Developer option to disable legacy greylist. (36274999) · Commits · e / os / android_frameworks_base

cmds/sm/src/com/android/commands/sm/Sm.java

+9 −10

Original line number	Diff line number	Diff line
		@@ -103,6 +103,8 @@ public final class Sm {
		runSetVirtualDisk();
		} else if ("set-isolated-storage".equals(op)) {
		runIsolatedStorage();
		} else if ("set-legacy-greylist".equals(op)) {
		runLegacyGreylist();
		} else {
		throw new IllegalArgumentException();
		}
		@@ -282,7 +284,7 @@ public final class Sm {
		StorageManager.DEBUG_VIRTUAL_DISK);
		}

		public void runIsolatedStorage() {
		public void runIsolatedStorage() throws RemoteException {
		final int value;
		final int mask = StorageManager.DEBUG_ISOLATED_STORAGE_FORCE_ON
		\| StorageManager.DEBUG_ISOLATED_STORAGE_FORCE_OFF;
		@@ -301,16 +303,13 @@ public final class Sm {
		default:
		return;
		}

		// Toggling isolated-storage state will result in a device reboot. So to avoid this command
		// from erroring out (DeadSystemException), call setDebugFlags() in a separate thread.
		new Thread(() -> {
		try {
		mSm.setDebugFlags(value, mask);
		} catch (RemoteException e) {
		Log.e(TAG, "Encountered an error!", e);
		}
		}).start();

		public void runLegacyGreylist() throws RemoteException {
		final boolean legacyGreylist = Boolean.parseBoolean(nextArg());
		mSm.setDebugFlags(legacyGreylist ? StorageManager.DEBUG_LEGACY_GREYLIST : 0,
		StorageManager.DEBUG_LEGACY_GREYLIST);
		}

		public void runIdleMaint() throws RemoteException {

core/java/android/os/storage/StorageManager.java

+4 −0

Original line number	Diff line number	Diff line
		@@ -136,6 +136,8 @@ public class StorageManager {
		public static final String PROP_ISOLATED_STORAGE = "persist.sys.isolated_storage";
		/** {@hide} */
		public static final String PROP_ISOLATED_STORAGE_SNAPSHOT = "sys.isolated_storage_snapshot";
		/** {@hide} */
		public static final String PROP_LEGACY_GREYLIST = "persist.sys.legacy_greylist";

		/** {@hide} */
		public static final String PROP_FORCE_AUDIO = "persist.fw.force_audio";
		@@ -233,6 +235,8 @@ public class StorageManager {
		public static final int DEBUG_ISOLATED_STORAGE_FORCE_ON = 1 << 6;
		/** {@hide} */
		public static final int DEBUG_ISOLATED_STORAGE_FORCE_OFF = 1 << 7;
		/** {@hide} */
		public static final int DEBUG_LEGACY_GREYLIST = 1 << 8;

		/** {@hide} */
		public static final int FLAG_STORAGE_DE = IInstalld.FLAG_STORAGE_DE;

services/core/java/com/android/server/StorageManagerService.java

+33 −10

Original line number	Diff line number	Diff line
		@@ -205,6 +205,9 @@ class StorageManagerService extends IStorageManager.Stub

		private static final boolean ENABLE_ISOLATED_STORAGE = StorageManager.hasIsolatedStorage();

		private static final boolean ENABLE_LEGACY_GREYLIST = SystemProperties
		.getBoolean(StorageManager.PROP_LEGACY_GREYLIST, true);

		public static class Lifecycle extends SystemService {
		private StorageManagerService mStorageManagerService;

		@@ -2289,7 +2292,26 @@ class StorageManagerService extends IStorageManager.Stub
		refreshIsolatedStorageSettings();

		// Perform hard reboot to kick policy into place
		mHandler.post(() -> {
		mContext.getSystemService(PowerManager.class).reboot(null);
		});
		} finally {
		Binder.restoreCallingIdentity(token);
		}
		}

		if ((mask & StorageManager.DEBUG_LEGACY_GREYLIST) != 0) {
		final boolean enabled = (flags & StorageManager.DEBUG_LEGACY_GREYLIST) != 0;

		final long token = Binder.clearCallingIdentity();
		try {
		SystemProperties.set(StorageManager.PROP_LEGACY_GREYLIST,
		Boolean.toString(enabled));

		// Perform hard reboot to kick policy into place
		mHandler.post(() -> {
		mContext.getSystemService(PowerManager.class).reboot(null);
		});
		} finally {
		Binder.restoreCallingIdentity(token);
		}
		@@ -3675,6 +3697,7 @@ class StorageManagerService extends IStorageManager.Stub
		} else if (mPmInternal.isInstantApp(packageName, UserHandle.getUserId(uid))) {
		return Zygote.MOUNT_EXTERNAL_NONE;
		} else {
		if (ENABLE_LEGACY_GREYLIST) {
		// STOPSHIP: remove this temporary workaround once developers
		// fix bugs where they're opening _data paths in native code
		switch (packageName) {
		@@ -3682,10 +3705,10 @@ class StorageManagerService extends IStorageManager.Stub
		case "jp.naver.line.android": // b/124767356
		case "com.mxtech.videoplayer.ad": // b/124531483
		return Zygote.MOUNT_EXTERNAL_LEGACY;
		default:
		return Zygote.MOUNT_EXTERNAL_WRITE;
		}
		}
		return Zygote.MOUNT_EXTERNAL_WRITE;
		}
		} catch (RemoteException e) {
		// Should not happen
		}