98 lines
4.7 KiB
C#
98 lines
4.7 KiB
C#
/**********************************************************************
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* Copyright (c) 2010, j. montgomery *
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* All rights reserved. *
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* *
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* Redistribution and use in source and binary forms, with or without *
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* modification, are permitted provided that the following conditions *
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* are met: *
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* *
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* + Redistributions of source code must retain the above copyright *
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* notice, this list of conditions and the following disclaimer. *
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* *
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* + Redistributions in binary form must reproduce the above copyright*
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* notice, this list of conditions and the following disclaimer *
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* in the documentation and/or other materials provided with the *
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* distribution. *
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* *
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* + Neither the name of j. montgomery's employer nor the names of *
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* its contributors may be used to endorse or promote products *
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* derived from this software without specific prior written *
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* permission. *
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* *
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS*
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT *
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS *
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE *
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,*
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES *
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR *
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) *
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,*
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) *
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED*
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* OF THE POSSIBILITY OF SUCH DAMAGE. *
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**********************************************************************/
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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.IO;
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namespace DnDns.Records
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{
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public sealed class AaaaRecord : DnsRecordBase
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{
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private string m_ipAddress;
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internal AaaaRecord(RecordHeader dnsHeader) : base(dnsHeader) { }
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public override void ParseRecord(ref MemoryStream ms)
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{
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// TODO: Test and incorporate BinToHex function below
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m_ipAddress =
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ms.ReadByte().ToString("x2") + ms.ReadByte().ToString("x2") + ":" + ms.ReadByte().ToString("x2") + ms.ReadByte().ToString("x2") + ":" +
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ms.ReadByte().ToString("x2") + ms.ReadByte().ToString("x2") + ":" + ms.ReadByte().ToString("x2") + ms.ReadByte().ToString("x2") + ":" +
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ms.ReadByte().ToString("x2") + ms.ReadByte().ToString("x2") + ":" + ms.ReadByte().ToString("x2") + ms.ReadByte().ToString("x2") + ":" +
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ms.ReadByte().ToString("x2") + ms.ReadByte().ToString("x2") + ":" + ms.ReadByte().ToString("x2") + ms.ReadByte().ToString("x2");
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_answer = "IPv6 Address: " + m_ipAddress;
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}
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// TODO: converted from VB.NET, test to make sure it works properly
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private static string BinToHex(byte[] data)
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{
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if (data != null)
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{
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StringBuilder sb = new System.Text.StringBuilder(1024);
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for (int i = 0; i < data.Length; i++)
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{
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sb.Append(data[i].ToString("X2"));
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}
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return sb.ToString();
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}
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else
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{
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return null;
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}
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}
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// TODO: converted from VB.NET, test to make sure it works properly
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private static byte[] HexToBin(string s)
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{
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int arraySize = s.Length / 2;
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byte[] bytes = new byte[arraySize - 1];
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int counter = 0;
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for (int i = 0; i < s.Length - 1; i = 2)
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{
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string hexValue = s.Substring(i, 2);
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// Tell convert to interpret the string as a 16 bit hex value
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int intValue = Convert.ToInt32(hexValue, 16);
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// Convert the integer to a byte and store it in the array
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bytes[counter] = Convert.ToByte(intValue);
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counter += 1;
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}
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return bytes;
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}
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}
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}
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