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cf0b38ca6e5aa5efded7dbdbb623f6cd2746c96a
frameworks_base/services/java/com/android/server/pm/Settings.java
Kenny Root cf0b38ca6e Split PackageManagerService into subclasses 
Split PackageManagerService from one monolithic class with several inner
classes to several classes. This will help determining how its data
structures can be reshuffled to provide better separation of concerns.

Change-Id: Ic7571daebdcf13ce08e08f34204c5bbf4140139b
2011-03-22 16:17:57 -07:00

1913 lines
84 KiB
Java
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/*
* Copyright (C) 2011 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.pm;
import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT;
import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED;
import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED;
import com.android.internal.util.FastXmlSerializer;
import com.android.internal.util.JournaledFile;
import com.android.internal.util.XmlUtils;
import com.android.server.IntentResolver;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import org.xmlpull.v1.XmlSerializer;
import android.content.pm.ApplicationInfo;
import android.content.pm.ComponentInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageParser;
import android.content.pm.PermissionInfo;
import android.content.pm.Signature;
import android.os.Environment;
import android.os.FileUtils;
import android.os.Process;
import android.util.Log;
import android.util.Slog;
import android.util.SparseArray;
import android.util.Xml;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
/**
* Holds information about dynamic settings.
*/
final class Settings {
private final File mSettingsFilename;
private final File mBackupSettingsFilename;
private final File mPackageListFilename;
private final File mStoppedPackagesFilename;
private final File mBackupStoppedPackagesFilename;
final HashMap<String, PackageSetting> mPackages =
new HashMap<String, PackageSetting>();
// List of replaced system applications
final HashMap<String, PackageSetting> mDisabledSysPackages =
new HashMap<String, PackageSetting>();
// These are the last platform API version we were using for
// the apps installed on internal and external storage. It is
// used to grant newer permissions one time during a system upgrade.
int mInternalSdkPlatform;
int mExternalSdkPlatform;
// The user's preferred activities associated with particular intent
// filters.
final IntentResolver<PreferredActivity, PreferredActivity> mPreferredActivities =
new IntentResolver<PreferredActivity, PreferredActivity>() {
@Override
protected String packageForFilter(PreferredActivity filter) {
return filter.mPref.mComponent.getPackageName();
}
@Override
protected void dumpFilter(PrintWriter out, String prefix,
PreferredActivity filter) {
filter.mPref.dump(out, prefix, filter);
}
};
final HashMap<String, SharedUserSetting> mSharedUsers =
new HashMap<String, SharedUserSetting>();
private final ArrayList<Object> mUserIds = new ArrayList<Object>();
private final SparseArray<Object> mOtherUserIds =
new SparseArray<Object>();
// For reading/writing settings file.
private final ArrayList<Signature> mPastSignatures =
new ArrayList<Signature>();
// Mapping from permission names to info about them.
final HashMap<String, BasePermission> mPermissions =
new HashMap<String, BasePermission>();
// Mapping from permission tree names to info about them.
final HashMap<String, BasePermission> mPermissionTrees =
new HashMap<String, BasePermission>();
// Packages that have been uninstalled and still need their external
// storage data deleted.
final ArrayList<String> mPackagesToBeCleaned = new ArrayList<String>();
// Packages that have been renamed since they were first installed.
// Keys are the new names of the packages, values are the original
// names. The packages appear everwhere else under their original
// names.
final HashMap<String, String> mRenamedPackages = new HashMap<String, String>();
final StringBuilder mReadMessages = new StringBuilder();
private final ArrayList<PendingPackage> mPendingPackages
= new ArrayList<PendingPackage>();
Settings() {
File dataDir = Environment.getDataDirectory();
File systemDir = new File(dataDir, "system");
// TODO(oam): This secure dir creation needs to be moved somewhere else (later)
File systemSecureDir = new File(dataDir, "secure/system");
systemDir.mkdirs();
systemSecureDir.mkdirs();
FileUtils.setPermissions(systemDir.toString(),
FileUtils.S_IRWXU|FileUtils.S_IRWXG
|FileUtils.S_IROTH|FileUtils.S_IXOTH,
-1, -1);
FileUtils.setPermissions(systemSecureDir.toString(),
FileUtils.S_IRWXU|FileUtils.S_IRWXG
|FileUtils.S_IROTH|FileUtils.S_IXOTH,
-1, -1);
mSettingsFilename = new File(systemDir, "packages.xml");
mBackupSettingsFilename = new File(systemDir, "packages-backup.xml");
mPackageListFilename = new File(systemDir, "packages.list");
mStoppedPackagesFilename = new File(systemDir, "packages-stopped.xml");
mBackupStoppedPackagesFilename = new File(systemDir, "packages-stopped-backup.xml");
}
PackageSetting getPackageLP(PackageParser.Package pkg, PackageSetting origPackage,
String realName, SharedUserSetting sharedUser, File codePath, File resourcePath,
String nativeLibraryPathString, int pkgFlags, boolean create, boolean add) {
final String name = pkg.packageName;
PackageSetting p = getPackageLP(name, origPackage, realName, sharedUser, codePath,
resourcePath, nativeLibraryPathString, pkg.mVersionCode, pkgFlags, create, add);
return p;
}
PackageSetting peekPackageLP(String name) {
return mPackages.get(name);
/*
PackageSetting p = mPackages.get(name);
if (p != null && p.codePath.getPath().equals(codePath)) {
return p;
}
return null;
*/
}
void setInstallStatus(String pkgName, int status) {
PackageSetting p = mPackages.get(pkgName);
if(p != null) {
if(p.getInstallStatus() != status) {
p.setInstallStatus(status);
}
}
}
void setInstallerPackageName(String pkgName,
String installerPkgName) {
PackageSetting p = mPackages.get(pkgName);
if(p != null) {
p.setInstallerPackageName(installerPkgName);
}
}
SharedUserSetting getSharedUserLP(String name,
int pkgFlags, boolean create) {
SharedUserSetting s = mSharedUsers.get(name);
if (s == null) {
if (!create) {
return null;
}
s = new SharedUserSetting(name, pkgFlags);
if (PackageManagerService.MULTIPLE_APPLICATION_UIDS) {
s.userId = newUserIdLP(s);
} else {
s.userId = PackageManagerService.FIRST_APPLICATION_UID;
}
Log.i(PackageManagerService.TAG, "New shared user " + name + ": id=" + s.userId);
// < 0 means we couldn't assign a userid; fall out and return
// s, which is currently null
if (s.userId >= 0) {
mSharedUsers.put(name, s);
}
}
return s;
}
boolean disableSystemPackageLP(String name) {
PackageSetting p = mPackages.get(name);
if(p == null) {
Log.w(PackageManagerService.TAG, "Package:"+name+" is not an installed package");
return false;
}
PackageSetting dp = mDisabledSysPackages.get(name);
// always make sure the system package code and resource paths dont change
if (dp == null) {
if((p.pkg != null) && (p.pkg.applicationInfo != null)) {
p.pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP;
}
mDisabledSysPackages.put(name, p);
// a little trick... when we install the new package, we don't
// want to modify the existing PackageSetting for the built-in
// version. so at this point we need a new PackageSetting that
// is okay to muck with.
