593 lines
23 KiB
C
593 lines
23 KiB
C
/* packet-dvb-ait.c
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* Routines for DVB Application Information Table (AIT) dissection
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* Copyright 2012-2013, Martin Kaiser <martin@kaiser.cx>
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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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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/* This dissector processes a DVB Application Information Table (AIT) as
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* defined in ETSI TS 102 809. */
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#include "config.h"
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#include <epan/packet.h>
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#include "packet-mpeg-sect.h"
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#include "packet-mpeg-descriptor.h"
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void proto_register_dvb_ait(void);
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void proto_reg_handoff_dvb_ait(void);
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static int proto_dvb_ait = -1;
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static gint ett_dvb_ait = -1;
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static gint ett_dvb_ait_descr = -1;
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static gint ett_dvb_ait_app = -1;
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static int hf_dvb_ait_test_app_flag = -1;
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static int hf_dvb_ait_app_type = -1;
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static int hf_dvb_ait_version_number = -1;
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static int hf_dvb_ait_current_next_indicator = -1;
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static int hf_dvb_ait_section_number = -1;
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static int hf_dvb_ait_last_section_number = -1;
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static int hf_dvb_ait_descr_loop_len = -1;
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static int hf_dvb_ait_descr_tag = -1;
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static int hf_dvb_ait_descr_len = -1;
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static int hf_dvb_ait_descr_data = -1;
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static int hf_dvb_ait_descr_app_prof_len = -1;
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static int hf_dvb_ait_descr_app_prof = -1;
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static int hf_dvb_ait_descr_app_ver = -1;
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static int hf_dvb_ait_descr_app_svc_bound = -1;
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static int hf_dvb_ait_descr_app_vis = -1;
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static int hf_dvb_ait_descr_app_prio = -1;
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static int hf_dvb_ait_descr_app_trpt_proto_label = -1;
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static int hf_dvb_ait_descr_app_name_lang = -1;
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static int hf_dvb_ait_descr_app_name_name = -1;
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static int hf_dvb_ait_descr_trpt_proto_id = -1;
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static int hf_dvb_ait_descr_trpt_proto_label = -1;
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static int hf_dvb_ait_descr_trpt_sel_remote = -1;
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static int hf_dvb_ait_descr_trpt_sel_onid = -1;
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static int hf_dvb_ait_descr_trpt_sel_tsid = -1;
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static int hf_dvb_ait_descr_trpt_sel_svcid = -1;
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static int hf_dvb_ait_descr_trpt_sel_comp = -1;
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static int hf_dvb_ait_descr_trpt_sel_url_base = -1;
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static int hf_dvb_ait_descr_trpt_sel_url_ext_cnt = -1;
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static int hf_dvb_ait_descr_trpt_sel_url_ext = -1;
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static int hf_dvb_ait_descr_trpt_sel_bytes = -1;
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static int hf_dvb_ait_descr_sal_init_path = -1;
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static int hf_dvb_ait_app_loop_len = -1;
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static int hf_dvb_ait_org_id = -1;
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static int hf_dvb_ait_app_id = -1;
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static int hf_dvb_ait_app_ctrl_code = -1;
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static const value_string app_ctrl_code[] = {
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{ 0x01, "Autostart" },
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{ 0x02, "Present" },
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{ 0x03, "Destroy" },
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{ 0x04, "Kill" },
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{ 0x05, "Prefetch" },
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{ 0x06, "Remote" },
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{ 0x07, "Disabled" },
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{ 0x08, "Playback autostart" },
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{ 0, NULL }
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};
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/* tags of the descriptors defined in ETSI TS 102 809
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some of these tags are conflicting with MPEG2 or DVB-SI definitions,
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therefore these descriptors aren't supported by packet-mpeg-descriptor.c */
