/* packet-s1ap.c * Routines for E-UTRAN S1 Application Protocol (S1AP) packet dissection * Copyright 2007-2016, Anders Broman * * Wireshark - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * * Based on the RANAP dissector * * References: 3GPP TS 36.413 V13.5.0 (2016-12) */ #include "config.h" #include #include #include #include #include #include #include #include #include "packet-ber.h" #include "packet-per.h" #include "packet-e212.h" #include "packet-sccp.h" #include "packet-lte-rrc.h" #include "packet-ranap.h" #include "packet-bssgp.h" #include "packet-s1ap.h" #include "packet-a21.h" #include "packet-gsm_map.h" #include "packet-cell_broadcast.h" #include "packet-gsm_a_common.h" #define PNAME "S1 Application Protocol" #define PSNAME "S1AP" #define PFNAME "s1ap" /* Dissector will use SCTP PPID 18 or SCTP port. IANA assigned port = 36412 */ #define SCTP_PORT_S1AP 36412 void proto_register_s1ap(void); void proto_reg_handoff_s1ap(void); static dissector_handle_t nas_eps_handle; static dissector_handle_t lppa_handle; static dissector_handle_t bssgp_handle; #include "packet-s1ap-val.h" /* Initialize the protocol and registered fields */ static int proto_s1ap = -1; static int hf_s1ap_transportLayerAddressIPv4 = -1; static int hf_s1ap_transportLayerAddressIPv6 = -1; static int hf_s1ap_E_UTRAN_Trace_ID_TraceID = -1; static int hf_s1ap_E_UTRAN_Trace_ID_TraceRecordingSessionReference = -1; static int hf_s1ap_interfacesToTrace_S1_MME = -1; static int hf_s1ap_interfacesToTrace_X2 = -1; static int hf_s1ap_interfacesToTrace_Uu = -1; static int hf_s1ap_interfacesToTrace_Reserved = -1; static int hf_s1ap_encryptionAlgorithms_EEA1 = -1; static int hf_s1ap_encryptionAlgorithms_EEA2 = -1; static int hf_s1ap_encryptionAlgorithms_EEA3 = -1; static int hf_s1ap_encryptionAlgorithms_Reserved = -1; static int hf_s1ap_integrityProtectionAlgorithms_EIA1 = -1; static int hf_s1ap_integrityProtectionAlgorithms_EIA2 = -1; static int hf_s1ap_integrityProtectionAlgorithms_EIA3 = -1; static int hf_s1ap_integrityProtectionAlgorithms_Reserved = -1; static int hf_s1ap_SerialNumber_gs = -1; static int hf_s1ap_SerialNumber_msg_code = -1; static int hf_s1ap_SerialNumber_upd_nb = -1; static int hf_s1ap_WarningType_value = -1; static int hf_s1ap_WarningType_emergency_user_alert = -1; static int hf_s1ap_WarningType_popup = -1; static int hf_s1ap_WarningMessageContents_nb_pages = -1; static int hf_s1ap_WarningMessageContents_decoded_page = -1; static int hf_s1ap_measurementsToActivate_M1 = -1; static int hf_s1ap_measurementsToActivate_M2 = -1; static int hf_s1ap_measurementsToActivate_M3 = -1; static int hf_s1ap_measurementsToActivate_M4 = -1; static int hf_s1ap_measurementsToActivate_M5 = -1; static int hf_s1ap_measurementsToActivate_LoggingM1FromEventTriggered = -1; static int hf_s1ap_measurementsToActivate_M6 = -1; static int hf_s1ap_measurementsToActivate_M7 = -1; static int hf_s1ap_MDT_Location_Info_GNSS = -1; static int hf_s1ap_MDT_Location_Info_E_CID = -1; static int hf_s1ap_MDT_Location_Info_Reserved = -1; #include "packet-s1ap-hf.c" /* Initialize the subtree pointers */ static int ett_s1ap = -1; static int ett_s1ap_TransportLayerAddress = -1; static int ett_s1ap_ToTargetTransparentContainer = -1; static int ett_s1ap_ToSourceTransparentContainer = -1; static int ett_s1ap_RRCContainer = -1; static int ett_s1ap_UERadioCapability = -1; static