Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [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 | |
| 17 | package com.android.server.rollback; |
| 18 | |
Richard Uhler | 1fc10c1 | 2019-03-18 11:38:46 +0000 | [diff] [blame] | 19 | import android.Manifest; |
JW Wang | 53e89c9 | 2019-11-28 19:53:45 +0800 | [diff] [blame] | 20 | import android.annotation.AnyThread; |
Richard Uhler | 2a5facc | 2019-02-18 11:33:03 +0000 | [diff] [blame] | 21 | import android.annotation.NonNull; |
JW Wang | 1ac3d11 | 2020-02-07 15:52:36 +0800 | [diff] [blame] | 22 | import android.annotation.Nullable; |
JW Wang | 53e89c9 | 2019-11-28 19:53:45 +0800 | [diff] [blame] | 23 | import android.annotation.WorkerThread; |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 24 | import android.app.AppOpsManager; |
| 25 | import android.content.BroadcastReceiver; |
| 26 | import android.content.Context; |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 27 | import android.content.Intent; |
| 28 | import android.content.IntentFilter; |
| 29 | import android.content.IntentSender; |
Richard Uhler | ab009ea | 2019-02-25 12:11:05 +0000 | [diff] [blame] | 30 | import android.content.pm.ApplicationInfo; |
Richard Uhler | 1fc10c1 | 2019-03-18 11:38:46 +0000 | [diff] [blame] | 31 | import android.content.pm.ModuleInfo; |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 32 | import android.content.pm.PackageInfo; |
| 33 | import android.content.pm.PackageInstaller; |
| 34 | import android.content.pm.PackageManager; |
| 35 | import android.content.pm.PackageManagerInternal; |
| 36 | import android.content.pm.PackageParser; |
| 37 | import android.content.pm.ParceledListSlice; |
Richard Uhler | 82913b7 | 2019-04-01 13:02:31 +0100 | [diff] [blame] | 38 | import android.content.pm.UserInfo; |
Richard Uhler | a7e9b2d | 2019-01-22 17:20:58 +0000 | [diff] [blame] | 39 | import android.content.pm.VersionedPackage; |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 40 | import android.content.rollback.IRollbackManager; |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 41 | import android.content.rollback.RollbackInfo; |
Richard Uhler | 2a48c29 | 2019-01-28 17:33:48 +0000 | [diff] [blame] | 42 | import android.content.rollback.RollbackManager; |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 43 | import android.os.Binder; |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 44 | import android.os.Environment; |
| 45 | import android.os.Handler; |
JW Wang | c63c1da | 2020-01-15 15:44:25 +0800 | [diff] [blame] | 46 | import android.os.HandlerExecutor; |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 47 | import android.os.HandlerThread; |
Narayan Kamath | 869f706 | 2019-01-10 12:24:15 +0000 | [diff] [blame] | 48 | import android.os.Process; |
shafik | da5e4ee | 2019-02-12 16:29:01 +0000 | [diff] [blame] | 49 | import android.os.SystemClock; |
shafik | 74fec18 | 2019-03-14 16:29:48 +0000 | [diff] [blame] | 50 | import android.os.UserHandle; |
Richard Uhler | 798b859 | 2019-06-07 14:04:43 +0100 | [diff] [blame] | 51 | import android.os.UserManager; |
shafik | 0ad18b8 | 2019-01-24 16:27:24 +0000 | [diff] [blame] | 52 | import android.provider.DeviceConfig; |
Narayan Kamath | c034fe9 | 2019-01-23 10:48:17 +0000 | [diff] [blame] | 53 | import android.util.IntArray; |
JW Wang | 5d17a76 | 2020-02-03 16:02:33 +0800 | [diff] [blame] | 54 | import android.util.Log; |
JW Wang | fab29c6 | 2019-11-19 16:17:41 +0800 | [diff] [blame] | 55 | import android.util.LongArrayQueue; |
shafik | bb771fb | 2019-06-05 14:59:57 +0100 | [diff] [blame] | 56 | import android.util.Slog; |
Richard Uhler | b9d5447 | 2019-01-22 12:50:08 +0000 | [diff] [blame] | 57 | import android.util.SparseBooleanArray; |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 58 | |
| 59 | import com.android.internal.annotations.GuardedBy; |
Oli Lan | 8753d82 | 2019-11-01 11:33:53 +0000 | [diff] [blame] | 60 | import com.android.internal.util.DumpUtils; |
shafik | 6004600 | 2019-03-12 17:54:10 +0000 | [diff] [blame] | 61 | import com.android.internal.util.IndentingPrintWriter; |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 62 | import com.android.server.LocalServices; |
Gavin Corkery | efb3ff1 | 2019-12-02 18:15:24 +0000 | [diff] [blame] | 63 | import com.android.server.PackageWatchdog; |
JW Wang | 9b51b73 | 2019-12-11 17:14:15 +0800 | [diff] [blame] | 64 | import com.android.server.SystemConfig; |
shafik | 18b627e | 2019-05-01 20:41:48 +0100 | [diff] [blame] | 65 | import com.android.server.Watchdog; |
Oli Lan | 592cd9d | 2020-03-05 12:08:42 +0000 | [diff] [blame] | 66 | import com.android.server.pm.ApexManager; |
Narayan Kamath | 869f706 | 2019-01-10 12:24:15 +0000 | [diff] [blame] | 67 | import com.android.server.pm.Installer; |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 68 | |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 69 | import java.io.File; |
shafik | 6004600 | 2019-03-12 17:54:10 +0000 | [diff] [blame] | 70 | import java.io.FileDescriptor; |
shafik | 6004600 | 2019-03-12 17:54:10 +0000 | [diff] [blame] | 71 | import java.io.PrintWriter; |
Richard Uhler | b9d5447 | 2019-01-22 12:50:08 +0000 | [diff] [blame] | 72 | import java.security.SecureRandom; |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 73 | import java.time.Instant; |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 74 | import java.time.temporal.ChronoUnit; |
| 75 | import java.util.ArrayList; |
JW Wang | 12d0c3e | 2019-12-02 21:01:35 +0800 | [diff] [blame] | 76 | import java.util.Arrays; |
Richard Uhler | 1924d6d | 2019-04-26 10:20:12 +0100 | [diff] [blame] | 77 | import java.util.HashSet; |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 78 | import java.util.Iterator; |
| 79 | import java.util.List; |
Richard Uhler | b9d5447 | 2019-01-22 12:50:08 +0000 | [diff] [blame] | 80 | import java.util.Random; |
Richard Uhler | e9aaf63 | 2019-03-01 16:03:01 +0000 | [diff] [blame] | 81 | import java.util.Set; |
Richard Uhler | 74ee299 | 2019-07-01 15:21:44 +0100 | [diff] [blame] | 82 | import java.util.concurrent.CountDownLatch; |
JW Wang | c63c1da | 2020-01-15 15:44:25 +0800 | [diff] [blame] | 83 | import java.util.concurrent.Executor; |
Narayan Kamath | fcd4a04 | 2019-02-01 14:16:37 +0000 | [diff] [blame] | 84 | import java.util.concurrent.LinkedBlockingQueue; |
shafik | 0ad18b8 | 2019-01-24 16:27:24 +0000 | [diff] [blame] | 85 | import java.util.concurrent.TimeUnit; |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 86 | |
| 87 | /** |
| 88 | * Implementation of service that manages APK level rollbacks. |
JW Wang | 53e89c9 | 2019-11-28 19:53:45 +0800 | [diff] [blame] | 89 | * |
| 90 | * Threading model: |
| 91 | * |
| 92 | * - @AnyThread annotates thread-safe methods. |
| 93 | * - @WorkerThread annotates methods that should be called from the handler thread only. |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 94 | */ |
| 95 | class RollbackManagerServiceImpl extends IRollbackManager.Stub { |
| 96 | |
| 97 | private static final String TAG = "RollbackManager"; |
JW Wang | 5d17a76 | 2020-02-03 16:02:33 +0800 | [diff] [blame] | 98 | private static final boolean LOCAL_LOGV = Log.isLoggable(TAG, Log.VERBOSE); |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 99 | |
Matt Pape | 6686f1f | 2019-07-09 10:41:20 -0700 | [diff] [blame] | 100 | // Rollbacks expire after 14 days. |
shafik | 0ad18b8 | 2019-01-24 16:27:24 +0000 | [diff] [blame] | 101 | private static final long DEFAULT_ROLLBACK_LIFETIME_DURATION_MILLIS = |
Matt Pape | 6686f1f | 2019-07-09 10:41:20 -0700 | [diff] [blame] | 102 | TimeUnit.DAYS.toMillis(14); |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 103 | |
| 104 | // Lock used to synchronize accesses to in-memory rollback data |
| 105 | // structures. By convention, methods with the suffix "Locked" require |
| 106 | // mLock is held when they are called. |
| 107 | private final Object mLock = new Object(); |
| 108 | |
shafik | 0ad18b8 | 2019-01-24 16:27:24 +0000 | [diff] [blame] | 109 | // No need for guarding with lock because value is only accessed in handler thread |
| 110 | // and the value will be written on boot complete. Initialization here happens before |
| 111 | // handler threads are running so that's fine. |
| 112 | private long mRollbackLifetimeDurationInMillis = DEFAULT_ROLLBACK_LIFETIME_DURATION_MILLIS; |
| 113 | |
shafik | 18b627e | 2019-05-01 20:41:48 +0100 | [diff] [blame] | 114 | private static final long HANDLER_THREAD_TIMEOUT_DURATION_MILLIS = |
| 115 | TimeUnit.MINUTES.toMillis(10); |
| 116 | |
Richard Uhler | b9d5447 | 2019-01-22 12:50:08 +0000 | [diff] [blame] | 117 | // Used for generating rollback IDs. |
| 118 | private final Random mRandom = new SecureRandom(); |
| 119 | |
| 120 | // Set of allocated rollback ids |
| 121 | @GuardedBy("mLock") |
| 122 | private final SparseBooleanArray mAllocatedRollbackIds = new SparseBooleanArray(); |
| 123 | |
Richard Uhler | 6f8a33b | 2019-02-26 10:40:36 +0000 | [diff] [blame] | 124 | // The list of all rollbacks, including available and committed rollbacks. |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 125 | @GuardedBy("mLock") |
Richard Uhler | 8d512ee | 2019-07-19 14:55:01 +0100 | [diff] [blame] | 126 | private final List<Rollback> mRollbacks; |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 127 | |
Oli Lan | 0bf4486 | 2019-08-29 14:25:38 +0100 | [diff] [blame] | 128 | // Apk sessions from a staged session with no matching rollback. |
| 129 | @GuardedBy("mLock") |
| 130 | private final IntArray mOrphanedApkSessionIds = new IntArray(); |
| 131 | |
Richard Uhler | 28e7323 | 2019-01-21 16:48:55 +0000 | [diff] [blame] | 132 | private final RollbackStore mRollbackStore; |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 133 | |
| 134 | private final Context mContext; |
| 135 | private final HandlerThread mHandlerThread; |
JW Wang | c63c1da | 2020-01-15 15:44:25 +0800 | [diff] [blame] | 136 | private final Executor mExecutor; |
Narayan Kamath | 869f706 | 2019-01-10 12:24:15 +0000 | [diff] [blame] | 137 | private final Installer mInstaller; |
Zimuzo | c4073cc | 2019-01-18 18:39:18 +0000 | [diff] [blame] | 138 | private final RollbackPackageHealthObserver mPackageHealthObserver; |
Nikita Ioffe | 952aa7b | 2019-01-28 19:49:56 +0000 | [diff] [blame] | 139 | private final AppDataRollbackHelper mAppDataRollbackHelper; |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 140 | |
JW Wang | fab29c6 | 2019-11-19 16:17:41 +0800 | [diff] [blame] | 141 | // The # of milli-seconds to sleep for each received ACTION_PACKAGE_ENABLE_ROLLBACK. |
| 142 | // Used by #blockRollbackManager to test timeout in enabling rollbacks. |
| 143 | // Accessed on the handler thread only. |
| 144 | private final LongArrayQueue mSleepDuration = new LongArrayQueue(); |
| 145 | |
shafik | da5e4ee | 2019-02-12 16:29:01 +0000 | [diff] [blame] | 146 | // This field stores the difference in Millis between the uptime (millis since device |
Richard Uhler | 8d512ee | 2019-07-19 14:55:01 +0100 | [diff] [blame] | 147 | // has booted) and current time (device wall clock) - it's used to update rollback |
