Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2017 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.pm.permission; |
| 18 | |
| 19 | import static android.Manifest.permission.READ_EXTERNAL_STORAGE; |
| 20 | import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 21 | import static android.content.pm.PackageManager.FLAGS_PERMISSION_RESTRICTION_ANY_EXEMPT; |
| 22 | import static android.content.pm.PackageManager.FLAG_PERMISSION_APPLY_RESTRICTION; |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 23 | import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; |
| 24 | import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; |
Todd Kennedy | 3bc9472 | 2017-10-10 09:55:53 -0700 | [diff] [blame] | 25 | import static android.content.pm.PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 26 | import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 27 | import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_WHEN_REQUESTED; |
| 28 | import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; |
| 29 | import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; |
| 30 | import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 31 | import static android.content.pm.PackageManager.FLAG_PERMISSION_WHITELIST_INSTALLER; |
| 32 | import static android.content.pm.PackageManager.FLAG_PERMISSION_WHITELIST_SYSTEM; |
| 33 | import static android.content.pm.PackageManager.FLAG_PERMISSION_WHITELIST_UPGRADE; |
Philip P. Moltmann | ba74206 | 2019-04-08 13:22:44 -0700 | [diff] [blame] | 34 | import static android.content.pm.PackageManager.MASK_PERMISSION_FLAGS_ALL; |
Hongwei Wang | f391b55 | 2018-04-06 13:52:46 -0700 | [diff] [blame] | 35 | import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; |
| 36 | |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 37 | import static com.android.server.pm.PackageManagerService.DEBUG_INSTALL; |
| 38 | import static com.android.server.pm.PackageManagerService.DEBUG_PACKAGE_SCANNING; |
| 39 | import static com.android.server.pm.PackageManagerService.DEBUG_PERMISSIONS; |
| 40 | import static com.android.server.pm.PackageManagerService.DEBUG_REMOVE; |
| 41 | import static com.android.server.pm.PackageManagerService.PLATFORM_PACKAGE_NAME; |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 42 | import static com.android.server.pm.permission.PermissionsState.PERMISSION_OPERATION_FAILURE; |
| 43 | |
| 44 | import static java.util.concurrent.TimeUnit.SECONDS; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 45 | |
| 46 | import android.Manifest; |
| 47 | import android.annotation.NonNull; |
| 48 | import android.annotation.Nullable; |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 49 | import android.annotation.UserIdInt; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 50 | import android.content.Context; |
| 51 | import android.content.pm.PackageManager; |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 52 | import android.content.pm.PackageManager.PermissionWhitelistFlags; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 53 | import android.content.pm.PackageManagerInternal; |
| 54 | import android.content.pm.PackageParser; |
Hongwei Wang | f391b55 | 2018-04-06 13:52:46 -0700 | [diff] [blame] | 55 | import android.content.pm.PackageParser.Package; |
Todd Kennedy | 460f28c | 2017-10-06 13:46:22 -0700 | [diff] [blame] | 56 | import android.content.pm.PermissionGroupInfo; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 57 | import android.content.pm.PermissionInfo; |
Philip P. Moltmann | 8cff8b9 | 2017-10-25 14:32:41 -0700 | [diff] [blame] | 58 | import android.metrics.LogMaker; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 59 | import android.os.Binder; |
| 60 | import android.os.Build; |
| 61 | import android.os.Handler; |
| 62 | import android.os.HandlerThread; |
| 63 | import android.os.Process; |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 64 | import android.os.Trace; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 65 | import android.os.UserHandle; |
| 66 | import android.os.UserManager; |
| 67 | import android.os.UserManagerInternal; |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 68 | import android.os.storage.StorageManager; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 69 | import android.os.storage.StorageManagerInternal; |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 70 | import android.permission.PermissionControllerManager; |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 71 | import android.permission.PermissionManager; |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 72 | import android.permission.PermissionManagerInternal; |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 73 | import android.permission.PermissionManagerInternal.OnRuntimePermissionStateChangedListener; |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 74 | import android.text.TextUtils; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 75 | import android.util.ArrayMap; |
| 76 | import android.util.ArraySet; |
Philip P. Moltmann | fae8a528 | 2018-04-10 12:15:32 -0700 | [diff] [blame] | 77 | import android.util.EventLog; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 78 | import android.util.Log; |
| 79 | import android.util.Slog; |
Todd Kennedy | 3bc9472 | 2017-10-10 09:55:53 -0700 | [diff] [blame] | 80 | import android.util.SparseArray; |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 81 | import android.util.SparseBooleanArray; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 82 | |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 83 | import com.android.internal.annotations.GuardedBy; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 84 | import com.android.internal.logging.MetricsLogger; |
| 85 | import com.android.internal.logging.nano.MetricsProto.MetricsEvent; |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 86 | import com.android.internal.os.RoSystemProperties; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 87 | import com.android.internal.util.ArrayUtils; |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 88 | import com.android.internal.util.function.pooled.PooledLambda; |
| 89 | import com.android.server.FgThread; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 90 | import com.android.server.LocalServices; |
| 91 | import com.android.server.ServiceThread; |
| 92 | import com.android.server.SystemConfig; |
| 93 | import com.android.server.Watchdog; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 94 | import com.android.server.pm.PackageManagerServiceUtils; |
| 95 | import com.android.server.pm.PackageSetting; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 96 | import com.android.server.pm.SharedUserSetting; |
Todd Kennedy | 3bc9472 | 2017-10-10 09:55:53 -0700 | [diff] [blame] | 97 | import com.android.server.pm.UserManagerService; |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 98 | import com.android.server.pm.permission.PermissionManagerServiceInternal.PermissionCallback; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 99 | import com.android.server.pm.permission.PermissionsState.PermissionState; |
Svet Ganov | 0b41c89 | 2019-07-26 17:45:56 -0700 | [diff] [blame] | 100 | import com.android.server.policy.PermissionPolicyInternal; |
Philip P. Moltmann | 8625cdd | 2019-05-30 08:27:19 -0700 | [diff] [blame] | 101 | import com.android.server.policy.SoftRestrictedPermissionPolicy; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 102 | |
| 103 | import libcore.util.EmptyArray; |
| 104 | |
| 105 | import java.util.ArrayList; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 106 | import java.util.Collection; |
Hongwei Wang | f391b55 | 2018-04-06 13:52:46 -0700 | [diff] [blame] | 107 | import java.util.HashMap; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 108 | import java.util.Iterator; |
| 109 | import java.util.List; |
Hongwei Wang | f391b55 | 2018-04-06 13:52:46 -0700 | [diff] [blame] | 110 | import java.util.Map; |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 111 | import java.util.Objects; |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 112 | import java.util.Set; |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 113 | import java.util.concurrent.CompletableFuture; |
| 114 | import java.util.concurrent.ExecutionException; |
| 115 | import java.util.concurrent.TimeUnit; |
| 116 | import java.util.concurrent.TimeoutException; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 117 | |
| 118 | /** |
| 119 | * Manages all permissions and handles permissions related tasks. |
| 120 | */ |
| 121 | public class PermissionManagerService { |
| 122 | private static final String TAG = "PackageManager"; |
| 123 | |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 124 | /** Permission grant: not grant the permission. */ |
| 125 | private static final int GRANT_DENIED = 1; |
| 126 | /** Permission grant: grant the permission as an install permission. */ |
| 127 | private static final int GRANT_INSTALL = 2; |
| 128 | /** Permission grant: grant the permission as a runtime one. */ |
| 129 | private static final int GRANT_RUNTIME = 3; |
| 130 | /** Permission grant: grant as runtime a permission that was granted as an install time one. */ |
| 131 | private static final int GRANT_UPGRADE = 4; |
| 132 | |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 133 | private static final long BACKUP_TIMEOUT_MILLIS = SECONDS.toMillis(60); |
| 134 | |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 135 | /** Cap the size of permission trees that 3rd party apps can define; in characters of text */ |
| 136 | private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; |
| 137 | /** Empty array to avoid allocations */ |
| 138 | private static final int[] EMPTY_INT_ARRAY = new int[0]; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 139 | |
Philip P. Moltmann | 319c4ee | 2019-02-25 09:21:23 -0800 | [diff] [blame] | 140 | /** |
| 141 | * When these flags are set, the system should not automatically modify the permission grant |
| 142 | * state. |
| 143 | */ |
| 144 | private static final int BLOCKING_PERMISSION_FLAGS = FLAG_PERMISSION_SYSTEM_FIXED |
| 145 | | FLAG_PERMISSION_POLICY_FIXED |
| 146 | | FLAG_PERMISSION_GRANTED_BY_DEFAULT; |
| 147 | |
| 148 | /** Permission flags set by the user */ |
| 149 | private static final int USER_PERMISSION_FLAGS = FLAG_PERMISSION_USER_SET |
| 150 | | FLAG_PERMISSION_USER_FIXED; |
| 151 | |
Hongwei Wang | f391b55 | 2018-04-06 13:52:46 -0700 | [diff] [blame] | 152 | /** If the permission of the value is granted, so is the key */ |
| 153 | private static final Map<String, String> FULLER_PERMISSION_MAP = new HashMap<>(); |
| 154 | |
| 155 | static { |
| 156 | FULLER_PERMISSION_MAP.put(Manifest.permission.ACCESS_COARSE_LOCATION, |
| 157 | Manifest.permission.ACCESS_FINE_LOCATION); |
| 158 | FULLER_PERMISSION_MAP.put(Manifest.permission.INTERACT_ACROSS_USERS, |
| 159 | Manifest.permission.INTERACT_ACROSS_USERS_FULL); |
| 160 | } |
| 161 | |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 162 | /** Lock to protect internal data access */ |
| 163 | private final Object mLock; |
| 164 | |
| 165 | /** Internal connection to the package manager */ |
| 166 | private final PackageManagerInternal mPackageManagerInt; |
| 167 | |
| 168 | /** Internal connection to the user manager */ |
| 169 | private final UserManagerInternal mUserManagerInt; |
| 170 | |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 171 | /** Permission controller: User space permission management */ |
| 172 | private PermissionControllerManager mPermissionControllerManager; |
| 173 | |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 174 | /** Default permission policy to provide proper behaviour out-of-the-box */ |
| 175 | private final DefaultPermissionGrantPolicy mDefaultPermissionGrantPolicy; |
| 176 | |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 177 | /** |
| 178 | * Built-in permissions. Read from system configuration files. Mapping is from |
| 179 | * UID to permission name. |
| 180 | */ |
Todd Kennedy | 3bc9472 | 2017-10-10 09:55:53 -0700 | [diff] [blame] | 181 | private final SparseArray<ArraySet<String>> mSystemPermissions; |
Todd Kennedy | 3bc9472 | 2017-10-10 09:55:53 -0700 | [diff] [blame] | 182 | |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 183 | /** Built-in group IDs given to all packages. Read from system configuration files. */ |
| 184 | private final int[] mGlobalGids; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 185 | |
| 186 | private final HandlerThread mHandlerThread; |
| 187 | private final Handler mHandler; |
| 188 | private final Context mContext; |
Philip P. Moltmann | 8cff8b9 | 2017-10-25 14:32:41 -0700 | [diff] [blame] | 189 | private final MetricsLogger mMetricsLogger = new MetricsLogger(); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 190 | |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 191 | /** Internal storage for permissions and related settings */ |
| 192 | @GuardedBy("mLock") |
| 193 | private final PermissionSettings mSettings; |
| 194 | |
| 195 | @GuardedBy("mLock") |
| 196 | private ArraySet<String> mPrivappPermissionsViolations; |
| 197 | |
| 198 | @GuardedBy("mLock") |
| 199 | private boolean mSystemReady; |
| 200 | |
Svet Ganov | 0b41c89 | 2019-07-26 17:45:56 -0700 | [diff] [blame] | 201 | @GuardedBy("mLock") |
| 202 | private PermissionPolicyInternal mPermissionPolicyInternal; |
| 203 | |
Philip P. Moltmann | e1b277a | 2018-11-01 16:22:50 -0700 | [diff] [blame] | 204 | /** |
| 205 | * For each foreground/background permission the mapping: |
| 206 | * Background permission -> foreground permissions |
| 207 | */ |
| 208 | @GuardedBy("mLock") |
| 209 | private ArrayMap<String, List<String>> mBackgroundPermissions; |
| 210 | |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 211 | /** |
| 212 | * A permission backup might contain apps that are not installed. In this case we delay the |
| 213 | * restoration until the app is installed. |
| 214 | * |
| 215 | * <p>This array ({@code userId -> noDelayedBackupLeft}) is {@code true} for all the users where |
| 216 | * there is <u>no more</u> delayed backup left. |
| 217 | */ |
| 218 | @GuardedBy("mLock") |
| 219 | private final SparseBooleanArray mHasNoDelayedPermBackup = new SparseBooleanArray(); |
| 220 | |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 221 | /** Listeners for permission state (granting and flags) changes */ |
| 222 | @GuardedBy("mLock") |
| 223 | final private ArrayList<OnRuntimePermissionStateChangedListener> |
| 224 | mRuntimePermissionStateChangedListeners = new ArrayList<>(); |
| 225 | |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 226 | PermissionManagerService(Context context, |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 227 | @NonNull Object externalLock) { |
| 228 | mContext = context; |
| 229 | mLock = externalLock; |
| 230 | mPackageManagerInt = LocalServices.getService(PackageManagerInternal.class); |
| 231 | mUserManagerInt = LocalServices.getService(UserManagerInternal.class); |
Philip P. Moltmann | 6c644e6 | 2018-07-18 15:41:24 -0700 | [diff] [blame] | 232 | mSettings = new PermissionSettings(mLock); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 233 | |
| 234 | mHandlerThread = new ServiceThread(TAG, |
| 235 | Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); |
| 236 | mHandlerThread.start(); |
| 237 | mHandler = new Handler(mHandlerThread.getLooper()); |
| 238 | Watchdog.getInstance().addThread(mHandler); |
| 239 | |
| 240 | mDefaultPermissionGrantPolicy = new DefaultPermissionGrantPolicy( |
Philip P. Moltmann | 5f5783e | 2019-05-22 14:57:18 -0700 | [diff] [blame] | 241 | context, mHandlerThread.getLooper(), this); |
Todd Kennedy | 3bc9472 | 2017-10-10 09:55:53 -0700 | [diff] [blame] | 242 | SystemConfig systemConfig = SystemConfig.getInstance(); |
| 243 | mSystemPermissions = systemConfig.getSystemPermissions(); |
| 244 | mGlobalGids = systemConfig.getGlobalGids(); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 245 | |
| 246 | // propagate permission configuration |
| 247 | final ArrayMap<String, SystemConfig.PermissionEntry> permConfig = |
| 248 | SystemConfig.getInstance().getPermissions(); |
| 249 | synchronized (mLock) { |
| 250 | for (int i=0; i<permConfig.size(); i++) { |
| 251 | final SystemConfig.PermissionEntry perm = permConfig.valueAt(i); |
| 252 | BasePermission bp = mSettings.getPermissionLocked(perm.name); |
| 253 | if (bp == null) { |
| 254 | bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); |
| 255 | mSettings.putPermissionLocked(perm.name, bp); |
| 256 | } |
| 257 | if (perm.gids != null) { |
| 258 | bp.setGids(perm.gids, perm.perUser); |
| 259 | } |
| 260 | } |
| 261 | } |
| 262 | |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 263 | PermissionManagerServiceInternalImpl localService = |
| 264 | new PermissionManagerServiceInternalImpl(); |
| 265 | LocalServices.addService(PermissionManagerServiceInternal.class, localService); |
| 266 | LocalServices.addService(PermissionManagerInternal.class, localService); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 267 | } |
| 268 | |
| 269 | /** |
| 270 | * Creates and returns an initialized, internal service for use by other components. |
| 271 | * <p> |
| 272 | * The object returned is identical to the one returned by the LocalServices class using: |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 273 | * {@code LocalServices.getService(PermissionManagerServiceInternal.class);} |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 274 | * <p> |
| 275 | * NOTE: The external lock is temporary and should be removed. This needs to be a |
| 276 | * lock created by the permission manager itself. |
| 277 | */ |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 278 | public static PermissionManagerServiceInternal create(Context context, |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 279 | @NonNull Object externalLock) { |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 280 | final PermissionManagerServiceInternal permMgrInt = |
| 281 | LocalServices.getService(PermissionManagerServiceInternal.class); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 282 | if (permMgrInt != null) { |
| 283 | return permMgrInt; |
| 284 | } |
Philip P. Moltmann | 5f5783e | 2019-05-22 14:57:18 -0700 | [diff] [blame] | 285 | new PermissionManagerService(context, externalLock); |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 286 | return LocalServices.getService(PermissionManagerServiceInternal.class); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 287 | } |
| 288 | |
| 289 | @Nullable BasePermission getPermission(String permName) { |
| 290 | synchronized (mLock) { |
| 291 | return mSettings.getPermissionLocked(permName); |
| 292 | } |
| 293 | } |
| 294 | |
| 295 | private int checkPermission(String permName, String pkgName, int callingUid, int userId) { |
| 296 | if (!mUserManagerInt.exists(userId)) { |
| 297 | return PackageManager.PERMISSION_DENIED; |
| 298 | } |
| 299 | |
Patrick Baumann | 97b9b53 | 2018-04-11 14:51:30 +0000 | [diff] [blame] | 300 | final PackageParser.Package pkg = mPackageManagerInt.getPackage(pkgName); |
| 301 | if (pkg != null && pkg.mExtras != null) { |
| 302 | if (mPackageManagerInt.filterAppAccess(pkg, callingUid, userId)) { |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 303 | return PackageManager.PERMISSION_DENIED; |
| 304 | } |
Patrick Baumann | 97b9b53 | 2018-04-11 14:51:30 +0000 | [diff] [blame] | 305 | final PackageSetting ps = (PackageSetting) pkg.mExtras; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 306 | final boolean instantApp = ps.getInstantApp(userId); |
| 307 | final PermissionsState permissionsState = ps.getPermissionsState(); |
| 308 | if (permissionsState.hasPermission(permName, userId)) { |
| 309 | if (instantApp) { |
| 310 | synchronized (mLock) { |
| 311 | BasePermission bp = mSettings.getPermissionLocked(permName); |
| 312 | if (bp != null && bp.isInstant()) { |
| 313 | return PackageManager.PERMISSION_GRANTED; |
| 314 | } |
| 315 | } |
| 316 | } else { |
| 317 | return PackageManager.PERMISSION_GRANTED; |
| 318 | } |
| 319 | } |
Hongwei Wang | f391b55 | 2018-04-06 13:52:46 -0700 | [diff] [blame] | 320 | if (isImpliedPermissionGranted(permissionsState, permName, userId)) { |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 321 | return PackageManager.PERMISSION_GRANTED; |
| 322 | } |
| 323 | } |
| 324 | |
| 325 | return PackageManager.PERMISSION_DENIED; |
| 326 | } |
| 327 | |
Todd Kennedy | 3c71449 | 2017-10-27 09:12:50 -0700 | [diff] [blame] | 328 | private int checkUidPermission(String permName, PackageParser.Package pkg, int uid, |
| 329 | int callingUid) { |
Todd Kennedy | 3bc9472 | 2017-10-10 09:55:53 -0700 | [diff] [blame] | 330 | final int callingUserId = UserHandle.getUserId(callingUid); |
| 331 | final boolean isCallerInstantApp = |
| 332 | mPackageManagerInt.getInstantAppPackageName(callingUid) != null; |
| 333 | final boolean isUidInstantApp = |
| 334 | mPackageManagerInt.getInstantAppPackageName(uid) != null; |
| 335 | final int userId = UserHandle.getUserId(uid); |
| 336 | if (!mUserManagerInt.exists(userId)) { |
| 337 | return PackageManager.PERMISSION_DENIED; |
| 338 | } |
| 339 | |
Todd Kennedy | 3c71449 | 2017-10-27 09:12:50 -0700 | [diff] [blame] | 340 | if (pkg != null) { |
Todd Kennedy | 3bc9472 | 2017-10-10 09:55:53 -0700 | [diff] [blame] | 341 | if (pkg.mSharedUserId != null) { |
| 342 | if (isCallerInstantApp) { |
| 343 | return PackageManager.PERMISSION_DENIED; |
| 344 | } |
Todd Kennedy | 3c71449 | 2017-10-27 09:12:50 -0700 | [diff] [blame] | 345 | } else if (mPackageManagerInt.filterAppAccess(pkg, callingUid, callingUserId)) { |
| 346 | return PackageManager.PERMISSION_DENIED; |
Todd Kennedy | 3bc9472 | 2017-10-10 09:55:53 -0700 | [diff] [blame] | 347 | } |
| 348 | final PermissionsState permissionsState = |
| 349 | ((PackageSetting) pkg.mExtras).getPermissionsState(); |
| 350 | if (permissionsState.hasPermission(permName, userId)) { |
| 351 | if (isUidInstantApp) { |
| 352 | if (mSettings.isPermissionInstant(permName)) { |
| 353 | return PackageManager.PERMISSION_GRANTED; |
| 354 | } |
| 355 | } else { |
| 356 | return PackageManager.PERMISSION_GRANTED; |
| 357 | } |
| 358 | } |
Hongwei Wang | f391b55 | 2018-04-06 13:52:46 -0700 | [diff] [blame] | 359 | if (isImpliedPermissionGranted(permissionsState, permName, userId)) { |
Todd Kennedy | 3bc9472 | 2017-10-10 09:55:53 -0700 | [diff] [blame] | 360 | return PackageManager.PERMISSION_GRANTED; |
