void server_PacketReceived(object sender, UdpPacketReceivedEventArgs e)
{
var packet = e.Packet;
var reader = packet.GetReader();
var request = new IPRequestPacket1(reader);
if (request.Type3 == 0x14) // only type we handle right now?
{
Log.Debug("Handling IP request from " + request.XUID.ToString("X16"));
bool breakNAT = false;
if (!Client.IsHostAllowed(request.XUID))
{
breakNAT = true;
}
/*var lclient = Client.Get(request.XUID);
* bool breakGame = false;
* if (lclient.GameVersion != 0)
* {
* if (!Client.IsVersionAllowed(lclient.GameVersion, lclient.GameBuild))
* {
* breakGame = true;
* }
* }*/
// we don't have what client thinks is his port, but this is just an override anyway
var responsePacket = new IPResponsePacket1(packet.GetSource(), request.Sequence, false, breakNAT);
var response = packet.MakeResponse();
responsePacket.Write(response.GetWriter());
response.Send();
if (!breakNAT && packet.GetSource().Port >= 28960 && packet.GetSource().Port <= 29960)
{
responsePacket = new IPResponsePacket1(packet.GetSource(), request.Sequence, true, false);
response = packet.MakeResponse();
responsePacket.Write(response.GetWriter());
response.Send();
}
}
// and afterwards, update client's stuff
var client = Client.Get(request.XUID);
client.SetLastTouched();
}
void server_PacketReceived(object sender, UdpPacketReceivedEventArgs e)
{
var packet = e.Packet;
var reader = packet.GetReader();
var type = reader.ReadByte();
if (type == 0xE)
{
var request = new LogRequestPacket1(reader);
if (request.GameVersion == 0 || (request.InternalIP.Port < 28960 || request.InternalIP.Port > 28970))
{
// update 'last touched', possibly re-set state
var client = Client.Get(request.XUID);
client.SetLastTouched();
if (!client.IsMatched)
{
client.CurrentState = 0x417D;
}
// only send 0E 02 00 here
var response = packet.MakeResponse();
var writer = response.GetWriter();
writer.Write(new byte[] { 0x0E, 0x02, 0x00 });
response.Send();
}
else
{
bool allowedVersion = true;
Log.Data(string.Format("Player connecting {0} from {1} version {2}.{3} XUID {4}", request.GamerTag, request.ExternalIP, request.GameVersion, request.GameBuild, request.XUID.ToString("X16")));
if (!Client.IsVersionAllowed(request.GameVersion, request.GameBuild))
{
// no return, we need to keep the version logged for later packets
Log.Warn(string.Format("Client {0} attempted to connect with disallowed version {1}.{2}.", request.GamerTag, request.GameVersion, request.GameBuild));
// to send 'fake' data
allowedVersion = false;
}
var client = Client.Get(request.XUID);
client.SetFromLog(request);
var tempStats = new List<LogStatistics>();
/*
tempStats.Add(new LogStatistics(0x2ee0, 1));
tempStats.Add(new LogStatistics(1, 2));
tempStats.Add(new LogStatistics(0x417f, 3));
tempStats.Add(new LogStatistics(0x417e, 4));
tempStats.Add(new LogStatistics(5, 5));
tempStats.Add(new LogStatistics(13, 6));