shafik | da5e4ee | 2019-02-12 16:29:01 +0000 | [diff] [blame] | 148 | // timestamps when the time is changed, by the user or by change of timezone. |
| 149 | // No need for guarding with lock because value is only accessed in handler thread. |
| 150 | private long mRelativeBootTime = calculateRelativeBootTime(); |
| 151 | |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 152 | RollbackManagerServiceImpl(Context context) { |
| 153 | mContext = context; |
Narayan Kamath | 869f706 | 2019-01-10 12:24:15 +0000 | [diff] [blame] | 154 | // Note that we're calling onStart here because this object is only constructed on |
| 155 | // SystemService#onStart. |
| 156 | mInstaller = new Installer(mContext); |
| 157 | mInstaller.onStart(); |
shafik | 18b627e | 2019-05-01 20:41:48 +0100 | [diff] [blame] | 158 | |
Richard Uhler | 28e7323 | 2019-01-21 16:48:55 +0000 | [diff] [blame] | 159 | mRollbackStore = new RollbackStore(new File(Environment.getDataDirectory(), "rollback")); |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 160 | |
Zimuzo | c4073cc | 2019-01-18 18:39:18 +0000 | [diff] [blame] | 161 | mPackageHealthObserver = new RollbackPackageHealthObserver(mContext); |
Nikita Ioffe | 952aa7b | 2019-01-28 19:49:56 +0000 | [diff] [blame] | 162 | mAppDataRollbackHelper = new AppDataRollbackHelper(mInstaller); |
Zimuzo | c4073cc | 2019-01-18 18:39:18 +0000 | [diff] [blame] | 163 | |
Richard Uhler | 74ee299 | 2019-07-01 15:21:44 +0100 | [diff] [blame] | 164 | // Load rollback data from device storage. |
| 165 | synchronized (mLock) { |
Richard Uhler | 8d512ee | 2019-07-19 14:55:01 +0100 | [diff] [blame] | 166 | mRollbacks = mRollbackStore.loadRollbacks(); |
JW Wang | 529d3aa | 2020-02-10 16:22:40 +0800 | [diff] [blame] | 167 | if (!context.getPackageManager().isDeviceUpgrading()) { |
| 168 | for (Rollback rollback : mRollbacks) { |
| 169 | mAllocatedRollbackIds.put(rollback.info.getRollbackId(), true); |
| 170 | } |
| 171 | } else { |
| 172 | // Delete rollbacks when build fingerprint has changed. |
| 173 | for (Rollback rollback : mRollbacks) { |
| 174 | rollback.delete(mAppDataRollbackHelper); |
| 175 | } |
| 176 | mRollbacks.clear(); |
Richard Uhler | 74ee299 | 2019-07-01 15:21:44 +0100 | [diff] [blame] | 177 | } |
| 178 | } |
| 179 | |
| 180 | // Kick off and start monitoring the handler thread. |
| 181 | mHandlerThread = new HandlerThread("RollbackManagerServiceHandler"); |
| 182 | mHandlerThread.start(); |
| 183 | Watchdog.getInstance().addThread(getHandler(), HANDLER_THREAD_TIMEOUT_DURATION_MILLIS); |
JW Wang | c63c1da | 2020-01-15 15:44:25 +0800 | [diff] [blame] | 184 | mExecutor = new HandlerExecutor(getHandler()); |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 185 | |
Richard Uhler | 82913b7 | 2019-04-01 13:02:31 +0100 | [diff] [blame] | 186 | for (UserInfo userInfo : UserManager.get(mContext).getUsers(true)) { |
| 187 | registerUserCallbacks(userInfo.getUserHandle()); |
| 188 | } |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 189 | |
| 190 | IntentFilter enableRollbackFilter = new IntentFilter(); |
| 191 | enableRollbackFilter.addAction(Intent.ACTION_PACKAGE_ENABLE_ROLLBACK); |
| 192 | try { |
| 193 | enableRollbackFilter.addDataType("application/vnd.android.package-archive"); |
| 194 | } catch (IntentFilter.MalformedMimeTypeException e) { |
shafik | bb771fb | 2019-06-05 14:59:57 +0100 | [diff] [blame] | 195 | Slog.e(TAG, "addDataType", e); |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 196 | } |
| 197 | |
| 198 | mContext.registerReceiver(new BroadcastReceiver() { |
| 199 | @Override |
| 200 | public void onReceive(Context context, Intent intent) { |
| 201 | if (Intent.ACTION_PACKAGE_ENABLE_ROLLBACK.equals(intent.getAction())) { |
| 202 | int token = intent.getIntExtra( |
| 203 | PackageManagerInternal.EXTRA_ENABLE_ROLLBACK_TOKEN, -1); |
JW Wang | 635382e | 2020-02-17 16:30:52 +0800 | [diff] [blame] | 204 | int sessionId = intent.getIntExtra( |
| 205 | PackageManagerInternal.EXTRA_ENABLE_ROLLBACK_SESSION_ID, -1); |
Richard Uhler | 82913b7 | 2019-04-01 13:02:31 +0100 | [diff] [blame] | 206 | |
JW Wang | fab29c6 | 2019-11-19 16:17:41 +0800 | [diff] [blame] | 207 | queueSleepIfNeeded(); |
| 208 | |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 209 | getHandler().post(() -> { |
JW Wang | 298239b | 2020-02-17 17:08:02 +0800 | [diff] [blame] | 210 | boolean success = enableRollback(sessionId); |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 211 | int ret = PackageManagerInternal.ENABLE_ROLLBACK_SUCCEEDED; |
| 212 | if (!success) { |
| 213 | ret = PackageManagerInternal.ENABLE_ROLLBACK_FAILED; |
| 214 | } |
| 215 | |
| 216 | PackageManagerInternal pm = LocalServices.getService( |
| 217 | PackageManagerInternal.class); |
| 218 | pm.setEnableRollbackCode(token, ret); |
| 219 | }); |
| 220 | |
| 221 | // We're handling the ordered broadcast. Abort the |
| 222 | // broadcast because there is no need for it to go to |
| 223 | // anyone else. |
| 224 | abortBroadcast(); |
| 225 | } |
| 226 | } |
| 227 | }, enableRollbackFilter, null, getHandler()); |
shafik | da5e4ee | 2019-02-12 16:29:01 +0000 | [diff] [blame] | 228 | |
shafik | 4831ad7 | 2019-05-03 17:36:42 +0100 | [diff] [blame] | 229 | IntentFilter enableRollbackTimedOutFilter = new IntentFilter(); |
| 230 | enableRollbackTimedOutFilter.addAction(Intent.ACTION_CANCEL_ENABLE_ROLLBACK); |
| 231 | |
| 232 | mContext.registerReceiver(new BroadcastReceiver() { |
| 233 | @Override |
| 234 | public void onReceive(Context context, Intent intent) { |
| 235 | if (Intent.ACTION_CANCEL_ENABLE_ROLLBACK.equals(intent.getAction())) { |
JW Wang | 635382e | 2020-02-17 16:30:52 +0800 | [diff] [blame] | 236 | int sessionId = intent.getIntExtra( |
| 237 | PackageManagerInternal.EXTRA_ENABLE_ROLLBACK_SESSION_ID, -1); |
JW Wang | 12d0c3e | 2019-12-02 21:01:35 +0800 | [diff] [blame] | 238 | if (LOCAL_LOGV) { |
JW Wang | 298239b | 2020-02-17 17:08:02 +0800 | [diff] [blame] | 239 | Slog.v(TAG, "broadcast=ACTION_CANCEL_ENABLE_ROLLBACK id=" + sessionId); |
JW Wang | 12d0c3e | 2019-12-02 21:01:35 +0800 | [diff] [blame] | 240 | } |
shafik | 4831ad7 | 2019-05-03 17:36:42 +0100 | [diff] [blame] | 241 | synchronized (mLock) { |
JW Wang | 635382e | 2020-02-17 16:30:52 +0800 | [diff] [blame] | 242 | Rollback rollback = getRollbackForSessionLocked(sessionId); |
| 243 | if (rollback != null && rollback.isEnabling()) { |
| 244 | mRollbacks.remove(rollback); |
| 245 | rollback.delete(mAppDataRollbackHelper); |
shafik | 4831ad7 | 2019-05-03 17:36:42 +0100 | [diff] [blame] | 246 | } |
| 247 | } |
| 248 | } |
| 249 | } |
| 250 | }, enableRollbackTimedOutFilter, null, getHandler()); |
| 251 | |
shafik | 8aea1ad | 2019-05-21 12:34:50 +0100 | [diff] [blame] | 252 | IntentFilter userAddedIntentFilter = new IntentFilter(Intent.ACTION_USER_ADDED); |
| 253 | mContext.registerReceiver(new BroadcastReceiver() { |
| 254 | @Override |
| 255 | public void onReceive(Context context, Intent intent) { |
| 256 | if (Intent.ACTION_USER_ADDED.equals(intent.getAction())) { |
| 257 | final int newUserId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, -1); |
| 258 | if (newUserId == -1) { |
| 259 | return; |
| 260 | } |
| 261 | registerUserCallbacks(UserHandle.of(newUserId)); |
| 262 | } |
| 263 | } |
| 264 | }, userAddedIntentFilter, null, getHandler()); |
| 265 | |
shafik | da5e4ee | 2019-02-12 16:29:01 +0000 | [diff] [blame] | 266 | registerTimeChangeReceiver(); |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 267 | } |
| 268 | |
JW Wang | 53e89c9 | 2019-11-28 19:53:45 +0800 | [diff] [blame] | 269 | @AnyThread |
Richard Uhler | 82913b7 | 2019-04-01 13:02:31 +0100 | [diff] [blame] | 270 | private void registerUserCallbacks(UserHandle user) { |
| 271 | Context context = getContextAsUser(user); |
| 272 | if (context == null) { |
shafik | bb771fb | 2019-06-05 14:59:57 +0100 | [diff] [blame] | 273 | Slog.e(TAG, "Unable to register user callbacks for user " + user); |
Richard Uhler | 82913b7 | 2019-04-01 13:02:31 +0100 | [diff] [blame] | 274 | return; |
| 275 | } |
| 276 | |
Richard Uhler | 82913b7 | 2019-04-01 13:02:31 +0100 | [diff] [blame] | 277 | context.getPackageManager().getPackageInstaller() |
| 278 | .registerSessionCallback(new SessionCallback(), getHandler()); |
| 279 | |
| 280 | IntentFilter filter = new IntentFilter(); |
| 281 | filter.addAction(Intent.ACTION_PACKAGE_REPLACED); |
| 282 | filter.addAction(Intent.ACTION_PACKAGE_FULLY_REMOVED); |
| 283 | filter.addDataScheme("package"); |
| 284 | context.registerReceiver(new BroadcastReceiver() { |
| 285 | @Override |
| 286 | public void onReceive(Context context, Intent intent) { |
| 287 | String action = intent.getAction(); |
| 288 | if (Intent.ACTION_PACKAGE_REPLACED.equals(action)) { |
| 289 | String packageName = intent.getData().getSchemeSpecificPart(); |
JW Wang | 12d0c3e | 2019-12-02 21:01:35 +0800 | [diff] [blame] | 290 | if (LOCAL_LOGV) { |
| 291 | Slog.v(TAG, "broadcast=ACTION_PACKAGE_REPLACED" + " pkg=" + packageName); |
| 292 | } |
Richard Uhler | 82913b7 | 2019-04-01 13:02:31 +0100 | [diff] [blame] | 293 | onPackageReplaced(packageName); |
| 294 | } |
| 295 | if (Intent.ACTION_PACKAGE_FULLY_REMOVED.equals(action)) { |
| 296 | String packageName = intent.getData().getSchemeSpecificPart(); |
JW Wang | 12d0c3e | 2019-12-02 21:01:35 +0800 | [diff] [blame] | 297 | if (LOCAL_LOGV) { |
| 298 | Slog.v(TAG, "broadcast=ACTION_PACKAGE_FULLY_REMOVED" |
| 299 | + " pkg=" + packageName); |
| 300 | } |
Richard Uhler | 82913b7 | 2019-04-01 13:02:31 +0100 | [diff] [blame] | 301 | onPackageFullyRemoved(packageName); |
| 302 | } |
| 303 | } |
| 304 | }, filter, null, getHandler()); |
| 305 | } |
| 306 | |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 307 | @Override |
Richard Uhler | 150ad98 | 2019-01-23 15:16:10 +0000 | [diff] [blame] | 308 | public ParceledListSlice getAvailableRollbacks() { |
Richard Uhler | 1fc10c1 | 2019-03-18 11:38:46 +0000 | [diff] [blame] | 309 | enforceManageRollbacks("getAvailableRollbacks"); |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 310 | synchronized (mLock) { |
Richard Uhler | 150ad98 | 2019-01-23 15:16:10 +0000 | [diff] [blame] | 311 | List<RollbackInfo> rollbacks = new ArrayList<>(); |
Richard Uhler | 6f8a33b | 2019-02-26 10:40:36 +0000 | [diff] [blame] | 312 | for (int i = 0; i < mRollbacks.size(); ++i) { |
Richard Uhler | 8d512ee | 2019-07-19 14:55:01 +0100 | [diff] [blame] | 313 | Rollback rollback = mRollbacks.get(i); |
Oli Lan | 4af2f75 | 2019-09-27 10:39:32 +0100 | [diff] [blame] | 314 | if (rollback.isAvailable()) { |
| 315 | rollbacks.add(rollback.info); |
Richard Uhler | 60ac706 | 2019-02-05 13:25:39 +0000 | [diff] [blame] | 316 | } |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 317 | } |
Richard Uhler | 150ad98 | 2019-01-23 15:16:10 +0000 | [diff] [blame] | 318 | return new ParceledListSlice<>(rollbacks); |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 319 | } |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 320 | } |
| 321 | |
| 322 | @Override |
Richard Uhler | f498dab | 2019-06-28 10:55:45 +0100 | [diff] [blame] | 323 | public ParceledListSlice<RollbackInfo> getRecentlyCommittedRollbacks() { |
