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/*
* Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that: (1) source code distributions
* retain the above copyright notice and this paragraph in its entirety, (2)
* distributions including binary code include the above copyright notice and
* this paragraph in its entirety in the documentation or other materials
* provided with the distribution, and (3) all advertising materials mentioning
* features or use of this software display the following acknowledgement:
* ``This product includes software developed by the University of California,
* Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
* the University 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/

#ifndef lint
static const char rcsid[] _U_ =
    "@(#) $Header: /tcpdump/master/tcpdump/print-arp.c,v 1.66 2006-03-03 22:53:21 hannes Exp $ (LBL)";
#endif

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <tcpdump-stdinc.h>

#include <stdio.h>
#include <string.h>

#include "netdissect.h"
#include "addrtoname.h"
#include "ether.h"
#include "ethertype.h"
#include "extract.h" /* must come after interface.h */

/*
* Transparent Inter-Process Communication (TIPC) protocol.
*
* http://tipc.sourceforge.net/doc/draft-spec-tipc-07.html
* http://tipc.sourceforge.net/doc/tipc_message_formats.html
*/

#define TIPC_USER_LOW_IMPORTANCE 0
#define TIPC_USER_MEDIUM_IMPORTANCE 1
#define TIPC_USER_HIGH_IMPORTANCE 2
#define TIPC_USER_CRITICAL_IMPORTANCE 3
#define TIPC_USER_BCAST_PROTOCOL 5
#define TIPC_USER_MSG_BUNDLER 6
#define TIPC_USER_LINK_PROTOCOL 7
#define TIPC_USER_CONN_MANAGER 8
#define TIPC_USER_CHANGEOVER_PROTOCOL 10
#define TIPC_USER_NAME_DISTRIBUTOR 11
#define TIPC_USER_MSG_FRAGMENTER 12
#define TIPC_USER_LINK_CONFIG 13

#define TIPC_CONN_MSG 0
#define TIPC_DIRECT_MSG 1
#define TIPC_NAMED_MSG 2
#define TIPC_MCAST_MSG 3

#define TIPC_ZONE(addr) (((addr) >> 24) & 0xFF)
#define TIPC_CLUSTER(addr) (((addr) >> 12) & 0xFFF)
#define TIPC_NODE(addr) (((addr) >> 0) & 0xFFF)

struct tipc_pkthdr {
u_int32_t w0;
u_int32_t w1;
};

#define TIPC_VER(w0) (((w0) >> 29) & 0x07)
#define TIPC_USER(w0) (((w0) >> 25) & 0x0F)
#define TIPC_HSIZE(w0) (((w0) >> 21) & 0x0F)
#define TIPC_MSIZE(w0) (((w0) >> 0) & 0xFFFF)
#define TIPC_MTYPE(w1) (((w1) >> 29) & 0x07)
#define TIPC_BROADCAST_ACK(w1) (((w1) >> 0) & 0xFFFF)
#define TIPC_LINK_ACK(w2) (((w2) >> 16) & 0xFFFF)
#define TIPC_LINK_SEQ(w2) (((w2) >> 0) & 0xFFFF)

static const struct tok tipcuser_values[] = {
    { TIPC_USER_LOW_IMPORTANCE, "Low Importance Data payload" },
    { TIPC_USER_MEDIUM_IMPORTANCE, "Medium Importance Data payload" },
    { TIPC_USER_HIGH_IMPORTANCE, "High Importance Data payload" },
    { TIPC_USER_CRITICAL_IMPORTANCE, "Critical Importance Data payload" },
    { TIPC_USER_BCAST_PROTOCOL, "Broadcast Link Protocol internal" },
    { TIPC_USER_MSG_BUNDLER, "Message Bundler Protocol internal" },
    { TIPC_USER_LINK_PROTOCOL, "Link State Protocol internal" },
    { TIPC_USER_CONN_MANAGER, "Connection Manager internal" },
    { TIPC_USER_CHANGEOVER_PROTOCOL, "Link Changeover Protocol internal" },
    { TIPC_USER_NAME_DISTRIBUTOR, "Name Table Update Protocol internal" },
    { TIPC_USER_MSG_FRAGMENTER, "Message Fragmentation Protocol internal" },
    { TIPC_USER_LINK_CONFIG, "Neighbor Detection Protocol internal" },
    { 0, NULL }
};

