forked from osmocom/wireshark
1135 lines
47 KiB
C
1135 lines
47 KiB
C
/* packet-ngap.c
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* Routines for NG-RAN NG Application Protocol (NGAP) packet dissection
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* Copyright 2018, Anders Broman <anders.broman@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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* SPDX-License-Identifier: GPL-2.0-or-later
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*
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* References: 3GPP TS 38.413 v16.5.0 (2021-04)
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*/
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#include "config.h"
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#include <stdio.h>
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#include <epan/packet.h>
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#include <epan/strutil.h>
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#include <epan/asn1.h>
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#include <epan/prefs.h>
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#include <epan/sctpppids.h>
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#include <epan/expert.h>
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#include <epan/proto_data.h>
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#include <epan/conversation.h>
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#include <epan/exceptions.h>
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#include <epan/show_exception.h>
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#include <wsutil/wsjson.h>
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#include "packet-ngap.h"
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#include "packet-per.h"
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#include "packet-e212.h"
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#include "packet-s1ap.h"
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#include "packet-ranap.h"
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#include "packet-rrc.h"
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#include "packet-lte-rrc.h"
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#include "packet-nr-rrc.h"
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#include "packet-gsm_map.h"
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#include "packet-cell_broadcast.h"
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#include "packet-ntp.h"
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#include "packet-gsm_a_common.h"
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#include "packet-http.h"
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#define PNAME "NG Application Protocol"
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#define PSNAME "NGAP"
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#define PFNAME "ngap"
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/* Dissector will use SCTP PPID 18 or SCTP port. IANA assigned port = 36412 */
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#define SCTP_PORT_NGAP 38412
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void proto_register_ngap(void);
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void proto_reg_handoff_ngap(void);
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static dissector_handle_t ngap_handle;
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static dissector_handle_t ngap_media_type_handle;
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static dissector_handle_t nas_5gs_handle;
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static dissector_handle_t nr_rrc_ue_radio_paging_info_handle;
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static dissector_handle_t nr_rrc_ue_radio_access_cap_info_handle;
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static dissector_handle_t lte_rrc_ue_radio_paging_info_handle;
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static dissector_handle_t lte_rrc_ue_radio_access_cap_info_handle;
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static dissector_handle_t lte_rrc_ue_radio_paging_info_nb_handle;
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static dissector_handle_t lte_rrc_ue_radio_access_cap_info_nb_handle;
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static dissector_handle_t nrppa_handle;
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static int proto_json = -1;
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#include "packet-ngap-val.h"
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/* Initialize the protocol and registered fields */
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static int proto_ngap = -1;
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static int hf_ngap_transportLayerAddressIPv4 = -1;
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static int hf_ngap_transportLayerAddressIPv6 = -1;
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static int hf_ngap_SerialNumber_gs = -1;
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static int hf_ngap_SerialNumber_msg_code = -1;
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static int hf_ngap_SerialNumber_upd_nb = -1;
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static int hf_ngap_WarningType_value = -1;
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static int hf_ngap_WarningType_emergency_user_alert = -1;
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static int hf_ngap_WarningType_popup = -1;
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static int hf_ngap_WarningMessageContents_nb_pages = -1;
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static int hf_ngap_WarningMessageContents_decoded_page = -1;
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static int hf_ngap_NGRANTraceID_TraceID = -1;
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static int hf_ngap_NGRANTraceID_TraceRecordingSessionReference = -1;
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static int hf_ngap_InterfacesToTrace_NG_C = -1;
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static int hf_ngap_InterfacesToTrace_Xn_C = -1;
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static int hf_ngap_InterfacesToTrace_Uu = -1;
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static int hf_ngap_InterfacesToTrace_F1_C = -1;
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static int hf_ngap_InterfacesToTrace_E1 = -1;
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static int hf_ngap_InterfacesToTrace_reserved = -1;
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static int hf_ngap_RATRestrictionInformation_e_UTRA = -1;
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static int hf_ngap_RATRestrictionInformation_nR = -1;
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static int hf_ngap_RATRestrictionInformation_nR_unlicensed = -1;
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static int hf_ngap_RATRestrictionInformation_reserved = -1;
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static int hf_ngap_primaryRATRestriction_e_UTRA = -1;
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static int hf_ngap_primaryRATRestriction_nR = -1;
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static int hf_ngap_primaryRATRestriction_nR_unlicensed = -1;
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static int hf_ngap_primaryRATRestriction_reserved = -1;
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static int hf_ngap_secondaryRATRestriction_e_UTRA = -1;
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static int hf_ngap_secondaryRATRestriction_nR = -1;
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static int hf_ngap_secondaryRATRestriction_e_UTRA_unlicensed = -1;
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static int hf_ngap_secondaryRATRestriction_nR_unlicensed = -1;