int ett_s1ap_RIMInformation = -1; static int ett_s1ap_Cdma2000PDU = -1; static int ett_s1ap_Cdma2000SectorID = -1; static int ett_s1ap_UERadioPagingInformation = -1; static int ett_s1ap_UE_HistoryInformationFromTheUE = -1; static int ett_s1ap_CELevel = -1; static int ett_s1ap_UE_RLF_Report_Container = -1; static int ett_s1ap_UE_RLF_Report_Container_for_extended_bands = -1; static int ett_s1ap_S1_Message = -1; static int ett_s1ap_E_UTRAN_Trace_ID = -1; static int ett_s1ap_InterfacesToTrace = -1; static int ett_s1ap_EncryptionAlgorithms = -1; static int ett_s1ap_IntegrityProtectionAlgorithms = -1; static int ett_s1ap_LastVisitedUTRANCellInformation = -1; static int ett_s1ap_SerialNumber = -1; static int ett_s1ap_WarningType = -1; static int ett_s1ap_DataCodingScheme = -1; static int ett_s1ap_WarningMessageContents = -1; static int ett_s1ap_MSClassmark = -1; static int ett_s1ap_MeasurementsToActivate = -1; static int ett_s1ap_MDT_Location_Info = -1; static int ett_s1ap_IMSI = -1; static int ett_s1ap_NASSecurityParameters = -1; #include "packet-s1ap-ett.c" static expert_field ei_s1ap_number_pages_le15 = EI_INIT; enum{ INITIATING_MESSAGE, SUCCESSFUL_OUTCOME, UNSUCCESSFUL_OUTCOME }; struct s1ap_conv_info { wmem_map_t *nbiot_ta; wmem_tree_t *nbiot_enb_ue_s1ap_id; }; struct s1ap_supported_ta { guint16 tac; wmem_array_t *plmn; }; struct s1ap_tai { guint32 plmn; guint16 tac; }; struct s1ap_private_data { struct s1ap_conv_info *s1ap_conv; guint32 procedure_code; guint32 protocol_ie_id; guint32 protocol_extension_id; guint32 handover_type_value; guint32 message_type; guint8 data_coding_scheme; struct s1ap_supported_ta *supported_ta; const char *obj_id; struct s1ap_tai *tai; guint16 enb_ue_s1ap_id; }; enum { S1AP_LTE_CONTAINER_AUTOMATIC, S1AP_LTE_CONTAINER_LEGACY, S1AP_LTE_CONTAINER_NBIOT }; static const enum_val_t s1ap_lte_container_vals[] = { {"automatic", "Automatic", S1AP_LTE_CONTAINER_AUTOMATIC}, {"legacy", "Legacy LTE", S1AP_LTE_CONTAINER_LEGACY}, {"nb-iot","NB-IoT", S1AP_LTE_CONTAINER_NBIOT}, {NULL, NULL, -1} }; /* Global variables */ static guint gbl_s1apSctpPort=SCTP_PORT_S1AP; static gboolean g_s1ap_dissect_container = TRUE; static gint g_s1ap_dissect_lte_container_as = S1AP_LTE_CONTAINER_AUTOMATIC; static dissector_handle_t gcsna_handle = NULL; static dissector_handle_t s1ap_handle; /* Dissector tables */ static dissector_table_t s1ap_ies_dissector_table; static dissector_table_t s1ap_ies_p1_dissector_table; static dissector_table_t s1ap_ies_p2_dissector_table; static dissector_table_t s1ap_extension_dissector_table; static dissector_table_t s1ap_proc_imsg_dissector_table; static dissector_table_t s1ap_proc_sout_dissector_table; static dissector_table_t s1ap_proc_uout_dissector_table; static int dissect_ProtocolIEFieldValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *); /* Currently not used static int dissect_ProtocolIEFieldPairFirstValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); static int dissect_ProtocolIEFieldPairSecondValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); */ static int dissect_ProtocolExtensionFieldExtensionValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *); static int dissect_InitiatingMessageValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *); static int dissect_SuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *); static int