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RE: [Tipc-discussion] Re: TIPC protocol number!
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From: Nick Y. <ni...@ho...> - 2004-06-08 15:02:20
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Jon and Mark,
Thank you very much! I will try it again according to your advises tomorrow!
Best Regards,
Nick
>From: Jon Maloy <jon...@er...>
>To: "Yin, Hu" <hu...@in...>
>CC: Mark Haverkamp <ma...@os...>, tipc
><tip...@li...>
>Subject: [Tipc-discussion] Re: TIPC protocol number!
>Date: Tue, 08 Jun 2004 10:47:06 -0400
>
>Hi,
>There is only one number now, 0x88ca, which has been
>registered with IEEE as the official TIPC protocol number.
>The two numbers we were using earlier were not properly
>registered, and can hence not be used in open environments.
>And, as Mark said, the separation between the two is now
>done in tipc_recv_msg.
>
>I don't know about tipcdump, but you should perhaps have
>a look at the ethereal module we used in TIPCv1 (attached).
>If we refurbish this one, we could make it available at SF.
>
>Regards /jon
>
>Yin, Hu wrote:
>
>>Hello Jon and Mark,
>>
>>Now I'm trying to enable tipcdump to work on TIPCv2, which developed by
>>Ling Xiaofeng and can work on TIPCv1. Through investigating I find maybe
>>you have changed the number of TIPC
>>configuration protocol from 0x0807 to 0x88ca and the number of TIPC
>>message protocol from 0x0807 to 0x0800,
>>thus tipcdump cannot scratch the package with different protocol number at
>>the same time. And we cannot
>>distinguish the TIPC package from the
>>general IP package if we use protocol number 0x0800. Is that correct? If
>>it was correct how can we solve this problem? Thank you in advance!
>>
>>Best Regards,
>>
>>Nick
>>
>
>
>/*
>*****************************************************************************
>**
>** @(#) Id:
>** @(#) File: packet-tipc.c
>** @(#) Subsystem:
>** @(#) Date: 2002/08/030
>** @(#) Time: 13:00:00
>** @(#) Revision: 1.0
>** @(#) Author: Martin Peterzon
>**
>** Copyright (C) 2002 by Ericsson Telecom. All rights reserved.
>**
>*****************************************************************************
>
>*****************************************************************************
>** 2 HISTORY OF DEVELOPMENT.
>*****************************************************************************
>** date responsible notes
>** -------- --------------------
>------------------------------------------
>** 02/08/30 Martin Peterzon Initial release.
>** 03/04/28 Jon Maloy Some terminology changes
>*/
>
>
>/* INSTALL
> * Instructions how to install is at the end of this file. */
>
>
>/* packet-tipc.c
> * Routines for TIPC dissection
> * Martin Peterzon <ua...@ua...>
> *
> * $Id: README.developer,v 1.51 2002/03/18 00:20:18 guy Exp $
> *
> * Ethereal - Network traffic analyzer
> * By Gerald Combs <ge...@et...>
> * Copyright 1998 Gerald Combs
> *
> * This program is free software; you can redistribute it and/or
> * modify it under the terms of the GNU General Public License
> * as published by the Free Software Foundation; either version 2
> * of the License, or (at your option) any later version.
> *
> * This program is distributed in the hope that it will be useful,
> * but WITHOUT ANY WARRANTY; without even the implied warranty of
> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> * GNU General Public License for more details.
> *
> * You should have received a copy of the GNU General Public License
> * along with this program; if not, write to the Free Software
> * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
>USA.
> */
>
>
>
>#ifdef HAVE_CONFIG_H
># include "config.h"
>#endif
>
>#include <stdio.h>
>#include <stdlib.h>
>#include <string.h>
>
>#ifdef HAVE_SYS_TYPES_H
># include <sys/types.h>
>#endif
>
>#ifdef HAVE_NETINET_IN_H
># include <netinet/in.h>
>#endif
>
>#include <glib.h>
>
>#ifdef NEED_SNPRINTF_H
># include "snprintf.h"
>#endif
>
>#include <epan/packet.h>
>#include "etypes.h"
>
>
>/* Initialize the protocol and registered fields */
>static int proto_tipc = -1;
>static int hf_tipc_ver = -1;
>static int hf_tipc_rr = -1;
>static int hf_tipc_imp = -1;
>static int hf_tipc_user = -1;
>static int hf_tipc_err = -1;
>static int hf_tipc_mtype = -1;
>static int hf_tipc_octetcount = -1;
>static int hf_tipc_ack = -1;
>static int hf_tipc_seqno = -1;
>static int hf_tipc_originproc = -1;
>static int hf_tipc_originport = -1;
>static int hf_tipc_destport = -1;
>static int hf_tipc_sourceproc = -1;
>static int hf_tipc_nametype = -1;
>static int hf_tipc_nameid = -1;
>static int hf_tipc_destlinks = -1;
>static int hf_tipc_nameidupp = -1;
>static int hf_tipc_nameidlow = -1;
>static int hf_tipc_key = -1;
>static int hf_tipc_portref = -1;
>static int hf_tipc_pub = -1;
>static int hf_tipc_nextsent = -1;
>static int hf_tipc_gap = -1;
>static int hf_tipc_bearerid = -1;
>static int hf_tipc_msgcount = -1;
>static int hf_tipc_ols = -1;
