/* * packet-h248_3gpp.c * 3GPP H.248 Packages * * (c) 2006, Luis E. Garcia Ontanon * * $Id$ * * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include "packet-h248.h" #define PNAME "H.248 3GPP" #define PSNAME "H2483GPP" #define PFNAME "h2483gpp" #include "packet-isup.h" /* * 3GUP Package * 3GPP TS 29.232 -- 15.1.1 */ static int hf_h248_package_3GUP = -1; static int hf_h248_package_3GUP_Mode = -1; static int hf_h248_package_3GUP_UPversions = -1; static int hf_h248_package_3GUP_delerrsdu = -1; static int hf_h248_package_3GUP_interface = -1; static int hf_h248_package_3GUP_initdir = -1; static gint ett_h248_package_3GUP = -1; static gboolean implicit = FALSE; static const value_string h248_3GUP_properties_vals[] = { { 0x0001, "Mode" }, { 0x0002, "Versions" }, { 0x0003, "delerrsdu" }, { 0x0004, "interface" }, { 0x0005, "initdir" }, {0, NULL} }; static const value_string h248_3GUP_Mode_vals[] = { { 0x00000001, "Transparent mode" }, { 0x00000002, "Support mode for predefined SDU sizes" }, {0, NULL} }; static const value_string h248_3GUP_upversions_vals[] = { { 0x01, "Version 1" }, { 0x02, "Version 2" }, { 0x03, "Version 3" }, { 0x04, "Version 4" }, { 0x05, "Version 5" }, { 0x06, "Version 6" }, { 0x07, "Version 7" }, { 0x08, "Version 8" }, { 0x09, "Version 9" }, { 0x0A, "Version 10" }, { 0x0B, "Version 11" }, { 0x0C, "Version 12" }, { 0x0D, "Version 13" }, { 0x0E, "Version 14" }, { 0x0F, "Version 15" }, { 0x10, "Version 16" }, {0, NULL} }; static const value_string h248_3GUP_delerrsdu_vals[] = { { 0x0001, "Yes" }, { 0x0002, "No" }, { 0x0003, "Not Applicable" }, {0, NULL} }; static const value_string h248_3GUP_interface_vals[] = { { 0x0001, "RAN (Iu interface)" }, { 0x0002, "CN (Nb interface)" }, {0, NULL} }; static const value_string h248_3GUP_initdir_vals[] = { { 0x0001, "Incoming" }, { 0x0002, "Outgoing" }, {0, NULL} }; static const value_string h248_3GUP_parameters[] _U_ = { { 0x0001, "Mode" }, { 0x0002, "UPversions" }, { 0x0003, "Delivery of erroneous SDUs" }, { 0x0004, "Interface" }, { 0x0005, "Initialisation Direction" }, {0, NULL} }; static const h248_pkg_param_t h248_package_3GUP_properties[] = { { 0x0001, &hf_h248_package_3GUP_Mode, h248_param_ber_integer, &implicit }, { 0x0002, &hf_h248_package_3GUP_UPversions, h248_param_ber_integer, &implicit }, { 0x0003, &hf_h248_package_3GUP_delerrsdu, h248_param_ber_integer, &implicit }, { 0x0004, &hf_h248_package_3GUP_interface, h248_param_ber_integer, &implicit }, { 0x0005, &hf_h248_package_3GUP_initdir, h248_param_ber_integer, &implicit }, { 0x0000, NULL, NULL, NULL } }; static const h248_package_t h248_package_3GUP = { 0x002f, &hf_h248_package_3GUP, &ett_h248_package_3GUP, h248_3GUP_properties_vals, NULL, NULL, NULL, h248_package_3GUP_properties, NULL, NULL, NULL }; /* * Circuit Switched Data package * 3GPP TS 29.232 -- 15.2.1 */ static int hf_h248_package_3GCSD = -1; static int hf_h248_package_3GCSD_plmnbc = -1; static int hf_h248_package_3GCSD_gsmchancod = -1; static int hf_h248_pkg_3GCSD_evt_protres = -1; static int hf_h248_pkg_3GCSD_evt_protres_result = -1; static int hf_h248_pkg_3GCSD_evt_protres_cause = -1; static int hf_h248_pkg_3GCSD_evt_ratechg = -1; static int hf_h248_pkg_3GCSD_evt_ratechg_rate = -1; static int hf_h248_pkg_3GCSD_sig_actprot = -1; static int hf_h248_pkg_3GCSD_actprot_sig_localpeer = -1; static