| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.server.devicepolicy; |
| |
| import android.annotation.Nullable; |
| import android.app.admin.SystemUpdateInfo; |
| import android.app.admin.SystemUpdatePolicy; |
| import android.content.ComponentName; |
| import android.content.pm.PackageManagerInternal; |
| import android.content.pm.UserInfo; |
| import android.os.Environment; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.os.UserManagerInternal; |
| import android.util.ArrayMap; |
| import android.util.AtomicFile; |
| import android.util.Log; |
| import android.util.Pair; |
| import android.util.Slog; |
| import android.util.SparseArray; |
| import android.util.Xml; |
| |
| import com.android.internal.util.FastXmlSerializer; |
| |
| import org.xmlpull.v1.XmlPullParser; |
| import org.xmlpull.v1.XmlPullParserException; |
| import org.xmlpull.v1.XmlSerializer; |
| |
| import java.io.File; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.PrintWriter; |
| import java.nio.charset.StandardCharsets; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Objects; |
| import java.util.Set; |
| |
| import libcore.io.IoUtils; |
| |
| /** |
| * Stores and restores state for the Device and Profile owners and related device-wide information. |
| * By definition there can be only one device owner, but there may be a profile owner for each user. |
| * |
| * <p>This class is thread safe, so individual methods can safely be called without locking. |
| * However, caller must still synchronize on their side to ensure integrity between multiple calls. |
| */ |
| class Owners { |
| private static final String TAG = "DevicePolicyManagerService"; |
| |
| private static final boolean DEBUG = false; // DO NOT SUBMIT WITH TRUE |
| |
| private static final String DEVICE_OWNER_XML_LEGACY = "device_owner.xml"; |
| |
| // XML storing device owner info, system update policy and pending OTA update information. |
| private static final String DEVICE_OWNER_XML = "device_owner_2.xml"; |
| |
| private static final String PROFILE_OWNER_XML = "profile_owner.xml"; |
| |
| private static final String TAG_ROOT = "root"; |
| |
| private static final String TAG_DEVICE_OWNER = "device-owner"; |
| private static final String TAG_DEVICE_INITIALIZER = "device-initializer"; |
| private static final String TAG_SYSTEM_UPDATE_POLICY = "system-update-policy"; |
| private static final String TAG_PENDING_OTA_INFO = "pending-ota-info"; |
| private static final String TAG_PROFILE_OWNER = "profile-owner"; |
| // Holds "context" for device-owner, this must not be show up before device-owner. |
| private static final String TAG_DEVICE_OWNER_CONTEXT = "device-owner-context"; |
| |
| private static final String ATTR_NAME = "name"; |
| private static final String ATTR_PACKAGE = "package"; |
| private static final String ATTR_COMPONENT_NAME = "component"; |
| private static final String ATTR_REMOTE_BUGREPORT_URI = "remoteBugreportUri"; |
| private static final String ATTR_REMOTE_BUGREPORT_HASH = "remoteBugreportHash"; |
| private static final String ATTR_USERID = "userId"; |
| private static final String ATTR_USER_RESTRICTIONS_MIGRATED = "userRestrictionsMigrated"; |
| |
| private final UserManager mUserManager; |
| private final UserManagerInternal mUserManagerInternal; |
| private final PackageManagerInternal mPackageManagerInternal; |
