| 1 |
27 |
unneback |
//==========================================================================
|
| 2 |
|
|
//
|
| 3 |
|
|
// include/netinet/ip_ip4.h
|
| 4 |
|
|
//
|
| 5 |
|
|
//
|
| 6 |
|
|
//
|
| 7 |
|
|
//==========================================================================
|
| 8 |
|
|
//####BSDCOPYRIGHTBEGIN####
|
| 9 |
|
|
//
|
| 10 |
|
|
// -------------------------------------------
|
| 11 |
|
|
//
|
| 12 |
|
|
// Portions of this software may have been derived from OpenBSD or other sources,
|
| 13 |
|
|
// and are covered by the appropriate copyright disclaimers included herein.
|
| 14 |
|
|
//
|
| 15 |
|
|
// -------------------------------------------
|
| 16 |
|
|
//
|
| 17 |
|
|
//####BSDCOPYRIGHTEND####
|
| 18 |
|
|
//==========================================================================
|
| 19 |
|
|
//#####DESCRIPTIONBEGIN####
|
| 20 |
|
|
//
|
| 21 |
|
|
// Author(s): gthomas
|
| 22 |
|
|
// Contributors: gthomas
|
| 23 |
|
|
// Date: 2000-01-10
|
| 24 |
|
|
// Purpose:
|
| 25 |
|
|
// Description:
|
| 26 |
|
|
//
|
| 27 |
|
|
//
|
| 28 |
|
|
//####DESCRIPTIONEND####
|
| 29 |
|
|
//
|
| 30 |
|
|
//==========================================================================
|
| 31 |
|
|
|
| 32 |
|
|
|
| 33 |
|
|
/* $OpenBSD: ip_ip4.h,v 1.16 1999/12/09 09:02:59 angelos Exp $ */
|
| 34 |
|
|
|
| 35 |
|
|
/*
|
| 36 |
|
|
* The authors of this code are John Ioannidis (ji@tla.org),
|
| 37 |
|
|
* Angelos D. Keromytis (kermit@csd.uch.gr) and
|
| 38 |
|
|
* Niels Provos (provos@physnet.uni-hamburg.de).
|
| 39 |
|
|
*
|
| 40 |
|
|
* This code was written by John Ioannidis for BSD/OS in Athens, Greece,
|
| 41 |
|
|
* in November 1995.
|
| 42 |
|
|
*
|
| 43 |
|
|
* Ported to OpenBSD and NetBSD, with additional transforms, in December 1996,
|
| 44 |
|
|
* by Angelos D. Keromytis.
|
| 45 |
|
|
*
|
| 46 |
|
|
* Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis
|
| 47 |
|
|
* and Niels Provos.
|
| 48 |
|
|
*
|
| 49 |
|
|
* Additional features in 1999 by Angelos D. Keromytis.
|
| 50 |
|
|
*
|
| 51 |
|
|
* Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis,
|
| 52 |
|
|
* Angelos D. Keromytis and Niels Provos.
|
| 53 |
|
|
*
|
| 54 |
|
|
* Permission to use, copy, and modify this software without fee
|
| 55 |
|
|
* is hereby granted, provided that this entire notice is included in
|
| 56 |
|
|
* all copies of any software which is or includes a copy or
|
| 57 |
|
|
* modification of this software.
|
| 58 |
|
|
* You may use this code under the GNU public license if you so wish. Please
|
| 59 |
|
|
* contribute changes back to the authors under this freer than GPL license
|
| 60 |
|
|
* so that we may further the use of strong encryption without limitations to
|
| 61 |
|
|
* all.
|
| 62 |
|
|
*
|
| 63 |
|
|
* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
|
| 64 |
|
|
* IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
|
| 65 |
|
|
* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
|
| 66 |
|
|
* MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
|
| 67 |
|
|
* PURPOSE.
|
| 68 |
|
|
*/
|
| 69 |
|
|
|
| 70 |
|
|
#ifndef _NETINET_IP_IP4_H_
|
| 71 |
|
|
#define _NETINET_IP_IP4_H_
|
| 72 |
|
|
|
| 73 |
|
|
/*
|
| 74 |
|
|
* IP-inside-IP processing.
|
| 75 |
|
|
* Not quite all the functionality of RFC-1853, but the main idea is there.
|
| 76 |
|
|
*/
|
| 77 |
|
|
|
| 78 |
|
|
struct ip4stat
|
| 79 |
|
|
{
|
| 80 |
|
|
u_int32_t ip4s_ipackets; /* total input packets */
|
| 81 |
|
|
u_int32_t ip4s_opackets; /* total output packets */
|
| 82 |
|
|
u_int32_t ip4s_hdrops; /* packet shorter than header shows */
|
| 83 |
|
|
u_int32_t ip4s_qfull;
|
| 84 |
|
|
u_int64_t ip4s_ibytes;
|
| 85 |
|
|
u_int64_t ip4s_obytes;
|
| 86 |
|
|
u_int32_t ip4s_pdrops; /* packet dropped due to policy */
|
| 87 |
|
|
u_int32_t ip4s_spoof; /* IP spoofing attempts */
|
| 88 |
|
|
u_int32_t ip4s_family; /* Protocol family mismatch */
|
| 89 |
|
|
u_int32_t ip4s_unspec; /* Missing tunnel endpoint address */
|
| 90 |
|
|
};
|
| 91 |
|
|
|
| 92 |
|
|
#define IP4_DEFAULT_TTL 0
|
| 93 |
|
|
#define IP4_SAME_TTL -1
|
| 94 |
|
|
|
| 95 |
|
|
/*
|
| 96 |
|
|
* Names for IP4 sysctl objects
|
| 97 |
|
|
*/
|
| 98 |
|
|
#define IP4CTL_ALLOW 1 /* accept incoming IP4 packets */
|
| 99 |
|
|
#define IP4CTL_MAXID 2
|
| 100 |
|
|
|
| 101 |
|
|
#define IP4CTL_NAMES { \
|
| 102 |
|
|
{ 0, 0 }, \
|
| 103 |
|
|
{ "allow", CTLTYPE_INT }, \
|
| 104 |
|
|
}
|
| 105 |
|
|
|
| 106 |
|
|
#ifdef _KERNEL
|
| 107 |
|
|
int ip4_sysctl __P((int *, u_int, void *, size_t *, void *, size_t));
|
| 108 |
|
|
|
| 109 |
|
|
extern int ip4_allow;
|
| 110 |
|
|
extern struct ip4stat ip4stat;
|
| 111 |
|
|
#endif
|
| 112 |
|
|
|
| 113 |
|
|
#endif // _NETINET_IP_IP4_H_
|