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#define AIT_DESCR_APP 0x00
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#define AIT_DESCR_APP_NAME 0x01
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#define AIT_DESCR_TRPT_PROTO 0x02
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#define AIT_DESCR_EXT_APP_AUTH 0x05
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#define AIT_DESCR_APP_REC 0x06
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#define AIT_DESCR_APP_ICO 0x0B
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#define AIT_DESCR_APP_STOR 0x10
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#define AIT_DESCR_GRA_CONST 0x14
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#define AIT_DESCR_SIM_APP_LOC 0x15
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#define AIT_DESCR_SIM_APP_BND 0x17
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#define AIT_DESCR_APP_SIG 0x6F
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static const value_string ait_descr_tag[] = {
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{ AIT_DESCR_APP, "Application descriptor" },
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{ AIT_DESCR_APP_NAME, "Application name descriptor" },
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{ AIT_DESCR_TRPT_PROTO, "Transport protocol descriptor" },
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{ AIT_DESCR_EXT_APP_AUTH, "External application authorization descriptor" },
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{ AIT_DESCR_APP_REC, "Application recording descriptor" },
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{ AIT_DESCR_APP_ICO, "Application icons descriptor" },
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{ AIT_DESCR_APP_STOR, "Application storage descriptor" },
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{ AIT_DESCR_GRA_CONST, "Graphics constraints descriptor" },
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{ AIT_DESCR_SIM_APP_LOC, "Simple application location descriptor" },
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{ AIT_DESCR_SIM_APP_BND, "Simple application boundary descriptor" },
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{ AIT_DESCR_APP_SIG, "Application signalling descriptor" },
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{ 0, NULL }
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};
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#define TRPT_OBJ_CAROUSEL 0x0001
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#define TRPT_HTTP 0x0003
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static const value_string trpt_proto_id[] = {
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{ TRPT_OBJ_CAROUSEL, "Object Carousel" },
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{ TRPT_HTTP, "Transport via HTTP" },
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{ 0, NULL }
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};
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static const value_string app_vis[] = {
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{ 0x0, "not visible" },
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{ 0x1, "not visible to users, only to applications" },
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{ 0x3, "fully visible" },
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{ 0, NULL }
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};
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/* dissect the body of an application_descriptor
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offset points to the start of the body,
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i.e. to the first byte after the length field */
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static gint
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dissect_dvb_ait_app_desc_body(tvbuff_t *tvb, guint offset,
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guint8 body_len, packet_info *pinfo _U_, proto_tree *tree)
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{
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guint offset_start, offset_app_prof_start;
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guint8 app_prof_len;
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guint8 ver_maj, ver_min, ver_mic;
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offset_start = offset;
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app_prof_len = tvb_get_guint8(tvb, offset);
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proto_tree_add_item(tree, hf_dvb_ait_descr_app_prof_len,
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tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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offset_app_prof_start = offset;
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while (offset-offset_app_prof_start < app_prof_len) {
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proto_tree_add_item(tree, hf_dvb_ait_descr_app_prof,
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tvb, offset, 2, ENC_BIG_ENDIAN);
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offset += 2;
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ver_maj = tvb_get_guint8(tvb, offset);
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ver_min = tvb_get_guint8(tvb, offset+1);
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ver_mic = tvb_get_guint8(tvb, offset+2);
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proto_tree_add_uint_format(tree, hf_dvb_ait_descr_app_ver,
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tvb, offset, 3, ver_maj<<16|ver_min<<8|ver_mic,
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"Version %d.%d.%d", ver_maj, ver_min, ver_mic);
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offset += 3;
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}
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proto_tree_add_item(tree, hf_dvb_ait_descr_app_svc_bound,
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tvb, offset, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item(tree, hf_dvb_ait_descr_app_vis,
