Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 1 | /** |
| 2 | * Copyright (C) 2014 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.android.server.fingerprint; |
| 18 | |
Jim Miller | 9f0753f | 2015-03-23 23:59:22 -0700 | [diff] [blame] | 19 | import android.content.ContentResolver; |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 20 | import android.content.Context; |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 21 | import android.os.Handler; |
| 22 | import android.os.IBinder; |
Jim Miller | ba67aee | 2015-02-20 16:21:26 -0800 | [diff] [blame] | 23 | import android.os.Looper; |
| 24 | import android.os.MessageQueue; |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 25 | import android.os.RemoteException; |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 26 | import android.util.ArrayMap; |
| 27 | import android.util.Slog; |
| 28 | |
| 29 | import com.android.server.SystemService; |
| 30 | |
Jim Miller | ebbf205 | 2015-03-31 17:24:34 -0700 | [diff] [blame] | 31 | import android.hardware.fingerprint.FingerprintUtils; |
| 32 | import android.hardware.fingerprint.Fingerprint; |
| 33 | import android.hardware.fingerprint.FingerprintManager; |
| 34 | import android.hardware.fingerprint.IFingerprintService; |
| 35 | import android.hardware.fingerprint.IFingerprintServiceReceiver; |
Jim Miller | 9f0753f | 2015-03-23 23:59:22 -0700 | [diff] [blame] | 36 | |
Jim Miller | ba67aee | 2015-02-20 16:21:26 -0800 | [diff] [blame] | 37 | import static android.Manifest.permission.MANAGE_FINGERPRINT; |
| 38 | import static android.Manifest.permission.USE_FINGERPRINT; |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 39 | |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 40 | import java.lang.ref.WeakReference; |
Jim Miller | 9f0753f | 2015-03-23 23:59:22 -0700 | [diff] [blame] | 41 | import java.util.ArrayList; |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 42 | import java.util.Arrays; |
Jim Miller | 9f0753f | 2015-03-23 23:59:22 -0700 | [diff] [blame] | 43 | import java.util.List; |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 44 | |
| 45 | /** |
| 46 | * A service to manage multiple clients that want to access the fingerprint HAL API. |
| 47 | * The service is responsible for maintaining a list of clients and dispatching all |
| 48 | * fingerprint -related events. |
| 49 | * |
| 50 | * @hide |
| 51 | */ |
| 52 | public class FingerprintService extends SystemService { |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 53 | private static final String TAG = "FingerprintService"; |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 54 | private static final boolean DEBUG = true; |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 55 | private ClientMonitor mAuthClient = null; |
| 56 | private ClientMonitor mEnrollClient = null; |
| 57 | private ClientMonitor mRemoveClient = null; |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 58 | |
| 59 | private static final int MSG_NOTIFY = 10; |
| 60 | |
Jim Miller | 9f0753f | 2015-03-23 23:59:22 -0700 | [diff] [blame] | 61 | private static final int ENROLLMENT_TIMEOUT_MS = 60 * 1000; // 1 minute |
| 62 | |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 63 | // Message types. Used internally to dispatch messages to the correct callback. |
| 64 | // Must agree with the list in fingerprint.h |
| 65 | private static final int FINGERPRINT_ERROR = -1; |
| 66 | private static final int FINGERPRINT_ACQUIRED = 1; |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 67 | private static final int FINGERPRINT_TEMPLATE_ENROLLING = 3; |
| 68 | private static final int FINGERPRINT_TEMPLATE_REMOVED = 4; |
| 69 | private static final int FINGERPRINT_AUTHENTICATED = 5; |
Jim Miller | af281ca | 2015-04-20 19:04:21 -0700 | [diff] [blame^] | 70 | private static final long MS_PER_SEC = 1000; |
| 71 | private static final long FAIL_LOCKOUT_TIMEOUT_MS = 30*1000; |
| 72 | private static final int MAX_FAILED_ATTEMPTS = 5; |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 73 | |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 74 | Handler mHandler = new Handler() { |
| 75 | public void handleMessage(android.os.Message msg) { |
| 76 | switch (msg.what) { |
| 77 | case MSG_NOTIFY: |
