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 "providerconnectproxy_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20 #include <fuzzer/FuzzedDataProvider.h>
21
22 #define private public
23 #define protected public
24 #include "provider_connect_proxy.h"
25 #undef private
26 #undef protected
27 #include "securec.h"
28
29 using namespace OHOS::AppExecFwk;
30
31 namespace OHOS {
32
33 constexpr int32_t MAX_NUM = 1000;
34 constexpr int32_t MIN_NUM = 0;
35
GetU32Data(const char * ptr)36 uint32_t GetU32Data(const char* ptr)
37 {
38 // convert fuzz input data to an integer
39 return (ptr[0] << 24) | (ptr[1] << 16) | (ptr[2] << 8) | ptr[3];
40 }
DoSomethingInterestingWithMyAPI(FuzzedDataProvider * fdp)41 bool DoSomethingInterestingWithMyAPI(FuzzedDataProvider *fdp)
42 {
43 sptr<IRemoteObject> impl = nullptr;
44 ProviderConnectProxy providerConnectProxy(impl);
45 MessageParcel datas;
46 uint32_t code = fdp->ConsumeIntegralInRange(MIN_NUM, MAX_NUM);
47 MessageParcel data;
48 MessageParcel reply;
49 MessageOption option;
50 providerConnectProxy.SendTransactCmd(code, data, reply, option);
51 return providerConnectProxy.WriteInterfaceToken(datas);
52 }
53 }
54
55 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)56 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
57 {
58 FuzzedDataProvider fdp(data, size);
59 OHOS::DoSomethingInterestingWithMyAPI(&fdp);
60 return 0;
61 }
62
63