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 "eventreceiveproxy_fuzzer.h"
17 #include "securec.h"
18 #include "event_receive_proxy.h"
19
20 namespace OHOS {
21 namespace EventFwk {
22 } // namespace EventFwk
23 namespace {
24 constexpr size_t U32_AT_SIZE = 4;
25 constexpr uint8_t ENABLE = 2;
26 }
DoSomethingInterestingWithMyAPI(const char * data,size_t size)27 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
28 {
29 // make common event data
30 EventFwk::CommonEventData commonEventData;
31 bool enabled = *data % ENABLE;
32 std::shared_ptr<EventFwk::EventReceiveProxy> result = std::make_shared<EventFwk::EventReceiveProxy>(nullptr);
33 if (result != nullptr) {
34 result->NotifyEvent(commonEventData, enabled, enabled);
35 return true;
36 }
37 return false;
38 }
39 }
40
41 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)42 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
43 {
44 /* Run your code on data */
45 if (data == nullptr) {
46 return 0;
47 }
48
49 if (size < OHOS::U32_AT_SIZE) {
50 return 0;
51 }
52
53 char* ch = (char *)malloc(size + 1);
54 if (ch == nullptr) {
55 return 0;
56 }
57
58 (void)memset_s(ch, size + 1, 0x00, size + 1);
59 if (memcpy_s(ch, size, data, size) != EOK) {
60 free(ch);
61 ch = nullptr;
62 return 0;
63 }
64
65 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
66 free(ch);
67 ch = nullptr;
68 return 0;
69 }
70