2006-05-02 19:44:12 +00:00
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/* packet-ulp.c
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* Routines for OMA UserPlane Location Protocol packet dissection
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* Copyright 2006, Anders Broman <anders.broman@ericsson.com>
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*
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2006-05-21 05:12:17 +00:00
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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2006-05-02 19:44:12 +00:00
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* Copyright 1998 Gerald Combs
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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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2012-06-28 22:56:06 +00:00
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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2006-05-02 19:44:12 +00:00
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*
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2014-08-09 19:21:27 +00:00
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* ref OMA-TS-ULP-V2_0_2-20140708-A
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2006-05-02 19:44:12 +00:00
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* http://www.openmobilealliance.org
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*/
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2012-09-20 01:29:52 +00:00
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#include "config.h"
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2006-05-02 19:44:12 +00:00
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2015-12-13 19:14:22 +00:00
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#include "math.h"
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2006-05-02 19:44:12 +00:00
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#include <epan/packet.h>
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2006-05-13 12:06:56 +00:00
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#include <epan/prefs.h>
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2007-05-01 22:05:11 +00:00
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#include <epan/asn1.h>
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2006-05-02 19:44:12 +00:00
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#include "packet-per.h"
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2006-05-30 20:52:43 +00:00
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#include "packet-tcp.h"
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2007-07-03 09:08:31 +00:00
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#include "packet-gsm_map.h"
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2015-03-08 20:27:27 +00:00
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#include "packet-e164.h"
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#include "packet-e212.h"
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2006-05-02 19:44:12 +00:00
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#define PNAME "OMA UserPlane Location Protocol"
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#define PSNAME "ULP"
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#define PFNAME "ulp"
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2013-03-28 07:34:13 +00:00
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void proto_register_ulp(void);
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2008-11-04 22:01:35 +00:00
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static dissector_handle_t rrlp_handle;
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2012-02-20 20:32:53 +00:00
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static dissector_handle_t lpp_handle;
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2006-05-02 19:44:12 +00:00
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2010-12-06 19:48:05 +00:00
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/* IANA Registered Ports
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2006-05-07 13:22:30 +00:00
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* oma-ulp 7275/tcp OMA UserPlane Location
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* oma-ulp 7275/udp OMA UserPlane Location
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*/
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2014-03-13 13:46:42 +00:00
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static guint gbl_ulp_tcp_port = 7275;
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static guint gbl_ulp_udp_port = 7275;
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2006-05-02 19:44:12 +00:00
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/* Initialize the protocol and registered fields */
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static int proto_ulp = -1;
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2006-05-30 20:52:43 +00:00
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#define ULP_HEADER_SIZE 2
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2010-12-06 19:48:05 +00:00
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static gboolean ulp_desegment = TRUE;
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2006-05-30 20:52:43 +00:00
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2006-05-02 19:44:12 +00:00
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#include "packet-ulp-hf.c"
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2015-03-08 20:27:27 +00:00
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static int hf_ulp_mobile_directory_number = -1;