>static int hf_tipc_msgcountasm = -1;
>static int hf_tipc_cfgtype = -1;
>static int hf_tipc_cfgzone = -1;
>static int hf_tipc_cfgsubnet = -1;
>static int hf_tipc_cfgproc = -1;
>static int hf_tipc_cfgsysgenid = -1;
>static int hf_tipc_cfgbearnn = -1;
>static int hf_tipc_hdrsize = -1;
>static int hf_tipc_msgsize = -1;
>static int hf_tipc_ackllseqno = -1;
>static int hf_tipc_llseqno = -1;
>static int hf_tipc_prevproc = -1;
>static int hf_tipc_actid = -1;
>static int hf_tipc_destproc = -1;
>static int hf_tipc_portnametype = -1;
>static int hf_tipc_portnameinst = -1;
>static int hf_tipc_linksel = -1;
>static int hf_tipc_probe = -1;
>static int hf_tipc_remoteadr = -1;
>static int hf_tipc_seqgap = -1;
>static int hf_tipc_nextsentpack = -1;
>static int hf_tipc_netwid = -1;
>static int hf_tipc_linkprio = -1;
>static int hf_tipc_linktolerance = -1;
>static int hf_tipc_ifname = -1;
>
>/* Initialize the subtree pointer */
>static gint ett_tipc = -1;
>
>
>/* Table of importances */
>gchar *imp_list[] = {
> "Low",
> "Normal",
> "High",
> "Non Rejectable",
>};
>
>/* Table of users for version 0*/
>gchar *user_list_v0[] = {
> "Data",
> "",
> "",
> "",
> "Name Manager",
> "Connection Manager",
> "Link Protocol Handler",
> "Changeover Protocol Handler",
> "Transport Protocol Handler",
> "Segmentation Manager",
> "Message Bundler",
>};
>
>/* Table of users for version 1*/
>gchar *user_list_v1[] = {
> "Data",
> "Data",
> "Data",
> "Data",
> "",
> "",
> "",
> "",
> "Routing Manager",
> "Name Distributor",
> "Connection Manager",
> "Link Protocol",
> "",
> "Changeover Protocol",
> "Segmentation Manager",
> "Message Bundler",
>};
>
>/* Table of errors for version 0 */
>gchar *err_list_v0[] = {
> "Ok",
> "No Port Name",
> "No Remote Port",
> "No Remote Processor",
> "Destination Overload",
> "No Connection",
> "Not defined",
> "",
> "",
> "",
> "",
> "",
> "",
> "",
> "",
> "",
>};
>
>/* Table of errors for version 1 */
>gchar *err_list_v1[] = {
> "Ok",
> "No Port Name",
> "No Remote Port",
> "No Remote Processor",
> "Destination Overload",
> "",
> "No Connection",
> "Communication Error",
> "",
> "",
> "",
> "",
> "",
> "",
> "",
> "",
>};
>
>/* Table of message types, depends on user */
>gchar *mtype_list_v0[18][11] = {
> {"Warning
>Connected","","","","Publication","","","Duplicate","","","Open"},
> {"Connected","","","","Withdrawal","","","Redirect","","","Closed"},
> {"Named","","","","Bulk publication","","","","Info","",""},
> {"Direct","","","","","","","","","",""},
> {"Overload Warning","","","","","","","","","",""},
> {"","","","","","","","","","",""},
> {"","","","","","","","","","",""},
> {"","","","","","","","","","",""},
> {"","","","","","","","","","",""},
> {"","","","","","","","","","",""},
> {"","","","","","","Reset","","","",""},
> {"","","","","","","Activate","","","",""},
> {"","","","","","","Ack","","","",""},
> {"","","","","","","Reply","","","",""},
> {"","","","","","","Nack","","","",""},
> {"","","","","","","Probe","","","",""},
> {"","","","","","Port Probe","ProbeReply","","","",""},
> {"","","","","","Port Probe Reply","","","","",""},
>};
>
>gchar *mtype_list_v1[13][16] = {
> {"Connected","Connected","Connected","Connected","","","","","Ext Routing
>Table","Publication","Connection Probe","","","Duplicate Message","",""},
> {"","","","","","","","","Local Routing Table","Withdrawal","Connection
>Probe Reply","","","Original Message","First Segment",""},
> {"Named","Named","Named","Named","","","","","DP Routing
>Table","","","","","Info Message","Segment"},
> {"Direct","Direct","Direct","Named","","","","","Route
>Addition","","","","","","",""},
> {"Overload","Overload","Overload","Overload","","","","","Route
>Removal","","","","","","",""},
> {"","","","","","","","","","","","","","","",""},
> {"","","","","","","","","","","","","","","",""},
> {"","","","","","","","","","","","","","","",""},
> {"","","","","","","","","","","","","","","",""},
> {"","","","","","","","","","","","","","","",""},
> {"","","","","","","","","","","","Reset Message","","","",""},
> {"","","","","","","","","","","","Activate Message","","","",""},
> {"","","","","","","","","","","","State Message","","","",""},
>};
>
>
>
>
>
>/* Code that dissects packets of ethernet type (a type definition
> of the payload of an ethernet packet, that is which protocol that
> is on the next level) 0x0807. This number indicates that it is
> an usual TIPC message. */
>static void
>dissect_tipc(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
>{
>
> proto_item *ti;
> proto_tree *tipc_tree;
> gint first_word[4];
> gint version, ipc_user, mtype, pub, hdr_size, msg_size;
> char temp[30];
> int i;
> int data_start, data_length;
>
> /* Load the first four bytes in an array. */
> for(i=0; i<4; i++)
> first_word[i] = tvb_get_guint8(tvb, i);
>
> /* Version is set by the first three bits */
> version = (first_word[0] & 0xe0) >> 5;
>
> if(version == 0) {
