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Fix markup. Fix backslashes to surive roff.
[netbsd-mini2440.git] / dist / tcpdump / print-domain.c
blob07389dd2a671df240212bb4a3eec91733fa3bd2a
1 /* $NetBSD$ */
2
3 /*
4 * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
5 * The Regents of the University of California. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that: (1) source code distributions
9 * retain the above copyright notice and this paragraph in its entirety, (2)
10 * distributions including binary code include the above copyright notice and
11 * this paragraph in its entirety in the documentation or other materials
12 * provided with the distribution, and (3) all advertising materials mentioning
13 * features or use of this software display the following acknowledgement:
14 * ``This product includes software developed by the University of California,
15 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
16 * the University nor the names of its contributors may be used to endorse
17 * or promote products derived from this software without specific prior
18 * written permission.
19 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
20 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
21 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
22 */
23
24 #include <sys/cdefs.h>
25 #ifndef lint
26 #if 0
27 static const char rcsid[] _U_ =
28 "@(#) Header: /tcpdump/master/tcpdump/print-domain.c,v 1.89.2.8 2007/02/13 19:19:27 guy Exp (LBL)";
29 #else
30 __RCSID("$NetBSD: tcpdump2rcsid.ex,v 1.1 2001/06/25 20:09:58 itojun Exp $");
31 #endif
32 #endif
33
34 #ifdef HAVE_CONFIG_H
35 #include "config.h"
36 #endif
37
38 #include <tcpdump-stdinc.h>
39
40 #include "nameser.h"
41
42 #include <stdio.h>
43 #include <string.h>
44
45 #include "interface.h"
46 #include "addrtoname.h"
47 #include "extract.h" /* must come after interface.h */
48
49 static const char *ns_ops[] = {
50 "", " inv_q", " stat", " op3", " notify", " update", " op6", " op7",
51 " op8", " updataA", " updateD", " updateDA",
52 " updateM", " updateMA", " zoneInit", " zoneRef",
53 };
54
55 static const char *ns_resp[] = {
56 "", " FormErr", " ServFail", " NXDomain",
57 " NotImp", " Refused", " YXDomain", " YXRRSet",
58 " NXRRSet", " NotAuth", " NotZone", " Resp11",
59 " Resp12", " Resp13", " Resp14", " NoChange",
60 };
61
62 /* skip over a domain name */
63 static const u_char *
64 ns_nskip(register const u_char *cp)
65 {
66 register u_char i;
67
68 if (!TTEST2(*cp, 1))
69 return (NULL);
70 i = *cp++;
71 while (i) {
72 if ((i & INDIR_MASK) == INDIR_MASK)
73 return (cp + 1);
74 if ((i & INDIR_MASK) == EDNS0_MASK) {
75 int bitlen, bytelen;
76
77 if ((i & ~INDIR_MASK) != EDNS0_ELT_BITLABEL)
78 return(NULL); /* unknown ELT */
79 if (!TTEST2(*cp, 1))
80 return (NULL);
81 if ((bitlen = *cp++) == 0)
82 bitlen = 256;
83 bytelen = (bitlen + 7) / 8;
84 cp += bytelen;
85 } else
86 cp += i;
87 if (!TTEST2(*cp, 1))
88 return (NULL);
89 i = *cp++;
90 }
91 return (cp);
92 }
93
94 /* print a <domain-name> */
95 static const u_char *
96 blabel_print(const u_char *cp)
97 {
