Charles He | 959ac8e | 2017-03-27 21:16:20 +0100 | [diff] [blame] | 1 | /* |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 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.fingerprint; |
| 18 | |
Charles He | 959ac8e | 2017-03-27 21:16:20 +0100 | [diff] [blame] | 19 | import static android.Manifest.permission.INTERACT_ACROSS_USERS; |
| 20 | import static android.Manifest.permission.MANAGE_FINGERPRINT; |
| 21 | import static android.Manifest.permission.RESET_FINGERPRINT_LOCKOUT; |
Vishwath Mohan | cf87df1 | 2018-03-20 22:57:17 -0700 | [diff] [blame] | 22 | import static android.Manifest.permission.USE_BIOMETRIC; |
Charles He | 959ac8e | 2017-03-27 21:16:20 +0100 | [diff] [blame] | 23 | import static android.Manifest.permission.USE_FINGERPRINT; |
Svet Ganov | 3121760 | 2018-05-18 19:59:25 -0700 | [diff] [blame] | 24 | import static android.app.ActivityManager.RunningAppProcessInfo.IMPORTANCE_FOREGROUND_SERVICE; |
Charles He | 959ac8e | 2017-03-27 21:16:20 +0100 | [diff] [blame] | 25 | |
Sasha Levitskiy | 80db9ba | 2015-05-08 14:31:48 -0700 | [diff] [blame] | 26 | import android.app.ActivityManager; |
Jim Miller | 975f145 | 2015-08-31 18:18:22 -0700 | [diff] [blame] | 27 | import android.app.ActivityManager.RunningAppProcessInfo; |
Jorim Jaggi | 5e35422 | 2015-09-04 14:17:58 -0700 | [diff] [blame] | 28 | import android.app.AlarmManager; |
Svetoslav | 4af76a5 | 2015-04-29 15:29:46 -0700 | [diff] [blame] | 29 | import android.app.AppOpsManager; |
Kevin Chyn | 09da294 | 2018-03-09 13:13:11 -0800 | [diff] [blame] | 30 | import android.app.IActivityManager; |
Jorim Jaggi | 5e35422 | 2015-09-04 14:17:58 -0700 | [diff] [blame] | 31 | import android.app.PendingIntent; |
Fyodor Kupolov | 6005b3f | 2015-11-23 17:41:50 -0800 | [diff] [blame] | 32 | import android.app.SynchronousUserSwitchObserver; |
Kevin Chyn | 09da294 | 2018-03-09 13:13:11 -0800 | [diff] [blame] | 33 | import android.app.TaskStackListener; |
Jorim Jaggi | 5e35422 | 2015-09-04 14:17:58 -0700 | [diff] [blame] | 34 | import android.content.BroadcastReceiver; |
Charles He | 29b3a8a | 2017-05-04 16:02:38 +0100 | [diff] [blame] | 35 | import android.content.ComponentName; |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 36 | import android.content.Context; |
Jorim Jaggi | 5e35422 | 2015-09-04 14:17:58 -0700 | [diff] [blame] | 37 | import android.content.Intent; |
| 38 | import android.content.IntentFilter; |
Jim Miller | f501b58 | 2015-06-03 16:36:31 -0700 | [diff] [blame] | 39 | import android.content.pm.PackageManager; |
Jim Miller | cb7d9e9 | 2015-06-16 15:05:48 -0700 | [diff] [blame] | 40 | import android.content.pm.UserInfo; |
Vishwath Mohan | ecf00ce | 2018-04-05 10:28:24 -0700 | [diff] [blame] | 41 | import android.hardware.biometrics.IBiometricPromptReceiver; |
Charles He | 959ac8e | 2017-03-27 21:16:20 +0100 | [diff] [blame] | 42 | import android.hardware.biometrics.fingerprint.V2_1.IBiometricsFingerprint; |
| 43 | import android.hardware.biometrics.fingerprint.V2_1.IBiometricsFingerprintClientCallback; |
| 44 | import android.hardware.fingerprint.Fingerprint; |
| 45 | import android.hardware.fingerprint.FingerprintManager; |
Phil Weaver | 27fcd9c | 2017-01-20 15:57:24 -0800 | [diff] [blame] | 46 | import android.hardware.fingerprint.IFingerprintClientActiveCallback; |
Charles He | 959ac8e | 2017-03-27 21:16:20 +0100 | [diff] [blame] | 47 | import android.hardware.fingerprint.IFingerprintService; |
Jorim Jaggi | 3a46478 | 2015-08-28 16:59:13 -0700 | [diff] [blame] | 48 | import android.hardware.fingerprint.IFingerprintServiceLockoutResetCallback; |
Charles He | 959ac8e | 2017-03-27 21:16:20 +0100 | [diff] [blame] | 49 | import android.hardware.fingerprint.IFingerprintServiceReceiver; |
Svetoslav | 4af76a5 | 2015-04-29 15:29:46 -0700 | [diff] [blame] | 50 | import android.os.Binder; |
Andreas Huber | 7fe2053 | 2018-01-22 11:26:44 -0800 | [diff] [blame] | 51 | import android.os.Build; |
Jorim Jaggi | 57e2f4d | 2016-11-24 14:38:18 +0100 | [diff] [blame] | 52 | import android.os.Bundle; |
Jorim Jaggi | 3a46478 | 2015-08-28 16:59:13 -0700 | [diff] [blame] | 53 | import android.os.DeadObjectException; |
Sasha Levitskiy | 80db9ba | 2015-05-08 14:31:48 -0700 | [diff] [blame] | 54 | import android.os.Environment; |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 55 | import android.os.Handler; |
| 56 | import android.os.IBinder; |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 57 | import android.os.IHwBinder; |
Jorim Jaggi | 57e2f4d | 2016-11-24 14:38:18 +0100 | [diff] [blame] | 58 | import android.os.IRemoteCallback; |
Jim Miller | dca15d2 | 2015-06-16 20:55:13 -0700 | [diff] [blame] | 59 | import android.os.PowerManager; |
Jorim Jaggi | 57e2f4d | 2016-11-24 14:38:18 +0100 | [diff] [blame] | 60 | import android.os.PowerManager.WakeLock; |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 61 | import android.os.RemoteException; |
Jim Miller | 16ef71f | 2015-05-21 17:02:21 -0700 | [diff] [blame] | 62 | import android.os.SELinux; |
Kevin Chyn | aae4a15 | 2018-01-18 11:48:09 -0800 | [diff] [blame] | 63 | import android.os.ServiceManager; |
Jim Miller | dca15d2 | 2015-06-16 20:55:13 -0700 | [diff] [blame] | 64 | import android.os.SystemClock; |
Jim Miller | 599ef0e | 2015-06-15 20:39:44 -0700 | [diff] [blame] | 65 | import android.os.UserHandle; |
Jim Miller | cb7d9e9 | 2015-06-16 15:05:48 -0700 | [diff] [blame] | 66 | import android.os.UserManager; |
Charles He | 959ac8e | 2017-03-27 21:16:20 +0100 | [diff] [blame] | 67 | import android.security.KeyStore; |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 68 | import android.util.Slog; |
Kevin Chyn | 5457cba | 2017-08-30 15:28:28 -0700 | [diff] [blame] | 69 | import android.util.SparseBooleanArray; |
| 70 | import android.util.SparseIntArray; |
Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 71 | import android.util.proto.ProtoOutputStream; |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 72 | |
Fyodor Kupolov | 449e708 | 2016-10-31 15:06:12 -0700 | [diff] [blame] | 73 | import com.android.internal.annotations.GuardedBy; |
Chris Wren | c510ad5 | 2015-08-14 15:43:15 -0400 | [diff] [blame] | 74 | import com.android.internal.logging.MetricsLogger; |
Kevin Chyn | aae4a15 | 2018-01-18 11:48:09 -0800 | [diff] [blame] | 75 | import com.android.internal.statusbar.IStatusBarService; |
Jeff Sharkey | fe9a53b | 2017-03-31 14:08:23 -0600 | [diff] [blame] | 76 | import com.android.internal.util.DumpUtils; |
Fyodor Kupolov | e29a5a1 | 2016-12-16 16:14:17 -0800 | [diff] [blame] | 77 | import com.android.server.SystemServerInitThreadPool; |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 78 | import com.android.server.SystemService; |
| 79 | |
Chris Wren | c510ad5 | 2015-08-14 15:43:15 -0400 | [diff] [blame] | 80 | import org.json.JSONArray; |
| 81 | import org.json.JSONException; |
| 82 | import org.json.JSONObject; |
| 83 | |
Sasha Levitskiy | 80db9ba | 2015-05-08 14:31:48 -0700 | [diff] [blame] | 84 | import java.io.File; |
Chris Wren | c510ad5 | 2015-08-14 15:43:15 -0400 | [diff] [blame] | 85 | import java.io.FileDescriptor; |
| 86 | import java.io.PrintWriter; |
Jorim Jaggi | 3a46478 | 2015-08-28 16:59:13 -0700 | [diff] [blame] | 87 | import java.util.ArrayList; |
Svetoslav | 4af76a5 | 2015-04-29 15:29:46 -0700 | [diff] [blame] | 88 | import java.util.Collections; |
Jim Miller | bcc100a | 2016-07-06 14:16:49 -0700 | [diff] [blame] | 89 | import java.util.HashMap; |
Jim Miller | 9f0753f | 2015-03-23 23:59:22 -0700 | [diff] [blame] | 90 | import java.util.List; |
Charles He | da88f0e | 2017-02-02 18:29:13 +0000 | [diff] [blame] | 91 | import java.util.Map; |
Phil Weaver | 27fcd9c | 2017-01-20 15:57:24 -0800 | [diff] [blame] | 92 | import java.util.concurrent.CopyOnWriteArrayList; |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 93 | |
| 94 | /** |
| 95 | * A service to manage multiple clients that want to access the fingerprint HAL API. |
| 96 | * The service is responsible for maintaining a list of clients and dispatching all |
Kevin Chyn | edd71f9 | 2017-09-01 16:09:57 -0700 | [diff] [blame] | 97 | * fingerprint-related events. |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 98 | * |
| 99 | * @hide |
| 100 | */ |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 101 | public class FingerprintService extends SystemService implements IHwBinder.DeathRecipient { |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 102 | static final String TAG = "FingerprintService"; |
| 103 | static final boolean DEBUG = true; |
Kevin Chyn | edd71f9 | 2017-09-01 16:09:57 -0700 | [diff] [blame] | 104 | private static final boolean CLEANUP_UNUSED_FP = true; |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 105 | private static final String FP_DATA_DIR = "fpdata"; |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 106 | private static final int MSG_USER_SWITCHING = 10; |
Jorim Jaggi | 5e35422 | 2015-09-04 14:17:58 -0700 | [diff] [blame] | 107 | private static final String ACTION_LOCKOUT_RESET = |
| 108 | "com.android.server.fingerprint.ACTION_LOCKOUT_RESET"; |
Kevin Chyn | 5457cba | 2017-08-30 15:28:28 -0700 | [diff] [blame] | 109 | private static final String KEY_LOCKOUT_RESET_USER = "lockout_reset_user"; |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 110 | |
Jim Miller | bcc100a | 2016-07-06 14:16:49 -0700 | [diff] [blame] | 111 | private class PerformanceStats { |
| 112 | int accept; // number of accepted fingerprints |
| 113 | int reject; // number of rejected fingerprints |
| 114 | int acquire; // total number of acquisitions. Should be >= accept+reject due to poor image |
| 115 | // acquisition in some cases (too fast, too slow, dirty sensor, etc.) |
| 116 | int lockout; // total number of lockouts |
Kevin Chyn | df9d33e | 2017-05-03 21:40:12 -0700 | [diff] [blame] | 117 | int permanentLockout; // total number of permanent lockouts |
Jim Miller | bcc100a | 2016-07-06 14:16:49 -0700 | [diff] [blame] | 118 | } |
| 119 | |
Jorim Jaggi | 3a46478 | 2015-08-28 16:59:13 -0700 | [diff] [blame] | 120 | private final ArrayList<FingerprintServiceLockoutResetMonitor> mLockoutMonitors = |
| 121 | new ArrayList<>(); |
Phil Weaver | 27fcd9c | 2017-01-20 15:57:24 -0800 | [diff] [blame] | 122 | private final CopyOnWriteArrayList<IFingerprintClientActiveCallback> mClientActiveCallbacks = |
| 123 | new CopyOnWriteArrayList<>(); |
Charles He | da88f0e | 2017-02-02 18:29:13 +0000 | [diff] [blame] | 124 | private final Map<Integer, Long> mAuthenticatorIds = |
| 125 | Collections.synchronizedMap(new HashMap<>()); |
Svetoslav | 4af76a5 | 2015-04-29 15:29:46 -0700 | [diff] [blame] | 126 | private final AppOpsManager mAppOps; |
Jim Miller | af281ca | 2015-04-20 19:04:21 -0700 | [diff] [blame] | 127 | private static final long FAIL_LOCKOUT_TIMEOUT_MS = 30*1000; |
Kevin Chyn | df9d33e | 2017-05-03 21:40:12 -0700 | [diff] [blame] | 128 | private static final int MAX_FAILED_ATTEMPTS_LOCKOUT_TIMED = 5; |
| 129 | private static final int MAX_FAILED_ATTEMPTS_LOCKOUT_PERMANENT = 20; |
| 130 | |
Jim Miller | 3d5e396 | 2016-06-08 01:52:50 +0000 | [diff] [blame] | 131 | private static final long CANCEL_TIMEOUT_LIMIT = 3000; // max wait for onCancel() from HAL,in ms |
Jim Miller | 975f145 | 2015-08-31 18:18:22 -0700 | [diff] [blame] | 132 | private final String mKeyguardPackage; |
Charles He | 959ac8e | 2017-03-27 21:16:20 +0100 | [diff] [blame] | 133 | private int mCurrentUserId = UserHandle.USER_NULL; |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 134 | private final FingerprintUtils mFingerprintUtils = FingerprintUtils.getInstance(); |
| 135 | private Context mContext; |
| 136 | private long mHalDeviceId; |
Kevin Chyn | 5457cba | 2017-08-30 15:28:28 -0700 | [diff] [blame] | 137 | private SparseBooleanArray mTimedLockoutCleared; |
| 138 | private SparseIntArray mFailedAttempts; |
Fyodor Kupolov | 449e708 | 2016-10-31 15:06:12 -0700 | [diff] [blame] | 139 | @GuardedBy("this") |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 140 | private IBiometricsFingerprint mDaemon; |
Kevin Chyn | aae4a15 | 2018-01-18 11:48:09 -0800 | [diff] [blame] | 141 | private IStatusBarService mStatusBarService; |
Kevin Chyn | 09da294 | 2018-03-09 13:13:11 -0800 | [diff] [blame] | 142 | private final IActivityManager mActivityManager; |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 143 | private final PowerManager mPowerManager; |
| 144 | private final AlarmManager mAlarmManager; |
| 145 | private final UserManager mUserManager; |
| 146 | private ClientMonitor mCurrentClient; |
| 147 | private ClientMonitor mPendingClient; |
Jim Miller | bcc100a | 2016-07-06 14:16:49 -0700 | [diff] [blame] | 148 | private PerformanceStats mPerformanceStats; |
| 149 | |
Kevin Chyn | d1f1a0b | 2017-04-03 13:37:48 -0700 | [diff] [blame] | 150 | private IBinder mToken = new Binder(); // used for internal FingerprintService enumeration |
Kevin Chyn | edd71f9 | 2017-09-01 16:09:57 -0700 | [diff] [blame] | 151 | private ArrayList<UserFingerprint> mUnknownFingerprints = new ArrayList<>(); // hw fingerprints |
Kevin Chyn | d1f1a0b | 2017-04-03 13:37:48 -0700 | [diff] [blame] | 152 | |
| 153 | private class UserFingerprint { |
| 154 | Fingerprint f; |
| 155 | int userId; |
