forked from osmocom/wireshark
4601 lines
160 KiB
C
4601 lines
160 KiB
C
/* packet-gtp.c
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*
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* Routines for GTP dissection
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* Copyright 2001, Michal Melerowicz <michal.melerowicz@nokia.com>
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* Nicolas Balkota <balkota@mac.com>
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*
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* $Id: packet-gtp.c,v 1.74 2004/03/30 18:14:22 guy Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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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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* 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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#include <string.h>
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#include <glib.h>
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#include <epan/packet.h>
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#include "prefs.h"
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#include "packet-gtp.h"
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#include "packet-ipv6.h"
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#include "packet-ppp.h"
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static dissector_table_t ppp_subdissector_table;
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#define GTPv0_PORT 3386
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#define GTPv1C_PORT 2123 /* 3G Control PDU */
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#define GTPv1U_PORT 2152 /* 3G T-PDU */
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#define GTPv0_HDR_LENGTH 20
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#define GTPv1_HDR_LENGTH 12
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#define GTP_PRIME_HDR_LENGTH 6
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/* to check compliance with ETSI */
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#define GTP_MANDATORY 1
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#define GTP_OPTIONAL 2
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#define GTP_CONDITIONAL 4
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static int g_gtpv0_port = GTPv0_PORT;
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static int g_gtpv1c_port = GTPv1C_PORT;
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static int g_gtpv1u_port = GTPv1U_PORT;
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void proto_reg_handoff_gtp(void);
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static int proto_gtp = -1;
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static int hf_gtp_apn = -1;
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static int hf_gtp_cause = -1;
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static int hf_gtp_chrg_char = -1;
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static int hf_gtp_chrg_char_s = -1;
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static int hf_gtp_chrg_char_n = -1;
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static int hf_gtp_chrg_char_p = -1;
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static int hf_gtp_chrg_char_f = -1;
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static int hf_gtp_chrg_char_h = -1;
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static int hf_gtp_chrg_char_r = -1;
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static int hf_gtp_chrg_id = -1;
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static int hf_gtp_chrg_ipv4 = -1;
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static int hf_gtp_chrg_ipv6 = -1;
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static int hf_gtp_ext_flow_label = -1;
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static int hf_gtp_ext_id = -1;
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static int hf_gtp_ext_val = -1;
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static int hf_gtp_flags = -1;
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static int hf_gtp_flags_ver = -1;
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static int hf_gtp_flags_pt = -1;
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static int hf_gtp_flags_spare1 = -1;
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static int hf_gtp_flags_snn = -1;
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static int hf_gtp_flags_spare2 = -1;
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static int hf_gtp_flags_e = -1;
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static int hf_gtp_flags_s = -1;
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static int hf_gtp_flags_pn = -1;
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static int hf_gtp_flow_ii = -1;
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static int hf_gtp_flow_label = -1;
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static int hf_gtp_flow_sig = -1;
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static int hf_gtp_gsn_addr_len = -1;
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static int hf_gtp_gsn_addr_type = -1;
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static int hf_gtp_gsn_ipv4 = -1;
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static int hf_gtp_gsn_ipv6 = -1;
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static int hf_gtp_imsi = -1;
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static int hf_gtp_length = -1;
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static int hf_gtp_map_cause = -1;
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static int hf_gtp_message_type = -1;
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static int hf_gtp_ms_reason = -1;
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static int hf_gtp_ms_valid = -1;
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static int hf_gtp_msisdn = -1;
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static int hf_gtp_next = -1;
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static int hf_gtp_npdu_number = -1;
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static int hf_gtp_node_ipv4 = -1;
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static int hf_gtp_node_ipv6 = -1;
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static int hf_gtp_nsapi = -1;
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static int hf_gtp_ptmsi = -1;
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static int hf_gtp_ptmsi_sig = -1;
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static int hf_gtp_qos_spare1 = -1;
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static int hf_gtp_qos_delay = -1;
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static int hf_gtp_qos_mean = -1;
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static int hf_gtp_qos_peak = -1;
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static int hf_gtp_qos_spare2 = -1;
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static int hf_gtp_qos_precedence = -1;
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static int hf_gtp_qos_spare3 = -1;
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static int hf_gtp_qos_reliability = -1;
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static int hf_gtp_qos_al_ret_priority = -1;
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static int hf_gtp_qos_traf_class = -1;
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static int hf_gtp_qos_del_order = -1;
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static int hf_gtp_qos_del_err_sdu = -1;
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static int hf_gtp_qos_max_sdu_size = -1;
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static int hf_gtp_qos_max_ul = -1;
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static int hf_gtp_qos_max_dl = -1;
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static int hf_gtp_qos_res_ber = -1;
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static int hf_gtp_qos_sdu_err_ratio = -1;
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static int hf_gtp_qos_trans_delay = -1;
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static int hf_gtp_qos_traf_handl_prio = -1;
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static int hf_gtp_qos_guar_ul = -1;
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static int hf_gtp_qos_guar_dl = -1;
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static int hf_gtp_pkt_flow_id = -1;
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static int hf_gtp_rab_gtpu_dn = -1;
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static int hf_gtp_rab_gtpu_up = -1;
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static int hf_gtp_rab_pdu_dn = -1;
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static int hf_gtp_rab_pdu_up = -1;
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static int hf_gtp_rai_mcc = -1;
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static int hf_gtp_rai_mnc = -1;
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static int hf_gtp_rai_rac = -1;
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static int hf_gtp_rai_lac = -1;
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static int hf_gtp_ranap_cause = -1;
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static int hf_gtp_recovery = -1;
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static int hf_gtp_reorder = -1;
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static int hf_gtp_rnc_ipv4 = -1;
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static int hf_gtp_rnc_ipv6 = -1;
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static int hf_gtp_rp = -1;
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static int hf_gtp_rp_nsapi = -1;
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static int hf_gtp_rp_sms = -1;
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static int hf_gtp_rp_spare = -1;
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static int hf_gtp_sel_mode = -1;
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static int hf_gtp_seq_number = -1;
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static int hf_gtp_sndcp_number = -1;
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static int hf_gtp_tear_ind = -1;
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static int hf_gtp_teid = -1;
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static int hf_gtp_teid_cp = -1;
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static int hf_gtp_teid_data = -1;
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static int hf_gtp_teid_ii = -1;
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static int hf_gtp_tft_code = -1;
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static int hf_gtp_tft_spare = -1;
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static int hf_gtp_tft_number = -1;
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static int hf_gtp_tft_eval = -1;
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static int hf_gtp_tid = -1;
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static int hf_gtp_tlli = -1;
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static int hf_gtp_tr_comm = -1;
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static int hf_gtp_trace_ref = -1;
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static int hf_gtp_trace_type = -1;
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static int hf_gtp_unknown = -1;
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static int hf_gtp_user_addr_pdp_org = -1;
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static int hf_gtp_user_addr_pdp_type = -1;
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static int hf_gtp_user_ipv4 = -1;
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static int hf_gtp_user_ipv6 = -1;
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/* Initialize the subtree pointers */
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static gint ett_gtp = -1;
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static gint ett_gtp_flags = -1;
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static gint ett_gtp_ext = -1;
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static gint ett_gtp_rai = -1;
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static gint ett_gtp_qos = -1;
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static gint ett_gtp_auth_tri = -1;
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static gint ett_gtp_flow_ii = -1;
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static gint ett_gtp_rab_cntxt = -1;
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static gint ett_gtp_rp = -1;
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static gint ett_gtp_pkt_flow_id = -1;
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static gint ett_gtp_chrg_char = -1;
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static gint ett_gtp_user = -1;
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static gint ett_gtp_mm = -1;
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static gint ett_gtp_trip = -1;
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static gint ett_gtp_quint = -1;
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static gint ett_gtp_pdp = -1;
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static gint ett_gtp_apn = -1;
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static gint ett_gtp_proto = -1;
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static gint ett_gtp_gsn_addr = -1;
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static gint ett_gtp_tft = -1;
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static gint ett_gtp_tft_pf = -1;
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static gint ett_gtp_tft_flags = -1;
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static gint ett_gtp_rab_setup = -1;
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static gint ett_gtp_hdr_list = -1;
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static gint ett_gtp_chrg_addr = -1;
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static gint ett_gtp_node_addr = -1;
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static gint ett_gtp_rel_pack = -1;
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static gint ett_gtp_can_pack = -1;
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static gint ett_gtp_data_resp = -1;
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static gint ett_gtp_priv_ext = -1;
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static gboolean gtp_tpdu = TRUE;
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static gboolean gtp_etsi_order = FALSE;
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static int gtpv0_port = 0;
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static int gtpv1c_port = 0;
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static int gtpv1u_port = 0;
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/* Definition of flags masks */
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#define GTP_VER_MASK 0xE0
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static const value_string ver_types[] = {
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{ 0, "GTP release 97/98 version" },
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{ 1, "GTP release 99 version" },
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{ 2, "None" },
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{ 3, "None" },
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{ 4, "None" },
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{ 5, "None" },
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{ 6, "None" },
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{ 7, "None" },
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{ 0, NULL }
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};
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#define GTP_PT_MASK 0x10
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#define GTP_SPARE1_MASK 0x0E
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#define GTP_SPARE2_MASK 0x08
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#define GTP_E_MASK 0x04
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#define GTP_S_MASK 0x02
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#define GTP_SNN_MASK 0x01
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#define GTP_PN_MASK 0x01
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/* Definition of 3G charging characteristics masks */
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#define GTP_MASK_CHRG_CHAR_S 0xF000
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#define GTP_MASK_CHRG_CHAR_N 0x0800
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#define GTP_MASK_CHRG_CHAR_P 0x0400
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#define GTP_MASK_CHRG_CHAR_F 0x0200
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#define GTP_MASK_CHRG_CHAR_H 0x0100
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#define GTP_MASK_CHRG_CHAR_R 0x00FF
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/* Traffic Flow Templates mask */
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#define GTPv1_TFT_CODE_MASK 0xE0
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#define GTPv1_TFT_SPARE_MASK 0x10
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#define GTPv1_TFT_NUMBER_MASK 0x0F
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/* Definition of GSN Address masks */
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#define GTP_EXT_GSN_ADDR_TYPE_MASK 0xC0
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#define GTP_EXT_GSN_ADDR_LEN_MASK 0x3F
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/* Definition of QoS masks */
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#define GTP_EXT_QOS_SPARE1_MASK 0xC0
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#define GTP_EXT_QOS_DELAY_MASK 0x38
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#define GTP_EXT_QOS_RELIABILITY_MASK 0x07
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#define GTP_EXT_QOS_PEAK_MASK 0xF0
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#define GTP_EXT_QOS_SPARE2_MASK 0x08
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#define GTP_EXT_QOS_PRECEDENCE_MASK 0x07
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#define GTP_EXT_QOS_SPARE3_MASK 0xE0
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#define GTP_EXT_QOS_MEAN_MASK 0x1F
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#define GTP_EXT_QOS_TRAF_CLASS_MASK 0xE0
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#define GTP_EXT_QOS_DEL_ORDER_MASK 0x18
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#define GTP_EXT_QOS_DEL_ERR_SDU_MASK 0x07
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#define GTP_EXT_QOS_RES_BER_MASK 0xF0
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#define GTP_EXT_QOS_SDU_ERR_RATIO_MASK 0x0F
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#define GTP_EXT_QOS_TRANS_DELAY_MASK 0xFC
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#define GTP_EXT_QOS_TRAF_HANDL_PRIORITY_MASK 0x03
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/* Definition of Radio Priority's masks */
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#define GTPv1_EXT_RP_NSAPI_MASK 0xF0
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#define GTPv1_EXT_RP_SPARE_MASK 0x08
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#define GTPv1_EXT_RP_MASK 0x07
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/* definitions of GTP messages */
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#define GTP_MSG_UNKNOWN 0x00
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#define GTP_MSG_ECHO_REQ 0x01
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#define GTP_MSG_ECHO_RESP 0x02
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#define GTP_MSG_VER_NOT_SUPP 0x03
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#define GTP_MSG_NODE_ALIVE_REQ 0x04
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#define GTP_MSG_NODE_ALIVE_RESP 0x05
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#define GTP_MSG_REDIR_REQ 0x06
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#define GTP_MSG_REDIR_RESP 0x07
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#define GTP_MSG_CREATE_PDP_REQ 0x10
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#define GTP_MSG_CREATE_PDP_RESP 0x11
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#define GTP_MSG_UPDATE_PDP_REQ 0x12
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#define GTP_MSG_UPDATE_PDP_RESP 0x13
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#define GTP_MSG_DELETE_PDP_REQ 0x14
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#define GTP_MSG_DELETE_PDP_RESP 0x15
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#define GTP_MSG_CREATE_AA_PDP_REQ 0x16 /* 2G */
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#define GTP_MSG_CREATE_AA_PDP_RESP 0x17 /* 2G */
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#define GTP_MSG_DELETE_AA_PDP_REQ 0x18 /* 2G */
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#define GTP_MSG_DELETE_AA_PDP_RESP 0x19 /* 2G */
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#define GTP_MSG_ERR_IND 0x1A
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#define GTP_MSG_PDU_NOTIFY_REQ 0x1B
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#define GTP_MSG_PDU_NOTIFY_RESP 0x1C
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#define GTP_MSG_PDU_NOTIFY_REJ_REQ 0x1D
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#define GTP_MSG_PDU_NOTIFY_REJ_RESP 0x1E
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#define GTP_MSG_SUPP_EXT_HDR 0x1F
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#define GTP_MSG_SEND_ROUT_INFO_REQ 0x20
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#define GTP_MSG_SEND_ROUT_INFO_RESP 0x21
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#define GTP_MSG_FAIL_REP_REQ 0x22
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#define GTP_MSG_FAIL_REP_RESP 0x23
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#define GTP_MSG_MS_PRESENT_REQ 0x24
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#define GTP_MSG_MS_PRESENT_RESP 0x25
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#define GTP_MSG_IDENT_REQ 0x30
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#define GTP_MSG_IDENT_RESP 0x31
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#define GTP_MSG_SGSN_CNTXT_REQ 0x32
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#define GTP_MSG_SGSN_CNTXT_RESP 0x33
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#define GTP_MSG_SGSN_CNTXT_ACK 0x34
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#define GTP_MSG_FORW_RELOC_REQ 0x35
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#define GTP_MSG_FORW_RELOC_RESP 0x36
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#define GTP_MSG_FORW_RELOC_COMP 0x37
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#define GTP_MSG_RELOC_CANCEL_REQ 0x38
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#define GTP_MSG_RELOC_CANCEL_RESP 0x39
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#define GTP_MSG_FORW_SRNS_CNTXT 0x3A
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#define GTP_MSG_FORW_RELOC_ACK 0x3B
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#define GTP_MSG_FORW_SRNS_CNTXT_ACK 0x3C
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#define GTP_MSG_DATA_TRANSF_REQ 0xF0
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#define GTP_MSG_DATA_TRANSF_RESP 0xF1
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#define GTP_MSG_TPDU 0xFF
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static const value_string message_type[] = {
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{ GTP_MSG_UNKNOWN, "For future use" },
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{ GTP_MSG_ECHO_REQ, "Echo request" },
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{ GTP_MSG_ECHO_RESP, "Echo response" },
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{ GTP_MSG_VER_NOT_SUPP, "Version not supported" },
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{ GTP_MSG_NODE_ALIVE_REQ, "Node alive request" },
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{ GTP_MSG_NODE_ALIVE_RESP, "Node alive response" },
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{ GTP_MSG_REDIR_REQ, "Redirection request" },
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{ GTP_MSG_REDIR_RESP, "Redirection response" },
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{ GTP_MSG_CREATE_PDP_REQ, "Create PDP context request" },
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{ GTP_MSG_CREATE_PDP_RESP, "Create PDP context response" },
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{ GTP_MSG_UPDATE_PDP_REQ, "Update PDP context request" },
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{ GTP_MSG_UPDATE_PDP_RESP, "Update PDP context response" },
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{ GTP_MSG_DELETE_PDP_REQ, "Delete PDP context request" },
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{ GTP_MSG_DELETE_PDP_RESP, "Delete PDP context response" },
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{ GTP_MSG_CREATE_AA_PDP_REQ, "Create AA PDP Context Request" },
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{ GTP_MSG_CREATE_AA_PDP_RESP, "Create AA PDP Context Response" },
