/*
* Copyright (C) 2008 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 android.annotation.AppIdInt;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.annotation.UserIdInt;
import android.content.Context;
import android.content.pm.PackageStats;
import android.os.Build;
import android.os.IBinder;
import android.os.IBinder.DeathRecipient;
import android.os.IInstalld;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.text.format.DateUtils;
import android.util.Slog;
import com.android.internal.os.BackgroundThread;
import com.android.server.SystemService;
import dalvik.system.VMRuntime;
import java.io.FileDescriptor;
public class Installer extends SystemService {
private static final String TAG = "Installer";
/* ***************************************************************************
* IMPORTANT: These values are passed to native code. Keep them in sync with
* frameworks/native/cmds/installd/installd.h
* **************************************************************************/
/** Application should be visible to everyone */
public static final int DEXOPT_PUBLIC = 1 << 1;
/** Application wants to allow debugging of its code */
public static final int DEXOPT_DEBUGGABLE = 1 << 2;
/** The system boot has finished */
public static final int DEXOPT_BOOTCOMPLETE = 1 << 3;
/** Hint that the dexopt type is profile-guided. */
public static final int DEXOPT_PROFILE_GUIDED = 1 << 4;
/** The compilation is for a secondary dex file. */
public static final int DEXOPT_SECONDARY_DEX = 1 << 5;
/** Ignore the result of dexoptNeeded and force compilation. */
public static final int DEXOPT_FORCE = 1 << 6;
/** Indicates that the dex file passed to dexopt in on CE storage. */
public static final int DEXOPT_STORAGE_CE = 1 << 7;
/** Indicates that the dex file passed to dexopt in on DE storage. */
public static final int DEXOPT_STORAGE_DE = 1 << 8;
/** Indicates that dexopt is invoked from the background service. */
public static final int DEXOPT_IDLE_BACKGROUND_JOB = 1 << 9;
/** Indicates that dexopt should restrict access to private APIs. */
public static final int DEXOPT_ENABLE_HIDDEN_API_CHECKS = 1 << 10;
/** Indicates that dexopt should convert to CompactDex. */
public static final int DEXOPT_GENERATE_COMPACT_DEX = 1 << 11;
/** Indicates that dexopt should generate an app image */
public static final int DEXOPT_GENERATE_APP_IMAGE = 1 << 12;
// NOTE: keep in sync with installd
public static final int FLAG_CLEAR_CACHE_ONLY = 1 << 8;
public static final int FLAG_CLEAR_CODE_CACHE_ONLY = 1 << 9;
public static final int FLAG_USE_QUOTA = 1 << 12;
public static final int FLAG_FREE_CACHE_V2 = 1 << 13;
public static final int FLAG_FREE_CACHE_V2_DEFY_QUOTA = 1 << 14;
public static final int FLAG_FREE_CACHE_NOOP = 1 << 15;
public static final int FLAG_FORCE = 1 << 16;
private final boolean mIsolated;
private volatile IInstalld mInstalld;
private volatile Object mWarnIfHeld;
public Installer(Context context) {
this(context, false);
}
/**
* @param isolated indicates if this object should <em>not</em> connect to
* the real {@code installd}. All remote calls will be ignored
* unless you extend this class and intercept them.
*/
public Installer(Context context, boolean isolated) {
super(context);
mIsolated = isolated;
}
/**
* Yell loudly if someone tries making future calls while holding a lock on
* the given object.
*/
public void setWarnIfHeld(Object warnIfHeld) {
mWarnIfHeld = warnIfHeld;
}
@Override
public void onStart() {
if (mIsolated) {
mInstalld = null;
} else {
connect();
}
}
private void connect() {
IBinder binder = ServiceManager.getService("installd");
if (binder != null) {
try {
binder.linkToDeath(new DeathRecipient() {
@Override
public void binderDied() {
Slog.w(TAG, "installd died; reconnecting");
connect();
}
}, 0);
} catch (RemoteException e) {
binder = null;
}
}
if (binder != null) {
mInstalld = IInstalld.Stub.asInterface(binder);
try {
invalidateMounts();
} catch (InstallerException ignored) {
}
} else {
Slog.w(TAG, "installd not found; trying again");
BackgroundThread.getHandler().postDelayed(() -> {
connect();
}, DateUtils.SECOND_IN_MILLIS);
}
}
/**
* Do several pre-flight checks before making a remote call.
*
* @return if the remote call should continue.