tempStats.Add(new LogStatistics(0x3a98, 7));
tempStats.Add(new LogStatistics(4, 8));
tempStats.Add(new LogStatistics(3, 9));
tempStats.Add(new LogStatistics(2, 10));
tempStats.Add(new LogStatistics(17, 11));
tempStats.Add(new LogStatistics(17, 12));
tempStats.Add(new LogStatistics(6, 13));
tempStats.Add(new LogStatistics(9, 14));
tempStats.Add(new LogStatistics(15, 16));
tempStats.Add(new LogStatistics(0x416e, 17));
tempStats.Add(new LogStatistics(7, 18));
tempStats.Add(new LogStatistics(0x417d, 19));
tempStats.Add(new LogStatistics(8, 20));
tempStats.Add(new LogStatistics(12, 21));
tempStats.Add(new LogStatistics(16, 22));
tempStats.Add(new LogStatistics(14, 23));
tempStats.Add(new LogStatistics(0x2ee0, 24));
tempStats.Add(new LogStatistics(11, 25));
tempStats.Add(new LogStatistics(10, 26));
*/
var responsePacket = new LogResponsePacket1(client.XUID);
if (allowedVersion)
{
responsePacket.SetStatistics(Client.GetStatistics());
}
else
{
var fakeStats = new List<LogStatistics>();
fakeStats.Add(new LogStatistics(1, 28789)); //up
fakeStats.Add(new LogStatistics(2, 24932)); //da
fakeStats.Add(new LogStatistics(3, 25972)); //te
for (short i = 4; i <= 19; i++)
{
fakeStats.Add(new LogStatistics(i, 1337));
}
responsePacket.SetStatistics(fakeStats);
/*if (request.GameBuild < 40)
{
responsePacket.SetBetaClosed();
}
else
{*/
responsePacket.SetOldBuild();
//}
}
if ((request.XUID & 0xFFFFFFFF) == 2)
{
Log.Info(string.Format("Non-allowed client (IDGEN) (XUID {0}) tried to connect", request.XUID));
responsePacket.SetBetaClosed();
}
if (!Client.IsAllowed(request.XUID))
{
Log.Info(string.Format("Non-allowed client (XUID {0}) tried to connect", request.XUID));
responsePacket.SetBanned();
}
if (!Client.IsAllowed(client.XUIDAlias))
{
Log.Info(string.Format("Non-allowed client (XUID {0}) tried to connect", request.XUID));
responsePacket.SetBanned();
}
var ipAddress = packet.GetSource().Address;
if (!Client.IsAllowed(ipAddress))
{
Log.Info(string.Format("Non-allowed client (IP {0}) tried to connect", ipAddress));
responsePacket.SetBanned();
}
if (!packet.Secure)
{
if (allowedVersion)
{
Log.Info(string.Format("Client (IP {0}) tried to connect with insecure packet.", ipAddress));
}
responsePacket.SetOldBuild();
}
var response = packet.MakeResponse();
responsePacket.Write(response.GetWriter());
response.Send();
}
}
else if (type == 0xFD)
{
if (!packet.Secure)
{
return;
}
long realID = (0x0110000100000000 | reader.ReadInt32());
long fakeID = (0x0110000100000000 | reader.ReadInt32());
if (realID == fakeID)
{
return;
}
var client = Client.Get(realID);
client.XUIDAlias = fakeID;
}
}
void server_PacketReceived(object sender, UdpPacketReceivedEventArgs e)
{
var packet = e.Packet;
var reader = packet.GetReader();
var request = new IPRequestPacket1(reader);
if (request.Type3 == 0x14) // only type we handle right now?
