packetsmbmailslot.cs

一个抓包工具

using System;
using System.Windows.Forms;

namespace MyClasses
{

	public class PacketSMBMAILSLOT
	{
		public const int NORMAL = 0;
		public const int VALUE = 1;

		public struct PACKET_SMB_MAIL_SLOT
		{
			public ushort OpCode;
			public ushort Priority;
			public ushort Class;
			public string ClassStr;
			public ushort Size;
			public string MailSlotName;
		}



		public PacketSMBMAILSLOT()
		{

		}


		private string GetClassString( ushort cmd )
		{
			string Tmp = "";

			switch( cmd )
			{
				case	2	: Tmp = "Unreliable & Broadcast"; break;
			}

			return Tmp;
		}


		public TreeNode GetSMBMAILSLOTNode( PACKET_SMB_MAIL_SLOT PSmbMailSlot )
		{
			TreeNode mNode;
			string Tmp = "";

			mNode = new TreeNode();
			mNode.Text = "SMB Mail Slot Protocol";
			Tmp = "Operation Code  :" + Function.ReFormatString( PSmbMailSlot.OpCode , null );
			mNode.Nodes.Add( Tmp );
			Tmp = "Priority        :" + Function.ReFormatString( PSmbMailSlot.Priority , null );
			mNode.Nodes.Add( Tmp );
			Tmp = "Class           :" + Function.ReFormatString( PSmbMailSlot.Class , PSmbMailSlot.ClassStr );
			mNode.Nodes.Add( Tmp );
			Tmp = "Size            :" + Function.ReFormatString( PSmbMailSlot.Size , null );
			mNode.Nodes.Add( Tmp );
			Tmp = "Mail Slot Name  :" + PSmbMailSlot.MailSlotName;
			mNode.Nodes.Add( Tmp );

			return mNode;
		}

		public PACKET_SMB_MAIL_SLOT GetSMBMAILSLOTPart( byte [] PacketData , ref int Index )
		{
			ushort u = 0;
			string Tmp = "";
			PACKET_SMB_MAIL_SLOT PSmbMailSlot;

			u = Function.Get2Bytes( PacketData , ref Index , VALUE );
			PSmbMailSlot.OpCode = u;

			u = Function.Get2Bytes( PacketData , ref Index , VALUE );
			PSmbMailSlot.Priority = u;

			u = Function.Get2Bytes( PacketData , ref Index , VALUE );
			PSmbMailSlot.Class = u;
			PSmbMailSlot.ClassStr = GetClassString( u );

			u = Function.Get2Bytes( PacketData , ref Index , VALUE );
			PSmbMailSlot.Size = u;

			Tmp = "";
			while( PacketData[ Index ] != 0 )
				Tmp += (char) PacketData[ Index ++ ];

			PSmbMailSlot.MailSlotName = Tmp;

			return PSmbMailSlot;

		}

		public bool Parser( ref TreeNodeCollection mNode, 
			byte [] PacketData , 
			ref int Index , 
			ref ListViewItem LItem )
		{
			TreeNode mNodex;
			string Tmp = "";
			//int k = 0;

			mNodex = new TreeNode();
			mNodex.Text = "SMB Mail Slot ( Server Message Block Mail Slot Resolution Protocol )";
			//Function.SetPosition( ref mNodex , Index - 2 , 2 , false );
	
			/*if( ( Index + Const.LENGTH_OF_ARP ) >= PacketData.Length )
			{
				mNode.Add( mNodex );
				Tmp = "[ Malformed ARP packet. Remaining bytes don't fit an ARP packet. Possibly due to bad decoding ]";
				mNode.Add( Tmp );
				LItem.SubItems[ Const.LIST_VIEW_INFO_INDEX ].Text = Tmp;
				
				return false;
			}*/

			try
			{
				//Function.SetPosition( ref mNodex , Index - 2 , 2 , false );

				
				LItem.SubItems[ Const.LIST_VIEW_PROTOCOL_INDEX ].Text = "SMB";
				LItem.SubItems[ Const.LIST_VIEW_INFO_INDEX ].Text = "SMB Mail Slot protocol";

				mNode.Add( mNodex );
				
			}
			catch( Exception Ex )
			{
				mNode.Add( mNodex );
				Tmp = "[ Malformed SMB Mail Slot packet. Remaining bytes don't fit an SMB Mail Slot packet. Possibly due to bad decoding ]";
				mNode.Add( Tmp );
				Tmp = "[ Exception raised is <" + Ex.GetType().ToString() + "> at packet index <" + Index.ToString() + "> ]";
				mNode.Add( Tmp );
				LItem.SubItems[ Const.LIST_VIEW_INFO_INDEX ].Text = Tmp;

				return false;
			}

			return true;

		}

	}
}