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 "abilityappmgrrenderstateobservermanager_fuzzer.h"
17 #include "ability_record.h"
18
19 #include <cstddef>
20 #include <cstdint>
21
22 #define private public
23 #include "render_state_observer_manager.h"
24 #include "hilog_tag_wrapper.h"
25 #include "iremote_object.h"
26 #undef private
27 #include "render_state_observer_proxy.h"
28 #include "render_state_observer_stub.h"
29
30 #include "securec.h"
31
32
33 using namespace OHOS::AAFwk;
34 using namespace OHOS::AppExecFwk;
35
36 namespace OHOS {
37 namespace {
38 constexpr int INPUT_ZERO = 0;
39 constexpr int INPUT_ONE = 1;
40 constexpr int INPUT_TWO = 2;
41 constexpr int INPUT_THREE = 3;
42 constexpr size_t U32_AT_SIZE = 4;
43 constexpr size_t OFFSET_ZERO = 24;
44 constexpr size_t OFFSET_ONE = 16;
45 constexpr size_t OFFSET_TWO = 8;
46 constexpr uint8_t ENABLE = 2;
47 }
GetU32Data(const char * ptr)48 uint32_t GetU32Data(const char* ptr)
49 {
50 // convert fuzz input data to an integer
51 return (ptr[INPUT_ZERO] << OFFSET_ZERO) | (ptr[INPUT_ONE] << OFFSET_ONE) | (ptr[INPUT_TWO] << OFFSET_TWO) |
52 ptr[INPUT_THREE];
53 }
54
GetFuzzAbilityToken()55 sptr<Token> GetFuzzAbilityToken()
56 {
57 sptr<Token> token = nullptr;
58 AbilityRequest abilityRequest;
59 abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
60 abilityRequest.abilityInfo.name = "MainAbility";
61 abilityRequest.abilityInfo.type = AbilityType::DATA;
62 std::shared_ptr<AbilityRecord> abilityRecord = AbilityRecord::CreateAbilityRecord(abilityRequest);
63 if (abilityRecord) {
64 token = abilityRecord->GetToken();
65 }
66 return token;
67 }
68
DoSomethingInterestingWithMyAPI(const char * data,size_t size)69 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
70 {
71 std::shared_ptr<RenderStateObserverManager> manager = std::make_shared<RenderStateObserverManager>();
72 manager->Init();
73 sptr<IRenderStateObserver> observer;
74 manager->RegisterRenderStateObserver(observer);
75 manager->Init();
76 sptr<IRenderStateObserver> observers;
77 manager->UnregisterRenderStateObserver(observers);
78 manager->Init();
79 std::shared_ptr<RenderRecord> renderRecord;
80 int32_t state = static_cast<int32_t>(GetU32Data(data));
81 manager->OnRenderStateChanged(renderRecord, state);
82 return true;
83 }
84 }
85
86 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)87 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
88 {
89 /* Run your code on data */
90 if (data == nullptr) {
91 std::cout << "invalid data" << std::endl;
92 return 0;
93 }
94
95 /* Validate the length of size */
96 if (size < OHOS::U32_AT_SIZE) {
97 return 0;
98 }
99
100 char* ch = static_cast<char*>(malloc(size + 1));
101 if (ch == nullptr) {
102 std::cout << "malloc failed." << std::endl;
103 return 0;
104 }
105
106 (void)memset_s(ch, size + 1, 0x00, size + 1);
107 if (memcpy_s(ch, size + 1, data, size) != EOK) {
108 std::cout << "copy failed." << std::endl;
109 free(ch);
110 ch = nullptr;
111 return 0;
112 }
113
114 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
115 free(ch);
116 ch = nullptr;
117 return 0;
118 }
119
120