| 156 | public UserFingerprint(Fingerprint f, int userId) { |
| 157 | this.f = f; |
| 158 | this.userId = userId; |
| 159 | } |
| 160 | } |
| 161 | |
Jim Miller | bcc100a | 2016-07-06 14:16:49 -0700 | [diff] [blame] | 162 | // Normal fingerprint authentications are tracked by mPerformanceMap. |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 163 | private HashMap<Integer, PerformanceStats> mPerformanceMap = new HashMap<>(); |
Jim Miller | bcc100a | 2016-07-06 14:16:49 -0700 | [diff] [blame] | 164 | |
| 165 | // Transactions that make use of CryptoObjects are tracked by mCryptoPerformaceMap. |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 166 | private HashMap<Integer, PerformanceStats> mCryptoPerformanceMap = new HashMap<>(); |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 167 | |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 168 | private Handler mHandler = new Handler() { |
Jim Miller | 80a776e | 2015-07-15 18:57:14 -0700 | [diff] [blame] | 169 | @Override |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 170 | public void handleMessage(android.os.Message msg) { |
| 171 | switch (msg.what) { |
Jorim Jaggi | aa4d32a | 2015-05-13 16:30:04 -0700 | [diff] [blame] | 172 | case MSG_USER_SWITCHING: |
| 173 | handleUserSwitching(msg.arg1); |
| 174 | break; |
| 175 | |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 176 | default: |
| 177 | Slog.w(TAG, "Unknown message:" + msg.what); |
| 178 | } |
| 179 | } |
| 180 | }; |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 181 | |
Jorim Jaggi | 5e35422 | 2015-09-04 14:17:58 -0700 | [diff] [blame] | 182 | private final BroadcastReceiver mLockoutReceiver = new BroadcastReceiver() { |
| 183 | @Override |
| 184 | public void onReceive(Context context, Intent intent) { |
| 185 | if (ACTION_LOCKOUT_RESET.equals(intent.getAction())) { |
Kevin Chyn | 5457cba | 2017-08-30 15:28:28 -0700 | [diff] [blame] | 186 | final int user = intent.getIntExtra(KEY_LOCKOUT_RESET_USER, 0); |
| 187 | resetFailedAttemptsForUser(false /* clearAttemptCounter */, user); |
Jorim Jaggi | 5e35422 | 2015-09-04 14:17:58 -0700 | [diff] [blame] | 188 | } |
| 189 | } |
| 190 | }; |
| 191 | |
Kevin Chyn | 5457cba | 2017-08-30 15:28:28 -0700 | [diff] [blame] | 192 | private final Runnable mResetFailedAttemptsForCurrentUserRunnable = new Runnable() { |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 193 | @Override |
| 194 | public void run() { |
Kevin Chyn | 5457cba | 2017-08-30 15:28:28 -0700 | [diff] [blame] | 195 | resetFailedAttemptsForUser(true /* clearAttemptCounter */, |
| 196 | ActivityManager.getCurrentUser()); |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 197 | } |
| 198 | }; |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 199 | |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 200 | private final Runnable mResetClientState = new Runnable() { |
| 201 | @Override |
| 202 | public void run() { |
| 203 | // Warning: if we get here, the driver never confirmed our call to cancel the current |
| 204 | // operation (authenticate, enroll, remove, enumerate, etc), which is |
| 205 | // really bad. The result will be a 3-second delay in starting each new client. |
| 206 | // If you see this on a device, make certain the driver notifies with |
| 207 | // {@link FingerprintManager#FINGERPRINT_ERROR_CANCEL} in response to cancel() |
| 208 | // once it has successfully switched to the IDLE state in the fingerprint HAL. |
| 209 | // Additionally,{@link FingerprintManager#FINGERPRINT_ERROR_CANCEL} should only be sent |
| 210 | // in response to an actual cancel() call. |
| 211 | Slog.w(TAG, "Client " |
| 212 | + (mCurrentClient != null ? mCurrentClient.getOwnerString() : "null") |
| 213 | + " failed to respond to cancel, starting client " |
| 214 | + (mPendingClient != null ? mPendingClient.getOwnerString() : "null")); |
Kevin Chyn | d1f1a0b | 2017-04-03 13:37:48 -0700 | [diff] [blame] | 215 | |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 216 | mCurrentClient = null; |
| 217 | startClient(mPendingClient, false); |
| 218 | } |
| 219 | }; |
| 220 | |
Kevin Chyn | 09da294 | 2018-03-09 13:13:11 -0800 | [diff] [blame] | 221 | private final TaskStackListener mTaskStackListener = new TaskStackListener() { |
| 222 | @Override |
| 223 | public void onTaskStackChanged() { |
| 224 | try { |
| 225 | if (!(mCurrentClient instanceof AuthenticationClient)) { |
| 226 | return; |
| 227 | } |
Kevin Chyn | a792fa6 | 2018-04-16 19:09:10 -0700 | [diff] [blame] | 228 | final String currentClient = mCurrentClient.getOwnerString(); |
| 229 | if (isKeyguard(currentClient)) { |
Kevin Chyn | 09da294 | 2018-03-09 13:13:11 -0800 | [diff] [blame] | 230 | return; // Keyguard is always allowed |
| 231 | } |
| 232 | List<ActivityManager.RunningTaskInfo> runningTasks = mActivityManager.getTasks(1); |
| 233 | if (!runningTasks.isEmpty()) { |
Kevin Chyn | da1b2ab | 2018-04-11 12:28:59 -0700 | [diff] [blame] | 234 | final String topPackage = runningTasks.get(0).topActivity.getPackageName(); |
Kevin Chyn | a792fa6 | 2018-04-16 19:09:10 -0700 | [diff] [blame] | 235 | if (!topPackage.contentEquals(currentClient)) { |
Kevin Chyn | da1b2ab | 2018-04-11 12:28:59 -0700 | [diff] [blame] | 236 | Slog.e(TAG, "Stopping background authentication, top: " + topPackage |
Kevin Chyn | a792fa6 | 2018-04-16 19:09:10 -0700 | [diff] [blame] | 237 | + " currentClient: " + currentClient); |
| 238 | mCurrentClient.stop(false /* initiatedByClient */); |
Kevin Chyn | 09da294 | 2018-03-09 13:13:11 -0800 | [diff] [blame] | 239 | } |
| 240 | } |
| 241 | } catch (RemoteException e) { |
| 242 | Slog.e(TAG, "Unable to get running tasks", e); |
| 243 | } |
| 244 | } |
| 245 | }; |
| 246 | |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 247 | public FingerprintService(Context context) { |
| 248 | super(context); |
| 249 | mContext = context; |
Jim Miller | 975f145 | 2015-08-31 18:18:22 -0700 | [diff] [blame] | 250 | mKeyguardPackage = ComponentName.unflattenFromString(context.getResources().getString( |
| 251 | com.android.internal.R.string.config_keyguardComponent)).getPackageName(); |
Svetoslav | 4af76a5 | 2015-04-29 15:29:46 -0700 | [diff] [blame] | 252 | mAppOps = context.getSystemService(AppOpsManager.class); |
Jorim Jaggi | 5e35422 | 2015-09-04 14:17:58 -0700 | [diff] [blame] | 253 | mPowerManager = mContext.getSystemService(PowerManager.class); |
| 254 | mAlarmManager = mContext.getSystemService(AlarmManager.class); |
| 255 | mContext.registerReceiver(mLockoutReceiver, new IntentFilter(ACTION_LOCKOUT_RESET), |
| 256 | RESET_FINGERPRINT_LOCKOUT, null /* handler */); |
Clara Bayarri | d1f722d | 2016-01-07 14:17:39 +0000 | [diff] [blame] | 257 | mUserManager = UserManager.get(mContext); |
Kevin Chyn | 5457cba | 2017-08-30 15:28:28 -0700 | [diff] [blame] | 258 | mTimedLockoutCleared = new SparseBooleanArray(); |
| 259 | mFailedAttempts = new SparseIntArray(); |
Kevin Chyn | aae4a15 | 2018-01-18 11:48:09 -0800 | [diff] [blame] | 260 | mStatusBarService = IStatusBarService.Stub.asInterface( |
| 261 | ServiceManager.getService(Context.STATUS_BAR_SERVICE)); |
Kevin Chyn | 09da294 | 2018-03-09 13:13:11 -0800 | [diff] [blame] | 262 | mActivityManager = ((ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE)) |
| 263 | .getService(); |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 264 | } |
| 265 | |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 266 | @Override |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 267 | public void serviceDied(long cookie) { |
Kevin Chyn | 80e40cc | 2017-03-14 12:31:17 -0700 | [diff] [blame] | 268 | Slog.v(TAG, "fingerprint HAL died"); |
Jim Miller | c57c8d9 | 2016-09-30 17:17:59 -0700 | [diff] [blame] | 269 | MetricsLogger.count(mContext, "fingerprintd_died", 1); |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 270 | handleError(mHalDeviceId, FingerprintManager.FINGERPRINT_ERROR_HW_UNAVAILABLE, |
| 271 | 0 /*vendorCode */); |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 272 | } |
| 273 | |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 274 | public synchronized IBiometricsFingerprint getFingerprintDaemon() { |
| 275 | if (mDaemon == null) { |
Kevin Chyn | edd71f9 | 2017-09-01 16:09:57 -0700 | [diff] [blame] | 276 | Slog.v(TAG, "mDaemon was null, reconnect to fingerprint"); |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 277 | try { |
Yifan Hong | 25d5eaa | 2017-03-16 15:25:43 -0700 | [diff] [blame] | 278 | mDaemon = IBiometricsFingerprint.getService(); |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 279 | } catch (java.util.NoSuchElementException e) { |
| 280 | // Service doesn't exist or cannot be opened. Logged below. |
| 281 | } catch (RemoteException e) { |
| 282 | Slog.e(TAG, "Failed to get biometric interface", e); |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 283 | } |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 284 | if (mDaemon == null) { |
| 285 | Slog.w(TAG, "fingerprint HIDL not available"); |
| 286 | return null; |
| 287 | } |
| 288 | |
| 289 | mDaemon.asBinder().linkToDeath(this, 0); |
| 290 | |
| 291 | try { |
| 292 | mHalDeviceId = mDaemon.setNotify(mDaemonCallback); |
| 293 | } catch (RemoteException e) { |
Kevin Chyn | 80e40cc | 2017-03-14 12:31:17 -0700 | [diff] [blame] | 294 | Slog.e(TAG, "Failed to open fingerprint HAL", e); |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 295 | mDaemon = null; // try again later! |
| 296 | } |
| 297 | |
| 298 | if (DEBUG) Slog.v(TAG, "Fingerprint HAL id: " + mHalDeviceId); |
| 299 | if (mHalDeviceId != 0) { |
Charles He | da88f0e | 2017-02-02 18:29:13 +0000 | [diff] [blame] | 300 | loadAuthenticatorIds(); |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 301 | updateActiveGroup(ActivityManager.getCurrentUser(), null); |
Kevin Chyn | edd71f9 | 2017-09-01 16:09:57 -0700 | [diff] [blame] | 302 | doFingerprintCleanupForUser(ActivityManager.getCurrentUser()); |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 303 | } else { |
| 304 | Slog.w(TAG, "Failed to open Fingerprint HAL!"); |
| 305 | MetricsLogger.count(mContext, "fingerprintd_openhal_error", 1); |
| 306 | mDaemon = null; |
| 307 | } |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 308 | } |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 309 | return mDaemon; |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 310 | } |
| 311 | |
Charles He | da88f0e | 2017-02-02 18:29:13 +0000 | [diff] [blame] | 312 | /** Populates existing authenticator ids. To be used only during the start of the service. */ |
| 313 | private void loadAuthenticatorIds() { |
| 314 | // This operation can be expensive, so keep track of the elapsed time. Might need to move to |
| 315 | // background if it takes too long. |
| 316 | long t = System.currentTimeMillis(); |
Charles He | da88f0e | 2017-02-02 18:29:13 +0000 | [diff] [blame] | 317 | mAuthenticatorIds.clear(); |
| 318 | for (UserInfo user : UserManager.get(mContext).getUsers(true /* excludeDying */)) { |
| 319 | int userId = getUserOrWorkProfileId(null, user.id); |
| 320 | if (!mAuthenticatorIds.containsKey(userId)) { |
| 321 | updateActiveGroup(userId, null); |
| 322 | } |
| 323 | } |
| 324 | |
| 325 | t = System.currentTimeMillis() - t; |
| 326 | if (t > 1000) { |
| 327 | Slog.w(TAG, "loadAuthenticatorIds() taking too long: " + t + "ms"); |
| 328 | } |
| 329 | } |
| 330 | |
Kevin Chyn | edd71f9 | 2017-09-01 16:09:57 -0700 | [diff] [blame] | 331 | /** |
| 332 | * This method should be called upon connection to the daemon, and when user switches. |
| 333 | * @param userId |
| 334 | */ |
| 335 | private void doFingerprintCleanupForUser(int userId) { |
Kevin Chyn | d1f1a0b | 2017-04-03 13:37:48 -0700 | [diff] [blame] | 336 | if (CLEANUP_UNUSED_FP) { |
Kevin Chyn | edd71f9 | 2017-09-01 16:09:57 -0700 | [diff] [blame] | 337 | enumerateUser(userId); |
Kevin Chyn | d1f1a0b | 2017-04-03 13:37:48 -0700 | [diff] [blame] | 338 | } |
| 339 | } |
| 340 | |
Kevin Chyn | edd71f9 | 2017-09-01 16:09:57 -0700 | [diff] [blame] | 341 | private void clearEnumerateState() { |
| 342 | if (DEBUG) Slog.v(TAG, "clearEnumerateState()"); |
Kevin Chyn | d1f1a0b | 2017-04-03 13:37:48 -0700 | [diff] [blame] | 343 | mUnknownFingerprints.clear(); |
| 344 | } |
| 345 | |
Kevin Chyn | edd71f9 | 2017-09-01 16:09:57 -0700 | [diff] [blame] | 346 | private void enumerateUser(int userId) { |
| 347 | if (DEBUG) Slog.v(TAG, "Enumerating user(" + userId + ")"); |
Kevin Chyn | d1f1a0b | 2017-04-03 13:37:48 -0700 | [diff] [blame] | 348 | boolean restricted = !hasPermission(MANAGE_FINGERPRINT); |
Kevin Chyn | edd71f9 | 2017-09-01 16:09:57 -0700 | [diff] [blame] | 349 | startEnumerate(mToken, userId, null, restricted, true /* internal */); |
Kevin Chyn | d1f1a0b | 2017-04-03 13:37:48 -0700 | [diff] [blame] | 350 | } |
| 351 | |
| 352 | // Remove unknown fingerprints from hardware |
| 353 | private void cleanupUnknownFingerprints() { |
| 354 | if (!mUnknownFingerprints.isEmpty()) { |
Kevin Chyn | d1f1a0b | 2017-04-03 13:37:48 -0700 | [diff] [blame] | 355 | UserFingerprint uf = mUnknownFingerprints.get(0); |
| 356 | mUnknownFingerprints.remove(uf); |
| 357 | boolean restricted = !hasPermission(MANAGE_FINGERPRINT); |
