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 "bundleactiveonremoterequest_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
25 namespace OHOS {
26 namespace DeviceUsageStats {
27 constexpr uint32_t U32_AT_SIZE = 4;
28 constexpr uint32_t MAX_CODE = 14; // current max code is 14
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 const std::u16string BUNDLE_ACTIVE_TOKEN = u"Resourceschedule.IBundleActiveService";
35 bool isInited = false;
36
GetU32Data(const char * ptr)37 uint32_t GetU32Data(const char* ptr)
38 {
39 return (ptr[0] << TWENTYFOUR) | (ptr[1] << SIXTEEN) | (ptr[TWO] << EIGHT) | (ptr[THREE]);
40 }
41
DoSomethingInterestingWithMyAPI(const char * data,size_t size)42 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
43 {
44 DelayedSingleton<FuzztestHelper>::GetInstance()->NativeTokenGet();
45 uint32_t code = GetU32Data(data);
46 MessageParcel datas;
47 datas.WriteInterfaceToken(BUNDLE_ACTIVE_TOKEN);
48 datas.WriteBuffer(data, size);
49 datas.RewindRead(0);
50 MessageParcel reply;
51 MessageOption option;
52 if (!isInited) {
53 DelayedSingleton<BundleActiveService>::GetInstance()->InitService();
54 isInited = true;
55 }
56 DelayedSingleton<BundleActiveService>::GetInstance()->OnRemoteRequest(code % MAX_CODE, datas, reply, option);
57 return true;
58 }
59 } // namespace DeviceUsageStats
60 } // namespace OHOS
61
62 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)63 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
64 {
65 /* Run your code on data */
66 if (data == nullptr) {
67 return 0;
68 }
69
70 if (size < OHOS::DeviceUsageStats::U32_AT_SIZE) {
71 return 0;
72 }
73 char* ch = (char *)malloc(size + 1);
74 if (ch == nullptr) {
75 return 0;
76 }
77
78 (void)memset_s(ch, size + 1, 0x00, size + 1);
79 if (memcpy_s(ch, size, data, size) != EOK) {
80 free(ch);
81 ch = nullptr;
82 return 0;
83 }
84
85 OHOS::DeviceUsageStats::DoSomethingInterestingWithMyAPI(ch, size);
86 free(ch);
87 ch = nullptr;
88 return 0;
89 }
90
91