Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2014 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License |
| 15 | */ |
| 16 | |
| 17 | package com.android.server.trust; |
| 18 | |
Adrian Roos | bcd0765 | 2014-10-22 16:57:16 +0200 | [diff] [blame] | 19 | import com.android.internal.annotations.GuardedBy; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 20 | import com.android.internal.content.PackageMonitor; |
| 21 | import com.android.internal.widget.LockPatternUtils; |
Adrian Roos | b5e4722 | 2015-08-14 15:53:06 -0700 | [diff] [blame] | 22 | import com.android.internal.widget.LockPatternUtils.StrongAuthTracker; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 23 | import com.android.server.SystemService; |
| 24 | |
| 25 | import org.xmlpull.v1.XmlPullParser; |
| 26 | import org.xmlpull.v1.XmlPullParserException; |
| 27 | |
| 28 | import android.Manifest; |
Adrian Roos | bcd0765 | 2014-10-22 16:57:16 +0200 | [diff] [blame] | 29 | import android.app.ActivityManager; |
Adrian Roos | ca36b95 | 2014-05-16 18:52:29 +0200 | [diff] [blame] | 30 | import android.app.admin.DevicePolicyManager; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 31 | import android.app.trust.ITrustListener; |
| 32 | import android.app.trust.ITrustManager; |
Adrian Roos | ca36b95 | 2014-05-16 18:52:29 +0200 | [diff] [blame] | 33 | import android.content.BroadcastReceiver; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 34 | import android.content.ComponentName; |
| 35 | import android.content.Context; |
| 36 | import android.content.Intent; |
Adrian Roos | ca36b95 | 2014-05-16 18:52:29 +0200 | [diff] [blame] | 37 | import android.content.IntentFilter; |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 38 | import android.content.pm.ApplicationInfo; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 39 | import android.content.pm.PackageManager; |
| 40 | import android.content.pm.ResolveInfo; |
| 41 | import android.content.pm.UserInfo; |
| 42 | import android.content.res.Resources; |
| 43 | import android.content.res.TypedArray; |
| 44 | import android.content.res.XmlResourceParser; |
| 45 | import android.graphics.drawable.Drawable; |
Adrian Roos | bcd0765 | 2014-10-22 16:57:16 +0200 | [diff] [blame] | 46 | import android.os.Binder; |
Adrian Roos | a4ba56b | 2014-05-20 12:56:25 +0200 | [diff] [blame] | 47 | import android.os.DeadObjectException; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 48 | import android.os.Handler; |
| 49 | import android.os.IBinder; |
| 50 | import android.os.Message; |
Jim Miller | e303bf4 | 2014-08-26 17:12:29 -0700 | [diff] [blame] | 51 | import android.os.PersistableBundle; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 52 | import android.os.RemoteException; |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 53 | import android.os.SystemClock; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 54 | import android.os.UserHandle; |
| 55 | import android.os.UserManager; |
Clara Bayarri | 56878a9 | 2015-10-29 15:43:55 +0000 | [diff] [blame^] | 56 | import android.os.storage.StorageManager; |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 57 | import android.provider.Settings; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 58 | import android.service.trust.TrustAgentService; |
| 59 | import android.util.ArraySet; |
| 60 | import android.util.AttributeSet; |
Adrian Roos | 18ea893 | 2014-05-28 14:53:06 +0200 | [diff] [blame] | 61 | import android.util.Log; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 62 | import android.util.Slog; |
Adrian Roos | 7046bfd | 2014-05-16 21:20:54 +0200 | [diff] [blame] | 63 | import android.util.SparseBooleanArray; |
Adrian Roos | b5e4722 | 2015-08-14 15:53:06 -0700 | [diff] [blame] | 64 | import android.util.SparseIntArray; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 65 | import android.util.Xml; |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 66 | import android.view.IWindowManager; |
Adrian Roos | 50bfeec | 2014-11-20 16:21:11 +0100 | [diff] [blame] | 67 | import android.view.WindowManagerGlobal; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 68 | |
Adrian Roos | 7a4f3d4 | 2014-05-02 12:12:20 +0200 | [diff] [blame] | 69 | import java.io.FileDescriptor; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 70 | import java.io.IOException; |
Adrian Roos | 7a4f3d4 | 2014-05-02 12:12:20 +0200 | [diff] [blame] | 71 | import java.io.PrintWriter; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 72 | import java.util.ArrayList; |
| 73 | import java.util.List; |
| 74 | |
| 75 | /** |
| 76 | * Manages trust agents and trust listeners. |
| 77 | * |
| 78 | * It is responsible for binding to the enabled {@link android.service.trust.TrustAgentService}s |
| 79 | * of each user and notifies them about events that are relevant to them. |
| 80 | * It start and stops them based on the value of |
| 81 | * {@link com.android.internal.widget.LockPatternUtils#getEnabledTrustAgents(int)}. |
| 82 | * |
| 83 | * It also keeps a set of {@link android.app.trust.ITrustListener}s that are notified whenever the |
| 84 | * trust state changes for any user. |
| 85 | * |
| 86 | * Trust state and the setting of enabled agents is kept per user and each user has its own |
| 87 | * instance of a {@link android.service.trust.TrustAgentService}. |
| 88 | */ |
| 89 | public class TrustManagerService extends SystemService { |
| 90 | |
| 91 | private static final boolean DEBUG = false; |
| 92 | private static final String TAG = "TrustManagerService"; |
| 93 | |
| 94 | private static final Intent TRUST_AGENT_INTENT = |
| 95 | new Intent(TrustAgentService.SERVICE_INTERFACE); |
Adrian Roos | 18ea893 | 2014-05-28 14:53:06 +0200 | [diff] [blame] | 96 | private static final String PERMISSION_PROVIDE_AGENT = Manifest.permission.PROVIDE_TRUST_AGENT; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 97 | |
| 98 | private static final int MSG_REGISTER_LISTENER = 1; |
| 99 | private static final int MSG_UNREGISTER_LISTENER = 2; |
| 100 | private static final int MSG_DISPATCH_UNLOCK_ATTEMPT = 3; |
| 101 | private static final int MSG_ENABLED_AGENTS_CHANGED = 4; |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 102 | private static final int MSG_KEYGUARD_SHOWING_CHANGED = 6; |
| 103 | private static final int MSG_START_USER = 7; |
| 104 | private static final int MSG_CLEANUP_USER = 8; |
