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 | |
| 19 | import com.android.internal.content.PackageMonitor; |
| 20 | import com.android.internal.widget.LockPatternUtils; |
| 21 | import com.android.server.SystemService; |
| 22 | |
| 23 | import org.xmlpull.v1.XmlPullParser; |
| 24 | import org.xmlpull.v1.XmlPullParserException; |
| 25 | |
| 26 | import android.Manifest; |
Adrian Roos | 7a4f3d4 | 2014-05-02 12:12:20 +0200 | [diff] [blame] | 27 | import android.app.ActivityManagerNative; |
Adrian Roos | ca36b95 | 2014-05-16 18:52:29 +0200 | [diff] [blame] | 28 | import android.app.admin.DevicePolicyManager; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 29 | import android.app.trust.ITrustListener; |
| 30 | import android.app.trust.ITrustManager; |
Adrian Roos | ca36b95 | 2014-05-16 18:52:29 +0200 | [diff] [blame] | 31 | import android.content.BroadcastReceiver; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 32 | import android.content.ComponentName; |
| 33 | import android.content.Context; |
| 34 | import android.content.Intent; |
Adrian Roos | ca36b95 | 2014-05-16 18:52:29 +0200 | [diff] [blame] | 35 | import android.content.IntentFilter; |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame^] | 36 | import android.content.pm.ApplicationInfo; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 37 | import android.content.pm.PackageManager; |
| 38 | import android.content.pm.ResolveInfo; |
| 39 | import android.content.pm.UserInfo; |
| 40 | import android.content.res.Resources; |
| 41 | import android.content.res.TypedArray; |
| 42 | import android.content.res.XmlResourceParser; |
| 43 | import android.graphics.drawable.Drawable; |
Adrian Roos | a4ba56b | 2014-05-20 12:56:25 +0200 | [diff] [blame] | 44 | import android.os.DeadObjectException; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 45 | import android.os.Handler; |
| 46 | import android.os.IBinder; |
| 47 | import android.os.Message; |
| 48 | import android.os.RemoteException; |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 49 | import android.os.SystemClock; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 50 | import android.os.UserHandle; |
| 51 | import android.os.UserManager; |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame^] | 52 | import android.provider.Settings; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 53 | import android.service.trust.TrustAgentService; |
| 54 | import android.util.ArraySet; |
| 55 | import android.util.AttributeSet; |
Adrian Roos | 18ea893 | 2014-05-28 14:53:06 +0200 | [diff] [blame] | 56 | import android.util.Log; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 57 | import android.util.Slog; |
Adrian Roos | 7046bfd | 2014-05-16 21:20:54 +0200 | [diff] [blame] | 58 | import android.util.SparseBooleanArray; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 59 | import android.util.Xml; |
| 60 | |
Adrian Roos | 7a4f3d4 | 2014-05-02 12:12:20 +0200 | [diff] [blame] | 61 | import java.io.FileDescriptor; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 62 | import java.io.IOException; |
Adrian Roos | 7a4f3d4 | 2014-05-02 12:12:20 +0200 | [diff] [blame] | 63 | import java.io.PrintWriter; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 64 | import java.util.ArrayList; |
| 65 | import java.util.List; |
| 66 | |
| 67 | /** |
| 68 | * Manages trust agents and trust listeners. |
| 69 | * |
| 70 | * It is responsible for binding to the enabled {@link android.service.trust.TrustAgentService}s |
| 71 | * of each user and notifies them about events that are relevant to them. |
| 72 | * It start and stops them based on the value of |
| 73 | * {@link com.android.internal.widget.LockPatternUtils#getEnabledTrustAgents(int)}. |
| 74 | * |
| 75 | * It also keeps a set of {@link android.app.trust.ITrustListener}s that are notified whenever the |
| 76 | * trust state changes for any user. |
| 77 | * |
| 78 | * Trust state and the setting of enabled agents is kept per user and each user has its own |
| 79 | * instance of a {@link android.service.trust.TrustAgentService}. |
| 80 | */ |
| 81 | public class TrustManagerService extends SystemService { |
| 82 | |
| 83 | private static final boolean DEBUG = false; |
| 84 | private static final String TAG = "TrustManagerService"; |
| 85 | |
| 86 | private static final Intent TRUST_AGENT_INTENT = |
| 87 | new Intent(TrustAgentService.SERVICE_INTERFACE); |
Adrian Roos | 18ea893 | 2014-05-28 14:53:06 +0200 | [diff] [blame] | 88 | private static final String PERMISSION_PROVIDE_AGENT = Manifest.permission.PROVIDE_TRUST_AGENT; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 89 | |
