print-udp.c - platform/external/tcpdump - Git at Google

 /*
  * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
  *	The Regents of the University of California.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that: (1) source code distributions
  * retain the above copyright notice and this paragraph in its entirety, (2)
  * distributions including binary code include the above copyright notice and
  * this paragraph in its entirety in the documentation or other materials
  * provided with the distribution, and (3) all advertising materials mentioning
  * features or use of this software display the following acknowledgement:
  * ``This product includes software developed by the University of California,
  * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
  * the University nor the names of its contributors may be used to endorse
  * or promote products derived from this software without specific prior
  * written permission.
  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  */

 #ifndef lint
 static const char rcsid[] _U_ =
     "@(#) $Header: /tcpdump/master/tcpdump/print-udp.c,v 1.138.2.1 2007/03/28 07:45:46 hannes Exp $ (LBL)";
 #endif

 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif

 #include <tcpdump-stdinc.h>

 #ifdef SEGSIZE
 #undef SEGSIZE
 #endif
 //#include <arpa/tftp.h>
 #include "tftp.h"

 #include <stdio.h>
 #include <string.h>

 #include "interface.h"
 #include "addrtoname.h"
 #include "extract.h"
 #include "appletalk.h"

 #include "udp.h"

 #include "ip.h"
 #ifdef INET6
 #include "ip6.h"
 #endif
 #include "ipproto.h"
 #include "rpc_auth.h"
 #include "rpc_msg.h"

 #include "nameser.h"
 #include "nfs.h"
 #include "bootp.h"

 struct rtcphdr {
 	u_int16_t rh_flags;	/* T:2 P:1 CNT:5 PT:8 */
 	u_int16_t rh_len;	/* length of message (in words) */
 	u_int32_t rh_ssrc;	/* synchronization src id */
 };

 typedef struct {
 	u_int32_t upper;	/* more significant 32 bits */
 	u_int32_t lower;	/* less significant 32 bits */
 } ntp64;

 /*
  * Sender report.
  */
 struct rtcp_sr {
 	ntp64 sr_ntp;		/* 64-bit ntp timestamp */
 	u_int32_t sr_ts;	/* reference media timestamp */
 	u_int32_t sr_np;	/* no. packets sent */
 	u_int32_t sr_nb;	/* no. bytes sent */
 };

 /*
  * Receiver report.
  * Time stamps are middle 32-bits of ntp timestamp.
  */
 struct rtcp_rr {
 	u_int32_t rr_srcid;	/* sender being reported */
 	u_int32_t rr_nl;	/* no. packets lost */
 	u_int32_t rr_ls;	/* extended last seq number received */
 	u_int32_t rr_dv;	/* jitter (delay variance) */
 	u_int32_t rr_lsr;	/* orig. ts from last rr from this src  */
 	u_int32_t rr_dlsr;	/* time from recpt of last rr to xmit time */
 };

 /*XXX*/
 #define RTCP_PT_SR	200
 #define RTCP_PT_RR	201
 #define RTCP_PT_SDES	202
 #define 	RTCP_SDES_CNAME	1
 #define 	RTCP_SDES_NAME	2
 #define 	RTCP_SDES_EMAIL	3
 #define 	RTCP_SDES_PHONE	4
 #define 	RTCP_SDES_LOC	5
 #define 	RTCP_SDES_TOOL	6
 #define 	RTCP_SDES_NOTE	7
 #define 	RTCP_SDES_PRIV	8
 #define RTCP_PT_BYE	203
 #define RTCP_PT_APP	204

 static void
 vat_print(const void *hdr, register const struct udphdr *up)
 {
 	/* vat/vt audio */
 	u_int ts = *(u_int16_t *)hdr;
 	if ((ts & 0xf060) != 0) {
 		/* probably vt */
 		(void)printf("udp/vt %u %d / %d",
 			     (u_int32_t)(EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up)),
 			     ts & 0x3ff, ts >> 10);
 	} else {
 		/* probably vat */
 		u_int32_t i0 = EXTRACT_32BITS(&((u_int *)hdr)[0]);
 		u_int32_t i1 = EXTRACT_32BITS(&((u_int *)hdr)[1]);
 		printf("udp/vat %u c%d %u%s",
 			(u_int32_t)(EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up) - 8),
 			i0 & 0xffff,
 			i1, i0 & 0x800000? "*" : "");
 		/* audio format */
 		if (i0 & 0x1f0000)
 			printf(" f%d", (i0 >> 16) & 0x1f);
 		if (i0 & 0x3f000000)
 			printf(" s%d", (i0 >> 24) & 0x3f);
 	}
 }

 static void
 rtp_print(const void *hdr, u_int len, register const struct udphdr *up)
 {
 	/* rtp v1 or v2 */
 	u_int *ip = (u_int *)hdr;
 	u_int hasopt, hasext, contype, hasmarker;
 	u_int32_t i0 = EXTRACT_32BITS(&((u_int *)hdr)[0]);
 	u_int32_t i1 = EXTRACT_32BITS(&((u_int *)hdr)[1]);
 	u_int dlen = EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up) - 8;
 	const char * ptype;

 	ip += 2;
 	len >>= 2;
 	len -= 2;
 	hasopt = 0;
 	hasext = 0;
 	if ((i0 >> 30) == 1) {
 		/* rtp v1 */
 		hasopt = i0 & 0x800000;
 		contype = (i0 >> 16) & 0x3f;
 		hasmarker = i0 & 0x400000;
 		ptype = "rtpv1";
 	} else {
 		/* rtp v2 */
 		hasext = i0 & 0x10000000;
 		contype = (i0 >> 16) & 0x7f;
 		hasmarker = i0 & 0x800000;
 		dlen -= 4;
 		ptype = "rtp";
 		ip += 1;
 		len -= 1;
 	}
 	printf("udp/%s %d c%d %s%s %d %u",
 		ptype,
 		dlen,
 		contype,
 		(hasopt || hasext)? "+" : "",
 		hasmarker? "*" : "",
 		i0 & 0xffff,
 		i1);
 	if (vflag) {
 		printf(" %u", EXTRACT_32BITS(&((u_int *)hdr)[2]));
 		if (hasopt) {
 			u_int i2, optlen;
 			do {
 				i2 = ip[0];
 				optlen = (i2 >> 16) & 0xff;
 				if (optlen == 0 || optlen > len) {
 					printf(" !opt");
 					return;
 				}
 				ip += optlen;
 				len -= optlen;
 			} while ((int)i2 >= 0);
 		}
 		if (hasext) {
 			u_int i2, extlen;
 			i2 = ip[0];
 			extlen = (i2 & 0xffff) + 1;
 			if (extlen > len) {
 				printf(" !ext");
 				return;
 			}
 			ip += extlen;
 		}
 		if (contype == 0x1f) /*XXX H.261 */
 			printf(" 0x%04x", ip[0] >> 16);
 	}
 }

