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add better handling for unknown LSAs to OSPF
[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[] =
24 "@(#) $Header: /tcpdump/master/tcpdump/print-udp.c,v 1.121 2003-09-12 22:05:57 guy Exp $ (LBL)";
25 #endif
26
27 #ifdef HAVE_CONFIG_H
28 #include "config.h"
29 #endif
30
31 #include <tcpdump-stdinc.h>
32
33 #ifdef SEGSIZE
34 #undef SEGSIZE
35 #endif
36 #include <arpa/tftp.h>
37
38 #include <rpc/rpc.h>
39
40 #include <stdio.h>
41 #include <string.h>
42
43 #include "interface.h"
44 #include "addrtoname.h"
45 #include "extract.h"
46 #include "appletalk.h"
47
48 #include "udp.h"
49
50 #include "ip.h"
51 #ifdef INET6
52 #include "ip6.h"
53 #endif
54 #include "ipproto.h"
55
56 #include "nameser.h"
57 #include "nfs.h"
58 #include "bootp.h"
59
60 struct rtcphdr {
61 u_int16_t rh_flags; /* T:2 P:1 CNT:5 PT:8 */
62 u_int16_t rh_len; /* length of message (in words) */
63 u_int32_t rh_ssrc; /* synchronization src id */
64 };
65
66 typedef struct {
67 u_int32_t upper; /* more significant 32 bits */
68 u_int32_t lower; /* less significant 32 bits */
69 } ntp64;
70
71 /*
72 * Sender report.
73 */
74 struct rtcp_sr {
75 ntp64 sr_ntp; /* 64-bit ntp timestamp */
76 u_int32_t sr_ts; /* reference media timestamp */
77 u_int32_t sr_np; /* no. packets sent */
78 u_int32_t sr_nb; /* no. bytes sent */
79 };
80
81 /*
82 * Receiver report.
83 * Time stamps are middle 32-bits of ntp timestamp.
84 */
85 struct rtcp_rr {
86 u_int32_t rr_srcid; /* sender being reported */
87 u_int32_t rr_nl; /* no. packets lost */
88 u_int32_t rr_ls; /* extended last seq number received */
89 u_int32_t rr_dv; /* jitter (delay variance) */
90 u_int32_t rr_lsr; /* orig. ts from last rr from this src */
91 u_int32_t rr_dlsr; /* time from recpt of last rr to xmit time */
92 };
93
94 /*XXX*/
95 #define RTCP_PT_SR 200
96 #define RTCP_PT_RR 201
97 #define RTCP_PT_SDES 202
98 #define RTCP_SDES_CNAME 1
99 #define RTCP_SDES_NAME 2
100 #define RTCP_SDES_EMAIL 3
101 #define RTCP_SDES_PHONE 4
102 #define RTCP_SDES_LOC 5
103 #define RTCP_SDES_TOOL 6
104 #define RTCP_SDES_NOTE 7
105 #define RTCP_SDES_PRIV 8
106 #define RTCP_PT_BYE 203
107 #define RTCP_PT_APP 204
108
109 static void
110 vat_print(const void *hdr, register const struct udphdr *up)
111 {
112 /* vat/vt audio */
113 u_int ts = *(u_int16_t *)hdr;
114 if ((ts & 0xf060) != 0) {
115 /* probably vt */
116 (void)printf("udp/vt %u %d / %d",
117 (u_int32_t)(EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up)),
118 ts & 0x3ff, ts >> 10);
119 } else {
120 /* probably vat */
121 u_int32_t i0 = EXTRACT_32BITS(&((u_int *)hdr)[0]);
122 u_int32_t i1 = EXTRACT_32BITS(&((u_int *)hdr)[1]);
