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; |
| 22 | import com.android.server.SystemService; |
| 23 | |
| 24 | import org.xmlpull.v1.XmlPullParser; |
| 25 | import org.xmlpull.v1.XmlPullParserException; |
| 26 | |
| 27 | import android.Manifest; |
Adrian Roos | bcd0765 | 2014-10-22 16:57:16 +0200 | [diff] [blame] | 28 | import android.app.ActivityManager; |
Adrian Roos | ca36b95 | 2014-05-16 18:52:29 +0200 | [diff] [blame] | 29 | import android.app.admin.DevicePolicyManager; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 30 | import android.app.trust.ITrustListener; |
| 31 | import android.app.trust.ITrustManager; |
Adrian Roos | ca36b95 | 2014-05-16 18:52:29 +0200 | [diff] [blame] | 32 | import android.content.BroadcastReceiver; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 33 | import android.content.ComponentName; |
| 34 | import android.content.Context; |
| 35 | import android.content.Intent; |
Adrian Roos | ca36b95 | 2014-05-16 18:52:29 +0200 | [diff] [blame] | 36 | import android.content.IntentFilter; |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 37 | import android.content.pm.ApplicationInfo; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 38 | import android.content.pm.PackageManager; |
| 39 | import android.content.pm.ResolveInfo; |
| 40 | import android.content.pm.UserInfo; |
| 41 | import android.content.res.Resources; |
| 42 | import android.content.res.TypedArray; |
| 43 | import android.content.res.XmlResourceParser; |
| 44 | import android.graphics.drawable.Drawable; |
Adrian Roos | bcd0765 | 2014-10-22 16:57:16 +0200 | [diff] [blame] | 45 | import android.os.Binder; |
Adrian Roos | a4ba56b | 2014-05-20 12:56:25 +0200 | [diff] [blame] | 46 | import android.os.DeadObjectException; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 47 | import android.os.Handler; |
| 48 | import android.os.IBinder; |
| 49 | import android.os.Message; |
Jim Miller | e303bf4 | 2014-08-26 17:12:29 -0700 | [diff] [blame] | 50 | import android.os.PersistableBundle; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 51 | import android.os.RemoteException; |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 52 | import android.os.SystemClock; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 53 | import android.os.UserHandle; |
| 54 | import android.os.UserManager; |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 55 | import android.provider.Settings; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 56 | import android.service.trust.TrustAgentService; |
| 57 | import android.util.ArraySet; |
| 58 | import android.util.AttributeSet; |
Adrian Roos | 18ea893 | 2014-05-28 14:53:06 +0200 | [diff] [blame] | 59 | import android.util.Log; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 60 | import android.util.Slog; |
Adrian Roos | 7046bfd | 2014-05-16 21:20:54 +0200 | [diff] [blame] | 61 | import android.util.SparseBooleanArray; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 62 | import android.util.Xml; |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 63 | import android.view.IWindowManager; |
Adrian Roos | 50bfeec | 2014-11-20 16:21:11 +0100 | [diff] [blame] | 64 | import android.view.WindowManagerGlobal; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 65 | |
Adrian Roos | 7a4f3d4 | 2014-05-02 12:12:20 +0200 | [diff] [blame] | 66 | import java.io.FileDescriptor; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 67 | import java.io.IOException; |
Adrian Roos | 7a4f3d4 | 2014-05-02 12:12:20 +0200 | [diff] [blame] | 68 | import java.io.PrintWriter; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 69 | import java.util.ArrayList; |
| 70 | import java.util.List; |
| 71 | |
| 72 | /** |
| 73 | * Manages trust agents and trust listeners. |
| 74 | * |
| 75 | * It is responsible for binding to the enabled {@link android.service.trust.TrustAgentService}s |
| 76 | * of each user and notifies them about events that are relevant to them. |
| 77 | * It start and stops them based on the value of |
| 78 | * {@link com.android.internal.widget.LockPatternUtils#getEnabledTrustAgents(int)}. |
| 79 | * |
| 80 | * It also keeps a set of {@link android.app.trust.ITrustListener}s that are notified whenever the |
| 81 | * trust state changes for any user. |
| 82 | * |
| 83 | * Trust state and the setting of enabled agents is kept per user and each user has its own |
| 84 | * instance of a {@link android.service.trust.TrustAgentService}. |
| 85 | */ |
| 86 | public class TrustManagerService extends SystemService { |
| 87 | |
| 88 | private static final boolean DEBUG = false; |
| 89 | private static final String TAG = "TrustManagerService"; |
| 90 | |
| 91 | private static final Intent TRUST_AGENT_INTENT = |
| 92 | new Intent(TrustAgentService.SERVICE_INTERFACE); |
Adrian Roos | 18ea893 | 2014-05-28 14:53:06 +0200 | [diff] [blame] | 93 | private static final String PERMISSION_PROVIDE_AGENT = Manifest.permission.PROVIDE_TRUST_AGENT; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 94 | |
| 95 | private static final int MSG_REGISTER_LISTENER = 1; |
| 96 | private static final int MSG_UNREGISTER_LISTENER = 2; |
| 97 | private static final int MSG_DISPATCH_UNLOCK_ATTEMPT = 3; |
| 98 | private static final int MSG_ENABLED_AGENTS_CHANGED = 4; |
Adrian Roos | 2c12cfa | 2014-06-25 23:28:53 +0200 | [diff] [blame] | 99 | private static final int MSG_REQUIRE_CREDENTIAL_ENTRY = 5; |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 100 | private static final int MSG_KEYGUARD_SHOWING_CHANGED = 6; |
| 101 | private static final int MSG_START_USER = 7; |
| 102 | private static final int MSG_CLEANUP_USER = 8; |
| 103 | private static final int MSG_SWITCH_USER = 9; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 104 | |
| 105 | private final ArraySet<AgentInfo> mActiveAgents = new ArraySet<AgentInfo>(); |
| 106 | private final ArrayList<ITrustListener> mTrustListeners = new ArrayList<ITrustListener>(); |
Adrian Roos | 9dbe190 | 2014-08-13 18:25:52 +0200 | [diff] [blame] | 107 | private final Receiver mReceiver = new Receiver(); |
Adrian Roos | 7046bfd | 2014-05-16 21:20:54 +0200 | [diff] [blame] | 108 | private final SparseBooleanArray mUserHasAuthenticatedSinceBoot = new SparseBooleanArray(); |
