private static void sendBitmapcacheCaps(RdpPacket packet)
{
if (RDPClient.m_bServerSupportsCacheV2)
{
packet.WriteLittleEndian16((short)0x13);
packet.WriteLittleEndian16((short)40);
packet.WriteLittleEndian16(false ? ((ushort)1) : ((ushort)0));
packet.WriteByte(0);
packet.WriteByte(3);
uint num = 0;
packet.WriteLittleEndian32(120);
packet.WriteLittleEndian32((uint)(120 | num));
packet.WriteLittleEndian32((uint)(0x400 | num));
packet.WriteLittleEndian32(0);
packet.WriteLittleEndian32(0);
packet.Position += 12L;
}
else
{
packet.WriteLittleEndian16((short)4);
packet.WriteLittleEndian16((short)40);
packet.Position += 0x18L;
packet.WriteLittleEndian16((short)120);
packet.WriteLittleEndian16((short)0x300);
packet.WriteLittleEndian16((short)120);
packet.WriteLittleEndian16((short)0xc00);
packet.WriteLittleEndian16((short)0x400);
packet.WriteLittleEndian16((short)0x2000);
}
}
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);
}
private static void sendPersistKeyList()
{
int num = 0;
int num2 = 0;
int num3 = 0;
int num4 = 0;
int num5 = 0;
int num6 = 0;
int num7 = 0;
int num8 = 0;
int num9 = 0;
int num10 = 0;
int offset = 0;
while ((((num6 < num) || (num7 < num2)) || ((num8 < num3) || (num9 < num4))) || (num10 < num5))
{
int num12 = 0;
int num13 = 0;
int num14 = 0;
int num15 = 0;
int num16 = 0;
bool bMoreKeys = false;
RdpPacket packet = new RdpPacket();
packet.WriteLittleEndian16((ushort)num12);
packet.WriteLittleEndian16((ushort)num13);
packet.WriteLittleEndian16((ushort)num14);
packet.WriteLittleEndian16((ushort)num15);
packet.WriteLittleEndian16((ushort)num16);
packet.WriteLittleEndian16((ushort)num);
packet.WriteLittleEndian16((ushort)num2);
packet.WriteLittleEndian16((ushort)num3);
packet.WriteLittleEndian16((ushort)num4);
packet.WriteLittleEndian16((ushort)num5);
byte num17 = 0;
if (offset == 0)
{
num17 = (byte)(num17 | 1);
}
if (!bMoreKeys)
{
num17 = (byte)(num17 | 2);
}
packet.WriteByte(num17);
packet.WriteByte(0);
packet.WriteLittleEndian16((short)0);
IsoLayer.sendDataPDU(packet, IsoLayer.PDUType2.PDUTYPE2_BITMAPCACHE_PERSISTENT_LIST, Secure.RDPEncrypted() ? MCS.SEC_ENCRYPT : 0);
num6 += num12;
num7 += num13;
num8 += num14;
num9 += num15;
num10 += num16;
}
}
public static void Disconnect()
{
RdpPacket packet = new RdpPacket();
packet.WriteLittleEndian16((short)1);
packet.WriteLittleEndian16((short)0x3ea);
IsoLayer.sendDataPDU(packet, IsoLayer.PDUType2.PDUTYPE2_SHUTDOWN_REQUEST, Secure.RDPEncrypted() ? SEC_ENCRYPT : 0);
packet = new RdpPacket();
packet.WriteByte((byte)(DPUM << 2));
packet.WriteByte(3);
IsoLayer.SendTPKT(packet);
}
internal static void SendMCS(RdpPacket packet, int channel)
{
int length = (int)packet.Length;
length |= 0x8000;
RdpPacket data = new RdpPacket();
data.WriteByte((byte)(MCS.SDRQ << 2));
data.WriteBigEndian16((short)RDPClient.McsUserID);
