public StackPacket DecodeFrameAcknowledgePDU(
byte[] data,
byte[] decryptedUserData,
SecurityHeaderType type)
{
TS_FRAME_ACKNOWLEDGE_PDU pdu = new TS_FRAME_ACKNOWLEDGE_PDU();
// data index
int dataIndex = 0;
// SlowPathOutputPDU: commonHeader
pdu.commonHeader = ParseMcsCommonHeader(data, ref dataIndex, type);
// user data index
int userDataIndex = 0;
// Share Data Header
pdu.shareDataHeader = ParseTsShareDataHeader(decryptedUserData, ref userDataIndex);
//frame id
pdu.frameID = ParseUInt32(decryptedUserData, ref userDataIndex, false);
// ETW Provider Dump Message
if (pdu.commonHeader.securityHeader != null)
{
// RDP Standard Security
string messageName = "RDPBCGR:" + pdu.GetType().Name;
ExtendedLogger.DumpMessage(messageName, RdpbcgrUtility.DumpLevel_Layer3, pdu.GetType().Name, decryptedUserData);
}
// Check if data length exceeded expectation
VerifyDataLength(decryptedUserData.Length, userDataIndex, ConstValue.ERROR_MESSAGE_DATA_LENGTH_EXCEEDED);
return pdu;
}