private qsocket_t ProcessRequestServerInfo(Socket acceptsock, EndPoint clientaddr)
{
var tmp = Host.Network.Reader.ReadString();
if (tmp != "QUAKE")
{
return(null);
}
Host.Network.Message.Clear();
// save space for the header, filled in later
Host.Network.Message.WriteLong(0);
Host.Network.Message.WriteByte(CCRep.CCREP_SERVER_INFO);
var newaddr = acceptsock.LocalEndPoint; //dfunc.GetSocketAddr(acceptsock, &newaddr);
Host.Network.Message.WriteString(newaddr.ToString()); // dfunc.AddrToString(&newaddr));
Host.Network.Message.WriteString(Host.Network.HostName);
Host.Network.Message.WriteString(Host.Server.sv.name);
Host.Network.Message.WriteByte(Host.Network.ActiveConnections);
Host.Network.Message.WriteByte(Host.Server.svs.maxclients);
Host.Network.Message.WriteByte(NetworkDef.NET_PROTOCOL_VERSION);
Utilities.WriteInt(Host.Network.Message.Data, 0, EndianHelper.BigLong(NetFlags.NETFLAG_CTL |
(Host.Network.Message.Length & NetFlags.NETFLAG_LENGTH_MASK)));
Host.Network.LanDriver.Write(acceptsock, Host.Network.Message.Data, Host.Network.Message.Length, clientaddr);
Host.Network.Message.Clear();
return(null);
}
/// <summary>
/// _Datagram_CheckNewConnections
/// </summary>
public qsocket_t InternalCheckNewConnections( )
{
var acceptsock = Host.Network.LanDriver.CheckNewConnections( );
if (acceptsock == null)
{
return(null);
}
EndPoint clientaddr = new IPEndPoint(IPAddress.Any, 0);
Host.Network.Message.FillFrom(Host.Network, acceptsock, ref clientaddr);
if (Host.Network.Message.Length < sizeof(Int32))
{
return(null);
}
Host.Network.Reader.Reset( );
var control = EndianHelper.BigLong(Host.Network.Reader.ReadLong( ));
var isControlInvalid = (control == -1 ||
((control & (~NetFlags.NETFLAG_LENGTH_MASK)) != NetFlags.NETFLAG_CTL) ||
(control & NetFlags.NETFLAG_LENGTH_MASK) != Host.Network.Message.Length);
if (isControlInvalid)
{
return(null);
}
var command = Host.Network.Reader.ReadByte( );
switch (command)
{
case CCReq.CCREQ_SERVER_INFO:
return(ProcessRequestServerInfo(acceptsock, clientaddr));
case CCReq.CCREQ_PLAYER_INFO:
return(ProcessRequestPlayerInfo(acceptsock, clientaddr));
case CCReq.CCREQ_RULE_INFO:
return(ProcessRequestRuleInfo(acceptsock, clientaddr));
case CCReq.CCREQ_CONNECT:
if (Host.Network.Reader.ReadString() != "QUAKE")
{
return(null);
}
if (Host.Network.Reader.ReadByte() != NetworkDef.NET_PROTOCOL_VERSION)
{
return(ProcessInvalidProtocol(acceptsock, clientaddr));
}
#if BAN_TEST
// check for a ban
if (clientaddr.sa_family == AF_INET)
{
unsigned long testAddr;
testAddr = ((struct sockaddr_in *)&clientaddr)->sin_addr.s_addr;
private qsocket_t ProcessRequestRuleInfo(Socket acceptsock, EndPoint clientaddr)
{
// find the search start location
var prevCvarName = Host.Network.Reader.ReadString();
ClientVariable var;
if (!String.IsNullOrEmpty(prevCvarName))
{
var = Host.CVars.Get(prevCvarName);
if (var == null)
{
return(null);
}
var index = Host.CVars.IndexOf(var.Name);
var = Host.CVars.GetByIndex(index + 1);
}
else
{
var = Host.CVars.GetByIndex(0);
}
// search for the next server cvar
while (var != null)
{
if (var.IsServer)
{
break;
}
var index = Host.CVars.IndexOf(var.Name);
var = Host.CVars.GetByIndex(index + 1);
}
// send the response
Host.Network.Message.Clear();
// save space for the header, filled in later
Host.Network.Message.WriteLong(0);
Host.Network.Message.WriteByte(CCRep.CCREP_RULE_INFO);
if (var != null)
{
Host.Network.Message.WriteString(var.Name);
