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#if 0
25static const char rcsid[] _U_ =
26    "@(#) Header: /tcpdump/master/tcpdump/print-udp.c,v 1.142 2007-08-08 17:20:58 hannes Exp (LBL)";
27#else
28__RCSID("$NetBSD: print-udp.c,v 1.2 2010/12/05 05:11:31 christos Exp $");
29#endif
30#endif
31
32#ifdef HAVE_CONFIG_H
33#include "config.h"
34#endif
35
36#include <tcpdump-stdinc.h>
37
38#ifdef SEGSIZE
39#undef SEGSIZE
40#endif
41#include <arpa/tftp.h>
42
43#include <stdio.h>
44#include <string.h>
45
46#include "interface.h"
47#include "addrtoname.h"
48#include "extract.h"
49#include "appletalk.h"
50
51#include "udp.h"
52
53#include "ip.h"
54#ifdef INET6
55#include "ip6.h"
56#endif
57#include "ipproto.h"
58#include "rpc_auth.h"
59#include "rpc_msg.h"
60
61#include "nameser.h"
62#include "nfs.h"
63#include "bootp.h"
64
65struct rtcphdr {
66	u_int16_t rh_flags;	/* T:2 P:1 CNT:5 PT:8 */
67	u_int16_t rh_len;	/* length of message (in words) */
68	u_int32_t rh_ssrc;	/* synchronization src id */
69};
70
71typedef struct {
72	u_int32_t upper;	/* more significant 32 bits */
73	u_int32_t lower;	/* less significant 32 bits */
74} ntp64;
75
76/*
77 * Sender report.
78 */
79struct rtcp_sr {
80	ntp64 sr_ntp;		/* 64-bit ntp timestamp */
81	u_int32_t sr_ts;	/* reference media timestamp */
82	u_int32_t sr_np;	/* no. packets sent */
83	u_int32_t sr_nb;	/* no. bytes sent */
84};
85
86/*
87 * Receiver report.
88 * Time stamps are middle 32-bits of ntp timestamp.
89 */
90struct rtcp_rr {
91	u_int32_t rr_srcid;	/* sender being reported */
92	u_int32_t rr_nl;	/* no. packets lost */
93	u_int32_t rr_ls;	/* extended last seq number received */
94	u_int32_t rr_dv;	/* jitter (delay variance) */
95	u_int32_t rr_lsr;	/* orig. ts from last rr from this src  */
96	u_int32_t rr_dlsr;	/* time from recpt of last rr to xmit time */
97};
98
99/*XXX*/
100#define RTCP_PT_SR	200
101#define RTCP_PT_RR	201
102#define RTCP_PT_SDES	202
103#define 	RTCP_SDES_CNAME	1
104#define 	RTCP_SDES_NAME	2
105#define 	RTCP_SDES_EMAIL	3
106#define 	RTCP_SDES_PHONE	4
107#define 	RTCP_SDES_LOC	5
108#define 	RTCP_SDES_TOOL	6
109#define 	RTCP_SDES_NOTE	7
110#define 	RTCP_SDES_PRIV	8
111#define RTCP_PT_BYE	203
112#define RTCP_PT_APP	204
113
114static void
115vat_print(const void *hdr, register const struct udphdr *up)
116{
117	/* vat/vt audio */
118	u_int ts = *(u_int16_t *)hdr;
119	if ((ts & 0xf060) != 0) {
120		/* probably vt */
121		(void)printf("udp/vt %u %d / %d",
122			     (u_int32_t)(EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up)),
123			     ts & 0x3ff, ts >> 10);
124	} else {
125		/* probably vat */
126		u_int32_t i0 = EXTRACT_32BITS(&((u_int *)hdr)[0]);
127		u_int32_t i1 = EXTRACT_32BITS(&((u_int *)hdr)[1]);
128		printf("udp/vat %u c%d %u%s",
129			(u_int32_t)(EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up) - 8),
130			i0 & 0xffff,
131			i1, i0 & 0x800000? "*" : "");
132		/* audio format */