| 361 | } |
| 362 | } else { |
| 363 | ArraySet<String> perms = mSystemPermissions.get(uid); |
| 364 | if (perms != null) { |
| 365 | if (perms.contains(permName)) { |
| 366 | return PackageManager.PERMISSION_GRANTED; |
| 367 | } |
Hongwei Wang | f391b55 | 2018-04-06 13:52:46 -0700 | [diff] [blame] | 368 | if (FULLER_PERMISSION_MAP.containsKey(permName) |
| 369 | && perms.contains(FULLER_PERMISSION_MAP.get(permName))) { |
Todd Kennedy | 3bc9472 | 2017-10-10 09:55:53 -0700 | [diff] [blame] | 370 | return PackageManager.PERMISSION_GRANTED; |
| 371 | } |
| 372 | } |
| 373 | } |
| 374 | return PackageManager.PERMISSION_DENIED; |
| 375 | } |
| 376 | |
Hongwei Wang | f391b55 | 2018-04-06 13:52:46 -0700 | [diff] [blame] | 377 | /** |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 378 | * Get the state of the runtime permissions as xml file. |
| 379 | * |
| 380 | * <p>Can not be called on main thread. |
| 381 | * |
| 382 | * @param user The user the data should be extracted for |
| 383 | * |
| 384 | * @return The state as a xml file |
| 385 | */ |
| 386 | private @Nullable byte[] backupRuntimePermissions(@NonNull UserHandle user) { |
| 387 | CompletableFuture<byte[]> backup = new CompletableFuture<>(); |
| 388 | mPermissionControllerManager.getRuntimePermissionBackup(user, mContext.getMainExecutor(), |
| 389 | backup::complete); |
| 390 | |
| 391 | try { |
| 392 | return backup.get(BACKUP_TIMEOUT_MILLIS, TimeUnit.MILLISECONDS); |
| 393 | } catch (InterruptedException | ExecutionException | TimeoutException e) { |
| 394 | Slog.e(TAG, "Cannot create permission backup for " + user, e); |
| 395 | return null; |
| 396 | } |
| 397 | } |
| 398 | |
| 399 | /** |
| 400 | * Restore a permission state previously backed up via {@link #backupRuntimePermissions}. |
| 401 | * |
| 402 | * <p>If not all state can be restored, the un-appliable state will be delayed and can be |
| 403 | * applied via {@link #restoreDelayedRuntimePermissions}. |
| 404 | * |
| 405 | * @param backup The state as an xml file |
| 406 | * @param user The user the data should be restored for |
| 407 | */ |
| 408 | private void restoreRuntimePermissions(@NonNull byte[] backup, @NonNull UserHandle user) { |
| 409 | synchronized (mLock) { |
| 410 | mHasNoDelayedPermBackup.delete(user.getIdentifier()); |
| 411 | mPermissionControllerManager.restoreRuntimePermissionBackup(backup, user); |
| 412 | } |
| 413 | } |
| 414 | |
| 415 | /** |
| 416 | * Try to apply permission backup that was previously not applied. |
| 417 | * |
| 418 | * <p>Can not be called on main thread. |
| 419 | * |
| 420 | * @param packageName The package that is newly installed |
| 421 | * @param user The user the package is installed for |
| 422 | * |
| 423 | * @see #restoreRuntimePermissions |
| 424 | */ |
| 425 | private void restoreDelayedRuntimePermissions(@NonNull String packageName, |
| 426 | @NonNull UserHandle user) { |
| 427 | synchronized (mLock) { |
| 428 | if (mHasNoDelayedPermBackup.get(user.getIdentifier(), false)) { |
| 429 | return; |
| 430 | } |
| 431 | |
| 432 | mPermissionControllerManager.restoreDelayedRuntimePermissionBackup(packageName, user, |
| 433 | mContext.getMainExecutor(), (hasMoreBackup) -> { |
| 434 | if (hasMoreBackup) { |
| 435 | return; |
| 436 | } |
| 437 | |
| 438 | synchronized (mLock) { |
| 439 | mHasNoDelayedPermBackup.put(user.getIdentifier(), true); |
| 440 | } |
| 441 | }); |
| 442 | } |
| 443 | } |
| 444 | |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 445 | private void addOnRuntimePermissionStateChangedListener(@NonNull |
| 446 | OnRuntimePermissionStateChangedListener listener) { |
| 447 | synchronized (mLock) { |
| 448 | mRuntimePermissionStateChangedListeners.add(listener); |
| 449 | } |
| 450 | } |
| 451 | |
| 452 | private void removeOnRuntimePermissionStateChangedListener(@NonNull |
| 453 | OnRuntimePermissionStateChangedListener listener) { |
| 454 | synchronized (mLock) { |
| 455 | mRuntimePermissionStateChangedListeners.remove(listener); |
| 456 | } |
| 457 | } |
| 458 | |
| 459 | private void notifyRuntimePermissionStateChanged(@NonNull String packageName, |
| 460 | @UserIdInt int userId) { |
| 461 | FgThread.getHandler().sendMessage(PooledLambda.obtainMessage |
| 462 | (PermissionManagerService::doNotifyRuntimePermissionStateChanged, |
| 463 | PermissionManagerService.this, packageName, userId)); |
| 464 | } |
| 465 | |
| 466 | private void doNotifyRuntimePermissionStateChanged(@NonNull String packageName, |
| 467 | @UserIdInt int userId) { |
| 468 | final ArrayList<OnRuntimePermissionStateChangedListener> listeners; |
| 469 | synchronized (mLock) { |
| 470 | if (mRuntimePermissionStateChangedListeners.isEmpty()) { |
| 471 | return; |
| 472 | } |
| 473 | listeners = new ArrayList<>(mRuntimePermissionStateChangedListeners); |
| 474 | } |
| 475 | final int listenerCount = listeners.size(); |
| 476 | for (int i = 0; i < listenerCount; i++) { |
| 477 | listeners.get(i).onRuntimePermissionStateChanged(packageName, userId); |
| 478 | } |
| 479 | } |
| 480 | |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 481 | /** |
Hongwei Wang | f391b55 | 2018-04-06 13:52:46 -0700 | [diff] [blame] | 482 | * Returns {@code true} if the permission can be implied from another granted permission. |
| 483 | * <p>Some permissions, such as ACCESS_FINE_LOCATION, imply other permissions, |
| 484 | * such as ACCESS_COURSE_LOCATION. If the caller holds an umbrella permission, give |
| 485 | * it access to any implied permissions. |
| 486 | */ |
| 487 | private static boolean isImpliedPermissionGranted(PermissionsState permissionsState, |
| 488 | String permName, int userId) { |
| 489 | return FULLER_PERMISSION_MAP.containsKey(permName) |
| 490 | && permissionsState.hasPermission(FULLER_PERMISSION_MAP.get(permName), userId); |
| 491 | } |
| 492 | |
Todd Kennedy | 460f28c | 2017-10-06 13:46:22 -0700 | [diff] [blame] | 493 | private PermissionGroupInfo getPermissionGroupInfo(String groupName, int flags, |
| 494 | int callingUid) { |
| 495 | if (mPackageManagerInt.getInstantAppPackageName(callingUid) != null) { |
| 496 | return null; |
| 497 | } |
| 498 | synchronized (mLock) { |
| 499 | return PackageParser.generatePermissionGroupInfo( |
| 500 | mSettings.mPermissionGroups.get(groupName), flags); |
| 501 | } |
| 502 | } |
| 503 | |
| 504 | private List<PermissionGroupInfo> getAllPermissionGroups(int flags, int callingUid) { |
| 505 | if (mPackageManagerInt.getInstantAppPackageName(callingUid) != null) { |
| 506 | return null; |
| 507 | } |
| 508 | synchronized (mLock) { |
| 509 | final int N = mSettings.mPermissionGroups.size(); |
| 510 | final ArrayList<PermissionGroupInfo> out |
| 511 | = new ArrayList<PermissionGroupInfo>(N); |
| 512 | for (PackageParser.PermissionGroup pg : mSettings.mPermissionGroups.values()) { |
| 513 | out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); |
| 514 | } |
| 515 | return out; |
| 516 | } |
| 517 | } |
| 518 | |
| 519 | private PermissionInfo getPermissionInfo(String permName, String packageName, int flags, |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 520 | int callingUid) { |
| 521 | if (mPackageManagerInt.getInstantAppPackageName(callingUid) != null) { |
| 522 | return null; |
| 523 | } |
| 524 | // reader |
| 525 | synchronized (mLock) { |
Todd Kennedy | 460f28c | 2017-10-06 13:46:22 -0700 | [diff] [blame] | 526 | final BasePermission bp = mSettings.getPermissionLocked(permName); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 527 | if (bp == null) { |
| 528 | return null; |
| 529 | } |
| 530 | final int adjustedProtectionLevel = adjustPermissionProtectionFlagsLocked( |
| 531 | bp.getProtectionLevel(), packageName, callingUid); |
| 532 | return bp.generatePermissionInfo(adjustedProtectionLevel, flags); |
| 533 | } |
| 534 | } |
| 535 | |
| 536 | private List<PermissionInfo> getPermissionInfoByGroup( |
| 537 | String groupName, int flags, int callingUid) { |
| 538 | if (mPackageManagerInt.getInstantAppPackageName(callingUid) != null) { |
| 539 | return null; |
| 540 | } |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 541 | synchronized (mLock) { |
Todd Kennedy | 460f28c | 2017-10-06 13:46:22 -0700 | [diff] [blame] | 542 | if (groupName != null && !mSettings.mPermissionGroups.containsKey(groupName)) { |
| 543 | return null; |
| 544 | } |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 545 | final ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 546 | for (BasePermission bp : mSettings.mPermissions.values()) { |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 547 | final PermissionInfo pi = bp.generatePermissionInfo(groupName, flags); |
| 548 | if (pi != null) { |
| 549 | out.add(pi); |
| 550 | } |
| 551 | } |
| 552 | return out; |
| 553 | } |
| 554 | } |
| 555 | |
| 556 | private int adjustPermissionProtectionFlagsLocked( |
| 557 | int protectionLevel, String packageName, int uid) { |
| 558 | // Signature permission flags area always reported |
| 559 | final int protectionLevelMasked = protectionLevel |
| 560 | & (PermissionInfo.PROTECTION_NORMAL |
| 561 | | PermissionInfo.PROTECTION_DANGEROUS |
| 562 | | PermissionInfo.PROTECTION_SIGNATURE); |
| 563 | if (protectionLevelMasked == PermissionInfo.PROTECTION_SIGNATURE) { |
| 564 | return protectionLevel; |
| 565 | } |
| 566 | // System sees all flags. |
| 567 | final int appId = UserHandle.getAppId(uid); |
| 568 | if (appId == Process.SYSTEM_UID || appId == Process.ROOT_UID |
| 569 | || appId == Process.SHELL_UID) { |
| 570 | return protectionLevel; |
| 571 | } |
| 572 | // Normalize package name to handle renamed packages and static libs |
| 573 | final PackageParser.Package pkg = mPackageManagerInt.getPackage(packageName); |
| 574 | if (pkg == null) { |
| 575 | return protectionLevel; |
| 576 | } |
| 577 | if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.O) { |
| 578 | return protectionLevelMasked; |
| 579 | } |
| 580 | // Apps that target O see flags for all protection levels. |
| 581 | final PackageSetting ps = (PackageSetting) pkg.mExtras; |
| 582 | if (ps == null) { |
| 583 | return protectionLevel; |
| 584 | } |
| 585 | if (ps.getAppId() != appId) { |
| 586 | return protectionLevel; |
| 587 | } |
| 588 | return protectionLevel; |
| 589 | } |
| 590 | |
Philip P. Moltmann | fae8a528 | 2018-04-10 12:15:32 -0700 | [diff] [blame] | 591 | /** |
| 592 | * We might auto-grant permissions if any permission of the group is already granted. Hence if |
| 593 | * the group of a granted permission changes we need to revoke it to avoid having permissions of |
| 594 | * the new group auto-granted. |
| 595 | * |
| 596 | * @param newPackage The new package that was installed |
| 597 | * @param oldPackage The old package that was updated |
| 598 | * @param allPackageNames All package names |
| 599 | * @param permissionCallback Callback for permission changed |
| 600 | */ |
| 601 | private void revokeRuntimePermissionsIfGroupChanged( |
| 602 | @NonNull PackageParser.Package newPackage, |
| 603 | @NonNull PackageParser.Package oldPackage, |
| 604 | @NonNull ArrayList<String> allPackageNames, |
| 605 | @NonNull PermissionCallback permissionCallback) { |
| 606 | final int numOldPackagePermissions = oldPackage.permissions.size(); |
| 607 | final ArrayMap<String, String> oldPermissionNameToGroupName |
| 608 | = new ArrayMap<>(numOldPackagePermissions); |
| 609 | |
| 610 | for (int i = 0; i < numOldPackagePermissions; i++) { |
| 611 | final PackageParser.Permission permission = oldPackage.permissions.get(i); |
| 612 | |
| 613 | if (permission.group != null) { |
| 614 | oldPermissionNameToGroupName.put(permission.info.name, |
| 615 | permission.group.info.name); |
| 616 | } |
| 617 | } |
| 618 | |
| 619 | final int numNewPackagePermissions = newPackage.permissions.size(); |
| 620 | for (int newPermissionNum = 0; newPermissionNum < numNewPackagePermissions; |
| 621 | newPermissionNum++) { |
| 622 | final PackageParser.Permission newPermission = |
| 623 | newPackage.permissions.get(newPermissionNum); |
| 624 | final int newProtection = newPermission.info.getProtection(); |
| 625 | |
| 626 | if ((newProtection & PermissionInfo.PROTECTION_DANGEROUS) != 0) { |
| 627 | final String permissionName = newPermission.info.name; |
| 628 | final String newPermissionGroupName = |
| 629 | newPermission.group == null ? null : newPermission.group.info.name; |
| 630 | final String oldPermissionGroupName = oldPermissionNameToGroupName.get( |
| 631 | permissionName); |
| 632 | |
| 633 | if (newPermissionGroupName != null |
| 634 | && !newPermissionGroupName.equals(oldPermissionGroupName)) { |
| 635 | final int[] userIds = mUserManagerInt.getUserIds(); |
| 636 | final int numUserIds = userIds.length; |
| 637 | for (int userIdNum = 0; userIdNum < numUserIds; userIdNum++) { |
| 638 | final int userId = userIds[userIdNum]; |
| 639 | |
| 640 | final int numPackages = allPackageNames.size(); |
| 641 | for (int packageNum = 0; packageNum < numPackages; packageNum++) { |
| 642 | final String packageName = allPackageNames.get(packageNum); |
| 643 | |
| 644 | if (checkPermission(permissionName, packageName, UserHandle.USER_SYSTEM, |
| 645 | userId) == PackageManager.PERMISSION_GRANTED) { |
| 646 | EventLog.writeEvent(0x534e4554, "72710897", |
| 647 | newPackage.applicationInfo.uid, |
Koji Fukui | acae3ef | 2018-05-09 11:38:01 +0900 | [diff] [blame] | 648 | "Revoking permission " + permissionName + |
| 649 | " from package " + packageName + |
| 650 | " as the group changed from " + oldPermissionGroupName + |
| 651 | " to " + newPermissionGroupName); |
Philip P. Moltmann | fae8a528 | 2018-04-10 12:15:32 -0700 | [diff] [blame] | 652 | |
| 653 | try { |
Hongming Jin | ae750fb | 2018-09-27 23:00:20 +0000 | [diff] [blame] | 654 | revokeRuntimePermission(permissionName, packageName, false, |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 655 | userId, permissionCallback); |
Philip P. Moltmann | fae8a528 | 2018-04-10 12:15:32 -0700 | [diff] [blame] | 656 | } catch (IllegalArgumentException e) { |
| 657 | Slog.e(TAG, "Could not revoke " + permissionName + " from " |
| 658 | + packageName, e); |
| 659 | } |
| 660 | } |
| 661 | } |
| 662 | } |
| 663 | } |
| 664 | } |
| 665 | } |
| 666 | } |
| 667 | |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 668 | private void addAllPermissions(PackageParser.Package pkg, boolean chatty) { |
| 669 | final int N = pkg.permissions.size(); |
| 670 | for (int i=0; i<N; i++) { |
| 671 | PackageParser.Permission p = pkg.permissions.get(i); |
| 672 | |
| 673 | // Assume by default that we did not install this permission into the system. |
| 674 | p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; |
| 675 | |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 676 | synchronized (PermissionManagerService.this.mLock) { |
Todd Kennedy | 460f28c | 2017-10-06 13:46:22 -0700 | [diff] [blame] | 677 | // Now that permission groups have a special meaning, we ignore permission |
| 678 | // groups for legacy apps to prevent unexpected behavior. In particular, |
| 679 | // permissions for one app being granted to someone just because they happen |
| 680 | // to be in a group defined by another app (before this had no implications). |
| 681 | if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { |
| 682 | p.group = mSettings.mPermissionGroups.get(p.info.group); |
| 683 | // Warn for a permission in an unknown group. |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 684 | if (DEBUG_PERMISSIONS |
Todd Kennedy | 460f28c | 2017-10-06 13:46:22 -0700 | [diff] [blame] | 685 | && p.info.group != null && p.group == null) { |
| 686 | Slog.i(TAG, "Permission " + p.info.name + " from package " |
| 687 | + p.info.packageName + " in an unknown group " + p.info.group); |
| 688 | } |
| 689 | } |
| 690 | |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 691 | if (p.tree) { |
| 692 | final BasePermission bp = BasePermission.createOrUpdate( |
| 693 | mSettings.getPermissionTreeLocked(p.info.name), p, pkg, |
| 694 | mSettings.getAllPermissionTreesLocked(), chatty); |
| 695 | mSettings.putPermissionTreeLocked(p.info.name, bp); |
| 696 | } else { |
| 697 | final BasePermission bp = BasePermission.createOrUpdate( |
| 698 | mSettings.getPermissionLocked(p.info.name), |
| 699 | p, pkg, mSettings.getAllPermissionTreesLocked(), chatty); |
| 700 | mSettings.putPermissionLocked(p.info.name, bp); |
| 701 | } |
| 702 | } |
| 703 | } |
| 704 | } |
| 705 | |
Todd Kennedy | 460f28c | 2017-10-06 13:46:22 -0700 | [diff] [blame] | 706 | private void addAllPermissionGroups(PackageParser.Package pkg, boolean chatty) { |
| 707 | final int N = pkg.permissionGroups.size(); |
| 708 | StringBuilder r = null; |
| 709 | for (int i=0; i<N; i++) { |
| 710 | final PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); |
| 711 | final PackageParser.PermissionGroup cur = mSettings.mPermissionGroups.get(pg.info.name); |
| 712 | final String curPackageName = (cur == null) ? null : cur.info.packageName; |
| 713 | final boolean isPackageUpdate = pg.info.packageName.equals(curPackageName); |
| 714 | if (cur == null || isPackageUpdate) { |
| 715 | mSettings.mPermissionGroups.put(pg.info.name, pg); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 716 | if (chatty && DEBUG_PACKAGE_SCANNING) { |
Todd Kennedy | 460f28c | 2017-10-06 13:46:22 -0700 | [diff] [blame] | 717 | if (r == null) { |
| 718 | r = new StringBuilder(256); |
| 719 | } else { |
| 720 | r.append(' '); |
| 721 | } |
| 722 | if (isPackageUpdate) { |
| 723 | r.append("UPD:"); |
| 724 | } |
| 725 | r.append(pg.info.name); |
| 726 | } |
| 727 | } else { |
| 728 | Slog.w(TAG, "Permission group " + pg.info.name + " from package " |
| 729 | + pg.info.packageName + " ignored: original from " |
| 730 | + cur.info.packageName); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 731 | if (chatty && DEBUG_PACKAGE_SCANNING) { |
Todd Kennedy | 460f28c | 2017-10-06 13:46:22 -0700 | [diff] [blame] | 732 | if (r == null) { |
| 733 | r = new StringBuilder(256); |
| 734 | } else { |
| 735 | r.append(' '); |
| 736 | } |
| 737 | r.append("DUP:"); |
| 738 | r.append(pg.info.name); |
| 739 | } |
| 740 | } |
| 741 | } |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 742 | if (r != null && DEBUG_PACKAGE_SCANNING) { |
Todd Kennedy | 460f28c | 2017-10-06 13:46:22 -0700 | [diff] [blame] | 743 | Log.d(TAG, " Permission Groups: " + r); |
| 744 | } |
| 745 | |
| 746 | } |
| 747 | |
Hongming Jin | ae750fb | 2018-09-27 23:00:20 +0000 | [diff] [blame] | 748 | private void removeAllPermissions(PackageParser.Package pkg, boolean chatty) { |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 749 | synchronized (mLock) { |
| 750 | int N = pkg.permissions.size(); |
| 751 | StringBuilder r = null; |
| 752 | for (int i=0; i<N; i++) { |
| 753 | PackageParser.Permission p = pkg.permissions.get(i); |
| 754 | BasePermission bp = (BasePermission) mSettings.mPermissions.get(p.info.name); |
| 755 | if (bp == null) { |
| 756 | bp = mSettings.mPermissionTrees.get(p.info.name); |
| 757 | } |
| 758 | if (bp != null && bp.isPermission(p)) { |
| 759 | bp.setPermission(null); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 760 | if (DEBUG_REMOVE && chatty) { |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 761 | if (r == null) { |
| 762 | r = new StringBuilder(256); |
| 763 | } else { |
| 764 | r.append(' '); |
| 765 | } |
| 766 | r.append(p.info.name); |
| 767 | } |
| 768 | } |
| 769 | if (p.isAppOp()) { |
| 770 | ArraySet<String> appOpPkgs = |
| 771 | mSettings.mAppOpPermissionPackages.get(p.info.name); |
| 772 | if (appOpPkgs != null) { |
| 773 | appOpPkgs.remove(pkg.packageName); |
| 774 | } |
| 775 | } |
| 776 | } |
| 777 | if (r != null) { |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 778 | if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 779 | } |
| 780 | |
| 781 | N = pkg.requestedPermissions.size(); |
| 782 | r = null; |
| 783 | for (int i=0; i<N; i++) { |
| 784 | String perm = pkg.requestedPermissions.get(i); |
| 785 | if (mSettings.isPermissionAppOp(perm)) { |
| 786 | ArraySet<String> appOpPkgs = mSettings.mAppOpPermissionPackages.get(perm); |
| 787 | if (appOpPkgs != null) { |
| 788 | appOpPkgs.remove(pkg.packageName); |
| 789 | if (appOpPkgs.isEmpty()) { |
| 790 | mSettings.mAppOpPermissionPackages.remove(perm); |
| 791 | } |
| 792 | } |
| 793 | } |
| 794 | } |
| 795 | if (r != null) { |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 796 | if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 797 | } |
| 798 | } |
| 799 | } |
| 800 | |
| 801 | private boolean addDynamicPermission( |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 802 | PermissionInfo info, int callingUid, PermissionCallback callback) { |
| 803 | if (mPackageManagerInt.getInstantAppPackageName(callingUid) != null) { |
| 804 | throw new SecurityException("Instant apps can't add permissions"); |
| 805 | } |
| 806 | if (info.labelRes == 0 && info.nonLocalizedLabel == null) { |
| 807 | throw new SecurityException("Label must be specified in permission"); |
| 808 | } |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 809 | final BasePermission tree = mSettings.enforcePermissionTree(info.name, callingUid); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 810 | final boolean added; |
| 811 | final boolean changed; |
| 812 | synchronized (mLock) { |
| 813 | BasePermission bp = mSettings.getPermissionLocked(info.name); |
| 814 | added = bp == null; |
| 815 | int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); |
| 816 | if (added) { |
| 817 | enforcePermissionCapLocked(info, tree); |
| 818 | bp = new BasePermission(info.name, tree.getSourcePackageName(), |
| 819 | BasePermission.TYPE_DYNAMIC); |
Svet Ganov | 2808cbc | 2018-05-09 15:27:43 -0700 | [diff] [blame] | 820 | } else if (!bp.isDynamic()) { |
| 821 | throw new SecurityException("Not allowed to modify non-dynamic permission " |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 822 | + info.name); |
| 823 | } |
| 824 | changed = bp.addToTree(fixedLevel, info, tree); |
| 825 | if (added) { |
| 826 | mSettings.putPermissionLocked(info.name, bp); |
| 827 | } |
| 828 | } |
| 829 | if (changed && callback != null) { |
| 830 | callback.onPermissionChanged(); |
| 831 | } |
| 832 | return added; |
| 833 | } |
| 834 | |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 835 | private void removeDynamicPermission( |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 836 | String permName, int callingUid, PermissionCallback callback) { |
| 837 | if (mPackageManagerInt.getInstantAppPackageName(callingUid) != null) { |