PackageSetting newp = new PackageSetting(p);
replacePackageLP(name, newp);
return true;
}
return false;
}
PackageSetting enableSystemPackageLP(String name) {
PackageSetting p = mDisabledSysPackages.get(name);
if(p == null) {
Log.w(PackageManagerService.TAG, "Package:"+name+" is not disabled");
return null;
}
// Reset flag in ApplicationInfo object
if((p.pkg != null) && (p.pkg.applicationInfo != null)) {
p.pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_UPDATED_SYSTEM_APP;
}
PackageSetting ret = addPackageLP(name, p.realName, p.codePath, p.resourcePath,
p.nativeLibraryPathString, p.userId, p.versionCode, p.pkgFlags);
mDisabledSysPackages.remove(name);
return ret;
}
PackageSetting addPackageLP(String name, String realName, File codePath, File resourcePath,
String nativeLibraryPathString, int uid, int vc, int pkgFlags) {
PackageSetting p = mPackages.get(name);
if (p != null) {
if (p.userId == uid) {
return p;
}
PackageManagerService.reportSettingsProblem(Log.ERROR,
"Adding duplicate package, keeping first: " + name);
return null;
}
p = new PackageSetting(name, realName, codePath, resourcePath, nativeLibraryPathString,
vc, pkgFlags);
p.userId = uid;
if (addUserIdLP(uid, p, name)) {
mPackages.put(name, p);
return p;
}
return null;
}
SharedUserSetting addSharedUserLP(String name, int uid, int pkgFlags) {
SharedUserSetting s = mSharedUsers.get(name);
if (s != null) {
if (s.userId == uid) {
return s;
}
PackageManagerService.reportSettingsProblem(Log.ERROR,
"Adding duplicate shared user, keeping first: " + name);
return null;
}
s = new SharedUserSetting(name, pkgFlags);
s.userId = uid;
if (addUserIdLP(uid, s, name)) {
mSharedUsers.put(name, s);
return s;
}
return null;
}
// Transfer ownership of permissions from one package to another.
void transferPermissions(String origPkg, String newPkg) {
// Transfer ownership of permissions to the new package.
for (int i=0; i<2; i++) {
HashMap<String, BasePermission> permissions =
i == 0 ? mPermissionTrees : mPermissions;
for (BasePermission bp : permissions.values()) {
if (origPkg.equals(bp.sourcePackage)) {
if (PackageManagerService.DEBUG_UPGRADE) Log.v(PackageManagerService.TAG,
"Moving permission " + bp.name
+ " from pkg " + bp.sourcePackage
+ " to " + newPkg);
bp.sourcePackage = newPkg;
bp.packageSetting = null;
bp.perm = null;
if (bp.pendingInfo != null) {
bp.pendingInfo.packageName = newPkg;
}
bp.uid = 0;
bp.gids = null;
}
}
}
}
private PackageSetting getPackageLP(String name, PackageSetting origPackage,
String realName, SharedUserSetting sharedUser, File codePath, File resourcePath,
String nativeLibraryPathString, int vc, int pkgFlags, boolean create, boolean add) {
PackageSetting p = mPackages.get(name);
if (p != null) {
if (!p.codePath.equals(codePath)) {
// Check to see if its a disabled system app
if ((p.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) {
// This is an updated system app with versions in both system
// and data partition. Just let the most recent version
// take precedence.
Slog.w(PackageManagerService.TAG, "Trying to update system app code path from " +
p.codePathString + " to " + codePath.toString());
} else {
// Just a change in the code path is not an issue, but
// let's log a message about it.
Slog.i(PackageManagerService.TAG, "Package " + name + " codePath changed from " + p.codePath
+ " to " + codePath + "; Retaining data and using new");
/*
* Since we've changed paths, we need to prefer the new
* native library path over the one stored in the
* package settings since we might have moved from
* internal to external storage or vice versa.
*/
p.nativeLibraryPathString = nativeLibraryPathString;
}
}
if (p.sharedUser != sharedUser) {
PackageManagerService.reportSettingsProblem(Log.WARN,
"Package " + name + " shared user changed from "
+ (p.sharedUser != null ? p.sharedUser.name : "<nothing>")
+ " to "
+ (sharedUser != null ? sharedUser.name : "<nothing>")
+ "; replacing with new");
p = null;
} else {
if ((pkgFlags&ApplicationInfo.FLAG_SYSTEM) != 0) {
// If what we are scanning is a system package, then
// make it so, regardless of whether it was previously
// installed only in the data partition.
p.pkgFlags |= ApplicationInfo.FLAG_SYSTEM;
}
}
}
if (p == null) {
// Create a new PackageSettings entry. this can end up here because
// of code path mismatch or user id mismatch of an updated system partition
if (!create) {
return null;
}
if (origPackage != null) {
// We are consuming the data from an existing package.
p = new PackageSetting(origPackage.name, name, codePath, resourcePath,
nativeLibraryPathString, vc, pkgFlags);
if (PackageManagerService.DEBUG_UPGRADE) Log.v(PackageManagerService.TAG, "Package " + name
+ " is adopting original package " + origPackage.name);
// Note that we will retain the new package's signature so
// that we can keep its data.
PackageSignatures s = p.signatures;
p.copyFrom(origPackage);
p.signatures = s;
p.sharedUser = origPackage.sharedUser;
p.userId = origPackage.userId;
p.origPackage = origPackage;
mRenamedPackages.put(name, origPackage.name);
name = origPackage.name;
// Update new package state.
p.setTimeStamp(codePath.lastModified());
} else {
p = new PackageSetting(name, realName, codePath, resourcePath,
nativeLibraryPathString, vc, pkgFlags);
p.setTimeStamp(codePath.lastModified());
p.sharedUser = sharedUser;
// If this is not a system app, it starts out stopped.
if ((pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) {
if (PackageManagerService.DEBUG_STOPPED) {
RuntimeException e = new RuntimeException("here");
e.fillInStackTrace();
Slog.i(PackageManagerService.TAG, "Stopping package " + name, e);
}
p.stopped = true;
p.notLaunched = true;
}
if (sharedUser != null) {
p.userId = sharedUser.userId;
} else if (PackageManagerService.MULTIPLE_APPLICATION_UIDS) {
// Clone the setting here for disabled system packages
PackageSetting dis = mDisabledSysPackages.get(name);
if (dis != null) {
// For disabled packages a new setting is created
// from the existing user id. This still has to be
// added to list of user id's
// Copy signatures from previous setting
if (dis.signatures.mSignatures != null) {
p.signatures.mSignatures = dis.signatures.mSignatures.clone();
}
p.userId = dis.userId;
// Clone permissions
p.grantedPermissions = new HashSet<String>(dis.grantedPermissions);
// Clone component info
p.disabledComponents = new HashSet<String>(dis.disabledComponents);
p.enabledComponents = new HashSet<String>(dis.enabledComponents);
// Add new setting to list of user ids
addUserIdLP(p.userId, p, name);
} else {
// Assign new user id
p.userId = newUserIdLP(p);
}
} else {
p.userId = PackageManagerService.FIRST_APPLICATION_UID;
}
}
if (p.userId < 0) {
PackageManagerService.reportSettingsProblem(Log.WARN,
"Package " + name + " could not be assigned a valid uid");
return null;
}
if (add) {
// Finish adding new package by adding it and updating shared
// user preferences
addPackageSettingLP(p, name, sharedUser);
}
}
return p;
}
void insertPackageSettingLP(PackageSetting p, PackageParser.Package pkg) {
p.pkg = pkg;
pkg.mSetEnabled = p.enabled;
pkg.mSetStopped = p.stopped;
final String codePath = pkg.applicationInfo.sourceDir;
final String resourcePath = pkg.applicationInfo.publicSourceDir;
// Update code path if needed
if (!codePath.equalsIgnoreCase(p.codePathString)) {
Slog.w(PackageManagerService.TAG, "Code path for pkg : " + p.pkg.packageName +
" changing from " + p.codePathString + " to " + codePath);
p.codePath = new File(codePath);
p.codePathString = codePath;
}
//Update resource path if needed
if (!resourcePath.equalsIgnoreCase(p.resourcePathString)) {
Slog.w(PackageManagerService.TAG, "Resource path for pkg : " + p.pkg.packageName +
" changing from " + p.resourcePathString + " to " + resourcePath);
p.resourcePath = new File(resourcePath);
p.resourcePathString = resourcePath;
}
// Update the native library path if needed
final String nativeLibraryPath = pkg.applicationInfo.nativeLibraryDir;
if (nativeLibraryPath != null
&& !nativeLibraryPath.equalsIgnoreCase(p.nativeLibraryPathString)) {
p.nativeLibraryPathString = nativeLibraryPath;
}
// Update version code if needed
if (pkg.mVersionCode != p.versionCode) {
p.versionCode = pkg.mVersionCode;
}
// Update signatures if needed.
if (p.signatures.mSignatures == null) {
p.signatures.assignSignatures(pkg.mSignatures);
}
// If this app defines a shared user id initialize
// the shared user signatures as well.
if (p.sharedUser != null && p.sharedUser.signatures.mSignatures == null) {
p.sharedUser.signatures.assignSignatures(pkg.mSignatures);
}
addPackageSettingLP(p, pkg.packageName, p.sharedUser);
}
// Utility method that adds a PackageSetting to mPackages and
// completes updating the shared user attributes
private void addPackageSettingLP(PackageSetting p, String name,
SharedUserSetting sharedUser) {
mPackages.put(name, p);
if (sharedUser != null) {
if (p.sharedUser != null && p.sharedUser != sharedUser) {
PackageManagerService.reportSettingsProblem(Log.ERROR,
"Package " + p.name + " was user "
+ p.sharedUser + " but is now " + sharedUser
+ "; I am not changing its files so it will probably fail!");
p.sharedUser.packages.remove(p);
} else if (p.userId != sharedUser.userId) {
PackageManagerService.reportSettingsProblem(Log.ERROR,
"Package " + p.name + " was user id " + p.userId
+ " but is now user " + sharedUser
+ " with id " + sharedUser.userId
+ "; I am not changing its files so it will probably fail!");
}
sharedUser.packages.add(p);
p.sharedUser = sharedUser;
p.userId = sharedUser.userId;
}
}
/*
* Update the shared user setting when a package using
* specifying the shared user id is removed. The gids
* associated with each permission of the deleted package
* are removed from the shared user's gid list only if its
* not in use by other permissions of packages in the
* shared user setting.