Richard Uhler | 1fc10c1 | 2019-03-18 11:38:46 +0000 | [diff] [blame] | 324 | enforceManageRollbacks("getRecentlyCommittedRollbacks"); |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 325 | |
| 326 | synchronized (mLock) { |
Richard Uhler | 6f8a33b | 2019-02-26 10:40:36 +0000 | [diff] [blame] | 327 | List<RollbackInfo> rollbacks = new ArrayList<>(); |
| 328 | for (int i = 0; i < mRollbacks.size(); ++i) { |
Richard Uhler | 8d512ee | 2019-07-19 14:55:01 +0100 | [diff] [blame] | 329 | Rollback rollback = mRollbacks.get(i); |
Oli Lan | 4af2f75 | 2019-09-27 10:39:32 +0100 | [diff] [blame] | 330 | if (rollback.isCommitted()) { |
| 331 | rollbacks.add(rollback.info); |
Richard Uhler | 6f8a33b | 2019-02-26 10:40:36 +0000 | [diff] [blame] | 332 | } |
| 333 | } |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 334 | return new ParceledListSlice<>(rollbacks); |
| 335 | } |
| 336 | } |
| 337 | |
| 338 | @Override |
Richard Uhler | bf5b5c4 | 2019-01-28 15:26:37 +0000 | [diff] [blame] | 339 | public void commitRollback(int rollbackId, ParceledListSlice causePackages, |
| 340 | String callerPackageName, IntentSender statusReceiver) { |
Richard Uhler | f498dab | 2019-06-28 10:55:45 +0100 | [diff] [blame] | 341 | enforceManageRollbacks("commitRollback"); |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 342 | |
| 343 | final int callingUid = Binder.getCallingUid(); |
| 344 | AppOpsManager appOps = mContext.getSystemService(AppOpsManager.class); |
| 345 | appOps.checkPackage(callingUid, callerPackageName); |
| 346 | |
| 347 | getHandler().post(() -> |
Richard Uhler | bf5b5c4 | 2019-01-28 15:26:37 +0000 | [diff] [blame] | 348 | commitRollbackInternal(rollbackId, causePackages.getList(), |
| 349 | callerPackageName, statusReceiver)); |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 350 | } |
| 351 | |
JW Wang | 53e89c9 | 2019-11-28 19:53:45 +0800 | [diff] [blame] | 352 | @AnyThread |
shafik | da5e4ee | 2019-02-12 16:29:01 +0000 | [diff] [blame] | 353 | private void registerTimeChangeReceiver() { |
| 354 | final BroadcastReceiver timeChangeIntentReceiver = new BroadcastReceiver() { |
| 355 | @Override |
| 356 | public void onReceive(Context context, Intent intent) { |
| 357 | final long oldRelativeBootTime = mRelativeBootTime; |
| 358 | mRelativeBootTime = calculateRelativeBootTime(); |
| 359 | final long timeDifference = mRelativeBootTime - oldRelativeBootTime; |
| 360 | |
| 361 | synchronized (mLock) { |
Richard Uhler | 8d512ee | 2019-07-19 14:55:01 +0100 | [diff] [blame] | 362 | Iterator<Rollback> iter = mRollbacks.iterator(); |
shafik | da5e4ee | 2019-02-12 16:29:01 +0000 | [diff] [blame] | 363 | while (iter.hasNext()) { |
Richard Uhler | 8d512ee | 2019-07-19 14:55:01 +0100 | [diff] [blame] | 364 | Rollback rollback = iter.next(); |
Oli Lan | 4af2f75 | 2019-09-27 10:39:32 +0100 | [diff] [blame] | 365 | rollback.setTimestamp( |
| 366 | rollback.getTimestamp().plusMillis(timeDifference)); |
shafik | da5e4ee | 2019-02-12 16:29:01 +0000 | [diff] [blame] | 367 | } |
shafik | da5e4ee | 2019-02-12 16:29:01 +0000 | [diff] [blame] | 368 | } |
| 369 | } |
| 370 | }; |
| 371 | final IntentFilter filter = new IntentFilter(); |
| 372 | filter.addAction(Intent.ACTION_TIME_CHANGED); |
| 373 | mContext.registerReceiver(timeChangeIntentReceiver, filter, |
| 374 | null /* broadcastPermission */, getHandler()); |
| 375 | } |
| 376 | |
JW Wang | 53e89c9 | 2019-11-28 19:53:45 +0800 | [diff] [blame] | 377 | @AnyThread |
shafik | da5e4ee | 2019-02-12 16:29:01 +0000 | [diff] [blame] | 378 | private static long calculateRelativeBootTime() { |
| 379 | return System.currentTimeMillis() - SystemClock.elapsedRealtime(); |
| 380 | } |
| 381 | |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 382 | /** |
Richard Uhler | e87368e | 2019-01-24 16:34:14 +0000 | [diff] [blame] | 383 | * Performs the actual work to commit a rollback. |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 384 | * The work is done on the current thread. This may be a long running |
| 385 | * operation. |
| 386 | */ |
JW Wang | 53e89c9 | 2019-11-28 19:53:45 +0800 | [diff] [blame] | 387 | @WorkerThread |
Richard Uhler | bf5b5c4 | 2019-01-28 15:26:37 +0000 | [diff] [blame] | 388 | private void commitRollbackInternal(int rollbackId, List<VersionedPackage> causePackages, |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 389 | String callerPackageName, IntentSender statusReceiver) { |
JW Wang | 12d0c3e | 2019-12-02 21:01:35 +0800 | [diff] [blame] | 390 | Slog.i(TAG, "commitRollback id=" + rollbackId + " caller=" + callerPackageName); |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 391 | |
Richard Uhler | 8d512ee | 2019-07-19 14:55:01 +0100 | [diff] [blame] | 392 | Rollback rollback = getRollbackForId(rollbackId); |
Oli Lan | 8c0084d | 2019-09-11 13:38:43 +0100 | [diff] [blame] | 393 | if (rollback == null) { |
Oli Lan | 7363a62 | 2019-09-13 10:06:12 +0100 | [diff] [blame] | 394 | sendFailure( |
| 395 | mContext, statusReceiver, RollbackManager.STATUS_FAILURE_ROLLBACK_UNAVAILABLE, |
Richard Uhler | 2a48c29 | 2019-01-28 17:33:48 +0000 | [diff] [blame] | 396 | "Rollback unavailable"); |
Narayan Kamath | bc36f8d | 2019-01-23 12:00:08 +0000 | [diff] [blame] | 397 | return; |
| 398 | } |
Oli Lan | 4af2f75 | 2019-09-27 10:39:32 +0100 | [diff] [blame] | 399 | rollback.commit(mContext, causePackages, callerPackageName, statusReceiver); |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 400 | } |
| 401 | |
| 402 | @Override |
| 403 | public void reloadPersistedData() { |
| 404 | mContext.enforceCallingOrSelfPermission( |
Richard Uhler | 1fc10c1 | 2019-03-18 11:38:46 +0000 | [diff] [blame] | 405 | Manifest.permission.TEST_MANAGE_ROLLBACKS, |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 406 | "reloadPersistedData"); |
| 407 | |
Richard Uhler | 74ee299 | 2019-07-01 15:21:44 +0100 | [diff] [blame] | 408 | CountDownLatch latch = new CountDownLatch(1); |
shafik | 6d61f5e | 2019-02-26 09:33:26 +0000 | [diff] [blame] | 409 | getHandler().post(() -> { |
Richard Uhler | 74ee299 | 2019-07-01 15:21:44 +0100 | [diff] [blame] | 410 | synchronized (mLock) { |
| 411 | mRollbacks.clear(); |
Richard Uhler | 8d512ee | 2019-07-19 14:55:01 +0100 | [diff] [blame] | 412 | mRollbacks.addAll(mRollbackStore.loadRollbacks()); |
Richard Uhler | 74ee299 | 2019-07-01 15:21:44 +0100 | [diff] [blame] | 413 | } |
| 414 | latch.countDown(); |
shafik | 6d61f5e | 2019-02-26 09:33:26 +0000 | [diff] [blame] | 415 | }); |
Richard Uhler | 74ee299 | 2019-07-01 15:21:44 +0100 | [diff] [blame] | 416 | |
| 417 | try { |
| 418 | latch.await(); |
| 419 | } catch (InterruptedException ie) { |
| 420 | throw new IllegalStateException("RollbackManagerHandlerThread interrupted"); |
| 421 | } |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 422 | } |
| 423 | |
| 424 | @Override |
| 425 | public void expireRollbackForPackage(String packageName) { |
| 426 | mContext.enforceCallingOrSelfPermission( |
Richard Uhler | 1fc10c1 | 2019-03-18 11:38:46 +0000 | [diff] [blame] | 427 | Manifest.permission.TEST_MANAGE_ROLLBACKS, |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 428 | "expireRollbackForPackage"); |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 429 | synchronized (mLock) { |
Richard Uhler | 8d512ee | 2019-07-19 14:55:01 +0100 | [diff] [blame] | 430 | Iterator<Rollback> iter = mRollbacks.iterator(); |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 431 | while (iter.hasNext()) { |
Richard Uhler | 8d512ee | 2019-07-19 14:55:01 +0100 | [diff] [blame] | 432 | Rollback rollback = iter.next(); |
Oli Lan | 4af2f75 | 2019-09-27 10:39:32 +0100 | [diff] [blame] | 433 | if (rollback.includesPackage(packageName)) { |
| 434 | iter.remove(); |
| 435 | rollback.delete(mAppDataRollbackHelper); |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 436 | } |
| 437 | } |
| 438 | } |
| 439 | } |
| 440 | |
Richard Uhler | 798b859 | 2019-06-07 14:04:43 +0100 | [diff] [blame] | 441 | @Override |
| 442 | public void blockRollbackManager(long millis) { |
| 443 | mContext.enforceCallingOrSelfPermission( |
| 444 | Manifest.permission.TEST_MANAGE_ROLLBACKS, |
| 445 | "blockRollbackManager"); |
| 446 | getHandler().post(() -> { |
JW Wang | fab29c6 | 2019-11-19 16:17:41 +0800 | [diff] [blame] | 447 | mSleepDuration.addLast(millis); |
| 448 | }); |
| 449 | } |
| 450 | |
JW Wang | 53e89c9 | 2019-11-28 19:53:45 +0800 | [diff] [blame] | 451 | @WorkerThread |
JW Wang | fab29c6 | 2019-11-19 16:17:41 +0800 | [diff] [blame] | 452 | private void queueSleepIfNeeded() { |
| 453 | if (mSleepDuration.size() == 0) { |
| 454 | return; |
| 455 | } |
| 456 | long millis = mSleepDuration.removeFirst(); |
| 457 | if (millis <= 0) { |
| 458 | return; |
| 459 | } |
| 460 | getHandler().post(() -> { |
Richard Uhler | 798b859 | 2019-06-07 14:04:43 +0100 | [diff] [blame] | 461 | try { |
| 462 | Thread.sleep(millis); |
| 463 | } catch (InterruptedException e) { |
Richard Uhler | 74ee299 | 2019-07-01 15:21:44 +0100 | [diff] [blame] | 464 | throw new IllegalStateException("RollbackManagerHandlerThread interrupted"); |
Richard Uhler | 798b859 | 2019-06-07 14:04:43 +0100 | [diff] [blame] | 465 | } |
| 466 | }); |
| 467 | } |
| 468 | |
Narayan Kamath | c034fe9 | 2019-01-23 10:48:17 +0000 | [diff] [blame] | 469 | void onUnlockUser(int userId) { |
JW Wang | 12d0c3e | 2019-12-02 21:01:35 +0800 | [diff] [blame] | 470 | if (LOCAL_LOGV) { |
| 471 | Slog.v(TAG, "onUnlockUser id=" + userId); |
| 472 | } |
Gavin Corkery | f115451 | 2019-09-05 11:48:55 +0100 | [diff] [blame] | 473 | // In order to ensure that no package begins running while a backup or restore is taking |
| 474 | // place, onUnlockUser must remain blocked until all pending backups and restores have |
| 475 | // completed. |
| 476 | CountDownLatch latch = new CountDownLatch(1); |
Narayan Kamath | c034fe9 | 2019-01-23 10:48:17 +0000 | [diff] [blame] | 477 | getHandler().post(() -> { |
Richard Uhler | 8d512ee | 2019-07-19 14:55:01 +0100 | [diff] [blame] | 478 | final List<Rollback> rollbacks; |
Narayan Kamath | c034fe9 | 2019-01-23 10:48:17 +0000 | [diff] [blame] | 479 | synchronized (mLock) { |
Richard Uhler | 6f8a33b | 2019-02-26 10:40:36 +0000 | [diff] [blame] | 480 | rollbacks = new ArrayList<>(mRollbacks); |
Narayan Kamath | c034fe9 | 2019-01-23 10:48:17 +0000 | [diff] [blame] | 481 | } |
| 482 | |
Oli Lan | 31f453f | 2019-09-11 09:58:39 +0100 | [diff] [blame] | 483 | for (int i = 0; i < rollbacks.size(); i++) { |
| 484 | Rollback rollback = rollbacks.get(i); |
Oli Lan | 4af2f75 | 2019-09-27 10:39:32 +0100 | [diff] [blame] | 485 | rollback.commitPendingBackupAndRestoreForUser(userId, mAppDataRollbackHelper); |
Narayan Kamath | c034fe9 | 2019-01-23 10:48:17 +0000 | [diff] [blame] | 486 | } |
Oli Lan | 31f453f | 2019-09-11 09:58:39 +0100 | [diff] [blame] | 487 | |
Gavin Corkery | f115451 | 2019-09-05 11:48:55 +0100 | [diff] [blame] | 488 | latch.countDown(); |
Oli Lan | 592cd9d | 2020-03-05 12:08:42 +0000 | [diff] [blame] | 489 | |
| 490 | destroyCeSnapshotsForExpiredRollbacks(userId); |
Narayan Kamath | c034fe9 | 2019-01-23 10:48:17 +0000 | [diff] [blame] | 491 | }); |
