620 lines
19 KiB
C
620 lines
19 KiB
C
/* packet-wtp.c (c) 2000 Neil Hunter
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* Base on original work by Ben Fowler
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*
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* Routines to dissect WTP component of WAP traffic.
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*
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* $Id: packet-wtp.c,v 1.4 2000/11/19 08:54:10 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 Didier Jorand
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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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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#ifdef HAVE_SYS_TYPES_H
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# include <sys/types.h>
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#endif
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#ifdef HAVE_NETINET_IN_H
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# include <netinet/in.h>
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#endif
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#ifdef NEED_SNPRINTF_H
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# ifdef HAVE_STDARG_H
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# include <stdarg.h>
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# else
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# include <varargs.h>
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# endif
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# include "snprintf.h"
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#endif
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#include <string.h>
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#include <glib.h>
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#include "packet.h"
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#include "packet-wap.h"
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#include "packet-wtp.h"
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#include "packet-wsp.h"
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static const true_false_string continue_truth = {
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"TPI Present" ,
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"No TPI"
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};
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static const true_false_string RID_truth = {
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"Re-Transmission",
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"First transmission"
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};
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static const true_false_string TIDNew_truth = {
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"TID is new" ,
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"TID is valid"
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};
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static const true_false_string tid_response_truth = {
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"Response" ,
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"Original"
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};
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static const true_false_string UP_truth = {
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"User Acknowledgement required" ,
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"User Acknowledgement optional"
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};
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static const true_false_string TVETOK_truth = {
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"True",
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"False"
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};
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static const value_string vals_pdu_type[] = {
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{ 0, "Not Allowed" },
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{ 1, "Invoke" },
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{ 2, "Result" },
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{ 3, "Ack" },
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{ 4, "Abort" },
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{ 5, "Segmented Invoke" },
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{ 6, "Segmented Result" },
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{ 6, "Negative Ack" },
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};
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static const value_string vals_transmission_trailer[] = {
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{ 0, "Not last packet" },
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{ 1, "Last packet of message" },
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{ 2, "Last packet of group" },
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{ 3, "Re-assembly not supported" },
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};
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static const value_string vals_version[] = {
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{ 0, "Current" },
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{ 1, "Undefined" },
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{ 2, "Undefined" },
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{ 3, "Undefined" },
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};
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static const value_string vals_abort_type[] = {
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{ 0, "Provider" },
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{ 1, "User (WSP)" }
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};
