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/*
* 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;
import static org.junit.Assume.assumeNoException;
import android.platform.test.annotations.AsbSecurityTest;
import com.android.sts.common.tradefed.testtype.StsExtraBusinessLogicHostTestBase;
import com.android.tradefed.device.ITestDevice;
import com.android.tradefed.testtype.DeviceJUnit4ClassRunner;
import org.junit.Test;
import org.junit.runner.RunWith;
@RunWith(DeviceJUnit4ClassRunner.class)
public class CVE_2021_39795 extends StsExtraBusinessLogicHostTestBase {
private static final String TEST_PKG = "android.security.cts.CVE_2021_39795";
private static final String DIR_PATH = "/storage/emulated/0/Android/data/CVE-2021-39795-dir";
@AsbSecurityTest(cveBugId = 201667614)
@Test
public void testPocCVE_2021_39795() {
ITestDevice device = null;
try {
device = getDevice();
/* Wake up the screen */
AdbUtils.runCommandLine("input keyevent KEYCODE_WAKEUP", device);
AdbUtils.runCommandLine("input keyevent KEYCODE_MENU", device);
AdbUtils.runCommandLine("input keyevent KEYCODE_HOME", device);
installPackage("CVE-2021-39795.apk");
/* Make a directory inside "Android/data" folder */
AdbUtils.runCommandLine("mkdir " + DIR_PATH, device);
/* Allow Read and Write to external storage */
AdbUtils.runCommandLine(
"pm grant " + TEST_PKG + " android.permission.READ_EXTERNAL_STORAGE", device);
AdbUtils.runCommandLine(
"pm grant " + TEST_PKG + " android.permission.WRITE_EXTERNAL_STORAGE", device);
/* Allow the app to manage all files */
AdbUtils.runCommandLine(
"appops set --uid " + TEST_PKG + " MANAGE_EXTERNAL_STORAGE allow", device);
runDeviceTests(TEST_PKG, TEST_PKG + ".DeviceTest", "testFilePresence");
} catch (Exception e) {
assumeNoException(e);
} finally {
try {
AdbUtils.runCommandLine("rm -rf " + DIR_PATH, device);
} catch (Exception e) {
// ignore the exceptions
}
}
}
}
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