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Functions in libnetdissect must use ndo_error() function
[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 #ifdef HAVE_CONFIG_H
23 #include "config.h"
24 #endif
25
26 #include <tcpdump-stdinc.h>
27
28 #include "interface.h"
29 #include "addrtoname.h"
30 #include "extract.h"
31 #include "appletalk.h"
32
33 #include "udp.h"
34
35 #include "ip.h"
36 #ifdef INET6
37 #include "ip6.h"
38 #endif
39 #include "ipproto.h"
40 #include "rpc_auth.h"
41 #include "rpc_msg.h"
42
43 #include "nfs.h"
44
45 struct rtcphdr {
46 uint16_t rh_flags; /* T:2 P:1 CNT:5 PT:8 */
47 uint16_t rh_len; /* length of message (in words) */
48 uint32_t rh_ssrc; /* synchronization src id */
49 };
50
51 typedef struct {
52 uint32_t upper; /* more significant 32 bits */
53 uint32_t lower; /* less significant 32 bits */
54 } ntp64;
55
56 /*
57 * Sender report.
58 */
59 struct rtcp_sr {
60 ntp64 sr_ntp; /* 64-bit ntp timestamp */
61 uint32_t sr_ts; /* reference media timestamp */
62 uint32_t sr_np; /* no. packets sent */
63 uint32_t sr_nb; /* no. bytes sent */
64 };
65
66 /*
67 * Receiver report.
68 * Time stamps are middle 32-bits of ntp timestamp.
69 */
70 struct rtcp_rr {
71 uint32_t rr_srcid; /* sender being reported */
72 uint32_t rr_nl; /* no. packets lost */
73 uint32_t rr_ls; /* extended last seq number received */
74 uint32_t rr_dv; /* jitter (delay variance) */
75 uint32_t rr_lsr; /* orig. ts from last rr from this src */
76 uint32_t rr_dlsr; /* time from recpt of last rr to xmit time */
77 };
78
79 /*XXX*/
80 #define RTCP_PT_SR 200
81 #define RTCP_PT_RR 201
82 #define RTCP_PT_SDES 202
83 #define RTCP_SDES_CNAME 1
84 #define RTCP_SDES_NAME 2
85 #define RTCP_SDES_EMAIL 3
86 #define RTCP_SDES_PHONE 4
87 #define RTCP_SDES_LOC 5
88 #define RTCP_SDES_TOOL 6
89 #define RTCP_SDES_NOTE 7
90 #define RTCP_SDES_PRIV 8
91 #define RTCP_PT_BYE 203
92 #define RTCP_PT_APP 204
93
94 static void
95 vat_print(netdissect_options *ndo, const void *hdr, register const struct udphdr *up)
96 {
97 /* vat/vt audio */
98 u_int ts = EXTRACT_16BITS(hdr);
99 if ((ts & 0xf060) != 0) {
100 /* probably vt */
101 ND_PRINT((ndo, "udp/vt %u %d / %d",
102 (uint32_t)(EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up)),
103 ts & 0x3ff, ts >> 10));
104 } else {
105 /* probably vat */
106 uint32_t i0 = EXTRACT_32BITS(&((const u_int *)hdr)[0]);
107 uint32_t i1 = EXTRACT_32BITS(&((const u_int *)hdr)[1]);
108 ND_PRINT((ndo, "udp/vat %u c%d %u%s",
109 (uint32_t)(EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up) - 8),
110 i0 & 0xffff,
111 i1, i0 & 0x800000? "*" : ""));
