Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2014 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License |
| 15 | */ |
| 16 | |
| 17 | package com.android.server.trust; |
| 18 | |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 19 | import android.Manifest; |
Andrew Scull | 85a63bc | 2016-10-24 13:47:47 +0100 | [diff] [blame] | 20 | import android.annotation.UserIdInt; |
Adrian Roos | bcd0765 | 2014-10-22 16:57:16 +0200 | [diff] [blame] | 21 | import android.app.ActivityManager; |
Vishwath Mohan | 15f7dd0 | 2018-12-12 11:15:08 -0800 | [diff] [blame] | 22 | import android.app.AlarmManager; |
| 23 | import android.app.AlarmManager.OnAlarmListener; |
Adrian Roos | ca36b95 | 2014-05-16 18:52:29 +0200 | [diff] [blame] | 24 | import android.app.admin.DevicePolicyManager; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 25 | import android.app.trust.ITrustListener; |
| 26 | import android.app.trust.ITrustManager; |
Adrian Roos | ca36b95 | 2014-05-16 18:52:29 +0200 | [diff] [blame] | 27 | import android.content.BroadcastReceiver; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 28 | import android.content.ComponentName; |
Vishwath Mohan | 15f7dd0 | 2018-12-12 11:15:08 -0800 | [diff] [blame] | 29 | import android.content.ContentResolver; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 30 | import android.content.Context; |
| 31 | import android.content.Intent; |
Adrian Roos | ca36b95 | 2014-05-16 18:52:29 +0200 | [diff] [blame] | 32 | import android.content.IntentFilter; |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 33 | import android.content.pm.ApplicationInfo; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 34 | import android.content.pm.PackageManager; |
| 35 | import android.content.pm.ResolveInfo; |
| 36 | import android.content.pm.UserInfo; |
| 37 | import android.content.res.Resources; |
| 38 | import android.content.res.TypedArray; |
| 39 | import android.content.res.XmlResourceParser; |
Vishwath Mohan | 15f7dd0 | 2018-12-12 11:15:08 -0800 | [diff] [blame] | 40 | import android.database.ContentObserver; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 41 | import android.graphics.drawable.Drawable; |
Dmitry Dementyev | 3857968 | 2019-01-22 13:41:34 -0800 | [diff] [blame] | 42 | import android.hardware.biometrics.BiometricSourceType; |
Vishwath Mohan | 15f7dd0 | 2018-12-12 11:15:08 -0800 | [diff] [blame] | 43 | import android.net.Uri; |
Adrian Roos | bcd0765 | 2014-10-22 16:57:16 +0200 | [diff] [blame] | 44 | import android.os.Binder; |
Adrian Roos | 5d63978 | 2016-07-21 11:43:02 -0700 | [diff] [blame] | 45 | import android.os.Build; |
Adrian Roos | a4ba56b | 2014-05-20 12:56:25 +0200 | [diff] [blame] | 46 | import android.os.DeadObjectException; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 47 | import android.os.Handler; |
| 48 | import android.os.IBinder; |
| 49 | import android.os.Message; |
Jim Miller | e303bf4 | 2014-08-26 17:12:29 -0700 | [diff] [blame] | 50 | import android.os.PersistableBundle; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 51 | import android.os.RemoteException; |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 52 | import android.os.SystemClock; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 53 | import android.os.UserHandle; |
| 54 | import android.os.UserManager; |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 55 | import android.provider.Settings; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 56 | import android.service.trust.TrustAgentService; |
Zachary Iqbal | 666484d | 2017-03-31 19:10:09 -0700 | [diff] [blame] | 57 | import android.text.TextUtils; |
Vishwath Mohan | 15f7dd0 | 2018-12-12 11:15:08 -0800 | [diff] [blame] | 58 | import android.util.ArrayMap; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 59 | import android.util.ArraySet; |
| 60 | import android.util.AttributeSet; |
Adrian Roos | 18ea893 | 2014-05-28 14:53:06 +0200 | [diff] [blame] | 61 | import android.util.Log; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 62 | import android.util.Slog; |
Adrian Roos | 7046bfd | 2014-05-16 21:20:54 +0200 | [diff] [blame] | 63 | import android.util.SparseBooleanArray; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 64 | import android.util.Xml; |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 65 | import android.view.IWindowManager; |
Adrian Roos | 50bfeec | 2014-11-20 16:21:11 +0100 | [diff] [blame] | 66 | import android.view.WindowManagerGlobal; |
Vishwath Mohan | 15f7dd0 | 2018-12-12 11:15:08 -0800 | [diff] [blame] | 67 | |
Lingjun Li | 93a145f | 2017-01-23 17:13:35 -0800 | [diff] [blame] | 68 | import com.android.internal.annotations.GuardedBy; |
| 69 | import com.android.internal.content.PackageMonitor; |
Jeff Sharkey | fe9a53b | 2017-03-31 14:08:23 -0600 | [diff] [blame] | 70 | import com.android.internal.util.DumpUtils; |
Lingjun Li | 93a145f | 2017-01-23 17:13:35 -0800 | [diff] [blame] | 71 | import com.android.internal.widget.LockPatternUtils; |
| 72 | import com.android.server.SystemService; |
Vishwath Mohan | 15f7dd0 | 2018-12-12 11:15:08 -0800 | [diff] [blame] | 73 | |
Dmitry Dementyev | 3857968 | 2019-01-22 13:41:34 -0800 | [diff] [blame] | 74 | import org.xmlpull.v1.XmlPullParser; |
| 75 | import org.xmlpull.v1.XmlPullParserException; |
| 76 | |
Adrian Roos | 7a4f3d4 | 2014-05-02 12:12:20 +0200 | [diff] [blame] | 77 | import java.io.FileDescriptor; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 78 | import java.io.IOException; |
Adrian Roos | 7a4f3d4 | 2014-05-02 12:12:20 +0200 | [diff] [blame] | 79 | import java.io.PrintWriter; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 80 | import java.util.ArrayList; |
| 81 | import java.util.List; |
Dmitry Dementyev | 3857968 | 2019-01-22 13:41:34 -0800 | [diff] [blame] | 82 | |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 83 | |
| 84 | /** |
| 85 | * Manages trust agents and trust listeners. |
| 86 | * |
| 87 | * It is responsible for binding to the enabled {@link android.service.trust.TrustAgentService}s |
| 88 | * of each user and notifies them about events that are relevant to them. |
| 89 | * It start and stops them based on the value of |
| 90 | * {@link com.android.internal.widget.LockPatternUtils#getEnabledTrustAgents(int)}. |
| 91 | * |
| 92 | * It also keeps a set of {@link android.app.trust.ITrustListener}s that are notified whenever the |
| 93 | * trust state changes for any user. |
| 94 | * |
| 95 | * Trust state and the setting of enabled agents is kept per user and each user has its own |
| 96 | * instance of a {@link android.service.trust.TrustAgentService}. |
| 97 | */ |
| 98 | public class TrustManagerService extends SystemService { |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 99 | private static final String TAG = "TrustManagerService"; |
Adrian Roos | 5d63978 | 2016-07-21 11:43:02 -0700 | [diff] [blame] | 100 | static final boolean DEBUG = Build.IS_DEBUGGABLE && Log.isLoggable(TAG, Log.VERBOSE); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 101 | |
| 102 | private static final Intent TRUST_AGENT_INTENT = |
| 103 | new Intent(TrustAgentService.SERVICE_INTERFACE); |
Adrian Roos | 18ea893 | 2014-05-28 14:53:06 +0200 | [diff] [blame] | 104 | private static final String PERMISSION_PROVIDE_AGENT = Manifest.permission.PROVIDE_TRUST_AGENT; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 105 | |
| 106 | private static final int MSG_REGISTER_LISTENER = 1; |
| 107 | private static final int MSG_UNREGISTER_LISTENER = 2; |
| 108 | private static final int MSG_DISPATCH_UNLOCK_ATTEMPT = 3; |
| 109 | private static final int MSG_ENABLED_AGENTS_CHANGED = 4; |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 110 | private static final int MSG_KEYGUARD_SHOWING_CHANGED = 6; |
| 111 | private static final int MSG_START_USER = 7; |
| 112 | private static final int MSG_CLEANUP_USER = 8; |
| 113 | private static final int MSG_SWITCH_USER = 9; |
Rubin Xu | 83a15bc | 2016-08-10 10:53:24 +0100 | [diff] [blame] | 114 | private static final int MSG_FLUSH_TRUST_USUALLY_MANAGED = 10; |
| 115 | private static final int MSG_UNLOCK_USER = 11; |
Andrew Scull | 85a63bc | 2016-10-24 13:47:47 +0100 | [diff] [blame] | 116 | private static final int MSG_STOP_USER = 12; |
Zachary Iqbal | 327323d | 2017-01-12 14:41:13 -0800 | [diff] [blame] | 117 | private static final int MSG_DISPATCH_UNLOCK_LOCKOUT = 13; |
Kevin Chyn | 3fdbbf8 | 2017-05-06 15:11:53 -0700 | [diff] [blame] | 118 | private static final int MSG_REFRESH_DEVICE_LOCKED_FOR_USER = 14; |
Vishwath Mohan | 15f7dd0 | 2018-12-12 11:15:08 -0800 | [diff] [blame] | 119 | private static final int MSG_SCHEDULE_TRUST_TIMEOUT = 15; |
Adrian Roos | c13723f | 2016-01-12 20:29:03 +0100 | [diff] [blame] | 120 | |
Adrian Roos | 517b3a4 | 2016-03-03 14:58:33 -0800 | [diff] [blame] | 121 | private static final int TRUST_USUALLY_MANAGED_FLUSH_DELAY = 2 * 60 * 1000; |
Vishwath Mohan | 15f7dd0 | 2018-12-12 11:15:08 -0800 | [diff] [blame] | 122 | private static final String TRUST_TIMEOUT_ALARM_TAG = "TrustManagerService.trustTimeoutForUser"; |
Dmitry Dementyev | 3857968 | 2019-01-22 13:41:34 -0800 | [diff] [blame] | 123 | private static final long TRUST_TIMEOUT_IN_MILLIS = 4 * 60 * 60 * 1000; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 124 | |
Adrian Roos | b5e4722 | 2015-08-14 15:53:06 -0700 | [diff] [blame] | 125 | private final ArraySet<AgentInfo> mActiveAgents = new ArraySet<>(); |
| 126 | private final ArrayList<ITrustListener> mTrustListeners = new ArrayList<>(); |
Adrian Roos | 9dbe190 | 2014-08-13 18:25:52 +0200 | [diff] [blame] | 127 | private final Receiver mReceiver = new Receiver(); |
Adrian Roos | b5e4722 | 2015-08-14 15:53:06 -0700 | [diff] [blame] | 128 | |
Adrian Roos | 7a4f3d4 | 2014-05-02 12:12:20 +0200 | [diff] [blame] | 129 | /* package */ final TrustArchive mArchive = new TrustArchive(); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 130 | private final Context mContext; |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 131 | private final LockPatternUtils mLockPatternUtils; |
Adrian Roos | bcd0765 | 2014-10-22 16:57:16 +0200 | [diff] [blame] | 132 | private final UserManager mUserManager; |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 133 | private final ActivityManager mActivityManager; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 134 | |
Adrian Roos | bcd0765 | 2014-10-22 16:57:16 +0200 | [diff] [blame] | 135 | @GuardedBy("mUserIsTrusted") |
| 136 | private final SparseBooleanArray mUserIsTrusted = new SparseBooleanArray(); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 137 | |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 138 | @GuardedBy("mDeviceLockedForUser") |
| 139 | private final SparseBooleanArray mDeviceLockedForUser = new SparseBooleanArray(); |
| 140 | |
Kevin Chyn | 3fdbbf8 | 2017-05-06 15:11:53 -0700 | [diff] [blame] | 141 | @GuardedBy("mTrustUsuallyManagedForUser") |