98 int bitlen, slen, b;
99 const u_char *bitp, *lim;
100 char tc;
101
102 if (!TTEST2(*cp, 1))
103 return(NULL);
104 if ((bitlen = *cp) == 0)
105 bitlen = 256;
106 slen = (bitlen + 3) / 4;
107 lim = cp + 1 + slen;
108
109 /* print the bit string as a hex string */
110 printf("\\[x");
111 for (bitp = cp + 1, b = bitlen; bitp < lim && b > 7; b -= 8, bitp++) {
112 TCHECK(*bitp);
113 printf("%02x", *bitp);
114 }
115 if (b > 4) {
116 TCHECK(*bitp);
117 tc = *bitp++;
118 printf("%02x", tc & (0xff << (8 - b)));
119 } else if (b > 0) {
120 TCHECK(*bitp);
121 tc = *bitp++;
122 printf("%1x", ((tc >> 4) & 0x0f) & (0x0f << (4 - b)));
123 }
124 printf("/%d]", bitlen);
125 return lim;
126 trunc:
127 printf(".../%d]", bitlen);
128 return NULL;
129 }
130
131 static int
132 labellen(const u_char *cp)
133 {
134 register u_int i;
135
136 if (!TTEST2(*cp, 1))
137 return(-1);
138 i = *cp;
139 if ((i & INDIR_MASK) == EDNS0_MASK) {
140 int bitlen, elt;
141 if ((elt = (i & ~INDIR_MASK)) != EDNS0_ELT_BITLABEL) {
142 printf("<ELT %d>", elt);
143 return(-1);
144 }
145 if (!TTEST2(*(cp + 1), 1))
146 return(-1);
147 if ((bitlen = *(cp + 1)) == 0)
148 bitlen = 256;
149 return(((bitlen + 7) / 8) + 1);
150 } else
151 return(i);
152 }
153
154 static const u_char *
155 ns_nprint(register const u_char *cp, register const u_char *bp)
156 {
157 register u_int i, l;
158 register const u_char *rp = NULL;
159 register int compress = 0;
160 int chars_processed;
161 int elt;
162 int data_size = snapend - bp;
163
164 if ((l = labellen(cp)) == (u_int)-1)
165 return(NULL);
166 if (!TTEST2(*cp, 1))
167 return(NULL);
168 chars_processed = 1;
169 if (((i = *cp++) & INDIR_MASK) != INDIR_MASK) {
170 compress = 0;
171 rp = cp + l;
172 }
173
174 if (i != 0)
175 while (i && cp < snapend) {
176 if ((i & INDIR_MASK) == INDIR_MASK) {
177 if (!compress) {
178 rp = cp + 1;
179 compress = 1;
180 }
181 if (!TTEST2(*cp, 1))
182 return(NULL);
183 cp = bp + (((i << 8) | *cp) & 0x3fff);
184 if ((l = labellen(cp)) == (u_int)-1)
185 return(NULL);
186 if (!TTEST2(*cp, 1))
187 return(NULL);
188 i = *cp++;
189 chars_processed++;
190
191 /*
192 * If we've looked at every character in
193 * the message, this pointer will make
194 * us look at some character again,
195 * which means we're looping.
196 */
197 if (chars_processed >= data_size) {
198 printf("<LOOP>");
199 return (NULL);
200 }
201 continue;
202 }
203 if ((i & INDIR_MASK) == EDNS0_MASK) {
204 elt = (i & ~INDIR_MASK);
205 switch(elt) {
206 case EDNS0_ELT_BITLABEL:
207 if (blabel_print(cp) == NULL)
208 return (NULL);
209 break;
210 default:
211 /* unknown ELT */
212 printf("<ELT %d>", elt);
213 return(NULL);
214 }
215 } else {
216 if (fn_printn(cp, l, snapend))
217 return(NULL);
218 }
219
220 cp += l;
221 chars_processed += l;
222 putchar('.');
223 if ((l = labellen(cp)) == (u_int)-1)
224 return(NULL);
225 if (!TTEST2(*cp, 1))
226 return(NULL);
227 i = *cp++;
228 chars_processed++;
229 if (!compress)
230 rp += l + 1;
231 }
232 else
233 putchar('.');
234 return (rp);
235 }
236
237 /* print a <character-string> */
238 static const u_char *
