/* * 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; using System.Collections.Generic; using System.Net; using System.Reflection; using System.Text.RegularExpressions; using log4net; using Nini.Config; using OpenMetaverse; using OpenSim.Framework; using OpenSim.Framework.Capabilities; using OpenSim.Framework.Console; using OpenSim.Server.Base; using OpenSim.Services.Interfaces; using GridRegion = OpenSim.Services.Interfaces.GridRegion; using FriendInfo = OpenSim.Services.Interfaces.FriendInfo; using OpenSim.Services.Connectors.Hypergrid; namespace OpenSim.Services.LLLoginService { public class LLLoginService : ILoginService { private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); private static bool Initialized = false; protected IUserAccountService m_UserAccountService; protected IGridUserService m_GridUserService; protected IAuthenticationService m_AuthenticationService; protected IInventoryService m_InventoryService; protected IGridService m_GridService; protected IPresenceService m_PresenceService; private ISimulationService m_LocalSimulationService; private ISimulationService m_RemoteSimulationService; protected ILibraryService m_LibraryService; protected IFriendsService m_FriendsService; protected IAvatarService m_AvatarService; private IUserAgentService m_UserAgentService; private GatekeeperServiceConnector m_GatekeeperConnector; private string m_DefaultRegionName; protected string m_WelcomeMessage; private bool m_RequireInventory; protected int m_MinLoginLevel; private string m_GatekeeperURL; private bool m_AllowRemoteSetLoginLevel; IConfig m_LoginServerConfig; public LLLoginService(IConfigSource config, ISimulationService simService, ILibraryService libraryService) { m_LoginServerConfig = config.Configs["LoginService"]; if (m_LoginServerConfig == null) throw new Exception(String.Format("No section LoginService in config file")); string accountService = m_LoginServerConfig.GetString("UserAccountService", String.Empty); string gridUserService = m_LoginServerConfig.GetString("GridUserService", String.Empty); string agentService = m_LoginServerConfig.GetString("UserAgentService", String.Empty); string authService = m_LoginServerConfig.GetString("AuthenticationService", String.Empty); string invService = m_LoginServerConfig.GetString("InventoryService", String.Empty); string gridService = m_LoginServerConfig.GetString("GridService", String.Empty); string presenceService = m_LoginServerConfig.GetString("PresenceService", String.Empty); string libService = m_LoginServerConfig.GetString("LibraryService", String.Empty); string friendsService = m_LoginServerConfig.GetString("FriendsService", String.Empty); string avatarService = m_LoginServerConfig.GetString("AvatarService", String.Empty); string simulationService = m_LoginServerConfig.GetString("SimulationService", String.Empty); m_DefaultRegionName = m_LoginServerConfig.GetString("DefaultRegion", String.Empty); m_WelcomeMessage = m_LoginServerConfig.GetString("WelcomeMessage", "Welcome to OpenSim!"); m_RequireInventory = m_LoginServerConfig.GetBoolean("RequireInventory", true); m_AllowRemoteSetLoginLevel = m_LoginServerConfig.GetBoolean("AllowRemoteSetLoginLevel", false); m_MinLoginLevel = m_LoginServerConfig.GetInt("MinLoginLevel", 0); m_GatekeeperURL = m_LoginServerConfig.GetString("GatekeeperURI", string.Empty); // These are required; the others aren't if (accountService == string.Empty || authService == string.Empty) throw new Exception("LoginService is missing service specifications"); Object[] args = new Object[] { config }; m_UserAccountService = ServerUtils.LoadPlugin(accountService, args); m_GridUserService = ServerUtils.LoadPlugin(gridUserService, args); m_AuthenticationService = ServerUtils.LoadPlugin(authService, args); m_InventoryService = ServerUtils.LoadPlugin(invService, args); if (gridService != string.Empty) m_GridService = ServerUtils.LoadPlugin(gridService, args); if (presenceService != string.Empty) m_PresenceService = ServerUtils.LoadPlugin(presenceService, args); if (avatarService != string.Empty) m_AvatarService = ServerUtils.LoadPlugin(avatarService, args); if (friendsService != string.Empty) m_FriendsService = ServerUtils.LoadPlugin(friendsService, args); if (simulationService != string.Empty) m_RemoteSimulationService = ServerUtils.LoadPlugin(simulationService, args); if (agentService != string.Empty) m_UserAgentService = ServerUtils.LoadPlugin(agentService, args); // // deal with the services given as argument // m_LocalSimulationService = simService; if (libraryService != null) { m_log.DebugFormat("[LLOGIN SERVICE]: Using LibraryService given as argument"); m_LibraryService = libraryService; } else if (libService != string.Empty) { m_log.DebugFormat("[LLOGIN SERVICE]: Using instantiated LibraryService"); m_LibraryService = ServerUtils.LoadPlugin(libService, args); } m_GatekeeperConnector = new GatekeeperServiceConnector(); if (!Initialized) { Initialized = true; RegisterCommands(); } m_log.DebugFormat("[LLOGIN SERVICE]: Starting..."); } public LLLoginService(IConfigSource config) : this(config, null, null) { } public Hashtable SetLevel(string firstName, string lastName, string passwd, int level, IPEndPoint clientIP) { Hashtable response = new Hashtable(); response["success"] = "false"; if (!m_AllowRemoteSetLoginLevel) return response; try { UserAccount account = m_UserAccountService.GetUserAccount(UUID.Zero, firstName, lastName); if (account == null) { m_log.InfoFormat("[LLOGIN SERVICE]: Set Level failed, user {0} {1} not found", firstName, lastName); return response; } if (account.UserLevel < 200) { m_log.InfoFormat("[LLOGIN SERVICE]: Set Level failed, reason: user level too low"); return response; } // // Authenticate this user // // We don't support clear passwords here // string token = m_AuthenticationService.Authenticate(account.PrincipalID, passwd, 30); UUID secureSession = UUID.Zero; if ((token == string.Empty) || (token != string.Empty && !UUID.TryParse(token, out secureSession))) { m_log.InfoFormat("[LLOGIN SERVICE]: SetLevel failed, reason: authentication failed"); return response; } } catch (Exception e) { m_log.Error("[LLOGIN SERVICE]: SetLevel failed, exception " + e.ToString()); return response; } m_MinLoginLevel = level; m_log.InfoFormat("[LLOGIN SERVICE]: Login level set to {0} by {1} {2}", level, firstName, lastName); response["success"] = true; return response; } public LoginResponse Login(string firstName, string lastName, string passwd, string startLocation, UUID scopeID, string clientVersion, IPEndPoint clientIP) { bool success = false; UUID session = UUID.Random(); try { // // Get the account and check that it exists // UserAccount account = m_UserAccountService.GetUserAccount(scopeID, firstName, lastName); if (account == null) { m_log.InfoFormat("[LLOGIN SERVICE]: Login failed, reason: user not found"); return LLFailedLoginResponse.UserProblem; } if (account.UserLevel < m_MinLoginLevel) { m_log.InfoFormat("[LLOGIN SERVICE]: Login failed, reason: login is blocked for user level {0}", account.UserLevel); return LLFailedLoginResponse.LoginBlockedProblem; } // If a scope id is requested, check that the account is in // that scope, or unscoped. // if (scopeID != UUID.Zero) { if (account.ScopeID != scopeID && account.ScopeID != UUID.Zero) { m_log.InfoFormat("[LLOGIN SERVICE]: Login failed, reason: user not found"); return LLFailedLoginResponse.UserProblem; } } else { scopeID = account.ScopeID; } // // Authenticate this