Kevin Chyn | d1f1a0b | 2017-04-03 13:37:48 -0700 | [diff] [blame] | 358 | startRemove(mToken, uf.f.getFingerId(), uf.f.getGroupId(), uf.userId, null, |
| 359 | restricted, true /* internal */); |
| 360 | } else { |
Kevin Chyn | edd71f9 | 2017-09-01 16:09:57 -0700 | [diff] [blame] | 361 | clearEnumerateState(); |
Kevin Chyn | d1f1a0b | 2017-04-03 13:37:48 -0700 | [diff] [blame] | 362 | } |
| 363 | } |
| 364 | |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 365 | protected void handleEnumerate(long deviceId, int fingerId, int groupId, int remaining) { |
Kevin Chyn | d1f1a0b | 2017-04-03 13:37:48 -0700 | [diff] [blame] | 366 | ClientMonitor client = mCurrentClient; |
| 367 | |
| 368 | if ( !(client instanceof InternalRemovalClient) && !(client instanceof EnumerateClient) ) { |
| 369 | return; |
| 370 | } |
| 371 | client.onEnumerationResult(fingerId, groupId, remaining); |
| 372 | |
| 373 | // All fingerprints in hardware for this user were enumerated |
| 374 | if (remaining == 0) { |
Kevin Chyn | d1f1a0b | 2017-04-03 13:37:48 -0700 | [diff] [blame] | 375 | if (client instanceof InternalEnumerateClient) { |
Kevin Chyn | edd71f9 | 2017-09-01 16:09:57 -0700 | [diff] [blame] | 376 | List<Fingerprint> unknownFingerprints = |
| 377 | ((InternalEnumerateClient) client).getUnknownFingerprints(); |
| 378 | |
| 379 | if (!unknownFingerprints.isEmpty()) { |
| 380 | Slog.w(TAG, "Adding " + unknownFingerprints.size() + |
| 381 | " fingerprints for deletion"); |
| 382 | } |
| 383 | for (Fingerprint f : unknownFingerprints) { |
Kevin Chyn | d1f1a0b | 2017-04-03 13:37:48 -0700 | [diff] [blame] | 384 | mUnknownFingerprints.add(new UserFingerprint(f, client.getTargetUserId())); |
| 385 | } |
Kevin Chyn | edd71f9 | 2017-09-01 16:09:57 -0700 | [diff] [blame] | 386 | removeClient(client); |
Kevin Chyn | d1f1a0b | 2017-04-03 13:37:48 -0700 | [diff] [blame] | 387 | cleanupUnknownFingerprints(); |
Kevin Chyn | edd71f9 | 2017-09-01 16:09:57 -0700 | [diff] [blame] | 388 | } else { |
| 389 | removeClient(client); |
Kevin Chyn | d1f1a0b | 2017-04-03 13:37:48 -0700 | [diff] [blame] | 390 | } |
| 391 | } |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 392 | } |
| 393 | |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 394 | protected void handleError(long deviceId, int error, int vendorCode) { |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 395 | ClientMonitor client = mCurrentClient; |
Kevin Chyn | d1f1a0b | 2017-04-03 13:37:48 -0700 | [diff] [blame] | 396 | if (client instanceof InternalRemovalClient || client instanceof InternalEnumerateClient) { |
Kevin Chyn | edd71f9 | 2017-09-01 16:09:57 -0700 | [diff] [blame] | 397 | clearEnumerateState(); |
Kevin Chyn | d1f1a0b | 2017-04-03 13:37:48 -0700 | [diff] [blame] | 398 | } |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 399 | if (client != null && client.onError(error, vendorCode)) { |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 400 | removeClient(client); |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 401 | } |
Kevin Chyn | df9d33e | 2017-05-03 21:40:12 -0700 | [diff] [blame] | 402 | |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 403 | if (DEBUG) Slog.v(TAG, "handleError(client=" |
Jim Miller | c1e61b8 | 2016-04-18 13:00:40 -0700 | [diff] [blame] | 404 | + (client != null ? client.getOwnerString() : "null") + ", error = " + error + ")"); |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 405 | // This is the magic code that starts the next client when the old client finishes. |
| 406 | if (error == FingerprintManager.FINGERPRINT_ERROR_CANCELED) { |
| 407 | mHandler.removeCallbacks(mResetClientState); |
| 408 | if (mPendingClient != null) { |
| 409 | if (DEBUG) Slog.v(TAG, "start pending client " + mPendingClient.getOwnerString()); |
| 410 | startClient(mPendingClient, false); |
| 411 | mPendingClient = null; |
| 412 | } |
Jim Miller | 8eddd33 | 2017-03-22 16:40:10 -0700 | [diff] [blame] | 413 | } else if (error == FingerprintManager.FINGERPRINT_ERROR_HW_UNAVAILABLE) { |
| 414 | // If we get HW_UNAVAILABLE, try to connect again later... |
| 415 | Slog.w(TAG, "Got ERROR_HW_UNAVAILABLE; try reconnecting next client."); |
| 416 | synchronized (this) { |
| 417 | mDaemon = null; |
| 418 | mHalDeviceId = 0; |
Charles He | 959ac8e | 2017-03-27 21:16:20 +0100 | [diff] [blame] | 419 | mCurrentUserId = UserHandle.USER_NULL; |
Jim Miller | 8eddd33 | 2017-03-22 16:40:10 -0700 | [diff] [blame] | 420 | } |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 421 | } |
| 422 | } |
| 423 | |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 424 | protected void handleRemoved(long deviceId, int fingerId, int groupId, int remaining) { |
Kevin Chyn | d1f1a0b | 2017-04-03 13:37:48 -0700 | [diff] [blame] | 425 | if (DEBUG) Slog.w(TAG, "Removed: fid=" + fingerId |
| 426 | + ", gid=" + groupId |
| 427 | + ", dev=" + deviceId |
| 428 | + ", rem=" + remaining); |
| 429 | |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 430 | ClientMonitor client = mCurrentClient; |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 431 | if (client != null && client.onRemoved(fingerId, groupId, remaining)) { |
Jim Miller | 07dbd63 | 2016-04-05 18:22:30 -0700 | [diff] [blame] | 432 | removeClient(client); |
Charles He | 29b3a8a | 2017-05-04 16:02:38 +0100 | [diff] [blame] | 433 | // When the last fingerprint of a group is removed, update the authenticator id |
| 434 | if (!hasEnrolledFingerprints(groupId)) { |
| 435 | updateActiveGroup(groupId, null); |
| 436 | } |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 437 | } |
Kevin Chyn | d1f1a0b | 2017-04-03 13:37:48 -0700 | [diff] [blame] | 438 | if (client instanceof InternalRemovalClient && !mUnknownFingerprints.isEmpty()) { |
| 439 | cleanupUnknownFingerprints(); |
| 440 | } else if (client instanceof InternalRemovalClient){ |
Kevin Chyn | edd71f9 | 2017-09-01 16:09:57 -0700 | [diff] [blame] | 441 | clearEnumerateState(); |
Kevin Chyn | d1f1a0b | 2017-04-03 13:37:48 -0700 | [diff] [blame] | 442 | } |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 443 | } |
| 444 | |
Jim Miller | a8eaeeb | 2017-01-24 14:47:04 -0800 | [diff] [blame] | 445 | protected void handleAuthenticated(long deviceId, int fingerId, int groupId, |
| 446 | ArrayList<Byte> token) { |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 447 | ClientMonitor client = mCurrentClient; |
Jim Miller | a8eaeeb | 2017-01-24 14:47:04 -0800 | [diff] [blame] | 448 | if (fingerId != 0) { |
| 449 | // Ugh... |
| 450 | final byte[] byteToken = new byte[token.size()]; |
| 451 | for (int i = 0; i < token.size(); i++) { |
| 452 | byteToken[i] = token.get(i); |
| 453 | } |
| 454 | // Send to Keystore |
Brian Young | da82e2c | 2018-02-22 23:36:34 +0000 | [diff] [blame] | 455 | KeyStore.getInstance().addAuthToken(byteToken); |
Jim Miller | a8eaeeb | 2017-01-24 14:47:04 -0800 | [diff] [blame] | 456 | } |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 457 | if (client != null && client.onAuthenticated(fingerId, groupId)) { |
| 458 | removeClient(client); |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 459 | } |
Jim Miller | bcc100a | 2016-07-06 14:16:49 -0700 | [diff] [blame] | 460 | if (fingerId != 0) { |
| 461 | mPerformanceStats.accept++; |
| 462 | } else { |
| 463 | mPerformanceStats.reject++; |
| 464 | } |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 465 | } |
| 466 | |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 467 | protected void handleAcquired(long deviceId, int acquiredInfo, int vendorCode) { |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 468 | ClientMonitor client = mCurrentClient; |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 469 | if (client != null && client.onAcquired(acquiredInfo, vendorCode)) { |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 470 | removeClient(client); |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 471 | } |
Kevin Chyn | df9d33e | 2017-05-03 21:40:12 -0700 | [diff] [blame] | 472 | if (mPerformanceStats != null && getLockoutMode() == AuthenticationClient.LOCKOUT_NONE |
Jim Miller | bcc100a | 2016-07-06 14:16:49 -0700 | [diff] [blame] | 473 | && client instanceof AuthenticationClient) { |
| 474 | // ignore enrollment acquisitions or acquisitions when we're locked out |
| 475 | mPerformanceStats.acquire++; |
| 476 | } |
Jim Miller | dca15d2 | 2015-06-16 20:55:13 -0700 | [diff] [blame] | 477 | } |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 478 | |
Jim Miller | 8b3c25a | 2015-08-28 17:29:49 -0700 | [diff] [blame] | 479 | protected void handleEnrollResult(long deviceId, int fingerId, int groupId, int remaining) { |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 480 | ClientMonitor client = mCurrentClient; |
| 481 | if (client != null && client.onEnrollResult(fingerId, groupId, remaining)) { |
| 482 | removeClient(client); |
Charles He | 29b3a8a | 2017-05-04 16:02:38 +0100 | [diff] [blame] | 483 | // When enrollment finishes, update this group's authenticator id, as the HAL has |
| 484 | // already generated a new authenticator id when the new fingerprint is enrolled. |
| 485 | updateActiveGroup(groupId, null); |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 486 | } |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 487 | } |
| 488 | |
Jim Miller | 8b3c25a | 2015-08-28 17:29:49 -0700 | [diff] [blame] | 489 | private void userActivity() { |
| 490 | long now = SystemClock.uptimeMillis(); |
| 491 | mPowerManager.userActivity(now, PowerManager.USER_ACTIVITY_EVENT_TOUCH, 0); |
| 492 | } |
| 493 | |
| 494 | void handleUserSwitching(int userId) { |
Kevin Chyn | edd71f9 | 2017-09-01 16:09:57 -0700 | [diff] [blame] | 495 | if (mCurrentClient instanceof InternalRemovalClient |
| 496 | || mCurrentClient instanceof InternalEnumerateClient) { |
| 497 | Slog.w(TAG, "User switched while performing cleanup"); |
| 498 | removeClient(mCurrentClient); |
| 499 | clearEnumerateState(); |
| 500 | } |
Clara Bayarri | d1f722d | 2016-01-07 14:17:39 +0000 | [diff] [blame] | 501 | updateActiveGroup(userId, null); |
Kevin Chyn | edd71f9 | 2017-09-01 16:09:57 -0700 | [diff] [blame] | 502 | doFingerprintCleanupForUser(userId); |
Jim Miller | 8b3c25a | 2015-08-28 17:29:49 -0700 | [diff] [blame] | 503 | } |
| 504 | |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 505 | private void removeClient(ClientMonitor client) { |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 506 | if (client != null) { |
| 507 | client.destroy(); |
| 508 | if (client != mCurrentClient && mCurrentClient != null) { |
| 509 | Slog.w(TAG, "Unexpected client: " + client.getOwnerString() + "expected: " |
| 510 | + mCurrentClient != null ? mCurrentClient.getOwnerString() : "null"); |
| 511 | } |
| 512 | } |
| 513 | if (mCurrentClient != null) { |
| 514 | if (DEBUG) Slog.v(TAG, "Done with client: " + client.getOwnerString()); |
| 515 | mCurrentClient = null; |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 516 | } |
Phil Weaver | 27fcd9c | 2017-01-20 15:57:24 -0800 | [diff] [blame] | 517 | if (mPendingClient == null) { |
| 518 | notifyClientActiveCallbacks(false); |
| 519 | } |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 520 | } |
| 521 | |
Kevin Chyn | df9d33e | 2017-05-03 21:40:12 -0700 | [diff] [blame] | 522 | private int getLockoutMode() { |
Kevin Chyn | 5457cba | 2017-08-30 15:28:28 -0700 | [diff] [blame] | 523 | final int currentUser = ActivityManager.getCurrentUser(); |
| 524 | final int failedAttempts = mFailedAttempts.get(currentUser, 0); |
| 525 | if (failedAttempts >= MAX_FAILED_ATTEMPTS_LOCKOUT_PERMANENT) { |
Kevin Chyn | df9d33e | 2017-05-03 21:40:12 -0700 | [diff] [blame] | 526 | return AuthenticationClient.LOCKOUT_PERMANENT; |
Kevin Chyn | 5457cba | 2017-08-30 15:28:28 -0700 | [diff] [blame] | 527 | } else if (failedAttempts > 0 && |
| 528 | mTimedLockoutCleared.get(currentUser, false) == false |
| 529 | && (failedAttempts % MAX_FAILED_ATTEMPTS_LOCKOUT_TIMED == 0)) { |
Kevin Chyn | df9d33e | 2017-05-03 21:40:12 -0700 | [diff] [blame] | 530 | return AuthenticationClient.LOCKOUT_TIMED; |
| 531 | } |
| 532 | return AuthenticationClient.LOCKOUT_NONE; |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 533 | } |
| 534 | |
Kevin Chyn | 5457cba | 2017-08-30 15:28:28 -0700 | [diff] [blame] | 535 | private void scheduleLockoutResetForUser(int userId) { |
| 536 | mAlarmManager.setExact(AlarmManager.ELAPSED_REALTIME_WAKEUP, |
| 537 | SystemClock.elapsedRealtime() + FAIL_LOCKOUT_TIMEOUT_MS, |
| 538 | getLockoutResetIntentForUser(userId)); |
Jorim Jaggi | 5e35422 | 2015-09-04 14:17:58 -0700 | [diff] [blame] | 539 | } |
| 540 | |
Kevin Chyn | 5457cba | 2017-08-30 15:28:28 -0700 | [diff] [blame] | 541 | private void cancelLockoutResetForUser(int userId) { |
| 542 | mAlarmManager.cancel(getLockoutResetIntentForUser(userId)); |
Jorim Jaggi | 5e35422 | 2015-09-04 14:17:58 -0700 | [diff] [blame] | 543 | } |
| 544 | |
Kevin Chyn | 5457cba | 2017-08-30 15:28:28 -0700 | [diff] [blame] | 545 | private PendingIntent getLockoutResetIntentForUser(int userId) { |
| 546 | return PendingIntent.getBroadcast(mContext, userId, |
| 547 | new Intent(ACTION_LOCKOUT_RESET).putExtra(KEY_LOCKOUT_RESET_USER, userId), |
| 548 | PendingIntent.FLAG_UPDATE_CURRENT); |
