1 /*
2 * Copyright (c) 2025 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 "setdevicestatusstub_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #include "accesstoken_kit.h"
22 #include "message_parcel.h"
23 #include "nativetoken_kit.h"
24 #include "securec.h"
25 #include "token_setproc.h"
26
27 #include "sensor.h"
28 #include "sensor_service.h"
29
30 namespace OHOS {
31 namespace Sensors {
32 using namespace Security::AccessToken;
33 using Security::AccessToken::AccessTokenID;
34 namespace {
35 constexpr size_t U32_AT_SIZE = 4;
36 auto g_service = SensorDelayedSpSingleton<SensorService>::GetInstance();
37 const std::u16string SENSOR_INTERFACE_TOKEN = u"OHOS.Sensors.ISensorService";
38 } // namespace
39
40 template<class T>
GetObject(T & object,const uint8_t * data,size_t size)41 size_t GetObject(T &object, const uint8_t *data, size_t size)
42 {
43 size_t objectSize = sizeof(object);
44 if (objectSize > size) {
45 return 0;
46 }
47 errno_t ret = memcpy_s(&object, objectSize, data, objectSize);
48 if (ret != EOK) {
49 return 0;
50 }
51 return objectSize;
52 }
53
SetUpTestCase()54 void SetUpTestCase()
55 {
56 const char **perms = new (std::nothrow) const char *[2];
57 if (perms == nullptr) {
58 return;
59 }
60 perms[0] = "ohos.permission.ACCELEROMETER";
61 perms[1] = "ohos.permission.MANAGE_SENSOR";
62 TokenInfoParams infoInstance = {
63 .dcapsNum = 0,
64 .permsNum = 2,
65 .aclsNum = 0,
66 .dcaps = nullptr,
67 .perms = perms,
68 .acls = nullptr,
69 .processName = "SetDeviceStatusServiceFuzzTest",
70 .aplStr = "system_core",
71 };
72 uint64_t tokenId = GetAccessTokenId(&infoInstance);
73 SetSelfTokenID(tokenId);
74 AccessTokenKit::ReloadNativeTokenInfo();
75 delete[] perms;
76 }
77
SetDeviceStatusFuzzTest(const uint8_t * data,size_t size)78 bool SetDeviceStatusFuzzTest(const uint8_t *data, size_t size)
79 {
80 SetUpTestCase();
81 if (g_service == nullptr) {
82 return false;
83 }
84 MessageParcel datas;
85 datas.WriteInterfaceToken(SENSOR_INTERFACE_TOKEN);
86 int32_t deviceStatus = 0;
87 GetObject<int32_t>(deviceStatus, data, size);
88 datas.WriteInt32(deviceStatus);
89 datas.RewindRead(0);
90 MessageParcel reply;
91 MessageOption option;
92 g_service->OnRemoteRequest(static_cast<uint32_t>(ISensorServiceIpcCode::COMMAND_SET_DEVICE_STATUS),
93 datas, reply, option);
94 return true;
95 }
96 } // namespace Sensors
97 } // namespace OHOS
98
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)99 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
100 {
101 /* Run your code on data */
102 if (data == nullptr) {
103 return 0;
104 }
105
106 /* Validate the length of size */
107 if (size < OHOS::Sensors::U32_AT_SIZE) {
108 return 0;
109 }
110
111 OHOS::Sensors::SetDeviceStatusFuzzTest(data, size);
112 return 0;
113 }
114