private static bool parsePublicKey(RdpPacket data)
{
int num = 0;
int num2 = 0;
num = data.ReadLittleEndian32();
if (num != 0x31415352)
{
int num3 = 0x31415352;
throw new RDFatalException("Bad magic header ! Need " + num3.ToString() + " but got " + num.ToString());
}
num2 = data.ReadLittleEndian32();
if (num2 != (modulus_size + 8))
{
modulus_size = num2 - 8;
}
data.Position += 8L;
m_Exponent = new byte[4];
data.Read(m_Exponent, 0, 4);
m_Modulus = new byte[modulus_size];
data.Read(m_Modulus, 0, modulus_size);
return(data.Position <= data.Length);
}
protected static int ReadInteger(RdpPacket packet)
{
if (packet.ReadByte() != 2)
{
throw new Exception("Data Error!");
}
int num2 = packet.ReadByte();
byte[] buffer = new byte[4];
switch (num2)
{
case 4:
packet.Read(buffer, 0, 4);
return(BitConverter.ToInt32(buffer, 0));
case 3:
packet.Read(buffer, 0, 3);
return(BitConverter.ToInt32(buffer, 0));
case 2:
packet.Read(buffer, 0, 2);
return(BitConverter.ToInt32(buffer, 0));
}
packet.Read(buffer, 0, 1);
return(BitConverter.ToInt32(buffer, 0));
}
private static void ProcesssResponse(RdpPacket packet, byte[] ServerPublicKey)
{
ASN1.ReadTag(packet, ASN1.SequenceTag(0), "TSRequest");
ASN1.ReadTag(packet, ASN1.ContextTag(0), "CTX_Version");
if (ASN1.ReadInteger(packet) < 2)
{
throw new Exception("TSRequest version not supported!");
}
ASN1.CloseTag(packet, "CTX_Version");
byte[] buffer = null;
int num2 = ASN1.ReadTag(packet, "Tag");
if (num2 == ASN1.ContextTag(1))
{
ASN1.ReadTag(packet, ASN1.SequenceTag(0), "NegTokens");
ASN1.ReadTag(packet, ASN1.SequenceTag(0), "NegTokens2");
ASN1.ReadTag(packet, ASN1.ContextTag(0), "CTX_OctetString");
m_ChallengeMsg = new byte[ASN1.ReadTag(packet, ASN1.OctetStringTag(), "OctetString")];
packet.Read(m_ChallengeMsg, 0, m_ChallengeMsg.Length);
ASN1.CloseTag(packet, "OctetString");
ASN1.CloseTag(packet, "CTX_OctetString");
ASN1.CloseTag(packet, "NegTokens2");
ASN1.CloseTag(packet, "NegTokens");
}
else if (num2 == ASN1.ContextTag(3))
{
buffer = new byte[ASN1.ReadTag(packet, ASN1.OctetStringTag(), "OctetString")];
packet.Read(buffer, 0, buffer.Length);
ASN1.CloseTag(packet, "OctetString");
}
ASN1.CloseTag(packet, "Tag");
ASN1.CloseTag(packet, "TSRequest");
if (buffer != null)
{
byte[] buffer2 = m_NTLMAuthenticate.DecryptMessage(buffer);
buffer2[0] = (byte)(buffer2[0] - 1);
if (!NTLM.CompareArray(buffer2, ServerPublicKey))
{
throw new Exception("Unable to verify the server's public key!");
}
buffer2[0] = (byte)(buffer2[0] + 1);
SendTSRequest(null, WriteTSCredentials(), null);
m_bAuthenticated = true;
}
else
{
ReadNegoToken(m_ChallengeMsg, ServerPublicKey);
}
}
private void send(RdpPacket data)
{
data.Position = 0L;
int length = (int)data.Length;
int count = Math.Min(length, 1600);
int num = length - count;
if (num == 0)
{
RdpPacket packet = new RdpPacket();
packet.WriteLittleEndian32((int)length);
packet.WriteLittleEndian32((int)(CHANNEL_FLAG.CHANNEL_FLAG_FIRST | CHANNEL_FLAG.CHANNEL_FLAG_LAST | CHANNEL_FLAG.CHANNEL_FLAG_SHOW_PROTOCOL));
packet.copyToByteArray(data);
IsoLayer.SendToCannel(packet, Secure.RDPEncrypted() ? (int)(MCS.TS_SECURITY_HEADER.SEC_ENCRYPT) : 0, this.ChannelID);
}
else
{
RdpPacket packet2 = new RdpPacket();
packet2.WriteLittleEndian32((int)length);
packet2.WriteLittleEndian32((int)(CHANNEL_FLAG.CHANNEL_FLAG_FIRST | CHANNEL_FLAG.CHANNEL_FLAG_SHOW_PROTOCOL));
byte[] buffer = new byte[count];
data.Read(buffer, 0, count);
packet2.Write(buffer, 0, count);
IsoLayer.SendToCannel(packet2, Secure.RDPEncrypted() ? (int)(MCS.TS_SECURITY_HEADER.SEC_ENCRYPT) : 0, this.ChannelID);
}
while (num > 0)
{
count = Math.Min(num, 1600);
num -= count;
RdpPacket packet3 = new RdpPacket();
packet3.WriteLittleEndian32((int)length);
if (num == 0)
{
packet3.WriteLittleEndian32((int)(CHANNEL_FLAG.CHANNEL_FLAG_LAST | CHANNEL_FLAG.CHANNEL_FLAG_SHOW_PROTOCOL));
}
else
{
packet3.WriteLittleEndian32((int)(CHANNEL_FLAG.CHANNEL_FLAG_SHOW_PROTOCOL));
}
byte[] buffer2 = new byte[count];
data.Read(buffer2, 0, count);
packet3.Write(buffer2, 0, count);
IsoLayer.SendToCannel(packet3, Secure.RDPEncrypted() ? (int)(MCS.TS_SECURITY_HEADER.SEC_ENCRYPT) : 0, this.ChannelID);
}
}
private static void processColorCache(RdpPacket data)
{
byte[] buffer = null;
byte[] r = null;
byte[] g = null;
byte[] b = null;
int index = 0;
int num2 = data.ReadByte();
int count = data.ReadLittleEndian16();
buffer = new byte[count * 4];
r = new byte[count];
g = new byte[count];
b = new byte[count];
data.Read(buffer, 0, buffer.Length);
for (int i = 0; i < count; i++)
{
b[i] = buffer[index];
g[i] = buffer[index + 1];
r[i] = buffer[index + 2];
index += 4;
}
Cache.put_colourmap(num2, new Palette(8, count, r, g, b));
}
public void Write(RdpPacket packet, int Length)
{
byte[] buffer = new byte[Length];
