1 /*
2 * Copyright (c) 1988, 1989, 1990, 1991, 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 #include <sys/cdefs.h>
23 #ifndef lint
24 __RCSID("$NetBSD: print-udp.c,v 1.11 2024/09/02 16:15:33 christos Exp $");
25 #endif
26
27 /* \summary: UDP printer */
28
29 #include <config.h>
30
31 #include "netdissect-stdinc.h"
32
33 #include "netdissect.h"
34 #include "addrtoname.h"
35 #include "extract.h"
36 #include "appletalk.h"
37
38 #include "udp.h"
39
40 #include "ip.h"
41 #include "ip6.h"
42 #include "ipproto.h"
43 #include "rpc_auth.h"
44 #include "rpc_msg.h"
45
46 #include "nfs.h"
47
48
49 struct rtcphdr {
50 nd_uint16_t rh_flags; /* T:2 P:1 CNT:5 PT:8 */
51 nd_uint16_t rh_len; /* length of message (in words) */
52 nd_uint32_t rh_ssrc; /* synchronization src id */
53 };
54
55 typedef struct {
56 nd_uint32_t upper; /* more significant 32 bits */
57 nd_uint32_t lower; /* less significant 32 bits */
58 } ntp64;
59
60 /*
61 * Sender report.
62 */
63 struct rtcp_sr {
64 ntp64 sr_ntp; /* 64-bit ntp timestamp */
65 nd_uint32_t sr_ts; /* reference media timestamp */
66 nd_uint32_t sr_np; /* no. packets sent */
67 nd_uint32_t sr_nb; /* no. bytes sent */
68 };
69
70 /*
71 * Receiver report.
72 * Time stamps are middle 32-bits of ntp timestamp.
73 */
74 struct rtcp_rr {
75 nd_uint32_t rr_srcid; /* sender being reported */
76 nd_uint32_t rr_nl; /* no. packets lost */
77 nd_uint32_t rr_ls; /* extended last seq number received */
78 nd_uint32_t rr_dv; /* jitter (delay variance) */
79 nd_uint32_t rr_lsr; /* orig. ts from last rr from this src */
80 nd_uint32_t rr_dlsr; /* time from recpt of last rr to xmit time */
81 };
82
83 /*XXX*/
84 #define RTCP_PT_SR 200
85 #define RTCP_PT_RR 201
86 #define RTCP_PT_SDES 202
87 #define RTCP_SDES_CNAME 1
88 #define RTCP_SDES_NAME 2
89 #define RTCP_SDES_EMAIL 3
90 #define RTCP_SDES_PHONE 4
91 #define RTCP_SDES_LOC 5
92 #define RTCP_SDES_TOOL 6
93 #define RTCP_SDES_NOTE 7
94 #define RTCP_SDES_PRIV 8
95 #define RTCP_PT_BYE 203
96 #define RTCP_PT_APP 204
97
98 static void
vat_print(netdissect_options * ndo,const u_char * hdr,u_int length)99 vat_print(netdissect_options *ndo, const u_char *hdr, u_int length)
100 {
101 /* vat/vt audio */
102 u_int ts;
103
104 ndo->ndo_protocol = "vat";
105 if (length < 2) {
106 ND_PRINT("udp/va/vat, length %u < 2", length);
107 return;
108 }
109 ts = GET_BE_U_2(hdr);
110 if ((ts & 0xf060) != 0) {
111 /* probably vt */
112 ND_PRINT("udp/vt %u %u / %u",
113 length,
114 ts & 0x3ff, ts >> 10);
115 } else {
116 /* probably vat */
117 uint32_t i0, i1;
118
119 if (length < 8) {
120 ND_PRINT("udp/vat, length %u < 8", length);
121 return;
122 }
123 i0 = GET_BE_U_4(&((const u_int *)hdr)[0]);