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{ GTP_MSG_DELETE_AA_PDP_REQ, "Delete AA PDP Context Request" },
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{ GTP_MSG_DELETE_AA_PDP_RESP, "Delete AA PDP Context Response" },
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{ GTP_MSG_ERR_IND, "Error indication" },
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{ GTP_MSG_PDU_NOTIFY_REQ, "PDU notification request" },
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{ GTP_MSG_PDU_NOTIFY_RESP, "PDU notification response" },
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{ GTP_MSG_PDU_NOTIFY_REJ_REQ, "PDU notification reject request" },
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{ GTP_MSG_PDU_NOTIFY_REJ_RESP, "PDU notification reject response" },
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{ GTP_MSG_SUPP_EXT_HDR, "Supported extension header notification" },
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{ GTP_MSG_SEND_ROUT_INFO_REQ, "Send routing information for GPRS request" },
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{ GTP_MSG_SEND_ROUT_INFO_RESP, "Send routing information for GPRS response" },
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{ GTP_MSG_FAIL_REP_REQ, "Failure report request" },
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{ GTP_MSG_FAIL_REP_RESP, "Failure report response" },
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{ GTP_MSG_MS_PRESENT_REQ, "Note MS GPRS present request" },
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{ GTP_MSG_MS_PRESENT_RESP, "Note MS GPRS present response" },
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{ GTP_MSG_IDENT_REQ, "Identification request" },
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{ GTP_MSG_IDENT_RESP, "Identification response" },
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{ GTP_MSG_SGSN_CNTXT_REQ, "SGSN context request" },
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{ GTP_MSG_SGSN_CNTXT_RESP, "SGSN context response" },
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{ GTP_MSG_SGSN_CNTXT_ACK, "SGSN context acknowledgement" },
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{ GTP_MSG_FORW_RELOC_REQ, "Forward relocation request" },
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{ GTP_MSG_FORW_RELOC_RESP, "Forward relocation response" },
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{ GTP_MSG_FORW_RELOC_COMP, "Forward relocation complete" },
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{ GTP_MSG_RELOC_CANCEL_REQ, "Relocation cancel request" },
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{ GTP_MSG_RELOC_CANCEL_RESP, "Relocation cancel response" },
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{ GTP_MSG_FORW_SRNS_CNTXT, "Forward SRNS context" },
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{ GTP_MSG_FORW_RELOC_ACK, "Forward relocation complete acknowledge" },
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{ GTP_MSG_FORW_SRNS_CNTXT_ACK, "Forward SRNS context acknowledge" },
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{ GTP_MSG_DATA_TRANSF_REQ, "Data record transfer request" },
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{ GTP_MSG_DATA_TRANSF_RESP, "Data record transfer response" },
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{ GTP_MSG_TPDU, "T-PDU" },
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{ 0, NULL }
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};
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/* definitions of fields in extension header */
|
|
#define GTP_EXT_CAUSE 0x01
|
|
#define GTP_EXT_IMSI 0x02
|
|
#define GTP_EXT_RAI 0x03
|
|
#define GTP_EXT_TLLI 0x04
|
|
#define GTP_EXT_PTMSI 0x05
|
|
#define GTP_EXT_QOS_GPRS 0x06
|
|
#define GTP_EXT_REORDER 0x08
|
|
#define GTP_EXT_AUTH_TRI 0x09
|
|
#define GTP_EXT_MAP_CAUSE 0x0B
|
|
#define GTP_EXT_PTMSI_SIG 0x0C
|
|
#define GTP_EXT_MS_VALID 0x0D
|
|
#define GTP_EXT_RECOVER 0x0E
|
|
#define GTP_EXT_SEL_MODE 0x0F
|
|
|
|
#define GTP_EXT_16 0x10
|
|
#define GTP_EXT_FLOW_LABEL 0x10
|
|
#define GTP_EXT_TEID 0x10 /* 0xFF10 3G */
|
|
|
|
#define GTP_EXT_17 0x11
|
|
#define GTP_EXT_FLOW_SIG 0x11
|
|
#define GTP_EXT_TEID_CP 0x11 /* 0xFF11 3G */
|
|
|
|
#define GTP_EXT_18 0x12
|
|
#define GTP_EXT_FLOW_II 0x12
|
|
#define GTP_EXT_TEID_II 0x12 /* 0xFF12 3G*/
|
|
|
|
#define GTP_EXT_19 0x13
|
|
#define GTP_EXT_MS_REASON 0x13 /* same as 0x1D GTPv1_EXT_MS_REASON */
|
|
#define GTP_EXT_TEAR_IND 0x13 /* 0xFF13 3G*/
|
|
|
|
#define GTP_EXT_NSAPI 0x14 /* 3G */
|
|
#define GTP_EXT_RANAP_CAUSE 0x15 /* 3G */
|
|
#define GTP_EXT_RAB_CNTXT 0x16 /* 3G */
|
|
#define GTP_EXT_RP_SMS 0x17 /* 3G */
|
|
#define GTP_EXT_RP 0x18 /* 3G */
|
|
#define GTP_EXT_PKT_FLOW_ID 0x19 /* 3G */
|
|
#define GTP_EXT_CHRG_CHAR 0x1A /* 3G */
|
|
#define GTP_EXT_TRACE_REF 0x1B /* 3G */
|
|
#define GTP_EXT_TRACE_TYPE 0x1C /* 3G */
|
|
#define GTPv1_EXT_MS_REASON 0x1D /* 3G */
|
|
#define GTP_EXT_TR_COMM 0x7E /* charging */
|
|
#define GTP_EXT_CHRG_ID 0x7F
|
|
#define GTP_EXT_USER_ADDR 0x80
|
|
#define GTP_EXT_MM_CNTXT 0x81
|
|
#define GTP_EXT_PDP_CNTXT 0x82
|
|
#define GTP_EXT_APN 0x83
|
|
#define GTP_EXT_PROTO_CONF 0x84
|
|
#define GTP_EXT_GSN_ADDR 0x85
|
|
#define GTP_EXT_MSISDN 0x86
|
|
#define GTP_EXT_QOS_UMTS 0x87 /* 3G */
|
|
#define GTP_EXT_AUTH_QUI 0x88 /* 3G */
|
|
#define GTP_EXT_TFT 0x89 /* 3G */
|
|
#define GTP_EXT_TARGET_ID 0x8A /* 3G */
|
|
#define GTP_EXT_UTRAN_CONT 0x8B /* 3G */
|
|
#define GTP_EXT_RAB_SETUP 0x8C /* 3G */
|
|
#define GTP_EXT_HDR_LIST 0x8D /* 3G */
|
|
#define GTP_EXT_TRIGGER_ID 0x8E /* 3G */
|
|
#define GTP_EXT_OMC_ID 0x8F /* 3G */
|
|
#define GTP_EXT_C1 0xC1
|
|
#define GTP_EXT_C2 0xC2
|
|
#define GTP_EXT_REL_PACK 0xF9 /* charging */
|
|
#define GTP_EXT_CAN_PACK 0xFA /* charging */
|
|
#define GTP_EXT_CHRG_ADDR 0xFB
|
|
#define GTP_EXT_DATA_REQ 0xFC /* charging */
|
|
#define GTP_EXT_DATA_RESP 0xFD /* charging */
|
|
#define GTP_EXT_NODE_ADDR 0xFE /* charging */
|
|
#define GTP_EXT_PRIV_EXT 0xFF
|
|
|
|
static const value_string gtp_val[] = {
|
|
{ GTP_EXT_CAUSE, "Cause of operation" },
|
|
{ GTP_EXT_IMSI, "IMSI" },
|
|
{ GTP_EXT_RAI, "Routing Area Identity" },
|
|
{ GTP_EXT_TLLI, "Temporary Logical Link Identity" },
|
|
{ GTP_EXT_PTMSI, "Packet TMSI" },
|
|
{ GTP_EXT_QOS_GPRS, "Quality of Service" },
|
|
{ GTP_EXT_REORDER, "Reorder required" },
|
|
{ GTP_EXT_AUTH_TRI, "Authentication triplets" },
|
|
{ GTP_EXT_MAP_CAUSE, "MAP cause" },
|
|
{ GTP_EXT_PTMSI_SIG, "P-TMSI signature" },
|
|
{ GTP_EXT_MS_VALID, "MS validated" },
|
|
{ GTP_EXT_RECOVER, "Recovery" },
|
|
{ GTP_EXT_SEL_MODE, "Selection mode" },
|
|
|
|
{ GTP_EXT_16, "Flow label data I" },
|
|
{ GTP_EXT_FLOW_LABEL, "Flow label data I" },
|
|
{ GTP_EXT_TEID, "Tunnel Endpoint Identifier Data I" }, /* 3G */
|
|
|
|
{ GTP_EXT_17, "Flow label signalling" },
|
|
{ GTP_EXT_FLOW_SIG, "Flow label signalling" },
|
|
{ GTP_EXT_TEID_CP, "Tunnel Endpoint Identifier Data Control Plane" }, /* 3G */
|
|
|
|
{ GTP_EXT_18, "Flow label data II" },
|
|
{ GTP_EXT_FLOW_II, "Flow label data II" },
|
|
{ GTP_EXT_TEID_II, "Tunnel Endpoint Identifier Data II" }, /* 3G */
|
|
|
|
{ GTP_EXT_19, "MS not reachable reason" },
|
|
{ GTP_EXT_MS_REASON, "MS not reachable reason" },
|
|
{ GTP_EXT_TEAR_IND, "Teardown ID" }, /* 3G */
|
|
|
|
{ GTP_EXT_NSAPI, "NSAPI" }, /* 3G */
|
|
{ GTP_EXT_RANAP_CAUSE, "RANAP cause" }, /* 3G */
|
|
{ GTP_EXT_RAB_CNTXT, "RAB context" }, /* 3G */
|
|
{ GTP_EXT_RP_SMS, "Radio Priority for MO SMS" }, /* 3G */
|
|
{ GTP_EXT_RP, "Radio Priority" }, /* 3G */
|
|
{ GTP_EXT_PKT_FLOW_ID, "Packet Flow ID" }, /* 3G */
|
|
{ GTP_EXT_CHRG_CHAR, "Charging characteristics" }, /* 3G */
|
|
{ GTP_EXT_TRACE_REF, "Trace references" }, /* 3G */
|
|
{ GTP_EXT_TRACE_TYPE, "Trace type" }, /* 3G */
|
|
{ GTPv1_EXT_MS_REASON, "MS not reachable reason" }, /* 3G */
|
|
{ GTP_EXT_TR_COMM, "Packet transfer command" }, /* charging */
|
|
{ GTP_EXT_CHRG_ID, "Charging ID" },
|
|
{ GTP_EXT_USER_ADDR, "End user address" },
|
|
{ GTP_EXT_MM_CNTXT, "MM context" },
|
|
{ GTP_EXT_PDP_CNTXT, "PDP context" },
|
|
{ GTP_EXT_APN, "Access Point Name" },
|
|
{ GTP_EXT_PROTO_CONF, "Protocol configuration options" },
|
|
{ GTP_EXT_GSN_ADDR, "GSN address" },
|
|
{ GTP_EXT_MSISDN, "MS international PSTN/ISDN number" },
|
|
{ GTP_EXT_QOS_UMTS, "Quality of service (UMTS)" }, /* 3G */
|
|
{ GTP_EXT_AUTH_QUI, "Authentication quintuplets" }, /* 3G */
|
|
{ GTP_EXT_TFT, "Traffic Flow Template (TFT)" }, /* 3G */
|
|
{ GTP_EXT_TARGET_ID, "Target (RNC) identification" }, /* 3G */
|
|
{ GTP_EXT_UTRAN_CONT, "UTRAN transparent field" }, /* 3G */
|
|
{ GTP_EXT_RAB_SETUP, "RAB setup information" }, /* 3G */
|
|
{ GTP_EXT_HDR_LIST, "Extension Header Types List" }, /* 3G */
|
|
{ GTP_EXT_TRIGGER_ID, "Trigger Id" }, /* 3G */
|
|
{ GTP_EXT_OMC_ID, "OMC Identity" }, /* 3G */
|
|
{ GTP_EXT_REL_PACK, "Sequence numbers of released packets IE" }, /* charging */
|
|
{ GTP_EXT_CAN_PACK, "Sequence numbers of canceled packets IE" }, /* charging */
|
|
{ GTP_EXT_CHRG_ADDR, "Charging Gateway address" },
|
|
{ GTP_EXT_DATA_REQ, "Data record packet" }, /* charging */
|
|
{ GTP_EXT_DATA_RESP, "Requests responded" }, /* charging */
|
|
{ GTP_EXT_NODE_ADDR, "Address of recommended node" }, /* charging */
|
|
{ GTP_EXT_PRIV_EXT, "Private Extension" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
/* GPRS: 9.60 v7.6.0, page 37
|
|
* UMTS: 29.060 v4.0, page 45
|
|
*/
|
|
static const value_string cause_type[] = {
|
|
{ 0, "Request IMSI" },
|
|
{ 1, "Request IMEI" },
|
|
{ 2, "Request IMSI and IMEI" },
|
|
{ 3, "No identity needed" },
|
|
{ 4, "MS refuses" },
|
|
{ 5, "MS is not GPRS responding" },
|
|
{ 59, "System failure" }, /* charging */
|
|
{ 60, "The transmit buffers are becoming full" }, /* charging */
|
|
{ 61, "The receive buffers are becoming full" }, /* charging */
|
|
{ 62, "Another node is about to go down" }, /* charging */
|
|
{ 63, "This node is about to go down" }, /* charging */
|
|
{ 128, "Request accepted" },
|
|
{ 192, "Non-existent" },
|
|
{ 193, "Invalid message format" },
|
|
{ 194, "IMSI not known" },
|
|
{ 195, "MS is GPRS detached" },
|
|
{ 196, "MS is not GPRS responding" },
|
|
{ 197, "MS refuses" },
|
|
{ 198, "Version not supported" },
|
|
{ 199, "No resource available" },
|
|
{ 200, "Service not supported" },
|
|
{ 201, "Mandatory IE incorrect" },
|
|
{ 202, "Mandatory IE missing" },
|
|
{ 203, "Optional IE incorrect" },
|
|
{ 204, "System failure" },
|
|
{ 205, "Roaming restriction" },
|
|
{ 206, "P-TMSI signature mismatch" },
|
|
{ 207, "GPRS connection suspended" },
|
|
{ 208, "Authentication failure" },
|
|
{ 209, "User authentication failed" },
|
|
{ 210, "Context not found" },
|
|
{ 211, "All PDP dynamic addresses are occupied" },
|
|
{ 212, "No memory is available" },
|
|
{ 213, "Relocation failure" },
|
|
{ 214, "Unknown mandatory extension header" },
|
|
{ 215, "Semantic error in the TFT operation" },
|
|
{ 216, "Syntactic error in the TFT operation" },
|
|
{ 217, "Semantic errors in packet filter(s)" },
|
|
{ 218, "Syntactic errors in packet filter(s)" },
|
|
{ 219, "Missing or unknown APN" },
|
|
{ 220, "Unknown PDP address or PDP type" },
|
|
{ 252, "Request related to possibly duplicated packets already fulfilled" }, /* charging */
|
|
{ 253, "Request already fulfilled" }, /* charging */
|
|
{ 254, "Sequence numbers of released/cancelled packets IE incorrect" }, /* charging */
|
|
{ 255, "Request not fulfilled" }, /* charging */
|
|
{ 0, NULL }
|
|
};
|
|
|
|
/* GPRS: 9.02 v7.7.0
|
|
* UMTS: 29.002 v4.2.1, chapter 17.5, page 268
|
|
* TODO: Check if all map_cause values are included
|
|
*/
|
|
static const value_string map_cause_type[] = {
|
|
{ 1, "Unknown subscriber" },
|
|
{ 8, "Roaming not allowed" },
|
|
{ 10, "Bearer service not provisioned" },
|
|
{ 11, "Teleservice not provisioned" },
|
|
{ 13, "Call barred" },
|
|
{ 21, "Facility not supported" },
|
|
{ 23, "Update GPRS location" },
|
|
{ 24, "Send routing info for GPRS" },
|
|
{ 26, "Note MS present for GPRS" },
|
|
{ 27, "Absent subscriber" },
|
|
{ 34, "System failure" },
|
|
{ 35, "Data missing" },
|
|
{ 36, "Unexpected data value" },
|
|
{ 44, "Number chenged" },
|
|
{ 45, "Busy subscriber" },
|
|
{ 46, "No subscriber reply" },
|
|
{ 48, "Facility not allowed" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string gsn_addr_type[] = {
|
|
{ 0x00, "IPv4" },
|
|
{ 0x01, "IPv6" },
|
|
{ 0, NULL },
|
|
};
|
|
|
|
static const value_string pdp_type[] = {
|
|
{ 0x00, "X.25" },
|
|
{ 0x01, "PPP" },
|
|
{ 0x02, "OSP:IHOSS" },
|
|
{ 0x21, "IPv4" },
|
|
{ 0x57, "IPv6" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string pdp_org_type[] = {
|
|
{ 0, "ETSI" },
|
|
{ 1, "IETF" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string qos_delay_type[] = {
|
|
{ 0x00, "Subsribed delay class (in MS to network direction)" },
|
|
{ 0x01, "Delay class 1" },
|
|
{ 0x02, "Delay class 2" },
|
|
{ 0x03, "Delay class 3" },
|
|
{ 0x04, "Delay class 4 (best effort)" },
|
|
{ 0x07, "Reserved" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string qos_reliability_type[] = {
|
|
{ 0x00, "Subscribed reliability class (in MS to network direction)" },
|
|
{ 0x01, "Ack GTP/LLC/RLC, Protected data" },
|
|
{ 0x02, "Unack GTP, Ack LLC/RLC, Protected data" },
|
|
{ 0x03, "Unack GTP/LLC, Ack RLC, Protected data" },
|
|
{ 0x04, "Unack GTP/LLC/RLC, Protected data" },
|
|
{ 0x05, "Unack GTP/LLC/RLC, Unprotected data" },
|
|
{ 0x07, "Reserved" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string qos_peak_type[] = {
|
|
{ 0x00, "Subscribed peak throughput (in MS to network direction)" },
|
|
{ 0x01, "Up to 1 000 oct/s" },
|
|
{ 0x02, "Up to 2 000 oct/s" },
|
|
{ 0x03, "Up to 4 000 oct/s" },
|
|
{ 0x04, "Up to 8 000 oct/s" },
|
|
{ 0x05, "Up to 16 000 oct/s" },
|
|
{ 0x06, "Up to 32 000 oct/s" },
|
|
{ 0x07, "Up to 64 000 oct/s" },
|
|
{ 0x08, "Up to 128 000 oct/s" },
|
|
{ 0x09, "Up to 256 000 oct/s" },
|
|
/* QoS Peak throughput classes from 0x0A to 0x0F (from 10 to 15) are subscribed */
|
|
{ 0x0A, "Reserved" },
|
|
{ 0x0B, "Reserved" },
|
|
{ 0x0C, "Reserved" },
|
|
{ 0x0D, "Reserved" },
|
|
{ 0x0E, "Reserved" },
|
|
{ 0x0F, "Reserved" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string qos_precedence_type[] = {
|
|
{ 0x00, "Subscribed precedence (in MS to network direction)" },
|
|
{ 0x01, "High priority" },
|
|
{ 0x02, "Normal priority" },
|
|
{ 0x03, "Low priority" },
|
|
{ 0x07, "Reserved" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string qos_mean_type[] = {
|
|
{ 0x00, "Subscribed mean throughput (in MS to network direction)" },
|
|
{ 0x01, "100 oct/h" }, /* Class 2 */
|
|
{ 0x02, "200 oct/h" }, /* Class 3 */
|
|
{ 0x03, "500 oct/h" }, /* Class 4 */
|
|
{ 0x04, "1 000 oct/h" }, /* Class 5 */
|
|
{ 0x05, "2 000 oct/h" }, /* Class 6 */
|
|
{ 0x06, "5 000 oct/h" }, /* Class 7 */
|
|
{ 0x07, "10 000 oct/h" }, /* Class 8 */
|
|
{ 0x08, "20 000 oct/h" }, /* Class 9 */
|
|
{ 0x09, "50 000 oct/h" }, /* Class 10 */
|
|
{ 0x0A, "100 000 oct/h" }, /* Class 11 */
|
|
{ 0x0B, "200 000 oct/h" }, /* Class 12 */
|
|
{ 0x0C, "500 000 oct/h" }, /* Class 13 */
|
|
{ 0x0D, "1 000 000 oct/h" }, /* Class 14 */
|
|
{ 0x0E, "2 000 000 oct/h" }, /* Class 15 */
|
|
{ 0x0F, "5 000 000 oct/h" }, /* Class 16 */
|
|
{ 0x10, "10 000 000 oct/h" }, /* Class 17 */
|
|
{ 0x11, "20 000 000 oct/h" }, /* Class 18 */
|
|
{ 0x12, "50 000 000 oct/h" }, /* Class 19 */
|
|
/* QoS Mean throughput classes from 0x13 to 0x1E (from 19 to 30) are subscribed */
|
|
{ 0x13, "Reserved" },
|
|
{ 0x14, "Reserved" },
|
|
{ 0x15, "Reserved" },
|
|
{ 0x16, "Reserved" },
|
|
{ 0x17, "Reserved" },
|
|
{ 0x18, "Reserved" },
|
|
{ 0x19, "Reserved" },
|
|
{ 0x1A, "Reserved" },
|
|
{ 0x1B, "Reserved" },
|
|
{ 0x1C, "Reserved" },
|
|
{ 0x1D, "Reserved" },
|
|
{ 0x1E, "Reserved" },
|
|
{ 0x1F, "Best effort" }, /* Class 1 */
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string qos_del_err_sdu[] = {
|
|
{ 0x00, "Subscribed delivery of erroneous SDUs (in MS to network direction)" },
|
|
{ 0x01, "No detect ('-')" },
|
|
{ 0x02, "Erroneous SDUs are delivered ('yes')" },
|
|
{ 0x03, "Erroneous SDUs are not delivered ('no')" },
|
|
{ 0x07, "Reserved" }, /* All other values are reserved */
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string qos_del_order[] = {
|
|
{ 0x00, "Subscribed delivery order (in MS to network direction)" },
|
|
{ 0x01, "With delivery order ('yes')" },
|
|
{ 0x02, "Without delivery order ('no')" },
|
|
{ 0x03, "Reserved" }, /* All other values are reserved */
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string qos_traf_class[] = {
|
|
{ 0x00, "Subscribed traffic class (in MS to network direction)" },
|
|
{ 0x01, "Conversational class" },
|
|
{ 0x02, "Streaming class" },
|
|
{ 0x03, "Interactive class" },
|
|
{ 0x04, "Background class" },
|
|
{ 0x07, "Reserved" }, /* All other values are reserved */
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string qos_max_sdu_size[] = {
|
|
{ 0x00, "Subscribed maximum SDU size (in MS to network direction" },
|
|
/* For values from 0x01 to 0x96 (from 1 to 150), use a granularity of 10 octets */
|
|
{ 0x97, "1502 octets" },
|
|
{ 0x98, "1510 octets" },
|
|
{ 0x99, "1520 octets" },
|
|
{ 0, NULL } /* All other values are reserved */
|
|
};
|
|
|
|
static const value_string qos_max_ul[] = {
|
|
{ 0x00, "Subscribed maximum bit rate for uplink (in MS to network direction)" },
|
|
/* For values from 0x01 to 0x3F (from 1 to 63), use a granularity of 1 kbps */
|
|
/* For values from 0x40 to 0x7F, value = 64 kbps + (value - 0x40) * 8 kbps */
|
|
/* For values from 0x80 to 0xFE, value = 576 kbps + (value - 0x80) * 64 kbps */
|
|
{ 0xFF, "0 kbps" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string qos_max_dl[] = {
|
|
{ 0x00, "Subscribed maximum bit rate for downlink (in MS to network direction)" },
|
|
/* For values from 0x01 to 0x3F (from 1 to 63), use a granularity of 1 kbps */
|
|
/* For values from 0x40 to 0x7F, value = 64 kbps + (value - 0x40) * 8 kbps */
|
|
/* For values from 0x80 to 0xFE, value = 576 kbps + (value - 0x80) * 64 kbps */
|
|
{ 0xFF, "0 kbps" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string qos_res_ber[] = {
|
|
{ 0x00, "Subscribed residual BER (in MS to network direction)" },
|
|
{ 0x01, "1/20 = 5x10^-2" },
|
|
{ 0x02, "1/100 = 1x10^-2" },
|
|
{ 0x03, "1/200 = 5x10^-3" },
|
|
{ 0x04, "1/250 = 4x10^-3" },
|
|
{ 0x05, "1/1 000 = 1x10^-3" },
|
|
{ 0x06, "1/10 000 = 1x10^-4" },
|
|
{ 0x07, "1/100 000 = 1x10^-5" },
|
|
{ 0x08, "1/1 000 000 = 1x10^-6" },
|
|
{ 0x09, "3/50 000 000 = 6x10^-8" },
|
|
{ 0x0F, "Reserved" }, /* All other values are reserved */
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string qos_sdu_err_ratio[] = {
|
|
{ 0x00, "Subscribed SDU error ratio (in MS to network direction)" },
|
|
{ 0x01, "1/100 = 1x10^-2" },
|
|
{ 0x02, "7/1000 = 7x10^-3" },
|
|
{ 0x03, "1/1 000 = 1x10^-3" },
|
|
{ 0x04, "1/10 000 = 1x10^-4" },
|
|
{ 0x05, "1/100 000 = 1x10^-5" },
|
|
{ 0x06, "1/1 000 000 = 1x10^-6" },
|
|
{ 0x07, "1/10 = 1x10^-1" },
|
|
{ 0x0F, "Reserved" }, /* All other values are reserved */
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string qos_traf_handl_prio[] = {
|
|
{ 0x00, "Subscribed traffic handling priority (in MS to network direction)" },
|
|
{ 0x01, "Priority level 1" },
|
|
{ 0x02, "Priority level 2" },
|
|
{ 0x03, "Priority level 3" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string qos_trans_delay[] = {
|
|
{ 0x00, "Subscribed Transfer Delay (in MS to network direction)" },
|
|
{ 0x01, "10 ms" }, /* Using a granularity of 10 ms */
|
|
{ 0x02, "20 ms" },
|
|
{ 0x03, "30 ms" },
|
|
{ 0x04, "40 ms" },
|
|
{ 0x05, "50 ms" },
|
|
{ 0x06, "60 ms" },
|
|
{ 0x07, "70 ms" },
|
|
{ 0x08, "80 ms" },
|
|
{ 0x09, "90 ms" },
|
|
{ 0x0A, "100 ms" },
|
|
{ 0x0B, "110 ms" },
|
|
{ 0x0C, "120 ms" },
|
|
{ 0x0D, "130 ms" },
|
|
{ 0x0E, "140 ms" },
|
|
{ 0x0F, "150 ms" },
|
|
{ 0x10, "200 ms" }, /* (For values from 0x10 to 0x1F, value = 200 ms + (value - 0x10) * 50 ms */
|
|
{ 0x11, "250 ms" },
|
|
{ 0x12, "300 ms" },
|
|
{ 0x13, "350 ms" },
|
|
{ 0x14, "400 ms" },
|
|
{ 0x15, "450 ms" },
|
|
{ 0x16, "500 ms" },
|
|
{ 0x17, "550 ms" },
|
|
{ 0x18, "600 ms" },
|
|
{ 0x19, "650 ms" },
|
|
{ 0x1A, "700 ms" },
|
|
{ 0x1B, "750 ms" },
|
|
{ 0x1C, "800 ms" },
|
|
{ 0x1D, "850 ms" },
|
|
{ 0x1E, "900 ms" },
|
|
{ 0x1F, "950 ms" },
|
|
{ 0x20, "1000 ms" }, /* For values from 0x20 to 0x3E, value = 1000 ms + (value - 0x20) * 100 ms */
|
|
{ 0x21, "1100 ms" },
|
|
{ 0x22, "1200 ms" },
|
|
{ 0x23, "1300 ms" },
|
|
{ 0x24, "1400 ms" },
|
|
{ 0x25, "1500 ms" },
|
|
{ 0x26, "1600 ms" },
|
|
{ 0x27, "1700 ms" },
|
|
{ 0x28, "1800 ms" },
|
|
{ 0x29, "1900 ms" },
|
|
{ 0x2A, "2000 ms" },
|
|
{ 0x2B, "2100 ms" },
|
|
{ 0x2C, "2200 ms" },
|
|
{ 0x2D, "2300 ms" },
|
|
{ 0x2E, "2400 ms" },
|
|
{ 0x2F, "2500 ms" },
|
|
{ 0x30, "2600 ms" },
|
|
{ 0x31, "2700 ms" },
|
|
{ 0x32, "2800 ms" },
|
|
{ 0x33, "2900 ms" },
|
|
{ 0x34, "3000 ms" },
|
|
{ 0x35, "3100 ms" },
|
|
{ 0x36, "3200 ms" },
|
|
{ 0x37, "3300 ms" },
|
|
{ 0x38, "3400 ms" },
|
|
{ 0x39, "3500 ms" },
|
|
{ 0x3A, "3600 ms" },
|
|
{ 0x3B, "3700 ms" },
|
|
{ 0x3C, "3800 ms" },
|
|
{ 0x3D, "3900 ms" },
|
|
{ 0x3E, "4000 ms" },
|
|
{ 0x3F, "Reserved"},
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string qos_guar_ul[] = {
|
|
{ 0x00, "Subscribed guaranteed bit rate for uplink (in MS to network direction)" },
|
|
/* For values from 0x01 to 0x3F (from 1 to 63), use a granularity of 1 kbps */
|
|
/* For values from 0x40 to 0x7F, value = 64 kbps + (value - 0x40) * 8 kbps */
|
|
/* For values from 0x80 to 0xFE, value = 576 kbps + (value - 0x80) * 64 kbps */
|
|
{ 0xFF, "0 kbps" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string qos_guar_dl[] = {
|
|
{ 0x00, "Subscribed guaranteed bit rate for downlink (in MS to network direction)" },
|
|
/* For values from 0x01 to 0x3F (from 1 to 63), use a granularity of 1 kbps */
|
|
/* For values from 0x40 to 0x7F, value = 64 kbps + (value - 0x40) * 8 kbps */
|
|
/* For values from 0x80 to 0xFE, value = 576 kbps + (value - 0x80) * 64 kbps */
|
|
{ 0xFF, "0 kbps" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string sel_mode_type[] = {
|
|
{ 0, "MS or network provided APN, subscribed verified" },
|
|
{ 1, "MS provided APN, subscription not verified" },
|
|
{ 2, "Network provided APN, subscription not verified" },
|
|
{ 3, "For future use (Network provided APN, subscription not verified" },/* Shall not be sent. If received, shall be sent as value 2 */
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string tr_comm_type[] = {
|
|
{ 1, "Send data record packet" },
|
|
{ 2, "Send possibly duplicated data record packet" },
|
|
{ 3, "Cancel data record packet" },
|
|
{ 4, "Release data record packet"},
|
|
{ 0, NULL }
|
|
};
|
|
|
|
/* TODO: CHeck if all ms_reasons are included */
|
|
static const value_string ms_not_reachable_type[] = {
|
|
{ 0, "No paging response via the MSC" },
|
|
{ 1, "IMSI detached" },
|
|
{ 2, "Roaming restriction" },
|
|
{ 3, "Deregistered in the HLR for non GPRS" },
|
|
{ 4, "MS purge for non GPRS" },
|
|
{ 5, "No paging response via the SGSN" },
|
|
{ 6, "GPRS detached" },
|
|
{ 7, "Deregistered in the HLR for non GPRS" },
|
|
{ 8, "MS purged for GPRS" },
|
|
{ 9, "Unidentified subscriber via the MSC" },
|
|
{ 10, "Unidentified subscriber via the SGSN" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
/* UMTS: 25.413 v3.4.0, chapter 9.2.1.4, page 80
|
|
*/
|
|
static const value_string ranap_cause_type[] = {
|
|
/* Radio Network Layer Cause (1-->64) */
|
|
{ 1, "RAB preempted" },
|
|
{ 2, "Trelocoverall Expiry" },
|
|
{ 3, "Trelocprep Expiry" },
|
|
{ 4, "Treloccomplete Expiry" },
|
|
{ 5, "Tqueing Expiry" },
|
|
{ 6, "Relocation Triggered" },
|
|
{ 7, "TRELOCalloc Expiry" },
|
|
{ 8, "Unable to Estabish During Relocation" },
|
|
{ 9, "Unknown Target RNC" },
|
|
{ 10, "Relocation Cancelled" },
|
|
{ 11, "Successful Relocation" },
|
|
{ 12, "Requested Ciphering and/or Integrity Protection Algorithms not Supported" },
|
|
{ 13, "Change of Ciphering and/or Integrity Protection is not supported" },
|
|
{ 14, "Failure in the Radio Interface Procedure" },
|
|
{ 15, "Release due to UTRAN Generated Reason" },
|
|
{ 16, "User Inactivity" },
|
|
{ 17, "Time Critical Relocation" },
|
|
{ 18, "Requested Traffic Class not Available" },
|
|
{ 19, "Invalid RAB Parameters Value" },
|
|
{ 20, "Requested Maximum Bit Rate not Available" },
|
|
{ 21, "Requested Guaranteed Bit Rate not Available" },
|
|
{ 22, "Requested Transfer Delay not Achievable" },
|
|
{ 23, "Invalid RAB Parameters Combination" },
|
|
{ 24, "Condition Violation for SDU Parameters" },
|
|
{ 25, "Condition Violation for Traffic Handling Priority" },
|
|
{ 26, "Condition Violation for Guaranteed Bit Rate" },
|
|
{ 27, "User Plane Versions not Supported" },
|
|
{ 28, "Iu UP Failure" },
|
|
{ 29, "Relocation Failure in Target CN/RNC or Target System" },
|
|
{ 30, "Invalid RAB ID" },
|
|
{ 31, "No Remaining RAB" },
|
|
{ 32, "Interaction with other procedure" },
|
|
{ 33, "Requested Maximum Bit Rate for DL not Available" },
|
|
{ 34, "Requested Maximum Bit Rate for UL not Available" },
|
|
{ 35, "Requested Guaranteed Bit Rate for DL not Available" },
|
|
{ 36, "Requested Guaranteed Bit Rate for UL not Available" },
|
|
{ 37, "Repeated Integrity Checking Failure" },
|
|
{ 38, "Requested Report Type not supported" },
|
|
{ 39, "Request superseded" },
|
|
{ 40, "Release due to UE generated signalling connection release" },
|
|
{ 41, "Resource Optimisation Relocation" },
|
|
{ 42, "Requested Information Not Available" },
