1 /*
2 * Copyright (c) 2025 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "bmsdefaultapphost_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20 #include <fuzzer/FuzzedDataProvider.h>
21 #define private public
22 #include "default_app_host.h"
23 #include "securec.h"
24 #include "bms_fuzztest_util.h"
25
26 using namespace OHOS::AppExecFwk;
27 using namespace OHOS::AppExecFwk::BMSFuzzTestUtil;
28 namespace OHOS {
29 constexpr uint32_t CODE_MAX = 3;
30
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)31 bool DoSomethingInterestingWithMyAPI(const uint8_t* data, size_t size)
32 {
33 MessageParcel datas;
34 std::u16string descriptor = DefaultAppHost::GetDescriptor();
35 datas.WriteInterfaceToken(descriptor);
36 datas.WriteBuffer(data, size);
37 datas.RewindRead(0);
38 MessageParcel reply;
39 MessageOption option;
40 DefaultAppHost defaultAppHost;
41 FuzzedDataProvider fdp(data, size);
42 uint8_t code = fdp.ConsumeIntegralInRange<uint8_t>(0, CODE_MAX);
43 defaultAppHost.OnRemoteRequest(code, datas, reply, option);
44 return true;
45 }
46 }
47
48 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)49 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
50 {
51 /* Run your code on data */
52 OHOS::DoSomethingInterestingWithMyAPI(data, size);
53 return 0;
54 }