2 * Routines for DVB Application Information Table (AIT) dissection
3 * Copyright 2012-2013, Martin Kaiser <martin@kaiser.cx>
5 * Wireshark - Network traffic analyzer
6 * By Gerald Combs <gerald@wireshark.org>
7 * Copyright 1998 Gerald Combs
9 * SPDX-License-Identifier: GPL-2.0-or-later
12 /* This dissector processes a DVB Application Information Table (AIT) as
13 * defined in ETSI TS 102 809. */
17 #include <epan/packet.h>
19 #include "packet-mpeg-sect.h"
20 #include "packet-mpeg-descriptor.h"
22 void proto_register_dvb_ait(void);
23 void proto_reg_handoff_dvb_ait(void);
25 static dissector_handle_t dvb_ait_handle
;
27 static int proto_dvb_ait
;
29 static int ett_dvb_ait
;
30 static int ett_dvb_ait_descr
;
31 static int ett_dvb_ait_app
;
33 static int hf_dvb_ait_test_app_flag
;
34 static int hf_dvb_ait_app_type
;
35 static int hf_dvb_ait_version_number
;
36 static int hf_dvb_ait_current_next_indicator
;
37 static int hf_dvb_ait_section_number
;
38 static int hf_dvb_ait_last_section_number
;
39 static int hf_dvb_ait_descr_loop_len
;
40 static int hf_dvb_ait_descr_tag
;
41 static int hf_dvb_ait_descr_len
;
42 static int hf_dvb_ait_descr_data
;
43 static int hf_dvb_ait_descr_app_prof_len
;
44 static int hf_dvb_ait_descr_app_prof
;
45 static int hf_dvb_ait_descr_app_ver
;
46 static int hf_dvb_ait_descr_app_svc_bound
;
47 static int hf_dvb_ait_descr_app_vis
;
48 static int hf_dvb_ait_descr_app_prio
;
49 static int hf_dvb_ait_descr_app_trpt_proto_label
;
50 static int hf_dvb_ait_descr_app_name_lang
;
51 static int hf_dvb_ait_descr_app_name_name
;
52 static int hf_dvb_ait_descr_trpt_proto_id
;
53 static int hf_dvb_ait_descr_trpt_proto_label
;
54 static int hf_dvb_ait_descr_trpt_sel_remote
;
55 static int hf_dvb_ait_descr_trpt_sel_onid
;
56 static int hf_dvb_ait_descr_trpt_sel_tsid
;
57 static int hf_dvb_ait_descr_trpt_sel_svcid
;
58 static int hf_dvb_ait_descr_trpt_sel_comp
;
59 static int hf_dvb_ait_descr_trpt_sel_url_base
;
60 static int hf_dvb_ait_descr_trpt_sel_url_ext_cnt
;
61 static int hf_dvb_ait_descr_trpt_sel_url_ext
;
62 static int hf_dvb_ait_descr_trpt_sel_bytes
;
63 static int hf_dvb_ait_descr_sal_init_path
;
64 static int hf_dvb_ait_app_loop_len
;
65 static int hf_dvb_ait_org_id
;
66 static int hf_dvb_ait_app_id
;
67 static int hf_dvb_ait_app_ctrl_code
;
69 static const value_string app_ctrl_code
[] = {
70 { 0x01, "Autostart" },
77 { 0x08, "Playback autostart" },
81 /* tags of the descriptors defined in ETSI TS 102 809
82 some of these tags are conflicting with MPEG2 or DVB-SI definitions,
83 therefore these descriptors aren't supported by packet-mpeg-descriptor.c */
85 #define AIT_DESCR_APP 0x00
86 #define AIT_DESCR_APP_NAME 0x01
87 #define AIT_DESCR_TRPT_PROTO 0x02
