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/*
* Copyright (C) 2023 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_20953;
import static androidx.test.platform.app.InstrumentationRegistry.getInstrumentation;
import static org.junit.Assert.assertFalse;
import static org.junit.Assume.assumeNoException;
import static org.junit.Assume.assumeTrue;
import android.app.Instrumentation;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.platform.test.annotations.AsbSecurityTest;
import android.support.test.uiautomator.By;
import android.support.test.uiautomator.BySelector;
import android.support.test.uiautomator.UiDevice;
import android.support.test.uiautomator.UiObject2;
import android.support.test.uiautomator.Until;
import androidx.test.runner.AndroidJUnit4;
import com.android.sts.common.SystemUtil;
import com.android.sts.common.util.StsExtraBusinessLogicTestCase;
import org.junit.Test;
import org.junit.runner.RunWith;
import java.util.regex.Pattern;
@RunWith(AndroidJUnit4.class)
public class CVE_2023_20953 extends StsExtraBusinessLogicTestCase {
@AsbSecurityTest(cveBugId = 251778420)
@Test
public void testCliboardIfUserSetupNotComplete() {
try {
Instrumentation instrumentation = getInstrumentation();
Context context = instrumentation.getContext();
UiDevice device = UiDevice.getInstance(instrumentation);
// Change the setting 'user_setup_complete' to 0.
try (AutoCloseable withSettingCloseable =
SystemUtil.withSetting(instrumentation, "secure", "user_setup_complete", "0")) {
// Launch the PocActivity which shows a basic view to edit some text.
final String pkgName = context.getPackageName();
Intent intent = new Intent();
intent.setClassName(pkgName, pkgName + ".CVE_2023_20953.PocActivity");
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(intent);
// Look for UI with text "CVE-2023-20955" and select it. Doing so will show some
// clipboard options such as 'copy', 'select all', 'cut'.
final String uiNotFoundMsg = "UI not found with selector %s";
BySelector selector = By.text("CVE-2023-20955");
final long timeoutMs = 5000;
boolean uiFound = device.wait(Until.findObject(selector), timeoutMs) != null;
assumeTrue(String.format(uiNotFoundMsg, selector), uiFound);
UiObject2 object = device.findObject(selector);
device.drag(object.getVisibleBounds().left, object.getVisibleCenter().y,
object.getVisibleBounds().right, object.getVisibleCenter().y, 1);
// Click on 'Copy' option.
selector = By.desc(Pattern.compile(".*copy.*", Pattern.CASE_INSENSITIVE));
uiFound = device.wait(Until.findObject(selector), timeoutMs) != null;
assumeTrue(String.format(uiNotFoundMsg, selector), uiFound);
device.findObject(selector).click();
// Retrieve System UI package name dynamically.
String systemUiPkgName = "com.android.systemui";
intent = new Intent(Intent.ACTION_SHOW_BRIGHTNESS_DIALOG);
PackageManager pm = context.getPackageManager();
ResolveInfo info = pm.resolveActivity(intent, PackageManager.MATCH_SYSTEM_ONLY);
if (info != null && info.activityInfo != null
&& info.activityInfo.packageName != null) {
systemUiPkgName = info.activityInfo.packageName;
}
// On vulnerable device, user whose setup is not yet complete will be able to share
// the copied text, in which case test fails, else it passes.
// Look for UI with resource = com.android.systemui:id/share_chip, if found test
// will fail.
final String shareBtnResName = "%s:id/share_chip";
selector = By.res(String.format(shareBtnResName, systemUiPkgName));
assertFalse("Vulnerable to b/251778420 !!",
device.wait(Until.hasObject(selector), timeoutMs));
}
} catch (Exception e) {
assumeNoException(e);
}
}
}
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