/src/wireshark/epan/dissectors/packet-batadv.c
Line | Count | Source |
1 | | /* packet-batadv.c |
2 | | * Routines for B.A.T.M.A.N. Advanced dissection |
3 | | * Copyright 2008-2010 Sven Eckelmann <sven@narfation.org> |
4 | | * |
5 | | * Wireshark - Network traffic analyzer |
6 | | * By Gerald Combs <gerald@wireshark.org> |
7 | | * Copyright 1998 Gerald Combs |
8 | | * |
9 | | * SPDX-License-Identifier: GPL-2.0-or-later |
10 | | */ |
11 | | |
12 | | #include "config.h" |
13 | | |
14 | | #include <epan/packet.h> |
15 | | #include <epan/prefs.h> |
16 | | #include <epan/tap.h> |
17 | | #include <epan/addr_resolv.h> |
18 | | #include <epan/reassemble.h> |
19 | | #include <epan/expert.h> |
20 | | #include <epan/tfs.h> |
21 | | #include <epan/unit_strings.h> |
22 | | |
23 | | #include <wsutil/crc32.h> |
24 | | |
25 | | /* Start content from packet-batadv.h */ |
26 | | #define ETH_P_BATMAN 0x4305 |
27 | | |
28 | 92 | #define BATADV_PACKET_V5 0x01 |
29 | 9 | #define BATADV_ICMP_V5 0x02 |
30 | 0 | #define BATADV_UNICAST_V5 0x03 |
31 | 0 | #define BATADV_BCAST_V5 0x04 |
32 | 18 | #define BATADV_VIS_V5 0x05 |
33 | 1 | #define BATADV_UNICAST_FRAG_V12 0x06 |
34 | 19 | #define BATADV_TT_QUERY_V14 0x07 |
35 | | #define BATADV_ROAM_ADV_V14 0x08 |
36 | 1 | #define BATADV_ROAM_ADV_V14 0x08 |
37 | 0 | #define BATADV_UNICAST_4ADDR_V14 0x09 |
38 | | |
39 | 0 | #define BATADV_IV_OGM_V15 0x00 |
40 | 1 | #define BATADV_BCAST_V15 0x01 |
41 | 0 | #define BATADV_CODED_V15 0x02 |
42 | 0 | #define BATADV_ELP_V15 0x03 |
43 | 1 | #define BATADV_OGM2_V15 0x04 |
44 | 0 | #define BATADV_UNICAST_V15 0x40 |
45 | 0 | #define BATADV_UNICAST_FRAG_V15 0x41 |
46 | 0 | #define BATADV_UNICAST_4ADDR_V15 0x42 |
47 | 0 | #define BATADV_ICMP_V15 0x43 |
48 | 0 | #define BATADV_UNICAST_TVLV_V15 0x44 |
49 | | |
50 | 0 | #define BATADV_TVLV_V15_GW 0x01 |
51 | 0 | #define BATADV_TVLV_V15_DAT 0x02 |
52 | 0 | #define BATADV_TVLV_V15_NC 0x03 |
53 | 0 | #define BATADV_TVLV_V15_TT 0x04 |
54 | 0 | #define BATADV_TVLV_V15_ROAM 0x05 |
55 | 0 | #define BATADV_TVLV_V15_MCAST 0x06 |
56 | | |
57 | | #define ECHO_REPLY 0 |
58 | | #define DESTINATION_UNREACHABLE 3 |
59 | | #define ECHO_REQUEST 8 |
60 | | #define TTL_EXCEEDED 11 |
61 | 0 | #define BATADV_TP 15 |
62 | | |
63 | 22 | #define TT_TYPE_MASK 0x3 |
64 | 2 | #define TT_REQUEST 0 |
65 | 14 | #define TT_RESPONSE 1 |
66 | | |
67 | 16 | #define TT_FULL_TABLE 0x04 |
68 | | |
69 | 16 | #define TT_CHANGE_DEL 0x01 |
70 | 16 | #define TT_CLIENT_ROAM 0x02 |
71 | | |
72 | 45 | #define BAT_RR_LEN 16 |
73 | | |
74 | | #define UNICAST_4ADDR_DATA 0x01 |
75 | | #define UNICAST_4ADDR_DAT_DHT_GET 0x02 |
76 | | #define UNICAST_4ADDR_DAT_DHT_PUT 0x03 |
77 | | #define UNICAST_4ADDR_DAT_CACHE_REPLY 0x04 |
78 | | |
79 | 16 | #define BATADV_TVLVL_TT_TYPE_MASK 0x0F |
80 | | #define BATADV_TVLVL_TT_OGM_DIFF 0x01 |
81 | | #define BATADV_TVLVL_TT_REQUEST 0x02 |
82 | 0 | #define BATADV_TVLVL_TT_RESPONSE 0x04 |
83 | 16 | #define BATADV_TVLVL_TT_FULL_TABLE 0x10 |
84 | | |
85 | 16 | #define BATADV_TVLVL_TT_CHANGE_DEL 0x01 |
86 | 16 | #define BATADV_TVLVL_TT_CHANGE_ROAM 0x02 |
87 | 16 | #define BATADV_TVLVL_TT_CHANGE_WIFI 0x10 |
88 | 16 | #define BATADV_TVLVL_TT_CHANGE_ISOLATE 0x20 |
89 | | |
90 | | struct batman_packet_v5 { |
91 | | uint8_t packet_type; |
92 | | uint8_t version; /* batman version field */ |
93 | | uint8_t flags; /* 0x40: DIRECTLINK flag, 0x20 VIS_SERVER flag... */ |
94 | | uint8_t ttl; |
95 | | uint8_t gwflags; /* flags related to gateway functions: gateway class */ |
96 | | uint8_t tq; |
97 | | uint16_t seqno; |
98 | | address orig; |
99 | | address prev_sender; |
100 | | uint8_t num_tt; |
101 | | uint8_t pad; |
102 | | }; |
103 | 31 | #define BATMAN_PACKET_V5_SIZE 22 |
104 | | |
105 | | struct batman_packet_v7 { |
106 | | uint8_t packet_type; |
107 | | uint8_t version; /* batman version field */ |
108 | | uint8_t flags; /* 0x40: DIRECTLINK flag, 0x20 VIS_SERVER flag... */ |
109 | | uint8_t tq; |
110 | | uint16_t seqno; |
111 | | address orig; |
112 | | address prev_sender; |
113 | | uint8_t ttl; |
114 | | uint8_t num_tt; |
115 | | }; |
116 | 9 | #define BATMAN_PACKET_V7_SIZE 20 |
117 | | |
118 | | struct batman_packet_v9 { |
119 | | uint8_t packet_type; |
120 | | uint8_t version; /* batman version field */ |
121 | | uint8_t flags; /* 0x40: DIRECTLINK flag, 0x20 VIS_SERVER flag... */ |
122 | | uint8_t tq; |
123 | | uint16_t seqno; |
124 | | address orig; |
125 | | address prev_sender; |
126 | | uint8_t ttl; |
127 | | uint8_t num_tt; |
128 | | uint8_t gwflags; |
129 | | uint8_t pad; |
130 | | }; |
131 | 0 | #define BATMAN_PACKET_V9_SIZE 22 |
132 | | |
133 | | struct batman_packet_v10 { |
134 | | uint8_t packet_type; |
135 | | uint8_t version; /* batman version field */ |
136 | | uint8_t flags; /* 0x40: DIRECTLINK flag, 0x20 VIS_SERVER flag... */ |
137 | | uint8_t tq; |
138 | | uint32_t seqno; |
139 | | address orig; |
140 | | address prev_sender; |
141 | | uint8_t ttl; |
142 | | uint8_t num_tt; |
143 | | uint8_t gwflags; |
144 | | uint8_t pad; |
145 | | }; |
146 | 20 | #define BATMAN_PACKET_V10_SIZE 24 |
147 | | |
148 | | struct batman_packet_v11 { |
149 | | uint8_t packet_type; |
150 | | uint8_t version; /* batman version field */ |
151 | | uint8_t flags; /* 0x40: DIRECTLINK flag, 0x20 VIS_SERVER flag... */ |
152 | | uint8_t tq; |
153 | | uint32_t seqno; |
154 | | address orig; |
155 | | address prev_sender; |
156 | | uint8_t ttl; |
157 | | uint8_t num_tt; |
158 | | }; |
159 | 6 | #define BATMAN_PACKET_V11_SIZE 22 |
160 | | |
161 | | struct batman_packet_v14 { |
162 | | uint8_t packet_type; |
163 | | uint8_t version; /* batman version field */ |
164 | | uint8_t ttl; |
165 | | uint8_t flags; /* 0x40: DIRECTLINK flag, 0x20 VIS_SERVER flag... */ |
166 | | uint32_t seqno; |
167 | | address orig; |
168 | | address prev_sender; |
169 | | uint8_t gw_flags; /* flags related to gateway class */ |
170 | | uint8_t tq; |
171 | | uint8_t tt_num_changes; |
172 | | uint8_t ttvn; /* translation table version number */ |
173 | | uint16_t tt_crc; |
174 | | }; |
175 | 4 | #define BATMAN_PACKET_V14_SIZE 26 |
176 | | |
177 | | struct iv_ogm_packet_v15 { |
178 | | uint8_t packet_type; |
179 | | uint8_t version; /* batman version field */ |
180 | | uint8_t ttl; |
181 | | uint8_t flags; |
182 | | uint32_t seqno; |
183 | | address orig; |
184 | | address prev_sender; |
185 | | uint8_t reserved; |
186 | | uint8_t tq; |
187 | | uint16_t tvlv_len; |
188 | | }; |
189 | 0 | #define IV_OGM_PACKET_V15_SIZE 24 |
190 | | |
191 | | struct elp_packet_v15 { |
192 | | uint8_t packet_type; |
193 | | uint8_t version; |
194 | | address orig; |
195 | | uint32_t seqno; |
196 | | uint32_t interval; |
197 | | }; |
198 | 0 | #define ELP_PACKET_V15_SIZE 16 |
199 | | |
200 | | struct ogm2_packet_v15 { |
201 | | uint8_t packet_type; |
202 | | uint8_t version; |
203 | | uint8_t ttl; |
204 | | uint8_t flags; |
205 | | uint32_t seqno; |
206 | | address orig; |
207 | | uint16_t tvlv_len; |
208 | | uint32_t throughput; |
209 | | }; |
210 | 0 | #define OGM2_PACKET_V15_SIZE 20 |
211 | | |
212 | | struct icmp_packet_v6 { |
213 | | uint8_t packet_type; |
214 | | uint8_t version; /* batman version field */ |
215 | | uint8_t msg_type; /* 0 = ECHO REPLY, 3 = DESTINATION_UNREACHABLE, 8 = ECHO_REQUEST, 11 = TTL exceeded */ |
216 | | address dst; |
217 | | address orig; |
218 | | uint8_t ttl; |
219 | | uint8_t uid; |
220 | | uint16_t seqno; |
221 | | }; |
222 | 0 | #define ICMP_PACKET_V6_SIZE 19 |
223 | | |
224 | | struct icmp_packet_v7 { |
225 | | uint8_t packet_type; |
226 | | uint8_t version; /* batman version field */ |
227 | | uint8_t msg_type; /* 0 = ECHO REPLY, 3 = DESTINATION_UNREACHABLE, 8 = ECHO_REQUEST, 11 = TTL exceeded */ |
228 | | uint8_t ttl; |
229 | | address dst; |
230 | | address orig; |
231 | | uint16_t seqno; |
232 | | uint8_t uid; |
233 | | }; |
234 | 3 | #define ICMP_PACKET_V7_SIZE 19 |
235 | | |
236 | | struct icmp_packet_v14 { |
237 | | uint8_t packet_type; |
238 | | uint8_t version; /* batman version field */ |
239 | | uint8_t ttl; |
240 | | uint8_t msg_type; /* see ICMP message types above */ |
241 | | address dst; |
242 | | address orig; |
243 | | uint16_t seqno; |
244 | | uint8_t uid; |
245 | | uint8_t reserved; |
246 | | }; |
247 | 0 | #define ICMP_PACKET_V14_SIZE 20 |
248 | | |
249 | | struct icmp_packet_v15 { |
250 | | uint8_t packet_type; |
251 | | uint8_t version; /* batman version field */ |
252 | | uint8_t ttl; |
253 | | uint8_t msg_type; /* see ICMP message types above */ |
254 | | address dst; |
255 | | address orig; |
256 | | uint8_t uid; |
257 | | uint8_t rr_ptr; |
258 | | uint16_t seqno; |
259 | | }; |
260 | | #define ICMP_PACKET_V15_SIZE 20 |
261 | | |
262 | | struct icmp_tp_packet_v15 { |
263 | | uint8_t packet_type; |
264 | | uint8_t version; /* batman version field */ |
265 | | uint8_t ttl; |
266 | | uint8_t msg_type; /* see ICMP message types above */ |
267 | | address dst; |
268 | | address orig; |
269 | | uint8_t uid; |
270 | | uint8_t subtype; |
271 | | uint16_t session; |
272 | | uint32_t seqno; |
273 | | uint32_t timestamp; |
274 | | }; |
275 | | #define ICMP_TP_PACKET_V15_SIZE 28 |
276 | | |
277 | | struct unicast_packet_v6 { |
278 | | uint8_t packet_type; |
279 | | uint8_t version; |
280 | | address dest; |
281 | | uint8_t ttl; |
282 | | }; |
283 | 0 | #define UNICAST_PACKET_V6_SIZE 9 |
284 | | |
285 | | struct unicast_packet_v14 { |
286 | | uint8_t packet_type; |
287 | | uint8_t version; /* batman version field */ |
288 | | uint8_t ttl; |
289 | | uint8_t ttvn; /* destination translation table version number */ |
290 | | address dest; |
291 | | }; |
292 | 0 | #define UNICAST_PACKET_V14_SIZE 10 |
293 | | |
294 | | struct unicast_4addr_packet_v14 { |
295 | | uint8_t packet_type; |
296 | | uint8_t version; /* batman version field */ |
297 | | uint8_t ttl; |
298 | | uint8_t ttvn; /* destination translation table version number */ |
299 | | address dest; |
300 | | address src; |
301 | | uint8_t subtype; |
302 | | uint8_t reserved; |
303 | | }; |
304 | 0 | #define UNICAST_4ADDR_PACKET_V14_SIZE 18 |
305 | | |
306 | | struct unicast_frag_packet_v12 { |
307 | | uint8_t packet_type; |
308 | | uint8_t version; |
309 | | address dest; |
310 | | uint8_t ttl; |
311 | | uint8_t flags; |
312 | | address orig; |
313 | | uint16_t seqno; |
314 | | }; |
315 | 0 | #define UNICAST_FRAG_PACKET_V12_SIZE 18 |
316 | | |
317 | | struct unicast_frag_packet_v14 { |
318 | | uint8_t packet_type; |
319 | | uint8_t version; /* batman version field */ |
320 | | uint8_t ttl; |
321 | | uint8_t ttvn; /* destination translation table version number */ |
322 | | address dest; |
323 | | uint8_t flags; |
324 | | uint8_t align; |
325 | | address orig; |
326 | | uint16_t seqno; |
327 | | }; |
328 | 0 | #define UNICAST_FRAG_PACKET_V14_SIZE 20 |
329 | | |
330 | | struct unicast_frag_packet_v15 { |
331 | | uint8_t packet_type; |
332 | | uint8_t version; /* batman version field */ |
333 | | uint8_t ttl; |
334 | | uint8_t no; /* only upper 4 bit are used */ |
335 | | address dest; |
336 | | address orig; |
337 | | uint16_t seqno; |
338 | | uint16_t total_size; |
339 | | }; |
340 | 0 | #define UNICAST_FRAG_PACKET_V15_SIZE 20 |
341 | | |
342 | | struct bcast_packet_v6 { |
343 | | uint8_t packet_type; |
344 | | uint8_t version; /* batman version field */ |
345 | | address orig; |
346 | | uint16_t seqno; |
347 | | }; |
348 | 0 | #define BCAST_PACKET_V6_SIZE 10 |
349 | | |
350 | | struct bcast_packet_v10 { |
351 | | uint8_t packet_type; |
352 | | uint8_t version; /* batman version field */ |
353 | | address orig; |
354 | | uint8_t ttl; |
355 | | uint32_t seqno; |
356 | | }; |
357 | 0 | #define BCAST_PACKET_V10_SIZE 13 |
358 | | |
359 | | struct bcast_packet_v14 { |
360 | | uint8_t packet_type; |
361 | | uint8_t version; /* batman version field */ |
362 | | uint8_t ttl; |
363 | | uint8_t reserved; |
364 | | uint32_t seqno; |
365 | | address orig; |
366 | | }; |
367 | 0 | #define BCAST_PACKET_V14_SIZE 14 |
368 | | |
369 | | struct vis_packet_v6 { |
370 | | uint8_t packet_type; |
371 | | uint8_t version; /* batman version field */ |
372 | | uint8_t vis_type; /* which type of vis-participant sent this? */ |
373 | | uint8_t seqno; /* sequence number */ |
374 | | uint8_t entries; /* number of entries behind this struct */ |
375 | | uint8_t ttl; /* TTL */ |
376 | | address vis_orig; /* originator that informs about its neighbours */ |
377 | | address target_orig; /* who should receive this packet */ |
378 | | address sender_orig; /* who sent or rebroadcasted this packet */ |
379 | | }; |
380 | 6 | #define VIS_PACKET_V6_SIZE 24 |
381 | | |
382 | | struct vis_packet_v10 { |
383 | | uint8_t packet_type; |
384 | | uint8_t version; /* batman version field */ |
385 | | uint8_t vis_type; /* which type of vis-participant sent this? */ |
386 | | uint8_t entries; /* number of entries behind this struct */ |
387 | | uint32_t seqno; /* sequence number */ |
388 | | uint8_t ttl; /* TTL */ |
389 | | address vis_orig; /* originator that informs about its neighbours */ |
390 | | address target_orig; /* who should receive this packet */ |
391 | | address sender_orig; /* who sent or rebroadcasted this packet */ |
392 | | }; |
393 | 0 | #define VIS_PACKET_V10_SIZE 27 |
394 | | |
395 | | struct vis_packet_v14 { |
396 | | uint8_t packet_type; |
397 | | uint8_t version; /* batman version field */ |
398 | | uint8_t ttl; /* TTL */ |
399 | | uint8_t vis_type; /* which type of vis-participant sent this? */ |
400 | | uint32_t seqno; /* sequence number */ |
401 | | uint8_t entries; /* number of entries behind this struct */ |
402 | | uint8_t reserved; |
403 | | address vis_orig; /* originator that announces its neighbors */ |
404 | | address target_orig; /* who should receive this packet */ |
405 | | address sender_orig; /* who sent or rebroadcasted this packet */ |
406 | | }; |
407 | 0 | #define VIS_PACKET_V14_SIZE 28 |
408 | | |
409 | 0 | #define VIS_ENTRY_V6_SIZE 7 |
410 | 81 | #define VIS_ENTRY_V8_SIZE 13 |
411 | | |
412 | | #define VIS_TYPE_SERVER_SYNC 0 |
413 | | #define VIS_TYPE_CLIENT_UPDATE 1 |
414 | | |
415 | | struct tt_query_packet_v14 { |
416 | | uint8_t packet_type; |
417 | | uint8_t version; /* batman version field */ |
418 | | uint8_t ttl; |
419 | | uint8_t flags; |
420 | | address dst; |
421 | | address src; |
422 | | uint8_t ttvn; |
423 | | uint16_t tt_data; |
424 | | }; |
425 | 6 | #define TT_QUERY_PACKET_V14_SIZE 19 |
426 | | |
427 | 315 | #define TT_ENTRY_V14_SIZE 7 |
428 | | |
429 | | struct roam_adv_packet_v14 { |
430 | | uint8_t packet_type; |
431 | | uint8_t version; |
432 | | uint8_t ttl; |
433 | | uint8_t reserved; |
434 | | address dst; |
435 | | address src; |
436 | | address client; |
437 | | }; |
438 | 0 | #define ROAM_ADV_PACKET_V14_SIZE 22 |
439 | | |
440 | | struct coded_packet_v15 { |
441 | | uint8_t packet_type; |
442 | | uint8_t version; /* batman version field */ |
443 | | uint8_t ttl; |
444 | | uint8_t first_ttvn; |
445 | | address first_source; |
446 | | address first_orig_dest; |
447 | | uint32_t first_crc; |
448 | | uint8_t second_ttl; |
449 | | uint8_t second_ttvn; |
450 | | address second_dest; |
451 | | address second_source; |
452 | | address second_orig_dest; |
453 | | uint32_t second_crc; |
454 | | uint16_t coded_len; |
455 | | }; |
456 | 0 | #define CODED_PACKET_V15_SIZE 46 |
457 | | |
458 | | struct unicast_tvlv_packet_v15 { |
459 | | uint8_t packet_type; |
460 | | uint8_t version; /* batman version field */ |
461 | | uint8_t ttl; |
462 | | uint8_t reserved; |
463 | | address dest; |
464 | | address src; |
465 | | uint16_t tvlv_len; |
466 | | uint16_t align; |
467 | | }; |
468 | 0 | #define UNICAST_TVLV_PACKET_V15_SIZE 20 |
469 | | |
470 | 0 | #define TLVLV_TT_VLAN_V15_SIZE 8 |
471 | 0 | #define TLVLV_TT_CHANGE_V15_SIZE 12 |
472 | | |
473 | | /* End content from packet-batadv.h */ |
474 | | |
475 | | /* trees */ |
476 | | static int ett_batadv_batman; |
477 | | static int ett_batadv_batman_flags; |
478 | | static int ett_batadv_batman_gwflags; |
479 | | static int ett_batadv_batman_tt; |
480 | | static int ett_batadv_iv_ogm; |
481 | | static int ett_batadv_iv_ogm_flags; |
482 | | static int ett_batadv_elp; |
483 | | static int ett_batadv_ogm2; |
484 | | //static int ett_batadv_ogm2_flags; |
485 | | static int ett_batadv_bcast; |
486 | | static int ett_batadv_icmp; |
487 | | static int ett_batadv_icmp_rr; |
488 | | static int ett_batadv_unicast; |
489 | | static int ett_batadv_unicast_4addr; |
490 | | static int ett_batadv_unicast_frag; |
491 | | static int ett_batadv_unicast_tvlv; |
492 | | static int ett_batadv_vis; |
493 | | static int ett_batadv_vis_entry; |
494 | | static int ett_batadv_tt_query; |
495 | | static int ett_batadv_tt_query_flags; |
496 | | static int ett_batadv_tt_entry; |
497 | | static int ett_batadv_tt_entry_flags; |
498 | | static int ett_batadv_roam_adv; |
499 | | static int ett_batadv_coded; |
500 | | static int ett_batadv_tvlv; |
501 | | static int ett_batadv_tvlv_mcast_flags; |
502 | | static int ett_batadv_tvlv_vid; |
503 | | static int ett_batadv_tvlv_tt_flags; |
504 | | static int ett_batadv_tvlv_tt_vlan; |
505 | | static int ett_batadv_tvlv_tt_change; |
506 | | static int ett_msg_fragment; |
507 | | static int ett_msg_fragments; |
508 | | |
509 | | static expert_field ei_batadv_too_deep; |
510 | | static expert_field ei_batadv_tvlv_unknown_version; |
511 | | static expert_field ei_batadv_tvlv_tt_vlan_crc; |
512 | | static expert_field ei_batadv_tvlv_tt_vlan_empty; |
513 | | |
514 | | /* hfs */ |
515 | | static int hf_batadv_packet_type; |
516 | | |
517 | | static int hf_batadv_batman_version; |
518 | | static int hf_batadv_batman_flags; |
519 | | static int hf_batadv_batman_ttl; |
520 | | static int hf_batadv_batman_gwflags; |
521 | | static int hf_batadv_batman_gwflags_dl_speed; |
522 | | static int hf_batadv_batman_gwflags_ul_speed; |
523 | | static int hf_batadv_batman_tq; |
524 | | static int hf_batadv_batman_seqno; |
525 | | static int hf_batadv_batman_seqno32; |
526 | | static int hf_batadv_batman_orig; |
527 | | static int hf_batadv_batman_prev_sender; |
528 | | static int hf_batadv_batman_num_tt; |
529 | | static int hf_batadv_batman_tt_num_changes; |
530 | | static int hf_batadv_batman_ttvn; |
531 | | static int hf_batadv_batman_tt_crc; |
532 | | static int hf_batadv_batman_tt; |
533 | | |
534 | | static int hf_batadv_iv_ogm_version; |
535 | | static int hf_batadv_iv_ogm_ttl; |
536 | | static int hf_batadv_iv_ogm_flags; |
537 | | static int hf_batadv_iv_ogm_seqno; |
538 | | static int hf_batadv_iv_ogm_orig; |
539 | | static int hf_batadv_iv_ogm_prev_sender; |
540 | | static int hf_batadv_iv_ogm_tq; |
541 | | static int hf_batadv_iv_ogm_tvlv_len; |
542 | | |
543 | | static int hf_batadv_elp_version; |
544 | | static int hf_batadv_elp_orig; |
545 | | static int hf_batadv_elp_seqno; |
546 | | static int hf_batadv_elp_interval; |
547 | | |
548 | | static int hf_batadv_ogm2_version; |
549 | | static int hf_batadv_ogm2_ttl; |
550 | | static int hf_batadv_ogm2_flags; |
551 | | static int hf_batadv_ogm2_seqno; |
552 | | static int hf_batadv_ogm2_orig; |
553 | | static int hf_batadv_ogm2_tvlv_len; |
554 | | static int hf_batadv_ogm2_throughput; |
555 | | |
556 | | static int hf_batadv_bcast_version; |
557 | | static int hf_batadv_bcast_orig; |
558 | | static int hf_batadv_bcast_seqno; |
559 | | static int hf_batadv_bcast_seqno32; |
560 | | static int hf_batadv_bcast_ttl; |
561 | | |
562 | | static int hf_batadv_icmp_version; |
563 | | static int hf_batadv_icmp_msg_type; |
564 | | static int hf_batadv_icmp_dst; |
565 | | static int hf_batadv_icmp_orig; |
566 | | static int hf_batadv_icmp_ttl; |
567 | | static int hf_batadv_icmp_uid; |
568 | | static int hf_batadv_icmp_seqno; |
569 | | |
570 | | static int hf_batadv_icmp_rr_pointer; |
571 | | static int hf_batadv_icmp_rr_ether; |
572 | | |
573 | | static int hf_batadv_icmp_tp_subtype; |
574 | | static int hf_batadv_icmp_tp_session; |
575 | | static int hf_batadv_icmp_tp_seqno; |
576 | | static int hf_batadv_icmp_tp_timestamp; |
577 | | |
578 | | static int hf_batadv_unicast_version; |
579 | | static int hf_batadv_unicast_dst; |
580 | | static int hf_batadv_unicast_ttl; |
581 | | static int hf_batadv_unicast_ttvn; |
582 | | |
583 | | static int hf_batadv_unicast_4addr_version; |
584 | | static int hf_batadv_unicast_4addr_dst; |
585 | | static int hf_batadv_unicast_4addr_ttl; |
586 | | static int hf_batadv_unicast_4addr_ttvn; |
587 | | static int hf_batadv_unicast_4addr_src; |
588 | | static int hf_batadv_unicast_4addr_subtype; |
589 | | |
590 | | static int hf_batadv_unicast_frag_version; |
591 | | static int hf_batadv_unicast_frag_dst; |
592 | | static int hf_batadv_unicast_frag_ttl; |
593 | | static int hf_batadv_unicast_frag_ttvn; |
594 | | static int hf_batadv_unicast_frag_flags; |
595 | | static int hf_batadv_unicast_frag_orig; |
596 | | static int hf_batadv_unicast_frag_seqno; |
597 | | static int hf_batadv_unicast_frag_no; |
598 | | static int hf_batadv_unicast_frag_priority; |
599 | | static int hf_batadv_unicast_frag_total_size; |
600 | | |
601 | | static int hf_batadv_unicast_tvlv_version; |
602 | | static int hf_batadv_unicast_tvlv_ttl; |
603 | | static int hf_batadv_unicast_tvlv_dst; |
604 | | static int hf_batadv_unicast_tvlv_src; |
605 | | static int hf_batadv_unicast_tvlv_len; |
606 | | |
607 | | static int hf_batadv_vis_version; |
608 | | static int hf_batadv_vis_type; |
609 | | static int hf_batadv_vis_seqno; |
610 | | static int hf_batadv_vis_seqno32; |
611 | | static int hf_batadv_vis_entries; |
612 | | static int hf_batadv_vis_ttl; |
613 | | static int hf_batadv_vis_vis_orig; |
614 | | static int hf_batadv_vis_target_orig; |
615 | | static int hf_batadv_vis_sender_orig; |
616 | | static int hf_batadv_vis_entry_src; |
617 | | static int hf_batadv_vis_entry_dst; |
618 | | static int hf_batadv_vis_entry_quality; |
619 | | |
620 | | static int hf_batadv_tt_query_version; |
621 | | static int hf_batadv_tt_query_ttl; |
622 | | static int hf_batadv_tt_query_flags; |
623 | | static int hf_batadv_tt_query_flags_type; |
624 | | static int hf_batadv_tt_query_flags_full_table; |
625 | | static int hf_batadv_tt_query_dst; |
626 | | static int hf_batadv_tt_query_src; |
627 | | static int hf_batadv_tt_query_ttvn; |
628 | | static int hf_batadv_tt_query_tt_crc; |
629 | | static int hf_batadv_tt_query_entries; |
630 | | static int hf_batadv_tt_entry; |
631 | | static int hf_batadv_tt_entry_flags; |
632 | | static int hf_batadv_tt_entry_flags_change_del; |
633 | | static int hf_batadv_tt_entry_flags_client_roam; |
634 | | |
635 | | static int hf_batadv_roam_adv_version; |
636 | | static int hf_batadv_roam_adv_ttl; |
637 | | static int hf_batadv_roam_adv_dst; |
638 | | static int hf_batadv_roam_adv_src; |
639 | | static int hf_batadv_roam_adv_client; |
640 | | |
641 | | static int hf_batadv_coded_version; |
642 | | static int hf_batadv_coded_ttl; |
643 | | static int hf_batadv_coded_first_ttvn; |
644 | | static int hf_batadv_coded_first_source; |
645 | | static int hf_batadv_coded_first_orig_dest; |
646 | | static int hf_batadv_coded_first_crc; |
647 | | static int hf_batadv_coded_second_ttl; |
648 | | static int hf_batadv_coded_second_ttvn; |
649 | | static int hf_batadv_coded_second_dest; |
650 | | static int hf_batadv_coded_second_source; |
651 | | static int hf_batadv_coded_second_orig_dest; |
652 | | static int hf_batadv_coded_second_crc; |
653 | | static int hf_batadv_coded_coded_len; |
654 | | |
655 | | static int hf_msg_fragments; |
656 | | static int hf_msg_fragment; |
657 | | static int hf_msg_fragment_overlap; |
658 | | static int hf_msg_fragment_overlap_conflicts; |
659 | | static int hf_msg_fragment_multiple_tails; |
660 | | static int hf_msg_fragment_too_long_fragment; |
661 | | static int hf_msg_fragment_error; |
662 | | static int hf_msg_fragment_count; |
663 | | static int hf_msg_reassembled_in; |
664 | | static int hf_msg_reassembled_length; |
665 | | |
666 | | static int hf_batadv_tvlv_type; |
667 | | static int hf_batadv_tvlv_version; |
668 | | static int hf_batadv_tvlv_len; |
669 | | |
670 | | static int hf_batadv_tvlv_gw_download; |
671 | | static int hf_batadv_tvlv_gw_upload; |
672 | | |
673 | | static int hf_batadv_tvlv_roam_addr; |
674 | | static int hf_batadv_tvlv_roam_vid; |
675 | | static int hf_batadv_tvlv_vid_vlan; |
676 | | static int hf_batadv_tvlv_vid_tagged; |
677 | | |
678 | | static int hf_batadv_tvlv_tt_flags; |
679 | | static int hf_batadv_tvlv_tt_flags_type; |
680 | | static int hf_batadv_tvlv_tt_flags_full_table; |
681 | | static int hf_batadv_tvlv_tt_ttvn; |
682 | | static int hf_batadv_tvlv_tt_num_vlan; |
683 | | static int hf_batadv_tvlv_tt_vlan_crc; |
684 | | static int hf_batadv_tvlv_tt_vlan_crc_status; |
685 | | static int hf_batadv_tvlv_tt_vlan_vid; |
686 | | static int hf_batadv_tvlv_tt_change_flags; |
687 | | static int hf_batadv_tvlv_tt_change_vid; |
688 | | static int hf_batadv_tvlv_tt_change_addr; |
689 | | |
690 | | /* flags */ |
691 | | static int hf_batadv_batman_flags_directlink; |
692 | | static int hf_batadv_batman_flags_vis_server; |
693 | | static int hf_batadv_batman_flags_not_best_next_hop; |
694 | | static int hf_batadv_batman_flags_primaries_first_hop; |
695 | | static int hf_batadv_unicast_frag_flags_head; |
696 | | static int hf_batadv_unicast_frag_flags_largetail; |
697 | | static int hf_batadv_iv_ogm_flags_not_best_next_hop; |
698 | | static int hf_batadv_iv_ogm_flags_primaries_first_hop; |
699 | | static int hf_batadv_iv_ogm_flags_directlink; |
700 | | static int hf_batadv_tvlv_mcast_flags; |
701 | | static int hf_batadv_tvlv_mcast_flags_unsnoopables; |
702 | | static int hf_batadv_tvlv_mcast_flags_ipv4; |
703 | | static int hf_batadv_tvlv_mcast_flags_ipv6; |
704 | | static int hf_batadv_tvlv_mcast_flags_no_rtr4; |
705 | | static int hf_batadv_tvlv_mcast_flags_no_rtr6; |
706 | | static int hf_batadv_tvlv_tt_change_flags_del; |
707 | | static int hf_batadv_tvlv_tt_change_flags_roam; |
708 | | static int hf_batadv_tvlv_tt_change_flags_wifi; |
709 | | static int hf_batadv_tvlv_tt_change_flags_isolate; |
710 | | |
711 | | static const value_string unicast_4addr_typenames[] = { |
712 | | { UNICAST_4ADDR_DATA, "Data" }, |
713 | | { UNICAST_4ADDR_DAT_DHT_GET, "DHT Get" }, |
714 | | { UNICAST_4ADDR_DAT_DHT_PUT, "DHT Put" }, |
715 | | { UNICAST_4ADDR_DAT_CACHE_REPLY, "DHT Cache Reply" }, |
716 | | { 0, NULL } |
717 | | }; |
718 | | |
719 | | static const value_string tvlv_v15_typenames[] = { |
720 | | { BATADV_TVLV_V15_GW, "Gateway information" }, |
721 | | { BATADV_TVLV_V15_DAT, "Distributed ARP Table" }, |
722 | | { BATADV_TVLV_V15_NC, "Network Coding" }, |
723 | | { BATADV_TVLV_V15_TT, "Translation Table" }, |
724 | | { BATADV_TVLV_V15_ROAM, "Roaming" }, |
725 | | { BATADV_TVLV_V15_MCAST, "Multicast" }, |
726 | | { 0, NULL } |
727 | | }; |
728 | | |
729 | | static const value_string icmp_packettypenames[] = { |
730 | | { ECHO_REPLY, "ECHO_REPLY" }, |
731 | | { DESTINATION_UNREACHABLE, "DESTINATION UNREACHABLE" }, |
732 | | { ECHO_REQUEST, "ECHO_REQUEST" }, |
733 | | { TTL_EXCEEDED, "TTL exceeded" }, |
734 | | { BATADV_TP, "Throughput Meter" }, |
735 | | { 0, NULL } |
736 | | }; |
737 | | |
738 | | static const value_string icmp_tp_packettypenames[] = { |
739 | | { 0, "Message" }, |
740 | | { 1, "Acknowledgement" }, |
741 | | { 0, NULL } |
742 | | }; |
743 | | |
744 | | static const value_string vis_packettypenames[] = { |
745 | | { VIS_TYPE_SERVER_SYNC, "SERVER_SYNC" }, |
746 | | { VIS_TYPE_CLIENT_UPDATE, "CLIENT_UPDATE" }, |
747 | | { 0, NULL } |
748 | | }; |
749 | | |
750 | | static const value_string tt_query_type_v14[] = { |
751 | | {TT_REQUEST, "Request"}, |
752 | | {TT_RESPONSE, "Response"}, |
753 | | {0, NULL} |
754 | | }; |
755 | | |
756 | | static const value_string tvlv_tt_typenames[] = { |
757 | | {BATADV_TVLVL_TT_OGM_DIFF, "OGM Diff"}, |
758 | | {BATADV_TVLVL_TT_REQUEST, "Request"}, |
759 | | {BATADV_TVLVL_TT_RESPONSE, "Response"}, |
760 | | {0, NULL} |
761 | | }; |
762 | | |
763 | | static int * const batman_v5_flags[] = { |
764 | | &hf_batadv_batman_flags_directlink, |
765 | | &hf_batadv_batman_flags_vis_server, |
766 | | NULL |
767 | | }; |
768 | | |
769 | | static int * const batman_v9_flags[] = { |
770 | | &hf_batadv_batman_flags_directlink, |
771 | | &hf_batadv_batman_flags_vis_server, |
772 | | &hf_batadv_batman_flags_primaries_first_hop, |
773 | | NULL |
774 | | }; |
775 | | |
776 | | static int * const batman_v14_flags[] = { |
777 | | &hf_batadv_batman_flags_directlink, |
778 | | &hf_batadv_batman_flags_vis_server, |
779 | | &hf_batadv_batman_flags_primaries_first_hop, |
780 | | &hf_batadv_batman_flags_not_best_next_hop, |
781 | | NULL |
782 | | }; |
783 | | |
784 | | static int * const unicast_frag_flags[] = { |
785 | | &hf_batadv_unicast_frag_flags_head, |
786 | | &hf_batadv_unicast_frag_flags_largetail, |
787 | | NULL |
788 | | }; |
789 | | |
790 | | static int * const tt_query_flags[] = { |
791 | | &hf_batadv_tt_query_flags_type, |
792 | | &hf_batadv_tt_query_flags_full_table, |
793 | | NULL |
794 | | }; |
795 | | |
796 | | static int * const tt_entry_flags[] = { |
797 | | &hf_batadv_tt_entry_flags_change_del, |
798 | | &hf_batadv_tt_entry_flags_client_roam, |
799 | | NULL |
800 | | }; |
801 | | |
