xref: /dragonfly/contrib/tcpdump/print-udp.c (revision fcf53d9b)
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 #ifndef lint
23 static const char rcsid[] _U_ =
24     "@(#) $Header: /tcpdump/master/tcpdump/print-udp.c,v 1.142 2007-08-08 17:20:58 hannes Exp $ (LBL)";
25 #endif
26 
27 #ifdef HAVE_CONFIG_H
28 #include "config.h"
29 #endif
30 
31 #include <tcpdump-stdinc.h>
32 
33 #ifdef SEGSIZE
34 #undef SEGSIZE
35 #endif
36 #include <arpa/tftp.h>
37 
38 #include <stdio.h>
39 #include <string.h>
40 
41 #include "interface.h"
42 #include "addrtoname.h"
43 #include "extract.h"
44 #include "appletalk.h"
45 
46 #include "udp.h"
47 
48 #include "ip.h"
49 #ifdef INET6
50 #include "ip6.h"
51 #endif
52 #include "ipproto.h"
53 #include "rpc_auth.h"
54 #include "rpc_msg.h"
55 
56 #include "nameser.h"
57 #include "nfs.h"
58 #include "bootp.h"
59 
60 struct rtcphdr {
61 	u_int16_t rh_flags;	/* T:2 P:1 CNT:5 PT:8 */
62 	u_int16_t rh_len;	/* length of message (in words) */
63 	u_int32_t rh_ssrc;	/* synchronization src id */
64 };
65 
66 typedef struct {
67 	u_int32_t upper;	/* more significant 32 bits */
68 	u_int32_t lower;	/* less significant 32 bits */
69 } ntp64;
70 
71 /*
72  * Sender report.
73  */
74 struct rtcp_sr {
75 	ntp64 sr_ntp;		/* 64-bit ntp timestamp */
76 	u_int32_t sr_ts;	/* reference media timestamp */
77 	u_int32_t sr_np;	/* no. packets sent */
78 	u_int32_t sr_nb;	/* no. bytes sent */
79 };
80 
81 /*
82  * Receiver report.
83  * Time stamps are middle 32-bits of ntp timestamp.
84  */
85 struct rtcp_rr {
86 	u_int32_t rr_srcid;	/* sender being reported */
87 	u_int32_t rr_nl;	/* no. packets lost */
88 	u_int32_t rr_ls;	/* extended last seq number received */
89 	u_int32_t rr_dv;	/* jitter (delay variance) */
90 	u_int32_t rr_lsr;	/* orig. ts from last rr from this src  */
91 	u_int32_t rr_dlsr;	/* time from recpt of last rr to xmit time */
92 };
93 
94 /*XXX*/
95 #define RTCP_PT_SR	200
96 #define RTCP_PT_RR	201
97 #define RTCP_PT_SDES	202
98 #define 	RTCP_SDES_CNAME	1
99 #define 	RTCP_SDES_NAME	2
100 #define 	RTCP_SDES_EMAIL	3
101 #define 	RTCP_SDES_PHONE	4
102 #define 	RTCP_SDES_LOC	5
103 #define 	RTCP_SDES_TOOL	6
104 #define 	RTCP_SDES_NOTE	7
105 #define 	RTCP_SDES_PRIV	8
106 #define RTCP_PT_BYE	203
107 #define RTCP_PT_APP	204
108 
109 static void
110 vat_print(const void *hdr, register const struct udphdr *up)
111 {
112 	/* vat/vt audio */
113 	u_int ts = *(u_int16_t *)hdr;
114 	if ((ts & 0xf060) != 0) {
115 		/* probably vt */
116 		(void)printf("udp/vt %u %d / %d",
117 			     (u_int32_t)(EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up)),
118 			     ts & 0x3ff, ts >> 10);
119 	} else {
120 		/* probably vat */
121 		u_int32_t i0 = EXTRACT_32BITS(&((u_int *)hdr)[0]);
122 		u_int32_t i1 = EXTRACT_32BITS(&((u_int *)hdr)[1]);
123 		printf("udp/vat %u c%d %u%s",
124 			(u_int32_t)(EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up) - 8),