| 90 | private static final int MSG_REGISTER_LISTENER = 1; |
| 91 | private static final int MSG_UNREGISTER_LISTENER = 2; |
| 92 | private static final int MSG_DISPATCH_UNLOCK_ATTEMPT = 3; |
| 93 | private static final int MSG_ENABLED_AGENTS_CHANGED = 4; |
Adrian Roos | 2c12cfa | 2014-06-25 23:28:53 +0200 | [diff] [blame] | 94 | private static final int MSG_REQUIRE_CREDENTIAL_ENTRY = 5; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 95 | |
| 96 | private final ArraySet<AgentInfo> mActiveAgents = new ArraySet<AgentInfo>(); |
| 97 | private final ArrayList<ITrustListener> mTrustListeners = new ArrayList<ITrustListener>(); |
Adrian Roos | 9dbe190 | 2014-08-13 18:25:52 +0200 | [diff] [blame] | 98 | private final Receiver mReceiver = new Receiver(); |
Adrian Roos | 7046bfd | 2014-05-16 21:20:54 +0200 | [diff] [blame] | 99 | private final SparseBooleanArray mUserHasAuthenticatedSinceBoot = new SparseBooleanArray(); |
Adrian Roos | 7a4f3d4 | 2014-05-02 12:12:20 +0200 | [diff] [blame] | 100 | /* package */ final TrustArchive mArchive = new TrustArchive(); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 101 | private final Context mContext; |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame^] | 102 | private final LockPatternUtils mLockPatternUtils; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 103 | |
| 104 | private UserManager mUserManager; |
| 105 | |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 106 | public TrustManagerService(Context context) { |
| 107 | super(context); |
| 108 | mContext = context; |
| 109 | mUserManager = (UserManager) mContext.getSystemService(Context.USER_SERVICE); |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame^] | 110 | mLockPatternUtils = new LockPatternUtils(context); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 111 | } |
| 112 | |
| 113 | @Override |
| 114 | public void onStart() { |
| 115 | publishBinderService(Context.TRUST_SERVICE, mService); |
| 116 | } |
| 117 | |
| 118 | @Override |
| 119 | public void onBootPhase(int phase) { |
| 120 | if (phase == SystemService.PHASE_SYSTEM_SERVICES_READY && !isSafeMode()) { |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 121 | mPackageMonitor.register(mContext, mHandler.getLooper(), UserHandle.ALL, true); |
Adrian Roos | 9dbe190 | 2014-08-13 18:25:52 +0200 | [diff] [blame] | 122 | mReceiver.register(mContext); |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame^] | 123 | maybeEnableFactoryTrustAgents(mLockPatternUtils, UserHandle.USER_OWNER); |
Marco Fucci | 4e68f11 | 2014-08-29 12:31:48 -0700 | [diff] [blame] | 124 | refreshAgentList(UserHandle.USER_ALL); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 125 | } |
| 126 | } |
| 127 | |
| 128 | // Agent management |
| 129 | |
| 130 | private static final class AgentInfo { |
| 131 | CharSequence label; |
| 132 | Drawable icon; |
| 133 | ComponentName component; // service that implements ITrustAgent |
| 134 | ComponentName settings; // setting to launch to modify agent. |
| 135 | TrustAgentWrapper agent; |
| 136 | int userId; |
| 137 | |
| 138 | @Override |
| 139 | public boolean equals(Object other) { |
| 140 | if (!(other instanceof AgentInfo)) { |
| 141 | return false; |
| 142 | } |
| 143 | AgentInfo o = (AgentInfo) other; |
| 144 | return component.equals(o.component) && userId == o.userId; |
| 145 | } |
| 146 | |
| 147 | @Override |
| 148 | public int hashCode() { |
| 149 | return component.hashCode() * 31 + userId; |
| 150 | } |
| 151 | } |
| 152 | |
| 153 | private void updateTrustAll() { |
| 154 | List<UserInfo> userInfos = mUserManager.getUsers(true /* excludeDying */); |
| 155 | for (UserInfo userInfo : userInfos) { |
Adrian Roos | 3c9a350 | 2014-08-06 19:09:45 +0200 | [diff] [blame] | 156 | updateTrust(userInfo.id, false); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 157 | } |
| 158 | } |
| 159 | |
Adrian Roos | 3c9a350 | 2014-08-06 19:09:45 +0200 | [diff] [blame] | 160 | public void updateTrust(int userId, boolean initiatedByUser) { |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 161 | dispatchOnTrustManagedChanged(aggregateIsTrustManaged(userId), userId); |
Adrian Roos | 3c9a350 | 2014-08-06 19:09:45 +0200 | [diff] [blame] | 162 | dispatchOnTrustChanged(aggregateIsTrusted(userId), userId, initiatedByUser); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 163 | } |
| 164 | |
Marco Fucci | 4e68f11 | 2014-08-29 12:31:48 -0700 | [diff] [blame] | 165 | void refreshAgentList(int userId) { |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 166 | if (DEBUG) Slog.d(TAG, "refreshAgentList()"); |
