Add support for setting interface name and wireguard port

client/cmd/root.go

@@ -28,7 +28,9 @@ const (
 	externalIPMapFlag   = "external-ip-map"
 	dnsResolverAddress  = "dns-resolver-address"
 	enableRosenpassFlag = "enable-rosenpass"
-	preSharedKeyFlag   = "preshared-key"
+	preSharedKeyFlag    = "preshared-key"
+	interfaceNameFlag   = "interface-name"
+	wireguardPortFlag   = "wireguard-port"
 )
 
 var (
@@ -52,6 +54,8 @@ var (
 	natExternalIPs          []string
 	customDNSAddress        string
 	rosenpassEnabled        bool
+	interfaceName           string
+	wireguardPort           int
 	rootCmd                 = &cobra.Command{
 		Use:          "netbird",
 		Short:        "",

client/cmd/up.go

@@ -16,6 +16,7 @@ import (
 	"github.com/netbirdio/netbird/client/internal/peer"
 	"github.com/netbirdio/netbird/client/proto"
 	"github.com/netbirdio/netbird/client/system"
+	"github.com/netbirdio/netbird/iface"
 	"github.com/netbirdio/netbird/util"
 )
 
@@ -36,6 +37,8 @@ var (
 
 func init() {
 	upCmd.PersistentFlags().BoolVarP(&foregroundMode, "foreground-mode", "F", false, "start service in foreground")
+	upCmd.PersistentFlags().StringVar(&interfaceName, interfaceNameFlag, iface.WgInterfaceDefault, "Wireguard interface name")
+	upCmd.PersistentFlags().IntVar(&wireguardPort, wireguardPortFlag, iface.DefaultWgPort, "Wireguard interface listening port")
 }
 
 func upFunc(cmd *cobra.Command, args []string) error {
@@ -86,10 +89,18 @@ func runInForegroundMode(ctx context.Context, cmd *cobra.Command) error {
 		CustomDNSAddress: customDNSAddressConverted,
 	}
 
-	if rootCmd.PersistentFlags().Changed(enableRosenpassFlag) {
+	if cmd.Flag(enableRosenpassFlag).Changed {
 		ic.RosenpassEnabled = &rosenpassEnabled
 	}
 
+	if cmd.Flag(interfaceNameFlag).Changed {
+		ic.InterfaceName = &interfaceName
+	}
+
+	if cmd.Flag(wireguardPortFlag).Changed {
+		ic.WireguardPort = &wireguardPort
+	}
+
 	if rootCmd.PersistentFlags().Changed(preSharedKeyFlag) {
 		ic.PreSharedKey = &preSharedKey
 	}
@@ -161,6 +172,15 @@ func runInDaemonMode(ctx context.Context, cmd *cobra.Command) error {
 		loginRequest.RosenpassEnabled = &rosenpassEnabled
 	}
 
+	if cmd.Flag(interfaceNameFlag).Changed {
+		loginRequest.InterfaceName = &interfaceName
+	}
+
+	if cmd.Flag(wireguardPortFlag).Changed {
+		wp := int64(wireguardPort)
+		loginRequest.WireguardPort = &wp
+	}
+
 	var loginErr error
 
 	var loginResp *proto.LoginResponse

client/internal/config.go

@@ -42,6 +42,8 @@ type ConfigInput struct {
 	NATExternalIPs   []string
 	CustomDNSAddress []byte
 	RosenpassEnabled *bool
+	InterfaceName    *string
+	WireguardPort    *int
 }
 
 // Config Configuration type
@@ -59,7 +61,7 @@ type Config struct {
 	// SSHKey is a private SSH key in a PEM format
 	SSHKey string
 
-	// ExternalIP mappings, if different than the host interface IP
+	// ExternalIP mappings, if different from the host interface IP
 	//
 	//   External IP must not be behind a CGNAT and port-forwarding for incoming UDP packets from WgPort on ExternalIP
 	//   to WgPort on host interface IP must be present. This can take form of single port-forwarding rule, 1:1 DNAT
@@ -142,11 +144,10 @@ func createNewConfig(input ConfigInput) (*Config, error) {
 	if err != nil {
 		return nil, err
 	}
+
 	config := &Config{
 		SSHKey:               string(pem),
 		PrivateKey:           wgKey,
-		WgIface:              iface.WgInterfaceDefault,
-		WgPort:               iface.DefaultWgPort,
 		IFaceBlackList:       []string{},
 		DisableIPv6Discovery: false,
 		NATExternalIPs:       input.NATExternalIPs,
@@ -167,6 +168,16 @@ func createNewConfig(input ConfigInput) (*Config, error) {
 		config.ManagementURL = URL
 	}
 
+	config.WgPort = iface.DefaultWgPort
+	if input.WireguardPort != nil {
+		config.WgPort = *input.WireguardPort
+	}
+
+	config.WgIface = iface.WgInterfaceDefault
+	if input.InterfaceName != nil {
+		config.WgIface = *input.InterfaceName
+	}
+
 	if input.PreSharedKey != nil {
 		config.PreSharedKey = *input.PreSharedKey
 	}
@@ -243,6 +254,17 @@ func update(input ConfigInput) (*Config, error) {
 		config.WgPort = iface.DefaultWgPort
 		refresh = true
 	}
+
+	if input.WireguardPort != nil {
+		config.WgPort = *input.WireguardPort
+		refresh = true
+	}
+
+	if input.InterfaceName != nil {
+		config.WgIface = *input.InterfaceName
+		refresh = true
+	}
+
 	if input.NATExternalIPs != nil && len(config.NATExternalIPs) != len(input.NATExternalIPs) {
 		config.NATExternalIPs = input.NATExternalIPs
 		refresh = true