125 			i0 & 0xffff,
126 			i1, i0 & 0x800000? "*" : "");
127 		/* audio format */
128 		if (i0 & 0x1f0000)
129 			printf(" f%d", (i0 >> 16) & 0x1f);
130 		if (i0 & 0x3f000000)
131 			printf(" s%d", (i0 >> 24) & 0x3f);
132 	}
133 }
134 
135 static void
136 rtp_print(const void *hdr, u_int len, register const struct udphdr *up)
137 {
138 	/* rtp v1 or v2 */
139 	u_int *ip = (u_int *)hdr;
140 	u_int hasopt, hasext, contype, hasmarker;
141 	u_int32_t i0 = EXTRACT_32BITS(&((u_int *)hdr)[0]);
142 	u_int32_t i1 = EXTRACT_32BITS(&((u_int *)hdr)[1]);
143 	u_int dlen = EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up) - 8;
144 	const char * ptype;
145 
146 	ip += 2;
147 	len >>= 2;
148 	len -= 2;
149 	hasopt = 0;
150 	hasext = 0;
151 	if ((i0 >> 30) == 1) {
152 		/* rtp v1 */
153 		hasopt = i0 & 0x800000;
154 		contype = (i0 >> 16) & 0x3f;
155 		hasmarker = i0 & 0x400000;
156 		ptype = "rtpv1";
157 	} else {
158 		/* rtp v2 */
159 		hasext = i0 & 0x10000000;
160 		contype = (i0 >> 16) & 0x7f;
161 		hasmarker = i0 & 0x800000;
162 		dlen -= 4;
163 		ptype = "rtp";
164 		ip += 1;
165 		len -= 1;
166 	}
167 	printf("udp/%s %d c%d %s%s %d %u",
168 		ptype,
169 		dlen,
170 		contype,
171 		(hasopt || hasext)? "+" : "",
172 		hasmarker? "*" : "",
173 		i0 & 0xffff,
174 		i1);
175 	if (vflag) {
176 		printf(" %u", EXTRACT_32BITS(&((u_int *)hdr)[2]));
177 		if (hasopt) {
178 			u_int i2, optlen;
179 			do {
180 				i2 = ip[0];
181 				optlen = (i2 >> 16) & 0xff;
182 				if (optlen == 0 || optlen > len) {
183 					printf(" !opt");
184 					return;
185 				}
186 				ip += optlen;
187 				len -= optlen;
188 			} while ((int)i2 >= 0);
189 		}
190 		if (hasext) {
191 			u_int i2, extlen;
192 			i2 = ip[0];
193 			extlen = (i2 & 0xffff) + 1;
194 			if (extlen > len) {
195 				printf(" !ext");
196 				return;
197 			}
198 			ip += extlen;
199 		}
200 		if (contype == 0x1f) /*XXX H.261 */
201 			printf(" 0x%04x", ip[0] >> 16);
202 	}
203 }
204 
205 static const u_char *
206 rtcp_print(const u_char *hdr, const u_char *ep)
207 {
208 	/* rtp v2 control (rtcp) */
209 	struct rtcp_rr *rr = 0;
210 	struct rtcp_sr *sr;
211 	struct rtcphdr *rh = (struct rtcphdr *)hdr;
212 	u_int len;
213 	u_int16_t flags;
214 	int cnt;
215 	double ts, dts;
216 	if ((u_char *)(rh + 1) > ep) {
217 		printf(" [|rtcp]");
218 		return (ep);
219 	}
220 	len = (EXTRACT_16BITS(&rh->rh_len) + 1) * 4;
221 	flags = EXTRACT_16BITS(&rh->rh_flags);
222 	cnt = (flags >> 8) & 0x1f;
223 	switch (flags & 0xff) {
224 	case RTCP_PT_SR:
225 		sr = (struct rtcp_sr *)(rh + 1);
226 		printf(" sr");
227 		if (len != cnt * sizeof(*rr) + sizeof(*sr) + sizeof(*rh))
228 			printf(" [%d]", len);
229 		if (vflag)
230 			printf(" %u", EXTRACT_32BITS(&rh->rh_ssrc));
231 		if ((u_char *)(sr + 1) > ep) {
232 			printf(" [|rtcp]");
233 			return (ep);
234 		}
235 		ts = (double)(EXTRACT_32BITS(&sr->sr_ntp.upper)) +