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2015-12-13 19:14:22 +00:00
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static int hf_ulp_ganssTimeModels_bit0 = -1;
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static int hf_ulp_ganssTimeModels_bit1 = -1;
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static int hf_ulp_ganssTimeModels_bit2 = -1;
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static int hf_ulp_ganssTimeModels_bit3 = -1;
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static int hf_ulp_ganssTimeModels_bit4 = -1;
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static int hf_ulp_ganssTimeModels_spare = -1;
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2006-05-02 19:44:12 +00:00
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/* Initialize the subtree pointers */
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static gint ett_ulp = -1;
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2015-03-08 20:27:27 +00:00
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static gint ett_ulp_setid = -1;
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static gint ett_ulp_thirdPartyId = -1;
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2015-12-13 19:14:22 +00:00
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static gint ett_ulp_ganssTimeModels = -1;
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2006-05-02 19:44:12 +00:00
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#include "packet-ulp-ett.c"
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2015-12-13 19:14:22 +00:00
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static const value_string ulp_ganss_id_vals[] = {
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{ 0, "Galileo"},
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{ 1, "SBAS"},
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{ 2, "Modernized GPS"},
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{ 3, "QZSS"},
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{ 4, "GLONASS"},
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{ 5, "BDS"},
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{ 0, NULL},
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};
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static const value_string ulp_ganss_sbas_id_vals[] = {
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{ 0, "WAAS"},
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{ 1, "EGNOS"},
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{ 2, "MSAS"},
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{ 3, "GAGAN"},
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{ 0, NULL},
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};
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static void
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ulp_ganssDataBitInterval_fmt(gchar *s, guint32 v)
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{
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if (v == 15) {
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g_snprintf(s, ITEM_LABEL_LENGTH, "Time interval is not specified (15)");
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} else {
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double interval = (0.1*pow(2, (double)v));
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g_snprintf(s, ITEM_LABEL_LENGTH, "%g s (%u)", interval, v);
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}
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}
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static void
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ulp_ExtendedEphemeris_validity_fmt(gchar *s, guint32 v)
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{
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g_snprintf(s, ITEM_LABEL_LENGTH, "%u h (%u)", 4*v, v);
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}
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static void
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ulp_PositionEstimate_latitude_fmt(gchar *s, guint32 v)
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{
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double latitude = ((double)v*90)/pow(2,23);
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g_snprintf(s, ITEM_LABEL_LENGTH, "%g degrees (%u)", latitude, v);
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}
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static void
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ulp_PositionEstimate_longitude_fmt(gchar *s, guint32 v)
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{
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double longitude = ((double)(gint32)v*360)/pow(2,24);
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g_snprintf(s, ITEM_LABEL_LENGTH, "%g degrees (%u)", longitude, v);
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}
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static void
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ulp_NMRelement_rxLev_fmt(gchar *s, guint32 v)
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{
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if (v == 0) {
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g_snprintf(s, ITEM_LABEL_LENGTH, "RxLev < -110 dBm (0)");
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} else if (v == 63) {
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g_snprintf(s, ITEM_LABEL_LENGTH, "RxLev >= -48 dBm (63)");
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} else {
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g_snprintf(s, ITEM_LABEL_LENGTH, "%d dBm <= RxLev < %d dBm (%u)", -111+v, -110+v, v);
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}