user // if (!passwd.StartsWith("$1$")) passwd = "$1$" + Util.Md5Hash(passwd); passwd = passwd.Remove(0, 3); //remove $1$ string token = m_AuthenticationService.Authenticate(account.PrincipalID, passwd, 30); UUID secureSession = UUID.Zero; if ((token == string.Empty) || (token != string.Empty && !UUID.TryParse(token, out secureSession))) { m_log.InfoFormat("[LLOGIN SERVICE]: Login failed, reason: authentication failed"); return LLFailedLoginResponse.UserProblem; } // // Get the user's inventory // if (m_RequireInventory && m_InventoryService == null) { m_log.WarnFormat("[LLOGIN SERVICE]: Login failed, reason: inventory service not set up"); return LLFailedLoginResponse.InventoryProblem; } List inventorySkel = m_InventoryService.GetInventorySkeleton(account.PrincipalID); if (m_RequireInventory && ((inventorySkel == null) || (inventorySkel != null && inventorySkel.Count == 0))) { m_log.InfoFormat("[LLOGIN SERVICE]: Login failed, reason: unable to retrieve user inventory"); return LLFailedLoginResponse.InventoryProblem; } // // Login the presence // if (m_PresenceService != null) { success = m_PresenceService.LoginAgent(account.PrincipalID.ToString(), session, secureSession); if (!success) { m_log.InfoFormat("[LLOGIN SERVICE]: Login failed, reason: could not login presence"); return LLFailedLoginResponse.GridProblem; } } // // Change Online status and get the home region // GridRegion home = null; GridUserInfo guinfo = m_GridUserService.LoggedIn(account.PrincipalID.ToString()); if (guinfo != null && (guinfo.HomeRegionID != UUID.Zero) && m_GridService != null) { home = m_GridService.GetRegionByUUID(scopeID, guinfo.HomeRegionID); } if (guinfo == null) { // something went wrong, make something up, so that we don't have to test this anywhere else guinfo = new GridUserInfo(); guinfo.LastPosition = guinfo.HomePosition = new Vector3(128, 128, 30); } // // Find the destination region/grid // string where = string.Empty; Vector3 position = Vector3.Zero; Vector3 lookAt = Vector3.Zero; GridRegion gatekeeper = null; GridRegion destination = FindDestination(account, scopeID, guinfo, session, startLocation, home, out gatekeeper, out where, out position, out lookAt); if (destination == null) { m_PresenceService.LogoutAgent(session); m_log.InfoFormat("[LLOGIN SERVICE]: Login failed, reason: destination not found"); return LLFailedLoginResponse.GridProblem; } // // Get the avatar // AvatarData avatar = null; if (m_AvatarService != null) { avatar = m_AvatarService.GetAvatar(account.PrincipalID); } // // Instantiate/get the simulation interface and launch an agent at the destination // string reason = string.Empty; AgentCircuitData aCircuit = LaunchAgentAtGrid(gatekeeper, destination, account, avatar, session, secureSession, position, where, clientVersion, out where, out reason); if (aCircuit == null) { m_PresenceService.LogoutAgent(session); m_log.InfoFormat("[LLOGIN SERVICE]: Login failed, reason: {0}", reason); return LLFailedLoginResponse.AuthorizationProblem; } // Get Friends list FriendInfo[] friendsList = new FriendInfo[0]; if (m_FriendsService != null) { friendsList = m_FriendsService.GetFriends(account.PrincipalID); m_log.DebugFormat("[LLOGIN SERVICE]: Retrieved {0} friends", friendsList.Length); } // // Finally, fill out the response and return it // LLLoginResponse response = new LLLoginResponse(account, aCircuit, guinfo, destination, inventorySkel, friendsList, m_LibraryService, where, startLocation, position, lookAt, m_WelcomeMessage, home, clientIP); m_log.DebugFormat("[LLOGIN SERVICE]: All clear. Sending login response to client."); return response; } catch (Exception e) { m_log.WarnFormat("[LLOGIN SERVICE]: Exception processing login for {0} {1}: {2} {3}", firstName, lastName, e.ToString(), e.StackTrace); if (m_PresenceService != null) m_PresenceService.LogoutAgent(session); return LLFailedLoginResponse.InternalError; } } protected GridRegion FindDestination(UserAccount account, UUID scopeID, GridUserInfo pinfo, UUID sessionID, string startLocation, GridRegion home, out GridRegion gatekeeper, out string where, out Vector3 position, out Vector3 lookAt) { m_log.DebugFormat("[LLOGIN SERVICE]: FindDestination for start location {0}", startLocation); gatekeeper = null; where = "home"; position = new Vector3(128, 128, 0); lookAt = new Vector3(0, 1, 0); if (m_GridService == null) return null; if (startLocation.Equals("home")) { // logging into home region if (pinfo == null) return null; GridRegion region = null; bool tryDefaults = false; if (home == null) { m_log.WarnFormat( "[LLOGIN SERVICE]: User {0} {1} tried to login to a 'home' start location but they have none set", account.FirstName, account.LastName); tryDefaults = true; } else { region = home; position = pinfo.HomePosition; lookAt = pinfo.HomeLookAt; } if (tryDefaults) { List defaults = m_GridService.GetDefaultRegions(scopeID); if (defaults != null && defaults.Count > 0) { region = defaults[0]; where = "safe"; } else { m_log.WarnFormat("[LLOGIN SERVICE]: User {0} {1} does not have a valid home and this grid does not have default locations. Attempting to find random region", account.FirstName, account.LastName); defaults = m_GridService.GetRegionsByName(scopeID, "", 1); if (defaults != null && defaults.Count > 0) { region = defaults[0]; where = "safe"; } } } return region; } else if (startLocation.Equals("last")) { // logging into last visited region where = "last"; if (pinfo == null) return null; GridRegion region = null; if (pinfo.LastRegionID.Equals(UUID.Zero) || (region = m_GridService.GetRegionByUUID(scopeID, pinfo.LastRegionID)) == null) { List defaults = m_GridService.GetDefaultRegions(scopeID); if (defaults != null && defaults.Count > 0) { region = defaults[0]; where = "safe"; } else { m_log.Info("[LLOGIN SERVICE]: Last Region Not Found Attempting to find random region"); defaults = m_GridService.GetRegionsByName(scopeID, "", 1); if (defaults != null && defaults.Count > 0) { region = defaults[0]; where = "safe"; } } } else { position = pinfo.LastPosition; lookAt = pinfo.LastLookAt; } return region; } else { // free uri form // e.g. New Moon&135&46 New Moon@osgrid.org:8002&153&34 where = "url"; Regex reURI = new Regex(@"^uri:(?[^&]+)&(?\d+)&(?\d+)&(?\d+)$"); Match uriMatch = reURI.Match(startLocation); if (uriMatch == null) { m_log.InfoFormat("[LLLOGIN SERVICE]: Got Custom Login URI {0}, but can't process it", startLocation); return null; } else { position = new Vector3(float.Parse(uriMatch.Groups["x"].Value, Culture.NumberFormatInfo), float.Parse(uriMatch.Groups["y"].Value, Culture.NumberFormatInfo), float.Parse(uriMatch.Groups["z"].Value, Culture.NumberFormatInfo)); string regionName = uriMatch.Groups["region"].ToString(); if (regionName != null) { if (!regionName.Contains("@")) { List regions = m_GridService.GetRegionsByName(scopeID, regionName, 1); if ((regions == null) || (regions != null && regions.Count == 0)) { m_log.InfoFormat("[LLLOGIN SERVICE]: Got Custom Login URI {0}, can't locate region {1}. Trying defaults.", startLocation, regionName); regions = m_GridService.GetDefaultRegions(scopeID); if (regions != null && regions.Count > 0) { where = "safe"; return regions[0]; } else { m_log.InfoFormat("[LLLOGIN SERVICE]: Got Custom Login URI {0}, Grid does not provide default regions.", startLocation); return null; } } return regions[0]; } else { if (m_UserAgentService == null) { m_log.WarnFormat("[LLLOGIN SERVICE]: This llogin service is not running a user agent service, as such