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 "commonutil_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20 #include <unistd.h>
21 #include "securec.h"
22 #include "common_util.h"
23
24 namespace OHOS {
25 namespace Wifi {
26 constexpr size_t DHCP_SLEEP_1 = 2;
27
CommonUtilFuzzTest(const uint8_t * data,size_t size)28 void CommonUtilFuzzTest(const uint8_t* data, size_t size)
29 {
30 uint32_t index = 0;
31 char buf[] = {"aabbcc"};
32 size_t bufSize = static_cast<uint32_t>(data[index++]);
33 Tmspsec();
34 Tmspusec();
35 LeftTrim(buf);
36 RightTrim(buf);
37 TrimString(buf);
38 RemoveSpaceCharacters(buf, bufSize);
39 }
40
GetFilePathTest(const uint8_t * data,size_t size)41 void GetFilePathTest(const uint8_t* data, size_t size)
42 {
43 char fileName;
44 if (size > 0) {
45 fileName = static_cast<char>(data[0]);
46 }
47 (void)GetFilePath(&fileName);
48 }
49
GetLeaseFileTest(const uint8_t * data,size_t size)50 void GetLeaseFileTest(const uint8_t* data, size_t size)
51 {
52 char fileName;
53 char ifname;
54 if (size > 0) {
55 fileName = static_cast<char>(data[0]);
56 ifname = static_cast<char>(data[0]);
57 }
58 (void)GetLeaseFile(&fileName, &ifname);
59 }
60
CreatePathTest(const uint8_t * data,size_t size)61 void CreatePathTest(const uint8_t* data, size_t size)
62 {
63 char fileName;
64 if (size > 0) {
65 fileName = static_cast<char>(data[0]);
66 }
67 (void)CreatePath(&fileName);
68 }
69
70 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)71 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
72 {
73 if (data == nullptr) {
74 return 0;
75 }
76 sleep(DHCP_SLEEP_1);
77 OHOS::Wifi::CommonUtilFuzzTest(data, size);
78 OHOS::Wifi::GetFilePathTest(data, size);
79 OHOS::Wifi::GetLeaseFileTest(data, size);
80 OHOS::Wifi::CreatePathTest(data, size);
81 return 0;
82 }
83 } // namespace Wifi
84 } // namespace OHOS
85