay management.json | egrep '"Secret": ".+"'
 
       - name: Install modules
         run: go mod tidy
@@ -148,6 +182,15 @@ jobs:
         run: |
           docker build -t netbirdio/signal:latest .
 
+      - name: Build relay binary
+        working-directory: relay
+        run: CGO_ENABLED=0 go build -o netbird-relay main.go
+
+      - name: Build relay docker image
+        working-directory: relay
+        run: |
+          docker build -t netbirdio/relay:latest .
+
       - name: run docker compose up
         working-directory: infrastructure_files/artifacts
         run: |
@@ -159,15 +202,15 @@ jobs:
       - name: test running containers
         run: |
           count=$(docker compose ps --format json | jq '. | select(.Name | contains("artifacts")) | .State' | grep -c running)
-          test $count -eq 4
+          test $count -eq 5 || docker compose logs
         working-directory: infrastructure_files/artifacts
 
       - name: test geolocation databases
         working-directory: infrastructure_files/artifacts
         run: |
           sleep 30
-          docker compose exec management ls -l /var/lib/netbird/ | grep -i GeoLite2-City.mmdb
-          docker compose exec management ls -l /var/lib/netbird/ | grep -i geonames.db
+          docker compose exec management ls -l /var/lib/netbird/ | grep -i GeoLite2-City_[0-9]*.mmdb
+          docker compose exec management ls -l /var/lib/netbird/ | grep -i geonames_[0-9]*.db
 
   test-getting-started-script:
     runs-on: ubuntu-latest
@@ -191,7 +234,7 @@ jobs:
         run: test -f management.json
 
       - name: test turnserver.conf file gen postgres
-        run: | 
+        run: |
           set -x
           test -f turnserver.conf
           grep external-ip turnserver.conf
@@ -202,6 +245,9 @@ jobs:
       - name: test dashboard.env file gen postgres
         run: test -f dashboard.env
 
+      - name: test relay.env file gen postgres
+        run: test -f relay.env
+
       - name: test zdb.env file gen postgres
         run: test -f zdb.env
 
@@ -226,7 +272,7 @@ jobs:
         run: test -f management.json
 
       - name: test turnserver.conf file gen CockroachDB
-        run: | 
+        run: |
           set -x
           test -f turnserver.conf
           grep external-ip turnserver.conf
@@ -237,20 +283,5 @@ jobs:
       - name: test dashboard.env file gen CockroachDB
         run: test -f dashboard.env
 
-  test-download-geolite2-script:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Install jq
-        run: sudo apt-get update && sudo apt-get install -y unzip sqlite3
-
-      - name: Checkout code
-        uses: actions/checkout@v3
-
-      - name: test script
-        run: bash -x infrastructure_files/download-geolite2.sh
-
-      - name: test mmdb file exists
-        run: test -f GeoLite2-City.mmdb
-
-      - name: test geonames file exists
-        run: test -f geonames.db
+      - name: test relay.env file gen CockroachDB
+        run: test -f relay.env

.gitignore

@@ -29,4 +29,3 @@ infrastructure_files/setup.env
 infrastructure_files/setup-*.env
 .vscode
 .DS_Store
-GeoLite2-City*

.goreleaser.yaml

@@ -80,6 +80,20 @@ builds:
       - -s -w -X github.com/netbirdio/netbird/version.version={{.Version}} -X main.commit={{.Commit}} -X main.date={{.CommitDate}} -X main.builtBy=goreleaser
     mod_timestamp: '{{ .CommitTimestamp }}'
 
+  - id: netbird-relay
+    dir: relay
+    env: [CGO_ENABLED=0]
+    binary: netbird-relay
+    goos:
+      - linux
+    goarch:
+      - amd64
+      - arm64
+      - arm
+    ldflags:
+      - -s -w -X github.com/netbirdio/netbird/version.version={{.Version}} -X main.commit={{.Commit}} -X main.date={{.CommitDate}} -X main.builtBy=goreleaser
+    mod_timestamp: '{{ .CommitTimestamp }}'
+
 archives:
   - builds:
       - netbird
@@ -161,6 +175,52 @@ dockers:
       - "--label=org.opencontainers.image.revision={{.FullCommit}}"
       - "--label=org.opencontainers.image.version={{.Version}}"
       - "--label=maintainer=dev@netbird.io"
+  - image_templates:
+      - netbirdio/relay:{{ .Version }}-amd64
+    ids:
+      - netbird-relay
+    goarch: amd64
+    use: buildx
+    dockerfile: relay/Dockerfile
+    build_flag_templates:
+      - "--platform=linux/amd64"
+      - "--label=org.opencontainers.image.created={{.Date}}"
+      - "--label=org.opencontainers.image.title={{.ProjectName}}"
+      - "--label=org.opencontainers.image.version={{.Version}}"
+      - "--label=org.opencontainers.image.revision={{.FullCommit}}"
+      - "--label=org.opencontainers.image.version={{.Version}}"
+      - "--label=maintainer=dev@netbird.io"
+  - image_templates:
+      - netbirdio/relay:{{ .Version }}-arm64v8
+    ids:
+      - netbird-relay
+    goarch: arm64
+    use: buildx
+    dockerfile: relay/Dockerfile
+    build_flag_templates:
+      - "--platform=linux/arm64"
+      - "--label=org.opencontainers.image.created={{.Date}}"
+      - "--label=org.opencontainers.image.title={{.ProjectName}}"
+      - "--label=org.opencontainers.image.version={{.Version}}"
+      - "--label=org.opencontainers.image.revision={{.FullCommit}}"
+      - "--label=org.opencontainers.image.version={{.Version}}"
+      - "--label=maintainer=dev@netbird.io"
+  - image_templates:
+      - netbirdio/relay:{{ .Version }}-arm
+    ids:
+      - netbird-relay
+    goarch: arm
+    goarm: 6
+    use: buildx
+    dockerfile: relay/Dockerfile
+    build_flag_templates:
+      - "--platform=linux/arm"
+      - "--label=org.opencontainers.image.created={{.Date}}"
+      - "--label=org.opencontainers.image.title={{.ProjectName}}"
+      - "--label=org.opencontainers.image.version={{.Version}}"
+      - "--label=org.opencontainers.image.revision={{.FullCommit}}"
+      - "--label=org.opencontainers.image.version={{.Version}}"
+      - "--label=maintainer=dev@netbird.io"
   - image_templates:
       - netbirdio/signal:{{ .Version }}-amd64
     ids:
@@ -313,6 +373,18 @@ docker_manifests:
       - netbirdio/netbird:{{ .Version }}-arm
       - netbirdio/netbird:{{ .Version }}-amd64
 
+  - name_template: netbirdio/relay:{{ .Version }}
+    image_templates:
+      - netbirdio/relay:{{ .Version }}-arm64v8
+      - netbirdio/relay:{{ .Version }}-arm
+      - netbirdio/relay:{{ .Version }}-amd64
+
+  - name_template: netbirdio/relay:latest
+    image_templates:
+      - netbirdio/relay:{{ .Version }}-arm64v8
+      - netbirdio/relay:{{ .Version }}-arm
+      - netbirdio/relay:{{ .Version }}-amd64
+
   - name_template: netbirdio/signal:{{ .Version }}
     image_templates:
       - netbirdio/signal:{{ .Version }}-arm64v8
@@ -386,4 +458,4 @@ checksum:
 release:
   extra_files:
     - glob: ./infrastructure_files/getting-started-with-zitadel.sh
-    - glob: ./release_files/install.sh
+    - glob: ./release_files/install.sh

.goreleaser_ui.yaml

@@ -11,8 +11,6 @@ builds:
       - amd64
     ldflags:
       - -s -w -X github.com/netbirdio/netbird/version.version={{.Version}} -X main.commit={{.Commit}} -X main.date={{.CommitDate}} -X main.builtBy=goreleaser
-    tags:
-      - legacy_appindicator
     mod_timestamp: '{{ .CommitTimestamp }}'
 
   - id: netbird-ui-windows

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>
@@ -30,7 +30,7 @@
   <br/>
   See <a href="https://netbird.io/docs/">Documentation</a>
   <br/>
-   Join our <a href="https://join.slack.com/t/netbirdio/shared_invite/zt-vrahf41g-ik1v7fV8du6t0RwxSrJ96A">Slack channel</a>
+   Join our <a href="https://join.slack.com/t/netbirdio/shared_invite/zt-2p5zwhm4g-8fHollzrQa5y4PZF5AEpvQ">Slack channel</a>
   <br/>
  
 </strong>

client/Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.19
+FROM alpine:3.20
 RUN apk add --no-cache ca-certificates iptables ip6tables
 ENV NB_FOREGROUND_MODE=true
 ENTRYPOINT [ "/usr/local/bin/netbird","up"]

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/down.go

@@ -42,6 +42,8 @@ var downCmd = &cobra.Command{
 			log.Errorf("call service down method: %v", err)
 			return err
 		}
+
+		cmd.Println("Disconnected")
 		return nil
 	},
 }

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/root_test.go

@@ -4,6 +4,10 @@ import (
 	"fmt"
 	"io"
 	"testing"
+
+	"github.com/spf13/cobra"
+
+	"github.com/netbirdio/netbird/iface"
 )
 
 func TestInitCommands(t *testing.T) {
@@ -34,3 +38,44 @@ func TestInitCommands(t *testing.T) {
 		})
 	}
 }
+
+func TestSetFlagsFromEnvVars(t *testing.T) {
+	var cmd = &cobra.Command{
+		Use:          "netbird",
+		Long:         "test",
+		SilenceUsage: true,
+		Run: func(cmd *cobra.Command, args []string) {
+			SetFlagsFromEnvVars(cmd)
+		},
+	}
+
+	cmd.PersistentFlags().StringSliceVar(&natExternalIPs, externalIPMapFlag, nil,
+		`comma separated list of external IPs to map to the Wireguard interface`)
+	cmd.PersistentFlags().StringVar(&interfaceName, interfaceNameFlag, iface.WgInterfaceDefault, "Wireguard interface name")
+	cmd.PersistentFlags().BoolVar(&rosenpassEnabled, enableRosenpassFlag, false, "Enable Rosenpass feature Rosenpass.")
+	cmd.PersistentFlags().Uint16Var(&wireguardPort, wireguardPortFlag, iface.DefaultWgPort, "Wireguard interface listening port")
+
+	t.Setenv("NB_EXTERNAL_IP_MAP", "abc,dec")
+	t.Setenv("NB_INTERFACE_NAME", "test-name")
+	t.Setenv("NB_ENABLE_ROSENPASS", "true")
+	t.Setenv("NB_WIREGUARD_PORT", "10000")
+	err := cmd.Execute()
+	if err != nil {
+		t.Fatalf("expected no error while running netbird command, got %v", err)
+	}
+	if len(natExternalIPs) != 2 {
+		t.Errorf("expected 2 external ips, got %d", len(natExternalIPs))
+	}
+	if natExternalIPs[0] != "abc" || natExternalIPs[1] != "dec" {
+		t.Errorf("expected abc,dec, got %s,%s", natExternalIPs[0], natExternalIPs[1])
+	}
+	if interfaceName != "test-name" {
+		t.Errorf("expected test-name, got %s", interfaceName)
+	}
+	if !rosenpassEnabled {
+		t.Errorf("expected rosenpassEnabled to be true, got false")
+	}
+	if wireguardPort != 10000 {
+		t.Errorf("expected wireguardPort to be 10000, got %d", wireguardPort)
+	}
+}

client/cmd/service.go

@@ -2,18 +2,21 @@ package cmd
 
 import (
 	"context"
+
 	"github.com/kardianos/service"
 	log "github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
 	"google.golang.org/grpc"
 
 	"github.com/netbirdio/netbird/client/internal"
+	"github.com/netbirdio/netbird/client/server"
 )
 
 type program struct {
-	ctx    context.Context
-	cancel context.CancelFunc
-	serv   *grpc.Server
+	ctx            context.Context
+	cancel         context.CancelFunc
+	serv           *grpc.Server
+	serverInstance *server.Server
 }
 
 func newProgram(ctx context.Context, cancel context.CancelFunc) *program {

client/cmd/service_controller.go

@@ -61,6 +61,8 @@ func (p *program) Start(svc service.Service) error {
 		}
 		proto.RegisterDaemonServiceServer(p.serv, serverInstance)
 
+		p.serverInstance = serverInstance
+
 		log.Printf("started daemon server: %v", split[1])
 		if err := p.serv.Serve(listen); err != nil {
 			log.Errorf("failed to serve daemon requests: %v", err)
@@ -70,6 +72,14 @@ func (p *program) Start(svc service.Service) error {
 }
 
 func (p *program) Stop(srv service.Service) error {
+	if p.serverInstance != nil {
+		in := new(proto.DownRequest)
+		_, err := p.serverInstance.Down(p.ctx, in)
+		if err != nil {
+			log.Errorf("failed to stop daemon: %v", err)
+		}
+	}
+
 	p.cancel()
 
 	if p.serv != nil {

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

@@ -11,6 +11,7 @@ import (
 	"go.opentelemetry.io/otel"
 
 	"github.com/netbirdio/netbird/management/server/activity"
+	"github.com/netbirdio/netbird/management/server/telemetry"
 
 	"github.com/netbirdio/netbird/util"
 
@@ -71,6 +72,7 @@ func startSignal(t *testing.T) (*grpc.Server, net.Listener) {
 
 func startManagement(t *testing.T, config *mgmt.Config) (*grpc.Server, net.Listener) {
 	t.Helper()
+
 	lis, err := net.Listen("tcp", ":0")
 	if err != nil {
 		t.Fatal(err)
@@ -88,12 +90,17 @@ func startManagement(t *testing.T, config *mgmt.Config) (*grpc.Server, net.Liste
 		return nil, nil
 	}
 	iv, _ := integrations.NewIntegratedValidator(context.Background(), eventStore)
-	accountManager, err := mgmt.BuildManager(context.Background(), store, peersUpdateManager, nil, "", "netbird.selfhosted", eventStore, nil, false, iv)
+
+	metrics, err := telemetry.NewDefaultAppMetrics(context.Background())
+	require.NoError(t, err)
+
+	accountManager, err := mgmt.BuildManager(context.Background(), store, peersUpdateManager, nil, "", "netbird.selfhosted", eventStore, nil, false, iv, metrics)
 	if err != nil {
 		t.Fatal(err)
 	}
-	turnManager := mgmt.NewTimeBasedAuthSecretsManager(peersUpdateManager, config.TURNConfig)
-	mgmtServer, err := mgmt.NewServer(context.Background(), config, accountManager, peersUpdateManager, turnManager, nil, nil)
+
+	secretsManager := mgmt.NewTimeBasedAuthSecretsManager(peersUpdateManager, config.TURNConfig, config.Relay)
+	mgmtServer, err := mgmt.NewServer(context.Background(), config, accountManager, peersUpdateManager, secretsManager, 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"
@@ -55,17 +57,15 @@ func NewConnectClient(
 