gint ett_h248_package_3GCSD = -1; static gint ett_h248_3GCSD_evt_protres = -1; static gint ett_h248_3GCSD_evt_ratechg = -1; static gint ett_pkg_3GCSD_sig_actprot = -1; static const value_string h248_3GCSD_properties_vals[] = { { 0x0001, "plmnbc"}, { 0x0002, "gsmchancod"}, {0, NULL} }; static const value_string h248_3GCSD_signals_vals[] _U_ = { { 0x0001, "actprot" }, {0, NULL} }; static const value_string h248_3GCSD_signal_actprot_vals[] = { { 0x0001, "localpeer" }, {0, NULL} }; static const value_string h248_3GCSD_events_vals[] _U_ = { { 0x0001, "protres"}, { 0x0002, "ratechg"}, {0, NULL} }; static const value_string h248_3GCSD_event_protres_vals[] = { { 0x0001, "result"}, { 0x0002, "cause"}, {0, NULL} }; static const value_string h248_3GCSD_event_ratechg_vals[] = { { 0x0001, "rate"}, {0, NULL} }; static const value_string h248_3GCSD_evt_protres_result_vals[] = { {1,"Success"}, {0,"Failure"}, {0,NULL} }; static const value_string h248_3GCSD_evt_protres_cause_vals[] = { {1,"Unsp"}, {2,"V8V34"}, {0,NULL} }; static const value_string h248_3GCSD_actprot_sig_localpeer_vals[] = { {0,"Orig"}, {1,"Term"}, {0,NULL} }; static const h248_pkg_param_t h248_package_3GCSD_props[] = { { 0x0001, &hf_h248_package_3GCSD_plmnbc, h248_param_ber_octetstring, &implicit}, { 0x0002, &hf_h248_package_3GCSD_gsmchancod, h248_param_ber_octetstring, &implicit }, { 0x0000, NULL, NULL, NULL } }; static const h248_pkg_param_t h248_pkg_3GCSD_evt_protres_params[] = { { 0x0001, &hf_h248_pkg_3GCSD_evt_protres_result, h248_param_ber_integer, &implicit }, { 0x0002, &hf_h248_pkg_3GCSD_evt_protres_cause, h248_param_ber_integer, &implicit }, { 0, NULL, NULL, NULL} }; static const h248_pkg_param_t h248_pkg_3GCSD_evt_ratechg_params[] = { { 0x0001, &hf_h248_pkg_3GCSD_evt_ratechg_rate, h248_param_ber_integer, &implicit }, { 0, NULL, NULL, NULL} }; static const h248_pkg_evt_t h248_package_3GCSD_evts[] = { { 0x0001, &hf_h248_pkg_3GCSD_evt_protres, &ett_h248_3GCSD_evt_protres, h248_pkg_3GCSD_evt_protres_params, h248_3GCSD_event_protres_vals}, { 0x0002, &hf_h248_pkg_3GCSD_evt_ratechg, &ett_h248_3GCSD_evt_ratechg, h248_pkg_3GCSD_evt_ratechg_params, h248_3GCSD_event_ratechg_vals}, { 0, NULL, NULL, NULL,NULL} }; static const h248_pkg_param_t h248_pkg_3GCSD_actprot_sig_params[] = { { 0x0001, &hf_h248_pkg_3GCSD_actprot_sig_localpeer, h248_param_ber_integer, &implicit }, { 0, NULL, NULL, NULL} }; static const h248_pkg_sig_t h248_package_3GCSD_sigs[] = { { 0x0010, &hf_h248_pkg_3GCSD_sig_actprot, &ett_pkg_3GCSD_sig_actprot, h248_pkg_3GCSD_actprot_sig_params, h248_3GCSD_signal_actprot_vals }, { 0, NULL, NULL, NULL,NULL} }; static const h248_package_t h248_package_3GCSD = { 0x0030, &hf_h248_package_3GCSD, &ett_h248_package_3GCSD, h248_3GCSD_properties_vals, NULL, NULL, NULL, h248_package_3GCSD_props, h248_package_3GCSD_sigs, h248_package_3GCSD_evts, NULL }; /* * TFO package * 3GPP TS 29.232 -- 15.2.2 */ static int hf_h248_package_3GTFO = -1; static int hf_h248_pkg_3GTFO_evt_codec_modify = -1; static int hf_h248_pkg_3GTFO_evt_distant_codec_list = -1; static int hf_h248_pkg_3GTFO_evt_status = -1; static int hf_h248_pkg_3GTFO_enable = -1; static int hf_h248_pkg_3GTFO_codeclist = -1; static int hf_h248_pkg_3GTFO_evt_codec_modify_optimalcodec = -1; static int hf_h248_pkg_3GTFO_evt_distant_codec_list_distlist = -1; static int