internal static void send_request(byte[] client_random, byte[] rsa_data, byte[] username, byte[] host)
{
int num = 0x80;
int num2 = (username.Length == 0) ? 0 : (username.Length + 1);
int num3 = (host.Length == 0) ? 0 : (host.Length + 1);
int num4 = (0x80 + num2) + num3;
RdpPacket packet = new RdpPacket();
packet.WriteLittleEndian32(num);
packet.WriteByte(0x13);
packet.WriteByte(2);
packet.WriteLittleEndian16((short)num4);
packet.WriteLittleEndian32(1);
packet.WriteLittleEndianU32(0xff010000);
packet.Write(client_random, 0, 0x20);
packet.WriteLittleEndian16((short)0);
packet.WriteLittleEndian16((short)(RDPClient.modulus_size + 8));
packet.Write(rsa_data, 0, RDPClient.modulus_size);
packet.Position += 8L;
packet.WriteLittleEndian16((short)15);
packet.WriteLittleEndian16((short)num2);
if (num2 != 0)
{
packet.Write(username, 0, num2 - 1);
packet.WriteByte(0);
}
packet.WriteLittleEndian16((short)0x10);
packet.WriteLittleEndian16((short)num3);
if (num3 != 0)
{
packet.Write(host, 0, num3 - 1);
packet.WriteByte(0);
}
IsoLayer.SendMCS(packet, MCS.MSC_GLOBAL_CHANNEL);
}
internal static void send_authresp(byte[] token, byte[] crypt_hwid, byte[] signature)
{
int num = 0x80;
int num2 = 0x3a;
RdpPacket packet = new RdpPacket();
packet.WriteLittleEndian32(num);
packet.WriteByte(0x15);
packet.WriteByte(2);
packet.WriteLittleEndian16((short)num2);
packet.WriteLittleEndian16((short)1);
packet.WriteLittleEndian16((short)10);
packet.Write(token, 0, 10);
packet.WriteLittleEndian16((short)1);
packet.WriteLittleEndian16((short)20);
packet.Write(crypt_hwid, 0, 20);
packet.Write(signature, 0, 0x10);
IsoLayer.SendMCS(packet, MCS.MSC_GLOBAL_CHANNEL);
}
internal static void send_connection_request(byte[] loadBalanceToken, bool bAutoReconnect)
{
int num;
RDPClient.dec_count = 0;
RDPClient.enc_count = 0;
Network.ConnectionStage = RDPClient.eConnectionStage.Negotiating;
if (RDPClient.enableNLA)
{
sendConnectNegotiation(3, loadBalanceToken);
num = receiveConnectNegotiation();
if (num == 0x10000000)
{
Network.Close();
Network.Connect(RDPClient.Host, RDPClient.Port);
sendConnectNegotiation(0, loadBalanceToken);
num = receiveConnectNegotiation();
if (num != 0)
{
throw new RDFatalException("Security negotiation failed!");
}
}
else
{
if (((num & 1) != 0) || ((num & 2) != 0))
{
Network.ConnectionStage = RDPClient.eConnectionStage.Securing;
Network.ConnectSSL();
}
if ((num & 2) != 0)
{
Network.ConnectionStage = RDPClient.eConnectionStage.Authenticating;
CredSSP.Negotiate(Network.GetSSLPublicKey());
}
}
}
else
{
sendConnectNegotiation(0, loadBalanceToken);
num = receiveConnectNegotiation();
if (num != 0)
{
throw new RDFatalException("Security negotiation failed!");
}
}
Network.ConnectionStage = RDPClient.eConnectionStage.Establishing;
IsoLayer.SendTPKT(sendConnectInitial(sendMcsData(true, Channels.RegisteredChannels.Count, num)));
receiveConnectResponse();
send_ErectDomainRequest();
send_AttachUserRequest();
RDPClient.McsUserID = receive_AttachUserConfirm();
send_ChannelJoinRequest(RDPClient.McsUserID + MCS_USERCHANNEL_BASE);
receive_ChannelJoinConfirm();
send_ChannelJoinRequest(MSC_GLOBAL_CHANNEL);
receive_ChannelJoinConfirm();
foreach (IVirtualChannel channel in Channels.RegisteredChannels)
{
send_ChannelJoinRequest(channel.ChannelID);
receive_ChannelJoinConfirm();
}
int num2 = 0x40;
if (Secure.RDPEncrypted())
{
Network.ConnectionStage = RDPClient.eConnectionStage.SecureAndLogin;
RdpPacket packet = Secure.establishKey();
packet.Position = 0L;
IsoLayer.SendMCS(packet, MSC_GLOBAL_CHANNEL);
num2 |= SEC_ENCRYPT;
}
else
{
Network.ConnectionStage = RDPClient.eConnectionStage.Login;
}
IsoLayer.SendMCS_GlobalChannel(getLoginInfo(RDPClient.Domain, RDPClient.Username, RDPClient.Password, "", "", bAutoReconnect), num2);
}