236 		    ((double)(EXTRACT_32BITS(&sr->sr_ntp.lower)) /
237 		    4294967296.0);
238 		printf(" @%.2f %u %up %ub", ts, EXTRACT_32BITS(&sr->sr_ts),
239 		    EXTRACT_32BITS(&sr->sr_np), EXTRACT_32BITS(&sr->sr_nb));
240 		rr = (struct rtcp_rr *)(sr + 1);
241 		break;
242 	case RTCP_PT_RR:
243 		printf(" rr");
244 		if (len != cnt * sizeof(*rr) + sizeof(*rh))
245 			printf(" [%d]", len);
246 		rr = (struct rtcp_rr *)(rh + 1);
247 		if (vflag)
248 			printf(" %u", EXTRACT_32BITS(&rh->rh_ssrc));
249 		break;
250 	case RTCP_PT_SDES:
251 		printf(" sdes %d", len);
252 		if (vflag)
253 			printf(" %u", EXTRACT_32BITS(&rh->rh_ssrc));
254 		cnt = 0;
255 		break;
256 	case RTCP_PT_BYE:
257 		printf(" bye %d", len);
258 		if (vflag)
259 			printf(" %u", EXTRACT_32BITS(&rh->rh_ssrc));
260 		cnt = 0;
261 		break;
262 	default:
263 		printf(" type-0x%x %d", flags & 0xff, len);
264 		cnt = 0;
265 		break;
266 	}
267 	if (cnt > 1)
268 		printf(" c%d", cnt);
269 	while (--cnt >= 0) {
270 		if ((u_char *)(rr + 1) > ep) {
271 			printf(" [|rtcp]");
272 			return (ep);
273 		}
274 		if (vflag)
275 			printf(" %u", EXTRACT_32BITS(&rr->rr_srcid));
276 		ts = (double)(EXTRACT_32BITS(&rr->rr_lsr)) / 65536.;
277 		dts = (double)(EXTRACT_32BITS(&rr->rr_dlsr)) / 65536.;
278 		printf(" %ul %us %uj @%.2f+%.2f",
279 		    EXTRACT_32BITS(&rr->rr_nl) & 0x00ffffff,
280 		    EXTRACT_32BITS(&rr->rr_ls),
281 		    EXTRACT_32BITS(&rr->rr_dv), ts, dts);
282 	}
283 	return (hdr + len);
284 }
285 
286 static int udp_cksum(register const struct ip *ip,
287 		     register const struct udphdr *up,
288 		     register u_int len)
289 {
290 	union phu {
291 		struct phdr {
292 			u_int32_t src;
293 			u_int32_t dst;
294 			u_char mbz;
295 			u_char proto;
296 			u_int16_t len;
297 		} ph;
298 		u_int16_t pa[6];
299 	} phu;
300 	register const u_int16_t *sp;
301 
302 	/* pseudo-header.. */
303 	phu.ph.len = htons((u_int16_t)len);
304 	phu.ph.mbz = 0;
305 	phu.ph.proto = IPPROTO_UDP;
306 	memcpy(&phu.ph.src, &ip->ip_src.s_addr, sizeof(u_int32_t));
307 	if (IP_HL(ip) == 5)
308 		memcpy(&phu.ph.dst, &ip->ip_dst.s_addr, sizeof(u_int32_t));
309 	else
310 		phu.ph.dst = ip_finddst(ip);
311 
312 	sp = &phu.pa[0];
313 	return in_cksum((u_short *)up, len,
314 			sp[0]+sp[1]+sp[2]+sp[3]+sp[4]+sp[5]);
315 }
316 
317 #ifdef INET6
318 static int udp6_cksum(const struct ip6_hdr *ip6, const struct udphdr *up,
319 	u_int len)
320 {
321 	size_t i;
322 	register const u_int16_t *sp;
323 	u_int32_t sum;
324 	union {
325 		struct {
326 			struct in6_addr ph_src;
327 			struct in6_addr ph_dst;
328 			u_int32_t	ph_len;
329 			u_int8_t	ph_zero[3];
330 			u_int8_t	ph_nxt;
331 		} ph;
332 		u_int16_t pa[20];
333 	} phu;
334 
335 	/* pseudo-header */
336 	memset(&phu, 0, sizeof(phu));
337 	phu.ph.ph_src = ip6->ip6_src;
338 	phu.ph.ph_dst = ip6->ip6_dst;
339 	phu.ph.ph_len = htonl(len);
340 	phu.ph.ph_nxt = IPPROTO_UDP;
