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STUN Client

, 20 Apr 2007
STUN client C# implementation with sample application
Stun.zip
Stun
Net
docs
dns
dns_records.jpg
dns_records.vsd
Net
_junk
_Obsolete
_Stuff
AUTH
bin
Release
LumiSoft.Net.dll
Data
Dns
Client
FTP
Client
Server
HTTP
Server
ICMP
IMAP
Client
Server
IO
Log
LumiSoft.Net
Mime
vCard
Net.csproj.user
Net.suo
NNTP
Client
POP3
Client
Server
SDP
ServersCore
SIP
Client
Message
Proxy
Stack
SMTP
Client
Server
STUN
Client
Message
STUN_Client_app
STUN_Client_app.suo
STUN_Client_app
bin
Debug
LumiSoft.Net.dll
STUN_Client_app.exe
STUN_Client_app.vshost.exe
dep
LumiSoft.Net.dll
Properties
Settings.settings
using System;

namespace LumiSoft.Net.SMTP.Server
{
	/// <summary>
	/// SMTP command order validator.
	/// </summary>
	internal class SMTP_Cmd_Validator
	{
		private bool m_Helo_ok       = false;
		private bool m_Authenticated = false;
		private bool m_MailFrom_ok   = false;
		private bool m_RcptTo_ok     = false;
		private bool m_BdatLast_ok   = false;

		/// <summary>
		/// Default constructor.
		/// </summary>
		public SMTP_Cmd_Validator()
		{			
		}


		#region function Reset

		/// <summary>
		/// Resets state.
		/// </summary>
		public void Reset()
		{
			m_Helo_ok       = false;
			m_Authenticated = false;
			m_MailFrom_ok   = false;
			m_RcptTo_ok     = false;
			m_BdatLast_ok   = false;
		}

		#endregion


		#region Properties Implementation

		/// <summary>
		/// Gets if may handle MAIL command.
		/// </summary>
		public bool MayHandle_MAIL
		{
			get{ return m_Helo_ok && !MailFrom_ok; }
		}

		/// <summary>
		/// Gets if may handle RCPT command.
		/// </summary>
		public bool MayHandle_RCPT
		{
			get{ return MailFrom_ok; }
		}

		/// <summary>
		/// Gets if may handle DATA command.
		/// </summary>
		public bool MayHandle_DATA
		{
			get{ return RcptTo_ok; }
		}

		/// <summary>
		/// Gets if may handle BDAT command.
		/// </summary>
		public bool MayHandle_BDAT
		{
			get{ return RcptTo_ok && !m_BdatLast_ok; }
		}

		/// <summary>
		/// Gets if may handle AUTH command.
		/// </summary>
		public bool MayHandle_AUTH
		{
			get{ return !m_Authenticated; }
		}

		/// <summary>
		/// Gest or sets if HELO command handled.
		/// </summary>
		public bool Helo_ok
		{
			get{ return m_Helo_ok; }

			set{ m_Helo_ok = value; }
		}

		/// <summary>
		/// Gest or sets if AUTH command handled.
		/// </summary>
		public bool Authenticated
		{
			get{ return m_Authenticated; }

			set{ m_Authenticated = value; }
		}

		/// <summary>
		/// Gest or sets if MAIL command handled.
		/// </summary>
		public bool MailFrom_ok
		{
			get{ return m_MailFrom_ok; }

			set{ m_MailFrom_ok = value; }
		}

		/// <summary>
		/// Gest or sets if RCPT command handled.
		/// </summary>
		public bool RcptTo_ok
		{
			get{ return m_RcptTo_ok; }

			set{ m_RcptTo_ok = value; }
		}

		/// <summary>
		/// Gest or sets if BinaryMime.
		/// </summary>
		public bool BDAT_Last_ok
		{
			get{ return m_BdatLast_ok; }

			set{ m_BdatLast_ok = value; }
		}

		#endregion

	}
}

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

Ivar Lumi

Estonia Estonia
No Biography provided

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