73 lines
3.1 KiB
C++
73 lines
3.1 KiB
C++
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
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// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
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// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
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// PARTICULAR PURPOSE.
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//
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// Copyright (c) Microsoft Corporation. All rights reserved
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#include<windows.h>
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#include<stdio.h>
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#include<dhcpsapi.h>
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#define DHCP_DATE_TIME_RANDOM_HIGH_VALUE 0x1ccba28
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#define DHCP_DATE_TIME_RANDOM_LOW_VALUE 0x3f4115f0
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#define DHCP_SAMPLE_IAID 0x1400155d
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#define SAMPLE_HOST_NAME L"TEST-HOSTNAME"
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#define SAMPLE_COMMENT L"TEST-COMMENT"
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int __cdecl main(void)
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{
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DWORD dwError = ERROR_SUCCESS; // Variable to store the error code
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DHCP_IPV6_ADDRESS dwIpAddress = {0};
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LPWSTR pwszServer = NULL; // Server IP Address, Null signifies the current server (where the program is run)
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DHCP_CLIENT_INFO_V6 clientInfo = {0}; // Client Info to be created
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LPWSTR pwszComment = SAMPLE_COMMENT; // Client comment
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DATE_TIME leaseExpTime = {0}; // Lease expiry time
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char* hwAddress = "12121212";
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size_t dwHwAddrLen = strlen(hwAddress);
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// Create LeaseTime
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// The assigned value mean that lease wont expire (Reservation)
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leaseExpTime.dwHighDateTime = DHCP_DATE_TIME_RANDOM_HIGH_VALUE;
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leaseExpTime.dwLowDateTime = DHCP_DATE_TIME_RANDOM_LOW_VALUE;
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dwIpAddress.HighOrderBits = 0xfc00000000000000;
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dwIpAddress.LowOrderBits = 0xa;
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// Fill clientInfo
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clientInfo.ClientIpAddress = dwIpAddress;
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clientInfo.ClientName = SAMPLE_HOST_NAME;
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clientInfo.ClientComment = pwszComment;
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clientInfo.ClientValidLeaseExpires = leaseExpTime;
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clientInfo.ClientPrefLeaseExpires = leaseExpTime;
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clientInfo.AddressType = 0; // IANA
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clientInfo.IAID = DHCP_SAMPLE_IAID;
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clientInfo.OwnerHost.HostName = SAMPLE_HOST_NAME;
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clientInfo.OwnerHost.NetBiosName = SAMPLE_HOST_NAME;
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clientInfo.OwnerHost.IpAddress = dwIpAddress;
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clientInfo.ClientDUID.DataLength = (DWORD)dwHwAddrLen;
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clientInfo.ClientDUID.Data=(BYTE*)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, dwHwAddrLen);
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if(clientInfo.ClientDUID.Data == NULL)
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goto Cleanup;
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memcpy_s(clientInfo.ClientDUID.Data, dwHwAddrLen, hwAddress, dwHwAddrLen);
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//Creates a DHCPv4 client lease record in the DHCP server database
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dwError = DhcpV6CreateClientInfo(
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pwszServer, //ServerIpAddress, if this is NULL, it means the current server on which the program is run
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&clientInfo
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);
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if(ERROR_SUCCESS != dwError)
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{
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wprintf(L"DhcpV6CreateClientInfo failed with Error = %d\n",dwError);
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}else
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{
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wprintf(L"DhcpV6CreateClientInfo returned success\n");
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}
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HeapFree(GetProcessHeap(), HEAP_ZERO_MEMORY, clientInfo.ClientDUID.Data);
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Cleanup:
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return 0;
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}
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