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 "dhcpserver_fuzzer.h"
17#include "dhcp_define.h"
18#include "dhcp_server.h"
19#include "dhcp_event.h"
20
21namespace OHOS {
22namespace DHCP {
23    std::shared_ptr<DhcpServer> dhcpServer = DhcpServer::GetInstance(DHCP_SERVER_ABILITY_ID);
24    static OHOS::sptr<DhcpServerCallBack> dhcpServerCallBack =
25        OHOS::sptr<DhcpServerCallBack>(new (std::nothrow)DhcpServerCallBack());
26    bool DhcpServerFuzzerTest(const uint8_t* data, size_t size)
27    {
28        if (dhcpServer == nullptr) {
29            return false;
30        }
31        std::string ifname = std::string(reinterpret_cast<const char*>(data), size);
32        DhcpRange range;
33        int call = 2;
34        range.strTagName = std::string(reinterpret_cast<const char*>(data), size);
35        range.strStartip = std::string(reinterpret_cast<const char*>(data), size);
36        range.strEndip = std::string(reinterpret_cast<const char*>(data), size);
37        range.strSubnet = std::string(reinterpret_cast<const   char*>(data), size);
38        range.iptype = static_cast<int>(data[0]) % call;
39        range.leaseHours = static_cast<int>(data[0]);
40        std::vector<std::string> dhcpClientInfo;
41        dhcpClientInfo.push_back(std::string(reinterpret_cast<const   char*>(data), size));
42
43        dhcpServer->StartDhcpServer(ifname);
44        dhcpServer->StopDhcpServer(ifname);
45        dhcpServer->PutDhcpRange(ifname, range);
46        dhcpServer->RemoveDhcpRange(ifname, range);
47        dhcpServer->RemoveAllDhcpRange(ifname);
48        dhcpServer->SetDhcpRange(ifname, range);
49        dhcpServer->SetDhcpName(ifname, ifname);
50        dhcpServer->GetDhcpClientInfos(ifname, dhcpClientInfo);
51        dhcpServer->UpdateLeasesTime(ifname);
52        dhcpServer->RegisterDhcpServerCallBack(ifname, dhcpServerCallBack);
53
54        return true;
55    }
56}  // namespace DHCP
57}  // namespace OHOS
58
59/* Fuzzer entry point */
60extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
61{
62    OHOS::DHCP::DhcpServerFuzzerTest(data, size);
63    return 0;
64}
65