Jim Miller | 9f0753f | 2015-03-23 23:59:22 -0700 | [diff] [blame] | 78 | FpHalMsg m = (FpHalMsg) msg.obj; |
| 79 | handleNotify(m.type, m.arg1, m.arg2, m.arg3); |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 80 | break; |
| 81 | |
| 82 | default: |
| 83 | Slog.w(TAG, "Unknown message:" + msg.what); |
| 84 | } |
| 85 | } |
| 86 | }; |
| 87 | private Context mContext; |
Jim Miller | ba67aee | 2015-02-20 16:21:26 -0800 | [diff] [blame] | 88 | private int mHalDeviceId; |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 89 | private int mFailedAttempts; |
| 90 | private final Runnable mLockoutReset = new Runnable() { |
| 91 | @Override |
| 92 | public void run() { |
| 93 | resetFailedAttempts(); |
| 94 | } |
| 95 | }; |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 96 | |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 97 | public FingerprintService(Context context) { |
| 98 | super(context); |
| 99 | mContext = context; |
Jim Miller | ba67aee | 2015-02-20 16:21:26 -0800 | [diff] [blame] | 100 | nativeInit(Looper.getMainLooper().getQueue(), this); |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 101 | } |
| 102 | |
| 103 | // TODO: Move these into separate process |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 104 | // JNI methods to communicate from FingerprintService to HAL |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 105 | static native int nativeEnroll(byte [] token, int groupId, int timeout); |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 106 | static native long nativePreEnroll(); |
| 107 | static native int nativeStopEnrollment(); |
Jim Miller | 9f0753f | 2015-03-23 23:59:22 -0700 | [diff] [blame] | 108 | static native int nativeAuthenticate(long sessionId, int groupId); |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 109 | static native int nativeStopAuthentication(); |
Jim Miller | 9f0753f | 2015-03-23 23:59:22 -0700 | [diff] [blame] | 110 | static native int nativeRemove(int fingerId, int groupId); |
Jim Miller | ba67aee | 2015-02-20 16:21:26 -0800 | [diff] [blame] | 111 | static native int nativeOpenHal(); |
| 112 | static native int nativeCloseHal(); |
| 113 | static native void nativeInit(MessageQueue queue, FingerprintService service); |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 114 | |
Jim Miller | 9f0753f | 2015-03-23 23:59:22 -0700 | [diff] [blame] | 115 | static final class FpHalMsg { |
| 116 | int type; // Type of the message. One of the constants in fingerprint.h |
| 117 | int arg1; // optional arguments |
| 118 | int arg2; |
| 119 | int arg3; |
| 120 | |
| 121 | FpHalMsg(int type, int arg1, int arg2, int arg3) { |
| 122 | this.type = type; |
| 123 | this.arg1 = arg1; |
| 124 | this.arg2 = arg2; |
| 125 | this.arg3 = arg3; |
| 126 | } |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 127 | } |
| 128 | |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 129 | /** |
| 130 | * Called from JNI to communicate messages from fingerprint HAL. |
| 131 | */ |
Jim Miller | 9f0753f | 2015-03-23 23:59:22 -0700 | [diff] [blame] | 132 | void notify(int type, int arg1, int arg2, int arg3) { |
| 133 | mHandler.obtainMessage(MSG_NOTIFY, new FpHalMsg(type, arg1, arg2, arg3)).sendToTarget(); |
| 134 | } |
| 135 | |
| 136 | void handleNotify(int type, int arg1, int arg2, int arg3) { |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 137 | Slog.v(TAG, "handleNotify(type=" + type + ", arg1=" + arg1 + ", arg2=" + arg2 + ")" |
| 138 | + ", mAuthClients = " + mAuthClient + ", mEnrollClient = " + mEnrollClient); |
| 139 | if (mEnrollClient != null) { |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 140 | final IBinder token = mEnrollClient.token; |
Jim Miller | 1304137 | 2015-04-16 14:48:55 -0700 | [diff] [blame] | 141 | if (dispatchNotify(mEnrollClient, type, arg1, arg2, arg3)) { |
| 142 | stopEnrollment(token, false); |
| 143 | removeClient(mEnrollClient); |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 144 | } |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 145 | } |
| 146 | if (mAuthClient != null) { |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 147 | final IBinder token = mAuthClient.token; |