| 838 | throw new SecurityException("Instant applications don't have access to this method"); |
| 839 | } |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 840 | final BasePermission tree = mSettings.enforcePermissionTree(permName, callingUid); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 841 | synchronized (mLock) { |
| 842 | final BasePermission bp = mSettings.getPermissionLocked(permName); |
| 843 | if (bp == null) { |
| 844 | return; |
| 845 | } |
| 846 | if (bp.isDynamic()) { |
Jeff Sharkey | 4dc5052 | 2017-10-17 15:29:41 -0600 | [diff] [blame] | 847 | // TODO: switch this back to SecurityException |
| 848 | Slog.wtf(TAG, "Not allowed to modify non-dynamic permission " |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 849 | + permName); |
| 850 | } |
| 851 | mSettings.removePermissionLocked(permName); |
| 852 | if (callback != null) { |
| 853 | callback.onPermissionRemoved(); |
| 854 | } |
| 855 | } |
| 856 | } |
| 857 | |
Philip P. Moltmann | e0f00ea | 2018-10-30 10:43:15 -0700 | [diff] [blame] | 858 | /** |
| 859 | * Restore the permission state for a package. |
| 860 | * |
| 861 | * <ul> |
| 862 | * <li>During boot the state gets restored from the disk</li> |
| 863 | * <li>During app update the state gets restored from the last version of the app</li> |
| 864 | * </ul> |
| 865 | * |
| 866 | * <p>This restores the permission state for all users. |
| 867 | * |
| 868 | * @param pkg the package the permissions belong to |
| 869 | * @param replace if the package is getting replaced (this might change the requested |
| 870 | * permissions of this package) |
| 871 | * @param packageOfInterest If this is the name of {@code pkg} add extra logging |
| 872 | * @param callback Result call back |
| 873 | */ |
| 874 | private void restorePermissionState(@NonNull PackageParser.Package pkg, boolean replace, |
| 875 | @Nullable String packageOfInterest, @Nullable PermissionCallback callback) { |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 876 | // IMPORTANT: There are two types of permissions: install and runtime. |
| 877 | // Install time permissions are granted when the app is installed to |
| 878 | // all device users and users added in the future. Runtime permissions |
| 879 | // are granted at runtime explicitly to specific users. Normal and signature |
| 880 | // protected permissions are install time permissions. Dangerous permissions |
| 881 | // are install permissions if the app's target SDK is Lollipop MR1 or older, |
| 882 | // otherwise they are runtime permissions. This function does not manage |
| 883 | // runtime permissions except for the case an app targeting Lollipop MR1 |
| 884 | // being upgraded to target a newer SDK, in which case dangerous permissions |
| 885 | // are transformed from install time to runtime ones. |
| 886 | |
| 887 | final PackageSetting ps = (PackageSetting) pkg.mExtras; |
| 888 | if (ps == null) { |
| 889 | return; |
| 890 | } |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 891 | |
| 892 | final PermissionsState permissionsState = ps.getPermissionsState(); |
| 893 | PermissionsState origPermissions = permissionsState; |
| 894 | |
| 895 | final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); |
| 896 | |
| 897 | boolean runtimePermissionsRevoked = false; |
| 898 | int[] updatedUserIds = EMPTY_INT_ARRAY; |
| 899 | |
| 900 | boolean changedInstallPermission = false; |
| 901 | |
| 902 | if (replace) { |
| 903 | ps.setInstallPermissionsFixed(false); |
| 904 | if (!ps.isSharedUser()) { |
| 905 | origPermissions = new PermissionsState(permissionsState); |
| 906 | permissionsState.reset(); |
| 907 | } else { |
| 908 | // We need to know only about runtime permission changes since the |
| 909 | // calling code always writes the install permissions state but |
| 910 | // the runtime ones are written only if changed. The only cases of |
| 911 | // changed runtime permissions here are promotion of an install to |
| 912 | // runtime and revocation of a runtime from a shared user. |
| 913 | synchronized (mLock) { |
| 914 | updatedUserIds = revokeUnusedSharedUserPermissionsLocked( |
| 915 | ps.getSharedUser(), UserManagerService.getInstance().getUserIds()); |
| 916 | if (!ArrayUtils.isEmpty(updatedUserIds)) { |
| 917 | runtimePermissionsRevoked = true; |
| 918 | } |
| 919 | } |
| 920 | } |
| 921 | } |
| 922 | |
| 923 | permissionsState.setGlobalGids(mGlobalGids); |
| 924 | |
| 925 | synchronized (mLock) { |
Philip P. Moltmann | e123319 | 2019-04-18 08:45:55 -0700 | [diff] [blame] | 926 | ArraySet<String> newImplicitPermissions = new ArraySet<>(); |
| 927 | |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 928 | final int N = pkg.requestedPermissions.size(); |
| 929 | for (int i = 0; i < N; i++) { |
| 930 | final String permName = pkg.requestedPermissions.get(i); |
| 931 | final BasePermission bp = mSettings.getPermissionLocked(permName); |
| 932 | final boolean appSupportsRuntimePermissions = |
| 933 | pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M; |
Zimuzo | e641140 | 2019-05-13 16:32:57 +0100 | [diff] [blame] | 934 | String upgradedActivityRecognitionPermission = null; |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 935 | |
| 936 | if (DEBUG_INSTALL) { |
| 937 | Log.i(TAG, "Package " + pkg.packageName + " checking " + permName + ": " + bp); |
| 938 | } |
| 939 | |
| 940 | if (bp == null || bp.getSourcePackageSetting() == null) { |
| 941 | if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { |
| 942 | if (DEBUG_PERMISSIONS) { |
| 943 | Slog.i(TAG, "Unknown permission " + permName |
| 944 | + " in package " + pkg.packageName); |
| 945 | } |
| 946 | } |
| 947 | continue; |
| 948 | } |
| 949 | |
Philip P. Moltmann | e123319 | 2019-04-18 08:45:55 -0700 | [diff] [blame] | 950 | // Cache newImplicitPermissions before modifing permissionsState as for the shared |
| 951 | // uids the original and new state are the same object |
| 952 | if (!origPermissions.hasRequestedPermission(permName) |
Zimuzo | e641140 | 2019-05-13 16:32:57 +0100 | [diff] [blame] | 953 | && (pkg.implicitPermissions.contains(permName) |
| 954 | || (permName.equals(Manifest.permission.ACTIVITY_RECOGNITION)))) { |
| 955 | if (pkg.implicitPermissions.contains(permName)) { |
| 956 | // If permName is an implicit permission, try to auto-grant |
| 957 | newImplicitPermissions.add(permName); |
Philip P. Moltmann | e123319 | 2019-04-18 08:45:55 -0700 | [diff] [blame] | 958 | |
Zimuzo | e641140 | 2019-05-13 16:32:57 +0100 | [diff] [blame] | 959 | if (DEBUG_PERMISSIONS) { |
| 960 | Slog.i(TAG, permName + " is newly added for " + pkg.packageName); |
| 961 | } |
| 962 | } else { |
| 963 | // Special case for Activity Recognition permission. Even if AR permission |
| 964 | // is not an implicit permission we want to add it to the list (try to |
| 965 | // auto-grant it) if the app was installed on a device before AR permission |
| 966 | // was split, regardless of if the app now requests the new AR permission |
| 967 | // or has updated its target SDK and AR is no longer implicit to it. |
| 968 | // This is a compatibility workaround for apps when AR permission was |
| 969 | // split in Q. |
Anthony Hugh | 6f5eadc | 2019-08-22 15:35:48 -0700 | [diff] [blame] | 970 | final List<PermissionManager.SplitPermissionInfo> permissionList = |
| 971 | getSplitPermissions(); |
| 972 | int numSplitPerms = permissionList.size(); |
Zimuzo | e641140 | 2019-05-13 16:32:57 +0100 | [diff] [blame] | 973 | for (int splitPermNum = 0; splitPermNum < numSplitPerms; splitPermNum++) { |
| 974 | PermissionManager.SplitPermissionInfo sp = |
Anthony Hugh | 6f5eadc | 2019-08-22 15:35:48 -0700 | [diff] [blame] | 975 | permissionList.get(splitPermNum); |
Zimuzo | e641140 | 2019-05-13 16:32:57 +0100 | [diff] [blame] | 976 | String splitPermName = sp.getSplitPermission(); |
| 977 | if (sp.getNewPermissions().contains(permName) |
| 978 | && origPermissions.hasInstallPermission(splitPermName)) { |
| 979 | upgradedActivityRecognitionPermission = splitPermName; |
| 980 | newImplicitPermissions.add(permName); |
| 981 | |
| 982 | if (DEBUG_PERMISSIONS) { |
| 983 | Slog.i(TAG, permName + " is newly added for " |
| 984 | + pkg.packageName); |
| 985 | } |
| 986 | break; |
| 987 | } |
| 988 | } |
Philip P. Moltmann | e123319 | 2019-04-18 08:45:55 -0700 | [diff] [blame] | 989 | } |
| 990 | } |
| 991 | |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 992 | // Limit ephemeral apps to ephemeral allowed permissions. |
| 993 | if (pkg.applicationInfo.isInstantApp() && !bp.isInstant()) { |
| 994 | if (DEBUG_PERMISSIONS) { |
| 995 | Log.i(TAG, "Denying non-ephemeral permission " + bp.getName() |
| 996 | + " for package " + pkg.packageName); |
| 997 | } |
| 998 | continue; |
| 999 | } |
| 1000 | |
| 1001 | if (bp.isRuntimeOnly() && !appSupportsRuntimePermissions) { |
| 1002 | if (DEBUG_PERMISSIONS) { |
| 1003 | Log.i(TAG, "Denying runtime-only permission " + bp.getName() |
| 1004 | + " for package " + pkg.packageName); |
| 1005 | } |
| 1006 | continue; |
| 1007 | } |
| 1008 | |
| 1009 | final String perm = bp.getName(); |
| 1010 | boolean allowedSig = false; |
| 1011 | int grant = GRANT_DENIED; |
| 1012 | |
| 1013 | // Keep track of app op permissions. |
| 1014 | if (bp.isAppOp()) { |
| 1015 | mSettings.addAppOpPackage(perm, pkg.packageName); |
| 1016 | } |
| 1017 | |
| 1018 | if (bp.isNormal()) { |
| 1019 | // For all apps normal permissions are install time ones. |
| 1020 | grant = GRANT_INSTALL; |
| 1021 | } else if (bp.isRuntime()) { |
Zimuzo | e641140 | 2019-05-13 16:32:57 +0100 | [diff] [blame] | 1022 | if (origPermissions.hasInstallPermission(bp.getName()) |
| 1023 | || upgradedActivityRecognitionPermission != null) { |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 1024 | // Before Q we represented some runtime permissions as install permissions, |
| 1025 | // in Q we cannot do this anymore. Hence upgrade them all. |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 1026 | grant = GRANT_UPGRADE; |
| 1027 | } else { |
| 1028 | // For modern apps keep runtime permissions unchanged. |
| 1029 | grant = GRANT_RUNTIME; |
| 1030 | } |
| 1031 | } else if (bp.isSignature()) { |
| 1032 | // For all apps signature permissions are install time ones. |
| 1033 | allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); |
| 1034 | if (allowedSig) { |
| 1035 | grant = GRANT_INSTALL; |
| 1036 | } |
| 1037 | } |
| 1038 | |
| 1039 | if (DEBUG_PERMISSIONS) { |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 1040 | Slog.i(TAG, "Considering granting permission " + perm + " to package " |
| 1041 | + pkg.packageName); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 1042 | } |
| 1043 | |
| 1044 | if (grant != GRANT_DENIED) { |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 1045 | if (!ps.isSystem() && ps.areInstallPermissionsFixed() && !bp.isRuntime()) { |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 1046 | // If this is an existing, non-system package, then |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 1047 | // we can't add any new permissions to it. Runtime |
| 1048 | // permissions can be added any time - they ad dynamic. |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 1049 | if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { |
| 1050 | // Except... if this is a permission that was added |
| 1051 | // to the platform (note: need to only do this when |
| 1052 | // updating the platform). |
| 1053 | if (!isNewPlatformPermissionForPackage(perm, pkg)) { |
| 1054 | grant = GRANT_DENIED; |
| 1055 | } |
| 1056 | } |
| 1057 | } |
| 1058 | |
| 1059 | switch (grant) { |
| 1060 | case GRANT_INSTALL: { |
| 1061 | // Revoke this as runtime permission to handle the case of |
| 1062 | // a runtime permission being downgraded to an install one. |
| 1063 | // Also in permission review mode we keep dangerous permissions |
| 1064 | // for legacy apps |
| 1065 | for (int userId : UserManagerService.getInstance().getUserIds()) { |
| 1066 | if (origPermissions.getRuntimePermissionState( |
| 1067 | perm, userId) != null) { |
| 1068 | // Revoke the runtime permission and clear the flags. |
| 1069 | origPermissions.revokeRuntimePermission(bp, userId); |
| 1070 | origPermissions.updatePermissionFlags(bp, userId, |
Philip P. Moltmann | 7659769 | 2019-03-02 13:18:41 -0800 | [diff] [blame] | 1071 | PackageManager.MASK_PERMISSION_FLAGS_ALL, 0); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 1072 | // If we revoked a permission permission, we have to write. |
| 1073 | updatedUserIds = ArrayUtils.appendInt( |
| 1074 | updatedUserIds, userId); |
| 1075 | } |
| 1076 | } |
| 1077 | // Grant an install permission. |
| 1078 | if (permissionsState.grantInstallPermission(bp) != |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 1079 | PERMISSION_OPERATION_FAILURE) { |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 1080 | changedInstallPermission = true; |
| 1081 | } |
| 1082 | } break; |
| 1083 | |
| 1084 | case GRANT_RUNTIME: { |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 1085 | boolean hardRestricted = bp.isHardRestricted(); |
| 1086 | boolean softRestricted = bp.isSoftRestricted(); |
| 1087 | |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 1088 | for (int userId : currentUserIds) { |
Svet Ganov | 0b41c89 | 2019-07-26 17:45:56 -0700 | [diff] [blame] | 1089 | // If permission policy is not ready we don't deal with restricted |
| 1090 | // permissions as the policy may whitelist some permissions. Once |
| 1091 | // the policy is initialized we would re-evaluate permissions. |
| 1092 | final boolean permissionPolicyInitialized = |
| 1093 | mPermissionPolicyInternal != null |
| 1094 | && mPermissionPolicyInternal.isInitialized(userId); |
| 1095 | |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 1096 | PermissionState permState = origPermissions |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 1097 | .getRuntimePermissionState(perm, userId); |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 1098 | int flags = permState != null ? permState.getFlags() : 0; |
| 1099 | |
| 1100 | boolean wasChanged = false; |
| 1101 | |
Svet Ganov | 83a3a4a | 2019-05-03 18:50:43 -0700 | [diff] [blame] | 1102 | boolean restrictionExempt = |
| 1103 | (origPermissions.getPermissionFlags(bp.name, userId) |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 1104 | & FLAGS_PERMISSION_RESTRICTION_ANY_EXEMPT) != 0; |
| 1105 | boolean restrictionApplied = (origPermissions.getPermissionFlags( |
| 1106 | bp.name, userId) & FLAG_PERMISSION_APPLY_RESTRICTION) != 0; |
| 1107 | |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 1108 | if (appSupportsRuntimePermissions) { |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 1109 | // If hard restricted we don't allow holding it |
Svet Ganov | 0b41c89 | 2019-07-26 17:45:56 -0700 | [diff] [blame] | 1110 | if (permissionPolicyInitialized && hardRestricted) { |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 1111 | if (!restrictionExempt) { |
| 1112 | if (permState != null && permState.isGranted() |
| 1113 | && permissionsState.revokeRuntimePermission( |
| 1114 | bp, userId) != PERMISSION_OPERATION_FAILURE) { |
| 1115 | wasChanged = true; |
| 1116 | } |
| 1117 | if (!restrictionApplied) { |
| 1118 | flags |= FLAG_PERMISSION_APPLY_RESTRICTION; |
| 1119 | wasChanged = true; |
| 1120 | } |
| 1121 | } |
| 1122 | // If soft restricted we allow holding in a restricted form |
Svet Ganov | 0b41c89 | 2019-07-26 17:45:56 -0700 | [diff] [blame] | 1123 | } else if (permissionPolicyInitialized && softRestricted) { |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 1124 | // Regardless if granted set the restriction flag as it |
| 1125 | // may affect app treatment based on this permission. |
| 1126 | if (!restrictionExempt && !restrictionApplied) { |
| 1127 | flags |= FLAG_PERMISSION_APPLY_RESTRICTION; |
| 1128 | wasChanged = true; |
| 1129 | } |
| 1130 | } |
| 1131 | |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 1132 | // Remove review flag as it is not necessary anymore |
| 1133 | if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { |
| 1134 | flags &= ~FLAG_PERMISSION_REVIEW_REQUIRED; |
| 1135 | wasChanged = true; |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 1136 | } |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 1137 | |
| 1138 | if ((flags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0) { |
| 1139 | flags &= ~FLAG_PERMISSION_REVOKE_ON_UPGRADE; |
| 1140 | wasChanged = true; |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 1141 | // Hard restricted permissions cannot be held. |
Svet Ganov | 0b41c89 | 2019-07-26 17:45:56 -0700 | [diff] [blame] | 1142 | } else if (!permissionPolicyInitialized |
| 1143 | || (!hardRestricted || restrictionExempt)) { |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 1144 | if (permState != null && permState.isGranted()) { |
| 1145 | if (permissionsState.grantRuntimePermission(bp, userId) |
| 1146 | == PERMISSION_OPERATION_FAILURE) { |
| 1147 | wasChanged = true; |
| 1148 | } |
| 1149 | } |
| 1150 | } |
| 1151 | } else { |
| 1152 | if (permState == null) { |
| 1153 | // New permission |
| 1154 | if (PLATFORM_PACKAGE_NAME.equals( |
| 1155 | bp.getSourcePackageName())) { |
| 1156 | if (!bp.isRemoved()) { |
| 1157 | flags |= FLAG_PERMISSION_REVIEW_REQUIRED |
| 1158 | | FLAG_PERMISSION_REVOKE_ON_UPGRADE; |
| 1159 | wasChanged = true; |
| 1160 | } |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 1161 | } |
| 1162 | } |
| 1163 | |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 1164 | if (!permissionsState.hasRuntimePermission(bp.name, userId) |
| 1165 | && permissionsState.grantRuntimePermission(bp, userId) |
| 1166 | != PERMISSION_OPERATION_FAILURE) { |
| 1167 | wasChanged = true; |
| 1168 | } |
| 1169 | |
| 1170 | // If legacy app always grant the permission but if restricted |
| 1171 | // and not exempt take a note a restriction should be applied. |
Svet Ganov | 0b41c89 | 2019-07-26 17:45:56 -0700 | [diff] [blame] | 1172 | if (permissionPolicyInitialized |
| 1173 | && (hardRestricted || softRestricted) |
| 1174 | && !restrictionExempt && !restrictionApplied) { |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 1175 | flags |= FLAG_PERMISSION_APPLY_RESTRICTION; |
| 1176 | wasChanged = true; |
| 1177 | } |
| 1178 | } |
| 1179 | |
| 1180 | // If unrestricted or restriction exempt, don't apply restriction. |
Svet Ganov | 0b41c89 | 2019-07-26 17:45:56 -0700 | [diff] [blame] | 1181 | if (permissionPolicyInitialized) { |
| 1182 | if (!(hardRestricted || softRestricted) || restrictionExempt) { |
| 1183 | if (restrictionApplied) { |
| 1184 | flags &= ~FLAG_PERMISSION_APPLY_RESTRICTION; |
| 1185 | // Dropping restriction on a legacy app implies a review |
| 1186 | if (!appSupportsRuntimePermissions) { |
| 1187 | flags |= FLAG_PERMISSION_REVIEW_REQUIRED; |
| 1188 | } |
| 1189 | wasChanged = true; |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 1190 | } |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 1191 | } |
| 1192 | } |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 1193 | |
| 1194 | if (wasChanged) { |
| 1195 | updatedUserIds = ArrayUtils.appendInt(updatedUserIds, userId); |
| 1196 | } |
| 1197 | |
Philip P. Moltmann | c6e3a8e | 2019-02-21 13:57:31 -0800 | [diff] [blame] | 1198 | permissionsState.updatePermissionFlags(bp, userId, |
Philip P. Moltmann | 7659769 | 2019-03-02 13:18:41 -0800 | [diff] [blame] | 1199 | MASK_PERMISSION_FLAGS_ALL, flags); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 1200 | } |
| 1201 | } break; |
| 1202 | |
| 1203 | case GRANT_UPGRADE: { |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 1204 | // Upgrade from Pre-Q to Q permission model. Make all permissions |
| 1205 | // runtime |
| 1206 | PermissionState permState = origPermissions |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 1207 | .getInstallPermissionState(perm); |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 1208 | int flags = (permState != null) ? permState.getFlags() : 0; |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 1209 | |
Zimuzo | e641140 | 2019-05-13 16:32:57 +0100 | [diff] [blame] | 1210 | BasePermission bpToRevoke = |
| 1211 | upgradedActivityRecognitionPermission == null |
| 1212 | ? bp : mSettings.getPermissionLocked( |
| 1213 | upgradedActivityRecognitionPermission); |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 1214 | // Remove install permission |
Zimuzo | e641140 | 2019-05-13 16:32:57 +0100 | [diff] [blame] | 1215 | if (origPermissions.revokeInstallPermission(bpToRevoke) |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 1216 | != PERMISSION_OPERATION_FAILURE) { |
Zimuzo | e641140 | 2019-05-13 16:32:57 +0100 | [diff] [blame] | 1217 | origPermissions.updatePermissionFlags(bpToRevoke, |
| 1218 | UserHandle.USER_ALL, |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 1219 | (MASK_PERMISSION_FLAGS_ALL |
| 1220 | & ~FLAG_PERMISSION_APPLY_RESTRICTION), 0); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 1221 | changedInstallPermission = true; |
| 1222 | } |
| 1223 | |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 1224 | boolean hardRestricted = bp.isHardRestricted(); |
| 1225 | boolean softRestricted = bp.isSoftRestricted(); |
| 1226 | |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 1227 | for (int userId : currentUserIds) { |
Svet Ganov | 0b41c89 | 2019-07-26 17:45:56 -0700 | [diff] [blame] | 1228 | // If permission policy is not ready we don't deal with restricted |
| 1229 | // permissions as the policy may whitelist some permissions. Once |
| 1230 | // the policy is initialized we would re-evaluate permissions. |
| 1231 | final boolean permissionPolicyInitialized = |
| 1232 | mPermissionPolicyInternal != null |
| 1233 | && mPermissionPolicyInternal.isInitialized(userId); |
| 1234 | |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 1235 | boolean wasChanged = false; |
| 1236 | |
Svet Ganov | 83a3a4a | 2019-05-03 18:50:43 -0700 | [diff] [blame] | 1237 | boolean restrictionExempt = |
| 1238 | (origPermissions.getPermissionFlags(bp.name, userId) |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 1239 | & FLAGS_PERMISSION_RESTRICTION_ANY_EXEMPT) != 0; |
| 1240 | boolean restrictionApplied = (origPermissions.getPermissionFlags( |
| 1241 | bp.name, userId) & FLAG_PERMISSION_APPLY_RESTRICTION) != 0; |
| 1242 | |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 1243 | if (appSupportsRuntimePermissions) { |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 1244 | // If hard restricted we don't allow holding it |