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static const value_string vals_abort_reason_provider[] = {
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{ 0x00, "Unknown" },
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{ 0x01, "Protocol Error" },
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{ 0x02, "Invalid TID" },
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{ 0x03, "Not Implemented Class 2" },
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{ 0x04, "Not Implemented SAR" },
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{ 0x05, "Not Implemented User Acknowledgement" },
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{ 0x06, "WTP Version Zero" },
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{ 0x07, "Capacity Temporarily Exceeded" },
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{ 0x08, "No Response" },
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{ 0x09, "Message Too Large" }
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};
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/* File scoped variables for the protocol and registered fields */
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static int proto_wtp = HF_EMPTY;
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/* These fields used by fixed part of header */
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static int hf_wtp_header_fixed_part = HF_EMPTY;
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static int hf_wtp_header_flag_continue = HF_EMPTY;
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static int hf_wtp_header_pdu_type = HF_EMPTY;
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static int hf_wtp_header_flag_Trailer = HF_EMPTY;
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static int hf_wtp_header_flag_RID = HF_EMPTY;
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static int hf_wtp_header_flag_TID = HF_EMPTY;
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static int hf_wtp_header_flag_TID_response = HF_EMPTY;
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/* These fields used by Invoke packets */
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static int hf_wtp_header_Inv_version = HF_EMPTY;
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static int hf_wtp_header_Inv_flag_TIDNew = HF_EMPTY;
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static int hf_wtp_header_Inv_flag_UP = HF_EMPTY;
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static int hf_wtp_header_Inv_Reserved = HF_EMPTY;
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static int hf_wtp_header_Inv_TransactionClass = HF_EMPTY;
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static int hf_wtp_header_variable_part = HF_EMPTY;
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static int hf_wtp_data = HF_EMPTY;
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static int hf_wtp_header_Ack_flag_TVETOK = HF_EMPTY;
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static int hf_wtp_header_Abort_type = HF_EMPTY;
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static int hf_wtp_header_Abort_reason_provider = HF_EMPTY;
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static int hf_wtp_header_Abort_reason_user = HF_EMPTY;
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static int hf_wtp_header_sequence_number = HF_EMPTY;
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static int hf_wtp_header_missing_packets = HF_EMPTY;
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/* Initialize the subtree pointers */
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static gint ett_wtp = ETT_EMPTY;
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static gint ett_header = ETT_EMPTY;
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/* Declarations */
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static char transaction_class(unsigned char octet);
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static char pdu_type(unsigned char octet);
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static char retransmission_indicator(unsigned char octet);
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/* Code to actually dissect the packets */
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static void
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dissect_wtp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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{
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frame_data *fdata = pinfo->fd;
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char szInfo[ 50 ];
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int offCur = 0; /* current offset from start of WTP data */
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/* bytes at offset 0 - 3 */
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/*
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unsigned char b0 = pd[offset + 0];
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unsigned char b3 = pd[offset + 3];
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*/
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unsigned char b0 = tvb_get_guint8 (tvb, offCur + 0);
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/* continuation flag */
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unsigned char fCon = b0 & 0x80;
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unsigned char fRID = retransmission_indicator( b0 );
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int cbHeader = 0;
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int abortType = 0;
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/* Set up structures we will need to add the protocol subtree and manage it */
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proto_item *ti;
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proto_tree *wtp_tree;