{
Log.Debug("Handling IP request from " + request.XUID.ToString("X16"));
bool breakGame = false;
bool breakNAT = false;
if (!Client.IsHostAllowed(request.XUID))
{
breakNAT = true;
}
/*var lclient = Client.Get(request.XUID);
if (lclient.GameVersion != 0)
{
if (!Client.IsVersionAllowed(lclient.GameVersion, lclient.GameBuild))
{
breakGame = true;
}
}*/
// we don't have what client thinks is his port, but this is just an override anyway
var responsePacket = new IPResponsePacket1(packet.GetSource(), request.Sequence, false, breakNAT);
var response = packet.MakeResponse();
responsePacket.Write(response.GetWriter());
response.Send();
if (!breakNAT && packet.GetSource().Port >= 28960 && packet.GetSource().Port <= 29960)
{
responsePacket = new IPResponsePacket1(packet.GetSource(), request.Sequence, true, false);
response = packet.MakeResponse();
responsePacket.Write(response.GetWriter());
response.Send();
}
}
// and afterwards, update client's stuff
var client = Client.Get(request.XUID);
client.SetLastTouched();
}
void server_PacketReceived(object sender, UdpPacketReceivedEventArgs e)
{
var packet = e.Packet;
var reader = packet.GetReader();
var type = reader.ReadByte();
if (type == 0xCD) // CI packet, lol
{
// read another byte to skip double CD
if (reader.ReadByte() != 0xCD)
{
// ignore the packet if it's old client
return;
}
// build an non-ruined byte array
var key = new byte[] { 0x45, 0x5E, 0x1A, 0x2D, 0x5C, 0x13, 0x37, 0x1E };
var bytes = new byte[((int)reader.BaseStream.Length - 4) / 4];
var ib = reader.ReadBytes((int)(reader.BaseStream.Length - 2));
var tb = 0x00;
var i = 0;
var j = 0;
while (true)
{
tb = ib[i];
if (tb == 0xDC)
{
if (i < (ib.Length - 1))
{
if (ib[i + 1] == 0xDC)
{
break;
}
}
}
if ((i % 4) == 0)
{
bytes[j] = (byte)(tb ^ key[j % 8]);
j++;
}
i++;
}
// make a new reader
var stream = new MemoryStream(bytes);
var nreader = new BinaryReader(stream);
var xuid = (0x0110000100000000 | nreader.ReadUInt32());
var status = nreader.ReadUInt16();
// prevent unknown clients from being logged
if (!Client.Exists(xuid))
{
return;
}
// only allow client to flag themselves, not other people
var nativeClient = Client.Get(xuid);
if (!nativeClient.ExternalIP.Address.Equals(packet.GetSource().Address)) // only used address, port might differ,
// which likely explains why jerbob's fix caused
// false flaggings due to missed heartbeats.
{
return;
}
var client = Get(xuid);
client.Unclean = (status != 0xCA3E && status > 0);
//if (status != client.LastStatus)
//{
if (status != 0xCA3E && status > 0)
{
Log.Info(string.Format("{0} got marked unclean (cur: {1} ({3}) - old: {2} ({4})).", xuid.ToString("X16"), status, client.LastStatus, DescribeStatus(status), DescribeStatus(client.LastStatus)));
client.LastStatus = status;
}
//}
}
}
void server_PacketReceived(object sender, UdpPacketReceivedEventArgs e)
{
var packet = e.Packet;
var reader = packet.GetReader();
var type = reader.ReadByte();
if (type == 0xE)
{
var request = new LogRequestPacket1(reader);
if (request.GameVersion == 0 || (request.InternalIP.Port < 28960 || request.InternalIP.Port > 28970))
{
// update 'last touched', possibly re-set state
var client = Client.Get(request.XUID);
client.SetLastTouched();
if (!client.IsMatched)
{
client.CurrentState = 0x417D;
}
// only send 0E 02 00 here
var response = packet.MakeResponse();
var writer = response.GetWriter();
writer.Write(new byte[] { 0x0E, 0x02, 0x00 });
