From a39ea07158756a76757d4b616c60cbcedf06f268 Mon Sep 17 00:00:00 2001
From: Diva Canto
Date: Thu, 19 Aug 2010 19:54:40 -0700
Subject: Finished implementing ViaLogin vs ViaHGLogin. Removed lookup on
 myipaddress.com. Also removed client IP verification upon UDP connection that
 had been left there -- we can't do that in general.

---
 OpenSim/Framework/NetworkUtil.cs | 82 ----------------------------------------
 1 file changed, 82 deletions(-)

(limited to 'OpenSim/Framework/NetworkUtil.cs')

diff --git a/OpenSim/Framework/NetworkUtil.cs b/OpenSim/Framework/NetworkUtil.cs
index 831ff70..2e94b0d 100644
--- a/OpenSim/Framework/NetworkUtil.cs
+++ b/OpenSim/Framework/NetworkUtil.cs
@@ -181,18 +181,10 @@ namespace OpenSim.Framework
             throw new ArgumentException("[NetworkUtil] Unable to resolve defaultHostname to an IPv4 address for an IPv4 client");
         }
 
-        static IPAddress externalIPAddress;
-
         static NetworkUtil()
         {
             try
             {
-                externalIPAddress = GetExternalIP();
-            }
-            catch { /* ignore */ }
-
-            try
-            {
                 foreach (NetworkInterface ni in NetworkInterface.GetAllNetworkInterfaces())
                 {
                     foreach (UnicastIPAddressInformation address in ni.GetIPProperties().UnicastAddresses)
@@ -254,79 +246,5 @@ namespace OpenSim.Framework
             return defaultHostname;
         }
 
-        public static IPAddress GetExternalIPOf(IPAddress user)
-        {
-            if (externalIPAddress == null)
-                return user;
-
-            if (user.ToString() == "127.0.0.1")
-            {
-                m_log.Info("[NetworkUtil] 127.0.0.1 user detected, sending '" + externalIPAddress + "' instead of '" + user + "'");
-                return externalIPAddress;
-            }
-            // Check if we're accessing localhost.
-            foreach (IPAddress host in Dns.GetHostAddresses(Dns.GetHostName()))
-            {
-                if (host.Equals(user) && host.AddressFamily == AddressFamily.InterNetwork)
-                {
-                    m_log.Info("[NetworkUtil] Localhost user detected, sending '" + externalIPAddress + "' instead of '" + user + "'");
-                    return externalIPAddress;
-                }
-            }
-
-            // Check for same LAN segment
-            foreach (KeyValuePair<IPAddress, IPAddress> subnet in m_subnets)
-            {
-                byte[] subnetBytes = subnet.Value.GetAddressBytes();
-                byte[] localBytes = subnet.Key.GetAddressBytes();
-                byte[] destBytes = user.GetAddressBytes();
-
-                if (subnetBytes.Length != destBytes.Length || subnetBytes.Length != localBytes.Length)
-                    return user;
-
-                bool valid = true;
-
-                for (int i = 0; i < subnetBytes.Length; i++)
-                {
-                    if ((localBytes[i] & subnetBytes[i]) != (destBytes[i] & subnetBytes[i]))
-                    {
-                        valid = false;
-                        break;
-                    }
-                }
-
-                if (subnet.Key.AddressFamily != AddressFamily.InterNetwork)
-                    valid = false;
-
-                if (valid)
-                {
-                    m_log.Info("[NetworkUtil] Local LAN user detected, sending '" + externalIPAddress + "' instead of '" + user + "'");
-                    return externalIPAddress;
-                }
-            }
-
-            // Otherwise, return user address
-            return user;
-        }
-
-        private static IPAddress GetExternalIP()
-        {
-            string whatIsMyIp = "http://www.whatismyip.com/automation/n09230945.asp";
-            WebClient wc = new WebClient();
-            UTF8Encoding utf8 = new UTF8Encoding();
-            string requestHtml = "";
-            try
-            {
-                requestHtml = utf8.GetString(wc.DownloadData(whatIsMyIp));
-            }
-            catch (WebException we)
-            {
-                m_log.Info("[NetworkUtil]: Exception in GetExternalIP: " + we.ToString());
-                return null;
-            }
-            
-            IPAddress externalIp = IPAddress.Parse(requestHtml);
-            return externalIp;
-        }
     }
 }
-- 
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