mirror of
https://github.com/netbirdio/netbird.git
synced 2024-11-21 23:53:14 +01:00
fd67892cb4
Refactor the flat code structure
405 lines
11 KiB
Go
405 lines
11 KiB
Go
package cmd
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import (
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"context"
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"fmt"
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"net"
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"net/netip"
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"runtime"
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"strings"
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"time"
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log "github.com/sirupsen/logrus"
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"github.com/spf13/cobra"
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"google.golang.org/grpc/codes"
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gstatus "google.golang.org/grpc/status"
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"google.golang.org/protobuf/types/known/durationpb"
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"github.com/netbirdio/netbird/client/iface"
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"github.com/netbirdio/netbird/client/internal"
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"github.com/netbirdio/netbird/client/internal/peer"
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"github.com/netbirdio/netbird/client/proto"
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"github.com/netbirdio/netbird/client/system"
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"github.com/netbirdio/netbird/util"
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)
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const (
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invalidInputType int = iota
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ipInputType
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interfaceInputType
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)
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var (
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foregroundMode bool
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upCmd = &cobra.Command{
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Use: "up",
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Short: "install, login and start Netbird client",
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RunE: upFunc,
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}
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)
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func init() {
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upCmd.PersistentFlags().BoolVarP(&foregroundMode, "foreground-mode", "F", false, "start service in foreground")
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upCmd.PersistentFlags().StringVar(&interfaceName, interfaceNameFlag, iface.WgInterfaceDefault, "Wireguard interface name")
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upCmd.PersistentFlags().Uint16Var(&wireguardPort, wireguardPortFlag, iface.DefaultWgPort, "Wireguard interface listening port")
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upCmd.PersistentFlags().BoolVarP(&networkMonitor, networkMonitorFlag, "N", networkMonitor,
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`Manage network monitoring. Defaults to true on Windows and macOS, false on Linux. `+
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`E.g. --network-monitor=false to disable or --network-monitor=true to enable.`,
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)
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upCmd.PersistentFlags().StringSliceVar(&extraIFaceBlackList, extraIFaceBlackListFlag, nil, "Extra list of default interfaces to ignore for listening")
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upCmd.PersistentFlags().DurationVar(&dnsRouteInterval, dnsRouteIntervalFlag, time.Minute, "DNS route update interval")
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}
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func upFunc(cmd *cobra.Command, args []string) error {
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SetFlagsFromEnvVars(rootCmd)
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SetFlagsFromEnvVars(cmd)
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cmd.SetOut(cmd.OutOrStdout())
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err := util.InitLog(logLevel, "console")
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if err != nil {
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return fmt.Errorf("failed initializing log %v", err)
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}
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err = validateNATExternalIPs(natExternalIPs)
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if err != nil {
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return err
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}
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ctx := internal.CtxInitState(cmd.Context())
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if hostName != "" {
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// nolint
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ctx = context.WithValue(ctx, system.DeviceNameCtxKey, hostName)
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}
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if foregroundMode {
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return runInForegroundMode(ctx, cmd)
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}
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return runInDaemonMode(ctx, cmd)
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}
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func runInForegroundMode(ctx context.Context, cmd *cobra.Command) error {
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err := handleRebrand(cmd)
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if err != nil {
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return err
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}
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customDNSAddressConverted, err := parseCustomDNSAddress(cmd.Flag(dnsResolverAddress).Changed)
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if err != nil {
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return err
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}
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ic := internal.ConfigInput{
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ManagementURL: managementURL,
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AdminURL: adminURL,
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ConfigPath: configPath,
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NATExternalIPs: natExternalIPs,
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CustomDNSAddress: customDNSAddressConverted,
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ExtraIFaceBlackList: extraIFaceBlackList,
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}
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if cmd.Flag(enableRosenpassFlag).Changed {
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ic.RosenpassEnabled = &rosenpassEnabled
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}
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if cmd.Flag(rosenpassPermissiveFlag).Changed {
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ic.RosenpassPermissive = &rosenpassPermissive
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}
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if cmd.Flag(serverSSHAllowedFlag).Changed {
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ic.ServerSSHAllowed = &serverSSHAllowed
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}
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if cmd.Flag(interfaceNameFlag).Changed {
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if err := parseInterfaceName(interfaceName); err != nil {
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return err
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}
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ic.InterfaceName = &interfaceName
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}
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if cmd.Flag(wireguardPortFlag).Changed {
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p := int(wireguardPort)
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ic.WireguardPort = &p
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}
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if cmd.Flag(networkMonitorFlag).Changed {
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ic.NetworkMonitor = &networkMonitor
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}
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if rootCmd.PersistentFlags().Changed(preSharedKeyFlag) {
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ic.PreSharedKey = &preSharedKey
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}
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if cmd.Flag(disableAutoConnectFlag).Changed {
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ic.DisableAutoConnect = &autoConnectDisabled
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if autoConnectDisabled {
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cmd.Println("Autoconnect has been disabled. The client won't connect automatically when the service starts.")