|
|
{ 43, "Relocation desirable for radio reasons" },
|
|
{ 44, "Relocation not supported in Target RNC or Target System" },
|
|
{ 45, "Directed Retry" },
|
|
{ 46, "Radio Connection With UE Lost" },
|
|
/* Transport Layer Cause (65-->80) */
|
|
{ 65, "Signalling Transport Resource Failure" },
|
|
{ 66, "Iu Transport Connection Failed to Establish" },
|
|
/* NAS Cause (81-->96) */
|
|
{ 81, "User Restriction Start Indication" },
|
|
{ 82, "User Restriction End Indication" },
|
|
{ 83, "Normal Release" },
|
|
/* Protocol Cause (97-->112) */
|
|
{ 97, "Transfer Syntax Error" },
|
|
{ 98, "Semantic Error" },
|
|
{ 99, "Message not compatible with receiver state" },
|
|
{ 100, "Abstract Syntax Error (Reject)" },
|
|
{ 101, "Abstract Syntax Error (Ignore and Notify)" },
|
|
{ 102, "Abstract Syntax Error (Falsely Constructed Message" },
|
|
/* Miscellaneous Cause (113-->128) */
|
|
{ 113, "O & M Intervention" },
|
|
{ 114, "No Resource Available" },
|
|
{ 115, "Unspecified Failure" },
|
|
{ 116, "Network Opimisation" },
|
|
/* Non-standard Cause (129-->255) */
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string mm_sec_modep[] = {
|
|
{ 0, "Used cipher value, UMTS keys and Quintuplets" },
|
|
{ 1, "GSM key and triplets" },
|
|
{ 2, "UMTS key and quintuplets" },
|
|
{ 3, "GSM key and quintuplets" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
#define MM_PROTO_GROUP_CALL_CONTROL 0x00
|
|
#define MM_PROTO_BROADCAST_CALL_CONTROL 0x01
|
|
#define MM_PROTO_PDSS1 0x02
|
|
#define MM_PROTO_CALL_CONTROL 0x03
|
|
#define MM_PROTO_PDSS2 0x04
|
|
#define MM_PROTO_MM_NON_GPRS 0x05
|
|
#define MM_PROTO_RR_MGMT 0x06
|
|
#define MM_PROTO_MM_GPRS 0x08
|
|
#define MM_PROTO_SMS 0x09
|
|
#define MM_PROTO_SESSION_MGMT 0x0A
|
|
#define MM_PROTO_NON_CALL_RELATED 0x0B
|
|
|
|
static const value_string mm_proto_disc[] = {
|
|
{ MM_PROTO_GROUP_CALL_CONTROL, "Group call control" },
|
|
{ MM_PROTO_BROADCAST_CALL_CONTROL, "Broadcast call control" },
|
|
{ MM_PROTO_PDSS1, "PDSS1" },
|
|
{ MM_PROTO_CALL_CONTROL, "Call control; call related SS messages" },
|
|
{ MM_PROTO_PDSS2, "PDSS2" },
|
|
{ MM_PROTO_MM_NON_GPRS, "Mobility Management messages for non-GPRS services" },
|
|
{ MM_PROTO_RR_MGMT, "Radio Resource management messages" },
|
|
{ MM_PROTO_MM_GPRS, "Mobility Management messages for GPRS services" },
|
|
{ MM_PROTO_SMS, "SMS" },
|
|
{ MM_PROTO_SESSION_MGMT, "Session Management messages" },
|
|
{ MM_PROTO_NON_CALL_RELATED, "Non-call related SS messages" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string mm_rr_mess[] = {
|
|
{ 0x3C, "RR initialization request" },
|
|
{ 0x3B, "Additional assignment" },
|
|
{ 0x3F, "Immediate assignment" },
|
|
{ 0x39, "Immediate assignment extended" },
|
|
{ 0x3A, "Immediate assignment reject" },
|
|
|
|
{ 0x35, "Ciphering mode command" },
|
|
{ 0x32, "Ciphering mode complete" },
|
|
|
|
{ 0x30, "Configuration change command" },
|
|
{ 0x31, "Configuration change ack" },
|
|
{ 0x33, "Configuration change reject" },
|
|
|
|
{ 0x2E, "Assignment command" },
|
|
{ 0x29, "Assignment complete" },
|
|
{ 0x2F, "Assigment failure" },
|
|
{ 0x2B, "Handover command" },
|
|
{ 0x2C, "Handover complete" },
|
|
{ 0x28, "Handover failure" },
|
|
{ 0x2D, "Physical information" },
|
|
|
|
{ 0x08, "RR-cell change order" },
|
|
{ 0x23, "PDCH assignment command" },
|
|
|
|
{ 0x0D, "Channel release" },
|
|
{ 0x0A, "Partial release" },
|
|
{ 0x0F, "PArtial release complete" },
|
|
|
|
{ 0x21, "Paging request type 1" },
|
|
{ 0x22, "Paging request type 2" },
|
|
{ 0x24, "Paging request type 3" },
|
|
{ 0x27, "Paging response" },
|
|
{ 0x20, "Notification/NCH" },
|
|
{ 0x25, "Notification/FACCH" },
|
|
{ 0x26, "Reserved" },
|
|
{ 0x0B, "Reserved" },
|
|
|
|
{ 0x18, "System information type 8" },
|
|
{ 0x19, "System information type 1" },
|
|
{ 0x1A, "System information type 2" },
|
|
{ 0x1B, "System information type 3" },
|
|
{ 0x1C, "System information type 4" },
|
|
{ 0x1D, "System information type 5" },
|
|
{ 0x1E, "System information type 6" },
|
|
{ 0x1F, "System information type 7" },
|
|
|
|
{ 0x02, "System information type 2bis" },
|
|
{ 0x03, "System information type 2ter" },
|
|
{ 0x05, "System information type 5bis" },
|
|
{ 0x06, "System information type 5ter" },
|
|
{ 0x04, "System information 9" },
|
|
{ 0x00, "System information 13" },
|
|
{ 0x01, "System information 14" },
|
|
|
|
{ 0x3D, "System information type 16" },
|
|
{ 0x3E, "System information type 17" },
|
|
|
|
{ 0x10, "Channel mode modify" },
|
|
{ 0x12, "RR status" },
|
|
{ 0x17, "Channel mode modify ack" },
|
|
{ 0x14, "Frequency redefinition" },
|
|
{ 0x15, "Measurement report" },
|
|
{ 0x16, "Classmark change" },
|
|
{ 0x13, "Classmark enquiry" },
|
|
{ 0x36, "Extended measurement report" },
|
|
{ 0x37, "Extended measurement order" },
|
|
{ 0x34, "GPRS suspension request" },
|
|
|
|
{ 0x09, "VGCS uplink grant" },
|
|
{ 0x0E, "Uplink release" },
|
|
{ 0x0C, "Uplink free" },
|
|
{ 0x2A, "Uplink busy" },
|
|
{ 0x11, "Talker indication" },
|
|
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string mm_mm_mess[] = {
|
|
{ 0x01, "IMSI DETACH INDICATION" },
|
|
{ 0x02, "LOCATION UPDATING ACCEPT" },
|
|
{ 0x04, "LOCATION UPDATING REJECT" },
|
|
{ 0x08, "LOCATION UPDATING REQUEST" },
|
|
{ 0x11, "AUTHENTICATION REJECT" },
|
|
{ 0x12, "AUTHENTICATION REQUEST" },
|
|
{ 0x14, "AUTHENTICATION RESPONSE" },
|
|
{ 0x18, "IDENTITY REQUEST" },
|
|
{ 0x19, "IDENTITY RESPONSE" },
|
|
{ 0x1A, "TMSI REALLOCATION COMMAND" },
|
|
{ 0x1B, "TMSI REALLOCATION COMPLETE" },
|
|
{ 0x21, "CM SERVICE ACCEPT" },
|
|
{ 0x22, "CM SERVICE REJECT" },
|
|
{ 0x23, "CM SERVICE ABORT" },
|
|
{ 0x24, "CM SERVICE REQUEST" },
|
|
{ 0x25, "CM SERVICE PROMPT" },
|
|
{ 0x26, "NOTIFICATION RESPONSE" },
|
|
{ 0x28, "CM RE-ESTABLISHMENT REQUEST" },
|
|
{ 0x29, "ABORT" },
|
|
{ 0x30, "MM NULL" },
|
|
{ 0x31, "MM STATUS" },
|
|
{ 0x32, "MM INFORMATION" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string mm_cc_mess[] = {
|
|
{ 0x00, "escape to nationally specific" },
|
|
/*{ 0 x 0 0, "- - - Call establishment messages:" },*/
|
|
{ 0x01, "ALERTING" },
|
|
{ 0x08, "CALL CONFIRMED" },
|
|
{ 0x02, "CALL PROCEEDING" },
|
|
{ 0x07, "CONNECT" },
|
|
{ 0x0F, "CONNECT ACKNOWLEDGE" },
|
|
{ 0x0E, "EMERGENCY SETUP" },
|
|
{ 0x03, "PROGRESS" },
|
|
{ 0x04, "CC-ESTABLISHMENT" },
|
|
{ 0x06, "CC-ESTABLISHMENT CONFIRMED" },
|
|
{ 0x0B, "RECALL" },
|
|
{ 0x09, "START CC" },
|
|
{ 0x05, "SETUP" },
|
|
/*{ 0 x 0 1, "- - - Call information phase messages:" },*/
|
|
{ 0x17, "MODIFY" },
|
|
{ 0x1F, "MODIFY COMPLETE" },
|
|
{ 0x13, "MODIFY REJECT" },
|
|
{ 0x10, "USER INFORMATION" },
|
|
{ 0x18, "HOLD" },
|
|
{ 0x19, "HOLD ACKNOWLEDGE" },
|
|
{ 0x1A, "HOLD REJECT" },
|
|
{ 0x1C, "RETRIEVE" },
|
|
{ 0x1D, "RETRIEVE ACKNOWLEDGE" },
|
|
{ 0x1E, "RETRIEVE REJECT" },
|
|
/*{ 0 x 1 0, "- - - Call clearing messages:" },*/
|
|
{ 0x25, "DISCONNECT" },
|
|
{ 0x2D, "RELEASE" },
|
|
{ 0x2A, "RELEASE COMPLETE" },
|
|
/*{ 0 x 1 1, "- - - Miscellaneous messages:" },*/
|
|
{ 0x39, "CONGESTION CONTROL" },
|
|
{ 0x3E, "NOTIFY" },
|
|
{ 0x3D, "STATUS" },
|
|
{ 0x34, "STATUS ENQUIRY" },
|
|
{ 0x35, "START DTMF" },
|
|
{ 0x31, "STOP DTMF" },
|
|
{ 0x32, "STOP DTMF ACKNOWLEDGE" },
|
|
{ 0x36, "START DTMF ACKNOWLEDGE" },
|
|
{ 0x37, "START DTMF REJECT" },
|
|
{ 0x3A, "FACILITY" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string mm_gprs_mess[] = {
|
|
{ 0x01, "Attach request" },
|
|
{ 0x02, "Attach accept" },
|
|
{ 0x03, "Attach complete" },
|
|
{ 0x04, "Attach reject" },
|
|
{ 0x05, "Detach request" },
|
|
{ 0x06, "Detach accept" },
|
|
{ 0x08, "Routing area update request" },
|
|
{ 0x09, "Routing area update accept" },
|
|
{ 0x0A, "Routing area update complete" },
|
|
{ 0x0B, "Routing area update reject" },
|
|
{ 0x10, "P-TMSI reallocation command" },
|
|
{ 0x11, "P-TMSI reallocation complete" },
|
|
{ 0x12, "Authentication and ciphering req" },
|
|
{ 0x13, "Authentication and ciphering resp" },
|
|
{ 0x14, "Authentication and ciphering rej" },
|
|
{ 0x15, "Identity request" },
|
|
{ 0x16, "Identity response" },
|
|
{ 0x20, "GMM status" },
|
|
{ 0x21, "GMM information" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string tft_code_type[] = {
|
|
{ 0, "Spare" },
|
|
{ 1, "Create new TFT" },
|
|
{ 2, "Delete existing TFT" },
|
|
{ 3, "Add packet filters to existing TFT" },
|
|
{ 4, "Replace packet filters in existing TFT" },
|
|
{ 5, "Delete packet filters from existing TFT" },
|
|
{ 6, "Reserved" },
|
|
{ 7, "Reserved" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
|
|
static dissector_handle_t ip_handle;
|
|
static dissector_handle_t ipv6_handle;
|
|
static dissector_handle_t ppp_handle;
|
|
static dissector_handle_t data_handle;
|
|
static dissector_handle_t gtpcdr_handle;
|
|
|
|
static int decode_gtp_cause (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_imsi (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_rai (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_tlli (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_ptmsi (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_qos_gprs (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_reorder (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_auth_tri (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_map_cause (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_ptmsi_sig (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_ms_valid (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_recovery (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_sel_mode (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_16 (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_17 (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_18 (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_19 (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_nsapi (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_ranap_cause (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_rab_cntxt (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_rp_sms (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_rp (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_pkt_flow_id (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_chrg_char (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_trace_ref (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_trace_type (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_ms_reason (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_tr_comm (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_chrg_id (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_user_addr (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_mm_cntxt (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_pdp_cntxt (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_apn (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_gsn_addr (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_proto_conf (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_msisdn (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_qos_umts (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_auth_qui (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_tft (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_target_id (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_utran_cont (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_rab_setup (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_hdr_list (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_trigger_id (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_omc_id (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_chrg_addr (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_rel_pack (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_can_pack (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_data_req (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_data_resp (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_node_addr (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_priv_ext (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
static int decode_gtp_unknown (tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
|
|
|
|
typedef struct _gtp_opt {
|
|
int optcode;
|
|
int (*decode)(tvbuff_t *, int, packet_info *, proto_tree *);
|
|
} gtp_opt_t;
|
|
|
|
static const gtp_opt_t gtpopt[] = {
|
|
{ GTP_EXT_CAUSE, decode_gtp_cause },
|
|
{ GTP_EXT_IMSI, decode_gtp_imsi },
|
|
{ GTP_EXT_RAI, decode_gtp_rai },
|
|
{ GTP_EXT_TLLI, decode_gtp_tlli },
|
|
{ GTP_EXT_PTMSI, decode_gtp_ptmsi },
|
|
{ GTP_EXT_QOS_GPRS, decode_gtp_qos_gprs },
|
|
{ GTP_EXT_REORDER, decode_gtp_reorder },
|
|
{ GTP_EXT_AUTH_TRI, decode_gtp_auth_tri },
|
|
{ GTP_EXT_MAP_CAUSE, decode_gtp_map_cause },
|
|
{ GTP_EXT_PTMSI_SIG, decode_gtp_ptmsi_sig },
|
|
{ GTP_EXT_MS_VALID, decode_gtp_ms_valid },
|
|
{ GTP_EXT_RECOVER, decode_gtp_recovery },
|
|
{ GTP_EXT_SEL_MODE, decode_gtp_sel_mode },
|
|
{ GTP_EXT_16, decode_gtp_16 },
|
|
{ GTP_EXT_17, decode_gtp_17 },
|
|
{ GTP_EXT_18, decode_gtp_18 },
|
|
{ GTP_EXT_19, decode_gtp_19 },
|
|
{ GTP_EXT_NSAPI, decode_gtp_nsapi },
|
|
{ GTP_EXT_RANAP_CAUSE, decode_gtp_ranap_cause },
|
|
{ GTP_EXT_RAB_CNTXT, decode_gtp_rab_cntxt },
|
|
{ GTP_EXT_RP_SMS, decode_gtp_rp_sms },
|
|
{ GTP_EXT_RP, decode_gtp_rp },
|
|
{ GTP_EXT_PKT_FLOW_ID, decode_gtp_pkt_flow_id },
|
|
{ GTP_EXT_CHRG_CHAR, decode_gtp_chrg_char },
|
|
{ GTP_EXT_TRACE_REF, decode_gtp_trace_ref },
|
|
{ GTP_EXT_TRACE_TYPE, decode_gtp_trace_type },
|
|
{ GTPv1_EXT_MS_REASON, decode_gtp_ms_reason },
|
|
{ GTP_EXT_TR_COMM, decode_gtp_tr_comm },
|
|
{ GTP_EXT_CHRG_ID, decode_gtp_chrg_id },
|
|
{ GTP_EXT_USER_ADDR, decode_gtp_user_addr },
|
|
{ GTP_EXT_MM_CNTXT, decode_gtp_mm_cntxt },
|
|
{ GTP_EXT_PDP_CNTXT, decode_gtp_pdp_cntxt },
|
|
{ GTP_EXT_APN, decode_gtp_apn },
|
|
{ GTP_EXT_PROTO_CONF, decode_gtp_proto_conf },
|
|
{ GTP_EXT_GSN_ADDR, decode_gtp_gsn_addr },
|
|
{ GTP_EXT_MSISDN, decode_gtp_msisdn },
|
|
{ GTP_EXT_QOS_UMTS, decode_gtp_qos_umts }, /* 3G */
|
|
{ GTP_EXT_AUTH_QUI, decode_gtp_auth_qui }, /* 3G */
|
|
{ GTP_EXT_TFT, decode_gtp_tft }, /* 3G */
|
|
{ GTP_EXT_TARGET_ID, decode_gtp_target_id }, /* 3G */
|
|
{ GTP_EXT_UTRAN_CONT, decode_gtp_utran_cont }, /* 3G */
|
|
{ GTP_EXT_RAB_SETUP, decode_gtp_rab_setup }, /* 3G */
|
|
{ GTP_EXT_HDR_LIST, decode_gtp_hdr_list }, /* 3G */
|
|
{ GTP_EXT_TRIGGER_ID, decode_gtp_trigger_id }, /* 3G */
|
|
{ GTP_EXT_OMC_ID, decode_gtp_omc_id }, /* 3G */
|
|
{ GTP_EXT_REL_PACK, decode_gtp_rel_pack }, /* charging */
|
|
{ GTP_EXT_CAN_PACK, decode_gtp_can_pack }, /* charging */
|
|
{ GTP_EXT_CHRG_ADDR, decode_gtp_chrg_addr },
|
|
{ GTP_EXT_DATA_REQ, decode_gtp_data_req }, /* charging */
|
|
{ GTP_EXT_DATA_RESP, decode_gtp_data_resp }, /* charging */
|
|
{ GTP_EXT_NODE_ADDR, decode_gtp_node_addr },
|
|
{ GTP_EXT_PRIV_EXT, decode_gtp_priv_ext },
|
|
{ 0, decode_gtp_unknown }
|
|
};
|
|
|
|
struct _gtp_hdr {
|
|
guint8 flags;
|
|
guint8 message;
|
|
guint16 length;
|
|
};
|
|
|
|
static guint8 gtp_version = 0;
|
|
static char *yesno[] = { "no", "yes" };
|
|
|
|
static void
|
|
col_append_str_gtp(column_info *cinfo, gint el, gchar *proto_name) {
|
|
|
|
int i;
|
|
int max_len;
|
|
gchar _tmp[COL_MAX_LEN];
|
|
|
|
max_len = COL_MAX_LEN;
|
|
|
|
for (i = 0; i < cinfo->num_cols; i++) {
|
|
if (cinfo->fmt_matx[i][el]) {
|
|
if (cinfo->col_data[i] != cinfo->col_buf[i]) {
|
|
|
|
strncpy(cinfo->col_buf[i], cinfo->col_data[i], max_len);
|
|
cinfo->col_buf[i][max_len - 1] = '\0';
|
|
}
|
|
|
|
_tmp[0] = '\0';
|
|
strcat(_tmp, proto_name);
|
|
strcat(_tmp, " <");
|
|
strcat(_tmp, cinfo->col_buf[i]);
|
|
strcat(_tmp, ">");
|
|
cinfo->col_buf[i][0] = '\0';
|
|
strcat(cinfo->col_buf[i], _tmp);
|
|
cinfo->col_data[i] = cinfo->col_buf[i];
|
|
}
|
|
}
|
|
}
|
|
|
|
static gchar *
|
|
id_to_str(const guint8 *ad) {
|
|
|
|
static gchar str[17] = " ";
|
|
guint8 bits8to5, bits4to1;
|
|
int i, j = 0;
|
|
static const gchar hex_digits[10] = "0123456789";
|
|
|
|
for (i = 0; i < 8; i++) {
|
|
bits8to5 = (ad[i] >> 4) & 0x0F;
|
|
bits4to1 = ad[i] & 0x0F;
|
|
if (bits8to5 < 0xA)
|
|
str[j++] = hex_digits[bits4to1];
|
|
if (bits4to1 < 0xA)
|
|
str[j++] = hex_digits[bits8to5];
|
|
}
|
|
str[j] = '\0';
|
|
return str;
|
|
}
|
|
|
|
static gchar *
|
|
imsi_to_str(const guint8 *ad) {
|
|
|
|
static gchar str[17] = " ";
|
|
int i, j = 0;
|
|
|
|
for (i = 0; i < 8; i++) {
|
|
if ((ad[i] & 0x0F) <= 9) str[j++] = (ad[i] & 0x0F) + 0x30;
|
|
if (((ad[i] >> 4) & 0x0F) <= 9) str[j++] = ((ad[i] >> 4) & 0x0F) + 0x30;
|
|
}
|
|
str[j] = '\0';
|
|
|
|
return str;
|
|
}
|
|
|
|
static gchar *
|
|
msisdn_to_str(const guint8 *ad, int len) {
|
|
|
|
static gchar str[18] = "+ ";
|
|
guint8 bits8to5, bits4to1;
|
|
int i, j = 1;
|
|
static const gchar hex_digits[10] = "0123456789";
|
|
|
|
for (i = 1; i < len && i < 9; i++) {
|
|
bits8to5 = (ad[i] >> 4) & 0x0F;
|
|
bits4to1 = ad[i] & 0x0F;
|
|
if (bits4to1 < 0xA)
|
|
str[j++] = hex_digits[bits4to1];
|
|
if (bits8to5 < 0xA)
|
|
str[j++] = hex_digits[bits8to5];
|
|
}
|
|
str[j] = '\0';
|
|
|
|
return str;
|
|
}
|
|
|
|
/* Next definitions and function check_field_presence checks if given field
|
|
* in GTP packet is compliant with ETSI
|
|
*/
|
|
typedef struct _header {
|
|
guint8 code;
|
|
guint8 presence;
|
|
} ext_header;
|
|
|
|
typedef struct _message {
|
|
guint8 code;
|
|
ext_header fields[32];
|
|
} _gtp_mess_items;
|
|
|
|
/* ---------------------
|
|
* GPRS messages
|
|
* ---------------------*/
|
|
static _gtp_mess_items gprs_mess_items[] = {
|
|
|
|
{
|
|
GTP_MSG_ECHO_REQ, {
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_ECHO_RESP, {
|
|
{ GTP_EXT_RECOVER, GTP_MANDATORY },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_VER_NOT_SUPP, {
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_NODE_ALIVE_REQ, {
|
|
{ GTP_EXT_NODE_ADDR, GTP_MANDATORY },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_NODE_ALIVE_RESP, {
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_REDIR_REQ, {
|
|
{ GTP_EXT_CAUSE, GTP_MANDATORY },
|
|
{ GTP_EXT_NODE_ADDR, GTP_OPTIONAL },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_REDIR_RESP, {
|
|
{ GTP_EXT_CAUSE, GTP_MANDATORY },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_CREATE_PDP_REQ, {
|
|
{ GTP_EXT_QOS_GPRS, GTP_MANDATORY },
|
|
{ GTP_EXT_RECOVER, GTP_OPTIONAL },
|
|
{ GTP_EXT_SEL_MODE, GTP_MANDATORY },
|
|
{ GTP_EXT_FLOW_LABEL, GTP_MANDATORY },
|
|
{ GTP_EXT_FLOW_SIG, GTP_MANDATORY },
|
|
{ GTP_EXT_MSISDN, GTP_MANDATORY },
|
|
{ GTP_EXT_USER_ADDR, GTP_MANDATORY },
|
|
{ GTP_EXT_APN, GTP_MANDATORY },
|
|
{ GTP_EXT_PROTO_CONF, GTP_OPTIONAL },
|
|
{ GTP_EXT_GSN_ADDR, GTP_MANDATORY },
|
|
{ GTP_EXT_GSN_ADDR, GTP_MANDATORY },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_CREATE_PDP_RESP, {
|
|
{ GTP_EXT_CAUSE, GTP_MANDATORY },
|
|
{ GTP_EXT_QOS_GPRS, GTP_CONDITIONAL },
|
|
{ GTP_EXT_REORDER, GTP_CONDITIONAL },
|
|
{ GTP_EXT_RECOVER, GTP_OPTIONAL },
|
|
{ GTP_EXT_FLOW_LABEL, GTP_CONDITIONAL },
|
|
{ GTP_EXT_FLOW_SIG, GTP_CONDITIONAL },
|
|
{ GTP_EXT_CHRG_ID, GTP_CONDITIONAL },
|
|
{ GTP_EXT_USER_ADDR, GTP_CONDITIONAL },
|
|
{ GTP_EXT_PROTO_CONF, GTP_OPTIONAL },
|
|
{ GTP_EXT_GSN_ADDR, GTP_CONDITIONAL },
|
|
{ GTP_EXT_GSN_ADDR, GTP_CONDITIONAL },
|
|
{ GTP_EXT_CHRG_ADDR, GTP_OPTIONAL },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_UPDATE_PDP_REQ, {
|
|
{ GTP_EXT_QOS_GPRS, GTP_MANDATORY },
|
|
{ GTP_EXT_RECOVER, GTP_OPTIONAL },
|
|
{ GTP_EXT_FLOW_LABEL, GTP_MANDATORY },
|
|
{ GTP_EXT_FLOW_SIG, GTP_MANDATORY },
|
|
{ GTP_EXT_GSN_ADDR, GTP_MANDATORY },
|
|
{ GTP_EXT_GSN_ADDR, GTP_MANDATORY },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 },
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_UPDATE_PDP_RESP, {
|
|
{ GTP_EXT_CAUSE, GTP_MANDATORY },
|
|
{ GTP_EXT_QOS_GPRS, GTP_CONDITIONAL },
|
|
{ GTP_EXT_RECOVER, GTP_OPTIONAL },
|
|
{ GTP_EXT_FLOW_LABEL, GTP_CONDITIONAL },
|
|
{ GTP_EXT_FLOW_SIG, GTP_CONDITIONAL },
|
|
{ GTP_EXT_CHRG_ID, GTP_CONDITIONAL },
|
|
{ GTP_EXT_GSN_ADDR, GTP_CONDITIONAL },
|
|
{ GTP_EXT_GSN_ADDR, GTP_CONDITIONAL },
|
|
{ GTP_EXT_CHRG_ADDR, GTP_OPTIONAL },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_DELETE_PDP_REQ, {
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_DELETE_PDP_RESP, {
|
|
{ GTP_EXT_CAUSE, GTP_MANDATORY },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 },
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_CREATE_AA_PDP_REQ, {
|
|
{ GTP_EXT_QOS_GPRS, GTP_MANDATORY },
|
|
{ GTP_EXT_RECOVER, GTP_OPTIONAL },
|
|
{ GTP_EXT_SEL_MODE, GTP_MANDATORY },
|
|
{ GTP_EXT_FLOW_LABEL, GTP_MANDATORY },
|
|
{ GTP_EXT_FLOW_SIG, GTP_MANDATORY },
|
|
{ GTP_EXT_USER_ADDR, GTP_MANDATORY },
|
|
{ GTP_EXT_APN, GTP_MANDATORY },
|
|
{ GTP_EXT_PROTO_CONF, GTP_OPTIONAL },
|
|
{ GTP_EXT_GSN_ADDR, GTP_MANDATORY },
|
|
{ GTP_EXT_GSN_ADDR, GTP_MANDATORY },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_CREATE_AA_PDP_RESP, {
|
|
{ GTP_EXT_CAUSE, GTP_MANDATORY },
|
|
{ GTP_EXT_QOS_GPRS, GTP_CONDITIONAL },
|
|
{ GTP_EXT_REORDER, GTP_CONDITIONAL },
|
|
{ GTP_EXT_RECOVER, GTP_OPTIONAL },
|
|
{ GTP_EXT_FLOW_LABEL, GTP_CONDITIONAL },
|
|
{ GTP_EXT_FLOW_SIG, GTP_CONDITIONAL },
|
|
{ GTP_EXT_CHRG_ID, GTP_CONDITIONAL },
|
|
{ GTP_EXT_USER_ADDR, GTP_CONDITIONAL },
|
|
{ GTP_EXT_PROTO_CONF, GTP_OPTIONAL },
|
|
{ GTP_EXT_GSN_ADDR, GTP_CONDITIONAL },
|
|
{ GTP_EXT_GSN_ADDR, GTP_CONDITIONAL },
|
|
{ GTP_EXT_CHRG_ADDR, GTP_OPTIONAL },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_DELETE_AA_PDP_REQ, {
|
|
{ GTP_EXT_CAUSE, GTP_MANDATORY },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_DELETE_AA_PDP_RESP, {
|
|
{ GTP_EXT_CAUSE, GTP_MANDATORY },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_ERR_IND, {
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_PDU_NOTIFY_REQ, {
|
|
{ GTP_EXT_USER_ADDR, GTP_MANDATORY },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_PDU_NOTIFY_RESP, {
|
|
{ GTP_EXT_CAUSE, GTP_MANDATORY },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_PDU_NOTIFY_REJ_REQ, {
|
|
{ GTP_EXT_CAUSE, GTP_MANDATORY },
|
|
{ GTP_EXT_USER_ADDR, GTP_MANDATORY },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_PDU_NOTIFY_REJ_RESP, {
|
|
{ GTP_EXT_CAUSE, GTP_MANDATORY },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_SEND_ROUT_INFO_REQ, {
|
|
{ GTP_EXT_IMSI, GTP_MANDATORY },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_SEND_ROUT_INFO_RESP, {
|
|
{ GTP_EXT_CAUSE, GTP_MANDATORY },
|
|
{ GTP_EXT_IMSI, GTP_MANDATORY },
|
|
{ GTP_EXT_MAP_CAUSE, GTP_OPTIONAL },
|
|
{ GTP_EXT_MS_REASON, GTP_OPTIONAL },
|
|
{ GTP_EXT_GSN_ADDR, GTP_OPTIONAL },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_FAIL_REP_REQ, {
|
|
{ GTP_EXT_IMSI, GTP_MANDATORY },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_FAIL_REP_RESP, {
|
|
{ GTP_EXT_CAUSE, GTP_MANDATORY },
|
|
{ GTP_EXT_MAP_CAUSE, GTP_OPTIONAL },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_MS_PRESENT_REQ, {
|
|
{ GTP_EXT_IMSI, GTP_MANDATORY },
|
|
{ GTP_EXT_GSN_ADDR, GTP_MANDATORY },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_MS_PRESENT_RESP, {
|
|
{ GTP_EXT_CAUSE, GTP_MANDATORY },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_IDENT_REQ, {
|
|
{ GTP_EXT_RAI, GTP_MANDATORY },
|
|
{ GTP_EXT_PTMSI, GTP_MANDATORY },
|
|
{ GTP_EXT_PTMSI_SIG, GTP_OPTIONAL },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_IDENT_RESP, {
|
|
{ GTP_EXT_CAUSE, GTP_MANDATORY },
|
|
{ GTP_EXT_IMSI, GTP_CONDITIONAL },
|
|
{ GTP_EXT_AUTH_TRI, GTP_OPTIONAL },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_SGSN_CNTXT_REQ, {
|
|
{ GTP_EXT_IMSI, GTP_CONDITIONAL },
|
|
{ GTP_EXT_RAI, GTP_MANDATORY },
|
|
{ GTP_EXT_TLLI, GTP_MANDATORY },
|
|
{ GTP_EXT_PTMSI_SIG, GTP_OPTIONAL },
|
|
{ GTP_EXT_MS_VALID, GTP_OPTIONAL },
|
|
{ GTP_EXT_FLOW_SIG, GTP_MANDATORY },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_SGSN_CNTXT_RESP, {
|
|
{ GTP_EXT_CAUSE, GTP_MANDATORY },
|
|
{ GTP_EXT_IMSI, GTP_CONDITIONAL },
|
|
{ GTP_EXT_FLOW_SIG, GTP_CONDITIONAL },
|
|
{ GTP_EXT_MM_CNTXT, GTP_CONDITIONAL },
|
|
{ GTP_EXT_PDP_CNTXT, GTP_CONDITIONAL },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_SGSN_CNTXT_ACK, {
|
|
{ GTP_EXT_CAUSE, GTP_MANDATORY },
|
|
{ GTP_EXT_FLOW_II, GTP_CONDITIONAL },
|
|
{ GTP_EXT_GSN_ADDR, GTP_CONDITIONAL },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_DATA_TRANSF_REQ, {
|
|
{ GTP_EXT_TR_COMM, GTP_MANDATORY },
|
|
{ GTP_EXT_DATA_REQ, GTP_CONDITIONAL },
|
|
{ GTP_EXT_REL_PACK, GTP_CONDITIONAL },
|
|
{ GTP_EXT_CAN_PACK, GTP_CONDITIONAL },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_DATA_TRANSF_RESP, {
|
|
{ GTP_EXT_CAUSE, GTP_MANDATORY },
|
|
{ GTP_EXT_DATA_RESP, GTP_MANDATORY },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
0, {
|
|
{ 0, 0 }
|
|
}
|
|
}
|
|
};
|
|
|
|
/* -----------------------------
|
|
* UMTS messages
|
|
* -----------------------------*/
|
|
static _gtp_mess_items umts_mess_items[] = {
|
|
|
|
{
|
|
GTP_MSG_ECHO_REQ, {
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_ECHO_RESP, {
|
|
{ GTP_EXT_RECOVER, GTP_MANDATORY },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_VER_NOT_SUPP, {
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_NODE_ALIVE_REQ, {
|
|
{ GTP_EXT_NODE_ADDR, GTP_MANDATORY },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_NODE_ALIVE_RESP, {
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_REDIR_REQ, {
|
|
{ GTP_EXT_CAUSE, GTP_MANDATORY },
|
|
{ GTP_EXT_NODE_ADDR, GTP_OPTIONAL },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_REDIR_REQ, {
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_CREATE_PDP_REQ, {
|
|
{ GTP_EXT_IMSI, GTP_CONDITIONAL },
|
|
{ GTP_EXT_RECOVER, GTP_OPTIONAL },
|
|
{ GTP_EXT_SEL_MODE, GTP_CONDITIONAL },
|
|
{ GTP_EXT_TEID, GTP_MANDATORY },
|
|
{ GTP_EXT_TEID_CP, GTP_CONDITIONAL },
