1 /*
2 * Copyright (c) 2023 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 "bundleactiveobserver_fuzzer.h"
17
18 #include "accesstoken_kit.h"
19 #include "app_mgr_interface.h"
20
21 #include "system_ability_definition.h"
22 #include "iservice_registry.h"
23 #include "bundle_active_service.h"
24 #include "iapp_group_callback.h"
25
26 namespace OHOS {
27 namespace DeviceUsageStats {
28 constexpr uint32_t U32_AT_SIZE = 4;
29 constexpr uint8_t TWENTYFOUR = 24;
30 constexpr uint8_t SIXTEEN = 16;
31 constexpr uint8_t EIGHT = 8;
32 constexpr uint8_t TWO = 2;
33 constexpr uint8_t THREE = 3;
34 bool g_isInited = false;
35
GetU32Data(const char * ptr)36 uint32_t GetU32Data(const char* ptr)
37 {
38 return (ptr[0] << TWENTYFOUR) | (ptr[1] << SIXTEEN) | (ptr[TWO] << EIGHT) | (ptr[THREE]);
39 }
40
DoSomethingInterestingWithMyAPI(const char * data,size_t size)41 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
42 {
43 DelayedSingleton<FuzztestHelper>::GetInstance()->NativeTokenGet();
44 if (!g_isInited) {
45 DelayedSingleton<BundleActiveService>::GetInstance()->InitService();
46 g_isInited = true;
47 }
48 sptr<IAppGroupCallback> appGroupCallback = nullptr;
49 DelayedSingleton<BundleActiveService>::GetInstance()->RegisterAppGroupCallBack(appGroupCallback);
50 DelayedSingleton<BundleActiveService>::GetInstance()->UnRegisterAppGroupCallBack(appGroupCallback);
51 bool result = false;
52 int32_t userId = static_cast<int32_t>(GetU32Data(data));
53 std::string inputBundlName(data);
54 DelayedSingleton<BundleActiveService>::GetInstance()->IsBundleIdle(result, inputBundlName, userId);
55 return true;
56 }
57 } // namespace DeviceUsageStats
58 } // namespace OHOS
59
60 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)61 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
62 {
63 /* Run your code on data */
64 if (data == nullptr) {
65 return 0;
66 }
67
68 if (size < OHOS::DeviceUsageStats::U32_AT_SIZE) {
69 return 0;
70 }
71 char* ch = (char *)malloc(size + 1);
72 if (ch == nullptr) {
73 return 0;
74 }
75
76 (void)memset_s(ch, size + 1, 0x00, size + 1);
77 if (memcpy_s(ch, size, data, size) != EOK) {
78 free(ch);
79 ch = nullptr;
80 return 0;
81 }
82
83 OHOS::DeviceUsageStats::DoSomethingInterestingWithMyAPI(ch, size);
84 free(ch);
85 ch = nullptr;
86 return 0;
87 }
88
89