Jorim Jaggi | 5e35422 | 2015-09-04 14:17:58 -0700 | [diff] [blame] | 549 | } |
| 550 | |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 551 | public long startPreEnroll(IBinder token) { |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 552 | IBiometricsFingerprint daemon = getFingerprintDaemon(); |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 553 | if (daemon == null) { |
Kevin Chyn | 80e40cc | 2017-03-14 12:31:17 -0700 | [diff] [blame] | 554 | Slog.w(TAG, "startPreEnroll: no fingerprint HAL!"); |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 555 | return 0; |
| 556 | } |
| 557 | try { |
| 558 | return daemon.preEnroll(); |
| 559 | } catch (RemoteException e) { |
| 560 | Slog.e(TAG, "startPreEnroll failed", e); |
| 561 | } |
| 562 | return 0; |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 563 | } |
| 564 | |
Sasha Levitskiy | e0943cf | 2015-07-08 13:22:20 -0700 | [diff] [blame] | 565 | public int startPostEnroll(IBinder token) { |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 566 | IBiometricsFingerprint daemon = getFingerprintDaemon(); |
Sasha Levitskiy | e0943cf | 2015-07-08 13:22:20 -0700 | [diff] [blame] | 567 | if (daemon == null) { |
Kevin Chyn | 80e40cc | 2017-03-14 12:31:17 -0700 | [diff] [blame] | 568 | Slog.w(TAG, "startPostEnroll: no fingerprint HAL!"); |
Sasha Levitskiy | e0943cf | 2015-07-08 13:22:20 -0700 | [diff] [blame] | 569 | return 0; |
| 570 | } |
| 571 | try { |
| 572 | return daemon.postEnroll(); |
| 573 | } catch (RemoteException e) { |
| 574 | Slog.e(TAG, "startPostEnroll failed", e); |
| 575 | } |
| 576 | return 0; |
| 577 | } |
| 578 | |
Jim Miller | 80a776e | 2015-07-15 18:57:14 -0700 | [diff] [blame] | 579 | /** |
Kevin Chyn | 80e40cc | 2017-03-14 12:31:17 -0700 | [diff] [blame] | 580 | * Calls fingerprint HAL to switch states to the new task. If there's already a current task, |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 581 | * it calls cancel() and sets mPendingClient to begin when the current task finishes |
| 582 | * ({@link FingerprintManager#FINGERPRINT_ERROR_CANCELED}). |
| 583 | * @param newClient the new client that wants to connect |
| 584 | * @param initiatedByClient true for authenticate, remove and enroll |
Jim Miller | 80a776e | 2015-07-15 18:57:14 -0700 | [diff] [blame] | 585 | */ |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 586 | private void startClient(ClientMonitor newClient, boolean initiatedByClient) { |
| 587 | ClientMonitor currentClient = mCurrentClient; |
| 588 | if (currentClient != null) { |
| 589 | if (DEBUG) Slog.v(TAG, "request stop current client " + currentClient.getOwnerString()); |
Kevin Chyn | d1f1a0b | 2017-04-03 13:37:48 -0700 | [diff] [blame] | 590 | if (currentClient instanceof InternalEnumerateClient || |
| 591 | currentClient instanceof InternalRemovalClient) { |
| 592 | // This condition means we're currently running internal diagnostics to |
| 593 | // remove extra fingerprints in the hardware and/or the software |
| 594 | // TODO: design an escape hatch in case client never finishes |
Kevin Chyn | edd71f9 | 2017-09-01 16:09:57 -0700 | [diff] [blame] | 595 | if (newClient != null) { |
| 596 | Slog.w(TAG, "Internal cleanup in progress but trying to start client " |
| 597 | + newClient.getClass().getSuperclass().getSimpleName() |
| 598 | + "(" + newClient.getOwnerString() + ")" |
| 599 | + ", initiatedByClient = " + initiatedByClient); |
| 600 | } |
Kevin Chyn | d1f1a0b | 2017-04-03 13:37:48 -0700 | [diff] [blame] | 601 | } |
| 602 | else { |
| 603 | currentClient.stop(initiatedByClient); |
| 604 | } |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 605 | mPendingClient = newClient; |
| 606 | mHandler.removeCallbacks(mResetClientState); |
| 607 | mHandler.postDelayed(mResetClientState, CANCEL_TIMEOUT_LIMIT); |
| 608 | } else if (newClient != null) { |
| 609 | mCurrentClient = newClient; |
| 610 | if (DEBUG) Slog.v(TAG, "starting client " |
| 611 | + newClient.getClass().getSuperclass().getSimpleName() |
| 612 | + "(" + newClient.getOwnerString() + ")" |
Kevin Chyn | edd71f9 | 2017-09-01 16:09:57 -0700 | [diff] [blame] | 613 | + ", initiatedByClient = " + initiatedByClient); |
Phil Weaver | 27fcd9c | 2017-01-20 15:57:24 -0800 | [diff] [blame] | 614 | notifyClientActiveCallbacks(true); |
| 615 | |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 616 | newClient.start(); |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 617 | } |
| 618 | } |
| 619 | |
Jim Miller | 8f2aca0 | 2016-04-20 13:34:11 -0700 | [diff] [blame] | 620 | void startRemove(IBinder token, int fingerId, int groupId, int userId, |
Kevin Chyn | d1f1a0b | 2017-04-03 13:37:48 -0700 | [diff] [blame] | 621 | IFingerprintServiceReceiver receiver, boolean restricted, boolean internal) { |
Ilya Matyukhin | 606f171 | 2018-04-26 14:28:45 -0700 | [diff] [blame] | 622 | if (token == null) { |
| 623 | Slog.w(TAG, "startRemove: token is null"); |
| 624 | return; |
| 625 | } |
| 626 | if (receiver == null) { |
| 627 | Slog.w(TAG, "startRemove: receiver is null"); |
| 628 | return; |
| 629 | } |
| 630 | |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 631 | IBiometricsFingerprint daemon = getFingerprintDaemon(); |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 632 | if (daemon == null) { |
Kevin Chyn | 80e40cc | 2017-03-14 12:31:17 -0700 | [diff] [blame] | 633 | Slog.w(TAG, "startRemove: no fingerprint HAL!"); |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 634 | return; |
| 635 | } |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 636 | |
Kevin Chyn | d1f1a0b | 2017-04-03 13:37:48 -0700 | [diff] [blame] | 637 | if (internal) { |
| 638 | Context context = getContext(); |
| 639 | InternalRemovalClient client = new InternalRemovalClient(context, mHalDeviceId, |
| 640 | token, receiver, fingerId, groupId, userId, restricted, |
| 641 | context.getOpPackageName()) { |
| 642 | @Override |
| 643 | public void notifyUserActivity() { |
| 644 | |
| 645 | } |
| 646 | @Override |
| 647 | public IBiometricsFingerprint getFingerprintDaemon() { |
| 648 | return FingerprintService.this.getFingerprintDaemon(); |
| 649 | } |
| 650 | }; |
| 651 | startClient(client, true); |
| 652 | } |
| 653 | else { |
| 654 | RemovalClient client = new RemovalClient(getContext(), mHalDeviceId, token, |
| 655 | receiver, fingerId, groupId, userId, restricted, token.toString()) { |
| 656 | @Override |
| 657 | public void notifyUserActivity() { |
| 658 | FingerprintService.this.userActivity(); |
| 659 | } |
| 660 | |
| 661 | @Override |
| 662 | public IBiometricsFingerprint getFingerprintDaemon() { |
| 663 | return FingerprintService.this.getFingerprintDaemon(); |
| 664 | } |
| 665 | }; |
| 666 | startClient(client, true); |
| 667 | } |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 668 | } |
| 669 | |
| 670 | void startEnumerate(IBinder token, int userId, |
Kevin Chyn | d1f1a0b | 2017-04-03 13:37:48 -0700 | [diff] [blame] | 671 | IFingerprintServiceReceiver receiver, boolean restricted, boolean internal) { |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 672 | IBiometricsFingerprint daemon = getFingerprintDaemon(); |
| 673 | if (daemon == null) { |
Kevin Chyn | 80e40cc | 2017-03-14 12:31:17 -0700 | [diff] [blame] | 674 | Slog.w(TAG, "startEnumerate: no fingerprint HAL!"); |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 675 | return; |
| 676 | } |
Kevin Chyn | d1f1a0b | 2017-04-03 13:37:48 -0700 | [diff] [blame] | 677 | if (internal) { |
| 678 | List<Fingerprint> enrolledList = getEnrolledFingerprints(userId); |
| 679 | Context context = getContext(); |
| 680 | InternalEnumerateClient client = new InternalEnumerateClient(context, mHalDeviceId, |
| 681 | token, receiver, userId, userId, restricted, context.getOpPackageName(), |
| 682 | enrolledList) { |
| 683 | @Override |
| 684 | public void notifyUserActivity() { |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 685 | |
Kevin Chyn | d1f1a0b | 2017-04-03 13:37:48 -0700 | [diff] [blame] | 686 | } |
| 687 | |
| 688 | @Override |
| 689 | public IBiometricsFingerprint getFingerprintDaemon() { |
| 690 | return FingerprintService.this.getFingerprintDaemon(); |
| 691 | } |
| 692 | }; |
| 693 | startClient(client, true); |
| 694 | } |
| 695 | else { |
| 696 | EnumerateClient client = new EnumerateClient(getContext(), mHalDeviceId, token, |
| 697 | receiver, userId, userId, restricted, token.toString()) { |
| 698 | @Override |
| 699 | public void notifyUserActivity() { |
| 700 | FingerprintService.this.userActivity(); |
| 701 | } |
| 702 | |
| 703 | @Override |
| 704 | public IBiometricsFingerprint getFingerprintDaemon() { |
| 705 | return FingerprintService.this.getFingerprintDaemon(); |
| 706 | } |
| 707 | }; |
| 708 | startClient(client, true); |
| 709 | } |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 710 | } |
| 711 | |
Jim Miller | 599ef0e | 2015-06-15 20:39:44 -0700 | [diff] [blame] | 712 | public List<Fingerprint> getEnrolledFingerprints(int userId) { |
| 713 | return mFingerprintUtils.getFingerprintsForUser(mContext, userId); |
Jim Miller | 9f0753f | 2015-03-23 23:59:22 -0700 | [diff] [blame] | 714 | } |
| 715 | |
Jim Miller | 599ef0e | 2015-06-15 20:39:44 -0700 | [diff] [blame] | 716 | public boolean hasEnrolledFingerprints(int userId) { |
Jim Miller | 1fd298b | 2016-02-25 16:42:28 -0800 | [diff] [blame] | 717 | if (userId != UserHandle.getCallingUserId()) { |
Clara Bayarri | 33fd3cf | 2016-02-19 16:54:49 +0000 | [diff] [blame] | 718 | checkPermission(INTERACT_ACROSS_USERS); |
| 719 | } |
Jim Miller | 599ef0e | 2015-06-15 20:39:44 -0700 | [diff] [blame] | 720 | return mFingerprintUtils.getFingerprintsForUser(mContext, userId).size() > 0; |
Jorim Jaggi | 2aad7ee | 2015-04-14 15:25:06 -0700 | [diff] [blame] | 721 | } |
| 722 | |
Jim Miller | f501b58 | 2015-06-03 16:36:31 -0700 | [diff] [blame] | 723 | boolean hasPermission(String permission) { |
| 724 | return getContext().checkCallingOrSelfPermission(permission) |
| 725 | == PackageManager.PERMISSION_GRANTED; |
| 726 | } |
| 727 | |
Jim Miller | ba67aee | 2015-02-20 16:21:26 -0800 | [diff] [blame] | 728 | void checkPermission(String permission) { |
Jim Miller | 9f0753f | 2015-03-23 23:59:22 -0700 | [diff] [blame] | 729 | getContext().enforceCallingOrSelfPermission(permission, |
| 730 | "Must have " + permission + " permission."); |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 731 | } |
| 732 | |
Andres Morales | 494d6e9 | 2015-08-06 15:01:41 -0700 | [diff] [blame] | 733 | int getEffectiveUserId(int userId) { |
| 734 | UserManager um = UserManager.get(mContext); |
| 735 | if (um != null) { |
| 736 | final long callingIdentity = Binder.clearCallingIdentity(); |
| 737 | userId = um.getCredentialOwnerProfile(userId); |
| 738 | Binder.restoreCallingIdentity(callingIdentity); |
| 739 | } else { |
| 740 | Slog.e(TAG, "Unable to acquire UserManager"); |
| 741 | } |
| 742 | return userId; |
| 743 | } |
| 744 | |
Jim Miller | cb7d9e9 | 2015-06-16 15:05:48 -0700 | [diff] [blame] | 745 | boolean isCurrentUserOrProfile(int userId) { |
| 746 | UserManager um = UserManager.get(mContext); |
Charles He | da88f0e | 2017-02-02 18:29:13 +0000 | [diff] [blame] | 747 | if (um == null) { |
| 748 | Slog.e(TAG, "Unable to acquire UserManager"); |
| 749 | return false; |
Jim Miller | cb7d9e9 | 2015-06-16 15:05:48 -0700 | [diff] [blame] | 750 | } |
Charles He | da88f0e | 2017-02-02 18:29:13 +0000 | [diff] [blame] | 751 | |
| 752 | final long token = Binder.clearCallingIdentity(); |
| 753 | try { |
| 754 | // Allow current user or profiles of the current user... |
Charles He | 959ac8e | 2017-03-27 21:16:20 +0100 | [diff] [blame] | 755 | for (int profileId : um.getEnabledProfileIds(ActivityManager.getCurrentUser())) { |
Charles He | da88f0e | 2017-02-02 18:29:13 +0000 | [diff] [blame] | 756 | if (profileId == userId) { |
| 757 | return true; |
| 758 | } |
| 759 | } |
Charles He | da88f0e | 2017-02-02 18:29:13 +0000 | [diff] [blame] | 760 | } finally { |
| 761 | Binder.restoreCallingIdentity(token); |
| 762 | } |
Charles He | 959ac8e | 2017-03-27 21:16:20 +0100 | [diff] [blame] | 763 | |
| 764 | return false; |
Jim Miller | cb7d9e9 | 2015-06-16 15:05:48 -0700 | [diff] [blame] | 765 | } |
| 766 | |
Jim Miller | 975f145 | 2015-08-31 18:18:22 -0700 | [diff] [blame] | 767 | private boolean isForegroundActivity(int uid, int pid) { |
| 768 | try { |
| 769 | List<RunningAppProcessInfo> procs = |
Sudheer Shanka | dc589ac | 2016-11-10 15:30:17 -0800 | [diff] [blame] | 770 | ActivityManager.getService().getRunningAppProcesses(); |
Jim Miller | 975f145 | 2015-08-31 18:18:22 -0700 | [diff] [blame] | 771 | int N = procs.size(); |
| 772 | for (int i = 0; i < N; i++) { |
| 773 | RunningAppProcessInfo proc = procs.get(i); |
| 774 | if (proc.pid == pid && proc.uid == uid |
Svet Ganov | 3121760 | 2018-05-18 19:59:25 -0700 | [diff] [blame] | 775 | && proc.importance <= IMPORTANCE_FOREGROUND_SERVICE) { |
Jim Miller | 975f145 | 2015-08-31 18:18:22 -0700 | [diff] [blame] | 776 | return true; |
| 777 | } |
| 778 | } |
| 779 | } catch (RemoteException e) { |
| 780 | Slog.w(TAG, "am.getRunningAppProcesses() failed"); |
| 781 | } |
| 782 | return false; |
| 783 | } |
| 784 | |
| 785 | /** |
