using System; using System.Collections.Generic; using System.Threading; using System.IO; using System.Linq; using System.Threading.Tasks; using SharedLibrary; using SharedLibrary.Network; using SharedLibrary.Interfaces; namespace IW4MAdmin { public class IW4MServer : Server { public IW4MServer(IManager mgr, ServerConfiguration cfg) : base(mgr, cfg) { } override public async Task AddPlayer(Player P) { if (P.ClientID < 0 || P.ClientID > (Players.Count - 1) || P.Ping < 1 || P.Ping == 999) // invalid index return false; if (Players[P.ClientID] != null && Players[P.ClientID].NetworkID == P.NetworkID) // if someone has left and a new person has taken their spot between polls { // update their ping Players[P.ClientID].Ping = P.Ping; return true; } Logger.WriteDebug($"Client slot #{P.ClientID} now reserved"); try { Player NewPlayer = Manager.GetClientDatabase().GetPlayer(P.NetworkID, P.ClientID); if (NewPlayer == null) // first time connecting { Logger.WriteDebug($"Client slot #{P.ClientID} first time connecting"); Manager.GetClientDatabase().AddPlayer(P); NewPlayer = Manager.GetClientDatabase().GetPlayer(P.NetworkID, P.ClientID); Manager.GetAliasesDatabase().AddPlayerAliases(new Aliases(NewPlayer.DatabaseID, NewPlayer.Name, NewPlayer.IP)); } List Admins = Manager.GetClientDatabase().GetAdmins(); if (Admins.Find(x => x.Name == P.Name) != null) { if ((Admins.Find(x => x.Name == P.Name).NetworkID != P.NetworkID) && NewPlayer.Level < Player.Permission.Moderator) await this.ExecuteCommandAsync("clientkick " + P.ClientID + " \"Please do not impersonate an admin^7\""); } // below this needs to be optimized ~ 425ms runtime NewPlayer.UpdateName(P.Name.Trim()); NewPlayer.Alias = Manager.GetAliasesDatabase().GetPlayerAliases(NewPlayer.DatabaseID); if (NewPlayer.Alias == null) { Manager.GetAliasesDatabase().AddPlayerAliases(new Aliases(NewPlayer.DatabaseID, NewPlayer.Name, NewPlayer.IP)); NewPlayer.Alias = Manager.GetAliasesDatabase().GetPlayerAliases(NewPlayer.DatabaseID); } if (P.lastEvent == null || P.lastEvent.Owner == null) NewPlayer.lastEvent = new Event(Event.GType.Say, null, NewPlayer, null, this); // this is messy but its throwing an error when they've started in too late else NewPlayer.lastEvent = P.lastEvent; // lets check aliases if ((NewPlayer.Alias.Names.Find(m => m.Equals(P.Name))) == null || NewPlayer.Name == null || NewPlayer.Name == String.Empty) { NewPlayer.UpdateName(P.Name.Trim()); NewPlayer.Alias.Names.Add(NewPlayer.Name); } // and ips if (NewPlayer.Alias.IPS.Find(i => i.Equals(P.IP)) == null || P.IP == null || P.IP == String.Empty) NewPlayer.Alias.IPS.Add(P.IP); NewPlayer.SetIP(P.IP); Manager.GetAliasesDatabase().UpdatePlayerAliases(NewPlayer.Alias); Manager.GetClientDatabase().UpdatePlayer(NewPlayer); await ExecuteEvent(new Event(Event.GType.Connect, "", NewPlayer, null, this)); if (NewPlayer.Level == Player.Permission.Banned) // their guid is already banned so no need to check aliases { Logger.WriteInfo($"Banned client {P.Name}::{P.NetworkID} trying to connect..."); await NewPlayer.Kick(NewPlayer.lastOffense != null ? "^7Previously banned for ^5 " + NewPlayer.lastOffense : "^7Previous Ban", NewPlayer); return true; } var newPlayerAliases = Manager.GetAliasClients(NewPlayer); foreach (Player aP in newPlayerAliases) // lets check their aliases { if (aP == null) continue; if (aP.Level == Player.Permission.Flagged) NewPlayer.SetLevel(Player.Permission.Flagged); Penalty B = IsBanned(aP); if (B != null && B.BType == Penalty.Type.Ban) { Logger.WriteDebug($"Banned