| 105 | private static final int MSG_SWITCH_USER = 9; |
Clara Bayarri | 56878a9 | 2015-10-29 15:43:55 +0000 | [diff] [blame^] | 106 | private static final int MSG_SET_DEVICE_LOCKED = 10; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 107 | |
Adrian Roos | b5e4722 | 2015-08-14 15:53:06 -0700 | [diff] [blame] | 108 | private final ArraySet<AgentInfo> mActiveAgents = new ArraySet<>(); |
| 109 | private final ArrayList<ITrustListener> mTrustListeners = new ArrayList<>(); |
Adrian Roos | 9dbe190 | 2014-08-13 18:25:52 +0200 | [diff] [blame] | 110 | private final Receiver mReceiver = new Receiver(); |
Adrian Roos | b5e4722 | 2015-08-14 15:53:06 -0700 | [diff] [blame] | 111 | |
Adrian Roos | 7a4f3d4 | 2014-05-02 12:12:20 +0200 | [diff] [blame] | 112 | /* package */ final TrustArchive mArchive = new TrustArchive(); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 113 | private final Context mContext; |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 114 | private final LockPatternUtils mLockPatternUtils; |
Adrian Roos | bcd0765 | 2014-10-22 16:57:16 +0200 | [diff] [blame] | 115 | private final UserManager mUserManager; |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 116 | private final ActivityManager mActivityManager; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 117 | |
Adrian Roos | bcd0765 | 2014-10-22 16:57:16 +0200 | [diff] [blame] | 118 | @GuardedBy("mUserIsTrusted") |
| 119 | private final SparseBooleanArray mUserIsTrusted = new SparseBooleanArray(); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 120 | |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 121 | @GuardedBy("mDeviceLockedForUser") |
| 122 | private final SparseBooleanArray mDeviceLockedForUser = new SparseBooleanArray(); |
| 123 | |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 124 | private boolean mTrustAgentsCanRun = false; |
Xiaohui Chen | 09e0291 | 2015-08-05 09:44:56 -0700 | [diff] [blame] | 125 | private int mCurrentUser = UserHandle.USER_SYSTEM; |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 126 | |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 127 | public TrustManagerService(Context context) { |
| 128 | super(context); |
| 129 | mContext = context; |
| 130 | mUserManager = (UserManager) mContext.getSystemService(Context.USER_SERVICE); |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 131 | mActivityManager = (ActivityManager) mContext.getSystemService(Context.ACTIVITY_SERVICE); |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 132 | mLockPatternUtils = new LockPatternUtils(context); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 133 | } |
| 134 | |
| 135 | @Override |
| 136 | public void onStart() { |
| 137 | publishBinderService(Context.TRUST_SERVICE, mService); |
| 138 | } |
| 139 | |
| 140 | @Override |
| 141 | public void onBootPhase(int phase) { |
Adrian Roos | 49d5345 | 2014-10-24 15:48:39 +0200 | [diff] [blame] | 142 | if (isSafeMode()) { |
| 143 | // No trust agents in safe mode. |
| 144 | return; |
| 145 | } |
| 146 | if (phase == SystemService.PHASE_SYSTEM_SERVICES_READY) { |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 147 | mPackageMonitor.register(mContext, mHandler.getLooper(), UserHandle.ALL, true); |
Adrian Roos | 9dbe190 | 2014-08-13 18:25:52 +0200 | [diff] [blame] | 148 | mReceiver.register(mContext); |
Adrian Roos | b5e4722 | 2015-08-14 15:53:06 -0700 | [diff] [blame] | 149 | mLockPatternUtils.registerStrongAuthTracker(mStrongAuthTracker); |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 150 | } else if (phase == SystemService.PHASE_THIRD_PARTY_APPS_CAN_START) { |
| 151 | mTrustAgentsCanRun = true; |
Marco Fucci | 4e68f11 | 2014-08-29 12:31:48 -0700 | [diff] [blame] | 152 | refreshAgentList(UserHandle.USER_ALL); |
Adrian Roos | 49d5345 | 2014-10-24 15:48:39 +0200 | [diff] [blame] | 153 | } else if (phase == SystemService.PHASE_BOOT_COMPLETED) { |
Xiaohui Chen | 09e0291 | 2015-08-05 09:44:56 -0700 | [diff] [blame] | 154 | maybeEnableFactoryTrustAgents(mLockPatternUtils, UserHandle.USER_SYSTEM); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 155 | } |
| 156 | } |
| 157 | |
| 158 | // Agent management |
| 159 | |
| 160 | private static final class AgentInfo { |
| 161 | CharSequence label; |
| 162 | Drawable icon; |
| 163 | ComponentName component; // service that implements ITrustAgent |
| 164 | ComponentName settings; // setting to launch to modify agent. |
| 165 | TrustAgentWrapper agent; |
| 166 | int userId; |
| 167 | |
| 168 | @Override |
| 169 | public boolean equals(Object other) { |
| 170 | if (!(other instanceof AgentInfo)) { |
| 171 | return false; |
| 172 | } |
| 173 | AgentInfo o = (AgentInfo) other; |
| 174 | return component.equals(o.component) && userId == o.userId; |
| 175 | } |
| 176 | |
| 177 | @Override |
| 178 | public int hashCode() { |
| 179 | return component.hashCode() * 31 + userId; |
| 180 | } |
| 181 | } |
| 182 | |
| 183 | private void updateTrustAll() { |
| 184 | List<UserInfo> userInfos = mUserManager.getUsers(true /* excludeDying */); |
| 185 | for (UserInfo userInfo : userInfos) { |
Adrian Roos | 94e15a5 | 2015-04-16 12:23:18 -0700 | [diff] [blame] | 186 | updateTrust(userInfo.id, 0); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 187 | } |
| 188 | } |
| 189 | |
Adrian Roos | 94e15a5 | 2015-04-16 12:23:18 -0700 | [diff] [blame] | 190 | public void updateTrust(int userId, int flags) { |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 191 | dispatchOnTrustManagedChanged(aggregateIsTrustManaged(userId), userId); |
Adrian Roos | bcd0765 | 2014-10-22 16:57:16 +0200 | [diff] [blame] | 192 | boolean trusted = aggregateIsTrusted(userId); |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 193 | boolean changed; |
Adrian Roos | bcd0765 | 2014-10-22 16:57:16 +0200 | [diff] [blame] | 194 | synchronized (mUserIsTrusted) { |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 195 | changed = mUserIsTrusted.get(userId) != trusted; |
Adrian Roos | bcd0765 | 2014-10-22 16:57:16 +0200 | [diff] [blame] | 196 | mUserIsTrusted.put(userId, trusted); |
| 197 | } |
Adrian Roos | 94e15a5 | 2015-04-16 12:23:18 -0700 | [diff] [blame] | 198 | dispatchOnTrustChanged(trusted, userId, flags); |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 199 | if (changed) { |
| 200 | refreshDeviceLockedForUser(userId); |
| 201 | } |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 202 | } |
