]> The Tcpdump Group git mirrors - tcpdump/blob - print-rx.c
projects / tcpdump / blob
summary | shortlog | log | commit | commitdiff | tree
history | raw | HEAD
Fix a bunch of de-constifications.
[tcpdump] / print-rx.c
1 /*
2 * Copyright: (c) 2000 United States Government as represented by the
3 * Secretary of the Navy. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in
13 * the documentation and/or other materials provided with the
14 * distribution.
15 * 3. The names of the authors may not be used to endorse or promote
16 * products derived from this software without specific prior
17 * written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
22 */
23 /*
24 * This code unmangles RX packets. RX is the mutant form of RPC that AFS
25 * uses to communicate between clients and servers.
26 *
27 * In this code, I mainly concern myself with decoding the AFS calls, not
28 * with the guts of RX, per se.
29 *
30 * Bah. If I never look at rx_packet.h again, it will be too soon.
31 *
32 * Ken Hornstein <kenh@cmf.nrl.navy.mil>
33 */
34
35 #ifdef HAVE_CONFIG_H
36 #include "config.h"
37 #endif
38
39 #include <stdio.h>
40 #include <stdlib.h>
41 #include <string.h>
42 #include <tcpdump-stdinc.h>
43
44 #include "interface.h"
45 #include "addrtoname.h"
46 #include "extract.h"
47
48 #include "ip.h"
49
50 #define FS_RX_PORT 7000
51 #define CB_RX_PORT 7001
52 #define PROT_RX_PORT 7002
53 #define VLDB_RX_PORT 7003
54 #define KAUTH_RX_PORT 7004
55 #define VOL_RX_PORT 7005
56 #define ERROR_RX_PORT 7006 /* Doesn't seem to be used */
57 #define BOS_RX_PORT 7007
58
59 #define AFSNAMEMAX 256
60 #define AFSOPAQUEMAX 1024
61 #define PRNAMEMAX 64
62 #define VLNAMEMAX 65
63 #define KANAMEMAX 64
64 #define BOSNAMEMAX 256
65
66 #define PRSFS_READ 1 /* Read files */
67 #define PRSFS_WRITE 2 /* Write files */
68 #define PRSFS_INSERT 4 /* Insert files into a directory */
69 #define PRSFS_LOOKUP 8 /* Lookup files into a directory */
70 #define PRSFS_DELETE 16 /* Delete files */
71 #define PRSFS_LOCK 32 /* Lock files */
72 #define PRSFS_ADMINISTER 64 /* Change ACL's */
73
74 struct rx_header {
75 uint32_t epoch;
76 uint32_t cid;
77 uint32_t callNumber;
78 uint32_t seq;
79 uint32_t serial;
80 uint8_t type;
81 #define RX_PACKET_TYPE_DATA 1
82 #define RX_PACKET_TYPE_ACK 2
83 #define RX_PACKET_TYPE_BUSY 3
84 #define RX_PACKET_TYPE_ABORT 4
85 #define RX_PACKET_TYPE_ACKALL 5
86 #define RX_PACKET_TYPE_CHALLENGE 6
87 #define RX_PACKET_TYPE_RESPONSE 7
88 #define RX_PACKET_TYPE_DEBUG 8
89 #define RX_PACKET_TYPE_PARAMS 9
90 #define RX_PACKET_TYPE_VERSION 13
91 uint8_t flags;
92 #define RX_CLIENT_INITIATED 1
93 #define RX_REQUEST_ACK 2
94 #define RX_LAST_PACKET 4
95 #define RX_MORE_PACKETS 8
96 #define RX_FREE_PACKET 16
97 #define RX_SLOW_START_OK 32
98 #define RX_JUMBO_PACKET 32
99 uint8_t userStatus;
100 uint8_t securityIndex;
101 uint16_t spare; /* How clever: even though the AFS */
102 uint16_t serviceId; /* header files indicate that the */
103 }; /* serviceId is first, it's really */
104 /* encoded _after_ the spare field */
105 /* I wasted a day figuring that out! */
106
107 #define NUM_RX_FLAGS 7
108
109 #define RX_MAXACKS 255
110
111 struct rx_ackPacket {
112 uint16_t bufferSpace; /* Number of packet buffers available */
113 uint16_t maxSkew; /* Max diff between ack'd packet and */
114 /* highest packet received */
115 uint32_t firstPacket; /* The first packet in ack list */
116 uint32_t previousPacket; /* Previous packet recv'd (obsolete) */
117 uint32_t serial; /* # of packet that prompted the ack */
118 uint8_t reason; /* Reason for acknowledgement */
119 uint8_t nAcks; /* Number of acknowledgements */
120 uint8_t acks[RX_MAXACKS]; /* Up to RX_MAXACKS acknowledgements */
121 };
122
123 /*
124 * Values for the acks array
125 */
126
127 #define RX_ACK_TYPE_NACK 0 /* Don't have this packet */
128 #define RX_ACK_TYPE_ACK 1 /* I have this packet */
129
130 static const struct tok rx_types[] = {
131 { RX_PACKET_TYPE_DATA, "data" },
132 { RX_PACKET_TYPE_ACK, "ack" },
133 { RX_PACKET_TYPE_BUSY, "busy" },
134 { RX_PACKET_TYPE_ABORT, "abort" },
135 { RX_PACKET_TYPE_ACKALL, "ackall" },
136 { RX_PACKET_TYPE_CHALLENGE, "challenge" },
137 { RX_PACKET_TYPE_RESPONSE, "response" },
138 { RX_PACKET_TYPE_DEBUG, "debug" },
139 { RX_PACKET_TYPE_PARAMS, "params" },
140 { RX_PACKET_TYPE_VERSION, "version" },
141 { 0, NULL },
142 };
143
144 static const struct double_tok {
145 int flag; /* Rx flag */
146 int packetType; /* Packet type */
147 const char *s; /* Flag string */
148 } rx_flags[] = {
149 { RX_CLIENT_INITIATED, 0, "client-init" },
150 { RX_REQUEST_ACK, 0, "req-ack" },
151 { RX_LAST_PACKET, 0, "last-pckt" },
152 { RX_MORE_PACKETS, 0, "more-pckts" },
153 { RX_FREE_PACKET, 0, "free-pckt" },
154 { RX_SLOW_START_OK, RX_PACKET_TYPE_ACK, "slow-start" },
155 { RX_JUMBO_PACKET, RX_PACKET_TYPE_DATA, "jumbogram" }
156 };
157
158 static const struct tok fs_req[] = {
159 { 130, "fetch-data" },
160 { 131, "fetch-acl" },
161 { 132, "fetch-status" },
162 { 133, "store-data" },
163 { 134, "store-acl" },
164 { 135, "store-status" },
165 { 136, "remove-file" },
166 { 137, "create-file" },
167 { 138, "rename" },
168 { 139, "symlink" },
169 { 140, "link" },
170 { 141, "makedir" },
171 { 142, "rmdir" },
172 { 143, "oldsetlock" },
173 { 144, "oldextlock" },
174 { 145, "oldrellock" },
175 { 146, "get-stats" },
176 { 147, "give-cbs" },
177 { 148, "get-vlinfo" },
178 { 149, "get-vlstats" },
179 { 150, "set-vlstats" },
180 { 151, "get-rootvl" },
181 { 152, "check-token" },
182 { 153, "get-time" },
183 { 154, "nget-vlinfo" },
184 { 155, "bulk-stat" },
185 { 156, "setlock" },
186 { 157, "extlock" },
187 { 158, "rellock" },
188 { 159, "xstat-ver" },
189 { 160, "get-xstat" },
190 { 161, "dfs-lookup" },
191 { 162, "dfs-flushcps" },
192 { 163, "dfs-symlink" },
193 { 220, "residency" },
194 { 65536, "inline-bulk-status" },
195 { 65537, "fetch-data-64" },
196 { 65538, "store-data-64" },
197 { 65539, "give-up-all-cbs" },
198 { 65540, "get-caps" },
199 { 65541, "cb-rx-conn-addr" },
200 { 0, NULL },
201 };
202
203 static const struct tok cb_req[] = {
204 { 204, "callback" },
205 { 205, "initcb" },
206 { 206, "probe" },
207 { 207, "getlock" },
208 { 208, "getce" },
209 { 209, "xstatver" },
210 { 210, "getxstat" },
211 { 211, "initcb2" },
212 { 212, "whoareyou" },
213 { 213, "initcb3" },
214 { 214, "probeuuid" },
215 { 215, "getsrvprefs" },
216 { 216, "getcellservdb" },
217 { 217, "getlocalcell" },
218 { 218, "getcacheconf" },
219 { 65536, "getce64" },
220 { 65537, "getcellbynum" },
221 { 65538, "tellmeaboutyourself" },
222 { 0, NULL },
223 };
224
225 static const struct tok pt_req[] = {
226 { 500, "new-user" },
227 { 501, "where-is-it" },
228 { 502, "dump-entry" },
229 { 503, "add-to-group" },
230 { 504, "name-to-id" },
231 { 505, "id-to-name" },
232 { 506, "delete" },
233 { 507, "remove-from-group" },
234 { 508, "get-cps" },
235 { 509, "new-entry" },
236 { 510, "list-max" },
237 { 511, "set-max" },
238 { 512, "list-entry" },
239 { 513, "change-entry" },
240 { 514, "list-elements" },
241 { 515, "same-mbr-of" },
242 { 516, "set-fld-sentry" },
243 { 517, "list-owned" },
244 { 518, "get-cps2" },
245 { 519, "get-host-cps" },
246 { 520, "update-entry" },
247 { 521, "list-entries" },
248 { 530, "list-super-groups" },
249 { 0, NULL },
250 };
251
252 static const struct tok vldb_req[] = {
253 { 501, "create-entry" },
254 { 502, "delete-entry" },
255 { 503, "get-entry-by-id" },
256 { 504, "get-entry-by-name" },
257 { 505, "get-new-volume-id" },
258 { 506, "replace-entry" },
259 { 507, "update-entry" },
260 { 508, "setlock" },
261 { 509, "releaselock" },
262 { 510, "list-entry" },
263 { 511, "list-attrib" },
264 { 512, "linked-list" },
265 { 513, "get-stats" },
266 { 514, "probe" },
267 { 515, "get-addrs" },
268 { 516, "change-addr" },
269 { 517, "create-entry-n" },
270 { 518, "get-entry-by-id-n" },
271 { 519, "get-entry-by-name-n" },
272 { 520, "replace-entry-n" },
273 { 521, "list-entry-n" },
274 { 522, "list-attrib-n" },
275 { 523, "linked-list-n" },
276 { 524, "update-entry-by-name" },
277 { 525, "create-entry-u" },
278 { 526, "get-entry-by-id-u" },
279 { 527, "get-entry-by-name-u" },
280 { 528, "replace-entry-u" },
281 { 529, "list-entry-u" },
282 { 530, "list-attrib-u" },
283 { 531, "linked-list-u" },
284 { 532, "regaddr" },
285 { 533, "get-addrs-u" },
286 { 534, "list-attrib-n2" },
287 { 0, NULL },
288 };
289
290 static const struct tok kauth_req[] = {
291 { 1, "auth-old" },
292 { 21, "authenticate" },
293 { 22, "authenticate-v2" },
294 { 2, "change-pw" },
295 { 3, "get-ticket-old" },
296 { 23, "get-ticket" },
297 { 4, "set-pw" },
298 { 5, "set-fields" },
299 { 6, "create-user" },
300 { 7, "delete-user" },
301 { 8, "get-entry" },
302 { 9, "list-entry" },
303 { 10, "get-stats" },
304 { 11, "debug" },
305 { 12, "get-pw" },
306 { 13, "get-random-key" },
307 { 14, "unlock" },
308 { 15, "lock-status" },
309 { 0, NULL },
310 };
311
312 static const struct tok vol_req[] = {
313 { 100, "create-volume" },
314 { 101, "delete-volume" },
315 { 102, "restore" },
316 { 103, "forward" },
317 { 104, "end-trans" },
318 { 105, "clone" },
319 { 106, "set-flags" },
320 { 107, "get-flags" },
321 { 108, "trans-create" },
322 { 109, "dump" },
323 { 110, "get-nth-volume" },
324 { 111, "set-forwarding" },
325 { 112, "get-name" },
326 { 113, "get-status" },
327 { 114, "sig-restore" },
328 { 115, "list-partitions" },
329 { 116, "list-volumes" },
330 { 117, "set-id-types" },
331 { 118, "monitor" },
332 { 119, "partition-info" },
333 { 120, "reclone" },
334 { 121, "list-one-volume" },
335 { 122, "nuke" },
336 { 123, "set-date" },
337 { 124, "x-list-volumes" },
338 { 125, "x-list-one-volume" },
339 { 126, "set-info" },
340 { 127, "x-list-partitions" },
341 { 128, "forward-multiple" },
342 { 65536, "convert-ro" },
343 { 65537, "get-size" },
344 { 65538, "dump-v2" },
345 { 0, NULL },
346 };
347
348 static const struct tok bos_req[] = {
349 { 80, "create-bnode" },
350 { 81, "delete-bnode" },
351 { 82, "set-status" },
352 { 83, "get-status" },
353 { 84, "enumerate-instance" },
354 { 85, "get-instance-info" },
355 { 86, "get-instance-parm" },
356 { 87, "add-superuser" },
357 { 88, "delete-superuser" },
358 { 89, "list-superusers" },
359 { 90, "list-keys" },
360 { 91, "add-key" },
361 { 92, "delete-key" },
362 { 93, "set-cell-name" },
363 { 94, "get-cell-name" },
364 { 95, "get-cell-host" },
365 { 96, "add-cell-host" },
366 { 97, "delete-cell-host" },