 // Run with main logic.
 func (c *ConnectClient) Run() error {
-	return c.run(MobileDependency{}, nil, nil, nil, nil)
+	return c.run(MobileDependency{}, nil, nil)
 }
 
 // RunWithProbes runs the client's main logic with probes attached
 func (c *ConnectClient) RunWithProbes(
-	mgmProbe *Probe,
-	signalProbe *Probe,
-	relayProbe *Probe,
-	wgProbe *Probe,
+	probes *ProbeHolder,
+	runningChan chan error,
 ) error {
-	return c.run(MobileDependency{}, mgmProbe, signalProbe, relayProbe, wgProbe)
+	return c.run(MobileDependency{}, probes, runningChan)
 }
 
 // RunOnAndroid with main logic on mobile system
@@ -84,7 +84,7 @@ func (c *ConnectClient) RunOnAndroid(
 		HostDNSAddresses:      dnsAddresses,
 		DnsReadyListener:      dnsReadyListener,
 	}
-	return c.run(mobileDependency, nil, nil, nil, nil)
+	return c.run(mobileDependency, nil, nil)
 }
 
 func (c *ConnectClient) RunOniOS(
@@ -100,15 +100,13 @@ func (c *ConnectClient) RunOniOS(
 		NetworkChangeListener: networkChangeListener,
 		DnsManager:            dnsManager,
 	}
-	return c.run(mobileDependency, nil, nil, nil, nil)
+	return c.run(mobileDependency, nil, nil)
 }
 
 func (c *ConnectClient) run(
 	mobileDependency MobileDependency,
-	mgmProbe *Probe,
-	signalProbe *Probe,
-	relayProbe *Probe,
-	wgProbe *Probe,
+	probes *ProbeHolder,
+	runningChan chan error,
 ) error {
 	defer func() {
 		if r := recover(); r != nil {
@@ -162,10 +160,8 @@ 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 +183,7 @@ 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)
 			}
 		}()
@@ -199,6 +194,7 @@ func (c *ConnectClient) run(
 			log.Debug(err)
 			if s, ok := gstatus.FromError(err); ok && (s.Code() == codes.PermissionDenied) {
 				state.Set(StatusNeedsLogin)
+				_ = c.Stop()
 				return backoff.Permanent(wrapErr(err)) // unrecoverable error
 			}
 			return wrapErr(err)
@@ -211,7 +207,6 @@ func (c *ConnectClient) run(
 			KernelInterface: iface.WireGuardModuleIsLoaded(),
 			FQDN:            loginResp.GetPeerConfig().GetFqdn(),
 		}
-
 		c.statusRecorder.UpdateLocalPeerState(localPeerState)
 
 		signalURL := fmt.Sprintf("%s://%s",
@@ -244,6 +239,23 @@ func (c *ConnectClient) run(
 
 		c.statusRecorder.MarkSignalConnected()
 
+		relayURLs, token := parseRelayInfo(loginResp)
+		relayManager := relayClient.NewManager(engineCtx, relayURLs, myPrivateKey.PublicKey().String())
+		if len(relayURLs) > 0 {
+			if token != nil {
+				if err := relayManager.UpdateToken(token); err != nil {
+					log.Errorf("failed to update token: %s", err)
+					return wrapErr(err)
+				}
+			}
+			log.Infof("connecting to the Relay service(s): %s", strings.Join(relayURLs, ", "))
+			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 +267,11 @@ 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, probes, 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)
 		}
@@ -267,17 +279,16 @@ func (c *ConnectClient) run(
 		log.Infof("Netbird engine started, the IP is: %s", peerConfig.GetAddress())
 		state.Set(StatusConnected)
 
+		if runningChan != nil {
+			runningChan <- nil
+			close(runningChan)
+		}
+
 		<-engineCtx.Done()
 		c.statusRecorder.ClientTeardown()
 
 		backOff.Reset()
 
-		err = c.engine.Stop()
-		if err != nil {
-			log.Errorf("failed stopping engine %v", err)
-			return wrapErr(err)
-		}
-
 		log.Info("stopped NetBird client")
 
 		if _, err := state.Status(); errors.Is(err, ErrResetConnection) {
@@ -293,13 +304,31 @@ func (c *ConnectClient) run(
 		log.Debugf("exiting client retry loop due to unrecoverable error: %s", err)
 		if s, ok := gstatus.FromError(err); ok && (s.Code() == codes.PermissionDenied) {
 			state.Set(StatusNeedsLogin)
+			_ = c.Stop()
 		}
 		return err
 	}
 	return nil
 }
 
+func parseRelayInfo(loginResp *mgmProto.LoginResponse) ([]string, *hmac.Token) {
+	relayCfg := loginResp.GetWiretrusteeConfig().GetRelay()
+	if relayCfg == nil {
+		return nil, nil
+	}
+
+	token := &hmac.Token{
+		Payload:   relayCfg.GetTokenPayload(),
+		Signature: relayCfg.GetTokenSignature(),
+	}
+
+	return relayCfg.GetUrls(), token
+}
+
 func (c *ConnectClient) Engine() *Engine {
+	if c == nil {
+		return nil
+	}
 	var e *Engine
 	c.engineMutex.Lock()
 	e = c.engine
@@ -307,6 +336,28 @@ func (c *ConnectClient) Engine() *Engine {
 	return e
 }
 
+func (c *ConnectClient) Stop() error {
+	if c == nil {
+		return nil
+	}
+	c.engineMutex.Lock()
+	defer c.engineMutex.Unlock()
+
+	if c.engine == nil {
+		return nil
+	}
+	return c.engine.Stop()
+}
+
+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
@@ -397,19 +448,43 @@ func statusRecorderToSignalConnStateNotifier(statusRecorder *peer.Status) signal
 	return notifier
 }
 
-func freePort(start int) (int, error) {
+// freePort attempts to determine if the provided port is available, if not it will ask the system for a free port.
+func freePort(initPort int) (int, error) {
 	addr := net.UDPAddr{}
-	if start == 0 {
-		start = iface.DefaultWgPort
+	if initPort == 0 {
+		initPort = iface.DefaultWgPort
 	}
-	for x := start; x <= 65535; x++ {
-		addr.Port = x
-		conn, err := net.ListenUDP("udp", &addr)
-		if err != nil {
-			continue
-		}
-		conn.Close()
-		return x, nil
+
+	addr.Port = initPort
+
+	conn, err := net.ListenUDP("udp", &addr)
+	if err == nil {
+		closeConnWithLog(conn)
+		return initPort, nil
+	}
+
+	// if the port is already in use, ask the system for a free port
+	addr.Port = 0
+	conn, err = net.ListenUDP("udp", &addr)
+	if err != nil {
+		return 0, fmt.Errorf("unable to get a free port: %v", err)
+	}
+
+	udpAddr, ok := conn.LocalAddr().(*net.UDPAddr)
+	if !ok {
+		return 0, errors.New("wrong address type when getting a free port")
+	}
+	closeConnWithLog(conn)
+	return udpAddr.Port, nil
+}
+
+func closeConnWithLog(conn *net.UDPConn) {
+	startClosing := time.Now()
+	err := conn.Close()
+	if err != nil {
+		log.Warnf("closing probe port %d failed: %v. NetBird will still attempt to use this port for connection.", conn.LocalAddr().(*net.UDPAddr).Port, err)
+	}
+	if time.Since(startClosing) > time.Second {
+		log.Warnf("closing the testing port %d took %s. Usually it is safe to ignore, but continuous warnings may indicate a problem.", conn.LocalAddr().(*net.UDPAddr).Port, time.Since(startClosing))
 	}
-	return 0, errors.New("no free ports")
 }

client/internal/connect_test.go

@@ -7,51 +7,55 @@ import (
 
 func Test_freePort(t *testing.T) {
 	tests := []struct {
-		name    string
-		port    int
-		want    int
-		wantErr bool
+		name        string
+		port        int
+		want        int
+		shouldMatch bool
 	}{
 		{
-			name:    "available",
-			port:    51820,
-			want:    51820,
-			wantErr: false,
+			name:        "not provided, fallback to default",
+			port:        0,
+			want:        51820,
+			shouldMatch: true,
 		},
 		{
-			name:    "notavailable",
-			port:    51830,
-			want:    51831,
-			wantErr: false,
+			name:        "provided and available",
+			port:        51821,
+			want:        51821,
+			shouldMatch: true,
 		},
 		{
-			name:    "noports",
-			port:    65535,
-			want:    0,
-			wantErr: true,
+			name:        "provided and not available",
+			port:        51830,
+			want:        51830,
+			shouldMatch: false,
 		},
 	}
+	c1, err := net.ListenUDP("udp", &net.UDPAddr{Port: 51830})
+	if err != nil {
+		t.Errorf("freePort error = %v", err)
+	}
+	defer func(c1 *net.UDPConn) {
+		_ = c1.Close()
+	}(c1)
+
 	for _, tt := range tests {
 
-		c1, err := net.ListenUDP("udp", &net.UDPAddr{Port: 51830})
-		if err != nil {
-			t.Errorf("freePort error = %v", err)
-		}
-		c2, err := net.ListenUDP("udp", &net.UDPAddr{Port: 65535})
-		if err != nil {
-			t.Errorf("freePort error = %v", err)
-		}
 		t.Run(tt.name, func(t *testing.T) {
 			got, err := freePort(tt.port)
-			if (err != nil) != tt.wantErr {
-				t.Errorf("freePort() error = %v, wantErr %v", err, tt.wantErr)
-				return
+
+			if err != nil {
+				t.Errorf("got an error while getting free port: %v", err)
 			}
-			if got != tt.want {
-				t.Errorf("freePort() = %v, want %v", got, tt.want)
+
+			if tt.shouldMatch && got != tt.want {
+				t.Errorf("got a different port %v, want %v", got, tt.want)
+			}
+
+			if !tt.shouldMatch && got == tt.want {
+				t.Errorf("got the same port %v, want a different port", tt.want)
 			}
 		})
-		c1.Close()
-		c2.Close()
+
 	}
 }

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
@@ -155,15 +161,12 @@ type Engine struct {
 
 	dnsServer dns.Server
 
-	mgmProbe    *Probe
-	signalProbe *Probe
-	relayProbe  *Probe
-	wgProbe     *Probe
-
-	wgConnWorker sync.WaitGroup
+	probes *ProbeHolder
 
 	// 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 +181,7 @@ func NewEngine(
 	clientCancel context.CancelFunc,
 	signalClient signal.Client,
 	mgmClient mgm.Client,
+	relayManager *relayClient.Manager,
 	config *EngineConfig,
 	mobileDep MobileDependency,
 	statusRecorder *peer.Status,
@@ -188,13 +192,11 @@ func NewEngine(
 		clientCancel,
 		signalClient,
 		mgmClient,
+		relayManager,
 		config,
 		mobileDep,
 		statusRecorder,
 		nil,
-		nil,
-		nil,
-		nil,
 		checks,
 	)
 }
@@ -205,21 +207,20 @@ func NewEngineWithProbes(
 	clientCancel context.CancelFunc,
 	signalClient signal.Client,
 	mgmClient mgm.Client,
+	relayManager *relayClient.Manager,
 	config *EngineConfig,
 	mobileDep MobileDependency,
 	statusRecorder *peer.Status,
-	mgmProbe *Probe,
-	signalProbe *Probe,
-	relayProbe *Probe,
-	wgProbe *Probe,
+	probes *ProbeHolder,
 	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,
@@ -229,22 +230,20 @@ func NewEngineWithProbes(
 		networkSerial:  0,
 		sshServerFunc:  nbssh.DefaultSSHServer,
 		statusRecorder: statusRecorder,
-		mgmProbe:       mgmProbe,
-		signalProbe:    signalProbe,
-		relayProbe:     relayProbe,
-		wgProbe:        wgProbe,
+		probes:         probes,
 		checks:         checks,
 	}
 }
 
 func (e *Engine) Stop() error {
+	if e == nil {
+		// this seems to be a very odd case but there was the possibility if the netbird down command comes before the engine is fully started
+		log.Debugf("tried stopping engine that is nil")
+		return nil
+	}
 	e.syncMsgMux.Lock()
 	defer e.syncMsgMux.Unlock()
 
-	if e.cancel != nil {
-		e.cancel()
-	}
-
 	// stopping network monitor first to avoid starting the engine again
 	if e.networkMonitor != nil {
 		e.networkMonitor.Stop()
@@ -253,36 +252,24 @@ func (e *Engine) Stop() error {
 
 	err := e.removeAllPeers()
 	if err != nil {
-		return err
+		return fmt.Errorf("failed to remove all peers: %s", err)
 	}
 
 	e.clientRoutesMu.Lock()
 	e.clientRoutes = nil
 	e.clientRoutesMu.Unlock()
 
+	if e.cancel != nil {
+		e.cancel()
+	}
+
 	// very ugly but we want to remove peers from the WireGuard interface first before removing interface.
 	// Removing peers happens in the conn.Close() asynchronously
 	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
@@ -331,7 +318,7 @@ func (e *Engine) Start() error {
 	}
 	e.dnsServer = dnsServer
 
-	e.routeManager = routemanager.NewManager(e.ctx, e.config.WgPrivateKey.PublicKey().String(), e.config.DNSRouteInterval, e.wgInterface, e.statusRecorder, initialRoutes)
+	e.routeManager = routemanager.NewManager(e.ctx, e.config.WgPrivateKey.PublicKey().String(), e.config.DNSRouteInterval, e.wgInterface, e.statusRecorder, e.relayManager, initialRoutes)
 	beforePeerHook, afterPeerHook, err := e.routeManager.Init()
 	if err != nil {
 		log.Errorf("Failed to initialize route manager: %s", err)
@@ -480,80 +467,45 @@ 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
+			return fmt.Errorf("update TURNs: %w", err)
 		}
 
-		err = e.updateSTUNs(update.GetWiretrusteeConfig().GetStuns())
+		err = e.updateSTUNs(wCfg.GetStuns())
 		if err != nil {
-			return err
+			return fmt.Errorf("update STUNs: %w", err)
 		}
 