|
|
{ GTP_EXT_NSAPI, GTP_MANDATORY },
|
|
{ GTP_EXT_NSAPI, GTP_CONDITIONAL },
|
|
{ GTP_EXT_CHRG_CHAR, GTP_OPTIONAL },
|
|
{ GTP_EXT_TRACE_REF, GTP_OPTIONAL },
|
|
{ GTP_EXT_TRACE_TYPE, GTP_OPTIONAL },
|
|
{ GTP_EXT_USER_ADDR, GTP_CONDITIONAL },
|
|
{ GTP_EXT_APN, GTP_CONDITIONAL },
|
|
{ GTP_EXT_PROTO_CONF, GTP_CONDITIONAL },
|
|
{ GTP_EXT_GSN_ADDR, GTP_MANDATORY },
|
|
{ GTP_EXT_GSN_ADDR, GTP_MANDATORY },
|
|
{ GTP_EXT_MSISDN, GTP_CONDITIONAL },
|
|
{ GTP_EXT_QOS_UMTS, GTP_MANDATORY },
|
|
{ GTP_EXT_TFT, GTP_CONDITIONAL },
|
|
{ GTP_EXT_TRIGGER_ID, GTP_OPTIONAL },
|
|
{ GTP_EXT_OMC_ID, GTP_OPTIONAL },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_CREATE_PDP_RESP, {
|
|
{ GTP_EXT_CAUSE, GTP_MANDATORY },
|
|
{ GTP_EXT_REORDER, GTP_CONDITIONAL },
|
|
{ GTP_EXT_RECOVER, GTP_OPTIONAL },
|
|
{ GTP_EXT_TEID, GTP_CONDITIONAL },
|
|
{ GTP_EXT_TEID_CP, GTP_CONDITIONAL },
|
|
{ GTP_EXT_CHRG_ID, GTP_CONDITIONAL },
|
|
{ GTP_EXT_USER_ADDR, GTP_CONDITIONAL },
|
|
{ GTP_EXT_PROTO_CONF, GTP_OPTIONAL },
|
|
{ GTP_EXT_GSN_ADDR, GTP_CONDITIONAL },
|
|
{ GTP_EXT_GSN_ADDR, GTP_CONDITIONAL },
|
|
{ GTP_EXT_QOS_UMTS, GTP_CONDITIONAL },
|
|
{ GTP_EXT_CHRG_ADDR, GTP_OPTIONAL },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{ /* checked, SGSN -> GGSN */
|
|
GTP_MSG_UPDATE_PDP_REQ, {
|
|
{ GTP_EXT_IMSI, GTP_CONDITIONAL },
|
|
{ GTP_EXT_RECOVER, GTP_OPTIONAL },
|
|
{ GTP_EXT_TEID, GTP_MANDATORY },
|
|
{ GTP_EXT_TEID_CP, GTP_CONDITIONAL },
|
|
{ GTP_EXT_NSAPI, GTP_MANDATORY },
|
|
{ GTP_EXT_TRACE_REF, GTP_OPTIONAL },
|
|
{ GTP_EXT_TRACE_TYPE, GTP_OPTIONAL },
|
|
{ GTP_EXT_GSN_ADDR, GTP_MANDATORY },
|
|
{ GTP_EXT_GSN_ADDR, GTP_MANDATORY },
|
|
{ GTP_EXT_QOS_UMTS, GTP_MANDATORY },
|
|
{ GTP_EXT_TFT, GTP_OPTIONAL },
|
|
{ GTP_EXT_TRIGGER_ID, GTP_OPTIONAL },
|
|
{ GTP_EXT_OMC_ID, GTP_OPTIONAL },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{ /* checked, GGSN -> SGSN */
|
|
GTP_MSG_UPDATE_PDP_RESP, {
|
|
{ GTP_EXT_CAUSE, GTP_MANDATORY },
|
|
{ GTP_EXT_RECOVER, GTP_OPTIONAL },
|
|
{ GTP_EXT_TEID, GTP_CONDITIONAL },
|
|
{ GTP_EXT_TEID_CP, GTP_CONDITIONAL },
|
|
{ GTP_EXT_CHRG_ID, GTP_CONDITIONAL },
|
|
{ GTP_EXT_GSN_ADDR, GTP_CONDITIONAL },
|
|
{ GTP_EXT_GSN_ADDR, GTP_CONDITIONAL },
|
|
{ GTP_EXT_QOS_UMTS, GTP_CONDITIONAL },
|
|
{ GTP_EXT_CHRG_ADDR, GTP_OPTIONAL },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_DELETE_PDP_REQ, {
|
|
{ GTP_EXT_TEAR_IND, GTP_CONDITIONAL },
|
|
{ GTP_EXT_NSAPI, GTP_MANDATORY },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_DELETE_PDP_RESP, {
|
|
{ GTP_EXT_CAUSE, GTP_MANDATORY },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_ERR_IND, {
|
|
{ GTP_EXT_TEID, GTP_MANDATORY },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_PDU_NOTIFY_REQ, {
|
|
{ GTP_EXT_IMSI, GTP_MANDATORY },
|
|
{ GTP_EXT_TEID_CP, GTP_MANDATORY },
|
|
{ GTP_EXT_USER_ADDR, GTP_MANDATORY },
|
|
{ GTP_EXT_APN, GTP_MANDATORY },
|
|
{ GTP_EXT_GSN_ADDR, GTP_MANDATORY },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_PDU_NOTIFY_RESP, {
|
|
{ GTP_EXT_CAUSE, GTP_MANDATORY },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_PDU_NOTIFY_REJ_REQ, {
|
|
{ GTP_EXT_CAUSE, GTP_MANDATORY },
|
|
{ GTP_EXT_TEID_CP, GTP_MANDATORY },
|
|
{ GTP_EXT_USER_ADDR, GTP_MANDATORY },
|
|
{ GTP_EXT_APN, GTP_MANDATORY },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_PDU_NOTIFY_REJ_RESP, {
|
|
{ GTP_EXT_CAUSE, GTP_MANDATORY },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_SUPP_EXT_HDR, {
|
|
{ GTP_EXT_HDR_LIST, GTP_MANDATORY },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_SEND_ROUT_INFO_REQ, {
|
|
{ GTP_EXT_IMSI, GTP_MANDATORY },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_SEND_ROUT_INFO_RESP, {
|
|
{ GTP_EXT_CAUSE, GTP_MANDATORY },
|
|
{ GTP_EXT_IMSI, GTP_MANDATORY },
|
|
{ GTP_EXT_MAP_CAUSE, GTP_OPTIONAL },
|
|
{ GTPv1_EXT_MS_REASON, GTP_OPTIONAL },
|
|
{ GTP_EXT_GSN_ADDR, GTP_OPTIONAL },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_FAIL_REP_REQ, {
|
|
{ GTP_EXT_IMSI, GTP_MANDATORY },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_FAIL_REP_RESP, {
|
|
{ GTP_EXT_CAUSE, GTP_MANDATORY },
|
|
{ GTP_EXT_MAP_CAUSE, GTP_OPTIONAL },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_MS_PRESENT_REQ, {
|
|
{ GTP_EXT_IMSI, GTP_MANDATORY },
|
|
{ GTP_EXT_GSN_ADDR, GTP_MANDATORY },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_MS_PRESENT_RESP, {
|
|
{ GTP_EXT_CAUSE, GTP_MANDATORY },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_IDENT_REQ, {
|
|
{ GTP_EXT_RAI, GTP_MANDATORY },
|
|
{ GTP_EXT_PTMSI, GTP_MANDATORY },
|
|
{ GTP_EXT_PTMSI_SIG, GTP_CONDITIONAL },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_IDENT_RESP, {
|
|
{ GTP_EXT_CAUSE, GTP_MANDATORY },
|
|
{ GTP_EXT_IMSI, GTP_CONDITIONAL },
|
|
{ GTP_EXT_AUTH_TRI, GTP_CONDITIONAL },
|
|
{ GTP_EXT_AUTH_QUI, GTP_CONDITIONAL },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_SGSN_CNTXT_REQ, {
|
|
{ GTP_EXT_IMSI, GTP_CONDITIONAL },
|
|
{ GTP_EXT_RAI, GTP_MANDATORY },
|
|
{ GTP_EXT_TLLI, GTP_CONDITIONAL },
|
|
{ GTP_EXT_PTMSI, GTP_CONDITIONAL },
|
|
{ GTP_EXT_PTMSI_SIG, GTP_CONDITIONAL },
|
|
{ GTP_EXT_MS_VALID, GTP_OPTIONAL },
|
|
{ GTP_EXT_TEID_CP, GTP_MANDATORY },
|
|
{ GTP_EXT_GSN_ADDR, GTP_MANDATORY },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_SGSN_CNTXT_RESP, {
|
|
{ GTP_EXT_CAUSE, GTP_MANDATORY },
|
|
{ GTP_EXT_IMSI, GTP_CONDITIONAL },
|
|
{ GTP_EXT_TEID_CP, GTP_CONDITIONAL },
|
|
{ GTP_EXT_RP_SMS, GTP_OPTIONAL },
|
|
{ GTP_EXT_RP, GTP_OPTIONAL },
|
|
{ GTP_EXT_PKT_FLOW_ID, GTP_OPTIONAL },
|
|
{ GTP_EXT_MM_CNTXT, GTP_CONDITIONAL },
|
|
{ GTP_EXT_PDP_CNTXT, GTP_CONDITIONAL },
|
|
{ GTP_EXT_GSN_ADDR, GTP_CONDITIONAL },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_SGSN_CNTXT_ACK, {
|
|
{ GTP_EXT_CAUSE, GTP_MANDATORY },
|
|
{ GTP_EXT_TEID_II, GTP_CONDITIONAL },
|
|
{ GTP_EXT_GSN_ADDR, GTP_CONDITIONAL },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_FORW_RELOC_REQ, {
|
|
{ GTP_EXT_IMSI, GTP_MANDATORY },
|
|
{ GTP_EXT_TEID_CP, GTP_MANDATORY },
|
|
{ GTP_EXT_RANAP_CAUSE, GTP_MANDATORY },
|
|
{ GTP_EXT_MM_CNTXT, GTP_MANDATORY },
|
|
{ GTP_EXT_PDP_CNTXT, GTP_CONDITIONAL },
|
|
{ GTP_EXT_GSN_ADDR, GTP_MANDATORY },
|
|
{ GTP_EXT_TARGET_ID, GTP_MANDATORY },
|
|
{ GTP_EXT_UTRAN_CONT, GTP_MANDATORY },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_FORW_RELOC_RESP, {
|
|
{ GTP_EXT_CAUSE, GTP_MANDATORY },
|
|
{ GTP_EXT_TEID_CP, GTP_CONDITIONAL },
|
|
{ GTP_EXT_RANAP_CAUSE, GTP_CONDITIONAL },
|
|
{ GTP_EXT_GSN_ADDR, GTP_CONDITIONAL },
|
|
{ GTP_EXT_UTRAN_CONT, GTP_OPTIONAL },
|
|
{ GTP_EXT_RAB_SETUP, GTP_CONDITIONAL },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_FORW_RELOC_COMP, {
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_RELOC_CANCEL_REQ, {
|
|
{ GTP_EXT_IMSI, GTP_MANDATORY },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_RELOC_CANCEL_RESP, {
|
|
{ GTP_EXT_CAUSE, GTP_MANDATORY },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_FORW_RELOC_ACK, {
|
|
{ GTP_EXT_CAUSE, GTP_MANDATORY },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_FORW_SRNS_CNTXT, {
|
|
{ GTP_EXT_RAB_CNTXT, GTP_MANDATORY },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_FORW_SRNS_CNTXT_ACK, {
|
|
{ GTP_EXT_CAUSE, GTP_MANDATORY },
|
|
{ GTP_EXT_PRIV_EXT, GTP_OPTIONAL },
|
|
{ 0, 0 }
|
|
}
|
|
},
|
|
{
|
|
0, {
|
|
{ 0, 0 }
|
|
}
|
|
}
|
|
};
|
|
|
|
static int
|
|
check_field_presence(guint8 message, guint8 field, int *position) {
|
|
|
|
guint i = 0;
|
|
_gtp_mess_items *mess_items;
|
|
|
|
switch(gtp_version) {
|
|
case 0:
|
|
mess_items = gprs_mess_items;
|
|
break;
|
|
case 1:
|
|
mess_items = umts_mess_items;
|
|
break;
|
|
default:
|
|
return -2;
|
|
}
|
|
|
|
while (mess_items[i].code) {
|
|
if (mess_items[i].code == message) {
|
|
|
|
while (mess_items[i].fields[*position].code) {
|
|
if (mess_items[i].fields[*position].code == field) {
|
|
(*position)++;
|
|
return 0;
|
|
} else {
|
|
if (mess_items[i].fields[*position].presence == GTP_MANDATORY) {
|
|
return mess_items[i].fields[(*position)++].code;
|
|
} else {
|
|
(*position)++;
|
|
}}
|
|
}
|
|
return -1;
|
|
}
|
|
i++;
|
|
}
|
|
|
|
return -2;
|
|
}
|
|
|
|
/* Decoders of fields in extension headers, each function returns no of bytes from field */
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter
|
|
* UMTS: 29.060 v4.0, chapter
|
|
*/
|
|
static int
|
|
decode_gtp_cause(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
guint8 cause;
|
|
|
|
cause = tvb_get_guint8(tvb, offset+1);
|
|
|
|
proto_tree_add_uint(tree, hf_gtp_cause, tvb, offset, 2, cause);
|
|
|
|
return 2;
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.2
|
|
* UMTS: 29.060 v4.0, chapter 7.7.2
|
|
*/
|
|
static int
|
|
decode_gtp_imsi(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
guint8 imsi_val[8];
|
|
gchar *imsi_str;
|
|
|
|
tvb_memcpy(tvb, imsi_val, offset+1, 8);
|
|
imsi_str = imsi_to_str (imsi_val);
|
|
|
|
proto_tree_add_string (tree, hf_gtp_imsi, tvb, offset, 9, imsi_str);
|
|
|
|
return 9;
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.3
|
|
* UMTS: 29.060 v4.0, chapter 7.7.3
|
|
*/
|
|
static int
|
|
decode_gtp_rai(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
proto_tree *ext_tree_rai;
|
|
proto_item *te;
|
|
guint8 byte[3];
|
|
guint16 mnc, mcc;
|
|
|
|
te = proto_tree_add_text(tree, tvb, offset, 1, val_to_str(GTP_EXT_RAI, gtp_val, "Unknown message"));
|
|
ext_tree_rai = proto_item_add_subtree(te, ett_gtp_rai);
|
|
|
|
byte[1] = tvb_get_guint8 (tvb, offset + 1);
|
|
byte[2] = tvb_get_guint8 (tvb, offset + 2);
|
|
byte[3] = tvb_get_guint8 (tvb, offset + 3);
|
|
mcc = (byte[1] & 0x0F) * 100 + ((byte[1] & 0xF0) >> 4) * 10 + (byte[2] & 0x0F );
|
|
if ((byte[2] & 0xF0) == 0xF0)
|
|
mnc = (byte[3] & 0x0F) * 10 + ((byte[3] & 0xF0) >> 4);
|
|
else
|
|
mnc = (byte[3] & 0x0F) * 100 + ((byte[3] & 0xF0) >> 4 ) * 10 + ((byte[2] & 0xF0) >> 4);
|
|
|
|
proto_tree_add_uint(ext_tree_rai, hf_gtp_rai_mcc, tvb, offset+1, 2, mcc);
|
|
proto_tree_add_uint(ext_tree_rai, hf_gtp_rai_mnc, tvb, offset+2, 2, mnc);
|
|
proto_tree_add_uint(ext_tree_rai, hf_gtp_rai_lac, tvb, offset+4, 2, tvb_get_ntohs (tvb, offset+4));
|
|
proto_tree_add_uint(ext_tree_rai, hf_gtp_rai_rac, tvb, offset+6, 1, tvb_get_guint8 (tvb, offset+6));
|
|
|
|
return 7;
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.4, page 39
|
|
* UMTS: 29.060 v4.0, chapter 7.7.4, page 47
|
|
*/
|
|
static int
|
|
decode_gtp_tlli(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
guint32 tlli;
|
|
|
|
tlli = tvb_get_ntohl(tvb, offset+1);
|
|
proto_tree_add_uint(tree, hf_gtp_tlli, tvb, offset, 5, tlli);
|
|
|
|
return 5;
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.5, page 39
|
|
* UMTS: 29.060 v4.0, chapter 7.7.5, page 47
|
|
*/
|
|
static int
|
|
decode_gtp_ptmsi(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
guint32 ptmsi;
|
|
|
|
ptmsi = tvb_get_ntohl (tvb, offset+1);
|
|
proto_tree_add_uint (tree, hf_gtp_ptmsi, tvb, offset, 5, ptmsi);
|
|
|
|
return 5;
|
|
}
|
|
|
|
/* adjust - how many bytes before offset should be highlighted
|
|
*/
|
|
static int
|
|
decode_qos_gprs(tvbuff_t *tvb, int offset, proto_tree *tree, gchar* qos_str, guint8 adjust) {
|
|
|
|
guint8 spare1, delay, reliability, peak, spare2, precedence, spare3, mean;
|
|
proto_tree *ext_tree_qos;
|
|
proto_item *te;
|
|
|
|
spare1 = tvb_get_guint8(tvb, offset) & 0xC0;
|
|
delay = tvb_get_guint8(tvb, offset) & 0x38;
|
|
reliability = tvb_get_guint8(tvb, offset) & 0x07;
|
|
peak = tvb_get_guint8(tvb, offset+1) & 0xF0;
|
|
spare2 = tvb_get_guint8(tvb, offset+1) & 0x08;
|
|
precedence = tvb_get_guint8(tvb, offset+1) & 0x07;
|
|
spare3 = tvb_get_guint8(tvb, offset+2) & 0xE0;
|
|
mean = tvb_get_guint8(tvb, offset+2) & 0x1F;
|
|
|
|
te = proto_tree_add_text(tree, tvb, offset-adjust, 3+adjust, "%s: delay: %u, reliability: %u, peak: %u, precedence: %u, mean: %u",
|
|
qos_str, (delay >> 3) & 0x07, reliability, (peak >> 4) & 0x0F, precedence, mean);
|
|
ext_tree_qos = proto_item_add_subtree(te, ett_gtp_qos);
|
|
|
|
if (adjust != 0) {
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_spare1, tvb, offset, 1, spare1);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_delay, tvb, offset, 1, delay);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_reliability, tvb, offset, 1, reliability);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_peak, tvb, offset+1, 1, peak);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_spare2, tvb, offset+1, 1, spare2);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_precedence, tvb, offset+1, 1, precedence);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_spare3, tvb, offset+2, 1, spare3);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_mean, tvb, offset+2, 1, mean);
|
|
}
|
|
|
|
return 3;
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.6, page 39
|
|
* 4.08
|
|
* 3.60
|
|
* UMTS: not present
|
|
* TODO: check if length is included: ETSI 4.08 vs 9.60
|
|
*/
|
|
static int
|
|
decode_gtp_qos_gprs(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
return (1+decode_qos_gprs(tvb, offset+1, tree, "Quality of Service", 1));
|
|
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.7, page 39
|
|
* UMTS: 29.060 v4.0, chapter 7.7.6, page 47
|
|
*/
|
|
static int
|
|
decode_gtp_reorder(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
guint8 reorder;
|
|
|
|
reorder = tvb_get_guint8(tvb, offset+1) & 0x01;
|
|
proto_tree_add_boolean(tree, hf_gtp_reorder, tvb, offset, 2, reorder);
|
|
|
|
return 2;
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.8, page 40
|
|
* 4.08 v7.1.2, chapter 10.5.3.1+
|
|
* UMTS: 29.060 v4.0, chapter 7.7.7
|
|
* TODO: Add blurb support by registering items in the protocol registration
|
|
*/
|
|
static int
|
|
decode_gtp_auth_tri(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
proto_tree *ext_tree_auth_tri;
|
|
proto_item *te;
|
|
|
|
te = proto_tree_add_text(tree, tvb, offset, 29, val_to_str(GTP_EXT_AUTH_TRI, gtp_val, "Unknown message"));
|
|
ext_tree_auth_tri = proto_item_add_subtree(tree, ett_gtp_auth_tri);
|
|
|
|
proto_tree_add_text(ext_tree_auth_tri, tvb, offset+1, 16, "RAND: %s", tvb_bytes_to_str(tvb, offset+1, 16));
|
|
proto_tree_add_text(ext_tree_auth_tri, tvb, offset+17, 4, "SRES: %s", tvb_bytes_to_str(tvb, offset+17, 4));
|
|
proto_tree_add_text(ext_tree_auth_tri, tvb, offset+21, 8, "Kc: %s", tvb_bytes_to_str(tvb, offset+21, 8));
|
|
|
|
return 1+16+4+8;
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.9, page 40
|
|
* 9.02 v7.7.0, page 1090
|
|
* UMTS: 29.060 v4.0, chapter 7.7.8, page 48
|
|
* 29.002 v4.2.1, chapter 17.5, page 268
|
|
*/
|
|
static int
|
|
decode_gtp_map_cause(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
guint8 map_cause;
|
|
|
|
map_cause = tvb_get_guint8(tvb, offset+1);
|
|
proto_tree_add_uint (tree, hf_gtp_map_cause, tvb, offset, 2, map_cause);
|
|
|
|
return 2;
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.10, page 41
|
|
* UMTS: 29.060 v4.0, chapter 7.7.9, page 48
|
|
*/
|
|
static int
|
|
decode_gtp_ptmsi_sig(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
guint32 ptmsi_sig;
|
|
|
|
ptmsi_sig = tvb_get_ntoh24(tvb, offset+1);
|
|
proto_tree_add_uint(tree, hf_gtp_ptmsi_sig, tvb, offset, 4, ptmsi_sig);
|
|
|
|
return 4;
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.11, page 41
|
|
* UMTS: 29.060 v4.0, chapter 7.7.10, page 49
|
|
*/
|
|
static int
|
|
decode_gtp_ms_valid(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
guint8 ms_valid;
|
|
|
|
ms_valid = tvb_get_guint8(tvb, offset+1) & 0x01;
|
|
proto_tree_add_boolean (tree, hf_gtp_ms_valid, tvb, offset, 2, ms_valid);
|
|
|
|
return 2;
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.12, page 41
|
|
* UMTS: 29.060 v4.0, chapter 7.7.11, page 49
|
|
*/
|
|
static int
|
|
decode_gtp_recovery(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
guint8 recovery;
|
|
|
|
recovery = tvb_get_guint8(tvb, offset+1);
|
|
proto_tree_add_uint (tree, hf_gtp_recovery, tvb, offset, 2, recovery);
|
|
|
|
return 2;
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.13, page 42
|
|
* UMTS: 29.060 v4.0, chapter 7.7.12, page 49
|
|
*/
|
|
static int
|
|
decode_gtp_sel_mode(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
guint8 sel_mode;
|
|
|
|
sel_mode = tvb_get_guint8(tvb, offset+1) & 0x03;
|
|
proto_tree_add_uint(tree, hf_gtp_sel_mode, tvb, offset, 2, sel_mode);
|
|
|
|
return 2;
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.14, page 42
|
|
* UMTS: 29.060 v4.0, chapter 7.7.13, page 50
|
|
*/
|
|
static int
|
|
decode_gtp_16(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
guint16 ext_flow_label;
|
|
guint32 teid_data;
|
|
|
|
switch (gtp_version) {
|
|
case 0:
|
|
ext_flow_label = tvb_get_ntohs(tvb, offset+1);
|
|
proto_tree_add_uint(tree, hf_gtp_ext_flow_label, tvb, offset, 3, ext_flow_label);
|
|
|
|
return 3;
|
|
case 1:
|
|
teid_data = tvb_get_ntohl(tvb, offset+1);
|
|
proto_tree_add_uint(tree, hf_gtp_teid_data, tvb, offset, 5, teid_data);
|
|
|
|
return 5;
|
|
default:
|
|
proto_tree_add_text(tree, tvb, offset, 1, "Flow label/TEID Data I : GTP version not supported");
|
|
|
|
return 3;
|
|
}
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.15, page 42
|
|
* UMTS: 29.060 v4.0, chapter 7.7.14, page 42
|
|
*/
|
|
static int
|
|
decode_gtp_17(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
guint16 flow_sig;
|
|
guint32 teid_cp;
|
|
|
|
switch (gtp_version) {
|
|
case 0:
|
|
flow_sig = tvb_get_ntohs(tvb, offset+1);
|
|
proto_tree_add_uint (tree, hf_gtp_flow_sig, tvb, offset, 3, flow_sig);
|
|
return 3;
|
|
case 1:
|
|
teid_cp = tvb_get_ntohl(tvb, offset+1);
|
|
proto_tree_add_uint (tree, hf_gtp_teid_cp, tvb, offset, 5, teid_cp);
|
|
return 5;
|
|
default:
|
|
proto_tree_add_text(tree, tvb, offset, 1, "Flow label signalling/TEID control plane : GTP version not supported");
|
|
return 3;
|
|
}
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.16, page 42
|
|
* UMTS: 29.060 v4.0, chapter 7.7.15, page 51
|
|
*/
|
|
static int
|
|
decode_gtp_18(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
guint16 flow_ii;
|
|
guint32 teid_ii;
|
|
proto_tree *ext_tree_flow_ii;
|
|
proto_item *te;
|
|
|
|
switch (gtp_version) {
|
|
case 0:
|
|
te = proto_tree_add_text(tree, tvb, offset, 4, val_to_str(GTP_EXT_FLOW_II, gtp_val, "Unknown message"));
|
|
ext_tree_flow_ii = proto_item_add_subtree (te, ett_gtp_flow_ii);
|
|
|
|
proto_tree_add_uint(ext_tree_flow_ii, hf_gtp_nsapi, tvb, offset+1, 1, tvb_get_guint8(tvb, offset+1) & 0x0F);
|
|
|
|
flow_ii = tvb_get_ntohs(tvb, offset+2);
|
|
proto_tree_add_uint(ext_tree_flow_ii, hf_gtp_flow_ii, tvb, offset+2, 2, flow_ii);
|
|
|
|
return 4;
|
|
case 1:
|
|
te = proto_tree_add_text (tree, tvb, offset, 6, val_to_str(GTP_EXT_TEID_II, gtp_val, "Unknown message"));
|
|
ext_tree_flow_ii = proto_item_add_subtree(te, ett_gtp_flow_ii);
|
|
|
|
proto_tree_add_uint(ext_tree_flow_ii, hf_gtp_nsapi, tvb, offset+1, 1, tvb_get_guint8(tvb, offset+1) & 0x0F);
|
|
|
|
|
|
teid_ii = tvb_get_ntohl(tvb, offset+2);
|
|
proto_tree_add_uint(ext_tree_flow_ii, hf_gtp_teid_ii, tvb, offset+2, 4, teid_ii);
|
|
|
|
return 6;
|
|
default:
|
|
proto_tree_add_text(tree, tvb, offset, 1, "Flow data II/TEID Data II : GTP Version not supported");
|
|
|
|
return 4;
|
|
}
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.16A, page 43
|
|
* UMTS: 29.060 v4.0, chapter 7.7.16, page 51
|
|
* Check if all ms_reason types are included
|
|
*/
|
|
static int
|
|
decode_gtp_19(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
guint8 field19;
|
|
|
|
field19 = tvb_get_guint8(tvb, offset+1);
|
|
|
|
switch (gtp_version) {
|
|
case 0:
|
|
proto_tree_add_uint(tree, hf_gtp_ms_reason, tvb, offset, 2, field19);
|
|
break;
|
|
case 1:
|
|
proto_tree_add_boolean(tree, hf_gtp_tear_ind, tvb, offset, 2, field19 & 0x01);
|
|
break;
|
|
default:
|
|
proto_tree_add_text(tree, tvb, offset, 1, "Information Element Type = 19 : GTP Version not supported");
|
|
break;
|
|
}
|
|
|
|
return 2;
|
|
}
|
|
|
|
/* GPRS: not present
|
|
* UMTS: 29.060 v4.0, chapter 7.7.17, page 51
|
|
*/
|
|
static int
|
|
decode_gtp_nsapi(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
guint8 nsapi;
|
|
|
|
nsapi = tvb_get_guint8(tvb, offset+1) & 0x0F;
|
|
proto_tree_add_uint(tree, hf_gtp_nsapi, tvb, offset, 2, nsapi);
|
|
|
|
return 2;
|
|
}
|
|
|
|
/* GPRS: not present
|
|
* UMTS: 29.060 v4.0, chapter 7.7.18, page 52
|
|
*/
|
|
static int
|
|
decode_gtp_ranap_cause(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
guint8 ranap;
|
|
|
|
ranap = tvb_get_guint8(tvb, offset+1);
|
|
|
|
if(ranap > 0 && ranap <=64)
|
|
proto_tree_add_uint_format(tree, hf_gtp_ranap_cause, tvb, offset, 2,
|
|
ranap, "%s (Radio Network Layer Cause) : %s (%u)",
|
|
val_to_str(GTP_EXT_RANAP_CAUSE, gtp_val, "Unknown"),
|
|
val_to_str(ranap, ranap_cause_type, "Unknown RANAP Cause"), ranap);
|
|
|
|
if(ranap > 64 && ranap <=80)
|
|
proto_tree_add_uint_format(tree, hf_gtp_ranap_cause, tvb, offset, 2,
|
|
ranap, "%s (Transport Layer Cause) : %s (%u)",
|
|
val_to_str(GTP_EXT_RANAP_CAUSE, gtp_val, "Unknown"),
|
|
val_to_str(ranap, ranap_cause_type, "Unknown RANAP Cause"), ranap);
|
|
|
|
if(ranap > 80 && ranap <=96)
|
|
proto_tree_add_uint_format(tree, hf_gtp_ranap_cause, tvb, offset, 2,
|
|
ranap, "%s (NAS Cause) : %s (%u)",
|
|
val_to_str(GTP_EXT_RANAP_CAUSE, gtp_val, "Unknown"),
|
|
val_to_str(ranap, ranap_cause_type, "Unknown RANAP Cause"), ranap);
|
|
|
|
if(ranap > 96 && ranap <=112)
|
|
proto_tree_add_uint_format(tree, hf_gtp_ranap_cause, tvb, offset, 2, ranap,
|
|
"%s (Protocol Cause) : %s (%u)",
|
|
val_to_str(GTP_EXT_RANAP_CAUSE, gtp_val, "Unknown"),
|
|
val_to_str(ranap, ranap_cause_type, "Unknown RANAP Cause"), ranap);
|
|
|
|
if(ranap > 112 && ranap <=128)
|
|
proto_tree_add_uint_format(tree, hf_gtp_ranap_cause, tvb, offset, 2, ranap,
|
|
"%s (Miscellaneous Cause) : %s (%u)",
|
|
val_to_str(GTP_EXT_RANAP_CAUSE, gtp_val, "Unknown"),
|
|
val_to_str(ranap, ranap_cause_type, "Unknown RANAP Cause"), ranap);
|
|
|
|
if(ranap > 128 /* && ranap <=255 */)
|
|
proto_tree_add_uint_format(tree, hf_gtp_ranap_cause, tvb, offset, 2, ranap,
|
|
"%s (Non-standard Cause) : %s (%u)",
|
|
val_to_str(GTP_EXT_RANAP_CAUSE, gtp_val, "Unknown"),
|
|
val_to_str(ranap, ranap_cause_type, "Unknown RANAP Cause"), ranap);
|
|
|
|
return 2;
|
|
}
|
|
|
|
/* GPRS: not present
|
|
* UMTS: 29.060 v4.0, chapter 7.7.19, page 52
|
|
*/
|
|
static int
|
|
decode_gtp_rab_cntxt(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
guint8 nsapi, dl_pdcp_seq, ul_pdcp_seq;
|
|
guint16 dl_gtpu_seq, ul_gtpu_seq;
|
|
proto_tree *ext_tree_rab_cntxt;
|
|
proto_item *te;
|
|
|
|
te = proto_tree_add_text(tree, tvb, offset, 8, val_to_str(GTP_EXT_RAB_CNTXT, gtp_val, "Unknown message"));
|
|
ext_tree_rab_cntxt = proto_item_add_subtree(te, ett_gtp_rab_cntxt);
|
|
|
|
nsapi = tvb_get_guint8(tvb, offset+1) & 0x0F;
|
|
dl_gtpu_seq = tvb_get_ntohs(tvb, offset+2);
|
|
ul_gtpu_seq = tvb_get_ntohs(tvb, offset+4);
|
|
dl_pdcp_seq = tvb_get_guint8(tvb, offset+6);
|
|
ul_pdcp_seq = tvb_get_guint8(tvb, offset+7);
|
|
|
|
proto_tree_add_uint (ext_tree_rab_cntxt, hf_gtp_nsapi, tvb, offset+1, 1, nsapi);
|
|
proto_tree_add_uint(ext_tree_rab_cntxt, hf_gtp_rab_gtpu_dn, tvb, offset+2, 2, dl_gtpu_seq);
|
|
proto_tree_add_uint(ext_tree_rab_cntxt, hf_gtp_rab_gtpu_up, tvb, offset+4, 2, ul_gtpu_seq);
|
|
proto_tree_add_uint(ext_tree_rab_cntxt, hf_gtp_rab_pdu_dn, tvb, offset+6, 1, dl_pdcp_seq);
|
|
proto_tree_add_uint(ext_tree_rab_cntxt, hf_gtp_rab_pdu_up, tvb, offset+7, 1, ul_pdcp_seq);
|
|
|
|
return 8;
|
|
}
|
|
|
|
|
|
/* GPRS: not present
|
|
* UMTS: 29.060 v4.0, chapter 7.7.20, page 53
|
|
*/
|
|
static int
|
|
decode_gtp_rp_sms(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
guint8 rp_sms;
|
|
|
|
rp_sms = tvb_get_guint8(tvb, offset+1) & 0x07;
|
|
proto_tree_add_uint(tree, hf_gtp_rp_sms, tvb, offset, 2, rp_sms);
|
|
|
|
return 2;
|
|
}
|
|
|
|
/* GPRS: not present
|
|
* UMTS: 29.060 v4.0, chapter 7.7.21, page 53
|
|
*/
|
|
static int
|
|
decode_gtp_rp(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
proto_tree *ext_tree_rp;
|
|
proto_item *te;
|
|
guint8 nsapi, rp, spare;
|
|
|
|
nsapi = tvb_get_guint8(tvb, offset+1) & 0xF0;
|
|
spare = tvb_get_guint8(tvb, offset+1) & 0x08;
|
|
rp = tvb_get_guint8(tvb, offset+1) & 0x07;
|
|
|
|
te = proto_tree_add_uint_format(tree, hf_gtp_rp, tvb, offset, 2, rp, "Radio Priority for NSAPI(%u) : %u", nsapi, rp);
|
|
ext_tree_rp = proto_item_add_subtree(tree, ett_gtp_rp);
|
|
|
|
proto_tree_add_uint(ext_tree_rp, hf_gtp_rp_nsapi, tvb, offset+1, 1, nsapi);
|
|
proto_tree_add_uint(ext_tree_rp, hf_gtp_rp_spare, tvb, offset+1, 1, spare);
|
|
proto_tree_add_uint(ext_tree_rp, hf_gtp_rp, tvb, offset+1, 1, rp);
|
|
|
|
return 2;
|
|
}
|
|
|
|
/* GPRS: not present
|
|
* UMTS: 29.060 v4.0, chapter 7.7.22, page 53
|
|
*/
|
|
static int
|
|
decode_gtp_pkt_flow_id(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
proto_tree *ext_tree_pkt_flow_id;
|
|
proto_item *te;
|
|
guint8 nsapi, pkt_flow_id;
|
|
|
|
nsapi = tvb_get_guint8(tvb, offset+1) & 0x0F;
|
|
pkt_flow_id = tvb_get_guint8(tvb, offset+2);
|
|
|
|
te = proto_tree_add_uint_format (tree, hf_gtp_pkt_flow_id, tvb, offset,
|
|
3, pkt_flow_id, "Packet Flow ID for NSAPI(%u) : %u", nsapi,
|
|
pkt_flow_id);
|
|
ext_tree_pkt_flow_id = proto_item_add_subtree(tree, ett_gtp_pkt_flow_id);
|
|
|
|
proto_tree_add_uint(ext_tree_pkt_flow_id, hf_gtp_nsapi, tvb, offset+1, 1, nsapi);
|
|
proto_tree_add_uint_format(ext_tree_pkt_flow_id, hf_gtp_pkt_flow_id, tvb,
|
|
offset+2, 1, pkt_flow_id, "%s : %u",
|
|
val_to_str(GTP_EXT_PKT_FLOW_ID, gtp_val, "Unknown message"),
|
|
pkt_flow_id);
|
|
|
|
return 3;
|
|
}
|
|
|
|
/* GPRS: not present
|
|
* UMTS: 29.060 v4.0, chapter 7.7.23, page 53
|
|
* TODO: Differenciate these uints?
