/* * Copyright (c) Contributors, http://opensimulator.org/ * See CONTRIBUTORS.TXT for a full list of copyright holders. * * 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 OpenSimulator Project 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 THE DEVELOPERS ``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 THE CONTRIBUTORS 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 System; using System.Collections.Generic; using System.Net; using System.Reflection; using OpenSim.Data; using OpenSim.Framework; using OpenSim.Services.Connectors.Friends; using OpenSim.Services.Connectors.Hypergrid; using OpenSim.Services.Interfaces; using GridRegion = OpenSim.Services.Interfaces.GridRegion; using OpenSim.Server.Base; using FriendInfo = OpenSim.Services.Interfaces.FriendInfo; using OpenMetaverse; using log4net; using Nini.Config; namespace OpenSim.Services.HypergridService { /// <summary> /// This service is for HG1.5 only, to make up for the fact that clients don't /// keep any private information in themselves, and that their 'home service' /// needs to do it for them. /// Once we have better clients, this shouldn't be needed. /// </summary> public class UserAgentService : UserAgentServiceBase, IUserAgentService { private static readonly ILog m_log = LogManager.GetLogger( MethodBase.GetCurrentMethod().DeclaringType); // This will need to go into a DB table //static Dictionary<UUID, TravelingAgentInfo> m_Database = new Dictionary<UUID, TravelingAgentInfo>(); static bool m_Initialized = false; protected static IGridUserService m_GridUserService; protected static IGridService m_GridService; protected static GatekeeperServiceConnector m_GatekeeperConnector; protected static IGatekeeperService m_GatekeeperService; protected static IFriendsService m_FriendsService; protected static IPresenceService m_PresenceService; protected static IUserAccountService m_UserAccountService; protected static IFriendsSimConnector m_FriendsLocalSimConnector; // standalone, points to HGFriendsModule protected static FriendsSimConnector m_FriendsSimConnector; // grid protected static string m_GridName; protected static int m_LevelOutsideContacts; protected static bool m_ShowDetails; protected static bool m_BypassClientVerification; private static Dictionary<int, bool> m_ForeignTripsAllowed = new Dictionary<int, bool>(); private static Dictionary<int, List<string>> m_TripsAllowedExceptions = new Dictionary<int, List<string>>(); private static Dictionary<int, List<string>> m_TripsDisallowedExceptions = new Dictionary<int, List<string>>(); public UserAgentService(IConfigSource config) : this(config, null) { } public UserAgentService(IConfigSource config, IFriendsSimConnector friendsConnector) : base(config) { // Let's set this always, because we don't know the sequence // of instantiations if (friendsConnector != null) m_FriendsLocalSimConnector = friendsConnector; if (!m_Initialized) { m_Initialized = true; m_log.DebugFormat("[HOME USERS SECURITY]: Starting..."); m_FriendsSimConnector = new FriendsSimConnector(); IConfig serverConfig = config.Configs["UserAgentService"]; if (serverConfig == null) throw new Exception(String.Format("No section UserAgentService in config file")); string gridService = serverConfig.GetString("GridService", String.Empty); string gridUserService = serverConfig.GetString("GridUserService", String.Empty); string gatekeeperService = serverConfig.GetString("GatekeeperService", String.Empty); string friendsService = serverConfig.GetString("FriendsService", String.Empty); string presenceService = serverConfig.GetString("PresenceService", String.Empty); string userAccountService = serverConfig.GetString("UserAccountService", String.Empty); m_BypassClientVerification = serverConfig.GetBoolean("BypassClientVerification", false); if (gridService == string.Empty || gridUserService == string.Empty || gatekeeperService == string.Empty) throw new Exception(String.Format("Incomplete specifications, UserAgent Service cannot function.")); Object[] args = new Object[] { config }; m_GridService = ServerUtils.LoadPlugin<IGridService>(gridService, args); m_GridUserService = ServerUtils.LoadPlugin<IGridUserService>(gridUserService, args); m_GatekeeperConnector = new GatekeeperServiceConnector(); m_GatekeeperService = ServerUtils.LoadPlugin<IGatekeeperService>(gatekeeperService, args); m_FriendsService = ServerUtils.LoadPlugin<IFriendsService>(friendsService, args); m_PresenceService = ServerUtils.LoadPlugin<IPresenceService>(presenceService, args); m_UserAccountService = ServerUtils.LoadPlugin<IUserAccountService>(userAccountService, args); m_LevelOutsideContacts = serverConfig.GetInt("LevelOutsideContacts", 0); m_ShowDetails = serverConfig.GetBoolean("ShowUserDetailsInHGProfile", true); LoadTripPermissionsFromConfig(serverConfig, "ForeignTripsAllowed"); LoadDomainExceptionsFromConfig(serverConfig, "AllowExcept", m_TripsAllowedExceptions); LoadDomainExceptionsFromConfig(serverConfig, "DisallowExcept", m_TripsDisallowedExceptions); m_GridName = Util.GetConfigVarFromSections<string>(config, "GatekeeperURI", new string[] { "Startup", "Hypergrid", "UserAgentService" }, String.Empty); if (string.IsNullOrEmpty(m_GridName)) // Legacy. Remove soon. { m_GridName = serverConfig.GetString("ExternalName", string.Empty); if (m_GridName == string.Empty) { serverConfig = config.Configs["GatekeeperService"]; m_GridName = serverConfig.GetString("ExternalName", string.Empty); } } if (!m_GridName.EndsWith("/")) m_GridName = m_GridName + "/"; // Finally some cleanup m_Database.DeleteOld(); } } protected void LoadTripPermissionsFromConfig(IConfig config, string variable) { foreach (string keyName in config.GetKeys()) { if (keyName.StartsWith(variable + "_Level_")) { int level = 0; if (Int32.TryParse(keyName.Replace(variable + "_Level_", ""), out level)) m_ForeignTripsAllowed.Add(level, config.GetBoolean(keyName, true)); } } } protected void LoadDomainExceptionsFromConfig(IConfig config, string variable, Dictionary<int, List<string>> exceptions) { foreach (string keyName in config.GetKeys()) { if (keyName.StartsWith(variable + "_Level_")) { int level = 0; if (Int32.TryParse(keyName.Replace(variable + "_Level_", ""), out level) && !exceptions.ContainsKey(level)) { exceptions.Add(level, new List<string>()); string value = config.GetString(keyName, string.Empty); string[] parts = value.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries); foreach (string s in parts) exceptions[level].Add(s.Trim()); } } } } public GridRegion GetHomeRegion(UUID userID, out Vector3 position, out Vector3 lookAt) { position = new Vector3(128, 128, 0); lookAt = Vector3.UnitY; m_log.DebugFormat("[USER AGENT SERVICE]: Request to get home region of user {0}", userID); GridRegion home = null; GridUserInfo uinfo = m_GridUserService.GetGridUserInfo(userID.ToString()); if (uinfo != null) { if (uinfo.HomeRegionID != UUID.Zero) { home = m_GridService.GetRegionByUUID(UUID.Zero, uinfo.HomeRegionID); position = uinfo.HomePosition; lookAt = uinfo.HomeLookAt; } if (home == null) { List<GridRegion> defs = m_GridService.GetDefaultRegions(UUID.Zero); if (defs != null && defs.Count > 0) home = defs[0]; } } return home; } public bool LoginAgentToGrid(GridRegion source, AgentCircuitData agentCircuit, GridRegion gatekeeper, GridRegion finalDestination, bool fromLogin, out string reason) { m_log.DebugFormat("[USER AGENT SERVICE]: Request to login user {0} {1} (@{2}) to grid {3}", agentCircuit.firstname, agentCircuit.lastname, (fromLogin ? agentCircuit.IPAddress : "stored IP"), gatekeeper.ServerURI); string gridName = gatekeeper.ServerURI; UserAccount account = m_UserAccountService.GetUserAccount(UUID.Zero, agentCircuit.AgentID); if (account == null) { m_log.WarnFormat("[USER AGENT SERVICE]: Someone attempted to lauch a foreign user from here {0} {1}", agentCircuit.firstname, agentCircuit.lastname); reason = "Forbidden to launch your agents from here"; return false; } // Is this user allowed to go there? if (m_GridName != gridName) { if (m_ForeignTripsAllowed.ContainsKey(account.UserLevel)) { bool allowed = m_ForeignTripsAllowed[account.UserLevel]; if (m_ForeignTripsAllowed[account.UserLevel] && IsException(gridName, account.UserLevel, m_TripsAllowedExceptions)) allowed = false; if (!m_ForeignTripsAllowed[account.UserLevel] && IsException(gridName, account.UserLevel, m_TripsDisallowedExceptions)) allowed = true; if (!allowed) { reason = "Your world does not allow you to visit the destination"; m_log.InfoFormat("[USER AGENT SERVICE]: Agents not permitted to visit {0}. Refusing service.", gridName); return false; } } } // Take the IP address + port of the gatekeeper (reg) plus the info of finalDestination GridRegion region = new GridRegion(gatekeeper); region.ServerURI = gatekeeper.ServerURI; region.ExternalHostName = finalDestination.ExternalHostName; region.InternalEndPoint = finalDestination.InternalEndPoint; region.RegionName = finalDestination.RegionName; region.RegionID = finalDestination.RegionID; region.RegionLocX = finalDestination.RegionLocX; region.RegionLocY = finalDestination.RegionLocY; // Generate a new service session agentCircuit.ServiceSessionID = region.ServerURI + ";" + UUID.Random(); TravelingAgentInfo old = null; TravelingAgentInfo travel = CreateTravelInfo(agentCircuit, region, fromLogin, out old); bool success = false; string myExternalIP = string.Empty; m_log.DebugFormat("[USER AGENT SERVICE]: this grid: {0}, desired grid: {1}, desired region: {2}", m_GridName, gridName, region.RegionID); if (m_GridName == gridName) { success = m_GatekeeperService.LoginAgent(source, agentCircuit, finalDestination, out reason); } else { success = m_GatekeeperConnector.CreateAgent(source, region, agentCircuit, (uint)Constants.TeleportFlags.ViaLogin, out myExternalIP, out reason); } if (!success) { m_log.DebugFormat("[USER AGENT SERVICE]: Unable to login user {0} {1} to grid {2}, reason: {3}", agentCircuit.firstname, agentCircuit.lastname, region.ServerURI, reason); if (old != null) StoreTravelInfo(old); else m_Database.Delete(agentCircuit.SessionID); return false; } // Everything is ok // Update the perceived IP Address of our grid m_log.DebugFormat("[USER AGENT SERVICE]: Gatekeeper sees me as {0}", myExternalIP); travel.MyIpAddress = myExternalIP; StoreTravelInfo(travel); return true; } public bool LoginAgentToGrid(GridRegion source, AgentCircuitData agentCircuit, GridRegion gatekeeper, GridRegion finalDestination, out string reason) { reason = string.Empty; return LoginAgentToGrid(source, agentCircuit, gatekeeper, finalDestination, false, out reason); } TravelingAgentInfo CreateTravelInfo(AgentCircuitData agentCircuit, GridRegion region, bool fromLogin, out TravelingAgentInfo existing) { HGTravelingData hgt = m_Database.Get(agentCircuit.SessionID); existing = null; if (hgt != null) { // Very important! Override whatever this agent comes with. // UserAgentService always sets the IP for every new agent // with the original IP address. existing = new TravelingAgentInfo(hgt); agentCircuit.IPAddress = existing.ClientIPAddress; } TravelingAgentInfo travel = new TravelingAgentInfo(existing); travel.SessionID = agentCircuit.SessionID; travel.UserID = agentCircuit.AgentID; travel.GridExternalName = region.ServerURI; travel.ServiceToken = agentCircuit.ServiceSessionID; if (fromLogin) travel.ClientIPAddress = agentCircuit.IPAddress; StoreTravelInfo(travel); return travel; } public void LogoutAgent(UUID userID, UUID sessionID) { m_log.DebugFormat("[USER