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tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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proto_tree_add_item(tree, hf_dvb_ait_descr_app_prio,
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tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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while (offset-offset_start < body_len) {
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proto_tree_add_item(tree, hf_dvb_ait_descr_app_trpt_proto_label,
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tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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}
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return (gint)(offset-offset_start);
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}
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static gint
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dissect_dvb_ait_app_name_desc_body(tvbuff_t *tvb, guint offset,
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guint8 body_len, packet_info *pinfo _U_, proto_tree *tree)
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{
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guint offset_start;
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guint8 len;
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offset_start = offset;
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while (offset-offset_start < body_len) {
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proto_tree_add_item(tree, hf_dvb_ait_descr_app_name_lang,
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tvb, offset, 3, ENC_ASCII|ENC_NA);
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offset += 3;
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len = tvb_get_guint8(tvb, offset);
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/* FT_UINT_STRING with 1 leading len byte */
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proto_tree_add_item(tree, hf_dvb_ait_descr_app_name_name,
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tvb, offset, 1, ENC_ASCII|ENC_BIG_ENDIAN);
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offset += 1+len;
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}
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return (gint)(offset-offset_start);
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}
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static gint
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dissect_dvb_ait_trpt_proto_desc_body(tvbuff_t *tvb, guint offset,
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guint8 body_len, packet_info *pinfo _U_, proto_tree *tree)
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{
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guint offset_start;
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guint16 proto_id;
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gboolean remote_connection;
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offset_start = offset;
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proto_id = tvb_get_ntohs(tvb, offset);
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proto_tree_add_item(tree, hf_dvb_ait_descr_trpt_proto_id,
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tvb, offset, 2, ENC_BIG_ENDIAN);
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offset += 2;
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proto_tree_add_item(tree, hf_dvb_ait_descr_trpt_proto_label,
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tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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if (offset-offset_start < body_len) {
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if (proto_id == TRPT_OBJ_CAROUSEL) {
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remote_connection = ((tvb_get_guint8(tvb, offset) & 0x80) == 0x80);
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proto_tree_add_item(tree, hf_dvb_ait_descr_trpt_sel_remote,
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tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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if (remote_connection) {
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proto_tree_add_item(tree, hf_dvb_ait_descr_trpt_sel_onid,
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tvb, offset, 2, ENC_BIG_ENDIAN);
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offset += 2;
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proto_tree_add_item(tree, hf_dvb_ait_descr_trpt_sel_tsid,
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tvb, offset, 2, ENC_BIG_ENDIAN);
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offset += 2;
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proto_tree_add_item(tree, hf_dvb_ait_descr_trpt_sel_svcid,
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tvb, offset, 2, ENC_BIG_ENDIAN);
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offset += 2;
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}
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proto_tree_add_item(tree, hf_dvb_ait_descr_trpt_sel_comp,
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tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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}
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else if (proto_id == TRPT_HTTP) {
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guint8 url_base_len, url_ext_cnt, url_ext_len, i;
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url_base_len = tvb_get_guint8(tvb, offset);
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/* FT_UINT_STRING with one leading length byte */
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proto_tree_add_item(tree, hf_dvb_ait_descr_trpt_sel_url_base,
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tvb, offset, 1, ENC_ASCII|ENC_BIG_ENDIAN);
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offset += 1+url_base_len;
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url_ext_cnt = tvb_get_guint8(tvb, offset);