367 { 98, "set-t-status" },
368 { 99, "shutdown-all" },
369 { 100, "restart-all" },
370 { 101, "startup-all" },
371 { 102, "set-noauth-flag" },
372 { 103, "re-bozo" },
373 { 104, "restart" },
374 { 105, "start-bozo-install" },
375 { 106, "uninstall" },
376 { 107, "get-dates" },
377 { 108, "exec" },
378 { 109, "prune" },
379 { 110, "set-restart-time" },
380 { 111, "get-restart-time" },
381 { 112, "start-bozo-log" },
382 { 113, "wait-all" },
383 { 114, "get-instance-strings" },
384 { 115, "get-restricted" },
385 { 116, "set-restricted" },
386 { 0, NULL },
387 };
388
389 static const struct tok ubik_req[] = {
390 { 10000, "vote-beacon" },
391 { 10001, "vote-debug-old" },
392 { 10002, "vote-sdebug-old" },
393 { 10003, "vote-getsyncsite" },
394 { 10004, "vote-debug" },
395 { 10005, "vote-sdebug" },
396 { 10006, "vote-xdebug" },
397 { 10007, "vote-xsdebug" },
398 { 20000, "disk-begin" },
399 { 20001, "disk-commit" },
400 { 20002, "disk-lock" },
401 { 20003, "disk-write" },
402 { 20004, "disk-getversion" },
403 { 20005, "disk-getfile" },
404 { 20006, "disk-sendfile" },
405 { 20007, "disk-abort" },
406 { 20008, "disk-releaselocks" },
407 { 20009, "disk-truncate" },
408 { 20010, "disk-probe" },
409 { 20011, "disk-writev" },
410 { 20012, "disk-interfaceaddr" },
411 { 20013, "disk-setversion" },
412 { 0, NULL },
413 };
414
415 #define VOTE_LOW 10000
416 #define VOTE_HIGH 10007
417 #define DISK_LOW 20000
418 #define DISK_HIGH 20013
419
420 static const struct tok cb_types[] = {
421 { 1, "exclusive" },
422 { 2, "shared" },
423 { 3, "dropped" },
424 { 0, NULL },
425 };
426
427 static const struct tok ubik_lock_types[] = {
428 { 1, "read" },
429 { 2, "write" },
430 { 3, "wait" },
431 { 0, NULL },
432 };
433
434 static const char *voltype[] = { "read-write", "read-only", "backup" };
435
436 static const struct tok afs_fs_errors[] = {
437 { 101, "salvage volume" },
438 { 102, "no such vnode" },
439 { 103, "no such volume" },
440 { 104, "volume exist" },
441 { 105, "no service" },
442 { 106, "volume offline" },
443 { 107, "voline online" },
444 { 108, "diskfull" },
445 { 109, "diskquota exceeded" },
446 { 110, "volume busy" },
447 { 111, "volume moved" },
448 { 112, "AFS IO error" },
449 { 0xffffff9c, "restarting fileserver" }, /* -100, sic! */
450 { 0, NULL }
451 };
452
453 /*
454 * Reasons for acknowledging a packet
455 */
456
457 static const struct tok rx_ack_reasons[] = {
458 { 1, "ack requested" },
459 { 2, "duplicate packet" },
460 { 3, "out of sequence" },
461 { 4, "exceeds window" },
462 { 5, "no buffer space" },
463 { 6, "ping" },
464 { 7, "ping response" },
465 { 8, "delay" },
466 { 9, "idle" },
467 { 0, NULL },
468 };
469
470 /*
471 * Cache entries we keep around so we can figure out the RX opcode
472 * numbers for replies. This allows us to make sense of RX reply packets.
473 */
474
475 struct rx_cache_entry {
476 uint32_t callnum; /* Call number (net order) */
477 struct in_addr client; /* client IP address (net order) */
478 struct in_addr server; /* server IP address (net order) */
479 int dport; /* server port (host order) */
480 u_short serviceId; /* Service identifier (net order) */
481 uint32_t opcode; /* RX opcode (host order) */
482 };
483
484 #define RX_CACHE_SIZE 64
485
486 static struct rx_cache_entry rx_cache[RX_CACHE_SIZE];
487
488 static int rx_cache_next = 0;
489 static int rx_cache_hint = 0;
490 static void rx_cache_insert(netdissect_options *, const u_char *, const struct ip *, int);
491 static int rx_cache_find(const struct rx_header *, const struct ip *,
492 int, int32_t *);
493
494 static void fs_print(netdissect_options *, const u_char *, int);
495 static void fs_reply_print(netdissect_options *, const u_char *, int, int32_t);
496 static void acl_print(netdissect_options *, u_char *, int, u_char *);
497 static void cb_print(netdissect_options *, const u_char *, int);
498 static void cb_reply_print(netdissect_options *, const u_char *, int, int32_t);
499 static void prot_print(netdissect_options *, const u_char *, int);
500 static void prot_reply_print(netdissect_options *, const u_char *, int, int32_t);
501 static void vldb_print(netdissect_options *, const u_char *, int);
502 static void vldb_reply_print(netdissect_options *, const u_char *, int, int32_t);
503 static void kauth_print(netdissect_options *, const u_char *, int);
504 static void kauth_reply_print(netdissect_options *, const u_char *, int, int32_t);
505 static void vol_print(netdissect_options *, const u_char *, int);
506 static void vol_reply_print(netdissect_options *, const u_char *, int, int32_t);
507 static void bos_print(netdissect_options *, const u_char *, int);
508 static void bos_reply_print(netdissect_options *, const u_char *, int, int32_t);
509 static void ubik_print(netdissect_options *, const u_char *);
510 static void ubik_reply_print(netdissect_options *, const u_char *, int, int32_t);
511
512 static void rx_ack_print(netdissect_options *, const u_char *, int);
513
514 static int is_ubik(uint32_t);
515
516 /*
517 * Handle the rx-level packet. See if we know what port it's going to so
518 * we can peek at the afs call inside
519 */
520
521 void
522 rx_print(netdissect_options *ndo,
523 register const u_char *bp, int length, int sport, int dport,
524 const u_char *bp2)
525 {
526 register const struct rx_header *rxh;
527 int i;
528 int32_t opcode;
529
530 if (ndo->ndo_snapend - bp < (int)sizeof (struct rx_header)) {
531 ND_PRINT((ndo, " [|rx] (%d)", length));
532 return;
533 }
534
535 rxh = (const struct rx_header *) bp;
536
537 ND_PRINT((ndo, " rx %s", tok2str(rx_types, "type %d", rxh->type)));
538
539 if (ndo->ndo_vflag) {
540 int firstflag = 0;
541
542 if (ndo->ndo_vflag > 1)
543 ND_PRINT((ndo, " cid %08x call# %d",
544 (int) EXTRACT_32BITS(&rxh->cid),
545 (int) EXTRACT_32BITS(&rxh->callNumber)));
546
547 ND_PRINT((ndo, " seq %d ser %d",
548 (int) EXTRACT_32BITS(&rxh->seq),
549 (int) EXTRACT_32BITS(&rxh->serial)));
550
551 if (ndo->ndo_vflag > 2)
552 ND_PRINT((ndo, " secindex %d serviceid %hu",
553 (int) rxh->securityIndex,
554 EXTRACT_16BITS(&rxh->serviceId)));
555
556 if (ndo->ndo_vflag > 1)
557 for (i = 0; i < NUM_RX_FLAGS; i++) {
558 if (rxh->flags & rx_flags[i].flag &&
559 (!rx_flags[i].packetType ||
560 rxh->type == rx_flags[i].packetType)) {
561 if (!firstflag) {
562 firstflag = 1;
563 ND_PRINT((ndo, " "));
564 } else {
565 ND_PRINT((ndo, ","));
566 }
567 ND_PRINT((ndo, "<%s>", rx_flags[i].s));
568 }
569 }
570 }
571
572 /*
573 * Try to handle AFS calls that we know about. Check the destination
574 * port and make sure it's a data packet. Also, make sure the
575 * seq number is 1 (because otherwise it's a continuation packet,
576 * and we can't interpret that). Also, seems that reply packets
577 * do not have the client-init flag set, so we check for that
578 * as well.
579 */
580
581 if (rxh->type == RX_PACKET_TYPE_DATA &&
582 EXTRACT_32BITS(&rxh->seq) == 1 &&
583 rxh->flags & RX_CLIENT_INITIATED) {
584
585 /*
586 * Insert this call into the call cache table, so we
587 * have a chance to print out replies
588 */
589
590 rx_cache_insert(ndo, bp, (const struct ip *) bp2, dport);
591
592 switch (dport) {
593 case FS_RX_PORT: /* AFS file service */
594 fs_print(ndo, bp, length);
595 break;
596 case CB_RX_PORT: /* AFS callback service */
597 cb_print(ndo, bp, length);
598 break;
599 case PROT_RX_PORT: /* AFS protection service */
600 prot_print(ndo, bp, length);
601 break;
602 case VLDB_RX_PORT: /* AFS VLDB service */
603 vldb_print(ndo, bp, length);
604 break;
605 case KAUTH_RX_PORT: /* AFS Kerberos auth service */
606 kauth_print(ndo, bp, length);
607 break;
608 case VOL_RX_PORT: /* AFS Volume service */
609 vol_print(ndo, bp, length);
610 break;
611 case BOS_RX_PORT: /* AFS BOS service */
612 bos_print(ndo, bp, length);
613 break;
614 default:
615 ;
616 }
617
618 /*
619 * If it's a reply (client-init is _not_ set, but seq is one)
620 * then look it up in the cache. If we find it, call the reply
621 * printing functions Note that we handle abort packets here,
622 * because printing out the return code can be useful at times.
623 */
624
625 } else if (((rxh->type == RX_PACKET_TYPE_DATA &&
626 EXTRACT_32BITS(&rxh->seq) == 1) ||
627 rxh->type == RX_PACKET_TYPE_ABORT) &&
628 (rxh->flags & RX_CLIENT_INITIATED) == 0 &&
629 rx_cache_find(rxh, (const struct ip *) bp2,
630 sport, &opcode)) {
631
632 switch (sport) {
633 case FS_RX_PORT: /* AFS file service */
634 fs_reply_print(ndo, bp, length, opcode);
635 break;
636 case CB_RX_PORT: /* AFS callback service */
637 cb_reply_print(ndo, bp, length, opcode);
638 break;
639 case PROT_RX_PORT: /* AFS PT service */
640 prot_reply_print(ndo, bp, length, opcode);
641 break;
642 case VLDB_RX_PORT: /* AFS VLDB service */
643 vldb_reply_print(ndo, bp, length, opcode);
644 break;
645 case KAUTH_RX_PORT: /* AFS Kerberos auth service */
646 kauth_reply_print(ndo, bp, length, opcode);
647 break;
648 case VOL_RX_PORT: /* AFS Volume service */
649 vol_reply_print(ndo, bp, length, opcode);
650 break;
651 case BOS_RX_PORT: /* AFS BOS service */
652 bos_reply_print(ndo, bp, length, opcode);
653 break;
654 default:
655 ;
656 }
657
658 /*
659 * If it's an RX ack packet, then use the appropriate ack decoding
660 * function (there isn't any service-specific information in the
661 * ack packet, so we can use one for all AFS services)
662 */
663
664 } else if (rxh->type == RX_PACKET_TYPE_ACK)
665 rx_ack_print(ndo, bp, length);
666
667
668 ND_PRINT((ndo, " (%d)", length));
669 }
670
671 /*
672 * Insert an entry into the cache. Taken from print-nfs.c
673 */
674
675 static void
676 rx_cache_insert(netdissect_options *ndo,
677 const u_char *bp, const struct ip *ip, int dport)
678 {
679 struct rx_cache_entry *rxent;
680 const struct rx_header *rxh = (const struct rx_header *) bp;
681
682 if (ndo->ndo_snapend - bp + 1 <= (int)(sizeof(struct rx_header) + sizeof(int32_t)))
683 return;
684
685 rxent = &rx_cache[rx_cache_next];
686
687 if (++rx_cache_next >= RX_CACHE_SIZE)
688 rx_cache_next = 0;
689
690 rxent->callnum = rxh->callNumber;
691 rxent->client = ip->ip_src;
692 rxent->server = ip->ip_dst;
693 rxent->dport = dport;
694 rxent->serviceId = rxh->serviceId;
695 rxent->opcode = EXTRACT_32BITS(bp + sizeof(struct rx_header));
696 }
697
698 /*
699 * Lookup an entry in the cache. Also taken from print-nfs.c
700 *
701 * Note that because this is a reply, we're looking at the _source_
702 * port.
