Add basic management screen.

lib/app/views/main_page.dart

@@ -10,6 +10,7 @@ import 'device_info_screen.dart';
 import '../models.dart';
 import '../state.dart';
 import '../../oath/views/oath_screen.dart';
+import '../../management/views/management_screen.dart';
 
 class MainPage extends ConsumerWidget {
   const MainPage({Key? key}) : super(key: key);
@@ -22,6 +23,8 @@ class MainPage extends ConsumerWidget {
     switch (subPage) {
       case SubPage.oath:
         return OathScreen(device);
+      case SubPage.management:
+        return ManagementScreen(device);
       default:
         return DeviceInfoScreen(device);
     }

lib/desktop/init.dart

@@ -6,9 +6,11 @@ import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:logging/logging.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import 'package:window_manager/window_manager.dart';
+import 'package:yubico_authenticator/management/state.dart';
 
 import '../oath/state.dart';
 import '../app/state.dart';
+import 'management/state.dart';
 import 'oath/state.dart';
 import 'rpc.dart';
 import 'devices.dart';
@@ -86,5 +88,6 @@ Future<List<Override>> initializeAndGetOverrides(
     credentialListProvider
         .overrideWithProvider(desktopOathCredentialListProvider),
     qrScannerProvider.overrideWithProvider(desktopQrScannerProvider),
+    managementStateProvider.overrideWithProvider(desktopManagementState),
   ];
 }

lib/desktop/management/state.dart

@@ -0,0 +1,85 @@
+import 'dart:async';
+import 'dart:convert';
+
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:logging/logging.dart';
+import 'package:yubico_authenticator/management/models.dart';
+
+import '../../app/models.dart';
+import '../../app/state.dart';
+import '../../management/state.dart';
+import '../rpc.dart';
+import '../state.dart';
+
+final _log = Logger('desktop.management.state');
+
+final _sessionProvider =
+    Provider.autoDispose.family<RpcNodeSession, DevicePath>(
+  (ref, devicePath) {
+    final protocol = ref.watch(currentDeviceProvider)!.when(
+          usbYubiKey: (path, name, pid, info) {
+            final interfaces = UsbInterfaces.forCapabilites(
+                info.config.enabledCapabilities[Transport.usb] ?? 0);
+            return [UsbInterface.ccid, UsbInterface.otp, UsbInterface.fido]
+                .firstWhere((iface) => iface.value & interfaces != 0);
+          },
+          nfcReader: (_, __) => UsbInterface.ccid,
+        );
+    return RpcNodeSession(
+        ref.watch(rpcProvider), devicePath, [protocol.name, 'management']);
+  },
+);
+
+final desktopManagementState = StateNotifierProvider.autoDispose
+    .family<ManagementStateNotifier, DeviceInfo?, DevicePath>(
+  (ref, devicePath) {
+    final session = ref.watch(_sessionProvider(devicePath));
+    final notifier = _DesktopManagementStateNotifier(session);
+    session.setErrorHandler('state-reset', (_) async {
+      ref.refresh(_sessionProvider(devicePath));
+    });
+    ref.onDispose(() {
+      session.unserErrorHandler('state-reset');
+    });
+    return notifier..refresh();
+  },
+);
+
+class _DesktopManagementStateNotifier extends ManagementStateNotifier {
+  final RpcNodeSession _session;
+  _DesktopManagementStateNotifier(this._session) : super();
+
+  void refresh() async {
+    var result = await _session.command('get');
+    _log.config('application status', jsonEncode(result));
+    if (mounted) {
+      state = DeviceInfo.fromJson(result['data']);
+    }
+  }
+
+  @override
+  Future<void> setMode(int mode,
+      {int challengeResponseTimeout = 0, int autoEjectTimeout = 0}) async {
+    await _session.command('set_mode', params: {
+      'mode': mode,
+      'challenge_response_timeout': challengeResponseTimeout,
+      'auto_eject_timeout': autoEjectTimeout,
+    });
+  }
+
+  @override
+  Future<void> writeConfig(DeviceConfig config,
+      {String currentLockCode = '',
+      String newLockCode = '',
+      bool reboot = false}) async {
+    if (reboot) {
+      state = null;
+    }
+    await _session.command('configure', params: {
+      ...config.toJson(),
+      'cur_lock_code': currentLockCode,
+      'new_lock_code': newLockCode,
+      'reboot': reboot,
+    });
+  }
+}

