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 size_t FOO_MAX_LEN = 1024;
35 constexpr size_t U32_AT_SIZE = 4;
36 }
37
GetU32Data(const char * ptr)38 uint32_t GetU32Data(const char* ptr)
39 {
40 // convert fuzz input data to an integer
41 return (ptr[0] << 24) | (ptr[1] << 16) | (ptr[2] << 8) | ptr[3];
42 }
43
GetFuzzAbilityRecord()44 std::shared_ptr<AbilityRecord> GetFuzzAbilityRecord()
45 {
46 AbilityRequest abilityRequest;
47 abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
48 abilityRequest.abilityInfo.name = "MainAbility";
49 abilityRequest.abilityInfo.type = AbilityType::DATA;
50 std::shared_ptr<AbilityRecord> abilityRecord = AbilityRecord::CreateAbilityRecord(abilityRequest);
51 return abilityRecord;
52 }
53
DoSomethingInterestingWithMyAPI(const char * data,size_t size)54 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
55 {
56 int32_t int32Param = static_cast<int32_t>(GetU32Data(data));
57 std::string stringParam(data, size);
58
59 // fuzz for AbilityManagerService
60 auto abilityms = std::make_shared<AbilityManagerService>();
61 MissionSnapshot missionSnapshot;
62 abilityms->GetRemoteMissionSnapshotInfo(stringParam, int32Param, missionSnapshot);
63 std::vector<AppExecFwk::AbilityInfo> abilityInfos;
64 abilityms->GetDataAbilityUri(abilityInfos, stringParam, stringParam);
65 std::vector<AbilityRunningInfo> abilityRunningInfo;
66 std::shared_ptr<AbilityRecord> abilityRecord = GetFuzzAbilityRecord();
67 abilityms->GetAbilityRunningInfo(abilityRunningInfo, abilityRecord);
68 abilityms->VerifyAccountPermission(int32Param);
69
70 return true;
71 }
72 }
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 return 0;
80 }
81
82 /* Validate the length of size */
83 if (size < OHOS::U32_AT_SIZE || size > OHOS::FOO_MAX_LEN) {
84 return 0;
85 }
86
87 char* ch = (char *)malloc(size + 1);
88 if (ch == nullptr) {
89 std::cout << "malloc failed." << std::endl;
90 return 0;
91 }
92
93 (void)memset_s(ch, size + 1, 0x00, size + 1);
94 if (memcpy_s(ch, size, data, size) != EOK) {
95 std::cout << "copy failed." << std::endl;
96 free(ch);
97 ch = nullptr;
98 return 0;
99 }
100
101 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
102 free(ch);
103 ch = nullptr;
104 return 0;
105 }
106
107