diff options
Diffstat (limited to 'epan/dissectors/packet-dvb-ait.c')
-rw-r--r-- | epan/dissectors/packet-dvb-ait.c | 580 |
1 files changed, 580 insertions, 0 deletions
diff --git a/epan/dissectors/packet-dvb-ait.c b/epan/dissectors/packet-dvb-ait.c new file mode 100644 index 00000000..50542b60 --- /dev/null +++ b/epan/dissectors/packet-dvb-ait.c @@ -0,0 +1,580 @@ +/* packet-dvb-ait.c + * Routines for DVB Application Information Table (AIT) dissection + * Copyright 2012-2013, Martin Kaiser <martin@kaiser.cx> + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * Copyright 1998 Gerald Combs + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +/* This dissector processes a DVB Application Information Table (AIT) as + * defined in ETSI TS 102 809. */ + +#include "config.h" + +#include <epan/packet.h> + +#include "packet-mpeg-sect.h" +#include "packet-mpeg-descriptor.h" + +void proto_register_dvb_ait(void); +void proto_reg_handoff_dvb_ait(void); + +static dissector_handle_t dvb_ait_handle; + +static int proto_dvb_ait = -1; + +static gint ett_dvb_ait = -1; +static gint ett_dvb_ait_descr = -1; +static gint ett_dvb_ait_app = -1; + +static int hf_dvb_ait_test_app_flag = -1; +static int hf_dvb_ait_app_type = -1; +static int hf_dvb_ait_version_number = -1; +static int hf_dvb_ait_current_next_indicator = -1; +static int hf_dvb_ait_section_number = -1; +static int hf_dvb_ait_last_section_number = -1; +static int hf_dvb_ait_descr_loop_len = -1; +static int hf_dvb_ait_descr_tag = -1; +static int hf_dvb_ait_descr_len = -1; +static int hf_dvb_ait_descr_data = -1; +static int hf_dvb_ait_descr_app_prof_len = -1; +static int hf_dvb_ait_descr_app_prof = -1; +static int hf_dvb_ait_descr_app_ver = -1; +static int hf_dvb_ait_descr_app_svc_bound = -1; +static int hf_dvb_ait_descr_app_vis = -1; +static int hf_dvb_ait_descr_app_prio = -1; +static int hf_dvb_ait_descr_app_trpt_proto_label = -1; +static int hf_dvb_ait_descr_app_name_lang = -1; +static int hf_dvb_ait_descr_app_name_name = -1; +static int hf_dvb_ait_descr_trpt_proto_id = -1; +static int hf_dvb_ait_descr_trpt_proto_label = -1; +static int hf_dvb_ait_descr_trpt_sel_remote = -1; +static int hf_dvb_ait_descr_trpt_sel_onid = -1; +static int hf_dvb_ait_descr_trpt_sel_tsid = -1; +static int hf_dvb_ait_descr_trpt_sel_svcid = -1; +static int hf_dvb_ait_descr_trpt_sel_comp = -1; +static int hf_dvb_ait_descr_trpt_sel_url_base = -1; +static int hf_dvb_ait_descr_trpt_sel_url_ext_cnt = -1; +static int hf_dvb_ait_descr_trpt_sel_url_ext = -1; +static int hf_dvb_ait_descr_trpt_sel_bytes = -1; +static int hf_dvb_ait_descr_sal_init_path = -1; +static int hf_dvb_ait_app_loop_len = -1; +static int hf_dvb_ait_org_id = -1; +static int hf_dvb_ait_app_id = -1; +static int hf_dvb_ait_app_ctrl_code = -1; + +static const value_string app_ctrl_code[] = { + { 0x01, "Autostart" }, + { 0x02, "Present" }, + { 0x03, "Destroy" }, + { 0x04, "Kill" }, + { 0x05, "Prefetch" }, + { 0x06, "Remote" }, + { 0x07, "Disabled" }, + { 0x08, "Playback autostart" }, + { 0, NULL } +}; + +/* tags of the descriptors defined in ETSI TS 102 809 + some of these tags are conflicting with MPEG2 or DVB-SI definitions, + therefore these descriptors aren't supported by packet-mpeg-descriptor.c */ + +#define AIT_DESCR_APP 0x00 +#define AIT_DESCR_APP_NAME 0x01 +#define AIT_DESCR_TRPT_PROTO 0x02 +#define AIT_DESCR_EXT_APP_AUTH 