Ignore unknown user restrictions and WTF instead. (1f1ceef0) · Commits · e / os / android_frameworks_base

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

+9 −0

Original line number	Diff line number	Diff line
		@@ -930,6 +930,9 @@ public class UserManagerService extends IUserManager.Stub {
		/** @return a specific user restriction that's in effect currently. */
		@Override
		public boolean hasUserRestriction(String restrictionKey, int userId) {
		if (!UserRestrictionsUtils.isValidRestriction(restrictionKey)) {
		return false;
		}
		Bundle restrictions = getEffectiveUserRestrictions(userId);
		return restrictions != null && restrictions.getBoolean(restrictionKey);
		}
		@@ -946,6 +949,9 @@ public class UserManagerService extends IUserManager.Stub {
		@Override
		public boolean hasBaseUserRestriction(String restrictionKey, int userId) {
		checkManageUsersPermission("hasBaseUserRestriction");
		if (!UserRestrictionsUtils.isValidRestriction(restrictionKey)) {
		return false;
		}
		synchronized (mRestrictionsLock) {
		Bundle bundle = mBaseUserRestrictions.get(userId);
		return (bundle != null && bundle.getBoolean(restrictionKey, false));
		@@ -955,6 +961,9 @@ public class UserManagerService extends IUserManager.Stub {
		@Override
		public void setUserRestriction(String key, boolean value, int userId) {
		checkManageUsersPermission("setUserRestriction");
		if (!UserRestrictionsUtils.isValidRestriction(key)) {
		return;
		}
		synchronized (mRestrictionsLock) {
		// Note we can't modify Bundles stored in mBaseUserRestrictions directly, so create
		// a copy.

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

+22 −2

Original line number	Diff line number	Diff line
		@@ -36,6 +36,7 @@ import android.os.UserManager;
		import android.telephony.SubscriptionInfo;
		import android.telephony.SubscriptionManager;
		import android.util.Log;
		import android.util.Slog;

		import org.xmlpull.v1.XmlPullParser;
		import org.xmlpull.v1.XmlSerializer;
		@@ -56,7 +57,15 @@ public class UserRestrictionsUtils {
		private UserRestrictionsUtils() {
		}

		public static final Set<String> USER_RESTRICTIONS = Sets.newArraySet(
		private static Set<String> newSetWithUniqueCheck(String[] strings) {
		final Set<String> ret = Sets.newArraySet(strings);

		// Make sure there's no overlap.
		Preconditions.checkState(ret.size() == strings.length);
		return ret;
		}

		public static final Set<String> USER_RESTRICTIONS = newSetWithUniqueCheck(new String[] {
		UserManager.DISALLOW_CONFIG_WIFI,
		UserManager.DISALLOW_MODIFY_ACCOUNTS,
		UserManager.DISALLOW_INSTALL_APPS,
		@@ -95,7 +104,7 @@ public class UserRestrictionsUtils {
		UserManager.DISALLOW_DATA_ROAMING,
		UserManager.DISALLOW_SET_USER_ICON,
		UserManager.DISALLOW_SET_WALLPAPER
		);
		});

		/**
		* Set of user restriction which we don't want to persist.
		@@ -141,6 +150,17 @@ public class UserRestrictionsUtils {
		UserManager.DISALLOW_UNMUTE_MICROPHONE
		);

		/**
		* Throws {@link IllegalArgumentException} if the given restriction name is invalid.
		*/
		public static boolean isValidRestriction(@NonNull String restriction) {
		if (!USER_RESTRICTIONS.contains(restriction)) {
		Slog.wtf(TAG, "Unknown restriction: " + restriction);
		return false;
		}
		return true;
		}

		public static void writeRestrictions(@NonNull XmlSerializer serializer,
		@Nullable Bundle restrictions, @NonNull String tag) throws IOException {
		if (restrictions == null) {

services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java

+4 −0

Original line number	Diff line number	Diff line
		@@ -6867,6 +6867,10 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub {
		@Override
		public void setUserRestriction(ComponentName who, String key, boolean enabledFromThisOwner) {
		Preconditions.checkNotNull(who, "ComponentName is null");
		if (!UserRestrictionsUtils.isValidRestriction(key)) {
		return;
		}

		final int userHandle = mInjector.userHandleGetCallingUserId();
		synchronized (this) {
		ActiveAdmin activeAdmin =