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 "abilitymgrecologicalrulemgrserviceparam_fuzzer.h"
17 #include "ability_record.h"
18 
19 #include <cstddef>
20 #include <cstdint>
21 
22 #define private public
23 #include "ecological_rule/ability_ecological_rule_mgr_service_param.h"
24 #include "ecological_rule/ability_ecological_rule_mgr_service_interface.h"
25 #undef private
26 #include "securec.h"
27 
28 using namespace OHOS::AAFwk;
29 using namespace OHOS::AppExecFwk;
30 
31 namespace OHOS {
32 namespace {
33 constexpr int INPUT_ZERO = 0;
34 constexpr int INPUT_ONE = 1;
35 constexpr int INPUT_TWO = 2;
36 constexpr int INPUT_THREE = 3;
37 constexpr size_t FOO_MAX_LEN = 1024;
38 constexpr size_t U32_AT_SIZE = 4;
39 constexpr size_t OFFSET_ZERO = 24;
40 constexpr size_t OFFSET_ONE = 16;
41 constexpr size_t OFFSET_TWO = 8;
42 constexpr uint8_t ENABLE = 2;
43 }
GetU32Data(const char * ptr)44 uint32_t GetU32Data(const char* ptr)
45 {
46     // convert fuzz input data to an integer
47     return (ptr[INPUT_ZERO] << OFFSET_ZERO) | (ptr[INPUT_ONE] << OFFSET_ONE) | (ptr[INPUT_TWO] << OFFSET_TWO) |
48         ptr[INPUT_THREE];
49 }
50 
DoSomethingInterestingWithMyAPI(const char * data,size_t size)51 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
52 {
53     EcologicalRuleMgrService::AbilityExperienceRule abilityExperienceRule;
54     Parcel parcel;
55     abilityExperienceRule.Marshalling(parcel);
56     EcologicalRuleMgrService::AbilityCallerInfo abilityCallerInfo;
57     abilityCallerInfo.ReadFromParcel(parcel);
58     abilityCallerInfo.Marshalling(parcel);
59     abilityCallerInfo.DoMarshallingOne(parcel);
60     return true;
61 }
62 }
63 
64 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)65 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
66 {
67     /* Run your code on data */
68     if (data == nullptr) {
69         std::cout << "invalid data" << std::endl;
70         return 0;
71     }
72 
73     /* Validate the length of size */
74     if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
75         return 0;
76     }
77 
78     char* ch = static_cast<char*>(malloc(size + 1));
79     if (ch == nullptr) {
80         std::cout << "malloc failed." << std::endl;
81         return 0;
82     }
83 
84     (void)memset_s(ch, size + 1, 0x00, size + 1);
85     if (memcpy_s(ch, size + 1, data, size) != EOK) {
86         std::cout << "copy failed." << std::endl;
87         free(ch);
88         ch = nullptr;
89         return 0;
90     }
91 
92     OHOS::DoSomethingInterestingWithMyAPI(ch, size);
93     free(ch);
94     ch = nullptr;
95     return 0;
96 }
97 
98