Gavin Corkery | f115451 | 2019-09-05 11:48:55 +0100 | [diff] [blame] | 492 | |
| 493 | try { |
| 494 | latch.await(); |
| 495 | } catch (InterruptedException ie) { |
| 496 | throw new IllegalStateException("RollbackManagerHandlerThread interrupted"); |
| 497 | } |
Narayan Kamath | c034fe9 | 2019-01-23 10:48:17 +0000 | [diff] [blame] | 498 | } |
| 499 | |
JW Wang | 53e89c9 | 2019-11-28 19:53:45 +0800 | [diff] [blame] | 500 | @WorkerThread |
Oli Lan | 592cd9d | 2020-03-05 12:08:42 +0000 | [diff] [blame] | 501 | private void destroyCeSnapshotsForExpiredRollbacks(int userId) { |
| 502 | int[] rollbackIds = new int[mRollbacks.size()]; |
| 503 | for (int i = 0; i < rollbackIds.length; i++) { |
| 504 | rollbackIds[i] = mRollbacks.get(i).info.getRollbackId(); |
| 505 | } |
| 506 | ApexManager.getInstance().destroyCeSnapshotsNotSpecified(userId, rollbackIds); |
| 507 | } |
| 508 | |
| 509 | @WorkerThread |
shafik | 0ad18b8 | 2019-01-24 16:27:24 +0000 | [diff] [blame] | 510 | private void updateRollbackLifetimeDurationInMillis() { |
Stanislav Zholnin | 6b85dac | 2019-03-07 12:16:04 +0000 | [diff] [blame] | 511 | mRollbackLifetimeDurationInMillis = DeviceConfig.getLong( |
Matt Pape | 12187ae | 2019-03-14 13:37:32 -0700 | [diff] [blame] | 512 | DeviceConfig.NAMESPACE_ROLLBACK_BOOT, |
| 513 | RollbackManager.PROPERTY_ROLLBACK_LIFETIME_MILLIS, |
Stanislav Zholnin | 6b85dac | 2019-03-07 12:16:04 +0000 | [diff] [blame] | 514 | DEFAULT_ROLLBACK_LIFETIME_DURATION_MILLIS); |
shafik | 15c511f | 2019-03-08 11:52:08 +0000 | [diff] [blame] | 515 | if (mRollbackLifetimeDurationInMillis < 0) { |
| 516 | mRollbackLifetimeDurationInMillis = DEFAULT_ROLLBACK_LIFETIME_DURATION_MILLIS; |
| 517 | } |
shafik | 0ad18b8 | 2019-01-24 16:27:24 +0000 | [diff] [blame] | 518 | } |
| 519 | |
JW Wang | 53e89c9 | 2019-11-28 19:53:45 +0800 | [diff] [blame] | 520 | @AnyThread |
Richard Uhler | b2c5cac | 2019-02-05 16:14:35 +0000 | [diff] [blame] | 521 | void onBootCompleted() { |
JW Wang | c63c1da | 2020-01-15 15:44:25 +0800 | [diff] [blame] | 522 | DeviceConfig.addOnPropertiesChangedListener(DeviceConfig.NAMESPACE_ROLLBACK_BOOT, |
| 523 | mExecutor, properties -> updateRollbackLifetimeDurationInMillis()); |
shafik | 0ad18b8 | 2019-01-24 16:27:24 +0000 | [diff] [blame] | 524 | |
Richard Uhler | b2c5cac | 2019-02-05 16:14:35 +0000 | [diff] [blame] | 525 | getHandler().post(() -> { |
JW Wang | 3a85019 | 2020-01-15 15:30:49 +0800 | [diff] [blame] | 526 | updateRollbackLifetimeDurationInMillis(); |
| 527 | runExpiration(); |
| 528 | |
Richard Uhler | 6f8a33b | 2019-02-26 10:40:36 +0000 | [diff] [blame] | 529 | // Check to see if any rollback-enabled staged sessions or staged |
| 530 | // rollback sessions been applied. |
Richard Uhler | 8d512ee | 2019-07-19 14:55:01 +0100 | [diff] [blame] | 531 | List<Rollback> enabling = new ArrayList<>(); |
| 532 | List<Rollback> restoreInProgress = new ArrayList<>(); |
Richard Uhler | 1924d6d | 2019-04-26 10:20:12 +0100 | [diff] [blame] | 533 | Set<String> apexPackageNames = new HashSet<>(); |
Richard Uhler | b2c5cac | 2019-02-05 16:14:35 +0000 | [diff] [blame] | 534 | synchronized (mLock) { |
JW Wang | a4ce433 | 2019-10-29 21:26:03 +0800 | [diff] [blame] | 535 | Iterator<Rollback> iter = mRollbacks.iterator(); |
| 536 | while (iter.hasNext()) { |
| 537 | Rollback rollback = iter.next(); |
| 538 | if (!rollback.isStaged()) { |
| 539 | // We only care about staged rollbacks here |
| 540 | continue; |
| 541 | } |
| 542 | |
| 543 | PackageInstaller.SessionInfo session = mContext.getPackageManager() |
| 544 | .getPackageInstaller().getSessionInfo(rollback.getStagedSessionId()); |
| 545 | if (session == null || session.isStagedSessionFailed()) { |
| 546 | iter.remove(); |
| 547 | rollback.delete(mAppDataRollbackHelper); |
| 548 | continue; |
| 549 | } |
| 550 | |
| 551 | if (session.isStagedSessionApplied()) { |
Oli Lan | 4af2f75 | 2019-09-27 10:39:32 +0100 | [diff] [blame] | 552 | if (rollback.isEnabling()) { |
| 553 | enabling.add(rollback); |
| 554 | } else if (rollback.isRestoreUserDataInProgress()) { |
| 555 | restoreInProgress.add(rollback); |
Richard Uhler | 1924d6d | 2019-04-26 10:20:12 +0100 | [diff] [blame] | 556 | } |
Richard Uhler | b2c5cac | 2019-02-05 16:14:35 +0000 | [diff] [blame] | 557 | } |
JW Wang | a4ce433 | 2019-10-29 21:26:03 +0800 | [diff] [blame] | 558 | apexPackageNames.addAll(rollback.getApexPackageNames()); |
Richard Uhler | b2c5cac | 2019-02-05 16:14:35 +0000 | [diff] [blame] | 559 | } |
| 560 | } |
| 561 | |
Richard Uhler | 8d512ee | 2019-07-19 14:55:01 +0100 | [diff] [blame] | 562 | for (Rollback rollback : enabling) { |
JW Wang | a4ce433 | 2019-10-29 21:26:03 +0800 | [diff] [blame] | 563 | makeRollbackAvailable(rollback); |
Richard Uhler | b2c5cac | 2019-02-05 16:14:35 +0000 | [diff] [blame] | 564 | } |
Richard Uhler | 6f8a33b | 2019-02-26 10:40:36 +0000 | [diff] [blame] | 565 | |
Richard Uhler | 8d512ee | 2019-07-19 14:55:01 +0100 | [diff] [blame] | 566 | for (Rollback rollback : restoreInProgress) { |
JW Wang | a4ce433 | 2019-10-29 21:26:03 +0800 | [diff] [blame] | 567 | rollback.setRestoreUserDataInProgress(false); |
Richard Uhler | 6f8a33b | 2019-02-26 10:40:36 +0000 | [diff] [blame] | 568 | } |
Zimuzo | 841c494 | 2019-03-04 12:31:48 +0000 | [diff] [blame] | 569 | |
Richard Uhler | 1924d6d | 2019-04-26 10:20:12 +0100 | [diff] [blame] | 570 | for (String apexPackageName : apexPackageNames) { |
| 571 | // We will not recieve notifications when an apex is updated, |
| 572 | // so check now in case any rollbacks ought to be expired. The |
| 573 | // onPackagedReplace function is safe to call if the package |
| 574 | // hasn't actually been updated. |
| 575 | onPackageReplaced(apexPackageName); |
| 576 | } |
Oli Lan | 0bf4486 | 2019-08-29 14:25:38 +0100 | [diff] [blame] | 577 | |
| 578 | synchronized (mLock) { |
| 579 | mOrphanedApkSessionIds.clear(); |
| 580 | } |
| 581 | |
shafik | c5805fb9 | 2019-04-29 20:08:07 +0100 | [diff] [blame] | 582 | mPackageHealthObserver.onBootCompletedAsync(); |
Richard Uhler | b2c5cac | 2019-02-05 16:14:35 +0000 | [diff] [blame] | 583 | }); |
| 584 | } |
| 585 | |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 586 | /** |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 587 | * Called when a package has been replaced with a different version. |
| 588 | * Removes all backups for the package not matching the currently |
| 589 | * installed package version. |
| 590 | */ |
JW Wang | 53e89c9 | 2019-11-28 19:53:45 +0800 | [diff] [blame] | 591 | @WorkerThread |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 592 | private void onPackageReplaced(String packageName) { |
| 593 | // TODO: Could this end up incorrectly deleting a rollback for a |
| 594 | // package that is about to be installed? |
Oli Lan | 3143ee3 | 2019-09-18 17:07:21 +0100 | [diff] [blame] | 595 | long installedVersion = getInstalledPackageVersion(packageName); |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 596 | |
| 597 | synchronized (mLock) { |
Richard Uhler | 8d512ee | 2019-07-19 14:55:01 +0100 | [diff] [blame] | 598 | Iterator<Rollback> iter = mRollbacks.iterator(); |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 599 | while (iter.hasNext()) { |
Richard Uhler | 8d512ee | 2019-07-19 14:55:01 +0100 | [diff] [blame] | 600 | Rollback rollback = iter.next(); |
Oli Lan | 4af2f75 | 2019-09-27 10:39:32 +0100 | [diff] [blame] | 601 | // TODO: Should we remove rollbacks in the ENABLING state here? |
| 602 | if ((rollback.isEnabling() || rollback.isAvailable()) |
| 603 | && rollback.includesPackageWithDifferentVersion(packageName, |
| 604 | installedVersion)) { |
| 605 | iter.remove(); |
| 606 | rollback.delete(mAppDataRollbackHelper); |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 607 | } |
| 608 | } |
| 609 | } |
| 610 | } |
| 611 | |
| 612 | /** |
| 613 | * Called when a package has been completely removed from the device. |
| 614 | * Removes all backups and rollback history for the given package. |
| 615 | */ |
JW Wang | 53e89c9 | 2019-11-28 19:53:45 +0800 | [diff] [blame] | 616 | @WorkerThread |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 617 | private void onPackageFullyRemoved(String packageName) { |
| 618 | expireRollbackForPackage(packageName); |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 619 | } |
| 620 | |
| 621 | /** |
| 622 | * Notifies an IntentSender of failure. |
| 623 | * |
| 624 | * @param statusReceiver where to send the failure |
Richard Uhler | 2a48c29 | 2019-01-28 17:33:48 +0000 | [diff] [blame] | 625 | * @param status the RollbackManager.STATUS_* code with the failure. |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 626 | * @param message the failure message. |
| 627 | */ |
JW Wang | 53e89c9 | 2019-11-28 19:53:45 +0800 | [diff] [blame] | 628 | @AnyThread |
Oli Lan | 7363a62 | 2019-09-13 10:06:12 +0100 | [diff] [blame] | 629 | static void sendFailure(Context context, IntentSender statusReceiver, |
| 630 | @RollbackManager.Status int status, String message) { |
shafik | bb771fb | 2019-06-05 14:59:57 +0100 | [diff] [blame] | 631 | Slog.e(TAG, message); |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 632 | try { |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 633 | final Intent fillIn = new Intent(); |
Richard Uhler | 2a48c29 | 2019-01-28 17:33:48 +0000 | [diff] [blame] | 634 | fillIn.putExtra(RollbackManager.EXTRA_STATUS, status); |
| 635 | fillIn.putExtra(RollbackManager.EXTRA_STATUS_MESSAGE, message); |
Oli Lan | 7363a62 | 2019-09-13 10:06:12 +0100 | [diff] [blame] | 636 | statusReceiver.sendIntent(context, 0, fillIn, null, null); |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 637 | } catch (IntentSender.SendIntentException e) { |
| 638 | // Nowhere to send the result back to, so don't bother. |
| 639 | } |
| 640 | } |
| 641 | |
| 642 | // Check to see if anything needs expiration, and if so, expire it. |
| 643 | // Schedules future expiration as appropriate. |
JW Wang | 53e89c9 | 2019-11-28 19:53:45 +0800 | [diff] [blame] | 644 | @WorkerThread |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 645 | private void runExpiration() { |
| 646 | Instant now = Instant.now(); |
| 647 | Instant oldest = null; |
| 648 | synchronized (mLock) { |
Richard Uhler | 8d512ee | 2019-07-19 14:55:01 +0100 | [diff] [blame] | 649 | Iterator<Rollback> iter = mRollbacks.iterator(); |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 650 | while (iter.hasNext()) { |
Richard Uhler | 8d512ee | 2019-07-19 14:55:01 +0100 | [diff] [blame] | 651 | Rollback rollback = iter.next(); |
Oli Lan | 4af2f75 | 2019-09-27 10:39:32 +0100 | [diff] [blame] | 652 | if (!rollback.isAvailable()) { |
| 653 | continue; |
| 654 | } |
| 655 | Instant rollbackTimestamp = rollback.getTimestamp(); |
| 656 | if (!now.isBefore( |
| 657 | rollbackTimestamp |
| 658 | .plusMillis(mRollbackLifetimeDurationInMillis))) { |
JW Wang | 12d0c3e | 2019-12-02 21:01:35 +0800 | [diff] [blame] | 659 | if (LOCAL_LOGV) { |
| 660 | Slog.v(TAG, "runExpiration id=" + rollback.info.getRollbackId()); |
| 661 | } |
Oli Lan | 4af2f75 | 2019-09-27 10:39:32 +0100 | [diff] [blame] | 662 | iter.remove(); |
