Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2018 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 | |
Kevin Chyn | 2ffadb3 | 2018-06-19 11:29:38 -0700 | [diff] [blame] | 17 | package com.android.server.biometrics.face; |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 18 | |
| 19 | import static android.Manifest.permission.INTERACT_ACROSS_USERS; |
Kevin Chyn | a24e9fd | 2018-08-27 12:39:17 -0700 | [diff] [blame] | 20 | import static android.Manifest.permission.MANAGE_BIOMETRIC; |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 21 | import static android.Manifest.permission.RESET_FACE_LOCKOUT; |
Kevin Chyn | a24e9fd | 2018-08-27 12:39:17 -0700 | [diff] [blame] | 22 | import static android.Manifest.permission.USE_BIOMETRIC_INTERNAL; |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 23 | |
| 24 | import android.app.ActivityManager; |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 25 | import android.app.AppOpsManager; |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 26 | import android.content.Context; |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 27 | import android.content.pm.UserInfo; |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 28 | import android.hardware.biometrics.BiometricAuthenticator; |
| 29 | import android.hardware.biometrics.BiometricConstants; |
Kevin Chyn | 7782d14 | 2019-01-18 12:51:33 -0800 | [diff] [blame] | 30 | import android.hardware.biometrics.BiometricsProtoEnums; |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 31 | import android.hardware.biometrics.IBiometricServiceLockoutResetCallback; |
Kevin Chyn | 23289ef | 2018-11-28 16:32:36 -0800 | [diff] [blame] | 32 | import android.hardware.biometrics.IBiometricServiceReceiverInternal; |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 33 | import android.hardware.biometrics.face.V1_0.IBiometricsFace; |
| 34 | import android.hardware.biometrics.face.V1_0.IBiometricsFaceClientCallback; |
Kevin Chyn | d79e24e | 2018-09-25 12:06:59 -0700 | [diff] [blame] | 35 | import android.hardware.biometrics.face.V1_0.Status; |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 36 | import android.hardware.face.Face; |
Kevin Chyn | a24e9fd | 2018-08-27 12:39:17 -0700 | [diff] [blame] | 37 | import android.hardware.face.FaceManager; |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 38 | import android.hardware.face.IFaceService; |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 39 | import android.hardware.face.IFaceServiceReceiver; |
| 40 | import android.os.Binder; |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 41 | import android.os.Environment; |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 42 | import android.os.IBinder; |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 43 | import android.os.RemoteException; |
| 44 | import android.os.SELinux; |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 45 | import android.os.UserHandle; |
| 46 | import android.os.UserManager; |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 47 | import android.util.Slog; |
| 48 | import android.util.proto.ProtoOutputStream; |
| 49 | |
| 50 | import com.android.internal.annotations.GuardedBy; |
| 51 | import com.android.internal.logging.MetricsLogger; |
| 52 | import com.android.internal.util.DumpUtils; |
| 53 | import com.android.server.SystemServerInitThreadPool; |
Kevin Chyn | 355c6bf | 2018-09-20 22:14:19 -0700 | [diff] [blame] | 54 | import com.android.server.biometrics.BiometricServiceBase; |
Kevin Chyn | 836f2cf | 2018-08-27 11:06:39 -0700 | [diff] [blame] | 55 | import com.android.server.biometrics.BiometricUtils; |
| 56 | import com.android.server.biometrics.Metrics; |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 57 | |
| 58 | import org.json.JSONArray; |
| 59 | import org.json.JSONException; |
| 60 | import org.json.JSONObject; |
| 61 | |
| 62 | import java.io.File; |
| 63 | import java.io.FileDescriptor; |
| 64 | import java.io.PrintWriter; |
| 65 | import java.util.ArrayList; |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 66 | import java.util.List; |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 67 | |
| 68 | /** |
| 69 | * A service to manage multiple clients that want to access the face HAL API. |
| 70 | * The service is responsible for maintaining a list of clients and dispatching all |
Kevin Chyn | 51676d2 | 2018-11-05 18:00:43 -0800 | [diff] [blame] | 71 | * face-related events. |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 72 | * |
| 73 | * @hide |
| 74 | */ |
Kevin Chyn | 355c6bf | 2018-09-20 22:14:19 -0700 | [diff] [blame] | 75 | public class FaceService extends BiometricServiceBase { |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 76 | |
| 77 | protected static final String TAG = "FaceService"; |
| 78 | private static final boolean DEBUG = true; |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 79 | private static final String FACE_DATA_DIR = "facedata"; |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 80 | private static final String ACTION_LOCKOUT_RESET = |
Kevin Chyn | 2ffadb3 | 2018-06-19 11:29:38 -0700 | [diff] [blame] | 81 | "com.android.server.biometrics.face.ACTION_LOCKOUT_RESET"; |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 82 | private static final int MAX_FAILED_ATTEMPTS_LOCKOUT_TIMED = 3; |
| 83 | private static final int MAX_FAILED_ATTEMPTS_LOCKOUT_PERMANENT = 12; |
Kevin Chyn | e46a216 | 2018-09-20 18:43:01 -0700 | [diff] [blame] | 84 | private static final int CHALLENGE_TIMEOUT_SEC = 600; // 10 minutes |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 85 | |
Kevin Chyn | 8b7a037 | 2018-09-17 15:06:05 -0700 | [diff] [blame] | 86 | private final class FaceAuthClient extends AuthenticationClientImpl { |
| 87 | public FaceAuthClient(Context context, |
| 88 | DaemonWrapper daemon, long halDeviceId, IBinder token, |
| 89 | ServiceListener listener, int targetUserId, int groupId, long opId, |
Kevin Chyn | 87f257a | 2018-11-27 16:26:07 -0800 | [diff] [blame] | 90 | boolean restricted, String owner, int cookie, boolean requireConfirmation) { |
Kevin Chyn | 8b7a037 | 2018-09-17 15:06:05 -0700 | [diff] [blame] | 91 | super(context, daemon, halDeviceId, token, listener, targetUserId, groupId, opId, |
Kevin Chyn | 87f257a | 2018-11-27 16:26:07 -0800 | [diff] [blame] | 92 | restricted, owner, cookie, requireConfirmation); |
