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The behavior of -m introduced in r1.4 leads to an error message upon
[dragonfly.git] / contrib / tcpdump-3.9 / print-rx.c
blobd99106660ee77e6b364af70cd9f99aecfbbcef0e
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 #ifndef lint
36 static const char rcsid[] _U_ =
37 "@(#) $Header: /tcpdump/master/tcpdump/print-rx.c,v 1.37.2.2 2007/06/15 19:43:15 guy Exp $";
38 #endif
39
40 #ifdef HAVE_CONFIG_H
41 #include "config.h"
42 #endif
43
44 #include <stdio.h>
45 #include <stdlib.h>
46 #include <string.h>
47 #include <tcpdump-stdinc.h>
48
49 #include "interface.h"
50 #include "addrtoname.h"
51 #include "extract.h"
52
53 #include "rx.h"
54
55 #include "ip.h"
56
57 static struct tok rx_types[] = {
58 { RX_PACKET_TYPE_DATA, "data" },
59 { RX_PACKET_TYPE_ACK, "ack" },
60 { RX_PACKET_TYPE_BUSY, "busy" },
61 { RX_PACKET_TYPE_ABORT, "abort" },
62 { RX_PACKET_TYPE_ACKALL, "ackall" },
63 { RX_PACKET_TYPE_CHALLENGE, "challenge" },
64 { RX_PACKET_TYPE_RESPONSE, "response" },
65 { RX_PACKET_TYPE_DEBUG, "debug" },
66 { RX_PACKET_TYPE_PARAMS, "params" },
67 { RX_PACKET_TYPE_VERSION, "version" },
68 { 0, NULL },
69 };
70
71 static struct double_tok {
72 int flag; /* Rx flag */
73 int packetType; /* Packet type */
74 const char *s; /* Flag string */
75 } rx_flags[] = {
76 { RX_CLIENT_INITIATED, 0, "client-init" },
77 { RX_REQUEST_ACK, 0, "req-ack" },
78 { RX_LAST_PACKET, 0, "last-pckt" },
79 { RX_MORE_PACKETS, 0, "more-pckts" },
80 { RX_FREE_PACKET, 0, "free-pckt" },
81 { RX_SLOW_START_OK, RX_PACKET_TYPE_ACK, "slow-start" },
82 { RX_JUMBO_PACKET, RX_PACKET_TYPE_DATA, "jumbogram" }
83 };
84
85 static struct tok fs_req[] = {
86 { 130, "fetch-data" },
87 { 131, "fetch-acl" },
88 { 132, "fetch-status" },
89 { 133, "store-data" },
90 { 134, "store-acl" },
91 { 135, "store-status" },
92 { 136, "remove-file" },
93 { 137, "create-file" },
94 { 138, "rename" },
95 { 139, "symlink" },
96 { 140, "link" },
97 { 141, "makedir" },
98 { 142, "rmdir" },
99 { 143, "oldsetlock" },
100 { 144, "oldextlock" },
101 { 145, "oldrellock" },
102 { 146, "get-stats" },
103 { 147, "give-cbs" },
104 { 148, "get-vlinfo" },
105 { 149, "get-vlstats" },
106 { 150, "set-vlstats" },
107 { 151, "get-rootvl" },
108 { 152, "check-token" },
109 { 153, "get-time" },
110 { 154, "nget-vlinfo" },
111 { 155, "bulk-stat" },
112 { 156, "setlock" },
113 { 157, "extlock" },
114 { 158, "rellock" },
115 { 159, "xstat-ver" },
116 { 160, "get-xstat" },
117 { 161, "dfs-lookup" },
118 { 162, "dfs-flushcps" },
119 { 163, "dfs-symlink" },
120 { 220, "residency" },
121 { 0, NULL },
122 };
123
124 static struct tok cb_req[] = {
125 { 204, "callback" },
126 { 205, "initcb" },
127 { 206, "probe" },
128 { 207, "getlock" },
129 { 208, "getce" },
130 { 209, "xstatver" },
131 { 210, "getxstat" },
132 { 211, "initcb2" },
133 { 212, "whoareyou" },
134 { 213, "initcb3" },
135 { 214, "probeuuid" },
136 { 215, "getsrvprefs" },
137 { 216, "getcellservdb" },
138 { 217, "getlocalcell" },
139 { 218, "getcacheconf" },
140 { 0, NULL },
141 };
142
143 static struct tok pt_req[] = {
144 { 500, "new-user" },
145 { 501, "where-is-it" },
146 { 502, "dump-entry" },
147 { 503, "add-to-group" },
148 { 504, "name-to-id" },
149 { 505, "id-to-name" },
150 { 506, "delete" },
151 { 507, "remove-from-group" },
152 { 508, "get-cps" },
153 { 509, "new-entry" },
154 { 510, "list-max" },
155 { 511, "set-max" },
156 { 512, "list-entry" },
157 { 513, "change-entry" },
158 { 514, "list-elements" },
159 { 515, "same-mbr-of" },
160 { 516, "set-fld-sentry" },
161 { 517, "list-owned" },
162 { 518, "get-cps2" },
163 { 519, "get-host-cps" },
164 { 520, "update-entry" },
165 { 521, "list-entries" },
166 { 0, NULL },
167 };
168
169 static struct tok vldb_req[] = {
170 { 501, "create-entry" },
171 { 502, "delete-entry" },
172 { 503, "get-entry-by-id" },
173 { 504, "get-entry-by-name" },
174 { 505, "get-new-volume-id" },
175 { 506, "replace-entry" },
176 { 507, "update-entry" },
177 { 508, "setlock" },
178 { 509, "releaselock" },
179 { 510, "list-entry" },
180 { 511, "list-attrib" },
181 { 512, "linked-list" },
182 { 513, "get-stats" },
183 { 514, "probe" },
184 { 515, "get-addrs" },
185 { 516, "change-addr" },
186 { 517, "create-entry-n" },
187 { 518, "get-entry-by-id-n" },
188 { 519, "get-entry-by-name-n" },
189 { 520, "replace-entry-n" },
190 { 521, "list-entry-n" },
191 { 522, "list-attrib-n" },
192 { 523, "linked-list-n" },
193 { 524, "update-entry-by-name" },
194 { 525, "create-entry-u" },
195 { 526, "get-entry-by-id-u" },
196 { 527, "get-entry-by-name-u" },
197 { 528, "replace-entry-u" },
198 { 529, "list-entry-u" },
199 { 530, "list-attrib-u" },
200 { 531, "linked-list-u" },
201 { 532, "regaddr" },
202 { 533, "get-addrs-u" },
203 { 534, "list-attrib-n2" },
204 { 0, NULL },
205 };
206
207 static struct tok kauth_req[] = {
208 { 1, "auth-old" },
209 { 21, "authenticate" },
210 { 22, "authenticate-v2" },
211 { 2, "change-pw" },
212 { 3, "get-ticket-old" },
213 { 23, "get-ticket" },
214 { 4, "set-pw" },
215 { 5, "set-fields" },
216 { 6, "create-user" },
217 { 7, "delete-user" },
218 { 8, "get-entry" },
219 { 9, "list-entry" },
220 { 10, "get-stats" },
221 { 11, "debug" },
222 { 12, "get-pw" },
223 { 13, "get-random-key" },
224 { 14, "unlock" },
225 { 15, "lock-status" },
226 { 0, NULL },
227 };
228
229 static struct tok vol_req[] = {
230 { 100, "create-volume" },
231 { 101, "delete-volume" },
232 { 102, "restore" },
233 { 103, "forward" },
234 { 104, "end-trans" },
235 { 105, "clone" },
236 { 106, "set-flags" },
237 { 107, "get-flags" },
238 { 108, "trans-create" },
239 { 109, "dump" },
240 { 110, "get-nth-volume" },
241 { 111, "set-forwarding" },
242 { 112, "get-name" },
243 { 113, "get-status" },
244 { 114, "sig-restore" },
245 { 115, "list-partitions" },
246 { 116, "list-volumes" },
247 { 117, "set-id-types" },
248 { 118, "monitor" },
249 { 119, "partition-info" },
250 { 120, "reclone" },
251 { 121, "list-one-volume" },
252 { 122, "nuke" },
253 { 123, "set-date" },
254 { 124, "x-list-volumes" },
255 { 125, "x-list-one-volume" },
256 { 126, "set-info" },
257 { 127, "x-list-partitions" },
258 { 128, "forward-multiple" },
259 { 0, NULL },
260 };
261
262 static struct tok bos_req[] = {
263 { 80, "create-bnode" },
264 { 81, "delete-bnode" },
265 { 82, "set-status" },
266 { 83, "get-status" },
267 { 84, "enumerate-instance" },
268 { 85, "get-instance-info" },
269 { 86, "get-instance-parm" },
270 { 87, "add-superuser" },
271 { 88, "delete-superuser" },
272 { 89, "list-superusers" },
273 { 90, "list-keys" },
274 { 91, "add-key" },
275 { 92, "delete-key" },
276 { 93, "set-cell-name" },
277 { 94, "get-cell-name" },
278 { 95, "get-cell-host" },
279 { 96, "add-cell-host" },
280 { 97, "delete-cell-host" },
281 { 98, "set-t-status" },
282 { 99, "shutdown-all" },
283 { 100, "restart-all" },
284 { 101, "startup-all" },
285 { 102, "set-noauth-flag" },
286 { 103, "re-bozo" },
287 { 104, "restart" },
288 { 105, "start-bozo-install" },
289 { 106, "uninstall" },
290 { 107, "get-dates" },
291 { 108, "exec" },
292 { 109, "prune" },
293 { 110, "set-restart-time" },
294 { 111, "get-restart-time" },
295 { 112, "start-bozo-log" },
296 { 113, "wait-all" },
297 { 114, "get-instance-strings" },
298 { 115, "get-restricted" },
299 { 116, "set-restricted" },
300 { 0, NULL },
301 };
302
303 static struct tok ubik_req[] = {
304 { 10000, "vote-beacon" },
305 { 10001, "vote-debug-old" },
306 { 10002, "vote-sdebug-old" },
307 { 10003, "vote-getsyncsite" },
308 { 10004, "vote-debug" },
309 { 10005, "vote-sdebug" },
310 { 20000, "disk-begin" },
311 { 20001, "disk-commit" },
312 { 20002, "disk-lock" },
313 { 20003, "disk-write" },
314 { 20004, "disk-getversion" },
315 { 20005, "disk-getfile" },
316 { 20006, "disk-sendfile" },
317 { 20007, "disk-abort" },
318 { 20008, "disk-releaselocks" },
319 { 20009, "disk-truncate" },
320 { 20010, "disk-probe" },
321 { 20011, "disk-writev" },
322 { 20012, "disk-interfaceaddr" },
323 { 20013, "disk-setversion" },
324 { 0, NULL },
325 };
326
327 #define VOTE_LOW 10000
328 #define VOTE_HIGH 10005
329 #define DISK_LOW 20000
330 #define DISK_HIGH 20013
331
332 static struct tok cb_types[] = {
333 { 1, "exclusive" },
334 { 2, "shared" },
335 { 3, "dropped" },
336 { 0, NULL },
337 };
338
339 static struct tok ubik_lock_types[] = {
340 { 1, "read" },
341 { 2, "write" },
342 { 3, "wait" },
343 { 0, NULL },
344 };
345
346 static const char *voltype[] = { "read-write", "read-only", "backup" };
347
348 static struct tok afs_fs_errors[] = {
349 { 101, "salvage volume" },
350 { 102, "no such vnode" },
351 { 103, "no such volume" },
352 { 104, "volume exist" },
353 { 105, "no service" },
354 { 106, "volume offline" },
355 { 107, "voline online" },
356 { 108, "diskfull" },
357 { 109, "diskquota exceeded" },
358 { 110, "volume busy" },
359 { 111, "volume moved" },
360 { 112, "AFS IO error" },
361 { -100, "restarting fileserver" },
362 { 0, NULL }
363 };
364
365 /*
366 * Reasons for acknowledging a packet
367 */
368
369 static struct tok rx_ack_reasons[] = {
370 { 1, "ack requested" },
371 { 2, "duplicate packet" },
372 { 3, "out of sequence" },
373 { 4, "exceeds window" },
374 { 5, "no buffer space" },
375 { 6, "ping" },
376 { 7, "ping response" },
377 { 8, "delay" },
378 { 9, "idle" },
379 { 0, NULL },
380 };
381
382 /*
383 * Cache entries we keep around so we can figure out the RX opcode
384 * numbers for replies. This allows us to make sense of RX reply packets.