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proto_tree *wtp_header_fixed;
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char pdut = pdu_type( b0 );
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char clsTransaction = ' ';
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int cchInfo;
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int numMissing = 0; /* Number of missing packets in a negative ack */
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int i;
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tvbuff_t *wsp_tvb = NULL;
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CHECK_DISPLAY_AS_DATA(proto_wtp, tvb, pinfo, tree);
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/* Make entries in Protocol column and Info column of summary display */
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#ifdef DEBUG
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fprintf( stderr, "dissect_wtp: (Entering) Frame data at %p\n", fdata );
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fprintf( stderr, "dissect_wtp: tvb length is %d\n", tvb_reported_length( tvb ) );
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#endif
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/* Display protocol type depending on the port */
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if (check_col(fdata, COL_PROTOCOL))
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{
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switch ( pinfo->match_port )
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{
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case UDP_PORT_WTP_WSP:
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col_add_fstr(fdata, COL_PROTOCOL, "WTP+WSP" );
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break;
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case UDP_PORT_WTLS_WTP_WSP:
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col_add_fstr(fdata, COL_PROTOCOL, "WTLS+WTP+WSP" );
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break;
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default:
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break;
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}
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}
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/* Develop the string to put in the Info column */
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cchInfo = snprintf( szInfo, sizeof( szInfo ), "WTP %s", vals_pdu_type[ ( int )pdut ].strptr );
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switch( pdut ) {
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case INVOKE:
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clsTransaction = transaction_class( tvb_get_guint8 (tvb, offCur + 3) );
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snprintf( szInfo + cchInfo, sizeof( szInfo ) - cchInfo, " Class %d", clsTransaction );
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case ABORT:
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case SEGMENTED_INVOKE:
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case SEGMENTED_RESULT:
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cbHeader = 4;
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break;
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case RESULT:
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case ACK:
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cbHeader = 3;
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break;
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case NEGATIVE_ACK:
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/* Varible number of missing packets */
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numMissing = tvb_get_guint8 (tvb, offCur + 3);
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cbHeader = numMissing + 4;
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break;
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default:
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break;
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};
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if( fRID ) {
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strcat( szInfo, " R" );
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};
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#ifdef DEBUG
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fprintf( stderr, "dissect_wtp: cbHeader = %d\n", cbHeader );
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#endif
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/* This field shows up as the "Info" column in the display; you should make
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it, if possible, summarize what's in the packet, so that a user looking
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at the list of packets can tell what type of packet it is. */
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if (check_col(fdata, COL_INFO)) {
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#ifdef DEBUG
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fprintf( stderr, "dissect_wtp: (6) About to set info_col header to %s\n", szInfo );
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#endif
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col_add_str(fdata, COL_INFO, szInfo );
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};
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/* In the interest of speed, if "tree" is NULL, don't do any work not
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necessary to generate protocol tree items. */
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if (tree) {
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#ifdef DEBUG
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fprintf( stderr, "dissect_wtp: cbHeader = %d\n", cbHeader );
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#endif