 static const u_char *
 rtcp_print(const u_char *hdr, const u_char *ep)
 {
 	/* rtp v2 control (rtcp) */
 	struct rtcp_rr *rr = 0;
 	struct rtcp_sr *sr;
 	struct rtcphdr *rh = (struct rtcphdr *)hdr;
 	u_int len;
 	u_int16_t flags;
 	int cnt;
 	double ts, dts;
 	if ((u_char *)(rh + 1) > ep) {
 		printf(" [|rtcp]");
 		return (ep);
 	}
 	len = (EXTRACT_16BITS(&rh->rh_len) + 1) * 4;
 	flags = EXTRACT_16BITS(&rh->rh_flags);
 	cnt = (flags >> 8) & 0x1f;
 	switch (flags & 0xff) {
 	case RTCP_PT_SR:
 		sr = (struct rtcp_sr *)(rh + 1);
 		printf(" sr");
 		if (len != cnt * sizeof(*rr) + sizeof(*sr) + sizeof(*rh))
 			printf(" [%d]", len);
 		if (vflag)
 			printf(" %u", EXTRACT_32BITS(&rh->rh_ssrc));
 		if ((u_char *)(sr + 1) > ep) {
 			printf(" [|rtcp]");
 			return (ep);
 		}
 		ts = (double)(EXTRACT_32BITS(&sr->sr_ntp.upper)) +
 		    ((double)(EXTRACT_32BITS(&sr->sr_ntp.lower)) /
 		    4294967296.0);
 		printf(" @%.2f %u %up %ub", ts, EXTRACT_32BITS(&sr->sr_ts),
 		    EXTRACT_32BITS(&sr->sr_np), EXTRACT_32BITS(&sr->sr_nb));
 		rr = (struct rtcp_rr *)(sr + 1);
 		break;
 	case RTCP_PT_RR:
 		printf(" rr");
 		if (len != cnt * sizeof(*rr) + sizeof(*rh))
 			printf(" [%d]", len);
 		rr = (struct rtcp_rr *)(rh + 1);
 		if (vflag)
 			printf(" %u", EXTRACT_32BITS(&rh->rh_ssrc));
 		break;
 	case RTCP_PT_SDES:
 		printf(" sdes %d", len);
 		if (vflag)
 			printf(" %u", EXTRACT_32BITS(&rh->rh_ssrc));
 		cnt = 0;
 		break;
 	case RTCP_PT_BYE:
 		printf(" bye %d", len);
 		if (vflag)
 			printf(" %u", EXTRACT_32BITS(&rh->rh_ssrc));
 		cnt = 0;
 		break;
 	default:
 		printf(" type-0x%x %d", flags & 0xff, len);
 		cnt = 0;
 		break;
 	}
 	if (cnt > 1)
 		printf(" c%d", cnt);
 	while (--cnt >= 0) {
 		if ((u_char *)(rr + 1) > ep) {
 			printf(" [|rtcp]");
 			return (ep);
 		}
 		if (vflag)
 			printf(" %u", EXTRACT_32BITS(&rr->rr_srcid));
 		ts = (double)(EXTRACT_32BITS(&rr->rr_lsr)) / 65536.;
 		dts = (double)(EXTRACT_32BITS(&rr->rr_dlsr)) / 65536.;
 		printf(" %ul %us %uj @%.2f+%.2f",
 		    EXTRACT_32BITS(&rr->rr_nl) & 0x00ffffff,
 		    EXTRACT_32BITS(&rr->rr_ls),
 		    EXTRACT_32BITS(&rr->rr_dv), ts, dts);
 	}
 	return (hdr + len);
 }

 static int udp_cksum(register const struct ip *ip,
 		     register const struct udphdr *up,
 		     register u_int len)
 {
 	union phu {
 		struct phdr {
 			u_int32_t src;
 			u_int32_t dst;
 			u_char mbz;
 			u_char proto;
 			u_int16_t len;
 		} ph;
 		u_int16_t pa[6];
 	} phu;
 	register const u_int16_t *sp;

 	/* pseudo-header.. */
 	phu.ph.len = htons((u_int16_t)len);
 	phu.ph.mbz = 0;
 	phu.ph.proto = IPPROTO_UDP;
 	memcpy(&phu.ph.src, &ip->ip_src.s_addr, sizeof(u_int32_t));
 	if (IP_HL(ip) == 5)
 		memcpy(&phu.ph.dst, &ip->ip_dst.s_addr, sizeof(u_int32_t));
 	else
 		phu.ph.dst = ip_finddst(ip);

 	sp = &phu.pa[0];
 	return in_cksum((u_short *)up, len,
 			sp[0]+sp[1]+sp[2]+sp[3]+sp[4]+sp[5]);
 }

 #ifdef INET6
 static int udp6_cksum(const struct ip6_hdr *ip6, const struct udphdr *up,
 	u_int len)
 {
 	size_t i;
 	register const u_int16_t *sp;
 	u_int32_t sum;
 	union {
 		struct {
 			struct in6_addr ph_src;
 			struct in6_addr ph_dst;
 			u_int32_t	ph_len;
 			u_int8_t	ph_zero[3];
 			u_int8_t	ph_nxt;
 		} ph;
 		u_int16_t pa[20];
 	} phu;