0x05 +#define AIT_DESCR_APP_REC 0x06 +#define AIT_DESCR_APP_ICO 0x0B +#define AIT_DESCR_APP_STOR 0x10 +#define AIT_DESCR_GRA_CONST 0x14 +#define AIT_DESCR_SIM_APP_LOC 0x15 +#define AIT_DESCR_SIM_APP_BND 0x17 +#define AIT_DESCR_APP_SIG 0x6F + +static const value_string ait_descr_tag[] = { + { AIT_DESCR_APP, "Application descriptor" }, + { AIT_DESCR_APP_NAME, "Application name descriptor" }, + { AIT_DESCR_TRPT_PROTO, "Transport protocol descriptor" }, + { AIT_DESCR_EXT_APP_AUTH, "External application authorization descriptor" }, + { AIT_DESCR_APP_REC, "Application recording descriptor" }, + { AIT_DESCR_APP_ICO, "Application icons descriptor" }, + { AIT_DESCR_APP_STOR, "Application storage descriptor" }, + { AIT_DESCR_GRA_CONST, "Graphics constraints descriptor" }, + { AIT_DESCR_SIM_APP_LOC, "Simple application location descriptor" }, + { AIT_DESCR_SIM_APP_BND, "Simple application boundary descriptor" }, + { AIT_DESCR_APP_SIG, "Application signalling descriptor" }, + { 0, NULL } +}; + +#define TRPT_OBJ_CAROUSEL 0x0001 +#define TRPT_HTTP 0x0003 + +static const value_string trpt_proto_id[] = { + { TRPT_OBJ_CAROUSEL, "Object Carousel" }, + { TRPT_HTTP, "Transport via HTTP" }, + { 0, NULL } +}; + +static const value_string app_vis[] = { + { 0x0, "not visible" }, + { 0x1, "not visible to users, only to applications" }, + { 0x3, "fully visible" }, + { 0, NULL } +}; + + +/* dissect the body of an application_descriptor + offset points to the start of the body, + i.e. to the first byte after the length field */ +static gint +dissect_dvb_ait_app_desc_body(tvbuff_t *tvb, guint offset, + guint8 body_len, packet_info *pinfo _U_, proto_tree *tree) +{ + guint offset_start, offset_app_prof_start; + guint8 app_prof_len; + guint8 ver_maj, ver_min, ver_mic; + + offset_start = offset; + + app_prof_len = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_dvb_ait_descr_app_prof_len, + tvb, offset, 1, ENC_BIG_ENDIAN); + offset++; + offset_app_prof_start = offset; + while (offset-offset_app_prof_start < app_prof_len) { + proto_tree_add_item(tree, hf_dvb_ait_descr_app_prof, + tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + ver_maj = tvb_get_guint8(tvb, offset); + ver_min = tvb_get_guint8(tvb, offset+1); + ver_mic = tvb_get_guint8(tvb, offset+2); + proto_tree_add_uint_format(tree, hf_dvb_ait_descr_app_ver, + tvb, offset, 3, ver_maj<<16|ver_min<<8|ver_mic, + "Version %d.%d.%d", ver_maj, ver_min, ver_mic); + offset += 3; + } + proto_tree_add_item(tree, hf_dvb_ait_descr_app_svc_bound, + tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(tree, hf_dvb_ait_descr_app_vis, + tvb, offset, 1, ENC_BIG_ENDIAN); + offset++; + proto_tree_add_item(tree, hf_dvb_ait_descr_app_prio, + tvb, offset, 1, ENC_BIG_ENDIAN); + offset++; + while (offset-offset_start < body_len) { + proto_tree_add_item(tree, hf_dvb_ait_descr_app_trpt_proto_label, + tvb, offset, 1, ENC_BIG_ENDIAN); + offset++; + } + return (gint)(offset-offset_start); +} + + +static gint +dissect_dvb_ait_app_name_desc_body(tvbuff_t *tvb, guint offset, + guint8 body_len, packet_info *pinfo _U_, proto_tree *tree) +{ + guint offset_start; + guint8 len; + + offset_start = offset; + while (offset-offset_start < body_len) { + proto_tree_add_item(tree, hf_dvb_ait_descr_app_name_lang, + tvb, offset, 3, ENC_ASCII); + offset += 3; + len = tvb_get_guint8(tvb, offset); + /* FT_UINT_STRING