dissect_UnsuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *); static int dissect_SourceeNB_ToTargeteNB_TransparentContainer_PDU(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *); static int dissect_TargeteNB_ToSourceeNB_TransparentContainer_PDU(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *); static int dissect_InitialUEMessage_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data); #if 0 static int dissect_SourceRNC_ToTargetRNC_TransparentContainer_PDU(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); static int dissect_TargetRNC_ToSourceRNC_TransparentContainer_PDU(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); static int dissect_SourceBSS_ToTargetBSS_TransparentContainer_PDU(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); static int dissect_TargetBSS_ToSourceBSS_TransparentContainer_PDU(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); #endif static void s1ap_Threshold_RSRP_fmt(gchar *s, guint32 v) { g_snprintf(s, ITEM_LABEL_LENGTH, "%ddBm (%u)", (gint32)v-140, v); } static void s1ap_Threshold_RSRQ_fmt(gchar *s, guint32 v) { g_snprintf(s, ITEM_LABEL_LENGTH, "%.1fdB (%u)", ((float)v/2)-20, v); } static const true_false_string s1ap_tfs_interfacesToTrace = { "Should be traced", "Should not be traced" }; static void s1ap_Time_UE_StayedInCell_EnhancedGranularity_fmt(gchar *s, guint32 v) { g_snprintf(s, ITEM_LABEL_LENGTH, "%.1fs", ((float)v)/10); } const value_string s1ap_serialNumber_gs_vals[] = { { 0, "Display mode immediate, cell wide"}, { 1, "Display mode normal, PLMN wide"}, { 2, "Display mode normal, tracking area wide"}, { 3, "Display mode normal, cell wide"}, { 0, NULL}, }; const value_string s1ap_warningType_vals[] = { { 0, "Earthquake"}, { 1, "Tsunami"}, { 2, "Earthquake and Tsunami"}, { 3, "Test"}, { 4, "Other"}, { 0, NULL}, }; void dissect_s1ap_warningMessageContents(tvbuff_t *warning_msg_tvb, proto_tree *tree, packet_info *pinfo, guint8 dcs, int hf_nb_pages, int hf_decoded_page) { guint32 offset; guint8 nb_of_pages, length, *str; proto_item *ti; tvbuff_t *cb_data_page_tvb, *cb_data_tvb; int i; nb_of_pages = tvb_get_guint8(warning_msg_tvb, 0); 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_s1ap_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 s1ap_EUTRANRoundTripDelayEstimationInfo_fmt(gchar *s, guint32 v) { g_snprintf(s, ITEM_LABEL_LENGTH, "%uTs (%u)", 16*v, v); } static const true_false_string s1ap_tfs_activate_do_not_activate = { "Activate", "Do not activate" }; static struct s1ap_private_data* s1ap_get_private_data(packet_info *pinfo) { struct s1ap_private_data *s1ap_data = (struct s1ap_private_data*)p_get_proto_data(pinfo->pool, pinfo, proto_s1ap, 0); if (!s1ap_data) { s1ap_data = wmem_new0(pinfo->pool, struct s1ap_private_data); p_add_proto_data(pinfo->pool, pinfo, proto_s1ap, 0, s1ap_data); } return s1ap_data; } static gboolean s1ap_is_nbiot_ue(packet_info *pinfo) { struct s1ap_private_data *s1ap_data = s1ap_get_private_data(pinfo); if (s1ap_data->s1ap_conv) { wmem_tree_key_t tree_key[3]; guint32 *id; guint32 enb_ue_s1ap_id = s1ap_data->enb_ue_s1ap_id; tree_key[0].length = 1; tree_key[0].key = &enb_ue_s1ap_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(s1ap_data->s1ap_conv->nbiot_enb_ue_s1ap_id, tree_key); if (id && (*id == enb_ue_s1ap_id)) { return TRUE; } } return FALSE; } #include "packet-s1ap-fn.c" static int