Merge "PackageManager: Clear foreign-dex markers when the app is uninstalled." into nyc-dev (48039837) · Commits · e / os / android_frameworks_base

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

+56 −7

Original line number	Diff line number	Diff line
		@@ -2724,6 +2724,7 @@ public class PackageManagerService extends IPackageManager.Stub {
		StorageManager.FLAG_STORAGE_DE \| StorageManager.FLAG_STORAGE_CE
		\| Installer.FLAG_CLEAR_CODE_CACHE_ONLY);
		}
		clearAppProfilesLIF(ps.pkg, UserHandle.USER_ALL);
		}
		ver.fingerprint = Build.FINGERPRINT;
		}
		@@ -7581,15 +7582,61 @@ public class PackageManagerService extends IPackageManager.Stub {
		}
		}

		private void destroyAppProfilesLIF(PackageParser.Package pkg) {
		private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) {
		if (pkg == null) {
		Slog.wtf(TAG, "Package was null!", new Throwable());
		return;
		}
		destroyAppProfilesLeafLIF(pkg);
		destroyAppReferenceProfileLeafLIF(pkg, userId);
		final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0;
		for (int i = 0; i < childCount; i++) {
		destroyAppProfilesLeafLIF(pkg.childPackages.get(i));
		destroyAppReferenceProfileLeafLIF(pkg.childPackages.get(i), userId);
		}
		}

		private void destroyAppReferenceProfileLeafLIF(PackageParser.Package pkg, int userId) {
		if (pkg.isForwardLocked()) {
		return;
		}

		for (String path : pkg.getAllCodePathsExcludingResourceOnly()) {
		try {
		path = new File(path).getCanonicalPath();
		} catch (IOException e) {
		// TODO: Should we return early here ?
		Slog.w(TAG, "Failed to get canonical path", e);
		}

		final String useMarker = path.replace('/', '@');
		for (int realUserId : resolveUserIds(userId)) {
		File profileDir = Environment.getDataProfilesDeForeignDexDirectory(realUserId);
		File foreignUseMark = new File(profileDir, useMarker);
		if (foreignUseMark.exists()) {
		if (!foreignUseMark.delete()) {
		Slog.w(TAG, "Unable to delete foreign user mark for package: "
		+ pkg.packageName);
		}
		}

		File[] markers = profileDir.listFiles();
		if (markers != null) {
		final String searchString = "@" + pkg.packageName + "@";
		// We also delete all markers that contain the package name we're
		// uninstalling. These are associated with secondary dex-files belonging
		// to the package. Reconstructing the path of these dex files is messy
		// in general.
		for (File marker : markers) {
		if (marker.getName().indexOf(searchString) > 0) {
		if (!marker.delete()) {
		Slog.w(TAG, "Unable to delete foreign user mark for package: "
		+ pkg.packageName);
		}
		}
		}
		}
		}
		}
		}

		@@ -7601,12 +7648,13 @@ public class PackageManagerService extends IPackageManager.Stub {
		}
		}

		private void clearAppProfilesLIF(PackageParser.Package pkg) {
		private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) {
		if (pkg == null) {
		Slog.wtf(TAG, "Package was null!", new Throwable());
		return;
		}
		clearAppProfilesLeafLIF(pkg);
		destroyAppReferenceProfileLeafLIF(pkg, userId);
		final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0;
		for (int i = 0; i < childCount; i++) {
		clearAppProfilesLeafLIF(pkg.childPackages.get(i));
		@@ -7810,7 +7858,7 @@ public class PackageManagerService extends IPackageManager.Stub {
		// DELETE_DATA_ON_FAILURES is only used by frozen paths
		destroyAppDataLIF(pkg, UserHandle.USER_ALL,
		StorageManager.FLAG_STORAGE_DE \| StorageManager.FLAG_STORAGE_CE);
		destroyAppProfilesLIF(pkg);
		destroyAppProfilesLIF(pkg, UserHandle.USER_ALL);
		}
		}
		}
		@@ -14158,7 +14206,7 @@ public class PackageManagerService extends IPackageManager.Stub {

		clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE
		\| StorageManager.FLAG_STORAGE_CE \| Installer.FLAG_CLEAR_CODE_CACHE_ONLY);
		clearAppProfilesLIF(pkg);
		clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL);

		try {
		final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags,
		@@ -14284,7 +14332,7 @@ public class PackageManagerService extends IPackageManager.Stub {
		// Successfully disabled the old package. Now proceed with re-installation
		clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE
		\| StorageManager.FLAG_STORAGE_CE \| Installer.FLAG_CLEAR_CODE_CACHE_ONLY);
		clearAppProfilesLIF(pkg);
		clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL);

		res.setReturnCode(PackageManager.INSTALL_SUCCEEDED);
		pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP,
		@@ -15528,7 +15576,7 @@ public class PackageManagerService extends IPackageManager.Stub {
		}
		destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL,
		StorageManager.FLAG_STORAGE_DE \| StorageManager.FLAG_STORAGE_CE);
		destroyAppProfilesLIF(resolvedPkg);
		destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL);
		if (outInfo != null) {
		outInfo.dataRemoved = true;
		}
		@@ -16063,6 +16111,7 @@ public class PackageManagerService extends IPackageManager.Stub {

		destroyAppDataLIF(pkg, userId,
		StorageManager.FLAG_STORAGE_DE \| StorageManager.FLAG_STORAGE_CE);
		destroyAppProfilesLIF(pkg, userId);
		removeKeystoreDataIfNeeded(nextUserId, ps.appId);
		schedulePackageCleaning(ps.name, nextUserId, false);
		synchronized (mPackages) {
		@@ -16168,7 +16217,7 @@ public class PackageManagerService extends IPackageManager.Stub {

		try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) {
		synchronized (mInstallLock) {
		clearAppProfilesLIF(pkg);
		clearAppProfilesLIF(pkg, UserHandle.USER_ALL);
		}
		}
		}