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Commit 4be8a404 authored by Rhed Jao's avatar Rhed Jao
Browse files

Fix disclosure of package existence info by the createProjection api 

Bug: 243792935
Test: Run the PoC app manually
Change-Id: I2a4defab5c6d3de1bdb26eef74ccb139f0a75ce3
parent d491ea05

services/core/java/com/android/server/media/projection/MediaProjectionManagerService.java

+7 −10
Original line number Diff line number Diff line
@@ -287,19 +287,16 @@ public final class MediaProjectionManagerService extends SystemService 
            if (packageName == null || packageName.isEmpty()) {

                throw new IllegalArgumentException("package name must not be empty");

            }



            final UserHandle callingUser = Binder.getCallingUserHandle();

            final long callingToken = Binder.clearCallingIdentity();



            MediaProjection projection;

            final ApplicationInfo ai;

            try {

                ApplicationInfo ai;

                try {

                    ai = mPackageManager.getApplicationInfoAsUser(packageName, 0, callingUser);

                ai = mPackageManager.getApplicationInfo(packageName, 0);

            } catch (NameNotFoundException e) {

                throw new IllegalArgumentException("No package matching :" + packageName);

            }



            MediaProjection projection;

            final long callingToken = Binder.clearCallingIdentity();

            try {

                projection = new MediaProjection(type, uid, packageName, ai.targetSdkVersion,

                        ai.isPrivilegedApp());

                if (isPermanentGrant) {