802 | | static const fragment_items msg_frag_items = { |
803 | | /* Fragment subtrees */ |
804 | | &ett_msg_fragment, |
805 | | &ett_msg_fragments, |
806 | | /* Fragment fields */ |
807 | | &hf_msg_fragments, |
808 | | &hf_msg_fragment, |
809 | | &hf_msg_fragment_overlap, |
810 | | &hf_msg_fragment_overlap_conflicts, |
811 | | &hf_msg_fragment_multiple_tails, |
812 | | &hf_msg_fragment_too_long_fragment, |
813 | | &hf_msg_fragment_error, |
814 | | &hf_msg_fragment_count, |
815 | | /* Reassembled in field */ |
816 | | &hf_msg_reassembled_in, |
817 | | &hf_msg_reassembled_length, |
818 | | /* Reassembled data field */ |
819 | | NULL, |
820 | | /* Tag */ |
821 | | "Message fragments" |
822 | | }; |
823 | | |
824 | | |
825 | | /* forward declaration */ |
826 | | void proto_register_batadv(void); |
827 | | void proto_reg_handoff_batadv(void); |
828 | | |
829 | | static dissector_handle_t batman_handle; |
830 | | |
831 | | /* supported packet dissectors */ |
832 | | static void dissect_batadv_v5(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); |
833 | | static void dissect_batadv_v15(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); |
834 | | static void dissect_batadv_batman(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); |
835 | | static unsigned dissect_batadv_batman_v5(tvbuff_t *tvb, unsigned offset, packet_info *pinfo, proto_tree *tree); |
836 | | static unsigned dissect_batadv_batman_v7(tvbuff_t *tvb, unsigned offset, packet_info *pinfo, proto_tree *tree); |
837 | | static unsigned dissect_batadv_batman_v9(tvbuff_t *tvb, unsigned offset, packet_info *pinfo, proto_tree *tree); |
838 | | static unsigned dissect_batadv_batman_v10(tvbuff_t *tvb, unsigned offset, packet_info *pinfo, proto_tree *tree); |
839 | | static unsigned dissect_batadv_batman_v11(tvbuff_t *tvb, unsigned offset, packet_info *pinfo, proto_tree *tree); |
840 | | static unsigned dissect_batadv_batman_v14(tvbuff_t *tvb, unsigned offset, packet_info *pinfo, proto_tree *tree); |
841 | | |
842 | | static void dissect_batadv_iv_ogm(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); |
843 | | static unsigned dissect_batadv_iv_ogm_v15(tvbuff_t *tvb, unsigned offset, packet_info *pinfo, proto_tree *tree); |
844 | | |
845 | | static void dissect_batadv_elp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); |
846 | | static void dissect_batadv_elp_v15(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); |
847 | | |
848 | | static void dissect_batadv_ogm2(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); |
849 | | static unsigned dissect_batadv_ogm2_v15(tvbuff_t *tvb, unsigned offset, packet_info *pinfo, proto_tree *tree); |
850 | | |
851 | | static void dissect_batadv_bcast(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); |
852 | | static void dissect_batadv_bcast_v6(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); |
853 | | static void dissect_batadv_bcast_v10(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); |
854 | | static void dissect_batadv_bcast_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); |
855 | | |
856 | | static void dissect_batadv_icmp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); |
857 | | static void dissect_batadv_icmp_v6(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); |
858 | | static void dissect_batadv_icmp_v7(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); |
859 | | static void dissect_batadv_icmp_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); |
860 | | static void dissect_batadv_icmp_v15(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); |
861 | | |
862 | | static void dissect_batadv_unicast(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); |
863 | | static void dissect_batadv_unicast_v6(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); |
864 | | static void dissect_batadv_unicast_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); |
865 | | |
866 | | static void dissect_batadv_unicast_4addr(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); |
867 | | static void dissect_batadv_unicast_4addr_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); |
868 | | |
869 | | static void dissect_batadv_unicast_frag(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); |
870 | | static void dissect_batadv_unicast_frag_v12(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); |
871 | | static void dissect_batadv_unicast_frag_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); |
872 | | static void dissect_batadv_unicast_frag_v15(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); |
873 | | |
874 | | static void dissect_batadv_vis(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); |
875 | | static void dissect_batadv_vis_v6(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); |
876 | | static void dissect_batadv_vis_v10(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); |
877 | | static void dissect_batadv_vis_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); |
878 | | |
879 | | static void dissect_batadv_tt(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); |
880 | | static void dissect_vis_entry_v6(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); |
881 | | static void dissect_vis_entry_v8(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); |
882 | | |
883 | | static void dissect_batadv_tt_query(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); |
884 | | static void dissect_batadv_tt_query_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); |
885 | | static void dissect_tt_entry_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); |
886 | | |
887 | | static void dissect_batadv_roam_adv(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); |
888 | | static void dissect_batadv_roam_adv_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); |
889 | | |
890 | | static void dissect_batadv_coded(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); |
891 | | static void dissect_batadv_coded_v15(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); |
892 | | |
893 | | static void dissect_batadv_unicast_tvlv(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); |
894 | | static void dissect_batadv_unicast_tvlv_v15(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); |
895 | | |
896 | | static void dissect_batadv_tvlv_v15(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); |
897 | | static void dissect_batadv_tvlv_v15_header(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, uint8_t type); |
898 | | static void dissect_batadv_tvlv_v15_dat(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset, uint8_t version); |
899 | | static void dissect_batadv_tvlv_v15_nc(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset, uint8_t version); |
900 | | static void dissect_batadv_tvlv_v15_mcast(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset, uint8_t version); |
901 | | static void dissect_batadv_tvlv_v15_gw(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset, uint8_t version); |
902 | | static void dissect_batadv_tvlv_v15_roam(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset, uint8_t version); |
903 | | static void dissect_batadv_tvlv_v15_tt(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset, uint8_t version); |
904 | | static unsigned dissect_batadv_tvlv_v15_tt_vlan(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, unsigned offset, uint8_t tt_flags, int changes_offset); |
905 | | static unsigned dissect_batadv_tvlv_v15_tt_change(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset); |
906 | | |
907 | | |
908 | | /* other dissectors */ |
909 | | static dissector_handle_t eth_handle; |
910 | | |
911 | | static int proto_batadv_plugin; |
912 | | |
913 | | /* tap */ |
914 | | static int batadv_tap; |
915 | | static int batadv_follow_tap; |
916 | | |
917 | | /* segmented messages */ |
918 | | static reassembly_table msg_reassembly_table; |
919 | | |
920 | | static unsigned int batadv_ethertype = ETH_P_BATMAN; |
921 | | |
922 | | static int dissect_batadv_plugin(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) |
923 | 44 | { |
924 | 44 | uint8_t version; |
925 | | |
926 | 44 | col_clear(pinfo->cinfo, COL_INFO); |
927 | | |
928 | | /* The payload may carry B.A.T.M.A.N. again; stop before the layer limit */ |
929 | 44 | if (wmem_list_count(pinfo->layers) + 16 >= prefs.gui_max_tree_depth) { |
930 | 0 | proto_tree_add_expert_remaining(tree, pinfo, &ei_batadv_too_deep, tvb, 0); |
931 | 0 | return tvb_captured_length(tvb); |
932 | 0 | } |
933 | | |
934 | 44 | version = tvb_get_uint8(tvb, 1); |
935 | 44 | if (version < 15) |
936 | 41 | dissect_batadv_v5(tvb, pinfo, tree); |
937 | 3 | else |
938 | 3 | dissect_batadv_v15(tvb, pinfo, tree); |
939 | | |
940 | 44 | return tvb_captured_length(tvb); |
941 | 44 | } |
942 | | |
943 | | static void dissect_batadv_v5(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) |
944 | 41 | { |
945 | 41 | uint8_t type; |
946 | | |
947 | 41 | type = tvb_get_uint8(tvb, 0); |
948 | | |
949 | 41 | switch (type) { |
950 | 23 | case BATADV_PACKET_V5: |
951 | 23 | dissect_batadv_batman(tvb, pinfo, tree); |
952 | 23 | break; |
953 | 3 | case BATADV_ICMP_V5: |
954 | 3 | dissect_batadv_icmp(tvb, pinfo, tree); |
955 | 3 | break; |
956 | 0 | case BATADV_UNICAST_V5: |
957 | 0 | dissect_batadv_unicast(tvb, pinfo, tree); |
958 | 0 | break; |
959 | 1 | case BATADV_UNICAST_FRAG_V12: |
960 | 1 | dissect_batadv_unicast_frag(tvb, pinfo, tree); |
961 | 1 | break; |
962 | 0 | case BATADV_BCAST_V5: |
963 | 0 | dissect_batadv_bcast(tvb, pinfo, tree); |
964 | 0 | break; |
965 | 6 | case BATADV_VIS_V5: |
966 | 6 | dissect_batadv_vis(tvb, pinfo, tree); |
967 | 6 | break; |
968 | 7 | case BATADV_TT_QUERY_V14: |
969 | 7 | dissect_batadv_tt_query(tvb, pinfo, tree); |
970 | 7 | break; |
971 | 1 | case BATADV_ROAM_ADV_V14: |
972 | 1 | dissect_batadv_roam_adv(tvb, pinfo, tree); |
973 | 1 | break; |
974 | 0 | case BATADV_UNICAST_4ADDR_V14: |
975 | 0 | dissect_batadv_unicast_4addr(tvb, pinfo, tree); |
976 | 0 | break; |
977 | 0 | default: |
978 | | /* dunno */ |
979 | 0 | { |
980 | 0 | tvbuff_t *next_tvb; |
981 | 0 | int length_remaining; |
982 | |
|
983 | 0 | col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_???"); |
984 | |
|
985 | 0 | length_remaining = tvb_reported_length_remaining(tvb, 0); |
986 | 0 | if (length_remaining > 0) { |
987 | 0 | next_tvb = tvb_new_subset_remaining(tvb, 0); |
988 | 0 | call_data_dissector(next_tvb, pinfo, tree); |
989 | 0 | } |
990 | 0 | break; |
991 | 0 | } |
992 | 41 | } |
993 | 41 | } |
994 | | |
995 | | static void dissect_batadv_v15(tvbuff_t *tvb, packet_info *pinfo, |
996 | | proto_tree *tree) |
997 | 3 | { |
998 | 3 | uint8_t type; |
999 | | |
1000 | 3 | type = tvb_get_uint8(tvb, 0); |
1001 | | |
1002 | 3 | switch (type) { |
1003 | 0 | case BATADV_IV_OGM_V15: |
1004 | 0 | dissect_batadv_iv_ogm(tvb, pinfo, tree); |
1005 | 0 | break; |
1006 | 1 | case BATADV_BCAST_V15: |
1007 | 1 | dissect_batadv_bcast(tvb, pinfo, tree); |
1008 | 1 | break; |
1009 | 0 | case BATADV_CODED_V15: |
1010 | 0 | dissect_batadv_coded(tvb, pinfo, tree); |
1011 | 0 | break; |
1012 | 0 | case BATADV_ELP_V15: |
1013 | 0 | dissect_batadv_elp(tvb, pinfo, tree); |
1014 | 0 | break; |
1015 | 1 | case BATADV_OGM2_V15: |
1016 | 1 | dissect_batadv_ogm2(tvb, pinfo, tree); |
1017 | 1 | break; |
1018 | 0 | case BATADV_UNICAST_V15: |
1019 | 0 | dissect_batadv_unicast(tvb, pinfo, tree); |
1020 | 0 | break; |
1021 | 0 | case BATADV_UNICAST_FRAG_V15: |
1022 | 0 | dissect_batadv_unicast_frag(tvb, pinfo, tree); |
1023 | 0 | break; |
1024 | 0 | case BATADV_UNICAST_4ADDR_V15: |
1025 | 0 | dissect_batadv_unicast_4addr(tvb, pinfo, tree); |
1026 | 0 | break; |
1027 | 0 | case BATADV_ICMP_V15: |
1028 | 0 | dissect_batadv_icmp(tvb, pinfo, tree); |
1029 | 0 | break; |
1030 | 0 | case BATADV_UNICAST_TVLV_V15: |
1031 | 0 | dissect_batadv_unicast_tvlv(tvb, pinfo, tree); |
1032 | 0 | break; |
1033 | 1 | default: |
1034 | | /* dunno */ |
1035 | 1 | { |
1036 | 1 | tvbuff_t *next_tvb; |
1037 | 1 | int length_remaining; |
1038 | | |
1039 | 1 | col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_???"); |
1040 | | |
1041 | 1 | length_remaining = tvb_reported_length_remaining(tvb, 0); |
1042 | 1 | if (length_remaining > 0) { |
1043 | 1 | next_tvb = tvb_new_subset_remaining(tvb, 0); |
1044 | 1 | call_data_dissector(next_tvb, pinfo, tree); |
1045 | 1 | } |
1046 | 1 | break; |
1047 | 0 | } |
1048 | 3 | } |
1049 | 3 | } |
1050 | | |
1051 | | static void dissect_batadv_batman(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) |
1052 | 23 | { |
1053 | 23 | uint8_t version; |
1054 | 23 | unsigned offset = 0; |
1055 | | |
1056 | | /* set protocol name */ |
1057 | 23 | col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_BATMAN"); |
1058 | | |
1059 | 23 | version = tvb_get_uint8(tvb, 1); |
1060 | 23 | switch (version) { |
1061 | 0 | case 5: |
1062 | 10 | case 6: |
1063 | 21 | while (tvb_reported_length_remaining(tvb, offset) >= BATMAN_PACKET_V5_SIZE) { |
1064 | 11 | offset = dissect_batadv_batman_v5(tvb, offset, pinfo, tree); |
1065 | 11 | } |
1066 | 10 | break; |
1067 | 3 | case 7: |
1068 | 3 | case 8: |
1069 | 6 | while (tvb_reported_length_remaining(tvb, offset) >= BATMAN_PACKET_V7_SIZE) { |
1070 | 3 | offset = dissect_batadv_batman_v7(tvb, offset, pinfo, tree); |
1071 | 3 | } |
1072 | 3 | break; |
1073 | 0 | case 9: |
1074 | 0 | while (tvb_reported_length_remaining(tvb, offset) >= BATMAN_PACKET_V9_SIZE) { |
1075 | 0 | offset = dissect_batadv_batman_v9(tvb, offset, pinfo, tree); |
1076 | 0 | } |
1077 | 0 | break; |
1078 | 2 | case 11: |
1079 | 2 | case 13: |
1080 | 4 | while (tvb_reported_length_remaining(tvb, offset) >= BATMAN_PACKET_V11_SIZE) { |
1081 | 2 | offset = dissect_batadv_batman_v11(tvb, offset, pinfo, tree); |
1082 | 2 | } |
1083 | 2 | break; |
1084 | 3 | case 10: |
1085 | 6 | case 12: |
1086 | 14 | while (tvb_reported_length_remaining(tvb, offset) >= BATMAN_PACKET_V10_SIZE) { |
1087 | 8 | offset = dissect_batadv_batman_v10(tvb, offset, pinfo, tree); |
1088 | 8 | } |
1089 | 6 | break; |
1090 | 1 | case 14: |
1091 | 3 | while (tvb_reported_length_remaining(tvb, offset) >= BATMAN_PACKET_V14_SIZE) { |
1092 | 2 | offset = dissect_batadv_batman_v14(tvb, offset, pinfo, tree); |
1093 | 2 | } |
1094 | 1 | break; |
1095 | 1 | default: |
1096 | 1 | col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Version %d", version); |
1097 | 1 | call_data_dissector(tvb, pinfo, tree); |
1098 | 1 | break; |
1099 | 23 | } |
1100 | 23 | } |
1101 | | |
1102 | | static void dissect_batadv_gwflags(tvbuff_t *tvb, uint8_t gwflags, unsigned offset, proto_item *tgw) |
1103 | 17 | { |
1104 | 17 | proto_tree *gwflags_tree; |
1105 | 17 | uint8_t s = (gwflags & 0x80) >> 7; |
1106 | 17 | uint8_t downbits = (gwflags & 0x78) >> 3; |
1107 | 17 | uint8_t upbits = (gwflags & 0x07); |
1108 | 17 | unsigned down, up; |
1109 | | |
1110 | 17 | if (gwflags == 0) { |
1111 | 5 | down = 0; |
1112 | 5 | up = 0; |
1113 | 12 | } else { |
1114 | 12 | down = 32 * (s + 2) * (1 << downbits); |
1115 | 12 | up = ((upbits + 1) * down) / 8; |
1116 | 12 | } |
1117 | | |
1118 | 17 | gwflags_tree = proto_item_add_subtree(tgw, ett_batadv_batman_gwflags); |
1119 | 17 | proto_tree_add_uint(gwflags_tree, hf_batadv_batman_gwflags_dl_speed, tvb, offset, 1, down); |
1120 | 17 | proto_tree_add_uint(gwflags_tree, hf_batadv_batman_gwflags_ul_speed, tvb, offset, 1, up); |
1121 | 17 | } |
1122 | | |
1123 | | static unsigned dissect_batadv_batman_v5(tvbuff_t *tvb, unsigned offset, packet_info *pinfo, proto_tree *tree) |
1124 | 11 | { |
1125 | 11 | proto_item *ti, *tgw; |
1126 | 11 | proto_tree *batadv_batman_tree; |
1127 | 11 | uint8_t type; |
1128 | 11 | struct batman_packet_v5 *batman_packeth; |
1129 | 11 | int i; |
1130 | | |
1131 | 11 | tvbuff_t *next_tvb; |
1132 | | |
1133 | 11 | batman_packeth = wmem_new(pinfo->pool, struct batman_packet_v5); |
1134 | | |
1135 | 11 | type = tvb_get_uint8(tvb, offset+0); |
1136 | 11 | batman_packeth->version = tvb_get_uint8(tvb, offset+1); |
1137 | | |
1138 | | /* don't interpret padding as B.A.T.M.A.N. advanced packet */ |
1139 | 11 | if (batman_packeth->version == 0 || type != BATADV_PACKET_V5) { |
1140 | 1 | return tvb_reported_length(tvb); |
1141 | 1 | } |
1142 | | |
1143 | 10 | batman_packeth->flags = tvb_get_uint8(tvb, offset+2); |
1144 | 10 | batman_packeth->ttl = tvb_get_uint8(tvb, offset+3); |
1145 | 10 | batman_packeth->gwflags = tvb_get_uint8(tvb, offset+4); |
1146 | 10 | batman_packeth->tq = tvb_get_uint8(tvb, offset+5); |
1147 | 10 | batman_packeth->seqno = tvb_get_ntohs(tvb, offset+6); |
1148 | 10 | set_address_tvb(&batman_packeth->orig, AT_ETHER, 6, tvb, offset+8); |
1149 | 10 | copy_address_shallow(&pinfo->dl_src, &batman_packeth->orig); |
1150 | 10 | copy_address_shallow(&pinfo->src, &batman_packeth->orig); |
1151 | 10 | set_address_tvb(&batman_packeth->prev_sender, AT_ETHER, 6, tvb, offset+14); |
1152 | | |
1153 | 10 | batman_packeth->num_tt = tvb_get_uint8(tvb, offset+20); |
1154 | 10 | batman_packeth->pad = tvb_get_uint8(tvb, offset+21); |
1155 | | |
1156 | | /* Set info column */ |
1157 | 10 | col_add_fstr(pinfo->cinfo, COL_INFO, "Seq=%u", batman_packeth->seqno); |
1158 | | |
1159 | | /* Set tree info */ |
1160 | 10 | ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, offset, BATMAN_PACKET_V5_SIZE, |
1161 | 10 | "B.A.T.M.A.N., Orig: %s", |
1162 | 10 | address_with_resolution_to_str(pinfo->pool, &batman_packeth->orig)); |
1163 | 10 | batadv_batman_tree = proto_item_add_subtree(ti, ett_batadv_batman); |
1164 | | |
1165 | | /* items */ |
1166 | 10 | proto_tree_add_uint_format(batadv_batman_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_PACKET_V5, |
1167 | 10 | "Packet Type: %s (%u)", "BATADV_PACKET", BATADV_PACKET_V5); |
1168 | 10 | offset += 1; |
1169 | | |
1170 | 10 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_version, tvb, offset, 1, ENC_BIG_ENDIAN); |
1171 | 10 | offset += 1; |
1172 | | |
1173 | 10 | proto_tree_add_bitmask(batadv_batman_tree, tvb, offset, hf_batadv_batman_flags, |
1174 | 10 | ett_batadv_batman_flags, batman_v5_flags, ENC_BIG_ENDIAN); |
1175 | 10 | offset += 1; |
1176 | | |
1177 | 10 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); |
1178 | 10 | offset += 1; |
1179 | | |
1180 | 10 | tgw = proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_gwflags, tvb, offset, 1, ENC_BIG_ENDIAN); |
1181 | 10 | dissect_batadv_gwflags(tvb, batman_packeth->gwflags, offset, tgw); |
1182 | 10 | offset += 1; |
1183 | | |
1184 | 10 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_tq, tvb, offset, 1, ENC_BIG_ENDIAN); |
1185 | 10 | offset += 1; |
1186 | | |
1187 | 10 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_seqno, tvb, offset, 2, ENC_BIG_ENDIAN); |
1188 | 10 | offset += 2; |
1189 | | |
1190 | 10 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_orig, tvb, offset, 6, ENC_NA); |
1191 | 10 | offset += 6; |
1192 | | |
1193 | 10 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_prev_sender, tvb, offset, 6, ENC_NA); |
1194 | 10 | offset += 6; |
1195 | | |
1196 | 10 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_num_tt, tvb, offset, 1, ENC_BIG_ENDIAN); |
1197 | 10 | offset += 1; |
1198 | | |
1199 | | /* Skip 1 byte of padding. */ |
1200 | 10 | offset += 1; |
1201 | | |
1202 | 10 | tap_queue_packet(batadv_tap, pinfo, batman_packeth); |
1203 | | |
1204 | 811 | for (i = 0; i < batman_packeth->num_tt; i++) { |
1205 | 801 | next_tvb = tvb_new_subset_length(tvb, offset, 6); |
1206 | | |
1207 | 801 | if (have_tap_listener(batadv_follow_tap)) { |
1208 | 0 | tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); |
1209 | 0 | } |
1210 | | |
1211 | 801 | dissect_batadv_tt(next_tvb, pinfo, batadv_batman_tree); |
1212 | 801 | offset += 6; |
1213 | 801 | } |
1214 | | |
1215 | 10 | return offset; |
1216 | 11 | } |
1217 | | |
1218 | | static unsigned dissect_batadv_batman_v7(tvbuff_t *tvb, unsigned offset, packet_info *pinfo, proto_tree *tree) |
1219 | 3 | { |
1220 | 3 | proto_tree *batadv_batman_tree; |
1221 | 3 | proto_item *ti; |
1222 | 3 | uint8_t type; |
1223 | 3 | struct batman_packet_v7 *batman_packeth; |
1224 | 3 | int i; |
1225 | | |
1226 | 3 | tvbuff_t *next_tvb; |
1227 | | |
1228 | 3 | batman_packeth = wmem_new(pinfo->pool, struct batman_packet_v7); |
1229 | | |
1230 | 3 | type = tvb_get_uint8(tvb, offset+0); |
1231 | 3 | batman_packeth->version = tvb_get_uint8(tvb, offset+1); |
1232 | | |
1233 | | /* don't interpret padding as B.A.T.M.A.N. advanced packet */ |
1234 | 3 | if (batman_packeth->version == 0 || type != BATADV_PACKET_V5) { |
1235 | 0 | return tvb_reported_length(tvb); |
1236 | 0 | } |
1237 | | |
1238 | 3 | batman_packeth->flags = tvb_get_uint8(tvb, offset+2); |
1239 | 3 | batman_packeth->tq = tvb_get_uint8(tvb, offset+3); |
1240 | 3 | batman_packeth->seqno = tvb_get_ntohs(tvb, offset+4); |
1241 | 3 | set_address_tvb(&batman_packeth->orig, AT_ETHER, 6, tvb, offset+6); |
1242 | 3 | copy_address_shallow(&pinfo->dl_src, &batman_packeth->orig); |
1243 | 3 | copy_address_shallow(&pinfo->src, &batman_packeth->orig); |
1244 | 3 | set_address_tvb(&batman_packeth->prev_sender, AT_ETHER, 6, tvb, offset+12); |
1245 | 3 | batman_packeth->ttl = tvb_get_uint8(tvb, offset+18); |
1246 | 3 | batman_packeth->num_tt = tvb_get_uint8(tvb, offset+19); |
1247 | | |
1248 | | /* Set info column */ |
1249 | 3 | col_add_fstr(pinfo->cinfo, COL_INFO, "Seq=%u", batman_packeth->seqno); |
1250 | | |
1251 | | /* Set tree info */ |
1252 | 3 | ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, offset, BATMAN_PACKET_V7_SIZE, |
1253 | 3 | "B.A.T.M.A.N., Orig: %s", |
1254 | 3 | address_with_resolution_to_str(pinfo->pool, &batman_packeth->orig)); |
1255 | 3 | batadv_batman_tree = proto_item_add_subtree(ti, ett_batadv_batman); |
1256 | | |
1257 | | /* items */ |
1258 | 3 | proto_tree_add_uint_format(batadv_batman_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_PACKET_V5, |
1259 | 3 | "Packet Type: %s (%u)", "BATADV_PACKET", BATADV_PACKET_V5); |
1260 | 3 | offset += 1; |
1261 | | |
1262 | 3 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_version, tvb, offset, 1, ENC_BIG_ENDIAN); |
1263 | 3 | offset += 1; |
1264 | | |
1265 | 3 | proto_tree_add_bitmask(batadv_batman_tree, tvb, offset, hf_batadv_batman_flags, |
1266 | 3 | ett_batadv_batman_flags, batman_v5_flags, ENC_BIG_ENDIAN); |
1267 | 3 | offset += 1; |
1268 | | |
1269 | 3 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_tq, tvb, offset, 1, ENC_BIG_ENDIAN); |
1270 | 3 | offset += 1; |
1271 | | |
1272 | 3 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_seqno, tvb, offset, 2, ENC_BIG_ENDIAN); |
1273 | 3 | offset += 2; |
1274 | | |
1275 | 3 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_orig, tvb, offset, 6, ENC_NA); |
1276 | 3 | offset += 6; |
1277 | | |
1278 | 3 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_prev_sender, tvb, offset, 6, ENC_NA); |
1279 | 3 | offset += 6; |
1280 | | |
1281 | 3 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); |
1282 | 3 | offset += 1; |
1283 | | |
1284 | 3 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_num_tt, tvb, offset, 1, ENC_BIG_ENDIAN); |
1285 | 3 | offset += 1; |
1286 | | |
1287 | 3 | tap_queue_packet(batadv_tap, pinfo, batman_packeth); |
1288 | | |
1289 | 91 | for (i = 0; i < batman_packeth->num_tt; i++) { |
1290 | 88 | next_tvb = tvb_new_subset_length(tvb, offset, 6); |
1291 | | |
1292 | 88 | if (have_tap_listener(batadv_follow_tap)) { |
1293 | 0 | tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); |
1294 | 0 | } |
1295 | | |
1296 | 88 | dissect_batadv_tt(next_tvb, pinfo, batadv_batman_tree); |
1297 | 88 | offset += 6; |
1298 | 88 | } |
1299 | | |
1300 | 3 | return offset; |
1301 | 3 | } |
1302 | | |
1303 | | static unsigned dissect_batadv_batman_v9(tvbuff_t *tvb, unsigned offset, packet_info *pinfo, proto_tree *tree) |
1304 | 0 | { |
1305 | 0 | proto_item *ti, *tgw; |
1306 | 0 | proto_tree *batadv_batman_tree; |
1307 | 0 | uint8_t type; |
1308 | 0 | struct batman_packet_v9 *batman_packeth; |
1309 | 0 | int i; |
1310 | |
|
1311 | 0 | tvbuff_t *next_tvb; |
1312 | |
|
1313 | 0 | batman_packeth = wmem_new(pinfo->pool, struct batman_packet_v9); |
1314 | |
|
1315 | 0 | type = tvb_get_uint8(tvb, offset+0); |
1316 | 0 | batman_packeth->version = tvb_get_uint8(tvb, offset+1); |
1317 | | |
1318 | | /* don't interpret padding as B.A.T.M.A.N. advanced packet */ |
1319 | 0 | if (batman_packeth->version == 0 || type != BATADV_PACKET_V5) { |
1320 | 0 | return tvb_reported_length(tvb); |
1321 | 0 | } |
1322 | | |
1323 | 0 | batman_packeth->flags = tvb_get_uint8(tvb, offset+2); |
1324 | 0 | batman_packeth->tq = tvb_get_uint8(tvb, offset+3); |
1325 | 0 | batman_packeth->seqno = tvb_get_ntohs(tvb, offset+4); |
1326 | 0 | set_address_tvb(&batman_packeth->orig, AT_ETHER, 6, tvb, offset+6); |
1327 | 0 | copy_address_shallow(&pinfo->dl_src, &batman_packeth->orig); |
1328 | 0 | copy_address_shallow(&pinfo->src, &batman_packeth->orig); |
1329 | 0 | set_address_tvb(&batman_packeth->prev_sender, AT_ETHER, 6, tvb, offset+12); |
1330 | 0 | batman_packeth->ttl = tvb_get_uint8(tvb, offset+18); |
1331 | 0 | batman_packeth->num_tt = tvb_get_uint8(tvb, offset+19); |
1332 | 0 | batman_packeth->gwflags = tvb_get_uint8(tvb, offset+20); |
1333 | | |
1334 | | /* Set info column */ |
1335 | 0 | col_add_fstr(pinfo->cinfo, COL_INFO, "Seq=%u", batman_packeth->seqno); |
1336 | | |
1337 | | /* Set tree info */ |
1338 | 0 | ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, offset, BATMAN_PACKET_V9_SIZE, |
1339 | 0 | "B.A.T.M.A.N., Orig: %s", |
1340 | 0 | address_with_resolution_to_str(pinfo->pool, &batman_packeth->orig)); |
1341 | 0 | batadv_batman_tree = proto_item_add_subtree(ti, ett_batadv_batman); |
1342 | | |
1343 | | /* items */ |
1344 | 0 | proto_tree_add_uint_format(batadv_batman_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_PACKET_V5, |
1345 | 0 | "Packet Type: %s (%u)", "BATADV_PACKET", BATADV_PACKET_V5); |
1346 | 0 | offset += 1; |
1347 | |
|
1348 | 0 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_version, tvb, offset, 1, ENC_BIG_ENDIAN); |
1349 | 0 | offset += 1; |
1350 | |
|
1351 | 0 | proto_tree_add_bitmask(batadv_batman_tree, tvb, offset, hf_batadv_batman_flags, |
1352 | 0 | ett_batadv_batman_flags, batman_v9_flags, ENC_BIG_ENDIAN); |
1353 | 0 | offset += 1; |
1354 | |
|
1355 | 0 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_tq, tvb, offset, 1, ENC_BIG_ENDIAN); |
1356 | 0 | offset += 1; |
1357 | |
|
1358 | 0 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_seqno, tvb, offset, 2, ENC_BIG_ENDIAN); |
1359 | 0 | offset += 2; |
1360 | |
|
1361 | 0 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_orig, tvb, offset, 6, ENC_NA); |
1362 | 0 | offset += 6; |
1363 | |
|
1364 | 0 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_prev_sender, tvb, offset, 6, ENC_NA); |
1365 | 0 | offset += 6; |
1366 | |
|
1367 | 0 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); |
1368 | 0 | offset += 1; |
1369 | |
|
1370 | 0 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_num_tt, tvb, offset, 1, ENC_BIG_ENDIAN); |
1371 | 0 | offset += 1; |
1372 | |
|
1373 | 0 | tgw = proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_gwflags, tvb, offset, 1, ENC_BIG_ENDIAN); |
1374 | 0 | dissect_batadv_gwflags(tvb, batman_packeth->gwflags, offset, tgw); |
1375 | 0 | offset += 1; |
1376 | | |
1377 | | /* Skip 1 byte of padding. */ |
1378 | 0 | offset += 1; |
1379 | |
|
1380 | 0 | tap_queue_packet(batadv_tap, pinfo, batman_packeth); |
1381 | |
|
1382 | 0 | for (i = 0; i < batman_packeth->num_tt; i++) { |
1383 | 0 | next_tvb = tvb_new_subset_length(tvb, offset, 6); |
1384 | |
|
1385 | 0 | if (have_tap_listener(batadv_follow_tap)) { |
1386 | 0 | tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); |
1387 | 0 | } |
1388 | |
|
1389 | 0 | dissect_batadv_tt(next_tvb, pinfo, batadv_batman_tree); |
1390 | 0 | offset += 6; |
1391 | 0 | } |
1392 | |
|
1393 | 0 | return offset; |
1394 | 0 | } |
1395 | | |
1396 | | static unsigned dissect_batadv_batman_v10(tvbuff_t *tvb, unsigned offset, packet_info *pinfo, proto_tree *tree) |
1397 | 8 | { |
1398 | 8 | proto_item *ti, *tgw; |
1399 | 8 | proto_tree *batadv_batman_tree; |
1400 | 8 | uint8_t type; |
1401 | 8 | struct batman_packet_v10 *batman_packeth; |
1402 | 8 | int i; |
1403 | | |
1404 | 8 | tvbuff_t *next_tvb; |
1405 | | |
1406 | 8 | batman_packeth = wmem_new(pinfo->pool, struct batman_packet_v10); |
1407 | | |
1408 | 8 | type = tvb_get_uint8(tvb, offset+0); |
1409 | 8 | batman_packeth->version = tvb_get_uint8(tvb, offset+1); |
1410 | | |
1411 | | /* don't interpret padding as B.A.T.M.A.N. advanced packet */ |
1412 | 8 | if (batman_packeth->version == 0 || type != BATADV_PACKET_V5) { |
1413 | 2 | return tvb_reported_length(tvb); |
1414 | 2 | } |
1415 | | |
1416 | 6 | batman_packeth->flags = tvb_get_uint8(tvb, offset+2); |
1417 | 6 | batman_packeth->tq = tvb_get_uint8(tvb, offset+3); |
1418 | 6 | batman_packeth->seqno = tvb_get_ntohl(tvb, offset+4); |
1419 | 6 | set_address_tvb(&batman_packeth->orig, AT_ETHER, 6, tvb, offset+8); |
1420 | 6 | copy_address_shallow(&pinfo->dl_src, &batman_packeth->orig); |
1421 | 6 | copy_address_shallow(&pinfo->src, &batman_packeth->orig); |
1422 | 6 | set_address_tvb(&batman_packeth->prev_sender, AT_ETHER, 6, tvb, offset+14); |