Kevin Chyn | 8b7a037 | 2018-09-17 15:06:05 -0700 | [diff] [blame] | 93 | } |
Kevin Chyn | 7782d14 | 2019-01-18 12:51:33 -0800 | [diff] [blame] | 94 | |
| 95 | @Override |
| 96 | protected int statsModality() { |
| 97 | return FaceService.this.statsModality(); |
| 98 | } |
Kevin Chyn | 8b7a037 | 2018-09-17 15:06:05 -0700 | [diff] [blame] | 99 | } |
| 100 | |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 101 | /** |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 102 | * Receives the incoming binder calls from FaceManager. |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 103 | */ |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 104 | private final class FaceServiceWrapper extends IFaceService.Stub { |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 105 | |
| 106 | /** |
| 107 | * The following methods contain common code which is shared in biometrics/common. |
| 108 | */ |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 109 | @Override // Binder call |
Kevin Chyn | d79e24e | 2018-09-25 12:06:59 -0700 | [diff] [blame] | 110 | public long generateChallenge(IBinder token) { |
Kevin Chyn | a24e9fd | 2018-08-27 12:39:17 -0700 | [diff] [blame] | 111 | checkPermission(MANAGE_BIOMETRIC); |
Kevin Chyn | d79e24e | 2018-09-25 12:06:59 -0700 | [diff] [blame] | 112 | return startGenerateChallenge(token); |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 113 | } |
| 114 | |
| 115 | @Override // Binder call |
Kevin Chyn | d79e24e | 2018-09-25 12:06:59 -0700 | [diff] [blame] | 116 | public int revokeChallenge(IBinder token) { |
Kevin Chyn | a24e9fd | 2018-08-27 12:39:17 -0700 | [diff] [blame] | 117 | checkPermission(MANAGE_BIOMETRIC); |
Kevin Chyn | d79e24e | 2018-09-25 12:06:59 -0700 | [diff] [blame] | 118 | return startRevokeChallenge(token); |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 119 | } |
| 120 | |
| 121 | @Override // Binder call |
Kevin Chyn | 1f16c2d | 2018-12-07 13:06:08 -0800 | [diff] [blame] | 122 | public void enroll(final IBinder token, final byte[] cryptoToken, |
| 123 | final IFaceServiceReceiver receiver, final String opPackageName, |
| 124 | final int[] disabledFeatures) { |
Kevin Chyn | a24e9fd | 2018-08-27 12:39:17 -0700 | [diff] [blame] | 125 | checkPermission(MANAGE_BIOMETRIC); |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 126 | |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 127 | final boolean restricted = isRestricted(); |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 128 | final EnrollClientImpl client = new EnrollClientImpl(getContext(), mDaemonWrapper, |
| 129 | mHalDeviceId, token, new ServiceListenerImpl(receiver), mCurrentUserId, |
Kevin Chyn | 1429a31 | 2019-01-28 16:08:09 -0800 | [diff] [blame] | 130 | 0 /* groupId */, cryptoToken, restricted, opPackageName, disabledFeatures) { |
| 131 | @Override |
| 132 | public boolean shouldVibrate() { |
| 133 | return false; |
| 134 | } |
Kevin Chyn | 7782d14 | 2019-01-18 12:51:33 -0800 | [diff] [blame] | 135 | |
| 136 | @Override |
| 137 | protected int statsModality() { |
| 138 | return FaceService.this.statsModality(); |
| 139 | } |
Kevin Chyn | 1429a31 | 2019-01-28 16:08:09 -0800 | [diff] [blame] | 140 | }; |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 141 | |
Kevin Chyn | 1f16c2d | 2018-12-07 13:06:08 -0800 | [diff] [blame] | 142 | enrollInternal(client, UserHandle.getCallingUserId()); |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 143 | } |
| 144 | |
| 145 | @Override // Binder call |
| 146 | public void cancelEnrollment(final IBinder token) { |
Kevin Chyn | a24e9fd | 2018-08-27 12:39:17 -0700 | [diff] [blame] | 147 | checkPermission(MANAGE_BIOMETRIC); |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 148 | cancelEnrollmentInternal(token); |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 149 | } |
| 150 | |
| 151 | @Override // Binder call |
Kevin Chyn | 747e29b | 2019-01-11 17:01:53 -0800 | [diff] [blame] | 152 | public void authenticate(final IBinder token, final long opId, int userId, |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 153 | final IFaceServiceReceiver receiver, final int flags, |
Kevin Chyn | a24e9fd | 2018-08-27 12:39:17 -0700 | [diff] [blame] | 154 | final String opPackageName) { |
| 155 | checkPermission(USE_BIOMETRIC_INTERNAL); |
Kevin Chyn | 747e29b | 2019-01-11 17:01:53 -0800 | [diff] [blame] | 156 | updateActiveGroup(userId, opPackageName); |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 157 | final boolean restricted = isRestricted(); |
Kevin Chyn | 8b7a037 | 2018-09-17 15:06:05 -0700 | [diff] [blame] | 158 | final AuthenticationClientImpl client = new FaceAuthClient(getContext(), |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 159 | mDaemonWrapper, mHalDeviceId, token, new ServiceListenerImpl(receiver), |
Kevin Chyn | a24e9fd | 2018-08-27 12:39:17 -0700 | [diff] [blame] | 160 | mCurrentUserId, 0 /* groupId */, opId, restricted, opPackageName, |
Kevin Chyn | 87f257a | 2018-11-27 16:26:07 -0800 | [diff] [blame] | 161 | 0 /* cookie */, false /* requireConfirmation */); |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 162 | authenticateInternal(client, opId, opPackageName); |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 163 | } |
| 164 | |
| 165 | @Override // Binder call |
Kevin Chyn | 87f257a | 2018-11-27 16:26:07 -0800 | [diff] [blame] | 166 | public void prepareForAuthentication(boolean requireConfirmation, IBinder token, long opId, |
Kevin Chyn | 23289ef | 2018-11-28 16:32:36 -0800 | [diff] [blame] | 167 | int groupId, IBiometricServiceReceiverInternal wrapperReceiver, |
| 168 | String opPackageName, int cookie, int callingUid, int callingPid, |
| 169 | int callingUserId) { |
Kevin Chyn | a24e9fd | 2018-08-27 12:39:17 -0700 | [diff] [blame] | 170 | checkPermission(USE_BIOMETRIC_INTERNAL); |
Kevin Chyn | 41a8090 | 2019-02-06 08:12:15 -0800 | [diff] [blame] | 171 | updateActiveGroup(groupId, opPackageName); |
Kevin Chyn | a24e9fd | 2018-08-27 12:39:17 -0700 | [diff] [blame] | 172 | final boolean restricted = true; // BiometricPrompt is always restricted |
Kevin Chyn | 8b7a037 | 2018-09-17 15:06:05 -0700 | [diff] [blame] | 173 | final AuthenticationClientImpl client = new FaceAuthClient(getContext(), |
Kevin Chyn | a24e9fd | 2018-08-27 12:39:17 -0700 | [diff] [blame] | 174 | mDaemonWrapper, mHalDeviceId, token, |
