public void setName(CString pBuffer)
{
// Grab Type
int i = 0;
CString servername = pBuffer;
string firsttwo = servername.ReadChars(2);
this.type = "";
foreach (string serverType in serverTypes)
{
if (firsttwo == serverType)
{
pBuffer.Remove(0, 2);
//Console.WriteLine(pBuffer.Text);
this.type = firsttwo.ToString();
break;
}
i++;
}
if (this.type == "3 ")
this.type = "1";
else if (this.type == "P ")
this.type = "2";
else if (this.type == "")
this.type = "3";
else if (this.type == "H ")
this.type = "4";
else if (this.type == "U ")
this.type = "5";
// Set Name
this.name = pBuffer.Text.ToString();
}
/// <summary>
/// Decrypt Packet
/// </summary>
public void DecryptPacket(CString Packet)
{
// Encryption Type
Encrypt.Type EncryptType = Encrypt.Type.UNCOMPRESSED;
// Generation Type
switch (mCodec.Gen)
{
// Unencrypted Packets
case Encrypt.Generation.GEN1:
case Encrypt.Generation.GEN2:
return;
// Zlib
case Encrypt.Generation.GEN3:
mCodec.Apply(Encrypt.CryptType.DECRYPT, Packet, Encrypt.Type.UNCOMPRESSED);
return;
// BZip2
case Encrypt.Generation.GEN4:
EncryptType = Encrypt.Type.BZ2;
break;
// BZip2 / Zlib
case Encrypt.Generation.GEN5:
EncryptType = (Encrypt.Type)Packet.ReadByte();
Packet.Remove(0, 1);
break;
}
// Decrypt Packet
mCodec.Apply(Encrypt.CryptType.DECRYPT, Packet, EncryptType);
// Uncompress Packet
if (EncryptType == Encrypt.Type.ZLIB)
Packet.ZDecompress();
else if (EncryptType == Encrypt.Type.BZ2)
Packet.BDecompress();
}
/// <summary>
/// Apply Encryption
/// </summary>
public void Apply(CryptType Crypt, CString Buffer)
{
// Apply the correct decryption algorithm
switch (mGeneration)
{
// No Encryption
case Generation.GEN1:
case Generation.GEN2:
return;
// Single byte insertion/zlib compression
case Generation.GEN3:
mIterator[(Int32)Crypt] *= 0x8088405;
mIterator[(Int32)Crypt] += mKey;
Buffer.Remove((((Int32)mIterator[(Int32)Crypt] & 0x0FFFF) % Buffer.Length), 1);
break;
// Partial packet encryption/none, zlib, bz2 compression methods.
// Gen 4 is only bz2.
case Generation.GEN4:
case Generation.GEN5:
for (int i = 0; i < Buffer.Length; i++)
{
if (i % 4 == 0)
{
if (mLimit == 0)
return;
mIterator[(Int32)Crypt] *= 0x8088405;
mIterator[(Int32)Crypt] += mKey;
if (mLimit > 0)
mLimit--;
}
Buffer[i] ^= (Byte)((mIterator[(Int32)Crypt] >> ((i % 4) * 8)) & 0xFF);
}
break;
// Future Encryption Method (Graal V6)
case Generation.GEN6:
break;
}
}