703 */
704
705 static int
706 rx_cache_find(const struct rx_header *rxh, const struct ip *ip, int sport,
707 int32_t *opcode)
708 {
709 int i;
710 struct rx_cache_entry *rxent;
711 uint32_t clip = ip->ip_dst.s_addr;
712 uint32_t sip = ip->ip_src.s_addr;
713
714 /* Start the search where we last left off */
715
716 i = rx_cache_hint;
717 do {
718 rxent = &rx_cache[i];
719 if (rxent->callnum == rxh->callNumber &&
720 rxent->client.s_addr == clip &&
721 rxent->server.s_addr == sip &&
722 rxent->serviceId == rxh->serviceId &&
723 rxent->dport == sport) {
724
725 /* We got a match! */
726
727 rx_cache_hint = i;
728 *opcode = rxent->opcode;
729 return(1);
730 }
731 if (++i >= RX_CACHE_SIZE)
732 i = 0;
733 } while (i != rx_cache_hint);
734
735 /* Our search failed */
736 return(0);
737 }
738
739 /*
740 * These extrememly grody macros handle the printing of various AFS stuff.
741 */
742
743 #define FIDOUT() { unsigned long n1, n2, n3; \
744 ND_TCHECK2(bp[0], sizeof(int32_t) * 3); \
745 n1 = EXTRACT_32BITS(bp); \
746 bp += sizeof(int32_t); \
747 n2 = EXTRACT_32BITS(bp); \
748 bp += sizeof(int32_t); \
749 n3 = EXTRACT_32BITS(bp); \
750 bp += sizeof(int32_t); \
751 ND_PRINT((ndo, " fid %d/%d/%d", (int) n1, (int) n2, (int) n3)); \
752 }
753
754 #define STROUT(MAX) { unsigned int i; \
755 ND_TCHECK2(bp[0], sizeof(int32_t)); \
756 i = EXTRACT_32BITS(bp); \
757 if (i > (MAX)) \
758 goto trunc; \
759 bp += sizeof(int32_t); \
760 ND_PRINT((ndo, " \"")); \
761 if (fn_printn(ndo, bp, i, ndo->ndo_snapend)) \
762 goto trunc; \
763 ND_PRINT((ndo, "\"")); \
764 bp += ((i + sizeof(int32_t) - 1) / sizeof(int32_t)) * sizeof(int32_t); \
765 }
766
767 #define INTOUT() { int i; \
768 ND_TCHECK2(bp[0], sizeof(int32_t)); \
769 i = (int) EXTRACT_32BITS(bp); \
770 bp += sizeof(int32_t); \
771 ND_PRINT((ndo, " %d", i)); \
772 }
773
774 #define UINTOUT() { unsigned long i; \
775 ND_TCHECK2(bp[0], sizeof(int32_t)); \
776 i = EXTRACT_32BITS(bp); \
777 bp += sizeof(int32_t); \
778 ND_PRINT((ndo, " %lu", i)); \
779 }
780
781 #define UINT64OUT() { uint64_t i; \
782 ND_TCHECK2(bp[0], sizeof(uint64_t)); \
783 i = EXTRACT_64BITS(bp); \
784 bp += sizeof(uint64_t); \
785 ND_PRINT((ndo, " %" PRIu64, i)); \
786 }
787
788 #define DATEOUT() { time_t t; struct tm *tm; char str[256]; \
789 ND_TCHECK2(bp[0], sizeof(int32_t)); \
790 t = (time_t) EXTRACT_32BITS(bp); \
791 bp += sizeof(int32_t); \
792 tm = localtime(&t); \
793 strftime(str, 256, "%Y/%m/%d %T", tm); \
794 ND_PRINT((ndo, " %s", str)); \
795 }
796
797 #define STOREATTROUT() { unsigned long mask, i; \
798 ND_TCHECK2(bp[0], (sizeof(int32_t)*6)); \
799 mask = EXTRACT_32BITS(bp); bp += sizeof(int32_t); \
800 if (mask) ND_PRINT((ndo, " StoreStatus")); \
801 if (mask & 1) { ND_PRINT((ndo, " date")); DATEOUT(); } \
802 else bp += sizeof(int32_t); \
803 i = EXTRACT_32BITS(bp); bp += sizeof(int32_t); \
804 if (mask & 2) ND_PRINT((ndo, " owner %lu", i)); \
805 i = EXTRACT_32BITS(bp); bp += sizeof(int32_t); \
806 if (mask & 4) ND_PRINT((ndo, " group %lu", i)); \
807 i = EXTRACT_32BITS(bp); bp += sizeof(int32_t); \
808 if (mask & 8) ND_PRINT((ndo, " mode %lo", i & 07777)); \
809 i = EXTRACT_32BITS(bp); bp += sizeof(int32_t); \
810 if (mask & 16) ND_PRINT((ndo, " segsize %lu", i)); \
811 /* undocumented in 3.3 docu */ \
812 if (mask & 1024) ND_PRINT((ndo, " fsync")); \
813 }
814
815 #define UBIK_VERSIONOUT() {int32_t epoch; int32_t counter; \
816 ND_TCHECK2(bp[0], sizeof(int32_t) * 2); \
817 epoch = EXTRACT_32BITS(bp); \
818 bp += sizeof(int32_t); \
819 counter = EXTRACT_32BITS(bp); \
820 bp += sizeof(int32_t); \
821 ND_PRINT((ndo, " %d.%d", epoch, counter)); \
822 }
823
824 #define AFSUUIDOUT() {uint32_t temp; int i; \
825 ND_TCHECK2(bp[0], 11*sizeof(uint32_t)); \
826 temp = EXTRACT_32BITS(bp); \
827 bp += sizeof(uint32_t); \
828 ND_PRINT((ndo, " %08x", temp)); \
829 temp = EXTRACT_32BITS(bp); \
830 bp += sizeof(uint32_t); \
831 ND_PRINT((ndo, "%04x", temp)); \
832 temp = EXTRACT_32BITS(bp); \
833 bp += sizeof(uint32_t); \
834 ND_PRINT((ndo, "%04x", temp)); \
835 for (i = 0; i < 8; i++) { \
836 temp = EXTRACT_32BITS(bp); \
837 bp += sizeof(uint32_t); \
838 ND_PRINT((ndo, "%02x", (unsigned char) temp)); \
839 } \
840 }
841
842 /*
843 * This is the sickest one of all
844 */
845
846 #define VECOUT(MAX) { u_char *sp; \
847 u_char s[AFSNAMEMAX]; \
848 int k; \
849 if ((MAX) + 1 > sizeof(s)) \
850 goto trunc; \
851 ND_TCHECK2(bp[0], (MAX) * sizeof(int32_t)); \
852 sp = s; \
853 for (k = 0; k < (MAX); k++) { \
854 *sp++ = (u_char) EXTRACT_32BITS(bp); \
855 bp += sizeof(int32_t); \
856 } \
857 s[(MAX)] = '\0'; \
858 ND_PRINT((ndo, " \"")); \
859 fn_print(ndo, s, NULL); \
860 ND_PRINT((ndo, "\"")); \
861 }
862
863 #define DESTSERVEROUT() { unsigned long n1, n2, n3; \
864 ND_TCHECK2(bp[0], sizeof(int32_t) * 3); \
865 n1 = EXTRACT_32BITS(bp); \
866 bp += sizeof(int32_t); \
867 n2 = EXTRACT_32BITS(bp); \
868 bp += sizeof(int32_t); \
869 n3 = EXTRACT_32BITS(bp); \
870 bp += sizeof(int32_t); \
871 ND_PRINT((ndo, " server %d:%d:%d", (int) n1, (int) n2, (int) n3)); \
872 }
873
874 /*
875 * Handle calls to the AFS file service (fs)
876 */
877
878 static void
879 fs_print(netdissect_options *ndo,
880 register const u_char *bp, int length)
881 {
882 int fs_op;
883 unsigned long i;
884
885 if (length <= (int)sizeof(struct rx_header))
886 return;
887
888 if (ndo->ndo_snapend - bp + 1 <= (int)(sizeof(struct rx_header) + sizeof(int32_t))) {
889 goto trunc;
890 }
891
892 /*
893 * Print out the afs call we're invoking. The table used here was
894 * gleaned from fsint/afsint.xg
895 */
896
897 fs_op = EXTRACT_32BITS(bp + sizeof(struct rx_header));
898
899 ND_PRINT((ndo, " fs call %s", tok2str(fs_req, "op#%d", fs_op)));
900
901 /*
902 * Print out arguments to some of the AFS calls. This stuff is
903 * all from afsint.xg
904 */
905
906 bp += sizeof(struct rx_header) + 4;
907
908 /*
909 * Sigh. This is gross. Ritchie forgive me.