Kevin Chyn | 87f257a | 2018-11-27 16:26:07 -0800 | [diff] [blame] | 175 | new BiometricPromptServiceListenerImpl(wrapperReceiver), |
| 176 | mCurrentUserId, 0 /* groupId */, opId, restricted, opPackageName, cookie, |
Kevin Chyn | 158fefb | 2019-01-03 18:59:05 -0800 | [diff] [blame] | 177 | requireConfirmation); |
Kevin Chyn | a24e9fd | 2018-08-27 12:39:17 -0700 | [diff] [blame] | 178 | authenticateInternal(client, opId, opPackageName, callingUid, callingPid, |
| 179 | callingUserId); |
| 180 | } |
| 181 | |
| 182 | @Override // Binder call |
Kevin Chyn | 87f257a | 2018-11-27 16:26:07 -0800 | [diff] [blame] | 183 | public void startPreparedClient(int cookie) { |
| 184 | checkPermission(MANAGE_BIOMETRIC); |
| 185 | startCurrentClient(cookie); |
| 186 | } |
| 187 | |
| 188 | @Override // Binder call |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 189 | public void cancelAuthentication(final IBinder token, final String opPackageName) { |
Kevin Chyn | a24e9fd | 2018-08-27 12:39:17 -0700 | [diff] [blame] | 190 | checkPermission(USE_BIOMETRIC_INTERNAL); |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 191 | cancelAuthenticationInternal(token, opPackageName); |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 192 | } |
| 193 | |
| 194 | @Override // Binder call |
Kevin Chyn | a24e9fd | 2018-08-27 12:39:17 -0700 | [diff] [blame] | 195 | public void cancelAuthenticationFromService(final IBinder token, final String opPackageName, |
Kevin Chyn | e92cdae | 2018-11-21 16:35:04 -0800 | [diff] [blame] | 196 | int callingUid, int callingPid, int callingUserId, boolean fromClient) { |
Kevin Chyn | a24e9fd | 2018-08-27 12:39:17 -0700 | [diff] [blame] | 197 | checkPermission(USE_BIOMETRIC_INTERNAL); |
Kevin Chyn | e92cdae | 2018-11-21 16:35:04 -0800 | [diff] [blame] | 198 | cancelAuthenticationInternal(token, opPackageName, callingUid, callingPid, |
| 199 | callingUserId, fromClient); |
Kevin Chyn | a24e9fd | 2018-08-27 12:39:17 -0700 | [diff] [blame] | 200 | } |
| 201 | |
| 202 | @Override // Binder call |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 203 | public void setActiveUser(final int userId) { |
Kevin Chyn | a24e9fd | 2018-08-27 12:39:17 -0700 | [diff] [blame] | 204 | checkPermission(MANAGE_BIOMETRIC); |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 205 | setActiveUserInternal(userId); |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 206 | } |
| 207 | |
| 208 | @Override // Binder call |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 209 | public void remove(final IBinder token, final int faceId, final int userId, |
| 210 | final IFaceServiceReceiver receiver) { |
Kevin Chyn | a24e9fd | 2018-08-27 12:39:17 -0700 | [diff] [blame] | 211 | checkPermission(MANAGE_BIOMETRIC); |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 212 | |
| 213 | if (token == null) { |
| 214 | Slog.w(TAG, "remove(): token is null"); |
| 215 | return; |
| 216 | } |
| 217 | |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 218 | final boolean restricted = isRestricted(); |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 219 | final RemovalClientImpl client = new RemovalClientImpl(getContext(), mDaemonWrapper, |
| 220 | mHalDeviceId, token, new ServiceListenerImpl(receiver), faceId, 0 /* groupId */, |
Kevin Chyn | 7782d14 | 2019-01-18 12:51:33 -0800 | [diff] [blame] | 221 | userId, restricted, token.toString()) { |
| 222 | @Override |
| 223 | protected int statsModality() { |
| 224 | return FaceService.this.statsModality(); |
| 225 | } |
| 226 | }; |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 227 | client.setShouldNotifyUserActivity(true); |
| 228 | removeInternal(client); |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 229 | } |
| 230 | |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 231 | @Override |
| 232 | public void enumerate(final IBinder token, final int userId, |
| 233 | final IFaceServiceReceiver receiver) { |
Kevin Chyn | a24e9fd | 2018-08-27 12:39:17 -0700 | [diff] [blame] | 234 | checkPermission(MANAGE_BIOMETRIC); |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 235 | |
| 236 | final boolean restricted = isRestricted(); |
| 237 | final EnumerateClientImpl client = new EnumerateClientImpl(getContext(), mDaemonWrapper, |
| 238 | mHalDeviceId, token, new ServiceListenerImpl(receiver), userId, userId, |
Kevin Chyn | 7782d14 | 2019-01-18 12:51:33 -0800 | [diff] [blame] | 239 | restricted, getContext().getOpPackageName()) { |
| 240 | @Override |
| 241 | protected int statsModality() { |
| 242 | return FaceService.this.statsModality(); |
| 243 | } |
| 244 | }; |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 245 | enumerateInternal(client); |
| 246 | } |
| 247 | |
| 248 | @Override |
| 249 | public void addLockoutResetCallback(final IBiometricServiceLockoutResetCallback callback) |
| 250 | throws RemoteException { |
Kevin Chyn | a24e9fd | 2018-08-27 12:39:17 -0700 | [diff] [blame] | 251 | checkPermission(USE_BIOMETRIC_INTERNAL); |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 252 | FaceService.super.addLockoutResetCallback(callback); |
| 253 | } |
| 254 | |
| 255 | @Override // Binder call |
| 256 | protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| 257 | if (!DumpUtils.checkDumpPermission(getContext(), TAG, pw)) { |
| 258 | return; |
| 259 | } |
| 260 | |
| 261 | final long ident = Binder.clearCallingIdentity(); |
| 262 | try { |
| 263 | if (args.length > 0 && "--proto".equals(args[0])) { |
| 264 | dumpProto(fd); |
| 265 | } else { |
| 266 | dumpInternal(pw); |
| 267 | } |
| 268 | } finally { |
| 269 | Binder.restoreCallingIdentity(ident); |
| 270 | } |
| 271 | } |
| 272 | |
| 273 | /** |
| 274 | * The following methods don't use any common code from BiometricService |
| 275 | */ |
| 276 | |
| 277 | // TODO: refactor out common code here |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 278 | @Override // Binder call |
| 279 | public boolean isHardwareDetected(long deviceId, String opPackageName) { |
Kevin Chyn | a24e9fd | 2018-08-27 12:39:17 -0700 | [diff] [blame] | 280 | checkPermission(USE_BIOMETRIC_INTERNAL); |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 281 | if (!canUseBiometric(opPackageName, false /* foregroundOnly */, |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 282 | Binder.getCallingUid(), Binder.getCallingPid(), |
| 283 | UserHandle.getCallingUserId())) { |