AGENT SERVICE]: User {0} logged out", userID); m_Database.Delete(sessionID); GridUserInfo guinfo = m_GridUserService.GetGridUserInfo(userID.ToString()); if (guinfo != null) m_GridUserService.LoggedOut(userID.ToString(), sessionID, guinfo.LastRegionID, guinfo.LastPosition, guinfo.LastLookAt); } // We need to prevent foreign users with the same UUID as a local user public bool IsAgentComingHome(UUID sessionID, string thisGridExternalName) { HGTravelingData hgt = m_Database.Get(sessionID); if (hgt == null) return false; TravelingAgentInfo travel = new TravelingAgentInfo(hgt); return travel.GridExternalName.ToLower() == thisGridExternalName.ToLower(); } public bool VerifyClient(UUID sessionID, string reportedIP) { if (m_BypassClientVerification) return true; m_log.DebugFormat("[USER AGENT SERVICE]: Verifying Client session {0} with reported IP {1}.", sessionID, reportedIP); HGTravelingData hgt = m_Database.Get(sessionID); if (hgt == null) return false; TravelingAgentInfo travel = new TravelingAgentInfo(hgt); bool result = travel.ClientIPAddress == reportedIP || travel.MyIpAddress == reportedIP; // NATed m_log.DebugFormat("[USER AGENT SERVICE]: Comparing {0} with login IP {1} and MyIP {1}; result is {3}", reportedIP, travel.ClientIPAddress, travel.MyIpAddress, result); return result; } public bool VerifyAgent(UUID sessionID, string token) { HGTravelingData hgt = m_Database.Get(sessionID); if (hgt == null) { m_log.DebugFormat("[USER AGENT SERVICE]: Token verification for session {0}: no such session", sessionID); return false; } TravelingAgentInfo travel = new TravelingAgentInfo(hgt); m_log.DebugFormat("[USER AGENT SERVICE]: Verifying agent token {0} against {1}", token, travel.ServiceToken); return travel.ServiceToken == token; } [Obsolete] public List<UUID> StatusNotification(List<string> friends, UUID foreignUserID, bool online) { if (m_FriendsService == null || m_PresenceService == null) { m_log.WarnFormat("[USER AGENT SERVICE]: Unable to perform status notifications because friends or presence services are missing"); return new List<UUID>(); } List<UUID> localFriendsOnline = new List<UUID>(); m_log.DebugFormat("[USER AGENT SERVICE]: Status notification: foreign user {0} wants to notify {1} local friends", foreignUserID, friends.Count); // First, let's double check that the reported friends are, indeed, friends of that user // And let's check that the secret matches List<string> usersToBeNotified = new List<string>(); foreach (string uui in friends) { UUID localUserID; string secret = string.Empty, tmp = string.Empty; if (Util.ParseUniversalUserIdentifier(uui, out localUserID, out tmp, out tmp, out tmp, out secret)) { FriendInfo[] friendInfos = m_FriendsService.GetFriends(localUserID); foreach (FriendInfo finfo in friendInfos) { if (finfo.Friend.StartsWith(foreignUserID.ToString()) && finfo.Friend.EndsWith(secret)) { // great! usersToBeNotified.Add(localUserID.ToString()); } } } } // Now, let's send the notifications m_log.DebugFormat("[USER AGENT SERVICE]: Status notification: user has {0} local friends", usersToBeNotified.Count); // First, let's send notifications to local users who are online in the home grid PresenceInfo[] friendSessions = m_PresenceService.GetAgents(usersToBeNotified.ToArray()); if (friendSessions != null && friendSessions.Length > 0) { PresenceInfo friendSession = null; foreach (PresenceInfo pinfo in friendSessions) if (pinfo.RegionID != UUID.Zero) // let's guard against traveling agents { friendSession = pinfo; break; } if (friendSession != null) { ForwardStatusNotificationToSim(friendSession.RegionID, foreignUserID, friendSession.UserID, online); usersToBeNotified.Remove(friendSession.UserID.ToString()); UUID id; if (UUID.TryParse(friendSession.UserID, out id)) localFriendsOnline.Add(id); } } //// Lastly, let's notify the rest who may be