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 "setparametersenhanced_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20 #include <cstring>
21 #include <string>
22
23 #include "accesstoken_kit.h"
24 #include "nativetoken_kit.h"
25 #include "securec.h"
26 #include "token_setproc.h"
27
28 #include "vibrator_agent.h"
29
30 namespace OHOS {
31 using namespace Security::AccessToken;
32 using Security::AccessToken::AccessTokenID;
33 namespace {
34 constexpr size_t U32_AT_SIZE = 20;
35 } // namespace
36
37 template<class T>
GetObject(const uint8_t * data,size_t size,T & object)38 size_t GetObject(const uint8_t *data, size_t size, T &object)
39 {
40 size_t objectSize = sizeof(object);
41 if (objectSize > size) {
42 return 0;
43 }
44 errno_t ret = memcpy_s(&object, objectSize, data, objectSize);
45 if (ret != EOK) {
46 return 0;
47 }
48 return objectSize;
49 }
50
SetUpTestCase()51 void SetUpTestCase()
52 {
53 const char **perms = new (std::nothrow) const char *[1];
54 if (perms == nullptr) {
55 return;
56 }
57 perms[0] = "ohos.permission.VIBRATE";
58 TokenInfoParams infoInstance = {
59 .dcapsNum = 0,
60 .permsNum = 1,
61 .aclsNum = 0,
62 .dcaps = nullptr,
63 .perms = perms,
64 .acls = nullptr,
65 .processName = "FreeVibratorPackageTest",
66 .aplStr = "system_core",
67 };
68 uint64_t tokenId = GetAccessTokenId(&infoInstance);
69 SetSelfTokenID(tokenId);
70 AccessTokenKit::ReloadNativeTokenInfo();
71 delete[] perms;
72 }
73
SetParametersEnhancedFuzzTest(const uint8_t * data,size_t size)74 bool SetParametersEnhancedFuzzTest(const uint8_t *data, size_t size)
75 {
76 if (data == nullptr || size < U32_AT_SIZE) {
77 return false;
78 }
79 SetUpTestCase();
80 VibratorParameter parameter { 0 };
81 VibratorIdentifier identifier;
82 size_t startPos = 0;
83 startPos += GetObject<int32_t>(data + startPos, size - startPos, identifier.deviceId);
84 startPos += GetObject<int32_t>(data + startPos, size - startPos, identifier.vibratorId);
85 startPos += GetObject<int32_t>(data + startPos, size - startPos, parameter.intensity);
86 startPos += GetObject<int32_t>(data + startPos, size - startPos, parameter.frequency);
87 GetObject<int32_t>(data + startPos, size - startPos, parameter.reserved);
88 return OHOS::Sensors::SetParametersEnhanced(identifier, parameter);
89 }
90 } // namespace OHOS
91
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)92 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
93 {
94 OHOS::SetParametersEnhancedFuzzTest(data, size);
95 return 0;
96 }