Create sandboxes for newly installed apps. (8ff30b13) · Commits · e / os / android_frameworks_base

core/java/android/os/storage/StorageManagerInternal.java

+14 −0

Original line number	Diff line number	Diff line
		@@ -79,4 +79,18 @@ public abstract class StorageManagerInternal {
		* @return The mount mode.
		*/
		public abstract int getExternalStorageMountMode(int uid, String packageName);

		/**
		* Mount external storage for the given package.
		*
		* <p> This will involve calling into vold to setup appropriate bind mounts.
		*
		* @param packageName The package for which external storage will be mounted.
		* @param appId The appId for the given package.
		* @param sharedUserId The sharedUserId for given package if it specified
		* {@code android:sharedUserId} in the manifest, otherwise {@code null}
		* @param userId
		*/
		public abstract void mountExternalStorageForApp(String packageName, int appId,
		String sharedUserId, int userId);
		}

+24 −0

Original line number	Diff line number	Diff line
		@@ -3803,5 +3803,29 @@ class StorageManagerService extends IStorageManager.Stub
		}
		return true;
		}

		@Override
		public void mountExternalStorageForApp(String packageName, int appId, String sharedUserId,
		int userId) {
		final String sandboxId;
		synchronized (mPackagesLock) {
		final ArraySet<String> userPackages = getPackagesForUserPL(userId);
		// If userPackages is empty, it means the user is not started yet, so no need to
		// do anything now.
		if (userPackages.isEmpty() \|\| userPackages.contains(packageName)) {
		return;
		}
		userPackages.add(packageName);
		mAppIds.put(packageName, appId);
		sandboxId = getSandboxId(packageName, sharedUserId);
		mSandboxIds.put(appId, sandboxId);
		}

		try {
		mVold.mountExternalStorageForApp(packageName, appId, sandboxId, userId);
		} catch (Exception e) {
		Slog.wtf(TAG, e);
		}
		}
		}
		}

+8 −2

Original line number	Diff line number	Diff line
		@@ -21358,9 +21358,9 @@ public class PackageManagerService extends IPackageManager.Stub
		mDexManager.systemReady();
		mPackageDexOptimizer.systemReady();

		StorageManagerInternal StorageManagerInternal = LocalServices.getService(
		StorageManagerInternal storageManagerInternal = LocalServices.getService(
		StorageManagerInternal.class);
		StorageManagerInternal.addExternalStoragePolicy(
		storageManagerInternal.addExternalStoragePolicy(
		new StorageManagerInternal.ExternalStorageMountPolicy() {
		@Override
		public int getMountMode(int uid, String packageName) {
		@@ -22798,6 +22798,12 @@ public class PackageManagerService extends IPackageManager.Stub
		}

		prepareAppDataContentsLeafLIF(pkg, userId, flags);
		final StorageManagerInternal storageManagerInternal
		= LocalServices.getService(StorageManagerInternal.class);
		if (storageManagerInternal != null) {
		storageManagerInternal.mountExternalStorageForApp(
		pkg.packageName, appId, pkg.mSharedUserId, userId);
		}
		}

		private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) {