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

Commit e87dbf6e authored by Gianmarco Reverberi's avatar Gianmarco Reverberi Committed by Michael Bestas
Browse files

SystemUpdateService: enable service but lock its receivers [1/2] 

Added a check for ensure that disabled components are not
re-enabled at runtime

Added code for forcing enable of previously disabled components

Change-Id: Icfcfa26ccb85028d32edbb5cdb3dd7cdae85b720
parent 8356898b

core/res/res/values/config.xml

+4 −0
Original line number Diff line number Diff line
@@ -1475,6 +1475,10 @@ 
    <string-array name="config_disabledComponents" translatable="false">

    </string-array>



    <!-- The list of components which should be forced to be enabled. -->

    <string-array name="config_forceEnabledComponents" translatable="false">

    </string-array>



    <!-- Device supports LED flashlight -->

    <bool name="config_enableTorch">false</bool>

core/res/res/values/symbols.xml

+1 −0
Original line number Diff line number Diff line
@@ -1909,6 +1909,7 @@ 


  <!-- Package Manager -->

  <java-symbol type="array" name="config_disabledComponents" />

  <java-symbol type="array" name="config_forceEnabledComponents" />



  <!-- LED flashlight -->

  <java-symbol type="bool" name="config_enableTorch" />

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

+26 −0
Original line number Diff line number Diff line
@@ -523,6 +523,8 @@ public class PackageManagerService extends IPackageManager.Stub { 














    boolean mPreLaunchCheckPackagesReplaced = false;



























    ArrayList<ComponentName> mDisabledComponentsList;



























    // Set of pending broadcasts for aggregating enable/disable of components.















    static class PendingPackageBroadcasts {















        // for each user id, a map of <package name -> components within that package>










@@ -1623,9 +1625,11 @@ public class PackageManagerService extends IPackageManager.Stub {













            }





























            // Disable components marked for disabling at build-time













            mDisabledComponentsList = new ArrayList<ComponentName>();















            for (String name : mContext.getResources().getStringArray(















                    com.android.internal.R.array.config_disabledComponents)) {















                ComponentName cn = ComponentName.unflattenFromString(name);













                mDisabledComponentsList.add(cn);















                Slog.v(TAG, "Disabling " + name);















                String className = cn.getClassName();















                PackageSetting pkgSetting = mSettings.mPackages.get(cn.getPackageName());









@@ -1637,6 +1641,21 @@ public class PackageManagerService extends IPackageManager.Stub {













                pkgSetting.disableComponentLPw(className, UserHandle.USER_OWNER);















            }



























            // Enable components marked for forced-enable at build-time













            for (String name : mContext.getResources().getStringArray(













                    com.android.internal.R.array.config_forceEnabledComponents)) {













                ComponentName cn = ComponentName.unflattenFromString(name);













                Slog.v(TAG, "Enabling " + name);













                String className = cn.getClassName();













                PackageSetting pkgSetting = mSettings.mPackages.get(cn.getPackageName());













                if (pkgSetting == null || pkgSetting.pkg == null













                        || !pkgSetting.pkg.hasComponentClassName(className)) {













                    Slog.w(TAG, "Unable to enable " + name);













                    continue;













                }













                pkgSetting.enableComponentLPw(className, UserHandle.USER_OWNER);













            }



























            // can downgrade to reader















            mSettings.writeLPr();
























@@ -11270,6 +11289,12 @@ public class PackageManagerService extends IPackageManager.Stub {













    public void setComponentEnabledSetting(ComponentName componentName,















            int newState, int flags, int userId) {















        if (!sUserManager.exists(userId)) return;













        // Don't allow to enable components marked for disabling at build-time













        if (mDisabledComponentsList.contains(componentName)) {













            Slog.d(TAG, "Ignoring attempt to set enabled state of disabled component "













                    + componentName.flattenToString());













            return;













        }















        setEnabledSetting(componentName.getPackageName(),















                componentName.getClassName(), newState, flags, userId, null);















    }









@@ -11284,6 +11309,7 @@ public class PackageManagerService extends IPackageManager.Stub {













            throw new IllegalArgumentException("Invalid new component state: "















                    + newState);















        }



























        PackageSetting pkgSetting;















        final int uid = Binder.getCallingUid();















        final int permission = mContext.checkCallingOrSelfPermission(