packet.Read(buffer, 0, buffer.Length);
this.Write(buffer, 0, Length);
this.Position = 0L;
}
public void copyToByteArray(RdpPacket packet)
{
byte[] buffer = new byte[packet.Length];
packet.Position = 0L;
packet.Read(buffer, 0, (int)packet.Length);
this.Write(buffer, 0, buffer.Length);
}
internal static void Write(RdpPacket data)
{
data.Position = 0L;
byte[] buffer = new byte[data.Length];
data.Read(buffer, 0, (int)data.Length);
Network.Send(buffer);
}
private static void Send(RdpPacket packet)
{
packet.Position = 0L;
byte[] buffer = new byte[packet.Length];
packet.Read(buffer, 0, (int)packet.Length);
NTLM.DumpHex(buffer, (int)packet.Length, "Send");
Network.Send(buffer);
}
internal static void process_demand(RdpPacket data)
{
byte[] buffer = new byte[Secure.modulus_size];
byte[] bytes = ASCIIEncoding.GetBytes(Options.hostname, true);
byte[] username = ASCIIEncoding.GetBytes(Options.Username, true);
data.Read(m_Server_Random, 0, m_Server_Random.Length);
generate_keys(buffer, m_Server_Random, buffer);
send_request(buffer, buffer, username, bytes);
}
internal static bool parse_authreq(RdpPacket data)
{
int count = 0;
data.Position += 6L;
count = data.ReadLittleEndian16();
if (count != 10)
{
throw new RDFatalException("Illegal length of license token!");
}
m_In_Token = new byte[count];
data.Read(m_In_Token, 0, count);
m_In_Sig = new byte[0x10];
data.Read(m_In_Sig, 0, 0x10);
return(data.Position == data.Length);
}
private static void processFontCache(RdpPacket data, int extraFlags)
{
int font = 0;
int num2 = 0;
int character = 0;
int offset = 0;
int baseline = 0;
int width = 0;
int height = 0;
int count = 0;
byte[] buffer = null;
int num9 = (extraFlags >> 4) & 15;
if ((num9 & 2) != 0)
{
font = extraFlags & 15;
num2 = extraFlags >> 8;
}
else
{
font = data.ReadByte();
num2 = data.ReadByte();
}
for (int i = 0; i < num2; i++)
{
if ((num9 & 2) != 0)
{
character = data.ReadByte();
offset = data.ReadEncodedSigned16();
baseline = data.ReadEncodedSigned16();
width = data.ReadEncodedUnsigned16();
height = data.ReadEncodedUnsigned16();
}
else
{
character = data.ReadLittleEndian16();
offset = data.ReadLittleEndian16();
baseline = data.ReadLittleEndian16();
width = data.ReadLittleEndian16();
height = data.ReadLittleEndian16();
}
count = ((height * ((width + 7) / 8)) + 3) & -4;
buffer = new byte[count];
data.Read(buffer, 0, count);
Glyph glyph = new Glyph(font, character, offset, baseline, width, height, buffer);
Cache.putFont(glyph);
}
}
private static void processLogonInfo(RdpPacket data)
{
// Вызываем событие инициализации
Options.OnAutorization();
int num;
switch (data.ReadLittleEndian32())
{
case 0:
case 1:
case 2:
return;
case 3:
data.ReadLittleEndian16();
num = data.ReadLittleEndian32();
if ((num & 1) != 0)
{
if (data.ReadLittleEndian32() != 0x1c)
{
throw new Exception("Invalid length for AutoReconnectCookie!");
}
data.ReadLittleEndian32();
Options.LogonID = data.ReadLittleEndian32();
if (Options.ReconnectCookie == null)
{
Options.ReconnectCookie = new byte[0x10];
}
data.Read(Options.ReconnectCookie, 0, 0x10);
break;
}
break;
default:
return;
}
if ((num & 2) != 0)
{
data.ReadLittleEndian32();
data.ReadLittleEndian32();
}
}
private static void process_bmpcache3(RdpPacket data, int flags)
{
ulong num3 = 0L;
int num = flags & 7;
if ((flags & 0x800) != 0)
{
throw new RDFatalException("DO_NOT_CACHE flag not supported!");
}
int num2 = data.ReadEncodedUnsigned16();
byte[] buffer = new byte[8];
data.Read(buffer, 0, buffer.Length);
num3 = BitConverter.ToUInt64(buffer, 0);
process_bmpdata(data, flags, num, num2, num3);
}
internal static void process_issue(RdpPacket data)
{
int count = 0;
RC4 rc = new RC4();
byte[] destinationArray = new byte[m_LicenceKey.Length];
Array.Copy(m_LicenceKey, 0, destinationArray, 0, m_LicenceKey.Length);
data.ReadLittleEndian16();
count = data.ReadLittleEndian16();
if ((data.Position + count) <= data.Length)
{
rc.engineInitDecrypt(destinationArray);
byte[] buffer = new byte[count];
data.Read(buffer, 0, count);
rc.crypt(buffer, 0, count, buffer, 0);
}
}
private static void processPolyLine(RdpPacket data, int present, bool delta)
{
if ((present & 1) != 0)
{
PolylineOrder.X = setCoordinate(data, PolylineOrder.X, delta);
}
if ((present & 2) != 0)
{
PolylineOrder.Y = setCoordinate(data, PolylineOrder.Y, delta);
}
if ((present & 4) != 0)
{
PolylineOrder.Opcode = data.ReadByte();
}
if ((present & 8) != 0)
{
data.ReadLittleEndian16();
}
if ((present & 0x10) != 0)
{
PolylineOrder.PenColor = setColor(data);
}
if ((present & 0x20) != 0)
{
PolylineOrder.Lines = data.ReadByte();
}
if ((present & 0x40) != 0)
{
int num = data.ReadByte();
PolylineOrder.DataSize = num;
byte[] buffer = new byte[num];
data.Read(buffer, 0, buffer.Length);
PolylineOrder.Data = buffer;
}
PolylineOrder.drawPolyLineOrder();
}