341 
342 	sum = 0;
343 	for (i = 0; i < sizeof(phu.pa) / sizeof(phu.pa[0]); i++)
344 		sum += phu.pa[i];
345 
346 	sp = (const u_int16_t *)up;
347 
348 	for (i = 0; i < (len & ~1); i += 2)
349 		sum += *sp++;
350 
351 	if (len & 1)
352 		sum += htons((*(const u_int8_t *)sp) << 8);
353 
354 	while (sum > 0xffff)
355 		sum = (sum & 0xffff) + (sum >> 16);
356 	sum = ~sum & 0xffff;
357 
358 	return (sum);
359 }
360 #endif
361 
362 static void
363 udpipaddr_print(const struct ip *ip, int sport, int dport)
364 {
365 #ifdef INET6
366 	const struct ip6_hdr *ip6;
367 
368 	if (IP_V(ip) == 6)
369 		ip6 = (const struct ip6_hdr *)ip;
370 	else
371 		ip6 = NULL;
372 
373 	if (ip6) {
374 		if (ip6->ip6_nxt == IPPROTO_UDP) {
375 			if (sport == -1) {
376 				(void)printf("%s > %s: ",
377 					ip6addr_string(&ip6->ip6_src),
378 					ip6addr_string(&ip6->ip6_dst));
379 			} else {
380 				(void)printf("%s.%s > %s.%s: ",
381 					ip6addr_string(&ip6->ip6_src),
382 					udpport_string(sport),
383 					ip6addr_string(&ip6->ip6_dst),
384 					udpport_string(dport));
385 			}
386 		} else {
387 			if (sport != -1) {
388 				(void)printf("%s > %s: ",
389 					udpport_string(sport),
390 					udpport_string(dport));
391 			}
392 		}
393 	} else
394 #endif /*INET6*/
395 	{
396 		if (ip->ip_p == IPPROTO_UDP) {
397 			if (sport == -1) {
398 				(void)printf("%s > %s: ",
399 					ipaddr_string(&ip->ip_src),
400 					ipaddr_string(&ip->ip_dst));
401 			} else {
402 				(void)printf("%s.%s > %s.%s: ",
403 					ipaddr_string(&ip->ip_src),
404 					udpport_string(sport),
405 					ipaddr_string(&ip->ip_dst),
406 					udpport_string(dport));
407 			}
408 		} else {
409 			if (sport != -1) {
410 				(void)printf("%s > %s: ",
411 					udpport_string(sport),
412 					udpport_string(dport));
413 			}
414 		}
415 	}
416 }
417 
418 void
419 udp_print(register const u_char *bp, u_int length,
420 	  register const u_char *bp2, int fragmented)
421 {
422 	register const struct udphdr *up;
423 	register const struct ip *ip;
424 	register const u_char *cp;
425 	register const u_char *ep = bp + length;
426 	u_int16_t sport, dport, ulen;
427 #ifdef INET6
428 	register const struct ip6_hdr *ip6;
429 #endif
430 
431 	if (ep > snapend)
432 		ep = snapend;
433 	up = (struct udphdr *)bp;
434 	ip = (struct ip *)bp2;
435 #ifdef INET6
436 	if (IP_V(ip) == 6)
437 		ip6 = (struct ip6_hdr *)bp2;
438 	else
439 		ip6 = NULL;
440 #endif /*INET6*/
441 	cp = (u_char *)(up + 1);
442 	if (!TTEST(up->uh_dport)) {
443 		udpipaddr_print(ip, -1, -1);
444 		(void)printf("[|udp]");
445 		return;
446 	}
447 
448 	sport = EXTRACT_16BITS(&up->uh_sport);
449 	dport = EXTRACT_16BITS(&up->uh_dport);
450 
451 	if (length < sizeof(struct udphdr)) {
452 		udpipaddr_print(ip, sport, dport);
453 		(void)printf("truncated-udp %d", length);
454 		return;
455 	}
456 	length -= sizeof(struct udphdr);
457 
458 	if (cp > snapend) {