 	/* pseudo-header */
 	memset(&phu, 0, sizeof(phu));
 	phu.ph.ph_src = ip6->ip6_src;
 	phu.ph.ph_dst = ip6->ip6_dst;
 	phu.ph.ph_len = htonl(len);
 	phu.ph.ph_nxt = IPPROTO_UDP;

 	sum = 0;
 	for (i = 0; i < sizeof(phu.pa) / sizeof(phu.pa[0]); i++)
 		sum += phu.pa[i];

 	sp = (const u_int16_t *)up;

 	for (i = 0; i < (len & ~1); i += 2)
 		sum += *sp++;

 	if (len & 1)
 		sum += htons((*(const u_int8_t *)sp) << 8);

 	while (sum > 0xffff)
 		sum = (sum & 0xffff) + (sum >> 16);
 	sum = ~sum & 0xffff;

 	return (sum);
 }
 #endif

 static void
 udpipaddr_print(const struct ip *ip, int sport, int dport)
 {
 #ifdef INET6
 	const struct ip6_hdr *ip6;

 	if (IP_V(ip) == 6)
 		ip6 = (const struct ip6_hdr *)ip;
 	else
 		ip6 = NULL;

 	if (ip6) {
 		if (ip6->ip6_nxt == IPPROTO_UDP) {
 			if (sport == -1) {
 				(void)printf("%s > %s: ",
 					ip6addr_string(&ip6->ip6_src),
 					ip6addr_string(&ip6->ip6_dst));
 			} else {
 				(void)printf("%s.%s > %s.%s: ",
 					ip6addr_string(&ip6->ip6_src),
 					udpport_string(sport),
 					ip6addr_string(&ip6->ip6_dst),
 					udpport_string(dport));
 			}
 		} else {
 			if (sport != -1) {
 				(void)printf("%s > %s: ",
 					udpport_string(sport),
 					udpport_string(dport));
 			}
 		}
 	} else
 #endif /*INET6*/
 	{
 		if (ip->ip_p == IPPROTO_UDP) {
 			if (sport == -1) {
 				(void)printf("%s > %s: ",
 					ipaddr_string(&ip->ip_src),
 					ipaddr_string(&ip->ip_dst));
 			} else {
 				(void)printf("%s.%s > %s.%s: ",
 					ipaddr_string(&ip->ip_src),
 					udpport_string(sport),
 					ipaddr_string(&ip->ip_dst),
 					udpport_string(dport));
 			}
 		} else {
 			if (sport != -1) {
 				(void)printf("%s > %s: ",
 					udpport_string(sport),
 					udpport_string(dport));
 			}
 		}
 	}
 }

 void
 udp_print(register const u_char *bp, u_int length,
 	  register const u_char *bp2, int fragmented)
 {
 	register const struct udphdr *up;
 	register const struct ip *ip;
 	register const u_char *cp;
 	register const u_char *ep = bp + length;
 	u_int16_t sport, dport, ulen;
 #ifdef INET6
 	register const struct ip6_hdr *ip6;
 #endif

 	if (ep > snapend)
 		ep = snapend;
 	up = (struct udphdr *)bp;
 	ip = (struct ip *)bp2;
 #ifdef INET6
 	if (IP_V(ip) == 6)
 		ip6 = (struct ip6_hdr *)bp2;
 	else
 		ip6 = NULL;
 #endif /*INET6*/
 	cp = (u_char *)(up + 1);
 	if (!TTEST(up->uh_dport)) {
 		udpipaddr_print(ip, -1, -1);
 		(void)printf("[|udp]");
 		return;
 	}

 	sport = EXTRACT_16BITS(&up->uh_sport);
 	dport = EXTRACT_16BITS(&up->uh_dport);

 	if (length < sizeof(struct udphdr)) {
 		udpipaddr_print(ip, sport, dport);
 		(void)printf("truncated-udp %d", length);
 		return;
 	}
 	length -= sizeof(struct udphdr);

 	if (cp > snapend) {
 		udpipaddr_print(ip, sport, dport);
 		(void)printf("[|udp]");
 		return;
 	}

 	ulen = EXTRACT_16BITS(&up->uh_ulen);
 	if (ulen < 8) {
 		udpipaddr_print(ip, sport, dport);
 		(void)printf("truncated-udplength %d", ulen);
 		return;
 	}
 	if (packettype) {
 		register struct sunrpc_msg *rp;
 		enum sunrpc_msg_type direction;

 		switch (packettype) {

 		case PT_VAT:
 			udpipaddr_print(ip, sport, dport);
 			vat_print((void *)(up + 1), up);
 			break;

 		case PT_WB:
 			udpipaddr_print(ip, sport, dport);
 			wb_print((void *)(up + 1), length);
 			break;

 		case PT_RPC:
 			rp = (struct sunrpc_msg *)(up + 1);
 			direction = (enum sunrpc_msg_type)EXTRACT_32BITS(&rp->rm_direction);
 			if (direction == SUNRPC_CALL)
 				sunrpcrequest_print((u_char *)rp, length,
 				    (u_char *)ip);
 			else
 				nfsreply_print((u_char *)rp, length,
 				    (u_char *)ip);			/*XXX*/
 			break;

 		case PT_RTP:
 			udpipaddr_print(ip, sport, dport);
 			rtp_print((void *)(up + 1), length, up);
 			break;

 		case PT_RTCP:
 			udpipaddr_print(ip, sport, dport);
 			while (cp < ep)
 				cp = rtcp_print(cp, ep);
 			break;

 		case PT_SNMP:
 			udpipaddr_print(ip, sport, dport);
 			snmp_print((const u_char *)(up + 1), length);
 			break;

 		case PT_CNFP:
 			udpipaddr_print(ip, sport, dport);
 			cnfp_print(cp, (const u_char *)ip);
 			break;

 		case PT_TFTP:
 			udpipaddr_print(ip, sport, dport);
 			tftp_print(cp, length);
 			break;

 		case PT_AODV:
 			udpipaddr_print(ip, sport, dport);
 			aodv_print((const u_char *)(up + 1), length,
 #ifdef INET6
 			    ip6 != NULL);
 #else
 			    0);
 #endif
 			break;
 		}
 		return;
 	}

 	if (!qflag) {
 		register struct sunrpc_msg *rp;
 		enum sunrpc_msg_type direction;

 		rp = (struct sunrpc_msg *)(up + 1);
 		if (TTEST(rp->rm_direction)) {
 			direction = (enum sunrpc_msg_type)EXTRACT_32BITS(&rp->rm_direction);
 			if (dport == NFS_PORT && direction == SUNRPC_CALL) {
 				nfsreq_print((u_char *)rp, length,
 				    (u_char *)ip);
 				return;
 			}
 			if (sport == NFS_PORT && direction == SUNRPC_REPLY) {
 				nfsreply_print((u_char *)rp, length,
 				    (u_char *)ip);
 				return;
 			}
 #ifdef notdef
 			if (dport == SUNRPC_PORT && direction == SUNRPC_CALL) {
 				sunrpcrequest_print((u_char *)rp, length, (u_char *)ip);
 				return;
 			}
 #endif
 		}
 		if (TTEST(((struct LAP *)cp)->type) &&
 		    ((struct LAP *)cp)->type == lapDDP &&
 		    (atalk_port(sport) || atalk_port(dport))) {
 			if (vflag)
 				fputs("kip ", stdout);
 			llap_print(cp, length);
 			return;
 		}
 	}
 	udpipaddr_print(ip, sport, dport);