Svet Ganov | 0b41c89 | 2019-07-26 17:45:56 -0700 | [diff] [blame] | 1245 | if (permissionPolicyInitialized && hardRestricted) { |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 1246 | if (!restrictionExempt) { |
| 1247 | if (permState != null && permState.isGranted() |
| 1248 | && permissionsState.revokeRuntimePermission( |
| 1249 | bp, userId) != PERMISSION_OPERATION_FAILURE) { |
| 1250 | wasChanged = true; |
| 1251 | } |
| 1252 | if (!restrictionApplied) { |
| 1253 | flags |= FLAG_PERMISSION_APPLY_RESTRICTION; |
| 1254 | wasChanged = true; |
| 1255 | } |
| 1256 | } |
| 1257 | // If soft restricted we allow holding in a restricted form |
Svet Ganov | 0b41c89 | 2019-07-26 17:45:56 -0700 | [diff] [blame] | 1258 | } else if (permissionPolicyInitialized && softRestricted) { |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 1259 | // Regardless if granted set the restriction flag as it |
| 1260 | // may affect app treatment based on this permission. |
| 1261 | if (!restrictionExempt && !restrictionApplied) { |
| 1262 | flags |= FLAG_PERMISSION_APPLY_RESTRICTION; |
| 1263 | wasChanged = true; |
| 1264 | } |
| 1265 | } |
| 1266 | |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 1267 | // Remove review flag as it is not necessary anymore |
| 1268 | if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { |
| 1269 | flags &= ~FLAG_PERMISSION_REVIEW_REQUIRED; |
| 1270 | wasChanged = true; |
| 1271 | } |
| 1272 | |
| 1273 | if ((flags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0) { |
| 1274 | flags &= ~FLAG_PERMISSION_REVOKE_ON_UPGRADE; |
| 1275 | wasChanged = true; |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 1276 | // Hard restricted permissions cannot be held. |
Svet Ganov | 0b41c89 | 2019-07-26 17:45:56 -0700 | [diff] [blame] | 1277 | } else if (!permissionPolicyInitialized || |
| 1278 | (!hardRestricted || restrictionExempt)) { |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 1279 | if (permissionsState.grantRuntimePermission(bp, userId) != |
| 1280 | PERMISSION_OPERATION_FAILURE) { |
| 1281 | wasChanged = true; |
| 1282 | } |
| 1283 | } |
| 1284 | } else { |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 1285 | if (!permissionsState.hasRuntimePermission(bp.name, userId) |
| 1286 | && permissionsState.grantRuntimePermission(bp, |
| 1287 | userId) != PERMISSION_OPERATION_FAILURE) { |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 1288 | flags |= FLAG_PERMISSION_REVIEW_REQUIRED; |
| 1289 | wasChanged = true; |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 1290 | } |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 1291 | |
| 1292 | // If legacy app always grant the permission but if restricted |
| 1293 | // and not exempt take a note a restriction should be applied. |
Svet Ganov | 0b41c89 | 2019-07-26 17:45:56 -0700 | [diff] [blame] | 1294 | if (permissionPolicyInitialized |
| 1295 | && (hardRestricted || softRestricted) |
| 1296 | && !restrictionExempt && !restrictionApplied) { |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 1297 | flags |= FLAG_PERMISSION_APPLY_RESTRICTION; |
| 1298 | wasChanged = true; |
| 1299 | } |
| 1300 | } |
| 1301 | |
| 1302 | // If unrestricted or restriction exempt, don't apply restriction. |
Svet Ganov | 0b41c89 | 2019-07-26 17:45:56 -0700 | [diff] [blame] | 1303 | if (permissionPolicyInitialized) { |
| 1304 | if (!(hardRestricted || softRestricted) || restrictionExempt) { |
| 1305 | if (restrictionApplied) { |
| 1306 | flags &= ~FLAG_PERMISSION_APPLY_RESTRICTION; |
| 1307 | // Dropping restriction on a legacy app implies a review |
| 1308 | if (!appSupportsRuntimePermissions) { |
| 1309 | flags |= FLAG_PERMISSION_REVIEW_REQUIRED; |
| 1310 | } |
| 1311 | wasChanged = true; |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 1312 | } |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 1313 | } |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 1314 | } |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 1315 | |
| 1316 | if (wasChanged) { |
| 1317 | updatedUserIds = ArrayUtils.appendInt(updatedUserIds, userId); |
| 1318 | } |
| 1319 | |
Philip P. Moltmann | c6e3a8e | 2019-02-21 13:57:31 -0800 | [diff] [blame] | 1320 | permissionsState.updatePermissionFlags(bp, userId, |
Philip P. Moltmann | 7659769 | 2019-03-02 13:18:41 -0800 | [diff] [blame] | 1321 | MASK_PERMISSION_FLAGS_ALL, flags); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 1322 | } |
| 1323 | } break; |
| 1324 | |
| 1325 | default: { |
| 1326 | if (packageOfInterest == null |
| 1327 | || packageOfInterest.equals(pkg.packageName)) { |
| 1328 | if (DEBUG_PERMISSIONS) { |
| 1329 | Slog.i(TAG, "Not granting permission " + perm |
| 1330 | + " to package " + pkg.packageName |
| 1331 | + " because it was previously installed without"); |
| 1332 | } |
| 1333 | } |
| 1334 | } break; |
| 1335 | } |
| 1336 | } else { |
| 1337 | if (permissionsState.revokeInstallPermission(bp) != |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 1338 | PERMISSION_OPERATION_FAILURE) { |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 1339 | // Also drop the permission flags. |
| 1340 | permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, |
Philip P. Moltmann | 7659769 | 2019-03-02 13:18:41 -0800 | [diff] [blame] | 1341 | MASK_PERMISSION_FLAGS_ALL, 0); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 1342 | changedInstallPermission = true; |
| 1343 | Slog.i(TAG, "Un-granting permission " + perm |
| 1344 | + " from package " + pkg.packageName |
| 1345 | + " (protectionLevel=" + bp.getProtectionLevel() |
| 1346 | + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) |
| 1347 | + ")"); |
| 1348 | } else if (bp.isAppOp()) { |
| 1349 | // Don't print warning for app op permissions, since it is fine for them |
| 1350 | // not to be granted, there is a UI for the user to decide. |
| 1351 | if (DEBUG_PERMISSIONS |
| 1352 | && (packageOfInterest == null |
| 1353 | || packageOfInterest.equals(pkg.packageName))) { |
| 1354 | Slog.i(TAG, "Not granting permission " + perm |
| 1355 | + " to package " + pkg.packageName |
| 1356 | + " (protectionLevel=" + bp.getProtectionLevel() |
| 1357 | + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) |
| 1358 | + ")"); |
| 1359 | } |
| 1360 | } |
| 1361 | } |
| 1362 | } |
| 1363 | |
| 1364 | if ((changedInstallPermission || replace) && !ps.areInstallPermissionsFixed() && |
| 1365 | !ps.isSystem() || ps.isUpdatedSystem()) { |
| 1366 | // This is the first that we have heard about this package, so the |
| 1367 | // permissions we have now selected are fixed until explicitly |
| 1368 | // changed. |
| 1369 | ps.setInstallPermissionsFixed(true); |
| 1370 | } |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 1371 | |
| 1372 | updatedUserIds = revokePermissionsNoLongerImplicitLocked(permissionsState, pkg, |
| 1373 | updatedUserIds); |
| 1374 | updatedUserIds = setInitialGrantForNewImplicitPermissionsLocked(origPermissions, |
Philip P. Moltmann | e123319 | 2019-04-18 08:45:55 -0700 | [diff] [blame] | 1375 | permissionsState, pkg, newImplicitPermissions, updatedUserIds); |
Philip P. Moltmann | 74065c8 | 2019-05-15 10:46:32 -0700 | [diff] [blame] | 1376 | updatedUserIds = checkIfLegacyStorageOpsNeedToBeUpdated(pkg, replace, updatedUserIds); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 1377 | } |
| 1378 | |
| 1379 | // Persist the runtime permissions state for users with changes. If permissions |
| 1380 | // were revoked because no app in the shared user declares them we have to |
| 1381 | // write synchronously to avoid losing runtime permissions state. |
| 1382 | if (callback != null) { |
| 1383 | callback.onPermissionUpdated(updatedUserIds, runtimePermissionsRevoked); |
| 1384 | } |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 1385 | |
| 1386 | for (int userId : updatedUserIds) { |
| 1387 | notifyRuntimePermissionStateChanged(pkg.packageName, userId); |
| 1388 | } |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 1389 | } |
| 1390 | |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 1391 | /** |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 1392 | * Revoke permissions that are not implicit anymore and that have |
| 1393 | * {@link PackageManager#FLAG_PERMISSION_REVOKE_WHEN_REQUESTED} set. |
| 1394 | * |
| 1395 | * @param ps The state of the permissions of the package |
| 1396 | * @param pkg The package that is currently looked at |
| 1397 | * @param updatedUserIds a list of user ids that needs to be amended if the permission state |
| 1398 | * for a user is changed. |
| 1399 | * |
| 1400 | * @return The updated value of the {@code updatedUserIds} parameter |
| 1401 | */ |
| 1402 | private @NonNull int[] revokePermissionsNoLongerImplicitLocked( |
| 1403 | @NonNull PermissionsState ps, @NonNull PackageParser.Package pkg, |
| 1404 | @NonNull int[] updatedUserIds) { |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 1405 | String pkgName = pkg.packageName; |
Philip P. Moltmann | d030ce2 | 2019-02-18 21:05:48 -0800 | [diff] [blame] | 1406 | boolean supportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion |
| 1407 | >= Build.VERSION_CODES.M; |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 1408 | |
| 1409 | int[] users = UserManagerService.getInstance().getUserIds(); |
| 1410 | int numUsers = users.length; |
| 1411 | for (int i = 0; i < numUsers; i++) { |
| 1412 | int userId = users[i]; |
| 1413 | |
| 1414 | for (String permission : ps.getPermissions(userId)) { |
| 1415 | if (!pkg.implicitPermissions.contains(permission)) { |
| 1416 | if (!ps.hasInstallPermission(permission)) { |
| 1417 | int flags = ps.getRuntimePermissionState(permission, userId).getFlags(); |
| 1418 | |
| 1419 | if ((flags & FLAG_PERMISSION_REVOKE_WHEN_REQUESTED) != 0) { |
| 1420 | BasePermission bp = mSettings.getPermissionLocked(permission); |
| 1421 | |
Philip P. Moltmann | 8277ab6 | 2019-02-21 14:08:30 -0800 | [diff] [blame] | 1422 | int flagsToRemove = FLAG_PERMISSION_REVOKE_WHEN_REQUESTED; |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 1423 | |
Philip P. Moltmann | 319c4ee | 2019-02-25 09:21:23 -0800 | [diff] [blame] | 1424 | if ((flags & BLOCKING_PERMISSION_FLAGS) == 0 |
| 1425 | && supportsRuntimePermissions) { |
Philip P. Moltmann | 8277ab6 | 2019-02-21 14:08:30 -0800 | [diff] [blame] | 1426 | int revokeResult = ps.revokeRuntimePermission(bp, userId); |
| 1427 | if (revokeResult != PERMISSION_OPERATION_FAILURE) { |
| 1428 | if (DEBUG_PERMISSIONS) { |
| 1429 | Slog.i(TAG, "Revoking runtime permission " |
| 1430 | + permission + " for " + pkgName |
| 1431 | + " as it is now requested"); |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 1432 | } |
| 1433 | } |
| 1434 | |
Philip P. Moltmann | 319c4ee | 2019-02-25 09:21:23 -0800 | [diff] [blame] | 1435 | flagsToRemove |= USER_PERMISSION_FLAGS; |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 1436 | } |
Philip P. Moltmann | 8277ab6 | 2019-02-21 14:08:30 -0800 | [diff] [blame] | 1437 | |
| 1438 | ps.updatePermissionFlags(bp, userId, flagsToRemove, 0); |
| 1439 | updatedUserIds = ArrayUtils.appendInt(updatedUserIds, userId); |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 1440 | } |
| 1441 | } |
| 1442 | } |
| 1443 | } |
| 1444 | } |
| 1445 | |
| 1446 | return updatedUserIds; |
| 1447 | } |
| 1448 | |
| 1449 | /** |
| 1450 | * {@code newPerm} is newly added; Inherit the state from {@code sourcePerms}. |
| 1451 | * |
| 1452 | * <p>A single new permission can be split off from several source permissions. In this case |
| 1453 | * the most leniant state is inherited. |
| 1454 | * |
| 1455 | * <p>Warning: This does not handle foreground / background permissions |
| 1456 | * |
| 1457 | * @param sourcePerms The permissions to inherit from |
| 1458 | * @param newPerm The permission to inherit to |
| 1459 | * @param ps The permission state of the package |
| 1460 | * @param pkg The package requesting the permissions |
| 1461 | * @param userId The user the permission belongs to |
| 1462 | */ |
| 1463 | private void inheritPermissionStateToNewImplicitPermissionLocked( |
| 1464 | @NonNull ArraySet<String> sourcePerms, @NonNull String newPerm, |
| 1465 | @NonNull PermissionsState ps, @NonNull PackageParser.Package pkg, |
| 1466 | @UserIdInt int userId) { |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 1467 | String pkgName = pkg.packageName; |
Philip P. Moltmann | 9408f58 | 2019-04-10 16:58:24 -0700 | [diff] [blame] | 1468 | boolean isGranted = false; |
| 1469 | int flags = 0; |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 1470 | |
Philip P. Moltmann | 9408f58 | 2019-04-10 16:58:24 -0700 | [diff] [blame] | 1471 | int numSourcePerm = sourcePerms.size(); |
| 1472 | for (int i = 0; i < numSourcePerm; i++) { |
| 1473 | String sourcePerm = sourcePerms.valueAt(i); |
| 1474 | if ((ps.hasRuntimePermission(sourcePerm, userId)) |
| 1475 | || ps.hasInstallPermission(sourcePerm)) { |
| 1476 | if (!isGranted) { |
| 1477 | flags = 0; |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 1478 | } |
| 1479 | |
Philip P. Moltmann | 9408f58 | 2019-04-10 16:58:24 -0700 | [diff] [blame] | 1480 | isGranted = true; |
| 1481 | flags |= ps.getPermissionFlags(sourcePerm, userId); |
| 1482 | } else { |
| 1483 | if (!isGranted) { |
Philip P. Moltmann | dddadd7 | 2019-02-25 09:21:23 -0800 | [diff] [blame] | 1484 | flags |= ps.getPermissionFlags(sourcePerm, userId); |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 1485 | } |
| 1486 | } |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 1487 | } |
Philip P. Moltmann | 9408f58 | 2019-04-10 16:58:24 -0700 | [diff] [blame] | 1488 | |
| 1489 | if (isGranted) { |
| 1490 | if (DEBUG_PERMISSIONS) { |
| 1491 | Slog.i(TAG, newPerm + " inherits runtime perm grant from " + sourcePerms |
| 1492 | + " for " + pkgName); |
| 1493 | } |
| 1494 | |
| 1495 | ps.grantRuntimePermission(mSettings.getPermissionLocked(newPerm), userId); |
| 1496 | } |
| 1497 | |
| 1498 | // Add permission flags |
| 1499 | ps.updatePermissionFlags(mSettings.getPermission(newPerm), userId, flags, flags); |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 1500 | } |
| 1501 | |
| 1502 | /** |
Philip P. Moltmann | 74065c8 | 2019-05-15 10:46:32 -0700 | [diff] [blame] | 1503 | * When the app has requested legacy storage we might need to update |
| 1504 | * {@link android.app.AppOpsManager#OP_LEGACY_STORAGE}. Hence force an update in |
| 1505 | * {@link com.android.server.policy.PermissionPolicyService#synchronizePackagePermissionsAndAppOpsForUser(Context, String, int)} |
| 1506 | * |
| 1507 | * @param pkg The package for which the permissions are updated |
| 1508 | * @param replace If the app is being replaced |
| 1509 | * @param updatedUserIds The ids of the users that already changed. |
| 1510 | * |
| 1511 | * @return The ids of the users that are changed |
| 1512 | */ |
| 1513 | private @NonNull int[] checkIfLegacyStorageOpsNeedToBeUpdated( |
| 1514 | @NonNull PackageParser.Package pkg, boolean replace, @NonNull int[] updatedUserIds) { |
| 1515 | if (replace && pkg.applicationInfo.hasRequestedLegacyExternalStorage() && ( |
| 1516 | pkg.requestedPermissions.contains(READ_EXTERNAL_STORAGE) |
| 1517 | || pkg.requestedPermissions.contains(WRITE_EXTERNAL_STORAGE))) { |
| 1518 | return UserManagerService.getInstance().getUserIds(); |
| 1519 | } |
| 1520 | |
| 1521 | return updatedUserIds; |
| 1522 | } |
| 1523 | |
| 1524 | /** |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 1525 | * Set the state of a implicit permission that is seen for the first time. |
| 1526 | * |
| 1527 | * @param origPs The permission state of the package before the split |
| 1528 | * @param ps The new permission state |
| 1529 | * @param pkg The package the permission belongs to |
| 1530 | * @param updatedUserIds List of users for which the permission state has already been changed |
| 1531 | * |
| 1532 | * @return List of users for which the permission state has been changed |
| 1533 | */ |
| 1534 | private @NonNull int[] setInitialGrantForNewImplicitPermissionsLocked( |
| 1535 | @NonNull PermissionsState origPs, |
| 1536 | @NonNull PermissionsState ps, @NonNull PackageParser.Package pkg, |
Philip P. Moltmann | e123319 | 2019-04-18 08:45:55 -0700 | [diff] [blame] | 1537 | @NonNull ArraySet<String> newImplicitPermissions, |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 1538 | @NonNull int[] updatedUserIds) { |
| 1539 | String pkgName = pkg.packageName; |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 1540 | ArrayMap<String, ArraySet<String>> newToSplitPerms = new ArrayMap<>(); |
| 1541 | |
Anthony Hugh | 6f5eadc | 2019-08-22 15:35:48 -0700 | [diff] [blame] | 1542 | final List<PermissionManager.SplitPermissionInfo> permissionList = getSplitPermissions(); |
| 1543 | int numSplitPerms = permissionList.size(); |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 1544 | for (int splitPermNum = 0; splitPermNum < numSplitPerms; splitPermNum++) { |
Anthony Hugh | 6f5eadc | 2019-08-22 15:35:48 -0700 | [diff] [blame] | 1545 | PermissionManager.SplitPermissionInfo spi = permissionList.get(splitPermNum); |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 1546 | |
| 1547 | List<String> newPerms = spi.getNewPermissions(); |
| 1548 | int numNewPerms = newPerms.size(); |
| 1549 | for (int newPermNum = 0; newPermNum < numNewPerms; newPermNum++) { |
| 1550 | String newPerm = newPerms.get(newPermNum); |
| 1551 | |
| 1552 | ArraySet<String> splitPerms = newToSplitPerms.get(newPerm); |
| 1553 | if (splitPerms == null) { |
| 1554 | splitPerms = new ArraySet<>(); |
| 1555 | newToSplitPerms.put(newPerm, splitPerms); |
| 1556 | } |
| 1557 | |
| 1558 | splitPerms.add(spi.getSplitPermission()); |
| 1559 | } |
| 1560 | } |
| 1561 | |
| 1562 | int numNewImplicitPerms = newImplicitPermissions.size(); |
| 1563 | for (int newImplicitPermNum = 0; newImplicitPermNum < numNewImplicitPerms; |
| 1564 | newImplicitPermNum++) { |
| 1565 | String newPerm = newImplicitPermissions.valueAt(newImplicitPermNum); |
| 1566 | ArraySet<String> sourcePerms = newToSplitPerms.get(newPerm); |
| 1567 | |
| 1568 | if (sourcePerms != null) { |
| 1569 | if (!ps.hasInstallPermission(newPerm)) { |
| 1570 | BasePermission bp = mSettings.getPermissionLocked(newPerm); |
| 1571 | |
| 1572 | int[] users = UserManagerService.getInstance().getUserIds(); |
| 1573 | int numUsers = users.length; |
| 1574 | for (int userNum = 0; userNum < numUsers; userNum++) { |
| 1575 | int userId = users[userNum]; |
| 1576 | |
Zimuzo | e641140 | 2019-05-13 16:32:57 +0100 | [diff] [blame] | 1577 | if (!newPerm.equals(Manifest.permission.ACTIVITY_RECOGNITION)) { |
| 1578 | ps.updatePermissionFlags(bp, userId, |
| 1579 | FLAG_PERMISSION_REVOKE_WHEN_REQUESTED, |
| 1580 | FLAG_PERMISSION_REVOKE_WHEN_REQUESTED); |
| 1581 | } |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 1582 | updatedUserIds = ArrayUtils.appendInt(updatedUserIds, userId); |
| 1583 | |
Philip P. Moltmann | d3e6416 | 2019-02-22 16:24:01 -0800 | [diff] [blame] | 1584 | boolean inheritsFromInstallPerm = false; |
| 1585 | for (int sourcePermNum = 0; sourcePermNum < sourcePerms.size(); |
| 1586 | sourcePermNum++) { |
| 1587 | if (ps.hasInstallPermission(sourcePerms.valueAt(sourcePermNum))) { |
| 1588 | inheritsFromInstallPerm = true; |
Philip P. Moltmann | d82bdaf | 2018-10-30 12:46:40 -0700 | [diff] [blame] | 1589 | break; |
Philip P. Moltmann | d82bdaf | 2018-10-30 12:46:40 -0700 | [diff] [blame] | 1590 | } |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 1591 | } |
Philip P. Moltmann | d3e6416 | 2019-02-22 16:24:01 -0800 | [diff] [blame] | 1592 | |
| 1593 | if (!origPs.hasRequestedPermission(sourcePerms) |
| 1594 | && !inheritsFromInstallPerm) { |
| 1595 | // Both permissions are new so nothing to inherit. |
| 1596 | if (DEBUG_PERMISSIONS) { |
| 1597 | Slog.i(TAG, newPerm + " does not inherit from " + sourcePerms |
| 1598 | + " for " + pkgName + " as split permission is also new"); |
| 1599 | } |
Philip P. Moltmann | d3e6416 | 2019-02-22 16:24:01 -0800 | [diff] [blame] | 1600 | } else { |
| 1601 | // Inherit from new install or existing runtime permissions |
| 1602 | inheritPermissionStateToNewImplicitPermissionLocked(sourcePerms, |
| 1603 | newPerm, ps, pkg, userId); |
| 1604 | } |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 1605 | } |
| 1606 | } |
| 1607 | } |
| 1608 | } |
| 1609 | |
| 1610 | return updatedUserIds; |
| 1611 | } |
| 1612 | |
Anthony Hugh | 6f5eadc | 2019-08-22 15:35:48 -0700 | [diff] [blame] | 1613 | private List<PermissionManager.SplitPermissionInfo> getSplitPermissions() { |
| 1614 | return SystemConfig.getInstance().getSplitPermissions(); |
| 1615 | } |
| 1616 | |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 1617 | private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { |
| 1618 | boolean allowed = false; |
| 1619 | final int NP = PackageParser.NEW_PERMISSIONS.length; |
| 1620 | for (int ip=0; ip<NP; ip++) { |
| 1621 | final PackageParser.NewPermissionInfo npi |
| 1622 | = PackageParser.NEW_PERMISSIONS[ip]; |
| 1623 | if (npi.name.equals(perm) |
| 1624 | && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { |
| 1625 | allowed = true; |
| 1626 | Log.i(TAG, "Auto-granting " + perm + " to old pkg " |
| 1627 | + pkg.packageName); |
| 1628 | break; |
| 1629 | } |
| 1630 | } |
| 1631 | return allowed; |
| 1632 | } |
| 1633 | |
| 1634 | /** |
| 1635 | * Determines whether a package is whitelisted for a particular privapp permission. |
| 1636 | * |
| 1637 | * <p>Does NOT check whether the package is a privapp, just whether it's whitelisted. |
| 1638 | * |
| 1639 | * <p>This handles parent/child apps. |
| 1640 | */ |
| 1641 | private boolean hasPrivappWhitelistEntry(String perm, PackageParser.Package pkg) { |
Jaekyun Seok | 1713d9e | 2018-01-12 21:47:26 +0900 | [diff] [blame] | 1642 | ArraySet<String> wlPermissions = null; |
| 1643 | if (pkg.isVendor()) { |
| 1644 | wlPermissions = |
| 1645 | SystemConfig.getInstance().getVendorPrivAppPermissions(pkg.packageName); |
| 1646 | } else if (pkg.isProduct()) { |
| 1647 | wlPermissions = |
| 1648 | SystemConfig.getInstance().getProductPrivAppPermissions(pkg.packageName); |
Jeongik Cha | f662983 | 2019-07-04 21:12:06 +0900 | [diff] [blame] | 1649 | } else if (pkg.isSystemExt()) { |
Dario Freni | 2bef176 | 2018-06-01 14:02:08 +0100 | [diff] [blame] | 1650 | wlPermissions = |
Jeongik Cha | f662983 | 2019-07-04 21:12:06 +0900 | [diff] [blame] | 1651 | SystemConfig.getInstance().getSystemExtPrivAppPermissions( |