88 #define AIT_DESCR_EXT_APP_AUTH 0x05
89 #define AIT_DESCR_APP_REC 0x06
90 #define AIT_DESCR_APP_ICO 0x0B
91 #define AIT_DESCR_APP_STOR 0x10
92 #define AIT_DESCR_GRA_CONST 0x14
93 #define AIT_DESCR_SIM_APP_LOC 0x15
94 #define AIT_DESCR_SIM_APP_BND 0x17
95 #define AIT_DESCR_APP_SIG 0x6F
97 static const value_string ait_descr_tag
[] = {
98 { AIT_DESCR_APP
, "Application descriptor" },
99 { AIT_DESCR_APP_NAME
, "Application name descriptor" },
100 { AIT_DESCR_TRPT_PROTO
, "Transport protocol descriptor" },
101 { AIT_DESCR_EXT_APP_AUTH
, "External application authorization descriptor" },
102 { AIT_DESCR_APP_REC
, "Application recording descriptor" },
103 { AIT_DESCR_APP_ICO
, "Application icons descriptor" },
104 { AIT_DESCR_APP_STOR
, "Application storage descriptor" },
105 { AIT_DESCR_GRA_CONST
, "Graphics constraints descriptor" },
106 { AIT_DESCR_SIM_APP_LOC
, "Simple application location descriptor" },
107 { AIT_DESCR_SIM_APP_BND
, "Simple application boundary descriptor" },
108 { AIT_DESCR_APP_SIG
, "Application signalling descriptor" },
112 #define TRPT_OBJ_CAROUSEL 0x0001
113 #define TRPT_HTTP 0x0003
115 static const value_string trpt_proto_id
[] = {
116 { TRPT_OBJ_CAROUSEL
, "Object Carousel" },
117 { TRPT_HTTP
, "Transport via HTTP" },
121 static const value_string app_vis
[] = {
122 { 0x0, "not visible" },
123 { 0x1, "not visible to users, only to applications" },
124 { 0x3, "fully visible" },
129 /* dissect the body of an application_descriptor
130 offset points to the start of the body,
131 i.e. to the first byte after the length field */
133 dissect_dvb_ait_app_desc_body(tvbuff_t
*tvb
, unsigned offset
,
134 uint8_t body_len
, packet_info
*pinfo _U_
, proto_tree
*tree
)
136 unsigned offset_start
, offset_app_prof_start
;
137 uint8_t app_prof_len
;
138 uint8_t ver_maj
, ver_min
, ver_mic
;
140 offset_start
= offset
;
142 app_prof_len
= tvb_get_uint8(tvb
, offset
);
143 proto_tree_add_item(tree
, hf_dvb_ait_descr_app_prof_len
,
144 tvb
, offset
, 1, ENC_BIG_ENDIAN
);
146 offset_app_prof_start
= offset
;
147 while (offset
-offset_app_prof_start
< app_prof_len
) {
148 proto_tree_add_item(tree
, hf_dvb_ait_descr_app_prof
,
149 tvb
, offset
, 2, ENC_BIG_ENDIAN
);
151 ver_maj
= tvb_get_uint8(tvb
, offset
);
152 ver_min
= tvb_get_uint8(tvb
, offset
+1);
153 ver_mic
= tvb_get_uint8(tvb
, offset
+2);
154 proto_tree_add_uint_format(tree
, hf_dvb_ait_descr_app_ver
,
155 tvb
, offset
, 3, ver_maj
<<16|ver_min
<<8|ver_mic
,
156 "Version %d.%d.%d", ver_maj
, ver_min
, ver_mic
);
159 proto_tree_add_item(tree
, hf_dvb_ait_descr_app_svc_bound
,
160 tvb
, offset
, 1, ENC_BIG_ENDIAN
);
161 proto_tree_add_item(tree
, hf_dvb_ait_descr_app_vis
,
162 tvb
, offset
, 1, ENC_BIG_ENDIAN