1423 | 6 | batman_packeth->ttl = tvb_get_uint8(tvb, offset+20); |
1424 | 6 | batman_packeth->num_tt = tvb_get_uint8(tvb, offset+21); |
1425 | 6 | batman_packeth->gwflags = tvb_get_uint8(tvb, offset+22); |
1426 | | |
1427 | | /* Set info column */ |
1428 | 6 | col_add_fstr(pinfo->cinfo, COL_INFO, "Seq=%u", batman_packeth->seqno); |
1429 | | |
1430 | | /* Set tree info */ |
1431 | 6 | ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, offset, BATMAN_PACKET_V10_SIZE, |
1432 | 6 | "B.A.T.M.A.N., Orig: %s", |
1433 | 6 | address_with_resolution_to_str(pinfo->pool, &batman_packeth->orig)); |
1434 | 6 | batadv_batman_tree = proto_item_add_subtree(ti, ett_batadv_batman); |
1435 | | |
1436 | | /* items */ |
1437 | 6 | proto_tree_add_uint_format(batadv_batman_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_PACKET_V5, |
1438 | 6 | "Packet Type: %s (%u)", "BATADV_PACKET", BATADV_PACKET_V5); |
1439 | 6 | offset += 1; |
1440 | | |
1441 | 6 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_version, tvb, offset, 1, ENC_BIG_ENDIAN); |
1442 | 6 | offset += 1; |
1443 | | |
1444 | 6 | proto_tree_add_bitmask(batadv_batman_tree, tvb, offset, hf_batadv_batman_flags, |
1445 | 6 | ett_batadv_batman_flags, batman_v9_flags, ENC_BIG_ENDIAN); |
1446 | 6 | offset += 1; |
1447 | | |
1448 | 6 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_tq, tvb, offset, 1, ENC_BIG_ENDIAN); |
1449 | 6 | offset += 1; |
1450 | | |
1451 | 6 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_seqno32, tvb, offset, 4, ENC_BIG_ENDIAN); |
1452 | 6 | offset += 4; |
1453 | | |
1454 | 6 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_orig, tvb, offset, 6, ENC_NA); |
1455 | 6 | offset += 6; |
1456 | | |
1457 | 6 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_prev_sender, tvb, offset, 6, ENC_NA); |
1458 | 6 | offset += 6; |
1459 | | |
1460 | 6 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); |
1461 | 6 | offset += 1; |
1462 | | |
1463 | 6 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_num_tt, tvb, offset, 1, ENC_BIG_ENDIAN); |
1464 | 6 | offset += 1; |
1465 | | |
1466 | 6 | tgw = proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_gwflags, tvb, offset, 1, ENC_BIG_ENDIAN); |
1467 | 6 | dissect_batadv_gwflags(tvb, batman_packeth->gwflags, offset, tgw); |
1468 | 6 | offset += 1; |
1469 | | |
1470 | | /* Skip 1 byte of padding. */ |
1471 | 6 | offset += 1; |
1472 | | |
1473 | 6 | tap_queue_packet(batadv_tap, pinfo, batman_packeth); |
1474 | | |
1475 | 389 | for (i = 0; i < batman_packeth->num_tt; i++) { |
1476 | 383 | next_tvb = tvb_new_subset_length(tvb, offset, 6); |
1477 | | |
1478 | 383 | if (have_tap_listener(batadv_follow_tap)) { |
1479 | 0 | tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); |
1480 | 0 | } |
1481 | | |
1482 | 383 | dissect_batadv_tt(next_tvb, pinfo, batadv_batman_tree); |
1483 | 383 | offset += 6; |
1484 | 383 | } |
1485 | | |
1486 | 6 | return offset; |
1487 | 8 | } |
1488 | | |
1489 | | static unsigned dissect_batadv_batman_v11(tvbuff_t *tvb, unsigned offset, packet_info *pinfo, proto_tree *tree) |
1490 | 2 | { |
1491 | 2 | proto_tree *batadv_batman_tree; |
1492 | 2 | proto_item *ti; |
1493 | 2 | uint8_t type; |
1494 | 2 | struct batman_packet_v11 *batman_packeth; |
1495 | 2 | int i; |
1496 | | |
1497 | 2 | tvbuff_t *next_tvb; |
1498 | | |
1499 | 2 | batman_packeth = wmem_new(pinfo->pool, struct batman_packet_v11); |
1500 | | |
1501 | 2 | type = tvb_get_uint8(tvb, offset+0); |
1502 | 2 | batman_packeth->version = tvb_get_uint8(tvb, offset+1); |
1503 | | |
1504 | | /* don't interpret padding as B.A.T.M.A.N. advanced packet */ |
1505 | 2 | if (batman_packeth->version == 0 || type != BATADV_PACKET_V5) { |
1506 | 0 | return tvb_reported_length(tvb); |
1507 | 0 | } |
1508 | | |
1509 | 2 | batman_packeth->flags = tvb_get_uint8(tvb, offset+2); |
1510 | 2 | batman_packeth->tq = tvb_get_uint8(tvb, offset+3); |
1511 | 2 | batman_packeth->seqno = tvb_get_ntohl(tvb, offset+4); |
1512 | 2 | set_address_tvb(&batman_packeth->orig, AT_ETHER, 6, tvb, offset+8); |
1513 | 2 | copy_address_shallow(&pinfo->dl_src, &batman_packeth->orig); |
1514 | 2 | copy_address_shallow(&pinfo->src, &batman_packeth->orig); |
1515 | 2 | set_address_tvb(&batman_packeth->prev_sender, AT_ETHER, 6, tvb, offset+14); |
1516 | 2 | batman_packeth->ttl = tvb_get_uint8(tvb, offset+20); |
1517 | 2 | batman_packeth->num_tt = tvb_get_uint8(tvb, offset+21); |
1518 | | |
1519 | | /* Set info column */ |
1520 | 2 | col_add_fstr(pinfo->cinfo, COL_INFO, "Seq=%u", batman_packeth->seqno); |
1521 | | |
1522 | | /* Set tree info */ |
1523 | 2 | ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, offset, BATMAN_PACKET_V11_SIZE, |
1524 | 2 | "B.A.T.M.A.N., Orig: %s", |
1525 | 2 | address_with_resolution_to_str(pinfo->pool, &batman_packeth->orig)); |
1526 | 2 | batadv_batman_tree = proto_item_add_subtree(ti, ett_batadv_batman); |
1527 | | |
1528 | | /* items */ |
1529 | 2 | proto_tree_add_uint_format(batadv_batman_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_PACKET_V5, |
1530 | 2 | "Packet Type: %s (%u)", "BATADV_PACKET", BATADV_PACKET_V5); |
1531 | 2 | offset += 1; |
1532 | | |
1533 | 2 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_version, tvb, offset, 1, ENC_BIG_ENDIAN); |
1534 | 2 | offset += 1; |
1535 | | |
1536 | 2 | proto_tree_add_bitmask(batadv_batman_tree, tvb, offset, hf_batadv_batman_flags, |
1537 | 2 | ett_batadv_batman_flags, batman_v9_flags, ENC_BIG_ENDIAN); |
1538 | 2 | offset += 1; |
1539 | | |
1540 | 2 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_tq, tvb, offset, 1, ENC_BIG_ENDIAN); |
1541 | 2 | offset += 1; |
1542 | | |
1543 | 2 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_seqno32, tvb, offset, 4, ENC_BIG_ENDIAN); |
1544 | 2 | offset += 4; |
1545 | | |
1546 | 2 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_orig, tvb, offset, 6, ENC_NA); |
1547 | 2 | offset += 6; |
1548 | | |
1549 | 2 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_prev_sender, tvb, offset, 6, ENC_NA); |
1550 | 2 | offset += 6; |
1551 | | |
1552 | 2 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); |
1553 | 2 | offset += 1; |
1554 | | |
1555 | 2 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_num_tt, tvb, offset, 1, ENC_BIG_ENDIAN); |
1556 | 2 | offset += 1; |
1557 | | |
1558 | 2 | tap_queue_packet(batadv_tap, pinfo, batman_packeth); |
1559 | | |
1560 | 260 | for (i = 0; i < batman_packeth->num_tt; i++) { |
1561 | 258 | next_tvb = tvb_new_subset_length(tvb, offset, 6); |
1562 | | |
1563 | 258 | if (have_tap_listener(batadv_follow_tap)) { |
1564 | 0 | tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); |
1565 | 0 | } |
1566 | | |
1567 | 258 | dissect_batadv_tt(next_tvb, pinfo, batadv_batman_tree); |
1568 | 258 | offset += 6; |
1569 | 258 | } |
1570 | | |
1571 | 2 | return offset; |
1572 | 2 | } |
1573 | | |
1574 | | static unsigned dissect_batadv_batman_v14(tvbuff_t *tvb, unsigned offset, packet_info *pinfo, proto_tree *tree) |
1575 | 2 | { |
1576 | 2 | proto_item *ti, *tgw; |
1577 | 2 | proto_tree *batadv_batman_tree; |
1578 | 2 | uint8_t type; |
1579 | 2 | struct batman_packet_v14 *batman_packeth; |
1580 | 2 | int i; |
1581 | | |
1582 | 2 | tvbuff_t *next_tvb; |
1583 | 2 | int length_remaining; |
1584 | | |
1585 | 2 | batman_packeth = wmem_new(pinfo->pool, struct batman_packet_v14); |
1586 | | |
1587 | 2 | type = tvb_get_uint8(tvb, offset+0); |
1588 | 2 | batman_packeth->version = tvb_get_uint8(tvb, offset+1); |
1589 | | |
1590 | | /* don't interpret padding as B.A.T.M.A.N. advanced packet */ |
1591 | 2 | if (batman_packeth->version == 0 || type != BATADV_PACKET_V5) { |
1592 | 1 | return tvb_reported_length(tvb); |
1593 | 1 | } |
1594 | | |
1595 | 1 | batman_packeth->ttl = tvb_get_uint8(tvb, offset+2); |
1596 | 1 | batman_packeth->flags = tvb_get_uint8(tvb, offset+3); |
1597 | 1 | batman_packeth->seqno = tvb_get_ntohl(tvb, offset+4); |
1598 | 1 | set_address_tvb(&batman_packeth->orig, AT_ETHER, 6, tvb, offset+8); |
1599 | 1 | copy_address_shallow(&pinfo->dl_src, &batman_packeth->orig); |
1600 | 1 | copy_address_shallow(&pinfo->src, &batman_packeth->orig); |
1601 | 1 | set_address_tvb(&batman_packeth->prev_sender, AT_ETHER, 6, tvb, offset+14); |
1602 | 1 | batman_packeth->gw_flags = tvb_get_uint8(tvb, offset+20); |
1603 | 1 | batman_packeth->tq = tvb_get_uint8(tvb, offset+21); |
1604 | 1 | batman_packeth->tt_num_changes = tvb_get_uint8(tvb, offset+22); |
1605 | 1 | batman_packeth->ttvn = tvb_get_uint8(tvb, offset+23); |
1606 | 1 | batman_packeth->tt_crc = tvb_get_ntohs(tvb, offset+24); |
1607 | | |
1608 | | /* Set info column */ |
1609 | 1 | col_add_fstr(pinfo->cinfo, COL_INFO, "Seq=%u", batman_packeth->seqno); |
1610 | | |
1611 | | /* Set tree info */ |
1612 | 1 | ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, offset, BATMAN_PACKET_V14_SIZE, |
1613 | 1 | "B.A.T.M.A.N., Orig: %s", |
1614 | 1 | address_with_resolution_to_str(pinfo->pool, &batman_packeth->orig)); |
1615 | 1 | batadv_batman_tree = proto_item_add_subtree(ti, ett_batadv_batman); |
1616 | | |
1617 | | /* items */ |
1618 | 1 | proto_tree_add_uint_format(batadv_batman_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_PACKET_V5, |
1619 | 1 | "Packet Type: %s (%u)", "BATADV_PACKET", BATADV_PACKET_V5); |
1620 | 1 | offset += 1; |
1621 | | |
1622 | 1 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_version, tvb, offset, 1, ENC_BIG_ENDIAN); |
1623 | 1 | offset += 1; |
1624 | | |
1625 | 1 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); |
1626 | 1 | offset += 1; |
1627 | | |
1628 | 1 | proto_tree_add_bitmask(batadv_batman_tree, tvb, offset, hf_batadv_batman_flags, |
1629 | 1 | ett_batadv_batman_flags, batman_v14_flags, ENC_BIG_ENDIAN); |
1630 | 1 | offset += 1; |
1631 | | |
1632 | 1 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_seqno32, tvb, offset, 4, ENC_BIG_ENDIAN); |
1633 | 1 | offset += 4; |
1634 | | |
1635 | 1 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_orig, tvb, offset, 6, ENC_NA); |
1636 | 1 | offset += 6; |
1637 | | |
1638 | 1 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_prev_sender, tvb, offset, 6, ENC_NA); |
1639 | 1 | offset += 6; |
1640 | | |
1641 | 1 | tgw = proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_gwflags, tvb, offset, 1, ENC_BIG_ENDIAN); |
1642 | 1 | dissect_batadv_gwflags(tvb, batman_packeth->gw_flags, offset, tgw); |
1643 | 1 | offset += 1; |
1644 | | |
1645 | 1 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_tq, tvb, offset, 1, ENC_BIG_ENDIAN); |
1646 | 1 | offset += 1; |
1647 | | |
1648 | 1 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_tt_num_changes, tvb, offset, 1, ENC_BIG_ENDIAN); |
1649 | 1 | offset += 1; |
1650 | | |
1651 | 1 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_ttvn, tvb, offset, 1, ENC_BIG_ENDIAN); |
1652 | 1 | offset += 1; |
1653 | | |
1654 | 1 | proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_tt_crc, tvb, offset, 2, ENC_BIG_ENDIAN); |
1655 | 1 | offset += 2; |
1656 | | |
1657 | 1 | tap_queue_packet(batadv_tap, pinfo, batman_packeth); |
1658 | | |
1659 | 66 | for (i = 0; i < batman_packeth->tt_num_changes; i++) { |
1660 | 65 | next_tvb = tvb_new_subset_length(tvb, offset, TT_ENTRY_V14_SIZE); |
1661 | | |
1662 | 65 | if (have_tap_listener(batadv_follow_tap)) { |
1663 | 0 | tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); |
1664 | 0 | } |
1665 | | |
1666 | 65 | dissect_tt_entry_v14(next_tvb, pinfo, batadv_batman_tree); |
1667 | 65 | offset += TT_ENTRY_V14_SIZE; |
1668 | 65 | } |
1669 | | |
1670 | 1 | length_remaining = tvb_reported_length_remaining(tvb, offset); |
1671 | 1 | if (length_remaining > 0) { |
1672 | 1 | next_tvb = tvb_new_subset_remaining(tvb, offset); |
1673 | 1 | call_data_dissector(next_tvb, pinfo, tree); |
1674 | 1 | } |
1675 | | |
1676 | 1 | return offset; |
1677 | 2 | } |
1678 | | |
1679 | | static void dissect_batadv_iv_ogm(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) |
1680 | 0 | { |
1681 | 0 | uint8_t version; |
1682 | 0 | unsigned offset = 0; |
1683 | | |
1684 | | /* set protocol name */ |
1685 | 0 | col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_IV_OGM"); |
1686 | |
|
1687 | 0 | version = tvb_get_uint8(tvb, 1); |
1688 | 0 | switch (version) { |
1689 | 0 | case 15: |
1690 | 0 | while (tvb_reported_length_remaining(tvb, offset) >= IV_OGM_PACKET_V15_SIZE) { |
1691 | 0 | offset = dissect_batadv_iv_ogm_v15(tvb, offset, pinfo, tree); |
1692 | 0 | } |
1693 | 0 | break; |
1694 | 0 | default: |
1695 | 0 | col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Version %d", version); |
1696 | 0 | call_data_dissector(tvb, pinfo, tree); |
1697 | 0 | break; |
1698 | 0 | } |
1699 | 0 | } |
1700 | | |
1701 | | static unsigned dissect_batadv_iv_ogm_v15(tvbuff_t *tvb, unsigned offset, |
1702 | | packet_info *pinfo, proto_tree *tree) |
1703 | 0 | { |
1704 | 0 | proto_tree *batadv_iv_ogm_tree; |
1705 | 0 | proto_item *ti; |
1706 | 0 | uint8_t type, version; |
1707 | 0 | struct iv_ogm_packet_v15 *iv_ogm_packeth; |
1708 | 0 | tvbuff_t *next_tvb; |
1709 | 0 | static int * const flags[] = { |
1710 | 0 | &hf_batadv_iv_ogm_flags_directlink, |
1711 | 0 | &hf_batadv_iv_ogm_flags_primaries_first_hop, |
1712 | 0 | &hf_batadv_iv_ogm_flags_not_best_next_hop, |
1713 | 0 | NULL |
1714 | 0 | }; |
1715 | |
|
1716 | 0 | type = tvb_get_uint8(tvb, offset+0); |
1717 | 0 | version = tvb_get_uint8(tvb, offset+1); |
1718 | | |
1719 | | /* don't interpret padding as B.A.T.M.A.N. advanced packet */ |
1720 | 0 | if (version == 0 || type != BATADV_IV_OGM_V15) |
1721 | 0 | return tvb_reported_length(tvb); |
1722 | | |
1723 | 0 | iv_ogm_packeth = wmem_new(pinfo->pool, struct iv_ogm_packet_v15); |
1724 | | |
1725 | | /* Set info column */ |
1726 | 0 | col_clear(pinfo->cinfo, COL_INFO); |
1727 | | |
1728 | | /* Set tree info */ |
1729 | 0 | ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, |
1730 | 0 | tvb, offset, |
1731 | 0 | IV_OGM_PACKET_V15_SIZE, |
1732 | 0 | "B.A.T.M.A.N. IV OGM, Orig: %s", |
1733 | 0 | tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, offset + 8)); |
1734 | 0 | batadv_iv_ogm_tree = proto_item_add_subtree(ti, ett_batadv_iv_ogm); |
1735 | | |
1736 | | /* items */ |
1737 | 0 | iv_ogm_packeth->packet_type = tvb_get_uint8(tvb, offset); |
1738 | 0 | proto_tree_add_uint_format_value(batadv_iv_ogm_tree, |
1739 | 0 | hf_batadv_packet_type, |
1740 | 0 | tvb, offset, 1, BATADV_IV_OGM_V15, |
1741 | 0 | "%s (%u)", "BATADV_IV_OGM", |
1742 | 0 | BATADV_IV_OGM_V15); |
1743 | 0 | offset += 1; |
1744 | |
|
1745 | 0 | iv_ogm_packeth->version = tvb_get_uint8(tvb, offset); |
1746 | 0 | proto_tree_add_item(batadv_iv_ogm_tree, hf_batadv_iv_ogm_version, tvb, |
1747 | 0 | offset, 1, ENC_BIG_ENDIAN); |
1748 | 0 | offset += 1; |
1749 | |
|
1750 | 0 | iv_ogm_packeth->ttl = tvb_get_uint8(tvb, offset); |
1751 | 0 | proto_tree_add_item(batadv_iv_ogm_tree, hf_batadv_iv_ogm_ttl, tvb, |
1752 | 0 | offset, 1, ENC_BIG_ENDIAN); |
1753 | 0 | offset += 1; |
1754 | |
|
1755 | 0 | iv_ogm_packeth->flags = tvb_get_uint8(tvb, offset); |
1756 | 0 | proto_tree_add_bitmask(batadv_iv_ogm_tree, tvb, offset, |
1757 | 0 | hf_batadv_iv_ogm_flags, ett_batadv_iv_ogm_flags, |
1758 | 0 | flags, ENC_NA); |
1759 | 0 | offset += 1; |
1760 | |
|
1761 | 0 | proto_tree_add_item_ret_uint(batadv_iv_ogm_tree, hf_batadv_iv_ogm_seqno, |
1762 | 0 | tvb, offset, 4, ENC_BIG_ENDIAN, |
1763 | 0 | &iv_ogm_packeth->seqno); |
1764 | 0 | col_add_fstr(pinfo->cinfo, COL_INFO, "Seq=%u", iv_ogm_packeth->seqno); |
1765 | 0 | offset += 4; |
1766 | |
|
1767 | 0 | set_address_tvb(&iv_ogm_packeth->orig, AT_ETHER, 6, tvb, offset); |
1768 | 0 | set_address_tvb(&pinfo->dl_src, AT_ETHER, 6, tvb, offset); |
1769 | 0 | set_address_tvb(&pinfo->src, AT_ETHER, 6, tvb, offset); |
1770 | 0 | proto_tree_add_item(batadv_iv_ogm_tree, hf_batadv_iv_ogm_orig, tvb, |
1771 | 0 | offset, 6, ENC_NA); |
1772 | 0 | offset += 6; |
1773 | |
|
1774 | 0 | set_address_tvb(&iv_ogm_packeth->prev_sender, AT_ETHER, 6, tvb, offset); |
1775 | 0 | proto_tree_add_item(batadv_iv_ogm_tree, hf_batadv_iv_ogm_prev_sender, tvb, |
1776 | 0 | offset, 6, ENC_NA); |
1777 | 0 | offset += 6; |
1778 | | |
1779 | | /* Skip 1 byte of padding. */ |
1780 | 0 | iv_ogm_packeth->reserved = tvb_get_uint8(tvb, offset); |
1781 | 0 | offset += 1; |
1782 | |
|
1783 | 0 | iv_ogm_packeth->tq = tvb_get_uint8(tvb, offset); |
1784 | 0 | proto_tree_add_item(batadv_iv_ogm_tree, hf_batadv_iv_ogm_tq, tvb, |
1785 | 0 | offset, 1, ENC_BIG_ENDIAN); |
1786 | 0 | offset += 1; |
1787 | |
|
1788 | 0 | iv_ogm_packeth->tvlv_len = tvb_get_ntohs(tvb, offset); |
1789 | 0 | proto_item_set_len(ti, IV_OGM_PACKET_V15_SIZE + iv_ogm_packeth->tvlv_len); |
1790 | 0 | proto_tree_add_item(batadv_iv_ogm_tree, hf_batadv_iv_ogm_tvlv_len, tvb, |
1791 | 0 | offset, 2, ENC_BIG_ENDIAN); |
1792 | 0 | offset += 2; |
1793 | |
|
1794 | 0 | tap_queue_packet(batadv_tap, pinfo, iv_ogm_packeth); |
1795 | |
|
1796 | 0 | if (iv_ogm_packeth->tvlv_len > 0) { |
1797 | 0 | next_tvb = tvb_new_subset_length(tvb, offset, |
1798 | 0 | iv_ogm_packeth->tvlv_len); |
1799 | |
|
1800 | 0 | if (have_tap_listener(batadv_follow_tap)) { |
1801 | 0 | tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); |
1802 | 0 | } |
1803 | |
|
1804 | 0 | dissect_batadv_tvlv_v15(next_tvb, pinfo, batadv_iv_ogm_tree); |
1805 | 0 | offset += iv_ogm_packeth->tvlv_len; |
1806 | 0 | } |
1807 | |
|
1808 | 0 | return offset; |
1809 | 0 | } |
1810 | | |
1811 | | static void dissect_batadv_tt(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree) |
1812 | 1.53k | { |
1813 | 1.53k | proto_tree *batadv_batman_tt_tree; |
1814 | 1.53k | proto_item *ti; |
1815 | | |
1816 | | /* Set tree info */ |
1817 | 1.53k | ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, 6, |
1818 | 1.53k | "B.A.T.M.A.N. TT: %s", |
1819 | 1.53k | tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, 0)); |
1820 | 1.53k | batadv_batman_tt_tree = proto_item_add_subtree(ti, ett_batadv_batman_tt); |
1821 | | |
1822 | 1.53k | proto_tree_add_item(batadv_batman_tt_tree, hf_batadv_batman_tt, tvb, 0, 6, ENC_NA); |
1823 | 1.53k | } |
1824 | | |
1825 | | static void dissect_batadv_bcast(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) |
1826 | 1 | { |
1827 | 1 | uint8_t version; |
1828 | | |
1829 | | /* set protocol name */ |
1830 | 1 | col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_BCAST"); |
1831 | | |
1832 | 1 | version = tvb_get_uint8(tvb, 1); |
1833 | 1 | switch (version) { |
1834 | 0 | case 6: |
1835 | 0 | case 7: |
1836 | 0 | case 8: |
1837 | 0 | case 9: |
1838 | 0 | dissect_batadv_bcast_v6(tvb, pinfo, tree); |
1839 | 0 | break; |
1840 | 0 | case 10: |
1841 | 0 | case 11: |
1842 | 0 | case 12: |
1843 | 0 | case 13: |
1844 | 0 | dissect_batadv_bcast_v10(tvb, pinfo, tree); |
1845 | 0 | break; |
1846 | 0 | case 14: |
1847 | 0 | case 15: |
1848 | 0 | dissect_batadv_bcast_v14(tvb, pinfo, tree); |
1849 | 0 | break; |
1850 | 1 | default: |
1851 | 1 | col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Version %d", version); |
1852 | 1 | call_data_dissector(tvb, pinfo, tree); |
1853 | 1 | break; |
1854 | 1 | } |
1855 | 1 | } |
1856 | | |
1857 | | static void dissect_batadv_bcast_v6(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) |
1858 | 0 | { |
1859 | 0 | struct bcast_packet_v6 *bcast_packeth; |
1860 | |
|
1861 | 0 | tvbuff_t *next_tvb; |
1862 | 0 | int length_remaining; |
1863 | 0 | unsigned offset = 0; |
1864 | 0 | proto_tree *batadv_bcast_tree; |
1865 | 0 | proto_item *ti; |
1866 | |
|
1867 | 0 | bcast_packeth = wmem_new(pinfo->pool, struct bcast_packet_v6); |
1868 | |
|
1869 | 0 | bcast_packeth->version = tvb_get_uint8(tvb, 1); |
1870 | 0 | set_address_tvb(&bcast_packeth->orig, AT_ETHER, 6, tvb, 2); |
1871 | 0 | copy_address_shallow(&pinfo->dl_src, &bcast_packeth->orig); |
1872 | 0 | copy_address_shallow(&pinfo->src, &bcast_packeth->orig); |
1873 | 0 | bcast_packeth->seqno = tvb_get_ntohs(tvb, 8); |
1874 | | |
1875 | | /* Set info column */ |
1876 | 0 | col_add_fstr(pinfo->cinfo, COL_INFO, "Seq=%u", bcast_packeth->seqno); |
1877 | | |
1878 | | /* Set tree info */ |
1879 | 0 | ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, BCAST_PACKET_V6_SIZE, |
1880 | 0 | "B.A.T.M.A.N. Bcast, Orig: %s", |
1881 | 0 | address_with_resolution_to_str(pinfo->pool, &bcast_packeth->orig)); |
1882 | 0 | batadv_bcast_tree = proto_item_add_subtree(ti, ett_batadv_bcast); |
1883 | | |
1884 | | /* items */ |
1885 | 0 | proto_tree_add_uint_format(batadv_bcast_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_BCAST_V5, |
1886 | 0 | "Packet Type: %s (%u)", "BATADV_BCAST", BATADV_BCAST_V5); |
1887 | 0 | offset += 1; |
1888 | |
|
1889 | 0 | proto_tree_add_item(batadv_bcast_tree, hf_batadv_bcast_version, tvb, offset, 1, ENC_BIG_ENDIAN); |
1890 | 0 | offset += 1; |
1891 | |
|
1892 | 0 | proto_tree_add_item(batadv_bcast_tree, hf_batadv_bcast_orig, tvb, offset, 6, ENC_NA); |
1893 | 0 | offset += 6; |
1894 | |
|
1895 | 0 | proto_tree_add_item(batadv_bcast_tree, hf_batadv_bcast_seqno, tvb, offset, 2, ENC_BIG_ENDIAN); |
1896 | 0 | offset += 2; |
1897 | |
|
1898 | 0 | tap_queue_packet(batadv_tap, pinfo, bcast_packeth); |
1899 | |
|
1900 | 0 | length_remaining = tvb_reported_length_remaining(tvb, offset); |
1901 | 0 | if (length_remaining > 0) { |
1902 | 0 | next_tvb = tvb_new_subset_remaining(tvb, offset); |
1903 | 0 | if (have_tap_listener(batadv_follow_tap)) { |
1904 | 0 | tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); |
1905 | 0 | } |
1906 | |
|
1907 | 0 | call_dissector(eth_handle, next_tvb, pinfo, tree); |
1908 | 0 | } |
1909 | 0 | } |
1910 | | |
1911 | | static void dissect_batadv_bcast_v10(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) |
1912 | 0 | { |
1913 | 0 | struct bcast_packet_v10 *bcast_packeth; |
1914 | |
|
1915 | 0 | tvbuff_t *next_tvb; |
1916 | 0 | int length_remaining; |
1917 | 0 | unsigned offset = 0; |
1918 | 0 | proto_tree *batadv_bcast_tree; |
1919 | 0 | proto_item *ti; |
1920 | |
|
1921 | 0 | bcast_packeth = wmem_new(pinfo->pool, struct bcast_packet_v10); |
1922 | |
|
1923 | 0 | bcast_packeth->version = tvb_get_uint8(tvb, 1); |
1924 | 0 | set_address_tvb(&bcast_packeth->orig, AT_ETHER, 6, tvb, 2); |
1925 | 0 | copy_address_shallow(&pinfo->dl_src, &bcast_packeth->orig); |
1926 | 0 | copy_address_shallow(&pinfo->src, &bcast_packeth->orig); |
1927 | 0 | bcast_packeth->ttl = tvb_get_uint8(tvb, 8); |
1928 | 0 | bcast_packeth->seqno = tvb_get_ntohl(tvb, 9); |
1929 | | |
1930 | | /* Set info column */ |
1931 | 0 | col_add_fstr(pinfo->cinfo, COL_INFO, "Seq=%u", bcast_packeth->seqno); |
1932 | | |
1933 | | /* Set tree info */ |
1934 | 0 | ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, BCAST_PACKET_V10_SIZE, |
1935 | 0 | "B.A.T.M.A.N. Bcast, Orig: %s", |
1936 | 0 | address_with_resolution_to_str(pinfo->pool, &bcast_packeth->orig)); |
1937 | 0 | batadv_bcast_tree = proto_item_add_subtree(ti, ett_batadv_bcast); |
1938 | | |
1939 | | /* items */ |
1940 | 0 | proto_tree_add_uint_format(batadv_bcast_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_BCAST_V5, |
1941 | 0 | "Packet Type: %s (%u)", "BATADV_BCAST", BATADV_BCAST_V5); |
1942 | 0 | offset += 1; |
1943 | |
|
1944 | 0 | proto_tree_add_item(batadv_bcast_tree, hf_batadv_bcast_version, tvb, offset, 1, ENC_BIG_ENDIAN); |
1945 | 0 | offset += 1; |
1946 | |
|
1947 | 0 | proto_tree_add_item(batadv_bcast_tree, hf_batadv_bcast_orig, tvb, offset, 6, ENC_NA); |
1948 | 0 | offset += 6; |
1949 | |
|
1950 | 0 | proto_tree_add_item(batadv_bcast_tree, hf_batadv_bcast_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); |
1951 | 0 | offset += 1; |
1952 | |
|
1953 | 0 | proto_tree_add_item(batadv_bcast_tree, hf_batadv_bcast_seqno32, tvb, offset, 4, ENC_BIG_ENDIAN); |
1954 | 0 | offset += 4; |
1955 | |
|
1956 | 0 | tap_queue_packet(batadv_tap, pinfo, bcast_packeth); |
1957 | |
|
1958 | 0 | length_remaining = tvb_reported_length_remaining(tvb, offset); |
1959 | 0 | if (length_remaining > 0) { |
1960 | 0 | next_tvb = tvb_new_subset_remaining(tvb, offset); |
1961 | |
|
1962 | 0 | if (have_tap_listener(batadv_follow_tap)) { |
1963 | 0 | tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); |
1964 | 0 | } |
1965 | |
|
1966 | 0 | call_dissector(eth_handle, next_tvb, pinfo, tree); |
1967 | 0 | } |
1968 | 0 | } |
1969 | | |
1970 | | static void dissect_batadv_bcast_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) |
1971 | 0 | { |
1972 | 0 | struct bcast_packet_v14 *bcast_packeth; |
1973 | |
|
1974 | 0 | tvbuff_t *next_tvb; |
1975 | 0 | int length_remaining; |
1976 | 0 | unsigned offset = 0; |
1977 | 0 | proto_tree *batadv_bcast_tree; |
1978 | 0 | proto_item *ti; |
1979 | |
|
1980 | 0 | bcast_packeth = wmem_new(pinfo->pool, struct bcast_packet_v14); |
1981 | |
|
1982 | 0 | bcast_packeth->packet_type = tvb_get_uint8(tvb, 0); |
1983 | 0 | bcast_packeth->version = tvb_get_uint8(tvb, 1); |
1984 | 0 | bcast_packeth->ttl = tvb_get_uint8(tvb, 2); |
1985 | 0 | bcast_packeth->reserved = tvb_get_uint8(tvb, 3); |
1986 | 0 | bcast_packeth->seqno = tvb_get_ntohl(tvb, 4); |
1987 | 0 | set_address_tvb(&bcast_packeth->orig, AT_ETHER, 6, tvb, 8); |
1988 | 0 | copy_address_shallow(&pinfo->dl_src, &bcast_packeth->orig); |
1989 | 0 | copy_address_shallow(&pinfo->src, &bcast_packeth->orig); |
1990 | | |
1991 | | /* Set info column */ |
1992 | 0 | col_add_fstr(pinfo->cinfo, COL_INFO, "Seq=%u", bcast_packeth->seqno); |
1993 | | |
1994 | | /* Set tree info */ |
1995 | 0 | ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, BCAST_PACKET_V14_SIZE, |
1996 | 0 | "B.A.T.M.A.N. Bcast, Orig: %s", |
1997 | 0 | address_with_resolution_to_str(pinfo->pool, &bcast_packeth->orig)); |
1998 | 0 | batadv_bcast_tree = proto_item_add_subtree(ti, ett_batadv_bcast); |
1999 | | |
2000 | | /* items */ |
2001 | 0 | proto_tree_add_uint_format_value(batadv_bcast_tree, |
2002 | 0 | hf_batadv_packet_type, tvb, offset, 1, |
2003 | 0 | bcast_packeth->packet_type, |
2004 | 0 | "%s (%u)", "BATADV_BCAST", |
2005 | 0 | bcast_packeth->packet_type); |
2006 | 0 | offset += 1; |
2007 | |
|
2008 | 0 | proto_tree_add_item(batadv_bcast_tree, hf_batadv_bcast_version, tvb, offset, 1, ENC_BIG_ENDIAN); |
2009 | 0 | offset += 1; |
2010 | |
|
2011 | 0 | proto_tree_add_item(batadv_bcast_tree, hf_batadv_bcast_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); |
2012 | 0 | offset += 1; |
2013 | | |
2014 | | /* Skip 1 byte of padding. */ |
2015 | 0 | offset += 1; |
2016 | |
|
2017 | 0 | proto_tree_add_item(batadv_bcast_tree, hf_batadv_bcast_seqno32, tvb, offset, 4, ENC_BIG_ENDIAN); |
2018 | 0 | offset += 4; |
2019 | |
|
2020 | 0 | proto_tree_add_item(batadv_bcast_tree, hf_batadv_bcast_orig, tvb, offset, 6, ENC_NA); |
2021 | 0 | offset += 6; |
2022 | |
|
2023 | 0 | tap_queue_packet(batadv_tap, pinfo, bcast_packeth); |
2024 | |
|
2025 | 0 | length_remaining = tvb_reported_length_remaining(tvb, offset); |
2026 | 0 | if (length_remaining > 0) { |
2027 | 0 | next_tvb = tvb_new_subset_remaining(tvb, offset); |
2028 | |
|
2029 | 0 | if (have_tap_listener(batadv_follow_tap)) { |
2030 | 0 | tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); |
2031 | 0 | } |
2032 | |
|
2033 | 0 | call_dissector(eth_handle, next_tvb, pinfo, tree); |
2034 | 0 | } |
2035 | 0 | } |
2036 | | |
2037 | | static void dissect_batadv_icmp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) |
2038 | 3 | { |
2039 | 3 | uint8_t version; |
2040 | | |
2041 | | /* set protocol name */ |
2042 | 3 | col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_ICMP"); |
2043 | | |
2044 | 3 | version = tvb_get_uint8(tvb, 1); |
2045 | 3 | switch (version) { |
2046 | 0 | case 6: |
2047 | 0 | dissect_batadv_icmp_v6(tvb, pinfo, tree); |
2048 | 0 | break; |
2049 | 0 | case 7: |
2050 | 0 | case 8: |
2051 | 0 | case 9: |
2052 | 0 | case 10: |
2053 | 0 | case 11: |
2054 | 0 | case 12: |
2055 | 3 | case 13: |
2056 | 3 | dissect_batadv_icmp_v7(tvb, pinfo, tree); |
2057 | 3 | break; |
2058 | 0 | case 14: |
2059 | 0 | dissect_batadv_icmp_v14(tvb, pinfo, tree); |
2060 | 0 | break; |
2061 | 0 | case 15: |
2062 | 0 | dissect_batadv_icmp_v15(tvb, pinfo, tree); |
2063 | 0 | break; |
2064 | 0 | default: |
2065 | 0 | col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Version %d", version); |
2066 | 0 | call_data_dissector(tvb, pinfo, tree); |
2067 | 0 | break; |
2068 | 3 | } |
2069 | 3 | } |
2070 | | |
2071 | | static void dissect_batadv_icmp_v6(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) |
2072 | 0 | { |
2073 | 0 | struct icmp_packet_v6 *icmp_packeth; |
2074 | 0 | tvbuff_t *next_tvb; |
2075 | 0 | int length_remaining; |
2076 | 0 | unsigned offset = 0; |
2077 | 0 | proto_tree *batadv_icmp_tree; |
2078 | 0 | proto_item *ti; |
2079 | |
|
2080 | 0 | icmp_packeth = wmem_new(pinfo->pool, struct icmp_packet_v6); |
2081 | |
|
2082 | 0 | icmp_packeth->version = tvb_get_uint8(tvb, 1); |
2083 | 0 | icmp_packeth->msg_type = tvb_get_uint8(tvb, 2); |
2084 | 0 | set_address_tvb(&icmp_packeth->dst, AT_ETHER, 6, tvb, 3); |
2085 | 0 | set_address_tvb(&icmp_packeth->orig, AT_ETHER, 6, tvb, 9); |
2086 | |
|
2087 | 0 | copy_address_shallow(&pinfo->dl_src, &icmp_packeth->orig); |
2088 | 0 | copy_address_shallow(&pinfo->src, &icmp_packeth->orig); |
2089 | 0 | copy_address_shallow(&pinfo->dl_dst, &icmp_packeth->dst); |
2090 | 0 | copy_address_shallow(&pinfo->dst, &icmp_packeth->dst); |