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ti = proto_tree_add_item(tree, proto_wtp, tvb, offCur, cbHeader, bo_little_endian);
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#ifdef DEBUG
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fprintf( stderr, "dissect_wtp: (7) Returned from proto_tree_add_item\n" );
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#endif
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wtp_tree = proto_item_add_subtree(ti, ett_wtp);
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/* Code to process the packet goes here */
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{
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#ifdef DEBUG
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fprintf( stderr, "dissect_wtp: cbHeader = %d\n", cbHeader );
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fprintf( stderr, "dissect_wtp: offCur = %d\n", offCur );
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fprintf( stderr, "dissect_wtp: About to call proto_tree_add_item with %p %d %p %d %d %d\n",
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wtp_tree, hf_wtp_header_fixed_part, tvb, offCur, cbHeader, bo_little_endian );
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ti = proto_tree_add_item( wtp_tree, hf_wtp_header_fixed_part, tvb, offCur, cbHeader, bo_little_endian );
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fprintf( stderr, "dissect_wtp: (6) Returned from proto_tree_add_item\n" );
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#endif
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wtp_header_fixed = proto_item_add_subtree(
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ti,
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ett_header
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);
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/* Add common items: only CON and PDU Type */
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ti = proto_tree_add_item(
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wtp_header_fixed, /* tree */
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hf_wtp_header_flag_continue, /* id */
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tvb,
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offCur, /* start of high light */
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1, /* length of high light */
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b0 /* value */
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);
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ti = proto_tree_add_item( wtp_header_fixed, hf_wtp_header_pdu_type, tvb, offCur, 1, bo_little_endian );
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switch( pdut ) {
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case INVOKE:
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ti = proto_tree_add_item( wtp_header_fixed, hf_wtp_header_flag_Trailer, tvb, offCur, 1, bo_little_endian );
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ti = proto_tree_add_item( wtp_header_fixed, hf_wtp_header_flag_RID, tvb, offCur, 1, bo_little_endian );
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ti = proto_tree_add_item( wtp_header_fixed, hf_wtp_header_flag_TID_response, tvb, offCur + 1, 2, bo_big_endian );
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ti = proto_tree_add_item( wtp_header_fixed, hf_wtp_header_flag_TID, tvb, offCur + 1, 2, bo_big_endian );
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ti = proto_tree_add_item( wtp_header_fixed, hf_wtp_header_Inv_version , tvb, offCur + 3, 1, bo_little_endian );
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ti = proto_tree_add_item( wtp_header_fixed, hf_wtp_header_Inv_flag_TIDNew, tvb, offCur + 3, 1, bo_little_endian );
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ti = proto_tree_add_item( wtp_header_fixed, hf_wtp_header_Inv_flag_UP, tvb, offCur + 3, 1, bo_little_endian );
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ti = proto_tree_add_item( wtp_header_fixed, hf_wtp_header_Inv_Reserved, tvb, offCur + 3, 1, bo_little_endian );
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ti = proto_tree_add_item( wtp_header_fixed, hf_wtp_header_Inv_TransactionClass, tvb, offCur + 3, 1, bo_little_endian );
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break;
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case RESULT:
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ti = proto_tree_add_item( wtp_header_fixed, hf_wtp_header_flag_Trailer, tvb, offCur, 1, bo_little_endian );
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ti = proto_tree_add_item( wtp_header_fixed, hf_wtp_header_flag_RID, tvb, offCur, 1, bo_little_endian );
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ti = proto_tree_add_item( wtp_header_fixed, hf_wtp_header_flag_TID_response, tvb, offCur + 1, 2, bo_big_endian );
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ti = proto_tree_add_item( wtp_header_fixed, hf_wtp_header_flag_TID, tvb, offCur + 1, 2, bo_big_endian );
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break;
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case ACK:
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ti = proto_tree_add_item( wtp_header_fixed, hf_wtp_header_Ack_flag_TVETOK, tvb, offCur, 1, bo_big_endian );
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ti = proto_tree_add_item( wtp_header_fixed, hf_wtp_header_flag_RID, tvb, offCur, 1, bo_little_endian );
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ti = proto_tree_add_item( wtp_header_fixed, hf_wtp_header_flag_TID_response, tvb, offCur + 1, 2, bo_big_endian );
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ti = proto_tree_add_item( wtp_header_fixed, hf_wtp_header_flag_TID, tvb, offCur + 1, 2, bo_big_endian );
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break;