124 i1 = GET_BE_U_4(&((const u_int *)hdr)[1]);
125 ND_PRINT("udp/vat %u c%u %u%s",
126 length - 8,
127 i0 & 0xffff,
128 i1, i0 & 0x800000? "*" : "");
129 /* audio format */
130 if (i0 & 0x1f0000)
131 ND_PRINT(" f%u", (i0 >> 16) & 0x1f);
132 if (i0 & 0x3f000000)
133 ND_PRINT(" s%u", (i0 >> 24) & 0x3f);
134 }
135 }
136
137 static void
rtp_print(netdissect_options * ndo,const u_char * hdr,u_int len)138 rtp_print(netdissect_options *ndo, const u_char *hdr, u_int len)
139 {
140 /* rtp v1 or v2 */
141 const u_int *ip = (const u_int *)hdr;
142 u_int hasopt, hasext, contype, hasmarker, dlen;
143 uint32_t i0, i1;
144 const char * ptype;
145
146 ndo->ndo_protocol = "rtp";
147 if (len < 8) {
148 ND_PRINT("udp/rtp, length %u < 8", len);
149 return;
150 }
151 i0 = GET_BE_U_4(&((const u_int *)hdr)[0]);
152 i1 = GET_BE_U_4(&((const u_int *)hdr)[1]);
153 dlen = len - 8;
154 ip += 2;
155 len >>= 2;
156 len -= 2;
157 hasopt = 0;
158 hasext = 0;
159 if ((i0 >> 30) == 1) {
160 /* rtp v1 - draft-ietf-avt-rtp-04 */
161 hasopt = i0 & 0x800000;
162 contype = (i0 >> 16) & 0x3f;
163 hasmarker = i0 & 0x400000;
164 ptype = "rtpv1";
165 } else {
166 /* rtp v2 - RFC 3550 */
167 if (dlen < 4) {
168 ND_PRINT("udp/rtp, length %u < 12", dlen + 8);
169 return;
170 }
171 hasext = i0 & 0x10000000;
172 contype = (i0 >> 16) & 0x7f;
173 hasmarker = i0 & 0x800000;
174 dlen -= 4;
175 ptype = "rtp";
176 ip += 1;
177 len -= 1;
178 }
179 ND_PRINT("udp/%s %u c%u %s%s %u %u",
180 ptype,
181 dlen,
182 contype,
183 (hasopt || hasext)? "+" : "",
184 hasmarker? "*" : "",
185 i0 & 0xffff,
186 i1);
187 if (ndo->ndo_vflag) {
188 ND_PRINT(" %u", GET_BE_U_4(&((const u_int *)hdr)[2]));
189 if (hasopt) {
190 u_int i2, optlen;
191 do {
192 i2 = GET_BE_U_4(ip);
193 optlen = (i2 >> 16) & 0xff;
194 if (optlen == 0 || optlen > len) {
195 ND_PRINT(" !opt");
196 return;
197 }
198 ip += optlen;
199 len -= optlen;
200 } while ((int)i2 >= 0);
201 }
202 if (hasext) {
203 u_int i2, extlen;
204 i2 = GET_BE_U_4(ip);
205 extlen = (i2 & 0xffff) + 1;
206 if (extlen > len) {
207 ND_PRINT(" !ext");
208 return;
209 }
210 ip += extlen;
211 }
212 if (contype == 0x1f) /*XXX H.261 */
213 ND_PRINT(" 0x%04x", GET_BE_U_4(ip) >> 16);
214 }
215 }
216
217 static const u_char *
rtcp_print(netdissect_options * ndo,const u_char * hdr,const u_char * ep)218 rtcp_print(netdissect_options *ndo, const u_char *hdr, const u_char *ep)
219 {
220 /* rtp v2 control (rtcp) */
221 const struct rtcp_rr *rr = 0;
222 const struct rtcp_sr *sr;
223 const struct rtcphdr *rh = (const struct rtcphdr *)hdr;
224 u_int len;
225 uint16_t flags;
226 u_int cnt;
227 double ts, dts;
228
229 ndo->ndo_protocol = "rtcp";
230 if ((const u_char *)(rh + 1) > ep)
