1 /*
2 * Copyright (c) 2024 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 "servicecenterstatuscallbackstub_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #define private public
22 #include "service_center_status_callback_stub.h"
23 #include "securec.h"
24 using namespace OHOS::AppExecFwk;
25 namespace OHOS {
26 constexpr size_t U32_AT_SIZE = 4;
27 constexpr size_t MESSAGE_SIZE = 4;
28 constexpr size_t DCAMERA_SHIFT_24 = 24;
29 constexpr size_t DCAMERA_SHIFT_16 = 16;
30 constexpr size_t DCAMERA_SHIFT_8 = 8;
31 class ServiceCenterStatusCallbackStubFuzzTest : public ServiceCenterStatusCallbackStub {
32 public:
33 ServiceCenterStatusCallbackStubFuzzTest() = default;
34 virtual ~ServiceCenterStatusCallbackStubFuzzTest() = default;
OnInstallFinished(std::string installResult)35 virtual int32_t OnInstallFinished(std::string installResult) override
36 {
37 return 0;
38 }
OnDelayedHeartbeat(std::string installResult)39 virtual int32_t OnDelayedHeartbeat(std::string installResult) override
40 {
41 return 0;
42 }
OnServiceCenterReceived(std::string installResultStr)43 virtual int32_t OnServiceCenterReceived(std::string installResultStr) override
44 {
45 return 0;
46 }
47 };
GetU32Data(const char * ptr)48 uint32_t GetU32Data(const char* ptr)
49 {
50 return (ptr[0] << DCAMERA_SHIFT_24) | (ptr[1] << DCAMERA_SHIFT_16) | (ptr[2] << DCAMERA_SHIFT_8) | (ptr[3]);
51 }
52
DoSomethingInterestingWithMyAPI(const char * data,size_t size)53 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
54 {
55 ServiceCenterStatusCallbackStubFuzzTest serviceCenterStatusCallbackStub;
56 MessageParcel datas;
57 datas.WriteBuffer(data, size);
58 datas.RewindRead(0);
59 int32_t code = reinterpret_cast<uintptr_t>(data);
60 MessageParcel reply;
61 MessageOption option;
62 serviceCenterStatusCallbackStub.OnRemoteRequest(code, datas, reply, option);
63 return true;
64 }
65 }
66
67 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)68 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
69 {
70 /* Run your code on data */
71 if (data == nullptr) {
72 return 0;
73 }
74
75 if (size < OHOS::U32_AT_SIZE) {
76 return 0;
77 }
78
79 char* ch = static_cast<char*>(malloc(size + 1));
80 if (ch == nullptr) {
81 return 0;
82 }
83
84 (void)memset_s(ch, size + 1, 0x00, size + 1);
85 if (memcpy_s(ch, size, data, size) != EOK) {
86 free(ch);
87 ch = nullptr;
88 return 0;
89 }
90 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
91 free(ch);
92 ch = nullptr;
93 return 0;
94 }