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 "dhcpargument_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20 #include <unistd.h>
21 #include "securec.h"
22 #include "dhcp_argument.h"
23
24 namespace OHOS {
25 namespace DHCP {
26 constexpr size_t DHCP_SLEEP_1 = 2;
27 constexpr size_t U32_AT_SIZE_ZERO = 4;
28
HasArgumentTest(const uint8_t * data,size_t size)29 void HasArgumentTest(const uint8_t* data, size_t size)
30 {
31 const char *argument = "TEXT";
32 HasArgument(argument);
33 }
34
GetArgumentTest(const uint8_t * data,size_t size)35 void GetArgumentTest(const uint8_t* data, size_t size)
36 {
37 const char *name = "TEXT";
38 GetArgument(name);
39 }
40
PutArgumentTest(const uint8_t * data,size_t size)41 void PutArgumentTest(const uint8_t* data, size_t size)
42 {
43 const char *argument = "TEXT";
44 const char *val = "TEXT";
45 PutArgument(argument, val);
46 }
47
ParseArgumentsTest(const uint8_t * data,size_t size)48 void ParseArgumentsTest(const uint8_t* data, size_t size)
49 {
50 std::string ifName = std::string(reinterpret_cast<const char*>(data), size);
51 std::string netMask = std::string(reinterpret_cast<const char*>(data), size);
52 std::string ipRange = std::string(reinterpret_cast<const char*>(data), size);
53 std::string localIp = std::string(reinterpret_cast<const char*>(data), size);
54 ParseArguments(ifName, netMask, ipRange, localIp);
55 }
56
FreeArgumentsTest(const uint8_t * data,size_t size)57 void FreeArgumentsTest(const uint8_t* data, size_t size)
58 {
59 FreeArguments();
60 }
61
InitArgumentsTest(const uint8_t * data,size_t size)62 void InitArgumentsTest(const uint8_t* data, size_t size)
63 {
64 InitArguments();
65 }
66
67 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)68 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
69 {
70 if ((data == nullptr) || (size <= OHOS::DHCP::U32_AT_SIZE_ZERO)) {
71 return 0;
72 }
73 sleep(DHCP_SLEEP_1);
74 OHOS::DHCP::HasArgumentTest(data, size);
75 OHOS::DHCP::GetArgumentTest(data, size);
76 OHOS::DHCP::PutArgumentTest(data, size);
77 OHOS::DHCP::ParseArgumentsTest(data, size);
78 OHOS::DHCP::FreeArgumentsTest(data, size);
79 OHOS::DHCP::InitArgumentsTest(data, size);
80 return 0;
81 }
82 } // namespace DHCP
83 } // namespace OHOS
84