www.pudn.com > Hook-Driver£­by.rar > FwHookDrv.h

/* 
 
  FwHookDrv.H 
 
  Author: Jesús O. 
  Last Updated : 12/09/03  
   
*/ 
 
 
// 
// Define the various device type values.  Note that values used by Microsoft 
// Corporation are in the range 0-32767, and 32768-65535 are reserved for use 
// by customers. 
// 
// Device type 
#define FILE_DEVICE_FWHOOKDRV  0x00692322 
 
 
#define FWHOOKDRV_IOCTL_INDEX  0x830 
 
 
// IOCTLs 
#define START_IP_HOOK CTL_CODE(FILE_DEVICE_FWHOOKDRV, FWHOOKDRV_IOCTL_INDEX,METHOD_BUFFERED, FILE_ANY_ACCESS) 
 
#define STOP_IP_HOOK CTL_CODE(FILE_DEVICE_FWHOOKDRV, FWHOOKDRV_IOCTL_INDEX+1, METHOD_BUFFERED, FILE_ANY_ACCESS) 
 
#define ADD_FILTER CTL_CODE(FILE_DEVICE_FWHOOKDRV, FWHOOKDRV_IOCTL_INDEX+2, METHOD_BUFFERED, FILE_WRITE_ACCESS) 
 
#define CLEAR_FILTER CTL_CODE(FILE_DEVICE_FWHOOKDRV, FWHOOKDRV_IOCTL_INDEX+3, METHOD_BUFFERED, FILE_ANY_ACCESS) 
 
 
 
// Structure to define filter rules 
typedef struct filter 
{ 
	USHORT protocol;		// Protocol 
 
	ULONG sourceIp;			// Source Ip 
	ULONG destinationIp;	// Destination Ip 
 
	ULONG sourceMask;		// Source Ip mask 
	ULONG destinationMask;	// Destination Ip mask 
 
	USHORT sourcePort;		// Source port 
	USHORT destinationPort; // Destination port 
	 
	BOOLEAN drop;			// if TRUE, the packet will be dropped 
}IPFilter, *PIPFilter;