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static int hf_ngap_secondaryRATRestriction_reserved = -1;
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static int hf_ngap_NrencryptionAlgorithms_nea1 = -1;
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static int hf_ngap_NrencryptionAlgorithms_nea2 = -1;
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static int hf_ngap_NrencryptionAlgorithms_nea3 = -1;
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static int hf_ngap_NrencryptionAlgorithms_reserved = -1;
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static int hf_ngap_NrintegrityProtectionAlgorithms_nia1 = -1;
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static int hf_ngap_NrintegrityProtectionAlgorithms_nia2 = -1;
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static int hf_ngap_NrintegrityProtectionAlgorithms_nia3 = -1;
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static int hf_ngap_NrintegrityProtectionAlgorithms_reserved = -1;
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static int hf_ngap_EUTRAencryptionAlgorithms_eea1 = -1;
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static int hf_ngap_EUTRAencryptionAlgorithms_eea2 = -1;
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static int hf_ngap_EUTRAencryptionAlgorithms_eea3 = -1;
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static int hf_ngap_EUTRAencryptionAlgorithms_reserved = -1;
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static int hf_ngap_EUTRAintegrityProtectionAlgorithms_eia1 = -1;
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static int hf_ngap_EUTRAintegrityProtectionAlgorithms_eia2 = -1;
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static int hf_ngap_EUTRAintegrityProtectionAlgorithms_eia3 = -1;
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static int hf_ngap_EUTRAintegrityProtectionAlgorithms_reserved = -1;
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static int hf_ngap_MeasurementsToActivate_M1 = -1;
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static int hf_ngap_MeasurementsToActivate_M2 = -1;
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static int hf_ngap_MeasurementsToActivate_M4 = -1;
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static int hf_ngap_MeasurementsToActivate_M5 = -1;
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static int hf_ngap_MeasurementsToActivate_M6 = -1;
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static int hf_ngap_MeasurementsToActivate_M7 = -1;
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static int hf_ngap_MeasurementsToActivate_M1_from_event = -1;
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static int hf_ngap_MeasurementsToActivate_reserved = -1;
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static int hf_ngap_MDT_Location_Information_GNSS = -1;
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static int hf_ngap_MDT_Location_Information_reserved = -1;
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static int hf_ngap_GlobalCable_ID_str = -1;
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static int hf_ngap_UpdateFeedback_CN_PDB_DL = -1;
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static int hf_ngap_UpdateFeedback_CN_PDB_UL = -1;
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static int hf_ngap_UpdateFeedback_reserved = -1;
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#include "packet-ngap-hf.c"
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/* Initialize the subtree pointers */
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static gint ett_ngap = -1;
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static gint ett_ngap_TransportLayerAddress = -1;
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static gint ett_ngap_DataCodingScheme = -1;
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static gint ett_ngap_SerialNumber = -1;
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static gint ett_ngap_WarningType = -1;
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static gint ett_ngap_WarningMessageContents = -1;
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static gint ett_ngap_PLMNIdentity = -1;
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static gint ett_ngap_NGAP_Message = -1;
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static gint ett_ngap_NGRANTraceID = -1;
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static gint ett_ngap_InterfacesToTrace = -1;
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static gint ett_ngap_SourceToTarget_TransparentContainer = -1;
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static gint ett_ngap_TargetToSource_TransparentContainer = -1;
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static gint ett_ngap_RRCContainer = -1;
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static gint ett_ngap_RATRestrictionInformation = -1;
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static gint ett_ngap_primaryRATRestriction = -1;
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static gint ett_ngap_secondaryRATRestriction = -1;
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static gint ett_ngap_NrencryptionAlgorithms = -1;
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static gint ett_ngap_NrintegrityProtectionAlgorithms = -1;
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static gint ett_ngap_EUTRAencryptionAlgorithms = -1;
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static gint ett_ngap_EUTRAintegrityProtectionAlgorithms = -1;
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static gint ett_ngap_UERadioCapabilityForPagingOfNR = -1;
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static gint ett_ngap_UERadioCapabilityForPagingOfEUTRA = -1;
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static gint ett_ngap_UERadioCapability = -1;
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static gint ett_ngap_LastVisitedEUTRANCellInformation = -1;
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static gint ett_ngap_LastVisitedUTRANCellInformation = -1;
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static gint ett_ngap_LastVisitedGERANCellInformation = -1;
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static gint ett_ngap_NASSecurityParametersFromNGRAN = -1;
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static gint ett_ngap_NASC = -1;
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static gint ett_ngap_NAS_PDU = -1;
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static gint ett_ngap_EN_DCSONConfigurationTransfer = -1;
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static gint ett_ngap_BurstArrivalTime = -1;
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static gint ett_ngap_CoverageEnhancementLevel = -1;
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static gint ett_ngap_MDTModeEutra = -1;
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static gint ett_ngap_MeasurementsToActivate = -1;
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static gint ett_ngap_MDT_Location_Information = -1;
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static gint ett_ngap_NRMobilityHistoryReport = -1;
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static gint ett_ngap_LTEUERLFReportContainer = -1;
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static gint ett_ngap_NRUERLFReportContainer = -1;
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static gint ett_ngap_TargettoSource_Failure_TransparentContainer = -1;
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static gint ett_ngap_UERadioCapabilityForPagingOfNB_IoT = -1;
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static gint ett_ngap_GlobalCable_ID = -1;
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static gint ett_ngap_UpdateFeedback = -1;
