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 | |
Todd Kennedy | c971a45 | 2019-07-08 16:04:52 -0700 | [diff] [blame] | 19 | import static android.Manifest.permission.ADJUST_RUNTIME_PERMISSIONS_POLICY; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 20 | import static android.Manifest.permission.READ_EXTERNAL_STORAGE; |
| 21 | import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 22 | import static android.content.pm.PackageManager.FLAGS_PERMISSION_RESTRICTION_ANY_EXEMPT; |
| 23 | import static android.content.pm.PackageManager.FLAG_PERMISSION_APPLY_RESTRICTION; |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 24 | import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; |
| 25 | import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; |
Todd Kennedy | 3bc9472 | 2017-10-10 09:55:53 -0700 | [diff] [blame] | 26 | import static android.content.pm.PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 27 | import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 28 | import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_WHEN_REQUESTED; |
| 29 | import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; |
| 30 | import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; |
| 31 | import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 32 | import static android.content.pm.PackageManager.FLAG_PERMISSION_WHITELIST_INSTALLER; |
| 33 | import static android.content.pm.PackageManager.FLAG_PERMISSION_WHITELIST_SYSTEM; |
| 34 | import static android.content.pm.PackageManager.FLAG_PERMISSION_WHITELIST_UPGRADE; |
Philip P. Moltmann | ba74206 | 2019-04-08 13:22:44 -0700 | [diff] [blame] | 35 | import static android.content.pm.PackageManager.MASK_PERMISSION_FLAGS_ALL; |
Todd Kennedy | c5b0e86 | 2019-07-16 09:47:58 -0700 | [diff] [blame] | 36 | import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; |
Hongwei Wang | f391b55 | 2018-04-06 13:52:46 -0700 | [diff] [blame] | 37 | import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; |
Todd Kennedy | c971a45 | 2019-07-08 16:04:52 -0700 | [diff] [blame] | 38 | import static android.permission.PermissionManager.KILL_APP_REASON_GIDS_CHANGED; |
Todd Kennedy | 7e3dd3a | 2019-07-08 10:34:29 -0700 | [diff] [blame] | 39 | import static android.permission.PermissionManager.KILL_APP_REASON_PERMISSIONS_REVOKED; |
Hongwei Wang | f391b55 | 2018-04-06 13:52:46 -0700 | [diff] [blame] | 40 | |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 41 | import static com.android.server.pm.PackageManagerService.DEBUG_INSTALL; |
| 42 | import static com.android.server.pm.PackageManagerService.DEBUG_PACKAGE_SCANNING; |
| 43 | import static com.android.server.pm.PackageManagerService.DEBUG_PERMISSIONS; |
| 44 | import static com.android.server.pm.PackageManagerService.DEBUG_REMOVE; |
| 45 | import static com.android.server.pm.PackageManagerService.PLATFORM_PACKAGE_NAME; |
Todd Kennedy | c971a45 | 2019-07-08 16:04:52 -0700 | [diff] [blame] | 46 | import static com.android.server.pm.permission.PermissionManagerService.killUid; |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 47 | import static com.android.server.pm.permission.PermissionsState.PERMISSION_OPERATION_FAILURE; |
| 48 | |
| 49 | import static java.util.concurrent.TimeUnit.SECONDS; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 50 | |
| 51 | import android.Manifest; |
Philip P. Moltmann | dc65aa3 | 2019-03-28 12:02:45 -0700 | [diff] [blame] | 52 | import android.annotation.IntDef; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 53 | import android.annotation.NonNull; |
| 54 | import android.annotation.Nullable; |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 55 | import android.annotation.UserIdInt; |
Todd Kennedy | 7e3dd3a | 2019-07-08 10:34:29 -0700 | [diff] [blame] | 56 | import android.app.ActivityManager; |
Hai Zhang | 4ffebb7 | 2019-07-18 14:50:58 -0700 | [diff] [blame] | 57 | import android.app.AppOpsManager; |
Eugene Susla | d516bee | 2019-05-01 09:48:43 -0700 | [diff] [blame] | 58 | import android.app.ApplicationPackageManager; |
Todd Kennedy | 7e3dd3a | 2019-07-08 10:34:29 -0700 | [diff] [blame] | 59 | import android.app.IActivityManager; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 60 | import android.content.Context; |
| 61 | import android.content.pm.PackageManager; |
Todd Kennedy | 1d29b4a | 2019-07-02 14:49:28 -0700 | [diff] [blame] | 62 | import android.content.pm.PackageManager.PermissionGroupInfoFlags; |
| 63 | import android.content.pm.PackageManager.PermissionInfoFlags; |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 64 | import android.content.pm.PackageManager.PermissionWhitelistFlags; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 65 | import android.content.pm.PackageManagerInternal; |
| 66 | import android.content.pm.PackageParser; |
Hongwei Wang | f391b55 | 2018-04-06 13:52:46 -0700 | [diff] [blame] | 67 | import android.content.pm.PackageParser.Package; |
Todd Kennedy | 1d29b4a | 2019-07-02 14:49:28 -0700 | [diff] [blame] | 68 | import android.content.pm.ParceledListSlice; |
Todd Kennedy | 460f28c | 2017-10-06 13:46:22 -0700 | [diff] [blame] | 69 | import android.content.pm.PermissionGroupInfo; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 70 | import android.content.pm.PermissionInfo; |
Philip P. Moltmann | 8cff8b9 | 2017-10-25 14:32:41 -0700 | [diff] [blame] | 71 | import android.metrics.LogMaker; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 72 | import android.os.Binder; |
| 73 | import android.os.Build; |
| 74 | import android.os.Handler; |
| 75 | import android.os.HandlerThread; |
Todd Kennedy | 7e3dd3a | 2019-07-08 10:34:29 -0700 | [diff] [blame] | 76 | import android.os.Looper; |
| 77 | import android.os.Message; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 78 | import android.os.Process; |
Todd Kennedy | 7e3dd3a | 2019-07-08 10:34:29 -0700 | [diff] [blame] | 79 | import android.os.RemoteCallbackList; |
| 80 | import android.os.RemoteException; |
Todd Kennedy | 8f13598 | 2019-07-02 07:35:15 -0700 | [diff] [blame] | 81 | import android.os.ServiceManager; |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 82 | import android.os.Trace; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 83 | import android.os.UserHandle; |
| 84 | import android.os.UserManager; |
| 85 | import android.os.UserManagerInternal; |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 86 | import android.os.storage.StorageManager; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 87 | import android.os.storage.StorageManagerInternal; |
Todd Kennedy | 7e3dd3a | 2019-07-08 10:34:29 -0700 | [diff] [blame] | 88 | import android.permission.IOnPermissionsChangeListener; |
Todd Kennedy | 8f13598 | 2019-07-02 07:35:15 -0700 | [diff] [blame] | 89 | import android.permission.IPermissionManager; |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 90 | import android.permission.PermissionControllerManager; |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 91 | import android.permission.PermissionManager; |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 92 | import android.permission.PermissionManagerInternal; |
Todd Kennedy | ca1ea17 | 2019-07-03 15:02:28 -0700 | [diff] [blame] | 93 | import android.permission.PermissionManagerInternal.CheckPermissionDelegate; |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 94 | import android.permission.PermissionManagerInternal.OnRuntimePermissionStateChangedListener; |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 95 | import android.text.TextUtils; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 96 | import android.util.ArrayMap; |
| 97 | import android.util.ArraySet; |
Eugene Susla | d516bee | 2019-05-01 09:48:43 -0700 | [diff] [blame] | 98 | import android.util.DebugUtils; |
Philip P. Moltmann | fae8a528 | 2018-04-10 12:15:32 -0700 | [diff] [blame] | 99 | import android.util.EventLog; |
Todd Kennedy | c971a45 | 2019-07-08 16:04:52 -0700 | [diff] [blame] | 100 | import android.util.IntArray; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 101 | import android.util.Log; |
| 102 | import android.util.Slog; |
Todd Kennedy | 3bc9472 | 2017-10-10 09:55:53 -0700 | [diff] [blame] | 103 | import android.util.SparseArray; |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 104 | import android.util.SparseBooleanArray; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 105 | |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 106 | import com.android.internal.annotations.GuardedBy; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 107 | import com.android.internal.logging.MetricsLogger; |
| 108 | import com.android.internal.logging.nano.MetricsProto.MetricsEvent; |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 109 | import com.android.internal.os.RoSystemProperties; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 110 | import com.android.internal.util.ArrayUtils; |
Todd Kennedy | c971a45 | 2019-07-08 16:04:52 -0700 | [diff] [blame] | 111 | import com.android.internal.util.IntPair; |
Todd Kennedy | 7e3dd3a | 2019-07-08 10:34:29 -0700 | [diff] [blame] | 112 | import com.android.internal.util.Preconditions; |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 113 | import com.android.internal.util.function.pooled.PooledLambda; |
| 114 | import com.android.server.FgThread; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 115 | import com.android.server.LocalServices; |
| 116 | import com.android.server.ServiceThread; |
| 117 | import com.android.server.SystemConfig; |
| 118 | import com.android.server.Watchdog; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 119 | import com.android.server.pm.PackageManagerServiceUtils; |
| 120 | import com.android.server.pm.PackageSetting; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 121 | import com.android.server.pm.SharedUserSetting; |
Todd Kennedy | 3bc9472 | 2017-10-10 09:55:53 -0700 | [diff] [blame] | 122 | import com.android.server.pm.UserManagerService; |
Todd Kennedy | 583378d | 2019-07-12 06:50:30 -0700 | [diff] [blame] | 123 | import com.android.server.pm.permission.PermissionManagerServiceInternal.DefaultBrowserProvider; |
| 124 | import com.android.server.pm.permission.PermissionManagerServiceInternal.DefaultDialerProvider; |
| 125 | import com.android.server.pm.permission.PermissionManagerServiceInternal.DefaultHomeProvider; |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 126 | import com.android.server.pm.permission.PermissionManagerServiceInternal.PermissionCallback; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 127 | import com.android.server.pm.permission.PermissionsState.PermissionState; |
Svet Ganov | 3c499ea | 2019-07-26 17:45:56 -0700 | [diff] [blame] | 128 | import com.android.server.policy.PermissionPolicyInternal; |
Philip P. Moltmann | 8625cdd | 2019-05-30 08:27:19 -0700 | [diff] [blame] | 129 | import com.android.server.policy.SoftRestrictedPermissionPolicy; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 130 | |
| 131 | import libcore.util.EmptyArray; |
| 132 | |
Philip P. Moltmann | dc65aa3 | 2019-03-28 12:02:45 -0700 | [diff] [blame] | 133 | import java.lang.annotation.Retention; |
| 134 | import java.lang.annotation.RetentionPolicy; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 135 | import java.util.ArrayList; |
Hongwei Wang | f391b55 | 2018-04-06 13:52:46 -0700 | [diff] [blame] | 136 | import java.util.HashMap; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 137 | import java.util.Iterator; |
| 138 | import java.util.List; |
Hongwei Wang | f391b55 | 2018-04-06 13:52:46 -0700 | [diff] [blame] | 139 | import java.util.Map; |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 140 | import java.util.Objects; |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 141 | import java.util.Set; |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 142 | import java.util.concurrent.CompletableFuture; |
| 143 | import java.util.concurrent.ExecutionException; |
| 144 | import java.util.concurrent.TimeUnit; |
| 145 | import java.util.concurrent.TimeoutException; |
Todd Kennedy | 230c0a7 | 2019-07-03 13:06:35 -0700 | [diff] [blame] | 146 | import java.util.function.Consumer; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 147 | |
| 148 | /** |
| 149 | * Manages all permissions and handles permissions related tasks. |
| 150 | */ |
Todd Kennedy | 8f13598 | 2019-07-02 07:35:15 -0700 | [diff] [blame] | 151 | public class PermissionManagerService extends IPermissionManager.Stub { |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 152 | private static final String TAG = "PackageManager"; |
| 153 | |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 154 | /** Permission grant: not grant the permission. */ |
| 155 | private static final int GRANT_DENIED = 1; |
| 156 | /** Permission grant: grant the permission as an install permission. */ |
| 157 | private static final int GRANT_INSTALL = 2; |
| 158 | /** Permission grant: grant the permission as a runtime one. */ |
| 159 | private static final int GRANT_RUNTIME = 3; |
| 160 | /** Permission grant: grant as runtime a permission that was granted as an install time one. */ |
| 161 | private static final int GRANT_UPGRADE = 4; |
| 162 | |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 163 | private static final long BACKUP_TIMEOUT_MILLIS = SECONDS.toMillis(60); |
| 164 | |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 165 | /** Cap the size of permission trees that 3rd party apps can define; in characters of text */ |
| 166 | private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; |
| 167 | /** Empty array to avoid allocations */ |
| 168 | private static final int[] EMPTY_INT_ARRAY = new int[0]; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 169 | |
Philip P. Moltmann | 319c4ee | 2019-02-25 09:21:23 -0800 | [diff] [blame] | 170 | /** |
| 171 | * When these flags are set, the system should not automatically modify the permission grant |
| 172 | * state. |
| 173 | */ |
| 174 | private static final int BLOCKING_PERMISSION_FLAGS = FLAG_PERMISSION_SYSTEM_FIXED |
| 175 | | FLAG_PERMISSION_POLICY_FIXED |
| 176 | | FLAG_PERMISSION_GRANTED_BY_DEFAULT; |
| 177 | |
| 178 | /** Permission flags set by the user */ |
| 179 | private static final int USER_PERMISSION_FLAGS = FLAG_PERMISSION_USER_SET |
| 180 | | FLAG_PERMISSION_USER_FIXED; |
| 181 | |
Hongwei Wang | f391b55 | 2018-04-06 13:52:46 -0700 | [diff] [blame] | 182 | /** If the permission of the value is granted, so is the key */ |
| 183 | private static final Map<String, String> FULLER_PERMISSION_MAP = new HashMap<>(); |
| 184 | |
| 185 | static { |
| 186 | FULLER_PERMISSION_MAP.put(Manifest.permission.ACCESS_COARSE_LOCATION, |
| 187 | Manifest.permission.ACCESS_FINE_LOCATION); |
| 188 | FULLER_PERMISSION_MAP.put(Manifest.permission.INTERACT_ACROSS_USERS, |
| 189 | Manifest.permission.INTERACT_ACROSS_USERS_FULL); |
| 190 | } |
| 191 | |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 192 | /** Lock to protect internal data access */ |
| 193 | private final Object mLock; |
| 194 | |
| 195 | /** Internal connection to the package manager */ |
| 196 | private final PackageManagerInternal mPackageManagerInt; |
| 197 | |
| 198 | /** Internal connection to the user manager */ |
| 199 | private final UserManagerInternal mUserManagerInt; |
| 200 | |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 201 | /** Permission controller: User space permission management */ |
| 202 | private PermissionControllerManager mPermissionControllerManager; |
| 203 | |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 204 | /** Default permission policy to provide proper behaviour out-of-the-box */ |
| 205 | private final DefaultPermissionGrantPolicy mDefaultPermissionGrantPolicy; |
| 206 | |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 207 | /** |
| 208 | * Built-in permissions. Read from system configuration files. Mapping is from |
| 209 | * UID to permission name. |
| 210 | */ |
Todd Kennedy | 3bc9472 | 2017-10-10 09:55:53 -0700 | [diff] [blame] | 211 | private final SparseArray<ArraySet<String>> mSystemPermissions; |
Todd Kennedy | 3bc9472 | 2017-10-10 09:55:53 -0700 | [diff] [blame] | 212 | |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 213 | /** Built-in group IDs given to all packages. Read from system configuration files. */ |
| 214 | private final int[] mGlobalGids; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 215 | |
| 216 | private final HandlerThread mHandlerThread; |
| 217 | private final Handler mHandler; |
| 218 | private final Context mContext; |
Philip P. Moltmann | 8cff8b9 | 2017-10-25 14:32:41 -0700 | [diff] [blame] | 219 | private final MetricsLogger mMetricsLogger = new MetricsLogger(); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 220 | |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 221 | /** Internal storage for permissions and related settings */ |
| 222 | @GuardedBy("mLock") |
| 223 | private final PermissionSettings mSettings; |
| 224 | |
| 225 | @GuardedBy("mLock") |
| 226 | private ArraySet<String> mPrivappPermissionsViolations; |
| 227 | |
| 228 | @GuardedBy("mLock") |
| 229 | private boolean mSystemReady; |
| 230 | |
Svet Ganov | 3c499ea | 2019-07-26 17:45:56 -0700 | [diff] [blame] | 231 | @GuardedBy("mLock") |
| 232 | private PermissionPolicyInternal mPermissionPolicyInternal; |
| 233 | |
Philip P. Moltmann | e1b277a | 2018-11-01 16:22:50 -0700 | [diff] [blame] | 234 | /** |
| 235 | * For each foreground/background permission the mapping: |
| 236 | * Background permission -> foreground permissions |
| 237 | */ |
| 238 | @GuardedBy("mLock") |
| 239 | private ArrayMap<String, List<String>> mBackgroundPermissions; |
| 240 | |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 241 | /** |
| 242 | * A permission backup might contain apps that are not installed. In this case we delay the |
| 243 | * restoration until the app is installed. |
| 244 | * |
| 245 | * <p>This array ({@code userId -> noDelayedBackupLeft}) is {@code true} for all the users where |
| 246 | * there is <u>no more</u> delayed backup left. |
| 247 | */ |
| 248 | @GuardedBy("mLock") |
| 249 | private final SparseBooleanArray mHasNoDelayedPermBackup = new SparseBooleanArray(); |
| 250 | |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 251 | /** Listeners for permission state (granting and flags) changes */ |
| 252 | @GuardedBy("mLock") |
| 253 | final private ArrayList<OnRuntimePermissionStateChangedListener> |
| 254 | mRuntimePermissionStateChangedListeners = new ArrayList<>(); |
| 255 | |
Todd Kennedy | ca1ea17 | 2019-07-03 15:02:28 -0700 | [diff] [blame] | 256 | @GuardedBy("mLock") |
| 257 | private CheckPermissionDelegate mCheckPermissionDelegate; |
| 258 | |
Todd Kennedy | 7e3dd3a | 2019-07-08 10:34:29 -0700 | [diff] [blame] | 259 | @GuardedBy("mLock") |
| 260 | private final OnPermissionChangeListeners mOnPermissionChangeListeners; |
| 261 | |
Todd Kennedy | 583378d | 2019-07-12 06:50:30 -0700 | [diff] [blame] | 262 | @GuardedBy("mLock") |
| 263 | private DefaultBrowserProvider mDefaultBrowserProvider; |
| 264 | |
| 265 | @GuardedBy("mLock") |
| 266 | private DefaultDialerProvider mDefaultDialerProvider; |
| 267 | |
| 268 | @GuardedBy("mLock") |
| 269 | private DefaultHomeProvider mDefaultHomeProvider; |
| 270 | |
Todd Kennedy | 230c0a7 | 2019-07-03 13:06:35 -0700 | [diff] [blame] | 271 | // TODO: Take a look at the methods defined in the callback. |
| 272 | // The callback was initially created to support the split between permission |
| 273 | // manager and the package manager. However, it's started to be used for other |
| 274 | // purposes. It may make sense to keep as an abstraction, but, the methods |
| 275 | // necessary to be overridden may be different than what was initially needed |
| 276 | // for the split. |
| 277 | private PermissionCallback mDefaultPermissionCallback = new PermissionCallback() { |
| 278 | @Override |
| 279 | public void onGidsChanged(int appId, int userId) { |
Todd Kennedy | c971a45 | 2019-07-08 16:04:52 -0700 | [diff] [blame] | 280 | mHandler.post(() -> killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED)); |
Todd Kennedy | 230c0a7 | 2019-07-03 13:06:35 -0700 | [diff] [blame] | 281 | } |
| 282 | @Override |
| 283 | public void onPermissionGranted(int uid, int userId) { |
Todd Kennedy | 7e3dd3a | 2019-07-08 10:34:29 -0700 | [diff] [blame] | 284 | mOnPermissionChangeListeners.onPermissionsChanged(uid); |
| 285 | |
| 286 | // Not critical; if this is lost, the application has to request again. |
| 287 | mPackageManagerInt.writeSettings(true); |
Todd Kennedy | 230c0a7 | 2019-07-03 13:06:35 -0700 | [diff] [blame] | 288 | } |
| 289 | @Override |
| 290 | public void onInstallPermissionGranted() { |
| 291 | mPackageManagerInt.writeSettings(true); |
| 292 | } |
| 293 | @Override |
| 294 | public void onPermissionRevoked(int uid, int userId) { |
Todd Kennedy | 7e3dd3a | 2019-07-08 10:34:29 -0700 | [diff] [blame] | 295 | mOnPermissionChangeListeners.onPermissionsChanged(uid); |
| 296 | |
| 297 | // Critical; after this call the application should never have the permission |
| 298 | mPackageManagerInt.writeSettings(false); |
| 299 | final int appId = UserHandle.getAppId(uid); |
| 300 | killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); |
Todd Kennedy | 230c0a7 | 2019-07-03 13:06:35 -0700 | [diff] [blame] | 301 | } |
| 302 | @Override |
| 303 | public void onInstallPermissionRevoked() { |
| 304 | mPackageManagerInt.writeSettings(true); |
| 305 | } |
| 306 | @Override |
| 307 | public void onPermissionUpdated(int[] userIds, boolean sync) { |
| 308 | mPackageManagerInt.writePermissionSettings(userIds, !sync); |
| 309 | } |
| 310 | @Override |
| 311 | public void onInstallPermissionUpdated() { |
| 312 | mPackageManagerInt.writeSettings(true); |
| 313 | } |
| 314 | @Override |
| 315 | public void onPermissionRemoved() { |
| 316 | mPackageManagerInt.writeSettings(false); |
| 317 | } |
| 318 | public void onPermissionUpdatedNotifyListener(@UserIdInt int[] updatedUserIds, boolean sync, |
| 319 | int uid) { |
| 320 | onPermissionUpdated(updatedUserIds, sync); |
Todd Kennedy | 7e3dd3a | 2019-07-08 10:34:29 -0700 | [diff] [blame] | 321 | mOnPermissionChangeListeners.onPermissionsChanged(uid); |
Todd Kennedy | 230c0a7 | 2019-07-03 13:06:35 -0700 | [diff] [blame] | 322 | } |
| 323 | public void onInstallPermissionUpdatedNotifyListener(int uid) { |
| 324 | onInstallPermissionUpdated(); |
Todd Kennedy | 7e3dd3a | 2019-07-08 10:34:29 -0700 | [diff] [blame] | 325 | mOnPermissionChangeListeners.onPermissionsChanged(uid); |
Todd Kennedy | 230c0a7 | 2019-07-03 13:06:35 -0700 | [diff] [blame] | 326 | } |
| 327 | }; |
| 328 | |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 329 | PermissionManagerService(Context context, |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 330 | @NonNull Object externalLock) { |
| 331 | mContext = context; |
| 332 | mLock = externalLock; |
| 333 | mPackageManagerInt = LocalServices.getService(PackageManagerInternal.class); |
| 334 | mUserManagerInt = LocalServices.getService(UserManagerInternal.class); |
Philip P. Moltmann | 6c644e6 | 2018-07-18 15:41:24 -0700 | [diff] [blame] | 335 | mSettings = new PermissionSettings(mLock); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 336 | |
| 337 | mHandlerThread = new ServiceThread(TAG, |
| 338 | Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); |
| 339 | mHandlerThread.start(); |
| 340 | mHandler = new Handler(mHandlerThread.getLooper()); |
| 341 | Watchdog.getInstance().addThread(mHandler); |
| 342 | |
| 343 | mDefaultPermissionGrantPolicy = new DefaultPermissionGrantPolicy( |
Philip P. Moltmann | 5f5783e | 2019-05-22 14:57:18 -0700 | [diff] [blame] | 344 | context, mHandlerThread.getLooper(), this); |
Todd Kennedy | 3bc9472 | 2017-10-10 09:55:53 -0700 | [diff] [blame] | 345 | SystemConfig systemConfig = SystemConfig.getInstance(); |
| 346 | mSystemPermissions = systemConfig.getSystemPermissions(); |
| 347 | mGlobalGids = systemConfig.getGlobalGids(); |
Todd Kennedy | 7e3dd3a | 2019-07-08 10:34:29 -0700 | [diff] [blame] | 348 | mOnPermissionChangeListeners = new OnPermissionChangeListeners(FgThread.get().getLooper()); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 349 | |
| 350 | // propagate permission configuration |
| 351 | final ArrayMap<String, SystemConfig.PermissionEntry> permConfig = |
| 352 | SystemConfig.getInstance().getPermissions(); |
| 353 | synchronized (mLock) { |
| 354 | for (int i=0; i<permConfig.size(); i++) { |
| 355 | final SystemConfig.PermissionEntry perm = permConfig.valueAt(i); |
| 356 | BasePermission bp = mSettings.getPermissionLocked(perm.name); |
| 357 | if (bp == null) { |
| 358 | bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); |
| 359 | mSettings.putPermissionLocked(perm.name, bp); |
| 360 | } |
| 361 | if (perm.gids != null) { |
| 362 | bp.setGids(perm.gids, perm.perUser); |
| 363 | } |
| 364 | } |
| 365 | } |
| 366 | |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 367 | PermissionManagerServiceInternalImpl localService = |
| 368 | new PermissionManagerServiceInternalImpl(); |
| 369 | LocalServices.addService(PermissionManagerServiceInternal.class, localService); |
| 370 | LocalServices.addService(PermissionManagerInternal.class, localService); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 371 | } |
| 372 | |
| 373 | /** |
| 374 | * Creates and returns an initialized, internal service for use by other components. |
| 375 | * <p> |
| 376 | * 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] | 377 | * {@code LocalServices.getService(PermissionManagerServiceInternal.class);} |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 378 | * <p> |
| 379 | * NOTE: The external lock is temporary and should be removed. This needs to be a |
| 380 | * lock created by the permission manager itself. |
| 381 | */ |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 382 | public static PermissionManagerServiceInternal create(Context context, |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 383 | @NonNull Object externalLock) { |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 384 | final PermissionManagerServiceInternal permMgrInt = |
| 385 | LocalServices.getService(PermissionManagerServiceInternal.class); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 386 | if (permMgrInt != null) { |
| 387 | return permMgrInt; |
| 388 | } |
Todd Kennedy | 8f13598 | 2019-07-02 07:35:15 -0700 | [diff] [blame] | 389 | PermissionManagerService permissionService = |
| 390 | (PermissionManagerService) ServiceManager.getService("permissionmgr"); |
| 391 | if (permissionService == null) { |
| 392 | permissionService = |
| 393 | new PermissionManagerService(context, externalLock); |
| 394 | ServiceManager.addService("permissionmgr", permissionService); |
| 395 | } |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 396 | return LocalServices.getService(PermissionManagerServiceInternal.class); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 397 | } |
| 398 | |
Todd Kennedy | 7e3dd3a | 2019-07-08 10:34:29 -0700 | [diff] [blame] | 399 | /** |
| 400 | * This method should typically only be used when granting or revoking |
| 401 | * permissions, since the app may immediately restart after this call. |
| 402 | * <p> |
| 403 | * If you're doing surgery on app code/data, use {@link PackageFreezer} to |
| 404 | * guard your work against the app being relaunched. |
| 405 | */ |
| 406 | public static void killUid(int appId, int userId, String reason) { |
| 407 | final long identity = Binder.clearCallingIdentity(); |
| 408 | try { |
| 409 | IActivityManager am = ActivityManager.getService(); |
| 410 | if (am != null) { |
| 411 | try { |
| 412 | am.killUid(appId, userId, reason); |
| 413 | } catch (RemoteException e) { |
| 414 | /* ignore - same process */ |
| 415 | } |
| 416 | } |
| 417 | } finally { |
| 418 | Binder.restoreCallingIdentity(identity); |
| 419 | } |
| 420 | } |
| 421 | |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 422 | @Nullable BasePermission getPermission(String permName) { |
| 423 | synchronized (mLock) { |
| 424 | return mSettings.getPermissionLocked(permName); |
| 425 | } |
| 426 | } |
| 427 | |
Todd Kennedy | 8f13598 | 2019-07-02 07:35:15 -0700 | [diff] [blame] | 428 | @Override |
| 429 | public String[] getAppOpPermissionPackages(String permName) { |
| 430 | return getAppOpPermissionPackagesInternal(permName, getCallingUid()); |
| 431 | } |
| 432 | |
| 433 | private String[] getAppOpPermissionPackagesInternal(String permName, int callingUid) { |
| 434 | if (mPackageManagerInt.getInstantAppPackageName(callingUid) != null) { |
| 435 | return null; |
| 436 | } |
| 437 | synchronized (mLock) { |
| 438 | final ArraySet<String> pkgs = mSettings.mAppOpPermissionPackages.get(permName); |
| 439 | if (pkgs == null) { |
| 440 | return null; |
| 441 | } |
| 442 | return pkgs.toArray(new String[pkgs.size()]); |
| 443 | } |
| 444 | } |
| 445 | |
Todd Kennedy | 1d29b4a | 2019-07-02 14:49:28 -0700 | [diff] [blame] | 446 | @Override |