385 */
386
387 struct rx_cache_entry {
388 u_int32_t callnum; /* Call number (net order) */
389 struct in_addr client; /* client IP address (net order) */
390 struct in_addr server; /* server IP address (net order) */
391 int dport; /* server port (host order) */
392 u_short serviceId; /* Service identifier (net order) */
393 u_int32_t opcode; /* RX opcode (host order) */
394 };
395
396 #define RX_CACHE_SIZE 64
397
398 static struct rx_cache_entry rx_cache[RX_CACHE_SIZE];
399
400 static int rx_cache_next = 0;
401 static int rx_cache_hint = 0;
402 static void rx_cache_insert(const u_char *, const struct ip *, int);
403 static int rx_cache_find(const struct rx_header *, const struct ip *,
404 int, int32_t *);
405
406 static void fs_print(const u_char *, int);
407 static void fs_reply_print(const u_char *, int, int32_t);
408 static void acl_print(u_char *, int, u_char *);
409 static void cb_print(const u_char *, int);
410 static void cb_reply_print(const u_char *, int, int32_t);
411 static void prot_print(const u_char *, int);
412 static void prot_reply_print(const u_char *, int, int32_t);
413 static void vldb_print(const u_char *, int);
414 static void vldb_reply_print(const u_char *, int, int32_t);
415 static void kauth_print(const u_char *, int);
416 static void kauth_reply_print(const u_char *, int, int32_t);
417 static void vol_print(const u_char *, int);
418 static void vol_reply_print(const u_char *, int, int32_t);
419 static void bos_print(const u_char *, int);
420 static void bos_reply_print(const u_char *, int, int32_t);
421 static void ubik_print(const u_char *);
422 static void ubik_reply_print(const u_char *, int, int32_t);
423
424 static void rx_ack_print(const u_char *, int);
425
426 static int is_ubik(u_int32_t);
427
428 /*
429 * Handle the rx-level packet. See if we know what port it's going to so
430 * we can peek at the afs call inside
431 */
432
433 void
434 rx_print(register const u_char *bp, int length, int sport, int dport,
435 u_char *bp2)
436 {
437 register struct rx_header *rxh;
438 int i;
439 int32_t opcode;
440
441 if (snapend - bp < (int)sizeof (struct rx_header)) {
442 printf(" [|rx] (%d)", length);
443 return;
444 }
445
446 rxh = (struct rx_header *) bp;
447
448 printf(" rx %s", tok2str(rx_types, "type %d", rxh->type));
449
450 if (vflag) {
451 int firstflag = 0;
452
453 if (vflag > 1)
454 printf(" cid %08x call# %d",
455 (int) EXTRACT_32BITS(&rxh->cid),
456 (int) EXTRACT_32BITS(&rxh->callNumber));
457
458 printf(" seq %d ser %d",
459 (int) EXTRACT_32BITS(&rxh->seq),
460 (int) EXTRACT_32BITS(&rxh->serial));
461
462 if (vflag > 2)
463 printf(" secindex %d serviceid %hu",
464 (int) rxh->securityIndex,
465 EXTRACT_16BITS(&rxh->serviceId));
466
467 if (vflag > 1)
468 for (i = 0; i < NUM_RX_FLAGS; i++) {
469 if (rxh->flags & rx_flags[i].flag &&
470 (!rx_flags[i].packetType ||
471 rxh->type == rx_flags[i].packetType)) {
472 if (!firstflag) {
473 firstflag = 1;
474 printf(" ");
475 } else {
476 printf(",");
477 }
478 printf("<%s>", rx_flags[i].s);
479 }
480 }
481 }
482
483 /*
484 * Try to handle AFS calls that we know about. Check the destination
485 * port and make sure it's a data packet. Also, make sure the
486 * seq number is 1 (because otherwise it's a continuation packet,
487 * and we can't interpret that). Also, seems that reply packets
488 * do not have the client-init flag set, so we check for that
489 * as well.
490 */
491
492 if (rxh->type == RX_PACKET_TYPE_DATA &&
493 EXTRACT_32BITS(&rxh->seq) == 1 &&
494 rxh->flags & RX_CLIENT_INITIATED) {
495
496 /*
497 * Insert this call into the call cache table, so we
498 * have a chance to print out replies
499 */
500
501 rx_cache_insert(bp, (const struct ip *) bp2, dport);
502
503 switch (dport) {
504 case FS_RX_PORT: /* AFS file service */
505 fs_print(bp, length);
506 break;
507 case CB_RX_PORT: /* AFS callback service */
508 cb_print(bp, length);
509 break;
510 case PROT_RX_PORT: /* AFS protection service */
511 prot_print(bp, length);
512 break;
513 case VLDB_RX_PORT: /* AFS VLDB service */
514 vldb_print(bp, length);
515 break;
516 case KAUTH_RX_PORT: /* AFS Kerberos auth service */
517 kauth_print(bp, length);
518 break;
519 case VOL_RX_PORT: /* AFS Volume service */
520 vol_print(bp, length);
521 break;
522 case BOS_RX_PORT: /* AFS BOS service */
523 bos_print(bp, length);
524 break;
525 default:
526 ;
527 }
528
529 /*
530 * If it's a reply (client-init is _not_ set, but seq is one)
531 * then look it up in the cache. If we find it, call the reply
532 * printing functions Note that we handle abort packets here,
533 * because printing out the return code can be useful at times.
534 */
535
536 } else if (((rxh->type == RX_PACKET_TYPE_DATA &&
537 EXTRACT_32BITS(&rxh->seq) == 1) ||
538 rxh->type == RX_PACKET_TYPE_ABORT) &&
539 (rxh->flags & RX_CLIENT_INITIATED) == 0 &&
540 rx_cache_find(rxh, (const struct ip *) bp2,
541 sport, &opcode)) {
542
543 switch (sport) {
544 case FS_RX_PORT: /* AFS file service */
545 fs_reply_print(bp, length, opcode);
546 break;
547 case CB_RX_PORT: /* AFS callback service */
548 cb_reply_print(bp, length, opcode);
549 break;
550 case PROT_RX_PORT: /* AFS PT service */
551 prot_reply_print(bp, length, opcode);
552 break;
553 case VLDB_RX_PORT: /* AFS VLDB service */
554 vldb_reply_print(bp, length, opcode);
555 break;
556 case KAUTH_RX_PORT: /* AFS Kerberos auth service */
557 kauth_reply_print(bp, length, opcode);
558 break;
559 case VOL_RX_PORT: /* AFS Volume service */
560 vol_reply_print(bp, length, opcode);
561 break;
562 case BOS_RX_PORT: /* AFS BOS service */
563 bos_reply_print(bp, length, opcode);
564 break;
565 default:
566 ;
567 }
568
569 /*
570 * If it's an RX ack packet, then use the appropriate ack decoding
571 * function (there isn't any service-specific information in the
572 * ack packet, so we can use one for all AFS services)
573 */
574
575 } else if (rxh->type == RX_PACKET_TYPE_ACK)
576 rx_ack_print(bp, length);
577
578
579 printf(" (%d)", length);
580 }
581
582 /*
583 * Insert an entry into the cache. Taken from print-nfs.c
584 */
585
586 static void
587 rx_cache_insert(const u_char *bp, const struct ip *ip, int dport)
588 {
589 struct rx_cache_entry *rxent;
590 const struct rx_header *rxh = (const struct rx_header *) bp;
591
592 if (snapend - bp + 1 <= (int)(sizeof(struct rx_header) + sizeof(int32_t)))
593 return;
594
595 rxent = &rx_cache[rx_cache_next];
596
597 if (++rx_cache_next >= RX_CACHE_SIZE)
598 rx_cache_next = 0;
599
600 rxent->callnum = rxh->callNumber;
601 rxent->client = ip->ip_src;
602 rxent->server = ip->ip_dst;
603 rxent->dport = dport;
604 rxent->serviceId = rxh->serviceId;
605 rxent->opcode = EXTRACT_32BITS(bp + sizeof(struct rx_header));
606 }
607
608 /*
609 * Lookup an entry in the cache. Also taken from print-nfs.c
610 *
611 * Note that because this is a reply, we're looking at the _source_
612 * port.
