source: binary-improvements/7dtd-server-fixes/src/NetConnections/Servers/Telnet/Telnet.cs@ 139

Last change on this file since 139 was 132, checked in by alloc, 10 years ago

Fixes: Source cleanups
File size: 5.1 KB
Line 
1using System;
2using System.Collections.Generic;
3using System.Net;
4using System.Net.Sockets;
5using System.Threading;
6
7namespace AllocsFixes.NetConnections.Servers.Telnet
8{
9 public class Telnet : IServer
10 {
11 private static Thread telnetThread = null;
12 private static TcpListener listener = null;
13 private static bool closed = false;
14 private static bool authEnabled = false;
15 private static List<TelnetConnection> connections = new List<TelnetConnection> ();
16
17 public Telnet (int port)
18 {
19 try {
20 authEnabled = GamePrefs.GetString (EnumGamePrefs.TelnetPassword).Length != 0;
21 if (authEnabled)
22 listener = new TcpListener (IPAddress.Any, port);
23 else
24 listener = new TcpListener (IPAddress.Loopback, port);
25 telnetThread = ThreadMaster.Create ("thread TelnetListenThread", new ThreadStart (telnetListenThread));
26 telnetThread.Start ();
27 Log.Out ("Started Telnet thread on " + port);
28 } catch (Exception e) {
29 Log.Out ("Error in Telnet.ctor: " + e);
30 }
31 }
32
33 private void telnetListenThread ()
34 {
35 try {
36 Log.Out ("Started thread_TelnetListenThread()");
37 listener.Start ();
38 while (!closed) {
39 Thread.Sleep (10);
40 if (listener.Pending ()) {
41 TelnetConnection c = new TelnetConnection (listener.AcceptTcpClient (), authEnabled);
42 connections.Add (c);
43 Log.Out ("Telnet connection from: " + c.GetEndPoint ());
44 if (authEnabled) {
45 c.WriteLine ("Please enter password:");
46 } else {
47 LoginMessage (c);
48 }
49 }
50
51 foreach (TelnetConnection c in connections) {
52 if (c.IsClosed ()) {
53 c.Close ();
54 connections.Remove (c);
55 break;
56 }
57 if (c.Read ()) {
58 string line = lineCorrecter (c.GetLine ());
59 if (!c.IsAuthenticated ()) {
60 if (line.Equals (GamePrefs.GetString (EnumGamePrefs.TelnetPassword))) {
61 c.SetAuthenticated ();
62 c.WriteLine ("Logon successful.");
63 c.WriteLine (string.Empty);
64 c.WriteLine (string.Empty);
65 c.WriteLine (string.Empty);
66 LoginMessage (c);
67 } else {
68 c.WriteLine ("Password incorrect, please enter password:");
69 }
70 } else {
71 if (line.ToLower ().Equals ("exit")) {
72 Log.Out ("Telnet connection closed by client: " + c.GetEndPoint ());
73 c.Close ();
74 connections.Remove (c);
75 break;
76 }
77 Log.Out ("Telnet executed \"" + line + "\" from: " + c.GetEndPoint ());
78 ConsoleOutputSeparator.QueueNetCommand (line, c);
79 }
80 }
81 }
82 }
83 Log.Out ("Exited thread_TelnetListenThread()");
84 ThreadMaster.Remove (Thread.CurrentThread.Name);
85 } catch (Exception ex) {
86 Log.Out ("Error in TelnetListenThread: " + ex.Message);
87 Log.Out ("Stack Trace: " + ex.StackTrace);
88 }
89 }
90
91 private void LoginMessage (TelnetConnection c)
92 {
93 c.WriteLine ("*** Connected with 7DTD server.");
94 c.WriteLine ("*** Dedicated server only build");
95 c.WriteLine ("*** Allocs server fixes loaded");
96 c.WriteLine (string.Empty);
97 c.WriteLine ("Server IP: " +
98 ((GamePrefs.GetString (EnumGamePrefs.ServerIP) != null && GamePrefs.GetString (EnumGamePrefs.ServerIP).Length != 0) ? GamePrefs.GetString (EnumGamePrefs.ServerIP) : "Any")
99 );
100 c.WriteLine ("Server port: " + GamePrefs.GetInt (EnumGamePrefs.ServerPort));
101 c.WriteLine ("Max players: " + GamePrefs.GetInt (EnumGamePrefs.ServerMaxPlayerCount));
102 c.WriteLine ("Game mode: " + GamePrefs.GetString (EnumGamePrefs.GameMode));
103 c.WriteLine ("World: " + GamePrefs.GetString (EnumGamePrefs.GameWorld));
104 c.WriteLine ("Game name: " + GamePrefs.GetString (EnumGamePrefs.GameName));
105 c.WriteLine ("Difficulty: " + GamePrefs.GetInt (EnumGamePrefs.GameDifficulty));
106 c.WriteLine (string.Empty);
107 c.WriteLine ("Press 'help' to get a list of all commands. Press 'exit' to end session.");
108 c.WriteLine (string.Empty);
109 }
110
111 private string lineCorrecter (string line)
112 {
113 string res = "";
114 for (int i = 0; i < line.Length; i++) {
115 if (line [i] >= ' ' && line [i] != '\'' && line [i] <= '~') {
116 res += line [i];
117 }
118 }
119 return res.Trim ();
120 }
121
122 public void Disconnect ()
123 {
124 try {
125 closed = true;
126 if (listener != null) {
127 listener.Stop ();
128 }
129 foreach (TelnetConnection c in connections) {
130 c.Close ();
131 }
132 Thread.Sleep (100);
133 } catch (Exception e) {
134 Log.Out ("Error in Telnet.Disconnect: " + e);
135 }
136 }
137
138 private void RemoveClosedConnections ()
139 {
140 try {
141 foreach (TelnetConnection c in connections) {
142 if (c.IsClosed ()) {
143 c.Close ();
144 }
145 }
146 } catch (Exception e) {
147 Log.Out ("Error in Telnet.RemoveClosedConnections: " + e);
148 }
149 }
150
151 public void WriteToClient (string line)
152 {
153 if (line == null) {
154 return;
155 }
156 RemoveClosedConnections ();
157 foreach (TelnetConnection c in connections) {
158 if (c.IsAuthenticated ())
159 c.WriteLine (line);
160 }
161 }
162
163 public void WriteToClient_Single (string line, IConnection client)
164 {
165 if (line == null) {
166 return;
167 }
168 RemoveClosedConnections ();
169 foreach (TelnetConnection con in connections) {
170 if (con == client) {
171 if (con.IsAuthenticated ())
172 con.WriteLine (line);
173 }
174 }
175 }
176
177 }
178}
179
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