internal NtlmAvPairSingleHostData(MsAvPairType type, uint z4, byte[] custom_data, byte[] machine_id)
: base(type)
{
Z4 = z4;
CustomData = custom_data;
MachineId = machine_id;
}
internal static bool TryParse(BinaryReader reader, out NtlmAvPair av_pair)
{
av_pair = null;
if (reader.RemainingLength() < 4)
{
return(false);
}
MsAvPairType type = (MsAvPairType)reader.ReadInt16();
int length = reader.ReadUInt16();
if (reader.RemainingLength() < length)
{
return(false);
}
switch (type)
{
case MsAvPairType.DnsComputerName:
case MsAvPairType.DnsDomainName:
case MsAvPairType.DnsTreeName:
case MsAvPairType.NbComputerName:
case MsAvPairType.NbDomainName:
case MsAvPairType.TargetName:
if ((length % 1) != 0)
{
return(false);
}
av_pair = new NtlmAvPairString(type, Encoding.Unicode.GetString(reader.ReadBytes(length)));
break;
case MsAvPairType.Timestamp:
if (length != 8)
{
return(false);
}
av_pair = new NtlmAvPairTimestamp(type, reader.ReadInt64());
break;
case MsAvPairType.Flags:
if (length != 4)
{
return(false);
}
av_pair = new NtlmAvPairFlags(type, reader.ReadInt32());
break;
case MsAvPairType.SingleHost:
if (length != 48)
{
return(false);
}
reader.ReadInt32();
uint z4 = reader.ReadUInt32();
byte[] custom_data = reader.ReadBytes(8);
byte[] machine_id = reader.ReadBytes(32);
av_pair = new NtlmAvPairSingleHostData(type, z4, custom_data, machine_id);
break;
default:
av_pair = new NtlmAvPairBytes(type, reader.ReadBytes(length));
break;
}
return(true);
}
internal NtlmAvPairFlags(MsAvPairType type, int value)
: base(type)
{
Value = (MsvAvFlags)value;
}
internal NtlmAvPairBytes(MsAvPairType type, byte[] value)
: base(type)
{
Value = value;
}
internal NtlmAvPairTimestamp(MsAvPairType type, long value)
: base(type)
{
Value = DateTime.FromFileTime(value);
}
internal NtlmAvPairString(MsAvPairType type, string value)
: base(type)
{
Value = value;
}
internal NtlmAvPair(MsAvPairType type)
{
Type = type;
}