Dario Freni | 2bef176 | 2018-06-01 14:02:08 +0100 | [diff] [blame] | 1652 | pkg.packageName); |
Jaekyun Seok | 1713d9e | 2018-01-12 21:47:26 +0900 | [diff] [blame] | 1653 | } else { |
| 1654 | wlPermissions = SystemConfig.getInstance().getPrivAppPermissions(pkg.packageName); |
| 1655 | } |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 1656 | // Let's check if this package is whitelisted... |
| 1657 | boolean whitelisted = wlPermissions != null && wlPermissions.contains(perm); |
| 1658 | // If it's not, we'll also tail-recurse to the parent. |
| 1659 | return whitelisted || |
| 1660 | pkg.parentPackage != null && hasPrivappWhitelistEntry(perm, pkg.parentPackage); |
| 1661 | } |
| 1662 | |
| 1663 | private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, |
| 1664 | BasePermission bp, PermissionsState origPermissions) { |
| 1665 | boolean oemPermission = bp.isOEM(); |
Jiyong Park | 002fdbd | 2017-02-13 20:50:31 +0900 | [diff] [blame] | 1666 | boolean vendorPrivilegedPermission = bp.isVendorPrivileged(); |
| 1667 | boolean privilegedPermission = bp.isPrivileged() || bp.isVendorPrivileged(); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 1668 | boolean privappPermissionsDisable = |
| 1669 | RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_DISABLE; |
| 1670 | boolean platformPermission = PLATFORM_PACKAGE_NAME.equals(bp.getSourcePackageName()); |
| 1671 | boolean platformPackage = PLATFORM_PACKAGE_NAME.equals(pkg.packageName); |
| 1672 | if (!privappPermissionsDisable && privilegedPermission && pkg.isPrivileged() |
| 1673 | && !platformPackage && platformPermission) { |
| 1674 | if (!hasPrivappWhitelistEntry(perm, pkg)) { |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 1675 | // Only report violations for apps on system image |
| 1676 | if (!mSystemReady && !pkg.isUpdatedSystemApp()) { |
| 1677 | // it's only a reportable violation if the permission isn't explicitly denied |
Jaekyun Seok | 1713d9e | 2018-01-12 21:47:26 +0900 | [diff] [blame] | 1678 | ArraySet<String> deniedPermissions = null; |
| 1679 | if (pkg.isVendor()) { |
| 1680 | deniedPermissions = SystemConfig.getInstance() |
| 1681 | .getVendorPrivAppDenyPermissions(pkg.packageName); |
| 1682 | } else if (pkg.isProduct()) { |
| 1683 | deniedPermissions = SystemConfig.getInstance() |
| 1684 | .getProductPrivAppDenyPermissions(pkg.packageName); |
Jeongik Cha | f662983 | 2019-07-04 21:12:06 +0900 | [diff] [blame] | 1685 | } else if (pkg.isSystemExt()) { |
Dario Freni | 2bef176 | 2018-06-01 14:02:08 +0100 | [diff] [blame] | 1686 | deniedPermissions = SystemConfig.getInstance() |
Jeongik Cha | f662983 | 2019-07-04 21:12:06 +0900 | [diff] [blame] | 1687 | .getSystemExtPrivAppDenyPermissions(pkg.packageName); |
Jaekyun Seok | 1713d9e | 2018-01-12 21:47:26 +0900 | [diff] [blame] | 1688 | } else { |
| 1689 | deniedPermissions = SystemConfig.getInstance() |
| 1690 | .getPrivAppDenyPermissions(pkg.packageName); |
| 1691 | } |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 1692 | final boolean permissionViolation = |
| 1693 | deniedPermissions == null || !deniedPermissions.contains(perm); |
Fyodor Kupolov | f5e600d | 2017-10-25 17:03:50 -0700 | [diff] [blame] | 1694 | if (permissionViolation) { |
| 1695 | Slog.w(TAG, "Privileged permission " + perm + " for package " |
| 1696 | + pkg.packageName + " - not in privapp-permissions whitelist"); |
| 1697 | |
| 1698 | if (RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_ENFORCE) { |
| 1699 | if (mPrivappPermissionsViolations == null) { |
| 1700 | mPrivappPermissionsViolations = new ArraySet<>(); |
| 1701 | } |
| 1702 | mPrivappPermissionsViolations.add(pkg.packageName + ": " + perm); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 1703 | } |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 1704 | } else { |
| 1705 | return false; |
| 1706 | } |
| 1707 | } |
| 1708 | if (RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_ENFORCE) { |
| 1709 | return false; |
| 1710 | } |
| 1711 | } |
| 1712 | } |
Chen Xu | da02e07 | 2019-10-07 00:24:41 -0700 | [diff] [blame] | 1713 | // expect single system package |
| 1714 | String systemPackageName = ArrayUtils.firstOrNull(mPackageManagerInt.getKnownPackageNames( |
| 1715 | PackageManagerInternal.PACKAGE_SYSTEM, UserHandle.USER_SYSTEM)); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 1716 | final PackageParser.Package systemPackage = |
| 1717 | mPackageManagerInt.getPackage(systemPackageName); |
Dan Cashman | 1dbe6d0 | 2018-01-23 11:18:28 -0800 | [diff] [blame] | 1718 | |
| 1719 | // check if the package is allow to use this signature permission. A package is allowed to |
| 1720 | // use a signature permission if: |
| 1721 | // - it has the same set of signing certificates as the source package |
| 1722 | // - or its signing certificate was rotated from the source package's certificate |
| 1723 | // - or its signing certificate is a previous signing certificate of the defining |
| 1724 | // package, and the defining package still trusts the old certificate for permissions |
| 1725 | // - or it shares the above relationships with the system package |
| 1726 | boolean allowed = |
| 1727 | pkg.mSigningDetails.hasAncestorOrSelf( |
| 1728 | bp.getSourcePackageSetting().getSigningDetails()) |
| 1729 | || bp.getSourcePackageSetting().getSigningDetails().checkCapability( |
| 1730 | pkg.mSigningDetails, |
| 1731 | PackageParser.SigningDetails.CertCapabilities.PERMISSION) |
| 1732 | || pkg.mSigningDetails.hasAncestorOrSelf(systemPackage.mSigningDetails) |
| 1733 | || systemPackage.mSigningDetails.checkCapability( |
| 1734 | pkg.mSigningDetails, |
| 1735 | PackageParser.SigningDetails.CertCapabilities.PERMISSION); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 1736 | if (!allowed && (privilegedPermission || oemPermission)) { |
| 1737 | if (pkg.isSystem()) { |
| 1738 | // For updated system applications, a privileged/oem permission |
| 1739 | // is granted only if it had been defined by the original application. |
| 1740 | if (pkg.isUpdatedSystemApp()) { |
| 1741 | final PackageParser.Package disabledPkg = |
Philip P. Moltmann | b0be05c | 2018-09-19 02:46:56 +0000 | [diff] [blame] | 1742 | mPackageManagerInt.getDisabledSystemPackage(pkg.packageName); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 1743 | final PackageSetting disabledPs = |
| 1744 | (disabledPkg != null) ? (PackageSetting) disabledPkg.mExtras : null; |
| 1745 | if (disabledPs != null |
| 1746 | && disabledPs.getPermissionsState().hasInstallPermission(perm)) { |
| 1747 | // If the original was granted this permission, we take |
| 1748 | // that grant decision as read and propagate it to the |
| 1749 | // update. |
| 1750 | if ((privilegedPermission && disabledPs.isPrivileged()) |
| 1751 | || (oemPermission && disabledPs.isOem() |
| 1752 | && canGrantOemPermission(disabledPs, perm))) { |
| 1753 | allowed = true; |
| 1754 | } |
| 1755 | } else { |
| 1756 | // The system apk may have been updated with an older |
| 1757 | // version of the one on the data partition, but which |
| 1758 | // granted a new system permission that it didn't have |
| 1759 | // before. In this case we do want to allow the app to |
| 1760 | // now get the new permission if the ancestral apk is |
| 1761 | // privileged to get it. |
Todd Kennedy | 1efb833 | 2017-10-25 15:51:36 -0700 | [diff] [blame] | 1762 | if (disabledPs != null && disabledPkg != null |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 1763 | && isPackageRequestingPermission(disabledPkg, perm) |
| 1764 | && ((privilegedPermission && disabledPs.isPrivileged()) |
| 1765 | || (oemPermission && disabledPs.isOem() |
| 1766 | && canGrantOemPermission(disabledPs, perm)))) { |
| 1767 | allowed = true; |
| 1768 | } |
| 1769 | // Also if a privileged parent package on the system image or any of |
| 1770 | // its children requested a privileged/oem permission, the updated child |
| 1771 | // packages can also get the permission. |
| 1772 | if (pkg.parentPackage != null) { |
| 1773 | final PackageParser.Package disabledParentPkg = mPackageManagerInt |
Philip P. Moltmann | b0be05c | 2018-09-19 02:46:56 +0000 | [diff] [blame] | 1774 | .getDisabledSystemPackage(pkg.parentPackage.packageName); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 1775 | final PackageSetting disabledParentPs = (disabledParentPkg != null) |
| 1776 | ? (PackageSetting) disabledParentPkg.mExtras : null; |
| 1777 | if (disabledParentPkg != null |
| 1778 | && ((privilegedPermission && disabledParentPs.isPrivileged()) |
| 1779 | || (oemPermission && disabledParentPs.isOem()))) { |
| 1780 | if (isPackageRequestingPermission(disabledParentPkg, perm) |
| 1781 | && canGrantOemPermission(disabledParentPs, perm)) { |
| 1782 | allowed = true; |
| 1783 | } else if (disabledParentPkg.childPackages != null) { |
| 1784 | for (PackageParser.Package disabledChildPkg |
| 1785 | : disabledParentPkg.childPackages) { |
| 1786 | final PackageSetting disabledChildPs = |
| 1787 | (disabledChildPkg != null) |
| 1788 | ? (PackageSetting) disabledChildPkg.mExtras |
| 1789 | : null; |
| 1790 | if (isPackageRequestingPermission(disabledChildPkg, perm) |
| 1791 | && canGrantOemPermission( |
| 1792 | disabledChildPs, perm)) { |
| 1793 | allowed = true; |
| 1794 | break; |
| 1795 | } |
| 1796 | } |
| 1797 | } |
| 1798 | } |
| 1799 | } |
| 1800 | } |
| 1801 | } else { |
| 1802 | final PackageSetting ps = (PackageSetting) pkg.mExtras; |
| 1803 | allowed = (privilegedPermission && pkg.isPrivileged()) |
| 1804 | || (oemPermission && pkg.isOem() |
| 1805 | && canGrantOemPermission(ps, perm)); |
| 1806 | } |
Jiyong Park | 002fdbd | 2017-02-13 20:50:31 +0900 | [diff] [blame] | 1807 | // In any case, don't grant a privileged permission to privileged vendor apps, if |
| 1808 | // the permission's protectionLevel does not have the extra 'vendorPrivileged' |
| 1809 | // flag. |
| 1810 | if (allowed && privilegedPermission && |
| 1811 | !vendorPrivilegedPermission && pkg.isVendor()) { |
| 1812 | Slog.w(TAG, "Permission " + perm + " cannot be granted to privileged vendor apk " |
| 1813 | + pkg.packageName + " because it isn't a 'vendorPrivileged' permission."); |
| 1814 | allowed = false; |
| 1815 | } |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 1816 | } |
| 1817 | } |
| 1818 | if (!allowed) { |
| 1819 | if (!allowed |
| 1820 | && bp.isPre23() |
| 1821 | && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { |
| 1822 | // If this was a previously normal/dangerous permission that got moved |
| 1823 | // to a system permission as part of the runtime permission redesign, then |
| 1824 | // we still want to blindly grant it to old apps. |
| 1825 | allowed = true; |
| 1826 | } |
Philip P. Moltmann | 8943ad6 | 2018-07-25 12:12:30 -0700 | [diff] [blame] | 1827 | // TODO (moltmann): The installer now shares the platforms signature. Hence it does not |
| 1828 | // need a separate flag anymore. Hence we need to check which |
| 1829 | // permissions are needed by the permission controller |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 1830 | if (!allowed && bp.isInstaller() |
Chen Xu | da02e07 | 2019-10-07 00:24:41 -0700 | [diff] [blame] | 1831 | && ArrayUtils.contains(mPackageManagerInt.getKnownPackageNames( |
| 1832 | PackageManagerInternal.PACKAGE_INSTALLER, UserHandle.USER_SYSTEM), |
| 1833 | pkg.packageName) || ArrayUtils.contains(mPackageManagerInt.getKnownPackageNames( |
Philip P. Moltmann | 8943ad6 | 2018-07-25 12:12:30 -0700 | [diff] [blame] | 1834 | PackageManagerInternal.PACKAGE_PERMISSION_CONTROLLER, |
Chen Xu | da02e07 | 2019-10-07 00:24:41 -0700 | [diff] [blame] | 1835 | UserHandle.USER_SYSTEM), pkg.packageName)) { |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 1836 | // If this permission is to be granted to the system installer and |
| 1837 | // this app is an installer, then it gets the permission. |
| 1838 | allowed = true; |
| 1839 | } |
| 1840 | if (!allowed && bp.isVerifier() |
Chen Xu | da02e07 | 2019-10-07 00:24:41 -0700 | [diff] [blame] | 1841 | && ArrayUtils.contains(mPackageManagerInt.getKnownPackageNames( |
| 1842 | PackageManagerInternal.PACKAGE_VERIFIER, UserHandle.USER_SYSTEM), |
| 1843 | pkg.packageName)) { |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 1844 | // If this permission is to be granted to the system verifier and |
| 1845 | // this app is a verifier, then it gets the permission. |
| 1846 | allowed = true; |
| 1847 | } |
| 1848 | if (!allowed && bp.isPreInstalled() |
| 1849 | && pkg.isSystem()) { |
| 1850 | // Any pre-installed system app is allowed to get this permission. |
| 1851 | allowed = true; |
| 1852 | } |
| 1853 | if (!allowed && bp.isDevelopment()) { |
| 1854 | // For development permissions, a development permission |
| 1855 | // is granted only if it was already granted. |
| 1856 | allowed = origPermissions.hasInstallPermission(perm); |
| 1857 | } |
| 1858 | if (!allowed && bp.isSetup() |
Chen Xu | da02e07 | 2019-10-07 00:24:41 -0700 | [diff] [blame] | 1859 | && ArrayUtils.contains(mPackageManagerInt.getKnownPackageNames( |
| 1860 | PackageManagerInternal.PACKAGE_SETUP_WIZARD, UserHandle.USER_SYSTEM), |
| 1861 | pkg.packageName)) { |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 1862 | // If this permission is to be granted to the system setup wizard and |
| 1863 | // this app is a setup wizard, then it gets the permission. |
| 1864 | allowed = true; |
| 1865 | } |
Makoto Onuki | 700feef | 2018-02-15 10:59:41 -0800 | [diff] [blame] | 1866 | if (!allowed && bp.isSystemTextClassifier() |
Chen Xu | da02e07 | 2019-10-07 00:24:41 -0700 | [diff] [blame] | 1867 | && ArrayUtils.contains(mPackageManagerInt.getKnownPackageNames( |
Makoto Onuki | 700feef | 2018-02-15 10:59:41 -0800 | [diff] [blame] | 1868 | PackageManagerInternal.PACKAGE_SYSTEM_TEXT_CLASSIFIER, |
Chen Xu | da02e07 | 2019-10-07 00:24:41 -0700 | [diff] [blame] | 1869 | UserHandle.USER_SYSTEM), pkg.packageName)) { |
Makoto Onuki | 700feef | 2018-02-15 10:59:41 -0800 | [diff] [blame] | 1870 | // Special permissions for the system default text classifier. |
| 1871 | allowed = true; |
| 1872 | } |
Stanislav Zholnin | 596437f | 2018-12-28 15:34:23 +0000 | [diff] [blame] | 1873 | if (!allowed && bp.isConfigurator() |
Chen Xu | da02e07 | 2019-10-07 00:24:41 -0700 | [diff] [blame] | 1874 | && ArrayUtils.contains(mPackageManagerInt.getKnownPackageNames( |
| 1875 | PackageManagerInternal.PACKAGE_CONFIGURATOR, |
| 1876 | UserHandle.USER_SYSTEM), pkg.packageName)) { |
Stanislav Zholnin | 596437f | 2018-12-28 15:34:23 +0000 | [diff] [blame] | 1877 | // Special permissions for the device configurator. |
| 1878 | allowed = true; |
| 1879 | } |
Varun Shah | 5f30365 | 2018-11-16 18:11:19 -0800 | [diff] [blame] | 1880 | if (!allowed && bp.isWellbeing() |
Chen Xu | da02e07 | 2019-10-07 00:24:41 -0700 | [diff] [blame] | 1881 | && ArrayUtils.contains(mPackageManagerInt.getKnownPackageNames( |
| 1882 | PackageManagerInternal.PACKAGE_WELLBEING, UserHandle.USER_SYSTEM), |
| 1883 | pkg.packageName)) { |
Varun Shah | 5f30365 | 2018-11-16 18:11:19 -0800 | [diff] [blame] | 1884 | // Special permission granted only to the OEM specified wellbeing app |
| 1885 | allowed = true; |
| 1886 | } |
Jeff Sharkey | 15707b3 | 2018-12-10 12:08:41 -0700 | [diff] [blame] | 1887 | if (!allowed && bp.isDocumenter() |
Chen Xu | da02e07 | 2019-10-07 00:24:41 -0700 | [diff] [blame] | 1888 | && ArrayUtils.contains(mPackageManagerInt.getKnownPackageNames( |
| 1889 | PackageManagerInternal.PACKAGE_DOCUMENTER, UserHandle.USER_SYSTEM), |
| 1890 | pkg.packageName)) { |
Jeff Sharkey | 15707b3 | 2018-12-10 12:08:41 -0700 | [diff] [blame] | 1891 | // If this permission is to be granted to the documenter and |
| 1892 | // this app is the documenter, then it gets the permission. |
| 1893 | allowed = true; |
| 1894 | } |
Joe Onorato | 5a15b55 | 2018-12-18 10:40:04 -0800 | [diff] [blame] | 1895 | if (!allowed && bp.isIncidentReportApprover() |
Chen Xu | da02e07 | 2019-10-07 00:24:41 -0700 | [diff] [blame] | 1896 | && ArrayUtils.contains(mPackageManagerInt.getKnownPackageNames( |
Joe Onorato | 5a15b55 | 2018-12-18 10:40:04 -0800 | [diff] [blame] | 1897 | PackageManagerInternal.PACKAGE_INCIDENT_REPORT_APPROVER, |
Chen Xu | da02e07 | 2019-10-07 00:24:41 -0700 | [diff] [blame] | 1898 | UserHandle.USER_SYSTEM), pkg.packageName)) { |
Joe Onorato | 5a15b55 | 2018-12-18 10:40:04 -0800 | [diff] [blame] | 1899 | // If this permission is to be granted to the incident report approver and |
| 1900 | // this app is the incident report approver, then it gets the permission. |
| 1901 | allowed = true; |
| 1902 | } |
George Hodulik | cd7695d | 2019-01-29 18:17:05 -0800 | [diff] [blame] | 1903 | if (!allowed && bp.isAppPredictor() |
Chen Xu | da02e07 | 2019-10-07 00:24:41 -0700 | [diff] [blame] | 1904 | && ArrayUtils.contains(mPackageManagerInt.getKnownPackageNames( |
| 1905 | PackageManagerInternal.PACKAGE_APP_PREDICTOR, UserHandle.USER_SYSTEM), |
| 1906 | pkg.packageName)) { |
George Hodulik | cd7695d | 2019-01-29 18:17:05 -0800 | [diff] [blame] | 1907 | // Special permissions for the system app predictor. |
| 1908 | allowed = true; |
| 1909 | } |
Chen Xu | da02e07 | 2019-10-07 00:24:41 -0700 | [diff] [blame] | 1910 | if (!allowed && bp.isTelephony() |
| 1911 | && ArrayUtils.contains(mPackageManagerInt.getKnownPackageNames( |
| 1912 | PackageManagerInternal.PACKAGE_TELEPHONY, UserHandle.USER_SYSTEM), |
| 1913 | pkg.packageName)) { |
| 1914 | // Special permissions for the system telephony apps. |
| 1915 | allowed = true; |
| 1916 | } |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 1917 | } |
| 1918 | return allowed; |
| 1919 | } |
| 1920 | |
| 1921 | private static boolean canGrantOemPermission(PackageSetting ps, String permission) { |
| 1922 | if (!ps.isOem()) { |
| 1923 | return false; |
| 1924 | } |
| 1925 | // all oem permissions must explicitly be granted or denied |
| 1926 | final Boolean granted = |
| 1927 | SystemConfig.getInstance().getOemPermissions(ps.name).get(permission); |
| 1928 | if (granted == null) { |
| 1929 | throw new IllegalStateException("OEM permission" + permission + " requested by package " |
| 1930 | + ps.name + " must be explicitly declared granted or not"); |
| 1931 | } |
| 1932 | return Boolean.TRUE == granted; |
| 1933 | } |
| 1934 | |
Philip P. Moltmann | c91ff6f | 2019-06-14 14:35:42 -0700 | [diff] [blame] | 1935 | private boolean isPermissionsReviewRequired(@NonNull PackageParser.Package pkg, |
| 1936 | @UserIdInt int userId) { |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 1937 | // Permission review applies only to apps not supporting the new permission model. |
| 1938 | if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { |
| 1939 | return false; |
| 1940 | } |
| 1941 | |
| 1942 | // Legacy apps have the permission and get user consent on launch. |
Philip P. Moltmann | c91ff6f | 2019-06-14 14:35:42 -0700 | [diff] [blame] | 1943 | if (pkg.mExtras == null) { |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 1944 | return false; |
| 1945 | } |
| 1946 | final PackageSetting ps = (PackageSetting) pkg.mExtras; |
| 1947 | final PermissionsState permissionsState = ps.getPermissionsState(); |
| 1948 | return permissionsState.isPermissionReviewRequired(userId); |
| 1949 | } |
| 1950 | |
| 1951 | private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { |
| 1952 | final int permCount = pkg.requestedPermissions.size(); |
| 1953 | for (int j = 0; j < permCount; j++) { |
| 1954 | String requestedPermission = pkg.requestedPermissions.get(j); |
| 1955 | if (permission.equals(requestedPermission)) { |
| 1956 | return true; |
| 1957 | } |
| 1958 | } |
| 1959 | return false; |
| 1960 | } |
| 1961 | |
Andreas Gampe | a36dc62 | 2018-02-05 17:19:22 -0800 | [diff] [blame] | 1962 | @GuardedBy("mLock") |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 1963 | private void grantRuntimePermissionsGrantedToDisabledPackageLocked( |
| 1964 | PackageParser.Package pkg, int callingUid, PermissionCallback callback) { |
| 1965 | if (pkg.parentPackage == null) { |
| 1966 | return; |
| 1967 | } |
| 1968 | if (pkg.requestedPermissions == null) { |
| 1969 | return; |
| 1970 | } |
| 1971 | final PackageParser.Package disabledPkg = |
Philip P. Moltmann | b0be05c | 2018-09-19 02:46:56 +0000 | [diff] [blame] | 1972 | mPackageManagerInt.getDisabledSystemPackage(pkg.parentPackage.packageName); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 1973 | if (disabledPkg == null || disabledPkg.mExtras == null) { |
| 1974 | return; |
| 1975 | } |
| 1976 | final PackageSetting disabledPs = (PackageSetting) disabledPkg.mExtras; |
| 1977 | if (!disabledPs.isPrivileged() || disabledPs.hasChildPackages()) { |
| 1978 | return; |
| 1979 | } |
| 1980 | final int permCount = pkg.requestedPermissions.size(); |
| 1981 | for (int i = 0; i < permCount; i++) { |
| 1982 | String permission = pkg.requestedPermissions.get(i); |
| 1983 | BasePermission bp = mSettings.getPermissionLocked(permission); |
| 1984 | if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { |
| 1985 | continue; |
| 1986 | } |
| 1987 | for (int userId : mUserManagerInt.getUserIds()) { |
| 1988 | if (disabledPs.getPermissionsState().hasRuntimePermission(permission, userId)) { |
| 1989 | grantRuntimePermission( |
| 1990 | permission, pkg.packageName, false, callingUid, userId, callback); |
| 1991 | } |
| 1992 | } |
| 1993 | } |
| 1994 | } |
| 1995 | |
| 1996 | private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, |
| 1997 | String[] grantedPermissions, int callingUid, PermissionCallback callback) { |
| 1998 | for (int userId : userIds) { |
| 1999 | grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions, callingUid, |
| 2000 | callback); |
| 2001 | } |
| 2002 | } |
| 2003 | |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2004 | private @Nullable List<String> getWhitelistedRestrictedPermissions( |
| 2005 | @NonNull PackageParser.Package pkg, @PermissionWhitelistFlags int whitelistFlags, |
| 2006 | @UserIdInt int userId) { |
| 2007 | final PackageSetting packageSetting = (PackageSetting) pkg.mExtras; |
| 2008 | if (packageSetting == null) { |
| 2009 | return null; |
| 2010 | } |
| 2011 | |
| 2012 | final PermissionsState permissionsState = packageSetting.getPermissionsState(); |
| 2013 | |
| 2014 | int queryFlags = 0; |
| 2015 | if ((whitelistFlags & PackageManager.FLAG_PERMISSION_WHITELIST_SYSTEM) != 0) { |
| 2016 | queryFlags |= PackageManager.FLAG_PERMISSION_RESTRICTION_SYSTEM_EXEMPT; |
| 2017 | } |
| 2018 | if ((whitelistFlags & PackageManager.FLAG_PERMISSION_WHITELIST_UPGRADE) != 0) { |