hf_h248_pkg_3GTFO_evt_status_tfostatus = -1; static gint ett_h248_package_3GTFO = -1; static gint ett_h248_3GTFO_evt_status = -1; static gint ett_h248_3GTFO_evt_distant_codec_list = -1; static gint ett_h248_3GTFO_evt_codec_modify = -1; static gint ett_h248_3GTFO_codec_list = -1; static gint ett_h248_3GTFO_codec = -1; static void dissect_3GTFO_codec_mode(proto_tree* tree, tvbuff_t* tvb, packet_info* pinfo, int hfid, h248_curr_info_t* cu _U_, void* ignored _U_) { tvbuff_t* sub_tvb = NULL; gint8 class; gboolean pc; gint32 tag; asn1_ctx_t asn1_ctx; asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo); get_ber_identifier(tvb, 0, &class, &pc, &tag); /* XXX: is this enough to guess it? */ if ((tag==BER_UNI_TAG_OCTETSTRING)) { dissect_ber_octet_string(FALSE, &asn1_ctx, tree, tvb, 0, hfid, &sub_tvb ); if (sub_tvb) { proto_tree* pt = proto_item_add_subtree(asn1_ctx.created_item, ett_h248_3GTFO_codec); dissect_codec_mode(pt, sub_tvb, 0, tvb_length(tvb)); } } else { proto_tree_add_item(tree,hfid,tvb,0,-1,FALSE); } } static void dissect_3GTFO_codec_list(proto_tree* tree, tvbuff_t* tvb, packet_info* pinfo, int hfid, h248_curr_info_t* cu _U_, void* ignored _U_) { tvbuff_t* sub_tvb = NULL; gint8 class; gboolean pc; gint32 tag; asn1_ctx_t asn1_ctx; asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo); get_ber_identifier(tvb, 0, &class, &pc, &tag); if ((tag==BER_UNI_TAG_OCTETSTRING)) { dissect_ber_octet_string(FALSE, &asn1_ctx, tree, tvb, 0, hfid, &sub_tvb ); if (sub_tvb) { proto_tree* pt = proto_item_add_subtree(asn1_ctx.created_item,ett_h248_3GTFO_codec_list); int len = tvb_length(sub_tvb); int offset = 0; do { offset = dissect_codec_mode(pt, sub_tvb, offset, len); } while(offset < len); } } else { proto_tree_add_item(tree,hfid,tvb,0,-1,FALSE); } } static const value_string h248_package_3GTFO_props_vals[] = { {1,"enable"}, {2,"codeclist"}, {0,NULL} }; static const value_string h248_pkg_3GTFO_evt_codec_modify_params_vals[] = { {11,"optimalcodec"}, {0,NULL} }; static const value_string h248_pkg_3GTFO_evt_distant_codec_list_params_vals[] = { {13,"distlist"}, {0,NULL} }; static const value_string h248_pkg_3GTFO_evt_status_params_vals[] = { {1,"tfostatus"}, {0,NULL} }; static const value_string h248_package_3GTFO_evts_vals[] = { {10,"codec_modify"}, {12,"distant_codec_list"}, {14,"status"}, {0,NULL} }; static const value_string tfoenable_vals[] = { {1,"On"}, {2,"Off"}, {0,NULL} }; static const h248_pkg_param_t h248_package_3GTFO_props[] = { { 0x0001, &hf_h248_pkg_3GTFO_enable, h248_param_ber_integer, &implicit }, { 0x0002, &hf_h248_pkg_3GTFO_codeclist, dissect_3GTFO_codec_list, NULL }, /* Sub-list of Octet string Q.765.5 + TS 26.103 .*/ { 0, NULL, NULL, NULL} }; static const h248_pkg_param_t h248_pkg_3GTFO_evt_codec_modify_params[] = { { 0x0011, &hf_h248_pkg_3GTFO_evt_codec_modify_optimalcodec, dissect_3GTFO_codec_mode, NULL }, /* Q.765.5 + TS 26.103 .*/ { 0, NULL, NULL, NULL} }; static const h248_pkg_param_t h248_pkg_3GTFO_evt_distant_codec_list_params[] = { { 0x0013, &hf_h248_pkg_3GTFO_evt_distant_codec_list_distlist, dissect_3GTFO_codec_list, NULL }, /* Sub-list of Octet string Q.765.5 + TS 26.103 .