| 663 | rollback.delete(mAppDataRollbackHelper); |
| 664 | } else if (oldest == null || oldest.isAfter(rollbackTimestamp)) { |
| 665 | oldest = rollbackTimestamp; |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 666 | } |
| 667 | } |
| 668 | } |
| 669 | |
| 670 | if (oldest != null) { |
shafik | 0ad18b8 | 2019-01-24 16:27:24 +0000 | [diff] [blame] | 671 | scheduleExpiration(now.until(oldest.plusMillis(mRollbackLifetimeDurationInMillis), |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 672 | ChronoUnit.MILLIS)); |
| 673 | } |
| 674 | } |
| 675 | |
| 676 | /** |
| 677 | * Schedules an expiration check to be run after the given duration in |
| 678 | * milliseconds has gone by. |
| 679 | */ |
JW Wang | 53e89c9 | 2019-11-28 19:53:45 +0800 | [diff] [blame] | 680 | @AnyThread |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 681 | private void scheduleExpiration(long duration) { |
| 682 | getHandler().postDelayed(() -> runExpiration(), duration); |
| 683 | } |
| 684 | |
JW Wang | 53e89c9 | 2019-11-28 19:53:45 +0800 | [diff] [blame] | 685 | @AnyThread |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 686 | private Handler getHandler() { |
| 687 | return mHandlerThread.getThreadHandler(); |
| 688 | } |
| 689 | |
JW Wang | 53e89c9 | 2019-11-28 19:53:45 +0800 | [diff] [blame] | 690 | @AnyThread |
Richard Uhler | 82913b7 | 2019-04-01 13:02:31 +0100 | [diff] [blame] | 691 | private Context getContextAsUser(UserHandle user) { |
| 692 | try { |
| 693 | return mContext.createPackageContextAsUser(mContext.getPackageName(), 0, user); |
| 694 | } catch (PackageManager.NameNotFoundException e) { |
| 695 | return null; |
| 696 | } |
| 697 | } |
| 698 | |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 699 | /** |
| 700 | * Called via broadcast by the package manager when a package is being |
| 701 | * staged for install with rollback enabled. Called before the package has |
| 702 | * been installed. |
| 703 | * |
JW Wang | 298239b | 2020-02-17 17:08:02 +0800 | [diff] [blame] | 704 | * @param sessionId the id of the install session |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 705 | * @return true if enabling the rollback succeeds, false otherwise. |
| 706 | */ |
JW Wang | 53e89c9 | 2019-11-28 19:53:45 +0800 | [diff] [blame] | 707 | @WorkerThread |
JW Wang | 298239b | 2020-02-17 17:08:02 +0800 | [diff] [blame] | 708 | private boolean enableRollback(int sessionId) { |
JW Wang | 12d0c3e | 2019-12-02 21:01:35 +0800 | [diff] [blame] | 709 | if (LOCAL_LOGV) { |
JW Wang | 298239b | 2020-02-17 17:08:02 +0800 | [diff] [blame] | 710 | Slog.v(TAG, "enableRollback sessionId=" + sessionId); |
JW Wang | 12d0c3e | 2019-12-02 21:01:35 +0800 | [diff] [blame] | 711 | } |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 712 | |
JW Wang | 635382e | 2020-02-17 16:30:52 +0800 | [diff] [blame] | 713 | PackageInstaller installer = mContext.getPackageManager().getPackageInstaller(); |
| 714 | PackageInstaller.SessionInfo packageSession = installer.getSessionInfo(sessionId); |
| 715 | if (packageSession == null) { |
| 716 | Slog.e(TAG, "Unable to find session for enabled rollback."); |
Richard Uhler | 82913b7 | 2019-04-01 13:02:31 +0100 | [diff] [blame] | 717 | return false; |
| 718 | } |
| 719 | |
JW Wang | 635382e | 2020-02-17 16:30:52 +0800 | [diff] [blame] | 720 | PackageInstaller.SessionInfo parentSession = packageSession.hasParentSessionId() |
| 721 | ? installer.getSessionInfo(packageSession.getParentSessionId()) : packageSession; |
| 722 | if (parentSession == null) { |
| 723 | Slog.e(TAG, "Unable to find parent session for enabled rollback."); |
Richard Uhler | 2d7c7f0d | 2019-01-04 09:18:21 +0000 | [diff] [blame] | 724 | return false; |
| 725 | } |
| 726 | |
Richard Uhler | ac0d0f9 | 2019-02-05 15:53:47 +0000 | [diff] [blame] | 727 | // Check to see if this is the apk session for a staged session with |
| 728 | // rollback enabled. |
Richard Uhler | ac0d0f9 | 2019-02-05 15:53:47 +0000 | [diff] [blame] | 729 | synchronized (mLock) { |
Richard Uhler | 6f8a33b | 2019-02-26 10:40:36 +0000 | [diff] [blame] | 730 | for (int i = 0; i < mRollbacks.size(); ++i) { |
Richard Uhler | 8d512ee | 2019-07-19 14:55:01 +0100 | [diff] [blame] | 731 | Rollback rollback = mRollbacks.get(i); |
Oli Lan | 4af2f75 | 2019-09-27 10:39:32 +0100 | [diff] [blame] | 732 | if (rollback.getApkSessionId() == parentSession.getSessionId()) { |
| 733 | // This is the apk session for a staged session with rollback enabled. We do |
| 734 | // not need to create a new rollback for this session. |
| 735 | return true; |
Richard Uhler | ac0d0f9 | 2019-02-05 15:53:47 +0000 | [diff] [blame] | 736 | } |
| 737 | } |
Richard Uhler | ac0d0f9 | 2019-02-05 15:53:47 +0000 | [diff] [blame] | 738 | } |
| 739 | |
Oli Lan | 0bf4486 | 2019-08-29 14:25:38 +0100 | [diff] [blame] | 740 | // Check to see if this is the apk session for a staged session for which rollback was |
| 741 | // cancelled. |
| 742 | synchronized (mLock) { |
| 743 | if (mOrphanedApkSessionIds.indexOf(parentSession.getSessionId()) != -1) { |
| 744 | Slog.w(TAG, "Not enabling rollback for apk as no matching staged session " |
| 745 | + "rollback exists"); |
| 746 | return false; |
| 747 | } |
| 748 | } |
| 749 | |
JW Wang | ab3064c | 2020-01-10 14:12:19 +0800 | [diff] [blame] | 750 | Rollback newRollback; |
Richard Uhler | 4756970 | 2019-05-02 12:36:39 +0100 | [diff] [blame] | 751 | synchronized (mLock) { |
JW Wang | 06650e7 | 2020-02-07 16:03:35 +0800 | [diff] [blame] | 752 | // See if we already have a Rollback that contains this package |
| 753 | // session. If not, create a new Rollback for the parent session |
Richard Uhler | 4756970 | 2019-05-02 12:36:39 +0100 | [diff] [blame] | 754 | // that we will use for all the packages in the session. |
JW Wang | 06650e7 | 2020-02-07 16:03:35 +0800 | [diff] [blame] | 755 | newRollback = getRollbackForSessionLocked(packageSession.getSessionId()); |
Richard Uhler | 4756970 | 2019-05-02 12:36:39 +0100 | [diff] [blame] | 756 | if (newRollback == null) { |
| 757 | newRollback = createNewRollbackLocked(parentSession); |
Richard Uhler | 4756970 | 2019-05-02 12:36:39 +0100 | [diff] [blame] | 758 | } |
| 759 | } |
| 760 | |
JW Wang | ab3064c | 2020-01-10 14:12:19 +0800 | [diff] [blame] | 761 | return enableRollbackForPackageSession(newRollback, packageSession); |
Richard Uhler | f0bdca5 | 2019-01-31 16:43:59 +0000 | [diff] [blame] | 762 | } |
| 763 | |
| 764 | /** |
| 765 | * Do code and userdata backups to enable rollback of the given session. |
| 766 | * In case of multiPackage sessions, <code>session</code> should be one of |
| 767 | * the child sessions, not the parent session. |
Richard Uhler | 4756970 | 2019-05-02 12:36:39 +0100 | [diff] [blame] | 768 | * |
| 769 | * @return true on success, false on failure. |
Richard Uhler | f0bdca5 | 2019-01-31 16:43:59 +0000 | [diff] [blame] | 770 | */ |
JW Wang | 53e89c9 | 2019-11-28 19:53:45 +0800 | [diff] [blame] | 771 | @WorkerThread |
Richard Uhler | 8d512ee | 2019-07-19 14:55:01 +0100 | [diff] [blame] | 772 | private boolean enableRollbackForPackageSession(Rollback rollback, |
Oli Lan | 48f3cf4 | 2019-08-09 10:25:49 +0100 | [diff] [blame] | 773 | PackageInstaller.SessionInfo session) { |
Richard Uhler | f0bdca5 | 2019-01-31 16:43:59 +0000 | [diff] [blame] | 774 | // TODO: Don't attempt to enable rollback for split installs. |
| 775 | final int installFlags = session.installFlags; |
| 776 | if ((installFlags & PackageManager.INSTALL_ENABLE_ROLLBACK) == 0) { |
shafik | bb771fb | 2019-06-05 14:59:57 +0100 | [diff] [blame] | 777 | Slog.e(TAG, "Rollback is not enabled."); |
Richard Uhler | f0bdca5 | 2019-01-31 16:43:59 +0000 | [diff] [blame] | 778 | return false; |
| 779 | } |
| 780 | if ((installFlags & PackageManager.INSTALL_INSTANT_APP) != 0) { |
shafik | bb771fb | 2019-06-05 14:59:57 +0100 | [diff] [blame] | 781 | Slog.e(TAG, "Rollbacks not supported for instant app install"); |
Richard Uhler | f0bdca5 | 2019-01-31 16:43:59 +0000 | [diff] [blame] | 782 | return false; |
| 783 | } |
| 784 | |
Richard Uhler | fcad49a | 2019-03-13 10:18:46 +0000 | [diff] [blame] | 785 | if (session.resolvedBaseCodePath == null) { |
shafik | bb771fb | 2019-06-05 14:59:57 +0100 | [diff] [blame] | 786 | Slog.e(TAG, "Session code path has not been resolved."); |
Richard Uhler | fcad49a | 2019-03-13 10:18:46 +0000 | [diff] [blame] | 787 | return false; |
| 788 | } |
| 789 | |
Richard Uhler | f0bdca5 | 2019-01-31 16:43:59 +0000 | [diff] [blame] | 790 | // Get information about the package to be installed. |
Oli Lan | 856391f | 2019-09-25 16:08:01 +0100 | [diff] [blame] | 791 | PackageParser.PackageLite newPackage; |
Richard Uhler | f0bdca5 | 2019-01-31 16:43:59 +0000 | [diff] [blame] | 792 | try { |
| 793 | newPackage = PackageParser.parsePackageLite(new File(session.resolvedBaseCodePath), 0); |
| 794 | } catch (PackageParser.PackageParserException e) { |
shafik | bb771fb | 2019-06-05 14:59:57 +0100 | [diff] [blame] | 795 | Slog.e(TAG, "Unable to parse new package", e); |
Richard Uhler | f0bdca5 | 2019-01-31 16:43:59 +0000 | [diff] [blame] | 796 | return false; |
| 797 | } |
| 798 | |
| 799 | String packageName = newPackage.packageName; |
shafik | bb771fb | 2019-06-05 14:59:57 +0100 | [diff] [blame] | 800 | Slog.i(TAG, "Enabling rollback for install of " + packageName |
Narayan Kamath | fcd4a04 | 2019-02-01 14:16:37 +0000 | [diff] [blame] | 801 | + ", session:" + session.sessionId); |
Richard Uhler | f0bdca5 | 2019-01-31 16:43:59 +0000 | [diff] [blame] | 802 | |
Richard Uhler | 1fc10c1 | 2019-03-18 11:38:46 +0000 | [diff] [blame] | 803 | String installerPackageName = session.getInstallerPackageName(); |
| 804 | if (!enableRollbackAllowed(installerPackageName, packageName)) { |
shafik | bb771fb | 2019-06-05 14:59:57 +0100 | [diff] [blame] | 805 | Slog.e(TAG, "Installer " + installerPackageName |
Richard Uhler | 1fc10c1 | 2019-03-18 11:38:46 +0000 | [diff] [blame] | 806 | + " is not allowed to enable rollback on " + packageName); |
| 807 | return false; |
| 808 | } |
| 809 | |
Narayan Kamath | fcd4a04 | 2019-02-01 14:16:37 +0000 | [diff] [blame] | 810 | final boolean isApex = ((installFlags & PackageManager.INSTALL_APEX) != 0); |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 811 | |
| 812 | // Get information about the currently installed package. |
Richard Uhler | 1fc10c1 | 2019-03-18 11:38:46 +0000 | [diff] [blame] | 813 | final PackageInfo pkgInfo; |
Richard Uhler | 1f571c6 | 2019-01-31 15:16:46 +0000 | [diff] [blame] | 814 | try { |
Richard Uhler | 82913b7 | 2019-04-01 13:02:31 +0100 | [diff] [blame] | 815 | pkgInfo = getPackageInfo(packageName); |
Richard Uhler | 1f571c6 | 2019-01-31 15:16:46 +0000 | [diff] [blame] | 816 | } catch (PackageManager.NameNotFoundException e) { |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 817 | // TODO: Support rolling back fresh package installs rather than |
| 818 | // fail here. Test this case. |
shafik | bb771fb | 2019-06-05 14:59:57 +0100 | [diff] [blame] | 819 | Slog.e(TAG, packageName + " is not installed"); |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 820 | return false; |