| 284 | return false; |
| 285 | } |
| 286 | |
| 287 | final long token = Binder.clearCallingIdentity(); |
| 288 | try { |
| 289 | IBiometricsFace daemon = getFaceDaemon(); |
| 290 | return daemon != null && mHalDeviceId != 0; |
| 291 | } finally { |
| 292 | Binder.restoreCallingIdentity(token); |
| 293 | } |
| 294 | } |
| 295 | |
| 296 | @Override // Binder call |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 297 | public void rename(final int faceId, final String name) { |
Kevin Chyn | a24e9fd | 2018-08-27 12:39:17 -0700 | [diff] [blame] | 298 | checkPermission(MANAGE_BIOMETRIC); |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 299 | if (!isCurrentUserOrProfile(UserHandle.getCallingUserId())) { |
| 300 | return; |
| 301 | } |
| 302 | mHandler.post(new Runnable() { |
| 303 | @Override |
| 304 | public void run() { |
| 305 | getBiometricUtils().renameBiometricForUser(getContext(), mCurrentUserId, |
| 306 | faceId, name); |
| 307 | } |
| 308 | }); |
| 309 | } |
| 310 | |
| 311 | @Override // Binder call |
| 312 | public List<Face> getEnrolledFaces(int userId, String opPackageName) { |
Kevin Chyn | a24e9fd | 2018-08-27 12:39:17 -0700 | [diff] [blame] | 313 | checkPermission(MANAGE_BIOMETRIC); |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 314 | if (!canUseBiometric(opPackageName, false /* foregroundOnly */, |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 315 | Binder.getCallingUid(), Binder.getCallingPid(), |
| 316 | UserHandle.getCallingUserId())) { |
| 317 | return null; |
| 318 | } |
| 319 | |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 320 | return FaceService.this.getEnrolledFaces(userId); |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 321 | } |
| 322 | |
| 323 | @Override // Binder call |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 324 | public boolean hasEnrolledFaces(int userId, String opPackageName) { |
Kevin Chyn | a24e9fd | 2018-08-27 12:39:17 -0700 | [diff] [blame] | 325 | checkPermission(USE_BIOMETRIC_INTERNAL); |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 326 | if (!canUseBiometric(opPackageName, false /* foregroundOnly */, |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 327 | Binder.getCallingUid(), Binder.getCallingPid(), |
| 328 | UserHandle.getCallingUserId())) { |
| 329 | return false; |
| 330 | } |
| 331 | |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 332 | return FaceService.this.hasEnrolledBiometrics(userId); |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 333 | } |
| 334 | |
| 335 | @Override // Binder call |
| 336 | public long getAuthenticatorId(String opPackageName) { |
| 337 | // In this method, we're not checking whether the caller is permitted to use face |
| 338 | // API because current authenticator ID is leaked (in a more contrived way) via Android |
| 339 | // Keystore (android.security.keystore package): the user of that API can create a key |
| 340 | // which requires face authentication for its use, and then query the key's |
| 341 | // characteristics (hidden API) which returns, among other things, face |
| 342 | // authenticator ID which was active at key creation time. |
| 343 | // |
| 344 | // Reason: The part of Android Keystore which runs inside an app's process invokes this |
| 345 | // method in certain cases. Those cases are not always where the developer demonstrates |
| 346 | // explicit intent to use face functionality. Thus, to avoiding throwing an |
| 347 | // unexpected SecurityException this method does not check whether its caller is |
| 348 | // permitted to use face API. |
| 349 | // |
| 350 | // The permission check should be restored once Android Keystore no longer invokes this |
| 351 | // method from inside app processes. |
| 352 | |
| 353 | return FaceService.this.getAuthenticatorId(opPackageName); |
| 354 | } |
| 355 | |
| 356 | @Override // Binder call |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 357 | public void resetTimeout(byte[] token) { |
Kevin Chyn | a24e9fd | 2018-08-27 12:39:17 -0700 | [diff] [blame] | 358 | checkPermission(MANAGE_BIOMETRIC); |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 359 | // TODO: confirm security token when we move timeout management into the HAL layer. |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 360 | mHandler.post(mResetFailedAttemptsForCurrentUserRunnable); |
| 361 | } |
Kevin Chyn | d79e24e | 2018-09-25 12:06:59 -0700 | [diff] [blame] | 362 | |
| 363 | @Override |
Kevin Chyn | 1f16c2d | 2018-12-07 13:06:08 -0800 | [diff] [blame] | 364 | public int setFeature(int feature, boolean enabled, final byte[] token) { |
Kevin Chyn | d79e24e | 2018-09-25 12:06:59 -0700 | [diff] [blame] | 365 | checkPermission(MANAGE_BIOMETRIC); |
| 366 | |
| 367 | final ArrayList<Byte> byteToken = new ArrayList<>(); |
| 368 | for (int i = 0; i < token.length; i++) { |
| 369 | byteToken.add(token[i]); |
| 370 | } |
| 371 | |
| 372 | int result; |
| 373 | try { |
Kevin Chyn | 1f16c2d | 2018-12-07 13:06:08 -0800 | [diff] [blame] | 374 | result = mDaemon != null ? mDaemon.setFeature(feature, enabled, byteToken) |
Kevin Chyn | d79e24e | 2018-09-25 12:06:59 -0700 | [diff] [blame] | 375 | : Status.INTERNAL_ERROR; |
| 376 | } catch (RemoteException e) { |
Kevin Chyn | 1f16c2d | 2018-12-07 13:06:08 -0800 | [diff] [blame] | 377 | Slog.e(getTag(), "Unable to set feature: " + feature + " to enabled:" + enabled, |
| 378 | e); |
Kevin Chyn | d79e24e | 2018-09-25 12:06:59 -0700 | [diff] [blame] | 379 | result = Status.INTERNAL_ERROR; |
| 380 | } |
| 381 | |
| 382 | return result; |
| 383 | } |
| 384 | |
| 385 | @Override |
Kevin Chyn | 1f16c2d | 2018-12-07 13:06:08 -0800 | [diff] [blame] | 386 | public boolean getFeature(int feature) { |
Kevin Chyn | d79e24e | 2018-09-25 12:06:59 -0700 | [diff] [blame] | 387 | checkPermission(MANAGE_BIOMETRIC); |
| 388 | |
Kevin Chyn | d79e24e | 2018-09-25 12:06:59 -0700 | [diff] [blame] | 389 | boolean result = true; |
| 390 | try { |
Kevin Chyn | 1f16c2d | 2018-12-07 13:06:08 -0800 | [diff] [blame] | 391 | result = mDaemon != null ? mDaemon.getFeature(feature) : true; |
Kevin Chyn | d79e24e | 2018-09-25 12:06:59 -0700 | [diff] [blame] | 392 | } catch (RemoteException e) { |
Kevin Chyn | 57f119b | 2018-10-25 12:03:41 -0700 | [diff] [blame] | 393 | Slog.e(getTag(), "Unable to getRequireAttention", e); |
Kevin Chyn | d79e24e | 2018-09-25 12:06:59 -0700 | [diff] [blame] | 394 | } |
