Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 1 | /** |
| 2 | * Copyright (C) 2016 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 | |
| 19 | import android.content.Context; |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 20 | import android.hardware.biometrics.fingerprint.V2_1.IBiometricsFingerprint; |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 21 | import android.hardware.fingerprint.FingerprintManager; |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 22 | import android.hardware.fingerprint.IFingerprintServiceReceiver; |
| 23 | import android.os.IBinder; |
| 24 | import android.os.RemoteException; |
| 25 | import android.os.UserHandle; |
| 26 | import android.util.Slog; |
Jim Miller | c57c8d9 | 2016-09-30 17:17:59 -0700 | [diff] [blame] | 27 | import com.android.internal.logging.MetricsLogger; |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 28 | |
| 29 | /** |
| 30 | * A class to keep track of the remove state for a given client. |
| 31 | */ |
| 32 | public abstract class RemovalClient extends ClientMonitor { |
| 33 | private int mFingerId; |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 34 | |
| 35 | public RemovalClient(Context context, long halDeviceId, IBinder token, |
Jim Miller | 8f2aca0 | 2016-04-20 13:34:11 -0700 | [diff] [blame] | 36 | IFingerprintServiceReceiver receiver, int fingerId, int groupId, int userId, |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 37 | boolean restricted, String owner) { |
| 38 | super(context, halDeviceId, token, receiver, userId, groupId, restricted, owner); |
| 39 | mFingerId = fingerId; |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 40 | } |
| 41 | |
| 42 | @Override |
| 43 | public int start() { |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 44 | IBiometricsFingerprint daemon = getFingerprintDaemon(); |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 45 | // The fingerprint template ids will be removed when we get confirmation from the HAL |
| 46 | try { |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 47 | final int result = daemon.remove(getGroupId(), mFingerId); |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 48 | if (result != 0) { |
| 49 | Slog.w(TAG, "startRemove with id = " + mFingerId + " failed, result=" + result); |
Jim Miller | c57c8d9 | 2016-09-30 17:17:59 -0700 | [diff] [blame] | 50 | MetricsLogger.histogram(getContext(), "fingerprintd_remove_start_error", result); |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 51 | onError(FingerprintManager.FINGERPRINT_ERROR_HW_UNAVAILABLE, 0 /* vendorCode */); |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 52 | return result; |
| 53 | } |
| 54 | } catch (RemoteException e) { |
| 55 | Slog.e(TAG, "startRemove failed", e); |
| 56 | } |
| 57 | return 0; |
| 58 | } |
| 59 | |
| 60 | @Override |
| 61 | public int stop(boolean initiatedByClient) { |
Kevin Chyn | 3736858 | 2017-05-19 17:15:38 -0700 | [diff] [blame] | 62 | if (mAlreadyCancelled) { |
| 63 | Slog.w(TAG, "stopRemove: already cancelled!"); |
| 64 | return 0; |
| 65 | } |
Kevin Chyn | d1f1a0b | 2017-04-03 13:37:48 -0700 | [diff] [blame] | 66 | IBiometricsFingerprint daemon = getFingerprintDaemon(); |
| 67 | if (daemon == null) { |
| 68 | Slog.w(TAG, "stopRemoval: no fingerprint HAL!"); |
| 69 | return ERROR_ESRCH; |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 70 | } |
Kevin Chyn | d1f1a0b | 2017-04-03 13:37:48 -0700 | [diff] [blame] | 71 | try { |
| 72 | final int result = daemon.cancel(); |
| 73 | if (result != 0) { |
| 74 | Slog.w(TAG, "stopRemoval failed, result=" + result); |
| 75 | return result; |
| 76 | } |
| 77 | if (DEBUG) Slog.w(TAG, "client " + getOwnerString() + " is no longer removing"); |
| 78 | } catch (RemoteException e) { |
| 79 | Slog.e(TAG, "stopRemoval failed", e); |
| 80 | return ERROR_ESRCH; |
| 81 | } |
Kevin Chyn | 3736858 | 2017-05-19 17:15:38 -0700 | [diff] [blame] | 82 | mAlreadyCancelled = true; |
Kevin Chyn | d1f1a0b | 2017-04-03 13:37:48 -0700 | [diff] [blame] | 83 | return 0; // success |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 84 | } |
| 85 | |
| 86 | /* |
| 87 | * @return true if we're done. |
| 88 | */ |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 89 | private boolean sendRemoved(int fingerId, int groupId, int remaining) { |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 90 | IFingerprintServiceReceiver receiver = getReceiver(); |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 91 | try { |
Jim Miller | 8f2aca0 | 2016-04-20 13:34:11 -0700 | [diff] [blame] | 92 | if (receiver != null) { |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 93 | receiver.onRemoved(getHalDeviceId(), fingerId, groupId, remaining); |
Jim Miller | 8f2aca0 | 2016-04-20 13:34:11 -0700 | [diff] [blame] | 94 | } |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 95 | } catch (RemoteException e) { |
| 96 | Slog.w(TAG, "Failed to notify Removed:", e); |
| 97 | } |
Kevin Chyn | ac521ec | 2017-05-04 11:47:38 -0700 | [diff] [blame] | 98 | return remaining == 0; |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 99 | } |
| 100 | |
| 101 | @Override |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 102 | public boolean onRemoved(int fingerId, int groupId, int remaining) { |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 103 | if (fingerId != 0) { |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 104 | FingerprintUtils.getInstance().removeFingerprintIdForUser(getContext(), fingerId, |
Jim Miller | 8f2aca0 | 2016-04-20 13:34:11 -0700 | [diff] [blame] | 105 | getTargetUserId()); |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 106 | } |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 107 | return sendRemoved(fingerId, getGroupId(), remaining); |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 108 | } |
| 109 | |
| 110 | @Override |
| 111 | public boolean onEnrollResult(int fingerId, int groupId, int rem) { |
| 112 | if (DEBUG) Slog.w(TAG, "onEnrollResult() called for remove!"); |
| 113 | return true; // Invalid for Remove |
| 114 | } |
| 115 | |
| 116 | @Override |
| 117 | public boolean onAuthenticated(int fingerId, int groupId) { |
| 118 | if (DEBUG) Slog.w(TAG, "onAuthenticated() called for remove!"); |
| 119 | return true; // Invalid for Remove. |
| 120 | } |
| 121 | |
| 122 | @Override |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 123 | public boolean onEnumerationResult(int fingerId, int groupId, int remaining) { |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 124 | if (DEBUG) Slog.w(TAG, "onEnumerationResult() called for remove!"); |
Jim Miller | 40e4645 | 2016-12-16 18:38:53 -0800 | [diff] [blame] | 125 | return true; // Invalid for Remove. |
Jim Miller | cb2ce6f | 2016-04-13 20:28:18 -0700 | [diff] [blame] | 126 | } |
| 127 | |
| 128 | |
| 129 | } |