| 203 | |
Marco Fucci | 4e68f11 | 2014-08-29 12:31:48 -0700 | [diff] [blame] | 204 | void refreshAgentList(int userId) { |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 205 | if (DEBUG) Slog.d(TAG, "refreshAgentList()"); |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 206 | if (!mTrustAgentsCanRun) { |
Adrian Roos | 49d5345 | 2014-10-24 15:48:39 +0200 | [diff] [blame] | 207 | return; |
| 208 | } |
Xiaohui Chen | 09e0291 | 2015-08-05 09:44:56 -0700 | [diff] [blame] | 209 | if (userId != UserHandle.USER_ALL && userId < UserHandle.USER_SYSTEM) { |
Adrian Roos | e681c27 | 2014-09-08 14:03:47 +0200 | [diff] [blame] | 210 | Log.e(TAG, "refreshAgentList(userId=" + userId + "): Invalid user handle," |
| 211 | + " must be USER_ALL or a specific user.", new Throwable("here")); |
| 212 | userId = UserHandle.USER_ALL; |
| 213 | } |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 214 | PackageManager pm = mContext.getPackageManager(); |
| 215 | |
Marco Fucci | 4e68f11 | 2014-08-29 12:31:48 -0700 | [diff] [blame] | 216 | List<UserInfo> userInfos; |
| 217 | if (userId == UserHandle.USER_ALL) { |
| 218 | userInfos = mUserManager.getUsers(true /* excludeDying */); |
| 219 | } else { |
| 220 | userInfos = new ArrayList<>(); |
| 221 | userInfos.add(mUserManager.getUserInfo(userId)); |
| 222 | } |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 223 | LockPatternUtils lockPatternUtils = mLockPatternUtils; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 224 | |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 225 | ArraySet<AgentInfo> obsoleteAgents = new ArraySet<>(); |
| 226 | obsoleteAgents.addAll(mActiveAgents); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 227 | |
| 228 | for (UserInfo userInfo : userInfos) { |
Adrian Roos | fc29e0b | 2014-11-11 12:55:44 +0100 | [diff] [blame] | 229 | if (userInfo == null || userInfo.partial || !userInfo.isEnabled() |
| 230 | || userInfo.guestToRemove) continue; |
Xiaohui Chen | 7cb69df | 2015-07-13 16:01:01 -0700 | [diff] [blame] | 231 | if (!userInfo.supportsSwitchToByUser()) continue; |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 232 | if (!mActivityManager.isUserRunning(userInfo.id)) continue; |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 233 | if (!lockPatternUtils.isSecure(userInfo.id)) continue; |
Adrian Roos | b5e4722 | 2015-08-14 15:53:06 -0700 | [diff] [blame] | 234 | if (!mStrongAuthTracker.isTrustAllowedForUser(userInfo.id)) continue; |
Adrian Roos | 8f21158 | 2014-07-29 15:09:57 +0200 | [diff] [blame] | 235 | DevicePolicyManager dpm = lockPatternUtils.getDevicePolicyManager(); |
| 236 | int disabledFeatures = dpm.getKeyguardDisabledFeatures(null, userInfo.id); |
Jim Miller | 604e755 | 2014-07-18 19:00:02 -0700 | [diff] [blame] | 237 | final boolean disableTrustAgents = |
Adrian Roos | ca36b95 | 2014-05-16 18:52:29 +0200 | [diff] [blame] | 238 | (disabledFeatures & DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS) != 0; |
| 239 | |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 240 | List<ComponentName> enabledAgents = lockPatternUtils.getEnabledTrustAgents(userInfo.id); |
Adrian Roos | 8f21158 | 2014-07-29 15:09:57 +0200 | [diff] [blame] | 241 | if (enabledAgents == null) { |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 242 | continue; |
| 243 | } |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 244 | List<ResolveInfo> resolveInfos = resolveAllowedTrustAgents(pm, userInfo.id); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 245 | for (ResolveInfo resolveInfo : resolveInfos) { |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 246 | ComponentName name = getComponentName(resolveInfo); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 247 | |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 248 | if (!enabledAgents.contains(name)) continue; |
Adrian Roos | 8f21158 | 2014-07-29 15:09:57 +0200 | [diff] [blame] | 249 | if (disableTrustAgents) { |
Jim Miller | e303bf4 | 2014-08-26 17:12:29 -0700 | [diff] [blame] | 250 | List<PersistableBundle> config = |
| 251 | dpm.getTrustAgentConfiguration(null /* admin */, name, userInfo.id); |
Adrian Roos | 8f21158 | 2014-07-29 15:09:57 +0200 | [diff] [blame] | 252 | // Disable agent if no features are enabled. |
Jim Miller | e303bf4 | 2014-08-26 17:12:29 -0700 | [diff] [blame] | 253 | if (config == null || config.isEmpty()) continue; |
Adrian Roos | 8f21158 | 2014-07-29 15:09:57 +0200 | [diff] [blame] | 254 | } |
| 255 | |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 256 | AgentInfo agentInfo = new AgentInfo(); |
| 257 | agentInfo.component = name; |
| 258 | agentInfo.userId = userInfo.id; |
| 259 | if (!mActiveAgents.contains(agentInfo)) { |
| 260 | agentInfo.label = resolveInfo.loadLabel(pm); |
| 261 | agentInfo.icon = resolveInfo.loadIcon(pm); |
| 262 | agentInfo.settings = getSettingsComponentName(pm, resolveInfo); |
| 263 | agentInfo.agent = new TrustAgentWrapper(mContext, this, |
| 264 | new Intent().setComponent(name), userInfo.getUserHandle()); |
| 265 | mActiveAgents.add(agentInfo); |
| 266 | } else { |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 267 | obsoleteAgents.remove(agentInfo); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 268 | } |
| 269 | } |
| 270 | } |
| 271 | |
| 272 | boolean trustMayHaveChanged = false; |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 273 | for (int i = 0; i < obsoleteAgents.size(); i++) { |
| 274 | AgentInfo info = obsoleteAgents.valueAt(i); |
Adrian Roos | e681c27 | 2014-09-08 14:03:47 +0200 | [diff] [blame] | 275 | if (userId == UserHandle.USER_ALL || userId == info.userId) { |
| 276 | if (info.agent.isManagingTrust()) { |
| 277 | trustMayHaveChanged = true; |
| 278 | } |
Adrian Roos | fc29e0b | 2014-11-11 12:55:44 +0100 | [diff] [blame] | 279 | info.agent.destroy(); |
Adrian Roos | e681c27 | 2014-09-08 14:03:47 +0200 | [diff] [blame] | 280 | mActiveAgents.remove(info); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 281 | } |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 282 | } |
| 283 | |
| 284 | if (trustMayHaveChanged) { |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 285 | if (userId == UserHandle.USER_ALL) { |
| 286 | updateTrustAll(); |
| 287 | } else { |
Adrian Roos | 94e15a5 | 2015-04-16 12:23:18 -0700 | [diff] [blame] | 288 | updateTrust(userId, 0); |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 289 | } |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 290 | } |