it can't lauch agents at foreign grids"); return null; } string[] parts = regionName.Split(new char[] { '@' }); if (parts.Length < 2) { m_log.InfoFormat("[LLLOGIN SERVICE]: Got Custom Login URI {0}, can't locate region {1}", startLocation, regionName); return null; } // Valid specification of a remote grid regionName = parts[0]; string domainLocator = parts[1]; parts = domainLocator.Split(new char[] {':'}); string domainName = parts[0]; uint port = 0; if (parts.Length > 1) UInt32.TryParse(parts[1], out port); GridRegion region = FindForeignRegion(domainName, port, regionName, out gatekeeper); return region; } } else { List defaults = m_GridService.GetDefaultRegions(scopeID); if (defaults != null && defaults.Count > 0) { where = "safe"; return defaults[0]; } else return null; } } //response.LookAt = "[r0,r1,r0]"; //// can be: last, home, safe, url //response.StartLocation = "url"; } } private GridRegion FindForeignRegion(string domainName, uint port, string regionName, out GridRegion gatekeeper) { gatekeeper = new GridRegion(); gatekeeper.ExternalHostName = domainName; gatekeeper.HttpPort = port; gatekeeper.RegionName = regionName; gatekeeper.InternalEndPoint = new IPEndPoint(IPAddress.Parse("0.0.0.0"), 0); UUID regionID; ulong handle; string imageURL = string.Empty, reason = string.Empty; if (m_GatekeeperConnector.LinkRegion(gatekeeper, out regionID, out handle, out domainName, out imageURL, out reason)) { GridRegion destination = m_GatekeeperConnector.GetHyperlinkRegion(gatekeeper, regionID); return destination; } return null; } private string hostName = string.Empty; private int port = 0; private void SetHostAndPort(string url) { try { Uri uri = new Uri(url); hostName = uri.Host; port = uri.Port; } catch { m_log.WarnFormat("[LLLogin SERVICE]: Unable to parse GatekeeperURL {0}", url); } } protected AgentCircuitData LaunchAgentAtGrid(GridRegion gatekeeper, GridRegion destination, UserAccount account, AvatarData avatar, UUID session, UUID secureSession, Vector3 position, string currentWhere, string viewer, out string where, out string reason) { where = currentWhere; ISimulationService simConnector = null; reason = string.Empty; uint circuitCode = 0; AgentCircuitData aCircuit = null; if (m_UserAgentService == null) { // HG standalones have both a localSimulatonDll and a remoteSimulationDll // non-HG standalones have just a localSimulationDll // independent login servers have just a remoteSimulationDll if (m_LocalSimulationService != null) simConnector = m_LocalSimulationService; else if (m_RemoteSimulationService != null) simConnector = m_RemoteSimulationService; } else // User Agent Service is on { if (gatekeeper == null) // login to local grid { if (hostName == string.Empty) SetHostAndPort(m_GatekeeperURL); gatekeeper = new GridRegion(destination); gatekeeper.ExternalHostName = hostName; gatekeeper.HttpPort = (uint)port; } else // login to foreign grid { } } bool success = false; if (m_UserAgentService == null && simConnector != null) { circuitCode = (uint)Util.RandomClass.Next(); ; aCircuit = MakeAgent(destination, account, avatar, session, secureSession, circuitCode, position, viewer); success = LaunchAgentDirectly(simConnector, destination, aCircuit, out reason); if (!success && m_GridService != null) { // Try the fallback regions List fallbacks = m_GridService.GetFallbackRegions(account.ScopeID, destination.RegionLocX, destination.RegionLocY); if (fallbacks != null) { foreach (GridRegion r in fallbacks) { success = LaunchAgentDirectly(simConnector, r, aCircuit, out reason); if (success) { where = "safe"; destination = r; break; } } } } } if (m_UserAgentService != null) { circuitCode = (uint)Util.RandomClass.Next(); ; aCircuit = MakeAgent(destination, account, avatar, session, secureSession, circuitCode, position, viewer); success = LaunchAgentIndirectly(gatekeeper, destination, aCircuit, out reason); if (!success && m_GridService != null) { // Try the fallback regions List fallbacks = m_GridService.GetFallbackRegions(account.ScopeID, destination.RegionLocX, destination.RegionLocY); if (fallbacks != null) { foreach (GridRegion r in fallbacks) { success = LaunchAgentIndirectly(gatekeeper, r, aCircuit, out reason); if (success) { where = "safe"; destination = r; break; } } } } } if (success) return aCircuit; else return null; } private AgentCircuitData MakeAgent(GridRegion region, UserAccount account, AvatarData avatar, UUID session, UUID secureSession, uint circuit, Vector3 position, string viewer) { AgentCircuitData aCircuit = new AgentCircuitData(); aCircuit.AgentID = account.PrincipalID; if (avatar != null) aCircuit.Appearance = avatar.ToAvatarAppearance(account.PrincipalID); else aCircuit.Appearance = new AvatarAppearance(account.PrincipalID); //aCircuit.BaseFolder = irrelevant aCircuit.CapsPath = CapsUtil.GetRandomCapsObjectPath(); aCircuit.child = false; // the first login agent is root aCircuit.ChildrenCapSeeds = new Dictionary(); aCircuit.circuitcode = circuit; aCircuit.firstname = account.FirstName; //aCircuit.InventoryFolder = irrelevant aCircuit.lastname = account.LastName; aCircuit.SecureSessionID = secureSession; aCircuit.SessionID = session; aCircuit.startpos = position; aCircuit.Viewer = viewer; SetServiceURLs(aCircuit, account); return aCircuit; //m_UserAgentService.LoginAgentToGrid(aCircuit, GatekeeperServiceConnector, region, out reason); //if (simConnector.CreateAgent(region, aCircuit, 0, out reason)) // return aCircuit; //return null; } private void SetServiceURLs(AgentCircuitData aCircuit, UserAccount account) { aCircuit.ServiceURLs = new Dictionary(); if (account.ServiceURLs == null) return; foreach (KeyValuePair kvp in account.ServiceURLs) { if (kvp.Value == null || (kvp.Value != null && kvp.Value.ToString() == string.Empty)) { aCircuit.ServiceURLs[kvp.Key] = m_LoginServerConfig.GetString(kvp.Key, string.Empty); } else { aCircuit.ServiceURLs[kvp.Key] = kvp.Value; } } } private bool LaunchAgentDirectly(ISimulationService simConnector, GridRegion region, AgentCircuitData aCircuit, out string reason) { return simConnector.CreateAgent(region, aCircuit, (int)Constants.TeleportFlags.ViaLogin, out reason); } private bool LaunchAgentIndirectly(GridRegion gatekeeper, GridRegion destination, AgentCircuitData aCircuit, out string reason) { m_log.Debug("[LLOGIN SERVICE] Launching agent at " + destination.RegionName); return m_UserAgentService.LoginAgentToGrid(aCircuit, gatekeeper, destination, out reason); } #region Console Commands private void RegisterCommands() { //MainConsole.Instance.Commands.AddCommand MainConsole.Instance.Commands.AddCommand("loginservice", false, "login level", "login level ", "Set the minimum user level to log in", HandleLoginCommand); MainConsole.Instance.Commands.AddCommand("loginservice", false, "login reset", "login reset", "Reset the login level to allow all users", HandleLoginCommand); MainConsole.Instance.Commands.AddCommand("loginservice", false, "login text", "login text ", "Set the text users will see on login", HandleLoginCommand); } private void HandleLoginCommand(string module, string[] cmd) { string subcommand = cmd[1]; switch (subcommand) { case "level": // Set the minimum level to allow login // Useful to allow grid update without worrying about users. // or fixing critical issues // if (cmd.Length > 2) Int32.TryParse(cmd[2], out m_MinLoginLevel); break; case "reset": m_MinLoginLevel = 0; break; case "text": if (cmd.Length > 2) m_WelcomeMessage = cmd[2]; break; } } } #endregion }