Merge "compressed images on system partition" into oc-mr1-dev (513125a7) · Commits · e / os / android_frameworks_base

core/java/android/content/pm/PackageInfo.java

+5 −0

Original line number	Diff line number	Diff line
		@@ -251,6 +251,9 @@ public class PackageInfo implements Parcelable {
		*/
		public int installLocation = INSTALL_LOCATION_INTERNAL_ONLY;

		/** @hide */
		public boolean isStub;

		/** @hide */
		public boolean coreApp;

		@@ -324,6 +327,7 @@ public class PackageInfo implements Parcelable {
		dest.writeTypedArray(reqFeatures, parcelableFlags);
		dest.writeTypedArray(featureGroups, parcelableFlags);
		dest.writeInt(installLocation);
		dest.writeInt(isStub ? 1 : 0);
		dest.writeInt(coreApp ? 1 : 0);
		dest.writeInt(requiredForAllUsers ? 1 : 0);
		dest.writeString(restrictedAccountType);
		@@ -375,6 +379,7 @@ public class PackageInfo implements Parcelable {
		reqFeatures = source.createTypedArray(FeatureInfo.CREATOR);
		featureGroups = source.createTypedArray(FeatureGroupInfo.CREATOR);
		installLocation = source.readInt();
		isStub = source.readInt() != 0;
		coreApp = source.readInt() != 0;
		requiredForAllUsers = source.readInt() != 0;
		restrictedAccountType = source.readString();

core/java/android/content/pm/PackageParser.java

+4 −3

Original line number	Diff line number	Diff line
		@@ -665,6 +665,7 @@ public class PackageParser {
		pi.sharedUserLabel = p.mSharedUserLabel;
		pi.applicationInfo = generateApplicationInfo(p, flags, state, userId);
		pi.installLocation = p.installLocation;
		pi.isStub = p.isStub;
		pi.coreApp = p.coreApp;
		if ((pi.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0
		\|\| (pi.applicationInfo.flags&ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0) {
		@@ -5879,10 +5880,10 @@ public class PackageParser {

		public byte[] restrictUpdateHash;

		/**
		* Set if the app or any of its components are visible to Instant Apps.
		*/
		/** Set if the app or any of its components are visible to instant applications. */
		public boolean visibleToInstantApps;
		/** Whether or not the package is a stub and must be replaced by the full version. */
		public boolean isStub;

		public Package(String packageName) {
		this.packageName = packageName;

services/core/java/com/android/server/pm/PackageManagerService.java

+212 −16

Original line number	Diff line number	Diff line
		@@ -292,6 +292,7 @@ import dalvik.system.DexFile;
		import dalvik.system.VMRuntime;

		import libcore.io.IoUtils;
		import libcore.io.Streams;
		import libcore.util.EmptyArray;

		import org.xmlpull.v1.XmlPullParser;
		@@ -309,6 +310,8 @@ import java.io.FileOutputStream;
		import java.io.FileReader;
		import java.io.FilenameFilter;
		import java.io.IOException;
		import java.io.InputStream;
		import java.io.OutputStream;
		import java.io.PrintWriter;
		import java.lang.annotation.Retention;
		import java.lang.annotation.RetentionPolicy;
		@@ -340,6 +343,7 @@ import java.util.concurrent.Future;
		import java.util.concurrent.TimeUnit;
		import java.util.concurrent.atomic.AtomicBoolean;
		import java.util.concurrent.atomic.AtomicInteger;
		import java.util.zip.GZIPInputStream;

		/**
		* Keep track of all those APKs everywhere.
		@@ -393,6 +397,7 @@ public class PackageManagerService extends IPackageManager.Stub
		private static final boolean DEBUG_FILTERS = false;
		private static final boolean DEBUG_PERMISSIONS = false;
		private static final boolean DEBUG_SHARED_LIBRARIES = false;
		private static final boolean DEBUG_COMPRESSION = Build.IS_DEBUGGABLE;

		// Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService
		// and PackageDexOptimizer. All these classes have their own flag to allow switching a single
		@@ -447,6 +452,8 @@ public class PackageManagerService extends IPackageManager.Stub
		static final int FLAGS_REMOVE_CHATTY = 1<<31;

		private static final String STATIC_SHARED_LIB_DELIMITER = "_";
		/** Extension of the compressed packages */
		private final static String COMPRESSED_EXTENSION = ".gz";

		private static final int[] EMPTY_INT_ARRAY = new int[0];

		@@ -2634,9 +2641,21 @@ public class PackageManagerService extends IPackageManager.Stub
		\| PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0);

		// Prune any system packages that no longer exist.
		final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>();
		final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<>();
		// Stub packages must either be replaced with full versions in the /data
		// partition or be disabled.
		final List<String> stubSystemApps = new ArrayList<>();
		if (!mOnlyCore) {
		Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator();
		// do this first before mucking with mPackages for the "expecting better" case
		final Iterator<PackageParser.Package> pkgIterator = mPackages.values().iterator();
		while (pkgIterator.hasNext()) {
		final PackageParser.Package pkg = pkgIterator.next();
		if (pkg.isStub) {
		stubSystemApps.add(pkg.packageName);
		}
		}

		final Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator();
		while (psit.hasNext()) {
		PackageSetting ps = psit.next();