| 447 | @NonNull |
| 448 | public ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups( |
| 449 | @PermissionGroupInfoFlags int flags) { |
| 450 | final int callingUid = getCallingUid(); |
| 451 | if (mPackageManagerInt.getInstantAppPackageName(callingUid) != null) { |
| 452 | return ParceledListSlice.emptyList(); |
| 453 | } |
| 454 | synchronized (mLock) { |
| 455 | final int n = mSettings.mPermissionGroups.size(); |
| 456 | final ArrayList<PermissionGroupInfo> out = |
| 457 | new ArrayList<PermissionGroupInfo>(n); |
| 458 | for (PackageParser.PermissionGroup pg : mSettings.mPermissionGroups.values()) { |
| 459 | out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); |
| 460 | } |
| 461 | return new ParceledListSlice<>(out); |
| 462 | } |
| 463 | } |
| 464 | |
| 465 | |
| 466 | @Override |
| 467 | @Nullable |
| 468 | public PermissionGroupInfo getPermissionGroupInfo(String groupName, |
| 469 | @PermissionGroupInfoFlags int flags) { |
| 470 | final int callingUid = getCallingUid(); |
| 471 | if (mPackageManagerInt.getInstantAppPackageName(callingUid) != null) { |
| 472 | return null; |
| 473 | } |
| 474 | synchronized (mLock) { |
| 475 | return PackageParser.generatePermissionGroupInfo( |
| 476 | mSettings.mPermissionGroups.get(groupName), flags); |
| 477 | } |
| 478 | } |
| 479 | |
| 480 | |
| 481 | @Override |
| 482 | @Nullable |
| 483 | public PermissionInfo getPermissionInfo(String permName, String packageName, |
| 484 | @PermissionInfoFlags int flags) { |
| 485 | final int callingUid = getCallingUid(); |
| 486 | if (mPackageManagerInt.getInstantAppPackageName(callingUid) != null) { |
| 487 | return null; |
| 488 | } |
| 489 | synchronized (mLock) { |
| 490 | final BasePermission bp = mSettings.getPermissionLocked(permName); |
| 491 | if (bp == null) { |
| 492 | return null; |
| 493 | } |
| 494 | final int adjustedProtectionLevel = adjustPermissionProtectionFlagsLocked( |
| 495 | bp.getProtectionLevel(), packageName, callingUid); |
| 496 | return bp.generatePermissionInfo(adjustedProtectionLevel, flags); |
| 497 | } |
| 498 | } |
| 499 | |
| 500 | @Override |
| 501 | @Nullable |
| 502 | public ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String groupName, |
| 503 | @PermissionInfoFlags int flags) { |
| 504 | final int callingUid = getCallingUid(); |
| 505 | if (mPackageManagerInt.getInstantAppPackageName(callingUid) != null) { |
| 506 | return null; |
| 507 | } |
| 508 | synchronized (mLock) { |
| 509 | if (groupName != null && !mSettings.mPermissionGroups.containsKey(groupName)) { |
| 510 | return null; |
| 511 | } |
| 512 | final ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); |
| 513 | for (BasePermission bp : mSettings.mPermissions.values()) { |
| 514 | final PermissionInfo pi = bp.generatePermissionInfo(groupName, flags); |
| 515 | if (pi != null) { |
| 516 | out.add(pi); |
| 517 | } |
| 518 | } |
| 519 | return new ParceledListSlice<>(out); |
| 520 | } |
| 521 | } |
| 522 | |
Todd Kennedy | 6ffc5a6 | 2019-07-03 09:35:31 -0700 | [diff] [blame] | 523 | @Override |
| 524 | public boolean addPermission(PermissionInfo info, boolean async) { |
| 525 | final int callingUid = getCallingUid(); |
| 526 | if (mPackageManagerInt.getInstantAppPackageName(callingUid) != null) { |
| 527 | throw new SecurityException("Instant apps can't add permissions"); |
| 528 | } |
| 529 | if (info.labelRes == 0 && info.nonLocalizedLabel == null) { |
| 530 | throw new SecurityException("Label must be specified in permission"); |
| 531 | } |
| 532 | final BasePermission tree = mSettings.enforcePermissionTree(info.name, callingUid); |
| 533 | final boolean added; |
| 534 | final boolean changed; |
| 535 | synchronized (mLock) { |
| 536 | BasePermission bp = mSettings.getPermissionLocked(info.name); |
| 537 | added = bp == null; |
| 538 | int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); |
| 539 | if (added) { |
| 540 | enforcePermissionCapLocked(info, tree); |
| 541 | bp = new BasePermission(info.name, tree.getSourcePackageName(), |
| 542 | BasePermission.TYPE_DYNAMIC); |
| 543 | } else if (!bp.isDynamic()) { |
| 544 | throw new SecurityException("Not allowed to modify non-dynamic permission " |
| 545 | + info.name); |
| 546 | } |
| 547 | changed = bp.addToTree(fixedLevel, info, tree); |
| 548 | if (added) { |
| 549 | mSettings.putPermissionLocked(info.name, bp); |
| 550 | } |
| 551 | } |
| 552 | if (changed) { |
| 553 | mPackageManagerInt.writeSettings(async); |
| 554 | } |
| 555 | return added; |
| 556 | } |
| 557 | |
| 558 | @Override |
| 559 | public void removePermission(String permName) { |
| 560 | final int callingUid = getCallingUid(); |
| 561 | if (mPackageManagerInt.getInstantAppPackageName(callingUid) != null) { |
| 562 | throw new SecurityException("Instant applications don't have access to this method"); |
| 563 | } |
| 564 | final BasePermission tree = mSettings.enforcePermissionTree(permName, callingUid); |
| 565 | synchronized (mLock) { |
| 566 | final BasePermission bp = mSettings.getPermissionLocked(permName); |
| 567 | if (bp == null) { |
| 568 | return; |
| 569 | } |
| 570 | if (bp.isDynamic()) { |
| 571 | // TODO: switch this back to SecurityException |
| 572 | Slog.wtf(TAG, "Not allowed to modify non-dynamic permission " |
| 573 | + permName); |
| 574 | } |
| 575 | mSettings.removePermissionLocked(permName); |
| 576 | mPackageManagerInt.writeSettings(false); |
| 577 | } |
| 578 | } |
Todd Kennedy | 1d29b4a | 2019-07-02 14:49:28 -0700 | [diff] [blame] | 579 | |
Todd Kennedy | 230c0a7 | 2019-07-03 13:06:35 -0700 | [diff] [blame] | 580 | @Override |
| 581 | public int getPermissionFlags(String permName, String packageName, int userId) { |
| 582 | final int callingUid = getCallingUid(); |
| 583 | return getPermissionFlagsInternal(permName, packageName, callingUid, userId); |
| 584 | } |
| 585 | |
| 586 | private int getPermissionFlagsInternal( |
| 587 | String permName, String packageName, int callingUid, int userId) { |
| 588 | if (!mUserManagerInt.exists(userId)) { |
| 589 | return 0; |
| 590 | } |
| 591 | |
| 592 | enforceGrantRevokeGetRuntimePermissionPermissions("getPermissionFlags"); |
| 593 | enforceCrossUserPermission(callingUid, userId, |
| 594 | true, // requireFullPermission |
| 595 | false, // checkShell |
| 596 | false, // requirePermissionWhenSameUser |
| 597 | "getPermissionFlags"); |
| 598 | |
| 599 | final PackageParser.Package pkg = mPackageManagerInt.getPackage(packageName); |
| 600 | if (pkg == null || pkg.mExtras == null) { |
| 601 | return 0; |
| 602 | } |
| 603 | synchronized (mLock) { |
| 604 | if (mSettings.getPermissionLocked(permName) == null) { |
| 605 | return 0; |
| 606 | } |
| 607 | } |
| 608 | if (mPackageManagerInt.filterAppAccess(pkg, callingUid, userId)) { |
| 609 | return 0; |
| 610 | } |
| 611 | final PackageSetting ps = (PackageSetting) pkg.mExtras; |
| 612 | PermissionsState permissionsState = ps.getPermissionsState(); |
| 613 | return permissionsState.getPermissionFlags(permName, userId); |
| 614 | } |
| 615 | |
| 616 | @Override |
| 617 | public void updatePermissionFlags(String permName, String packageName, int flagMask, |
| 618 | int flagValues, boolean checkAdjustPolicyFlagPermission, int userId) { |
| 619 | final int callingUid = getCallingUid(); |
| 620 | boolean overridePolicy = false; |
| 621 | |
| 622 | if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { |
| 623 | long callingIdentity = Binder.clearCallingIdentity(); |
| 624 | try { |
| 625 | if ((flagMask & FLAG_PERMISSION_POLICY_FIXED) != 0) { |
| 626 | if (checkAdjustPolicyFlagPermission) { |
| 627 | mContext.enforceCallingOrSelfPermission( |
| 628 | Manifest.permission.ADJUST_RUNTIME_PERMISSIONS_POLICY, |
| 629 | "Need " + Manifest.permission.ADJUST_RUNTIME_PERMISSIONS_POLICY |
| 630 | + " to change policy flags"); |
| 631 | } else if (mPackageManagerInt.getTargetSdk(callingUid) |
| 632 | >= Build.VERSION_CODES.Q) { |
| 633 | throw new IllegalArgumentException( |
| 634 | Manifest.permission.ADJUST_RUNTIME_PERMISSIONS_POLICY + " needs " |
| 635 | + " to be checked for packages targeting " |
| 636 | + Build.VERSION_CODES.Q + " or later when changing policy " |
| 637 | + "flags"); |
| 638 | } |
| 639 | overridePolicy = true; |
| 640 | } |
| 641 | } finally { |
| 642 | Binder.restoreCallingIdentity(callingIdentity); |
| 643 | } |
| 644 | } |
| 645 | |
| 646 | updatePermissionFlagsInternal( |
| 647 | permName, packageName, flagMask, flagValues, callingUid, userId, |
| 648 | overridePolicy, mDefaultPermissionCallback); |
| 649 | } |
| 650 | |
| 651 | private void updatePermissionFlagsInternal(String permName, String packageName, int flagMask, |
| 652 | int flagValues, int callingUid, int userId, boolean overridePolicy, |
| 653 | PermissionCallback callback) { |
| 654 | if (ApplicationPackageManager.DEBUG_TRACE_GRANTS |
| 655 | && ApplicationPackageManager.shouldTraceGrant(packageName, permName, userId)) { |
| 656 | Log.i(TAG, "System is updating flags for " |
| 657 | + permName + " for user " + userId + " " |
| 658 | + DebugUtils.flagsToString( |
| 659 | PackageManager.class, "FLAG_PERMISSION_", flagMask) |
| 660 | + " := " |
| 661 | + DebugUtils.flagsToString( |
| 662 | PackageManager.class, "FLAG_PERMISSION_", flagValues) |
| 663 | + " on behalf of uid " + callingUid |
| 664 | + " " + mPackageManagerInt.getNameForUid(callingUid), |
| 665 | new RuntimeException()); |
| 666 | } |
| 667 | |
| 668 | if (!mUserManagerInt.exists(userId)) { |
| 669 | return; |
| 670 | } |
| 671 | |
| 672 | enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); |
| 673 | |
| 674 | enforceCrossUserPermission(callingUid, userId, |
| 675 | true, // requireFullPermission |
| 676 | true, // checkShell |
| 677 | false, // requirePermissionWhenSameUser |
| 678 | "updatePermissionFlags"); |
| 679 | |
| 680 | if ((flagMask & FLAG_PERMISSION_POLICY_FIXED) != 0 && !overridePolicy) { |
| 681 | throw new SecurityException("updatePermissionFlags requires " |
| 682 | + Manifest.permission.ADJUST_RUNTIME_PERMISSIONS_POLICY); |
| 683 | } |
| 684 | |
| 685 | // Only the system can change these flags and nothing else. |
| 686 | if (callingUid != Process.SYSTEM_UID) { |
| 687 | flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; |
| 688 | flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; |
| 689 | flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; |
| 690 | flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; |
| 691 | flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; |
| 692 | flagValues &= ~PackageManager.FLAG_PERMISSION_RESTRICTION_SYSTEM_EXEMPT; |
| 693 | flagValues &= ~PackageManager.FLAG_PERMISSION_RESTRICTION_INSTALLER_EXEMPT; |
| 694 | flagValues &= ~PackageManager.FLAG_PERMISSION_RESTRICTION_UPGRADE_EXEMPT; |
| 695 | flagValues &= ~PackageManager.FLAG_PERMISSION_APPLY_RESTRICTION; |
| 696 | } |
| 697 | |
| 698 | final PackageParser.Package pkg = mPackageManagerInt.getPackage(packageName); |
| 699 | if (pkg == null || pkg.mExtras == null) { |
| 700 | Log.e(TAG, "Unknown package: " + packageName); |
| 701 | return; |
| 702 | } |
| 703 | if (mPackageManagerInt.filterAppAccess(pkg, callingUid, userId)) { |
| 704 | throw new IllegalArgumentException("Unknown package: " + packageName); |
| 705 | } |
| 706 | |
| 707 | final BasePermission bp; |
| 708 | synchronized (mLock) { |
| 709 | bp = mSettings.getPermissionLocked(permName); |
| 710 | } |
| 711 | if (bp == null) { |
| 712 | throw new IllegalArgumentException("Unknown permission: " + permName); |
| 713 | } |
| 714 | |
| 715 | final PackageSetting ps = (PackageSetting) pkg.mExtras; |
| 716 | final PermissionsState permissionsState = ps.getPermissionsState(); |
| 717 | final boolean hadState = |
| 718 | permissionsState.getRuntimePermissionState(permName, userId) != null; |
| 719 | final boolean permissionUpdated = |
| 720 | permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues); |
| 721 | if (permissionUpdated && bp.isRuntime()) { |
| 722 | notifyRuntimePermissionStateChanged(packageName, userId); |
| 723 | } |
| 724 | if (permissionUpdated && callback != null) { |
| 725 | // Install and runtime permissions are stored in different places, |
| 726 | // so figure out what permission changed and persist the change. |
| 727 | if (permissionsState.getInstallPermissionState(permName) != null) { |
| 728 | callback.onInstallPermissionUpdatedNotifyListener(pkg.applicationInfo.uid); |
| 729 | } else if (permissionsState.getRuntimePermissionState(permName, userId) != null |
| 730 | || hadState) { |
| 731 | callback.onPermissionUpdatedNotifyListener(new int[] { userId }, false, |
| 732 | pkg.applicationInfo.uid); |
| 733 | } |
| 734 | } |
| 735 | } |
| 736 | |
| 737 | /** |
| 738 | * Update the permission flags for all packages and runtime permissions of a user in order |
| 739 | * to allow device or profile owner to remove POLICY_FIXED. |
| 740 | */ |
| 741 | @Override |
| 742 | public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, |
| 743 | final int userId) { |
| 744 | final int callingUid = getCallingUid(); |
| 745 | if (!mUserManagerInt.exists(userId)) { |
| 746 | return; |
| 747 | } |
| 748 | |
| 749 | enforceGrantRevokeRuntimePermissionPermissions( |
| 750 | "updatePermissionFlagsForAllApps"); |
| 751 | enforceCrossUserPermission(callingUid, userId, |
| 752 | true, // requireFullPermission |
| 753 | true, // checkShell |
| 754 | false, // requirePermissionWhenSameUser |
| 755 | "updatePermissionFlagsForAllApps"); |
| 756 | |
| 757 | // Only the system can change system fixed flags. |
| 758 | final int effectiveFlagMask = (callingUid != Process.SYSTEM_UID) |
| 759 | ? flagMask : flagMask & ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; |
| 760 | final int effectiveFlagValues = (callingUid != Process.SYSTEM_UID) |
| 761 | ? flagValues : flagValues & ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; |
| 762 | |
| 763 | final boolean[] changed = new boolean[1]; |
| 764 | mPackageManagerInt.forEachPackage(new Consumer<PackageParser.Package>() { |
| 765 | @Override |
| 766 | public void accept(Package pkg) { |
| 767 | final PackageSetting ps = (PackageSetting) pkg.mExtras; |
| 768 | if (ps == null) { |
| 769 | return; |
| 770 | } |
| 771 | final PermissionsState permissionsState = ps.getPermissionsState(); |
| 772 | changed[0] |= permissionsState.updatePermissionFlagsForAllPermissions( |
| 773 | userId, effectiveFlagMask, effectiveFlagValues); |
Todd Kennedy | 7e3dd3a | 2019-07-08 10:34:29 -0700 | [diff] [blame] | 774 | mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); |
Todd Kennedy | 230c0a7 | 2019-07-03 13:06:35 -0700 | [diff] [blame] | 775 | } |
| 776 | }); |
| 777 | |
| 778 | if (changed[0]) { |
| 779 | mPackageManagerInt.writePermissionSettings(new int[] { userId }, true); |
| 780 | } |
| 781 | } |
| 782 | |
Todd Kennedy | ca1ea17 | 2019-07-03 15:02:28 -0700 | [diff] [blame] | 783 | @Override |
| 784 | public int checkPermission(String permName, String pkgName, int userId) { |
| 785 | final CheckPermissionDelegate checkPermissionDelegate; |
| 786 | synchronized (mLock) { |
| 787 | if (mCheckPermissionDelegate == null) { |
| 788 | return checkPermissionImpl(permName, pkgName, userId); |
| 789 | } |
| 790 | checkPermissionDelegate = mCheckPermissionDelegate; |
| 791 | } |
| 792 | return checkPermissionDelegate.checkPermission(permName, pkgName, userId, |
| 793 | PermissionManagerService.this::checkPermissionImpl); |
| 794 | } |
| 795 | |
| 796 | private int checkPermissionImpl(String permName, String pkgName, int userId) { |
| 797 | return checkPermissionInternal(permName, pkgName, getCallingUid(), userId); |
| 798 | } |
| 799 | |
| 800 | private int checkPermissionInternal(String permName, String packageName, int callingUid, |
| 801 | int userId) { |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 802 | if (!mUserManagerInt.exists(userId)) { |
| 803 | return PackageManager.PERMISSION_DENIED; |
| 804 | } |
Todd Kennedy | ca1ea17 | 2019-07-03 15:02:28 -0700 | [diff] [blame] | 805 | final PackageParser.Package pkg = mPackageManagerInt.getPackage(packageName); |
Patrick Baumann | 97b9b53 | 2018-04-11 14:51:30 +0000 | [diff] [blame] | 806 | if (pkg != null && pkg.mExtras != null) { |
| 807 | if (mPackageManagerInt.filterAppAccess(pkg, callingUid, userId)) { |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 808 | return PackageManager.PERMISSION_DENIED; |
| 809 | } |
Patrick Baumann | 97b9b53 | 2018-04-11 14:51:30 +0000 | [diff] [blame] | 810 | final PackageSetting ps = (PackageSetting) pkg.mExtras; |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 811 | final boolean instantApp = ps.getInstantApp(userId); |
| 812 | final PermissionsState permissionsState = ps.getPermissionsState(); |
| 813 | if (permissionsState.hasPermission(permName, userId)) { |
| 814 | if (instantApp) { |
| 815 | synchronized (mLock) { |
| 816 | BasePermission bp = mSettings.getPermissionLocked(permName); |
| 817 | if (bp != null && bp.isInstant()) { |
| 818 | return PackageManager.PERMISSION_GRANTED; |
| 819 | } |
| 820 | } |
| 821 | } else { |
| 822 | return PackageManager.PERMISSION_GRANTED; |
| 823 | } |
| 824 | } |
Hongwei Wang | f391b55 | 2018-04-06 13:52:46 -0700 | [diff] [blame] | 825 | if (isImpliedPermissionGranted(permissionsState, permName, userId)) { |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 826 | return PackageManager.PERMISSION_GRANTED; |
| 827 | } |
| 828 | } |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 829 | return PackageManager.PERMISSION_DENIED; |
| 830 | } |
| 831 | |
Todd Kennedy | ca1ea17 | 2019-07-03 15:02:28 -0700 | [diff] [blame] | 832 | @Override |
| 833 | public int checkUidPermission(String permName, int uid) { |
| 834 | final CheckPermissionDelegate checkPermissionDelegate; |
| 835 | synchronized (mLock) { |
| 836 | if (mCheckPermissionDelegate == null) { |
| 837 | return checkUidPermissionImpl(permName, uid); |
| 838 | } |
| 839 | checkPermissionDelegate = mCheckPermissionDelegate; |
| 840 | } |
| 841 | return checkPermissionDelegate.checkUidPermission(permName, uid, |
| 842 | PermissionManagerService.this::checkUidPermissionImpl); |
| 843 | } |
| 844 | |
| 845 | private int checkUidPermissionImpl(@NonNull String permName, int uid) { |
| 846 | final PackageParser.Package pkg = mPackageManagerInt.getPackage(uid); |
| 847 | synchronized (mLock) { |
| 848 | return checkUidPermissionInternal(permName, pkg, uid, getCallingUid()); |
| 849 | } |
| 850 | } |
| 851 | |
| 852 | /** |
| 853 | * Checks whether or not the given package has been granted the specified |
| 854 | * permission. If the given package is {@code null}, we instead check the |
| 855 | * system permissions for the given UID. |
| 856 | * |
| 857 | * @see SystemConfig#getSystemPermissions() |
| 858 | */ |
| 859 | private int checkUidPermissionInternal(@NonNull String permName, |
| 860 | @Nullable PackageParser.Package pkg, int uid, int callingUid) { |
Todd Kennedy | 3bc9472 | 2017-10-10 09:55:53 -0700 | [diff] [blame] | 861 | final int callingUserId = UserHandle.getUserId(callingUid); |
| 862 | final boolean isCallerInstantApp = |
| 863 | mPackageManagerInt.getInstantAppPackageName(callingUid) != null; |
| 864 | final boolean isUidInstantApp = |
| 865 | mPackageManagerInt.getInstantAppPackageName(uid) != null; |
| 866 | final int userId = UserHandle.getUserId(uid); |
| 867 | if (!mUserManagerInt.exists(userId)) { |
| 868 | return PackageManager.PERMISSION_DENIED; |
| 869 | } |
| 870 | |
Todd Kennedy | 3c71449 | 2017-10-27 09:12:50 -0700 | [diff] [blame] | 871 | if (pkg != null) { |
Todd Kennedy | 3bc9472 | 2017-10-10 09:55:53 -0700 | [diff] [blame] | 872 | if (pkg.mSharedUserId != null) { |
| 873 | if (isCallerInstantApp) { |
| 874 | return PackageManager.PERMISSION_DENIED; |
| 875 | } |
Todd Kennedy | 3c71449 | 2017-10-27 09:12:50 -0700 | [diff] [blame] | 876 | } else if (mPackageManagerInt.filterAppAccess(pkg, callingUid, callingUserId)) { |
| 877 | return PackageManager.PERMISSION_DENIED; |
Todd Kennedy | 3bc9472 | 2017-10-10 09:55:53 -0700 | [diff] [blame] | 878 | } |
| 879 | final PermissionsState permissionsState = |
| 880 | ((PackageSetting) pkg.mExtras).getPermissionsState(); |
| 881 | if (permissionsState.hasPermission(permName, userId)) { |
| 882 | if (isUidInstantApp) { |
| 883 | if (mSettings.isPermissionInstant(permName)) { |
| 884 | return PackageManager.PERMISSION_GRANTED; |
| 885 | } |
| 886 | } else { |
| 887 | return PackageManager.PERMISSION_GRANTED; |
| 888 | } |
| 889 | } |
Hongwei Wang | f391b55 | 2018-04-06 13:52:46 -0700 | [diff] [blame] | 890 | if (isImpliedPermissionGranted(permissionsState, permName, userId)) { |
Todd Kennedy | 3bc9472 | 2017-10-10 09:55:53 -0700 | [diff] [blame] | 891 | return PackageManager.PERMISSION_GRANTED; |
| 892 | } |
| 893 | } else { |
| 894 | ArraySet<String> perms = mSystemPermissions.get(uid); |
| 895 | if (perms != null) { |
| 896 | if (perms.contains(permName)) { |
| 897 | return PackageManager.PERMISSION_GRANTED; |
| 898 | } |
Hongwei Wang | f391b55 | 2018-04-06 13:52:46 -0700 | [diff] [blame] | 899 | if (FULLER_PERMISSION_MAP.containsKey(permName) |
| 900 | && perms.contains(FULLER_PERMISSION_MAP.get(permName))) { |
Todd Kennedy | 3bc9472 | 2017-10-10 09:55:53 -0700 | [diff] [blame] | 901 | return PackageManager.PERMISSION_GRANTED; |
| 902 | } |
| 903 | } |
| 904 | } |
| 905 | return PackageManager.PERMISSION_DENIED; |
| 906 | } |
| 907 | |
Todd Kennedy | 7e3dd3a | 2019-07-08 10:34:29 -0700 | [diff] [blame] | 908 | @Override |
| 909 | public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { |
| 910 | mContext.enforceCallingOrSelfPermission( |
| 911 | Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, |
| 912 | "addOnPermissionsChangeListener"); |
| 913 | |
| 914 | synchronized (mLock) { |
| 915 | mOnPermissionChangeListeners.addListenerLocked(listener); |
| 916 | } |
| 917 | } |
| 918 | |
| 919 | @Override |
| 920 | public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { |
| 921 | if (mPackageManagerInt.getInstantAppPackageName(Binder.getCallingUid()) != null) { |
| 922 | throw new SecurityException("Instant applications don't have access to this method"); |
| 923 | } |
| 924 | synchronized (mLock) { |
| 925 | mOnPermissionChangeListeners.removeListenerLocked(listener); |
| 926 | } |
| 927 | } |
| 928 | |
| 929 | @Override |
| 930 | @Nullable public List<String> getWhitelistedRestrictedPermissions(@NonNull String packageName, |
| 931 | @PermissionWhitelistFlags int flags, @UserIdInt int userId) { |
| 932 | Preconditions.checkNotNull(packageName); |
| 933 | Preconditions.checkFlagsArgument(flags, |
| 934 | PackageManager.FLAG_PERMISSION_WHITELIST_UPGRADE |
| 935 | | PackageManager.FLAG_PERMISSION_WHITELIST_SYSTEM |
| 936 | | PackageManager.FLAG_PERMISSION_WHITELIST_INSTALLER); |
| 937 | Preconditions.checkArgumentNonNegative(userId, null); |
| 938 | |
| 939 | if (UserHandle.getCallingUserId() != userId) { |
| 940 | mContext.enforceCallingOrSelfPermission( |
| 941 | android.Manifest.permission.INTERACT_ACROSS_USERS, |
| 942 | "getWhitelistedRestrictedPermissions for user " + userId); |
| 943 | } |
| 944 | |
| 945 | final PackageParser.Package pkg = mPackageManagerInt.getPackage(packageName); |
| 946 | if (pkg == null) { |
| 947 | return null; |
| 948 | } |
| 949 | |
| 950 | final int callingUid = Binder.getCallingUid(); |
| 951 | if (mPackageManagerInt.filterAppAccess(pkg, callingUid, UserHandle.getCallingUserId())) { |
| 952 | return null; |
| 953 | } |
| 954 | final boolean isCallerPrivileged = mContext.checkCallingOrSelfPermission( |
| 955 | Manifest.permission.WHITELIST_RESTRICTED_PERMISSIONS) |
| 956 | == PackageManager.PERMISSION_GRANTED; |
| 957 | final boolean isCallerInstallerOnRecord = |
| 958 | mPackageManagerInt.isCallerInstallerOfRecord(pkg, callingUid); |
| 959 | |
| 960 | if ((flags & PackageManager.FLAG_PERMISSION_WHITELIST_SYSTEM) != 0 |
| 961 | && !isCallerPrivileged) { |
| 962 | throw new SecurityException("Querying system whitelist requires " |
| 963 | + Manifest.permission.WHITELIST_RESTRICTED_PERMISSIONS); |
| 964 | } |
| 965 | |
| 966 | if ((flags & (PackageManager.FLAG_PERMISSION_WHITELIST_UPGRADE |
| 967 | | PackageManager.FLAG_PERMISSION_WHITELIST_INSTALLER)) != 0) { |
| 968 | if (!isCallerPrivileged && !isCallerInstallerOnRecord) { |
| 969 | throw new SecurityException("Querying upgrade or installer whitelist" |
| 970 | + " requires being installer on record or " |
| 971 | + Manifest.permission.WHITELIST_RESTRICTED_PERMISSIONS); |
| 972 | } |
| 973 | } |
| 974 | |
| 975 | final long identity = Binder.clearCallingIdentity(); |
| 976 | try { |
| 977 | final PermissionsState permissionsState = |
| 978 | PackageManagerServiceUtils.getPermissionsState(pkg); |
| 979 | if (permissionsState == null) { |
| 980 | return null; |
| 981 | } |
| 982 | |
| 983 | int queryFlags = 0; |
| 984 | if ((flags & PackageManager.FLAG_PERMISSION_WHITELIST_SYSTEM) != 0) { |
| 985 | queryFlags |= PackageManager.FLAG_PERMISSION_RESTRICTION_SYSTEM_EXEMPT; |
| 986 | } |
| 987 | if ((flags & PackageManager.FLAG_PERMISSION_WHITELIST_UPGRADE) != 0) { |
| 988 | queryFlags |= PackageManager.FLAG_PERMISSION_RESTRICTION_UPGRADE_EXEMPT; |
| 989 | } |
| 990 | if ((flags & PackageManager.FLAG_PERMISSION_WHITELIST_INSTALLER) != 0) { |
| 991 | queryFlags |= PackageManager.FLAG_PERMISSION_RESTRICTION_INSTALLER_EXEMPT; |
| 992 | } |
| 993 | |
| 994 | ArrayList<String> whitelistedPermissions = null; |
| 995 | |
| 996 | final int permissionCount = pkg.requestedPermissions.size(); |
| 997 | for (int i = 0; i < permissionCount; i++) { |
| 998 | final String permissionName = pkg.requestedPermissions.get(i); |
| 999 | final int currentFlags = |
| 1000 | permissionsState.getPermissionFlags(permissionName, userId); |
| 1001 | if ((currentFlags & queryFlags) != 0) { |
| 1002 | if (whitelistedPermissions == null) { |
| 1003 | whitelistedPermissions = new ArrayList<>(); |
| 1004 | } |
| 1005 | whitelistedPermissions.add(permissionName); |
| 1006 | } |
| 1007 | } |
| 1008 | |
| 1009 | return whitelistedPermissions; |
| 1010 | } finally { |
| 1011 | Binder.restoreCallingIdentity(identity); |
| 1012 | } |
| 1013 | } |
| 1014 | |
| 1015 | @Override |
| 1016 | public boolean addWhitelistedRestrictedPermission(@NonNull String packageName, |
| 1017 | @NonNull String permName, @PermissionWhitelistFlags int flags, |
| 1018 | @UserIdInt int userId) { |
| 1019 | // Other argument checks are done in get/setWhitelistedRestrictedPermissions |
| 1020 | Preconditions.checkNotNull(permName); |
| 1021 | |
| 1022 | if (!checkExistsAndEnforceCannotModifyImmutablyRestrictedPermission(permName)) { |
| 1023 | return false; |
| 1024 | } |
| 1025 | |
| 1026 | List<String> permissions = |
| 1027 | getWhitelistedRestrictedPermissions(packageName, flags, userId); |
| 1028 | if (permissions == null) { |
| 1029 | permissions = new ArrayList<>(1); |
| 1030 | } |
| 1031 | if (permissions.indexOf(permName) < 0) { |
| 1032 | permissions.add(permName); |
| 1033 | return setWhitelistedRestrictedPermissionsInternal(packageName, permissions, |
| 1034 | flags, userId); |
| 1035 | } |
| 1036 | return false; |
| 1037 | } |
| 1038 | |
| 1039 | private boolean checkExistsAndEnforceCannotModifyImmutablyRestrictedPermission( |
| 1040 | @NonNull String permName) { |
| 1041 | synchronized (mLock) { |
| 1042 | final BasePermission bp = mSettings.getPermissionLocked(permName); |
| 1043 | if (bp == null) { |
| 1044 | Slog.w(TAG, "No such permissions: " + permName); |
| 1045 | return false; |
| 1046 | } |
| 1047 | if (bp.isHardOrSoftRestricted() && bp.isImmutablyRestricted() |
| 1048 | && mContext.checkCallingOrSelfPermission( |
| 1049 | Manifest.permission.WHITELIST_RESTRICTED_PERMISSIONS) |
| 1050 | != PackageManager.PERMISSION_GRANTED) { |
| 1051 | throw new SecurityException("Cannot modify whitelisting of an immutably " |
| 1052 | + "restricted permission: " + permName); |
| 1053 | } |
| 1054 | return true; |
| 1055 | } |
| 1056 | } |
| 1057 | |
| 1058 | @Override |
| 1059 | public boolean removeWhitelistedRestrictedPermission(@NonNull String packageName, |
| 1060 | @NonNull String permName, @PermissionWhitelistFlags int flags, |
| 1061 | @UserIdInt int userId) { |
| 1062 | // Other argument checks are done in get/setWhitelistedRestrictedPermissions |
| 1063 | Preconditions.checkNotNull(permName); |
| 1064 | |
| 1065 | if (!checkExistsAndEnforceCannotModifyImmutablyRestrictedPermission(permName)) { |
| 1066 | return false; |
| 1067 | } |
| 1068 | |
| 1069 | final List<String> permissions = |
| 1070 | getWhitelistedRestrictedPermissions(packageName, flags, userId); |
| 1071 | if (permissions != null && permissions.remove(permName)) { |
| 1072 | return setWhitelistedRestrictedPermissionsInternal(packageName, permissions, |
| 1073 | flags, userId); |
| 1074 | } |
| 1075 | return false; |
| 1076 | } |
| 1077 | |
| 1078 | private boolean setWhitelistedRestrictedPermissionsInternal(@NonNull String packageName, |
| 1079 | @Nullable List<String> permissions, @PermissionWhitelistFlags int flags, |
