/// <summary>
/// copy constructor.
/// </summary>
public NlmpChallengePacket(
NlmpChallengePacket stackPacket
)
: base(stackPacket)
{
this.payload = stackPacket.payload;
if (stackPacket.payload.TargetName != null)
{
this.payload.TargetName =
new byte[stackPacket.payload.TargetName.Length];
Array.Copy(
stackPacket.payload.TargetName,
this.payload.TargetName,
stackPacket.payload.TargetName.Length);
}
if (stackPacket.payload.TargetInfo != null)
{
this.payload.TargetInfo =
new byte[stackPacket.payload.TargetInfo.Length];
Array.Copy(
stackPacket.payload.TargetInfo,
this.payload.TargetInfo,
stackPacket.payload.TargetInfo.Length);
}
}
/// <summary>
/// copy constructor.
/// </summary>
public NlmpChallengePacket(
NlmpChallengePacket stackPacket
)
: base(stackPacket)
{
this.payload = stackPacket.payload;
if (stackPacket.payload.TargetName != null)
{
this.payload.TargetName =
new byte[stackPacket.payload.TargetName.Length];
Array.Copy(
stackPacket.payload.TargetName,
this.payload.TargetName,
stackPacket.payload.TargetName.Length);
}
if (stackPacket.payload.TargetInfo != null)
{
this.payload.TargetInfo =
new byte[stackPacket.payload.TargetInfo.Length];
Array.Copy(
stackPacket.payload.TargetInfo,
this.payload.TargetInfo,
stackPacket.payload.TargetInfo.Length);
}
}
/// <summary>
/// read struct from bytes. All sub class override this to unmarshal itself.
/// </summary>
/// <param name="start">the start to read bytes</param>
/// <param name="packetBytes">the bytes of struct</param>
/// <returns>the read result, if success, return true.</returns>
protected override bool ReadStructFromBytes(
byte[] packetBytes,
int start
)
{
CHALLENGE_MESSAGE challenge = new CHALLENGE_MESSAGE();
challenge.TargetNameFields = NlmpUtility.BytesToStruct <MESSAGE_FIELDS>(packetBytes, ref start);
challenge.NegotiateFlags = (NegotiateTypes)NlmpUtility.BytesToStruct <uint>(packetBytes, ref start);
challenge.ServerChallenge = NlmpUtility.BytesToStruct <ulong>(packetBytes, ref start);
challenge.Reserved = NlmpUtility.BytesToStruct <ulong>(packetBytes, ref start);
challenge.TargetInfoFields = NlmpUtility.BytesToStruct <MESSAGE_FIELDS>(packetBytes, ref start);
// Unmarshal the Version field.
// The Version field is NOT sent or accessed by Windows NT or Windows 2000. Windows NT and Windows 2000
// assume that the Payload field started immediately after WorkstationNameBufferOffset.
if (challenge.TargetInfoFields.BufferOffset != start &&
challenge.TargetNameFields.BufferOffset != start)
{
challenge.Version = NlmpUtility.BytesToStruct <VERSION>(packetBytes, ref start);
}
int currentIndex = 0;
while (currentIndex != start)
{
currentIndex = start;
if (challenge.TargetNameFields.Len != 0 && challenge.TargetNameFields.BufferOffset == start)
{
challenge.TargetName = NlmpUtility.ReadBytes(
packetBytes, ref start, challenge.TargetNameFields.Len);
continue;
}
else if (challenge.TargetInfoFields.Len != 0 && challenge.TargetInfoFields.BufferOffset == start)
{
challenge.TargetInfo = NlmpUtility.ReadBytes(
packetBytes, ref start, challenge.TargetInfoFields.Len);
continue;
}
else
{
break;
}
}
this.payload = challenge;
return(true);
}
/// <summary>
/// read struct from bytes. All sub class override this to unmarshal itself.
/// </summary>
/// <param name="start">the start to read bytes</param>
/// <param name="packetBytes">the bytes of struct</param>
/// <returns>the read result, if success, return true.</returns>
protected override bool ReadStructFromBytes(
byte[] packetBytes,
int start
)
{
CHALLENGE_MESSAGE challenge = new CHALLENGE_MESSAGE();
challenge.TargetNameFields = NlmpUtility.BytesToStruct<MESSAGE_FIELDS>(packetBytes, ref start);
challenge.NegotiateFlags = (NegotiateTypes)NlmpUtility.BytesToStruct<uint>(packetBytes, ref start);
challenge.ServerChallenge = NlmpUtility.BytesToStruct<ulong>(packetBytes, ref start);
challenge.Reserved = NlmpUtility.BytesToStruct<ulong>(packetBytes, ref start);
challenge.TargetInfoFields = NlmpUtility.BytesToStruct<MESSAGE_FIELDS>(packetBytes, ref start);
// Unmarshal the Version field.
// The Version field is NOT sent or accessed by Windows NT or Windows 2000. Windows NT and Windows 2000
// assume that the Payload field started immediately after WorkstationNameBufferOffset.
if (challenge.TargetInfoFields.BufferOffset != start
&& challenge.TargetNameFields.BufferOffset != start)
{
challenge.Version = NlmpUtility.BytesToStruct<VERSION>(packetBytes, ref start);
}
int currentIndex = 0;
while (currentIndex != start)
{
currentIndex = start;
if (challenge.TargetNameFields.Len !=0 && challenge.TargetNameFields.BufferOffset == start)
{
challenge.TargetName = NlmpUtility.ReadBytes(
packetBytes, ref start, challenge.TargetNameFields.Len);
continue;
}
else if (challenge.TargetInfoFields.Len != 0 && challenge.TargetInfoFields.BufferOffset == start)
{
challenge.TargetInfo = NlmpUtility.ReadBytes(
packetBytes, ref start, challenge.TargetInfoFields.Len);
continue;
}
else
{
break;
}
}
this.payload = challenge;
return true;
}
