Home | History | Annotate | Download | only in managedprovisioning 
      1 /*
      2  * Copyright (C) 2015 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 com.android.cts.verifier.managedprovisioning;
     18 
     19 import android.app.AlertDialog;
     20 import android.app.admin.DevicePolicyManager;
     21 import android.content.ComponentName;
     22 import android.content.Context;
     23 import android.content.Intent;
     24 import android.net.VpnService;
     25 import android.net.VpnService.Builder;
     26 import android.os.Bundle;
     27 import android.os.ParcelFileDescriptor;
     28 import android.os.UserManager;
     29 import android.provider.Settings;
     30 import android.util.Log;
     31 import android.widget.TextView;
     32 import android.net.VpnService;
     33 import android.os.ParcelFileDescriptor;
     34 
     35 import com.android.cts.verifier.PassFailButtons;
     36 import com.android.cts.verifier.R;
     37 
     38 import java.io.IOException;
     39 
     40 /**
     41  * Activity to test Vpn configuration
     42  */
     43 public class VpnTestActivity extends PassFailButtons.Activity {
     44 
     45     public static final String ACTION_VPN = "com.android.cts.verifier.managedprovisioning.VPN";
     46 
     47     public static class MyTestVpnService extends VpnService {
     48         /*
     49          * MyVpnTestService is just a stub. This class exists because the framework needs a class
     50          * inside the app to refer back to, just using VpnService itself won't work.
     51          */
     52     }
     53 
     54     private ParcelFileDescriptor descriptor = null;
     55     private ComponentName mAdminReceiverComponent;
     56     private DevicePolicyManager mDevicePolicyManager;
     57     private UserManager mUserManager;
     58     private static final String TAG = "DeviceOwnerPositiveTestActivity";
     59     private static final int REQUEST_VPN_CODE = 54321;
     60 
     61     @Override
     62     protected void onCreate(Bundle savedInstanceState) {
     63         super.onCreate(savedInstanceState);
     64         setContentView(R.layout.vpn_test);
     65         setPassFailButtonClickListeners();
     66         mAdminReceiverComponent = new ComponentName(this, DeviceAdminTestReceiver.class.getName());
     67         mDevicePolicyManager = (DevicePolicyManager) getSystemService(
     68                 Context.DEVICE_POLICY_SERVICE);
     69         mDevicePolicyManager.addUserRestriction(mAdminReceiverComponent,
     70                 UserManager.DISALLOW_CONFIG_VPN);
     71         mUserManager = (UserManager) getSystemService(Context.USER_SERVICE);
     72         testVpnEstablishFails();
     73     }
     74 
     75     @Override
     76     public void finish() {
     77         mDevicePolicyManager.clearUserRestriction(mAdminReceiverComponent,
     78                 UserManager.DISALLOW_CONFIG_VPN);
     79         super.finish();
     80     }
     81 
     82     @Override
     83     protected void onActivityResult(int requestCode, int result, Intent data) {
     84         if (requestCode == REQUEST_VPN_CODE) {
     85             // We don't care about the result - ideally it should automatically cancel, but if
     86             // some custom component doesn't do that, try to establish the connection anyway
     87             // and see what happens.
     88             establishVpn();
     89         } else {
     90             Log.w(TAG, "Unexpected request code: " + requestCode);
     91         }
     92     }
     93 
     94     public void testVpnEstablishFails() {
     95         Intent newIntent = VpnService.prepare(this);
     96         if (newIntent != null) {
     97             startActivityForResult(newIntent, REQUEST_VPN_CODE);
     98         } else {
     99             establishVpn();
    100         }
    101     }
    102 
    103     public void establishVpn() {
    104         MyTestVpnService service = new MyTestVpnService();
    105         descriptor = service.new Builder().addAddress("8.8.8.8", 30).establish();
    106         if (descriptor == null) {
    107             // vpn connection not established, as expected, test case succeeds
    108             Log.i(TAG, "Test succeeded: descriptor is null");
    109             populateInfo(R.string.device_owner_no_vpn_connection);
    110             return;
    111         }
    112         // vpn connection established, not expected, test case fails
    113         Log.w(TAG, "vpn connection established, not expected, test case fails");
    114         try {
    115             descriptor.close();
    116             populateInfo(R.string.device_owner_vpn_connection);
    117         } catch (IOException e) {
    118             Log.i(TAG, "Closing vpn connection failed. Caught exception: ", e);
    119             populateInfo(R.string.device_owner_vpn_connection_close_failed);
    120         }
    121     }
    122 
    123     private void populateInfo(int messageId) {
    124         TextView vpnInfoTextView = (TextView) findViewById(R.id.device_owner_vpn_info);
    125         vpnInfoTextView.setText(getString(messageId));
    126     }
    127 
    128 }
    129