|
|
*/
|
|
static int
|
|
decode_gtp_chrg_char(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
guint16 chrg_char;
|
|
proto_item *te;
|
|
proto_tree *ext_tree_chrg_char;
|
|
|
|
chrg_char = tvb_get_ntohs(tvb, offset+1);
|
|
|
|
te = proto_tree_add_uint (tree, hf_gtp_chrg_char, tvb, offset, 3, chrg_char);
|
|
/*"%s: %x", val_to_str (GTP_EXT_CHRG_CHAR, gtp_val, "Unknown message"), chrg_char);*/
|
|
ext_tree_chrg_char = proto_item_add_subtree(te, ett_gtp_chrg_char);
|
|
|
|
proto_tree_add_uint (ext_tree_chrg_char, hf_gtp_chrg_char_s, tvb, offset+1, 2, chrg_char);
|
|
proto_tree_add_uint (ext_tree_chrg_char, hf_gtp_chrg_char_n, tvb, offset+1, 2, chrg_char);
|
|
proto_tree_add_uint (ext_tree_chrg_char, hf_gtp_chrg_char_p, tvb, offset+1, 2, chrg_char);
|
|
proto_tree_add_uint (ext_tree_chrg_char, hf_gtp_chrg_char_f, tvb, offset+1, 2, chrg_char);
|
|
proto_tree_add_uint (ext_tree_chrg_char, hf_gtp_chrg_char_h, tvb, offset+1, 2, chrg_char);
|
|
proto_tree_add_uint (ext_tree_chrg_char, hf_gtp_chrg_char_r, tvb, offset+1, 2, chrg_char);
|
|
|
|
return 3;
|
|
}
|
|
|
|
/* GPRS: not present
|
|
* UMTS: 29.060 v4.0, chapter 7.7.24, page
|
|
*/
|
|
static int
|
|
decode_gtp_trace_ref(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
guint16 trace_ref;
|
|
|
|
trace_ref = tvb_get_ntohs(tvb, offset+1);
|
|
|
|
proto_tree_add_uint (tree, hf_gtp_trace_ref, tvb, offset, 3, trace_ref);
|
|
|
|
return 3;
|
|
}
|
|
|
|
/* GPRS: not present
|
|
* UMTS: 29.060 v4.0, chapter 7.7.25, page
|
|
*/
|
|
static int
|
|
decode_gtp_trace_type(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
guint16 trace_type;
|
|
|
|
trace_type = tvb_get_ntohs(tvb, offset+1);
|
|
|
|
proto_tree_add_uint (tree, hf_gtp_trace_type, tvb, offset, 3, trace_type);
|
|
|
|
return 3;
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.16A
|
|
* UMTS: 29.060 v4.0, chapter 7.7.25A, page
|
|
*/
|
|
static int
|
|
decode_gtp_ms_reason(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
guint8 reason;
|
|
|
|
reason = tvb_get_guint8(tvb, offset+1);
|
|
|
|
proto_tree_add_uint (tree, hf_gtp_ms_reason, tvb, offset, 2, reason);
|
|
|
|
return 2;
|
|
}
|
|
|
|
|
|
/* GPRS: 12.15 v7.6.0, chapter 7.3.3, page 45
|
|
* UMTS: 33.015
|
|
*/
|
|
static int
|
|
decode_gtp_tr_comm(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
guint8 tr_command;
|
|
|
|
tr_command = tvb_get_guint8(tvb, offset+1);
|
|
|
|
proto_tree_add_uint (tree, hf_gtp_tr_comm, tvb, offset, 2, tr_command);
|
|
|
|
return 2;
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.17, page 43
|
|
* UMTS: 29.060 v4.0, chapter 7.7.26, page 55
|
|
*/
|
|
static int
|
|
decode_gtp_chrg_id(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
guint32 chrg_id;
|
|
|
|
chrg_id = tvb_get_ntohl(tvb, offset+1);
|
|
proto_tree_add_uint (tree, hf_gtp_chrg_id, tvb, offset, 5, chrg_id);
|
|
|
|
return 5;
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.18, page 43
|
|
* UMTS: 29.060 v4.0, chapter 7.7.27, page 55
|
|
*/
|
|
static int
|
|
decode_gtp_user_addr(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
guint16 length;
|
|
guint8 pdp_typ, pdp_org;
|
|
guint32 addr_ipv4;
|
|
struct e_in6_addr addr_ipv6;
|
|
proto_tree *ext_tree_user;
|
|
proto_item *te;
|
|
|
|
|
|
length = tvb_get_ntohs(tvb, offset+1);
|
|
pdp_org = tvb_get_guint8(tvb, offset+3) & 0x0F;
|
|
pdp_typ = tvb_get_guint8(tvb, offset+4);
|
|
|
|
te = proto_tree_add_text(tree, tvb, offset, 3+length, "%s (%s/%s)",
|
|
val_to_str(GTP_EXT_USER_ADDR, gtp_val, "Unknown message"),
|
|
val_to_str(pdp_org, pdp_org_type, "Unknown PDP Organization"),
|
|
val_to_str(pdp_typ, pdp_type, "Unknown PDP Type"));
|
|
ext_tree_user = proto_item_add_subtree(te, ett_gtp_user);
|
|
|
|
proto_tree_add_text(ext_tree_user, tvb, offset+1, 2, "Length : %u", length);
|
|
proto_tree_add_uint(ext_tree_user, hf_gtp_user_addr_pdp_org, tvb, offset+3, 1, pdp_org);
|
|
proto_tree_add_uint(ext_tree_user, hf_gtp_user_addr_pdp_type, tvb, offset+4, 1, pdp_typ);
|
|
|
|
if (length == 2) {
|
|
if (pdp_org == 0 && pdp_typ == 1)
|
|
proto_item_append_text(te, " (Point to Point Protocol)");
|
|
else if (pdp_typ == 2)
|
|
proto_item_append_text(te, " (Octet Stream Protocol)");
|
|
} else if (length > 2) {
|
|
switch (pdp_typ) {
|
|
case 0x21:
|
|
tvb_memcpy(tvb, (guint8 *)&addr_ipv4, offset+5, sizeof addr_ipv4);
|
|
proto_tree_add_ipv4(ext_tree_user, hf_gtp_user_ipv4, tvb, offset+5, 4, addr_ipv4);
|
|
proto_item_append_text(te, " : %s", ip_to_str((guint8 *)&addr_ipv4));
|
|
break;
|
|
case 0x57:
|
|
tvb_memcpy(tvb, (guint8 *)&addr_ipv6, offset+5, sizeof addr_ipv6);
|
|
proto_tree_add_ipv6 (ext_tree_user, hf_gtp_user_ipv6, tvb, offset+5, 16, (guint8 *)&addr_ipv6);
|
|
proto_item_append_text(te, " : %s", ip6_to_str((struct e_in6_addr*)&addr_ipv6));
|
|
break;
|
|
}
|
|
} else
|
|
proto_item_append_text(te, " : empty PDP Address");
|
|
|
|
return 3+length;
|
|
}
|
|
|
|
static int
|
|
decode_triplet(tvbuff_t *tvb, int offset, proto_tree *tree, guint16 count) {
|
|
|
|
proto_tree *ext_tree_trip;
|
|
proto_item *te_trip;
|
|
guint16 i;
|
|
|
|
for (i=0;i<count;i++) {
|
|
te_trip = proto_tree_add_text(tree, tvb, offset+i*28, 28, "Triplet no%x", i);
|
|
ext_tree_trip = proto_item_add_subtree(te_trip, ett_gtp_trip);
|
|
|
|
proto_tree_add_text(ext_tree_trip, tvb, offset+i*28, 16, "RAND: %s", tvb_bytes_to_str(tvb, offset+i*28, 16));
|
|
proto_tree_add_text(ext_tree_trip, tvb, offset+i*28+16, 4, "SRES: %s", tvb_bytes_to_str(tvb, offset+i*28+16, 4));
|
|
proto_tree_add_text(ext_tree_trip, tvb, offset+i*28+20, 8, "Kc: %s", tvb_bytes_to_str(tvb, offset+i*28+20, 8));
|
|
}
|
|
|
|
return count*28;
|
|
}
|
|
|
|
/* adjust - how many bytes before quintuplet should be highlighted
|
|
*/
|
|
static int
|
|
decode_quintuplet(tvbuff_t *tvb, int offset, proto_tree *tree, guint16 count, guint8 adjust) {
|
|
|
|
proto_tree *ext_tree_quint;
|
|
proto_item *te_quint;
|
|
guint16 q_len, xres_len, auth_len, q_offset, i;
|
|
|
|
q_offset = 0;
|
|
|
|
for (i=0;i<count;i++) {
|
|
|
|
offset = offset + q_offset;
|
|
|
|
q_len = tvb_get_ntohs(tvb, offset);
|
|
|
|
te_quint = proto_tree_add_text(tree, tvb, offset-adjust, q_len+adjust, "Quintuplet #%x", i);
|
|
ext_tree_quint = proto_item_add_subtree(te_quint, ett_gtp_quint);
|
|
|
|
proto_tree_add_text(ext_tree_quint, tvb, offset, 2, "Length: %x", q_len);
|
|
proto_tree_add_text(ext_tree_quint, tvb, offset+2, 16, "RAND: %s", tvb_bytes_to_str(tvb, offset+2, 16));
|
|
xres_len = tvb_get_ntohs(tvb, offset+18);
|
|
proto_tree_add_text(ext_tree_quint, tvb, offset+18, 2, "XRES length: %u", xres_len);
|
|
proto_tree_add_text(ext_tree_quint, tvb, offset+20, xres_len, "XRES: %s", tvb_bytes_to_str(tvb, offset+20, xres_len));
|
|
proto_tree_add_text(ext_tree_quint, tvb, offset+20+xres_len, 16, "Quintuplet ciphering key: %s", tvb_bytes_to_str(tvb, offset+20+xres_len, 16));
|
|
proto_tree_add_text(ext_tree_quint, tvb, offset+36+xres_len, 16, "Quintuplet integrity key: %s", tvb_bytes_to_str(tvb, offset+36+xres_len, 16));
|
|
auth_len = tvb_get_ntohs(tvb, offset+52+xres_len);
|
|
proto_tree_add_text(ext_tree_quint, tvb, offset+52+xres_len, 2, "Authentication length: %u", auth_len);
|
|
proto_tree_add_text(ext_tree_quint, tvb, offset+54+xres_len, auth_len, "AUTH: %s", tvb_bytes_to_str(tvb, offset+54+xres_len, auth_len));
|
|
|
|
q_offset = q_offset + q_len + 2;
|
|
}
|
|
|
|
return q_offset;
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.19 page
|
|
* UMTS: 29.060 v4.0, chapter 7.7.28 page 57
|
|
* TODO: - check if for quintuplets first 2 bytes are length, according to AuthQuint
|
|
* - finish displaying last 3 parameters
|
|
*/
|
|
static int
|
|
decode_gtp_mm_cntxt(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
guint16 length, quint_len, net_cap, con_len;
|
|
guint8 cksn, count, sec_mode, cipher, trans_id, proto_disc, message, drx_split, drx_len, drx_ccch, non_drx_timer;
|
|
proto_tree *ext_tree_mm;
|
|
proto_item *te;
|
|
|
|
te = proto_tree_add_text(tree, tvb, offset, 1, val_to_str(GTP_EXT_MM_CNTXT, gtp_val, "Unknown message"));
|
|
ext_tree_mm = proto_item_add_subtree(te, ett_gtp_mm);
|
|
|
|
length = tvb_get_ntohs(tvb, offset+1);
|
|
if (length < 1) return 3;
|
|
|
|
cksn = tvb_get_guint8(tvb, offset+3) & 0x07;
|
|
sec_mode = (tvb_get_guint8(tvb, offset+4) >> 6) & 0x03;
|
|
count = (tvb_get_guint8(tvb, offset+4) >> 3) & 0x07;
|
|
cipher = tvb_get_guint8(tvb, offset+4) & 0x07;
|
|
|
|
proto_tree_add_text(ext_tree_mm, tvb, offset+1, 2, "Length: %x", length);
|
|
proto_tree_add_text(ext_tree_mm, tvb, offset+3, 1, "Ciphering Key Sequence Number: %u", cksn);
|
|
if (gtp_version != 0) {
|
|
proto_tree_add_text(ext_tree_mm, tvb, offset+3, 1, "Security type: %u (%s)", sec_mode,
|
|
val_to_str(sec_mode, mm_sec_modep, "Unknown"));
|
|
} else {
|
|
sec_mode = 1;
|
|
}
|
|
|
|
proto_tree_add_text(ext_tree_mm, tvb, offset+4, 1, "No of triplets: %u", count);
|
|
|
|
switch (sec_mode) {
|
|
case 0:
|
|
if (cipher == 0) {
|
|
proto_tree_add_text(ext_tree_mm, tvb, offset+4, 1, "Ciphering: no ciphering");
|
|
} else {
|
|
proto_tree_add_text(ext_tree_mm, tvb, offset+4, 1, "Ciphering: GEA/%u", cipher);
|
|
}
|
|
proto_tree_add_text(ext_tree_mm, tvb, offset+5, 16, "Ciphering key CK: %s", tvb_bytes_to_str(tvb, offset+5, 16));
|
|
proto_tree_add_text(ext_tree_mm, tvb, offset+21, 16, "Integrity key CK: %s", tvb_bytes_to_str(tvb, offset+21, 16));
|
|
quint_len = tvb_get_ntohs(tvb, offset+37);
|
|
proto_tree_add_text(ext_tree_mm, tvb, offset+37, 2, "Quintuplets length: %x", quint_len);
|
|
|
|
offset = offset + decode_quintuplet(tvb, offset+39, ext_tree_mm, count, 0) + 39;
|
|
|
|
|
|
break;
|
|
case 1:
|
|
if (cipher == 0) {
|
|
proto_tree_add_text(ext_tree_mm, tvb, offset+4, 1, "Ciphering: no ciphering");
|
|
} else {
|
|
proto_tree_add_text(ext_tree_mm, tvb, offset+4, 1, "Ciphering: GEA/%u", cipher);
|
|
}
|
|
proto_tree_add_text(ext_tree_mm, tvb, offset+5, 8, "Ciphering key Kc: %s", tvb_bytes_to_str(tvb, offset+5, 8));
|
|
|
|
offset = offset + decode_triplet(tvb, offset+13, ext_tree_mm, count) + 13;
|
|
|
|
break;
|
|
case 2:
|
|
proto_tree_add_text(ext_tree_mm, tvb, offset+5, 16, "Ciphering key CK: %s", tvb_bytes_to_str(tvb, offset+5, 16));
|
|
proto_tree_add_text(ext_tree_mm, tvb, offset+21, 16, "Integrity key CK: %s", tvb_bytes_to_str(tvb, offset+21, 16));
|
|
quint_len = tvb_get_ntohs(tvb, offset+37);
|
|
proto_tree_add_text(ext_tree_mm, tvb, offset+37, 2, "Quintuplets length: %x", quint_len);
|
|
|
|
offset = offset + decode_quintuplet(tvb, offset+39, ext_tree_mm, count, 0) + 39;
|
|
|
|
break;
|
|
case 3:
|
|
if (cipher == 0) {
|
|
proto_tree_add_text(ext_tree_mm, tvb, offset+4, 1, "Ciphering: no ciphering");
|
|
} else {
|
|
proto_tree_add_text(ext_tree_mm, tvb, offset+4, 1, "Ciphering: GEA/%u", cipher);
|
|
}
|
|
proto_tree_add_text(ext_tree_mm, tvb, offset+5, 8, "Ciphering key Kc: %s", tvb_bytes_to_str(tvb, offset+5, 8));
|
|
quint_len = tvb_get_ntohs(tvb, offset+13);
|
|
proto_tree_add_text(ext_tree_mm, tvb, offset+13, 2, "Quintuplets length: %x", quint_len);
|
|
|
|
offset = offset + decode_quintuplet(tvb, offset+15, ext_tree_mm, count, 0) + 15;
|
|
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
|
|
drx_split = tvb_get_guint8(tvb, offset);
|
|
drx_len = (tvb_get_guint8(tvb, offset+1) >> 4) & 0x0F;
|
|
drx_ccch = (tvb_get_guint8(tvb, offset+1) >> 3) & 0x01;
|
|
non_drx_timer = tvb_get_guint8(tvb, offset+1) & 0x07;
|
|
|
|
net_cap = tvb_get_ntohs(tvb, offset+2);
|
|
con_len = tvb_get_ntohs(tvb, offset+4);
|
|
|
|
proto_tree_add_text(ext_tree_mm, tvb, offset, 1, "DRX: split PG cycle code: %u", drx_split);
|
|
proto_tree_add_text(ext_tree_mm, tvb, offset+1, 1, "DRX: CN specific DRX cycle length coefficient: %u", drx_len);
|
|
proto_tree_add_text(ext_tree_mm, tvb, offset+1, 1, "DRX: split PG cycle on CCCH supported by MS: %s", yesno[drx_ccch]);
|
|
if (non_drx_timer == 0) {
|
|
proto_tree_add_text(ext_tree_mm, tvb, offset+1, 1, "DRX: no non-DRX mode after transfer state");
|
|
} else {
|
|
proto_tree_add_text(ext_tree_mm, tvb, offset+1, 1, "DRX: max sec non-DRX mode after transfer state: 2^%u", non_drx_timer-1);
|
|
}
|
|
|
|
proto_tree_add_text(ext_tree_mm, tvb, offset+2, 2, "MS network capability: %u", net_cap);
|
|
proto_tree_add_text(ext_tree_mm, tvb, offset+4, 2, "Container length: %u", con_len);
|
|
|
|
if (con_len > 0) {
|
|
trans_id = (tvb_get_guint8(tvb, offset+6) >> 4) & 0x0F;
|
|
proto_tree_add_text(ext_tree_mm, tvb, offset+6, 1, "Transaction identifier: 0x%x", trans_id);
|
|
proto_disc = tvb_get_guint8(tvb, offset+6) & 0x0F;
|
|
proto_tree_add_text(ext_tree_mm, tvb, offset+6, 1, "Protocol discriminator: 0x%x (%s)", proto_disc,
|
|
val_to_str(proto_disc, mm_proto_disc, "Unknown"));
|
|
message = tvb_get_guint8(tvb, offset+7);
|
|
switch (message) {
|
|
|
|
case MM_PROTO_RR_MGMT:
|
|
proto_tree_add_text(ext_tree_mm, tvb, offset+7, 1, "Message type: 0x%02x (%s)", message,
|
|
val_to_str(message, mm_rr_mess, "Unknown"));
|
|
break;
|
|
|
|
case MM_PROTO_MM_NON_GPRS:
|
|
proto_tree_add_text(ext_tree_mm, tvb, offset+7, 1, "Message type: 0x%02x (%s)", message,
|
|
val_to_str(message, mm_mm_mess, "Unknown"));
|
|
break;
|
|
|
|
case MM_PROTO_CALL_CONTROL:
|
|
case MM_PROTO_GROUP_CALL_CONTROL:
|
|
case MM_PROTO_BROADCAST_CALL_CONTROL:
|
|
proto_tree_add_text(ext_tree_mm, tvb, offset+7, 1, "Message type: 0x%02x (%s)", message,
|
|
val_to_str(message, mm_cc_mess, "Unknown"));
|
|
break;
|
|
|
|
case MM_PROTO_MM_GPRS:
|
|
proto_tree_add_text(ext_tree_mm, tvb, offset+7, 1, "Message type: 0x%02x (%s)", message,
|
|
val_to_str(message, mm_gprs_mess, "Unknown"));
|
|
break;
|
|
|
|
default:
|
|
proto_tree_add_text(ext_tree_mm, tvb, offset+7, 1, "Message type: 0x%02x", message);
|
|
break;
|
|
}
|
|
/* XXX - dissect additional IEs from GSM L3 message */
|
|
}
|
|
|
|
return 3+length;
|
|
}
|
|
|
|
/* Function to extract the value of an hexadecimal octet. Only the lower
|
|
* nybble will be non-zero in the output.
|
|
* */
|
|
static guint8 hex2dec (guint8 x)
|
|
{
|
|
if ((x >= 'a') && (x <= 'f'))
|
|
x = x - 'a' + 10;
|
|
else if ((x >= 'A') && (x <= 'F'))
|
|
x = x - 'A' + 10;
|
|
else if ((x >= '0') && (x <= '9'))
|
|
x = x - '0';
|
|
else
|
|
x = 0;
|
|
return x;
|
|
}
|
|
|
|
/* Wrapper function to add UTF-8 decoding for QoS attributes in
|
|
* RADIUS messages.
|
|
* */
|
|
static guint8 wrapped_tvb_get_guint8( tvbuff_t *tvb, int offset, int type)
|
|
{
|
|
if (type == 2)
|
|
return (hex2dec(tvb_get_guint8(tvb, offset)) << 4
|
|
| hex2dec(tvb_get_guint8(tvb, offset + 1)));
|
|
else
|
|
return tvb_get_guint8(tvb, offset);
|
|
}
|
|
|
|
/* WARNING : actually length is coded on 2 octets for QoS profile but on 1 octet for PDP Context!
|
|
* so type means length of length :-)
|
|
*
|
|
* WARNING :) type does not mean length of length any more... see below for
|
|
* type = 3!
|
|
*/
|
|
int
|
|
decode_qos_umts(tvbuff_t *tvb, int offset, proto_tree *tree, gchar* qos_str, guint8 type) {
|
|
|
|
guint length;
|
|
guint8 al_ret_priority;
|
|
guint8 delay, reliability, peak, precedence, mean, spare1, spare2, spare3;
|
|
guint8 traf_class, del_order, del_err_sdu;
|
|
guint8 max_sdu_size, max_ul, max_dl;
|
|
guint8 res_ber, sdu_err_ratio;
|
|
guint8 trans_delay, traf_handl_prio;
|
|
guint8 guar_ul, guar_dl;
|
|
proto_tree *ext_tree_qos;
|
|
proto_item *te;
|
|
int mss, mu, md, gu, gd;
|
|
|
|
/* Will keep if the input is UTF-8 encoded (as in RADIUS messages).
|
|
* If 1, input is *not* UTF-8 encoded (i.e. each input octet corresponds
|
|
* to one byte to be dissected).
|
|
* If 2, input is UTF-8 encoded (i.e. each *couple* of input octets
|
|
* corresponds to one byte to be dissected)
|
|
* */
|
|
guint8 utf8_type = 1;
|
|
|
|
/* In RADIUS messages the QoS has a version field of two octets prepended.
|
|
* As of 29.061 v.3.a.0, there is an hyphen between "Release Indicator" and
|
|
* <release specific QoS IE UTF-8 encoding>. Even if it sounds rather
|
|
* inconsistent and unuseful, I will check hyphen presence here and
|
|
* will signal its presence.
|
|
* */
|
|
guint8 version_buffer[2];
|
|
guint8 hyphen;
|
|
|
|
/* Will keep the value that will be returned
|
|
* */
|
|
int retval = 0;
|
|
|
|
switch (type) {
|
|
case 1:
|
|
length = tvb_get_guint8 (tvb, offset);
|
|
te = proto_tree_add_text (tree, tvb, offset, length + 1, "%s", qos_str);
|
|
ext_tree_qos = proto_item_add_subtree (te, ett_gtp_qos);
|
|
proto_tree_add_text (ext_tree_qos, tvb, offset, 1, "Length: %u", length);
|
|
offset++;
|
|
retval = length + 1;
|
|
break;
|
|
case 2:
|
|
length = tvb_get_ntohs (tvb, offset + 1);
|
|
te = proto_tree_add_text(tree, tvb, offset, length + 3, "%s", qos_str);
|
|
ext_tree_qos = proto_item_add_subtree (te, ett_gtp_qos);
|
|
proto_tree_add_text (ext_tree_qos, tvb, offset + 1, 2, "Length: %u", length);
|
|
offset += 3; /* +1 because of first 0x86 byte for UMTS QoS */
|
|
retval = length + 3;
|
|
break;
|
|
case 3:
|
|
/* For QoS inside RADIUS Client messages from GGSN */
|
|
utf8_type = 2;
|
|
|
|
/* The field in the RADIUS message starts one byte before :) */
|
|
length = tvb_get_guint8 (tvb, offset);
|
|
te = proto_tree_add_text (tree, tvb, offset - 1, length, "%s", qos_str);
|
|
|
|
ext_tree_qos = proto_item_add_subtree (te, ett_gtp_qos);
|
|
version_buffer[0] = tvb_get_guint8(tvb, offset + 1);
|
|
version_buffer[1] = tvb_get_guint8(tvb, offset + 2);
|
|
proto_tree_add_text (ext_tree_qos, tvb, offset + 1, 2, "Version: %c%c", version_buffer[0], version_buffer[1]);
|
|
|
|
/* Hyphen handling */
|
|
hyphen = tvb_get_guint8(tvb, offset + 3);
|
|
if (hyphen == ((guint8) '-'))
|
|
{
|
|
/* Hyphen is present, put in protocol tree */
|
|
proto_tree_add_text (ext_tree_qos, tvb, offset + 3, 1, "Hyphen separator: -");
|
|
offset++; /* "Get rid" of hyphen */
|
|
}
|
|
|
|
/* Now, we modify offset here and in order to use type later
|
|
* effectively.*/
|
|
offset += 2;
|
|
retval = length + 3; /* Actually, will be ignored. */
|
|
break;
|
|
default:
|
|
/* XXX - what should we do with the length here? */
|
|
length = 0;
|
|
retval = 0;
|
|
ext_tree_qos = NULL;
|
|
break;
|
|
}
|
|
|
|
/* In RADIUS messages there is no allocation-retention priority
|
|
* so I don't need to wrap the following call to tvb_get_guint8
|
|
* */
|
|
al_ret_priority = tvb_get_guint8 (tvb, offset);
|
|
|
|
/* All calls are wrapped to take into account the possibility that the
|
|
* input is UTF-8 encoded. If utf8_type is equal to 1, the final value
|
|
* of the offset will be the same as in the previous version of this
|
|
* dissector, and the wrapped function will serve as a dumb wrapper;
|
|
* otherwise, if utf_8_type is 2, the offset is correctly shifted by
|
|
* two bytes for needed shift, and the wrapped function will unencode
|
|
* two values from the input.
|
|
* */
|
|
spare1 = wrapped_tvb_get_guint8(tvb, offset+(1 - 1) * utf8_type + 1, utf8_type) & 0xC0;
|
|
delay = wrapped_tvb_get_guint8(tvb, offset+(1 - 1) * utf8_type + 1, utf8_type) & 0x38;
|
|
reliability = wrapped_tvb_get_guint8(tvb, offset+(1 - 1) * utf8_type + 1, utf8_type) & 0x07;
|
|
peak = wrapped_tvb_get_guint8(tvb, offset+(2 - 1) * utf8_type + 1, utf8_type) & 0xF0;
|
|
spare2 = wrapped_tvb_get_guint8(tvb, offset+(2 - 1) * utf8_type + 1, utf8_type) & 0x08;
|
|
precedence = wrapped_tvb_get_guint8(tvb, offset+(2 - 1) * utf8_type + 1, utf8_type) & 0x07;
|
|
spare3 = wrapped_tvb_get_guint8(tvb, offset+(3 - 1) * utf8_type + 1, utf8_type) & 0xE0;
|
|
mean = wrapped_tvb_get_guint8(tvb, offset+(3 - 1) * utf8_type + 1, utf8_type) & 0x1F;
|
|
|
|
/* In RADIUS messages there is no allocation-retention priority */
|
|
if (type != 3)
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_al_ret_priority, tvb, offset, 1, al_ret_priority);
|
|
|
|
/* All additions must take care of the fact that QoS fields in RADIUS
|
|
* messages are UTF-8 encoded, so we have to use the same trick as above.
