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 "playprimitiveeffectenhanced_fuzzer.h"
17
18 #include "accesstoken_kit.h"
19 #include "nativetoken_kit.h"
20 #include "securec.h"
21 #include "token_setproc.h"
22
23 #include "vibrator_agent.h"
24
25 namespace OHOS {
26 namespace Sensors {
27 using namespace Security::AccessToken;
28 using Security::AccessToken::AccessTokenID;
29
30 namespace {
31 constexpr size_t DATA_MIN_SIZE = 28;
32 constexpr char END_CHAR = '\0';
33 constexpr size_t LEN = 20;
34 } // namespace
35
36 template<class T>
GetObject(const uint8_t * data,size_t size,T & object)37 size_t GetObject(const uint8_t *data, size_t size, T &object)
38 {
39 size_t objectSize = sizeof(object);
40 if (objectSize > size) {
41 return 0;
42 }
43 errno_t ret = memcpy_s(&object, objectSize, data, objectSize);
44 if (ret != EOK) {
45 return 0;
46 }
47 return objectSize;
48 }
49
SetUpTestCase()50 void SetUpTestCase()
51 {
52 const char **perms = new (std::nothrow) const char *[1];
53 if (perms == nullptr) {
54 return;
55 }
56 perms[0] = "ohos.permission.VIBRATE";
57 TokenInfoParams infoInstance = {
58 .dcapsNum = 0,
59 .permsNum = 1,
60 .aclsNum = 0,
61 .dcaps = nullptr,
62 .perms = perms,
63 .acls = nullptr,
64 .processName = "PlayPrimitiveEffectEnhancedFuzzTest",
65 .aplStr = "system_core",
66 };
67 uint64_t tokenId = GetAccessTokenId(&infoInstance);
68 SetSelfTokenID(tokenId);
69 AccessTokenKit::ReloadNativeTokenInfo();
70 delete[] perms;
71 }
72
PlayPrimitiveEffectEnhancedFuzzTest(const uint8_t * data,size_t size)73 void PlayPrimitiveEffectEnhancedFuzzTest(const uint8_t *data, size_t size)
74 {
75 SetUpTestCase();
76 if (data == nullptr || size < DATA_MIN_SIZE) {
77 return;
78 }
79 VibratorIdentifier identifier;
80 size_t startPos = 0;
81 char effectId[LEN + 1];
82 effectId[LEN] = END_CHAR;
83 startPos += GetObject<int32_t>(data + startPos, size - startPos, identifier.deviceId);
84 startPos += GetObject<int32_t>(data + startPos, size - startPos, identifier.vibratorId);
85 for (size_t i = 0; i < LEN; ++i) {
86 startPos += GetObject<char>(data + startPos, size - startPos, effectId[i]);
87 }
88 int32_t intensity { 0 };
89 OHOS::Sensors::PlayPrimitiveEffectEnhanced(identifier, effectId, intensity);
90 }
91 } // namespace Sensors
92 } // namespace OHOS
93
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)94 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
95 {
96 OHOS::Sensors::PlayPrimitiveEffectEnhancedFuzzTest(data, size);
97 return 0;
98 }