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 "freezeutil_fuzzer.h"
17 #include "ability_record.h"
18
19 #include <cstddef>
20 #include <cstdint>
21
22 #define private public
23 #include "freeze_util.h"
24 #undef private
25 #include "securec.h"
26
27 using namespace OHOS::AAFwk;
28 using namespace OHOS::AppExecFwk;
29 using namespace OHOS::AbilityRuntime;
30
31 namespace OHOS {
32 namespace {
33 constexpr size_t U32_AT_SIZE = 4;
34 }
35
GetFuzzAbilityToken()36 sptr<Token> GetFuzzAbilityToken()
37 {
38 sptr<Token> token = nullptr;
39 AbilityRequest abilityRequest;
40 abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
41 abilityRequest.abilityInfo.name = "MainAbility";
42 abilityRequest.abilityInfo.type = AbilityType::DATA;
43 std::shared_ptr<AbilityRecord> abilityRecord = AbilityRecord::CreateAbilityRecord(abilityRequest);
44 if (abilityRecord) {
45 token = abilityRecord->GetToken();
46 }
47 return token;
48 }
49
DoSomethingInterestingWithMyAPI(const char * data,size_t size)50 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
51 {
52 std::string JsonStr(data, size);
53 FreezeUtil::GetInstance();
54 sptr<IRemoteObject> token = GetFuzzAbilityToken();
55 if (!token) {
56 std::cout << "Get ability token failed." << std::endl;
57 return false;
58 };
59 FreezeUtil::GetInstance().AddLifecycleEvent(token, JsonStr);
60 FreezeUtil::GetInstance().GetLifecycleEvent(token);
61 FreezeUtil::GetInstance().DeleteLifecycleEvent(token);
62 return true;
63 }
64 }
65
66 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)67 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
68 {
69 /* Run your code on data */
70 if (data == nullptr) {
71 std::cout << "invalid data" << std::endl;
72 return 0;
73 }
74
75 /* Validate the length of size */
76 if (size < OHOS::U32_AT_SIZE) {
77 return 0;
78 }
79
80 char* ch = static_cast<char*>(malloc(size + 1));
81 if (ch == nullptr) {
82 std::cout << "malloc failed." << std::endl;
83 return 0;
84 }
85
86 (void)memset_s(ch, size + 1, 0x00, size + 1);
87 if (memcpy_s(ch, size + 1, data, size) != EOK) {
88 std::cout << "copy failed." << std::endl;
89 free(ch);
90 ch = nullptr;
91 return 0;
92 }
93
94 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
95 free(ch);
96 ch = nullptr;
97 return 0;
98 }