> ipc_user = first_word[2] & 0x0f;
> mtype = first_word[3] & 0x1f;
> /* Make sure that there is no access outside name arrays. New values
>point
> to elements with empty strings */
> if(ipc_user > 10)
> ipc_user = 1;
> if(mtype > 17)
> mtype = 5;
> }
>
> if(version == 1) {
> ipc_user = (first_word[0] & 0x1e) >> 1;
> hdr_size = (first_word[0] & 0x01) * 32 + ((first_word[1] & 0xe0) >> 3);
> msg_size = 65536*(first_word[1] & 0x01) + first_word[2] * 256 +
>first_word[3];
> mtype = (tvb_get_guint8(tvb,20) & 0xf0) >> 4;
> /* Make sure that there is no access outside name arrays. New values
>point
> to elements with empty strings */
> if(ipc_user > 15)
> ipc_user = 3;
> if(mtype > 12)
> mtype = 5;
> if (hdr_size == 20)
> mtype = 0;
> }
>
> /* Make entry in Protocol column on summary display */
> if (check_col(pinfo->cinfo, COL_PROTOCOL))
> col_set_str(pinfo->cinfo, COL_PROTOCOL, "TIPC");
>
> /* User and mtype is diplayed in summary window */
> if (check_col(pinfo->cinfo, COL_INFO) && version == 0) {
> col_clear(pinfo->cinfo, COL_INFO);
> col_add_str(pinfo->cinfo, COL_INFO, user_list_v0[ipc_user]);
> col_append_str(pinfo->cinfo, COL_INFO, ", ");
> col_append_str(pinfo->cinfo, COL_INFO, mtype_list_v0 [mtype][ipc_user]);
> }
> if (check_col(pinfo->cinfo, COL_INFO) && version == 1) {
> sprintf(temp,"%s %u", mtype_list_v1
>[mtype][ipc_user],tvb_get_ntohs(tvb, 6));
> col_clear(pinfo->cinfo, COL_INFO);
> col_add_str(pinfo->cinfo, COL_INFO, user_list_v1[ipc_user]);
> col_append_str(pinfo->cinfo, COL_INFO, ", ");
> //col_append_str(pinfo->cinfo, COL_INFO, mtype_list_v1
>[mtype][ipc_user]);
> col_append_str(pinfo->cinfo, COL_INFO, temp);
> }
>
> /* If "tree" is NULL, not necessary to generate protocol tree items. */
> if (tree) {
>
> /* create display subtree for the protocol */
> ti = proto_tree_add_item(tree, proto_tipc, tvb, 0, -1, FALSE);
> tipc_tree = proto_item_add_subtree(ti, ett_tipc);
>
> /* This is where the creation of the protocol tree starts. The
> specification of the TIPC protocol version 0 can be found in
> the document UAB/F-00:101, PA5. To be able to understand the
> code, this document is probably necessary. */
>
> if( version == 0 ) {
>
> /* Adding header for version 0 of the protocol. This is equal
> for all TIPC messages. Header includes version, reroute
> counter, importance, user, error, message type, octet count,
> ack, sequence number and origin processor. */
> proto_tree_add_uint(tipc_tree, hf_tipc_ver, tvb, 0, 1,
> version);
> proto_tree_add_uint(tipc_tree, hf_tipc_rr, tvb, 0, 1,
> (first_word[0] & 0x0f) >> 1);
> proto_tree_add_string(tipc_tree, hf_tipc_imp, tvb, 2, 1,
> imp_list[(first_word[2] & 0x30) >> 4]);
> proto_tree_add_string(tipc_tree, hf_tipc_user, tvb, 2, 1,
> user_list_v0[ipc_user]);
> proto_tree_add_string(tipc_tree, hf_tipc_err, tvb, 3, 1,
> err_list_v0[(first_word[3] & 0xe0) >> 5]);
> proto_tree_add_string(tipc_tree, hf_tipc_mtype, tvb, 3, 1,
> mtype_list_v0 [mtype][ipc_user]);
> proto_tree_add_uint(tipc_tree, hf_tipc_octetcount, tvb, 6, 2,
> tvb_get_ntohs(tvb, 6));
> proto_tree_add_uint(tipc_tree, hf_tipc_ack, tvb, 8, 2,
> tvb_get_ntohs(tvb, 8));
> proto_tree_add_uint(tipc_tree, hf_tipc_seqno, tvb, 10, 2,
> tvb_get_ntohs(tvb, 10));
> sprintf(temp, "%d.%d.%d", tvb_get_guint8(tvb, 12),
> tvb_get_ntohs(tvb, 13) >> 4,
> tvb_get_ntohs(tvb, 14) & 0x0fff);
> proto_tree_add_string(tipc_tree, hf_tipc_originproc, tvb, 12, 4,
> temp);
>
>
> /* Depending on which TIPC user the packet has the interpretation
> will look different. This case statement deals with all
> possible packets types. At the end of every case the data_start
> integer is set to the position where the data part of the
> message starts. */
>
> switch(ipc_user) {
> case 0:
>
> /* Create subtree
> tp = proto_tree_add_text(tipc_tree, tvb, 16, -1, "Ports", NULL);
> tipc_tree_p = proto_item_add_subtree(tp, ett_tipc_ports); */
>
> /* All data message with user 0 includes origin port and dest.
> port. Depending on message type some more fields might
> be included. */
> proto_tree_add_uint(tipc_tree, hf_tipc_originport, tvb, 16, 4,
> tvb_get_ntohl(tvb,16));
> proto_tree_add_uint(tipc_tree, hf_tipc_destport, tvb, 20, 4,
> tvb_get_ntohl(tvb,20));
>
> /* Data message with user 0 and mtype 2 contains source
> processor, name type and name identity. */
> if (mtype == 2) {
> temp[0] = '\0';
> sprintf(temp, "%d.%d.%d", tvb_get_guint8(tvb, 28),
> tvb_get_ntohs(tvb, 29) >> 4,
> tvb_get_ntohs(tvb, 30) & 0x0fff);
> proto_tree_add_string(tipc_tree, hf_tipc_sourceproc, tvb, 28, 4,
> temp);
> proto_tree_add_uint(tipc_tree, hf_tipc_nametype, tvb, 32, 4,
> tvb_get_ntohl(tvb,32));
> proto_tree_add_uint(tipc_tree, hf_tipc_nameid, tvb, 36, 4,
> tvb_get_ntohl(tvb,36));
> data_start = 40;
> }
>
>
> /* Data message with user 0 and mtype 3 contains source
> processor */
> else if (mtype == 3) {
> temp[0] = '\0';
> sprintf(temp, "%d.%d.%d", tvb_get_guint8(tvb, 28),
> tvb_get_ntohs(tvb, 29) >> 4,