Jim Miller | 1304137 | 2015-04-16 14:48:55 -0700 | [diff] [blame] | 148 | if (dispatchNotify(mAuthClient, type, arg1, arg2, arg3)) { |
| 149 | stopAuthentication(token, false); |
| 150 | removeClient(mAuthClient); |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 151 | } |
| 152 | } |
| 153 | if (mRemoveClient != null) { |
Jim Miller | 1304137 | 2015-04-16 14:48:55 -0700 | [diff] [blame] | 154 | if (dispatchNotify(mRemoveClient, type, arg1, arg2, arg3)) { |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 155 | removeClient(mRemoveClient); |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 156 | } |
| 157 | } |
| 158 | } |
| 159 | |
Jim Miller | 1304137 | 2015-04-16 14:48:55 -0700 | [diff] [blame] | 160 | /* |
| 161 | * Dispatch notify events to clients. |
| 162 | * |
| 163 | * @return true if the operation is done, i.e. authentication completed |
| 164 | */ |
| 165 | boolean dispatchNotify(ClientMonitor clientMonitor, int type, int arg1, int arg2, int arg3) { |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 166 | ContentResolver contentResolver = mContext.getContentResolver(); |
| 167 | boolean operationCompleted = false; |
Jim Miller | 1304137 | 2015-04-16 14:48:55 -0700 | [diff] [blame] | 168 | int fpId; |
| 169 | int groupId; |
| 170 | int remaining; |
| 171 | int acquireInfo; |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 172 | switch (type) { |
| 173 | case FINGERPRINT_ERROR: |
Jim Miller | 1304137 | 2015-04-16 14:48:55 -0700 | [diff] [blame] | 174 | fpId = arg1; |
| 175 | operationCompleted = clientMonitor.sendError(fpId); |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 176 | break; |
| 177 | case FINGERPRINT_ACQUIRED: |
Jim Miller | 1304137 | 2015-04-16 14:48:55 -0700 | [diff] [blame] | 178 | acquireInfo = arg1; |
| 179 | operationCompleted = clientMonitor.sendAcquired(acquireInfo); |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 180 | break; |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 181 | case FINGERPRINT_AUTHENTICATED: |
Jim Miller | 1304137 | 2015-04-16 14:48:55 -0700 | [diff] [blame] | 182 | fpId = arg1; |
| 183 | groupId = arg2; |
| 184 | operationCompleted = clientMonitor.sendAuthenticated(fpId, groupId); |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 185 | break; |
| 186 | case FINGERPRINT_TEMPLATE_ENROLLING: |
Jim Miller | 1304137 | 2015-04-16 14:48:55 -0700 | [diff] [blame] | 187 | fpId = arg1; |
| 188 | groupId = arg2; |
| 189 | remaining = arg3; |
| 190 | operationCompleted = clientMonitor.sendEnrollResult(fpId, groupId, remaining); |
| 191 | if (remaining == 0) { |
| 192 | addTemplateForUser(clientMonitor, contentResolver, fpId); |
| 193 | operationCompleted = true; // enroll completed |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 194 | } |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 195 | break; |
| 196 | case FINGERPRINT_TEMPLATE_REMOVED: |
Jim Miller | 1304137 | 2015-04-16 14:48:55 -0700 | [diff] [blame] | 197 | fpId = arg1; |
| 198 | groupId = arg2; |
| 199 | operationCompleted = clientMonitor.sendRemoved(fpId, groupId); |
| 200 | if (fpId != 0) { |
| 201 | removeTemplateForUser(clientMonitor, contentResolver, fpId); |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 202 | } |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 203 | break; |
| 204 | } |
| 205 | return operationCompleted; |
| 206 | } |
| 207 | |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 208 | private void removeClient(ClientMonitor clientMonitor) { |
| 209 | if (clientMonitor == null) return; |
| 210 | clientMonitor.destroy(); |
| 211 | if (clientMonitor == mAuthClient) { |
| 212 | mAuthClient = null; |
| 213 | } else if (clientMonitor == mEnrollClient) { |
| 214 | mEnrollClient = null; |
| 215 | } else if (clientMonitor == mRemoveClient) { |
| 216 | mRemoveClient = null; |
| 217 | } |
| 218 | } |
| 219 | |
| 220 | private boolean inLockoutMode() { |
| 221 | return mFailedAttempts > MAX_FAILED_ATTEMPTS; |
| 222 | } |
| 223 | |
| 224 | private void resetFailedAttempts() { |
Jim Miller | 1304137 | 2015-04-16 14:48:55 -0700 | [diff] [blame] | 225 | if (DEBUG && inLockoutMode()) { |
| 226 | Slog.v(TAG, "Reset fingerprint lockout"); |
| 227 | } |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 228 | mFailedAttempts = 0; |