+		var stunTurn []*stun.URI
+		stunTurn = append(stunTurn, e.STUNs...)
+		stunTurn = append(stunTurn, e.TURNs...)
+		e.stunTurn.Store(stunTurn)
+
+		relayMsg := wCfg.GetRelay()
+		if relayMsg != nil {
+			c := &auth.Token{
+				Payload:   relayMsg.GetTokenPayload(),
+				Signature: relayMsg.GetTokenSignature(),
+			}
+			if err := e.relayManager.UpdateToken(c); err != nil {
+				log.Errorf("failed to update relay token: %v", err)
+				return fmt.Errorf("update relay token: %w", err)
+			}
+		}
+
+		// todo update relay address in the relay manager
 		// todo update signal
 	}
 
@@ -949,68 +901,13 @@ 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 +940,29 @@ 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 +1005,7 @@ 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 +1028,7 @@ 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 +1037,7 @@ func (e *Engine) receiveSignalEvents() {
 					return err
 				}
 
-				conn.OnRemoteCandidate(candidate, e.GetClientRoutes())
+				go conn.OnRemoteCandidate(candidate, e.GetClientRoutes())
 			case sProto.Body_MODE:
 			}
 
@@ -1415,24 +1291,27 @@ func (e *Engine) getRosenpassAddr() string {
 }
 
 func (e *Engine) receiveProbeEvents() {
-	if e.signalProbe != nil {
-		go e.signalProbe.Receive(e.ctx, func() bool {
+	if e.probes == nil {
+		return
+	}
+	if e.probes.SignalProbe != nil {
+		go e.probes.SignalProbe.Receive(e.ctx, func() bool {
 			healthy := e.signal.IsHealthy()
 			log.Debugf("received signal probe request, healthy: %t", healthy)
 			return healthy
 		})
 	}
 
-	if e.mgmProbe != nil {
-		go e.mgmProbe.Receive(e.ctx, func() bool {
+	if e.probes.MgmProbe != nil {
+		go e.probes.MgmProbe.Receive(e.ctx, func() bool {
 			healthy := e.mgmClient.IsHealthy()
 			log.Debugf("received management probe request, healthy: %t", healthy)
 			return healthy
 		})
 	}
 
-	if e.relayProbe != nil {
-		go e.relayProbe.Receive(e.ctx, func() bool {
+	if e.probes.RelayProbe != nil {
+		go e.probes.RelayProbe.Receive(e.ctx, func() bool {
 			healthy := true
 
 			results := append(e.probeSTUNs(), e.probeTURNs()...)
@@ -1451,13 +1330,13 @@ func (e *Engine) receiveProbeEvents() {
 		})
 	}
 
-	if e.wgProbe != nil {
-		go e.wgProbe.Receive(e.ctx, func() bool {
+	if e.probes.WgProbe != nil {
+		go e.probes.WgProbe.Receive(e.ctx, func() bool {
 			log.Debug("received wg probe request")
 
 			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)
 				}
@@ -1548,20 +1427,3 @@ func isChecksEqual(checks []*mgmProto.Checks, oChecks []*mgmProto.Checks) bool {
 		return slices.Equal(checks.Files, oChecks.Files)
 	})
 }
-
-func (e *Engine) IsWGIfaceUp() bool {
-	if e == nil || e.wgInterface == nil {
-		return false
-	}
-	iface, err := net.InterfaceByName(e.wgInterface.Name())
-	if err != nil {
-		log.Debugf("failed to get interface by name %s: %v", e.wgInterface.Name(), err)
-		return false
-	}
-
-	if iface.Flags&net.FlagUp != 0 {
-		return true
-	}
-
-	return false
-}

client/internal/engine_test.go

@@ -13,6 +13,7 @@ import (
 	"testing"
 	"time"
 
+	"github.com/google/uuid"
 	"github.com/pion/transport/v3/stdnet"
 	log "github.com/sirupsen/logrus"
 	"github.com/stretchr/testify/assert"
@@ -36,6 +37,8 @@ import (
 	mgmtProto "github.com/netbirdio/netbird/management/proto"
 	"github.com/netbirdio/netbird/management/server"
 	"github.com/netbirdio/netbird/management/server/activity"
+	"github.com/netbirdio/netbird/management/server/telemetry"
+	relayClient "github.com/netbirdio/netbird/relay/client"
 	"github.com/netbirdio/netbird/route"
 	signal "github.com/netbirdio/netbird/signal/client"
 	"github.com/netbirdio/netbird/signal/proto"
@@ -57,6 +60,12 @@ 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" {
@@ -72,13 +81,23 @@ 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, nil, 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 },
@@ -207,21 +226,29 @@ 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)
+	relayMgr := relayClient.NewManager(ctx, nil, 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, 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)
-	}
-	engine.routeManager = routemanager.NewManager(ctx, key.PublicKey().String(), time.Minute, engine.wgInterface, engine.statusRecorder, nil)
+	engine.wgInterface = wgIface
+	engine.routeManager = routemanager.NewManager(ctx, key.PublicKey().String(), time.Minute, engine.wgInterface, engine.statusRecorder, relayMgr, nil)
 	engine.dnsServer = &dns.MockServer{
 		UpdateDNSServerFunc: func(serial uint64, update nbdns.Config) error { return nil },
 	}
@@ -403,8 +430,8 @@ func TestEngine_Sync(t *testing.T) {
 		}
 		return nil
 	}
-
-	engine := NewEngine(ctx, cancel, &signal.MockClient{}, &mgmt.MockClient{SyncFunc: syncFunc}, &EngineConfig{
+	relayMgr := relayClient.NewManager(ctx, nil, 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,
@@ -563,7 +590,8 @@ 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, nil, key.PublicKey().String())
+			engine := NewEngine(ctx, cancel, &signal.MockClient{}, &mgmt.MockClient{}, relayMgr, &EngineConfig{
 				WgIfaceName:  wgIfaceName,
 				WgAddr:       wgAddr,
 				WgPrivateKey: key,
@@ -733,7 +761,8 @@ 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, nil, key.PublicKey().String())
+			engine := NewEngine(ctx, cancel, &signal.MockClient{}, &mgmt.MockClient{}, relayMgr, &EngineConfig{
 				WgIfaceName:  wgIfaceName,
 				WgAddr:       wgAddr,
 				WgPrivateKey: key,
@@ -844,6 +873,8 @@ func TestEngine_MultiplePeers(t *testing.T) {
 			engine.dnsServer = &dns.MockServer{}
 			mu.Lock()
 			defer mu.Unlock()
+			guid := fmt.Sprintf("{%s}", uuid.New().String())
+			iface.CustomWindowsGUIDString = strings.ToLower(guid)
 			err = engine.Start()
 			if err != nil {
 				t.Errorf("unable to start engine for peer %d with error %v", j, err)
@@ -1009,7 +1040,8 @@ 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, nil, 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
 }
@@ -1043,6 +1075,11 @@ func startManagement(t *testing.T, dataDir string) (*grpc.Server, string, error)
 	config := &server.Config{
 		Stuns:      []*server.Host{},
 		TURNConfig: &server.TURNConfig{},
+		Relay: &server.Relay{
+			Addresses:      []string{"127.0.0.1:1234"},
+			CredentialsTTL: util.Duration{Duration: time.Hour},
+			Secret:         "222222222222222222",
+		},
 		Signal: &server.Host{
 			Proto: "http",
 			URI:   "localhost:10000",
@@ -1069,12 +1106,17 @@ func startManagement(t *testing.T, dataDir string) (*grpc.Server, string, error)
 		return nil, "", err
 	}
 	ia, _ := integrations.NewIntegratedValidator(context.Background(), eventStore)
-	accountManager, err := server.BuildManager(context.Background(), store, peersUpdateManager, nil, "", "netbird.selfhosted", eventStore, nil, false, ia)
+
+	metrics, err := telemetry.NewDefaultAppMetrics(context.Background())
+	require.NoError(t, err)
+
+	accountManager, err := server.BuildManager(context.Background(), store, peersUpdateManager, nil, "", "netbird.selfhosted", eventStore, nil, false, ia, metrics)
 	if err != nil {
 		return nil, "", err
 	}
-	turnManager := server.NewTimeBasedAuthSecretsManager(peersUpdateManager, config.TURNConfig)
-	mgmtServer, err := server.NewServer(context.Background(), config, accountManager, peersUpdateManager, turnManager, nil, nil)
+
+	secretsManager := server.NewTimeBasedAuthSecretsManager(peersUpdateManager, config.TURNConfig, config.Relay)
+	mgmtServer, err := server.NewServer(context.Background(), config, accountManager, peersUpdateManager, secretsManager, nil, nil)
 	if err != nil {
 		return nil, "", err
 	}

client/internal/networkmonitor/monitor_bsd.go

@@ -65,7 +65,7 @@ func checkChange(ctx context.Context, nexthopv4, nexthopv6 systemops.Nexthop, ca
 					continue
 				}
 
-				if !route.Dst.Addr().IsUnspecified() {
+				if route.Dst.Bits() != 0 {
 					continue
 				}
 

client/internal/networkmonitor/monitor_generic.go

@@ -59,7 +59,7 @@ func (nw *NetworkMonitor) Start(ctx context.Context, callback func()) (err error
 	// recover in case sys ops panic
 	defer func() {
 		if r := recover(); r != nil {
-			err = fmt.Errorf("panic occurred: %v, stack trace: %s", r, string(debug.Stack()))
+			err = fmt.Errorf("panic occurred: %v, stack trace: %s", r, debug.Stack())
 		}
 	}()
 

client/internal/networkmonitor/monitor_windows.go

@@ -3,252 +3,73 @@ package networkmonitor
 import (
 	"context"
 	"fmt"
-	"net"
-	"net/netip"
 	"strings"
-	"time"
 
 	log "github.com/sirupsen/logrus"
 
 	"github.com/netbirdio/netbird/client/internal/routemanager/systemops"
 )
 
-const (
-	unreachable = 0
-	incomplete  = 1
-	probe       = 2
-	delay       = 3
-	stale       = 4
-	reachable   = 5
-	permanent   = 6
-	tbd         = 7
-)
-
-const interval = 10 * time.Second
-
 func checkChange(ctx context.Context, nexthopv4, nexthopv6 systemops.Nexthop, callback func()) error {
-	var neighborv4, neighborv6 *systemops.Neighbor
-	{
-		initialNeighbors, err := getNeighbors()
-		if err != nil {
-			return fmt.Errorf("get neighbors: %w", err)
-		}
-
-		neighborv4 = assignNeighbor(nexthopv4, initialNeighbors)
-		neighborv6 = assignNeighbor(nexthopv6, initialNeighbors)
+	routeMonitor, err := systemops.NewRouteMonitor(ctx)
+	if err != nil {
+		return fmt.Errorf("failed to create route monitor: %w", err)
 	}
-	log.Debugf("Network monitor: initial IPv4 neighbor: %v, IPv6 neighbor: %v", neighborv4, neighborv6)
-
-	ticker := time.NewTicker(interval)
-	defer ticker.Stop()
+	defer func() {
+		if err := routeMonitor.Stop(); err != nil {
+			log.Errorf("Network monitor: failed to stop route monitor: %v", err)
+		}
+	}()
 
 	for {
 		select {
 		case <-ctx.Done():
 			return ErrStopped
-		case <-ticker.C:
-			if changed(nexthopv4, neighborv4, nexthopv6, neighborv6) {
-				go callback()
-				return nil
+		case route := <-routeMonitor.RouteUpdates():
+			if route.Destination.Bits() != 0 {
+				continue
+			}
+
+			if routeChanged(route, nexthopv4, nexthopv6, callback) {
+				break
 			}
 		}
 	}
 }
 
-func assignNeighbor(nexthop systemops.Nexthop, initialNeighbors map[netip.Addr]systemops.Neighbor) *systemops.Neighbor {
-	if n, ok := initialNeighbors[nexthop.IP]; ok &&
-		n.State != unreachable &&
-		n.State != incomplete &&
-		n.State != tbd {
-		return &n
-	}
-	return nil
-}
-
-func changed(
-	nexthopv4 systemops.Nexthop,
-	neighborv4 *systemops.Neighbor,
-	nexthopv6 systemops.Nexthop,
-	neighborv6 *systemops.Neighbor,
-) bool {
-	neighbors, err := getNeighbors()
-	if err != nil {
-		log.Errorf("network monitor: error fetching current neighbors: %v", err)
-		return false
-	}
-	if neighborChanged(nexthopv4, neighborv4, neighbors) || neighborChanged(nexthopv6, neighborv6, neighbors) {
-		return true
-	}
-
-	routes, err := getRoutes()
-	if err != nil {
-		log.Errorf("network monitor: error fetching current routes: %v", err)
-		return false
-	}
-
-	if routeChanged(nexthopv4, nexthopv4.Intf, routes) || routeChanged(nexthopv6, nexthopv6.Intf, routes) {
-		return true
-	}
-
-	return false
-}
-
-// routeChanged checks if the default routes still point to our nexthop/interface
-func routeChanged(nexthop systemops.Nexthop, intf *net.Interface, routes []systemops.Route) bool {
-	if !nexthop.IP.IsValid() {
-		return false
-	}
-
-	if isSoftInterface(nexthop.Intf.Name) {
-		log.Tracef("network monitor: ignoring default route change for soft interface %s", nexthop.Intf.Name)
-		return false
-	}
-
-	unspec := getUnspecifiedPrefix(nexthop.IP)
-	defaultRoutes, foundMatchingRoute := processRoutes(nexthop, intf, routes, unspec)
-
-	log.Tracef("network monitor: all default routes:\n%s", strings.Join(defaultRoutes, "\n"))
-
-	if !foundMatchingRoute {
-		logRouteChange(nexthop.IP, intf)
-		return true
-	}
-
-	return false
-}
-
-func getUnspecifiedPrefix(ip netip.Addr) netip.Prefix {
-	if ip.Is6() {
-		return netip.PrefixFrom(netip.IPv6Unspecified(), 0)
-	}
-	return netip.PrefixFrom(netip.IPv4Unspecified(), 0)
-}
-
-func processRoutes(nexthop systemops.Nexthop, nexthopIntf *net.Interface, routes []systemops.Route, unspec netip.Prefix) ([]string, bool) {
-	var defaultRoutes []string
-	foundMatchingRoute := false
-
-	for _, r := range routes {
-		if r.Destination == unspec {
-			routeInfo := formatRouteInfo(r)
-			defaultRoutes = append(defaultRoutes, routeInfo)
-
-			if r.Nexthop == nexthop.IP && compareIntf(r.Interface, nexthopIntf) == 0 {
-				foundMatchingRoute = true
-				log.Debugf("network monitor: found matching default route: %s", routeInfo)
-			}
+func routeChanged(route systemops.RouteUpdate, nexthopv4, nexthopv6 systemops.Nexthop, callback func()) bool {
+	intf := "<nil>"
+	if route.Interface != nil {
+		intf = route.Interface.Name
+		if isSoftInterface(intf) {
+			log.Debugf("Network monitor: ignoring default route change for soft interface %s", intf)
+			return false
 		}
 	}
 
