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