| |
| // Internal state for the device owner package. |
| private OwnerInfo mDeviceOwner; |
| |
| private int mDeviceOwnerUserId = UserHandle.USER_NULL; |
| |
| // Internal state for the profile owner packages. |
| private final ArrayMap<Integer, OwnerInfo> mProfileOwners = new ArrayMap<>(); |
| |
| // Local system update policy controllable by device owner. |
| private SystemUpdatePolicy mSystemUpdatePolicy; |
| |
| // Pending OTA info if there is one. |
| @Nullable |
| private SystemUpdateInfo mSystemUpdateInfo; |
| |
| private final Object mLock = new Object(); |
| |
| public Owners(UserManager userManager, |
| UserManagerInternal userManagerInternal, |
| PackageManagerInternal packageManagerInternal) { |
| mUserManager = userManager; |
| mUserManagerInternal = userManagerInternal; |
| mPackageManagerInternal = packageManagerInternal; |
| } |
| |
| /** |
| * Load configuration from the disk. |
| */ |
| void load() { |
| synchronized (mLock) { |
| // First, try to read from the legacy file. |
| final File legacy = getLegacyConfigFileWithTestOverride(); |
| |
| final List<UserInfo> users = mUserManager.getUsers(true); |
| |
| if (readLegacyOwnerFileLocked(legacy)) { |
| if (DEBUG) { |
| Log.d(TAG, "Legacy config file found."); |
| } |
| |
| // Legacy file exists, write to new files and remove the legacy one. |
| writeDeviceOwner(); |
| for (int userId : getProfileOwnerKeys()) { |
| writeProfileOwner(userId); |
| } |
| if (DEBUG) { |
| Log.d(TAG, "Deleting legacy config file"); |
| } |
| if (!legacy.delete()) { |
| Slog.e(TAG, "Failed to remove the legacy setting file"); |
| } |
| } else { |
| // No legacy file, read from the new format files. |
| new DeviceOwnerReadWriter().readFromFileLocked(); |
| |
| for (UserInfo ui : users) { |
| new ProfileOwnerReadWriter(ui.id).readFromFileLocked(); |
| } |
| } |
| mUserManagerInternal.setDeviceManaged(hasDeviceOwner()); |
| for (UserInfo ui : users) { |
| mUserManagerInternal.setUserManaged(ui.id, hasProfileOwner(ui.id)); |
| } |
| if (hasDeviceOwner() && hasProfileOwner(getDeviceOwnerUserId())) { |
| Slog.w(TAG, String.format("User %d has both DO and PO, which is not supported", |
| getDeviceOwnerUserId())); |
| } |
| pushToPackageManagerLocked(); |
| } |
| } |
| |
| private void pushToPackageManagerLocked() { |
| final SparseArray<String> po = new SparseArray<>(); |
| for (int i = mProfileOwners.size() - 1; i >= 0; i--) { |
| po.put(mProfileOwners.keyAt(i), mProfileOwners.valueAt(i).packageName); |
| } |
| mPackageManagerInternal.setDeviceAndProfileOwnerPackages( |
| mDeviceOwnerUserId, (mDeviceOwner != null ? mDeviceOwner.packageName : null), |
| po); |
| } |
| |
| String getDeviceOwnerPackageName() { |
| synchronized (mLock) { |
| return mDeviceOwner != null ? mDeviceOwner.packageName : null; |
| } |
| } |
| |
| int getDeviceOwnerUserId() { |
| synchronized (mLock) { |
| return mDeviceOwnerUserId; |
| } |
| } |
| |
| @Nullable |
| Pair<Integer, ComponentName> getDeviceOwnerUserIdAndComponent() { |
| synchronized (mLock) { |
| if (mDeviceOwner == null) { |
| return null; |
| } else { |
| return Pair.create(mDeviceOwnerUserId, mDeviceOwner.admin); |
| } |
| } |
| } |
| |
| String getDeviceOwnerName() { |
| synchronized (mLock) { |
| return mDeviceOwner != null ? mDeviceOwner.name : null; |
