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 "getdelaytimeenhanced_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
34 namespace {
35 constexpr size_t U32_AT_SIZE = 12;
36 } // namespace
37
38 template<class T>
GetObject(const uint8_t * data,size_t size,T & object)39 size_t GetObject(const uint8_t *data, size_t size, T &object)
40 {
41 size_t objectSize = sizeof(object);
42 if (objectSize > size) {
43 return 0;
44 }
45 errno_t ret = memcpy_s(&object, objectSize, data, objectSize);
46 if (ret != EOK) {
47 return 0;
48 }
49 return objectSize;
50 }
51
SetUpTestCase()52 void SetUpTestCase()
53 {
54 const char **perms = new (std::nothrow) const char *[1];
55 if (perms == nullptr) {
56 return;
57 }
58 perms[0] = "ohos.permission.VIBRATE";
59 TokenInfoParams infoInstance = {
60 .dcapsNum = 0,
61 .permsNum = 1,
62 .aclsNum = 0,
63 .dcaps = nullptr,
64 .perms = perms,
65 .acls = nullptr,
66 .processName = "GetDelayTimeEnhancedFuzzTest",
67 .aplStr = "system_core",
68 };
69 uint64_t tokenId = GetAccessTokenId(&infoInstance);
70 SetSelfTokenID(tokenId);
71 AccessTokenKit::ReloadNativeTokenInfo();
72 delete[] perms;
73 }
74
GetDelayTimeEnhancedFuzzTest(const uint8_t * data,size_t size)75 bool GetDelayTimeEnhancedFuzzTest(const uint8_t *data, size_t size)
76 {
77 if (data == nullptr || size < U32_AT_SIZE) {
78 return false;
79 }
80 SetUpTestCase();
81
82 VibratorIdentifier identifier;
83 size_t startPos = 0;
84 int32_t delayTime = 0;
85 startPos += GetObject<int32_t>(data + startPos, size - startPos, identifier.deviceId);
86 startPos += GetObject<int32_t>(data + startPos, size - startPos, identifier.vibratorId);
87 GetObject<int32_t>(data + startPos, size - startPos, delayTime);
88
89 int32_t ret = OHOS::Sensors::GetDelayTimeEnhanced(identifier, delayTime);
90 if (ret == 0) {
91 return false;
92 }
93 return true;
94 }
95 } // namespace OHOS
96
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)97 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
98 {
99 OHOS::GetDelayTimeEnhancedFuzzTest(data, size);
100 return 0;
101 }