1 /*
2 * Copyright (c) 2022 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 "abilitymanagerserviceh_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #define private public
22 #define protected public
23 #include "ability_manager_service.h"
24 #undef protected
25 #undef private
26
27 #include "ability_record.h"
28
29 using namespace OHOS::AAFwk;
30 using namespace OHOS::AppExecFwk;
31
32 namespace OHOS {
33 namespace {
34 constexpr int INPUT_ZERO = 0;
35 constexpr int INPUT_ONE = 1;
36 constexpr int INPUT_TWO = 2;
37 constexpr int INPUT_THREE = 3;
38 constexpr size_t U32_AT_SIZE = 4;
39 constexpr int OFFSET_ZERO = 24;
40 constexpr int OFFSET_ONE = 16;
41 constexpr int OFFSET_TWO = 8;
42 }
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
GetFuzzAbilityRecord()51 std::shared_ptr<AbilityRecord> GetFuzzAbilityRecord()
52 {
53 AbilityRequest abilityRequest;
54 abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
55 abilityRequest.abilityInfo.name = "MainAbility";
56 abilityRequest.abilityInfo.type = AbilityType::DATA;
57 std::shared_ptr<AbilityRecord> abilityRecord = AbilityRecord::CreateAbilityRecord(abilityRequest);
58 return abilityRecord;
59 }
60
DoSomethingInterestingWithMyAPI(const char * data,size_t size)61 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
62 {
63 int32_t int32Param = static_cast<int32_t>(GetU32Data(data));
64 std::string stringParam(data, size);
65
66 // fuzz for AbilityManagerService
67 auto abilityms = std::make_shared<AbilityManagerService>();
68 std::vector<AppExecFwk::AbilityInfo> abilityInfos;
69 abilityms->GetDataAbilityUri(abilityInfos, stringParam, stringParam);
70 std::vector<AbilityRunningInfo> abilityRunningInfo;
71 std::shared_ptr<AbilityRecord> abilityRecord = GetFuzzAbilityRecord();
72 abilityms->GetAbilityRunningInfo(abilityRunningInfo, abilityRecord);
73 abilityms->VerifyAccountPermission(int32Param);
74
75 return true;
76 }
77 }
78
79 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)80 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
81 {
82 /* Run your code on data */
83 if (data == nullptr) {
84 return 0;
85 }
86
87 /* Validate the length of size */
88 if (size < OHOS::U32_AT_SIZE) {
89 return 0;
90 }
91
92 char* ch = static_cast<char*>(malloc(size + 1));
93 if (ch == nullptr) {
94 std::cout << "malloc failed." << std::endl;
95 return 0;
96 }
97
98 (void)memset_s(ch, size + 1, 0x00, size + 1);
99 if (memcpy_s(ch, size, data, size) != EOK) {
100 std::cout << "copy failed." << std::endl;
101 free(ch);
102 ch = nullptr;
103 return 0;
104 }
105
106 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
107 free(ch);
108 ch = nullptr;
109 return 0;
110 }
111
112