forked from osmocom/wireshark
111 lines
2.9 KiB
C
111 lines
2.9 KiB
C
/* packet-rx.h
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* Definitions for packet disassembly structures and routines
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*
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* $Id: packet-rx.h,v 1.5 2001/05/27 01:48:24 guy Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@zing.org>
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* Copyright 1998 Gerald Combs
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*
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef PACKET_RX_H
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#define PACKET_RX_H
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struct rx_header {
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guint32 epoch;
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guint32 cid;
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guint32 callNumber;
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guint32 seq;
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guint32 serial;
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u_char type;
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#define RX_PACKET_TYPE_DATA 1
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#define RX_PACKET_TYPE_ACK 2
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#define RX_PACKET_TYPE_BUSY 3
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#define RX_PACKET_TYPE_ABORT 4
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#define RX_PACKET_TYPE_ACKALL 5
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#define RX_PACKET_TYPE_CHALLENGE 6
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#define RX_PACKET_TYPE_RESPONSE 7
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#define RX_PACKET_TYPE_DEBUG 8
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#define RX_PACKET_TYPE_PARAMS 9
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#define RX_PACKET_TYPE_VERSION 13
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u_char flags;
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#define RX_CLIENT_INITIATED 1
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#define RX_REQUEST_ACK 2
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#define RX_LAST_PACKET 4
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#define RX_MORE_PACKETS 8
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#define RX_FREE_PACKET 16
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u_char userStatus;
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u_char securityIndex;
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guint16 spare; /* How clever: even though the AFS */
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guint16 serviceId; /* header files indicate that the */
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}; /* serviceId is first, it's really */
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/* encoded _after_ the spare field */
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/* I wasted a day figuring that out! */
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#define RX_MAXACKS 255
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struct rx_ack_header {
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guint16 bufferspace; /* # of packet buffers available */
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guint16 maxskew;
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guint32 firstpacket; /* First packet in acks below */
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guint32 prevpacket;
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guint32 serial; /* Packet that prompted this one */
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u_char reason; /* rx_ack_reason */
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u_char nAcks; /* number of acks*/
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u_char acks[RX_MAXACKS];
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};
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#define RX_ACK_TYPE_NACK 0
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#define RX_ACK_TYPE_ACK 1
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#define RX_ACK_REQUESTED 1
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#define RX_ACK_DUPLICATE 2
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#define RX_ACK_OUT_OF_SEQUENCE 3
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#define RX_ACK_EXEEDS_WINDOW 4
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#define RX_ACK_NOSPACE 5
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#define RX_ACK_PING 6
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#define RX_ACK_PING_RESPONSE 7
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#define RX_ACK_DELAY 8
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struct rxkad_challenge {
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guint32 version;
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guint32 nonce;
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guint32 min_level;
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guint32 unused;
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};
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#define RX_MAXCALLS 4
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struct rxkad_response {
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guint32 version;
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guint32 unused;
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struct {
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guint32 epoch;
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guint32 cid;
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guint32 cksum;
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guint32 security_index;
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guint32 call_numbers[RX_MAXCALLS];
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guint32 inc_nonce;
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guint32 level;
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} encrypted;
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guint32 kvno;
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guint32 ticket_len;
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u_char the_ticket[0];
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};
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#endif
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