nexmon – Rev 1
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/*
* 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.
*/
#define NETDISSECT_REWORKED
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <tcpdump-stdinc.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"
struct rtcphdr {
uint16_t rh_flags; /* T:2 P:1 CNT:5 PT:8 */
uint16_t rh_len; /* length of message (in words) */
uint32_t rh_ssrc; /* synchronization src id */
};
typedef struct {
uint32_t upper; /* more significant 32 bits */
uint32_t lower; /* less significant 32 bits */
} ntp64;
/*
* Sender report.
*/
struct rtcp_sr {
ntp64 sr_ntp; /* 64-bit ntp timestamp */
uint32_t sr_ts; /* reference media timestamp */
uint32_t sr_np; /* no. packets sent */
uint32_t sr_nb; /* no. bytes sent */
};
/*
* Receiver report.
* Time stamps are middle 32-bits of ntp timestamp.
*/
struct rtcp_rr {
uint32_t rr_srcid; /* sender being reported */
uint32_t rr_nl; /* no. packets lost */
uint32_t rr_ls; /* extended last seq number received */
uint32_t rr_dv; /* jitter (delay variance) */
uint32_t rr_lsr; /* orig. ts from last rr from this src */
uint32_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(netdissect_options *ndo, const void *hdr, register const struct udphdr *up)
{
/* vat/vt audio */
u_int ts = *(uint16_t *)hdr;
if ((ts & 0xf060) != 0) {
/* probably vt */
ND_PRINT((ndo, "udp/vt %u %d / %d",
(uint32_t)(EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up)),
ts & 0x3ff, ts >> 10));
} else {
/* probably vat */
uint32_t i0 = EXTRACT_32BITS(&((u_int *)hdr)[0]);
uint32_t i1 = EXTRACT_32BITS(&((u_int *)hdr)[1]);
ND_PRINT((ndo, "udp/vat %u c%d %u%s",
(uint32_t)(EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up) - 8),
i0 & 0xffff,
i1, i0 & 0x800000? "*" : ""));
/* audio format */
if (i0 & 0x1f0000)
ND_PRINT((ndo, " f%d", (i0 >> 16) & 0x1f));
if (i0 & 0x3f000000)
ND_PRINT((ndo, " s%d", (i0 >> 24) & 0x3f));
}
}
static void
rtp_print(netdissect_options *ndo, 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;
uint32_t i0 = EXTRACT_32BITS(&((u_int *)hdr)[0]);
uint32_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;
}
ND_PRINT((ndo, "udp/%s %d c%d %s%s %d %u",
ptype,
dlen,
contype,
(hasopt || hasext)? "+" : "",
hasmarker? "*" : "",
i0 & 0xffff,
i1));
if (ndo->ndo_vflag) {
ND_PRINT((ndo, " %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) {
ND_PRINT((ndo, " !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) {
ND_PRINT((ndo, " !ext"));
return;
}
ip += extlen;
}
if (contype == 0x1f) /*XXX H.261 */
ND_PRINT((ndo, " 0x%04x", ip[0] >> 16));
}
}
static const u_char *
rtcp_print(netdissect_options *ndo, 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;
uint16_t flags;
int cnt;
double ts, dts;
if ((u_char *)(rh + 1) > ep) {
ND_PRINT((ndo, " [|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);
ND_PRINT((ndo, " sr"));
if (len != cnt * sizeof(*rr) + sizeof(*sr) + sizeof(*rh))
ND_PRINT((ndo, " [%d]", len));
if (ndo->ndo_vflag)
ND_PRINT((ndo, " %u", EXTRACT_32BITS(&rh->rh_ssrc)));
if ((u_char *)(sr + 1) > ep) {