613 */
614
615 static int
616 rx_cache_find(const struct rx_header *rxh, const struct ip *ip, int sport,
617 int32_t *opcode)
618 {
619 int i;
620 struct rx_cache_entry *rxent;
621 u_int32_t clip = ip->ip_dst.s_addr;
622 u_int32_t sip = ip->ip_src.s_addr;
623
624 /* Start the search where we last left off */
625
626 i = rx_cache_hint;
627 do {
628 rxent = &rx_cache[i];
629 if (rxent->callnum == rxh->callNumber &&
630 rxent->client.s_addr == clip &&
631 rxent->server.s_addr == sip &&
632 rxent->serviceId == rxh->serviceId &&
633 rxent->dport == sport) {
634
635 /* We got a match! */
636
637 rx_cache_hint = i;
638 *opcode = rxent->opcode;
639 return(1);
640 }
641 if (++i > RX_CACHE_SIZE)
642 i = 0;
643 } while (i != rx_cache_hint);
644
645 /* Our search failed */
646 return(0);
647 }
648
649 /*
650 * These extrememly grody macros handle the printing of various AFS stuff.
651 */
652
653 #define FIDOUT() { unsigned long n1, n2, n3; \
654 TCHECK2(bp[0], sizeof(int32_t) * 3); \
655 n1 = EXTRACT_32BITS(bp); \
656 bp += sizeof(int32_t); \
657 n2 = EXTRACT_32BITS(bp); \
658 bp += sizeof(int32_t); \
659 n3 = EXTRACT_32BITS(bp); \
660 bp += sizeof(int32_t); \
661 printf(" fid %d/%d/%d", (int) n1, (int) n2, (int) n3); \
662 }
663
664 #define STROUT(MAX) { unsigned int i; \
665 TCHECK2(bp[0], sizeof(int32_t)); \
666 i = EXTRACT_32BITS(bp); \
667 if (i > (MAX)) \
668 goto trunc; \
669 bp += sizeof(int32_t); \
670 printf(" \""); \
671 if (fn_printn(bp, i, snapend)) \
672 goto trunc; \
673 printf("\""); \
674 bp += ((i + sizeof(int32_t) - 1) / sizeof(int32_t)) * sizeof(int32_t); \
675 }
676
677 #define INTOUT() { int i; \
678 TCHECK2(bp[0], sizeof(int32_t)); \
679 i = (int) EXTRACT_32BITS(bp); \
680 bp += sizeof(int32_t); \
681 printf(" %d", i); \
682 }
683
684 #define UINTOUT() { unsigned long i; \
685 TCHECK2(bp[0], sizeof(int32_t)); \
686 i = EXTRACT_32BITS(bp); \
687 bp += sizeof(int32_t); \
688 printf(" %lu", i); \
689 }
690
691 #define DATEOUT() { time_t t; struct tm *tm; char str[256]; \
692 TCHECK2(bp[0], sizeof(int32_t)); \
693 t = (time_t) EXTRACT_32BITS(bp); \
694 bp += sizeof(int32_t); \
695 tm = localtime(&t); \
696 strftime(str, 256, "%Y/%m/%d %T", tm); \
697 printf(" %s", str); \
698 }
699
700 #define STOREATTROUT() { unsigned long mask, i; \
701 TCHECK2(bp[0], (sizeof(int32_t)*6)); \
702 mask = EXTRACT_32BITS(bp); bp += sizeof(int32_t); \
703 if (mask) printf (" StoreStatus"); \
704 if (mask & 1) { printf(" date"); DATEOUT(); } \
705 else bp += sizeof(int32_t); \
706 i = EXTRACT_32BITS(bp); bp += sizeof(int32_t); \
707 if (mask & 2) printf(" owner %lu", i); \
708 i = EXTRACT_32BITS(bp); bp += sizeof(int32_t); \
709 if (mask & 4) printf(" group %lu", i); \
710 i = EXTRACT_32BITS(bp); bp += sizeof(int32_t); \
711 if (mask & 8) printf(" mode %lo", i & 07777); \
712 i = EXTRACT_32BITS(bp); bp += sizeof(int32_t); \
713 if (mask & 16) printf(" segsize %lu", i); \
714 /* undocumented in 3.3 docu */ \
715 if (mask & 1024) printf(" fsync"); \
716 }
717
718 #define UBIK_VERSIONOUT() {int32_t epoch; int32_t counter; \
719 TCHECK2(bp[0], sizeof(int32_t) * 2); \
720 epoch = EXTRACT_32BITS(bp); \
721 bp += sizeof(int32_t); \
722 counter = EXTRACT_32BITS(bp); \
723 bp += sizeof(int32_t); \
724 printf(" %d.%d", epoch, counter); \
725 }
726
727 #define AFSUUIDOUT() {u_int32_t temp; int i; \
728 TCHECK2(bp[0], 11*sizeof(u_int32_t)); \
729 temp = EXTRACT_32BITS(bp); \
730 bp += sizeof(u_int32_t); \
731 printf(" %08x", temp); \
732 temp = EXTRACT_32BITS(bp); \
733 bp += sizeof(u_int32_t); \
734 printf("%04x", temp); \
735 temp = EXTRACT_32BITS(bp); \
736 bp += sizeof(u_int32_t); \
737 printf("%04x", temp); \
738 for (i = 0; i < 8; i++) { \
739 temp = EXTRACT_32BITS(bp); \
740 bp += sizeof(u_int32_t); \
741 printf("%02x", (unsigned char) temp); \
742 } \
743 }
744
745 /*
746 * This is the sickest one of all
747 */
748
749 #define VECOUT(MAX) { u_char *sp; \
750 u_char s[AFSNAMEMAX]; \
751 int k; \
752 if ((MAX) + 1 > sizeof(s)) \
753 goto trunc; \
754 TCHECK2(bp[0], (MAX) * sizeof(int32_t)); \
755 sp = s; \
756 for (k = 0; k < (MAX); k++) { \
757 *sp++ = (u_char) EXTRACT_32BITS(bp); \
758 bp += sizeof(int32_t); \
759 } \
760 s[(MAX)] = '\0'; \
761 printf(" \""); \
762 fn_print(s, NULL); \
763 printf("\""); \
764 }
765
766 /*
767 * Handle calls to the AFS file service (fs)
768 */
769
770 static void
771 fs_print(register const u_char *bp, int length)
772 {
773 int fs_op;
774 unsigned long i;
775
776 if (length <= (int)sizeof(struct rx_header))
777 return;
778
779 if (snapend - bp + 1 <= (int)(sizeof(struct rx_header) + sizeof(int32_t))) {
780 goto trunc;
781 }
782
783 /*
784 * Print out the afs call we're invoking. The table used here was
785 * gleaned from fsint/afsint.xg
786 */
787
788 fs_op = EXTRACT_32BITS(bp + sizeof(struct rx_header));
789
790 printf(" fs call %s", tok2str(fs_req, "op#%d", fs_op));
791
792 /*
793 * Print out arguments to some of the AFS calls. This stuff is
794 * all from afsint.xg
795 */
796
797 bp += sizeof(struct rx_header) + 4;
798
799 /*
800 * Sigh. This is gross. Ritchie forgive me.
