1 /*
2  * Copyright 2020 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 <fuzzer/FuzzedDataProvider.h>
20 
21 #include <cstdint>
22 #include <vector>
23 
24 #include "os/handler.h"
25 
26 namespace bluetooth {
27 namespace fuzz {
28 
29 std::vector<std::vector<uint8_t>> SplitInput(
30     const uint8_t* data, size_t size, const uint8_t* separator, size_t separatorSize);
31 
32 std::vector<uint8_t> GetArbitraryBytes(FuzzedDataProvider* fdp);
33 
34 #define CONSTRUCT_VALID_UNIQUE_OTHERWISE_BAIL(T, name, data) \
35   auto name = std::make_unique<T>(T::FromBytes(data));       \
36   if (!name->IsValid()) {                                    \
37     return;                                                  \
38   }
39 
40 template <typename TView>
InvokeIfValid(common::ContextualOnceCallback<void (TView)> callback,std::vector<uint8_t> data)41 void InvokeIfValid(common::ContextualOnceCallback<void(TView)> callback, std::vector<uint8_t> data) {
42   auto packet = TView::FromBytes(data);
43   if (!packet.IsValid()) {
44     return;
45   }
46   callback.InvokeIfNotEmpty(packet);
47 }
48 
49 template <typename TView>
InvokeIfValid(common::ContextualCallback<void (TView)> callback,std::vector<uint8_t> data)50 void InvokeIfValid(common::ContextualCallback<void(TView)> callback, std::vector<uint8_t> data) {
51   auto packet = TView::FromBytes(data);
52   if (!packet.IsValid()) {
53     return;
54   }
55   callback.InvokeIfNotEmpty(packet);
56 }
57 
58 }  // namespace fuzz
59 }  // namespace bluetooth
60