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Check.h
Package: FireWallSys.rar　[view]
Upload User: yitai_qhd
Upload Date: 2008-04-24
Package Size: 31k
Code Size: 1k
Category:

Firewall-Security

Development Platform:

Visual C++

Check.h：Code Content
  1. #ifndef _CHECK_H
  2. #define _CHECK_H
  4. #include "packet.h"
  5. #include "windef.h"
  6. int CheckTcp(
  7. PIP_HEADER pIpHeader, 
  8. PTCP_HEADER pTcpHeader, 
  9. BOOLEAN IsSend, 
  10. UINT LookaheadBufferSize,
  11. PVOID pVoid
  12. );
  13. int CheckUdp(
  14. PIP_HEADER pIpHeader, 
  15. PUDP_HEADER pUdpHeader, 
  16. BOOLEAN IsSend,
  17. UINT LookaheadBufferSize,
  18. void *pVoid
  19. );
  20. int CheckIcmp(
  21. PIP_HEADER pIpHeader, 
  22. PICMP_HEADER pIcmpHeader, 
  23. BOOLEAN IsSend,
  24. UINT LookaheadBufferSize 
  25. );
  26. unsigned char* IPTrans(DWORD IP);
  27. struct __BUFFER__
  28. {
  29. unsigned char Protocol;
  30. ULONG SourceIp;
  31. ULONG DestinationIp;
  32. ULONG SourcePort : 16;
  33. ULONG DestinationPort : 16;
  34. USHORT TcpFin : 1;
  35. USHORT TcpSyn : 1;
  36. USHORT TcpRst : 1;
  37. USHORT TcpPsh : 1;
  38. USHORT TcpAck : 1;
  39. USHORT TcpUrg : 1;
  41. USHORT Direction : 1;
  42. USHORT SendOrRecv : 1;
  43. USHORT Action : 8;
  46. unsigned char Week;
  47. unsigned char IcmpType;
  48. unsigned char IcmpSubType;
  50. ULONG Time;
  51. };
  52. typedef __BUFFER__ *pBuffer;
  53. #endif