data.WriteBigEndian16((short)channel);
data.WriteByte(0x70);
data.WriteBigEndian16((short)length);
data.copyToByteArray(packet);
SendTPKT(data);
}
public void ProcessForNTLMv2()
{
this.Flags = 2;
this.ChannelBindings.length = 0x10;
this.ChannelBindings.value = new byte[0x10];
string s = "";
byte[] bytes = Encoding.Unicode.GetBytes(s);
this.TargetName.length = bytes.Length;
this.TargetName.value = bytes;
byte[] buffer = new byte[] {
0x5c, 0xca, 250, 0x4d, 0x40, 0x41, 0xc5, 0x8b, 0x43, 0x93, 0x16, 0x88, 0xce, 0x3b, 0x94, 0x63,
0xf1, 0xc5, 0x61, 0xf4, 0xe1, 0xde, 0xda, 0x7a, 0x43, 0xb8, 0xd6, 200, 0x9e, 80, 0x3f, 0x42
};
this.Restrictions.length = 0x30;
RdpPacket packet = new RdpPacket();
packet.WriteLittleEndian32(0x30);
packet.WritePadding(4);
packet.WriteByte(1);
packet.WritePadding(3);
packet.WriteLittleEndian32(0x2000);
packet.Write(buffer, 0, 0x20);
this.Restrictions.value = packet.ToArray();
if (this.Restrictions.value.Length != this.Restrictions.length)
{
throw new Exception("Restrictions invalid!");
}
}
private static void send_AttachUserRequest()
{
RdpPacket data = new RdpPacket();
data.WriteByte((byte)(AURQ << 2));
IsoLayer.SendTPKT(data);
}
public byte[] Negotiate()
{
RdpPacket packet = new RdpPacket();
uint num = (((((((0xe2000000 | RDPClient.NTLMSSP_NEGOTIATE_EXTENDED_SESSION_SECURITY) | RDPClient.NTLMSSP_NEGOTIATE_ALWAYS_SIGN) | RDPClient.NTLMSSP_NEGOTIATE_NTLM) | RDPClient.NTLMSSP_NEGOTIATE_SEAL) | RDPClient.NTLMSSP_NEGOTIATE_SIGN) | RDPClient.NTLMSSP_REQUEST_TARGET) | RDPClient.NTLMSSP_NEGOTIATE_OEM) | RDPClient.NTLMSSP_NEGOTIATE_UNICODE;
int position = (int)packet.Position;
packet.WriteString("NTLMSSP", false);
packet.WriteByte(0);
packet.WriteLittleEndian32(1);
packet.WriteLittleEndian32(num);
int num3 = ((int)packet.Position) - position;
num3 += 8;
num3 += 8;
if ((num & 0x2000000) != 0)
{
num3 += 8;
}
packet.WriteLittleEndian16((short)0);
packet.WriteLittleEndian16((short)0);
packet.WriteLittleEndian32(0);
packet.WriteLittleEndian16((short)0);
packet.WriteLittleEndian16((short)0);
packet.WriteLittleEndian32(0);
if ((num & 0x2000000) != 0)
{
this.WriteVersion(packet);
}
packet.Position = 0L;
this.m_NegotiateMsg = new byte[packet.Length];
packet.Read(this.m_NegotiateMsg, 0, this.m_NegotiateMsg.Length);
return(this.m_NegotiateMsg);
}
public static void SendTPKT(RdpPacket data)
{
short num = (short)(data.Length + 7L);
data.Position = 0L;
RdpPacket packet = new RdpPacket();
packet.WriteByte(3);
packet.WriteByte(0);
packet.WriteBigEndian16(num);
packet.WriteByte(2);
packet.WriteByte(240);
packet.WriteByte(0x80);
packet.copyToByteArray(data);
Write(packet);
}
private static void send_ErectDomainRequest()
{
RdpPacket data = new RdpPacket();
data.WriteByte((byte)(EDRQ << 2));
data.WriteBigEndian16((short)1);
data.WriteBigEndian16((short)1);
IsoLayer.SendTPKT(data);
}