| 291 | } |
| 292 | |
Clara Bayarri | 56878a9 | 2015-10-29 15:43:55 +0000 | [diff] [blame^] | 293 | public void setDeviceLockedForUser(int userId, boolean locked) { |
| 294 | if (StorageManager.isFileBasedEncryptionEnabled()) { |
| 295 | UserInfo info = mUserManager.getUserInfo(userId); |
| 296 | if (info.isManagedProfile()) { |
| 297 | synchronized (mDeviceLockedForUser) { |
| 298 | mDeviceLockedForUser.put(userId, locked); |
| 299 | } |
| 300 | } else { |
| 301 | Log.wtf(TAG, "Requested to change lock state for non-profile user " + userId); |
| 302 | } |
| 303 | } |
| 304 | } |
| 305 | |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 306 | boolean isDeviceLockedInner(int userId) { |
| 307 | synchronized (mDeviceLockedForUser) { |
| 308 | return mDeviceLockedForUser.get(userId, true); |
| 309 | } |
| 310 | } |
| 311 | |
| 312 | private void refreshDeviceLockedForUser(int userId) { |
Xiaohui Chen | 09e0291 | 2015-08-05 09:44:56 -0700 | [diff] [blame] | 313 | if (userId != UserHandle.USER_ALL && userId < UserHandle.USER_SYSTEM) { |
Adrian Roos | 7e2e40e | 2014-11-21 15:27:12 +0100 | [diff] [blame] | 314 | Log.e(TAG, "refreshDeviceLockedForUser(userId=" + userId + "): Invalid user handle," |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 315 | + " must be USER_ALL or a specific user.", new Throwable("here")); |
| 316 | userId = UserHandle.USER_ALL; |
| 317 | } |
| 318 | |
| 319 | List<UserInfo> userInfos; |
| 320 | if (userId == UserHandle.USER_ALL) { |
| 321 | userInfos = mUserManager.getUsers(true /* excludeDying */); |
| 322 | } else { |
| 323 | userInfos = new ArrayList<>(); |
| 324 | userInfos.add(mUserManager.getUserInfo(userId)); |
| 325 | } |
| 326 | |
| 327 | IWindowManager wm = WindowManagerGlobal.getWindowManagerService(); |
| 328 | |
| 329 | for (int i = 0; i < userInfos.size(); i++) { |
| 330 | UserInfo info = userInfos.get(i); |
| 331 | |
| 332 | if (info == null || info.partial || !info.isEnabled() || info.guestToRemove |
Xiaohui Chen | 7cb69df | 2015-07-13 16:01:01 -0700 | [diff] [blame] | 333 | || !info.supportsSwitchToByUser()) { |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 334 | continue; |
| 335 | } |
| 336 | |
| 337 | int id = info.id; |
| 338 | boolean secure = mLockPatternUtils.isSecure(id); |
| 339 | boolean trusted = aggregateIsTrusted(id); |
| 340 | boolean showingKeyguard = true; |
| 341 | if (mCurrentUser == id) { |
| 342 | try { |
| 343 | showingKeyguard = wm.isKeyguardLocked(); |
| 344 | } catch (RemoteException e) { |
| 345 | } |
| 346 | } |
| 347 | boolean deviceLocked = secure && showingKeyguard && !trusted; |
| 348 | |
| 349 | boolean changed; |
| 350 | synchronized (mDeviceLockedForUser) { |
| 351 | changed = isDeviceLockedInner(id) != deviceLocked; |
| 352 | mDeviceLockedForUser.put(id, deviceLocked); |
| 353 | } |
| 354 | if (changed) { |
| 355 | dispatchDeviceLocked(id, deviceLocked); |
| 356 | } |
| 357 | } |
| 358 | } |
| 359 | |
| 360 | private void dispatchDeviceLocked(int userId, boolean isLocked) { |
| 361 | for (int i = 0; i < mActiveAgents.size(); i++) { |
| 362 | AgentInfo agent = mActiveAgents.valueAt(i); |
| 363 | if (agent.userId == userId) { |
| 364 | if (isLocked) { |
| 365 | agent.agent.onDeviceLocked(); |
| 366 | } else{ |
| 367 | agent.agent.onDeviceUnlocked(); |
| 368 | } |
| 369 | } |
| 370 | } |
| 371 | } |
| 372 | |
Marco Fucci | 4e68f11 | 2014-08-29 12:31:48 -0700 | [diff] [blame] | 373 | void updateDevicePolicyFeatures() { |
Adrian Roos | 8f21158 | 2014-07-29 15:09:57 +0200 | [diff] [blame] | 374 | for (int i = 0; i < mActiveAgents.size(); i++) { |
| 375 | AgentInfo info = mActiveAgents.valueAt(i); |
| 376 | if (info.agent.isConnected()) { |
| 377 | info.agent.updateDevicePolicyFeatures(); |
| 378 | } |
| 379 | } |
| 380 | } |
| 381 | |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 382 | private void removeAgentsOfPackage(String packageName) { |
| 383 | boolean trustMayHaveChanged = false; |
| 384 | for (int i = mActiveAgents.size() - 1; i >= 0; i--) { |
| 385 | AgentInfo info = mActiveAgents.valueAt(i); |
| 386 | if (packageName.equals(info.component.getPackageName())) { |
| 387 | Log.i(TAG, "Resetting agent " + info.component.flattenToShortString()); |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 388 | if (info.agent.isManagingTrust()) { |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 389 | trustMayHaveChanged = true; |
| 390 | } |
Adrian Roos | fc29e0b | 2014-11-11 12:55:44 +0100 | [diff] [blame] | 391 | info.agent.destroy(); |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 392 | mActiveAgents.removeAt(i); |
| 393 | } |
| 394 | } |
| 395 | if (trustMayHaveChanged) { |
| 396 | updateTrustAll(); |
| 397 | } |
| 398 | } |
| 399 | |
| 400 | public void resetAgent(ComponentName name, int userId) { |
| 401 | boolean trustMayHaveChanged = false; |
| 402 | for (int i = mActiveAgents.size() - 1; i >= 0; i--) { |
| 403 | AgentInfo info = mActiveAgents.valueAt(i); |
| 404 | if (name.equals(info.component) && userId == info.userId) { |
| 405 | Log.i(TAG, "Resetting agent " + info.component.flattenToShortString()); |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 406 | if (info.agent.isManagingTrust()) { |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 407 | trustMayHaveChanged = true; |
| 408 | } |
Adrian Roos | fc29e0b | 2014-11-11 12:55:44 +0100 | [diff] [blame] | 409 | info.agent.destroy(); |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 410 | mActiveAgents.removeAt(i); |
| 411 | } |
| 412 | } |
| 413 | if (trustMayHaveChanged) { |
Adrian Roos | 94e15a5 | 2015-04-16 12:23:18 -0700 | [diff] [blame] | 414 | updateTrust(userId, 0); |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 415 | } |
Marco Fucci | 4e68f11 | 2014-08-29 12:31:48 -0700 | [diff] [blame] | 416 | refreshAgentList(userId); |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 417 | } |
| 418 | |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 419 | private ComponentName getSettingsComponentName(PackageManager pm, ResolveInfo resolveInfo) { |
| 420 | if (resolveInfo == null || resolveInfo.serviceInfo == null |
| 421 | || resolveInfo.serviceInfo.metaData == null) return null; |
| 422 | String cn = null; |
| 423 | XmlResourceParser parser = null; |
| 424 | Exception caughtException = null; |
