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add tracefiles for infinite loop testing
[tcpdump] / print-decnet.c
1 /*
2 * Copyright (c) 1992, 1993, 1994, 1995, 1996, 1997
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that: (1) source code distributions
7 * retain the above copyright notice and this paragraph in its entirety, (2)
8 * distributions including binary code include the above copyright notice and
9 * this paragraph in its entirety in the documentation or other materials
10 * provided with the distribution, and (3) all advertising materials mentioning
11 * features or use of this software display the following acknowledgement:
12 * ``This product includes software developed by the University of California,
13 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
14 * the University nor the names of its contributors may be used to endorse
15 * or promote products derived from this software without specific prior
16 * written permission.
17 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
20 */
21
22 #ifndef lint
23 static const char rcsid[] _U_ =
24 "@(#) $Header: /tcpdump/master/tcpdump/print-decnet.c,v 1.36.2.2 2003-11-16 08:51:16 guy Exp $ (LBL)";
25 #endif
26
27 #ifdef HAVE_CONFIG_H
28 #include "config.h"
29 #endif
30
31 #include <tcpdump-stdinc.h>
32
33 struct mbuf;
34 struct rtentry;
35
36 #ifdef HAVE_NETDNET_DNETDB_H
37 #include <netdnet/dnetdb.h>
38 #endif
39
40 #include <stdio.h>
41 #include <stdlib.h>
42 #include <string.h>
43
44 #include "decnet.h"
45 #include "extract.h"
46 #include "interface.h"
47 #include "addrtoname.h"
48
49 /* Forwards */
50 static void print_decnet_ctlmsg(const union routehdr *, u_int);
51 static void print_t_info(int);
52 static void print_l1_routes(const char *, u_int);
53 static void print_l2_routes(const char *, u_int);
54 static void print_i_info(int);
55 static void print_elist(const char *, u_int);
56 static void print_nsp(const u_char *, u_int);
57 static void print_reason(int);
58 #ifdef PRINT_NSPDATA
59 static void pdata(u_char *, int);
60 #endif
61
62 #ifndef HAVE_NETDNET_DNETDB_H_DNET_HTOA
63 extern char *dnet_htoa(struct dn_naddr *);
64 #endif
65
66 void
67 decnet_print(register const u_char *ap, register u_int length,
68 register u_int caplen)
69 {
70 static union routehdr rhcopy;
71 register union routehdr *rhp = &rhcopy;
72 register int mflags;
73 int dst, src, hops;
74 u_int rhlen, nsplen, pktlen;
75 const u_char *nspp;
76
77 if (length < sizeof(struct shorthdr)) {
78 (void)printf("[|decnet]");
79 return;
80 }
81
82 pktlen = EXTRACT_LE_16BITS(ap);
83
84 rhlen = min(length, caplen);
85 rhlen = min(rhlen, sizeof(*rhp));
86 memcpy((char *)rhp, (char *)&(ap[sizeof(short)]), rhlen);
87
88 mflags = EXTRACT_LE_8BITS(rhp->rh_short.sh_flags);
89
90 if (mflags & RMF_PAD) {
91 /* pad bytes of some sort in front of message */
92 u_int padlen = mflags & RMF_PADMASK;
93 if (vflag)
94 (void) printf("[pad:%d] ", padlen);
95 ap += padlen;
96 length -= padlen;
97 caplen -= padlen;
98 rhlen = min(length, caplen);
99 rhlen = min(rhlen, sizeof(*rhp));
100 memcpy((char *)rhp, (char *)&(ap[sizeof(short)]), rhlen);