910 */
911
912 switch (fs_op) {
913 case 130: /* Fetch data */
914 FIDOUT();
915 ND_PRINT((ndo, " offset"));
916 UINTOUT();
917 ND_PRINT((ndo, " length"));
918 UINTOUT();
919 break;
920 case 131: /* Fetch ACL */
921 case 132: /* Fetch Status */
922 case 143: /* Old set lock */
923 case 144: /* Old extend lock */
924 case 145: /* Old release lock */
925 case 156: /* Set lock */
926 case 157: /* Extend lock */
927 case 158: /* Release lock */
928 FIDOUT();
929 break;
930 case 135: /* Store status */
931 FIDOUT();
932 STOREATTROUT();
933 break;
934 case 133: /* Store data */
935 FIDOUT();
936 STOREATTROUT();
937 ND_PRINT((ndo, " offset"));
938 UINTOUT();
939 ND_PRINT((ndo, " length"));
940 UINTOUT();
941 ND_PRINT((ndo, " flen"));
942 UINTOUT();
943 break;
944 case 134: /* Store ACL */
945 {
946 char a[AFSOPAQUEMAX+1];
947 FIDOUT();
948 ND_TCHECK2(bp[0], 4);
949 i = EXTRACT_32BITS(bp);
950 bp += sizeof(int32_t);
951 ND_TCHECK2(bp[0], i);
952 i = min(AFSOPAQUEMAX, i);
953 strncpy(a, (const char *) bp, i);
954 a[i] = '\0';
955 acl_print(ndo, (u_char *) a, sizeof(a), (u_char *) a + i);
956 break;
957 }
958 case 137: /* Create file */
959 case 141: /* MakeDir */
960 FIDOUT();
961 STROUT(AFSNAMEMAX);
962 STOREATTROUT();
963 break;
964 case 136: /* Remove file */
965 case 142: /* Remove directory */
966 FIDOUT();
967 STROUT(AFSNAMEMAX);
968 break;
969 case 138: /* Rename file */
970 ND_PRINT((ndo, " old"));
971 FIDOUT();
972 STROUT(AFSNAMEMAX);
973 ND_PRINT((ndo, " new"));
974 FIDOUT();
975 STROUT(AFSNAMEMAX);
976 break;
977 case 139: /* Symlink */
978 FIDOUT();
979 STROUT(AFSNAMEMAX);
980 ND_PRINT((ndo, " link to"));
981 STROUT(AFSNAMEMAX);
982 break;
983 case 140: /* Link */
984 FIDOUT();
985 STROUT(AFSNAMEMAX);
986 ND_PRINT((ndo, " link to"));
987 FIDOUT();
988 break;
989 case 148: /* Get volume info */
990 STROUT(AFSNAMEMAX);
991 break;
992 case 149: /* Get volume stats */
993 case 150: /* Set volume stats */
994 ND_PRINT((ndo, " volid"));
995 UINTOUT();
996 break;
997 case 154: /* New get volume info */
998 ND_PRINT((ndo, " volname"));
999 STROUT(AFSNAMEMAX);
1000 break;
1001 case 155: /* Bulk stat */
1002 case 65536: /* Inline bulk stat */
1003 {
1004 unsigned long j;
1005 ND_TCHECK2(bp[0], 4);
1006 j = EXTRACT_32BITS(bp);
1007 bp += sizeof(int32_t);
1008
1009 for (i = 0; i < j; i++) {
1010 FIDOUT();
1011 if (i != j - 1)
1012 ND_PRINT((ndo, ","));
1013 }
1014 if (j == 0)
1015 ND_PRINT((ndo, " <none!>"));
1016 }
1017 case 65537: /* Fetch data 64 */
1018 FIDOUT();
1019 ND_PRINT((ndo, " offset"));
1020 UINT64OUT();
1021 ND_PRINT((ndo, " length"));
1022 UINT64OUT();
1023 break;
1024 case 65538: /* Store data 64 */
1025 FIDOUT();
1026 STOREATTROUT();
1027 ND_PRINT((ndo, " offset"));
1028 UINT64OUT();
1029 ND_PRINT((ndo, " length"));
1030 UINT64OUT();
1031 ND_PRINT((ndo, " flen"));
1032 UINT64OUT();
1033 break;
1034 case 65541: /* CallBack rx conn address */
1035 ND_PRINT((ndo, " addr"));
1036 UINTOUT();
1037 default:
1038 ;
1039 }
1040
1041 return;
1042
1043 trunc:
1044 ND_PRINT((ndo, " [|fs]"));
1045 }
1046
1047 /*
1048 * Handle replies to the AFS file service
1049 */
1050
1051 static void
1052 fs_reply_print(netdissect_options *ndo,
1053 register const u_char *bp, int length, int32_t opcode)
1054 {
1055 unsigned long i;
1056 const struct rx_header *rxh;
1057
1058 if (length <= (int)sizeof(struct rx_header))
1059 return;
1060
1061 rxh = (const struct rx_header *) bp;
1062
1063 /*
1064 * Print out the afs call we're invoking. The table used here was
1065 * gleaned from fsint/afsint.xg
1066 */
1067
1068 ND_PRINT((ndo, " fs reply %s", tok2str(fs_req, "op#%d", opcode)));
1069
1070 bp += sizeof(struct rx_header);
1071
1072 /*
1073 * If it was a data packet, interpret the response
1074 */
1075
1076 if (rxh->type == RX_PACKET_TYPE_DATA) {
1077 switch (opcode) {
1078 case 131: /* Fetch ACL */
1079 {
1080 char a[AFSOPAQUEMAX+1];
1081 ND_TCHECK2(bp[0], 4);
1082 i = EXTRACT_32BITS(bp);
1083 bp += sizeof(int32_t);
1084 ND_TCHECK2(bp[0], i);
1085 i = min(AFSOPAQUEMAX, i);
1086 strncpy(a, (const char *) bp, i);
1087 a[i] = '\0';
1088 acl_print(ndo, (u_char *) a, sizeof(a), (u_char *) a + i);
1089 break;
1090 }
1091 case 137: /* Create file */
1092 case 141: /* MakeDir */
1093 ND_PRINT((ndo, " new"));
1094 FIDOUT();
1095 break;
1096 case 151: /* Get root volume */
1097 ND_PRINT((ndo, " root volume"));
1098 STROUT(AFSNAMEMAX);
1099 break;
1100 case 153: /* Get time */
1101 DATEOUT();
1102 break;
1103 default:
1104 ;
1105 }
1106 } else if (rxh->type == RX_PACKET_TYPE_ABORT) {
1107 int i;
1108
1109 /*
1110 * Otherwise, just print out the return code
1111 */
1112 ND_TCHECK2(bp[0], sizeof(int32_t));
1113 i = (int) EXTRACT_32BITS(bp);
1114 bp += sizeof(int32_t);
1115
1116 ND_PRINT((ndo, " error %s", tok2str(afs_fs_errors, "#%d", i)));
1117 } else {
1118 ND_PRINT((ndo, " strange fs reply of type %d", rxh->type));
1119 }
1120
1121 return;
1122
1123 trunc:
1124 ND_PRINT((ndo, " [|fs]"));
1125 }
1126
1127 /*
1128 * Print out an AFS ACL string. An AFS ACL is a string that has the
1129 * following format:
1130 *
1131 * <positive> <negative>
1132 * <uid1> <aclbits1>
1133 * ....
1134 *
1135 * "positive" and "negative" are integers which contain the number of
1136 * positive and negative ACL's in the string. The uid/aclbits pair are
1137 * ASCII strings containing the UID/PTS record and and a ascii number
1138 * representing a logical OR of all the ACL permission bits
1139 */
1140
1141 static void
1142 acl_print(netdissect_options *ndo,
1143 u_char *s, int maxsize, u_char *end)
1144 {
1145 int pos, neg, acl;
1146 int n, i;
1147 char *user;
1148 char fmt[1024];
1149
1150 if ((user = (char *)malloc(maxsize)) == NULL)
1151 return;
1152
1153 if (sscanf((char *) s, "%d %d\n%n", &pos, &neg, &n) != 2)
1154 goto finish;
1155
1156 s += n;
1157
1158 if (s > end)
1159 goto finish;
1160
1161 /*
1162 * This wacky order preserves the order used by the "fs" command
1163 */
1164
1165 #define ACLOUT(acl) \
1166 ND_PRINT((ndo, "%s%s%s%s%s%s%s", \
1167 acl & PRSFS_READ ? "r" : "", \
1168 acl & PRSFS_LOOKUP ? "l" : "", \
1169 acl & PRSFS_INSERT ? "i" : "", \
1170 acl & PRSFS_DELETE ? "d" : "", \
1171 acl & PRSFS_WRITE ? "w" : "", \
1172 acl & PRSFS_LOCK ? "k" : "", \
1173 acl & PRSFS_ADMINISTER ? "a" : ""));
1174
1175 for (i = 0; i < pos; i++) {
1176 snprintf(fmt, sizeof(fmt), "%%%ds %%d\n%%n", maxsize - 1);
1177 if (sscanf((char *) s, fmt, user, &acl, &n) != 2)
1178 goto finish;
1179 s += n;
1180 ND_PRINT((ndo, " +{"));
1181 fn_print(ndo, (u_char *)user, NULL);
1182 ND_PRINT((ndo, " "));
1183 ACLOUT(acl);
1184 ND_PRINT((ndo, "}"));
1185 if (s > end)
1186 goto finish;
1187 }
1188
1189 for (i = 0; i < neg; i++) {
1190 snprintf(fmt, sizeof(fmt), "%%%ds %%d\n%%n", maxsize - 1);
1191 if (sscanf((char *) s, fmt, user, &acl, &n) != 2)
1192 goto finish;
1193 s += n;
1194 ND_PRINT((ndo, " -{"));
1195 fn_print(ndo, (u_char *)user, NULL);
1196 ND_PRINT((ndo, " "));
1197 ACLOUT(acl);
1198 ND_PRINT((ndo, "}"));
1199 if (s > end)
1200 goto finish;
1201 }
1202
1203 finish:
1204 free(user);
1205 return;
1206 }
1207
1208 #undef ACLOUT
1209
1210 /*
1211 * Handle calls to the AFS callback service
1212 */
1213
1214 static void
1215 cb_print(netdissect_options *ndo,
1216 register const u_char *bp, int length)
1217 {
1218 int cb_op;
1219 unsigned long i;
1220
1221 if (length <= (int)sizeof(struct rx_header))
1222 return;
1223
1224 if (ndo->ndo_snapend - bp + 1 <= (int)(sizeof(struct rx_header) + sizeof(int32_t))) {
1225 goto trunc;
1226 }
1227
1228 /*
1229 * Print out the afs call we're invoking. The table used here was
1230 * gleaned from fsint/afscbint.xg
1231 */
1232
1233 cb_op = EXTRACT_32BITS(bp + sizeof(struct rx_header));
1234
1235 ND_PRINT((ndo, " cb call %s", tok2str(cb_req, "op#%d", cb_op)));
1236
1237 bp += sizeof(struct rx_header) + 4;
1238
1239 /*
1240 * Print out the afs call we're invoking. The table used here was
1241 * gleaned from fsint/afscbint.xg
1242 */
1243
1244 switch (cb_op) {
1245 case 204: /* Callback */
1246 {
1247 unsigned long j, t;
1248 ND_TCHECK2(bp[0], 4);
1249 j = EXTRACT_32BITS(bp);
1250 bp += sizeof(int32_t);
1251
1252 for (i = 0; i < j; i++) {
1253 FIDOUT();
1254 if (i != j - 1)
1255 ND_PRINT((ndo, ","));
1256 }
1257
1258 if (j == 0)
1259 ND_PRINT((ndo, " <none!>"));
1260
1261 j = EXTRACT_32BITS(bp);
1262 bp += sizeof(int32_t);
1263
1264 if (j != 0)
1265 ND_PRINT((ndo, ";"));
1266
1267 for (i = 0; i < j; i++) {
1268 ND_PRINT((ndo, " ver"));
1269 INTOUT();
1270 ND_PRINT((ndo, " expires"));
1271 DATEOUT();
1272 ND_TCHECK2(bp[0], 4);
1273 t = EXTRACT_32BITS(bp);
1274 bp += sizeof(int32_t);
1275 tok2str(cb_types, "type %d", t);
1276 }
1277 }
1278 case 214: {
1279 ND_PRINT((ndo, " afsuuid"));
1280 AFSUUIDOUT();
1281 break;
1282 }
1283 default:
1284 ;
1285 }
1286
1287 return;
1288
1289 trunc:
1290 ND_PRINT((ndo, " [|cb]"));
1291 }
1292
1293 /*
1294 * Handle replies to the AFS Callback Service
1295 */
1296
1297 static void
1298 cb_reply_print(netdissect_options *ndo,
1299 register const u_char *bp, int length, int32_t opcode)
1300 {
1301 const struct rx_header *rxh;
1302
1303 if (length <= (int)sizeof(struct rx_header))
1304 return;
1305
1306 rxh = (const struct rx_header *) bp;
1307
1308 /*
1309 * Print out the afs call we're invoking. The table used here was
1310 * gleaned from fsint/afscbint.xg
1311 */
1312
1313 ND_PRINT((ndo, " cb reply %s", tok2str(cb_req, "op#%d", opcode)));
1314
1315 bp += sizeof(struct rx_header);
1316
1317 /*
1318 * If it was a data packet, interpret the response.
1319 */
1320
1321 if (rxh->type == RX_PACKET_TYPE_DATA)
1322 switch (opcode) {
1323 case 213: /* InitCallBackState3 */
1324 AFSUUIDOUT();
1325 break;
1326 default:
1327 ;
1328 }
1329 else {
1330 /*
1331 * Otherwise, just print out the return code
1332 */
1333 ND_PRINT((ndo, " errcode"));
1334 INTOUT();
1335 }
1336
1337 return;
1338
1339 trunc:
1340 ND_PRINT((ndo, " [|cb]"));
1341 }
1342
1343 /*
1344 * Handle calls to the AFS protection database server
1345 */
1346
1347 static void
1348 prot_print(netdissect_options *ndo,
1349 register const u_char *bp, int length)
1350 {
1351 unsigned long i;
1352 int pt_op;
1353
1354 if (length <= (int)sizeof(struct rx_header))
1355 return;
1356
1357 if (ndo->ndo_snapend - bp + 1 <= (int)(sizeof(struct rx_header) + sizeof(int32_t))) {
1358 goto trunc;
1359 }
1360
1361 /*
1362 * Print out the afs call we're invoking. The table used here was
1363 * gleaned from ptserver/ptint.xg
1364 */
1365
1366 pt_op = EXTRACT_32BITS(bp + sizeof(struct rx_header));
1367
1368 ND_PRINT((ndo, " pt"));
1369
1370 if (is_ubik(pt_op)) {
1371 ubik_print(ndo, bp);
1372 return;
1373 }
1374
1375 ND_PRINT((ndo, " call %s", tok2str(pt_req, "op#%d", pt_op)));
1376
1377 /*
1378 * Decode some of the arguments to the PT calls
1379 */
1380
1381 bp += sizeof(struct rx_header) + 4;
1382
1383 switch (pt_op) {
1384 case 500: /* I New User */
1385 STROUT(PRNAMEMAX);
1386 ND_PRINT((ndo, " id"));
1387 INTOUT();
1388 ND_PRINT((ndo, " oldid"));
1389 INTOUT();
1390 break;
1391 case 501: /* Where is it */
1392 case 506: /* Delete */
1393 case 508: /* Get CPS */
1394 case 512: /* List entry */
1395 case 514: /* List elements */
1396 case 517: /* List owned */
1397 case 518: /* Get CPS2 */
1398 case 519: /* Get host CPS */
1399 case 530: /* List super groups */
1400 ND_PRINT((ndo, " id"));
1401 INTOUT();
1402 break;
1403 case 502: /* Dump entry */
1404 ND_PRINT((ndo, " pos"));
1405 INTOUT();
1406 break;
1407 case 503: /* Add to group */
1408 case 507: /* Remove from group */
1409 case 515: /* Is a member of? */
1410 ND_PRINT((ndo, " uid"));
1411 INTOUT();
1412 ND_PRINT((ndo, " gid"));
1413 INTOUT();
1414 break;
1415 case 504: /* Name to ID */
1416 {
1417 unsigned long j;
1418 ND_TCHECK2(bp[0], 4);
1419 j = EXTRACT_32BITS(bp);
1420 bp += sizeof(int32_t);
1421
1422 /*
1423 * Who designed this chicken-shit protocol?
