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/*
* Copyright (C) 2019 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;
import static android.content.Intent.EXTRA_REMOTE_CALLBACK;
import android.Manifest;
import android.app.Activity;
import android.app.Instrumentation;
import android.app.Instrumentation.ActivityMonitor;
import android.app.Service;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.os.ConditionVariable;
import android.os.Handler;
import android.os.HandlerThread;
import android.os.RemoteCallback;
import android.platform.test.annotations.AppModeFull;
import android.platform.test.annotations.AsbSecurityTest;
import android.provider.Settings;
import androidx.test.platform.app.InstrumentationRegistry;
import androidx.test.runner.AndroidJUnit4;
import com.android.compatibility.common.util.SystemUtil;
import com.android.cts.install.lib.Install;
import com.android.cts.install.lib.TestApp;
import com.android.cts.install.lib.Uninstall;
import com.android.sts.common.util.StsExtraBusinessLogicTestCase;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.runner.RunWith;
import java.util.Objects;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import java.util.concurrent.atomic.AtomicReference;
@RunWith(AndroidJUnit4.class)
@AppModeFull
public class PackageInstallerTest extends StsExtraBusinessLogicTestCase {
private static final String TEST_APP_NAME = "android.security.cts.packageinstallertestapp";
private static final String KEY_ERROR = "key_error";
private static final String ACTION_COMMIT_WITH_ACTIVITY_INTENT_SENDER = TEST_APP_NAME
+ ".action.COMMIT_WITH_ACTIVITY_INTENT_SENDER";
private static final String ACTION_COMMIT_WITH_FG_SERVICE_INTENT_SENDER = TEST_APP_NAME
+ ".action.COMMIT_WITH_FG_SERVICE_INTENT_SENDER";
static final long DEFAULT_TIMEOUT_MS = TimeUnit.SECONDS.toMillis(15);
private static final TestApp TEST_APP = new TestApp(
"PackageInstallerTestApp", TEST_APP_NAME, 1, /*isApex*/ false,
"PackageInstallerTestApp.apk");
private static Context sContext = InstrumentationRegistry.getInstrumentation().getContext();
private static HandlerThread sResponseThread;
private static Handler sHandler;
private static final ComponentName BACKGROUND_RECEIVER_COMPONENT_NAME =
ComponentName.createRelative(TEST_APP_NAME, ".BackgroundReceiver");
private static final ComponentName BACKGROUND_LAUNCH_ACTIVITY_COMPONENT_NAME =
new ComponentName(sContext, BackgroundLaunchActivity.class);
private static final ComponentName FOREGROUND_SERVICE_COMPONENT_NAME =
new ComponentName(sContext, TestForegroundService.class);
@BeforeClass
public static void onBeforeClass() {
sResponseThread = new HandlerThread("response");
sResponseThread.start();
sHandler = new Handler(sResponseThread.getLooper());
}
@AfterClass
public static void onAfterClass() {
sResponseThread.quit();
}
@Before
public void setUp() {
InstrumentationRegistry
.getInstrumentation()
.getUiAutomation()
.adoptShellPermissionIdentity(Manifest.permission.INSTALL_PACKAGES,
Manifest.permission.DELETE_PACKAGES,
Manifest.permission.PACKAGE_VERIFICATION_AGENT,
Manifest.permission.BIND_PACKAGE_VERIFIER);
}
@After
public void tearDown() throws Exception {
Uninstall.packages(TestApp.A);
InstrumentationRegistry.getInstrumentation().getUiAutomation()
.dropShellPermissionIdentity();
}
@Test
@AsbSecurityTest(cveBugId = 138650665)
public void verificationCanNotBeDisabledByInstaller() throws Exception {
Install.single(TEST_APP).addInstallFlags(
0x00080000 /* PackageManager.INSTALL_DISABLE_VERIFICATION */).commit();
String packageName = PackageVerificationsBroadcastReceiver.packages.poll(30,
TimeUnit.SECONDS);
Assert.assertNotNull("Did not receive broadcast", packageName);
Assert.assertEquals(TEST_APP_NAME, packageName);
}
@Test
@AsbSecurityTest(cveBugId = 230492955)
public void commitSessionInBackground_withActivityIntentSender_doesNotLaunchActivity()
throws Exception {
Install.single(TEST_APP).commit();
// An activity with the system uid in the foreground is necessary to this test.
goToSettings();
final Instrumentation instrumentation = InstrumentationRegistry.getInstrumentation();
final ActivityMonitor monitor = instrumentation.addMonitor(
BackgroundLaunchActivity.class.getName(), null /* result */, false /* block */);
try {
sendActionToBackgroundReceiver(
ACTION_COMMIT_WITH_ACTIVITY_INTENT_SENDER,
BACKGROUND_LAUNCH_ACTIVITY_COMPONENT_NAME);
final Activity activity = monitor.waitForActivityWithTimeout(DEFAULT_TIMEOUT_MS);
if (activity != null) {
instrumentation.runOnMainSync(() -> activity.finish());
}
Assert.assertNull(activity);
} finally {
instrumentation.removeMonitor(monitor);
}
}
@Test
@AsbSecurityTest(cveBugId = 243377226)
public void commitSessionInBackground_withForegroundServiceIntentSender_doesNotStartService()
throws Exception {
Install.single(TEST_APP).commit();
// An activity with the system uid in the foreground is necessary to this test.
goToSettings();
sendActionToBackgroundReceiver(
ACTION_COMMIT_WITH_FG_SERVICE_INTENT_SENDER, FOREGROUND_SERVICE_COMPONENT_NAME);
final Service service =
TestForegroundService.waitFor(DEFAULT_TIMEOUT_MS, TimeUnit.MILLISECONDS);
if (service != null) {
InstrumentationRegistry.getInstrumentation().runOnMainSync(
() -> service.stopSelf());
}
Assert.assertNull(service);
}
private void goToSettings() {
SystemUtil.runShellCommand(
"am start -W --user current -a " + Settings.ACTION_SETTINGS);
}
private Bundle sendActionToBackgroundReceiver(String action, ComponentName statusReceiver)
throws Exception {
final Intent intent = new Intent(action)
.setComponent(BACKGROUND_RECEIVER_COMPONENT_NAME);
if (statusReceiver != null) {
intent.putExtra(Intent.EXTRA_COMPONENT_NAME, statusReceiver);
}
final ConditionVariable latch = new ConditionVariable();
final AtomicReference<Bundle> resultReference = new AtomicReference<>();
final RemoteCallback remoteCallback = new RemoteCallback(
bundle -> {
resultReference.set(bundle);
latch.open();
},
sHandler);
intent.putExtra(EXTRA_REMOTE_CALLBACK, remoteCallback);
sContext.sendBroadcast(intent);
if (!latch.block(DEFAULT_TIMEOUT_MS)) {
throw new TimeoutException(
"Latch timed out while awaiting a response from background receiver");
}
final Bundle bundle = resultReference.get();
if (bundle != null && bundle.containsKey(KEY_ERROR)) {
throw Objects.requireNonNull(bundle.getSerializable(KEY_ERROR, Exception.class));
}
return bundle;
}
// An activity to receive status of a committed session
public static class BackgroundLaunchActivity extends Activity {
}
}
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