123 printf("udp/vat %u c%d %u%s",
124 (u_int32_t)(EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up) - 8),
125 i0 & 0xffff,
126 i1, i0 & 0x800000? "*" : "");
127 /* audio format */
128 if (i0 & 0x1f0000)
129 printf(" f%d", (i0 >> 16) & 0x1f);
130 if (i0 & 0x3f000000)
131 printf(" s%d", (i0 >> 24) & 0x3f);
132 }
133 }
134
135 static void
136 rtp_print(const void *hdr, u_int len, register const struct udphdr *up)
137 {
138 /* rtp v1 or v2 */
139 u_int *ip = (u_int *)hdr;
140 u_int hasopt, hasext, contype, hasmarker;
141 u_int32_t i0 = EXTRACT_32BITS(&((u_int *)hdr)[0]);
142 u_int32_t i1 = EXTRACT_32BITS(&((u_int *)hdr)[1]);
143 u_int dlen = EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up) - 8;
144 const char * ptype;
145
146 ip += 2;
147 len >>= 2;
148 len -= 2;
149 hasopt = 0;
150 hasext = 0;
151 if ((i0 >> 30) == 1) {
152 /* rtp v1 */
153 hasopt = i0 & 0x800000;
154 contype = (i0 >> 16) & 0x3f;
155 hasmarker = i0 & 0x400000;
156 ptype = "rtpv1";
157 } else {
158 /* rtp v2 */
159 hasext = i0 & 0x10000000;
160 contype = (i0 >> 16) & 0x7f;
161 hasmarker = i0 & 0x800000;
162 dlen -= 4;
163 ptype = "rtp";
164 ip += 1;
165 len -= 1;
166 }
167 printf("udp/%s %d c%d %s%s %d %u",
168 ptype,
169 dlen,
170 contype,
171 (hasopt || hasext)? "+" : "",
172 hasmarker? "*" : "",
173 i0 & 0xffff,
174 i1);
175 if (vflag) {
176 printf(" %u", EXTRACT_32BITS(&((u_int *)hdr)[2]));
177 if (hasopt) {
178 u_int i2, optlen;
179 do {
180 i2 = ip[0];
181 optlen = (i2 >> 16) & 0xff;
182 if (optlen == 0 || optlen > len) {
183 printf(" !opt");
184 return;
185 }
186 ip += optlen;
187 len -= optlen;
188 } while ((int)i2 >= 0);
189 }
190 if (hasext) {
191 u_int i2, extlen;
192 i2 = ip[0];
193 extlen = (i2 & 0xffff) + 1;
194 if (extlen > len) {
195 printf(" !ext");
196 return;
197 }
198 ip += extlen;
199 }
200 if (contype == 0x1f) /*XXX H.261 */
201 printf(" 0x%04x", ip[0] >> 16);
202 }
203 }
204
205 static const u_char *
206 rtcp_print(const u_char *hdr, const u_char *ep)
207 {
208 /* rtp v2 control (rtcp) */
209 struct rtcp_rr *rr = 0;
210 struct rtcp_sr *sr;
211 struct rtcphdr *rh = (struct rtcphdr *)hdr;
212 u_int len;
213 u_int16_t flags;
214 int cnt;
215 double ts, dts;
216 if ((u_char *)(rh + 1) > ep) {
217 printf(" [|rtcp]");
218 return (ep);
219 }
220 len = (EXTRACT_16BITS(&rh->rh_len) + 1) * 4;
221 flags = EXTRACT_16BITS(&rh->rh_flags);
222 cnt = (flags >> 8) & 0x1f;
223 switch (flags & 0xff) {
224 case RTCP_PT_SR:
225 sr = (struct rtcp_sr *)(rh + 1);
226 printf(" sr");
227 if (len != cnt * sizeof(*rr) + sizeof(*sr) + sizeof(*rh))
228 printf(" [%d]", len);
229 if (vflag)
230 printf(" %u", EXTRACT_32BITS(&rh->rh_ssrc));
231 if ((u_char *)(sr + 1) > ep) {
