xref: /freebsd/crypto/heimdal/kdc/rx.h (revision 6a068746777241722b2b32c5d0bc443a2a64d80b)
1b528cefcSMark Murray /*
2*ae771770SStanislav Sedov  * Copyright (c) 1997 Kungliga Tekniska Högskolan
3b528cefcSMark Murray  * (Royal Institute of Technology, Stockholm, Sweden).
4b528cefcSMark Murray  * All rights reserved.
5b528cefcSMark Murray  *
6b528cefcSMark Murray  * Redistribution and use in source and binary forms, with or without
7b528cefcSMark Murray  * modification, are permitted provided that the following conditions
8b528cefcSMark Murray  * are met:
9b528cefcSMark Murray  *
10b528cefcSMark Murray  * 1. Redistributions of source code must retain the above copyright
11b528cefcSMark Murray  *    notice, this list of conditions and the following disclaimer.
12b528cefcSMark Murray  *
13b528cefcSMark Murray  * 2. Redistributions in binary form must reproduce the above copyright
14b528cefcSMark Murray  *    notice, this list of conditions and the following disclaimer in the
15b528cefcSMark Murray  *    documentation and/or other materials provided with the distribution.
16b528cefcSMark Murray  *
17b528cefcSMark Murray  * 3. Neither the name of the Institute nor the names of its contributors
18b528cefcSMark Murray  *    may be used to endorse or promote products derived from this software
19b528cefcSMark Murray  *    without specific prior written permission.
20b528cefcSMark Murray  *
21b528cefcSMark Murray  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22b528cefcSMark Murray  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23b528cefcSMark Murray  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24b528cefcSMark Murray  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25b528cefcSMark Murray  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26b528cefcSMark Murray  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27b528cefcSMark Murray  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28b528cefcSMark Murray  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29b528cefcSMark Murray  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30b528cefcSMark Murray  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31b528cefcSMark Murray  * SUCH DAMAGE.
32b528cefcSMark Murray  */
33b528cefcSMark Murray 
34*ae771770SStanislav Sedov /* $Id$ */
35b528cefcSMark Murray 
36b528cefcSMark Murray #ifndef __RX_H__
37b528cefcSMark Murray #define __RX_H__
38b528cefcSMark Murray 
39b528cefcSMark Murray /* header of a RPC packet */
40b528cefcSMark Murray 
41b528cefcSMark Murray enum rx_header_type {
42b528cefcSMark Murray      HT_DATA = 1,
43b528cefcSMark Murray      HT_ACK = 2,
44b528cefcSMark Murray      HT_BUSY = 3,
45b528cefcSMark Murray      HT_ABORT = 4,
46b528cefcSMark Murray      HT_ACKALL = 5,
47b528cefcSMark Murray      HT_CHAL = 6,
48b528cefcSMark Murray      HT_RESP = 7,
49b528cefcSMark Murray      HT_DEBUG = 8
50b528cefcSMark Murray };
51b528cefcSMark Murray 
52b528cefcSMark Murray /* For flags in header */
53b528cefcSMark Murray 
54b528cefcSMark Murray enum rx_header_flag {
55b528cefcSMark Murray      HF_CLIENT_INITIATED = 1,
56b528cefcSMark Murray      HF_REQ_ACK = 2,
57b528cefcSMark Murray      HF_LAST = 4,
58b528cefcSMark Murray      HF_MORE = 8
59b528cefcSMark Murray };
60b528cefcSMark Murray 
61b528cefcSMark Murray struct rx_header {
62c19800e8SDoug Rabson      uint32_t epoch;
63c19800e8SDoug Rabson      uint32_t connid;		/* And channel ID */
64c19800e8SDoug Rabson      uint32_t callid;
65c19800e8SDoug Rabson      uint32_t seqno;
66c19800e8SDoug Rabson      uint32_t serialno;
67b528cefcSMark Murray      u_char type;
68b528cefcSMark Murray      u_char flags;
69b528cefcSMark Murray      u_char status;
70b528cefcSMark Murray      u_char secindex;
71c19800e8SDoug Rabson      uint16_t reserved;	/* ??? verifier? */
72c19800e8SDoug Rabson      uint16_t serviceid;
73b528cefcSMark Murray /* This should be the other way around according to everything but */
74b528cefcSMark Murray /* tcpdump */
75b528cefcSMark Murray };
76b528cefcSMark Murray 
77b528cefcSMark Murray #define RX_HEADER_SIZE 28
78b528cefcSMark Murray 
79b528cefcSMark Murray #endif /* __RX_H__ */
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