|
|
* */
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_spare1, tvb, offset+(1 - 1) * utf8_type + 1, utf8_type, spare1);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_delay, tvb, offset+(1 - 1) * utf8_type + 1, utf8_type, delay);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_reliability, tvb, offset+(1 - 1) * utf8_type + 1, utf8_type, reliability);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_peak, tvb, offset+(2 - 1) * utf8_type + 1, utf8_type, peak);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_spare2, tvb, offset+(2 - 1) * utf8_type + 1, utf8_type, spare2);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_precedence, tvb, offset+(2 - 1) * utf8_type + 1, utf8_type, precedence);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_spare3, tvb, offset+(3 - 1) * utf8_type + 1, utf8_type, spare3);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_mean, tvb, offset+(3 - 1) * utf8_type + 1, utf8_type, mean);
|
|
|
|
if (length > 4) {
|
|
|
|
/* See above for the need of wrapping
|
|
* */
|
|
traf_class = wrapped_tvb_get_guint8(tvb, offset+(4 - 1) * utf8_type + 1, utf8_type) & 0xE0;
|
|
del_order = wrapped_tvb_get_guint8(tvb, offset+(4 - 1) * utf8_type + 1, utf8_type) & 0x18;
|
|
del_err_sdu = wrapped_tvb_get_guint8(tvb, offset+(4 - 1) * utf8_type + 1, utf8_type) & 0x07;
|
|
max_sdu_size = wrapped_tvb_get_guint8(tvb, offset+(5 - 1) * utf8_type + 1, utf8_type);
|
|
max_ul = wrapped_tvb_get_guint8(tvb, offset+(6 - 1) * utf8_type + 1, utf8_type);
|
|
max_dl = wrapped_tvb_get_guint8(tvb, offset+(7 - 1) * utf8_type + 1, utf8_type);
|
|
res_ber = wrapped_tvb_get_guint8(tvb, offset+(8 - 1) * utf8_type + 1, utf8_type) & 0xF0;
|
|
sdu_err_ratio = wrapped_tvb_get_guint8(tvb, offset+(8 - 1) * utf8_type + 1, utf8_type) & 0x0F;
|
|
trans_delay = wrapped_tvb_get_guint8(tvb, offset+(9 - 1) * utf8_type + 1, utf8_type) & 0xFC;
|
|
traf_handl_prio = wrapped_tvb_get_guint8(tvb, offset+(9 - 1) * utf8_type + 1, utf8_type) & 0x03;
|
|
guar_ul = wrapped_tvb_get_guint8(tvb, offset+(10 - 1) * utf8_type + 1, utf8_type);
|
|
guar_dl = wrapped_tvb_get_guint8(tvb, offset+(11 - 1) * utf8_type + 1, utf8_type);
|
|
|
|
/* See above comments for the changes
|
|
* */
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_traf_class, tvb, offset+(4 - 1) * utf8_type + 1, utf8_type, traf_class);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_del_order, tvb, offset+(4 - 1) * utf8_type + 1, utf8_type, del_order);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_del_err_sdu, tvb, offset+(4 - 1) * utf8_type + 1, utf8_type, del_err_sdu);
|
|
if (max_sdu_size == 0 || max_sdu_size > 150)
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_max_sdu_size, tvb, offset+(5 - 1) * utf8_type + 1, utf8_type, max_sdu_size);
|
|
if (max_sdu_size > 0 && max_sdu_size <= 150) {
|
|
mss = max_sdu_size*10;
|
|
proto_tree_add_uint_format(ext_tree_qos, hf_gtp_qos_max_sdu_size, tvb, offset+(5 - 1) * utf8_type + 1, utf8_type, mss, "Maximum SDU size : %u octets", mss);
|
|
}
|
|
|
|
if(max_ul == 0 || max_ul == 255)
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_max_ul, tvb, offset+(6 - 1) * utf8_type + 1, utf8_type, max_ul);
|
|
if(max_ul > 0 && max_ul <= 63)
|
|
proto_tree_add_uint_format(ext_tree_qos, hf_gtp_qos_max_ul, tvb, offset+(6 - 1) * utf8_type + 1, utf8_type, max_ul, "Maximum bit rate for uplink : %u kbps", max_ul);
|
|
if(max_ul > 63 && max_ul <=127) {
|
|
mu = 64 + ( max_ul - 64 ) * 8;
|
|
proto_tree_add_uint_format(ext_tree_qos, hf_gtp_qos_max_ul, tvb, offset+(6 - 1) * utf8_type + 1, utf8_type, mu, "Maximum bit rate for uplink : %u kbps", mu);
|
|
}
|
|
|
|
if(max_ul > 127 && max_ul <=254) {
|
|
mu = 576 + ( max_ul - 128 ) * 64;
|
|
proto_tree_add_uint_format(ext_tree_qos, hf_gtp_qos_max_ul, tvb, offset+(6 - 1) * utf8_type + 1, utf8_type, mu, "Maximum bit rate for uplink : %u kbps", mu);
|
|
}
|
|
|
|
if(max_dl == 0 || max_dl == 255)
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_max_dl, tvb, offset+(7 - 1) * utf8_type + 1, utf8_type, max_dl);
|
|
if(max_dl > 0 && max_dl <= 63)
|
|
proto_tree_add_uint_format(ext_tree_qos, hf_gtp_qos_max_dl, tvb, offset+(7 - 1) * utf8_type + 1, utf8_type, max_dl, "Maximum bit rate for downlink : %u kbps", max_dl);
|
|
if(max_dl > 63 && max_dl <=127) {
|
|
md = 64 + ( max_dl - 64 ) * 8;
|
|
proto_tree_add_uint_format(ext_tree_qos, hf_gtp_qos_max_dl, tvb, offset+(7 - 1) * utf8_type + 1, utf8_type, md, "Maximum bit rate for downlink : %u kbps", md);
|
|
}
|
|
if(max_dl > 127 && max_dl <=254) {
|
|
md = 576 + ( max_dl - 128 ) * 64;
|
|
proto_tree_add_uint_format(ext_tree_qos, hf_gtp_qos_max_dl, tvb, offset+(7 - 1) * utf8_type + 1, utf8_type, md, "Maximum bit rate for downlink : %u kbps", md);
|
|
}
|
|
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_res_ber, tvb, offset+(8 - 1) * utf8_type + 1, utf8_type, res_ber);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_sdu_err_ratio, tvb, offset+(8 - 1) * utf8_type + 1, utf8_type, sdu_err_ratio);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_trans_delay, tvb, offset+(9 - 1) * utf8_type + 1, utf8_type, trans_delay);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_traf_handl_prio, tvb, offset+(9 - 1) * utf8_type + 1, utf8_type, traf_handl_prio);
|
|
|
|
if(guar_ul == 0 || guar_ul == 255)
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_guar_ul, tvb, offset+(10 - 1) * utf8_type + 1, utf8_type, guar_ul);
|
|
if(guar_ul > 0 && guar_ul <= 63)
|
|
proto_tree_add_uint_format(ext_tree_qos, hf_gtp_qos_guar_ul, tvb, offset+(10 - 1) * utf8_type + 1, utf8_type, guar_ul, "Guaranteed bit rate for uplink : %u kbps", guar_ul);
|
|
if(guar_ul > 63 && guar_ul <=127) {
|
|
gu = 64 + ( guar_ul - 64 ) * 8;
|
|
proto_tree_add_uint_format(ext_tree_qos, hf_gtp_qos_guar_ul, tvb, offset+(10 - 1) * utf8_type + 1, utf8_type, gu, "Guaranteed bit rate for uplink : %u kbps", gu);
|
|
}
|
|
if(guar_ul > 127 && guar_ul <=254) {
|
|
gu = 576 + ( guar_ul - 128 ) * 64;
|
|
proto_tree_add_uint_format(ext_tree_qos, hf_gtp_qos_guar_ul, tvb, offset+(10 - 1) * utf8_type + 1, utf8_type, gu, "Guaranteed bit rate for uplink : %u kbps", gu);
|
|
}
|
|
|
|
if(guar_dl == 0 || guar_dl == 255)
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_guar_dl, tvb, offset+(11 - 1) * utf8_type + 1, utf8_type, guar_dl);
|
|
if(guar_dl > 0 && guar_dl <= 63)
|
|
proto_tree_add_uint_format(ext_tree_qos, hf_gtp_qos_guar_dl, tvb, offset+(11 - 1) * utf8_type + 1, utf8_type, guar_dl, "Guaranteed bit rate for downlink : %u kbps", guar_dl);
|
|
if(guar_dl > 63 && guar_dl <=127) {
|
|
gd = 64 + ( guar_dl - 64 ) * 8;
|
|
proto_tree_add_uint_format(ext_tree_qos, hf_gtp_qos_guar_dl, tvb, offset+(11 - 1) * utf8_type + 1, utf8_type, gd, "Guaranteed bit rate for downlink : %u kbps", gd);
|
|
}
|
|
if(guar_dl > 127 && guar_dl <=254) {
|
|
gd = 576 + ( guar_dl - 128 ) * 64;
|
|
proto_tree_add_uint_format(ext_tree_qos, hf_gtp_qos_guar_dl, tvb, offset+(11 - 1) * utf8_type + 1, utf8_type, gd, "Guaranteed bit rate for downlink : %u kbps", gd);
|
|
}
|
|
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
static void
|
|
decode_apn(tvbuff_t *tvb, int offset, guint16 length, proto_tree *tree) {
|
|
|
|
gchar *apn = NULL;
|
|
guint8 name_len, tmp;
|
|
|
|
if (length > 0) {
|
|
name_len = tvb_get_guint8 (tvb, offset);
|
|
|
|
if (name_len < 0x20) {
|
|
apn = tvb_get_string(tvb, offset + 1, length - 1);
|
|
for (;;) {
|
|
if (name_len >= length - 1) break;
|
|
tmp = name_len;
|
|
name_len = name_len + apn[tmp] + 1;
|
|
apn[tmp] = '.';
|
|
}
|
|
} else
|
|
apn = tvb_get_string(tvb, offset, length);
|
|
|
|
proto_tree_add_string (tree, hf_gtp_apn, tvb, offset, length, apn);
|
|
g_free(apn);
|
|
}
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.20
|
|
* UMTS: 29.060 v4.0, chapter 7.7.29
|
|
* TODO: unify addr functions
|
|
*/
|
|
static int
|
|
decode_gtp_pdp_cntxt(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
guint8 ggsn_addr_len, apn_len, trans_id, vaa, order, nsapi, sapi, pdu_send_no, pdu_rec_no, pdp_cntxt_id,
|
|
pdp_type_org, pdp_type_num, pdp_addr_len;
|
|
guint16 length, sn_down, sn_up, up_flow;
|
|
guint32 addr_ipv4, up_teid, up_teid_cp;
|
|
struct e_in6_addr addr_ipv6;
|
|
proto_tree *ext_tree_pdp;
|
|
proto_item *te;
|
|
|
|
length = tvb_get_ntohs(tvb, offset+1);
|
|
|
|
te = proto_tree_add_text(tree, tvb, offset, length+3, val_to_str(GTP_EXT_PDP_CNTXT, gtp_val, "Unknown message"));
|
|
ext_tree_pdp = proto_item_add_subtree(te, ett_gtp_pdp);
|
|
|
|
vaa = (tvb_get_guint8(tvb, offset+3) >> 6) & 0x01;
|
|
order = (tvb_get_guint8(tvb, offset+3) >> 4) & 0x01;
|
|
nsapi = tvb_get_guint8(tvb, offset+3) & 0x0F;
|
|
sapi = tvb_get_guint8(tvb, offset+4) & 0x0F;
|
|
|
|
proto_tree_add_text(ext_tree_pdp, tvb, offset+3, 1, "VPLMN address allowed: %s", yesno[vaa]);
|
|
proto_tree_add_text(ext_tree_pdp, tvb, offset+3, 1, "Reordering required: %s", yesno[order]);
|
|
proto_tree_add_text(ext_tree_pdp, tvb, offset+3, 1, "NSAPI: %u", nsapi);
|
|
proto_tree_add_text(ext_tree_pdp, tvb, offset+4, 1, "SAPI: %u", sapi);
|
|
|
|
switch (gtp_version) {
|
|
case 0:
|
|
decode_qos_gprs(tvb, offset+5, ext_tree_pdp, "QoS subscribed", 0);
|
|
decode_qos_gprs(tvb, offset+8, ext_tree_pdp, "QoS requested", 0);
|
|
decode_qos_gprs(tvb, offset+11, ext_tree_pdp, "QoS negotiated", 0);
|
|
offset = offset + 14;
|
|
break;
|
|
case 1:
|
|
offset = offset + 5;
|
|
offset = offset + decode_qos_umts(tvb, offset, ext_tree_pdp, "QoS subscribed", 1);
|
|
offset = offset + decode_qos_umts(tvb, offset, ext_tree_pdp, "QoS requested", 1);
|
|
offset = offset + decode_qos_umts(tvb, offset, ext_tree_pdp, "QoS negotiated", 1);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
sn_down = tvb_get_ntohs(tvb, offset);
|
|
sn_up = tvb_get_ntohs(tvb, offset+2);
|
|
pdu_send_no = tvb_get_guint8(tvb, offset+4);
|
|
pdu_rec_no = tvb_get_guint8(tvb, offset+5);
|
|
|
|
proto_tree_add_text(ext_tree_pdp, tvb, offset, 2, "Sequence number down: %u", sn_down);
|
|
proto_tree_add_text(ext_tree_pdp, tvb, offset+2, 2, "Sequence number up: %u", sn_up);
|
|
proto_tree_add_text(ext_tree_pdp, tvb, offset+4, 1, "Send N-PDU number: %u", pdu_send_no);
|
|
proto_tree_add_text(ext_tree_pdp, tvb, offset+5, 1, "Receive N-PDU number: %u", pdu_rec_no);
|
|
|
|
switch (gtp_version) {
|
|
case 0:
|
|
up_flow = tvb_get_ntohs(tvb, offset+6);
|
|
proto_tree_add_text(ext_tree_pdp, tvb, offset+6, 2, "Uplink flow label signalling: %u", up_flow);
|
|
offset = offset + 8;
|
|
break;
|
|
case 1:
|
|
up_teid = tvb_get_ntohl(tvb, offset+6);
|
|
up_teid_cp = tvb_get_ntohl(tvb, offset+10);
|
|
pdp_cntxt_id = tvb_get_guint8(tvb, offset+14);
|
|
proto_tree_add_text(ext_tree_pdp, tvb, offset+6, 4, "Uplink TEID: %x", up_teid);
|
|
proto_tree_add_text(ext_tree_pdp, tvb, offset+10, 4, "Uplink TEID control plane: %x", up_teid_cp);
|
|
proto_tree_add_text(ext_tree_pdp, tvb, offset+14, 1, "PDP context identifier: %u", pdp_cntxt_id);
|
|
offset = offset + 15;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
pdp_type_org = tvb_get_guint8(tvb, offset) & 0x0F;
|
|
pdp_type_num = tvb_get_guint8(tvb, offset+1);
|
|
pdp_addr_len = tvb_get_guint8(tvb, offset+2);
|
|
|
|
proto_tree_add_text(ext_tree_pdp, tvb, offset, 1, "PDP organization: %s", val_to_str(pdp_type_org, pdp_type, "Unknown PDP org"));
|
|
proto_tree_add_text(ext_tree_pdp, tvb, offset+1, 1, "PDP type: %s", val_to_str(pdp_type_num, pdp_org_type, "Unknown PDP type"));
|
|
proto_tree_add_text(ext_tree_pdp, tvb, offset+2, 1, "PDP address length: %u", pdp_addr_len);
|
|
|
|
if (pdp_addr_len > 0) {
|
|
switch (pdp_type_num) {
|
|
case 0x21:
|
|
tvb_memcpy(tvb, (guint8 *)&addr_ipv4, offset+3, sizeof addr_ipv4);
|
|
proto_tree_add_text(ext_tree_pdp, tvb, offset+3, 4, "PDP address: %s", ip_to_str((guint8 *)&addr_ipv4));
|
|
break;
|
|
case 0x57:
|
|
tvb_memcpy(tvb, (guint8 *)&addr_ipv6, offset+3, sizeof addr_ipv6);
|
|
proto_tree_add_text(ext_tree_pdp, tvb, offset+3, 16, "PDP address: %s", ip6_to_str((struct e_in6_addr*)&addr_ipv6));
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
offset = offset + 3 + pdp_addr_len;
|
|
|
|
ggsn_addr_len = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_text(ext_tree_pdp, tvb, offset, 1, "GGSN address length: %u", ggsn_addr_len);
|
|
|
|
switch (ggsn_addr_len) {
|
|
case 4:
|
|
tvb_memcpy(tvb, (guint8 *)&addr_ipv4, offset+1, sizeof addr_ipv4);
|
|
proto_tree_add_text(ext_tree_pdp, tvb, offset+1, 4, "GGSN address: %s", ip_to_str((guint8 *)&addr_ipv4));
|
|
break;
|
|
case 16:
|
|
tvb_memcpy(tvb, (guint8 *)&addr_ipv6, offset+1, sizeof addr_ipv6);
|
|
proto_tree_add_text(ext_tree_pdp, tvb, offset+1, 16, "GGSN address: %s", ip6_to_str((struct e_in6_addr*)&addr_ipv6));
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
offset = offset + 1 + ggsn_addr_len;
|
|
|
|
if (gtp_version == 1) {
|
|
|
|
ggsn_addr_len = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_text(ext_tree_pdp, tvb, offset, 1, "GGSN 2 address length: %u", ggsn_addr_len);
|
|
|
|
switch (ggsn_addr_len) {
|
|
case 4:
|
|
tvb_memcpy(tvb, (guint8 *)&addr_ipv4, offset+1, sizeof addr_ipv4);
|
|
proto_tree_add_text(ext_tree_pdp, tvb, offset+1, 4, "GGSN 2 address: %s", ip_to_str((guint8 *)&addr_ipv4));
|
|
break;
|
|
case 16:
|
|
tvb_memcpy(tvb, (guint8 *)&addr_ipv6, offset+1, sizeof addr_ipv6);
|
|
proto_tree_add_text(ext_tree_pdp, tvb, offset+1, 16, "GGSN 2 address: %s", ip6_to_str((struct e_in6_addr*)&addr_ipv6));
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
offset = offset + 1 + ggsn_addr_len;
|
|
|
|
}
|
|
|
|
apn_len = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_text(ext_tree_pdp, tvb, offset, 1, "APN length: %u", apn_len);
|
|
decode_apn(tvb, offset+1, apn_len, ext_tree_pdp);
|
|
|
|
offset = offset + 1 + apn_len;
|
|
|
|
trans_id = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_text(ext_tree_pdp, tvb, offset, 1, "Transaction identifier: %u", trans_id);
|
|
|
|
return 3+length;
|
|
}
|
|
|
|
/* GPRS: 9.60, v7.6.0, chapter 7.9.21
|
|
* UMTS: 29.060, v4.0, chapter 7.7.30
|
|
*/
|
|
static int
|
|
decode_gtp_apn(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree_apn;
|
|
proto_item *te;
|
|
|
|
length = tvb_get_ntohs(tvb, offset+1);
|
|
|
|
te = proto_tree_add_text (tree, tvb, offset, length+3, val_to_str(GTP_EXT_APN, gtp_val, "Unknown field"));
|
|
ext_tree_apn = proto_item_add_subtree(te, ett_gtp_apn);
|
|
|
|
proto_tree_add_text (ext_tree_apn, tvb, offset+1, 2, "APN length : %u", length);
|
|
decode_apn (tvb, offset+3, length, ext_tree_apn);
|
|
|
|
return 3+length;
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.22
|
|
* 4.08 v. 7.1.2, chapter 10.5.6.3 (p.580)
|
|
* UMTS: 29.060 v4.0, chapter 7.7.31
|
|
* 24.008, v4.2, chapter 10.5.6.3
|
|
*/
|
|
int
|
|
decode_gtp_proto_conf(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree) {
|
|
|
|
guint16 length, proto_offset;
|
|
guint16 proto_id;
|
|
guint8 conf, proto_len, cnt = 1;
|
|
tvbuff_t *next_tvb;
|
|
proto_tree *ext_tree_proto;
|
|
proto_item *te;
|
|
gboolean save_writable;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
|
|
te = proto_tree_add_text(tree, tvb, offset, length + 3, val_to_str(GTP_EXT_PROTO_CONF, gtp_val, "Unknown message"));
|
|
ext_tree_proto = proto_item_add_subtree(te, ett_gtp_proto);
|
|
|
|
proto_tree_add_text(ext_tree_proto, tvb, offset + 1, 2, "Length: %u", length);
|
|
|
|
if (length < 1) return 3;
|
|
|
|
conf = tvb_get_guint8 (tvb, offset + 3) & 0x07;
|
|
proto_tree_add_text (ext_tree_proto, tvb, offset + 3, 1, "Configuration protocol (00000xxx): %u", conf);
|
|
|
|
proto_offset = 1; /* ... 1st byte is conf */
|
|
offset += 4;
|
|
|
|
for (;;) {
|
|
if (proto_offset >= length) break;
|
|
proto_id = tvb_get_ntohs (tvb, offset);
|
|
proto_len = tvb_get_guint8 (tvb, offset + 2);
|
|
proto_offset += proto_len + 3; /* 3 = proto id + length byte */
|
|
|
|
if (proto_len > 0) {
|
|
|
|
proto_tree_add_text (ext_tree_proto, tvb, offset, 2, "Protocol %u ID: %s (0x%04x)",
|
|
cnt, val_to_str(proto_id, ppp_vals, "Unknown"),
|
|
proto_id);
|
|
proto_tree_add_text (ext_tree_proto, tvb, offset+2, 1, "Protocol %u length: %u", cnt, proto_len);
|
|
|
|
/*
|
|
* Don't allow the dissector for the configuration
|
|
* protocol in question to update the columns - this
|
|
* is GTP, not PPP.
|
|
*/
|
|
save_writable = col_get_writable(pinfo->cinfo);
|
|
col_set_writable(pinfo->cinfo, FALSE);
|
|
|
|
/*
|
|
* XXX - should we have our own dissector table,
|
|
* solely for configuration protocols, so that bogus
|
|
* values don't cause us to dissect the protocol
|
|
* data as, for example, IP?
|
|
*/
|
|
next_tvb = tvb_new_subset (tvb, offset + 3, proto_len, proto_len);
|
|
if (!dissector_try_port(ppp_subdissector_table,
|
|
proto_id, next_tvb, pinfo, ext_tree_proto)) {
|
|
call_dissector(data_handle, next_tvb, pinfo,
|
|
ext_tree_proto);
|
|
}
|
|
|
|
col_set_writable(pinfo->cinfo, save_writable);
|
|
}
|
|
|
|
offset += proto_len + 3;
|
|
cnt++;
|
|
}
|
|
|
|
return 3 + length;
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.23
|
|
* UMTS: 29.060 v4.0, chapter 7.7.32
|
|
*/
|
|
static int
|
|
decode_gtp_gsn_addr(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
guint8 addr_type, addr_len;
|
|
guint16 length;
|
|
guint32 addr_ipv4;
|
|
struct e_in6_addr addr_ipv6;
|
|
proto_tree *ext_tree_gsn_addr;
|
|
proto_item *te;
|
|
|
|
length = tvb_get_ntohs(tvb, offset+1);
|
|
|
|
te = proto_tree_add_text(tree, tvb, offset, 3+length, "GSN address : ");
|
|
ext_tree_gsn_addr = proto_item_add_subtree(te, ett_gtp_gsn_addr);
|
|
|
|
switch (length) {
|
|
case 4:
|
|
proto_tree_add_text(ext_tree_gsn_addr, tvb, offset+1, 2, "GSN address length : %u", length);
|
|
tvb_memcpy(tvb, (guint8 *)&addr_ipv4, offset+3, sizeof addr_ipv4);
|
|
proto_item_append_text(te, "%s", ip_to_str((guint8 *)&addr_ipv4));
|
|
proto_tree_add_ipv4(ext_tree_gsn_addr, hf_gtp_gsn_ipv4, tvb, offset+3, 4, addr_ipv4);
|
|
break;
|
|
case 5:
|
|
proto_tree_add_text(ext_tree_gsn_addr, tvb, offset+1, 2, "GSN address Information Element length : %u", length);
|
|
addr_type = tvb_get_guint8(tvb, offset+3) & 0xC0;
|
|
proto_tree_add_uint(ext_tree_gsn_addr, hf_gtp_gsn_addr_type, tvb, offset+3, 1, addr_type);
|
|
addr_len = tvb_get_guint8(tvb, offset+3) & 0x3F;
|
|
proto_tree_add_uint(ext_tree_gsn_addr, hf_gtp_gsn_addr_len, tvb, offset+3, 1, addr_len);
|
|
tvb_memcpy(tvb, (guint8 *)&addr_ipv4, offset+4, sizeof addr_ipv4);
|
|
proto_item_append_text(te, "%s", ip_to_str((guint8 *)&addr_ipv4));
|
|
proto_tree_add_ipv4(ext_tree_gsn_addr, hf_gtp_gsn_ipv4, tvb, offset+4, 4, addr_ipv4);
|
|
break;
|
|
case 16:
|
|
proto_tree_add_text(ext_tree_gsn_addr, tvb, offset+1, 2, "GSN address length : %u", length);
|
|
tvb_memcpy(tvb, (guint8 *)&addr_ipv6, offset+3, sizeof addr_ipv6);
|
|
proto_item_append_text(te, "%s", ip6_to_str((struct e_in6_addr*)&addr_ipv6));
|
|
proto_tree_add_ipv6(ext_tree_gsn_addr, hf_gtp_gsn_ipv6, tvb, offset+3, 16, (guint8*)&addr_ipv6);
|
|
break;
|
|
case 17:
|
|
proto_tree_add_text(ext_tree_gsn_addr, tvb, offset+1, 2, "GSN address Information Element length : %u", length);
|
|
addr_type = tvb_get_guint8(tvb, offset+3) & 0xC0;
|
|
proto_tree_add_uint(ext_tree_gsn_addr, hf_gtp_gsn_addr_type, tvb, offset+3, 1, addr_type);
|
|
addr_len = tvb_get_guint8(tvb, offset+3) & 0x3F;
|
|
proto_tree_add_uint(ext_tree_gsn_addr, hf_gtp_gsn_addr_len, tvb, offset+3, 1, addr_len);
|
|
tvb_memcpy(tvb, (guint8 *)&addr_ipv6, offset+4, sizeof addr_ipv6);
|
|
proto_item_append_text(te, "%s", ip6_to_str((struct e_in6_addr*)&addr_ipv6));
|
|
proto_tree_add_ipv6(ext_tree_gsn_addr, hf_gtp_gsn_ipv6, tvb, offset+4, 16, (guint8*)&addr_ipv6);
|
|
break;
|
|
default:
|
|
proto_item_append_text(te, "unknown type or wrong length");
|
|
break;
|
|
}
|
|
|
|
return 3+length;
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.24
|
|
* UMTS: 29.060 v4.0, chapter 7.7.33
|
|
*/
|
|
static int
|
|
decode_gtp_msisdn(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
const guint8 *msisdn_val;
|
|
gchar *msisdn_str;
|
|
guint16 length;
|
|
|
|
length = tvb_get_ntohs(tvb, offset+1);
|
|
|
|
if (length < 1) return 3;
|
|
|
|
msisdn_val = tvb_get_ptr(tvb, offset+3, length);
|
|
msisdn_str = msisdn_to_str(msisdn_val, length);
|
|
|
|
proto_tree_add_string(tree, hf_gtp_msisdn, tvb, offset, 3+length, msisdn_str);
|
|
|
|
return 3+length;
|
|
}
|
|
|
|
/* GPRS: not present
|
|
* UMTS: 29.060 v4.0, chapter 7.7.34
|
|
* 24.008 v4.2, chapter 10.5.6.5
|
|
*/
|
|
static int
|
|
decode_gtp_qos_umts(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
return decode_qos_umts(tvb, offset, tree, "Quality of Service", 2);
|
|
}
|
|
|
|
/* GPRS: not present
|
|
* UMTS: 29.060 v4.0, chapter 7.7.35
|
|
*/
|
|
static int
|
|
decode_gtp_auth_qui(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
return (1 + decode_quintuplet(tvb, offset+1, tree, 1, 1));
|
|
|
|
}
|
|
|
|
/* GPRS: not present
|
|
* UMTS: 29.060 v4.0, chapter 7.7.36
|
|
* 24.008 v4.2, chapter 10.5.6.12
|
|
*/
|
|
static int
|
|
decode_gtp_tft(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
guint16 length, port1, port2, tos;
|
|
guint8 tft_flags, tft_code, no_packet_filters, i, pf_id, pf_eval, pf_len, pf_content_id, proto, spare;
|
|
guint pf_offset;
|
|
guint32 mask_ipv4, addr_ipv4, ipsec_id, label;
|
|
struct e_in6_addr addr_ipv6, mask_ipv6;
|
|
proto_tree *ext_tree_tft, *ext_tree_tft_pf, *ext_tree_tft_flags;
|
|
proto_item *te, *tee, *tef;
|
|
|
|
length = tvb_get_ntohs(tvb, offset+1);
|
|
|
|
te = proto_tree_add_text(tree, tvb, offset, 3+length, "Traffic flow template");
|
|
ext_tree_tft = proto_item_add_subtree(te, ett_gtp_tft);
|
|
|
|
tft_flags = tvb_get_guint8(tvb, offset+3);
|
|
tft_code = (tft_flags >> 5) & 0x07;
|
|
spare = (tft_flags >> 4) & 0x01;
|
|
no_packet_filters = tft_flags & 0x0F;
|
|
|
|
proto_tree_add_text(ext_tree_tft, tvb, offset+1, 2, "TFT length: %u", length);
|
|
|
|
tef = proto_tree_add_text (ext_tree_tft, tvb, offset + 3, 1, "TFT flags");
|
|
ext_tree_tft_flags = proto_item_add_subtree (tef, ett_gtp_tft_flags);
|
|
proto_tree_add_uint (ext_tree_tft_flags, hf_gtp_tft_code, tvb, offset + 3, 1, tft_flags);
|
|
proto_tree_add_uint (ext_tree_tft_flags, hf_gtp_tft_spare, tvb, offset + 3, 1, tft_flags);
|
|
proto_tree_add_uint (ext_tree_tft_flags, hf_gtp_tft_number, tvb, offset + 3, 1, tft_flags);
|
|
|
|
offset = offset + 4;
|
|
|
|
for (i=0;i<no_packet_filters;i++) {
|
|
|
|
pf_id = tvb_get_guint8(tvb, offset);
|
|
|
|
tee = proto_tree_add_text (ext_tree_tft, tvb, offset, 1, "Packet filter id: %u", pf_id);
|
|
ext_tree_tft_pf = proto_item_add_subtree (tee, ett_gtp_tft_pf);
|
|
offset++;
|
|
|
|
if (tft_code != 2) {
|
|
|
|
pf_eval = tvb_get_guint8(tvb, offset);
|
|
pf_len = tvb_get_guint8(tvb, offset + 1);
|
|
|
|
proto_tree_add_uint (ext_tree_tft_pf, hf_gtp_tft_eval, tvb, offset, 1, pf_eval);
|
|
proto_tree_add_text (ext_tree_tft_pf, tvb, offset+1, 1, "Content length: %u", pf_len);
|
|
|
|
offset = offset + 2;
|
|
pf_offset = 0;
|
|
|
|
while (pf_offset < pf_len) {
|
|
|
|
pf_content_id = tvb_get_guint8 (tvb, offset + pf_offset);
|
|
|
|
switch (pf_content_id) {
|
|
/* address IPv4 and mask = 8 bytes*/
|
|
case 0x10:
|
|
tvb_memcpy (tvb, (guint8 *)&addr_ipv4, offset + pf_offset + 1, sizeof addr_ipv4);
|
|
tvb_memcpy (tvb, (guint8 *)&mask_ipv4, offset + pf_offset + 5, sizeof mask_ipv4);
|
|
proto_tree_add_text (ext_tree_tft_pf, tvb, offset + pf_offset, 9, "ID 0x10: IPv4/mask: %s/%s", ip_to_str ((guint8 *)&addr_ipv4), ip_to_str ((guint8 *)&mask_ipv4));
|
|
pf_offset = pf_offset + 9;
|
|
break;
|
|
/* address IPv6 and mask = 32 bytes*/
|
|
case 0x20:
|
|
tvb_memcpy (tvb, (guint8 *)&addr_ipv6, offset+pf_offset+1, sizeof addr_ipv6);
|
|
tvb_memcpy (tvb, (guint8 *)&mask_ipv6, offset+pf_offset+17, sizeof mask_ipv6);
|
|
proto_tree_add_text (ext_tree_tft_pf, tvb, offset+pf_offset, 33, "ID 0x20: IPv6/mask: %s/%s", ip6_to_str ((struct e_in6_addr*)&addr_ipv6), ip6_to_str ((struct e_in6_addr*)&mask_ipv6));
|
|
pf_offset = pf_offset + 33;
|
|
break;
|
|
/* protocol identifier/next header type = 1 byte*/
|
|
case 0x30:
|
|
proto = tvb_get_guint8 (tvb, offset + pf_offset + 1);
|
|
proto_tree_add_text (ext_tree_tft_pf, tvb, offset + pf_offset, 2, "ID 0x30: IPv4 protocol identifier/IPv6 next header: %u (%x)", proto, proto);
|
|
pf_offset = pf_offset + 2;
|
|
break;
|
|
/* single destination port type = 2 bytes */
|
|
case 0x40:
|
|
port1 = tvb_get_ntohs (tvb, offset + pf_offset + 1);
|
|
proto_tree_add_text (ext_tree_tft_pf, tvb, offset + pf_offset, 3, "ID 0x40: destination port: %u", port1);
|
|
pf_offset = pf_offset + 3;
|
|
break;
|
|
/* destination port range type = 4 bytes */
|
|
case 0x41:
|
|
port1 = tvb_get_ntohs (tvb, offset + pf_offset + 1);
|
|
port2 = tvb_get_ntohs (tvb, offset + pf_offset + 3);
|
|
proto_tree_add_text (ext_tree_tft_pf, tvb, offset + pf_offset, 5, "ID 0x41: destination port range: %u - %u", port1, port2);
|
|
pf_offset = pf_offset + 5;
|
|
break;
|
|
/* single source port type = 2 bytes */
|
|
case 0x50:
|
|
port1 = tvb_get_ntohs (tvb, offset + pf_offset + 1);
|
|
proto_tree_add_text (ext_tree_tft_pf, tvb, offset + pf_offset, 3, "ID 0x50: source port: %u", port1);
|
|
pf_offset = pf_offset + 3;
|
|
break;
|
|
/* source port range type = 4 bytes */
|
|
case 0x51:
|
|
port1 = tvb_get_ntohs (tvb, offset + pf_offset + 1);
|
|
port2 = tvb_get_ntohs (tvb, offset + pf_offset + 3);
|
|
proto_tree_add_text (ext_tree_tft_pf, tvb, offset + pf_offset, 5, "ID 0x51: source port range: %u - %u", port1, port2);
|
|
pf_offset = pf_offset + 5;
|
|
break;
|
|
/* security parameter index type = 4 bytes */
|
|
case 0x60:
|
|
ipsec_id = tvb_get_ntohl (tvb, offset + pf_offset + 1);
|
|
proto_tree_add_text (ext_tree_tft_pf, tvb, offset + pf_offset, 5, "ID 0x60: security parameter index: %x", ipsec_id);
|
|
pf_offset = pf_offset + 5;
|
|
break;
|
|
/* type of service/traffic class type = 2 bytes */
|
|
case 0x70:
|
|
tos = tvb_get_ntohs (tvb, offset + pf_offset + 1);
|
|
proto_tree_add_text (ext_tree_tft_pf, tvb, offset + pf_offset, 2, "ID 0x70: Type of Service/Traffic Class: %u (%x)", tos, tos);
|
|
pf_offset = pf_offset + 3;
|
|
break;
|
|
/* flow label type = 3 bytes */
|
|
case 0x80:
|
|
label = tvb_get_ntoh24(tvb, offset + pf_offset + 1) & 0x0FFFFF;
|
|
proto_tree_add_text (ext_tree_tft_pf, tvb, offset + pf_offset, 4, "ID 0x80: Flow Label: %u (%x)", label, label);
|
|
pf_offset = pf_offset + 4;
|
|
break;
|
|
|
|
default:
|
|
proto_tree_add_text (ext_tree_tft_pf, tvb, offset + pf_offset, 1, "Unknown value: %x ", pf_content_id);
|
|
pf_offset++; /* to avoid infinite loop */
|
|
break;
|
|
}
|
|
}
|
|
|
|
offset = offset + pf_offset;
|
|
}
|
|
}
|
|
|
|
return 3 + length;
|
|
}
|
|
|
|
/* GPRS: not present
|
|
* UMTS: 29.060 v4.0, chapter 7.7.37
|
|
* 25.413 v3.4, chapter ???