| 1080 | @UserIdInt int userId) { |
| 1081 | Preconditions.checkNotNull(packageName); |
| 1082 | Preconditions.checkFlagsArgument(flags, |
| 1083 | PackageManager.FLAG_PERMISSION_WHITELIST_UPGRADE |
| 1084 | | PackageManager.FLAG_PERMISSION_WHITELIST_SYSTEM |
| 1085 | | PackageManager.FLAG_PERMISSION_WHITELIST_INSTALLER); |
| 1086 | Preconditions.checkArgument(Integer.bitCount(flags) == 1); |
| 1087 | Preconditions.checkArgumentNonNegative(userId, null); |
| 1088 | |
| 1089 | if (UserHandle.getCallingUserId() != userId) { |
| 1090 | mContext.enforceCallingOrSelfPermission( |
| 1091 | Manifest.permission.INTERACT_ACROSS_USERS, |
| 1092 | "setWhitelistedRestrictedPermissions for user " + userId); |
| 1093 | } |
| 1094 | |
| 1095 | final PackageParser.Package pkg = mPackageManagerInt.getPackage(packageName); |
| 1096 | if (pkg == null) { |
| 1097 | return false; |
| 1098 | } |
| 1099 | |
| 1100 | final int callingUid = Binder.getCallingUid(); |
| 1101 | if (mPackageManagerInt.filterAppAccess(pkg, callingUid, UserHandle.getCallingUserId())) { |
| 1102 | return false; |
| 1103 | } |
| 1104 | |
| 1105 | final boolean isCallerPrivileged = mContext.checkCallingOrSelfPermission( |
| 1106 | Manifest.permission.WHITELIST_RESTRICTED_PERMISSIONS) |
| 1107 | == PackageManager.PERMISSION_GRANTED; |
| 1108 | final boolean isCallerInstallerOnRecord = |
| 1109 | mPackageManagerInt.isCallerInstallerOfRecord(pkg, callingUid); |
| 1110 | |
| 1111 | if ((flags & PackageManager.FLAG_PERMISSION_WHITELIST_SYSTEM) != 0 |
| 1112 | && !isCallerPrivileged) { |
| 1113 | throw new SecurityException("Modifying system whitelist requires " |
| 1114 | + Manifest.permission.WHITELIST_RESTRICTED_PERMISSIONS); |
| 1115 | } |
| 1116 | |
| 1117 | if ((flags & PackageManager.FLAG_PERMISSION_WHITELIST_UPGRADE) != 0) { |
| 1118 | if (!isCallerPrivileged && !isCallerInstallerOnRecord) { |
| 1119 | throw new SecurityException("Modifying upgrade whitelist requires" |
| 1120 | + " being installer on record or " |
| 1121 | + Manifest.permission.WHITELIST_RESTRICTED_PERMISSIONS); |
| 1122 | } |
| 1123 | final List<String> whitelistedPermissions = |
| 1124 | getWhitelistedRestrictedPermissions(pkg.packageName, flags, userId); |
| 1125 | if (permissions == null || permissions.isEmpty()) { |
| 1126 | if (whitelistedPermissions == null || whitelistedPermissions.isEmpty()) { |
| 1127 | return true; |
| 1128 | } |
| 1129 | } else { |
| 1130 | // Only the system can add and remove while the installer can only remove. |
| 1131 | final int permissionCount = permissions.size(); |
| 1132 | for (int i = 0; i < permissionCount; i++) { |
| 1133 | if ((whitelistedPermissions == null |
| 1134 | || !whitelistedPermissions.contains(permissions.get(i))) |
| 1135 | && !isCallerPrivileged) { |
| 1136 | throw new SecurityException("Adding to upgrade whitelist requires" |
| 1137 | + Manifest.permission.WHITELIST_RESTRICTED_PERMISSIONS); |
| 1138 | } |
| 1139 | } |
| 1140 | } |
| 1141 | |
| 1142 | if ((flags & PackageManager.FLAG_PERMISSION_WHITELIST_INSTALLER) != 0) { |
| 1143 | if (!isCallerPrivileged && !isCallerInstallerOnRecord) { |
| 1144 | throw new SecurityException("Modifying installer whitelist requires" |
| 1145 | + " being installer on record or " |
| 1146 | + Manifest.permission.WHITELIST_RESTRICTED_PERMISSIONS); |
| 1147 | } |
| 1148 | } |
| 1149 | } |
| 1150 | |
| 1151 | final long identity = Binder.clearCallingIdentity(); |
| 1152 | try { |
| 1153 | setWhitelistedRestrictedPermissionsForUser( |
| 1154 | pkg, userId, permissions, Process.myUid(), flags, mDefaultPermissionCallback); |
| 1155 | } finally { |
| 1156 | Binder.restoreCallingIdentity(identity); |
| 1157 | } |
| 1158 | |
| 1159 | return true; |
| 1160 | } |
| 1161 | |
Todd Kennedy | c971a45 | 2019-07-08 16:04:52 -0700 | [diff] [blame] | 1162 | @Override |
| 1163 | public void grantRuntimePermission(String packageName, String permName, final int userId) { |
| 1164 | final int callingUid = Binder.getCallingUid(); |
| 1165 | final boolean overridePolicy = |
| 1166 | checkUidPermission(ADJUST_RUNTIME_PERMISSIONS_POLICY, callingUid) |
| 1167 | == PackageManager.PERMISSION_GRANTED; |
| 1168 | |
| 1169 | grantRuntimePermissionInternal(permName, packageName, overridePolicy, |
| 1170 | callingUid, userId, mDefaultPermissionCallback); |
| 1171 | } |
| 1172 | |
| 1173 | // TODO swap permission name and package name |
| 1174 | private void grantRuntimePermissionInternal(String permName, String packageName, |
| 1175 | boolean overridePolicy, int callingUid, final int userId, PermissionCallback callback) { |
| 1176 | if (ApplicationPackageManager.DEBUG_TRACE_GRANTS |
| 1177 | && ApplicationPackageManager.shouldTraceGrant(packageName, permName, userId)) { |
| 1178 | Log.i(TAG, "System is granting " |
| 1179 | + permName + " for user " + userId + " on behalf of uid " + callingUid |
| 1180 | + " " + mPackageManagerInt.getNameForUid(callingUid), |
| 1181 | new RuntimeException()); |
| 1182 | } |
| 1183 | if (!mUserManagerInt.exists(userId)) { |
| 1184 | Log.e(TAG, "No such user:" + userId); |
| 1185 | return; |
| 1186 | } |
| 1187 | |
| 1188 | mContext.enforceCallingOrSelfPermission( |
| 1189 | android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, |
| 1190 | "grantRuntimePermission"); |
| 1191 | |
| 1192 | enforceCrossUserPermission(callingUid, userId, |
| 1193 | true, // requireFullPermission |
| 1194 | true, // checkShell |
| 1195 | false, // requirePermissionWhenSameUser |
| 1196 | "grantRuntimePermission"); |
| 1197 | |
| 1198 | final PackageParser.Package pkg = mPackageManagerInt.getPackage(packageName); |
| 1199 | if (pkg == null || pkg.mExtras == null) { |
| 1200 | throw new IllegalArgumentException("Unknown package: " + packageName); |
| 1201 | } |
| 1202 | final BasePermission bp; |
| 1203 | synchronized (mLock) { |
| 1204 | bp = mSettings.getPermissionLocked(permName); |
| 1205 | } |
| 1206 | if (bp == null) { |
| 1207 | throw new IllegalArgumentException("Unknown permission: " + permName); |
| 1208 | } |
| 1209 | if (mPackageManagerInt.filterAppAccess(pkg, callingUid, userId)) { |
| 1210 | throw new IllegalArgumentException("Unknown package: " + packageName); |
| 1211 | } |
| 1212 | |
| 1213 | bp.enforceDeclaredUsedAndRuntimeOrDevelopment(pkg); |
| 1214 | |
| 1215 | // If a permission review is required for legacy apps we represent |
| 1216 | // their permissions as always granted runtime ones since we need |
| 1217 | // to keep the review required permission flag per user while an |
| 1218 | // install permission's state is shared across all users. |
| 1219 | if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M |
| 1220 | && bp.isRuntime()) { |
| 1221 | return; |
| 1222 | } |
| 1223 | |
| 1224 | final int uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); |
| 1225 | |
| 1226 | final PackageSetting ps = (PackageSetting) pkg.mExtras; |
| 1227 | final PermissionsState permissionsState = ps.getPermissionsState(); |
| 1228 | |
| 1229 | final int flags = permissionsState.getPermissionFlags(permName, userId); |
| 1230 | if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { |
| 1231 | Log.e(TAG, "Cannot grant system fixed permission " |
| 1232 | + permName + " for package " + packageName); |
| 1233 | return; |
| 1234 | } |
| 1235 | if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { |
| 1236 | Log.e(TAG, "Cannot grant policy fixed permission " |
| 1237 | + permName + " for package " + packageName); |
| 1238 | return; |
| 1239 | } |
| 1240 | |
| 1241 | if (bp.isHardRestricted() |
| 1242 | && (flags & PackageManager.FLAGS_PERMISSION_RESTRICTION_ANY_EXEMPT) == 0) { |
| 1243 | Log.e(TAG, "Cannot grant hard restricted non-exempt permission " |
| 1244 | + permName + " for package " + packageName); |
| 1245 | return; |
| 1246 | } |
| 1247 | |
| 1248 | if (bp.isSoftRestricted() && !SoftRestrictedPermissionPolicy.forPermission(mContext, |
| 1249 | pkg.applicationInfo, UserHandle.of(userId), permName).canBeGranted()) { |
| 1250 | Log.e(TAG, "Cannot grant soft restricted permission " + permName + " for package " |
| 1251 | + packageName); |
| 1252 | return; |
| 1253 | } |
| 1254 | |
| 1255 | if (bp.isDevelopment()) { |
| 1256 | // Development permissions must be handled specially, since they are not |
| 1257 | // normal runtime permissions. For now they apply to all users. |
| 1258 | if (permissionsState.grantInstallPermission(bp) |
| 1259 | != PERMISSION_OPERATION_FAILURE) { |
| 1260 | if (callback != null) { |
| 1261 | callback.onInstallPermissionGranted(); |
| 1262 | } |
| 1263 | } |
| 1264 | return; |
| 1265 | } |
| 1266 | |
| 1267 | if (ps.getInstantApp(userId) && !bp.isInstant()) { |
| 1268 | throw new SecurityException("Cannot grant non-ephemeral permission" |
| 1269 | + permName + " for package " + packageName); |
| 1270 | } |
| 1271 | |
| 1272 | if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { |
| 1273 | Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); |
| 1274 | return; |
| 1275 | } |
| 1276 | |
| 1277 | final int result = permissionsState.grantRuntimePermission(bp, userId); |
| 1278 | switch (result) { |
| 1279 | case PERMISSION_OPERATION_FAILURE: { |
| 1280 | return; |
| 1281 | } |
| 1282 | |
| 1283 | case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { |
| 1284 | if (callback != null) { |
| 1285 | callback.onGidsChanged(UserHandle.getAppId(pkg.applicationInfo.uid), userId); |
| 1286 | } |
| 1287 | } |
| 1288 | break; |
| 1289 | } |
| 1290 | |
| 1291 | if (bp.isRuntime()) { |
| 1292 | logPermission(MetricsEvent.ACTION_PERMISSION_GRANTED, permName, packageName); |
| 1293 | } |
| 1294 | |
| 1295 | if (callback != null) { |
| 1296 | callback.onPermissionGranted(uid, userId); |
| 1297 | } |
| 1298 | |
| 1299 | if (bp.isRuntime()) { |
| 1300 | notifyRuntimePermissionStateChanged(packageName, userId); |
| 1301 | } |
| 1302 | |
| 1303 | // Only need to do this if user is initialized. Otherwise it's a new user |
| 1304 | // and there are no processes running as the user yet and there's no need |
| 1305 | // to make an expensive call to remount processes for the changed permissions. |
| 1306 | if (READ_EXTERNAL_STORAGE.equals(permName) |
| 1307 | || WRITE_EXTERNAL_STORAGE.equals(permName)) { |
| 1308 | final long token = Binder.clearCallingIdentity(); |
| 1309 | try { |
| 1310 | if (mUserManagerInt.isUserInitialized(userId)) { |
| 1311 | StorageManagerInternal storageManagerInternal = LocalServices.getService( |
| 1312 | StorageManagerInternal.class); |
| 1313 | storageManagerInternal.onExternalStoragePolicyChanged(uid, packageName); |
| 1314 | } |
| 1315 | } finally { |
| 1316 | Binder.restoreCallingIdentity(token); |
| 1317 | } |
| 1318 | } |
| 1319 | |
| 1320 | } |
| 1321 | |
| 1322 | @Override |
| 1323 | public void revokeRuntimePermission(String packageName, String permName, int userId) { |
| 1324 | final int callingUid = Binder.getCallingUid(); |
| 1325 | final boolean overridePolicy = |
| 1326 | checkUidPermission(ADJUST_RUNTIME_PERMISSIONS_POLICY, callingUid) |
| 1327 | == PackageManager.PERMISSION_GRANTED; |
| 1328 | |
| 1329 | revokeRuntimePermissionInternal(permName, packageName, overridePolicy, callingUid, userId, |
| 1330 | mDefaultPermissionCallback); |
| 1331 | } |
| 1332 | |
| 1333 | // TODO swap permission name and package name |
| 1334 | private void revokeRuntimePermissionInternal(String permName, String packageName, |
| 1335 | boolean overridePolicy, int callingUid, final int userId, PermissionCallback callback) { |
| 1336 | if (ApplicationPackageManager.DEBUG_TRACE_GRANTS |
| 1337 | && ApplicationPackageManager.shouldTraceGrant(packageName, permName, userId)) { |
| 1338 | Log.i(TAG, "System is revoking " |
| 1339 | + permName + " for user " + userId + " on behalf of uid " + callingUid |
| 1340 | + " " + mPackageManagerInt.getNameForUid(callingUid), |
| 1341 | new RuntimeException()); |
| 1342 | } |
| 1343 | if (!mUserManagerInt.exists(userId)) { |
| 1344 | Log.e(TAG, "No such user:" + userId); |
| 1345 | return; |
| 1346 | } |
| 1347 | |
| 1348 | mContext.enforceCallingOrSelfPermission( |
| 1349 | android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, |
| 1350 | "revokeRuntimePermission"); |
| 1351 | |
| 1352 | enforceCrossUserPermission(callingUid, userId, |
| 1353 | true, // requireFullPermission |
| 1354 | true, // checkShell |
| 1355 | false, // requirePermissionWhenSameUser |
| 1356 | "revokeRuntimePermission"); |
| 1357 | |
| 1358 | final PackageParser.Package pkg = mPackageManagerInt.getPackage(packageName); |
| 1359 | if (pkg == null || pkg.mExtras == null) { |
| 1360 | throw new IllegalArgumentException("Unknown package: " + packageName); |
| 1361 | } |
| 1362 | if (mPackageManagerInt.filterAppAccess(pkg, callingUid, userId)) { |
| 1363 | throw new IllegalArgumentException("Unknown package: " + packageName); |
| 1364 | } |
| 1365 | final BasePermission bp = mSettings.getPermissionLocked(permName); |
| 1366 | if (bp == null) { |
| 1367 | throw new IllegalArgumentException("Unknown permission: " + permName); |
| 1368 | } |
| 1369 | |
| 1370 | bp.enforceDeclaredUsedAndRuntimeOrDevelopment(pkg); |
| 1371 | |
| 1372 | // If a permission review is required for legacy apps we represent |
| 1373 | // their permissions as always granted runtime ones since we need |
| 1374 | // to keep the review required permission flag per user while an |
| 1375 | // install permission's state is shared across all users. |
| 1376 | if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M |
| 1377 | && bp.isRuntime()) { |
| 1378 | return; |
| 1379 | } |
| 1380 | |
| 1381 | final PackageSetting ps = (PackageSetting) pkg.mExtras; |
| 1382 | final PermissionsState permissionsState = ps.getPermissionsState(); |
| 1383 | |
| 1384 | final int flags = permissionsState.getPermissionFlags(permName, userId); |
| 1385 | // Only the system may revoke SYSTEM_FIXED permissions. |
| 1386 | if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0 |
| 1387 | && UserHandle.getCallingAppId() != Process.SYSTEM_UID) { |
| 1388 | throw new SecurityException("Non-System UID cannot revoke system fixed permission " |
| 1389 | + permName + " for package " + packageName); |
| 1390 | } |
| 1391 | if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { |
| 1392 | throw new SecurityException("Cannot revoke policy fixed permission " |
| 1393 | + permName + " for package " + packageName); |
| 1394 | } |
| 1395 | |
| 1396 | if (bp.isDevelopment()) { |
| 1397 | // Development permissions must be handled specially, since they are not |
| 1398 | // normal runtime permissions. For now they apply to all users. |
| 1399 | if (permissionsState.revokeInstallPermission(bp) |
| 1400 | != PERMISSION_OPERATION_FAILURE) { |
| 1401 | if (callback != null) { |
| 1402 | mDefaultPermissionCallback.onInstallPermissionRevoked(); |
| 1403 | } |
| 1404 | } |
| 1405 | return; |
| 1406 | } |
| 1407 | |
| 1408 | // Permission is already revoked, no need to do anything. |
| 1409 | if (!permissionsState.hasRuntimePermission(permName, userId)) { |
| 1410 | return; |
| 1411 | } |
| 1412 | |
| 1413 | if (permissionsState.revokeRuntimePermission(bp, userId) |
| 1414 | == PERMISSION_OPERATION_FAILURE) { |
| 1415 | return; |
| 1416 | } |
| 1417 | |
| 1418 | if (bp.isRuntime()) { |
| 1419 | logPermission(MetricsEvent.ACTION_PERMISSION_REVOKED, permName, packageName); |
| 1420 | } |
| 1421 | |
| 1422 | if (callback != null) { |
| 1423 | callback.onPermissionRevoked(pkg.applicationInfo.uid, userId); |
| 1424 | } |
| 1425 | |
| 1426 | if (bp.isRuntime()) { |
| 1427 | notifyRuntimePermissionStateChanged(packageName, userId); |
| 1428 | } |
| 1429 | } |
| 1430 | |
| 1431 | @Override |
| 1432 | public void resetRuntimePermissions() { |
| 1433 | mContext.enforceCallingOrSelfPermission( |
| 1434 | android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, |
| 1435 | "revokeRuntimePermission"); |
| 1436 | |
| 1437 | final int callingUid = Binder.getCallingUid(); |
| 1438 | if (callingUid != Process.SYSTEM_UID && callingUid != 0) { |
| 1439 | mContext.enforceCallingOrSelfPermission( |
| 1440 | android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, |
| 1441 | "resetRuntimePermissions"); |
| 1442 | } |
| 1443 | |
| 1444 | updateAllPermissions( |
| 1445 | StorageManager.UUID_PRIVATE_INTERNAL, false, mDefaultPermissionCallback); |
| 1446 | for (final int userId : UserManagerService.getInstance().getUserIds()) { |
| 1447 | mPackageManagerInt.forEachPackage( |
| 1448 | (PackageParser.Package pkg) -> resetRuntimePermissionsInternal(pkg, userId)); |
| 1449 | } |
| 1450 | } |
| 1451 | |
| 1452 | /** |
| 1453 | * Reverts user permission state changes (permissions and flags). |
| 1454 | * |
Hai Zhang | 4ffebb7 | 2019-07-18 14:50:58 -0700 | [diff] [blame] | 1455 | * @param pkg The package for which to reset. |
Todd Kennedy | c971a45 | 2019-07-08 16:04:52 -0700 | [diff] [blame] | 1456 | * @param userId The device user for which to do a reset. |
| 1457 | */ |
Patrick Baumann | 865fd3a | 2019-07-26 14:53:02 -0700 | [diff] [blame] | 1458 | @GuardedBy("mLock") |
Todd Kennedy | c971a45 | 2019-07-08 16:04:52 -0700 | [diff] [blame] | 1459 | private void resetRuntimePermissionsInternal(final PackageParser.Package pkg, |
| 1460 | final int userId) { |
| 1461 | final String packageName = pkg.packageName; |
| 1462 | |
| 1463 | // These are flags that can change base on user actions. |
| 1464 | final int userSettableMask = FLAG_PERMISSION_USER_SET |
| 1465 | | FLAG_PERMISSION_USER_FIXED |
| 1466 | | FLAG_PERMISSION_REVOKE_ON_UPGRADE |
| 1467 | | FLAG_PERMISSION_REVIEW_REQUIRED; |
| 1468 | |
| 1469 | final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED |
| 1470 | | FLAG_PERMISSION_POLICY_FIXED; |
| 1471 | |
| 1472 | // Delay and combine non-async permission callbacks |
| 1473 | final int permissionCount = pkg.requestedPermissions.size(); |
| 1474 | final boolean[] permissionRemoved = new boolean[1]; |
| 1475 | final ArraySet<Long> revokedPermissions = new ArraySet<>(); |
| 1476 | final IntArray syncUpdatedUsers = new IntArray(permissionCount); |
| 1477 | final IntArray asyncUpdatedUsers = new IntArray(permissionCount); |
| 1478 | |
| 1479 | PermissionCallback delayingPermCallback = new PermissionCallback() { |
| 1480 | public void onGidsChanged(int appId, int userId) { |
| 1481 | mDefaultPermissionCallback.onGidsChanged(appId, userId); |
| 1482 | } |
| 1483 | |
| 1484 | public void onPermissionChanged() { |
| 1485 | mDefaultPermissionCallback.onPermissionChanged(); |
| 1486 | } |
| 1487 | |
| 1488 | public void onPermissionGranted(int uid, int userId) { |
| 1489 | mDefaultPermissionCallback.onPermissionGranted(uid, userId); |
| 1490 | } |
| 1491 | |
| 1492 | public void onInstallPermissionGranted() { |
| 1493 | mDefaultPermissionCallback.onInstallPermissionGranted(); |
| 1494 | } |
| 1495 | |
| 1496 | public void onPermissionRevoked(int uid, int userId) { |
| 1497 | revokedPermissions.add(IntPair.of(uid, userId)); |
| 1498 | |
| 1499 | syncUpdatedUsers.add(userId); |
| 1500 | } |
| 1501 | |
| 1502 | public void onInstallPermissionRevoked() { |
| 1503 | mDefaultPermissionCallback.onInstallPermissionRevoked(); |
| 1504 | } |
| 1505 | |
| 1506 | public void onPermissionUpdated(int[] updatedUserIds, boolean sync) { |
| 1507 | for (int userId : updatedUserIds) { |
| 1508 | if (sync) { |
| 1509 | syncUpdatedUsers.add(userId); |
| 1510 | asyncUpdatedUsers.remove(userId); |
| 1511 | } else { |
| 1512 | // Don't override sync=true by sync=false |
| 1513 | if (syncUpdatedUsers.indexOf(userId) == -1) { |
| 1514 | asyncUpdatedUsers.add(userId); |
| 1515 | } |
| 1516 | } |
| 1517 | } |
| 1518 | } |
| 1519 | |
| 1520 | public void onPermissionRemoved() { |
| 1521 | permissionRemoved[0] = true; |
| 1522 | } |
| 1523 | |
| 1524 | public void onInstallPermissionUpdated() { |
| 1525 | mDefaultPermissionCallback.onInstallPermissionUpdated(); |
| 1526 | } |
| 1527 | }; |
| 1528 | |
Hai Zhang | 4ffebb7 | 2019-07-18 14:50:58 -0700 | [diff] [blame] | 1529 | final AppOpsManager appOpsManager = mContext.getSystemService(AppOpsManager.class); |
Todd Kennedy | c971a45 | 2019-07-08 16:04:52 -0700 | [diff] [blame] | 1530 | for (int i = 0; i < permissionCount; i++) { |
| 1531 | final String permName = pkg.requestedPermissions.get(i); |
| 1532 | final BasePermission bp; |
| 1533 | synchronized (mLock) { |
| 1534 | bp = mSettings.getPermissionLocked(permName); |
| 1535 | } |
| 1536 | if (bp == null) { |
| 1537 | continue; |
| 1538 | } |
| 1539 | |
| 1540 | if (bp.isRemoved()) { |
| 1541 | continue; |
| 1542 | } |
| 1543 | |
| 1544 | // If shared user we just reset the state to which only this app contributed. |
| 1545 | final String sharedUserId = |
| 1546 | mPackageManagerInt.getSharedUserIdForPackage(pkg.packageName); |
| 1547 | final String[] pkgNames = |
| 1548 | mPackageManagerInt.getPackagesForSharedUserId(sharedUserId, userId); |
| 1549 | if (pkgNames != null && pkgNames.length > 0) { |
| 1550 | boolean used = false; |
| 1551 | final int packageCount = pkgNames.length; |
| 1552 | for (int j = 0; j < packageCount; j++) { |
| 1553 | final String sharedPkgName = pkgNames[j]; |
| 1554 | final PackageParser.Package sharedPkg = |
| 1555 | mPackageManagerInt.getPackage(sharedPkgName); |
| 1556 | if (sharedPkg != null && !sharedPkg.packageName.equals(packageName) |
| 1557 | && sharedPkg.requestedPermissions.contains(permName)) { |
| 1558 | used = true; |
| 1559 | break; |
| 1560 | } |
| 1561 | } |
| 1562 | if (used) { |
| 1563 | continue; |
| 1564 | } |
| 1565 | } |
| 1566 | |
| 1567 | final int oldFlags = |
| 1568 | getPermissionFlagsInternal(permName, packageName, Process.SYSTEM_UID, userId); |
| 1569 | |
| 1570 | // Always clear the user settable flags. |
| 1571 | // If permission review is enabled and this is a legacy app, mark the |
| 1572 | // permission as requiring a review as this is the initial state. |
| 1573 | final int uid = mPackageManagerInt.getPackageUid(packageName, 0, userId); |
| 1574 | final int targetSdk = mPackageManagerInt.getTargetSdk(uid); |
| 1575 | final int flags = (targetSdk < Build.VERSION_CODES.M && bp.isRuntime()) |
| 1576 | ? FLAG_PERMISSION_REVIEW_REQUIRED | FLAG_PERMISSION_REVOKE_ON_UPGRADE |
| 1577 | : 0; |
| 1578 | |
| 1579 | updatePermissionFlagsInternal( |
| 1580 | permName, packageName, userSettableMask, flags, Process.SYSTEM_UID, userId, |
| 1581 | false, delayingPermCallback); |
| 1582 | |
| 1583 | // Below is only runtime permission handling. |
| 1584 | if (!bp.isRuntime()) { |
| 1585 | continue; |
| 1586 | } |
| 1587 | |
| 1588 | // Never clobber system or policy. |
| 1589 | if ((oldFlags & policyOrSystemFlags) != 0) { |
| 1590 | continue; |
| 1591 | } |
| 1592 | |
| 1593 | // If this permission was granted by default, make sure it is. |
| 1594 | if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { |
| 1595 | grantRuntimePermissionInternal(permName, packageName, false, |
| 1596 | Process.SYSTEM_UID, userId, delayingPermCallback); |
Hai Zhang | 4ffebb7 | 2019-07-18 14:50:58 -0700 | [diff] [blame] | 1597 | // Allow app op later as we are holding mPackages |
| 1598 | // PermissionPolicyService will handle the app op for foreground/background |
| 1599 | // permissions. |
| 1600 | String appOp = AppOpsManager.permissionToOp(permName); |
| 1601 | if (appOp != null) { |
| 1602 | mHandler.post(() -> appOpsManager.setUidMode(appOp, uid, |
| 1603 | AppOpsManager.MODE_ALLOWED)); |
| 1604 | } |
Todd Kennedy | c971a45 | 2019-07-08 16:04:52 -0700 | [diff] [blame] | 1605 | // If permission review is enabled the permissions for a legacy apps |
| 1606 | // are represented as constantly granted runtime ones, so don't revoke. |
| 1607 | } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { |
| 1608 | // Otherwise, reset the permission. |
| 1609 | revokeRuntimePermissionInternal(permName, packageName, false, Process.SYSTEM_UID, |
| 1610 | userId, delayingPermCallback); |
| 1611 | } |
| 1612 | } |
| 1613 | |
| 1614 | // Execute delayed callbacks |
| 1615 | if (permissionRemoved[0]) { |
| 1616 | mDefaultPermissionCallback.onPermissionRemoved(); |
| 1617 | } |
| 1618 | |
| 1619 | // Slight variation on the code in mPermissionCallback.onPermissionRevoked() as we cannot |
| 1620 | // kill uid while holding mPackages-lock |
| 1621 | if (!revokedPermissions.isEmpty()) { |
| 1622 | int numRevokedPermissions = revokedPermissions.size(); |
| 1623 | for (int i = 0; i < numRevokedPermissions; i++) { |
| 1624 | int revocationUID = IntPair.first(revokedPermissions.valueAt(i)); |
| 1625 | int revocationUserId = IntPair.second(revokedPermissions.valueAt(i)); |
| 1626 | |
| 1627 | mOnPermissionChangeListeners.onPermissionsChanged(revocationUID); |
| 1628 | |
| 1629 | // Kill app later as we are holding mPackages |
| 1630 | mHandler.post(() -> killUid(UserHandle.getAppId(revocationUID), revocationUserId, |
| 1631 | KILL_APP_REASON_PERMISSIONS_REVOKED)); |
| 1632 | } |
| 1633 | } |
| 1634 | |
| 1635 | mPackageManagerInt.writePermissionSettings(syncUpdatedUsers.toArray(), false); |
| 1636 | mPackageManagerInt.writePermissionSettings(asyncUpdatedUsers.toArray(), true); |
| 1637 | } |
| 1638 | |
Todd Kennedy | 583378d | 2019-07-12 06:50:30 -0700 | [diff] [blame] | 1639 | @Override |
| 1640 | public String getDefaultBrowser(int userId) { |
| 1641 | final int callingUid = Binder.getCallingUid(); |
| 1642 | if (UserHandle.getUserId(callingUid) != userId) { |
| 1643 | mContext.enforceCallingOrSelfPermission( |
| 1644 | android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); |
| 1645 | } |
| 1646 | if (mPackageManagerInt.getInstantAppPackageName(callingUid) != null) { |
| 1647 | return null; |
| 1648 | } |
| 1649 | synchronized (mLock) { |
| 1650 | return mDefaultBrowserProvider == null |
| 1651 | ? null : mDefaultBrowserProvider.getDefaultBrowser(userId); |
| 1652 | } |
| 1653 | } |
| 1654 | |
| 1655 | @Override |
| 1656 | public boolean setDefaultBrowser(String packageName, int userId) { |
| 1657 | mContext.enforceCallingOrSelfPermission( |
| 1658 | android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); |
| 1659 | if (UserHandle.getCallingUserId() != userId) { |
| 1660 | mContext.enforceCallingOrSelfPermission( |
| 1661 | android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); |
| 1662 | } |
| 1663 | return setDefaultBrowserInternal(packageName, false, true, userId); |
| 1664 | } |
| 1665 | |
| 1666 | private boolean setDefaultBrowserInternal(String packageName, boolean async, |
| 1667 | boolean doGrant, int userId) { |
| 1668 | synchronized (mLock) { |
| 1669 | if (userId == UserHandle.USER_ALL) { |
| 1670 | return false; |
| 1671 | } |
| 1672 | if (mDefaultBrowserProvider == null) { |
| 1673 | return false; |
| 1674 | } |
| 1675 | if (async) { |
| 1676 | mDefaultBrowserProvider.setDefaultBrowserAsync(packageName, userId); |
| 1677 | } else { |
| 1678 | if (!mDefaultBrowserProvider.setDefaultBrowser(packageName, userId)) { |
| 1679 | return false; |
| 1680 | } |
| 1681 | } |
| 1682 | if (doGrant && packageName != null) { |
| 1683 | mDefaultPermissionGrantPolicy |
| 1684 | .grantDefaultPermissionsToDefaultBrowser(packageName, userId); |
| 1685 | } |
| 1686 | } |
| 1687 | return true; |
| 1688 | } |
| 1689 | |
| 1690 | @Override |
| 1691 | public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { |
| 1692 | final int callingUid = Binder.getCallingUid(); |
| 1693 | PackageManagerServiceUtils |
| 1694 | .enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps", callingUid); |
| 1695 | synchronized (mLock) { |
| 1696 | Binder.withCleanCallingIdentity(() -> mDefaultPermissionGrantPolicy |
| 1697 | .grantDefaultPermissionsToEnabledCarrierApps(packageNames, userId)); |
| 1698 | } |
| 1699 | } |
| 1700 | |
| 1701 | @Override |
| 1702 | public void grantDefaultPermissionsToEnabledImsServices(String[] packageNames, int userId) { |
| 1703 | final int callingUid = Binder.getCallingUid(); |
| 1704 | PackageManagerServiceUtils.enforceSystemOrPhoneCaller( |
| 1705 | "grantDefaultPermissionsToEnabledImsServices", callingUid); |
| 1706 | synchronized (mLock) { |
| 1707 | Binder.withCleanCallingIdentity(() -> mDefaultPermissionGrantPolicy |
| 1708 | .grantDefaultPermissionsToEnabledImsServices(packageNames, userId)); |
| 1709 | } |
| 1710 | } |
| 1711 | |
| 1712 | @Override |
| 1713 | public void grantDefaultPermissionsToEnabledTelephonyDataServices( |
| 1714 | String[] packageNames, int userId) { |
| 1715 | final int callingUid = Binder.getCallingUid(); |
| 1716 | PackageManagerServiceUtils.enforceSystemOrPhoneCaller( |
| 1717 | "grantDefaultPermissionsToEnabledTelephonyDataServices", callingUid); |
| 1718 | synchronized (mLock) { |
| 1719 | Binder.withCleanCallingIdentity(() -> mDefaultPermissionGrantPolicy |
| 1720 | .grantDefaultPermissionsToEnabledTelephonyDataServices( |
| 1721 | packageNames, userId)); |
| 1722 | } |
| 1723 | } |
| 1724 | |
| 1725 | @Override |
| 1726 | public void revokeDefaultPermissionsFromDisabledTelephonyDataServices( |
| 1727 | String[] packageNames, int userId) { |
| 1728 | final int callingUid = Binder.getCallingUid(); |