dissect_ProtocolIEFieldValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) { s1ap_ctx_t s1ap_ctx; struct s1ap_private_data *s1ap_data = s1ap_get_private_data(pinfo); s1ap_ctx.message_type = s1ap_data->message_type; s1ap_ctx.ProcedureCode = s1ap_data->procedure_code; s1ap_ctx.ProtocolIE_ID = s1ap_data->protocol_ie_id; s1ap_ctx.ProtocolExtensionID = s1ap_data->protocol_extension_id; return (dissector_try_uint_new(s1ap_ies_dissector_table, s1ap_data->protocol_ie_id, tvb, pinfo, tree, TRUE, &s1ap_ctx)) ? tvb_captured_length(tvb) : 0; } /* Currently not used static int dissect_ProtocolIEFieldPairFirstValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { struct s1ap_private_data *s1ap_data = s1ap_get_private_data(pinfo); return (dissector_try_uint(s1ap_ies_p1_dissector_table, s1ap_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 s1ap_private_data *s1ap_data = s1ap_get_private_data(pinfo); return (dissector_try_uint(s1ap_ies_p2_dissector_table, s1ap_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_) { s1ap_ctx_t s1ap_ctx; struct s1ap_private_data *s1ap_data = s1ap_get_private_data(pinfo); s1ap_ctx.message_type = s1ap_data->message_type; s1ap_ctx.ProcedureCode = s1ap_data->procedure_code; s1ap_ctx.ProtocolIE_ID = s1ap_data->protocol_ie_id; s1ap_ctx.ProtocolExtensionID = s1ap_data->protocol_extension_id; return (dissector_try_uint_new(s1ap_extension_dissector_table, s1ap_data->protocol_extension_id, tvb, pinfo, tree, TRUE, &s1ap_ctx)) ? tvb_captured_length(tvb) : 0; } static int dissect_InitiatingMessageValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) { struct s1ap_private_data *s1ap_data = s1ap_get_private_data(pinfo); return (dissector_try_uint_new(s1ap_proc_imsg_dissector_table, s1ap_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 s1ap_private_data *s1ap_data = s1ap_get_private_data(pinfo); return (dissector_try_uint_new(s1ap_proc_sout_dissector_table, s1ap_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 s1ap_private_data *s1ap_data = s1ap_get_private_data(pinfo); return (dissector_try_uint_new(s1ap_proc_uout_dissector_table, s1ap_data->procedure_code, tvb, pinfo, tree, TRUE, data)) ? tvb_captured_length(tvb) : 0; } static int dissect_s1ap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { proto_item *s1ap_item = NULL; proto_tree *s1ap_tree = NULL; conversation_t *conversation; struct s1ap_private_data* s1ap_data; wmem_list_frame_t *prev_layer; /* make entry in the Protocol column on summary display */ col_set_str(pinfo->cinfo, COL_PROTOCOL, "S1AP"); /* ensure that parent dissector is not S1AP 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_s1ap) col_clear_fence(pinfo->cinfo, COL_INFO); col_clear(pinfo->cinfo, COL_INFO); /* create the s1ap protocol tree */ s1ap_item = proto_tree_add_item(tree, proto_s1ap, tvb, 0, -1, ENC_NA); s1ap_tree = proto_item_add_subtree(s1ap_item, ett_s1ap); s1ap_data = s1ap_get_private_data(pinfo); conversation = find_or_create_conversation(pinfo); s1ap_data->s1ap_conv = (struct s1ap_conv_info *)conversation_get_proto_data(conversation, proto_s1ap); if (!s1ap_data->s1ap_conv) { s1ap_data->s1ap_conv = wmem_new(wmem_file_scope(), struct s1ap_conv_info); s1ap_data->s1ap_conv->nbiot_ta = wmem_map_new(wmem_file_scope(), wmem_int64_hash, g_int64_equal); s1ap_data->s1ap_conv->nbiot_enb_ue_s1ap_id = wmem_tree_new(wmem_file_scope()); conversation_add_proto_data(conversation, proto_s1ap, s1ap_data->s1ap_conv); } dissect_S1AP_PDU_PDU(tvb, pinfo, s1ap_tree, NULL); return tvb_captured_length(tvb); } /*--- proto_reg_handoff_s1ap ---------------------------------------*/ void proto_reg_handoff_s1ap(void) { static gboolean Initialized=FALSE; static guint SctpPort; gcsna_handle = find_dissector_add_dependency("gcsna", proto_s1ap); if (!Initialized) { nas_eps_handle = find_dissector_add_dependency("nas-eps", proto_s1ap); lppa_handle = find_dissector_add_dependency("lppa", proto_s1ap); bssgp_handle = find_dissector_add_dependency("bssgp", proto_s1ap); dissector_add_for_decode_as("sctp.port", s1ap_handle); dissector_add_uint("sctp.ppi", S1AP_PAYLOAD_PROTOCOL_ID, s1ap_handle); Initialized=TRUE; #include "packet-s1ap-dis-tab.c" } else { if (SctpPort != 0) { dissector_delete_uint("sctp.port", SctpPort, s1ap_handle); } } SctpPort=gbl_s1apSctpPort; if (SctpPort != 0) { dissector_add_uint("sctp.port", SctpPort, s1ap_handle); } } /*--- proto_register_s1ap -------------------------------------------*/ void proto_register_s1ap(void) { /* List of fields */ static hf_register_info hf[] = { { &hf_s1ap_transportLayerAddressIPv4, { "transportLayerAddress(IPv4)", "s1ap.transportLayerAddressIPv4", FT_IPv4, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_s1ap_transportLayerAddressIPv6, { "transportLayerAddress(IPv6)", "s1ap.transportLayerAddressIPv6", FT_IPv6, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_s1ap_E_UTRAN_Trace_ID_TraceID, { "TraceID", "s1ap.E_UTRAN_Trace_ID.TraceID", FT_UINT24, BASE_HEX, NULL, 0, NULL, HFILL }}, { &hf_s1ap_E_UTRAN_Trace_ID_TraceRecordingSessionReference, { "TraceRecordingSessionReference", "s1ap.E_UTRAN_Trace_ID.TraceRecordingSessionReference", FT_UINT16, BASE_HEX, NULL, 0, NULL, HFILL }}, { &hf_s1ap_interfacesToTrace_S1_MME, { "S1-MME", "s1ap.interfacesToTrace.S1_MME", FT_BOOLEAN, 8, TFS(&s1ap_tfs_interfacesToTrace), 0x80, NULL, HFILL }}, { &hf_s1ap_interfacesToTrace_X2, { "X2", "s1ap.interfacesToTrace.X2", FT_BOOLEAN, 8, TFS(&s1ap_tfs_interfacesToTrace), 0x40, NULL, HFILL }}, { &hf_s1ap_interfacesToTrace_Uu, { "Uu", "s1ap.interfacesToTrace.Uu", FT_BOOLEAN, 8, TFS(&s1ap_tfs_interfacesToTrace), 0x20, NULL, HFILL }}, { &hf_s1ap_interfacesToTrace_Reserved, { "Reserved", "s1ap.interfacesToTrace.Reserved", FT_UINT8, BASE_HEX, NULL, 0x1f, NULL, HFILL }}, { &hf_s1ap_encryptionAlgorithms_EEA1, { "128-EEA1", "s1ap.encryptionAlgorithms.EEA1", FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x8000, NULL, HFILL }}, { &hf_s1ap_encryptionAlgorithms_EEA2, { "128-EEA2", "s1ap.encryptionAlgorithms.EEA2", FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x4000, NULL, HFILL }}, { &hf_s1ap_encryptionAlgorithms_EEA3, { "128-EEA3", "s1ap.encryptionAlgorithms.EEA3", FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x2000, NULL, HFILL }}, { &hf_s1ap_encryptionAlgorithms_Reserved, { "Reserved", "s1ap.encryptionAlgorithms.Reserved", FT_UINT16, BASE_HEX, NULL, 0x1fff, NULL, HFILL }}, { &hf_s1ap_integrityProtectionAlgorithms_EIA1, { "128-EIA1", "s1ap.integrityProtectionAlgorithms.EIA1", FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x8000, NULL, HFILL }}, { &hf_s1ap_integrityProtectionAlgorithms_EIA2, { "128-EIA2", "s1ap.integrityProtectionAlgorithms.EIA2", FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x4000, NULL, HFILL }}, { &hf_s1ap_integrityProtectionAlgorithms_EIA3, { "128-EIA3", "s1ap.integrityProtectionAlgorithms.EIA3", FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x2000, NULL, HFILL }}, { &hf_s1ap_integrityProtectionAlgorithms_Reserved, { "Reserved", "s1ap.integrityProtectionAlgorithms.Reserved", FT_UINT16, BASE_HEX, NULL, 0x1fff, NULL, HFILL }}, { &hf_s1ap_SerialNumber_gs, { "Geographical Scope", "s1ap.SerialNumber.gs", FT_UINT16, BASE_DEC, VALS(s1ap_serialNumber_gs_vals), 0xc000, NULL, HFILL }}, { &hf_s1ap_SerialNumber_msg_code, { "Message Code", "s1ap.SerialNumber.msg_code", FT_UINT16, BASE_DEC, NULL, 0x3ff0, NULL, HFILL }}, { &hf_s1ap_SerialNumber_upd_nb, { "Update Number", "s1ap.SerialNumber.upd_nb", FT_UINT16, BASE_DEC, NULL, 0x000f, NULL, HFILL }}, { &hf_s1ap_WarningType_value, { "Warning Type Value", "s1ap.WarningType.value", FT_UINT16, BASE_DEC, VALS(s1ap_warningType_vals), 0xfe00, NULL, HFILL }}, { &hf_s1ap_WarningType_emergency_user_alert, { "Emergency User Alert", "s1ap.WarningType.emergency_user_alert", FT_BOOLEAN, 16, TFS(&tfs_yes_no), 0x0100, NULL, HFILL }}, { &hf_s1ap_WarningType_popup, { "Popup", "s1ap.WarningType.popup", FT_BOOLEAN, 16, TFS(&tfs_yes_no), 0x0080, NULL, HFILL }}, { &hf_s1ap_WarningMessageContents_nb_pages, { "Number of Pages", "s1ap.WarningMessageContents.nb_pages", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_s1ap_WarningMessageContents_decoded_page, { "Decoded Page", "lte-rrc.WarningMessageContents.decoded_page", FT_STRING, STR_UNICODE, NULL, 0, NULL, HFILL }}, { &hf_s1ap_measurementsToActivate_M1, { "M1", "s1ap.measurementsToActivate.M1", FT_BOOLEAN, 8, TFS(&s1ap_tfs_activate_do_not_activate), 0x80, NULL, HFILL }}, { &hf_s1ap_measurementsToActivate_M2, { "M2", "s1ap.measurementsToActivate.M2", FT_BOOLEAN, 8, TFS(&s1ap_tfs_activate_do_not_activate), 0x40, NULL, HFILL }}, { &hf_s1ap_measurementsToActivate_M3, { "M3", "s1ap.measurementsToActivate.M3", FT_BOOLEAN, 8, TFS(&s1ap_tfs_activate_do_not_activate), 0x20, NULL, HFILL }}, { &hf_s1ap_measurementsToActivate_M4, { "M4", "s1ap.measurementsToActivate.M4", FT_BOOLEAN, 8, TFS(&s1ap_tfs_activate_do_not_activate), 0x10, NULL, HFILL }}, { &hf_s1ap_measurementsToActivate_M5, { "M5", "s1ap.measurementsToActivate.M5", FT_BOOLEAN, 8, TFS(&s1ap_tfs_activate_do_not_activate), 0x08, NULL, HFILL }}, { &hf_s1ap_measurementsToActivate_LoggingM1FromEventTriggered, { "LoggingOfM1FromEventTriggeredMeasurementReports", "s1ap.measurementsToActivate.LoggingM1FromEventTriggered", FT_BOOLEAN, 8, TFS(&s1ap_tfs_activate_do_not_activate), 0x04, NULL, HFILL }}, { &hf_s1ap_measurementsToActivate_M6, { "M6", "s1ap.measurementsToActivate.M6", FT_BOOLEAN, 8, TFS(&s1ap_tfs_activate_do_not_activate), 0x02, NULL, HFILL }}, { &hf_s1ap_measurementsToActivate_M7, { "M7", "s1ap.measurementsToActivate.M7", FT_BOOLEAN, 8, TFS(&s1ap_tfs_activate_do_not_activate), 0x01, NULL, HFILL }}, { &hf_s1ap_MDT_Location_Info_GNSS, { "GNSS", "s1ap.MDT_Location_Info.GNSS", FT_BOOLEAN, 8, TFS(&s1ap_tfs_activate_do_not_activate), 0x80, NULL, HFILL }}, { &hf_s1ap_MDT_Location_Info_E_CID, { "E-CID", "s1ap.MDT_Location_Info.E_CID", FT_BOOLEAN, 8, TFS(&s1ap_tfs_activate_do_not_activate), 0x40, NULL, HFILL }}, { &hf_s1ap_MDT_Location_Info_Reserved, { "Reserved", "s1ap.MDT_Location_Info.Reserved", FT_UINT8, BASE_HEX, NULL, 0x3f, NULL, HFILL }}, #include "packet-s1ap-hfarr.c" }; /* List of subtrees */ static