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initial attempt at serverlist autoconfiguration, please let me know in irc if any issues are encountered.

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This commit is contained in:
mark 2007-08-27 22:29:58 +00:00
parent e22e859827
commit 2533ee486a
4 changed files with 96 additions and 32 deletions
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4
Scripts/Accounting/IPLimiter.cs
View file

@ -13,7 +13,7 @@ namespace Server.Misc
public static bool Enabled = true;
public static bool SocketBlock = true; // true to block at connection, false to block at login request
public const int MaxAddresses = 10;
public static int MaxAddresses = 10;
public static IPAddress[] Exemptions = new IPAddress[] //For hosting services where there are cases where IPs can be proxied
{
@ -42,7 +42,7 @@ namespace Server.Misc
for ( int i = 0; i < netStates.Count; ++i )
{
NetState compState = (NetState)netStates[i];
NetState compState = netStates[i];
if ( ourAddress.Equals( compState.Address ) )
{

120
Scripts/Misc/ServerList.cs
View file

@ -1,4 +1,5 @@
using System;
using System.IO;
using System.Net;
using System.Net.Sockets;
using Server;
@ -20,27 +21,47 @@ namespace Server.Misc
* private const string Address = "shard.host.com";
*/
public static readonly string Address = null;
public static readonly string Address = null;
public static readonly string ServerName = "RunUO TC";
public const string ServerName = "RunUO TC";
public static readonly bool AutoDetect = true;
public static void Initialize()
{
Listener.Port = 2593;
if ( Address == null ) {
if ( AutoDetect )
AutoDetection();
}
else {
Resolve( Address, out m_PublicAddress );
}
EventSink.ServerList += new ServerListEventHandler( EventSink_ServerList );
}
public static void EventSink_ServerList( ServerListEventArgs e )
private static IPAddress m_PublicAddress;
private static void EventSink_ServerList( ServerListEventArgs e )
{
try
{
IPAddress ipAddr;
NetState ns = e.State;
Socket s = ns.Socket;
if ( Resolve( Address != null && !IsLocalMachine( e.State ) ? Address : Dns.GetHostName(), out ipAddr ) )
e.AddServer( ServerName, new IPEndPoint( ipAddr, Listener.Port ) );
else
e.Rejected = true;
IPEndPoint ipep = (IPEndPoint)s.LocalEndPoint;
IPAddress localAddress = ipep.Address;
int localPort = ipep.Port;
if ( IsPrivateNetwork( localAddress ) ) {
ipep = (IPEndPoint)s.RemoteEndPoint;
if ( !IsPrivateNetwork( ipep.Address ) && m_PublicAddress != null )
localAddress = m_PublicAddress;
}
e.AddServer( ServerName, new IPEndPoint( localAddress, localPort ) );
}
catch
{
@ -48,45 +69,88 @@ namespace Server.Misc
}
}
public static bool Resolve( string addr, out IPAddress outValue )
private static void AutoDetection()
{
if ( !HasPublicIPAddress() ) {
Console.Write( "ServerList: Auto-detecting public IP address..." );
m_PublicAddress = FindPublicAddress();
if ( m_PublicAddress != null )
Console.WriteLine( "done ({0})", m_PublicAddress.ToString() );
else
Console.WriteLine( "failed" );
}
}
private static bool Resolve( string addr, out IPAddress outValue )
{
if ( IPAddress.TryParse( addr, out outValue ) )
return true;
try
{
try {
IPHostEntry iphe = Dns.GetHostEntry( addr );
if ( iphe.AddressList.Length > 0 )
{
if ( iphe.AddressList.Length > 0 ) {
outValue = iphe.AddressList[iphe.AddressList.Length - 1];
return true;
}
}
catch
{
}
catch {}
outValue = IPAddress.None;
return false;
}
private static bool IsLocalMachine( NetState state )
private static bool HasPublicIPAddress()
{
IPAddress theirAddress = state.Address;
if ( IPAddress.IsLoopback( theirAddress ) )
return true;
bool contains = false;
IPHostEntry iphe = Dns.GetHostEntry( Dns.GetHostName() );
for ( int i = 0; !contains && i < iphe.AddressList.Length; ++i )
contains = theirAddress.Equals( iphe.AddressList[i] );
IPAddress[] ips = iphe.AddressList;
return contains;
for ( int i = 0; i < ips.Length; ++i )
if ( !IsPrivateNetwork( ips[i] ) )
return true;
return false;
}
private static bool IsPrivateNetwork( IPAddress ip )
{
// 10.0.0.0/8
// 172.16.0.0/12
// 192.168.0.0/16
if ( Utility.IPMatch( "192.168.*", ip ) )
return true;
else if ( Utility.IPMatch( "10.*", ip ) )
return true;
else if ( Utility.IPMatch( "172.16-31.*", ip ) )
return true;
else
return false;
}
private static IPAddress FindPublicAddress()
{
try {
WebRequest req = HttpWebRequest.Create( "http://www.runuo.com/ip.php" );
req.Timeout = 15000;
WebResponse res = req.GetResponse();
Stream s = res.GetResponseStream();
StreamReader sr = new StreamReader( s );
IPAddress ip = IPAddress.Parse( sr.ReadLine() );
sr.Close();
s.Close();
res.Close();
return ip;
} catch {
return null;
}
}
}
}