1 /*
2 * Copyright (c) 2023 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 "dataservicestub_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #include "kvstore_data_service.h"
22 #include "message_parcel.h"
23 #include "securec.h"
24
25 using namespace OHOS::DistributedKv;
26
27 namespace OHOS {
28 const std::u16string INTERFACE_TOKEN = u"OHOS.DistributedKv.IKvStoreDataService";
29 const uint32_t CODE_MIN = 0;
30 const uint32_t CODE_MAX = 10;
31
OnRemoteRequestFuzz(const uint8_t * data,size_t size)32 bool OnRemoteRequestFuzz(const uint8_t *data, size_t size)
33 {
34 uint32_t code = static_cast<uint32_t>(*data) % (CODE_MAX - CODE_MIN + 1) + CODE_MIN;
35 MessageParcel request;
36 request.WriteInterfaceToken(INTERFACE_TOKEN);
37 request.WriteBuffer(data, size);
38 request.RewindRead(0);
39 MessageParcel reply;
40 MessageOption option;
41 std::shared_ptr<KvStoreDataServiceStub> kvStoreDataServiceStub = std::make_shared<KvStoreDataService>();
42 kvStoreDataServiceStub->OnRemoteRequest(code, request, reply, option);
43 return true;
44 }
45 } // namespace OHOS
46
47 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)48 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
49 {
50 if (data == nullptr) {
51 return 0;
52 }
53
54 OHOS::OnRemoteRequestFuzz(data, size);
55
56 return 0;
57 }