101 mflags = EXTRACT_LE_8BITS(rhp->rh_short.sh_flags);
102 }
103
104 if (mflags & RMF_FVER) {
105 (void) printf("future-version-decnet");
106 default_print(ap, length);
107 return;
108 }
109
110 /* is it a control message? */
111 if (mflags & RMF_CTLMSG) {
112 print_decnet_ctlmsg(rhp, min(length, caplen));
113 return;
114 }
115
116 switch (mflags & RMF_MASK) {
117 case RMF_LONG:
118 dst =
119 EXTRACT_LE_16BITS(rhp->rh_long.lg_dst.dne_remote.dne_nodeaddr);
120 src =
121 EXTRACT_LE_16BITS(rhp->rh_long.lg_src.dne_remote.dne_nodeaddr);
122 hops = EXTRACT_LE_8BITS(rhp->rh_long.lg_visits);
123 nspp = &(ap[sizeof(short) + sizeof(struct longhdr)]);
124 nsplen = min((length - sizeof(struct longhdr)),
125 (caplen - sizeof(struct longhdr)));
126 break;
127 case RMF_SHORT:
128 dst = EXTRACT_LE_16BITS(rhp->rh_short.sh_dst);
129 src = EXTRACT_LE_16BITS(rhp->rh_short.sh_src);
130 hops = (EXTRACT_LE_8BITS(rhp->rh_short.sh_visits) & VIS_MASK)+1;
131 nspp = &(ap[sizeof(short) + sizeof(struct shorthdr)]);
132 nsplen = min((length - sizeof(struct shorthdr)),
133 (caplen - sizeof(struct shorthdr)));
134 break;
135 default:
136 (void) printf("unknown message flags under mask");
137 default_print((u_char *)ap, length);
138 return;
139 }
140
141 (void)printf("%s > %s %d ",
142 dnaddr_string(src), dnaddr_string(dst), pktlen);
143 if (vflag) {
144 if (mflags & RMF_RQR)
145 (void)printf("RQR ");
146 if (mflags & RMF_RTS)
147 (void)printf("RTS ");
148 if (mflags & RMF_IE)
149 (void)printf("IE ");
150 (void)printf("%d hops ", hops);
151 }
152
153 print_nsp(nspp, nsplen);
154 }
155
156 static void
157 print_decnet_ctlmsg(register const union routehdr *rhp, u_int length)
158 {
159 int mflags = EXTRACT_LE_8BITS(rhp->rh_short.sh_flags);
160 register union controlmsg *cmp = (union controlmsg *)rhp;
161 int src, dst, info, blksize, eco, ueco, hello, other, vers;
162 etheraddr srcea, rtea;
163 int priority;
164 char *rhpx = (char *)rhp;
165
166 switch (mflags & RMF_CTLMASK) {
167 case RMF_INIT:
168 (void)printf("init ");
169 src = EXTRACT_LE_16BITS(cmp->cm_init.in_src);
170 info = EXTRACT_LE_8BITS(cmp->cm_init.in_info);
171 blksize = EXTRACT_LE_16BITS(cmp->cm_init.in_blksize);
172 vers = EXTRACT_LE_8BITS(cmp->cm_init.in_vers);
173 eco = EXTRACT_LE_8BITS(cmp->cm_init.in_eco);
174 ueco = EXTRACT_LE_8BITS(cmp->cm_init.in_ueco);
175 hello = EXTRACT_LE_16BITS(cmp->cm_init.in_hello);
176 print_t_info(info);
177 (void)printf(
178 "src %sblksize %d vers %d eco %d ueco %d hello %d",
179 dnaddr_string(src), blksize, vers, eco, ueco,
180 hello);
181 break;
182 case RMF_VER:
183 (void)printf("verification ");
184 src = EXTRACT_LE_16BITS(cmp->cm_ver.ve_src);
185 other = EXTRACT_LE_8BITS(cmp->cm_ver.ve_fcnval);
186 (void)printf("src %s fcnval %o", dnaddr_string(src), other);
187 break;
188 case RMF_TEST:
189 (void)printf("test ");
190 src = EXTRACT_LE_16BITS(cmp->cm_test.te_src);
191 other = EXTRACT_LE_8BITS(cmp->cm_test.te_data);
192 (void)printf("src %s data %o", dnaddr_string(src), other);
193 break;
194 case RMF_L1ROUT:
195 (void)printf("lev-1-routing ");
196 src = EXTRACT_LE_16BITS(cmp->cm_l1rou.r1_src);
197 (void)printf("src %s ", dnaddr_string(src));
