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Annotation of sys/netinet/ip_ah.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: ip_ah.h,v 1.31 2004/02/17 12:07:45 markus Exp $       */
        !             2: /*
        !             3:  * The authors of this code are John Ioannidis (ji@tla.org),
        !             4:  * Angelos D. Keromytis (kermit@csd.uch.gr) and
        !             5:  * Niels Provos (provos@physnet.uni-hamburg.de).
        !             6:  *
        !             7:  * The original version of this code was written by John Ioannidis
        !             8:  * for BSD/OS in Athens, Greece, in November 1995.
        !             9:  *
        !            10:  * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996,
        !            11:  * by Angelos D. Keromytis.
        !            12:  *
        !            13:  * Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis
        !            14:  * and Niels Provos.
        !            15:  *
        !            16:  * Additional features in 1999 by Angelos D. Keromytis.
        !            17:  *
        !            18:  * Copyright (C) 1995, 1996, 1997, 1998, 1999 John Ioannidis,
        !            19:  * Angelos D. Keromytis and Niels Provos.
        !            20:  * Copyright (c) 2001 Angelos D. Keromytis.
        !            21:  *
        !            22:  * Permission to use, copy, and modify this software with or without fee
        !            23:  * is hereby granted, provided that this entire notice is included in
        !            24:  * all copies of any software which is or includes a copy or
        !            25:  * modification of this software.
        !            26:  * You may use this code under the GNU public license if you so wish. Please
        !            27:  * contribute changes back to the authors under this freer than GPL license
        !            28:  * so that we may further the use of strong encryption without limitations to
        !            29:  * all.
        !            30:  *
        !            31:  * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
        !            32:  * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
        !            33:  * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
        !            34:  * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
        !            35:  * PURPOSE.
        !            36:  */
        !            37:
        !            38: #ifndef _NETINET_IP_AH_H_
        !            39: #define _NETINET_IP_AH_H_
        !            40:
        !            41: struct ahstat
        !            42: {
        !            43:     u_int32_t  ahs_hdrops;     /* Packet shorter than header shows */
        !            44:     u_int32_t  ahs_nopf;       /* Protocol family not supported */
        !            45:     u_int32_t  ahs_notdb;
        !            46:     u_int32_t  ahs_badkcr;
        !            47:     u_int32_t  ahs_badauth;
        !            48:     u_int32_t  ahs_noxform;
        !            49:     u_int32_t  ahs_qfull;
        !            50:     u_int32_t  ahs_wrap;
        !            51:     u_int32_t  ahs_replay;
        !            52:     u_int32_t  ahs_badauthl;   /* Bad authenticator length */
        !            53:     u_int32_t  ahs_input;      /* Input AH packets */
        !            54:     u_int32_t  ahs_output;     /* Output AH packets */
        !            55:     u_int32_t  ahs_invalid;    /* Trying to use an invalid TDB */
        !            56:     u_int64_t  ahs_ibytes;     /* Input bytes */
        !            57:     u_int64_t  ahs_obytes;     /* Output bytes */
        !            58:     u_int32_t  ahs_toobig;     /* Packet got larger than IP_MAXPACKET */
        !            59:     u_int32_t  ahs_pdrops;     /* Packet blocked due to policy */
        !            60:     u_int32_t  ahs_crypto;     /* Crypto processing failure */
        !            61: };
        !            62:
        !            63: struct ah
        !            64: {
        !            65:     u_int8_t   ah_nh;
        !            66:     u_int8_t   ah_hl;
        !            67:     u_int16_t  ah_rv;
        !            68:     u_int32_t  ah_spi;
        !            69:     u_int32_t  ah_rpl;  /* We may not use this, if we're using old xforms */
        !            70: };
        !            71:
        !            72: /* Length of base AH header */
        !            73: #define AH_FLENGTH             8
        !            74:
        !            75: /* Size of the largest hash function output used in AH-new, in bytes */
        !            76: #define AH_MAX_HASHLEN         20
        !            77:
        !            78: /*
        !            79:  * Names for AH sysctl objects
        !            80:  */
        !            81: #define        AHCTL_ENABLE    1               /* Enable AH processing */
        !            82: #define AHCTL_MAXID    2
        !            83:
        !            84: #define AHCTL_NAMES { \
        !            85:        { 0, 0 }, \
        !            86:        { "enable", CTLTYPE_INT }, \
        !            87: }
        !            88:
        !            89: #define AHCTL_VARS { \
        !            90:        NULL, \
        !            91:        &ah_enable, \
        !            92: }
        !            93:
        !            94: #ifdef _KERNEL
        !            95: extern int ah_enable;
        !            96: extern struct ahstat ahstat;
        !            97: #endif /* _KERNEL */
        !            98: #endif /* _NETINET_IP_AH_H_ */