ND_PRINT((ndo, " [|rtcp]"));
return (ep);
}
ts = (double)(EXTRACT_32BITS(&sr->sr_ntp.upper)) +
((double)(EXTRACT_32BITS(&sr->sr_ntp.lower)) /
4294967296.0);
ND_PRINT((ndo, " @%.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:
ND_PRINT((ndo, " rr"));
if (len != cnt * sizeof(*rr) + sizeof(*rh))
ND_PRINT((ndo, " [%d]", len));
rr = (struct rtcp_rr *)(rh + 1);
if (ndo->ndo_vflag)
ND_PRINT((ndo, " %u", EXTRACT_32BITS(&rh->rh_ssrc)));
break;
case RTCP_PT_SDES:
ND_PRINT((ndo, " sdes %d", len));
if (ndo->ndo_vflag)
ND_PRINT((ndo, " %u", EXTRACT_32BITS(&rh->rh_ssrc)));
cnt = 0;
break;
case RTCP_PT_BYE:
ND_PRINT((ndo, " bye %d", len));
if (ndo->ndo_vflag)
ND_PRINT((ndo, " %u", EXTRACT_32BITS(&rh->rh_ssrc)));
cnt = 0;
break;
default:
ND_PRINT((ndo, " type-0x%x %d", flags & 0xff, len));
cnt = 0;
break;
}
if (cnt > 1)
ND_PRINT((ndo, " c%d", cnt));
while (--cnt >= 0) {
if ((u_char *)(rr + 1) > ep) {
ND_PRINT((ndo, " [|rtcp]"));
return (ep);
}
if (ndo->ndo_vflag)
ND_PRINT((ndo, " %u", EXTRACT_32BITS(&rr->rr_srcid)));
ts = (double)(EXTRACT_32BITS(&rr->rr_lsr)) / 65536.;
dts = (double)(EXTRACT_32BITS(&rr->rr_dlsr)) / 65536.;
ND_PRINT((ndo, " %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(netdissect_options *ndo, register const struct ip *ip,
register const struct udphdr *up,
register u_int len)
{
return nextproto4_cksum(ndo, ip, (const uint8_t *)(void *)up, len, len,
IPPROTO_UDP);
}
#ifdef INET6
static int udp6_cksum(const struct ip6_hdr *ip6, const struct udphdr *up,
u_int len)
{
return nextproto6_cksum(ip6, (const uint8_t *)(void *)up, len, len,
IPPROTO_UDP);
}
#endif
static void
udpipaddr_print(netdissect_options *ndo, 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) {
ND_PRINT((ndo, "%s > %s: ",
ip6addr_string(ndo, &ip6->ip6_src),
ip6addr_string(ndo, &ip6->ip6_dst)));
} else {
ND_PRINT((ndo, "%s.%s > %s.%s: ",
ip6addr_string(ndo, &ip6->ip6_src),
udpport_string(sport),
ip6addr_string(ndo, &ip6->ip6_dst),
udpport_string(dport)));
}
} else {
if (sport != -1) {
ND_PRINT((ndo, "%s > %s: ",
udpport_string(sport),
udpport_string(dport)));
}
}
} else
#endif /*INET6*/
{
if (ip->ip_p == IPPROTO_UDP) {
if (sport == -1) {
ND_PRINT((ndo, "%s > %s: ",
ipaddr_string(ndo, &ip->ip_src),
ipaddr_string(ndo, &ip->ip_dst)));
} else {
ND_PRINT((ndo, "%s.%s > %s.%s: ",
ipaddr_string(ndo, &ip->ip_src),
udpport_string(sport),
ipaddr_string(ndo, &ip->ip_dst),
udpport_string(dport)));
}
} else {
if (sport != -1) {
ND_PRINT((ndo, "%s > %s: ",
udpport_string(sport),
udpport_string(dport)));
}
}
}
}
void
udp_print(netdissect_options *ndo, 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;
uint16_t sport, dport, ulen;
#ifdef INET6
register const struct ip6_hdr *ip6;
#endif
if (ep > ndo->ndo_snapend)
ep = ndo->ndo_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*/
if (!ND_TTEST(up->uh_dport)) {
udpipaddr_print(ndo, ip, -1, -1);
ND_PRINT((ndo, "[|udp]"));
return;
}
sport = EXTRACT_16BITS(&up->uh_sport);
dport = EXTRACT_16BITS(&up->uh_dport);
if (length < sizeof(struct udphdr)) {