internal static void SendToCannel(RdpPacket secData, int flags, int channel)
{
secData.Position = 0L;
byte[] buffer = new byte[secData.Length];
secData.Read(buffer, 0, buffer.Length);
if ((Secure.enc_count == 0x1000) && Secure.RDPEncrypted())
{
Secure.m_Encrypt_Key = Secure.update(Secure.m_Encrypt_Key, Secure._r);
byte[] destinationArray = new byte[Secure.m_KeyLength];
Array.Copy(Secure.m_Encrypt_Key, 0, destinationArray, 0, Secure.m_KeyLength);
Secure.m_RC4_Enc.engineInitEncrypt(destinationArray);
Secure.enc_count = 0;
}
if (Secure.RDPEncrypted())
{
byte[] buffer1 = Secure.sign(Secure.m_Sec_Sign_Key, 8, Secure.m_KeyLength, buffer, buffer.Length);
byte[] buffer2 = Secure.m_RC4_Enc.crypt(buffer);
secData = new RdpPacket();
secData.WriteLittleEndian32(flags);
secData.Write(buffer1, 0, buffer1.Length);
secData.Write(buffer2, 0, buffer2.Length);
}
else
{
flags &= -9;
secData = new RdpPacket();
if (flags != 0)
{
secData.WriteLittleEndian32(flags);
}
secData.Write(buffer, 0, buffer.Length);
}
SendMCS(secData, channel);
Secure.enc_count++;
}
private static byte[] WriteTSCredentials()
{
RdpPacket packet = new RdpPacket();
ASN1.WriteTag(packet, ASN1.SequenceTag(0), "SEQ_TSCRED");
ASN1.WriteTag(packet, ASN1.ContextTag(0), "CTX_credType");
ASN1.WriteInteger(packet, 1);
ASN1.CloseTag(packet, "CTX_credType");
ASN1.WriteTag(packet, ASN1.ContextTag(1), "CTX_credentials");
ASN1.WriteTag(packet, ASN1.OctetStringTag(), "CTX_OctetString");
ASN1.WriteTag(packet, ASN1.SequenceTag(0), "SEQ_Credentials");
ASN1.WriteTag(packet, ASN1.ContextTag(0), "CTX_domain");
ASN1.WriteTag(packet, ASN1.OctetStringTag(), "OctectString");
byte[] bytes = Encoding.Unicode.GetBytes(Options.Domain);
packet.Write(bytes, 0, bytes.Length);
ASN1.CloseTag(packet, "OctectString");
ASN1.CloseTag(packet, "CTX_domain");
ASN1.WriteTag(packet, ASN1.ContextTag(1), "CTX_user");
ASN1.WriteTag(packet, ASN1.OctetStringTag(), "OctectString");
byte[] buffer = Encoding.Unicode.GetBytes(Options.Username);
packet.Write(buffer, 0, buffer.Length);
ASN1.CloseTag(packet, "OctectString");
ASN1.CloseTag(packet, "CTX_user");
ASN1.WriteTag(packet, ASN1.ContextTag(2), "CTX_password");
ASN1.WriteTag(packet, ASN1.OctetStringTag(), "OctectString");
byte[] buffer3 = Encoding.Unicode.GetBytes(Options.Password);
packet.Write(buffer3, 0, buffer3.Length);
ASN1.CloseTag(packet, "OctectString");
ASN1.CloseTag(packet, "CTX_password");
ASN1.CloseTag(packet, "SEQ_Credentials");
ASN1.CloseTag(packet, "CTX_OctetString");
ASN1.CloseTag(packet, "CTX_credentials");
ASN1.CloseTag(packet, "SEQ_TSCRED");
byte[] buffer4 = new byte[packet.Length];
packet.Position = 0L;
packet.Read(buffer4, 0, buffer4.Length);
return(m_NTLMAuthenticate.EncryptMessage(buffer4));
}
public byte[] Negotiate()
{
RdpPacket packet = new RdpPacket();
uint num = (((((((0xe2000000 | NTLMSSP_NEGOTIATE_EXTENDED_SESSION_SECURITY) | NTLMSSP_NEGOTIATE_ALWAYS_SIGN) | NTLMSSP_NEGOTIATE_NTLM) | NTLMSSP_NEGOTIATE_SEAL) | NTLMSSP_NEGOTIATE_SIGN) | NTLMSSP_REQUEST_TARGET) | NTLMSSP_NEGOTIATE_OEM) | 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 RdpPacket DecryptPacket(RdpPacket packet)
{
packet.Position += 8L;
byte[] buffer = new byte[packet.Length - packet.Position];
packet.Read(buffer, 0, buffer.Length);
if (dec_count == 0x1000)
{
m_Decrypt_Key = update(m_Decrypt_Key, m_Sec_Decrypt_Update_Key);
byte[] destinationArray = new byte[m_KeyLength];
Array.Copy(m_Decrypt_Key, 0, destinationArray, 0, m_KeyLength);
m_RC4_Dec.engineInitDecrypt(destinationArray);
dec_count = 0;
}
dec_count++;
byte[] buffer3 = m_RC4_Dec.crypt(buffer);
packet = new RdpPacket();
packet.Write(buffer3, 0, buffer3.Length);
packet.Position = 0L;
return(packet);
}
internal static void processPalette(RdpPacket data)
{
int num = 0;
byte[] buffer = null;
int index = 0;
data.Position += 2L;
num = data.ReadLittleEndian16();
data.Position += 2L;
buffer = new byte[num * 3];
m_Global.m_Red = new byte[num];
m_Global.m_Green = new byte[num];
m_Global.m_Blue = new byte[num];
data.Read(buffer, 0, buffer.Length);
for (int i = 0; i < num; i++)
{
m_Global.m_Red[i] = buffer[index];
m_Global.m_Green[i] = buffer[index + 1];
m_Global.m_Blue[i] = buffer[index + 2];
index += 3;
}
}
internal static void processRedirection(RdpPacket data, bool bStdRedirect)
{
if (!bStdRedirect)
{
data.ReadLittleEndian16();
}
data.ReadLittleEndian16();
data.ReadLittleEndian16();
Options.sessionID = data.ReadLittleEndian32();
int num = data.ReadLittleEndian32();
if ((num & 1) != 0)
{
Options.Host = data.ReadUnicodeString();
}
byte[] buffer = null;
if ((num & 2) != 0)
{
int count = data.ReadLittleEndian32();
buffer = new byte[count];
data.Read(buffer, 0, count);
}
if ((num & 4) != 0)
{
Options.Username = data.ReadUnicodeString();
}
if ((num & 8) != 0)
{
Options.Domain = data.ReadUnicodeString();