1424 *
1425 * Each character is stored as a 32-bit
1426 * integer!
1427 */
1428
1429 for (i = 0; i < j; i++) {
1430 VECOUT(PRNAMEMAX);
1431 }
1432 if (j == 0)
1433 ND_PRINT((ndo, " <none!>"));
1434 }
1435 break;
1436 case 505: /* Id to name */
1437 {
1438 unsigned long j;
1439 ND_PRINT((ndo, " ids:"));
1440 ND_TCHECK2(bp[0], 4);
1441 i = EXTRACT_32BITS(bp);
1442 bp += sizeof(int32_t);
1443 for (j = 0; j < i; j++)
1444 INTOUT();
1445 if (j == 0)
1446 ND_PRINT((ndo, " <none!>"));
1447 }
1448 break;
1449 case 509: /* New entry */
1450 STROUT(PRNAMEMAX);
1451 ND_PRINT((ndo, " flag"));
1452 INTOUT();
1453 ND_PRINT((ndo, " oid"));
1454 INTOUT();
1455 break;
1456 case 511: /* Set max */
1457 ND_PRINT((ndo, " id"));
1458 INTOUT();
1459 ND_PRINT((ndo, " gflag"));
1460 INTOUT();
1461 break;
1462 case 513: /* Change entry */
1463 ND_PRINT((ndo, " id"));
1464 INTOUT();
1465 STROUT(PRNAMEMAX);
1466 ND_PRINT((ndo, " oldid"));
1467 INTOUT();
1468 ND_PRINT((ndo, " newid"));
1469 INTOUT();
1470 break;
1471 case 520: /* Update entry */
1472 ND_PRINT((ndo, " id"));
1473 INTOUT();
1474 STROUT(PRNAMEMAX);
1475 break;
1476 default:
1477 ;
1478 }
1479
1480
1481 return;
1482
1483 trunc:
1484 ND_PRINT((ndo, " [|pt]"));
1485 }
1486
1487 /*
1488 * Handle replies to the AFS protection service
1489 */
1490
1491 static void
1492 prot_reply_print(netdissect_options *ndo,
1493 register const u_char *bp, int length, int32_t opcode)
1494 {
1495 const struct rx_header *rxh;
1496 unsigned long i;
1497
1498 if (length < (int)sizeof(struct rx_header))
1499 return;
1500
1501 rxh = (const struct rx_header *) bp;
1502
1503 /*
1504 * Print out the afs call we're invoking. The table used here was
1505 * gleaned from ptserver/ptint.xg. Check to see if it's a
1506 * Ubik call, however.
1507 */
1508
1509 ND_PRINT((ndo, " pt"));
1510
1511 if (is_ubik(opcode)) {
1512 ubik_reply_print(ndo, bp, length, opcode);
1513 return;
1514 }
1515
1516 ND_PRINT((ndo, " reply %s", tok2str(pt_req, "op#%d", opcode)));
1517
1518 bp += sizeof(struct rx_header);
1519
1520 /*
1521 * If it was a data packet, interpret the response
1522 */
1523
1524 if (rxh->type == RX_PACKET_TYPE_DATA)
1525 switch (opcode) {
1526 case 504: /* Name to ID */
1527 {
1528 unsigned long j;
1529 ND_PRINT((ndo, " ids:"));
1530 ND_TCHECK2(bp[0], 4);
1531 i = EXTRACT_32BITS(bp);
1532 bp += sizeof(int32_t);
1533 for (j = 0; j < i; j++)
1534 INTOUT();
1535 if (j == 0)
1536 ND_PRINT((ndo, " <none!>"));
1537 }
1538 break;
1539 case 505: /* ID to name */
1540 {
1541 unsigned long j;
1542 ND_TCHECK2(bp[0], 4);
1543 j = EXTRACT_32BITS(bp);
1544 bp += sizeof(int32_t);
1545
1546 /*
1547 * Who designed this chicken-shit protocol?
1548 *
1549 * Each character is stored as a 32-bit
1550 * integer!
1551 */
1552
1553 for (i = 0; i < j; i++) {
1554 VECOUT(PRNAMEMAX);
1555 }
1556 if (j == 0)
1557 ND_PRINT((ndo, " <none!>"));
1558 }
1559 break;
1560 case 508: /* Get CPS */
1561 case 514: /* List elements */
1562 case 517: /* List owned */
1563 case 518: /* Get CPS2 */
1564 case 519: /* Get host CPS */
1565 {
1566 unsigned long j;
1567 ND_TCHECK2(bp[0], 4);
1568 j = EXTRACT_32BITS(bp);
1569 bp += sizeof(int32_t);
1570 for (i = 0; i < j; i++) {
1571 INTOUT();
1572 }
1573 if (j == 0)
1574 ND_PRINT((ndo, " <none!>"));
1575 }
1576 break;
1577 case 510: /* List max */
1578 ND_PRINT((ndo, " maxuid"));
1579 INTOUT();
1580 ND_PRINT((ndo, " maxgid"));
1581 INTOUT();
1582 break;
1583 default:
1584 ;
1585 }
1586 else {
1587 /*
1588 * Otherwise, just print out the return code
1589 */
1590 ND_PRINT((ndo, " errcode"));
1591 INTOUT();
1592 }
1593
1594 return;
1595
1596 trunc:
1597 ND_PRINT((ndo, " [|pt]"));
1598 }
1599
1600 /*
1601 * Handle calls to the AFS volume location database service
1602 */
1603
1604 static void
1605 vldb_print(netdissect_options *ndo,
1606 register const u_char *bp, int length)
1607 {
1608 int vldb_op;
1609 unsigned long i;
1610
1611 if (length <= (int)sizeof(struct rx_header))
1612 return;
1613
1614 if (ndo->ndo_snapend - bp + 1 <= (int)(sizeof(struct rx_header) + sizeof(int32_t))) {
1615 goto trunc;
1616 }
1617
1618 /*
1619 * Print out the afs call we're invoking. The table used here was
1620 * gleaned from vlserver/vldbint.xg
1621 */
1622
1623 vldb_op = EXTRACT_32BITS(bp + sizeof(struct rx_header));
1624
1625 ND_PRINT((ndo, " vldb"));
1626
1627 if (is_ubik(vldb_op)) {
1628 ubik_print(ndo, bp);
1629 return;
1630 }
1631 ND_PRINT((ndo, " call %s", tok2str(vldb_req, "op#%d", vldb_op)));
1632
1633 /*
1634 * Decode some of the arguments to the VLDB calls
1635 */
1636
1637 bp += sizeof(struct rx_header) + 4;
1638
1639 switch (vldb_op) {
1640 case 501: /* Create new volume */
1641 case 517: /* Create entry N */
1642 VECOUT(VLNAMEMAX);
1643 break;
1644 case 502: /* Delete entry */
1645 case 503: /* Get entry by ID */
1646 case 507: /* Update entry */
1647 case 508: /* Set lock */
1648 case 509: /* Release lock */
1649 case 518: /* Get entry by ID N */
1650 ND_PRINT((ndo, " volid"));
1651 INTOUT();
1652 ND_TCHECK2(bp[0], sizeof(int32_t));
1653 i = EXTRACT_32BITS(bp);
1654 bp += sizeof(int32_t);
1655 if (i <= 2)
1656 ND_PRINT((ndo, " type %s", voltype[i]));
1657 break;
1658 case 504: /* Get entry by name */
1659 case 519: /* Get entry by name N */
1660 case 524: /* Update entry by name */
1661 case 527: /* Get entry by name U */
1662 STROUT(VLNAMEMAX);
1663 break;
1664 case 505: /* Get new vol id */
1665 ND_PRINT((ndo, " bump"));
1666 INTOUT();
1667 break;
1668 case 506: /* Replace entry */
1669 case 520: /* Replace entry N */
1670 ND_PRINT((ndo, " volid"));
1671 INTOUT();
1672 ND_TCHECK2(bp[0], sizeof(int32_t));
1673 i = EXTRACT_32BITS(bp);
1674 bp += sizeof(int32_t);
1675 if (i <= 2)
1676 ND_PRINT((ndo, " type %s", voltype[i]));
1677 VECOUT(VLNAMEMAX);
1678 break;
1679 case 510: /* List entry */
1680 case 521: /* List entry N */
1681 ND_PRINT((ndo, " index"));
1682 INTOUT();
1683 break;
1684 default:
1685 ;
1686 }
1687
1688 return;
1689
1690 trunc:
1691 ND_PRINT((ndo, " [|vldb]"));
1692 }
1693
1694 /*
1695 * Handle replies to the AFS volume location database service
1696 */
1697
1698 static void
1699 vldb_reply_print(netdissect_options *ndo,
1700 register const u_char *bp, int length, int32_t opcode)
1701 {
1702 const struct rx_header *rxh;
1703 unsigned long i;
1704
1705 if (length < (int)sizeof(struct rx_header))
1706 return;
1707
1708 rxh = (const struct rx_header *) bp;
1709
1710 /*
1711 * Print out the afs call we're invoking. The table used here was
1712 * gleaned from vlserver/vldbint.xg. Check to see if it's a
1713 * Ubik call, however.