| 2019 | queryFlags |= PackageManager.FLAG_PERMISSION_RESTRICTION_UPGRADE_EXEMPT; |
| 2020 | } |
| 2021 | if ((whitelistFlags & PackageManager.FLAG_PERMISSION_WHITELIST_INSTALLER) != 0) { |
| 2022 | queryFlags |= PackageManager.FLAG_PERMISSION_RESTRICTION_INSTALLER_EXEMPT; |
| 2023 | } |
| 2024 | |
| 2025 | ArrayList<String> whitelistedPermissions = null; |
| 2026 | |
| 2027 | final int permissionCount = pkg.requestedPermissions.size(); |
| 2028 | for (int i = 0; i < permissionCount; i++) { |
| 2029 | final String permissionName = pkg.requestedPermissions.get(i); |
| 2030 | final int currentFlags = permissionsState.getPermissionFlags(permissionName, userId); |
| 2031 | if ((currentFlags & queryFlags) != 0) { |
| 2032 | if (whitelistedPermissions == null) { |
| 2033 | whitelistedPermissions = new ArrayList<>(); |
| 2034 | } |
| 2035 | whitelistedPermissions.add(permissionName); |
| 2036 | } |
| 2037 | } |
| 2038 | |
| 2039 | return whitelistedPermissions; |
| 2040 | } |
| 2041 | |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2042 | private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, |
| 2043 | String[] grantedPermissions, int callingUid, PermissionCallback callback) { |
| 2044 | PackageSetting ps = (PackageSetting) pkg.mExtras; |
| 2045 | if (ps == null) { |
| 2046 | return; |
| 2047 | } |
| 2048 | |
| 2049 | PermissionsState permissionsState = ps.getPermissionsState(); |
| 2050 | |
| 2051 | final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED |
| 2052 | | PackageManager.FLAG_PERMISSION_POLICY_FIXED; |
| 2053 | |
| 2054 | final boolean supportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion |
| 2055 | >= Build.VERSION_CODES.M; |
| 2056 | |
| 2057 | final boolean instantApp = mPackageManagerInt.isInstantApp(pkg.packageName, userId); |
| 2058 | |
| 2059 | for (String permission : pkg.requestedPermissions) { |
| 2060 | final BasePermission bp; |
| 2061 | synchronized (mLock) { |
| 2062 | bp = mSettings.getPermissionLocked(permission); |
| 2063 | } |
| 2064 | if (bp != null && (bp.isRuntime() || bp.isDevelopment()) |
| 2065 | && (!instantApp || bp.isInstant()) |
| 2066 | && (supportsRuntimePermissions || !bp.isRuntimeOnly()) |
| 2067 | && (grantedPermissions == null |
| 2068 | || ArrayUtils.contains(grantedPermissions, permission))) { |
| 2069 | final int flags = permissionsState.getPermissionFlags(permission, userId); |
| 2070 | if (supportsRuntimePermissions) { |
| 2071 | // Installer cannot change immutable permissions. |
| 2072 | if ((flags & immutableFlags) == 0) { |
| 2073 | grantRuntimePermission(permission, pkg.packageName, false, callingUid, |
| 2074 | userId, callback); |
| 2075 | } |
Philip P. Moltmann | 6c644e6 | 2018-07-18 15:41:24 -0700 | [diff] [blame] | 2076 | } else { |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2077 | // In permission review mode we clear the review flag when we |
| 2078 | // are asked to install the app with all permissions granted. |
| 2079 | if ((flags & PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { |
| 2080 | updatePermissionFlags(permission, pkg.packageName, |
| 2081 | PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED, 0, callingUid, |
Philip P. Moltmann | 2a537a6 | 2019-02-08 13:07:57 -0800 | [diff] [blame] | 2082 | userId, false, callback); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2083 | } |
| 2084 | } |
| 2085 | } |
| 2086 | } |
| 2087 | } |
| 2088 | |
| 2089 | private void grantRuntimePermission(String permName, String packageName, boolean overridePolicy, |
| 2090 | int callingUid, final int userId, PermissionCallback callback) { |
| 2091 | if (!mUserManagerInt.exists(userId)) { |
| 2092 | Log.e(TAG, "No such user:" + userId); |
| 2093 | return; |
| 2094 | } |
| 2095 | |
| 2096 | mContext.enforceCallingOrSelfPermission( |
| 2097 | android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, |
| 2098 | "grantRuntimePermission"); |
| 2099 | |
| 2100 | enforceCrossUserPermission(callingUid, userId, |
Todd Kennedy | ef9acb6 | 2018-05-29 15:18:06 -0700 | [diff] [blame] | 2101 | true, // requireFullPermission |
| 2102 | true, // checkShell |
| 2103 | false, // requirePermissionWhenSameUser |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2104 | "grantRuntimePermission"); |
| 2105 | |
| 2106 | final PackageParser.Package pkg = mPackageManagerInt.getPackage(packageName); |
| 2107 | if (pkg == null || pkg.mExtras == null) { |
Hai Zhang | 03bb8ee | 2019-07-31 14:07:17 -0700 | [diff] [blame] | 2108 | Log.e(TAG, "Unknown package: " + packageName); |
| 2109 | return; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2110 | } |
| 2111 | final BasePermission bp; |
| 2112 | synchronized(mLock) { |
| 2113 | bp = mSettings.getPermissionLocked(permName); |
| 2114 | } |
| 2115 | if (bp == null) { |
| 2116 | throw new IllegalArgumentException("Unknown permission: " + permName); |
| 2117 | } |
| 2118 | if (mPackageManagerInt.filterAppAccess(pkg, callingUid, userId)) { |
| 2119 | throw new IllegalArgumentException("Unknown package: " + packageName); |
| 2120 | } |
| 2121 | |
| 2122 | bp.enforceDeclaredUsedAndRuntimeOrDevelopment(pkg); |
| 2123 | |
| 2124 | // If a permission review is required for legacy apps we represent |
| 2125 | // their permissions as always granted runtime ones since we need |
| 2126 | // to keep the review required permission flag per user while an |
| 2127 | // install permission's state is shared across all users. |
Philip P. Moltmann | 6c644e6 | 2018-07-18 15:41:24 -0700 | [diff] [blame] | 2128 | if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2129 | && bp.isRuntime()) { |
| 2130 | return; |
| 2131 | } |
| 2132 | |
| 2133 | final int uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); |
| 2134 | |
| 2135 | final PackageSetting ps = (PackageSetting) pkg.mExtras; |
| 2136 | final PermissionsState permissionsState = ps.getPermissionsState(); |
| 2137 | |
| 2138 | final int flags = permissionsState.getPermissionFlags(permName, userId); |
| 2139 | if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2140 | Log.e(TAG, "Cannot grant system fixed permission " |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2141 | + permName + " for package " + packageName); |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2142 | return; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2143 | } |
| 2144 | if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2145 | Log.e(TAG, "Cannot grant policy fixed permission " |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2146 | + permName + " for package " + packageName); |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2147 | return; |
| 2148 | } |
| 2149 | |
Philip P. Moltmann | d6b849c | 2019-05-15 16:36:32 -0700 | [diff] [blame] | 2150 | if (bp.isHardRestricted() |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2151 | && (flags & PackageManager.FLAGS_PERMISSION_RESTRICTION_ANY_EXEMPT) == 0) { |
Philip P. Moltmann | 8625cdd | 2019-05-30 08:27:19 -0700 | [diff] [blame] | 2152 | Log.e(TAG, "Cannot grant hard restricted non-exempt permission " |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2153 | + permName + " for package " + packageName); |
| 2154 | return; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2155 | } |
| 2156 | |
Philip P. Moltmann | 8625cdd | 2019-05-30 08:27:19 -0700 | [diff] [blame] | 2157 | if (bp.isSoftRestricted() && !SoftRestrictedPermissionPolicy.forPermission(mContext, |
Philip P. Moltmann | 69b645f | 2019-06-17 14:28:11 -0700 | [diff] [blame] | 2158 | pkg.applicationInfo, UserHandle.of(userId), permName).canBeGranted()) { |
Philip P. Moltmann | 8625cdd | 2019-05-30 08:27:19 -0700 | [diff] [blame] | 2159 | Log.e(TAG, "Cannot grant soft restricted permission " + permName + " for package " |
| 2160 | + packageName); |
| 2161 | return; |
| 2162 | } |
| 2163 | |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2164 | if (bp.isDevelopment()) { |
| 2165 | // Development permissions must be handled specially, since they are not |
| 2166 | // normal runtime permissions. For now they apply to all users. |
| 2167 | if (permissionsState.grantInstallPermission(bp) != |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 2168 | PERMISSION_OPERATION_FAILURE) { |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2169 | if (callback != null) { |
| 2170 | callback.onInstallPermissionGranted(); |
| 2171 | } |
| 2172 | } |
| 2173 | return; |
| 2174 | } |
| 2175 | |
| 2176 | if (ps.getInstantApp(userId) && !bp.isInstant()) { |
| 2177 | throw new SecurityException("Cannot grant non-ephemeral permission" |
| 2178 | + permName + " for package " + packageName); |
| 2179 | } |
| 2180 | |
| 2181 | if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { |
| 2182 | Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); |
| 2183 | return; |
| 2184 | } |
| 2185 | |
| 2186 | final int result = permissionsState.grantRuntimePermission(bp, userId); |
| 2187 | switch (result) { |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 2188 | case PERMISSION_OPERATION_FAILURE: { |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2189 | return; |
| 2190 | } |
| 2191 | |
| 2192 | case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { |
| 2193 | if (callback != null) { |
| 2194 | callback.onGidsChanged(UserHandle.getAppId(pkg.applicationInfo.uid), userId); |
| 2195 | } |
| 2196 | } |
| 2197 | break; |
| 2198 | } |
| 2199 | |
| 2200 | if (bp.isRuntime()) { |
Philip P. Moltmann | 8cff8b9 | 2017-10-25 14:32:41 -0700 | [diff] [blame] | 2201 | logPermission(MetricsEvent.ACTION_PERMISSION_GRANTED, permName, packageName); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2202 | } |
| 2203 | |
| 2204 | if (callback != null) { |
| 2205 | callback.onPermissionGranted(uid, userId); |
| 2206 | } |
| 2207 | |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2208 | if (bp.isRuntime()) { |
| 2209 | notifyRuntimePermissionStateChanged(packageName, userId); |
| 2210 | } |
| 2211 | |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2212 | // Only need to do this if user is initialized. Otherwise it's a new user |
| 2213 | // and there are no processes running as the user yet and there's no need |
| 2214 | // to make an expensive call to remount processes for the changed permissions. |
| 2215 | if (READ_EXTERNAL_STORAGE.equals(permName) |
| 2216 | || WRITE_EXTERNAL_STORAGE.equals(permName)) { |
| 2217 | final long token = Binder.clearCallingIdentity(); |
| 2218 | try { |
| 2219 | if (mUserManagerInt.isUserInitialized(userId)) { |
| 2220 | StorageManagerInternal storageManagerInternal = LocalServices.getService( |
| 2221 | StorageManagerInternal.class); |
| 2222 | storageManagerInternal.onExternalStoragePolicyChanged(uid, packageName); |
| 2223 | } |
| 2224 | } finally { |
| 2225 | Binder.restoreCallingIdentity(token); |
| 2226 | } |
| 2227 | } |
| 2228 | |
| 2229 | } |
Hongming Jin | ae750fb | 2018-09-27 23:00:20 +0000 | [diff] [blame] | 2230 | |
| 2231 | private void revokeRuntimePermission(String permName, String packageName, |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2232 | boolean overridePolicy, int userId, PermissionCallback callback) { |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2233 | if (!mUserManagerInt.exists(userId)) { |
| 2234 | Log.e(TAG, "No such user:" + userId); |
| 2235 | return; |
| 2236 | } |
| 2237 | |
| 2238 | mContext.enforceCallingOrSelfPermission( |
| 2239 | android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, |
| 2240 | "revokeRuntimePermission"); |
| 2241 | |
| 2242 | enforceCrossUserPermission(Binder.getCallingUid(), userId, |
Todd Kennedy | ef9acb6 | 2018-05-29 15:18:06 -0700 | [diff] [blame] | 2243 | true, // requireFullPermission |
| 2244 | true, // checkShell |
| 2245 | false, // requirePermissionWhenSameUser |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2246 | "revokeRuntimePermission"); |
| 2247 | |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2248 | final PackageParser.Package pkg = mPackageManagerInt.getPackage(packageName); |
| 2249 | if (pkg == null || pkg.mExtras == null) { |
Hai Zhang | 03bb8ee | 2019-07-31 14:07:17 -0700 | [diff] [blame] | 2250 | Log.e(TAG, "Unknown package: " + packageName); |
| 2251 | return; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2252 | } |
| 2253 | if (mPackageManagerInt.filterAppAccess(pkg, Binder.getCallingUid(), userId)) { |
| 2254 | throw new IllegalArgumentException("Unknown package: " + packageName); |
| 2255 | } |
Hongming Jin | ae750fb | 2018-09-27 23:00:20 +0000 | [diff] [blame] | 2256 | final BasePermission bp = mSettings.getPermissionLocked(permName); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2257 | if (bp == null) { |
| 2258 | throw new IllegalArgumentException("Unknown permission: " + permName); |
| 2259 | } |
| 2260 | |
| 2261 | bp.enforceDeclaredUsedAndRuntimeOrDevelopment(pkg); |
| 2262 | |
| 2263 | // If a permission review is required for legacy apps we represent |
| 2264 | // their permissions as always granted runtime ones since we need |
| 2265 | // to keep the review required permission flag per user while an |
| 2266 | // install permission's state is shared across all users. |
Philip P. Moltmann | 6c644e6 | 2018-07-18 15:41:24 -0700 | [diff] [blame] | 2267 | if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2268 | && bp.isRuntime()) { |
| 2269 | return; |
| 2270 | } |
| 2271 | |
| 2272 | final PackageSetting ps = (PackageSetting) pkg.mExtras; |
| 2273 | final PermissionsState permissionsState = ps.getPermissionsState(); |
| 2274 | |
| 2275 | final int flags = permissionsState.getPermissionFlags(permName, userId); |
Nathan Harold | d66b9f3 | 2018-03-14 19:55:38 -0700 | [diff] [blame] | 2276 | // Only the system may revoke SYSTEM_FIXED permissions. |
| 2277 | if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0 |
| 2278 | && UserHandle.getCallingAppId() != Process.SYSTEM_UID) { |
| 2279 | throw new SecurityException("Non-System UID cannot revoke system fixed permission " |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2280 | + permName + " for package " + packageName); |
| 2281 | } |
| 2282 | if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { |
| 2283 | throw new SecurityException("Cannot revoke policy fixed permission " |
| 2284 | + permName + " for package " + packageName); |
| 2285 | } |
| 2286 | |
| 2287 | if (bp.isDevelopment()) { |
| 2288 | // Development permissions must be handled specially, since they are not |
| 2289 | // normal runtime permissions. For now they apply to all users. |
| 2290 | if (permissionsState.revokeInstallPermission(bp) != |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 2291 | PERMISSION_OPERATION_FAILURE) { |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2292 | if (callback != null) { |
| 2293 | callback.onInstallPermissionRevoked(); |
| 2294 | } |
| 2295 | } |
| 2296 | return; |
| 2297 | } |
| 2298 | |
Philip P. Moltmann | f50316c | 2019-07-03 15:44:00 -0700 | [diff] [blame] | 2299 | // Permission is already revoked, no need to do anything. |
| 2300 | if (!permissionsState.hasRuntimePermission(permName, userId)) { |
| 2301 | return; |
| 2302 | } |
| 2303 | |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2304 | if (permissionsState.revokeRuntimePermission(bp, userId) == |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 2305 | PERMISSION_OPERATION_FAILURE) { |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2306 | return; |
| 2307 | } |
| 2308 | |
| 2309 | if (bp.isRuntime()) { |
Philip P. Moltmann | 8cff8b9 | 2017-10-25 14:32:41 -0700 | [diff] [blame] | 2310 | logPermission(MetricsEvent.ACTION_PERMISSION_REVOKED, permName, packageName); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2311 | } |
| 2312 | |
| 2313 | if (callback != null) { |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2314 | callback.onPermissionRevoked(pkg.applicationInfo.uid, userId); |
| 2315 | } |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2316 | |
| 2317 | if (bp.isRuntime()) { |
| 2318 | notifyRuntimePermissionStateChanged(packageName, userId); |
| 2319 | } |
| 2320 | } |
| 2321 | |
Nicholas Sauer | df93293 | 2019-08-27 08:43:23 -0700 | [diff] [blame] | 2322 | private void setWhitelistedRestrictedPermissions(@NonNull PackageParser.Package pkg, |
| 2323 | @NonNull int[] userIds, @Nullable List<String> permissions, int callingUid, |
| 2324 | @PackageManager.PermissionWhitelistFlags int whitelistFlags, |
| 2325 | @NonNull PermissionCallback callback) { |
| 2326 | |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2327 | final PackageSetting ps = (PackageSetting) pkg.mExtras; |
| 2328 | if (ps == null) { |
| 2329 | return; |
| 2330 | } |
| 2331 | |
| 2332 | final PermissionsState permissionsState = ps.getPermissionsState(); |
Nicholas Sauer | df93293 | 2019-08-27 08:43:23 -0700 | [diff] [blame] | 2333 | SparseArray<ArraySet<String>> oldGrantedRestrictedPermissionsByUser = new SparseArray<>(); |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2334 | boolean updatePermissions = false; |
| 2335 | |
| 2336 | final int permissionCount = pkg.requestedPermissions.size(); |
Nicholas Sauer | df93293 | 2019-08-27 08:43:23 -0700 | [diff] [blame] | 2337 | for (int userId : userIds) { |
| 2338 | for (int i = 0; i < permissionCount; i++) { |
| 2339 | final String permissionName = pkg.requestedPermissions.get(i); |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2340 | |
Nicholas Sauer | df93293 | 2019-08-27 08:43:23 -0700 | [diff] [blame] | 2341 | final BasePermission bp = mSettings.getPermissionLocked(permissionName); |
| 2342 | if (bp == null) { |
| 2343 | Slog.w(TAG, "Cannot whitelist unknown permission: " + permissionName); |
| 2344 | continue; |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2345 | } |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2346 | |
Nicholas Sauer | df93293 | 2019-08-27 08:43:23 -0700 | [diff] [blame] | 2347 | if (!bp.isHardOrSoftRestricted()) { |
| 2348 | continue; |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2349 | } |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2350 | |
Nicholas Sauer | df93293 | 2019-08-27 08:43:23 -0700 | [diff] [blame] | 2351 | if (permissionsState.hasPermission(permissionName, userId)) { |
| 2352 | if (oldGrantedRestrictedPermissionsByUser.get(userId) == null) { |
| 2353 | oldGrantedRestrictedPermissionsByUser.put(userId, new ArraySet<>()); |
| 2354 | } |
| 2355 | oldGrantedRestrictedPermissionsByUser.get(userId).add(permissionName); |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2356 | } |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2357 | |
Nicholas Sauer | df93293 | 2019-08-27 08:43:23 -0700 | [diff] [blame] | 2358 | final int oldFlags = permissionsState.getPermissionFlags(permissionName, userId); |
Svet Ganov | d563e93 | 2019-04-14 13:07:41 -0700 | [diff] [blame] | 2359 | |
Nicholas Sauer | df93293 | 2019-08-27 08:43:23 -0700 | [diff] [blame] | 2360 | int newFlags = oldFlags; |
| 2361 | int mask = 0; |
| 2362 | int whitelistFlagsCopy = whitelistFlags; |
| 2363 | while (whitelistFlagsCopy != 0) { |
| 2364 | final int flag = 1 << Integer.numberOfTrailingZeros(whitelistFlagsCopy); |
| 2365 | whitelistFlagsCopy &= ~flag; |
| 2366 | switch (flag) { |
| 2367 | case FLAG_PERMISSION_WHITELIST_SYSTEM: { |
| 2368 | mask |= PackageManager.FLAG_PERMISSION_RESTRICTION_SYSTEM_EXEMPT; |
| 2369 | if (permissions != null && permissions.contains(permissionName)) { |
| 2370 | newFlags |= |
| 2371 | PackageManager.FLAG_PERMISSION_RESTRICTION_SYSTEM_EXEMPT; |
| 2372 | } else { |
| 2373 | newFlags &= |
| 2374 | ~PackageManager.FLAG_PERMISSION_RESTRICTION_SYSTEM_EXEMPT; |
| 2375 | } |
| 2376 | } |
| 2377 | break; |
| 2378 | case FLAG_PERMISSION_WHITELIST_UPGRADE: { |
| 2379 | mask |= PackageManager.FLAG_PERMISSION_RESTRICTION_UPGRADE_EXEMPT; |
| 2380 | if (permissions != null && permissions.contains(permissionName)) { |
| 2381 | newFlags |= |
| 2382 | PackageManager.FLAG_PERMISSION_RESTRICTION_UPGRADE_EXEMPT; |
| 2383 | } else { |
| 2384 | newFlags &= |
| 2385 | ~PackageManager.FLAG_PERMISSION_RESTRICTION_UPGRADE_EXEMPT; |
| 2386 | } |
| 2387 | } |
| 2388 | break; |
| 2389 | case FLAG_PERMISSION_WHITELIST_INSTALLER: { |
| 2390 | mask |= PackageManager.FLAG_PERMISSION_RESTRICTION_INSTALLER_EXEMPT; |
| 2391 | if (permissions != null && permissions.contains(permissionName)) { |
| 2392 | newFlags |= |
| 2393 | PackageManager.FLAG_PERMISSION_RESTRICTION_INSTALLER_EXEMPT; |
| 2394 | } else { |
| 2395 | newFlags &= ~PackageManager |
| 2396 | .FLAG_PERMISSION_RESTRICTION_INSTALLER_EXEMPT; |
| 2397 | } |
| 2398 | } |
| 2399 | break; |
| 2400 | } |
| 2401 | } |
| 2402 | |
| 2403 | if (oldFlags == newFlags) { |
| 2404 | continue; |
| 2405 | } |
| 2406 | |
| 2407 | updatePermissions = true; |
| 2408 | |
| 2409 | final boolean wasWhitelisted = (oldFlags |
| 2410 | & (PackageManager.FLAGS_PERMISSION_RESTRICTION_ANY_EXEMPT)) != 0; |
| 2411 | final boolean isWhitelisted = (newFlags |
| 2412 | & (PackageManager.FLAGS_PERMISSION_RESTRICTION_ANY_EXEMPT)) != 0; |
| 2413 | |
| 2414 | // If the permission is policy fixed as granted but it is no longer |
| 2415 | // on any of the whitelists we need to clear the policy fixed flag |
| 2416 | // as whitelisting trumps policy i.e. policy cannot grant a non |
| 2417 | // grantable permission. |
| 2418 | if ((oldFlags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { |
| 2419 | final boolean isGranted = permissionsState.hasPermission(permissionName, |
| 2420 | userId); |
| 2421 | if (!isWhitelisted && isGranted) { |
| 2422 | mask |= PackageManager.FLAG_PERMISSION_POLICY_FIXED; |
| 2423 | newFlags &= ~PackageManager.FLAG_PERMISSION_POLICY_FIXED; |
| 2424 | } |
| 2425 | } |
| 2426 | |
| 2427 | // If we are whitelisting an app that does not support runtime permissions |
| 2428 | // we need to make sure it goes through the permission review UI at launch. |
| 2429 | if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M |
| 2430 | && !wasWhitelisted && isWhitelisted) { |
| 2431 | mask |= PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; |
| 2432 | newFlags |= PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; |
| 2433 | } |
| 2434 | |
| 2435 | updatePermissionFlags(permissionName, pkg.packageName, mask, newFlags, |
| 2436 | callingUid, userId, false, null /*callback*/); |
| 2437 | } |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2438 | } |
| 2439 | |
| 2440 | if (updatePermissions) { |
Philip P. Moltmann | ba74206 | 2019-04-08 13:22:44 -0700 | [diff] [blame] | 2441 | // Update permission of this app to take into account the new whitelist state. |