static const struct tok tipcmtype_values[] = {
    { TIPC_CONN_MSG, "CONN_MSG" },
    { TIPC_DIRECT_MSG, "MCAST_MSG" },
    { TIPC_NAMED_MSG, "NAMED_MSG" },
    { TIPC_MCAST_MSG, "DIRECT_MSG" },
    { 0, NULL }
};

static const struct tok tipc_linkconf_mtype_values[] = {
    { 0, "Link request" },
    { 1, "Link response" },
    { 0, NULL }
};

struct payload_tipc_pkthdr {
u_int32_t w0;
u_int32_t w1;
u_int32_t w2;
u_int32_t prev_node;
u_int32_t orig_port;
u_int32_t dest_port;
u_int32_t orig_node;
u_int32_t dest_node;
u_int32_t name_type;
u_int32_t w9;
u_int32_t wA;
};

struct internal_tipc_pkthdr {
u_int32_t w0;
u_int32_t w1;
u_int32_t w2;
u_int32_t prev_node;
u_int32_t w4;
u_int32_t w5;
u_int32_t orig_node;
u_int32_t dest_node;
u_int32_t trans_seq;
u_int32_t w9;
};

#define TIPC_SEQ_GAP(w1) (((w1) >> 16) & 0x1FFF)
#define TIPC_BC_GAP_AFTER(w2) (((w2) >> 16) & 0xFFFF)
#define TIPC_BC_GAP_TO(w2) (((w2) >> 0) & 0xFFFF)
#define TIPC_LAST_SENT_FRAG(w4) (((w4) >> 16) & 0xFFFF)
#define TIPC_NEXT_SENT_FRAG(w4) (((w4) >> 0) & 0xFFFF)
#define TIPC_SESS_NO(w5) (((w5) >> 16) & 0xFFFF)
#define TIPC_MSG_CNT(w9) (((w9) >> 16) & 0xFFFF)
#define TIPC_LINK_TOL(w9) (((w9) >> 0) & 0xFFFF)

struct link_conf_tipc_pkthdr {
u_int32_t w0;
u_int32_t w1;
u_int32_t dest_domain;
u_int32_t prev_node;
u_int32_t ntwrk_id;
u_int32_t w5;
u_int8_t media_address[16];
};

#define TIPC_NODE_SIG(w1) (((w1) >> 0) & 0xFFFF)
#define TIPC_MEDIA_ID(w5) (((w5) >> 0) & 0xFF)

static void
print_payload(netdissect_options *ndo, const struct payload_tipc_pkthdr *ap)
{
u_int32_t w0, w1, w2;
u_int user;
u_int hsize;
u_int msize;
u_int mtype;
u_int broadcast_ack;
u_int link_ack;
u_int link_seq;
u_int prev_node;
u_int orig_port;
u_int dest_port;
u_int orig_node;
u_int dest_node;

ND_TCHECK(ap->dest_port);
w0 = EXTRACT_32BITS(&ap->w0);
user = TIPC_USER(w0);
hsize = TIPC_HSIZE(w0);
msize = TIPC_MSIZE(w0);
w1 = EXTRACT_32BITS(&ap->w1);
mtype = TIPC_MTYPE(w1);
prev_node = EXTRACT_32BITS(&ap->prev_node);
orig_port = EXTRACT_32BITS(&ap->orig_port);
dest_port = EXTRACT_32BITS(&ap->dest_port);
if (hsize <= 6) {
ND_PRINT((ndo, "TIPC v%u.0 %u.%u.%u:%u > %u, headerlength %u bytes, MessageSize %u bytes, %s, messageType %s",
TIPC_VER(w0),
TIPC_ZONE(prev_node), TIPC_CLUSTER(prev_node), TIPC_NODE(prev_node),
orig_port, dest_port,
hsize*4, msize,
tok2str(tipcuser_values, "unknown", user),
tok2str(tipcmtype_values, "Unknown", mtype)));
} else {
ND_TCHECK(ap->dest_node);
orig_node = EXTRACT_32BITS(&ap->orig_node);
dest_node = EXTRACT_32BITS(&ap->dest_node);
ND_PRINT((ndo, "TIPC v%u.0 %u.%u.%u:%u > %u.%u.%u:%u, headerlength %u bytes, MessageSize %u bytes, %s, messageType %s",
TIPC_VER(w0),
TIPC_ZONE(orig_node), TIPC_CLUSTER(orig_node), TIPC_NODE(orig_node),
orig_port,
TIPC_ZONE(dest_node), TIPC_CLUSTER(dest_node), TIPC_NODE(dest_node),
dest_port,
hsize*4, msize,
tok2str(tipcuser_values, "unknown", user),
tok2str(tipcmtype_values, "Unknown", mtype)));