| 229 | } |
| 230 | |
| 231 | private boolean handleFailedAttempt(ClientMonitor clientMonitor) { |
| 232 | mFailedAttempts++; |
| 233 | if (mFailedAttempts > MAX_FAILED_ATTEMPTS) { |
| 234 | // Failing multiple times will continue to push out the lockout time. |
| 235 | mHandler.removeCallbacks(mLockoutReset); |
| 236 | mHandler.postDelayed(mLockoutReset, FAIL_LOCKOUT_TIMEOUT_MS); |
| 237 | if (clientMonitor != null |
| 238 | && !clientMonitor.sendError(FingerprintManager.FINGERPRINT_ERROR_LOCKOUT)) { |
| 239 | Slog.w(TAG, "Cannot send lockout message to client"); |
| 240 | } |
| 241 | return true; |
| 242 | } |
| 243 | return false; |
| 244 | } |
| 245 | |
| 246 | private void removeTemplateForUser(ClientMonitor clientMonitor, ContentResolver contentResolver, |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 247 | final int fingerId) { |
| 248 | FingerprintUtils.removeFingerprintIdForUser(fingerId, contentResolver, |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 249 | clientMonitor.userId); |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 250 | } |
| 251 | |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 252 | private void addTemplateForUser(ClientMonitor clientMonitor, ContentResolver contentResolver, |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 253 | final int fingerId) { |
| 254 | FingerprintUtils.addFingerprintIdForUser(contentResolver, fingerId, |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 255 | clientMonitor.userId); |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 256 | } |
| 257 | |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 258 | void startEnrollment(IBinder token, byte[] cryptoToken, int groupId, |
| 259 | IFingerprintServiceReceiver receiver, int flags) { |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 260 | stopPendingOperations(); |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 261 | mEnrollClient = new ClientMonitor(token, receiver, groupId); |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 262 | final int timeout = (int) (ENROLLMENT_TIMEOUT_MS / MS_PER_SEC); |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 263 | final int result = nativeEnroll(cryptoToken, groupId, timeout); |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 264 | if (result != 0) { |
| 265 | Slog.w(TAG, "startEnroll failed, result=" + result); |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 266 | } |
| 267 | } |
| 268 | |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 269 | public long startPreEnroll(IBinder token) { |
| 270 | return nativePreEnroll(); |
| 271 | } |
| 272 | |
| 273 | private void stopPendingOperations() { |
| 274 | if (mEnrollClient != null) { |
Jim Miller | 1304137 | 2015-04-16 14:48:55 -0700 | [diff] [blame] | 275 | stopEnrollment(mEnrollClient.token, true); |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 276 | } |
| 277 | if (mAuthClient != null) { |
Jim Miller | 1304137 | 2015-04-16 14:48:55 -0700 | [diff] [blame] | 278 | stopAuthentication(mAuthClient.token, true); |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 279 | } |
| 280 | // mRemoveClient is allowed to continue |
| 281 | } |
| 282 | |
Jim Miller | 1304137 | 2015-04-16 14:48:55 -0700 | [diff] [blame] | 283 | void stopEnrollment(IBinder token, boolean notify) { |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 284 | final ClientMonitor client = mEnrollClient; |
| 285 | if (client == null || client.token != token) return; |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 286 | int result = nativeStopEnrollment(); |
Jim Miller | 1304137 | 2015-04-16 14:48:55 -0700 | [diff] [blame] | 287 | if (notify) { |
| 288 | client.sendError(FingerprintManager.FINGERPRINT_ERROR_CANCELED); |
| 289 | } |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 290 | removeClient(mEnrollClient); |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 291 | if (result != 0) { |
| 292 | Slog.w(TAG, "startEnrollCancel failed, result=" + result); |
Jim Miller | 9f0753f | 2015-03-23 23:59:22 -0700 | [diff] [blame] | 293 | } |
| 294 | } |
| 295 | |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 296 | void startAuthentication(IBinder token, long opId, int groupId, |
| 297 | IFingerprintServiceReceiver receiver, int flags) { |