private static void send_ChannelJoinRequest(int channelid)
{
RdpPacket data = new RdpPacket();
data.WriteByte((byte)(CJRQ << 2));
data.WriteBigEndian16((short)RDPClient.McsUserID);
data.WriteBigEndian16((short)channelid);
IsoLayer.SendTPKT(data);
}
private static void sendBitmapCaps(RdpPacket data)
{
data.WriteLittleEndian16((short)2);
data.WriteLittleEndian16((short)0x1c);
data.WriteLittleEndian16((short)RDPClient.server_bpp);
data.WriteLittleEndian16((short)1);
data.WriteLittleEndian16((short)1);
data.WriteLittleEndian16((short)1);
data.WriteLittleEndian16((short)RDPClient.width);
data.WriteLittleEndian16((short)RDPClient.height);
data.WriteLittleEndian16((short)0);
data.WriteLittleEndian16((short)1);
data.WriteLittleEndian16((short)1);
data.WriteByte(0);
data.WriteByte(0);
data.WriteLittleEndian16((short)1);
data.WriteLittleEndian16((short)0);
}
private void WriteVersion(RdpPacket packet)
{
packet.WriteByte(6);
packet.WriteByte(1);
packet.WriteByte(0xb0);
packet.WriteByte(0x1d);
packet.WriteByte(0);
packet.WriteByte(0);
packet.WriteByte(0);
packet.WriteByte(15);
}
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 sendDataPDU(RdpPacket packet, PDUType2 type, int sec_flags)
{
RdpPacket packet2 = new RdpPacket();
packet.Position = 0L;
int num = ((int)packet.Length) + 0x12;
packet2.WriteLittleEndian16((short)num);
packet2.WriteLittleEndian16((short)0x17);
packet2.WriteLittleEndian16((short)(RDPClient.McsUserID + 0x3e9));
packet2.WriteLittleEndian32(RDPClient.rdp_shareid);
packet2.WriteByte(0);
packet2.WriteByte(1);
packet2.WriteLittleEndian16((short)(num - 14));
packet2.WriteByte((byte)type);
packet2.WriteByte(0);
packet2.WriteLittleEndian16((short)0);
packet2.copyToByteArray(packet);
SendMCS_GlobalChannel(packet2, sec_flags);
}
internal static RdpPacket sendConnectInitial(RdpPacket data)
{
int length = (int)data.Length;
int num2 = ((((9 + domainParamSize(0x22, 2, 0, 0xffff)) + domainParamSize(1, 1, 1, 0x420)) + domainParamSize(0xffff, 0xfc17, 0xffff, 0xffff)) + 4) + length;
RdpPacket packet = new RdpPacket();
sendBerHeader(packet, BER_Header.CONNECT_INITIAL, num2);
sendBerHeader(packet, BER_Header.BER_TAG_OCTET_STRING, 1);
packet.WriteByte(1);
sendBerHeader(packet, BER_Header.BER_TAG_OCTET_STRING, 1);
packet.WriteByte(1);
sendBerHeader(packet, BER_Header.BER_TAG_BOOLEAN, 1);
packet.WriteByte(0xff);
sendDomainParams(packet, 0x22, 2, 0, 0xffff);
sendDomainParams(packet, 1, 1, 1, 0x420);
sendDomainParams(packet, 0xffff, 0xffff, 0xffff, 0xffff);
sendBerHeader(packet, BER_Header.BER_TAG_OCTET_STRING, length);
packet.copyToByteArray(data);
return(packet);
}
private static void sendBerHeader(RdpPacket data0, BER_Header data1, int data2)
{
int num = (int)data1;
if (num > 0xff)
{
data0.WriteBigEndian16((short)num);
}
else
{
data0.WriteByte((byte)num);
}
if (data2 >= 0x80)
{
data0.WriteByte(130);