}
if ((num & 0x10) != 0)
{
Options.Password = data.ReadUnicodeString();
}
if ((num & 0x200) != 0)
{
Options.Host = data.ReadUnicodeString();
}
if ((num & 0x100) != 0)
{
Options.Host = data.ReadUnicodeString();
}
if (!string.IsNullOrEmpty(Options.Domain))
{
Options.DomainAndUsername = Options.Domain + @"\" + Options.Username;
}
else
{
Options.DomainAndUsername = Options.Username;
}
if ((num & 0x80) == 0)
{
Network.Close();
Licence.Reset();
Network.Connect(Options.Host, Options.Port);
MCS.sendСonnectionRequest(buffer, false);
}
}
public static byte[] decompress(int width, int height, int size, RdpPacket data, int Bpp)
{
byte[] buffer = new byte[size];
data.Read(buffer, 0, size);
int startOffset = 0;
int startlocation = 0;
int num3 = 0;
int num4 = 0;
int num5 = size;
int num6 = 0;
int num7 = 0;
int num8 = 0;
int offset = width;
int num10 = -1;
int num11 = 0;
int num12 = 0;
int num13 = 0;
int num14 = 0;
byte num15 = 0;
int num16 = 0;
uint maxValue = uint.MaxValue;
bool flag = false;
bool flag2 = false;
bool flag3 = false;
byte[] input = new byte[width * height];
while (num3 < num5)
{
num11 = 0;
num12 = buffer[num3++] & 0xff;
num6 = num12 >> 4;
switch (num6)
{
case 12:
case 13:
case 14:
num6 -= 6;
num7 = num12 & 15;
num8 = 0x10;
goto Label_00F8;
case 15:
num6 = num12 & 15;
if (num6 >= 9)
{
break;
}
num7 = buffer[num3++] & 0xff;
num7 |= (buffer[num3++] & 0xff) << 8;
goto Label_00F5;
default:
num6 = num6 >> 1;
num7 = num12 & 0x1f;
num8 = 0x20;
goto Label_00F8;
}
num7 = (num6 < 11) ? 8 : 1;
Label_00F5:
num8 = 0;
Label_00F8:
if (num8 != 0)
{
flag3 = (num6 == 2) || (num6 == 7);
if (num7 == 0)
{
if (flag3)
{
num7 = (buffer[num3++] & 0xff) + 1;
}
else
{
num7 = (buffer[num3++] & 0xff) + num8;
}
}
else if (flag3)
{
num7 = num7 << 3;
}
}
switch (num6)
{
case 0:
if ((num10 == num6) && ((offset != width) || (startOffset != 0)))
{
flag = true;
}
break;
case 3:
num14 = buffer[num3++] & 0xff;
break;
case 6:
case 7:
maxValue = buffer[num3++];
num6 -= 5;
break;
case 8:
num13 = buffer[num3++] & 0xff;
num14 = buffer[num3++] & 0xff;
break;
case 9:
num16 = 3;
num6 = 2;
num11 = 3;
break;
case 10:
num16 = 5;
num6 = 2;
num11 = 5;
break;
}
num10 = num6;
num15 = 0;
while (num7 > 0)
{
int num18;
int num19;
int num20;
int num21;
int num22;
int num23;
int num24;
int num25;
int num26;
int num27;
int num28;
if (offset >= width)
{
if (height <= 0)
{
throw new RDFatalException("Decompressing bitmap failed! Height = " + height.ToString());
}
offset = 0;
height--;
startOffset = startlocation;
startlocation = num4 + (height * width);
}
switch (num6)
{
case 0:
if (!flag)
{
goto Label_02CE;
}
if (startOffset != 0)
{
break;
}
input[startlocation + offset] = (byte)maxValue;
goto Label_02BF;
case 1:
if (startOffset == 0)
{
goto Label_03BC;
}
goto Label_0429;
case 2:
if (startOffset == 0)
{
goto Label_04C7;
}
goto Label_0596;
case 3:
goto Label_0634;
case 4:
goto Label_0696;
case 8:
goto Label_0714;
case 13:
goto Label_0790;
case 14:
goto Label_07E8;
default:
throw new RDFatalException("Incorrect decompress opcode " + num6.ToString());
}
input[startlocation + offset] = (byte)(input[startOffset + offset] ^ ((byte)maxValue));
Label_02BF:
flag = false;
num7--;
offset++;
Label_02CE:
if (startOffset == 0)
{
goto Label_02FA;
}
goto Label_035A;
Label_02D6:
num28 = 0;
while (num28 < 8)
{
input[startlocation + offset] = 0;
num7--;
offset++;
num28++;
}
Label_02FA:
if (((num7 & -8) != 0) && ((offset + 8) < width))
{
goto Label_02D6;
}
while ((num7 > 0) && (offset < width))
{
input[startlocation + offset] = 0;
num7--;
offset++;
}
continue;
Label_0330:
num18 = 0;
while (num18 < 8)
{
input[startlocation + offset] = input[startOffset + offset];
num7--;
offset++;
num18++;
}
Label_035A:
if (((num7 & -8) == 0) || ((offset + 8) >= width))
{
goto Label_0384;
}
goto Label_0330;
Label_036A:
input[startlocation + offset] = input[startOffset + offset];
num7--;
offset++;
Label_0384:
if ((num7 > 0) && (offset < width))
{
goto Label_036A;
}
continue;
Label_0396:
num19 = 0;
while (num19 < 8)
{
input[startlocation + offset] = (byte)maxValue;
num7--;
offset++;
num19++;
}
Label_03BC:
if (((num7 & -8) == 0) || ((offset + 8) >= width))
{
goto Label_03E2;
}
goto Label_0396;
Label_03CC:
input[startlocation + offset] = (byte)maxValue;
num7--;
offset++;
Label_03E2:
if ((num7 > 0) && (offset < width))
{
goto Label_03CC;
}
continue;
Label_03F4:
num20 = 0;
while (num20 < 8)
{
setli(input, startlocation, offset, getli(input, startOffset, offset, 1) ^ maxValue, 1);
num7--;
offset++;
num20++;
}
Label_0429:
if (((num7 & -8) == 0) || ((offset + 8) >= width))
{
goto Label_045E;
}
goto Label_03F4;
Label_0439:
setli(input, startlocation, offset, getli(input, startOffset, offset, 1) ^ maxValue, 1);
num7--;
offset++;
Label_045E:
if ((num7 > 0) && (offset < width))