		@@ -2724,36 +2743,37 @@ public class PackageManagerService extends IPackageManager.Stub
		\| PackageParser.PARSE_FORWARD_LOCK,
		scanFlags \| SCAN_REQUIRE_KNOWN, 0);

		/**
		* Remove disable package settings for any updated system
		* apps that were removed via an OTA. If they're not a
		* previously-updated app, remove them completely.
		* Otherwise, just revoke their system-level permissions.
		*/
		// Remove disable package settings for updated system apps that were
		// removed via an OTA. If the update is no longer present, remove the
		// app completely. Otherwise, revoke their system privileges.
		for (String deletedAppName : possiblyDeletedUpdatedSystemApps) {
		PackageParser.Package deletedPkg = mPackages.get(deletedAppName);
		mSettings.removeDisabledSystemPackageLPw(deletedAppName);

		String msg;
		final String msg;
		if (deletedPkg == null) {
		// should have found an update, but, we didn't; remove everything
		msg = "Updated system package " + deletedAppName
		+ " no longer exists; it's data will be wiped";
		+ " no longer exists; removing its data";
		// Actual deletion of code and data will be handled by later
		// reconciliation step
		} else {
		msg = "Updated system app + " + deletedAppName
		+ " no longer present; removing system privileges for "
		+ deletedAppName;
		// found an update; revoke system privileges
		msg = "Updated system package + " + deletedAppName
		+ " no longer exists; revoking system privileges";

		deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM;
		// Don't do anything if a stub is removed from the system image. If
		// we were to remove the uncompressed version from the /data partition,
		// this is where it'd be done.

		PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName);
		final PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName);
		deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM;
		deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM;
		}
		logCriticalInfo(Log.WARN, msg);
		}

		/**
		/*
		* Make sure all system apps that we expected to appear on
		* the userdata partition actually showed up. If they never
		* appeared, crawl back and revive the system version.
		@@ -2795,6 +2815,11 @@ public class PackageManagerService extends IPackageManager.Stub
		}
		}
		}

		// Uncompress and install any stubbed system applications.
		// This must be done last to ensure all stubs are replaced or disabled.
		decompressSystemApplications(stubSystemApps, scanFlags);

		final long dataScanTime = SystemClock.uptimeMillis() - systemScanTime - startTime;
		final int dataPackagesCount = mPackages.size() - systemPackagesCount;
		Slog.i(TAG, "Finished scanning non-system apps. Time: " + dataScanTime
		@@ -3062,6 +3087,174 @@ public class PackageManagerService extends IPackageManager.Stub
		Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);
		}

		/**
		* Uncompress and install stub applications.
		* <p>In order to save space on the system partition, some applications are shipped in a
		* compressed form. In addition the compressed bits for the full application, the
		* system image contains a tiny stub comprised of only the Android manifest.
		* <p>During the first boot, attempt to uncompress and install the full application. If
		* the application can't be installed for any reason, disable the stub and prevent
		* uncompressing the full application during future boots.
		* <p>In order to forcefully attempt an installation of a full application, go to app
		* settings and enable the application.
		*/
		private void decompressSystemApplications(@NonNull List<String> stubSystemApps, int scanFlags) {
		for (int i = stubSystemApps.size() - 1; i >= 0; --i) {
		final String pkgName = stubSystemApps.get(i);
		// skip if the system package is already disabled
		if (mSettings.isDisabledSystemPackageLPr(pkgName)) {
		stubSystemApps.remove(i);
		continue;
		}
		// skip if the package isn't installed (?!); this should never happen
		final PackageParser.Package pkg = mPackages.get(pkgName);
		if (pkg == null) {
		stubSystemApps.remove(i);
		continue;
		}
		// skip if the package has been disabled by the user
		final PackageSetting ps = mSettings.mPackages.get(pkgName);
		if (ps != null) {
		final int enabledState = ps.getEnabled(UserHandle.USER_SYSTEM);
		if (enabledState == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER) {
		stubSystemApps.remove(i);
		continue;
		}
		}

		if (DEBUG_COMPRESSION) {
		Slog.i(TAG, "Uncompressing system stub; pkg: " + pkgName);
		}

		// uncompress the binary to its eventual destination on /data
		final File scanFile = decompressPackage(pkg);
		if (scanFile == null) {
		continue;
		}

		// install the package to replace the stub on /system
		try {
		mSettings.disableSystemPackageLPw(pkgName, true /replaced/);
		removePackageLI(pkg, true /chatty/);
		scanPackageTracedLI(scanFile, 0 /reparseFlags/, scanFlags, 0, null);
		ps.setEnabled(PackageManager.COMPONENT_ENABLED_STATE_DEFAULT,
		UserHandle.USER_SYSTEM, "android");
		stubSystemApps.remove(i);
		continue;
		} catch (PackageManagerException e) {
		Slog.e(TAG, "Failed to parse uncompressed system package: " + e.getMessage());
		}

