xref: /freebsd/crypto/heimdal/kdc/rx.h (revision 1e413cf93298b5b97441a21d9a50fdcd0ee9945e)
1 /*
2  * Copyright (c) 1997 Kungliga Tekniska H�gskolan
3  * (Royal Institute of Technology, Stockholm, Sweden).
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  *
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * 3. Neither the name of the Institute nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  */
33 
34 /* $Id: rx.h,v 1.4 1999/12/02 17:05:00 joda Exp $ */
35 
36 #ifndef __RX_H__
37 #define __RX_H__
38 
39 /* header of a RPC packet */
40 
41 enum rx_header_type {
42      HT_DATA = 1,
43      HT_ACK = 2,
44      HT_BUSY = 3,
45      HT_ABORT = 4,
46      HT_ACKALL = 5,
47      HT_CHAL = 6,
48      HT_RESP = 7,
49      HT_DEBUG = 8
50 };
51 
52 /* For flags in header */
53 
54 enum rx_header_flag {
55      HF_CLIENT_INITIATED = 1,
56      HF_REQ_ACK = 2,
57      HF_LAST = 4,
58      HF_MORE = 8
59 };
60 
61 struct rx_header {
62      u_int32_t epoch;
63      u_int32_t connid;		/* And channel ID */
64      u_int32_t callid;
65      u_int32_t seqno;
66      u_int32_t serialno;
67      u_char type;
68      u_char flags;
69      u_char status;
70      u_char secindex;
71      u_int16_t reserved;	/* ??? verifier? */
72      u_int16_t serviceid;
73 /* This should be the other way around according to everything but */
74 /* tcpdump */
75 };
76 
77 #define RX_HEADER_SIZE 28
78 
79 #endif /* __RX_H__ */
80