| 167 | PackageManager pm = mContext.getPackageManager(); |
| 168 | |
Marco Fucci | 4e68f11 | 2014-08-29 12:31:48 -0700 | [diff] [blame] | 169 | List<UserInfo> userInfos; |
| 170 | if (userId == UserHandle.USER_ALL) { |
| 171 | userInfos = mUserManager.getUsers(true /* excludeDying */); |
| 172 | } else { |
| 173 | userInfos = new ArrayList<>(); |
| 174 | userInfos.add(mUserManager.getUserInfo(userId)); |
| 175 | } |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame^] | 176 | LockPatternUtils lockPatternUtils = mLockPatternUtils; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 177 | |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 178 | ArraySet<AgentInfo> obsoleteAgents = new ArraySet<>(); |
| 179 | obsoleteAgents.addAll(mActiveAgents); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 180 | |
| 181 | for (UserInfo userInfo : userInfos) { |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame^] | 182 | if (!userInfo.supportsSwitchTo()) continue; |
Adrian Roos | 1572ee3 | 2014-09-01 16:24:32 +0200 | [diff] [blame] | 183 | if (lockPatternUtils.getKeyguardStoredPasswordQuality(userInfo.id) |
Adrian Roos | 4b9e324 | 2014-08-20 23:36:25 +0200 | [diff] [blame] | 184 | == DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) continue; |
Marco Fucci | 4e68f11 | 2014-08-29 12:31:48 -0700 | [diff] [blame] | 185 | if (!mUserHasAuthenticatedSinceBoot.get(userInfo.id)) continue; |
Adrian Roos | 8f21158 | 2014-07-29 15:09:57 +0200 | [diff] [blame] | 186 | DevicePolicyManager dpm = lockPatternUtils.getDevicePolicyManager(); |
| 187 | int disabledFeatures = dpm.getKeyguardDisabledFeatures(null, userInfo.id); |
Jim Miller | 604e755 | 2014-07-18 19:00:02 -0700 | [diff] [blame] | 188 | final boolean disableTrustAgents = |
Adrian Roos | ca36b95 | 2014-05-16 18:52:29 +0200 | [diff] [blame] | 189 | (disabledFeatures & DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS) != 0; |
| 190 | |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 191 | List<ComponentName> enabledAgents = lockPatternUtils.getEnabledTrustAgents(userInfo.id); |
Adrian Roos | 8f21158 | 2014-07-29 15:09:57 +0200 | [diff] [blame] | 192 | if (enabledAgents == null) { |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 193 | continue; |
| 194 | } |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame^] | 195 | List<ResolveInfo> resolveInfos = resolveAllowedTrustAgents(pm, userInfo.id); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 196 | for (ResolveInfo resolveInfo : resolveInfos) { |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 197 | ComponentName name = getComponentName(resolveInfo); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 198 | |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame^] | 199 | if (!enabledAgents.contains(name)) continue; |
Adrian Roos | 8f21158 | 2014-07-29 15:09:57 +0200 | [diff] [blame] | 200 | if (disableTrustAgents) { |
| 201 | List<String> features = |
| 202 | dpm.getTrustAgentFeaturesEnabled(null /* admin */, name); |
| 203 | // Disable agent if no features are enabled. |
| 204 | if (features == null || features.isEmpty()) continue; |
| 205 | } |
| 206 | |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 207 | AgentInfo agentInfo = new AgentInfo(); |
| 208 | agentInfo.component = name; |
| 209 | agentInfo.userId = userInfo.id; |
| 210 | if (!mActiveAgents.contains(agentInfo)) { |
| 211 | agentInfo.label = resolveInfo.loadLabel(pm); |
| 212 | agentInfo.icon = resolveInfo.loadIcon(pm); |
| 213 | agentInfo.settings = getSettingsComponentName(pm, resolveInfo); |
| 214 | agentInfo.agent = new TrustAgentWrapper(mContext, this, |
| 215 | new Intent().setComponent(name), userInfo.getUserHandle()); |
| 216 | mActiveAgents.add(agentInfo); |
| 217 | } else { |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 218 | obsoleteAgents.remove(agentInfo); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 219 | } |
| 220 | } |
| 221 | } |
| 222 | |
| 223 | boolean trustMayHaveChanged = false; |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 224 | for (int i = 0; i < obsoleteAgents.size(); i++) { |
| 225 | AgentInfo info = obsoleteAgents.valueAt(i); |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 226 | if (info.agent.isManagingTrust()) { |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 227 | trustMayHaveChanged = true; |
| 228 | } |
| 229 | info.agent.unbind(); |
Adrian Roos | a595642 | 2014-04-30 18:23:38 +0200 | [diff] [blame] | 230 | mActiveAgents.remove(info); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 231 | } |
| 232 | |
| 233 | if (trustMayHaveChanged) { |
| 234 | updateTrustAll(); |