> tvb_get_ntohs(tvb, 30) & 0x0fff);
> proto_tree_add_string(tipc_tree, hf_tipc_sourceproc, tvb, 28, 4,
> temp);
> data_start = 32;
> }
>
> /* Data message with user 0 and mtype 0,1 or 4 contains
> no further fields. */
> else {
> data_start = 28;
> }
>
> break;
>
> case 4:
>
> /* Name manager message with user 4 all contains destination
> link selector and the message type (that is not displayed
> in the tree. */
> proto_tree_add_uint(tipc_tree, hf_tipc_destlinks, tvb, 16, 4,
> tvb_get_ntohl(tvb,16));
>
>
> /* Name manager messages with user 4 and mtype 0 contains
> name type, name identity lower, name identity upper,
> origin port and key. */
> if (mtype == 0) {
> proto_tree_add_uint(tipc_tree, hf_tipc_nametype, tvb, 24, 4,
> tvb_get_ntohl(tvb,24));
> proto_tree_add_uint(tipc_tree, hf_tipc_nameidlow, tvb, 28, 4,
> tvb_get_ntohl(tvb,28));
> proto_tree_add_uint(tipc_tree, hf_tipc_nameidupp, tvb, 32, 4,
> tvb_get_ntohl(tvb,32));
> proto_tree_add_uint(tipc_tree, hf_tipc_originport, tvb, 36, 4,
> tvb_get_ntohl(tvb,36));
> proto_tree_add_uint(tipc_tree, hf_tipc_key, tvb, 40, 4,
> tvb_get_ntohl(tvb,40));
> data_start = 44;
> }
>
> /* Name manager messages with user 4 and mtype 1 contains
> name type, name identity lower and key. */
> else if (mtype == 1) {
> proto_tree_add_uint(tipc_tree, hf_tipc_nametype, tvb, 24, 4,
> tvb_get_ntohl(tvb,24));
> proto_tree_add_uint(tipc_tree, hf_tipc_nameidlow, tvb, 28, 4,
> tvb_get_ntohl(tvb,28));
> proto_tree_add_uint(tipc_tree, hf_tipc_key, tvb, 32, 4,
> tvb_get_ntohl(tvb,32));
> data_start = 36;
> }
>
> /* Name manager messages with user 4 and mtype 2 contains
> publication (that tells the number of publication to
> follow). After this field comes the publications that
> contains name type, name identity lower, name identity
> upper, port reference and key. */
> else {
> pub = tvb_get_ntohl(tvb,24);
> proto_tree_add_uint(tipc_tree, hf_tipc_pub, tvb, 24, 4,
> pub);
> for(i=0; i<pub; i++) {
> proto_tree_add_uint(tipc_tree, hf_tipc_nametype, tvb, 28+20*i, 4,
> tvb_get_ntohl(tvb,28+20*i));
> proto_tree_add_uint(tipc_tree, hf_tipc_nameidlow, tvb, 32+20*i, 4,
> tvb_get_ntohl(tvb,32+20*i));
> proto_tree_add_uint(tipc_tree, hf_tipc_nameidupp, tvb, 36+20*i, 4,
> tvb_get_ntohl(tvb,36+20*i));
> proto_tree_add_uint(tipc_tree, hf_tipc_portref, tvb, 40+20*i, 4,
> tvb_get_ntohl(tvb,40+20*i));
> proto_tree_add_uint(tipc_tree, hf_tipc_key, tvb, 44+20*i, 4,
> tvb_get_ntohl(tvb,44+20*i));
> }
> data_start = 28 + i*20;
> }
> break;
> case 5:
>
> /* Connection manager message with user 5 contains origin
> port and destination port. */
>
> proto_tree_add_uint(tipc_tree, hf_tipc_originport, tvb, 16, 4,
> tvb_get_ntohl(tvb,16));
> proto_tree_add_uint(tipc_tree, hf_tipc_destport, tvb, 20, 4,
> tvb_get_ntohl(tvb,20));
> data_start = 28;
> break;
>
> case 6:
>
> /* Link protocol message with user 6 contains next message
> to be sent, number of messages need to be retransmitted
> and bearer identification. */
>
> proto_tree_add_uint(tipc_tree, hf_tipc_nextsent, tvb, 16, 4,
> tvb_get_ntohl(tvb,16));
> proto_tree_add_uint(tipc_tree, hf_tipc_gap, tvb, 20, 4,
> tvb_get_ntohl(tvb,20));
> proto_tree_add_uint(tipc_tree, hf_tipc_bearerid, tvb, 27, 1,
> tvb_get_guint8(tvb, 23) & 0x3f);
> data_start=28;
> break;
>
> case 7:
>
> /* Changeover protocol message with user 7 contains dest.
> link selector, message count and berared id. */
>
> proto_tree_add_uint(tipc_tree, hf_tipc_destlinks, tvb, 16, 4,
> tvb_get_ntohl(tvb,16));
> proto_tree_add_uint(tipc_tree, hf_tipc_msgcount, tvb, 21, 2,
> tvb_get_ntohs(tvb,21));
> proto_tree_add_uint(tipc_tree, hf_tipc_bearerid, tvb, 23, 1,
> tvb_get_guint8(tvb, 23) & 0x3f);
> data_start=24;
> break;
>
> case 9:
>
> /* Segmentation manager message with user 9 includes dest.
> link selector and original link selector. */
>
> proto_tree_add_uint(tipc_tree, hf_tipc_destlinks, tvb, 16, 4,
> tvb_get_ntohl(tvb,16));
> proto_tree_add_uint(tipc_tree, hf_tipc_ols, tvb, 23, 1,
> tvb_get_guint8(tvb,23) & 0x07);
> data_start = 24;
> break;
>
> case 10:
>
> /* Message assembler message with user 10 includes dest.
> link selector and message count. */
>
> proto_tree_add_uint(tipc_tree, hf_tipc_destlinks, tvb, 16, 4,
> tvb_get_ntohl(tvb,16));
> proto_tree_add_uint(tipc_tree, hf_tipc_msgcountasm, tvb, 20, 4,
> tvb_get_ntohl(tvb,20));
> data_start = 24;
> break;
>
> default:
>
> /* If no valid user can be found, the rest of the packet is
> interpreted as data, since it's impossible to interpret
> any more. */
>
> data_start = 16;
> break;
> }
>
> /* The rest of the packet is data */
> data_length = tvb_get_ntohs(tvb, 6) - data_start;
> temp[0] = '\0';
> sprintf(temp, "Data (%d bytes)", data_length);
> proto_tree_add_text(tree, tvb, data_start, data_length, temp, NULL);
>
> }
>
>
> /* Documentation for version 1 of the protocol: LMC/JO-01:006 */
>
> if(version == 1) {
>
> /* All packets have the same fields in the first 3 words.