response.Send();
}
else
{
bool allowedVersion = true;
Log.Data(string.Format("Player connecting {0} from {1} version {2}.{3} XUID {4}", request.GamerTag, request.ExternalIP, request.GameVersion, request.GameBuild, request.XUID.ToString("X16")));
if (!Client.IsVersionAllowed(request.GameVersion, request.GameBuild))
{
// no return, we need to keep the version logged for later packets
Log.Warn(string.Format("Client {0} attempted to connect with disallowed version {1}.{2}.", request.GamerTag, request.GameVersion, request.GameBuild));
// to send 'fake' data
allowedVersion = false;
}
var client = Client.Get(request.XUID);
client.SetFromLog(request);
var tempStats = new List <LogStatistics>();
/*
* tempStats.Add(new LogStatistics(0x2ee0, 1));
* tempStats.Add(new LogStatistics(1, 2));
* tempStats.Add(new LogStatistics(0x417f, 3));
* tempStats.Add(new LogStatistics(0x417e, 4));
* tempStats.Add(new LogStatistics(5, 5));
* tempStats.Add(new LogStatistics(13, 6));
* tempStats.Add(new LogStatistics(0x3a98, 7));
* tempStats.Add(new LogStatistics(4, 8));
* tempStats.Add(new LogStatistics(3, 9));
* tempStats.Add(new LogStatistics(2, 10));
* tempStats.Add(new LogStatistics(17, 11));
* tempStats.Add(new LogStatistics(17, 12));
* tempStats.Add(new LogStatistics(6, 13));
* tempStats.Add(new LogStatistics(9, 14));
* tempStats.Add(new LogStatistics(15, 16));
* tempStats.Add(new LogStatistics(0x416e, 17));
* tempStats.Add(new LogStatistics(7, 18));
* tempStats.Add(new LogStatistics(0x417d, 19));
* tempStats.Add(new LogStatistics(8, 20));
* tempStats.Add(new LogStatistics(12, 21));
* tempStats.Add(new LogStatistics(16, 22));
* tempStats.Add(new LogStatistics(14, 23));
* tempStats.Add(new LogStatistics(0x2ee0, 24));
* tempStats.Add(new LogStatistics(11, 25));
* tempStats.Add(new LogStatistics(10, 26));
*/
var responsePacket = new LogResponsePacket1(client.XUID);
if (allowedVersion)
{
responsePacket.SetStatistics(Client.GetStatistics());
}
else
{
var fakeStats = new List <LogStatistics>();
fakeStats.Add(new LogStatistics(1, 28789)); //up
fakeStats.Add(new LogStatistics(2, 24932)); //da
fakeStats.Add(new LogStatistics(3, 25972)); //te
for (short i = 4; i <= 19; i++)
{
fakeStats.Add(new LogStatistics(i, 1337));
}
responsePacket.SetStatistics(fakeStats);
/*if (request.GameBuild < 40)
* {
* responsePacket.SetBetaClosed();
* }
* else
* {*/
responsePacket.SetOldBuild();
//}
}
if ((request.XUID & 0xFFFFFFFF) == 2)
{
Log.Info(string.Format("Non-allowed client (IDGEN) (XUID {0}) tried to connect", request.XUID));
responsePacket.SetBetaClosed();
}
if (!Client.IsAllowed(request.XUID))
{
Log.Info(string.Format("Non-allowed client (XUID {0}) tried to connect", request.XUID));
responsePacket.SetBanned();
}
if (!Client.IsAllowed(client.XUIDAlias))
{
Log.Info(string.Format("Non-allowed client (XUID {0}) tried to connect", request.XUID));
responsePacket.SetBanned();
}
var ipAddress = packet.GetSource().Address;
if (!Client.IsAllowed(ipAddress))
{
Log.Info(string.Format("Non-allowed client (IP {0}) tried to connect", ipAddress));
responsePacket.SetBanned();
}
if (!packet.Secure)
{
if (allowedVersion)
{
Log.Info(string.Format("Client (IP {0}) tried to connect with insecure packet.", ipAddress));
}
responsePacket.SetOldBuild();
}
var response = packet.MakeResponse();
responsePacket.Write(response.GetWriter());
response.Send();
}
}
else if (type == 0xFD)
{
if (!packet.Secure)
{
return;
}