231 goto trunc;
232 ND_TCHECK_SIZE(rh);
233 len = (GET_BE_U_2(rh->rh_len) + 1) * 4;
234 flags = GET_BE_U_2(rh->rh_flags);
235 cnt = (flags >> 8) & 0x1f;
236 switch (flags & 0xff) {
237 case RTCP_PT_SR:
238 sr = (const struct rtcp_sr *)(rh + 1);
239 ND_PRINT(" sr");
240 if (len != cnt * sizeof(*rr) + sizeof(*sr) + sizeof(*rh))
241 ND_PRINT(" [%u]", len);
242 if (ndo->ndo_vflag)
243 ND_PRINT(" %u", GET_BE_U_4(rh->rh_ssrc));
244 if ((const u_char *)(sr + 1) > ep)
245 goto trunc;
246 ND_TCHECK_SIZE(sr);
247 ts = (double)(GET_BE_U_4(sr->sr_ntp.upper)) +
248 ((double)(GET_BE_U_4(sr->sr_ntp.lower)) /
249 FMAXINT);
250 ND_PRINT(" @%.2f %u %up %ub", ts, GET_BE_U_4(sr->sr_ts),
251 GET_BE_U_4(sr->sr_np), GET_BE_U_4(sr->sr_nb));
252 rr = (const struct rtcp_rr *)(sr + 1);
253 break;
254 case RTCP_PT_RR:
255 ND_PRINT(" rr");
256 if (len != cnt * sizeof(*rr) + sizeof(*rh))
257 ND_PRINT(" [%u]", len);
258 rr = (const struct rtcp_rr *)(rh + 1);
259 if (ndo->ndo_vflag)
260 ND_PRINT(" %u", GET_BE_U_4(rh->rh_ssrc));
261 break;
262 case RTCP_PT_SDES:
263 ND_PRINT(" sdes %u", len);
264 if (ndo->ndo_vflag)
265 ND_PRINT(" %u", GET_BE_U_4(rh->rh_ssrc));
266 cnt = 0;
267 break;
268 case RTCP_PT_BYE:
269 ND_PRINT(" bye %u", len);
270 if (ndo->ndo_vflag)
271 ND_PRINT(" %u", GET_BE_U_4(rh->rh_ssrc));
272 cnt = 0;
273 break;
274 default:
275 ND_PRINT(" type-0x%x %u", flags & 0xff, len);
276 cnt = 0;
277 break;
278 }
279 if (cnt > 1)
280 ND_PRINT(" c%u", cnt);
281 while (cnt != 0) {
282 if ((const u_char *)(rr + 1) > ep)
283 goto trunc;
284 ND_TCHECK_SIZE(rr);
285 if (ndo->ndo_vflag)
286 ND_PRINT(" %u", GET_BE_U_4(rr->rr_srcid));
287 ts = (double)(GET_BE_U_4(rr->rr_lsr)) / 65536.;
288 dts = (double)(GET_BE_U_4(rr->rr_dlsr)) / 65536.;
289 ND_PRINT(" %ul %us %uj @%.2f+%.2f",
290 GET_BE_U_4(rr->rr_nl) & 0x00ffffff,
291 GET_BE_U_4(rr->rr_ls),
292 GET_BE_U_4(rr->rr_dv), ts, dts);
293 cnt--;
294 }
295 return (hdr + len);
296
297 trunc:
298 nd_print_trunc(ndo);
299 return ep;
300 }
301
udp_cksum(netdissect_options * ndo,const struct ip * ip,const struct udphdr * up,u_int len)302 static uint16_t udp_cksum(netdissect_options *ndo, const struct ip *ip,
303 const struct udphdr *up,
304 u_int len)
305 {
306 return nextproto4_cksum(ndo, ip, (const uint8_t *)(const void *)up, len, len,
307 IPPROTO_UDP);
308 }
309
udp6_cksum(netdissect_options * ndo,const struct ip6_hdr * ip6,const struct udphdr * up,u_int len)310 static uint16_t udp6_cksum(netdissect_options *ndo, const struct ip6_hdr *ip6,
311 const struct udphdr *up, u_int len)
312 {
313 return nextproto6_cksum(ndo, ip6, (const uint8_t *)(const void *)up, len, len,
314 IPPROTO_UDP);
315 }
316
317 static void