| 298 | stopPendingOperations(); |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 299 | mAuthClient = new ClientMonitor(token, receiver, groupId); |
| 300 | if (inLockoutMode()) { |
| 301 | Slog.v(TAG, "In lockout mode; disallowing authentication"); |
| 302 | if (!mAuthClient.sendError(FingerprintManager.FINGERPRINT_ERROR_LOCKOUT)) { |
| 303 | Slog.w(TAG, "Cannot send timeout message to client"); |
| 304 | } |
| 305 | mAuthClient = null; |
| 306 | return; |
| 307 | } |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 308 | final int timeout = (int) (ENROLLMENT_TIMEOUT_MS / MS_PER_SEC); |
| 309 | final int result = nativeAuthenticate(opId, groupId); |
| 310 | if (result != 0) { |
| 311 | Slog.w(TAG, "startAuthentication failed, result=" + result); |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 312 | } |
| 313 | } |
| 314 | |
Jim Miller | 1304137 | 2015-04-16 14:48:55 -0700 | [diff] [blame] | 315 | void stopAuthentication(IBinder token, boolean notify) { |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 316 | final ClientMonitor client = mAuthClient; |
| 317 | if (client == null || client.token != token) return; |
| 318 | int result = nativeStopAuthentication(); |
Jim Miller | 1304137 | 2015-04-16 14:48:55 -0700 | [diff] [blame] | 319 | if (notify) { |
| 320 | client.sendError(FingerprintManager.FINGERPRINT_ERROR_CANCELED); |
| 321 | } |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 322 | removeClient(mAuthClient); |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 323 | if (result != 0) { |
| 324 | Slog.w(TAG, "stopAuthentication failed, result=" + result); |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 325 | } |
| 326 | } |
| 327 | |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 328 | void startRemove(IBinder token, int fingerId, int userId, |
| 329 | IFingerprintServiceReceiver receiver) { |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 330 | mRemoveClient = new ClientMonitor(token, receiver, userId); |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 331 | // The fingerprint template ids will be removed when we get confirmation from the HAL |
| 332 | final int result = nativeRemove(fingerId, userId); |
| 333 | if (result != 0) { |
| 334 | Slog.w(TAG, "startRemove with id = " + fingerId + " failed with result=" + result); |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 335 | } |
| 336 | } |
| 337 | |
Jim Miller | 9f0753f | 2015-03-23 23:59:22 -0700 | [diff] [blame] | 338 | public List<Fingerprint> getEnrolledFingerprints(int groupId) { |
| 339 | ContentResolver resolver = mContext.getContentResolver(); |
| 340 | int[] ids = FingerprintUtils.getFingerprintIdsForUser(resolver, groupId); |
| 341 | List<Fingerprint> result = new ArrayList<Fingerprint>(); |
| 342 | for (int i = 0; i < ids.length; i++) { |
| 343 | // TODO: persist names in Settings |
| 344 | CharSequence name = "Finger" + ids[i]; |
| 345 | final int group = 0; // TODO |
| 346 | final int fingerId = ids[i]; |
| 347 | final long deviceId = 0; // TODO |
| 348 | Fingerprint item = new Fingerprint(name, 0, ids[i], 0); |
| 349 | result.add(item); |
| 350 | } |
| 351 | return result; |
| 352 | } |
| 353 | |
Jorim Jaggi | 2aad7ee | 2015-04-14 15:25:06 -0700 | [diff] [blame] | 354 | public boolean hasEnrolledFingerprints(int groupId) { |
| 355 | ContentResolver resolver = mContext.getContentResolver(); |
| 356 | return FingerprintUtils.getFingerprintIdsForUser(resolver, groupId).length > 0; |
| 357 | } |
| 358 | |
Jim Miller | ba67aee | 2015-02-20 16:21:26 -0800 | [diff] [blame] | 359 | void checkPermission(String permission) { |
Jim Miller | 9f0753f | 2015-03-23 23:59:22 -0700 | [diff] [blame] | 360 | getContext().enforceCallingOrSelfPermission(permission, |
| 361 | "Must have " + permission + " permission."); |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 362 | } |
| 363 | |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 364 | private class ClientMonitor implements IBinder.DeathRecipient { |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 365 | IBinder token; |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 366 | WeakReference<IFingerprintServiceReceiver> receiver; |