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#include "packet-ngap-ett.c"
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static expert_field ei_ngap_number_pages_le15 = EI_INIT;
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enum{
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INITIATING_MESSAGE,
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SUCCESSFUL_OUTCOME,
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UNSUCCESSFUL_OUTCOME
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};
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typedef struct _ngap_ctx_t {
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guint32 message_type;
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guint32 ProcedureCode;
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guint32 ProtocolIE_ID;
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guint32 ProtocolExtensionID;
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} ngap_ctx_t;
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struct ngap_conv_info {
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address addr_a;
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guint32 port_a;
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GlobalRANNodeID_enum ranmode_id_a;
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address addr_b;
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guint32 port_b;
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GlobalRANNodeID_enum ranmode_id_b;
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wmem_map_t *nbiot_ta;
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wmem_tree_t *nbiot_ran_ue_ngap_id;
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};
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enum {
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SOURCE_TO_TARGET_TRANSPARENT_CONTAINER = 1,
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TARGET_TO_SOURCE_TRANSPARENT_CONTAINER
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};
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struct ngap_supported_ta {
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guint32 tac;
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wmem_array_t *plmn;
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};
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struct ngap_tai {
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guint32 plmn;
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guint32 tac;
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};
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struct ngap_private_data {
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struct ngap_conv_info *ngap_conv;
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guint32 procedure_code;
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guint32 protocol_ie_id;
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guint32 protocol_extension_id;
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guint32 message_type;
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guint32 handover_type_value;
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guint8 data_coding_scheme;
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guint8 transparent_container_type;
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struct ngap_supported_ta *supported_ta;
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struct ngap_tai *tai;
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guint32 ran_ue_ngap_id;
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e212_number_type_t number_type;
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};
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enum {
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NGAP_NG_RAN_CONTAINER_AUTOMATIC,
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NGAP_NG_RAN_CONTAINER_GNB,
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NGAP_NG_RAN_CONTAINER_NG_ENB
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};
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static const enum_val_t ngap_target_ng_ran_container_vals[] = {
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{"automatic", "automatic", NGAP_NG_RAN_CONTAINER_AUTOMATIC},
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{"gnb", "gNB", NGAP_NG_RAN_CONTAINER_GNB},
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{"ng-enb","ng-eNB", NGAP_NG_RAN_CONTAINER_NG_ENB},
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{NULL, NULL, -1}
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};
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enum {
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NGAP_LTE_CONTAINER_AUTOMATIC,
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NGAP_LTE_CONTAINER_LEGACY,
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NGAP_LTE_CONTAINER_NBIOT
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};
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static const enum_val_t ngap_lte_container_vals[] = {
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{"automatic", "Automatic", NGAP_LTE_CONTAINER_AUTOMATIC},
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{"legacy", "Legacy LTE", NGAP_LTE_CONTAINER_LEGACY},
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{"nb-iot","NB-IoT", NGAP_LTE_CONTAINER_NBIOT},
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{NULL, NULL, -1}
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};
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/* Global variables */
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static guint gbl_ngapSctpPort = SCTP_PORT_NGAP;
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static gboolean ngap_dissect_container = TRUE;
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static gint ngap_dissect_target_ng_ran_container_as = NGAP_NG_RAN_CONTAINER_AUTOMATIC;
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static gint ngap_dissect_lte_container_as = NGAP_LTE_CONTAINER_AUTOMATIC;
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/* Dissector tables */
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static dissector_table_t ngap_ies_dissector_table;
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static dissector_table_t ngap_ies_p1_dissector_table;
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static dissector_table_t ngap_ies_p2_dissector_table;
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static dissector_table_t ngap_extension_dissector_table;
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static dissector_table_t ngap_proc_imsg_dissector_table;
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static dissector_table_t ngap_proc_sout_dissector_table;
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static dissector_table_t ngap_proc_uout_dissector_table;
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static dissector_table_t ngap_n2_ie_type_dissector_table;
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static int dissect_ProtocolIEFieldValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
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/* Currently not used
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static int dissect_ProtocolIEFieldPairFirstValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
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static int dissect_ProtocolIEFieldPairSecondValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
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*/
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static int dissect_ProtocolExtensionFieldExtensionValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
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static int dissect_InitiatingMessageValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
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static int dissect_SuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
