1 /*
2  * Copyright (C) 2022 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 #pragma once
18 
19 #include <binder/Binder.h>
20 #include <binder/IBinder.h>
21 #include <fuzzer/FuzzedDataProvider.h>
22 
23 namespace android {
24 
25 class RandomBinder : public BBinder {
26 public:
27     RandomBinder(const String16& descriptor, std::vector<uint8_t>&& bytes);
28     const String16& getInterfaceDescriptor() const override;
29     status_t onTransact(uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) override;
30 
31 private:
32     String16 mDescriptor;
33     // note may not all be used
34     std::vector<uint8_t> mBytes;
35     FuzzedDataProvider mProvider;
36 };
37 
38 // Get a random binder object for use in fuzzing.
39 //
40 // May return nullptr.
41 sp<IBinder> getRandomBinder(FuzzedDataProvider* provider);
42 
43 } // namespace android
44