Host.Network.Message.WriteString(var.Get().ToString());
}
Utilities.WriteInt(Host.Network.Message.Data, 0, EndianHelper.BigLong(NetFlags.NETFLAG_CTL |
(Host.Network.Message.Length & NetFlags.NETFLAG_LENGTH_MASK)));
Host.Network.LanDriver.Write(acceptsock, Host.Network.Message.Data, Host.Network.Message.Length, clientaddr);
Host.Network.Message.Clear();
return(null);
}
private qsocket_t ProcessInvalidProtocol(Socket acceptsock, EndPoint clientaddr)
{
Host.Network.Message.Clear();
// save space for the header, filled in later
Host.Network.Message.WriteLong(0);
Host.Network.Message.WriteByte(CCRep.CCREP_REJECT);
Host.Network.Message.WriteString("Incompatible version.\n");
Utilities.WriteInt(Host.Network.Message.Data, 0, EndianHelper.BigLong(NetFlags.NETFLAG_CTL |
(Host.Network.Message.Length & NetFlags.NETFLAG_LENGTH_MASK)));
Host.Network.LanDriver.Write(acceptsock, Host.Network.Message.Data, Host.Network.Message.Length, clientaddr);
Host.Network.Message.Clear();
return(null);
}
private void SendHostDetails(Socket acceptsock, Socket newsock, EndPoint clientaddr)
{
Host.Network.Message.Clear();
// save space for the header, filled in later
Host.Network.Message.WriteLong(0);
Host.Network.Message.WriteByte(CCRep.CCREP_ACCEPT);
var newaddr2 = newsock.LocalEndPoint;// dfunc.GetSocketAddr(newsock, &newaddr);
Host.Network.Message.WriteLong(Host.Network.LanDriver.GetSocketPort(newaddr2));
Utilities.WriteInt(Host.Network.Message.Data, 0, EndianHelper.BigLong(NetFlags.NETFLAG_CTL |
(Host.Network.Message.Length & NetFlags.NETFLAG_LENGTH_MASK)));
Host.Network.LanDriver.Write(acceptsock, Host.Network.Message.Data, Host.Network.Message.Length, clientaddr);
Host.Network.Message.Clear();
}
private Boolean CheckForExistingConnection(Socket acceptsock, EndPoint clientaddr)
{
var exit = false;
// see if this guy is already connected
foreach (var s in Host.Network.ActiveSockets)
{
if (s.driver != Host.Network.DriverLevel)
{
continue;
}
var ret = Host.Network.LanDriver.AddrCompare(clientaddr, s.addr);
if (ret >= 0)
{
// is this a duplicate connection reqeust?
if (ret == 0 && Host.Network.Time - s.connecttime < 2.0)
{
// yes, so send a duplicate reply
Host.Network.Message.Clear();
// save space for the header, filled in later
Host.Network.Message.WriteLong(0);
Host.Network.Message.WriteByte(CCRep.CCREP_ACCEPT);
var newaddr = s.socket.LocalEndPoint; //dfunc.GetSocketAddr(s.socket, &newaddr);
Host.Network.Message.WriteLong(Host.Network.LanDriver.GetSocketPort(newaddr));
Utilities.WriteInt(Host.Network.Message.Data, 0, EndianHelper.BigLong(NetFlags.NETFLAG_CTL |
(Host.Network.Message.Length & NetFlags.NETFLAG_LENGTH_MASK)));
Host.Network.LanDriver.Write(acceptsock, Host.Network.Message.Data, Host.Network.Message.Length, clientaddr);
Host.Network.Message.Clear();
exit = true;
}
// it's somebody coming back in from a crash/disconnect
// so close the old qsocket and let their retry get them back in
if (!exit)
{
Host.Network.Close(s);
exit = true;
}
}
if (exit)
{
break;
}
}
return(exit);
}
private qsocket_t ProcessRequestPlayerInfo(Socket acceptsock, EndPoint clientaddr)
{
var playerNumber = Host.Network.Reader.ReadByte();
Int32 clientNumber, activeNumber = -1;
client_t client = null;
for (clientNumber = 0; clientNumber < Host.Server.svs.maxclients; clientNumber++)
{
client = Host.Server.svs.clients[clientNumber];
if (client.active)
{
activeNumber++;
if (activeNumber == playerNumber)
{
break;
}
}
}
if (clientNumber == Host.Server.svs.maxclients)