| 786 | * @param opPackageName name of package for caller |
Jim Miller | 37979c9 | 2016-08-05 18:54:58 -0700 | [diff] [blame] | 787 | * @param requireForeground only allow this call while app is in the foreground |
Jim Miller | 975f145 | 2015-08-31 18:18:22 -0700 | [diff] [blame] | 788 | * @return true if caller can use fingerprint API |
| 789 | */ |
Jim Miller | 37979c9 | 2016-08-05 18:54:58 -0700 | [diff] [blame] | 790 | private boolean canUseFingerprint(String opPackageName, boolean requireForeground, int uid, |
Kevin Chyn | f4023b5 | 2017-04-07 16:29:19 -0700 | [diff] [blame] | 791 | int pid, int userId) { |
Vishwath Mohan | cf87df1 | 2018-03-20 22:57:17 -0700 | [diff] [blame] | 792 | if (getContext().checkCallingPermission(USE_FINGERPRINT) |
| 793 | != PackageManager.PERMISSION_GRANTED) { |
| 794 | checkPermission(USE_BIOMETRIC); |
| 795 | } |
| 796 | |
Clara Bayarri | d1f722d | 2016-01-07 14:17:39 +0000 | [diff] [blame] | 797 | if (isKeyguard(opPackageName)) { |
Jim Miller | 975f145 | 2015-08-31 18:18:22 -0700 | [diff] [blame] | 798 | return true; // Keyguard is always allowed |
| 799 | } |
Kevin Chyn | f4023b5 | 2017-04-07 16:29:19 -0700 | [diff] [blame] | 800 | if (!isCurrentUserOrProfile(userId)) { |
Jim Miller | 975f145 | 2015-08-31 18:18:22 -0700 | [diff] [blame] | 801 | Slog.w(TAG,"Rejecting " + opPackageName + " ; not a current user or profile"); |
| 802 | return false; |
| 803 | } |
| 804 | if (mAppOps.noteOp(AppOpsManager.OP_USE_FINGERPRINT, uid, opPackageName) |
| 805 | != AppOpsManager.MODE_ALLOWED) { |
Jim Miller | 1adb4a7 | 2015-09-14 18:58:08 -0700 | [diff] [blame] | 806 | Slog.w(TAG, "Rejecting " + opPackageName + " ; permission denied"); |
Jim Miller | 975f145 | 2015-08-31 18:18:22 -0700 | [diff] [blame] | 807 | return false; |
| 808 | } |
Jim Miller | 37979c9 | 2016-08-05 18:54:58 -0700 | [diff] [blame] | 809 | if (requireForeground && !(isForegroundActivity(uid, pid) || currentClient(opPackageName))){ |
Jim Miller | 1adb4a7 | 2015-09-14 18:58:08 -0700 | [diff] [blame] | 810 | Slog.w(TAG, "Rejecting " + opPackageName + " ; not in foreground"); |
Jim Miller | 975f145 | 2015-08-31 18:18:22 -0700 | [diff] [blame] | 811 | return false; |
| 812 | } |
| 813 | return true; |
Svetoslav | 4af76a5 | 2015-04-29 15:29:46 -0700 | [diff] [blame] | 814 | } |
| 815 | |
Clara Bayarri | d1f722d | 2016-01-07 14:17:39 +0000 | [diff] [blame] | 816 | /** |
Jim Miller | 37979c9 | 2016-08-05 18:54:58 -0700 | [diff] [blame] | 817 | * @param opPackageName package of the caller |
| 818 | * @return true if this is the same client currently using fingerprint |
| 819 | */ |
| 820 | private boolean currentClient(String opPackageName) { |
| 821 | return mCurrentClient != null && mCurrentClient.getOwnerString().equals(opPackageName); |
| 822 | } |
| 823 | |
| 824 | /** |
Clara Bayarri | d1f722d | 2016-01-07 14:17:39 +0000 | [diff] [blame] | 825 | * @param clientPackage |
| 826 | * @return true if this is keyguard package |
| 827 | */ |
| 828 | private boolean isKeyguard(String clientPackage) { |
| 829 | return mKeyguardPackage.equals(clientPackage); |
| 830 | } |
| 831 | |
Jorim Jaggi | 3a46478 | 2015-08-28 16:59:13 -0700 | [diff] [blame] | 832 | private void addLockoutResetMonitor(FingerprintServiceLockoutResetMonitor monitor) { |
| 833 | if (!mLockoutMonitors.contains(monitor)) { |
| 834 | mLockoutMonitors.add(monitor); |
| 835 | } |
| 836 | } |
| 837 | |
| 838 | private void removeLockoutResetCallback( |
| 839 | FingerprintServiceLockoutResetMonitor monitor) { |
| 840 | mLockoutMonitors.remove(monitor); |
| 841 | } |
| 842 | |
| 843 | private void notifyLockoutResetMonitors() { |
| 844 | for (int i = 0; i < mLockoutMonitors.size(); i++) { |
| 845 | mLockoutMonitors.get(i).sendLockoutReset(); |
| 846 | } |
| 847 | } |
| 848 | |
Phil Weaver | 27fcd9c | 2017-01-20 15:57:24 -0800 | [diff] [blame] | 849 | private void notifyClientActiveCallbacks(boolean isActive) { |
| 850 | List<IFingerprintClientActiveCallback> callbacks = mClientActiveCallbacks; |
| 851 | for (int i = 0; i < callbacks.size(); i++) { |
| 852 | try { |
| 853 | callbacks.get(i).onClientActiveChanged(isActive); |
| 854 | } catch (RemoteException re) { |
| 855 | // If the remote is dead, stop notifying it |
| 856 | mClientActiveCallbacks.remove(callbacks.get(i)); |
Charles He | 959ac8e | 2017-03-27 21:16:20 +0100 | [diff] [blame] | 857 | } |
Phil Weaver | 27fcd9c | 2017-01-20 15:57:24 -0800 | [diff] [blame] | 858 | } |
| 859 | } |
| 860 | |
Tony Mak | ff715ac | 2016-04-19 20:44:12 +0100 | [diff] [blame] | 861 | private void startAuthentication(IBinder token, long opId, int callingUserId, int groupId, |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 862 | IFingerprintServiceReceiver receiver, int flags, boolean restricted, |
Vishwath Mohan | ecf00ce | 2018-04-05 10:28:24 -0700 | [diff] [blame] | 863 | String opPackageName, Bundle bundle, IBiometricPromptReceiver dialogReceiver) { |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 864 | updateActiveGroup(groupId, opPackageName); |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 865 | |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 866 | if (DEBUG) Slog.v(TAG, "startAuthentication(" + opPackageName + ")"); |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 867 | |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 868 | AuthenticationClient client = new AuthenticationClient(getContext(), mHalDeviceId, token, |
Kevin Chyn | aae4a15 | 2018-01-18 11:48:09 -0800 | [diff] [blame] | 869 | receiver, mCurrentUserId, groupId, opId, restricted, opPackageName, bundle, |
| 870 | dialogReceiver, mStatusBarService) { |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 871 | @Override |
Kevin Chyn | d4f43c2 | 2018-03-12 17:33:13 -0700 | [diff] [blame] | 872 | public void onStart() { |
| 873 | try { |
| 874 | mActivityManager.registerTaskStackListener(mTaskStackListener); |
| 875 | } catch (RemoteException e) { |
| 876 | Slog.e(TAG, "Could not register task stack listener", e); |
| 877 | } |
| 878 | } |
| 879 | |
| 880 | @Override |
| 881 | public void onStop() { |
| 882 | try { |
| 883 | mActivityManager.unregisterTaskStackListener(mTaskStackListener); |
| 884 | } catch (RemoteException e) { |
| 885 | Slog.e(TAG, "Could not unregister task stack listener", e); |
| 886 | } |
| 887 | } |
| 888 | |
| 889 | @Override |
Kevin Chyn | df9d33e | 2017-05-03 21:40:12 -0700 | [diff] [blame] | 890 | public int handleFailedAttempt() { |
Kevin Chyn | 5457cba | 2017-08-30 15:28:28 -0700 | [diff] [blame] | 891 | final int currentUser = ActivityManager.getCurrentUser(); |
| 892 | mFailedAttempts.put(currentUser, mFailedAttempts.get(currentUser, 0) + 1); |
| 893 | mTimedLockoutCleared.put(ActivityManager.getCurrentUser(), false); |
Kevin Chyn | df9d33e | 2017-05-03 21:40:12 -0700 | [diff] [blame] | 894 | final int lockoutMode = getLockoutMode(); |
| 895 | if (lockoutMode == AuthenticationClient.LOCKOUT_PERMANENT) { |
| 896 | mPerformanceStats.permanentLockout++; |
| 897 | } else if (lockoutMode == AuthenticationClient.LOCKOUT_TIMED) { |
Jim Miller | bcc100a | 2016-07-06 14:16:49 -0700 | [diff] [blame] | 898 | mPerformanceStats.lockout++; |
| 899 | } |
Kevin Chyn | df9d33e | 2017-05-03 21:40:12 -0700 | [diff] [blame] | 900 | |
| 901 | // Failing multiple times will continue to push out the lockout time |
| 902 | if (lockoutMode != AuthenticationClient.LOCKOUT_NONE) { |
Kevin Chyn | 5457cba | 2017-08-30 15:28:28 -0700 | [diff] [blame] | 903 | scheduleLockoutResetForUser(currentUser); |
Kevin Chyn | df9d33e | 2017-05-03 21:40:12 -0700 | [diff] [blame] | 904 | return lockoutMode; |
Jim Miller | 16ef71f | 2015-05-21 17:02:21 -0700 | [diff] [blame] | 905 | } |
Kevin Chyn | df9d33e | 2017-05-03 21:40:12 -0700 | [diff] [blame] | 906 | return AuthenticationClient.LOCKOUT_NONE; |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 907 | } |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 908 | |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 909 | @Override |
| 910 | public void resetFailedAttempts() { |
Kevin Chyn | 5457cba | 2017-08-30 15:28:28 -0700 | [diff] [blame] | 911 | FingerprintService.this.resetFailedAttemptsForUser(true /* clearAttemptCounter */, |
| 912 | ActivityManager.getCurrentUser()); |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 913 | } |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 914 | |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 915 | @Override |
| 916 | public void notifyUserActivity() { |
| 917 | FingerprintService.this.userActivity(); |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 918 | } |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 919 | |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 920 | @Override |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 921 | public IBiometricsFingerprint getFingerprintDaemon() { |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 922 | return FingerprintService.this.getFingerprintDaemon(); |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 923 | } |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 924 | }; |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 925 | |
Kevin Chyn | df9d33e | 2017-05-03 21:40:12 -0700 | [diff] [blame] | 926 | int lockoutMode = getLockoutMode(); |
| 927 | if (lockoutMode != AuthenticationClient.LOCKOUT_NONE) { |
| 928 | Slog.v(TAG, "In lockout mode(" + lockoutMode + |
| 929 | ") ; disallowing authentication"); |
| 930 | int errorCode = lockoutMode == AuthenticationClient.LOCKOUT_TIMED ? |
| 931 | FingerprintManager.FINGERPRINT_ERROR_LOCKOUT : |
| 932 | FingerprintManager.FINGERPRINT_ERROR_LOCKOUT_PERMANENT; |
| 933 | if (!client.onError(errorCode, 0 /* vendorCode */)) { |
| 934 | Slog.w(TAG, "Cannot send permanent lockout message to client"); |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 935 | } |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 936 | return; |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 937 | } |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 938 | startClient(client, true /* initiatedByClient */); |
| 939 | } |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 940 | |
Jim Miller | c12eca8 | 2016-04-28 15:12:53 -0700 | [diff] [blame] | 941 | private void startEnrollment(IBinder token, byte [] cryptoToken, int userId, |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 942 | IFingerprintServiceReceiver receiver, int flags, boolean restricted, |
| 943 | String opPackageName) { |
Jim Miller | c12eca8 | 2016-04-28 15:12:53 -0700 | [diff] [blame] | 944 | updateActiveGroup(userId, opPackageName); |
| 945 | |
| 946 | final int groupId = userId; // default group for fingerprint enrollment |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 947 | |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 948 | EnrollClient client = new EnrollClient(getContext(), mHalDeviceId, token, receiver, |
Jim Miller | c12eca8 | 2016-04-28 15:12:53 -0700 | [diff] [blame] | 949 | userId, groupId, cryptoToken, restricted, opPackageName) { |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 950 | |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 951 | @Override |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 952 | public IBiometricsFingerprint getFingerprintDaemon() { |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 953 | return FingerprintService.this.getFingerprintDaemon(); |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 954 | } |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 955 | |
| 956 | @Override |
| 957 | public void notifyUserActivity() { |
| 958 | FingerprintService.this.userActivity(); |
| 959 | } |
| 960 | }; |
| 961 | startClient(client, true /* initiatedByClient */); |
| 962 | } |
| 963 | |
Kevin Chyn | df9d33e | 2017-05-03 21:40:12 -0700 | [diff] [blame] | 964 | // attempt counter should only be cleared when Keyguard goes away or when |
| 965 | // a fingerprint is successfully authenticated |
Kevin Chyn | 5457cba | 2017-08-30 15:28:28 -0700 | [diff] [blame] | 966 | protected void resetFailedAttemptsForUser(boolean clearAttemptCounter, int userId) { |
Kevin Chyn | df9d33e | 2017-05-03 21:40:12 -0700 | [diff] [blame] | 967 | if (DEBUG && getLockoutMode() != AuthenticationClient.LOCKOUT_NONE) { |
| 968 | Slog.v(TAG, "Reset fingerprint lockout, clearAttemptCounter=" + clearAttemptCounter); |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 969 | } |
Kevin Chyn | df9d33e | 2017-05-03 21:40:12 -0700 | [diff] [blame] | 970 | if (clearAttemptCounter) { |
Kevin Chyn | 5457cba | 2017-08-30 15:28:28 -0700 | [diff] [blame] | 971 | mFailedAttempts.put(userId, 0); |
Kevin Chyn | df9d33e | 2017-05-03 21:40:12 -0700 | [diff] [blame] | 972 | } |
Kevin Chyn | 5457cba | 2017-08-30 15:28:28 -0700 | [diff] [blame] | 973 | mTimedLockoutCleared.put(userId, true); |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 974 | // If we're asked to reset failed attempts externally (i.e. from Keyguard), |
| 975 | // the alarm might still be pending; remove it. |
Kevin Chyn | 5457cba | 2017-08-30 15:28:28 -0700 | [diff] [blame] | 976 | cancelLockoutResetForUser(userId); |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 977 | notifyLockoutResetMonitors(); |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 978 | } |