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static int dissect_UnsuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
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static int dissect_InitialUEMessage_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data);
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static int dissect_PDUSessionResourceReleaseResponseTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
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static int dissect_HandoverRequestAcknowledgeTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
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static int dissect_PDUSessionResourceModifyUnsuccessfulTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
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static int dissect_PDUSessionResourceSetupUnsuccessfulTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
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static int dissect_HandoverResourceAllocationUnsuccessfulTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
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static int dissect_PathSwitchRequestSetupFailedTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
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static int dissect_HandoverCommandTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
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static int dissect_HandoverRequiredTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
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static int dissect_PDUSessionResourceModifyConfirmTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
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static int dissect_PDUSessionResourceModifyIndicationTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
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static int dissect_PDUSessionResourceModifyRequestTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
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static int dissect_PDUSessionResourceModifyResponseTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
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static int dissect_PDUSessionResourceNotifyTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
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static int dissect_PDUSessionResourceNotifyReleasedTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
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static int dissect_PathSwitchRequestUnsuccessfulTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
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static int dissect_PDUSessionResourceSetupRequestTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
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static int dissect_PDUSessionResourceSetupResponseTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
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static int dissect_PathSwitchRequestAcknowledgeTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
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static int dissect_PathSwitchRequestTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
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static int dissect_HandoverPreparationUnsuccessfulTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
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static int dissect_PDUSessionResourceReleaseCommandTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
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static int dissect_TargetNGRANNode_ToSourceNGRANNode_FailureTransparentContainer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
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static int dissect_SecondaryRATDataUsageReportTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
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static int dissect_PDUSessionResourceModifyIndicationUnsuccessfulTransfer_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_);
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const value_string ngap_serialNumber_gs_vals[] = {
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{ 0, "Display mode immediate, cell wide"},
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{ 1, "Display mode normal, PLMN wide"},
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{ 2, "Display mode normal, tracking area wide"},
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{ 3, "Display mode normal, cell wide"},
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{ 0, NULL},
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};
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const value_string ngap_warningType_vals[] = {
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{ 0, "Earthquake"},
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{ 1, "Tsunami"},
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{ 2, "Earthquake and Tsunami"},
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{ 3, "Test"},
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{ 4, "Other"},
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{ 0, NULL},
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};
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static void
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dissect_ngap_warningMessageContents(tvbuff_t *warning_msg_tvb, proto_tree *tree, packet_info *pinfo, guint8 dcs, int hf_nb_pages, int hf_decoded_page)
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{
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guint32 offset;
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guint8 nb_of_pages, length, *str;
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proto_item *ti;
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tvbuff_t *cb_data_page_tvb, *cb_data_tvb;
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int i;
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nb_of_pages = tvb_get_guint8(warning_msg_tvb, 0);
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|
ti = proto_tree_add_uint(tree, hf_nb_pages, warning_msg_tvb, 0, 1, nb_of_pages);
|
|
if (nb_of_pages > 15) {
|
|
expert_add_info_format(pinfo, ti, &ei_ngap_number_pages_le15,
|
|
"Number of pages should be <=15 (found %u)", nb_of_pages);
|
|
nb_of_pages = 15;
|
|
}
|
|
for (i = 0, offset = 1; i < nb_of_pages; i++) {
|
|
length = tvb_get_guint8(warning_msg_tvb, offset+82);
|
|
cb_data_page_tvb = tvb_new_subset_length(warning_msg_tvb, offset, length);
|
|
cb_data_tvb = dissect_cbs_data(dcs, cb_data_page_tvb, tree, pinfo, 0);
|
|
if (cb_data_tvb) {
|
|
str = tvb_get_string_enc(wmem_packet_scope(), cb_data_tvb, 0, tvb_reported_length(cb_data_tvb), ENC_UTF_8|ENC_NA);
|
|
proto_tree_add_string_format(tree, hf_decoded_page, warning_msg_tvb, offset, 83,
|
|
str, "Decoded Page %u: %s", i+1, str);
|
|
}
|
|
offset += 83;
|
|
}
|
|
}
|
|
|
|
static void
|
|
ngap_PacketLossRate_fmt(gchar *s, guint32 v)
|
|
{
|
|
g_snprintf(s, ITEM_LABEL_LENGTH, "%.1f%% (%u)", (float)v/10, v);
|
|
}
|
|
|
|
static void
|
|
ngap_PacketDelayBudget_fmt(gchar *s, guint32 v)
|
|
{
|
|
g_snprintf(s, ITEM_LABEL_LENGTH, "%.1fms (%u)", (float)v/2, v);
|
|
}
|
|
|
|
static void
|
|
ngap_TimeUEStayedInCellEnhancedGranularity_fmt(gchar *s, guint32 v)
|
|
{
|
|
g_snprintf(s, ITEM_LABEL_LENGTH, "%.1fs", ((float)v)/10);
|
|
}
|
|
|
|
static void
|
|
ngap_PeriodicRegistrationUpdateTimer_fmt(gchar *s, guint32 v)
|
|
{
|
|
guint32 val = v & 0x1f;
|
|
|
|
switch (v>>5) {
|
|
case 0:
|
|
g_snprintf(s, ITEM_LABEL_LENGTH, "%u min (%u)", val * 10, v);
|
|
break;
|
|
case 1:
|
|
default:
|
|
g_snprintf(s, ITEM_LABEL_LENGTH, "%u hr (%u)", val, v);
|
|
break;
|
|
case 2:
|
|
g_snprintf(s, ITEM_LABEL_LENGTH, "%u hr (%u)", val * 10, v);
|
|
break;
|
|
case 3:
|
|