lib/management/models.dart

@@ -26,6 +26,82 @@ enum FormFactor {
   usbCBio,
 }
 
+enum UsbInterface { otp, fido, ccid }
+
+extension UsbInterfaces on UsbInterface {
+  int get value {
+    switch (this) {
+      case UsbInterface.otp:
+        return 0x01;
+      case UsbInterface.fido:
+        return 0x02;
+      case UsbInterface.ccid:
+        return 0x04;
+    }
+  }
+
+  static int forCapabilites(int capabilities) {
+    var interfaces = 0;
+    if (capabilities & Capability.otp.value != 0) {
+      interfaces |= UsbInterface.otp.value;
+    }
+    if (capabilities & (Capability.u2f.value | Capability.fido2.value) != 0) {
+      interfaces |= UsbInterface.fido.value;
+    }
+    if (capabilities &
+            (Capability.openpgp.value |
+                Capability.piv.value |
+                Capability.oath.value |
+                Capability.hsmauth.value) !=
+        0) {
+      interfaces |= UsbInterface.ccid.value;
+    }
+    return interfaces;
+  }
+}
+
+enum Capability { otp, u2f, openpgp, piv, oath, hsmauth, fido2 }
+
+extension CapabilityExtension on Capability {
+  int get value {
+    switch (this) {
+      case Capability.otp:
+        return 0x001;
+      case Capability.u2f:
+        return 0x002;
+      case Capability.openpgp:
+        return 0x008;
+      case Capability.piv:
+        return 0x010;
+      case Capability.oath:
+        return 0x020;
+      case Capability.hsmauth:
+        return 0x100;
+      case Capability.fido2:
+        return 0x200;
+    }
+  }
+
+  String get name {
+    switch (this) {
+      case Capability.otp:
+        return 'OTP';
+      case Capability.u2f:
+        return 'FIDO U2F';
+      case Capability.openpgp:
+        return 'OpenPGP';
+      case Capability.piv:
+        return 'PIV';
+      case Capability.oath:
+        return 'OATH';
+      case Capability.hsmauth:
+        return 'YubiHSM Auth';
+      case Capability.fido2:
+        return 'FIDO2';
+    }
+  }
+}
+
 @freezed
 class DeviceConfig with _$DeviceConfig {
   factory DeviceConfig(

lib/management/state.dart

@@ -0,0 +1,21 @@
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:yubico_authenticator/management/models.dart';
+
+import '../app/models.dart';
+
+final managementStateProvider = StateNotifierProvider.autoDispose
+    .family<ManagementStateNotifier, DeviceInfo?, DevicePath>(
+  (ref, devicePath) => throw UnimplementedError(),
+);
+
+abstract class ManagementStateNotifier extends StateNotifier<DeviceInfo?> {
+  ManagementStateNotifier() : super(null);
+
+  Future<void> writeConfig(DeviceConfig config,
+      {String currentLockCode = '',
+      String newLockCode = '',
+      bool reboot = false});
+
+  Future<void> setMode(int mode,
+      {int challengeResponseTimeout = 0, int autoEjectTimeout = 0});
+}

lib/management/views/management_screen.dart

@@ -0,0 +1,180 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:collection/collection.dart';
+
+import '../../app/models.dart';
+import '../models.dart';
+import '../state.dart';
+
+final _mapEquals = const DeepCollectionEquality().equals;
+
+class _CapabilityForm extends StatelessWidget {
+  final int capabilities;
+  final int enabled;
+  final Function(int) onChanged;
+  const _CapabilityForm(
+      {required this.capabilities,
+      required this.enabled,
+      required this.onChanged,
+      Key? key})
+      : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return Wrap(
+      spacing: 6.0,
+      runSpacing: 6.0,
+      children: Capability.values
+          .where((c) => capabilities & c.value != 0)
+          .map((c) => FilterChip(
+                showCheckmark: true,
+                selected: enabled & c.value != 0,
+                label: Text(c.name),
+                onSelected: (_) {
+                  onChanged(enabled ^ c.value);
+                },
+              ))
+          .toList(),
+    );
+  }
+}
+
+class _CapabilitiesForm extends StatefulWidget {
+  final DeviceInfo info;
+  final Function(Map<Transport, int>) onSubmit;
+
+  const _CapabilitiesForm(this.info, {required this.onSubmit, Key? key})
+      : super(key: key);
+
+  @override
+  State<StatefulWidget> createState() => _CapabilitiesFormState();
+}
+
+class _CapabilitiesFormState extends State<_CapabilitiesForm> {
+  late Map<Transport, int> _enabled;
+
+  @override
+  void initState() {
+    super.initState();
+    // Make sure to copy enabledCapabilites, not mutate the original.
+    _enabled = {...widget.info.config.enabledCapabilities};
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final usbCapabilities =
+        widget.info.supportedCapabilities[Transport.usb] ?? 0;
+    final nfcCapabilities =
+        widget.info.supportedCapabilities[Transport.nfc] ?? 0;
+
+    final changed =
+        !_mapEquals(widget.info.config.enabledCapabilities, _enabled);
+    final valid = changed && (_enabled[Transport.usb] ?? 0) > 0;
+
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.start,
+      children: [
+        if (usbCapabilities != 0)
+          const ListTile(
+            leading: Icon(Icons.usb),
+            title: Text('USB applications'),
+          ),
+        _CapabilityForm(
+          capabilities: usbCapabilities,
+          enabled: _enabled[Transport.usb] ?? 0,
+          onChanged: (enabled) {
+            setState(() {
+              _enabled[Transport.usb] = enabled;
+            });
+          },
+        ),
+        if (nfcCapabilities != 0)
+          const ListTile(
+            leading: Icon(Icons.wifi),
+            title: Text('NFC applications'),
+          ),
+        _CapabilityForm(
+          capabilities: nfcCapabilities,
+          enabled: _enabled[Transport.nfc] ?? 0,
+          onChanged: (enabled) {
+            setState(() {
+              _enabled[Transport.nfc] = enabled;
+            });
+          },
+        ),
+        Container(
+          padding: const EdgeInsets.all(16.0),
+          alignment: Alignment.centerRight,
+          child: ElevatedButton(
+            onPressed: valid
+                ? () {
+                    widget.onSubmit(_enabled);
+                  }
+                : null,
+            child: const Text('Apply changes'),
+          ),
+        )
+      ],
+    );
+  }
+}
+
+class ManagementScreen extends ConsumerWidget {
+  final YubiKeyData deviceData;
+  const ManagementScreen(this.deviceData, {Key? key}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final state = ref.watch(managementStateProvider(deviceData.node.path));
+
+    if (state == null) {
+      return Column(
+        mainAxisAlignment: MainAxisAlignment.center,
+        children: const [
+          Center(child: CircularProgressIndicator()),
+        ],
+      );
+    }
+
+    return ListView(
+      children: [
+        _CapabilitiesForm(state, onSubmit: (enabled) async {
+          final bool reboot;
+          if (deviceData.node is UsbYubiKeyNode) {
+            final oldInterfaces = UsbInterfaces.forCapabilites(
+                state.config.enabledCapabilities[Transport.usb] ?? 0);
+            final newInterfaces =
+                UsbInterfaces.forCapabilites(enabled[Transport.usb] ?? 0);
+            reboot = oldInterfaces != newInterfaces;
+          } else {
+            reboot = false;
+          }
+
+          Function()? close;
+          try {
+            if (reboot) {
+              close = ScaffoldMessenger.of(context)
+                  .showSnackBar(const SnackBar(
+                    content: Text('Updating configuration...'),
+                    duration: Duration(seconds: 8),
+                  ))
+                  .close;
+            }
+            await ref
+                .read(managementStateProvider(deviceData.node.path).notifier)
+                .writeConfig(
+                  state.config.copyWith(enabledCapabilities: enabled),
+                  reboot: reboot,
+                );
+            ScaffoldMessenger.of(context).showSnackBar(const SnackBar(
+              content: Text('Configuration updated'),
+              duration: Duration(seconds: 2),
+            ));
+          } finally {
+            close?.call();
+          }
+        })
+      ],
+    );
+  }
+}

ykman-rpc/rpc/management.py

@@ -27,14 +27,23 @@
 
 
 from .base import RpcNode, action
-from yubikit.core import require_version, NotSupportedError
+from yubikit.core import require_version, NotSupportedError, TRANSPORT
-from yubikit.management import ManagementSession, DeviceConfig
+from yubikit.core.smartcard import SmartCardConnection
+from yubikit.core.otp import OtpConnection
+from yubikit.core.fido import FidoConnection
+from yubikit.management import ManagementSession, DeviceConfig, USB_INTERFACE
+from ykman.device import connect_to_device
 from dataclasses import asdict
+from time import sleep
+import logging
+
+logger = logging.getLogger(__name__)
 
 
 class ManagementNode(RpcNode):
     def __init__(self, connection):
         super().__init__()
+        self._connection_type = type(connection)
         self.session = ManagementSession(connection)
 
     def get_data(self):
@@ -49,6 +58,41 @@ class ManagementNode(RpcNode):
             actions.remove("configure")
         return actions
 
+    def _await_reboot(self, serial, usb_enabled):
+        # TODO: Clean up once "support" is merged into ykman.
+        iface = USB_INTERFACE.for_capabilities(usb_enabled)
+        connection_types = []
+
+        # Prefer to use the "same" connection type as before
+        if iface.supports_connection(self._connection_type):
+            if issubclass(self._connection_type, SmartCardConnection):
+                connection_types = [SmartCardConnection]
+            elif issubclass(self._connection_type, OtpConnection):
+                connection_types = [OtpConnection]
+            elif issubclass(self._connection_type, FidoConnection):
+                connection_types = [FidoConnection]
+
+        # Allow any expected connection type
+        if not connection_types:
+            connection_types = [
+                t
+                for t in [SmartCardConnection, OtpConnection, FidoConnection]
+                if iface.supports_connection(t)
+            ]
+
+        self.session.close()
+        logger.debug("Waiting for device to re-appear...")
+        for _ in range(10):
+            sleep(0.2)  # Always sleep initially
+            try:
+                conn = connect_to_device(serial, connection_types)[0]
+                conn.close()
+                break
+            except ValueError:
+                logger.debug("Not found, sleep...")
+        else:
+            logger.warning("Timed out waiting for device")
+
     @action
     def configure(self, params, event, signal):
         reboot = params.pop("reboot", False)
@@ -60,7 +104,11 @@ class ManagementNode(RpcNode):
             params.pop("challenge_response_timeout", None),
             params.pop("device_flags", None),
         )
+        serial = self.session.read_device_info().serial
         self.session.write_device_config(config, reboot, cur_lock_code, new_lock_code)
+        if reboot:
+            enabled = config.enabled_capabilities.get(TRANSPORT.USB)
+            self._await_reboot(serial, enabled)
         return dict()
 
     @action