);
164 proto_tree_add_item(tree
, hf_dvb_ait_descr_app_prio
,
165 tvb
, offset
, 1, ENC_BIG_ENDIAN
);
167 while (offset
-offset_start
< body_len
) {
168 proto_tree_add_item(tree
, hf_dvb_ait_descr_app_trpt_proto_label
,
169 tvb
, offset
, 1, ENC_BIG_ENDIAN
);
172 return (int)(offset
-offset_start
);
177 dissect_dvb_ait_app_name_desc_body(tvbuff_t
*tvb
, unsigned offset
,
178 uint8_t body_len
, packet_info
*pinfo _U_
, proto_tree
*tree
)
180 unsigned offset_start
;
183 offset_start
= offset
;
184 while (offset
-offset_start
< body_len
) {
185 proto_tree_add_item(tree
, hf_dvb_ait_descr_app_name_lang
,
186 tvb
, offset
, 3, ENC_ASCII
);
188 len
= tvb_get_uint8(tvb
, offset
);
189 /* FT_UINT_STRING with 1 leading len byte */
190 proto_tree_add_item(tree
, hf_dvb_ait_descr_app_name_name
,
191 tvb
, offset
, 1, ENC_ASCII
|ENC_BIG_ENDIAN
);
195 return (int)(offset
-offset_start
);
200 dissect_dvb_ait_trpt_proto_desc_body(tvbuff_t
*tvb
, unsigned offset
,
201 uint8_t body_len
, packet_info
*pinfo _U_
, proto_tree
*tree
)
203 unsigned offset_start
;
205 bool remote_connection
;
207 offset_start
= offset
;
209 proto_id
= tvb_get_ntohs(tvb
, offset
);
210 proto_tree_add_item(tree
, hf_dvb_ait_descr_trpt_proto_id
,
211 tvb
, offset
, 2, ENC_BIG_ENDIAN
);
213 proto_tree_add_item(tree
, hf_dvb_ait_descr_trpt_proto_label
,
214 tvb
, offset
, 1, ENC_BIG_ENDIAN
);
216 if (offset
-offset_start
< body_len
) {
217 if (proto_id
== TRPT_OBJ_CAROUSEL
) {
218 remote_connection
= ((tvb_get_uint8(tvb
, offset
) & 0x80) == 0x80);
219 proto_tree_add_item(tree
, hf_dvb_ait_descr_trpt_sel_remote
,
220 tvb
, offset
, 1, ENC_BIG_ENDIAN
);
222 if (remote_connection
) {
223 proto_tree_add_item(tree
, hf_dvb_ait_descr_trpt_sel_onid
,
224 tvb
, offset
, 2, ENC_BIG_ENDIAN
);
226 proto_tree_add_item(tree
, hf_dvb_ait_descr_trpt_sel_tsid
,
227 tvb
, offset
, 2, ENC_BIG_ENDIAN
);
229 proto_tree_add_item(tree
, hf_dvb_ait_descr_trpt_sel_svcid
,
230 tvb
, offset
, 2, ENC_BIG_ENDIAN
);
233 proto_tree_add_item(tree
, hf_dvb_ait_descr_trpt_sel_comp
,
234 tvb
, offset
, 1, ENC_BIG_ENDIAN
);
237 else if (proto_id
== TRPT_HTTP
) {
238 uint8_t url_base_len
, url_ext_cnt
, url_ext_len
, i
;
240 url_base_len
= tvb_get_uint8(tvb
, offset
);
241 /* FT_UINT_STRING with one leading length byte */
242 proto_tree_add_item(tree
, hf_dvb_ait_descr_trpt_sel_url_base
,
243 tvb
, offset
, 1, ENC_ASCII
|ENC_BIG_ENDIAN
);
244 offset
+= 1+url_base_len
;
246 url_ext_cnt
= tvb_get_uint8(tvb
, offset
);
247 proto_tree_add_item(tree
, hf_dvb_ait_descr_trpt_sel_url_ext_cnt
,
248 tvb
, offset
, 1, ENC_BIG_ENDIAN
);
251 for (i
=0; i
<url_ext_cnt
; i
++) {
252 url_ext_len
= tvb_get_uint8(tvb
, offset
);
253 proto_tree_add_item(tree