> These contains version, user, header size, message size,
> acknowledged link level sequence number, link level
> sequence number and previous processor. */
>
> proto_tree_add_uint(tipc_tree, hf_tipc_ver, tvb, 0, 1,
> version);
> proto_tree_add_string(tipc_tree, hf_tipc_user, tvb, 0, 1,
> user_list_v1[ipc_user]);
> proto_tree_add_uint(tipc_tree, hf_tipc_hdrsize, tvb, 0, 2,
> hdr_size);
> proto_tree_add_uint(tipc_tree, hf_tipc_msgsize, tvb, 1, 3,
> msg_size);
> proto_tree_add_uint(tipc_tree, hf_tipc_ackllseqno, tvb, 4, 2,
> tvb_get_ntohs(tvb, 4));
> proto_tree_add_uint(tipc_tree, hf_tipc_llseqno, tvb, 6, 2,
> tvb_get_ntohs(tvb, 6));
> temp[0] = '\0';
> sprintf(temp, "%d.%d.%d", tvb_get_guint8(tvb, 8),
> tvb_get_ntohs(tvb, 9) >> 4,
> tvb_get_ntohs(tvb, 10) & 0x0fff);
> proto_tree_add_string(tipc_tree, hf_tipc_prevproc, tvb, 8, 4,
> temp);
> data_start = 12;
>
> /* If there is a data packet the user is 0,1,2 or 3. This also tells
> the importance of the data packet. There are three different sizes
> of headers for data packets: 20 bytes, 32 bytes and 40 bytes. All
> of them contains originating port and destination port. */
>
> if(ipc_user <= 3) {
>
> proto_tree_add_string(tipc_tree, hf_tipc_imp, tvb, 0, 1,
> imp_list[ipc_user]);
> proto_tree_add_uint(tipc_tree, hf_tipc_originport, tvb, 12, 4,
> tvb_get_ntohl(tvb,12));
> proto_tree_add_uint(tipc_tree, hf_tipc_destport, tvb, 16, 4,
> tvb_get_ntohl(tvb,16));
> proto_tree_add_string(tipc_tree,
>hf_tipc_mtype, tvb, 20, 1,
>
>mtype_list_v1 [mtype][ipc_user]);
> data_start = 20;
>
> if(hdr_size > 20) {
>
> /* Data packet of header size 32 and 40 contains message type,
> error code, reroute counter, activity identity, originating
> processor and destination processor. */
>
> proto_tree_add_string(tipc_tree, hf_tipc_err, tvb, 20, 1,
> err_list_v1 [tvb_get_guint8(tvb, 20) & 0x0f]);
> proto_tree_add_uint(tipc_tree, hf_tipc_rr, tvb, 21, 1,
> (tvb_get_guint8(tvb, 21) & 0xf0) >> 4);
> proto_tree_add_uint(tipc_tree, hf_tipc_actid, tvb, 21, 3,
> (tvb_get_guint8(tvb, 21) & 0x0f) * 65536 +
> tvb_get_ntohs(tvb, 22));
> temp[0] = '\0';
> sprintf(temp, "%d.%d.%d", tvb_get_guint8(tvb, 24),
> tvb_get_ntohs(tvb, 25) >> 4,
> tvb_get_ntohs(tvb, 26) & 0x0fff);
> proto_tree_add_string(tipc_tree, hf_tipc_originproc, tvb, 24, 4,
> temp);
> temp[0] = '\0';
> sprintf(temp, "%d.%d.%d", tvb_get_guint8(tvb, 28),
> tvb_get_ntohs(tvb, 29) >> 4,
> tvb_get_ntohs(tvb, 30) & 0x0fff);
> proto_tree_add_string(tipc_tree, hf_tipc_destproc, tvb, 28, 4,
> temp);
> data_start = 32;
>
> if(hdr_size > 32) {
>
> /* Data packet of header size 40 contains port name type/
> connection level sequence number and port name instance. */
>
> proto_tree_add_uint(tipc_tree, hf_tipc_portnametype, tvb, 32, 4,
> tvb_get_ntohl(tvb,32));
> proto_tree_add_uint(tipc_tree, hf_tipc_portnameinst, tvb, 36, 4,
> tvb_get_ntohl(tvb,36));
> data_start = 40;
>
> }
>
> }
>
> }
>
> /* For internal protocols in TIPC word 3-6 have the same fields,
>althought
> which fields that are used depends on which user, and sometimes which
> message type, that is in the packet. These fields contain importance,
> link selector, message count, probe, bearer id, remote address,
>message
> type, sequence gap and next sent packet. */
>
> else if(ipc_user > 7 && ipc_user < 16) {
>
> if(ipc_user == 14)
> proto_tree_add_string(tipc_tree, hf_tipc_imp, tvb, 12, 1,
> imp_list[(tvb_get_guint8(tvb,12) & 0x18) >> 3]);
> if(ipc_user == 9 || ipc_user == 13 || ipc_user == 14)
> proto_tree_add_uint(tipc_tree, hf_tipc_linksel, tvb, 12, 1,
> tvb_get_guint8(tvb,12) & 0x07);
> if(ipc_user == 13 || ipc_user == 15)
> proto_tree_add_uint(tipc_tree, hf_tipc_msgcount, tvb, 13, 2,
> tvb_get_ntohs(tvb,13));
> if(ipc_user == 11 && mtype == 12)
> proto_tree_add_uint(tipc_tree, hf_tipc_probe, tvb, 15, 1,
> (tvb_get_guint8(tvb,15) & 0x40) >> 6);
> if(ipc_user == 11 || ipc_user == 13)
> proto_tree_add_uint(tipc_tree, hf_tipc_bearerid, tvb, 15, 1,
> (tvb_get_guint8(tvb,15) & 0x38) >> 3);
> if(ipc_user == 8)
> proto_tree_add_uint(tipc_tree, hf_tipc_remoteadr, tvb, 16, 4,
> tvb_get_ntohl(tvb,16));
> if(ipc_user == 9){
> unsigned int i = 40;
> proto_tree_add_uint(tipc_tree, hf_tipc_pub, tvb, 44,
>4,(msg_size-28)/25);
> for (;i < msg_size;i+=20)
> {
> proto_tree_add_uint(tipc_tree, hf_tipc_nametype, tvb, i, 4,
> tvb_get_ntohl(tvb,i));
> proto_tree_add_uint(tipc_tree, hf_tipc_nameidlow, tvb, i+4, 4,
> tvb_get_ntohl(tvb,i+4));
> proto_tree_add_uint(tipc_tree, hf_tipc_nameidupp, tvb, i+8, 4,
> tvb_get_ntohl(tvb,i+8));
> proto_tree_add_uint(tipc_tree, hf_tipc_portref, tvb, i+12, 4,
> tvb_get_ntohl(tvb,i+12));
> proto_tree_add_uint(tipc_tree, hf_tipc_key, tvb, i+16, 4,
> tvb_get_ntohl(tvb,i+16));
> }
> }
> if(ipc_user != 15 && ipc_user != 12)
> proto_tree_add_string(tipc_tree, hf_tipc_mtype, tvb, 20, 1,
> mtype_list_v1 [mtype][ipc_user]);
> if(ipc_user == 11 && mtype == 12)
> proto_tree_add_uint(tipc_tree, hf_tipc_seqgap, tvb, 20, 2,
> tvb_get_ntohs(tvb,20) & 0x0fff);
> if(ipc_user == 11){
> proto_tree_add_uint(tipc_tree, hf_tipc_nextsentpack, tvb, 22, 2,
> tvb_get_ntohs(tvb,22));
> if(msg_size == 48) // Compatibility.
