void ValidateClient(Connection newConn, string data)
{
try
{
if (State == ServerState.GameStarted)
{
Log.Write("server", "Rejected connection from {0}; game is already started.",
newConn.Socket.RemoteEndPoint);
SendOrderTo(newConn, "ServerError", "The game has already started");
DropClient(newConn);
return;
}
var handshake = HandshakeResponse.Deserialize(data);
if (!string.IsNullOrEmpty(Settings.Password) && handshake.Password != Settings.Password)
{
var message = string.IsNullOrEmpty(handshake.Password) ? "Server requires a password" : "Incorrect password";
SendOrderTo(newConn, "AuthenticationError", message);
DropClient(newConn);
return;
}
var client = new Session.Client
{
Name = OpenRA.Settings.SanitizedPlayerName(handshake.Client.Name),
IpAddress = ((IPEndPoint)newConn.Socket.RemoteEndPoint).Address.ToString(),
Index = newConn.PlayerIndex,
Slot = LobbyInfo.FirstEmptySlot(),
PreferredColor = handshake.Client.Color,
Color = handshake.Client.Color,
Faction = "Random",
SpawnPoint = 0,
Team = 0,
State = Session.ClientState.Invalid,
IsAdmin = !LobbyInfo.Clients.Any(c1 => c1.IsAdmin)
};
if (client.IsObserver && !LobbyInfo.GlobalSettings.AllowSpectators)
{
SendOrderTo(newConn, "ServerError", "The game is full");
DropClient(newConn);
return;
}
if (client.Slot != null)
SyncClientToPlayerReference(client, Map.Players.Players[client.Slot]);
else
client.Color = HSLColor.FromRGB(255, 255, 255);
if (ModData.Manifest.Id != handshake.Mod)
{
Log.Write("server", "Rejected connection from {0}; mods do not match.",
newConn.Socket.RemoteEndPoint);
SendOrderTo(newConn, "ServerError", "Server is running an incompatible mod");
DropClient(newConn);
return;
}
if (ModData.Manifest.Metadata.Version != handshake.Version && !LobbyInfo.GlobalSettings.AllowVersionMismatch)
{
Log.Write("server", "Rejected connection from {0}; Not running the same version.",
newConn.Socket.RemoteEndPoint);
SendOrderTo(newConn, "ServerError", "Server is running an incompatible version");
DropClient(newConn);
return;
}
// Check if IP is banned
var bans = Settings.Ban.Union(TempBans);
if (bans.Contains(client.IpAddress))
{
Log.Write("server", "Rejected connection from {0}; Banned.", newConn.Socket.RemoteEndPoint);
SendOrderTo(newConn, "ServerError", "You have been {0} from the server".F(Settings.Ban.Contains(client.IpAddress) ? "banned" : "temporarily banned"));
DropClient(newConn);
return;
}
// Promote connection to a valid client
PreConns.Remove(newConn);
Conns.Add(newConn);
LobbyInfo.Clients.Add(client);
var clientPing = new Session.ClientPing { Index = client.Index };
LobbyInfo.ClientPings.Add(clientPing);
Log.Write("server", "Client {0}: Accepted connection from {1}.",
newConn.PlayerIndex, newConn.Socket.RemoteEndPoint);
foreach (var t in serverTraits.WithInterface<IClientJoined>())
t.ClientJoined(this, newConn);
SyncLobbyInfo();
Log.Write("server", "{0} ({1}) has joined the game.",
client.Name, newConn.Socket.RemoteEndPoint);
if (Dedicated || !LobbyInfo.IsSinglePlayer)
SendMessage("{0} has joined the game.".F(client.Name));
// Send initial ping
SendOrderTo(newConn, "Ping", Game.RunTime.ToString(CultureInfo.InvariantCulture));
if (Dedicated)
{
var motdFile = Platform.ResolvePath("^", "motd.txt");
if (!File.Exists(motdFile))
File.WriteAllText(motdFile, "Welcome, have fun and good luck!");
var motd = File.ReadAllText(motdFile);
if (!string.IsNullOrEmpty(motd))
SendOrderTo(newConn, "Message", motd);
}
if (!LobbyInfo.IsSinglePlayer && Map.DefinesUnsafeCustomRules)
SendOrderTo(newConn, "Message", "This map contains custom rules. Game experience may change.");
if (!LobbyInfo.GlobalSettings.EnableSingleplayer)
SendOrderTo(newConn, "Message", TwoHumansRequiredText);
else if (Map.Players.Players.Where(p => p.Value.Playable).All(p => !p.Value.AllowBots))
SendOrderTo(newConn, "Message", "Bots have been disabled on this map.");
if (handshake.Mod == "{DEV_VERSION}")