if (ndo->ndo_vflag) {
broadcast_ack = TIPC_BROADCAST_ACK(w1);
w2 = EXTRACT_32BITS(&ap->w2);
link_ack = TIPC_LINK_ACK(w2);
link_seq = TIPC_LINK_SEQ(w2);
ND_PRINT((ndo, "\n\tPrevious Node %u.%u.%u, Broadcast Ack %u, Link Ack %u, Link Sequence %u",
TIPC_ZONE(prev_node), TIPC_CLUSTER(prev_node), TIPC_NODE(prev_node),
broadcast_ack, link_ack, link_seq));
}
}
return;

trunc:
ND_PRINT((ndo, "[|TIPC]"));
}

static void
print_internal(netdissect_options *ndo, const struct internal_tipc_pkthdr *ap)
{
u_int32_t w0, w1, w2, w4, w5, w9;
u_int user;
u_int hsize;
u_int msize;
u_int mtype;
u_int seq_gap;
u_int broadcast_ack;
u_int bc_gap_after;
u_int bc_gap_to;
u_int prev_node;
u_int last_sent_frag;
u_int next_sent_frag;
u_int sess_no;
u_int orig_node;
u_int dest_node;
u_int trans_seq;
u_int msg_cnt;
u_int link_tol;

ND_TCHECK(ap->dest_node);
w0 = EXTRACT_32BITS(&ap->w0);
user = TIPC_USER(w0);
hsize = TIPC_HSIZE(w0);
msize = TIPC_MSIZE(w0);
w1 = EXTRACT_32BITS(&ap->w1);
mtype = TIPC_MTYPE(w1);
orig_node = EXTRACT_32BITS(&ap->orig_node);
dest_node = EXTRACT_32BITS(&ap->dest_node);
ND_PRINT((ndo, "TIPC v%u.0 %u.%u.%u > %u.%u.%u, headerlength %u bytes, MessageSize %u bytes, %s, messageType %s (0x%08x)",
TIPC_VER(w0),
TIPC_ZONE(orig_node), TIPC_CLUSTER(orig_node), TIPC_NODE(orig_node),
TIPC_ZONE(dest_node), TIPC_CLUSTER(dest_node), TIPC_NODE(dest_node),
hsize*4, msize,
tok2str(tipcuser_values, "unknown", user),
tok2str(tipcmtype_values, "Unknown", mtype), w1));

if (ndo->ndo_vflag) {
ND_TCHECK(*ap);
seq_gap = TIPC_SEQ_GAP(w1);
broadcast_ack = TIPC_BROADCAST_ACK(w1);
w2 = EXTRACT_32BITS(&ap->w2);
bc_gap_after = TIPC_BC_GAP_AFTER(w2);
bc_gap_to = TIPC_BC_GAP_TO(w2);
prev_node = EXTRACT_32BITS(&ap->prev_node);
w4 = EXTRACT_32BITS(&ap->w4);
last_sent_frag = TIPC_LAST_SENT_FRAG(w4);
next_sent_frag = TIPC_NEXT_SENT_FRAG(w4);
w5 = EXTRACT_32BITS(&ap->w5);
sess_no = TIPC_SESS_NO(w5);
trans_seq = EXTRACT_32BITS(&ap->trans_seq);
w9 = EXTRACT_32BITS(&ap->w9);
msg_cnt = TIPC_MSG_CNT(w9);
link_tol = TIPC_LINK_TOL(w9);
ND_PRINT((ndo, "\n\tPrevious Node %u.%u.%u, Session No. %u, Broadcast Ack %u, Sequence Gap %u, Broadcast Gap After %u, Broadcast Gap To %u, Last Sent Packet No. %u, Next sent Packet No. %u, Transport Sequence %u, msg_count %u, Link Tolerance %u",
TIPC_ZONE(prev_node), TIPC_CLUSTER(prev_node), TIPC_NODE(prev_node),
sess_no, broadcast_ack, seq_gap, bc_gap_after, bc_gap_to,
last_sent_frag, next_sent_frag, trans_seq, msg_cnt,
link_tol));
}
return;