459 		udpipaddr_print(ip, sport, dport);
460 		(void)printf("[|udp]");
461 		return;
462 	}
463 
464 	ulen = EXTRACT_16BITS(&up->uh_ulen);
465 	if (ulen < 8) {
466 		udpipaddr_print(ip, sport, dport);
467 		(void)printf("truncated-udplength %d", ulen);
468 		return;
469 	}
470 	if (packettype) {
471 		register struct sunrpc_msg *rp;
472 		enum sunrpc_msg_type direction;
473 
474 		switch (packettype) {
475 
476 		case PT_VAT:
477 			udpipaddr_print(ip, sport, dport);
478 			vat_print((void *)(up + 1), up);
479 			break;
480 
481 		case PT_WB:
482 			udpipaddr_print(ip, sport, dport);
483 			wb_print((void *)(up + 1), length);
484 			break;
485 
486 		case PT_RPC:
487 			rp = (struct sunrpc_msg *)(up + 1);
488 			direction = (enum sunrpc_msg_type)EXTRACT_32BITS(&rp->rm_direction);
489 			if (direction == SUNRPC_CALL)
490 				sunrpcrequest_print((u_char *)rp, length,
491 				    (u_char *)ip);
492 			else
493 				nfsreply_print((u_char *)rp, length,
494 				    (u_char *)ip);			/*XXX*/
495 			break;
496 
497 		case PT_RTP:
498 			udpipaddr_print(ip, sport, dport);
499 			rtp_print((void *)(up + 1), length, up);
500 			break;
501 
502 		case PT_RTCP:
503 			udpipaddr_print(ip, sport, dport);
504 			while (cp < ep)
505 				cp = rtcp_print(cp, ep);
506 			break;
507 
508 		case PT_SNMP:
509 			udpipaddr_print(ip, sport, dport);
510 			snmp_print((const u_char *)(up + 1), length);
511 			break;
512 
513 		case PT_CNFP:
514 			udpipaddr_print(ip, sport, dport);
515 			cnfp_print(cp, (const u_char *)ip);
516 			break;
517 
518 		case PT_TFTP:
519 			udpipaddr_print(ip, sport, dport);
520 			tftp_print(cp, length);
521 			break;
522 
523 		case PT_AODV:
524 			udpipaddr_print(ip, sport, dport);
525 			aodv_print((const u_char *)(up + 1), length,
526 #ifdef INET6
527 			    ip6 != NULL);
528 #else
529 			    0);
530 #endif
531 			break;
532 		}
533 		return;
534 	}
535 
536 	if (!qflag) {
537 		register struct sunrpc_msg *rp;
538 		enum sunrpc_msg_type direction;
539 
540 		rp = (struct sunrpc_msg *)(up + 1);
541 		if (TTEST(rp->rm_direction)) {
542 			direction = (enum sunrpc_msg_type)EXTRACT_32BITS(&rp->rm_direction);
543 			if (dport == NFS_PORT && direction == SUNRPC_CALL) {
544 				nfsreq_print((u_char *)rp, length,
545 				    (u_char *)ip);
546 				return;
547 			}
548 			if (sport == NFS_PORT && direction == SUNRPC_REPLY) {
549 				nfsreply_print((u_char *)rp, length,
550 				    (u_char *)ip);
551 				return;
552 			}
553 #ifdef notdef
554 			if (dport == SUNRPC_PORT && direction == SUNRPC_CALL) {
555 				sunrpcrequest_print((u_char *)rp, length, (u_char *)ip);
556 				return;
557 			}
558 #endif
559 		}
560 		if (TTEST(((struct LAP *)cp)->type) &&
561 		    ((struct LAP *)cp)->type == lapDDP &&
562 		    (atalk_port(sport) || atalk_port(dport))) {
563 			if (vflag)
564 				fputs("kip ", stdout);
565 			llap_print(cp, length);
566 			return;
