1 /*
2  * Copyright (C) 2016 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.escalatepermission;
18 
19 import android.content.Context;
20 import android.content.pm.PermissionInfo;
21 import android.support.test.InstrumentationRegistry;
22 import android.support.test.runner.AndroidJUnit4;
23 import org.junit.Test;
24 import org.junit.runner.RunWith;
25 
26 import static org.junit.Assert.assertSame;
27 
28 import com.android.cts.escalate.permission.Manifest;
29 
30 @RunWith(AndroidJUnit4.class)
31 public class PermissionEscalationTest {
32     @Test
testCannotEscalateNonRuntimePermissionsToRuntime()33     public void testCannotEscalateNonRuntimePermissionsToRuntime() throws Exception {
34         Context context = InstrumentationRegistry.getTargetContext();
35 
36         // Ensure normal permission cannot be made dangerous
37         PermissionInfo stealAudio1Permission1 = context.getPackageManager()
38                 .getPermissionInfo(Manifest.permission.STEAL_AUDIO1, 0);
39         assertSame("Shouldn't be able to change normal permission to dangerous",
40                 PermissionInfo.PROTECTION_NORMAL, (stealAudio1Permission1.protectionLevel
41                         & PermissionInfo.PROTECTION_MASK_BASE));
42 
43         // Ensure signature permission cannot be made dangerous
44         PermissionInfo stealAudio1Permission2 = context.getPackageManager()
45                 .getPermissionInfo(Manifest.permission.STEAL_AUDIO2, 0);
46         assertSame("Shouldn't be able to change signature permission to dangerous",
47                 PermissionInfo.PROTECTION_SIGNATURE, (stealAudio1Permission2.protectionLevel
48                         & PermissionInfo.PROTECTION_MASK_BASE));
49      }
50  }
51