udpipaddr_print(netdissect_options * ndo,const struct ip * ip,int sport,int dport)318 udpipaddr_print(netdissect_options *ndo, const struct ip *ip, int sport, int dport)
319 {
320 const struct ip6_hdr *ip6;
321
322 if (IP_V(ip) == 6)
323 ip6 = (const struct ip6_hdr *)ip;
324 else
325 ip6 = NULL;
326
327 if (ip6) {
328 if (GET_U_1(ip6->ip6_nxt) == IPPROTO_UDP) {
329 if (sport == -1) {
330 ND_PRINT("%s > %s: ",
331 GET_IP6ADDR_STRING(ip6->ip6_src),
332 GET_IP6ADDR_STRING(ip6->ip6_dst));
333 } else {
334 ND_PRINT("%s.%s > %s.%s: ",
335 GET_IP6ADDR_STRING(ip6->ip6_src),
336 udpport_string(ndo, (uint16_t)sport),
337 GET_IP6ADDR_STRING(ip6->ip6_dst),
338 udpport_string(ndo, (uint16_t)dport));
339 }
340 } else {
341 if (sport != -1) {
342 ND_PRINT("%s > %s: ",
343 udpport_string(ndo, (uint16_t)sport),
344 udpport_string(ndo, (uint16_t)dport));
345 }
346 }
347 } else {
348 if (GET_U_1(ip->ip_p) == IPPROTO_UDP) {
349 if (sport == -1) {
350 ND_PRINT("%s > %s: ",
351 GET_IPADDR_STRING(ip->ip_src),
352 GET_IPADDR_STRING(ip->ip_dst));
353 } else {
354 ND_PRINT("%s.%s > %s.%s: ",
355 GET_IPADDR_STRING(ip->ip_src),
356 udpport_string(ndo, (uint16_t)sport),
357 GET_IPADDR_STRING(ip->ip_dst),
358 udpport_string(ndo, (uint16_t)dport));
359 }
360 } else {
361 if (sport != -1) {
362 ND_PRINT("%s > %s: ",
363 udpport_string(ndo, (uint16_t)sport),
364 udpport_string(ndo, (uint16_t)dport));
365 }
366 }
367 }
368 }
369
370 UNALIGNED_OK
371 void
udp_print(netdissect_options * ndo,const u_char * bp,u_int length,const u_char * bp2,int fragmented,u_int ttl_hl)372 udp_print(netdissect_options *ndo, const u_char *bp, u_int length,
373 const u_char *bp2, int fragmented, u_int ttl_hl)
374 {
375 const struct udphdr *up;
376 const struct ip *ip;
377 const u_char *cp;
378 const u_char *ep = ndo->ndo_snapend;
379 uint16_t sport, dport;
380 u_int ulen;
381 const struct ip6_hdr *ip6;
382
383 ndo->ndo_protocol = "udp";
384 up = (const struct udphdr *)bp;
385 ip = (const struct ip *)bp2;
386 if (IP_V(ip) == 6)
387 ip6 = (const struct ip6_hdr *)bp2;
388 else
389 ip6 = NULL;
390 if (!ND_TTEST_2(up->uh_dport)) {
391 udpipaddr_print(ndo, ip, -1, -1);
392 goto trunc;
393 }
394
395 sport = GET_BE_U_2(up->uh_sport);
396 dport = GET_BE_U_2(up->uh_dport);
397
398 if (length < sizeof(struct udphdr)) {
399 udpipaddr_print(ndo, ip, sport, dport);
400 ND_PRINT("truncated-udp %u", length);
401 return;
402 }
403 if (!ND_TTEST_2(up->uh_ulen)) {
404 udpipaddr_print(ndo, ip, sport, dport);
405 goto trunc;
406 }
407 ulen = GET_BE_U_2(up->uh_ulen);
408 /*
409 * IPv6 Jumbo Datagrams; see RFC 2675.
410 * If the length is zero, and the length provided to us is
411 * > 65535, use the provided length as the length.
