2f107db...5202af9
This commit is contained in:
Joonas Rikkonen
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using Lidgren.Network;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Net;
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namespace Barotrauma.Networking
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{
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partial class BannedPlayer
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{
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private static UInt16 LastIdentifier = 0;
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public BannedPlayer(string name, string ip, string reason, DateTime? expirationTime)
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{
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this.Name = name;
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this.IP = ip;
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this.Reason = reason;
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this.ExpirationTime = expirationTime;
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this.UniqueIdentifier = LastIdentifier; LastIdentifier++;
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this.IsRangeBan = IP.IndexOf(".x")>-1;
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}
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public BannedPlayer(string name, ulong steamID, string reason, DateTime? expirationTime)
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{
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this.Name = name;
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this.SteamID = steamID;
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this.Reason = reason;
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this.ExpirationTime = expirationTime;
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this.UniqueIdentifier = LastIdentifier; LastIdentifier++;
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this.IsRangeBan = false;
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}
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public bool CompareTo(string ipCompare)
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{
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if (!IsRangeBan)
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{
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return ipCompare == IP;
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}
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else
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{
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int rangeBanIndex = IP.IndexOf(".x");
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if (ipCompare.Length < rangeBanIndex) return false;
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return ipCompare.Substring(0, rangeBanIndex) == IP.Substring(0, rangeBanIndex);
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}
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}
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public bool CompareTo(IPAddress ipCompare)
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{
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if (ipCompare.IsIPv4MappedToIPv6 && CompareTo(ipCompare.MapToIPv4().ToString()))
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{
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return true;
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}
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return CompareTo(ipCompare.ToString());
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}
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}
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partial class BanList
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{
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partial void InitProjectSpecific()
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{
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if (!File.Exists(SavePath)) { return; }
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string[] lines;
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try
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{
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lines = File.ReadAllLines(SavePath);
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}
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catch (Exception e)
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{
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DebugConsole.ThrowError("Failed to open the list of banned players in " + SavePath, e);
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return;
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}
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foreach (string line in lines)
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{
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string[] separatedLine = line.Split(',');
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if (separatedLine.Length < 2) continue;
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string name = separatedLine[0];
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string identifier = separatedLine[1];
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DateTime? expirationTime = null;
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if (separatedLine.Length > 2 && !string.IsNullOrEmpty(separatedLine[2]))
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{
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if (DateTime.TryParse(separatedLine[2], out DateTime parsedTime))
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{
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expirationTime = parsedTime;
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}
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}
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string reason = separatedLine.Length > 3 ? string.Join(",", separatedLine.Skip(3)) : "";
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if (expirationTime.HasValue && DateTime.Now > expirationTime.Value) continue;
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if (identifier.Contains(".") || identifier.Contains(":"))
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{
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//identifier is an ip
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bannedPlayers.Add(new BannedPlayer(name, identifier, reason, expirationTime));
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}
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else
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{
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//identifier should be a steam id
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if (ulong.TryParse(identifier, out ulong steamID))
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{
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bannedPlayers.Add(new BannedPlayer(name, steamID, reason, expirationTime));
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}
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else
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{
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DebugConsole.ThrowError("Error in banlist: \"" + identifier + "\" is not a valid IP or a Steam ID");
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}
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}
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}
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}
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public bool IsBanned(IPAddress IP, ulong steamID)
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{
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bannedPlayers.RemoveAll(bp => bp.ExpirationTime.HasValue && DateTime.Now > bp.ExpirationTime.Value);
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return bannedPlayers.Any(bp => bp.CompareTo(IP) || (steamID > 0 && bp.SteamID == steamID));
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}
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public void BanPlayer(string name, IPAddress ip, string reason, TimeSpan? duration)
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{
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string ipStr = ip.IsIPv4MappedToIPv6 ? ip.MapToIPv4().ToString() : ip.ToString();
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BanPlayer(name, ipStr, 0, reason, duration);
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}
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public void BanPlayer(string name, string ip, string reason, TimeSpan? duration)
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{
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BanPlayer(name, ip, 0, reason, duration);
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}
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public void BanPlayer(string name, ulong steamID, string reason, TimeSpan? duration)
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{
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BanPlayer(name, "", steamID, reason, duration);
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}
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private void BanPlayer(string name, string ip, ulong steamID, string reason, TimeSpan? duration)
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{
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var existingBan = bannedPlayers.Find(bp => bp.IP == ip && bp.SteamID == steamID);
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if (existingBan != null)
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{
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if (!duration.HasValue) return;
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DebugConsole.Log("Set \"" + name + "\"'s ban duration to " + duration.Value);
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existingBan.ExpirationTime = DateTime.Now + duration.Value;
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Save();
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return;
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}
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System.Diagnostics.Debug.Assert(!name.Contains(','));
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string logMsg = "Banned " + name;
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if (!string.IsNullOrEmpty(reason)) logMsg += ", reason: " + reason;
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if (duration.HasValue) logMsg += ", duration: " + duration.Value.ToString();
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DebugConsole.Log(logMsg);
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DateTime? expirationTime = null;