133		if (i0 & 0x1f0000)
134			printf(" f%d", (i0 >> 16) & 0x1f);
135		if (i0 & 0x3f000000)
136			printf(" s%d", (i0 >> 24) & 0x3f);
137	}
138}
139
140static void
141rtp_print(const void *hdr, u_int len, register const struct udphdr *up)
142{
143	/* rtp v1 or v2 */
144	u_int *ip = (u_int *)hdr;
145	u_int hasopt, hasext, contype, hasmarker;
146	u_int32_t i0 = EXTRACT_32BITS(&((u_int *)hdr)[0]);
147	u_int32_t i1 = EXTRACT_32BITS(&((u_int *)hdr)[1]);
148	u_int dlen = EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up) - 8;
149	const char * ptype;
150
151	ip += 2;
152	len >>= 2;
153	len -= 2;
154	hasopt = 0;
155	hasext = 0;
156	if ((i0 >> 30) == 1) {
157		/* rtp v1 */
158		hasopt = i0 & 0x800000;
159		contype = (i0 >> 16) & 0x3f;
160		hasmarker = i0 & 0x400000;
161		ptype = "rtpv1";
162	} else {
163		/* rtp v2 */
164		hasext = i0 & 0x10000000;
165		contype = (i0 >> 16) & 0x7f;
166		hasmarker = i0 & 0x800000;
167		dlen -= 4;
168		ptype = "rtp";
169		ip += 1;
170		len -= 1;
171	}
172	printf("udp/%s %d c%d %s%s %d %u",
173		ptype,
174		dlen,
175		contype,
176		(hasopt || hasext)? "+" : "",
177		hasmarker? "*" : "",
178		i0 & 0xffff,
179		i1);
180	if (vflag) {
181		printf(" %u", EXTRACT_32BITS(&((u_int *)hdr)[2]));
182		if (hasopt) {
183			u_int i2, optlen;
184			do {
185				i2 = ip[0];
186				optlen = (i2 >> 16) & 0xff;
187				if (optlen == 0 || optlen > len) {
188					printf(" !opt");
189					return;
190				}
191				ip += optlen;
192				len -= optlen;
193			} while ((int)i2 >= 0);
194		}
195		if (hasext) {
196			u_int i2, extlen;
197			i2 = ip[0];
198			extlen = (i2 & 0xffff) + 1;
199			if (extlen > len) {
200				printf(" !ext");
201				return;
202			}
203			ip += extlen;
204		}
205		if (contype == 0x1f) /*XXX H.261 */
206			printf(" 0x%04x", ip[0] >> 16);
207	}
208}
209
210static const u_char *
211rtcp_print(const u_char *hdr, const u_char *ep)
212{
213	/* rtp v2 control (rtcp) */
214	struct rtcp_rr *rr = 0;
215	struct rtcp_sr *sr;
216	struct rtcphdr *rh = (struct rtcphdr *)hdr;
217	u_int len;
218	u_int16_t flags;
219	int cnt;
220	double ts, dts;
221	if ((u_char *)(rh + 1) > ep) {
222		printf(" [|rtcp]");
223		return (ep);
224	}
225	len = (EXTRACT_16BITS(&rh->rh_len) + 1) * 4;
226	flags = EXTRACT_16BITS(&rh->rh_flags);
227	cnt = (flags >> 8) & 0x1f;
228	switch (flags & 0xff) {
229	case RTCP_PT_SR:
230		sr = (struct rtcp_sr *)(rh + 1);
231		printf(" sr");
232		if (len != cnt * sizeof(*rr) + sizeof(*sr) + sizeof(*rh))
233			printf(" [%d]", len);
234		if (vflag)
235			printf(" %u", EXTRACT_32BITS(&rh->rh_ssrc));
236		if ((u_char *)(sr + 1) > ep) {
237			printf(" [|rtcp]");
238			return (ep);
239		}
240		ts = (double)(EXTRACT_32BITS(&sr->sr_ntp.upper)) +
241		    ((double)(EXTRACT_32BITS(&sr->sr_ntp.lower)) /
242		    4294967296.0);
243		printf(" @%.2f %u %up %ub", ts, EXTRACT_32BITS(&sr->sr_ts),
244		    EXTRACT_32BITS(&sr->sr_np), EXTRACT_32BITS(&sr->sr_nb));