| 1729 | PackageManagerServiceUtils.enforceSystemOrPhoneCaller( |
| 1730 | "revokeDefaultPermissionsFromDisabledTelephonyDataServices", callingUid); |
| 1731 | synchronized (mLock) { |
| 1732 | Binder.withCleanCallingIdentity(() -> mDefaultPermissionGrantPolicy |
| 1733 | .revokeDefaultPermissionsFromDisabledTelephonyDataServices( |
| 1734 | packageNames, userId)); |
| 1735 | } |
| 1736 | } |
| 1737 | |
| 1738 | @Override |
| 1739 | public void grantDefaultPermissionsToActiveLuiApp(String packageName, int userId) { |
| 1740 | final int callingUid = Binder.getCallingUid(); |
| 1741 | PackageManagerServiceUtils |
| 1742 | .enforceSystemOrPhoneCaller("grantDefaultPermissionsToActiveLuiApp", callingUid); |
| 1743 | synchronized (mLock) { |
| 1744 | Binder.withCleanCallingIdentity(() -> mDefaultPermissionGrantPolicy |
| 1745 | .grantDefaultPermissionsToActiveLuiApp(packageName, userId)); |
| 1746 | } |
| 1747 | } |
| 1748 | |
| 1749 | @Override |
| 1750 | public void revokeDefaultPermissionsFromLuiApps(String[] packageNames, int userId) { |
| 1751 | final int callingUid = Binder.getCallingUid(); |
| 1752 | PackageManagerServiceUtils |
| 1753 | .enforceSystemOrPhoneCaller("revokeDefaultPermissionsFromLuiApps", callingUid); |
| 1754 | synchronized (mLock) { |
| 1755 | Binder.withCleanCallingIdentity(() -> mDefaultPermissionGrantPolicy |
| 1756 | .revokeDefaultPermissionsFromLuiApps(packageNames, userId)); |
| 1757 | } |
| 1758 | } |
| 1759 | |
Todd Kennedy | c5b0e86 | 2019-07-16 09:47:58 -0700 | [diff] [blame] | 1760 | @Override |
| 1761 | public void setPermissionEnforced(String permName, boolean enforced) { |
| 1762 | // TODO: Now that we no longer change GID for storage, this should to away. |
| 1763 | mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, |
| 1764 | "setPermissionEnforced"); |
| 1765 | if (READ_EXTERNAL_STORAGE.equals(permName)) { |
| 1766 | mPackageManagerInt.setReadExternalStorageEnforced(enforced); |
| 1767 | // kill any non-foreground processes so we restart them and |
| 1768 | // grant/revoke the GID. |
| 1769 | final IActivityManager am = ActivityManager.getService(); |
| 1770 | if (am != null) { |
| 1771 | final long token = Binder.clearCallingIdentity(); |
| 1772 | try { |
| 1773 | am.killProcessesBelowForeground("setPermissionEnforcement"); |
| 1774 | } catch (RemoteException e) { |
| 1775 | } finally { |
| 1776 | Binder.restoreCallingIdentity(token); |
| 1777 | } |
| 1778 | } |
| 1779 | } else { |
| 1780 | throw new IllegalArgumentException("No selective enforcement for " + permName); |
| 1781 | } |
| 1782 | } |
| 1783 | |
| 1784 | /** @deprecated */ |
| 1785 | @Override |
| 1786 | @Deprecated |
| 1787 | public boolean isPermissionEnforced(String permName) { |
| 1788 | // allow instant applications |
| 1789 | return true; |
| 1790 | } |
| 1791 | |
| 1792 | @Override |
| 1793 | public boolean shouldShowRequestPermissionRationale(String permName, |
| 1794 | String packageName, int userId) { |
| 1795 | final int callingUid = Binder.getCallingUid(); |
| 1796 | if (UserHandle.getCallingUserId() != userId) { |
| 1797 | mContext.enforceCallingPermission( |
| 1798 | android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, |
| 1799 | "canShowRequestPermissionRationale for user " + userId); |
| 1800 | } |
| 1801 | |
| 1802 | final int uid = |
| 1803 | mPackageManagerInt.getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); |
| 1804 | if (UserHandle.getAppId(callingUid) != UserHandle.getAppId(uid)) { |
| 1805 | return false; |
| 1806 | } |
| 1807 | |
| 1808 | if (checkPermission(permName, packageName, userId) |
| 1809 | == PackageManager.PERMISSION_GRANTED) { |
| 1810 | return false; |
| 1811 | } |
| 1812 | |
| 1813 | final int flags; |
| 1814 | |
| 1815 | final long identity = Binder.clearCallingIdentity(); |
| 1816 | try { |
| 1817 | flags = getPermissionFlagsInternal(permName, packageName, callingUid, userId); |
| 1818 | } finally { |
| 1819 | Binder.restoreCallingIdentity(identity); |
| 1820 | } |
| 1821 | |
| 1822 | final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED |
| 1823 | | PackageManager.FLAG_PERMISSION_POLICY_FIXED |
| 1824 | | PackageManager.FLAG_PERMISSION_USER_FIXED; |
| 1825 | |
| 1826 | if ((flags & fixedFlags) != 0) { |
| 1827 | return false; |
| 1828 | } |
| 1829 | |
| 1830 | return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; |
| 1831 | } |
| 1832 | |
| 1833 | @Override |
| 1834 | public boolean isPermissionRevokedByPolicy(String permName, String packageName, int userId) { |
| 1835 | if (UserHandle.getCallingUserId() != userId) { |
| 1836 | mContext.enforceCallingPermission( |
| 1837 | android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, |
| 1838 | "isPermissionRevokedByPolicy for user " + userId); |
| 1839 | } |
| 1840 | |
| 1841 | if (checkPermission(permName, packageName, userId) == PackageManager.PERMISSION_GRANTED) { |
| 1842 | return false; |
| 1843 | } |
| 1844 | |
| 1845 | final int callingUid = Binder.getCallingUid(); |
| 1846 | if (mPackageManagerInt.filterAppAccess(packageName, callingUid, userId)) { |
| 1847 | return false; |
| 1848 | } |
| 1849 | |
| 1850 | final long identity = Binder.clearCallingIdentity(); |
| 1851 | try { |
| 1852 | final int flags = getPermissionFlagsInternal(permName, packageName, callingUid, userId); |
| 1853 | return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; |
| 1854 | } finally { |
| 1855 | Binder.restoreCallingIdentity(identity); |
| 1856 | } |
| 1857 | } |
| 1858 | |
Hongwei Wang | f391b55 | 2018-04-06 13:52:46 -0700 | [diff] [blame] | 1859 | /** |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 1860 | * Get the state of the runtime permissions as xml file. |
| 1861 | * |
| 1862 | * <p>Can not be called on main thread. |
| 1863 | * |
| 1864 | * @param user The user the data should be extracted for |
| 1865 | * |
| 1866 | * @return The state as a xml file |
| 1867 | */ |
| 1868 | private @Nullable byte[] backupRuntimePermissions(@NonNull UserHandle user) { |
| 1869 | CompletableFuture<byte[]> backup = new CompletableFuture<>(); |
| 1870 | mPermissionControllerManager.getRuntimePermissionBackup(user, mContext.getMainExecutor(), |
| 1871 | backup::complete); |
| 1872 | |
| 1873 | try { |
| 1874 | return backup.get(BACKUP_TIMEOUT_MILLIS, TimeUnit.MILLISECONDS); |
| 1875 | } catch (InterruptedException | ExecutionException | TimeoutException e) { |
| 1876 | Slog.e(TAG, "Cannot create permission backup for " + user, e); |
| 1877 | return null; |
| 1878 | } |
| 1879 | } |
| 1880 | |
| 1881 | /** |
| 1882 | * Restore a permission state previously backed up via {@link #backupRuntimePermissions}. |
| 1883 | * |
| 1884 | * <p>If not all state can be restored, the un-appliable state will be delayed and can be |
| 1885 | * applied via {@link #restoreDelayedRuntimePermissions}. |
| 1886 | * |
| 1887 | * @param backup The state as an xml file |
| 1888 | * @param user The user the data should be restored for |
| 1889 | */ |
| 1890 | private void restoreRuntimePermissions(@NonNull byte[] backup, @NonNull UserHandle user) { |
| 1891 | synchronized (mLock) { |
| 1892 | mHasNoDelayedPermBackup.delete(user.getIdentifier()); |
| 1893 | mPermissionControllerManager.restoreRuntimePermissionBackup(backup, user); |
| 1894 | } |
| 1895 | } |
| 1896 | |
| 1897 | /** |
| 1898 | * Try to apply permission backup that was previously not applied. |
| 1899 | * |
| 1900 | * <p>Can not be called on main thread. |
| 1901 | * |
| 1902 | * @param packageName The package that is newly installed |
| 1903 | * @param user The user the package is installed for |
| 1904 | * |
| 1905 | * @see #restoreRuntimePermissions |
| 1906 | */ |
| 1907 | private void restoreDelayedRuntimePermissions(@NonNull String packageName, |
| 1908 | @NonNull UserHandle user) { |
| 1909 | synchronized (mLock) { |
| 1910 | if (mHasNoDelayedPermBackup.get(user.getIdentifier(), false)) { |
| 1911 | return; |
| 1912 | } |
| 1913 | |
| 1914 | mPermissionControllerManager.restoreDelayedRuntimePermissionBackup(packageName, user, |
| 1915 | mContext.getMainExecutor(), (hasMoreBackup) -> { |
| 1916 | if (hasMoreBackup) { |
| 1917 | return; |
| 1918 | } |
| 1919 | |
| 1920 | synchronized (mLock) { |
| 1921 | mHasNoDelayedPermBackup.put(user.getIdentifier(), true); |
| 1922 | } |
| 1923 | }); |
| 1924 | } |
| 1925 | } |
| 1926 | |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 1927 | private void addOnRuntimePermissionStateChangedListener(@NonNull |
| 1928 | OnRuntimePermissionStateChangedListener listener) { |
| 1929 | synchronized (mLock) { |
| 1930 | mRuntimePermissionStateChangedListeners.add(listener); |
| 1931 | } |
| 1932 | } |
| 1933 | |
| 1934 | private void removeOnRuntimePermissionStateChangedListener(@NonNull |
| 1935 | OnRuntimePermissionStateChangedListener listener) { |
| 1936 | synchronized (mLock) { |
| 1937 | mRuntimePermissionStateChangedListeners.remove(listener); |
| 1938 | } |
| 1939 | } |
| 1940 | |
| 1941 | private void notifyRuntimePermissionStateChanged(@NonNull String packageName, |
| 1942 | @UserIdInt int userId) { |
| 1943 | FgThread.getHandler().sendMessage(PooledLambda.obtainMessage |
| 1944 | (PermissionManagerService::doNotifyRuntimePermissionStateChanged, |
| 1945 | PermissionManagerService.this, packageName, userId)); |
| 1946 | } |
| 1947 | |
| 1948 | private void doNotifyRuntimePermissionStateChanged(@NonNull String packageName, |
| 1949 | @UserIdInt int userId) { |
| 1950 | final ArrayList<OnRuntimePermissionStateChangedListener> listeners; |
| 1951 | synchronized (mLock) { |
| 1952 | if (mRuntimePermissionStateChangedListeners.isEmpty()) { |
| 1953 | return; |
| 1954 | } |
| 1955 | listeners = new ArrayList<>(mRuntimePermissionStateChangedListeners); |
| 1956 | } |
| 1957 | final int listenerCount = listeners.size(); |
| 1958 | for (int i = 0; i < listenerCount; i++) { |
| 1959 | listeners.get(i).onRuntimePermissionStateChanged(packageName, userId); |
| 1960 | } |
| 1961 | } |
| 1962 | |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 1963 | /** |
Hongwei Wang | f391b55 | 2018-04-06 13:52:46 -0700 | [diff] [blame] | 1964 | * Returns {@code true} if the permission can be implied from another granted permission. |
| 1965 | * <p>Some permissions, such as ACCESS_FINE_LOCATION, imply other permissions, |
| 1966 | * such as ACCESS_COURSE_LOCATION. If the caller holds an umbrella permission, give |
| 1967 | * it access to any implied permissions. |
| 1968 | */ |
| 1969 | private static boolean isImpliedPermissionGranted(PermissionsState permissionsState, |
| 1970 | String permName, int userId) { |
| 1971 | return FULLER_PERMISSION_MAP.containsKey(permName) |
| 1972 | && permissionsState.hasPermission(FULLER_PERMISSION_MAP.get(permName), userId); |
| 1973 | } |
| 1974 | |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 1975 | private int adjustPermissionProtectionFlagsLocked( |
| 1976 | int protectionLevel, String packageName, int uid) { |
| 1977 | // Signature permission flags area always reported |
| 1978 | final int protectionLevelMasked = protectionLevel |
| 1979 | & (PermissionInfo.PROTECTION_NORMAL |
| 1980 | | PermissionInfo.PROTECTION_DANGEROUS |
| 1981 | | PermissionInfo.PROTECTION_SIGNATURE); |
| 1982 | if (protectionLevelMasked == PermissionInfo.PROTECTION_SIGNATURE) { |
| 1983 | return protectionLevel; |
| 1984 | } |
| 1985 | // System sees all flags. |
| 1986 | final int appId = UserHandle.getAppId(uid); |
| 1987 | if (appId == Process.SYSTEM_UID || appId == Process.ROOT_UID |
| 1988 | || appId == Process.SHELL_UID) { |
| 1989 | return protectionLevel; |
| 1990 | } |
| 1991 | // Normalize package name to handle renamed packages and static libs |
| 1992 | final PackageParser.Package pkg = mPackageManagerInt.getPackage(packageName); |
| 1993 | if (pkg == null) { |
| 1994 | return protectionLevel; |
| 1995 | } |
| 1996 | if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.O) { |
| 1997 | return protectionLevelMasked; |
| 1998 | } |
| 1999 | // Apps that target O see flags for all protection levels. |
| 2000 | final PackageSetting ps = (PackageSetting) pkg.mExtras; |
| 2001 | if (ps == null) { |
| 2002 | return protectionLevel; |
| 2003 | } |
| 2004 | if (ps.getAppId() != appId) { |
| 2005 | return protectionLevel; |
| 2006 | } |
| 2007 | return protectionLevel; |
| 2008 | } |
| 2009 | |
Philip P. Moltmann | fae8a528 | 2018-04-10 12:15:32 -0700 | [diff] [blame] | 2010 | /** |
| 2011 | * We might auto-grant permissions if any permission of the group is already granted. Hence if |
| 2012 | * the group of a granted permission changes we need to revoke it to avoid having permissions of |
| 2013 | * the new group auto-granted. |
| 2014 | * |
| 2015 | * @param newPackage The new package that was installed |
| 2016 | * @param oldPackage The old package that was updated |
| 2017 | * @param allPackageNames All package names |
| 2018 | * @param permissionCallback Callback for permission changed |
| 2019 | */ |
| 2020 | private void revokeRuntimePermissionsIfGroupChanged( |
| 2021 | @NonNull PackageParser.Package newPackage, |
| 2022 | @NonNull PackageParser.Package oldPackage, |
| 2023 | @NonNull ArrayList<String> allPackageNames, |
| 2024 | @NonNull PermissionCallback permissionCallback) { |
| 2025 | final int numOldPackagePermissions = oldPackage.permissions.size(); |
| 2026 | final ArrayMap<String, String> oldPermissionNameToGroupName |
| 2027 | = new ArrayMap<>(numOldPackagePermissions); |
| 2028 | |
| 2029 | for (int i = 0; i < numOldPackagePermissions; i++) { |
| 2030 | final PackageParser.Permission permission = oldPackage.permissions.get(i); |
| 2031 | |
| 2032 | if (permission.group != null) { |
| 2033 | oldPermissionNameToGroupName.put(permission.info.name, |
| 2034 | permission.group.info.name); |
| 2035 | } |
| 2036 | } |
| 2037 | |
Todd Kennedy | c971a45 | 2019-07-08 16:04:52 -0700 | [diff] [blame] | 2038 | final int callingUid = Binder.getCallingUid(); |
Philip P. Moltmann | fae8a528 | 2018-04-10 12:15:32 -0700 | [diff] [blame] | 2039 | final int numNewPackagePermissions = newPackage.permissions.size(); |
| 2040 | for (int newPermissionNum = 0; newPermissionNum < numNewPackagePermissions; |
| 2041 | newPermissionNum++) { |
| 2042 | final PackageParser.Permission newPermission = |
| 2043 | newPackage.permissions.get(newPermissionNum); |
| 2044 | final int newProtection = newPermission.info.getProtection(); |
| 2045 | |
| 2046 | if ((newProtection & PermissionInfo.PROTECTION_DANGEROUS) != 0) { |
| 2047 | final String permissionName = newPermission.info.name; |
| 2048 | final String newPermissionGroupName = |
| 2049 | newPermission.group == null ? null : newPermission.group.info.name; |
| 2050 | final String oldPermissionGroupName = oldPermissionNameToGroupName.get( |
| 2051 | permissionName); |
| 2052 | |
| 2053 | if (newPermissionGroupName != null |
| 2054 | && !newPermissionGroupName.equals(oldPermissionGroupName)) { |
| 2055 | final int[] userIds = mUserManagerInt.getUserIds(); |
| 2056 | final int numUserIds = userIds.length; |
| 2057 | for (int userIdNum = 0; userIdNum < numUserIds; userIdNum++) { |
| 2058 | final int userId = userIds[userIdNum]; |
| 2059 | |
| 2060 | final int numPackages = allPackageNames.size(); |
| 2061 | for (int packageNum = 0; packageNum < numPackages; packageNum++) { |
| 2062 | final String packageName = allPackageNames.get(packageNum); |
Todd Kennedy | ca1ea17 | 2019-07-03 15:02:28 -0700 | [diff] [blame] | 2063 | final int permissionState = checkPermissionInternal( |
| 2064 | permissionName, packageName, UserHandle.USER_SYSTEM, userId); |
| 2065 | if (permissionState == PackageManager.PERMISSION_GRANTED) { |
Philip P. Moltmann | fae8a528 | 2018-04-10 12:15:32 -0700 | [diff] [blame] | 2066 | EventLog.writeEvent(0x534e4554, "72710897", |
| 2067 | newPackage.applicationInfo.uid, |
Koji Fukui | acae3ef | 2018-05-09 11:38:01 +0900 | [diff] [blame] | 2068 | "Revoking permission " + permissionName + |
| 2069 | " from package " + packageName + |
| 2070 | " as the group changed from " + oldPermissionGroupName + |
| 2071 | " to " + newPermissionGroupName); |
Philip P. Moltmann | fae8a528 | 2018-04-10 12:15:32 -0700 | [diff] [blame] | 2072 | |
| 2073 | try { |
Todd Kennedy | c971a45 | 2019-07-08 16:04:52 -0700 | [diff] [blame] | 2074 | revokeRuntimePermissionInternal(permissionName, packageName, |
| 2075 | false, callingUid, userId, permissionCallback); |
Philip P. Moltmann | fae8a528 | 2018-04-10 12:15:32 -0700 | [diff] [blame] | 2076 | } catch (IllegalArgumentException e) { |
| 2077 | Slog.e(TAG, "Could not revoke " + permissionName + " from " |
| 2078 | + packageName, e); |
| 2079 | } |
| 2080 | } |
| 2081 | } |
| 2082 | } |
| 2083 | } |
| 2084 | } |
| 2085 | } |
| 2086 | } |
| 2087 | |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 2088 | private void addAllPermissions(PackageParser.Package pkg, boolean chatty) { |
| 2089 | final int N = pkg.permissions.size(); |
| 2090 | for (int i=0; i<N; i++) { |
| 2091 | PackageParser.Permission p = pkg.permissions.get(i); |
| 2092 | |
| 2093 | // Assume by default that we did not install this permission into the system. |
| 2094 | p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; |
| 2095 | |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 2096 | synchronized (PermissionManagerService.this.mLock) { |
Todd Kennedy | 460f28c | 2017-10-06 13:46:22 -0700 | [diff] [blame] | 2097 | // Now that permission groups have a special meaning, we ignore permission |
| 2098 | // groups for legacy apps to prevent unexpected behavior. In particular, |
| 2099 | // permissions for one app being granted to someone just because they happen |
| 2100 | // to be in a group defined by another app (before this had no implications). |
| 2101 | if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { |
| 2102 | p.group = mSettings.mPermissionGroups.get(p.info.group); |
| 2103 | // Warn for a permission in an unknown group. |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2104 | if (DEBUG_PERMISSIONS |
Todd Kennedy | 460f28c | 2017-10-06 13:46:22 -0700 | [diff] [blame] | 2105 | && p.info.group != null && p.group == null) { |
| 2106 | Slog.i(TAG, "Permission " + p.info.name + " from package " |
| 2107 | + p.info.packageName + " in an unknown group " + p.info.group); |
| 2108 | } |
| 2109 | } |
| 2110 | |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 2111 | if (p.tree) { |
| 2112 | final BasePermission bp = BasePermission.createOrUpdate( |
| 2113 | mSettings.getPermissionTreeLocked(p.info.name), p, pkg, |
| 2114 | mSettings.getAllPermissionTreesLocked(), chatty); |
| 2115 | mSettings.putPermissionTreeLocked(p.info.name, bp); |
| 2116 | } else { |
| 2117 | final BasePermission bp = BasePermission.createOrUpdate( |
| 2118 | mSettings.getPermissionLocked(p.info.name), |
| 2119 | p, pkg, mSettings.getAllPermissionTreesLocked(), chatty); |
| 2120 | mSettings.putPermissionLocked(p.info.name, bp); |
| 2121 | } |
| 2122 | } |
| 2123 | } |
| 2124 | } |
| 2125 | |
Todd Kennedy | 460f28c | 2017-10-06 13:46:22 -0700 | [diff] [blame] | 2126 | private void addAllPermissionGroups(PackageParser.Package pkg, boolean chatty) { |
| 2127 | final int N = pkg.permissionGroups.size(); |
| 2128 | StringBuilder r = null; |
| 2129 | for (int i=0; i<N; i++) { |
| 2130 | final PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); |
| 2131 | final PackageParser.PermissionGroup cur = mSettings.mPermissionGroups.get(pg.info.name); |
| 2132 | final String curPackageName = (cur == null) ? null : cur.info.packageName; |
| 2133 | final boolean isPackageUpdate = pg.info.packageName.equals(curPackageName); |
| 2134 | if (cur == null || isPackageUpdate) { |
| 2135 | mSettings.mPermissionGroups.put(pg.info.name, pg); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2136 | if (chatty && DEBUG_PACKAGE_SCANNING) { |
Todd Kennedy | 460f28c | 2017-10-06 13:46:22 -0700 | [diff] [blame] | 2137 | if (r == null) { |
| 2138 | r = new StringBuilder(256); |
| 2139 | } else { |
| 2140 | r.append(' '); |
| 2141 | } |
| 2142 | if (isPackageUpdate) { |
| 2143 | r.append("UPD:"); |
| 2144 | } |
| 2145 | r.append(pg.info.name); |
| 2146 | } |
| 2147 | } else { |
| 2148 | Slog.w(TAG, "Permission group " + pg.info.name + " from package " |
| 2149 | + pg.info.packageName + " ignored: original from " |
| 2150 | + cur.info.packageName); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2151 | if (chatty && DEBUG_PACKAGE_SCANNING) { |
Todd Kennedy | 460f28c | 2017-10-06 13:46:22 -0700 | [diff] [blame] | 2152 | if (r == null) { |
| 2153 | r = new StringBuilder(256); |
| 2154 | } else { |
| 2155 | r.append(' '); |
| 2156 | } |
| 2157 | r.append("DUP:"); |
| 2158 | r.append(pg.info.name); |
| 2159 | } |
| 2160 | } |
| 2161 | } |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2162 | if (r != null && DEBUG_PACKAGE_SCANNING) { |
Todd Kennedy | 460f28c | 2017-10-06 13:46:22 -0700 | [diff] [blame] | 2163 | Log.d(TAG, " Permission Groups: " + r); |
| 2164 | } |
| 2165 | |
| 2166 | } |
| 2167 | |
Hongming Jin | ae750fb | 2018-09-27 23:00:20 +0000 | [diff] [blame] | 2168 | private void removeAllPermissions(PackageParser.Package pkg, boolean chatty) { |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 2169 | synchronized (mLock) { |
| 2170 | int N = pkg.permissions.size(); |
| 2171 | StringBuilder r = null; |
| 2172 | for (int i=0; i<N; i++) { |
| 2173 | PackageParser.Permission p = pkg.permissions.get(i); |
| 2174 | BasePermission bp = (BasePermission) mSettings.mPermissions.get(p.info.name); |
| 2175 | if (bp == null) { |
| 2176 | bp = mSettings.mPermissionTrees.get(p.info.name); |
| 2177 | } |
| 2178 | if (bp != null && bp.isPermission(p)) { |
| 2179 | bp.setPermission(null); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2180 | if (DEBUG_REMOVE && chatty) { |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 2181 | if (r == null) { |
| 2182 | r = new StringBuilder(256); |
| 2183 | } else { |
| 2184 | r.append(' '); |
| 2185 | } |
| 2186 | r.append(p.info.name); |
| 2187 | } |
| 2188 | } |
| 2189 | if (p.isAppOp()) { |
| 2190 | ArraySet<String> appOpPkgs = |
| 2191 | mSettings.mAppOpPermissionPackages.get(p.info.name); |
| 2192 | if (appOpPkgs != null) { |
| 2193 | appOpPkgs.remove(pkg.packageName); |
| 2194 | } |
| 2195 | } |
| 2196 | } |
| 2197 | if (r != null) { |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2198 | if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 2199 | } |
| 2200 | |
| 2201 | N = pkg.requestedPermissions.size(); |
| 2202 | r = null; |
| 2203 | for (int i=0; i<N; i++) { |
| 2204 | String perm = pkg.requestedPermissions.get(i); |
| 2205 | if (mSettings.isPermissionAppOp(perm)) { |
| 2206 | ArraySet<String> appOpPkgs = mSettings.mAppOpPermissionPackages.get(perm); |
| 2207 | if (appOpPkgs != null) { |
| 2208 | appOpPkgs.remove(pkg.packageName); |
| 2209 | if (appOpPkgs.isEmpty()) { |
| 2210 | mSettings.mAppOpPermissionPackages.remove(perm); |
| 2211 | } |
| 2212 | } |
| 2213 | } |
| 2214 | } |
| 2215 | if (r != null) { |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2216 | if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 2217 | } |
| 2218 | } |
| 2219 | } |
| 2220 | |
Philip P. Moltmann | e0f00ea | 2018-10-30 10:43:15 -0700 | [diff] [blame] | 2221 | /** |
| 2222 | * Restore the permission state for a package. |
| 2223 | * |
| 2224 | * <ul> |
| 2225 | * <li>During boot the state gets restored from the disk</li> |
| 2226 | * <li>During app update the state gets restored from the last version of the app</li> |
| 2227 | * </ul> |
| 2228 | * |
| 2229 | * <p>This restores the permission state for all users. |
| 2230 | * |
| 2231 | * @param pkg the package the permissions belong to |
| 2232 | * @param replace if the package is getting replaced (this might change the requested |
| 2233 | * permissions of this package) |
| 2234 | * @param packageOfInterest If this is the name of {@code pkg} add extra logging |
| 2235 | * @param callback Result call back |
| 2236 | */ |
| 2237 | private void restorePermissionState(@NonNull PackageParser.Package pkg, boolean replace, |
| 2238 | @Nullable String packageOfInterest, @Nullable PermissionCallback callback) { |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2239 | // IMPORTANT: There are two types of permissions: install and runtime. |
| 2240 | // Install time permissions are granted when the app is installed to |
| 2241 | // all device users and users added in the future. Runtime permissions |
| 2242 | // are granted at runtime explicitly to specific users. Normal and signature |
| 2243 | // protected permissions are install time permissions. Dangerous permissions |
| 2244 | // are install permissions if the app's target SDK is Lollipop MR1 or older, |
| 2245 | // otherwise they are runtime permissions. This function does not manage |
| 2246 | // runtime permissions except for the case an app targeting Lollipop MR1 |
| 2247 | // being upgraded to target a newer SDK, in which case dangerous permissions |
| 2248 | // are transformed from install time to runtime ones. |
| 2249 | |
| 2250 | final PackageSetting ps = (PackageSetting) pkg.mExtras; |
| 2251 | if (ps == null) { |
| 2252 | return; |
| 2253 | } |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2254 | |
| 2255 | final PermissionsState permissionsState = ps.getPermissionsState(); |
| 2256 | PermissionsState origPermissions = permissionsState; |
| 2257 | |
| 2258 | final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); |
| 2259 | |
| 2260 | boolean runtimePermissionsRevoked = false; |
| 2261 | int[] updatedUserIds = EMPTY_INT_ARRAY; |
| 2262 | |
| 2263 | boolean changedInstallPermission = false; |
| 2264 | |
| 2265 | if (replace) { |
| 2266 | ps.setInstallPermissionsFixed(false); |
| 2267 | if (!ps.isSharedUser()) { |
| 2268 | origPermissions = new PermissionsState(permissionsState); |
| 2269 | permissionsState.reset(); |
| 2270 | } else { |
| 2271 | // We need to know only about runtime permission changes since the |
| 2272 | // calling code always writes the install permissions state but |
| 2273 | // the runtime ones are written only if changed. The only cases of |
| 2274 | // changed runtime permissions here are promotion of an install to |
| 2275 | // runtime and revocation of a runtime from a shared user. |
| 2276 | synchronized (mLock) { |
| 2277 | updatedUserIds = revokeUnusedSharedUserPermissionsLocked( |
| 2278 | ps.getSharedUser(), UserManagerService.getInstance().getUserIds()); |
| 2279 | if (!ArrayUtils.isEmpty(updatedUserIds)) { |
| 2280 | runtimePermissionsRevoked = true; |
| 2281 | } |
| 2282 | } |
| 2283 | } |
| 2284 | } |
| 2285 | |
| 2286 | permissionsState.setGlobalGids(mGlobalGids); |
| 2287 | |
| 2288 | synchronized (mLock) { |
Philip P. Moltmann | e123319 | 2019-04-18 08:45:55 -0700 | [diff] [blame] | 2289 | ArraySet<String> newImplicitPermissions = new ArraySet<>(); |
| 2290 | |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2291 | final int N = pkg.requestedPermissions.size(); |
| 2292 | for (int i = 0; i < N; i++) { |
| 2293 | final String permName = pkg.requestedPermissions.get(i); |
| 2294 | final BasePermission bp = mSettings.getPermissionLocked(permName); |
| 2295 | final boolean appSupportsRuntimePermissions = |
| 2296 | pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M; |
Zimuzo | e641140 | 2019-05-13 16:32:57 +0100 | [diff] [blame] | 2297 | String upgradedActivityRecognitionPermission = null; |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2298 | |
| 2299 | if (DEBUG_INSTALL) { |
| 2300 | Log.i(TAG, "Package " + pkg.packageName + " checking " + permName + ": " + bp); |
| 2301 | } |
| 2302 | |
| 2303 | if (bp == null || bp.getSourcePackageSetting() == null) { |
| 2304 | if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { |
| 2305 | if (DEBUG_PERMISSIONS) { |
| 2306 | Slog.i(TAG, "Unknown permission " + permName |
| 2307 | + " in package " + pkg.packageName); |
| 2308 | } |
| 2309 | } |
| 2310 | continue; |
| 2311 | } |
| 2312 | |
Philip P. Moltmann | e123319 | 2019-04-18 08:45:55 -0700 | [diff] [blame] | 2313 | // Cache newImplicitPermissions before modifing permissionsState as for the shared |
| 2314 | // uids the original and new state are the same object |
| 2315 | if (!origPermissions.hasRequestedPermission(permName) |
Zimuzo | e641140 | 2019-05-13 16:32:57 +0100 | [diff] [blame] | 2316 | && (pkg.implicitPermissions.contains(permName) |
| 2317 | || (permName.equals(Manifest.permission.ACTIVITY_RECOGNITION)))) { |
| 2318 | if (pkg.implicitPermissions.contains(permName)) { |
| 2319 | // If permName is an implicit permission, try to auto-grant |
| 2320 | newImplicitPermissions.add(permName); |
Philip P. Moltmann | e123319 | 2019-04-18 08:45:55 -0700 | [diff] [blame] | 2321 | |
Zimuzo | e641140 | 2019-05-13 16:32:57 +0100 | [diff] [blame] | 2322 | if (DEBUG_PERMISSIONS) { |
| 2323 | Slog.i(TAG, permName + " is newly added for " + pkg.packageName); |
| 2324 | } |
| 2325 | } else { |
| 2326 | // Special case for Activity Recognition permission. Even if AR permission |