*/
void updateSharedUserPermsLP(PackageSetting deletedPs, int[] globalGids) {
if ( (deletedPs == null) || (deletedPs.pkg == null)) {
Slog.i(PackageManagerService.TAG, "Trying to update info for null package. Just ignoring");
return;
}
// No sharedUserId
if (deletedPs.sharedUser == null) {
return;
}
SharedUserSetting sus = deletedPs.sharedUser;
// Update permissions
for (String eachPerm: deletedPs.pkg.requestedPermissions) {
boolean used = false;
if (!sus.grantedPermissions.contains (eachPerm)) {
continue;
}
for (PackageSetting pkg:sus.packages) {
if (pkg.pkg != null &&
!pkg.pkg.packageName.equals(deletedPs.pkg.packageName) &&
pkg.pkg.requestedPermissions.contains(eachPerm)) {
used = true;
break;
}
}
if (!used) {
// can safely delete this permission from list
sus.grantedPermissions.remove(eachPerm);
}
}
// Update gids
int newGids[] = globalGids;
for (String eachPerm : sus.grantedPermissions) {
BasePermission bp = mPermissions.get(eachPerm);
if (bp != null) {
newGids = PackageManagerService.appendInts(newGids, bp.gids);
}
}
sus.gids = newGids;
}
int removePackageLP(String name) {
PackageSetting p = mPackages.get(name);
if (p != null) {
mPackages.remove(name);
if (p.sharedUser != null) {
p.sharedUser.packages.remove(p);
if (p.sharedUser.packages.size() == 0) {
mSharedUsers.remove(p.sharedUser.name);
removeUserIdLP(p.sharedUser.userId);
return p.sharedUser.userId;
}
} else {
removeUserIdLP(p.userId);
return p.userId;
}
}
return -1;
}
private void replacePackageLP(String name, PackageSetting newp) {
PackageSetting p = mPackages.get(name);
if (p != null) {
if (p.sharedUser != null) {
p.sharedUser.packages.remove(p);
p.sharedUser.packages.add(newp);
} else {
replaceUserIdLP(p.userId, newp);
}
}
mPackages.put(name, newp);
}
private boolean addUserIdLP(int uid, Object obj, Object name) {
if (uid >= PackageManagerService.FIRST_APPLICATION_UID + PackageManagerService.MAX_APPLICATION_UIDS) {
return false;
}
if (uid >= PackageManagerService.FIRST_APPLICATION_UID) {
int N = mUserIds.size();
final int index = uid - PackageManagerService.FIRST_APPLICATION_UID;
while (index >= N) {
mUserIds.add(null);
N++;
}
if (mUserIds.get(index) != null) {
PackageManagerService.reportSettingsProblem(Log.ERROR,
"Adding duplicate user id: " + uid
+ " name=" + name);
return false;
}
mUserIds.set(index, obj);
} else {
if (mOtherUserIds.get(uid) != null) {
PackageManagerService.reportSettingsProblem(Log.ERROR,
"Adding duplicate shared id: " + uid
+ " name=" + name);
return false;
}
mOtherUserIds.put(uid, obj);
}
return true;
}
public Object getUserIdLP(int uid) {
if (uid >= PackageManagerService.FIRST_APPLICATION_UID) {
final int N = mUserIds.size();
final int index = uid - PackageManagerService.FIRST_APPLICATION_UID;
return index < N ? mUserIds.get(index) : null;
} else {
return mOtherUserIds.get(uid);
}
}
private void removeUserIdLP(int uid) {
if (uid >= PackageManagerService.FIRST_APPLICATION_UID) {
final int N = mUserIds.size();
final int index = uid - PackageManagerService.FIRST_APPLICATION_UID;
if (index < N) mUserIds.set(index, null);
} else {
mOtherUserIds.remove(uid);
}
}
private void replaceUserIdLP(int uid, Object obj) {
if (uid >= PackageManagerService.FIRST_APPLICATION_UID) {
final int N = mUserIds.size();
final int index = uid - PackageManagerService.FIRST_APPLICATION_UID;
if (index < N) mUserIds.set(index, obj);
} else {
mOtherUserIds.put(uid, obj);
}
}
void writeStoppedLP() {
// Keep the old stopped packages around until we know the new ones have
// been successfully written.
if (mStoppedPackagesFilename.exists()) {
// Presence of backup settings file indicates that we failed
// to persist packages earlier. So preserve the older
// backup for future reference since the current packages
// might have been corrupted.
if (!mBackupStoppedPackagesFilename.exists()) {
if (!mStoppedPackagesFilename.renameTo(mBackupStoppedPackagesFilename)) {
Log.wtf(PackageManagerService.TAG, "Unable to backup package manager stopped packages, "
+ "current changes will be lost at reboot");
return;
}
} else {
mStoppedPackagesFilename.delete();
Slog.w(PackageManagerService.TAG, "Preserving older stopped packages backup");
}
}
try {
FileOutputStream fstr = new FileOutputStream(mStoppedPackagesFilename);
BufferedOutputStream str = new BufferedOutputStream(fstr);
//XmlSerializer serializer = XmlUtils.serializerInstance();
XmlSerializer serializer = new FastXmlSerializer();
serializer.setOutput(str, "utf-8");
serializer.startDocument(null, true);
serializer.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true);
serializer.startTag(null, "stopped-packages");
for (PackageSetting pkg : mPackages.values()) {
if (pkg.stopped) {
serializer.startTag(null, "pkg");
serializer.attribute(null, "name", pkg.name);
if (pkg.notLaunched) {
serializer.attribute(null, "nl", "1");
}
serializer.endTag(null, "pkg");
}
}
serializer.endTag(null, "stopped-packages");
serializer.endDocument();
str.flush();
FileUtils.sync(fstr);
str.close();
// New settings successfully written, old ones are no longer
// needed.
mBackupStoppedPackagesFilename.delete();
FileUtils.setPermissions(mStoppedPackagesFilename.toString(),
FileUtils.S_IRUSR|FileUtils.S_IWUSR
|FileUtils.S_IRGRP|FileUtils.S_IWGRP
|FileUtils.S_IROTH,
-1, -1);
// Done, all is good!
return;
} catch(java.io.IOException e) {
Log.wtf(PackageManagerService.TAG, "Unable to write package manager stopped packages, "
+ " current changes will be lost at reboot", e);
}
// Clean up partially written files
if (mStoppedPackagesFilename.exists()) {
if (!mStoppedPackagesFilename.delete()) {
Log.i(PackageManagerService.TAG, "Failed to clean up mangled file: " + mStoppedPackagesFilename);
}
}
}
// Note: assumed "stopped" field is already cleared in all packages.
void readStoppedLP() {
FileInputStream str = null;
if (mBackupStoppedPackagesFilename.exists()) {
try {
str = new FileInputStream(mBackupStoppedPackagesFilename);
mReadMessages.append("Reading from backup stopped packages file\n");
PackageManagerService.reportSettingsProblem(Log.INFO, "Need to read from backup stopped packages file");
if (mSettingsFilename.exists()) {
// If both the backup and normal file exist, we
// ignore the normal one since it might have been
// corrupted.
Slog.w(PackageManagerService.TAG, "Cleaning up stopped packages file "
+ mStoppedPackagesFilename);
mStoppedPackagesFilename.delete();
}
} catch (java.io.IOException e) {
// We'll try for the normal settings file.
