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 "abilityfirstframestateobservermanager_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #define protected public
22 #include "ability_first_frame_state_observer_manager.h"
23 #undef protected
24 #include "permission_verification.h"
25 #include "securec.h"
26
27 using namespace OHOS::AAFwk;
28 using namespace OHOS::AppExecFwk;
29
30 namespace OHOS {
31 namespace {
32 constexpr int INPUT_ZERO = 0;
33 constexpr int INPUT_ONE = 1;
34 constexpr int INPUT_THREE = 3;
35 constexpr size_t FOO_MAX_LEN = 1024;
36 constexpr uint8_t ENABLE = 2;
37 constexpr size_t U32_AT_SIZE = 4;
38 constexpr size_t OFFSET_ZERO = 24;
39 constexpr size_t OFFSET_ONE = 16;
40 constexpr size_t OFFSET_TWO = 8;
41 } // namespace
GetU32Data(const char * ptr)42 uint32_t GetU32Data(const char* ptr)
43 {
44 // convert fuzz input data to an integer
45 return (ptr[INPUT_ZERO] << OFFSET_ZERO) | (ptr[INPUT_ONE] << OFFSET_ONE) |
46 (ptr[ENABLE] << OFFSET_TWO) | ptr[INPUT_THREE];
47 }
48
DoSomethingInterestingWithMyAPI(const char * data,size_t size)49 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
50 {
51 bool boolParam = *data % ENABLE;
52 std::string strParam(data, size);
53 std::shared_ptr<AbilityRecord> abilityRecord;
54 sptr<IRemoteBroker> observers;
55 sptr<IAbilityFirstFrameStateObserver> observer;
56 auto abilityFirstFrameStateObserverSet =
57 std::make_shared<AbilityFirstFrameStateObserverSet>(boolParam);
58 abilityFirstFrameStateObserverSet->AddAbilityFirstFrameStateObserver(
59 observer, strParam);
60 abilityFirstFrameStateObserverSet->RemoveAbilityFirstFrameStateObserver(observer);
61 abilityFirstFrameStateObserverSet->OnAbilityFirstFrameState(abilityRecord);
62 abilityFirstFrameStateObserverSet->AddObserverDeathRecipient(observers);
63 abilityFirstFrameStateObserverSet->RemoveObserverDeathRecipient(observers);
64 AbilityFirstFrameStateObserverManager& instance =
65 AbilityFirstFrameStateObserverManager::GetInstance();
66 instance.Init();
67 instance.RegisterAbilityFirstFrameStateObserver(observer, strParam);
68 instance.UnregisterAbilityFirstFrameStateObserver(observer);
69 instance.HandleOnFirstFrameState(abilityRecord);
70 return true;
71 }
72 } // namespace OHOS
73
74 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)75 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
76 {
77 /* Run your code on data */
78 if (data == nullptr) {
79 std::cout << "invalid data" << std::endl;
80 return 0;
81 }
82 /* Validate the length of size */
83 if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
84 return 0;
85 }
86 char* ch = static_cast<char*>(malloc(size + 1));
87 if (ch == nullptr) {
88 std::cout << "malloc failed." << std::endl;
89 return 0;
90 }
91 (void)memset_s(ch, size + 1, 0x00, size + 1);
92 if (memcpy_s(ch, size + 1, data, size) != EOK) {
93 std::cout << "copy failed." << std::endl;
94 free(ch);
95 ch = nullptr;
96 return 0;
97 }
98 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
99 free(ch);
100 ch = nullptr;
101 return 0;
102 }
103