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      1 /*
      2  * Copyright (C) 2017 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package android.content.cts;
     18 
     19 import android.appsecurity.cts.Utils;
     20 import android.platform.test.annotations.SecurityTest;
     21 
     22 import com.android.compatibility.common.tradefed.build.CompatibilityBuildHelper;
     23 import com.android.tradefed.build.IBuildInfo;
     24 import com.android.tradefed.device.DeviceNotAvailableException;
     25 import com.android.tradefed.log.LogUtil;
     26 import com.android.tradefed.testtype.DeviceTestCase;
     27 import com.android.tradefed.testtype.IBuildReceiver;
     28 
     29 /**
     30  * Tests that invalid authorities are cleared from the sync data files on boot.
     31  * Otherwise a malicious app can effectively DOS the filesystem and the user can only get out of it
     32  * via a factory reset.
     33  */
     34 @SecurityTest
     35 public class InvalidSyncAuthoritiesHostTest extends DeviceTestCase implements IBuildReceiver {
     36 
     37     private static final String DEVICE_TEST_PACKAGE = "android.content.sync.cts";
     38     private static final String DEVICE_TEST_CLASS = ".InvalidSyncAuthoritiesDeviceTest";
     39     private static final String DEVICE_TEST_APK = "CtsSyncInvalidAccountAuthorityTestCases.apk";
     40 
     41     private CompatibilityBuildHelper mBuildHelper;
     42 
     43     @Override
     44     public void setBuild(IBuildInfo iBuildInfo) {
     45         mBuildHelper = new CompatibilityBuildHelper(iBuildInfo);
     46     }
     47 
     48     @Override
     49     protected void setUp() throws Exception {
     50         super.setUp();
     51         getDevice().uninstallPackage(DEVICE_TEST_PACKAGE);
     52 
     53         assertNull(getDevice().installPackage(mBuildHelper.getTestFile(DEVICE_TEST_APK), false,
     54                 false));
     55     }
     56 
     57     @Override
     58     protected void tearDown() throws Exception {
     59         super.tearDown();
     60         try {
     61             runDeviceTests(DEVICE_TEST_PACKAGE, DEVICE_TEST_CLASS, "removeTestAccount");
     62         } catch (AssertionError exc) {
     63             // Test account got left on the device. This test should still pass.
     64             LogUtil.CLog.w("removeTestAccount failed: " + exc.getMessage());
     65         }
     66         getDevice().uninstallPackage(DEVICE_TEST_PACKAGE);
     67     }
     68 
     69     public void testInvalidEntriesClearedOnBoot() throws Exception {
     70         runDeviceTests(DEVICE_TEST_PACKAGE, DEVICE_TEST_CLASS, "populateAndTestSyncAutomaticallyBeforeReboot");
     71         getDevice().reboot();
     72         runDeviceTests(DEVICE_TEST_PACKAGE, DEVICE_TEST_CLASS, "testSyncAutomaticallyAfterReboot");
     73     }
     74 
     75     private void runDeviceTests(String packageName, String testClassName, String testMethodName)
     76             throws DeviceNotAvailableException {
     77         Utils.runDeviceTests(getDevice(), packageName, testClassName, testMethodName);
     78     }
     79 }
     80