data0.WriteBigEndian16((short)data2);
}
else
{
data0.WriteByte((byte)data2);
}
}
private static void sendBerInteger(RdpPacket buffer, int value)
{
int num = 1;
if (value > 0xff)
{
num = 2;
}
sendBerHeader(buffer, BER_Header.BER_TAG_INTEGER, num);
if (value > 0xff)
{
buffer.WriteBigEndian16((short)value);
}
else
{
buffer.WriteByte((byte)value);
}
}
private static void sendConnectNegotiation(int NegotiationFlags, byte[] loadBalanceToken)
{
string domainAndUsername = RDPClient.DomainAndUsername;
if (domainAndUsername.Length > 9)
{
domainAndUsername = domainAndUsername.Substring(0, 9);
}
RdpPacket packet = new RdpPacket();
packet.WriteByte(3);
packet.WriteByte(0);
long position = packet.Position;
packet.WriteBigEndian16((short)0);
packet.WriteByte(0);
packet.WriteByte(0xe0);
packet.WriteBigEndian16((short)0);
packet.WriteBigEndian16((short)0);
packet.WriteByte(0);
if (loadBalanceToken != null)
{
packet.Write(loadBalanceToken, 0, loadBalanceToken.Length);
packet.WriteString("\r\n", false);
}
else
{
packet.WriteString("Cookie: mstshash=" + domainAndUsername + "\r\n", true);
}
packet.WriteByte(1);
packet.WriteByte(0);
packet.WriteLittleEndian16((short)8);
packet.WriteLittleEndian32(NegotiationFlags);
long num2 = packet.Position;
packet.Position = position;
packet.WriteBigEndian16((short)num2);
packet.WriteByte((byte)(num2 - 5L));
IsoLayer.Write(packet);
}
private byte[] Authenticate(byte[] lmChallengeResponse, byte[] ntChallengeResponse, string sDomainName, string sUser, string sWorkstation, byte[] EncryptedRandomSessionKey, byte[] ExportedSessionKey, bool bGenerateMIC)
{
RdpPacket packet = new RdpPacket();
uint flags = ((((((0xe2800000 | RDPClient.NTLMSSP_NEGOTIATE_EXTENDED_SESSION_SECURITY) | RDPClient.NTLMSSP_NEGOTIATE_ALWAYS_SIGN) | RDPClient.NTLMSSP_NEGOTIATE_NTLM) | RDPClient.NTLMSSP_NEGOTIATE_SEAL) | RDPClient.NTLMSSP_NEGOTIATE_SIGN) | RDPClient.NTLMSSP_REQUEST_TARGET) | RDPClient.NTLMSSP_NEGOTIATE_UNICODE;
DumpFlags(flags);
int position = (int)packet.Position;
packet.WriteString("NTLMSSP", false);
packet.WriteByte(0);
packet.WriteLittleEndian32(3);
int num3 = ((int)packet.Position) - position;
num3 += 8;
num3 += 8;
num3 += 8;
num3 += 8;
num3 += 8;
num3 += 8;
num3 += 4;
if ((flags & 0x2000000) != 0)
{
num3 += 8;
}
if (bGenerateMIC)
{
num3 += 0x10;
}
byte[] bytes = Encoding.Unicode.GetBytes(sDomainName);
byte[] buffer = Encoding.Unicode.GetBytes(sUser);
byte[] buffer3 = Encoding.Unicode.GetBytes(sWorkstation);
int num4 = num3;
int num5 = num4 + bytes.Length;
int num6 = num5 + buffer.Length;
int num7 = num6 + buffer3.Length;
int num8 = num7 + lmChallengeResponse.Length;
int num9 = num8 + ntChallengeResponse.Length;
packet.WriteLittleEndian16((ushort)lmChallengeResponse.Length);
packet.WriteLittleEndian16((ushort)lmChallengeResponse.Length);
packet.WriteLittleEndian32(num7);