| 235 | } |
| 236 | } |
| 237 | |
Marco Fucci | 4e68f11 | 2014-08-29 12:31:48 -0700 | [diff] [blame] | 238 | void updateDevicePolicyFeatures() { |
Adrian Roos | 8f21158 | 2014-07-29 15:09:57 +0200 | [diff] [blame] | 239 | for (int i = 0; i < mActiveAgents.size(); i++) { |
| 240 | AgentInfo info = mActiveAgents.valueAt(i); |
| 241 | if (info.agent.isConnected()) { |
| 242 | info.agent.updateDevicePolicyFeatures(); |
| 243 | } |
| 244 | } |
| 245 | } |
| 246 | |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 247 | private void removeAgentsOfPackage(String packageName) { |
| 248 | boolean trustMayHaveChanged = false; |
| 249 | for (int i = mActiveAgents.size() - 1; i >= 0; i--) { |
| 250 | AgentInfo info = mActiveAgents.valueAt(i); |
| 251 | if (packageName.equals(info.component.getPackageName())) { |
| 252 | Log.i(TAG, "Resetting agent " + info.component.flattenToShortString()); |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 253 | if (info.agent.isManagingTrust()) { |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 254 | trustMayHaveChanged = true; |
| 255 | } |
| 256 | info.agent.unbind(); |
| 257 | mActiveAgents.removeAt(i); |
| 258 | } |
| 259 | } |
| 260 | if (trustMayHaveChanged) { |
| 261 | updateTrustAll(); |
| 262 | } |
| 263 | } |
| 264 | |
| 265 | public void resetAgent(ComponentName name, int userId) { |
| 266 | boolean trustMayHaveChanged = false; |
| 267 | for (int i = mActiveAgents.size() - 1; i >= 0; i--) { |
| 268 | AgentInfo info = mActiveAgents.valueAt(i); |
| 269 | if (name.equals(info.component) && userId == info.userId) { |
| 270 | Log.i(TAG, "Resetting agent " + info.component.flattenToShortString()); |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 271 | if (info.agent.isManagingTrust()) { |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 272 | trustMayHaveChanged = true; |
| 273 | } |
| 274 | info.agent.unbind(); |
| 275 | mActiveAgents.removeAt(i); |
| 276 | } |
| 277 | } |
| 278 | if (trustMayHaveChanged) { |
Adrian Roos | 3c9a350 | 2014-08-06 19:09:45 +0200 | [diff] [blame] | 279 | updateTrust(userId, false); |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 280 | } |
Marco Fucci | 4e68f11 | 2014-08-29 12:31:48 -0700 | [diff] [blame] | 281 | refreshAgentList(userId); |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 282 | } |
| 283 | |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 284 | private ComponentName getSettingsComponentName(PackageManager pm, ResolveInfo resolveInfo) { |
| 285 | if (resolveInfo == null || resolveInfo.serviceInfo == null |
| 286 | || resolveInfo.serviceInfo.metaData == null) return null; |
| 287 | String cn = null; |
| 288 | XmlResourceParser parser = null; |
| 289 | Exception caughtException = null; |
| 290 | try { |
| 291 | parser = resolveInfo.serviceInfo.loadXmlMetaData(pm, |
| 292 | TrustAgentService.TRUST_AGENT_META_DATA); |
| 293 | if (parser == null) { |
| 294 | Slog.w(TAG, "Can't find " + TrustAgentService.TRUST_AGENT_META_DATA + " meta-data"); |
| 295 | return null; |
| 296 | } |
| 297 | Resources res = pm.getResourcesForApplication(resolveInfo.serviceInfo.applicationInfo); |
| 298 | AttributeSet attrs = Xml.asAttributeSet(parser); |
| 299 | int type; |
| 300 | while ((type = parser.next()) != XmlPullParser.END_DOCUMENT |
| 301 | && type != XmlPullParser.START_TAG) { |
| 302 | // Drain preamble. |
| 303 | } |
| 304 | String nodeName = parser.getName(); |
Adrian Roos | 7e03dfc | 2014-05-16 16:06:28 +0200 | [diff] [blame] | 305 | if (!"trust-agent".equals(nodeName)) { |
| 306 | Slog.w(TAG, "Meta-data does not start with trust-agent tag"); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 307 | return null; |
| 308 | } |
| 309 | TypedArray sa = res |
| 310 | .obtainAttributes(attrs, com.android.internal.R.styleable.TrustAgent); |
| 311 | cn = sa.getString(com.android.internal.R.styleable.TrustAgent_settingsActivity); |
| 312 | sa.recycle(); |
| 313 | } catch (PackageManager.NameNotFoundException e) { |
| 314 | caughtException = e; |
| 315 | } catch (IOException e) { |
| 316 | caughtException = e; |
| 317 | } catch (XmlPullParserException e) { |
| 318 | caughtException = e; |
| 319 | } finally { |
| 320 | if (parser != null) parser.close(); |
| 321 | } |
| 322 | if (caughtException != null) { |
| 323 | Slog.w(TAG, "Error parsing : " + resolveInfo.serviceInfo.packageName, caughtException); |
| 324 | return null; |
| 325 | } |
| 326 | if (cn == null) { |
| 327 | return null; |
| 328 | } |
| 329 | if (cn.indexOf('/') < 0) { |
| 330 | cn = resolveInfo.serviceInfo.packageName + "/" + cn; |
| 331 | } |