2091 | |
|
2092 | 0 | icmp_packeth->ttl = tvb_get_uint8(tvb, 15); |
2093 | 0 | icmp_packeth->uid = tvb_get_uint8(tvb, 16); |
2094 | 0 | icmp_packeth->seqno = tvb_get_ntohs(tvb, 17); |
2095 | | |
2096 | | /* Set info column */ |
2097 | 0 | col_add_fstr(pinfo->cinfo, COL_INFO, "[%s] Seq=%u", |
2098 | 0 | val_to_str(pinfo->pool, icmp_packeth->msg_type, icmp_packettypenames, "Unknown (0x%02x)"), |
2099 | 0 | icmp_packeth->seqno); |
2100 | | /* Set tree info */ |
2101 | 0 | ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, ICMP_PACKET_V6_SIZE, |
2102 | 0 | "B.A.T.M.A.N. ICMP, Orig: %s, Dst: %s", |
2103 | 0 | address_with_resolution_to_str(pinfo->pool, &icmp_packeth->orig), |
2104 | 0 | address_with_resolution_to_str(pinfo->pool, &icmp_packeth->dst)); |
2105 | 0 | batadv_icmp_tree = proto_item_add_subtree(ti, ett_batadv_icmp); |
2106 | | |
2107 | | /* items */ |
2108 | 0 | proto_tree_add_uint_format(batadv_icmp_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_ICMP_V5, |
2109 | 0 | "Packet Type: %s (%u)", "BATADV_ICMP", BATADV_ICMP_V5); |
2110 | 0 | offset += 1; |
2111 | |
|
2112 | 0 | proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_version, tvb, offset, 1, ENC_BIG_ENDIAN); |
2113 | 0 | offset += 1; |
2114 | |
|
2115 | 0 | proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_msg_type, tvb, offset, 1, ENC_BIG_ENDIAN); |
2116 | 0 | offset += 1; |
2117 | |
|
2118 | 0 | proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_dst, tvb, offset, 6, ENC_NA); |
2119 | 0 | offset += 6; |
2120 | |
|
2121 | 0 | proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_orig, tvb, offset, 6, ENC_NA); |
2122 | 0 | offset += 6; |
2123 | |
|
2124 | 0 | proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); |
2125 | 0 | offset += 1; |
2126 | |
|
2127 | 0 | proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_uid, tvb, offset, 1, ENC_BIG_ENDIAN); |
2128 | 0 | offset += 1; |
2129 | |
|
2130 | 0 | proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_seqno, tvb, offset, 2, ENC_BIG_ENDIAN); |
2131 | 0 | offset += 2; |
2132 | |
|
2133 | 0 | tap_queue_packet(batadv_tap, pinfo, icmp_packeth); |
2134 | |
|
2135 | 0 | length_remaining = tvb_reported_length_remaining(tvb, offset); |
2136 | 0 | if (length_remaining > 0) { |
2137 | 0 | next_tvb = tvb_new_subset_remaining(tvb, offset); |
2138 | |
|
2139 | 0 | call_data_dissector(next_tvb, pinfo, tree); |
2140 | 0 | } |
2141 | 0 | } |
2142 | | |
2143 | | static void |
2144 | | dissect_batadv_icmp_rr(packet_info *pinfo, proto_tree *batadv_icmp_tree, tvbuff_t *tvb, unsigned offset) |
2145 | 3 | { |
2146 | 3 | proto_tree *field_tree; |
2147 | 3 | int ptr, i; |
2148 | | |
2149 | 3 | ptr = tvb_get_uint8(tvb, offset); |
2150 | 3 | if (ptr < 1 || ptr > BAT_RR_LEN) |
2151 | 1 | return; |
2152 | | |
2153 | 2 | field_tree = proto_tree_add_subtree(batadv_icmp_tree, tvb, offset, 1+ 6 * BAT_RR_LEN, |
2154 | 2 | ett_batadv_icmp_rr, NULL, "ICMP RR"); |
2155 | 2 | proto_tree_add_item(field_tree, hf_batadv_icmp_rr_pointer, tvb, offset, 1, ENC_BIG_ENDIAN); |
2156 | | |
2157 | 2 | ptr--; |
2158 | 2 | offset++; |
2159 | 34 | for (i = 0; i < BAT_RR_LEN; i++) { |
2160 | 32 | proto_tree_add_ether_format(field_tree, hf_batadv_icmp_rr_ether, tvb, offset, 6, tvb_get_ptr(tvb, offset, 6), |
2161 | 32 | "%s%s", (i > ptr) ? "-" : tvb_ether_to_str(pinfo->pool, tvb, offset), |
2162 | 32 | (i == ptr) ? " <- (current)" : ""); |
2163 | | |
2164 | 32 | offset += 6; |
2165 | 32 | } |
2166 | 2 | } |
2167 | | |
2168 | | static void |
2169 | | dissect_batadv_icmp_rr_v15(packet_info *pinfo, proto_tree *batadv_icmp_tree, tvbuff_t *tvb, |
2170 | | unsigned offset, int ptr) |
2171 | 0 | { |
2172 | 0 | proto_tree *field_tree; |
2173 | 0 | int i; |
2174 | |
|
2175 | 0 | field_tree = proto_tree_add_subtree(batadv_icmp_tree, tvb, offset, |
2176 | 0 | 6 * BAT_RR_LEN, |
2177 | 0 | ett_batadv_icmp_rr, NULL, |
2178 | 0 | "ICMP RR"); |
2179 | 0 | ptr--; |
2180 | |
|
2181 | 0 | for (i = 0; i < BAT_RR_LEN; i++) { |
2182 | 0 | proto_tree_add_ether_format(field_tree, hf_batadv_icmp_rr_ether, |
2183 | 0 | tvb, offset, 6, |
2184 | 0 | tvb_get_ptr(tvb, offset, 6), |
2185 | 0 | "%s%s", |
2186 | 0 | (i > ptr) ? "-" : tvb_ether_to_str(pinfo->pool, tvb, offset), |
2187 | 0 | (i == ptr) ? " <- (current)" : ""); |
2188 | |
|
2189 | 0 | offset += 6; |
2190 | 0 | } |
2191 | 0 | } |
2192 | | |
2193 | | static void dissect_batadv_icmp_v7(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) |
2194 | 3 | { |
2195 | 3 | struct icmp_packet_v7 *icmp_packeth; |
2196 | 3 | proto_item *ti; |
2197 | 3 | proto_tree *batadv_icmp_tree; |
2198 | | |
2199 | 3 | tvbuff_t *next_tvb; |
2200 | 3 | int length_remaining; |
2201 | 3 | unsigned offset = 0; |
2202 | | |
2203 | 3 | icmp_packeth = wmem_new(pinfo->pool, struct icmp_packet_v7); |
2204 | | |
2205 | 3 | icmp_packeth->version = tvb_get_uint8(tvb, 1); |
2206 | 3 | icmp_packeth->msg_type = tvb_get_uint8(tvb, 2); |
2207 | 3 | icmp_packeth->ttl = tvb_get_uint8(tvb, 3); |
2208 | 3 | set_address_tvb(&icmp_packeth->dst, AT_ETHER, 6, tvb, 4); |
2209 | 3 | set_address_tvb(&icmp_packeth->orig, AT_ETHER, 6, tvb, 10); |
2210 | | |
2211 | 3 | copy_address_shallow(&pinfo->dl_src, &icmp_packeth->orig); |
2212 | 3 | copy_address_shallow(&pinfo->src, &icmp_packeth->orig); |
2213 | 3 | copy_address_shallow(&pinfo->dl_dst, &icmp_packeth->dst); |
2214 | 3 | copy_address_shallow(&pinfo->dst, &icmp_packeth->dst); |
2215 | | |
2216 | 3 | icmp_packeth->seqno = tvb_get_ntohs(tvb, 16); |
2217 | 3 | icmp_packeth->uid = tvb_get_uint8(tvb, 18); |
2218 | | |
2219 | | /* Set info column */ |
2220 | 3 | col_add_fstr(pinfo->cinfo, COL_INFO, "[%s] Seq=%u", |
2221 | 3 | val_to_str(pinfo->pool, icmp_packeth->msg_type, icmp_packettypenames, "Unknown (0x%02x)"), |
2222 | 3 | icmp_packeth->seqno); |
2223 | | |
2224 | | /* Set tree info */ |
2225 | 3 | ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, ICMP_PACKET_V7_SIZE, |
2226 | 3 | "B.A.T.M.A.N. ICMP, Orig: %s, Dst: %s", |
2227 | 3 | address_with_resolution_to_str(pinfo->pool, &icmp_packeth->orig), |
2228 | 3 | address_with_resolution_to_str(pinfo->pool, &icmp_packeth->dst)); |
2229 | 3 | batadv_icmp_tree = proto_item_add_subtree(ti, ett_batadv_icmp); |
2230 | | |
2231 | | /* items */ |
2232 | 3 | proto_tree_add_uint_format(batadv_icmp_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_ICMP_V5, |
2233 | 3 | "Packet Type: %s (%u)", "BATADV_ICMP", BATADV_ICMP_V5); |
2234 | 3 | offset += 1; |
2235 | | |
2236 | 3 | proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_version, tvb, offset, 1, ENC_BIG_ENDIAN); |
2237 | 3 | offset += 1; |
2238 | | |
2239 | 3 | proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_msg_type, tvb, offset, 1, ENC_BIG_ENDIAN); |
2240 | 3 | offset += 1; |
2241 | | |
2242 | 3 | proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); |
2243 | 3 | offset += 1; |
2244 | | |
2245 | 3 | proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_dst, tvb, offset, 6, ENC_NA); |
2246 | 3 | offset += 6; |
2247 | | |
2248 | 3 | proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_orig, tvb, offset, 6, ENC_NA); |
2249 | 3 | offset += 6; |
2250 | | |
2251 | 3 | proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_seqno, tvb, offset, 2, ENC_BIG_ENDIAN); |
2252 | 3 | offset += 2; |
2253 | | |
2254 | 3 | proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_uid, tvb, offset, 1, ENC_BIG_ENDIAN); |
2255 | 3 | offset += 1; |
2256 | | |
2257 | | /* rr data available? */ |
2258 | 3 | length_remaining = tvb_reported_length_remaining(tvb, offset); |
2259 | 3 | if (length_remaining >= 1 + BAT_RR_LEN * 6) { |
2260 | 3 | dissect_batadv_icmp_rr(pinfo, batadv_icmp_tree, tvb, offset); |
2261 | 3 | offset += 1 + BAT_RR_LEN * 6; |
2262 | 3 | } |
2263 | | |
2264 | 3 | tap_queue_packet(batadv_tap, pinfo, icmp_packeth); |
2265 | | |
2266 | 3 | length_remaining = tvb_reported_length_remaining(tvb, offset); |
2267 | 3 | if (length_remaining > 0) { |
2268 | 3 | next_tvb = tvb_new_subset_remaining(tvb, offset); |
2269 | 3 | call_data_dissector(next_tvb, pinfo, tree); |
2270 | 3 | } |
2271 | 3 | } |
2272 | | |
2273 | | static void dissect_batadv_icmp_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) |
2274 | 0 | { |
2275 | 0 | struct icmp_packet_v14 *icmp_packeth; |
2276 | 0 | proto_item *ti; |
2277 | 0 | proto_tree *batadv_icmp_tree; |
2278 | |
|
2279 | 0 | tvbuff_t *next_tvb; |
2280 | 0 | int length_remaining; |
2281 | 0 | unsigned offset = 0; |
2282 | |
|
2283 | 0 | icmp_packeth = wmem_new(pinfo->pool, struct icmp_packet_v14); |
2284 | |
|
2285 | 0 | icmp_packeth->version = tvb_get_uint8(tvb, 1); |
2286 | 0 | icmp_packeth->ttl = tvb_get_uint8(tvb, 2); |
2287 | 0 | icmp_packeth->msg_type = tvb_get_uint8(tvb, 3); |
2288 | 0 | set_address_tvb(&icmp_packeth->dst, AT_ETHER, 6, tvb, 4); |
2289 | 0 | set_address_tvb(&icmp_packeth->orig, AT_ETHER, 6, tvb, 10); |
2290 | |
|
2291 | 0 | copy_address_shallow(&pinfo->dl_src, &icmp_packeth->orig); |
2292 | 0 | copy_address_shallow(&pinfo->src, &icmp_packeth->orig); |
2293 | 0 | copy_address_shallow(&pinfo->dl_dst, &icmp_packeth->dst); |
2294 | 0 | copy_address_shallow(&pinfo->dst, &icmp_packeth->dst); |
2295 | |
|
2296 | 0 | icmp_packeth->seqno = tvb_get_ntohs(tvb, 16); |
2297 | 0 | icmp_packeth->uid = tvb_get_uint8(tvb, 18); |
2298 | 0 | icmp_packeth->reserved = tvb_get_uint8(tvb, 19); |
2299 | | |
2300 | | /* Set info column */ |
2301 | 0 | col_add_fstr(pinfo->cinfo, COL_INFO, "[%s] Seq=%u", |
2302 | 0 | val_to_str(pinfo->pool, icmp_packeth->msg_type, icmp_packettypenames, "Unknown (0x%02x)"), |
2303 | 0 | icmp_packeth->seqno); |
2304 | | |
2305 | | /* Set tree info */ |
2306 | 0 | ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, ICMP_PACKET_V14_SIZE, |
2307 | 0 | "B.A.T.M.A.N. ICMP, Orig: %s, Dst: %s", |
2308 | 0 | address_with_resolution_to_str(pinfo->pool, &icmp_packeth->orig), |
2309 | 0 | address_with_resolution_to_str(pinfo->pool, &icmp_packeth->dst)); |
2310 | 0 | batadv_icmp_tree = proto_item_add_subtree(ti, ett_batadv_icmp); |
2311 | | |
2312 | | /* items */ |
2313 | 0 | proto_tree_add_uint_format(batadv_icmp_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_ICMP_V5, |
2314 | 0 | "Packet Type: %s (%u)", "BATADV_ICMP", BATADV_ICMP_V5); |
2315 | 0 | offset += 1; |
2316 | |
|
2317 | 0 | proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_version, tvb, offset, 1, ENC_BIG_ENDIAN); |
2318 | 0 | offset += 1; |
2319 | |
|
2320 | 0 | proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); |
2321 | 0 | offset += 1; |
2322 | |
|
2323 | 0 | proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_msg_type, tvb, offset, 1, ENC_BIG_ENDIAN); |
2324 | 0 | offset += 1; |
2325 | |
|
2326 | 0 | proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_dst, tvb, offset, 6, ENC_NA); |
2327 | 0 | offset += 6; |
2328 | |
|
2329 | 0 | proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_orig, tvb, offset, 6, ENC_NA); |
2330 | 0 | offset += 6; |
2331 | |
|
2332 | 0 | proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_seqno, tvb, offset, 2, ENC_BIG_ENDIAN); |
2333 | 0 | offset += 2; |
2334 | |
|
2335 | 0 | proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_uid, tvb, offset, 1, ENC_BIG_ENDIAN); |
2336 | 0 | offset += 1; |
2337 | | |
2338 | | /* Skip 1 byte of padding. */ |
2339 | 0 | offset += 1; |
2340 | | |
2341 | | /* rr data available? */ |
2342 | 0 | length_remaining = tvb_reported_length_remaining(tvb, offset); |
2343 | 0 | if (length_remaining >= 1 + BAT_RR_LEN * 6) { |
2344 | 0 | dissect_batadv_icmp_rr(pinfo, batadv_icmp_tree, tvb, offset); |
2345 | 0 | offset += 1 + BAT_RR_LEN * 6; |
2346 | 0 | } |
2347 | |
|
2348 | 0 | tap_queue_packet(batadv_tap, pinfo, icmp_packeth); |
2349 | |
|
2350 | 0 | length_remaining = tvb_reported_length_remaining(tvb, offset); |
2351 | 0 | if (length_remaining > 0) { |
2352 | 0 | next_tvb = tvb_new_subset_remaining(tvb, offset); |
2353 | 0 | call_data_dissector(next_tvb, pinfo, tree); |
2354 | 0 | } |
2355 | 0 | } |
2356 | | |
2357 | | static void dissect_batadv_icmp_tp_v15(tvbuff_t *tvb, packet_info *pinfo, |
2358 | | proto_tree *tree) |
2359 | 0 | { |
2360 | 0 | struct icmp_tp_packet_v15 *icmp_packeth; |
2361 | 0 | proto_item *ti; |
2362 | 0 | proto_tree *batadv_icmp_tree = NULL; |
2363 | |
|
2364 | 0 | tvbuff_t *next_tvb; |
2365 | 0 | int length_remaining; |
2366 | 0 | uint32_t msg_type; |
2367 | 0 | unsigned offset = 0; |
2368 | |
|
2369 | 0 | icmp_packeth = wmem_new(pinfo->pool, struct icmp_tp_packet_v15); |
2370 | | |
2371 | | /* Set info column */ |
2372 | 0 | col_clear(pinfo->cinfo, COL_INFO); |
2373 | | |
2374 | | /* Set tree info */ |
2375 | 0 | ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, |
2376 | 0 | tvb, 0, ICMP_PACKET_V14_SIZE, |
2377 | 0 | "B.A.T.M.A.N. ICMP TP, Orig: %s, Dst: %s", |
2378 | 0 | tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, 10), |
2379 | 0 | tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, 4)); |
2380 | 0 | batadv_icmp_tree = proto_item_add_subtree(ti, ett_batadv_icmp); |
2381 | | |
2382 | | /* items */ |
2383 | 0 | icmp_packeth->packet_type = tvb_get_uint8(tvb, offset); |
2384 | 0 | proto_tree_add_uint_format_value(batadv_icmp_tree, |
2385 | 0 | hf_batadv_packet_type, tvb, |
2386 | 0 | offset, 1, icmp_packeth->packet_type, |
2387 | 0 | "%s (%u)", "BATADV_ICMP", |
2388 | 0 | icmp_packeth->packet_type); |
2389 | 0 | offset += 1; |
2390 | |
|
2391 | 0 | icmp_packeth->version = tvb_get_uint8(tvb, offset); |
2392 | 0 | proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_version, tvb, |
2393 | 0 | offset, 1, ENC_BIG_ENDIAN); |
2394 | 0 | offset += 1; |
2395 | |
|
2396 | 0 | icmp_packeth->ttl = tvb_get_uint8(tvb, offset); |
2397 | 0 | proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_ttl, tvb, offset, |
2398 | 0 | 1, ENC_BIG_ENDIAN); |
2399 | 0 | offset += 1; |
2400 | |
|
2401 | 0 | icmp_packeth->msg_type = tvb_get_uint8(tvb, offset); |
2402 | 0 | proto_tree_add_item_ret_uint(batadv_icmp_tree, hf_batadv_icmp_msg_type, |
2403 | 0 | tvb, offset, 1, ENC_BIG_ENDIAN, &msg_type); |
2404 | 0 | col_add_fstr(pinfo->cinfo, COL_INFO, "[%s]", |
2405 | 0 | val_to_str(pinfo->pool, msg_type, icmp_packettypenames, |
2406 | 0 | "Unknown (0x%02x)")); |
2407 | 0 | offset += 1; |
2408 | |
|
2409 | 0 | set_address_tvb(&icmp_packeth->dst, AT_ETHER, 6, tvb, offset); |
2410 | 0 | copy_address_shallow(&pinfo->dl_dst, &icmp_packeth->dst); |
2411 | 0 | copy_address_shallow(&pinfo->dst, &icmp_packeth->dst); |
2412 | |
|
2413 | 0 | proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_dst, tvb, offset, |
2414 | 0 | 6, ENC_NA); |
2415 | 0 | offset += 6; |
2416 | |
|
2417 | 0 | set_address_tvb(&icmp_packeth->orig, AT_ETHER, 6, tvb, offset); |
2418 | 0 | copy_address_shallow(&pinfo->dl_src, &icmp_packeth->orig); |
2419 | 0 | copy_address_shallow(&pinfo->src, &icmp_packeth->orig); |
2420 | 0 | proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_orig, tvb, offset, |
2421 | 0 | 6, ENC_NA); |
2422 | 0 | offset += 6; |
2423 | |
|
2424 | 0 | icmp_packeth->uid = tvb_get_uint8(tvb, offset); |
2425 | 0 | proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_uid, tvb, offset, |
2426 | 0 | 1, ENC_BIG_ENDIAN); |
2427 | 0 | offset += 1; |
2428 | |
|
2429 | 0 | icmp_packeth->subtype = tvb_get_uint8(tvb, offset); |
2430 | 0 | proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_tp_subtype, tvb, |
2431 | 0 | offset, 1, ENC_BIG_ENDIAN); |
2432 | 0 | offset += 1; |
2433 | |
|
2434 | 0 | icmp_packeth->session = tvb_get_ntohs(tvb, offset); |
2435 | 0 | proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_tp_session, tvb, |
2436 | 0 | offset, 2, ENC_BIG_ENDIAN); |
2437 | 0 | offset += 2; |
2438 | |
|
2439 | 0 | proto_tree_add_item_ret_uint(batadv_icmp_tree, hf_batadv_icmp_tp_seqno, |
2440 | 0 | tvb, offset, 4, ENC_BIG_ENDIAN, |
2441 | 0 | &icmp_packeth->seqno); |
2442 | 0 | col_append_fstr(pinfo->cinfo, COL_INFO, " Seq=%u", icmp_packeth->seqno); |
2443 | 0 | offset += 4; |
2444 | |
|
2445 | 0 | icmp_packeth->timestamp = tvb_get_ntohl(tvb, offset); |
2446 | 0 | proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_tp_timestamp, tvb, |
2447 | 0 | offset, 4, ENC_BIG_ENDIAN); |
2448 | 0 | offset += 4; |
2449 | |
|
2450 | 0 | tap_queue_packet(batadv_tap, pinfo, icmp_packeth); |
2451 | |
|
2452 | 0 | length_remaining = tvb_reported_length_remaining(tvb, offset); |
2453 | 0 | if (length_remaining > 0) { |
2454 | 0 | next_tvb = tvb_new_subset_remaining(tvb, offset); |
2455 | 0 | call_data_dissector(next_tvb, pinfo, tree); |
2456 | 0 | } |
2457 | 0 | } |
2458 | | |
2459 | | static void dissect_batadv_icmp_simple_v15(tvbuff_t *tvb, packet_info *pinfo, |
2460 | | proto_tree *tree) |
2461 | 0 | { |
2462 | 0 | struct icmp_packet_v15 *icmp_packeth; |
2463 | 0 | proto_item *ti; |
2464 | 0 | proto_tree *batadv_icmp_tree; |
2465 | |
|
2466 | 0 | tvbuff_t *next_tvb; |
2467 | 0 | int length_remaining; |
2468 | 0 | uint32_t msg_type; |
2469 | 0 | unsigned offset = 0; |
2470 | 0 | uint32_t seqno; |
2471 | |
|
2472 | 0 | icmp_packeth = wmem_new(pinfo->pool, struct icmp_packet_v15); |
2473 | | |
2474 | | /* Set info column */ |
2475 | 0 | col_clear(pinfo->cinfo, COL_INFO); |
2476 | | |
2477 | | /* Set tree info */ |
2478 | 0 | ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, |
2479 | 0 | tvb, 0, ICMP_PACKET_V14_SIZE, |
2480 | 0 | "B.A.T.M.A.N. ICMP, Orig: %s, Dst: %s", |
2481 | 0 | tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, 10), |
2482 | 0 | tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, 4)); |
2483 | 0 | batadv_icmp_tree = proto_item_add_subtree(ti, ett_batadv_icmp); |
2484 | | |
2485 | | /* items */ |
2486 | 0 | icmp_packeth->packet_type = tvb_get_uint8(tvb, offset); |
2487 | 0 | proto_tree_add_uint_format_value(batadv_icmp_tree, |
2488 | 0 | hf_batadv_packet_type, tvb, |
2489 | 0 | offset, 1, icmp_packeth->packet_type, |
2490 | 0 | "%s (%u)", "BATADV_ICMP", |
2491 | 0 | icmp_packeth->packet_type); |
2492 | 0 | offset += 1; |
2493 | |
|
2494 | 0 | icmp_packeth->version = tvb_get_uint8(tvb, offset); |
2495 | 0 | proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_version, tvb, |
2496 | 0 | offset, 1, ENC_BIG_ENDIAN); |
2497 | 0 | offset += 1; |
2498 | |
|
2499 | 0 | icmp_packeth->ttl = tvb_get_uint8(tvb, offset); |
2500 | 0 | proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_ttl, tvb, offset, |
2501 | 0 | 1, ENC_BIG_ENDIAN); |
2502 | 0 | offset += 1; |
2503 | |
|
2504 | 0 | icmp_packeth->msg_type = tvb_get_uint8(tvb, offset); |
2505 | 0 | proto_tree_add_item_ret_uint(batadv_icmp_tree, hf_batadv_icmp_msg_type, |
2506 | 0 | tvb, offset, 1, ENC_BIG_ENDIAN, &msg_type); |
2507 | 0 | col_add_fstr(pinfo->cinfo, COL_INFO, "[%s]", |
2508 | 0 | val_to_str(pinfo->pool, msg_type, icmp_packettypenames, |
2509 | 0 | "Unknown (0x%02x)")); |
2510 | 0 | offset += 1; |
2511 | |
|
2512 | 0 | set_address_tvb(&icmp_packeth->dst, AT_ETHER, 6, tvb, offset); |
2513 | 0 | copy_address_shallow(&pinfo->dl_dst, &icmp_packeth->dst); |
2514 | 0 | copy_address_shallow(&pinfo->dst, &icmp_packeth->dst); |
2515 | |
|
2516 | 0 | proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_dst, tvb, offset, |
2517 | 0 | 6, ENC_NA); |
2518 | 0 | offset += 6; |
2519 | |
|
2520 | 0 | set_address_tvb(&icmp_packeth->orig, AT_ETHER, 6, tvb, offset); |
2521 | 0 | copy_address_shallow(&pinfo->dl_src, &icmp_packeth->orig); |
2522 | 0 | copy_address_shallow(&pinfo->src, &icmp_packeth->orig); |
2523 | 0 | proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_orig, tvb, offset, |
2524 | 0 | 6, ENC_NA); |
2525 | 0 | offset += 6; |
2526 | |
|
2527 | 0 | icmp_packeth->uid = tvb_get_uint8(tvb, offset); |
2528 | 0 | proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_uid, tvb, offset, |
2529 | 0 | 1, ENC_BIG_ENDIAN); |
2530 | 0 | offset += 1; |
2531 | |
|
2532 | 0 | icmp_packeth->rr_ptr = tvb_get_uint8(tvb, offset); |
2533 | 0 | proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_rr_pointer, tvb, |
2534 | 0 | offset, 1, ENC_BIG_ENDIAN); |
2535 | 0 | offset += 1; |
2536 | |
|
2537 | 0 | icmp_packeth->seqno = tvb_get_ntohs(tvb, offset); |
2538 | 0 | proto_tree_add_item_ret_uint(batadv_icmp_tree, hf_batadv_icmp_seqno, |
2539 | 0 | tvb, offset, 2, ENC_BIG_ENDIAN, &seqno); |
2540 | 0 | col_append_fstr(pinfo->cinfo, COL_INFO, " Seq=%u", seqno); |
2541 | 0 | offset += 2; |
2542 | | |
2543 | | /* rr data available? */ |
2544 | 0 | length_remaining = tvb_reported_length_remaining(tvb, offset); |
2545 | 0 | if (length_remaining >= BAT_RR_LEN * 6) { |
2546 | 0 | dissect_batadv_icmp_rr_v15(pinfo, batadv_icmp_tree, tvb, offset, |
2547 | 0 | icmp_packeth->rr_ptr); |
2548 | 0 | offset += BAT_RR_LEN * 6; |
2549 | 0 | } |
2550 | |
|
2551 | 0 | tap_queue_packet(batadv_tap, pinfo, icmp_packeth); |
2552 | |
|
2553 | 0 | length_remaining = tvb_reported_length_remaining(tvb, offset); |
2554 | 0 | if (length_remaining > 0) { |
2555 | 0 | next_tvb = tvb_new_subset_remaining(tvb, offset); |
2556 | 0 | call_data_dissector(next_tvb, pinfo, tree); |
2557 | 0 | } |
2558 | 0 | } |
2559 | | |
2560 | | static void dissect_batadv_icmp_v15(tvbuff_t *tvb, packet_info *pinfo, |
2561 | | proto_tree *tree) |
2562 | 0 | { |
2563 | 0 | uint8_t msg_type; |
2564 | |
|
2565 | 0 | msg_type = tvb_get_uint8(tvb, 3); |
2566 | 0 | switch (msg_type) { |
2567 | 0 | case BATADV_TP: |
2568 | 0 | dissect_batadv_icmp_tp_v15(tvb, pinfo, tree); |
2569 | 0 | break; |
2570 | 0 | default: |
2571 | 0 | dissect_batadv_icmp_simple_v15(tvb, pinfo, tree); |
2572 | 0 | break; |
2573 | 0 | } |
2574 | 0 | } |
2575 | | |
2576 | | static void dissect_batadv_unicast(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) |
2577 | 0 | { |
2578 | 0 | uint8_t version; |
2579 | | |
2580 | | /* set protocol name */ |
2581 | 0 | col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_UNICAST"); |
2582 | |
|
2583 | 0 | version = tvb_get_uint8(tvb, 1); |
2584 | 0 | switch (version) { |
2585 | 0 | case 6: |
2586 | 0 | case 7: |
2587 | 0 | case 8: |
2588 | 0 | case 9: |
2589 | 0 | case 10: |
2590 | 0 | case 11: |
2591 | 0 | case 12: |
2592 | 0 | case 13: |
2593 | 0 | dissect_batadv_unicast_v6(tvb, pinfo, tree); |
2594 | 0 | break; |
2595 | 0 | case 14: |
2596 | 0 | case 15: |
2597 | 0 | dissect_batadv_unicast_v14(tvb, pinfo, tree); |
2598 | 0 | break; |
2599 | 0 | default: |
2600 | 0 | col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Version %d", version); |
2601 | 0 | call_data_dissector(tvb, pinfo, tree); |
2602 | 0 | break; |
2603 | 0 | } |
2604 | 0 | } |
2605 | | |
2606 | | static void dissect_batadv_unicast_v6(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) |
2607 | 0 | { |
2608 | 0 | struct unicast_packet_v6 *unicast_packeth; |
2609 | |
|
2610 | 0 | tvbuff_t *next_tvb; |
2611 | 0 | int length_remaining; |
2612 | 0 | unsigned offset = 0; |
2613 | 0 | proto_tree *batadv_unicast_tree; |
2614 | 0 | proto_item *ti; |
2615 | |
|
2616 | 0 | unicast_packeth = wmem_new(pinfo->pool, struct unicast_packet_v6); |
2617 | |
|
2618 | 0 | unicast_packeth->version = tvb_get_uint8(tvb, 1); |
2619 | 0 | set_address_tvb(&unicast_packeth->dest, AT_ETHER, 6, tvb, 2); |
2620 | 0 | copy_address_shallow(&pinfo->dl_dst, &unicast_packeth->dest); |
2621 | 0 | copy_address_shallow(&pinfo->dst, &unicast_packeth->dest); |
2622 | |
|
2623 | 0 | unicast_packeth->ttl = tvb_get_uint8(tvb, 8); |
2624 | | |
2625 | | /* Set info column */ |
2626 | 0 | col_clear(pinfo->cinfo, COL_INFO); |
2627 | | |
2628 | | /* Set tree info */ |
2629 | 0 | ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, UNICAST_PACKET_V6_SIZE, |
2630 | 0 | "B.A.T.M.A.N. Unicast, Dst: %s", |
2631 | 0 | address_with_resolution_to_str(pinfo->pool, &unicast_packeth->dest)); |
2632 | 0 | batadv_unicast_tree = proto_item_add_subtree(ti, ett_batadv_unicast); |
2633 | | |
2634 | | /* items */ |
2635 | 0 | proto_tree_add_uint_format(batadv_unicast_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_UNICAST_V5, |
2636 | 0 | "Packet Type: %s (%u)", "BATADV_UNICAST", BATADV_UNICAST_V5); |
2637 | 0 | offset += 1; |
2638 | |
|
2639 | 0 | proto_tree_add_item(batadv_unicast_tree, hf_batadv_unicast_version, tvb, offset, 1, ENC_BIG_ENDIAN); |
2640 | 0 | offset += 1; |
2641 | |
|
2642 | 0 | proto_tree_add_item(batadv_unicast_tree, hf_batadv_unicast_dst, tvb, offset, 6, ENC_NA); |
2643 | 0 | offset += 6; |
2644 | |
|
2645 | 0 | proto_tree_add_item(batadv_unicast_tree, hf_batadv_unicast_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); |
2646 | 0 | offset += 1; |
2647 | |
|
2648 | 0 | tap_queue_packet(batadv_tap, pinfo, unicast_packeth); |
2649 | |
|
2650 | 0 | length_remaining = tvb_reported_length_remaining(tvb, offset); |
2651 | 0 | if (length_remaining > 0) { |
2652 | 0 | next_tvb = tvb_new_subset_remaining(tvb, offset); |
2653 | |
|
2654 | 0 | if (have_tap_listener(batadv_follow_tap)) { |
2655 | 0 | tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); |
2656 | 0 | } |
2657 | |
|
2658 | 0 | call_dissector(eth_handle, next_tvb, pinfo, tree); |
2659 | 0 | } |
2660 | 0 | } |
2661 | | |
2662 | | static void dissect_batadv_unicast_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) |
2663 | 0 | { |
2664 | 0 | struct unicast_packet_v14 *unicast_packeth; |
2665 | |
|
2666 | 0 | tvbuff_t *next_tvb; |
2667 | 0 | int length_remaining; |
2668 | 0 | unsigned offset = 0; |
2669 | 0 | proto_tree *batadv_unicast_tree; |
2670 | 0 | proto_item *ti; |
2671 | |
|
2672 | 0 | unicast_packeth = wmem_new(pinfo->pool, struct unicast_packet_v14); |
2673 | |
|
2674 | 0 | unicast_packeth->packet_type = tvb_get_uint8(tvb, 0); |
2675 | 0 | unicast_packeth->version = tvb_get_uint8(tvb, 1); |
2676 | 0 | unicast_packeth->ttl = tvb_get_uint8(tvb, 2); |
2677 | 0 | unicast_packeth->ttvn = tvb_get_uint8(tvb, 3); |
2678 | 0 | set_address_tvb(&unicast_packeth->dest, AT_ETHER, 6, tvb, 4); |
2679 | 0 | copy_address_shallow(&pinfo->dl_dst, &unicast_packeth->dest); |
2680 | 0 | copy_address_shallow(&pinfo->dst, &unicast_packeth->dest); |
2681 | | |
2682 | | /* Set info column */ |
2683 | 0 | col_clear(pinfo->cinfo, COL_INFO); |
2684 | | |
2685 | | /* Set tree info */ |
2686 | 0 | ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, UNICAST_PACKET_V14_SIZE, |
2687 | 0 | "B.A.T.M.A.N. Unicast, Dst: %s", |
2688 | 0 | address_with_resolution_to_str(pinfo->pool, &unicast_packeth->dest)); |
2689 | 0 | batadv_unicast_tree = proto_item_add_subtree(ti, ett_batadv_unicast); |
2690 | | |
2691 | | /* items */ |
2692 | 0 | proto_tree_add_uint_format_value(batadv_unicast_tree, |
2693 | 0 | hf_batadv_packet_type, tvb, offset, 1, |
2694 | 0 | unicast_packeth->packet_type, |
2695 | 0 | "%s (%u)", |
2696 | 0 | "BATADV_UNICAST", |
2697 | 0 | unicast_packeth->packet_type); |
2698 | 0 | offset += 1; |
2699 | |
|
2700 | 0 | proto_tree_add_item(batadv_unicast_tree, hf_batadv_unicast_version, tvb, offset, 1, ENC_BIG_ENDIAN); |
2701 | 0 | offset += 1; |
2702 | |
|
2703 | 0 | proto_tree_add_item(batadv_unicast_tree, hf_batadv_unicast_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); |
2704 | 0 | offset += 1; |
2705 | |
|
2706 | 0 | proto_tree_add_item(batadv_unicast_tree, hf_batadv_unicast_ttvn, tvb, offset, 1, ENC_BIG_ENDIAN); |
2707 | 0 | offset += 1; |
2708 | |
|
2709 | 0 | proto_tree_add_item(batadv_unicast_tree, hf_batadv_unicast_dst, tvb, offset, 6, ENC_NA); |
2710 | 0 | offset += 6; |
2711 | |
|
2712 | 0 | tap_queue_packet(batadv_tap, pinfo, unicast_packeth); |
2713 | |
|
2714 | 0 | length_remaining = tvb_reported_length_remaining(tvb, offset); |
2715 | 0 | if (length_remaining > 0) { |
2716 | 0 | next_tvb = tvb_new_subset_remaining(tvb, offset); |
2717 | |
|
2718 | 0 | if (have_tap_listener(batadv_follow_tap)) { |
2719 | 0 | tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); |
2720 | 0 | } |
2721 | |
|
2722 | 0 | call_dissector(eth_handle, next_tvb, pinfo, tree); |
2723 | 0 | } |
2724 | 0 | } |
2725 | | |
2726 | | static void dissect_batadv_unicast_4addr(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) |
2727 | 0 | { |
2728 | 0 | uint8_t version; |
2729 | | |
2730 | | /* set protocol name */ |
2731 | 0 | col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_UNICAST_4ADDR"); |
2732 | |
|
2733 | 0 | version = tvb_get_uint8(tvb, 1); |
2734 | 0 | switch (version) { |
2735 | 0 | case 14: |
2736 | 0 | case 15: |
2737 | 0 | dissect_batadv_unicast_4addr_v14(tvb, pinfo, tree); |
2738 | 0 | break; |
2739 | 0 | default: |
2740 | 0 | col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Version %d", version); |
2741 | 0 | call_data_dissector(tvb, pinfo, tree); |
2742 | 0 | break; |
2743 | 0 | } |
2744 | 0 | } |
2745 | | |
2746 | | static void dissect_batadv_unicast_4addr_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) |
2747 | 0 | { |
2748 | 0 | struct unicast_4addr_packet_v14 *unicast_4addr_packeth; |
2749 | |
|
2750 | 0 | tvbuff_t *next_tvb; |
2751 | 0 | int length_remaining; |
2752 | 0 | unsigned offset = 0; |
2753 | 0 | proto_tree *batadv_unicast_4addr_tree; |
2754 | 0 | proto_item *ti; |
2755 | |
|
2756 | 0 | unicast_4addr_packeth = wmem_new(pinfo->pool, struct unicast_4addr_packet_v14); |
2757 | |
|
2758 | 0 | unicast_4addr_packeth->packet_type = tvb_get_uint8(tvb, 0); |
2759 | 0 | unicast_4addr_packeth->version = tvb_get_uint8(tvb, 1); |
2760 | 0 | unicast_4addr_packeth->ttl = tvb_get_uint8(tvb, 2); |