1714 */
1715
1716 ND_PRINT((ndo, " vldb"));
1717
1718 if (is_ubik(opcode)) {
1719 ubik_reply_print(ndo, bp, length, opcode);
1720 return;
1721 }
1722
1723 ND_PRINT((ndo, " reply %s", tok2str(vldb_req, "op#%d", opcode)));
1724
1725 bp += sizeof(struct rx_header);
1726
1727 /*
1728 * If it was a data packet, interpret the response
1729 */
1730
1731 if (rxh->type == RX_PACKET_TYPE_DATA)
1732 switch (opcode) {
1733 case 510: /* List entry */
1734 ND_PRINT((ndo, " count"));
1735 INTOUT();
1736 ND_PRINT((ndo, " nextindex"));
1737 INTOUT();
1738 case 503: /* Get entry by id */
1739 case 504: /* Get entry by name */
1740 { unsigned long nservers, j;
1741 VECOUT(VLNAMEMAX);
1742 ND_TCHECK2(bp[0], sizeof(int32_t));
1743 bp += sizeof(int32_t);
1744 ND_PRINT((ndo, " numservers"));
1745 ND_TCHECK2(bp[0], sizeof(int32_t));
1746 nservers = EXTRACT_32BITS(bp);
1747 bp += sizeof(int32_t);
1748 ND_PRINT((ndo, " %lu", nservers));
1749 ND_PRINT((ndo, " servers"));
1750 for (i = 0; i < 8; i++) {
1751 ND_TCHECK2(bp[0], sizeof(int32_t));
1752 if (i < nservers)
1753 ND_PRINT((ndo, " %s",
1754 intoa(((const struct in_addr *) bp)->s_addr)));
1755 bp += sizeof(int32_t);
1756 }
1757 ND_PRINT((ndo, " partitions"));
1758 for (i = 0; i < 8; i++) {
1759 ND_TCHECK2(bp[0], sizeof(int32_t));
1760 j = EXTRACT_32BITS(bp);
1761 if (i < nservers && j <= 26)
1762 ND_PRINT((ndo, " %c", 'a' + (int)j));
1763 else if (i < nservers)
1764 ND_PRINT((ndo, " %lu", j));
1765 bp += sizeof(int32_t);
1766 }
1767 ND_TCHECK2(bp[0], 8 * sizeof(int32_t));
1768 bp += 8 * sizeof(int32_t);
1769 ND_PRINT((ndo, " rwvol"));
1770 UINTOUT();
1771 ND_PRINT((ndo, " rovol"));
1772 UINTOUT();
1773 ND_PRINT((ndo, " backup"));
1774 UINTOUT();
1775 }
1776 break;
1777 case 505: /* Get new volume ID */
1778 ND_PRINT((ndo, " newvol"));
1779 UINTOUT();
1780 break;
1781 case 521: /* List entry */
1782 case 529: /* List entry U */
1783 ND_PRINT((ndo, " count"));
1784 INTOUT();
1785 ND_PRINT((ndo, " nextindex"));
1786 INTOUT();
1787 case 518: /* Get entry by ID N */
1788 case 519: /* Get entry by name N */
1789 { unsigned long nservers, j;
1790 VECOUT(VLNAMEMAX);
1791 ND_PRINT((ndo, " numservers"));
1792 ND_TCHECK2(bp[0], sizeof(int32_t));
1793 nservers = EXTRACT_32BITS(bp);
1794 bp += sizeof(int32_t);
1795 ND_PRINT((ndo, " %lu", nservers));
1796 ND_PRINT((ndo, " servers"));
1797 for (i = 0; i < 13; i++) {
1798 ND_TCHECK2(bp[0], sizeof(int32_t));
1799 if (i < nservers)
1800 ND_PRINT((ndo, " %s",
1801 intoa(((const struct in_addr *) bp)->s_addr)));
1802 bp += sizeof(int32_t);
1803 }
1804 ND_PRINT((ndo, " partitions"));
1805 for (i = 0; i < 13; i++) {
1806 ND_TCHECK2(bp[0], sizeof(int32_t));
1807 j = EXTRACT_32BITS(bp);
1808 if (i < nservers && j <= 26)
1809 ND_PRINT((ndo, " %c", 'a' + (int)j));
1810 else if (i < nservers)
1811 ND_PRINT((ndo, " %lu", j));
1812 bp += sizeof(int32_t);
1813 }
1814 ND_TCHECK2(bp[0], 13 * sizeof(int32_t));
1815 bp += 13 * sizeof(int32_t);
1816 ND_PRINT((ndo, " rwvol"));
1817 UINTOUT();
1818 ND_PRINT((ndo, " rovol"));
1819 UINTOUT();
1820 ND_PRINT((ndo, " backup"));
1821 UINTOUT();
1822 }
1823 break;
1824 case 526: /* Get entry by ID U */
1825 case 527: /* Get entry by name U */
1826 { unsigned long nservers, j;
1827 VECOUT(VLNAMEMAX);
1828 ND_PRINT((ndo, " numservers"));
1829 ND_TCHECK2(bp[0], sizeof(int32_t));
1830 nservers = EXTRACT_32BITS(bp);
1831 bp += sizeof(int32_t);
1832 ND_PRINT((ndo, " %lu", nservers));
1833 ND_PRINT((ndo, " servers"));
1834 for (i = 0; i < 13; i++) {
1835 if (i < nservers) {
1836 ND_PRINT((ndo, " afsuuid"));
1837 AFSUUIDOUT();
1838 } else {
1839 ND_TCHECK2(bp[0], 44);
1840 bp += 44;
1841 }
1842 }
1843 ND_TCHECK2(bp[0], 4 * 13);
1844 bp += 4 * 13;
1845 ND_PRINT((ndo, " partitions"));
1846 for (i = 0; i < 13; i++) {
1847 ND_TCHECK2(bp[0], sizeof(int32_t));
1848 j = EXTRACT_32BITS(bp);
1849 if (i < nservers && j <= 26)
1850 ND_PRINT((ndo, " %c", 'a' + (int)j));
1851 else if (i < nservers)
1852 ND_PRINT((ndo, " %lu", j));
1853 bp += sizeof(int32_t);
1854 }
1855 ND_TCHECK2(bp[0], 13 * sizeof(int32_t));
1856 bp += 13 * sizeof(int32_t);
1857 ND_PRINT((ndo, " rwvol"));
1858 UINTOUT();
1859 ND_PRINT((ndo, " rovol"));
1860 UINTOUT();
1861 ND_PRINT((ndo, " backup"));
1862 UINTOUT();
1863 }
1864 default:
1865 ;
1866 }
1867
1868 else {
1869 /*
1870 * Otherwise, just print out the return code
1871 */
1872 ND_PRINT((ndo, " errcode"));
1873 INTOUT();
1874 }
1875
1876 return;
1877
1878 trunc:
1879 ND_PRINT((ndo, " [|vldb]"));
1880 }
1881
1882 /*
1883 * Handle calls to the AFS Kerberos Authentication service
1884 */
1885
1886 static void
1887 kauth_print(netdissect_options *ndo,
1888 register const u_char *bp, int length)
1889 {
1890 int kauth_op;
1891
1892 if (length <= (int)sizeof(struct rx_header))
1893 return;
1894
1895 if (ndo->ndo_snapend - bp + 1 <= (int)(sizeof(struct rx_header) + sizeof(int32_t))) {
1896 goto trunc;
1897 }
1898
1899 /*
1900 * Print out the afs call we're invoking. The table used here was
1901 * gleaned from kauth/kauth.rg
1902 */
1903
1904 kauth_op = EXTRACT_32BITS(bp + sizeof(struct rx_header));
1905
1906 ND_PRINT((ndo, " kauth"));
1907
1908 if (is_ubik(kauth_op)) {
1909 ubik_print(ndo, bp);
1910 return;
1911 }
1912
1913
1914 ND_PRINT((ndo, " call %s", tok2str(kauth_req, "op#%d", kauth_op)));
1915
1916 /*
1917 * Decode some of the arguments to the KA calls
1918 */
1919
1920 bp += sizeof(struct rx_header) + 4;
1921
1922 switch (kauth_op) {
1923 case 1: /* Authenticate old */;
1924 case 21: /* Authenticate */
1925 case 22: /* Authenticate-V2 */
1926 case 2: /* Change PW */
1927 case 5: /* Set fields */
1928 case 6: /* Create user */
1929 case 7: /* Delete user */
1930 case 8: /* Get entry */
1931 case 14: /* Unlock */
1932 case 15: /* Lock status */
1933 ND_PRINT((ndo, " principal"));
1934 STROUT(KANAMEMAX);
1935 STROUT(KANAMEMAX);
1936 break;
1937 case 3: /* GetTicket-old */
1938 case 23: /* GetTicket */
1939 {
1940 int i;
1941 ND_PRINT((ndo, " kvno"));
1942 INTOUT();
1943 ND_PRINT((ndo, " domain"));
1944 STROUT(KANAMEMAX);
1945 ND_TCHECK2(bp[0], sizeof(int32_t));
1946 i = (int) EXTRACT_32BITS(bp);
1947 bp += sizeof(int32_t);
1948 ND_TCHECK2(bp[0], i);
1949 bp += i;
1950 ND_PRINT((ndo, " principal"));
1951 STROUT(KANAMEMAX);
1952 STROUT(KANAMEMAX);
1953 break;
1954 }
1955 case 4: /* Set Password */
1956 ND_PRINT((ndo, " principal"));
1957 STROUT(KANAMEMAX);
1958 STROUT(KANAMEMAX);
1959 ND_PRINT((ndo, " kvno"));
1960 INTOUT();
1961 break;
1962 case 12: /* Get password */
1963 ND_PRINT((ndo, " name"));
1964 STROUT(KANAMEMAX);
1965 break;
1966 default:
1967 ;
1968 }
1969
1970 return;
1971
1972 trunc:
1973 ND_PRINT((ndo, " [|kauth]"));
1974 }
1975
1976 /*
1977 * Handle replies to the AFS Kerberos Authentication Service
1978 */
1979
1980 static void
1981 kauth_reply_print(netdissect_options *ndo,
1982 register const u_char *bp, int length, int32_t opcode)
1983 {
1984 const struct rx_header *rxh;
1985
1986 if (length <= (int)sizeof(struct rx_header))
1987 return;
1988
1989 rxh = (const struct rx_header *) bp;
1990
1991 /*
1992 * Print out the afs call we're invoking. The table used here was
1993 * gleaned from kauth/kauth.rg
1994 */
1995
1996 ND_PRINT((ndo, " kauth"));
1997
1998 if (is_ubik(opcode)) {
1999 ubik_reply_print(ndo, bp, length, opcode);
2000 return;
2001 }
2002
2003 ND_PRINT((ndo, " reply %s", tok2str(kauth_req, "op#%d", opcode)));
2004
2005 bp += sizeof(struct rx_header);
2006
2007 /*
2008 * If it was a data packet, interpret the response.
2009 */
2010
2011 if (rxh->type == RX_PACKET_TYPE_DATA)
2012 /* Well, no, not really. Leave this for later */
2013 ;
2014 else {
2015 /*
2016 * Otherwise, just print out the return code
2017 */
2018 ND_PRINT((ndo, " errcode"));
2019 INTOUT();
2020 }
2021
2022 return;
2023
2024 trunc:
2025 ND_PRINT((ndo, " [|kauth]"));
2026 }
2027
2028 /*
2029 * Handle calls to the AFS Volume location service
2030 */
2031
2032 static void
2033 vol_print(netdissect_options *ndo,
2034 register const u_char *bp, int length)
2035 {
2036 int vol_op;
2037
2038 if (length <= (int)sizeof(struct rx_header))
2039 return;
2040
2041 if (ndo->ndo_snapend - bp + 1 <= (int)(sizeof(struct rx_header) + sizeof(int32_t))) {
2042 goto trunc;
2043 }
2044
2045 /*
2046 * Print out the afs call we're invoking. The table used here was
2047 * gleaned from volser/volint.xg
2048 */
2049
2050 vol_op = EXTRACT_32BITS(bp + sizeof(struct rx_header));
2051
2052 ND_PRINT((ndo, " vol call %s", tok2str(vol_req, "op#%d", vol_op)));
2053
2054 bp += sizeof(struct rx_header) + 4;
2055
2056 switch (vol_op) {
2057 case 100: /* Create volume */
2058 ND_PRINT((ndo, " partition"));
2059 UINTOUT();
2060 ND_PRINT((ndo, " name"));
2061 STROUT(AFSNAMEMAX);
2062 ND_PRINT((ndo, " type"));
2063 UINTOUT();
2064 ND_PRINT((ndo, " parent"));
2065 UINTOUT();
2066 break;
2067 case 101: /* Delete volume */
2068 case 107: /* Get flags */
2069 ND_PRINT((ndo, " trans"));
2070 UINTOUT();
2071 break;
2072 case 102: /* Restore */
2073 ND_PRINT((ndo, " totrans"));
2074 UINTOUT();
2075 ND_PRINT((ndo, " flags"));
2076 UINTOUT();
2077 break;
2078 case 103: /* Forward */
2079 ND_PRINT((ndo, " fromtrans"));
2080 UINTOUT();
2081 ND_PRINT((ndo, " fromdate"));
2082 DATEOUT();
2083 DESTSERVEROUT();
2084 ND_PRINT((ndo, " desttrans"));
2085 INTOUT();
2086 break;
2087 case 104: /* End trans */
2088 ND_PRINT((ndo, " trans"));
2089 UINTOUT();
2090 break;
2091 case 105: /* Clone */
2092 ND_PRINT((ndo, " trans"));
2093 UINTOUT();
2094 ND_PRINT((ndo, " purgevol"));
2095 UINTOUT();