online somewhere else //foreach (string user in usersToBeNotified) //{ // UUID id = new UUID(user); // if (m_Database.ContainsKey(id) && m_Database[id].GridExternalName != m_GridName) // { // string url = m_Database[id].GridExternalName; // // forward // m_log.WarnFormat("[USER AGENT SERVICE]: User {0} is visiting {1}. HG Status notifications still not implemented.", user, url); // } //} // and finally, let's send the online friends if (online) { return localFriendsOnline; } else return new List<UUID>(); } [Obsolete] protected void ForwardStatusNotificationToSim(UUID regionID, UUID foreignUserID, string user, bool online) { UUID userID; if (UUID.TryParse(user, out userID)) { if (m_FriendsLocalSimConnector != null) { m_log.DebugFormat("[USER AGENT SERVICE]: Local Notify, user {0} is {1}", foreignUserID, (online ? "online" : "offline")); m_FriendsLocalSimConnector.StatusNotify(foreignUserID, userID, online); } else { GridRegion region = m_GridService.GetRegionByUUID(UUID.Zero /* !!! */, regionID); if (region != null) { m_log.DebugFormat("[USER AGENT SERVICE]: Remote Notify to region {0}, user {1} is {2}", region.RegionName, foreignUserID, (online ? "online" : "offline")); m_FriendsSimConnector.StatusNotify(region, foreignUserID, userID.ToString(), online); } } } } public List<UUID> GetOnlineFriends(UUID foreignUserID, List<string> friends) { List<UUID> online = new List<UUID>(); if (m_FriendsService == null || m_PresenceService == null) { m_log.WarnFormat("[USER AGENT SERVICE]: Unable to get online friends because friends or presence services are missing"); return online; } m_log.DebugFormat("[USER AGENT SERVICE]: Foreign user {0} wants to know status of {1} local friends", foreignUserID, friends.Count); // First, let's double check that the reported friends are, indeed, friends of that user // And let's check that the secret matches and the rights List<string> usersToBeNotified = new List<string>(); foreach (string uui in friends) { UUID localUserID; string secret = string.Empty, tmp = string.Empty; if (Util.ParseUniversalUserIdentifier(uui, out localUserID, out tmp, out tmp, out tmp, out secret)) { FriendInfo[] friendInfos = m_FriendsService.GetFriends(localUserID); foreach (FriendInfo finfo in friendInfos) { if (finfo.Friend.StartsWith(foreignUserID.ToString()) && finfo.Friend.EndsWith(secret) && (finfo.TheirFlags & (int)FriendRights.CanSeeOnline) != 0 && (finfo.TheirFlags != -1)) { // great! usersToBeNotified.Add(localUserID.ToString()); } } } } // Now, let's find out their status m_log.DebugFormat("[USER AGENT SERVICE]: GetOnlineFriends: user has {0} local friends with status rights", usersToBeNotified.Count); // First, let's send notifications to local users who are online in the home grid PresenceInfo[] friendSessions = m_PresenceService.GetAgents(usersToBeNotified.ToArray()); if (friendSessions != null && friendSessions.Length > 0) { foreach (PresenceInfo pi in friendSessions) { UUID presenceID; if (UUID.TryParse(pi.UserID, out presenceID)) online.Add(presenceID); } } return online; } public Dictionary<string, object> GetUserInfo(UUID userID) { Dictionary<string, object> info = new Dictionary<string, object>(); if (m_UserAccountService == null) { m_log.WarnFormat("[USER AGENT SERVICE]: Unable to get user flags because user account service is missing"); info["result"] = "fail"; info["message"] = "UserAccountService is missing!"; return info; } UserAccount account = m_UserAccountService.GetUserAccount(UUID.Zero /*!!!