245		rr = (struct rtcp_rr *)(sr + 1);
246		break;
247	case RTCP_PT_RR:
248		printf(" rr");
249		if (len != cnt * sizeof(*rr) + sizeof(*rh))
250			printf(" [%d]", len);
251		rr = (struct rtcp_rr *)(rh + 1);
252		if (vflag)
253			printf(" %u", EXTRACT_32BITS(&rh->rh_ssrc));
254		break;
255	case RTCP_PT_SDES:
256		printf(" sdes %d", len);
257		if (vflag)
258			printf(" %u", EXTRACT_32BITS(&rh->rh_ssrc));
259		cnt = 0;
260		break;
261	case RTCP_PT_BYE:
262		printf(" bye %d", len);
263		if (vflag)
264			printf(" %u", EXTRACT_32BITS(&rh->rh_ssrc));
265		cnt = 0;
266		break;
267	default:
268		printf(" type-0x%x %d", flags & 0xff, len);
269		cnt = 0;
270		break;
271	}
272	if (cnt > 1)
273		printf(" c%d", cnt);
274	while (--cnt >= 0) {
275		if ((u_char *)(rr + 1) > ep) {
276			printf(" [|rtcp]");
277			return (ep);
278		}
279		if (vflag)
280			printf(" %u", EXTRACT_32BITS(&rr->rr_srcid));
281		ts = (double)(EXTRACT_32BITS(&rr->rr_lsr)) / 65536.;
282		dts = (double)(EXTRACT_32BITS(&rr->rr_dlsr)) / 65536.;
283		printf(" %ul %us %uj @%.2f+%.2f",
284		    EXTRACT_32BITS(&rr->rr_nl) & 0x00ffffff,
285		    EXTRACT_32BITS(&rr->rr_ls),
286		    EXTRACT_32BITS(&rr->rr_dv), ts, dts);
287	}
288	return (hdr + len);
289}
290
291static int udp_cksum(register const struct ip *ip,
292		     register const struct udphdr *up,
293		     register u_int len)
294{
295	union phu {
296		struct phdr {
297			u_int32_t src;
298			u_int32_t dst;
299			u_char mbz;
300			u_char proto;
301			u_int16_t len;
302		} ph;
303		u_int16_t pa[6];
304	} phu;
305	register const u_int16_t *sp;
306
307	/* pseudo-header.. */
308	phu.ph.len = htons((u_int16_t)len);
309	phu.ph.mbz = 0;
310	phu.ph.proto = IPPROTO_UDP;
311	memcpy(&phu.ph.src, &ip->ip_src.s_addr, sizeof(u_int32_t));
312	if (IP_HL(ip) == 5)
313		memcpy(&phu.ph.dst, &ip->ip_dst.s_addr, sizeof(u_int32_t));
314	else
315		phu.ph.dst = ip_finddst(ip);
316
317	sp = &phu.pa[0];
318	return in_cksum((u_short *)up, len,
319			sp[0]+sp[1]+sp[2]+sp[3]+sp[4]+sp[5]);
320}
321
322#ifdef INET6
323static int udp6_cksum(const struct ip6_hdr *ip6, const struct udphdr *up,
324	u_int len)
325{
326	size_t i;
327	register const u_int16_t *sp;
328	u_int32_t sum;
329	union {
330		struct {
331			struct in6_addr ph_src;
332			struct in6_addr ph_dst;
333			u_int32_t	ph_len;
334			u_int8_t	ph_zero[3];
335			u_int8_t	ph_nxt;
336		} ph;
337		u_int16_t pa[20];
338	} phu;
339
340	/* pseudo-header */
341	memset(&phu, 0, sizeof(phu));
342	phu.ph.ph_src = ip6->ip6_src;
343	phu.ph.ph_dst = ip6->ip6_dst;
344	phu.ph.ph_len = htonl(len);
345	phu.ph.ph_nxt = IPPROTO_UDP;
346
347	sum = 0;
348	for (i = 0; i < sizeof(phu.pa) / sizeof(phu.pa[0]); i++)
349		sum += phu.pa[i];
350
351	sp = (const u_int16_t *)up;
352
353	for (i = 0; i < (len & ~1); i += 2)
354		sum += *sp++;
355
356	if (len & 1)
357		sum += htons((*(const u_int8_t *)sp) << 8);
358
359	while (sum > 0xffff)