, hf_dvb_ait_descr_trpt_sel_url_ext
,
254 tvb
, offset
, 1, ENC_ASCII
|ENC_BIG_ENDIAN
);
255 offset
+= 1+url_ext_len
;
259 proto_tree_add_item(tree
, hf_dvb_ait_descr_trpt_sel_bytes
,
260 tvb
, offset
, offset_start
+body_len
-offset
, ENC_NA
);
261 offset
= offset_start
+body_len
;
265 return (int)(offset
-offset_start
);
270 dissect_dvb_ait_descriptor(tvbuff_t
*tvb
, unsigned offset
,
271 packet_info
*pinfo
, proto_tree
*tree
)
274 unsigned offset_start
;
276 proto_tree
*descr_tree
;
278 tag
= tvb_get_uint8(tvb
, offset
);
279 len
= tvb_get_uint8(tvb
, offset
+1);
281 /* if the descriptor is a special one that's defined in ETSI TS 102 809,
282 we dissect it ourselves
283 otherwise, we assume it's a generic DVB-SI descriptor and pass it
284 on to packet-mpeg-descriptor */
285 if (try_val_to_str(tag
, ait_descr_tag
)) {
287 offset_start
= offset
;
288 descr_tree
= proto_tree_add_subtree_format(tree
, tvb
, offset_start
, len
+2,
289 ett_dvb_ait_descr
, NULL
, "Descriptor Tag=0x%02x", tag
);
291 proto_tree_add_item(descr_tree
, hf_dvb_ait_descr_tag
,
292 tvb
, offset
, 1, ENC_BIG_ENDIAN
);
294 proto_tree_add_item(descr_tree
, hf_dvb_ait_descr_len
,
295 tvb
, offset
, 1, ENC_BIG_ENDIAN
);
300 ret
= dissect_dvb_ait_app_desc_body(tvb
, offset
, len
,
305 case AIT_DESCR_APP_NAME
:
306 ret
= dissect_dvb_ait_app_name_desc_body(tvb
, offset
, len
,
311 case AIT_DESCR_TRPT_PROTO
:
312 ret
= dissect_dvb_ait_trpt_proto_desc_body(tvb
, offset
, len
,
317 case AIT_DESCR_SIM_APP_LOC
:
318 proto_tree_add_item(descr_tree
,
319 hf_dvb_ait_descr_sal_init_path
,
320 tvb
, offset
, len
, ENC_ASCII
);
324 proto_tree_add_item(descr_tree
, hf_dvb_ait_descr_data
,
325 tvb
, offset
, len
, ENC_NA
);
330 ret
= (int)(offset
-offset_start
);
333 ret
= (int)proto_mpeg_descriptor_dissect(tvb
, offset
, tree
);
340 dissect_dvb_ait(tvbuff_t
*tvb
, packet_info
*pinfo
, proto_tree
*tree
, void *data _U_
)
343 proto_item
*ait_tree_ti
= NULL
, *app_tree_ti
= NULL
;
344 proto_tree
*ait_tree
= NULL
, *ait_app_tree
= NULL
;
345 int offset_loop_start
, offset_inner_loop_start
, offset_app_start
;
346 uint16_t descr_loop_len
, app_loop_len
;
351 col_set_str(pinfo
->cinfo
, COL_INFO
, "Application Information Table (AIT)");
354 ait_tree_ti
= proto_tree_add_protocol_format(tree
, proto_dvb_ait
,
355 tvb
, 0, -1, "Application Information Table (AIT)");
356 ait_tree
= proto_item_add_subtree(ait_tree_ti
, ett_dvb_ait
);
359 offset
+= packet_mpeg_sect_header(tvb
, offset
, ait_tree
, NULL
, NULL
);
361 proto_tree_add_item(ait_tree
, hf_dvb_ait_test_app_flag
,
362 tvb
, offset
, 1, ENC_BIG_ENDIAN
);
363 proto_tree_add_item(ait_tree
, hf_dvb_ait_app_type
,
364 tvb
, offset
, 2, ENC_BIG_ENDIAN
);
367 /* no hf for reserved bits */
