freebsd-dev/crypto/heimdal/kdc/rx.h

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/*
* Copyright (c) 1997 Kungliga Tekniska H<EFBFBD>gskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/* $Id: rx.h,v 1.4 1999/12/02 17:05:00 joda Exp $ */
#ifndef __RX_H__
#define __RX_H__
/* header of a RPC packet */
enum rx_header_type {
HT_DATA = 1,
HT_ACK = 2,
HT_BUSY = 3,
HT_ABORT = 4,
HT_ACKALL = 5,
HT_CHAL = 6,
HT_RESP = 7,
HT_DEBUG = 8
};
/* For flags in header */
enum rx_header_flag {
HF_CLIENT_INITIATED = 1,
HF_REQ_ACK = 2,
HF_LAST = 4,
HF_MORE = 8
};
struct rx_header {
u_int32_t epoch;
u_int32_t connid; /* And channel ID */
u_int32_t callid;
u_int32_t seqno;
u_int32_t serialno;
u_char type;
u_char flags;
u_char status;
u_char secindex;
u_int16_t reserved; /* ??? verifier? */
u_int16_t serviceid;
/* This should be the other way around according to everything but */
/* tcpdump */
};
#define RX_HEADER_SIZE 28
#endif /* __RX_H__ */