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}
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static void
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ulp_UTRA_CarrierRSSI_fmt(gchar *s, guint32 v)
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{
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if (v == 0) {
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g_snprintf(s, ITEM_LABEL_LENGTH, "RSSI < -100 dBm (0)");
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} else if (v == 76) {
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g_snprintf(s, ITEM_LABEL_LENGTH, "RSSI >= -25 dBm (76)");
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} else if (v > 76) {
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g_snprintf(s, ITEM_LABEL_LENGTH, "Spare (%u)", v);
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} else {
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g_snprintf(s, ITEM_LABEL_LENGTH, "%d dBm <= RSSI < %d dBm (%u)", -101+v, -100+v, v);
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}
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}
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static void
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ulp_PrimaryCCPCH_RSCP_fmt(gchar *s, guint32 v)
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{
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if (v == 0) {
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g_snprintf(s, ITEM_LABEL_LENGTH, "RSCP < -115 dBm (0)");
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} else if (v == 91) {
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g_snprintf(s, ITEM_LABEL_LENGTH, "RSCP >= -25 dBm (91)");
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} else if (v > 91) {
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g_snprintf(s, ITEM_LABEL_LENGTH, "Spare (%u)", v);
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} else {
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g_snprintf(s, ITEM_LABEL_LENGTH, "%d dBm <= RSCP < %d dBm (%u)", -116+v, -115+v, v);
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}
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}
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static void
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ulp_CPICH_Ec_N0_fmt(gchar *s, guint32 v)
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{
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if (v == 0) {
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g_snprintf(s, ITEM_LABEL_LENGTH, "CPICH Ec/N0 < -24 dB (0)");
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} else if (v == 49) {
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g_snprintf(s, ITEM_LABEL_LENGTH, "CPICH Ec/N0 >= 0 dB (49)");
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} else if (v > 49) {
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g_snprintf(s, ITEM_LABEL_LENGTH, "Spare (%u)", v);
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} else {
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g_snprintf(s, ITEM_LABEL_LENGTH, "%.1f dB <= CPICH Ec/N0 < %.1f dB (%u)", -24.5+((float)v/2), -24+((float)v/2), v);
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}
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}
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static void
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ulp_CPICH_RSCP_fmt(gchar *s, guint32 v)
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{
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if (v == 123) {
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g_snprintf(s, ITEM_LABEL_LENGTH, "CPICH RSCP < -120 dBm (123)");
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} else if (v > 123) {
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g_snprintf(s, ITEM_LABEL_LENGTH, "%d dBm <= CPICH RSCP < %d dBm (%u)", -244+v, -243+v, v);
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} else if (v == 91) {
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g_snprintf(s, ITEM_LABEL_LENGTH, "CPICH RSCP >= -25 dBm (91)");
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} else if (v < 91) {
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g_snprintf(s, ITEM_LABEL_LENGTH, "%d dBm < CPICH RSCP <= %d dBm (%u)", -116+v, -115+v, v);
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} else {
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g_snprintf(s, ITEM_LABEL_LENGTH, "Spare (%u)", v);
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}
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}
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static void
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ulp_QoP_horacc_fmt(gchar *s, guint32 v)
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{
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double uncertainty = 10*(pow(1.1, (double)v)-1);
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if (uncertainty < 1000) {
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g_snprintf(s, ITEM_LABEL_LENGTH, "%f m (%u)", uncertainty, v);
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} else {
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g_snprintf(s, ITEM_LABEL_LENGTH, "%f km (%u)", uncertainty/1000, v);
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}
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}
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static void
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ulp_QoP_veracc_fmt(gchar *s, guint32 v)
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{
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double uncertainty = 45*(pow(1.025, (double)v)-1);