| 367 | int userId; |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 368 | |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 369 | public ClientMonitor(IBinder token, IFingerprintServiceReceiver receiver, int userId) { |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 370 | this.token = token; |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 371 | this.receiver = new WeakReference<IFingerprintServiceReceiver>(receiver); |
| 372 | this.userId = userId; |
| 373 | try { |
| 374 | token.linkToDeath(this, 0); |
| 375 | } catch (RemoteException e) { |
| 376 | Slog.w(TAG, "caught remote exception in linkToDeath: ", e); |
| 377 | } |
| 378 | } |
| 379 | |
| 380 | public void destroy() { |
| 381 | if (token != null) { |
| 382 | token.unlinkToDeath(this, 0); |
| 383 | token = null; |
| 384 | } |
| 385 | receiver = null; |
| 386 | } |
| 387 | |
| 388 | public void binderDied() { |
| 389 | token = null; |
| 390 | removeClient(this); |
| 391 | } |
| 392 | |
| 393 | protected void finalize() throws Throwable { |
| 394 | try { |
| 395 | if (token != null) { |
| 396 | if (DEBUG) Slog.w(TAG, "removing leaked reference: " + token); |
| 397 | removeClient(this); |
| 398 | } |
| 399 | } finally { |
| 400 | super.finalize(); |
| 401 | } |
| 402 | } |
| 403 | |
Jim Miller | 1304137 | 2015-04-16 14:48:55 -0700 | [diff] [blame] | 404 | /* |
| 405 | * @return true if we're done. |
| 406 | */ |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 407 | private boolean sendRemoved(int fingerId, int groupId) { |
| 408 | IFingerprintServiceReceiver rx = receiver.get(); |
Jim Miller | 1304137 | 2015-04-16 14:48:55 -0700 | [diff] [blame] | 409 | if (rx == null) return true; // client not listening |
| 410 | try { |
| 411 | rx.onRemoved(mHalDeviceId, fingerId, groupId); |
| 412 | return fingerId == 0; |
| 413 | } catch (RemoteException e) { |
| 414 | Slog.w(TAG, "Failed to notify Removed:", e); |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 415 | } |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 416 | return false; |
| 417 | } |
| 418 | |
Jim Miller | 1304137 | 2015-04-16 14:48:55 -0700 | [diff] [blame] | 419 | /* |
| 420 | * @return true if we're done. |
| 421 | */ |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 422 | private boolean sendEnrollResult(int fpId, int groupId, int remaining) { |
| 423 | IFingerprintServiceReceiver rx = receiver.get(); |
Jim Miller | 1304137 | 2015-04-16 14:48:55 -0700 | [diff] [blame] | 424 | if (rx == null) return true; // client not listening |
Jim Miller | af281ca | 2015-04-20 19:04:21 -0700 | [diff] [blame^] | 425 | FingerprintUtils.vibrateFingerprintSuccess(getContext()); |
Jim Miller | 1304137 | 2015-04-16 14:48:55 -0700 | [diff] [blame] | 426 | try { |
| 427 | rx.onEnrollResult(mHalDeviceId, fpId, groupId, remaining); |
| 428 | return remaining == 0; |
| 429 | } catch (RemoteException e) { |
| 430 | Slog.w(TAG, "Failed to notify EnrollResult:", e); |
| 431 | return true; |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 432 | } |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 433 | } |
| 434 | |
Jim Miller | 1304137 | 2015-04-16 14:48:55 -0700 | [diff] [blame] | 435 | /* |
| 436 | * @return true if we're done. |
| 437 | */ |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 438 | private boolean sendAuthenticated(int fpId, int groupId) { |
| 439 | IFingerprintServiceReceiver rx = receiver.get(); |
Jim Miller | 1304137 | 2015-04-16 14:48:55 -0700 | [diff] [blame] | 440 | boolean result = false; |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 441 | if (rx != null) { |
| 442 | try { |
| 443 | rx.onAuthenticated(mHalDeviceId, fpId, groupId); |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 444 | } catch (RemoteException e) { |
Jim Miller | 1304137 | 2015-04-16 14:48:55 -0700 | [diff] [blame] | 445 | Slog.w(TAG, "Failed to notify Authenticated:", e); |
| 446 | result = true; // client failed |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 447 | } |
Jim Miller | 1304137 | 2015-04-16 14:48:55 -0700 | [diff] [blame] | 448 | } else { |
| 449 | result = true; // client not listening |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 450 | } |
Jim Miller | 1304137 | 2015-04-16 14:48:55 -0700 | [diff] [blame] | 451 | if (fpId <= 0) { |