| 332 | return ComponentName.unflattenFromString(cn); |
| 333 | } |
| 334 | |
| 335 | private ComponentName getComponentName(ResolveInfo resolveInfo) { |
| 336 | if (resolveInfo == null || resolveInfo.serviceInfo == null) return null; |
| 337 | return new ComponentName(resolveInfo.serviceInfo.packageName, resolveInfo.serviceInfo.name); |
| 338 | } |
| 339 | |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame^] | 340 | private void maybeEnableFactoryTrustAgents(LockPatternUtils utils, int userId) { |
| 341 | if (0 != Settings.Secure.getIntForUser(mContext.getContentResolver(), |
| 342 | Settings.Secure.TRUST_AGENTS_INITIALIZED, 0, userId)) { |
| 343 | return; |
| 344 | } |
| 345 | PackageManager pm = mContext.getPackageManager(); |
| 346 | List<ResolveInfo> resolveInfos = resolveAllowedTrustAgents(pm, userId); |
| 347 | ArraySet<ComponentName> discoveredAgents = new ArraySet<>(); |
| 348 | for (ResolveInfo resolveInfo : resolveInfos) { |
| 349 | ComponentName componentName = getComponentName(resolveInfo); |
| 350 | int applicationInfoFlags = resolveInfo.serviceInfo.applicationInfo.flags; |
| 351 | if ((applicationInfoFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { |
| 352 | Log.i(TAG, "Leaving agent " + componentName + " disabled because package " |
| 353 | + "is not a system package."); |
| 354 | continue; |
| 355 | } |
| 356 | discoveredAgents.add(componentName); |
| 357 | } |
| 358 | |
| 359 | List<ComponentName> previouslyEnabledAgents = utils.getEnabledTrustAgents(userId); |
| 360 | if (previouslyEnabledAgents != null) { |
| 361 | discoveredAgents.addAll(previouslyEnabledAgents); |
| 362 | } |
| 363 | utils.setEnabledTrustAgents(discoveredAgents, userId); |
| 364 | Settings.Secure.putIntForUser(mContext.getContentResolver(), |
| 365 | Settings.Secure.TRUST_AGENTS_INITIALIZED, 1, userId); |
| 366 | } |
| 367 | |
| 368 | private List<ResolveInfo> resolveAllowedTrustAgents(PackageManager pm, int userId) { |
| 369 | List<ResolveInfo> resolveInfos = pm.queryIntentServicesAsUser(TRUST_AGENT_INTENT, |
| 370 | 0 /* flags */, userId); |
| 371 | ArrayList<ResolveInfo> allowedAgents = new ArrayList<>(resolveInfos.size()); |
| 372 | for (ResolveInfo resolveInfo : resolveInfos) { |
| 373 | if (resolveInfo.serviceInfo == null) continue; |
| 374 | if (resolveInfo.serviceInfo.applicationInfo == null) continue; |
| 375 | String packageName = resolveInfo.serviceInfo.packageName; |
| 376 | if (pm.checkPermission(PERMISSION_PROVIDE_AGENT, packageName) |
| 377 | != PackageManager.PERMISSION_GRANTED) { |
| 378 | ComponentName name = getComponentName(resolveInfo); |
| 379 | Log.w(TAG, "Skipping agent " + name + " because package does not have" |
| 380 | + " permission " + PERMISSION_PROVIDE_AGENT + "."); |
| 381 | continue; |
| 382 | } |
| 383 | allowedAgents.add(resolveInfo); |
| 384 | } |
| 385 | return allowedAgents; |
| 386 | } |
| 387 | |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 388 | // Agent dispatch and aggregation |
| 389 | |
| 390 | private boolean aggregateIsTrusted(int userId) { |
Adrian Roos | 7046bfd | 2014-05-16 21:20:54 +0200 | [diff] [blame] | 391 | if (!mUserHasAuthenticatedSinceBoot.get(userId)) { |
| 392 | return false; |
| 393 | } |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 394 | for (int i = 0; i < mActiveAgents.size(); i++) { |
| 395 | AgentInfo info = mActiveAgents.valueAt(i); |
| 396 | if (info.userId == userId) { |
| 397 | if (info.agent.isTrusted()) { |
| 398 | return true; |
| 399 | } |
| 400 | } |
| 401 | } |
| 402 | return false; |
| 403 | } |
| 404 | |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 405 | private boolean aggregateIsTrustManaged(int userId) { |
| 406 | if (!mUserHasAuthenticatedSinceBoot.get(userId)) { |
| 407 | return false; |
| 408 | } |
| 409 | for (int i = 0; i < mActiveAgents.size(); i++) { |
| 410 | AgentInfo info = mActiveAgents.valueAt(i); |
| 411 | if (info.userId == userId) { |
| 412 | if (info.agent.isManagingTrust()) { |
| 413 | return true; |
| 414 | } |
| 415 | } |
| 416 | } |
| 417 | return false; |
| 418 | } |
| 419 | |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 420 | private void dispatchUnlockAttempt(boolean successful, int userId) { |
| 421 | for (int i = 0; i < mActiveAgents.size(); i++) { |
| 422 | AgentInfo info = mActiveAgents.valueAt(i); |
| 423 | if (info.userId == userId) { |
| 424 | info.agent.onUnlockAttempt(successful); |
| 425 | } |
| 426 | } |
Adrian Roos | 7046bfd | 2014-05-16 21:20:54 +0200 | [diff] [blame] | 427 | |
Adrian Roos | 9dbe190 | 2014-08-13 18:25:52 +0200 | [diff] [blame] | 428 | if (successful) { |
| 429 | updateUserHasAuthenticated(userId); |
