Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit ec1c3c01 authored by Jackal Guo's avatar Jackal Guo
Browse files

Let update owners can relinquish update ownership (5/n) 

Add a new API to let the update owner can relinquish update ownership.
This API can be only used by the the current update owner.

Bug: 244413073
Test: atest CtsPackageInstallTestCases:UpdateOwnershipEnforcementTest
Change-Id: I8dda2c2502b9dc8db6b23be2b766dc738a9b6742
parent d378c630

core/api/current.txt

+1 −0
Original line number Diff line number Diff line
@@ -12258,6 +12258,7 @@ package android.content.pm { 
    method @NonNull public java.util.List<android.content.pm.PackageManager.Property> queryProviderProperty(@NonNull String);

    method @NonNull public java.util.List<android.content.pm.PackageManager.Property> queryReceiverProperty(@NonNull String);

    method @NonNull public java.util.List<android.content.pm.PackageManager.Property> queryServiceProperty(@NonNull String);

    method public void relinquishUpdateOwnership(@NonNull String);

    method @Deprecated public abstract void removePackageFromPreferred(@NonNull String);

    method public abstract void removePermission(@NonNull String);

    method @RequiresPermission(value="android.permission.WHITELIST_RESTRICTED_PERMISSIONS", conditional=true) public boolean removeWhitelistedRestrictedPermission(@NonNull String, @NonNull String, int);

core/java/android/app/ApplicationPackageManager.java

+10 −0
Original line number Diff line number Diff line
@@ -3890,4 +3890,14 @@ public class ApplicationPackageManager extends PackageManager { 
        return Settings.Global.getInt(mContext.getContentResolver(),

                Settings.Global.SHOW_NEW_APP_INSTALLED_NOTIFICATION_ENABLED, 0) == 1;

    }



    @Override

    public void relinquishUpdateOwnership(String targetPackage) {

        Objects.requireNonNull(targetPackage);

        try {

            mPM.relinquishUpdateOwnership(targetPackage);

        } catch (RemoteException e) {

            throw e.rethrowFromSystemServer();

        }

    }

}

core/java/android/content/pm/IPackageManager.aidl

+2 −0
Original line number Diff line number Diff line
@@ -214,6 +214,8 @@ interface IPackageManager { 
    @UnsupportedAppUsage

    void setInstallerPackageName(in String targetPackage, in String installerPackageName);



    void relinquishUpdateOwnership(in String targetPackage);



    void setApplicationCategoryHint(String packageName, int categoryHint, String callerPackageName);



    /** @deprecated rawr, don't call AIDL methods directly! */

core/java/android/content/pm/PackageManager.java

+12 −0
Original line number Diff line number Diff line
@@ -10866,4 +10866,16 @@ public abstract class PackageManager { 
        throw new UnsupportedOperationException(

                "isShowNewAppInstalledNotificationEnabled not implemented in subclass");

    }



    /**

     * Attempt to relinquish the update ownership of the given package. Only the current

     * update owner of the given package can use this API or a SecurityException will be

     * thrown.

     *

     * @param targetPackage The installed package whose update owner will be changed.

     */

    public void relinquishUpdateOwnership(@NonNull String targetPackage) {

        throw new UnsupportedOperationException(

                "relinquishUpdateOwnership not implemented in subclass");

    }

}

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

+36 −0
Original line number Diff line number Diff line
@@ -6012,6 +6012,42 @@ public class PackageManagerService implements PackageSender, TestUtilityService 
            }

        }



        @Override

        public void relinquishUpdateOwnership(String targetPackage) {

            final int callingUid = Binder.getCallingUid();

            final int callingUserId = UserHandle.getUserId(callingUid);

            final Computer snapshot = snapshotComputer();



            final PackageStateInternal targetPackageState =

                    snapshot.getPackageStateForInstalledAndFiltered(targetPackage, callingUid,

                            callingUserId);

            if (targetPackageState == null) {

                throw new IllegalArgumentException("Unknown target package: " + targetPackage);

            }



            final String targetUpdateOwnerPackageName =

                    targetPackageState.getInstallSource().mUpdateOwnerPackageName;

            final PackageStateInternal targetUpdateOwnerPkgSetting =

                    targetUpdateOwnerPackageName == null ? null

                            : snapshot.getPackageStateInternal(targetUpdateOwnerPackageName);



            if (targetUpdateOwnerPkgSetting == null) {

                return;

            }



            final int callingAppId = UserHandle.getAppId(callingUid);

            final int targetUpdateOwnerAppId = targetUpdateOwnerPkgSetting.getAppId();

            if (callingAppId != Process.SYSTEM_UID

                    && callingAppId != Process.SHELL_UID

                    && callingAppId != targetUpdateOwnerAppId) {

                throw new SecurityException("Caller is not the current update owner.");

            }



            commitPackageStateMutation(null /* initialState */, targetPackage,

                    state -> state.setUpdateOwner(null /* updateOwnerPackageName */));

            scheduleWriteSettings();

        }



        @Override

        public boolean setInstantAppCookie(String packageName, byte[] cookie, int userId) {

            if (HIDE_EPHEMERAL_APIS) {