include/ddk/pfhook.h

/*
 * pfhook.h
 *
 * Packet filter API
 *
 * This file is part of the w32api package.
 *
 * Contributors:
 *   Created by Casper S. Hornstrup <chorns@users.sourceforge.net>
 *
 * THIS SOFTWARE IS NOT COPYRIGHTED
 *
 * This source code is offered for use in the public domain. You may
 * use, modify or distribute it freely.
 *
 * This code is distributed in the hope that it will be useful but
 * WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
 * DISCLAIMED. This includes but is not limited to warranties of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *
 */

#ifndef __PFHOOK_H
#define __PFHOOK_H

#ifdef __cplusplus
extern "C" {
#endif

#define DD_IPFLTRDRVR_DEVICE_NAME         L"\\Device\\IPFILTERDRIVER"

#define INVALID_PF_IF_INDEX               0xffffffff
#define ZERO_PF_IP_ADDR                   0

typedef ULONG IPAddr;

typedef enum _PF_FORWARD_ACTION {
        PF_FORWARD = 0,
        PF_DROP = 1,
        PF_PASS = 2,
        PF_ICMP_ON_DROP = 3
} PF_FORWARD_ACTION;

typedef PF_FORWARD_ACTION
(NTAPI *PacketFilterExtensionPtr)(
  IN unsigned char  *PacketHeader,
  IN unsigned char  *Packet,
  IN unsigned int  PacketLength,
  IN unsigned int  RecvInterfaceIndex,
  IN unsigned int  SendInterfaceIndex,
  IN IPAddr  RecvLinkNextHop,
  IN IPAddr  SendLinkNextHop);

typedef struct _PF_SET_EXTENSION_HOOK_INFO {
  PacketFilterExtensionPtr  ExtensionPointer;
} PF_SET_EXTENSION_HOOK_INFO, *PPF_SET_EXTENSION_HOOK_INFO;

#define FSCTL_IPFLTRDRVR_BASE             FILE_DEVICE_NETWORK

#define _IPFLTRDRVR_CTL_CODE(function, method, access) \
  CTL_CODE(FSCTL_IPFLTRDRVR_BASE, function, method, access)

#define IOCTL_PF_SET_EXTENSION_POINTER \
  _IPFLTRDRVR_CTL_CODE(22, METHOD_BUFFERED, FILE_WRITE_ACCESS)

#ifdef __cplusplus
}
#endif

#endif /* __PFHOOK_H */
Revision:	1166
Committed:	Tue Oct 26 14:22:36 2021 UTC (4 years ago) by rossy
Content type:	text/x-chdr
File size:	1776 byte(s)
Log Message:	Daodan: Replace MinGW build env with an up-to-date MSYS2 env
#	Content
1	/*
2	* pfhook.h
3	*
4	* Packet filter API
5	*
6	* This file is part of the w32api package.
7	*
8	* Contributors:
9	* Created by Casper S. Hornstrup <chorns@users.sourceforge.net>
10	*
11	* THIS SOFTWARE IS NOT COPYRIGHTED
12	*
13	* This source code is offered for use in the public domain. You may
14	* use, modify or distribute it freely.
15	*
16	* This code is distributed in the hope that it will be useful but
17	* WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
18	* DISCLAIMED. This includes but is not limited to warranties of
19	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
20	*
21	*/
22
23	#ifndef __PFHOOK_H
24	#define __PFHOOK_H
25
26	#ifdef __cplusplus
27	extern "C" {
28	#endif
29
30	#define DD_IPFLTRDRVR_DEVICE_NAME L"\\Device\\IPFILTERDRIVER"
31
32	#define INVALID_PF_IF_INDEX 0xffffffff
33	#define ZERO_PF_IP_ADDR 0
34
35	typedef ULONG IPAddr;
36
37	typedef enum _PF_FORWARD_ACTION {
38	PF_FORWARD = 0,
39	PF_DROP = 1,
40	PF_PASS = 2,
41	PF_ICMP_ON_DROP = 3
42	} PF_FORWARD_ACTION;
43
44	typedef PF_FORWARD_ACTION
45	(NTAPI *PacketFilterExtensionPtr)(
46	IN unsigned char *PacketHeader,
47	IN unsigned char *Packet,
48	IN unsigned int PacketLength,
49	IN unsigned int RecvInterfaceIndex,
50	IN unsigned int SendInterfaceIndex,
51	IN IPAddr RecvLinkNextHop,
52	IN IPAddr SendLinkNextHop);
53
54	typedef struct _PF_SET_EXTENSION_HOOK_INFO {
55	PacketFilterExtensionPtr ExtensionPointer;
56	} PF_SET_EXTENSION_HOOK_INFO, *PPF_SET_EXTENSION_HOOK_INFO;
57
58	#define FSCTL_IPFLTRDRVR_BASE FILE_DEVICE_NETWORK
59
60	#define _IPFLTRDRVR_CTL_CODE(function, method, access) \
61	CTL_CODE(FSCTL_IPFLTRDRVR_BASE, function, method, access)
62
63	#define IOCTL_PF_SET_EXTENSION_POINTER \
64	_IPFLTRDRVR_CTL_CODE(22, METHOD_BUFFERED, FILE_WRITE_ACCESS)
65
66	#ifdef __cplusplus
67	}
68	#endif
69
70	#endif /* __PFHOOK_H */