-	return defaultRoutes, foundMatchingRoute
-}
-
-func formatRouteInfo(r systemops.Route) string {
-	newIntf := "<nil>"
-	if r.Interface != nil {
-		newIntf = r.Interface.Name
-	}
-	return fmt.Sprintf("Nexthop: %s, Interface: %s", r.Nexthop, newIntf)
-}
-
-func logRouteChange(ip netip.Addr, intf *net.Interface) {
-	oldIntf := "<nil>"
-	if intf != nil {
-		oldIntf = intf.Name
-	}
-	log.Infof("network monitor: default route for %s (%s) is gone or changed", ip, oldIntf)
-}
-
-func neighborChanged(nexthop systemops.Nexthop, neighbor *systemops.Neighbor, neighbors map[netip.Addr]systemops.Neighbor) bool {
-	if neighbor == nil {
-		return false
-	}
-
-	// TODO: consider non-local nexthops, e.g. on point-to-point interfaces
-	if n, ok := neighbors[nexthop.IP]; ok {
-		if n.State == unreachable || n.State == incomplete {
-			log.Infof("network monitor: neighbor %s (%s) is not reachable: %s", neighbor.IPAddress, neighbor.LinkLayerAddress, stateFromInt(n.State))
-			return true
-		} else if n.InterfaceIndex != neighbor.InterfaceIndex {
-			log.Infof(
-				"network monitor: neighbor %s (%s) changed interface from '%s' (%d) to '%s' (%d): %s",
-				neighbor.IPAddress,
-				neighbor.LinkLayerAddress,
-				neighbor.InterfaceAlias,
-				neighbor.InterfaceIndex,
-				n.InterfaceAlias,
-				n.InterfaceIndex,
-				stateFromInt(n.State),
-			)
+	switch route.Type {
+	case systemops.RouteModified:
+		// TODO: get routing table to figure out if our route is affected for modified routes
+		log.Infof("Network monitor: default route changed: via %s, interface %s", route.NextHop, intf)
+		go callback()
+		return true
+	case systemops.RouteAdded:
+		if route.NextHop.Is4() && route.NextHop != nexthopv4.IP || route.NextHop.Is6() && route.NextHop != nexthopv6.IP {
+			log.Infof("Network monitor: default route added: via %s, interface %s", route.NextHop, intf)
+			go callback()
+			return true
+		}
+	case systemops.RouteDeleted:
+		if nexthopv4.Intf != nil && route.NextHop == nexthopv4.IP || nexthopv6.Intf != nil && route.NextHop == nexthopv6.IP {
+			log.Infof("Network monitor: default route removed: via %s, interface %s", route.NextHop, intf)
+			go callback()
 			return true
 		}
-	} else {
-		log.Infof("network monitor: neighbor %s (%s) is gone", neighbor.IPAddress, neighbor.LinkLayerAddress)
-		return true
 	}
 
 	return false
 }
 
-func getNeighbors() (map[netip.Addr]systemops.Neighbor, error) {
-	entries, err := systemops.GetNeighbors()
-	if err != nil {
-		return nil, fmt.Errorf("get neighbors: %w", err)
-	}
-
-	neighbours := make(map[netip.Addr]systemops.Neighbor, len(entries))
-	for _, entry := range entries {
-		neighbours[entry.IPAddress] = entry
-	}
-
-	return neighbours, nil
-}
-
-func getRoutes() ([]systemops.Route, error) {
-	entries, err := systemops.GetRoutes()
-	if err != nil {
-		return nil, fmt.Errorf("get routes: %w", err)
-	}
-
-	return entries, nil
-}
-
-func stateFromInt(state uint8) string {
-	switch state {
-	case unreachable:
-		return "unreachable"
-	case incomplete:
-		return "incomplete"
-	case probe:
-		return "probe"
-	case delay:
-		return "delay"
-	case stale:
-		return "stale"
-	case reachable:
-		return "reachable"
-	case permanent:
-		return "permanent"
-	case tbd:
-		return "tbd"
-	default:
-		return "unknown"
-	}
-}
-
-func compareIntf(a, b *net.Interface) int {
-	switch {
-	case a == nil && b == nil:
-		return 0
-	case a == nil:
-		return -1
-	case b == nil:
-		return 1
-	default:
-		return a.Index - b.Index
-	}
-}
-
 func isSoftInterface(name string) bool {
 	return strings.Contains(strings.ToLower(name), "isatap") || strings.Contains(strings.ToLower(name), "teredo")
 }

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 +1,192 @@
+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 {
+			var connectionClosedError *ConnectionClosedError
+			if errors.As(err, &connectionClosedError) {
+				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

@@ -3,6 +3,7 @@ package peer
 import (
 	"errors"
 	"net/netip"
+	"slices"
 	"sync"
 	"time"
 
@@ -13,6 +14,7 @@ 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 +26,11 @@ 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 +144,8 @@ 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 +160,12 @@ 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 +241,17 @@ 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 +271,146 @@ 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 +430,13 @@ 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
@@ -502,8 +652,35 @@ func (d *Status) GetSignalState() SignalState {
 	}
 }
 
+// GetRelayStates returns the stun/turn/permanent relay states
 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
+	relayStates := slices.Clone(d.relayStates)
+
+	var 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 {
+		// TODO add their status
+		if errors.Is(err, relayClient.ErrRelayClientNotConnected) {
+			for _, r := range d.relayMgr.ServerURLs() {
+				relayStates = append(relayStates, relay.ProbeResult{
+					URI: r,
+				})
+			}
+			return relayStates
+		}
+		relayState.Err = err
+	}
+
+	relayState.URI = instanceAddr
+	return append(relayStates, relayState)
 }
 
 func (d *Status) GetDNSStates() []NSGroupState {
@@ -535,7 +712,6 @@ 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 +1,470 @@
+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) Close() {
+	w.muxAgent.Lock()
+	defer w.muxAgent.Unlock()
+
+	if w.agent == nil {
+		return
+	}
+
+	err := w.agent.Close()
+	if err != nil {
+		w.log.Warnf("failed to close ICE agent: %s", err)
+	}
+}
+
+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 +1,223 @@
+package peer
+
+import (
+	"context"
+	"errors"
+	"net"
+	"sync"
+	"sync/atomic"
+	"time"
+
+	log "github.com/sirupsen/logrus"
+
+	relayClient "github.com/netbirdio/netbird/relay/client"
+)
+
+var (
+	wgHandshakePeriod   = 2 * time.Minute
+	wgHandshakeOvertime = 30 * time.Second
+)
+
+type RelayConnInfo struct {
+	relayedConn     net.Conn
+	rosenpassPubKey []byte
+	rosenpassAddr   string
+}
+
+type WorkerRelayCallbacks struct {
+	OnConnReady    func(RelayConnInfo)
+	OnDisconnected func()
+}
+
+type WorkerRelay struct {
+	log          *log.Entry
+	config       ConnConfig
+	relayManager relayClient.ManagerService
+	callBacks    WorkerRelayCallbacks
+
+	relayedConn      net.Conn
+	relayLock        sync.Mutex
+	ctxWgWatch       context.Context
+	ctxCancelWgWatch context.CancelFunc
+	ctxLock          sync.Mutex
+
+	relaySupportedOnRemotePeer atomic.Bool
+}
+
+func NewWorkerRelay(log *log.Entry, config ConnConfig, relayManager relayClient.ManagerService, callbacks WorkerRelayCallbacks) *WorkerRelay {
+	r := &WorkerRelay{
+		log:          log,
+		config:       config,
+		relayManager: relayManager,
+		callBacks:    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 {
+		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
+	}
+	w.relayLock.Lock()
+	w.relayedConn = relayedConn
+	w.relayLock.Unlock()
+
+	err = w.relayManager.AddCloseListener(srv, w.onRelayMGDisconnected)
+	if err != nil {
+		log.Errorf("failed to add close listener: %s", err)
+		_ = relayedConn.Close()
+		return
+	}
+
+	w.log.Debugf("peer conn opened via Relay: %s", srv)
+	go w.callBacks.OnConnReady(RelayConnInfo{
+		relayedConn:     relayedConn,
+		rosenpassPubKey: remoteOfferAnswer.RosenpassPubKey,
+		rosenpassAddr:   remoteOfferAnswer.RosenpassAddr,
+	})
+}
+
+func (w *WorkerRelay) EnableWgWatcher(ctx context.Context) {
+	w.log.Debugf("enable WireGuard watcher")
+	w.ctxLock.Lock()
+	defer w.ctxLock.Unlock()
+
+	if w.ctxWgWatch != nil && w.ctxWgWatch.Err() == nil {
+		return
+	}
+
+	ctx, ctxCancel := context.WithCancel(ctx)
+	go w.wgStateCheck(ctx)
+	w.ctxWgWatch = ctx
+	w.ctxCancelWgWatch = ctxCancel
+
+}
+
+func (w *WorkerRelay) DisableWgWatcher() {
+	w.ctxLock.Lock()
+	defer w.ctxLock.Unlock()
+
+	if w.ctxCancelWgWatch == nil {
+		return
+	}
+
+	w.log.Debugf("disable WireGuard watcher")
+
+	w.ctxCancelWgWatch()
+}
+
+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()
+}
+
+func (w *WorkerRelay) CloseConn() {
+	w.relayLock.Lock()
+	defer w.relayLock.Unlock()
+	if w.relayedConn == nil {
+		return
+	}
+
+	err := w.relayedConn.Close()
+	if err != nil {
+		w.log.Warnf("failed to close relay connection: %v", err)
+	}
+}
+
+// wgStateCheck help to check the state of the wireguard handshake and relay connection
+func (w *WorkerRelay) wgStateCheck(ctx context.Context) {
+	timer := time.NewTimer(wgHandshakeOvertime)
+	defer timer.Stop()
+	expected := wgHandshakeOvertime
+	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) > expected {
+				w.log.Infof("Wireguard handshake timed out, closing relay connection")
+				w.relayLock.Lock()
+				_ = w.relayedConn.Close()
+				w.relayLock.Unlock()
+				w.callBacks.OnDisconnected()
+				return
+			}
+			resetTime := time.Until(lastHandshake.Add(wgHandshakePeriod + wgHandshakeOvertime))
+			timer.Reset(resetTime)
+			expected = wgHandshakePeriod
+		case <-ctx.Done():
+			w.log.Debugf("WireGuard watcher stopped")
+			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) onRelayMGDisconnected() {
+	w.ctxLock.Lock()
+	defer w.ctxLock.Unlock()
+
+	if w.ctxCancelWgWatch != nil {
+		w.ctxCancelWgWatch()
+	}
+	go w.callBacks.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/probe.go

@@ -2,6 +2,13 @@ package internal
 
 import "context"
 
+type ProbeHolder struct {
+	MgmProbe    *Probe
+	SignalProbe *Probe
+	RelayProbe  *Probe
+	WgProbe     *Probe
+}
+
 // Probe allows to run on-demand callbacks from different code locations.
 // Pass the probe to a receiving and a sending end. The receiving end starts listening
 // to requests with Receive and executes a callback when the sending end requests it

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,
 		}
 	}
@@ -97,8 +95,8 @@ func (c *clientNetwork) getRouterPeerStatuses() map[route.ID]routerPeerStatus {
 // * Connected peers: Only routes with connected peers are considered.
 // * Metric: Routes with lower metrics (better) are prioritized.
 // * Non-relayed: Routes without relays are preferred.
-// * Direct connections: Routes with direct peer connections are favored.
 // * Latency: Routes with lower latency are prioritized.
+// * we compare the current score + 10ms to the chosen score to avoid flapping between routes
 // * Stability: In case of equal scores, the currently active route (if any) is maintained.
 //
 // It returns the ID of the selected optimal route.
@@ -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

@@ -22,6 +22,7 @@ import (
 	"github.com/netbirdio/netbird/client/internal/routemanager/vars"
 	"github.com/netbirdio/netbird/client/internal/routeselector"
 	"github.com/netbirdio/netbird/iface"
+	relayClient "github.com/netbirdio/netbird/relay/client"
 	"github.com/netbirdio/netbird/route"
 	nbnet "github.com/netbirdio/netbird/util/net"
 	"github.com/netbirdio/netbird/version"
@@ -49,7 +50,8 @@ type DefaultManager struct {
 	serverRouter         serverRouter
 	sysOps               *systemops.SysOps
 	statusRecorder       *peer.Status
-	wgInterface          *iface.WGIface
+	relayMgr             *relayClient.Manager
+	wgInterface          iface.IWGIface
 	pubKey               string
 	notifier             *notifier.Notifier
 	routeRefCounter      *refcounter.RouteRefCounter
@@ -61,8 +63,9 @@ func NewManager(
 	ctx context.Context,
 	pubKey string,
 	dnsRouteInterval time.Duration,
-	wgInterface *iface.WGIface,
+	wgInterface iface.IWGIface,
 	statusRecorder *peer.Status,
+	relayMgr *relayClient.Manager,
 	initialRoutes []*route.Route,
 ) *DefaultManager {
 	mCTX, cancel := context.WithCancel(ctx)
@@ -74,6 +77,7 @@ func NewManager(
 		stop:             cancel,
 		dnsRouteInterval: dnsRouteInterval,
 		clientNetworks:   make(map[route.HAUniqueID]*clientNetwork),
+		relayMgr:         relayMgr,
 		routeSelector:    routeselector.NewRouteSelector(),
 		sysOps:           sysOps,
 		statusRecorder:   statusRecorder,
@@ -124,9 +128,12 @@ func (m *DefaultManager) Init() (nbnet.AddHookFunc, nbnet.RemoveHookFunc, error)
 		log.Warnf("Failed cleaning up routing: %v", err)
 	}
 
-	mgmtAddress := m.statusRecorder.GetManagementState().URL
-	signalAddress := m.statusRecorder.GetSignalState().URL
-	ips := resolveURLsToIPs([]string{mgmtAddress, signalAddress})
+	initialAddresses := []string{m.statusRecorder.GetManagementState().URL, m.statusRecorder.GetSignalState().URL}
+	if m.relayMgr != nil {
+		initialAddresses = append(initialAddresses, m.relayMgr.ServerURLs()...)
+	}
+
+	ips := resolveURLsToIPs(initialAddresses)
 
 	beforePeerHook, afterPeerHook, err := m.sysOps.SetupRouting(ips)
 	if err != nil {

client/internal/routemanager/manager_test.go

@@ -416,7 +416,7 @@ func TestManagerUpdateRoutes(t *testing.T) {
 
 			statusRecorder := peer.NewRecorder("https://mgm")
 			ctx := context.TODO()
-			routeManager := NewManager(ctx, localPeerKey, 0, wgInterface, statusRecorder, nil)
+			routeManager := NewManager(ctx, localPeerKey, 0, wgInterface, statusRecorder, nil, nil)
 