| } |
| } |
| |
| ComponentName getDeviceOwnerComponent() { |
| synchronized (mLock) { |
| return mDeviceOwner != null ? mDeviceOwner.admin : null; |
| } |
| } |
| |
| String getDeviceOwnerRemoteBugreportUri() { |
| synchronized (mLock) { |
| return mDeviceOwner != null ? mDeviceOwner.remoteBugreportUri : null; |
| } |
| } |
| |
| String getDeviceOwnerRemoteBugreportHash() { |
| synchronized (mLock) { |
| return mDeviceOwner != null ? mDeviceOwner.remoteBugreportHash : null; |
| } |
| } |
| |
| void setDeviceOwner(ComponentName admin, String ownerName, int userId) { |
| if (userId < 0) { |
| Slog.e(TAG, "Invalid user id for device owner user: " + userId); |
| return; |
| } |
| synchronized (mLock) { |
| // For a newly set DO, there's no need for migration. |
| setDeviceOwnerWithRestrictionsMigrated(admin, ownerName, userId, |
| /* userRestrictionsMigrated =*/ true); |
| } |
| } |
| |
| // Note this should be only called during migration. Normally when DO is set, |
| // userRestrictionsMigrated should always be true. |
| void setDeviceOwnerWithRestrictionsMigrated(ComponentName admin, String ownerName, int userId, |
| boolean userRestrictionsMigrated) { |
| synchronized (mLock) { |
| mDeviceOwner = new OwnerInfo(ownerName, admin, userRestrictionsMigrated, |
| /* remoteBugreportUri =*/ null, /* remoteBugreportHash =*/ null); |
| mDeviceOwnerUserId = userId; |
| |
| mUserManagerInternal.setDeviceManaged(true); |
| pushToPackageManagerLocked(); |
| } |
| } |
| |
| void clearDeviceOwner() { |
| synchronized (mLock) { |
| mDeviceOwner = null; |
| mDeviceOwnerUserId = UserHandle.USER_NULL; |
| |
| mUserManagerInternal.setDeviceManaged(false); |
| pushToPackageManagerLocked(); |
| } |
| } |
| |
| void setProfileOwner(ComponentName admin, String ownerName, int userId) { |
| synchronized (mLock) { |
| // For a newly set PO, there's no need for migration. |
| mProfileOwners.put(userId, new OwnerInfo(ownerName, admin, |
| /* userRestrictionsMigrated =*/ true, /* remoteBugreportUri =*/ null, |
| /* remoteBugreportHash =*/ null)); |
| mUserManagerInternal.setUserManaged(userId, true); |
| pushToPackageManagerLocked(); |
| } |
| } |
| |
| void removeProfileOwner(int userId) { |
| synchronized (mLock) { |
| mProfileOwners.remove(userId); |
| mUserManagerInternal.setUserManaged(userId, false); |
| pushToPackageManagerLocked(); |
| } |
| } |
| |
| ComponentName getProfileOwnerComponent(int userId) { |
| synchronized (mLock) { |
| OwnerInfo profileOwner = mProfileOwners.get(userId); |
| return profileOwner != null ? profileOwner.admin : null; |
| } |
| } |
| |
| String getProfileOwnerName(int userId) { |
| synchronized (mLock) { |
| OwnerInfo profileOwner = mProfileOwners.get(userId); |
| return profileOwner != null ? profileOwner.name : null; |
| } |
| } |
| |
| String getProfileOwnerPackage(int userId) { |
| synchronized (mLock) { |
| OwnerInfo profileOwner = mProfileOwners.get(userId); |
| return profileOwner != null ? profileOwner.packageName : null; |
| } |
| } |
| |
| Set<Integer> getProfileOwnerKeys() { |
| synchronized (mLock) { |
| return mProfileOwners.keySet(); |
| } |
| } |
| |
| SystemUpdatePolicy getSystemUpdatePolicy() { |
| synchronized (mLock) { |
| return mSystemUpdatePolicy; |
| } |
| } |
| |
| void setSystemUpdatePolicy(SystemUpdatePolicy systemUpdatePolicy) { |