368 proto_tree_add_item(ait_tree
, hf_dvb_ait_version_number
,
369 tvb
, offset
, 1, ENC_BIG_ENDIAN
);
370 proto_tree_add_item(ait_tree
, hf_dvb_ait_current_next_indicator
,
371 tvb
, offset
, 1, ENC_BIG_ENDIAN
);
374 proto_tree_add_item(ait_tree
, hf_dvb_ait_section_number
,
375 tvb
, offset
, 1, ENC_BIG_ENDIAN
);
378 proto_tree_add_item(ait_tree
, hf_dvb_ait_last_section_number
,
379 tvb
, offset
, 1, ENC_BIG_ENDIAN
);
382 descr_loop_len
= tvb_get_ntohs(tvb
, offset
) & 0x0FFF;
383 proto_tree_add_item(ait_tree
, hf_dvb_ait_descr_loop_len
,
384 tvb
, offset
, 2, ENC_BIG_ENDIAN
);
386 offset_loop_start
= offset
;
387 while (offset
-offset_loop_start
< descr_loop_len
) {
388 ret
= dissect_dvb_ait_descriptor(tvb
, offset
, pinfo
, ait_tree
);
394 app_loop_len
= tvb_get_ntohs(tvb
, offset
) & 0x0FFF;
395 proto_tree_add_item(ait_tree
, hf_dvb_ait_app_loop_len
,
396 tvb
, offset
, 2, ENC_BIG_ENDIAN
);
398 offset_loop_start
= offset
;
399 while (offset
-offset_loop_start
< app_loop_len
) {
400 offset_app_start
= offset
;
401 org_id
= tvb_get_ntohl(tvb
, offset
);
402 app_id
= tvb_get_ntohs(tvb
, offset
+4);
403 ait_app_tree
= proto_tree_add_subtree_format(ait_tree
, tvb
, offset
, -1,
404 ett_dvb_ait_app
, &app_tree_ti
, "Application: Org 0x%x, App 0x%x", org_id
, app_id
);
406 proto_tree_add_item(ait_app_tree
, hf_dvb_ait_org_id
,
407 tvb
, offset
, 4, ENC_BIG_ENDIAN
);
409 proto_tree_add_item(ait_app_tree
, hf_dvb_ait_app_id
,
410 tvb
, offset
, 2, ENC_BIG_ENDIAN
);
412 proto_tree_add_item(ait_app_tree
, hf_dvb_ait_app_ctrl_code
,
413 tvb
, offset
, 1, ENC_BIG_ENDIAN
);
415 descr_loop_len
= tvb_get_ntohs(tvb
, offset
) & 0x0FFF;
416 proto_tree_add_item(ait_app_tree
, hf_dvb_ait_descr_loop_len
,
417 tvb
, offset
, 2, ENC_BIG_ENDIAN
);
419 offset_inner_loop_start
= offset
;
420 while (offset
-offset_inner_loop_start
< descr_loop_len
) {
421 ret
= dissect_dvb_ait_descriptor(tvb
, offset
, pinfo
, ait_app_tree
);
426 proto_item_set_len(app_tree_ti
, offset
-offset_app_start
);
429 offset
+= packet_mpeg_sect_crc(tvb
, pinfo
, ait_tree
, 0, offset
);
431 proto_item_set_len(ait_tree_ti
, offset
);
437 proto_register_dvb_ait(void)
439 static int *ett
[] = {
445 static hf_register_info hf
[] = {
446 { &hf_dvb_ait_test_app_flag
,
447 { "Test application flag", "dvb_ait.test_app_flag",
448 FT_UINT8
, BASE_HEX
, NULL
, 0x80, NULL
, HFILL
} },
449 { &hf_dvb_ait_app_type
,
450 { "Application type", "dvb_ait.app_type",
451 FT_UINT16
, BASE_HEX
, NULL
, 0x7FFF, NULL
, HFILL
} },
452 { &hf_dvb_ait_version_number
,
453 { "Version Number", "dvb_ait.version",
454 FT_UINT8
, BASE_HEX
, NULL
, 0x3E, NULL
, HFILL
} },
455 { &hf_dvb_ait_current_next_indicator
,
456 { "Current/Next Indicator", "dvb_ait.cur_next_ind",