client {aP.Name}::{aP.NetworkID} is connecting with new alias {NewPlayer.Name}"); NewPlayer.lastOffense = String.Format("Evading ( {0} )", aP.Name); await NewPlayer.Ban(B.Reason != null ? "^7Previously banned for ^5 " + B.Reason : "^7Previous Ban", NewPlayer); Players[NewPlayer.ClientID] = null; return true; } var activeTB = IsTempBanned(aP); if (activeTB != null) { await this.ExecuteCommandAsync($"clientkick {NewPlayer.ClientID} \"You are temporarily banned. ({(activeTB.Expires - DateTime.Now).TimeSpanText()} left)\""); } } Players[NewPlayer.ClientID] = NewPlayer; Logger.WriteInfo($"Client {NewPlayer.Name}::{NewPlayer.NetworkID} connecting..."); // they're clean if (NewPlayer.Level > Player.Permission.Moderator) await NewPlayer.Tell("There are ^5" + Reports.Count + " ^7recent reports!"); return true; } catch (Exception E) { Manager.GetLogger().WriteError($"Unable to add player {P.Name}::{P.NetworkID}"); Manager.GetLogger().WriteDebug(E.StackTrace); return false; } } //Remove player by CLIENT NUMBER override public async Task RemovePlayer(int cNum) { if (cNum >= 0) { Player Leaving = Players[cNum]; Leaving.Connections++; Manager.GetClientDatabase().UpdatePlayer(Leaving); Logger.WriteInfo($"Client {Leaving.Name}::{Leaving.NetworkID} disconnecting..."); await ExecuteEvent(new Event(Event.GType.Disconnect, "", Leaving, null, this)); Players[cNum] = null; } } //Another version of client from line, written for the line created by a kill or death event override public Player ParseClientFromString(String[] L, int cIDPos) { if (L.Length < cIDPos) { Logger.WriteError("Line sent for client creation is not long enough!"); return null; } int pID = -2; // apparently falling = -1 cID so i can't use it now int.TryParse(L[cIDPos].Trim(), out pID); if (pID == -1) // special case similar to mod_suicide int.TryParse(L[2], out pID); if (pID < 0 || pID > 17) { Logger.WriteError("Event player index " + pID + " is out of bounds!"); Logger.WriteDebug("Offending line -- " + String.Join(";", L)); return null; } return Players[pID]; } //Check ban list for every banned player and return ban if match is found override public Penalty IsBanned(Player C) { return Manager.GetClientPenalties().FindPenalties(C).Where(b => b.BType == Penalty.Type.Ban).FirstOrDefault(); } public Penalty IsTempBanned(Player C) { return Manager.GetClientPenalties().FindPenalties(C).FirstOrDefault(b => b.BType == Penalty.Type.TempBan && b.Expires > DateTime.Now); } //Process requested command correlating to an event // todo: this needs to be removed out of here override public async Task ValidateCommand(Event E) { string CommandString = E.Data.Substring(1, E.Data.Length - 1).Split(' ')[0]; E.Message = E.Data; Command C = null; foreach (Command cmd in Manager.GetCommands()) { if (cmd.Name == CommandString.ToLower() || cmd.Alias == CommandString.ToLower()) C = cmd; } if (C == null) { await E.Origin.Tell("You entered an unknown command"); throw new SharedLibrary.Exceptions.CommandException($"{E.Origin} entered unknown command \"{CommandString}\""); } E.Data = E.Data.RemoveWords(1); String[] Args = E.Data.Trim().Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries); if (E.Origin.Level < C.Permission) { await E.Origin.Tell("You do not have access to that command!"); throw new SharedLibrary.Exceptions.CommandException($"{E.Origin} does not have access to \"{C.Name}\""); } if (Args.Length < (C.RequiredArgumentCount)) { await E.Origin.Tell($"Not enough arguments supplied! ^5({C.RequiredArgumentCount} ^7required)"); throw new SharedLibrary.Exceptions.CommandException($"{E.Origin} did not supply enough arguments for \"{C.Name}\""); } if (C.RequiresTarget || Args.Length > 0) { int cNum = -1; int.TryParse(Args[0], out cNum); if (Args[0] == String.Empty) return C; if (Args[0][0] == '@') // user specifying target by database ID { int dbID = -1; int.TryParse(Args[0].Substring(1, Args[0].Length - 1), out dbID); Player found = Manager.GetClientDatabase().GetPlayer(dbID); if (found != null) { E.Target = found; E.Target.lastEvent = E; E.Owner = this as IW4MServer; } } else if (Args[0].Length < 3 && cNum > -1 && cNum < 18) // user specifying target by client num { if (Players[cNum] != null) E.Target = Players[cNum]; } if (E.Target == null) // Find active player including quotes (multiple words) E.Target = GetClientByName(E.Data.Trim()); if (E.Target == null) // Find active player as single word E.Target = GetClientByName(Args[0]); if (E.Target == null && C.RequiresTarget) { await E.Origin.Tell("Unable to find specified player."); throw new SharedLibrary.Exceptions.CommandException($"{E.Origin} specified invalid player for \"{C.Name}\""); } } return C; } public override async Task ExecuteEvent(Event E) { if (Throttled) return; await ProcessEvent(E); foreach (IPlugin P in SharedLibrary.Plugins.PluginImporter.ActivePlugins) { try { await P.OnEventAsync(E, this); } catch (Exception Except) { Logger.WriteError(String.Format("The plugin \"{0}\" generated an error. ( see log )", P.Name)); Logger.WriteDebug(String.Format("Error Message: {0}", Except.Message)); Logger.WriteDebug(String.Format("Error Trace: {0}", Except.StackTrace)); continue; } } } async Task PollPlayersAsync() { #if DEBUG return Players.Where(p => p != null).Count(); #endif var CurrentPlayers = await this.GetStatusAsync(); for (int i = 0; i < Players.Count; i++) { if (CurrentPlayers.Find(p => p.ClientID == i) == null && Players[i] != null) await RemovePlayer(i); } foreach (var P in CurrentPlayers) await AddPlayer(P); return CurrentPlayers.Count; } long l_size = -1; String[] lines = new String[8]; String[] oldLines = new String[8]; DateTime start = DateTime.Now; DateTime playerCountStart = DateTime.Now; DateTime lastCount = DateTime.Now; DateTime tickTime = DateTime.Now; override public async Task ProcessUpdatesAsync(CancellationToken cts) { #if DEBUG == false try #endif { if ((DateTime.Now - LastPoll).TotalMinutes < 2 && ConnectionErrors >= 1) return; try { ClientNum = await PollPlayersAsync(); if (ConnectionErrors > 0) { Logger.WriteInfo($"Connection has been reestablished with {IP}:{Port}"); Throttled = false; } ConnectionErrors = 0; LastPoll = DateTime.Now; } catch (SharedLibrary.Exceptions.NetworkException e) { ConnectionErrors++; if (ConnectionErrors == 1) { Logger.WriteError($"{e.Message} {IP}:{Port}, reducing polling rate"); Throttled = true; } return; } LastMessage = DateTime.Now - start; lastCount = DateTime.Now; if ((DateTime.Now - tickTime).TotalMilliseconds >= 1000) { foreach (var Plugin in SharedLibrary.Plugins.PluginImporter.ActivePlugins) await Plugin.OnTickAsync(this); tickTime = DateTime.Now; } if ((lastCount - playerCountStart).TotalMinutes >= 15) { while (PlayerHistory.Count > 48) // 4 times a hour for 12 hours PlayerHistory.Dequeue(); PlayerHistory.Enqueue(new SharedLibrary.Helpers.PlayerHistory(ClientNum)); playerCountStart = DateTime.Now; } if (LastMessage.TotalSeconds > MessageTime && BroadcastMessages.Count > 0 && ClientNum > 0) { await Broadcast(Utilities.ProcessMessageToken(Manager.GetMessageTokens(), BroadcastMessages[NextMessage])); NextMessage = NextMessage == (BroadcastMessages.Count - 1) ? 