{
goto Label_0439;
}
continue;
Label_0470:
num21 = 0;
while (num21 < 8)
{
num15 = (byte)(num15 << 1);
if (num15 == 0)
{
num16 = (num11 != 0) ? ((byte)num11) : buffer[num3++];
num15 = 1;
}
if ((num16 & num15) != 0)
{
input[startlocation + offset] = (byte)maxValue;
}
else
{
input[startlocation + offset] = 0;
}
num7--;
offset++;
num21++;
}
Label_04C7:
if (((num7 & -8) == 0) || ((offset + 8) >= width))
{
goto Label_051E;
}
goto Label_0470;
Label_04D7:
num15 = (byte)(num15 << 1);
if (num15 == 0)
{
num16 = (num11 != 0) ? ((byte)num11) : buffer[num3++];
num15 = 1;
}
if ((num16 & num15) != 0)
{
input[startlocation + offset] = (byte)maxValue;
}
else
{
input[startlocation + offset] = 0;
}
num7--;
offset++;
Label_051E:
if ((num7 > 0) && (offset < width))
{
goto Label_04D7;
}
continue;
Label_0530:
num22 = 0;
while (num22 < 8)
{
num15 = (byte)(num15 << 1);
if (num15 == 0)
{
num16 = (num11 != 0) ? ((byte)num11) : buffer[num3++];
num15 = 1;
}
if ((num16 & num15) != 0)
{
input[startlocation + offset] = (byte)(input[startOffset + offset] ^ ((byte)maxValue));
}
else
{
input[startlocation + offset] = input[startOffset + offset];
}
num7--;
offset++;
num22++;
}
Label_0596:
if (((num7 & -8) == 0) || ((offset + 8) >= width))
{
goto Label_05FC;
}
goto Label_0530;
Label_05A6:
num15 = (byte)(num15 << 1);
if (num15 == 0)
{
num16 = (num11 != 0) ? ((byte)num11) : buffer[num3++];
num15 = 1;
}
if ((num16 & num15) != 0)
{
input[startlocation + offset] = (byte)(input[startOffset + offset] ^ ((byte)maxValue));
}
else
{
input[startlocation + offset] = input[startOffset + offset];
}
num7--;
offset++;
Label_05FC:
if ((num7 > 0) && (offset < width))
{
goto Label_05A6;
}
continue;
Label_060E:
num23 = 0;
while (num23 < 8)
{
input[startlocation + offset] = (byte)num14;
num7--;
offset++;
num23++;
}
Label_0634:
if (((num7 & -8) == 0) || ((offset + 8) >= width))
{
goto Label_065A;
}
goto Label_060E;
Label_0644:
input[startlocation + offset] = (byte)num14;
num7--;
offset++;
Label_065A:
if ((num7 > 0) && (offset < width))
{
goto Label_0644;
}
continue;
Label_066C:
num24 = 0;
while (num24 < 8)
{
input[startlocation + offset] = buffer[num3++];
num7--;
offset++;
num24++;
}
Label_0696:
if (((num7 & -8) == 0) || ((offset + 8) >= width))
{
goto Label_06C0;
}
goto Label_066C;
Label_06A6:
input[startlocation + offset] = buffer[num3++];
num7--;
offset++;
Label_06C0:
if ((num7 > 0) && (offset < width))
{
goto Label_06A6;
}
continue;
Label_06D2:
num25 = 0;
while (num25 < 8)
{
if (flag2)
{
input[startlocation + offset] = (byte)num14;
flag2 = false;
}
else
{
input[startlocation + offset] = (byte)num13;
flag2 = true;
num7++;
}
num7--;
offset++;
num25++;
}
Label_0714:
if (((num7 & -8) == 0) || ((offset + 8) >= width))
{
goto Label_0756;
}
goto Label_06D2;
Label_0724:
if (flag2)
{
input[startlocation + offset] = (byte)num14;
flag2 = false;
}
else
{
input[startlocation + offset] = (byte)num13;
flag2 = true;
num7++;
}
num7--;
offset++;
Label_0756:
if ((num7 > 0) && (offset < width))
{
goto Label_0724;
}
continue;
Label_0768:
num26 = 0;
while (num26 < 8)
{
input[startlocation + offset] = 0xff;
num7--;
offset++;
num26++;
}
Label_0790:
if (((num7 & -8) == 0) || ((offset + 8) >= width))
{
goto Label_07B8;
}
goto Label_0768;
Label_07A0:
input[startlocation + offset] = 0xff;
num7--;
offset++;
Label_07B8:
if ((num7 > 0) && (offset < width))
{
goto Label_07A0;
}
continue;
Label_07C4:
num27 = 0;
while (num27 < 8)
{
input[startlocation + offset] = 0;
num7--;
offset++;
num27++;
}
Label_07E8:
if (((num7 & -8) == 0) || ((offset + 8) >= width))
{
goto Label_080C;
}
goto Label_07C4;
Label_07F8:
input[startlocation + offset] = 0;
num7--;
offset++;
Label_080C:
if ((num7 > 0) && (offset < width))
{
goto Label_07F8;
}
}
}
_g++;
return(input);
}
private static void processGlyphIndex(RdpPacket data, int present, bool delta)
{
if ((present & 1) != 0)
{
Text2Order.Font = data.ReadByte();
}
if ((present & 2) != 0)
{
Text2Order.Flags = data.ReadByte();
}
if ((present & 4) != 0)
{
Text2Order.Opcode = data.ReadByte();
}
if ((present & 8) != 0)
{
Text2Order.Mixmode = data.ReadByte();
}
if ((present & 0x10) != 0)
{
Text2Order.ForegroundColor = setColor(data);
}
if ((present & 0x20) != 0)
{
Text2Order.BackgroundColor = setColor(data);
}
if ((present & 0x40) != 0)
{
Text2Order.ClipLeft = data.ReadLittleEndian16();
}
if ((present & 0x80) != 0)
{
Text2Order.ClipTop = data.ReadLittleEndian16();
}
if ((present & 0x100) != 0)
{
Text2Order.ClipRight = data.ReadLittleEndian16();
}
if ((present & 0x200) != 0)
{
Text2Order.ClipBottom = data.ReadLittleEndian16();
}
if ((present & 0x400) != 0)
{
Text2Order.BoxLeft = data.ReadLittleEndian16();
}
if ((present & 0x800) != 0)
{
Text2Order.BoxTop = data.ReadLittleEndian16();
}
if ((present & 0x1000) != 0)
{