801 */
802
803 switch (fs_op) {
804 case 130: /* Fetch data */
805 FIDOUT();
806 printf(" offset");
807 UINTOUT();
808 printf(" length");
809 UINTOUT();
810 break;
811 case 131: /* Fetch ACL */
812 case 132: /* Fetch Status */
813 case 143: /* Old set lock */
814 case 144: /* Old extend lock */
815 case 145: /* Old release lock */
816 case 156: /* Set lock */
817 case 157: /* Extend lock */
818 case 158: /* Release lock */
819 FIDOUT();
820 break;
821 case 135: /* Store status */
822 FIDOUT();
823 STOREATTROUT();
824 break;
825 case 133: /* Store data */
826 FIDOUT();
827 STOREATTROUT();
828 printf(" offset");
829 UINTOUT();
830 printf(" length");
831 UINTOUT();
832 printf(" flen");
833 UINTOUT();
834 break;
835 case 134: /* Store ACL */
836 {
837 char a[AFSOPAQUEMAX+1];
838 FIDOUT();
839 TCHECK2(bp[0], 4);
840 i = EXTRACT_32BITS(bp);
841 bp += sizeof(int32_t);
842 TCHECK2(bp[0], i);
843 i = min(AFSOPAQUEMAX, i);
844 strncpy(a, (char *) bp, i);
845 a[i] = '\0';
846 acl_print((u_char *) a, sizeof(a), (u_char *) a + i);
847 break;
848 }
849 case 137: /* Create file */
850 case 141: /* MakeDir */
851 FIDOUT();
852 STROUT(AFSNAMEMAX);
853 STOREATTROUT();
854 break;
855 case 136: /* Remove file */
856 case 142: /* Remove directory */
857 FIDOUT();
858 STROUT(AFSNAMEMAX);
859 break;
860 case 138: /* Rename file */
861 printf(" old");
862 FIDOUT();
863 STROUT(AFSNAMEMAX);
864 printf(" new");
865 FIDOUT();
866 STROUT(AFSNAMEMAX);
867 break;
868 case 139: /* Symlink */
869 FIDOUT();
870 STROUT(AFSNAMEMAX);
871 printf(" link to");
872 STROUT(AFSNAMEMAX);
873 break;
874 case 140: /* Link */
875 FIDOUT();
876 STROUT(AFSNAMEMAX);
877 printf(" link to");
878 FIDOUT();
879 break;
880 case 148: /* Get volume info */
881 STROUT(AFSNAMEMAX);
882 break;
883 case 149: /* Get volume stats */
884 case 150: /* Set volume stats */
885 printf(" volid");
886 UINTOUT();
887 break;
888 case 154: /* New get volume info */
889 printf(" volname");
890 STROUT(AFSNAMEMAX);
891 break;
892 case 155: /* Bulk stat */
893 {
894 unsigned long j;
895 TCHECK2(bp[0], 4);
896 j = EXTRACT_32BITS(bp);
897 bp += sizeof(int32_t);
898
899 for (i = 0; i < j; i++) {
900 FIDOUT();
901 if (i != j - 1)
902 printf(",");
903 }
904 if (j == 0)
905 printf(" <none!>");
906 }
907 default:
908 ;
909 }
910
911 return;
912
913 trunc:
914 printf(" [|fs]");
915 }
916
917 /*
918 * Handle replies to the AFS file service
919 */
920
921 static void
922 fs_reply_print(register const u_char *bp, int length, int32_t opcode)
923 {
924 unsigned long i;
925 struct rx_header *rxh;
926
927 if (length <= (int)sizeof(struct rx_header))
928 return;
929
930 rxh = (struct rx_header *) bp;
931
932 /*
933 * Print out the afs call we're invoking. The table used here was
934 * gleaned from fsint/afsint.xg
935 */
936
937 printf(" fs reply %s", tok2str(fs_req, "op#%d", opcode));
938
939 bp += sizeof(struct rx_header);
940
941 /*
942 * If it was a data packet, interpret the response
943 */
944
945 if (rxh->type == RX_PACKET_TYPE_DATA) {
946 switch (opcode) {
947 case 131: /* Fetch ACL */
948 {
949 char a[AFSOPAQUEMAX+1];
950 TCHECK2(bp[0], 4);
951 i = EXTRACT_32BITS(bp);
952 bp += sizeof(int32_t);
953 TCHECK2(bp[0], i);
954 i = min(AFSOPAQUEMAX, i);
955 strncpy(a, (char *) bp, i);
956 a[i] = '\0';
957 acl_print((u_char *) a, sizeof(a), (u_char *) a + i);
958 break;
959 }
960 case 137: /* Create file */
961 case 141: /* MakeDir */
962 printf(" new");
963 FIDOUT();
964 break;
965 case 151: /* Get root volume */
966 printf(" root volume");
967 STROUT(AFSNAMEMAX);
968 break;
969 case 153: /* Get time */
970 DATEOUT();
971 break;
972 default:
973 ;
974 }
975 } else if (rxh->type == RX_PACKET_TYPE_ABORT) {
976 int i;
977
978 /*
979 * Otherwise, just print out the return code
980 */
981 TCHECK2(bp[0], sizeof(int32_t));
982 i = (int) EXTRACT_32BITS(bp);
983 bp += sizeof(int32_t);
984
985 printf(" error %s", tok2str(afs_fs_errors, "#%d", i));
986 } else {
987 printf(" strange fs reply of type %d", rxh->type);
988 }
989
990 return;
991
992 trunc:
993 printf(" [|fs]");
994 }
995
996 /*
997 * Print out an AFS ACL string. An AFS ACL is a string that has the
998 * following format:
999 *
1000 * <positive> <negative>
1001 * <uid1> <aclbits1>
1002 * ....
1003 *
1004 * "positive" and "negative" are integers which contain the number of
1005 * positive and negative ACL's in the string. The uid/aclbits pair are
1006 * ASCII strings containing the UID/PTS record and and a ascii number
1007 * representing a logical OR of all the ACL permission bits
1008 */
1009
1010 static void
1011 acl_print(u_char *s, int maxsize, u_char *end)
1012 {
1013 int pos, neg, acl;
1014 int n, i;
1015 char *user;
1016 char fmt[1024];
1017
1018 if ((user = (char *)malloc(maxsize)) == NULL)
1019 return;
1020
1021 if (sscanf((char *) s, "%d %d\n%n", &pos, &neg, &n) != 2)
1022 goto finish;
1023
1024 s += n;
1025
1026 if (s > end)
1027 goto finish;
1028
1029 /*
1030 * This wacky order preserves the order used by the "fs" command
1031 */
1032
1033 #define ACLOUT(acl) \
1034 if (acl & PRSFS_READ) \
1035 printf("r"); \
1036 if (acl & PRSFS_LOOKUP) \
1037 printf("l"); \
1038 if (acl & PRSFS_INSERT) \
1039 printf("i"); \
1040 if (acl & PRSFS_DELETE) \
1041 printf("d"); \
1042 if (acl & PRSFS_WRITE) \
1043 printf("w"); \
1044 if (acl & PRSFS_LOCK) \
1045 printf("k"); \
1046 if (acl & PRSFS_ADMINISTER) \
1047 printf("a");
1048
1049 for (i = 0; i < pos; i++) {
1050 snprintf(fmt, sizeof(fmt), "%%%ds %%d\n%%n", maxsize - 1);
1051 if (sscanf((char *) s, fmt, user, &acl, &n) != 2)
1052 goto finish;
1053 s += n;
1054 printf(" +{");
1055 fn_print((u_char *)user, NULL);
1056 printf(" ");
1057 ACLOUT(acl);
1058 printf("}");
1059 if (s > end)
1060 goto finish;
1061 }
1062
1063 for (i = 0; i < neg; i++) {
1064 snprintf(fmt, sizeof(fmt), "%%%ds %%d\n%%n", maxsize - 1);
1065 if (sscanf((char *) s, fmt, user, &acl, &n) != 2)
1066 goto finish;
1067 s += n;
1068 printf(" -{");
1069 fn_print((u_char *)user, NULL);
1070 printf(" ");
1071 ACLOUT(acl);
1072 printf("}");
1073 if (s > end)
1074 goto finish;
1075 }
1076
1077 finish:
1078 free(user);
1079 return;
1080 }
1081
1082 #undef ACLOUT
1083
1084 /*
1085 * Handle calls to the AFS callback service
1086 */
1087
1088 static void
1089 cb_print(register const u_char *bp, int length)
1090 {
1091 int cb_op;
1092 unsigned long i;
1093
1094 if (length <= (int)sizeof(struct rx_header))
1095 return;
1096
1097 if (snapend - bp + 1 <= (int)(sizeof(struct rx_header) + sizeof(int32_t))) {
1098 goto trunc;
1099 }
1100
1101 /*
1102 * Print out the afs call we're invoking. The table used here was
1103 * gleaned from fsint/afscbint.xg
1104 */
1105
1106 cb_op = EXTRACT_32BITS(bp + sizeof(struct rx_header));
1107
1108 printf(" cb call %s", tok2str(cb_req, "op#%d", cb_op));
1109
1110 bp += sizeof(struct rx_header) + 4;
1111
1112 /*
1113 * Print out the afs call we're invoking. The table used here was
1114 * gleaned from fsint/afscbint.xg
1115 */
1116
1117 switch (cb_op) {
1118 case 204: /* Callback */
1119 {
1120 unsigned long j, t;
1121 TCHECK2(bp[0], 4);
1122 j = EXTRACT_32BITS(bp);
1123 bp += sizeof(int32_t);
1124
1125 for (i = 0; i < j; i++) {
1126 FIDOUT();
1127 if (i != j - 1)
1128 printf(",");
1129 }
1130
1131 if (j == 0)
1132 printf(" <none!>");
1133
1134 j = EXTRACT_32BITS(bp);
1135 bp += sizeof(int32_t);
1136
1137 if (j != 0)
1138 printf(";");
1139
1140 for (i = 0; i < j; i++) {
1141 printf(" ver");
1142 INTOUT();
1143 printf(" expires");
1144 DATEOUT();
1145 TCHECK2(bp[0], 4);
1146 t = EXTRACT_32BITS(bp);
1147 bp += sizeof(int32_t);
1148 tok2str(cb_types, "type %d", t);
1149 }
1150 }
1151 case 214: {
1152 printf(" afsuuid");
1153 AFSUUIDOUT();
1154 break;
1155 }
1156 default:
1157 ;
1158 }
1159
1160 return;
1161
1162 trunc:
1163 printf(" [|cb]");
1164 }
1165
1166 /*
1167 * Handle replies to the AFS Callback Service
1168 */
1169
1170 static void
1171 cb_reply_print(register const u_char *bp, int length, int32_t opcode)
1172 {
1173 struct rx_header *rxh;
1174
1175 if (length <= (int)sizeof(struct rx_header))
1176 return;
1177
1178 rxh = (struct rx_header *) bp;
1179
1180 /*
1181 * Print out the afs call we're invoking. The table used here was
1182 * gleaned from fsint/afscbint.xg
1183 */
1184
1185 printf(" cb reply %s", tok2str(cb_req, "op#%d", opcode));
1186
1187 bp += sizeof(struct rx_header);
1188
1189 /*
1190 * If it was a data packet, interpret the response.