Adrian Roos | 7a4f3d4 | 2014-05-02 12:12:20 +0200 | [diff] [blame] | 109 | /* package */ final TrustArchive mArchive = new TrustArchive(); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 110 | private final Context mContext; |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 111 | private final LockPatternUtils mLockPatternUtils; |
Adrian Roos | bcd0765 | 2014-10-22 16:57:16 +0200 | [diff] [blame] | 112 | private final UserManager mUserManager; |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 113 | private final ActivityManager mActivityManager; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 114 | |
Adrian Roos | bcd0765 | 2014-10-22 16:57:16 +0200 | [diff] [blame] | 115 | @GuardedBy("mUserIsTrusted") |
| 116 | private final SparseBooleanArray mUserIsTrusted = new SparseBooleanArray(); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 117 | |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 118 | @GuardedBy("mDeviceLockedForUser") |
| 119 | private final SparseBooleanArray mDeviceLockedForUser = new SparseBooleanArray(); |
| 120 | |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 121 | private boolean mTrustAgentsCanRun = false; |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 122 | private int mCurrentUser = UserHandle.USER_OWNER; |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 123 | |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 124 | public TrustManagerService(Context context) { |
| 125 | super(context); |
| 126 | mContext = context; |
| 127 | mUserManager = (UserManager) mContext.getSystemService(Context.USER_SERVICE); |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 128 | mActivityManager = (ActivityManager) mContext.getSystemService(Context.ACTIVITY_SERVICE); |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 129 | mLockPatternUtils = new LockPatternUtils(context); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 130 | } |
| 131 | |
| 132 | @Override |
| 133 | public void onStart() { |
| 134 | publishBinderService(Context.TRUST_SERVICE, mService); |
| 135 | } |
| 136 | |
| 137 | @Override |
| 138 | public void onBootPhase(int phase) { |
Adrian Roos | 49d5345 | 2014-10-24 15:48:39 +0200 | [diff] [blame] | 139 | if (isSafeMode()) { |
| 140 | // No trust agents in safe mode. |
| 141 | return; |
| 142 | } |
| 143 | if (phase == SystemService.PHASE_SYSTEM_SERVICES_READY) { |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 144 | mPackageMonitor.register(mContext, mHandler.getLooper(), UserHandle.ALL, true); |
Adrian Roos | 9dbe190 | 2014-08-13 18:25:52 +0200 | [diff] [blame] | 145 | mReceiver.register(mContext); |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 146 | } else if (phase == SystemService.PHASE_THIRD_PARTY_APPS_CAN_START) { |
| 147 | mTrustAgentsCanRun = true; |
Marco Fucci | 4e68f11 | 2014-08-29 12:31:48 -0700 | [diff] [blame] | 148 | refreshAgentList(UserHandle.USER_ALL); |
Adrian Roos | 49d5345 | 2014-10-24 15:48:39 +0200 | [diff] [blame] | 149 | } else if (phase == SystemService.PHASE_BOOT_COMPLETED) { |
Adrian Roos | 7b4a38b | 2014-10-21 17:07:39 +0200 | [diff] [blame] | 150 | maybeEnableFactoryTrustAgents(mLockPatternUtils, UserHandle.USER_OWNER); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 151 | } |
| 152 | } |
| 153 | |
| 154 | // Agent management |
| 155 | |
| 156 | private static final class AgentInfo { |
| 157 | CharSequence label; |
| 158 | Drawable icon; |
| 159 | ComponentName component; // service that implements ITrustAgent |
| 160 | ComponentName settings; // setting to launch to modify agent. |
| 161 | TrustAgentWrapper agent; |
| 162 | int userId; |
| 163 | |
| 164 | @Override |
| 165 | public boolean equals(Object other) { |
| 166 | if (!(other instanceof AgentInfo)) { |
| 167 | return false; |
| 168 | } |
| 169 | AgentInfo o = (AgentInfo) other; |
| 170 | return component.equals(o.component) && userId == o.userId; |
| 171 | } |
| 172 | |
| 173 | @Override |
| 174 | public int hashCode() { |
| 175 | return component.hashCode() * 31 + userId; |
| 176 | } |
| 177 | } |
| 178 | |
| 179 | private void updateTrustAll() { |
| 180 | List<UserInfo> userInfos = mUserManager.getUsers(true /* excludeDying */); |
| 181 | for (UserInfo userInfo : userInfos) { |
Adrian Roos | 3c9a350 | 2014-08-06 19:09:45 +0200 | [diff] [blame] | 182 | updateTrust(userInfo.id, false); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 183 | } |
| 184 | } |
| 185 | |
Adrian Roos | 3c9a350 | 2014-08-06 19:09:45 +0200 | [diff] [blame] | 186 | public void updateTrust(int userId, boolean initiatedByUser) { |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 187 | dispatchOnTrustManagedChanged(aggregateIsTrustManaged(userId), userId); |
Adrian Roos | bcd0765 | 2014-10-22 16:57:16 +0200 | [diff] [blame] | 188 | boolean trusted = aggregateIsTrusted(userId); |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 189 | boolean changed; |
Adrian Roos | bcd0765 | 2014-10-22 16:57:16 +0200 | [diff] [blame] | 190 | synchronized (mUserIsTrusted) { |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 191 | changed = mUserIsTrusted.get(userId) != trusted; |
Adrian Roos | bcd0765 | 2014-10-22 16:57:16 +0200 | [diff] [blame] | 192 | mUserIsTrusted.put(userId, trusted); |
| 193 | } |
| 194 | dispatchOnTrustChanged(trusted, userId, initiatedByUser); |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 195 | if (changed) { |
| 196 | refreshDeviceLockedForUser(userId); |
| 197 | } |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 198 | } |
| 199 | |
Marco Fucci | 4e68f11 | 2014-08-29 12:31:48 -0700 | [diff] [blame] | 200 | void refreshAgentList(int userId) { |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 201 | if (DEBUG) Slog.d(TAG, "refreshAgentList()"); |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 202 | if (!mTrustAgentsCanRun) { |
Adrian Roos | 49d5345 | 2014-10-24 15:48:39 +0200 | [diff] [blame] | 203 | return; |
| 204 | } |
Adrian Roos | e681c27 | 2014-09-08 14:03:47 +0200 | [diff] [blame] | 205 | if (userId != UserHandle.USER_ALL && userId < UserHandle.USER_OWNER) { |
| 206 | Log.e(TAG, "refreshAgentList(userId=" + userId + "): Invalid user handle," |
| 207 | + " must be USER_ALL or a specific user.", new Throwable("here")); |
| 208 | userId = UserHandle.USER_ALL; |