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g_snprintf(s, ITEM_LABEL_LENGTH, "%f m (%u)", uncertainty, v);
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}
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static void
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ulp_QoP_delay_fmt(gchar *s, guint32 v)
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{
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g_snprintf(s, ITEM_LABEL_LENGTH, "%g s (%u)", pow(2, (double)v), v);
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}
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static const true_false_string ulp_vertical_dir_val = {
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"Downward",
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"Upward"
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};
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static void
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ulp_RelativeTime_fmt(gchar *s, guint32 v)
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{
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g_snprintf(s, ITEM_LABEL_LENGTH, "%.2f s (%u)", 0.01*v, v);
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}
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static void
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ulp_RSRP_Range_fmt(gchar *s, guint32 v)
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{
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if (v == 0) {
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g_snprintf(s, ITEM_LABEL_LENGTH, "RSRP < -140 dBm (0)");
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} else if (v == 97) {
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g_snprintf(s, ITEM_LABEL_LENGTH, "RSRP >= -44 dBm (97)");
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} else {
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g_snprintf(s, ITEM_LABEL_LENGTH, "%d dBm <= RSRP < %d dBm (%u)", -141+v, -140+v, v);
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}
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}
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static void
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ulp_RSRQ_Range_fmt(gchar *s, guint32 v)
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{
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if (v == 0) {
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g_snprintf(s, ITEM_LABEL_LENGTH, "RSRQ < -19.5dB (0)");
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} else if (v == 64) {
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g_snprintf(s, ITEM_LABEL_LENGTH, "RSRQ >= -3 dB (34)");
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} else {
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g_snprintf(s, ITEM_LABEL_LENGTH, "%.1f dB <= RSRQ < %.1f dB (%u)", -20+((float)v/2), -19.5+((float)v/2), v);
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}
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}
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static void
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ulp_SignalDelta_fmt(gchar *s, guint32 v)
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{
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g_snprintf(s, ITEM_LABEL_LENGTH, "%s dB (%u)", v ? "0.5" : "0", v);
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}
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static void
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ulp_locationAccuracy_fmt(gchar *s, guint32 v)
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{
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g_snprintf(s, ITEM_LABEL_LENGTH, "%.1f m (%u)", 0.1*v, v);
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}
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static void
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ulp_WimaxRTD_fmt(gchar *s, guint32 v)
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{
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g_snprintf(s, ITEM_LABEL_LENGTH, "%.2f us (%u)", 0.01*v, v);
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}
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static void
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ulp_WimaxNMR_rssi_fmt(gchar *s, guint32 v)
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{
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g_snprintf(s, ITEM_LABEL_LENGTH, "%.2f dBm (%u)", -103.75+(0.25*v), v);
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}
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static void
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ulp_UTRAN_gpsReferenceTimeUncertainty_fmt(gchar *s, guint32 v)
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{
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double uncertainty = 0.0022*(pow(1.18, (double)v)-1);
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g_snprintf(s, ITEM_LABEL_LENGTH, "%f us (%u)", uncertainty, v);
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}
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static const value_string ulp_ganss_time_id_vals[] = {
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{ 0, "Galileo"},
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{ 1, "QZSS"},
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{ 2, "GLONASS"},
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{ 3, "BDS"},
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{ 0, NULL},
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};
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static void
