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 "openlinkoptions_fuzzer.h"
17 #include "ability_record.h"
18
19 #include <cstddef>
20 #include <cstdint>
21
22 #define private public
23 #include "open_link_options.h"
24 #undef private
25 #include "securec.h"
26
27 using namespace OHOS::AAFwk;
28 using namespace OHOS::AppExecFwk;
29
30 namespace OHOS {
31 namespace {
32 constexpr size_t U32_AT_SIZE = 4;
33 constexpr uint8_t ENABLE = 2;
34 }
35
DoSomethingInterestingWithMyAPI(const char * data,size_t size)36 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
37 {
38 std::shared_ptr<OpenLinkOptions> openLinkOptions = std::make_shared<OpenLinkOptions>();
39 if (!openLinkOptions) {
40 return false;
41 };
42 Parcel parcel;
43 WantParams wantParams;
44 bool boolParam = *data % ENABLE;
45 openLinkOptions->SetParameters(wantParams);
46 openLinkOptions->ReadParameters(parcel);
47 openLinkOptions->ReadFromParcel(parcel);
48 openLinkOptions->GetParameters();
49 openLinkOptions->WriteParameters(wantParams, parcel);
50 openLinkOptions->SetAppLinkingOnly(boolParam);
51 openLinkOptions->GetAppLinkingOnly();
52 openLinkOptions->Marshalling(parcel);
53 openLinkOptions->Unmarshalling(parcel);
54 std::shared_ptr<OpenLinkOptions> openLinkOptions2 = std::make_shared<OpenLinkOptions>();
55 if (!openLinkOptions2) {
56 return false;
57 };
58 openLinkOptions = openLinkOptions2;
59
60 return true;
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 /* Run your code on data */
68 if (data == nullptr) {
69 std::cout << "invalid data" << std::endl;
70 return 0;
71 }
72
73 /* Validate the length of size */
74 if (size < OHOS::U32_AT_SIZE) {
75 return 0;
76 }
77
78 char* ch = static_cast<char*>(malloc(size + 1));
79 if (ch == nullptr) {
80 std::cout << "malloc failed." << std::endl;
81 return 0;
82 }
83
84 (void)memset_s(ch, size + 1, 0x00, size + 1);
85 if (memcpy_s(ch, size + 1, data, size) != EOK) {
86 std::cout << "copy failed." << std::endl;
87 free(ch);
88 ch = nullptr;
89 return 0;
90 }
91
92 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
93 free(ch);
94 ch = nullptr;
95 return 0;
96 }