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proto_tree_add_item(tree, hf_dvb_ait_descr_trpt_sel_url_ext_cnt,
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tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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for (i=0; i<url_ext_cnt; i++) {
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url_ext_len = tvb_get_guint8(tvb, offset);
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proto_tree_add_item(tree, hf_dvb_ait_descr_trpt_sel_url_ext,
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tvb, offset, 1, ENC_ASCII|ENC_BIG_ENDIAN);
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offset += 1+url_ext_len;
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}
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}
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else {
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proto_tree_add_item(tree, hf_dvb_ait_descr_trpt_sel_bytes,
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tvb, offset, offset_start+body_len-offset, ENC_NA);
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offset = offset_start+body_len;
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}
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}
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return (gint)(offset-offset_start);
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}
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static gint
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dissect_dvb_ait_descriptor(tvbuff_t *tvb, guint offset,
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packet_info *pinfo, proto_tree *tree)
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{
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gint ret;
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guint offset_start;
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guint8 tag, len;
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proto_tree *descr_tree;
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tag = tvb_get_guint8(tvb, offset);
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len = tvb_get_guint8(tvb, offset+1);
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/* if the descriptor is a special one that's defined in ETSI TS 102 809,
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we dissect it ourselves
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otherwise, we assume it's a generic DVB-SI descriptor and pass it
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on to packet-mpeg-descriptor */
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if (try_val_to_str(tag, ait_descr_tag)) {
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offset_start = offset;
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descr_tree = proto_tree_add_subtree_format(tree, tvb, offset_start, len+2,
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ett_dvb_ait_descr, NULL, "Descriptor Tag=0x%02x", tag);
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proto_tree_add_item(descr_tree, hf_dvb_ait_descr_tag,
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tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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proto_tree_add_item(descr_tree, hf_dvb_ait_descr_len,
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tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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switch (tag) {
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case AIT_DESCR_APP:
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ret = dissect_dvb_ait_app_desc_body(tvb, offset, len,
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pinfo, descr_tree);
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if (ret>0)
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offset += ret;
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break;
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case AIT_DESCR_APP_NAME:
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ret = dissect_dvb_ait_app_name_desc_body(tvb, offset, len,
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pinfo, descr_tree);
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if (ret>0)
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offset += ret;
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break;
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case AIT_DESCR_TRPT_PROTO:
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ret = dissect_dvb_ait_trpt_proto_desc_body(tvb, offset, len,
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pinfo, descr_tree);
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if (ret>0)
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offset += ret;
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break;
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case AIT_DESCR_SIM_APP_LOC:
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proto_tree_add_item(descr_tree,
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hf_dvb_ait_descr_sal_init_path,
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tvb, offset, len, ENC_ASCII|ENC_NA);
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offset += len;
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break;
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default:
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proto_tree_add_item(descr_tree, hf_dvb_ait_descr_data,
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tvb, offset, len, ENC_NA);
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offset += len;
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break;
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}
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ret = (gint)(offset-offset_start);
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}
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else
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ret = (gint)proto_mpeg_descriptor_dissect(tvb, offset, tree);