| 395 | return result; |
| 396 | } |
Kevin Chyn | 57f119b | 2018-10-25 12:03:41 -0700 | [diff] [blame] | 397 | |
| 398 | @Override |
| 399 | public void userActivity() { |
| 400 | checkPermission(MANAGE_BIOMETRIC); |
| 401 | |
| 402 | if (mDaemon != null) { |
| 403 | try { |
| 404 | mDaemon.userActivity(); |
| 405 | } catch (RemoteException e) { |
| 406 | Slog.e(getTag(), "Unable to send userActivity", e); |
| 407 | } |
| 408 | } |
| 409 | } |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 410 | } |
| 411 | |
| 412 | /** |
| 413 | * Receives callbacks from the ClientMonitor implementations. The results are forwarded to |
Kevin Chyn | a24e9fd | 2018-08-27 12:39:17 -0700 | [diff] [blame] | 414 | * BiometricPrompt. |
| 415 | */ |
Kevin Chyn | e92cdae | 2018-11-21 16:35:04 -0800 | [diff] [blame] | 416 | private class BiometricPromptServiceListenerImpl extends BiometricServiceListener { |
Kevin Chyn | 23289ef | 2018-11-28 16:32:36 -0800 | [diff] [blame] | 417 | BiometricPromptServiceListenerImpl(IBiometricServiceReceiverInternal wrapperReceiver) { |
Kevin Chyn | 87f257a | 2018-11-27 16:26:07 -0800 | [diff] [blame] | 418 | super(wrapperReceiver); |
Kevin Chyn | a24e9fd | 2018-08-27 12:39:17 -0700 | [diff] [blame] | 419 | } |
| 420 | |
| 421 | @Override |
| 422 | public void onAcquired(long deviceId, int acquiredInfo, int vendorCode) |
| 423 | throws RemoteException { |
| 424 | /** |
| 425 | * Map the acquired codes onto existing {@link BiometricConstants} acquired codes. |
| 426 | */ |
Kevin Chyn | e92cdae | 2018-11-21 16:35:04 -0800 | [diff] [blame] | 427 | if (getWrapperReceiver() != null) { |
| 428 | getWrapperReceiver().onAcquired( |
Kevin Chyn | 8b7a037 | 2018-09-17 15:06:05 -0700 | [diff] [blame] | 429 | FaceManager.getMappedAcquiredInfo(acquiredInfo, vendorCode), |
| 430 | FaceManager.getAcquiredString(getContext(), acquiredInfo, vendorCode)); |
Kevin Chyn | a24e9fd | 2018-08-27 12:39:17 -0700 | [diff] [blame] | 431 | } |
| 432 | } |
| 433 | |
| 434 | @Override |
Kevin Chyn | 87f257a | 2018-11-27 16:26:07 -0800 | [diff] [blame] | 435 | public void onError(long deviceId, int error, int vendorCode, int cookie) |
| 436 | throws RemoteException { |
Kevin Chyn | e92cdae | 2018-11-21 16:35:04 -0800 | [diff] [blame] | 437 | if (getWrapperReceiver() != null) { |
Kevin Chyn | 23289ef | 2018-11-28 16:32:36 -0800 | [diff] [blame] | 438 | getWrapperReceiver().onError(cookie, error, |
| 439 | FaceManager.getErrorString(getContext(), error, vendorCode)); |
Kevin Chyn | a24e9fd | 2018-08-27 12:39:17 -0700 | [diff] [blame] | 440 | } |
| 441 | } |
| 442 | } |
| 443 | |
| 444 | /** |
| 445 | * Receives callbacks from the ClientMonitor implementations. The results are forwarded to |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 446 | * the FaceManager. |
| 447 | */ |
| 448 | private class ServiceListenerImpl implements ServiceListener { |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 449 | private IFaceServiceReceiver mFaceServiceReceiver; |
| 450 | |
| 451 | public ServiceListenerImpl(IFaceServiceReceiver receiver) { |
| 452 | mFaceServiceReceiver = receiver; |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 453 | } |
| 454 | |
| 455 | @Override |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 456 | public void onEnrollResult(BiometricAuthenticator.Identifier identifier, int remaining) |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 457 | throws RemoteException { |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 458 | if (mFaceServiceReceiver != null) { |
| 459 | mFaceServiceReceiver.onEnrollResult(identifier.getDeviceId(), |
| 460 | identifier.getBiometricId(), |
| 461 | remaining); |
| 462 | } |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 463 | } |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 464 | |
| 465 | @Override |
| 466 | public void onAcquired(long deviceId, int acquiredInfo, int vendorCode) |
| 467 | throws RemoteException { |
| 468 | if (mFaceServiceReceiver != null) { |
| 469 | mFaceServiceReceiver.onAcquired(deviceId, acquiredInfo, vendorCode); |
| 470 | } |
| 471 | } |
| 472 | |
| 473 | @Override |
| 474 | public void onAuthenticationSucceeded(long deviceId, |
| 475 | BiometricAuthenticator.Identifier biometric, int userId) |
| 476 | throws RemoteException { |
| 477 | if (mFaceServiceReceiver != null) { |
Kevin Chyn | 628b718 | 2018-11-13 12:00:48 -0800 | [diff] [blame] | 478 | if (biometric == null || biometric instanceof Face) { |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 479 | mFaceServiceReceiver.onAuthenticationSucceeded(deviceId, (Face)biometric); |
| 480 | } else { |
| 481 | Slog.e(TAG, "onAuthenticationSucceeded received non-face biometric"); |
| 482 | } |
| 483 | } |
| 484 | } |
| 485 | |
| 486 | @Override |
| 487 | public void onAuthenticationFailed(long deviceId) throws RemoteException { |
| 488 | if (mFaceServiceReceiver != null) { |
| 489 | mFaceServiceReceiver.onAuthenticationFailed(deviceId); |
| 490 | } |
| 491 | } |
| 492 | |
| 493 | @Override |
Kevin Chyn | 87f257a | 2018-11-27 16:26:07 -0800 | [diff] [blame] | 494 | public void onError(long deviceId, int error, int vendorCode, int cookie) |
| 495 | throws RemoteException { |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 496 | if (mFaceServiceReceiver != null) { |
| 497 | mFaceServiceReceiver.onError(deviceId, error, vendorCode); |
| 498 | } |
| 499 | } |
| 500 | |
| 501 | @Override |
| 502 | public void onRemoved(BiometricAuthenticator.Identifier identifier, |
| 503 | int remaining) throws RemoteException { |
| 504 | if (mFaceServiceReceiver != null) { |
| 505 | mFaceServiceReceiver.onRemoved(identifier.getDeviceId(), |
| 506 | identifier.getBiometricId(), remaining); |
| 507 | } |
| 508 | } |
| 509 | |
| 510 | @Override |
| 511 | public void onEnumerated(BiometricAuthenticator.Identifier identifier, int remaining) |
| 512 | throws RemoteException { |
| 513 | if (mFaceServiceReceiver != null) { |
| 514 | |
| 515 | } |
| 516 | } |
| 517 | } |
| 518 | |
| 519 | private final FaceMetrics mFaceMetrics = new FaceMetrics(); |
| 520 | |
| 521 | @GuardedBy("this") |
| 522 | private IBiometricsFace mDaemon; |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 523 | private long mHalDeviceId; |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 524 | |
| 525 | /** |