2761 | 0 | unicast_4addr_packeth->ttvn = tvb_get_uint8(tvb, 3); |
2762 | 0 | set_address_tvb(&unicast_4addr_packeth->dest, AT_ETHER, 6, tvb, 4); |
2763 | 0 | copy_address_shallow(&pinfo->dl_dst, &unicast_4addr_packeth->dest); |
2764 | 0 | copy_address_shallow(&pinfo->dst, &unicast_4addr_packeth->dest); |
2765 | |
|
2766 | 0 | set_address_tvb(&unicast_4addr_packeth->src, AT_ETHER, 6, tvb, 10); |
2767 | 0 | copy_address_shallow(&pinfo->dl_src, &unicast_4addr_packeth->src); |
2768 | 0 | copy_address_shallow(&pinfo->src, &unicast_4addr_packeth->src); |
2769 | 0 | unicast_4addr_packeth->subtype = tvb_get_uint8(tvb, 16); |
2770 | 0 | unicast_4addr_packeth->reserved = tvb_get_uint8(tvb, 17); |
2771 | | |
2772 | | /* Set info column */ |
2773 | 0 | col_add_str(pinfo->cinfo, COL_INFO, |
2774 | 0 | val_to_str(pinfo->pool, unicast_4addr_packeth->subtype, unicast_4addr_typenames, "Unknown (0x%02x)")); |
2775 | | |
2776 | | /* Set tree info */ |
2777 | 0 | ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, UNICAST_4ADDR_PACKET_V14_SIZE, |
2778 | 0 | "B.A.T.M.A.N. Unicast 4Addr, Dst: %s", |
2779 | 0 | address_with_resolution_to_str(pinfo->pool, &unicast_4addr_packeth->dest)); |
2780 | 0 | batadv_unicast_4addr_tree = proto_item_add_subtree(ti, ett_batadv_unicast_4addr); |
2781 | | |
2782 | | /* items */ |
2783 | 0 | proto_tree_add_uint_format_value(batadv_unicast_4addr_tree, |
2784 | 0 | hf_batadv_packet_type, tvb, offset, 1, |
2785 | 0 | unicast_4addr_packeth->packet_type, |
2786 | 0 | "%s (%u)", "BATADV_UNICAST_4ADDR", |
2787 | 0 | unicast_4addr_packeth->packet_type); |
2788 | 0 | offset += 1; |
2789 | |
|
2790 | 0 | proto_tree_add_item(batadv_unicast_4addr_tree, hf_batadv_unicast_4addr_version, tvb, offset, 1, ENC_BIG_ENDIAN); |
2791 | 0 | offset += 1; |
2792 | |
|
2793 | 0 | proto_tree_add_item(batadv_unicast_4addr_tree, hf_batadv_unicast_4addr_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); |
2794 | 0 | offset += 1; |
2795 | |
|
2796 | 0 | proto_tree_add_item(batadv_unicast_4addr_tree, hf_batadv_unicast_4addr_ttvn, tvb, offset, 1, ENC_BIG_ENDIAN); |
2797 | 0 | offset += 1; |
2798 | |
|
2799 | 0 | proto_tree_add_item(batadv_unicast_4addr_tree, hf_batadv_unicast_4addr_dst, tvb, offset, 6, ENC_NA); |
2800 | 0 | offset += 6; |
2801 | |
|
2802 | 0 | proto_tree_add_item(batadv_unicast_4addr_tree, hf_batadv_unicast_4addr_src, tvb, offset, 6, ENC_NA); |
2803 | 0 | offset += 6; |
2804 | |
|
2805 | 0 | proto_tree_add_item(batadv_unicast_4addr_tree, hf_batadv_unicast_4addr_subtype, tvb, offset, 1, ENC_BIG_ENDIAN); |
2806 | 0 | offset += 1; |
2807 | | |
2808 | | /* Skip 1 byte of padding. */ |
2809 | 0 | offset += 1; |
2810 | |
|
2811 | 0 | tap_queue_packet(batadv_tap, pinfo, unicast_4addr_packeth); |
2812 | |
|
2813 | 0 | length_remaining = tvb_reported_length_remaining(tvb, offset); |
2814 | 0 | if (length_remaining > 0) { |
2815 | 0 | next_tvb = tvb_new_subset_remaining(tvb, offset); |
2816 | |
|
2817 | 0 | if (have_tap_listener(batadv_follow_tap)) { |
2818 | 0 | tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); |
2819 | 0 | } |
2820 | |
|
2821 | 0 | call_dissector(eth_handle, next_tvb, pinfo, tree); |
2822 | 0 | } |
2823 | 0 | } |
2824 | | |
2825 | | static void dissect_batadv_unicast_frag(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) |
2826 | 1 | { |
2827 | 1 | uint8_t version; |
2828 | | |
2829 | | /* set protocol name */ |
2830 | 1 | col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_UNICAST_FRAG"); |
2831 | | |
2832 | 1 | version = tvb_get_uint8(tvb, 1); |
2833 | 1 | switch (version) { |
2834 | 0 | case 12: |
2835 | 0 | case 13: |
2836 | 0 | dissect_batadv_unicast_frag_v12(tvb, pinfo, tree); |
2837 | 0 | break; |
2838 | 0 | case 14: |
2839 | 0 | dissect_batadv_unicast_frag_v14(tvb, pinfo, tree); |
2840 | 0 | break; |
2841 | 0 | case 15: |
2842 | 0 | dissect_batadv_unicast_frag_v15(tvb, pinfo, tree); |
2843 | 0 | break; |
2844 | 1 | default: |
2845 | 1 | col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Version %d", version); |
2846 | 1 | call_data_dissector(tvb, pinfo, tree); |
2847 | 1 | break; |
2848 | 1 | } |
2849 | 1 | } |
2850 | | |
2851 | | static void dissect_batadv_unicast_frag_v12(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) |
2852 | 0 | { |
2853 | 0 | struct unicast_frag_packet_v12 *unicast_frag_packeth; |
2854 | 0 | bool save_fragmented; |
2855 | 0 | fragment_head *frag_msg = NULL; |
2856 | 0 | proto_tree *batadv_unicast_frag_tree; |
2857 | 0 | proto_item *ti; |
2858 | |
|
2859 | 0 | tvbuff_t *new_tvb; |
2860 | 0 | unsigned offset = 0; |
2861 | 0 | int head = 0; |
2862 | 0 | int length_remaining; |
2863 | |
|
2864 | 0 | unicast_frag_packeth = wmem_new(pinfo->pool, struct unicast_frag_packet_v12); |
2865 | |
|
2866 | 0 | unicast_frag_packeth->version = tvb_get_uint8(tvb, 1); |
2867 | 0 | set_address_tvb(&unicast_frag_packeth->dest, AT_ETHER, 6, tvb, 2); |
2868 | 0 | copy_address_shallow(&pinfo->dl_dst, &unicast_frag_packeth->dest); |
2869 | 0 | copy_address_shallow(&pinfo->dst, &unicast_frag_packeth->dest); |
2870 | 0 | unicast_frag_packeth->ttl = tvb_get_uint8(tvb, 8); |
2871 | 0 | unicast_frag_packeth->flags = tvb_get_uint8(tvb, 9); |
2872 | 0 | set_address_tvb(&unicast_frag_packeth->orig, AT_ETHER, 6, tvb, 10); |
2873 | 0 | copy_address_shallow(&pinfo->dl_src, &unicast_frag_packeth->orig); |
2874 | 0 | copy_address_shallow(&pinfo->src, &unicast_frag_packeth->orig); |
2875 | 0 | unicast_frag_packeth->seqno = tvb_get_ntohs(tvb, 16); |
2876 | |
|
2877 | 0 | save_fragmented = pinfo->fragmented; |
2878 | 0 | pinfo->fragmented = true; |
2879 | | |
2880 | | /* Set info column */ |
2881 | 0 | col_clear(pinfo->cinfo, COL_INFO); |
2882 | | |
2883 | | /* Set tree info */ |
2884 | 0 | ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, UNICAST_FRAG_PACKET_V12_SIZE, |
2885 | 0 | "B.A.T.M.A.N. Unicast Fragment, Dst: %s", |
2886 | 0 | address_with_resolution_to_str(pinfo->pool, &unicast_frag_packeth->dest)); |
2887 | 0 | batadv_unicast_frag_tree = proto_item_add_subtree(ti, ett_batadv_unicast_frag); |
2888 | | |
2889 | | /* items */ |
2890 | 0 | proto_tree_add_uint_format(batadv_unicast_frag_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_UNICAST_FRAG_V12, |
2891 | 0 | "Packet Type: %s (%u)", "BATADV_UNICAST_FRAG", BATADV_UNICAST_FRAG_V12); |
2892 | 0 | offset += 1; |
2893 | |
|
2894 | 0 | proto_tree_add_item(batadv_unicast_frag_tree, hf_batadv_unicast_frag_version, tvb, offset, 1, ENC_BIG_ENDIAN); |
2895 | 0 | offset += 1; |
2896 | |
|
2897 | 0 | proto_tree_add_item(batadv_unicast_frag_tree, hf_batadv_unicast_frag_dst, tvb, offset, 6, ENC_NA); |
2898 | 0 | offset += 6; |
2899 | |
|
2900 | 0 | proto_tree_add_item(batadv_unicast_frag_tree, hf_batadv_unicast_frag_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); |
2901 | 0 | offset += 1; |
2902 | |
|
2903 | 0 | proto_tree_add_bitmask(batadv_unicast_frag_tree, tvb, offset, hf_batadv_unicast_frag_flags, |
2904 | 0 | ett_batadv_batman_flags, unicast_frag_flags, ENC_BIG_ENDIAN); |
2905 | 0 | offset += 1; |
2906 | |
|
2907 | 0 | proto_tree_add_item(batadv_unicast_frag_tree, hf_batadv_unicast_frag_orig, tvb, offset, 6, ENC_NA); |
2908 | 0 | offset += 6; |
2909 | |
|
2910 | 0 | proto_tree_add_item(batadv_unicast_frag_tree, hf_batadv_unicast_frag_seqno, tvb, offset, 2, ENC_BIG_ENDIAN); |
2911 | 0 | offset += 2; |
2912 | |
|
2913 | 0 | tap_queue_packet(batadv_tap, pinfo, unicast_frag_packeth); |
2914 | |
|
2915 | 0 | head = (unicast_frag_packeth->flags & 0x1); |
2916 | 0 | length_remaining = tvb_reported_length_remaining(tvb, offset); |
2917 | 0 | if (length_remaining < 0) |
2918 | 0 | length_remaining = 0; |
2919 | 0 | frag_msg = fragment_add_seq_check(&msg_reassembly_table, |
2920 | 0 | tvb, offset, |
2921 | 0 | pinfo, unicast_frag_packeth->seqno + head, NULL, |
2922 | 0 | 1 - head, |
2923 | 0 | length_remaining, |
2924 | 0 | head); |
2925 | |
|
2926 | 0 | new_tvb = process_reassembled_data(tvb, offset, pinfo, |
2927 | 0 | "Reassembled Message", frag_msg, &msg_frag_items, |
2928 | 0 | NULL, batadv_unicast_frag_tree); |
2929 | 0 | if (new_tvb) { |
2930 | 0 | if (have_tap_listener(batadv_follow_tap)) { |
2931 | 0 | tap_queue_packet(batadv_follow_tap, pinfo, new_tvb); |
2932 | 0 | } |
2933 | |
|
2934 | 0 | call_dissector(eth_handle, new_tvb, pinfo, tree); |
2935 | 0 | } |
2936 | |
|
2937 | 0 | pinfo->fragmented = save_fragmented; |
2938 | 0 | } |
2939 | | |
2940 | | static void dissect_batadv_unicast_frag_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) |
2941 | 0 | { |
2942 | 0 | struct unicast_frag_packet_v14 *unicast_frag_packeth; |
2943 | 0 | bool save_fragmented; |
2944 | 0 | fragment_head *frag_msg = NULL; |
2945 | 0 | proto_tree *batadv_unicast_frag_tree; |
2946 | 0 | proto_item *ti; |
2947 | |
|
2948 | 0 | tvbuff_t *new_tvb; |
2949 | 0 | unsigned offset = 0; |
2950 | 0 | int head = 0; |
2951 | 0 | int length_remaining; |
2952 | |
|
2953 | 0 | unicast_frag_packeth = wmem_new(pinfo->pool, struct unicast_frag_packet_v14); |
2954 | |
|
2955 | 0 | unicast_frag_packeth->version = tvb_get_uint8(tvb, 1); |
2956 | 0 | unicast_frag_packeth->ttl = tvb_get_uint8(tvb, 2); |
2957 | 0 | unicast_frag_packeth->ttvn = tvb_get_uint8(tvb, 3); |
2958 | 0 | set_address_tvb(&unicast_frag_packeth->dest, AT_ETHER, 6, tvb, 4); |
2959 | 0 | copy_address_shallow(&pinfo->dl_dst, &unicast_frag_packeth->dest); |
2960 | 0 | copy_address_shallow(&pinfo->dst, &unicast_frag_packeth->dest); |
2961 | 0 | unicast_frag_packeth->flags = tvb_get_uint8(tvb, 10); |
2962 | 0 | unicast_frag_packeth->align = tvb_get_uint8(tvb, 11); |
2963 | 0 | set_address_tvb(&unicast_frag_packeth->orig, AT_ETHER, 6, tvb, 12); |
2964 | 0 | copy_address_shallow(&pinfo->dl_src, &unicast_frag_packeth->orig); |
2965 | 0 | copy_address_shallow(&pinfo->src, &unicast_frag_packeth->orig); |
2966 | 0 | unicast_frag_packeth->seqno = tvb_get_ntohs(tvb, 18); |
2967 | |
|
2968 | 0 | save_fragmented = pinfo->fragmented; |
2969 | 0 | pinfo->fragmented = true; |
2970 | | |
2971 | | /* Set info column */ |
2972 | 0 | col_clear(pinfo->cinfo, COL_INFO); |
2973 | | |
2974 | | /* Set tree info */ |
2975 | 0 | ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, UNICAST_FRAG_PACKET_V14_SIZE, |
2976 | 0 | "B.A.T.M.A.N. Unicast Fragment, Dst: %s", |
2977 | 0 | address_with_resolution_to_str(pinfo->pool, &unicast_frag_packeth->dest)); |
2978 | 0 | batadv_unicast_frag_tree = proto_item_add_subtree(ti, ett_batadv_unicast_frag); |
2979 | | |
2980 | | /* items */ |
2981 | 0 | proto_tree_add_uint_format(batadv_unicast_frag_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_UNICAST_FRAG_V12, |
2982 | 0 | "Packet Type: %s (%u)", "BATADV_UNICAST", BATADV_UNICAST_FRAG_V12); |
2983 | 0 | offset += 1; |
2984 | |
|
2985 | 0 | proto_tree_add_item(batadv_unicast_frag_tree, hf_batadv_unicast_frag_version, tvb, offset, 1, ENC_BIG_ENDIAN); |
2986 | 0 | offset += 1; |
2987 | |
|
2988 | 0 | proto_tree_add_item(batadv_unicast_frag_tree, hf_batadv_unicast_frag_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); |
2989 | 0 | offset += 1; |
2990 | |
|
2991 | 0 | proto_tree_add_item(batadv_unicast_frag_tree, hf_batadv_unicast_frag_ttvn, tvb, offset, 1, ENC_BIG_ENDIAN); |
2992 | 0 | offset += 1; |
2993 | |
|
2994 | 0 | proto_tree_add_item(batadv_unicast_frag_tree, hf_batadv_unicast_frag_dst, tvb, offset, 6, ENC_NA); |
2995 | 0 | offset += 6; |
2996 | |
|
2997 | 0 | proto_tree_add_bitmask(batadv_unicast_frag_tree, tvb, offset, hf_batadv_unicast_frag_flags, |
2998 | 0 | ett_batadv_batman_flags, unicast_frag_flags, ENC_BIG_ENDIAN); |
2999 | 0 | offset += 1; |
3000 | | |
3001 | | /* Skip 1 byte of padding. */ |
3002 | 0 | offset += 1; |
3003 | |
|
3004 | 0 | proto_tree_add_item(batadv_unicast_frag_tree, hf_batadv_unicast_frag_orig, tvb, offset, 6, ENC_NA); |
3005 | 0 | offset += 6; |
3006 | |
|
3007 | 0 | proto_tree_add_item(batadv_unicast_frag_tree, hf_batadv_unicast_frag_seqno, tvb, offset, 2, ENC_BIG_ENDIAN); |
3008 | 0 | offset += 2; |
3009 | |
|
3010 | 0 | tap_queue_packet(batadv_tap, pinfo, unicast_frag_packeth); |
3011 | |
|
3012 | 0 | head = (unicast_frag_packeth->flags & 0x1); |
3013 | 0 | length_remaining = tvb_reported_length_remaining(tvb, offset); |
3014 | 0 | if (length_remaining < 0) |
3015 | 0 | length_remaining = 0; |
3016 | 0 | frag_msg = fragment_add_seq_check(&msg_reassembly_table, |
3017 | 0 | tvb, offset, |
3018 | 0 | pinfo, unicast_frag_packeth->seqno + head, NULL, |
3019 | 0 | 1 - head, |
3020 | 0 | length_remaining, |
3021 | 0 | head); |
3022 | |
|
3023 | 0 | new_tvb = process_reassembled_data(tvb, offset, pinfo, |
3024 | 0 | "Reassembled Message", frag_msg, &msg_frag_items, |
3025 | 0 | NULL, batadv_unicast_frag_tree); |
3026 | 0 | if (new_tvb) { |
3027 | 0 | if (have_tap_listener(batadv_follow_tap)) { |
3028 | 0 | tap_queue_packet(batadv_follow_tap, pinfo, new_tvb); |
3029 | 0 | } |
3030 | |
|
3031 | 0 | call_dissector(eth_handle, new_tvb, pinfo, tree); |
3032 | 0 | } |
3033 | |
|
3034 | 0 | pinfo->fragmented = save_fragmented; |
3035 | 0 | } |
3036 | | |
3037 | | static void dissect_batadv_unicast_frag_v15(tvbuff_t *tvb, packet_info *pinfo, |
3038 | | proto_tree *tree) |
3039 | 0 | { |
3040 | 0 | struct unicast_frag_packet_v15 *unicast_frag_packeth; |
3041 | 0 | bool save_fragmented; |
3042 | 0 | fragment_head *frag_msg = NULL; |
3043 | 0 | proto_tree *batadv_unicast_frag_tree; |
3044 | 0 | proto_item *ti; |
3045 | |
|
3046 | 0 | tvbuff_t *new_tvb; |
3047 | 0 | unsigned offset = 0; |
3048 | 0 | int frag_no = 0; |
3049 | 0 | int length_remaining; |
3050 | |
|
3051 | 0 | unicast_frag_packeth = wmem_new(pinfo->pool, struct unicast_frag_packet_v15); |
3052 | |
|
3053 | 0 | save_fragmented = pinfo->fragmented; |
3054 | 0 | pinfo->fragmented = true; |
3055 | | |
3056 | | /* Set info column */ |
3057 | 0 | col_clear(pinfo->cinfo, COL_INFO); |
3058 | | |
3059 | | /* Set tree info */ |
3060 | 0 | ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, |
3061 | 0 | tvb, 0, |
3062 | 0 | UNICAST_FRAG_PACKET_V15_SIZE, |
3063 | 0 | "B.A.T.M.A.N. Unicast Fragment, Dst: %s", |
3064 | 0 | tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, 4)); |
3065 | 0 | batadv_unicast_frag_tree = proto_item_add_subtree(ti, |
3066 | 0 | ett_batadv_unicast_frag); |
3067 | | |
3068 | | /* items */ |
3069 | 0 | unicast_frag_packeth->packet_type = tvb_get_uint8(tvb, offset); |
3070 | 0 | proto_tree_add_uint_format_value(batadv_unicast_frag_tree, |
3071 | 0 | hf_batadv_packet_type, tvb, offset, 1, |
3072 | 0 | unicast_frag_packeth->packet_type, |
3073 | 0 | "%s (%u)", "BATADV_UNICAST", |
3074 | 0 | unicast_frag_packeth->packet_type); |
3075 | 0 | offset += 1; |
3076 | |
|
3077 | 0 | unicast_frag_packeth->version = tvb_get_uint8(tvb, offset); |
3078 | 0 | proto_tree_add_item(batadv_unicast_frag_tree, |
3079 | 0 | hf_batadv_unicast_frag_version, tvb, offset, 1, |
3080 | 0 | ENC_BIG_ENDIAN); |
3081 | 0 | offset += 1; |
3082 | |
|
3083 | 0 | unicast_frag_packeth->ttl = tvb_get_uint8(tvb, offset); |
3084 | 0 | proto_tree_add_item(batadv_unicast_frag_tree, |
3085 | 0 | hf_batadv_unicast_frag_ttl, tvb, offset, 1, |
3086 | 0 | ENC_BIG_ENDIAN); |
3087 | 0 | offset += 1; |
3088 | |
|
3089 | 0 | unicast_frag_packeth->no = tvb_get_uint8(tvb, offset); |
3090 | 0 | proto_tree_add_item(batadv_unicast_frag_tree, hf_batadv_unicast_frag_no, |
3091 | 0 | tvb, offset, 1, ENC_BIG_ENDIAN); |
3092 | |
|
3093 | 0 | proto_tree_add_item(batadv_unicast_frag_tree, |
3094 | 0 | hf_batadv_unicast_frag_priority, |
3095 | 0 | tvb, offset, 1, ENC_BIG_ENDIAN); |
3096 | 0 | offset += 1; |
3097 | |
|
3098 | 0 | set_address_tvb(&unicast_frag_packeth->dest, AT_ETHER, 6, tvb, offset); |
3099 | 0 | copy_address_shallow(&pinfo->dl_dst, &unicast_frag_packeth->dest); |
3100 | 0 | copy_address_shallow(&pinfo->dst, &unicast_frag_packeth->dest); |
3101 | 0 | proto_tree_add_item(batadv_unicast_frag_tree, hf_batadv_unicast_frag_dst, |
3102 | 0 | tvb, offset, 6, ENC_NA); |
3103 | 0 | offset += 6; |
3104 | |
|
3105 | 0 | set_address_tvb(&unicast_frag_packeth->orig, AT_ETHER, 6, tvb, offset); |
3106 | 0 | copy_address_shallow(&pinfo->dl_src, &unicast_frag_packeth->orig); |
3107 | 0 | copy_address_shallow(&pinfo->src, &unicast_frag_packeth->orig); |
3108 | 0 | proto_tree_add_item(batadv_unicast_frag_tree, hf_batadv_unicast_frag_orig, |
3109 | 0 | tvb, offset, 6, ENC_NA); |
3110 | 0 | offset += 6; |
3111 | |
|
3112 | 0 | unicast_frag_packeth->seqno = tvb_get_ntohs(tvb, offset); |
3113 | 0 | proto_tree_add_item(batadv_unicast_frag_tree, |
3114 | 0 | hf_batadv_unicast_frag_seqno, tvb, offset, 2, |
3115 | 0 | ENC_BIG_ENDIAN); |
3116 | 0 | offset += 2; |
3117 | |
|
3118 | 0 | unicast_frag_packeth->total_size = tvb_get_ntohs(tvb, offset); |
3119 | 0 | proto_tree_add_item(batadv_unicast_frag_tree, |
3120 | 0 | hf_batadv_unicast_frag_total_size, tvb, offset, 2, |
3121 | 0 | ENC_BIG_ENDIAN); |
3122 | 0 | offset += 2; |
3123 | |
|
3124 | 0 | tap_queue_packet(batadv_tap, pinfo, unicast_frag_packeth); |
3125 | |
|
3126 | 0 | frag_no = unicast_frag_packeth->no >> 4; |
3127 | | /* only support 2 fragments */ |
3128 | 0 | if (frag_no > 1) { |
3129 | 0 | pinfo->fragmented = save_fragmented; |
3130 | 0 | return; |
3131 | 0 | } |
3132 | | |
3133 | 0 | length_remaining = tvb_captured_length_remaining(tvb, offset); |
3134 | 0 | if (length_remaining < 0) |
3135 | 0 | length_remaining = 0; |
3136 | 0 | frag_msg = fragment_add_seq_check(&msg_reassembly_table, |
3137 | 0 | tvb, offset, pinfo, |
3138 | 0 | unicast_frag_packeth->seqno, NULL, |
3139 | 0 | 1 - frag_no, length_remaining, true); |
3140 | | |
3141 | | /* Assemble 2 fragments */ |
3142 | 0 | fragment_set_tot_len(&msg_reassembly_table, pinfo, |
3143 | 0 | unicast_frag_packeth->seqno, NULL, 1); |
3144 | |
|
3145 | 0 | new_tvb = process_reassembled_data(tvb, offset, pinfo, |
3146 | 0 | "Reassembled Message", frag_msg, &msg_frag_items, |
3147 | 0 | NULL, batadv_unicast_frag_tree); |
3148 | 0 | if (new_tvb) { |
3149 | 0 | if (have_tap_listener(batadv_follow_tap)) { |
3150 | 0 | tap_queue_packet(batadv_follow_tap, pinfo, new_tvb); |
3151 | 0 | } |
3152 | |
|
3153 | 0 | call_dissector(batman_handle, new_tvb, pinfo, tree); |
3154 | 0 | } |
3155 | |
|
3156 | 0 | pinfo->fragmented = save_fragmented; |
3157 | 0 | } |
3158 | | |
3159 | | static void dissect_batadv_vis(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) |
3160 | 6 | { |
3161 | 6 | uint8_t version; |
3162 | | |
3163 | | /* set protocol name */ |
3164 | 6 | col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_VIS"); |
3165 | | |
3166 | 6 | version = tvb_get_uint8(tvb, 1); |
3167 | 6 | switch (version) { |
3168 | 0 | case 6: |
3169 | 0 | case 7: |
3170 | 6 | case 8: |
3171 | 6 | case 9: |
3172 | 6 | dissect_batadv_vis_v6(tvb, pinfo, tree); |
3173 | 6 | break; |
3174 | 0 | case 10: |
3175 | 0 | case 11: |
3176 | 0 | case 12: |
3177 | 0 | case 13: |
3178 | 0 | dissect_batadv_vis_v10(tvb, pinfo, tree); |
3179 | 0 | break; |
3180 | 0 | case 14: |
3181 | 0 | dissect_batadv_vis_v14(tvb, pinfo, tree); |
3182 | 0 | break; |
3183 | 0 | default: |
3184 | 0 | col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Version %d", version); |
3185 | 0 | call_data_dissector(tvb, pinfo, tree); |
3186 | 0 | break; |
3187 | 6 | } |
3188 | 6 | } |
3189 | | |
3190 | | static void dissect_batadv_vis_v6(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) |
3191 | 6 | { |
3192 | 6 | struct vis_packet_v6 *vis_packeth; |
3193 | 6 | proto_tree *batadv_vis_tree; |
3194 | 6 | proto_item *ti; |
3195 | | |
3196 | 6 | tvbuff_t *next_tvb; |
3197 | 6 | unsigned entry_size; |
3198 | 6 | int length_remaining; |
3199 | 6 | unsigned offset = 0; |
3200 | 6 | int i; |
3201 | | |
3202 | 6 | vis_packeth = wmem_new(pinfo->pool, struct vis_packet_v6); |
3203 | | |
3204 | 6 | vis_packeth->version = tvb_get_uint8(tvb, 1); |
3205 | 6 | vis_packeth->vis_type = tvb_get_uint8(tvb, 2); |
3206 | 6 | vis_packeth->seqno = tvb_get_uint8(tvb, 3); |
3207 | 6 | vis_packeth->entries = tvb_get_uint8(tvb, 4); |
3208 | 6 | vis_packeth->ttl = tvb_get_uint8(tvb, 5); |
3209 | | |
3210 | 6 | set_address_tvb(&vis_packeth->vis_orig, AT_ETHER, 6, tvb, 6); |
3211 | 6 | copy_address_shallow(&pinfo->src, &vis_packeth->vis_orig); |
3212 | 6 | set_address_tvb(&vis_packeth->target_orig, AT_ETHER, 6, tvb, 12); |
3213 | 6 | copy_address_shallow(&pinfo->dl_dst, &vis_packeth->target_orig); |
3214 | 6 | copy_address_shallow(&pinfo->dst, &vis_packeth->target_orig); |
3215 | 6 | set_address_tvb(&vis_packeth->sender_orig, AT_ETHER, 6, tvb, 18); |
3216 | 6 | copy_address_shallow(&pinfo->dl_src, &vis_packeth->sender_orig); |
3217 | | |
3218 | | |
3219 | | /* Set info column */ |
3220 | 6 | col_add_fstr(pinfo->cinfo, COL_INFO, "[%s] Seq=%u", |
3221 | 6 | val_to_str(pinfo->pool, vis_packeth->vis_type, vis_packettypenames, "Unknown (0x%02x)"), |
3222 | 6 | vis_packeth->seqno); |
3223 | | /* Set tree info */ |
3224 | 6 | ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, VIS_PACKET_V6_SIZE, |
3225 | 6 | "B.A.T.M.A.N. Vis, Orig: %s", |
3226 | 6 | address_with_resolution_to_str(pinfo->pool, &vis_packeth->vis_orig)); |
3227 | 6 | batadv_vis_tree = proto_item_add_subtree(ti, ett_batadv_vis); |
3228 | | |
3229 | | /* items */ |
3230 | 6 | proto_tree_add_uint_format(batadv_vis_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_VIS_V5, |
3231 | 6 | "Packet Type: %s (%u)", "BATADV_VIS", BATADV_VIS_V5); |
3232 | 6 | offset += 1; |
3233 | | |
3234 | 6 | proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_version, tvb, offset, 1, ENC_BIG_ENDIAN); |
3235 | 6 | offset += 1; |
3236 | | |
3237 | 6 | proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_type, tvb, offset, 1, ENC_BIG_ENDIAN); |
3238 | 6 | offset += 1; |
3239 | | |
3240 | 6 | proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_seqno, tvb, offset, 1, ENC_BIG_ENDIAN); |
3241 | 6 | offset += 1; |
3242 | | |
3243 | 6 | proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_entries, tvb, offset, 1, ENC_BIG_ENDIAN); |
3244 | 6 | offset += 1; |
3245 | | |
3246 | 6 | proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); |
3247 | 6 | offset += 1; |
3248 | | |
3249 | 6 | proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_vis_orig, tvb, offset, 6, ENC_NA); |
3250 | 6 | offset += 6; |
3251 | | |
3252 | 6 | proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_target_orig, tvb, offset, 6, ENC_NA); |
3253 | 6 | offset += 6; |
3254 | | |
3255 | 6 | proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_sender_orig, tvb, offset, 6, ENC_NA); |
3256 | 6 | offset += 6; |
3257 | | |
3258 | 6 | tap_queue_packet(batadv_tap, pinfo, vis_packeth); |
3259 | | |
3260 | 6 | switch (vis_packeth->version) { |
3261 | 0 | case 6: |
3262 | 0 | case 7: |
3263 | 0 | entry_size = VIS_ENTRY_V6_SIZE; |
3264 | 0 | break; |
3265 | 0 | default: |
3266 | 6 | case 8: |
3267 | 6 | case 9: |
3268 | 6 | entry_size = VIS_ENTRY_V8_SIZE; |
3269 | 6 | break; |
3270 | 6 | } |
3271 | | |
3272 | 75 | for (i = 0; i < vis_packeth->entries; i++) { |
3273 | 75 | next_tvb = tvb_new_subset_length(tvb, offset, entry_size); |
3274 | | |
3275 | 75 | if (have_tap_listener(batadv_follow_tap)) { |
3276 | 0 | tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); |
3277 | 0 | } |
3278 | | |
3279 | 75 | if (batadv_vis_tree != NULL) { |
3280 | 75 | switch (vis_packeth->version) { |
3281 | 0 | case 6: |
3282 | 0 | case 7: |
3283 | 0 | dissect_vis_entry_v6(next_tvb, pinfo, batadv_vis_tree); |
3284 | 0 | break; |
3285 | 0 | default: |
3286 | 75 | case 8: |
3287 | 75 | case 9: |
3288 | 75 | dissect_vis_entry_v8(next_tvb, pinfo, batadv_vis_tree); |
3289 | 75 | break; |
3290 | 75 | } |
3291 | 75 | } |
3292 | | |
3293 | 69 | offset += entry_size; |
3294 | 69 | } |
3295 | | |
3296 | 0 | length_remaining = tvb_reported_length_remaining(tvb, offset); |
3297 | 0 | if (length_remaining > 0) { |
3298 | 0 | next_tvb = tvb_new_subset_remaining(tvb, offset); |
3299 | |
|
3300 | 0 | if (have_tap_listener(batadv_follow_tap)) { |
3301 | 0 | tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); |
3302 | 0 | } |
3303 | |
|
3304 | 0 | call_data_dissector(next_tvb, pinfo, tree); |
3305 | 0 | } |
3306 | 0 | } |
3307 | | |
3308 | | static void dissect_batadv_vis_v10(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) |
3309 | 0 | { |
3310 | 0 | struct vis_packet_v10 *vis_packeth; |
3311 | 0 | proto_tree *batadv_vis_tree; |
3312 | 0 | proto_item *ti; |
3313 | |
|
3314 | 0 | tvbuff_t *next_tvb; |
3315 | 0 | int length_remaining; |
3316 | 0 | unsigned offset = 0; |
3317 | 0 | int i; |
3318 | |
|
3319 | 0 | vis_packeth = wmem_new(pinfo->pool, struct vis_packet_v10); |
3320 | |
|
3321 | 0 | vis_packeth->version = tvb_get_uint8(tvb, 1); |
3322 | 0 | vis_packeth->vis_type = tvb_get_uint8(tvb, 2); |
3323 | 0 | vis_packeth->entries = tvb_get_uint8(tvb, 3); |
3324 | 0 | vis_packeth->seqno = tvb_get_ntohl(tvb, 4); |
3325 | 0 | vis_packeth->ttl = tvb_get_uint8(tvb, 8); |
3326 | |
|
3327 | 0 | set_address_tvb(&vis_packeth->vis_orig, AT_ETHER, 6, tvb, 9); |
3328 | 0 | copy_address_shallow(&pinfo->src, &vis_packeth->vis_orig); |
3329 | 0 | set_address_tvb(&vis_packeth->target_orig, AT_ETHER, 6, tvb, 15); |
3330 | 0 | copy_address_shallow(&pinfo->dl_dst, &vis_packeth->target_orig); |
3331 | 0 | copy_address_shallow(&pinfo->dst, &vis_packeth->target_orig); |
3332 | 0 | set_address_tvb(&vis_packeth->sender_orig, AT_ETHER, 6, tvb, 21); |
3333 | 0 | copy_address_shallow(&pinfo->dl_src, &vis_packeth->sender_orig); |
3334 | | |
3335 | | |
3336 | | /* Set info column */ |
3337 | 0 | col_add_fstr(pinfo->cinfo, COL_INFO, "[%s] Seq=%u", |
3338 | 0 | val_to_str(pinfo->pool, vis_packeth->vis_type, vis_packettypenames, "Unknown (0x%02x)"), |
3339 | 0 | vis_packeth->seqno); |
3340 | | |
3341 | | /* Set tree info */ |
3342 | 0 | ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, VIS_PACKET_V10_SIZE, |
3343 | 0 | "B.A.T.M.A.N. Vis, Orig: %s", |
3344 | 0 | address_with_resolution_to_str(pinfo->pool, &vis_packeth->vis_orig)); |
3345 | 0 | batadv_vis_tree = proto_item_add_subtree(ti, ett_batadv_vis); |
3346 | | |
3347 | | /* items */ |
3348 | 0 | proto_tree_add_uint_format(batadv_vis_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_VIS_V5, |
3349 | 0 | "Packet Type: %s (%u)", "BATADV_VIS", BATADV_VIS_V5); |
3350 | 0 | offset += 1; |
3351 | |
|
3352 | 0 | proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_version, tvb, offset, 1, ENC_BIG_ENDIAN); |
3353 | 0 | offset += 1; |
3354 | |
|
3355 | 0 | proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_type, tvb, offset, 1, ENC_BIG_ENDIAN); |
3356 | 0 | offset += 1; |
3357 | |
|
3358 | 0 | proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_entries, tvb, offset, 1, ENC_BIG_ENDIAN); |
3359 | 0 | offset += 1; |
3360 | |
|
3361 | 0 | proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_seqno32, tvb, offset, 4, ENC_BIG_ENDIAN); |
3362 | 0 | offset += 4; |
3363 | |
|
3364 | 0 | proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); |
3365 | 0 | offset += 1; |
3366 | |
|
3367 | 0 | proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_vis_orig, tvb, offset, 6, ENC_NA); |
3368 | 0 | offset += 6; |
3369 | |
|
3370 | 0 | proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_target_orig, tvb, offset, 6, ENC_NA); |
3371 | 0 | offset += 6; |
3372 | |
|
3373 | 0 | proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_sender_orig, tvb, offset, 6, ENC_NA); |
3374 | 0 | offset += 6; |
3375 | |
|
3376 | 0 | tap_queue_packet(batadv_tap, pinfo, vis_packeth); |
3377 | |
|
3378 | 0 | for (i = 0; i < vis_packeth->entries; i++) { |
3379 | 0 | next_tvb = tvb_new_subset_length(tvb, offset, VIS_ENTRY_V8_SIZE); |
3380 | |
|
3381 | 0 | if (have_tap_listener(batadv_follow_tap)) { |
3382 | 0 | tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); |
3383 | 0 | } |
3384 | |
|
3385 | 0 | dissect_vis_entry_v8(next_tvb, pinfo, batadv_vis_tree); |
3386 | 0 | offset += VIS_ENTRY_V8_SIZE; |
3387 | 0 | } |
3388 | |
|
3389 | 0 | length_remaining = tvb_reported_length_remaining(tvb, offset); |
3390 | 0 | if (length_remaining > 0) { |
3391 | 0 | next_tvb = tvb_new_subset_remaining(tvb, offset); |
3392 | |
|
3393 | 0 | if (have_tap_listener(batadv_follow_tap)) { |
3394 | 0 | tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); |
3395 | 0 | } |
3396 | |
|
3397 | 0 | call_data_dissector(next_tvb, pinfo, tree); |
3398 | 0 | } |
3399 | 0 | } |
3400 | | |
3401 | | static void dissect_batadv_vis_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) |
3402 | 0 | { |
3403 | 0 | struct vis_packet_v14 *vis_packeth; |
3404 | 0 | proto_tree *batadv_vis_tree; |
3405 | 0 | proto_item *ti; |
3406 | |
|
3407 | 0 | tvbuff_t *next_tvb; |
3408 | 0 | int length_remaining; |
3409 | 0 | unsigned offset = 0; |
3410 | 0 | int i; |
3411 | |
|
3412 | 0 | vis_packeth = wmem_new(pinfo->pool, struct vis_packet_v14); |
3413 | |
|
3414 | 0 | vis_packeth->version = tvb_get_uint8(tvb, 1); |
3415 | 0 | vis_packeth->ttl = tvb_get_uint8(tvb, 2); |
3416 | 0 | vis_packeth->vis_type = tvb_get_uint8(tvb, 3); |
3417 | 0 | vis_packeth->seqno = tvb_get_ntohl(tvb, 4); |
3418 | 0 | vis_packeth->entries = tvb_get_uint8(tvb, 8); |
3419 | 0 | vis_packeth->reserved = tvb_get_uint8(tvb, 9); |
3420 | |
|
3421 | 0 | set_address_tvb(&vis_packeth->vis_orig, AT_ETHER, 6, tvb, 10); |