198 print_l1_routes(&(rhpx[sizeof(struct l1rout)]),
199 length - sizeof(struct l1rout));
200 break;
201 case RMF_L2ROUT:
202 (void)printf("lev-2-routing ");
203 src = EXTRACT_LE_16BITS(cmp->cm_l2rout.r2_src);
204 (void)printf("src %s ", dnaddr_string(src));
205 print_l2_routes(&(rhpx[sizeof(struct l2rout)]),
206 length - sizeof(struct l2rout));
207 break;
208 case RMF_RHELLO:
209 (void)printf("router-hello ");
210 vers = EXTRACT_LE_8BITS(cmp->cm_rhello.rh_vers);
211 eco = EXTRACT_LE_8BITS(cmp->cm_rhello.rh_eco);
212 ueco = EXTRACT_LE_8BITS(cmp->cm_rhello.rh_ueco);
213 memcpy((char *)&srcea, (char *)&(cmp->cm_rhello.rh_src),
214 sizeof(srcea));
215 src = EXTRACT_LE_16BITS(srcea.dne_remote.dne_nodeaddr);
216 info = EXTRACT_LE_8BITS(cmp->cm_rhello.rh_info);
217 blksize = EXTRACT_LE_16BITS(cmp->cm_rhello.rh_blksize);
218 priority = EXTRACT_LE_8BITS(cmp->cm_rhello.rh_priority);
219 hello = EXTRACT_LE_16BITS(cmp->cm_rhello.rh_hello);
220 print_i_info(info);
221 (void)printf(
222 "vers %d eco %d ueco %d src %s blksize %d pri %d hello %d",
223 vers, eco, ueco, dnaddr_string(src),
224 blksize, priority, hello);
225 print_elist(&(rhpx[sizeof(struct rhellomsg)]),
226 length - sizeof(struct rhellomsg));
227 break;
228 case RMF_EHELLO:
229 (void)printf("endnode-hello ");
230 vers = EXTRACT_LE_8BITS(cmp->cm_ehello.eh_vers);
231 eco = EXTRACT_LE_8BITS(cmp->cm_ehello.eh_eco);
232 ueco = EXTRACT_LE_8BITS(cmp->cm_ehello.eh_ueco);
233 memcpy((char *)&srcea, (char *)&(cmp->cm_ehello.eh_src),
234 sizeof(srcea));
235 src = EXTRACT_LE_16BITS(srcea.dne_remote.dne_nodeaddr);
236 info = EXTRACT_LE_8BITS(cmp->cm_ehello.eh_info);
237 blksize = EXTRACT_LE_16BITS(cmp->cm_ehello.eh_blksize);
238 /*seed*/
239 memcpy((char *)&rtea, (char *)&(cmp->cm_ehello.eh_router),
240 sizeof(rtea));
241 dst = EXTRACT_LE_16BITS(rtea.dne_remote.dne_nodeaddr);
242 hello = EXTRACT_LE_16BITS(cmp->cm_ehello.eh_hello);
243 other = EXTRACT_LE_8BITS(cmp->cm_ehello.eh_data);
244 print_i_info(info);
245 (void)printf(
246 "vers %d eco %d ueco %d src %s blksize %d rtr %s hello %d data %o",
247 vers, eco, ueco, dnaddr_string(src),
248 blksize, dnaddr_string(dst), hello, other);
249 break;
250
251 default:
252 (void)printf("unknown control message");
253 default_print((u_char *)rhp, length);
254 break;
255 }
256 }
257
258 static void
259 print_t_info(int info)
260 {
261 int ntype = info & 3;
262 switch (ntype) {
263 case 0: (void)printf("reserved-ntype? "); break;
264 case TI_L2ROUT: (void)printf("l2rout "); break;
265 case TI_L1ROUT: (void)printf("l1rout "); break;
266 case TI_ENDNODE: (void)printf("endnode "); break;
267 }
268 if (info & TI_VERIF)
269 (void)printf("verif ");
270 if (info & TI_BLOCK)
271 (void)printf("blo ");
272 }
273
274 static void
275 print_l1_routes(const char *rp, u_int len)
276 {
277 int count;
278 int id;
279 int info;
280
281 /* The last short is a checksum */
282 while (len > (3 * sizeof(short))) {
283 count = EXTRACT_LE_16BITS(rp);
284 if (count > 1024)
285 return; /* seems to be bogus from here on */
286 rp += sizeof(short);
287 len -= sizeof(short);
288 id = EXTRACT_LE_16BITS(rp);
289 rp += sizeof(short);