 			_, _, err = routeManager.Init()
 

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/routemanager/systemops/systemops_windows.go

@@ -3,6 +3,8 @@
 package systemops
 
 import (
+	"context"
+	"encoding/binary"
 	"fmt"
 	"net"
 	"net/netip"
@@ -11,15 +13,43 @@ import (
 	"strconv"
 	"strings"
 	"sync"
+	"syscall"
 	"time"
+	"unsafe"
 
 	log "github.com/sirupsen/logrus"
 	"github.com/yusufpapurcu/wmi"
+	"golang.org/x/sys/windows"
 
 	"github.com/netbirdio/netbird/client/firewall/uspfilter"
 	nbnet "github.com/netbirdio/netbird/util/net"
 )
 
+type RouteUpdateType int
+
+// RouteUpdate represents a change in the routing table.
+// The interface field contains the index only.
+type RouteUpdate struct {
+	Type        RouteUpdateType
+	Destination netip.Prefix
+	NextHop     netip.Addr
+	Interface   *net.Interface
+}
+
+// RouteMonitor provides a way to monitor changes in the routing table.
+type RouteMonitor struct {
+	updates chan RouteUpdate
+	handle  windows.Handle
+	done    chan struct{}
+}
+
+// Route represents a single routing table entry.
+type Route struct {
+	Destination netip.Prefix
+	Nexthop     netip.Addr
+	Interface   *net.Interface
+}
+
 type MSFT_NetRoute struct {
 	DestinationPrefix string
 	NextHop           string
@@ -28,33 +58,77 @@ type MSFT_NetRoute struct {
 	AddressFamily     uint16
 }
 
-type Route struct {
-	Destination netip.Prefix
-	Nexthop     netip.Addr
-	Interface   *net.Interface
+// MIB_IPFORWARD_ROW2 is defined in https://learn.microsoft.com/en-us/windows/win32/api/netioapi/ns-netioapi-mib_ipforward_row2
+type MIB_IPFORWARD_ROW2 struct {
+	InterfaceLuid        uint64
+	InterfaceIndex       uint32
+	DestinationPrefix    IP_ADDRESS_PREFIX
+	NextHop              SOCKADDR_INET_NEXTHOP
+	SitePrefixLength     uint8
+	ValidLifetime        uint32
+	PreferredLifetime    uint32
+	Metric               uint32
+	Protocol             uint32
+	Loopback             uint8
+	AutoconfigureAddress uint8
+	Publish              uint8
+	Immortal             uint8
+	Age                  uint32
+	Origin               uint32
 }
 
-type MSFT_NetNeighbor struct {
-	IPAddress        string
-	LinkLayerAddress string
-	State            uint8
-	AddressFamily    uint16
-	InterfaceIndex   uint32
-	InterfaceAlias   string
+// IP_ADDRESS_PREFIX is defined in https://learn.microsoft.com/en-us/windows/win32/api/netioapi/ns-netioapi-ip_address_prefix
+type IP_ADDRESS_PREFIX struct {
+	Prefix       SOCKADDR_INET
+	PrefixLength uint8
 }
 
-type Neighbor struct {
-	IPAddress        netip.Addr
-	LinkLayerAddress string
-	State            uint8
-	AddressFamily    uint16
-	InterfaceIndex   uint32
-	InterfaceAlias   string
+// SOCKADDR_INET is defined in https://learn.microsoft.com/en-us/windows/win32/api/ws2ipdef/ns-ws2ipdef-sockaddr_inet
+// It represents the union of IPv4 and IPv6 socket addresses
+type SOCKADDR_INET struct {
+	sin6_family int16
+	// nolint:unused
+	sin6_port uint16
+	// 4 bytes ipv4 or 4 bytes flowinfo + 16 bytes ipv6 + 4 bytes scope_id
+	data [24]byte
 }
 
-var prefixList []netip.Prefix
-var lastUpdate time.Time
-var mux = sync.Mutex{}
+// SOCKADDR_INET_NEXTHOP is the same as SOCKADDR_INET but offset by 2 bytes
+type SOCKADDR_INET_NEXTHOP struct {
+	// nolint:unused
+	pad         [2]byte
+	sin6_family int16
+	// nolint:unused
+	sin6_port uint16
+	// 4 bytes ipv4 or 4 bytes flowinfo + 16 bytes ipv6 + 4 bytes scope_id
+	data [24]byte
+}
+
+// MIB_NOTIFICATION_TYPE is defined in https://learn.microsoft.com/en-us/windows/win32/api/netioapi/ne-netioapi-mib_notification_type
+type MIB_NOTIFICATION_TYPE int32
+
+var (
+	modiphlpapi                = windows.NewLazyDLL("iphlpapi.dll")
+	procNotifyRouteChange2     = modiphlpapi.NewProc("NotifyRouteChange2")
+	procCancelMibChangeNotify2 = modiphlpapi.NewProc("CancelMibChangeNotify2")
+
+	prefixList []netip.Prefix
+	lastUpdate time.Time
+	mux        sync.Mutex
+)
+
+const (
+	MibParemeterModification MIB_NOTIFICATION_TYPE = iota
+	MibAddInstance
+	MibDeleteInstance
+	MibInitialNotification
+)
+
+const (
+	RouteModified RouteUpdateType = iota
+	RouteAdded
+	RouteDeleted
+)
 
 func (r *SysOps) SetupRouting(initAddresses []net.IP) (nbnet.AddHookFunc, nbnet.RemoveHookFunc, error) {
 	return r.setupRefCounter(initAddresses)
@@ -94,6 +168,155 @@ func (r *SysOps) removeFromRouteTable(prefix netip.Prefix, nexthop Nexthop) erro
 	return nil
 }
 
+// NewRouteMonitor creates and starts a new RouteMonitor.
+// It returns a pointer to the RouteMonitor and an error if the monitor couldn't be started.
+func NewRouteMonitor(ctx context.Context) (*RouteMonitor, error) {
+	rm := &RouteMonitor{
+		updates: make(chan RouteUpdate, 5),
+		done:    make(chan struct{}),
+	}
+
+	if err := rm.start(ctx); err != nil {
+		return nil, err
+	}
+
+	return rm, nil
+}
+
+func (rm *RouteMonitor) start(ctx context.Context) error {
+	if ctx.Err() != nil {
+		return ctx.Err()
+	}
+
+	callbackPtr := windows.NewCallback(func(callerContext uintptr, row *MIB_IPFORWARD_ROW2, notificationType MIB_NOTIFICATION_TYPE) uintptr {
+		if ctx.Err() != nil {
+			return 0
+		}
+
+		update, err := rm.parseUpdate(row, notificationType)
+		if err != nil {
+			log.Errorf("Failed to parse route update: %v", err)
+			return 0
+		}
+
+		select {
+		case <-rm.done:
+			return 0
+		case rm.updates <- update:
+		default:
+			log.Warn("Route update channel is full, dropping update")
+		}
+		return 0
+	})
+
+	var handle windows.Handle
+	if err := notifyRouteChange2(windows.AF_UNSPEC, callbackPtr, 0, false, &handle); err != nil {
+		return fmt.Errorf("NotifyRouteChange2 failed: %w", err)
+	}
+
+	rm.handle = handle
+
+	return nil
+}
+
+func (rm *RouteMonitor) parseUpdate(row *MIB_IPFORWARD_ROW2, notificationType MIB_NOTIFICATION_TYPE) (RouteUpdate, error) {
+	// destination prefix, next hop, interface index, interface luid are guaranteed to be there
+	// GetIpForwardEntry2 is not needed
+
+	var update RouteUpdate
+
+	idx := int(row.InterfaceIndex)
+	if idx != 0 {
+		intf, err := net.InterfaceByIndex(idx)
+		if err != nil {
+			return update, fmt.Errorf("get interface name: %w", err)
+		}
+
+		update.Interface = intf
+	}
+
+	log.Tracef("Received route update with destination %v, next hop %v, interface %v", row.DestinationPrefix, row.NextHop, update.Interface)
+	dest := parseIPPrefix(row.DestinationPrefix, idx)
+	if !dest.Addr().IsValid() {
+		return RouteUpdate{}, fmt.Errorf("invalid destination: %v", row)
+	}
+
+	nexthop := parseIPNexthop(row.NextHop, idx)
+	if !nexthop.IsValid() {
+		return RouteUpdate{}, fmt.Errorf("invalid next hop %v", row)
+	}
+
+	updateType := RouteModified
+	switch notificationType {
+	case MibParemeterModification:
+		updateType = RouteModified
+	case MibAddInstance:
+		updateType = RouteAdded
+	case MibDeleteInstance:
+		updateType = RouteDeleted
+	}
+
+	update.Type = updateType
+	update.Destination = dest
+	update.NextHop = nexthop
+
+	return update, nil
+}
+
+// Stop stops the RouteMonitor.
+func (rm *RouteMonitor) Stop() error {
+	if rm.handle != 0 {
+		if err := cancelMibChangeNotify2(rm.handle); err != nil {
+			return fmt.Errorf("CancelMibChangeNotify2 failed: %w", err)
+		}
+		rm.handle = 0
+	}
+	close(rm.done)
+	close(rm.updates)
+	return nil
+}
+
+// RouteUpdates returns a channel that receives RouteUpdate messages.
+func (rm *RouteMonitor) RouteUpdates() <-chan RouteUpdate {
+	return rm.updates
+}
+
+func notifyRouteChange2(family uint32, callback uintptr, callerContext uintptr, initialNotification bool, handle *windows.Handle) error {
+	var initNotif uint32
+	if initialNotification {
+		initNotif = 1
+	}
+
+	r1, _, e1 := syscall.SyscallN(
+		procNotifyRouteChange2.Addr(),
+		uintptr(family),
+		callback,
+		callerContext,
+		uintptr(initNotif),
+		uintptr(unsafe.Pointer(handle)),
+	)
+	if r1 != 0 {
+		if e1 != 0 {
+			return e1
+		}
+		return syscall.EINVAL
+	}
+	return nil
+}
+
+func cancelMibChangeNotify2(handle windows.Handle) error {
+	r1, _, e1 := syscall.SyscallN(procCancelMibChangeNotify2.Addr(), uintptr(handle))
+	if r1 != 0 {
+		if e1 != 0 {
+			return e1
+		}
+		return syscall.EINVAL
+	}
+	return nil
+}
+
+// GetRoutesFromTable returns the current routing table from with prefixes only.
+// It ccaches the result for 2 seconds to avoid blocking the caller.
 func GetRoutesFromTable() ([]netip.Prefix, error) {
 	mux.Lock()
 	defer mux.Unlock()
@@ -117,6 +340,7 @@ func GetRoutesFromTable() ([]netip.Prefix, error) {
 	return prefixList, nil
 }
 
+// GetRoutes retrieves the current routing table using WMI.
 func GetRoutes() ([]Route, error) {
 	var entries []MSFT_NetRoute
 
@@ -146,8 +370,8 @@ func GetRoutes() ([]Route, error) {
 				Name:  entry.InterfaceAlias,
 			}
 
-			if nexthop.Is6() && (nexthop.IsLinkLocalUnicast() || nexthop.IsLinkLocalMulticast()) {
-				nexthop = nexthop.WithZone(strconv.Itoa(int(entry.InterfaceIndex)))
+			if nexthop.Is6() {
+				nexthop = addZone(nexthop, int(entry.InterfaceIndex))
 			}
 		}
 
@@ -161,33 +385,6 @@ func GetRoutes() ([]Route, error) {
 	return routes, nil
 }
 
-func GetNeighbors() ([]Neighbor, error) {
-	var entries []MSFT_NetNeighbor
-	query := `SELECT IPAddress, LinkLayerAddress, State, AddressFamily, InterfaceIndex, InterfaceAlias FROM MSFT_NetNeighbor`
-	if err := wmi.QueryNamespace(query, &entries, `ROOT\StandardCimv2`); err != nil {
-		return nil, fmt.Errorf("failed to query MSFT_NetNeighbor: %w", err)
-	}
-
-	var neighbors []Neighbor
-	for _, entry := range entries {
-		addr, err := netip.ParseAddr(entry.IPAddress)
-		if err != nil {
-			log.Warnf("Unable to parse neighbor IP address %s: %v", entry.IPAddress, err)
-			continue
-		}
-		neighbors = append(neighbors, Neighbor{
-			IPAddress:        addr,
-			LinkLayerAddress: entry.LinkLayerAddress,
-			State:            entry.State,
-			AddressFamily:    entry.AddressFamily,
-			InterfaceIndex:   entry.InterfaceIndex,
-			InterfaceAlias:   entry.InterfaceAlias,
-		})
-	}
-
-	return neighbors, nil
-}
-
 func addRouteCmd(prefix netip.Prefix, nexthop Nexthop) error {
 	args := []string{"add", prefix.String()}
 
@@ -220,3 +417,54 @@ func addRouteCmd(prefix netip.Prefix, nexthop Nexthop) error {
 func isCacheDisabled() bool {
 	return os.Getenv("NB_DISABLE_ROUTE_CACHE") == "true"
 }
+
+func parseIPPrefix(prefix IP_ADDRESS_PREFIX, idx int) netip.Prefix {
+	ip := parseIP(prefix.Prefix, idx)
+	return netip.PrefixFrom(ip, int(prefix.PrefixLength))
+}
+
+func parseIP(addr SOCKADDR_INET, idx int) netip.Addr {
+	return parseIPGeneric(addr.sin6_family, addr.data, idx)
+}
+
+func parseIPNexthop(addr SOCKADDR_INET_NEXTHOP, idx int) netip.Addr {
+	return parseIPGeneric(addr.sin6_family, addr.data, idx)
+}
+
+func parseIPGeneric(family int16, data [24]byte, interfaceIndex int) netip.Addr {
+	switch family {
+	case windows.AF_INET:
+		ipv4 := binary.BigEndian.Uint32(data[:4])
+		return netip.AddrFrom4([4]byte{
+			byte(ipv4 >> 24),
+			byte(ipv4 >> 16),
+			byte(ipv4 >> 8),
+			byte(ipv4),
+		})
+
+	case windows.AF_INET6:
+		// The IPv6 address is stored after the 4-byte flowinfo field
+		var ipv6 [16]byte
+		copy(ipv6[:], data[4:20])
+		ip := netip.AddrFrom16(ipv6)
+
+		// Check if there's a non-zero scope_id
+		scopeID := binary.BigEndian.Uint32(data[20:24])
+		if scopeID != 0 {
+			ip = ip.WithZone(strconv.FormatUint(uint64(scopeID), 10))
+		} else if interfaceIndex != 0 {
+			ip = addZone(ip, interfaceIndex)
+		}
+
+		return ip
+	}
+
+	return netip.IPv4Unspecified()
+}
+
+func addZone(ip netip.Addr, interfaceIndex int) netip.Addr {
+	if ip.IsLinkLocalUnicast() || ip.IsLinkLocalMulticast() {
+		ip = ip.WithZone(strconv.Itoa(interfaceIndex))
+	}
+	return ip
+}