| 430 | } |
| 431 | } |
| 432 | |
| 433 | private void updateUserHasAuthenticated(int userId) { |
| 434 | if (!mUserHasAuthenticatedSinceBoot.get(userId)) { |
Adrian Roos | 7046bfd | 2014-05-16 21:20:54 +0200 | [diff] [blame] | 435 | mUserHasAuthenticatedSinceBoot.put(userId, true); |
Marco Fucci | 4e68f11 | 2014-08-29 12:31:48 -0700 | [diff] [blame] | 436 | refreshAgentList(userId); |
Adrian Roos | 7046bfd | 2014-05-16 21:20:54 +0200 | [diff] [blame] | 437 | } |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 438 | } |
| 439 | |
Adrian Roos | 2c12cfa | 2014-06-25 23:28:53 +0200 | [diff] [blame] | 440 | |
| 441 | private void requireCredentialEntry(int userId) { |
| 442 | if (userId == UserHandle.USER_ALL) { |
| 443 | mUserHasAuthenticatedSinceBoot.clear(); |
Marco Fucci | 4e68f11 | 2014-08-29 12:31:48 -0700 | [diff] [blame] | 444 | refreshAgentList(UserHandle.USER_ALL); |
Adrian Roos | 2c12cfa | 2014-06-25 23:28:53 +0200 | [diff] [blame] | 445 | } else { |
| 446 | mUserHasAuthenticatedSinceBoot.put(userId, false); |
Marco Fucci | 4e68f11 | 2014-08-29 12:31:48 -0700 | [diff] [blame] | 447 | refreshAgentList(userId); |
Adrian Roos | 2c12cfa | 2014-06-25 23:28:53 +0200 | [diff] [blame] | 448 | } |
| 449 | } |
| 450 | |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 451 | // Listeners |
| 452 | |
| 453 | private void addListener(ITrustListener listener) { |
| 454 | for (int i = 0; i < mTrustListeners.size(); i++) { |
| 455 | if (mTrustListeners.get(i).asBinder() == listener.asBinder()) { |
| 456 | return; |
| 457 | } |
| 458 | } |
| 459 | mTrustListeners.add(listener); |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame^] | 460 | updateTrustAll(); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 461 | } |
| 462 | |
| 463 | private void removeListener(ITrustListener listener) { |
| 464 | for (int i = 0; i < mTrustListeners.size(); i++) { |
| 465 | if (mTrustListeners.get(i).asBinder() == listener.asBinder()) { |
Jay Civelli | 979a32e | 2014-07-18 16:47:36 -0700 | [diff] [blame] | 466 | mTrustListeners.remove(i); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 467 | return; |
| 468 | } |
| 469 | } |
| 470 | } |
| 471 | |
Adrian Roos | 3c9a350 | 2014-08-06 19:09:45 +0200 | [diff] [blame] | 472 | private void dispatchOnTrustChanged(boolean enabled, int userId, boolean initiatedByUser) { |
| 473 | if (!enabled) initiatedByUser = false; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 474 | for (int i = 0; i < mTrustListeners.size(); i++) { |
| 475 | try { |
Adrian Roos | 3c9a350 | 2014-08-06 19:09:45 +0200 | [diff] [blame] | 476 | mTrustListeners.get(i).onTrustChanged(enabled, userId, initiatedByUser); |
Adrian Roos | a4ba56b | 2014-05-20 12:56:25 +0200 | [diff] [blame] | 477 | } catch (DeadObjectException e) { |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 478 | Slog.d(TAG, "Removing dead TrustListener."); |
| 479 | mTrustListeners.remove(i); |
| 480 | i--; |
| 481 | } catch (RemoteException e) { |
| 482 | Slog.e(TAG, "Exception while notifying TrustListener.", e); |
| 483 | } |
| 484 | } |
| 485 | } |
| 486 | |
| 487 | private void dispatchOnTrustManagedChanged(boolean managed, int userId) { |
| 488 | for (int i = 0; i < mTrustListeners.size(); i++) { |
| 489 | try { |
| 490 | mTrustListeners.get(i).onTrustManagedChanged(managed, userId); |
| 491 | } catch (DeadObjectException e) { |
| 492 | Slog.d(TAG, "Removing dead TrustListener."); |
Adrian Roos | a4ba56b | 2014-05-20 12:56:25 +0200 | [diff] [blame] | 493 | mTrustListeners.remove(i); |
| 494 | i--; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 495 | } catch (RemoteException e) { |
Adrian Roos | a4ba56b | 2014-05-20 12:56:25 +0200 | [diff] [blame] | 496 | Slog.e(TAG, "Exception while notifying TrustListener.", e); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 497 | } |
| 498 | } |
| 499 | } |
| 500 | |
| 501 | // Plumbing |
| 502 | |
| 503 | private final IBinder mService = new ITrustManager.Stub() { |
| 504 | @Override |
| 505 | public void reportUnlockAttempt(boolean authenticated, int userId) throws RemoteException { |
| 506 | enforceReportPermission(); |
| 507 | mHandler.obtainMessage(MSG_DISPATCH_UNLOCK_ATTEMPT, authenticated ? 1 : 0, userId) |
| 508 | .sendToTarget(); |
| 509 | } |
| 510 | |
| 511 | @Override |
| 512 | public void reportEnabledTrustAgentsChanged(int userId) throws RemoteException { |
| 513 | enforceReportPermission(); |
| 514 | // coalesce refresh messages. |
| 515 | mHandler.removeMessages(MSG_ENABLED_AGENTS_CHANGED); |
| 516 | mHandler.sendEmptyMessage(MSG_ENABLED_AGENTS_CHANGED); |
| 517 | } |
| 518 | |