412 */
413 if (ulen == 0 && length > 65535)
414 ulen = length;
415 if (ulen < sizeof(struct udphdr)) {
416 udpipaddr_print(ndo, ip, sport, dport);
417 ND_PRINT("truncated-udplength %u", ulen);
418 return;
419 }
420 ulen -= sizeof(struct udphdr);
421 length -= sizeof(struct udphdr);
422 if (ulen < length)
423 length = ulen;
424
425 cp = (const u_char *)(up + 1);
426 if (cp > ndo->ndo_snapend) {
427 udpipaddr_print(ndo, ip, sport, dport);
428 goto trunc;
429 }
430
431 if (ndo->ndo_packettype) {
432 const struct sunrpc_msg *rp;
433 enum sunrpc_msg_type direction;
434
435 switch (ndo->ndo_packettype) {
436
437 case PT_VAT:
438 udpipaddr_print(ndo, ip, sport, dport);
439 vat_print(ndo, cp, length);
440 break;
441
442 case PT_WB:
443 udpipaddr_print(ndo, ip, sport, dport);
444 wb_print(ndo, cp, length);
445 break;
446
447 case PT_RPC:
448 rp = (const struct sunrpc_msg *)cp;
449 direction = (enum sunrpc_msg_type) GET_BE_U_4(rp->rm_direction);
450 if (direction == SUNRPC_CALL)
451 sunrpc_print(ndo, (const u_char *)rp, length,
452 (const u_char *)ip);
453 else
454 nfsreply_print(ndo, (const u_char *)rp, length,
455 (const u_char *)ip); /*XXX*/
456 break;
457
458 case PT_RTP:
459 udpipaddr_print(ndo, ip, sport, dport);
460 rtp_print(ndo, cp, length);
461 break;
462
463 case PT_RTCP:
464 udpipaddr_print(ndo, ip, sport, dport);
465 while (cp < ep)
466 cp = rtcp_print(ndo, cp, ep);
467 break;
468
469 case PT_SNMP:
470 udpipaddr_print(ndo, ip, sport, dport);
471 snmp_print(ndo, cp, length);
472 break;
473
474 case PT_CNFP:
475 udpipaddr_print(ndo, ip, sport, dport);
476 cnfp_print(ndo, cp);
477 break;
478
479 case PT_TFTP:
480 udpipaddr_print(ndo, ip, sport, dport);
481 tftp_print(ndo, cp, length);
482 break;
483
484 case PT_AODV:
485 udpipaddr_print(ndo, ip, sport, dport);
486 aodv_print(ndo, cp, length, IP_V(ip) == 6);
487 break;
488
489 case PT_RADIUS:
490 udpipaddr_print(ndo, ip, sport, dport);
491 radius_print(ndo, cp, length);
492 break;
493
494 case PT_VXLAN:
495 udpipaddr_print(ndo, ip, sport, dport);
496 vxlan_print(ndo, cp, length);
497 break;
498
499 case PT_PGM:
500 case PT_PGM_ZMTP1:
501 udpipaddr_print(ndo, ip, sport, dport);
502 pgm_print(ndo, cp, length, bp2);
503 break;
504 case PT_LMP:
505 udpipaddr_print(ndo, ip, sport, dport);
506 lmp_print(ndo, cp, length);
507 break;
508 case PT_PTP:
509 udpipaddr_print(ndo, ip, sport, dport);
510 ptp_print(ndo, cp, length);
511 break;
512 case PT_SOMEIP:
513 udpipaddr_print(ndo, ip, sport, dport);
514 someip_print(ndo, cp, length);
515 break;
516 case PT_DOMAIN:
517 udpipaddr_print(ndo, ip, sport, dport);
518 /* over_tcp: FALSE, is_mdns: FALSE */
519 domain_print(ndo, cp, length, FALSE, FALSE);
520 break;
521 }