0 : NextMessage + 1; start = DateTime.Now; } //logFile = new IFile(); if (l_size != LogFile.Length()) { // this should be the longest running task await Task.FromResult(lines = LogFile.Tail(12)); if (lines != oldLines) { l_size = LogFile.Length(); int end; if (lines.Length == oldLines.Length) end = lines.Length - 1; else end = Math.Abs((lines.Length - oldLines.Length)) - 1; for (int count = 0; count < lines.Length; count++) { if (lines.Length < 1 && oldLines.Length < 1) continue; if (lines[count] == oldLines[oldLines.Length - 1]) continue; if (lines[count].Length < 10) // it's not a needed line continue; else { string[] game_event = lines[count].Split(';'); Event event_ = Event.ParseEventString(game_event, this); if (event_ != null) { if (event_.Origin == null) continue; event_.Origin.lastEvent = event_; event_.Origin.lastEvent.Owner = this; await ExecuteEvent(event_); } } } } } oldLines = lines; l_size = LogFile.Length(); } #if DEBUG == false catch (SharedLibrary.Exceptions.NetworkException) { Logger.WriteError($"Could not communicate with {IP}:{Port}"); } catch (Exception E) { Logger.WriteError($"Encountered error on {IP}:{Port}"); Logger.WriteDebug("Error Message: " + E.Message); Logger.WriteDebug("Error Trace: " + E.StackTrace); } #endif } public async Task Initialize() { var version = await this.GetDvarAsync("version"); GameName = Utilities.GetGame(version.Value); if (GameName == Game.UKN) Logger.WriteWarning($"Game name not recognized: {version}"); var shortversion = await this.GetDvarAsync("shortversion"); var hostname = await this.GetDvarAsync("sv_hostname"); var mapname = await this.GetDvarAsync("mapname"); var maxplayers = (GameName == Game.IW4) ? // gotta love IW4 idiosyncrasies await this.GetDvarAsync("party_maxplayers") : await this.GetDvarAsync("sv_maxclients"); var gametype = await this.GetDvarAsync("g_gametype"); var basepath = await this.GetDvarAsync("fs_basepath"); var game = await this.GetDvarAsync("fs_game"); var logfile = await this.GetDvarAsync("g_log"); var logsync = await this.GetDvarAsync("g_logsync"); DVAR onelog = null; if (GameName == Game.IW4) onelog = await this.GetDvarAsync("iw4x_onelog"); try { var website = await this.GetDvarAsync("_website"); Website = website.Value; } catch (SharedLibrary.Exceptions.DvarException) { Website = "this server's website"; } this.Hostname = hostname.Value.StripColors(); this.CurrentMap = Maps.Find(m => m.Name == mapname.Value) ?? new Map(mapname.Value, mapname.Value); this.MaxClients = maxplayers.Value; this.FSGame = game.Value; await this.SetDvarAsync("sv_kickbantime", 3600); await this.SetDvarAsync("sv_network_fps", 1000); await this.SetDvarAsync("com_maxfps", 1000); if (logsync.Value == 0 || logfile.Value == string.Empty) { // this DVAR isn't set until the a map is loaded await this.SetDvarAsync("logfile", 2); await this.SetDvarAsync("g_logsync", 2); // set to 2 for continous in other games, clamps to 1 for IW4 await this.SetDvarAsync("g_log", "games_mp.log"); Logger.WriteWarning("Game log file not properly initialized, restarting map..."); await this.ExecuteCommandAsync("map_restart"); logfile = await this.GetDvarAsync("g_log"); } #if DEBUG if (Environment.OSVersion.VersionString != "Microsoft Windows NT 6.2.9200.0") { basepath.Value = (GameName == Game.IW4) ? @"\\tsclient\J\WIN7_10.25\MW2" : @"\\tsclient\G\Program Files (x86)\Steam\SteamApps\common\Call of Duty 4"; } else { basepath.Value = @"C:\MW2"; } #endif