unsafe public int GetTCPPart(int CurrentPtr)
{
ushort u = 0;
uint ui = 0;
byte b = 0;
ushort *usptr = ( ushort * )CurrentPtr;
uint * uiptr = ( uint * )CurrentPtr;
byte * ptr = ( byte * )CurrentPtr;
u = AllFunctions.Get2Bytes(ptr, NORMAL); ptr += 2;
PTcp.SourcePort = u;
PTcp.SourcePortStr = GetPortStr((int)u);
u = AllFunctions.Get2Bytes(ptr, NORMAL); ptr += 2;
PTcp.DestinationPort = u;
PTcp.DestinationPortStr = GetPortStr((int)u);
ui = AllFunctions.Get4Bytes(ptr, NORMAL); ptr += 4;
PTcp.SequenceNumber = ui; // ?
ui = AllFunctions.Get4Bytes(ptr, NORMAL); ptr += 4;
PTcp.Acknowledgement = ui;
b = *(ptr++);
PTcp.HeaderLength = (byte)(((int)b >> 4) * 4);
b = *(ptr++);
PTcp.Falgs = b;
PTcp.FalgsStr = GetTCPFLAGSStr(b);
u = AllFunctions.Get2Bytes(ptr, NORMAL); ptr += 2;
PTcp.WindowSize = u;
u = AllFunctions.Get2Bytes(ptr, NORMAL); ptr += 2;
PTcp.Checksum = u;
u = AllFunctions.Get2Bytes(ptr, NORMAL); ptr += 2;
PTcp.Options = u;
return(CurrentPtr + PACKET_TCP_LENGTH);
}
unsafe public int GetEIGRPPart(int CurrentPtr)
{
byte * ptr = ( byte * )CurrentPtr;
ushort u = 0;
uint ui = 0;
byte b = 0;
b = *(ptr++);
PEigrp.Version = b;
b = *(ptr++);
PEigrp.OpCode = b;
u = AllFunctions.Get2Bytes(ptr, NORMAL); ptr += 2;
PEigrp.Checksum = u;
ui = AllFunctions.Get4Bytes(ptr, NORMAL); ptr += 4;
PEigrp.Flags = ui;
ui = AllFunctions.Get4Bytes(ptr, NORMAL); ptr += 4;
PEigrp.Sequence = ui;
ui = AllFunctions.Get4Bytes(ptr, NORMAL); ptr += 4;
PEigrp.Acknowledge = ui;
ui = AllFunctions.Get4Bytes(ptr, NORMAL); ptr += 4;
PEigrp.AutonomousSystem = ui;
u = AllFunctions.Get2Bytes(ptr, NORMAL); ptr += 2;
PEigrp.Parameters.Type = u;
u = AllFunctions.Get2Bytes(ptr, NORMAL); ptr += 2;
PEigrp.Parameters.Size = u;
b = *(ptr++);
PEigrp.Parameters.K1 = b;
b = *(ptr++);
PEigrp.Parameters.K2 = b;
b = *(ptr++);
PEigrp.Parameters.K3 = b;
b = *(ptr++);
PEigrp.Parameters.K4 = b;
b = *(ptr++);
PEigrp.Parameters.K5 = b;
b = *(ptr++);
PEigrp.Parameters.Reserved = b;
u = AllFunctions.Get2Bytes(ptr, NORMAL); ptr += 2;
PEigrp.Parameters.HoldTime = u;
u = AllFunctions.Get2Bytes(ptr, NORMAL); ptr += 2;
PEigrp.Software.Type = u;
u = AllFunctions.Get2Bytes(ptr, NORMAL); ptr += 2;
PEigrp.Software.Size = u;
b = *(ptr++);
PEigrp.Software.IOS = b.ToString() + ".";
b = *(ptr++);
PEigrp.Software.IOS += b.ToString();
b = *(ptr++);
PEigrp.Software.EigrpRelease = b.ToString() + ".";
b = *(ptr++);
PEigrp.Software.EigrpRelease += b.ToString();
return(CurrentPtr + PACKET_EIGRP_LENGTH);
}