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return ret;
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}
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static int
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dissect_dvb_ait(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
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{
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gint offset=0;
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proto_item *ait_tree_ti = NULL, *app_tree_ti = NULL;
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proto_tree *ait_tree = NULL, *ait_app_tree = NULL;
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gint offset_loop_start, offset_inner_loop_start, offset_app_start;
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guint16 descr_loop_len, app_loop_len;
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gint ret;
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guint32 org_id;
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guint16 app_id;
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col_set_str(pinfo->cinfo, COL_INFO, "Application Information Table (AIT)");
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if (tree) {
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ait_tree_ti = proto_tree_add_protocol_format(tree, proto_dvb_ait,
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tvb, 0, -1, "Application Information Table (AIT)");
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ait_tree = proto_item_add_subtree(ait_tree_ti, ett_dvb_ait);
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}
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offset += packet_mpeg_sect_header(tvb, offset, ait_tree, NULL, NULL);
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proto_tree_add_item(ait_tree, hf_dvb_ait_test_app_flag,
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tvb, offset, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item(ait_tree, hf_dvb_ait_app_type,
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tvb, offset, 2, ENC_BIG_ENDIAN);
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offset += 2;
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/* no hf for reserved bits */
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proto_tree_add_item(ait_tree, hf_dvb_ait_version_number,
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tvb, offset, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item(ait_tree, hf_dvb_ait_current_next_indicator,
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tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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proto_tree_add_item(ait_tree, hf_dvb_ait_section_number,
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tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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proto_tree_add_item(ait_tree, hf_dvb_ait_last_section_number,
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tvb, offset, 1, ENC_BIG_ENDIAN);
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offset++;
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descr_loop_len = tvb_get_ntohs(tvb, offset) & 0x0FFF;
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proto_tree_add_item(ait_tree, hf_dvb_ait_descr_loop_len,
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tvb, offset, 2, ENC_BIG_ENDIAN);
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offset += 2;
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offset_loop_start = offset;
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while (offset-offset_loop_start < descr_loop_len) {
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ret = dissect_dvb_ait_descriptor(tvb, offset, pinfo, ait_tree);
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if (ret<=0)
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break;
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offset += ret;
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}
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app_loop_len = tvb_get_ntohs(tvb, offset) & 0x0FFF;
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proto_tree_add_item(ait_tree, hf_dvb_ait_app_loop_len,
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tvb, offset, 2, ENC_BIG_ENDIAN);
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offset += 2;
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offset_loop_start = offset;
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while (offset-offset_loop_start < app_loop_len) {
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offset_app_start = offset;
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org_id = tvb_get_ntohl(tvb, offset);
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app_id = tvb_get_ntohs(tvb, offset+4);
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ait_app_tree = proto_tree_add_subtree_format(ait_tree, tvb, offset, -1,
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ett_dvb_ait_app, &app_tree_ti, "Application: Org 0x%x, App 0x%x", org_id, app_id);
|
|
|
|
proto_tree_add_item(ait_app_tree, hf_dvb_ait_org_id,
|
|
tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
proto_tree_add_item(ait_app_tree, hf_dvb_ait_app_id,
|
|
tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
proto_tree_add_item(ait_app_tree, hf_dvb_ait_app_ctrl_code,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
descr_loop_len = tvb_get_ntohs(tvb, offset) & 0x0FFF;
|
|
proto_tree_add_item(ait_app_tree, hf_dvb_ait_descr_loop_len,
|
|
tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
offset_inner_loop_start = offset;
|
|
while (offset-offset_inner_loop_start < descr_loop_len) {
|
|
ret = dissect_dvb_ait_descriptor(tvb, offset, pinfo, ait_app_tree);
|
|
if (ret<=0)
|
|
break;
|
|
offset += ret;
|
|
}
|
|
proto_item_set_len(app_tree_ti, offset-offset_app_start);
|
|
}
|
|
|
|
offset += packet_mpeg_sect_crc(tvb, pinfo, ait_tree, 0, offset);
|
|
|
|
proto_item_set_len(ait_tree_ti, offset);
|
|
|
|
return offset;
|
|
}
|
|
|
|
void
|
|
proto_register_dvb_ait(void)
|
|
{
|
|
static gint *ett[] = {
|
|