3422 | 0 | copy_address_shallow(&pinfo->src, &vis_packeth->vis_orig); |
3423 | 0 | set_address_tvb(&vis_packeth->target_orig, AT_ETHER, 6, tvb, 16); |
3424 | 0 | copy_address_shallow(&pinfo->dl_dst, &vis_packeth->target_orig); |
3425 | 0 | copy_address_shallow(&pinfo->dst, &vis_packeth->target_orig); |
3426 | 0 | set_address_tvb(&vis_packeth->sender_orig, AT_ETHER, 6, tvb, 22); |
3427 | 0 | copy_address_shallow(&pinfo->dl_src, &vis_packeth->sender_orig); |
3428 | | |
3429 | | /* Set info column */ |
3430 | 0 | col_add_fstr(pinfo->cinfo, COL_INFO, "[%s] Seq=%u", |
3431 | 0 | val_to_str(pinfo->pool, vis_packeth->vis_type, vis_packettypenames, "Unknown (0x%02x)"), |
3432 | 0 | vis_packeth->seqno); |
3433 | | |
3434 | | /* Set tree info */ |
3435 | 0 | ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, VIS_PACKET_V14_SIZE, |
3436 | 0 | "B.A.T.M.A.N. Vis, Orig: %s", |
3437 | 0 | address_with_resolution_to_str(pinfo->pool, &vis_packeth->vis_orig)); |
3438 | 0 | batadv_vis_tree = proto_item_add_subtree(ti, ett_batadv_vis); |
3439 | | |
3440 | | /* items */ |
3441 | 0 | proto_tree_add_uint_format(batadv_vis_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_VIS_V5, |
3442 | 0 | "Packet Type: %s (%u)", "BATADV_VIS", BATADV_VIS_V5); |
3443 | 0 | offset += 1; |
3444 | |
|
3445 | 0 | proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_version, tvb, offset, 1, ENC_BIG_ENDIAN); |
3446 | 0 | offset += 1; |
3447 | |
|
3448 | 0 | proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); |
3449 | 0 | offset += 1; |
3450 | |
|
3451 | 0 | proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_type, tvb, offset, 1, ENC_BIG_ENDIAN); |
3452 | 0 | offset += 1; |
3453 | |
|
3454 | 0 | proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_seqno32, tvb, offset, 4, ENC_BIG_ENDIAN); |
3455 | 0 | offset += 4; |
3456 | |
|
3457 | 0 | proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_entries, tvb, offset, 1, ENC_BIG_ENDIAN); |
3458 | 0 | offset += 1; |
3459 | | |
3460 | | /* Skip 1 byte of padding. */ |
3461 | 0 | offset += 1; |
3462 | |
|
3463 | 0 | proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_vis_orig, tvb, offset, 6, ENC_NA); |
3464 | 0 | offset += 6; |
3465 | |
|
3466 | 0 | proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_target_orig, tvb, offset, 6, ENC_NA); |
3467 | 0 | offset += 6; |
3468 | |
|
3469 | 0 | proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_sender_orig, tvb, offset, 6, ENC_NA); |
3470 | 0 | offset += 6; |
3471 | |
|
3472 | 0 | tap_queue_packet(batadv_tap, pinfo, vis_packeth); |
3473 | |
|
3474 | 0 | for (i = 0; i < vis_packeth->entries; i++) { |
3475 | 0 | next_tvb = tvb_new_subset_length(tvb, offset, VIS_ENTRY_V8_SIZE); |
3476 | |
|
3477 | 0 | if (have_tap_listener(batadv_follow_tap)) { |
3478 | 0 | tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); |
3479 | 0 | } |
3480 | |
|
3481 | 0 | dissect_vis_entry_v8(next_tvb, pinfo, batadv_vis_tree); |
3482 | 0 | offset += VIS_ENTRY_V8_SIZE; |
3483 | 0 | } |
3484 | |
|
3485 | 0 | length_remaining = tvb_reported_length_remaining(tvb, offset); |
3486 | 0 | if (length_remaining > 0) { |
3487 | 0 | next_tvb = tvb_new_subset_remaining(tvb, offset); |
3488 | |
|
3489 | 0 | if (have_tap_listener(batadv_follow_tap)) { |
3490 | 0 | tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); |
3491 | 0 | } |
3492 | |
|
3493 | 0 | call_data_dissector(next_tvb, pinfo, tree); |
3494 | 0 | } |
3495 | 0 | } |
3496 | | |
3497 | | static void dissect_vis_entry_v6(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree) |
3498 | 0 | { |
3499 | 0 | proto_tree *batadv_vis_entry_tree; |
3500 | 0 | proto_item *ti; |
3501 | |
|
3502 | 0 | ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, VIS_ENTRY_V6_SIZE, |
3503 | 0 | "VIS Entry: %s", |
3504 | 0 | tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, 0)); |
3505 | 0 | batadv_vis_entry_tree = proto_item_add_subtree(ti, ett_batadv_vis_entry); |
3506 | |
|
3507 | 0 | proto_tree_add_item(batadv_vis_entry_tree, hf_batadv_vis_entry_dst, tvb, 0, 6, ENC_NA); |
3508 | 0 | proto_tree_add_item(batadv_vis_entry_tree, hf_batadv_vis_entry_quality, tvb, 6, 1, ENC_BIG_ENDIAN); |
3509 | 0 | } |
3510 | | |
3511 | | static void dissect_vis_entry_v8(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree) |
3512 | 75 | { |
3513 | 75 | proto_tree *batadv_vis_entry_tree; |
3514 | 75 | proto_item *ti; |
3515 | | |
3516 | 75 | ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, VIS_ENTRY_V8_SIZE, |
3517 | 75 | "VIS Entry: %s", |
3518 | 75 | tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, 6)); |
3519 | 75 | batadv_vis_entry_tree = proto_item_add_subtree(ti, ett_batadv_vis_entry); |
3520 | | |
3521 | 75 | proto_tree_add_item(batadv_vis_entry_tree, hf_batadv_vis_entry_src, tvb, 0, 6, ENC_NA); |
3522 | 75 | proto_tree_add_item(batadv_vis_entry_tree, hf_batadv_vis_entry_dst, tvb, 6, 6, ENC_NA); |
3523 | 75 | proto_tree_add_item(batadv_vis_entry_tree, hf_batadv_vis_entry_quality, tvb, 12, 1, ENC_BIG_ENDIAN); |
3524 | 75 | } |
3525 | | |
3526 | | static void dissect_batadv_tt_query(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) |
3527 | 7 | { |
3528 | 7 | uint8_t version; |
3529 | | |
3530 | | /* set protocol name */ |
3531 | 7 | col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_TT_QUERY"); |
3532 | | |
3533 | 7 | version = tvb_get_uint8(tvb, 1); |
3534 | 7 | switch (version) { |
3535 | 6 | case 14: |
3536 | 6 | dissect_batadv_tt_query_v14(tvb, pinfo, tree); |
3537 | 6 | break; |
3538 | 1 | default: |
3539 | 1 | col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Version %d", version); |
3540 | 1 | call_data_dissector(tvb, pinfo, tree); |
3541 | 1 | break; |
3542 | 7 | } |
3543 | 7 | } |
3544 | | |
3545 | | static void dissect_batadv_tt_query_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) |
3546 | 6 | { |
3547 | 6 | struct tt_query_packet_v14 *tt_query_packeth; |
3548 | 6 | proto_tree *batadv_tt_query_tree; |
3549 | 6 | proto_item *ti; |
3550 | | |
3551 | 6 | tvbuff_t *next_tvb; |
3552 | 6 | int length_remaining; |
3553 | 6 | unsigned offset = 0; |
3554 | 6 | int i; |
3555 | 6 | int tt_type; |
3556 | | |
3557 | 6 | tt_query_packeth = wmem_new(pinfo->pool, struct tt_query_packet_v14); |
3558 | | |
3559 | 6 | tt_query_packeth->version = tvb_get_uint8(tvb, 1); |
3560 | 6 | tt_query_packeth->ttl = tvb_get_uint8(tvb, 2); |
3561 | 6 | tt_query_packeth->flags = tvb_get_uint8(tvb, 3); |
3562 | | |
3563 | 6 | set_address_tvb(&tt_query_packeth->dst, AT_ETHER, 6, tvb, 4); |
3564 | 6 | copy_address_shallow(&pinfo->dl_dst, &tt_query_packeth->dst); |
3565 | 6 | copy_address_shallow(&pinfo->dst, &tt_query_packeth->dst); |
3566 | | |
3567 | 6 | set_address_tvb(&tt_query_packeth->src, AT_ETHER, 6, tvb, 10); |
3568 | 6 | copy_address_shallow(&pinfo->dl_src, &tt_query_packeth->src); |
3569 | 6 | copy_address_shallow(&pinfo->src, &tt_query_packeth->src); |
3570 | | |
3571 | 6 | tt_query_packeth->ttvn = tvb_get_uint8(tvb, 16); |
3572 | 6 | tt_query_packeth->tt_data = tvb_get_ntohs(tvb, 17); |
3573 | | |
3574 | 6 | tt_type = TT_TYPE_MASK & tt_query_packeth->flags; |
3575 | | |
3576 | | /* Set info column */ |
3577 | 6 | switch (tt_type) { |
3578 | 1 | case TT_REQUEST: |
3579 | 1 | col_add_fstr(pinfo->cinfo, COL_INFO, "Request=%u", tt_query_packeth->ttvn); |
3580 | 1 | break; |
3581 | 4 | case TT_RESPONSE: |
3582 | 4 | col_add_fstr(pinfo->cinfo, COL_INFO, "Response=%u", tt_query_packeth->ttvn); |
3583 | 4 | break; |
3584 | 1 | default: |
3585 | 1 | col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Type %u", tt_type); |
3586 | 1 | break; |
3587 | 6 | } |
3588 | | |
3589 | | /* Set tree info */ |
3590 | 6 | ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, TT_QUERY_PACKET_V14_SIZE, |
3591 | 6 | "B.A.T.M.A.N. TT Query, Dst: %s", |
3592 | 6 | address_with_resolution_to_str(pinfo->pool, &tt_query_packeth->dst)); |
3593 | 6 | batadv_tt_query_tree = proto_item_add_subtree(ti, ett_batadv_tt_query); |
3594 | | |
3595 | | /* items */ |
3596 | 6 | proto_tree_add_uint_format(batadv_tt_query_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_TT_QUERY_V14, |
3597 | 6 | "Packet Type: %s (%u)", "BATADV_TT_QUERY", BATADV_TT_QUERY_V14); |
3598 | 6 | offset += 1; |
3599 | | |
3600 | 6 | proto_tree_add_item(batadv_tt_query_tree, hf_batadv_tt_query_version, tvb, offset, 1, ENC_BIG_ENDIAN); |
3601 | 6 | offset += 1; |
3602 | | |
3603 | 6 | proto_tree_add_item(batadv_tt_query_tree, hf_batadv_tt_query_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); |
3604 | 6 | offset += 1; |
3605 | | |
3606 | 6 | proto_tree_add_bitmask(batadv_tt_query_tree, tvb, offset, hf_batadv_tt_query_flags, |
3607 | 6 | ett_batadv_tt_query_flags, tt_query_flags, ENC_BIG_ENDIAN); |
3608 | 6 | offset += 1; |
3609 | | |
3610 | 6 | proto_tree_add_item(batadv_tt_query_tree, hf_batadv_tt_query_dst, tvb, offset, 6, ENC_NA); |
3611 | 6 | offset += 6; |
3612 | | |
3613 | 6 | proto_tree_add_item(batadv_tt_query_tree, hf_batadv_tt_query_src, tvb, offset, 6, ENC_NA); |
3614 | 6 | offset += 6; |
3615 | | |
3616 | 6 | proto_tree_add_item(batadv_tt_query_tree, hf_batadv_tt_query_ttvn, tvb, offset, 1, ENC_BIG_ENDIAN); |
3617 | 6 | offset += 1; |
3618 | | |
3619 | 6 | switch (tt_type) { |
3620 | 1 | case TT_REQUEST: |
3621 | 1 | proto_tree_add_item(batadv_tt_query_tree, hf_batadv_tt_query_tt_crc, tvb, offset, 2, ENC_BIG_ENDIAN); |
3622 | 1 | break; |
3623 | 4 | case TT_RESPONSE: |
3624 | 4 | proto_tree_add_item(batadv_tt_query_tree, hf_batadv_tt_query_entries, tvb, offset, 2, ENC_BIG_ENDIAN); |
3625 | 4 | break; |
3626 | 1 | default: |
3627 | 1 | break; |
3628 | 6 | } |
3629 | 6 | offset += 2; |
3630 | | |
3631 | 6 | tap_queue_packet(batadv_tap, pinfo, tt_query_packeth); |
3632 | | |
3633 | 6 | if (tt_type == TT_RESPONSE) { |
3634 | 44 | for (i = 0; i < tt_query_packeth->tt_data; i++) { |
3635 | 40 | next_tvb = tvb_new_subset_length(tvb, offset, TT_ENTRY_V14_SIZE); |
3636 | | |
3637 | 40 | if (have_tap_listener(batadv_follow_tap)) { |
3638 | 0 | tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); |
3639 | 0 | } |
3640 | | |
3641 | 40 | dissect_tt_entry_v14(next_tvb, pinfo, batadv_tt_query_tree); |
3642 | 40 | offset += TT_ENTRY_V14_SIZE; |
3643 | 40 | } |
3644 | 4 | } |
3645 | | |
3646 | 6 | length_remaining = tvb_reported_length_remaining(tvb, offset); |
3647 | 6 | if (length_remaining > 0) { |
3648 | 3 | next_tvb = tvb_new_subset_remaining(tvb, offset); |
3649 | | |
3650 | 3 | if (have_tap_listener(batadv_follow_tap)) { |
3651 | 0 | tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); |
3652 | 0 | } |
3653 | | |
3654 | 3 | call_data_dissector(next_tvb, pinfo, tree); |
3655 | 3 | } |
3656 | 6 | } |
3657 | | |
3658 | | static void dissect_tt_entry_v14(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree) |
3659 | 105 | { |
3660 | 105 | proto_tree *batadv_tt_entry_tree; |
3661 | 105 | proto_item *ti; |
3662 | | |
3663 | 105 | ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, TT_ENTRY_V14_SIZE, |
3664 | 105 | "TT Entry: %s", |
3665 | 105 | tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, 1)); |
3666 | 105 | batadv_tt_entry_tree = proto_item_add_subtree(ti, ett_batadv_tt_entry); |
3667 | | |
3668 | 105 | proto_tree_add_bitmask(batadv_tt_entry_tree, tvb, 0, hf_batadv_tt_entry_flags, |
3669 | 105 | ett_batadv_tt_entry_flags, tt_entry_flags, ENC_BIG_ENDIAN); |
3670 | 105 | proto_tree_add_item(batadv_tt_entry_tree, hf_batadv_tt_entry, tvb, 1, 6, ENC_NA); |
3671 | 105 | } |
3672 | | |
3673 | | static void dissect_batadv_roam_adv(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) |
3674 | 1 | { |
3675 | 1 | uint8_t version; |
3676 | | |
3677 | | /* set protocol name */ |
3678 | 1 | col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_ROAM_ADV"); |
3679 | | |
3680 | 1 | version = tvb_get_uint8(tvb, 1); |
3681 | 1 | switch (version) { |
3682 | 0 | case 14: |
3683 | 0 | dissect_batadv_roam_adv_v14(tvb, pinfo, tree); |
3684 | 0 | break; |
3685 | 1 | default: |
3686 | 1 | col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Version %d", version); |
3687 | 1 | call_data_dissector(tvb, pinfo, tree); |
3688 | 1 | break; |
3689 | 1 | } |
3690 | 1 | } |
3691 | | |
3692 | | static void dissect_batadv_roam_adv_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) |
3693 | 0 | { |
3694 | 0 | struct roam_adv_packet_v14 *roam_adv_packeth; |
3695 | 0 | proto_tree *batadv_roam_adv_tree; |
3696 | 0 | proto_item *ti; |
3697 | |
|
3698 | 0 | tvbuff_t *next_tvb; |
3699 | 0 | int length_remaining; |
3700 | 0 | unsigned offset = 0; |
3701 | |
|
3702 | 0 | roam_adv_packeth = wmem_new(pinfo->pool, struct roam_adv_packet_v14); |
3703 | |
|
3704 | 0 | roam_adv_packeth->version = tvb_get_uint8(tvb, 1); |
3705 | 0 | roam_adv_packeth->ttl = tvb_get_uint8(tvb, 2); |
3706 | 0 | set_address_tvb(&roam_adv_packeth->dst, AT_ETHER, 6, tvb, 4); |
3707 | 0 | copy_address_shallow(&pinfo->dl_dst, &roam_adv_packeth->dst); |
3708 | 0 | copy_address_shallow(&pinfo->dst, &roam_adv_packeth->dst); |
3709 | 0 | set_address_tvb(&roam_adv_packeth->src, AT_ETHER, 6, tvb, 10); |
3710 | 0 | copy_address_shallow(&pinfo->dl_src, &roam_adv_packeth->src); |
3711 | 0 | copy_address_shallow(&pinfo->src, &roam_adv_packeth->src); |
3712 | 0 | set_address_tvb(&roam_adv_packeth->client, AT_ETHER, 6, tvb, 16); |
3713 | | |
3714 | | /* Set info column */ |
3715 | 0 | col_add_fstr(pinfo->cinfo, COL_INFO, "Client %s", address_with_resolution_to_str(pinfo->pool, &roam_adv_packeth->client)); |
3716 | | |
3717 | | /* Set tree info */ |
3718 | 0 | ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, ROAM_ADV_PACKET_V14_SIZE, |
3719 | 0 | "B.A.T.M.A.N. Roam: %s", |
3720 | 0 | address_with_resolution_to_str(pinfo->pool, &roam_adv_packeth->client)); |
3721 | 0 | batadv_roam_adv_tree = proto_item_add_subtree(ti, ett_batadv_roam_adv); |
3722 | | |
3723 | | /* items */ |
3724 | 0 | proto_tree_add_uint_format(batadv_roam_adv_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_ROAM_ADV_V14, |
3725 | 0 | "Packet Type: %s (%u)", "BATADV_ROAM_ADV", BATADV_ROAM_ADV_V14); |
3726 | 0 | offset += 1; |
3727 | |
|
3728 | 0 | proto_tree_add_item(batadv_roam_adv_tree, hf_batadv_roam_adv_version, tvb, offset, 1, ENC_BIG_ENDIAN); |
3729 | 0 | offset += 1; |
3730 | |
|
3731 | 0 | proto_tree_add_item(batadv_roam_adv_tree, hf_batadv_roam_adv_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); |
3732 | 0 | offset += 1; |
3733 | | |
3734 | | /* Skip 1 byte of padding. */ |
3735 | 0 | offset += 1; |
3736 | |
|
3737 | 0 | proto_tree_add_item(batadv_roam_adv_tree, hf_batadv_roam_adv_dst, tvb, offset, 6, ENC_NA); |
3738 | 0 | offset += 6; |
3739 | |
|
3740 | 0 | proto_tree_add_item(batadv_roam_adv_tree, hf_batadv_roam_adv_src, tvb, offset, 6, ENC_NA); |
3741 | 0 | offset += 6; |
3742 | |
|
3743 | 0 | proto_tree_add_item(batadv_roam_adv_tree, hf_batadv_roam_adv_client, tvb, offset, 6, ENC_NA); |
3744 | 0 | offset += 6; |
3745 | |
|
3746 | 0 | tap_queue_packet(batadv_tap, pinfo, roam_adv_packeth); |
3747 | |
|
3748 | 0 | length_remaining = tvb_reported_length_remaining(tvb, offset); |
3749 | 0 | if (length_remaining > 0) { |
3750 | 0 | next_tvb = tvb_new_subset_remaining(tvb, offset); |
3751 | |
|
3752 | 0 | if (have_tap_listener(batadv_follow_tap)) { |
3753 | 0 | tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); |
3754 | 0 | } |
3755 | |
|
3756 | 0 | call_data_dissector(next_tvb, pinfo, tree); |
3757 | 0 | } |
3758 | 0 | } |
3759 | | |
3760 | | static void dissect_batadv_coded(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) |
3761 | 0 | { |
3762 | 0 | uint8_t version; |
3763 | | |
3764 | | /* set protocol name */ |
3765 | 0 | col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_CODED"); |
3766 | |
|
3767 | 0 | version = tvb_get_uint8(tvb, 1); |
3768 | 0 | switch (version) { |
3769 | 0 | case 15: |
3770 | 0 | dissect_batadv_coded_v15(tvb, pinfo, tree); |
3771 | 0 | break; |
3772 | 0 | default: |
3773 | 0 | col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Version %d", version); |
3774 | 0 | call_data_dissector(tvb, pinfo, tree); |
3775 | 0 | break; |
3776 | 0 | } |
3777 | 0 | } |
3778 | | |
3779 | | static void dissect_batadv_coded_v15(tvbuff_t *tvb, packet_info *pinfo, |
3780 | | proto_tree *tree) |
3781 | 0 | { |
3782 | 0 | struct coded_packet_v15 *coded_packeth; |
3783 | 0 | proto_tree *batadv_coded_tree; |
3784 | 0 | proto_item *ti; |
3785 | |
|
3786 | 0 | tvbuff_t *next_tvb; |
3787 | 0 | int length_remaining; |
3788 | 0 | unsigned offset = 0; |
3789 | |
|
3790 | 0 | coded_packeth = wmem_new(pinfo->pool, struct coded_packet_v15); |
3791 | | |
3792 | | /* Set tree info */ |
3793 | 0 | ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, |
3794 | 0 | tvb, 0, |
3795 | 0 | CODED_PACKET_V15_SIZE, |
3796 | 0 | "B.A.T.M.A.N. Coded"); |
3797 | 0 | batadv_coded_tree = proto_item_add_subtree(ti, ett_batadv_coded); |
3798 | | |
3799 | | /* items */ |
3800 | 0 | coded_packeth->packet_type = tvb_get_uint8(tvb, offset); |
3801 | 0 | proto_tree_add_uint_format_value(batadv_coded_tree, |
3802 | 0 | hf_batadv_packet_type, |
3803 | 0 | tvb, offset, 1, |
3804 | 0 | coded_packeth->packet_type, |
3805 | 0 | "%s (%u)", "BATADV_CODED", |
3806 | 0 | coded_packeth->packet_type); |
3807 | 0 | offset += 1; |
3808 | |
|
3809 | 0 | coded_packeth->version = tvb_get_uint8(tvb, offset); |
3810 | 0 | proto_tree_add_item(batadv_coded_tree, hf_batadv_coded_version, tvb, |
3811 | 0 | offset, 1, ENC_BIG_ENDIAN); |
3812 | 0 | offset += 1; |
3813 | |
|
3814 | 0 | coded_packeth->ttl = tvb_get_uint8(tvb, offset); |
3815 | 0 | proto_tree_add_item(batadv_coded_tree, hf_batadv_coded_ttl, tvb, offset, |
3816 | 0 | 1, ENC_BIG_ENDIAN); |
3817 | 0 | offset += 1; |
3818 | |
|
3819 | 0 | coded_packeth->first_ttvn = tvb_get_uint8(tvb, offset); |
3820 | 0 | proto_tree_add_item(batadv_coded_tree, hf_batadv_coded_first_ttvn, tvb, |
3821 | 0 | offset, 1, ENC_BIG_ENDIAN); |
3822 | 0 | offset += 1; |
3823 | |
|
3824 | 0 | set_address_tvb(&coded_packeth->first_source, AT_ETHER, 6, tvb, offset); |
3825 | 0 | copy_address_shallow(&pinfo->dl_src, &coded_packeth->first_source); |
3826 | 0 | copy_address_shallow(&pinfo->src, &coded_packeth->first_source); |
3827 | 0 | proto_tree_add_item(batadv_coded_tree, hf_batadv_coded_first_source, |
3828 | 0 | tvb, offset, 6, ENC_NA); |
3829 | 0 | offset += 6; |
3830 | |
|
3831 | 0 | set_address_tvb(&coded_packeth->first_orig_dest, AT_ETHER, 6, tvb, offset); |
3832 | 0 | copy_address_shallow(&pinfo->dl_dst, &coded_packeth->first_orig_dest); |
3833 | 0 | copy_address_shallow(&pinfo->dst, &coded_packeth->first_orig_dest); |
3834 | 0 | proto_tree_add_item(batadv_coded_tree, hf_batadv_coded_first_orig_dest, |
3835 | 0 | tvb, offset, 6, ENC_NA); |
3836 | 0 | offset += 6; |
3837 | |
|
3838 | 0 | coded_packeth->first_crc = tvb_get_ntohl(tvb, offset); |
3839 | 0 | proto_tree_add_item(batadv_coded_tree, hf_batadv_coded_first_crc, tvb, |
3840 | 0 | offset, 4, ENC_BIG_ENDIAN); |
3841 | 0 | offset += 4; |
3842 | |
|
3843 | 0 | coded_packeth->second_ttl = tvb_get_uint8(tvb, offset); |
3844 | 0 | proto_tree_add_item(batadv_coded_tree, hf_batadv_coded_second_ttl, tvb, |
3845 | 0 | offset, 1, ENC_BIG_ENDIAN); |
3846 | 0 | offset += 1; |
3847 | |
|
3848 | 0 | coded_packeth->second_ttvn = tvb_get_uint8(tvb, offset); |
3849 | 0 | proto_tree_add_item(batadv_coded_tree, hf_batadv_coded_second_ttvn, tvb, |
3850 | 0 | offset, 1, ENC_BIG_ENDIAN); |
3851 | 0 | offset += 1; |
3852 | |
|
3853 | 0 | set_address_tvb(&coded_packeth->second_dest, AT_ETHER, 6, tvb, offset); |
3854 | 0 | proto_tree_add_item(batadv_coded_tree, hf_batadv_coded_second_dest, |
3855 | 0 | tvb, offset, 6, ENC_NA); |
3856 | 0 | offset += 6; |
3857 | |
|
3858 | 0 | set_address_tvb(&coded_packeth->second_source, AT_ETHER, 6, tvb, offset); |
3859 | 0 | proto_tree_add_item(batadv_coded_tree, hf_batadv_coded_second_source, |
3860 | 0 | tvb, offset, 6, ENC_NA); |
3861 | 0 | offset += 6; |
3862 | |
|
3863 | 0 | set_address_tvb(&coded_packeth->second_orig_dest, AT_ETHER, 6, tvb, offset); |
3864 | 0 | proto_tree_add_item(batadv_coded_tree, hf_batadv_coded_second_orig_dest, |
3865 | 0 | tvb, offset, 6, ENC_NA); |
3866 | 0 | offset += 6; |
3867 | |
|
3868 | 0 | coded_packeth->second_crc = tvb_get_ntohl(tvb, offset); |
3869 | 0 | proto_tree_add_item(batadv_coded_tree, hf_batadv_coded_second_crc, tvb, |
3870 | 0 | offset, 4, ENC_BIG_ENDIAN); |
3871 | 0 | offset += 4; |
3872 | |
|
3873 | 0 | coded_packeth->coded_len = tvb_get_ntohs(tvb, offset); |
3874 | 0 | proto_tree_add_item(batadv_coded_tree, hf_batadv_coded_coded_len, tvb, |
3875 | 0 | offset, 2, ENC_BIG_ENDIAN); |
3876 | 0 | offset += 2; |
3877 | |
|
3878 | 0 | tap_queue_packet(batadv_tap, pinfo, coded_packeth); |
3879 | |
|
3880 | 0 | length_remaining = tvb_reported_length_remaining(tvb, offset); |
3881 | 0 | if (length_remaining > 0) { |
3882 | 0 | next_tvb = tvb_new_subset_remaining(tvb, offset); |
3883 | |
|
3884 | 0 | if (have_tap_listener(batadv_follow_tap)) { |
3885 | 0 | tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); |
3886 | 0 | } |
3887 | |
|
3888 | 0 | call_data_dissector(next_tvb, pinfo, tree); |
3889 | 0 | } |
3890 | 0 | } |
3891 | | |
3892 | | static void dissect_batadv_elp(tvbuff_t *tvb, packet_info *pinfo, |
3893 | | proto_tree *tree) |
3894 | 0 | { |
3895 | 0 | uint8_t version; |
3896 | | |
3897 | | /* set protocol name */ |
3898 | 0 | col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_ELP"); |
3899 | |
|
3900 | 0 | version = tvb_get_uint8(tvb, 1); |
3901 | 0 | switch (version) { |
3902 | 0 | case 15: |
3903 | 0 | dissect_batadv_elp_v15(tvb, pinfo, tree); |
3904 | 0 | break; |
3905 | 0 | default: |
3906 | 0 | col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Version %d", |
3907 | 0 | version); |
3908 | 0 | call_data_dissector(tvb, pinfo, tree); |
3909 | 0 | break; |
3910 | 0 | } |
3911 | 0 | } |
3912 | | |
3913 | | static void dissect_batadv_elp_v15(tvbuff_t *tvb, packet_info *pinfo, |
3914 | | proto_tree *tree) |
3915 | 0 | { |
3916 | 0 | struct elp_packet_v15 *elp_packeth; |
3917 | 0 | proto_tree *batadv_elp_tree; |
3918 | 0 | proto_item *ti; |
3919 | |
|
3920 | 0 | tvbuff_t *next_tvb; |
3921 | 0 | int length_remaining; |
3922 | 0 | unsigned offset = 0; |
3923 | |
|
3924 | 0 | elp_packeth = wmem_new(pinfo->pool, struct elp_packet_v15); |
3925 | | |
3926 | | /* Set tree info */ |
3927 | 0 | ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, |
3928 | 0 | tvb, 0, |
3929 | 0 | ELP_PACKET_V15_SIZE, |
3930 | 0 | "B.A.T.M.A.N. ELP"); |
3931 | 0 | batadv_elp_tree = proto_item_add_subtree(ti, ett_batadv_elp); |
3932 | | |
3933 | | /* items */ |
3934 | 0 | elp_packeth->packet_type = tvb_get_uint8(tvb, offset); |
3935 | 0 | proto_tree_add_uint_format_value(batadv_elp_tree, |
3936 | 0 | hf_batadv_packet_type, |
3937 | 0 | tvb, offset, 1, |
3938 | 0 | elp_packeth->packet_type, |
3939 | 0 | "%s (%u)", "BATADV_ELP", |
3940 | 0 | elp_packeth->packet_type); |
3941 | 0 | offset += 1; |
3942 | |
|
3943 | 0 | elp_packeth->version = tvb_get_uint8(tvb, offset); |
3944 | 0 | proto_tree_add_item(batadv_elp_tree, hf_batadv_elp_version, tvb, |
3945 | 0 | offset, 1, ENC_BIG_ENDIAN); |
3946 | 0 | offset += 1; |
3947 | |
|
3948 | 0 | set_address_tvb(&elp_packeth->orig, AT_ETHER, 6, tvb, offset); |
3949 | 0 | set_address_tvb(&pinfo->dl_src, AT_ETHER, 6, tvb, offset); |
3950 | 0 | set_address_tvb(&pinfo->src, AT_ETHER, 6, tvb, offset); |
3951 | 0 | proto_tree_add_item(batadv_elp_tree, hf_batadv_elp_orig, tvb, |
3952 | 0 | offset, 6, ENC_NA); |
3953 | 0 | offset += 6; |
3954 | |
|
3955 | 0 | elp_packeth->seqno = tvb_get_ntohl(tvb, offset); |
3956 | 0 | proto_tree_add_item(batadv_elp_tree, hf_batadv_elp_seqno, tvb, |
3957 | 0 | offset, 4, ENC_BIG_ENDIAN); |
3958 | 0 | offset += 4; |
3959 | |
|
3960 | 0 | elp_packeth->interval = tvb_get_ntohl(tvb, offset); |
3961 | 0 | proto_tree_add_item(batadv_elp_tree, hf_batadv_elp_interval, tvb, |
3962 | 0 | offset, 4, ENC_BIG_ENDIAN); |
3963 | 0 | offset += 4; |
3964 | |
|
3965 | 0 | tap_queue_packet(batadv_tap, pinfo, elp_packeth); |
3966 | |
|
3967 | 0 | length_remaining = tvb_reported_length_remaining(tvb, offset); |
3968 | 0 | if (length_remaining > 0) { |
3969 | 0 | next_tvb = tvb_new_subset_remaining(tvb, offset); |
3970 | |
|
3971 | 0 | if (have_tap_listener(batadv_follow_tap)) { |
3972 | 0 | tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); |
3973 | 0 | } |
3974 | |
|
3975 | 0 | call_data_dissector(next_tvb, pinfo, tree); |
3976 | 0 | } |
3977 | 0 | } |
3978 | | |
3979 | | static void dissect_batadv_ogm2(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) |
3980 | 1 | { |
3981 | 1 | uint8_t version; |
3982 | 1 | unsigned offset = 0; |
3983 | | |
3984 | | /* set protocol name */ |
3985 | 1 | col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_OGM2"); |
3986 | | |
3987 | 1 | version = tvb_get_uint8(tvb, 1); |
3988 | 1 | switch (version) { |
3989 | 0 | case 15: |
3990 | 0 | while (tvb_reported_length_remaining(tvb, offset) >= OGM2_PACKET_V15_SIZE) { |
3991 | 0 | offset = dissect_batadv_ogm2_v15(tvb, offset, pinfo, tree); |
3992 | 0 | } |
3993 | 0 | break; |
3994 | 1 | default: |
3995 | 1 | col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Version %d", version); |
3996 | 1 | call_data_dissector(tvb, pinfo, tree); |
3997 | 1 | break; |
3998 | 1 | } |
3999 | 1 | } |
4000 | | |
4001 | | static unsigned dissect_batadv_ogm2_v15(tvbuff_t *tvb, unsigned offset, |
4002 | | packet_info *pinfo, proto_tree *tree) |
4003 | 0 | { |
4004 | 0 | proto_tree *batadv_ogm2_tree; |
4005 | 0 | proto_item *ti, *throughput_item; |
4006 | 0 | uint8_t type, version; |
4007 | 0 | struct ogm2_packet_v15 *ogm2_packeth; |
4008 | 0 | tvbuff_t *next_tvb; |
4009 | | #if 0 |
4010 | | /* OGM2 flags field is unused, it is illegal to call |
4011 | | * proto_tree_add_bitmask with an empty list of fields. |
4012 | | */ |
4013 | | static int * const flags[] = { |
4014 | | NULL |
4015 | | }; |
4016 | | #endif |
4017 | |
|
4018 | 0 | type = tvb_get_uint8(tvb, offset+0); |
4019 | 0 | version = tvb_get_uint8(tvb, offset+1); |
4020 | | |
4021 | | /* don't interpret padding as B.A.T.M.A.N. advanced packet */ |
4022 | 0 | if (version == 0 || type != BATADV_OGM2_V15) |
4023 | 0 | return tvb_reported_length(tvb); |
4024 | | |
4025 | 0 | ogm2_packeth = wmem_new(pinfo->pool, struct ogm2_packet_v15); |
4026 | | |
4027 | | /* Set tree info */ |
4028 | 0 | ogm2_packeth->tvlv_len = tvb_get_ntohs(tvb, offset + 14); |
4029 | 0 | ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, |
4030 | 0 | tvb, offset, |
4031 | 0 | OGM2_PACKET_V15_SIZE + ogm2_packeth->tvlv_len, |
4032 | 0 | "B.A.T.M.A.N. OGM2, Orig: %s", |
4033 | 0 | tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, offset + 8)); |
4034 | 0 | batadv_ogm2_tree = proto_item_add_subtree(ti, ett_batadv_ogm2); |
4035 | | |
4036 | | /* items */ |
4037 | 0 | ogm2_packeth->packet_type = tvb_get_uint8(tvb, offset); |
4038 | 0 | proto_tree_add_uint_format_value(batadv_ogm2_tree, |
4039 | 0 | hf_batadv_packet_type, |
4040 | 0 | tvb, offset, 1, BATADV_OGM2_V15, |
4041 | 0 | "%s (%u)", "BATADV_OGM2", |
4042 | 0 | BATADV_OGM2_V15); |
4043 | 0 | offset += 1; |
4044 | |
|
4045 | 0 | ogm2_packeth->version = tvb_get_uint8(tvb, offset); |
4046 | 0 | proto_tree_add_item(batadv_ogm2_tree, hf_batadv_ogm2_version, tvb, |
4047 | 0 | offset, 1, ENC_BIG_ENDIAN); |
4048 | 0 | offset += 1; |
4049 | |
|
4050 | 0 | ogm2_packeth->ttl = tvb_get_uint8(tvb, offset); |
4051 | 0 | proto_tree_add_item(batadv_ogm2_tree, hf_batadv_ogm2_ttl, tvb, |
4052 | 0 | offset, 1, ENC_BIG_ENDIAN); |
4053 | 0 | offset += 1; |
4054 | |
|
4055 | 0 | ogm2_packeth->flags = tvb_get_uint8(tvb, offset); |
4056 | 0 | proto_tree_add_item(batadv_ogm2_tree, hf_batadv_ogm2_flags, tvb, |
4057 | 0 | offset, 1, ENC_NA); |
4058 | 0 | offset += 1; |
4059 | |
|
4060 | 0 | ogm2_packeth->seqno = tvb_get_ntohl(tvb, offset); |
4061 | 0 | proto_tree_add_item(batadv_ogm2_tree, hf_batadv_ogm2_seqno, tvb, |
4062 | 0 | offset, 4, ENC_BIG_ENDIAN); |
4063 | 0 | col_add_fstr(pinfo->cinfo, COL_INFO, "Seq=%u", ogm2_packeth->seqno); |
4064 | 0 | offset += 4; |
4065 | |
|
4066 | 0 | set_address_tvb(&ogm2_packeth->orig, AT_ETHER, 6, tvb, offset); |
4067 | 0 | set_address_tvb(&pinfo->dl_src, AT_ETHER, 6, tvb, offset); |
4068 | 0 | set_address_tvb(&pinfo->src, AT_ETHER, 6, tvb, offset); |
4069 | 0 | proto_tree_add_item(batadv_ogm2_tree, hf_batadv_ogm2_orig, tvb, |
4070 | 0 | offset, 6, ENC_NA); |
4071 | 0 | offset += 6; |
4072 | |
|
4073 | 0 | ogm2_packeth->tvlv_len = tvb_get_ntohs(tvb, offset); |
4074 | 0 | proto_tree_add_item(batadv_ogm2_tree, hf_batadv_ogm2_tvlv_len, tvb, |
4075 | 0 | offset, 2, ENC_BIG_ENDIAN); |
4076 | 0 | offset += 2; |
4077 | |
|
4078 | 0 | ogm2_packeth->throughput = tvb_get_ntohl(tvb, offset); |
4079 | 0 | throughput_item = proto_tree_add_item(batadv_ogm2_tree, |
4080 | 0 | hf_batadv_ogm2_throughput, tvb, |
4081 | 0 | offset, 4, ENC_BIG_ENDIAN); |
4082 | 0 | proto_item_set_text(throughput_item, "Throughput: %u.%u Mbit/s", |
4083 | 0 | ogm2_packeth->throughput / 10, |
4084 | 0 | ogm2_packeth->throughput % 10); |
4085 | 0 | offset += 4; |
4086 | |
|
4087 | 0 | tap_queue_packet(batadv_tap, pinfo, ogm2_packeth); |
4088 | |
|
4089 | 0 | if (ogm2_packeth->tvlv_len > 0) { |