| 979 | |
Kevin Chyn | 3883563 | 2018-02-14 12:46:45 -0800 | [diff] [blame] | 980 | private class FingerprintServiceLockoutResetMonitor implements IBinder.DeathRecipient { |
Jorim Jaggi | 3a46478 | 2015-08-28 16:59:13 -0700 | [diff] [blame] | 981 | |
Jorim Jaggi | 57e2f4d | 2016-11-24 14:38:18 +0100 | [diff] [blame] | 982 | private static final long WAKELOCK_TIMEOUT_MS = 2000; |
Jorim Jaggi | 3a46478 | 2015-08-28 16:59:13 -0700 | [diff] [blame] | 983 | private final IFingerprintServiceLockoutResetCallback mCallback; |
Jorim Jaggi | 57e2f4d | 2016-11-24 14:38:18 +0100 | [diff] [blame] | 984 | private final WakeLock mWakeLock; |
Jorim Jaggi | 3a46478 | 2015-08-28 16:59:13 -0700 | [diff] [blame] | 985 | |
| 986 | public FingerprintServiceLockoutResetMonitor( |
| 987 | IFingerprintServiceLockoutResetCallback callback) { |
| 988 | mCallback = callback; |
Jorim Jaggi | 57e2f4d | 2016-11-24 14:38:18 +0100 | [diff] [blame] | 989 | mWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, |
| 990 | "lockout reset callback"); |
Kevin Chyn | 3883563 | 2018-02-14 12:46:45 -0800 | [diff] [blame] | 991 | try { |
| 992 | mCallback.asBinder().linkToDeath(FingerprintServiceLockoutResetMonitor.this, 0); |
| 993 | } catch (RemoteException e) { |
| 994 | Slog.w(TAG, "caught remote exception in linkToDeath", e); |
| 995 | } |
Jorim Jaggi | 3a46478 | 2015-08-28 16:59:13 -0700 | [diff] [blame] | 996 | } |
| 997 | |
| 998 | public void sendLockoutReset() { |
| 999 | if (mCallback != null) { |
| 1000 | try { |
Jorim Jaggi | 57e2f4d | 2016-11-24 14:38:18 +0100 | [diff] [blame] | 1001 | mWakeLock.acquire(WAKELOCK_TIMEOUT_MS); |
| 1002 | mCallback.onLockoutReset(mHalDeviceId, new IRemoteCallback.Stub() { |
| 1003 | |
| 1004 | @Override |
| 1005 | public void sendResult(Bundle data) throws RemoteException { |
Kevin Chyn | 71d0421 | 2018-02-28 18:12:03 -0800 | [diff] [blame] | 1006 | releaseWakelock(); |
Jorim Jaggi | 57e2f4d | 2016-11-24 14:38:18 +0100 | [diff] [blame] | 1007 | } |
| 1008 | }); |
Jorim Jaggi | 3a46478 | 2015-08-28 16:59:13 -0700 | [diff] [blame] | 1009 | } catch (DeadObjectException e) { |
| 1010 | Slog.w(TAG, "Death object while invoking onLockoutReset: ", e); |
| 1011 | mHandler.post(mRemoveCallbackRunnable); |
| 1012 | } catch (RemoteException e) { |
| 1013 | Slog.w(TAG, "Failed to invoke onLockoutReset: ", e); |
Kevin Chyn | 71d0421 | 2018-02-28 18:12:03 -0800 | [diff] [blame] | 1014 | releaseWakelock(); |
Jorim Jaggi | 3a46478 | 2015-08-28 16:59:13 -0700 | [diff] [blame] | 1015 | } |
| 1016 | } |
| 1017 | } |
| 1018 | |
| 1019 | private final Runnable mRemoveCallbackRunnable = new Runnable() { |
| 1020 | @Override |
| 1021 | public void run() { |
Kevin Chyn | 71d0421 | 2018-02-28 18:12:03 -0800 | [diff] [blame] | 1022 | releaseWakelock(); |
Jorim Jaggi | 3a46478 | 2015-08-28 16:59:13 -0700 | [diff] [blame] | 1023 | removeLockoutResetCallback(FingerprintServiceLockoutResetMonitor.this); |
| 1024 | } |
| 1025 | }; |
Kevin Chyn | 3883563 | 2018-02-14 12:46:45 -0800 | [diff] [blame] | 1026 | |
| 1027 | @Override |
| 1028 | public void binderDied() { |
| 1029 | Slog.e(TAG, "Lockout reset callback binder died"); |
| 1030 | mHandler.post(mRemoveCallbackRunnable); |
| 1031 | } |
Kevin Chyn | 71d0421 | 2018-02-28 18:12:03 -0800 | [diff] [blame] | 1032 | |
| 1033 | private void releaseWakelock() { |
| 1034 | if (mWakeLock.isHeld()) { |
| 1035 | mWakeLock.release(); |
| 1036 | } |
| 1037 | } |
Jorim Jaggi | 3a46478 | 2015-08-28 16:59:13 -0700 | [diff] [blame] | 1038 | } |
| 1039 | |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 1040 | private IBiometricsFingerprintClientCallback mDaemonCallback = |
| 1041 | new IBiometricsFingerprintClientCallback.Stub() { |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 1042 | |
Jim Miller | 9f0753f | 2015-03-23 23:59:22 -0700 | [diff] [blame] | 1043 | @Override |
Jim Miller | 8b3c25a | 2015-08-28 17:29:49 -0700 | [diff] [blame] | 1044 | public void onEnrollResult(final long deviceId, final int fingerId, final int groupId, |
| 1045 | final int remaining) { |
| 1046 | mHandler.post(new Runnable() { |
| 1047 | @Override |
| 1048 | public void run() { |
| 1049 | handleEnrollResult(deviceId, fingerId, groupId, remaining); |
| 1050 | } |
| 1051 | }); |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 1052 | } |
| 1053 | |
| 1054 | @Override |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 1055 | public void onAcquired(final long deviceId, final int acquiredInfo, final int vendorCode) { |
Jim Miller | 8b3c25a | 2015-08-28 17:29:49 -0700 | [diff] [blame] | 1056 | mHandler.post(new Runnable() { |
| 1057 | @Override |
| 1058 | public void run() { |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 1059 | handleAcquired(deviceId, acquiredInfo, vendorCode); |
Jim Miller | 8b3c25a | 2015-08-28 17:29:49 -0700 | [diff] [blame] | 1060 | } |
| 1061 | }); |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 1062 | } |
| 1063 | |
| 1064 | @Override |
Jim Miller | a8eaeeb | 2017-01-24 14:47:04 -0800 | [diff] [blame] | 1065 | public void onAuthenticated(final long deviceId, final int fingerId, final int groupId, |
| 1066 | ArrayList<Byte> token) { |
Jim Miller | 8b3c25a | 2015-08-28 17:29:49 -0700 | [diff] [blame] | 1067 | mHandler.post(new Runnable() { |
| 1068 | @Override |
| 1069 | public void run() { |
Jim Miller | a8eaeeb | 2017-01-24 14:47:04 -0800 | [diff] [blame] | 1070 | handleAuthenticated(deviceId, fingerId, groupId, token); |
Jim Miller | 8b3c25a | 2015-08-28 17:29:49 -0700 | [diff] [blame] | 1071 | } |
| 1072 | }); |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 1073 | } |
| 1074 | |
| 1075 | @Override |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 1076 | public void onError(final long deviceId, final int error, final int vendorCode) { |
Jim Miller | 8b3c25a | 2015-08-28 17:29:49 -0700 | [diff] [blame] | 1077 | mHandler.post(new Runnable() { |
| 1078 | @Override |
| 1079 | public void run() { |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 1080 | handleError(deviceId, error, vendorCode); |
Jim Miller | 8b3c25a | 2015-08-28 17:29:49 -0700 | [diff] [blame] | 1081 | } |
| 1082 | }); |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 1083 | } |
| 1084 | |
| 1085 | @Override |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 1086 | public void onRemoved(final long deviceId, final int fingerId, final int groupId, final int remaining) { |
Jim Miller | 8b3c25a | 2015-08-28 17:29:49 -0700 | [diff] [blame] | 1087 | mHandler.post(new Runnable() { |
| 1088 | @Override |
| 1089 | public void run() { |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 1090 | handleRemoved(deviceId, fingerId, groupId, remaining); |
Jim Miller | 8b3c25a | 2015-08-28 17:29:49 -0700 | [diff] [blame] | 1091 | } |
| 1092 | }); |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 1093 | } |
| 1094 | |
| 1095 | @Override |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 1096 | public void onEnumerate(final long deviceId, final int fingerId, final int groupId, |
| 1097 | final int remaining) { |
Jim Miller | 8b3c25a | 2015-08-28 17:29:49 -0700 | [diff] [blame] | 1098 | mHandler.post(new Runnable() { |
| 1099 | @Override |
| 1100 | public void run() { |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 1101 | handleEnumerate(deviceId, fingerId, groupId, remaining); |
Jim Miller | 8b3c25a | 2015-08-28 17:29:49 -0700 | [diff] [blame] | 1102 | } |
| 1103 | }); |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 1104 | } |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 1105 | }; |
| 1106 | |
| 1107 | private final class FingerprintServiceWrapper extends IFingerprintService.Stub { |
| 1108 | @Override // Binder call |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 1109 | public long preEnroll(IBinder token) { |
Jim Miller | ba67aee | 2015-02-20 16:21:26 -0800 | [diff] [blame] | 1110 | checkPermission(MANAGE_FINGERPRINT); |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 1111 | return startPreEnroll(token); |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 1112 | } |
| 1113 | |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 1114 | @Override // Binder call |
Sasha Levitskiy | e0943cf | 2015-07-08 13:22:20 -0700 | [diff] [blame] | 1115 | public int postEnroll(IBinder token) { |
| 1116 | checkPermission(MANAGE_FINGERPRINT); |
| 1117 | return startPostEnroll(token); |
| 1118 | } |
| 1119 | |
| 1120 | @Override // Binder call |
Jim Miller | c12eca8 | 2016-04-28 15:12:53 -0700 | [diff] [blame] | 1121 | public void enroll(final IBinder token, final byte[] cryptoToken, final int userId, |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 1122 | final IFingerprintServiceReceiver receiver, final int flags, |
| 1123 | final String opPackageName) { |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 1124 | checkPermission(MANAGE_FINGERPRINT); |
Kevin Chyn | aae4a15 | 2018-01-18 11:48:09 -0800 | [diff] [blame] | 1125 | final int limit = mContext.getResources().getInteger( |
Jim Miller | 599ef0e | 2015-06-15 20:39:44 -0700 | [diff] [blame] | 1126 | com.android.internal.R.integer.config_fingerprintMaxTemplatesPerUser); |
Jim Miller | c12eca8 | 2016-04-28 15:12:53 -0700 | [diff] [blame] | 1127 | |
| 1128 | final int enrolled = FingerprintService.this.getEnrolledFingerprints(userId).size(); |
Jim Miller | 599ef0e | 2015-06-15 20:39:44 -0700 | [diff] [blame] | 1129 | if (enrolled >= limit) { |
| 1130 | Slog.w(TAG, "Too many fingerprints registered"); |
| 1131 | return; |
| 1132 | } |
Jim Miller | f501b58 | 2015-06-03 16:36:31 -0700 | [diff] [blame] | 1133 | |
Andres Morales | 494d6e9 | 2015-08-06 15:01:41 -0700 | [diff] [blame] | 1134 | // Group ID is arbitrarily set to parent profile user ID. It just represents |
| 1135 | // the default fingerprints for the user. |
Jim Miller | c12eca8 | 2016-04-28 15:12:53 -0700 | [diff] [blame] | 1136 | if (!isCurrentUserOrProfile(userId)) { |
Clara Bayarri | 35fd9381 | 2016-02-29 17:49:18 -0800 | [diff] [blame] | 1137 | return; |
| 1138 | } |
Andres Morales | 494d6e9 | 2015-08-06 15:01:41 -0700 | [diff] [blame] | 1139 | |
Jim Miller | f501b58 | 2015-06-03 16:36:31 -0700 | [diff] [blame] | 1140 | final boolean restricted = isRestricted(); |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 1141 | mHandler.post(new Runnable() { |
| 1142 | @Override |
| 1143 | public void run() { |
Jim Miller | c12eca8 | 2016-04-28 15:12:53 -0700 | [diff] [blame] | 1144 | startEnrollment(token, cryptoToken, userId, receiver, flags, |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 1145 | restricted, opPackageName); |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 1146 | } |
| 1147 | }); |
| 1148 | } |
| 1149 | |
Jim Miller | f501b58 | 2015-06-03 16:36:31 -0700 | [diff] [blame] | 1150 | private boolean isRestricted() { |
| 1151 | // Only give privileged apps (like Settings) access to fingerprint info |
| 1152 | final boolean restricted = !hasPermission(MANAGE_FINGERPRINT); |
| 1153 | return restricted; |
| 1154 | } |
| 1155 | |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 1156 | @Override // Binder call |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 1157 | public void cancelEnrollment(final IBinder token) { |
| 1158 | checkPermission(MANAGE_FINGERPRINT); |
| 1159 | mHandler.post(new Runnable() { |
| 1160 | @Override |
| 1161 | public void run() { |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 1162 | ClientMonitor client = mCurrentClient; |
| 1163 | if (client instanceof EnrollClient && client.getToken() == token) { |
| 1164 | client.stop(client.getToken() == token); |
| 1165 | } |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 1166 | } |
| 1167 | }); |
| 1168 | } |
| 1169 | |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 1170 | @Override // Binder call |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 1171 | public void authenticate(final IBinder token, final long opId, final int groupId, |
Jim Miller | dca15d2 | 2015-06-16 20:55:13 -0700 | [diff] [blame] | 1172 | final IFingerprintServiceReceiver receiver, final int flags, |
Kevin Chyn | aae4a15 | 2018-01-18 11:48:09 -0800 | [diff] [blame] | 1173 | final String opPackageName, final Bundle bundle, |
Vishwath Mohan | ecf00ce | 2018-04-05 10:28:24 -0700 | [diff] [blame] | 1174 | final IBiometricPromptReceiver dialogReceiver) { |
Tony Mak | ff715ac | 2016-04-19 20:44:12 +0100 | [diff] [blame] | 1175 | final int callingUid = Binder.getCallingUid(); |
Kevin Chyn | 33fdf11 | 2017-08-09 11:45:21 -0700 | [diff] [blame] | 1176 | final int callingPid = Binder.getCallingPid(); |
Tony Mak | ff715ac | 2016-04-19 20:44:12 +0100 | [diff] [blame] | 1177 | final int callingUserId = UserHandle.getCallingUserId(); |
Jim Miller | f501b58 | 2015-06-03 16:36:31 -0700 | [diff] [blame] | 1178 | final boolean restricted = isRestricted(); |
Kevin Chyn | 33fdf11 | 2017-08-09 11:45:21 -0700 | [diff] [blame] | 1179 | |
| 1180 | if (!canUseFingerprint(opPackageName, true /* foregroundOnly */, callingUid, callingPid, |
| 1181 | callingUserId)) { |
| 1182 | if (DEBUG) Slog.v(TAG, "authenticate(): reject " + opPackageName); |
| 1183 | return; |