457 FT_UINT8
, BASE_DEC
, NULL
, 0x01, NULL
, HFILL
} },
458 { &hf_dvb_ait_section_number
,
459 { "Section Number", "dvb_ait.sect_num",
460 FT_UINT8
, BASE_DEC
, NULL
, 0, NULL
, HFILL
} },
461 { &hf_dvb_ait_last_section_number
,
462 { "Last Section Number", "dvb_ait.last_sect_num",
463 FT_UINT8
, BASE_DEC
, NULL
, 0, NULL
, HFILL
} },
464 { &hf_dvb_ait_descr_loop_len
,
465 { "Descriptor loop length", "dvb_ait.descr_loop_len",
466 FT_UINT16
, BASE_DEC
, NULL
, 0x0FFF, NULL
, HFILL
} },
467 { &hf_dvb_ait_descr_tag
,
468 { "Descriptor Tag", "dvb_ait.descr.tag",
469 FT_UINT8
, BASE_HEX
, VALS(ait_descr_tag
), 0, NULL
, HFILL
} },
470 { &hf_dvb_ait_descr_len
,
471 { "Descriptor Length", "dvb_ait.descr.len",
472 FT_UINT8
, BASE_DEC
, NULL
, 0, NULL
, HFILL
} },
473 { &hf_dvb_ait_descr_data
,
474 { "Descriptor Data", "dvb_ait.descr.data",
475 FT_BYTES
, BASE_NONE
, NULL
, 0, NULL
, HFILL
} },
476 { &hf_dvb_ait_descr_app_prof_len
,
477 { "Application profiles length", "dvb_ait.descr.app.prof_len",
478 FT_UINT8
, BASE_DEC
, NULL
, 0, NULL
, HFILL
} },
479 { &hf_dvb_ait_descr_app_prof
,
480 { "Application profile", "dvb_ait.descr.app.prof",
481 FT_UINT16
, BASE_HEX
, NULL
, 0, NULL
, HFILL
} },
482 /* version is major|minor|micro */
483 { &hf_dvb_ait_descr_app_ver
,
484 { "Version", "dvb_ait.descr.app.ver",
485 FT_UINT24
, BASE_HEX
, NULL
, 0, NULL
, HFILL
} },
486 { &hf_dvb_ait_descr_app_svc_bound
,
487 { "Service-bound flag", "dvb_ait.descr.app.svc_bound_flag",
488 FT_UINT8
, BASE_HEX
, NULL
, 0x80, NULL
, HFILL
} },
489 { &hf_dvb_ait_descr_app_vis
,
490 { "Visibility", "dvb_ait.descr.app.visibility",
491 FT_UINT8
, BASE_HEX
, VALS(app_vis
), 0x60, NULL
, HFILL
} },
492 { &hf_dvb_ait_descr_app_prio
,
493 { "Application priority", "dvb_ait.descr.app.prio",
494 FT_UINT8
, BASE_HEX
, NULL
, 0, NULL
, HFILL
} },
495 { &hf_dvb_ait_descr_app_trpt_proto_label
,
496 { "Transport protocol label", "dvb_ait.descr.app.trpt_proto_label",
497 FT_UINT8
, BASE_HEX
, NULL
, 0, NULL
, HFILL
} },
498 { &hf_dvb_ait_descr_app_name_lang
,
499 { "ISO 639 language code", "dvb_ait.descr.app_name.lang",
500 FT_STRING
, BASE_NONE
, NULL
, 0, NULL
, HFILL
} },
501 { &hf_dvb_ait_descr_app_name_name
,
502 { "Application name", "dvb_ait.descr.app_name.name",
503 FT_UINT_STRING
, BASE_NONE
, NULL
, 0, NULL
, HFILL
} },
504 { &hf_dvb_ait_descr_trpt_proto_id
,
505 { "Protocol ID", "dvb_ait.descr.trpt_proto.id",
506 FT_UINT16
, BASE_HEX
, VALS(trpt_proto_id
), 0, NULL
, HFILL
} },
507 { &hf_dvb_ait_descr_trpt_proto_label
,
508 { "Transport protocol label", "dvb_ait.descr.trpt_proto.label",
509 FT_UINT8
, BASE_HEX
, NULL
, 0, NULL
, HFILL
} },
510 { &hf_dvb_ait_descr_trpt_sel_remote
,