232 printf(" [|rtcp]");
233 return (ep);
234 }
235 ts = (double)(EXTRACT_32BITS(&sr->sr_ntp.upper)) +
236 ((double)(EXTRACT_32BITS(&sr->sr_ntp.lower)) /
237 4294967296.0);
238 printf(" @%.2f %u %up %ub", ts, EXTRACT_32BITS(&sr->sr_ts),
239 EXTRACT_32BITS(&sr->sr_np), EXTRACT_32BITS(&sr->sr_nb));
240 rr = (struct rtcp_rr *)(sr + 1);
241 break;
242 case RTCP_PT_RR:
243 printf(" rr");
244 if (len != cnt * sizeof(*rr) + sizeof(*rh))
245 printf(" [%d]", len);
246 rr = (struct rtcp_rr *)(rh + 1);
247 if (vflag)
248 printf(" %u", EXTRACT_32BITS(&rh->rh_ssrc));
249 break;
250 case RTCP_PT_SDES:
251 printf(" sdes %d", len);
252 if (vflag)
253 printf(" %u", EXTRACT_32BITS(&rh->rh_ssrc));
254 cnt = 0;
255 break;
256 case RTCP_PT_BYE:
257 printf(" bye %d", len);
258 if (vflag)
259 printf(" %u", EXTRACT_32BITS(&rh->rh_ssrc));
260 cnt = 0;
261 break;
262 default:
263 printf(" type-0x%x %d", flags & 0xff, len);
264 cnt = 0;
265 break;
266 }
267 if (cnt > 1)
268 printf(" c%d", cnt);
269 while (--cnt >= 0) {
270 if ((u_char *)(rr + 1) > ep) {
271 printf(" [|rtcp]");
272 return (ep);
273 }
274 if (vflag)
275 printf(" %u", EXTRACT_32BITS(&rr->rr_srcid));
276 ts = (double)(EXTRACT_32BITS(&rr->rr_lsr)) / 65536.;
277 dts = (double)(EXTRACT_32BITS(&rr->rr_dlsr)) / 65536.;
278 printf(" %ul %us %uj @%.2f+%.2f",
279 EXTRACT_32BITS(&rr->rr_nl) & 0x00ffffff,
280 EXTRACT_32BITS(&rr->rr_ls),
281 EXTRACT_32BITS(&rr->rr_dv), ts, dts);
282 }
283 return (hdr + len);
284 }
285
286 static int udp_cksum(register const struct ip *ip,
287 register const struct udphdr *up,
288 register int len)
289 {
290 union phu {
291 struct phdr {
292 u_int32_t src;
293 u_int32_t dst;
294 u_char mbz;
295 u_char proto;
296 u_int16_t len;
297 } ph;
298 u_int16_t pa[6];
299 } phu;
300 register const u_int16_t *sp;
301
302 /* pseudo-header.. */
303 phu.ph.len = htons(len);
304 phu.ph.mbz = 0;
305 phu.ph.proto = IPPROTO_UDP;
306 memcpy(&phu.ph.src, &ip->ip_src.s_addr, sizeof(u_int32_t));
307 if (IP_HL(ip) == 5)
308 memcpy(&phu.ph.dst, &ip->ip_dst.s_addr, sizeof(u_int32_t));
309 else
310 phu.ph.dst = ip_finddst(ip);
311
312 sp = &phu.pa[0];
313 return in_cksum((u_short *)up, len,
314 sp[0]+sp[1]+sp[2]+sp[3]+sp[4]+sp[5]);
315 }
316
317 #ifdef INET6
318 static int udp6_cksum(const struct ip6_hdr *ip6, const struct udphdr *up,
319 int len)
320 {
321 int i, tlen;
322 register const u_int16_t *sp;
323 u_int32_t sum;
324 union {
325 struct {
326 struct in6_addr ph_src;
327 struct in6_addr ph_dst;
328 u_int32_t ph_len;
329 u_int8_t ph_zero[3];
330 u_int8_t ph_nxt;
331 } ph;
332 u_int16_t pa[20];
333 } phu;
334
335 tlen = EXTRACT_16BITS(&ip6->ip6_plen) + sizeof(struct ip6_hdr) -
336 ((const char *)up - (const char*)ip6);
