public byte[] GetBytes()
{
int fixedLength = 32;
if ((NegotiateFlags & NegotiateFlags.NegotiateVersion) > 0)
{
fixedLength += 8;
}
int payloadLength = DomainName.Length * 2 + Workstation.Length * 2;
byte[] buffer = new byte[fixedLength + payloadLength];
ByteWriter.WriteAnsiString(buffer, 0, AuthenticationMessageUtils.ValidSignature, 8);
LittleEndianWriter.WriteUInt32(buffer, 8, (uint)MessageType);
LittleEndianWriter.WriteUInt32(buffer, 12, (uint)NegotiateFlags);
if ((NegotiateFlags & NegotiateFlags.NegotiateVersion) > 0)
{
Version.WriteBytes(buffer, 32);
}
int offset = fixedLength;
AuthenticationMessageUtils.WriteBufferPointer(buffer, 16, (ushort)(DomainName.Length * 2), (uint)offset);
ByteWriter.WriteUnicodeString(buffer, ref offset, DomainName);
AuthenticationMessageUtils.WriteBufferPointer(buffer, 16, (ushort)(Workstation.Length * 2), (uint)offset);
ByteWriter.WriteUnicodeString(buffer, ref offset, Workstation);
return(buffer);
}
public byte[] GetBytes()
{
int fixedLength = 48;
if ((NegotiateFlags & NegotiateFlags.NegotiateVersion) > 0)
{
fixedLength += 8;
}
int payloadLength = TargetName.Length * 2 + TargetInfo.Length;
byte[] buffer = new byte[fixedLength + payloadLength];
ByteWriter.WriteAnsiString(buffer, 0, AuthenticationMessageUtils.ValidSignature, 8);
LittleEndianWriter.WriteUInt32(buffer, 8, (uint)MessageType);
LittleEndianWriter.WriteUInt32(buffer, 20, (uint)NegotiateFlags);
ByteWriter.WriteBytes(buffer, 24, ServerChallenge);
if ((NegotiateFlags & NegotiateFlags.NegotiateVersion) > 0)
{
Version.WriteBytes(buffer, 48);
}
int offset = fixedLength;
AuthenticationMessageUtils.WriteBufferPointer(buffer, 12, (ushort)(TargetName.Length * 2), (uint)offset);
ByteWriter.WriteUnicodeString(buffer, ref offset, TargetName);
AuthenticationMessageUtils.WriteBufferPointer(buffer, 40, (ushort)TargetInfo.Length, (uint)offset);
ByteWriter.WriteBytes(buffer, ref offset, TargetInfo);
return(buffer);
}
public NegotiateMessage(byte[] buffer)
{
Signature = ByteReader.ReadAnsiString(buffer, 0, 8);
MessageType = (MessageTypeName)LittleEndianConverter.ToUInt32(buffer, 8);
NegotiateFlags = (NegotiateFlags)LittleEndianConverter.ToUInt32(buffer, 12);
DomainName = AuthenticationMessageUtils.ReadAnsiStringBufferPointer(buffer, 16);
Workstation = AuthenticationMessageUtils.ReadAnsiStringBufferPointer(buffer, 24);
if ((NegotiateFlags & NegotiateFlags.NegotiateVersion) > 0)
{
Version = new Version(buffer, 32);
}
}
public ChallengeMessage(byte[] buffer)
{
Signature = ByteReader.ReadAnsiString(buffer, 0, 8);
MessageType = (MessageTypeName)LittleEndianConverter.ToUInt32(buffer, 8);
TargetName = AuthenticationMessageUtils.ReadUnicodeStringBufferPointer(buffer, 12);
NegotiateFlags = (NegotiateFlags)LittleEndianConverter.ToUInt32(buffer, 20);
ServerChallenge = ByteReader.ReadBytes(buffer, 24, 8);
// Reserved
TargetInfo = AuthenticationMessageUtils.ReadBufferPointer(buffer, 40);
if ((NegotiateFlags & NegotiateFlags.NegotiateVersion) > 0)
{
Version = new Version(buffer, 48);
}
}
public AuthenticateMessage(byte[] buffer)
{
Signature = ByteReader.ReadAnsiString(buffer, 0, 8);
MessageType = (MessageTypeName)LittleEndianConverter.ToUInt32(buffer, 8);
LmChallengeResponse = AuthenticationMessageUtils.ReadBufferPointer(buffer, 12);
NtChallengeResponse = AuthenticationMessageUtils.ReadBufferPointer(buffer, 20);
DomainName = AuthenticationMessageUtils.ReadUnicodeStringBufferPointer(buffer, 28);
UserName = AuthenticationMessageUtils.ReadUnicodeStringBufferPointer(buffer, 36);
WorkStation = AuthenticationMessageUtils.ReadUnicodeStringBufferPointer(buffer, 44);
EncryptedRandomSessionKey = AuthenticationMessageUtils.ReadBufferPointer(buffer, 52);
NegotiateFlags = (NegotiateFlags)LittleEndianConverter.ToUInt32(buffer, 60);
if ((NegotiateFlags & NegotiateFlags.NegotiateVersion) > 0)
{
Version = new Version(buffer, 64);
}
}
public byte[] GetBytes()
{
int fixedLength = 64;
if ((NegotiateFlags & NegotiateFlags.NegotiateVersion) > 0)
{
fixedLength += 8;
}
int payloadLength = LmChallengeResponse.Length + NtChallengeResponse.Length + DomainName.Length * 2 + UserName.Length * 2 + WorkStation.Length * 2 + EncryptedRandomSessionKey.Length;
byte[] buffer = new byte[fixedLength + payloadLength];
ByteWriter.WriteAnsiString(buffer, 0, AuthenticationMessageUtils.ValidSignature, 8);
LittleEndianWriter.WriteUInt32(buffer, 8, (uint)MessageType);
LittleEndianWriter.WriteUInt32(buffer, 60, (uint)NegotiateFlags);
if ((NegotiateFlags & NegotiateFlags.NegotiateVersion) > 0)
{
Version.WriteBytes(buffer, 64);
}
int offset = fixedLength;
AuthenticationMessageUtils.WriteBufferPointer(buffer, 12, (ushort)LmChallengeResponse.Length, (uint)offset);
ByteWriter.WriteBytes(buffer, ref offset, LmChallengeResponse);
AuthenticationMessageUtils.WriteBufferPointer(buffer, 20, (ushort)NtChallengeResponse.Length, (uint)offset);
ByteWriter.WriteBytes(buffer, ref offset, NtChallengeResponse);
AuthenticationMessageUtils.WriteBufferPointer(buffer, 28, (ushort)(DomainName.Length * 2), (uint)offset);
ByteWriter.WriteUnicodeString(buffer, ref offset, DomainName);
AuthenticationMessageUtils.WriteBufferPointer(buffer, 36, (ushort)(UserName.Length * 2), (uint)offset);
ByteWriter.WriteUnicodeString(buffer, ref offset, UserName);
AuthenticationMessageUtils.WriteBufferPointer(buffer, 44, (ushort)(WorkStation.Length * 2), (uint)offset);
ByteWriter.WriteUnicodeString(buffer, ref offset, WorkStation);
AuthenticationMessageUtils.WriteBufferPointer(buffer, 52, (ushort)EncryptedRandomSessionKey.Length, (uint)offset);
ByteWriter.WriteBytes(buffer, ref offset, EncryptedRandomSessionKey);
return(buffer);
}