| 2327 | // is not an implicit permission we want to add it to the list (try to |
| 2328 | // auto-grant it) if the app was installed on a device before AR permission |
| 2329 | // was split, regardless of if the app now requests the new AR permission |
| 2330 | // or has updated its target SDK and AR is no longer implicit to it. |
| 2331 | // This is a compatibility workaround for apps when AR permission was |
| 2332 | // split in Q. |
| 2333 | int numSplitPerms = PermissionManager.SPLIT_PERMISSIONS.size(); |
| 2334 | for (int splitPermNum = 0; splitPermNum < numSplitPerms; splitPermNum++) { |
| 2335 | PermissionManager.SplitPermissionInfo sp = |
| 2336 | PermissionManager.SPLIT_PERMISSIONS.get(splitPermNum); |
| 2337 | String splitPermName = sp.getSplitPermission(); |
| 2338 | if (sp.getNewPermissions().contains(permName) |
| 2339 | && origPermissions.hasInstallPermission(splitPermName)) { |
| 2340 | upgradedActivityRecognitionPermission = splitPermName; |
| 2341 | newImplicitPermissions.add(permName); |
| 2342 | |
| 2343 | if (DEBUG_PERMISSIONS) { |
| 2344 | Slog.i(TAG, permName + " is newly added for " |
| 2345 | + pkg.packageName); |
| 2346 | } |
| 2347 | break; |
| 2348 | } |
| 2349 | } |
Philip P. Moltmann | e123319 | 2019-04-18 08:45:55 -0700 | [diff] [blame] | 2350 | } |
| 2351 | } |
| 2352 | |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2353 | // Limit ephemeral apps to ephemeral allowed permissions. |
| 2354 | if (pkg.applicationInfo.isInstantApp() && !bp.isInstant()) { |
| 2355 | if (DEBUG_PERMISSIONS) { |
| 2356 | Log.i(TAG, "Denying non-ephemeral permission " + bp.getName() |
| 2357 | + " for package " + pkg.packageName); |
| 2358 | } |
| 2359 | continue; |
| 2360 | } |
| 2361 | |
| 2362 | if (bp.isRuntimeOnly() && !appSupportsRuntimePermissions) { |
| 2363 | if (DEBUG_PERMISSIONS) { |
| 2364 | Log.i(TAG, "Denying runtime-only permission " + bp.getName() |
| 2365 | + " for package " + pkg.packageName); |
| 2366 | } |
| 2367 | continue; |
| 2368 | } |
| 2369 | |
| 2370 | final String perm = bp.getName(); |
| 2371 | boolean allowedSig = false; |
| 2372 | int grant = GRANT_DENIED; |
| 2373 | |
| 2374 | // Keep track of app op permissions. |
| 2375 | if (bp.isAppOp()) { |
| 2376 | mSettings.addAppOpPackage(perm, pkg.packageName); |
| 2377 | } |
| 2378 | |
| 2379 | if (bp.isNormal()) { |
| 2380 | // For all apps normal permissions are install time ones. |
| 2381 | grant = GRANT_INSTALL; |
| 2382 | } else if (bp.isRuntime()) { |
Zimuzo | e641140 | 2019-05-13 16:32:57 +0100 | [diff] [blame] | 2383 | if (origPermissions.hasInstallPermission(bp.getName()) |
| 2384 | || upgradedActivityRecognitionPermission != null) { |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 2385 | // Before Q we represented some runtime permissions as install permissions, |
| 2386 | // in Q we cannot do this anymore. Hence upgrade them all. |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2387 | grant = GRANT_UPGRADE; |
| 2388 | } else { |
| 2389 | // For modern apps keep runtime permissions unchanged. |
| 2390 | grant = GRANT_RUNTIME; |
| 2391 | } |
| 2392 | } else if (bp.isSignature()) { |
| 2393 | // For all apps signature permissions are install time ones. |
| 2394 | allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); |
| 2395 | if (allowedSig) { |
| 2396 | grant = GRANT_INSTALL; |
| 2397 | } |
| 2398 | } |
| 2399 | |
| 2400 | if (DEBUG_PERMISSIONS) { |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 2401 | Slog.i(TAG, "Considering granting permission " + perm + " to package " |
| 2402 | + pkg.packageName); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2403 | } |
| 2404 | |
| 2405 | if (grant != GRANT_DENIED) { |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2406 | if (!ps.isSystem() && ps.areInstallPermissionsFixed() && !bp.isRuntime()) { |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2407 | // If this is an existing, non-system package, then |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2408 | // we can't add any new permissions to it. Runtime |
| 2409 | // permissions can be added any time - they ad dynamic. |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2410 | if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { |
| 2411 | // Except... if this is a permission that was added |
| 2412 | // to the platform (note: need to only do this when |
| 2413 | // updating the platform). |
| 2414 | if (!isNewPlatformPermissionForPackage(perm, pkg)) { |
| 2415 | grant = GRANT_DENIED; |
| 2416 | } |
| 2417 | } |
| 2418 | } |
| 2419 | |
| 2420 | switch (grant) { |
| 2421 | case GRANT_INSTALL: { |
| 2422 | // Revoke this as runtime permission to handle the case of |
| 2423 | // a runtime permission being downgraded to an install one. |
| 2424 | // Also in permission review mode we keep dangerous permissions |
| 2425 | // for legacy apps |
| 2426 | for (int userId : UserManagerService.getInstance().getUserIds()) { |
| 2427 | if (origPermissions.getRuntimePermissionState( |
| 2428 | perm, userId) != null) { |
| 2429 | // Revoke the runtime permission and clear the flags. |
| 2430 | origPermissions.revokeRuntimePermission(bp, userId); |
| 2431 | origPermissions.updatePermissionFlags(bp, userId, |
Philip P. Moltmann | 7659769 | 2019-03-02 13:18:41 -0800 | [diff] [blame] | 2432 | PackageManager.MASK_PERMISSION_FLAGS_ALL, 0); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2433 | // If we revoked a permission permission, we have to write. |
| 2434 | updatedUserIds = ArrayUtils.appendInt( |
| 2435 | updatedUserIds, userId); |
| 2436 | } |
| 2437 | } |
| 2438 | // Grant an install permission. |
| 2439 | if (permissionsState.grantInstallPermission(bp) != |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 2440 | PERMISSION_OPERATION_FAILURE) { |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2441 | changedInstallPermission = true; |
| 2442 | } |
| 2443 | } break; |
| 2444 | |
| 2445 | case GRANT_RUNTIME: { |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2446 | boolean hardRestricted = bp.isHardRestricted(); |
| 2447 | boolean softRestricted = bp.isSoftRestricted(); |
| 2448 | |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 2449 | for (int userId : currentUserIds) { |
Svet Ganov | 3c499ea | 2019-07-26 17:45:56 -0700 | [diff] [blame] | 2450 | // If permission policy is not ready we don't deal with restricted |
| 2451 | // permissions as the policy may whitelist some permissions. Once |
| 2452 | // the policy is initialized we would re-evaluate permissions. |
| 2453 | final boolean permissionPolicyInitialized = |
| 2454 | mPermissionPolicyInternal != null |
| 2455 | && mPermissionPolicyInternal.isInitialized(userId); |
| 2456 | |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 2457 | PermissionState permState = origPermissions |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2458 | .getRuntimePermissionState(perm, userId); |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 2459 | int flags = permState != null ? permState.getFlags() : 0; |
| 2460 | |
| 2461 | boolean wasChanged = false; |
| 2462 | |
Svet Ganov | 83a3a4a | 2019-05-03 18:50:43 -0700 | [diff] [blame] | 2463 | boolean restrictionExempt = |
| 2464 | (origPermissions.getPermissionFlags(bp.name, userId) |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2465 | & FLAGS_PERMISSION_RESTRICTION_ANY_EXEMPT) != 0; |
| 2466 | boolean restrictionApplied = (origPermissions.getPermissionFlags( |
| 2467 | bp.name, userId) & FLAG_PERMISSION_APPLY_RESTRICTION) != 0; |
| 2468 | |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 2469 | if (appSupportsRuntimePermissions) { |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2470 | // If hard restricted we don't allow holding it |
Svet Ganov | 3c499ea | 2019-07-26 17:45:56 -0700 | [diff] [blame] | 2471 | if (permissionPolicyInitialized && hardRestricted) { |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2472 | if (!restrictionExempt) { |
| 2473 | if (permState != null && permState.isGranted() |
| 2474 | && permissionsState.revokeRuntimePermission( |
| 2475 | bp, userId) != PERMISSION_OPERATION_FAILURE) { |
| 2476 | wasChanged = true; |
| 2477 | } |
| 2478 | if (!restrictionApplied) { |
| 2479 | flags |= FLAG_PERMISSION_APPLY_RESTRICTION; |
| 2480 | wasChanged = true; |
| 2481 | } |
| 2482 | } |
| 2483 | // If soft restricted we allow holding in a restricted form |
Svet Ganov | 3c499ea | 2019-07-26 17:45:56 -0700 | [diff] [blame] | 2484 | } else if (permissionPolicyInitialized && softRestricted) { |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2485 | // Regardless if granted set the restriction flag as it |
| 2486 | // may affect app treatment based on this permission. |
| 2487 | if (!restrictionExempt && !restrictionApplied) { |
| 2488 | flags |= FLAG_PERMISSION_APPLY_RESTRICTION; |
| 2489 | wasChanged = true; |
| 2490 | } |
| 2491 | } |
| 2492 | |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 2493 | // Remove review flag as it is not necessary anymore |
| 2494 | if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { |
| 2495 | flags &= ~FLAG_PERMISSION_REVIEW_REQUIRED; |
| 2496 | wasChanged = true; |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2497 | } |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 2498 | |
| 2499 | if ((flags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0) { |
| 2500 | flags &= ~FLAG_PERMISSION_REVOKE_ON_UPGRADE; |
| 2501 | wasChanged = true; |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2502 | // Hard restricted permissions cannot be held. |
Svet Ganov | 3c499ea | 2019-07-26 17:45:56 -0700 | [diff] [blame] | 2503 | } else if (!permissionPolicyInitialized |
| 2504 | || (!hardRestricted || restrictionExempt)) { |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 2505 | if (permState != null && permState.isGranted()) { |
| 2506 | if (permissionsState.grantRuntimePermission(bp, userId) |
| 2507 | == PERMISSION_OPERATION_FAILURE) { |
| 2508 | wasChanged = true; |
| 2509 | } |
| 2510 | } |
| 2511 | } |
| 2512 | } else { |
| 2513 | if (permState == null) { |
| 2514 | // New permission |
| 2515 | if (PLATFORM_PACKAGE_NAME.equals( |
| 2516 | bp.getSourcePackageName())) { |
| 2517 | if (!bp.isRemoved()) { |
| 2518 | flags |= FLAG_PERMISSION_REVIEW_REQUIRED |
| 2519 | | FLAG_PERMISSION_REVOKE_ON_UPGRADE; |
| 2520 | wasChanged = true; |
| 2521 | } |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2522 | } |
| 2523 | } |
| 2524 | |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2525 | if (!permissionsState.hasRuntimePermission(bp.name, userId) |
| 2526 | && permissionsState.grantRuntimePermission(bp, userId) |
| 2527 | != PERMISSION_OPERATION_FAILURE) { |
| 2528 | wasChanged = true; |
| 2529 | } |
| 2530 | |
| 2531 | // If legacy app always grant the permission but if restricted |
| 2532 | // and not exempt take a note a restriction should be applied. |
Svet Ganov | 3c499ea | 2019-07-26 17:45:56 -0700 | [diff] [blame] | 2533 | if (permissionPolicyInitialized |
| 2534 | && (hardRestricted || softRestricted) |
| 2535 | && !restrictionExempt && !restrictionApplied) { |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2536 | flags |= FLAG_PERMISSION_APPLY_RESTRICTION; |
| 2537 | wasChanged = true; |
| 2538 | } |
| 2539 | } |
| 2540 | |
| 2541 | // If unrestricted or restriction exempt, don't apply restriction. |
Svet Ganov | 3c499ea | 2019-07-26 17:45:56 -0700 | [diff] [blame] | 2542 | if (permissionPolicyInitialized) { |
| 2543 | if (!(hardRestricted || softRestricted) || restrictionExempt) { |
| 2544 | if (restrictionApplied) { |
| 2545 | flags &= ~FLAG_PERMISSION_APPLY_RESTRICTION; |
| 2546 | // Dropping restriction on a legacy app implies a review |
| 2547 | if (!appSupportsRuntimePermissions) { |
| 2548 | flags |= FLAG_PERMISSION_REVIEW_REQUIRED; |
| 2549 | } |
| 2550 | wasChanged = true; |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2551 | } |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2552 | } |
| 2553 | } |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 2554 | |
| 2555 | if (wasChanged) { |
| 2556 | updatedUserIds = ArrayUtils.appendInt(updatedUserIds, userId); |
| 2557 | } |
| 2558 | |
Philip P. Moltmann | c6e3a8e | 2019-02-21 13:57:31 -0800 | [diff] [blame] | 2559 | permissionsState.updatePermissionFlags(bp, userId, |
Philip P. Moltmann | 7659769 | 2019-03-02 13:18:41 -0800 | [diff] [blame] | 2560 | MASK_PERMISSION_FLAGS_ALL, flags); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2561 | } |
| 2562 | } break; |
| 2563 | |
| 2564 | case GRANT_UPGRADE: { |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 2565 | // Upgrade from Pre-Q to Q permission model. Make all permissions |
| 2566 | // runtime |
| 2567 | PermissionState permState = origPermissions |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2568 | .getInstallPermissionState(perm); |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 2569 | int flags = (permState != null) ? permState.getFlags() : 0; |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2570 | |
Zimuzo | e641140 | 2019-05-13 16:32:57 +0100 | [diff] [blame] | 2571 | BasePermission bpToRevoke = |
| 2572 | upgradedActivityRecognitionPermission == null |
| 2573 | ? bp : mSettings.getPermissionLocked( |
| 2574 | upgradedActivityRecognitionPermission); |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 2575 | // Remove install permission |
Zimuzo | e641140 | 2019-05-13 16:32:57 +0100 | [diff] [blame] | 2576 | if (origPermissions.revokeInstallPermission(bpToRevoke) |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 2577 | != PERMISSION_OPERATION_FAILURE) { |
Zimuzo | e641140 | 2019-05-13 16:32:57 +0100 | [diff] [blame] | 2578 | origPermissions.updatePermissionFlags(bpToRevoke, |
| 2579 | UserHandle.USER_ALL, |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2580 | (MASK_PERMISSION_FLAGS_ALL |
| 2581 | & ~FLAG_PERMISSION_APPLY_RESTRICTION), 0); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2582 | changedInstallPermission = true; |
| 2583 | } |
| 2584 | |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2585 | boolean hardRestricted = bp.isHardRestricted(); |
| 2586 | boolean softRestricted = bp.isSoftRestricted(); |
| 2587 | |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 2588 | for (int userId : currentUserIds) { |
Svet Ganov | 3c499ea | 2019-07-26 17:45:56 -0700 | [diff] [blame] | 2589 | // If permission policy is not ready we don't deal with restricted |
| 2590 | // permissions as the policy may whitelist some permissions. Once |
| 2591 | // the policy is initialized we would re-evaluate permissions. |
| 2592 | final boolean permissionPolicyInitialized = |
| 2593 | mPermissionPolicyInternal != null |
| 2594 | && mPermissionPolicyInternal.isInitialized(userId); |
| 2595 | |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 2596 | boolean wasChanged = false; |
| 2597 | |
Svet Ganov | 83a3a4a | 2019-05-03 18:50:43 -0700 | [diff] [blame] | 2598 | boolean restrictionExempt = |
| 2599 | (origPermissions.getPermissionFlags(bp.name, userId) |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2600 | & FLAGS_PERMISSION_RESTRICTION_ANY_EXEMPT) != 0; |
| 2601 | boolean restrictionApplied = (origPermissions.getPermissionFlags( |
| 2602 | bp.name, userId) & FLAG_PERMISSION_APPLY_RESTRICTION) != 0; |
| 2603 | |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 2604 | if (appSupportsRuntimePermissions) { |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2605 | // If hard restricted we don't allow holding it |
Svet Ganov | 3c499ea | 2019-07-26 17:45:56 -0700 | [diff] [blame] | 2606 | if (permissionPolicyInitialized && hardRestricted) { |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2607 | if (!restrictionExempt) { |
| 2608 | if (permState != null && permState.isGranted() |
| 2609 | && permissionsState.revokeRuntimePermission( |
| 2610 | bp, userId) != PERMISSION_OPERATION_FAILURE) { |
| 2611 | wasChanged = true; |
| 2612 | } |
| 2613 | if (!restrictionApplied) { |
| 2614 | flags |= FLAG_PERMISSION_APPLY_RESTRICTION; |
| 2615 | wasChanged = true; |
| 2616 | } |
| 2617 | } |
| 2618 | // If soft restricted we allow holding in a restricted form |
Svet Ganov | 3c499ea | 2019-07-26 17:45:56 -0700 | [diff] [blame] | 2619 | } else if (permissionPolicyInitialized && softRestricted) { |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2620 | // Regardless if granted set the restriction flag as it |
| 2621 | // may affect app treatment based on this permission. |
| 2622 | if (!restrictionExempt && !restrictionApplied) { |
| 2623 | flags |= FLAG_PERMISSION_APPLY_RESTRICTION; |
| 2624 | wasChanged = true; |
| 2625 | } |
| 2626 | } |
| 2627 | |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 2628 | // Remove review flag as it is not necessary anymore |
| 2629 | if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { |
| 2630 | flags &= ~FLAG_PERMISSION_REVIEW_REQUIRED; |
| 2631 | wasChanged = true; |
| 2632 | } |
| 2633 | |
| 2634 | if ((flags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0) { |
| 2635 | flags &= ~FLAG_PERMISSION_REVOKE_ON_UPGRADE; |
| 2636 | wasChanged = true; |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2637 | // Hard restricted permissions cannot be held. |
Svet Ganov | 3c499ea | 2019-07-26 17:45:56 -0700 | [diff] [blame] | 2638 | } else if (!permissionPolicyInitialized || |
| 2639 | (!hardRestricted || restrictionExempt)) { |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 2640 | if (permissionsState.grantRuntimePermission(bp, userId) != |
| 2641 | PERMISSION_OPERATION_FAILURE) { |
| 2642 | wasChanged = true; |
| 2643 | } |
| 2644 | } |
| 2645 | } else { |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2646 | if (!permissionsState.hasRuntimePermission(bp.name, userId) |
| 2647 | && permissionsState.grantRuntimePermission(bp, |
| 2648 | userId) != PERMISSION_OPERATION_FAILURE) { |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 2649 | flags |= FLAG_PERMISSION_REVIEW_REQUIRED; |
| 2650 | wasChanged = true; |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2651 | } |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2652 | |
| 2653 | // If legacy app always grant the permission but if restricted |
| 2654 | // and not exempt take a note a restriction should be applied. |
Svet Ganov | 3c499ea | 2019-07-26 17:45:56 -0700 | [diff] [blame] | 2655 | if (permissionPolicyInitialized |
| 2656 | && (hardRestricted || softRestricted) |
| 2657 | && !restrictionExempt && !restrictionApplied) { |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2658 | flags |= FLAG_PERMISSION_APPLY_RESTRICTION; |
| 2659 | wasChanged = true; |
| 2660 | } |
| 2661 | } |
| 2662 | |
| 2663 | // If unrestricted or restriction exempt, don't apply restriction. |
Svet Ganov | 3c499ea | 2019-07-26 17:45:56 -0700 | [diff] [blame] | 2664 | if (permissionPolicyInitialized) { |
| 2665 | if (!(hardRestricted || softRestricted) || restrictionExempt) { |
| 2666 | if (restrictionApplied) { |
| 2667 | flags &= ~FLAG_PERMISSION_APPLY_RESTRICTION; |
| 2668 | // Dropping restriction on a legacy app implies a review |
| 2669 | if (!appSupportsRuntimePermissions) { |
| 2670 | flags |= FLAG_PERMISSION_REVIEW_REQUIRED; |
| 2671 | } |
| 2672 | wasChanged = true; |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2673 | } |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2674 | } |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2675 | } |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 2676 | |
| 2677 | if (wasChanged) { |
| 2678 | updatedUserIds = ArrayUtils.appendInt(updatedUserIds, userId); |
| 2679 | } |
| 2680 | |
Philip P. Moltmann | c6e3a8e | 2019-02-21 13:57:31 -0800 | [diff] [blame] | 2681 | permissionsState.updatePermissionFlags(bp, userId, |
Philip P. Moltmann | 7659769 | 2019-03-02 13:18:41 -0800 | [diff] [blame] | 2682 | MASK_PERMISSION_FLAGS_ALL, flags); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2683 | } |
| 2684 | } break; |
| 2685 | |
| 2686 | default: { |
| 2687 | if (packageOfInterest == null |
| 2688 | || packageOfInterest.equals(pkg.packageName)) { |
| 2689 | if (DEBUG_PERMISSIONS) { |
| 2690 | Slog.i(TAG, "Not granting permission " + perm |
| 2691 | + " to package " + pkg.packageName |
| 2692 | + " because it was previously installed without"); |
| 2693 | } |
| 2694 | } |
| 2695 | } break; |
| 2696 | } |
| 2697 | } else { |
| 2698 | if (permissionsState.revokeInstallPermission(bp) != |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 2699 | PERMISSION_OPERATION_FAILURE) { |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2700 | // Also drop the permission flags. |
| 2701 | permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, |
Philip P. Moltmann | 7659769 | 2019-03-02 13:18:41 -0800 | [diff] [blame] | 2702 | MASK_PERMISSION_FLAGS_ALL, 0); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2703 | changedInstallPermission = true; |
Nate Myren | ed67bdd | 2019-05-07 10:32:22 -0700 | [diff] [blame] | 2704 | if (DEBUG_PERMISSIONS) { |
| 2705 | Slog.i(TAG, "Un-granting permission " + perm |
| 2706 | + " from package " + pkg.packageName |
| 2707 | + " (protectionLevel=" + bp.getProtectionLevel() |
| 2708 | + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) |
| 2709 | + ")"); |
| 2710 | } |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2711 | } else if (bp.isAppOp()) { |
| 2712 | // Don't print warning for app op permissions, since it is fine for them |
| 2713 | // not to be granted, there is a UI for the user to decide. |
| 2714 | if (DEBUG_PERMISSIONS |
| 2715 | && (packageOfInterest == null |
| 2716 | || packageOfInterest.equals(pkg.packageName))) { |
| 2717 | Slog.i(TAG, "Not granting permission " + perm |
| 2718 | + " to package " + pkg.packageName |
| 2719 | + " (protectionLevel=" + bp.getProtectionLevel() |
| 2720 | + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) |
| 2721 | + ")"); |
| 2722 | } |
| 2723 | } |
| 2724 | } |
| 2725 | } |
| 2726 | |
| 2727 | if ((changedInstallPermission || replace) && !ps.areInstallPermissionsFixed() && |
| 2728 | !ps.isSystem() || ps.isUpdatedSystem()) { |
| 2729 | // This is the first that we have heard about this package, so the |
| 2730 | // permissions we have now selected are fixed until explicitly |
| 2731 | // changed. |
| 2732 | ps.setInstallPermissionsFixed(true); |
| 2733 | } |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 2734 | |
| 2735 | updatedUserIds = revokePermissionsNoLongerImplicitLocked(permissionsState, pkg, |
| 2736 | updatedUserIds); |
| 2737 | updatedUserIds = setInitialGrantForNewImplicitPermissionsLocked(origPermissions, |
Philip P. Moltmann | e123319 | 2019-04-18 08:45:55 -0700 | [diff] [blame] | 2738 | permissionsState, pkg, newImplicitPermissions, updatedUserIds); |
Philip P. Moltmann | 74065c8 | 2019-05-15 10:46:32 -0700 | [diff] [blame] | 2739 | updatedUserIds = checkIfLegacyStorageOpsNeedToBeUpdated(pkg, replace, updatedUserIds); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2740 | } |
| 2741 | |
| 2742 | // Persist the runtime permissions state for users with changes. If permissions |
| 2743 | // were revoked because no app in the shared user declares them we have to |
| 2744 | // write synchronously to avoid losing runtime permissions state. |
| 2745 | if (callback != null) { |
| 2746 | callback.onPermissionUpdated(updatedUserIds, runtimePermissionsRevoked); |
| 2747 | } |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 2748 | |
| 2749 | for (int userId : updatedUserIds) { |
| 2750 | notifyRuntimePermissionStateChanged(pkg.packageName, userId); |
| 2751 | } |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2752 | } |
| 2753 | |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 2754 | /** |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 2755 | * Revoke permissions that are not implicit anymore and that have |
| 2756 | * {@link PackageManager#FLAG_PERMISSION_REVOKE_WHEN_REQUESTED} set. |
| 2757 | * |
| 2758 | * @param ps The state of the permissions of the package |
| 2759 | * @param pkg The package that is currently looked at |
| 2760 | * @param updatedUserIds a list of user ids that needs to be amended if the permission state |
| 2761 | * for a user is changed. |
| 2762 | * |
| 2763 | * @return The updated value of the {@code updatedUserIds} parameter |
| 2764 | */ |
| 2765 | private @NonNull int[] revokePermissionsNoLongerImplicitLocked( |
| 2766 | @NonNull PermissionsState ps, @NonNull PackageParser.Package pkg, |
| 2767 | @NonNull int[] updatedUserIds) { |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 2768 | String pkgName = pkg.packageName; |
Philip P. Moltmann | d030ce2 | 2019-02-18 21:05:48 -0800 | [diff] [blame] | 2769 | boolean supportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion |
| 2770 | >= Build.VERSION_CODES.M; |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 2771 | |
| 2772 | int[] users = UserManagerService.getInstance().getUserIds(); |
| 2773 | int numUsers = users.length; |
| 2774 | for (int i = 0; i < numUsers; i++) { |
| 2775 | int userId = users[i]; |
| 2776 | |
| 2777 | for (String permission : ps.getPermissions(userId)) { |
| 2778 | if (!pkg.implicitPermissions.contains(permission)) { |
| 2779 | if (!ps.hasInstallPermission(permission)) { |
| 2780 | int flags = ps.getRuntimePermissionState(permission, userId).getFlags(); |
| 2781 | |
| 2782 | if ((flags & FLAG_PERMISSION_REVOKE_WHEN_REQUESTED) != 0) { |
| 2783 | BasePermission bp = mSettings.getPermissionLocked(permission); |
| 2784 | |
Philip P. Moltmann | 8277ab6 | 2019-02-21 14:08:30 -0800 | [diff] [blame] | 2785 | int flagsToRemove = FLAG_PERMISSION_REVOKE_WHEN_REQUESTED; |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 2786 | |
Philip P. Moltmann | 319c4ee | 2019-02-25 09:21:23 -0800 | [diff] [blame] | 2787 | if ((flags & BLOCKING_PERMISSION_FLAGS) == 0 |
| 2788 | && supportsRuntimePermissions) { |
Philip P. Moltmann | 8277ab6 | 2019-02-21 14:08:30 -0800 | [diff] [blame] | 2789 | int revokeResult = ps.revokeRuntimePermission(bp, userId); |
| 2790 | if (revokeResult != PERMISSION_OPERATION_FAILURE) { |
| 2791 | if (DEBUG_PERMISSIONS) { |
| 2792 | Slog.i(TAG, "Revoking runtime permission " |
| 2793 | + permission + " for " + pkgName |
| 2794 | + " as it is now requested"); |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 2795 | } |
| 2796 | } |
| 2797 | |
Philip P. Moltmann | 319c4ee | 2019-02-25 09:21:23 -0800 | [diff] [blame] | 2798 | flagsToRemove |= USER_PERMISSION_FLAGS; |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 2799 | } |
Philip P. Moltmann | 8277ab6 | 2019-02-21 14:08:30 -0800 | [diff] [blame] | 2800 | |
| 2801 | ps.updatePermissionFlags(bp, userId, flagsToRemove, 0); |
| 2802 | updatedUserIds = ArrayUtils.appendInt(updatedUserIds, userId); |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 2803 | } |
| 2804 | } |
| 2805 | } |
| 2806 | } |
| 2807 | } |
| 2808 | |
| 2809 | return updatedUserIds; |
| 2810 | } |
| 2811 | |
| 2812 | /** |
| 2813 | * {@code newPerm} is newly added; Inherit the state from {@code sourcePerms}. |
| 2814 | * |
| 2815 | * <p>A single new permission can be split off from several source permissions. In this case |
| 2816 | * the most leniant state is inherited. |
| 2817 | * |
| 2818 | * <p>Warning: This does not handle foreground / background permissions |
| 2819 | * |
| 2820 | * @param sourcePerms The permissions to inherit from |
| 2821 | * @param newPerm The permission to inherit to |
| 2822 | * @param ps The permission state of the package |
| 2823 | * @param pkg The package requesting the permissions |
| 2824 | * @param userId The user the permission belongs to |
| 2825 | */ |
| 2826 | private void inheritPermissionStateToNewImplicitPermissionLocked( |
| 2827 | @NonNull ArraySet<String> sourcePerms, @NonNull String newPerm, |
| 2828 | @NonNull PermissionsState ps, @NonNull PackageParser.Package pkg, |
| 2829 | @UserIdInt int userId) { |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 2830 | String pkgName = pkg.packageName; |
Philip P. Moltmann | 9408f58 | 2019-04-10 16:58:24 -0700 | [diff] [blame] | 2831 | boolean isGranted = false; |
| 2832 | int flags = 0; |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 2833 | |
Philip P. Moltmann | 9408f58 | 2019-04-10 16:58:24 -0700 | [diff] [blame] | 2834 | int numSourcePerm = sourcePerms.size(); |
| 2835 | for (int i = 0; i < numSourcePerm; i++) { |
| 2836 | String sourcePerm = sourcePerms.valueAt(i); |
| 2837 | if ((ps.hasRuntimePermission(sourcePerm, userId)) |
| 2838 | || ps.hasInstallPermission(sourcePerm)) { |
| 2839 | if (!isGranted) { |
| 2840 | flags = 0; |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 2841 | } |
| 2842 | |
Philip P. Moltmann | 9408f58 | 2019-04-10 16:58:24 -0700 | [diff] [blame] | 2843 | isGranted = true; |
| 2844 | flags |= ps.getPermissionFlags(sourcePerm, userId); |
| 2845 | } else { |
| 2846 | if (!isGranted) { |
Philip P. Moltmann | dddadd7 | 2019-02-25 09:21:23 -0800 | [diff] [blame] | 2847 | flags |= ps.getPermissionFlags(sourcePerm, userId); |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 2848 | } |
