84 lines
3.8 KiB
C#
84 lines
3.8 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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/// <summary>
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/// RFC 1035:
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///
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/// 3.4.1. A RDATA format
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/// +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
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/// | ADDRESS |
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/// +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
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///
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/// where:
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///
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/// ADDRESS A 32 bit Internet address.
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///
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/// Hosts that have multiple Internet addresses will have multiple A
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/// records.
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///
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/// A records cause no additional section processing. The RDATA section of
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/// an A line in a master file is an Internet address expressed as four
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/// decimal numbers separated by dots without any imbedded spaces (e.g.,
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/// "10.2.0.52" or "192.0.5.6").
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///
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/// </summary>
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public sealed class ARecord : DnsRecordBase, IDnsRecord
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{
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private string _hostAddress;
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/// <summary>
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/// The answer host address for the DNS A Record.
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/// </summary>
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public string HostAddress
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{
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get { return _hostAddress; }
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}
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internal ARecord(RecordHeader dnsHeader) : base(dnsHeader) { }
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public override void ParseRecord(ref MemoryStream ms)
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{
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_hostAddress = ms.ReadByte() + "." + ms.ReadByte() + "." + ms.ReadByte() + "." + ms.ReadByte();
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_answer = "Address: " + _hostAddress;
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}
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}
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}
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