| 209 | } |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 210 | PackageManager pm = mContext.getPackageManager(); |
| 211 | |
Marco Fucci | 4e68f11 | 2014-08-29 12:31:48 -0700 | [diff] [blame] | 212 | List<UserInfo> userInfos; |
| 213 | if (userId == UserHandle.USER_ALL) { |
| 214 | userInfos = mUserManager.getUsers(true /* excludeDying */); |
| 215 | } else { |
| 216 | userInfos = new ArrayList<>(); |
| 217 | userInfos.add(mUserManager.getUserInfo(userId)); |
| 218 | } |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 219 | LockPatternUtils lockPatternUtils = mLockPatternUtils; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 220 | |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 221 | ArraySet<AgentInfo> obsoleteAgents = new ArraySet<>(); |
| 222 | obsoleteAgents.addAll(mActiveAgents); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 223 | |
| 224 | for (UserInfo userInfo : userInfos) { |
Adrian Roos | fc29e0b | 2014-11-11 12:55:44 +0100 | [diff] [blame] | 225 | if (userInfo == null || userInfo.partial || !userInfo.isEnabled() |
| 226 | || userInfo.guestToRemove) continue; |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 227 | if (!userInfo.supportsSwitchTo()) continue; |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 228 | if (!mActivityManager.isUserRunning(userInfo.id)) continue; |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 229 | if (!lockPatternUtils.isSecure(userInfo.id)) continue; |
Marco Fucci | 4e68f11 | 2014-08-29 12:31:48 -0700 | [diff] [blame] | 230 | if (!mUserHasAuthenticatedSinceBoot.get(userInfo.id)) continue; |
Adrian Roos | 8f21158 | 2014-07-29 15:09:57 +0200 | [diff] [blame] | 231 | DevicePolicyManager dpm = lockPatternUtils.getDevicePolicyManager(); |
| 232 | int disabledFeatures = dpm.getKeyguardDisabledFeatures(null, userInfo.id); |
Jim Miller | 604e755 | 2014-07-18 19:00:02 -0700 | [diff] [blame] | 233 | final boolean disableTrustAgents = |
Adrian Roos | ca36b95 | 2014-05-16 18:52:29 +0200 | [diff] [blame] | 234 | (disabledFeatures & DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS) != 0; |
| 235 | |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 236 | List<ComponentName> enabledAgents = lockPatternUtils.getEnabledTrustAgents(userInfo.id); |
Adrian Roos | 8f21158 | 2014-07-29 15:09:57 +0200 | [diff] [blame] | 237 | if (enabledAgents == null) { |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 238 | continue; |
| 239 | } |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 240 | List<ResolveInfo> resolveInfos = resolveAllowedTrustAgents(pm, userInfo.id); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 241 | for (ResolveInfo resolveInfo : resolveInfos) { |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 242 | ComponentName name = getComponentName(resolveInfo); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 243 | |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 244 | if (!enabledAgents.contains(name)) continue; |
Adrian Roos | 8f21158 | 2014-07-29 15:09:57 +0200 | [diff] [blame] | 245 | if (disableTrustAgents) { |
Jim Miller | e303bf4 | 2014-08-26 17:12:29 -0700 | [diff] [blame] | 246 | List<PersistableBundle> config = |
| 247 | dpm.getTrustAgentConfiguration(null /* admin */, name, userInfo.id); |
Adrian Roos | 8f21158 | 2014-07-29 15:09:57 +0200 | [diff] [blame] | 248 | // Disable agent if no features are enabled. |
Jim Miller | e303bf4 | 2014-08-26 17:12:29 -0700 | [diff] [blame] | 249 | if (config == null || config.isEmpty()) continue; |
Adrian Roos | 8f21158 | 2014-07-29 15:09:57 +0200 | [diff] [blame] | 250 | } |
| 251 | |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 252 | AgentInfo agentInfo = new AgentInfo(); |
| 253 | agentInfo.component = name; |
| 254 | agentInfo.userId = userInfo.id; |
| 255 | if (!mActiveAgents.contains(agentInfo)) { |
| 256 | agentInfo.label = resolveInfo.loadLabel(pm); |
| 257 | agentInfo.icon = resolveInfo.loadIcon(pm); |
| 258 | agentInfo.settings = getSettingsComponentName(pm, resolveInfo); |
| 259 | agentInfo.agent = new TrustAgentWrapper(mContext, this, |
| 260 | new Intent().setComponent(name), userInfo.getUserHandle()); |
| 261 | mActiveAgents.add(agentInfo); |
| 262 | } else { |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 263 | obsoleteAgents.remove(agentInfo); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 264 | } |
| 265 | } |
| 266 | } |
| 267 | |
| 268 | boolean trustMayHaveChanged = false; |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 269 | for (int i = 0; i < obsoleteAgents.size(); i++) { |
| 270 | AgentInfo info = obsoleteAgents.valueAt(i); |
Adrian Roos | e681c27 | 2014-09-08 14:03:47 +0200 | [diff] [blame] | 271 | if (userId == UserHandle.USER_ALL || userId == info.userId) { |
| 272 | if (info.agent.isManagingTrust()) { |
| 273 | trustMayHaveChanged = true; |
| 274 | } |
Adrian Roos | fc29e0b | 2014-11-11 12:55:44 +0100 | [diff] [blame] | 275 | info.agent.destroy(); |
Adrian Roos | e681c27 | 2014-09-08 14:03:47 +0200 | [diff] [blame] | 276 | mActiveAgents.remove(info); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 277 | } |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 278 | } |
| 279 | |
| 280 | if (trustMayHaveChanged) { |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 281 | if (userId == UserHandle.USER_ALL) { |
| 282 | updateTrustAll(); |
| 283 | } else { |
| 284 | updateTrust(userId, false /* initiatedByUser */); |
| 285 | } |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 286 | } |
| 287 | } |
| 288 | |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 289 | boolean isDeviceLockedInner(int userId) { |
| 290 | synchronized (mDeviceLockedForUser) { |
| 291 | return mDeviceLockedForUser.get(userId, true); |
| 292 | } |
| 293 | } |
| 294 | |
| 295 | private void refreshDeviceLockedForUser(int userId) { |
| 296 | if (userId != UserHandle.USER_ALL && userId < UserHandle.USER_OWNER) { |
Adrian Roos | 7e2e40e | 2014-11-21 15:27:12 +0100 | [diff] [blame] | 297 | Log.e(TAG, "refreshDeviceLockedForUser(userId=" + userId + "): Invalid user handle," |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 298 | + " must be USER_ALL or a specific user.", new Throwable("here")); |
| 299 | userId = UserHandle.USER_ALL; |
