/* packet-sbc-ap.c * Routines for SBc Application Part (SBc-AP) packet dissection * * Wireshark - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * SPDX-License-Identifier: GPL-2.0-or-later * * Ref 3GPP TS 29.168 */ #include "config.h" #include #include #include #include #include #include "packet-ber.h" #include "packet-per.h" #include "packet-e212.h" #include "packet-gsm_map.h" #include "packet-s1ap.h" #include "packet-lte-rrc.h" #define PNAME "SBc Application Part" #define PSNAME "SBCAP" #define PFNAME "sbcap" void proto_register_sbc_ap(void); void proto_reg_handoff_sbc_ap(void); /* The registered port number for SBc-AP is 29168. * The registered payload protocol identifier for SBc-AP is 24. */ #define SBC_AP_PORT 29168 static dissector_handle_t sbc_ap_handle=NULL; #include "packet-sbc-ap-val.h" /* Initialize the protocol and registered fields */ static int proto_sbc_ap = -1; static int hf_sbc_ap_Serial_Number_gs = -1; static int hf_sbc_ap_Serial_Number_msg_code = -1; static int hf_sbc_ap_Serial_Number_upd_nb = -1; static int hf_sbc_ap_Warning_Type_value = -1; static int hf_sbc_ap_Warning_Type_emergency_user_alert = -1; static int hf_sbc_ap_Warning_Type_popup = -1; static int hf_sbc_ap_Warning_Message_Contents_nb_pages = -1; static int hf_sbc_ap_Warning_Message_Contents_decoded_page = -1; #include "packet-sbc-ap-hf.c" /* Initialize the subtree pointers */ static int ett_sbc_ap = -1; static int ett_sbc_ap_Serial_Number = -1; static int ett_sbc_ap_Warning_Type = -1; static int ett_sbc_ap_Data_Coding_Scheme = -1; static int ett_sbc_ap_Warning_Message_Contents = -1; #include "packet-sbc-ap-ett.c" enum{ INITIATING_MESSAGE, SUCCESSFUL_OUTCOME, UNSUCCESSFUL_OUTCOME }; struct sbc_ap_private_data { guint8 data_coding_scheme; }; /* Global variables */ static guint32 ProcedureCode; static guint32 ProtocolIE_ID; static guint32 ProtocolExtensionID; static int global_sbc_ap_port = SBC_AP_PORT; /* Dissector tables */ static dissector_table_t sbc_ap_ies_dissector_table; static dissector_table_t sbc_ap_extension_dissector_table; static dissector_table_t sbc_ap_proc_imsg_dissector_table; static dissector_table_t sbc_ap_proc_sout_dissector_table; static dissector_table_t sbc_ap_proc_uout_dissector_table; static int dissect_ProtocolIEFieldValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *); 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 struct sbc_ap_private_data* sbc_ap_get_private_data(packet_info *pinfo) { struct sbc_ap_private_data *sbc_ap_data = (struct sbc_ap_private_data*)p_get_proto_data(pinfo->pool, pinfo, proto_sbc_ap, 0); if (!sbc_ap_data) { sbc_ap_data = wmem_new0(pinfo->pool, struct sbc_ap_private_data); p_add_proto_data(pinfo->pool, pinfo, proto_sbc_ap, 0, sbc_ap_data); } return sbc_ap_data; } #include "packet-sbc-ap-fn.c" static int dissect_ProtocolIEFieldValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) { return (dissector_try_uint(sbc_ap_ies_dissector_table, ProtocolIE_ID, tvb, pinfo, tree)) ? tvb_captured_length(tvb) : 0; } /* Currently not used static int dissect_ProtocolIEFieldPairFirstValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) { return (dissector_try_uint(sbc_ap_ies_p1_dissector_table, ProtocolIE_ID, tvb, pinfo, tree)) ? tvb_captured_length(tvb) : 0; } static int dissect_ProtocolIEFieldPairSecondValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) { return (dissector_try_uint(sbc_ap_ies_p2_dissector_table, ProtocolIE_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_) { return (dissector_try_uint(sbc_ap_extension_dissector_table, ProtocolExtensionID, tvb, pinfo, tree)) ? tvb_captured_length(tvb) : 0; } static int dissect_InitiatingMessageValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) { return (dissector_try_uint(sbc_ap_proc_imsg_dissector_table, ProcedureCode, tvb, pinfo, tree)) ? tvb_captured_length(tvb) : 0; } static int dissect_SuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) { return (dissector_try_uint(sbc_ap_proc_sout_dissector_table, ProcedureCode, tvb, pinfo, tree)) ? tvb_captured_length(tvb) : 