| 526 | * Receives callbacks from the HAL. |
| 527 | */ |
| 528 | private IBiometricsFaceClientCallback mDaemonCallback = |
| 529 | new IBiometricsFaceClientCallback.Stub() { |
| 530 | @Override |
| 531 | public void onEnrollResult(final long deviceId, int faceId, int userId, |
| 532 | int remaining) { |
| 533 | mHandler.post(() -> { |
| 534 | final Face face = new Face(getBiometricUtils() |
| 535 | .getUniqueName(getContext(), userId), faceId, deviceId); |
| 536 | FaceService.super.handleEnrollResult(face, remaining); |
| 537 | }); |
| 538 | } |
| 539 | |
| 540 | @Override |
| 541 | public void onAcquired(final long deviceId, final int userId, |
| 542 | final int acquiredInfo, |
| 543 | final int vendorCode) { |
| 544 | mHandler.post(() -> { |
| 545 | FaceService.super.handleAcquired(deviceId, acquiredInfo, vendorCode); |
| 546 | }); |
| 547 | } |
| 548 | |
| 549 | @Override |
| 550 | public void onAuthenticated(final long deviceId, final int faceId, final int userId, |
| 551 | ArrayList<Byte> token) { |
| 552 | mHandler.post(() -> { |
Kevin Chyn | b528d69 | 2018-07-20 11:53:14 -0700 | [diff] [blame] | 553 | Face face = new Face("", faceId, deviceId); |
| 554 | FaceService.super.handleAuthenticated(face, token); |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 555 | }); |
| 556 | } |
| 557 | |
| 558 | @Override |
| 559 | public void onError(final long deviceId, final int userId, final int error, |
| 560 | final int vendorCode) { |
| 561 | mHandler.post(() -> { |
| 562 | FaceService.super.handleError(deviceId, error, vendorCode); |
| 563 | |
| 564 | // TODO: this chunk of code should be common to all biometric services |
| 565 | if (error == BiometricConstants.BIOMETRIC_ERROR_HW_UNAVAILABLE) { |
| 566 | // If we get HW_UNAVAILABLE, try to connect again later... |
| 567 | Slog.w(TAG, "Got ERROR_HW_UNAVAILABLE; try reconnecting next client."); |
| 568 | synchronized (this) { |
| 569 | mDaemon = null; |
| 570 | mHalDeviceId = 0; |
| 571 | mCurrentUserId = UserHandle.USER_NULL; |
| 572 | } |
| 573 | } |
| 574 | }); |
| 575 | } |
| 576 | |
| 577 | @Override |
| 578 | public void onRemoved(final long deviceId, final int faceId, final int userId, |
| 579 | final int remaining) { |
| 580 | mHandler.post(() -> { |
| 581 | final Face face = new Face("", faceId, deviceId); |
| 582 | FaceService.super.handleRemoved(face, remaining); |
| 583 | }); |
| 584 | } |
| 585 | |
| 586 | @Override |
| 587 | public void onEnumerate(long deviceId, ArrayList<Integer> faceIds, int userId) |
| 588 | throws RemoteException { |
| 589 | // TODO |
| 590 | } |
| 591 | }; |
| 592 | |
| 593 | /** |
| 594 | * Wraps the HAL-specific code and is passed to the ClientMonitor implementations so that they |
| 595 | * can be shared between the multiple biometric services. |
| 596 | */ |
| 597 | private final DaemonWrapper mDaemonWrapper = new DaemonWrapper() { |
| 598 | @Override |
| 599 | public int authenticate(long operationId, int groupId) throws RemoteException { |
| 600 | IBiometricsFace daemon = getFaceDaemon(); |
| 601 | if (daemon == null) { |
| 602 | Slog.w(TAG, "authenticate(): no face HAL!"); |
| 603 | return ERROR_ESRCH; |
| 604 | } |
| 605 | return daemon.authenticate(operationId); |
| 606 | } |
| 607 | |
| 608 | @Override |
| 609 | public int cancel() throws RemoteException { |
| 610 | IBiometricsFace daemon = getFaceDaemon(); |
| 611 | if (daemon == null) { |
| 612 | Slog.w(TAG, "cancel(): no face HAL!"); |
| 613 | return ERROR_ESRCH; |
| 614 | } |
| 615 | return daemon.cancel(); |
| 616 | } |
| 617 | |
| 618 | @Override |
| 619 | public int remove(int groupId, int biometricId) throws RemoteException { |
| 620 | IBiometricsFace daemon = getFaceDaemon(); |
| 621 | if (daemon == null) { |
| 622 | Slog.w(TAG, "remove(): no face HAL!"); |
| 623 | return ERROR_ESRCH; |
| 624 | } |
| 625 | return daemon.remove(biometricId); |
| 626 | } |
| 627 | |
| 628 | @Override |
| 629 | public int enumerate() throws RemoteException { |
| 630 | IBiometricsFace daemon = getFaceDaemon(); |
| 631 | if (daemon == null) { |
| 632 | Slog.w(TAG, "enumerate(): no face HAL!"); |
| 633 | return ERROR_ESRCH; |
| 634 | } |
| 635 | return daemon.enumerate(); |
| 636 | } |
| 637 | |
| 638 | @Override |
Kevin Chyn | 1f16c2d | 2018-12-07 13:06:08 -0800 | [diff] [blame] | 639 | public int enroll(byte[] cryptoToken, int groupId, int timeout, |
| 640 | ArrayList<Integer> disabledFeatures) throws RemoteException { |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 641 | IBiometricsFace daemon = getFaceDaemon(); |
| 642 | if (daemon == null) { |
| 643 | Slog.w(TAG, "enroll(): no face HAL!"); |
| 644 | return ERROR_ESRCH; |
| 645 | } |
| 646 | final ArrayList<Byte> token = new ArrayList<>(); |
| 647 | for (int i = 0; i < cryptoToken.length; i++) { |
| 648 | token.add(cryptoToken[i]); |
| 649 | } |
Kevin Chyn | a0e920f | 2018-08-31 15:16:55 -0700 | [diff] [blame] | 650 | // TODO: plumb requireAttention down from framework |
Kevin Chyn | 1f16c2d | 2018-12-07 13:06:08 -0800 | [diff] [blame] | 651 | return daemon.enroll(token, timeout, disabledFeatures); |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 652 | } |
| 653 | }; |
| 654 | |
| 655 | |
| 656 | public FaceService(Context context) { |
| 657 | super(context); |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 658 | } |
| 659 | |
| 660 | @Override |
| 661 | public void onStart() { |
Kevin Chyn | 5a2ff5d | 2018-08-29 19:07:30 -0700 | [diff] [blame] | 662 | super.onStart(); |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 663 | publishBinderService(Context.FACE_SERVICE, new FaceServiceWrapper()); |
| 664 | SystemServerInitThreadPool.get().submit(this::getFaceDaemon, TAG + ".onStart"); |
| 665 | } |
| 666 | |
| 667 | @Override |
| 668 | public String getTag() { |
| 669 | return TAG; |
| 670 | } |
| 671 | |
| 672 | @Override |
| 673 | protected BiometricUtils getBiometricUtils() { |
| 674 | return FaceUtils.getInstance(); |
| 675 | } |
| 676 | |
| 677 | @Override |
| 678 | protected int getFailedAttemptsLockoutTimed() { |
| 679 | return MAX_FAILED_ATTEMPTS_LOCKOUT_TIMED; |
| 680 | } |
| 681 | |
| 682 | @Override |
| 683 | protected int getFailedAttemptsLockoutPermanent() { |
| 684 | return MAX_FAILED_ATTEMPTS_LOCKOUT_PERMANENT; |
| 685 | } |
| 686 | |
| 687 | @Override |
| 688 | protected Metrics getMetrics() { |
| 689 | return mFaceMetrics; |