}
}
try {
if (str == null) {
if (!mStoppedPackagesFilename.exists()) {
mReadMessages.append("No stopped packages file found\n");
PackageManagerService.reportSettingsProblem(Log.INFO, "No stopped packages file file; "
+ "assuming all started");
// At first boot, make sure no packages are stopped.
// We usually want to have third party apps initialize
// in the stopped state, but not at first boot.
for (PackageSetting pkg : mPackages.values()) {
pkg.stopped = false;
pkg.notLaunched = false;
}
return;
}
str = new FileInputStream(mStoppedPackagesFilename);
}
XmlPullParser parser = Xml.newPullParser();
parser.setInput(str, null);
int type;
while ((type=parser.next()) != XmlPullParser.START_TAG
&& type != XmlPullParser.END_DOCUMENT) {
;
}
if (type != XmlPullParser.START_TAG) {
mReadMessages.append("No start tag found in stopped packages file\n");
PackageManagerService.reportSettingsProblem(Log.WARN,
"No start tag found in package manager stopped packages");
return;
}
int outerDepth = parser.getDepth();
while ((type=parser.next()) != XmlPullParser.END_DOCUMENT
&& (type != XmlPullParser.END_TAG
|| parser.getDepth() > outerDepth)) {
if (type == XmlPullParser.END_TAG
|| type == XmlPullParser.TEXT) {
continue;
}
String tagName = parser.getName();
if (tagName.equals("pkg")) {
String name = parser.getAttributeValue(null, "name");
PackageSetting ps = mPackages.get(name);
if (ps != null) {
ps.stopped = true;
if ("1".equals(parser.getAttributeValue(null, "nl"))) {
ps.notLaunched = true;
}
} else {
Slog.w(PackageManagerService.TAG, "No package known for stopped package: " + name);
}
XmlUtils.skipCurrentTag(parser);
} else {
Slog.w(PackageManagerService.TAG, "Unknown element under <stopped-packages>: "
+ parser.getName());
XmlUtils.skipCurrentTag(parser);
}
}
str.close();
} catch(XmlPullParserException e) {
mReadMessages.append("Error reading: " + e.toString());
PackageManagerService.reportSettingsProblem(Log.ERROR, "Error reading stopped packages: " + e);
Log.wtf(PackageManagerService.TAG, "Error reading package manager stopped packages", e);
} catch(java.io.IOException e) {
mReadMessages.append("Error reading: " + e.toString());
PackageManagerService.reportSettingsProblem(Log.ERROR, "Error reading settings: " + e);
Log.wtf(PackageManagerService.TAG, "Error reading package manager stopped packages", e);
}
}
void writeLP() {
//Debug.startMethodTracing("/data/system/packageprof", 8 * 1024 * 1024);
// Keep the old settings around until we know the new ones have
// been successfully written.
if (mSettingsFilename.exists()) {
// Presence of backup settings file indicates that we failed
// to persist settings earlier. So preserve the older
// backup for future reference since the current settings
// might have been corrupted.
if (!mBackupSettingsFilename.exists()) {
if (!mSettingsFilename.renameTo(mBackupSettingsFilename)) {
Log.wtf(PackageManagerService.TAG, "Unable to backup package manager settings, "
+ " current changes will be lost at reboot");
return;
}
} else {
mSettingsFilename.delete();
Slog.w(PackageManagerService.TAG, "Preserving older settings backup");
}
}
mPastSignatures.clear();
try {
FileOutputStream fstr = new FileOutputStream(mSettingsFilename);
BufferedOutputStream str = new BufferedOutputStream(fstr);
//XmlSerializer serializer = XmlUtils.serializerInstance();
XmlSerializer serializer = new FastXmlSerializer();
serializer.setOutput(str, "utf-8");
serializer.startDocument(null, true);
serializer.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true);
serializer.startTag(null, "packages");
serializer.startTag(null, "last-platform-version");
serializer.attribute(null, "internal", Integer.toString(mInternalSdkPlatform));
serializer.attribute(null, "external", Integer.toString(mExternalSdkPlatform));
serializer.endTag(null, "last-platform-version");
serializer.startTag(null, "permission-trees");
for (BasePermission bp : mPermissionTrees.values()) {
writePermission(serializer, bp);
}
serializer.endTag(null, "permission-trees");
serializer.startTag(null, "permissions");
for (BasePermission bp : mPermissions.values()) {
writePermission(serializer, bp);
}
serializer.endTag(null, "permissions");
for (PackageSetting pkg : mPackages.values()) {
writePackage(serializer, pkg);
}
for (PackageSetting pkg : mDisabledSysPackages.values()) {
writeDisabledSysPackage(serializer, pkg);
}
serializer.startTag(null, "preferred-activities");
for (PreferredActivity pa : mPreferredActivities.filterSet()) {
serializer.startTag(null, "item");
pa.writeToXml(serializer);
serializer.endTag(null, "item");
}
serializer.endTag(null, "preferred-activities");
for (SharedUserSetting usr : mSharedUsers.values()) {
serializer.startTag(null, "shared-user");
serializer.attribute(null, "name", usr.name);
serializer.attribute(null, "userId",
Integer.toString(usr.userId));
usr.signatures.writeXml(serializer, "sigs", mPastSignatures);
serializer.startTag(null, "perms");
for (String name : usr.grantedPermissions) {
serializer.startTag(null, "item");
serializer.attribute(null, "name", name);
serializer.endTag(null, "item");
}
serializer.endTag(null, "perms");
serializer.endTag(null, "shared-user");
}
if (mPackagesToBeCleaned.size() > 0) {
for (int i=0; i<mPackagesToBeCleaned.size(); i++) {
serializer.startTag(null, "cleaning-package");
serializer.attribute(null, "name", mPackagesToBeCleaned.get(i));
serializer.endTag(null, "cleaning-package");
}
}
if (mRenamedPackages.size() > 0) {
for (HashMap.Entry<String, String> e : mRenamedPackages.entrySet()) {
serializer.startTag(null, "renamed-package");
serializer.attribute(null, "new", e.getKey());
serializer.attribute(null, "old", e.getValue());
serializer.endTag(null, "renamed-package");
}
}
serializer.endTag(null, "packages");
serializer.endDocument();
str.flush();
FileUtils.sync(fstr);
str.close();
// New settings successfully written, old ones are no longer
// needed.
mBackupSettingsFilename.delete();
FileUtils.setPermissions(mSettingsFilename.toString(),
FileUtils.S_IRUSR|FileUtils.S_IWUSR
|FileUtils.S_IRGRP|FileUtils.S_IWGRP
|FileUtils.S_IROTH,
-1, -1);
// Write package list file now, use a JournaledFile.
//
File tempFile = new File(mPackageListFilename.toString() + ".tmp");
JournaledFile journal = new JournaledFile(mPackageListFilename, tempFile);
fstr = new FileOutputStream(journal.chooseForWrite());
str = new BufferedOutputStream(fstr);
try {
StringBuilder sb = new StringBuilder();
for (PackageSetting pkg : mPackages.values()) {
ApplicationInfo ai = pkg.pkg.applicationInfo;
String dataPath = ai.dataDir;
boolean isDebug = (ai.flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0;
// Avoid any application that has a space in its path
// or that is handled by the system.
if (dataPath.indexOf(" ") >= 0 || ai.uid <= Process.FIRST_APPLICATION_UID)
continue;
// we store on each line the following information for now:
//
// pkgName - package name
// userId - application-specific user id
// debugFlag - 0 or 1 if the package is debuggable.
// dataPath - path to package's data path
//
// NOTE: We prefer not to expose all ApplicationInfo flags for now.