|
|
*/
|
|
static int
|
|
decode_gtp_target_id(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
guint16 length;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
|
|
proto_tree_add_text(tree, tvb, offset, 3 + length, "Targer Identification");
|
|
|
|
return 3 + length;
|
|
}
|
|
|
|
|
|
/* GPRS: not present
|
|
* UMTS: 29.060 v4.0, chapter 7.7.38
|
|
*/
|
|
static int
|
|
decode_gtp_utran_cont(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
guint16 length;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
|
|
proto_tree_add_text(tree, tvb, offset, 3 + length, "UTRAN transparent field");
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
|
|
|
|
/* GPRS: not present
|
|
* UMTS: 29.060 v4.0, chapter 7.7.39
|
|
*/
|
|
static int
|
|
decode_gtp_rab_setup(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
guint32 teid, addr_ipv4;
|
|
guint16 length;
|
|
guint8 nsapi;
|
|
struct e_in6_addr addr_ipv6;
|
|
proto_tree *ext_tree_rab_setup;
|
|
proto_item *te;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
nsapi = tvb_get_guint8(tvb, offset + 3) & 0x0F;
|
|
|
|
te = proto_tree_add_text(tree, tvb, offset, 3+length, "Radio Access Bearer Setup Information");
|
|
ext_tree_rab_setup = proto_item_add_subtree(te, ett_gtp_rab_setup);
|
|
|
|
proto_tree_add_text(ext_tree_rab_setup, tvb, offset+1, 2, "RAB setup length : %u", length);
|
|
proto_tree_add_uint(ext_tree_rab_setup, hf_gtp_nsapi, tvb, offset+3, 1, nsapi);
|
|
|
|
if (length > 1) {
|
|
|
|
teid = tvb_get_ntohl(tvb, offset + 4);
|
|
|
|
proto_tree_add_uint(ext_tree_rab_setup, hf_gtp_teid_data, tvb, offset+4, 4, teid);
|
|
|
|
switch (length) {
|
|
case 12:
|
|
tvb_memcpy(tvb, (guint8 *)&addr_ipv4, offset+8, sizeof addr_ipv4);
|
|
proto_tree_add_ipv4(ext_tree_rab_setup, hf_gtp_rnc_ipv4, tvb, offset+8, 4, addr_ipv4);
|
|
break;
|
|
case 24:
|
|
tvb_memcpy(tvb, (guint8 *)&addr_ipv6, offset+8, sizeof addr_ipv6);
|
|
proto_tree_add_ipv6(ext_tree_rab_setup, hf_gtp_rnc_ipv6, tvb, offset+8, 16, (guint8 *)&addr_ipv6);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
return 3 + length;
|
|
}
|
|
|
|
|
|
/* GPRS: not present
|
|
* UMTS: 29.060 v4.0, chapter 7.7.40
|
|
*/
|
|
static int
|
|
decode_gtp_hdr_list(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
int i;
|
|
guint8 length, hdr;
|
|
proto_tree *ext_tree_hdr_list;
|
|
proto_item *te;
|
|
|
|
length = tvb_get_guint8(tvb, offset + 1);
|
|
|
|
te = proto_tree_add_text(tree, tvb, offset, 2+length, "%s", val_to_str(GTP_EXT_HDR_LIST, gtp_val, "Unknown"));
|
|
ext_tree_hdr_list = proto_item_add_subtree(te, ett_gtp_hdr_list);
|
|
|
|
proto_tree_add_text(ext_tree_hdr_list, tvb, offset+1, 1, "Number of Extension Header Types in list (i.e., length) : %u", length);
|
|
|
|
for(i=0 ; i<length ; i++) {
|
|
hdr = tvb_get_guint8(tvb, offset+2+i);
|
|
|
|
proto_tree_add_text(ext_tree_hdr_list, tvb, offset+2+i, 1, "No. %u --> Extension Header Type value : %s (%u)", i+1, val_to_str(hdr, gtp_val, "Unknown Extension Header Type"), hdr);
|
|
}
|
|
|
|
return 2 + length;
|
|
}
|
|
|
|
/* GPRS: not present
|
|
* UMTS: 29.060 v4.0, chapter 7.7.41
|
|
* TODO: find TriggerID description
|
|
*/
|
|
static int
|
|
decode_gtp_trigger_id(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
guint16 length;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
|
|
proto_tree_add_text(tree, tvb, offset, 3+length, "%s length : %u", val_to_str(GTP_EXT_TRIGGER_ID, gtp_val, "Unknown"), length);
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
|
|
/* GPRS: not present
|
|
* UMTS: 29.060 v4.0, chapter 7.7.42
|
|
* TODO: find OMC-ID description
|
|
*/
|
|
static int
|
|
decode_gtp_omc_id(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
guint16 length;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
|
|
proto_tree_add_text(tree, tvb, offset, 3+length, "%s length : %u", val_to_str(GTP_EXT_OMC_ID, gtp_val, "Unknown"), length);
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.25
|
|
* UMTS: 29.060 v4.0, chapter 7.7.43
|
|
*/
|
|
static int
|
|
decode_gtp_chrg_addr(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
guint16 length;
|
|
guint32 addr_ipv4;
|
|
struct e_in6_addr addr_ipv6;
|
|
proto_tree *ext_tree_chrg_addr;
|
|
proto_item *te;
|
|
|
|
length = tvb_get_ntohs(tvb, offset+1);
|
|
|
|
te = proto_tree_add_text(tree, tvb, offset, 3+length, "%s : ", val_to_str(GTP_EXT_CHRG_ADDR, gtp_val, "Unknown"));
|
|
ext_tree_chrg_addr = proto_item_add_subtree(te, ett_gtp_chrg_addr);
|
|
|
|
proto_tree_add_text(ext_tree_chrg_addr, tvb, offset+1, 2, "%s length : %u", val_to_str(GTP_EXT_CHRG_ADDR, gtp_val, "Unknown"), length);
|
|
|
|
switch (length) {
|
|
case 4:
|
|
tvb_memcpy(tvb, (guint8 *)&addr_ipv4, offset+3, sizeof addr_ipv4);
|
|
proto_item_append_text(te, "%s", ip_to_str((guint8 *)&addr_ipv4));
|
|
proto_tree_add_ipv4 (ext_tree_chrg_addr, hf_gtp_chrg_ipv4, tvb, offset+3, 4, addr_ipv4);
|
|
break;
|
|
case 16:
|
|
tvb_memcpy(tvb, (guint8 *)&addr_ipv6, offset+3, sizeof addr_ipv6);
|
|
proto_item_append_text(te, "%s", ip6_to_str((struct e_in6_addr*)&addr_ipv6));
|
|
proto_tree_add_ipv6 (ext_tree_chrg_addr, hf_gtp_chrg_ipv6, tvb, offset+3, 16, (guint8*)&addr_ipv6);
|
|
break;
|
|
default:
|
|
proto_item_append_text(te, "unknown type or wrong length");
|
|
break;
|
|
}
|
|
|
|
return 3 + length;
|
|
}
|
|
|
|
/* GPRS: 12.15
|
|
* UMTS: 33.015
|
|
*/
|
|
static int
|
|
decode_gtp_rel_pack(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
guint16 length, n, number;
|
|
proto_tree *ext_tree_rel_pack;
|
|
proto_item *te;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
|
|
te = proto_tree_add_text(tree, tvb, offset, 3 + length, "Sequence numbers of released packets IE");
|
|
ext_tree_rel_pack = proto_item_add_subtree(te, ett_gtp_rel_pack);
|
|
|
|
n = 0;
|
|
|
|
while (n < length) {
|
|
|
|
number = tvb_get_ntohs(tvb, offset + 3 + n);
|
|
proto_tree_add_text(ext_tree_rel_pack, tvb, offset + 3 + n, 2, "%u", number);
|
|
n = n + 2;
|
|
|
|
}
|
|
|
|
return 3 + length;
|
|
}
|
|
|
|
/* GPRS: 12.15
|
|
* UMTS: 33.015
|
|
*/
|
|
static int
|
|
decode_gtp_can_pack(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
guint16 length, n, number;
|
|
proto_tree *ext_tree_can_pack;
|
|
proto_item *te;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
|
|
te = proto_tree_add_text(tree, tvb, offset, 3 + length, "Sequence numbers of cancelled packets IE");
|
|
ext_tree_can_pack = proto_item_add_subtree(te, ett_gtp_can_pack);
|
|
|
|
n = 0;
|
|
|
|
while (n < length) {
|
|
|
|
number = tvb_get_ntohs(tvb, offset + 3 + n);
|
|
proto_tree_add_text(ext_tree_can_pack, tvb, offset + 3 + n, 2, "%u", number);
|
|
n = n + 2;
|
|
}
|
|
|
|
return 3 + length;
|
|
}
|
|
|
|
/* CDRs dissector */
|
|
static int
|
|
decode_gtp_data_req(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
guint16 length, format_ver;
|
|
guint8 no, format;
|
|
proto_tree *ext_tree;
|
|
proto_item *te;
|
|
tvbuff_t *next_tvb;
|
|
|
|
te = proto_tree_add_text(tree, tvb, offset, 1, val_to_str(GTP_EXT_DATA_REQ, gtp_val, "Unknown message"));
|
|
ext_tree = proto_item_add_subtree(te, ett_gtp_ext);
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
no = tvb_get_guint8(tvb, offset + 3);
|
|
format = tvb_get_guint8(tvb, offset + 4);
|
|
format_ver = tvb_get_ntohs(tvb, offset + 5);
|
|
|
|
proto_tree_add_text(ext_tree, tvb, offset+1, 2, "Length: %u", length);
|
|
proto_tree_add_text(ext_tree, tvb, offset+3, 1, "Number of data records: %u", no);
|
|
proto_tree_add_text(ext_tree, tvb, offset+4, 1, "Data record format: %u", format);
|
|
proto_tree_add_text(ext_tree, tvb, offset+5, 2, "Data record format version: %u", format_ver);
|
|
|
|
if (gtpcdr_handle) {
|
|
next_tvb = tvb_new_subset (tvb, offset, -1, -1);
|
|
call_dissector (gtpcdr_handle, next_tvb, pinfo, tree);
|
|
}
|
|
else
|
|
proto_tree_add_text (tree, tvb, offset, 0, "Data");
|
|
|
|
return 3+length;
|
|
}
|
|
|
|
/* GPRS: 12.15
|
|
* UMTS: 33.015
|
|
*/
|
|
static int
|
|
decode_gtp_data_resp(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
guint16 length, n, number;
|
|
proto_tree *ext_tree_data_resp;
|
|
proto_item *te;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
|
|
te = proto_tree_add_text(tree, tvb, offset, 3 + length, "Requests responded");
|
|
ext_tree_data_resp = proto_item_add_subtree(te, ett_gtp_data_resp);
|
|
|
|
n = 0;
|
|
|
|
while (n < length) {
|
|
|
|
number = tvb_get_ntohs(tvb, offset + 3 + n);
|
|
proto_tree_add_text(ext_tree_data_resp, tvb, offset + 3 + n, 2, "%u", number);
|
|
n = n + 2;
|
|
|
|
}
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
|
|
/* GPRS: 12.15
|
|
* UMTS: 33.015
|
|
*/
|
|
static int
|
|
decode_gtp_node_addr(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
guint16 length;
|
|
guint32 addr_ipv4;
|
|
struct e_in6_addr addr_ipv6;
|
|
proto_tree *ext_tree_node_addr;
|
|
proto_item *te;
|
|
|
|
length = tvb_get_ntohs(tvb, offset+1);
|
|
|
|
te = proto_tree_add_text(tree, tvb, offset, 3+length, "Node address: ");
|
|
ext_tree_node_addr = proto_item_add_subtree(te, ett_gtp_node_addr);
|
|
|
|
proto_tree_add_text (ext_tree_node_addr, tvb, offset+1, 2, "Node address length: %u", length);
|
|
|
|
switch (length) {
|
|
case 4:
|
|
tvb_memcpy(tvb, (guint8 *)&addr_ipv4, offset+3, sizeof addr_ipv4);
|
|
proto_item_append_text(te, "%s", ip_to_str((guint8 *)&addr_ipv4));
|
|
proto_tree_add_ipv4 (ext_tree_node_addr, hf_gtp_node_ipv4, tvb, offset+3, 4, addr_ipv4);
|
|
break;
|
|
case 16:
|
|
tvb_memcpy(tvb, (guint8 *)&addr_ipv6, offset+3, sizeof addr_ipv6);
|
|
proto_item_append_text(te, "%s", ip6_to_str((struct e_in6_addr*)&addr_ipv6));
|
|
proto_tree_add_ipv6 (ext_tree_node_addr, hf_gtp_node_ipv6, tvb, offset+3, 16, (guint8*)&addr_ipv6);
|
|
break;
|
|
default:
|
|
proto_item_append_text(te, "unknown type or wrong length");
|
|
break;
|
|
}
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.26
|
|
* UMTS: 29.060 v4.0, chapter 7.7.44
|
|
*/
|
|
static int
|
|
decode_gtp_priv_ext(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
guint16 length, ext_id;
|
|
proto_tree *ext_tree_priv_ext;
|
|
proto_item *te;
|
|
|
|
te = proto_tree_add_text(tree, tvb, offset, 1, val_to_str(GTP_EXT_PRIV_EXT, gtp_val, "Unknown message"));
|
|
ext_tree_priv_ext = proto_item_add_subtree(te, ett_gtp_ext);
|
|
|
|
length = tvb_get_ntohs(tvb, offset+1);
|
|
if (length >= 2) {
|
|
ext_id = tvb_get_ntohs(tvb, offset+3);
|
|
proto_tree_add_uint(ext_tree_priv_ext, hf_gtp_ext_id, tvb, offset+3, 2, ext_id);
|
|
|
|
/*
|
|
* XXX - is this always a text string? Or should it be
|
|
* displayed as hex data?
|
|
*/
|
|
if (length > 2)
|
|
proto_tree_add_item(ext_tree_priv_ext, hf_gtp_ext_val, tvb, offset+5, length-2, FALSE);
|
|
}
|
|
|
|
return 3+length;
|
|
}
|
|
|
|
static int
|
|
decode_gtp_unknown(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) {
|
|
|
|
proto_tree_add_text(tree, tvb, offset, 1, "Unknown extension header");
|
|
|
|
return tvb_length_remaining(tvb, offset);
|
|
}
|
|
|
|
static void
|
|
dissect_gtp (tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
struct _gtp_hdr gtp_hdr;
|
|
proto_tree *gtp_tree, *flags_tree;
|
|
proto_item *ti, *tf;
|
|
int i, offset, length, gtp_prime, checked_field, mandatory;
|
|
int seq_no, flow_label;
|
|
guint8 pdu_no, next_hdr = 0, ext_hdr_val;
|
|
const guint8 *tid_val;
|
|
gchar *tid_str;
|
|
guint32 teid;
|
|
tvbuff_t *next_tvb;
|
|
guint8 sub_proto, acfield_len = 0, control_field;
|
|
|
|
if (check_col(pinfo->cinfo, COL_PROTOCOL))
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "GTP");
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
|
|
tvb_memcpy(tvb, (guint8 *)>p_hdr, 0, 4);
|
|
|
|
if (!(gtp_hdr.flags & 0x10))
|
|
gtp_prime = 1;
|
|
else
|
|
gtp_prime = 0;
|
|
|
|
switch ((gtp_hdr.flags >> 5) & 0x07) {
|
|
case 0:
|
|
gtp_version = 0;
|
|
break;
|
|
case 1:
|
|
gtp_version = 1;
|
|
break;
|
|
default:
|
|
gtp_version = 1;
|
|
break;
|
|
}
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
col_add_str(pinfo->cinfo, COL_INFO, val_to_str(gtp_hdr.message, message_type, "Unknown"));
|
|
|
|
if (tree) {
|
|
ti = proto_tree_add_item (tree, proto_gtp, tvb, 0, -1, FALSE);
|
|
gtp_tree = proto_item_add_subtree(ti, ett_gtp);
|
|
|
|
tf = proto_tree_add_uint (gtp_tree, hf_gtp_flags, tvb, 0, 1, gtp_hdr.flags);
|
|
flags_tree = proto_item_add_subtree (tf, ett_gtp_flags);
|
|
|
|
proto_tree_add_uint (flags_tree, hf_gtp_flags_ver, tvb, 0, 1, gtp_hdr.flags);
|
|
proto_tree_add_uint (flags_tree, hf_gtp_flags_pt, tvb, 0, 1, gtp_hdr.flags);
|
|
|
|
switch (gtp_version) {
|
|
case 0:
|
|
proto_tree_add_uint (flags_tree, hf_gtp_flags_spare1, tvb, 0, 1, gtp_hdr.flags);
|
|
proto_tree_add_boolean (flags_tree, hf_gtp_flags_snn, tvb, 0, 1, gtp_hdr.flags);
|
|
break;
|
|
case 1:
|
|
proto_tree_add_uint (flags_tree, hf_gtp_flags_spare2, tvb, 0, 1, gtp_hdr.flags);
|
|
proto_tree_add_boolean (flags_tree, hf_gtp_flags_e, tvb, 0, 1, gtp_hdr.flags);
|
|
proto_tree_add_boolean (flags_tree, hf_gtp_flags_s, tvb, 0, 1, gtp_hdr.flags);
|
|
proto_tree_add_boolean (flags_tree, hf_gtp_flags_pn, tvb, 0, 1, gtp_hdr.flags);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
proto_tree_add_uint (gtp_tree, hf_gtp_message_type, tvb, 1, 1, gtp_hdr.message);
|
|
|
|
gtp_hdr.length = g_ntohs (gtp_hdr.length);
|
|
proto_tree_add_uint (gtp_tree, hf_gtp_length, tvb, 2, 2, gtp_hdr.length);
|
|
|
|
offset = 4;
|
|
|
|
if (gtp_prime) {
|
|
seq_no = tvb_get_ntohs (tvb, offset);
|
|
proto_tree_add_uint (gtp_tree, hf_gtp_seq_number, tvb, offset, 2, seq_no);
|
|
offset += 2;
|
|
} else
|
|
switch (gtp_version) {
|
|
case 0:
|
|
seq_no = tvb_get_ntohs (tvb, offset);
|
|
proto_tree_add_uint (gtp_tree, hf_gtp_seq_number, tvb, offset, 2, seq_no);
|
|
offset += 2;
|
|
|
|
flow_label = tvb_get_ntohs (tvb, offset);
|
|
proto_tree_add_uint (gtp_tree, hf_gtp_flow_label, tvb, offset, 2, flow_label);
|
|
offset += 2;
|
|
|
|
pdu_no = tvb_get_guint8 (tvb, offset);
|
|
proto_tree_add_uint (gtp_tree, hf_gtp_sndcp_number, tvb, offset, 1, pdu_no);
|
|
offset += 4;
|
|
|
|
tid_val = tvb_get_ptr(tvb, offset, 8);
|
|
tid_str = id_to_str (tid_val);
|
|
proto_tree_add_string (gtp_tree, hf_gtp_tid, tvb, offset, 8, tid_str);
|
|
offset += 8;
|
|
break;
|
|
case 1:
|
|
teid = tvb_get_ntohl (tvb, offset);
|
|
proto_tree_add_uint (gtp_tree, hf_gtp_teid, tvb, offset, 4, teid);
|
|
offset += 4;
|
|
|
|
if (gtp_hdr.flags & 0x07) {
|
|
seq_no = tvb_get_ntohs (tvb, offset);
|
|
proto_tree_add_uint (gtp_tree, hf_gtp_seq_number, tvb, offset, 2, seq_no);
|
|
offset += 2;
|
|
|
|
pdu_no = tvb_get_guint8 (tvb, offset);
|
|
proto_tree_add_uint (gtp_tree, hf_gtp_npdu_number, tvb, offset, 1, pdu_no);
|
|
offset++;
|
|
|
|
next_hdr = tvb_get_guint8 (tvb, offset);
|
|
proto_tree_add_uint (gtp_tree, hf_gtp_next, tvb, offset, 1, next_hdr);
|
|
if (!next_hdr)
|
|
offset++;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
|
|
if (gtp_hdr.message != GTP_MSG_TPDU) {
|
|
proto_tree_add_text(gtp_tree, tvb, 0, 0, "[--- end of GTP header, beginning of extension headers ---]");
|
|
length = tvb_length (tvb);
|
|
mandatory = 0; /* check order of GTP fields against ETSI */
|
|
for (;;) {
|
|
if (offset >= length)
|
|
break;
|
|
if (next_hdr) {
|
|
ext_hdr_val = next_hdr;
|
|
next_hdr = 0;
|
|
}
|
|
else
|
|
ext_hdr_val = tvb_get_guint8 (tvb, offset);
|
|
if (gtp_etsi_order) {
|
|
checked_field = check_field_presence (gtp_hdr.message, ext_hdr_val , (int *)&mandatory);
|
|
switch (checked_field) {
|
|
case -2: proto_tree_add_text (gtp_tree, tvb, 0, 0, "[WARNING] message not found");
|
|
break;
|
|
case -1: proto_tree_add_text (gtp_tree, tvb, 0, 0, "[WARNING] field not present");
|
|
break;
|
|
case 0: break;
|
|
default: proto_tree_add_text (gtp_tree, tvb, offset, 1, "[WARNING] wrong next field, should be: %s", val_to_str(checked_field, gtp_val, "Unknown extension field"));
|
|
break;
|
|
}
|
|
}
|
|
|
|
i = -1;
|
|
while (gtpopt[++i].optcode)
|
|
if (gtpopt[i].optcode == ext_hdr_val)
|
|
break;
|
|
offset = offset + (*gtpopt[i].decode)(tvb, offset, pinfo, gtp_tree);
|
|
}
|
|
}
|
|
}
|
|
|
|
if ((gtp_hdr.message == GTP_MSG_TPDU) && gtp_tpdu) {
|
|
|
|
if (gtp_prime)
|
|
offset = 6;
|
|
else
|
|
if (gtp_version == 1) {
|
|
if (gtp_hdr.flags & 0x07) {
|
|
offset = 11;
|
|
if (tvb_get_guint8 (tvb, offset) == 0)
|
|
offset++;
|
|
}
|
|
else
|
|
offset = 8;
|
|
}
|
|
else
|
|
offset = 20;
|
|
|
|
sub_proto = tvb_get_guint8 (tvb, offset);
|
|
|
|
if ((sub_proto >= 0x45) && (sub_proto <= 0x4e)) {
|
|
/* this is most likely an IPv4 packet
|
|
* we can exclude 0x40 - 0x44 because the minimum header size is 20 octets
|
|
* 0x4f is excluded because PPP protocol type "IPv6 header compression"
|
|
* with protocol field compression is more likely than a plain IPv4 packet with 60 octet header size */
|
|
|
|
next_tvb = tvb_new_subset (tvb, offset, -1, -1);
|
|
call_dissector(ip_handle, next_tvb, pinfo, tree);
|
|
|
|
} else
|
|
if ((sub_proto & 0xf0) == 0x60){
|
|
/* this is most likely an IPv6 packet */
|
|
next_tvb = tvb_new_subset (tvb, offset, -1, -1);
|
|
call_dissector (ipv6_handle, next_tvb, pinfo, tree);
|
|
} else {
|
|
/* this seems to be a PPP packet */
|
|
|
|
if (sub_proto == 0xff) {
|
|
/* this might be an address field, even it shouldn't be here */
|
|
control_field = tvb_get_guint8 (tvb, offset + 1);
|
|
if (control_field == 0x03)
|
|
/* now we are pretty sure that address and control field are mistakenly inserted -> ignore it for PPP dissection */
|
|
acfield_len = 2;
|
|
}
|
|
|
|
next_tvb = tvb_new_subset (tvb, offset + acfield_len, -1, -1);
|
|
call_dissector (ppp_handle, next_tvb, pinfo, tree);
|
|
}
|
|
|
|
if (check_col(pinfo->cinfo, COL_PROTOCOL))
|
|
col_append_str_gtp(pinfo->cinfo, COL_PROTOCOL, "GTP");
|
|
}
|
|
}
|
|
|
|
static const true_false_string yes_no_tfs = {
|
|
"yes" ,
|
|
"no"
|
|
};
|
|
|
|
void
|
|
proto_register_gtp(void)
|
|
{
|
|
static hf_register_info hf_gtp[] = {
|
|
{ &hf_gtp_apn, { "APN", "gtp.apn", FT_STRING, BASE_DEC, NULL, 0, "Access Point Name", HFILL }},
|
|
{ &hf_gtp_cause, { "Cause ", "gtp.cause", FT_UINT8, BASE_DEC, VALS(cause_type), 0, "Cause of operation", HFILL }},
|
|
{ &hf_gtp_chrg_char, { "Charging characteristics", "gtp.chrg_char", FT_UINT16, BASE_DEC, NULL, 0, "Charging characteristics", HFILL }},