g_snprintf(s, ITEM_LABEL_LENGTH, "%u sec (%u)", val * 2, v);
|
|
break;
|
|
case 4:
|
|
g_snprintf(s, ITEM_LABEL_LENGTH, "%u sec (%u)", val * 30, v);
|
|
break;
|
|
case 5:
|
|
g_snprintf(s, ITEM_LABEL_LENGTH, "%u min (%u)", val, v);
|
|
break;
|
|
case 7:
|
|
g_snprintf(s, ITEM_LABEL_LENGTH, "deactivated (%u)", v);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
ngap_ExtendedPacketDelayBudget_fmt(gchar *s, guint32 v)
|
|
{
|
|
g_snprintf(s, ITEM_LABEL_LENGTH, "%.2fms (%u)", (float)v/100, v);
|
|
}
|
|
|
|
static void
|
|
ngap_Threshold_RSRP_fmt(gchar *s, guint32 v)
|
|
{
|
|
g_snprintf(s, ITEM_LABEL_LENGTH, "%ddBm (%u)", (gint32)v-156, v);
|
|
}
|
|
|
|
static void
|
|
ngap_Threshold_RSRQ_fmt(gchar *s, guint32 v)
|
|
{
|
|
g_snprintf(s, ITEM_LABEL_LENGTH, "%.1fdB (%u)", ((float)v/2)-43, v);
|
|
}
|
|
|
|
static void
|
|
ngap_Threshold_SINR_fmt(gchar *s, guint32 v)
|
|
{
|
|
g_snprintf(s, ITEM_LABEL_LENGTH, "%.1fdB (%u)", ((float)v/2)-23, v);
|
|
}
|
|
|
|
static struct ngap_private_data*
|
|
ngap_get_private_data(packet_info *pinfo)
|
|
{
|
|
struct ngap_private_data *ngap_data = (struct ngap_private_data*)p_get_proto_data(pinfo->pool, pinfo, proto_ngap, 0);
|
|
if (!ngap_data) {
|
|
ngap_data = wmem_new0(pinfo->pool, struct ngap_private_data);
|
|
ngap_data->handover_type_value = -1;
|
|
p_add_proto_data(pinfo->pool, pinfo, proto_ngap, 0, ngap_data);
|
|
}
|
|
return ngap_data;
|
|
}
|
|
|
|
static GlobalRANNodeID_enum
|
|
ngap_get_ranmode_id(address *addr, guint32 port, packet_info *pinfo)
|
|
{
|
|
struct ngap_private_data *ngap_data = ngap_get_private_data(pinfo);
|
|
GlobalRANNodeID_enum ranmode_id = (GlobalRANNodeID_enum)-1;
|
|
|
|
if (ngap_data->ngap_conv) {
|
|
if (addresses_equal(addr, &ngap_data->ngap_conv->addr_a) && port == ngap_data->ngap_conv->port_a) {
|
|
ranmode_id = ngap_data->ngap_conv->ranmode_id_a;
|
|
} else if (addresses_equal(addr, &ngap_data->ngap_conv->addr_b) && port == ngap_data->ngap_conv->port_b) {
|
|
ranmode_id = ngap_data->ngap_conv->ranmode_id_b;
|
|
}
|
|
}
|
|
return ranmode_id;
|
|
}
|
|
|
|
static gboolean
|
|
ngap_is_nbiot_ue(packet_info *pinfo)
|
|
{
|
|
struct ngap_private_data *ngap_data = ngap_get_private_data(pinfo);
|
|
|
|
if (ngap_data->ngap_conv) {
|
|
wmem_tree_key_t tree_key[3];
|
|
guint32 *id;
|
|
|
|
tree_key[0].length = 1;
|
|
tree_key[0].key = &ngap_data->ran_ue_ngap_id;
|
|
tree_key[1].length = 1;
|
|
tree_key[1].key = &pinfo->num;
|
|
tree_key[2].length = 0;
|
|
tree_key[2].key = NULL;
|
|
id = (guint32*)wmem_tree_lookup32_array_le(ngap_data->ngap_conv->nbiot_ran_ue_ngap_id, tree_key);
|
|
if (id && (*id == ngap_data->ran_ue_ngap_id)) {
|
|
return TRUE;
|
|
}
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
const true_false_string ngap_not_updated_updated = {
|
|
"Not updated",
|
|
"Updated"
|
|
};
|
|
|
|
#include "packet-ngap-fn.c"
|
|
|
|
static int dissect_ProtocolIEFieldValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
|
|
{
|
|
ngap_ctx_t ngap_ctx;
|
|
struct ngap_private_data *ngap_data = ngap_get_private_data(pinfo);
|
|
|
|
ngap_ctx.message_type = ngap_data->message_type;
|
|
ngap_ctx.ProcedureCode = ngap_data->procedure_code;
|
|
ngap_ctx.ProtocolIE_ID = ngap_data->protocol_ie_id;
|
|
ngap_ctx.ProtocolExtensionID = ngap_data->protocol_extension_id;
|
|
|
|
return (dissector_try_uint_new(ngap_ies_dissector_table, ngap_data->protocol_ie_id, tvb, pinfo, tree, FALSE, &ngap_ctx)) ? tvb_captured_length(tvb) : 0;
|
|
}
|
|
/* Currently not used
|
|
static int dissect_ProtocolIEFieldPairFirstValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
struct ngap_private_data *ngap_data = ngap_get_private_data(pinfo);
|
|
|
|
return (dissector_try_uint(ngap_ies_p1_dissector_table, ngap_data->protocol_ie_id, tvb, pinfo, tree)) ? tvb_captured_length(tvb) : 0;
|
|
}
|
|
|
|
static int dissect_ProtocolIEFieldPairSecondValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
struct ngap_private_data *ngap_data = ngap_get_private_data(pinfo);
|
|
|
|
return (dissector_try_uint(ngap_ies_p2_dissector_table, ngap_data->protocol_ie_id, tvb, pinfo, tree)) ? tvb_captured_length(tvb) : 0;
|
|
}
|
|
*/
|
|
|
|
static int dissect_ProtocolExtensionFieldExtensionValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
|
|
{
|
|
ngap_ctx_t ngap_ctx;
|
|
struct ngap_private_data *ngap_data = ngap_get_private_data(pinfo);
|
|
|
|
ngap_ctx.message_type = ngap_data->message_type;
|
|
ngap_ctx.ProcedureCode = ngap_data->procedure_code;
|
|
ngap_ctx.ProtocolIE_ID = ngap_data->protocol_ie_id;
|
|
ngap_ctx.ProtocolExtensionID = ngap_data->protocol_extension_id;
|
|
|
|
return (dissector_try_uint_new(ngap_extension_dissector_table, ngap_data->protocol_extension_id, tvb, pinfo, tree, TRUE, &ngap_ctx)) ? tvb_captured_length(tvb) : 0;
|
|
}
|
|
|
|
static int dissect_InitiatingMessageValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
|
|
{
|
|
struct ngap_private_data *ngap_data = ngap_get_private_data(pinfo);
|
|
|
|
return (dissector_try_uint_new(ngap_proc_imsg_dissector_table, ngap_data->procedure_code, tvb, pinfo, tree, TRUE, data)) ? tvb_captured_length(tvb) : 0;
|
|
}
|
|
|
|
static int dissect_SuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
|
|
{
|
|
struct ngap_private_data *ngap_data = ngap_get_private_data(pinfo);
|
|
|
|
return (dissector_try_uint_new(ngap_proc_sout_dissector_table, ngap_data->procedure_code, tvb, pinfo, tree, TRUE, data)) ? tvb_captured_length(tvb) : 0;
|
|
}
|
|
|
|
static int dissect_UnsuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
|
|
{
|
|
struct ngap_private_data *ngap_data = ngap_get_private_data(pinfo);
|
|
|
|
return (dissector_try_uint_new(ngap_proc_uout_dissector_table, ngap_data->procedure_code, tvb, pinfo, tree, TRUE, data)) ? tvb_captured_length(tvb) : 0;
|
|
}
|
|
|
|
|
|
static int
|
|
dissect_ngap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
|
|
{
|
|
proto_item *ngap_item = NULL;
|
|
proto_tree *ngap_tree = NULL;
|
|
conversation_t *conversation;
|
|
struct ngap_private_data *ngap_data;
|
|
wmem_list_frame_t *prev_layer;
|
|
|
|
/* make entry in the Protocol column on summary display */
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "NGAP");
|
|
/* ensure that parent dissector is not NGAP before clearing fence */
|
|
prev_layer = wmem_list_frame_prev(wmem_list_tail(pinfo->layers));
|
|
if (prev_layer && GPOINTER_TO_INT(wmem_list_frame_data(prev_layer)) != proto_ngap)
|
|
col_clear_fence(pinfo->cinfo, COL_INFO);
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
|
|
/* create the ngap protocol tree */
|
|
ngap_item = proto_tree_add_item(tree, proto_ngap, tvb, 0, -1, ENC_NA);
|
|
ngap_tree = proto_item_add_subtree(ngap_item, ett_ngap);
|
|
|
|
ngap_data = ngap_get_private_data(pinfo);
|
|
conversation = find_or_create_conversation(pinfo);
|
|
ngap_data->ngap_conv = (struct ngap_conv_info *)conversation_get_proto_data(conversation, proto_ngap);
|
|
if (!ngap_data->ngap_conv) {
|
|
ngap_data->ngap_conv = wmem_new0(wmem_file_scope(), struct ngap_conv_info);
|
|
copy_address_wmem(wmem_file_scope(), &ngap_data->ngap_conv->addr_a, &pinfo->src);
|
|
ngap_data->ngap_conv->port_a = pinfo->srcport;
|
|
ngap_data->ngap_conv->ranmode_id_a = (GlobalRANNodeID_enum)-1;
|
|
copy_address_wmem(wmem_file_scope(), &ngap_data->ngap_conv->addr_b, &pinfo->dst);
|
|
ngap_data->ngap_conv->port_b = pinfo->destport;
|
|
ngap_data->ngap_conv->ranmode_id_b = (GlobalRANNodeID_enum)-1;
|
|
ngap_data->ngap_conv->nbiot_ta = wmem_map_new(wmem_file_scope(), wmem_int64_hash, g_int64_equal);
|
|
ngap_data->ngap_conv->nbiot_ran_ue_ngap_id = wmem_tree_new(wmem_file_scope());
|
|
conversation_add_proto_data(conversation, proto_ngap, ngap_data->ngap_conv);
|
|
}
|
|
|
|
return dissect_NGAP_PDU_PDU(tvb, pinfo, ngap_tree, NULL);
|
|
}
|
|
|
|
static gboolean
|
|
find_n2_info_content(char *json_data, jsmntok_t *token, const char *n2_info_content,
|
|
const char *content_id, dissector_handle_t *subdissector)
|
|
{
|
|