360		sum = (sum & 0xffff) + (sum >> 16);
361	sum = ~sum & 0xffff;
362
363	return (sum);
364}
365#endif
366
367static void
368udpipaddr_print(const struct ip *ip, int sport, int dport)
369{
370#ifdef INET6
371	const struct ip6_hdr *ip6;
372
373	if (IP_V(ip) == 6)
374		ip6 = (const struct ip6_hdr *)ip;
375	else
376		ip6 = NULL;
377
378	if (ip6) {
379		if (ip6->ip6_nxt == IPPROTO_UDP) {
380			if (sport == -1) {
381				(void)printf("%s > %s: ",
382					ip6addr_string(&ip6->ip6_src),
383					ip6addr_string(&ip6->ip6_dst));
384			} else {
385				(void)printf("%s.%s > %s.%s: ",
386					ip6addr_string(&ip6->ip6_src),
387					udpport_string(sport),
388					ip6addr_string(&ip6->ip6_dst),
389					udpport_string(dport));
390			}
391		} else {
392			if (sport != -1) {
393				(void)printf("%s > %s: ",
394					udpport_string(sport),
395					udpport_string(dport));
396			}
397		}
398	} else
399#endif /*INET6*/
400	{
401		if (ip->ip_p == IPPROTO_UDP) {
402			if (sport == -1) {
403				(void)printf("%s > %s: ",
404					ipaddr_string(&ip->ip_src),
405					ipaddr_string(&ip->ip_dst));
406			} else {
407				(void)printf("%s.%s > %s.%s: ",
408					ipaddr_string(&ip->ip_src),
409					udpport_string(sport),
410					ipaddr_string(&ip->ip_dst),
411					udpport_string(dport));
412			}
413		} else {
414			if (sport != -1) {
415				(void)printf("%s > %s: ",
416					udpport_string(sport),
417					udpport_string(dport));
418			}
419		}
420	}
421}
422
423void
424udp_print(register const u_char *bp, u_int length,
425	  register const u_char *bp2, int fragmented)
426{
427	register const struct udphdr *up;
428	register const struct ip *ip;
429	register const u_char *cp;
430	register const u_char *ep = bp + length;
431	u_int16_t sport, dport, ulen;
432#ifdef INET6
433	register const struct ip6_hdr *ip6;
434#endif
435
436	if (ep > snapend)
437		ep = snapend;
438	up = (struct udphdr *)bp;
439	ip = (struct ip *)bp2;
440#ifdef INET6
441	if (IP_V(ip) == 6)
442		ip6 = (struct ip6_hdr *)bp2;
443	else
444		ip6 = NULL;
445#endif /*INET6*/
446	cp = (u_char *)(up + 1);
447	if (!TTEST(up->uh_dport)) {
448		udpipaddr_print(ip, -1, -1);
449		(void)printf("[|udp]");
450		return;
451	}
452
453	sport = EXTRACT_16BITS(&up->uh_sport);
454	dport = EXTRACT_16BITS(&up->uh_dport);
455
456	if (length < sizeof(struct udphdr)) {
457		udpipaddr_print(ip, sport, dport);
458		(void)printf("truncated-udp %d", length);
459		return;
460	}
461	length -= sizeof(struct udphdr);
462
463	if (cp > snapend) {
464		udpipaddr_print(ip, sport, dport);
465		(void)printf("[|udp]");
466		return;
467	}
468
469	ulen = EXTRACT_16BITS(&up->uh_ulen);
470	if (ulen < 8) {
471		udpipaddr_print(ip, sport, dport);
472		(void)printf("truncated-udplength %d", ulen);
473		return;
474	}
475	if (packettype) {
476		register struct sunrpc_msg *rp;
477		enum sunrpc_msg_type direction;
478
479		switch (packettype) {
480
481		case PT_VAT:
482			udpipaddr_print(ip, sport, dport);