290 len -= sizeof(short);
291 info = EXTRACT_LE_16BITS(rp);
292 rp += sizeof(short);
293 len -= sizeof(short);
294 (void)printf("{ids %d-%d cost %d hops %d} ", id, id + count,
295 RI_COST(info), RI_HOPS(info));
296 }
297 }
298
299 static void
300 print_l2_routes(const char *rp, u_int len)
301 {
302 int count;
303 int area;
304 int info;
305
306 /* The last short is a checksum */
307 while (len > (3 * sizeof(short))) {
308 count = EXTRACT_LE_16BITS(rp);
309 if (count > 1024)
310 return; /* seems to be bogus from here on */
311 rp += sizeof(short);
312 len -= sizeof(short);
313 area = EXTRACT_LE_16BITS(rp);
314 rp += sizeof(short);
315 len -= sizeof(short);
316 info = EXTRACT_LE_16BITS(rp);
317 rp += sizeof(short);
318 len -= sizeof(short);
319 (void)printf("{areas %d-%d cost %d hops %d} ", area, area + count,
320 RI_COST(info), RI_HOPS(info));
321 }
322 }
323
324 static void
325 print_i_info(int info)
326 {
327 int ntype = info & II_TYPEMASK;
328 switch (ntype) {
329 case 0: (void)printf("reserved-ntype? "); break;
330 case II_L2ROUT: (void)printf("l2rout "); break;
331 case II_L1ROUT: (void)printf("l1rout "); break;
332 case II_ENDNODE: (void)printf("endnode "); break;
333 }
334 if (info & II_VERIF)
335 (void)printf("verif ");
336 if (info & II_NOMCAST)
337 (void)printf("nomcast ");
338 if (info & II_BLOCK)
339 (void)printf("blo ");
340 }
341
342 static void
343 print_elist(const char *elp _U_, u_int len _U_)
344 {
345 /* Not enough examples available for me to debug this */
346 }
347
348 static void
349 print_nsp(const u_char *nspp, u_int nsplen _U_)
350 {
351 const struct nsphdr *nsphp = (struct nsphdr *)nspp;
352 int dst, src, flags;
353
354 flags = EXTRACT_LE_8BITS(nsphp->nh_flags);
355 dst = EXTRACT_LE_16BITS(nsphp->nh_dst);
356 src = EXTRACT_LE_16BITS(nsphp->nh_src);
357
358 switch (flags & NSP_TYPEMASK) {
359 case MFT_DATA:
360 switch (flags & NSP_SUBMASK) {
361 case MFS_BOM:
362 case MFS_MOM:
363 case MFS_EOM:
364 case MFS_BOM+MFS_EOM:
365 printf("data %d>%d ", src, dst);
366 {
367 struct seghdr *shp = (struct seghdr *)nspp;
368 int ack;
369 #ifdef PRINT_NSPDATA
370 u_char *dp;
371 #endif
372 u_int data_off = sizeof(struct minseghdr);
373
374 ack = EXTRACT_LE_16BITS(shp->sh_seq[0]);
375 if (ack & SGQ_ACK) { /* acknum field */
376 if ((ack & SGQ_NAK) == SGQ_NAK)
377 (void)printf("nak %d ", ack & SGQ_MASK);
378 else
379 (void)printf("ack %d ", ack & SGQ_MASK);
380 ack = EXTRACT_LE_16BITS(shp->sh_seq[1]);
381 data_off += sizeof(short);
382 if (ack & SGQ_OACK) { /* ackoth field */
383 if ((ack & SGQ_ONAK) == SGQ_ONAK)
384 (void)printf("onak %d ", ack & SGQ_MASK);
385 else
386 (void)printf("oack %d ", ack & SGQ_MASK);
387 ack = EXTRACT_LE_16BITS(shp->sh_seq[2]);
388 data_off += sizeof(short);
389 }
390 }
391 (void)printf("seg %d ", ack & SGQ_MASK);
392 #ifdef PRINT_NSPDATA
393 dp = &(nspp[data_off]);
394 pdata(dp, 10);
395 #endif
396 }
397 break;
398 case MFS_ILS+MFS_INT:
399 printf("intr ");
400 {
401 struct seghdr *shp = (struct seghdr *)nspp;
402 int ack;
403 #ifdef PRINT_NSPDATA
404 u_char *dp;
405 #endif
406 u_int data_off = sizeof(struct minseghdr);
407
408 ack = EXTRACT_LE_16BITS(shp->sh_seq[0]);