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,
@@ -271,7 +270,14 @@ func (c *Client) GetRoutesSelectionDetails() (*RoutesSelectionDetails, error) {
 	}
 
 	routesMap := engine.GetClientRoutesWithNetID()
-	routeSelector := engine.GetRouteManager().GetRouteSelector()
+	routeManager := engine.GetRouteManager()
+	if routeManager == nil {
+		return nil, fmt.Errorf("could not get route manager")
+	}
+	routeSelector := routeManager.GetRouteSelector()
+	if routeSelector == nil {
+		return nil, fmt.Errorf("could not get route selector")
+	}
 
 	var routes []*selectRoute
 	for id, rt := range routesMap {

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,
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+	0x64, 0x12, 0x34, 0x0a, 0x15, 0x6c, 0x6f, 0x63, 0x61, 0x6c, 0x49, 0x63, 0x65, 0x43, 0x61, 0x6e,
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+	0x73, 0x74, 0x1a, 0x1c, 0x2e, 0x64, 0x61, 0x65, 0x6d, 0x6f, 0x6e, 0x2e, 0x53, 0x65, 0x6c, 0x65,
+	0x63, 0x74, 0x52, 0x6f, 0x75, 0x74, 0x65, 0x73, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65,
+	0x22, 0x00, 0x12, 0x4d, 0x0a, 0x0e, 0x44, 0x65, 0x73, 0x65, 0x6c, 0x65, 0x63, 0x74, 0x52, 0x6f,
+	0x75, 0x74, 0x65, 0x73, 0x12, 0x1b, 0x2e, 0x64, 0x61, 0x65, 0x6d, 0x6f, 0x6e, 0x2e, 0x53, 0x65,
+	0x6c, 0x65, 0x63, 0x74, 0x52, 0x6f, 0x75, 0x74, 0x65, 0x73, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73,
+	0x74, 0x1a, 0x1c, 0x2e, 0x64, 0x61, 0x65, 0x6d, 0x6f, 0x6e, 0x2e, 0x53, 0x65, 0x6c, 0x65, 0x63,
+	0x74, 0x52, 0x6f, 0x75, 0x74, 0x65, 0x73, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22,
+	0x00, 0x12, 0x48, 0x0a, 0x0b, 0x44, 0x65, 0x62, 0x75, 0x67, 0x42, 0x75, 0x6e, 0x64, 0x6c, 0x65,
+	0x12, 0x1a, 0x2e, 0x64, 0x61, 0x65, 0x6d, 0x6f, 0x6e, 0x2e, 0x44, 0x65, 0x62, 0x75, 0x67, 0x42,
+	0x75, 0x6e, 0x64, 0x6c, 0x65, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x1b, 0x2e, 0x64,
+	0x61, 0x65, 0x6d, 0x6f, 0x6e, 0x2e, 0x44, 0x65, 0x62, 0x75, 0x67, 0x42, 0x75, 0x6e, 0x64, 0x6c,
+	0x65, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22, 0x00, 0x12, 0x48, 0x0a, 0x0b, 0x47,
+	0x65, 0x74, 0x4c, 0x6f, 0x67, 0x4c, 0x65, 0x76, 0x65, 0x6c, 0x12, 0x1a, 0x2e, 0x64, 0x61, 0x65,
 	0x6d, 0x6f, 0x6e, 0x2e, 0x47, 0x65, 0x74, 0x4c, 0x6f, 0x67, 0x4c, 0x65, 0x76, 0x65, 0x6c, 0x52,
-	0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22, 0x00, 0x12, 0x48, 0x0a, 0x0b, 0x53, 0x65, 0x74,
-	0x4c, 0x6f, 0x67, 0x4c, 0x65, 0x76, 0x65, 0x6c, 0x12, 0x1a, 0x2e, 0x64, 0x61, 0x65, 0x6d, 0x6f,
-	0x6e, 0x2e, 0x53, 0x65, 0x74, 0x4c, 0x6f, 0x67, 0x4c, 0x65, 0x76, 0x65, 0x6c, 0x52, 0x65, 0x71,
-	0x75, 0x65, 0x73, 0x74, 0x1a, 0x1b, 0x2e, 0x64, 0x61, 0x65, 0x6d, 0x6f, 0x6e, 0x2e, 0x53, 0x65,
-	0x74, 0x4c, 0x6f, 0x67, 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,
+	0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x1b, 0x2e, 0x64, 0x61, 0x65, 0x6d, 0x6f, 0x6e, 0x2e,
+	0x47, 0x65, 0x74, 0x4c, 0x6f, 0x67, 0x4c, 0x65, 0x76, 0x65, 0x6c, 0x52, 0x65, 0x73, 0x70, 0x6f,
+	0x6e, 0x73, 0x65, 0x22, 0x00, 0x12, 0x48, 0x0a, 0x0b, 0x53, 0x65, 0x74, 0x4c, 0x6f, 0x67, 0x4c,
+	0x65, 0x76, 0x65, 0x6c, 0x12, 0x1a, 0x2e, 0x64, 0x61, 0x65, 0x6d, 0x6f, 0x6e, 0x2e, 0x53, 0x65,
+	0x74, 0x4c, 0x6f, 0x67, 0x4c, 0x65, 0x76, 0x65, 0x6c, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74,
+	0x1a, 0x1b, 0x2e, 0x64, 0x61, 0x65, 0x6d, 0x6f, 0x6e, 0x2e, 0x53, 0x65, 0x74, 0x4c, 0x6f, 0x67,
+	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

@@ -12,7 +12,6 @@ import (
 
 	"github.com/cenkalti/backoff/v4"
 	"golang.org/x/exp/maps"
-
 	"google.golang.org/protobuf/types/known/durationpb"
 
 	log "github.com/sirupsen/logrus"
@@ -143,10 +142,12 @@ func (s *Server) Start() error {
 		s.sessionWatcher.SetOnExpireListener(s.onSessionExpire)
 	}
 
-	if !config.DisableAutoConnect {
-		go s.connectWithRetryRuns(ctx, config, s.statusRecorder, s.mgmProbe, s.signalProbe, s.relayProbe, s.wgProbe)
+	if config.DisableAutoConnect {
+		return nil
 	}
 
+	go s.connectWithRetryRuns(ctx, config, s.statusRecorder, nil)
+
 	return nil
 }
 
@@ -154,7 +155,7 @@ func (s *Server) Start() error {
 // mechanism to keep the client connected even when the connection is lost.
 // we cancel retry if the client receive a stop or down command, or if disable auto connect is configured.
 func (s *Server) connectWithRetryRuns(ctx context.Context, config *internal.Config, statusRecorder *peer.Status,
-	mgmProbe *internal.Probe, signalProbe *internal.Probe, relayProbe *internal.Probe, wgProbe *internal.Probe,
+	runningChan chan error,
 ) {
 	backOff := getConnectWithBackoff(ctx)
 	retryStarted := false
@@ -185,7 +186,15 @@ func (s *Server) connectWithRetryRuns(ctx context.Context, config *internal.Conf
 	runOperation := func() error {
 		log.Tracef("running client connection")
 		s.connectClient = internal.NewConnectClient(ctx, config, statusRecorder)
-		err := s.connectClient.RunWithProbes(mgmProbe, signalProbe, relayProbe, wgProbe)
+
+		probes := internal.ProbeHolder{
+			MgmProbe:    s.mgmProbe,
+			SignalProbe: s.signalProbe,
+			RelayProbe:  s.relayProbe,
+			WgProbe:     s.wgProbe,
+		}
+
+		err := s.connectClient.RunWithProbes(&probes, runningChan)
 		if err != nil {
 			log.Debugf("run client connection exited with error: %v. Will retry in the background", err)
 		}
@@ -576,9 +585,22 @@ func (s *Server) Up(callerCtx context.Context, _ *proto.UpRequest) (*proto.UpRes
 	s.statusRecorder.UpdateManagementAddress(s.config.ManagementURL.String())
 	s.statusRecorder.UpdateRosenpass(s.config.RosenpassEnabled, s.config.RosenpassPermissive)
 
-	go s.connectWithRetryRuns(ctx, s.config, s.statusRecorder, s.mgmProbe, s.signalProbe, s.relayProbe, s.wgProbe)
+	runningChan := make(chan error)
+	go s.connectWithRetryRuns(ctx, s.config, s.statusRecorder, runningChan)
 
-	return &proto.UpResponse{}, nil
+	for {
+		select {
+		case err := <-runningChan:
+			if err != nil {
+				log.Debugf("waiting for engine to become ready failed: %s", err)
+			} else {
+				return &proto.UpResponse{}, nil
+			}
+		case <-callerCtx.Done():
+			log.Debug("context done, stopping the wait for engine to become ready")
+			return nil, callerCtx.Err()
+		}
+	}
 }
 
 // Down engine work in the daemon.
@@ -590,28 +612,19 @@ func (s *Server) Down(ctx context.Context, _ *proto.DownRequest) (*proto.DownRes
 		return nil, fmt.Errorf("service is not up")
 	}
 	s.actCancel()
+
+	err := s.connectClient.Stop()
+	if err != nil {
+		log.Errorf("failed to shut down properly: %v", err)
+		return nil, err
+	}
+
 	state := internal.CtxGetState(s.rootCtx)
 	state.Set(internal.StatusIdle)
 
-	maxWaitTime := 5 * time.Second
-	timeout := time.After(maxWaitTime)
+	log.Infof("service is down")
 
-	engine := s.connectClient.Engine()
-
-	for {
-		if !engine.IsWGIfaceUp() {
-			return &proto.DownResponse{}, nil
-		}
-
-		select {
-		case <-ctx.Done():
-			return &proto.DownResponse{}, nil
-		case <-timeout:
-			return nil, fmt.Errorf("failed to shut down properly")
-		default:
-			time.Sleep(100 * time.Millisecond)
-		}
-	}
+	return &proto.DownResponse{}, nil
 }
 
 // Status returns the daemon status
@@ -745,11 +758,11 @@ 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 +776,7 @@ 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

@@ -6,10 +6,11 @@ import (
 	"testing"
 	"time"
 
-	"github.com/netbirdio/management-integrations/integrations"
 	"github.com/stretchr/testify/require"
 	"go.opentelemetry.io/otel"
 
+	"github.com/netbirdio/management-integrations/integrations"
+
 	log "github.com/sirupsen/logrus"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/keepalive"
@@ -19,6 +20,7 @@ import (
 	mgmtProto "github.com/netbirdio/netbird/management/proto"
 	"github.com/netbirdio/netbird/management/server"
 	"github.com/netbirdio/netbird/management/server/activity"
+	"github.com/netbirdio/netbird/management/server/telemetry"
 	"github.com/netbirdio/netbird/signal/proto"
 	signalServer "github.com/netbirdio/netbird/signal/server"
 )
@@ -72,7 +74,7 @@ func TestConnectWithRetryRuns(t *testing.T) {
 	t.Setenv(maxRetryTimeVar, "5s")
 	t.Setenv(retryMultiplierVar, "1")
 
-	s.connectWithRetryRuns(ctx, config, s.statusRecorder, s.mgmProbe, s.signalProbe, s.relayProbe, s.wgProbe)
+	s.connectWithRetryRuns(ctx, config, s.statusRecorder, nil)
 	if counter < 3 {
 		t.Fatalf("expected counter > 2, got %d", counter)
 	}
@@ -120,12 +122,17 @@ func startManagement(t *testing.T, signalAddr string, counter *int) (*grpc.Serve
 		return nil, "", err
 	}
 	ia, _ := integrations.NewIntegratedValidator(context.Background(), eventStore)
-	accountManager, err := server.BuildManager(context.Background(), store, peersUpdateManager, nil, "", "netbird.selfhosted", eventStore, nil, false, ia)
+
+	metrics, err := telemetry.NewDefaultAppMetrics(context.Background())
+	require.NoError(t, err)
+
+	accountManager, err := server.BuildManager(context.Background(), store, peersUpdateManager, nil, "", "netbird.selfhosted", eventStore, nil, false, ia, metrics)
 	if err != nil {
 		return nil, "", err
 	}
-	turnManager := server.NewTimeBasedAuthSecretsManager(peersUpdateManager, config.TURNConfig)
-	mgmtServer, err := server.NewServer(context.Background(), config, accountManager, peersUpdateManager, turnManager, nil, nil)
+
+	secretsManager := server.NewTimeBasedAuthSecretsManager(peersUpdateManager, config.TURNConfig, config.Relay)
+	mgmtServer, err := server.NewServer(context.Background(), config, accountManager, peersUpdateManager, secretsManager, 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),
 	}
 }
 

client/testdata/management.json

@@ -20,6 +20,13 @@
     "Secret": "c29tZV9wYXNzd29yZA==",
     "TimeBasedCredentials": true
   },
+  "Relay": {
+    "Addresses": [
+      "localhost:0"
+    ],
+    "CredentialsTTL": "1h",
+    "Secret": "b29tZV9wYXNzd29yZA=="
+  },
   "Signal": {
     "Proto": "http",
     "URI": "signal.wiretrustee.com:10000",
@@ -34,4 +41,4 @@
     "AuthAudience": "<PASTE YOUR AUTH0 AUDIENCE HERE>",
     "AuthKeysLocation": "<PASTE YOUR AUTH0 PUBLIC JWT KEYS LOCATION HERE>"
   }
-}
+}

client/ui/client_ui.go

@@ -22,8 +22,8 @@ import (
 	"fyne.io/fyne/v2/app"
 	"fyne.io/fyne/v2/dialog"
 	"fyne.io/fyne/v2/widget"
+	"fyne.io/systray"
 	"github.com/cenkalti/backoff/v4"
-	"github.com/getlantern/systray"
 	log "github.com/sirupsen/logrus"
 	"github.com/skratchdot/open-golang/open"
 	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"