*/
private boolean checkBeforeRemote() {
if (mWarnIfHeld != null && Thread.holdsLock(mWarnIfHeld)) {
Slog.wtf(TAG, "Calling thread " + Thread.currentThread().getName() + " is holding 0x"
+ Integer.toHexString(System.identityHashCode(mWarnIfHeld)), new Throwable());
}
if (mIsolated) {
Slog.i(TAG, "Ignoring request because this installer is isolated");
return false;
} else {
return true;
}
}
public long createAppData(String uuid, String packageName, int userId, int flags, int appId,
String seInfo, int targetSdkVersion) throws InstallerException {
if (!checkBeforeRemote()) return -1;
try {
return mInstalld.createAppData(uuid, packageName, userId, flags, appId, seInfo,
targetSdkVersion);
} catch (Exception e) {
throw InstallerException.from(e);
}
}
public void restoreconAppData(String uuid, String packageName, int userId, int flags, int appId,
String seInfo) throws InstallerException {
if (!checkBeforeRemote()) return;
try {
mInstalld.restoreconAppData(uuid, packageName, userId, flags, appId, seInfo);
} catch (Exception e) {
throw InstallerException.from(e);
}
}
public void migrateAppData(String uuid, String packageName, int userId, int flags)
throws InstallerException {
if (!checkBeforeRemote()) return;
try {
mInstalld.migrateAppData(uuid, packageName, userId, flags);
} catch (Exception e) {
throw InstallerException.from(e);
}
}
public void clearAppData(String uuid, String packageName, int userId, int flags,
long ceDataInode) throws InstallerException {
if (!checkBeforeRemote()) return;
try {
mInstalld.clearAppData(uuid, packageName, userId, flags, ceDataInode);
} catch (Exception e) {
throw InstallerException.from(e);
}
}
public void destroyAppData(String uuid, String packageName, int userId, int flags,
long ceDataInode) throws InstallerException {
if (!checkBeforeRemote()) return;
try {
mInstalld.destroyAppData(uuid, packageName, userId, flags, ceDataInode);
} catch (Exception e) {
throw InstallerException.from(e);
}
}
public void fixupAppData(String uuid, int flags) throws InstallerException {
if (!checkBeforeRemote()) return;
try {
mInstalld.fixupAppData(uuid, flags);
} catch (Exception e) {
throw InstallerException.from(e);
}
}
public void moveCompleteApp(String fromUuid, String toUuid, String packageName,
String dataAppName, int appId, String seInfo, int targetSdkVersion)
throws InstallerException {
if (!checkBeforeRemote()) return;
try {
mInstalld.moveCompleteApp(fromUuid, toUuid, packageName, dataAppName, appId, seInfo,
targetSdkVersion);
} catch (Exception e) {
throw InstallerException.from(e);
}
}
public void getAppSize(String uuid, String[] packageNames, int userId, int flags, int appId,
long[] ceDataInodes, String[] codePaths, PackageStats stats)
throws InstallerException {
if (!checkBeforeRemote()) return;
try {
final long[] res = mInstalld.getAppSize(uuid, packageNames, userId, flags,
appId, ceDataInodes, codePaths);
stats.codeSize += res[0];
stats.dataSize += res[1];
stats.cacheSize += res[2];
stats.externalCodeSize += res[3];
stats.externalDataSize += res[4];
stats.externalCacheSize += res[5];
} catch (Exception e) {
throw InstallerException.from(e);
}
}
public void getUserSize(String uuid, int userId, int flags, int[] appIds, PackageStats stats)
throws InstallerException {
if (!checkBeforeRemote()) return;
try {
final long[] res = mInstalld.getUserSize(uuid, userId, flags, appIds);
stats.codeSize += res[0];
stats.dataSize += res[1];
stats.cacheSize += res[2];
stats.externalCodeSize += res[3];
stats.externalDataSize += res[4];
stats.externalCacheSize += res[5];
} catch (Exception e) {
throw InstallerException.from(e);
}
}
public long[] getExternalSize(String uuid, int userId, int flags, int[] appIds)
throws InstallerException {
if (!checkBeforeRemote()) return new long[6];
try {
return mInstalld.getExternalSize(uuid, userId, flags, appIds);
} catch (Exception e) {
throw InstallerException.from(e);
}
}
public void setAppQuota(String uuid, int userId, int appId, long cacheQuota)
throws InstallerException {
if (!checkBeforeRemote()) return;
try {
mInstalld.setAppQuota(uuid, userId, appId, cacheQuota);
} catch (Exception e) {
throw InstallerException.from(e);
}
}
public void dexopt(String apkPath, int uid, @Nullable String pkgName, String instructionSet,
int dexoptNeeded, @Nullable String outputPath, int dexFlags,
