Add a blacklist for preinstalled carrier apps.

Allows an OEM to specify that a preinstalled carrier app, even if
TelephonyManager says it should have carrier privileges, does not
get granted the default permissions and does not get enabled when
a compatible SIM is inserted.

Bug: 138150105
Test: verified locally
Change-Id: I0afec28f1f18227947c1fe9e6bb5fd0dad3b5dac
Merged-In: I0afec28f1f18227947c1fe9e6bb5fd0dad3b5dac
(cherry picked from commit e01678180770b8ded7240b5924448b8cdb697e02)

3 files changed, 14 insertions, 3 deletions

diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
index eb7d02bad168..0391530c4833 100644
--- a/core/res/res/values/config.xml
+++ b/core/res/res/values/config.xml
@@ -4143,6 +4143,10 @@
          one bar higher than they actually are -->
     <bool name="config_inflateSignalStrength">false</bool>
 
+    <!-- Contains a blacklist of apps that should not get pre-installed carrier app permission
+         grants, even if the UICC claims that the app should be privileged. See b/138150105 -->
+    <string-array name="config_restrictedPreinstalledCarrierApps" translatable="false"/>
+
     <!-- Sharesheet: define a max number of targets per application for new shortcuts-based direct share introduced in Q -->
     <integer name="config_maxShortcutTargetsPerApp">3</integer>
 </resources>
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index 2fa68a5d8775..afb67f931e73 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -3813,6 +3813,7 @@
 
   <java-symbol type="string" name="config_defaultSupervisionProfileOwnerComponent" />
   <java-symbol type="bool" name="config_inflateSignalStrength" />
+  <java-symbol type="array" name="config_restrictedPreinstalledCarrierApps" />
 
   <java-symbol type="drawable" name="android_logotype" />
   <java-symbol type="layout" name="platlogo_layout" />
diff --git a/telephony/java/com/android/internal/telephony/CarrierAppUtils.java b/telephony/java/com/android/internal/telephony/CarrierAppUtils.java
index a1bea4d417f9..d4ed9234569b 100644
--- a/telephony/java/com/android/internal/telephony/CarrierAppUtils.java
+++ b/telephony/java/com/android/internal/telephony/CarrierAppUtils.java
@@ -21,6 +21,7 @@ import android.content.ContentResolver;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.IPackageManager;
 import android.content.pm.PackageManager;
+import android.content.res.Resources;
 import android.os.RemoteException;
 import android.provider.Settings;
 import android.telephony.TelephonyManager;
@@ -28,7 +29,9 @@ import android.util.ArrayMap;
 import android.util.ArraySet;
 import android.util.Slog;
 
+import com.android.internal.R;
 import com.android.internal.annotations.VisibleForTesting;
+import com.android.internal.util.ArrayUtils;
 import com.android.server.SystemConfig;
 
 import java.util.ArrayList;
@@ -140,9 +143,12 @@ public final class CarrierAppUtils {
         try {
             for (ApplicationInfo ai : candidates) {
                 String packageName = ai.packageName;
-                boolean hasPrivileges = telephonyManager != null &&
-                        telephonyManager.checkCarrierPrivilegesForPackageAnyPhone(packageName) ==
-                                TelephonyManager.CARRIER_PRIVILEGE_STATUS_HAS_ACCESS;
+                String[] restrictedCarrierApps = Resources.getSystem().getStringArray(
+                        R.array.config_restrictedPreinstalledCarrierApps);
+                boolean hasPrivileges = telephonyManager != null
+                        && telephonyManager.checkCarrierPrivilegesForPackageAnyPhone(packageName)
+                                == TelephonyManager.CARRIER_PRIVILEGE_STATUS_HAS_ACCESS
+                        && !ArrayUtils.contains(restrictedCarrierApps, packageName);
 
                 // add hiddenUntilInstalled flag for carrier apps and associated apps
                 packageManager.setSystemAppHiddenUntilInstalled(packageName, true);