| 690 | } |
| 691 | |
| 692 | @Override |
| 693 | protected boolean hasReachedEnrollmentLimit(int userId) { |
| 694 | final int limit = getContext().getResources().getInteger( |
Kevin Chyn | 017e76e | 2018-06-27 18:35:06 -0700 | [diff] [blame] | 695 | com.android.internal.R.integer.config_faceMaxTemplatesPerUser); |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 696 | final int enrolled = FaceService.this.getEnrolledFaces(userId).size(); |
| 697 | if (enrolled >= limit) { |
| 698 | Slog.w(TAG, "Too many faces registered"); |
| 699 | return true; |
| 700 | } |
| 701 | return false; |
| 702 | } |
| 703 | |
| 704 | @Override |
Kevin Chyn | 9ba9991 | 2019-01-16 16:24:36 -0800 | [diff] [blame] | 705 | public void serviceDied(long cookie) { |
| 706 | super.serviceDied(cookie); |
| 707 | mDaemon = null; |
| 708 | } |
| 709 | |
| 710 | @Override |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 711 | protected void updateActiveGroup(int userId, String clientPackage) { |
| 712 | IBiometricsFace daemon = getFaceDaemon(); |
| 713 | |
| 714 | if (daemon != null) { |
| 715 | try { |
| 716 | userId = getUserOrWorkProfileId(clientPackage, userId); |
| 717 | if (userId != mCurrentUserId) { |
| 718 | final File baseDir = Environment.getDataVendorDeDirectory(userId); |
| 719 | final File faceDir = new File(baseDir, FACE_DATA_DIR); |
| 720 | if (!faceDir.exists()) { |
| 721 | if (!faceDir.mkdir()) { |
| 722 | Slog.v(TAG, "Cannot make directory: " + faceDir.getAbsolutePath()); |
| 723 | return; |
| 724 | } |
| 725 | // Calling mkdir() from this process will create a directory with our |
| 726 | // permissions (inherited from the containing dir). This command fixes |
| 727 | // the label. |
| 728 | if (!SELinux.restorecon(faceDir)) { |
| 729 | Slog.w(TAG, "Restorecons failed. Directory will have wrong label."); |
| 730 | return; |
| 731 | } |
| 732 | } |
| 733 | |
| 734 | daemon.setActiveUser(userId, faceDir.getAbsolutePath()); |
| 735 | mCurrentUserId = userId; |
| 736 | } |
| 737 | mAuthenticatorIds.put(userId, |
| 738 | hasEnrolledBiometrics(userId) ? daemon.getAuthenticatorId().value : 0L); |
| 739 | } catch (RemoteException e) { |
| 740 | Slog.e(TAG, "Failed to setActiveUser():", e); |
| 741 | } |
| 742 | } |
| 743 | } |
| 744 | |
| 745 | @Override |
| 746 | protected String getLockoutResetIntent() { |
| 747 | return ACTION_LOCKOUT_RESET; |
| 748 | } |
| 749 | |
| 750 | @Override |
| 751 | protected String getLockoutBroadcastPermission() { |
| 752 | return RESET_FACE_LOCKOUT; |
| 753 | } |
| 754 | |
| 755 | @Override |
| 756 | protected long getHalDeviceId() { |
| 757 | return mHalDeviceId; |
| 758 | } |
| 759 | |
| 760 | @Override |
| 761 | protected void handleUserSwitching(int userId) { |
| 762 | updateActiveGroup(userId, null); |
| 763 | } |
| 764 | |
| 765 | @Override |
| 766 | protected boolean hasEnrolledBiometrics(int userId) { |
| 767 | if (userId != UserHandle.getCallingUserId()) { |
| 768 | checkPermission(INTERACT_ACROSS_USERS); |
| 769 | } |
| 770 | return getBiometricUtils().getBiometricsForUser(getContext(), userId).size() > 0; |
| 771 | } |
| 772 | |
| 773 | @Override |
| 774 | protected String getManageBiometricPermission() { |
Kevin Chyn | a24e9fd | 2018-08-27 12:39:17 -0700 | [diff] [blame] | 775 | return MANAGE_BIOMETRIC; |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 776 | } |
| 777 | |
| 778 | @Override |
| 779 | protected void checkUseBiometricPermission() { |
Kevin Chyn | a24e9fd | 2018-08-27 12:39:17 -0700 | [diff] [blame] | 780 | // noop for Face. The permission checks are all done on the incoming binder call. |
| 781 | // TODO: Perhaps do the same in FingerprintService |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 782 | } |
| 783 | |
| 784 | @Override |
Kevin Chyn | b3c05aa | 2018-09-21 16:50:32 -0700 | [diff] [blame] | 785 | protected boolean checkAppOps(int uid, String opPackageName) { |
| 786 | return mAppOps.noteOp(AppOpsManager.OP_USE_BIOMETRIC, uid, opPackageName) |
| 787 | == AppOpsManager.MODE_ALLOWED; |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 788 | } |
| 789 | |
| 790 | @Override |
| 791 | protected void notifyClientActiveCallbacks(boolean isActive) { |
| 792 | // noop for Face. |
| 793 | } |
| 794 | |
Kevin Chyn | 7782d14 | 2019-01-18 12:51:33 -0800 | [diff] [blame] | 795 | @Override |
| 796 | protected int statsModality() { |
| 797 | return BiometricsProtoEnums.MODALITY_FACE; |
| 798 | } |
| 799 | |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 800 | /** Gets the face daemon */ |
| 801 | private synchronized IBiometricsFace getFaceDaemon() { |
| 802 | if (mDaemon == null) { |
| 803 | Slog.v(TAG, "mDaemon was null, reconnect to face"); |
| 804 | try { |
| 805 | mDaemon = IBiometricsFace.getService(); |
| 806 | } catch (java.util.NoSuchElementException e) { |
| 807 | // Service doesn't exist or cannot be opened. Logged below. |
| 808 | } catch (RemoteException e) { |
| 809 | Slog.e(TAG, "Failed to get biometric interface", e); |
| 810 | } |
| 811 | if (mDaemon == null) { |
| 812 | Slog.w(TAG, "face HIDL not available"); |
| 813 | return null; |
| 814 | } |
| 815 | |
| 816 | mDaemon.asBinder().linkToDeath(this, 0); |
| 817 | |
| 818 | try { |
| 819 | mHalDeviceId = mDaemon.setCallback(mDaemonCallback).value; |
| 820 | } catch (RemoteException e) { |
| 821 | Slog.e(TAG, "Failed to open face HAL", e); |
| 822 | mDaemon = null; // try again later! |
| 823 | } |
| 824 | |
| 825 | if (DEBUG) Slog.v(TAG, "Face HAL id: " + mHalDeviceId); |
| 826 | if (mHalDeviceId != 0) { |
| 827 | loadAuthenticatorIds(); |
| 828 | updateActiveGroup(ActivityManager.getCurrentUser(), null); |
| 829 | } else { |
| 830 | Slog.w(TAG, "Failed to open Face HAL!"); |
| 831 | MetricsLogger.count(getContext(), "faced_openhal_error", 1); |
| 832 | mDaemon = null; |
| 833 | } |
| 834 | } |
| 835 | return mDaemon; |
| 836 | } |
| 837 | |
Kevin Chyn | d79e24e | 2018-09-25 12:06:59 -0700 | [diff] [blame] | 838 | private long startGenerateChallenge(IBinder token) { |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 839 | IBiometricsFace daemon = getFaceDaemon(); |
| 840 | if (daemon == null) { |
Kevin Chyn | d79e24e | 2018-09-25 12:06:59 -0700 | [diff] [blame] | 841 | Slog.w(TAG, "startGenerateChallenge: no face HAL!"); |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 842 | return 0; |
| 843 | } |
| 844 | try { |