522 return;
523 }
524
525 udpipaddr_print(ndo, ip, sport, dport);
526 if (!ndo->ndo_qflag) {
527 const struct sunrpc_msg *rp;
528 enum sunrpc_msg_type direction;
529
530 rp = (const struct sunrpc_msg *)cp;
531 if (ND_TTEST_4(rp->rm_direction)) {
532 direction = (enum sunrpc_msg_type) GET_BE_U_4(rp->rm_direction);
533 if (dport == NFS_PORT && direction == SUNRPC_CALL) {
534 ND_PRINT("NFS request xid %u ",
535 GET_BE_U_4(rp->rm_xid));
536 nfsreq_noaddr_print(ndo, (const u_char *)rp, length,
537 (const u_char *)ip);
538 return;
539 }
540 if (sport == NFS_PORT && direction == SUNRPC_REPLY) {
541 ND_PRINT("NFS reply xid %u ",
542 GET_BE_U_4(rp->rm_xid));
543 nfsreply_noaddr_print(ndo, (const u_char *)rp, length,
544 (const u_char *)ip);
545 return;
546 }
547 #ifdef notdef
548 if (dport == SUNRPC_PORT && direction == SUNRPC_CALL) {
549 sunrpc_print((const u_char *)rp, length, (const u_char *)ip);
550 return;
551 }
552 #endif
553 }
554 }
555
556 if (ndo->ndo_vflag && !ndo->ndo_Kflag && !fragmented) {
557 /* Check the checksum, if possible. */
558 uint16_t sum, udp_sum;
559
560 /*
561 * XXX - do this even if vflag == 1?
562 * TCP does, and we do so for UDP-over-IPv6.
563 */
564 if (IP_V(ip) == 4 && (ndo->ndo_vflag > 1)) {
565 udp_sum = GET_BE_U_2(up->uh_sum);
566 if (udp_sum == 0) {
567 ND_PRINT("[no cksum] ");
568 } else if (ND_TTEST_LEN(cp, length)) {
569 sum = udp_cksum(ndo, ip, up, length + sizeof(struct udphdr));
570
571 if (sum != 0) {
572 ND_PRINT("[bad udp cksum 0x%04x -> 0x%04x!] ",
573 udp_sum,
574 in_cksum_shouldbe(udp_sum, sum));
575 } else
576 ND_PRINT("[udp sum ok] ");
577 }
578 } else if (IP_V(ip) == 6) {
579 /* for IPv6, UDP checksum is mandatory */
580 if (ND_TTEST_LEN(cp, length)) {
581 sum = udp6_cksum(ndo, ip6, up, length + sizeof(struct udphdr));
582 udp_sum = GET_BE_U_2(up->uh_sum);
583
584 if (sum != 0) {
585 ND_PRINT("[bad udp cksum 0x%04x -> 0x%04x!] ",
586 udp_sum,
587 in_cksum_shouldbe(udp_sum, sum));
588 } else
589 ND_PRINT("[udp sum ok] ");
590 }
591 }
592 }
593
594 if (!ndo->ndo_qflag) {
595 if (IS_SRC_OR_DST_PORT(NAMESERVER_PORT))
596 /* over_tcp: FALSE, is_mdns: FALSE */
597 domain_print(ndo, cp, length, FALSE, FALSE);
598 else if (IS_SRC_OR_DST_PORT(BOOTPC_PORT) ||
599 IS_SRC_OR_DST_PORT(BOOTPS_PORT))
600 bootp_print(ndo, cp, length);
601 else if (IS_SRC_OR_DST_PORT(TFTP_PORT))
602 tftp_print(ndo, cp, length);
603 else if (IS_SRC_OR_DST_PORT(KERBEROS_PORT))
604 krb_print(ndo, (const u_char *)cp);
605 else if (IS_SRC_OR_DST_PORT(NTP_PORT))
606 ntp_print(ndo, cp, length);
607 #ifdef ENABLE_SMB
608 else if (IS_SRC_OR_DST_PORT(NETBIOS_NS_PORT))
609 nbt_udp137_print(ndo, cp, length);
610 else if (IS_SRC_OR_DST_PORT(NETBIOS_DGRAM_PORT))