> {
> unsigned int i = 0;
> char netwid[2] =
>{((tvb_get_ntohs(tvb,12)&0xe000)>>13)+'A',0};
> proto_tree_add_string(tipc_tree, hf_tipc_netwid, tvb, 12, 1,netwid);
> if (mtype != 12) // RESET or
>ACTIVATE msg
> {
> proto_tree_add_uint(tipc_tree,
>hf_tipc_linkprio, tvb, 24, 4,
> (tvb_get_ntohl(tvb,24)&0x000f8000)>>15);
> proto_tree_add_uint(tipc_tree,
>hf_tipc_linktolerance, tvb, 24, 4,
> (tvb_get_ntohl(tvb,24)&0x00007fff));
> memset(temp,0,sizeof(temp));
> for (;i<=20;i++) {
> temp[i] =
>tvb_get_guint8(tvb,28+i);
> }
> proto_tree_add_string(tipc_tree, hf_tipc_ifname, tvb, 28, 1,temp);
> }
> }
> }
> data_start = 28;
> }
>
> /* The rest of the packet is data */
> data_length = msg_size - data_start;
> temp[0] = '\0';
> sprintf(temp, "Data (%d bytes)", data_length);
> proto_tree_add_text(tree, tvb, data_start, data_length, temp, NULL);
>
> }
> }
>
>}
>
>
>
>/* Code that dissects packets of ethernet type 0x0808, which are used
> as Ethernet alive messages. */
>
>static void
>dissect_tipc_cfg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
>{
> proto_item *ti;
> proto_tree *tipc_tree;
> char msg_type[30];
>
> /* Maps message type numbers to explaining strings */
> switch(tvb_get_ntohl(tvb,0)) {
> case 226398408: strcpy(msg_type, "Configuration, Broadcast Link
>Request"); break;
> case 382530916: strcpy(msg_type, "Configuration, Unicast Link Request");
>break;
> default: strcpy(msg_type, "Not defined"); break;
> }
>
> /* Make entry in Protocol column on summary display */
> if (check_col(pinfo->cinfo, COL_PROTOCOL))
> col_set_str(pinfo->cinfo, COL_PROTOCOL, "TIPC");
>
> /* Make entry in Info column on summary display */
> if (check_col(pinfo->cinfo, COL_INFO)) {
> col_clear(pinfo->cinfo, COL_INFO);
> col_add_str(pinfo->cinfo, COL_INFO, msg_type);
> }
>
> /* If "tree" is NULL, not necessary to generate protocol tree items. */
> if (tree) {
>
> /* create display subtree for the protocol */
> ti = proto_tree_add_item(tree, proto_tipc, tvb, 0, 24, FALSE);
> tipc_tree = proto_item_add_subtree(ti, ett_tipc);
>
> /* This is where the creation of the protocol tree starts. The
> specification of the IPC protocol version 0 can be found in
> the document UAB/F-00:101, PA5. To be able to understand the
> code, this document is probably necessary.
>
> This protocol look similar in version 1.