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}
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if !autoConnectDisabled {
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cmd.Println("Autoconnect has been enabled. The client will connect automatically when the service starts.")
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}
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}
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if cmd.Flag(dnsRouteIntervalFlag).Changed {
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ic.DNSRouteInterval = &dnsRouteInterval
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}
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providedSetupKey, err := getSetupKey()
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if err != nil {
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return err
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}
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config, err := internal.UpdateOrCreateConfig(ic)
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if err != nil {
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return fmt.Errorf("get config file: %v", err)
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}
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config, _ = internal.UpdateOldManagementURL(ctx, config, configPath)
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err = foregroundLogin(ctx, cmd, config, providedSetupKey)
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if err != nil {
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return fmt.Errorf("foreground login failed: %v", err)
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}
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var cancel context.CancelFunc
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ctx, cancel = context.WithCancel(ctx)
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SetupCloseHandler(ctx, cancel)
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r := peer.NewRecorder(config.ManagementURL.String())
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r.GetFullStatus()
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connectClient := internal.NewConnectClient(ctx, config, r)
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return connectClient.Run()
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}
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func runInDaemonMode(ctx context.Context, cmd *cobra.Command) error {
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customDNSAddressConverted, err := parseCustomDNSAddress(cmd.Flag(dnsResolverAddress).Changed)
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if err != nil {
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return err
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}
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conn, err := DialClientGRPCServer(ctx, daemonAddr)
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if err != nil {
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return fmt.Errorf("failed to connect to daemon error: %v\n"+
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"If the daemon is not running please run: "+
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"\nnetbird service install \nnetbird service start\n", err)
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}
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defer func() {
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err := conn.Close()
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if err != nil {
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log.Warnf("failed closing daemon gRPC client connection %v", err)
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return
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}
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}()
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client := proto.NewDaemonServiceClient(conn)
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status, err := client.Status(ctx, &proto.StatusRequest{})
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if err != nil {
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return fmt.Errorf("unable to get daemon status: %v", err)
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}
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if status.Status == string(internal.StatusConnected) {
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cmd.Println("Already connected")
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return nil
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}
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providedSetupKey, err := getSetupKey()
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if err != nil {
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return err
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}
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loginRequest := proto.LoginRequest{
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SetupKey: providedSetupKey,
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ManagementUrl: managementURL,
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AdminURL: adminURL,
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NatExternalIPs: natExternalIPs,
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CleanNATExternalIPs: natExternalIPs != nil && len(natExternalIPs) == 0,
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CustomDNSAddress: customDNSAddressConverted,
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IsLinuxDesktopClient: isLinuxRunningDesktop(),
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Hostname: hostName,
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ExtraIFaceBlacklist: extraIFaceBlackList,
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}
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if rootCmd.PersistentFlags().Changed(preSharedKeyFlag) {
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loginRequest.OptionalPreSharedKey = &preSharedKey
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}
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if cmd.Flag(enableRosenpassFlag).Changed {
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loginRequest.RosenpassEnabled = &rosenpassEnabled
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}
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if cmd.Flag(rosenpassPermissiveFlag).Changed {
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loginRequest.RosenpassPermissive = &rosenpassPermissive
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}
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if cmd.Flag(serverSSHAllowedFlag).Changed {
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loginRequest.ServerSSHAllowed = &serverSSHAllowed
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}
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if cmd.Flag(disableAutoConnectFlag).Changed {
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loginRequest.DisableAutoConnect = &autoConnectDisabled
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}
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if cmd.Flag(interfaceNameFlag).Changed {
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if err := parseInterfaceName(interfaceName); err != nil {
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return err
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}
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loginRequest.InterfaceName = &interfaceName
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}
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if cmd.Flag(wireguardPortFlag).Changed {
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wp := int64(wireguardPort)
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loginRequest.WireguardPort = &wp
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}
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if cmd.Flag(networkMonitorFlag).Changed {
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loginRequest.NetworkMonitor = &networkMonitor
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}
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if cmd.Flag(dnsRouteIntervalFlag).Changed {
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loginRequest.DnsRouteInterval = durationpb.New(dnsRouteInterval)
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}
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var loginErr error
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var loginResp *proto.LoginResponse
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err = WithBackOff(func() error {
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var backOffErr error
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loginResp, backOffErr = client.Login(ctx, &loginRequest)
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if s, ok := gstatus.FromError(backOffErr); ok && (s.Code() == codes.InvalidArgument ||
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s.Code() == codes.PermissionDenied ||
