OpenSimMirror/LoginServer.cs

322 lines
9.6 KiB
C#

/*
* Copyright (c) OpenSim project, http://sim.opensecondlife.org/
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the <organization> nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY <copyright holder> ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL <copyright holder> BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
using Nwc.XmlRpc;
using System;
using System.IO;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading;
using System.Collections;
using System.Xml;
using libsecondlife;
namespace OpenSim
{
/// <summary>
/// When running in local (default) mode , handles client logins.
/// </summary>
public class LoginServer
{
public LoginServer(UserServer userServer)
{
_userServer = userServer;
}
private Logon _login;
private UserServer _userServer;
private ushort _loginPort = Globals.Instance.LoginServerPort;
public IPAddress clientAddress = IPAddress.Loopback;
public IPAddress remoteAddress = IPAddress.Any;
private Socket loginServer;
private Random RandomClass = new Random();
private int NumClients;
private string _defaultResponse;
private string _mpasswd;
private bool _needPasswd=false;
// InitializeLoginProxy: initialize the login proxy
private void InitializeLoginProxy() {
loginServer = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
loginServer.Bind(new IPEndPoint(remoteAddress, _loginPort));
loginServer.Listen(1);
this._needPasswd=Globals.Instance.NeedPasswd;
//read in default response string
StreamReader SR;
string lines;
SR=File.OpenText("new-login.dat");
//lines=SR.ReadLine();
while(!SR.EndOfStream)
{
lines = SR.ReadLine();
_defaultResponse += lines;
//lines = SR.ReadLine();
}
SR.Close();
this._mpasswd = Utility.EncodePassword(Globals.Instance.Password);
}
public void Startup()
{
this.InitializeLoginProxy();
Thread runLoginProxy = new Thread(new ThreadStart(RunLoginProxy));
runLoginProxy.IsBackground = true;
runLoginProxy.Start();
}
private void RunLoginProxy()
{
Console.WriteLine("Starting Login Server");
try
{
for (;;)
{
Socket client = loginServer.Accept();
IPEndPoint clientEndPoint = (IPEndPoint)client.RemoteEndPoint;
NetworkStream networkStream = new NetworkStream(client);
StreamReader networkReader = new StreamReader(networkStream);
StreamWriter networkWriter = new StreamWriter(networkStream);
try
{
ProxyLogin(networkReader, networkWriter);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
networkWriter.Close();
networkReader.Close();
networkStream.Close();
client.Close();
// send any packets queued for injection
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
Console.WriteLine(e.StackTrace);
}
}
// ProxyLogin: proxy a login request
private void ProxyLogin(StreamReader reader, StreamWriter writer)
{
lock(this)
{
string line;
int contentLength = 0;
// read HTTP header
do
{
// read one line of the header
line = reader.ReadLine();
// check for premature EOF
if (line == null)
throw new Exception("EOF in client HTTP header");
// look for Content-Length
Match match = (new Regex(@"Content-Length: (\d+)$")).Match(line);
if (match.Success)
contentLength = Convert.ToInt32(match.Groups[1].Captures[0].ToString());
} while (line != "");
// read the HTTP body into a buffer
char[] content = new char[contentLength];
reader.Read(content, 0, contentLength);
XmlRpcRequest request = (XmlRpcRequest)(new XmlRpcRequestDeserializer()).Deserialize(new String(content));
if(request.MethodName == "login_to_simulator")
{
Hashtable requestData = (Hashtable)request.Params[0];
string first;
string last;
string passwd;
LLUUID Agent;
LLUUID Session;
//get login name
if(requestData.Contains("first"))
{
first = (string)requestData["first"];
}
else
{
first = "test";
}
if(requestData.Contains("last"))
{
last = (string)requestData["last"];
}
else
{
last = "User"+NumClients.ToString();
}
if(requestData.Contains("passwd"))
{
passwd = (string)requestData["passwd"];
}
else
{
passwd = "notfound";
}
if( !Authenticate(first, last, passwd))
{
// Fail miserably
writer.WriteLine("HTTP/1.0 403 Authentication Forbidden");
writer.WriteLine();
return;
}
NumClients++;
//create a agent and session LLUUID
Agent = GetAgentId( first, last );
int SessionRand = this.RandomClass.Next(1,999);
Session = new LLUUID("aaaabbbb-0200-"+SessionRand.ToString("0000")+"-8664-58f53e442797");
XmlRpcResponse response =(XmlRpcResponse)(new XmlRpcResponseDeserializer()).Deserialize(this._defaultResponse);
Hashtable responseData = (Hashtable)response.Value;
responseData["sim_port"] = Globals.Instance.SimPort;
responseData["sim_ip"] = Globals.Instance.SimIPAddress;
responseData["agent_id"] = Agent.ToStringHyphenated();
responseData["session_id"] = Session.ToStringHyphenated();
ArrayList InventoryList = (ArrayList) responseData["inventory-skeleton"];
Hashtable Inventory1 = (Hashtable)InventoryList[0];
Hashtable Inventory2 = (Hashtable)InventoryList[1];
LLUUID BaseFolderID = LLUUID.Random();
LLUUID InventoryFolderID = LLUUID.Random();
Inventory2["name"] = "Base";
Inventory2["folder_id"] = BaseFolderID.ToStringHyphenated();
Inventory2["type_default"] =6;
Inventory1["folder_id"] = InventoryFolderID.ToStringHyphenated();
ArrayList InventoryRoot = (ArrayList) responseData["inventory-root"];
Hashtable Inventoryroot = (Hashtable)InventoryRoot[0];
Inventoryroot["folder_id"] = InventoryFolderID.ToStringHyphenated();
CustomiseLoginResponse( responseData, first, last );
this._login = new Logon();
//copy data to login object
_login.First = first;
_login.Last = last;
_login.Agent = Agent;
_login.Session = Session;
_login.BaseFolder = BaseFolderID;
_login.InventoryFolder = InventoryFolderID;
//working on local computer so lets add to the userserver's list of sessions
lock(this._userServer.Sessions)
{
this._userServer.Sessions.Add(_login);
}
// forward the XML-RPC response to the client
writer.WriteLine("HTTP/1.0 200 OK");
writer.WriteLine("Content-type: text/xml");
writer.WriteLine();
XmlTextWriter responseWriter = new XmlTextWriter(writer);
XmlRpcResponseSerializer.Singleton.Serialize(responseWriter, response);
responseWriter.Close();
}
else
{
writer.WriteLine("HTTP/1.0 403 Authentication Forbidden");
writer.WriteLine();
}
}
}
protected virtual void CustomiseLoginResponse( Hashtable responseData, string first, string last )
{
}
protected virtual LLUUID GetAgentId(string firstName, string lastName)
{
LLUUID Agent;
int AgentRand = this.RandomClass.Next(1,9999);
Agent = new LLUUID("99998888-0100-"+AgentRand.ToString("0000")+"-8ec1-0b1d5cd6aead");
return Agent;
}
protected virtual bool Authenticate(string first, string last, string passwd)
{
if(this._needPasswd)
{
//every user needs the password to login
string encodedPass = passwd.Remove(0,3); //remove $1$
if(encodedPass == this._mpasswd)
{
return true;
}
else
{
return false;
}
}
else
{
//do not need password to login
return true;
}
}
}
public class Logon
{
public string First = "Test";
public string Last = "User";
public LLUUID Agent;
public LLUUID Session;
public LLUUID InventoryFolder;
public LLUUID BaseFolder;
public Logon()
{
}
}
}