567 		}
568 	}
569 	udpipaddr_print(ip, sport, dport);
570 
571 	if (IP_V(ip) == 4 && (vflag > 1) && !fragmented) {
572 		int sum = up->uh_sum;
573 		if (sum == 0) {
574 			(void)printf("[no cksum] ");
575 		} else if (TTEST2(cp[0], length)) {
576 			sum = udp_cksum(ip, up, length + sizeof(struct udphdr));
577 			if (sum != 0)
578 				(void)printf("[bad udp cksum %x!] ", sum);
579 			else
580 				(void)printf("[udp sum ok] ");
581 		}
582 	}
583 #ifdef INET6
584 	if (IP_V(ip) == 6 && ip6->ip6_plen && vflag && !fragmented) {
585 		int sum = up->uh_sum;
586 		/* for IPv6, UDP checksum is mandatory */
587 		if (TTEST2(cp[0], length)) {
588 			sum = udp6_cksum(ip6, up, length + sizeof(struct udphdr));
589 			if (sum != 0)
590 				(void)printf("[bad udp cksum %x!] ", sum);
591 			else
592 				(void)printf("[udp sum ok] ");
593 		}
594 	}
595 #endif
596 
597 	if (!qflag) {
598 #define ISPORT(p) (dport == (p) || sport == (p))
599 		if (ISPORT(NAMESERVER_PORT))
600 			ns_print((const u_char *)(up + 1), length, 0);
601 		else if (ISPORT(MULTICASTDNS_PORT))
602 			ns_print((const u_char *)(up + 1), length, 1);
603 		else if (ISPORT(TIMED_PORT))
604 			timed_print((const u_char *)(up + 1));
605 		else if (ISPORT(TFTP_PORT))
606 			tftp_print((const u_char *)(up + 1), length);
607 		else if (ISPORT(IPPORT_BOOTPC) || ISPORT(IPPORT_BOOTPS))
608 			bootp_print((const u_char *)(up + 1), length);
609 		else if (ISPORT(RIP_PORT))
610 			rip_print((const u_char *)(up + 1), length);
611 		else if (ISPORT(AODV_PORT))
612 			aodv_print((const u_char *)(up + 1), length,
613 #ifdef INET6
614 			    ip6 != NULL);
615 #else
616 			    0);
617 #endif
618 	        else if (ISPORT(ISAKMP_PORT))
619 			 isakmp_print(gndo, (const u_char *)(up + 1), length, bp2);
620   	        else if (ISPORT(ISAKMP_PORT_NATT))
621 			 isakmp_rfc3948_print(gndo, (const u_char *)(up + 1), length, bp2);
622 #if 1 /*???*/
623    	        else if (ISPORT(ISAKMP_PORT_USER1) || ISPORT(ISAKMP_PORT_USER2))
624 			isakmp_print(gndo, (const u_char *)(up + 1), length, bp2);
625 #endif
626 		else if (ISPORT(SNMP_PORT) || ISPORT(SNMPTRAP_PORT))
627 			snmp_print((const u_char *)(up + 1), length);
628 		else if (ISPORT(NTP_PORT))
629 			ntp_print((const u_char *)(up + 1), length);
630 		else if (ISPORT(KERBEROS_PORT) || ISPORT(KERBEROS_SEC_PORT))
631 			krb_print((const void *)(up + 1));
632 		else if (ISPORT(L2TP_PORT))
633 			l2tp_print((const u_char *)(up + 1), length);
634 #ifdef TCPDUMP_DO_SMB
635 		else if (ISPORT(NETBIOS_NS_PORT))
636 			nbt_udp137_print((const u_char *)(up + 1), length);
637 		else if (ISPORT(NETBIOS_DGRAM_PORT))
638 			nbt_udp138_print((const u_char *)(up + 1), length);
639 #endif
640 		else if (dport == 3456)
641 			vat_print((const void *)(up + 1), up);
642 		else if (ISPORT(ZEPHYR_SRV_PORT) || ISPORT(ZEPHYR_CLT_PORT))
643 			zephyr_print((const void *)(up + 1), length);