| synchronized (mLock) { |
| mSystemUpdatePolicy = systemUpdatePolicy; |
| } |
| } |
| |
| void clearSystemUpdatePolicy() { |
| synchronized (mLock) { |
| mSystemUpdatePolicy = null; |
| } |
| } |
| |
| boolean hasDeviceOwner() { |
| synchronized (mLock) { |
| return mDeviceOwner != null; |
| } |
| } |
| |
| boolean isDeviceOwnerUserId(int userId) { |
| synchronized (mLock) { |
| return mDeviceOwner != null && mDeviceOwnerUserId == userId; |
| } |
| } |
| |
| boolean hasProfileOwner(int userId) { |
| synchronized (mLock) { |
| return getProfileOwnerComponent(userId) != null; |
| } |
| } |
| |
| /** |
| * @return true if user restrictions need to be migrated for DO. |
| */ |
| boolean getDeviceOwnerUserRestrictionsNeedsMigration() { |
| synchronized (mLock) { |
| return mDeviceOwner != null && !mDeviceOwner.userRestrictionsMigrated; |
| } |
| } |
| |
| /** |
| * @return true if user restrictions need to be migrated for PO. |
| */ |
| boolean getProfileOwnerUserRestrictionsNeedsMigration(int userId) { |
| synchronized (mLock) { |
| OwnerInfo profileOwner = mProfileOwners.get(userId); |
| return profileOwner != null && !profileOwner.userRestrictionsMigrated; |
| } |
| } |
| |
| /** Sets the user restrictions migrated flag, and also writes to the file. */ |
| void setDeviceOwnerUserRestrictionsMigrated() { |
| synchronized (mLock) { |
| if (mDeviceOwner != null) { |
| mDeviceOwner.userRestrictionsMigrated = true; |
| } |
| writeDeviceOwner(); |
| } |
| } |
| |
| /** Sets the remote bugreport uri and hash, and also writes to the file. */ |
| void setDeviceOwnerRemoteBugreportUriAndHash(String remoteBugreportUri, |
| String remoteBugreportHash) { |
| synchronized (mLock) { |
| if (mDeviceOwner != null) { |
| mDeviceOwner.remoteBugreportUri = remoteBugreportUri; |
| mDeviceOwner.remoteBugreportHash = remoteBugreportHash; |
| } |
| writeDeviceOwner(); |
| } |
| } |
| |
| /** Sets the user restrictions migrated flag, and also writes to the file. */ |
| void setProfileOwnerUserRestrictionsMigrated(int userId) { |
| synchronized (mLock) { |
| OwnerInfo profileOwner = mProfileOwners.get(userId); |
| if (profileOwner != null) { |
| profileOwner.userRestrictionsMigrated = true; |
| } |
| writeProfileOwner(userId); |
| } |
| } |
| |
| private boolean readLegacyOwnerFileLocked(File file) { |
| if (!file.exists()) { |
| // Already migrated or the device has no owners. |
| return false; |
| } |
| try { |
| InputStream input = new AtomicFile(file).openRead(); |
| XmlPullParser parser = Xml.newPullParser(); |
| parser.setInput(input, StandardCharsets.UTF_8.name()); |
| int type; |
| while ((type=parser.next()) != XmlPullParser.END_DOCUMENT) { |
| if (type!=XmlPullParser.START_TAG) { |
| continue; |
| } |
| |
| String tag = parser.getName(); |
| if (tag.equals(TAG_DEVICE_OWNER)) { |
| String name = parser.getAttributeValue(null, ATTR_NAME); |
| String packageName = parser.getAttributeValue(null, ATTR_PACKAGE); |
| mDeviceOwner = new OwnerInfo(name, packageName, |
| /* userRestrictionsMigrated =*/ false, /* remoteBugreportUri =*/ null, |
| /* remoteBugreportHash =*/ null); |
| mDeviceOwnerUserId = UserHandle.USER_SYSTEM; |
| } else if (tag.equals(TAG_DEVICE_INITIALIZER)) { |
| // Deprecated tag |
| } else if (tag.equals(TAG_PROFILE_OWNER)) { |