 	if (IP_V(ip) == 4 && (vflag > 1) && !fragmented) {
 		int sum = up->uh_sum;
 		if (sum == 0) {
 			(void)printf("[no cksum] ");
 		} else if (TTEST2(cp[0], length)) {
 			sum = udp_cksum(ip, up, length + sizeof(struct udphdr));
 			if (sum != 0)
 				(void)printf("[bad udp cksum %x!] ", sum);
 			else
 				(void)printf("[udp sum ok] ");
 		}
 	}
 #ifdef INET6
 	if (IP_V(ip) == 6 && ip6->ip6_plen && vflag && !fragmented) {
 		int sum = up->uh_sum;
 		/* for IPv6, UDP checksum is mandatory */
 		if (TTEST2(cp[0], length)) {
 			sum = udp6_cksum(ip6, up, length + sizeof(struct udphdr));
 			if (sum != 0)
 				(void)printf("[bad udp cksum %x!] ", sum);
 			else
 				(void)printf("[udp sum ok] ");
 		}
 	}
 #endif

 	if (!qflag) {
 #define ISPORT(p) (dport == (p) || sport == (p))
 		if (ISPORT(NAMESERVER_PORT))
 			ns_print((const u_char *)(up + 1), length, 0);
 		else if (ISPORT(MULTICASTDNS_PORT))
 			ns_print((const u_char *)(up + 1), length, 1);
 		else if (ISPORT(TIMED_PORT))
 			timed_print((const u_char *)(up + 1));
 		else if (ISPORT(TFTP_PORT))
 			tftp_print((const u_char *)(up + 1), length);
 		else if (ISPORT(IPPORT_BOOTPC) || ISPORT(IPPORT_BOOTPS))
 			bootp_print((const u_char *)(up + 1), length);
 		else if (ISPORT(RIP_PORT))
 			rip_print((const u_char *)(up + 1), length);
 		else if (ISPORT(AODV_PORT))
 			aodv_print((const u_char *)(up + 1), length,
 #ifdef INET6
 			    ip6 != NULL);
 #else
 			    0);
 #endif
 	        else if (ISPORT(ISAKMP_PORT))
 			 isakmp_print(gndo, (const u_char *)(up + 1), length, bp2);
   	        else if (ISPORT(ISAKMP_PORT_NATT))
 			 isakmp_rfc3948_print(gndo, (const u_char *)(up + 1), length, bp2);
 #if 1 /*???*/
    	        else if (ISPORT(ISAKMP_PORT_USER1) || ISPORT(ISAKMP_PORT_USER2))
 			isakmp_print(gndo, (const u_char *)(up + 1), length, bp2);
 #endif
 		else if (ISPORT(SNMP_PORT) || ISPORT(SNMPTRAP_PORT))
 			snmp_print((const u_char *)(up + 1), length);
 		else if (ISPORT(NTP_PORT))
 			ntp_print((const u_char *)(up + 1), length);
 		else if (ISPORT(KERBEROS_PORT) || ISPORT(KERBEROS_SEC_PORT))
 			krb_print((const void *)(up + 1));
 		else if (ISPORT(L2TP_PORT))
 			l2tp_print((const u_char *)(up + 1), length);
 #ifdef TCPDUMP_DO_SMB
 		else if (ISPORT(NETBIOS_NS_PORT))
 			nbt_udp137_print((const u_char *)(up + 1), length);
 		else if (ISPORT(NETBIOS_DGRAM_PORT))
 			nbt_udp138_print((const u_char *)(up + 1), length);
 #endif
 		else if (dport == 3456)
 			vat_print((const void *)(up + 1), up);
 		else if (ISPORT(ZEPHYR_SRV_PORT) || ISPORT(ZEPHYR_CLT_PORT))
 			zephyr_print((const void *)(up + 1), length);
 		/*
 		 * Since there are 10 possible ports to check, I think
 		 * a <> test would be more efficient
 		 */
 		else if ((sport >= RX_PORT_LOW && sport <= RX_PORT_HIGH) ||
 			 (dport >= RX_PORT_LOW && dport <= RX_PORT_HIGH))
 			rx_print((const void *)(up + 1), length, sport, dport,
 				 (u_char *) ip);
 #ifdef INET6
 		else if (ISPORT(RIPNG_PORT))
 			ripng_print((const u_char *)(up + 1), length);
 		else if (ISPORT(DHCP6_SERV_PORT) || ISPORT(DHCP6_CLI_PORT)) {
 			dhcp6_print((const u_char *)(up + 1), length);
 		}
 #endif /*INET6*/
 		/*
 		 * Kludge in test for whiteboard packets.
 		 */
 		else if (dport == 4567)
 			wb_print((const void *)(up + 1), length);
 		else if (ISPORT(CISCO_AUTORP_PORT))
 			cisco_autorp_print((const void *)(up + 1), length);
 		else if (ISPORT(RADIUS_PORT) ||
 			 ISPORT(RADIUS_NEW_PORT) ||
 			 ISPORT(RADIUS_ACCOUNTING_PORT) ||
 			 ISPORT(RADIUS_NEW_ACCOUNTING_PORT) )
 			radius_print((const u_char *)(up+1), length);
 		else if (dport == HSRP_PORT)
 			hsrp_print((const u_char *)(up + 1), length);
 		else if (ISPORT(LWRES_PORT))
 			lwres_print((const u_char *)(up + 1), length);
                 else if (ISPORT(LDP_PORT))
 			ldp_print((const u_char *)(up + 1), length);
                 else if (ISPORT(OLSR_PORT))
 			olsr_print((const u_char *)(up + 1), length);
                 else if (ISPORT(MPLS_LSP_PING_PORT))
 			lspping_print((const u_char *)(up + 1), length);
 		else if (dport == BFD_CONTROL_PORT ||
 			 dport == BFD_ECHO_PORT )
 			bfd_print((const u_char *)(up+1), length, dport);
                 else if (ISPORT(LMP_PORT))
 			lmp_print((const u_char *)(up + 1), length);
                 else if (ISPORT(SIP_PORT))
 			sip_print((const u_char *)(up + 1), length);
                 else if (ISPORT(SYSLOG_PORT))
 			syslog_print((const u_char *)(up + 1), length);
 		else
 			(void)printf("UDP, length %u",
 			    (u_int32_t)(ulen - sizeof(*up)));
 #undef ISPORT
 	} else
 		(void)printf("UDP, length %u", (u_int32_t)(ulen - sizeof(*up)));
 }