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

@@ -10,9 +10,9 @@ require (
 	github.com/golang/protobuf v1.5.4
 	github.com/google/uuid v1.6.0
 	github.com/gorilla/mux v1.8.0
-	github.com/kardianos/service v1.2.1-0.20210728001519-a323c3813bc7
+	github.com/kardianos/service v1.2.3-0.20240613133416-becf2eb62b83
 	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/getlantern/systray v1.2.1
+	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 v0.0.0-20240820130728-bc0683599080
 	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
@@ -115,60 +137,64 @@ require (
 	github.com/dgraph-io/ristretto v0.1.1 // indirect
 	github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
 	github.com/distribution/reference v0.6.0 // indirect
-	github.com/docker/docker v26.1.4+incompatible // indirect
+	github.com/docker/docker v26.1.5+incompatible // indirect
 	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/getlantern/context v0.0.0-20190109183933-c447772a6520 // indirect
-	github.com/getlantern/errors v0.0.0-20190325191628-abdb3e3e36f7 // indirect
-	github.com/getlantern/golog v0.0.0-20190830074920-4ef2e798c2d7 // indirect
-	github.com/getlantern/hex v0.0.0-20190417191902-c6586a6fe0b7 // indirect
-	github.com/getlantern/hidden v0.0.0-20190325191715-f02dbb02be55 // indirect
-	github.com/getlantern/ops v0.0.0-20190325191751-d70cb0d6f85f // 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-stack/stack v1.8.0 // 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/oxtoacart/bpool v0.0.0-20190530202638-03653db5a59c // 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
@@ -176,21 +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
@@ -201,7 +232,7 @@ require (
 	k8s.io/apimachinery v0.26.2 // indirect
 )
 
-replace github.com/kardianos/service => github.com/netbirdio/service v0.0.0-20230215170314-b923b89432b0
+replace github.com/kardianos/service => github.com/netbirdio/service v0.0.0-20240911161631-f62744f42502
 
 replace github.com/getlantern/systray => github.com/netbirdio/systray v0.0.0-20231030152038-ef1ed2a27949
 

iface/iface.go

@@ -124,7 +124,23 @@ func (w *WGIface) RemoveAllowedIP(peerKey string, allowedIP string) error {
 func (w *WGIface) Close() error {
 	w.mu.Lock()
 	defer w.mu.Unlock()
-	return w.tun.Close()
+
+	err := w.tun.Close()
+	if err != nil {
+		return fmt.Errorf("failed to close wireguard interface %s: %w", w.Name(), err)
+	}
+
+	err = w.waitUntilRemoved()
+	if err != nil {
+		log.Warnf("failed to remove WireGuard interface %s: %v", w.Name(), err)
+		err = w.Destroy()
+		if err != nil {
+			return fmt.Errorf("failed to remove WireGuard interface %s: %w", w.Name(), err)
+		}
+		log.Infof("interface %s successfully removed", w.Name())
+	}
+
+	return nil
 }
 
 // SetFilter sets packet filters for the userspace implementation
@@ -163,3 +179,30 @@ func (w *WGIface) GetDevice() *DeviceWrapper {
 func (w *WGIface) GetStats(peerKey string) (WGStats, error) {
 	return w.configurer.getStats(peerKey)
 }
+
+func (w *WGIface) waitUntilRemoved() error {
+	maxWaitTime := 5 * time.Second
+	timeout := time.NewTimer(maxWaitTime)
+	defer timeout.Stop()
+
+	for {
+		iface, err := net.InterfaceByName(w.Name())
+		if err != nil {
+			if _, ok := err.(*net.OpError); ok {
+				log.Infof("interface %s has been removed", w.Name())
+				return nil
+			}
+			log.Debugf("failed to get interface by name %s: %v", w.Name(), err)
+		} else if iface == nil {
+			log.Infof("interface %s has been removed", w.Name())
+			return nil
+		}
+
+		select {
+		case <-timeout.C:
+			return fmt.Errorf("timeout when waiting for interface %s to be removed", w.Name())
+		default:
+			time.Sleep(100 * time.Millisecond)
+		}
+	}
+}

iface/iface_create.go

@@ -1,4 +1,4 @@
-//go:build !android
+//go:build (!android && !darwin) || ios
 
 package iface
 

iface/iface_darwin.go

@@ -4,7 +4,9 @@ package iface
 
 import (
 	"fmt"
+	"time"
 
+	"github.com/cenkalti/backoff/v4"
 	"github.com/pion/transport/v3"
 
 	"github.com/netbirdio/netbird/iface/bind"
@@ -36,3 +38,29 @@ func NewWGIFace(iFaceName string, address string, wgPort int, wgPrivKey string,
 func (w *WGIface) CreateOnAndroid([]string, string, []string) error {
 	return fmt.Errorf("this function has not implemented on this platform")
 }
+
+// Create creates a new Wireguard interface, sets a given IP and brings it up.
+// Will reuse an existing one.
+// this function is different on Android
+func (w *WGIface) Create() error {
+	w.mu.Lock()
+	defer w.mu.Unlock()
+
+	backOff := &backoff.ExponentialBackOff{
+		InitialInterval: 20 * time.Millisecond,
+		MaxElapsedTime:  500 * time.Millisecond,
+		Stop:            backoff.Stop,
+		Clock:           backoff.SystemClock,
+	}
+
+	operation := func() error {
+		cfgr, err := w.tun.Create()
+		if err != nil {
+			return err
+		}
+		w.configurer = cfgr
+		return nil
+	}
+
+	return backoff.Retry(operation, backOff)
+}

iface/iface_destroy_bsd.go

@@ -0,0 +1,17 @@
+//go:build darwin || dragonfly || freebsd || netbsd || openbsd
+
+package iface
+
+import (
+	"fmt"
+	"os/exec"
+)
+
+func (w *WGIface) Destroy() error {
+	out, err := exec.Command("ifconfig", w.Name(), "destroy").CombinedOutput()
+	if err != nil {
+		return fmt.Errorf("failed to remove interface %s: %w - %s", w.Name(), err, out)
+	}
+
+	return nil
+}

iface/iface_destroy_linux.go

@@ -0,0 +1,22 @@
+//go:build linux && !android
+
+package iface
+
+import (
+	"fmt"
+
+	"github.com/vishvananda/netlink"
+)
+
+func (w *WGIface) Destroy() error {
+	link, err := netlink.LinkByName(w.Name())
+	if err != nil {
+		return fmt.Errorf("failed to get link by name %s: %w", w.Name(), err)
+	}
+
+	if err := netlink.LinkDel(link); err != nil {
+		return fmt.Errorf("failed to delete link %s: %w", w.Name(), err)
+	}
+
+	return nil
+}

iface/iface_destroy_mobile.go

@@ -0,0 +1,9 @@
+//go:build android || (ios && !darwin)
+
+package iface
+
+import "errors"
+
+func (w *WGIface) Destroy() error {
+	return errors.New("not supported on mobile")
+}

iface/iface_destroy_windows.go

@@ -0,0 +1,32 @@
+//go:build windows
+
+package iface
+
+import (
+	"fmt"
+	"os/exec"
+
+	log "github.com/sirupsen/logrus"
+)
+
+func (w *WGIface) Destroy() error {
+	netshCmd := GetSystem32Command("netsh")
+	out, err := exec.Command(netshCmd, "interface", "set", "interface", w.Name(), "admin=disable").CombinedOutput()
+	if err != nil {
+		return fmt.Errorf("failed to remove interface %s: %w - %s", w.Name(), err, out)
+	}
+	return nil
+}
+
+// GetSystem32Command checks if a command can be found in the system path and returns it. In case it can't find it
+// in the path it will return the full path of a command assuming C:\windows\system32 as the base path.
+func GetSystem32Command(command string) string {
+	_, err := exec.LookPath(command)
+	if err == nil {
+		return command
+	}
+
+	log.Tracef("Command %s not found in PATH, using C:\\windows\\system32\\%s.exe path", command, command)
+
+	return "C:\\windows\\system32\\" + command + ".exe"
+}

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/iface_test.go

@@ -4,9 +4,11 @@ import (
 	"fmt"
 	"net"
 	"net/netip"
+	"strings"
 	"testing"
 	"time"
 
+	"github.com/google/uuid"
 	"github.com/pion/transport/v3/stdnet"
 	log "github.com/sirupsen/logrus"
 	"github.com/stretchr/testify/assert"
@@ -174,6 +176,72 @@ func Test_Close(t *testing.T) {
 	}
 }
 
+func TestRecreation(t *testing.T) {
+	for i := 0; i < 100; i++ {
+		t.Run(fmt.Sprintf("down-%d", i), func(t *testing.T) {
+			ifaceName := fmt.Sprintf("utun%d", WgIntNumber+2)
+			wgIP := "10.99.99.2/32"
+			wgPort := 33100
+			newNet, err := stdnet.NewNet()
+			if err != nil {
+				t.Fatal(err)
+			}
+
+			iface, err := NewWGIFace(ifaceName, wgIP, wgPort, key, DefaultMTU, newNet, nil, nil)
+			if err != nil {
+				t.Fatal(err)
+			}
+
+			for {
+				_, err = net.InterfaceByName(ifaceName)
+				if err != nil {
+					t.Logf("interface %s not found: err: %s", ifaceName, err)
+					break
+				}
+				t.Logf("interface %s found", ifaceName)
+			}
+
+			err = iface.Create()
+			if err != nil {
+				t.Fatal(err)
+			}
+			wg, err := wgctrl.New()
+			if err != nil {
+				t.Fatal(err)
+			}
+			defer func() {
+				err = wg.Close()
+				if err != nil {
+					t.Error(err)
+				}
+			}()
+
+			_, err = iface.Up()
+			if err != nil {
+				t.Fatal(err)
+			}
+
+			for {
+				_, err = net.InterfaceByName(ifaceName)
+				if err == nil {
+					t.Logf("interface %s found", ifaceName)
+
+					break
+				}
+				t.Logf("interface %s not found: err: %s", ifaceName, err)
+
+			}
+
+			start := time.Now()
+			err = iface.Close()
+			t.Logf("down time: %s", time.Since(start))
+			if err != nil {
+				t.Fatal(err)
+			}
+		})
+	}
+}
+
 func Test_ConfigureInterface(t *testing.T) {
 	ifaceName := fmt.Sprintf("utun%d", WgIntNumber+3)
 	wgIP := "10.99.99.5/30"
@@ -345,6 +413,9 @@ func Test_ConnectPeers(t *testing.T) {
 		t.Fatal(err)
 	}
 
+	guid := fmt.Sprintf("{%s}", uuid.New().String())
+	CustomWindowsGUIDString = strings.ToLower(guid)
+
 	iface1, err := NewWGIFace(peer1ifaceName, peer1wgIP, peer1wgPort, peer1Key.String(), DefaultMTU, newNet, nil, nil)
 	if err != nil {
 		t.Fatal(err)
@@ -364,6 +435,9 @@ func Test_ConnectPeers(t *testing.T) {
 		t.Fatal(err)
 	}
 
+	guid = fmt.Sprintf("{%s}", uuid.New().String())
+	CustomWindowsGUIDString = strings.ToLower(guid)
+
 	newNet, err = stdnet.NewNet()
 	if err != nil {
 		t.Fatal(err)

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)
+}

iface/tun.go

@@ -7,6 +7,9 @@ import (
 	"github.com/netbirdio/netbird/iface/bind"
 )
 
+// CustomWindowsGUIDString is a custom GUID string for the interface
+var CustomWindowsGUIDString string
+
 type wgTunDevice interface {
 	Create() (wgConfigurer, error)
 	Up() (*bind.UniversalUDPMuxDefault, error)

iface/tun_darwin.go

@@ -3,6 +3,7 @@
 package iface
 
 import (
+	"fmt"
 	"os/exec"
 
 	"github.com/pion/transport/v3"
@@ -41,7 +42,7 @@ func newTunDevice(name string, address WGAddress, port int, key string, mtu int,
 func (t *tunDevice) Create() (wgConfigurer, error) {
 	tunDevice, err := tun.CreateTUN(t.name, t.mtu)
 	if err != nil {
-		return nil, err
+		return nil, fmt.Errorf("error creating tun device: %s", err)
 	}
 	t.wrapper = newDeviceWrapper(tunDevice)
 
@@ -55,7 +56,7 @@ func (t *tunDevice) Create() (wgConfigurer, error) {
 	err = t.assignAddr()
 	if err != nil {
 		t.device.Close()
-		return nil, err
+		return nil, fmt.Errorf("error assigning ip: %s", err)
 	}
 
 	t.configurer = newWGUSPConfigurer(t.device, t.name)
@@ -63,7 +64,7 @@ func (t *tunDevice) Create() (wgConfigurer, error) {
 	if err != nil {
 		t.device.Close()
 		t.configurer.close()
-		return nil, err
+		return nil, fmt.Errorf("error configuring interface: %s", err)
 	}
 	return t.configurer, nil
 }

iface/tun_kernel_unix.go

@@ -70,7 +70,7 @@ func (t *tunKernelDevice) Create() (wgConfigurer, error) {
 	configurer := newWGConfigurer(t.name)
 
 	if err := configurer.configureInterface(t.key, t.wgPort); err != nil {
-		return nil, err
+		return nil, fmt.Errorf("error configuring interface: %s", err)
 	}
 
 	return configurer, nil

iface/tun_netstack.go

@@ -47,7 +47,7 @@ func (t *tunNetstackDevice) Create() (wgConfigurer, error) {
 	t.nsTun = netstack.NewNetStackTun(t.listenAddress, t.address.IP.String(), t.mtu)
 	tunIface, err := t.nsTun.Create()
 	if err != nil {
-		return nil, err
+		return nil, fmt.Errorf("error creating tun device: %s", err)
 	}
 	t.wrapper = newDeviceWrapper(tunIface)
 
@@ -61,7 +61,7 @@ func (t *tunNetstackDevice) Create() (wgConfigurer, error) {
 	err = t.configurer.configureInterface(t.key, t.port)
 	if err != nil {
 		_ = tunIface.Close()
-		return nil, err
+		return nil, fmt.Errorf("error configuring interface: %s", err)
 	}
 
 	log.Debugf("device has been created: %s", t.name)

iface/tun_usp_unix.go

@@ -48,8 +48,8 @@ func (t *tunUSPDevice) Create() (wgConfigurer, error) {
 	log.Info("create tun interface")
 	tunIface, err := tun.CreateTUN(t.name, t.mtu)
 	if err != nil {
-		log.Debugf("failed to create tun unterface (%s, %d): %s", t.name, t.mtu, err)
-		return nil, err
+		log.Debugf("failed to create tun interface (%s, %d): %s", t.name, t.mtu, err)
+		return nil, fmt.Errorf("error creating tun device: %s", err)
 	}
 	t.wrapper = newDeviceWrapper(tunIface)
 