jsmntok_t *n2_info_content_token, *ngap_data_token;
|
|
char *str;
|
|
gdouble ngap_msg_type;
|
|
|
|
n2_info_content_token = json_get_object(json_data, token, n2_info_content);
|
|
if (!n2_info_content_token)
|
|
return FALSE;
|
|
ngap_data_token = json_get_object(json_data, n2_info_content_token, "ngapData");
|
|
if (!ngap_data_token)
|
|
return FALSE;
|
|
str = json_get_string(json_data, ngap_data_token, "contentId");
|
|
if (!str || strcmp(str, content_id))
|
|
return FALSE;
|
|
str = json_get_string(json_data, n2_info_content_token, "ngapIeType");
|
|
if (str)
|
|
*subdissector = dissector_get_string_handle(ngap_n2_ie_type_dissector_table, str);
|
|
else if (json_get_double(json_data, n2_info_content_token, "ngapMessageType", &ngap_msg_type))
|
|
*subdissector = ngap_handle;
|
|
else
|
|
*subdissector = NULL;
|
|
return TRUE;
|
|
}
|
|
|
|
/* 3GPP TS 29.502 chapter 6.1.6.4.3 and 29.518 chapter 6.1.6.4.3 */
|
|
static int
|
|
dissect_ngap_media_type(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data)
|
|
{
|
|
int ret;
|
|
char *json_data;
|
|
const char *n2_info_class;
|
|
jsmntok_t *tokens, *cur_tok;
|
|
dissector_handle_t subdissector = NULL;
|
|
tvbuff_t* json_tvb = (tvbuff_t*)p_get_proto_data(pinfo->pool, pinfo, proto_json, 0);
|
|
http_message_info_t *message_info = (http_message_info_t *)data;
|
|
|
|
if (!json_tvb || !message_info || !message_info->content_id)
|
|
return 0;
|
|
|
|
json_data = tvb_get_string_enc(wmem_packet_scope(), json_tvb, 0, tvb_reported_length(json_tvb), ENC_UTF_8|ENC_NA);
|
|
ret = json_parse(json_data, NULL, 0);
|
|
if (ret <= 0)
|
|
return 0;
|
|
tokens = wmem_alloc_array(wmem_packet_scope(), jsmntok_t, ret);
|
|
if (json_parse(json_data, tokens, ret) <= 0)
|
|
return 0;
|
|
cur_tok = json_get_object(json_data, tokens, "n2InfoContainer");
|
|
if (!cur_tok) {
|
|
/* look for n2Information too*/
|
|
cur_tok = json_get_object(json_data, tokens, "n2Information");
|
|
}
|
|
if (cur_tok) {
|
|
n2_info_class = json_get_string(json_data, cur_tok, "n2InformationClass");
|
|
if (n2_info_class) {
|
|
if (!strcmp(n2_info_class, "SM")) {
|
|
cur_tok = json_get_object(json_data, cur_tok, "smInfo");
|
|
if (cur_tok && find_n2_info_content(json_data, cur_tok, "n2InfoContent",
|
|
message_info->content_id, &subdissector))
|
|
goto found;
|
|
}
|
|
if (!strcmp(n2_info_class, "RAN")) {
|
|
cur_tok = json_get_object(json_data, cur_tok, "ranInfo");
|
|
if (cur_tok && find_n2_info_content(json_data, cur_tok, "n2InfoContent",
|
|
message_info->content_id, &subdissector))
|
|
goto found;
|
|
}
|
|
if (!strcmp(n2_info_class, "NRPPa")) {
|
|
cur_tok = json_get_object(json_data, cur_tok, "nrppaInfo");
|
|
if (cur_tok && find_n2_info_content(json_data, cur_tok, "nrppaPdu",
|
|
message_info->content_id, &subdissector))
|
|
goto found;
|
|
}
|
|
if (!strcmp(n2_info_class, "PWS") ||
|
|
!strcmp(n2_info_class, "PWS-BCAL") ||
|
|
!strcmp(n2_info_class, "PWS-RF")) {
|
|
cur_tok = json_get_object(json_data, cur_tok, "pwsInfo");
|
|
if (cur_tok && find_n2_info_content(json_data, cur_tok, "pwsContainer",
|
|
message_info->content_id, &subdissector))
|
|
goto found;
|
|
}
|
|
}
|
|
}
|
|
cur_tok = json_get_object(json_data, tokens, "n2SmInfo");
|
|
if (cur_tok) {
|
|
const char *content_id_str = json_get_string(json_data, cur_tok, "contentId");
|
|
if (content_id_str && !strcmp(content_id_str, message_info->content_id)) {
|
|
const char *str = json_get_string(json_data, tokens, "n2SmInfoType");
|
|
if (str)
|
|
subdissector = dissector_get_string_handle(ngap_n2_ie_type_dissector_table, str);
|
|
else
|
|
subdissector = NULL;
|
|
goto found;
|
|
}
|
|
}
|
|
cur_tok = json_get_array(json_data, tokens, "pduSessionList");
|
|
if (cur_tok) {
|
|
int i, count;
|
|
count = json_get_array_len(cur_tok);
|
|
for (i = 0; i < count; i++) {
|
|
jsmntok_t *array_tok = json_get_array_index(cur_tok, i);
|
|
if (find_n2_info_content(json_data, array_tok, "n2InfoContent",
|
|
message_info->content_id, &subdissector))
|
|
goto found;
|
|
}
|
|
}
|
|
if (find_n2_info_content(json_data, tokens, "sourceToTargetData",
|
|
message_info->content_id, &subdissector))
|
|
goto found;
|
|
if (find_n2_info_content(json_data, tokens, "targetToSourceData",
|
|
message_info->content_id, &subdissector))
|
|
goto found;
|
|
if (find_n2_info_content(json_data, tokens, "targetToSourceFailureData",
|
|
message_info->content_id, &subdissector))
|
|
goto found;
|
|
if (find_n2_info_content(json_data, tokens, "ueRadioCapability",
|
|
message_info->content_id, &subdissector))
|
|
goto found;
|
|
|
|
found:
|
|
if (subdissector) {
|
|
proto_item *ngap_item;
|
|
proto_tree *ngap_tree;
|
|
gboolean save_writable;
|
|
|
|
col_append_sep_str(pinfo->cinfo, COL_PROTOCOL, "/", "NGAP");
|
|
if (subdissector != ngap_handle) {
|
|
ngap_item = proto_tree_add_item(tree, proto_ngap, tvb, 0, -1, ENC_NA);
|
|
ngap_tree = proto_item_add_subtree(ngap_item, ett_ngap);
|
|
} else {
|
|
ngap_tree = tree;
|
|
}
|
|
save_writable = col_get_writable(pinfo->cinfo, COL_PROTOCOL);
|
|
col_set_writable(pinfo->cinfo, COL_PROTOCOL, FALSE);
|
|
call_dissector_with_data(subdissector, tvb, pinfo, ngap_tree, NULL);
|
|
col_set_writable(pinfo->cinfo, COL_PROTOCOL, save_writable);
|
|
return tvb_captured_length(tvb);
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/*--- proto_reg_handoff_ngap ---------------------------------------*/
|
|
void
|
|
proto_reg_handoff_ngap(void)
|
|
{
|
|
static gboolean Initialized=FALSE;
|
|
static guint SctpPort;
|
|
|
|
if (!Initialized) {
|
|
nas_5gs_handle = find_dissector_add_dependency("nas-5gs", proto_ngap);
|
|
nr_rrc_ue_radio_paging_info_handle = find_dissector_add_dependency("nr-rrc.ue_radio_paging_info", proto_ngap);
|
|
nr_rrc_ue_radio_access_cap_info_handle = find_dissector_add_dependency("nr-rrc.ue_radio_access_cap_info", proto_ngap);
|
|
lte_rrc_ue_radio_paging_info_handle = find_dissector_add_dependency("lte-rrc.ue_radio_paging_info", proto_ngap);
|
|
lte_rrc_ue_radio_access_cap_info_handle = find_dissector_add_dependency("lte-rrc.ue_radio_access_cap_info", proto_ngap);
|
|
lte_rrc_ue_radio_paging_info_nb_handle = find_dissector_add_dependency("lte-rrc.ue_radio_paging_info.nb", proto_ngap);
|
|
lte_rrc_ue_radio_access_cap_info_nb_handle = find_dissector_add_dependency("lte-rrc.ue_radio_access_cap_info.nb", proto_ngap);
|
|
dissector_add_for_decode_as("sctp.port", ngap_handle);
|
|
dissector_add_uint("sctp.ppi", NGAP_PROTOCOL_ID, ngap_handle);
|
|
Initialized=TRUE;
|
|
#include "packet-ngap-dis-tab.c"
|
|
|
|
dissector_add_string("media_type", "application/vnd.3gpp.ngap", ngap_media_type_handle);
|
|
} else {
|
|
if (SctpPort != 0) {
|
|
dissector_delete_uint("sctp.port", SctpPort, ngap_handle);
|
|
}
|
|
}
|
|
|
|
nrppa_handle = find_dissector_add_dependency("nrppa", proto_ngap);
|
|
proto_json = proto_get_id_by_filter_name("json");
|
|
|
|
SctpPort=gbl_ngapSctpPort;
|
|
if (SctpPort != 0) {
|
|
dissector_add_uint("sctp.port", SctpPort, ngap_handle);
|
|
}
|
|
}
|
|
|
|
/*--- proto_register_ngap -------------------------------------------*/
|
|
void proto_register_ngap(void) {
|
|
|
|
/* List of fields */
|
|
|
|
static hf_register_info hf[] = {
|
|
{ &hf_ngap_transportLayerAddressIPv4,
|
|
{ "TransportLayerAddress (IPv4)", "ngap.TransportLayerAddressIPv4",
|
|
FT_IPv4, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_transportLayerAddressIPv6,
|
|
{ "TransportLayerAddress (IPv6)", "ngap.TransportLayerAddressIPv6",
|
|
FT_IPv6, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_WarningMessageContents_nb_pages,
|
|
{ "Number of Pages", "ngap.WarningMessageContents.nb_pages",
|
|
FT_UINT8, BASE_DEC, NULL, 0,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_SerialNumber_gs,
|
|
{ "Geographical Scope", "ngap.SerialNumber.gs",
|
|
FT_UINT16, BASE_DEC, VALS(ngap_serialNumber_gs_vals), 0xc000,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_SerialNumber_msg_code,
|
|
{ "Message Code", "ngap.SerialNumber.msg_code",