&ett_dvb_ait,
|
|
&ett_dvb_ait_descr,
|
|
&ett_dvb_ait_app
|
|
};
|
|
|
|
static hf_register_info hf[] = {
|
|
{ &hf_dvb_ait_test_app_flag,
|
|
{ "Test application flag", "dvb_ait.test_app_flag",
|
|
FT_UINT8, BASE_HEX, NULL, 0x80, NULL, HFILL } },
|
|
{ &hf_dvb_ait_app_type,
|
|
{ "Application type", "dvb_ait.app_type",
|
|
FT_UINT16, BASE_HEX, NULL, 0x7FFF, NULL, HFILL } },
|
|
{ &hf_dvb_ait_version_number,
|
|
{ "Version Number", "dvb_ait.version",
|
|
FT_UINT8, BASE_HEX, NULL, 0x3E, NULL, HFILL } },
|
|
{ &hf_dvb_ait_current_next_indicator,
|
|
{ "Current/Next Indicator", "dvb_ait.cur_next_ind",
|
|
FT_UINT8, BASE_DEC, NULL, 0x01, NULL, HFILL } },
|
|
{ &hf_dvb_ait_section_number,
|
|
{ "Section Number", "dvb_ait.sect_num",
|
|
FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvb_ait_last_section_number,
|
|
{ "Last Section Number", "dvb_ait.last_sect_num",
|
|
FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvb_ait_descr_loop_len,
|
|
{ "Descriptor loop length", "dvb_ait.descr_loop_len",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0FFF, NULL, HFILL } },
|
|
{ &hf_dvb_ait_descr_tag,
|
|
{ "Descriptor Tag", "dvb_ait.descr.tag",
|
|
FT_UINT8, BASE_HEX, VALS(ait_descr_tag), 0, NULL, HFILL } },
|
|
{ &hf_dvb_ait_descr_len,
|
|
{ "Descriptor Length", "dvb_ait.descr.len",
|
|
FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvb_ait_descr_data,
|
|
{ "Descriptor Data", "dvb_ait.descr.data",
|
|
FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvb_ait_descr_app_prof_len,
|
|
{ "Application profiles length", "dvb_ait.descr.app.prof_len",
|
|
FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvb_ait_descr_app_prof,
|
|
{ "Application profile", "dvb_ait.descr.app.prof",
|
|
FT_UINT16, BASE_HEX, NULL, 0, NULL, HFILL } },
|
|
/* version is major|minor|micro */
|
|
{ &hf_dvb_ait_descr_app_ver,
|
|
{ "Version", "dvb_ait.descr.app.ver",
|
|
FT_UINT24, BASE_HEX, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvb_ait_descr_app_svc_bound,
|
|
{ "Service-bound flag", "dvb_ait.descr.app.svc_bound_flag",
|
|
FT_UINT8, BASE_HEX, NULL, 0x80, NULL, HFILL } },
|
|
{ &hf_dvb_ait_descr_app_vis,
|
|
{ "Visibility", "dvb_ait.descr.app.visibility",
|
|
FT_UINT8, BASE_HEX, VALS(app_vis), 0x60, NULL, HFILL } },
|
|
{ &hf_dvb_ait_descr_app_prio,
|
|
{ "Application priority", "dvb_ait.descr.app.prio",
|
|
FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvb_ait_descr_app_trpt_proto_label,
|
|
{ "Transport protocol label", "dvb_ait.descr.app.trpt_proto_label",
|
|
FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvb_ait_descr_app_name_lang,
|
|
{ "ISO 639 language code", "dvb_ait.descr.app_name.lang",
|
|
FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvb_ait_descr_app_name_name,
|
|
{ "Application name", "dvb_ait.descr.app_name.name",
|
|
FT_UINT_STRING, BASE_NONE, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvb_ait_descr_trpt_proto_id,
|
|
{ "Protocol ID", "dvb_ait.descr.trpt_proto.id",
|
|
FT_UINT16, BASE_HEX, VALS(trpt_proto_id), 0, NULL, HFILL } },
|
|
{ &hf_dvb_ait_descr_trpt_proto_label,
|
|
{ "Transport protocol label", "dvb_ait.descr.trpt_proto.label",
|
|
FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvb_ait_descr_trpt_sel_remote,
|
|
{ "Remote connection", "dvb_ait.descr.trpt_proto.remote",
|
|
FT_UINT8, BASE_HEX, NULL, 0x80, NULL, HFILL } },
|
|
{ &hf_dvb_ait_descr_trpt_sel_onid,
|
|
{ "Original network ID", "dvb_ait.descr.trpt_proto.onid",
|
|
FT_UINT16, BASE_HEX, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvb_ait_descr_trpt_sel_tsid,
|
|
{ "Transport stream ID", "dvb_ait.descr.trpt_proto.tsid",
|
|
FT_UINT16, BASE_HEX, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvb_ait_descr_trpt_sel_svcid,
|
|
{ "Service ID", "dvb_ait.descr.trpt_proto.svcid",
|
|
FT_UINT16, BASE_HEX, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvb_ait_descr_trpt_sel_comp,
|
|
{ "Component tag", "dvb_ait.descr.trpt_proto.comp_tag",
|
|
FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvb_ait_descr_trpt_sel_url_base,
|
|
{ "URL base", "dvb_ait.descr.trpt_proto.url_base",
|
|
FT_UINT_STRING, BASE_NONE, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvb_ait_descr_trpt_sel_url_ext_cnt,
|
|
{ "URL extension count", "dvb_ait.descr.trpt_proto.url_ext_cnt",
|
|
FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvb_ait_descr_trpt_sel_url_ext,
|
|
{ "URL extension", "dvb_ait.descr.trpt_proto.url_ext",
|
|
FT_UINT_STRING, BASE_NONE, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvb_ait_descr_trpt_sel_bytes,
|
|
{ "Selector bytes", "dvb_ait.descr.trpt_proto.selector_bytes",
|
|
FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvb_ait_descr_sal_init_path,
|
|
{ "Initial path", "dvb_ait.descr.sim_app_loc.initial_path",
|
|
FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvb_ait_app_loop_len,
|
|
{ "Application loop length", "dvb_ait.app_loop_len",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0FFF, NULL, HFILL } },
|
|
{ &hf_dvb_ait_org_id,
|
|
{ "Organisation ID", "dvb_ait.app.org_id",
|
|
FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvb_ait_app_id,
|
|
{ "Application ID", "dvb_ait.app.app_id",
|
|
FT_UINT16, BASE_HEX, NULL, 0, NULL, HFILL } },
|
|
{ &hf_dvb_ait_app_ctrl_code,
|
|
{ "Application control code", "dvb_ait.app.ctrl_code",
|
|
FT_UINT8, BASE_HEX, VALS(app_ctrl_code), 0, NULL, HFILL } }
|
|
};
|
|
|
|
proto_dvb_ait = proto_register_protocol(
|
|
"DVB Application Information Table", "DVB AIT", "dvb_ait");
|
|
|
|
proto_register_field_array(proto_dvb_ait, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
}
|
|
|
|
|
|
void
|
|
proto_reg_handoff_dvb_ait(void)
|
|
{
|
|
dissector_handle_t dvb_ait_handle;
|
|
|
|
dvb_ait_handle = create_dissector_handle(dissect_dvb_ait, proto_dvb_ait);
|
|
dissector_add_uint("mpeg_sect.tid", DVB_AIT_TID, dvb_ait_handle);
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - http://www.wireshark.org/tools/modelines.html
|
|
*
|
|
* Local variables:
|
|
* c-basic-offset: 4
|
|
* tab-width: 8
|
|
* indent-tabs-mode: nil
|
|
* End:
|
|
*
|
|
* vi: set shiftwidth=4 tabstop=8 expandtab:
|
|
* :indentSize=4:tabSize=8:noTabs=true:
|
|
*/
|