1191 */
1192
1193 if (rxh->type == RX_PACKET_TYPE_DATA)
1194 switch (opcode) {
1195 case 213: /* InitCallBackState3 */
1196 AFSUUIDOUT();
1197 break;
1198 default:
1199 ;
1200 }
1201 else {
1202 /*
1203 * Otherwise, just print out the return code
1204 */
1205 printf(" errcode");
1206 INTOUT();
1207 }
1208
1209 return;
1210
1211 trunc:
1212 printf(" [|cb]");
1213 }
1214
1215 /*
1216 * Handle calls to the AFS protection database server
1217 */
1218
1219 static void
1220 prot_print(register const u_char *bp, int length)
1221 {
1222 unsigned long i;
1223 int pt_op;
1224
1225 if (length <= (int)sizeof(struct rx_header))
1226 return;
1227
1228 if (snapend - bp + 1 <= (int)(sizeof(struct rx_header) + sizeof(int32_t))) {
1229 goto trunc;
1230 }
1231
1232 /*
1233 * Print out the afs call we're invoking. The table used here was
1234 * gleaned from ptserver/ptint.xg
1235 */
1236
1237 pt_op = EXTRACT_32BITS(bp + sizeof(struct rx_header));
1238
1239 printf(" pt");
1240
1241 if (is_ubik(pt_op)) {
1242 ubik_print(bp);
1243 return;
1244 }
1245
1246 printf(" call %s", tok2str(pt_req, "op#%d", pt_op));
1247
1248 /*
1249 * Decode some of the arguments to the PT calls
1250 */
1251
1252 bp += sizeof(struct rx_header) + 4;
1253
1254 switch (pt_op) {
1255 case 500: /* I New User */
1256 STROUT(PRNAMEMAX);
1257 printf(" id");
1258 INTOUT();
1259 printf(" oldid");
1260 INTOUT();
1261 break;
1262 case 501: /* Where is it */
1263 case 506: /* Delete */
1264 case 508: /* Get CPS */
1265 case 512: /* List entry */
1266 case 514: /* List elements */
1267 case 517: /* List owned */
1268 case 518: /* Get CPS2 */
1269 case 519: /* Get host CPS */
1270 printf(" id");
1271 INTOUT();
1272 break;
1273 case 502: /* Dump entry */
1274 printf(" pos");
1275 INTOUT();
1276 break;
1277 case 503: /* Add to group */
1278 case 507: /* Remove from group */
1279 case 515: /* Is a member of? */
1280 printf(" uid");
1281 INTOUT();
1282 printf(" gid");
1283 INTOUT();
1284 break;
1285 case 504: /* Name to ID */
1286 {
1287 unsigned long j;
1288 TCHECK2(bp[0], 4);
1289 j = EXTRACT_32BITS(bp);
1290 bp += sizeof(int32_t);
1291
1292 /*
1293 * Who designed this chicken-shit protocol?
1294 *
1295 * Each character is stored as a 32-bit
1296 * integer!
1297 */
1298
1299 for (i = 0; i < j; i++) {
1300 VECOUT(PRNAMEMAX);
1301 }
1302 if (j == 0)
1303 printf(" <none!>");
1304 }
1305 break;
1306 case 505: /* Id to name */
1307 {
1308 unsigned long j;
1309 printf(" ids:");
1310 TCHECK2(bp[0], 4);
1311 i = EXTRACT_32BITS(bp);
1312 bp += sizeof(int32_t);
1313 for (j = 0; j < i; j++)
1314 INTOUT();
1315 if (j == 0)
1316 printf(" <none!>");
1317 }
1318 break;
1319 case 509: /* New entry */
1320 STROUT(PRNAMEMAX);
1321 printf(" flag");
1322 INTOUT();
1323 printf(" oid");
1324 INTOUT();
1325 break;
1326 case 511: /* Set max */
1327 printf(" id");
1328 INTOUT();
1329 printf(" gflag");
1330 INTOUT();
1331 break;
1332 case 513: /* Change entry */
1333 printf(" id");
1334 INTOUT();
1335 STROUT(PRNAMEMAX);
1336 printf(" oldid");
1337 INTOUT();
1338 printf(" newid");
1339 INTOUT();
1340 break;
1341 case 520: /* Update entry */
1342 printf(" id");
1343 INTOUT();
1344 STROUT(PRNAMEMAX);
1345 break;
1346 default:
1347 ;
1348 }
1349
1350
1351 return;
1352
1353 trunc:
1354 printf(" [|pt]");
1355 }
1356
1357 /*
1358 * Handle replies to the AFS protection service
1359 */
1360
1361 static void
1362 prot_reply_print(register const u_char *bp, int length, int32_t opcode)
1363 {
1364 struct rx_header *rxh;
1365 unsigned long i;
1366
1367 if (length < (int)sizeof(struct rx_header))
1368 return;
1369
1370 rxh = (struct rx_header *) bp;
1371
1372 /*
1373 * Print out the afs call we're invoking. The table used here was
1374 * gleaned from ptserver/ptint.xg. Check to see if it's a
1375 * Ubik call, however.
1376 */
1377
1378 printf(" pt");
1379
1380 if (is_ubik(opcode)) {
1381 ubik_reply_print(bp, length, opcode);
1382 return;
1383 }
1384
1385 printf(" reply %s", tok2str(pt_req, "op#%d", opcode));
1386
1387 bp += sizeof(struct rx_header);
1388
1389 /*
1390 * If it was a data packet, interpret the response
1391 */
1392
1393 if (rxh->type == RX_PACKET_TYPE_DATA)
1394 switch (opcode) {
1395 case 504: /* Name to ID */
1396 {
1397 unsigned long j;
1398 printf(" ids:");
1399 TCHECK2(bp[0], 4);
1400 i = EXTRACT_32BITS(bp);
1401 bp += sizeof(int32_t);
1402 for (j = 0; j < i; j++)
1403 INTOUT();
1404 if (j == 0)
1405 printf(" <none!>");
1406 }
1407 break;
1408 case 505: /* ID to name */
1409 {
1410 unsigned long j;
1411 TCHECK2(bp[0], 4);
1412 j = EXTRACT_32BITS(bp);
1413 bp += sizeof(int32_t);
1414
1415 /*
1416 * Who designed this chicken-shit protocol?
1417 *
1418 * Each character is stored as a 32-bit
1419 * integer!
1420 */
1421
1422 for (i = 0; i < j; i++) {
1423 VECOUT(PRNAMEMAX);
1424 }
1425 if (j == 0)
1426 printf(" <none!>");
1427 }
1428 break;
1429 case 508: /* Get CPS */
1430 case 514: /* List elements */
1431 case 517: /* List owned */
1432 case 518: /* Get CPS2 */
1433 case 519: /* Get host CPS */
1434 {
1435 unsigned long j;
1436 TCHECK2(bp[0], 4);
1437 j = EXTRACT_32BITS(bp);
1438 bp += sizeof(int32_t);
1439 for (i = 0; i < j; i++) {
1440 INTOUT();
1441 }
1442 if (j == 0)
1443 printf(" <none!>");
1444 }
1445 break;
1446 case 510: /* List max */
1447 printf(" maxuid");
1448 INTOUT();
1449 printf(" maxgid");
1450 INTOUT();
1451 break;
1452 default:
1453 ;
1454 }
1455 else {
1456 /*
1457 * Otherwise, just print out the return code
1458 */
1459 printf(" errcode");
1460 INTOUT();
1461 }
1462
1463 return;
1464
1465 trunc:
1466 printf(" [|pt]");
1467 }
1468
1469 /*
1470 * Handle calls to the AFS volume location database service
1471 */
1472
1473 static void
1474 vldb_print(register const u_char *bp, int length)
1475 {
1476 int vldb_op;
1477 unsigned long i;
1478
1479 if (length <= (int)sizeof(struct rx_header))
1480 return;
1481
1482 if (snapend - bp + 1 <= (int)(sizeof(struct rx_header) + sizeof(int32_t))) {
1483 goto trunc;
1484 }
1485
1486 /*
1487 * Print out the afs call we're invoking. The table used here was
1488 * gleaned from vlserver/vldbint.xg
1489 */
1490
1491 vldb_op = EXTRACT_32BITS(bp + sizeof(struct rx_header));
1492
1493 printf(" vldb");
1494
1495 if (is_ubik(vldb_op)) {
1496 ubik_print(bp);
1497 return;
1498 }
1499 printf(" call %s", tok2str(vldb_req, "op#%d", vldb_op));
1500
1501 /*
1502 * Decode some of the arguments to the VLDB calls
1503 */
1504
1505 bp += sizeof(struct rx_header) + 4;
1506
1507 switch (vldb_op) {
1508 case 501: /* Create new volume */
1509 case 517: /* Create entry N */
1510 VECOUT(VLNAMEMAX);
1511 break;
1512 case 502: /* Delete entry */
1513 case 503: /* Get entry by ID */
1514 case 507: /* Update entry */
1515 case 508: /* Set lock */
1516 case 509: /* Release lock */
1517 case 518: /* Get entry by ID N */
1518 printf(" volid");
1519 INTOUT();
1520 TCHECK2(bp[0], sizeof(int32_t));
1521 i = EXTRACT_32BITS(bp);
1522 bp += sizeof(int32_t);
1523 if (i <= 2)
1524 printf(" type %s", voltype[i]);
1525 break;
1526 case 504: /* Get entry by name */
1527 case 519: /* Get entry by name N */
1528 case 524: /* Update entry by name */
1529 case 527: /* Get entry by name U */
1530 STROUT(VLNAMEMAX);
1531 break;
1532 case 505: /* Get new vol id */
1533 printf(" bump");
1534 INTOUT();
1535 break;
1536 case 506: /* Replace entry */
1537 case 520: /* Replace entry N */
1538 printf(" volid");
1539 INTOUT();
1540 TCHECK2(bp[0], sizeof(int32_t));
1541 i = EXTRACT_32BITS(bp);
1542 bp += sizeof(int32_t);
1543 if (i <= 2)
1544 printf(" type %s", voltype[i]);
1545 VECOUT(VLNAMEMAX);
1546 break;
1547 case 510: /* List entry */
1548 case 521: /* List entry N */
1549 printf(" index");
1550 INTOUT();
1551 break;
1552 default:
1553 ;
1554 }
1555
1556 return;
1557
1558 trunc:
1559 printf(" [|vldb]");
1560 }
1561
1562 /*
1563 * Handle replies to the AFS volume location database service
1564 */
1565
1566 static void
1567 vldb_reply_print(register const u_char *bp, int length, int32_t opcode)
1568 {
1569 struct rx_header *rxh;
1570 unsigned long i;
1571
1572 if (length < (int)sizeof(struct rx_header))
1573 return;
1574
1575 rxh = (struct rx_header *) bp;
1576
1577 /*
1578 * Print out the afs call we're invoking. The table used here was
1579 * gleaned from vlserver/vldbint.xg. Check to see if it's a
1580 * Ubik call, however.
