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 "abilitymanagerservicec_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_THREE = 3;
37 constexpr size_t U32_AT_SIZE = 4;
38 constexpr uint8_t ENABLE = 2;
39 constexpr size_t OFFSET_ZERO = 24;
40 constexpr size_t OFFSET_ONE = 16;
41 constexpr size_t 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[ENABLE] << OFFSET_TWO) |
48 ptr[INPUT_THREE];
49 }
50
GetFuzzAbilityToken()51 sptr<Token> GetFuzzAbilityToken()
52 {
53 sptr<Token> token = nullptr;
54 AbilityRequest abilityRequest;
55 abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
56 abilityRequest.abilityInfo.name = "MainAbility";
57 abilityRequest.abilityInfo.type = AbilityType::DATA;
58 std::shared_ptr<AbilityRecord> abilityRecord = AbilityRecord::CreateAbilityRecord(abilityRequest);
59 if (abilityRecord) {
60 token = abilityRecord->GetToken();
61 }
62 return token;
63 }
64
DoSomethingInterestingWithMyAPI(const char * data,size_t size)65 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
66 {
67 bool boolParam = *data % ENABLE;
68 int intParam = static_cast<int>(GetU32Data(data));
69 int32_t int32Param = static_cast<int32_t>(GetU32Data(data));
70 int64_t int64Param = static_cast<int64_t>(GetU32Data(data));
71 std::string stringParam(data, size);
72 Parcel wantParcel;
73 Want* want = nullptr;
74 if (wantParcel.WriteBuffer(data, size)) {
75 want = Want::Unmarshalling(wantParcel);
76 if (!want) {
77 return false;
78 }
79 }
80 sptr<IRemoteObject> token = GetFuzzAbilityToken();
81
82 // fuzz for AbilityManagerService
83 auto abilityms = std::make_shared<AbilityManagerService>();
84 abilityms->subManagersHelper_ = std::make_shared<SubManagersHelper>(nullptr, nullptr);
85 abilityms->PauseOldConnectManager(int32Param);
86 abilityms->subManagersHelper_->InitDataAbilityManager(int32Param, boolParam);
87 abilityms->GetValidUserId(int32Param);
88 sptr<IAbilityController> abilityController;
89 abilityms->SetAbilityController(abilityController, boolParam);
90 abilityms->IsRunningInStabilityTest();
91 abilityms->IsAbilityControllerStart(*want, stringParam);
92 abilityms->IsAbilityControllerForeground(stringParam);
93 AppExecFwk::ExtensionAbilityInfo extensionInfo;
94 AppExecFwk::AbilityInfo abilityInfo;
95 abilityms->StartUserTest(*want, token);
96 abilityms->FinishUserTest(stringParam, int64Param, stringParam);
97
98 return true;
99 }
100 }
101
102 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)103 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
104 {
105 /* Run your code on data */
106 if (data == nullptr) {
107 return 0;
108 }
109
110 /* Validate the length of size */
111 if (size < OHOS::U32_AT_SIZE) {
112 return 0;
113 }
114
115 char* ch = static_cast<char*>(malloc(size + 1));
116 if (ch == nullptr) {
117 std::cout << "malloc failed." << std::endl;
118 return 0;
119 }
120
121 (void)memset_s(ch, size + 1, 0x00, size + 1);
122 if (memcpy_s(ch, size, data, size) != EOK) {
123 std::cout << "copy failed." << std::endl;
124 free(ch);
125 ch = nullptr;
126 return 0;
127 }
128
129 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
130 free(ch);
131 ch = nullptr;
132 return 0;
133 }
134
135