//
// DO NOT MODIFY THIS FORMAT UNLESS YOU CAN ALSO MODIFY ITS USERS
// FROM NATIVE CODE. AT THE MOMENT, LOOK AT THE FOLLOWING SOURCES:
// system/core/run-as/run-as.c
//
sb.setLength(0);
sb.append(ai.packageName);
sb.append(" ");
sb.append((int)ai.uid);
sb.append(isDebug ? " 1 " : " 0 ");
sb.append(dataPath);
sb.append("\n");
str.write(sb.toString().getBytes());
}
str.flush();
FileUtils.sync(fstr);
str.close();
journal.commit();
}
catch (Exception e) {
journal.rollback();
}
FileUtils.setPermissions(mPackageListFilename.toString(),
FileUtils.S_IRUSR|FileUtils.S_IWUSR
|FileUtils.S_IRGRP|FileUtils.S_IWGRP
|FileUtils.S_IROTH,
-1, -1);
writeStoppedLP();
return;
} catch(XmlPullParserException e) {
Log.wtf(PackageManagerService.TAG, "Unable to write package manager settings, "
+ "current changes will be lost at reboot", e);
} catch(java.io.IOException e) {
Log.wtf(PackageManagerService.TAG, "Unable to write package manager settings, "
+ "current changes will be lost at reboot", e);
}
// Clean up partially written files
if (mSettingsFilename.exists()) {
if (!mSettingsFilename.delete()) {
Log.wtf(PackageManagerService.TAG, "Failed to clean up mangled file: " + mSettingsFilename);
}
}
//Debug.stopMethodTracing();
}
void writeDisabledSysPackage(XmlSerializer serializer, final PackageSetting pkg)
throws java.io.IOException {
serializer.startTag(null, "updated-package");
serializer.attribute(null, "name", pkg.name);
if (pkg.realName != null) {
serializer.attribute(null, "realName", pkg.realName);
}
serializer.attribute(null, "codePath", pkg.codePathString);
serializer.attribute(null, "ft", Long.toHexString(pkg.timeStamp));
serializer.attribute(null, "it", Long.toHexString(pkg.firstInstallTime));
serializer.attribute(null, "ut", Long.toHexString(pkg.lastUpdateTime));
serializer.attribute(null, "version", String.valueOf(pkg.versionCode));
if (!pkg.resourcePathString.equals(pkg.codePathString)) {
serializer.attribute(null, "resourcePath", pkg.resourcePathString);
}
if (pkg.nativeLibraryPathString != null) {
serializer.attribute(null, "nativeLibraryPath", pkg.nativeLibraryPathString);
}
if (pkg.sharedUser == null) {
serializer.attribute(null, "userId", Integer.toString(pkg.userId));
} else {
serializer.attribute(null, "sharedUserId", Integer.toString(pkg.userId));
}
serializer.startTag(null, "perms");
if (pkg.sharedUser == null) {
// If this is a shared user, the permissions will
// be written there. We still need to write an
// empty permissions list so permissionsFixed will
// be set.
for (final String name : pkg.grantedPermissions) {
BasePermission bp = mPermissions.get(name);
if (bp != null) {
// We only need to write signature or system permissions but
// this wont
// match the semantics of grantedPermissions. So write all
// permissions.
serializer.startTag(null, "item");
serializer.attribute(null, "name", name);
serializer.endTag(null, "item");
}
}
}
serializer.endTag(null, "perms");
serializer.endTag(null, "updated-package");
}
void writePackage(XmlSerializer serializer, final PackageSetting pkg)
throws java.io.IOException {
serializer.startTag(null, "package");
serializer.attribute(null, "name", pkg.name);
if (pkg.realName != null) {
serializer.attribute(null, "realName", pkg.realName);
}
serializer.attribute(null, "codePath", pkg.codePathString);
if (!pkg.resourcePathString.equals(pkg.codePathString)) {
serializer.attribute(null, "resourcePath", pkg.resourcePathString);
}
if (pkg.nativeLibraryPathString != null) {
serializer.attribute(null, "nativeLibraryPath", pkg.nativeLibraryPathString);
}
serializer.attribute(null, "flags", Integer.toString(pkg.pkgFlags));
serializer.attribute(null, "ft", Long.toHexString(pkg.timeStamp));
serializer.attribute(null, "it", Long.toHexString(pkg.firstInstallTime));
serializer.attribute(null, "ut", Long.toHexString(pkg.lastUpdateTime));
serializer.attribute(null, "version", String.valueOf(pkg.versionCode));
if (pkg.sharedUser == null) {
serializer.attribute(null, "userId", Integer.toString(pkg.userId));
} else {
serializer.attribute(null, "sharedUserId", Integer.toString(pkg.userId));
}
if (pkg.uidError) {
serializer.attribute(null, "uidError", "true");
}
if (pkg.enabled != COMPONENT_ENABLED_STATE_DEFAULT) {
serializer.attribute(null, "enabled",
pkg.enabled == COMPONENT_ENABLED_STATE_ENABLED ? "true" : "false");
}
if (pkg.installStatus == PackageSettingBase.PKG_INSTALL_INCOMPLETE) {
serializer.attribute(null, "installStatus", "false");
}
if (pkg.installerPackageName != null) {
serializer.attribute(null, "installer", pkg.installerPackageName);
}
pkg.signatures.writeXml(serializer, "sigs", mPastSignatures);
if ((pkg.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) {
serializer.startTag(null, "perms");
if (pkg.sharedUser == null) {
// If this is a shared user, the permissions will
// be written there. We still need to write an
// empty permissions list so permissionsFixed will
// be set.
for (final String name : pkg.grantedPermissions) {
serializer.startTag(null, "item");
serializer.attribute(null, "name", name);
serializer.endTag(null, "item");
}
}
serializer.endTag(null, "perms");
}
if (pkg.disabledComponents.size() > 0) {
serializer.startTag(null, "disabled-components");
for (final String name : pkg.disabledComponents) {
serializer.startTag(null, "item");
serializer.attribute(null, "name", name);
serializer.endTag(null, "item");
}
serializer.endTag(null, "disabled-components");
}
if (pkg.enabledComponents.size() > 0) {
serializer.startTag(null, "enabled-components");
for (final String name : pkg.enabledComponents) {
serializer.startTag(null, "item");
serializer.attribute(null, "name", name);
serializer.endTag(null, "item");
}
serializer.endTag(null, "enabled-components");
}
serializer.endTag(null, "package");
}
void writePermission(XmlSerializer serializer, BasePermission bp)
throws XmlPullParserException, java.io.IOException {
if (bp.type != BasePermission.TYPE_BUILTIN && bp.sourcePackage != null) {
serializer.startTag(null, "item");
serializer.attribute(null, "name", bp.name);
serializer.attribute(null, "package", bp.sourcePackage);
if (bp.protectionLevel != PermissionInfo.PROTECTION_NORMAL) {
serializer.attribute(null, "protection", Integer.toString(bp.protectionLevel));
}
if (PackageManagerService.DEBUG_SETTINGS)
Log.v(PackageManagerService.TAG, "Writing perm: name=" + bp.name + " type="
+ bp.type);
if (bp.type == BasePermission.TYPE_DYNAMIC) {
PermissionInfo pi = bp.perm != null ? bp.perm.info : bp.pendingInfo;
if (pi != null) {
serializer.attribute(null, "type", "dynamic");
if (pi.icon != 0) {
serializer.attribute(null, "icon", Integer.toString(pi.icon));
}
if (pi.nonLocalizedLabel != null) {
serializer.attribute(null, "label", pi.nonLocalizedLabel.toString());
}
}
}
serializer.endTag(null, "item");
}
}
ArrayList<PackageSetting> getListOfIncompleteInstallPackages() {
HashSet<String> kList = new HashSet<String>(mPackages.keySet());
Iterator<String> its = kList.iterator();
ArrayList<PackageSetting> ret = new ArrayList<PackageSetting>();
while (its.hasNext()) {
String key = its.next();
PackageSetting ps = mPackages.get(key);
if (ps.getInstallStatus() == PackageSettingBase.PKG_INSTALL_INCOMPLETE) {
ret.add(ps);
}
}
return ret;
}
boolean readLP() {
FileInputStream str = null;
if (mBackupSettingsFilename.exists()) {
try {
str = new FileInputStream(mBackupSettingsFilename);
mReadMessages.append("Reading from backup settings file\n");
PackageManagerService.reportSettingsProblem(Log.INFO,
"Need to read from backup settings file");
if (mSettingsFilename.exists()) {
// If both the backup and settings file exist, we
// ignore the settings since it might have been
// corrupted.
Slog.w(PackageManagerService.TAG, "Cleaning up settings file "
+ mSettingsFilename);
mSettingsFilename.delete();
}
} catch (java.io.IOException e) {
// We'll try for the normal settings file.