*/ { 0, NULL, NULL, NULL} }; static const h248_pkg_param_t h248_pkg_3GTFO_evt_status_params[] = { { 0x0001, &hf_h248_pkg_3GTFO_evt_status_tfostatus, h248_param_ber_boolean, &implicit }, { 0, NULL, NULL, NULL} }; static const h248_pkg_evt_t h248_package_3GTFO_evts[] = { { 0x0010, &hf_h248_pkg_3GTFO_evt_codec_modify, &ett_h248_3GTFO_evt_codec_modify, h248_pkg_3GTFO_evt_codec_modify_params, h248_pkg_3GTFO_evt_codec_modify_params_vals}, { 0x0012, &hf_h248_pkg_3GTFO_evt_distant_codec_list, &ett_h248_3GTFO_evt_distant_codec_list, h248_pkg_3GTFO_evt_distant_codec_list_params, h248_pkg_3GTFO_evt_distant_codec_list_params_vals}, { 0x0014, &hf_h248_pkg_3GTFO_evt_status, &ett_h248_3GTFO_evt_status, h248_pkg_3GTFO_evt_status_params, h248_pkg_3GTFO_evt_status_params_vals}, { 0, NULL, NULL, NULL,NULL} }; static const h248_package_t h248_package_3GTFO = { 0x0031, &hf_h248_package_3GTFO, &ett_h248_package_3GTFO, h248_package_3GTFO_props_vals, NULL, h248_package_3GTFO_evts_vals, NULL, h248_package_3GTFO_props, NULL, h248_package_3GTFO_evts, NULL}; /* * 3G Expanded Call Progress Tones Generator Package * 3GPP TS 29.232 -- 15.2.3 */ /* * Modification Of Link Characteristics Bearer Capability * 3GPP TS 29.232 -- 15.2.4 */ /* * Enhanced Circuit Switched Data package * 3GPP TS 29.232 -- 15.2.5 */ /* * Cellular Text telephone Modem Text Transport * 3GPP TS 29.232 -- 15.2.6 */ /* * IP transport package * 3GPP TS 29.232 -- 15.2.7 */ /* * Flexible Tone Generator Package * 3GPP TS 29.232 -- 15.2.8 */ /* * Trace Package * 3GPP TS 29.232 -- 15.2.9 */ /* * ASCI Group call package * 3GPP TS 29.232 -- 15.2.10 */ void proto_register_h248_3gpp(void) { static hf_register_info hf[] = { { &hf_h248_package_3GUP_Mode, { "Mode", "h248.package_3GUP.Mode", FT_UINT32, BASE_DEC, VALS(h248_3GUP_Mode_vals), 0, NULL, HFILL }}, { &hf_h248_package_3GUP_UPversions, { "UPversions", "h248.package_3GUP.upversions", FT_UINT32, BASE_DEC, VALS(h248_3GUP_upversions_vals), 0, NULL, HFILL }}, { &hf_h248_package_3GUP_delerrsdu, { "Delivery of erroneous SDUs", "h248.package_3GUP.delerrsdu", FT_UINT32, BASE_DEC, VALS(h248_3GUP_delerrsdu_vals), 0, NULL, HFILL }}, { &hf_h248_package_3GUP_interface, { "Interface", "h248.package_3GUP.interface", FT_UINT32, BASE_DEC, VALS(h248_3GUP_interface_vals), 0, NULL, HFILL }}, { &hf_h248_package_3GUP_initdir, { "Initialisation Direction", "h248.package_3GUP.initdir", FT_UINT32, BASE_DEC, VALS(h248_3GUP_initdir_vals), 0, NULL, HFILL }}, { &hf_h248_package_3GCSD, { "CSD Package", "h248.package_3GCSD", FT_BYTES, BASE_NONE, NULL, 0, "Circuit Switched Data Package", HFILL }}, { &hf_h248_package_3GCSD_plmnbc, { "PLMN Bearer Capability", "h248.package_3GCSD.plmnbc", FT_BYTES, BASE_NONE, NULL, 0, "The PLMN Bearer Capability", HFILL }}, { &hf_h248_package_3GCSD_gsmchancod, { "GSM channel coding", "h248.package_3GCSD.gsmchancod", FT_BYTES, BASE_NONE, NULL, 0, "Channel information needed for GSM", HFILL }}, { &hf_h248_pkg_3GCSD_evt_protres, { "Protocol Negotiation Result", "h248.package_3GCSD.protres", FT_BYTES, BASE_NONE, NULL, 0, "This event is used to report the result of the protocol negotiation", HFILL }}, { &hf_h248_pkg_3GCSD_evt_protres_result, { "Negotiation Result", "h248.package_3GCSD.protres.result", FT_UINT32, BASE_DEC, VALS(h248_3GCSD_evt_protres_result_vals), 0, "reports whether the protocol negotiation has been successful", HFILL }}, { &hf_h248_pkg_3GCSD_evt_protres_cause, { "Possible Failure Cause", "h248.package_3GCSD.protres.cause", FT_UINT32, BASE_DEC, VALS(h248_3GCSD_evt_protres_cause_vals), 