|
|
{ &hf_gtp_chrg_char_s, { "Spare", "gtp.chrg_char_s", FT_UINT16, BASE_DEC, NULL, GTP_MASK_CHRG_CHAR_S, "Spare", HFILL }},
|
|
{ &hf_gtp_chrg_char_n, { "Normal charging", "gtp.chrg_char_n", FT_UINT16, BASE_DEC, NULL, GTP_MASK_CHRG_CHAR_N, "Normal charging", HFILL }},
|
|
{ &hf_gtp_chrg_char_p, { "Prepaid charging", "gtp.chrg_char_p", FT_UINT16, BASE_DEC, NULL, GTP_MASK_CHRG_CHAR_P, "Prepaid charging", HFILL }},
|
|
{ &hf_gtp_chrg_char_f, { "Flat rate charging", "gtp.chrg_char_f", FT_UINT16, BASE_DEC, NULL, GTP_MASK_CHRG_CHAR_F, "Flat rate charging", HFILL }},
|
|
{ &hf_gtp_chrg_char_h, { "Hot billing charging", "gtp.chrg_char_h", FT_UINT16, BASE_DEC, NULL, GTP_MASK_CHRG_CHAR_H, "Hot billing charging", HFILL }},
|
|
{ &hf_gtp_chrg_char_r, { "Reserved", "gtp.chrg_char_r", FT_UINT16, BASE_DEC, NULL, GTP_MASK_CHRG_CHAR_R, "Reserved", HFILL }},
|
|
{ &hf_gtp_chrg_id, { "Charging ID", "gtp.chrg_id", FT_UINT32, BASE_HEX, NULL, 0, "Charging ID", HFILL }},
|
|
{ &hf_gtp_chrg_ipv4, { "CG address IPv4", "gtp.chrg_ipv4", FT_IPv4, BASE_DEC, NULL, 0, "Charging Gateway address IPv4", HFILL }},
|
|
{ &hf_gtp_chrg_ipv6, { "CG address IPv6", "gtp.chrg_ipv6", FT_IPv6, BASE_HEX, NULL, 0, "Charging Gateway address IPv6", HFILL }},
|
|
{ &hf_gtp_ext_flow_label, { "Flow Label Data I", "gtp.ext_flow_label", FT_UINT16, BASE_HEX, NULL, 0, "Flow label data", HFILL }},
|
|
{ &hf_gtp_ext_id, { "Extension identifier", "gtp.ext_id", FT_UINT16, BASE_DEC, NULL, 0, "Extension Identifier", HFILL }},
|
|
{ &hf_gtp_ext_val, { "Extension value", "gtp.ext_val", FT_STRING, BASE_DEC, NULL, 0, "Extension Value", HFILL }},
|
|
{ &hf_gtp_flags, { "Flags", "gtp.flags", FT_UINT8, BASE_HEX, NULL, 0, "Ver/PT/Spare...", HFILL }},
|
|
{ &hf_gtp_flags_ver, { "Version", "gtp.flags.version", FT_UINT8, BASE_DEC, VALS(ver_types), GTP_VER_MASK, "GTP Version", HFILL }},
|
|
{ &hf_gtp_flags_pt, { "Protocol type", "gtp.flags.payload", FT_UINT8, BASE_DEC, NULL, GTP_PT_MASK, "Protocol Type", HFILL }},
|
|
{ &hf_gtp_flags_spare1, { "Reserved", "gtp.flags.reserved", FT_UINT8, BASE_DEC, NULL, GTP_SPARE1_MASK, "Reserved (shall be sent as '111' )", HFILL }},
|
|
{ &hf_gtp_flags_snn, { "Is SNDCP N-PDU included?", "gtp.flags.snn", FT_BOOLEAN, 8, TFS(&yes_no_tfs), GTP_SNN_MASK, "Is SNDCP N-PDU LLC Number included? (1 = yes, 0 = no)", HFILL }},
|
|
{ &hf_gtp_flags_spare2, { "Reserved", "gtp.flags.reserved", FT_UINT8, BASE_DEC, NULL, GTP_SPARE2_MASK, "Reserved (shall be sent as '1' )", HFILL }},
|
|
{ &hf_gtp_flags_e, { "Is Next Extension Header present?", "gtp.flags.e", FT_BOOLEAN, 8, TFS(&yes_no_tfs), GTP_E_MASK, "Is Next Extension Header present? (1 = yes, 0 = no)", HFILL }},
|
|
{ &hf_gtp_flags_s, { "Is Sequence Number present?", "gtp.flags.s", FT_BOOLEAN, 8, TFS(&yes_no_tfs), GTP_S_MASK, "Is Sequence Number present? (1 = yes, 0 = no)", HFILL }},
|
|
{ &hf_gtp_flags_pn, { "Is N-PDU number present?", "gtp.flags.pn", FT_BOOLEAN, 8, TFS(&yes_no_tfs), GTP_PN_MASK, "Is N-PDU number present? (1 = yes, 0 = no)", HFILL }},
|
|
{ &hf_gtp_flow_ii, { "Flow Label Data II ", "gtp.flow_ii", FT_UINT16, BASE_DEC, NULL, 0, "Downlink flow label data", HFILL }},
|
|
{ &hf_gtp_flow_label, { "Flow label", "gtp.flow_label", FT_UINT16, BASE_HEX, NULL, 0, "Flow label", HFILL }},
|
|
{ &hf_gtp_flow_sig, { "Flow label Signalling", "gtp.flow_sig", FT_UINT16, BASE_HEX, NULL, 0, "Flow label signalling", HFILL }},
|
|
{ &hf_gtp_gsn_addr_len, { "GSN Address Length", "gtp.gsn_addr_len", FT_UINT8, BASE_DEC, NULL, GTP_EXT_GSN_ADDR_LEN_MASK, "GSN Address Length", HFILL }},
|
|
{ &hf_gtp_gsn_addr_type, { "GSN Address Type", "gtp.gsn_addr_type", FT_UINT8, BASE_DEC, VALS(gsn_addr_type), GTP_EXT_GSN_ADDR_TYPE_MASK, "GSN Address Type", HFILL }},
|
|
{ &hf_gtp_gsn_ipv4, { "GSN address IPv4", "gtp.gsn_ipv4", FT_IPv4, BASE_DEC, NULL, 0, "GSN address IPv4", HFILL }},
|
|
{ &hf_gtp_gsn_ipv6, { "GSN address IPv6", "gtp.gsn_ipv6", FT_IPv6, BASE_DEC, NULL, 0, "GSN address IPv6", HFILL }},
|
|
{ &hf_gtp_imsi, { "IMSI", "gtp.imsi", FT_STRING, BASE_DEC, NULL, 0, "International Mobile Subscriber Identity number", HFILL }},
|
|
{ &hf_gtp_length, { "Length", "gtp.length", FT_UINT16, BASE_DEC, NULL, 0, "Length (i.e. number of octets after TID or TEID)", HFILL }},
|
|
{ &hf_gtp_map_cause, { "MAP cause", "gtp.map_cause", FT_UINT8, BASE_DEC, VALS(map_cause_type), 0, "MAP cause", HFILL }},
|
|
{ &hf_gtp_message_type, { "Message Type", "gtp.message", FT_UINT8, BASE_HEX, VALS(message_type), 0x0, "GTP Message Type", HFILL }},
|
|
{ &hf_gtp_ms_reason, { "MS not reachable reason", "gtp.ms_reason", FT_UINT8, BASE_DEC, VALS(ms_not_reachable_type), 0, "MS Not Reachable Reason", HFILL }},
|
|
{ &hf_gtp_ms_valid, { "MS validated", "gtp.ms_valid", FT_BOOLEAN, BASE_NONE,NULL, 0, "MS validated", HFILL }},
|
|
{ &hf_gtp_msisdn, { "MSISDN", "gtp.msisdn", FT_STRING, BASE_DEC, NULL, 0, "MS international PSTN/ISDN number", HFILL }},
|
|
{ &hf_gtp_next, { "Next extension header type", "gtp.next", FT_UINT8, BASE_HEX, NULL, 0, "Next Extension Header Type", HFILL }},
|
|
{ &hf_gtp_node_ipv4, { "Node address IPv4", "gtp.node_ipv4", FT_IPv4, BASE_DEC, NULL, 0, "Recommended node address IPv4", HFILL }},
|
|
{ &hf_gtp_node_ipv6, { "Node address IPv6", "gtp.node_ipv6", FT_IPv6, BASE_HEX, NULL, 0, "Recommended node address IPv6", HFILL }},
|
|
{ &hf_gtp_npdu_number, { "N-PDU Number", "gtp.npdu_number", FT_UINT8, BASE_HEX, NULL, 0, "N-PDU Number", HFILL }},
|
|
{ &hf_gtp_nsapi, { "NSAPI", "gtp.nsapi", FT_UINT8, BASE_DEC, NULL, 0, "Network layer Service Access Point Identifier", HFILL }},
|
|
{ &hf_gtp_qos_spare1, { "Spare", "gtp.qos_spare1", FT_UINT8, BASE_DEC, NULL, GTP_EXT_QOS_SPARE1_MASK, "Spare (shall be sent as '00' )", HFILL }},
|
|
{ &hf_gtp_qos_delay, { "QoS delay", "gtp.qos_delay", FT_UINT8, BASE_DEC, VALS(qos_delay_type), GTP_EXT_QOS_DELAY_MASK, "Quality of Service Delay Class", HFILL }},
|
|
{ &hf_gtp_qos_reliability, { "QoS reliability", "gtp.qos_reliabilty", FT_UINT8, BASE_DEC, VALS(qos_reliability_type), GTP_EXT_QOS_RELIABILITY_MASK, "Quality of Service Reliability Class", HFILL }},
|
|
{ &hf_gtp_qos_peak, { "QoS peak", "gtp.qos_peak", FT_UINT8, BASE_DEC, VALS(qos_peak_type), GTP_EXT_QOS_PEAK_MASK, "Quality of Service Peak Throughput", HFILL }},
|
|
{ &hf_gtp_qos_spare2, { "Spare", "gtp.qos_spare2",FT_UINT8, BASE_DEC, NULL, GTP_EXT_QOS_SPARE2_MASK, "Spare (shall be sent as 0)", HFILL }},
|
|
{ &hf_gtp_qos_precedence, { "QoS precedence", "gtp.qos_precedence", FT_UINT8, BASE_DEC, VALS(qos_precedence_type), GTP_EXT_QOS_PRECEDENCE_MASK, "Quality of Service Precedence Class", HFILL }},
|
|
{ &hf_gtp_qos_spare3, { "Spare", "gtp.qos_spare3", FT_UINT8, BASE_DEC, NULL, GTP_EXT_QOS_SPARE3_MASK, "Spare (shall be sent as '000' )", HFILL }},
|
|
{ &hf_gtp_qos_mean, { "QoS mean", "gtp.qos_mean", FT_UINT8, BASE_DEC, VALS(qos_mean_type), GTP_EXT_QOS_MEAN_MASK, "Quality of Service Mean Throughput", HFILL }},
|
|
{ &hf_gtp_qos_al_ret_priority, { "Allocation/Retention priority ","gtp.qos_al_ret_priority", FT_UINT8, BASE_DEC, NULL, 0, "Allocation/Retention Priority", HFILL }},
|
|
{ &hf_gtp_qos_traf_class, { "Traffic class", "gtp.qos_traf_class", FT_UINT8, BASE_DEC, VALS(qos_traf_class), GTP_EXT_QOS_TRAF_CLASS_MASK, "Traffic Class", HFILL }},
|
|
{ &hf_gtp_qos_del_order, { "Delivery order", "gtp.qos_del_order", FT_UINT8, BASE_DEC, VALS(qos_del_order), GTP_EXT_QOS_DEL_ORDER_MASK, "Delivery Order", HFILL }},
|
|
{ &hf_gtp_qos_del_err_sdu, { "Delivery of erroneous SDU", "gtp.qos_del_err_sdu", FT_UINT8, BASE_DEC, VALS(qos_del_err_sdu), GTP_EXT_QOS_DEL_ERR_SDU_MASK, "Delivery of Erroneous SDU", HFILL }},
|
|
{ &hf_gtp_qos_max_sdu_size, { "Maximum SDU size", "gtp.qos_max_sdu_size", FT_UINT8, BASE_DEC, VALS(qos_max_sdu_size), 0, "Maximum SDU size", HFILL }},
|
|
{ &hf_gtp_qos_max_ul, { "Maximum bit rate for uplink", "gtp.qos_max_ul", FT_UINT8, BASE_DEC, VALS(qos_max_ul), 0, "Maximum bit rate for uplink", HFILL }},
|
|
{ &hf_gtp_qos_max_dl, { "Maximum bit rate for downlink", "gtp.qos_max_dl", FT_UINT8, BASE_DEC, VALS(qos_max_dl), 0, "Maximum bit rate for downlink", HFILL }},
|
|
{ &hf_gtp_qos_res_ber, { "Residual BER", "gtp.qos_res_ber", FT_UINT8, BASE_DEC, VALS(qos_res_ber), GTP_EXT_QOS_RES_BER_MASK, "Residual Bit Error Rate", HFILL }},
|
|
{ &hf_gtp_qos_sdu_err_ratio, { "SDU Error ratio", "gtp.qos_sdu_err_ratio", FT_UINT8, BASE_DEC, VALS(qos_sdu_err_ratio), GTP_EXT_QOS_SDU_ERR_RATIO_MASK, "SDU Error Ratio", HFILL }},
|
|
{ &hf_gtp_qos_trans_delay, { "Transfer delay", "gtp.qos_trans_delay", FT_UINT8, BASE_DEC, VALS(qos_trans_delay), GTP_EXT_QOS_TRANS_DELAY_MASK, "Transfer Delay", HFILL }},
|
|
{ &hf_gtp_qos_traf_handl_prio, { "Traffic handling priority", "gtp.qos_traf_handl_prio", FT_UINT8, BASE_DEC, VALS(qos_traf_handl_prio), GTP_EXT_QOS_TRAF_HANDL_PRIORITY_MASK, "Traffic Handling Priority", HFILL }},
|
|
{ &hf_gtp_qos_guar_ul, { "Guaranteed bit rate for uplink", "gtp.qos_guar_ul", FT_UINT8, BASE_DEC, VALS(qos_guar_ul), 0, "Guaranteed bit rate for uplink", HFILL }},
|
|
{ &hf_gtp_qos_guar_dl, { "Guaranteed bit rate for downlink", "gtp.qos_guar_dl", FT_UINT8, BASE_DEC, VALS(qos_guar_dl), 0, "Guaranteed bit rate for downlink", HFILL }},
|
|
{ &hf_gtp_pkt_flow_id, { "Packet Flow ID", "gtp.pkt_flow_id", FT_UINT8, BASE_DEC, NULL, 0, "Packet Flow ID", HFILL }},
|
|
{ &hf_gtp_ptmsi, { "P-TMSI", "gtp.ptmsi", FT_UINT32, BASE_HEX, NULL, 0, "Packet-Temporary Mobile Subscriber Identity", HFILL }},
|
|
{ &hf_gtp_ptmsi_sig, { "P-TMSI Signature", "gtp.ptmsi_sig", FT_UINT24, BASE_HEX, NULL, 0, "P-TMSI Signature", HFILL }},
|
|
{ &hf_gtp_rab_gtpu_dn, { "Downlink GTP-U seq number", "gtp.rab_gtp_dn", FT_UINT16, BASE_DEC, NULL, 0, "Downlink GTP-U sequence number", HFILL }},
|
|
{ &hf_gtp_rab_gtpu_up, { "Uplink GTP-U seq number", "gtp.rab_gtp_up", FT_UINT16, BASE_DEC, NULL, 0, "Uplink GTP-U sequence number", HFILL }},
|
|
{ &hf_gtp_rab_pdu_dn, { "Downlink next PDCP-PDU seq number", "gtp.rab_pdu_dn", FT_UINT8, BASE_DEC, NULL, 0, "Downlink next PDCP-PDU sequence number", HFILL }},
|
|
{ &hf_gtp_rab_pdu_up, { "Uplink next PDCP-PDU seq number", "gtp.rab_pdu_up", FT_UINT8, BASE_DEC, NULL, 0, "Uplink next PDCP-PDU sequence number", HFILL }},
|
|
{ &hf_gtp_rai_mcc, { "MCC", "gtp.mcc", FT_UINT16, BASE_DEC, NULL, 0, "Mobile Country Code", HFILL }},
|
|
{ &hf_gtp_rai_mnc, { "MNC", "gtp.mnc", FT_UINT8, BASE_DEC, NULL, 0, "Mobile Network Code", HFILL }},
|
|
{ &hf_gtp_rai_rac, { "RAC", "gtp.rac", FT_UINT8, BASE_DEC, NULL, 0, "Routing Area Code", HFILL }},
|
|
{ &hf_gtp_rai_lac, { "LAC", "gtp.lac", FT_UINT16, BASE_DEC, NULL, 0, "Location Area Code", HFILL }},
|
|
{ &hf_gtp_ranap_cause, { "RANAP cause", "gtp.ranap_cause", FT_UINT8, BASE_DEC, VALS(ranap_cause_type), 0, "RANAP cause", HFILL }},
|
|
{ &hf_gtp_recovery, { "Recovery", "gtp.recovery", FT_UINT8, BASE_DEC, NULL, 0, "Restart counter", HFILL }},
|
|
{ &hf_gtp_reorder, { "Reordering required","gtp.reorder", FT_BOOLEAN, BASE_NONE,NULL, 0, "Reordering required", HFILL }},
|
|
{ &hf_gtp_rnc_ipv4, { "RNC address IPv4", "gtp.rnc_ipv4", FT_IPv4, BASE_DEC, NULL, 0, "Radio Network Controller address IPv4", HFILL }},
|
|
{ &hf_gtp_rnc_ipv6, { "RNC address IPv6", "gtp.rnc_ipv6", FT_IPv6, BASE_HEX, NULL, 0, "Radio Network Controller address IPv6", HFILL }},
|
|
{ &hf_gtp_rp, { "Radio Priority", "gtp.rp", FT_UINT8, BASE_DEC, NULL, GTPv1_EXT_RP_MASK, "Radio Priority for uplink tx", HFILL }},
|
|
{ &hf_gtp_rp_nsapi, { "NSAPI in Radio Priority", "gtp.rp_nsapi", FT_UINT8, BASE_DEC, NULL, GTPv1_EXT_RP_NSAPI_MASK, "Network layer Service Access Point Identifier in Radio Priority", HFILL }},
|
|
{ &hf_gtp_rp_sms, { "Radio Priority SMS", "gtp.rp_sms", FT_UINT8, BASE_DEC, NULL, 0, "Radio Priority for MO SMS", HFILL }},
|
|
{ &hf_gtp_rp_spare, { "Reserved", "gtp.rp_spare", FT_UINT8, BASE_DEC, NULL, GTPv1_EXT_RP_SPARE_MASK, "Spare bit", HFILL }},
|
|
{ &hf_gtp_sel_mode, { "Selection mode", "gtp.sel_mode", FT_UINT8, BASE_DEC, VALS(sel_mode_type), 0, "Selection Mode", HFILL }},
|
|
{ &hf_gtp_seq_number, { "Sequence number", "gtp.seq_number", FT_UINT16, BASE_HEX, NULL, 0, "Sequence Number", HFILL }},
|
|
{ &hf_gtp_sndcp_number, { "SNDCP N-PDU LLC Number", "gtp.sndcp_number", FT_UINT8, BASE_HEX, NULL, 0, "SNDCP N-PDU LLC Number", HFILL }},
|
|
{ &hf_gtp_tear_ind, { "Teardown Indicator", "gtp.tear_ind", FT_BOOLEAN, BASE_NONE,NULL, 0, "Teardown Indicator", HFILL }},
|
|
{ &hf_gtp_teid, { "TEID", "gtp.teid", FT_UINT32, BASE_HEX, NULL, 0, "Tunnel Endpoint Identifier", HFILL }},
|
|
{ &hf_gtp_teid_cp, { "TEID Control Plane", "gtp.teid_cp", FT_UINT32, BASE_HEX, NULL, 0, "Tunnel Endpoint Identifier Control Plane", HFILL }},
|
|
{ &hf_gtp_teid_data, { "TEID Data I", "gtp.teid_data", FT_UINT32, BASE_HEX, NULL, 0, "Tunnel Endpoint Identifier Data I", HFILL }},
|
|
{ &hf_gtp_teid_ii, { "TEID Data II", "gtp.teid_ii", FT_UINT32, BASE_HEX, NULL, 0, "Tunnel Endpoint Identifier Data II", HFILL }},
|
|
{ &hf_gtp_tft_code, { "TFT operation code", "gtp.tft_code", FT_UINT8, BASE_DEC, VALS (tft_code_type), GTPv1_TFT_CODE_MASK, "TFT operation code", HFILL }},
|
|
{ &hf_gtp_tft_spare, { "TFT spare bit", "gtp.tft_spare", FT_UINT8, BASE_DEC, NULL, GTPv1_TFT_SPARE_MASK, "TFT spare bit", HFILL }},
|
|
{ &hf_gtp_tft_number, { "Number of packet filters", "gtp.tft_number", FT_UINT8, BASE_DEC, NULL, GTPv1_TFT_NUMBER_MASK, "Number of packet filters", HFILL }},
|
|
{ &hf_gtp_tft_eval, { "Evaluation precedence", "gtp.tft_eval", FT_UINT8, BASE_DEC, NULL, 0, "Evaluation precedence", HFILL }},
|
|
{ &hf_gtp_tid, { "TID", "gtp.tid", FT_STRING, BASE_DEC, NULL, 0, "Tunnel Identifier", HFILL }},
|
|
{ &hf_gtp_tlli, { "TLLI", "gtp.tlli", FT_UINT32, BASE_HEX, NULL, 0, "Temporary Logical Link Identity", HFILL }},
|
|
{ &hf_gtp_tr_comm, { "Packet transfer command", "gtp.tr_comm", FT_UINT8, BASE_DEC, VALS (tr_comm_type), 0, "Packat transfer command", HFILL }},
|
|
{ &hf_gtp_trace_ref, { "Trace reference", "gtp.trace_ref", FT_UINT16, BASE_HEX, NULL, 0, "Trace reference", HFILL }},
|
|
{ &hf_gtp_trace_type, { "Trace type", "gtp.trace_type", FT_UINT16, BASE_HEX, NULL, 0, "Trace type", HFILL }},
|
|
{ &hf_gtp_unknown, { "Unknown data (length)", "gtp.unknown", FT_UINT16, BASE_DEC, NULL, 0, "Unknown data", HFILL }},
|
|
{ &hf_gtp_user_addr_pdp_org, { "PDP type organization", "gtp.user_addr_pdp_org", FT_UINT8, BASE_DEC, VALS(pdp_org_type), 0, "PDP type organization", HFILL }},
|
|
{ &hf_gtp_user_addr_pdp_type, { "PDP type number", "gtp.user_addr_pdp_type", FT_UINT8, BASE_HEX, VALS (pdp_type), 0, "PDP type", HFILL }},
|
|
{ &hf_gtp_user_ipv4, { "End user address IPv4", "gtp.user_ipv4", FT_IPv4, BASE_DEC, NULL, 0, "End user address IPv4", HFILL }},
|
|
{ &hf_gtp_user_ipv6, { "End user address IPv6", "gtp.user_ipv6", FT_IPv6, BASE_HEX, NULL, 0, "End user address IPv6", HFILL }},
|
|
};
|
|
|
|
static gint *ett_gtp_array[] = {
|
|
&ett_gtp,
|
|
&ett_gtp_flags,
|
|
&ett_gtp_ext,
|
|
&ett_gtp_rai,
|
|
&ett_gtp_qos,
|
|
&ett_gtp_auth_tri,
|
|
&ett_gtp_flow_ii,
|
|
&ett_gtp_rab_cntxt,
|
|
&ett_gtp_rp,
|
|
&ett_gtp_pkt_flow_id,
|
|
&ett_gtp_chrg_char,
|
|
&ett_gtp_user,
|
|
&ett_gtp_mm,
|
|
&ett_gtp_trip,
|
|
&ett_gtp_quint,
|
|
&ett_gtp_pdp,
|
|
&ett_gtp_apn,
|
|
&ett_gtp_proto,
|
|
&ett_gtp_gsn_addr,
|
|
&ett_gtp_tft,
|
|
&ett_gtp_tft_pf,
|
|
&ett_gtp_tft_flags,
|
|
&ett_gtp_rab_setup,
|
|
&ett_gtp_hdr_list,
|
|
&ett_gtp_chrg_addr,
|
|
&ett_gtp_node_addr,
|
|
&ett_gtp_rel_pack,
|
|
&ett_gtp_can_pack,
|
|
&ett_gtp_data_resp,
|
|
&ett_gtp_priv_ext,
|
|
};
|
|
|
|
module_t *gtp_module;
|
|
|
|
proto_gtp = proto_register_protocol ("GPRS Tunneling Protocol", "GTP", "gtp");
|
|
proto_register_field_array (proto_gtp, hf_gtp, array_length (hf_gtp));
|
|
proto_register_subtree_array (ett_gtp_array, array_length (ett_gtp_array));
|
|
|
|
gtp_module = prefs_register_protocol(proto_gtp, proto_reg_handoff_gtp);
|
|
|
|
prefs_register_uint_preference(gtp_module, "v0_port", "GTPv0 port", "GTPv0 port (default 3386)", 10, &g_gtpv0_port);
|
|
prefs_register_uint_preference(gtp_module, "v1c_port", "GTPv1 control plane (GTP-C) port", "GTPv1 control plane port (default 2123)", 10, &g_gtpv1c_port);
|
|
prefs_register_uint_preference(gtp_module, "v1u_port", "GTPv1 user plane (GTP-U) port", "GTPv1 user plane port (default 2152)", 10, &g_gtpv1u_port);
|
|
prefs_register_bool_preference(gtp_module, "dissect_tpdu", "Dissect T-PDU", "Dissect T-PDU", >p_tpdu);
|
|
prefs_register_obsolete_preference (gtp_module, "v0_dissect_cdr_as");
|
|
prefs_register_obsolete_preference (gtp_module, "v0_check_etsi");
|
|
prefs_register_obsolete_preference (gtp_module, "v1_check_etsi");
|
|
prefs_register_bool_preference (gtp_module, "check_etsi", "Compare GTP order with ETSI", "GTP ETSI order", >p_etsi_order);
|
|
prefs_register_obsolete_preference(gtp_module, "ppp_reorder");
|
|
|
|
register_dissector("gtp", dissect_gtp, proto_gtp);
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_gtp(void)
|
|
{
|
|
static int Initialized = FALSE;
|
|
static dissector_handle_t gtp_handle;
|
|
|
|
if (!Initialized) {
|
|
gtp_handle = find_dissector("gtp");
|
|
ppp_subdissector_table = find_dissector_table("ppp.protocol");
|
|
Initialized = TRUE;
|
|
} else {
|
|
dissector_delete ("udp.port", gtpv0_port, gtp_handle);
|
|
dissector_delete ("tcp.port", gtpv0_port, gtp_handle);
|
|
dissector_delete ("udp.port", gtpv1c_port, gtp_handle);
|
|
dissector_delete ("tcp.port", gtpv1c_port, gtp_handle);
|
|
dissector_delete ("udp.port", gtpv1u_port, gtp_handle);
|
|
dissector_delete ("tcp.port", gtpv1u_port, gtp_handle);
|
|
}
|
|
|
|
gtpv0_port = g_gtpv0_port;
|
|
gtpv1c_port = g_gtpv1c_port;
|
|
gtpv1u_port = g_gtpv1u_port;
|
|
|
|
dissector_add ("udp.port", g_gtpv0_port, gtp_handle);
|
|
dissector_add ("tcp.port", g_gtpv0_port, gtp_handle);
|
|
dissector_add ("udp.port", g_gtpv1c_port, gtp_handle);
|
|
dissector_add ("tcp.port", g_gtpv1c_port, gtp_handle);
|
|
dissector_add ("udp.port", g_gtpv1u_port, gtp_handle);
|
|
dissector_add ("tcp.port", g_gtpv1u_port, gtp_handle);
|
|
|
|
ip_handle = find_dissector("ip");
|
|
ipv6_handle = find_dissector("ipv6");
|
|
ppp_handle = find_dissector("ppp");
|
|
data_handle = find_dissector("data");
|
|
gtpcdr_handle = find_dissector("gtpcdr");
|
|
}
|