| 821 | } |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 822 | |
Mohammad Samiul Islam | 3fcecfc | 2019-12-20 17:46:01 +0000 | [diff] [blame] | 823 | if (isApex) { |
| 824 | // Check if this apex contains apks inside it. If true, then they should be added as |
| 825 | // a RollbackPackageInfo into this rollback |
| 826 | final PackageManagerInternal pmi = LocalServices.getService( |
| 827 | PackageManagerInternal.class); |
| 828 | List<String> apksInApex = pmi.getApksInApex(packageName); |
| 829 | for (String apkInApex : apksInApex) { |
| 830 | // Get information about the currently installed package. |
| 831 | final PackageInfo apkPkgInfo; |
| 832 | try { |
| 833 | apkPkgInfo = getPackageInfo(apkInApex); |
| 834 | } catch (PackageManager.NameNotFoundException e) { |
| 835 | // TODO: Support rolling back fresh package installs rather than |
| 836 | // fail here. Test this case. |
| 837 | Slog.e(TAG, apkInApex + " is not installed"); |
| 838 | return false; |
| 839 | } |
JW Wang | 7fcc730 | 2020-02-12 11:30:18 +0800 | [diff] [blame] | 840 | if (!rollback.enableForPackageInApex( |
| 841 | apkInApex, apkPkgInfo.getLongVersionCode(), session.rollbackDataPolicy)) { |
| 842 | return false; |
| 843 | } |
Mohammad Samiul Islam | 3fcecfc | 2019-12-20 17:46:01 +0000 | [diff] [blame] | 844 | } |
| 845 | } |
JW Wang | 7fcc730 | 2020-02-12 11:30:18 +0800 | [diff] [blame] | 846 | |
| 847 | /** |
| 848 | * The order is important here! Always enable the embedded apk-in-apex (if any) before |
| 849 | * enabling the embedding apex. Otherwise the rollback object might be in an inconsistent |
| 850 | * state where an embedding apex is successfully enabled while one of its embedded |
| 851 | * apk-in-apex failed. Note {@link Rollback#allPackagesEnabled()} won't behave correctly if |
| 852 | * a rollback object is inconsistent because it doesn't count apk-in-apex. |
| 853 | */ |
| 854 | ApplicationInfo appInfo = pkgInfo.applicationInfo; |
| 855 | return rollback.enableForPackage(packageName, newPackage.versionCode, |
| 856 | pkgInfo.getLongVersionCode(), isApex, appInfo.sourceDir, |
| 857 | appInfo.splitSourceDirs, session.rollbackDataPolicy); |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 858 | } |
| 859 | |
Narayan Kamath | 869f706 | 2019-01-10 12:24:15 +0000 | [diff] [blame] | 860 | @Override |
Gavin Corkery | ab5ee41 | 2019-05-29 15:33:35 +0100 | [diff] [blame] | 861 | public void snapshotAndRestoreUserData(String packageName, int[] userIds, int appId, |
| 862 | long ceDataInode, String seInfo, int token) { |
Narayan Kamath | 869f706 | 2019-01-10 12:24:15 +0000 | [diff] [blame] | 863 | if (Binder.getCallingUid() != Process.SYSTEM_UID) { |
Gavin Corkery | ab5ee41 | 2019-05-29 15:33:35 +0100 | [diff] [blame] | 864 | throw new SecurityException( |
| 865 | "snapshotAndRestoreUserData may only be called by the system."); |
Narayan Kamath | 869f706 | 2019-01-10 12:24:15 +0000 | [diff] [blame] | 866 | } |
| 867 | |
| 868 | getHandler().post(() -> { |
Oli Lan | 48f3cf4 | 2019-08-09 10:25:49 +0100 | [diff] [blame] | 869 | snapshotUserDataInternal(packageName, userIds); |
Oli Lan | 856391f | 2019-09-25 16:08:01 +0100 | [diff] [blame] | 870 | restoreUserDataInternal(packageName, userIds, appId, seInfo); |
Mohammad Samiul Islam | 3fcecfc | 2019-12-20 17:46:01 +0000 | [diff] [blame] | 871 | // When this method is called as part of the install flow, a positive token number is |
| 872 | // passed to it. Need to notify the PackageManager when we are done. |
| 873 | if (token > 0) { |
| 874 | final PackageManagerInternal pmi = LocalServices.getService( |
| 875 | PackageManagerInternal.class); |
| 876 | pmi.finishPackageInstall(token, false); |
| 877 | } |
Narayan Kamath | 869f706 | 2019-01-10 12:24:15 +0000 | [diff] [blame] | 878 | }); |
| 879 | } |
| 880 | |
JW Wang | 53e89c9 | 2019-11-28 19:53:45 +0800 | [diff] [blame] | 881 | @WorkerThread |
Oli Lan | 48f3cf4 | 2019-08-09 10:25:49 +0100 | [diff] [blame] | 882 | private void snapshotUserDataInternal(String packageName, int[] userIds) { |
JW Wang | 12d0c3e | 2019-12-02 21:01:35 +0800 | [diff] [blame] | 883 | if (LOCAL_LOGV) { |
| 884 | Slog.v(TAG, "snapshotUserData pkg=" + packageName |
| 885 | + " users=" + Arrays.toString(userIds)); |
| 886 | } |
Gavin Corkery | ab5ee41 | 2019-05-29 15:33:35 +0100 | [diff] [blame] | 887 | synchronized (mLock) { |
Gavin Corkery | ab5ee41 | 2019-05-29 15:33:35 +0100 | [diff] [blame] | 888 | for (int i = 0; i < mRollbacks.size(); i++) { |
Richard Uhler | 8d512ee | 2019-07-19 14:55:01 +0100 | [diff] [blame] | 889 | Rollback rollback = mRollbacks.get(i); |
Oli Lan | 4af2f75 | 2019-09-27 10:39:32 +0100 | [diff] [blame] | 890 | rollback.snapshotUserData(packageName, userIds, mAppDataRollbackHelper); |
Gavin Corkery | ab5ee41 | 2019-05-29 15:33:35 +0100 | [diff] [blame] | 891 | } |
Gavin Corkery | ab5ee41 | 2019-05-29 15:33:35 +0100 | [diff] [blame] | 892 | } |
| 893 | } |
| 894 | |
JW Wang | 53e89c9 | 2019-11-28 19:53:45 +0800 | [diff] [blame] | 895 | @WorkerThread |
Oli Lan | 856391f | 2019-09-25 16:08:01 +0100 | [diff] [blame] | 896 | private void restoreUserDataInternal( |
| 897 | String packageName, int[] userIds, int appId, String seInfo) { |
JW Wang | 12d0c3e | 2019-12-02 21:01:35 +0800 | [diff] [blame] | 898 | if (LOCAL_LOGV) { |
| 899 | Slog.v(TAG, "restoreUserData pkg=" + packageName |
| 900 | + " users=" + Arrays.toString(userIds)); |
| 901 | } |
Richard Uhler | 6f8a33b | 2019-02-26 10:40:36 +0000 | [diff] [blame] | 902 | synchronized (mLock) { |
Richard Uhler | 6f8a33b | 2019-02-26 10:40:36 +0000 | [diff] [blame] | 903 | for (int i = 0; i < mRollbacks.size(); ++i) { |
Oli Lan | 856391f | 2019-09-25 16:08:01 +0100 | [diff] [blame] | 904 | Rollback rollback = mRollbacks.get(i); |
Oli Lan | 4af2f75 | 2019-09-27 10:39:32 +0100 | [diff] [blame] | 905 | if (rollback.restoreUserDataForPackageIfInProgress( |
| 906 | packageName, userIds, appId, seInfo, mAppDataRollbackHelper)) { |
| 907 | return; |
Richard Uhler | 6f8a33b | 2019-02-26 10:40:36 +0000 | [diff] [blame] | 908 | } |
| 909 | } |
| 910 | } |
Richard Uhler | 38fab3f | 2019-02-22 16:53:10 +0000 | [diff] [blame] | 911 | } |
| 912 | |
Narayan Kamath | fcd4a04 | 2019-02-01 14:16:37 +0000 | [diff] [blame] | 913 | @Override |
Oli Lan | c72b0bb | 2019-12-02 14:03:55 +0000 | [diff] [blame] | 914 | public int notifyStagedSession(int sessionId) { |
shafik | 3be41a9 | 2019-03-25 14:10:32 +0000 | [diff] [blame] | 915 | if (Binder.getCallingUid() != Process.SYSTEM_UID) { |
| 916 | throw new SecurityException("notifyStagedSession may only be called by the system."); |
| 917 | } |
Oli Lan | c72b0bb | 2019-12-02 14:03:55 +0000 | [diff] [blame] | 918 | final LinkedBlockingQueue<Integer> result = new LinkedBlockingQueue<>(); |
Narayan Kamath | fcd4a04 | 2019-02-01 14:16:37 +0000 | [diff] [blame] | 919 | |
| 920 | // NOTE: We post this runnable on the RollbackManager's binder thread because we'd prefer |
| 921 | // to preserve the invariant that all operations that modify state happen there. |
| 922 | getHandler().post(() -> { |
| 923 | PackageInstaller installer = mContext.getPackageManager().getPackageInstaller(); |
| 924 | |
| 925 | final PackageInstaller.SessionInfo session = installer.getSessionInfo(sessionId); |
| 926 | if (session == null) { |
shafik | bb771fb | 2019-06-05 14:59:57 +0100 | [diff] [blame] | 927 | Slog.e(TAG, "No matching install session for: " + sessionId); |
Oli Lan | c72b0bb | 2019-12-02 14:03:55 +0000 | [diff] [blame] | 928 | result.offer(-1); |
Narayan Kamath | fcd4a04 | 2019-02-01 14:16:37 +0000 | [diff] [blame] | 929 | return; |
| 930 | } |
| 931 | |
JW Wang | ab3064c | 2020-01-10 14:12:19 +0800 | [diff] [blame] | 932 | Rollback newRollback; |
Richard Uhler | 4756970 | 2019-05-02 12:36:39 +0100 | [diff] [blame] | 933 | synchronized (mLock) { |
| 934 | newRollback = createNewRollbackLocked(session); |
| 935 | } |
| 936 | |
Narayan Kamath | fcd4a04 | 2019-02-01 14:16:37 +0000 | [diff] [blame] | 937 | if (!session.isMultiPackage()) { |
JW Wang | ab3064c | 2020-01-10 14:12:19 +0800 | [diff] [blame] | 938 | if (!enableRollbackForPackageSession(newRollback, session)) { |
shafik | bb771fb | 2019-06-05 14:59:57 +0100 | [diff] [blame] | 939 | Slog.e(TAG, "Unable to enable rollback for session: " + sessionId); |
Narayan Kamath | fcd4a04 | 2019-02-01 14:16:37 +0000 | [diff] [blame] | 940 | } |
| 941 | } else { |
| 942 | for (int childSessionId : session.getChildSessionIds()) { |
| 943 | final PackageInstaller.SessionInfo childSession = |
| 944 | installer.getSessionInfo(childSessionId); |
| 945 | if (childSession == null) { |
shafik | bb771fb | 2019-06-05 14:59:57 +0100 | [diff] [blame] | 946 | Slog.e(TAG, "No matching child install session for: " + childSessionId); |
JW Wang | b3ea9a6 | 2020-02-12 10:53:28 +0800 | [diff] [blame] | 947 | break; |
Narayan Kamath | fcd4a04 | 2019-02-01 14:16:37 +0000 | [diff] [blame] | 948 | } |
JW Wang | ab3064c | 2020-01-10 14:12:19 +0800 | [diff] [blame] | 949 | if (!enableRollbackForPackageSession(newRollback, childSession)) { |
shafik | bb771fb | 2019-06-05 14:59:57 +0100 | [diff] [blame] | 950 | Slog.e(TAG, "Unable to enable rollback for session: " + sessionId); |
JW Wang | b3ea9a6 | 2020-02-12 10:53:28 +0800 | [diff] [blame] | 951 | break; |
Narayan Kamath | fcd4a04 | 2019-02-01 14:16:37 +0000 | [diff] [blame] | 952 | } |
| 953 | } |
| 954 | } |
| 955 | |
JW Wang | 38a5656 | 2020-02-11 15:37:19 +0800 | [diff] [blame] | 956 | if (!completeEnableRollback(newRollback)) { |
Oli Lan | c72b0bb | 2019-12-02 14:03:55 +0000 | [diff] [blame] | 957 | result.offer(-1); |
| 958 | } else { |
JW Wang | 38a5656 | 2020-02-11 15:37:19 +0800 | [diff] [blame] | 959 | result.offer(newRollback.info.getRollbackId()); |
Oli Lan | c72b0bb | 2019-12-02 14:03:55 +0000 | [diff] [blame] | 960 | } |
Narayan Kamath | fcd4a04 | 2019-02-01 14:16:37 +0000 | [diff] [blame] | 961 | }); |
| 962 | |
| 963 | try { |
| 964 | return result.take(); |
| 965 | } catch (InterruptedException ie) { |
shafik | bb771fb | 2019-06-05 14:59:57 +0100 | [diff] [blame] | 966 | Slog.e(TAG, "Interrupted while waiting for notifyStagedSession response"); |
Oli Lan | c72b0bb | 2019-12-02 14:03:55 +0000 | [diff] [blame] | 967 | return -1; |
Narayan Kamath | fcd4a04 | 2019-02-01 14:16:37 +0000 | [diff] [blame] | 968 | } |
| 969 | } |
| 970 | |
Richard Uhler | 6fa7d13 | 2019-02-05 13:55:11 +0000 | [diff] [blame] | 971 | @Override |
| 972 | public void notifyStagedApkSession(int originalSessionId, int apkSessionId) { |
shafik | 3be41a9 | 2019-03-25 14:10:32 +0000 | [diff] [blame] | 973 | if (Binder.getCallingUid() != Process.SYSTEM_UID) { |
| 974 | throw new SecurityException("notifyStagedApkSession may only be called by the system."); |
| 975 | } |
Richard Uhler | ba13ab2 | 2019-02-05 15:27:12 +0000 | [diff] [blame] | 976 | getHandler().post(() -> { |
Richard Uhler | 8d512ee | 2019-07-19 14:55:01 +0100 | [diff] [blame] | 977 | Rollback rollback = null; |
Richard Uhler | ba13ab2 | 2019-02-05 15:27:12 +0000 | [diff] [blame] | 978 | synchronized (mLock) { |
Richard Uhler | 6f8a33b | 2019-02-26 10:40:36 +0000 | [diff] [blame] | 979 | for (int i = 0; i < mRollbacks.size(); ++i) { |