112 /* audio format */
113 if (i0 & 0x1f0000)
114 ND_PRINT((ndo, " f%d", (i0 >> 16) & 0x1f));
115 if (i0 & 0x3f000000)
116 ND_PRINT((ndo, " s%d", (i0 >> 24) & 0x3f));
117 }
118 }
119
120 static void
121 rtp_print(netdissect_options *ndo, const void *hdr, u_int len,
122 register const struct udphdr *up)
123 {
124 /* rtp v1 or v2 */
125 const u_int *ip = (const u_int *)hdr;
126 u_int hasopt, hasext, contype, hasmarker;
127 uint32_t i0 = EXTRACT_32BITS(&((const u_int *)hdr)[0]);
128 uint32_t i1 = EXTRACT_32BITS(&((const u_int *)hdr)[1]);
129 u_int dlen = EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up) - 8;
130 const char * ptype;
131
132 ip += 2;
133 len >>= 2;
134 len -= 2;
135 hasopt = 0;
136 hasext = 0;
137 if ((i0 >> 30) == 1) {
138 /* rtp v1 */
139 hasopt = i0 & 0x800000;
140 contype = (i0 >> 16) & 0x3f;
141 hasmarker = i0 & 0x400000;
142 ptype = "rtpv1";
143 } else {
144 /* rtp v2 */
145 hasext = i0 & 0x10000000;
146 contype = (i0 >> 16) & 0x7f;
147 hasmarker = i0 & 0x800000;
148 dlen -= 4;
149 ptype = "rtp";
150 ip += 1;
151 len -= 1;
152 }
153 ND_PRINT((ndo, "udp/%s %d c%d %s%s %d %u",
154 ptype,
155 dlen,
156 contype,
157 (hasopt || hasext)? "+" : "",
158 hasmarker? "*" : "",
159 i0 & 0xffff,
160 i1));
161 if (ndo->ndo_vflag) {
162 ND_PRINT((ndo, " %u", EXTRACT_32BITS(&((const u_int *)hdr)[2])));
163 if (hasopt) {
164 u_int i2, optlen;
165 do {
166 i2 = ip[0];
167 optlen = (i2 >> 16) & 0xff;
168 if (optlen == 0 || optlen > len) {
169 ND_PRINT((ndo, " !opt"));
170 return;
171 }
172 ip += optlen;
173 len -= optlen;
174 } while ((int)i2 >= 0);
175 }
176 if (hasext) {
177 u_int i2, extlen;
178 i2 = ip[0];
179 extlen = (i2 & 0xffff) + 1;
180 if (extlen > len) {
181 ND_PRINT((ndo, " !ext"));
182 return;
183 }
184 ip += extlen;
185 }
186 if (contype == 0x1f) /*XXX H.261 */
187 ND_PRINT((ndo, " 0x%04x", ip[0] >> 16));
188 }
189 }
190
191 static const u_char *
192 rtcp_print(netdissect_options *ndo, const u_char *hdr, const u_char *ep)
193 {
194 /* rtp v2 control (rtcp) */
195 const struct rtcp_rr *rr = 0;
196 const struct rtcp_sr *sr;
197 const struct rtcphdr *rh = (const struct rtcphdr *)hdr;
198 u_int len;
199 uint16_t flags;
200 int cnt;
201 double ts, dts;
202 if ((const u_char *)(rh + 1) > ep) {
203 ND_PRINT((ndo, " [|rtcp]"));
204 return (ep);
205 }
206 len = (EXTRACT_16BITS(&rh->rh_len) + 1) * 4;
207 flags = EXTRACT_16BITS(&rh->rh_flags);
208 cnt = (flags >> 8) & 0x1f;
209 switch (flags & 0xff) {
210 case RTCP_PT_SR:
211 sr = (const struct rtcp_sr *)(rh + 1);
212 ND_PRINT((ndo, " sr"));
213 if (len != cnt * sizeof(*rr) + sizeof(*sr) + sizeof(*rh))
214 ND_PRINT((ndo, " [%d]", len));