 /*
  * Local Variables:
  * c-style: whitesmith
  * c-basic-offset: 8
  * End:
  */
	/*
	* Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
	* The Regents of the University of California. All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that: (1) source code distributions
	* retain the above copyright notice and this paragraph in its entirety, (2)
	* distributions including binary code include the above copyright notice and
	* this paragraph in its entirety in the documentation or other materials
	* provided with the distribution, and (3) all advertising materials mentioning
	* features or use of this software display the following acknowledgement:
	* ``This product includes software developed by the University of California,
	* Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
	* the University nor the names of its contributors may be used to endorse
	* or promote products derived from this software without specific prior
	* written permission.
	* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
	* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
	* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
	*/

	#ifndef lint
	static const char rcsid[] _U_ =
	"@(#) $Header: /tcpdump/master/tcpdump/print-udp.c,v 1.138.2.1 2007/03/28 07:45:46 hannes Exp $ (LBL)";
	#endif

	#ifdef HAVE_CONFIG_H
	#include "config.h"
	#endif

	#include <tcpdump-stdinc.h>

	#ifdef SEGSIZE
	#undef SEGSIZE
	#endif
	//#include <arpa/tftp.h>
	#include "tftp.h"

	#include <stdio.h>
	#include <string.h>

	#include "interface.h"
	#include "addrtoname.h"
	#include "extract.h"
	#include "appletalk.h"

	#include "udp.h"

	#include "ip.h"
	#ifdef INET6
	#include "ip6.h"
	#endif
	#include "ipproto.h"
	#include "rpc_auth.h"
	#include "rpc_msg.h"

	#include "nameser.h"
	#include "nfs.h"
	#include "bootp.h"

	struct rtcphdr {
	u_int16_t rh_flags; /* T:2 P:1 CNT:5 PT:8 */
	u_int16_t rh_len; /* length of message (in words) */
	u_int32_t rh_ssrc; /* synchronization src id */
	};

	typedef struct {
	u_int32_t upper; /* more significant 32 bits */
	u_int32_t lower; /* less significant 32 bits */
	} ntp64;

	/*
	* Sender report.
	*/
	struct rtcp_sr {
	ntp64 sr_ntp; /* 64-bit ntp timestamp */
	u_int32_t sr_ts; /* reference media timestamp */
	u_int32_t sr_np; /* no. packets sent */
	u_int32_t sr_nb; /* no. bytes sent */
	};

	/*
	* Receiver report.
	* Time stamps are middle 32-bits of ntp timestamp.
	*/
	struct rtcp_rr {
	u_int32_t rr_srcid; /* sender being reported */
	u_int32_t rr_nl; /* no. packets lost */
	u_int32_t rr_ls; /* extended last seq number received */
	u_int32_t rr_dv; /* jitter (delay variance) */
	u_int32_t rr_lsr; /* orig. ts from last rr from this src */
	u_int32_t rr_dlsr; /* time from recpt of last rr to xmit time */
	};

	/XXX/
	#define RTCP_PT_SR 200
	#define RTCP_PT_RR 201
	#define RTCP_PT_SDES 202
	#define RTCP_SDES_CNAME 1
	#define RTCP_SDES_NAME 2
	#define RTCP_SDES_EMAIL 3
	#define RTCP_SDES_PHONE 4
	#define RTCP_SDES_LOC 5
	#define RTCP_SDES_TOOL 6
	#define RTCP_SDES_NOTE 7
	#define RTCP_SDES_PRIV 8
	#define RTCP_PT_BYE 203
	#define RTCP_PT_APP 204

	static void
	vat_print(const void hdr, register const struct udphdr up)
	{
	/* vat/vt audio */
	u_int ts = (u_int16_t )hdr;
	if ((ts & 0xf060) != 0) {
	/* probably vt */
	(void)printf("udp/vt %u %d / %d",
	(u_int32_t)(EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up)),
	ts & 0x3ff, ts >> 10);
	} else {
	/* probably vat */
	u_int32_t i0 = EXTRACT_32BITS(&((u_int *)hdr)[0]);
	u_int32_t i1 = EXTRACT_32BITS(&((u_int *)hdr)[1]);
	printf("udp/vat %u c%d %u%s",
	(u_int32_t)(EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up) - 8),
	i0 & 0xffff,
	i1, i0 & 0x800000? "*" : "");
	/* audio format */
	if (i0 & 0x1f0000)
	printf(" f%d", (i0 >> 16) & 0x1f);
	if (i0 & 0x3f000000)
	printf(" s%d", (i0 >> 24) & 0x3f);
	}
	}

	static void
	rtp_print(const void hdr, u_int len, register const struct udphdr up)
	{
	/* rtp v1 or v2 */
	u_int ip = (u_int )hdr;
	u_int hasopt, hasext, contype, hasmarker;
	u_int32_t i0 = EXTRACT_32BITS(&((u_int *)hdr)[0]);
	u_int32_t i1 = EXTRACT_32BITS(&((u_int *)hdr)[1]);
	u_int dlen = EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up) - 8;
	const char * ptype;