337
338 /* pseudo-header */
339 memset(&phu, 0, sizeof(phu));
340 phu.ph.ph_src = ip6->ip6_src;
341 phu.ph.ph_dst = ip6->ip6_dst;
342 phu.ph.ph_len = htonl(tlen);
343 phu.ph.ph_nxt = IPPROTO_UDP;
344
345 sum = 0;
346 for (i = 0; i < sizeof(phu.pa) / sizeof(phu.pa[0]); i++)
347 sum += phu.pa[i];
348
349 sp = (const u_int16_t *)up;
350
351 for (i = 0; i < (tlen & ~1); i += 2)
352 sum += *sp++;
353
354 if (tlen & 1)
355 sum += htons((*(const u_int8_t *)sp) << 8);
356
357 while (sum > 0xffff)
358 sum = (sum & 0xffff) + (sum >> 16);
359 sum = ~sum & 0xffff;
360
361 return (sum);
362 }
363 #endif
364
365
366 /* XXX probably should use getservbyname() and cache answers */
367 #define TFTP_PORT 69 /*XXX*/
368 #define KERBEROS_PORT 88 /*XXX*/
369 #define SUNRPC_PORT 111 /*XXX*/
370 #define SNMP_PORT 161 /*XXX*/
371 #define NTP_PORT 123 /*XXX*/
372 #define SNMPTRAP_PORT 162 /*XXX*/
373 #define ISAKMP_PORT 500 /*XXX*/
374 #define TIMED_PORT 525 /*XXX*/
375 #define RIP_PORT 520 /*XXX*/
376 #define LDP_PORT 646
377 #define AODV_PORT 654 /*XXX*/
378 #define KERBEROS_SEC_PORT 750 /*XXX*/
379 #define L2TP_PORT 1701 /*XXX*/
380 #define ISAKMP_PORT_USER1 7500 /*XXX - nonstandard*/
381 #define ISAKMP_PORT_USER2 8500 /*XXX - nonstandard*/
382 #define RX_PORT_LOW 7000 /*XXX*/
383 #define RX_PORT_HIGH 7009 /*XXX*/
384 #define NETBIOS_NS_PORT 137
385 #define NETBIOS_DGRAM_PORT 138
386 #define CISCO_AUTORP_PORT 496 /*XXX*/
387 #define RADIUS_PORT 1645
388 #define RADIUS_NEW_PORT 1812
389 #define RADIUS_ACCOUNTING_PORT 1646
390 #define RADIUS_NEW_ACCOUNTING_PORT 1813
391 #define HSRP_PORT 1985 /*XXX*/
392 #define LWRES_PORT 921
393 #define ZEPHYR_SRV_PORT 2103
394 #define ZEPHYR_CLT_PORT 2104
395 #define MPLS_LSP_PING_PORT 3503 /* draft-ietf-mpls-lsp-ping-02.txt */
396
397 #ifdef INET6
398 #define RIPNG_PORT 521 /*XXX*/
399 #define DHCP6_SERV_PORT 546 /*XXX*/
400 #define DHCP6_CLI_PORT 547 /*XXX*/
401 #endif
402
403 static void
404 udpipaddr_print(const struct ip *ip, int sport, int dport)
405 {
406 #ifdef INET6
407 const struct ip6_hdr *ip6;
408
409 if (IP_V(ip) == 6)
410 ip6 = (const struct ip6_hdr *)ip;
411 else
412 ip6 = NULL;
413
414 if (ip6) {
415 if (ip6->ip6_nxt == IPPROTO_UDP) {
416 if (sport == -1) {
417 (void)printf("%s > %s: ",
418 ip6addr_string(&ip6->ip6_src),
419 ip6addr_string(&ip6->ip6_dst));
420 } else {
421 (void)printf("%s.%s > %s.%s: ",
422 ip6addr_string(&ip6->ip6_src),
423 udpport_string(sport),
424 ip6addr_string(&ip6->ip6_dst),
425 udpport_string(dport));
426 }
427 } else {
428 if (sport != -1) {
429 (void)printf("%s > %s: ",
430 udpport_string(sport),
431 udpport_string(dport));
432 }
433 }
434 } else
435 #endif /*INET6*/
436 {
