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 "formcallermgr_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 "form_caller_mgr.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 FormCallerMgr formCallerMgr;
44 int64_t formId = fdp->ConsumeIntegralInRange(MIN_NUM, MAX_NUM);
45 formCallerMgr.RemoveFormHostCaller(formId);
46 sptr<IRemoteObject> callerToken = nullptr;
47 formCallerMgr.RemoveFormHostCaller(callerToken);
48 wptr<IRemoteObject> remote = nullptr;
49 formCallerMgr.OnHostCallBackDied(remote);
50 sptr<IRemoteObject> remotes = nullptr;
51 formCallerMgr.HandleHostCallBackDiedTask(remotes);
52 std::vector<std::shared_ptr<FormProviderCaller>> formProviderCallers;
53 std::shared_ptr<FormProviderCaller> formProviderCaller = nullptr;
54 formProviderCallers.emplace_back(formProviderCaller);
55 formCallerMgr.GetFormProviderCaller(formId, formProviderCallers);
56 formCallerMgr.RemoveFormProviderCaller(formId, callerToken);
57 formCallerMgr.RemoveFormProviderCaller(callerToken);
58 formCallerMgr.OnProviderCallBackDied(remote);
59 formCallerMgr.HandleProviderCallBackDiedTask(remotes);
60 return formCallerMgr.GetFormHostCaller(formId) == nullptr;
61 }
62 }
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 FuzzedDataProvider fdp(data, size);
68 OHOS::DoSomethingInterestingWithMyAPI(&fdp);
69 return 0;
70 }
71
72