}
}
mPastSignatures.clear();
try {
if (str == null) {
if (!mSettingsFilename.exists()) {
mReadMessages.append("No settings file found\n");
PackageManagerService.reportSettingsProblem(Log.INFO,
"No settings file; creating initial state");
return false;
}
str = new FileInputStream(mSettingsFilename);
}
XmlPullParser parser = Xml.newPullParser();
parser.setInput(str, null);
int type;
while ((type = parser.next()) != XmlPullParser.START_TAG
&& type != XmlPullParser.END_DOCUMENT) {
;
}
if (type != XmlPullParser.START_TAG) {
mReadMessages.append("No start tag found in settings file\n");
PackageManagerService.reportSettingsProblem(Log.WARN,
"No start tag found in package manager settings");
Log
.wtf(PackageManagerService.TAG,
"No start tag found in package manager settings");
return false;
}
int outerDepth = parser.getDepth();
while ((type = parser.next()) != XmlPullParser.END_DOCUMENT
&& (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) {
if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {
continue;
}
String tagName = parser.getName();
if (tagName.equals("package")) {
readPackageLP(parser);
} else if (tagName.equals("permissions")) {
readPermissionsLP(mPermissions, parser);
} else if (tagName.equals("permission-trees")) {
readPermissionsLP(mPermissionTrees, parser);
} else if (tagName.equals("shared-user")) {
readSharedUserLP(parser);
} else if (tagName.equals("preferred-packages")) {
// no longer used.
} else if (tagName.equals("preferred-activities")) {
readPreferredActivitiesLP(parser);
} else if (tagName.equals("updated-package")) {
readDisabledSysPackageLP(parser);
} else if (tagName.equals("cleaning-package")) {
String name = parser.getAttributeValue(null, "name");
if (name != null) {
mPackagesToBeCleaned.add(name);
}
} else if (tagName.equals("renamed-package")) {
String nname = parser.getAttributeValue(null, "new");
String oname = parser.getAttributeValue(null, "old");
if (nname != null && oname != null) {
mRenamedPackages.put(nname, oname);
}
} else if (tagName.equals("last-platform-version")) {
mInternalSdkPlatform = mExternalSdkPlatform = 0;
try {
String internal = parser.getAttributeValue(null, "internal");
if (internal != null) {
mInternalSdkPlatform = Integer.parseInt(internal);
}
String external = parser.getAttributeValue(null, "external");
if (external != null) {
mExternalSdkPlatform = Integer.parseInt(external);
}
} catch (NumberFormatException e) {
}
} else {
Slog.w(PackageManagerService.TAG, "Unknown element under <packages>: "
+ parser.getName());
XmlUtils.skipCurrentTag(parser);
}
}
str.close();
} catch (XmlPullParserException e) {
mReadMessages.append("Error reading: " + e.toString());
PackageManagerService.reportSettingsProblem(Log.ERROR, "Error reading settings: " + e);
Log.wtf(PackageManagerService.TAG, "Error reading package manager settings", e);
} catch (java.io.IOException e) {
mReadMessages.append("Error reading: " + e.toString());
PackageManagerService.reportSettingsProblem(Log.ERROR, "Error reading settings: " + e);
Log.wtf(PackageManagerService.TAG, "Error reading package manager settings", e);
}
final int N = mPendingPackages.size();
for (int i = 0; i < N; i++) {
final PendingPackage pp = mPendingPackages.get(i);
Object idObj = getUserIdLP(pp.sharedId);
if (idObj != null && idObj instanceof SharedUserSetting) {
PackageSetting p = getPackageLP(pp.name, null, pp.realName,
(SharedUserSetting) idObj, pp.codePath, pp.resourcePath,
pp.nativeLibraryPathString, pp.versionCode, pp.pkgFlags, true, true);
if (p == null) {
PackageManagerService.reportSettingsProblem(Log.WARN,
"Unable to create application package for " + pp.name);
continue;
}
p.copyFrom(pp);
} else if (idObj != null) {
String msg = "Bad package setting: package " + pp.name + " has shared uid "
+ pp.sharedId + " that is not a shared uid\n";
mReadMessages.append(msg);
PackageManagerService.reportSettingsProblem(Log.ERROR, msg);
} else {
String msg = "Bad package setting: package " + pp.name + " has shared uid "
+ pp.sharedId + " that is not defined\n";
mReadMessages.append(msg);
PackageManagerService.reportSettingsProblem(Log.ERROR, msg);
}
}
mPendingPackages.clear();
readStoppedLP();
mReadMessages.append("Read completed successfully: " + mPackages.size() + " packages, "
+ mSharedUsers.size() + " shared uids\n");
return true;
}
private int readInt(XmlPullParser parser, String ns, String name, int defValue) {
String v = parser.getAttributeValue(ns, name);
try {
if (v == null) {
return defValue;
}
return Integer.parseInt(v);
} catch (NumberFormatException e) {
PackageManagerService.reportSettingsProblem(Log.WARN,
"Error in package manager settings: attribute " + name
+ " has bad integer value " + v + " at "
+ parser.getPositionDescription());
}
return defValue;
}
private void readPermissionsLP(HashMap<String, BasePermission> out, XmlPullParser parser)
throws IOException, XmlPullParserException {
int outerDepth = parser.getDepth();
int type;
while ((type = parser.next()) != XmlPullParser.END_DOCUMENT
&& (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) {
if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {
continue;
}
String tagName = parser.getName();
if (tagName.equals("item")) {
String name = parser.getAttributeValue(null, "name");
String sourcePackage = parser.getAttributeValue(null, "package");
String ptype = parser.getAttributeValue(null, "type");
if (name != null && sourcePackage != null) {
boolean dynamic = "dynamic".equals(ptype);
BasePermission bp = new BasePermission(name, sourcePackage,
dynamic ? BasePermission.TYPE_DYNAMIC : BasePermission.TYPE_NORMAL);
bp.protectionLevel = readInt(parser, null, "protection",
PermissionInfo.PROTECTION_NORMAL);
if (dynamic) {
PermissionInfo pi = new PermissionInfo();
pi.packageName = sourcePackage.intern();
pi.name = name.intern();
pi.icon = readInt(parser, null, "icon", 0);
pi.nonLocalizedLabel = parser.getAttributeValue(null, "label");
pi.protectionLevel = bp.protectionLevel;
bp.pendingInfo = pi;
}
out.put(bp.name, bp);
} else {
PackageManagerService.reportSettingsProblem(Log.WARN,
"Error in package manager settings: permissions has" + " no name at "
+ parser.getPositionDescription());
}
} else {
PackageManagerService.reportSettingsProblem(Log.WARN,
"Unknown element reading permissions: " + parser.getName() + " at "
+ parser.getPositionDescription());
}
XmlUtils.skipCurrentTag(parser);
}
}
private void readDisabledSysPackageLP(XmlPullParser parser) throws XmlPullParserException,
IOException {
String name = parser.getAttributeValue(null, "name");
String realName = parser.getAttributeValue(null, "realName");
String codePathStr = parser.getAttributeValue(null, "codePath");
String resourcePathStr = parser.getAttributeValue(null, "resourcePath");
String nativeLibraryPathStr = parser.getAttributeValue(null, "nativeLibraryPath");
if (resourcePathStr == null) {
resourcePathStr = codePathStr;
}
String version = parser.getAttributeValue(null, "version");
int versionCode = 0;
if (version != null) {
try {
versionCode = Integer.parseInt(version);
} catch (NumberFormatException e) {
}
}
int pkgFlags = 0;
pkgFlags |= ApplicationInfo.FLAG_SYSTEM;
PackageSetting ps = new PackageSetting(name, realName, new File(codePathStr),
new File(resourcePathStr), nativeLibraryPathStr, versionCode, pkgFlags);
String timeStampStr = parser.getAttributeValue(null, "ft");
if (timeStampStr != null) {
try {
long timeStamp = Long.parseLong(timeStampStr, 16);
ps.setTimeStamp(timeStamp);
} catch (NumberFormatException e) {
}
} else {
timeStampStr = parser.getAttributeValue(null, "ts");
if (timeStampStr != null) {
try {
long timeStamp = Long.parseLong(timeStampStr);
ps.setTimeStamp(timeStamp);
} catch (NumberFormatException e) {
}
}
}
timeStampStr = parser.getAttributeValue(null, "it");
if (timeStampStr != null) {
try {
ps.firstInstallTime = Long.parseLong(timeStampStr, 16);