437 if (ip->ip_p == IPPROTO_UDP) {
438 if (sport == -1) {
439 (void)printf("%s > %s: ",
440 ipaddr_string(&ip->ip_src),
441 ipaddr_string(&ip->ip_dst));
442 } else {
443 (void)printf("%s.%s > %s.%s: ",
444 ipaddr_string(&ip->ip_src),
445 udpport_string(sport),
446 ipaddr_string(&ip->ip_dst),
447 udpport_string(dport));
448 }
449 } else {
450 if (sport != -1) {
451 (void)printf("%s > %s: ",
452 udpport_string(sport),
453 udpport_string(dport));
454 }
455 }
456 }
457 }
458
459 void
460 udp_print(register const u_char *bp, u_int length,
461 register const u_char *bp2, int fragmented)
462 {
463 register const struct udphdr *up;
464 register const struct ip *ip;
465 register const u_char *cp;
466 register const u_char *ep = bp + length;
467 u_int16_t sport, dport, ulen;
468 #ifdef INET6
469 register const struct ip6_hdr *ip6;
470 #endif
471
472 if (ep > snapend)
473 ep = snapend;
474 up = (struct udphdr *)bp;
475 ip = (struct ip *)bp2;
476 #ifdef INET6
477 if (IP_V(ip) == 6)
478 ip6 = (struct ip6_hdr *)bp2;
479 else
480 ip6 = NULL;
481 #endif /*INET6*/
482 cp = (u_char *)(up + 1);
483 if (!TTEST(up->uh_dport)) {
484 udpipaddr_print(ip, -1, -1);
485 (void)printf("[|udp]");
486 return;
487 }
488
489 sport = EXTRACT_16BITS(&up->uh_sport);
490 dport = EXTRACT_16BITS(&up->uh_dport);
491
492 if (length < sizeof(struct udphdr)) {
493 udpipaddr_print(ip, sport, dport);
494 (void)printf("truncated-udp %d", length);
495 return;
496 }
497 length -= sizeof(struct udphdr);
498
499 if (cp > snapend) {
500 udpipaddr_print(ip, sport, dport);
501 (void)printf("[|udp]");
502 return;
503 }
504
505 ulen = EXTRACT_16BITS(&up->uh_ulen);
506 if (ulen < 8) {
507 udpipaddr_print(ip, sport, dport);
508 (void)printf("truncated-udplength %d", ulen);
509 return;
510 }
511 if (packettype) {
512 register struct rpc_msg *rp;
513 enum msg_type direction;
514
515 switch (packettype) {
516
517 case PT_VAT:
518 udpipaddr_print(ip, sport, dport);
519 vat_print((void *)(up + 1), up);
520 break;
521
522 case PT_WB:
523 udpipaddr_print(ip, sport, dport);
524 wb_print((void *)(up + 1), length);
525 break;
526
527 case PT_RPC:
528 rp = (struct rpc_msg *)(up + 1);
529 direction = (enum msg_type)EXTRACT_32BITS(&rp->rm_direction);
530 if (direction == CALL)
531 sunrpcrequest_print((u_char *)rp, length,
532 (u_char *)ip);
533 else
534 nfsreply_print((u_char *)rp, length,
535 (u_char *)ip); /*XXX*/
536 break;
537
538 case PT_RTP:
539 udpipaddr_print(ip, sport, dport);
540 rtp_print((void *)(up + 1), length, up);
541 break;
542
543 case PT_RTCP:
544 udpipaddr_print(ip, sport, dport);
545 while (cp < ep)
546 cp = rtcp_print(cp, ep);
547 break;
548
549 case PT_SNMP:
550 udpipaddr_print(ip, sport, dport);