Jim Miller | af281ca | 2015-04-20 19:04:21 -0700 | [diff] [blame^] | 452 | FingerprintUtils.vibrateFingerprintError(getContext()); |
Jim Miller | 1304137 | 2015-04-16 14:48:55 -0700 | [diff] [blame] | 453 | result |= handleFailedAttempt(this); |
| 454 | } else { |
Jim Miller | af281ca | 2015-04-20 19:04:21 -0700 | [diff] [blame^] | 455 | FingerprintUtils.vibrateFingerprintSuccess(getContext()); |
Jim Miller | 1304137 | 2015-04-16 14:48:55 -0700 | [diff] [blame] | 456 | result |= true; // we have a valid fingerprint |
| 457 | mLockoutReset.run(); |
| 458 | } |
| 459 | return result; |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 460 | } |
| 461 | |
Jim Miller | 1304137 | 2015-04-16 14:48:55 -0700 | [diff] [blame] | 462 | /* |
| 463 | * @return true if we're done. |
| 464 | */ |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 465 | private boolean sendAcquired(int acquiredInfo) { |
| 466 | IFingerprintServiceReceiver rx = receiver.get(); |
Jim Miller | 1304137 | 2015-04-16 14:48:55 -0700 | [diff] [blame] | 467 | if (rx == null) return true; // client not listening |
| 468 | try { |
| 469 | rx.onAcquired(mHalDeviceId, acquiredInfo); |
| 470 | return false; // acquisition continues... |
| 471 | } catch (RemoteException e) { |
| 472 | Slog.w(TAG, "Failed to invoke sendAcquired:", e); |
| 473 | return true; // client failed |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 474 | } |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 475 | } |
| 476 | |
Jim Miller | 1304137 | 2015-04-16 14:48:55 -0700 | [diff] [blame] | 477 | /* |
| 478 | * @return true if we're done. |
| 479 | */ |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 480 | private boolean sendError(int error) { |
| 481 | IFingerprintServiceReceiver rx = receiver.get(); |
| 482 | if (rx != null) { |
| 483 | try { |
| 484 | rx.onError(mHalDeviceId, error); |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 485 | } catch (RemoteException e) { |
Jim Miller | 1304137 | 2015-04-16 14:48:55 -0700 | [diff] [blame] | 486 | Slog.w(TAG, "Failed to invoke sendError:", e); |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 487 | } |
| 488 | } |
Jim Miller | 1304137 | 2015-04-16 14:48:55 -0700 | [diff] [blame] | 489 | return true; // errors always terminate progress |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 490 | } |
| 491 | } |
| 492 | |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 493 | private final class FingerprintServiceWrapper extends IFingerprintService.Stub { |
Jim Miller | 9f0753f | 2015-03-23 23:59:22 -0700 | [diff] [blame] | 494 | @Override |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 495 | public long preEnroll(IBinder token) { |
Jim Miller | ba67aee | 2015-02-20 16:21:26 -0800 | [diff] [blame] | 496 | checkPermission(MANAGE_FINGERPRINT); |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 497 | return startPreEnroll(token); |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 498 | } |
| 499 | |
Jim Miller | ebbf205 | 2015-03-31 17:24:34 -0700 | [diff] [blame] | 500 | @Override |
Jim Miller | 9f0753f | 2015-03-23 23:59:22 -0700 | [diff] [blame] | 501 | // Binder call |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 502 | public void enroll(final IBinder token, final byte[] cryptoToken, final int groupId, |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 503 | final IFingerprintServiceReceiver receiver, final int flags) { |
| 504 | checkPermission(MANAGE_FINGERPRINT); |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 505 | final byte [] cryptoClone = Arrays.copyOf(cryptoToken, cryptoToken.length); |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 506 | mHandler.post(new Runnable() { |
| 507 | @Override |
| 508 | public void run() { |
Jim Miller | fe6439f | 2015-04-11 18:07:57 -0700 | [diff] [blame] | 509 | startEnrollment(token, cryptoClone, groupId, receiver, flags); |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 510 | } |
| 511 | }); |
| 512 | } |
| 513 | |
| 514 | @Override |
| 515 | // Binder call |
| 516 | public void cancelEnrollment(final IBinder token) { |
| 517 | checkPermission(MANAGE_FINGERPRINT); |
| 518 | mHandler.post(new Runnable() { |
| 519 | @Override |
