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 "abilitydebugresponsestub_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20 #include <fuzzer/FuzzedDataProvider.h>
21 #define private public
22 #define protected public
23 #include "ability_debug_response_stub.h"
24 #undef protected
25 #undef private
26
27 using namespace OHOS::AppExecFwk;
28
29 namespace OHOS {
30 namespace {
31 constexpr size_t U32_AT_SIZE = 4;
32 }
33
34 const std::u16string IA_APP_FOREGROUND_STATE_OBSERVER_TOKEN = u"ohos.appexecfwk.AbilityDebugResponse";
35
36 class AbilityDebugResponseStubFuzz : public AbilityDebugResponseStub {
37 public:
AbilityDebugResponseStubFuzz()38 explicit AbilityDebugResponseStubFuzz() {};
~AbilityDebugResponseStubFuzz()39 virtual ~AbilityDebugResponseStubFuzz() {};
40
OnRemoteRequest(uint32_t code,MessageParcel & data,MessageParcel & reply,MessageOption & option)41 virtual int OnRemoteRequest(
42 uint32_t code, MessageParcel &data, MessageParcel &reply, MessageOption &option) override{ return 0; };
43
OnAbilitysDebugStarted(const std::vector<sptr<IRemoteObject>> & tokens)44 virtual void OnAbilitysDebugStarted(const std::vector<sptr<IRemoteObject>> &tokens) override{};
OnAbilitysDebugStoped(const std::vector<sptr<IRemoteObject>> & tokens)45 virtual void OnAbilitysDebugStoped(const std::vector<sptr<IRemoteObject>> &tokens) override{};
OnAbilitysAssertDebugChange(const std::vector<sptr<IRemoteObject>> & tokens,bool isAssertDebug)46 virtual void OnAbilitysAssertDebugChange(
47 const std::vector<sptr<IRemoteObject>> &tokens, bool isAssertDebug) override{};
48 };
49
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)50 bool DoSomethingInterestingWithMyAPI(const uint8_t* data, size_t size)
51 {
52 FuzzedDataProvider fdp(data, size);
53 uint32_t code = fdp.ConsumeIntegralInRange<int32_t>(0, U32_AT_SIZE);
54 MessageParcel parcel;
55 parcel.WriteInterfaceToken(IA_APP_FOREGROUND_STATE_OBSERVER_TOKEN);
56 parcel.WriteBuffer(data, size);
57 parcel.RewindRead(0);
58 MessageParcel reply;
59 MessageOption option;
60 std::shared_ptr<AbilityDebugResponseStub> stub = std::make_shared<AbilityDebugResponseStubFuzz>();
61 stub->OnRemoteRequest(code, parcel, reply, option);
62 return true;
63 }
64 }
65
66 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)67 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
68 {
69 /* Run your code on data */
70
71 OHOS::DoSomethingInterestingWithMyAPI(data, size);
72 return 0;
73 }