@@ -63,7 +63,7 @@ func (t *tunUSPDevice) Create() (wgConfigurer, error) {
 	err = t.assignAddr()
 	if err != nil {
 		t.device.Close()
-		return nil, err
+		return nil, fmt.Errorf("error assigning ip: %s", err)
 	}
 
 	t.configurer = newWGUSPConfigurer(t.device, t.name)
@@ -71,7 +71,7 @@ func (t *tunUSPDevice) Create() (wgConfigurer, error) {
 	if err != nil {
 		t.device.Close()
 		t.configurer.close()
-		return nil, err
+		return nil, fmt.Errorf("error configuring interface: %s", err)
 	}
 	return t.configurer, nil
 }

iface/tun_windows.go

@@ -14,6 +14,8 @@ import (
 	"github.com/netbirdio/netbird/iface/bind"
 )
 
+const defaultWindowsGUIDSTring = "{f2f29e61-d91f-4d76-8151-119b20c4bdeb}"
+
 type tunDevice struct {
 	name    string
 	address WGAddress
@@ -40,12 +42,25 @@ func newTunDevice(name string, address WGAddress, port int, key string, mtu int,
 	}
 }
 
+func getGUID() (windows.GUID, error) {
+	guidString := defaultWindowsGUIDSTring
+	if CustomWindowsGUIDString != "" {
+		guidString = CustomWindowsGUIDString
+	}
+	return windows.GUIDFromString(guidString)
+}
+
 func (t *tunDevice) Create() (wgConfigurer, error) {
-	log.Info("create tun interface")
-	tunDevice, err := tun.CreateTUN(t.name, t.mtu)
+	guid, err := getGUID()
 	if err != nil {
+		log.Errorf("failed to get GUID: %s", err)
 		return nil, err
 	}
+	log.Info("create tun interface")
+	tunDevice, err := tun.CreateTUNWithRequestedGUID(t.name, &guid, t.mtu)
+	if err != nil {
+		return nil, fmt.Errorf("error creating tun device: %s", err)
+	}
 	t.nativeTunDevice = tunDevice.(*tun.NativeTun)
 	t.wrapper = newDeviceWrapper(tunDevice)
 
@@ -74,7 +89,7 @@ func (t *tunDevice) Create() (wgConfigurer, error) {
 	err = t.assignAddr()
 	if err != nil {
 		t.device.Close()
-		return nil, err
+		return nil, fmt.Errorf("error assigning ip: %s", err)
 	}
 
 	t.configurer = newWGUSPConfigurer(t.device, t.name)
@@ -82,7 +97,7 @@ func (t *tunDevice) Create() (wgConfigurer, error) {
 	if err != nil {
 		t.device.Close()
 		t.configurer.close()
-		return nil, err
+		return nil, fmt.Errorf("error configuring interface: %s", err)
 	}
 	return t.configurer, nil
 }

iface/wg_configurer_kernel_unix.go

@@ -56,8 +56,9 @@ func (c *wgKernelConfigurer) updatePeer(peerKey string, allowedIps string, keepA
 		return err
 	}
 	peer := wgtypes.PeerConfig{
-		PublicKey:                   peerKeyParsed,
-		ReplaceAllowedIPs:           true,
+		PublicKey:         peerKeyParsed,
+		ReplaceAllowedIPs: false,
+		// don't replace allowed ips, wg will handle duplicated peer IP
 		AllowedIPs:                  []net.IPNet{*ipNet},
 		PersistentKeepaliveInterval: &keepAlive,
 		Endpoint:                    endpoint,

iface/wg_configurer_usp.go

@@ -64,8 +64,9 @@ func (c *wgUSPConfigurer) updatePeer(peerKey string, allowedIps string, keepAliv
 		return err
 	}
 	peer := wgtypes.PeerConfig{
-		PublicKey:                   peerKeyParsed,
-		ReplaceAllowedIPs:           true,
+		PublicKey:         peerKeyParsed,
+		ReplaceAllowedIPs: false,
+		// don't replace allowed ips, wg will handle duplicated peer IP
 		AllowedIPs:                  []net.IPNet{*ipNet},
 		PersistentKeepaliveInterval: &keepAlive,
 		PresharedKey:                preSharedKey,

infrastructure_files/base.setup.env

@@ -20,6 +20,12 @@ NETBIRD_MGMT_IDP_SIGNKEY_REFRESH=${NETBIRD_MGMT_IDP_SIGNKEY_REFRESH:-false}
 NETBIRD_SIGNAL_PROTOCOL="http"
 NETBIRD_SIGNAL_PORT=${NETBIRD_SIGNAL_PORT:-10000}
 
+# Relay
+NETBIRD_RELAY_DOMAIN=${NETBIRD_RELAY_DOMAIN:-$NETBIRD_DOMAIN}
+NETBIRD_RELAY_PORT=${NETBIRD_RELAY_PORT:-33080}
+# Relay auth secret
+NETBIRD_RELAY_AUTH_SECRET=
+
 # Turn
 TURN_DOMAIN=${NETBIRD_TURN_DOMAIN:-$NETBIRD_DOMAIN}
 
@@ -69,7 +75,7 @@ NETBIRD_DASHBOARD_TAG=${NETBIRD_DASHBOARD_TAG:-"latest"}
 NETBIRD_SIGNAL_TAG=${NETBIRD_SIGNAL_TAG:-"latest"}
 NETBIRD_MANAGEMENT_TAG=${NETBIRD_MANAGEMENT_TAG:-"latest"}
 COTURN_TAG=${COTURN_TAG:-"latest"}
-
+NETBIRD_RELAY_TAG=${NETBIRD_RELAY_TAG:-"latest"}
 
 # exports
 export NETBIRD_DOMAIN
@@ -123,3 +129,7 @@ export NETBIRD_SIGNAL_TAG
 export NETBIRD_MANAGEMENT_TAG
 export COTURN_TAG
 export NETBIRD_TURN_EXTERNAL_IP
+export NETBIRD_RELAY_DOMAIN
+export NETBIRD_RELAY_PORT
+export NETBIRD_RELAY_AUTH_SECRET
+export NETBIRD_RELAY_TAG

infrastructure_files/configure.sh

@@ -41,6 +41,18 @@ if [[ "x-$NETBIRD_DOMAIN" == "x-" ]]; then
   exit 1
 fi
 
+# Check if PostgreSQL is set as the store engine
+if [[ "$NETBIRD_STORE_CONFIG_ENGINE" == "postgres" ]]; then
+  # Exit if 'NETBIRD_STORE_ENGINE_POSTGRES_DSN' is not set
+  if [[ -z "$NETBIRD_STORE_ENGINE_POSTGRES_DSN" ]]; then
+    echo "Warning: NETBIRD_STORE_CONFIG_ENGINE=postgres but NETBIRD_STORE_ENGINE_POSTGRES_DSN is not set."
+    echo "Please add the following line to your setup.env file:"
+    echo 'NETBIRD_STORE_ENGINE_POSTGRES_DSN="host=<PG_HOST> user=<PG_USER> password=<PG_PASSWORD> dbname=<PG_DB_NAME> port=<PG_PORT>"'
+    exit 1
+  fi
+  export NETBIRD_STORE_ENGINE_POSTGRES_DSN
+fi
+
 # local development or tests
 if [[ $NETBIRD_DOMAIN == "localhost" || $NETBIRD_DOMAIN == "127.0.0.1" ]]; then
   export NETBIRD_MGMT_SINGLE_ACCOUNT_MODE_DOMAIN="netbird.selfhosted"
@@ -77,6 +89,11 @@ fi
 
 export TURN_EXTERNAL_IP_CONFIG
 
+# if not provided, we generate a relay auth secret
+if [[ "x-$NETBIRD_RELAY_AUTH_SECRET" == "x-" ]]; then
+  export NETBIRD_RELAY_AUTH_SECRET=$(openssl rand -base64 32 | sed 's/=//g')
+fi
+
 artifacts_path="./artifacts"
 mkdir -p $artifacts_path
 

infrastructure_files/docker-compose.yml.tmpl

@@ -49,6 +49,23 @@ services:
       options:
         max-size: "500m"
         max-file: "2"
+  # Relay
+  relay:
+    image: netbirdio/relay:$NETBIRD_RELAY_TAG
+    restart: unless-stopped
+    environment:
+    - NB_LOG_LEVEL=info
+    - NB_LISTEN_ADDRESS=:$NETBIRD_RELAY_PORT
+    - NB_EXPOSED_ADDRESS=$NETBIRD_RELAY_DOMAIN:$NETBIRD_RELAY_PORT
+    # todo: change to a secure secret
+    - NB_AUTH_SECRET=$NETBIRD_RELAY_AUTH_SECRET
+    ports:
+      - $NETBIRD_RELAY_PORT:$NETBIRD_RELAY_PORT
+    logging:
+      driver: "json-file"
+      options:
+        max-size: "500m"
+        max-file: "2"
 
   # Management
   management:
@@ -77,6 +94,9 @@ services:
       options:
         max-size: "500m"
         max-file: "2"
+    environment:
+      - NETBIRD_STORE_ENGINE_POSTGRES_DSN=$NETBIRD_STORE_ENGINE_POSTGRES_DSN
+      
   # Coturn
   coturn:
     image: coturn/coturn:$COTURN_TAG

infrastructure_files/docker-compose.yml.tmpl.traefik

@@ -81,7 +81,9 @@ services:
     - traefik.http.routers.netbird-management.service=netbird-management
     - traefik.http.services.netbird-management.loadbalancer.server.port=443
     - traefik.http.services.netbird-management.loadbalancer.server.scheme=h2c
-
+    environment:
+      - NETBIRD_STORE_ENGINE_POSTGRES_DSN=$NETBIRD_STORE_ENGINE_POSTGRES_DSN
+      
   # Coturn
   coturn:
     image: coturn/coturn:$COTURN_TAG

infrastructure_files/download-geolite2.sh

@@ -1,109 +0,0 @@
-#!/bin/bash
-
-# to install sha256sum on mac: brew install coreutils
-if ! command -v sha256sum &> /dev/null
-then
-    echo "sha256sum is not installed or not in PATH, please install with your package manager. e.g. sudo apt install sha256sum" > /dev/stderr
-    exit 1
-fi
-
-if ! command -v sqlite3 &> /dev/null
-then
-    echo "sqlite3 is not installed or not in PATH, please install with your package manager. e.g. sudo apt install sqlite3" > /dev/stderr
-    exit 1
-fi
-
-if ! command -v unzip &> /dev/null
-then
-    echo "unzip is not installed or not in PATH, please install with your package manager. e.g. sudo apt install unzip" > /dev/stderr
-    exit 1
-fi
-
-download_geolite_mmdb() {
-  DATABASE_URL="https://pkgs.netbird.io/geolocation-dbs/GeoLite2-City/download?suffix=tar.gz"
-  SIGNATURE_URL="https://pkgs.netbird.io/geolocation-dbs/GeoLite2-City/download?suffix=tar.gz.sha256"
-  # Download the database and signature files
-  echo "Downloading mmdb signature file..."
-  SIGNATURE_FILE=$(curl -s  -L -O -J "$SIGNATURE_URL" -w "%{filename_effective}")
-  echo "Downloading mmdb database file..."
-  DATABASE_FILE=$(curl -s  -L -O -J "$DATABASE_URL" -w "%{filename_effective}")
-
-  # Verify the signature
-  echo "Verifying signature..."
-  if sha256sum -c --status "$SIGNATURE_FILE"; then
-      echo "Signature is valid."
-  else
-      echo "Signature is invalid. Aborting."
-      exit 1
-  fi
-
-  # Unpack the database file
-  EXTRACTION_DIR=$(basename "$DATABASE_FILE" .tar.gz)
-  echo "Unpacking $DATABASE_FILE..."
-  mkdir -p "$EXTRACTION_DIR"
-  tar -xzvf "$DATABASE_FILE" > /dev/null 2>&1
-
-  MMDB_FILE="GeoLite2-City.mmdb"
-  cp "$EXTRACTION_DIR"/"$MMDB_FILE" $MMDB_FILE
-
-  # Remove downloaded files
-  rm -r "$EXTRACTION_DIR"
-  rm "$DATABASE_FILE" "$SIGNATURE_FILE"
-
-  # Done. Print next steps
-  echo ""
-  echo "Process completed successfully."
-  echo "Now you can place $MMDB_FILE to 'datadir' of management service."
-  echo -e "Example:\n\tdocker compose cp $MMDB_FILE management:/var/lib/netbird/"
-}
-
-
-download_geolite_csv_and_create_sqlite_db() {
-  DATABASE_URL="https://pkgs.netbird.io/geolocation-dbs/GeoLite2-City-CSV/download?suffix=zip"
-  SIGNATURE_URL="https://pkgs.netbird.io/geolocation-dbs/GeoLite2-City-CSV/download?suffix=zip.sha256"
-
-
-  # Download the database file
-  echo "Downloading csv signature file..."
-  SIGNATURE_FILE=$(curl -s  -L -O -J "$SIGNATURE_URL" -w "%{filename_effective}")
-  echo "Downloading csv database file..."
-  DATABASE_FILE=$(curl -s  -L -O -J "$DATABASE_URL" -w "%{filename_effective}")
-
-  # Verify the signature
-  echo "Verifying signature..."
-  if sha256sum -c --status "$SIGNATURE_FILE"; then
-      echo "Signature is valid."
-  else
-      echo "Signature is invalid. Aborting."
-      exit 1
-  fi
-
-  # Unpack the database file
-  EXTRACTION_DIR=$(basename "$DATABASE_FILE" .zip)
-  DB_NAME="geonames.db"
-
-  echo "Unpacking $DATABASE_FILE..."
-  unzip "$DATABASE_FILE" > /dev/null 2>&1
-
-# Create SQLite database and import data from CSV
-sqlite3 "$DB_NAME" <<EOF
-.mode csv
-.import "$EXTRACTION_DIR/GeoLite2-City-Locations-en.csv" geonames
-EOF
-
-
-  # Remove downloaded and extracted files
-  rm -r -r "$EXTRACTION_DIR"
-  rm  "$DATABASE_FILE" "$SIGNATURE_FILE"
-  echo ""
-  echo "SQLite database '$DB_NAME' created successfully."
-  echo "Now you can place $DB_NAME to 'datadir' of management service."
-  echo -e "Example:\n\tdocker compose cp $DB_NAME management:/var/lib/netbird/"
-}
-
-download_geolite_mmdb
-echo -e "\n\n"
-download_geolite_csv_and_create_sqlite_db
-echo -e "\n\n"
-echo "After copying the database files to the management service. You can restart the management service with:"
-echo -e "Example:\n\tdocker compose restart management"