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 FOO_MAX_LEN = 1024;
33 constexpr size_t U32_AT_SIZE = 4;
34 constexpr uint8_t ENABLE = 2;
35 }
36
DoSomethingInterestingWithMyAPI(const char * data,size_t size)37 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
38 {
39 std::shared_ptr<OpenLinkOptions> openLinkOptions = std::make_shared<OpenLinkOptions>();
40 if (!openLinkOptions) {
41 return false;
42 };
43 Parcel parcel;
44 WantParams wantParams;
45 bool boolParam = *data % ENABLE;
46 openLinkOptions->SetParameters(wantParams);
47 openLinkOptions->ReadParameters(parcel);
48 openLinkOptions->ReadFromParcel(parcel);
49 openLinkOptions->GetParameters();
50 openLinkOptions->WriteParameters(wantParams, parcel);
51 openLinkOptions->SetAppLinkingOnly(boolParam);
52 openLinkOptions->GetAppLinkingOnly();
53 openLinkOptions->Marshalling(parcel);
54 openLinkOptions->Unmarshalling(parcel);
55 std::shared_ptr<OpenLinkOptions> openLinkOptions2 = std::make_shared<OpenLinkOptions>();
56 if (!openLinkOptions2) {
57 return false;
58 };
59 openLinkOptions = openLinkOptions2;
60
61 return true;
62 }
63 }
64
65 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)66 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
67 {
68 /* Run your code on data */
69 if (data == nullptr) {
70 std::cout << "invalid data" << std::endl;
71 return 0;
72 }
73
74 /* Validate the length of size */
75 if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
76 return 0;
77 }
78
79 char* ch = static_cast<char*>(malloc(size + 1));
80 if (ch == nullptr) {
81 std::cout << "malloc failed." << std::endl;
82 return 0;
83 }
84
85 (void)memset_s(ch, size + 1, 0x00, size + 1);
86 if (memcpy_s(ch, size + 1, data, size) != EOK) {
87 std::cout << "copy failed." << std::endl;
88 free(ch);
89 ch = nullptr;
90 return 0;
91 }
92
93 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
94 free(ch);
95 ch = nullptr;
96 return 0;
97 }