483			vat_print((void *)(up + 1), up);
484			break;
485
486		case PT_WB:
487			udpipaddr_print(ip, sport, dport);
488			wb_print((void *)(up + 1), length);
489			break;
490
491		case PT_RPC:
492			rp = (struct sunrpc_msg *)(up + 1);
493			direction = (enum sunrpc_msg_type)EXTRACT_32BITS(&rp->rm_direction);
494			if (direction == SUNRPC_CALL)
495				sunrpcrequest_print((u_char *)rp, length,
496				    (u_char *)ip);
497			else
498				nfsreply_print((u_char *)rp, length,
499				    (u_char *)ip);			/*XXX*/
500			break;
501
502		case PT_RTP:
503			udpipaddr_print(ip, sport, dport);
504			rtp_print((void *)(up + 1), length, up);
505			break;
506
507		case PT_RTCP:
508			udpipaddr_print(ip, sport, dport);
509			while (cp < ep)
510				cp = rtcp_print(cp, ep);
511			break;
512
513		case PT_SNMP:
514			udpipaddr_print(ip, sport, dport);
515			snmp_print((const u_char *)(up + 1), length);
516			break;
517
518		case PT_CNFP:
519			udpipaddr_print(ip, sport, dport);
520			cnfp_print(cp, (const u_char *)ip);
521			break;
522
523		case PT_TFTP:
524			udpipaddr_print(ip, sport, dport);
525			tftp_print(cp, length);
526			break;
527
528		case PT_AODV:
529			udpipaddr_print(ip, sport, dport);
530			aodv_print((const u_char *)(up + 1), length,
531#ifdef INET6
532			    ip6 != NULL);
533#else
534			    0);
535#endif
536			break;
537		}
538		return;
539	}
540
541	if (!qflag) {
542		register struct sunrpc_msg *rp;
543		enum sunrpc_msg_type direction;
544
545		rp = (struct sunrpc_msg *)(up + 1);
546		if (TTEST(rp->rm_direction)) {
547			direction = (enum sunrpc_msg_type)EXTRACT_32BITS(&rp->rm_direction);
548			if (dport == NFS_PORT && direction == SUNRPC_CALL) {
549				nfsreq_print((u_char *)rp, length,
550				    (u_char *)ip);
551				return;
552			}
553			if (sport == NFS_PORT && direction == SUNRPC_REPLY) {
554				nfsreply_print((u_char *)rp, length,
555				    (u_char *)ip);
556				return;
557			}
558#ifdef notdef
559			if (dport == SUNRPC_PORT && direction == SUNRPC_CALL) {
560				sunrpcrequest_print((u_char *)rp, length, (u_char *)ip);
561				return;
562			}
563#endif
564		}
565		if (TTEST(((struct LAP *)cp)->type) &&
566		    ((struct LAP *)cp)->type == lapDDP &&
567		    (atalk_port(sport) || atalk_port(dport))) {
568			if (vflag)
569				fputs("kip ", stdout);
570			llap_print(cp, length);
571			return;
572		}
573	}
574	udpipaddr_print(ip, sport, dport);
575
576	if (IP_V(ip) == 4 && (vflag > 1) && !Kflag && !fragmented) {
577		int sum = up->uh_sum;
578		if (sum == 0) {
579			(void)printf("[no cksum] ");
580		} else if (TTEST2(cp[0], length)) {
581			sum = udp_cksum(ip, up, length + sizeof(struct udphdr));
582			if (sum != 0)
583				(void)printf("[bad udp cksum %x!] ", sum);
584			else
585				(void)printf("[udp sum ok] ");
586		}
587	}
588#ifdef INET6
589	if (IP_V(ip) == 6 && ip6->ip6_plen && vflag && !Kflag && !fragmented) {
590		int sum = up->uh_sum;