551 snmp_print((const u_char *)(up + 1), length);
552 break;
553
554 case PT_CNFP:
555 udpipaddr_print(ip, sport, dport);
556 cnfp_print(cp, (const u_char *)ip);
557 break;
558
559 case PT_TFTP:
560 udpipaddr_print(ip, sport, dport);
561 tftp_print(cp, length);
562 break;
563
564 case PT_AODV:
565 udpipaddr_print(ip, sport, dport);
566 aodv_print((const u_char *)(up + 1), length,
567 #ifdef INET6
568 ip6 != NULL);
569 #else
570 FALSE);
571 #endif
572 break;
573 }
574 return;
575 }
576
577 if (!qflag) {
578 register struct rpc_msg *rp;
579 enum msg_type direction;
580
581 rp = (struct rpc_msg *)(up + 1);
582 if (TTEST(rp->rm_direction)) {
583 direction = (enum msg_type)EXTRACT_32BITS(&rp->rm_direction);
584 if (dport == NFS_PORT && direction == CALL) {
585 nfsreq_print((u_char *)rp, length,
586 (u_char *)ip);
587 return;
588 }
589 if (sport == NFS_PORT && direction == REPLY) {
590 nfsreply_print((u_char *)rp, length,
591 (u_char *)ip);
592 return;
593 }
594 #ifdef notdef
595 if (dport == SUNRPC_PORT && direction == CALL) {
596 sunrpcrequest_print((u_char *)rp, length, (u_char *)ip);
597 return;
598 }
599 #endif
600 }
601 if (TTEST(((struct LAP *)cp)->type) &&
602 ((struct LAP *)cp)->type == lapDDP &&
603 (atalk_port(sport) || atalk_port(dport))) {
604 if (vflag)
605 fputs("kip ", stdout);
606 llap_print(cp, length);
607 return;
608 }
609 }
610 udpipaddr_print(ip, sport, dport);
611
612 if (IP_V(ip) == 4 && vflag && !fragmented) {
613 int sum = up->uh_sum;
614 if (sum == 0) {
615 (void)printf("[no cksum] ");
616 } else if (TTEST2(cp[0], length)) {
617 sum = udp_cksum(ip, up, length + sizeof(struct udphdr));
618 if (sum != 0)
619 (void)printf("[bad udp cksum %x!] ", sum);
620 else
621 (void)printf("[udp sum ok] ");
622 }
623 }
624 #ifdef INET6
625 if (IP_V(ip) == 6 && ip6->ip6_plen && vflag && !fragmented) {
626 int sum = up->uh_sum;
627 /* for IPv6, UDP checksum is mandatory */
628 if (TTEST2(cp[0], length)) {
629 sum = udp6_cksum(ip6, up, length);
630 if (sum != 0)
631 (void)printf("[bad udp cksum %x!] ", sum);
632 else
633 (void)printf("[udp sum ok] ");
634 }
635 }
636 #endif
637
638 if (!qflag) {
639 #define ISPORT(p) (dport == (p) || sport == (p))
640 if (ISPORT(NAMESERVER_PORT) || ISPORT(MULTICASTDNS_PORT))
641 ns_print((const u_char *)(up + 1), length);
642 else if (ISPORT(TIMED_PORT))
643 timed_print((const u_char *)(up + 1));
644 else if (ISPORT(TFTP_PORT))
645 tftp_print((const u_char *)(up + 1), length);
646 else if (ISPORT(IPPORT_BOOTPC) || ISPORT(IPPORT_BOOTPS))
647 bootp_print((const u_char *)(up + 1), length);
648 else if (ISPORT(RIP_PORT))
649 rip_print((const u_char *)(up + 1), length);
650 else if (ISPORT(AODV_PORT))