409 if (ack & SGQ_ACK) { /* acknum field */
410 if ((ack & SGQ_NAK) == SGQ_NAK)
411 (void)printf("nak %d ", ack & SGQ_MASK);
412 else
413 (void)printf("ack %d ", ack & SGQ_MASK);
414 ack = EXTRACT_LE_16BITS(shp->sh_seq[1]);
415 data_off += sizeof(short);
416 if (ack & SGQ_OACK) { /* ackdat field */
417 if ((ack & SGQ_ONAK) == SGQ_ONAK)
418 (void)printf("nakdat %d ", ack & SGQ_MASK);
419 else
420 (void)printf("ackdat %d ", ack & SGQ_MASK);
421 ack = EXTRACT_LE_16BITS(shp->sh_seq[2]);
422 data_off += sizeof(short);
423 }
424 }
425 (void)printf("seg %d ", ack & SGQ_MASK);
426 #ifdef PRINT_NSPDATA
427 dp = &(nspp[data_off]);
428 pdata(dp, 10);
429 #endif
430 }
431 break;
432 case MFS_ILS:
433 (void)printf("link-service %d>%d ", src, dst);
434 {
435 struct seghdr *shp = (struct seghdr *)nspp;
436 struct lsmsg *lsmp =
437 (struct lsmsg *)&(nspp[sizeof(struct seghdr)]);
438 int ack;
439 int lsflags, fcval;
440
441 ack = EXTRACT_LE_16BITS(shp->sh_seq[0]);
442 if (ack & SGQ_ACK) { /* acknum field */
443 if ((ack & SGQ_NAK) == SGQ_NAK)
444 (void)printf("nak %d ", ack & SGQ_MASK);
445 else
446 (void)printf("ack %d ", ack & SGQ_MASK);
447 ack = EXTRACT_LE_16BITS(shp->sh_seq[1]);
448 if (ack & SGQ_OACK) { /* ackdat field */
449 if ((ack & SGQ_ONAK) == SGQ_ONAK)
450 (void)printf("nakdat %d ", ack & SGQ_MASK);
451 else
452 (void)printf("ackdat %d ", ack & SGQ_MASK);
453 ack = EXTRACT_LE_16BITS(shp->sh_seq[2]);
454 }
455 }
456 (void)printf("seg %d ", ack & SGQ_MASK);
457 lsflags = EXTRACT_LE_8BITS(lsmp->ls_lsflags);
458 fcval = EXTRACT_LE_8BITS(lsmp->ls_fcval);
459 switch (lsflags & LSI_MASK) {
460 case LSI_DATA:
461 (void)printf("dat seg count %d ", fcval);
462 switch (lsflags & LSM_MASK) {
463 case LSM_NOCHANGE:
464 break;
465 case LSM_DONOTSEND:
466 (void)printf("donotsend-data ");
467 break;
468 case LSM_SEND:
469 (void)printf("send-data ");
470 break;
471 default:
472 (void)printf("reserved-fcmod? %x", lsflags);
473 break;
474 }
475 break;
476 case LSI_INTR:
477 (void)printf("intr req count %d ", fcval);
478 break;
479 default:
480 (void)printf("reserved-fcval-int? %x", lsflags);
481 break;
482 }
483 }
484 break;
485 default:
486 (void)printf("reserved-subtype? %x %d > %d", flags, src, dst);
487 break;
488 }
489 break;
490 case MFT_ACK:
491 switch (flags & NSP_SUBMASK) {
492 case MFS_DACK:
493 (void)printf("data-ack %d>%d ", src, dst);
494 {
495 struct ackmsg *amp = (struct ackmsg *)nspp;
496 int ack;
497
498 ack = EXTRACT_LE_16BITS(amp->ak_acknum[0]);
499 if (ack & SGQ_ACK) { /* acknum field */
500 if ((ack & SGQ_NAK) == SGQ_NAK)
501 (void)printf("nak %d ", ack & SGQ_MASK);
502 else
503 (void)printf("ack %d ", ack & SGQ_MASK);
504 ack = EXTRACT_LE_16BITS(amp->ak_acknum[1]);
505 if (ack & SGQ_OACK) { /* ackoth field */
506 if ((ack & SGQ_ONAK) == SGQ_ONAK)
507 (void)printf("onak %d ", ack & SGQ_MASK);
508 else
509 (void)printf("oack %d ", ack & SGQ_MASK);
510 }
511 }
512 }
513 break;
514 case MFS_IACK:
515 (void)printf("ils-ack %d>%d ", src, dst);
516 {
517 struct ackmsg *amp = (struct ackmsg *)nspp;
518 int ack;
519
520 ack = EXTRACT_LE_16BITS(amp->ak_acknum[0]);
521 if (ack & SGQ_ACK) { /* acknum field */