gint *ett[] = { &ett_s1ap, &ett_s1ap_TransportLayerAddress, &ett_s1ap_ToTargetTransparentContainer, &ett_s1ap_ToSourceTransparentContainer, &ett_s1ap_RRCContainer, &ett_s1ap_UERadioCapability, &ett_s1ap_RIMInformation, &ett_s1ap_Cdma2000PDU, &ett_s1ap_Cdma2000SectorID, &ett_s1ap_UERadioPagingInformation, &ett_s1ap_UE_HistoryInformationFromTheUE, &ett_s1ap_CELevel, &ett_s1ap_UE_RLF_Report_Container, &ett_s1ap_UE_RLF_Report_Container_for_extended_bands, &ett_s1ap_S1_Message, &ett_s1ap_E_UTRAN_Trace_ID, &ett_s1ap_InterfacesToTrace, &ett_s1ap_EncryptionAlgorithms, &ett_s1ap_IntegrityProtectionAlgorithms, &ett_s1ap_LastVisitedUTRANCellInformation, &ett_s1ap_SerialNumber, &ett_s1ap_WarningType, &ett_s1ap_DataCodingScheme, &ett_s1ap_WarningMessageContents, &ett_s1ap_MSClassmark, &ett_s1ap_MeasurementsToActivate, &ett_s1ap_MDT_Location_Info, &ett_s1ap_IMSI, &ett_s1ap_NASSecurityParameters, #include "packet-s1ap-ettarr.c" }; static ei_register_info ei[] = { { &ei_s1ap_number_pages_le15, { "s1ap.number_pages_le15", PI_MALFORMED, PI_ERROR, "Number of pages should be <=15", EXPFILL }} }; module_t *s1ap_module; expert_module_t* expert_s1ap; /* Register protocol */ proto_s1ap = proto_register_protocol(PNAME, PSNAME, PFNAME); /* Register fields and subtrees */ proto_register_field_array(proto_s1ap, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); expert_s1ap = expert_register_protocol(proto_s1ap); expert_register_field_array(expert_s1ap, ei, array_length(ei)); /* Register dissector */ s1ap_handle = register_dissector("s1ap", dissect_s1ap, proto_s1ap); /* Register dissector tables */ s1ap_ies_dissector_table = register_dissector_table("s1ap.ies", "S1AP-PROTOCOL-IES", proto_s1ap, FT_UINT32, BASE_DEC); s1ap_ies_p1_dissector_table = register_dissector_table("s1ap.ies.pair.first", "S1AP-PROTOCOL-IES-PAIR FirstValue", proto_s1ap, FT_UINT32, BASE_DEC); s1ap_ies_p2_dissector_table = register_dissector_table("s1ap.ies.pair.second", "S1AP-PROTOCOL-IES-PAIR SecondValue", proto_s1ap, FT_UINT32, BASE_DEC); s1ap_extension_dissector_table = register_dissector_table("s1ap.extension", "S1AP-PROTOCOL-EXTENSION", proto_s1ap, FT_UINT32, BASE_DEC); s1ap_proc_imsg_dissector_table = register_dissector_table("s1ap.proc.imsg", "S1AP-ELEMENTARY-PROCEDURE InitiatingMessage", proto_s1ap, FT_UINT32, BASE_DEC); s1ap_proc_sout_dissector_table = register_dissector_table("s1ap.proc.sout", "S1AP-ELEMENTARY-PROCEDURE SuccessfulOutcome", proto_s1ap, FT_UINT32, BASE_DEC); s1ap_proc_uout_dissector_table = register_dissector_table("s1ap.proc.uout", "S1AP-ELEMENTARY-PROCEDURE UnsuccessfulOutcome", proto_s1ap, FT_UINT32, BASE_DEC); /* Register configuration options for ports */ s1ap_module = prefs_register_protocol(proto_s1ap, proto_reg_handoff_s1ap); prefs_register_uint_preference(s1ap_module, "sctp.port", "S1AP SCTP Port", "Set the SCTP port for S1AP messages", 10, &gbl_s1apSctpPort); prefs_register_bool_preference(s1ap_module, "dissect_container", "Dissect TransparentContainer", "Dissect TransparentContainers that are opaque to S1AP", &g_s1ap_dissect_container); prefs_register_enum_preference(s1ap_module, "dissect_lte_container_as", "Dissect LTE TransparentContainer as", "Select whether LTE TransparentContainer should be dissected as NB-IOT or legacy LTE", &g_s1ap_dissect_lte_container_as, s1ap_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: */