udpipaddr_print(ndo, ip, sport, dport);
ND_PRINT((ndo, "truncated-udp %d", length));
return;
}
ulen = EXTRACT_16BITS(&up->uh_ulen);
if (ulen < sizeof(struct udphdr)) {
udpipaddr_print(ndo, ip, sport, dport);
ND_PRINT((ndo, "truncated-udplength %d", ulen));
return;
}
ulen -= sizeof(struct udphdr);
length -= sizeof(struct udphdr);
if (ulen < length)
length = ulen;
cp = (u_char *)(up + 1);
if (cp > ndo->ndo_snapend) {
udpipaddr_print(ndo, ip, sport, dport);
ND_PRINT((ndo, "[|udp]"));
return;
}
if (ndo->ndo_packettype) {
register struct sunrpc_msg *rp;
enum sunrpc_msg_type direction;
switch (ndo->ndo_packettype) {
case PT_VAT:
udpipaddr_print(ndo, ip, sport, dport);
vat_print(ndo, (void *)(up + 1), up);
break;
case PT_WB:
udpipaddr_print(ndo, ip, sport, dport);
wb_print(ndo, (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(ndo, (u_char *)rp, length,
(u_char *)ip);
else
nfsreply_print(ndo, (u_char *)rp, length,
(u_char *)ip); /*XXX*/
break;
case PT_RTP:
udpipaddr_print(ndo, ip, sport, dport);
rtp_print(ndo, (void *)(up + 1), length, up);
break;
case PT_RTCP:
udpipaddr_print(ndo, ip, sport, dport);
while (cp < ep)
cp = rtcp_print(ndo, cp, ep);
break;
case PT_SNMP:
udpipaddr_print(ndo, ip, sport, dport);
snmp_print(ndo, (const u_char *)(up + 1), length);
break;
case PT_CNFP:
udpipaddr_print(ndo, ip, sport, dport);
cnfp_print(ndo, cp);
break;
case PT_TFTP:
udpipaddr_print(ndo, ip, sport, dport);
tftp_print(ndo, cp, length);
break;
case PT_AODV:
udpipaddr_print(ndo, ip, sport, dport);
aodv_print(ndo, (const u_char *)(up + 1), length,
#ifdef INET6
ip6 != NULL);
#else
0);
#endif
break;
case PT_RADIUS:
udpipaddr_print(ndo, ip, sport, dport);
radius_print(ndo, cp, length);
break;
case PT_VXLAN:
udpipaddr_print(ndo, ip, sport, dport);
vxlan_print(ndo, (const u_char *)(up + 1), length);
break;
case PT_PGM:
case PT_PGM_ZMTP1:
udpipaddr_print(ndo, ip, sport, dport);
pgm_print(ndo, cp, length, bp2);
break;
case PT_LMP:
udpipaddr_print(ndo, ip, sport, dport);
lmp_print(ndo, cp, length);
break;
}
return;
}
udpipaddr_print(ndo, ip, sport, dport);
if (!ndo->ndo_qflag) {
register struct sunrpc_msg *rp;
enum sunrpc_msg_type direction;
rp = (struct sunrpc_msg *)(up + 1);
if (ND_TTEST(rp->rm_direction)) {
direction = (enum sunrpc_msg_type)EXTRACT_32BITS(&rp->rm_direction);
if (dport == NFS_PORT && direction == SUNRPC_CALL) {
ND_PRINT((ndo, "NFS request xid %u ", EXTRACT_32BITS(&rp->rm_xid)));
nfsreq_print_noaddr(ndo, (u_char *)rp, length,
(u_char *)ip);
return;
}
if (sport == NFS_PORT && direction == SUNRPC_REPLY) {
ND_PRINT((ndo, "NFS reply xid %u ", EXTRACT_32BITS(&rp->rm_xid)));
nfsreply_print_noaddr(ndo, (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 (ND_TTEST(((struct LAP *)cp)->type) &&
((struct LAP *)cp)->type == lapDDP &&
(atalk_port(sport) || atalk_port(dport))) {
if (ndo->ndo_vflag)
ND_PRINT((ndo, "kip "));
llap_print(ndo, cp, length);
return;
}
}
if (ndo->ndo_vflag && !ndo->ndo_Kflag && !fragmented) {
/* Check the checksum, if possible. */
uint16_t sum, udp_sum;
/*
* XXX - do this even if vflag == 1?
