/* * packet-h248_q1950.c * Q.1950 annex A * * (c) 2006, Anders Broman * * $Id$ * * 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. * * Ref ITU-T Rec. Q.1950 (12/2002) */ #include "packet-h248.h" #include "packet-isup.h" #define PNAME "H.248 Q.1950 Annex A" #define PSNAME "H248Q1950" #define PFNAME "h248q1950" static int proto_q1950 = -1; /* A.3 Bearer characteristics package */ static int hf_h248_pkg_BCP = -1; static int hf_h248_pkg_BCP_param = -1; static int hf_h248_pkg_BCP_BNCChar = -1; static int ett_h248_pkg_BCP = -1; static gboolean implicit = FALSE; static const value_string h248_pkg_BCP_parameters[] = { { 0x0001, "BNCChar (BNC Characteristics)" }, {0, NULL} }; /* Properties */ h248_pkg_param_t h248_pkg_BCP_props[] = { { 0x0001, &hf_h248_pkg_BCP_BNCChar, h248_param_ber_integer, &implicit }, { 0, NULL, NULL, NULL} }; /* Packet defenitions */ static h248_package_t h248_pkg_BCP = { 0x001e, &hf_h248_pkg_BCP, &hf_h248_pkg_BCP_param, &ett_h248_pkg_BCP, h248_pkg_BCP_props, /* Properties */ NULL, /* signals */ NULL, /* events */ NULL /* statistics */ }; /* A.6 Generic bearer connection package Package Name: GB Package ID: 0x0021 */ /* A.7 Bearer control tunnelling package */ static dissector_handle_t sdp_dissector = NULL; static int hf_h248_pkg_bct = -1; static int hf_h248_pkg_bct_param = -1; static int hf_h248_pkg_bct_tind = -1; static gint ett_h248_pkg_bct = -1; static gint ett_h248_pkg_bct_tind = -1; static void dissect_bct_tind_bit(proto_tree* tree, tvbuff_t* tvb, packet_info* pinfo, int hfid, h248_curr_info_t* i _U_, void* d _U_) { tvbuff_t* sdp_tvb = NULL; gint8 class; gboolean pc; gint32 tag; 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, pinfo, tree, tvb, 0, hfid, &sdp_tvb); if (sdp_tvb) { /* XXX: is it realy sdp? */ call_dissector(sdp_dissector,sdp_tvb,pinfo,tree); } } else { proto_tree_add_item(tree,hfid,tvb,0,-1,FALSE); } } static h248_pkg_param_t h248_pkg_bct_tind[] = { { 0x0001, &hf_h248_pkg_bct_tind, dissect_bct_tind_bit, &implicit }, { 0, NULL, NULL, NULL} }; /* Events */ static h248_pkg_evt_t h248_pkg_bct_events[] = { { 0x0001, &hf_h248_pkg_bct_tind, &ett_h248_pkg_bct_tind, h248_pkg_bct_tind}, { 0, NULL, NULL, NULL} }; /* Packet defenitions */ static h248_package_t h248_pkg_bct = { 0x0022, &hf_h248_pkg_bct, &hf_h248_pkg_bct_param, &ett_h248_pkg_bct, NULL, /* Properties */ NULL, /* signals */ h248_pkg_bct_events, /* events */ NULL /* statistics */ }; /* A.8 Basic call progress tones generator with directionality */ static int hf_h248_pkg_bcg = -1; static int hf_h248_pkg_bcg_param = -1; static int hf_h248_pkg_bcg_sig_bdt_par_btd = -1; static int hf_h248_pkg_bcg_sig_bdt = -1; static int hf_h248_pkg_bcg_sig_brt = -1; static int hf_h248_pkg_bcg_sig_bbt = -1; static int hf_h248_pkg_bcg_sig_bct = -1; static int hf_h248_pkg_bcg_sig_bsit = -1; static int hf_h248_pkg_bcg_sig_bwt = -1; static int hf_h248_pkg_bcg_sig_bpt = -1; static int hf_h248_pkg_bcg_sig_bcw = -1; static int hf_h248_pkg_bcg_sig_bcr = -1; static int hf_h248_pkg_bcg_sig_bpy = -1; static int ett_h248_pkg_bcg = -1; static int ett_h248_pkg_bcg_sig_bdt = -1; static const value_string h248_pkg_bcg_sig_bdt_par_btd_vals[] = { { 0x0001, "ext (External)" }, { 0x0002, "int (Internal)" }, { 0x0003, "both (Both)" }, {0, NULL}, }; static h248_pkg_param_t h248_pkg_h248_pkg_bcg_sig_bdt_params[] = { { 0x0001, &hf_h248_pkg_bcg_sig_bdt_par_btd, h248_param_ber_integer, &implicit }, { 0, NULL, NULL, NULL} }; static h248_pkg_sig_t h248_pkg_bcg_signals[] = { /* All the tones have the same parameters */ { 0x0040, &hf_h248_pkg_bcg_sig_bdt, &ett_h248_pkg_bcg_sig_bdt, h248_pkg_h248_pkg_bcg_sig_bdt_params }, { 0x0041, &hf_h248_pkg_bcg_sig_brt, &ett_h248_pkg_bcg_sig_bdt, h248_pkg_h248_pkg_bcg_sig_bdt_params }, { 0x0042, &hf_h248_pkg_bcg_sig_bbt, &ett_h248_pkg_bcg_sig_bdt, h248_pkg_h248_pkg_bcg_sig_bdt_params }, { 0x0043, &hf_h248_pkg_bcg_sig_bct, &ett_h248_pkg_bcg_sig_bdt, h248_pkg_h248_pkg_bcg_sig_bdt_params }, { 0x0044, &hf_h248_pkg_bcg_sig_bsit, &ett_h248_pkg_bcg_sig_bdt, h248_pkg_h248_pkg_bcg_sig_bdt_params }, { 0x0045, &hf_h248_pkg_bcg_sig_bwt, &ett_h248_pkg_bcg_sig_bdt, h248_pkg_h248_pkg_bcg_sig_bdt_params }, { 0x0046, &hf_h248_pkg_bcg_sig_bpt, &ett_h248_pkg_bcg_sig_bdt, h248_pkg_h248_pkg_bcg_sig_bdt_params }, { 0x0047, &hf_h248_pkg_bcg_sig_bcw, &ett_h248_pkg_bcg_sig_bdt, h248_pkg_h248_pkg_bcg_sig_bdt_params }, { 0x0048, &hf_h248_pkg_bcg_sig_bcr, &ett_h248_pkg_bcg_sig_bdt, h248_pkg_h248_pkg_bcg_sig_bdt_params }, { 0x0049, &hf_h248_pkg_bcg_sig_bpy, &ett_h248_pkg_bcg_sig_bdt, h248_pkg_h248_pkg_bcg_sig_bdt_params }, { 0, NULL, NULL, NULL} }; /* Packet defenitions */ static h248_package_t h248_pkg_bcg = { 0x0023, &hf_h248_pkg_bcg, &hf_h248_pkg_bcg_param, &ett_h248_pkg_bcg, NULL, /* Properties */ h248_pkg_bcg_signals, /* signals */ NULL, /* events */ NULL /* statistics */ }; /* Register dissector */ void proto_register_q1950(void) { static hf_register_info hf[] = { /* A.3 Bearer characteristics package */ { &hf_h248_pkg_BCP, { "BCP (Bearer characteristics package)", "h248.pkg.BCP", FT_BYTES, BASE_HEX, NULL, 0, "", HFILL } }, { &hf_h248_pkg_BCP_param, { "Parameter", "h248.package_bcp.parameter", FT_UINT16, BASE_HEX, VALS(h248_pkg_BCP_parameters), 0, "Parameter", HFILL } }, { &hf_h248_pkg_BCP_BNCChar, { "BNCChar (BNC Characteristics)", "h248.pkg.bcp.bncchar", FT_UINT32, BASE_HEX, VALS(bearer_network_connection_characteristics_vals), 0, "BNC Characteristics", HFILL } }, /* A.8 Basic call progress tones generator with directionality */ { &hf_h248_pkg_bcg, { "bcg (Basic call progress tones generator with directionality)", "h248.pkg.bcg", FT_BYTES, BASE_HEX, NULL, 0, "", HFILL } }, { &hf_h248_pkg_bcg_sig_bdt_par_btd, { "btd (Tone Direction)", "h248.pkg.bcp.btd", FT_UINT32, BASE_HEX, VALS(h248_pkg_bcg_sig_bdt_par_btd_vals), 0, "btd (Tone Direction)", HFILL } }, { &hf_h248_pkg_bcg_sig_bdt, { "bdt (Dial Tone)", "h248.pkg.bcg.bdt", FT_UINT8, BASE_HEX, NULL, 0, "", HFILL } }, { &hf_h248_pkg_bcg_sig_brt, { "brt (Ringing tone)", "h248.pkg.bcg.brt", FT_UINT8, BASE_HEX, NULL, 0, "", HFILL } }, { &hf_h248_pkg_bcg_sig_bbt, { "bbt (Busy tone)", "h248.pkg.bcg.bbt", FT_UINT8, BASE_HEX, NULL, 0, "", HFILL } }, { &hf_h248_pkg_bcg_sig_bct, { "bct (Congestion tone)", "h248.pkg.bcg.bct", FT_UINT8, BASE_HEX, NULL, 0, "", HFILL } }, { &hf_h248_pkg_bcg_sig_bsit, { "bsit (Special information tone)", "h248.pkg.bcg.bsit", FT_UINT8, BASE_HEX, NULL, 0, "", HFILL } }, { &hf_h248_pkg_bcg_sig_bwt, { "bwt (Warning tone)", "h248.pkg.bcg.bwt", FT_UINT8, BASE_HEX, NULL, 0, "", HFILL } }, { &hf_h248_pkg_bcg_sig_bpt, { "bpt (Payphone recognition tone)", "h248.pkg.bcg.bpt", FT_UINT8, BASE_HEX, NULL, 0, "", HFILL } }, { &hf_h248_pkg_bcg_sig_bcw, { "bcw (Call waiting tone)", "h248.pkg.bcg.bcw", FT_UINT8, BASE_HEX, NULL, 0, "", HFILL } }, { &hf_h248_pkg_bcg_sig_bpy, { "bpy (Pay tone)", "h248.pkg.bcg.bpy", FT_UINT8, BASE_HEX, NULL, 0, "", HFILL } }, { &ett_h248_pkg_bct, { "BCT (Bearer Control Tunneling)", "h248.pkg.bct", FT_BYTES, BASE_HEX, NULL, 0, "", HFILL } }, { &hf_h248_pkg_bct_tind, { "tind (Tunnel INDication)", "h248.pkg.bct.tind", FT_BYTES, BASE_HEX, NULL, 0, "", HFILL } }, }; static gint *ett[] = { &ett_h248_pkg_BCP, &ett_h248_pkg_bct, &ett_h248_pkg_bct_tind }; proto_q1950 = proto_register_protocol(PNAME, PSNAME, PFNAME); proto_register_field_array(proto_q1950, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); /* Register the packages */ h248_register_package(&h248_pkg_BCP); h248_register_package(&h248_pkg_bcg); h248_register_package(&h248_pkg_bct); } void proto_reg_handoff_q1950(void) { sdp_dissector = find_dissector("sdp"); }