From df6ec3ba6c47bb55b9c3ba011c3e2e58177f9109 Mon Sep 17 00:00:00 2001
From: MW
Date: Sat, 19 May 2007 14:34:44 +0000
Subject: Added the echo method for template checksum handling (idea from
 Hegemons_Login_Analysis page) to the CheckSumServer, but currently it is
 comment out as enabling it would mean that any version of client could
 connect which is very likely to lead to problem with pre 1.15 version
 clients.

---
 OpenSim.Servers/CheckSumServer.cs | 29 +++++++++++++++++++++++++----
 OpenSim.Servers/UDPServerBase.cs  |  3 +--
 2 files changed, 26 insertions(+), 6 deletions(-)

(limited to 'OpenSim.Servers')

diff --git a/OpenSim.Servers/CheckSumServer.cs b/OpenSim.Servers/CheckSumServer.cs
index dc83192..2f79b7a 100644
--- a/OpenSim.Servers/CheckSumServer.cs
+++ b/OpenSim.Servers/CheckSumServer.cs
@@ -38,21 +38,42 @@ namespace OpenSim.Servers
             // do we already have a circuit for this endpoint
             if (packet.Type == PacketType.SecuredTemplateChecksumRequest)
             {
+               
                 SecuredTemplateChecksumRequestPacket checksum = (SecuredTemplateChecksumRequestPacket)packet;
-                TemplateChecksumReplyPacket checkreply = new TemplateChecksumReplyPacket();
+               TemplateChecksumReplyPacket checkreply = new TemplateChecksumReplyPacket();
                 checkreply.DataBlock.Checksum = 180572585;
                 checkreply.DataBlock.Flags = 0;
                 checkreply.DataBlock.MajorVersion = 1;
                 checkreply.DataBlock.MinorVersion = 15;
                 checkreply.DataBlock.PatchVersion = 0;
-                checkreply.DataBlock.ServerVersion = 2;
+                checkreply.DataBlock.ServerVersion = 0;
                 checkreply.TokenBlock.Token = checksum.TokenBlock.Token;
                 this.SendPacket(checkreply, epSender);
 
+                /*
+                //if we wanted to echo the the checksum/ version from the client (so that any client worked)
+                SecuredTemplateChecksumRequestPacket checkrequest = new SecuredTemplateChecksumRequestPacket();
+                checkrequest.TokenBlock.Token = checksum.TokenBlock.Token;
+                this.SendPacket(checkrequest, epSender);
+                 */
+                 
+            }
+            else if (packet.Type == PacketType.TemplateChecksumReply)
+            {
+                TemplateChecksumReplyPacket checksum = (TemplateChecksumReplyPacket)packet;
+                TemplateChecksumReplyPacket checkreply2 = new TemplateChecksumReplyPacket();
+                checkreply2.DataBlock.Checksum = checksum.DataBlock.Checksum;
+                checkreply2.DataBlock.Flags = checksum.DataBlock.Flags;
+                checkreply2.DataBlock.MajorVersion = checksum.DataBlock.MajorVersion;
+                checkreply2.DataBlock.MinorVersion = checksum.DataBlock.MinorVersion;
+                checkreply2.DataBlock.PatchVersion = checksum.DataBlock.PatchVersion;
+                checkreply2.DataBlock.ServerVersion = checksum.DataBlock.ServerVersion;
+                checkreply2.TokenBlock.Token = checksum.TokenBlock.Token;
+                this.SendPacket(checkreply2, epSender);
+                
             }
             else
-            { // invalid client
-                //  Console.Error.WriteLine("CheckSumServer.cs:OnReceivedData() - WARNING: Got a invalid packet from an invalid client - " + epSender.ToString());
+            { 
             }
 
             Server.BeginReceiveFrom(RecvBuffer, 0, RecvBuffer.Length, SocketFlags.None, ref epSender, ReceivedData, null);
diff --git a/OpenSim.Servers/UDPServerBase.cs b/OpenSim.Servers/UDPServerBase.cs
index bdbc772..e7feb01 100644
--- a/OpenSim.Servers/UDPServerBase.cs
+++ b/OpenSim.Servers/UDPServerBase.cs
@@ -15,7 +15,6 @@ namespace OpenSim.Servers
 {
     public class UDPServerBase
     {
-
         public Socket Server;
         protected IPEndPoint ServerIncoming;
         protected byte[] RecvBuffer = new byte[4096];
@@ -48,7 +47,7 @@ namespace OpenSim.Servers
         {
         }
 
-        public void ServerListener()
+        public virtual void ServerListener()
         {
 
             ServerIncoming = new IPEndPoint(IPAddress.Any, listenPort);
-- 
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