Grab lock when accessing mutable state am: 442ed57e4b am: e1790d928f (e924c723) · Commits · e / os / android_frameworks_base

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

+31 −21

Original line number	Diff line number	Diff line
		@@ -875,7 +875,7 @@ public class AppOpsService extends IAppOpsService.Stub {
		return AppOpsManager.MODE_IGNORED;
		}
		synchronized (this) {
		if (isOpRestricted(uid, code, resolvedPackageName)) {
		if (isOpRestrictedLocked(uid, code, resolvedPackageName)) {
		return AppOpsManager.MODE_IGNORED;
		}
		code = AppOpsManager.opToSwitch(code);
		@@ -1024,7 +1024,7 @@ public class AppOpsService extends IAppOpsService.Stub {
		return AppOpsManager.MODE_ERRORED;
		}
		Op op = getOpLocked(ops, code, true);
		if (isOpRestricted(uid, code, packageName)) {
		if (isOpRestrictedLocked(uid, code, packageName)) {
		return AppOpsManager.MODE_IGNORED;
		}
		if (op.duration == -1) {
		@@ -1082,7 +1082,7 @@ public class AppOpsService extends IAppOpsService.Stub {
		return AppOpsManager.MODE_ERRORED;
		}
		Op op = getOpLocked(ops, code, true);
		if (isOpRestricted(uid, code, resolvedPackageName)) {
		if (isOpRestrictedLocked(uid, code, resolvedPackageName)) {
		return AppOpsManager.MODE_IGNORED;
		}
		final int switchCode = AppOpsManager.opToSwitch(code);
		@@ -1308,7 +1308,7 @@ public class AppOpsService extends IAppOpsService.Stub {
		return op;
		}

		private boolean isOpRestricted(int uid, int code, String packageName) {
		private boolean isOpRestrictedLocked(int uid, int code, String packageName) {
		int userHandle = UserHandle.getUserId(uid);
		final int restrictionSetCount = mOpUserRestrictions.size();

		@@ -2210,6 +2210,9 @@ public class AppOpsService extends IAppOpsService.Stub {

		private void setUserRestrictionNoCheck(int code, boolean restricted, IBinder token,
		int userHandle, String[] exceptionPackages) {
		boolean notifyChange = false;

		synchronized (AppOpsService.this) {
		ClientRestrictionState restrictionState = mOpUserRestrictions.get(token);

		if (restrictionState == null) {
		@@ -2222,7 +2225,7 @@ public class AppOpsService extends IAppOpsService.Stub {
		}

		if (restrictionState.setRestriction(code, restricted, exceptionPackages, userHandle)) {
		notifyWatchersOfChange(code);
		notifyChange = true;
		}

		if (restrictionState.isDefault()) {
		@@ -2231,6 +2234,11 @@ public class AppOpsService extends IAppOpsService.Stub {
		}
		}

		if (notifyChange) {
		notifyWatchersOfChange(code);
		}
		}

		private void notifyWatchersOfChange(int code) {
		final ArrayList<Callback> clonedCallbacks;
		synchronized (this) {
		@@ -2263,12 +2271,14 @@ public class AppOpsService extends IAppOpsService.Stub {
		@Override
		public void removeUser(int userHandle) throws RemoteException {
		checkSystemUid("removeUser");
		synchronized (AppOpsService.this) {
		final int tokenCount = mOpUserRestrictions.size();
		for (int i = tokenCount - 1; i >= 0; i--) {
		ClientRestrictionState opRestrictions = mOpUserRestrictions.valueAt(i);
		opRestrictions.removeUser(userHandle);
		}
		}
		}

		private void checkSystemUid(String function) {
		int uid = Binder.getCallingUid();