4090 | 0 | next_tvb = tvb_new_subset_length(tvb, offset, |
4091 | 0 | ogm2_packeth->tvlv_len); |
4092 | |
|
4093 | 0 | if (have_tap_listener(batadv_follow_tap)) { |
4094 | 0 | tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); |
4095 | 0 | } |
4096 | |
|
4097 | 0 | dissect_batadv_tvlv_v15(next_tvb, pinfo, batadv_ogm2_tree); |
4098 | 0 | offset += ogm2_packeth->tvlv_len; |
4099 | 0 | } |
4100 | |
|
4101 | 0 | return offset; |
4102 | 0 | } |
4103 | | |
4104 | | static void dissect_batadv_unicast_tvlv(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) |
4105 | 0 | { |
4106 | 0 | uint8_t version; |
4107 | | |
4108 | | /* set protocol name */ |
4109 | 0 | col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_UNICAST_TVLV"); |
4110 | |
|
4111 | 0 | version = tvb_get_uint8(tvb, 1); |
4112 | 0 | switch (version) { |
4113 | 0 | case 15: |
4114 | 0 | dissect_batadv_unicast_tvlv_v15(tvb, pinfo, tree); |
4115 | 0 | break; |
4116 | 0 | default: |
4117 | 0 | col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Version %d", |
4118 | 0 | version); |
4119 | 0 | call_data_dissector(tvb, pinfo, tree); |
4120 | 0 | break; |
4121 | 0 | } |
4122 | 0 | } |
4123 | | |
4124 | | static void dissect_batadv_unicast_tvlv_v15(tvbuff_t *tvb, packet_info *pinfo, |
4125 | | proto_tree *tree) |
4126 | 0 | { |
4127 | 0 | struct unicast_tvlv_packet_v15 *unicast_tvlv_packeth; |
4128 | |
|
4129 | 0 | tvbuff_t *next_tvb; |
4130 | 0 | unsigned offset = 0; |
4131 | 0 | proto_tree *batadv_unicast_tvlv_tree; |
4132 | 0 | proto_item *ti; |
4133 | |
|
4134 | 0 | unicast_tvlv_packeth = wmem_new(pinfo->pool, struct unicast_tvlv_packet_v15); |
4135 | | |
4136 | | /* Set info column */ |
4137 | 0 | col_clear(pinfo->cinfo, COL_INFO); |
4138 | | |
4139 | | /* Set tree info */ |
4140 | 0 | unicast_tvlv_packeth->tvlv_len = tvb_get_ntohs(tvb, 16); |
4141 | 0 | ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, |
4142 | 0 | tvb, 0, |
4143 | 0 | UNICAST_TVLV_PACKET_V15_SIZE + unicast_tvlv_packeth->tvlv_len, |
4144 | 0 | "B.A.T.M.A.N. Unicast TVLV, Src: %s Dst: %s", |
4145 | 0 | tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, 10), |
4146 | 0 | tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, 4)); |
4147 | 0 | batadv_unicast_tvlv_tree = proto_item_add_subtree(ti, ett_batadv_unicast_tvlv); |
4148 | | |
4149 | | /* items */ |
4150 | 0 | unicast_tvlv_packeth->packet_type = tvb_get_uint8(tvb, offset); |
4151 | 0 | proto_tree_add_uint_format_value(batadv_unicast_tvlv_tree, |
4152 | 0 | hf_batadv_packet_type, tvb, offset, 1, |
4153 | 0 | unicast_tvlv_packeth->packet_type, |
4154 | 0 | "%s (%u)", "BATADV_UNICAST_TVLV", |
4155 | 0 | unicast_tvlv_packeth->packet_type); |
4156 | 0 | offset += 1; |
4157 | |
|
4158 | 0 | unicast_tvlv_packeth->version = tvb_get_uint8(tvb, offset); |
4159 | 0 | proto_tree_add_item(batadv_unicast_tvlv_tree, |
4160 | 0 | hf_batadv_unicast_tvlv_version, tvb, offset, 1, |
4161 | 0 | ENC_BIG_ENDIAN); |
4162 | 0 | offset += 1; |
4163 | |
|
4164 | 0 | unicast_tvlv_packeth->ttl = tvb_get_uint8(tvb, offset); |
4165 | 0 | proto_tree_add_item(batadv_unicast_tvlv_tree, |
4166 | 0 | hf_batadv_unicast_tvlv_ttl, tvb, offset, 1, |
4167 | 0 | ENC_BIG_ENDIAN); |
4168 | 0 | offset += 1; |
4169 | | |
4170 | | /* Skip 1 byte of padding. */ |
4171 | 0 | offset += 1; |
4172 | |
|
4173 | 0 | set_address_tvb(&unicast_tvlv_packeth->dest, AT_ETHER, 6, tvb, offset); |
4174 | 0 | copy_address_shallow(&pinfo->dl_dst, &unicast_tvlv_packeth->dest); |
4175 | 0 | copy_address_shallow(&pinfo->dst, &unicast_tvlv_packeth->dest); |
4176 | 0 | proto_tree_add_item(batadv_unicast_tvlv_tree, hf_batadv_unicast_tvlv_dst, |
4177 | 0 | tvb, offset, 6, ENC_NA); |
4178 | 0 | offset += 6; |
4179 | |
|
4180 | 0 | set_address_tvb(&unicast_tvlv_packeth->src, AT_ETHER, 6, tvb, offset); |
4181 | 0 | copy_address_shallow(&pinfo->dl_src, &unicast_tvlv_packeth->src); |
4182 | 0 | copy_address_shallow(&pinfo->src, &unicast_tvlv_packeth->src); |
4183 | 0 | proto_tree_add_item(batadv_unicast_tvlv_tree, hf_batadv_unicast_tvlv_src, |
4184 | 0 | tvb, offset, 6, ENC_NA); |
4185 | 0 | offset += 6; |
4186 | |
|
4187 | 0 | unicast_tvlv_packeth->tvlv_len = tvb_get_ntohs(tvb, offset); |
4188 | 0 | proto_tree_add_item(batadv_unicast_tvlv_tree, |
4189 | 0 | hf_batadv_unicast_tvlv_len, tvb, offset, 2, |
4190 | 0 | ENC_BIG_ENDIAN); |
4191 | 0 | offset += 2; |
4192 | | |
4193 | | /* Skip 2 byte of padding. */ |
4194 | 0 | offset += 2; |
4195 | |
|
4196 | 0 | tap_queue_packet(batadv_tap, pinfo, unicast_tvlv_packeth); |
4197 | |
|
4198 | 0 | if (unicast_tvlv_packeth->tvlv_len > 0) { |
4199 | 0 | next_tvb = tvb_new_subset_length(tvb, offset, |
4200 | 0 | unicast_tvlv_packeth->tvlv_len); |
4201 | |
|
4202 | 0 | if (have_tap_listener(batadv_follow_tap)) { |
4203 | 0 | tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); |
4204 | 0 | } |
4205 | |
|
4206 | 0 | dissect_batadv_tvlv_v15(next_tvb, pinfo, |
4207 | 0 | batadv_unicast_tvlv_tree); |
4208 | | /*offset += unicast_tvlv_packeth->tvlv_len;*/ |
4209 | 0 | } |
4210 | 0 | } |
4211 | | |
4212 | | static void dissect_batadv_tvlv_v15(tvbuff_t *tvb, packet_info *pinfo, |
4213 | | proto_tree *tree) |
4214 | 0 | { |
4215 | 0 | uint8_t type, version; |
4216 | 0 | unsigned length; |
4217 | 0 | unsigned offset = 0; |
4218 | 0 | tvbuff_t *next_tvb; |
4219 | 0 | proto_tree *batadv_tvlv_tree; |
4220 | 0 | proto_item *ti; |
4221 | |
|
4222 | 0 | while (tvb_reported_length_remaining(tvb, offset) >= 4) { |
4223 | |
|
4224 | 0 | type = tvb_get_uint8(tvb, offset + 0); |
4225 | 0 | version = tvb_get_uint8(tvb, offset + 1); |
4226 | 0 | length = tvb_get_ntohs(tvb, offset + 2) + 4; |
4227 | 0 | next_tvb = tvb_new_subset_length(tvb, offset, length); |
4228 | | |
4229 | | /* Set tree info */ |
4230 | 0 | ti = proto_tree_add_protocol_format(tree, |
4231 | 0 | proto_batadv_plugin, |
4232 | 0 | next_tvb, 0, length, |
4233 | 0 | "TVLV, %s", |
4234 | 0 | val_to_str(pinfo->pool, type, |
4235 | 0 | tvlv_v15_typenames, |
4236 | 0 | "Unknown (0x%02x)")); |
4237 | 0 | batadv_tvlv_tree = proto_item_add_subtree(ti, ett_batadv_tvlv); |
4238 | |
|
4239 | 0 | dissect_batadv_tvlv_v15_header(next_tvb, pinfo, |
4240 | 0 | batadv_tvlv_tree, type); |
4241 | |
|
4242 | 0 | switch (type) { |
4243 | 0 | case BATADV_TVLV_V15_GW: |
4244 | 0 | dissect_batadv_tvlv_v15_gw(next_tvb, pinfo, |
4245 | 0 | batadv_tvlv_tree, 4, |
4246 | 0 | version); |
4247 | 0 | break; |
4248 | 0 | case BATADV_TVLV_V15_DAT: |
4249 | 0 | dissect_batadv_tvlv_v15_dat(next_tvb, pinfo, |
4250 | 0 | batadv_tvlv_tree, 4, |
4251 | 0 | version); |
4252 | 0 | break; |
4253 | 0 | case BATADV_TVLV_V15_NC: |
4254 | 0 | dissect_batadv_tvlv_v15_nc(next_tvb, pinfo, |
4255 | 0 | batadv_tvlv_tree, 4, |
4256 | 0 | version); |
4257 | 0 | break; |
4258 | 0 | case BATADV_TVLV_V15_TT: |
4259 | 0 | dissect_batadv_tvlv_v15_tt(next_tvb, pinfo, |
4260 | 0 | batadv_tvlv_tree, 4, |
4261 | 0 | version); |
4262 | 0 | break; |
4263 | 0 | case BATADV_TVLV_V15_ROAM: |
4264 | 0 | dissect_batadv_tvlv_v15_roam(next_tvb, pinfo, |
4265 | 0 | batadv_tvlv_tree, 4, |
4266 | 0 | version); |
4267 | 0 | break; |
4268 | 0 | case BATADV_TVLV_V15_MCAST: |
4269 | 0 | dissect_batadv_tvlv_v15_mcast(next_tvb, pinfo, |
4270 | 0 | batadv_tvlv_tree, 4, |
4271 | 0 | version); |
4272 | 0 | break; |
4273 | 0 | default: |
4274 | 0 | call_data_dissector(next_tvb, pinfo, |
4275 | 0 | batadv_tvlv_tree); |
4276 | 0 | break; |
4277 | 0 | } |
4278 | 0 | offset += length; |
4279 | 0 | } |
4280 | 0 | } |
4281 | | |
4282 | | static void dissect_batadv_tvlv_v15_header(tvbuff_t *tvb, |
4283 | | packet_info *pinfo _U_, |
4284 | | proto_tree *tree, uint8_t type) |
4285 | 0 | { |
4286 | 0 | unsigned offset = 0; |
4287 | | |
4288 | | /* items */ |
4289 | 0 | proto_tree_add_uint_format_value(tree, hf_batadv_tvlv_type, tvb, offset, |
4290 | 0 | 1, type, "%s", |
4291 | 0 | val_to_str(pinfo->pool, type, tvlv_v15_typenames, |
4292 | 0 | "Unknown (0x%02x)")); |
4293 | 0 | offset += 1; |
4294 | |
|
4295 | 0 | proto_tree_add_item(tree, hf_batadv_tvlv_version, tvb, offset, 1, |
4296 | 0 | ENC_BIG_ENDIAN); |
4297 | 0 | offset += 1; |
4298 | |
|
4299 | 0 | proto_tree_add_item(tree, hf_batadv_tvlv_len, tvb, offset, 2, |
4300 | 0 | ENC_BIG_ENDIAN); |
4301 | 0 | } |
4302 | | |
4303 | | static void dissect_batadv_tvlv_v15_dat(tvbuff_t *tvb, packet_info *pinfo, |
4304 | | proto_tree *tree, unsigned offset, |
4305 | | uint8_t version) |
4306 | 0 | { |
4307 | 0 | if (version != 0x01) { |
4308 | 0 | proto_tree_add_expert_format( |
4309 | 0 | tree, pinfo, &ei_batadv_tvlv_unknown_version, tvb, |
4310 | 0 | offset, 0, "Unknown version (0x%02x)", version); |
4311 | 0 | return; |
4312 | 0 | } |
4313 | 0 | } |
4314 | | |
4315 | | static void dissect_batadv_tvlv_v15_nc(tvbuff_t *tvb, packet_info *pinfo, |
4316 | | proto_tree *tree, unsigned offset, |
4317 | | uint8_t version) |
4318 | 0 | { |
4319 | 0 | if (version != 0x01) { |
4320 | 0 | proto_tree_add_expert_format( |
4321 | 0 | tree, pinfo, &ei_batadv_tvlv_unknown_version, tvb, |
4322 | 0 | offset, 0, "Unknown version (0x%02x)", version); |
4323 | 0 | return; |
4324 | 0 | } |
4325 | 0 | } |
4326 | | |
4327 | | static void dissect_batadv_tvlv_v15_mcast(tvbuff_t *tvb, packet_info *pinfo, |
4328 | | proto_tree *tree, unsigned offset, |
4329 | | uint8_t version) |
4330 | 0 | { |
4331 | 0 | static int * const flags[] = { |
4332 | 0 | &hf_batadv_tvlv_mcast_flags_unsnoopables, |
4333 | 0 | &hf_batadv_tvlv_mcast_flags_ipv4, |
4334 | 0 | &hf_batadv_tvlv_mcast_flags_ipv6, |
4335 | 0 | &hf_batadv_tvlv_mcast_flags_no_rtr4, |
4336 | 0 | &hf_batadv_tvlv_mcast_flags_no_rtr6, |
4337 | 0 | NULL |
4338 | 0 | }; |
4339 | |
|
4340 | 0 | if (version != 0x01 && version != 0x02) { |
4341 | 0 | proto_tree_add_expert_format( |
4342 | 0 | tree, pinfo, &ei_batadv_tvlv_unknown_version, tvb, |
4343 | 0 | offset, 0, "Unknown version (0x%02x)", version); |
4344 | 0 | return; |
4345 | 0 | } |
4346 | | |
4347 | 0 | proto_tree_add_bitmask(tree, tvb, offset, hf_batadv_tvlv_mcast_flags, |
4348 | 0 | ett_batadv_tvlv_mcast_flags, flags, ENC_NA); |
4349 | | |
4350 | | /* 3 byte of padding. */ |
4351 | 0 | } |
4352 | | |
4353 | | static void dissect_batadv_tvlv_v15_gw(tvbuff_t *tvb, packet_info *pinfo, |
4354 | | proto_tree *tree, unsigned offset, |
4355 | | uint8_t version) |
4356 | 0 | { |
4357 | 0 | uint32_t down, up; |
4358 | |
|
4359 | 0 | if (version != 0x01) { |
4360 | 0 | proto_tree_add_expert_format( |
4361 | 0 | tree, pinfo, &ei_batadv_tvlv_unknown_version, tvb, |
4362 | 0 | offset, 0, "Unknown version (0x%02x)", version); |
4363 | 0 | return; |
4364 | 0 | } |
4365 | | |
4366 | 0 | down = tvb_get_ntohl(tvb, offset); |
4367 | 0 | proto_tree_add_uint_format_value(tree, hf_batadv_tvlv_gw_download, |
4368 | 0 | tvb, offset, 4, down, "%u.%uMbit", |
4369 | 0 | down / 10, down % 10); |
4370 | 0 | offset += 4; |
4371 | |
|
4372 | 0 | up = tvb_get_ntohl(tvb, offset); |
4373 | 0 | proto_tree_add_uint_format_value(tree, hf_batadv_tvlv_gw_upload, tvb, |
4374 | 0 | offset, 4, up, "%u.%uMbit", |
4375 | 0 | up / 10, up % 10); |
4376 | 0 | } |
4377 | | |
4378 | | static void dissect_batadv_tvlv_v15_roam(tvbuff_t *tvb, packet_info *pinfo, |
4379 | | proto_tree *tree, unsigned offset, |
4380 | | uint8_t version) |
4381 | 0 | { |
4382 | 0 | static int * const flags[] = { |
4383 | 0 | &hf_batadv_tvlv_vid_vlan, |
4384 | 0 | &hf_batadv_tvlv_vid_tagged, |
4385 | 0 | NULL |
4386 | 0 | }; |
4387 | |
|
4388 | 0 | if (version != 0x01) { |
4389 | 0 | proto_tree_add_expert_format( |
4390 | 0 | tree, pinfo, &ei_batadv_tvlv_unknown_version, tvb, |
4391 | 0 | offset, 0, "Unknown version (0x%02x)", version); |
4392 | 0 | return; |
4393 | 0 | } |
4394 | | |
4395 | 0 | proto_tree_add_item(tree, hf_batadv_tvlv_roam_addr, tvb, offset, 6, |
4396 | 0 | ENC_NA); |
4397 | 0 | offset += 6; |
4398 | |
|
4399 | 0 | proto_tree_add_bitmask(tree, tvb, offset, hf_batadv_tvlv_roam_vid, |
4400 | 0 | ett_batadv_tvlv_vid, flags, ENC_BIG_ENDIAN); |
4401 | 0 | } |
4402 | | |
4403 | | static void dissect_batadv_tvlv_v15_tt(tvbuff_t *tvb, packet_info *pinfo, |
4404 | | proto_tree *tree, unsigned offset, |
4405 | | uint8_t version) |
4406 | 0 | { |
4407 | 0 | uint16_t num_vlan; |
4408 | 0 | int i; |
4409 | 0 | int length_remaining; |
4410 | 0 | static int * const flags[] = { |
4411 | 0 | &hf_batadv_tvlv_tt_flags_type, |
4412 | 0 | &hf_batadv_tvlv_tt_flags_full_table, |
4413 | 0 | NULL |
4414 | 0 | }; |
4415 | 0 | uint8_t tt_flags; |
4416 | 0 | int changes_offset; |
4417 | |
|
4418 | 0 | tt_flags = tvb_get_uint8(tvb, offset); |
4419 | |
|
4420 | 0 | if (version != 0x01) { |
4421 | 0 | proto_tree_add_expert_format( |
4422 | 0 | tree, pinfo, &ei_batadv_tvlv_unknown_version, tvb, |
4423 | 0 | offset, 0, "Unknown version (0x%02x)", version); |
4424 | 0 | return; |
4425 | 0 | } |
4426 | | |
4427 | 0 | proto_tree_add_bitmask(tree, tvb, offset, hf_batadv_tvlv_tt_flags, |
4428 | 0 | ett_batadv_tvlv_tt_flags, flags, ENC_NA); |
4429 | 0 | offset += 1; |
4430 | |
|
4431 | 0 | proto_tree_add_item(tree, hf_batadv_tvlv_tt_ttvn, tvb, offset, 1, |
4432 | 0 | ENC_BIG_ENDIAN); |
4433 | 0 | offset += 1; |
4434 | |
|
4435 | 0 | num_vlan = tvb_get_ntohs(tvb, offset); |
4436 | 0 | proto_tree_add_item(tree, hf_batadv_tvlv_tt_num_vlan, tvb, offset, 2, |
4437 | 0 | ENC_BIG_ENDIAN); |
4438 | 0 | offset += 2; |
4439 | |
|
4440 | 0 | changes_offset = offset + num_vlan * TLVLV_TT_VLAN_V15_SIZE; |
4441 | |
|
4442 | 0 | for (i = 0; i < num_vlan; i++) |
4443 | 0 | offset = dissect_batadv_tvlv_v15_tt_vlan(tvb, pinfo, tree, |
4444 | 0 | offset, tt_flags, |
4445 | 0 | changes_offset); |
4446 | |
|
4447 | 0 | length_remaining = tvb_reported_length_remaining(tvb, offset); |
4448 | 0 | while (length_remaining > 0) { |
4449 | 0 | offset = dissect_batadv_tvlv_v15_tt_change(tvb, pinfo, tree, |
4450 | 0 | offset); |
4451 | 0 | length_remaining = tvb_reported_length_remaining(tvb, offset); |
4452 | 0 | } |
4453 | 0 | } |
4454 | | |
4455 | | static void dissect_batadv_tvlv_v15_tt_vlan_checksum(tvbuff_t *tvb, |
4456 | | proto_item *ti, |
4457 | | packet_info *pinfo, |
4458 | | proto_tree *tree, |
4459 | | uint16_t vlan_id, |
4460 | | int crc_offset, |
4461 | | uint8_t tt_flags, |
4462 | | unsigned offset) |
4463 | 0 | { |
4464 | 0 | const uint8_t *buf; |
4465 | 0 | uint32_t crc32; |
4466 | 0 | uint32_t crc = 0; |
4467 | 0 | int length_remaining; |
4468 | 0 | uint16_t vid; |
4469 | 0 | unsigned int num_entries = 0; |
4470 | 0 | uint8_t full_response = (BATADV_TVLVL_TT_RESPONSE | BATADV_TVLVL_TT_FULL_TABLE); |
4471 | | |
4472 | | /* checksum checks are not possible with non full responses */ |
4473 | 0 | if (tt_flags != full_response) { |
4474 | 0 | proto_tree_add_item(tree, hf_batadv_tvlv_tt_vlan_crc, tvb, |
4475 | 0 | crc_offset, 4, ENC_BIG_ENDIAN); |
4476 | 0 | return; |
4477 | 0 | } |
4478 | | |
4479 | 0 | length_remaining = tvb_reported_length_remaining(tvb, offset); |
4480 | 0 | while (length_remaining >= TLVLV_TT_CHANGE_V15_SIZE) { |
4481 | |
|
4482 | 0 | vid = tvb_get_ntohs(tvb, offset + 10); |
4483 | 0 | if (vid != vlan_id) |
4484 | 0 | goto skip; |
4485 | | |
4486 | 0 | buf = tvb_get_ptr(tvb, offset, TLVLV_TT_CHANGE_V15_SIZE); |
4487 | 0 | if (!buf) |
4488 | 0 | goto skip; |
4489 | | |
4490 | 0 | num_entries++; |
4491 | | |
4492 | | /* checksum over vid, flags, address */ |
4493 | 0 | crc32 = 0; |
4494 | 0 | crc32 = crc32c_calculate_no_swap(&buf[10], 2, crc32); |
4495 | 0 | crc32 = crc32c_calculate_no_swap(buf, 1, crc32); |
4496 | 0 | crc32 = crc32c_calculate_no_swap(&buf[4], 6, crc32); |
4497 | 0 | crc ^= crc32; |
4498 | |
|
4499 | 0 | skip: |
4500 | 0 | offset += TLVLV_TT_CHANGE_V15_SIZE; |
4501 | 0 | length_remaining = tvb_reported_length_remaining(tvb, offset); |
4502 | 0 | } |
4503 | | |
4504 | 0 | proto_tree_add_checksum(tree, tvb, crc_offset, |
4505 | 0 | hf_batadv_tvlv_tt_vlan_crc, |
4506 | 0 | hf_batadv_tvlv_tt_vlan_crc_status, |
4507 | 0 | &ei_batadv_tvlv_tt_vlan_crc, pinfo, crc, |
4508 | 0 | ENC_BIG_ENDIAN, PROTO_CHECKSUM_VERIFY); |
4509 | |
|
4510 | 0 | if (num_entries == 0) |
4511 | 0 | expert_add_info(pinfo, ti, &ei_batadv_tvlv_tt_vlan_empty); |
4512 | 0 | } |
4513 | | |
4514 | | static unsigned dissect_batadv_tvlv_v15_tt_vlan(tvbuff_t *tvb, |
4515 | | packet_info *pinfo, |
4516 | | proto_tree *tree, unsigned offset, |
4517 | | uint8_t tt_flags, |
4518 | | int changes_offset) |
4519 | 0 | { |
4520 | 0 | proto_tree *vlan_tree = NULL; |
4521 | 0 | uint16_t vid; |
4522 | 0 | proto_item *ti = NULL; |
4523 | 0 | static int * const flags[] = { |
4524 | 0 | &hf_batadv_tvlv_vid_vlan, |
4525 | 0 | &hf_batadv_tvlv_vid_tagged, |
4526 | 0 | NULL |
4527 | 0 | }; |
4528 | |
|
4529 | 0 | vid = tvb_get_ntohs(tvb, offset + 4); |
4530 | | |
4531 | | /* Set tree info */ |
4532 | 0 | ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, |
4533 | 0 | tvb, offset, 8, |
4534 | 0 | "VLAN, %04x", vid); |
4535 | 0 | vlan_tree = proto_item_add_subtree(ti, ett_batadv_tvlv_tt_vlan); |
4536 | |
|
4537 | 0 | dissect_batadv_tvlv_v15_tt_vlan_checksum(tvb, ti, pinfo, vlan_tree, vid, |
4538 | 0 | offset, tt_flags, |
4539 | 0 | changes_offset); |
4540 | 0 | offset += 4; |
4541 | |
|
4542 | 0 | proto_tree_add_bitmask(vlan_tree, tvb, offset, |
4543 | 0 | hf_batadv_tvlv_tt_vlan_vid, |
4544 | 0 | ett_batadv_tvlv_vid, flags, ENC_BIG_ENDIAN); |
4545 | 0 | offset += 2; |
4546 | | |
4547 | | /* Skip 2 byte of padding. */ |
4548 | 0 | offset += 2; |
4549 | |
|
4550 | 0 | return offset; |
4551 | 0 | } |
4552 | | |
4553 | | static unsigned dissect_batadv_tvlv_v15_tt_change(tvbuff_t *tvb, |
4554 | | packet_info *pinfo _U_, |
4555 | | proto_tree *tree, unsigned offset) |
4556 | 0 | { |
4557 | 0 | proto_tree *change_tree; |
4558 | 0 | proto_item *ti; |
4559 | 0 | static int * const flags[] = { |
4560 | 0 | &hf_batadv_tvlv_tt_change_flags_del, |
4561 | 0 | &hf_batadv_tvlv_tt_change_flags_roam, |
4562 | 0 | &hf_batadv_tvlv_tt_change_flags_wifi, |
4563 | 0 | &hf_batadv_tvlv_tt_change_flags_isolate, |
4564 | 0 | NULL |
4565 | 0 | }; |
4566 | 0 | static int * const flags_vlan[] = { |
4567 | 0 | &hf_batadv_tvlv_vid_vlan, |
4568 | 0 | &hf_batadv_tvlv_vid_tagged, |
4569 | 0 | NULL |
4570 | 0 | }; |
4571 | | |
4572 | | /* Set tree info */ |
4573 | 0 | ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, |
4574 | 0 | tvb, offset, 12, |
4575 | 0 | "Entry, %s", |
4576 | 0 | tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, offset + 4)); |
4577 | 0 | change_tree = proto_item_add_subtree(ti, ett_batadv_tvlv_tt_change); |
4578 | |
|
4579 | 0 | proto_tree_add_bitmask(change_tree, tvb, offset, |
4580 | 0 | hf_batadv_tvlv_tt_change_flags, |
4581 | 0 | ett_batadv_batman_flags, flags, ENC_NA); |
4582 | 0 | offset += 1; |
4583 | | |
4584 | | /* Skip 3 byte of padding. */ |
4585 | 0 | offset += 3; |
4586 | |
|
4587 | 0 | proto_tree_add_item(change_tree, hf_batadv_tvlv_tt_change_addr, tvb, |
4588 | 0 | offset, 6, ENC_NA); |
4589 | 0 | offset += 6; |
4590 | |
|
4591 | 0 | proto_tree_add_bitmask(change_tree, tvb, offset, |
4592 | 0 | hf_batadv_tvlv_tt_change_vid, |
4593 | 0 | ett_batadv_tvlv_vid, flags_vlan, ENC_BIG_ENDIAN); |
4594 | 0 | offset += 2; |
4595 | |
|
4596 | 0 | return offset; |
4597 | 0 | } |
4598 | | |
4599 | | void proto_register_batadv(void) |
4600 | 16 | { |
4601 | 16 | module_t *batadv_module; |
4602 | 16 | expert_module_t* expert_batadv; |
4603 | | |
4604 | 16 | static hf_register_info hf[] = { |
4605 | 16 | { &hf_batadv_packet_type, |
4606 | 16 | { "Packet Type", "batadv.batman.packet_type", |
4607 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
4608 | 16 | NULL, HFILL } |
4609 | 16 | }, |
4610 | 16 | { &hf_batadv_batman_version, |
4611 | 16 | { "Version", "batadv.batman.version", |
4612 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
4613 | 16 | NULL, HFILL } |
4614 | 16 | }, |
4615 | 16 | { &hf_batadv_batman_flags, |
4616 | 16 | { "Flags", "batadv.batman.flags", |
4617 | 16 | FT_UINT8, BASE_HEX, NULL, 0x0, |
4618 | 16 | NULL, HFILL } |
4619 | 16 | }, |
4620 | 16 | { &hf_batadv_batman_ttl, |
4621 | 16 | { "Time to Live", "batadv.batman.ttl", |
4622 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
4623 | 16 | NULL, HFILL } |
4624 | 16 | }, |
4625 | 16 | { &hf_batadv_batman_gwflags, |
4626 | 16 | { "Gateway Flags", "batadv.batman.gwflags", |
4627 | 16 | FT_UINT8, BASE_HEX, NULL, 0x0, |
4628 | 16 | NULL, HFILL } |
4629 | 16 | }, |
4630 | 16 | { &hf_batadv_batman_gwflags_dl_speed, |
4631 | 16 | { "Download Speed", "batadv.batman.gwflags.dl_speed", |
4632 | 16 | FT_UINT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_kbit), 0x0, |
4633 | 16 | NULL, HFILL } |
4634 | 16 | }, |
4635 | 16 | { &hf_batadv_batman_gwflags_ul_speed, |
4636 | 16 | { "Upload Speed", "batadv.batman.gwflags.ul_speed", |
4637 | 16 | FT_UINT32, BASE_DEC|BASE_UNIT_STRING, UNS(&units_kbit), 0x0, |
4638 | 16 | NULL, HFILL } |
4639 | 16 | }, |
4640 | 16 | { &hf_batadv_batman_tq, |
4641 | 16 | { "Transmission Quality", "batadv.batman.tq", |
4642 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
4643 | 16 | NULL, HFILL } |
4644 | 16 | }, |
4645 | 16 | { &hf_batadv_batman_seqno, |
4646 | 16 | { "Sequence number", "batadv.batman.seq", |
4647 | 16 | FT_UINT16, BASE_DEC, NULL, 0x0, |
4648 | 16 | NULL, HFILL } |
4649 | 16 | }, |
4650 | 16 | { &hf_batadv_batman_seqno32, |
4651 | 16 | { "Sequence number", "batadv.batman.seq", |
4652 | 16 | FT_UINT32, BASE_DEC, NULL, 0x0, |
4653 | 16 | NULL, HFILL } |
4654 | 16 | }, |
4655 | 16 | { &hf_batadv_batman_orig, |
4656 | 16 | { "Originator", "batadv.batman.orig", |
4657 | 16 | FT_ETHER, BASE_NONE, NULL, 0x0, |
4658 | 16 | NULL, HFILL } |
4659 | 16 | }, |
4660 | 16 | { &hf_batadv_batman_prev_sender, |
4661 | 16 | { "Received from", "batadv.batman.prev_sender", |
4662 | 16 | FT_ETHER, BASE_NONE, NULL, 0x0, |
4663 | 16 | NULL, HFILL } |
4664 | 16 | }, |
4665 | 16 | { &hf_batadv_batman_num_tt, |
4666 | 16 | { "Number of TTs", "batadv.batman.num_tt", |
4667 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
4668 | 16 | NULL, HFILL } |
4669 | 16 | }, |
4670 | 16 | { &hf_batadv_batman_tt_num_changes, |
4671 | 16 | { "Number of TT Changes", "batadv.batman.tt_num_changes", |
4672 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
4673 | 16 | NULL, HFILL } |
4674 | 16 | }, |
4675 | 16 | { &hf_batadv_batman_ttvn, |
4676 | 16 | { "TT Version", "batadv.batman.ttvn", |
4677 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
4678 | 16 | NULL, HFILL } |
4679 | 16 | }, |
4680 | 16 | { &hf_batadv_batman_tt_crc, |
4681 | 16 | { "CRC of TT", "batadv.batman.tt_crc", |
4682 | 16 | FT_UINT16, BASE_HEX, NULL, 0x0, |
4683 | 16 | NULL, HFILL } |
4684 | 16 | }, |
4685 | 16 | { &hf_batadv_batman_flags_directlink, |
4686 | 16 | { "DirectLink", "batadv.batman.flags.directlink", |
4687 | 16 | FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x40, |
4688 | 16 | NULL, HFILL } |
4689 | 16 | }, |
4690 | 16 | { &hf_batadv_batman_flags_vis_server, |
4691 | 16 | { "VIS_SERVER", "batadv.batman.flags.vis_server", |
4692 | 16 | FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x20, |
4693 | 16 | NULL, HFILL } |
4694 | 16 | }, |
4695 | 16 | { &hf_batadv_batman_flags_primaries_first_hop, |
4696 | 16 | { "PRIMARIES_FIRST_HOP", "batadv.batman.flags.primaries_first_hop", |
4697 | 16 | FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x10, |
4698 | 16 | NULL, HFILL } |
4699 | 16 | }, |
4700 | 16 | { &hf_batadv_batman_flags_not_best_next_hop, |
4701 | 16 | { "NOT_BEST_NEXT_HOP", "batadv.batman.flags.not_best_next_hop", |
4702 | 16 | FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x8, |
4703 | 16 | NULL, HFILL } |
4704 | 16 | }, |
4705 | 16 | { &hf_batadv_iv_ogm_version, |
4706 | 16 | { "Version", "batadv.iv_ogm.version", |
4707 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
4708 | 16 | NULL, HFILL } |
4709 | 16 | }, |
4710 | 16 | { &hf_batadv_iv_ogm_ttl, |
4711 | 16 | { "Time to Live", "batadv.iv_ogm.ttl", |
4712 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
4713 | 16 | NULL, HFILL } |
4714 | 16 | }, |
4715 | 16 | { &hf_batadv_iv_ogm_flags, |
4716 | 16 | { "Flags", "batadv.iv_ogm.flags", |
4717 | 16 | FT_UINT8, BASE_HEX, NULL, 0x0, |
4718 | 16 | NULL, HFILL } |
4719 | 16 | }, |
4720 | 16 | { &hf_batadv_iv_ogm_seqno, |
4721 | 16 | { "Sequence number", "batadv.iv_ogm.seq", |
4722 | 16 | FT_UINT32, BASE_DEC, NULL, 0x0, |
4723 | 16 | NULL, HFILL } |
4724 | 16 | }, |
4725 | 16 | { &hf_batadv_iv_ogm_orig, |
4726 | 16 | { "Originator", "batadv.iv_ogm.orig", |
4727 | 16 | FT_ETHER, BASE_NONE, NULL, 0x0, |
4728 | 16 | NULL, HFILL } |
4729 | 16 | }, |
4730 | 16 | { &hf_batadv_iv_ogm_prev_sender, |
4731 | 16 | { "Received from", "batadv.iv_ogm.prev_sender", |
4732 | 16 | FT_ETHER, BASE_NONE, NULL, 0x0, |
4733 | 16 | NULL, HFILL } |
4734 | 16 | }, |
4735 | 16 | { &hf_batadv_iv_ogm_tq, |
4736 | 16 | { "Transmission Quality", "batadv.iv_ogm.tq", |
4737 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
4738 | 16 | NULL, HFILL } |
4739 | 16 | }, |
4740 | 16 | { &hf_batadv_iv_ogm_tvlv_len, |
4741 | 16 | { "Length of TVLV", "batadv.iv_ogm.tvlv_len", |
4742 | 16 | FT_UINT16, BASE_DEC, NULL, 0x0, |
4743 | 16 | NULL, HFILL } |
4744 | 16 | }, |
4745 | 16 | { &hf_batadv_iv_ogm_flags_not_best_next_hop, |
4746 | 16 | { "NOT_BEST_NEXT_HOP", "batadv.iv_ogm.flags.not_best_next_hop", |
4747 | 16 | FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x1, |
4748 | 16 | NULL, HFILL } |
4749 | 16 | }, |
4750 | 16 | { &hf_batadv_iv_ogm_flags_primaries_first_hop, |
4751 | 16 | { "PRIMARIES_FIRST_HOP", "batadv.iv_ogm.flags.primaries_first_hop", |
4752 | 16 | FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x2, |
4753 | 16 | NULL, HFILL } |
4754 | 16 | }, |
4755 | 16 | { &hf_batadv_iv_ogm_flags_directlink, |
4756 | 16 | { "DirectLink", "batadv.iv_ogm.flags.directlink", |
4757 | 16 | FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x4, |
4758 | 16 | NULL, HFILL } |
4759 | 16 | }, |
4760 | 16 | { &hf_batadv_ogm2_version, |
4761 | 16 | { "Version", "batadv.ogm2.version", |
4762 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
4763 | 16 | NULL, HFILL } |
4764 | 16 | }, |
4765 | 16 | { &hf_batadv_ogm2_ttl, |
4766 | 16 | { "Time to Live", "batadv.ogm2.ttl", |
4767 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
4768 | 16 | NULL, HFILL } |
4769 | 16 | }, |
4770 | 16 | { &hf_batadv_ogm2_flags, |
4771 | 16 | { "Flags", "batadv.ogm2.flags", |
4772 | 16 | FT_UINT8, BASE_HEX, NULL, 0x0, |
4773 | 16 | "Unused", HFILL } |
4774 | 16 | }, |
4775 | 16 | { &hf_batadv_ogm2_seqno, |
4776 | 16 | { "Sequence number", "batadv.ogm2.seq", |
4777 | 16 | FT_UINT32, BASE_DEC, NULL, 0x0, |
4778 | 16 | NULL, HFILL } |
4779 | 16 | }, |
4780 | 16 | { &hf_batadv_ogm2_orig, |
4781 | 16 | { "Originator", "batadv.ogm2.orig", |
4782 | 16 | FT_ETHER, BASE_NONE, NULL, 0x0, |
4783 | 16 | NULL, HFILL } |
4784 | 16 | }, |
4785 | 16 | { &hf_batadv_ogm2_tvlv_len, |
4786 | 16 | { "Length of TVLV", "batadv.ogm2.tvlv_len", |
4787 | 16 | FT_UINT16, BASE_DEC, NULL, 0x0, |
4788 | 16 | NULL, HFILL } |
4789 | 16 | }, |
4790 | 16 | { &hf_batadv_ogm2_throughput, |
4791 | 16 | { "Throughput", "batadv.ogm2.throughput", |
4792 | 16 | FT_UINT32, BASE_DEC, NULL, 0x0, |
4793 | 16 | NULL, HFILL } |
4794 | 16 | }, |
4795 | 16 | { &hf_batadv_batman_tt, |
4796 | 16 | { "Translation Table", "batadv.batman.tt", |
4797 | 16 | FT_ETHER, BASE_NONE, NULL, 0x0, |
4798 | 16 | NULL, HFILL } |
4799 | 16 | }, |
4800 | 16 | { &hf_batadv_elp_version, |
4801 | 16 | { "Version", "batadv.elp.version", |
4802 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
4803 | 16 | NULL, HFILL } |
4804 | 16 | }, |
4805 | 16 | { &hf_batadv_elp_orig, |
4806 | 16 | { "Originator", "batadv.elp.orig", |
4807 | 16 | FT_ETHER, BASE_NONE, NULL, 0x0, |
4808 | 16 | NULL, HFILL } |
4809 | 16 | }, |
4810 | 16 | { &hf_batadv_elp_seqno, |
4811 | 16 | { "Sequence number", "batadv.elp.seq", |
4812 | 16 | FT_UINT32, BASE_DEC, NULL, 0x0, |
4813 | 16 | NULL, HFILL } |
4814 | 16 | }, |
4815 | 16 | { &hf_batadv_elp_interval, |
4816 | 16 | { "ELP Interval", "batadv.elp.interval", |
4817 | 16 | FT_UINT32, BASE_DEC, NULL, 0x0, |
4818 | 16 | NULL, HFILL } |
4819 | 16 | }, |
4820 | 16 | { &hf_batadv_bcast_version, |
4821 | 16 | { "Version", "batadv.bcast.version", |
4822 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
4823 | 16 | NULL, HFILL } |
4824 | 16 | }, |
4825 | 16 | { &hf_batadv_bcast_orig, |
4826 | 16 | { "Originator", "batadv.bcast.orig", |
4827 | 16 | FT_ETHER, BASE_NONE, NULL, 0x0, |
4828 | 16 | NULL, HFILL } |
4829 | 16 | }, |
4830 | 16 | { &hf_batadv_bcast_seqno, |
4831 | 16 | { "Sequence number", "batadv.bcast.seq", |
4832 | 16 | FT_UINT16, BASE_DEC, NULL, 0x0, |
4833 | 16 | NULL, HFILL } |
4834 | 16 | }, |
4835 | 16 | { &hf_batadv_bcast_seqno32, |
4836 | 16 | { "Sequence number", "batadv.bcast.seq", |
4837 | 16 | FT_UINT32, BASE_DEC, NULL, 0x0, |
4838 | 16 | NULL, HFILL } |
4839 | 16 | }, |
4840 | 16 | { &hf_batadv_bcast_ttl, |
4841 | 16 | { "Time to Live", "batadv.bcast.ttl", |
4842 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
4843 | 16 | NULL, HFILL } |
4844 | 16 | }, |
4845 | 16 | { &hf_batadv_icmp_version, |
4846 | 16 | { "Version", "batadv.icmp.version", |
4847 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
4848 | 16 | NULL, HFILL } |
4849 | 16 | }, |