| 300 | } |
| 301 | |
| 302 | List<UserInfo> userInfos; |
| 303 | if (userId == UserHandle.USER_ALL) { |
| 304 | userInfos = mUserManager.getUsers(true /* excludeDying */); |
| 305 | } else { |
| 306 | userInfos = new ArrayList<>(); |
| 307 | userInfos.add(mUserManager.getUserInfo(userId)); |
| 308 | } |
| 309 | |
| 310 | IWindowManager wm = WindowManagerGlobal.getWindowManagerService(); |
| 311 | |
| 312 | for (int i = 0; i < userInfos.size(); i++) { |
| 313 | UserInfo info = userInfos.get(i); |
| 314 | |
| 315 | if (info == null || info.partial || !info.isEnabled() || info.guestToRemove |
| 316 | || !info.supportsSwitchTo()) { |
| 317 | continue; |
| 318 | } |
| 319 | |
| 320 | int id = info.id; |
| 321 | boolean secure = mLockPatternUtils.isSecure(id); |
| 322 | boolean trusted = aggregateIsTrusted(id); |
| 323 | boolean showingKeyguard = true; |
| 324 | if (mCurrentUser == id) { |
| 325 | try { |
| 326 | showingKeyguard = wm.isKeyguardLocked(); |
| 327 | } catch (RemoteException e) { |
| 328 | } |
| 329 | } |
| 330 | boolean deviceLocked = secure && showingKeyguard && !trusted; |
| 331 | |
| 332 | boolean changed; |
| 333 | synchronized (mDeviceLockedForUser) { |
| 334 | changed = isDeviceLockedInner(id) != deviceLocked; |
| 335 | mDeviceLockedForUser.put(id, deviceLocked); |
| 336 | } |
| 337 | if (changed) { |
| 338 | dispatchDeviceLocked(id, deviceLocked); |
| 339 | } |
| 340 | } |
| 341 | } |
| 342 | |
| 343 | private void dispatchDeviceLocked(int userId, boolean isLocked) { |
| 344 | for (int i = 0; i < mActiveAgents.size(); i++) { |
| 345 | AgentInfo agent = mActiveAgents.valueAt(i); |
| 346 | if (agent.userId == userId) { |
| 347 | if (isLocked) { |
| 348 | agent.agent.onDeviceLocked(); |
| 349 | } else{ |
| 350 | agent.agent.onDeviceUnlocked(); |
| 351 | } |
| 352 | } |
| 353 | } |
| 354 | } |
| 355 | |
Marco Fucci | 4e68f11 | 2014-08-29 12:31:48 -0700 | [diff] [blame] | 356 | void updateDevicePolicyFeatures() { |
Adrian Roos | 8f21158 | 2014-07-29 15:09:57 +0200 | [diff] [blame] | 357 | for (int i = 0; i < mActiveAgents.size(); i++) { |
| 358 | AgentInfo info = mActiveAgents.valueAt(i); |
| 359 | if (info.agent.isConnected()) { |
| 360 | info.agent.updateDevicePolicyFeatures(); |
| 361 | } |
| 362 | } |
| 363 | } |
| 364 | |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 365 | private void removeAgentsOfPackage(String packageName) { |
| 366 | boolean trustMayHaveChanged = false; |
| 367 | for (int i = mActiveAgents.size() - 1; i >= 0; i--) { |
| 368 | AgentInfo info = mActiveAgents.valueAt(i); |
| 369 | if (packageName.equals(info.component.getPackageName())) { |
| 370 | Log.i(TAG, "Resetting agent " + info.component.flattenToShortString()); |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 371 | if (info.agent.isManagingTrust()) { |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 372 | trustMayHaveChanged = true; |
| 373 | } |
Adrian Roos | fc29e0b | 2014-11-11 12:55:44 +0100 | [diff] [blame] | 374 | info.agent.destroy(); |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 375 | mActiveAgents.removeAt(i); |
| 376 | } |
| 377 | } |
| 378 | if (trustMayHaveChanged) { |
| 379 | updateTrustAll(); |
| 380 | } |
| 381 | } |
| 382 | |
| 383 | public void resetAgent(ComponentName name, int userId) { |
| 384 | boolean trustMayHaveChanged = false; |
| 385 | for (int i = mActiveAgents.size() - 1; i >= 0; i--) { |
| 386 | AgentInfo info = mActiveAgents.valueAt(i); |
| 387 | if (name.equals(info.component) && userId == info.userId) { |
| 388 | Log.i(TAG, "Resetting agent " + info.component.flattenToShortString()); |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 389 | if (info.agent.isManagingTrust()) { |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 390 | trustMayHaveChanged = true; |
| 391 | } |
Adrian Roos | fc29e0b | 2014-11-11 12:55:44 +0100 | [diff] [blame] | 392 | info.agent.destroy(); |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 393 | mActiveAgents.removeAt(i); |
| 394 | } |
| 395 | } |
| 396 | if (trustMayHaveChanged) { |
Adrian Roos | 3c9a350 | 2014-08-06 19:09:45 +0200 | [diff] [blame] | 397 | updateTrust(userId, false); |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 398 | } |
Marco Fucci | 4e68f11 | 2014-08-29 12:31:48 -0700 | [diff] [blame] | 399 | refreshAgentList(userId); |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 400 | } |
| 401 | |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 402 | private ComponentName getSettingsComponentName(PackageManager pm, ResolveInfo resolveInfo) { |
| 403 | if (resolveInfo == null || resolveInfo.serviceInfo == null |
| 404 | || resolveInfo.serviceInfo.metaData == null) return null; |
| 405 | String cn = null; |
| 406 | XmlResourceParser parser = null; |
| 407 | Exception caughtException = null; |
| 408 | try { |
| 409 | parser = resolveInfo.serviceInfo.loadXmlMetaData(pm, |
| 410 | TrustAgentService.TRUST_AGENT_META_DATA); |
| 411 | if (parser == null) { |
| 412 | Slog.w(TAG, "Can't find " + TrustAgentService.TRUST_AGENT_META_DATA + " meta-data"); |
| 413 | return null; |
| 414 | } |
| 415 | Resources res = pm.getResourcesForApplication(resolveInfo.serviceInfo.applicationInfo); |
| 416 | AttributeSet attrs = Xml.asAttributeSet(parser); |
| 417 | int type; |
| 418 | while ((type = parser.next()) != XmlPullParser.END_DOCUMENT |
| 419 | && type != XmlPullParser.START_TAG) { |
| 420 | // Drain preamble. |
| 421 | } |
| 422 | String nodeName = parser.getName(); |
Adrian Roos | 7e03dfc | 2014-05-16 16:06:28 +0200 | [diff] [blame] | 423 | if (!"trust-agent".equals(nodeName)) { |
| 424 | Slog.w(TAG, "Meta-data does not start with trust-agent tag"); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 425 | return null; |
| 426 | } |
| 427 | TypedArray sa = res |
| 428 | .obtainAttributes(attrs, com.android.internal.R.styleable.TrustAgent); |
| 429 | cn = sa.getString(com.android.internal.R.styleable.TrustAgent_settingsActivity); |
| 430 | sa.recycle(); |
| 431 | } catch (PackageManager.NameNotFoundException e) { |
| 432 | caughtException = e; |
| 433 | } catch (IOException e) { |
| 434 | caughtException = e; |
| 435 | } catch (XmlPullParserException e) { |
| 436 | caughtException = e; |
| 437 | } finally { |
| 438 | if (parser != null) parser.close(); |
