private ClientInformation(PacketIn packet)
{
try
{
ProtocolVersion = packet.ReadByte();
var claimedRemainingLength = packet.ReadUInt16();
if (packet.RemainingLength != claimedRemainingLength)
{
Log.Warn(WCell_Core.Auth_Logon_with_invalid_length, claimedRemainingLength, packet.RemainingLength);
}
var clientInstallationType = packet.ReadFourCC();
_clientInstallationType = ClientTypeUtility.Lookup(clientInstallationType);
Version = new ClientVersion(packet.ReadBytes(5));
Architecture = packet.ReadFourCC().TrimEnd('\0');
OS = packet.ReadFourCC().TrimEnd('\0');
var locale = packet.ReadFourCC();
_locale = ClientLocaleUtility.Lookup(locale);
TimeZone = BitConverter.ToUInt32(packet.ReadBytes(4), 0);
IPAddress = new XmlIPAddress(packet.ReadBytes(4));
Log.Info(WCell_Core.ClientInformationFourCCs, ProtocolVersion, ClientInstallationType, Version, Architecture, OS, Locale, TimeZone, IPAddress);
}
catch
{
}
}
/// <summary>
/// Checks if the client's proof matches our proof.
/// </summary>
/// <param name="packet">the packet to read from</param>
/// <returns>true if the client proof matches; false otherwise</returns>
public bool IsClientProofValid(PacketIn packet)
{
m_srp.PublicEphemeralValueA = packet.ReadBigInteger(32);
BigInteger proof = packet.ReadBigInteger(20);
// SHA1 of PublicEphemeralValueA and the 16 random bytes sent in
// AUTH_LOGON_CHALLENGE from the server
byte[] arr = packet.ReadBytes(20);
byte keyCount = packet.ReadByte();
for (int i = 0; i < keyCount; i++)
{
ushort keyUnk1 = packet.ReadUInt16();
uint keyUnk2 = packet.ReadUInt32();
byte[] keyUnkArray = packet.ReadBytes(4);
// sha of the SRP's PublicEphemeralValueA, PublicEphemeralValueB,
// and 20 unknown bytes
byte[] keyUnkSha = packet.ReadBytes(20);
}
byte securityFlags = packet.ReadByte();
if ((securityFlags & 1) != 0)
{
// PIN
byte[] pinRandom = packet.ReadBytes(16);
byte[] pinSha = packet.ReadBytes(20);
}
if ((securityFlags & 2) != 0)
{
byte[] security2Buf = packet.ReadBytes(20);
}
if ((securityFlags & 4) != 0)
{
byte arrLen = packet.ReadByte();
byte[] security4Buf = packet.ReadBytes(arrLen);
}
return m_srp.IsClientProofValid(proof);
}