239 ns_cprint(register const u_char *cp)
240 {
241 register u_int i;
242
243 if (!TTEST2(*cp, 1))
244 return (NULL);
245 i = *cp++;
246 if (fn_printn(cp, i, snapend))
247 return (NULL);
248 return (cp + i);
249 }
250
251 /* http://www.iana.org/assignments/dns-parameters */
252 struct tok ns_type2str[] = {
253 { T_A, "A" }, /* RFC 1035 */
254 { T_NS, "NS" }, /* RFC 1035 */
255 { T_MD, "MD" }, /* RFC 1035 */
256 { T_MF, "MF" }, /* RFC 1035 */
257 { T_CNAME, "CNAME" }, /* RFC 1035 */
258 { T_SOA, "SOA" }, /* RFC 1035 */
259 { T_MB, "MB" }, /* RFC 1035 */
260 { T_MG, "MG" }, /* RFC 1035 */
261 { T_MR, "MR" }, /* RFC 1035 */
262 { T_NULL, "NULL" }, /* RFC 1035 */
263 { T_WKS, "WKS" }, /* RFC 1035 */
264 { T_PTR, "PTR" }, /* RFC 1035 */
265 { T_HINFO, "HINFO" }, /* RFC 1035 */
266 { T_MINFO, "MINFO" }, /* RFC 1035 */
267 { T_MX, "MX" }, /* RFC 1035 */
268 { T_TXT, "TXT" }, /* RFC 1035 */
269 { T_RP, "RP" }, /* RFC 1183 */
270 { T_AFSDB, "AFSDB" }, /* RFC 1183 */
271 { T_X25, "X25" }, /* RFC 1183 */
272 { T_ISDN, "ISDN" }, /* RFC 1183 */
273 { T_RT, "RT" }, /* RFC 1183 */
274 { T_NSAP, "NSAP" }, /* RFC 1706 */
275 { T_NSAP_PTR, "NSAP_PTR" },
276 { T_SIG, "SIG" }, /* RFC 2535 */
277 { T_KEY, "KEY" }, /* RFC 2535 */
278 { T_PX, "PX" }, /* RFC 2163 */
279 { T_GPOS, "GPOS" }, /* RFC 1712 */
280 { T_AAAA, "AAAA" }, /* RFC 1886 */
281 { T_LOC, "LOC" }, /* RFC 1876 */
282 { T_NXT, "NXT" }, /* RFC 2535 */
283 { T_EID, "EID" }, /* Nimrod */
284 { T_NIMLOC, "NIMLOC" }, /* Nimrod */
285 { T_SRV, "SRV" }, /* RFC 2782 */
286 { T_ATMA, "ATMA" }, /* ATM Forum */
287 { T_NAPTR, "NAPTR" }, /* RFC 2168, RFC 2915 */
288 { T_KX, "KX" }, /* RFC 2230 */
289 { T_CERT, "CERT" }, /* RFC 2538 */
290 { T_A6, "A6" }, /* RFC 2874 */
291 { T_DNAME, "DNAME" }, /* RFC 2672 */
292 { T_SINK, "SINK" },
293 { T_OPT, "OPT" }, /* RFC 2671 */
294 { T_APL, "APL" }, /* RFC 3123 */
295 { T_DS, "DS" }, /* RFC 4034 */
296 { T_SSHFP, "SSHFP" }, /* RFC 4255 */
297 { T_IPSECKEY, "IPSECKEY" }, /* RFC 4025 */
298 { T_RRSIG, "RRSIG" }, /* RFC 4034 */
299 { T_NSEC, "NSEC" }, /* RFC 4034 */
300 { T_DNSKEY, "DNSKEY" }, /* RFC 4034 */
301 { T_SPF, "SPF" }, /* RFC-schlitt-spf-classic-02.txt */
302 { T_UINFO, "UINFO" },
303 { T_UID, "UID" },
304 { T_GID, "GID" },
305 { T_UNSPEC, "UNSPEC" },
306 { T_UNSPECA, "UNSPECA" },
307 { T_TKEY, "TKEY" }, /* RFC 2930 */
308 { T_TSIG, "TSIG" }, /* RFC 2845 */
309 { T_IXFR, "IXFR" }, /* RFC 1995 */
310 { T_AXFR, "AXFR" }, /* RFC 1035 */
311 { T_MAILB, "MAILB" }, /* RFC 1035 */
312 { T_MAILA, "MAILA" }, /* RFC 1035 */
313 { T_ANY, "ANY" },
314 { 0, NULL }
315 };
316
317 struct tok ns_class2str[] = {
318 { C_IN, "IN" }, /* Not used */
319 { C_CHAOS, "CHAOS" },
320 { C_HS, "HS" },
321 { C_ANY, "ANY" },
322 { 0, NULL }
323 };
324
325 /* print a query */
326 static const u_char *
327 ns_qprint(register const u_char *cp, register const u_char *bp, int is_mdns)
328 {
329 register const u_char *np = cp;
330 register u_int i, class;
331
332 cp = ns_nskip(cp);
333
334 if (cp == NULL || !TTEST2(*cp, 4))
335 return(NULL);
336
337 /* print the qtype */
338 i = EXTRACT_16BITS(cp);
339 cp += 2;