>
> An ethernet alive message contains message type, zone, subnet,
> processor, system generation id and bearer name no. */
>
> proto_tree_add_string(tipc_tree, hf_tipc_cfgtype, tvb, 0, 4,
> msg_type);
> proto_tree_add_uint(tipc_tree, hf_tipc_cfgzone, tvb, 4, 4,
> tvb_get_ntohl(tvb,4));
> proto_tree_add_uint(tipc_tree, hf_tipc_cfgsubnet, tvb, 8, 4,
> tvb_get_ntohl(tvb,8));
> proto_tree_add_uint(tipc_tree, hf_tipc_cfgproc, tvb, 12, 4,
> tvb_get_ntohl(tvb,12));
> /* Obsolete:
> proto_tree_add_uint(tipc_tree, hf_tipc_cfgsysgenid, tvb, 16, 4,
> tvb_get_ntohl(tvb,16));
> proto_tree_add_uint(tipc_tree, hf_tipc_cfgbearnn, tvb, 20, 4,
> tvb_get_ntohl(tvb,20));
> */
>
> }
>
>}
>
>
>/* Register TIPC with Ethereal */
>void
>proto_register_tipc(void)
>{
>
> static hf_register_info hf[] = {
>
> { &hf_tipc_ver,
> { "Version", "tipc.ver",
> FT_UINT8, BASE_DEC, NULL, 0x0,
> "TIPC protocol version", HFILL }
> },
>
> { &hf_tipc_rr,
> { "Reroute counter", "tipc.rr",
> FT_UINT8, BASE_DEC, NULL, 0x0,
> "Reroute counter for NAS", HFILL }
> },
>
> { &hf_tipc_imp,
> { "Importance", "tipc.ump",
> FT_STRING, BASE_DEC, NULL, 0x0,
> "Importance of data message", HFILL }
> },
>
> { &hf_tipc_user,
> { "TIPC user", "tipc.user",
> FT_STRING, BASE_DEC, NULL, 0x0,
> "TIPC user", HFILL }
> },
>
> { &hf_tipc_err,
> { "Error code", "tipc.err",
> FT_STRING, BASE_DEC, NULL, 0x0,
> "Error code for data", HFILL }
> },
>
> { &hf_tipc_mtype,
> { "Message type", "tipc.mtype",
> FT_STRING, BASE_DEC, NULL, 0x0,
> "Message type", HFILL }
> },
>
> { &hf_tipc_octetcount,
> { "Octet count", "tipc.octetcount",
> FT_UINT16, BASE_DEC, NULL, 0x0,
> "Number of bytes in message, including the header", HFILL }
> },
>
> { &hf_tipc_ack,
> { "Acknowledged", "tipc.ack",
> FT_UINT16, BASE_DEC, NULL, 0x0,
> "The value of seq. no. for most recently accepted message", HFILL }
> },
>
> { &hf_tipc_seqno,
> { "Sequence number", "tipc.seqno",
> FT_UINT16, BASE_DEC, NULL, 0x0,
> "The sequence number of the message", HFILL }
> },
>
> { &hf_tipc_originproc,
> { "Sending processor", "tipc.originproc",
> FT_STRING, BASE_DEC, NULL, 0x0,
> "Processor ID of the processor on sending link", HFILL }
> },
>
> { &hf_tipc_originport,
> { "Originating port", "tipc.originport",
> FT_UINT32, BASE_DEC, NULL, 0x0,
> "Port number of the port that is the origin of the message", HFILL }
> },
>
> { &hf_tipc_destport,
> { "Destination port", "tipc.destport",
> FT_UINT32, BASE_DEC, NULL, 0x0,
> "Port number for the destination port at the receiving link end", HFILL
>}
> },
>
> { &hf_tipc_sourceproc,
> { "Source processor", "tipc.sourceproc",
> FT_STRING, BASE_DEC, NULL, 0x0,
> "Processor ID of the first orgin processor", HFILL }
> },
>
> { &hf_tipc_nametype,
> { "Name Type", "tipc.nametype",
> FT_UINT32, BASE_DEC, NULL, 0x0,
> "Destination port name type", HFILL }
> },
>
> { &hf_tipc_nameid,
> { "Name instance", "tipc.nameid",
> FT_UINT32, BASE_DEC, NULL, 0x0,
> "Destination port name instance", HFILL }
> },
>
> { &hf_tipc_destlinks,
> { "Destination link selector","tipc.destlinks",
> FT_UINT32, BASE_DEC, NULL, 0x0,
> "Destination link selector", HFILL }
> },
>
> { &hf_tipc_nameidlow,
> { "Name instance lower","tipc.nameidlow",
> FT_UINT32, BASE_DEC, NULL, 0x0,
> "Destination port name sequence, lower limit", HFILL }
> },
>
> { &hf_tipc_nameidupp,
> { "Name instance upper","tipc.nameidupp",
> FT_UINT32, BASE_DEC, NULL, 0x0,
> "Destination port name sequence, upper limit", HFILL }
> },
>
> { &hf_tipc_key,
> { "Key","tipc.key",
> FT_UINT32, BASE_DEC, NULL, 0x0,
> "Publication identifier", HFILL }
> },
>
> { &hf_tipc_portref,
> { "Port number", "tipc.portref",
> FT_UINT32, BASE_DEC, NULL, 0x0,
> "Ephemeral port representing this publication", HFILL }
> },
>
> { &hf_tipc_pub,
> { "Publications", "tipc.pub",
> FT_UINT32, BASE_DEC, NULL, 0x0,
> "Publications in this message", HFILL }
> },
>
> { &hf_tipc_nextsent,
> { "Next message", "tipc.nextsent",
> FT_UINT32, BASE_DEC, NULL, 0x0,
> "Next message to be sent that is not a link protocol message", HFILL }
> },
>
> { &hf_tipc_gap,
> { "Need transmission", "tipc.gap",
> FT_UINT32, BASE_DEC, NULL, 0x0,
> "Number of non-link protocol messages that needs retransmission", HFILL
>}
> },
>
> { &hf_tipc_bearerid,
> { "Bearer", "tipc.bearerid",
> FT_UINT8, BASE_DEC, NULL, 0x0,
> "Uniquely identifies bearer", HFILL }
> },
>
> { &hf_tipc_msgcount,
> { "Message count", "tipc.msgcount",
> FT_UINT16, BASE_DEC, NULL, 0x0,
> "Message count", HFILL }
> },
>
> { &hf_tipc_ols,
> { "Origin link selector","tipc.ols",
> FT_UINT8, BASE_DEC, NULL, 0x0,
> "Original link selector", HFILL }
> },
>
> { &hf_tipc_msgcountasm,
> { "Message count", "tipc.msgcountasm",
> FT_UINT32, BASE_DEC, NULL, 0x0,
> "Number of piggybacked messages", HFILL }
> },
>
> { &hf_tipc_cfgtype,
> { "Message type", "tipc.alitype",
> FT_STRING, BASE_DEC, NULL, 0x0,
> "Message type", HFILL }
> },
>
> { &hf_tipc_cfgzone,
> { "Zone", "tipc.alizone",
> FT_UINT32, BASE_DEC, NULL, 0x0,