	ip += 2;
	len >>= 2;
	len -= 2;
	hasopt = 0;
	hasext = 0;
	if ((i0 >> 30) == 1) {
	/* rtp v1 */
	hasopt = i0 & 0x800000;
	contype = (i0 >> 16) & 0x3f;
	hasmarker = i0 & 0x400000;
	ptype = "rtpv1";
	} else {
	/* rtp v2 */
	hasext = i0 & 0x10000000;
	contype = (i0 >> 16) & 0x7f;
	hasmarker = i0 & 0x800000;
	dlen -= 4;
	ptype = "rtp";
	ip += 1;
	len -= 1;
	}
	printf("udp/%s %d c%d %s%s %d %u",
	ptype,
	dlen,
	contype,
	(hasopt \|\| hasext)? "+" : "",
	hasmarker? "*" : "",
	i0 & 0xffff,
	i1);
	if (vflag) {
	printf(" %u", EXTRACT_32BITS(&((u_int *)hdr)[2]));
	if (hasopt) {
	u_int i2, optlen;
	do {
	i2 = ip[0];
	optlen = (i2 >> 16) & 0xff;
	if (optlen == 0 \|\| optlen > len) {
	printf(" !opt");
	return;
	}
	ip += optlen;
	len -= optlen;
	} while ((int)i2 >= 0);
	}
	if (hasext) {
	u_int i2, extlen;
	i2 = ip[0];
	extlen = (i2 & 0xffff) + 1;
	if (extlen > len) {
	printf(" !ext");
	return;
	}
	ip += extlen;
	}
	if (contype == 0x1f) /XXX H.261 /
	printf(" 0x%04x", ip[0] >> 16);
	}
	}

	static const u_char *
	rtcp_print(const u_char hdr, const u_char ep)
	{
	/* rtp v2 control (rtcp) */
	struct rtcp_rr *rr = 0;
	struct rtcp_sr *sr;
	struct rtcphdr rh = (struct rtcphdr )hdr;
	u_int len;
	u_int16_t flags;
	int cnt;
	double ts, dts;
	if ((u_char *)(rh + 1) > ep) {
	printf(" [\|rtcp]");
	return (ep);
	}
	len = (EXTRACT_16BITS(&rh->rh_len) + 1) * 4;
	flags = EXTRACT_16BITS(&rh->rh_flags);
	cnt = (flags >> 8) & 0x1f;
	switch (flags & 0xff) {
	case RTCP_PT_SR:
	sr = (struct rtcp_sr *)(rh + 1);
	printf(" sr");
	if (len != cnt * sizeof(rr) + sizeof(sr) + sizeof(*rh))
	printf(" [%d]", len);
	if (vflag)
	printf(" %u", EXTRACT_32BITS(&rh->rh_ssrc));
	if ((u_char *)(sr + 1) > ep) {
	printf(" [\|rtcp]");
	return (ep);
	}
	ts = (double)(EXTRACT_32BITS(&sr->sr_ntp.upper)) +
	((double)(EXTRACT_32BITS(&sr->sr_ntp.lower)) /
	4294967296.0);
	printf(" @%.2f %u %up %ub", ts, EXTRACT_32BITS(&sr->sr_ts),
	EXTRACT_32BITS(&sr->sr_np), EXTRACT_32BITS(&sr->sr_nb));
	rr = (struct rtcp_rr *)(sr + 1);
	break;
	case RTCP_PT_RR:
	printf(" rr");
	if (len != cnt * sizeof(rr) + sizeof(rh))
	printf(" [%d]", len);
	rr = (struct rtcp_rr *)(rh + 1);
	if (vflag)
	printf(" %u", EXTRACT_32BITS(&rh->rh_ssrc));
	break;
	case RTCP_PT_SDES:
	printf(" sdes %d", len);
	if (vflag)
	printf(" %u", EXTRACT_32BITS(&rh->rh_ssrc));
	cnt = 0;
	break;
	case RTCP_PT_BYE:
	printf(" bye %d", len);
	if (vflag)
	printf(" %u", EXTRACT_32BITS(&rh->rh_ssrc));
	cnt = 0;
	break;
	default:
	printf(" type-0x%x %d", flags & 0xff, len);
	cnt = 0;
	break;
	}
	if (cnt > 1)
	printf(" c%d", cnt);
	while (--cnt >= 0) {
	if ((u_char *)(rr + 1) > ep) {
	printf(" [\|rtcp]");
	return (ep);
	}
	if (vflag)
	printf(" %u", EXTRACT_32BITS(&rr->rr_srcid));
	ts = (double)(EXTRACT_32BITS(&rr->rr_lsr)) / 65536.;
	dts = (double)(EXTRACT_32BITS(&rr->rr_dlsr)) / 65536.;
	printf(" %ul %us %uj @%.2f+%.2f",
	EXTRACT_32BITS(&rr->rr_nl) & 0x00ffffff,
	EXTRACT_32BITS(&rr->rr_ls),
	EXTRACT_32BITS(&rr->rr_dv), ts, dts);
	}
	return (hdr + len);
	}

	static int udp_cksum(register const struct ip *ip,
	register const struct udphdr *up,
	register u_int len)
	{
	union phu {
	struct phdr {
	u_int32_t src;
	u_int32_t dst;
	u_char mbz;
	u_char proto;
	u_int16_t len;
	} ph;
	u_int16_t pa[6];
	} phu;
	register const u_int16_t *sp;

	/* pseudo-header.. */
	phu.ph.len = htons((u_int16_t)len);
	phu.ph.mbz = 0;
	phu.ph.proto = IPPROTO_UDP;
	memcpy(&phu.ph.src, &ip->ip_src.s_addr, sizeof(u_int32_t));
	if (IP_HL(ip) == 5)
	memcpy(&phu.ph.dst, &ip->ip_dst.s_addr, sizeof(u_int32_t));
	else
	phu.ph.dst = ip_finddst(ip);

	sp = &phu.pa[0];
	return in_cksum((u_short *)up, len,
	sp[0]+sp[1]+sp[2]+sp[3]+sp[4]+sp[5]);
	}

	#ifdef INET6
	static int udp6_cksum(const struct ip6_hdr ip6, const struct udphdr up,
	u_int len)
	{
	size_t i;
	register const u_int16_t *sp;
	u_int32_t sum;
	union {
	struct {
	struct in6_addr ph_src;
	struct in6_addr ph_dst;
	u_int32_t ph_len;
	u_int8_t ph_zero[3];
	u_int8_t ph_nxt;
	} ph;
	u_int16_t pa[20];
	} phu;