		// any failed attempt to install the package will be cleaned up later
		}

		// disable any stub still left; these failed to install the full application
		for (int i = stubSystemApps.size() - 1; i >= 0; --i) {
		final String pkgName = stubSystemApps.get(i);
		final PackageSetting ps = mSettings.mPackages.get(pkgName);
		ps.setEnabled(PackageManager.COMPONENT_ENABLED_STATE_DISABLED,
		UserHandle.USER_SYSTEM, "android");
		logCriticalInfo(Log.ERROR, "Stub disabled; pkg: " + pkgName);
		}
		}

		private int decompressFile(File srcFile, File dstFile) throws ErrnoException {
		if (DEBUG_COMPRESSION) {
		Slog.i(TAG, "Decompress file"
		+ "; src: " + srcFile.getAbsolutePath()
		+ ", dst: " + dstFile.getAbsolutePath());
		}
		try (
		InputStream fileIn = new GZIPInputStream(new FileInputStream(srcFile));
		OutputStream fileOut = new FileOutputStream(dstFile, false /append/);
		) {
		Streams.copy(fileIn, fileOut);
		Os.chmod(dstFile.getAbsolutePath(), 0644);
		return PackageManager.INSTALL_SUCCEEDED;
		} catch (IOException e) {
		logCriticalInfo(Log.ERROR, "Failed to decompress file"
		+ "; src: " + srcFile.getAbsolutePath()
		+ ", dst: " + dstFile.getAbsolutePath());
		}
		return PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
		}

		private File[] getCompressedFiles(String codePath) {
		return new File(codePath).listFiles(new FilenameFilter() {
		@Override
		public boolean accept(File dir, String name) {
		return name.toLowerCase().endsWith(COMPRESSED_EXTENSION);
		}
		});
		}

		private boolean compressedFileExists(String codePath) {
		final File[] compressedFiles = getCompressedFiles(codePath);
		return compressedFiles != null && compressedFiles.length > 0;
		}

		/**
		* Decompresses the given package on the system image onto
		* the /data partition.
		* @return The directory the package was decompressed into. Otherwise, {@code null}.
		*/
		private File decompressPackage(PackageParser.Package pkg) {
		final File[] compressedFiles = getCompressedFiles(pkg.codePath);
		if (compressedFiles == null \|\| compressedFiles.length == 0) {
		if (DEBUG_COMPRESSION) {
		Slog.i(TAG, "No files to decompress");
		}
		return null;
		}
		final File dstCodePath =
		getNextCodePath(Environment.getDataAppDirectory(null), pkg.packageName);
		int ret = PackageManager.INSTALL_SUCCEEDED;
		try {
		Os.mkdir(dstCodePath.getAbsolutePath(), 0755);
		Os.chmod(dstCodePath.getAbsolutePath(), 0755);
		for (File srcFile : compressedFiles) {
		final String srcFileName = srcFile.getName();
		final String dstFileName = srcFileName.substring(
		0, srcFileName.length() - COMPRESSED_EXTENSION.length());
		final File dstFile = new File(dstCodePath, dstFileName);
		ret = decompressFile(srcFile, dstFile);
		if (ret != PackageManager.INSTALL_SUCCEEDED) {
		logCriticalInfo(Log.ERROR, "Failed to decompress"
		+ "; pkg: " + pkg.packageName
		+ ", file: " + dstFileName);
		break;
		}
		}
		} catch (ErrnoException e) {
		logCriticalInfo(Log.ERROR, "Failed to decompress"
		+ "; pkg: " + pkg.packageName
		+ ", err: " + e.errno);
		}
		if (ret == PackageManager.INSTALL_SUCCEEDED) {
		final File libraryRoot = new File(dstCodePath, LIB_DIR_NAME);
		NativeLibraryHelper.Handle handle = null;
		try {
		handle = NativeLibraryHelper.Handle.create(dstCodePath);
		ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot,
		null /abiOverride/);
		} catch (IOException e) {
		logCriticalInfo(Log.ERROR, "Failed to extract native libraries"
		+ "; pkg: " + pkg.packageName);
		ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
		} finally {
		IoUtils.closeQuietly(handle);
		}
		}
		if (ret != PackageManager.INSTALL_SUCCEEDED) {
		if (dstCodePath == null \|\| !dstCodePath.exists()) {
		return null;
		}
		removeCodePathLI(dstCodePath);
		return null;
		}
		return dstCodePath;
		}

		private void updateInstantAppInstallerLocked(String modifiedPackage) {
		// we're only interested in updating the installer appliction when 1) it's not
		// already set or 2) the modified package is the installer
		@@ -10707,6 +10900,9 @@ public class PackageManagerService extends IPackageManager.Stub
		r.info.encryptionAware = r.info.directBootAware = true;
		}
		}
		if (compressedFileExists(pkg.baseCodePath)) {
		pkg.isStub = true;
		}
		} else {
		// Only allow system apps to be flagged as core apps.
		pkg.coreApp = false;