| 2849 | } |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 2850 | } |
Philip P. Moltmann | 9408f58 | 2019-04-10 16:58:24 -0700 | [diff] [blame] | 2851 | |
| 2852 | if (isGranted) { |
| 2853 | if (DEBUG_PERMISSIONS) { |
| 2854 | Slog.i(TAG, newPerm + " inherits runtime perm grant from " + sourcePerms |
| 2855 | + " for " + pkgName); |
| 2856 | } |
| 2857 | |
| 2858 | ps.grantRuntimePermission(mSettings.getPermissionLocked(newPerm), userId); |
| 2859 | } |
| 2860 | |
| 2861 | // Add permission flags |
| 2862 | ps.updatePermissionFlags(mSettings.getPermission(newPerm), userId, flags, flags); |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 2863 | } |
| 2864 | |
| 2865 | /** |
Philip P. Moltmann | 74065c8 | 2019-05-15 10:46:32 -0700 | [diff] [blame] | 2866 | * When the app has requested legacy storage we might need to update |
| 2867 | * {@link android.app.AppOpsManager#OP_LEGACY_STORAGE}. Hence force an update in |
| 2868 | * {@link com.android.server.policy.PermissionPolicyService#synchronizePackagePermissionsAndAppOpsForUser(Context, String, int)} |
| 2869 | * |
| 2870 | * @param pkg The package for which the permissions are updated |
| 2871 | * @param replace If the app is being replaced |
| 2872 | * @param updatedUserIds The ids of the users that already changed. |
| 2873 | * |
| 2874 | * @return The ids of the users that are changed |
| 2875 | */ |
| 2876 | private @NonNull int[] checkIfLegacyStorageOpsNeedToBeUpdated( |
| 2877 | @NonNull PackageParser.Package pkg, boolean replace, @NonNull int[] updatedUserIds) { |
| 2878 | if (replace && pkg.applicationInfo.hasRequestedLegacyExternalStorage() && ( |
| 2879 | pkg.requestedPermissions.contains(READ_EXTERNAL_STORAGE) |
| 2880 | || pkg.requestedPermissions.contains(WRITE_EXTERNAL_STORAGE))) { |
| 2881 | return UserManagerService.getInstance().getUserIds(); |
| 2882 | } |
| 2883 | |
| 2884 | return updatedUserIds; |
| 2885 | } |
| 2886 | |
| 2887 | /** |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 2888 | * Set the state of a implicit permission that is seen for the first time. |
| 2889 | * |
| 2890 | * @param origPs The permission state of the package before the split |
| 2891 | * @param ps The new permission state |
| 2892 | * @param pkg The package the permission belongs to |
| 2893 | * @param updatedUserIds List of users for which the permission state has already been changed |
| 2894 | * |
| 2895 | * @return List of users for which the permission state has been changed |
| 2896 | */ |
| 2897 | private @NonNull int[] setInitialGrantForNewImplicitPermissionsLocked( |
| 2898 | @NonNull PermissionsState origPs, |
| 2899 | @NonNull PermissionsState ps, @NonNull PackageParser.Package pkg, |
Philip P. Moltmann | e123319 | 2019-04-18 08:45:55 -0700 | [diff] [blame] | 2900 | @NonNull ArraySet<String> newImplicitPermissions, |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 2901 | @NonNull int[] updatedUserIds) { |
| 2902 | String pkgName = pkg.packageName; |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 2903 | ArrayMap<String, ArraySet<String>> newToSplitPerms = new ArrayMap<>(); |
| 2904 | |
| 2905 | int numSplitPerms = PermissionManager.SPLIT_PERMISSIONS.size(); |
| 2906 | for (int splitPermNum = 0; splitPermNum < numSplitPerms; splitPermNum++) { |
| 2907 | PermissionManager.SplitPermissionInfo spi = |
| 2908 | PermissionManager.SPLIT_PERMISSIONS.get(splitPermNum); |
| 2909 | |
| 2910 | List<String> newPerms = spi.getNewPermissions(); |
| 2911 | int numNewPerms = newPerms.size(); |
| 2912 | for (int newPermNum = 0; newPermNum < numNewPerms; newPermNum++) { |
| 2913 | String newPerm = newPerms.get(newPermNum); |
| 2914 | |
| 2915 | ArraySet<String> splitPerms = newToSplitPerms.get(newPerm); |
| 2916 | if (splitPerms == null) { |
| 2917 | splitPerms = new ArraySet<>(); |
| 2918 | newToSplitPerms.put(newPerm, splitPerms); |
| 2919 | } |
| 2920 | |
| 2921 | splitPerms.add(spi.getSplitPermission()); |
| 2922 | } |
| 2923 | } |
| 2924 | |
| 2925 | int numNewImplicitPerms = newImplicitPermissions.size(); |
| 2926 | for (int newImplicitPermNum = 0; newImplicitPermNum < numNewImplicitPerms; |
| 2927 | newImplicitPermNum++) { |
| 2928 | String newPerm = newImplicitPermissions.valueAt(newImplicitPermNum); |
| 2929 | ArraySet<String> sourcePerms = newToSplitPerms.get(newPerm); |
| 2930 | |
| 2931 | if (sourcePerms != null) { |
| 2932 | if (!ps.hasInstallPermission(newPerm)) { |
| 2933 | BasePermission bp = mSettings.getPermissionLocked(newPerm); |
| 2934 | |
| 2935 | int[] users = UserManagerService.getInstance().getUserIds(); |
| 2936 | int numUsers = users.length; |
| 2937 | for (int userNum = 0; userNum < numUsers; userNum++) { |
| 2938 | int userId = users[userNum]; |
| 2939 | |
Zimuzo | e641140 | 2019-05-13 16:32:57 +0100 | [diff] [blame] | 2940 | if (!newPerm.equals(Manifest.permission.ACTIVITY_RECOGNITION)) { |
| 2941 | ps.updatePermissionFlags(bp, userId, |
| 2942 | FLAG_PERMISSION_REVOKE_WHEN_REQUESTED, |
| 2943 | FLAG_PERMISSION_REVOKE_WHEN_REQUESTED); |
| 2944 | } |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 2945 | updatedUserIds = ArrayUtils.appendInt(updatedUserIds, userId); |
| 2946 | |
Philip P. Moltmann | d3e6416 | 2019-02-22 16:24:01 -0800 | [diff] [blame] | 2947 | boolean inheritsFromInstallPerm = false; |
| 2948 | for (int sourcePermNum = 0; sourcePermNum < sourcePerms.size(); |
| 2949 | sourcePermNum++) { |
| 2950 | if (ps.hasInstallPermission(sourcePerms.valueAt(sourcePermNum))) { |
| 2951 | inheritsFromInstallPerm = true; |
Philip P. Moltmann | d82bdaf | 2018-10-30 12:46:40 -0700 | [diff] [blame] | 2952 | break; |
Philip P. Moltmann | d82bdaf | 2018-10-30 12:46:40 -0700 | [diff] [blame] | 2953 | } |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 2954 | } |
Philip P. Moltmann | d3e6416 | 2019-02-22 16:24:01 -0800 | [diff] [blame] | 2955 | |
| 2956 | if (!origPs.hasRequestedPermission(sourcePerms) |
| 2957 | && !inheritsFromInstallPerm) { |
| 2958 | // Both permissions are new so nothing to inherit. |
| 2959 | if (DEBUG_PERMISSIONS) { |
| 2960 | Slog.i(TAG, newPerm + " does not inherit from " + sourcePerms |
| 2961 | + " for " + pkgName + " as split permission is also new"); |
| 2962 | } |
| 2963 | |
| 2964 | break; |
| 2965 | } else { |
| 2966 | // Inherit from new install or existing runtime permissions |
| 2967 | inheritPermissionStateToNewImplicitPermissionLocked(sourcePerms, |
| 2968 | newPerm, ps, pkg, userId); |
| 2969 | } |
Philip P. Moltmann | 17f65af | 2018-10-18 15:32:29 -0700 | [diff] [blame] | 2970 | } |
| 2971 | } |
| 2972 | } |
| 2973 | } |
| 2974 | |
| 2975 | return updatedUserIds; |
| 2976 | } |
| 2977 | |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 2978 | private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { |
| 2979 | boolean allowed = false; |
| 2980 | final int NP = PackageParser.NEW_PERMISSIONS.length; |
| 2981 | for (int ip=0; ip<NP; ip++) { |
| 2982 | final PackageParser.NewPermissionInfo npi |
| 2983 | = PackageParser.NEW_PERMISSIONS[ip]; |
| 2984 | if (npi.name.equals(perm) |
| 2985 | && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { |
| 2986 | allowed = true; |
| 2987 | Log.i(TAG, "Auto-granting " + perm + " to old pkg " |
| 2988 | + pkg.packageName); |
| 2989 | break; |
| 2990 | } |
| 2991 | } |
| 2992 | return allowed; |
| 2993 | } |
| 2994 | |
| 2995 | /** |
| 2996 | * Determines whether a package is whitelisted for a particular privapp permission. |
| 2997 | * |
| 2998 | * <p>Does NOT check whether the package is a privapp, just whether it's whitelisted. |
| 2999 | * |
| 3000 | * <p>This handles parent/child apps. |
| 3001 | */ |
| 3002 | private boolean hasPrivappWhitelistEntry(String perm, PackageParser.Package pkg) { |
Jaekyun Seok | 1713d9e | 2018-01-12 21:47:26 +0900 | [diff] [blame] | 3003 | ArraySet<String> wlPermissions = null; |
| 3004 | if (pkg.isVendor()) { |
| 3005 | wlPermissions = |
| 3006 | SystemConfig.getInstance().getVendorPrivAppPermissions(pkg.packageName); |
| 3007 | } else if (pkg.isProduct()) { |
| 3008 | wlPermissions = |
| 3009 | SystemConfig.getInstance().getProductPrivAppPermissions(pkg.packageName); |
Jeongik Cha | 9ec059a | 2019-07-04 21:12:06 +0900 | [diff] [blame] | 3010 | } else if (pkg.isSystemExt()) { |
Dario Freni | 2bef176 | 2018-06-01 14:02:08 +0100 | [diff] [blame] | 3011 | wlPermissions = |
Jeongik Cha | 9ec059a | 2019-07-04 21:12:06 +0900 | [diff] [blame] | 3012 | SystemConfig.getInstance().getSystemExtPrivAppPermissions( |
Dario Freni | 2bef176 | 2018-06-01 14:02:08 +0100 | [diff] [blame] | 3013 | pkg.packageName); |
Jaekyun Seok | 1713d9e | 2018-01-12 21:47:26 +0900 | [diff] [blame] | 3014 | } else { |
| 3015 | wlPermissions = SystemConfig.getInstance().getPrivAppPermissions(pkg.packageName); |
| 3016 | } |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 3017 | // Let's check if this package is whitelisted... |
| 3018 | boolean whitelisted = wlPermissions != null && wlPermissions.contains(perm); |
| 3019 | // If it's not, we'll also tail-recurse to the parent. |
| 3020 | return whitelisted || |
| 3021 | pkg.parentPackage != null && hasPrivappWhitelistEntry(perm, pkg.parentPackage); |
| 3022 | } |
| 3023 | |
| 3024 | private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, |
| 3025 | BasePermission bp, PermissionsState origPermissions) { |
| 3026 | boolean oemPermission = bp.isOEM(); |
Jiyong Park | 002fdbd | 2017-02-13 20:50:31 +0900 | [diff] [blame] | 3027 | boolean vendorPrivilegedPermission = bp.isVendorPrivileged(); |
| 3028 | boolean privilegedPermission = bp.isPrivileged() || bp.isVendorPrivileged(); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 3029 | boolean privappPermissionsDisable = |
| 3030 | RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_DISABLE; |
| 3031 | boolean platformPermission = PLATFORM_PACKAGE_NAME.equals(bp.getSourcePackageName()); |
| 3032 | boolean platformPackage = PLATFORM_PACKAGE_NAME.equals(pkg.packageName); |
| 3033 | if (!privappPermissionsDisable && privilegedPermission && pkg.isPrivileged() |
| 3034 | && !platformPackage && platformPermission) { |
| 3035 | if (!hasPrivappWhitelistEntry(perm, pkg)) { |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 3036 | // Only report violations for apps on system image |
| 3037 | if (!mSystemReady && !pkg.isUpdatedSystemApp()) { |
| 3038 | // 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] | 3039 | ArraySet<String> deniedPermissions = null; |
| 3040 | if (pkg.isVendor()) { |
| 3041 | deniedPermissions = SystemConfig.getInstance() |
| 3042 | .getVendorPrivAppDenyPermissions(pkg.packageName); |
| 3043 | } else if (pkg.isProduct()) { |
| 3044 | deniedPermissions = SystemConfig.getInstance() |
| 3045 | .getProductPrivAppDenyPermissions(pkg.packageName); |
Jeongik Cha | 9ec059a | 2019-07-04 21:12:06 +0900 | [diff] [blame] | 3046 | } else if (pkg.isSystemExt()) { |
Dario Freni | 2bef176 | 2018-06-01 14:02:08 +0100 | [diff] [blame] | 3047 | deniedPermissions = SystemConfig.getInstance() |
Jeongik Cha | 9ec059a | 2019-07-04 21:12:06 +0900 | [diff] [blame] | 3048 | .getSystemExtPrivAppDenyPermissions(pkg.packageName); |
Jaekyun Seok | 1713d9e | 2018-01-12 21:47:26 +0900 | [diff] [blame] | 3049 | } else { |
| 3050 | deniedPermissions = SystemConfig.getInstance() |
| 3051 | .getPrivAppDenyPermissions(pkg.packageName); |
| 3052 | } |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 3053 | final boolean permissionViolation = |
| 3054 | deniedPermissions == null || !deniedPermissions.contains(perm); |
Fyodor Kupolov | f5e600d | 2017-10-25 17:03:50 -0700 | [diff] [blame] | 3055 | if (permissionViolation) { |
| 3056 | Slog.w(TAG, "Privileged permission " + perm + " for package " |
Philip P. Moltmann | 384db3f | 2019-07-12 09:00:05 -0700 | [diff] [blame] | 3057 | + pkg.packageName + " (" + pkg.codePath |
| 3058 | + ") not in privapp-permissions whitelist"); |
Fyodor Kupolov | f5e600d | 2017-10-25 17:03:50 -0700 | [diff] [blame] | 3059 | |
| 3060 | if (RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_ENFORCE) { |
| 3061 | if (mPrivappPermissionsViolations == null) { |
| 3062 | mPrivappPermissionsViolations = new ArraySet<>(); |
| 3063 | } |
Philip P. Moltmann | 384db3f | 2019-07-12 09:00:05 -0700 | [diff] [blame] | 3064 | mPrivappPermissionsViolations.add( |
| 3065 | pkg.packageName + " (" + pkg.codePath + "): " + perm); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 3066 | } |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 3067 | } else { |
| 3068 | return false; |
| 3069 | } |
| 3070 | } |
| 3071 | if (RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_ENFORCE) { |
| 3072 | return false; |
| 3073 | } |
| 3074 | } |
| 3075 | } |
| 3076 | final String systemPackageName = mPackageManagerInt.getKnownPackageName( |
| 3077 | PackageManagerInternal.PACKAGE_SYSTEM, UserHandle.USER_SYSTEM); |
| 3078 | final PackageParser.Package systemPackage = |
| 3079 | mPackageManagerInt.getPackage(systemPackageName); |
Dan Cashman | 1dbe6d0 | 2018-01-23 11:18:28 -0800 | [diff] [blame] | 3080 | |
| 3081 | // check if the package is allow to use this signature permission. A package is allowed to |
| 3082 | // use a signature permission if: |
| 3083 | // - it has the same set of signing certificates as the source package |
| 3084 | // - or its signing certificate was rotated from the source package's certificate |
| 3085 | // - or its signing certificate is a previous signing certificate of the defining |
| 3086 | // package, and the defining package still trusts the old certificate for permissions |
| 3087 | // - or it shares the above relationships with the system package |
| 3088 | boolean allowed = |
| 3089 | pkg.mSigningDetails.hasAncestorOrSelf( |
| 3090 | bp.getSourcePackageSetting().getSigningDetails()) |
| 3091 | || bp.getSourcePackageSetting().getSigningDetails().checkCapability( |
| 3092 | pkg.mSigningDetails, |
| 3093 | PackageParser.SigningDetails.CertCapabilities.PERMISSION) |
| 3094 | || pkg.mSigningDetails.hasAncestorOrSelf(systemPackage.mSigningDetails) |
| 3095 | || systemPackage.mSigningDetails.checkCapability( |
| 3096 | pkg.mSigningDetails, |
| 3097 | PackageParser.SigningDetails.CertCapabilities.PERMISSION); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 3098 | if (!allowed && (privilegedPermission || oemPermission)) { |
| 3099 | if (pkg.isSystem()) { |
| 3100 | // For updated system applications, a privileged/oem permission |
| 3101 | // is granted only if it had been defined by the original application. |
| 3102 | if (pkg.isUpdatedSystemApp()) { |
| 3103 | final PackageParser.Package disabledPkg = |
Philip P. Moltmann | b0be05c | 2018-09-19 02:46:56 +0000 | [diff] [blame] | 3104 | mPackageManagerInt.getDisabledSystemPackage(pkg.packageName); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 3105 | final PackageSetting disabledPs = |
| 3106 | (disabledPkg != null) ? (PackageSetting) disabledPkg.mExtras : null; |
| 3107 | if (disabledPs != null |
| 3108 | && disabledPs.getPermissionsState().hasInstallPermission(perm)) { |
| 3109 | // If the original was granted this permission, we take |
| 3110 | // that grant decision as read and propagate it to the |
| 3111 | // update. |
| 3112 | if ((privilegedPermission && disabledPs.isPrivileged()) |
| 3113 | || (oemPermission && disabledPs.isOem() |
| 3114 | && canGrantOemPermission(disabledPs, perm))) { |
| 3115 | allowed = true; |
| 3116 | } |
| 3117 | } else { |
| 3118 | // The system apk may have been updated with an older |
| 3119 | // version of the one on the data partition, but which |
| 3120 | // granted a new system permission that it didn't have |
| 3121 | // before. In this case we do want to allow the app to |
| 3122 | // now get the new permission if the ancestral apk is |
| 3123 | // privileged to get it. |
Todd Kennedy | 1efb833 | 2017-10-25 15:51:36 -0700 | [diff] [blame] | 3124 | if (disabledPs != null && disabledPkg != null |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 3125 | && isPackageRequestingPermission(disabledPkg, perm) |
| 3126 | && ((privilegedPermission && disabledPs.isPrivileged()) |
| 3127 | || (oemPermission && disabledPs.isOem() |
| 3128 | && canGrantOemPermission(disabledPs, perm)))) { |
| 3129 | allowed = true; |
| 3130 | } |
| 3131 | // Also if a privileged parent package on the system image or any of |
| 3132 | // its children requested a privileged/oem permission, the updated child |
| 3133 | // packages can also get the permission. |
| 3134 | if (pkg.parentPackage != null) { |
| 3135 | final PackageParser.Package disabledParentPkg = mPackageManagerInt |
Philip P. Moltmann | b0be05c | 2018-09-19 02:46:56 +0000 | [diff] [blame] | 3136 | .getDisabledSystemPackage(pkg.parentPackage.packageName); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 3137 | final PackageSetting disabledParentPs = (disabledParentPkg != null) |
| 3138 | ? (PackageSetting) disabledParentPkg.mExtras : null; |
| 3139 | if (disabledParentPkg != null |
| 3140 | && ((privilegedPermission && disabledParentPs.isPrivileged()) |
| 3141 | || (oemPermission && disabledParentPs.isOem()))) { |
| 3142 | if (isPackageRequestingPermission(disabledParentPkg, perm) |
| 3143 | && canGrantOemPermission(disabledParentPs, perm)) { |
| 3144 | allowed = true; |
| 3145 | } else if (disabledParentPkg.childPackages != null) { |
| 3146 | for (PackageParser.Package disabledChildPkg |
| 3147 | : disabledParentPkg.childPackages) { |
| 3148 | final PackageSetting disabledChildPs = |
| 3149 | (disabledChildPkg != null) |
| 3150 | ? (PackageSetting) disabledChildPkg.mExtras |
| 3151 | : null; |
| 3152 | if (isPackageRequestingPermission(disabledChildPkg, perm) |
| 3153 | && canGrantOemPermission( |
| 3154 | disabledChildPs, perm)) { |
| 3155 | allowed = true; |
| 3156 | break; |
| 3157 | } |
| 3158 | } |
| 3159 | } |
| 3160 | } |
| 3161 | } |
| 3162 | } |
| 3163 | } else { |
| 3164 | final PackageSetting ps = (PackageSetting) pkg.mExtras; |
| 3165 | allowed = (privilegedPermission && pkg.isPrivileged()) |
| 3166 | || (oemPermission && pkg.isOem() |
| 3167 | && canGrantOemPermission(ps, perm)); |
| 3168 | } |
Jiyong Park | 002fdbd | 2017-02-13 20:50:31 +0900 | [diff] [blame] | 3169 | // In any case, don't grant a privileged permission to privileged vendor apps, if |
| 3170 | // the permission's protectionLevel does not have the extra 'vendorPrivileged' |
| 3171 | // flag. |
| 3172 | if (allowed && privilegedPermission && |
| 3173 | !vendorPrivilegedPermission && pkg.isVendor()) { |
| 3174 | Slog.w(TAG, "Permission " + perm + " cannot be granted to privileged vendor apk " |
| 3175 | + pkg.packageName + " because it isn't a 'vendorPrivileged' permission."); |
| 3176 | allowed = false; |
| 3177 | } |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 3178 | } |
| 3179 | } |
| 3180 | if (!allowed) { |
| 3181 | if (!allowed |
| 3182 | && bp.isPre23() |
| 3183 | && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { |
| 3184 | // If this was a previously normal/dangerous permission that got moved |
| 3185 | // to a system permission as part of the runtime permission redesign, then |
| 3186 | // we still want to blindly grant it to old apps. |
| 3187 | allowed = true; |
| 3188 | } |
Philip P. Moltmann | 8943ad6 | 2018-07-25 12:12:30 -0700 | [diff] [blame] | 3189 | // TODO (moltmann): The installer now shares the platforms signature. Hence it does not |
| 3190 | // need a separate flag anymore. Hence we need to check which |
| 3191 | // permissions are needed by the permission controller |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 3192 | if (!allowed && bp.isInstaller() |
Philip P. Moltmann | 8943ad6 | 2018-07-25 12:12:30 -0700 | [diff] [blame] | 3193 | && (pkg.packageName.equals(mPackageManagerInt.getKnownPackageName( |
| 3194 | PackageManagerInternal.PACKAGE_INSTALLER, UserHandle.USER_SYSTEM)) |
| 3195 | || pkg.packageName.equals(mPackageManagerInt.getKnownPackageName( |
| 3196 | PackageManagerInternal.PACKAGE_PERMISSION_CONTROLLER, |
| 3197 | UserHandle.USER_SYSTEM)))) { |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 3198 | // If this permission is to be granted to the system installer and |
| 3199 | // this app is an installer, then it gets the permission. |
| 3200 | allowed = true; |
| 3201 | } |
| 3202 | if (!allowed && bp.isVerifier() |
| 3203 | && pkg.packageName.equals(mPackageManagerInt.getKnownPackageName( |
| 3204 | PackageManagerInternal.PACKAGE_VERIFIER, UserHandle.USER_SYSTEM))) { |
| 3205 | // If this permission is to be granted to the system verifier and |
| 3206 | // this app is a verifier, then it gets the permission. |
| 3207 | allowed = true; |
| 3208 | } |
| 3209 | if (!allowed && bp.isPreInstalled() |
| 3210 | && pkg.isSystem()) { |
| 3211 | // Any pre-installed system app is allowed to get this permission. |
| 3212 | allowed = true; |
| 3213 | } |
| 3214 | if (!allowed && bp.isDevelopment()) { |
| 3215 | // For development permissions, a development permission |
| 3216 | // is granted only if it was already granted. |
| 3217 | allowed = origPermissions.hasInstallPermission(perm); |
| 3218 | } |
| 3219 | if (!allowed && bp.isSetup() |
| 3220 | && pkg.packageName.equals(mPackageManagerInt.getKnownPackageName( |
| 3221 | PackageManagerInternal.PACKAGE_SETUP_WIZARD, UserHandle.USER_SYSTEM))) { |
| 3222 | // If this permission is to be granted to the system setup wizard and |
| 3223 | // this app is a setup wizard, then it gets the permission. |
| 3224 | allowed = true; |
| 3225 | } |
Makoto Onuki | 700feef | 2018-02-15 10:59:41 -0800 | [diff] [blame] | 3226 | if (!allowed && bp.isSystemTextClassifier() |
| 3227 | && pkg.packageName.equals(mPackageManagerInt.getKnownPackageName( |
| 3228 | PackageManagerInternal.PACKAGE_SYSTEM_TEXT_CLASSIFIER, |
| 3229 | UserHandle.USER_SYSTEM))) { |
| 3230 | // Special permissions for the system default text classifier. |
| 3231 | allowed = true; |
| 3232 | } |
Stanislav Zholnin | 596437f | 2018-12-28 15:34:23 +0000 | [diff] [blame] | 3233 | if (!allowed && bp.isConfigurator() |
| 3234 | && pkg.packageName.equals(mPackageManagerInt.getKnownPackageName( |
| 3235 | PackageManagerInternal.PACKAGE_CONFIGURATOR, |
| 3236 | UserHandle.USER_SYSTEM))) { |
| 3237 | // Special permissions for the device configurator. |
| 3238 | allowed = true; |
| 3239 | } |
Varun Shah | 5f30365 | 2018-11-16 18:11:19 -0800 | [diff] [blame] | 3240 | if (!allowed && bp.isWellbeing() |
| 3241 | && pkg.packageName.equals(mPackageManagerInt.getKnownPackageName( |
| 3242 | PackageManagerInternal.PACKAGE_WELLBEING, UserHandle.USER_SYSTEM))) { |
| 3243 | // Special permission granted only to the OEM specified wellbeing app |
| 3244 | allowed = true; |
| 3245 | } |
Jeff Sharkey | 15707b3 | 2018-12-10 12:08:41 -0700 | [diff] [blame] | 3246 | if (!allowed && bp.isDocumenter() |
| 3247 | && pkg.packageName.equals(mPackageManagerInt.getKnownPackageName( |
| 3248 | PackageManagerInternal.PACKAGE_DOCUMENTER, UserHandle.USER_SYSTEM))) { |
| 3249 | // If this permission is to be granted to the documenter and |
| 3250 | // this app is the documenter, then it gets the permission. |
| 3251 | allowed = true; |
| 3252 | } |
Joe Onorato | 5a15b55 | 2018-12-18 10:40:04 -0800 | [diff] [blame] | 3253 | if (!allowed && bp.isIncidentReportApprover() |
| 3254 | && pkg.packageName.equals(mPackageManagerInt.getKnownPackageName( |
| 3255 | PackageManagerInternal.PACKAGE_INCIDENT_REPORT_APPROVER, |
| 3256 | UserHandle.USER_SYSTEM))) { |
| 3257 | // If this permission is to be granted to the incident report approver and |
| 3258 | // this app is the incident report approver, then it gets the permission. |
| 3259 | allowed = true; |
| 3260 | } |
George Hodulik | cd7695d | 2019-01-29 18:17:05 -0800 | [diff] [blame] | 3261 | if (!allowed && bp.isAppPredictor() |
| 3262 | && pkg.packageName.equals(mPackageManagerInt.getKnownPackageName( |
| 3263 | PackageManagerInternal.PACKAGE_APP_PREDICTOR, UserHandle.USER_SYSTEM))) { |
| 3264 | // Special permissions for the system app predictor. |
| 3265 | allowed = true; |
| 3266 | } |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 3267 | } |
| 3268 | return allowed; |
| 3269 | } |
| 3270 | |
| 3271 | private static boolean canGrantOemPermission(PackageSetting ps, String permission) { |
| 3272 | if (!ps.isOem()) { |
| 3273 | return false; |
| 3274 | } |
| 3275 | // all oem permissions must explicitly be granted or denied |
| 3276 | final Boolean granted = |
| 3277 | SystemConfig.getInstance().getOemPermissions(ps.name).get(permission); |
| 3278 | if (granted == null) { |
| 3279 | throw new IllegalStateException("OEM permission" + permission + " requested by package " |
| 3280 | + ps.name + " must be explicitly declared granted or not"); |
| 3281 | } |
| 3282 | return Boolean.TRUE == granted; |
| 3283 | } |
| 3284 | |
Philip P. Moltmann | c91ff6f | 2019-06-14 14:35:42 -0700 | [diff] [blame] | 3285 | private boolean isPermissionsReviewRequired(@NonNull PackageParser.Package pkg, |
| 3286 | @UserIdInt int userId) { |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 3287 | // Permission review applies only to apps not supporting the new permission model. |
| 3288 | if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { |
| 3289 | return false; |
| 3290 | } |
| 3291 | |
| 3292 | // Legacy apps have the permission and get user consent on launch. |
Philip P. Moltmann | c91ff6f | 2019-06-14 14:35:42 -0700 | [diff] [blame] | 3293 | if (pkg.mExtras == null) { |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 3294 | return false; |
| 3295 | } |
| 3296 | final PackageSetting ps = (PackageSetting) pkg.mExtras; |
| 3297 | final PermissionsState permissionsState = ps.getPermissionsState(); |
| 3298 | return permissionsState.isPermissionReviewRequired(userId); |
| 3299 | } |
| 3300 | |
| 3301 | private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { |
| 3302 | final int permCount = pkg.requestedPermissions.size(); |
| 3303 | for (int j = 0; j < permCount; j++) { |
| 3304 | String requestedPermission = pkg.requestedPermissions.get(j); |
| 3305 | if (permission.equals(requestedPermission)) { |
| 3306 | return true; |
| 3307 | } |
| 3308 | } |
| 3309 | return false; |
| 3310 | } |
| 3311 | |
Andreas Gampe | a36dc62 | 2018-02-05 17:19:22 -0800 | [diff] [blame] | 3312 | @GuardedBy("mLock") |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 3313 | private void grantRuntimePermissionsGrantedToDisabledPackageLocked( |
| 3314 | PackageParser.Package pkg, int callingUid, PermissionCallback callback) { |
| 3315 | if (pkg.parentPackage == null) { |
| 3316 | return; |
| 3317 | } |
| 3318 | if (pkg.requestedPermissions == null) { |
| 3319 | return; |
| 3320 | } |
| 3321 | final PackageParser.Package disabledPkg = |
Philip P. Moltmann | b0be05c | 2018-09-19 02:46:56 +0000 | [diff] [blame] | 3322 | mPackageManagerInt.getDisabledSystemPackage(pkg.parentPackage.packageName); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 3323 | if (disabledPkg == null || disabledPkg.mExtras == null) { |
| 3324 | return; |
| 3325 | } |
| 3326 | final PackageSetting disabledPs = (PackageSetting) disabledPkg.mExtras; |
| 3327 | if (!disabledPs.isPrivileged() || disabledPs.hasChildPackages()) { |
| 3328 | return; |
| 3329 | } |
| 3330 | final int permCount = pkg.requestedPermissions.size(); |
| 3331 | for (int i = 0; i < permCount; i++) { |
| 3332 | String permission = pkg.requestedPermissions.get(i); |
| 3333 | BasePermission bp = mSettings.getPermissionLocked(permission); |
| 3334 | if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { |
| 3335 | continue; |
| 3336 | } |
| 3337 | for (int userId : mUserManagerInt.getUserIds()) { |
| 3338 | if (disabledPs.getPermissionsState().hasRuntimePermission(permission, userId)) { |
Todd Kennedy | c971a45 | 2019-07-08 16:04:52 -0700 | [diff] [blame] | 3339 | grantRuntimePermissionInternal( |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 3340 | permission, pkg.packageName, false, callingUid, userId, callback); |
| 3341 | } |
| 3342 | } |
| 3343 | } |
| 3344 | } |
| 3345 | |
| 3346 | private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, |
| 3347 | String[] grantedPermissions, int callingUid, PermissionCallback callback) { |
| 3348 | for (int userId : userIds) { |
| 3349 | grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions, callingUid, |
| 3350 | callback); |
| 3351 | } |
| 3352 | } |
| 3353 | |
| 3354 | private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, |
| 3355 | String[] grantedPermissions, int callingUid, PermissionCallback callback) { |
| 3356 | PackageSetting ps = (PackageSetting) pkg.mExtras; |
| 3357 | if (ps == null) { |
| 3358 | return; |
| 3359 | } |
| 3360 | |
| 3361 | PermissionsState permissionsState = ps.getPermissionsState(); |
| 3362 | |
| 3363 | final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED |
| 3364 | | PackageManager.FLAG_PERMISSION_POLICY_FIXED; |
| 3365 | |
| 3366 | final boolean supportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion |
| 3367 | >= Build.VERSION_CODES.M; |
| 3368 | |