| 520 | public void run() { |
Jim Miller | 1304137 | 2015-04-16 14:48:55 -0700 | [diff] [blame] | 521 | stopEnrollment(token, true); |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 522 | } |
| 523 | }); |
| 524 | } |
| 525 | |
| 526 | @Override |
| 527 | // Binder call |
| 528 | public void authenticate(final IBinder token, final long opId, final int groupId, |
| 529 | final IFingerprintServiceReceiver receiver, final int flags) { |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 530 | checkPermission(USE_FINGERPRINT); |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 531 | mHandler.post(new Runnable() { |
| 532 | @Override |
| 533 | public void run() { |
| 534 | startAuthentication(token, opId, groupId, receiver, flags); |
| 535 | } |
| 536 | }); |
| 537 | } |
| 538 | |
| 539 | @Override |
| 540 | |
| 541 | // Binder call |
| 542 | public void cancelAuthentication(final IBinder token) { |
| 543 | checkPermission(USE_FINGERPRINT); |
| 544 | mHandler.post(new Runnable() { |
| 545 | @Override |
| 546 | public void run() { |
Jim Miller | 1304137 | 2015-04-16 14:48:55 -0700 | [diff] [blame] | 547 | stopAuthentication(token, true); |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 548 | } |
| 549 | }); |
Jim Miller | ba67aee | 2015-02-20 16:21:26 -0800 | [diff] [blame] | 550 | } |
Jim Miller | 99d6019 | 2015-03-11 17:41:58 -0700 | [diff] [blame] | 551 | |
| 552 | @Override |
Jim Miller | 9f0753f | 2015-03-23 23:59:22 -0700 | [diff] [blame] | 553 | // Binder call |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 554 | public void remove(final IBinder token, final int fingerId, final int groupId, |
| 555 | final IFingerprintServiceReceiver receiver) { |
Jim Miller | 9f0753f | 2015-03-23 23:59:22 -0700 | [diff] [blame] | 556 | checkPermission(MANAGE_FINGERPRINT); // TODO: Maybe have another permission |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 557 | mHandler.post(new Runnable() { |
| 558 | @Override |
| 559 | public void run() { |
| 560 | startRemove(token, fingerId, groupId, receiver); |
| 561 | } |
| 562 | }); |
Jim Miller | 9f0753f | 2015-03-23 23:59:22 -0700 | [diff] [blame] | 563 | |
Jim Miller | 9f0753f | 2015-03-23 23:59:22 -0700 | [diff] [blame] | 564 | } |
| 565 | |
| 566 | @Override |
| 567 | // Binder call |
| 568 | public boolean isHardwareDetected(long deviceId) { |
| 569 | checkPermission(USE_FINGERPRINT); |
| 570 | return mHalDeviceId != 0; // TODO |
| 571 | } |
| 572 | |
| 573 | @Override |
| 574 | // Binder call |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 575 | public void rename(final int fingerId, final int groupId, final String name) { |
Jim Miller | 99d6019 | 2015-03-11 17:41:58 -0700 | [diff] [blame] | 576 | checkPermission(MANAGE_FINGERPRINT); |
Jim Miller | ce7eb6d | 2015-04-03 19:29:13 -0700 | [diff] [blame] | 577 | mHandler.post(new Runnable() { |
| 578 | @Override |
| 579 | public void run() { |
| 580 | Slog.w(TAG, "rename id=" + fingerId + ",gid=" + groupId + ",name=" + name); |
| 581 | } |
| 582 | }); |
Jim Miller | 99d6019 | 2015-03-11 17:41:58 -0700 | [diff] [blame] | 583 | } |
Jim Miller | 9f0753f | 2015-03-23 23:59:22 -0700 | [diff] [blame] | 584 | |
| 585 | @Override |
| 586 | // Binder call |
| 587 | public List<Fingerprint> getEnrolledFingerprints(int groupId) { |
| 588 | checkPermission(USE_FINGERPRINT); |
| 589 | return FingerprintService.this.getEnrolledFingerprints(groupId); |
| 590 | } |
Jorim Jaggi | 2aad7ee | 2015-04-14 15:25:06 -0700 | [diff] [blame] | 591 | |
| 592 | @Override |
| 593 | // Binder call |
| 594 | public boolean hasEnrolledFingerprints(int groupId) { |
| 595 | checkPermission(USE_FINGERPRINT); |
| 596 | return FingerprintService.this.hasEnrolledFingerprints(groupId); |
| 597 | } |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 598 | } |
| 599 | |
| 600 | @Override |
| 601 | public void onStart() { |
Jim Miller | 9f0753f | 2015-03-23 23:59:22 -0700 | [diff] [blame] | 602 | publishBinderService(Context.FINGERPRINT_SERVICE, new FingerprintServiceWrapper()); |
| 603 | mHalDeviceId = nativeOpenHal(); |
| 604 | if (DEBUG) Slog.v(TAG, "Fingerprint HAL id: " + mHalDeviceId); |
Jim Miller | a7596147 | 2014-06-06 15:00:49 -0700 | [diff] [blame] | 605 | } |
| 606 | |
| 607 | } |