522 if ((ack & SGQ_NAK) == SGQ_NAK)
523 (void)printf("nak %d ", ack & SGQ_MASK);
524 else
525 (void)printf("ack %d ", ack & SGQ_MASK);
526 ack = EXTRACT_LE_16BITS(amp->ak_acknum[1]);
527 if (ack & SGQ_OACK) { /* ackdat field */
528 if ((ack & SGQ_ONAK) == SGQ_ONAK)
529 (void)printf("nakdat %d ", ack & SGQ_MASK);
530 else
531 (void)printf("ackdat %d ", ack & SGQ_MASK);
532 }
533 }
534 }
535 break;
536 case MFS_CACK:
537 (void)printf("conn-ack %d", dst);
538 break;
539 default:
540 (void)printf("reserved-acktype? %x %d > %d", flags, src, dst);
541 break;
542 }
543 break;
544 case MFT_CTL:
545 switch (flags & NSP_SUBMASK) {
546 case MFS_CI:
547 case MFS_RCI:
548 if ((flags & NSP_SUBMASK) == MFS_CI)
549 (void)printf("conn-initiate ");
550 else
551 (void)printf("retrans-conn-initiate ");
552 (void)printf("%d>%d ", src, dst);
553 {
554 struct cimsg *cimp = (struct cimsg *)nspp;
555 int services, info, segsize;
556 #ifdef PRINT_NSPDATA
557 u_char *dp;
558 #endif
559
560 services = EXTRACT_LE_8BITS(cimp->ci_services);
561 info = EXTRACT_LE_8BITS(cimp->ci_info);
562 segsize = EXTRACT_LE_16BITS(cimp->ci_segsize);
563
564 switch (services & COS_MASK) {
565 case COS_NONE:
566 break;
567 case COS_SEGMENT:
568 (void)printf("seg ");
569 break;
570 case COS_MESSAGE:
571 (void)printf("msg ");
572 break;
573 case COS_CRYPTSER:
574 (void)printf("crypt ");
575 break;
576 }
577 switch (info & COI_MASK) {
578 case COI_32:
579 (void)printf("ver 3.2 ");
580 break;
581 case COI_31:
582 (void)printf("ver 3.1 ");
583 break;
584 case COI_40:
585 (void)printf("ver 4.0 ");
586 break;
587 case COI_41:
588 (void)printf("ver 4.1 ");
589 break;
590 }
591 (void)printf("segsize %d ", segsize);
592 #ifdef PRINT_NSPDATA
593 dp = &(nspp[sizeof(struct cimsg)]);
594 pdata(dp, nsplen - sizeof(struct cimsg));
595 #endif
596 }
597 break;
598 case MFS_CC:
599 (void)printf("conn-confirm %d>%d ", src, dst);
600 {
601 struct ccmsg *ccmp = (struct ccmsg *)nspp;
602 int services, info;
603 u_int segsize, optlen;
604 #ifdef PRINT_NSPDATA
605 u_char *dp;
606 #endif
607
608 services = EXTRACT_LE_8BITS(ccmp->cc_services);
609 info = EXTRACT_LE_8BITS(ccmp->cc_info);
610 segsize = EXTRACT_LE_16BITS(ccmp->cc_segsize);
611 optlen = EXTRACT_LE_8BITS(ccmp->cc_optlen);
612
613 switch (services & COS_MASK) {
614 case COS_NONE:
615 break;
616 case COS_SEGMENT:
617 (void)printf("seg ");
618 break;
619 case COS_MESSAGE:
620 (void)printf("msg ");
621 break;
622 case COS_CRYPTSER:
623 (void)printf("crypt ");
624 break;
625 }
626 switch (info & COI_MASK) {
627 case COI_32:
628 (void)printf("ver 3.2 ");
629 break;
630 case COI_31:
631 (void)printf("ver 3.1 ");
632 break;
633 case COI_40:
634 (void)printf("ver 4.0 ");
635 break;
636 case COI_41:
637 (void)printf("ver 4.1 ");
638 break;
639 }
640 (void)printf("segsize %d ", segsize);
641 if (optlen) {
642 (void)printf("optlen %d ", optlen);
643 #ifdef PRINT_NSPDATA
644 optlen = min(optlen, nsplen - sizeof(struct ccmsg));
645 dp = &(nspp[sizeof(struct ccmsg)]);
646 pdata(dp, optlen);
647 #endif
648 }
649 }
650 break;
651 case MFS_DI:
652 (void)printf("disconn-initiate %d>%d ", src, dst);
653 {
