1 /*
2 * Copyright (c) 2024 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 "registerpermcallback_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 } // namespace
38
39 template<class T>
GetObject(T & object,const uint8_t * data,size_t size)40 size_t GetObject(T &object, const uint8_t *data, size_t size)
41 {
42 size_t objectSize = sizeof(object);
43 if (objectSize > size) {
44 return 0;
45 }
46 errno_t ret = memcpy_s(&object, objectSize, data, objectSize);
47 if (ret != EOK) {
48 return 0;
49 }
50 return objectSize;
51 }
52
SetUpTestCase()53 void SetUpTestCase()
54 {
55 const char **perms = new (std::nothrow) const char *[2];
56 if (perms == nullptr) {
57 return;
58 }
59 perms[0] = "ohos.permission.ACCELEROMETER";
60 perms[1] = "ohos.permission.MANAGE_SENSOR";
61 TokenInfoParams infoInstance = {
62 .dcapsNum = 0,
63 .permsNum = 2,
64 .aclsNum = 0,
65 .dcaps = nullptr,
66 .perms = perms,
67 .acls = nullptr,
68 .processName = "CreateDataChannelStubFuzzTest",
69 .aplStr = "system_core",
70 };
71 uint64_t tokenId = GetAccessTokenId(&infoInstance);
72 SetSelfTokenID(tokenId);
73 AccessTokenKit::ReloadNativeTokenInfo();
74 delete[] perms;
75 }
76
RegisterPermCallbackFuzzTest(const uint8_t * data,size_t size)77 bool RegisterPermCallbackFuzzTest(const uint8_t *data, size_t size)
78 {
79 SetUpTestCase();
80 int32_t sensorId = 0;
81 GetObject<int32_t>(sensorId, data, size);
82 g_service->RegisterPermCallback(sensorId);
83 g_service->UnregisterPermCallback();
84 return true;
85 }
86 } // namespace Sensors
87 } // namespace OHOS
88
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)89 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
90 {
91 /* Run your code on data */
92 if (data == nullptr) {
93 return 0;
94 }
95
96 /* Validate the length of size */
97 if (size < OHOS::Sensors::U32_AT_SIZE) {
98 return 0;
99 }
100
101 OHOS::Sensors::RegisterPermCallbackFuzzTest(data, size);
102 return 0;
103 }
104