| 2442 | restorePermissionState(pkg, false, pkg.packageName, callback); |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2443 | |
| 2444 | // If this resulted in losing a permission we need to kill the app. |
Nicholas Sauer | df93293 | 2019-08-27 08:43:23 -0700 | [diff] [blame] | 2445 | int oldGrantedRestrictedPermissionsByUserCount = |
| 2446 | oldGrantedRestrictedPermissionsByUser.size(); |
| 2447 | for (int j = 0; j < oldGrantedRestrictedPermissionsByUserCount; j++) { |
| 2448 | final int userId = oldGrantedRestrictedPermissionsByUser.keyAt(j); |
| 2449 | final ArraySet<String> oldGrantedRestrictedPermissions = |
| 2450 | oldGrantedRestrictedPermissionsByUser.valueAt(j); |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2451 | final int oldGrantedCount = oldGrantedRestrictedPermissions.size(); |
| 2452 | for (int i = 0; i < oldGrantedCount; i++) { |
| 2453 | final String permission = oldGrantedRestrictedPermissions.valueAt(i); |
| 2454 | // Sometimes we create a new permission state instance during update. |
| 2455 | if (!ps.getPermissionsState().hasPermission(permission, userId)) { |
| 2456 | callback.onPermissionRevoked(pkg.applicationInfo.uid, userId); |
| 2457 | break; |
| 2458 | } |
| 2459 | } |
| 2460 | } |
| 2461 | } |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2462 | } |
| 2463 | |
Andreas Gampe | a36dc62 | 2018-02-05 17:19:22 -0800 | [diff] [blame] | 2464 | @GuardedBy("mLock") |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2465 | private int[] revokeUnusedSharedUserPermissionsLocked( |
| 2466 | SharedUserSetting suSetting, int[] allUserIds) { |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2467 | // Collect all used permissions in the UID |
| 2468 | final ArraySet<String> usedPermissions = new ArraySet<>(); |
| 2469 | final List<PackageParser.Package> pkgList = suSetting.getPackages(); |
| 2470 | if (pkgList == null || pkgList.size() == 0) { |
| 2471 | return EmptyArray.INT; |
| 2472 | } |
| 2473 | for (PackageParser.Package pkg : pkgList) { |
Svet Ganov | d830807 | 2018-03-24 00:04:38 -0700 | [diff] [blame] | 2474 | if (pkg.requestedPermissions == null) { |
| 2475 | continue; |
| 2476 | } |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2477 | final int requestedPermCount = pkg.requestedPermissions.size(); |
| 2478 | for (int j = 0; j < requestedPermCount; j++) { |
| 2479 | String permission = pkg.requestedPermissions.get(j); |
| 2480 | BasePermission bp = mSettings.getPermissionLocked(permission); |
| 2481 | if (bp != null) { |
| 2482 | usedPermissions.add(permission); |
| 2483 | } |
| 2484 | } |
| 2485 | } |
| 2486 | |
| 2487 | PermissionsState permissionsState = suSetting.getPermissionsState(); |
| 2488 | // Prune install permissions |
| 2489 | List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); |
| 2490 | final int installPermCount = installPermStates.size(); |
| 2491 | for (int i = installPermCount - 1; i >= 0; i--) { |
| 2492 | PermissionState permissionState = installPermStates.get(i); |
| 2493 | if (!usedPermissions.contains(permissionState.getName())) { |
| 2494 | BasePermission bp = mSettings.getPermissionLocked(permissionState.getName()); |
| 2495 | if (bp != null) { |
| 2496 | permissionsState.revokeInstallPermission(bp); |
| 2497 | permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, |
Philip P. Moltmann | 7659769 | 2019-03-02 13:18:41 -0800 | [diff] [blame] | 2498 | MASK_PERMISSION_FLAGS_ALL, 0); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2499 | } |
| 2500 | } |
| 2501 | } |
| 2502 | |
| 2503 | int[] runtimePermissionChangedUserIds = EmptyArray.INT; |
| 2504 | |
| 2505 | // Prune runtime permissions |
| 2506 | for (int userId : allUserIds) { |
| 2507 | List<PermissionState> runtimePermStates = permissionsState |
| 2508 | .getRuntimePermissionStates(userId); |
| 2509 | final int runtimePermCount = runtimePermStates.size(); |
| 2510 | for (int i = runtimePermCount - 1; i >= 0; i--) { |
| 2511 | PermissionState permissionState = runtimePermStates.get(i); |
| 2512 | if (!usedPermissions.contains(permissionState.getName())) { |
| 2513 | BasePermission bp = mSettings.getPermissionLocked(permissionState.getName()); |
| 2514 | if (bp != null) { |
| 2515 | permissionsState.revokeRuntimePermission(bp, userId); |
| 2516 | permissionsState.updatePermissionFlags(bp, userId, |
Philip P. Moltmann | 7659769 | 2019-03-02 13:18:41 -0800 | [diff] [blame] | 2517 | MASK_PERMISSION_FLAGS_ALL, 0); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2518 | runtimePermissionChangedUserIds = ArrayUtils.appendInt( |
| 2519 | runtimePermissionChangedUserIds, userId); |
| 2520 | } |
| 2521 | } |
| 2522 | } |
| 2523 | } |
| 2524 | |
| 2525 | return runtimePermissionChangedUserIds; |
| 2526 | } |
| 2527 | |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 2528 | private String[] getAppOpPermissionPackages(String permName) { |
| 2529 | if (mPackageManagerInt.getInstantAppPackageName(Binder.getCallingUid()) != null) { |
| 2530 | return null; |
| 2531 | } |
| 2532 | synchronized (mLock) { |
| 2533 | final ArraySet<String> pkgs = mSettings.mAppOpPermissionPackages.get(permName); |
| 2534 | if (pkgs == null) { |
| 2535 | return null; |
| 2536 | } |
| 2537 | return pkgs.toArray(new String[pkgs.size()]); |
| 2538 | } |
| 2539 | } |
| 2540 | |
| 2541 | private int getPermissionFlags( |
| 2542 | String permName, String packageName, int callingUid, int userId) { |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2543 | if (!mUserManagerInt.exists(userId)) { |
| 2544 | return 0; |
| 2545 | } |
| 2546 | |
Philip P. Moltmann | fc202f7 | 2019-03-05 20:17:00 -0800 | [diff] [blame] | 2547 | enforceGrantRevokeGetRuntimePermissionPermissions("getPermissionFlags"); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2548 | |
| 2549 | enforceCrossUserPermission(callingUid, userId, |
Todd Kennedy | ef9acb6 | 2018-05-29 15:18:06 -0700 | [diff] [blame] | 2550 | true, // requireFullPermission |
| 2551 | false, // checkShell |
| 2552 | false, // requirePermissionWhenSameUser |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2553 | "getPermissionFlags"); |
| 2554 | |
| 2555 | final PackageParser.Package pkg = mPackageManagerInt.getPackage(packageName); |
| 2556 | if (pkg == null || pkg.mExtras == null) { |
| 2557 | return 0; |
| 2558 | } |
| 2559 | synchronized (mLock) { |
| 2560 | if (mSettings.getPermissionLocked(permName) == null) { |
| 2561 | return 0; |
| 2562 | } |
| 2563 | } |
| 2564 | if (mPackageManagerInt.filterAppAccess(pkg, callingUid, userId)) { |
| 2565 | return 0; |
| 2566 | } |
| 2567 | final PackageSetting ps = (PackageSetting) pkg.mExtras; |
| 2568 | PermissionsState permissionsState = ps.getPermissionsState(); |
| 2569 | return permissionsState.getPermissionFlags(permName, userId); |
| 2570 | } |
| 2571 | |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2572 | private static final int UPDATE_PERMISSIONS_ALL = 1<<0; |
| 2573 | private static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; |
| 2574 | private static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; |
| 2575 | |
| 2576 | private void updatePermissions(String packageName, PackageParser.Package pkg, |
| 2577 | boolean replaceGrant, Collection<PackageParser.Package> allPackages, |
| 2578 | PermissionCallback callback) { |
| 2579 | final int flags = (pkg != null ? UPDATE_PERMISSIONS_ALL : 0) | |
| 2580 | (replaceGrant ? UPDATE_PERMISSIONS_REPLACE_PKG : 0); |
| 2581 | updatePermissions( |
| 2582 | packageName, pkg, getVolumeUuidForPackage(pkg), flags, allPackages, callback); |
| 2583 | if (pkg != null && pkg.childPackages != null) { |
| 2584 | for (PackageParser.Package childPkg : pkg.childPackages) { |
| 2585 | updatePermissions(childPkg.packageName, childPkg, |
| 2586 | getVolumeUuidForPackage(childPkg), flags, allPackages, callback); |
| 2587 | } |
| 2588 | } |
| 2589 | } |
| 2590 | |
Philip P. Moltmann | e5d998f | 2019-03-01 09:42:53 -0800 | [diff] [blame] | 2591 | private void updateAllPermissions(String volumeUuid, boolean sdkUpdated, |
Philip P. Moltmann | d11400a | 2019-04-08 10:42:42 -0700 | [diff] [blame] | 2592 | Collection<PackageParser.Package> allPackages, PermissionCallback callback) { |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2593 | final int flags = UPDATE_PERMISSIONS_ALL | |
| 2594 | (sdkUpdated |
| 2595 | ? UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL |
| 2596 | : 0); |
| 2597 | updatePermissions(null, null, volumeUuid, flags, allPackages, callback); |
| 2598 | } |
| 2599 | |
| 2600 | private void updatePermissions(String changingPkgName, PackageParser.Package changingPkg, |
| 2601 | String replaceVolumeUuid, int flags, Collection<PackageParser.Package> allPackages, |
| 2602 | PermissionCallback callback) { |
| 2603 | // TODO: Most of the methods exposing BasePermission internals [source package name, |
| 2604 | // etc..] shouldn't be needed. Instead, when we've parsed a permission that doesn't |
| 2605 | // have package settings, we should make note of it elsewhere [map between |
| 2606 | // source package name and BasePermission] and cycle through that here. Then we |
| 2607 | // define a single method on BasePermission that takes a PackageSetting, changing |
| 2608 | // package name and a package. |
| 2609 | // NOTE: With this approach, we also don't need to tree trees differently than |
| 2610 | // normal permissions. Today, we need two separate loops because these BasePermission |
| 2611 | // objects are stored separately. |
| 2612 | // Make sure there are no dangling permission trees. |
| 2613 | flags = updatePermissionTrees(changingPkgName, changingPkg, flags); |
| 2614 | |
| 2615 | // Make sure all dynamic permissions have been assigned to a package, |
| 2616 | // and make sure there are no dangling permissions. |
| 2617 | flags = updatePermissions(changingPkgName, changingPkg, flags); |
| 2618 | |
Philip P. Moltmann | e1b277a | 2018-11-01 16:22:50 -0700 | [diff] [blame] | 2619 | synchronized (mLock) { |
| 2620 | if (mBackgroundPermissions == null) { |
| 2621 | // Cache background -> foreground permission mapping. |
| 2622 | // Only system declares background permissions, hence mapping does never change. |
| 2623 | mBackgroundPermissions = new ArrayMap<>(); |
| 2624 | for (BasePermission bp : mSettings.getAllPermissionsLocked()) { |
Philip P. Moltmann | 798bf9a | 2018-11-08 17:07:19 -0800 | [diff] [blame] | 2625 | if (bp.perm != null && bp.perm.info != null |
| 2626 | && bp.perm.info.backgroundPermission != null) { |
Philip P. Moltmann | e1b277a | 2018-11-01 16:22:50 -0700 | [diff] [blame] | 2627 | String fgPerm = bp.name; |
| 2628 | String bgPerm = bp.perm.info.backgroundPermission; |
| 2629 | |
| 2630 | List<String> fgPerms = mBackgroundPermissions.get(bgPerm); |
| 2631 | if (fgPerms == null) { |
| 2632 | fgPerms = new ArrayList<>(); |
| 2633 | mBackgroundPermissions.put(bgPerm, fgPerms); |
| 2634 | } |
| 2635 | |
| 2636 | fgPerms.add(fgPerm); |
| 2637 | } |
| 2638 | } |
| 2639 | } |
| 2640 | } |
| 2641 | |
Philip P. Moltmann | e0f00ea | 2018-10-30 10:43:15 -0700 | [diff] [blame] | 2642 | Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "restorePermissionState"); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2643 | // Now update the permissions for all packages, in particular |
| 2644 | // replace the granted permissions of the system packages. |
| 2645 | if ((flags & UPDATE_PERMISSIONS_ALL) != 0) { |
| 2646 | for (PackageParser.Package pkg : allPackages) { |
| 2647 | if (pkg != changingPkg) { |
| 2648 | // Only replace for packages on requested volume |
| 2649 | final String volumeUuid = getVolumeUuidForPackage(pkg); |
| 2650 | final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) |
| 2651 | && Objects.equals(replaceVolumeUuid, volumeUuid); |
Philip P. Moltmann | e0f00ea | 2018-10-30 10:43:15 -0700 | [diff] [blame] | 2652 | restorePermissionState(pkg, replace, changingPkgName, callback); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2653 | } |
| 2654 | } |
| 2655 | } |
| 2656 | |
| 2657 | if (changingPkg != null) { |
| 2658 | // Only replace for packages on requested volume |
| 2659 | final String volumeUuid = getVolumeUuidForPackage(changingPkg); |
| 2660 | final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) |
| 2661 | && Objects.equals(replaceVolumeUuid, volumeUuid); |
Philip P. Moltmann | e0f00ea | 2018-10-30 10:43:15 -0700 | [diff] [blame] | 2662 | restorePermissionState(changingPkg, replace, changingPkgName, callback); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2663 | } |
| 2664 | Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); |
| 2665 | } |
| 2666 | |
| 2667 | private int updatePermissions(String packageName, PackageParser.Package pkg, int flags) { |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 2668 | Set<BasePermission> needsUpdate = null; |
| 2669 | synchronized (mLock) { |
| 2670 | final Iterator<BasePermission> it = mSettings.mPermissions.values().iterator(); |
| 2671 | while (it.hasNext()) { |
| 2672 | final BasePermission bp = it.next(); |
| 2673 | if (bp.isDynamic()) { |
| 2674 | bp.updateDynamicPermission(mSettings.mPermissionTrees.values()); |
| 2675 | } |
| 2676 | if (bp.getSourcePackageSetting() != null) { |
| 2677 | if (packageName != null && packageName.equals(bp.getSourcePackageName()) |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2678 | && (pkg == null || !hasPermission(pkg, bp.getName()))) { |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 2679 | Slog.i(TAG, "Removing old permission tree: " + bp.getName() |
| 2680 | + " from package " + bp.getSourcePackageName()); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2681 | flags |= UPDATE_PERMISSIONS_ALL; |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 2682 | it.remove(); |
| 2683 | } |
| 2684 | continue; |
| 2685 | } |
| 2686 | if (needsUpdate == null) { |
| 2687 | needsUpdate = new ArraySet<>(mSettings.mPermissions.size()); |
| 2688 | } |
| 2689 | needsUpdate.add(bp); |
| 2690 | } |
| 2691 | } |
| 2692 | if (needsUpdate != null) { |
| 2693 | for (final BasePermission bp : needsUpdate) { |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2694 | final PackageParser.Package sourcePkg = |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 2695 | mPackageManagerInt.getPackage(bp.getSourcePackageName()); |
| 2696 | synchronized (mLock) { |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2697 | if (sourcePkg != null && sourcePkg.mExtras != null) { |
| 2698 | final PackageSetting sourcePs = (PackageSetting) sourcePkg.mExtras; |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 2699 | if (bp.getSourcePackageSetting() == null) { |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2700 | bp.setSourcePackageSetting(sourcePs); |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 2701 | } |
| 2702 | continue; |
| 2703 | } |
| 2704 | Slog.w(TAG, "Removing dangling permission: " + bp.getName() |
| 2705 | + " from package " + bp.getSourcePackageName()); |
| 2706 | mSettings.removePermissionLocked(bp.getName()); |
| 2707 | } |
| 2708 | } |
| 2709 | } |
| 2710 | return flags; |
| 2711 | } |
| 2712 | |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2713 | private int updatePermissionTrees(String packageName, PackageParser.Package pkg, |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 2714 | int flags) { |
| 2715 | Set<BasePermission> needsUpdate = null; |
| 2716 | synchronized (mLock) { |
| 2717 | final Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); |
| 2718 | while (it.hasNext()) { |
| 2719 | final BasePermission bp = it.next(); |
| 2720 | if (bp.getSourcePackageSetting() != null) { |
| 2721 | if (packageName != null && packageName.equals(bp.getSourcePackageName()) |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2722 | && (pkg == null || !hasPermission(pkg, bp.getName()))) { |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 2723 | Slog.i(TAG, "Removing old permission tree: " + bp.getName() |
| 2724 | + " from package " + bp.getSourcePackageName()); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2725 | flags |= UPDATE_PERMISSIONS_ALL; |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 2726 | it.remove(); |
| 2727 | } |
| 2728 | continue; |
| 2729 | } |
| 2730 | if (needsUpdate == null) { |
| 2731 | needsUpdate = new ArraySet<>(mSettings.mPermissionTrees.size()); |
| 2732 | } |
| 2733 | needsUpdate.add(bp); |
| 2734 | } |
| 2735 | } |
| 2736 | if (needsUpdate != null) { |
| 2737 | for (final BasePermission bp : needsUpdate) { |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2738 | final PackageParser.Package sourcePkg = |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 2739 | mPackageManagerInt.getPackage(bp.getSourcePackageName()); |
| 2740 | synchronized (mLock) { |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2741 | if (sourcePkg != null && sourcePkg.mExtras != null) { |
| 2742 | final PackageSetting sourcePs = (PackageSetting) sourcePkg.mExtras; |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 2743 | if (bp.getSourcePackageSetting() == null) { |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2744 | bp.setSourcePackageSetting(sourcePs); |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 2745 | } |
| 2746 | continue; |
| 2747 | } |
| 2748 | Slog.w(TAG, "Removing dangling permission tree: " + bp.getName() |
| 2749 | + " from package " + bp.getSourcePackageName()); |
| 2750 | mSettings.removePermissionLocked(bp.getName()); |
| 2751 | } |
| 2752 | } |
| 2753 | } |
| 2754 | return flags; |
| 2755 | } |
| 2756 | |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2757 | private void updatePermissionFlags(String permName, String packageName, int flagMask, |
Philip P. Moltmann | 2a537a6 | 2019-02-08 13:07:57 -0800 | [diff] [blame] | 2758 | int flagValues, int callingUid, int userId, boolean overridePolicy, |
| 2759 | PermissionCallback callback) { |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2760 | if (!mUserManagerInt.exists(userId)) { |
| 2761 | return; |
| 2762 | } |
| 2763 | |
| 2764 | enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); |
| 2765 | |
| 2766 | enforceCrossUserPermission(callingUid, userId, |
Todd Kennedy | ef9acb6 | 2018-05-29 15:18:06 -0700 | [diff] [blame] | 2767 | true, // requireFullPermission |
| 2768 | true, // checkShell |
| 2769 | false, // requirePermissionWhenSameUser |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2770 | "updatePermissionFlags"); |
| 2771 | |
Philip P. Moltmann | 2a537a6 | 2019-02-08 13:07:57 -0800 | [diff] [blame] | 2772 | if ((flagMask & FLAG_PERMISSION_POLICY_FIXED) != 0 && !overridePolicy) { |
| 2773 | throw new SecurityException("updatePermissionFlags requires " |
| 2774 | + Manifest.permission.ADJUST_RUNTIME_PERMISSIONS_POLICY); |
| 2775 | } |
| 2776 | |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2777 | // Only the system can change these flags and nothing else. |
| 2778 | if (callingUid != Process.SYSTEM_UID) { |
| 2779 | flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; |
| 2780 | flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; |
| 2781 | flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; |
| 2782 | flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; |
| 2783 | flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2784 | flagValues &= ~PackageManager.FLAG_PERMISSION_RESTRICTION_SYSTEM_EXEMPT; |
| 2785 | flagValues &= ~PackageManager.FLAG_PERMISSION_RESTRICTION_INSTALLER_EXEMPT; |
| 2786 | flagValues &= ~PackageManager.FLAG_PERMISSION_RESTRICTION_UPGRADE_EXEMPT; |
| 2787 | flagValues &= ~PackageManager.FLAG_PERMISSION_APPLY_RESTRICTION; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2788 | } |
| 2789 | |
| 2790 | final PackageParser.Package pkg = mPackageManagerInt.getPackage(packageName); |
| 2791 | if (pkg == null || pkg.mExtras == null) { |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2792 | Log.e(TAG, "Unknown package: " + packageName); |
| 2793 | return; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2794 | } |
| 2795 | if (mPackageManagerInt.filterAppAccess(pkg, callingUid, userId)) { |
| 2796 | throw new IllegalArgumentException("Unknown package: " + packageName); |
| 2797 | } |
| 2798 | |
| 2799 | final BasePermission bp; |
| 2800 | synchronized (mLock) { |
| 2801 | bp = mSettings.getPermissionLocked(permName); |
| 2802 | } |
| 2803 | if (bp == null) { |
| 2804 | throw new IllegalArgumentException("Unknown permission: " + permName); |
| 2805 | } |
| 2806 | |
| 2807 | final PackageSetting ps = (PackageSetting) pkg.mExtras; |
| 2808 | final PermissionsState permissionsState = ps.getPermissionsState(); |
| 2809 | final boolean hadState = |
| 2810 | permissionsState.getRuntimePermissionState(permName, userId) != null; |
| 2811 | final boolean permissionUpdated = |
| 2812 | permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues); |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2813 | if (permissionUpdated && bp.isRuntime()) { |
| 2814 | notifyRuntimePermissionStateChanged(packageName, userId); |
| 2815 | } |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2816 | if (permissionUpdated && callback != null) { |
| 2817 | // Install and runtime permissions are stored in different places, |
| 2818 | // so figure out what permission changed and persist the change. |
| 2819 | if (permissionsState.getInstallPermissionState(permName) != null) { |
| 2820 | callback.onInstallPermissionUpdated(); |
| 2821 | } else if (permissionsState.getRuntimePermissionState(permName, userId) != null |
| 2822 | || hadState) { |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2823 | callback.onPermissionUpdated(new int[] { userId }, false); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2824 | } |
| 2825 | } |
| 2826 | } |
| 2827 | |
| 2828 | private boolean updatePermissionFlagsForAllApps(int flagMask, int flagValues, int callingUid, |
| 2829 | int userId, Collection<Package> packages, PermissionCallback callback) { |
| 2830 | if (!mUserManagerInt.exists(userId)) { |
| 2831 | return false; |
| 2832 | } |
| 2833 | |
| 2834 | enforceGrantRevokeRuntimePermissionPermissions( |
| 2835 | "updatePermissionFlagsForAllApps"); |
| 2836 | enforceCrossUserPermission(callingUid, userId, |
Todd Kennedy | ef9acb6 | 2018-05-29 15:18:06 -0700 | [diff] [blame] | 2837 | true, // requireFullPermission |
| 2838 | true, // checkShell |
| 2839 | false, // requirePermissionWhenSameUser |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2840 | "updatePermissionFlagsForAllApps"); |
| 2841 | |
| 2842 | // Only the system can change system fixed flags. |