num3 += lmChallengeResponse.Length;
packet.WriteLittleEndian16((ushort)ntChallengeResponse.Length);
packet.WriteLittleEndian16((ushort)ntChallengeResponse.Length);
packet.WriteLittleEndian32(num8);
num3 += ntChallengeResponse.Length;
packet.WriteLittleEndian16((ushort)bytes.Length);
packet.WriteLittleEndian16((ushort)bytes.Length);
packet.WriteLittleEndian32(num4);
num3 += bytes.Length;
packet.WriteLittleEndian16((ushort)buffer.Length);
packet.WriteLittleEndian16((ushort)buffer.Length);
packet.WriteLittleEndian32(num5);
num3 += buffer.Length;
packet.WriteLittleEndian16((ushort)buffer3.Length);
packet.WriteLittleEndian16((ushort)buffer3.Length);
packet.WriteLittleEndian32(num6);
num3 += buffer3.Length;
packet.WriteLittleEndian16((ushort)EncryptedRandomSessionKey.Length);
packet.WriteLittleEndian16((ushort)EncryptedRandomSessionKey.Length);
packet.WriteLittleEndian32(num9);
num3 += EncryptedRandomSessionKey.Length;
packet.WriteLittleEndian32(flags);
if ((flags & 0x2000000) != 0)
{
this.WriteVersion(packet);
}
long num10 = packet.Position;
if (bGenerateMIC)
{
packet.WritePadding(0x10);
}
packet.Write(bytes, 0, bytes.Length);
packet.Write(buffer, 0, buffer.Length);
packet.Write(buffer3, 0, buffer3.Length);
packet.Write(lmChallengeResponse, 0, lmChallengeResponse.Length);
packet.Write(ntChallengeResponse, 0, ntChallengeResponse.Length);
packet.Write(EncryptedRandomSessionKey, 0, EncryptedRandomSessionKey.Length);
if (bGenerateMIC)
{
packet.Position = 0L;
byte[] buffer4 = new byte[packet.Length];
packet.Read(buffer4, 0, buffer4.Length);
HMACT64 hmact = new HMACT64(ExportedSessionKey);
hmact.update(this.m_NegotiateMsg);
hmact.update(this.m_ChallengeMsg);
hmact.update(buffer4);
byte[] buffer5 = hmact.digest();
packet.Position = num10;
packet.Write(buffer5, 0, buffer5.Length);
}
packet.Position = 0L;
byte[] buffer6 = new byte[packet.Length];
packet.Read(buffer6, 0, buffer6.Length);
return(buffer6);
}
protected static void WriteByte(RdpPacket packet, int value)
{
packet.WriteByte((byte)value);
}
protected static void UpdateLength(RdpPacket packet, string Identifier)
{
Fixup fixup = RDPClient.m_Fixup[Identifier];
RDPClient.m_Fixup.Remove(Identifier);
long position = packet.Position;
if (fixup.Length != -1)
{
long num2 = packet.Position - fixup.Offset;
if (num2 != fixup.Length)
{
throw new Exception("DER Tag length invalid");
}
}
else
{
long num3 = packet.Position - (fixup.Offset + 1L);
byte[] bytes = BitConverter.GetBytes(num3);
packet.Position = fixup.Offset;
if (num3 > 0xffffffL)
{
packet.WriteByte(0x84);
packet.InsertByte(bytes[3]);
position += 1L;
packet.InsertByte(bytes[2]);
position += 1L;
packet.InsertByte(bytes[1]);
position += 1L;
packet.InsertByte(bytes[0]);
position += 1L;
}
else if (num3 > 0xffffL)
{
packet.WriteByte(0x83);
packet.InsertByte(bytes[2]);
position += 1L;
packet.InsertByte(bytes[1]);