| String profileOwnerPackageName = parser.getAttributeValue(null, ATTR_PACKAGE); |
| String profileOwnerName = parser.getAttributeValue(null, ATTR_NAME); |
| String profileOwnerComponentStr = |
| parser.getAttributeValue(null, ATTR_COMPONENT_NAME); |
| int userId = Integer.parseInt(parser.getAttributeValue(null, ATTR_USERID)); |
| OwnerInfo profileOwnerInfo = null; |
| if (profileOwnerComponentStr != null) { |
| ComponentName admin = ComponentName.unflattenFromString( |
| profileOwnerComponentStr); |
| if (admin != null) { |
| profileOwnerInfo = new OwnerInfo(profileOwnerName, admin, |
| /* userRestrictionsMigrated =*/ false, null, null); |
| } else { |
| // This shouldn't happen but switch from package name -> component name |
| // might have written bad device owner files. b/17652534 |
| Slog.e(TAG, "Error parsing device-owner file. Bad component name " + |
| profileOwnerComponentStr); |
| } |
| } |
| if (profileOwnerInfo == null) { |
| profileOwnerInfo = new OwnerInfo(profileOwnerName, profileOwnerPackageName, |
| /* userRestrictionsMigrated =*/ false, |
| /* remoteBugreportUri =*/ null, /* remoteBugreportHash =*/ null); |
| } |
| mProfileOwners.put(userId, profileOwnerInfo); |
| } else if (TAG_SYSTEM_UPDATE_POLICY.equals(tag)) { |
| mSystemUpdatePolicy = SystemUpdatePolicy.restoreFromXml(parser); |
| } else { |
| throw new XmlPullParserException( |
| "Unexpected tag in device owner file: " + tag); |
| } |
| } |
| input.close(); |
| } catch (XmlPullParserException|IOException e) { |
| Slog.e(TAG, "Error parsing device-owner file", e); |
| } |
| return true; |
| } |
| |
| void writeDeviceOwner() { |
| synchronized (mLock) { |
| if (DEBUG) { |
| Log.d(TAG, "Writing to device owner file"); |
| } |
| new DeviceOwnerReadWriter().writeToFileLocked(); |
| } |
| } |
| |
| void writeProfileOwner(int userId) { |
| synchronized (mLock) { |
| if (DEBUG) { |
| Log.d(TAG, "Writing to profile owner file for user " + userId); |
| } |
| new ProfileOwnerReadWriter(userId).writeToFileLocked(); |
| } |
| } |
| |
| /** |
| * Saves the given {@link SystemUpdateInfo} if it is different from the existing one, or if |
| * none exists. |
| * |
| * @return Whether the saved system update information has changed. |
| */ |
| boolean saveSystemUpdateInfo(@Nullable SystemUpdateInfo newInfo) { |
| synchronized (mLock) { |
| // Check if we already have the same update information. |
| if (Objects.equals(newInfo, mSystemUpdateInfo)) { |
| return false; |
| } |
| |
| mSystemUpdateInfo = newInfo; |
| new DeviceOwnerReadWriter().writeToFileLocked(); |
| return true; |
| } |
| } |
| |
| @Nullable |
| public SystemUpdateInfo getSystemUpdateInfo() { |
| synchronized (mLock) { |
| return mSystemUpdateInfo; |
| } |
| } |
| |
| private abstract static class FileReadWriter { |
| private final File mFile; |
| |
| protected FileReadWriter(File file) { |
| mFile = file; |
| } |
| |
| abstract boolean shouldWrite(); |
| |
| void writeToFileLocked() { |
| if (!shouldWrite()) { |
| if (DEBUG) { |
| Log.d(TAG, "No need to write to " + mFile); |
| } |
| // No contents, remove the file. |
| if (mFile.exists()) { |
| if (DEBUG) { |
| Log.d(TAG, "Deleting existing " + mFile); |
| } |
| if (!mFile.delete()) { |
| Slog.e(TAG, "Failed to remove " + mFile.getPath()); |
| } |
| } |
| return; |
| } |
| if (DEBUG) { |
| Log.d(TAG, "Writing to " + mFile); |