| 439 | } |
| 440 | if (caughtException != null) { |
| 441 | Slog.w(TAG, "Error parsing : " + resolveInfo.serviceInfo.packageName, caughtException); |
| 442 | return null; |
| 443 | } |
| 444 | if (cn == null) { |
| 445 | return null; |
| 446 | } |
| 447 | if (cn.indexOf('/') < 0) { |
| 448 | cn = resolveInfo.serviceInfo.packageName + "/" + cn; |
| 449 | } |
| 450 | return ComponentName.unflattenFromString(cn); |
| 451 | } |
| 452 | |
| 453 | private ComponentName getComponentName(ResolveInfo resolveInfo) { |
| 454 | if (resolveInfo == null || resolveInfo.serviceInfo == null) return null; |
| 455 | return new ComponentName(resolveInfo.serviceInfo.packageName, resolveInfo.serviceInfo.name); |
| 456 | } |
| 457 | |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 458 | private void maybeEnableFactoryTrustAgents(LockPatternUtils utils, int userId) { |
| 459 | if (0 != Settings.Secure.getIntForUser(mContext.getContentResolver(), |
| 460 | Settings.Secure.TRUST_AGENTS_INITIALIZED, 0, userId)) { |
| 461 | return; |
| 462 | } |
| 463 | PackageManager pm = mContext.getPackageManager(); |
| 464 | List<ResolveInfo> resolveInfos = resolveAllowedTrustAgents(pm, userId); |
| 465 | ArraySet<ComponentName> discoveredAgents = new ArraySet<>(); |
| 466 | for (ResolveInfo resolveInfo : resolveInfos) { |
| 467 | ComponentName componentName = getComponentName(resolveInfo); |
| 468 | int applicationInfoFlags = resolveInfo.serviceInfo.applicationInfo.flags; |
| 469 | if ((applicationInfoFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { |
| 470 | Log.i(TAG, "Leaving agent " + componentName + " disabled because package " |
| 471 | + "is not a system package."); |
| 472 | continue; |
| 473 | } |
| 474 | discoveredAgents.add(componentName); |
| 475 | } |
| 476 | |
| 477 | List<ComponentName> previouslyEnabledAgents = utils.getEnabledTrustAgents(userId); |
| 478 | if (previouslyEnabledAgents != null) { |
| 479 | discoveredAgents.addAll(previouslyEnabledAgents); |
| 480 | } |
| 481 | utils.setEnabledTrustAgents(discoveredAgents, userId); |
| 482 | Settings.Secure.putIntForUser(mContext.getContentResolver(), |
| 483 | Settings.Secure.TRUST_AGENTS_INITIALIZED, 1, userId); |
| 484 | } |
| 485 | |
| 486 | private List<ResolveInfo> resolveAllowedTrustAgents(PackageManager pm, int userId) { |
| 487 | List<ResolveInfo> resolveInfos = pm.queryIntentServicesAsUser(TRUST_AGENT_INTENT, |
| 488 | 0 /* flags */, userId); |
| 489 | ArrayList<ResolveInfo> allowedAgents = new ArrayList<>(resolveInfos.size()); |
| 490 | for (ResolveInfo resolveInfo : resolveInfos) { |
| 491 | if (resolveInfo.serviceInfo == null) continue; |
| 492 | if (resolveInfo.serviceInfo.applicationInfo == null) continue; |
| 493 | String packageName = resolveInfo.serviceInfo.packageName; |
| 494 | if (pm.checkPermission(PERMISSION_PROVIDE_AGENT, packageName) |
| 495 | != PackageManager.PERMISSION_GRANTED) { |
| 496 | ComponentName name = getComponentName(resolveInfo); |
| 497 | Log.w(TAG, "Skipping agent " + name + " because package does not have" |
| 498 | + " permission " + PERMISSION_PROVIDE_AGENT + "."); |
| 499 | continue; |
| 500 | } |
| 501 | allowedAgents.add(resolveInfo); |
| 502 | } |
| 503 | return allowedAgents; |
| 504 | } |
| 505 | |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 506 | // Agent dispatch and aggregation |
| 507 | |
| 508 | private boolean aggregateIsTrusted(int userId) { |
Adrian Roos | 7046bfd | 2014-05-16 21:20:54 +0200 | [diff] [blame] | 509 | if (!mUserHasAuthenticatedSinceBoot.get(userId)) { |
| 510 | return false; |
| 511 | } |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 512 | for (int i = 0; i < mActiveAgents.size(); i++) { |
| 513 | AgentInfo info = mActiveAgents.valueAt(i); |
| 514 | if (info.userId == userId) { |
| 515 | if (info.agent.isTrusted()) { |
| 516 | return true; |
| 517 | } |
| 518 | } |
| 519 | } |
| 520 | return false; |
| 521 | } |
| 522 | |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 523 | private boolean aggregateIsTrustManaged(int userId) { |
| 524 | if (!mUserHasAuthenticatedSinceBoot.get(userId)) { |
| 525 | return false; |
| 526 | } |
| 527 | for (int i = 0; i < mActiveAgents.size(); i++) { |
| 528 | AgentInfo info = mActiveAgents.valueAt(i); |
| 529 | if (info.userId == userId) { |
| 530 | if (info.agent.isManagingTrust()) { |
| 531 | return true; |
| 532 | } |
| 533 | } |
| 534 | } |
| 535 | return false; |
| 536 | } |
| 537 | |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 538 | private void dispatchUnlockAttempt(boolean successful, int userId) { |
| 539 | for (int i = 0; i < mActiveAgents.size(); i++) { |
| 540 | AgentInfo info = mActiveAgents.valueAt(i); |
| 541 | if (info.userId == userId) { |
| 542 | info.agent.onUnlockAttempt(successful); |
| 543 | } |
| 544 | } |
Adrian Roos | 7046bfd | 2014-05-16 21:20:54 +0200 | [diff] [blame] | 545 | |
Adrian Roos | 9dbe190 | 2014-08-13 18:25:52 +0200 | [diff] [blame] | 546 | if (successful) { |
| 547 | updateUserHasAuthenticated(userId); |
| 548 | } |
| 549 | } |
| 550 | |
| 551 | private void updateUserHasAuthenticated(int userId) { |
| 552 | if (!mUserHasAuthenticatedSinceBoot.get(userId)) { |
Adrian Roos | 7046bfd | 2014-05-16 21:20:54 +0200 | [diff] [blame] | 553 | mUserHasAuthenticatedSinceBoot.put(userId, true); |
Marco Fucci | 4e68f11 | 2014-08-29 12:31:48 -0700 | [diff] [blame] | 554 | refreshAgentList(userId); |
Adrian Roos | 7046bfd | 2014-05-16 21:20:54 +0200 | [diff] [blame] | 555 | } |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 556 | } |
| 557 | |
Adrian Roos | 2c12cfa | 2014-06-25 23:28:53 +0200 | [diff] [blame] | 558 | |
| 559 | private void requireCredentialEntry(int userId) { |
| 560 | if (userId == UserHandle.USER_ALL) { |
| 561 | mUserHasAuthenticatedSinceBoot.clear(); |
Marco Fucci | 4e68f11 | 2014-08-29 12:31:48 -0700 | [diff] [blame] | 562 | refreshAgentList(UserHandle.USER_ALL); |
Adrian Roos | 2c12cfa | 2014-06-25 23:28:53 +0200 | [diff] [blame] | 563 | } else { |
| 564 | mUserHasAuthenticatedSinceBoot.put(userId, false); |
Marco Fucci | 4e68f11 | 2014-08-29 12:31:48 -0700 | [diff] [blame] | 565 | refreshAgentList(userId); |
Adrian Roos | 2c12cfa | 2014-06-25 23:28:53 +0200 | [diff] [blame] | 566 | } |
| 567 | } |