1581 */
1582
1583 printf(" vldb");
1584
1585 if (is_ubik(opcode)) {
1586 ubik_reply_print(bp, length, opcode);
1587 return;
1588 }
1589
1590 printf(" reply %s", tok2str(vldb_req, "op#%d", opcode));
1591
1592 bp += sizeof(struct rx_header);
1593
1594 /*
1595 * If it was a data packet, interpret the response
1596 */
1597
1598 if (rxh->type == RX_PACKET_TYPE_DATA)
1599 switch (opcode) {
1600 case 510: /* List entry */
1601 printf(" count");
1602 INTOUT();
1603 printf(" nextindex");
1604 INTOUT();
1605 case 503: /* Get entry by id */
1606 case 504: /* Get entry by name */
1607 { unsigned long nservers, j;
1608 VECOUT(VLNAMEMAX);
1609 TCHECK2(bp[0], sizeof(int32_t));
1610 bp += sizeof(int32_t);
1611 printf(" numservers");
1612 TCHECK2(bp[0], sizeof(int32_t));
1613 nservers = EXTRACT_32BITS(bp);
1614 bp += sizeof(int32_t);
1615 printf(" %lu", nservers);
1616 printf(" servers");
1617 for (i = 0; i < 8; i++) {
1618 TCHECK2(bp[0], sizeof(int32_t));
1619 if (i < nservers)
1620 printf(" %s",
1621 intoa(((struct in_addr *) bp)->s_addr));
1622 bp += sizeof(int32_t);
1623 }
1624 printf(" partitions");
1625 for (i = 0; i < 8; i++) {
1626 TCHECK2(bp[0], sizeof(int32_t));
1627 j = EXTRACT_32BITS(bp);
1628 if (i < nservers && j <= 26)
1629 printf(" %c", 'a' + (int)j);
1630 else if (i < nservers)
1631 printf(" %lu", j);
1632 bp += sizeof(int32_t);
1633 }
1634 TCHECK2(bp[0], 8 * sizeof(int32_t));
1635 bp += 8 * sizeof(int32_t);
1636 printf(" rwvol");
1637 UINTOUT();
1638 printf(" rovol");
1639 UINTOUT();
1640 printf(" backup");
1641 UINTOUT();
1642 }
1643 break;
1644 case 505: /* Get new volume ID */
1645 printf(" newvol");
1646 UINTOUT();
1647 break;
1648 case 521: /* List entry */
1649 case 529: /* List entry U */
1650 printf(" count");
1651 INTOUT();
1652 printf(" nextindex");
1653 INTOUT();
1654 case 518: /* Get entry by ID N */
1655 case 519: /* Get entry by name N */
1656 { unsigned long nservers, j;
1657 VECOUT(VLNAMEMAX);
1658 printf(" numservers");
1659 TCHECK2(bp[0], sizeof(int32_t));
1660 nservers = EXTRACT_32BITS(bp);
1661 bp += sizeof(int32_t);
1662 printf(" %lu", nservers);
1663 printf(" servers");
1664 for (i = 0; i < 13; i++) {
1665 TCHECK2(bp[0], sizeof(int32_t));
1666 if (i < nservers)
1667 printf(" %s",
1668 intoa(((struct in_addr *) bp)->s_addr));
1669 bp += sizeof(int32_t);
1670 }
1671 printf(" partitions");
1672 for (i = 0; i < 13; i++) {
1673 TCHECK2(bp[0], sizeof(int32_t));
1674 j = EXTRACT_32BITS(bp);
1675 if (i < nservers && j <= 26)
1676 printf(" %c", 'a' + (int)j);
1677 else if (i < nservers)
1678 printf(" %lu", j);
1679 bp += sizeof(int32_t);
1680 }
1681 TCHECK2(bp[0], 13 * sizeof(int32_t));
1682 bp += 13 * sizeof(int32_t);
1683 printf(" rwvol");
1684 UINTOUT();
1685 printf(" rovol");
1686 UINTOUT();
1687 printf(" backup");
1688 UINTOUT();
1689 }
1690 break;
1691 case 526: /* Get entry by ID U */
1692 case 527: /* Get entry by name U */
1693 { unsigned long nservers, j;
1694 VECOUT(VLNAMEMAX);
1695 printf(" numservers");
1696 TCHECK2(bp[0], sizeof(int32_t));
1697 nservers = EXTRACT_32BITS(bp);
1698 bp += sizeof(int32_t);
1699 printf(" %lu", nservers);
1700 printf(" servers");
1701 for (i = 0; i < 13; i++) {
1702 if (i < nservers) {
1703 printf(" afsuuid");
1704 AFSUUIDOUT();
1705 } else {
1706 TCHECK2(bp[0], 44);
1707 bp += 44;
1708 }
1709 }
1710 TCHECK2(bp[0], 4 * 13);
1711 bp += 4 * 13;
1712 printf(" partitions");
1713 for (i = 0; i < 13; i++) {
1714 TCHECK2(bp[0], sizeof(int32_t));
1715 j = EXTRACT_32BITS(bp);
1716 if (i < nservers && j <= 26)
1717 printf(" %c", 'a' + (int)j);
1718 else if (i < nservers)
1719 printf(" %lu", j);
1720 bp += sizeof(int32_t);
1721 }
1722 TCHECK2(bp[0], 13 * sizeof(int32_t));
1723 bp += 13 * sizeof(int32_t);
1724 printf(" rwvol");
1725 UINTOUT();
1726 printf(" rovol");
1727 UINTOUT();
1728 printf(" backup");
1729 UINTOUT();
1730 }
1731 default:
1732 ;
1733 }
1734
1735 else {
1736 /*
1737 * Otherwise, just print out the return code
1738 */
1739 printf(" errcode");
1740 INTOUT();
1741 }
1742
1743 return;
1744
1745 trunc:
1746 printf(" [|vldb]");
1747 }
1748
1749 /*
1750 * Handle calls to the AFS Kerberos Authentication service
1751 */
1752
1753 static void
1754 kauth_print(register const u_char *bp, int length)
1755 {
1756 int kauth_op;
1757
1758 if (length <= (int)sizeof(struct rx_header))
1759 return;
1760
1761 if (snapend - bp + 1 <= (int)(sizeof(struct rx_header) + sizeof(int32_t))) {
1762 goto trunc;
1763 }
1764
1765 /*
1766 * Print out the afs call we're invoking. The table used here was
1767 * gleaned from kauth/kauth.rg
1768 */
1769
1770 kauth_op = EXTRACT_32BITS(bp + sizeof(struct rx_header));
1771
1772 printf(" kauth");
1773
1774 if (is_ubik(kauth_op)) {
1775 ubik_print(bp);
1776 return;
1777 }
1778
1779
1780 printf(" call %s", tok2str(kauth_req, "op#%d", kauth_op));
1781
1782 /*
1783 * Decode some of the arguments to the KA calls
1784 */
1785
1786 bp += sizeof(struct rx_header) + 4;
1787
1788 switch (kauth_op) {
1789 case 1: /* Authenticate old */;
1790 case 21: /* Authenticate */
1791 case 22: /* Authenticate-V2 */
1792 case 2: /* Change PW */
1793 case 5: /* Set fields */
1794 case 6: /* Create user */
1795 case 7: /* Delete user */
1796 case 8: /* Get entry */
1797 case 14: /* Unlock */
1798 case 15: /* Lock status */
1799 printf(" principal");
1800 STROUT(KANAMEMAX);
1801 STROUT(KANAMEMAX);
1802 break;
1803 case 3: /* GetTicket-old */
1804 case 23: /* GetTicket */
1805 {
1806 int i;
1807 printf(" kvno");
1808 INTOUT();
1809 printf(" domain");
1810 STROUT(KANAMEMAX);
1811 TCHECK2(bp[0], sizeof(int32_t));
1812 i = (int) EXTRACT_32BITS(bp);
1813 bp += sizeof(int32_t);
1814 TCHECK2(bp[0], i);
1815 bp += i;
1816 printf(" principal");
1817 STROUT(KANAMEMAX);
1818 STROUT(KANAMEMAX);
1819 break;
1820 }
1821 case 4: /* Set Password */
1822 printf(" principal");
1823 STROUT(KANAMEMAX);
1824 STROUT(KANAMEMAX);
1825 printf(" kvno");
1826 INTOUT();
1827 break;
1828 case 12: /* Get password */
1829 printf(" name");
1830 STROUT(KANAMEMAX);
1831 break;
1832 default:
1833 ;
1834 }
1835
1836 return;
1837
1838 trunc:
1839 printf(" [|kauth]");
1840 }
1841
1842 /*
1843 * Handle replies to the AFS Kerberos Authentication Service
1844 */
1845
1846 static void
1847 kauth_reply_print(register const u_char *bp, int length, int32_t opcode)
1848 {
1849 struct rx_header *rxh;
1850
1851 if (length <= (int)sizeof(struct rx_header))
1852 return;
1853
1854 rxh = (struct rx_header *) bp;
1855
1856 /*
1857 * Print out the afs call we're invoking. The table used here was
1858 * gleaned from kauth/kauth.rg
1859 */
1860
1861 printf(" kauth");
1862
1863 if (is_ubik(opcode)) {
1864 ubik_reply_print(bp, length, opcode);
1865 return;
1866 }
1867
1868 printf(" reply %s", tok2str(kauth_req, "op#%d", opcode));
1869
1870 bp += sizeof(struct rx_header);
1871
1872 /*
1873 * If it was a data packet, interpret the response.