0; } static int dissect_UnsuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) { return (dissector_try_uint(sbc_ap_proc_uout_dissector_table, ProcedureCode, tvb, pinfo, tree)) ? tvb_captured_length(tvb) : 0; } static int dissect_sbc_ap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { proto_item *sbc_ap_item = NULL; proto_tree *sbc_ap_tree = NULL; /* make entry in the Protocol column on summary display */ col_set_str(pinfo->cinfo, COL_PROTOCOL, PNAME); /* create the sbc_ap protocol tree */ if (tree) { sbc_ap_item = proto_tree_add_item(tree, proto_sbc_ap, tvb, 0, -1, ENC_NA); sbc_ap_tree = proto_item_add_subtree(sbc_ap_item, ett_sbc_ap); dissect_SBC_AP_PDU_PDU(tvb, pinfo, sbc_ap_tree, NULL); } return tvb_captured_length(tvb); } /*--- proto_register_sbc_ap -------------------------------------------*/ void proto_register_sbc_ap(void) { /* List of fields */ static hf_register_info hf[] = { { &hf_sbc_ap_Serial_Number_gs, { "Geographical Scope", "sbc_ap.SerialNumber.gs", FT_UINT16, BASE_DEC, VALS(s1ap_serialNumber_gs_vals), 0xc000, NULL, HFILL }}, { &hf_sbc_ap_Serial_Number_msg_code, { "Message Code", "sbc_ap.SerialNumber.msg_code", FT_UINT16, BASE_DEC, NULL, 0x3ff0, NULL, HFILL }}, { &hf_sbc_ap_Serial_Number_upd_nb, { "Update Number", "sbc_ap.SerialNumber.upd_nb", FT_UINT16, BASE_DEC, NULL, 0x000f, NULL, HFILL }}, { &hf_sbc_ap_Warning_Type_value, { "Warning Type Value", "sbc-ap.WarningType.value", FT_UINT16, BASE_DEC, VALS(s1ap_warningType_vals), 0xfe00, NULL, HFILL }}, { &hf_sbc_ap_Warning_Type_emergency_user_alert, { "Emergency User Alert", "sbc-ap.WarningType.emergency_user_alert", FT_BOOLEAN, 16, TFS(&tfs_yes_no), 0x0100, NULL, HFILL }}, { &hf_sbc_ap_Warning_Type_popup, { "Popup", "sbc-ap.WarningType.popup", FT_BOOLEAN, 16, TFS(&tfs_yes_no), 0x0080, NULL, HFILL }}, { &hf_sbc_ap_Warning_Message_Contents_nb_pages, { "Number of Pages", "sbc-ap.WarningMessageContents.nb_pages", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_sbc_ap_Warning_Message_Contents_decoded_page, { "Decoded Page", "sbc-ap.WarningMessageContents.decoded_page", FT_STRING, STR_UNICODE, NULL, 0, NULL, HFILL }}, #include "packet-sbc-ap-hfarr.c" }; /* List of subtrees */ static gint *ett[] = { &ett_sbc_ap, &ett_sbc_ap_Serial_Number, &ett_sbc_ap_Warning_Type, &ett_sbc_ap_Data_Coding_Scheme, &ett_sbc_ap_Warning_Message_Contents, #include "packet-sbc-ap-ettarr.c" }; /* Register protocol */ proto_sbc_ap = proto_register_protocol(PNAME, PSNAME, PFNAME); /* Register fields and subtrees */ proto_register_field_array(proto_sbc_ap, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); /* Register dissector tables */ sbc_ap_ies_dissector_table = register_dissector_table("sbc_ap.ies", "SBC-AP-PROTOCOL-IES", proto_sbc_ap, FT_UINT32, BASE_DEC); sbc_ap_extension_dissector_table = register_dissector_table("sbc_ap.extension", "SBC-AP-PROTOCOL-EXTENSION", proto_sbc_ap, FT_UINT32, BASE_DEC); sbc_ap_proc_imsg_dissector_table = register_dissector_table("sbc_ap.proc.imsg", "SBC-AP-ELEMENTARY-PROCEDURE InitiatingMessage", proto_sbc_ap, FT_UINT32, BASE_DEC); sbc_ap_proc_sout_dissector_table = register_dissector_table("sbc_ap.proc.sout", "SBC-AP-ELEMENTARY-PROCEDURE SuccessfulOutcome", proto_sbc_ap, FT_UINT32, BASE_DEC); sbc_ap_proc_uout_dissector_table = register_dissector_table("sbc_ap.proc.uout", "SBC-AP-ELEMENTARY-PROCEDURE UnsuccessfulOutcome", proto_sbc_ap, FT_UINT32, BASE_DEC); } /*--- proto_reg_handoff_sbc_ap ---------------------------------------*/ void proto_reg_handoff_sbc_ap(void) { static gboolean inited = FALSE; static guint SctpPort; if( !inited ) { sbc_ap_handle = create_dissector_handle(dissect_sbc_ap, proto_sbc_ap); dissector_add_uint("sctp.ppi", SBC_AP_PAYLOAD_PROTOCOL_ID, sbc_ap_handle); inited = TRUE; #include "packet-sbc-ap-dis-tab.c" } else { if (SctpPort != 0) { dissector_delete_uint("sctp.port", SctpPort, sbc_ap_handle); } } SctpPort = global_sbc_ap_port; if (SctpPort != 0) { dissector_add_uint("sctp.port", SctpPort, sbc_ap_handle); } } /* * 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: */