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ulp_utran_GANSSTimingOfCell_fmt(gchar *s, guint32 v)
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{
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g_snprintf(s, ITEM_LABEL_LENGTH, "%.2f us (%u)", 0.25*v, v);
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}
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static void
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ulp_Coordinate_latitude_fmt(gchar *s, guint32 v)
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{
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g_snprintf(s, ITEM_LABEL_LENGTH, "%f degrees (%u)",
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|
((float)v/8388607.0)*90, v);
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}
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static void
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|
ulp_Coordinate_longitude_fmt(gchar *s, guint32 v)
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|
{
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|
gint32 longitude = (gint32) v;
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|
|
|
g_snprintf(s, ITEM_LABEL_LENGTH, "%f degrees (%d)",
|
|
|
|
((float)longitude/8388608.0)*180, longitude);
|
|
|
|
}
|
|
|
|
|
2006-05-02 19:44:12 +00:00
|
|
|
/* Include constants */
|
|
|
|
#include "packet-ulp-val.h"
|
|
|
|
|
2015-12-13 19:14:22 +00:00
|
|
|
typedef struct
|
|
|
|
{
|
|
|
|
guint8 notif_enc_type;
|
|
|
|
guint8 ganss_req_gen_data_ganss_id;
|
|
|
|
} ulp_private_data_t;
|
|
|
|
|
|
|
|
static ulp_private_data_t* ulp_get_private_data(asn1_ctx_t *actx)
|
|
|
|
{
|
|
|
|
if (actx->private_data == NULL) {
|
|
|
|
actx->private_data = wmem_new0(wmem_packet_scope(), ulp_private_data_t);
|
|
|
|
}
|
|
|
|
return (ulp_private_data_t*)actx->private_data;
|
|
|
|
}
|
2006-05-30 20:52:43 +00:00
|
|
|
|
2006-05-02 19:44:12 +00:00
|
|
|
#include "packet-ulp-fn.c"
|
|
|
|
|
2006-05-30 20:52:43 +00:00
|
|
|
|
|
|
|
static guint
|
2015-01-25 19:30:13 +00:00
|
|
|
get_ulp_pdu_len(packet_info *pinfo _U_, tvbuff_t *tvb, int offset, void *data _U_)
|
2006-05-30 20:52:43 +00:00
|
|
|
{
|
2014-03-13 13:46:42 +00:00
|
|
|
/* PDU length = Message length */
|
|
|
|
return tvb_get_ntohs(tvb,offset);
|
2006-05-30 20:52:43 +00:00
|
|
|
}
|
|
|
|
|
2013-11-09 17:46:28 +00:00
|
|
|
static int
|
|
|
|
dissect_ulp_tcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data)
|
2006-05-30 20:52:43 +00:00
|
|
|
{
|
2014-03-13 13:46:42 +00:00
|
|
|
tcp_dissect_pdus(tvb, pinfo, tree, ulp_desegment, ULP_HEADER_SIZE,
|
|
|
|
get_ulp_pdu_len, dissect_ULP_PDU_PDU, data);
|
2014-06-21 00:36:59 +00:00
|
|
|
return tvb_captured_length(tvb);
|
2006-05-30 20:52:43 +00:00
|
|
|
}
|
2006-05-13 12:06:56 +00:00
|
|
|
|
2007-05-24 13:30:45 +00:00
|
|
|
void proto_reg_handoff_ulp(void);
|
2006-05-02 19:44:12 +00:00
|
|
|
|
|
|
|
/*--- proto_register_ulp -------------------------------------------*/
|
|
|
|
void proto_register_ulp(void) {
|
|
|
|
|
|
|
|
/* List of fields */
|
|
|
|
static hf_register_info hf[] = {
|
|
|
|
|
|
|
|
#include "packet-ulp-hfarr.c"
|
2015-03-08 20:27:27 +00:00
|
|
|
{ &hf_ulp_mobile_directory_number,
|
|
|
|
{ "Mobile Directory Number", "ulp.mobile_directory_number",
|
|
|
|
FT_STRING, BASE_NONE, NULL, 0,
|
2015-12-13 19:14:22 +00:00
|
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_ulp_ganssTimeModels_bit0,
|
|
|
|
{ "GPS", "ulp.ganssTimeModels.gps",
|
|
|
|
FT_BOOLEAN, 16, TFS(&tfs_yes_no), 0x8000,
|
|
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_ulp_ganssTimeModels_bit1,
|
|
|
|
{ "Galileo", "ulp.ganssTimeModels.galileo",
|
|
|
|
FT_BOOLEAN, 16, TFS(&tfs_yes_no), 0x4000,
|
|
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_ulp_ganssTimeModels_bit2,
|
|
|
|
{ "QZSS", "ulp.ganssTimeModels.qzss",
|
|
|
|
FT_BOOLEAN, 16, TFS(&tfs_yes_no), 0x2000,
|
|
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_ulp_ganssTimeModels_bit3,
|
|
|
|
{ "GLONASS", "ulp.ganssTimeModels.glonass",
|
|
|
|
FT_BOOLEAN, 16, TFS(&tfs_yes_no), 0x1000,
|
|
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_ulp_ganssTimeModels_bit4,
|
|
|
|
{ "BDS", "ulp.ganssTimeModels.bds",
|
|
|
|
FT_BOOLEAN, 16, TFS(&tfs_yes_no), 0x0800,
|
|
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_ulp_ganssTimeModels_spare,
|
|
|
|
{ "Spare", "ulp.ganssTimeModels.spare",
|
|
|
|
FT_UINT16, BASE_HEX, NULL, 0x07ff,
|
|
|
|
NULL, HFILL }},
|
2006-05-02 19:44:12 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
/* List of subtrees */
|
|
|
|
static gint *ett[] = {
|
2014-03-13 13:46:42 +00:00
|
|
|
&ett_ulp,
|
2015-03-08 20:27:27 +00:00
|
|
|
&ett_ulp_setid,
|
|
|
|
&ett_ulp_thirdPartyId,
|
2015-12-13 19:14:22 +00:00
|
|
|
&ett_ulp_ganssTimeModels,
|
2006-05-02 19:44:12 +00:00
|
|
|
#include "packet-ulp-ettarr.c"
|
|
|
|
};
|
|
|
|
|
2006-05-13 12:06:56 +00:00
|
|
|
module_t *ulp_module;
|
|
|
|
|
2006-05-02 19:44:12 +00:00
|
|
|
|
|
|
|
/* Register protocol */
|
|
|
|
proto_ulp = proto_register_protocol(PNAME, PSNAME, PFNAME);
|
2015-12-09 02:06:20 +00:00
|
|
|
register_dissector("ulp", dissect_ulp_tcp, proto_ulp);
|
2007-08-13 16:44:35 +00:00
|
|
|
|
2006-05-02 19:44:12 +00:00
|
|
|
/* Register fields and subtrees */
|
|
|
|
proto_register_field_array(proto_ulp, hf, array_length(hf));
|
|
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
|
|
|
2006-05-13 12:06:56 +00:00
|
|
|
ulp_module = prefs_register_protocol(proto_ulp,proto_reg_handoff_ulp);
|
2006-05-31 20:22:51 +00:00
|
|
|
|
|
|
|
prefs_register_bool_preference(ulp_module, "desegment_ulp_messages",
|
2014-03-13 13:46:42 +00:00
|
|
|
"Reassemble ULP messages spanning multiple TCP segments",
|
|
|
|
"Whether the ULP dissector should reassemble messages spanning multiple TCP segments."