340 printf(" %s", tok2str(ns_type2str, "Type%d", i));
341 /* print the qclass (if it's not IN) */
342 i = EXTRACT_16BITS(cp);
343 cp += 2;
344 if (is_mdns)
345 class = (i & ~C_QU);
346 else
347 class = i;
348 if (class != C_IN)
349 printf(" %s", tok2str(ns_class2str, "(Class %d)", class));
350 if (is_mdns) {
351 if (i & C_QU)
352 printf(" (QU)");
353 else
354 printf(" (QM)");
355 }
356
357 fputs("? ", stdout);
358 cp = ns_nprint(np, bp);
359 return(cp ? cp + 4 : NULL);
360 }
361
362 /* print a reply */
363 static const u_char *
364 ns_rprint(register const u_char *cp, register const u_char *bp, int is_mdns)
365 {
366 register u_int i, class, opt_flags = 0;
367 register u_short typ, len;
368 register const u_char *rp;
369
370 if (vflag) {
371 putchar(' ');
372 if ((cp = ns_nprint(cp, bp)) == NULL)
373 return NULL;
374 } else
375 cp = ns_nskip(cp);
376
377 if (cp == NULL || !TTEST2(*cp, 10))
378 return (snapend);
379
380 /* print the type/qtype */
381 typ = EXTRACT_16BITS(cp);
382 cp += 2;
383 /* print the class (if it's not IN and the type isn't OPT) */
384 i = EXTRACT_16BITS(cp);
385 cp += 2;
386 if (is_mdns)
387 class = (i & ~C_CACHE_FLUSH);
388 else
389 class = i;
390 if (class != C_IN && typ != T_OPT)
391 printf(" %s", tok2str(ns_class2str, "(Class %d)", class));
392 if (is_mdns) {
393 if (i & C_CACHE_FLUSH)
394 printf(" (Cache flush)");
395 }
396
397 /* ignore ttl */
398 cp += 2;
399 /* if T_OPT, save opt_flags */
400 if (typ == T_OPT)
401 opt_flags = EXTRACT_16BITS(cp);
402 /* ignore rest of ttl */
403 cp += 2;
404
405 len = EXTRACT_16BITS(cp);
406 cp += 2;
407
408 rp = cp + len;
409
410 printf(" %s", tok2str(ns_type2str, "Type%d", typ));
411 if (rp > snapend)
412 return(NULL);
413
414 switch (typ) {
415 case T_A:
416 if (!TTEST2(*cp, sizeof(struct in_addr)))
417 return(NULL);
418 printf(" %s", ipaddr_string(cp));
419 break;
420
421 case T_NS:
422 case T_CNAME:
423 case T_PTR:
424 #ifdef T_DNAME
425 case T_DNAME:
426 #endif
427 putchar(' ');
428 if (ns_nprint(cp, bp) == NULL)
429 return(NULL);
430 break;
431
432 case T_SOA:
433 if (!vflag)
434 break;
435 putchar(' ');
436 if ((cp = ns_nprint(cp, bp)) == NULL)
437 return(NULL);
438 putchar(' ');
439 if ((cp = ns_nprint(cp, bp)) == NULL)
440 return(NULL);
441 if (!TTEST2(*cp, 5 * 4))
442 return(NULL);
443 printf(" %u", EXTRACT_32BITS(cp));
444 cp += 4;
445 printf(" %u", EXTRACT_32BITS(cp));
446 cp += 4;
447 printf(" %u", EXTRACT_32BITS(cp));
448 cp += 4;
449 printf(" %u", EXTRACT_32BITS(cp));
450 cp += 4;
451 printf(" %u", EXTRACT_32BITS(cp));
452 cp += 4;
453 break;
454 case T_MX:
455 putchar(' ');
456 if (!TTEST2(*cp, 2))
457 return(NULL);
458 if (ns_nprint(cp + 2, bp) == NULL)
459 return(NULL);
460 printf(" %d", EXTRACT_16BITS(cp));
461 break;
462
463 case T_TXT:
464 while (cp < rp) {
465 printf(" \"");
466 cp = ns_cprint(cp);
467 if (cp == NULL)
468 return(NULL);
469 putchar('"');
470 }
471 break;
472
473 case T_SRV:
474 putchar(' ');
475 if (!TTEST2(*cp, 6))
476 return(NULL);
477 if (ns_nprint(cp + 6, bp) == NULL)
478 return(NULL);
479 printf(":%d %d %d", EXTRACT_16BITS(cp + 4),
