public bool HasMicField()
{
if (!AuthenticationMessageUtils.IsNTLMv2NTResponse(NtChallengeResponse))
{
return(false);
}
NTLMv2ClientChallenge challenge;
try
{
challenge = new NTLMv2ClientChallenge(NtChallengeResponse, 16);
}
catch
{
return(false);
}
int index = challenge.AVPairs.IndexOfKey(AVPairKey.Flags);
if (index >= 0)
{
byte[] value = challenge.AVPairs[index].Value;
if (value.Length == 4)
{
int flags = LittleEndianConverter.ToInt32(value, 0);
return((flags & 0x02) > 0);
}
}
return(false);
}
public TransactionEntry(byte[] buffer, int offset)
{
AllocatedOrNextFree = LittleEndianConverter.ToUInt32(buffer, offset + 0x00);
TransactionState = (TransactionState)ByteReader.ReadByte(buffer, offset + 0x04);
FirstLsn = LittleEndianConverter.ToUInt64(buffer, offset + 0x08);
PreviousLsn = LittleEndianConverter.ToUInt64(buffer, offset + 0x10);
UndoNextLsn = LittleEndianConverter.ToUInt64(buffer, offset + 0x18);
UndoRecords = LittleEndianConverter.ToUInt32(buffer, offset + 0x20);
UndoBytes = LittleEndianConverter.ToInt32(buffer, offset + 0x24);
}
public Nullable <int> GetInt32Property(int rowIndex, int columnIndex)
{
byte[] cellValue = GetPropertyValue(rowIndex, columnIndex);
if (cellValue == null)
{
return(null);
}
else
{
return(LittleEndianConverter.ToInt32(cellValue, 0));
}
}
public TimeZoneRuleStructure(byte[] buffer, int offset)
{
MajorVersion = ByteReader.ReadByte(buffer, offset + 0);
MinorVersion = ByteReader.ReadByte(buffer, offset + 1);
Reserved = LittleEndianConverter.ToUInt16(buffer, offset + 2);
TZRuleFlags = (TimeZoneRuleFlags)LittleEndianConverter.ToUInt16(buffer, offset + 4);
wYear = LittleEndianConverter.ToUInt16(buffer, offset + 6);
// 14 unused bytes
lBias = LittleEndianConverter.ToInt32(buffer, offset + 22);
lStandardBias = LittleEndianConverter.ToInt32(buffer, offset + 26);
lDaylightBias = LittleEndianConverter.ToInt32(buffer, offset + 30);
stStandardDate = new SystemTime(buffer, offset + 34);
stDaylightDate = new SystemTime(buffer, offset + 50);
}
public TimeZoneStructure(byte[] buffer)
{
lBias = LittleEndianConverter.ToInt32(buffer, 0);
lStandardBias = LittleEndianConverter.ToInt32(buffer, 4);
lDaylightBias = LittleEndianConverter.ToInt32(buffer, 8);
ushort wStandardYear = LittleEndianConverter.ToUInt16(buffer, 12);
stStandardDate = new SystemTime(buffer, 14);
ushort wDaylightYear = LittleEndianConverter.ToUInt16(buffer, 30);
stDaylightDate = new SystemTime(buffer, 32);
if (stStandardDate.wYear != wStandardYear)
{
throw new InvalidPropertyException("Invalid TimeZoneStructure");
}
if (stDaylightDate.wYear != wDaylightYear)
{
throw new InvalidPropertyException("Invalid TimeZoneStructure");
}
}
protected override int ConvertGroupToValue() => LittleEndianConverter.ToInt32(ToBytes());