| } |
| |
| final AtomicFile f = new AtomicFile(mFile); |
| FileOutputStream outputStream = null; |
| try { |
| outputStream = f.startWrite(); |
| final XmlSerializer out = new FastXmlSerializer(); |
| out.setOutput(outputStream, StandardCharsets.UTF_8.name()); |
| |
| // Root tag |
| out.startDocument(null, true); |
| out.startTag(null, TAG_ROOT); |
| |
| // Actual content |
| writeInner(out); |
| |
| // Close root |
| out.endTag(null, TAG_ROOT); |
| out.endDocument(); |
| out.flush(); |
| |
| // Commit the content. |
| f.finishWrite(outputStream); |
| outputStream = null; |
| |
| } catch (IOException e) { |
| Slog.e(TAG, "Exception when writing", e); |
| if (outputStream != null) { |
| f.failWrite(outputStream); |
| } |
| } |
| } |
| |
| void readFromFileLocked() { |
| if (!mFile.exists()) { |
| if (DEBUG) { |
| Log.d(TAG, "" + mFile + " doesn't exist"); |
| } |
| return; |
| } |
| if (DEBUG) { |
| Log.d(TAG, "Reading from " + mFile); |
| } |
| final AtomicFile f = new AtomicFile(mFile); |
| InputStream input = null; |
| try { |
| input = f.openRead(); |
| final XmlPullParser parser = Xml.newPullParser(); |
| parser.setInput(input, StandardCharsets.UTF_8.name()); |
| |
| int type; |
| int depth = 0; |
| while ((type = parser.next()) != XmlPullParser.END_DOCUMENT) { |
| switch (type) { |
| case XmlPullParser.START_TAG: |
| depth++; |
| break; |
| case XmlPullParser.END_TAG: |
| depth--; |
| // fallthrough |
| default: |
| continue; |
| } |
| // Check the root tag |
| final String tag = parser.getName(); |
| if (depth == 1) { |
| if (!TAG_ROOT.equals(tag)) { |
| Slog.e(TAG, "Invalid root tag: " + tag); |
| return; |
| } |
| continue; |
| } |
| // readInner() will only see START_TAG at depth >= 2. |
| if (!readInner(parser, depth, tag)) { |
| return; // Error |
| } |
| } |
| } catch (XmlPullParserException | IOException e) { |
| Slog.e(TAG, "Error parsing owners information file", e); |
| } finally { |
| IoUtils.closeQuietly(input); |
| } |
| } |
| |
| abstract void writeInner(XmlSerializer out) throws IOException; |
| |
| abstract boolean readInner(XmlPullParser parser, int depth, String tag); |
| } |
| |
| private class DeviceOwnerReadWriter extends FileReadWriter { |
| |
| protected DeviceOwnerReadWriter() { |
| super(getDeviceOwnerFileWithTestOverride()); |
| } |
| |
| @Override |
| boolean shouldWrite() { |
| return (mDeviceOwner != null) || (mSystemUpdatePolicy != null) |
| || (mSystemUpdateInfo != null); |
| } |
| |
| @Override |
| void writeInner(XmlSerializer out) throws IOException { |
| if (mDeviceOwner != null) { |
| mDeviceOwner.writeToXml(out, TAG_DEVICE_OWNER); |
| out.startTag(null, TAG_DEVICE_OWNER_CONTEXT); |
| out.attribute(null, ATTR_USERID, String.valueOf(mDeviceOwnerUserId)); |
| out.endTag(null, TAG_DEVICE_OWNER_CONTEXT); |
| } |
| |
| if (mSystemUpdatePolicy != null) { |
| out.startTag(null, TAG_SYSTEM_UPDATE_POLICY); |
| mSystemUpdatePolicy.saveToXml(out); |
| out.endTag(null, TAG_SYSTEM_UPDATE_POLICY); |
| } |
| |
| if (mSystemUpdateInfo != null) { |
| mSystemUpdateInfo.writeToXml(out, TAG_PENDING_OTA_INFO); |
| } |
| } |
| |
| @Override |
| boolean readInner(XmlPullParser parser, int depth, String tag) { |
| if (depth > 2) { |
| return true; // Ignore |
| } |
| switch (tag) { |
| case TAG_DEVICE_OWNER: |