651 aodv_print((const u_char *)(up + 1), length,
652 #ifdef INET6
653 ip6 != NULL);
654 #else
655 FALSE);
656 #endif
657 else if (ISPORT(ISAKMP_PORT))
658 isakmp_print((const u_char *)(up + 1), length, bp2);
659 #if 1 /*???*/
660 else if (ISPORT(ISAKMP_PORT_USER1) || ISPORT(ISAKMP_PORT_USER2))
661 isakmp_print((const u_char *)(up + 1), length, bp2);
662 #endif
663 else if (ISPORT(SNMP_PORT) || ISPORT(SNMPTRAP_PORT))
664 snmp_print((const u_char *)(up + 1), length);
665 else if (ISPORT(NTP_PORT))
666 ntp_print((const u_char *)(up + 1), length);
667 else if (ISPORT(KERBEROS_PORT) || ISPORT(KERBEROS_SEC_PORT))
668 krb_print((const void *)(up + 1));
669 else if (ISPORT(L2TP_PORT))
670 l2tp_print((const u_char *)(up + 1), length);
671 #ifdef TCPDUMP_DO_SMB
672 else if (ISPORT(NETBIOS_NS_PORT))
673 nbt_udp137_print((const u_char *)(up + 1), length);
674 else if (ISPORT(NETBIOS_DGRAM_PORT))
675 nbt_udp138_print((const u_char *)(up + 1), length);
676 #endif
677 else if (dport == 3456)
678 vat_print((const void *)(up + 1), up);
679 else if (ISPORT(ZEPHYR_SRV_PORT) || ISPORT(ZEPHYR_CLT_PORT))
680 zephyr_print((const void *)(up + 1), length);
681 /*
682 * Since there are 10 possible ports to check, I think
683 * a <> test would be more efficient
684 */
685 else if ((sport >= RX_PORT_LOW && sport <= RX_PORT_HIGH) ||
686 (dport >= RX_PORT_LOW && dport <= RX_PORT_HIGH))
687 rx_print((const void *)(up + 1), length, sport, dport,
688 (u_char *) ip);
689 #ifdef INET6
690 else if (ISPORT(RIPNG_PORT))
691 ripng_print((const u_char *)(up + 1), length);
692 else if (ISPORT(DHCP6_SERV_PORT) || ISPORT(DHCP6_CLI_PORT)) {
693 dhcp6_print((const u_char *)(up + 1), length,
694 sport, dport);
695 }
696 #endif /*INET6*/
697 /*
698 * Kludge in test for whiteboard packets.
699 */
700 else if (dport == 4567)
701 wb_print((const void *)(up + 1), length);
702 else if (ISPORT(CISCO_AUTORP_PORT))
703 cisco_autorp_print((const void *)(up + 1), length);
704 else if (ISPORT(RADIUS_PORT) ||
705 ISPORT(RADIUS_NEW_PORT) ||
706 ISPORT(RADIUS_ACCOUNTING_PORT) ||
707 ISPORT(RADIUS_NEW_ACCOUNTING_PORT) )
708 radius_print((const u_char *)(up+1), length);
709 else if (dport == HSRP_PORT)
710 hsrp_print((const u_char *)(up + 1), length);
711 else if (ISPORT(LWRES_PORT))
712 lwres_print((const u_char *)(up + 1), length);
713 else if (ISPORT(LDP_PORT))
714 ldp_print((const u_char *)(up + 1), length);
715 else if (ISPORT(MPLS_LSP_PING_PORT))
716 mpls_lsp_ping_print((const u_char *)(up + 1), length);
717 else
718 (void)printf("udp %u",
719 (u_int32_t)(ulen - sizeof(*up)));
720 #undef ISPORT
721 } else
722 (void)printf("udp %u", (u_int32_t)(ulen - sizeof(*up)));
723 }
[mirror] the TCPdump network dissector