{
return(null);
}
Host.Network.Message.Clear();
// save space for the header, filled in later
Host.Network.Message.WriteLong(0);
Host.Network.Message.WriteByte(CCRep.CCREP_PLAYER_INFO);
Host.Network.Message.WriteByte(playerNumber);
Host.Network.Message.WriteString(client.name);
Host.Network.Message.WriteLong(client.colors);
Host.Network.Message.WriteLong(( Int32 )client.edict.v.frags);
Host.Network.Message.WriteLong(( Int32 )(Host.Network.Time - client.netconnection.connecttime));
Host.Network.Message.WriteString(client.netconnection.address);
Utilities.WriteInt(Host.Network.Message.Data, 0, EndianHelper.BigLong(NetFlags.NETFLAG_CTL |
(Host.Network.Message.Length & NetFlags.NETFLAG_LENGTH_MASK)));
Host.Network.LanDriver.Write(acceptsock, Host.Network.Message.Data, Host.Network.Message.Length, clientaddr);
Host.Network.Message.Clear();
return(null);
}
private Boolean AllocateQSocket(Socket acceptsock, EndPoint clientaddr, out qsocket_t sock)
{
var success = true;
// allocate a QSocket
sock = Host.Network.NewSocket();
if (sock == null)
{
// no room; try to let him know
Host.Network.Message.Clear();
// save space for the header, filled in later
Host.Network.Message.WriteLong(0);
Host.Network.Message.WriteByte(CCRep.CCREP_REJECT);
Host.Network.Message.WriteString("Server is full.\n");
Utilities.WriteInt(Host.Network.Message.Data, 0, EndianHelper.BigLong(NetFlags.NETFLAG_CTL |
(Host.Network.Message.Length & NetFlags.NETFLAG_LENGTH_MASK)));
Host.Network.LanDriver.Write(acceptsock, Host.Network.Message.Data, Host.Network.Message.Length, clientaddr);
Host.Network.Message.Clear();
success = false;
}
return(success);
}
/// <summary>
/// _Datagram_CheckNewConnections
/// </summary>
public qsocket_t InternalCheckNewConnections( )
{
var acceptsock = Host.Network.LanDriver.CheckNewConnections( );
if (acceptsock == null)
{
return(null);
}
EndPoint clientaddr = new IPEndPoint(IPAddress.Any, 0);
Host.Network.Message.FillFrom(Host.Network, acceptsock, ref clientaddr);
if (Host.Network.Message.Length < sizeof(Int32))
{
return(null);
}
Host.Network.Reader.Reset( );
var control = EndianHelper.BigLong(Host.Network.Reader.ReadLong( ));
if (control == -1)
{
return(null);
}
if ((control & (~NetFlags.NETFLAG_LENGTH_MASK)) != NetFlags.NETFLAG_CTL)
{
return(null);
}
if ((control & NetFlags.NETFLAG_LENGTH_MASK) != Host.Network.Message.Length)
{
return(null);
}
var command = Host.Network.Reader.ReadByte( );
if (command == CCReq.CCREQ_SERVER_INFO)
{
var tmp = Host.Network.Reader.ReadString( );
if (tmp != "QUAKE")
{
return(null);
}
Host.Network.Message.Clear( );
// save space for the header, filled in later
Host.Network.Message.WriteLong(0);
Host.Network.Message.WriteByte(CCRep.CCREP_SERVER_INFO);
var newaddr = acceptsock.LocalEndPoint; //dfunc.GetSocketAddr(acceptsock, &newaddr);
Host.Network.Message.WriteString(newaddr.ToString( )); // dfunc.AddrToString(&newaddr));
Host.Network.Message.WriteString(Host.Network.HostName);
Host.Network.Message.WriteString(Host.Server.sv.name);
Host.Network.Message.WriteByte(Host.Network.ActiveConnections);
Host.Network.Message.WriteByte(Host.Server.svs.maxclients);
Host.Network.Message.WriteByte(NetworkDef.NET_PROTOCOL_VERSION);
Utilities.WriteInt(Host.Network.Message.Data, 0, EndianHelper.BigLong(NetFlags.NETFLAG_CTL |
(Host.Network.Message.Length & NetFlags.NETFLAG_LENGTH_MASK)));
Host.Network.LanDriver.Write(acceptsock, Host.Network.Message.Data, Host.Network.Message.Length, clientaddr);
