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 {
GetU32Data(const char * ptr)32 uint32_t GetU32Data(const char* ptr)
33 {
34 // convert fuzz input data to an integer
35 return (ptr[0] << 24) | (ptr[1] << 16) | (ptr[2] << 8) | ptr[3];
36 }
DoSomethingInterestingWithMyAPI(FuzzedDataProvider * fdp)37 bool DoSomethingInterestingWithMyAPI(FuzzedDataProvider *fdp)
38 {
39 FormCallerMgr formCallerMgr;
40 int64_t formId = 1;
41 formCallerMgr.RemoveFormHostCaller(formId);
42 sptr<IRemoteObject> callerToken = nullptr;
43 formCallerMgr.RemoveFormHostCaller(callerToken);
44 wptr<IRemoteObject> remote = nullptr;
45 formCallerMgr.OnHostCallBackDied(remote);
46 sptr<IRemoteObject> remotes = nullptr;
47 formCallerMgr.HandleHostCallBackDiedTask(remotes);
48 std::vector<std::shared_ptr<FormProviderCaller>> formProviderCallers;
49 std::shared_ptr<FormProviderCaller> formProviderCaller = nullptr;
50 formProviderCallers.emplace_back(formProviderCaller);
51 formCallerMgr.GetFormProviderCaller(formId, formProviderCallers);
52 formCallerMgr.RemoveFormProviderCaller(formId, callerToken);
53 formCallerMgr.RemoveFormProviderCaller(callerToken);
54 formCallerMgr.OnProviderCallBackDied(remote);
55 formCallerMgr.HandleProviderCallBackDiedTask(remotes);
56 return formCallerMgr.GetFormHostCaller(formId) == nullptr;
57 }
58 }
59
60 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)61 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
62 {
63 FuzzedDataProvider fdp(data, size);
64 OHOS::DoSomethingInterestingWithMyAPI(&fdp);
65 return 0;
66 }
67
68