	/* pseudo-header */
	memset(&phu, 0, sizeof(phu));
	phu.ph.ph_src = ip6->ip6_src;
	phu.ph.ph_dst = ip6->ip6_dst;
	phu.ph.ph_len = htonl(len);
	phu.ph.ph_nxt = IPPROTO_UDP;

	sum = 0;
	for (i = 0; i < sizeof(phu.pa) / sizeof(phu.pa[0]); i++)
	sum += phu.pa[i];

	sp = (const u_int16_t *)up;

	for (i = 0; i < (len & ~1); i += 2)
	sum += *sp++;

	if (len & 1)
	sum += htons(((const u_int8_t )sp) << 8);

	while (sum > 0xffff)
	sum = (sum & 0xffff) + (sum >> 16);
	sum = ~sum & 0xffff;

	return (sum);
	}
	#endif

	static void
	udpipaddr_print(const struct ip *ip, int sport, int dport)
	{
	#ifdef INET6
	const struct ip6_hdr *ip6;

	if (IP_V(ip) == 6)
	ip6 = (const struct ip6_hdr *)ip;
	else
	ip6 = NULL;

	if (ip6) {
	if (ip6->ip6_nxt == IPPROTO_UDP) {
	if (sport == -1) {
	(void)printf("%s > %s: ",
	ip6addr_string(&ip6->ip6_src),
	ip6addr_string(&ip6->ip6_dst));
	} else {
	(void)printf("%s.%s > %s.%s: ",
	ip6addr_string(&ip6->ip6_src),
	udpport_string(sport),
	ip6addr_string(&ip6->ip6_dst),
	udpport_string(dport));
	}
	} else {
	if (sport != -1) {
	(void)printf("%s > %s: ",
	udpport_string(sport),
	udpport_string(dport));
	}
	}
	} else
	#endif /INET6/
	{
	if (ip->ip_p == IPPROTO_UDP) {
	if (sport == -1) {
	(void)printf("%s > %s: ",
	ipaddr_string(&ip->ip_src),
	ipaddr_string(&ip->ip_dst));
	} else {
	(void)printf("%s.%s > %s.%s: ",
	ipaddr_string(&ip->ip_src),
	udpport_string(sport),
	ipaddr_string(&ip->ip_dst),
	udpport_string(dport));
	}
	} else {
	if (sport != -1) {
	(void)printf("%s > %s: ",
	udpport_string(sport),
	udpport_string(dport));
	}
	}
	}
	}

	void
	udp_print(register const u_char *bp, u_int length,
	register const u_char *bp2, int fragmented)
	{
	register const struct udphdr *up;
	register const struct ip *ip;
	register const u_char *cp;
	register const u_char *ep = bp + length;
	u_int16_t sport, dport, ulen;
	#ifdef INET6
	register const struct ip6_hdr *ip6;
	#endif

	if (ep > snapend)
	ep = snapend;
	up = (struct udphdr *)bp;
	ip = (struct ip *)bp2;
	#ifdef INET6
	if (IP_V(ip) == 6)
	ip6 = (struct ip6_hdr *)bp2;
	else
	ip6 = NULL;
	#endif /INET6/
	cp = (u_char *)(up + 1);
	if (!TTEST(up->uh_dport)) {
	udpipaddr_print(ip, -1, -1);
	(void)printf("[\|udp]");
	return;
	}

	sport = EXTRACT_16BITS(&up->uh_sport);
	dport = EXTRACT_16BITS(&up->uh_dport);

	if (length < sizeof(struct udphdr)) {
	udpipaddr_print(ip, sport, dport);
	(void)printf("truncated-udp %d", length);
	return;
	}
	length -= sizeof(struct udphdr);

	if (cp > snapend) {
	udpipaddr_print(ip, sport, dport);
	(void)printf("[\|udp]");
	return;
	}

	ulen = EXTRACT_16BITS(&up->uh_ulen);
	if (ulen < 8) {
	udpipaddr_print(ip, sport, dport);
	(void)printf("truncated-udplength %d", ulen);
	return;
	}
	if (packettype) {
	register struct sunrpc_msg *rp;
	enum sunrpc_msg_type direction;

	switch (packettype) {

	case PT_VAT:
	udpipaddr_print(ip, sport, dport);
	vat_print((void *)(up + 1), up);
	break;

	case PT_WB:
	udpipaddr_print(ip, sport, dport);
	wb_print((void *)(up + 1), length);
	break;

	case PT_RPC:
	rp = (struct sunrpc_msg *)(up + 1);
	direction = (enum sunrpc_msg_type)EXTRACT_32BITS(&rp->rm_direction);
	if (direction == SUNRPC_CALL)
	sunrpcrequest_print((u_char *)rp, length,
	(u_char *)ip);
	else
	nfsreply_print((u_char *)rp, length,
	(u_char )ip); /XXX*/
	break;

	case PT_RTP:
	udpipaddr_print(ip, sport, dport);
	rtp_print((void *)(up + 1), length, up);
	break;

	case PT_RTCP:
	udpipaddr_print(ip, sport, dport);
	while (cp < ep)
	cp = rtcp_print(cp, ep);
	break;

	case PT_SNMP:
	udpipaddr_print(ip, sport, dport);
	snmp_print((const u_char *)(up + 1), length);
	break;

	case PT_CNFP:
	udpipaddr_print(ip, sport, dport);
	cnfp_print(cp, (const u_char *)ip);
	break;

	case PT_TFTP:
	udpipaddr_print(ip, sport, dport);
	tftp_print(cp, length);
	break;

	case PT_AODV:
	udpipaddr_print(ip, sport, dport);
	aodv_print((const u_char *)(up + 1), length,
	#ifdef INET6
	ip6 != NULL);
	#else
	0);
	#endif
	break;
	}
	return;
	}

	if (!qflag) {
	register struct sunrpc_msg *rp;
	enum sunrpc_msg_type direction;

	rp = (struct sunrpc_msg *)(up + 1);
	if (TTEST(rp->rm_direction)) {
	direction = (enum sunrpc_msg_type)EXTRACT_32BITS(&rp->rm_direction);
	if (dport == NFS_PORT && direction == SUNRPC_CALL) {
	nfsreq_print((u_char *)rp, length,
	(u_char *)ip);
	return;
	}
	if (sport == NFS_PORT && direction == SUNRPC_REPLY) {
	nfsreply_print((u_char *)rp, length,
	(u_char *)ip);
	return;
	}
	#ifdef notdef
	if (dport == SUNRPC_PORT && direction == SUNRPC_CALL) {
	sunrpcrequest_print((u_char )rp, length, (u_char )ip);
	return;
	}
	#endif
	}
	if (TTEST(((struct LAP *)cp)->type) &&
	((struct LAP *)cp)->type == lapDDP &&
	(atalk_port(sport) \|\| atalk_port(dport))) {
	if (vflag)
	fputs("kip ", stdout);
	llap_print(cp, length);
	return;
	}
	}
	udpipaddr_print(ip, sport, dport);