Host.Network.Message.Clear( );
return(null);
}
if (command == CCReq.CCREQ_PLAYER_INFO)
{
var playerNumber = Host.Network.Reader.ReadByte( );
Int32 clientNumber, activeNumber = -1;
client_t client = null;
for (clientNumber = 0; clientNumber < Host.Server.svs.maxclients; clientNumber++)
{
client = Host.Server.svs.clients[clientNumber];
if (client.active)
{
activeNumber++;
if (activeNumber == playerNumber)
{
break;
}
}
}
if (clientNumber == Host.Server.svs.maxclients)
{
return(null);
}
Host.Network.Message.Clear( );
// save space for the header, filled in later
Host.Network.Message.WriteLong(0);
Host.Network.Message.WriteByte(CCRep.CCREP_PLAYER_INFO);
Host.Network.Message.WriteByte(playerNumber);
Host.Network.Message.WriteString(client.name);
Host.Network.Message.WriteLong(client.colors);
Host.Network.Message.WriteLong(( Int32 )client.edict.v.frags);
Host.Network.Message.WriteLong(( Int32 )(Host.Network.Time - client.netconnection.connecttime));
Host.Network.Message.WriteString(client.netconnection.address);
Utilities.WriteInt(Host.Network.Message.Data, 0, EndianHelper.BigLong(NetFlags.NETFLAG_CTL |
(Host.Network.Message.Length & NetFlags.NETFLAG_LENGTH_MASK)));
Host.Network.LanDriver.Write(acceptsock, Host.Network.Message.Data, Host.Network.Message.Length, clientaddr);
Host.Network.Message.Clear( );
return(null);
}
if (command == CCReq.CCREQ_RULE_INFO)
{
// find the search start location
var prevCvarName = Host.Network.Reader.ReadString( );
ClientVariable var;
if (!String.IsNullOrEmpty(prevCvarName))
{
var = Host.CVars.Get(prevCvarName);
if (var == null)
{
return(null);
}
var index = Host.CVars.IndexOf(var.Name);
var = Host.CVars.GetByIndex(index + 1);
}
else
{
var = Host.CVars.GetByIndex(0);
}
// search for the next server cvar
while (var != null)
{
if (var.IsServer)
{
break;
}
var index = Host.CVars.IndexOf(var.Name);
var = Host.CVars.GetByIndex(index + 1);
}
// send the response
Host.Network.Message.Clear( );
// save space for the header, filled in later
Host.Network.Message.WriteLong(0);
Host.Network.Message.WriteByte(CCRep.CCREP_RULE_INFO);
if (var != null)
{
Host.Network.Message.WriteString(var.Name);
Host.Network.Message.WriteString(var.Get( ).ToString( ));
}
Utilities.WriteInt(Host.Network.Message.Data, 0, EndianHelper.BigLong(NetFlags.NETFLAG_CTL |
(Host.Network.Message.Length & NetFlags.NETFLAG_LENGTH_MASK)));
Host.Network.LanDriver.Write(acceptsock, Host.Network.Message.Data, Host.Network.Message.Length, clientaddr);
Host.Network.Message.Clear( );
return(null);
}
if (command != CCReq.CCREQ_CONNECT)
{
return(null);
}
if (Host.Network.Reader.ReadString( ) != "QUAKE")
{
return(null);
}
if (Host.Network.Reader.ReadByte( ) != NetworkDef.NET_PROTOCOL_VERSION)
{
Host.Network.Message.Clear( );
// save space for the header, filled in later
Host.Network.Message.WriteLong(0);
Host.Network.Message.WriteByte(CCRep.CCREP_REJECT);
Host.Network.Message.WriteString("Incompatible version.\n");
Utilities.WriteInt(Host.Network.Message.Data, 0, EndianHelper.BigLong(NetFlags.NETFLAG_CTL |
(Host.Network.Message.Length & NetFlags.NETFLAG_LENGTH_MASK)));
Host.Network.LanDriver.Write(acceptsock, Host.Network.Message.Data, Host.Network.Message.Length, clientaddr);
Host.Network.Message.Clear( );
return(null);
}
#if BAN_TEST
// check for a ban
if (clientaddr.sa_family == AF_INET)
{
unsigned long testAddr;
testAddr = ((struct sockaddr_in *)&clientaddr)->sin_addr.s_addr;