|
|
FT_UINT16, BASE_DEC, NULL, 0x3ff0,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_SerialNumber_upd_nb,
|
|
{ "Update Number", "ngap.SerialNumber.upd_nb",
|
|
FT_UINT16, BASE_DEC, NULL, 0x000f,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_WarningType_value,
|
|
{ "Warning Type Value", "ngap.WarningType.value",
|
|
FT_UINT16, BASE_DEC, VALS(ngap_warningType_vals), 0xfe00,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_WarningType_emergency_user_alert,
|
|
{ "Emergency User Alert", "ngap.WarningType.emergency_user_alert",
|
|
FT_BOOLEAN, 16, TFS(&tfs_yes_no), 0x0100,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_WarningType_popup,
|
|
{ "Popup", "ngap.WarningType.popup",
|
|
FT_BOOLEAN, 16, TFS(&tfs_yes_no), 0x0080,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_WarningMessageContents_decoded_page,
|
|
{ "Decoded Page", "ngap.WarningMessageContents.decoded_page",
|
|
FT_STRING, STR_UNICODE, NULL, 0,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_NGRANTraceID_TraceID,
|
|
{ "TraceID", "ngap.NGRANTraceID.TraceID",
|
|
FT_UINT24, BASE_HEX, NULL, 0,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_NGRANTraceID_TraceRecordingSessionReference,
|
|
{ "TraceRecordingSessionReference", "ngap.NGRANTraceID.TraceRecordingSessionReference",
|
|
FT_UINT16, BASE_HEX, NULL, 0,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_InterfacesToTrace_NG_C,
|
|
{ "NG-C", "ngap.InterfacesToTrace.NG_C",
|
|
FT_BOOLEAN, 8, NULL, 0x80,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_InterfacesToTrace_Xn_C,
|
|
{ "Xn-C", "ngap.InterfacesToTrace.Xn_C",
|
|
FT_BOOLEAN, 8, NULL, 0x40,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_InterfacesToTrace_Uu,
|
|
{ "Uu", "ngap.InterfacesToTrace.Uu",
|
|
FT_BOOLEAN, 8, NULL, 0x20,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_InterfacesToTrace_F1_C,
|
|
{ "F1-C", "ngap.InterfacesToTrace.F1_C",
|
|
FT_BOOLEAN, 8, NULL, 0x10,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_InterfacesToTrace_E1,
|
|
{ "E1", "ngap.InterfacesToTrace.E1",
|
|
FT_BOOLEAN, 8, NULL, 0x08,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_InterfacesToTrace_reserved,
|
|
{ "Reserved", "ngap.InterfacesToTrace.reserved",
|
|
FT_UINT8, BASE_HEX, NULL, 0x07,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_RATRestrictionInformation_e_UTRA,
|
|
{ "e-UTRA", "ngap.RATRestrictionInformation.e_UTRA",
|
|
FT_BOOLEAN, 8, TFS(&tfs_restricted_not_restricted), 0x80,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_RATRestrictionInformation_nR,
|
|
{ "nR", "ngap.RATRestrictionInformation.nR",
|
|
FT_BOOLEAN, 8, TFS(&tfs_restricted_not_restricted), 0x40,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_RATRestrictionInformation_nR_unlicensed,
|
|
{ "nR-unlicensed", "ngap.RATRestrictionInformation.nR_unlicensed",
|
|
FT_BOOLEAN, 8, TFS(&tfs_restricted_not_restricted), 0x20,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_RATRestrictionInformation_reserved,
|
|
{ "reserved", "ngap.RATRestrictionInformation.reserved",
|
|
FT_UINT8, BASE_HEX, NULL, 0x1f,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_primaryRATRestriction_e_UTRA,
|
|
{ "e-UTRA", "ngap.primaryRATRestriction.e_UTRA",
|
|
FT_BOOLEAN, 8, TFS(&tfs_restricted_not_restricted), 0x80,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_primaryRATRestriction_nR,
|
|
{ "nR", "ngap.primaryRATRestriction.nR",
|
|
FT_BOOLEAN, 8, TFS(&tfs_restricted_not_restricted), 0x40,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_primaryRATRestriction_nR_unlicensed,
|
|
{ "nR-unlicensed", "ngap.primaryRATRestriction.nR_unlicensed",
|
|
FT_BOOLEAN, 8, TFS(&tfs_restricted_not_restricted), 0x20,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_primaryRATRestriction_reserved,
|
|
{ "reserved", "ngap.primaryRATRestriction.reserved",
|
|
FT_UINT8, BASE_HEX, NULL, 0x1f,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_secondaryRATRestriction_e_UTRA,
|
|
{ "e-UTRA", "ngap.secondaryRATRestriction.e_UTRA",
|
|
FT_BOOLEAN, 8, TFS(&tfs_restricted_not_restricted), 0x80,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_secondaryRATRestriction_nR,
|
|
{ "nR", "ngap.secondaryRATRestriction.nR",
|
|
FT_BOOLEAN, 8, TFS(&tfs_restricted_not_restricted), 0x40,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_secondaryRATRestriction_e_UTRA_unlicensed,
|
|
{ "e-UTRA-unlicensed", "ngap.secondaryRATRestriction.e_UTRA_unlicensed",
|
|
FT_BOOLEAN, 8, TFS(&tfs_restricted_not_restricted), 0x20,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_secondaryRATRestriction_nR_unlicensed,
|
|
{ "nR-unlicensed", "ngap.secondaryRATRestriction.nR_unlicensed",
|
|
FT_BOOLEAN, 8, TFS(&tfs_restricted_not_restricted), 0x10,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_secondaryRATRestriction_reserved,
|
|
{ "reserved", "ngap.secondaryRATRestriction.reserved",
|
|
FT_UINT8, BASE_HEX, NULL, 0x0f,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_NrencryptionAlgorithms_nea1,
|
|
{ "128-NEA1", "ngap.NrencryptionAlgorithms.nea1",
|
|
FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x8000,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_NrencryptionAlgorithms_nea2,
|
|
{ "128-NEA2", "ngap.NrencryptionAlgorithms.nea2",
|
|
FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x4000,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_NrencryptionAlgorithms_nea3,
|
|
{ "128-NEA3", "ngap.NrencryptionAlgorithms.nea3",
|
|
FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x2000,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_NrencryptionAlgorithms_reserved,
|
|
{ "Reserved", "ngap.NrencryptionAlgorithms.reserved",
|
|
FT_UINT16, BASE_HEX, NULL, 0x1fff,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_NrintegrityProtectionAlgorithms_nia1,
|
|
{ "128-NIA1", "ngap.NrintegrityProtectionAlgorithms.nia1",
|
|
FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x8000,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_NrintegrityProtectionAlgorithms_nia2,
|
|
{ "128-NIA2", "ngap.NrintegrityProtectionAlgorithms.nia2",
|
|
FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x4000,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_NrintegrityProtectionAlgorithms_nia3,
|
|
{ "128-NIA3", "ngap.NrintegrityProtectionAlgorithms.nia3",
|
|
FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x2000,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_NrintegrityProtectionAlgorithms_reserved,
|
|
{ "Reserved", "ngap.NrintegrityProtectionAlgorithms.reserved",
|
|
FT_UINT16, BASE_HEX, NULL, 0x1fff,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_EUTRAencryptionAlgorithms_eea1,
|
|
{ "128-EEA1", "ngap.EUTRAencryptionAlgorithms.eea1",
|
|
FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x8000,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_EUTRAencryptionAlgorithms_eea2,
|
|
{ "128-EEA2", "ngap.EUTRAencryptionAlgorithms.eea2",
|
|
FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x4000,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_EUTRAencryptionAlgorithms_eea3,
|
|
{ "128-EEA3", "ngap.EUTRAencryptionAlgorithms.eea3",
|
|
FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x2000,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_EUTRAencryptionAlgorithms_reserved,
|
|
{ "Reserved", "ngap.EUTRAencryptionAlgorithms.reserved",
|
|
FT_UINT16, BASE_HEX, NULL, 0x1fff,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_EUTRAintegrityProtectionAlgorithms_eia1,
|
|
{ "128-EIA1", "ngap.EUTRAintegrityProtectionAlgorithms.eia1",
|
|
FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x8000,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_EUTRAintegrityProtectionAlgorithms_eia2,
|
|
{ "128-EIA2", "ngap.EUTRAintegrityProtectionAlgorithms.eia2",
|
|
FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x4000,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_EUTRAintegrityProtectionAlgorithms_eia3,
|
|
{ "128-EIA3", "ngap.EUTRAintegrityProtectionAlgorithms.eia3",
|
|
FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x2000,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_EUTRAintegrityProtectionAlgorithms_reserved,
|
|
{ "Reserved", "ngap.EUTRAintegrityProtectionAlgorithms.reserved",
|
|
FT_UINT16, BASE_HEX, NULL, 0x1fff,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_MeasurementsToActivate_M1,
|
|
{ "M1", "ngap.MeasurementsToActivate.M1",
|
|
FT_BOOLEAN, 8, TFS(&tfs_activated_deactivated), 0x80,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_MeasurementsToActivate_M2,
|
|
{ "M2", "ngap.MeasurementsToActivate.M2",
|
|
FT_BOOLEAN, 8, TFS(&tfs_activated_deactivated), 0x40,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_MeasurementsToActivate_M4,
|
|
{ "M4", "ngap.MeasurementsToActivate.M4",
|
|
FT_BOOLEAN, 8, TFS(&tfs_activated_deactivated), 0x20,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_MeasurementsToActivate_M5,
|
|
{ "M5", "ngap.MeasurementsToActivate.M5",
|
|
FT_BOOLEAN, 8, TFS(&tfs_activated_deactivated), 0x10,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_MeasurementsToActivate_M6,
|
|
{ "M6", "ngap.MeasurementsToActivate.M6",
|
|
FT_BOOLEAN, 8, TFS(&tfs_activated_deactivated), 0x08,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_MeasurementsToActivate_M7,
|
|
{ "M7", "ngap.MeasurementsToActivate.M7",
|
|
FT_BOOLEAN, 8, TFS(&tfs_activated_deactivated), 0x04,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_MeasurementsToActivate_M1_from_event,
|
|
{ "M1 from event", "ngap.MeasurementsToActivate.M1_from_event",
|
|
FT_BOOLEAN, 8, TFS(&tfs_activated_deactivated), 0x02,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_MeasurementsToActivate_reserved,
|
|
{ "Reserved", "ngap.MeasurementsToActivate.reserved",
|
|
FT_BOOLEAN, 8, NULL, 0x01,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_MDT_Location_Information_GNSS,
|
|
{ "GNSS", "ngap.MDT_Location_Information.GNSS",
|
|
FT_BOOLEAN, 8, TFS(&tfs_activated_deactivated), 0x80,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_MDT_Location_Information_reserved,
|
|
{ "Reserved", "ngap.MDT_Location_Information.reserved",
|
|
FT_UINT8, BASE_HEX, NULL, 0x7f,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_GlobalCable_ID_str,
|
|
{ "GlobalCable-ID", "ngap.GlobalCable_ID.str",
|
|
FT_STRING, BASE_NONE, NULL, 0,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_UpdateFeedback_CN_PDB_DL,
|
|
{ "CN PDB DL", "ngap.UpdateFeedback.CN_PDB_DL",
|
|
FT_BOOLEAN, 8, TFS(&ngap_not_updated_updated), 0x80,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_UpdateFeedback_CN_PDB_UL,
|
|
{ "CN PDB UL", "ngap.UpdateFeedback.CN_PDB_UL",
|
|
FT_BOOLEAN, 8, TFS(&ngap_not_updated_updated), 0x40,
|
|
NULL, HFILL }},
|
|
{ &hf_ngap_UpdateFeedback_reserved,
|
|
{ "Reserved", "ngap.UpdateFeedback.reserved",
|
|
FT_UINT8, BASE_HEX, NULL, 0x3f,
|
|
NULL, HFILL }},
|
|
#include "packet-ngap-hfarr.c"
|
|
};
|
|
|
|
/* List of subtrees */
|
|
static gint *ett[] = {
|
|
&ett_ngap,
|
|
&ett_ngap_TransportLayerAddress,
|
|
&ett_ngap_DataCodingScheme,
|
|
&ett_ngap_SerialNumber,
|
|
&ett_ngap_WarningType,
|
|
&ett_ngap_WarningMessageContents,
|
|
&ett_ngap_PLMNIdentity,
|
|
&ett_ngap_NGAP_Message,
|
|
&ett_ngap_NGRANTraceID,
|
|
&ett_ngap_InterfacesToTrace,
|
|
&ett_ngap_SourceToTarget_TransparentContainer,
|
|
&ett_ngap_TargetToSource_TransparentContainer,
|
|
&ett_ngap_RRCContainer,
|
|
&ett_ngap_RATRestrictionInformation,
|
|
&ett_ngap_primaryRATRestriction,
|
|
&ett_ngap_secondaryRATRestriction,
|
|
&ett_ngap_NrencryptionAlgorithms,
|
|
&ett_ngap_NrintegrityProtectionAlgorithms,
|
|
&ett_ngap_EUTRAencryptionAlgorithms,
|
|
&ett_ngap_EUTRAintegrityProtectionAlgorithms,
|
|
&ett_ngap_UERadioCapabilityForPagingOfNR,
|
|
&ett_ngap_UERadioCapabilityForPagingOfEUTRA,
|
|
&ett_ngap_UERadioCapability,
|
|
&ett_ngap_LastVisitedEUTRANCellInformation,
|
|
&ett_ngap_LastVisitedUTRANCellInformation,
|
|
&ett_ngap_LastVisitedGERANCellInformation,
|
|
&ett_ngap_NASSecurityParametersFromNGRAN,
|
|
&ett_ngap_NASC,
|
|
&ett_ngap_NAS_PDU,
|
|
&ett_ngap_EN_DCSONConfigurationTransfer,
|
|
&ett_ngap_BurstArrivalTime,
|
|
&ett_ngap_CoverageEnhancementLevel,
|
|
&ett_ngap_MDTModeEutra,
|
|
&ett_ngap_MeasurementsToActivate,
|
|
&ett_ngap_MDT_Location_Information,
|
|
&ett_ngap_NRMobilityHistoryReport,
|
|
&ett_ngap_LTEUERLFReportContainer,
|
|
&ett_ngap_NRUERLFReportContainer,
|
|
&ett_ngap_TargettoSource_Failure_TransparentContainer,
|
|
&ett_ngap_UERadioCapabilityForPagingOfNB_IoT,
|
|
&ett_ngap_GlobalCable_ID,
|
|
&ett_ngap_UpdateFeedback,
|
|
#include "packet-ngap-ettarr.c"
|
|
};
|
|
|
|
static ei_register_info ei[] = {
|
|
{ &ei_ngap_number_pages_le15, { "ngap.number_pages_le15", PI_MALFORMED, PI_ERROR, "Number of pages should be <=15", EXPFILL }}
|
|
};
|
|
|
|
module_t *ngap_module;
|
|
expert_module_t* expert_ngap;
|
|
|
|
/* Register protocol */
|
|
proto_ngap = proto_register_protocol(PNAME, PSNAME, PFNAME);
|
|
/* Register fields and subtrees */
|
|
proto_register_field_array(proto_ngap, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
expert_ngap = expert_register_protocol(proto_ngap);
|
|
expert_register_field_array(expert_ngap, ei, array_length(ei));
|
|
|
|
/* Register dissector */
|
|
ngap_handle = register_dissector("ngap", dissect_ngap, proto_ngap);
|
|
ngap_media_type_handle = register_dissector("ngap_media_type", dissect_ngap_media_type, proto_ngap);
|
|
|
|
/* Register dissector tables */
|
|
ngap_ies_dissector_table = register_dissector_table("ngap.ies", "NGAP-PROTOCOL-IES", proto_ngap, FT_UINT32, BASE_DEC);
|
|
ngap_ies_p1_dissector_table = register_dissector_table("ngap.ies.pair.first", "NGAP-PROTOCOL-IES-PAIR FirstValue", proto_ngap, FT_UINT32, BASE_DEC);
|
|
ngap_ies_p2_dissector_table = register_dissector_table("ngap.ies.pair.second", "NGAP-PROTOCOL-IES-PAIR SecondValue", proto_ngap, FT_UINT32, BASE_DEC);
|
|
ngap_extension_dissector_table = register_dissector_table("ngap.extension", "NGAP-PROTOCOL-EXTENSION", proto_ngap, FT_UINT32, BASE_DEC);
|
|
ngap_proc_imsg_dissector_table = register_dissector_table("ngap.proc.imsg", "NGAP-ELEMENTARY-PROCEDURE InitiatingMessage", proto_ngap, FT_UINT32, BASE_DEC);
|
|
ngap_proc_sout_dissector_table = register_dissector_table("ngap.proc.sout", "NGAP-ELEMENTARY-PROCEDURE SuccessfulOutcome", proto_ngap, FT_UINT32, BASE_DEC);
|
|
ngap_proc_uout_dissector_table = register_dissector_table("ngap.proc.uout", "NGAP-ELEMENTARY-PROCEDURE UnsuccessfulOutcome", proto_ngap, FT_UINT32, BASE_DEC);
|
|
ngap_n2_ie_type_dissector_table = register_dissector_table("ngap.n2_ie_type", "NGAP N2 IE Type", proto_ngap, FT_STRING, FALSE);
|
|
|
|
/* Register configuration options for ports */
|
|
ngap_module = prefs_register_protocol(proto_ngap, proto_reg_handoff_ngap);
|
|
|
|
prefs_register_uint_preference(ngap_module, "sctp.port",
|
|
"NGAP SCTP Port",
|
|
"Set the SCTP port for NGAP messages",
|
|
10,
|
|
&gbl_ngapSctpPort);
|
|
prefs_register_bool_preference(ngap_module, "dissect_container",
|
|
"Dissect TransparentContainer",
|
|
"Dissect TransparentContainers that are opaque to NGAP",
|
|
&ngap_dissect_container);
|
|
prefs_register_enum_preference(ngap_module, "dissect_target_ng_ran_container_as",
|
|
"Dissect target NG-RAN container as",
|
|
"Select whether target NG-RAN container should be decoded automatically"
|
|
" (based on NG Setup procedure) or manually",
|
|
&ngap_dissect_target_ng_ran_container_as, ngap_target_ng_ran_container_vals, FALSE);
|
|
prefs_register_enum_preference(ngap_module, "dissect_lte_container_as", "Dissect LTE container as",
|
|
"Select whether LTE container should be dissected as NB-IOT or legacy LTE",
|
|
&ngap_dissect_lte_container_as, ngap_lte_container_vals, FALSE);
|
|
}
|
|
|
|
/*
|
|
* Editor modelines
|
|
*
|
|
* Local Variables:
|
|
* c-basic-offset: 2
|
|
* tab-width: 8
|
|
* indent-tabs-mode: nil
|
|
* End:
|
|
*
|
|
* ex: set shiftwidth=2 tabstop=8 expandtab:
|
|
* :indentSize=2:tabSize=8:noTabs=true:
|
|
*/
|