Text2Order.BoxRight = data.ReadLittleEndian16();
}
if ((present & 0x2000) != 0)
{
Text2Order.BoxBottom = data.ReadLittleEndian16();
}
parseBrush(data, Text2Order.Brush, present >> 14);
if ((present & 0x80000) != 0)
{
Text2Order.X = data.ReadLittleEndian16();
}
if ((present & 0x100000) != 0)
{
Text2Order.Y = data.ReadLittleEndian16();
}
if ((present & 0x200000) != 0)
{
int num = data.ReadByte();
Text2Order.GlyphLength = num;
byte[] buffer = new byte[num];
data.Read(buffer, 0, buffer.Length);
Text2Order.GlyphIndices = buffer;
}
Text2Order.drawText();
}
public static uint[] decompressInt(int width, int height, int size, RdpPacket data, int Bpp)
{
byte[] buffer = new byte[size];
data.Read(buffer, 0, size);
int num = -1;
int num2 = 0;
int offset = 0;
int num4 = 0;
int num5 = size;
int num6 = 0;
uint num7 = 0;
int num8 = 0;
int num9 = width;
int num10 = -1;
int num11 = 0;
int num12 = 0;
uint num13 = 0;
uint num14 = 0;
byte num15 = 0;
int num16 = 0;
uint maxValue = uint.MaxValue;
bool flag = false;
bool flag2 = false;
bool flag3 = false;
uint[] numArray = new uint[width * height];
try
{
while (offset < num5)
{
num11 = 0;
num12 = buffer[offset++] & 0xff;
num6 = num12 >> 4;
switch (num6)
{
case 12:
case 13:
case 14:
num6 -= 6;
num7 = (uint)(num12 & 15);
num8 = 0x10;
goto Label_00F8;
case 15:
num6 = num12 & 15;
if (num6 >= 9)
{
break;
}
num7 = (uint)(buffer[offset++] & 0xff);
num7 |= (uint)((buffer[offset++] & 0xff) << 8);
goto Label_00E2;
default:
num6 = num6 >> 1;
num7 = (uint)(num12 & 0x1f);
num8 = 0x20;
goto Label_00F8;
}
num7 = (uint)(num6 < 11 ? 8 : 1);
Label_00E2:
num8 = 0;
Label_00F8:
if (num8 != 0)
{
flag3 = (num6 == 2) || (num6 == 7);
if (num7 == 0)
{
if (flag3)
{
num7 = (uint)((buffer[offset++] & 0xff) + 1);
}
else
{
num7 = (uint)((buffer[offset++] & 0xff) + num8);
}
}
else if (flag3)
{
num7 = num7 << 3;
}
}
switch (num6)
{
case 0:
if ((num10 == num6) && ((num9 != width) || (num != -1)))
{
flag = true;
}
goto Label_01DF;
case 3:
break;
case 6:
case 7:
maxValue = cvalx(buffer, offset, Bpp);
offset += Bpp;
num6 -= 5;
goto Label_01DF;
case 8:
num13 = cvalx(buffer, offset, Bpp);
offset += Bpp;
break;
case 9:
num16 = 3;
num6 = 2;
num11 = 3;
goto Label_01DF;
case 10:
num16 = 5;
num6 = 2;
num11 = 5;
goto Label_01DF;
default:
goto Label_01DF;
}
num14 = cvalx(buffer, offset, Bpp);
offset += Bpp;
Label_01DF:
num10 = num6;
num15 = 0;
while (num7 > 0)
{
int num19;
int num20;
int num21;
int num22;
int num23;
int num24;
int num25;
int num26;
int num27;
int num28;
if (num9 >= width)
{
if (height <= 0)
{
throw new RDFatalException("Illegal int bitmap height: " + height.ToString());
}
num9 = 0;
height--;
num = num2;
num2 = num4 + (height * width);
}
switch (num6)
{
case 0:
if (!flag)
{
goto Label_029B;
}
if (num != -1)
{
break;
}
numArray[num2 + num9] = maxValue;
goto Label_028C;
case 1:
if (num != -1)
{
goto Label_0402;
}
goto Label_039A;
case 2:
if (num != -1)
{
goto Label_0571;
}
goto Label_04A3;
case 3:
goto Label_060F;
case 4:
goto Label_067B;
case 8:
goto Label_0702;
case 13:
goto Label_0780;
case 14:
goto Label_07DC;
default:
throw new RDFatalException("Illegal int bitmap opcode in " + num6.ToString());
}
numArray[num2 + num9] = numArray[num + num9] ^ maxValue;
Label_028C:
flag = false;
num7--;
num9++;
Label_029B:
if (num != -1)
{
goto Label_032C;
}
while (((num7 & 18446744073709551608L) != 0L) && ((num9 + 8) < width))
{
for (int i = 0; i < 8; i++)
{
numArray[num2 + num9] = 0;
num7--;
num9++;
}
}
while ((num7 > 0) && (num9 < width))
{
numArray[num2 + num9] = 0;
num7--;
num9++;
}
continue;
Label_0302:
num19 = 0;
while (num19 < 8)
{
numArray[num2 + num9] = numArray[num + num9];
num7--;
num9++;
num19++;
}
Label_032C:
if (((num7 & 18446744073709551608L) != 0L) && ((num9 + 8) < width))
{
goto Label_0302;
}
while ((num7 > 0) && (num9 < width))
{
numArray[num2 + num9] = numArray[num + num9];
num7--;
num9++;
}
continue;
Label_0375:
num20 = 0;
while (num20 < 8)
{
numArray[num2 + num9] = maxValue;
num7--;
num9++;
num20++;
}
Label_039A:
if (((num7 & 18446744073709551608L) != 0L) && ((num9 + 8) < width))
{
goto Label_0375;
}
while ((num7 > 0) && (num9 < width))
{
numArray[num2 + num9] = maxValue;
num7--;
num9++;
}
continue;
Label_03D5:
num21 = 0;
while (num21 < 8)
{
numArray[num2 + num9] = numArray[num + num9] ^ maxValue;
num7--;
num9++;
num21++;
}
Label_0402:
if (((num7 & 18446744073709551608L) != 0L) && ((num9 + 8) < width))
{
goto Label_03D5;
}
while ((num7 > 0) && (num9 < width))
{
numArray[num2 + num9] = numArray[num + num9] ^ maxValue;
num7--;
num9++;
}
continue;
Label_044E:
num22 = 0;
while (num22 < 8)
{
num15 = (byte)(num15 << 1);
if (num15 == 0)
{
num16 = (num11 != 0) ? num11 : buffer[offset++];
num15 = 1;
}
if ((num16 & num15) != 0)
{
numArray[num2 + num9] = maxValue;
}
else
{
numArray[num2 + num9] = 0;
