Scripts/Accounting/Firewall.cs

@@ -0,0 +1,131 @@
+using System;
+using System.Collections;
+using System.IO;
+using System.Net;
+
+namespace Server
+{
+	public class Firewall
+	{
+		private static ArrayList m_Blocked;
+
+		static Firewall()
+		{
+			m_Blocked = new ArrayList();
+
+			string path = "firewall.cfg";
+
+			if ( File.Exists( path ) )
+			{
+				using ( StreamReader ip = new StreamReader( path ) )
+				{
+					string line;
+
+					while ( (line = ip.ReadLine()) != null )
+					{
+						line = line.Trim();
+
+						if ( line.Length == 0 )
+							continue;
+
+						object toAdd;
+
+						IPAddress addr;
+						if( IPAddress.TryParse( line, out addr ) )
+							toAdd = addr;
+						else
+							toAdd = line;
+
+						m_Blocked.Add( toAdd.ToString() );
+					}
+				}
+			}
+		}
+
+		public static ArrayList List
+		{
+			get
+			{
+				return m_Blocked;
+			}
+		}
+
+		public static void RemoveAt( int index )
+		{
+			m_Blocked.RemoveAt( index );
+			Save();
+		}
+
+		public static void Remove( string pattern )
+		{
+			m_Blocked.Remove( pattern );
+			Save();
+		}
+
+		public static void Remove( IPAddress ip )
+		{
+			m_Blocked.Remove( ip );
+			Save();
+		}
+
+		public static void Add( object obj )
+		{
+			if ( !(obj is IPAddress) && !(obj is String) )
+				return;
+
+			if ( !m_Blocked.Contains( obj ) )
+				m_Blocked.Add( obj );
+
+			Save();
+		}
+
+		public static void Add( string pattern )
+		{
+			if ( !m_Blocked.Contains( pattern ) )
+				m_Blocked.Add( pattern );
+
+			Save();
+		}
+
+		public static void Add( IPAddress ip )
+		{
+			if ( !m_Blocked.Contains( ip ) )
+				m_Blocked.Add( ip );
+
+			Save();
+		}
+
+		public static void Save()
+		{
+			string path = "firewall.cfg";
+
+			using ( StreamWriter op = new StreamWriter( path ) )
+			{
+				for ( int i = 0; i < m_Blocked.Count; ++i )
+					op.WriteLine( m_Blocked[i] );
+			}
+		}
+
+		public static bool IsBlocked( IPAddress ip )
+		{
+			bool contains = false;
+
+			for ( int i = 0; !contains && i < m_Blocked.Count; ++i )
+			{
+				if ( m_Blocked[i] is IPAddress )
+					contains = ip.Equals( m_Blocked[i] );
+                else if ( m_Blocked[i] is String )
+                {
+                    string s = (string)m_Blocked[i];
+
+                    contains = Utility.IPMatchCIDR( s, ip );
+
+                    if( !contains )
+                        contains = Utility.IPMatch( s, ip );
+                }
+			}
+
+			return contains;
+		}
+	}
+}