480 EXTRACT_16BITS(cp), EXTRACT_16BITS(cp + 2));
481 break;
482
483 #ifdef INET6
484 case T_AAAA:
485 if (!TTEST2(*cp, sizeof(struct in6_addr)))
486 return(NULL);
487 printf(" %s", ip6addr_string(cp));
488 break;
489
490 case T_A6:
491 {
492 struct in6_addr a;
493 int pbit, pbyte;
494
495 if (!TTEST2(*cp, 1))
496 return(NULL);
497 pbit = *cp;
498 pbyte = (pbit & ~7) / 8;
499 if (pbit > 128) {
500 printf(" %u(bad plen)", pbit);
501 break;
502 } else if (pbit < 128) {
503 if (!TTEST2(*(cp + 1), sizeof(a) - pbyte))
504 return(NULL);
505 memset(&a, 0, sizeof(a));
506 memcpy(&a.s6_addr[pbyte], cp + 1, sizeof(a) - pbyte);
507 printf(" %u %s", pbit, ip6addr_string(&a));
508 }
509 if (pbit > 0) {
510 putchar(' ');
511 if (ns_nprint(cp + 1 + sizeof(a) - pbyte, bp) == NULL)
512 return(NULL);
513 }
514 break;
515 }
516 #endif /*INET6*/
517
518 case T_OPT:
519 printf(" UDPsize=%u", class);
520 if (opt_flags & 0x8000)
521 printf(" OK");
522 break;
523
524 case T_UNSPECA: /* One long string */
525 if (!TTEST2(*cp, len))
526 return(NULL);
527 if (fn_printn(cp, len, snapend))
528 return(NULL);
529 break;
530
531 case T_TSIG:
532 {
533 if (cp + len > snapend)
534 return(NULL);
535 if (!vflag)
536 break;
537 putchar(' ');
538 if ((cp = ns_nprint(cp, bp)) == NULL)
539 return(NULL);
540 cp += 6;
541 if (!TTEST2(*cp, 2))
542 return(NULL);
543 printf(" fudge=%u", EXTRACT_16BITS(cp));
544 cp += 2;
545 if (!TTEST2(*cp, 2))
546 return(NULL);
547 printf(" maclen=%u", EXTRACT_16BITS(cp));
548 cp += 2 + EXTRACT_16BITS(cp);
549 if (!TTEST2(*cp, 2))
550 return(NULL);
551 printf(" origid=%u", EXTRACT_16BITS(cp));
552 cp += 2;
553 if (!TTEST2(*cp, 2))
554 return(NULL);
555 printf(" error=%u", EXTRACT_16BITS(cp));
556 cp += 2;
557 if (!TTEST2(*cp, 2))
558 return(NULL);
559 printf(" otherlen=%u", EXTRACT_16BITS(cp));
560 cp += 2;
561 }
562 }
563 return (rp); /* XXX This isn't always right */
564 }
565
566 void
567 ns_print(register const u_char *bp, u_int length, int is_mdns)
568 {
569 register const HEADER *np;
570 register int qdcount, ancount, nscount, arcount;
571 register const u_char *cp;
572 u_int16_t b2;
573
574 np = (const HEADER *)bp;
575 TCHECK(*np);
576 /* get the byte-order right */
577 qdcount = EXTRACT_16BITS(&np->qdcount);
578 ancount = EXTRACT_16BITS(&np->ancount);
579 nscount = EXTRACT_16BITS(&np->nscount);
580 arcount = EXTRACT_16BITS(&np->arcount);
581
582 if (DNS_QR(np)) {
583 /* this is a response */
584 printf("%d%s%s%s%s%s%s",
585 EXTRACT_16BITS(&np->id),
586 ns_ops[DNS_OPCODE(np)],
587 ns_resp[DNS_RCODE(np)],
588 DNS_AA(np)? "*" : "",
589 DNS_RA(np)? "" : "-",
590 DNS_TC(np)? "|" : "",
591 DNS_AD(np)? "$" : "");
592
593 if (qdcount != 1)
594 printf(" [%dq]", qdcount);
595 /* Print QUESTION section on -vv */
596 cp = (const u_char *)(np + 1);
597 while (qdcount--) {
598 if (qdcount < EXTRACT_16BITS(&np->qdcount) - 1)
599 putchar(',');
600 if (vflag > 1) {
601 fputs(" q:", stdout);
602 if ((cp = ns_qprint(cp, bp, is_mdns)) == NULL)
603 goto trunc;
604 } else {
605 if ((cp = ns_nskip(cp)) == NULL)
606 goto trunc;
607 cp += 4; /* skip QTYPE and QCLASS */