} catch (NumberFormatException e) {
}
}
timeStampStr = parser.getAttributeValue(null, "ut");
if (timeStampStr != null) {
try {
ps.lastUpdateTime = Long.parseLong(timeStampStr, 16);
} catch (NumberFormatException e) {
}
}
String idStr = parser.getAttributeValue(null, "userId");
ps.userId = idStr != null ? Integer.parseInt(idStr) : 0;
if (ps.userId <= 0) {
String sharedIdStr = parser.getAttributeValue(null, "sharedUserId");
ps.userId = sharedIdStr != null ? Integer.parseInt(sharedIdStr) : 0;
}
int outerDepth = parser.getDepth();
int type;
while ((type = parser.next()) != XmlPullParser.END_DOCUMENT
&& (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) {
if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {
continue;
}
String tagName = parser.getName();
if (tagName.equals("perms")) {
readGrantedPermissionsLP(parser, ps.grantedPermissions);
} else {
PackageManagerService.reportSettingsProblem(Log.WARN,
"Unknown element under <updated-package>: " + parser.getName());
XmlUtils.skipCurrentTag(parser);
}
}
mDisabledSysPackages.put(name, ps);
}
private void readPackageLP(XmlPullParser parser) throws XmlPullParserException, IOException {
String name = null;
String realName = null;
String idStr = null;
String sharedIdStr = null;
String codePathStr = null;
String resourcePathStr = null;
String nativeLibraryPathStr = null;
String systemStr = null;
String installerPackageName = null;
String uidError = null;
int pkgFlags = 0;
long timeStamp = 0;
long firstInstallTime = 0;
long lastUpdateTime = 0;
PackageSettingBase packageSetting = null;
String version = null;
int versionCode = 0;
try {
name = parser.getAttributeValue(null, "name");
realName = parser.getAttributeValue(null, "realName");
idStr = parser.getAttributeValue(null, "userId");
uidError = parser.getAttributeValue(null, "uidError");
sharedIdStr = parser.getAttributeValue(null, "sharedUserId");
codePathStr = parser.getAttributeValue(null, "codePath");
resourcePathStr = parser.getAttributeValue(null, "resourcePath");
nativeLibraryPathStr = parser.getAttributeValue(null, "nativeLibraryPath");
version = parser.getAttributeValue(null, "version");
if (version != null) {
try {
versionCode = Integer.parseInt(version);
} catch (NumberFormatException e) {
}
}
installerPackageName = parser.getAttributeValue(null, "installer");
systemStr = parser.getAttributeValue(null, "flags");
if (systemStr != null) {
try {
pkgFlags = Integer.parseInt(systemStr);
} catch (NumberFormatException e) {
}
} else {
// For backward compatibility
systemStr = parser.getAttributeValue(null, "system");
if (systemStr != null) {
pkgFlags |= ("true".equalsIgnoreCase(systemStr)) ? ApplicationInfo.FLAG_SYSTEM
: 0;
} else {
// Old settings that don't specify system... just treat
// them as system, good enough.
pkgFlags |= ApplicationInfo.FLAG_SYSTEM;
}
}
String timeStampStr = parser.getAttributeValue(null, "ft");
if (timeStampStr != null) {
try {
timeStamp = Long.parseLong(timeStampStr, 16);
} catch (NumberFormatException e) {
}
} else {
timeStampStr = parser.getAttributeValue(null, "ts");
if (timeStampStr != null) {
try {
timeStamp = Long.parseLong(timeStampStr);
} catch (NumberFormatException e) {
}
}
}
timeStampStr = parser.getAttributeValue(null, "it");
if (timeStampStr != null) {
try {
firstInstallTime = Long.parseLong(timeStampStr, 16);
} catch (NumberFormatException e) {
}
}
timeStampStr = parser.getAttributeValue(null, "ut");
if (timeStampStr != null) {
try {
lastUpdateTime = Long.parseLong(timeStampStr, 16);
} catch (NumberFormatException e) {
}
}
if (PackageManagerService.DEBUG_SETTINGS)
Log.v(PackageManagerService.TAG, "Reading package: " + name + " userId=" + idStr
+ " sharedUserId=" + sharedIdStr);
int userId = idStr != null ? Integer.parseInt(idStr) : 0;
if (resourcePathStr == null) {
resourcePathStr = codePathStr;
}
if (realName != null) {
realName = realName.intern();
}
if (name == null) {
PackageManagerService.reportSettingsProblem(Log.WARN,
"Error in package manager settings: <package> has no name at "
+ parser.getPositionDescription());
} else if (codePathStr == null) {
PackageManagerService.reportSettingsProblem(Log.WARN,
"Error in package manager settings: <package> has no codePath at "
+ parser.getPositionDescription());
} else if (userId > 0) {
packageSetting = addPackageLP(name.intern(), realName, new File(codePathStr),
new File(resourcePathStr), nativeLibraryPathStr, userId, versionCode,
pkgFlags);
if (PackageManagerService.DEBUG_SETTINGS)
Log.i(PackageManagerService.TAG, "Reading package " + name + ": userId="
+ userId + " pkg=" + packageSetting);
if (packageSetting == null) {
PackageManagerService.reportSettingsProblem(Log.ERROR, "Failure adding uid "
+ userId + " while parsing settings at "
+ parser.getPositionDescription());
} else {
packageSetting.setTimeStamp(timeStamp);
packageSetting.firstInstallTime = firstInstallTime;
packageSetting.lastUpdateTime = lastUpdateTime;
}
} else if (sharedIdStr != null) {
userId = sharedIdStr != null ? Integer.parseInt(sharedIdStr) : 0;
if (userId > 0) {
packageSetting = new PendingPackage(name.intern(), realName, new File(
codePathStr), new File(resourcePathStr), nativeLibraryPathStr, userId,
versionCode, pkgFlags);
packageSetting.setTimeStamp(timeStamp);
packageSetting.firstInstallTime = firstInstallTime;
packageSetting.lastUpdateTime = lastUpdateTime;
mPendingPackages.add((PendingPackage) packageSetting);
if (PackageManagerService.DEBUG_SETTINGS)
Log.i(PackageManagerService.TAG, "Reading package " + name
+ ": sharedUserId=" + userId + " pkg=" + packageSetting);
} else {
PackageManagerService.reportSettingsProblem(Log.WARN,
"Error in package manager settings: package " + name
+ " has bad sharedId " + sharedIdStr + " at "
+ parser.getPositionDescription());
}
} else {
PackageManagerService.reportSettingsProblem(Log.WARN,
"Error in package manager settings: package " + name + " has bad userId "
+ idStr + " at " + parser.getPositionDescription());
}
} catch (NumberFormatException e) {
PackageManagerService.reportSettingsProblem(Log.WARN,
"Error in package manager settings: package " + name + " has bad userId "
+ idStr + " at " + parser.getPositionDescription());
}
if (packageSetting != null) {
packageSetting.uidError = "true".equals(uidError);
packageSetting.installerPackageName = installerPackageName;
packageSetting.nativeLibraryPathString = nativeLibraryPathStr;
final String enabledStr = parser.getAttributeValue(null, "enabled");
if (enabledStr != null) {
if (enabledStr.equalsIgnoreCase("true")) {
packageSetting.enabled = COMPONENT_ENABLED_STATE_ENABLED;
} else if (enabledStr.equalsIgnoreCase("false")) {
packageSetting.enabled = COMPONENT_ENABLED_STATE_DISABLED;
} else if (enabledStr.equalsIgnoreCase("default")) {
packageSetting.enabled = COMPONENT_ENABLED_STATE_DEFAULT;
} else {
PackageManagerService.reportSettingsProblem(Log.WARN,
"Error in package manager settings: package " + name
+ " has bad enabled value: " + idStr + " at "
+ parser.getPositionDescription());
}
} else {
packageSetting.enabled = COMPONENT_ENABLED_STATE_DEFAULT;
}
final String installStatusStr = parser.getAttributeValue(null, "installStatus");
if (installStatusStr != null) {
if (installStatusStr.equalsIgnoreCase("false")) {
packageSetting.installStatus = PackageSettingBase.PKG_INSTALL_INCOMPLETE;
} else {
packageSetting.installStatus = PackageSettingBase.PKG_INSTALL_COMPLETE;
}
}
int outerDepth = parser.getDepth();
int type;
while ((type = parser.next()) != XmlPullParser.END_DOCUMENT
&& (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) {
if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {
continue;
}
String tagName = parser.getName();
if (tagName.equals("disabled-components")) {
readDisabledComponentsLP(packageSetting, parser);
} else if (tagName.equals("enabled-components")) {
readEnabledComponentsLP(packageSetting, parser);
