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 FOO_MAX_LEN = 1024;
34 constexpr size_t U32_AT_SIZE = 4;
35 }
36
GetFuzzAbilityToken()37 sptr<Token> GetFuzzAbilityToken()
38 {
39 sptr<Token> token = nullptr;
40 AbilityRequest abilityRequest;
41 abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
42 abilityRequest.abilityInfo.name = "MainAbility";
43 abilityRequest.abilityInfo.type = AbilityType::DATA;
44 std::shared_ptr<AbilityRecord> abilityRecord = AbilityRecord::CreateAbilityRecord(abilityRequest);
45 if (abilityRecord) {
46 token = abilityRecord->GetToken();
47 }
48 return token;
49 }
50
DoSomethingInterestingWithMyAPI(const char * data,size_t size)51 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
52 {
53 FreezeUtil::LifecycleFlow flow;
54 std::string JsonStr(data, size);
55 FreezeUtil::GetInstance();
56 sptr<IRemoteObject> token = GetFuzzAbilityToken();
57 if (!token) {
58 std::cout << "Get ability token failed." << std::endl;
59 return false;
60 };
61 FreezeUtil::GetInstance().AddLifecycleEvent(flow, JsonStr);
62 FreezeUtil::GetInstance().GetLifecycleEvent(flow);
63 FreezeUtil::GetInstance().DeleteLifecycleEvent(flow);
64 FreezeUtil::GetInstance().DeleteLifecycleEvent(token);
65 FreezeUtil::GetInstance().DeleteLifecycleEventInner(flow);
66 return true;
67 }
68 }
69
70 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)71 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
72 {
73 /* Run your code on data */
74 if (data == nullptr) {
75 std::cout << "invalid data" << std::endl;
76 return 0;
77 }
78
79 /* Validate the length of size */
80 if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
81 return 0;
82 }
83
84 char* ch = static_cast<char*>(malloc(size + 1));
85 if (ch == nullptr) {
86 std::cout << "malloc failed." << std::endl;
87 return 0;
88 }
89
90 (void)memset_s(ch, size + 1, 0x00, size + 1);
91 if (memcpy_s(ch, size + 1, data, size) != EOK) {
92 std::cout << "copy failed." << std::endl;
93 free(ch);
94 ch = nullptr;
95 return 0;
96 }
97
98 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
99 free(ch);
100 ch = nullptr;
101 return 0;
102 }