608 }
609 }
610 printf(" %d/%d/%d", ancount, nscount, arcount);
611 if (ancount--) {
612 if ((cp = ns_rprint(cp, bp, is_mdns)) == NULL)
613 goto trunc;
614 while (cp < snapend && ancount--) {
615 putchar(',');
616 if ((cp = ns_rprint(cp, bp, is_mdns)) == NULL)
617 goto trunc;
618 }
619 }
620 if (ancount > 0)
621 goto trunc;
622 /* Print NS and AR sections on -vv */
623 if (vflag > 1) {
624 if (cp < snapend && nscount--) {
625 fputs(" ns:", stdout);
626 if ((cp = ns_rprint(cp, bp, is_mdns)) == NULL)
627 goto trunc;
628 while (cp < snapend && nscount--) {
629 putchar(',');
630 if ((cp = ns_rprint(cp, bp, is_mdns)) == NULL)
631 goto trunc;
632 }
633 }
634 if (nscount > 0)
635 goto trunc;
636 if (cp < snapend && arcount--) {
637 fputs(" ar:", stdout);
638 if ((cp = ns_rprint(cp, bp, is_mdns)) == NULL)
639 goto trunc;
640 while (cp < snapend && arcount--) {
641 putchar(',');
642 if ((cp = ns_rprint(cp, bp, is_mdns)) == NULL)
643 goto trunc;
644 }
645 }
646 if (arcount > 0)
647 goto trunc;
648 }
649 }
650 else {
651 /* this is a request */
652 printf("%d%s%s%s", EXTRACT_16BITS(&np->id), ns_ops[DNS_OPCODE(np)],
653 DNS_RD(np) ? "+" : "",
654 DNS_CD(np) ? "%" : "");
655
656 /* any weirdness? */
657 b2 = EXTRACT_16BITS(((u_short *)np)+1);
658 if (b2 & 0x6cf)
659 printf(" [b2&3=0x%x]", b2);
660
661 if (DNS_OPCODE(np) == IQUERY) {
662 if (qdcount)
663 printf(" [%dq]", qdcount);
664 if (ancount != 1)
665 printf(" [%da]", ancount);
666 }
667 else {
668 if (ancount)
669 printf(" [%da]", ancount);
670 if (qdcount != 1)
671 printf(" [%dq]", qdcount);
672 }
673 if (nscount)
674 printf(" [%dn]", nscount);
675 if (arcount)
676 printf(" [%dau]", arcount);
677
678 cp = (const u_char *)(np + 1);
679 if (qdcount--) {
680 cp = ns_qprint(cp, (const u_char *)np, is_mdns);
681 if (!cp)
682 goto trunc;
683 while (cp < snapend && qdcount--) {
684 cp = ns_qprint((const u_char *)cp,
685 (const u_char *)np,
686 is_mdns);
687 if (!cp)
688 goto trunc;
689 }
690 }
691 if (qdcount > 0)
692 goto trunc;
693
694 /* Print remaining sections on -vv */
695 if (vflag > 1) {
696 if (ancount--) {
697 if ((cp = ns_rprint(cp, bp, is_mdns)) == NULL)
698 goto trunc;
699 while (cp < snapend && ancount--) {
700 putchar(',');
701 if ((cp = ns_rprint(cp, bp, is_mdns)) == NULL)
702 goto trunc;
703 }
704 }
705 if (ancount > 0)
706 goto trunc;
707 if (cp < snapend && nscount--) {
708 fputs(" ns:", stdout);
709 if ((cp = ns_rprint(cp, bp, is_mdns)) == NULL)
710 goto trunc;
711 while (nscount-- && cp < snapend) {
712 putchar(',');
713 if ((cp = ns_rprint(cp, bp, is_mdns)) == NULL)
714 goto trunc;
715 }
716 }
717 if (nscount > 0)
718 goto trunc;
719 if (cp < snapend && arcount--) {
720 fputs(" ar:", stdout);
721 if ((cp = ns_rprint(cp, bp, is_mdns)) == NULL)
722 goto trunc;
723 while (cp < snapend && arcount--) {
724 putchar(',');
725 if ((cp = ns_rprint(cp, bp, is_mdns)) == NULL)
726 goto trunc;
727 }
728 }
729 if (arcount > 0)
730 goto trunc;
731 }
732 }
733 printf(" (%d)", length);
734 return;
735
736 trunc:
737 printf("[|domain]");
738 return;
739 }
NetBSD on the FriendlyARM MINI2440