| 519 | @Override |
Adrian Roos | 2c12cfa | 2014-06-25 23:28:53 +0200 | [diff] [blame] | 520 | public void reportRequireCredentialEntry(int userId) throws RemoteException { |
| 521 | enforceReportPermission(); |
| 522 | if (userId == UserHandle.USER_ALL || userId >= UserHandle.USER_OWNER) { |
| 523 | mHandler.obtainMessage(MSG_REQUIRE_CREDENTIAL_ENTRY, userId, 0).sendToTarget(); |
| 524 | } else { |
| 525 | throw new IllegalArgumentException( |
| 526 | "userId must be an explicit user id or USER_ALL"); |
| 527 | } |
| 528 | } |
| 529 | |
| 530 | @Override |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 531 | public void registerTrustListener(ITrustListener trustListener) throws RemoteException { |
| 532 | enforceListenerPermission(); |
| 533 | mHandler.obtainMessage(MSG_REGISTER_LISTENER, trustListener).sendToTarget(); |
| 534 | } |
| 535 | |
| 536 | @Override |
| 537 | public void unregisterTrustListener(ITrustListener trustListener) throws RemoteException { |
| 538 | enforceListenerPermission(); |
| 539 | mHandler.obtainMessage(MSG_UNREGISTER_LISTENER, trustListener).sendToTarget(); |
| 540 | } |
| 541 | |
| 542 | private void enforceReportPermission() { |
Adrian Roos | 2c12cfa | 2014-06-25 23:28:53 +0200 | [diff] [blame] | 543 | mContext.enforceCallingOrSelfPermission( |
| 544 | Manifest.permission.ACCESS_KEYGUARD_SECURE_STORAGE, "reporting trust events"); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 545 | } |
| 546 | |
| 547 | private void enforceListenerPermission() { |
| 548 | mContext.enforceCallingPermission(Manifest.permission.TRUST_LISTENER, |
| 549 | "register trust listener"); |
| 550 | } |
Adrian Roos | 7a4f3d4 | 2014-05-02 12:12:20 +0200 | [diff] [blame] | 551 | |
| 552 | @Override |
| 553 | protected void dump(FileDescriptor fd, final PrintWriter fout, String[] args) { |
| 554 | mContext.enforceCallingPermission(Manifest.permission.DUMP, |
| 555 | "dumping TrustManagerService"); |
| 556 | final UserInfo currentUser; |
| 557 | final List<UserInfo> userInfos = mUserManager.getUsers(true /* excludeDying */); |
| 558 | try { |
| 559 | currentUser = ActivityManagerNative.getDefault().getCurrentUser(); |
| 560 | } catch (RemoteException e) { |
| 561 | throw new RuntimeException(e); |
| 562 | } |
| 563 | mHandler.runWithScissors(new Runnable() { |
| 564 | @Override |
| 565 | public void run() { |
| 566 | fout.println("Trust manager state:"); |
| 567 | for (UserInfo user : userInfos) { |
| 568 | dumpUser(fout, user, user.id == currentUser.id); |
| 569 | } |
| 570 | } |
| 571 | }, 1500); |
| 572 | } |
| 573 | |
| 574 | private void dumpUser(PrintWriter fout, UserInfo user, boolean isCurrent) { |
| 575 | fout.printf(" User \"%s\" (id=%d, flags=%#x)", |
| 576 | user.name, user.id, user.flags); |
| 577 | if (isCurrent) { |
| 578 | fout.print(" (current)"); |
| 579 | } |
| 580 | fout.print(": trusted=" + dumpBool(aggregateIsTrusted(user.id))); |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 581 | fout.print(", trustManaged=" + dumpBool(aggregateIsTrustManaged(user.id))); |
Adrian Roos | 7a4f3d4 | 2014-05-02 12:12:20 +0200 | [diff] [blame] | 582 | fout.println(); |
| 583 | fout.println(" Enabled agents:"); |
| 584 | boolean duplicateSimpleNames = false; |
| 585 | ArraySet<String> simpleNames = new ArraySet<String>(); |
| 586 | for (AgentInfo info : mActiveAgents) { |
| 587 | if (info.userId != user.id) { continue; } |
| 588 | boolean trusted = info.agent.isTrusted(); |
| 589 | fout.print(" "); fout.println(info.component.flattenToShortString()); |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 590 | fout.print(" bound=" + dumpBool(info.agent.isBound())); |
| 591 | fout.print(", connected=" + dumpBool(info.agent.isConnected())); |
Adrian Roos | 7861c66 | 2014-07-25 15:37:28 +0200 | [diff] [blame] | 592 | fout.print(", managingTrust=" + dumpBool(info.agent.isManagingTrust())); |
| 593 | fout.print(", trusted=" + dumpBool(trusted)); |
| 594 | fout.println(); |
Adrian Roos | 7a4f3d4 | 2014-05-02 12:12:20 +0200 | [diff] [blame] | 595 | if (trusted) { |
| 596 | fout.println(" message=\"" + info.agent.getMessage() + "\""); |
| 597 | } |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 598 | if (!info.agent.isConnected()) { |
| 599 | String restartTime = TrustArchive.formatDuration( |
| 600 | info.agent.getScheduledRestartUptimeMillis() |
| 601 | - SystemClock.uptimeMillis()); |
| 602 | fout.println(" restartScheduledAt=" + restartTime); |
| 603 | } |
Adrian Roos | 7a4f3d4 | 2014-05-02 12:12:20 +0200 | [diff] [blame] | 604 | if (!simpleNames.add(TrustArchive.getSimpleName(info.component))) { |