| mDeviceOwner = OwnerInfo.readFromXml(parser); |
| mDeviceOwnerUserId = UserHandle.USER_SYSTEM; // Set default |
| break; |
| case TAG_DEVICE_OWNER_CONTEXT: { |
| final String userIdString = |
| parser.getAttributeValue(null, ATTR_USERID); |
| try { |
| mDeviceOwnerUserId = Integer.parseInt(userIdString); |
| } catch (NumberFormatException e) { |
| Slog.e(TAG, "Error parsing user-id " + userIdString); |
| } |
| break; |
| } |
| case TAG_DEVICE_INITIALIZER: |
| // Deprecated tag |
| break; |
| case TAG_SYSTEM_UPDATE_POLICY: |
| mSystemUpdatePolicy = SystemUpdatePolicy.restoreFromXml(parser); |
| break; |
| case TAG_PENDING_OTA_INFO: |
| mSystemUpdateInfo = SystemUpdateInfo.readFromXml(parser); |
| break; |
| default: |
| Slog.e(TAG, "Unexpected tag: " + tag); |
| return false; |
| |
| } |
| return true; |
| } |
| } |
| |
| private class ProfileOwnerReadWriter extends FileReadWriter { |
| private final int mUserId; |
| |
| ProfileOwnerReadWriter(int userId) { |
| super(getProfileOwnerFileWithTestOverride(userId)); |
| mUserId = userId; |
| } |
| |
| @Override |
| boolean shouldWrite() { |
| return mProfileOwners.get(mUserId) != null; |
| } |
| |
| @Override |
| void writeInner(XmlSerializer out) throws IOException { |
| final OwnerInfo profileOwner = mProfileOwners.get(mUserId); |
| if (profileOwner != null) { |
| profileOwner.writeToXml(out, TAG_PROFILE_OWNER); |
| } |
| } |
| |
| @Override |
| boolean readInner(XmlPullParser parser, int depth, String tag) { |
| if (depth > 2) { |
| return true; // Ignore |
| } |
| switch (tag) { |
| case TAG_PROFILE_OWNER: |
| mProfileOwners.put(mUserId, OwnerInfo.readFromXml(parser)); |
| break; |
| default: |
| Slog.e(TAG, "Unexpected tag: " + tag); |
| return false; |
| |
| } |
| return true; |
| } |
| } |
| |
| static class OwnerInfo { |
| public final String name; |
| public final String packageName; |
| public final ComponentName admin; |
| public boolean userRestrictionsMigrated; |
| public String remoteBugreportUri; |
| public String remoteBugreportHash; |
| |
| public OwnerInfo(String name, String packageName, boolean userRestrictionsMigrated, |
| String remoteBugreportUri, String remoteBugreportHash) { |
| this.name = name; |
| this.packageName = packageName; |
| this.admin = new ComponentName(packageName, ""); |
| this.userRestrictionsMigrated = userRestrictionsMigrated; |
| this.remoteBugreportUri = remoteBugreportUri; |
| this.remoteBugreportHash = remoteBugreportHash; |
| } |
| |
| public OwnerInfo(String name, ComponentName admin, boolean userRestrictionsMigrated, |
| String remoteBugreportUri, String remoteBugreportHash) { |
| this.name = name; |
| this.admin = admin; |
| this.packageName = admin.getPackageName(); |
| this.userRestrictionsMigrated = userRestrictionsMigrated; |
| this.remoteBugreportUri = remoteBugreportUri; |
| this.remoteBugreportHash = remoteBugreportHash; |
| } |
| |
| public void writeToXml(XmlSerializer out, String tag) throws IOException { |
| out.startTag(null, tag); |
| out.attribute(null, ATTR_PACKAGE, packageName); |
| if (name != null) { |
| out.attribute(null, ATTR_NAME, name); |
| } |
| if (admin != null) { |
| out.attribute(null, ATTR_COMPONENT_NAME, admin.flattenToString()); |
| } |
| out.attribute(null, ATTR_USER_RESTRICTIONS_MIGRATED, |
| String.valueOf(userRestrictionsMigrated)); |