644 		/*
645 		 * Since there are 10 possible ports to check, I think
646 		 * a <> test would be more efficient
647 		 */
648 		else if ((sport >= RX_PORT_LOW && sport <= RX_PORT_HIGH) ||
649 			 (dport >= RX_PORT_LOW && dport <= RX_PORT_HIGH))
650 			rx_print((const void *)(up + 1), length, sport, dport,
651 				 (u_char *) ip);
652 #ifdef INET6
653 		else if (ISPORT(RIPNG_PORT))
654 			ripng_print((const u_char *)(up + 1), length);
655 		else if (ISPORT(DHCP6_SERV_PORT) || ISPORT(DHCP6_CLI_PORT)) {
656 			dhcp6_print((const u_char *)(up + 1), length);
657 		}
658 #endif /*INET6*/
659 		/*
660 		 * Kludge in test for whiteboard packets.
661 		 */
662 		else if (dport == 4567)
663 			wb_print((const void *)(up + 1), length);
664 		else if (ISPORT(CISCO_AUTORP_PORT))
665 			cisco_autorp_print((const void *)(up + 1), length);
666 		else if (ISPORT(RADIUS_PORT) ||
667 			 ISPORT(RADIUS_NEW_PORT) ||
668 			 ISPORT(RADIUS_ACCOUNTING_PORT) ||
669 			 ISPORT(RADIUS_NEW_ACCOUNTING_PORT) )
670 			radius_print((const u_char *)(up+1), length);
671 		else if (dport == HSRP_PORT)
672 			hsrp_print((const u_char *)(up + 1), length);
673 		else if (ISPORT(LWRES_PORT))
674 			lwres_print((const u_char *)(up + 1), length);
675                 else if (ISPORT(LDP_PORT))
676 			ldp_print((const u_char *)(up + 1), length);
677                 else if (ISPORT(OLSR_PORT))
678 			olsr_print((const u_char *)(up + 1), length);
679                 else if (ISPORT(MPLS_LSP_PING_PORT))
680 			lspping_print((const u_char *)(up + 1), length);
681 		else if (dport == BFD_CONTROL_PORT ||
682 			 dport == BFD_ECHO_PORT )
683 			bfd_print((const u_char *)(up+1), length, dport);
684                 else if (ISPORT(LMP_PORT))
685 			lmp_print((const u_char *)(up + 1), length);
686 		else if (ISPORT(VQP_PORT))
687 			vqp_print((const u_char *)(up + 1), length);
688                 else if (ISPORT(SFLOW_PORT))
689                         sflow_print((const u_char *)(up + 1), length);
690 	        else if (dport == LWAPP_CONTROL_PORT)
691 			lwapp_control_print((const u_char *)(up + 1), length, 1);
692                 else if (sport == LWAPP_CONTROL_PORT)
693                         lwapp_control_print((const u_char *)(up + 1), length, 0);
694                 else if (ISPORT(LWAPP_DATA_PORT))
695                         lwapp_data_print((const u_char *)(up + 1), length);
696                 else if (ISPORT(SIP_PORT))
697 			sip_print((const u_char *)(up + 1), length);
698                 else if (ISPORT(SYSLOG_PORT))
699 			syslog_print((const u_char *)(up + 1), length);
700 		else
701 			(void)printf("UDP, length %u",
702 			    (u_int32_t)(ulen - sizeof(*up)));
703 #undef ISPORT
704 	} else
705 		(void)printf("UDP, length %u", (u_int32_t)(ulen - sizeof(*up)));
706 }
707 
708 
709 /*
710  * Local Variables:
711  * c-style: whitesmith
712  * c-basic-offset: 8
713  * End:
714  */
715 
716