Richard Uhler | 8d512ee | 2019-07-19 14:55:01 +0100 | [diff] [blame] | 980 | Rollback candidate = mRollbacks.get(i); |
Oli Lan | d0c3041 | 2019-09-09 18:21:54 +0100 | [diff] [blame] | 981 | if (candidate.getStagedSessionId() == originalSessionId) { |
Richard Uhler | 8d512ee | 2019-07-19 14:55:01 +0100 | [diff] [blame] | 982 | rollback = candidate; |
Richard Uhler | ba13ab2 | 2019-02-05 15:27:12 +0000 | [diff] [blame] | 983 | break; |
| 984 | } |
| 985 | } |
Oli Lan | 0bf4486 | 2019-08-29 14:25:38 +0100 | [diff] [blame] | 986 | if (rollback == null) { |
| 987 | // Did not find rollback matching originalSessionId. |
| 988 | Slog.e(TAG, "notifyStagedApkSession did not find rollback for session " |
| 989 | + originalSessionId |
| 990 | + ". Adding orphaned apk session " + apkSessionId); |
| 991 | mOrphanedApkSessionIds.add(apkSessionId); |
| 992 | } |
Richard Uhler | ba13ab2 | 2019-02-05 15:27:12 +0000 | [diff] [blame] | 993 | } |
| 994 | |
Richard Uhler | 8d512ee | 2019-07-19 14:55:01 +0100 | [diff] [blame] | 995 | if (rollback != null) { |
Oli Lan | 4af2f75 | 2019-09-27 10:39:32 +0100 | [diff] [blame] | 996 | rollback.setApkSessionId(apkSessionId); |
Richard Uhler | ba13ab2 | 2019-02-05 15:27:12 +0000 | [diff] [blame] | 997 | } |
| 998 | }); |
Richard Uhler | 6fa7d13 | 2019-02-05 13:55:11 +0000 | [diff] [blame] | 999 | } |
| 1000 | |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 1001 | /** |
Richard Uhler | 1fc10c1 | 2019-03-18 11:38:46 +0000 | [diff] [blame] | 1002 | * Returns true if the installer is allowed to enable rollback for the |
| 1003 | * given named package, false otherwise. |
| 1004 | */ |
JW Wang | 53e89c9 | 2019-11-28 19:53:45 +0800 | [diff] [blame] | 1005 | @AnyThread |
Richard Uhler | 1fc10c1 | 2019-03-18 11:38:46 +0000 | [diff] [blame] | 1006 | private boolean enableRollbackAllowed(String installerPackageName, String packageName) { |
| 1007 | if (installerPackageName == null) { |
| 1008 | return false; |
| 1009 | } |
| 1010 | |
| 1011 | PackageManager pm = mContext.getPackageManager(); |
| 1012 | boolean manageRollbacksGranted = pm.checkPermission( |
| 1013 | Manifest.permission.MANAGE_ROLLBACKS, |
| 1014 | installerPackageName) == PackageManager.PERMISSION_GRANTED; |
| 1015 | |
| 1016 | boolean testManageRollbacksGranted = pm.checkPermission( |
| 1017 | Manifest.permission.TEST_MANAGE_ROLLBACKS, |
| 1018 | installerPackageName) == PackageManager.PERMISSION_GRANTED; |
| 1019 | |
| 1020 | // For now only allow rollbacks for modules or for testing. |
JW Wang | 9b51b73 | 2019-12-11 17:14:15 +0800 | [diff] [blame] | 1021 | return (isRollbackWhitelisted(packageName) && manageRollbacksGranted) |
Richard Uhler | 1fc10c1 | 2019-03-18 11:38:46 +0000 | [diff] [blame] | 1022 | || testManageRollbacksGranted; |
| 1023 | } |
| 1024 | |
| 1025 | /** |
JW Wang | 9b51b73 | 2019-12-11 17:14:15 +0800 | [diff] [blame] | 1026 | * Returns true is this package is eligible for enabling rollback. |
| 1027 | */ |
JW Wang | 53e89c9 | 2019-11-28 19:53:45 +0800 | [diff] [blame] | 1028 | @AnyThread |
JW Wang | 9b51b73 | 2019-12-11 17:14:15 +0800 | [diff] [blame] | 1029 | private boolean isRollbackWhitelisted(String packageName) { |
| 1030 | // TODO: Remove #isModule when the white list is ready. |
| 1031 | return SystemConfig.getInstance().getRollbackWhitelistedPackages().contains(packageName) |
| 1032 | || isModule(packageName); |
| 1033 | } |
| 1034 | /** |
Richard Uhler | 1fc10c1 | 2019-03-18 11:38:46 +0000 | [diff] [blame] | 1035 | * Returns true if the package name is the name of a module. |
| 1036 | */ |
JW Wang | 53e89c9 | 2019-11-28 19:53:45 +0800 | [diff] [blame] | 1037 | @AnyThread |
Richard Uhler | 1fc10c1 | 2019-03-18 11:38:46 +0000 | [diff] [blame] | 1038 | private boolean isModule(String packageName) { |
| 1039 | PackageManager pm = mContext.getPackageManager(); |
| 1040 | final ModuleInfo moduleInfo; |
| 1041 | try { |
| 1042 | moduleInfo = pm.getModuleInfo(packageName, 0); |
| 1043 | } catch (PackageManager.NameNotFoundException e) { |
| 1044 | return false; |
| 1045 | } |
| 1046 | |
| 1047 | return moduleInfo != null; |
| 1048 | } |
| 1049 | |
| 1050 | /** |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 1051 | * Gets the version of the package currently installed. |
Oli Lan | 3143ee3 | 2019-09-18 17:07:21 +0100 | [diff] [blame] | 1052 | * Returns -1 if the package is not currently installed. |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 1053 | */ |
JW Wang | 53e89c9 | 2019-11-28 19:53:45 +0800 | [diff] [blame] | 1054 | @AnyThread |
Oli Lan | 3143ee3 | 2019-09-18 17:07:21 +0100 | [diff] [blame] | 1055 | private long getInstalledPackageVersion(String packageName) { |
Oli Lan | 856391f | 2019-09-25 16:08:01 +0100 | [diff] [blame] | 1056 | PackageInfo pkgInfo; |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 1057 | try { |
Richard Uhler | 82913b7 | 2019-04-01 13:02:31 +0100 | [diff] [blame] | 1058 | pkgInfo = getPackageInfo(packageName); |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 1059 | } catch (PackageManager.NameNotFoundException e) { |
Oli Lan | 3143ee3 | 2019-09-18 17:07:21 +0100 | [diff] [blame] | 1060 | return -1; |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 1061 | } |
| 1062 | |
Oli Lan | 3143ee3 | 2019-09-18 17:07:21 +0100 | [diff] [blame] | 1063 | return pkgInfo.getLongVersionCode(); |
Richard Uhler | a7e9b2d | 2019-01-22 17:20:58 +0000 | [diff] [blame] | 1064 | } |
| 1065 | |
Richard Uhler | 82913b7 | 2019-04-01 13:02:31 +0100 | [diff] [blame] | 1066 | /** |
Oli Lan | 856391f | 2019-09-25 16:08:01 +0100 | [diff] [blame] | 1067 | * Gets PackageInfo for the given package. Matches any user and apex. |
| 1068 | * |
| 1069 | * @throws PackageManager.NameNotFoundException if no such package is installed. |
Richard Uhler | 82913b7 | 2019-04-01 13:02:31 +0100 | [diff] [blame] | 1070 | */ |
JW Wang | 53e89c9 | 2019-11-28 19:53:45 +0800 | [diff] [blame] | 1071 | @AnyThread |
Richard Uhler | 82913b7 | 2019-04-01 13:02:31 +0100 | [diff] [blame] | 1072 | private PackageInfo getPackageInfo(String packageName) |
| 1073 | throws PackageManager.NameNotFoundException { |
| 1074 | PackageManager pm = mContext.getPackageManager(); |
| 1075 | try { |
| 1076 | // The MATCH_ANY_USER flag doesn't mix well with the MATCH_APEX |
| 1077 | // flag, so make two separate attempts to get the package info. |
| 1078 | // We don't need both flags at the same time because we assume |
| 1079 | // apex files are always installed for all users. |
| 1080 | return pm.getPackageInfo(packageName, PackageManager.MATCH_ANY_USER); |
| 1081 | } catch (PackageManager.NameNotFoundException e) { |
| 1082 | return pm.getPackageInfo(packageName, PackageManager.MATCH_APEX); |
| 1083 | } |
| 1084 | } |
| 1085 | |
JW Wang | 53e89c9 | 2019-11-28 19:53:45 +0800 | [diff] [blame] | 1086 | @WorkerThread |
Richard Uhler | 2d7c7f0d | 2019-01-04 09:18:21 +0000 | [diff] [blame] | 1087 | private class SessionCallback extends PackageInstaller.SessionCallback { |
| 1088 | |
| 1089 | @Override |
| 1090 | public void onCreated(int sessionId) { } |
| 1091 | |
| 1092 | @Override |
| 1093 | public void onBadgingChanged(int sessionId) { } |
| 1094 | |
| 1095 | @Override |
| 1096 | public void onActiveChanged(int sessionId, boolean active) { } |
| 1097 | |
| 1098 | @Override |
| 1099 | public void onProgressChanged(int sessionId, float progress) { } |
| 1100 | |
| 1101 | @Override |
| 1102 | public void onFinished(int sessionId, boolean success) { |
JW Wang | 12d0c3e | 2019-12-02 21:01:35 +0800 | [diff] [blame] | 1103 | if (LOCAL_LOGV) { |
| 1104 | Slog.v(TAG, "SessionCallback.onFinished id=" + sessionId + " success=" + success); |
| 1105 | } |
Richard Uhler | 4756970 | 2019-05-02 12:36:39 +0100 | [diff] [blame] | 1106 | |
JW Wang | 3fa0ce9 | 2019-12-20 14:34:40 +0800 | [diff] [blame] | 1107 | if (success) { |
JW Wang | 7e5eaad | 2020-02-07 16:25:53 +0800 | [diff] [blame] | 1108 | Rollback rollback; |
JW Wang | 3fa0ce9 | 2019-12-20 14:34:40 +0800 | [diff] [blame] | 1109 | synchronized (mLock) { |
JW Wang | 7e5eaad | 2020-02-07 16:25:53 +0800 | [diff] [blame] | 1110 | rollback = getRollbackForSessionLocked(sessionId); |
Richard Uhler | 4756970 | 2019-05-02 12:36:39 +0100 | [diff] [blame] | 1111 | } |
JW Wang | b18925b | 2020-02-11 16:20:06 +0800 | [diff] [blame] | 1112 | if (rollback != null && !rollback.isStaged() && rollback.isEnabling() |
| 1113 | && rollback.notifySessionWithSuccess() |
| 1114 | && completeEnableRollback(rollback)) { |
JW Wang | 7e5eaad | 2020-02-07 16:25:53 +0800 | [diff] [blame] | 1115 | makeRollbackAvailable(rollback); |
JW Wang | 3fa0ce9 | 2019-12-20 14:34:40 +0800 | [diff] [blame] | 1116 | } |
| 1117 | } else { |
JW Wang | 1ac3d11 | 2020-02-07 15:52:36 +0800 | [diff] [blame] | 1118 | synchronized (mLock) { |
| 1119 | Rollback rollback = getRollbackForSessionLocked(sessionId); |
| 1120 | if (rollback != null && rollback.isEnabling()) { |
| 1121 | Slog.w(TAG, "Delete rollback id=" + rollback.info.getRollbackId() |
| 1122 | + " for failed session id=" + sessionId); |
| 1123 | mRollbacks.remove(rollback); |
| 1124 | rollback.delete(mAppDataRollbackHelper); |
| 1125 | } |
| 1126 | } |
Richard Uhler | 2d7c7f0d | 2019-01-04 09:18:21 +0000 | [diff] [blame] | 1127 | } |
Narayan Kamath | fcd4a04 | 2019-02-01 14:16:37 +0000 | [diff] [blame] | 1128 | } |
| 1129 | } |
Richard Uhler | 2d7c7f0d | 2019-01-04 09:18:21 +0000 | [diff] [blame] | 1130 | |
Richard Uhler | 6f8a33b | 2019-02-26 10:40:36 +0000 | [diff] [blame] | 1131 | /** |
JW Wang | b18925b | 2020-02-11 16:20:06 +0800 | [diff] [blame] | 1132 | * Persist a rollback as enable-completed. It does not make the rollback available yet. |
| 1133 | * This rollback will be deleted and removed from {@link #mRollbacks} should any error happens. |
Oli Lan | 8c0084d | 2019-09-11 13:38:43 +0100 | [diff] [blame] | 1134 | * |
JW Wang | 38a5656 | 2020-02-11 15:37:19 +0800 | [diff] [blame] | 1135 | * @return {code true} if {code rollback} is successfully enable-completed, |
| 1136 | * or {code false} otherwise. |
Richard Uhler | 6f8a33b | 2019-02-26 10:40:36 +0000 | [diff] [blame] | 1137 | */ |
JW Wang | 53e89c9 | 2019-11-28 19:53:45 +0800 | [diff] [blame] | 1138 | @WorkerThread |
JW Wang | 38a5656 | 2020-02-11 15:37:19 +0800 | [diff] [blame] | 1139 | private boolean completeEnableRollback(Rollback rollback) { |
JW Wang | 12d0c3e | 2019-12-02 21:01:35 +0800 | [diff] [blame] | 1140 | if (LOCAL_LOGV) { |
JW Wang | 6a70aaf | 2019-12-26 15:02:19 +0800 | [diff] [blame] | 1141 | Slog.v(TAG, "completeEnableRollback id=" + rollback.info.getRollbackId()); |
Oli Lan | 8c0084d | 2019-09-11 13:38:43 +0100 | [diff] [blame] | 1142 | } |
Oli Lan | 4af2f75 | 2019-09-27 10:39:32 +0100 | [diff] [blame] | 1143 | |
Mohammad Samiul Islam | 3ffedc4 | 2020-01-06 13:53:16 +0000 | [diff] [blame] | 1144 | // We are checking if number of packages (excluding apk-in-apex) we enabled for rollback is |
| 1145 | // equal to the number of sessions we are installing, to ensure we didn't skip enabling |
| 1146 | // of any sessions. If we successfully enable an apex, then we can assume we enabled |
