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 "dhcpclient_fuzzer.h"
17 #include "dhcp_client.h"
18 #include "dhcp_event.h"
19
20 namespace OHOS {
21 namespace DHCP {
22 std::shared_ptr<DhcpClient> dhcpClient = DhcpClient::GetInstance(DHCP_CLIENT_ABILITY_ID);
23 static OHOS::sptr<DhcpClientCallBack> dhcpClientCallBack =
24 OHOS::sptr<DhcpClientCallBack>(new (std::nothrow)DhcpClientCallBack());
25 static OHOS::sptr<DhcpServerCallBack> dhcpServerCallBack =
26 OHOS::sptr<DhcpServerCallBack>(new (std::nothrow)DhcpServerCallBack());
DhcpClientFuzzerTest(const uint8_t * data,size_t size)27 bool DhcpClientFuzzerTest(const uint8_t* data, size_t size)
28 {
29 if (dhcpClient == nullptr) {
30 return false;
31 }
32
33 RouterConfig config;
34 config.ifname = std::string(reinterpret_cast<const char*>(data), size);
35 config.bssid = std::string(reinterpret_cast<const char*>(data), size);
36 config.bIpv6 = false;
37 config.prohibitUseCacheIp = false;
38 dhcpClient->StartDhcpClient(config);
39 dhcpClient->StopDhcpClient(config.ifname, true, true);
40 dhcpClient->RegisterDhcpClientCallBack(config.ifname, dhcpClientCallBack);
41 IpCacheInfo ipCacheInfo;
42 ipCacheInfo.ssid = std::string(reinterpret_cast<const char*>(data), size);
43 ipCacheInfo.bssid = std::string(reinterpret_cast<const char*>(data), size);
44 dhcpClient->DealWifiDhcpCache(WIFI_DHCP_CACHE_ADD, ipCacheInfo);
45 dhcpClient->DealWifiDhcpCache(WIFI_DHCP_CACHE_REMOVE, ipCacheInfo);
46 return true;
47 }
48 } // namespace DHCP
49 } // namespace OHOS
50
51 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)52 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
53 {
54 OHOS::DHCP::DhcpClientFuzzerTest(data, size);
55 return 0;
56 }
57