forked from osmocom/wireshark
178 lines
5.2 KiB
C
178 lines
5.2 KiB
C
/* packet-gprscdr-template.c
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* Copyright 2011 , Anders Broman <anders.broman [AT] ericsson.com>
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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* References: 3GPP TS 32.298 V14.0.0
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*/
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#include "config.h"
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#include <epan/packet.h>
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#include <epan/expert.h>
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#include <epan/asn1.h>
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#include "packet-ber.h"
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#include "packet-gsm_map.h"
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#include "packet-gsm_a_common.h"
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#include "packet-e212.h"
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#include "packet-gprscdr.h"
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#include "packet-gtp.h"
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#include "packet-gtpv2.h"
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#define PNAME "GPRS CDR"
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#define PSNAME "GPRSCDR"
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#define PFNAME "gprscdr"
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void proto_register_gprscdr(void);
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/* Define the GPRS CDR proto */
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static int proto_gprscdr = -1;
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#include "packet-gprscdr-hf.c"
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static int ett_gprscdr = -1;
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static int ett_gprscdr_timestamp = -1;
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static int ett_gprscdr_plmn_id = -1;
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static int ett_gprscdr_pdp_pdn_type = -1;
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static int ett_gprscdr_eps_qos_arp = -1;
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static int ett_gprscdr_managementextension_information = -1;
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static int ett_gprscdr_userlocationinformation = -1;
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#include "packet-gprscdr-ett.c"
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static expert_field ei_gprscdr_not_dissected = EI_INIT;
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static expert_field ei_gprscdr_choice_not_found = EI_INIT;
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/* Global variables */
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static const char *obj_id = NULL;
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static const value_string gprscdr_daylight_saving_time_vals[] = {
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{0, "No adjustment"},
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{1, "+1 hour adjustment for Daylight Saving Time"},
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{2, "+2 hours adjustment for Daylight Saving Time"},
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{3, "Reserved"},
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{0, NULL}
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};
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/* 3GPP-RAT-Type
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* 3GPP TS 29.061
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*/
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static const value_string gprscdr_rat_type_vals[] = {
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{0, "Reserved"},
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{1, "UTRAN"},
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{2, "GERAN"},
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{3, "WLAN"},
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{4, "GAN"},
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{5, "HSPA Evolution"},
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{6, "EUTRAN"},
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{7, "Virtual"},
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{8, "EUTRAN-NB-IoT"},
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/* 9-100 Spare for future use TS 29.061 */
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{101, "IEEE 802.16e"},
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{102, "3GPP2 eHRPD"},
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{103, "3GPP2 HRPD"},
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/* 104-255 Spare for future use TS 29.061 */
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{0, NULL}
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};
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static int
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dissect_gprscdr_uli(tvbuff_t *tvb _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int type) {
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proto_tree *ext_tree_uli;
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guint length;
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length = tvb_reported_length(tvb);
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ext_tree_uli = proto_tree_add_subtree(tree, tvb, 0, length, ett_gprscdr_userlocationinformation, NULL, "UserLocationInformation");
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switch (type) {
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case 1:
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/* For GGSN/EGGSN-CDR,
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* this octet string is a 1:1 copy of the contents (i.e. starting with octet 4) of the
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* User Location Information (ULI) information element specified in 29.060, ch7.7.51.
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*/
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dissect_gtp_uli(tvb, 0, actx->pinfo, ext_tree_uli, NULL);
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break;
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case 2:
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/* For SGW/PGW-CDR,
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* this octet string is a 1:1 copy of the contents (i.e. starting with octet 5) of the
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* User Location Information (ULI) information element specified in 29.274, ch8.21.
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*/
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dissect_gtpv2_uli(tvb, actx->pinfo, ext_tree_uli, NULL, length, 0, 0, NULL);
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break;
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default:
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proto_tree_add_expert(ext_tree_uli, actx->pinfo, &ei_gprscdr_not_dissected, tvb, 0, length);
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break;
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}
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return length;
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}
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#include "packet-gprscdr-fn.c"
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/* Register all the bits needed with the filtering engine */
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void
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proto_register_gprscdr(void)
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{
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/* List of fields */
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static hf_register_info hf[] = {
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#include "packet-gprscdr-hfarr.c"
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};
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/* List of subtrees */
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static gint *ett[] = {
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&ett_gprscdr,
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&ett_gprscdr_timestamp,
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&ett_gprscdr_plmn_id,
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&ett_gprscdr_pdp_pdn_type,
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&ett_gprscdr_eps_qos_arp,
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&ett_gprscdr_managementextension_information,
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&ett_gprscdr_userlocationinformation,
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#include "packet-gprscdr-ettarr.c"
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};
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static ei_register_info ei[] = {
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{ &ei_gprscdr_not_dissected, { "gprscdr.not_dissected", PI_UNDECODED, PI_WARN, "Not dissected", EXPFILL }},
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{ &ei_gprscdr_choice_not_found, { "gprscdr.error.choice_not_found", PI_MALFORMED, PI_WARN, "GPRS CDR Error: This choice field(Record type) was not found", EXPFILL }},
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};
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expert_module_t* expert_gprscdr;
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proto_gprscdr = proto_register_protocol(PNAME, PSNAME, PFNAME);
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proto_register_field_array(proto_gprscdr, hf, array_length(hf));
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proto_register_subtree_array(ett, array_length(ett));
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expert_gprscdr = expert_register_protocol(proto_gprscdr);
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expert_register_field_array(expert_gprscdr, ei, array_length(ei));
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}
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/* The registration hand-off routine */
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/*
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* Editor modelines
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*
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* Local Variables:
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* c-basic-offset: 2
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* tab-width: 8
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* indent-tabs-mode: nil
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* End:
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*
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* ex: set shiftwidth=2 tabstop=8 expandtab:
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* :indentSize=2:tabSize=8:noTabs=true:
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*/
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