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 "playpattern_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 template<class T>
GetObject(const uint8_t * data,size_t size,T & object)35 size_t GetObject(const uint8_t *data, size_t size, T &object)
36 {
37 size_t objectSize = sizeof(object);
38 if (objectSize > size) {
39 return 0;
40 }
41 errno_t ret = memcpy_s(&object, objectSize, data, objectSize);
42 if (ret != EOK) {
43 return 0;
44 }
45 return objectSize;
46 }
47
SetUpTestCase()48 void SetUpTestCase()
49 {
50 const char **perms = new (std::nothrow) const char *[1];
51 if (perms == nullptr) {
52 return;
53 }
54 perms[0] = "ohos.permission.VIBRATE";
55 TokenInfoParams infoInstance = {
56 .dcapsNum = 0,
57 .permsNum = 1,
58 .aclsNum = 0,
59 .dcaps = nullptr,
60 .perms = perms,
61 .acls = nullptr,
62 .processName = "PlayPatternFuzzTest",
63 .aplStr = "system_core",
64 };
65 uint64_t tokenId = GetAccessTokenId(&infoInstance);
66 SetSelfTokenID(tokenId);
67 AccessTokenKit::ReloadNativeTokenInfo();
68 delete[] perms;
69 }
70
PlayPatternFuzzTest(const uint8_t * data,size_t size)71 bool PlayPatternFuzzTest(const uint8_t *data, size_t size)
72 {
73 VibratorPattern vibratorPattern { 0 };
74 size_t startPos = 0;
75 startPos += GetObject<int32_t>(data + startPos, size - startPos, vibratorPattern.time);
76 startPos += GetObject<int32_t>(data + startPos, size - startPos, vibratorPattern.eventNum);
77 GetObject<int32_t>(data + startPos, size - startPos, vibratorPattern.patternDuration);
78 int32_t ret = OHOS::Sensors::PlayPattern(vibratorPattern);
79 return ret == 0;
80 }
81 } // namespace OHOS
82
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)83 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
84 {
85 OHOS::PlayPatternFuzzTest(data, size);
86 return 0;
87 }