1874 */
1875
1876 if (rxh->type == RX_PACKET_TYPE_DATA)
1877 /* Well, no, not really. Leave this for later */
1878 ;
1879 else {
1880 /*
1881 * Otherwise, just print out the return code
1882 */
1883 printf(" errcode");
1884 INTOUT();
1885 }
1886
1887 return;
1888
1889 trunc:
1890 printf(" [|kauth]");
1891 }
1892
1893 /*
1894 * Handle calls to the AFS Volume location service
1895 */
1896
1897 static void
1898 vol_print(register const u_char *bp, int length)
1899 {
1900 int vol_op;
1901
1902 if (length <= (int)sizeof(struct rx_header))
1903 return;
1904
1905 if (snapend - bp + 1 <= (int)(sizeof(struct rx_header) + sizeof(int32_t))) {
1906 goto trunc;
1907 }
1908
1909 /*
1910 * Print out the afs call we're invoking. The table used here was
1911 * gleaned from volser/volint.xg
1912 */
1913
1914 vol_op = EXTRACT_32BITS(bp + sizeof(struct rx_header));
1915
1916 printf(" vol call %s", tok2str(vol_req, "op#%d", vol_op));
1917
1918 /*
1919 * Normally there would be a switch statement here to decode the
1920 * arguments to the AFS call, but since I don't have access to
1921 * an AFS server (yet) and I'm not an AFS admin, I can't
1922 * test any of these calls. Leave this blank for now.
1923 */
1924
1925 return;
1926
1927 trunc:
1928 printf(" [|vol]");
1929 }
1930
1931 /*
1932 * Handle replies to the AFS Volume Service
1933 */
1934
1935 static void
1936 vol_reply_print(register const u_char *bp, int length, int32_t opcode)
1937 {
1938 struct rx_header *rxh;
1939
1940 if (length <= (int)sizeof(struct rx_header))
1941 return;
1942
1943 rxh = (struct rx_header *) bp;
1944
1945 /*
1946 * Print out the afs call we're invoking. The table used here was
1947 * gleaned from volser/volint.xg
1948 */
1949
1950 printf(" vol reply %s", tok2str(vol_req, "op#%d", opcode));
1951
1952 bp += sizeof(struct rx_header);
1953
1954 /*
1955 * If it was a data packet, interpret the response.
1956 */
1957
1958 if (rxh->type == RX_PACKET_TYPE_DATA)
1959 /* Well, no, not really. Leave this for later */
1960 ;
1961 else {
1962 /*
1963 * Otherwise, just print out the return code
1964 */
1965 printf(" errcode");
1966 INTOUT();
1967 }
1968
1969 return;
1970
1971 trunc:
1972 printf(" [|vol]");
1973 }
1974
1975 /*
1976 * Handle calls to the AFS BOS service
1977 */
1978
1979 static void
1980 bos_print(register const u_char *bp, int length)
1981 {
1982 int bos_op;
1983
1984 if (length <= (int)sizeof(struct rx_header))
1985 return;
1986
1987 if (snapend - bp + 1 <= (int)(sizeof(struct rx_header) + sizeof(int32_t))) {
1988 goto trunc;
1989 }
1990
1991 /*
1992 * Print out the afs call we're invoking. The table used here was
1993 * gleaned from bozo/bosint.xg
1994 */
1995
1996 bos_op = EXTRACT_32BITS(bp + sizeof(struct rx_header));
1997
1998 printf(" bos call %s", tok2str(bos_req, "op#%d", bos_op));
1999
2000 /*
2001 * Decode some of the arguments to the BOS calls
2002 */
2003
2004 bp += sizeof(struct rx_header) + 4;
2005
2006 switch (bos_op) {
2007 case 80: /* Create B node */
2008 printf(" type");
2009 STROUT(BOSNAMEMAX);
2010 printf(" instance");
2011 STROUT(BOSNAMEMAX);
2012 break;
2013 case 81: /* Delete B node */
2014 case 83: /* Get status */
2015 case 85: /* Get instance info */
2016 case 87: /* Add super user */
2017 case 88: /* Delete super user */
2018 case 93: /* Set cell name */
2019 case 96: /* Add cell host */
2020 case 97: /* Delete cell host */
2021 case 104: /* Restart */
2022 case 106: /* Uninstall */
2023 case 108: /* Exec */
2024 case 112: /* Getlog */
2025 case 114: /* Get instance strings */
2026 STROUT(BOSNAMEMAX);
2027 break;
2028 case 82: /* Set status */
2029 case 98: /* Set T status */
2030 STROUT(BOSNAMEMAX);
2031 printf(" status");
2032 INTOUT();
2033 break;
2034 case 86: /* Get instance parm */
2035 STROUT(BOSNAMEMAX);
2036 printf(" num");
2037 INTOUT();
2038 break;
2039 case 84: /* Enumerate instance */
2040 case 89: /* List super users */
2041 case 90: /* List keys */
2042 case 91: /* Add key */
2043 case 92: /* Delete key */
2044 case 95: /* Get cell host */
2045 INTOUT();
2046 break;
2047 case 105: /* Install */
2048 STROUT(BOSNAMEMAX);
2049 printf(" size");
2050 INTOUT();
2051 printf(" flags");
2052 INTOUT();
2053 printf(" date");
2054 INTOUT();
2055 break;
2056 default:
2057 ;
2058 }
2059
2060 return;
2061
2062 trunc:
2063 printf(" [|bos]");
2064 }
2065
2066 /*
2067 * Handle replies to the AFS BOS Service
2068 */
2069
2070 static void
2071 bos_reply_print(register const u_char *bp, int length, int32_t opcode)
2072 {
2073 struct rx_header *rxh;
2074
2075 if (length <= (int)sizeof(struct rx_header))
2076 return;
2077
2078 rxh = (struct rx_header *) bp;
2079
2080 /*
2081 * Print out the afs call we're invoking. The table used here was
2082 * gleaned from volser/volint.xg
2083 */
2084
2085 printf(" bos reply %s", tok2str(bos_req, "op#%d", opcode));
2086
2087 bp += sizeof(struct rx_header);
2088
2089 /*
2090 * If it was a data packet, interpret the response.
2091 */
2092
2093 if (rxh->type == RX_PACKET_TYPE_DATA)
2094 /* Well, no, not really. Leave this for later */
2095 ;
2096 else {
2097 /*
2098 * Otherwise, just print out the return code
2099 */
2100 printf(" errcode");
2101 INTOUT();
2102 }
2103
2104 return;
2105
2106 trunc:
2107 printf(" [|bos]");
2108 }
2109
2110 /*
2111 * Check to see if this is a Ubik opcode.