| 425 | try { |
| 426 | parser = resolveInfo.serviceInfo.loadXmlMetaData(pm, |
| 427 | TrustAgentService.TRUST_AGENT_META_DATA); |
| 428 | if (parser == null) { |
| 429 | Slog.w(TAG, "Can't find " + TrustAgentService.TRUST_AGENT_META_DATA + " meta-data"); |
| 430 | return null; |
| 431 | } |
| 432 | Resources res = pm.getResourcesForApplication(resolveInfo.serviceInfo.applicationInfo); |
| 433 | AttributeSet attrs = Xml.asAttributeSet(parser); |
| 434 | int type; |
| 435 | while ((type = parser.next()) != XmlPullParser.END_DOCUMENT |
| 436 | && type != XmlPullParser.START_TAG) { |
| 437 | // Drain preamble. |
| 438 | } |
| 439 | String nodeName = parser.getName(); |
Adrian Roos | 7e03dfc | 2014-05-16 16:06:28 +0200 | [diff] [blame] | 440 | if (!"trust-agent".equals(nodeName)) { |
| 441 | Slog.w(TAG, "Meta-data does not start with trust-agent tag"); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 442 | return null; |
| 443 | } |
| 444 | TypedArray sa = res |
| 445 | .obtainAttributes(attrs, com.android.internal.R.styleable.TrustAgent); |
| 446 | cn = sa.getString(com.android.internal.R.styleable.TrustAgent_settingsActivity); |
| 447 | sa.recycle(); |
| 448 | } catch (PackageManager.NameNotFoundException e) { |
| 449 | caughtException = e; |
| 450 | } catch (IOException e) { |
| 451 | caughtException = e; |
| 452 | } catch (XmlPullParserException e) { |
| 453 | caughtException = e; |
| 454 | } finally { |
| 455 | if (parser != null) parser.close(); |
| 456 | } |
| 457 | if (caughtException != null) { |
| 458 | Slog.w(TAG, "Error parsing : " + resolveInfo.serviceInfo.packageName, caughtException); |
| 459 | return null; |
| 460 | } |
| 461 | if (cn == null) { |
| 462 | return null; |
| 463 | } |
| 464 | if (cn.indexOf('/') < 0) { |
| 465 | cn = resolveInfo.serviceInfo.packageName + "/" + cn; |
| 466 | } |
| 467 | return ComponentName.unflattenFromString(cn); |
| 468 | } |
| 469 | |
| 470 | private ComponentName getComponentName(ResolveInfo resolveInfo) { |
| 471 | if (resolveInfo == null || resolveInfo.serviceInfo == null) return null; |
| 472 | return new ComponentName(resolveInfo.serviceInfo.packageName, resolveInfo.serviceInfo.name); |
| 473 | } |
| 474 | |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 475 | private void maybeEnableFactoryTrustAgents(LockPatternUtils utils, int userId) { |
| 476 | if (0 != Settings.Secure.getIntForUser(mContext.getContentResolver(), |
| 477 | Settings.Secure.TRUST_AGENTS_INITIALIZED, 0, userId)) { |
| 478 | return; |
| 479 | } |
| 480 | PackageManager pm = mContext.getPackageManager(); |
| 481 | List<ResolveInfo> resolveInfos = resolveAllowedTrustAgents(pm, userId); |
| 482 | ArraySet<ComponentName> discoveredAgents = new ArraySet<>(); |
| 483 | for (ResolveInfo resolveInfo : resolveInfos) { |
| 484 | ComponentName componentName = getComponentName(resolveInfo); |
| 485 | int applicationInfoFlags = resolveInfo.serviceInfo.applicationInfo.flags; |
| 486 | if ((applicationInfoFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { |
| 487 | Log.i(TAG, "Leaving agent " + componentName + " disabled because package " |
| 488 | + "is not a system package."); |
| 489 | continue; |
| 490 | } |
| 491 | discoveredAgents.add(componentName); |
| 492 | } |
| 493 | |
| 494 | List<ComponentName> previouslyEnabledAgents = utils.getEnabledTrustAgents(userId); |
| 495 | if (previouslyEnabledAgents != null) { |
| 496 | discoveredAgents.addAll(previouslyEnabledAgents); |
| 497 | } |
| 498 | utils.setEnabledTrustAgents(discoveredAgents, userId); |
| 499 | Settings.Secure.putIntForUser(mContext.getContentResolver(), |
| 500 | Settings.Secure.TRUST_AGENTS_INITIALIZED, 1, userId); |
| 501 | } |
| 502 | |
| 503 | private List<ResolveInfo> resolveAllowedTrustAgents(PackageManager pm, int userId) { |
| 504 | List<ResolveInfo> resolveInfos = pm.queryIntentServicesAsUser(TRUST_AGENT_INTENT, |
| 505 | 0 /* flags */, userId); |
| 506 | ArrayList<ResolveInfo> allowedAgents = new ArrayList<>(resolveInfos.size()); |
| 507 | for (ResolveInfo resolveInfo : resolveInfos) { |
| 508 | if (resolveInfo.serviceInfo == null) continue; |
| 509 | if (resolveInfo.serviceInfo.applicationInfo == null) continue; |
| 510 | String packageName = resolveInfo.serviceInfo.packageName; |
| 511 | if (pm.checkPermission(PERMISSION_PROVIDE_AGENT, packageName) |
| 512 | != PackageManager.PERMISSION_GRANTED) { |
| 513 | ComponentName name = getComponentName(resolveInfo); |
| 514 | Log.w(TAG, "Skipping agent " + name + " because package does not have" |
| 515 | + " permission " + PERMISSION_PROVIDE_AGENT + "."); |
| 516 | continue; |
| 517 | } |
| 518 | allowedAgents.add(resolveInfo); |
| 519 | } |
| 520 | return allowedAgents; |
| 521 | } |
| 522 | |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 523 | // Agent dispatch and aggregation |
| 524 | |
| 525 | private boolean aggregateIsTrusted(int userId) { |
Adrian Roos | b5e4722 | 2015-08-14 15:53:06 -0700 | [diff] [blame] | 526 | if (!mStrongAuthTracker.isTrustAllowedForUser(userId)) { |
Adrian Roos | 7046bfd | 2014-05-16 21:20:54 +0200 | [diff] [blame] | 527 | return false; |
| 528 | } |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 529 | for (int i = 0; i < mActiveAgents.size(); i++) { |
| 530 | AgentInfo info = mActiveAgents.valueAt(i); |
| 531 | if (info.userId == userId) { |
| 532 | if (info.agent.isTrusted()) { |
| 533 | return true; |
| 534 | } |
| 535 | } |
| 536 | } |
| 537 | return false; |
| 538 | } |
| 539 | |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 540 | private boolean aggregateIsTrustManaged(int userId) { |
Adrian Roos | b5e4722 | 2015-08-14 15:53:06 -0700 | [diff] [blame] | 541 | if (!mStrongAuthTracker.isTrustAllowedForUser(userId)) { |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 542 | return false; |
| 543 | } |
| 544 | for (int i = 0; i < mActiveAgents.size(); i++) { |
| 545 | AgentInfo info = mActiveAgents.valueAt(i); |
| 546 | if (info.userId == userId) { |
| 547 | if (info.agent.isManagingTrust()) { |
| 548 | return true; |
| 549 | } |
| 550 | } |
| 551 | } |
| 552 | return false; |
| 553 | } |
| 554 | |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 555 | private void dispatchUnlockAttempt(boolean successful, int userId) { |
| 556 | for (int i = 0; i < mActiveAgents.size(); i++) { |
| 557 | AgentInfo info = mActiveAgents.valueAt(i); |
| 558 | if (info.userId == userId) { |
