1 /*
2 * Copyright (c) 2022 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 "socperf_fuzzer.h"
17
18 #define private public
19 #include "socperf_server.h"
20 #include "socperf_stub.h"
21
22 namespace OHOS {
23 namespace SOCPERF {
24 constexpr int32_t MIN_LEN = 4;
25 static bool isInited = false;
26
onRemoteRequest(uint32_t code,MessageParcel & data)27 int32_t onRemoteRequest(uint32_t code, MessageParcel& data)
28 {
29 int32_t ret = -1;
30 MessageParcel reply;
31 MessageOption option;
32 if (!isInited) {
33 if (!DelayedSingleton<SocPerfServer>::GetInstance()->socPerf.Init()) {
34 return ret;
35 }
36 isInited = true;
37 }
38 ret = DelayedSingleton<SocPerfServer>::GetInstance()->OnRemoteRequest(code, data, reply, option);
39 return ret;
40 }
41
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)42 void DoSomethingInterestingWithMyAPI(const uint8_t* data, size_t size)
43 {
44 if (size <= MIN_LEN) {
45 return;
46 }
47
48 MessageParcel dataMessageParcel;
49 if (!dataMessageParcel.WriteInterfaceToken(SocPerfStub::GetDescriptor())) {
50 return;
51 }
52
53 uint32_t code = *(reinterpret_cast<const uint32_t*>(data));
54 size -= sizeof(uint32_t);
55
56 dataMessageParcel.WriteBuffer(data + sizeof(uint32_t), size);
57 dataMessageParcel.RewindRead(0);
58
59 onRemoteRequest(code, dataMessageParcel);
60 }
61 } // namespace SOCPERF
62 } // namespace OHOS
63
64 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)65 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
66 {
67 /* Run your code on data */
68 OHOS::SOCPERF::DoSomethingInterestingWithMyAPI(data, size);
69 return 0;
70 }
71
72