}
num7--;
num9++;
num22++;
}
Label_04A3:
if (((num7 & 18446744073709551608L) != 0L) && ((num9 + 8) < width))
{
goto Label_044E;
}
while ((num7 > 0) && (num9 < width))
{
num15 = (byte)(num15 << 1);
if (num15 == 0)
{
num16 = (num11 != 0) ? num11 : buffer[offset++];
num15 = 1;
}
if ((num16 & num15) != 0)
{
numArray[num2 + num9] = maxValue;
}
else
{
numArray[num2 + num9] = 0;
}
num7--;
num9++;
}
continue;
Label_050E:
num23 = 0;
while (num23 < 8)
{
num15 = (byte)(num15 << 1);
if (num15 == 0)
{
num16 = (num11 != 0) ? num11 : buffer[offset++];
num15 = 1;
}
if ((num16 & num15) != 0)
{
numArray[num2 + num9] = numArray[num + num9] ^ maxValue;
}
else
{
numArray[num2 + num9] = numArray[num + num9];
}
num7--;
num9++;
num23++;
}
Label_0571:
if (((num7 & 18446744073709551608L) != 0L) && ((num9 + 8) < width))
{
goto Label_050E;
}
while ((num7 > 0) && (num9 < width))
{
num15 = (byte)(num15 << 1);
if (num15 == 0)
{
num16 = (num11 != 0) ? num11 : buffer[offset++];
num15 = 1;
}
if ((num16 & num15) != 0)
{
numArray[num2 + num9] = numArray[num + num9] ^ maxValue;
}
else
{
numArray[num2 + num9] = numArray[num + num9];
}
num7--;
num9++;
}
continue;
Label_05EA:
num24 = 0;
while (num24 < 8)
{
numArray[num2 + num9] = num14;
num7--;
num9++;
num24++;
}
Label_060F:
if (((num7 & 18446744073709551608L) != 0L) && ((num9 + 8) < width))
{
goto Label_05EA;
}
while ((num7 > 0) && (num9 < width))
{
numArray[num2 + num9] = num14;
num7--;
num9++;
}
continue;
Label_064A:
num25 = 0;
while (num25 < 8)
{
numArray[num2 + num9] = cvalx(buffer, offset, Bpp);
offset += Bpp;
num7--;
num9++;
num25++;
}
Label_067B:
if (((num7 & 18446744073709551608L) != 0L) && ((num9 + 8) < width))
{
goto Label_064A;
}
while ((num7 > 0) && (num9 < width))
{
numArray[num2 + num9] = cvalx(buffer, offset, Bpp);
offset += Bpp;
num7--;
num9++;
}
continue;
Label_06C2:
num26 = 0;
while (num26 < 8)
{
if (flag2)
{
numArray[num2 + num9] = num14;
flag2 = false;
}
else
{
numArray[num2 + num9] = num13;
flag2 = true;
num7++;
}
num7--;
num9++;
num26++;
}
Label_0702:
if (((num7 & 18446744073709551608L) != 0L) && ((num9 + 8) < width))
{
goto Label_06C2;
}
while ((num7 > 0) && (num9 < width))
{
if (flag2)
{
numArray[num2 + num9] = num14;
flag2 = false;
}
else
{
numArray[num2 + num9] = num13;
flag2 = true;
num7++;
}
num7--;
num9++;
}
continue;
Label_0758:
num27 = 0;
while (num27 < 8)
{
numArray[num2 + num9] = 0xffffff;
num7--;
num9++;
num27++;
}
Label_0780:
if (((num7 & 18446744073709551608L) != 0L) && ((num9 + 8) < width))
{
goto Label_0758;
}
while ((num7 > 0) && (num9 < width))
{
numArray[num2 + num9] = 0xffffff;
num7--;
num9++;
}
continue;
Label_07B8:
num28 = 0;
while (num28 < 8)
{
numArray[num2 + num9] = 0;
num7--;
num9++;
num28++;
}
Label_07DC:
if (((num7 & 18446744073709551608L) != 0L) && ((num9 + 8) < width))
{
goto Label_07B8;
}
while ((num7 > 0) && (num9 < width))
{
numArray[num2 + num9] = 0;
num7--;
num9++;
}
}
}
}
catch
{
}
return(numArray);
}
private static void processBitmapCache(RdpPacket data, bool bCompressed, bool bNoCompressionHdr)
{
int num2;
int num = num2 = 0;
int num3 = data.ReadByte();
data.ReadByte();
int width = data.ReadByte();
int height = data.ReadByte();
int bpp = (data.ReadByte() + 7) / 8;
num = data.ReadLittleEndian16();
int num8 = data.ReadLittleEndian16();
if (!bCompressed)
{
byte[] buffer = new byte[(width * height) * bpp];
int offset = (height - 1) * (width * bpp);
for (int i = 0; i < height; i++)
{
data.Read(buffer, offset, width * bpp);
offset -= width * bpp;
}
Cache.putBitmap(num3, num8, new RdpBitmap(buffer, width, height, bpp, 0, 0), 0);
}
else
{
if (!bNoCompressionHdr)
{
data.ReadLittleEndian16();
num2 = data.ReadLittleEndian16();
data.ReadLittleEndian16();
data.ReadLittleEndian16();
}
else
{
num2 = num;
}
if (bpp == 1)
{
byte[] buffer2 = RdpBitmap.decompress(width, height, num2, data, bpp);
if (buffer2 != null)
{
Cache.putBitmap(num3, num8, new RdpBitmap(buffer2, width, height, bpp, 0, 0), 0);
}
}
else
{
uint[] numArray = RdpBitmap.decompressInt(width, height, num2, data, bpp);
if (numArray != null)
{
Cache.putBitmap(num3, num8, new RdpBitmap(numArray, width, height, bpp, 0, 0), 0);
}
}
}
}
private static void process_bmpdata(RdpPacket data, int flags, int cache_id, int cache_idx, ulong persist_key)
{
RdpBitmap bitmap;
byte[] buffer;
int bpp = data.ReadByte();
data.ReadByte();
data.ReadByte();
int num2 = data.ReadByte();
int width = data.ReadLittleEndian16();
int height = data.ReadLittleEndian16();
int size = data.ReadLittleEndian32();
if (num2 == 1)
{
if (bpp == 1)
{
buffer = RdpBitmap.decompress(width, height, size, data, bpp);
if (buffer == null)
{
return;
}
bitmap = new RdpBitmap(buffer, width, height, bpp, 0, 0);
}
else
{
uint[] numArray = RdpBitmap.decompressInt(width, height, size, data, bpp);
if (numArray == null)
