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 "remoteobjectwrapper_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20 #include <iostream>
21
22 #define private public
23 #include "remote_object_wrapper.h"
24 #undef private
25 #include "securec.h"
26
27 using namespace OHOS::AAFwk;
28
29 namespace OHOS {
30 namespace {
31 constexpr size_t U32_AT_SIZE = 4;
32 }
33
DoSomethingInterestingWithMyAPI(const char * data,size_t size)34 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
35 {
36 (void)data;
37 sptr<IRemoteObject> remoteObject;
38 std::shared_ptr<RemoteObjectWrap> remoteObjectWrap = std::make_shared<RemoteObjectWrap>(remoteObject);
39 remoteObjectWrap->Equals(*remoteObjectWrap);
40 return true;
41 }
42 }
43
44 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)45 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
46 {
47 /* Run your code on data */
48 if (data == nullptr) {
49 std::cout << "invalid data" << std::endl;
50 return 0;
51 }
52
53 /* Validate the length of size */
54 if (size < OHOS::U32_AT_SIZE) {
55 return 0;
56 }
57
58 char* ch = (char *)malloc(size + 1);
59 if (ch == nullptr) {
60 std::cout << "malloc failed." << std::endl;
61 return 0;
62 }
63
64 (void)memset_s(ch, size + 1, 0x00, size + 1);
65 if (memcpy_s(ch, size, data, size) != EOK) {
66 std::cout << "copy failed." << std::endl;
67 free(ch);
68 ch = nullptr;
69 return 0;
70 }
71
72 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
73 free(ch);
74 ch = nullptr;
75 return 0;
76 }