internal static RdpPacket sendMcsData(bool use_rdp5, int num_channels, int serverSelectedProtocol)
{
RdpPacket packet = new RdpPacket();
string clientName = RDPClient.ClientName;
if (clientName.Length > 15)
{
clientName = clientName.Substring(0, 15);
}
int num = 2 * clientName.Length;
int num2 = 0x9e;
if (use_rdp5)
{
num2 += 0x60;
}
if (use_rdp5 && (num_channels > 0))
{
num2 += (num_channels * 12) + 8;
}
if ((RDPClient.serverNegotiateFlags & NegotiationFlags.EXTENDED_CLIENT_DATA_SUPPORTED) != ((NegotiationFlags)0))
{
num2 += 8;
}
packet.WriteBigEndian16((short)5);
packet.WriteBigEndian16((short)20);
packet.WriteByte(0x7c);
packet.WriteBigEndian16((short)1);
packet.WriteBigEndian16((short)(num2 | 0x8000));
packet.WriteBigEndian16((short)8);
packet.WriteBigEndian16((short)0x10);
packet.WriteByte(0);
packet.WriteLittleEndian16((ushort)0xc001);
packet.WriteByte(0);
packet.WriteLittleEndian32(0x61637544);
packet.WriteBigEndian16((short)((num2 - 14) | 0x8000));
packet.WriteLittleEndian16((ushort)0xc001);
packet.WriteLittleEndian16(use_rdp5 ? ((short)0xd8) : ((short)0x88));
packet.WriteLittleEndian16(use_rdp5 ? ((short)4) : ((short)1));
packet.WriteLittleEndian16((short)8);
packet.WriteLittleEndian16((short)RDPClient.width);
packet.WriteLittleEndian16((short)RDPClient.height);
packet.WriteLittleEndian16((ushort)0xca01);
packet.WriteLittleEndian16((ushort)0xaa03);
packet.WriteLittleEndian32(0x409);
packet.WriteLittleEndian32(use_rdp5 ? 0xa28 : 0x1a3);
packet.WriteUnicodeString(clientName);
packet.Position += 30 - num;
packet.WriteLittleEndian32(4);
packet.WriteLittleEndian32(0);
packet.WriteLittleEndian32(12);
packet.Position += 0x40L;
packet.WriteLittleEndian16((ushort)0xca01);
packet.WriteLittleEndian16(use_rdp5 ? ((short)1) : ((short)0));
if (use_rdp5)
{
packet.WriteLittleEndian32(0);
packet.WriteLittleEndian16((short)((byte)RDPClient.server_bpp));
packet.WriteLittleEndian16((short)7);
packet.WriteLittleEndian16((short)1);
packet.Position += 0x40L;
packet.WriteByte(0);
packet.WriteByte(0);
packet.WriteLittleEndian32(serverSelectedProtocol);
packet.WriteLittleEndian16((ushort)0xc004);
packet.WriteLittleEndian16((short)12);
int num3 = 13;
if (((RDPClient.flags & HostFlags.ConsoleSession) != ((HostFlags)0)) || (RDPClient.sessionID != 0))
{
num3 |= 2;
}
packet.WriteLittleEndian32(num3);
packet.WriteLittleEndian32(RDPClient.sessionID);
}
packet.WriteLittleEndian16((ushort)0xc002);
packet.WriteLittleEndian16(use_rdp5 ? ((short)12) : ((short)8));
int num4 = 0;
if (serverSelectedProtocol == 0)
{
num4 |= 3;
}
packet.WriteLittleEndian32(num4);
if (use_rdp5)
{
packet.WriteLittleEndian32(0);
}
if (use_rdp5 && (num_channels > 0))
{
packet.WriteLittleEndian16((ushort)0xc003);
packet.WriteLittleEndian16((short)((num_channels * 12) + 8));
packet.WriteLittleEndian32(num_channels);
foreach (IVirtualChannel channel in Channels.RegisteredChannels)
{
packet.WriteString(channel.ChannelName, false);
packet.WriteByte(0);
packet.WriteBigEndian32((uint)0xc0a00000);
}
}
if ((RDPClient.serverNegotiateFlags & NegotiationFlags.EXTENDED_CLIENT_DATA_SUPPORTED) != ((NegotiationFlags)0))
{
packet.WriteLittleEndian16((ushort)0xc006);
packet.WriteLittleEndian16((short)8);
packet.WriteLittleEndian32(0);
}
return(packet);
}