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s.Code() == codes.NotFound ||
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s.Code() == codes.Unimplemented) {
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loginErr = backOffErr
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return nil
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}
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return backOffErr
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})
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if err != nil {
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return fmt.Errorf("login backoff cycle failed: %v", err)
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}
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if loginErr != nil {
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return fmt.Errorf("login failed: %v", loginErr)
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}
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if loginResp.NeedsSSOLogin {
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openURL(cmd, loginResp.VerificationURIComplete, loginResp.UserCode)
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_, err = client.WaitSSOLogin(ctx, &proto.WaitSSOLoginRequest{UserCode: loginResp.UserCode, Hostname: hostName})
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if err != nil {
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return fmt.Errorf("waiting sso login failed with: %v", err)
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}
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}
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if _, err := client.Up(ctx, &proto.UpRequest{}); err != nil {
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return fmt.Errorf("call service up method: %v", err)
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}
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cmd.Println("Connected")
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return nil
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}
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func validateNATExternalIPs(list []string) error {
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for _, element := range list {
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if element == "" {
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return fmt.Errorf("empty string is not a valid input for %s", externalIPMapFlag)
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}
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subElements := strings.Split(element, "/")
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if len(subElements) > 2 {
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return fmt.Errorf("%s is not a valid input for %s. it should be formatted as \"String\" or \"String/String\"", element, externalIPMapFlag)
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}
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if len(subElements) == 1 && !isValidIP(subElements[0]) {
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return fmt.Errorf("%s is not a valid input for %s. it should be formatted as \"IP\" or \"IP/IP\", or \"IP/Interface Name\"", element, externalIPMapFlag)
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}
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last := 0
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for _, singleElement := range subElements {
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inputType, err := validateElement(singleElement)
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if err != nil {
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return fmt.Errorf("%s is not a valid input for %s. it should be an IP string or a network name", singleElement, externalIPMapFlag)
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}
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if last == interfaceInputType && inputType == interfaceInputType {
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return fmt.Errorf("%s is not a valid input for %s. it should not contain two interface names", element, externalIPMapFlag)
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}
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last = inputType
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}
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}
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return nil
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}
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func parseInterfaceName(name string) error {
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if runtime.GOOS != "darwin" {
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return nil
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}
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if strings.HasPrefix(name, "utun") {
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return nil
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}
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return fmt.Errorf("invalid interface name %s. Please use the prefix utun followed by a number on MacOS. e.g., utun1 or utun199", name)
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}
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func validateElement(element string) (int, error) {
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if isValidIP(element) {
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return ipInputType, nil
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}
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validIface, err := isValidInterface(element)
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if err != nil {
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return invalidInputType, fmt.Errorf("unable to validate the network interface name, error: %s", err)
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}
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if validIface {
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return interfaceInputType, nil
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}
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return interfaceInputType, fmt.Errorf("invalid IP or network interface name not found")
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}
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func isValidIP(ip string) bool {
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return net.ParseIP(ip) != nil
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}
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func isValidInterface(name string) (bool, error) {
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netInterfaces, err := net.Interfaces()
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if err != nil {
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return false, err
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}
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for _, iface := range netInterfaces {
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if iface.Name == name {
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return true, nil
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}
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}
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return false, nil
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}
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func parseCustomDNSAddress(modified bool) ([]byte, error) {
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var parsed []byte
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if modified {
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if !isValidAddrPort(customDNSAddress) {
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return nil, fmt.Errorf("%s is invalid, it should be formatted as IP:Port string or as an empty string like \"\"", customDNSAddress)
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}
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if customDNSAddress == "" && logFile != "console" {
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parsed = []byte("empty")
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} else {
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parsed = []byte(customDNSAddress)
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}
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}
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return parsed, nil
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}
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func isValidAddrPort(input string) bool {
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if input == "" {
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return true
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}
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_, err := netip.ParseAddrPort(input)
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return err == nil
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}
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