* TCP does, and we do so for UDP-over-IPv6.
*/
if (IP_V(ip) == 4 && (ndo->ndo_vflag > 1)) {
udp_sum = EXTRACT_16BITS(&up->uh_sum);
if (udp_sum == 0) {
ND_PRINT((ndo, "[no cksum] "));
} else if (ND_TTEST2(cp[0], length)) {
sum = udp_cksum(ndo, ip, up, length + sizeof(struct udphdr));
if (sum != 0) {
ND_PRINT((ndo, "[bad udp cksum 0x%04x -> 0x%04x!] ",
udp_sum,
in_cksum_shouldbe(udp_sum, sum)));
} else
ND_PRINT((ndo, "[udp sum ok] "));
}
}
#ifdef INET6
else if (IP_V(ip) == 6 && ip6->ip6_plen) {
/* for IPv6, UDP checksum is mandatory */
if (ND_TTEST2(cp[0], length)) {
sum = udp6_cksum(ip6, up, length + sizeof(struct udphdr));
udp_sum = EXTRACT_16BITS(&up->uh_sum);
if (sum != 0) {
ND_PRINT((ndo, "[bad udp cksum 0x%04x -> 0x%04x!] ",
udp_sum,
in_cksum_shouldbe(udp_sum, sum)));
} else
ND_PRINT((ndo, "[udp sum ok] "));
}
}
#endif
}
if (!ndo->ndo_qflag) {
#define ISPORT(p) (dport == (p) || sport == (p))
if (ISPORT(NAMESERVER_PORT))
ns_print(ndo, (const u_char *)(up + 1), length, 0);
else if (ISPORT(MULTICASTDNS_PORT))
ns_print(ndo, (const u_char *)(up + 1), length, 1);
else if (ISPORT(TIMED_PORT))
timed_print(ndo, (const u_char *)(up + 1));
else if (ISPORT(TFTP_PORT))
tftp_print(ndo, (const u_char *)(up + 1), length);
else if (ISPORT(BOOTPC_PORT) || ISPORT(BOOTPS_PORT))
bootp_print(ndo, (const u_char *)(up + 1), length);
else if (ISPORT(RIP_PORT))
rip_print(ndo, (const u_char *)(up + 1), length);
else if (ISPORT(AODV_PORT))
aodv_print(ndo, (const u_char *)(up + 1), length,
#ifdef INET6
ip6 != NULL);
#else
0);
#endif
else if (ISPORT(ISAKMP_PORT))
isakmp_print(ndo, (const u_char *)(up + 1), length, bp2);
else if (ISPORT(ISAKMP_PORT_NATT))
isakmp_rfc3948_print(ndo, (const u_char *)(up + 1), length, bp2);
#if 1 /*???*/
else if (ISPORT(ISAKMP_PORT_USER1) || ISPORT(ISAKMP_PORT_USER2))
isakmp_print(ndo, (const u_char *)(up + 1), length, bp2);
#endif
else if (ISPORT(SNMP_PORT) || ISPORT(SNMPTRAP_PORT))
snmp_print(ndo, (const u_char *)(up + 1), length);
else if (ISPORT(NTP_PORT))
ntp_print(ndo, (const u_char *)(up + 1), length);
else if (ISPORT(KERBEROS_PORT) || ISPORT(KERBEROS_SEC_PORT))
krb_print(ndo, (const void *)(up + 1));
else if (ISPORT(L2TP_PORT))
l2tp_print(ndo, (const u_char *)(up + 1), length);
#ifdef TCPDUMP_DO_SMB
else if (ISPORT(NETBIOS_NS_PORT))
nbt_udp137_print(ndo, (const u_char *)(up + 1), length);
else if (ISPORT(NETBIOS_DGRAM_PORT))
nbt_udp138_print(ndo, (const u_char *)(up + 1), length);
#endif
else if (dport == VAT_PORT)
vat_print(ndo, (const void *)(up + 1), up);
else if (ISPORT(ZEPHYR_SRV_PORT) || ISPORT(ZEPHYR_CLT_PORT))
zephyr_print(ndo, (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(ndo, (const void *)(up + 1), length, sport, dport,
(u_char *) ip);
#ifdef INET6
else if (ISPORT(RIPNG_PORT))
ripng_print(ndo, (const u_char *)(up + 1), length);
else if (ISPORT(DHCP6_SERV_PORT) || ISPORT(DHCP6_CLI_PORT))
dhcp6_print(ndo, (const u_char *)(up + 1), length);
else if (ISPORT(AHCP_PORT))
ahcp_print(ndo, (const u_char *)(up + 1), length);
else if (ISPORT(BABEL_PORT) || ISPORT(BABEL_PORT_OLD))
babel_print(ndo, (const u_char *)(up + 1), length);
#endif /*INET6*/
/*
* Kludge in test for whiteboard packets.