| 559 | info.agent.onUnlockAttempt(successful); |
| 560 | } |
| 561 | } |
Adrian Roos | 2c12cfa | 2014-06-25 23:28:53 +0200 | [diff] [blame] | 562 | } |
| 563 | |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 564 | // Listeners |
| 565 | |
| 566 | private void addListener(ITrustListener listener) { |
| 567 | for (int i = 0; i < mTrustListeners.size(); i++) { |
| 568 | if (mTrustListeners.get(i).asBinder() == listener.asBinder()) { |
| 569 | return; |
| 570 | } |
| 571 | } |
| 572 | mTrustListeners.add(listener); |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 573 | updateTrustAll(); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 574 | } |
| 575 | |
| 576 | private void removeListener(ITrustListener listener) { |
| 577 | for (int i = 0; i < mTrustListeners.size(); i++) { |
| 578 | if (mTrustListeners.get(i).asBinder() == listener.asBinder()) { |
Jay Civelli | 979a32e | 2014-07-18 16:47:36 -0700 | [diff] [blame] | 579 | mTrustListeners.remove(i); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 580 | return; |
| 581 | } |
| 582 | } |
| 583 | } |
| 584 | |
Adrian Roos | 94e15a5 | 2015-04-16 12:23:18 -0700 | [diff] [blame] | 585 | private void dispatchOnTrustChanged(boolean enabled, int userId, int flags) { |
| 586 | if (!enabled) flags = 0; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 587 | for (int i = 0; i < mTrustListeners.size(); i++) { |
| 588 | try { |
Adrian Roos | 94e15a5 | 2015-04-16 12:23:18 -0700 | [diff] [blame] | 589 | mTrustListeners.get(i).onTrustChanged(enabled, userId, flags); |
Adrian Roos | a4ba56b | 2014-05-20 12:56:25 +0200 | [diff] [blame] | 590 | } catch (DeadObjectException e) { |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 591 | Slog.d(TAG, "Removing dead TrustListener."); |
| 592 | mTrustListeners.remove(i); |
| 593 | i--; |
| 594 | } catch (RemoteException e) { |
| 595 | Slog.e(TAG, "Exception while notifying TrustListener.", e); |
| 596 | } |
| 597 | } |
| 598 | } |
| 599 | |
| 600 | private void dispatchOnTrustManagedChanged(boolean managed, int userId) { |
| 601 | for (int i = 0; i < mTrustListeners.size(); i++) { |
| 602 | try { |
| 603 | mTrustListeners.get(i).onTrustManagedChanged(managed, userId); |
| 604 | } catch (DeadObjectException e) { |
| 605 | Slog.d(TAG, "Removing dead TrustListener."); |
Adrian Roos | a4ba56b | 2014-05-20 12:56:25 +0200 | [diff] [blame] | 606 | mTrustListeners.remove(i); |
| 607 | i--; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 608 | } catch (RemoteException e) { |
Adrian Roos | a4ba56b | 2014-05-20 12:56:25 +0200 | [diff] [blame] | 609 | Slog.e(TAG, "Exception while notifying TrustListener.", e); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 610 | } |
| 611 | } |
| 612 | } |
| 613 | |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 614 | // User lifecycle |
| 615 | |
| 616 | @Override |
| 617 | public void onStartUser(int userId) { |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 618 | mHandler.obtainMessage(MSG_START_USER, userId, 0, null).sendToTarget(); |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 619 | } |
| 620 | |
| 621 | @Override |
| 622 | public void onCleanupUser(int userId) { |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 623 | mHandler.obtainMessage(MSG_CLEANUP_USER, userId, 0, null).sendToTarget(); |
| 624 | } |
| 625 | |
| 626 | @Override |
| 627 | public void onSwitchUser(int userId) { |
| 628 | mHandler.obtainMessage(MSG_SWITCH_USER, userId, 0, null).sendToTarget(); |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 629 | } |
| 630 | |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 631 | // Plumbing |
| 632 | |
| 633 | private final IBinder mService = new ITrustManager.Stub() { |
| 634 | @Override |
| 635 | public void reportUnlockAttempt(boolean authenticated, int userId) throws RemoteException { |
| 636 | enforceReportPermission(); |
| 637 | mHandler.obtainMessage(MSG_DISPATCH_UNLOCK_ATTEMPT, authenticated ? 1 : 0, userId) |
| 638 | .sendToTarget(); |
| 639 | } |
| 640 | |
| 641 | @Override |
| 642 | public void reportEnabledTrustAgentsChanged(int userId) throws RemoteException { |
| 643 | enforceReportPermission(); |
| 644 | // coalesce refresh messages. |
| 645 | mHandler.removeMessages(MSG_ENABLED_AGENTS_CHANGED); |
| 646 | mHandler.sendEmptyMessage(MSG_ENABLED_AGENTS_CHANGED); |
| 647 | } |
| 648 | |
| 649 | @Override |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 650 | public void reportKeyguardShowingChanged() throws RemoteException { |
| 651 | enforceReportPermission(); |
| 652 | // coalesce refresh messages. |
| 653 | mHandler.removeMessages(MSG_KEYGUARD_SHOWING_CHANGED); |
| 654 | mHandler.sendEmptyMessage(MSG_KEYGUARD_SHOWING_CHANGED); |
| 655 | } |
| 656 | |
| 657 | @Override |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 658 | public void registerTrustListener(ITrustListener trustListener) throws RemoteException { |
| 659 | enforceListenerPermission(); |
| 660 | mHandler.obtainMessage(MSG_REGISTER_LISTENER, trustListener).sendToTarget(); |
| 661 | } |
| 662 | |
| 663 | @Override |
| 664 | public void unregisterTrustListener(ITrustListener trustListener) throws RemoteException { |
| 665 | enforceListenerPermission(); |
| 666 | mHandler.obtainMessage(MSG_UNREGISTER_LISTENER, trustListener).sendToTarget(); |
| 667 | } |
| 668 | |
Adrian Roos | bcd0765 | 2014-10-22 16:57:16 +0200 | [diff] [blame] | 669 | @Override |
Adrian Roos | 50bfeec | 2014-11-20 16:21:11 +0100 | [diff] [blame] | 670 | public boolean isDeviceLocked(int userId) throws RemoteException { |
Adrian Roos | bcd0765 | 2014-10-22 16:57:16 +0200 | [diff] [blame] | 671 | userId = ActivityManager.handleIncomingUser(getCallingPid(), getCallingUid(), userId, |
Adrian Roos | 50bfeec | 2014-11-20 16:21:11 +0100 | [diff] [blame] | 672 | false /* allowAll */, true /* requireFull */, "isDeviceLocked", null); |
Clara Bayarri | 56878a9 | 2015-10-29 15:43:55 +0000 | [diff] [blame^] | 673 | if (!StorageManager.isFileBasedEncryptionEnabled()) { |
| 674 | userId = resolveProfileParent(userId); |
| 675 | } |
Adrian Roos | 50bfeec | 2014-11-20 16:21:11 +0100 | [diff] [blame] | 676 | |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 677 | return isDeviceLockedInner(userId); |
Adrian Roos | bcd0765 | 2014-10-22 16:57:16 +0200 | [diff] [blame] | 678 | } |
| 679 | |
Adrian Roos | 8289368 | 2015-04-02 16:17:46 +0200 | [diff] [blame] | 680 | @Override |
| 681 | public boolean isDeviceSecure(int userId) throws RemoteException { |
| 682 | userId = ActivityManager.handleIncomingUser(getCallingPid(), getCallingUid(), userId, |
| 683 | false /* allowAll */, true /* requireFull */, "isDeviceSecure", null); |
| 684 | userId = resolveProfileParent(userId); |
| 685 | |
| 686 | long token = Binder.clearCallingIdentity(); |
| 687 | try { |
| 688 | return new LockPatternUtils(mContext).isSecure(userId); |
| 689 | } finally { |
| 690 | Binder.restoreCallingIdentity(token); |
| 691 | } |
| 692 | } |
| 693 | |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 694 | private void enforceReportPermission() { |
Adrian Roos | 2c12cfa | 2014-06-25 23:28:53 +0200 | [diff] [blame] | 695 | mContext.enforceCallingOrSelfPermission( |
| 696 | Manifest.permission.ACCESS_KEYGUARD_SECURE_STORAGE, "reporting trust events"); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 697 | } |
| 698 | |
| 699 | private void enforceListenerPermission() { |
| 700 | mContext.enforceCallingPermission(Manifest.permission.TRUST_LISTENER, |
| 701 | "register trust listener"); |
| 702 | } |
Adrian Roos | 7a4f3d4 | 2014-05-02 12:12:20 +0200 | [diff] [blame] | 703 | |
| 704 | @Override |
| 705 | protected void dump(FileDescriptor fd, final PrintWriter fout, String[] args) { |
| 706 | mContext.enforceCallingPermission(Manifest.permission.DUMP, |
| 707 | "dumping TrustManagerService"); |
Adrian Roos | 49d5345 | 2014-10-24 15:48:39 +0200 | [diff] [blame] | 708 | if (isSafeMode()) { |
| 709 | fout.println("disabled because the system is in safe mode."); |
| 710 | return; |
| 711 | } |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 712 | if (!mTrustAgentsCanRun) { |
| 713 | fout.println("disabled because the third-party apps can't run yet."); |
| 714 | return; |
| 715 | } |
Adrian Roos | 7a4f3d4 | 2014-05-02 12:12:20 +0200 | [diff] [blame] | 716 | final List<UserInfo> userInfos = mUserManager.getUsers(true /* excludeDying */); |
Adrian Roos | 7a4f3d4 | 2014-05-02 12:12:20 +0200 | [diff] [blame] | 717 | mHandler.runWithScissors(new Runnable() { |
| 718 | @Override |
| 719 | public void run() { |
| 720 | fout.println("Trust manager state:"); |
| 721 | for (UserInfo user : userInfos) { |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 722 | dumpUser(fout, user, user.id == mCurrentUser); |
Adrian Roos | 7a4f3d4 | 2014-05-02 12:12:20 +0200 | [diff] [blame] | 723 | } |
| 724 | } |
| 725 | }, 1500); |
| 726 | } |
| 727 | |
| 728 | private void dumpUser(PrintWriter fout, UserInfo user, boolean isCurrent) { |
| 729 | fout.printf(" User \"%s\" (id=%d, flags=%#x)", |
| 730 | user.name, user.id, user.flags); |
Xiaohui Chen | 7cb69df | 2015-07-13 16:01:01 -0700 | [diff] [blame] | 731 | if (!user.supportsSwitchToByUser()) { |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 732 | fout.println("(managed profile)"); |
| 733 | fout.println(" disabled because switching to this user is not possible."); |
| 734 | return; |
| 735 | } |
Adrian Roos | 7a4f3d4 | 2014-05-02 12:12:20 +0200 | [diff] [blame] | 736 | if (isCurrent) { |
| 737 | fout.print(" (current)"); |
| 738 | } |
| 739 | fout.print(": trusted=" + dumpBool(aggregateIsTrusted(user.id))); |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 740 | fout.print(", trustManaged=" + dumpBool(aggregateIsTrustManaged(user.id))); |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 741 | fout.print(", deviceLocked=" + dumpBool(isDeviceLockedInner(user.id))); |
Adrian Roos | b5e4722 | 2015-08-14 15:53:06 -0700 | [diff] [blame] | 742 | fout.print(", strongAuthRequired=" + dumpHex( |
| 743 | mStrongAuthTracker.getStrongAuthForUser(user.id))); |
Adrian Roos | 7a4f3d4 | 2014-05-02 12:12:20 +0200 | [diff] [blame] | 744 | fout.println(); |
| 745 | fout.println(" Enabled agents:"); |
| 746 | boolean duplicateSimpleNames = false; |
| 747 | ArraySet<String> simpleNames = new ArraySet<String>(); |
| 748 | for (AgentInfo info : mActiveAgents) { |
| 749 | if (info.userId != user.id) { continue; } |
| 750 | boolean trusted = info.agent.isTrusted(); |
| 751 | fout.print(" "); fout.println(info.component.flattenToShortString()); |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 752 | fout.print(" bound=" + dumpBool(info.agent.isBound())); |
| 753 | fout.print(", connected=" + dumpBool(info.agent.isConnected())); |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 754 | fout.print(", managingTrust=" + dumpBool(info.agent.isManagingTrust())); |
| 755 | fout.print(", trusted=" + dumpBool(trusted)); |
| 756 | fout.println(); |
Adrian Roos | 7a4f3d4 | 2014-05-02 12:12:20 +0200 | [diff] [blame] | 757 | if (trusted) { |
| 758 | fout.println(" message=\"" + info.agent.getMessage() + "\""); |
| 759 | } |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 760 | if (!info.agent.isConnected()) { |
| 761 | String restartTime = TrustArchive.formatDuration( |
| 762 | info.agent.getScheduledRestartUptimeMillis() |
| 763 | - SystemClock.uptimeMillis()); |
| 764 | fout.println(" restartScheduledAt=" + restartTime); |
| 765 | } |
Adrian Roos | 7a4f3d4 | 2014-05-02 12:12:20 +0200 | [diff] [blame] | 766 | if (!simpleNames.add(TrustArchive.getSimpleName(info.component))) { |
| 767 | duplicateSimpleNames = true; |
| 768 | } |
| 769 | } |
| 770 | fout.println(" Events:"); |
| 771 | mArchive.dump(fout, 50, user.id, " " /* linePrefix */, duplicateSimpleNames); |
| 772 | fout.println(); |
| 773 | } |
| 774 | |
| 775 | private String dumpBool(boolean b) { |
| 776 | return b ? "1" : "0"; |
| 777 | } |
Adrian Roos | b5e4722 | 2015-08-14 15:53:06 -0700 | [diff] [blame] | 778 | |
| 779 | private String dumpHex(int i) { |
| 780 | return "0x" + Integer.toHexString(i); |
| 781 | } |
Clara Bayarri | 56878a9 | 2015-10-29 15:43:55 +0000 | [diff] [blame^] | 782 | |
| 783 | @Override |
| 784 | public void setDeviceLockedForUser(int userId, boolean value) { |
| 785 | mHandler.obtainMessage(MSG_SET_DEVICE_LOCKED, value ? 1 : 0, userId) |
| 786 | .sendToTarget(); |
| 787 | } |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 788 | }; |
| 789 | |
Adrian Roos | bcd0765 | 2014-10-22 16:57:16 +0200 | [diff] [blame] | 790 | private int resolveProfileParent(int userId) { |
| 791 | long identity = Binder.clearCallingIdentity(); |
| 792 | try { |
| 793 | UserInfo parent = mUserManager.getProfileParent(userId); |
| 794 | if (parent != null) { |