String compilerFilter, @Nullable String volumeUuid, @Nullable String sharedLibraries,
@Nullable String seInfo, boolean downgrade, int targetSdkVersion,
@Nullable String profileName, @Nullable String dexMetadataPath,
@Nullable String compilationReason) throws InstallerException {
assertValidInstructionSet(instructionSet);
if (!checkBeforeRemote()) return;
try {
mInstalld.dexopt(apkPath, uid, pkgName, instructionSet, dexoptNeeded, outputPath,
dexFlags, compilerFilter, volumeUuid, sharedLibraries, seInfo, downgrade,
targetSdkVersion, profileName, dexMetadataPath, compilationReason);
} catch (Exception e) {
throw InstallerException.from(e);
}
}
public boolean mergeProfiles(int uid, String packageName, String profileName)
throws InstallerException {
if (!checkBeforeRemote()) return false;
try {
return mInstalld.mergeProfiles(uid, packageName, profileName);
} catch (Exception e) {
throw InstallerException.from(e);
}
}
public boolean dumpProfiles(int uid, String packageName, String profileName, String codePath)
throws InstallerException {
if (!checkBeforeRemote()) return false;
try {
return mInstalld.dumpProfiles(uid, packageName, profileName, codePath);
} catch (Exception e) {
throw InstallerException.from(e);
}
}
public boolean copySystemProfile(String systemProfile, int uid, String packageName,
String profileName) throws InstallerException {
if (!checkBeforeRemote()) return false;
try {
return mInstalld.copySystemProfile(systemProfile, uid, packageName, profileName);
} catch (Exception e) {
throw InstallerException.from(e);
}
}
public void idmap(String targetApkPath, String overlayApkPath, int uid)
throws InstallerException {
if (!checkBeforeRemote()) return;
try {
mInstalld.idmap(targetApkPath, overlayApkPath, uid);
} catch (Exception e) {
throw InstallerException.from(e);
}
}
public void removeIdmap(String overlayApkPath) throws InstallerException {
if (!checkBeforeRemote()) return;
try {
mInstalld.removeIdmap(overlayApkPath);
} catch (Exception e) {
throw InstallerException.from(e);
}
}
public void rmdex(String codePath, String instructionSet) throws InstallerException {
assertValidInstructionSet(instructionSet);
if (!checkBeforeRemote()) return;
try {
mInstalld.rmdex(codePath, instructionSet);
} catch (Exception e) {
throw InstallerException.from(e);
}
}
public void rmPackageDir(String packageDir) throws InstallerException {
if (!checkBeforeRemote()) return;
try {
mInstalld.rmPackageDir(packageDir);
} catch (Exception e) {
throw InstallerException.from(e);
}
}
public void clearAppProfiles(String packageName, String profileName) throws InstallerException {
if (!checkBeforeRemote()) return;
try {
mInstalld.clearAppProfiles(packageName, profileName);
} catch (Exception e) {
throw InstallerException.from(e);
}
}
public void destroyAppProfiles(String packageName) throws InstallerException {
if (!checkBeforeRemote()) return;
try {
mInstalld.destroyAppProfiles(packageName);
} catch (Exception e) {
throw InstallerException.from(e);
}
}
public void createUserData(String uuid, int userId, int userSerial, int flags)
throws InstallerException {
if (!checkBeforeRemote()) return;
try {
mInstalld.createUserData(uuid, userId, userSerial, flags);
} catch (Exception e) {
throw InstallerException.from(e);
}
}
public void destroyUserData(String uuid, int userId, int flags) throws InstallerException {
if (!checkBeforeRemote()) return;
try {
mInstalld.destroyUserData(uuid, userId, flags);
} catch (Exception e) {
throw InstallerException.from(e);
}
}
public void markBootComplete(String instructionSet) throws InstallerException {
assertValidInstructionSet(instructionSet);
if (!checkBeforeRemote()) return;
try {
mInstalld.markBootComplete(instructionSet);
} catch (Exception e) {
throw InstallerException.from(e);
}
}
public void freeCache(String uuid, long targetFreeBytes, long cacheReservedBytes, int flags)
throws InstallerException {
if (!checkBeforeRemote()) return;
try {
mInstalld.freeCache(uuid, targetFreeBytes, cacheReservedBytes, flags);
} catch (Exception e) {
throw InstallerException.from(e);
}
}
/**
* Links the 32 bit native library directory in an application's data
* directory to the real location for backward compatibility. Note that no
* such symlink is created for 64 bit shared libraries.
