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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [net/] [tcpip/] [v2_0/] [include/] [netinet/] [ip_ah.h] - Rev 663
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//========================================================================== // // include/netinet/ip_ah.h // // // //========================================================================== //####BSDCOPYRIGHTBEGIN#### // // ------------------------------------------- // // Portions of this software may have been derived from OpenBSD or other sources, // and are covered by the appropriate copyright disclaimers included herein. // // ------------------------------------------- // //####BSDCOPYRIGHTEND#### //========================================================================== //#####DESCRIPTIONBEGIN#### // // Author(s): gthomas // Contributors: gthomas // Date: 2000-01-10 // Purpose: // Description: // // //####DESCRIPTIONEND#### // //========================================================================== /* $OpenBSD: ip_ah.h,v 1.19 1999/12/09 10:11:11 angelos Exp $ */ /* * The authors of this code are John Ioannidis (ji@tla.org), * Angelos D. Keromytis (kermit@csd.uch.gr) and * Niels Provos (provos@physnet.uni-hamburg.de). * * This code was written by John Ioannidis for BSD/OS in Athens, Greece, * in November 1995. * * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996, * by Angelos D. Keromytis. * * Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis * and Niels Provos. * * Additional features in 1999 by Angelos D. Keromytis. * * Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis, * Angelos D. Keromytis and Niels Provos. * * Permission to use, copy, and modify this software without fee * is hereby granted, provided that this entire notice is included in * all copies of any software which is or includes a copy or * modification of this software. * You may use this code under the GNU public license if you so wish. Please * contribute changes back to the authors under this freer than GPL license * so that we may further the use of strong encryption without limitations to * all. * * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR * PURPOSE. */ #ifndef _NETINET_IP_AH_H_ #define _NETINET_IP_AH_H_ /* * Authentication Header Processing * Per RFC1826 (Atkinson, 1995) */ struct ah_old { u_int8_t ah_nh; /* Next header (protocol) */ u_int8_t ah_hl; /* AH length, in 32-bit words */ u_int16_t ah_rv; /* reserved, must be 0 */ u_int32_t ah_spi; /* Security Parameters Index */ u_int8_t ah_data[1]; /* More, really */ }; #define AH_OLD_FLENGTH 8 /* size of fixed part */ struct ahstat { u_int32_t ahs_hdrops; /* packet shorter than header shows */ u_int32_t ahs_notdb; u_int32_t ahs_badkcr; u_int32_t ahs_badauth; u_int32_t ahs_noxform; u_int32_t ahs_qfull; u_int32_t ahs_wrap; u_int32_t ahs_replay; u_int32_t ahs_badauthl; /* bad authenticator length */ u_int32_t ahs_input; /* Input AH packets */ u_int32_t ahs_output; /* Output AH packets */ u_int32_t ahs_invalid; /* Trying to use an invalid TDB */ u_int64_t ahs_ibytes; /* input bytes */ u_int64_t ahs_obytes; /* output bytes */ u_int32_t ahs_toobig; /* packet got larger than IP_MAXPACKET */ u_int32_t ahs_pdrops; /* packet blocked due to policy */ }; struct ah_new { u_int8_t ah_nh; /* Next header (protocol) */ u_int8_t ah_hl; /* AH length, in 32-bit words */ u_int16_t ah_rv; /* reserved, must be 0 */ u_int32_t ah_spi; /* Security Parameters Index */ u_int32_t ah_rpl; /* Replay prevention */ u_int8_t ah_data[AH_HMAC_HASHLEN];/* Authenticator */ }; #define AH_NEW_FLENGTH (sizeof(struct ah_new)) /* Size of the largest hash function output used in AH-new, in bytes */ #define AH_MAX_HASHLEN 20 /* * Names for AH sysctl objects */ #define AHCTL_ENABLE 1 /* Enable AH processing */ #define AHCTL_MAXID 2 #define AHCTL_NAMES { \ { 0, 0 }, \ { "enable", CTLTYPE_INT }, \ } #ifdef _KERNEL void ah_input __P((struct mbuf *, ...)); int ah_output __P((struct mbuf *, struct tdb *, struct mbuf **)); int ah_sysctl __P((int *, u_int, void *, size_t *, void *, size_t)); #ifdef INET6 void ah6_input __P((struct mbuf *, ...)); #endif /* INET6 */ extern int ah_enable; struct ahstat ahstat; #endif /* _KERNEL */ #endif // _NETINET_IP_AH_H_
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