string mainPath = (GameName == Game.IW4) ? "userraw" : "main"; string logPath = (game.Value == "" || onelog?.Value == 1) ? $"{ basepath.Value.Replace("\\", "/")}/{mainPath}/{logfile.Value}" : $"{basepath.Value.Replace("\\", "/")}/{game.Value}/{logfile.Value}"; if (!File.Exists(logPath)) { Logger.WriteError($"Gamelog {logPath} does not exist!"); #if !DEBUG throw new SharedLibrary.Exceptions.ServerException($"Invalid gamelog file {logPath}"); #endif } else LogFile = new IFile(logPath); Logger.WriteInfo("Log file is " + logPath); await ExecuteEvent(new Event(Event.GType.Start, "Server started", null, null, this)); #if !DEBUG Broadcast("IW4M Admin is now ^2ONLINE"); #endif } //Process any server event override protected async Task ProcessEvent(Event E) { if (E.Type == Event.GType.Connect) { ChatHistory.Add(new Chat(E.Origin.Name, "CONNECTED", DateTime.Now)); } else if (E.Type == Event.GType.Disconnect) { ChatHistory.Add(new Chat(E.Origin.Name, "DISCONNECTED", DateTime.Now)); } else if (E.Type == Event.GType.Script) { if (E.Origin == E.Target)// suicide/falling await ExecuteEvent(new Event(Event.GType.Death, E.Data, E.Target, E.Target, this)); else { await ExecuteEvent(new Event(Event.GType.Kill, E.Data, E.Origin, E.Target, this)); await ExecuteEvent(new Event(Event.GType.Death, E.Data, E.Target, E.Origin, this)); } } if (E.Type == Event.GType.Say && E.Data.Length >= 2) { if (E.Data.Substring(0, 1) == "!" || E.Data.Substring(0, 1) == "@" || E.Origin.Level == Player.Permission.Console) { Command C = null; try { C = await ValidateCommand(E); } catch (SharedLibrary.Exceptions.CommandException e) { Logger.WriteInfo(e.Message); } if (C != null) { if (C.RequiresTarget && E.Target == null) { Logger.WriteWarning("Requested event (command) requiring target does not have a target!"); } try { await C.ExecuteAsync(E); } catch (Exception Except) { Logger.WriteError(String.Format("A command request \"{0}\" generated an error.", C.Name)); Logger.WriteDebug(String.Format("Error Message: {0}", Except.Message)); Logger.WriteDebug(String.Format("Error Trace: {0}", Except.StackTrace)); await E.Origin.Tell("^1An internal error occured while processing your command^7"); #if DEBUG await E.Origin.Tell(Except.Message); #endif } } } else // Not a command { E.Data = E.Data.StripColors().CleanChars(); if (E.Data.Length > 50) E.Data = E.Data.Substring(0, 50) + "..."; ChatHistory.Add(new Chat(E.Origin.Name, E.Data, DateTime.Now)); } } if (E.Type == Event.GType.MapChange) { Logger.WriteInfo($"New map loaded - {ClientNum} active players"); Gametype = (await this.GetDvarAsync("g_gametype")).Value.StripColors(); Hostname = (await this.GetDvarAsync("sv_hostname")).Value.StripColors(); FSGame = (await this.GetDvarAsync("fs_game")).Value.StripColors(); string mapname = this.GetDvarAsync("mapname").Result.Value; CurrentMap = Maps.Find(m => m.Name == mapname) ?? new Map(mapname, mapname); } if (E.Type == Event.GType.MapEnd) { Logger.WriteInfo("Game ending..."); } //todo: move while (ChatHistory.Count > Math.Ceiling((double)ClientNum / 2)) ChatHistory.RemoveAt(0); // the last client hasn't fully disconnected yet // so there will still be at least 1 client left if (ClientNum < 2) ChatHistory.Clear(); } public override async Task Warn(String Reason, Player Target, Player Origin) { if (Target.Warnings >= 4) await Target.Kick("Too many warnings!", Origin); else { Penalty newPenalty = new Penalty(Penalty.Type.Warning, Reason.StripColors(), Target.NetworkID, Origin.NetworkID, DateTime.Now, Target.IP, DateTime.Now); Manager.GetClientPenalties().AddPenalty(newPenalty); Target.Warnings++; String