| 605 | duplicateSimpleNames = true; |
| 606 | } |
| 607 | } |
| 608 | fout.println(" Events:"); |
| 609 | mArchive.dump(fout, 50, user.id, " " /* linePrefix */, duplicateSimpleNames); |
| 610 | fout.println(); |
| 611 | } |
| 612 | |
| 613 | private String dumpBool(boolean b) { |
| 614 | return b ? "1" : "0"; |
| 615 | } |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 616 | }; |
| 617 | |
| 618 | private final Handler mHandler = new Handler() { |
| 619 | @Override |
| 620 | public void handleMessage(Message msg) { |
| 621 | switch (msg.what) { |
| 622 | case MSG_REGISTER_LISTENER: |
| 623 | addListener((ITrustListener) msg.obj); |
| 624 | break; |
| 625 | case MSG_UNREGISTER_LISTENER: |
| 626 | removeListener((ITrustListener) msg.obj); |
| 627 | break; |
| 628 | case MSG_DISPATCH_UNLOCK_ATTEMPT: |
| 629 | dispatchUnlockAttempt(msg.arg1 != 0, msg.arg2); |
| 630 | break; |
| 631 | case MSG_ENABLED_AGENTS_CHANGED: |
Marco Fucci | 4e68f11 | 2014-08-29 12:31:48 -0700 | [diff] [blame] | 632 | refreshAgentList(UserHandle.USER_ALL); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 633 | break; |
Adrian Roos | 2c12cfa | 2014-06-25 23:28:53 +0200 | [diff] [blame] | 634 | case MSG_REQUIRE_CREDENTIAL_ENTRY: |
| 635 | requireCredentialEntry(msg.arg1); |
| 636 | break; |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 637 | } |
| 638 | } |
| 639 | }; |
| 640 | |
| 641 | private final PackageMonitor mPackageMonitor = new PackageMonitor() { |
| 642 | @Override |
| 643 | public void onSomePackagesChanged() { |
Marco Fucci | 4e68f11 | 2014-08-29 12:31:48 -0700 | [diff] [blame] | 644 | refreshAgentList(UserHandle.USER_ALL); |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 645 | } |
| 646 | |
| 647 | @Override |
| 648 | public boolean onPackageChanged(String packageName, int uid, String[] components) { |
| 649 | // We're interested in all changes, even if just some components get enabled / disabled. |
| 650 | return true; |
| 651 | } |
Adrian Roos | c5f95ce | 2014-07-24 16:00:46 +0200 | [diff] [blame] | 652 | |
| 653 | @Override |
| 654 | public void onPackageDisappeared(String packageName, int reason) { |
| 655 | removeAgentsOfPackage(packageName); |
| 656 | } |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 657 | }; |
Adrian Roos | ca36b95 | 2014-05-16 18:52:29 +0200 | [diff] [blame] | 658 | |
Adrian Roos | 9dbe190 | 2014-08-13 18:25:52 +0200 | [diff] [blame] | 659 | private class Receiver extends BroadcastReceiver { |
Adrian Roos | ca36b95 | 2014-05-16 18:52:29 +0200 | [diff] [blame] | 660 | |
| 661 | @Override |
| 662 | public void onReceive(Context context, Intent intent) { |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame^] | 663 | String action = intent.getAction(); |
| 664 | if (DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED.equals(action)) { |
Marco Fucci | 4e68f11 | 2014-08-29 12:31:48 -0700 | [diff] [blame] | 665 | refreshAgentList(getSendingUserId()); |
| 666 | updateDevicePolicyFeatures(); |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame^] | 667 | } else if (Intent.ACTION_USER_PRESENT.equals(action)) { |
Adrian Roos | 9dbe190 | 2014-08-13 18:25:52 +0200 | [diff] [blame] | 668 | updateUserHasAuthenticated(getSendingUserId()); |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame^] | 669 | } else if (Intent.ACTION_USER_ADDED.equals(action)) { |
| 670 | int userId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, -100); |
| 671 | if (userId > 0) { |
| 672 | maybeEnableFactoryTrustAgents(mLockPatternUtils, userId); |
| 673 | } else { |
| 674 | Log.wtf(TAG, "EXTRA_USER_HANDLE missing or invalid, value=" + userId); |
| 675 | } |
Adrian Roos | ca36b95 | 2014-05-16 18:52:29 +0200 | [diff] [blame] | 676 | } |
| 677 | } |
| 678 | |
| 679 | public void register(Context context) { |
Adrian Roos | 9dbe190 | 2014-08-13 18:25:52 +0200 | [diff] [blame] | 680 | IntentFilter filter = new IntentFilter(); |
| 681 | filter.addAction(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); |
| 682 | filter.addAction(Intent.ACTION_USER_PRESENT); |
Adrian Roos | 3870d45 | 2014-09-05 18:22:28 +0200 | [diff] [blame^] | 683 | filter.addAction(Intent.ACTION_USER_ADDED); |
Adrian Roos | ca36b95 | 2014-05-16 18:52:29 +0200 | [diff] [blame] | 684 | context.registerReceiverAsUser(this, |
| 685 | UserHandle.ALL, |
Adrian Roos | 9dbe190 | 2014-08-13 18:25:52 +0200 | [diff] [blame] | 686 | filter, |
Adrian Roos | ca36b95 | 2014-05-16 18:52:29 +0200 | [diff] [blame] | 687 | null /* permission */, |
| 688 | null /* scheduler */); |
| 689 | } |
| 690 | } |
Adrian Roos | 82142c2 | 2014-03-27 14:56:59 +0100 | [diff] [blame] | 691 | } |