*/
public void linkNativeLibraryDirectory(String uuid, String packageName, String nativeLibPath32,
int userId) throws InstallerException {
if (!checkBeforeRemote()) return;
try {
mInstalld.linkNativeLibraryDirectory(uuid, packageName, nativeLibPath32, userId);
} catch (Exception e) {
throw InstallerException.from(e);
}
}
public void createOatDir(String oatDir, String dexInstructionSet)
throws InstallerException {
if (!checkBeforeRemote()) return;
try {
mInstalld.createOatDir(oatDir, dexInstructionSet);
} catch (Exception e) {
throw InstallerException.from(e);
}
}
public void linkFile(String relativePath, String fromBase, String toBase)
throws InstallerException {
if (!checkBeforeRemote()) return;
try {
mInstalld.linkFile(relativePath, fromBase, toBase);
} catch (Exception e) {
throw InstallerException.from(e);
}
}
public void moveAb(String apkPath, String instructionSet, String outputPath)
throws InstallerException {
if (!checkBeforeRemote()) return;
try {
mInstalld.moveAb(apkPath, instructionSet, outputPath);
} catch (Exception e) {
throw InstallerException.from(e);
}
}
public void deleteOdex(String apkPath, String instructionSet, String outputPath)
throws InstallerException {
if (!checkBeforeRemote()) return;
try {
mInstalld.deleteOdex(apkPath, instructionSet, outputPath);
} catch (Exception e) {
throw InstallerException.from(e);
}
}
public void installApkVerity(String filePath, FileDescriptor verityInput, int contentSize)
throws InstallerException {
if (!checkBeforeRemote()) return;
try {
mInstalld.installApkVerity(filePath, verityInput, contentSize);
} catch (Exception e) {
throw InstallerException.from(e);
}
}
public void assertFsverityRootHashMatches(String filePath, @NonNull byte[] expectedHash)
throws InstallerException {
if (!checkBeforeRemote()) return;
try {
mInstalld.assertFsverityRootHashMatches(filePath, expectedHash);
} catch (Exception e) {
throw InstallerException.from(e);
}
}
public boolean reconcileSecondaryDexFile(String apkPath, String packageName, int uid,
String[] isas, @Nullable String volumeUuid, int flags) throws InstallerException {
for (int i = 0; i < isas.length; i++) {
assertValidInstructionSet(isas[i]);
}
if (!checkBeforeRemote()) return false;
try {
return mInstalld.reconcileSecondaryDexFile(apkPath, packageName, uid, isas,
volumeUuid, flags);
} catch (Exception e) {
throw InstallerException.from(e);
}
}
public byte[] hashSecondaryDexFile(String dexPath, String packageName, int uid,
@Nullable String volumeUuid, int flags) throws InstallerException {
if (!checkBeforeRemote()) return new byte[0];
try {
return mInstalld.hashSecondaryDexFile(dexPath, packageName, uid, volumeUuid, flags);
} catch (Exception e) {
throw InstallerException.from(e);
}
}
public boolean createProfileSnapshot(int appId, String packageName, String profileName,
String classpath) throws InstallerException {
if (!checkBeforeRemote()) return false;
try {
return mInstalld.createProfileSnapshot(appId, packageName, profileName, classpath);
} catch (Exception e) {
throw InstallerException.from(e);
}
}
public void destroyProfileSnapshot(String packageName, String profileName)
throws InstallerException {
if (!checkBeforeRemote()) return;
try {
mInstalld.destroyProfileSnapshot(packageName, profileName);
} catch (Exception e) {
throw InstallerException.from(e);
}
}
public void invalidateMounts() throws InstallerException {
if (!checkBeforeRemote()) return;
try {
mInstalld.invalidateMounts();
} catch (Exception e) {
throw InstallerException.from(e);
}
}
public boolean isQuotaSupported(String volumeUuid) throws InstallerException {
if (!checkBeforeRemote()) return false;
try {
return mInstalld.isQuotaSupported(volumeUuid);
} catch (Exception e) {
throw InstallerException.from(e);
}
}
public boolean prepareAppProfile(String pkg, @UserIdInt int userId, @AppIdInt int appId,
String profileName, String codePath, String dexMetadataPath) throws InstallerException {
if (!checkBeforeRemote()) return false;
try {
return mInstalld.prepareAppProfile(pkg, userId, appId, profileName, codePath,
dexMetadataPath);
} catch (Exception e) {
throw InstallerException.from(e);
}
}
private static void assertValidInstructionSet(String instructionSet)
throws InstallerException {
for (String abi : Build.SUPPORTED_ABIS) {
if (VMRuntime.getInstructionSet(abi).equals(instructionSet)) {
return;
}
}
throw new InstallerException("Invalid instruction set: " + instructionSet);
}
public static class InstallerException extends Exception {
public InstallerException(String detailMessage) {
super(detailMessage);
}
public static InstallerException from(Exception e) throws InstallerException {
throw new InstallerException(e.toString());
}
}
}