| 1147 | // rollback for the embedded apk-in-apex, if any. |
JW Wang | c0d6277 | 2020-01-10 14:37:21 +0800 | [diff] [blame] | 1148 | if (!rollback.allPackagesEnabled()) { |
Mohammad Samiul Islam | 3ffedc4 | 2020-01-06 13:53:16 +0000 | [diff] [blame] | 1149 | Slog.e(TAG, "Failed to enable rollback for all packages in session."); |
JW Wang | b18925b | 2020-02-11 16:20:06 +0800 | [diff] [blame] | 1150 | mRollbacks.remove(rollback); |
Mohammad Samiul Islam | 3ffedc4 | 2020-01-06 13:53:16 +0000 | [diff] [blame] | 1151 | rollback.delete(mAppDataRollbackHelper); |
JW Wang | 38a5656 | 2020-02-11 15:37:19 +0800 | [diff] [blame] | 1152 | return false; |
Mohammad Samiul Islam | 3ffedc4 | 2020-01-06 13:53:16 +0000 | [diff] [blame] | 1153 | } |
Oli Lan | 4af2f75 | 2019-09-27 10:39:32 +0100 | [diff] [blame] | 1154 | |
JW Wang | b18925b | 2020-02-11 16:20:06 +0800 | [diff] [blame] | 1155 | // Note: There is a small window of time between when |
| 1156 | // the session has been committed by the package |
| 1157 | // manager and when we make the rollback available |
| 1158 | // here. Presumably the window is small enough that |
| 1159 | // nobody will want to roll back the newly installed |
| 1160 | // package before we make the rollback available. |
| 1161 | // TODO: We'll lose the rollback if the |
| 1162 | // device reboots between when the session is |
| 1163 | // committed and this point. Revisit this after |
| 1164 | // adding support for rollback of staged installs. |
Oli Lan | 4af2f75 | 2019-09-27 10:39:32 +0100 | [diff] [blame] | 1165 | rollback.saveRollback(); |
Richard Uhler | 6f8a33b | 2019-02-26 10:40:36 +0000 | [diff] [blame] | 1166 | |
JW Wang | 38a5656 | 2020-02-11 15:37:19 +0800 | [diff] [blame] | 1167 | return true; |
Richard Uhler | 6f8a33b | 2019-02-26 10:40:36 +0000 | [diff] [blame] | 1168 | } |
| 1169 | |
JW Wang | 53e89c9 | 2019-11-28 19:53:45 +0800 | [diff] [blame] | 1170 | @WorkerThread |
Oli Lan | 8c0084d | 2019-09-11 13:38:43 +0100 | [diff] [blame] | 1171 | @GuardedBy("rollback.getLock") |
Richard Uhler | 8d512ee | 2019-07-19 14:55:01 +0100 | [diff] [blame] | 1172 | private void makeRollbackAvailable(Rollback rollback) { |
JW Wang | 12d0c3e | 2019-12-02 21:01:35 +0800 | [diff] [blame] | 1173 | if (LOCAL_LOGV) { |
| 1174 | Slog.v(TAG, "makeRollbackAvailable id=" + rollback.info.getRollbackId()); |
| 1175 | } |
Oli Lan | 7363a62 | 2019-09-13 10:06:12 +0100 | [diff] [blame] | 1176 | rollback.makeAvailable(); |
Richard Uhler | 6f8a33b | 2019-02-26 10:40:36 +0000 | [diff] [blame] | 1177 | |
| 1178 | // TODO(zezeozue): Provide API to explicitly start observing instead |
| 1179 | // of doing this for all rollbacks. If we do this for all rollbacks, |
| 1180 | // should document in PackageInstaller.SessionParams#setEnableRollback |
Oli Lan | 7363a62 | 2019-09-13 10:06:12 +0100 | [diff] [blame] | 1181 | // After enabling and committing any rollback, observe packages and |
Richard Uhler | 6f8a33b | 2019-02-26 10:40:36 +0000 | [diff] [blame] | 1182 | // prepare to rollback if packages crashes too frequently. |
Oli Lan | 3143ee3 | 2019-09-18 17:07:21 +0100 | [diff] [blame] | 1183 | mPackageHealthObserver.startObservingHealth(rollback.getPackageNames(), |
Richard Uhler | 6f8a33b | 2019-02-26 10:40:36 +0000 | [diff] [blame] | 1184 | mRollbackLifetimeDurationInMillis); |
| 1185 | scheduleExpiration(mRollbackLifetimeDurationInMillis); |
Richard Uhler | 035e974 | 2019-01-09 13:11:07 +0000 | [diff] [blame] | 1186 | } |
Richard Uhler | b9d5447 | 2019-01-22 12:50:08 +0000 | [diff] [blame] | 1187 | |
Richard Uhler | 0a79b32 | 2019-01-23 13:51:07 +0000 | [diff] [blame] | 1188 | /* |
Richard Uhler | 8d512ee | 2019-07-19 14:55:01 +0100 | [diff] [blame] | 1189 | * Returns the rollback with the given rollbackId, if any. |
Richard Uhler | 0a79b32 | 2019-01-23 13:51:07 +0000 | [diff] [blame] | 1190 | */ |
JW Wang | 53e89c9 | 2019-11-28 19:53:45 +0800 | [diff] [blame] | 1191 | @WorkerThread |
Richard Uhler | 8d512ee | 2019-07-19 14:55:01 +0100 | [diff] [blame] | 1192 | private Rollback getRollbackForId(int rollbackId) { |
Richard Uhler | 0a79b32 | 2019-01-23 13:51:07 +0000 | [diff] [blame] | 1193 | synchronized (mLock) { |
Richard Uhler | 6f8a33b | 2019-02-26 10:40:36 +0000 | [diff] [blame] | 1194 | for (int i = 0; i < mRollbacks.size(); ++i) { |
Richard Uhler | 8d512ee | 2019-07-19 14:55:01 +0100 | [diff] [blame] | 1195 | Rollback rollback = mRollbacks.get(i); |
| 1196 | if (rollback.info.getRollbackId() == rollbackId) { |
| 1197 | return rollback; |
Richard Uhler | 0a79b32 | 2019-01-23 13:51:07 +0000 | [diff] [blame] | 1198 | } |
| 1199 | } |
| 1200 | } |
Narayan Kamath | c034fe9 | 2019-01-23 10:48:17 +0000 | [diff] [blame] | 1201 | |
| 1202 | return null; |
| 1203 | } |
| 1204 | |
JW Wang | 53e89c9 | 2019-11-28 19:53:45 +0800 | [diff] [blame] | 1205 | @WorkerThread |
Richard Uhler | b9d5447 | 2019-01-22 12:50:08 +0000 | [diff] [blame] | 1206 | @GuardedBy("mLock") |
Richard Uhler | 4756970 | 2019-05-02 12:36:39 +0100 | [diff] [blame] | 1207 | private int allocateRollbackIdLocked() { |
Richard Uhler | b9d5447 | 2019-01-22 12:50:08 +0000 | [diff] [blame] | 1208 | int n = 0; |
| 1209 | int rollbackId; |
| 1210 | do { |
| 1211 | rollbackId = mRandom.nextInt(Integer.MAX_VALUE - 1) + 1; |
| 1212 | if (!mAllocatedRollbackIds.get(rollbackId, false)) { |
| 1213 | mAllocatedRollbackIds.put(rollbackId, true); |
| 1214 | return rollbackId; |
| 1215 | } |
| 1216 | } while (n++ < 32); |
| 1217 | |
Richard Uhler | 4756970 | 2019-05-02 12:36:39 +0100 | [diff] [blame] | 1218 | throw new IllegalStateException("Failed to allocate rollback ID"); |
Richard Uhler | b9d5447 | 2019-01-22 12:50:08 +0000 | [diff] [blame] | 1219 | } |
Nikita Ioffe | 952aa7b | 2019-01-28 19:49:56 +0000 | [diff] [blame] | 1220 | |
shafik | 6004600 | 2019-03-12 17:54:10 +0000 | [diff] [blame] | 1221 | @Override |
| 1222 | protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
Oli Lan | 8753d82 | 2019-11-01 11:33:53 +0000 | [diff] [blame] | 1223 | if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return; |
| 1224 | |
shafik | 6004600 | 2019-03-12 17:54:10 +0000 | [diff] [blame] | 1225 | IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " "); |
| 1226 | synchronized (mLock) { |
Richard Uhler | 8d512ee | 2019-07-19 14:55:01 +0100 | [diff] [blame] | 1227 | for (Rollback rollback : mRollbacks) { |
Oli Lan | 4af2f75 | 2019-09-27 10:39:32 +0100 | [diff] [blame] | 1228 | rollback.dump(ipw); |
shafik | 6004600 | 2019-03-12 17:54:10 +0000 | [diff] [blame] | 1229 | } |
Gavin Corkery | efb3ff1 | 2019-12-02 18:15:24 +0000 | [diff] [blame] | 1230 | ipw.println(); |
| 1231 | PackageWatchdog.getInstance(mContext).dump(ipw); |
shafik | 6004600 | 2019-03-12 17:54:10 +0000 | [diff] [blame] | 1232 | } |
| 1233 | } |
Richard Uhler | 1fc10c1 | 2019-03-18 11:38:46 +0000 | [diff] [blame] | 1234 | |
JW Wang | 53e89c9 | 2019-11-28 19:53:45 +0800 | [diff] [blame] | 1235 | @AnyThread |
Richard Uhler | 1fc10c1 | 2019-03-18 11:38:46 +0000 | [diff] [blame] | 1236 | private void enforceManageRollbacks(@NonNull String message) { |
| 1237 | if ((PackageManager.PERMISSION_GRANTED != mContext.checkCallingOrSelfPermission( |
| 1238 | Manifest.permission.MANAGE_ROLLBACKS)) |
| 1239 | && (PackageManager.PERMISSION_GRANTED != mContext.checkCallingOrSelfPermission( |
| 1240 | Manifest.permission.TEST_MANAGE_ROLLBACKS))) { |
| 1241 | throw new SecurityException(message + " requires " |
| 1242 | + Manifest.permission.MANAGE_ROLLBACKS + " or " |
| 1243 | + Manifest.permission.TEST_MANAGE_ROLLBACKS); |
| 1244 | } |
| 1245 | } |
Richard Uhler | 4756970 | 2019-05-02 12:36:39 +0100 | [diff] [blame] | 1246 | |
JW Wang | b18925b | 2020-02-11 16:20:06 +0800 | [diff] [blame] | 1247 | /** |
| 1248 | * Creates and returns a Rollback according to the given SessionInfo |
| 1249 | * and adds it to {@link #mRollbacks}. |
| 1250 | */ |
JW Wang | 53e89c9 | 2019-11-28 19:53:45 +0800 | [diff] [blame] | 1251 | @WorkerThread |
Oli Lan | 8c0084d | 2019-09-11 13:38:43 +0100 | [diff] [blame] | 1252 | @GuardedBy("mLock") |
JW Wang | ab3064c | 2020-01-10 14:12:19 +0800 | [diff] [blame] | 1253 | private Rollback createNewRollbackLocked(PackageInstaller.SessionInfo parentSession) { |
Richard Uhler | 4756970 | 2019-05-02 12:36:39 +0100 | [diff] [blame] | 1254 | int rollbackId = allocateRollbackIdLocked(); |
Gavin Corkery | 0987cb0 | 2019-10-07 10:46:55 +0100 | [diff] [blame] | 1255 | final int userId; |
| 1256 | if (parentSession.getUser() == UserHandle.ALL) { |
| 1257 | userId = UserHandle.USER_SYSTEM; |
| 1258 | } else { |
| 1259 | userId = parentSession.getUser().getIdentifier(); |
| 1260 | } |
| 1261 | String installerPackageName = parentSession.getInstallerPackageName(); |
Richard Uhler | 8d512ee | 2019-07-19 14:55:01 +0100 | [diff] [blame] | 1262 | final Rollback rollback; |
Richard Uhler | 4756970 | 2019-05-02 12:36:39 +0100 | [diff] [blame] | 1263 | int parentSessionId = parentSession.getSessionId(); |
| 1264 | |
JW Wang | 12d0c3e | 2019-12-02 21:01:35 +0800 | [diff] [blame] | 1265 | if (LOCAL_LOGV) { |
| 1266 | Slog.v(TAG, "createNewRollback id=" + rollbackId |
| 1267 | + " user=" + userId + " installer=" + installerPackageName); |
| 1268 | } |
| 1269 | |
Richard Uhler | 4756970 | 2019-05-02 12:36:39 +0100 | [diff] [blame] | 1270 | int[] packageSessionIds; |
| 1271 | if (parentSession.isMultiPackage()) { |
| 1272 | packageSessionIds = parentSession.getChildSessionIds(); |
| 1273 | } else { |
| 1274 | packageSessionIds = new int[]{parentSessionId}; |
| 1275 | } |
| 1276 | |
JW Wang | c3403cd | 2020-01-10 13:44:00 +0800 | [diff] [blame] | 1277 | if (parentSession.isStaged()) { |
| 1278 | rollback = mRollbackStore.createStagedRollback(rollbackId, parentSessionId, userId, |
| 1279 | installerPackageName, packageSessionIds); |
| 1280 | } else { |
| 1281 | rollback = mRollbackStore.createNonStagedRollback(rollbackId, userId, |
| 1282 | installerPackageName, packageSessionIds); |
| 1283 | } |
| 1284 | |
JW Wang | b18925b | 2020-02-11 16:20:06 +0800 | [diff] [blame] | 1285 | mRollbacks.add(rollback); |
JW Wang | ab3064c | 2020-01-10 14:12:19 +0800 | [diff] [blame] | 1286 | return rollback; |
Richard Uhler | 4756970 | 2019-05-02 12:36:39 +0100 | [diff] [blame] | 1287 | } |
| 1288 | |
| 1289 | /** |
JW Wang | 1ac3d11 | 2020-02-07 15:52:36 +0800 | [diff] [blame] | 1290 | * Returns the Rollback associated with the given session if parent or child session id matches. |
| 1291 | * Returns null if not found. |
| 1292 | */ |
| 1293 | @WorkerThread |
| 1294 | @GuardedBy("mLock") |
| 1295 | @Nullable |
| 1296 | private Rollback getRollbackForSessionLocked(int sessionId) { |
| 1297 | // We expect mRollbacks to be a very small list; linear search should be plenty fast. |
| 1298 | for (int i = 0; i < mRollbacks.size(); ++i) { |
| 1299 | Rollback rollback = mRollbacks.get(i); |
| 1300 | if (rollback.getStagedSessionId() == sessionId |
| 1301 | || rollback.containsSessionId(sessionId)) { |
| 1302 | return rollback; |
| 1303 | } |
| 1304 | } |
| 1305 | return null; |
| 1306 | } |
Richard Uhler | e95d055 | 2018-12-27 15:03:41 +0000 | [diff] [blame] | 1307 | } |