2096 ND_PRINT((ndo, " newtype"));
2097 UINTOUT();
2098 ND_PRINT((ndo, " newname"));
2099 STROUT(AFSNAMEMAX);
2100 break;
2101 case 106: /* Set flags */
2102 ND_PRINT((ndo, " trans"));
2103 UINTOUT();
2104 ND_PRINT((ndo, " flags"));
2105 UINTOUT();
2106 break;
2107 case 108: /* Trans create */
2108 ND_PRINT((ndo, " vol"));
2109 UINTOUT();
2110 ND_PRINT((ndo, " partition"));
2111 UINTOUT();
2112 ND_PRINT((ndo, " flags"));
2113 UINTOUT();
2114 break;
2115 case 109: /* Dump */
2116 case 655537: /* Get size */
2117 ND_PRINT((ndo, " fromtrans"));
2118 UINTOUT();
2119 ND_PRINT((ndo, " fromdate"));
2120 DATEOUT();
2121 break;
2122 case 110: /* Get n-th volume */
2123 ND_PRINT((ndo, " index"));
2124 UINTOUT();
2125 break;
2126 case 111: /* Set forwarding */
2127 ND_PRINT((ndo, " tid"));
2128 UINTOUT();
2129 ND_PRINT((ndo, " newsite"));
2130 UINTOUT();
2131 break;
2132 case 112: /* Get name */
2133 case 113: /* Get status */
2134 ND_PRINT((ndo, " tid"));
2135 break;
2136 case 114: /* Signal restore */
2137 ND_PRINT((ndo, " name"));
2138 STROUT(AFSNAMEMAX);
2139 ND_PRINT((ndo, " type"));
2140 UINTOUT();
2141 ND_PRINT((ndo, " pid"));
2142 UINTOUT();
2143 ND_PRINT((ndo, " cloneid"));
2144 UINTOUT();
2145 break;
2146 case 116: /* List volumes */
2147 ND_PRINT((ndo, " partition"));
2148 UINTOUT();
2149 ND_PRINT((ndo, " flags"));
2150 UINTOUT();
2151 break;
2152 case 117: /* Set id types */
2153 ND_PRINT((ndo, " tid"));
2154 UINTOUT();
2155 ND_PRINT((ndo, " name"));
2156 STROUT(AFSNAMEMAX);
2157 ND_PRINT((ndo, " type"));
2158 UINTOUT();
2159 ND_PRINT((ndo, " pid"));
2160 UINTOUT();
2161 ND_PRINT((ndo, " clone"));
2162 UINTOUT();
2163 ND_PRINT((ndo, " backup"));
2164 UINTOUT();
2165 break;
2166 case 119: /* Partition info */
2167 ND_PRINT((ndo, " name"));
2168 STROUT(AFSNAMEMAX);
2169 break;
2170 case 120: /* Reclone */
2171 ND_PRINT((ndo, " tid"));
2172 UINTOUT();
2173 break;
2174 case 121: /* List one volume */
2175 case 122: /* Nuke volume */
2176 case 124: /* Extended List volumes */
2177 case 125: /* Extended List one volume */
2178 case 65536: /* Convert RO to RW volume */
2179 ND_PRINT((ndo, " partid"));
2180 UINTOUT();
2181 ND_PRINT((ndo, " volid"));
2182 UINTOUT();
2183 break;
2184 case 123: /* Set date */
2185 ND_PRINT((ndo, " tid"));
2186 UINTOUT();
2187 ND_PRINT((ndo, " date"));
2188 DATEOUT();
2189 break;
2190 case 126: /* Set info */
2191 ND_PRINT((ndo, " tid"));
2192 UINTOUT();
2193 break;
2194 case 128: /* Forward multiple */
2195 ND_PRINT((ndo, " fromtrans"));
2196 UINTOUT();
2197 ND_PRINT((ndo, " fromdate"));
2198 DATEOUT();
2199 {
2200 unsigned long i, j;
2201 ND_TCHECK2(bp[0], 4);
2202 j = EXTRACT_32BITS(bp);
2203 bp += sizeof(int32_t);
2204 for (i = 0; i < j; i++) {
2205 DESTSERVEROUT();
2206 if (i != j - 1)
2207 ND_PRINT((ndo, ","));
2208 }
2209 if (j == 0)
2210 ND_PRINT((ndo, " <none!>"));
2211 }
2212 break;
2213 case 65538: /* Dump version 2 */
2214 ND_PRINT((ndo, " fromtrans"));
2215 UINTOUT();
2216 ND_PRINT((ndo, " fromdate"));
2217 DATEOUT();
2218 ND_PRINT((ndo, " flags"));
2219 UINTOUT();
2220 break;
2221 default:
2222 ;
2223 }
2224 return;
2225
2226 trunc:
2227 ND_PRINT((ndo, " [|vol]"));
2228 }
2229
2230 /*
2231 * Handle replies to the AFS Volume Service
2232 */
2233
2234 static void
2235 vol_reply_print(netdissect_options *ndo,
2236 register const u_char *bp, int length, int32_t opcode)
2237 {
2238 const struct rx_header *rxh;
2239
2240 if (length <= (int)sizeof(struct rx_header))
2241 return;
2242
2243 rxh = (const struct rx_header *) bp;
2244
2245 /*
2246 * Print out the afs call we're invoking. The table used here was
2247 * gleaned from volser/volint.xg
2248 */
2249
2250 ND_PRINT((ndo, " vol reply %s", tok2str(vol_req, "op#%d", opcode)));
2251
2252 bp += sizeof(struct rx_header);
2253
2254 /*
2255 * If it was a data packet, interpret the response.
2256 */
2257
2258 if (rxh->type == RX_PACKET_TYPE_DATA) {
2259 switch (opcode) {
2260 case 100: /* Create volume */
2261 ND_PRINT((ndo, " volid"));
2262 UINTOUT();
2263 ND_PRINT((ndo, " trans"));
2264 UINTOUT();
2265 break;
2266 case 104: /* End transaction */
2267 UINTOUT();
2268 break;
2269 case 105: /* Clone */
2270 ND_PRINT((ndo, " newvol"));
2271 UINTOUT();
2272 break;
2273 case 107: /* Get flags */
2274 UINTOUT();
2275 break;
2276 case 108: /* Transaction create */
2277 ND_PRINT((ndo, " trans"));
2278 UINTOUT();
2279 break;
2280 case 110: /* Get n-th volume */
2281 ND_PRINT((ndo, " volume"));
2282 UINTOUT();
2283 ND_PRINT((ndo, " partition"));
2284 UINTOUT();
2285 break;
2286 case 112: /* Get name */
2287 STROUT(AFSNAMEMAX);
2288 break;
2289 case 113: /* Get status */
2290 ND_PRINT((ndo, " volid"));
2291 UINTOUT();
2292 ND_PRINT((ndo, " nextuniq"));
2293 UINTOUT();
2294 ND_PRINT((ndo, " type"));
2295 UINTOUT();
2296 ND_PRINT((ndo, " parentid"));
2297 UINTOUT();
2298 ND_PRINT((ndo, " clone"));
2299 UINTOUT();
2300 ND_PRINT((ndo, " backup"));
2301 UINTOUT();
2302 ND_PRINT((ndo, " restore"));
2303 UINTOUT();
2304 ND_PRINT((ndo, " maxquota"));
2305 UINTOUT();
2306 ND_PRINT((ndo, " minquota"));
2307 UINTOUT();
2308 ND_PRINT((ndo, " owner"));
2309 UINTOUT();
2310 ND_PRINT((ndo, " create"));
2311 DATEOUT();
2312 ND_PRINT((ndo, " access"));
2313 DATEOUT();
2314 ND_PRINT((ndo, " update"));
2315 DATEOUT();
2316 ND_PRINT((ndo, " expire"));
2317 DATEOUT();
2318 ND_PRINT((ndo, " backup"));
2319 DATEOUT();
2320 ND_PRINT((ndo, " copy"));
2321 DATEOUT();
2322 break;
2323 case 115: /* Old list partitions */
2324 break;
2325 case 116: /* List volumes */
2326 case 121: /* List one volume */
2327 {
2328 unsigned long i, j;
2329 ND_TCHECK2(bp[0], 4);
2330 j = EXTRACT_32BITS(bp);
2331 bp += sizeof(int32_t);
2332 for (i = 0; i < j; i++) {
2333 ND_PRINT((ndo, " name"));
2334 VECOUT(32);
2335 ND_PRINT((ndo, " volid"));
2336 UINTOUT();
2337 ND_PRINT((ndo, " type"));
2338 bp += sizeof(int32_t) * 21;
2339 if (i != j - 1)
2340 ND_PRINT((ndo, ","));
2341 }
2342 if (j == 0)
2343 ND_PRINT((ndo, " <none!>"));
2344 }
2345 break;
2346
2347
2348 default:
2349 ;
2350 }
2351 } else {
2352 /*
2353 * Otherwise, just print out the return code
2354 */
2355 ND_PRINT((ndo, " errcode"));
2356 INTOUT();
2357 }
2358
2359 return;
2360
2361 trunc:
2362 ND_PRINT((ndo, " [|vol]"));
2363 }
2364
2365 /*
2366 * Handle calls to the AFS BOS service
2367 */
2368
2369 static void
2370 bos_print(netdissect_options *ndo,
2371 register const u_char *bp, int length)
2372 {
2373 int bos_op;
2374
2375 if (length <= (int)sizeof(struct rx_header))
2376 return;
2377
2378 if (ndo->ndo_snapend - bp + 1 <= (int)(sizeof(struct rx_header) + sizeof(int32_t))) {
2379 goto trunc;
2380 }
2381
2382 /*
2383 * Print out the afs call we're invoking. The table used here was
2384 * gleaned from bozo/bosint.xg
2385 */
2386
2387 bos_op = EXTRACT_32BITS(bp + sizeof(struct rx_header));
2388
2389 ND_PRINT((ndo, " bos call %s", tok2str(bos_req, "op#%d", bos_op)));
2390
2391 /*
2392 * Decode some of the arguments to the BOS calls
2393 */
2394
2395 bp += sizeof(struct rx_header) + 4;
2396
2397 switch (bos_op) {
2398 case 80: /* Create B node */
2399 ND_PRINT((ndo, " type"));
2400 STROUT(BOSNAMEMAX);
2401 ND_PRINT((ndo, " instance"));
2402 STROUT(BOSNAMEMAX);
2403 break;
2404 case 81: /* Delete B node */
2405 case 83: /* Get status */
2406 case 85: /* Get instance info */
2407 case 87: /* Add super user */
2408 case 88: /* Delete super user */
2409 case 93: /* Set cell name */
2410 case 96: /* Add cell host */
2411 case 97: /* Delete cell host */
2412 case 104: /* Restart */
2413 case 106: /* Uninstall */
2414 case 108: /* Exec */
2415 case 112: /* Getlog */
2416 case 114: /* Get instance strings */
2417 STROUT(BOSNAMEMAX);
2418 break;
2419 case 82: /* Set status */
2420 case 98: /* Set T status */
2421 STROUT(BOSNAMEMAX);
2422 ND_PRINT((ndo, " status"));
2423 INTOUT();
2424 break;
2425 case 86: /* Get instance parm */
2426 STROUT(BOSNAMEMAX);
2427 ND_PRINT((ndo, " num"));
2428 INTOUT();
2429 break;
2430 case 84: /* Enumerate instance */
2431 case 89: /* List super users */
2432 case 90: /* List keys */
2433 case 91: /* Add key */
2434 case 92: /* Delete key */
2435 case 95: /* Get cell host */
2436 INTOUT();
2437 break;
2438 case 105: /* Install */
2439 STROUT(BOSNAMEMAX);
2440 ND_PRINT((ndo, " size"));
2441 INTOUT();
2442 ND_PRINT((ndo, " flags"));
2443 INTOUT();
2444 ND_PRINT((ndo, " date"));
2445 INTOUT();
2446 break;
2447 default:
2448 ;
2449 }
2450
2451 return;
2452
2453 trunc:
2454 ND_PRINT((ndo, " [|bos]"));
2455 }
2456
2457 /*
2458 * Handle replies to the AFS BOS Service
2459 */
2460
2461 static void
2462 bos_reply_print(netdissect_options *ndo,
2463 register const u_char *bp, int length, int32_t opcode)
2464 {
2465 const struct rx_header *rxh;
2466
2467 if (length <= (int)sizeof(struct rx_header))
2468 return;
2469
2470 rxh = (const struct rx_header *) bp;
2471
2472 /*
2473 * Print out the afs call we're invoking. The table used here was
2474 * gleaned from volser/volint.xg
2475 */
2476
2477 ND_PRINT((ndo, " bos reply %s", tok2str(bos_req, "op#%d", opcode)));
2478
2479 bp += sizeof(struct rx_header);
2480
2481 /*
2482 * If it was a data packet, interpret the response.
2483 */
2484
2485 if (rxh->type == RX_PACKET_TYPE_DATA)
2486 /* Well, no, not really. Leave this for later */
2487 ;
2488 else {
2489 /*
2490 * Otherwise, just print out the return code
2491 */
2492 ND_PRINT((ndo, " errcode"));
2493 INTOUT();
2494 }
2495
2496 return;
2497
2498 trunc:
2499 ND_PRINT((ndo, " [|bos]"));
2500 }
2501
2502 /*
2503 * Check to see if this is a Ubik opcode.