*/
else if (dport == WB_PORT)
wb_print(ndo, (const void *)(up + 1), length);
else if (ISPORT(CISCO_AUTORP_PORT))
cisco_autorp_print(ndo, (const void *)(up + 1), length);
else if (ISPORT(RADIUS_PORT) ||
ISPORT(RADIUS_NEW_PORT) ||
ISPORT(RADIUS_ACCOUNTING_PORT) ||
ISPORT(RADIUS_NEW_ACCOUNTING_PORT) ||
ISPORT(RADIUS_COA_PORT) )
radius_print(ndo, (const u_char *)(up+1), length);
else if (dport == HSRP_PORT)
hsrp_print(ndo, (const u_char *)(up + 1), length);
else if (ISPORT(LWRES_PORT))
lwres_print(ndo, (const u_char *)(up + 1), length);
else if (ISPORT(LDP_PORT))
ldp_print(ndo, (const u_char *)(up + 1), length);
else if (ISPORT(OLSR_PORT))
olsr_print(ndo, (const u_char *)(up + 1), length,
#if INET6
(IP_V(ip) == 6) ? 1 : 0);
#else
0);
#endif
else if (ISPORT(MPLS_LSP_PING_PORT))
lspping_print(ndo, (const u_char *)(up + 1), length);
else if (dport == BFD_CONTROL_PORT ||
dport == BFD_ECHO_PORT )
bfd_print(ndo, (const u_char *)(up+1), length, dport);
else if (ISPORT(LMP_PORT))
lmp_print(ndo, (const u_char *)(up + 1), length);
else if (ISPORT(VQP_PORT))
vqp_print(ndo, (const u_char *)(up + 1), length);
else if (ISPORT(SFLOW_PORT))
sflow_print(ndo, (const u_char *)(up + 1), length);
else if (dport == LWAPP_CONTROL_PORT)
lwapp_control_print(ndo, (const u_char *)(up + 1), length, 1);
else if (sport == LWAPP_CONTROL_PORT)
lwapp_control_print(ndo, (const u_char *)(up + 1), length, 0);
else if (ISPORT(LWAPP_DATA_PORT))
lwapp_data_print(ndo, (const u_char *)(up + 1), length);
else if (ISPORT(SIP_PORT))
sip_print(ndo, (const u_char *)(up + 1), length);
else if (ISPORT(SYSLOG_PORT))
syslog_print(ndo, (const u_char *)(up + 1), length);
else if (ISPORT(OTV_PORT))
otv_print(ndo, (const u_char *)(up + 1), length);
else if (ISPORT(VXLAN_PORT))
vxlan_print(ndo, (const u_char *)(up + 1), length);
else if (ISPORT(GENEVE_PORT))
geneve_print(ndo, (const u_char *)(up + 1), length);
else {
if (ulen > length)
ND_PRINT((ndo, "UDP, bad length %u > %u",
ulen, length));
else
ND_PRINT((ndo, "UDP, length %u", ulen));
}
#undef ISPORT
} else {
if (ulen > length)
ND_PRINT((ndo, "UDP, bad length %u > %u",
ulen, length));
else
ND_PRINT((ndo, "UDP, length %u", ulen));
}
}
/*
* Local Variables:
* c-style: whitesmith
* c-basic-offset: 8
* End:
*/