*/, userID); if (account != null) { info.Add("user_firstname", account.FirstName); info.Add("user_lastname", account.LastName); info.Add("result", "success"); if (m_ShowDetails) { info.Add("user_flags", account.UserFlags); info.Add("user_created", account.Created); info.Add("user_title", account.UserTitle); } else { info.Add("user_flags", 0); info.Add("user_created", 0); info.Add("user_title", string.Empty); } } return info; } public Dictionary<string, object> GetServerURLs(UUID userID) { if (m_UserAccountService == null) { m_log.WarnFormat("[USER AGENT SERVICE]: Unable to get server URLs because user account service is missing"); return new Dictionary<string, object>(); } UserAccount account = m_UserAccountService.GetUserAccount(UUID.Zero /*!!!*/, userID); if (account != null) return account.ServiceURLs; return new Dictionary<string, object>(); } public string LocateUser(UUID userID) { HGTravelingData[] hgts = m_Database.GetSessions(userID); if (hgts == null) return string.Empty; foreach (HGTravelingData t in hgts) if (t.Data.ContainsKey("GridExternalName") && !m_GridName.Equals(t.Data["GridExternalName"])) return t.Data["GridExternalName"]; return string.Empty; } public string GetUUI(UUID userID, UUID targetUserID) { // Let's see if it's a local user UserAccount account = m_UserAccountService.GetUserAccount(UUID.Zero, targetUserID); if (account != null) return targetUserID.ToString() + ";" + m_GridName + ";" + account.FirstName + " " + account.LastName ; // Let's try the list of friends FriendInfo[] friends = m_FriendsService.GetFriends(userID); if (friends != null && friends.Length > 0) { foreach (FriendInfo f in friends) if (f.Friend.StartsWith(targetUserID.ToString())) { // Let's remove the secret UUID id; string tmp = string.Empty, secret = string.Empty; if (Util.ParseUniversalUserIdentifier(f.Friend, out id, out tmp, out tmp, out tmp, out secret)) return f.Friend.Replace(secret, "0"); } } return string.Empty; } public UUID GetUUID(String first, String last) { // Let's see if it's a local user UserAccount account = m_UserAccountService.GetUserAccount(UUID.Zero, first, last); if (account != null) { // check user level if (account.UserLevel < m_LevelOutsideContacts) return UUID.Zero; else return account.PrincipalID; } else return UUID.Zero; } #region Misc private bool IsException(string dest, int level, Dictionary<int, List<string>> exceptions) { if (!exceptions.ContainsKey(level)) return false; bool exception = false; if (exceptions[level].Count > 0) // we have exceptions { string destination = dest; if (!destination.EndsWith("/")) destination += "/"; if (exceptions[level].Find(delegate(string s) { if (!s.EndsWith("/")) s += "/"; return s == destination; }) != null) exception = true; } return exception; } private void StoreTravelInfo(TravelingAgentInfo travel) { if (travel == null) return; HGTravelingData hgt = new HGTravelingData(); hgt.SessionID = travel.SessionID; hgt.UserID = travel.UserID; hgt.Data = new Dictionary<string, string>(); hgt.Data["GridExternalName"] = travel.GridExternalName; hgt.Data["ServiceToken"] = travel.ServiceToken; hgt.Data["ClientIPAddress"] = travel.ClientIPAddress; hgt.Data["MyIPAddress"] = travel.MyIpAddress; m_Database.Store(hgt); } #endregion } class TravelingAgentInfo { public UUID SessionID; public UUID UserID; public string GridExternalName = string.Empty; public string ServiceToken = string.Empty; public string ClientIPAddress = string.Empty; // as seen from this user agent service public string MyIpAddress = string.Empty; // the user agent service's external IP, as seen from the next gatekeeper public TravelingAgentInfo(HGTravelingData t) { if (t.Data != null) { SessionID = new UUID(t.SessionID); UserID = new UUID(t.UserID); GridExternalName = t.Data["GridExternalName"]; ServiceToken = t.Data["ServiceToken"]; ClientIPAddress = t.Data["ClientIPAddress"]; MyIpAddress = t.Data["MyIPAddress"]; } } public TravelingAgentInfo(TravelingAgentInfo old) { if (old != null) { SessionID = old.SessionID; UserID = old.UserID; GridExternalName = old.GridExternalName; ServiceToken = old.ServiceToken; ClientIPAddress = old.ClientIPAddress; MyIpAddress = old.MyIpAddress; } } } }