long realID = (0x0110000100000000 | reader.ReadInt32());
long fakeID = (0x0110000100000000 | reader.ReadInt32());
if (realID == fakeID)
{
return;
}
var client = Client.Get(realID);
client.XUIDAlias = fakeID;
}
}
void server_PacketReceived(object sender, UdpPacketReceivedEventArgs e)
{
var packet = e.Packet;
var reader = packet.GetReader();
var basePacket = new MatchBaseRequestPacket(reader);
var client = Client.Get(basePacket.XUID);
/*if (!Client.IsAllowed(basePacket.XUID))
{
Log.Info(string.Format("Non-allowed client (XUID {0}) tried to get matches", basePacket.XUID.ToString("X16")));
return;
}
if (!Client.IsAllowed(client.XUIDAlias))
{
Log.Info(string.Format("Non-allowed client (XUID {0}) tried to get matches", basePacket.XUID.ToString("X16")));
return;
}*/
var ipAddress = packet.GetSource().Address;
if (!Client.IsAllowed(ipAddress))
{
Log.Info(string.Format("Non-allowed client (IP {0}) tried to get matches", ipAddress));
return;
}
client.SetLastTouched();
client.CurrentState = _playlist;
client.SetLastMatched();
if (!Client.IsVersionAllowed(client.GameVersion, client.GameBuild))
{
return;
}
var sessions = from session in Sessions
where session.HostXUID == client.XUID && (DateTime.Now - session.LastTouched).TotalSeconds < 120
select session;
if (sessions.Count() > 0)
{
var session = sessions.First();
if (CIServer.IsUnclean(session.HostXUID, packet.GetSource().Address))
{
session.Unclean = true;
}
foreach (var updateClient in session.Clients)
{
var updClient = Client.Get(updateClient.XUID);
updClient.CurrentState = _playlist;
updClient.SetLastTouched();
updClient.SetLastMatched();
}
}
if (_handlers.ContainsKey(basePacket.CommandType))
{
_handlers[basePacket.CommandType].HandleCommand(this, client, packet, basePacket);
}
else
{
Log.Info(string.Format("Client {0} sent unknown match packet {1}", basePacket.XUID.ToString("X16"), basePacket.CommandType));
}
}
void server_PacketReceived(object sender, UdpPacketReceivedEventArgs e)
{
var packet = e.Packet;
var reader = packet.GetReader();
var type = reader.ReadByte();
if (type == 0xCD) // CI packet, lol
{
// read another byte to skip double CD
if (reader.ReadByte() != 0xCD)
{
// ignore the packet if it's old client
return;
}
// build an non-ruined byte array
var key = new byte[] { 0x45, 0x5E, 0x1A, 0x2D, 0x5C, 0x13, 0x37, 0x1E };
var bytes = new byte[((int)reader.BaseStream.Length - 4) / 4];
var ib = reader.ReadBytes((int)(reader.BaseStream.Length - 2));
var tb = 0x00;
var i = 0;
var j = 0;
while (true)
{
tb = ib[i];
if (tb == 0xDC)
{
if (i < (ib.Length - 1))
{
if (ib[i + 1] == 0xDC)
{
break;
}
}
}
if ((i % 4) == 0)
{
bytes[j] = (byte)(tb ^ key[j % 8]);
j++;
}
i++;
}
// make a new reader
var stream = new MemoryStream(bytes);
var nreader = new BinaryReader(stream);
var xuid = (0x0110000100000000 | nreader.ReadUInt32());
var status = nreader.ReadUInt16();
var nativeClient = Client.Get(xuid);
if (nativeClient.ExternalIP != null && !nativeClient.ExternalIP.Address.Equals(packet.GetSource().Address))
{
return;
}
var client = Get(xuid);
client.Unclean = (status != 0xCA3E && status > 0);
//if (status != client.LastStatus)
//{
if (status != 0xCA3E && status > 0)
{
Log.Info(string.Format("{0} got marked unclean (cur: {1} ({3}) - old: {2} ({4})).", xuid.ToString("X16"), status, client.LastStatus, DescribeStatus(status), DescribeStatus(client.LastStatus)));
client.LastStatus = status;
}
//}
}
}
void server_PacketReceived(object sender, UdpPacketReceivedEventArgs e)
{
var packet = e.Packet;
var reader = packet.GetReader();
var type = reader.ReadByte();
if (type == 0xCD) // CI packet, lol
{
// read another byte to skip double CD
if (reader.ReadByte() != 0xCD)
{
// ignore the packet if it's old client
return;
}
// build an non-ruined byte array
var key = new byte[] { 0x45, 0x5E, 0x1A, 0x2D, 0x5C, 0x13, 0x37, 0x1E };
var bytes = new byte[((int)reader.BaseStream.Length - 4) / 4];
var ib = reader.ReadBytes((int)(reader.BaseStream.Length - 2));
var tb = 0x00;
var i = 0;
var j = 0;
while (true)
{
tb = ib[i];
if (tb == 0xDC)
{
if (i < (ib.Length - 1))
{
if (ib[i + 1] == 0xDC)
{
break;
}
}
}
if ((i % 4) == 0)
{
bytes[j] = (byte)(tb ^ key[j % 8]);
j++;
}
i++;
}
// make a new reader
var stream = new MemoryStream(bytes);
var nreader = new BinaryReader(stream);
var xuid = (0x0110000100000000 | nreader.ReadUInt32());
var status = nreader.ReadUInt16();
// prevent unknown clients from being logged
if (!Client.Exists(xuid))
{
return;
}
// only allow client to flag themselves, not other people
var nativeClient = Client.Get(xuid);
if (!nativeClient.ExternalIP.Address.Equals(packet.GetSource().Address)) // only used address, port might differ,
// which likely explains why jerbob's fix caused
// false flaggings due to missed heartbeats.
{
return;
}
var client = Get(xuid);
client.Unclean = (status != 0xCA3E && status > 0);
//if (status != client.LastStatus)
//{
if (status != 0xCA3E && status > 0)
{
Log.Info(string.Format("{0} got marked unclean (cur: {1} ({3}) - old: {2} ({4})).", xuid.ToString("X16"), status, client.LastStatus, DescribeStatus(status), DescribeStatus(client.LastStatus)));
client.LastStatus = status;
}
//}
}
}
void server_PacketReceived(object sender, UdpPacketReceivedEventArgs e)
{
var packet = e.Packet;
var reader = packet.GetReader();
var basePacket = new MatchBaseRequestPacket(reader);
var client = Client.Get(basePacket.XUID);
/*if (!Client.IsAllowed(basePacket.XUID))
* {
* Log.Info(string.Format("Non-allowed client (XUID {0}) tried to get matches", basePacket.XUID.ToString("X16")));
* return;
* }
*
* if (!Client.IsAllowed(client.XUIDAlias))
* {
* Log.Info(string.Format("Non-allowed client (XUID {0}) tried to get matches", basePacket.XUID.ToString("X16")));
* return;
* }*/
var ipAddress = packet.GetSource().Address;
if (!Client.IsAllowed(ipAddress))
{
Log.Info(string.Format("Non-allowed client (IP {0}) tried to get matches", ipAddress));
return;
}
client.SetLastTouched();
client.CurrentState = _playlist;
client.SetLastMatched();
if (!Client.IsVersionAllowed(client.GameVersion, client.GameBuild))
{
return;
}
var sessions = from session in Sessions
where session.HostXUID == client.XUID && (DateTime.Now - session.LastTouched).TotalSeconds < 120
select session;
if (sessions.Count() > 0)
{
var session = sessions.First();
if (CIServer.IsUnclean(session.HostXUID, packet.GetSource().Address))
{
session.Unclean = true;
}
foreach (var updateClient in session.Clients)
{
var updClient = Client.Get(updateClient.XUID);
updClient.CurrentState = _playlist;
updClient.SetLastTouched();
updClient.SetLastMatched();
}
}
if (_handlers.ContainsKey(basePacket.CommandType))
{
_handlers[basePacket.CommandType].HandleCommand(this, client, packet, basePacket);
}
else
{
Log.Info(string.Format("Client {0} sent unknown match packet {1}", basePacket.XUID.ToString("X16"), basePacket.CommandType));
}
}
