CatService.java_8b2af55c6792c6cdd49e64ae91b38c36.patch

--- /home/haohuang/backup/aosp11-RQ3A.211001.001/frameworks/opt/telephony/src/java/com/android/internal/telephony/cat/CatService.java	2023-03-05 03:52:02.762060275 +0000
+++ /home/haohuang/aosp11-RQ3A.211001.001/frameworks/opt/telephony/src/java/com/android/internal/telephony/cat/CatService.java	2023-03-05 21:13:11.806143789 +0000
@@ -28,12 +28,15 @@
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
 import android.content.res.Resources.NotFoundException;
+import android.content.BroadcastReceiver;
+import android.content.IntentFilter;
 import android.os.AsyncResult;
 import android.os.Handler;
 import android.os.LocaleList;
 import android.os.Message;
 import android.os.RemoteException;
 import android.telephony.TelephonyManager;
+import android.telephony.Rlog;
 
 import com.android.internal.telephony.CommandsInterface;
 import com.android.internal.telephony.PhoneConstants;
@@ -47,6 +50,7 @@
 import com.android.internal.telephony.uicc.UiccCardApplication;
 import com.android.internal.telephony.uicc.UiccController;
 import com.android.internal.telephony.uicc.UiccProfile;
+import com.android.internal.telephony.RILDefender;
 
 import java.io.ByteArrayOutputStream;
 import java.util.List;
@@ -85,6 +89,45 @@
     private static IccRecords mIccRecords;
     private static UiccCardApplication mUiccApplication;
 
+    // RILDefender: broadcast receiver events from baseband monitor
+    private BroadcastReceiver mBinarySmsReceiver = new BroadcastReceiver() {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            if (intent.getAction().equals(RILDefender.ACTION_BINARY_SMS_RECEIVED)) {
+                Rlog.d("RILDefender", "Binary SMS received from baseband monitor");
+                String hexData = intent.getStringExtra("data");
+                String source = intent.getStringExtra("source");
+                // notify user
+                int blockSwitch = RILDefender.getSp(mContext, RILDefender.SP_NAME_BINARY_SMS);
+                if (blockSwitch == RILDefender.AlertLevel.BLOCK_AND_NOTIFY.getValue()) {
+                    // block and notify
+                    Rlog.d("RILDefender", "Block binary SMS and notify user");
+                    Intent newIntent = new Intent(RILDefender.BROADCAST_NOTIFY_ACTION);
+                    newIntent.putExtra("type", RILDefender.SP_NAME_BINARY_SMS);
+                    newIntent.putExtra("source", source);
+                    newIntent.putExtra("content", hexData);
+                    context.sendBroadcast(newIntent);
+                }
+                else if (blockSwitch == RILDefender.AlertLevel.BLOCK.getValue()) {
+                    // block without notify
+                    Rlog.d("RILDefender", "Block binary SMS " + hexData);
+                    return;
+                }
+                else if (blockSwitch == RILDefender.AlertLevel.NOTIFY.getValue()) {
+                    // notify only
+                    Rlog.d("RILDefender", "Notify user for the binary SMS");
+                    Intent newIntent = new Intent(RILDefender.BROADCAST_NOTIFY_ACTION);
+                    newIntent.putExtra("type", RILDefender.SP_NAME_BINARY_SMS);
+                    newIntent.putExtra("source", source);
+                    newIntent.putExtra("content", hexData);
+                    context.sendBroadcast(newIntent);
+                }
+
+            }
+        }
+    };
+
+
     // Service members.
     // Protects singleton instance lazy initialization.
     @UnsupportedAppUsage
@@ -152,6 +195,11 @@
         mContext = context;
         mSlotId = slotId;
 
+        // RILDefender: register broadcast receiver for binary sms event
+        IntentFilter newFilter = new IntentFilter();
+        newFilter.addAction(RILDefender.ACTION_BINARY_SMS_RECEIVED);
+        context.registerReceiver(mBinarySmsReceiver, newFilter);
+
         // Get the RilMessagesDecoder for decoding the messages.
         mMsgDecoder = RilMessageDecoder.getInstance(this, fh, context, slotId);
         if (null == mMsgDecoder) {
@@ -537,6 +585,35 @@
 
 
     private void broadcastCatCmdIntent(CatCmdMessage cmdMsg) {
+        int blockSwitch = RILDefender.getSp(mContext, RILDefender.SP_NAME_BINARY_SMS);
+        AppInterface.CommandType type = cmdMsg.getCmdType();
+        if (blockSwitch == RILDefender.AlertLevel.BLOCK_AND_NOTIFY.getValue()) {
+            // block and notify
+            Rlog.d("RILDefender", "Block binary SMS and notify user");
+            Intent intent = new Intent(RILDefender.BROADCAST_NOTIFY_ACTION);
+            intent.putExtra("type", RILDefender.SP_NAME_BINARY_SMS);
+            // TODO: tracking source of a binary SMS initiator
+            intent.putExtra("source", "");
+            intent.putExtra("content", cmdMsg.toString());
+            mContext.sendBroadcast(intent);
+            return;
+        }
+        else if (blockSwitch == RILDefender.AlertLevel.BLOCK.getValue()) {
+            // block without notify
+            Rlog.d("RILDefender", "Block binary SMS " + type);
+        }
+        else if (blockSwitch == RILDefender.AlertLevel.NOTIFY.getValue()) {
+            // notify only
+            Rlog.d("RILDefender", "Notify user for the binary SMS");
+            Intent intent = new Intent(RILDefender.BROADCAST_NOTIFY_ACTION);
+            intent.putExtra("type", RILDefender.SP_NAME_BINARY_SMS);
+            intent.putExtra("source", "");
+            intent.putExtra("content", cmdMsg.toString());
+            mContext.sendBroadcast(intent);
+        }
+
+        // not blocking STK command, proceed as usual
+
         Intent intent = new Intent(AppInterface.CAT_CMD_ACTION);
         intent.putExtra( "STK CMD", cmdMsg);
         intent.putExtra("SLOT_ID", mSlotId);