654 struct dimsg *dimp = (struct dimsg *)nspp;
655 int reason;
656 u_int optlen;
657 #ifdef PRINT_NSPDATA
658 u_char *dp;
659 #endif
660
661 reason = EXTRACT_LE_16BITS(dimp->di_reason);
662 optlen = EXTRACT_LE_8BITS(dimp->di_optlen);
663
664 print_reason(reason);
665 if (optlen) {
666 (void)printf("optlen %d ", optlen);
667 #ifdef PRINT_NSPDATA
668 optlen = min(optlen, nsplen - sizeof(struct dimsg));
669 dp = &(nspp[sizeof(struct dimsg)]);
670 pdata(dp, optlen);
671 #endif
672 }
673 }
674 break;
675 case MFS_DC:
676 (void)printf("disconn-confirm %d>%d ", src, dst);
677 {
678 struct dcmsg *dcmp = (struct dcmsg *)nspp;
679 int reason;
680
681 reason = EXTRACT_LE_16BITS(dcmp->dc_reason);
682
683 print_reason(reason);
684 }
685 break;
686 default:
687 (void)printf("reserved-ctltype? %x %d > %d", flags, src, dst);
688 break;
689 }
690 break;
691 default:
692 (void)printf("reserved-type? %x %d > %d", flags, src, dst);
693 break;
694 }
695 }
696
697 static struct tok reason2str[] = {
698 { UC_OBJREJECT, "object rejected connect" },
699 { UC_RESOURCES, "insufficient resources" },
700 { UC_NOSUCHNODE, "unrecognized node name" },
701 { DI_SHUT, "node is shutting down" },
702 { UC_NOSUCHOBJ, "unrecognized object" },
703 { UC_INVOBJFORMAT, "invalid object name format" },
704 { UC_OBJTOOBUSY, "object too busy" },
705 { DI_PROTOCOL, "protocol error discovered" },
706 { DI_TPA, "third party abort" },
707 { UC_USERABORT, "user abort" },
708 { UC_INVNODEFORMAT, "invalid node name format" },
709 { UC_LOCALSHUT, "local node shutting down" },
710 { DI_LOCALRESRC, "insufficient local resources" },
711 { DI_REMUSERRESRC, "insufficient remote user resources" },
712 { UC_ACCESSREJECT, "invalid access control information" },
713 { DI_BADACCNT, "bad ACCOUNT information" },
714 { UC_NORESPONSE, "no response from object" },
715 { UC_UNREACHABLE, "node unreachable" },
716 { DC_NOLINK, "no link terminate" },
717 { DC_COMPLETE, "disconnect complete" },
718 { DI_BADIMAGE, "bad image data in connect" },
719 { DI_SERVMISMATCH, "cryptographic service mismatch" },
720 { 0, NULL }
721 };
722
723 static void
724 print_reason(register int reason)
725 {
726 printf("%s ", tok2str(reason2str, "reason-%d", reason));
727 }
728
729 const char *
730 dnnum_string(u_short dnaddr)
731 {
732 char *str;
733 size_t siz;
734 int area = (u_short)(dnaddr & AREAMASK) >> AREASHIFT;
735 int node = dnaddr & NODEMASK;
736
737 str = (char *)malloc(siz = sizeof("00.0000"));
738 if (str == NULL)
739 error("dnnum_string: malloc");
740 snprintf(str, siz, "%d.%d", area, node);
741 return(str);
742 }
743
744 const char *
745 dnname_string(u_short dnaddr)
746 {
747 #ifdef HAVE_DNET_HTOA
748 struct dn_naddr dna;
749
750 dna.a_len = sizeof(short);
751 memcpy((char *)dna.a_addr, (char *)&dnaddr, sizeof(short));
752 return (strdup(dnet_htoa(&dna)));
753 #else
754 return(dnnum_string(dnaddr)); /* punt */
755 #endif
756 }
757
758 #ifdef PRINT_NSPDATA
759 static void
760 pdata(u_char *dp, u_int maxlen)
761 {
762 char c;
763 u_int x = maxlen;
764
765 while (x-- > 0) {
766 c = *dp++;
767 safeputchar(c);
768 }
769 }
770 #endif
[mirror] the TCPdump network dissector