{
return;
}
bitmap = new RdpBitmap(numArray, width, height, bpp, 0, 0);
}
}
else
{
buffer = new byte[(width * height) * bpp];
for (int i = 0; i < height; i++)
{
data.Read(buffer, ((height - i) - 1) * (width * bpp), width * bpp);
}
if (bpp == 1)
{
bitmap = new RdpBitmap(buffer, width, height, bpp, 0, 0);
}
else
{
bitmap = new RdpBitmap(RdpBitmap.convertImage(buffer, bpp), width, height, bpp, 0, 0);
}
}
if (bitmap != null)
{
Cache.putBitmap(cache_id, cache_idx, bitmap, 0);
if ((flags & 0x100) != 0)
{
bitmap.PersistCache(persist_key);
Cache.m_BitmapCaches++;
}
}
}
private static void process_bmpcache2(RdpPacket data, int flags, bool compressed)
{
RdpBitmap bitmap;
int num3;
int num4;
byte[] buffer;
ulong key = 0L;
int num2 = flags & 7;
int bpp = ((flags & 0x38) >> 3) - 2;
if ((flags & 0x800) != 0)
{
throw new RDFatalException("DO_NOT_CACHE flag not supported!");
}
if ((flags & 0x100) != 0)
{
byte[] buffer2 = new byte[8];
data.Read(buffer2, 0, buffer2.Length);
key = BitConverter.ToUInt64(buffer2, 0);
}
if ((flags & 0x80) != 0)
{
num3 = data.ReadEncodedUnsigned16();
num4 = num3;
}
else
{
num3 = data.ReadEncodedUnsigned16();
num4 = data.ReadEncodedUnsigned16();
}
int size = data.ReadEncoded32();
int num6 = data.ReadEncodedUnsigned16();
if (compressed)
{
if ((flags & 0x400) == 0)
{
data.Position += 8L;
size -= 8;
}
if (bpp == 1)
{
buffer = RdpBitmap.decompress(num3, num4, size, data, bpp);
if (buffer == null)
{
return;
}
bitmap = new RdpBitmap(buffer, num3, num4, bpp, 0, 0);
}
else
{
uint[] numArray = RdpBitmap.decompressInt(num3, num4, size, data, bpp);
if (numArray == null)
{
return;
}
bitmap = new RdpBitmap(numArray, num3, num4, bpp, 0, 0);
}
}
else
{
buffer = new byte[(num3 * num4) * bpp];
for (int i = 0; i < num4; i++)
{
data.Read(buffer, ((num4 - i) - 1) * (num3 * bpp), num3 * bpp);
}
if (bpp == 1)
{
bitmap = new RdpBitmap(buffer, num3, num4, bpp, 0, 0);
}
else
{
bitmap = new RdpBitmap(RdpBitmap.convertImage(buffer, bpp), num3, num4, bpp, 0, 0);
}
}
if (bitmap != null)
{
Cache.putBitmap(num2, num6, bitmap, 0);
if ((flags & 0x100) != 0)
{
bitmap.PersistCache(key);
Cache.m_BitmapCaches++;
}
}
}
public void channel_process(RdpPacket data)
{
byte[] buffer = new byte[2];
data.Read(buffer, 0, 2);
var num = (MsgType)BitConverter.ToUInt16(buffer, 0);
Debug.WriteLine(num);
// Проверка, загружен ли файл
if (!IsFileLoaded)
{
return;
}
switch (num)
{
case MsgType.CB_MONITOR_READY:
serverMonitorReady(data);
clientClipboardCapabilities();
//clientTemporaryDirectory();
clientFormatList();
break;
case MsgType.CB_FORMAT_LIST:
break;
case MsgType.CB_FORMAT_LIST_RESPONSE:
serverFormatListResponse(data);
break;
case MsgType.CB_FORMAT_DATA_REQUEST:
serverFormatDataRequest(data);
clientFormatDataResponse();
break;
case MsgType.CB_FORMAT_DATA_RESPONSE:
break;
case MsgType.CB_TEMP_DIRECTORY:
break;
case MsgType.CB_CLIP_CAPS:
serverClipboardCapabilities(data);
break;
case MsgType.CB_FILECONTENTS_REQUEST:
serverFileContentsRequest(data);
clientFileContentsResponse();
break;
case MsgType.CB_FILECONTENTS_RESPONSE:
break;
case MsgType.CB_LOCK_CLIPDATA:
break;
case MsgType.CB_UNLOCK_CLIPDATA:
break;
default:
break;
}
}
internal static void processBitmapUpdates(RdpPacket data)
{
int num = 0;
int x = 0;
int y = 0;
int num4 = 0;
int num5 = 0;
int cx = 0;
int cy = 0;
int num8 = 0;
int num9 = 0;
int num10 = 0;
int num11 = 0;
int size = 0;
byte[] buffer = null;
num = data.ReadLittleEndian16();
for (int i = 0; i < num; i++)
{
x = data.ReadLittleEndian16();
y = data.ReadLittleEndian16();
num4 = data.ReadLittleEndian16();
num5 = data.ReadLittleEndian16();
cx = data.ReadLittleEndian16();
cy = data.ReadLittleEndian16();
int bpp = (data.ReadLittleEndian16() + 7) / 8;
num10 = data.ReadLittleEndian16();
num11 = data.ReadLittleEndian16();
num8 = (num4 - x) + 1;
num9 = (num5 - y) + 1;
if (num10 == 0)
{
buffer = new byte[(cx * cy) * bpp];
for (int j = 0; j < cy; j++)
{
data.Read(buffer, ((cy - j) - 1) * (cx * bpp), cx * bpp);
}
uint[] src = RdpBitmap.convertImage(buffer, bpp);
ChangedRect.Invalidate(x, y, cx, cy);
Options.Canvas.SetPixels(x, y, num8, num9, src, 0, 0, cx);
}
else
{
if ((num10 & 0x400) != 0)
{
size = num11;
}
else
{
data.Position += 2L;
size = data.ReadLittleEndian16();
data.Position += 4L;
}
if (bpp == 1)
{
buffer = RdpBitmap.decompress(cx, cy, size, data, bpp);
ChangedRect.Invalidate(x, y, num8, num9);
for (int k = 0; k < num9; k++)
{
int index = k * cx;
int num18 = 0;
while (num18 < num8)
{
int num19 = buffer[index];
Options.Canvas.SetPixel(x + num18, y + k, RdpBitmap.convertFrom8bit(num19));
num18++;
index++;
}
}
}
else
{
uint[] numArray2 = RdpBitmap.decompressInt(cx, cy, size, data, bpp);
ChangedRect.Invalidate(x, y, num8, num9);
Options.Canvas.SetPixels(x, y, num8, num9, numArray2, 0, 0, cx);
}
}
}
}