| 795 | return parent.getUserHandle().getIdentifier(); |
| 796 | } |
| 797 | return userId; |
| 798 | } finally { |
| 799 | Binder.restoreCallingIdentity(identity); |
| 800 | } |
| 801 | } |
| 802 | |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 803 | private final Handler mHandler = new Handler() { |
| 804 | @Override |
| 805 | public void handleMessage(Message msg) { |
| 806 | switch (msg.what) { |
| 807 | case MSG_REGISTER_LISTENER: |
| 808 | addListener((ITrustListener) msg.obj); |
| 809 | break; |
| 810 | case MSG_UNREGISTER_LISTENER: |
| 811 | removeListener((ITrustListener) msg.obj); |
| 812 | break; |
| 813 | case MSG_DISPATCH_UNLOCK_ATTEMPT: |
| 814 | dispatchUnlockAttempt(msg.arg1 != 0, msg.arg2); |
| 815 | break; |
| 816 | case MSG_ENABLED_AGENTS_CHANGED: |
Marco Fucci | 4e68f11 | 2014-08-29 12:31:48 -0700 | [diff] [blame] | 817 | refreshAgentList(UserHandle.USER_ALL); |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 818 | // This is also called when the security mode of a user changes. |
| 819 | refreshDeviceLockedForUser(UserHandle.USER_ALL); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 820 | break; |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 821 | case MSG_KEYGUARD_SHOWING_CHANGED: |
Adrian Roos | 7e2e40e | 2014-11-21 15:27:12 +0100 | [diff] [blame] | 822 | refreshDeviceLockedForUser(mCurrentUser); |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 823 | break; |
| 824 | case MSG_START_USER: |
| 825 | case MSG_CLEANUP_USER: |
| 826 | refreshAgentList(msg.arg1); |
| 827 | break; |
| 828 | case MSG_SWITCH_USER: |
| 829 | mCurrentUser = msg.arg1; |
| 830 | refreshDeviceLockedForUser(UserHandle.USER_ALL); |
| 831 | break; |
Clara Bayarri | 56878a9 | 2015-10-29 15:43:55 +0000 | [diff] [blame^] | 832 | case MSG_SET_DEVICE_LOCKED: |
| 833 | setDeviceLockedForUser(msg.arg2, msg.arg1 != 0); |
| 834 | break; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 835 | } |
| 836 | } |
| 837 | }; |
| 838 | |
| 839 | private final PackageMonitor mPackageMonitor = new PackageMonitor() { |
| 840 | @Override |
| 841 | public void onSomePackagesChanged() { |
Marco Fucci | 4e68f11 | 2014-08-29 12:31:48 -0700 | [diff] [blame] | 842 | refreshAgentList(UserHandle.USER_ALL); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 843 | } |
| 844 | |
| 845 | @Override |
| 846 | public boolean onPackageChanged(String packageName, int uid, String[] components) { |
| 847 | // We're interested in all changes, even if just some components get enabled / disabled. |
| 848 | return true; |
| 849 | } |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 850 | |
| 851 | @Override |
| 852 | public void onPackageDisappeared(String packageName, int reason) { |
| 853 | removeAgentsOfPackage(packageName); |
| 854 | } |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 855 | }; |
Adrian Roos | ca36b95 | 2014-05-16 18:52:29 +0200 | [diff] [blame] | 856 | |
Adrian Roos | b5e4722 | 2015-08-14 15:53:06 -0700 | [diff] [blame] | 857 | private final StrongAuthTracker mStrongAuthTracker = new StrongAuthTracker() { |
| 858 | @Override |
| 859 | public void onStrongAuthRequiredChanged(int userId) { |
| 860 | refreshAgentList(userId); |
| 861 | } |
| 862 | }; |
| 863 | |
Adrian Roos | 9dbe190 | 2014-08-13 18:25:52 +0200 | [diff] [blame] | 864 | private class Receiver extends BroadcastReceiver { |
Adrian Roos | ca36b95 | 2014-05-16 18:52:29 +0200 | [diff] [blame] | 865 | |
| 866 | @Override |
| 867 | public void onReceive(Context context, Intent intent) { |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 868 | String action = intent.getAction(); |
| 869 | if (DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED.equals(action)) { |
Marco Fucci | 4e68f11 | 2014-08-29 12:31:48 -0700 | [diff] [blame] | 870 | refreshAgentList(getSendingUserId()); |
| 871 | updateDevicePolicyFeatures(); |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 872 | } else if (Intent.ACTION_USER_ADDED.equals(action)) { |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 873 | int userId = getUserId(intent); |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 874 | if (userId > 0) { |
| 875 | maybeEnableFactoryTrustAgents(mLockPatternUtils, userId); |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 876 | } |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 877 | } else if (Intent.ACTION_USER_REMOVED.equals(action)) { |
| 878 | int userId = getUserId(intent); |
| 879 | if (userId > 0) { |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 880 | synchronized (mUserIsTrusted) { |
| 881 | mUserIsTrusted.delete(userId); |
| 882 | } |
| 883 | synchronized (mDeviceLockedForUser) { |
| 884 | mDeviceLockedForUser.delete(userId); |
| 885 | } |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 886 | refreshAgentList(userId); |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 887 | refreshDeviceLockedForUser(userId); |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 888 | } |
| 889 | } |
| 890 | } |
| 891 | |
| 892 | private int getUserId(Intent intent) { |
| 893 | int userId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, -100); |
| 894 | if (userId > 0) { |
| 895 | return userId; |
| 896 | } else { |
| 897 | Slog.wtf(TAG, "EXTRA_USER_HANDLE missing or invalid, value=" + userId); |
| 898 | return -100; |
Adrian Roos | ca36b95 | 2014-05-16 18:52:29 +0200 | [diff] [blame] | 899 | } |
| 900 | } |
| 901 | |
| 902 | public void register(Context context) { |
Adrian Roos | 9dbe190 | 2014-08-13 18:25:52 +0200 | [diff] [blame] | 903 | IntentFilter filter = new IntentFilter(); |
| 904 | filter.addAction(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); |
| 905 | filter.addAction(Intent.ACTION_USER_PRESENT); |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 906 | filter.addAction(Intent.ACTION_USER_ADDED); |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 907 | filter.addAction(Intent.ACTION_USER_REMOVED); |
Adrian Roos | ca36b95 | 2014-05-16 18:52:29 +0200 | [diff] [blame] | 908 | context.registerReceiverAsUser(this, |
| 909 | UserHandle.ALL, |
Adrian Roos | 9dbe190 | 2014-08-13 18:25:52 +0200 | [diff] [blame] | 910 | filter, |
Adrian Roos | ca36b95 | 2014-05-16 18:52:29 +0200 | [diff] [blame] | 911 | null /* permission */, |
| 912 | null /* scheduler */); |
| 913 | } |
| 914 | } |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 915 | } |