611 nbt_udp138_print(ndo, cp, length);
612 #endif
613 else if (IS_SRC_OR_DST_PORT(SNMP_PORT) ||
614 IS_SRC_OR_DST_PORT(SNMPTRAP_PORT))
615 snmp_print(ndo, cp, length);
616 else if (IS_SRC_OR_DST_PORT(PTP_EVENT_PORT) ||
617 IS_SRC_OR_DST_PORT(PTP_GENERAL_PORT))
618 ptp_print(ndo, cp, length);
619 else if (IS_SRC_OR_DST_PORT(CISCO_AUTORP_PORT))
620 cisco_autorp_print(ndo, cp, length);
621 else if (IS_SRC_OR_DST_PORT(ISAKMP_PORT))
622 isakmp_print(ndo, cp, length, bp2);
623 else if (IS_SRC_OR_DST_PORT(SYSLOG_PORT))
624 syslog_print(ndo, cp, length);
625 else if (IS_SRC_OR_DST_PORT(RIP_PORT))
626 rip_print(ndo, cp, length);
627 else if (IS_SRC_OR_DST_PORT(RIPNG_PORT))
628 ripng_print(ndo, cp, length);
629 else if (IS_SRC_OR_DST_PORT(TIMED_PORT))
630 timed_print(ndo, (const u_char *)cp);
631 else if (IS_SRC_OR_DST_PORT(DHCP6_SERV_PORT) ||
632 IS_SRC_OR_DST_PORT(DHCP6_CLI_PORT))
633 dhcp6_print(ndo, cp, length);
634 else if (IS_SRC_OR_DST_PORT(LDP_PORT))
635 ldp_print(ndo, cp, length);
636 else if (IS_SRC_OR_DST_PORT(AODV_PORT))
637 aodv_print(ndo, cp, length, IP_V(ip) == 6);
638 else if (IS_SRC_OR_DST_PORT(OLSR_PORT))
639 olsr_print(ndo, cp, length, IP_V(ip) == 6);
640 else if (IS_SRC_OR_DST_PORT(LMP_PORT))
641 lmp_print(ndo, cp, length);
642 else if (IS_SRC_OR_DST_PORT(KERBEROS_SEC_PORT))
643 krb_print(ndo, (const u_char *)cp);
644 else if (IS_SRC_OR_DST_PORT(LWRES_PORT))
645 lwres_print(ndo, cp, length);
646 else if (IS_SRC_OR_DST_PORT(MULTICASTDNS_PORT))
647 /* over_tcp: FALSE, is_mdns: TRUE */
648 domain_print(ndo, cp, length, FALSE, TRUE);
649 else if (IS_SRC_OR_DST_PORT(ISAKMP_PORT_NATT))
650 isakmp_rfc3948_print(ndo, cp, length, bp2, IP_V(ip), fragmented, ttl_hl);
651 else if (IS_SRC_OR_DST_PORT(ISAKMP_PORT_USER1) || IS_SRC_OR_DST_PORT(ISAKMP_PORT_USER2))
652 isakmp_print(ndo, cp, length, bp2);
653 else if (IS_SRC_OR_DST_PORT(L2TP_PORT))
654 l2tp_print(ndo, cp, length);
655 else if (dport == VAT_PORT)
656 vat_print(ndo, cp, length);
657 else if (IS_SRC_OR_DST_PORT(ZEPHYR_SRV_PORT) || IS_SRC_OR_DST_PORT(ZEPHYR_CLT_PORT))
658 zephyr_print(ndo, cp, length);
659 /*
660 * Since there are 10 possible ports to check, I think
661 * a <> test would be more efficient
662 */
663 else if ((sport >= RX_PORT_LOW && sport <= RX_PORT_HIGH) ||
664 (dport >= RX_PORT_LOW && dport <= RX_PORT_HIGH))
665 rx_print(ndo, cp, length, sport, dport,
666 (const u_char *) ip);
667 else if (IS_SRC_OR_DST_PORT(AHCP_PORT))
668 ahcp_print(ndo, cp, length);
669 else if (IS_SRC_OR_DST_PORT(BABEL_PORT) || IS_SRC_OR_DST_PORT(BABEL_PORT_OLD))
670 babel_print(ndo, cp, length);
671 else if (IS_SRC_OR_DST_PORT(HNCP_PORT))
672 hncp_print(ndo, cp, length);
673 /*
674 * Kludge in test for whiteboard packets.
