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 "abilitymanagerserviceeighth_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
DoSomethingInterestingWithMyAPI(const char * data,size_t size)44 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
45 {
46 int intParam = static_cast<int>(GetU32Data(data));
47 int32_t int32Param = static_cast<int32_t>(GetU32Data(data));
48 std::string stringParam(data, size);
49
50 // fuzz for AbilityManagerService
51 auto abilityms = std::make_shared<AbilityManagerService>();
52 std::shared_ptr<CallRecord> callRecord;
53 abilityms->OnCallConnectDied(callRecord);
54 intParam = AmsConfigurationParameter::GetInstance().GetMaxRestartNum(true);
55 abilityms->KillProcess(stringParam);
56 abilityms->ClearUpApplicationData(stringParam);
57 abilityms->UninstallApp(stringParam, int32Param);
58 abilityms->GetBundleManager();
59 abilityms->PreLoadAppDataAbilities(stringParam, int32Param);
60 AbilityInfo abilityInfo;
61 abilityms->IsSystemUiApp(abilityInfo);
62 abilityms->IsSystemUI(stringParam);
63
64 return true;
65 }
66 }
67
68 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)69 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
70 {
71 /* Run your code on data */
72 if (data == nullptr) {
73 return 0;
74 }
75
76 /* Validate the length of size */
77 if (size < OHOS::U32_AT_SIZE || size > OHOS::FOO_MAX_LEN) {
78 return 0;
79 }
80
81 char* ch = (char *)malloc(size + 1);
82 if (ch == nullptr) {
83 std::cout << "malloc failed." << std::endl;
84 return 0;
85 }
86
87 (void)memset_s(ch, size + 1, 0x00, size + 1);
88 if (memcpy_s(ch, size, data, size) != EOK) {
89 std::cout << "copy failed." << std::endl;
90 free(ch);
91 ch = nullptr;
92 return 0;
93 }
94
95 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
96 free(ch);
97 ch = nullptr;
98 return 0;
99 }
100
101