position += 1L;
packet.InsertByte(bytes[0]);
position += 1L;
}
else if (num3 > 0xffL)
{
packet.WriteByte(130);
packet.InsertByte(bytes[1]);
position += 1L;
packet.InsertByte(bytes[0]);
position += 1L;
}
else if (num3 > 0x7fL)
{
packet.WriteByte(0x81);
packet.InsertByte(bytes[0]);
position += 1L;
}
else
{
packet.WriteByte(bytes[0]);
}
packet.Position = position;
}
}
internal static void SendInput(List <Rdp.InputInfo> InputToSend)
{
if (RDPClient.use_fastpath_input)
{
RdpPacket packet = new RdpPacket();
ushort num = 1;
int count = InputToSend.Count;
if (count < 0x10)
{
packet.WriteByte((byte)(count << 2));
}
else
{
packet.WriteByte(0);
num = (ushort)(num + 1);
}
foreach (Rdp.InputInfo info in InputToSend)
{
switch (info.Message_Type)
{
case Rdp.InputType.INPUT_EVENT_SCANCODE:
num = (ushort)(num + 2);
break;
case Rdp.InputType.INPUT_EVENT_UNICODE:
num = (ushort)(num + 3);
break;
case Rdp.InputType.INPUT_EVENT_MOUSE:
num = (ushort)(num + 7);
break;
case Rdp.InputType.INPUT_EVENT_SYNC:
num = (ushort)(num + 1);
break;
}
}
num = (ushort)(num + 1);
if (num > 0x7f)
{
num = (ushort)(num + 1);
}
packet.WriteEncodedUnsigned16(num);
if (count >= 0x10)
{
packet.WriteByte((byte)count);
}
foreach (Rdp.InputInfo info2 in InputToSend)
{
int num3 = 0;
switch (info2.Message_Type)
{
case Rdp.InputType.INPUT_EVENT_SCANCODE:
if ((info2.Device_Flags & 0x8000) != 0)
{
num3 |= 1;
}
if ((info2.Device_Flags & 0x100) != 0)
{
num3 |= 2;
}
packet.WriteByte((byte)num3);
packet.WriteByte((byte)info2.Param1);
break;
case Rdp.InputType.INPUT_EVENT_UNICODE:
if ((info2.Device_Flags & 0x8000) != 0)
{
num3 |= 1;
}
packet.WriteByte((byte)(0x80 | num3));
packet.WriteLittleEndian16((ushort)info2.Param1);
break;
case Rdp.InputType.INPUT_EVENT_MOUSE:
packet.WriteByte(0x20);
packet.WriteLittleEndian16((ushort)info2.Device_Flags);
packet.WriteLittleEndian16((ushort)info2.Param1);
packet.WriteLittleEndian16((ushort)info2.Param2);
break;
case Rdp.InputType.INPUT_EVENT_SYNC:
packet.WriteByte(0x60);
break;
}
}
Write(packet);
}
else
{
foreach (Rdp.InputInfo info3 in InputToSend)
{
internal_sendInput(info3.Time, (int)info3.Message_Type, info3.Device_Flags, info3.Param1, info3.Param2);
}
}
}
protected static void WriteInteger(RdpPacket packet, int value)
{
packet.WriteByte(2);
byte[] bytes = BitConverter.GetBytes(value);
if (value > 0xffffff)
{
packet.WriteByte(4);
packet.WriteByte(bytes[3]);
packet.WriteByte(bytes[2]);
packet.WriteByte(bytes[1]);
packet.WriteByte(bytes[0]);
}
else if (value > 0xffff)
{
packet.WriteByte(3);
packet.WriteByte(bytes[2]);
packet.WriteByte(bytes[1]);
packet.WriteByte(bytes[0]);
}
else if (value > 0xff)
{
packet.WriteByte(2);
packet.WriteByte(bytes[1]);
packet.WriteByte(bytes[0]);
}
else
{
packet.WriteByte(1);
packet.WriteByte(bytes[0]);
}
}
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);
}