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if (duration.HasValue)
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{
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expirationTime = DateTime.Now + duration.Value;
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}
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bannedPlayers.Add(new BannedPlayer(name, ip, reason, expirationTime));
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Save();
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}
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public void UnbanPlayer(string name)
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{
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var player = bannedPlayers.Find(bp => bp.Name == name);
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if (player == null)
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{
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DebugConsole.Log("Could not unban player \"" + name + "\". Matching player not found.");
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}
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else
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{
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RemoveBan(player);
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}
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}
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public void UnbanIP(string ip)
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{
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var player = bannedPlayers.Find(bp => bp.IP == ip);
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if (player == null)
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{
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DebugConsole.Log("Could not unban IP \"" + ip + "\". Matching player not found.");
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}
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else
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{
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RemoveBan(player);
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}
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}
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private void RemoveBan(BannedPlayer banned)
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{
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DebugConsole.Log("Removing ban from " + banned.Name);
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GameServer.Log("Removing ban from " + banned.Name, ServerLog.MessageType.ServerMessage);
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bannedPlayers.Remove(banned);
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Save();
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}
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private void RangeBan(BannedPlayer banned)
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{
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banned.IP = ToRange(banned.IP);
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BannedPlayer bp;
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while ((bp = bannedPlayers.Find(x => banned.CompareTo(x.IP))) != null)
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{
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//remove all specific bans that are now covered by the rangeban
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bannedPlayers.Remove(bp);
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}
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bannedPlayers.Add(banned);
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Save();
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}
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public void Save()
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{
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GameServer.Log("Saving banlist", ServerLog.MessageType.ServerMessage);
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bannedPlayers.RemoveAll(bp => bp.ExpirationTime.HasValue && DateTime.Now > bp.ExpirationTime.Value);
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List<string> lines = new List<string>();
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foreach (BannedPlayer banned in bannedPlayers)
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{
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string line = banned.Name;
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line += "," + ((banned.SteamID > 0) ? banned.SteamID.ToString() : banned.IP);
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line += "," + (banned.ExpirationTime.HasValue ? banned.ExpirationTime.Value.ToString() : "");
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if (!string.IsNullOrWhiteSpace(banned.Reason)) line += "," + banned.Reason;
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lines.Add(line);
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}
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try
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{
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File.WriteAllLines(SavePath, lines);
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}
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catch (Exception e)
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{
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DebugConsole.ThrowError("Saving the list of banned players to " + SavePath + " failed", e);
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}
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}
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public void ServerAdminWrite(NetBuffer outMsg, Client c)
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{
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if (!c.HasPermission(ClientPermissions.Ban))
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{
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outMsg.Write(false); outMsg.WritePadBits();
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return;
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}
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outMsg.Write(true);
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outMsg.Write(c.Connection == GameMain.Server.OwnerConnection);
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outMsg.WritePadBits();
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outMsg.WriteVariableInt32(bannedPlayers.Count);
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for (int i = 0; i < bannedPlayers.Count; i++)
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{
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BannedPlayer bannedPlayer = bannedPlayers[i];
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outMsg.Write(bannedPlayer.Name);
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outMsg.Write(bannedPlayer.UniqueIdentifier);
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outMsg.Write(bannedPlayer.IsRangeBan); outMsg.WritePadBits();
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if (c.Connection == GameMain.Server.OwnerConnection)
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{
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outMsg.Write(bannedPlayer.IP);
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outMsg.Write(bannedPlayer.SteamID);
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}
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}
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}
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public bool ServerAdminRead(NetBuffer incMsg, Client c)
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{
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if (!c.HasPermission(ClientPermissions.Ban))
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{
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UInt16 removeCount = incMsg.ReadUInt16();
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incMsg.Position += removeCount * 4 * 8;
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UInt16 rangeBanCount = incMsg.ReadUInt16();
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incMsg.Position += rangeBanCount * 4 * 8;
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return false;
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}
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else
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{
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UInt16 removeCount = incMsg.ReadUInt16();
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for (int i = 0; i < removeCount; i++)
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{
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UInt16 id = incMsg.ReadUInt16();
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BannedPlayer bannedPlayer = bannedPlayers.Find(p => p.UniqueIdentifier == id);
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if (bannedPlayer != null)
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{
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GameServer.Log(c.Name + " unbanned " + bannedPlayer.Name + " (" + bannedPlayer.IP + ")", ServerLog.MessageType.ConsoleUsage);
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RemoveBan(bannedPlayer);
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}
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}
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Int16 rangeBanCount = incMsg.ReadInt16();
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for (int i = 0; i < rangeBanCount; i++)
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{
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UInt16 id = incMsg.ReadUInt16();
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BannedPlayer bannedPlayer = bannedPlayers.Find(p => p.UniqueIdentifier == id);
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if (bannedPlayer != null)
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{
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GameServer.Log(c.Name + " rangebanned " + bannedPlayer.Name + " (" + bannedPlayer.IP + ")", ServerLog.MessageType.ConsoleUsage);
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RangeBan(bannedPlayer);
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}
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}
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return removeCount > 0 || rangeBanCount > 0;
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}
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}
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}
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}
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