	if (IP_V(ip) == 4 && (vflag > 1) && !fragmented) {
	int sum = up->uh_sum;
	if (sum == 0) {
	(void)printf("[no cksum] ");
	} else if (TTEST2(cp[0], length)) {
	sum = udp_cksum(ip, up, length + sizeof(struct udphdr));
	if (sum != 0)
	(void)printf("[bad udp cksum %x!] ", sum);
	else
	(void)printf("[udp sum ok] ");
	}
	}
	#ifdef INET6
	if (IP_V(ip) == 6 && ip6->ip6_plen && vflag && !fragmented) {
	int sum = up->uh_sum;
	/* for IPv6, UDP checksum is mandatory */
	if (TTEST2(cp[0], length)) {
	sum = udp6_cksum(ip6, up, length + sizeof(struct udphdr));
	if (sum != 0)
	(void)printf("[bad udp cksum %x!] ", sum);
	else
	(void)printf("[udp sum ok] ");
	}
	}
	#endif

	if (!qflag) {
	#define ISPORT(p) (dport == (p) \|\| sport == (p))
	if (ISPORT(NAMESERVER_PORT))
	ns_print((const u_char *)(up + 1), length, 0);
	else if (ISPORT(MULTICASTDNS_PORT))
	ns_print((const u_char *)(up + 1), length, 1);
	else if (ISPORT(TIMED_PORT))
	timed_print((const u_char *)(up + 1));
	else if (ISPORT(TFTP_PORT))
	tftp_print((const u_char *)(up + 1), length);
	else if (ISPORT(IPPORT_BOOTPC) \|\| ISPORT(IPPORT_BOOTPS))
	bootp_print((const u_char *)(up + 1), length);
	else if (ISPORT(RIP_PORT))
	rip_print((const u_char *)(up + 1), length);
	else if (ISPORT(AODV_PORT))
	aodv_print((const u_char *)(up + 1), length,
	#ifdef INET6
	ip6 != NULL);
	#else
	0);
	#endif
	else if (ISPORT(ISAKMP_PORT))
	isakmp_print(gndo, (const u_char *)(up + 1), length, bp2);
	else if (ISPORT(ISAKMP_PORT_NATT))
	isakmp_rfc3948_print(gndo, (const u_char *)(up + 1), length, bp2);
	#if 1 /???/
	else if (ISPORT(ISAKMP_PORT_USER1) \|\| ISPORT(ISAKMP_PORT_USER2))
	isakmp_print(gndo, (const u_char *)(up + 1), length, bp2);
	#endif
	else if (ISPORT(SNMP_PORT) \|\| ISPORT(SNMPTRAP_PORT))
	snmp_print((const u_char *)(up + 1), length);
	else if (ISPORT(NTP_PORT))
	ntp_print((const u_char *)(up + 1), length);
	else if (ISPORT(KERBEROS_PORT) \|\| ISPORT(KERBEROS_SEC_PORT))
	krb_print((const void *)(up + 1));
	else if (ISPORT(L2TP_PORT))
	l2tp_print((const u_char *)(up + 1), length);
	#ifdef TCPDUMP_DO_SMB
	else if (ISPORT(NETBIOS_NS_PORT))
	nbt_udp137_print((const u_char *)(up + 1), length);
	else if (ISPORT(NETBIOS_DGRAM_PORT))
	nbt_udp138_print((const u_char *)(up + 1), length);
	#endif
	else if (dport == 3456)
	vat_print((const void *)(up + 1), up);
	else if (ISPORT(ZEPHYR_SRV_PORT) \|\| ISPORT(ZEPHYR_CLT_PORT))
	zephyr_print((const void *)(up + 1), length);
	/*
	* Since there are 10 possible ports to check, I think
	* a <> test would be more efficient
	*/
	else if ((sport >= RX_PORT_LOW && sport <= RX_PORT_HIGH) \|\|
	(dport >= RX_PORT_LOW && dport <= RX_PORT_HIGH))
	rx_print((const void *)(up + 1), length, sport, dport,
	(u_char *) ip);
	#ifdef INET6
	else if (ISPORT(RIPNG_PORT))
	ripng_print((const u_char *)(up + 1), length);
	else if (ISPORT(DHCP6_SERV_PORT) \|\| ISPORT(DHCP6_CLI_PORT)) {
	dhcp6_print((const u_char *)(up + 1), length);
	}
	#endif /INET6/
	/*
	* Kludge in test for whiteboard packets.
	*/
	else if (dport == 4567)
	wb_print((const void *)(up + 1), length);
	else if (ISPORT(CISCO_AUTORP_PORT))
	cisco_autorp_print((const void *)(up + 1), length);
	else if (ISPORT(RADIUS_PORT) \|\|
	ISPORT(RADIUS_NEW_PORT) \|\|
	ISPORT(RADIUS_ACCOUNTING_PORT) \|\|
	ISPORT(RADIUS_NEW_ACCOUNTING_PORT) )
	radius_print((const u_char *)(up+1), length);
	else if (dport == HSRP_PORT)
	hsrp_print((const u_char *)(up + 1), length);
	else if (ISPORT(LWRES_PORT))
	lwres_print((const u_char *)(up + 1), length);
	else if (ISPORT(LDP_PORT))
	ldp_print((const u_char *)(up + 1), length);
	else if (ISPORT(OLSR_PORT))
	olsr_print((const u_char *)(up + 1), length);
	else if (ISPORT(MPLS_LSP_PING_PORT))
	lspping_print((const u_char *)(up + 1), length);
	else if (dport == BFD_CONTROL_PORT \|\|
	dport == BFD_ECHO_PORT )
	bfd_print((const u_char *)(up+1), length, dport);
	else if (ISPORT(LMP_PORT))
	lmp_print((const u_char *)(up + 1), length);
	else if (ISPORT(SIP_PORT))
	sip_print((const u_char *)(up + 1), length);
	else if (ISPORT(SYSLOG_PORT))
	syslog_print((const u_char *)(up + 1), length);
	else
	(void)printf("UDP, length %u",
	(u_int32_t)(ulen - sizeof(*up)));
	#undef ISPORT
	} else
	(void)printf("UDP, length %u", (u_int32_t)(ulen - sizeof(*up)));
	}


	/*
	* Local Variables:
	* c-style: whitesmith
	* c-basic-offset: 8
	* End:
	*/