| 3369 | final boolean instantApp = mPackageManagerInt.isInstantApp(pkg.packageName, userId); |
| 3370 | |
| 3371 | for (String permission : pkg.requestedPermissions) { |
| 3372 | final BasePermission bp; |
| 3373 | synchronized (mLock) { |
| 3374 | bp = mSettings.getPermissionLocked(permission); |
| 3375 | } |
| 3376 | if (bp != null && (bp.isRuntime() || bp.isDevelopment()) |
| 3377 | && (!instantApp || bp.isInstant()) |
| 3378 | && (supportsRuntimePermissions || !bp.isRuntimeOnly()) |
| 3379 | && (grantedPermissions == null |
| 3380 | || ArrayUtils.contains(grantedPermissions, permission))) { |
| 3381 | final int flags = permissionsState.getPermissionFlags(permission, userId); |
| 3382 | if (supportsRuntimePermissions) { |
| 3383 | // Installer cannot change immutable permissions. |
| 3384 | if ((flags & immutableFlags) == 0) { |
Todd Kennedy | c971a45 | 2019-07-08 16:04:52 -0700 | [diff] [blame] | 3385 | grantRuntimePermissionInternal(permission, pkg.packageName, false, |
| 3386 | callingUid, userId, callback); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 3387 | } |
Philip P. Moltmann | 6c644e6 | 2018-07-18 15:41:24 -0700 | [diff] [blame] | 3388 | } else { |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 3389 | // In permission review mode we clear the review flag when we |
| 3390 | // are asked to install the app with all permissions granted. |
| 3391 | if ((flags & PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { |
Todd Kennedy | 230c0a7 | 2019-07-03 13:06:35 -0700 | [diff] [blame] | 3392 | updatePermissionFlagsInternal(permission, pkg.packageName, |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 3393 | PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED, 0, callingUid, |
Philip P. Moltmann | 2a537a6 | 2019-02-08 13:07:57 -0800 | [diff] [blame] | 3394 | userId, false, callback); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 3395 | } |
| 3396 | } |
| 3397 | } |
| 3398 | } |
| 3399 | } |
| 3400 | |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 3401 | private void setWhitelistedRestrictedPermissionsForUser(@NonNull PackageParser.Package pkg, |
| 3402 | @UserIdInt int userId, @Nullable List<String> permissions, int callingUid, |
| 3403 | @PermissionWhitelistFlags int whitelistFlags, PermissionCallback callback) { |
Todd Kennedy | 7e3dd3a | 2019-07-08 10:34:29 -0700 | [diff] [blame] | 3404 | final PermissionsState permissionsState = |
| 3405 | PackageManagerServiceUtils.getPermissionsState(pkg); |
| 3406 | if (permissionsState == null) { |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 3407 | return; |
| 3408 | } |
| 3409 | |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 3410 | ArraySet<String> oldGrantedRestrictedPermissions = null; |
| 3411 | boolean updatePermissions = false; |
| 3412 | |
| 3413 | final int permissionCount = pkg.requestedPermissions.size(); |
| 3414 | for (int i = 0; i < permissionCount; i++) { |
| 3415 | final String permissionName = pkg.requestedPermissions.get(i); |
| 3416 | |
| 3417 | final BasePermission bp = mSettings.getPermissionLocked(permissionName); |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 3418 | |
Evan Severson | cdcaaaa | 2019-07-02 10:29:25 -0700 | [diff] [blame] | 3419 | if (bp == null || !bp.isHardOrSoftRestricted()) { |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 3420 | continue; |
| 3421 | } |
| 3422 | |
| 3423 | if (permissionsState.hasPermission(permissionName, userId)) { |
| 3424 | if (oldGrantedRestrictedPermissions == null) { |
| 3425 | oldGrantedRestrictedPermissions = new ArraySet<>(); |
| 3426 | } |
| 3427 | oldGrantedRestrictedPermissions.add(permissionName); |
| 3428 | } |
| 3429 | |
| 3430 | final int oldFlags = permissionsState.getPermissionFlags(permissionName, userId); |
| 3431 | |
| 3432 | int newFlags = oldFlags; |
| 3433 | int mask = 0; |
| 3434 | int whitelistFlagsCopy = whitelistFlags; |
| 3435 | while (whitelistFlagsCopy != 0) { |
| 3436 | final int flag = 1 << Integer.numberOfTrailingZeros(whitelistFlagsCopy); |
| 3437 | whitelistFlagsCopy &= ~flag; |
| 3438 | switch (flag) { |
| 3439 | case FLAG_PERMISSION_WHITELIST_SYSTEM: { |
| 3440 | mask |= PackageManager.FLAG_PERMISSION_RESTRICTION_SYSTEM_EXEMPT; |
| 3441 | if (permissions != null && permissions.contains(permissionName)) { |
| 3442 | newFlags |= PackageManager.FLAG_PERMISSION_RESTRICTION_SYSTEM_EXEMPT; |
| 3443 | } else { |
| 3444 | newFlags &= ~PackageManager.FLAG_PERMISSION_RESTRICTION_SYSTEM_EXEMPT; |
| 3445 | } |
| 3446 | } break; |
| 3447 | case FLAG_PERMISSION_WHITELIST_UPGRADE: { |
| 3448 | mask |= PackageManager.FLAG_PERMISSION_RESTRICTION_UPGRADE_EXEMPT; |
| 3449 | if (permissions != null && permissions.contains(permissionName)) { |
| 3450 | newFlags |= PackageManager.FLAG_PERMISSION_RESTRICTION_UPGRADE_EXEMPT; |
| 3451 | } else { |
| 3452 | newFlags &= ~PackageManager.FLAG_PERMISSION_RESTRICTION_UPGRADE_EXEMPT; |
| 3453 | } |
| 3454 | } break; |
| 3455 | case FLAG_PERMISSION_WHITELIST_INSTALLER: { |
| 3456 | mask |= PackageManager.FLAG_PERMISSION_RESTRICTION_INSTALLER_EXEMPT; |
| 3457 | if (permissions != null && permissions.contains(permissionName)) { |
| 3458 | newFlags |= PackageManager.FLAG_PERMISSION_RESTRICTION_INSTALLER_EXEMPT; |
| 3459 | } else { |
| 3460 | newFlags &= ~PackageManager.FLAG_PERMISSION_RESTRICTION_INSTALLER_EXEMPT; |
| 3461 | } |
| 3462 | } break; |
| 3463 | } |
| 3464 | } |
| 3465 | |
| 3466 | if (oldFlags == newFlags) { |
| 3467 | continue; |
| 3468 | } |
| 3469 | |
| 3470 | updatePermissions = true; |
| 3471 | |
Svet Ganov | d563e93 | 2019-04-14 13:07:41 -0700 | [diff] [blame] | 3472 | final boolean wasWhitelisted = (oldFlags |
| 3473 | & (PackageManager.FLAGS_PERMISSION_RESTRICTION_ANY_EXEMPT)) != 0; |
| 3474 | final boolean isWhitelisted = (newFlags |
| 3475 | & (PackageManager.FLAGS_PERMISSION_RESTRICTION_ANY_EXEMPT)) != 0; |
| 3476 | |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 3477 | // If the permission is policy fixed as granted but it is no longer |
| 3478 | // on any of the whitelists we need to clear the policy fixed flag |
| 3479 | // as whitelisting trumps policy i.e. policy cannot grant a non |
| 3480 | // grantable permission. |
| 3481 | if ((oldFlags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 3482 | final boolean isGranted = permissionsState.hasPermission(permissionName, userId); |
| 3483 | if (!isWhitelisted && isGranted) { |
| 3484 | mask |= PackageManager.FLAG_PERMISSION_POLICY_FIXED; |
| 3485 | newFlags &= ~PackageManager.FLAG_PERMISSION_POLICY_FIXED; |
| 3486 | } |
| 3487 | } |
| 3488 | |
Svet Ganov | d563e93 | 2019-04-14 13:07:41 -0700 | [diff] [blame] | 3489 | // If we are whitelisting an app that does not support runtime permissions |
| 3490 | // we need to make sure it goes through the permission review UI at launch. |
| 3491 | if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M |
| 3492 | && !wasWhitelisted && isWhitelisted) { |
| 3493 | mask |= PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; |
| 3494 | newFlags |= PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; |
| 3495 | } |
| 3496 | |
Todd Kennedy | 230c0a7 | 2019-07-03 13:06:35 -0700 | [diff] [blame] | 3497 | updatePermissionFlagsInternal(permissionName, pkg.packageName, mask, newFlags, |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 3498 | callingUid, userId, false, null /*callback*/); |
| 3499 | } |
| 3500 | |
| 3501 | if (updatePermissions) { |
Philip P. Moltmann | ba74206 | 2019-04-08 13:22:44 -0700 | [diff] [blame] | 3502 | // Update permission of this app to take into account the new whitelist state. |
| 3503 | restorePermissionState(pkg, false, pkg.packageName, callback); |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 3504 | |
| 3505 | // If this resulted in losing a permission we need to kill the app. |
| 3506 | if (oldGrantedRestrictedPermissions != null) { |
| 3507 | final int oldGrantedCount = oldGrantedRestrictedPermissions.size(); |
| 3508 | for (int i = 0; i < oldGrantedCount; i++) { |
| 3509 | final String permission = oldGrantedRestrictedPermissions.valueAt(i); |
| 3510 | // Sometimes we create a new permission state instance during update. |
Todd Kennedy | 7e3dd3a | 2019-07-08 10:34:29 -0700 | [diff] [blame] | 3511 | final PermissionsState newPermissionsState = |
| 3512 | PackageManagerServiceUtils.getPermissionsState(pkg); |
| 3513 | if (!newPermissionsState.hasPermission(permission, userId)) { |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 3514 | callback.onPermissionRevoked(pkg.applicationInfo.uid, userId); |
| 3515 | break; |
| 3516 | } |
| 3517 | } |
| 3518 | } |
| 3519 | } |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 3520 | } |
| 3521 | |
Andreas Gampe | a36dc62 | 2018-02-05 17:19:22 -0800 | [diff] [blame] | 3522 | @GuardedBy("mLock") |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 3523 | private int[] revokeUnusedSharedUserPermissionsLocked( |
| 3524 | SharedUserSetting suSetting, int[] allUserIds) { |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 3525 | // Collect all used permissions in the UID |
| 3526 | final ArraySet<String> usedPermissions = new ArraySet<>(); |
| 3527 | final List<PackageParser.Package> pkgList = suSetting.getPackages(); |
| 3528 | if (pkgList == null || pkgList.size() == 0) { |
| 3529 | return EmptyArray.INT; |
| 3530 | } |
| 3531 | for (PackageParser.Package pkg : pkgList) { |
Svet Ganov | d830807 | 2018-03-24 00:04:38 -0700 | [diff] [blame] | 3532 | if (pkg.requestedPermissions == null) { |
| 3533 | continue; |
| 3534 | } |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 3535 | final int requestedPermCount = pkg.requestedPermissions.size(); |
| 3536 | for (int j = 0; j < requestedPermCount; j++) { |
| 3537 | String permission = pkg.requestedPermissions.get(j); |
| 3538 | BasePermission bp = mSettings.getPermissionLocked(permission); |
| 3539 | if (bp != null) { |
| 3540 | usedPermissions.add(permission); |
| 3541 | } |
| 3542 | } |
| 3543 | } |
| 3544 | |
| 3545 | PermissionsState permissionsState = suSetting.getPermissionsState(); |
| 3546 | // Prune install permissions |
| 3547 | List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); |
| 3548 | final int installPermCount = installPermStates.size(); |
| 3549 | for (int i = installPermCount - 1; i >= 0; i--) { |
| 3550 | PermissionState permissionState = installPermStates.get(i); |
| 3551 | if (!usedPermissions.contains(permissionState.getName())) { |
| 3552 | BasePermission bp = mSettings.getPermissionLocked(permissionState.getName()); |
| 3553 | if (bp != null) { |
| 3554 | permissionsState.revokeInstallPermission(bp); |
| 3555 | permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, |
Philip P. Moltmann | 7659769 | 2019-03-02 13:18:41 -0800 | [diff] [blame] | 3556 | MASK_PERMISSION_FLAGS_ALL, 0); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 3557 | } |
| 3558 | } |
| 3559 | } |
| 3560 | |
| 3561 | int[] runtimePermissionChangedUserIds = EmptyArray.INT; |
| 3562 | |
| 3563 | // Prune runtime permissions |
| 3564 | for (int userId : allUserIds) { |
| 3565 | List<PermissionState> runtimePermStates = permissionsState |
| 3566 | .getRuntimePermissionStates(userId); |
| 3567 | final int runtimePermCount = runtimePermStates.size(); |
| 3568 | for (int i = runtimePermCount - 1; i >= 0; i--) { |
| 3569 | PermissionState permissionState = runtimePermStates.get(i); |
| 3570 | if (!usedPermissions.contains(permissionState.getName())) { |
| 3571 | BasePermission bp = mSettings.getPermissionLocked(permissionState.getName()); |
| 3572 | if (bp != null) { |
| 3573 | permissionsState.revokeRuntimePermission(bp, userId); |
| 3574 | permissionsState.updatePermissionFlags(bp, userId, |
Philip P. Moltmann | 7659769 | 2019-03-02 13:18:41 -0800 | [diff] [blame] | 3575 | MASK_PERMISSION_FLAGS_ALL, 0); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 3576 | runtimePermissionChangedUserIds = ArrayUtils.appendInt( |
| 3577 | runtimePermissionChangedUserIds, userId); |
| 3578 | } |
| 3579 | } |
| 3580 | } |
| 3581 | } |
| 3582 | |
| 3583 | return runtimePermissionChangedUserIds; |
| 3584 | } |
| 3585 | |
Philip P. Moltmann | dc65aa3 | 2019-03-28 12:02:45 -0700 | [diff] [blame] | 3586 | /** |
| 3587 | * Update permissions when a package changed. |
| 3588 | * |
| 3589 | * <p><ol> |
| 3590 | * <li>Reconsider the ownership of permission</li> |
| 3591 | * <li>Update the state (grant, flags) of the permissions</li> |
| 3592 | * </ol> |
| 3593 | * |
| 3594 | * @param packageName The package that is updated |
| 3595 | * @param pkg The package that is updated, or {@code null} if package is deleted |
| 3596 | * @param allPackages All currently known packages |
| 3597 | * @param callback Callback to call after permission changes |
| 3598 | */ |
| 3599 | private void updatePermissions(@NonNull String packageName, @Nullable PackageParser.Package pkg, |
Philip P. Moltmann | dc65aa3 | 2019-03-28 12:02:45 -0700 | [diff] [blame] | 3600 | @NonNull PermissionCallback callback) { |
| 3601 | final int flags = |
| 3602 | (pkg != null ? UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG : 0); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 3603 | updatePermissions( |
Todd Kennedy | c971a45 | 2019-07-08 16:04:52 -0700 | [diff] [blame] | 3604 | packageName, pkg, getVolumeUuidForPackage(pkg), flags, callback); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 3605 | if (pkg != null && pkg.childPackages != null) { |
| 3606 | for (PackageParser.Package childPkg : pkg.childPackages) { |
| 3607 | updatePermissions(childPkg.packageName, childPkg, |
Todd Kennedy | c971a45 | 2019-07-08 16:04:52 -0700 | [diff] [blame] | 3608 | getVolumeUuidForPackage(childPkg), flags, callback); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 3609 | } |
| 3610 | } |
| 3611 | } |
| 3612 | |
Philip P. Moltmann | dc65aa3 | 2019-03-28 12:02:45 -0700 | [diff] [blame] | 3613 | /** |
| 3614 | * Update all permissions for all apps. |
| 3615 | * |
| 3616 | * <p><ol> |
| 3617 | * <li>Reconsider the ownership of permission</li> |
| 3618 | * <li>Update the state (grant, flags) of the permissions</li> |
| 3619 | * </ol> |
| 3620 | * |
| 3621 | * @param volumeUuid The volume of the packages to be updated, {@code null} for all volumes |
| 3622 | * @param allPackages All currently known packages |
| 3623 | * @param callback Callback to call after permission changes |
| 3624 | */ |
| 3625 | private void updateAllPermissions(@Nullable String volumeUuid, boolean sdkUpdated, |
Philip P. Moltmann | dc65aa3 | 2019-03-28 12:02:45 -0700 | [diff] [blame] | 3626 | @NonNull PermissionCallback callback) { |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 3627 | final int flags = UPDATE_PERMISSIONS_ALL | |
| 3628 | (sdkUpdated |
| 3629 | ? UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL |
| 3630 | : 0); |
Todd Kennedy | c971a45 | 2019-07-08 16:04:52 -0700 | [diff] [blame] | 3631 | updatePermissions(null, null, volumeUuid, flags, callback); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 3632 | } |
| 3633 | |
Philip P. Moltmann | dc65aa3 | 2019-03-28 12:02:45 -0700 | [diff] [blame] | 3634 | /** |
| 3635 | * Cache background->foreground permission mapping. |
| 3636 | * |
| 3637 | * <p>This is only run once. |
| 3638 | */ |
| 3639 | private void cacheBackgroundToForegoundPermissionMapping() { |
Philip P. Moltmann | e1b277a | 2018-11-01 16:22:50 -0700 | [diff] [blame] | 3640 | synchronized (mLock) { |
| 3641 | if (mBackgroundPermissions == null) { |
| 3642 | // Cache background -> foreground permission mapping. |
| 3643 | // Only system declares background permissions, hence mapping does never change. |
| 3644 | mBackgroundPermissions = new ArrayMap<>(); |
| 3645 | for (BasePermission bp : mSettings.getAllPermissionsLocked()) { |
Philip P. Moltmann | 798bf9a | 2018-11-08 17:07:19 -0800 | [diff] [blame] | 3646 | if (bp.perm != null && bp.perm.info != null |
| 3647 | && bp.perm.info.backgroundPermission != null) { |
Philip P. Moltmann | e1b277a | 2018-11-01 16:22:50 -0700 | [diff] [blame] | 3648 | String fgPerm = bp.name; |
| 3649 | String bgPerm = bp.perm.info.backgroundPermission; |
| 3650 | |
| 3651 | List<String> fgPerms = mBackgroundPermissions.get(bgPerm); |
| 3652 | if (fgPerms == null) { |
| 3653 | fgPerms = new ArrayList<>(); |
| 3654 | mBackgroundPermissions.put(bgPerm, fgPerms); |
| 3655 | } |
| 3656 | |
| 3657 | fgPerms.add(fgPerm); |
| 3658 | } |
| 3659 | } |
| 3660 | } |
| 3661 | } |
Philip P. Moltmann | dc65aa3 | 2019-03-28 12:02:45 -0700 | [diff] [blame] | 3662 | } |
| 3663 | |
| 3664 | /** |
| 3665 | * Update all packages on the volume, <u>beside</u> the changing package. If the changing |
| 3666 | * package is set too, all packages are updated. |
| 3667 | */ |
| 3668 | private static final int UPDATE_PERMISSIONS_ALL = 1 << 0; |
| 3669 | /** The changing package is replaced. Requires the changing package to be set */ |
| 3670 | private static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1 << 1; |
| 3671 | /** |
| 3672 | * Schedule all packages <u>beside</u> the changing package for replacement. Requires |
| 3673 | * UPDATE_PERMISSIONS_ALL to be set |
| 3674 | */ |
| 3675 | private static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1 << 2; |
| 3676 | |
| 3677 | @IntDef(flag = true, prefix = { "UPDATE_PERMISSIONS_" }, value = { |
| 3678 | UPDATE_PERMISSIONS_ALL, UPDATE_PERMISSIONS_REPLACE_PKG, |
| 3679 | UPDATE_PERMISSIONS_REPLACE_ALL }) |
| 3680 | @Retention(RetentionPolicy.SOURCE) |
| 3681 | private @interface UpdatePermissionFlags {} |
| 3682 | |
| 3683 | /** |
| 3684 | * Update permissions when packages changed. |
| 3685 | * |
| 3686 | * <p><ol> |
| 3687 | * <li>Reconsider the ownership of permission</li> |
| 3688 | * <li>Update the state (grant, flags) of the permissions</li> |
| 3689 | * </ol> |
| 3690 | * |
| 3691 | * <p>Meaning of combination of package parameters: |
| 3692 | * <table> |
| 3693 | * <tr><th></th><th>changingPkgName != null</th><th>changingPkgName == null</th></tr> |
| 3694 | * <tr><th>changingPkg != null</th><td>package is updated</td><td>invalid</td></tr> |
| 3695 | * <tr><th>changingPkg == null</th><td>package is deleted</td><td>all packages are |
| 3696 | * updated</td></tr> |
| 3697 | * </table> |
| 3698 | * |
| 3699 | * @param changingPkgName The package that is updated, or {@code null} if all packages should be |
| 3700 | * updated |
| 3701 | * @param changingPkg The package that is updated, or {@code null} if all packages should be |
| 3702 | * updated or package is deleted |
| 3703 | * @param replaceVolumeUuid The volume of the packages to be updated are on, {@code null} for |
| 3704 | * all volumes |
| 3705 | * @param flags Control permission for which apps should be updated |
| 3706 | * @param allPackages All currently known packages |
| 3707 | * @param callback Callback to call after permission changes |
| 3708 | */ |
Todd Kennedy | c971a45 | 2019-07-08 16:04:52 -0700 | [diff] [blame] | 3709 | private void updatePermissions(final @Nullable String changingPkgName, |
| 3710 | final @Nullable PackageParser.Package changingPkg, |
| 3711 | final @Nullable String replaceVolumeUuid, |
Philip P. Moltmann | dc65aa3 | 2019-03-28 12:02:45 -0700 | [diff] [blame] | 3712 | @UpdatePermissionFlags int flags, |
Todd Kennedy | c971a45 | 2019-07-08 16:04:52 -0700 | [diff] [blame] | 3713 | final @Nullable PermissionCallback callback) { |
Philip P. Moltmann | dc65aa3 | 2019-03-28 12:02:45 -0700 | [diff] [blame] | 3714 | // TODO: Most of the methods exposing BasePermission internals [source package name, |
| 3715 | // etc..] shouldn't be needed. Instead, when we've parsed a permission that doesn't |
| 3716 | // have package settings, we should make note of it elsewhere [map between |
| 3717 | // source package name and BasePermission] and cycle through that here. Then we |
| 3718 | // define a single method on BasePermission that takes a PackageSetting, changing |
| 3719 | // package name and a package. |
| 3720 | // NOTE: With this approach, we also don't need to tree trees differently than |
| 3721 | // normal permissions. Today, we need two separate loops because these BasePermission |
| 3722 | // objects are stored separately. |
| 3723 | // Make sure there are no dangling permission trees. |
| 3724 | boolean permissionTreesSourcePackageChanged = updatePermissionTreeSourcePackage( |
| 3725 | changingPkgName, changingPkg); |
| 3726 | // Make sure all dynamic permissions have been assigned to a package, |
| 3727 | // and make sure there are no dangling permissions. |
| 3728 | boolean permissionSourcePackageChanged = updatePermissionSourcePackage(changingPkgName, |
| 3729 | changingPkg); |
| 3730 | |
| 3731 | if (permissionTreesSourcePackageChanged | permissionSourcePackageChanged) { |
| 3732 | // Permission ownership has changed. This e.g. changes which packages can get signature |
| 3733 | // permissions |
| 3734 | flags |= UPDATE_PERMISSIONS_ALL; |
| 3735 | } |
| 3736 | |
| 3737 | cacheBackgroundToForegoundPermissionMapping(); |
Philip P. Moltmann | e1b277a | 2018-11-01 16:22:50 -0700 | [diff] [blame] | 3738 | |
Philip P. Moltmann | e0f00ea | 2018-10-30 10:43:15 -0700 | [diff] [blame] | 3739 | Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "restorePermissionState"); |
Philip P. Moltmann | dc65aa3 | 2019-03-28 12:02:45 -0700 | [diff] [blame] | 3740 | // Now update the permissions for all packages. |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 3741 | if ((flags & UPDATE_PERMISSIONS_ALL) != 0) { |
Todd Kennedy | c971a45 | 2019-07-08 16:04:52 -0700 | [diff] [blame] | 3742 | final boolean replaceAll = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0); |
| 3743 | mPackageManagerInt.forEachPackage((Package pkg) -> { |
| 3744 | if (pkg == changingPkg) { |
| 3745 | return; |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 3746 | } |
Todd Kennedy | c971a45 | 2019-07-08 16:04:52 -0700 | [diff] [blame] | 3747 | // Only replace for packages on requested volume |
| 3748 | final String volumeUuid = getVolumeUuidForPackage(pkg); |
| 3749 | final boolean replace = replaceAll && Objects.equals(replaceVolumeUuid, volumeUuid); |
| 3750 | restorePermissionState(pkg, replace, changingPkgName, callback); |
| 3751 | }); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 3752 | } |
| 3753 | |
| 3754 | if (changingPkg != null) { |
| 3755 | // Only replace for packages on requested volume |
| 3756 | final String volumeUuid = getVolumeUuidForPackage(changingPkg); |
| 3757 | final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) |
| 3758 | && Objects.equals(replaceVolumeUuid, volumeUuid); |
Philip P. Moltmann | e0f00ea | 2018-10-30 10:43:15 -0700 | [diff] [blame] | 3759 | restorePermissionState(changingPkg, replace, changingPkgName, callback); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 3760 | } |
| 3761 | Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); |
| 3762 | } |
| 3763 | |
Philip P. Moltmann | dc65aa3 | 2019-03-28 12:02:45 -0700 | [diff] [blame] | 3764 | /** |
| 3765 | * Update which app declares a permission. |
| 3766 | * |
| 3767 | * <p>Possible parameter combinations |
| 3768 | * <table> |
| 3769 | * <tr><th></th><th>packageName != null</th><th>packageName == null</th></tr> |
| 3770 | * <tr><th>pkg != null</th><td>package is updated</td><td>invalid</td></tr> |
| 3771 | * <tr><th>pkg == null</th><td>package is deleted</td><td>all packages are updated</td></tr> |
| 3772 | * </table> |
| 3773 | * |
| 3774 | * @param packageName The package that is updated, or {@code null} if all packages should be |
| 3775 | * updated |
| 3776 | * @param pkg The package that is updated, or {@code null} if all packages should be updated or |
| 3777 | * package is deleted |
| 3778 | * |
| 3779 | * @return {@code true} if a permission source package might have changed |
| 3780 | */ |
| 3781 | private boolean updatePermissionSourcePackage(@Nullable String packageName, |
| 3782 | @Nullable PackageParser.Package pkg) { |
| 3783 | boolean changed = false; |
| 3784 | |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 3785 | Set<BasePermission> needsUpdate = null; |
| 3786 | synchronized (mLock) { |
| 3787 | final Iterator<BasePermission> it = mSettings.mPermissions.values().iterator(); |
| 3788 | while (it.hasNext()) { |
| 3789 | final BasePermission bp = it.next(); |
| 3790 | if (bp.isDynamic()) { |
| 3791 | bp.updateDynamicPermission(mSettings.mPermissionTrees.values()); |
| 3792 | } |
| 3793 | if (bp.getSourcePackageSetting() != null) { |
| 3794 | if (packageName != null && packageName.equals(bp.getSourcePackageName()) |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 3795 | && (pkg == null || !hasPermission(pkg, bp.getName()))) { |
Philip P. Moltmann | dc65aa3 | 2019-03-28 12:02:45 -0700 | [diff] [blame] | 3796 | Slog.i(TAG, "Removing permission " + bp.getName() |
| 3797 | + " that used to be declared by " + bp.getSourcePackageName()); |
| 3798 | changed = true; |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 3799 | it.remove(); |
| 3800 | } |
| 3801 | continue; |
| 3802 | } |
| 3803 | if (needsUpdate == null) { |
| 3804 | needsUpdate = new ArraySet<>(mSettings.mPermissions.size()); |
| 3805 | } |
| 3806 | needsUpdate.add(bp); |
| 3807 | } |
| 3808 | } |
| 3809 | if (needsUpdate != null) { |
| 3810 | for (final BasePermission bp : needsUpdate) { |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 3811 | final PackageParser.Package sourcePkg = |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 3812 | mPackageManagerInt.getPackage(bp.getSourcePackageName()); |
| 3813 | synchronized (mLock) { |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 3814 | if (sourcePkg != null && sourcePkg.mExtras != null) { |
| 3815 | final PackageSetting sourcePs = (PackageSetting) sourcePkg.mExtras; |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 3816 | if (bp.getSourcePackageSetting() == null) { |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 3817 | bp.setSourcePackageSetting(sourcePs); |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 3818 | } |
| 3819 | continue; |
| 3820 | } |
| 3821 | Slog.w(TAG, "Removing dangling permission: " + bp.getName() |
| 3822 | + " from package " + bp.getSourcePackageName()); |
| 3823 | mSettings.removePermissionLocked(bp.getName()); |
| 3824 | } |
| 3825 | } |
| 3826 | } |
Philip P. Moltmann | dc65aa3 | 2019-03-28 12:02:45 -0700 | [diff] [blame] | 3827 | return changed; |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 3828 | } |
| 3829 | |
Philip P. Moltmann | dc65aa3 | 2019-03-28 12:02:45 -0700 | [diff] [blame] | 3830 | /** |
| 3831 | * Update which app owns a permission trees. |
| 3832 | * |
| 3833 | * <p>Possible parameter combinations |
| 3834 | * <table> |
| 3835 | * <tr><th></th><th>packageName != null</th><th>packageName == null</th></tr> |
| 3836 | * <tr><th>pkg != null</th><td>package is updated</td><td>invalid</td></tr> |
| 3837 | * <tr><th>pkg == null</th><td>package is deleted</td><td>all packages are updated</td></tr> |
| 3838 | * </table> |
| 3839 | * |
| 3840 | * @param packageName The package that is updated, or {@code null} if all packages should be |
| 3841 | * updated |
| 3842 | * @param pkg The package that is updated, or {@code null} if all packages should be updated or |
| 3843 | * package is deleted |
| 3844 | * |
| 3845 | * @return {@code true} if a permission tree ownership might have changed |
| 3846 | */ |
| 3847 | private boolean updatePermissionTreeSourcePackage(@Nullable String packageName, |
| 3848 | @Nullable PackageParser.Package pkg) { |
| 3849 | boolean changed = false; |
| 3850 | |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 3851 | Set<BasePermission> needsUpdate = null; |
| 3852 | synchronized (mLock) { |
| 3853 | final Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); |
| 3854 | while (it.hasNext()) { |
| 3855 | final BasePermission bp = it.next(); |
| 3856 | if (bp.getSourcePackageSetting() != null) { |
| 3857 | if (packageName != null && packageName.equals(bp.getSourcePackageName()) |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 3858 | && (pkg == null || !hasPermission(pkg, bp.getName()))) { |
Philip P. Moltmann | dc65aa3 | 2019-03-28 12:02:45 -0700 | [diff] [blame] | 3859 | Slog.i(TAG, "Removing permission tree " + bp.getName() |
| 3860 | + " that used to be declared by " + bp.getSourcePackageName()); |
| 3861 | changed = true; |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 3862 | it.remove(); |
| 3863 | } |
| 3864 | continue; |
| 3865 | } |
| 3866 | if (needsUpdate == null) { |
| 3867 | needsUpdate = new ArraySet<>(mSettings.mPermissionTrees.size()); |
| 3868 | } |
| 3869 | needsUpdate.add(bp); |
| 3870 | } |
| 3871 | } |
| 3872 | if (needsUpdate != null) { |
| 3873 | for (final BasePermission bp : needsUpdate) { |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 3874 | final PackageParser.Package sourcePkg = |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 3875 | mPackageManagerInt.getPackage(bp.getSourcePackageName()); |