Kevin Chyn | e46a216 | 2018-09-20 18:43:01 -0700 | [diff] [blame] | 845 | return daemon.generateChallenge(CHALLENGE_TIMEOUT_SEC).value; |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 846 | } catch (RemoteException e) { |
Kevin Chyn | d79e24e | 2018-09-25 12:06:59 -0700 | [diff] [blame] | 847 | Slog.e(TAG, "startGenerateChallenge failed", e); |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 848 | } |
| 849 | return 0; |
| 850 | } |
| 851 | |
Kevin Chyn | d79e24e | 2018-09-25 12:06:59 -0700 | [diff] [blame] | 852 | private int startRevokeChallenge(IBinder token) { |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 853 | IBiometricsFace daemon = getFaceDaemon(); |
| 854 | if (daemon == null) { |
Kevin Chyn | d79e24e | 2018-09-25 12:06:59 -0700 | [diff] [blame] | 855 | Slog.w(TAG, "startRevokeChallenge: no face HAL!"); |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 856 | return 0; |
| 857 | } |
| 858 | try { |
Kevin Chyn | 96c9297 | 2018-08-31 16:09:31 -0700 | [diff] [blame] | 859 | return daemon.revokeChallenge(); |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 860 | } catch (RemoteException e) { |
Kevin Chyn | d79e24e | 2018-09-25 12:06:59 -0700 | [diff] [blame] | 861 | Slog.e(TAG, "startRevokeChallenge failed", e); |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 862 | } |
| 863 | return 0; |
| 864 | } |
| 865 | |
| 866 | private List<Face> getEnrolledFaces(int userId) { |
| 867 | return getBiometricUtils().getBiometricsForUser(getContext(), userId); |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 868 | } |
| 869 | |
| 870 | private void dumpInternal(PrintWriter pw) { |
| 871 | JSONObject dump = new JSONObject(); |
| 872 | try { |
| 873 | dump.put("service", "Face Manager"); |
| 874 | |
| 875 | JSONArray sets = new JSONArray(); |
| 876 | for (UserInfo user : UserManager.get(getContext()).getUsers()) { |
| 877 | final int userId = user.getUserHandle().getIdentifier(); |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 878 | final int N = getBiometricUtils().getBiometricsForUser(getContext(), userId).size(); |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 879 | PerformanceStats stats = mPerformanceMap.get(userId); |
| 880 | PerformanceStats cryptoStats = mCryptoPerformanceMap.get(userId); |
| 881 | JSONObject set = new JSONObject(); |
| 882 | set.put("id", userId); |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 883 | set.put("count", N); |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 884 | set.put("accept", (stats != null) ? stats.accept : 0); |
| 885 | set.put("reject", (stats != null) ? stats.reject : 0); |
| 886 | set.put("acquire", (stats != null) ? stats.acquire : 0); |
| 887 | set.put("lockout", (stats != null) ? stats.lockout : 0); |
| 888 | set.put("permanentLockout", (stats != null) ? stats.permanentLockout : 0); |
| 889 | // cryptoStats measures statistics about secure face transactions |
| 890 | // (e.g. to unlock password storage, make secure purchases, etc.) |
| 891 | set.put("acceptCrypto", (cryptoStats != null) ? cryptoStats.accept : 0); |
| 892 | set.put("rejectCrypto", (cryptoStats != null) ? cryptoStats.reject : 0); |
| 893 | set.put("acquireCrypto", (cryptoStats != null) ? cryptoStats.acquire : 0); |
| 894 | set.put("lockoutCrypto", (cryptoStats != null) ? cryptoStats.lockout : 0); |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 895 | set.put("permanentLockoutCrypto", |
| 896 | (cryptoStats != null) ? cryptoStats.permanentLockout : 0); |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 897 | sets.put(set); |
| 898 | } |
| 899 | |
| 900 | dump.put("prints", sets); |
| 901 | } catch (JSONException e) { |
| 902 | Slog.e(TAG, "dump formatting failure", e); |
| 903 | } |
| 904 | pw.println(dump); |
Kevin Chyn | 9ba9991 | 2019-01-16 16:24:36 -0800 | [diff] [blame] | 905 | pw.println("HAL Deaths: " + mHALDeathCount); |
| 906 | mHALDeathCount = 0; |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 907 | } |
| 908 | |
| 909 | private void dumpProto(FileDescriptor fd) { |
| 910 | final ProtoOutputStream proto = new ProtoOutputStream(fd); |
| 911 | for (UserInfo user : UserManager.get(getContext()).getUsers()) { |
| 912 | final int userId = user.getUserHandle().getIdentifier(); |
| 913 | |
| 914 | final long userToken = proto.start(FaceServiceDumpProto.USERS); |
| 915 | |
| 916 | proto.write(FaceUserStatsProto.USER_ID, userId); |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 917 | proto.write(FaceUserStatsProto.NUM_FACES, |
| 918 | getBiometricUtils().getBiometricsForUser(getContext(), userId).size()); |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 919 | |
| 920 | // Normal face authentications (e.g. lockscreen) |
| 921 | final PerformanceStats normal = mPerformanceMap.get(userId); |
| 922 | if (normal != null) { |
| 923 | final long countsToken = proto.start(FaceUserStatsProto.NORMAL); |
| 924 | proto.write(FaceActionStatsProto.ACCEPT, normal.accept); |
| 925 | proto.write(FaceActionStatsProto.REJECT, normal.reject); |
| 926 | proto.write(FaceActionStatsProto.ACQUIRE, normal.acquire); |
| 927 | proto.write(FaceActionStatsProto.LOCKOUT, normal.lockout); |
| 928 | proto.write(FaceActionStatsProto.LOCKOUT_PERMANENT, normal.lockout); |
| 929 | proto.end(countsToken); |
| 930 | } |
| 931 | |
| 932 | // Statistics about secure face transactions (e.g. to unlock password |
| 933 | // storage, make secure purchases, etc.) |
| 934 | final PerformanceStats crypto = mCryptoPerformanceMap.get(userId); |
| 935 | if (crypto != null) { |
| 936 | final long countsToken = proto.start(FaceUserStatsProto.CRYPTO); |
| 937 | proto.write(FaceActionStatsProto.ACCEPT, crypto.accept); |
| 938 | proto.write(FaceActionStatsProto.REJECT, crypto.reject); |
| 939 | proto.write(FaceActionStatsProto.ACQUIRE, crypto.acquire); |
| 940 | proto.write(FaceActionStatsProto.LOCKOUT, crypto.lockout); |
| 941 | proto.write(FaceActionStatsProto.LOCKOUT_PERMANENT, crypto.lockout); |
| 942 | proto.end(countsToken); |
| 943 | } |
| 944 | |
| 945 | proto.end(userToken); |
| 946 | } |
| 947 | proto.flush(); |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 948 | mPerformanceMap.clear(); |
| 949 | mCryptoPerformanceMap.clear(); |
Gilad Bretter | cb51b8b | 2018-03-22 17:04:51 +0200 | [diff] [blame] | 950 | } |
Kevin Chyn | 8b7a037 | 2018-09-17 15:06:05 -0700 | [diff] [blame] | 951 | } |