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case ABORT:
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abortType = tvb_get_guint8 (tvb, offCur) & 0x07;
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ti = proto_tree_add_item( wtp_header_fixed, hf_wtp_header_Abort_type , tvb, offCur , 1, bo_little_endian );
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ti = proto_tree_add_item( wtp_header_fixed, hf_wtp_header_flag_TID_response, tvb, offCur + 1, 2, bo_big_endian );
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ti = proto_tree_add_item( wtp_header_fixed, hf_wtp_header_flag_TID, tvb, offCur + 1, 2, bo_big_endian );
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if (abortType == PROVIDER)
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{
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ti = proto_tree_add_item( wtp_header_fixed, hf_wtp_header_Abort_reason_provider , tvb, offCur + 3 , 1, bo_little_endian );
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}
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else if (abortType == USER)
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{
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ti = proto_tree_add_item( wtp_header_fixed, hf_wtp_header_Abort_reason_user , tvb, offCur + 3 , 1, bo_little_endian );
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}
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break;
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case SEGMENTED_INVOKE:
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ti = proto_tree_add_item( wtp_header_fixed, hf_wtp_header_flag_Trailer, tvb, offCur, 1, bo_little_endian );
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ti = proto_tree_add_item( wtp_header_fixed, hf_wtp_header_flag_RID, tvb, offCur, 1, bo_little_endian );
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ti = proto_tree_add_item( wtp_header_fixed, hf_wtp_header_flag_TID_response, tvb, offCur + 1, 2, bo_big_endian );
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ti = proto_tree_add_item( wtp_header_fixed, hf_wtp_header_flag_TID, tvb, offCur + 1, 2, bo_big_endian );
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ti = proto_tree_add_item( wtp_header_fixed, hf_wtp_header_sequence_number , tvb, offCur + 3, 1, bo_little_endian );
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break;
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case SEGMENTED_RESULT:
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ti = proto_tree_add_item( wtp_header_fixed, hf_wtp_header_flag_Trailer, tvb, offCur, 1, bo_little_endian );
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ti = proto_tree_add_item( wtp_header_fixed, hf_wtp_header_flag_RID, tvb, offCur, 1, bo_little_endian );
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ti = proto_tree_add_item( wtp_header_fixed, hf_wtp_header_flag_TID_response, tvb, offCur + 1, 2, bo_big_endian );
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ti = proto_tree_add_item( wtp_header_fixed, hf_wtp_header_flag_TID, tvb, offCur + 1, 2, bo_big_endian );
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ti = proto_tree_add_item( wtp_header_fixed, hf_wtp_header_sequence_number , tvb, offCur + 3, 1, bo_little_endian );
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break;
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case NEGATIVE_ACK:
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ti = proto_tree_add_item( wtp_header_fixed, hf_wtp_header_flag_RID, tvb, offCur, 1, bo_little_endian );
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ti = proto_tree_add_item( wtp_header_fixed, hf_wtp_header_flag_TID_response, tvb, offCur + 1, 2, bo_big_endian );
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ti = proto_tree_add_item( wtp_header_fixed, hf_wtp_header_flag_TID, tvb, offCur + 1, 2, bo_big_endian );
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ti = proto_tree_add_item( wtp_header_fixed, hf_wtp_header_missing_packets , tvb, offCur + 3, 1, bo_little_endian );
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/* Iterate through missing packets */
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for (i=0; i<numMissing; i++)
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{
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ti = proto_tree_add_item( wtp_header_fixed, hf_wtp_header_sequence_number , tvb, offCur + i, 1, bo_little_endian );
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}
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break;
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default:
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break;
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};
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if( fCon ) {
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/* There is a variable part if the Con flag is set */
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ti = proto_tree_add_bytes_format(
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wtp_tree, /* tree */
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hf_wtp_header_variable_part, /* id */
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tvb,
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offCur + 4, /* start */
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4, /* length */
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"What should go here!", /* value */
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"Header (Variable part) %02X %02X %02X %02X" , /* format */
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0, 1, 2, 3
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);
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} else {
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/* There is no variable part */
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}; /* End of variable part of header */