0, "indicates the possible failure cause", HFILL }}, { &hf_h248_pkg_3GCSD_evt_ratechg, { "Rate Change", "h248.package_3GCSD.ratechg", FT_BYTES, BASE_NONE, NULL, 0, "This event is used to report a rate change", HFILL }}, { &hf_h248_pkg_3GCSD_evt_ratechg_rate, { "New Rate", "h248.package_3GCSD.ratechg.rate", FT_UINT32, BASE_DEC, NULL, 0, "reports the new rate for the termination", HFILL }}, { &hf_h248_pkg_3GCSD_sig_actprot, { "Activate Protocol", "h248.package_3GCSD.actprot", FT_BYTES, BASE_NONE, NULL, 0, "Activate the higher layer protocol", HFILL }}, { &hf_h248_pkg_3GCSD_actprot_sig_localpeer, { "Local Peer Role", "h248.package_3GCSD.actprot.localpeer", FT_UINT32, BASE_DEC, VALS(h248_3GCSD_actprot_sig_localpeer_vals), 0, "It is used to inform the modem whether it should act as originating or terminating peer", HFILL }}, { &hf_h248_package_3GTFO, { "Tandem Free Operation", "h248.package_3GTFO", FT_BYTES, BASE_NONE, NULL, 0, "This package defines events and properties for Tandem Free Operation (TFO) control", HFILL }}, { &hf_h248_pkg_3GTFO_enable, { "TFO Activity Control", "h248.package_3GTFO.tfoenable", FT_UINT32, BASE_DEC, VALS(tfoenable_vals), 0, "Defines if TFO is enabled or not", HFILL }}, { &hf_h248_pkg_3GTFO_codeclist, { "TFO Codec List", "h248.package_3GTFO.codeclist", FT_BYTES, BASE_NONE, NULL, 0, "List of codecs for use in TFO protocol", HFILL }}, { &hf_h248_pkg_3GTFO_evt_codec_modify, { "Optimal Codec Event", "h248.package_3GTFO.codec_modify", FT_BYTES, BASE_NONE, NULL, 0, "The event is used to notify the MGC that TFO negotiation has resulted in an optimal codec type being proposed", HFILL }}, { &hf_h248_pkg_3GTFO_evt_codec_modify_optimalcodec, { "Optimal Codec Type", "h248.package_3GTFO.codec_modify.optimalcodec", FT_BYTES, BASE_NONE, NULL, 0, "indicates which is the proposed codec type for TFO", HFILL }}, { &hf_h248_pkg_3GTFO_evt_distant_codec_list, { "Codec List Event", "h248.package_3GTFO.distant_codec_list", FT_BYTES, BASE_NONE, NULL, 0, "The event is used to notify the MGC of the distant TFO partner's supported codec list", HFILL }}, { &hf_h248_pkg_3GTFO_evt_distant_codec_list_distlist, { "Distant Codec List", "h248.package_3GTFO.distant_codec_list.distlist", FT_BYTES, BASE_NONE, NULL, 0, "indicates the codec list for TFO", HFILL }}, { &hf_h248_pkg_3GTFO_evt_status, { "TFO Status Event", "h248.package_3GTFO.status", FT_BYTES, BASE_NONE, NULL, 0, "The event is used to notify the MGC that a TFO link has been established or broken", HFILL }}, { &hf_h248_pkg_3GTFO_evt_status_tfostatus, { "TFO Status", "h248.package_3GTFO.status.tfostatus", FT_BOOLEAN, BASE_NONE, NULL, 0x0, "reports whether TFO has been established or broken", HFILL }}, }; static gint *ett[] = { &ett_h248_package_3GUP, &ett_h248_package_3GCSD, &ett_h248_3GCSD_evt_protres, &ett_h248_3GCSD_evt_ratechg, &ett_h248_package_3GTFO, &ett_h248_3GTFO_evt_status, &ett_h248_3GTFO_evt_distant_codec_list, &ett_h248_3GTFO_evt_codec_modify, &ett_h248_3GTFO_codec_list, &ett_h248_3GTFO_codec }; hf_h248_package_3GUP = proto_register_protocol(PNAME, PSNAME, PFNAME); proto_register_field_array(hf_h248_package_3GUP, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); h248_register_package(&h248_package_3GUP); h248_register_package(&h248_package_3GCSD); h248_register_package(&h248_package_3GTFO); }