| 2843 | if (callingUid != Process.SYSTEM_UID) { |
| 2844 | flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; |
| 2845 | flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; |
| 2846 | } |
| 2847 | |
| 2848 | boolean changed = false; |
| 2849 | for (PackageParser.Package pkg : packages) { |
| 2850 | final PackageSetting ps = (PackageSetting) pkg.mExtras; |
| 2851 | if (ps == null) { |
| 2852 | continue; |
| 2853 | } |
| 2854 | PermissionsState permissionsState = ps.getPermissionsState(); |
| 2855 | changed |= permissionsState.updatePermissionFlagsForAllPermissions( |
| 2856 | userId, flagMask, flagValues); |
| 2857 | } |
| 2858 | return changed; |
| 2859 | } |
| 2860 | |
| 2861 | private void enforceGrantRevokeRuntimePermissionPermissions(String message) { |
| 2862 | if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) |
| 2863 | != PackageManager.PERMISSION_GRANTED |
| 2864 | && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) |
| 2865 | != PackageManager.PERMISSION_GRANTED) { |
| 2866 | throw new SecurityException(message + " requires " |
| 2867 | + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " |
| 2868 | + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); |
| 2869 | } |
| 2870 | } |
| 2871 | |
Philip P. Moltmann | fc202f7 | 2019-03-05 20:17:00 -0800 | [diff] [blame] | 2872 | private void enforceGrantRevokeGetRuntimePermissionPermissions(@NonNull String message) { |
| 2873 | if (mContext.checkCallingOrSelfPermission(Manifest.permission.GET_RUNTIME_PERMISSIONS) |
| 2874 | != PackageManager.PERMISSION_GRANTED |
| 2875 | && mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) |
| 2876 | != PackageManager.PERMISSION_GRANTED |
| 2877 | && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) |
| 2878 | != PackageManager.PERMISSION_GRANTED) { |
| 2879 | throw new SecurityException(message + " requires " |
| 2880 | + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " |
| 2881 | + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS + " or " |
| 2882 | + Manifest.permission.GET_RUNTIME_PERMISSIONS); |
| 2883 | } |
| 2884 | } |
| 2885 | |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2886 | /** |
| 2887 | * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS |
| 2888 | * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. |
| 2889 | * @param checkShell whether to prevent shell from access if there's a debugging restriction |
| 2890 | * @param message the message to log on security exception |
| 2891 | */ |
| 2892 | private void enforceCrossUserPermission(int callingUid, int userId, |
Todd Kennedy | ef9acb6 | 2018-05-29 15:18:06 -0700 | [diff] [blame] | 2893 | boolean requireFullPermission, boolean checkShell, |
| 2894 | boolean requirePermissionWhenSameUser, String message) { |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2895 | if (userId < 0) { |
| 2896 | throw new IllegalArgumentException("Invalid userId " + userId); |
| 2897 | } |
| 2898 | if (checkShell) { |
| 2899 | PackageManagerServiceUtils.enforceShellRestriction( |
| 2900 | UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); |
| 2901 | } |
Todd Kennedy | ef9acb6 | 2018-05-29 15:18:06 -0700 | [diff] [blame] | 2902 | if (!requirePermissionWhenSameUser && userId == UserHandle.getUserId(callingUid)) return; |
Suprabh Shukla | 151b21b | 2018-04-27 19:30:30 -0700 | [diff] [blame] | 2903 | if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2904 | if (requireFullPermission) { |
| 2905 | mContext.enforceCallingOrSelfPermission( |
| 2906 | android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); |
| 2907 | } else { |
| 2908 | try { |
| 2909 | mContext.enforceCallingOrSelfPermission( |
| 2910 | android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); |
| 2911 | } catch (SecurityException se) { |
| 2912 | mContext.enforceCallingOrSelfPermission( |
| 2913 | android.Manifest.permission.INTERACT_ACROSS_USERS, message); |
| 2914 | } |
| 2915 | } |
| 2916 | } |
| 2917 | } |
| 2918 | |
Andreas Gampe | a71bee8 | 2018-07-20 12:55:36 -0700 | [diff] [blame] | 2919 | @GuardedBy({"mSettings.mLock", "mLock"}) |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2920 | private int calculateCurrentPermissionFootprintLocked(BasePermission tree) { |
| 2921 | int size = 0; |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 2922 | for (BasePermission perm : mSettings.mPermissions.values()) { |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2923 | size += tree.calculateFootprint(perm); |
| 2924 | } |
| 2925 | return size; |
| 2926 | } |
| 2927 | |
Andreas Gampe | a71bee8 | 2018-07-20 12:55:36 -0700 | [diff] [blame] | 2928 | @GuardedBy({"mSettings.mLock", "mLock"}) |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2929 | private void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { |
| 2930 | // We calculate the max size of permissions defined by this uid and throw |
| 2931 | // if that plus the size of 'info' would exceed our stated maximum. |
| 2932 | if (tree.getUid() != Process.SYSTEM_UID) { |
| 2933 | final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); |
| 2934 | if (curTreeSize + info.calculateFootprint() > MAX_PERMISSION_TREE_FOOTPRINT) { |
| 2935 | throw new SecurityException("Permission tree size cap exceeded"); |
| 2936 | } |
| 2937 | } |
| 2938 | } |
| 2939 | |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2940 | private void systemReady() { |
| 2941 | mSystemReady = true; |
| 2942 | if (mPrivappPermissionsViolations != null) { |
| 2943 | throw new IllegalStateException("Signature|privileged permissions not in " |
| 2944 | + "privapp-permissions whitelist: " + mPrivappPermissionsViolations); |
| 2945 | } |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 2946 | |
| 2947 | mPermissionControllerManager = mContext.getSystemService(PermissionControllerManager.class); |
Svet Ganov | 0b41c89 | 2019-07-26 17:45:56 -0700 | [diff] [blame] | 2948 | mPermissionPolicyInternal = LocalServices.getService(PermissionPolicyInternal.class); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2949 | } |
| 2950 | |
| 2951 | private static String getVolumeUuidForPackage(PackageParser.Package pkg) { |
| 2952 | if (pkg == null) { |
| 2953 | return StorageManager.UUID_PRIVATE_INTERNAL; |
| 2954 | } |
| 2955 | if (pkg.isExternal()) { |
| 2956 | if (TextUtils.isEmpty(pkg.volumeUuid)) { |
| 2957 | return StorageManager.UUID_PRIMARY_PHYSICAL; |
| 2958 | } else { |
| 2959 | return pkg.volumeUuid; |
| 2960 | } |
| 2961 | } else { |
| 2962 | return StorageManager.UUID_PRIVATE_INTERNAL; |
| 2963 | } |
| 2964 | } |
| 2965 | |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 2966 | private static boolean hasPermission(PackageParser.Package pkgInfo, String permName) { |
| 2967 | for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { |
| 2968 | if (pkgInfo.permissions.get(i).info.name.equals(permName)) { |
| 2969 | return true; |
| 2970 | } |
| 2971 | } |
| 2972 | return false; |
| 2973 | } |
| 2974 | |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2975 | /** |
Philip P. Moltmann | 8cff8b9 | 2017-10-25 14:32:41 -0700 | [diff] [blame] | 2976 | * Log that a permission request was granted/revoked. |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2977 | * |
Philip P. Moltmann | 8cff8b9 | 2017-10-25 14:32:41 -0700 | [diff] [blame] | 2978 | * @param action the action performed |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2979 | * @param name name of the permission |
Philip P. Moltmann | 8cff8b9 | 2017-10-25 14:32:41 -0700 | [diff] [blame] | 2980 | * @param packageName package permission is for |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2981 | */ |
Philip P. Moltmann | 8cff8b9 | 2017-10-25 14:32:41 -0700 | [diff] [blame] | 2982 | private void logPermission(int action, @NonNull String name, @NonNull String packageName) { |
| 2983 | final LogMaker log = new LogMaker(action); |
| 2984 | log.setPackageName(packageName); |
| 2985 | log.addTaggedData(MetricsEvent.FIELD_PERMISSION, name); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2986 | |
Philip P. Moltmann | 8cff8b9 | 2017-10-25 14:32:41 -0700 | [diff] [blame] | 2987 | mMetricsLogger.write(log); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 2988 | } |
| 2989 | |
Philip P. Moltmann | e1b277a | 2018-11-01 16:22:50 -0700 | [diff] [blame] | 2990 | /** |
| 2991 | * Get the mapping of background permissions to their foreground permissions. |
| 2992 | * |
| 2993 | * <p>Only initialized in the system server. |
| 2994 | * |
| 2995 | * @return the map <bg permission -> list<fg perm>> |
| 2996 | */ |
| 2997 | public @Nullable ArrayMap<String, List<String>> getBackgroundPermissions() { |
| 2998 | return mBackgroundPermissions; |
| 2999 | } |
| 3000 | |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 3001 | private class PermissionManagerServiceInternalImpl extends PermissionManagerServiceInternal { |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 3002 | @Override |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 3003 | public void systemReady() { |
| 3004 | PermissionManagerService.this.systemReady(); |
| 3005 | } |
| 3006 | @Override |
Philip P. Moltmann | c91ff6f | 2019-06-14 14:35:42 -0700 | [diff] [blame] | 3007 | public boolean isPermissionsReviewRequired(@NonNull Package pkg, @UserIdInt int userId) { |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 3008 | return PermissionManagerService.this.isPermissionsReviewRequired(pkg, userId); |
| 3009 | } |
| 3010 | @Override |
Philip P. Moltmann | fae8a528 | 2018-04-10 12:15:32 -0700 | [diff] [blame] | 3011 | public void revokeRuntimePermissionsIfGroupChanged( |
| 3012 | @NonNull PackageParser.Package newPackage, |
| 3013 | @NonNull PackageParser.Package oldPackage, |
| 3014 | @NonNull ArrayList<String> allPackageNames, |
| 3015 | @NonNull PermissionCallback permissionCallback) { |
| 3016 | PermissionManagerService.this.revokeRuntimePermissionsIfGroupChanged(newPackage, |
| 3017 | oldPackage, allPackageNames, permissionCallback); |
| 3018 | } |
| 3019 | @Override |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 3020 | public void addAllPermissions(Package pkg, boolean chatty) { |
| 3021 | PermissionManagerService.this.addAllPermissions(pkg, chatty); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 3022 | } |
| 3023 | @Override |
Todd Kennedy | 460f28c | 2017-10-06 13:46:22 -0700 | [diff] [blame] | 3024 | public void addAllPermissionGroups(Package pkg, boolean chatty) { |
| 3025 | PermissionManagerService.this.addAllPermissionGroups(pkg, chatty); |
| 3026 | } |
| 3027 | @Override |
Hongming Jin | ae750fb | 2018-09-27 23:00:20 +0000 | [diff] [blame] | 3028 | public void removeAllPermissions(Package pkg, boolean chatty) { |
| 3029 | PermissionManagerService.this.removeAllPermissions(pkg, chatty); |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 3030 | } |
| 3031 | @Override |
| 3032 | public boolean addDynamicPermission(PermissionInfo info, boolean async, int callingUid, |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 3033 | PermissionCallback callback) { |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 3034 | return PermissionManagerService.this.addDynamicPermission(info, callingUid, callback); |
| 3035 | } |
| 3036 | @Override |
| 3037 | public void removeDynamicPermission(String permName, int callingUid, |
| 3038 | PermissionCallback callback) { |
| 3039 | PermissionManagerService.this.removeDynamicPermission(permName, callingUid, callback); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 3040 | } |
| 3041 | @Override |
| 3042 | public void grantRuntimePermission(String permName, String packageName, |
| 3043 | boolean overridePolicy, int callingUid, int userId, |
| 3044 | PermissionCallback callback) { |
| 3045 | PermissionManagerService.this.grantRuntimePermission( |
| 3046 | permName, packageName, overridePolicy, callingUid, userId, callback); |
| 3047 | } |
| 3048 | @Override |
| 3049 | public void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, |
| 3050 | String[] grantedPermissions, int callingUid, PermissionCallback callback) { |
| 3051 | PermissionManagerService.this.grantRequestedRuntimePermissions( |
| 3052 | pkg, userIds, grantedPermissions, callingUid, callback); |
| 3053 | } |
| 3054 | @Override |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 3055 | public List<String> getWhitelistedRestrictedPermissions(PackageParser.Package pkg, |
| 3056 | @PackageManager.PermissionWhitelistFlags int whitelistFlags, int userId) { |
| 3057 | return PermissionManagerService.this.getWhitelistedRestrictedPermissions(pkg, |
| 3058 | whitelistFlags, userId); |
| 3059 | } |
| 3060 | @Override |
| 3061 | public void setWhitelistedRestrictedPermissions(@NonNull PackageParser.Package pkg, |
| 3062 | @NonNull int[] userIds, @Nullable List<String> permissions, int callingUid, |
| 3063 | @PackageManager.PermissionWhitelistFlags int whitelistFlags, |
| 3064 | @NonNull PermissionCallback callback) { |
| 3065 | PermissionManagerService.this.setWhitelistedRestrictedPermissions( |
| 3066 | pkg, userIds, permissions, callingUid, whitelistFlags, callback); |
| 3067 | } |
| 3068 | @Override |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 3069 | public void grantRuntimePermissionsGrantedToDisabledPackage(PackageParser.Package pkg, |
| 3070 | int callingUid, PermissionCallback callback) { |
| 3071 | PermissionManagerService.this.grantRuntimePermissionsGrantedToDisabledPackageLocked( |
| 3072 | pkg, callingUid, callback); |
| 3073 | } |
| 3074 | @Override |
| 3075 | public void revokeRuntimePermission(String permName, String packageName, |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 3076 | boolean overridePolicy, int userId, PermissionCallback callback) { |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 3077 | PermissionManagerService.this.revokeRuntimePermission(permName, packageName, |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 3078 | overridePolicy, userId, callback); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 3079 | } |
| 3080 | @Override |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 3081 | public void updatePermissions(String packageName, Package pkg, boolean replaceGrant, |
| 3082 | Collection<PackageParser.Package> allPackages, PermissionCallback callback) { |
| 3083 | PermissionManagerService.this.updatePermissions( |
| 3084 | packageName, pkg, replaceGrant, allPackages, callback); |
| 3085 | } |
| 3086 | @Override |
Philip P. Moltmann | e5d998f | 2019-03-01 09:42:53 -0800 | [diff] [blame] | 3087 | public void updateAllPermissions(String volumeUuid, boolean sdkUpdated, |
Philip P. Moltmann | d11400a | 2019-04-08 10:42:42 -0700 | [diff] [blame] | 3088 | Collection<PackageParser.Package> allPackages, PermissionCallback callback) { |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 3089 | PermissionManagerService.this.updateAllPermissions( |
Philip P. Moltmann | d11400a | 2019-04-08 10:42:42 -0700 | [diff] [blame] | 3090 | volumeUuid, sdkUpdated, allPackages, callback); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 3091 | } |
| 3092 | @Override |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 3093 | public String[] getAppOpPermissionPackages(String permName) { |
| 3094 | return PermissionManagerService.this.getAppOpPermissionPackages(permName); |
| 3095 | } |
| 3096 | @Override |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 3097 | public int getPermissionFlags(String permName, String packageName, int callingUid, |
| 3098 | int userId) { |
| 3099 | return PermissionManagerService.this.getPermissionFlags(permName, packageName, |
| 3100 | callingUid, userId); |
| 3101 | } |
| 3102 | @Override |
| 3103 | public void updatePermissionFlags(String permName, String packageName, int flagMask, |
Philip P. Moltmann | 2a537a6 | 2019-02-08 13:07:57 -0800 | [diff] [blame] | 3104 | int flagValues, int callingUid, int userId, boolean overridePolicy, |
| 3105 | PermissionCallback callback) { |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 3106 | PermissionManagerService.this.updatePermissionFlags( |
Philip P. Moltmann | 2a537a6 | 2019-02-08 13:07:57 -0800 | [diff] [blame] | 3107 | permName, packageName, flagMask, flagValues, callingUid, userId, |
| 3108 | overridePolicy, callback); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 3109 | } |
| 3110 | @Override |
| 3111 | public boolean updatePermissionFlagsForAllApps(int flagMask, int flagValues, int callingUid, |
| 3112 | int userId, Collection<Package> packages, PermissionCallback callback) { |
| 3113 | return PermissionManagerService.this.updatePermissionFlagsForAllApps( |
| 3114 | flagMask, flagValues, callingUid, userId, packages, callback); |
| 3115 | } |
| 3116 | @Override |
| 3117 | public void enforceCrossUserPermission(int callingUid, int userId, |
| 3118 | boolean requireFullPermission, boolean checkShell, String message) { |
| 3119 | PermissionManagerService.this.enforceCrossUserPermission(callingUid, userId, |
Todd Kennedy | ef9acb6 | 2018-05-29 15:18:06 -0700 | [diff] [blame] | 3120 | requireFullPermission, checkShell, false, message); |
| 3121 | } |
| 3122 | @Override |
| 3123 | public void enforceCrossUserPermission(int callingUid, int userId, |
| 3124 | boolean requireFullPermission, boolean checkShell, |
| 3125 | boolean requirePermissionWhenSameUser, String message) { |
| 3126 | PermissionManagerService.this.enforceCrossUserPermission(callingUid, userId, |
| 3127 | requireFullPermission, checkShell, requirePermissionWhenSameUser, message); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 3128 | } |
| 3129 | @Override |
| 3130 | public void enforceGrantRevokeRuntimePermissionPermissions(String message) { |
| 3131 | PermissionManagerService.this.enforceGrantRevokeRuntimePermissionPermissions(message); |
| 3132 | } |
| 3133 | @Override |
| 3134 | public int checkPermission(String permName, String packageName, int callingUid, |
| 3135 | int userId) { |
| 3136 | return PermissionManagerService.this.checkPermission( |
| 3137 | permName, packageName, callingUid, userId); |
| 3138 | } |
| 3139 | @Override |
Todd Kennedy | 3c71449 | 2017-10-27 09:12:50 -0700 | [diff] [blame] | 3140 | public int checkUidPermission(String permName, PackageParser.Package pkg, int uid, |
| 3141 | int callingUid) { |
| 3142 | return PermissionManagerService.this.checkUidPermission(permName, pkg, uid, callingUid); |
Todd Kennedy | 3bc9472 | 2017-10-10 09:55:53 -0700 | [diff] [blame] | 3143 | } |
| 3144 | @Override |
Todd Kennedy | 460f28c | 2017-10-06 13:46:22 -0700 | [diff] [blame] | 3145 | public PermissionGroupInfo getPermissionGroupInfo(String groupName, int flags, |
| 3146 | int callingUid) { |
| 3147 | return PermissionManagerService.this.getPermissionGroupInfo( |
| 3148 | groupName, flags, callingUid); |
| 3149 | } |
| 3150 | @Override |
| 3151 | public List<PermissionGroupInfo> getAllPermissionGroups(int flags, int callingUid) { |
| 3152 | return PermissionManagerService.this.getAllPermissionGroups(flags, callingUid); |
| 3153 | } |
| 3154 | @Override |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 3155 | public PermissionInfo getPermissionInfo(String permName, String packageName, int flags, |
| 3156 | int callingUid) { |
| 3157 | return PermissionManagerService.this.getPermissionInfo( |
| 3158 | permName, packageName, flags, callingUid); |
| 3159 | } |
| 3160 | @Override |
| 3161 | public List<PermissionInfo> getPermissionInfoByGroup(String group, int flags, |
| 3162 | int callingUid) { |
| 3163 | return PermissionManagerService.this.getPermissionInfoByGroup(group, flags, callingUid); |
| 3164 | } |
| 3165 | @Override |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 3166 | public PermissionSettings getPermissionSettings() { |
| 3167 | return mSettings; |
| 3168 | } |
| 3169 | @Override |
| 3170 | public DefaultPermissionGrantPolicy getDefaultPermissionGrantPolicy() { |
| 3171 | return mDefaultPermissionGrantPolicy; |
| 3172 | } |
| 3173 | @Override |
| 3174 | public BasePermission getPermissionTEMP(String permName) { |
| 3175 | synchronized (PermissionManagerService.this.mLock) { |
| 3176 | return mSettings.getPermissionLocked(permName); |
| 3177 | } |
| 3178 | } |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 3179 | |
| 3180 | @Override |
Philip P. Moltmann | fad1a8f | 2019-06-14 09:02:24 -0700 | [diff] [blame] | 3181 | public @NonNull ArrayList<PermissionInfo> getAllPermissionWithProtectionLevel( |
| 3182 | @PermissionInfo.Protection int protectionLevel) { |
| 3183 | ArrayList<PermissionInfo> matchingPermissions = new ArrayList<>(); |
| 3184 | |
| 3185 | synchronized (PermissionManagerService.this.mLock) { |
| 3186 | int numTotalPermissions = mSettings.mPermissions.size(); |
| 3187 | |
| 3188 | for (int i = 0; i < numTotalPermissions; i++) { |
| 3189 | BasePermission bp = mSettings.mPermissions.valueAt(i); |
| 3190 | |
| 3191 | if (bp.perm != null && bp.perm.info != null |
| 3192 | && bp.protectionLevel == protectionLevel) { |
| 3193 | matchingPermissions.add(bp.perm.info); |
| 3194 | } |
| 3195 | } |
| 3196 | } |
| 3197 | |
| 3198 | return matchingPermissions; |
| 3199 | } |
| 3200 | |
| 3201 | @Override |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 3202 | public @Nullable byte[] backupRuntimePermissions(@NonNull UserHandle user) { |
| 3203 | return PermissionManagerService.this.backupRuntimePermissions(user); |
| 3204 | } |
| 3205 | |
| 3206 | @Override |
| 3207 | public void restoreRuntimePermissions(@NonNull byte[] backup, @NonNull UserHandle user) { |
| 3208 | PermissionManagerService.this.restoreRuntimePermissions(backup, user); |
| 3209 | } |
| 3210 | |
| 3211 | @Override |
| 3212 | public void restoreDelayedRuntimePermissions(@NonNull String packageName, |
| 3213 | @NonNull UserHandle user) { |
| 3214 | PermissionManagerService.this.restoreDelayedRuntimePermissions(packageName, user); |
| 3215 | } |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 3216 | |
| 3217 | @Override |
| 3218 | public void addOnRuntimePermissionStateChangedListener( |
| 3219 | OnRuntimePermissionStateChangedListener listener) { |
| 3220 | PermissionManagerService.this.addOnRuntimePermissionStateChangedListener( |
| 3221 | listener); |
| 3222 | } |
| 3223 | |
| 3224 | @Override |
| 3225 | public void removeOnRuntimePermissionStateChangedListener( |
| 3226 | OnRuntimePermissionStateChangedListener listener) { |
| 3227 | PermissionManagerService.this.removeOnRuntimePermissionStateChangedListener( |
| 3228 | listener); |
| 3229 | } |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 3230 | } |
| 3231 | } |