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}
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} else {
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#ifdef DEBUG
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fprintf( stderr, "dissect_wtp: (4) tree was %p\n", tree );
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#endif
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}
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/* Any remaining data ought to be WSP data, so hand off to the WSP dissector */
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if (tvb_reported_length (tvb) > cbHeader)
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{
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wsp_tvb = tvb_new_subset(tvb, cbHeader, -1, tvb_reported_length (tvb)-cbHeader);
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dissect_wsp( wsp_tvb, pinfo, tree);
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}
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|
|
|
#ifdef DEBUG
|
|
fprintf( stderr, "dissect_wtp: (leaving) fdata->cinfo is %p\n", fdata->cinfo );
|
|
#endif
|
|
}
|
|
|
|
static char pdu_type(unsigned char octet)
|
|
{
|
|
char ch = (octet >> 3) & 0x0F;
|
|
/* Note pdu type must not be 0x00 */
|
|
return ch;
|
|
};
|
|
|
|
static char transaction_class(unsigned char octet)
|
|
{
|
|
char ch = (octet >> 0) & 0x03; /* ......XX */
|
|
return ch;
|
|
};
|
|
|
|
static char retransmission_indicator(unsigned char octet)
|
|
{
|
|
char ch = (octet >> 0) & 0x01; /* ......,X */
|
|
return ch;
|
|
};
|
|
|
|
/* Register the protocol with Ethereal */
|
|
void
|
|
proto_register_wtp(void)
|
|
{
|
|
|
|
/* Setup list of header fields */
|
|
static hf_register_info hf[] = {
|
|
{ &hf_wtp_header_fixed_part,
|
|
{ "Header",
|
|
"wtp.header_fixed_part",
|
|
FT_BYTES, BASE_HEX, NULL, 0x0,
|
|
"Fixed part of the header"
|
|
}
|
|
},
|
|
{ &hf_wtp_header_flag_continue,
|
|
{ "Continue Flag",
|
|
"wtp.continue-flag",
|
|
FT_BOOLEAN, 8, TFS( &continue_truth ), 0x80,
|
|
"Continue Flag"
|
|
}
|
|
},
|
|
{ &hf_wtp_header_pdu_type,
|
|
{ "PDU Type",
|
|
"wtp.pdu-type",
|
|
FT_UINT8, BASE_HEX, VALS( vals_pdu_type ), 0x78,
|
|
"PDU Type"
|
|
}
|
|
},
|
|
{ &hf_wtp_header_flag_Trailer,
|
|
{ "Trailer Flags",
|
|
"wtp.trailer-flags",
|
|
FT_UINT8, BASE_HEX, VALS( vals_transmission_trailer ), 0x06,
|
|
"PDU Type"
|
|
}
|
|
},
|
|
{ &hf_wtp_header_flag_RID,
|
|
{ "Re-transmission Indicator",
|
|
"wtp.RID",
|
|
FT_BOOLEAN, 8, TFS( &RID_truth ), 0x01,
|
|
"Re-transmission Indicator"
|
|
}
|
|
},
|
|
{ &hf_wtp_header_flag_TID_response,
|
|
{ "TID Response",
|
|
"wtp.TID.response",
|
|
FT_BOOLEAN, 16, TFS( &tid_response_truth ), 0x8000,
|
|
"TID Response"
|
|
}
|
|
},
|
|
{ &hf_wtp_header_flag_TID,
|
|
{ "Transmission ID",
|
|
"wtp.TID",
|
|
FT_UINT16, BASE_HEX, NULL, 0x7FFF,
|
|
"Transmission ID"
|
|
}
|
|
},
|
|
{ &hf_wtp_header_Inv_version,
|
|
{ "Version",
|
|
"wtp.header.version",
|
|
FT_UINT8, BASE_HEX, VALS( vals_version ), 0xC0,
|
|
"Version"
|
|
}
|
|
},
|
|
{ &hf_wtp_header_Inv_flag_TIDNew,
|
|
{ "TIDNew",
|
|
"wtp.header.TIDNew",
|
|
FT_BOOLEAN, 8, TFS( &TIDNew_truth ), 0x20,
|
|
"TIDNew"
|
|
}
|
|
},
|
|
{ &hf_wtp_header_Inv_flag_UP,
|
|
{ "U/P flag",
|
|
"wtp.header.UP",
|
|
FT_BOOLEAN, 8, TFS( &UP_truth ), 0x10,
|
|
"U/P Flag"
|
|
}
|
|
},
|
|
{ &hf_wtp_header_Inv_Reserved,
|
|
{ "Reserved",
|
|
"wtp.inv.reserved",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0C,
|
|
"Reserved"
|
|
}
|
|
},
|
|
{ &hf_wtp_header_Inv_TransactionClass,
|
|
{ "Transaction Class",
|
|
"wtp.inv.transaction-class",
|
|
FT_UINT8, BASE_HEX, NULL, 0x03,
|
|
"Transaction Class"
|
|
}
|
|
},
|
|
{ &hf_wtp_header_Ack_flag_TVETOK,
|
|
{ "Tve/Tok flag",
|
|
"wtp.ack.tvetok",
|
|
FT_BOOLEAN, 8, TFS( &TVETOK_truth ), 0x04,
|
|
"Tve/Tok flag"
|
|
}
|
|
},
|
|
{ &hf_wtp_header_Abort_type,
|
|
{ "Abort Type",
|
|
"wtp.abort.type",
|
|
FT_UINT8, BASE_HEX, VALS ( vals_abort_type ), 0x07,
|
|
"Abort Type"
|
|
}
|
|
},
|
|
{ &hf_wtp_header_Abort_reason_provider,
|
|
{ "Abort Reason",
|
|
"wtp.abort.reason.provider",
|
|
FT_UINT8, BASE_HEX, VALS ( vals_abort_reason_provider ), 0x00,
|
|
"Abort Reason"
|
|
}
|
|
},
|
|
/* Assume WSP is the user and use its reason codes */
|
|
{ &hf_wtp_header_Abort_reason_user,
|
|
{ "Abort Reason",
|
|
"wtp.abort.reason.user",
|
|
FT_UINT8, BASE_HEX, VALS ( vals_wsp_reason_codes ), 0x00,
|
|
"Abort Reason"
|
|
}
|
|
},
|
|
{ &hf_wtp_header_sequence_number,
|
|
{ "Packet Sequence Number",
|
|
"wtp.header.sequence",
|
|
FT_UINT8, BASE_HEX, NULL, 0x00,
|
|
"Packet Sequence Number"
|
|
}
|
|
},
|
|
{ &hf_wtp_header_missing_packets,
|
|
{ "Missing Packets",
|
|
"wtp.header.missing_packets",
|
|
FT_UINT8, BASE_HEX, NULL, 0x00,
|
|
"Missing Packets"
|
|
}
|
|
},
|
|
{ &hf_wtp_header_variable_part,
|
|
{ "Header: Variable part",
|
|
"wtp.header_variable_part",
|
|
FT_BYTES, BASE_HEX, NULL, 0x0,
|
|
"Variable part of the header"
|
|
}
|
|
},
|
|
{ &hf_wtp_data,
|
|
{ "Data",
|
|
"wtp.header_data",
|
|
FT_BYTES, BASE_HEX, NULL, 0x0,
|
|
"Data"
|
|
}
|
|
},
|
|
};
|
|
|
|
/* Setup protocol subtree array */
|
|
static gint *ett[] = {
|
|
&ett_wtp,
|
|
&ett_header,
|
|
};
|
|
|
|
/* Register the protocol name and description */
|
|
proto_wtp = proto_register_protocol(
|
|
"Wireless Transaction Protocol", /* protocol name for use by ethereal */
|
|
"wap-wsp-wtp" /* Abbreviated protocol name, should Match IANA
|
|
< URL:http://www.isi.edu/in-notes/iana/assignments/port-numbers/ >
|
|
*/
|
|
);
|
|
|
|
/* Required function calls to register the header fields and subtrees used */
|
|
proto_register_field_array(proto_wtp, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
};
|
|
|
|
void
|
|
proto_reg_handoff_wtp(void)
|
|
{
|
|
dissector_add("udp.port", UDP_PORT_WTP_WSP, dissect_wtp);
|
|
/* dissector_add("udp.port", UDP_PORT_WTLS_WTP_WSP, dissect_wsp); */
|
|
}
|