| 568 | |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 569 | // Listeners |
| 570 | |
| 571 | private void addListener(ITrustListener listener) { |
| 572 | for (int i = 0; i < mTrustListeners.size(); i++) { |
| 573 | if (mTrustListeners.get(i).asBinder() == listener.asBinder()) { |
| 574 | return; |
| 575 | } |
| 576 | } |
| 577 | mTrustListeners.add(listener); |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 578 | updateTrustAll(); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 579 | } |
| 580 | |
| 581 | private void removeListener(ITrustListener listener) { |
| 582 | for (int i = 0; i < mTrustListeners.size(); i++) { |
| 583 | if (mTrustListeners.get(i).asBinder() == listener.asBinder()) { |
Jay Civelli | 979a32e | 2014-07-18 16:47:36 -0700 | [diff] [blame] | 584 | mTrustListeners.remove(i); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 585 | return; |
| 586 | } |
| 587 | } |
| 588 | } |
| 589 | |
Adrian Roos | 3c9a350 | 2014-08-06 19:09:45 +0200 | [diff] [blame] | 590 | private void dispatchOnTrustChanged(boolean enabled, int userId, boolean initiatedByUser) { |
| 591 | if (!enabled) initiatedByUser = false; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 592 | for (int i = 0; i < mTrustListeners.size(); i++) { |
| 593 | try { |
Adrian Roos | 3c9a350 | 2014-08-06 19:09:45 +0200 | [diff] [blame] | 594 | mTrustListeners.get(i).onTrustChanged(enabled, userId, initiatedByUser); |
Adrian Roos | a4ba56b | 2014-05-20 12:56:25 +0200 | [diff] [blame] | 595 | } catch (DeadObjectException e) { |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 596 | Slog.d(TAG, "Removing dead TrustListener."); |
| 597 | mTrustListeners.remove(i); |
| 598 | i--; |
| 599 | } catch (RemoteException e) { |
| 600 | Slog.e(TAG, "Exception while notifying TrustListener.", e); |
| 601 | } |
| 602 | } |
| 603 | } |
| 604 | |
| 605 | private void dispatchOnTrustManagedChanged(boolean managed, int userId) { |
| 606 | for (int i = 0; i < mTrustListeners.size(); i++) { |
| 607 | try { |
| 608 | mTrustListeners.get(i).onTrustManagedChanged(managed, userId); |
| 609 | } catch (DeadObjectException e) { |
| 610 | Slog.d(TAG, "Removing dead TrustListener."); |
Adrian Roos | a4ba56b | 2014-05-20 12:56:25 +0200 | [diff] [blame] | 611 | mTrustListeners.remove(i); |
| 612 | i--; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 613 | } catch (RemoteException e) { |
Adrian Roos | a4ba56b | 2014-05-20 12:56:25 +0200 | [diff] [blame] | 614 | Slog.e(TAG, "Exception while notifying TrustListener.", e); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 615 | } |
| 616 | } |
| 617 | } |
| 618 | |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 619 | // User lifecycle |
| 620 | |
| 621 | @Override |
| 622 | public void onStartUser(int userId) { |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 623 | mHandler.obtainMessage(MSG_START_USER, userId, 0, null).sendToTarget(); |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 624 | } |
| 625 | |
| 626 | @Override |
| 627 | public void onCleanupUser(int userId) { |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 628 | mHandler.obtainMessage(MSG_CLEANUP_USER, userId, 0, null).sendToTarget(); |
| 629 | } |
| 630 | |
| 631 | @Override |
| 632 | public void onSwitchUser(int userId) { |
| 633 | mHandler.obtainMessage(MSG_SWITCH_USER, userId, 0, null).sendToTarget(); |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 634 | } |
| 635 | |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 636 | // Plumbing |
| 637 | |
| 638 | private final IBinder mService = new ITrustManager.Stub() { |
| 639 | @Override |
| 640 | public void reportUnlockAttempt(boolean authenticated, int userId) throws RemoteException { |
| 641 | enforceReportPermission(); |
| 642 | mHandler.obtainMessage(MSG_DISPATCH_UNLOCK_ATTEMPT, authenticated ? 1 : 0, userId) |
| 643 | .sendToTarget(); |
| 644 | } |
| 645 | |
| 646 | @Override |
| 647 | public void reportEnabledTrustAgentsChanged(int userId) throws RemoteException { |
| 648 | enforceReportPermission(); |
| 649 | // coalesce refresh messages. |
| 650 | mHandler.removeMessages(MSG_ENABLED_AGENTS_CHANGED); |
| 651 | mHandler.sendEmptyMessage(MSG_ENABLED_AGENTS_CHANGED); |
| 652 | } |
| 653 | |
| 654 | @Override |
Adrian Roos | 2c12cfa | 2014-06-25 23:28:53 +0200 | [diff] [blame] | 655 | public void reportRequireCredentialEntry(int userId) throws RemoteException { |
| 656 | enforceReportPermission(); |
| 657 | if (userId == UserHandle.USER_ALL || userId >= UserHandle.USER_OWNER) { |
| 658 | mHandler.obtainMessage(MSG_REQUIRE_CREDENTIAL_ENTRY, userId, 0).sendToTarget(); |
| 659 | } else { |
| 660 | throw new IllegalArgumentException( |
| 661 | "userId must be an explicit user id or USER_ALL"); |
| 662 | } |
| 663 | } |
| 664 | |
| 665 | @Override |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 666 | public void reportKeyguardShowingChanged() throws RemoteException { |
| 667 | enforceReportPermission(); |
| 668 | // coalesce refresh messages. |
| 669 | mHandler.removeMessages(MSG_KEYGUARD_SHOWING_CHANGED); |
| 670 | mHandler.sendEmptyMessage(MSG_KEYGUARD_SHOWING_CHANGED); |
| 671 | } |
| 672 | |
| 673 | @Override |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 674 | public void registerTrustListener(ITrustListener trustListener) throws RemoteException { |
| 675 | enforceListenerPermission(); |
| 676 | mHandler.obtainMessage(MSG_REGISTER_LISTENER, trustListener).sendToTarget(); |
| 677 | } |
| 678 | |
| 679 | @Override |
| 680 | public void unregisterTrustListener(ITrustListener trustListener) throws RemoteException { |
| 681 | enforceListenerPermission(); |
| 682 | mHandler.obtainMessage(MSG_UNREGISTER_LISTENER, trustListener).sendToTarget(); |
| 683 | } |
| 684 | |
Adrian Roos | bcd0765 | 2014-10-22 16:57:16 +0200 | [diff] [blame] | 685 | @Override |
Adrian Roos | 50bfeec | 2014-11-20 16:21:11 +0100 | [diff] [blame] | 686 | public boolean isDeviceLocked(int userId) throws RemoteException { |
Adrian Roos | bcd0765 | 2014-10-22 16:57:16 +0200 | [diff] [blame] | 687 | userId = ActivityManager.handleIncomingUser(getCallingPid(), getCallingUid(), userId, |
Adrian Roos | 50bfeec | 2014-11-20 16:21:11 +0100 | [diff] [blame] | 688 | false /* allowAll */, true /* requireFull */, "isDeviceLocked", null); |