SendMessage("{0} is running an unversioned development build, ".F(client.Name) +
"and may desynchronize the game state if they have incompatible rules.");
}
catch (Exception ex)
{
Log.Write("server", "Dropping connection {0} because an error occurred:", newConn.Socket.RemoteEndPoint);
Log.Write("server", ex.ToString());
DropClient(newConn);
}
}
void ValidateClient(Connection newConn, string data)
{
try
{
if (State == ServerState.GameStarted)
{
Log.Write("server", "Rejected connection from {0}; game is already started.",
newConn.socket.RemoteEndPoint);
SendOrderTo(newConn, "ServerError", "The game has already started");
DropClient(newConn);
return;
}
var handshake = HandshakeResponse.Deserialize(data);
if (!string.IsNullOrEmpty(Settings.Password) && handshake.Password != Settings.Password)
{
var message = string.IsNullOrEmpty(handshake.Password) ? "Server requires a password" : "Incorrect password";
SendOrderTo(newConn, "AuthenticationError", message);
DropClient(newConn);
return;
}
var client = new Session.Client()
{
Name = handshake.Client.Name,
IpAddress = ((IPEndPoint)newConn.socket.RemoteEndPoint).Address.ToString(),
Index = newConn.PlayerIndex,
Slot = LobbyInfo.FirstEmptySlot(),
PreferredColor = handshake.Client.Color,
Color = handshake.Client.Color,
Country = "random",
SpawnPoint = 0,
Team = 0,
State = Session.ClientState.Invalid,
IsAdmin = !LobbyInfo.Clients.Any(c1 => c1.IsAdmin)
};
if (client.IsObserver && !LobbyInfo.GlobalSettings.AllowSpectators)
{
SendOrderTo(newConn, "ServerError", "The game is full");
DropClient(newConn);
return;
}
if (client.Slot != null)
SyncClientToPlayerReference(client, Map.Players[client.Slot]);
else
client.Color = HSLColor.FromRGB(255, 255, 255);
if (ModData.Manifest.Mod.Id != handshake.Mod)
{
Log.Write("server", "Rejected connection from {0}; mods do not match.",
newConn.socket.RemoteEndPoint);
SendOrderTo(newConn, "ServerError", "Server is running an incompatible mod");
DropClient(newConn);
return;
}
if (ModData.Manifest.Mod.Version != handshake.Version && !LobbyInfo.GlobalSettings.AllowVersionMismatch)
{
Log.Write("server", "Rejected connection from {0}; Not running the same version.",
newConn.socket.RemoteEndPoint);
SendOrderTo(newConn, "ServerError", "Server is running an incompatible version");
DropClient(newConn);
return;
}
// Check if IP is banned
var bans = Settings.Ban.Union(TempBans);
if (bans.Contains(client.IpAddress))
{
Log.Write("server", "Rejected connection from {0}; Banned.", newConn.socket.RemoteEndPoint);
SendOrderTo(newConn, "ServerError", "You have been {0} from the server".F(Settings.Ban.Contains(client.IpAddress) ? "banned" : "temporarily banned"));
DropClient(newConn);
return;
}
// Promote connection to a valid client
PreConns.Remove(newConn);
Conns.Add(newConn);
LobbyInfo.Clients.Add(client);
var clientPing = new Session.ClientPing();
clientPing.Index = client.Index;
LobbyInfo.ClientPings.Add(clientPing);
Log.Write("server", "Client {0}: Accepted connection from {1}.",
newConn.PlayerIndex, newConn.socket.RemoteEndPoint);
foreach (var t in serverTraits.WithInterface<IClientJoined>())
t.ClientJoined(this, newConn);
SyncLobbyInfo();
SendMessage("{0} has joined the server.".F(client.Name));
// Send initial ping
SendOrderTo(newConn, "Ping", Environment.TickCount.ToString());
if (Settings.Dedicated)
{
var motdFile = Path.Combine(Platform.SupportDir, "motd.txt");
if (!File.Exists(motdFile))
System.IO.File.WriteAllText(motdFile, "Welcome, have fun and good luck!");
var motd = System.IO.File.ReadAllText(motdFile);
if (!string.IsNullOrEmpty(motd))
SendOrderTo(newConn, "Message", motd);
}
if (handshake.Mod == "{DEV_VERSION}")
SendMessage("{0} is running an unversioned development build, ".F(client.Name) +
"and may desynchronize the game state if they have incompatible rules.");
SetOrderLag();
}
catch (Exception) { DropClient(newConn); }
}