2504 */
2505
2506 static int
2507 is_ubik(uint32_t opcode)
2508 {
2509 if ((opcode >= VOTE_LOW && opcode <= VOTE_HIGH) ||
2510 (opcode >= DISK_LOW && opcode <= DISK_HIGH))
2511 return(1);
2512 else
2513 return(0);
2514 }
2515
2516 /*
2517 * Handle Ubik opcodes to any one of the replicated database services
2518 */
2519
2520 static void
2521 ubik_print(netdissect_options *ndo,
2522 register const u_char *bp)
2523 {
2524 int ubik_op;
2525 int32_t temp;
2526
2527 /*
2528 * Print out the afs call we're invoking. The table used here was
2529 * gleaned from ubik/ubik_int.xg
2530 */
2531
2532 ubik_op = EXTRACT_32BITS(bp + sizeof(struct rx_header));
2533
2534 ND_PRINT((ndo, " ubik call %s", tok2str(ubik_req, "op#%d", ubik_op)));
2535
2536 /*
2537 * Decode some of the arguments to the Ubik calls
2538 */
2539
2540 bp += sizeof(struct rx_header) + 4;
2541
2542 switch (ubik_op) {
2543 case 10000: /* Beacon */
2544 ND_TCHECK2(bp[0], 4);
2545 temp = EXTRACT_32BITS(bp);
2546 bp += sizeof(int32_t);
2547 ND_PRINT((ndo, " syncsite %s", temp ? "yes" : "no"));
2548 ND_PRINT((ndo, " votestart"));
2549 DATEOUT();
2550 ND_PRINT((ndo, " dbversion"));
2551 UBIK_VERSIONOUT();
2552 ND_PRINT((ndo, " tid"));
2553 UBIK_VERSIONOUT();
2554 break;
2555 case 10003: /* Get sync site */
2556 ND_PRINT((ndo, " site"));
2557 UINTOUT();
2558 break;
2559 case 20000: /* Begin */
2560 case 20001: /* Commit */
2561 case 20007: /* Abort */
2562 case 20008: /* Release locks */
2563 case 20010: /* Writev */
2564 ND_PRINT((ndo, " tid"));
2565 UBIK_VERSIONOUT();
2566 break;
2567 case 20002: /* Lock */
2568 ND_PRINT((ndo, " tid"));
2569 UBIK_VERSIONOUT();
2570 ND_PRINT((ndo, " file"));
2571 INTOUT();
2572 ND_PRINT((ndo, " pos"));
2573 INTOUT();
2574 ND_PRINT((ndo, " length"));
2575 INTOUT();
2576 temp = EXTRACT_32BITS(bp);
2577 bp += sizeof(int32_t);
2578 tok2str(ubik_lock_types, "type %d", temp);
2579 break;
2580 case 20003: /* Write */
2581 ND_PRINT((ndo, " tid"));
2582 UBIK_VERSIONOUT();
2583 ND_PRINT((ndo, " file"));
2584 INTOUT();
2585 ND_PRINT((ndo, " pos"));
2586 INTOUT();
2587 break;
2588 case 20005: /* Get file */
2589 ND_PRINT((ndo, " file"));
2590 INTOUT();
2591 break;
2592 case 20006: /* Send file */
2593 ND_PRINT((ndo, " file"));
2594 INTOUT();
2595 ND_PRINT((ndo, " length"));
2596 INTOUT();
2597 ND_PRINT((ndo, " dbversion"));
2598 UBIK_VERSIONOUT();
2599 break;
2600 case 20009: /* Truncate */
2601 ND_PRINT((ndo, " tid"));
2602 UBIK_VERSIONOUT();
2603 ND_PRINT((ndo, " file"));
2604 INTOUT();
2605 ND_PRINT((ndo, " length"));
2606 INTOUT();
2607 break;
2608 case 20012: /* Set version */
2609 ND_PRINT((ndo, " tid"));
2610 UBIK_VERSIONOUT();
2611 ND_PRINT((ndo, " oldversion"));
2612 UBIK_VERSIONOUT();
2613 ND_PRINT((ndo, " newversion"));
2614 UBIK_VERSIONOUT();
2615 break;
2616 default:
2617 ;
2618 }
2619
2620 return;
2621
2622 trunc:
2623 ND_PRINT((ndo, " [|ubik]"));
2624 }
2625
2626 /*
2627 * Handle Ubik replies to any one of the replicated database services
2628 */
2629
2630 static void
2631 ubik_reply_print(netdissect_options *ndo,
2632 register const u_char *bp, int length, int32_t opcode)
2633 {
2634 const struct rx_header *rxh;
2635
2636 if (length < (int)sizeof(struct rx_header))
2637 return;
2638
2639 rxh = (const struct rx_header *) bp;
2640
2641 /*
2642 * Print out the ubik call we're invoking. This table was gleaned
2643 * from ubik/ubik_int.xg
2644 */
2645
2646 ND_PRINT((ndo, " ubik reply %s", tok2str(ubik_req, "op#%d", opcode)));
2647
2648 bp += sizeof(struct rx_header);
2649
2650 /*
2651 * If it was a data packet, print out the arguments to the Ubik calls
2652 */
2653
2654 if (rxh->type == RX_PACKET_TYPE_DATA)
2655 switch (opcode) {
2656 case 10000: /* Beacon */
2657 ND_PRINT((ndo, " vote no"));
2658 break;
2659 case 20004: /* Get version */
2660 ND_PRINT((ndo, " dbversion"));
2661 UBIK_VERSIONOUT();
2662 break;
2663 default:
2664 ;
2665 }
2666
2667 /*
2668 * Otherwise, print out "yes" it it was a beacon packet (because
2669 * that's how yes votes are returned, go figure), otherwise
2670 * just print out the error code.
2671 */
2672
2673 else
2674 switch (opcode) {
2675 case 10000: /* Beacon */
2676 ND_PRINT((ndo, " vote yes until"));
2677 DATEOUT();
2678 break;
2679 default:
2680 ND_PRINT((ndo, " errcode"));
2681 INTOUT();
2682 }
2683
2684 return;
2685
2686 trunc:
2687 ND_PRINT((ndo, " [|ubik]"));
2688 }
2689
2690 /*
2691 * Handle RX ACK packets.
2692 */
2693
2694 static void
2695 rx_ack_print(netdissect_options *ndo,
2696 register const u_char *bp, int length)
2697 {
2698 const struct rx_ackPacket *rxa;
2699 int i, start, last;
2700 uint32_t firstPacket;
2701
2702 if (length < (int)sizeof(struct rx_header))
2703 return;
2704
2705 bp += sizeof(struct rx_header);
2706
2707 /*
2708 * This may seem a little odd .... the rx_ackPacket structure
2709 * contains an array of individual packet acknowledgements
2710 * (used for selective ack/nack), but since it's variable in size,
2711 * we don't want to truncate based on the size of the whole
2712 * rx_ackPacket structure.
2713 */
2714
2715 ND_TCHECK2(bp[0], sizeof(struct rx_ackPacket) - RX_MAXACKS);
2716
2717 rxa = (const struct rx_ackPacket *) bp;
2718 bp += (sizeof(struct rx_ackPacket) - RX_MAXACKS);
2719
2720 /*
2721 * Print out a few useful things from the ack packet structure
2722 */
2723
2724 if (ndo->ndo_vflag > 2)
2725 ND_PRINT((ndo, " bufspace %d maxskew %d",
2726 (int) EXTRACT_16BITS(&rxa->bufferSpace),
2727 (int) EXTRACT_16BITS(&rxa->maxSkew)));
2728
2729 firstPacket = EXTRACT_32BITS(&rxa->firstPacket);
2730 ND_PRINT((ndo, " first %d serial %d reason %s",
2731 firstPacket, EXTRACT_32BITS(&rxa->serial),
2732 tok2str(rx_ack_reasons, "#%d", (int) rxa->reason)));
2733
2734 /*
2735 * Okay, now we print out the ack array. The way _this_ works
2736 * is that we start at "first", and step through the ack array.
2737 * If we have a contiguous range of acks/nacks, try to
2738 * collapse them into a range.
2739 *
2740 * If you're really clever, you might have noticed that this
2741 * doesn't seem quite correct. Specifically, due to structure
2742 * padding, sizeof(struct rx_ackPacket) - RX_MAXACKS won't actually
2743 * yield the start of the ack array (because RX_MAXACKS is 255
2744 * and the structure will likely get padded to a 2 or 4 byte
2745 * boundary). However, this is the way it's implemented inside
2746 * of AFS - the start of the extra fields are at
2747 * sizeof(struct rx_ackPacket) - RX_MAXACKS + nAcks, which _isn't_
2748 * the exact start of the ack array. Sigh. That's why we aren't
2749 * using bp, but instead use rxa->acks[]. But nAcks gets added
2750 * to bp after this, so bp ends up at the right spot. Go figure.
2751 */
2752
2753 if (rxa->nAcks != 0) {
2754
2755 ND_TCHECK2(bp[0], rxa->nAcks);
2756
2757 /*
2758 * Sigh, this is gross, but it seems to work to collapse
2759 * ranges correctly.
2760 */
2761
2762 for (i = 0, start = last = -2; i < rxa->nAcks; i++)
2763 if (rxa->acks[i] == RX_ACK_TYPE_ACK) {
2764
2765 /*
2766 * I figured this deserved _some_ explanation.
2767 * First, print "acked" and the packet seq
2768 * number if this is the first time we've
2769 * seen an acked packet.
2770 */
2771
2772 if (last == -2) {
2773 ND_PRINT((ndo, " acked %d", firstPacket + i));
2774 start = i;
2775 }
2776
2777 /*
2778 * Otherwise, if there is a skip in
2779 * the range (such as an nacked packet in
2780 * the middle of some acked packets),
2781 * then print the current packet number
2782 * seperated from the last number by
2783 * a comma.
2784 */
2785
2786 else if (last != i - 1) {
2787 ND_PRINT((ndo, ",%d", firstPacket + i));
2788 start = i;
2789 }
2790
2791 /*
2792 * We always set last to the value of
2793 * the last ack we saw. Conversely, start
2794 * is set to the value of the first ack
2795 * we saw in a range.
2796 */
2797
2798 last = i;
2799
2800 /*
2801 * Okay, this bit a code gets executed when
2802 * we hit a nack ... in _this_ case we
2803 * want to print out the range of packets
2804 * that were acked, so we need to print
2805 * the _previous_ packet number seperated
2806 * from the first by a dash (-). Since we
2807 * already printed the first packet above,
2808 * just print the final packet. Don't
2809 * do this if there will be a single-length
2810 * range.
2811 */
2812 } else if (last == i - 1 && start != last)
2813 ND_PRINT((ndo, "-%d", firstPacket + i - 1));
2814
2815 /*
2816 * So, what's going on here? We ran off the end of the
2817 * ack list, and if we got a range we need to finish it up.
2818 * So we need to determine if the last packet in the list
2819 * was an ack (if so, then last will be set to it) and
2820 * we need to see if the last range didn't start with the
2821 * last packet (because if it _did_, then that would mean
2822 * that the packet number has already been printed and
2823 * we don't need to print it again).
2824 */
2825
2826 if (last == i - 1 && start != last)
2827 ND_PRINT((ndo, "-%d", firstPacket + i - 1));
2828
2829 /*
2830 * Same as above, just without comments
2831 */
2832
2833 for (i = 0, start = last = -2; i < rxa->nAcks; i++)
2834 if (rxa->acks[i] == RX_ACK_TYPE_NACK) {
2835 if (last == -2) {
2836 ND_PRINT((ndo, " nacked %d", firstPacket + i));
2837 start = i;
2838 } else if (last != i - 1) {
2839 ND_PRINT((ndo, ",%d", firstPacket + i));
2840 start = i;
2841 }
2842 last = i;
2843 } else if (last == i - 1 && start != last)
2844 ND_PRINT((ndo, "-%d", firstPacket + i - 1));
2845
2846 if (last == i - 1 && start != last)
2847 ND_PRINT((ndo, "-%d", firstPacket + i - 1));
2848
2849 bp += rxa->nAcks;
2850 }
2851
2852
2853 /*
2854 * These are optional fields; depending on your version of AFS,
2855 * you may or may not see them
2856 */
2857
2858 #define TRUNCRET(n) if (ndo->ndo_snapend - bp + 1 <= n) return;
2859
2860 if (ndo->ndo_vflag > 1) {
2861 TRUNCRET(4);
2862 ND_PRINT((ndo, " ifmtu"));
2863 INTOUT();
2864
2865 TRUNCRET(4);
2866 ND_PRINT((ndo, " maxmtu"));
2867 INTOUT();
2868
2869 TRUNCRET(4);
2870 ND_PRINT((ndo, " rwind"));
2871 INTOUT();
2872
2873 TRUNCRET(4);
2874 ND_PRINT((ndo, " maxpackets"));
2875 INTOUT();
2876 }
2877
2878 return;
2879
2880 trunc:
2881 ND_PRINT((ndo, " [|ack]"));
2882 }
2883 #undef TRUNCRET
[mirror] the TCPdump network dissector