Adrian Roos | bcd0765 | 2014-10-22 16:57:16 +0200 | [diff] [blame] | 689 | userId = resolveProfileParent(userId); |
Adrian Roos | 50bfeec | 2014-11-20 16:21:11 +0100 | [diff] [blame] | 690 | |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 691 | return isDeviceLockedInner(userId); |
Adrian Roos | bcd0765 | 2014-10-22 16:57:16 +0200 | [diff] [blame] | 692 | } |
| 693 | |
Adrian Roos | 8289368 | 2015-04-02 16:17:46 +0200 | [diff] [blame] | 694 | @Override |
| 695 | public boolean isDeviceSecure(int userId) throws RemoteException { |
| 696 | userId = ActivityManager.handleIncomingUser(getCallingPid(), getCallingUid(), userId, |
| 697 | false /* allowAll */, true /* requireFull */, "isDeviceSecure", null); |
| 698 | userId = resolveProfileParent(userId); |
| 699 | |
| 700 | long token = Binder.clearCallingIdentity(); |
| 701 | try { |
| 702 | return new LockPatternUtils(mContext).isSecure(userId); |
| 703 | } finally { |
| 704 | Binder.restoreCallingIdentity(token); |
| 705 | } |
| 706 | } |
| 707 | |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 708 | private void enforceReportPermission() { |
Adrian Roos | 2c12cfa | 2014-06-25 23:28:53 +0200 | [diff] [blame] | 709 | mContext.enforceCallingOrSelfPermission( |
| 710 | Manifest.permission.ACCESS_KEYGUARD_SECURE_STORAGE, "reporting trust events"); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 711 | } |
| 712 | |
| 713 | private void enforceListenerPermission() { |
| 714 | mContext.enforceCallingPermission(Manifest.permission.TRUST_LISTENER, |
| 715 | "register trust listener"); |
| 716 | } |
Adrian Roos | 7a4f3d4 | 2014-05-02 12:12:20 +0200 | [diff] [blame] | 717 | |
| 718 | @Override |
| 719 | protected void dump(FileDescriptor fd, final PrintWriter fout, String[] args) { |
| 720 | mContext.enforceCallingPermission(Manifest.permission.DUMP, |
| 721 | "dumping TrustManagerService"); |
Adrian Roos | 49d5345 | 2014-10-24 15:48:39 +0200 | [diff] [blame] | 722 | if (isSafeMode()) { |
| 723 | fout.println("disabled because the system is in safe mode."); |
| 724 | return; |
| 725 | } |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 726 | if (!mTrustAgentsCanRun) { |
| 727 | fout.println("disabled because the third-party apps can't run yet."); |
| 728 | return; |
| 729 | } |
Adrian Roos | 7a4f3d4 | 2014-05-02 12:12:20 +0200 | [diff] [blame] | 730 | final List<UserInfo> userInfos = mUserManager.getUsers(true /* excludeDying */); |
Adrian Roos | 7a4f3d4 | 2014-05-02 12:12:20 +0200 | [diff] [blame] | 731 | mHandler.runWithScissors(new Runnable() { |
| 732 | @Override |
| 733 | public void run() { |
| 734 | fout.println("Trust manager state:"); |
| 735 | for (UserInfo user : userInfos) { |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 736 | dumpUser(fout, user, user.id == mCurrentUser); |
Adrian Roos | 7a4f3d4 | 2014-05-02 12:12:20 +0200 | [diff] [blame] | 737 | } |
| 738 | } |
| 739 | }, 1500); |
| 740 | } |
| 741 | |
| 742 | private void dumpUser(PrintWriter fout, UserInfo user, boolean isCurrent) { |
| 743 | fout.printf(" User \"%s\" (id=%d, flags=%#x)", |
| 744 | user.name, user.id, user.flags); |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 745 | if (!user.supportsSwitchTo()) { |
| 746 | fout.println("(managed profile)"); |
| 747 | fout.println(" disabled because switching to this user is not possible."); |
| 748 | return; |
| 749 | } |
Adrian Roos | 7a4f3d4 | 2014-05-02 12:12:20 +0200 | [diff] [blame] | 750 | if (isCurrent) { |
| 751 | fout.print(" (current)"); |
| 752 | } |
| 753 | fout.print(": trusted=" + dumpBool(aggregateIsTrusted(user.id))); |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 754 | fout.print(", trustManaged=" + dumpBool(aggregateIsTrustManaged(user.id))); |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 755 | fout.print(", deviceLocked=" + dumpBool(isDeviceLockedInner(user.id))); |
Adrian Roos | 7a4f3d4 | 2014-05-02 12:12:20 +0200 | [diff] [blame] | 756 | fout.println(); |
| 757 | fout.println(" Enabled agents:"); |
| 758 | boolean duplicateSimpleNames = false; |
| 759 | ArraySet<String> simpleNames = new ArraySet<String>(); |
| 760 | for (AgentInfo info : mActiveAgents) { |
| 761 | if (info.userId != user.id) { continue; } |
| 762 | boolean trusted = info.agent.isTrusted(); |
| 763 | fout.print(" "); fout.println(info.component.flattenToShortString()); |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 764 | fout.print(" bound=" + dumpBool(info.agent.isBound())); |
| 765 | fout.print(", connected=" + dumpBool(info.agent.isConnected())); |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 766 | fout.print(", managingTrust=" + dumpBool(info.agent.isManagingTrust())); |
| 767 | fout.print(", trusted=" + dumpBool(trusted)); |
| 768 | fout.println(); |
Adrian Roos | 7a4f3d4 | 2014-05-02 12:12:20 +0200 | [diff] [blame] | 769 | if (trusted) { |
| 770 | fout.println(" message=\"" + info.agent.getMessage() + "\""); |
| 771 | } |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 772 | if (!info.agent.isConnected()) { |
| 773 | String restartTime = TrustArchive.formatDuration( |
| 774 | info.agent.getScheduledRestartUptimeMillis() |
| 775 | - SystemClock.uptimeMillis()); |
| 776 | fout.println(" restartScheduledAt=" + restartTime); |
| 777 | } |
Adrian Roos | 7a4f3d4 | 2014-05-02 12:12:20 +0200 | [diff] [blame] | 778 | if (!simpleNames.add(TrustArchive.getSimpleName(info.component))) { |
| 779 | duplicateSimpleNames = true; |
| 780 | } |
| 781 | } |
| 782 | fout.println(" Events:"); |
| 783 | mArchive.dump(fout, 50, user.id, " " /* linePrefix */, duplicateSimpleNames); |
| 784 | fout.println(); |
| 785 | } |
| 786 | |
| 787 | private String dumpBool(boolean b) { |
| 788 | return b ? "1" : "0"; |
| 789 | } |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 790 | }; |
| 791 | |
Adrian Roos | bcd0765 | 2014-10-22 16:57:16 +0200 | [diff] [blame] | 792 | private int resolveProfileParent(int userId) { |
| 793 | long identity = Binder.clearCallingIdentity(); |
| 794 | try { |
| 795 | UserInfo parent = mUserManager.getProfileParent(userId); |
| 796 | if (parent != null) { |
| 797 | return parent.getUserHandle().getIdentifier(); |
| 798 | } |
| 799 | return userId; |
| 800 | } finally { |