with 1 leading len byte */ + proto_tree_add_item(tree, hf_dvb_ait_descr_app_name_name, + tvb, offset, 1, ENC_ASCII|ENC_BIG_ENDIAN); + offset += 1+len; + } + + return (gint)(offset-offset_start); +} + + +static gint +dissect_dvb_ait_trpt_proto_desc_body(tvbuff_t *tvb, guint offset, + guint8 body_len, packet_info *pinfo _U_, proto_tree *tree) +{ + guint offset_start; + guint16 proto_id; + gboolean remote_connection; + + offset_start = offset; + + proto_id = tvb_get_ntohs(tvb, offset); + proto_tree_add_item(tree, hf_dvb_ait_descr_trpt_proto_id, + tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + proto_tree_add_item(tree, hf_dvb_ait_descr_trpt_proto_label, + tvb, offset, 1, ENC_BIG_ENDIAN); + offset++; + if (offset-offset_start < body_len) { + if (proto_id == TRPT_OBJ_CAROUSEL) { + remote_connection = ((tvb_get_guint8(tvb, offset) & 0x80) == 0x80); + proto_tree_add_item(tree, hf_dvb_ait_descr_trpt_sel_remote, + tvb, offset, 1, ENC_BIG_ENDIAN); + offset++; + if (remote_connection) { + proto_tree_add_item(tree, hf_dvb_ait_descr_trpt_sel_onid, + tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + proto_tree_add_item(tree, hf_dvb_ait_descr_trpt_sel_tsid, + tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + proto_tree_add_item(tree, hf_dvb_ait_descr_trpt_sel_svcid, + tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + } + proto_tree_add_item(tree, hf_dvb_ait_descr_trpt_sel_comp, + tvb, offset, 1, ENC_BIG_ENDIAN); + offset++; + } + else if (proto_id == TRPT_HTTP) { + guint8 url_base_len, url_ext_cnt, url_ext_len, i; + + url_base_len = tvb_get_guint8(tvb, offset); + /* FT_UINT_STRING with one leading length byte */ + proto_tree_add_item(tree, hf_dvb_ait_descr_trpt_sel_url_base, + tvb, offset, 1, ENC_ASCII|ENC_BIG_ENDIAN); + offset += 1+url_base_len; + + url_ext_cnt = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_dvb_ait_descr_trpt_sel_url_ext_cnt, + tvb, offset, 1, ENC_BIG_ENDIAN); + offset++; + + for (i=0; i<url_ext_cnt; i++) { + url_ext_len = tvb_get_guint8(tvb, offset); + proto_tree_add_item(tree, hf_dvb_ait_descr_trpt_sel_url_ext, + tvb, offset, 1, ENC_ASCII|ENC_BIG_ENDIAN); + offset += 1+url_ext_len; + } + } + else { + proto_tree_add_item(tree, hf_dvb_ait_descr_trpt_sel_bytes, + tvb, offset, offset_start+body_len-offset, ENC_NA); + offset = offset_start+body_len; + } + } + + return (gint)(offset-offset_start); +} + + +static gint +dissect_dvb_ait_descriptor(tvbuff_t *tvb, guint offset, + packet_info *pinfo, proto_tree *tree) +{ + gint ret; + guint offset_start; + guint8 tag, len; + proto_tree *descr_tree; + + tag = tvb_get_guint8(tvb, offset); + len = tvb_get_guint8(tvb, offset+1); + + /* if the descriptor is a special one that's defined in ETSI TS 102 809, + we dissect it ourselves + otherwise, we assume it's a generic DVB-SI descriptor and pass it + on to packet-mpeg-descriptor */ + if (try_val_to_str(tag, ait_descr_tag)) { + + offset_start = offset; + descr_tree = proto_tree_add_subtree_format(tree, tvb, offset_start, len+2, + ett_dvb_ait_descr, NULL, "Descriptor Tag=0x%02x", tag); + + proto_tree_add_item(descr_tree, hf_dvb_ait_descr_tag, + tvb, offset, 1, ENC_BIG_ENDIAN); + offset++; + proto_tree_add_item(descr_tree, hf_dvb_ait_descr_len, + tvb, offset, 1, ENC_BIG_ENDIAN); + offset++; + + switch (tag) { + case AIT_DESCR_APP: + ret = dissect_dvb_ait_app_desc_body(tvb, offset, len, + pinfo, descr_tree); + if (ret>0) + offset += ret; + break; + case AIT_DESCR_APP_NAME: + ret = dissect_dvb_ait_app_name_desc_body(tvb, offset, len, + pinfo, descr_tree); + if (ret>0) + offset += ret; + break; + case AIT_DESCR_TRPT_PROTO: + ret = dissect_dvb_ait_trpt_proto_desc_body(tvb, offset, len, + pinfo, descr_tree); + if (ret>0) + offset += ret; + break; + case AIT_DESCR_SIM_APP_LOC: + proto_tree_add_item(descr_tree, + hf_dvb_ait_descr_sal_init_path, + tvb, offset, len, ENC_ASCII); + offset += len; + break; + default: + proto_tree_add_item(descr_tree, hf_dvb_ait_descr_data, + tvb, offset, len, ENC_NA); + offset += len; + break; + } + + ret = (gint)(offset-offset_start); + } + else + ret = (gint)proto_mpeg_descriptor_dissect(tvb, offset, tree); + + return ret; +} + + +static int +dissect_dvb_ait(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) +{ + gint offset=0; + proto_item *ait_tree_ti = NULL, *app_tree_ti = NULL; + proto_tree *ait_tree = NULL, *ait_app_tree = NULL; + gint offset_loop_start, offset_inner_loop_start, offset_app_start; + guint16 descr_loop_len, app_loop_len; + gint ret; + guint32 org_id; + guint16 app_id; + + col_set_str(pinfo->cinfo, COL_INFO, "Application Information Table (AIT)"); + + if (tree) { + ait_tree_ti = proto_tree_add_protocol_format(tree, proto_dvb_ait, + tvb, 0, -1, "Application Information Table (AIT)"); + ait_tree = proto_item_add_subtree(ait_tree_ti, ett_dvb_ait); + } + + offset += packet_mpeg_sect_header(tvb, offset, ait_tree, NULL, NULL); + + proto_tree_add_item(ait_tree, hf_dvb_ait_test_app_flag, + tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(ait_tree, hf_dvb_ait_app_type, + tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + + /* no hf for reserved bits */ + proto_tree_add_item(ait_tree, hf_dvb_ait_version_number, + tvb, offset, 1, ENC_BIG_ENDIAN); + proto_tree_add_item(ait_tree, hf_dvb_ait_current_next_indicator, + tvb, offset, 1, ENC_BIG_ENDIAN); + offset++; + + proto_tree_add_item(ait_tree, hf_dvb_ait_section_number, + tvb, offset, 1, ENC_BIG_ENDIAN); + offset++; + + proto_tree_add_item(ait_tree, hf_dvb_ait_last_section_number, + tvb, offset, 1, ENC_BIG_ENDIAN); + offset++; + + descr_loop_len = tvb_get_ntohs(tvb, offset) & 0x0FFF; + proto_tree_add_item(ait_tree, hf_dvb_ait_descr_loop_len, + tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + offset_loop_start = offset; + while (offset-offset_loop_start < descr_loop_len) { + ret = dissect_dvb_ait_descriptor(tvb, offset, pinfo, ait_tree); + if (ret<=0) + break; + offset += ret; + } + + app_loop_len = tvb_get_ntohs(tvb, offset) & 0x0FFF; + proto_tree_add_item(ait_tree, hf_dvb_ait_app_loop_len, + tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + offset_loop_start = offset; + while (offset-offset_loop_start < app_loop_len) { + offset_app_start = offset; + org_id = tvb_get_ntohl(tvb, offset); + app_id = tvb_get_ntohs(tvb, offset+4); + ait_app_tree = proto_tree_add_subtree_format(ait_tree, tvb, offset, -1, + 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)); + + dvb_ait_handle = register_dissector("dvb_ait", dissect_dvb_ait, proto_dvb_ait); +} + + +void +proto_reg_handoff_dvb_ait(void) +{ + dissector_add_uint("mpeg_sect.tid", DVB_AIT_TID, dvb_ait_handle); +} + +/* + * Editor modelines - https://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: + */ |