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