511 { "Remote connection", "dvb_ait.descr.trpt_proto.remote",
512 FT_UINT8
, BASE_HEX
, NULL
, 0x80, NULL
, HFILL
} },
513 { &hf_dvb_ait_descr_trpt_sel_onid
,
514 { "Original network ID", "dvb_ait.descr.trpt_proto.onid",
515 FT_UINT16
, BASE_HEX
, NULL
, 0, NULL
, HFILL
} },
516 { &hf_dvb_ait_descr_trpt_sel_tsid
,
517 { "Transport stream ID", "dvb_ait.descr.trpt_proto.tsid",
518 FT_UINT16
, BASE_HEX
, NULL
, 0, NULL
, HFILL
} },
519 { &hf_dvb_ait_descr_trpt_sel_svcid
,
520 { "Service ID", "dvb_ait.descr.trpt_proto.svcid",
521 FT_UINT16
, BASE_HEX
, NULL
, 0, NULL
, HFILL
} },
522 { &hf_dvb_ait_descr_trpt_sel_comp
,
523 { "Component tag", "dvb_ait.descr.trpt_proto.comp_tag",
524 FT_UINT8
, BASE_HEX
, NULL
, 0, NULL
, HFILL
} },
525 { &hf_dvb_ait_descr_trpt_sel_url_base
,
526 { "URL base", "dvb_ait.descr.trpt_proto.url_base",
527 FT_UINT_STRING
, BASE_NONE
, NULL
, 0, NULL
, HFILL
} },
528 { &hf_dvb_ait_descr_trpt_sel_url_ext_cnt
,
529 { "URL extension count", "dvb_ait.descr.trpt_proto.url_ext_cnt",
530 FT_UINT8
, BASE_DEC
, NULL
, 0, NULL
, HFILL
} },
531 { &hf_dvb_ait_descr_trpt_sel_url_ext
,
532 { "URL extension", "dvb_ait.descr.trpt_proto.url_ext",
533 FT_UINT_STRING
, BASE_NONE
, NULL
, 0, NULL
, HFILL
} },
534 { &hf_dvb_ait_descr_trpt_sel_bytes
,
535 { "Selector bytes", "dvb_ait.descr.trpt_proto.selector_bytes",
536 FT_BYTES
, BASE_NONE
, NULL
, 0, NULL
, HFILL
} },
537 { &hf_dvb_ait_descr_sal_init_path
,
538 { "Initial path", "dvb_ait.descr.sim_app_loc.initial_path",
539 FT_STRING
, BASE_NONE
, NULL
, 0, NULL
, HFILL
} },
540 { &hf_dvb_ait_app_loop_len
,
541 { "Application loop length", "dvb_ait.app_loop_len",
542 FT_UINT16
, BASE_DEC
, NULL
, 0x0FFF, NULL
, HFILL
} },
543 { &hf_dvb_ait_org_id
,
544 { "Organisation ID", "dvb_ait.app.org_id",
545 FT_UINT32
, BASE_HEX
, NULL
, 0, NULL
, HFILL
} },
546 { &hf_dvb_ait_app_id
,
547 { "Application ID", "dvb_ait.app.app_id",
548 FT_UINT16
, BASE_HEX
, NULL
, 0, NULL
, HFILL
} },
549 { &hf_dvb_ait_app_ctrl_code
,
550 { "Application control code", "dvb_ait.app.ctrl_code",
551 FT_UINT8
, BASE_HEX
, VALS(app_ctrl_code
), 0, NULL
, HFILL
} }
554 proto_dvb_ait
= proto_register_protocol("DVB Application Information Table", "DVB AIT", "dvb_ait");
556 proto_register_field_array(proto_dvb_ait
, hf
, array_length(hf
));
557 proto_register_subtree_array(ett
, array_length(ett
));
559 dvb_ait_handle
= register_dissector("dvb_ait", dissect_dvb_ait
, proto_dvb_ait
);
564 proto_reg_handoff_dvb_ait(void)
566 dissector_add_uint("mpeg_sect.tid", DVB_AIT_TID
, dvb_ait_handle
);
570 * Editor modelines - https://www.wireshark.org/tools/modelines.html
575 * indent-tabs-mode: nil
578 * vi: set shiftwidth=4 tabstop=8 expandtab:
579 * :indentSize=4:tabSize=8:noTabs=true: