public Decode(Socket wSock, byte[] buffer, Client net, object packetf)
{
try
{
UInt16 security;
packet = packetf;
ms = new MemoryStream(buffer);
br = new BinaryReader(ms);
dataSize = br.ReadUInt16();
byte[] b = new byte[dataSize];
Array.Copy(buffer, 6, b, 0, dataSize);
BUFFER = b;
OPCODE = br.ReadUInt16();
security = br.ReadUInt16();
socket = wSock;
NET = net;
}
catch (Exception)
{
}
}
public Decode(Socket wSock, byte[] buffer, Client net, object packetf, int size)
{
try
{
packet = packetf;
ms = new MemoryStream(buffer);
br = new BinaryReader(ms);
byte[] b = new byte[size];
Array.Copy(buffer, 0, b, 0, size);
BUFFER = b;
OPCODE = 0;
socket = wSock;
NET = net;
}
catch (Exception)
{
}
}
public Systems(Client de)
{
client = de;
}
public bool CompareVersionEqual(Client.Version compver)
{
if ((client_version.Major == compver.Major)
&& (client_version.Minor == compver.Minor)
&& (client_version.Revision == compver.Revision)
&& (client_version.Patch == compver.Patch))
return true;
return false;
}
public bool CompareVersion(Client.Version compver)
{
if (client_version.Major > compver.Major)
return true;
else if (client_version.Major < compver.Major)
return false;
else if (client_version.Minor > compver.Minor)
return true;
else if (client_version.Minor < compver.Minor)
return false;
else if (client_version.Revision > compver.Revision)
return true;
else if (client_version.Revision < compver.Revision)
return false;
else if (client_version.Patch > compver.Patch)
return true;
else if (client_version.Patch < compver.Patch)
return false;
return true;
}
private static void SendServerList(ref NetworkStream ns, Client client)
{
ServerList sl = Program.server_list;
MemoryStream ms = new MemoryStream(6 + 40 * sl.ServerCount);
short server_count = (short)sl.ServerCount;
ms.WriteByte(0xA8); // Game Server List CMD
WriteBE16(ms, (short)(6 + 40*server_count)); // MsgLen
ms.WriteByte(0x00); // System Info Flag (0x64: Spy on client, 0xCC: no spy)
WriteBE16(ms, server_count); // # of Servers
short index = 0;
foreach (ServerInfo server in sl.Servers)
{
if (client.CompareVersionInSARange()) //UO:SA Beta hack
WriteBE16(ms, 0x3D);
else
WriteBE16(ms, index);
index++;
byte[] name = GetBytes(server.Name, 32);
ms.Write(name, 0, 32); // 32 bytes
ms.WriteByte(0); // percent full
ms.WriteByte(0); // timezone
WriteBE(ms, server.ip);
}
byte[] tmp = ms.ToArray();
ns.Write(tmp, 0, tmp.Length);
}
public static void SendConnectGameServer(ref NetworkStream ns, int index, Client client)
{
MemoryStream ms = new MemoryStream(11);
ServerInfo server = Program.server_list.Servers[index];
ms.WriteByte(0x8C);
WriteBEflipped(ms, server.ip);
WriteBE16(ms, (short)server.port);
//Pol like seed
ms.WriteByte(0xFE);
ms.WriteByte(0xFE);
if (client.CompareVersion(Client.VER60142))
ms.WriteByte(0xFD);
else if (client.CompareVersionInSARange()) //UO:SA Beta hack (for 0xb9 packet)
ms.WriteByte(0xFD);
else
ms.WriteByte(0xFE);
//if (client.isUOKR)
// ms.WriteByte(0xFC);
//else
if (client.CompareVersion(Client.VER6017))
ms.WriteByte(0xFD);
else
ms.WriteByte(0xFE);
byte[] tmp = ms.ToArray();
ns.Write(tmp, 0, tmp.Length);
}
public static void ServerSelectPacket(ref NetworkStream ns, Client client)
{
int index = ReadBE16(ns);
if (client.CompareVersionInSARange()) //UO:SA Beta hack
index = 0;
if (index >= Program.server_list.ServerCount)
return;
SendConnectGameServer(ref ns, index, client);
}
static public void LoginPacket(ref NetworkStream ns, Client client)
{
string username, password;
{
byte[] byte_username = new byte[30];
byte[] byte_password = new byte[30];
ns.Read(byte_username, 0, 30);
ns.Read(byte_password, 0, 30);
ns.ReadByte(); // next-login-key;
username = Packets.GetString(byte_username);
password = Packets.GetString(byte_password);
}
if (Auth.CanLogin(username, password))
{
Console.WriteLine("Client connected: {0}", username);
SendServerList(ref ns,client);
}
else
{
SendLoginDenied(ref ns, (byte)00);
}
}
static public void SeedPacket(ref NetworkStream ns, ref Client.Version ver)
{
int seed = ReadInt32(ns);
ver.Major = ReadInt32(ns);
ver.Minor = ReadInt32(ns);
ver.Revision = ReadInt32(ns);
ver.Patch = ReadInt32(ns);
Console.WriteLine("Seed: 0x{0:X}", seed);
Console.WriteLine("Client Version {0}.{1}.{2}.{3}", ver.Major, ver.Minor, ver.Revision, ver.Patch);
}
private void ClientConnect(IAsyncResult ar)
{
try
{
Socket wSocket = serverSocket.EndAccept(ar);
wSocket.DontFragment = false;
object p = null;
Client Player = new Client();
try
{
OnConnect(ref p, Player);
}
catch (Exception)
{
}
Player.Packets = p;
Player.clientSocket = wSocket;
serverSocket.BeginAccept(new AsyncCallback(ClientConnect), null);
try
{
wSocket.BeginReceive(Player.tmpbuf, 0, Player.tmpbuf.Length, SocketFlags.None, new AsyncCallback(Player.ReceiveData), wSocket);
}
catch (SocketException){}
catch (Exception)
{
}
}
catch (ObjectDisposedException)
{
}
catch (Exception ex)
{
OnError(ex);
}
}