| if (remoteBugreportUri != null) { |
| out.attribute(null, ATTR_REMOTE_BUGREPORT_URI, remoteBugreportUri); |
| } |
| if (remoteBugreportHash != null) { |
| out.attribute(null, ATTR_REMOTE_BUGREPORT_HASH, remoteBugreportHash); |
| } |
| out.endTag(null, tag); |
| } |
| |
| public static OwnerInfo readFromXml(XmlPullParser parser) { |
| final String packageName = parser.getAttributeValue(null, ATTR_PACKAGE); |
| final String name = parser.getAttributeValue(null, ATTR_NAME); |
| final String componentName = |
| parser.getAttributeValue(null, ATTR_COMPONENT_NAME); |
| final String userRestrictionsMigratedStr = |
| parser.getAttributeValue(null, ATTR_USER_RESTRICTIONS_MIGRATED); |
| final boolean userRestrictionsMigrated = |
| ("true".equals(userRestrictionsMigratedStr)); |
| final String remoteBugreportUri = parser.getAttributeValue(null, |
| ATTR_REMOTE_BUGREPORT_URI); |
| final String remoteBugreportHash = parser.getAttributeValue(null, |
| ATTR_REMOTE_BUGREPORT_HASH); |
| |
| // Has component name? If so, return [name, component] |
| if (componentName != null) { |
| final ComponentName admin = ComponentName.unflattenFromString(componentName); |
| if (admin != null) { |
| return new OwnerInfo(name, admin, userRestrictionsMigrated, |
| remoteBugreportUri, remoteBugreportHash); |
| } else { |
| // This shouldn't happen but switch from package name -> component name |
| // might have written bad device owner files. b/17652534 |
| Slog.e(TAG, "Error parsing owner file. Bad component name " + |
| componentName); |
| } |
| } |
| |
| // Else, build with [name, package] |
| return new OwnerInfo(name, packageName, userRestrictionsMigrated, remoteBugreportUri, |
| remoteBugreportHash); |
| } |
| |
| public void dump(String prefix, PrintWriter pw) { |
| pw.println(prefix + "admin=" + admin); |
| pw.println(prefix + "name=" + name); |
| pw.println(prefix + "package=" + packageName); |
| } |
| } |
| |
| public void dump(String prefix, PrintWriter pw) { |
| boolean needBlank = false; |
| if (mDeviceOwner != null) { |
| pw.println(prefix + "Device Owner: "); |
| mDeviceOwner.dump(prefix + " ", pw); |
| pw.println(prefix + " User ID: " + mDeviceOwnerUserId); |
| needBlank = true; |
| } |
| if (mSystemUpdatePolicy != null) { |
| if (needBlank) { |
| pw.println(); |
| } |
| pw.println(prefix + "System Update Policy: " + mSystemUpdatePolicy); |
| needBlank = true; |
| } |
| if (mProfileOwners != null) { |
| for (Map.Entry<Integer, OwnerInfo> entry : mProfileOwners.entrySet()) { |
| if (needBlank) { |
| pw.println(); |
| } |
| pw.println(prefix + "Profile Owner (User " + entry.getKey() + "): "); |
| entry.getValue().dump(prefix + " ", pw); |
| needBlank = true; |
| } |
| } |
| if (mSystemUpdateInfo != null) { |
| if (needBlank) { |
| pw.println(); |
| } |
| pw.println(prefix + "Pending System Update: " + mSystemUpdateInfo); |
| needBlank = true; |
| } |
| } |
| |
| File getLegacyConfigFileWithTestOverride() { |
| return new File(Environment.getDataSystemDirectory(), DEVICE_OWNER_XML_LEGACY); |
| } |
| |
| File getDeviceOwnerFileWithTestOverride() { |
| return new File(Environment.getDataSystemDirectory(), DEVICE_OWNER_XML); |
| } |
| |
| File getProfileOwnerFileWithTestOverride(int userId) { |
| return new File(Environment.getUserSystemDirectory(userId), PROFILE_OWNER_XML); |
| } |
| } |