| 801 | Binder.restoreCallingIdentity(identity); |
| 802 | } |
| 803 | } |
| 804 | |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 805 | private final Handler mHandler = new Handler() { |
| 806 | @Override |
| 807 | public void handleMessage(Message msg) { |
| 808 | switch (msg.what) { |
| 809 | case MSG_REGISTER_LISTENER: |
| 810 | addListener((ITrustListener) msg.obj); |
| 811 | break; |
| 812 | case MSG_UNREGISTER_LISTENER: |
| 813 | removeListener((ITrustListener) msg.obj); |
| 814 | break; |
| 815 | case MSG_DISPATCH_UNLOCK_ATTEMPT: |
| 816 | dispatchUnlockAttempt(msg.arg1 != 0, msg.arg2); |
| 817 | break; |
| 818 | case MSG_ENABLED_AGENTS_CHANGED: |
Marco Fucci | 4e68f11 | 2014-08-29 12:31:48 -0700 | [diff] [blame] | 819 | refreshAgentList(UserHandle.USER_ALL); |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 820 | // This is also called when the security mode of a user changes. |
| 821 | refreshDeviceLockedForUser(UserHandle.USER_ALL); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 822 | break; |
Adrian Roos | 2c12cfa | 2014-06-25 23:28:53 +0200 | [diff] [blame] | 823 | case MSG_REQUIRE_CREDENTIAL_ENTRY: |
| 824 | requireCredentialEntry(msg.arg1); |
| 825 | break; |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 826 | case MSG_KEYGUARD_SHOWING_CHANGED: |
Adrian Roos | 7e2e40e | 2014-11-21 15:27:12 +0100 | [diff] [blame] | 827 | refreshDeviceLockedForUser(mCurrentUser); |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 828 | break; |
| 829 | case MSG_START_USER: |
| 830 | case MSG_CLEANUP_USER: |
| 831 | refreshAgentList(msg.arg1); |
| 832 | break; |
| 833 | case MSG_SWITCH_USER: |
| 834 | mCurrentUser = msg.arg1; |
| 835 | refreshDeviceLockedForUser(UserHandle.USER_ALL); |
| 836 | break; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 837 | } |
| 838 | } |
| 839 | }; |
| 840 | |
| 841 | private final PackageMonitor mPackageMonitor = new PackageMonitor() { |
| 842 | @Override |
| 843 | public void onSomePackagesChanged() { |
Marco Fucci | 4e68f11 | 2014-08-29 12:31:48 -0700 | [diff] [blame] | 844 | refreshAgentList(UserHandle.USER_ALL); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 845 | } |
| 846 | |
| 847 | @Override |
| 848 | public boolean onPackageChanged(String packageName, int uid, String[] components) { |
| 849 | // We're interested in all changes, even if just some components get enabled / disabled. |
| 850 | return true; |
| 851 | } |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 852 | |
| 853 | @Override |
| 854 | public void onPackageDisappeared(String packageName, int reason) { |
| 855 | removeAgentsOfPackage(packageName); |
| 856 | } |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 857 | }; |
Adrian Roos | ca36b95 | 2014-05-16 18:52:29 +0200 | [diff] [blame] | 858 | |
Adrian Roos | 9dbe190 | 2014-08-13 18:25:52 +0200 | [diff] [blame] | 859 | private class Receiver extends BroadcastReceiver { |
Adrian Roos | ca36b95 | 2014-05-16 18:52:29 +0200 | [diff] [blame] | 860 | |
| 861 | @Override |
| 862 | public void onReceive(Context context, Intent intent) { |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 863 | String action = intent.getAction(); |
| 864 | if (DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED.equals(action)) { |
Marco Fucci | 4e68f11 | 2014-08-29 12:31:48 -0700 | [diff] [blame] | 865 | refreshAgentList(getSendingUserId()); |
| 866 | updateDevicePolicyFeatures(); |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 867 | } else if (Intent.ACTION_USER_PRESENT.equals(action)) { |
Adrian Roos | 9dbe190 | 2014-08-13 18:25:52 +0200 | [diff] [blame] | 868 | updateUserHasAuthenticated(getSendingUserId()); |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 869 | } else if (Intent.ACTION_USER_ADDED.equals(action)) { |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 870 | int userId = getUserId(intent); |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 871 | if (userId > 0) { |
| 872 | maybeEnableFactoryTrustAgents(mLockPatternUtils, userId); |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 873 | } |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 874 | } else if (Intent.ACTION_USER_REMOVED.equals(action)) { |
| 875 | int userId = getUserId(intent); |
| 876 | if (userId > 0) { |
| 877 | mUserHasAuthenticatedSinceBoot.delete(userId); |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 878 | synchronized (mUserIsTrusted) { |
| 879 | mUserIsTrusted.delete(userId); |
| 880 | } |
| 881 | synchronized (mDeviceLockedForUser) { |
| 882 | mDeviceLockedForUser.delete(userId); |
| 883 | } |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 884 | refreshAgentList(userId); |
Adrian Roos | 481a6df | 2014-11-20 19:48:56 +0100 | [diff] [blame] | 885 | refreshDeviceLockedForUser(userId); |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 886 | } |
| 887 | } |
| 888 | } |
| 889 | |
| 890 | private int getUserId(Intent intent) { |
| 891 | int userId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, -100); |
| 892 | if (userId > 0) { |
| 893 | return userId; |
| 894 | } else { |
| 895 | Slog.wtf(TAG, "EXTRA_USER_HANDLE missing or invalid, value=" + userId); |
| 896 | return -100; |
Adrian Roos | ca36b95 | 2014-05-16 18:52:29 +0200 | [diff] [blame] | 897 | } |
| 898 | } |
| 899 | |
| 900 | public void register(Context context) { |
Adrian Roos | 9dbe190 | 2014-08-13 18:25:52 +0200 | [diff] [blame] | 901 | IntentFilter filter = new IntentFilter(); |
| 902 | filter.addAction(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); |
| 903 | filter.addAction(Intent.ACTION_USER_PRESENT); |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame] | 904 | filter.addAction(Intent.ACTION_USER_ADDED); |
Adrian Roos | cbe614f | 2014-10-28 20:16:12 +0100 | [diff] [blame] | 905 | filter.addAction(Intent.ACTION_USER_REMOVED); |
Adrian Roos | ca36b95 | 2014-05-16 18:52:29 +0200 | [diff] [blame] | 906 | context.registerReceiverAsUser(this, |
| 907 | UserHandle.ALL, |
Adrian Roos | 9dbe190 | 2014-08-13 18:25:52 +0200 | [diff] [blame] | 908 | filter, |
Adrian Roos | ca36b95 | 2014-05-16 18:52:29 +0200 | [diff] [blame] | 909 | null /* permission */, |
| 910 | null /* scheduler */); |
| 911 | } |
| 912 | } |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 913 | } |