Message = String.Format("^1WARNING ^7[^3{0}^7]: ^3{1}^7, {2}", Target.Warnings, Target.Name, Target.lastOffense); await Broadcast(Message); } } public override async Task Kick(String Reason, Player Target, Player Origin) { if (Target.ClientID > -1) { String Message = "^1Player Kicked: ^5" + Reason; Penalty newPenalty = new Penalty(Penalty.Type.Kick, Reason.StripColors().Trim(), Target.NetworkID, Origin.NetworkID, DateTime.Now, Target.IP, DateTime.Now); Manager.GetClientPenalties().AddPenalty(newPenalty); await this.ExecuteCommandAsync($"clientkick {Target.ClientID} \"{Message}^7\""); } } public override async Task TempBan(String Reason, TimeSpan length, Player Target, Player Origin) { await this.ExecuteCommandAsync($"tempbanclient {Target.ClientID } \"^1Player Temporarily Banned: ^5{ Reason }\""); Penalty newPenalty = new Penalty(Penalty.Type.TempBan, Reason.StripColors(), Target.NetworkID, Origin.NetworkID, DateTime.Now, Target.IP, DateTime.Now + length); await Task.Run(() => { Manager.GetClientPenalties().AddPenalty(newPenalty); }); } override public async Task Ban(String Message, Player Target, Player Origin) { if (Target == null) { Logger.WriteError("Ban target is null"); Logger.WriteDebug($"Message: {Message}"); Logger.WriteDebug($"Origin: {Origin.Name}::{Origin.NetworkID}"); return; } // banned from all servers if active foreach (var server in Manager.GetServers()) { if (server.GetPlayersAsList().Count > 0) { var activeClient = server.GetPlayersAsList().Find(x => x.NetworkID == Target.NetworkID); if (activeClient != null) { await server.ExecuteCommandAsync($"tempbanclient {activeClient.ClientID} \"{Message} ^7 ({Website}) ^7\""); break; } } } if (Origin != null) { Target.SetLevel(Player.Permission.Banned); Penalty newBan = new Penalty(Penalty.Type.Ban, Target.lastOffense, Target.NetworkID, Origin.NetworkID, DateTime.Now, Target.IP, DateTime.MaxValue); await Task.Run(() => { Manager.GetClientPenalties().AddPenalty(newBan); Manager.GetClientDatabase().UpdatePlayer(Target); }); lock (Reports) // threading seems to do something weird here { List toRemove = new List(); foreach (Report R in Reports) { if (R.Target.NetworkID == Target.NetworkID) toRemove.Add(R); } foreach (Report R in toRemove) { Reports.Remove(R); Logger.WriteInfo("Removing report for banned GUID - " + R.Origin.NetworkID); } } } } override public async Task Unban(Player Target) { // database stuff can be time consuming await Task.Run(() => { var FoundPenalties = Manager.GetClientPenalties().FindPenalties(Target); FoundPenalties.Where(p => p.BType > Penalty.Type.Kick) .All(p => { Manager.GetClientPenalties().RemovePenalty(p); return true; }); Player P = Manager.GetClientDatabase().GetPlayer(Target.NetworkID, -1); if (P.Level < Player.Permission.Trusted) { P.SetLevel(Player.Permission.User); Manager.GetClientDatabase().UpdatePlayer(P); } }); } public override bool Reload() { try { InitializeMaps(); InitializeAutoMessages(); InitializeRules(); return true; } catch (Exception E) { Logger.WriteError("Unable to reload configs! - " + E.Message); BroadcastMessages = new List(); Maps = new List(); Rules = new List(); return false; } } override public void InitializeTokens() { Manager.GetMessageTokens().Add(new SharedLibrary.Helpers.MessageToken("TOTALPLAYERS", Manager.GetClientDatabase().TotalPlayers().ToString)); Manager.GetMessageTokens().Add(new SharedLibrary.Helpers.MessageToken("VERSION", Program.Version.ToString)); } } }