| 1184 | } |
| 1185 | |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 1186 | mHandler.post(new Runnable() { |
| 1187 | @Override |
| 1188 | public void run() { |
Jim Miller | bcc100a | 2016-07-06 14:16:49 -0700 | [diff] [blame] | 1189 | MetricsLogger.histogram(mContext, "fingerprint_token", opId != 0L ? 1 : 0); |
| 1190 | |
| 1191 | // Get performance stats object for this user. |
| 1192 | HashMap<Integer, PerformanceStats> pmap |
| 1193 | = (opId == 0) ? mPerformanceMap : mCryptoPerformanceMap; |
| 1194 | PerformanceStats stats = pmap.get(mCurrentUserId); |
| 1195 | if (stats == null) { |
| 1196 | stats = new PerformanceStats(); |
| 1197 | pmap.put(mCurrentUserId, stats); |
| 1198 | } |
| 1199 | mPerformanceStats = stats; |
| 1200 | |
Tony Mak | ff715ac | 2016-04-19 20:44:12 +0100 | [diff] [blame] | 1201 | startAuthentication(token, opId, callingUserId, groupId, receiver, |
Kevin Chyn | aae4a15 | 2018-01-18 11:48:09 -0800 | [diff] [blame] | 1202 | flags, restricted, opPackageName, bundle, dialogReceiver); |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 1203 | } |
| 1204 | }); |
| 1205 | } |
| 1206 | |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 1207 | @Override // Binder call |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 1208 | public void cancelAuthentication(final IBinder token, final String opPackageName) { |
Kevin Chyn | 33fdf11 | 2017-08-09 11:45:21 -0700 | [diff] [blame] | 1209 | final int callingUid = Binder.getCallingUid(); |
| 1210 | final int callingPid = Binder.getCallingPid(); |
Kevin Chyn | f4023b5 | 2017-04-07 16:29:19 -0700 | [diff] [blame] | 1211 | final int callingUserId = UserHandle.getCallingUserId(); |
Kevin Chyn | 33fdf11 | 2017-08-09 11:45:21 -0700 | [diff] [blame] | 1212 | |
| 1213 | if (!canUseFingerprint(opPackageName, true /* foregroundOnly */, callingUid, callingPid, |
| 1214 | callingUserId)) { |
| 1215 | if (DEBUG) Slog.v(TAG, "cancelAuthentication(): reject " + opPackageName); |
| 1216 | return; |
| 1217 | } |
| 1218 | |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 1219 | mHandler.post(new Runnable() { |
| 1220 | @Override |
| 1221 | public void run() { |
Kevin Chyn | 33fdf11 | 2017-08-09 11:45:21 -0700 | [diff] [blame] | 1222 | ClientMonitor client = mCurrentClient; |
| 1223 | if (client instanceof AuthenticationClient) { |
| 1224 | if (client.getToken() == token) { |
| 1225 | if (DEBUG) Slog.v(TAG, "stop client " + client.getOwnerString()); |
| 1226 | client.stop(client.getToken() == token); |
| 1227 | } else { |
| 1228 | if (DEBUG) Slog.v(TAG, "can't stop client " |
| 1229 | + client.getOwnerString() + " since tokens don't match"); |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 1230 | } |
Kevin Chyn | 33fdf11 | 2017-08-09 11:45:21 -0700 | [diff] [blame] | 1231 | } else if (client != null) { |
| 1232 | if (DEBUG) Slog.v(TAG, "can't cancel non-authenticating client " |
| 1233 | + client.getOwnerString()); |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 1234 | } |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 1235 | } |
| 1236 | }); |
Jim Miller | ba67aee | 2015-02-20 16:21:26 -0800 | [diff] [blame] | 1237 | } |
Jim Miller | 99d6019 | 2015-03-11 17:41:58 -0700 | [diff] [blame] | 1238 | |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 1239 | @Override // Binder call |
Clara Bayarri | d1f722d | 2016-01-07 14:17:39 +0000 | [diff] [blame] | 1240 | public void setActiveUser(final int userId) { |
| 1241 | checkPermission(MANAGE_FINGERPRINT); |
| 1242 | mHandler.post(new Runnable() { |
| 1243 | @Override |
| 1244 | public void run() { |
| 1245 | updateActiveGroup(userId, null); |
| 1246 | } |
| 1247 | }); |
| 1248 | } |
| 1249 | |
| 1250 | @Override // Binder call |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 1251 | public void remove(final IBinder token, final int fingerId, final int groupId, |
Jim Miller | 8f2aca0 | 2016-04-20 13:34:11 -0700 | [diff] [blame] | 1252 | final int userId, final IFingerprintServiceReceiver receiver) { |
Jim Miller | 9f0753f | 2015-03-23 23:59:22 -0700 | [diff] [blame] | 1253 | checkPermission(MANAGE_FINGERPRINT); // TODO: Maybe have another permission |
Jim Miller | f501b58 | 2015-06-03 16:36:31 -0700 | [diff] [blame] | 1254 | final boolean restricted = isRestricted(); |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 1255 | mHandler.post(new Runnable() { |
| 1256 | @Override |
| 1257 | public void run() { |
Kevin Chyn | d1f1a0b | 2017-04-03 13:37:48 -0700 | [diff] [blame] | 1258 | startRemove(token, fingerId, groupId, userId, receiver, |
| 1259 | restricted, false /* internal */); |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 1260 | } |
| 1261 | }); |
Jim Miller | 9f0753f | 2015-03-23 23:59:22 -0700 | [diff] [blame] | 1262 | } |
| 1263 | |
Kevin Chyn | d1f1a0b | 2017-04-03 13:37:48 -0700 | [diff] [blame] | 1264 | @Override // Binder call |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 1265 | public void enumerate(final IBinder token, final int userId, |
| 1266 | final IFingerprintServiceReceiver receiver) { |
| 1267 | checkPermission(MANAGE_FINGERPRINT); // TODO: Maybe have another permission |
| 1268 | final boolean restricted = isRestricted(); |
| 1269 | mHandler.post(new Runnable() { |
| 1270 | @Override |
| 1271 | public void run() { |
Kevin Chyn | d1f1a0b | 2017-04-03 13:37:48 -0700 | [diff] [blame] | 1272 | startEnumerate(token, userId, receiver, restricted, false /* internal */); |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 1273 | } |
| 1274 | }); |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 1275 | } |
| 1276 | |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 1277 | @Override // Binder call |
Svetoslav | 4af76a5 | 2015-04-29 15:29:46 -0700 | [diff] [blame] | 1278 | public boolean isHardwareDetected(long deviceId, String opPackageName) { |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 1279 | if (!canUseFingerprint(opPackageName, false /* foregroundOnly */, |
Kevin Chyn | f4023b5 | 2017-04-07 16:29:19 -0700 | [diff] [blame] | 1280 | Binder.getCallingUid(), Binder.getCallingPid(), |
| 1281 | UserHandle.getCallingUserId())) { |
Svetoslav | 4af76a5 | 2015-04-29 15:29:46 -0700 | [diff] [blame] | 1282 | return false; |
| 1283 | } |
Charles He | 959ac8e | 2017-03-27 21:16:20 +0100 | [diff] [blame] | 1284 | |
| 1285 | final long token = Binder.clearCallingIdentity(); |
| 1286 | try { |
| 1287 | IBiometricsFingerprint daemon = getFingerprintDaemon(); |
| 1288 | return daemon != null && mHalDeviceId != 0; |
| 1289 | } finally { |
| 1290 | Binder.restoreCallingIdentity(token); |
| 1291 | } |
Jim Miller | 9f0753f | 2015-03-23 23:59:22 -0700 | [diff] [blame] | 1292 | } |
| 1293 | |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 1294 | @Override // Binder call |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 1295 | public void rename(final int fingerId, final int groupId, final String name) { |
Jim Miller | 99d6019 | 2015-03-11 17:41:58 -0700 | [diff] [blame] | 1296 | checkPermission(MANAGE_FINGERPRINT); |
Clara Bayarri | 35fd9381 | 2016-02-29 17:49:18 -0800 | [diff] [blame] | 1297 | if (!isCurrentUserOrProfile(groupId)) { |
| 1298 | return; |
| 1299 | } |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 1300 | mHandler.post(new Runnable() { |
| 1301 | @Override |
| 1302 | public void run() { |
Andres Morales | 494d6e9 | 2015-08-06 15:01:41 -0700 | [diff] [blame] | 1303 | mFingerprintUtils.renameFingerprintForUser(mContext, fingerId, |
Clara Bayarri | 35fd9381 | 2016-02-29 17:49:18 -0800 | [diff] [blame] | 1304 | groupId, name); |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 1305 | } |
| 1306 | }); |
Jim Miller | 99d6019 | 2015-03-11 17:41:58 -0700 | [diff] [blame] | 1307 | } |
Jim Miller | 9f0753f | 2015-03-23 23:59:22 -0700 | [diff] [blame] | 1308 | |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 1309 | @Override // Binder call |
Jim Miller | 599ef0e | 2015-06-15 20:39:44 -0700 | [diff] [blame] | 1310 | public List<Fingerprint> getEnrolledFingerprints(int userId, String opPackageName) { |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 1311 | if (!canUseFingerprint(opPackageName, false /* foregroundOnly */, |
Kevin Chyn | f4023b5 | 2017-04-07 16:29:19 -0700 | [diff] [blame] | 1312 | Binder.getCallingUid(), Binder.getCallingPid(), |
| 1313 | UserHandle.getCallingUserId())) { |
Svetoslav | 4af76a5 | 2015-04-29 15:29:46 -0700 | [diff] [blame] | 1314 | return Collections.emptyList(); |
| 1315 | } |
Andres Morales | 494d6e9 | 2015-08-06 15:01:41 -0700 | [diff] [blame] | 1316 | |
Clara Bayarri | 35fd9381 | 2016-02-29 17:49:18 -0800 | [diff] [blame] | 1317 | return FingerprintService.this.getEnrolledFingerprints(userId); |
Jim Miller | 9f0753f | 2015-03-23 23:59:22 -0700 | [diff] [blame] | 1318 | } |
Jorim Jaggi | 2aad7ee | 2015-04-14 15:25:06 -0700 | [diff] [blame] | 1319 | |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 1320 | @Override // Binder call |
Andres Morales | 494d6e9 | 2015-08-06 15:01:41 -0700 | [diff] [blame] | 1321 | public boolean hasEnrolledFingerprints(int userId, String opPackageName) { |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 1322 | if (!canUseFingerprint(opPackageName, false /* foregroundOnly */, |
Kevin Chyn | f4023b5 | 2017-04-07 16:29:19 -0700 | [diff] [blame] | 1323 | Binder.getCallingUid(), Binder.getCallingPid(), |
| 1324 | UserHandle.getCallingUserId())) { |
Svetoslav | 4af76a5 | 2015-04-29 15:29:46 -0700 | [diff] [blame] | 1325 | return false; |
| 1326 | } |
Andres Morales | 494d6e9 | 2015-08-06 15:01:41 -0700 | [diff] [blame] | 1327 | |
Clara Bayarri | 35fd9381 | 2016-02-29 17:49:18 -0800 | [diff] [blame] | 1328 | return FingerprintService.this.hasEnrolledFingerprints(userId); |
Jorim Jaggi | 2aad7ee | 2015-04-14 15:25:06 -0700 | [diff] [blame] | 1329 | } |
Andres Morales | 4d41a20 | 2015-04-16 14:12:38 -0700 | [diff] [blame] | 1330 | |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 1331 | @Override // Binder call |
Svetoslav | 4af76a5 | 2015-04-29 15:29:46 -0700 | [diff] [blame] | 1332 | public long getAuthenticatorId(String opPackageName) { |
Alex Klyubin | a99b8b5 | 2015-06-11 13:27:34 -0700 | [diff] [blame] | 1333 | // In this method, we're not checking whether the caller is permitted to use fingerprint |
| 1334 | // API because current authenticator ID is leaked (in a more contrived way) via Android |
| 1335 | // Keystore (android.security.keystore package): the user of that API can create a key |
| 1336 | // which requires fingerprint authentication for its use, and then query the key's |
| 1337 | // characteristics (hidden API) which returns, among other things, fingerprint |
| 1338 | // authenticator ID which was active at key creation time. |
| 1339 | // |
| 1340 | // Reason: The part of Android Keystore which runs inside an app's process invokes this |
| 1341 | // method in certain cases. Those cases are not always where the developer demonstrates |
| 1342 | // explicit intent to use fingerprint functionality. Thus, to avoiding throwing an |
| 1343 | // unexpected SecurityException this method does not check whether its caller is |
| 1344 | // permitted to use fingerprint API. |
| 1345 | // |
| 1346 | // The permission check should be restored once Android Keystore no longer invokes this |
| 1347 | // method from inside app processes. |
| 1348 | |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 1349 | return FingerprintService.this.getAuthenticatorId(opPackageName); |
Andres Morales | 4d41a20 | 2015-04-16 14:12:38 -0700 | [diff] [blame] | 1350 | } |
Chris Wren | c510ad5 | 2015-08-14 15:43:15 -0400 | [diff] [blame] | 1351 | |
| 1352 | @Override // Binder call |
| 1353 | protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
Jeff Sharkey | fe9a53b | 2017-03-31 14:08:23 -0600 | [diff] [blame] | 1354 | if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return; |
Chris Wren | c510ad5 | 2015-08-14 15:43:15 -0400 | [diff] [blame] | 1355 | |
| 1356 | final long ident = Binder.clearCallingIdentity(); |
| 1357 | try { |
Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 1358 | if (args.length > 0 && "--proto".equals(args[0])) { |
| 1359 | dumpProto(fd); |
| 1360 | } else { |
| 1361 | dumpInternal(pw); |
| 1362 | } |
Chris Wren | c510ad5 | 2015-08-14 15:43:15 -0400 | [diff] [blame] | 1363 | } finally { |
| 1364 | Binder.restoreCallingIdentity(ident); |
| 1365 | } |
| 1366 | } |
Charles He | 959ac8e | 2017-03-27 21:16:20 +0100 | [diff] [blame] | 1367 | |
Jim Miller | e0507bb | 2015-08-12 20:30:34 -0700 | [diff] [blame] | 1368 | @Override // Binder call |
| 1369 | public void resetTimeout(byte [] token) { |
| 1370 | checkPermission(RESET_FINGERPRINT_LOCKOUT); |
| 1371 | // TODO: confirm security token when we move timeout management into the HAL layer. |
Kevin Chyn | 5457cba | 2017-08-30 15:28:28 -0700 | [diff] [blame] | 1372 | mHandler.post(mResetFailedAttemptsForCurrentUserRunnable); |
Jorim Jaggi | 3a46478 | 2015-08-28 16:59:13 -0700 | [diff] [blame] | 1373 | } |
| 1374 | |
| 1375 | @Override |
| 1376 | public void addLockoutResetCallback(final IFingerprintServiceLockoutResetCallback callback) |
| 1377 | throws RemoteException { |
| 1378 | mHandler.post(new Runnable() { |