trunc:
ND_PRINT((ndo, "[|TIPC]"));
}

static void
print_link_conf(netdissect_options *ndo, const struct link_conf_tipc_pkthdr *ap)
{
u_int32_t w0, w1, w5;
u_int user;
u_int hsize;
u_int msize;
u_int mtype;
u_int node_sig;
u_int prev_node;
u_int dest_domain;
u_int ntwrk_id;
u_int media_id;

ND_TCHECK(ap->prev_node);
w0 = EXTRACT_32BITS(&ap->w0);
user = TIPC_USER(w0);
hsize = TIPC_HSIZE(w0);
msize = TIPC_MSIZE(w0);
w1 = EXTRACT_32BITS(&ap->w1);
mtype = TIPC_MTYPE(w1);
prev_node = EXTRACT_32BITS(&ap->prev_node);
dest_domain = EXTRACT_32BITS(&ap->dest_domain);
prev_node = EXTRACT_32BITS(&ap->prev_node);

ND_PRINT((ndo, "TIPC v%u.0 %u.%u.%u > %u.%u.%u, headerlength %u bytes, MessageSize %u bytes, %s, messageType %s",
TIPC_VER(w0),
TIPC_ZONE(prev_node), TIPC_CLUSTER(prev_node), TIPC_NODE(prev_node),
TIPC_ZONE(dest_domain), TIPC_CLUSTER(dest_domain), TIPC_NODE(dest_domain),
hsize*4, msize,
tok2str(tipcuser_values, "unknown", user),
tok2str(tipc_linkconf_mtype_values, "Unknown", mtype)));
if (ndo->ndo_vflag) {
ND_TCHECK(ap->w5);
node_sig = TIPC_NODE_SIG(w1);
ntwrk_id = EXTRACT_32BITS(&ap->ntwrk_id);
w5 = EXTRACT_32BITS(&ap->w5);
media_id = TIPC_MEDIA_ID(w5);
ND_PRINT((ndo, "\n\tNodeSignature %u, network_id %u, media_id %u",
node_sig, ntwrk_id, media_id));
}
return;

trunc:
ND_PRINT((ndo, "[|TIPC]"));
}

void
tipc_print(netdissect_options *ndo, const u_char *bp, u_int length _U_,
    u_int caplen _U_)
{
const struct tipc_pkthdr *ap;
u_int32_t w0;
u_int user;

ap = (struct tipc_pkthdr *)bp;
ND_TCHECK(ap->w0);
w0 = EXTRACT_32BITS(&ap->w0);
user = TIPC_USER(w0);

switch (user)
{
case TIPC_USER_LOW_IMPORTANCE:
case TIPC_USER_MEDIUM_IMPORTANCE:
case TIPC_USER_HIGH_IMPORTANCE:
case TIPC_USER_CRITICAL_IMPORTANCE:
case TIPC_USER_NAME_DISTRIBUTOR:
case TIPC_USER_CONN_MANAGER:
print_payload(ndo, (struct payload_tipc_pkthdr *)bp);
break;

case TIPC_USER_LINK_CONFIG:
print_link_conf(ndo, (struct link_conf_tipc_pkthdr *)bp);
break;

case TIPC_USER_BCAST_PROTOCOL:
case TIPC_USER_MSG_BUNDLER:
case TIPC_USER_LINK_PROTOCOL:
case TIPC_USER_CHANGEOVER_PROTOCOL:
case TIPC_USER_MSG_FRAGMENTER:
print_internal(ndo, (struct internal_tipc_pkthdr *)bp);
break;

}
return;

trunc:
ND_PRINT((ndo, "[|TIPC]"));
}

/*
* Local Variables:
* c-style: bsd
* End:
*/
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