591		/* for IPv6, UDP checksum is mandatory */
592		if (TTEST2(cp[0], length)) {
593			sum = udp6_cksum(ip6, up, length + sizeof(struct udphdr));
594			if (sum != 0)
595				(void)printf("[bad udp cksum %x!] ", sum);
596			else
597				(void)printf("[udp sum ok] ");
598		}
599	}
600#endif
601
602	if (!qflag) {
603#define ISPORT(p) (dport == (p) || sport == (p))
604		if (ISPORT(NAMESERVER_PORT))
605			ns_print((const u_char *)(up + 1), length, 0);
606		else if (ISPORT(MULTICASTDNS_PORT))
607			ns_print((const u_char *)(up + 1), length, 1);
608		else if (ISPORT(TIMED_PORT))
609			timed_print((const u_char *)(up + 1));
610		else if (ISPORT(TFTP_PORT))
611			tftp_print((const u_char *)(up + 1), length);
612		else if (ISPORT(IPPORT_BOOTPC) || ISPORT(IPPORT_BOOTPS))
613			bootp_print((const u_char *)(up + 1), length);
614		else if (ISPORT(RIP_PORT))
615			rip_print((const u_char *)(up + 1), length);
616		else if (ISPORT(AODV_PORT))
617			aodv_print((const u_char *)(up + 1), length,
618#ifdef INET6
619			    ip6 != NULL);
620#else
621			    0);
622#endif
623	        else if (ISPORT(ISAKMP_PORT))
624			 isakmp_print(gndo, (const u_char *)(up + 1), length, bp2);
625  	        else if (ISPORT(ISAKMP_PORT_NATT))
626			 isakmp_rfc3948_print(gndo, (const u_char *)(up + 1), length, bp2);
627#if 1 /*???*/
628   	        else if (ISPORT(ISAKMP_PORT_USER1) || ISPORT(ISAKMP_PORT_USER2))
629			isakmp_print(gndo, (const u_char *)(up + 1), length, bp2);
630#endif
631		else if (ISPORT(SNMP_PORT) || ISPORT(SNMPTRAP_PORT))
632			snmp_print((const u_char *)(up + 1), length);
633		else if (ISPORT(NTP_PORT))
634			ntp_print((const u_char *)(up + 1), length);
635		else if (ISPORT(KERBEROS_PORT) || ISPORT(KERBEROS_SEC_PORT))
636			krb_print((const void *)(up + 1));
637		else if (ISPORT(L2TP_PORT))
638			l2tp_print((const u_char *)(up + 1), length);
639#ifdef TCPDUMP_DO_SMB
640		else if (ISPORT(NETBIOS_NS_PORT))
641			nbt_udp137_print((const u_char *)(up + 1), length);
642		else if (ISPORT(NETBIOS_DGRAM_PORT))
643			nbt_udp138_print((const u_char *)(up + 1), length);
644#endif
645		else if (dport == 3456)
646			vat_print((const void *)(up + 1), up);
647		else if (ISPORT(ZEPHYR_SRV_PORT) || ISPORT(ZEPHYR_CLT_PORT))
648			zephyr_print((const void *)(up + 1), length);
649		/*
650		 * Since there are 10 possible ports to check, I think
651		 * a <> test would be more efficient
652		 */
653		else if ((sport >= RX_PORT_LOW && sport <= RX_PORT_HIGH) ||
654			 (dport >= RX_PORT_LOW && dport <= RX_PORT_HIGH))
655			rx_print((const void *)(up + 1), length, sport, dport,
656				 (u_char *) ip);
657#ifdef INET6
658		else if (ISPORT(RIPNG_PORT))
659			ripng_print((const u_char *)(up + 1), length);
660		else if (ISPORT(DHCP6_SERV_PORT) || ISPORT(DHCP6_CLI_PORT)) {
661			dhcp6_print((const u_char *)(up + 1), length);
662		}
663#endif /*INET6*/
664		/*
665		 * Kludge in test for whiteboard packets.