| 1379 | @Override |
| 1380 | public void run() { |
| 1381 | addLockoutResetMonitor( |
| 1382 | new FingerprintServiceLockoutResetMonitor(callback)); |
| 1383 | } |
| 1384 | }); |
Jim Miller | e0507bb | 2015-08-12 20:30:34 -0700 | [diff] [blame] | 1385 | } |
Phil Weaver | 27fcd9c | 2017-01-20 15:57:24 -0800 | [diff] [blame] | 1386 | |
| 1387 | @Override |
| 1388 | public boolean isClientActive() { |
| 1389 | checkPermission(MANAGE_FINGERPRINT); |
| 1390 | synchronized(FingerprintService.this) { |
| 1391 | return (mCurrentClient != null) || (mPendingClient != null); |
| 1392 | } |
| 1393 | } |
| 1394 | |
| 1395 | @Override |
| 1396 | public void addClientActiveCallback(IFingerprintClientActiveCallback callback) { |
| 1397 | checkPermission(MANAGE_FINGERPRINT); |
| 1398 | mClientActiveCallbacks.add(callback); |
| 1399 | } |
| 1400 | |
| 1401 | @Override |
| 1402 | public void removeClientActiveCallback(IFingerprintClientActiveCallback callback) { |
| 1403 | checkPermission(MANAGE_FINGERPRINT); |
| 1404 | mClientActiveCallbacks.remove(callback); |
| 1405 | } |
Chris Wren | c510ad5 | 2015-08-14 15:43:15 -0400 | [diff] [blame] | 1406 | } |
| 1407 | |
| 1408 | private void dumpInternal(PrintWriter pw) { |
| 1409 | JSONObject dump = new JSONObject(); |
| 1410 | try { |
| 1411 | dump.put("service", "Fingerprint Manager"); |
| 1412 | |
| 1413 | JSONArray sets = new JSONArray(); |
| 1414 | for (UserInfo user : UserManager.get(getContext()).getUsers()) { |
| 1415 | final int userId = user.getUserHandle().getIdentifier(); |
| 1416 | final int N = mFingerprintUtils.getFingerprintsForUser(mContext, userId).size(); |
Jim Miller | bcc100a | 2016-07-06 14:16:49 -0700 | [diff] [blame] | 1417 | PerformanceStats stats = mPerformanceMap.get(userId); |
| 1418 | PerformanceStats cryptoStats = mCryptoPerformanceMap.get(userId); |
Chris Wren | c510ad5 | 2015-08-14 15:43:15 -0400 | [diff] [blame] | 1419 | JSONObject set = new JSONObject(); |
| 1420 | set.put("id", userId); |
| 1421 | set.put("count", N); |
Jim Miller | bcc100a | 2016-07-06 14:16:49 -0700 | [diff] [blame] | 1422 | set.put("accept", (stats != null) ? stats.accept : 0); |
| 1423 | set.put("reject", (stats != null) ? stats.reject : 0); |
| 1424 | set.put("acquire", (stats != null) ? stats.acquire : 0); |
| 1425 | set.put("lockout", (stats != null) ? stats.lockout : 0); |
Kevin Chyn | df9d33e | 2017-05-03 21:40:12 -0700 | [diff] [blame] | 1426 | set.put("permanentLockout", (stats != null) ? stats.permanentLockout : 0); |
Jim Miller | bcc100a | 2016-07-06 14:16:49 -0700 | [diff] [blame] | 1427 | // cryptoStats measures statistics about secure fingerprint transactions |
| 1428 | // (e.g. to unlock password storage, make secure purchases, etc.) |
| 1429 | set.put("acceptCrypto", (cryptoStats != null) ? cryptoStats.accept : 0); |
| 1430 | set.put("rejectCrypto", (cryptoStats != null) ? cryptoStats.reject : 0); |
| 1431 | set.put("acquireCrypto", (cryptoStats != null) ? cryptoStats.acquire : 0); |
| 1432 | set.put("lockoutCrypto", (cryptoStats != null) ? cryptoStats.lockout : 0); |
Kweku Adams | cd7c35c | 2017-09-14 16:45:06 -0700 | [diff] [blame] | 1433 | set.put("permanentLockoutCrypto", |
| 1434 | (cryptoStats != null) ? cryptoStats.permanentLockout : 0); |
Chris Wren | c510ad5 | 2015-08-14 15:43:15 -0400 | [diff] [blame] | 1435 | sets.put(set); |
| 1436 | } |
| 1437 | |
| 1438 | dump.put("prints", sets); |
| 1439 | } catch (JSONException e) { |
| 1440 | Slog.e(TAG, "dump formatting failure", e); |
| 1441 | } |
| 1442 | pw.println(dump); |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 1443 | } |
| 1444 | |
Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 1445 | private void dumpProto(FileDescriptor fd) { |
| 1446 | final ProtoOutputStream proto = new ProtoOutputStream(fd); |
| 1447 | for (UserInfo user : UserManager.get(getContext()).getUsers()) { |
| 1448 | final int userId = user.getUserHandle().getIdentifier(); |
| 1449 | |
| 1450 | final long userToken = proto.start(FingerprintServiceDumpProto.USERS); |
| 1451 | |
| 1452 | proto.write(FingerprintUserStatsProto.USER_ID, userId); |
| 1453 | proto.write(FingerprintUserStatsProto.NUM_FINGERPRINTS, |
| 1454 | mFingerprintUtils.getFingerprintsForUser(mContext, userId).size()); |
| 1455 | |
| 1456 | // Normal fingerprint authentications (e.g. lockscreen) |
| 1457 | final PerformanceStats normal = mPerformanceMap.get(userId); |
| 1458 | if (normal != null) { |
| 1459 | final long countsToken = proto.start(FingerprintUserStatsProto.NORMAL); |
Kweku Adams | fd257d6 | 2017-10-25 17:53:50 -0700 | [diff] [blame] | 1460 | proto.write(PerformanceStatsProto.ACCEPT, normal.accept); |
| 1461 | proto.write(PerformanceStatsProto.REJECT, normal.reject); |
| 1462 | proto.write(PerformanceStatsProto.ACQUIRE, normal.acquire); |
| 1463 | proto.write(PerformanceStatsProto.LOCKOUT, normal.lockout); |
| 1464 | proto.write(PerformanceStatsProto.PERMANENT_LOCKOUT, normal.permanentLockout); |
Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 1465 | proto.end(countsToken); |
| 1466 | } |
| 1467 | |
| 1468 | // Statistics about secure fingerprint transactions (e.g. to unlock password |
| 1469 | // storage, make secure purchases, etc.) |
Kevin Chyn | 9310f5c | 2017-02-21 17:22:54 -0800 | [diff] [blame] | 1470 | final PerformanceStats crypto = mCryptoPerformanceMap.get(userId); |
Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 1471 | if (crypto != null) { |
| 1472 | final long countsToken = proto.start(FingerprintUserStatsProto.CRYPTO); |
Kweku Adams | fd257d6 | 2017-10-25 17:53:50 -0700 | [diff] [blame] | 1473 | proto.write(PerformanceStatsProto.ACCEPT, crypto.accept); |
| 1474 | proto.write(PerformanceStatsProto.REJECT, crypto.reject); |
| 1475 | proto.write(PerformanceStatsProto.ACQUIRE, crypto.acquire); |
| 1476 | proto.write(PerformanceStatsProto.LOCKOUT, crypto.lockout); |
| 1477 | proto.write(PerformanceStatsProto.PERMANENT_LOCKOUT, crypto.permanentLockout); |
Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 1478 | proto.end(countsToken); |
| 1479 | } |
| 1480 | |
| 1481 | proto.end(userToken); |
| 1482 | } |
| 1483 | proto.flush(); |
Kevin Chyn | 89a55cb | 2018-03-29 14:52:59 -0700 | [diff] [blame] | 1484 | mPerformanceMap.clear(); |
| 1485 | mCryptoPerformanceMap.clear(); |
Joe Onorato | 1754d74 | 2016-11-21 17:51:35 -0800 | [diff] [blame] | 1486 | } |
| 1487 | |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 1488 | @Override |
| 1489 | public void onStart() { |
Jim Miller | 9f0753f | 2015-03-23 23:59:22 -0700 | [diff] [blame] | 1490 | publishBinderService(Context.FINGERPRINT_SERVICE, new FingerprintServiceWrapper()); |
Fyodor Kupolov | e29a5a1 | 2016-12-16 16:14:17 -0800 | [diff] [blame] | 1491 | SystemServerInitThreadPool.get().submit(this::getFingerprintDaemon, TAG + ".onStart"); |
Jorim Jaggi | aa4d32a | 2015-05-13 16:30:04 -0700 | [diff] [blame] | 1492 | listenForUserSwitches(); |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 1493 | } |
| 1494 | |
Clara Bayarri | d1f722d | 2016-01-07 14:17:39 +0000 | [diff] [blame] | 1495 | private void updateActiveGroup(int userId, String clientPackage) { |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 1496 | IBiometricsFingerprint daemon = getFingerprintDaemon(); |
Jim Miller | bcc100a | 2016-07-06 14:16:49 -0700 | [diff] [blame] | 1497 | |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 1498 | if (daemon != null) { |
| 1499 | try { |
Clara Bayarri | d1f722d | 2016-01-07 14:17:39 +0000 | [diff] [blame] | 1500 | userId = getUserOrWorkProfileId(clientPackage, userId); |
| 1501 | if (userId != mCurrentUserId) { |
Yifan Hong | 5670247 | 2018-05-17 18:51:05 -0700 | [diff] [blame] | 1502 | int firstSdkInt = Build.VERSION.FIRST_SDK_INT; |
Yifan Hong | 4564612 | 2018-05-21 12:38:10 -0700 | [diff] [blame^] | 1503 | if (firstSdkInt < Build.VERSION_CODES.BASE) { |
| 1504 | Slog.e(TAG, "First SDK version " + firstSdkInt + " is invalid; must be " + |
| 1505 | "at least VERSION_CODES.BASE"); |
| 1506 | } |
Andreas Huber | 7fe2053 | 2018-01-22 11:26:44 -0800 | [diff] [blame] | 1507 | File baseDir; |
Yifan Hong | 5670247 | 2018-05-17 18:51:05 -0700 | [diff] [blame] | 1508 | if (firstSdkInt <= Build.VERSION_CODES.O_MR1) { |
Andreas Huber | 7fe2053 | 2018-01-22 11:26:44 -0800 | [diff] [blame] | 1509 | baseDir = Environment.getUserSystemDirectory(userId); |
| 1510 | } else { |
| 1511 | baseDir = Environment.getDataVendorDeDirectory(userId); |
| 1512 | } |
| 1513 | |
| 1514 | File fpDir = new File(baseDir, FP_DATA_DIR); |
Clara Bayarri | d1f722d | 2016-01-07 14:17:39 +0000 | [diff] [blame] | 1515 | if (!fpDir.exists()) { |
| 1516 | if (!fpDir.mkdir()) { |
| 1517 | Slog.v(TAG, "Cannot make directory: " + fpDir.getAbsolutePath()); |
| 1518 | return; |
| 1519 | } |
| 1520 | // Calling mkdir() from this process will create a directory with our |
| 1521 | // permissions (inherited from the containing dir). This command fixes |
| 1522 | // the label. |
| 1523 | if (!SELinux.restorecon(fpDir)) { |
| 1524 | Slog.w(TAG, "Restorecons failed. Directory will have wrong label."); |
| 1525 | return; |
| 1526 | } |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 1527 | } |
Andreas Huber | 7fe2053 | 2018-01-22 11:26:44 -0800 | [diff] [blame] | 1528 | |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 1529 | daemon.setActiveGroup(userId, fpDir.getAbsolutePath()); |
Clara Bayarri | d1f722d | 2016-01-07 14:17:39 +0000 | [diff] [blame] | 1530 | mCurrentUserId = userId; |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 1531 | } |
Charles He | 29b3a8a | 2017-05-04 16:02:38 +0100 | [diff] [blame] | 1532 | mAuthenticatorIds.put(userId, |
| 1533 | hasEnrolledFingerprints(userId) ? daemon.getAuthenticatorId() : 0L); |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 1534 | } catch (RemoteException e) { |
| 1535 | Slog.e(TAG, "Failed to setActiveGroup():", e); |
| 1536 | } |
Jim Miller | dbe780f | 2015-05-18 13:55:00 -0700 | [diff] [blame] | 1537 | } |
Jorim Jaggi | aa4d32a | 2015-05-13 16:30:04 -0700 | [diff] [blame] | 1538 | } |
| 1539 | |
Clara Bayarri | d1f722d | 2016-01-07 14:17:39 +0000 | [diff] [blame] | 1540 | /** |
| 1541 | * @param clientPackage the package of the caller |
| 1542 | * @return the profile id |
| 1543 | */ |
| 1544 | private int getUserOrWorkProfileId(String clientPackage, int userId) { |
| 1545 | if (!isKeyguard(clientPackage) && isWorkProfile(userId)) { |
| 1546 | return userId; |
| 1547 | } |
| 1548 | return getEffectiveUserId(userId); |
| 1549 | } |
| 1550 | |
| 1551 | /** |
| 1552 | * @param userId |
| 1553 | * @return true if this is a work profile |
| 1554 | */ |
| 1555 | private boolean isWorkProfile(int userId) { |
Charles He | da88f0e | 2017-02-02 18:29:13 +0000 | [diff] [blame] | 1556 | UserInfo userInfo = null; |
| 1557 | final long token = Binder.clearCallingIdentity(); |
| 1558 | try { |
| 1559 | userInfo = mUserManager.getUserInfo(userId); |
| 1560 | } finally { |
| 1561 | Binder.restoreCallingIdentity(token); |
| 1562 | } |
| 1563 | return userInfo != null && userInfo.isManagedProfile(); |
Clara Bayarri | d1f722d | 2016-01-07 14:17:39 +0000 | [diff] [blame] | 1564 | } |
| 1565 | |
Jorim Jaggi | aa4d32a | 2015-05-13 16:30:04 -0700 | [diff] [blame] | 1566 | private void listenForUserSwitches() { |
| 1567 | try { |
Sudheer Shanka | dc589ac | 2016-11-10 15:30:17 -0800 | [diff] [blame] | 1568 | ActivityManager.getService().registerUserSwitchObserver( |
Fyodor Kupolov | 6005b3f | 2015-11-23 17:41:50 -0800 | [diff] [blame] | 1569 | new SynchronousUserSwitchObserver() { |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 1570 | @Override |
Fyodor Kupolov | 6005b3f | 2015-11-23 17:41:50 -0800 | [diff] [blame] | 1571 | public void onUserSwitching(int newUserId) throws RemoteException { |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 1572 | mHandler.obtainMessage(MSG_USER_SWITCHING, newUserId, 0 /* unused */) |
| 1573 | .sendToTarget(); |
| 1574 | } |
Fyodor Kupolov | 0b77ef9 | 2016-06-20 17:16:52 -0700 | [diff] [blame] | 1575 | }, TAG); |
Jorim Jaggi | aa4d32a | 2015-05-13 16:30:04 -0700 | [diff] [blame] | 1576 | } catch (RemoteException e) { |
| 1577 | Slog.w(TAG, "Failed to listen for user switching event" ,e); |
| 1578 | } |
| 1579 | } |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 1580 | |
Jim Miller | d006310 | 2016-06-28 16:43:57 -0700 | [diff] [blame] | 1581 | /*** |
| 1582 | * @param opPackageName the name of the calling package |
Charles He | da88f0e | 2017-02-02 18:29:13 +0000 | [diff] [blame] | 1583 | * @return authenticator id for the calling user |
Jim Miller | d006310 | 2016-06-28 16:43:57 -0700 | [diff] [blame] | 1584 | */ |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 1585 | public long getAuthenticatorId(String opPackageName) { |
Charles He | da88f0e | 2017-02-02 18:29:13 +0000 | [diff] [blame] | 1586 | final int userId = getUserOrWorkProfileId(opPackageName, UserHandle.getCallingUserId()); |
Charles He | 29b3a8a | 2017-05-04 16:02:38 +0100 | [diff] [blame] | 1587 | return mAuthenticatorIds.getOrDefault(userId, 0L); |
Jim Miller | be67542 | 2015-05-11 20:45:25 -0700 | [diff] [blame] | 1588 | } |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 1589 | } |