> "Zone", HFILL }
> },
>
> { &hf_tipc_cfgsubnet,
> { "Subnet", "tipc.alisubnet",
> FT_UINT32, BASE_DEC, NULL, 0x0,
> "Subnet", HFILL }
> },
>
> { &hf_tipc_cfgproc,
> { "Processor", "tipc.aliproc",
> FT_UINT32, BASE_DEC, NULL, 0x0,
> "Processor", HFILL }
> },
>
> { &hf_tipc_cfgsysgenid,
> { "System generation","tipc.alisysgenid",
> FT_UINT32, BASE_DEC, NULL, 0x0,
> "System generation identification", HFILL }
> },
>
> { &hf_tipc_cfgbearnn,
> { "Bearer name","tipc.alibearnn",
> FT_UINT32, BASE_DEC, NULL, 0x0,
> "Bearers coordinate name", HFILL }
> },
>
> { &hf_tipc_hdrsize,
> { "Header size","tipc.hdrsize",
> FT_UINT8, BASE_DEC, NULL, 0x0,
> "Size of the header", HFILL }
> },
>
> { &hf_tipc_msgsize,
> { "Message size","tipc.msgsize",
> FT_UINT32, BASE_DEC, NULL, 0x0,
> "Size of the message", HFILL }
> },
>
> { &hf_tipc_ackllseqno,
> { "Ack link level seqno","tipc.ackllseqno",
> FT_UINT16, BASE_DEC, NULL, 0x0,
> "Acknowledgement sent by piggy back", HFILL }
> },
>
> { &hf_tipc_llseqno,
> { "Link level seqno","tipc.llseqno",
> FT_UINT16, BASE_DEC, NULL, 0x0,
> "Sequence number to keep track of message flow", HFILL }
> },
>
> { &hf_tipc_prevproc,
> { "Previous processor", "tipc.prevproc",
> FT_STRING, BASE_DEC, NULL, 0x0,
> "Processor ID of the last processor visited", HFILL }
> },
>
> { &hf_tipc_actid,
> { "Activity identity", "tipc.actid",
> FT_UINT32, BASE_DEC, NULL, 0x0,
> "Activity identity", HFILL }
> },
>
> { &hf_tipc_destproc,
> { "Destination processor", "tipc.destproc",
> FT_STRING, BASE_DEC, NULL, 0x0,
> "Final destination processor for a message", HFILL }
> },
>
> { &hf_tipc_portnametype,
> { "Port name type", "tipc.portnametype",
> FT_UINT32, BASE_DEC, NULL, 0x0,
> "If no port name message, this is the connection sequence number", HFILL
>}
> },
>
> { &hf_tipc_portnameinst,
> { "Port name instance", "tipc.portnameinst",
> FT_UINT32, BASE_DEC, NULL, 0x0,
> "Port name instance", HFILL }
> },
>
> { &hf_tipc_linksel,
> { "Link selector", "tipc.linksel",
> FT_UINT8, BASE_DEC, NULL, 0x0,
> "Link selector", HFILL }
> },
>
> { &hf_tipc_probe,
> { "Probe", "tipc.probe",
> FT_UINT8, BASE_DEC, NULL, 0x0,
> "Instructs the receiving link end to immediatly respond", HFILL }
> },
>
> { &hf_tipc_remoteadr,
> { "Next message", "tipc.remoteadr",
> FT_UINT32, BASE_DEC, NULL, 0x0,
> "Remote address", HFILL }
> },
>
> { &hf_tipc_seqgap,
> { "Sequence gap", "tipc.seqgap",
> FT_UINT16, BASE_DEC, NULL, 0x0,
> "Size of gap detected in the senders received packet sequence", HFILL }
> },
>
> { &hf_tipc_nextsentpack,
> { "Next sent packet", "tipc.nextsentpack",
> FT_UINT16, BASE_DEC, NULL, 0x0,
> "Current state of send queue", HFILL }
> },
> { &hf_tipc_netwid,
> { "Network", "tipc.netwid",
> FT_STRING, BASE_DEC, NULL, 0x0,
> "Name of logical network comprising this link", HFILL }
> },
> { &hf_tipc_linkprio,
> { "Link priority", "tipc.linkprio",
> FT_UINT16, BASE_DEC, NULL, 0x0,
> "Priority of this link", HFILL }
> },
> { &hf_tipc_linktolerance,
> { "Link tolerance", "tipc.linktolerance",
> FT_UINT16, BASE_DEC, NULL, 0x0,
> "Milliseconds of non-contact before link is declared faulty", HFILL }
> },
>
> { &hf_tipc_ifname,
> { "Interface name", "tipc.ifname",
> FT_STRING, BASE_DEC, NULL, 0x0,
> "Sender's ethernet interface this associated with this network", HFILL }
> },
>
> };
>
>/* Setup protocol subtree array */
> static gint *ett[] = {
> &ett_tipc,
> };
>
>/* Register the protocol name and description */
> proto_tipc = proto_register_protocol("TelORB Inter Process Communication",
> "TIPC", "tipc");
>
>/* Required function calls to register the header fields and subtrees used
>*/
> proto_register_field_array(proto_tipc, hf, array_length(hf));
> proto_register_subtree_array(ett, array_length(ett));
>
>}
>
>
>/* Register the connection between ethertype and TIPC. The identification
> number for TIPC packets in Ethernet is 0x0807 and 0x0808. These are
> defined in etypes.h */
>void
>proto_reg_handoff_tipc(void)
>{
> dissector_handle_t tipc_handle, tipc_cfg_handle;
>
> tipc_handle = create_dissector_handle(dissect_tipc, proto_tipc);
> tipc_cfg_handle = create_dissector_handle(dissect_tipc_cfg, proto_tipc);
> dissector_add("ethertype", ETHERTYPE_TIPC, tipc_handle);
> dissector_add("ethertype", ETHERTYPE_TIPC_CFG, tipc_cfg_handle);
>}
>
>
>/* To make this dissector work, some modifications have to be done to
> other source files.
>
> In etypes.h, add
>
> #ifndef ETHERTYPE_TIPC
> #define ETHERTYPE_TIPC 0x0807
> #endif
>
> #ifndef ETHERTYPE_TIPC_CFG
> #define ETHERTYPE_TIPC_CFG 0x0808
> #endif
>
> that tells ethereal which port numbers that are associated with TIPC.
>
> In packet-ethertype.c, add
>
> {ETHERTYPE_TIPC, "TIPC"},
>
> to the array named value_string etype_vals[]. This tells Ethereal the
> name of the protocol.
>
> Also the filename packet-tipc.c should be added to the DISSECTOR_SOURCE
> macro in 'Makefile.am' and 'Makefile.nmake'.
>
>*/
>
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