1 /*
2 * Copyright 2021 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 #include <binder/IServiceManager.h>
18 #include <binder/Parcel.h>
19
20 using namespace android;
21
main()22 int main() {
23 sp<IServiceManager> sm = defaultServiceManager();
24 sp<IBinder> binder = sm->getService(String16("power"));
25 if (!binder) {
26 return EXIT_FAILURE;
27 }
28 Parcel data, result;
29 data.writeInterfaceToken(String16("android.os.IPowerManager"));
30 char d[] = {static_cast<char>(0xc9),
31 static_cast<char>(0xa4),
32 0x10,
33 static_cast<char>(0xd4),
34 0x00,
35 0x00,
36 0x00,
37 0x00,
38 0x00,
39 0x27,
40 0x00,
41 0x5a,
42 0x00,
43 0x00,
44 0x00,
45 0x00};
46 data.write(d, sizeof(d));
47 binder->transact(6, data, &result);
48 return EXIT_SUCCESS;
49 }
50