675 */
676 else if (dport == WB_PORT)
677 wb_print(ndo, cp, length);
678 else if (IS_SRC_OR_DST_PORT(RADIUS_PORT) ||
679 IS_SRC_OR_DST_PORT(RADIUS_NEW_PORT) ||
680 IS_SRC_OR_DST_PORT(RADIUS_ACCOUNTING_PORT) ||
681 IS_SRC_OR_DST_PORT(RADIUS_NEW_ACCOUNTING_PORT) ||
682 IS_SRC_OR_DST_PORT(RADIUS_CISCO_COA_PORT) ||
683 IS_SRC_OR_DST_PORT(RADIUS_COA_PORT) )
684 radius_print(ndo, cp, length);
685 else if (dport == HSRP_PORT)
686 hsrp_print(ndo, cp, length);
687 else if (IS_SRC_OR_DST_PORT(MPLS_LSP_PING_PORT))
688 lspping_print(ndo, cp, length);
689 else if (dport == BFD_CONTROL_PORT ||
690 dport == BFD_MULTIHOP_PORT ||
691 dport == BFD_LAG_PORT ||
692 dport == BFD_ECHO_PORT )
693 bfd_print(ndo, cp, length, dport);
694 else if (IS_SRC_OR_DST_PORT(VQP_PORT))
695 vqp_print(ndo, cp, length);
696 else if (IS_SRC_OR_DST_PORT(SFLOW_PORT))
697 sflow_print(ndo, cp, length);
698 else if (dport == LWAPP_CONTROL_PORT)
699 lwapp_control_print(ndo, cp, length, 1);
700 else if (sport == LWAPP_CONTROL_PORT)
701 lwapp_control_print(ndo, cp, length, 0);
702 else if (IS_SRC_OR_DST_PORT(LWAPP_DATA_PORT))
703 lwapp_data_print(ndo, cp, length);
704 else if (IS_SRC_OR_DST_PORT(SIP_PORT))
705 sip_print(ndo, cp, length);
706 else if (IS_SRC_OR_DST_PORT(OTV_PORT))
707 otv_print(ndo, cp, length);
708 else if (IS_SRC_OR_DST_PORT(VXLAN_PORT))
709 vxlan_print(ndo, cp, length);
710 else if (dport == GENEVE_PORT)
711 geneve_print(ndo, cp, length);
712 else if (IS_SRC_OR_DST_PORT(LISP_CONTROL_PORT))
713 lisp_print(ndo, cp, length);
714 else if (IS_SRC_OR_DST_PORT(VXLAN_GPE_PORT))
715 vxlan_gpe_print(ndo, cp, length);
716 else if (IS_SRC_OR_DST_PORT(ZEP_PORT))
717 zep_print(ndo, cp, length);
718 else if (IS_SRC_OR_DST_PORT(MPLS_PORT))
719 mpls_print(ndo, cp, length);
720 else if (ND_TTEST_1(((const struct LAP *)cp)->type) &&
721 GET_U_1(((const struct LAP *)cp)->type) == lapDDP &&
722 (atalk_port(sport) || atalk_port(dport))) {
723 if (ndo->ndo_vflag)
724 ND_PRINT("kip ");
725 llap_print(ndo, cp, length);
726 } else if (IS_SRC_OR_DST_PORT(SOMEIP_PORT))
727 someip_print(ndo, cp, length);
728 else if (sport == BCM_LI_PORT)
729 bcm_li_print(ndo, cp, length);
730 else {
731 if (ulen > length && !fragmented)
732 ND_PRINT("UDP, bad length %u > %u",
733 ulen, length);
734 else
735 ND_PRINT("UDP, length %u", ulen);
736 }
737 } else {
738 if (ulen > length && !fragmented)
739 ND_PRINT("UDP, bad length %u > %u",
740 ulen, length);
741 else
742 ND_PRINT("UDP, length %u", ulen);
743 }
744 return;
745
746 trunc:
747 nd_print_trunc(ndo);
748 }
749