4850 | 16 | { &hf_batadv_icmp_msg_type, |
4851 | 16 | { "Message Type", "batadv.icmp.msg_type", |
4852 | 16 | FT_UINT8, BASE_DEC, VALS(icmp_packettypenames), 0x0, |
4853 | 16 | NULL, HFILL } |
4854 | 16 | }, |
4855 | 16 | { &hf_batadv_icmp_dst, |
4856 | 16 | { "Destination", "batadv.icmp.dst", |
4857 | 16 | FT_ETHER, BASE_NONE, NULL, 0x0, |
4858 | 16 | NULL, HFILL } |
4859 | 16 | }, |
4860 | 16 | { &hf_batadv_icmp_orig, |
4861 | 16 | { "Originator", "batadv.icmp.orig", |
4862 | 16 | FT_ETHER, BASE_NONE, NULL, 0x0, |
4863 | 16 | NULL, HFILL } |
4864 | 16 | }, |
4865 | 16 | { &hf_batadv_icmp_ttl, |
4866 | 16 | { "Time to Live", "batadv.icmp.ttl", |
4867 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
4868 | 16 | NULL, HFILL} |
4869 | 16 | }, |
4870 | 16 | { &hf_batadv_icmp_uid, |
4871 | 16 | { "UID", "batadv.icmp.uid", |
4872 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
4873 | 16 | NULL, HFILL} |
4874 | 16 | }, |
4875 | 16 | { &hf_batadv_icmp_seqno, |
4876 | 16 | { "Sequence number", "batadv.icmp.seq", |
4877 | 16 | FT_UINT16, BASE_DEC, NULL, 0x0, |
4878 | 16 | NULL, HFILL} |
4879 | 16 | }, |
4880 | 16 | { &hf_batadv_icmp_rr_pointer, |
4881 | 16 | { "Pointer", "batadv.icmp.rr_pointer", |
4882 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
4883 | 16 | NULL, HFILL} |
4884 | 16 | }, |
4885 | 16 | { &hf_batadv_icmp_rr_ether, |
4886 | 16 | { "RR MAC", "batadv.icmp.rr_ether", |
4887 | 16 | FT_ETHER, BASE_NONE, NULL, 0x0, |
4888 | 16 | NULL, HFILL} |
4889 | 16 | }, |
4890 | 16 | { &hf_batadv_icmp_tp_subtype, |
4891 | 16 | { "Subtype", "batadv.icmp.tp.subtype", |
4892 | 16 | FT_UINT8, BASE_DEC, VALS(icmp_tp_packettypenames), 0x0, |
4893 | 16 | NULL, HFILL} |
4894 | 16 | }, |
4895 | 16 | { &hf_batadv_icmp_tp_session, |
4896 | 16 | { "Session", "batadv.icmp.tp.session", |
4897 | 16 | FT_UINT16, BASE_DEC, NULL, 0x0, |
4898 | 16 | NULL, HFILL} |
4899 | 16 | }, |
4900 | 16 | { &hf_batadv_icmp_tp_seqno, |
4901 | 16 | { "Sequence number", "batadv.icmp.tp.seqno", |
4902 | 16 | FT_UINT32, BASE_DEC, NULL, 0x0, |
4903 | 16 | NULL, HFILL} |
4904 | 16 | }, |
4905 | 16 | { &hf_batadv_icmp_tp_timestamp, |
4906 | 16 | { "Timestamp", "batadv.icmp.tp.timestamp", |
4907 | 16 | FT_UINT32, BASE_DEC, NULL, 0x0, |
4908 | 16 | NULL, HFILL} |
4909 | 16 | }, |
4910 | 16 | { &hf_batadv_unicast_version, |
4911 | 16 | { "Version", "batadv.unicast.version", |
4912 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
4913 | 16 | NULL, HFILL } |
4914 | 16 | }, |
4915 | 16 | { &hf_batadv_unicast_dst, |
4916 | 16 | { "Destination", "batadv.unicast.dst", |
4917 | 16 | FT_ETHER, BASE_NONE, NULL, 0x0, |
4918 | 16 | NULL, HFILL } |
4919 | 16 | }, |
4920 | 16 | { &hf_batadv_unicast_ttl, |
4921 | 16 | { "Time to Live", "batadv.unicast.ttl", |
4922 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
4923 | 16 | NULL, HFILL } |
4924 | 16 | }, |
4925 | 16 | { &hf_batadv_unicast_ttvn, |
4926 | 16 | { "TT Version", "batadv.unicast.ttvn", |
4927 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
4928 | 16 | NULL, HFILL } |
4929 | 16 | }, |
4930 | 16 | { &hf_batadv_unicast_4addr_version, |
4931 | 16 | { "Version", "batadv.unicast_4addr.version", |
4932 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
4933 | 16 | NULL, HFILL } |
4934 | 16 | }, |
4935 | 16 | { &hf_batadv_unicast_4addr_dst, |
4936 | 16 | { "Destination", "batadv.unicast_4addr.dst", |
4937 | 16 | FT_ETHER, BASE_NONE, NULL, 0x0, |
4938 | 16 | NULL, HFILL } |
4939 | 16 | }, |
4940 | 16 | { &hf_batadv_unicast_4addr_ttl, |
4941 | 16 | { "Time to Live", "batadv.unicast_4addr.ttl", |
4942 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
4943 | 16 | NULL, HFILL } |
4944 | 16 | }, |
4945 | 16 | { &hf_batadv_unicast_4addr_ttvn, |
4946 | 16 | { "TT Version", "batadv.unicast_4addr.ttvn", |
4947 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
4948 | 16 | NULL, HFILL } |
4949 | 16 | }, |
4950 | 16 | { &hf_batadv_unicast_4addr_src, |
4951 | 16 | { "Source", "batadv.unicast_4addr.src", |
4952 | 16 | FT_ETHER, BASE_NONE, NULL, 0x0, |
4953 | 16 | NULL, HFILL } |
4954 | 16 | }, |
4955 | 16 | { &hf_batadv_unicast_4addr_subtype, |
4956 | 16 | { "Subtype", "batadv.unicast_4addr.subtype", |
4957 | 16 | FT_UINT8, BASE_DEC, VALS (unicast_4addr_typenames), 0x0, |
4958 | 16 | NULL, HFILL } |
4959 | 16 | }, |
4960 | 16 | { &hf_batadv_unicast_frag_version, |
4961 | 16 | { "Version", "batadv.unicast_frag.version", |
4962 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
4963 | 16 | NULL, HFILL } |
4964 | 16 | }, |
4965 | 16 | { &hf_batadv_unicast_frag_dst, |
4966 | 16 | { "Destination", "batadv.unicast_frag.dst", |
4967 | 16 | FT_ETHER, BASE_NONE, NULL, 0x0, |
4968 | 16 | NULL, HFILL } |
4969 | 16 | }, |
4970 | 16 | { &hf_batadv_unicast_frag_ttl, |
4971 | 16 | { "Time to Live", "batadv.unicast_frag.ttl", |
4972 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
4973 | 16 | NULL, HFILL } |
4974 | 16 | }, |
4975 | 16 | { &hf_batadv_unicast_frag_ttvn, |
4976 | 16 | { "TT Version", "batadv.unicast_frag.ttvn", |
4977 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
4978 | 16 | NULL, HFILL } |
4979 | 16 | }, |
4980 | 16 | { &hf_batadv_unicast_frag_flags, |
4981 | 16 | { "Flags", "batadv.unicast_frag.flags", |
4982 | 16 | FT_UINT8, BASE_HEX, NULL, 0x0, |
4983 | 16 | NULL, HFILL } |
4984 | 16 | }, |
4985 | 16 | { &hf_batadv_unicast_frag_flags_head, |
4986 | 16 | { "Head", "batadv.unicast_frag.flags.head", |
4987 | 16 | FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x01, |
4988 | 16 | NULL, HFILL } |
4989 | 16 | }, |
4990 | 16 | { &hf_batadv_unicast_frag_flags_largetail, |
4991 | 16 | { "Largetail", "batadv.unicast_frag.flags.largetail", |
4992 | 16 | FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x02, |
4993 | 16 | NULL, HFILL } |
4994 | 16 | }, |
4995 | 16 | { &hf_batadv_unicast_frag_orig, |
4996 | 16 | { "Originator", "batadv.unicast_frag.orig", |
4997 | 16 | FT_ETHER, BASE_NONE, NULL, 0x0, |
4998 | 16 | NULL, HFILL } |
4999 | 16 | }, |
5000 | 16 | { &hf_batadv_unicast_frag_seqno, |
5001 | 16 | { "Sequence number", "batadv.unicast_frag.seq", |
5002 | 16 | FT_UINT16, BASE_DEC, NULL, 0x0, |
5003 | 16 | NULL, HFILL } |
5004 | 16 | }, |
5005 | 16 | { &hf_batadv_unicast_frag_no, |
5006 | 16 | { "Fragment number", "batadv.unicast_frag.no", |
5007 | 16 | FT_UINT8, BASE_DEC, NULL, 0xF0, |
5008 | 16 | NULL, HFILL } |
5009 | 16 | }, |
5010 | 16 | { &hf_batadv_unicast_frag_priority, |
5011 | 16 | { "Priority", "batadv.unicast_frag.priority", |
5012 | 16 | FT_UINT8, BASE_DEC, NULL, 0xE, |
5013 | 16 | NULL, HFILL } |
5014 | 16 | }, |
5015 | 16 | { &hf_batadv_unicast_frag_total_size, |
5016 | 16 | { "Complete Size", "batadv.unicast_frag.total_size", |
5017 | 16 | FT_UINT16, BASE_DEC, NULL, 0x0, |
5018 | 16 | NULL, HFILL } |
5019 | 16 | }, |
5020 | 16 | { &hf_batadv_unicast_tvlv_version, |
5021 | 16 | { "Version", "batadv.unicast_tvlv.version", |
5022 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
5023 | 16 | NULL, HFILL } |
5024 | 16 | }, |
5025 | 16 | { &hf_batadv_unicast_tvlv_ttl, |
5026 | 16 | { "Time to Live", "batadv.unicast_tvlv.ttl", |
5027 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
5028 | 16 | NULL, HFILL } |
5029 | 16 | }, |
5030 | 16 | { &hf_batadv_unicast_tvlv_dst, |
5031 | 16 | { "Destination", "batadv.unicast_tvlv.dst", |
5032 | 16 | FT_ETHER, BASE_NONE, NULL, 0x0, |
5033 | 16 | NULL, HFILL } |
5034 | 16 | }, |
5035 | 16 | { &hf_batadv_unicast_tvlv_src, |
5036 | 16 | { "Source", "batadv.unicast_tvlv.src", |
5037 | 16 | FT_ETHER, BASE_NONE, NULL, 0x0, |
5038 | 16 | NULL, HFILL } |
5039 | 16 | }, |
5040 | 16 | { &hf_batadv_unicast_tvlv_len, |
5041 | 16 | { "Length of TVLV", "batadv.unicast_tvlv.len", |
5042 | 16 | FT_UINT16, BASE_DEC, NULL, 0x0, |
5043 | 16 | NULL, HFILL } |
5044 | 16 | }, |
5045 | 16 | { &hf_batadv_vis_version, |
5046 | 16 | { "Version", "batadv.vis.version", |
5047 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
5048 | 16 | NULL, HFILL } |
5049 | 16 | }, |
5050 | 16 | { &hf_batadv_vis_type, |
5051 | 16 | { "Type", "batadv.vis.type", |
5052 | 16 | FT_UINT8, BASE_DEC, VALS(vis_packettypenames), 0x0, |
5053 | 16 | NULL, HFILL } |
5054 | 16 | }, |
5055 | 16 | { &hf_batadv_vis_seqno, |
5056 | 16 | { "Sequence number", "batadv.vis.seq", |
5057 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
5058 | 16 | NULL, HFILL} |
5059 | 16 | }, |
5060 | 16 | { &hf_batadv_vis_seqno32, |
5061 | 16 | { "Sequence number", "batadv.vis.seq", |
5062 | 16 | FT_UINT32, BASE_DEC, NULL, 0x0, |
5063 | 16 | NULL, HFILL} |
5064 | 16 | }, |
5065 | 16 | { &hf_batadv_vis_entries, |
5066 | 16 | { "Entries", "batadv.vis.entries", |
5067 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
5068 | 16 | "Number of entries", HFILL} |
5069 | 16 | }, |
5070 | 16 | { &hf_batadv_vis_ttl, |
5071 | 16 | { "Time to Live", "batadv.vis.ttl", |
5072 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
5073 | 16 | NULL, HFILL} |
5074 | 16 | }, |
5075 | 16 | { &hf_batadv_vis_vis_orig, |
5076 | 16 | { "Originator", "batadv.vis.vis_orig", |
5077 | 16 | FT_ETHER, BASE_NONE, NULL, 0x0, |
5078 | 16 | NULL, HFILL } |
5079 | 16 | }, |
5080 | 16 | { &hf_batadv_vis_target_orig, |
5081 | 16 | { "Target Originator", "batadv.vis.target_orig", |
5082 | 16 | FT_ETHER, BASE_NONE, NULL, 0x0, |
5083 | 16 | NULL, HFILL } |
5084 | 16 | }, |
5085 | 16 | { &hf_batadv_vis_sender_orig, |
5086 | 16 | { "Forwarding Originator", "batadv.vis.sender_orig", |
5087 | 16 | FT_ETHER, BASE_NONE, NULL, 0x0, |
5088 | 16 | NULL, HFILL } |
5089 | 16 | }, |
5090 | 16 | { &hf_batadv_vis_entry_src, |
5091 | 16 | { "Source", "batadv.vis.src", |
5092 | 16 | FT_ETHER, BASE_NONE, NULL, 0x0, |
5093 | 16 | NULL, HFILL } |
5094 | 16 | }, |
5095 | 16 | { &hf_batadv_vis_entry_dst, |
5096 | 16 | { "Destination", "batadv.vis.dst", |
5097 | 16 | FT_ETHER, BASE_NONE, NULL, 0x0, |
5098 | 16 | NULL, HFILL } |
5099 | 16 | }, |
5100 | 16 | { &hf_batadv_vis_entry_quality, |
5101 | 16 | { "Quality", "batadv.vis.quality", |
5102 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
5103 | 16 | NULL, HFILL } |
5104 | 16 | }, |
5105 | 16 | { &hf_batadv_tt_query_version, |
5106 | 16 | { "Version", "batadv.tt_query.version", |
5107 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
5108 | 16 | NULL, HFILL } |
5109 | 16 | }, |
5110 | 16 | { &hf_batadv_tt_query_ttl, |
5111 | 16 | { "Time to Live", "batadv.tt_query.ttl", |
5112 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
5113 | 16 | NULL, HFILL} |
5114 | 16 | }, |
5115 | 16 | { &hf_batadv_tt_query_flags, |
5116 | 16 | { "Flags", "batadv.tt_query.flags", |
5117 | 16 | FT_UINT8, BASE_HEX, NULL, 0x0, |
5118 | 16 | NULL, HFILL } |
5119 | 16 | }, |
5120 | 16 | { &hf_batadv_tt_query_flags_type, |
5121 | 16 | { "Query Type", "batadv.tt_query.flags.type", |
5122 | 16 | FT_UINT8, BASE_HEX, VALS (tt_query_type_v14), TT_TYPE_MASK, |
5123 | 16 | NULL, HFILL } |
5124 | 16 | }, |
5125 | 16 | { &hf_batadv_tt_query_flags_full_table, |
5126 | 16 | { "Full Table", "batadv.tt_query.flags.full_table", |
5127 | 16 | FT_BOOLEAN, 8, TFS(&tfs_set_notset), TT_FULL_TABLE, |
5128 | 16 | NULL, HFILL } |
5129 | 16 | }, |
5130 | 16 | { &hf_batadv_tt_query_dst, |
5131 | 16 | { "Destination", "batadv.tt_query.dst", |
5132 | 16 | FT_ETHER, BASE_NONE, NULL, 0x0, |
5133 | 16 | NULL, HFILL } |
5134 | 16 | }, |
5135 | 16 | { &hf_batadv_tt_query_src, |
5136 | 16 | { "Source", "batadv.tt_query.src", |
5137 | 16 | FT_ETHER, BASE_NONE, NULL, 0x0, |
5138 | 16 | NULL, HFILL } |
5139 | 16 | }, |
5140 | 16 | { &hf_batadv_tt_query_ttvn, |
5141 | 16 | { "TT Version", "batadv.tt_query.ttvn", |
5142 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
5143 | 16 | NULL, HFILL } |
5144 | 16 | }, |
5145 | 16 | { &hf_batadv_tt_query_tt_crc, |
5146 | 16 | { "CRC of TT", "batadv.tt_query.tt_crc", |
5147 | 16 | FT_UINT16, BASE_HEX, NULL, 0x0, |
5148 | 16 | NULL, HFILL } |
5149 | 16 | }, |
5150 | 16 | { &hf_batadv_tt_query_entries, |
5151 | 16 | { "Entries", "batadv.tt_query.entries", |
5152 | 16 | FT_UINT16, BASE_DEC, NULL, 0x0, |
5153 | 16 | "Number of entries", HFILL } |
5154 | 16 | }, |
5155 | 16 | { &hf_batadv_roam_adv_version, |
5156 | 16 | { "Version", "batadv.roam_adv.version", |
5157 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
5158 | 16 | NULL, HFILL } |
5159 | 16 | }, |
5160 | 16 | { &hf_batadv_roam_adv_ttl, |
5161 | 16 | { "Time to Live", "batadv.roam_adv.ttl", |
5162 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
5163 | 16 | NULL, HFILL} |
5164 | 16 | }, |
5165 | 16 | { &hf_batadv_roam_adv_src, |
5166 | 16 | { "Source", "batadv.roam_adv.src", |
5167 | 16 | FT_ETHER, BASE_NONE, NULL, 0x0, |
5168 | 16 | NULL, HFILL } |
5169 | 16 | }, |
5170 | 16 | { &hf_batadv_roam_adv_dst, |
5171 | 16 | { "Destination", "batadv.roam_adv.dst", |
5172 | 16 | FT_ETHER, BASE_NONE, NULL, 0x0, |
5173 | 16 | NULL, HFILL } |
5174 | 16 | }, |
5175 | 16 | { &hf_batadv_roam_adv_client, |
5176 | 16 | { "Client", "batadv.roam_adv.client", |
5177 | 16 | FT_ETHER, BASE_NONE, NULL, 0x0, |
5178 | 16 | NULL, HFILL } |
5179 | 16 | }, |
5180 | 16 | { &hf_batadv_coded_version, |
5181 | 16 | { "Version", "batadv.coded.version", |
5182 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
5183 | 16 | NULL, HFILL } |
5184 | 16 | }, |
5185 | 16 | { &hf_batadv_coded_ttl, |
5186 | 16 | { "Time to Live", "batadv.coded.ttl", |
5187 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
5188 | 16 | NULL, HFILL} |
5189 | 16 | }, |
5190 | 16 | { &hf_batadv_coded_first_ttvn, |
5191 | 16 | { "TT Version (First)", "batadv.coded.first_ttvn", |
5192 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
5193 | 16 | NULL, HFILL} |
5194 | 16 | }, |
5195 | 16 | { &hf_batadv_coded_first_source, |
5196 | 16 | { "Source (First)", "batadv.coded.first_src", |
5197 | 16 | FT_ETHER, BASE_NONE, NULL, 0x0, |
5198 | 16 | NULL, HFILL } |
5199 | 16 | }, |
5200 | 16 | { &hf_batadv_coded_first_orig_dest, |
5201 | 16 | { "Original Destination (First)", "batadv.coded.first_orig_dst", |
5202 | 16 | FT_ETHER, BASE_NONE, NULL, 0x0, |
5203 | 16 | NULL, HFILL } |
5204 | 16 | }, |
5205 | 16 | { &hf_batadv_coded_first_crc, |
5206 | 16 | { "CRC (First)", "batadv.coded.first_crc", |
5207 | 16 | FT_UINT32, BASE_HEX, NULL, 0x0, |
5208 | 16 | NULL, HFILL } |
5209 | 16 | }, |
5210 | 16 | { &hf_batadv_coded_second_ttl, |
5211 | 16 | { "Time to Live (Second)", "batadv.coded.second_ttl", |
5212 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
5213 | 16 | NULL, HFILL} |
5214 | 16 | }, |
5215 | 16 | { &hf_batadv_coded_second_ttvn, |
5216 | 16 | { "TT Version (Second)", "batadv.coded.second_ttvn", |
5217 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
5218 | 16 | NULL, HFILL} |
5219 | 16 | }, |
5220 | 16 | { &hf_batadv_coded_second_dest, |
5221 | 16 | { "Destination (Second)", "batadv.coded.second_dst", |
5222 | 16 | FT_ETHER, BASE_NONE, NULL, 0x0, |
5223 | 16 | NULL, HFILL } |
5224 | 16 | }, |
5225 | 16 | { &hf_batadv_coded_second_source, |
5226 | 16 | { "Source (Second)", "batadv.coded.second_src", |
5227 | 16 | FT_ETHER, BASE_NONE, NULL, 0x0, |
5228 | 16 | NULL, HFILL } |
5229 | 16 | }, |
5230 | 16 | { &hf_batadv_coded_second_orig_dest, |
5231 | 16 | { "Original Destination (Second)", "batadv.coded.second_orig_dst", |
5232 | 16 | FT_ETHER, BASE_NONE, NULL, 0x0, |
5233 | 16 | NULL, HFILL } |
5234 | 16 | }, |
5235 | 16 | { &hf_batadv_coded_second_crc, |
5236 | 16 | { "CRC (Second)", "batadv.coded.second_crc", |
5237 | 16 | FT_UINT32, BASE_HEX, NULL, 0x0, |
5238 | 16 | NULL, HFILL } |
5239 | 16 | }, |
5240 | 16 | { &hf_batadv_coded_coded_len, |
5241 | 16 | { "Length", "batadv.coded.length", |
5242 | 16 | FT_UINT16, BASE_DEC, NULL, 0x0, |
5243 | 16 | NULL, HFILL } |
5244 | 16 | }, |
5245 | 16 | { &hf_msg_fragments, |
5246 | 16 | {"Message fragments", "batadv.unicast_frag.fragments", |
5247 | 16 | FT_NONE, BASE_NONE, NULL, 0x00, |
5248 | 16 | NULL, HFILL } |
5249 | 16 | }, |
5250 | 16 | { &hf_batadv_tt_entry, |
5251 | 16 | { "Entry", "batadv.tt_entry.entry", |
5252 | 16 | FT_ETHER, BASE_NONE, NULL, 0x0, |
5253 | 16 | NULL, HFILL } |
5254 | 16 | }, |
5255 | 16 | { &hf_batadv_tt_entry_flags, |
5256 | 16 | { "Flags", "batadv.tt_entry.flags", |
5257 | 16 | FT_UINT8, BASE_HEX, NULL, 0x0, |
5258 | 16 | NULL, HFILL } |
5259 | 16 | }, |
5260 | 16 | { &hf_batadv_tt_entry_flags_change_del, |
5261 | 16 | { "Delete", "batadv.tt_entry.flags.change_del", |
5262 | 16 | FT_BOOLEAN, 8, TFS(&tfs_set_notset), TT_CHANGE_DEL, |
5263 | 16 | NULL, HFILL } |
5264 | 16 | }, |
5265 | 16 | { &hf_batadv_tt_entry_flags_client_roam, |
5266 | 16 | { "Client Roam", "batadv.tt_entry.flags.client_roam", |
5267 | 16 | FT_BOOLEAN, 8, TFS(&tfs_set_notset), TT_CLIENT_ROAM, |
5268 | 16 | NULL, HFILL } |
5269 | 16 | }, |
5270 | 16 | { &hf_msg_fragment, |
5271 | 16 | {"Message fragment", "batadv.unicast_frag.fragment", |
5272 | 16 | FT_FRAMENUM, BASE_NONE, NULL, 0x00, |
5273 | 16 | NULL, HFILL } |
5274 | 16 | }, |
5275 | 16 | { &hf_msg_fragment_overlap, |
5276 | 16 | {"Message fragment overlap", "batadv.unicast_frag.fragment.overlap", |
5277 | 16 | FT_BOOLEAN, BASE_NONE, NULL, 0x00, |
5278 | 16 | NULL, HFILL } |
5279 | 16 | }, |
5280 | 16 | { &hf_msg_fragment_overlap_conflicts, |
5281 | 16 | {"Message fragment overlapping with conflicting data", |
5282 | 16 | "batadv.unicast_frag.fragment.overlap.conflicts", |
5283 | 16 | FT_BOOLEAN, BASE_NONE, NULL, 0x00, |
5284 | 16 | NULL, HFILL } |
5285 | 16 | }, |
5286 | 16 | { &hf_msg_fragment_multiple_tails, |
5287 | 16 | {"Message has multiple tail fragments", |
5288 | 16 | "batadv.unicast_frag.fragment.multiple_tails", |
5289 | 16 | FT_BOOLEAN, BASE_NONE, NULL, 0x00, |
5290 | 16 | NULL, HFILL } |
5291 | 16 | }, |
5292 | 16 | { &hf_msg_fragment_too_long_fragment, |
5293 | 16 | {"Message fragment too long", "batadv.unicast_frag.fragment.too_long_fragment", |
5294 | 16 | FT_BOOLEAN, BASE_NONE, NULL, 0x00, |
5295 | 16 | NULL, HFILL } |
5296 | 16 | }, |
5297 | 16 | { &hf_msg_fragment_error, |
5298 | 16 | {"Message defragmentation error", "batadv.unicast_frag.fragment.error", |
5299 | 16 | FT_FRAMENUM, BASE_NONE, NULL, 0x00, |
5300 | 16 | NULL, HFILL } |
5301 | 16 | }, |
5302 | 16 | { &hf_msg_fragment_count, |
5303 | 16 | {"Message fragment count", "batadv.unicast_frag.fragment.count", |
5304 | 16 | FT_UINT32, BASE_DEC, NULL, 0x00, |
5305 | 16 | NULL, HFILL } |
5306 | 16 | }, |
5307 | 16 | { &hf_msg_reassembled_in, |
5308 | 16 | {"Reassembled in", "batadv.msg.reassembled.in", |
5309 | 16 | FT_FRAMENUM, BASE_NONE, NULL, 0x00, |
5310 | 16 | NULL, HFILL } |
5311 | 16 | }, |
5312 | 16 | { &hf_msg_reassembled_length, |
5313 | 16 | {"Reassembled length", "batadv.msg.reassembled.length", |
5314 | 16 | FT_UINT32, BASE_DEC, NULL, 0x00, |
5315 | 16 | NULL, HFILL } |
5316 | 16 | }, |
5317 | 16 | { &hf_batadv_tvlv_type, |
5318 | 16 | { "Type", "batadv.tvlv.length", |
5319 | 16 | FT_UINT8, BASE_HEX, NULL, 0x0, |
5320 | 16 | NULL, HFILL } |
5321 | 16 | }, |
5322 | 16 | { &hf_batadv_tvlv_version, |
5323 | 16 | { "Version", "batadv.tvlv.version", |
5324 | 16 | FT_UINT8, BASE_HEX, NULL, 0x0, |
5325 | 16 | NULL, HFILL } |
5326 | 16 | }, |
5327 | 16 | { &hf_batadv_tvlv_len, |
5328 | 16 | { "Length", "batadv.tvlv.len", |
5329 | 16 | FT_UINT16, BASE_DEC, NULL, 0x0, |
5330 | 16 | NULL, HFILL } |
5331 | 16 | }, |
5332 | 16 | { &hf_batadv_tvlv_mcast_flags, |
5333 | 16 | { "Flags", "batadv.tvlv.mcast.flags", |
5334 | 16 | FT_UINT8, BASE_HEX, NULL, 0x0, |
5335 | 16 | NULL, HFILL } |
5336 | 16 | }, |
5337 | 16 | { &hf_batadv_tvlv_mcast_flags_unsnoopables, |
5338 | 16 | { "Unsnoopables", "batadv.tvlv.mcast.flags.unsnoopables", |
5339 | 16 | FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x1, |
5340 | 16 | NULL, HFILL } |
5341 | 16 | }, |
5342 | 16 | { &hf_batadv_tvlv_mcast_flags_ipv4, |
5343 | 16 | { "IPv4", "batadv.tvlv.mcast.flags.ipv4", |
5344 | 16 | FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x2, |
5345 | 16 | NULL, HFILL } |
5346 | 16 | }, |
5347 | 16 | { &hf_batadv_tvlv_mcast_flags_ipv6, |
5348 | 16 | { "IPv6", "batadv.tvlv.mcast.flags.ipv6", |
5349 | 16 | FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x4, |
5350 | 16 | NULL, HFILL } |
5351 | 16 | }, |
5352 | 16 | { &hf_batadv_tvlv_mcast_flags_no_rtr4, |
5353 | 16 | { "No IPv4 multicast router", "batadv.tvlv.mcast.flags.no_rtr4", |
5354 | 16 | FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x8, |
5355 | 16 | NULL, HFILL } |
5356 | 16 | }, |
5357 | 16 | { &hf_batadv_tvlv_mcast_flags_no_rtr6, |
5358 | 16 | { "No IPv6 multicast router", "batadv.tvlv.mcast.flags.no_rtr6", |
5359 | 16 | FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x10, |
5360 | 16 | NULL, HFILL } |
5361 | 16 | }, |
5362 | 16 | { &hf_batadv_tvlv_gw_download, |
5363 | 16 | { "Download Speed", "batadv.tvlv.gw.dl_speed", |
5364 | 16 | FT_UINT32, BASE_DEC, NULL, 0x0, |
5365 | 16 | NULL, HFILL } |
5366 | 16 | }, |
5367 | 16 | { &hf_batadv_tvlv_gw_upload, |
5368 | 16 | { "Upload Speed", "batadv.tvlv.gw.ul_speed", |
5369 | 16 | FT_UINT32, BASE_DEC, NULL, 0x0, |
5370 | 16 | NULL, HFILL } |
5371 | 16 | }, |
5372 | 16 | { &hf_batadv_tvlv_roam_addr, |
5373 | 16 | { "Address", "batadv.batman.addr", |
5374 | 16 | FT_ETHER, BASE_NONE, NULL, 0x0, |
5375 | 16 | NULL, HFILL } |
5376 | 16 | }, |
5377 | 16 | { &hf_batadv_tvlv_roam_vid, |
5378 | 16 | { "VID", "batadv.tvlv.roam.vid", |
5379 | 16 | FT_UINT16, BASE_HEX, NULL, 0x0, |
5380 | 16 | NULL, HFILL } |
5381 | 16 | }, |
5382 | 16 | { &hf_batadv_tvlv_vid_vlan, |
5383 | 16 | { "VLAN ID", "batadv.tvlv.vid_vlan", |
5384 | 16 | FT_UINT16, BASE_DEC, NULL, 0x7fff, |
5385 | 16 | NULL, HFILL } |
5386 | 16 | }, |
5387 | 16 | { &hf_batadv_tvlv_vid_tagged, |
5388 | 16 | { "VLAN Tagged", "batadv.tvlv.vid_tagged", |
5389 | 16 | FT_UINT16, BASE_DEC, NULL, 0x8000, |
5390 | 16 | NULL, HFILL } |
5391 | 16 | }, |
5392 | 16 | { &hf_batadv_tvlv_tt_flags, |
5393 | 16 | { "Flags", "batadv.tvlv.tt.flags", |
5394 | 16 | FT_UINT8, BASE_HEX, NULL, 0x0, |
5395 | 16 | NULL, HFILL } |
5396 | 16 | }, |
5397 | 16 | { &hf_batadv_tvlv_tt_flags_type, |
5398 | 16 | { "Query Type", "batadv.tvlv.tt.flags.type", |
5399 | 16 | FT_UINT8, BASE_HEX, VALS(tvlv_tt_typenames), |
5400 | 16 | BATADV_TVLVL_TT_TYPE_MASK, |
5401 | 16 | NULL, HFILL } |
5402 | 16 | }, |
5403 | 16 | { &hf_batadv_tvlv_tt_flags_full_table, |
5404 | 16 | { "Full Table", "batadv.tvlv.tt.flags.full_table", |
5405 | 16 | FT_BOOLEAN, 8, TFS(&tfs_set_notset), |
5406 | 16 | BATADV_TVLVL_TT_FULL_TABLE, |
5407 | 16 | NULL, HFILL } |
5408 | 16 | }, |
5409 | 16 | { &hf_batadv_tvlv_tt_ttvn, |
5410 | 16 | { "TT Version", "batadv.tvlv.tt.ttvn", |
5411 | 16 | FT_UINT8, BASE_DEC, NULL, 0x0, |
5412 | 16 | NULL, HFILL } |
5413 | 16 | }, |
5414 | 16 | { &hf_batadv_tvlv_tt_num_vlan, |
5415 | 16 | { "VLAN Entries", "batadv.tvlv.tt.num_vlan", |
5416 | 16 | FT_UINT16, BASE_DEC, NULL, 0x0, |
5417 | 16 | NULL, HFILL } |
5418 | 16 | }, |
5419 | 16 | { &hf_batadv_tvlv_tt_vlan_crc, |
5420 | 16 | { "CRC", "batadv.tvlv.tt.vlan.crc", |
5421 | 16 | FT_UINT32, BASE_HEX, NULL, 0x0, |
5422 | 16 | NULL, HFILL } |
5423 | 16 | }, |
5424 | 16 | { &hf_batadv_tvlv_tt_vlan_crc_status, |
5425 | 16 | { "Checksum Status", "batadv.tvlv.tt.vlan.crc.status", |
5426 | 16 | FT_UINT8, BASE_NONE, VALS(proto_checksum_vals), 0x0, |
5427 | 16 | NULL, HFILL } |
5428 | 16 | }, |
5429 | 16 | { &hf_batadv_tvlv_tt_vlan_vid, |
5430 | 16 | { "VID", "batadv.tvlv.tt.vlan.vid", |
5431 | 16 | FT_UINT16, BASE_HEX, NULL, 0x0, |
5432 | 16 | NULL, HFILL } |
5433 | 16 | }, |
5434 | 16 | { &hf_batadv_tvlv_tt_change_flags, |
5435 | 16 | { "Flags", "batadv.tvlv.tt.change.flags", |
5436 | 16 | FT_UINT8, BASE_HEX, NULL, 0x0, |
5437 | 16 | NULL, HFILL } |
5438 | 16 | }, |
5439 | 16 | { &hf_batadv_tvlv_tt_change_flags_del, |
5440 | 16 | { "Delete", "batadv.tvlv.tt.change.flags.del", |
5441 | 16 | FT_BOOLEAN, 8, TFS(&tfs_set_notset), |
5442 | 16 | BATADV_TVLVL_TT_CHANGE_DEL, |
5443 | 16 | NULL, HFILL } |
5444 | 16 | }, |
5445 | 16 | { &hf_batadv_tvlv_tt_change_flags_roam, |
5446 | 16 | { "Client Roam", "batadv.tvlv.tt.change.flags.roam", |
5447 | 16 | FT_BOOLEAN, 8, TFS(&tfs_set_notset), |
5448 | 16 | BATADV_TVLVL_TT_CHANGE_ROAM, |
5449 | 16 | NULL, HFILL } |
5450 | 16 | }, |
5451 | 16 | { &hf_batadv_tvlv_tt_change_flags_wifi, |
5452 | 16 | { "Wifi Client", "batadv.tvlv.tt.change.flags.wifi", |
5453 | 16 | FT_BOOLEAN, 8, TFS(&tfs_set_notset), |
5454 | 16 | BATADV_TVLVL_TT_CHANGE_WIFI, |
5455 | 16 | NULL, HFILL } |
5456 | 16 | }, |
5457 | 16 | { &hf_batadv_tvlv_tt_change_flags_isolate, |
5458 | 16 | { "Isolate", "batadv.tvlv.tt.change.flags.isolate", |
5459 | 16 | FT_BOOLEAN, 8, TFS(&tfs_set_notset), |
5460 | 16 | BATADV_TVLVL_TT_CHANGE_ISOLATE, |
5461 | 16 | NULL, HFILL } |
5462 | 16 | }, |
5463 | 16 | { &hf_batadv_tvlv_tt_change_addr, |
5464 | 16 | { "Address", "batadv.tvlv.tt.change.addr", |
5465 | 16 | FT_ETHER, BASE_NONE, NULL, 0x0, |
5466 | 16 | NULL, HFILL } |
5467 | 16 | }, |
5468 | 16 | { &hf_batadv_tvlv_tt_change_vid, |
5469 | 16 | { "VID", "batadv.tvlv.tt.change.vid", |
5470 | 16 | FT_UINT16, BASE_HEX, NULL, 0x0, |
5471 | 16 | NULL, HFILL } |
5472 | 16 | }, |
5473 | 16 | }; |
5474 | | |
5475 | | /* Setup protocol subtree array */ |
5476 | 16 | static int *ett[] = { |
5477 | 16 | &ett_batadv_batman, |
5478 | 16 | &ett_batadv_batman_flags, |
5479 | 16 | &ett_batadv_batman_tt, |
5480 | 16 | &ett_batadv_batman_gwflags, |
5481 | 16 | &ett_batadv_iv_ogm, |
5482 | 16 | &ett_batadv_iv_ogm_flags, |
5483 | 16 | &ett_batadv_elp, |
5484 | 16 | &ett_batadv_ogm2, |
5485 | | //&ett_batadv_ogm2_flags, |
5486 | 16 | &ett_batadv_bcast, |
5487 | 16 | &ett_batadv_icmp, |
5488 | 16 | &ett_batadv_icmp_rr, |
5489 | 16 | &ett_batadv_unicast, |
5490 | 16 | &ett_batadv_unicast_4addr, |
5491 | 16 | &ett_batadv_unicast_frag, |
5492 | 16 | &ett_batadv_unicast_tvlv, |
5493 | 16 | &ett_batadv_vis, |
5494 | 16 | &ett_batadv_vis_entry, |
5495 | 16 | &ett_batadv_tt_query, |
5496 | 16 | &ett_batadv_tt_query_flags, |
5497 | 16 | &ett_batadv_tt_entry, |
5498 | 16 | &ett_batadv_tt_entry_flags, |
5499 | 16 | &ett_batadv_roam_adv, |
5500 | 16 | &ett_batadv_coded, |
5501 | 16 | &ett_batadv_tvlv, |
5502 | 16 | &ett_batadv_tvlv_vid, |
5503 | 16 | &ett_batadv_tvlv_mcast_flags, |
5504 | 16 | &ett_batadv_tvlv_tt_flags, |
5505 | 16 | &ett_batadv_tvlv_tt_vlan, |
5506 | 16 | &ett_batadv_tvlv_tt_change, |
5507 | 16 | &ett_msg_fragment, |
5508 | 16 | &ett_msg_fragments |
5509 | 16 | }; |
5510 | | |
5511 | 16 | static ei_register_info ei[] = { |
5512 | 16 | { &ei_batadv_too_deep, { "batadv.too_deep", PI_UNDECODED, PI_WARN, "Payload nested too deep, not dissected", EXPFILL }}, |
5513 | 16 | { &ei_batadv_tvlv_unknown_version, { "batadv.error.tvlv_version_unknown", PI_UNDECODED, PI_ERROR, "BATADV Error: unknown TVLV version", EXPFILL }}, |
5514 | 16 | { &ei_batadv_tvlv_tt_vlan_crc, { "batadv.tvlv_tt_crc_bad", PI_UNDECODED, PI_ERROR, "BATADV Error: bad TT VLAN crc", EXPFILL }}, |
5515 | 16 | { &ei_batadv_tvlv_tt_vlan_empty, { "batadv.tvlv_tt_vlan_empty", PI_SEQUENCE, PI_WARN, "BATADV Warn: empty VLAN", EXPFILL }}, |
5516 | 16 | }; |
5517 | | |
5518 | 16 | proto_batadv_plugin = proto_register_protocol("B.A.T.M.A.N. Advanced Protocol", "BATADV", "batadv"); |
5519 | | |
5520 | 16 | batman_handle = register_dissector("batadv",dissect_batadv_plugin,proto_batadv_plugin); |
5521 | | |
5522 | 16 | batadv_module = prefs_register_protocol(proto_batadv_plugin, |
5523 | 16 | proto_reg_handoff_batadv); |
5524 | | |
5525 | 16 | prefs_register_uint_preference(batadv_module, "batmanadv.ethertype", |
5526 | 16 | "Ethertype", |
5527 | 16 | "Ethertype used to indicate B.A.T.M.A.N. packet.", |
5528 | 16 | 16, &batadv_ethertype); |
5529 | | |
5530 | 16 | proto_register_subtree_array(ett, array_length(ett)); |
5531 | 16 | proto_register_field_array(proto_batadv_plugin, hf, array_length(hf)); |
5532 | | |
5533 | 16 | expert_batadv = expert_register_protocol(proto_batadv_plugin); |
5534 | 16 | expert_register_field_array(expert_batadv, ei, array_length(ei)); |
5535 | | |
5536 | 16 | reassembly_table_register(&msg_reassembly_table, |
5537 | 16 | &addresses_reassembly_table_functions); |
5538 | | |
5539 | 16 | batadv_tap = register_tap("batman"); |
5540 | 16 | batadv_follow_tap = register_tap("batman_follow"); |
5541 | 16 | } |
5542 | | |
5543 | | void proto_reg_handoff_batadv(void) |
5544 | 16 | { |
5545 | 16 | static bool inited = false; |
5546 | 16 | static unsigned int old_batadv_ethertype; |
5547 | | |
5548 | 16 | if (!inited) { |
5549 | 16 | eth_handle = find_dissector_add_dependency("eth_withoutfcs", proto_batadv_plugin); |
5550 | | |
5551 | 16 | inited = true; |
5552 | 16 | } else { |
5553 | 0 | dissector_delete_uint("ethertype", old_batadv_ethertype, batman_handle); |
5554 | 0 | } |
5555 | | |
5556 | 16 | old_batadv_ethertype = batadv_ethertype; |
5557 | 16 | dissector_add_uint("ethertype", batadv_ethertype, batman_handle); |
5558 | 16 | } |
5559 | | |
5560 | | /* |
5561 | | * Editor modelines - https://www.wireshark.org/tools/modelines.html |
5562 | | * |
5563 | | * Local variables: |
5564 | | * c-basic-offset: 8 |
5565 | | * tab-width: 8 |
5566 | | * indent-tabs-mode: t |
5567 | | * End: |
5568 | | * |
5569 | | * vi: set shiftwidth=8 tabstop=8 noexpandtab: |
5570 | | * :indentSize=8:tabSize=8:noTabs=false: |
5571 | | */ |