Adrian Roos | c13723f | 2016-01-12 20:29:03 +0100 | [diff] [blame] | 142 | private final SparseBooleanArray mTrustUsuallyManagedForUser = new SparseBooleanArray(); |
| 143 | |
Kevin Chyn | 3fdbbf8 | 2017-05-06 15:11:53 -0700 | [diff] [blame] | 144 | // set to true only if user can skip bouncer |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 145 | @GuardedBy("mUsersUnlockedByBiometric") |
| 146 | private final SparseBooleanArray mUsersUnlockedByBiometric = new SparseBooleanArray(); |
Kevin Chyn | 3fdbbf8 | 2017-05-06 15:11:53 -0700 | [diff] [blame] | 147 | |
Vishwath Mohan | 15f7dd0 | 2018-12-12 11:15:08 -0800 | [diff] [blame] | 148 | private final ArrayMap<Integer, TrustTimeoutAlarmListener> mTrustTimeoutAlarmListenerForUser = |
| 149 | new ArrayMap<>(); |
| 150 | private AlarmManager mAlarmManager; |
| 151 | private final SettingsObserver mSettingsObserver; |
| 152 | |
Rakesh Iyer | a7aa4d6 | 2016-01-19 17:27:23 -0800 | [diff] [blame] | 153 | private final StrongAuthTracker mStrongAuthTracker; |
| 154 | |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 155 | private boolean mTrustAgentsCanRun = false; |
Xiaohui Chen | 09e0291 | 2015-08-05 09:44:56 -0700 | [diff] [blame] | 156 | private int mCurrentUser = UserHandle.USER_SYSTEM; |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 157 | |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 158 | public TrustManagerService(Context context) { |
| 159 | super(context); |
| 160 | mContext = context; |
| 161 | mUserManager = (UserManager) mContext.getSystemService(Context.USER_SERVICE); |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 162 | mActivityManager = (ActivityManager) mContext.getSystemService(Context.ACTIVITY_SERVICE); |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 163 | mLockPatternUtils = new LockPatternUtils(context); |
Adrian Roos | 517b3a4 | 2016-03-03 14:58:33 -0800 | [diff] [blame] | 164 | mStrongAuthTracker = new StrongAuthTracker(context); |
Vishwath Mohan | 15f7dd0 | 2018-12-12 11:15:08 -0800 | [diff] [blame] | 165 | mAlarmManager = (AlarmManager) mContext.getSystemService(Context.ALARM_SERVICE); |
| 166 | mSettingsObserver = new SettingsObserver(mHandler); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 167 | } |
| 168 | |
| 169 | @Override |
| 170 | public void onStart() { |
| 171 | publishBinderService(Context.TRUST_SERVICE, mService); |
| 172 | } |
| 173 | |
| 174 | @Override |
| 175 | public void onBootPhase(int phase) { |
Adrian Roos | 49d5345 | 2014-10-24 15:48:39 +0200 | [diff] [blame] | 176 | if (isSafeMode()) { |
| 177 | // No trust agents in safe mode. |
| 178 | return; |
| 179 | } |
| 180 | if (phase == SystemService.PHASE_SYSTEM_SERVICES_READY) { |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 181 | mPackageMonitor.register(mContext, mHandler.getLooper(), UserHandle.ALL, true); |
Adrian Roos | 9dbe190 | 2014-08-13 18:25:52 +0200 | [diff] [blame] | 182 | mReceiver.register(mContext); |
Adrian Roos | b5e4722 | 2015-08-14 15:53:06 -0700 | [diff] [blame] | 183 | mLockPatternUtils.registerStrongAuthTracker(mStrongAuthTracker); |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 184 | } else if (phase == SystemService.PHASE_THIRD_PARTY_APPS_CAN_START) { |
| 185 | mTrustAgentsCanRun = true; |
Marco Fucci | 4e68f11 | 2014-08-29 12:31:48 -0700 | [diff] [blame] | 186 | refreshAgentList(UserHandle.USER_ALL); |
Xiaohui Chen | 605733b | 2016-05-19 16:39:09 -0700 | [diff] [blame] | 187 | refreshDeviceLockedForUser(UserHandle.USER_ALL); |
Adrian Roos | 49d5345 | 2014-10-24 15:48:39 +0200 | [diff] [blame] | 188 | } else if (phase == SystemService.PHASE_BOOT_COMPLETED) { |
Xiaohui Chen | 09e0291 | 2015-08-05 09:44:56 -0700 | [diff] [blame] | 189 | maybeEnableFactoryTrustAgents(mLockPatternUtils, UserHandle.USER_SYSTEM); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 190 | } |
| 191 | } |
| 192 | |
Vishwath Mohan | 15f7dd0 | 2018-12-12 11:15:08 -0800 | [diff] [blame] | 193 | // Extend unlock config and logic |
| 194 | |
| 195 | private final class SettingsObserver extends ContentObserver { |
| 196 | private final Uri TRUST_AGENTS_EXTEND_UNLOCK = |
| 197 | Settings.Secure.getUriFor(Settings.Secure.TRUST_AGENTS_EXTEND_UNLOCK); |
| 198 | |
| 199 | private final Uri LOCK_SCREEN_WHEN_TRUST_LOST = |
| 200 | Settings.Secure.getUriFor(Settings.Secure.LOCK_SCREEN_WHEN_TRUST_LOST); |
| 201 | |
| 202 | private final ContentResolver mContentResolver; |
| 203 | private boolean mTrustAgentsExtendUnlock; |
| 204 | private boolean mLockWhenTrustLost; |
| 205 | |
| 206 | /** |
| 207 | * Creates a settings observer |
| 208 | * |
| 209 | * @param handler The handler to run {@link #onChange} on, or null if none. |
| 210 | */ |
| 211 | SettingsObserver(Handler handler) { |
| 212 | super(handler); |
| 213 | mContentResolver = getContext().getContentResolver(); |
| 214 | updateContentObserver(); |
| 215 | } |
| 216 | |
| 217 | void updateContentObserver() { |
| 218 | mContentResolver.unregisterContentObserver(this); |
| 219 | mContentResolver.registerContentObserver(TRUST_AGENTS_EXTEND_UNLOCK, |
| 220 | false /* notifyForDescendents */, |
| 221 | this /* observer */, |
| 222 | mCurrentUser); |
| 223 | mContentResolver.registerContentObserver(LOCK_SCREEN_WHEN_TRUST_LOST, |
| 224 | false /* notifyForDescendents */, |
| 225 | this /* observer */, |
| 226 | mCurrentUser); |
| 227 | |
| 228 | // Update the value immediately |
| 229 | onChange(true /* selfChange */, TRUST_AGENTS_EXTEND_UNLOCK); |
| 230 | onChange(true /* selfChange */, LOCK_SCREEN_WHEN_TRUST_LOST); |
| 231 | } |
| 232 | |
| 233 | @Override |
| 234 | public void onChange(boolean selfChange, Uri uri) { |
| 235 | if (TRUST_AGENTS_EXTEND_UNLOCK.equals(uri)) { |
| 236 | mTrustAgentsExtendUnlock = |
| 237 | Settings.Secure.getIntForUser( |
| 238 | mContentResolver, |
| 239 | Settings.Secure.TRUST_AGENTS_EXTEND_UNLOCK, |
| 240 | 0 /* default */, |
| 241 | mCurrentUser) != 0; |
| 242 | } else if (LOCK_SCREEN_WHEN_TRUST_LOST.equals(uri)) { |
| 243 | mLockWhenTrustLost = |
| 244 | Settings.Secure.getIntForUser( |
| 245 | mContentResolver, |
| 246 | Settings.Secure.LOCK_SCREEN_WHEN_TRUST_LOST, |
| 247 | 0 /* default */, |
| 248 | mCurrentUser) != 0; |
| 249 | } |
| 250 | } |
| 251 | |
| 252 | boolean getTrustAgentsExtendUnlock() { |
| 253 | return mTrustAgentsExtendUnlock; |
| 254 | } |
| 255 | |
| 256 | boolean getLockWhenTrustLost() { |
| 257 | return mLockWhenTrustLost; |
| 258 | } |
| 259 | } |
| 260 | |
| 261 | private void maybeLockScreen(int userId) { |
| 262 | if (userId != mCurrentUser) { |
| 263 | return; |
| 264 | } |
| 265 | |
| 266 | if (mSettingsObserver.getLockWhenTrustLost()) { |
| 267 | if (DEBUG) Slog.d(TAG, "Locking device because trust was lost"); |
| 268 | try { |
| 269 | WindowManagerGlobal.getWindowManagerService().lockNow(null); |
| 270 | } catch (RemoteException e) { |
| 271 | Slog.e(TAG, "Error locking screen when trust was lost"); |
| 272 | } |
| 273 | |
| 274 | // If active unlocking is not allowed, cancel any pending trust timeouts because the |
| 275 | // screen is already locked. |
| 276 | TrustTimeoutAlarmListener alarm = mTrustTimeoutAlarmListenerForUser.get(userId); |
| 277 | if (alarm != null && mSettingsObserver.getTrustAgentsExtendUnlock()) { |
| 278 | mAlarmManager.cancel(alarm); |
| 279 | alarm.setQueued(false /* isQueued */); |
| 280 | } |
| 281 | } |
| 282 | } |
| 283 | |
| 284 | private void scheduleTrustTimeout(int userId, boolean override) { |
| 285 | int shouldOverride = override ? 1 : 0; |
| 286 | if (override) { |
| 287 | shouldOverride = 1; |
| 288 | } |
| 289 | mHandler.obtainMessage(MSG_SCHEDULE_TRUST_TIMEOUT, userId, shouldOverride).sendToTarget(); |
| 290 | } |
| 291 | |
| 292 | private void handleScheduleTrustTimeout(int userId, int shouldOverride) { |
| 293 | long when = SystemClock.elapsedRealtime() + TRUST_TIMEOUT_IN_MILLIS; |
| 294 | userId = mCurrentUser; |
| 295 | TrustTimeoutAlarmListener alarm = mTrustTimeoutAlarmListenerForUser.get(userId); |
| 296 | |
| 297 | // Cancel existing trust timeouts for this user if needed. |
| 298 | if (alarm != null) { |
| 299 | if (shouldOverride == 0 && alarm.isQueued()) { |
| 300 | if (DEBUG) Slog.d(TAG, "Found existing trust timeout alarm. Skipping."); |
| 301 | return; |
| 302 | } |
| 303 | mAlarmManager.cancel(alarm); |
| 304 | } else { |
| 305 | alarm = new TrustTimeoutAlarmListener(userId); |
| 306 | mTrustTimeoutAlarmListenerForUser.put(userId, alarm); |
| 307 | } |
| 308 | |
| 309 | if (DEBUG) Slog.d(TAG, "\tSetting up trust timeout alarm"); |
| 310 | alarm.setQueued(true /* isQueued */); |
| 311 | mAlarmManager.setExact( |
| 312 | AlarmManager.ELAPSED_REALTIME_WAKEUP, when, TRUST_TIMEOUT_ALARM_TAG, alarm, |
| 313 | mHandler); |
| 314 | } |
| 315 | |
| 316 | // Agent management |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 317 | |
| 318 | private static final class AgentInfo { |
| 319 | CharSequence label; |
| 320 | Drawable icon; |
| 321 | ComponentName component; // service that implements ITrustAgent |
Lingjun Li | 20914d7 | 2016-11-14 15:39:13 -0800 | [diff] [blame] | 322 | SettingsAttrs settings; // setting to launch to modify agent. |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 323 | TrustAgentWrapper agent; |
| 324 | int userId; |
| 325 | |
| 326 | @Override |
| 327 | public boolean equals(Object other) { |
| 328 | if (!(other instanceof AgentInfo)) { |
| 329 | return false; |
| 330 | } |
| 331 | AgentInfo o = (AgentInfo) other; |
| 332 | return component.equals(o.component) && userId == o.userId; |
| 333 | } |
| 334 | |
| 335 | @Override |
| 336 | public int hashCode() { |
| 337 | return component.hashCode() * 31 + userId; |
| 338 | } |
| 339 | } |
| 340 | |
| 341 | private void updateTrustAll() { |
| 342 | List<UserInfo> userInfos = mUserManager.getUsers(true /* excludeDying */); |
| 343 | for (UserInfo userInfo : userInfos) { |
Adrian Roos | 94e15a5 | 2015-04-16 12:23:18 -0700 | [diff] [blame] | 344 | updateTrust(userInfo.id, 0); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 345 | } |
| 346 | } |
| 347 | |
Vishwath Mohan | 15f7dd0 | 2018-12-12 11:15:08 -0800 | [diff] [blame] | 348 | |
Adrian Roos | 94e15a5 | 2015-04-16 12:23:18 -0700 | [diff] [blame] | 349 | public void updateTrust(int userId, int flags) { |
Vishwath Mohan | 15f7dd0 | 2018-12-12 11:15:08 -0800 | [diff] [blame] | 350 | updateTrust(userId, flags, false /* isFromUnlock */); |
| 351 | } |
| 352 | |
| 353 | private void updateTrust(int userId, int flags, boolean isFromUnlock) { |
Adrian Roos | c13723f | 2016-01-12 20:29:03 +0100 | [diff] [blame] | 354 | boolean managed = aggregateIsTrustManaged(userId); |
| 355 | dispatchOnTrustManagedChanged(managed, userId); |
| 356 | if (mStrongAuthTracker.isTrustAllowedForUser(userId) |
| 357 | && isTrustUsuallyManagedInternal(userId) != managed) { |
| 358 | updateTrustUsuallyManaged(userId, managed); |
| 359 | } |
Vishwath Mohan | 15f7dd0 | 2018-12-12 11:15:08 -0800 | [diff] [blame] | 360 | |
Adrian Roos | bcd0765 | 2014-10-22 16:57:16 +0200 | [diff] [blame] | 361 | boolean trusted = aggregateIsTrusted(userId); |
Vishwath Mohan | 15f7dd0 | 2018-12-12 11:15:08 -0800 | [diff] [blame] | 362 | IWindowManager wm = WindowManagerGlobal.getWindowManagerService(); |
| 363 | boolean showingKeyguard = true; |
| 364 | try { |
| 365 | showingKeyguard = wm.isKeyguardLocked(); |
| 366 | } catch (RemoteException e) { |
| 367 | } |
| 368 | |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 369 | boolean changed; |
Adrian Roos | bcd0765 | 2014-10-22 16:57:16 +0200 | [diff] [blame] | 370 | synchronized (mUserIsTrusted) { |
Chad Brubaker | c4c5257 | 2019-02-17 13:34:02 -0800 | [diff] [blame] | 371 | if (mSettingsObserver.getTrustAgentsExtendUnlock()) { |
| 372 | // In extend unlock trust agents can only set the device to trusted if it already |
| 373 | // trusted or the device is unlocked. Attempting to set the device as trusted |
| 374 | // when the device is locked will be ignored. |
| 375 | changed = mUserIsTrusted.get(userId) != trusted; |
| 376 | trusted = trusted |
| 377 | && (!showingKeyguard || isFromUnlock || !changed) |
| 378 | && userId == mCurrentUser; |
| 379 | if (DEBUG) { |
| 380 | Slog.d(TAG, "Extend unlock setting trusted as " + Boolean.toString(trusted) |
| 381 | + " && " + Boolean.toString(!showingKeyguard) |
| 382 | + " && " + Boolean.toString(userId == mCurrentUser)); |
| 383 | } |
| 384 | } |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 385 | changed = mUserIsTrusted.get(userId) != trusted; |
Adrian Roos | bcd0765 | 2014-10-22 16:57:16 +0200 | [diff] [blame] | 386 | mUserIsTrusted.put(userId, trusted); |
| 387 | } |
Adrian Roos | 94e15a5 | 2015-04-16 12:23:18 -0700 | [diff] [blame] | 388 | dispatchOnTrustChanged(trusted, userId, flags); |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 389 | if (changed) { |
| 390 | refreshDeviceLockedForUser(userId); |
Vishwath Mohan | 15f7dd0 | 2018-12-12 11:15:08 -0800 | [diff] [blame] | 391 | if (!trusted) { |
| 392 | maybeLockScreen(userId); |
| 393 | } else { |
| 394 | scheduleTrustTimeout(userId, false /* override */); |
| 395 | } |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 396 | } |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 397 | } |
| 398 | |
Adrian Roos | c13723f | 2016-01-12 20:29:03 +0100 | [diff] [blame] | 399 | private void updateTrustUsuallyManaged(int userId, boolean managed) { |
| 400 | synchronized (mTrustUsuallyManagedForUser) { |
| 401 | mTrustUsuallyManagedForUser.put(userId, managed); |
| 402 | } |
| 403 | // Wait a few minutes before committing to flash, in case the trust agent is transiently not |
| 404 | // managing trust (crashed, needs to acknowledge DPM restrictions, etc). |
| 405 | mHandler.removeMessages(MSG_FLUSH_TRUST_USUALLY_MANAGED); |
| 406 | mHandler.sendMessageDelayed( |
| 407 | mHandler.obtainMessage(MSG_FLUSH_TRUST_USUALLY_MANAGED), |
| 408 | TRUST_USUALLY_MANAGED_FLUSH_DELAY); |
| 409 | } |
| 410 | |
Lingjun Li | 93a145f | 2017-01-23 17:13:35 -0800 | [diff] [blame] | 411 | public long addEscrowToken(byte[] token, int userId) { |
| 412 | return mLockPatternUtils.addEscrowToken(token, userId); |
| 413 | } |
| 414 | |
| 415 | public boolean removeEscrowToken(long handle, int userId) { |
| 416 | return mLockPatternUtils.removeEscrowToken(handle, userId); |
| 417 | } |
| 418 | |
| 419 | public boolean isEscrowTokenActive(long handle, int userId) { |
| 420 | return mLockPatternUtils.isEscrowTokenActive(handle, userId); |
| 421 | } |
| 422 | |
| 423 | public void unlockUserWithToken(long handle, byte[] token, int userId) { |
| 424 | mLockPatternUtils.unlockUserWithToken(handle, token, userId); |
| 425 | } |
| 426 | |
Lucas Dupin | ef88654 | 2018-01-03 16:03:07 -0800 | [diff] [blame] | 427 | void showKeyguardErrorMessage(CharSequence message) { |
| 428 | dispatchOnTrustError(message); |
| 429 | } |
| 430 | |
Adrian Roos | 517b3a4 | 2016-03-03 14:58:33 -0800 | [diff] [blame] | 431 | void refreshAgentList(int userIdOrAll) { |
| 432 | if (DEBUG) Slog.d(TAG, "refreshAgentList(" + userIdOrAll + ")"); |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 433 | if (!mTrustAgentsCanRun) { |
Adrian Roos | 49d5345 | 2014-10-24 15:48:39 +0200 | [diff] [blame] | 434 | return; |
| 435 | } |
Adrian Roos | 517b3a4 | 2016-03-03 14:58:33 -0800 | [diff] [blame] | 436 | if (userIdOrAll != UserHandle.USER_ALL && userIdOrAll < UserHandle.USER_SYSTEM) { |
| 437 | Log.e(TAG, "refreshAgentList(userId=" + userIdOrAll + "): Invalid user handle," |
Adrian Roos | e681c27 | 2014-09-08 14:03:47 +0200 | [diff] [blame] | 438 | + " must be USER_ALL or a specific user.", new Throwable("here")); |
Adrian Roos | 517b3a4 | 2016-03-03 14:58:33 -0800 | [diff] [blame] | 439 | userIdOrAll = UserHandle.USER_ALL; |
Adrian Roos | e681c27 | 2014-09-08 14:03:47 +0200 | [diff] [blame] | 440 | } |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 441 | PackageManager pm = mContext.getPackageManager(); |
| 442 | |
Marco Fucci | 4e68f11 | 2014-08-29 12:31:48 -0700 | [diff] [blame] | 443 | List<UserInfo> userInfos; |
Adrian Roos | 517b3a4 | 2016-03-03 14:58:33 -0800 | [diff] [blame] | 444 | if (userIdOrAll == UserHandle.USER_ALL) { |
Marco Fucci | 4e68f11 | 2014-08-29 12:31:48 -0700 | [diff] [blame] | 445 | userInfos = mUserManager.getUsers(true /* excludeDying */); |
| 446 | } else { |
| 447 | userInfos = new ArrayList<>(); |
Adrian Roos | 517b3a4 | 2016-03-03 14:58:33 -0800 | [diff] [blame] | 448 | userInfos.add(mUserManager.getUserInfo(userIdOrAll)); |
Marco Fucci | 4e68f11 | 2014-08-29 12:31:48 -0700 | [diff] [blame] | 449 | } |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 450 | LockPatternUtils lockPatternUtils = mLockPatternUtils; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 451 | |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 452 | ArraySet<AgentInfo> obsoleteAgents = new ArraySet<>(); |
| 453 | obsoleteAgents.addAll(mActiveAgents); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 454 | |
| 455 | for (UserInfo userInfo : userInfos) { |
Adrian Roos | fc29e0b | 2014-11-11 12:55:44 +0100 | [diff] [blame] | 456 | if (userInfo == null || userInfo.partial || !userInfo.isEnabled() |
| 457 | || userInfo.guestToRemove) continue; |
Adrian Roos | 5d63978 | 2016-07-21 11:43:02 -0700 | [diff] [blame] | 458 | if (!userInfo.supportsSwitchToByUser()) { |
| 459 | if (DEBUG) Slog.d(TAG, "refreshAgentList: skipping user " + userInfo.id |
| 460 | + ": switchToByUser=false"); |
| 461 | continue; |
| 462 | } |
Adrian Roos | 5d63978 | 2016-07-21 11:43:02 -0700 | [diff] [blame] | 463 | if (!mActivityManager.isUserRunning(userInfo.id)) { |
| 464 | if (DEBUG) Slog.d(TAG, "refreshAgentList: skipping user " + userInfo.id |
| 465 | + ": user not started"); |
| 466 | continue; |
| 467 | } |
| 468 | if (!lockPatternUtils.isSecure(userInfo.id)) { |
| 469 | if (DEBUG) Slog.d(TAG, "refreshAgentList: skipping user " + userInfo.id |
| 470 | + ": no secure credential"); |
| 471 | continue; |
| 472 | } |
Lingjun Li | 20914d7 | 2016-11-14 15:39:13 -0800 | [diff] [blame] | 473 | |
Adrian Roos | 8f21158 | 2014-07-29 15:09:57 +0200 | [diff] [blame] | 474 | DevicePolicyManager dpm = lockPatternUtils.getDevicePolicyManager(); |
| 475 | int disabledFeatures = dpm.getKeyguardDisabledFeatures(null, userInfo.id); |
Jim Miller | 604e755 | 2014-07-18 19:00:02 -0700 | [diff] [blame] | 476 | final boolean disableTrustAgents = |
Adrian Roos | ca36b95 | 2014-05-16 18:52:29 +0200 | [diff] [blame] | 477 | (disabledFeatures & DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS) != 0; |
| 478 | |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 479 | List<ComponentName> enabledAgents = lockPatternUtils.getEnabledTrustAgents(userInfo.id); |
Adrian Roos | 8f21158 | 2014-07-29 15:09:57 +0200 | [diff] [blame] | 480 | if (enabledAgents == null) { |
Adrian Roos | 5d63978 | 2016-07-21 11:43:02 -0700 | [diff] [blame] | 481 | if (DEBUG) Slog.d(TAG, "refreshAgentList: skipping user " + userInfo.id |
| 482 | + ": no agents enabled by user"); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 483 | continue; |
| 484 | } |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 485 | List<ResolveInfo> resolveInfos = resolveAllowedTrustAgents(pm, userInfo.id); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 486 | for (ResolveInfo resolveInfo : resolveInfos) { |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 487 | ComponentName name = getComponentName(resolveInfo); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 488 | |
Adrian Roos | 5d63978 | 2016-07-21 11:43:02 -0700 | [diff] [blame] | 489 | if (!enabledAgents.contains(name)) { |
| 490 | if (DEBUG) Slog.d(TAG, "refreshAgentList: skipping " |
| 491 | + name.flattenToShortString() + " u"+ userInfo.id |
| 492 | + ": not enabled by user"); |
| 493 | continue; |
| 494 | } |
Adrian Roos | 8f21158 | 2014-07-29 15:09:57 +0200 | [diff] [blame] | 495 | if (disableTrustAgents) { |
Jim Miller | e303bf4 | 2014-08-26 17:12:29 -0700 | [diff] [blame] | 496 | List<PersistableBundle> config = |
| 497 | dpm.getTrustAgentConfiguration(null /* admin */, name, userInfo.id); |
Adrian Roos | 8f21158 | 2014-07-29 15:09:57 +0200 | [diff] [blame] | 498 | // Disable agent if no features are enabled. |
Adrian Roos | 5d63978 | 2016-07-21 11:43:02 -0700 | [diff] [blame] | 499 | if (config == null || config.isEmpty()) { |
| 500 | if (DEBUG) Slog.d(TAG, "refreshAgentList: skipping " |
| 501 | + name.flattenToShortString() + " u"+ userInfo.id |
| 502 | + ": not allowed by DPM"); |
| 503 | continue; |
| 504 | } |
Adrian Roos | 8f21158 | 2014-07-29 15:09:57 +0200 | [diff] [blame] | 505 | } |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 506 | AgentInfo agentInfo = new AgentInfo(); |
| 507 | agentInfo.component = name; |
| 508 | agentInfo.userId = userInfo.id; |
| 509 | if (!mActiveAgents.contains(agentInfo)) { |
| 510 | agentInfo.label = resolveInfo.loadLabel(pm); |
| 511 | agentInfo.icon = resolveInfo.loadIcon(pm); |
Lingjun Li | 20914d7 | 2016-11-14 15:39:13 -0800 | [diff] [blame] | 512 | agentInfo.settings = getSettingsAttrs(pm, resolveInfo); |
Lingjun Li | 20914d7 | 2016-11-14 15:39:13 -0800 | [diff] [blame] | 513 | } else { |
| 514 | int index = mActiveAgents.indexOf(agentInfo); |
| 515 | agentInfo = mActiveAgents.valueAt(index); |
| 516 | } |
| 517 | |
| 518 | boolean directUnlock = resolveInfo.serviceInfo.directBootAware |
| 519 | && agentInfo.settings.canUnlockProfile; |
| 520 | |
| 521 | if (directUnlock) { |
| 522 | if (DEBUG) Slog.d(TAG, "refreshAgentList: trustagent " + name |
| 523 | + "of user " + userInfo.id + "can unlock user profile."); |
| 524 | } |
| 525 | |
Jeff Sharkey | a65e649 | 2017-06-21 13:45:11 -0600 | [diff] [blame] | 526 | if (!mUserManager.isUserUnlockingOrUnlocked(userInfo.id) |
Lingjun Li | 20914d7 | 2016-11-14 15:39:13 -0800 | [diff] [blame] | 527 | && !directUnlock) { |
| 528 | if (DEBUG) Slog.d(TAG, "refreshAgentList: skipping user " + userInfo.id |
Lingjun Li | 93a145f | 2017-01-23 17:13:35 -0800 | [diff] [blame] | 529 | + "'s trust agent " + name + ": FBE still locked and " |
Lingjun Li | 20914d7 | 2016-11-14 15:39:13 -0800 | [diff] [blame] | 530 | + " the agent cannot unlock user profile."); |
| 531 | continue; |
| 532 | } |
| 533 | |
| 534 | if (!mStrongAuthTracker.canAgentsRunForUser(userInfo.id)) { |
| 535 | int flag = mStrongAuthTracker.getStrongAuthForUser(userInfo.id); |
Zachary Iqbal | 327323d | 2017-01-12 14:41:13 -0800 | [diff] [blame] | 536 | if (flag != StrongAuthTracker.STRONG_AUTH_REQUIRED_AFTER_LOCKOUT) { |
| 537 | if (flag != StrongAuthTracker.STRONG_AUTH_REQUIRED_AFTER_BOOT |
| 538 | || !directUnlock) { |
| 539 | if (DEBUG) |
| 540 | Slog.d(TAG, "refreshAgentList: skipping user " + userInfo.id |
| 541 | + ": prevented by StrongAuthTracker = 0x" |
| 542 | + Integer.toHexString(mStrongAuthTracker.getStrongAuthForUser( |
| 543 | userInfo.id))); |
| 544 | continue; |
| 545 | } |
Lingjun Li | 20914d7 | 2016-11-14 15:39:13 -0800 | [diff] [blame] | 546 | } |
| 547 | } |
| 548 | |
Adrian Roos | b884bb2 | 2017-05-03 11:33:51 -0700 | [diff] [blame] | 549 | if (agentInfo.agent == null) { |
| 550 | agentInfo.agent = new TrustAgentWrapper(mContext, this, |
| 551 | new Intent().setComponent(name), userInfo.getUserHandle()); |
| 552 | } |
| 553 | |
Lingjun Li | 20914d7 | 2016-11-14 15:39:13 -0800 | [diff] [blame] | 554 | if (!mActiveAgents.contains(agentInfo)) { |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 555 | mActiveAgents.add(agentInfo); |
| 556 | } else { |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 557 | obsoleteAgents.remove(agentInfo); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 558 | } |
| 559 | } |
| 560 | } |
| 561 | |
| 562 | boolean trustMayHaveChanged = false; |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 563 | for (int i = 0; i < obsoleteAgents.size(); i++) { |
| 564 | AgentInfo info = obsoleteAgents.valueAt(i); |
Adrian Roos | 517b3a4 | 2016-03-03 14:58:33 -0800 | [diff] [blame] | 565 | if (userIdOrAll == UserHandle.USER_ALL || userIdOrAll == info.userId) { |
Adrian Roos | e681c27 | 2014-09-08 14:03:47 +0200 | [diff] [blame] | 566 | if (info.agent.isManagingTrust()) { |
| 567 | trustMayHaveChanged = true; |
| 568 | } |
Adrian Roos | fc29e0b | 2014-11-11 12:55:44 +0100 | [diff] [blame] | 569 | info.agent.destroy(); |
Adrian Roos | e681c27 | 2014-09-08 14:03:47 +0200 | [diff] [blame] | 570 | mActiveAgents.remove(info); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 571 | } |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 572 | } |
| 573 | |
| 574 | if (trustMayHaveChanged) { |
Adrian Roos | 517b3a4 | 2016-03-03 14:58:33 -0800 | [diff] [blame] | 575 | if (userIdOrAll == UserHandle.USER_ALL) { |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 576 | updateTrustAll(); |
| 577 | } else { |
Adrian Roos | 517b3a4 | 2016-03-03 14:58:33 -0800 | [diff] [blame] | 578 | updateTrust(userIdOrAll, 0); |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 579 | } |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 580 | } |
| 581 | } |
| 582 | |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 583 | boolean isDeviceLockedInner(int userId) { |
| 584 | synchronized (mDeviceLockedForUser) { |
| 585 | return mDeviceLockedForUser.get(userId, true); |
| 586 | } |
| 587 | } |
| 588 | |
| 589 | private void refreshDeviceLockedForUser(int userId) { |
Xiaohui Chen | 09e0291 | 2015-08-05 09:44:56 -0700 | [diff] [blame] | 590 | if (userId != UserHandle.USER_ALL && userId < UserHandle.USER_SYSTEM) { |
Adrian Roos | 7e2e40e | 2014-11-21 15:27:12 +0100 | [diff] [blame] | 591 | Log.e(TAG, "refreshDeviceLockedForUser(userId=" + userId + "): Invalid user handle," |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 592 | + " must be USER_ALL or a specific user.", new Throwable("here")); |
| 593 | userId = UserHandle.USER_ALL; |
| 594 | } |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 595 | List<UserInfo> userInfos; |
| 596 | if (userId == UserHandle.USER_ALL) { |
| 597 | userInfos = mUserManager.getUsers(true /* excludeDying */); |
| 598 | } else { |
| 599 | userInfos = new ArrayList<>(); |
| 600 | userInfos.add(mUserManager.getUserInfo(userId)); |
| 601 | } |
| 602 | |
| 603 | IWindowManager wm = WindowManagerGlobal.getWindowManagerService(); |
| 604 | |
| 605 | for (int i = 0; i < userInfos.size(); i++) { |
| 606 | UserInfo info = userInfos.get(i); |
| 607 | |
Pavel Grafov | 259ca36 | 2018-07-27 14:04:57 +0100 | [diff] [blame] | 608 | if (info == null || info.partial || !info.isEnabled() || info.guestToRemove) { |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 609 | continue; |
| 610 | } |
| 611 | |
| 612 | int id = info.id; |
| 613 | boolean secure = mLockPatternUtils.isSecure(id); |
Pavel Grafov | 259ca36 | 2018-07-27 14:04:57 +0100 | [diff] [blame] | 614 | |
| 615 | if (!info.supportsSwitchToByUser()) { |
| 616 | if (info.isManagedProfile() && !secure) { |
| 617 | setDeviceLockedForUser(id, false); |
| 618 | } |
| 619 | continue; |
| 620 | } |
| 621 | |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 622 | boolean trusted = aggregateIsTrusted(id); |
| 623 | boolean showingKeyguard = true; |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 624 | boolean biometricAuthenticated = false; |
Kevin Chyn | 3fdbbf8 | 2017-05-06 15:11:53 -0700 | [diff] [blame] | 625 | |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 626 | if (mCurrentUser == id) { |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 627 | synchronized(mUsersUnlockedByBiometric) { |
| 628 | biometricAuthenticated = mUsersUnlockedByBiometric.get(id, false); |
Kevin Chyn | 3fdbbf8 | 2017-05-06 15:11:53 -0700 | [diff] [blame] | 629 | } |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 630 | try { |
| 631 | showingKeyguard = wm.isKeyguardLocked(); |
| 632 | } catch (RemoteException e) { |
| 633 | } |
| 634 | } |
Kevin Chyn | 3fdbbf8 | 2017-05-06 15:11:53 -0700 | [diff] [blame] | 635 | boolean deviceLocked = secure && showingKeyguard && !trusted && |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 636 | !biometricAuthenticated; |
Andrew Scull | 85a63bc | 2016-10-24 13:47:47 +0100 | [diff] [blame] | 637 | setDeviceLockedForUser(id, deviceLocked); |
| 638 | } |
| 639 | } |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 640 | |
Andrew Scull | 85a63bc | 2016-10-24 13:47:47 +0100 | [diff] [blame] | 641 | private void setDeviceLockedForUser(@UserIdInt int userId, boolean locked) { |
| 642 | final boolean changed; |
| 643 | synchronized (mDeviceLockedForUser) { |
| 644 | changed = isDeviceLockedInner(userId) != locked; |
| 645 | mDeviceLockedForUser.put(userId, locked); |
| 646 | } |
| 647 | if (changed) { |
| 648 | dispatchDeviceLocked(userId, locked); |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 649 | } |
| 650 | } |
| 651 | |
| 652 | private void dispatchDeviceLocked(int userId, boolean isLocked) { |
| 653 | for (int i = 0; i < mActiveAgents.size(); i++) { |
| 654 | AgentInfo agent = mActiveAgents.valueAt(i); |
| 655 | if (agent.userId == userId) { |
| 656 | if (isLocked) { |
| 657 | agent.agent.onDeviceLocked(); |
| 658 | } else{ |
| 659 | agent.agent.onDeviceUnlocked(); |
| 660 | } |
| 661 | } |
| 662 | } |
| 663 | } |
| 664 | |
Marco Fucci | 4e68f11 | 2014-08-29 12:31:48 -0700 | [diff] [blame] | 665 | void updateDevicePolicyFeatures() { |
Adrian Roos | 9d6fc92 | 2016-08-10 17:09:55 -0700 | [diff] [blame] | 666 | boolean changed = false; |
Adrian Roos | 8f21158 | 2014-07-29 15:09:57 +0200 | [diff] [blame] | 667 | for (int i = 0; i < mActiveAgents.size(); i++) { |
| 668 | AgentInfo info = mActiveAgents.valueAt(i); |
| 669 | if (info.agent.isConnected()) { |
| 670 | info.agent.updateDevicePolicyFeatures(); |
Adrian Roos | 9d6fc92 | 2016-08-10 17:09:55 -0700 | [diff] [blame] | 671 | changed = true; |
Adrian Roos | 8f21158 | 2014-07-29 15:09:57 +0200 | [diff] [blame] | 672 | } |
| 673 | } |
Adrian Roos | 9d6fc92 | 2016-08-10 17:09:55 -0700 | [diff] [blame] | 674 | if (changed) { |
| 675 | mArchive.logDevicePolicyChanged(); |
| 676 | } |
Adrian Roos | 8f21158 | 2014-07-29 15:09:57 +0200 | [diff] [blame] | 677 | } |
| 678 | |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 679 | private void removeAgentsOfPackage(String packageName) { |
| 680 | boolean trustMayHaveChanged = false; |
| 681 | for (int i = mActiveAgents.size() - 1; i >= 0; i--) { |
| 682 | AgentInfo info = mActiveAgents.valueAt(i); |
| 683 | if (packageName.equals(info.component.getPackageName())) { |
| 684 | Log.i(TAG, "Resetting agent " + info.component.flattenToShortString()); |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 685 | if (info.agent.isManagingTrust()) { |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 686 | trustMayHaveChanged = true; |
| 687 | } |
Adrian Roos | fc29e0b | 2014-11-11 12:55:44 +0100 | [diff] [blame] | 688 | info.agent.destroy(); |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 689 | mActiveAgents.removeAt(i); |
| 690 | } |
| 691 | } |
| 692 | if (trustMayHaveChanged) { |
| 693 | updateTrustAll(); |
| 694 | } |
| 695 | } |
| 696 | |
| 697 | public void resetAgent(ComponentName name, int userId) { |
| 698 | boolean trustMayHaveChanged = false; |
| 699 | for (int i = mActiveAgents.size() - 1; i >= 0; i--) { |
| 700 | AgentInfo info = mActiveAgents.valueAt(i); |
| 701 | if (name.equals(info.component) && userId == info.userId) { |
| 702 | Log.i(TAG, "Resetting agent " + info.component.flattenToShortString()); |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 703 | if (info.agent.isManagingTrust()) { |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 704 | trustMayHaveChanged = true; |
| 705 | } |
Adrian Roos | fc29e0b | 2014-11-11 12:55:44 +0100 | [diff] [blame] | 706 | info.agent.destroy(); |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 707 | mActiveAgents.removeAt(i); |
| 708 | } |
| 709 | } |
| 710 | if (trustMayHaveChanged) { |
Adrian Roos | 94e15a5 | 2015-04-16 12:23:18 -0700 | [diff] [blame] | 711 | updateTrust(userId, 0); |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 712 | } |
Marco Fucci | 4e68f11 | 2014-08-29 12:31:48 -0700 | [diff] [blame] | 713 | refreshAgentList(userId); |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 714 | } |
| 715 | |
Lingjun Li | 20914d7 | 2016-11-14 15:39:13 -0800 | [diff] [blame] | 716 | private SettingsAttrs getSettingsAttrs(PackageManager pm, ResolveInfo resolveInfo) { |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 717 | if (resolveInfo == null || resolveInfo.serviceInfo == null |
| 718 | || resolveInfo.serviceInfo.metaData == null) return null; |
| 719 | String cn = null; |
Lingjun Li | 20914d7 | 2016-11-14 15:39:13 -0800 | [diff] [blame] | 720 | boolean canUnlockProfile = false; |
| 721 | |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 722 | XmlResourceParser parser = null; |
| 723 | Exception caughtException = null; |
| 724 | try { |
| 725 | parser = resolveInfo.serviceInfo.loadXmlMetaData(pm, |
| 726 | TrustAgentService.TRUST_AGENT_META_DATA); |
| 727 | if (parser == null) { |
| 728 | Slog.w(TAG, "Can't find " + TrustAgentService.TRUST_AGENT_META_DATA + " meta-data"); |
| 729 | return null; |
| 730 | } |
| 731 | Resources res = pm.getResourcesForApplication(resolveInfo.serviceInfo.applicationInfo); |
| 732 | AttributeSet attrs = Xml.asAttributeSet(parser); |
| 733 | int type; |
| 734 | while ((type = parser.next()) != XmlPullParser.END_DOCUMENT |
| 735 | && type != XmlPullParser.START_TAG) { |
| 736 | // Drain preamble. |
| 737 | } |
| 738 | String nodeName = parser.getName(); |
Adrian Roos | 7e03dfc | 2014-05-16 16:06:28 +0200 | [diff] [blame] | 739 | if (!"trust-agent".equals(nodeName)) { |
| 740 | Slog.w(TAG, "Meta-data does not start with trust-agent tag"); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 741 | return null; |
| 742 | } |
| 743 | TypedArray sa = res |
| 744 | .obtainAttributes(attrs, com.android.internal.R.styleable.TrustAgent); |
| 745 | cn = sa.getString(com.android.internal.R.styleable.TrustAgent_settingsActivity); |
Lingjun Li | 20914d7 | 2016-11-14 15:39:13 -0800 | [diff] [blame] | 746 | canUnlockProfile = sa.getBoolean( |
| 747 | com.android.internal.R.styleable.TrustAgent_unlockProfile, false); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 748 | sa.recycle(); |
| 749 | } catch (PackageManager.NameNotFoundException e) { |
| 750 | caughtException = e; |
| 751 | } catch (IOException e) { |
| 752 | caughtException = e; |
| 753 | } catch (XmlPullParserException e) { |
| 754 | caughtException = e; |
| 755 | } finally { |
| 756 | if (parser != null) parser.close(); |
| 757 | } |
| 758 | if (caughtException != null) { |
| 759 | Slog.w(TAG, "Error parsing : " + resolveInfo.serviceInfo.packageName, caughtException); |
| 760 | return null; |
| 761 | } |
| 762 | if (cn == null) { |
| 763 | return null; |
| 764 | } |
| 765 | if (cn.indexOf('/') < 0) { |
| 766 | cn = resolveInfo.serviceInfo.packageName + "/" + cn; |
| 767 | } |
Lingjun Li | 20914d7 | 2016-11-14 15:39:13 -0800 | [diff] [blame] | 768 | return new SettingsAttrs(ComponentName.unflattenFromString(cn), canUnlockProfile); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 769 | } |
| 770 | |
| 771 | private ComponentName getComponentName(ResolveInfo resolveInfo) { |
| 772 | if (resolveInfo == null || resolveInfo.serviceInfo == null) return null; |
| 773 | return new ComponentName(resolveInfo.serviceInfo.packageName, resolveInfo.serviceInfo.name); |
| 774 | } |
| 775 | |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 776 | private void maybeEnableFactoryTrustAgents(LockPatternUtils utils, int userId) { |
Adrian Roos | 2f19ad4 | 2017-07-05 16:09:22 +0200 | [diff] [blame] | 777 | if (0 != Settings.Secure.getIntForUser(mContext.getContentResolver(), |
| 778 | Settings.Secure.TRUST_AGENTS_INITIALIZED, 0, userId)) { |
| 779 | return; |
| 780 | } |
| 781 | PackageManager pm = mContext.getPackageManager(); |
| 782 | List<ResolveInfo> resolveInfos = resolveAllowedTrustAgents(pm, userId); |
Zachary Iqbal | 666484d | 2017-03-31 19:10:09 -0700 | [diff] [blame] | 783 | ComponentName defaultAgent = getDefaultFactoryTrustAgent(mContext); |
| 784 | boolean shouldUseDefaultAgent = defaultAgent != null; |
Adrian Roos | 2f19ad4 | 2017-07-05 16:09:22 +0200 | [diff] [blame] | 785 | ArraySet<ComponentName> discoveredAgents = new ArraySet<>(); |
Zachary Iqbal | 666484d | 2017-03-31 19:10:09 -0700 | [diff] [blame] | 786 | |
| 787 | if (shouldUseDefaultAgent) { |
Adrian Roos | 2f19ad4 | 2017-07-05 16:09:22 +0200 | [diff] [blame] | 788 | discoveredAgents.add(defaultAgent); |
Zachary Iqbal | 666484d | 2017-03-31 19:10:09 -0700 | [diff] [blame] | 789 | Log.i(TAG, "Enabling " + defaultAgent + " because it is a default agent."); |
| 790 | } else { // A default agent is not set; perform regular trust agent discovery |
| 791 | for (ResolveInfo resolveInfo : resolveInfos) { |
| 792 | ComponentName componentName = getComponentName(resolveInfo); |
| 793 | int applicationInfoFlags = resolveInfo.serviceInfo.applicationInfo.flags; |
| 794 | if ((applicationInfoFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { |
| 795 | Log.i(TAG, "Leaving agent " + componentName + " disabled because package " |
| 796 | + "is not a system package."); |
| 797 | continue; |
| 798 | } |
| 799 | discoveredAgents.add(componentName); |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 800 | } |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 801 | } |
Adrian Roos | 2f19ad4 | 2017-07-05 16:09:22 +0200 | [diff] [blame] | 802 | |
| 803 | List<ComponentName> previouslyEnabledAgents = utils.getEnabledTrustAgents(userId); |
| 804 | if (previouslyEnabledAgents != null) { |
| 805 | discoveredAgents.addAll(previouslyEnabledAgents); |
| 806 | } |
| 807 | utils.setEnabledTrustAgents(discoveredAgents, userId); |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 808 | Settings.Secure.putIntForUser(mContext.getContentResolver(), |
| 809 | Settings.Secure.TRUST_AGENTS_INITIALIZED, 1, userId); |
| 810 | } |
| 811 | |
Zachary Iqbal | 666484d | 2017-03-31 19:10:09 -0700 | [diff] [blame] | 812 | /** |
| 813 | * Returns the {@link ComponentName} for the default trust agent, or {@code null} if there |
| 814 | * is no trust agent set. |
| 815 | */ |
| 816 | private static ComponentName getDefaultFactoryTrustAgent(Context context) { |
| 817 | String defaultTrustAgent = context.getResources() |
| 818 | .getString(com.android.internal.R.string.config_defaultTrustAgent); |
| 819 | if (TextUtils.isEmpty(defaultTrustAgent)) { |
| 820 | return null; |
| 821 | } |
| 822 | return ComponentName.unflattenFromString(defaultTrustAgent); |
| 823 | } |
| 824 | |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 825 | private List<ResolveInfo> resolveAllowedTrustAgents(PackageManager pm, int userId) { |
| 826 | List<ResolveInfo> resolveInfos = pm.queryIntentServicesAsUser(TRUST_AGENT_INTENT, |
Lingjun Li | 20914d7 | 2016-11-14 15:39:13 -0800 | [diff] [blame] | 827 | PackageManager.GET_META_DATA | |
Adrian Roos | 68771eb | 2016-05-03 14:02:36 -0700 | [diff] [blame] | 828 | PackageManager.MATCH_DIRECT_BOOT_AWARE | PackageManager.MATCH_DIRECT_BOOT_UNAWARE, |
| 829 | userId); |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 830 | ArrayList<ResolveInfo> allowedAgents = new ArrayList<>(resolveInfos.size()); |
| 831 | for (ResolveInfo resolveInfo : resolveInfos) { |
| 832 | if (resolveInfo.serviceInfo == null) continue; |
| 833 | if (resolveInfo.serviceInfo.applicationInfo == null) continue; |
| 834 | String packageName = resolveInfo.serviceInfo.packageName; |
| 835 | if (pm.checkPermission(PERMISSION_PROVIDE_AGENT, packageName) |
| 836 | != PackageManager.PERMISSION_GRANTED) { |
| 837 | ComponentName name = getComponentName(resolveInfo); |
| 838 | Log.w(TAG, "Skipping agent " + name + " because package does not have" |
| 839 | + " permission " + PERMISSION_PROVIDE_AGENT + "."); |
| 840 | continue; |
| 841 | } |
| 842 | allowedAgents.add(resolveInfo); |
| 843 | } |
| 844 | return allowedAgents; |
| 845 | } |
| 846 | |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 847 | // Agent dispatch and aggregation |
| 848 | |
| 849 | private boolean aggregateIsTrusted(int userId) { |
Adrian Roos | b5e4722 | 2015-08-14 15:53:06 -0700 | [diff] [blame] | 850 | if (!mStrongAuthTracker.isTrustAllowedForUser(userId)) { |
Adrian Roos | 7046bfd | 2014-05-16 21:20:54 +0200 | [diff] [blame] | 851 | return false; |
| 852 | } |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 853 | for (int i = 0; i < mActiveAgents.size(); i++) { |
| 854 | AgentInfo info = mActiveAgents.valueAt(i); |
| 855 | if (info.userId == userId) { |
| 856 | if (info.agent.isTrusted()) { |
| 857 | return true; |
| 858 | } |
| 859 | } |
| 860 | } |
| 861 | return false; |
| 862 | } |
| 863 | |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 864 | private boolean aggregateIsTrustManaged(int userId) { |
Adrian Roos | b5e4722 | 2015-08-14 15:53:06 -0700 | [diff] [blame] | 865 | if (!mStrongAuthTracker.isTrustAllowedForUser(userId)) { |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 866 | return false; |
| 867 | } |
| 868 | for (int i = 0; i < mActiveAgents.size(); i++) { |
| 869 | AgentInfo info = mActiveAgents.valueAt(i); |
| 870 | if (info.userId == userId) { |
| 871 | if (info.agent.isManagingTrust()) { |
| 872 | return true; |
| 873 | } |
| 874 | } |
| 875 | } |
| 876 | return false; |
| 877 | } |
| 878 | |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 879 | private void dispatchUnlockAttempt(boolean successful, int userId) { |
Adrian Roos | 517b3a4 | 2016-03-03 14:58:33 -0800 | [diff] [blame] | 880 | if (successful) { |
| 881 | mStrongAuthTracker.allowTrustFromUnlock(userId); |
Vishwath Mohan | 15f7dd0 | 2018-12-12 11:15:08 -0800 | [diff] [blame] | 882 | // Allow the presence of trust on a successful unlock attempt to extend unlock. |
| 883 | updateTrust(userId, 0 /* flags */, true); |
Adrian Roos | 517b3a4 | 2016-03-03 14:58:33 -0800 | [diff] [blame] | 884 | } |
| 885 | |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 886 | for (int i = 0; i < mActiveAgents.size(); i++) { |
| 887 | AgentInfo info = mActiveAgents.valueAt(i); |
| 888 | if (info.userId == userId) { |
| 889 | info.agent.onUnlockAttempt(successful); |
| 890 | } |
| 891 | } |
Adrian Roos | 2c12cfa | 2014-06-25 23:28:53 +0200 | [diff] [blame] | 892 | } |
| 893 | |
Zachary Iqbal | 327323d | 2017-01-12 14:41:13 -0800 | [diff] [blame] | 894 | private void dispatchUnlockLockout(int timeoutMs, int userId) { |
| 895 | for (int i = 0; i < mActiveAgents.size(); i++) { |
| 896 | AgentInfo info = mActiveAgents.valueAt(i); |
| 897 | if (info.userId == userId) { |
| 898 | info.agent.onUnlockLockout(timeoutMs); |
| 899 | } |
| 900 | } |
| 901 | } |
| 902 | |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 903 | // Listeners |
| 904 | |
| 905 | private void addListener(ITrustListener listener) { |
| 906 | for (int i = 0; i < mTrustListeners.size(); i++) { |
| 907 | if (mTrustListeners.get(i).asBinder() == listener.asBinder()) { |
| 908 | return; |
| 909 | } |
| 910 | } |
| 911 | mTrustListeners.add(listener); |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 912 | updateTrustAll(); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 913 | } |
| 914 | |
| 915 | private void removeListener(ITrustListener listener) { |
| 916 | for (int i = 0; i < mTrustListeners.size(); i++) { |
| 917 | if (mTrustListeners.get(i).asBinder() == listener.asBinder()) { |
Jay Civelli | 979a32e | 2014-07-18 16:47:36 -0700 | [diff] [blame] | 918 | mTrustListeners.remove(i); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 919 | return; |
| 920 | } |
| 921 | } |
| 922 | } |
| 923 | |
Adrian Roos | 94e15a5 | 2015-04-16 12:23:18 -0700 | [diff] [blame] | 924 | private void dispatchOnTrustChanged(boolean enabled, int userId, int flags) { |
Adrian Roos | 517b3a4 | 2016-03-03 14:58:33 -0800 | [diff] [blame] | 925 | if (DEBUG) { |
| 926 | Log.i(TAG, "onTrustChanged(" + enabled + ", " + userId + ", 0x" |
| 927 | + Integer.toHexString(flags) + ")"); |
| 928 | } |
Adrian Roos | 94e15a5 | 2015-04-16 12:23:18 -0700 | [diff] [blame] | 929 | if (!enabled) flags = 0; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 930 | for (int i = 0; i < mTrustListeners.size(); i++) { |
| 931 | try { |
Adrian Roos | 94e15a5 | 2015-04-16 12:23:18 -0700 | [diff] [blame] | 932 | mTrustListeners.get(i).onTrustChanged(enabled, userId, flags); |
Adrian Roos | a4ba56b | 2014-05-20 12:56:25 +0200 | [diff] [blame] | 933 | } catch (DeadObjectException e) { |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 934 | Slog.d(TAG, "Removing dead TrustListener."); |
| 935 | mTrustListeners.remove(i); |
| 936 | i--; |
| 937 | } catch (RemoteException e) { |
| 938 | Slog.e(TAG, "Exception while notifying TrustListener.", e); |
| 939 | } |
| 940 | } |
| 941 | } |
| 942 | |
| 943 | private void dispatchOnTrustManagedChanged(boolean managed, int userId) { |
Adrian Roos | 517b3a4 | 2016-03-03 14:58:33 -0800 | [diff] [blame] | 944 | if (DEBUG) { |
| 945 | Log.i(TAG, "onTrustManagedChanged(" + managed + ", " + userId + ")"); |
| 946 | } |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 947 | for (int i = 0; i < mTrustListeners.size(); i++) { |
| 948 | try { |
| 949 | mTrustListeners.get(i).onTrustManagedChanged(managed, userId); |
| 950 | } catch (DeadObjectException e) { |
| 951 | Slog.d(TAG, "Removing dead TrustListener."); |
Adrian Roos | a4ba56b | 2014-05-20 12:56:25 +0200 | [diff] [blame] | 952 | mTrustListeners.remove(i); |
| 953 | i--; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 954 | } catch (RemoteException e) { |
Adrian Roos | a4ba56b | 2014-05-20 12:56:25 +0200 | [diff] [blame] | 955 | Slog.e(TAG, "Exception while notifying TrustListener.", e); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 956 | } |
| 957 | } |
| 958 | } |
| 959 | |
Lucas Dupin | ef88654 | 2018-01-03 16:03:07 -0800 | [diff] [blame] | 960 | private void dispatchOnTrustError(CharSequence message) { |
| 961 | if (DEBUG) { |
| 962 | Log.i(TAG, "onTrustError(" + message + ")"); |
| 963 | } |
| 964 | for (int i = 0; i < mTrustListeners.size(); i++) { |
| 965 | try { |
| 966 | mTrustListeners.get(i).onTrustError(message); |
| 967 | } catch (DeadObjectException e) { |
| 968 | Slog.d(TAG, "Removing dead TrustListener."); |
| 969 | mTrustListeners.remove(i); |
| 970 | i--; |
| 971 | } catch (RemoteException e) { |
| 972 | Slog.e(TAG, "Exception while notifying TrustListener.", e); |
| 973 | } |
| 974 | } |
| 975 | } |
| 976 | |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 977 | // User lifecycle |
| 978 | |
| 979 | @Override |
| 980 | public void onStartUser(int userId) { |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 981 | mHandler.obtainMessage(MSG_START_USER, userId, 0, null).sendToTarget(); |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 982 | } |
| 983 | |
| 984 | @Override |
| 985 | public void onCleanupUser(int userId) { |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 986 | mHandler.obtainMessage(MSG_CLEANUP_USER, userId, 0, null).sendToTarget(); |
| 987 | } |
| 988 | |
| 989 | @Override |
| 990 | public void onSwitchUser(int userId) { |
| 991 | mHandler.obtainMessage(MSG_SWITCH_USER, userId, 0, null).sendToTarget(); |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 992 | } |
| 993 | |
Adrian Roos | 68771eb | 2016-05-03 14:02:36 -0700 | [diff] [blame] | 994 | @Override |
| 995 | public void onUnlockUser(int userId) { |
| 996 | mHandler.obtainMessage(MSG_UNLOCK_USER, userId, 0, null).sendToTarget(); |
| 997 | } |
| 998 | |
Andrew Scull | 85a63bc | 2016-10-24 13:47:47 +0100 | [diff] [blame] | 999 | @Override |
| 1000 | public void onStopUser(@UserIdInt int userId) { |
| 1001 | mHandler.obtainMessage(MSG_STOP_USER, userId, 0, null).sendToTarget(); |
| 1002 | } |
| 1003 | |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 1004 | // Plumbing |
| 1005 | |
| 1006 | private final IBinder mService = new ITrustManager.Stub() { |
| 1007 | @Override |
| 1008 | public void reportUnlockAttempt(boolean authenticated, int userId) throws RemoteException { |
| 1009 | enforceReportPermission(); |
| 1010 | mHandler.obtainMessage(MSG_DISPATCH_UNLOCK_ATTEMPT, authenticated ? 1 : 0, userId) |
| 1011 | .sendToTarget(); |
| 1012 | } |
| 1013 | |
| 1014 | @Override |
Zachary Iqbal | 327323d | 2017-01-12 14:41:13 -0800 | [diff] [blame] | 1015 | public void reportUnlockLockout(int timeoutMs, int userId) throws RemoteException { |
| 1016 | enforceReportPermission(); |
| 1017 | mHandler.obtainMessage(MSG_DISPATCH_UNLOCK_LOCKOUT, timeoutMs, userId) |
| 1018 | .sendToTarget(); |
| 1019 | } |
| 1020 | |
| 1021 | @Override |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 1022 | public void reportEnabledTrustAgentsChanged(int userId) throws RemoteException { |
| 1023 | enforceReportPermission(); |
| 1024 | // coalesce refresh messages. |
| 1025 | mHandler.removeMessages(MSG_ENABLED_AGENTS_CHANGED); |
| 1026 | mHandler.sendEmptyMessage(MSG_ENABLED_AGENTS_CHANGED); |
| 1027 | } |
| 1028 | |
| 1029 | @Override |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 1030 | public void reportKeyguardShowingChanged() throws RemoteException { |
| 1031 | enforceReportPermission(); |
| 1032 | // coalesce refresh messages. |
| 1033 | mHandler.removeMessages(MSG_KEYGUARD_SHOWING_CHANGED); |
| 1034 | mHandler.sendEmptyMessage(MSG_KEYGUARD_SHOWING_CHANGED); |
Jorim Jaggi | 5277dea | 2017-05-18 02:05:29 +0200 | [diff] [blame] | 1035 | |
| 1036 | // Make sure handler processes the message before returning, such that isDeviceLocked |
| 1037 | // after this call will retrieve the correct value. |
| 1038 | mHandler.runWithScissors(() -> {}, 0); |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 1039 | } |
| 1040 | |
| 1041 | @Override |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 1042 | public void registerTrustListener(ITrustListener trustListener) throws RemoteException { |
| 1043 | enforceListenerPermission(); |
| 1044 | mHandler.obtainMessage(MSG_REGISTER_LISTENER, trustListener).sendToTarget(); |
| 1045 | } |
| 1046 | |
| 1047 | @Override |
| 1048 | public void unregisterTrustListener(ITrustListener trustListener) throws RemoteException { |
| 1049 | enforceListenerPermission(); |
| 1050 | mHandler.obtainMessage(MSG_UNREGISTER_LISTENER, trustListener).sendToTarget(); |
| 1051 | } |
| 1052 | |
Adrian Roos | bcd0765 | 2014-10-22 16:57:16 +0200 | [diff] [blame] | 1053 | @Override |
Adrian Roos | 50bfeec | 2014-11-20 16:21:11 +0100 | [diff] [blame] | 1054 | public boolean isDeviceLocked(int userId) throws RemoteException { |
Adrian Roos | bcd0765 | 2014-10-22 16:57:16 +0200 | [diff] [blame] | 1055 | userId = ActivityManager.handleIncomingUser(getCallingPid(), getCallingUid(), userId, |
Adrian Roos | 50bfeec | 2014-11-20 16:21:11 +0100 | [diff] [blame] | 1056 | false /* allowAll */, true /* requireFull */, "isDeviceLocked", null); |
Adrian Roos | 50bfeec | 2014-11-20 16:21:11 +0100 | [diff] [blame] | 1057 | |
Clara Bayarri | 078e91b | 2016-01-15 16:57:35 +0000 | [diff] [blame] | 1058 | long token = Binder.clearCallingIdentity(); |
| 1059 | try { |
| 1060 | if (!mLockPatternUtils.isSeparateProfileChallengeEnabled(userId)) { |
| 1061 | userId = resolveProfileParent(userId); |
| 1062 | } |
| 1063 | return isDeviceLockedInner(userId); |
| 1064 | } finally { |
| 1065 | Binder.restoreCallingIdentity(token); |
| 1066 | } |
Adrian Roos | bcd0765 | 2014-10-22 16:57:16 +0200 | [diff] [blame] | 1067 | } |
| 1068 | |
Adrian Roos | 8289368 | 2015-04-02 16:17:46 +0200 | [diff] [blame] | 1069 | @Override |
| 1070 | public boolean isDeviceSecure(int userId) throws RemoteException { |
| 1071 | userId = ActivityManager.handleIncomingUser(getCallingPid(), getCallingUid(), userId, |
| 1072 | false /* allowAll */, true /* requireFull */, "isDeviceSecure", null); |
Adrian Roos | 8289368 | 2015-04-02 16:17:46 +0200 | [diff] [blame] | 1073 | |
| 1074 | long token = Binder.clearCallingIdentity(); |
| 1075 | try { |
Clara Bayarri | 8d35de8 | 2016-01-12 17:29:29 +0000 | [diff] [blame] | 1076 | if (!mLockPatternUtils.isSeparateProfileChallengeEnabled(userId)) { |
| 1077 | userId = resolveProfileParent(userId); |
| 1078 | } |
Clara Bayarri | a177111 | 2015-12-18 16:29:18 +0000 | [diff] [blame] | 1079 | return mLockPatternUtils.isSecure(userId); |
Adrian Roos | 8289368 | 2015-04-02 16:17:46 +0200 | [diff] [blame] | 1080 | } finally { |
| 1081 | Binder.restoreCallingIdentity(token); |
| 1082 | } |
| 1083 | } |
| 1084 | |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 1085 | private void enforceReportPermission() { |
Adrian Roos | 2c12cfa | 2014-06-25 23:28:53 +0200 | [diff] [blame] | 1086 | mContext.enforceCallingOrSelfPermission( |
| 1087 | Manifest.permission.ACCESS_KEYGUARD_SECURE_STORAGE, "reporting trust events"); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 1088 | } |
| 1089 | |
| 1090 | private void enforceListenerPermission() { |
| 1091 | mContext.enforceCallingPermission(Manifest.permission.TRUST_LISTENER, |
| 1092 | "register trust listener"); |
| 1093 | } |
Adrian Roos | 7a4f3d4 | 2014-05-02 12:12:20 +0200 | [diff] [blame] | 1094 | |
| 1095 | @Override |
| 1096 | protected void dump(FileDescriptor fd, final PrintWriter fout, String[] args) { |
Jeff Sharkey | fe9a53b | 2017-03-31 14:08:23 -0600 | [diff] [blame] | 1097 | if (!DumpUtils.checkDumpPermission(mContext, TAG, fout)) return; |
Adrian Roos | 49d5345 | 2014-10-24 15:48:39 +0200 | [diff] [blame] | 1098 | if (isSafeMode()) { |
| 1099 | fout.println("disabled because the system is in safe mode."); |
| 1100 | return; |
| 1101 | } |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 1102 | if (!mTrustAgentsCanRun) { |
| 1103 | fout.println("disabled because the third-party apps can't run yet."); |
| 1104 | return; |
| 1105 | } |
Adrian Roos | 7a4f3d4 | 2014-05-02 12:12:20 +0200 | [diff] [blame] | 1106 | final List<UserInfo> userInfos = mUserManager.getUsers(true /* excludeDying */); |
Adrian Roos | 7a4f3d4 | 2014-05-02 12:12:20 +0200 | [diff] [blame] | 1107 | mHandler.runWithScissors(new Runnable() { |
| 1108 | @Override |
| 1109 | public void run() { |
| 1110 | fout.println("Trust manager state:"); |
| 1111 | for (UserInfo user : userInfos) { |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 1112 | dumpUser(fout, user, user.id == mCurrentUser); |
Adrian Roos | 7a4f3d4 | 2014-05-02 12:12:20 +0200 | [diff] [blame] | 1113 | } |
| 1114 | } |
| 1115 | }, 1500); |
| 1116 | } |
| 1117 | |
| 1118 | private void dumpUser(PrintWriter fout, UserInfo user, boolean isCurrent) { |
| 1119 | fout.printf(" User \"%s\" (id=%d, flags=%#x)", |
| 1120 | user.name, user.id, user.flags); |
Xiaohui Chen | 7cb69df | 2015-07-13 16:01:01 -0700 | [diff] [blame] | 1121 | if (!user.supportsSwitchToByUser()) { |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 1122 | fout.println("(managed profile)"); |
| 1123 | fout.println(" disabled because switching to this user is not possible."); |
| 1124 | return; |
| 1125 | } |
Adrian Roos | 7a4f3d4 | 2014-05-02 12:12:20 +0200 | [diff] [blame] | 1126 | if (isCurrent) { |
| 1127 | fout.print(" (current)"); |
| 1128 | } |
| 1129 | fout.print(": trusted=" + dumpBool(aggregateIsTrusted(user.id))); |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 1130 | fout.print(", trustManaged=" + dumpBool(aggregateIsTrustManaged(user.id))); |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 1131 | fout.print(", deviceLocked=" + dumpBool(isDeviceLockedInner(user.id))); |
Adrian Roos | b5e4722 | 2015-08-14 15:53:06 -0700 | [diff] [blame] | 1132 | fout.print(", strongAuthRequired=" + dumpHex( |
| 1133 | mStrongAuthTracker.getStrongAuthForUser(user.id))); |
Adrian Roos | 7a4f3d4 | 2014-05-02 12:12:20 +0200 | [diff] [blame] | 1134 | fout.println(); |
| 1135 | fout.println(" Enabled agents:"); |
| 1136 | boolean duplicateSimpleNames = false; |
| 1137 | ArraySet<String> simpleNames = new ArraySet<String>(); |
| 1138 | for (AgentInfo info : mActiveAgents) { |
| 1139 | if (info.userId != user.id) { continue; } |
| 1140 | boolean trusted = info.agent.isTrusted(); |
| 1141 | fout.print(" "); fout.println(info.component.flattenToShortString()); |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 1142 | fout.print(" bound=" + dumpBool(info.agent.isBound())); |
| 1143 | fout.print(", connected=" + dumpBool(info.agent.isConnected())); |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 1144 | fout.print(", managingTrust=" + dumpBool(info.agent.isManagingTrust())); |
| 1145 | fout.print(", trusted=" + dumpBool(trusted)); |
| 1146 | fout.println(); |
Adrian Roos | 7a4f3d4 | 2014-05-02 12:12:20 +0200 | [diff] [blame] | 1147 | if (trusted) { |
| 1148 | fout.println(" message=\"" + info.agent.getMessage() + "\""); |
| 1149 | } |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 1150 | if (!info.agent.isConnected()) { |
| 1151 | String restartTime = TrustArchive.formatDuration( |
| 1152 | info.agent.getScheduledRestartUptimeMillis() |
| 1153 | - SystemClock.uptimeMillis()); |
| 1154 | fout.println(" restartScheduledAt=" + restartTime); |
| 1155 | } |
Adrian Roos | 7a4f3d4 | 2014-05-02 12:12:20 +0200 | [diff] [blame] | 1156 | if (!simpleNames.add(TrustArchive.getSimpleName(info.component))) { |
| 1157 | duplicateSimpleNames = true; |
| 1158 | } |
| 1159 | } |
| 1160 | fout.println(" Events:"); |
| 1161 | mArchive.dump(fout, 50, user.id, " " /* linePrefix */, duplicateSimpleNames); |
| 1162 | fout.println(); |
| 1163 | } |
| 1164 | |
| 1165 | private String dumpBool(boolean b) { |
| 1166 | return b ? "1" : "0"; |
| 1167 | } |
Adrian Roos | b5e4722 | 2015-08-14 15:53:06 -0700 | [diff] [blame] | 1168 | |
| 1169 | private String dumpHex(int i) { |
| 1170 | return "0x" + Integer.toHexString(i); |
| 1171 | } |
Clara Bayarri | 56878a9 | 2015-10-29 15:43:55 +0000 | [diff] [blame] | 1172 | |
| 1173 | @Override |
Rubin Xu | 83a15bc | 2016-08-10 10:53:24 +0100 | [diff] [blame] | 1174 | public void setDeviceLockedForUser(int userId, boolean locked) { |
Clara Bayarri | 00a9b89 | 2016-01-13 16:17:09 +0000 | [diff] [blame] | 1175 | enforceReportPermission(); |
Rubin Xu | e078133 | 2016-08-19 11:20:34 +0100 | [diff] [blame] | 1176 | final long identity = Binder.clearCallingIdentity(); |
| 1177 | try { |
Pavel Grafov | 259ca36 | 2018-07-27 14:04:57 +0100 | [diff] [blame] | 1178 | if (mLockPatternUtils.isSeparateProfileChallengeEnabled(userId) |
| 1179 | && mLockPatternUtils.isSecure(userId)) { |
Rubin Xu | e078133 | 2016-08-19 11:20:34 +0100 | [diff] [blame] | 1180 | synchronized (mDeviceLockedForUser) { |
| 1181 | mDeviceLockedForUser.put(userId, locked); |
| 1182 | } |
| 1183 | if (locked) { |
| 1184 | try { |
Sudheer Shanka | dc589ac | 2016-11-10 15:30:17 -0800 | [diff] [blame] | 1185 | ActivityManager.getService().notifyLockedProfile(userId); |
Rubin Xu | e078133 | 2016-08-19 11:20:34 +0100 | [diff] [blame] | 1186 | } catch (RemoteException e) { |
| 1187 | } |
Rubin Xu | 83a15bc | 2016-08-10 10:53:24 +0100 | [diff] [blame] | 1188 | } |
Robin Lee | 92b83c6 | 2016-08-31 13:27:51 +0100 | [diff] [blame] | 1189 | final Intent lockIntent = new Intent(Intent.ACTION_DEVICE_LOCKED_CHANGED); |
| 1190 | lockIntent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); |
| 1191 | lockIntent.putExtra(Intent.EXTRA_USER_HANDLE, userId); |
| 1192 | mContext.sendBroadcastAsUser(lockIntent, UserHandle.SYSTEM, |
| 1193 | Manifest.permission.TRUST_LISTENER, /* options */ null); |
Rubin Xu | 83a15bc | 2016-08-10 10:53:24 +0100 | [diff] [blame] | 1194 | } |
Rubin Xu | e078133 | 2016-08-19 11:20:34 +0100 | [diff] [blame] | 1195 | } finally { |
| 1196 | Binder.restoreCallingIdentity(identity); |
Rubin Xu | 83a15bc | 2016-08-10 10:53:24 +0100 | [diff] [blame] | 1197 | } |
Clara Bayarri | 56878a9 | 2015-10-29 15:43:55 +0000 | [diff] [blame] | 1198 | } |
Adrian Roos | c13723f | 2016-01-12 20:29:03 +0100 | [diff] [blame] | 1199 | |
| 1200 | @Override |
| 1201 | public boolean isTrustUsuallyManaged(int userId) { |
| 1202 | mContext.enforceCallingPermission(Manifest.permission.TRUST_LISTENER, |
| 1203 | "query trust state"); |
| 1204 | return isTrustUsuallyManagedInternal(userId); |
| 1205 | } |
Kevin Chyn | 3fdbbf8 | 2017-05-06 15:11:53 -0700 | [diff] [blame] | 1206 | |
| 1207 | @Override |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 1208 | public void unlockedByBiometricForUser(int userId, BiometricSourceType biometricSource) { |
Kevin Chyn | 3fdbbf8 | 2017-05-06 15:11:53 -0700 | [diff] [blame] | 1209 | enforceReportPermission(); |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 1210 | synchronized(mUsersUnlockedByBiometric) { |
| 1211 | mUsersUnlockedByBiometric.put(userId, true); |
Kevin Chyn | 3fdbbf8 | 2017-05-06 15:11:53 -0700 | [diff] [blame] | 1212 | } |
Vishwath Mohan | 15f7dd0 | 2018-12-12 11:15:08 -0800 | [diff] [blame] | 1213 | // In extend unlock mode we need to refresh trust state here, which will call |
| 1214 | // refreshDeviceLockedForUser() |
| 1215 | int updateTrustOnUnlock = mSettingsObserver.getTrustAgentsExtendUnlock() ? 1 : 0; |
Kevin Chyn | 3fdbbf8 | 2017-05-06 15:11:53 -0700 | [diff] [blame] | 1216 | mHandler.obtainMessage(MSG_REFRESH_DEVICE_LOCKED_FOR_USER, userId, |
Vishwath Mohan | 15f7dd0 | 2018-12-12 11:15:08 -0800 | [diff] [blame] | 1217 | updateTrustOnUnlock).sendToTarget(); |
Kevin Chyn | 3fdbbf8 | 2017-05-06 15:11:53 -0700 | [diff] [blame] | 1218 | } |
| 1219 | |
| 1220 | @Override |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 1221 | public void clearAllBiometricRecognized(BiometricSourceType biometricSource) { |
Kevin Chyn | 3fdbbf8 | 2017-05-06 15:11:53 -0700 | [diff] [blame] | 1222 | enforceReportPermission(); |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 1223 | synchronized(mUsersUnlockedByBiometric) { |
| 1224 | mUsersUnlockedByBiometric.clear(); |
Kevin Chyn | 3fdbbf8 | 2017-05-06 15:11:53 -0700 | [diff] [blame] | 1225 | } |
| 1226 | mHandler.obtainMessage(MSG_REFRESH_DEVICE_LOCKED_FOR_USER, UserHandle.USER_ALL, |
| 1227 | 0 /* arg2 */).sendToTarget(); |
| 1228 | } |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 1229 | }; |
| 1230 | |
Adrian Roos | c13723f | 2016-01-12 20:29:03 +0100 | [diff] [blame] | 1231 | private boolean isTrustUsuallyManagedInternal(int userId) { |
| 1232 | synchronized (mTrustUsuallyManagedForUser) { |
| 1233 | int i = mTrustUsuallyManagedForUser.indexOfKey(userId); |
| 1234 | if (i >= 0) { |
| 1235 | return mTrustUsuallyManagedForUser.valueAt(i); |
| 1236 | } |
| 1237 | } |
| 1238 | // It's not in memory yet, get the value from persisted storage instead |
| 1239 | boolean persistedValue = mLockPatternUtils.isTrustUsuallyManaged(userId); |
| 1240 | synchronized (mTrustUsuallyManagedForUser) { |
| 1241 | int i = mTrustUsuallyManagedForUser.indexOfKey(userId); |
| 1242 | if (i >= 0) { |
| 1243 | // Someone set the trust usually managed in the mean time. Better use that. |
| 1244 | return mTrustUsuallyManagedForUser.valueAt(i); |
| 1245 | } else { |
| 1246 | // .. otherwise it's safe to cache the fetched value now. |
| 1247 | mTrustUsuallyManagedForUser.put(userId, persistedValue); |
| 1248 | return persistedValue; |
| 1249 | } |
| 1250 | } |
| 1251 | } |
| 1252 | |
Adrian Roos | bcd0765 | 2014-10-22 16:57:16 +0200 | [diff] [blame] | 1253 | private int resolveProfileParent(int userId) { |
| 1254 | long identity = Binder.clearCallingIdentity(); |
| 1255 | try { |
| 1256 | UserInfo parent = mUserManager.getProfileParent(userId); |
| 1257 | if (parent != null) { |
| 1258 | return parent.getUserHandle().getIdentifier(); |
| 1259 | } |
| 1260 | return userId; |
| 1261 | } finally { |
| 1262 | Binder.restoreCallingIdentity(identity); |
| 1263 | } |
| 1264 | } |
| 1265 | |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 1266 | private final Handler mHandler = new Handler() { |
| 1267 | @Override |
| 1268 | public void handleMessage(Message msg) { |
| 1269 | switch (msg.what) { |
| 1270 | case MSG_REGISTER_LISTENER: |
| 1271 | addListener((ITrustListener) msg.obj); |
| 1272 | break; |
| 1273 | case MSG_UNREGISTER_LISTENER: |
| 1274 | removeListener((ITrustListener) msg.obj); |
| 1275 | break; |
| 1276 | case MSG_DISPATCH_UNLOCK_ATTEMPT: |
| 1277 | dispatchUnlockAttempt(msg.arg1 != 0, msg.arg2); |
| 1278 | break; |
Zachary Iqbal | 327323d | 2017-01-12 14:41:13 -0800 | [diff] [blame] | 1279 | case MSG_DISPATCH_UNLOCK_LOCKOUT: |
| 1280 | dispatchUnlockLockout(msg.arg1, msg.arg2); |
| 1281 | break; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 1282 | case MSG_ENABLED_AGENTS_CHANGED: |
Marco Fucci | 4e68f11 | 2014-08-29 12:31:48 -0700 | [diff] [blame] | 1283 | refreshAgentList(UserHandle.USER_ALL); |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 1284 | // This is also called when the security mode of a user changes. |
| 1285 | refreshDeviceLockedForUser(UserHandle.USER_ALL); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 1286 | break; |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 1287 | case MSG_KEYGUARD_SHOWING_CHANGED: |
Adrian Roos | 7e2e40e | 2014-11-21 15:27:12 +0100 | [diff] [blame] | 1288 | refreshDeviceLockedForUser(mCurrentUser); |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 1289 | break; |
| 1290 | case MSG_START_USER: |
| 1291 | case MSG_CLEANUP_USER: |
Adrian Roos | 68771eb | 2016-05-03 14:02:36 -0700 | [diff] [blame] | 1292 | case MSG_UNLOCK_USER: |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 1293 | refreshAgentList(msg.arg1); |
| 1294 | break; |
| 1295 | case MSG_SWITCH_USER: |
| 1296 | mCurrentUser = msg.arg1; |
Vishwath Mohan | 15f7dd0 | 2018-12-12 11:15:08 -0800 | [diff] [blame] | 1297 | mSettingsObserver.updateContentObserver(); |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 1298 | refreshDeviceLockedForUser(UserHandle.USER_ALL); |
| 1299 | break; |
Andrew Scull | 85a63bc | 2016-10-24 13:47:47 +0100 | [diff] [blame] | 1300 | case MSG_STOP_USER: |
| 1301 | setDeviceLockedForUser(msg.arg1, true); |
| 1302 | break; |
Adrian Roos | c13723f | 2016-01-12 20:29:03 +0100 | [diff] [blame] | 1303 | case MSG_FLUSH_TRUST_USUALLY_MANAGED: |
| 1304 | SparseBooleanArray usuallyManaged; |
| 1305 | synchronized (mTrustUsuallyManagedForUser) { |
| 1306 | usuallyManaged = mTrustUsuallyManagedForUser.clone(); |
| 1307 | } |
| 1308 | |
| 1309 | for (int i = 0; i < usuallyManaged.size(); i++) { |
| 1310 | int userId = usuallyManaged.keyAt(i); |
| 1311 | boolean value = usuallyManaged.valueAt(i); |
| 1312 | if (value != mLockPatternUtils.isTrustUsuallyManaged(userId)) { |
| 1313 | mLockPatternUtils.setTrustUsuallyManaged(value, userId); |
| 1314 | } |
| 1315 | } |
Adrian Roos | 68771eb | 2016-05-03 14:02:36 -0700 | [diff] [blame] | 1316 | break; |
Kevin Chyn | 3fdbbf8 | 2017-05-06 15:11:53 -0700 | [diff] [blame] | 1317 | case MSG_REFRESH_DEVICE_LOCKED_FOR_USER: |
Vishwath Mohan | 15f7dd0 | 2018-12-12 11:15:08 -0800 | [diff] [blame] | 1318 | if (msg.arg2 == 1) { |
| 1319 | updateTrust(msg.arg1, 0 /* flags */, true); |
| 1320 | } |
Kevin Chyn | 3fdbbf8 | 2017-05-06 15:11:53 -0700 | [diff] [blame] | 1321 | refreshDeviceLockedForUser(msg.arg1); |
| 1322 | break; |
Vishwath Mohan | 15f7dd0 | 2018-12-12 11:15:08 -0800 | [diff] [blame] | 1323 | case MSG_SCHEDULE_TRUST_TIMEOUT: |
| 1324 | handleScheduleTrustTimeout(msg.arg1, msg.arg2); |
| 1325 | break; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 1326 | } |
| 1327 | } |
| 1328 | }; |
| 1329 | |
| 1330 | private final PackageMonitor mPackageMonitor = new PackageMonitor() { |
| 1331 | @Override |
| 1332 | public void onSomePackagesChanged() { |
Marco Fucci | 4e68f11 | 2014-08-29 12:31:48 -0700 | [diff] [blame] | 1333 | refreshAgentList(UserHandle.USER_ALL); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 1334 | } |
| 1335 | |
| 1336 | @Override |
| 1337 | public boolean onPackageChanged(String packageName, int uid, String[] components) { |
| 1338 | // We're interested in all changes, even if just some components get enabled / disabled. |
| 1339 | return true; |
| 1340 | } |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 1341 | |
| 1342 | @Override |
| 1343 | public void onPackageDisappeared(String packageName, int reason) { |
| 1344 | removeAgentsOfPackage(packageName); |
| 1345 | } |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 1346 | }; |
Adrian Roos | ca36b95 | 2014-05-16 18:52:29 +0200 | [diff] [blame] | 1347 | |
Lingjun Li | 20914d7 | 2016-11-14 15:39:13 -0800 | [diff] [blame] | 1348 | private static class SettingsAttrs { |
| 1349 | public ComponentName componentName; |
| 1350 | public boolean canUnlockProfile; |
| 1351 | |
| 1352 | public SettingsAttrs( |
| 1353 | ComponentName componentName, |
| 1354 | boolean canUnlockProfile) { |
| 1355 | this.componentName = componentName; |
| 1356 | this.canUnlockProfile = canUnlockProfile; |
| 1357 | } |
| 1358 | }; |
| 1359 | |
Adrian Roos | 9dbe190 | 2014-08-13 18:25:52 +0200 | [diff] [blame] | 1360 | private class Receiver extends BroadcastReceiver { |
Adrian Roos | ca36b95 | 2014-05-16 18:52:29 +0200 | [diff] [blame] | 1361 | |
| 1362 | @Override |
| 1363 | public void onReceive(Context context, Intent intent) { |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 1364 | String action = intent.getAction(); |
| 1365 | if (DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED.equals(action)) { |
Marco Fucci | 4e68f11 | 2014-08-29 12:31:48 -0700 | [diff] [blame] | 1366 | refreshAgentList(getSendingUserId()); |
| 1367 | updateDevicePolicyFeatures(); |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 1368 | } else if (Intent.ACTION_USER_ADDED.equals(action)) { |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 1369 | int userId = getUserId(intent); |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 1370 | if (userId > 0) { |
| 1371 | maybeEnableFactoryTrustAgents(mLockPatternUtils, userId); |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 1372 | } |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 1373 | } else if (Intent.ACTION_USER_REMOVED.equals(action)) { |
| 1374 | int userId = getUserId(intent); |
| 1375 | if (userId > 0) { |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 1376 | synchronized (mUserIsTrusted) { |
| 1377 | mUserIsTrusted.delete(userId); |
| 1378 | } |
| 1379 | synchronized (mDeviceLockedForUser) { |
| 1380 | mDeviceLockedForUser.delete(userId); |
| 1381 | } |
Adrian Roos | ae02582 | 2016-11-03 14:46:13 -0700 | [diff] [blame] | 1382 | synchronized (mTrustUsuallyManagedForUser) { |
| 1383 | mTrustUsuallyManagedForUser.delete(userId); |
| 1384 | } |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 1385 | synchronized (mUsersUnlockedByBiometric) { |
| 1386 | mUsersUnlockedByBiometric.delete(userId); |
Kevin Chyn | 3fdbbf8 | 2017-05-06 15:11:53 -0700 | [diff] [blame] | 1387 | } |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 1388 | refreshAgentList(userId); |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 1389 | refreshDeviceLockedForUser(userId); |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 1390 | } |
| 1391 | } |
| 1392 | } |
| 1393 | |
| 1394 | private int getUserId(Intent intent) { |
| 1395 | int userId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, -100); |
| 1396 | if (userId > 0) { |
| 1397 | return userId; |
| 1398 | } else { |
| 1399 | Slog.wtf(TAG, "EXTRA_USER_HANDLE missing or invalid, value=" + userId); |
| 1400 | return -100; |
Adrian Roos | ca36b95 | 2014-05-16 18:52:29 +0200 | [diff] [blame] | 1401 | } |
| 1402 | } |
| 1403 | |
| 1404 | public void register(Context context) { |
Adrian Roos | 9dbe190 | 2014-08-13 18:25:52 +0200 | [diff] [blame] | 1405 | IntentFilter filter = new IntentFilter(); |
| 1406 | filter.addAction(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 1407 | filter.addAction(Intent.ACTION_USER_ADDED); |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 1408 | filter.addAction(Intent.ACTION_USER_REMOVED); |
Adrian Roos | ca36b95 | 2014-05-16 18:52:29 +0200 | [diff] [blame] | 1409 | context.registerReceiverAsUser(this, |
| 1410 | UserHandle.ALL, |
Adrian Roos | 9dbe190 | 2014-08-13 18:25:52 +0200 | [diff] [blame] | 1411 | filter, |
Adrian Roos | ca36b95 | 2014-05-16 18:52:29 +0200 | [diff] [blame] | 1412 | null /* permission */, |
| 1413 | null /* scheduler */); |
| 1414 | } |
| 1415 | } |
Adrian Roos | 517b3a4 | 2016-03-03 14:58:33 -0800 | [diff] [blame] | 1416 | |
| 1417 | private class StrongAuthTracker extends LockPatternUtils.StrongAuthTracker { |
| 1418 | |
| 1419 | SparseBooleanArray mStartFromSuccessfulUnlock = new SparseBooleanArray(); |
| 1420 | |
| 1421 | public StrongAuthTracker(Context context) { |
| 1422 | super(context); |
| 1423 | } |
| 1424 | |
| 1425 | @Override |
| 1426 | public void onStrongAuthRequiredChanged(int userId) { |
| 1427 | mStartFromSuccessfulUnlock.delete(userId); |
| 1428 | |
| 1429 | if (DEBUG) { |
| 1430 | Log.i(TAG, "onStrongAuthRequiredChanged(" + userId + ") ->" |
| 1431 | + " trustAllowed=" + isTrustAllowedForUser(userId) |
| 1432 | + " agentsCanRun=" + canAgentsRunForUser(userId)); |
| 1433 | } |
| 1434 | |
Vishwath Mohan | 15f7dd0 | 2018-12-12 11:15:08 -0800 | [diff] [blame] | 1435 | // Cancel pending alarms if we require some auth anyway. |
| 1436 | if (!isTrustAllowedForUser(userId)) { |
| 1437 | TrustTimeoutAlarmListener alarm = mTrustTimeoutAlarmListenerForUser.get(userId); |
| 1438 | if (alarm != null && alarm.isQueued()) { |
| 1439 | alarm.setQueued(false /* isQueued */); |
| 1440 | mAlarmManager.cancel(alarm); |
| 1441 | } |
| 1442 | } |
| 1443 | |
Adrian Roos | 517b3a4 | 2016-03-03 14:58:33 -0800 | [diff] [blame] | 1444 | refreshAgentList(userId); |
| 1445 | |
| 1446 | // The list of active trust agents may not have changed, if there was a previous call |
| 1447 | // to allowTrustFromUnlock, so we update the trust here too. |
| 1448 | updateTrust(userId, 0 /* flags */); |
| 1449 | } |
| 1450 | |
| 1451 | boolean canAgentsRunForUser(int userId) { |
| 1452 | return mStartFromSuccessfulUnlock.get(userId) |
| 1453 | || super.isTrustAllowedForUser(userId); |
| 1454 | } |
| 1455 | |
| 1456 | /** |
| 1457 | * Temporarily suppress strong auth requirements for {@param userId} until strong auth |
| 1458 | * changes again. Must only be called when we know about a successful unlock already |
| 1459 | * before the underlying StrongAuthTracker. |
| 1460 | * |
| 1461 | * Note that this only changes whether trust agents can be started, not the actual trusted |
| 1462 | * value. |
| 1463 | */ |
| 1464 | void allowTrustFromUnlock(int userId) { |
| 1465 | if (userId < UserHandle.USER_SYSTEM) { |
| 1466 | throw new IllegalArgumentException("userId must be a valid user: " + userId); |
| 1467 | } |
| 1468 | boolean previous = canAgentsRunForUser(userId); |
| 1469 | mStartFromSuccessfulUnlock.put(userId, true); |
| 1470 | |
| 1471 | if (DEBUG) { |
| 1472 | Log.i(TAG, "allowTrustFromUnlock(" + userId + ") ->" |
| 1473 | + " trustAllowed=" + isTrustAllowedForUser(userId) |
| 1474 | + " agentsCanRun=" + canAgentsRunForUser(userId)); |
| 1475 | } |
| 1476 | |
| 1477 | if (canAgentsRunForUser(userId) != previous) { |
| 1478 | refreshAgentList(userId); |
| 1479 | } |
| 1480 | } |
| 1481 | } |
Vishwath Mohan | 15f7dd0 | 2018-12-12 11:15:08 -0800 | [diff] [blame] | 1482 | |
| 1483 | private class TrustTimeoutAlarmListener implements OnAlarmListener { |
| 1484 | private final int mUserId; |
| 1485 | private boolean mIsQueued = false; |
| 1486 | |
| 1487 | TrustTimeoutAlarmListener(int userId) { |
| 1488 | mUserId = userId; |
| 1489 | } |
| 1490 | |
| 1491 | @Override |
| 1492 | public void onAlarm() { |
| 1493 | mIsQueued = false; |
| 1494 | int strongAuthState = mStrongAuthTracker.getStrongAuthForUser(mUserId); |
| 1495 | |
| 1496 | // Only fire if trust can unlock. |
| 1497 | if (mStrongAuthTracker.isTrustAllowedForUser(mUserId)) { |
| 1498 | if (DEBUG) Slog.d(TAG, "Revoking all trust because of trust timeout"); |
| 1499 | mLockPatternUtils.requireStrongAuth( |
| 1500 | mStrongAuthTracker.SOME_AUTH_REQUIRED_AFTER_USER_REQUEST, mUserId); |
| 1501 | } |
| 1502 | maybeLockScreen(mUserId); |
| 1503 | } |
| 1504 | |
| 1505 | public void setQueued(boolean isQueued) { |
| 1506 | mIsQueued = isQueued; |
| 1507 | } |
| 1508 | |
| 1509 | public boolean isQueued() { |
| 1510 | return mIsQueued; |
| 1511 | } |
| 1512 | } |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 1513 | } |