| 3876 | synchronized (mLock) { |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 3877 | if (sourcePkg != null && sourcePkg.mExtras != null) { |
| 3878 | final PackageSetting sourcePs = (PackageSetting) sourcePkg.mExtras; |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 3879 | if (bp.getSourcePackageSetting() == null) { |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 3880 | bp.setSourcePackageSetting(sourcePs); |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 3881 | } |
| 3882 | continue; |
| 3883 | } |
| 3884 | Slog.w(TAG, "Removing dangling permission tree: " + bp.getName() |
| 3885 | + " from package " + bp.getSourcePackageName()); |
| 3886 | mSettings.removePermissionLocked(bp.getName()); |
| 3887 | } |
| 3888 | } |
| 3889 | } |
Philip P. Moltmann | dc65aa3 | 2019-03-28 12:02:45 -0700 | [diff] [blame] | 3890 | return changed; |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 3891 | } |
| 3892 | |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 3893 | private void enforceGrantRevokeRuntimePermissionPermissions(String message) { |
| 3894 | if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) |
| 3895 | != PackageManager.PERMISSION_GRANTED |
| 3896 | && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) |
| 3897 | != PackageManager.PERMISSION_GRANTED) { |
| 3898 | throw new SecurityException(message + " requires " |
| 3899 | + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " |
| 3900 | + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); |
| 3901 | } |
| 3902 | } |
| 3903 | |
Philip P. Moltmann | fc202f7 | 2019-03-05 20:17:00 -0800 | [diff] [blame] | 3904 | private void enforceGrantRevokeGetRuntimePermissionPermissions(@NonNull String message) { |
| 3905 | if (mContext.checkCallingOrSelfPermission(Manifest.permission.GET_RUNTIME_PERMISSIONS) |
| 3906 | != PackageManager.PERMISSION_GRANTED |
| 3907 | && mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) |
| 3908 | != PackageManager.PERMISSION_GRANTED |
| 3909 | && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) |
| 3910 | != PackageManager.PERMISSION_GRANTED) { |
| 3911 | throw new SecurityException(message + " requires " |
| 3912 | + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " |
| 3913 | + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS + " or " |
| 3914 | + Manifest.permission.GET_RUNTIME_PERMISSIONS); |
| 3915 | } |
| 3916 | } |
| 3917 | |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 3918 | /** |
| 3919 | * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS |
| 3920 | * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. |
| 3921 | * @param checkShell whether to prevent shell from access if there's a debugging restriction |
| 3922 | * @param message the message to log on security exception |
| 3923 | */ |
| 3924 | private void enforceCrossUserPermission(int callingUid, int userId, |
Todd Kennedy | ef9acb6 | 2018-05-29 15:18:06 -0700 | [diff] [blame] | 3925 | boolean requireFullPermission, boolean checkShell, |
| 3926 | boolean requirePermissionWhenSameUser, String message) { |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 3927 | if (userId < 0) { |
| 3928 | throw new IllegalArgumentException("Invalid userId " + userId); |
| 3929 | } |
| 3930 | if (checkShell) { |
Patrick Baumann | 2f2fd71 | 2019-07-31 15:18:53 -0700 | [diff] [blame^] | 3931 | PackageManagerServiceUtils.enforceShellRestriction(mUserManagerInt, |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 3932 | UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); |
| 3933 | } |
Todd Kennedy | ef9acb6 | 2018-05-29 15:18:06 -0700 | [diff] [blame] | 3934 | if (!requirePermissionWhenSameUser && userId == UserHandle.getUserId(callingUid)) return; |
Suprabh Shukla | 151b21b | 2018-04-27 19:30:30 -0700 | [diff] [blame] | 3935 | if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 3936 | if (requireFullPermission) { |
| 3937 | mContext.enforceCallingOrSelfPermission( |
| 3938 | android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); |
| 3939 | } else { |
| 3940 | try { |
| 3941 | mContext.enforceCallingOrSelfPermission( |
| 3942 | android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); |
| 3943 | } catch (SecurityException se) { |
| 3944 | mContext.enforceCallingOrSelfPermission( |
| 3945 | android.Manifest.permission.INTERACT_ACROSS_USERS, message); |
| 3946 | } |
| 3947 | } |
| 3948 | } |
| 3949 | } |
| 3950 | |
Andreas Gampe | a71bee8 | 2018-07-20 12:55:36 -0700 | [diff] [blame] | 3951 | @GuardedBy({"mSettings.mLock", "mLock"}) |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 3952 | private int calculateCurrentPermissionFootprintLocked(BasePermission tree) { |
| 3953 | int size = 0; |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 3954 | for (BasePermission perm : mSettings.mPermissions.values()) { |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 3955 | size += tree.calculateFootprint(perm); |
| 3956 | } |
| 3957 | return size; |
| 3958 | } |
| 3959 | |
Andreas Gampe | a71bee8 | 2018-07-20 12:55:36 -0700 | [diff] [blame] | 3960 | @GuardedBy({"mSettings.mLock", "mLock"}) |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 3961 | private void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { |
| 3962 | // We calculate the max size of permissions defined by this uid and throw |
| 3963 | // if that plus the size of 'info' would exceed our stated maximum. |
| 3964 | if (tree.getUid() != Process.SYSTEM_UID) { |
| 3965 | final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); |
| 3966 | if (curTreeSize + info.calculateFootprint() > MAX_PERMISSION_TREE_FOOTPRINT) { |
| 3967 | throw new SecurityException("Permission tree size cap exceeded"); |
| 3968 | } |
| 3969 | } |
| 3970 | } |
| 3971 | |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 3972 | private void systemReady() { |
| 3973 | mSystemReady = true; |
| 3974 | if (mPrivappPermissionsViolations != null) { |
| 3975 | throw new IllegalStateException("Signature|privileged permissions not in " |
| 3976 | + "privapp-permissions whitelist: " + mPrivappPermissionsViolations); |
| 3977 | } |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 3978 | |
| 3979 | mPermissionControllerManager = mContext.getSystemService(PermissionControllerManager.class); |
Svet Ganov | 3c499ea | 2019-07-26 17:45:56 -0700 | [diff] [blame] | 3980 | mPermissionPolicyInternal = LocalServices.getService(PermissionPolicyInternal.class); |
Todd Kennedy | 583378d | 2019-07-12 06:50:30 -0700 | [diff] [blame] | 3981 | |
| 3982 | int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; |
| 3983 | for (int userId : UserManagerService.getInstance().getUserIds()) { |
| 3984 | if (!mPackageManagerInt.areDefaultRuntimePermissionsGranted(userId)) { |
| 3985 | grantPermissionsUserIds = ArrayUtils.appendInt( |
| 3986 | grantPermissionsUserIds, userId); |
| 3987 | } |
| 3988 | } |
| 3989 | // If we upgraded grant all default permissions before kicking off. |
| 3990 | for (int userId : grantPermissionsUserIds) { |
| 3991 | mDefaultPermissionGrantPolicy.grantDefaultPermissions(userId); |
| 3992 | } |
| 3993 | if (grantPermissionsUserIds == EMPTY_INT_ARRAY) { |
| 3994 | // If we did not grant default permissions, we preload from this the |
| 3995 | // default permission exceptions lazily to ensure we don't hit the |
| 3996 | // disk on a new user creation. |
| 3997 | mDefaultPermissionGrantPolicy.scheduleReadDefaultPermissionExceptions(); |
| 3998 | } |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 3999 | } |
| 4000 | |
| 4001 | private static String getVolumeUuidForPackage(PackageParser.Package pkg) { |
| 4002 | if (pkg == null) { |
| 4003 | return StorageManager.UUID_PRIVATE_INTERNAL; |
| 4004 | } |
| 4005 | if (pkg.isExternal()) { |
| 4006 | if (TextUtils.isEmpty(pkg.volumeUuid)) { |
| 4007 | return StorageManager.UUID_PRIMARY_PHYSICAL; |
| 4008 | } else { |
| 4009 | return pkg.volumeUuid; |
| 4010 | } |
| 4011 | } else { |
| 4012 | return StorageManager.UUID_PRIVATE_INTERNAL; |
| 4013 | } |
| 4014 | } |
| 4015 | |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 4016 | private static boolean hasPermission(PackageParser.Package pkgInfo, String permName) { |
| 4017 | for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { |
| 4018 | if (pkgInfo.permissions.get(i).info.name.equals(permName)) { |
| 4019 | return true; |
| 4020 | } |
| 4021 | } |
| 4022 | return false; |
| 4023 | } |
| 4024 | |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 4025 | /** |
Philip P. Moltmann | 8cff8b9 | 2017-10-25 14:32:41 -0700 | [diff] [blame] | 4026 | * Log that a permission request was granted/revoked. |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 4027 | * |
Philip P. Moltmann | 8cff8b9 | 2017-10-25 14:32:41 -0700 | [diff] [blame] | 4028 | * @param action the action performed |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 4029 | * @param name name of the permission |
Philip P. Moltmann | 8cff8b9 | 2017-10-25 14:32:41 -0700 | [diff] [blame] | 4030 | * @param packageName package permission is for |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 4031 | */ |
Philip P. Moltmann | 8cff8b9 | 2017-10-25 14:32:41 -0700 | [diff] [blame] | 4032 | private void logPermission(int action, @NonNull String name, @NonNull String packageName) { |
| 4033 | final LogMaker log = new LogMaker(action); |
| 4034 | log.setPackageName(packageName); |
| 4035 | log.addTaggedData(MetricsEvent.FIELD_PERMISSION, name); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 4036 | |
Philip P. Moltmann | 8cff8b9 | 2017-10-25 14:32:41 -0700 | [diff] [blame] | 4037 | mMetricsLogger.write(log); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 4038 | } |
| 4039 | |
Philip P. Moltmann | e1b277a | 2018-11-01 16:22:50 -0700 | [diff] [blame] | 4040 | /** |
| 4041 | * Get the mapping of background permissions to their foreground permissions. |
| 4042 | * |
| 4043 | * <p>Only initialized in the system server. |
| 4044 | * |
| 4045 | * @return the map <bg permission -> list<fg perm>> |
| 4046 | */ |
| 4047 | public @Nullable ArrayMap<String, List<String>> getBackgroundPermissions() { |
| 4048 | return mBackgroundPermissions; |
| 4049 | } |
| 4050 | |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 4051 | private class PermissionManagerServiceInternalImpl extends PermissionManagerServiceInternal { |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 4052 | @Override |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 4053 | public void systemReady() { |
| 4054 | PermissionManagerService.this.systemReady(); |
| 4055 | } |
| 4056 | @Override |
Philip P. Moltmann | c91ff6f | 2019-06-14 14:35:42 -0700 | [diff] [blame] | 4057 | public boolean isPermissionsReviewRequired(@NonNull Package pkg, @UserIdInt int userId) { |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 4058 | return PermissionManagerService.this.isPermissionsReviewRequired(pkg, userId); |
| 4059 | } |
| 4060 | @Override |
Philip P. Moltmann | fae8a528 | 2018-04-10 12:15:32 -0700 | [diff] [blame] | 4061 | public void revokeRuntimePermissionsIfGroupChanged( |
| 4062 | @NonNull PackageParser.Package newPackage, |
| 4063 | @NonNull PackageParser.Package oldPackage, |
Todd Kennedy | c971a45 | 2019-07-08 16:04:52 -0700 | [diff] [blame] | 4064 | @NonNull ArrayList<String> allPackageNames) { |
Philip P. Moltmann | fae8a528 | 2018-04-10 12:15:32 -0700 | [diff] [blame] | 4065 | PermissionManagerService.this.revokeRuntimePermissionsIfGroupChanged(newPackage, |
Todd Kennedy | c971a45 | 2019-07-08 16:04:52 -0700 | [diff] [blame] | 4066 | oldPackage, allPackageNames, mDefaultPermissionCallback); |
Philip P. Moltmann | fae8a528 | 2018-04-10 12:15:32 -0700 | [diff] [blame] | 4067 | } |
| 4068 | @Override |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 4069 | public void addAllPermissions(Package pkg, boolean chatty) { |
| 4070 | PermissionManagerService.this.addAllPermissions(pkg, chatty); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 4071 | } |
| 4072 | @Override |
Todd Kennedy | 460f28c | 2017-10-06 13:46:22 -0700 | [diff] [blame] | 4073 | public void addAllPermissionGroups(Package pkg, boolean chatty) { |
| 4074 | PermissionManagerService.this.addAllPermissionGroups(pkg, chatty); |
| 4075 | } |
| 4076 | @Override |
Hongming Jin | ae750fb | 2018-09-27 23:00:20 +0000 | [diff] [blame] | 4077 | public void removeAllPermissions(Package pkg, boolean chatty) { |
| 4078 | PermissionManagerService.this.removeAllPermissions(pkg, chatty); |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 4079 | } |
| 4080 | @Override |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 4081 | public void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, |
Todd Kennedy | c971a45 | 2019-07-08 16:04:52 -0700 | [diff] [blame] | 4082 | String[] grantedPermissions, int callingUid) { |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 4083 | PermissionManagerService.this.grantRequestedRuntimePermissions( |
Todd Kennedy | c971a45 | 2019-07-08 16:04:52 -0700 | [diff] [blame] | 4084 | pkg, userIds, grantedPermissions, callingUid, mDefaultPermissionCallback); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 4085 | } |
| 4086 | @Override |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 4087 | public void setWhitelistedRestrictedPermissions(@NonNull PackageParser.Package pkg, |
| 4088 | @NonNull int[] userIds, @Nullable List<String> permissions, int callingUid, |
Todd Kennedy | c971a45 | 2019-07-08 16:04:52 -0700 | [diff] [blame] | 4089 | @PackageManager.PermissionWhitelistFlags int flags) { |
Todd Kennedy | 7e3dd3a | 2019-07-08 10:34:29 -0700 | [diff] [blame] | 4090 | for (int userId : userIds) { |
| 4091 | setWhitelistedRestrictedPermissionsForUser(pkg, userId, permissions, |
Todd Kennedy | c971a45 | 2019-07-08 16:04:52 -0700 | [diff] [blame] | 4092 | callingUid, flags, mDefaultPermissionCallback); |
Todd Kennedy | 7e3dd3a | 2019-07-08 10:34:29 -0700 | [diff] [blame] | 4093 | } |
| 4094 | } |
| 4095 | @Override |
| 4096 | public void setWhitelistedRestrictedPermissions(String packageName, |
| 4097 | List<String> permissions, int flags, int userId) { |
| 4098 | PermissionManagerService.this.setWhitelistedRestrictedPermissionsInternal( |
| 4099 | packageName, permissions, flags, userId); |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 4100 | } |
| 4101 | @Override |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 4102 | public void grantRuntimePermissionsGrantedToDisabledPackage(PackageParser.Package pkg, |
Todd Kennedy | c971a45 | 2019-07-08 16:04:52 -0700 | [diff] [blame] | 4103 | int callingUid) { |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 4104 | PermissionManagerService.this.grantRuntimePermissionsGrantedToDisabledPackageLocked( |
Todd Kennedy | c971a45 | 2019-07-08 16:04:52 -0700 | [diff] [blame] | 4105 | pkg, callingUid, mDefaultPermissionCallback); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 4106 | } |
| 4107 | @Override |
Todd Kennedy | c971a45 | 2019-07-08 16:04:52 -0700 | [diff] [blame] | 4108 | public void updatePermissions(@NonNull String packageName, @Nullable Package pkg) { |
| 4109 | PermissionManagerService.this |
| 4110 | .updatePermissions(packageName, pkg, mDefaultPermissionCallback); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 4111 | } |
| 4112 | @Override |
Todd Kennedy | c971a45 | 2019-07-08 16:04:52 -0700 | [diff] [blame] | 4113 | public void updateAllPermissions(@Nullable String volumeUuid, boolean sdkUpdated) { |
| 4114 | PermissionManagerService.this |
| 4115 | .updateAllPermissions(volumeUuid, sdkUpdated, mDefaultPermissionCallback); |
Todd Kennedy | c29b11a | 2017-10-23 15:55:59 -0700 | [diff] [blame] | 4116 | } |
| 4117 | @Override |
Todd Kennedy | c971a45 | 2019-07-08 16:04:52 -0700 | [diff] [blame] | 4118 | public void resetRuntimePermissions(Package pkg, int userId) { |
| 4119 | PermissionManagerService.this.resetRuntimePermissionsInternal(pkg, userId); |
| 4120 | } |
| 4121 | @Override |
| 4122 | public void resetAllRuntimePermissions(final int userId) { |
| 4123 | mPackageManagerInt.forEachPackage( |
| 4124 | (PackageParser.Package pkg) -> resetRuntimePermissionsInternal(pkg, userId)); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 4125 | } |
| 4126 | @Override |
Todd Kennedy | 8f13598 | 2019-07-02 07:35:15 -0700 | [diff] [blame] | 4127 | public String[] getAppOpPermissionPackages(String permName, int callingUid) { |
| 4128 | return PermissionManagerService.this |
| 4129 | .getAppOpPermissionPackagesInternal(permName, callingUid); |
Todd Kennedy | c842393 | 2017-10-05 08:58:36 -0700 | [diff] [blame] | 4130 | } |
| 4131 | @Override |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 4132 | public void enforceCrossUserPermission(int callingUid, int userId, |
| 4133 | boolean requireFullPermission, boolean checkShell, String message) { |
| 4134 | PermissionManagerService.this.enforceCrossUserPermission(callingUid, userId, |
Todd Kennedy | ef9acb6 | 2018-05-29 15:18:06 -0700 | [diff] [blame] | 4135 | requireFullPermission, checkShell, false, message); |
| 4136 | } |
| 4137 | @Override |
| 4138 | public void enforceCrossUserPermission(int callingUid, int userId, |
| 4139 | boolean requireFullPermission, boolean checkShell, |
| 4140 | boolean requirePermissionWhenSameUser, String message) { |
| 4141 | PermissionManagerService.this.enforceCrossUserPermission(callingUid, userId, |
| 4142 | requireFullPermission, checkShell, requirePermissionWhenSameUser, message); |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 4143 | } |
| 4144 | @Override |
| 4145 | public void enforceGrantRevokeRuntimePermissionPermissions(String message) { |
| 4146 | PermissionManagerService.this.enforceGrantRevokeRuntimePermissionPermissions(message); |
| 4147 | } |
| 4148 | @Override |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 4149 | public PermissionSettings getPermissionSettings() { |
| 4150 | return mSettings; |
| 4151 | } |
| 4152 | @Override |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 4153 | public BasePermission getPermissionTEMP(String permName) { |
| 4154 | synchronized (PermissionManagerService.this.mLock) { |
| 4155 | return mSettings.getPermissionLocked(permName); |
| 4156 | } |
| 4157 | } |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 4158 | |
| 4159 | @Override |
Philip P. Moltmann | fad1a8f | 2019-06-14 09:02:24 -0700 | [diff] [blame] | 4160 | public @NonNull ArrayList<PermissionInfo> getAllPermissionWithProtectionLevel( |
| 4161 | @PermissionInfo.Protection int protectionLevel) { |
| 4162 | ArrayList<PermissionInfo> matchingPermissions = new ArrayList<>(); |
| 4163 | |
| 4164 | synchronized (PermissionManagerService.this.mLock) { |
| 4165 | int numTotalPermissions = mSettings.mPermissions.size(); |
| 4166 | |
| 4167 | for (int i = 0; i < numTotalPermissions; i++) { |
| 4168 | BasePermission bp = mSettings.mPermissions.valueAt(i); |
| 4169 | |
| 4170 | if (bp.perm != null && bp.perm.info != null |
| 4171 | && bp.protectionLevel == protectionLevel) { |
| 4172 | matchingPermissions.add(bp.perm.info); |
| 4173 | } |
| 4174 | } |
| 4175 | } |
| 4176 | |
| 4177 | return matchingPermissions; |
| 4178 | } |
| 4179 | |
| 4180 | @Override |
Philip P. Moltmann | 4845667 | 2019-01-20 13:14:03 -0800 | [diff] [blame] | 4181 | public @Nullable byte[] backupRuntimePermissions(@NonNull UserHandle user) { |
| 4182 | return PermissionManagerService.this.backupRuntimePermissions(user); |
| 4183 | } |
| 4184 | |
| 4185 | @Override |
| 4186 | public void restoreRuntimePermissions(@NonNull byte[] backup, @NonNull UserHandle user) { |
| 4187 | PermissionManagerService.this.restoreRuntimePermissions(backup, user); |
| 4188 | } |
| 4189 | |
| 4190 | @Override |
| 4191 | public void restoreDelayedRuntimePermissions(@NonNull String packageName, |
| 4192 | @NonNull UserHandle user) { |
| 4193 | PermissionManagerService.this.restoreDelayedRuntimePermissions(packageName, user); |
| 4194 | } |
Svet Ganov | d8eb8b2 | 2019-04-05 18:52:08 -0700 | [diff] [blame] | 4195 | |
| 4196 | @Override |
| 4197 | public void addOnRuntimePermissionStateChangedListener( |
| 4198 | OnRuntimePermissionStateChangedListener listener) { |
| 4199 | PermissionManagerService.this.addOnRuntimePermissionStateChangedListener( |
| 4200 | listener); |
| 4201 | } |
| 4202 | |
| 4203 | @Override |
| 4204 | public void removeOnRuntimePermissionStateChangedListener( |
| 4205 | OnRuntimePermissionStateChangedListener listener) { |
| 4206 | PermissionManagerService.this.removeOnRuntimePermissionStateChangedListener( |
| 4207 | listener); |
| 4208 | } |
Todd Kennedy | ca1ea17 | 2019-07-03 15:02:28 -0700 | [diff] [blame] | 4209 | |
| 4210 | @Override |
| 4211 | public CheckPermissionDelegate getCheckPermissionDelegate() { |
| 4212 | synchronized (mLock) { |
| 4213 | return mCheckPermissionDelegate; |
| 4214 | } |
| 4215 | } |
| 4216 | |
| 4217 | @Override |
| 4218 | public void setCheckPermissionDelegate(CheckPermissionDelegate delegate) { |
| 4219 | synchronized (mLock) { |
| 4220 | mCheckPermissionDelegate = delegate; |
| 4221 | } |
| 4222 | } |
Todd Kennedy | 583378d | 2019-07-12 06:50:30 -0700 | [diff] [blame] | 4223 | |
Todd Kennedy | 7e3dd3a | 2019-07-08 10:34:29 -0700 | [diff] [blame] | 4224 | @Override |
Todd Kennedy | 583378d | 2019-07-12 06:50:30 -0700 | [diff] [blame] | 4225 | public void setDefaultBrowserProvider(@NonNull DefaultBrowserProvider provider) { |
| 4226 | synchronized (mLock) { |
| 4227 | mDefaultBrowserProvider = provider; |
| 4228 | } |
| 4229 | } |
| 4230 | |
| 4231 | @Override |
| 4232 | public void setDefaultBrowser(String packageName, boolean async, boolean doGrant, |
| 4233 | int userId) { |
| 4234 | setDefaultBrowserInternal(packageName, async, doGrant, userId); |
| 4235 | } |
| 4236 | |
| 4237 | @Override |
| 4238 | public void setDefaultDialerProvider(@NonNull DefaultDialerProvider provider) { |
| 4239 | synchronized (mLock) { |
| 4240 | mDefaultDialerProvider = provider; |
| 4241 | } |
| 4242 | } |
| 4243 | |
| 4244 | @Override |
| 4245 | public void setDefaultHomeProvider(@NonNull DefaultHomeProvider provider) { |
| 4246 | synchronized (mLock) { |
| 4247 | mDefaultHomeProvider = provider; |
| 4248 | } |
| 4249 | } |
| 4250 | |
| 4251 | @Override |
| 4252 | public void setDefaultHome(String packageName, int userId, Consumer<Boolean> callback) { |
| 4253 | synchronized (mLock) { |
| 4254 | if (userId == UserHandle.USER_ALL) { |
| 4255 | return; |
| 4256 | } |
| 4257 | if (mDefaultHomeProvider == null) { |
| 4258 | return; |
| 4259 | } |
| 4260 | mDefaultHomeProvider.setDefaultHomeAsync(packageName, userId, callback); |
| 4261 | } |
| 4262 | } |
| 4263 | |
| 4264 | @Override |
| 4265 | public void setDialerAppPackagesProvider(PackagesProvider provider) { |
| 4266 | synchronized (mLock) { |
| 4267 | mDefaultPermissionGrantPolicy.setDialerAppPackagesProvider(provider); |
| 4268 | } |
| 4269 | } |
| 4270 | |
| 4271 | @Override |
| 4272 | public void setLocationExtraPackagesProvider(PackagesProvider provider) { |
| 4273 | synchronized (mLock) { |
| 4274 | mDefaultPermissionGrantPolicy.setLocationExtraPackagesProvider(provider); |
| 4275 | } |
| 4276 | } |
| 4277 | |
| 4278 | @Override |
| 4279 | public void setLocationPackagesProvider(PackagesProvider provider) { |
| 4280 | synchronized (mLock) { |
| 4281 | mDefaultPermissionGrantPolicy.setLocationPackagesProvider(provider); |
| 4282 | } |
| 4283 | } |
| 4284 | |
| 4285 | @Override |
| 4286 | public void setSimCallManagerPackagesProvider(PackagesProvider provider) { |
| 4287 | synchronized (mLock) { |
| 4288 | mDefaultPermissionGrantPolicy.setSimCallManagerPackagesProvider(provider); |
| 4289 | } |
| 4290 | } |
| 4291 | |
| 4292 | @Override |
| 4293 | public void setSmsAppPackagesProvider(PackagesProvider provider) { |
| 4294 | synchronized (mLock) { |
| 4295 | mDefaultPermissionGrantPolicy.setSmsAppPackagesProvider(provider); |
| 4296 | } |
| 4297 | } |
| 4298 | |
| 4299 | @Override |
| 4300 | public void setSyncAdapterPackagesProvider(SyncAdapterPackagesProvider provider) { |
| 4301 | synchronized (mLock) { |
| 4302 | mDefaultPermissionGrantPolicy.setSyncAdapterPackagesProvider(provider); |
| 4303 | } |
| 4304 | } |
| 4305 | |
| 4306 | @Override |
| 4307 | public void setUseOpenWifiAppPackagesProvider(PackagesProvider provider) { |
| 4308 | synchronized (mLock) { |
| 4309 | mDefaultPermissionGrantPolicy.setUseOpenWifiAppPackagesProvider(provider); |
| 4310 | } |
| 4311 | } |
| 4312 | |
| 4313 | @Override |
| 4314 | public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { |
| 4315 | synchronized (mLock) { |
| 4316 | mDefaultPermissionGrantPolicy.setVoiceInteractionPackagesProvider(provider); |
| 4317 | } |
| 4318 | } |
| 4319 | |
| 4320 | @Override |
| 4321 | public String getDefaultBrowser(int userId) { |
| 4322 | synchronized (mLock) { |
| 4323 | return mDefaultBrowserProvider == null |
| 4324 | ? null : mDefaultBrowserProvider.getDefaultBrowser(userId); |
| 4325 | } |
| 4326 | } |
| 4327 | |
| 4328 | @Override |
| 4329 | public String getDefaultDialer(int userId) { |
| 4330 | synchronized (mLock) { |
| 4331 | return mDefaultDialerProvider == null |
| 4332 | ? null : mDefaultDialerProvider.getDefaultDialer(userId); |
| 4333 | } |
| 4334 | } |
| 4335 | |
| 4336 | @Override |
| 4337 | public String getDefaultHome(int userId) { |
| 4338 | synchronized (mLock) { |
| 4339 | return mDefaultHomeProvider == null |
| 4340 | ? null : mDefaultHomeProvider.getDefaultHome(userId); |
| 4341 | } |
| 4342 | } |
| 4343 | |
| 4344 | @Override |
| 4345 | public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { |
| 4346 | synchronized (mLock) { |
| 4347 | mDefaultPermissionGrantPolicy |
| 4348 | .grantDefaultPermissionsToDefaultSimCallManager(packageName, userId); |
| 4349 | } |
| 4350 | } |
| 4351 | |
| 4352 | @Override |
| 4353 | public void grantDefaultPermissionsToDefaultUseOpenWifiApp(String packageName, int userId) { |
| 4354 | synchronized (mLock) { |
| 4355 | mDefaultPermissionGrantPolicy |
| 4356 | .grantDefaultPermissionsToDefaultUseOpenWifiApp(packageName, userId); |
| 4357 | } |
| 4358 | } |
| 4359 | |
| 4360 | @Override |
| 4361 | public void grantDefaultPermissionsToDefaultBrowser(String packageName, int userId) { |
| 4362 | synchronized (mLock) { |
| 4363 | mDefaultPermissionGrantPolicy |
| 4364 | .grantDefaultPermissionsToDefaultBrowser(packageName, userId); |
| 4365 | } |
| 4366 | } |
| 4367 | |
| 4368 | @Override |
| 4369 | public boolean wereDefaultPermissionsGrantedSinceBoot(int userId) { |
| 4370 | synchronized (mLock) { |
| 4371 | return mDefaultPermissionGrantPolicy.wereDefaultPermissionsGrantedSinceBoot(userId); |
| 4372 | } |
| 4373 | } |
| 4374 | |
| 4375 | @Override |
| 4376 | public void onNewUserCreated(int userId) { |
| 4377 | synchronized (mLock) { |
| 4378 | mDefaultPermissionGrantPolicy.grantDefaultPermissions(userId); |
| 4379 | // NOTE: This adds UPDATE_PERMISSIONS_REPLACE_PKG |
| 4380 | PermissionManagerService.this.updateAllPermissions( |
| 4381 | StorageManager.UUID_PRIVATE_INTERNAL, true, mDefaultPermissionCallback); |
| 4382 | } |
Todd Kennedy | 7e3dd3a | 2019-07-08 10:34:29 -0700 | [diff] [blame] | 4383 | } |
| 4384 | } |
| 4385 | |
| 4386 | private static final class OnPermissionChangeListeners extends Handler { |
| 4387 | private static final int MSG_ON_PERMISSIONS_CHANGED = 1; |
| 4388 | |
| 4389 | private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = |
| 4390 | new RemoteCallbackList<>(); |
| 4391 | |
| 4392 | OnPermissionChangeListeners(Looper looper) { |
| 4393 | super(looper); |
| 4394 | } |
| 4395 | |
| 4396 | @Override |
| 4397 | public void handleMessage(Message msg) { |
| 4398 | switch (msg.what) { |
| 4399 | case MSG_ON_PERMISSIONS_CHANGED: { |
| 4400 | final int uid = msg.arg1; |
| 4401 | handleOnPermissionsChanged(uid); |
| 4402 | } break; |
| 4403 | } |
| 4404 | } |
| 4405 | |
| 4406 | public void addListenerLocked(IOnPermissionsChangeListener listener) { |
| 4407 | mPermissionListeners.register(listener); |
| 4408 | |
| 4409 | } |
| 4410 | |
| 4411 | public void removeListenerLocked(IOnPermissionsChangeListener listener) { |
| 4412 | mPermissionListeners.unregister(listener); |
| 4413 | } |
| 4414 | |
| 4415 | public void onPermissionsChanged(int uid) { |
| 4416 | if (mPermissionListeners.getRegisteredCallbackCount() > 0) { |
| 4417 | obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); |
| 4418 | } |
| 4419 | } |
| 4420 | |
| 4421 | private void handleOnPermissionsChanged(int uid) { |
| 4422 | final int count = mPermissionListeners.beginBroadcast(); |
| 4423 | try { |
| 4424 | for (int i = 0; i < count; i++) { |
| 4425 | IOnPermissionsChangeListener callback = mPermissionListeners |
| 4426 | .getBroadcastItem(i); |
| 4427 | try { |
| 4428 | callback.onPermissionsChanged(uid); |
| 4429 | } catch (RemoteException e) { |
| 4430 | Log.e(TAG, "Permission listener is dead", e); |
| 4431 | } |
| 4432 | } |
| 4433 | } finally { |
| 4434 | mPermissionListeners.finishBroadcast(); |
| 4435 | } |
| 4436 | } |
Todd Kennedy | 0eb9738 | 2017-10-03 16:57:22 -0700 | [diff] [blame] | 4437 | } |
| 4438 | } |