666		 */
667		else if (dport == 4567)
668			wb_print((const void *)(up + 1), length);
669		else if (ISPORT(CISCO_AUTORP_PORT))
670			cisco_autorp_print((const void *)(up + 1), length);
671		else if (ISPORT(RADIUS_PORT) ||
672			 ISPORT(RADIUS_NEW_PORT) ||
673			 ISPORT(RADIUS_ACCOUNTING_PORT) ||
674			 ISPORT(RADIUS_NEW_ACCOUNTING_PORT) )
675			radius_print((const u_char *)(up+1), length);
676		else if (dport == HSRP_PORT)
677			hsrp_print((const u_char *)(up + 1), length);
678		else if (ISPORT(LWRES_PORT))
679			lwres_print((const u_char *)(up + 1), length);
680		else if (ISPORT(LDP_PORT))
681			ldp_print((const u_char *)(up + 1), length);
682		else if (ISPORT(OLSR_PORT))
683			olsr_print((const u_char *)(up + 1), length,
684#if INET6
685					(IP_V(ip) == 6) ? 1 : 0);
686#else
687					0);
688#endif
689		else if (ISPORT(MPLS_LSP_PING_PORT))
690			lspping_print((const u_char *)(up + 1), length);
691		else if (dport == BFD_CONTROL_PORT ||
692			 dport == BFD_ECHO_PORT )
693			bfd_print((const u_char *)(up+1), length, dport);
694                else if (ISPORT(LMP_PORT))
695			lmp_print((const u_char *)(up + 1), length);
696		else if (ISPORT(VQP_PORT))
697			vqp_print((const u_char *)(up + 1), length);
698                else if (ISPORT(SFLOW_PORT))
699                        sflow_print((const u_char *)(up + 1), length);
700	        else if (dport == LWAPP_CONTROL_PORT)
701			lwapp_control_print((const u_char *)(up + 1), length, 1);
702                else if (sport == LWAPP_CONTROL_PORT)
703                        lwapp_control_print((const u_char *)(up + 1), length, 0);
704                else if (ISPORT(LWAPP_DATA_PORT))
705                        lwapp_data_print((const u_char *)(up + 1), length);
706                else if (ISPORT(SIP_PORT))
707			sip_print((const u_char *)(up + 1), length);
708                else if (ISPORT(SYSLOG_PORT))
709			syslog_print((const u_char *)(up + 1), length);
710		else
711			(void)printf("UDP, length %u",
712			    (u_int32_t)(ulen - sizeof(*up)));
713#undef ISPORT
714	} else
715		(void)printf("UDP, length %u", (u_int32_t)(ulen - sizeof(*up)));
716}
717
718
719/*
720 * Local Variables:
721 * c-style: whitesmith
722 * c-basic-offset: 8
723 * End:
724 */
725
726