2112 */
2113
2114 static int
2115 is_ubik(u_int32_t opcode)
2116 {
2117 if ((opcode >= VOTE_LOW && opcode <= VOTE_HIGH) ||
2118 (opcode >= DISK_LOW && opcode <= DISK_HIGH))
2119 return(1);
2120 else
2121 return(0);
2122 }
2123
2124 /*
2125 * Handle Ubik opcodes to any one of the replicated database services
2126 */
2127
2128 static void
2129 ubik_print(register const u_char *bp)
2130 {
2131 int ubik_op;
2132 int32_t temp;
2133
2134 /*
2135 * Print out the afs call we're invoking. The table used here was
2136 * gleaned from ubik/ubik_int.xg
2137 */
2138
2139 ubik_op = EXTRACT_32BITS(bp + sizeof(struct rx_header));
2140
2141 printf(" ubik call %s", tok2str(ubik_req, "op#%d", ubik_op));
2142
2143 /*
2144 * Decode some of the arguments to the Ubik calls
2145 */
2146
2147 bp += sizeof(struct rx_header) + 4;
2148
2149 switch (ubik_op) {
2150 case 10000: /* Beacon */
2151 TCHECK2(bp[0], 4);
2152 temp = EXTRACT_32BITS(bp);
2153 bp += sizeof(int32_t);
2154 printf(" syncsite %s", temp ? "yes" : "no");
2155 printf(" votestart");
2156 DATEOUT();
2157 printf(" dbversion");
2158 UBIK_VERSIONOUT();
2159 printf(" tid");
2160 UBIK_VERSIONOUT();
2161 break;
2162 case 10003: /* Get sync site */
2163 printf(" site");
2164 UINTOUT();
2165 break;
2166 case 20000: /* Begin */
2167 case 20001: /* Commit */
2168 case 20007: /* Abort */
2169 case 20008: /* Release locks */
2170 case 20010: /* Writev */
2171 printf(" tid");
2172 UBIK_VERSIONOUT();
2173 break;
2174 case 20002: /* Lock */
2175 printf(" tid");
2176 UBIK_VERSIONOUT();
2177 printf(" file");
2178 INTOUT();
2179 printf(" pos");
2180 INTOUT();
2181 printf(" length");
2182 INTOUT();
2183 temp = EXTRACT_32BITS(bp);
2184 bp += sizeof(int32_t);
2185 tok2str(ubik_lock_types, "type %d", temp);
2186 break;
2187 case 20003: /* Write */
2188 printf(" tid");
2189 UBIK_VERSIONOUT();
2190 printf(" file");
2191 INTOUT();
2192 printf(" pos");
2193 INTOUT();
2194 break;
2195 case 20005: /* Get file */
2196 printf(" file");
2197 INTOUT();
2198 break;
2199 case 20006: /* Send file */
2200 printf(" file");
2201 INTOUT();
2202 printf(" length");
2203 INTOUT();
2204 printf(" dbversion");
2205 UBIK_VERSIONOUT();
2206 break;
2207 case 20009: /* Truncate */
2208 printf(" tid");
2209 UBIK_VERSIONOUT();
2210 printf(" file");
2211 INTOUT();
2212 printf(" length");
2213 INTOUT();
2214 break;
2215 case 20012: /* Set version */
2216 printf(" tid");
2217 UBIK_VERSIONOUT();
2218 printf(" oldversion");
2219 UBIK_VERSIONOUT();
2220 printf(" newversion");
2221 UBIK_VERSIONOUT();
2222 break;
2223 default:
2224 ;
2225 }
2226
2227 return;
2228
2229 trunc:
2230 printf(" [|ubik]");
2231 }
2232
2233 /*
2234 * Handle Ubik replies to any one of the replicated database services
2235 */
2236
2237 static void
2238 ubik_reply_print(register const u_char *bp, int length, int32_t opcode)
2239 {
2240 struct rx_header *rxh;
2241
2242 if (length < (int)sizeof(struct rx_header))
2243 return;
2244
2245 rxh = (struct rx_header *) bp;
2246
2247 /*
2248 * Print out the ubik call we're invoking. This table was gleaned
2249 * from ubik/ubik_int.xg
2250 */
2251
2252 printf(" ubik reply %s", tok2str(ubik_req, "op#%d", opcode));
2253
2254 bp += sizeof(struct rx_header);
2255
2256 /*
2257 * If it was a data packet, print out the arguments to the Ubik calls
2258 */
2259
2260 if (rxh->type == RX_PACKET_TYPE_DATA)
2261 switch (opcode) {
2262 case 10000: /* Beacon */
2263 printf(" vote no");
2264 break;
2265 case 20004: /* Get version */
2266 printf(" dbversion");
2267 UBIK_VERSIONOUT();
2268 break;
2269 default:
2270 ;
2271 }
2272
2273 /*
2274 * Otherwise, print out "yes" it it was a beacon packet (because
2275 * that's how yes votes are returned, go figure), otherwise
2276 * just print out the error code.
2277 */
2278
2279 else
2280 switch (opcode) {
2281 case 10000: /* Beacon */
2282 printf(" vote yes until");
2283 DATEOUT();
2284 break;
2285 default:
2286 printf(" errcode");
2287 INTOUT();
2288 }
2289
2290 return;
2291
2292 trunc:
2293 printf(" [|ubik]");
2294 }
2295
2296 /*
2297 * Handle RX ACK packets.
2298 */
2299
2300 static void
2301 rx_ack_print(register const u_char *bp, int length)
2302 {
2303 struct rx_ackPacket *rxa;
2304 int i, start, last;
2305 u_int32_t firstPacket;
2306
2307 if (length < (int)sizeof(struct rx_header))
2308 return;
2309
2310 bp += sizeof(struct rx_header);
2311
2312 /*
2313 * This may seem a little odd .... the rx_ackPacket structure
2314 * contains an array of individual packet acknowledgements
2315 * (used for selective ack/nack), but since it's variable in size,
2316 * we don't want to truncate based on the size of the whole
2317 * rx_ackPacket structure.
2318 */
2319
2320 TCHECK2(bp[0], sizeof(struct rx_ackPacket) - RX_MAXACKS);
2321
2322 rxa = (struct rx_ackPacket *) bp;
2323 bp += (sizeof(struct rx_ackPacket) - RX_MAXACKS);
2324
2325 /*
2326 * Print out a few useful things from the ack packet structure
2327 */
2328
2329 if (vflag > 2)
2330 printf(" bufspace %d maxskew %d",
2331 (int) EXTRACT_16BITS(&rxa->bufferSpace),
2332 (int) EXTRACT_16BITS(&rxa->maxSkew));
2333
2334 firstPacket = EXTRACT_32BITS(&rxa->firstPacket);
2335 printf(" first %d serial %d reason %s",
2336 firstPacket, EXTRACT_32BITS(&rxa->serial),
2337 tok2str(rx_ack_reasons, "#%d", (int) rxa->reason));
2338
2339 /*
2340 * Okay, now we print out the ack array. The way _this_ works
2341 * is that we start at "first", and step through the ack array.
2342 * If we have a contiguous range of acks/nacks, try to
2343 * collapse them into a range.
2344 *
2345 * If you're really clever, you might have noticed that this
2346 * doesn't seem quite correct. Specifically, due to structure
2347 * padding, sizeof(struct rx_ackPacket) - RX_MAXACKS won't actually
2348 * yield the start of the ack array (because RX_MAXACKS is 255
2349 * and the structure will likely get padded to a 2 or 4 byte
2350 * boundary). However, this is the way it's implemented inside
2351 * of AFS - the start of the extra fields are at
2352 * sizeof(struct rx_ackPacket) - RX_MAXACKS + nAcks, which _isn't_
2353 * the exact start of the ack array. Sigh. That's why we aren't
2354 * using bp, but instead use rxa->acks[]. But nAcks gets added
2355 * to bp after this, so bp ends up at the right spot. Go figure.
2356 */
2357
2358 if (rxa->nAcks != 0) {
2359
2360 TCHECK2(bp[0], rxa->nAcks);
2361
2362 /*
2363 * Sigh, this is gross, but it seems to work to collapse
2364 * ranges correctly.
2365 */
2366
2367 for (i = 0, start = last = -2; i < rxa->nAcks; i++)
2368 if (rxa->acks[i] == RX_ACK_TYPE_ACK) {
2369
2370 /*
2371 * I figured this deserved _some_ explanation.
2372 * First, print "acked" and the packet seq
2373 * number if this is the first time we've
2374 * seen an acked packet.
2375 */
2376
2377 if (last == -2) {
2378 printf(" acked %d",
2379 firstPacket + i);
2380 start = i;
2381 }
2382
2383 /*
2384 * Otherwise, if the there is a skip in
2385 * the range (such as an nacked packet in
2386 * the middle of some acked packets),
2387 * then print the current packet number
2388 * seperated from the last number by
2389 * a comma.
2390 */
2391
2392 else if (last != i - 1) {
2393 printf(",%d", firstPacket + i);
2394 start = i;
2395 }
2396
2397 /*
2398 * We always set last to the value of
2399 * the last ack we saw. Conversely, start
2400 * is set to the value of the first ack
2401 * we saw in a range.
2402 */
2403
2404 last = i;
2405
2406 /*
2407 * Okay, this bit a code gets executed when
2408 * we hit a nack ... in _this_ case we
2409 * want to print out the range of packets
2410 * that were acked, so we need to print
2411 * the _previous_ packet number seperated
2412 * from the first by a dash (-). Since we
2413 * already printed the first packet above,
2414 * just print the final packet. Don't
2415 * do this if there will be a single-length
2416 * range.
2417 */
2418 } else if (last == i - 1 && start != last)
2419 printf("-%d", firstPacket + i - 1);
2420
2421 /*
2422 * So, what's going on here? We ran off the end of the
2423 * ack list, and if we got a range we need to finish it up.
2424 * So we need to determine if the last packet in the list
2425 * was an ack (if so, then last will be set to it) and
2426 * we need to see if the last range didn't start with the
2427 * last packet (because if it _did_, then that would mean
2428 * that the packet number has already been printed and
2429 * we don't need to print it again).
2430 */
2431
2432 if (last == i - 1 && start != last)
2433 printf("-%d", firstPacket + i - 1);
2434
2435 /*
2436 * Same as above, just without comments
2437 */
2438
2439 for (i = 0, start = last = -2; i < rxa->nAcks; i++)
2440 if (rxa->acks[i] == RX_ACK_TYPE_NACK) {
2441 if (last == -2) {
2442 printf(" nacked %d",
2443 firstPacket + i);
2444 start = i;
2445 } else if (last != i - 1) {
2446 printf(",%d", firstPacket + i);
2447 start = i;
2448 }
2449 last = i;
2450 } else if (last == i - 1 && start != last)
2451 printf("-%d", firstPacket + i - 1);
2452
2453 if (last == i - 1 && start != last)
2454 printf("-%d", firstPacket + i - 1);
2455
2456 bp += rxa->nAcks;
2457 }
2458
2459
2460 /*
2461 * These are optional fields; depending on your version of AFS,
2462 * you may or may not see them
2463 */
2464
2465 #define TRUNCRET(n) if (snapend - bp + 1 <= n) return;
2466
2467 if (vflag > 1) {
2468 TRUNCRET(4);
2469 printf(" ifmtu");
2470 INTOUT();
2471
2472 TRUNCRET(4);
2473 printf(" maxmtu");
2474 INTOUT();
2475
2476 TRUNCRET(4);
2477 printf(" rwind");
2478 INTOUT();
2479
2480 TRUNCRET(4);
2481 printf(" maxpackets");
2482 INTOUT();
2483 }
2484
2485 return;
2486
2487 trunc:
2488 printf(" [|ack]");
2489 }
2490 #undef TRUNCRET
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