} else if (tagName.equals("sigs")) {
packageSetting.signatures.readXml(parser, mPastSignatures);
} else if (tagName.equals("perms")) {
readGrantedPermissionsLP(parser, packageSetting.grantedPermissions);
packageSetting.permissionsFixed = true;
} else {
PackageManagerService.reportSettingsProblem(Log.WARN,
"Unknown element under <package>: " + parser.getName());
XmlUtils.skipCurrentTag(parser);
}
}
} else {
XmlUtils.skipCurrentTag(parser);
}
}
private void readDisabledComponentsLP(PackageSettingBase packageSetting, XmlPullParser parser)
throws IOException, XmlPullParserException {
int outerDepth = parser.getDepth();
int type;
while ((type = parser.next()) != XmlPullParser.END_DOCUMENT
&& (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) {
if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {
continue;
}
String tagName = parser.getName();
if (tagName.equals("item")) {
String name = parser.getAttributeValue(null, "name");
if (name != null) {
packageSetting.disabledComponents.add(name.intern());
} else {
PackageManagerService.reportSettingsProblem(Log.WARN,
"Error in package manager settings: <disabled-components> has"
+ " no name at " + parser.getPositionDescription());
}
} else {
PackageManagerService.reportSettingsProblem(Log.WARN,
"Unknown element under <disabled-components>: " + parser.getName());
}
XmlUtils.skipCurrentTag(parser);
}
}
private void readEnabledComponentsLP(PackageSettingBase packageSetting, XmlPullParser parser)
throws IOException, XmlPullParserException {
int outerDepth = parser.getDepth();
int type;
while ((type = parser.next()) != XmlPullParser.END_DOCUMENT
&& (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) {
if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {
continue;
}
String tagName = parser.getName();
if (tagName.equals("item")) {
String name = parser.getAttributeValue(null, "name");
if (name != null) {
packageSetting.enabledComponents.add(name.intern());
} else {
PackageManagerService.reportSettingsProblem(Log.WARN,
"Error in package manager settings: <enabled-components> has"
+ " no name at " + parser.getPositionDescription());
}
} else {
PackageManagerService.reportSettingsProblem(Log.WARN,
"Unknown element under <enabled-components>: " + parser.getName());
}
XmlUtils.skipCurrentTag(parser);
}
}
private void readSharedUserLP(XmlPullParser parser) throws XmlPullParserException, IOException {
String name = null;
String idStr = null;
int pkgFlags = 0;
SharedUserSetting su = null;
try {
name = parser.getAttributeValue(null, "name");
idStr = parser.getAttributeValue(null, "userId");
int userId = idStr != null ? Integer.parseInt(idStr) : 0;
if ("true".equals(parser.getAttributeValue(null, "system"))) {
pkgFlags |= ApplicationInfo.FLAG_SYSTEM;
}
if (name == null) {
PackageManagerService.reportSettingsProblem(Log.WARN,
"Error in package manager settings: <shared-user> has no name at "
+ parser.getPositionDescription());
} else if (userId == 0) {
PackageManagerService.reportSettingsProblem(Log.WARN,
"Error in package manager settings: shared-user " + name
+ " has bad userId " + idStr + " at "
+ parser.getPositionDescription());
} else {
if ((su = addSharedUserLP(name.intern(), userId, pkgFlags)) == null) {
PackageManagerService
.reportSettingsProblem(Log.ERROR, "Occurred while parsing settings at "
+ parser.getPositionDescription());
}
}
} catch (NumberFormatException e) {
PackageManagerService.reportSettingsProblem(Log.WARN,
"Error in package manager settings: package " + name + " has bad userId "
+ idStr + " at " + parser.getPositionDescription());
}
;
if (su != null) {
int outerDepth = parser.getDepth();
int type;
while ((type = parser.next()) != XmlPullParser.END_DOCUMENT
&& (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) {
if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {
continue;
}
String tagName = parser.getName();
if (tagName.equals("sigs")) {
su.signatures.readXml(parser, mPastSignatures);
} else if (tagName.equals("perms")) {
readGrantedPermissionsLP(parser, su.grantedPermissions);
} else {
PackageManagerService.reportSettingsProblem(Log.WARN,
"Unknown element under <shared-user>: " + parser.getName());
XmlUtils.skipCurrentTag(parser);
}
}
} else {
XmlUtils.skipCurrentTag(parser);
}
}
private void readGrantedPermissionsLP(XmlPullParser parser, HashSet<String> outPerms)
throws IOException, XmlPullParserException {
int outerDepth = parser.getDepth();
int type;
while ((type = parser.next()) != XmlPullParser.END_DOCUMENT
&& (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) {
if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {
continue;
}
String tagName = parser.getName();
if (tagName.equals("item")) {
String name = parser.getAttributeValue(null, "name");
if (name != null) {
outPerms.add(name.intern());
} else {
PackageManagerService.reportSettingsProblem(Log.WARN,
"Error in package manager settings: <perms> has" + " no name at "
+ parser.getPositionDescription());
}
} else {
PackageManagerService.reportSettingsProblem(Log.WARN,
"Unknown element under <perms>: " + parser.getName());
}
XmlUtils.skipCurrentTag(parser);
}
}
private void readPreferredActivitiesLP(XmlPullParser parser) throws XmlPullParserException,
IOException {
int outerDepth = parser.getDepth();
int type;
while ((type = parser.next()) != XmlPullParser.END_DOCUMENT
&& (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) {
if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {
continue;
}
String tagName = parser.getName();
if (tagName.equals("item")) {
PreferredActivity pa = new PreferredActivity(parser);
if (pa.mPref.getParseError() == null) {
mPreferredActivities.addFilter(pa);
} else {
PackageManagerService.reportSettingsProblem(Log.WARN,
"Error in package manager settings: <preferred-activity> "
+ pa.mPref.getParseError() + " at "
+ parser.getPositionDescription());
}
} else {
PackageManagerService.reportSettingsProblem(Log.WARN,
"Unknown element under <preferred-activities>: " + parser.getName());
XmlUtils.skipCurrentTag(parser);
}
}
}
// Returns -1 if we could not find an available UserId to assign
private int newUserIdLP(Object obj) {
// Let's be stupidly inefficient for now...
final int N = mUserIds.size();
for (int i = 0; i < N; i++) {
if (mUserIds.get(i) == null) {
mUserIds.set(i, obj);
return PackageManagerService.FIRST_APPLICATION_UID + i;
}
}
// None left?
if (N >= PackageManagerService.MAX_APPLICATION_UIDS) {
return -1;
}
mUserIds.add(obj);
return PackageManagerService.FIRST_APPLICATION_UID + N;
}
public PackageSetting getDisabledSystemPkg(String name) {
synchronized (mPackages) {
PackageSetting ps = mDisabledSysPackages.get(name);
return ps;
}
}
boolean isEnabledLP(ComponentInfo componentInfo, int flags) {
if ((flags&PackageManager.GET_DISABLED_COMPONENTS) != 0) {
return true;
}
final PackageSetting packageSettings = mPackages.get(componentInfo.packageName);
if (PackageManagerService.DEBUG_SETTINGS) {
Log.v(PackageManagerService.TAG, "isEnabledLock - packageName = " + componentInfo.packageName
+ " componentName = " + componentInfo.name);
Log.v(PackageManagerService.TAG, "enabledComponents: "
+ Arrays.toString(packageSettings.enabledComponents.toArray()));
Log.v(PackageManagerService.TAG, "disabledComponents: "
+ Arrays.toString(packageSettings.disabledComponents.toArray()));
}
if (packageSettings == null) {
return false;
}
if (packageSettings.enabled == COMPONENT_ENABLED_STATE_DISABLED
|| (packageSettings.pkg != null && !packageSettings.pkg.applicationInfo.enabled
&& packageSettings.enabled == COMPONENT_ENABLED_STATE_DEFAULT)) {
return false;
}
if (packageSettings.enabledComponents.contains(componentInfo.name)) {
return true;
}
if (packageSettings.disabledComponents.contains(componentInfo.name)) {
return false;
}
return componentInfo.enabled;
}
}
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