|
|
|
|
" To use this option, you must also enable \"Allow subdissectors to reassemble TCP streams\" in the TCP protocol settings.",
|
|
|
|
&ulp_desegment);
|
2006-05-31 20:22:51 +00:00
|
|
|
|
2008-11-04 22:01:35 +00:00
|
|
|
/* Register a configuration option for port */
|
|
|
|
prefs_register_uint_preference(ulp_module, "tcp.port",
|
|
|
|
"ULP TCP Port",
|
2014-03-13 13:46:42 +00:00
|
|
|
"Set the TCP port for ULP messages (IANA registered port is 7275)",
|
2008-11-04 22:01:35 +00:00
|
|
|
10,
|
2014-03-13 13:46:42 +00:00
|
|
|
&gbl_ulp_tcp_port);
|
|
|
|
prefs_register_uint_preference(ulp_module, "udp.port",
|
|
|
|
"ULP UDP Port",
|
|
|
|
"Set the UDP port for ULP messages (IANA registered port is 7275)",
|
|
|
|
10,
|
|
|
|
&gbl_ulp_udp_port);
|
2010-12-06 19:48:05 +00:00
|
|
|
|
2006-05-02 19:44:12 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2007-05-24 13:30:45 +00:00
|
|
|
/*--- proto_reg_handoff_ulp ---------------------------------------*/
|
|
|
|
void
|
|
|
|
proto_reg_handoff_ulp(void)
|
|
|
|
{
|
2014-03-13 13:46:42 +00:00
|
|
|
static gboolean initialized = FALSE;
|
|
|
|
static dissector_handle_t ulp_tcp_handle, ulp_udp_handle;
|
|
|
|
static guint local_ulp_tcp_port, local_ulp_udp_port;
|
|
|
|
|
|
|
|
if (!initialized) {
|
|
|
|
ulp_tcp_handle = find_dissector("ulp");
|
|
|
|
dissector_add_string("media_type","application/oma-supl-ulp", ulp_tcp_handle);
|
2015-12-11 18:28:22 +00:00
|
|
|
dissector_add_string("media_type","application/vnd.omaloc-supl-init", ulp_tcp_handle);
|
2015-12-09 02:06:20 +00:00
|
|
|
ulp_udp_handle = create_dissector_handle(dissect_ULP_PDU_PDU, proto_ulp);
|
2016-03-16 13:02:52 +00:00
|
|
|
rrlp_handle = find_dissector_add_dependency("rrlp", proto_ulp);
|
|
|
|
lpp_handle = find_dissector_add_dependency("lpp", proto_ulp);
|
2014-03-13 13:46:42 +00:00
|
|
|
initialized = TRUE;
|
|
|
|
} else {
|
|
|
|
dissector_delete_uint("tcp.port", local_ulp_tcp_port, ulp_tcp_handle);
|
|
|
|
dissector_delete_uint("udp.port", local_ulp_udp_port, ulp_udp_handle);
|
|
|
|
}
|
|
|
|
|
|
|
|
local_ulp_tcp_port = gbl_ulp_tcp_port;
|
|
|
|
dissector_add_uint("tcp.port", gbl_ulp_tcp_port, ulp_tcp_handle);
|
|
|
|
local_ulp_udp_port = gbl_ulp_udp_port;
|
|
|
|
dissector_add_uint("udp.port", gbl_ulp_udp_port, ulp_udp_handle);
|
2007-05-24 13:30:45 +00:00
|
|
|
}
|
|
|
|
|