215 if (ndo->ndo_vflag)
216 ND_PRINT((ndo, " %u", EXTRACT_32BITS(&rh->rh_ssrc)));
217 if ((const u_char *)(sr + 1) > ep) {
218 ND_PRINT((ndo, " [|rtcp]"));
219 return (ep);
220 }
221 ts = (double)(EXTRACT_32BITS(&sr->sr_ntp.upper)) +
222 ((double)(EXTRACT_32BITS(&sr->sr_ntp.lower)) /
223 4294967296.0);
224 ND_PRINT((ndo, " @%.2f %u %up %ub", ts, EXTRACT_32BITS(&sr->sr_ts),
225 EXTRACT_32BITS(&sr->sr_np), EXTRACT_32BITS(&sr->sr_nb)));
226 rr = (const struct rtcp_rr *)(sr + 1);
227 break;
228 case RTCP_PT_RR:
229 ND_PRINT((ndo, " rr"));
230 if (len != cnt * sizeof(*rr) + sizeof(*rh))
231 ND_PRINT((ndo, " [%d]", len));
232 rr = (const struct rtcp_rr *)(rh + 1);
233 if (ndo->ndo_vflag)
234 ND_PRINT((ndo, " %u", EXTRACT_32BITS(&rh->rh_ssrc)));
235 break;
236 case RTCP_PT_SDES:
237 ND_PRINT((ndo, " sdes %d", len));
238 if (ndo->ndo_vflag)
239 ND_PRINT((ndo, " %u", EXTRACT_32BITS(&rh->rh_ssrc)));
240 cnt = 0;
241 break;
242 case RTCP_PT_BYE:
243 ND_PRINT((ndo, " bye %d", len));
244 if (ndo->ndo_vflag)
245 ND_PRINT((ndo, " %u", EXTRACT_32BITS(&rh->rh_ssrc)));
246 cnt = 0;
247 break;
248 default:
249 ND_PRINT((ndo, " type-0x%x %d", flags & 0xff, len));
250 cnt = 0;
251 break;
252 }
253 if (cnt > 1)
254 ND_PRINT((ndo, " c%d", cnt));
255 while (--cnt >= 0) {
256 if ((const u_char *)(rr + 1) > ep) {
257 ND_PRINT((ndo, " [|rtcp]"));
258 return (ep);
259 }
260 if (ndo->ndo_vflag)
261 ND_PRINT((ndo, " %u", EXTRACT_32BITS(&rr->rr_srcid)));
262 ts = (double)(EXTRACT_32BITS(&rr->rr_lsr)) / 65536.;
263 dts = (double)(EXTRACT_32BITS(&rr->rr_dlsr)) / 65536.;
264 ND_PRINT((ndo, " %ul %us %uj @%.2f+%.2f",
265 EXTRACT_32BITS(&rr->rr_nl) & 0x00ffffff,
266 EXTRACT_32BITS(&rr->rr_ls),
267 EXTRACT_32BITS(&rr->rr_dv), ts, dts));
268 }
269 return (hdr + len);
270 }
271
272 static int udp_cksum(netdissect_options *ndo, register const struct ip *ip,
273 register const struct udphdr *up,
274 register u_int len)
275 {
276 return nextproto4_cksum(ndo, ip, (const uint8_t *)(const void *)up, len, len,
277 IPPROTO_UDP);
278 }
279
280 #ifdef INET6
281 static int udp6_cksum(const struct ip6_hdr *ip6, const struct udphdr *up,
282 u_int len)
283 {
284 return nextproto6_cksum(ip6, (const uint8_t *)(const void *)up, len, len,
285 IPPROTO_UDP);
286 }
287 #endif
288
289 static void
290 udpipaddr_print(netdissect_options *ndo, const struct ip *ip, int sport, int dport)
291 {
292 #ifdef INET6
293 const struct ip6_hdr *ip6;
294
295 if (IP_V(ip) == 6)
296 ip6 = (const struct ip6_hdr *)ip;
297 else
298 ip6 = NULL;
299
300 if (ip6) {
301 if (ip6->ip6_nxt == IPPROTO_UDP) {
302 if (sport == -1) {
303 ND_PRINT((ndo, "%s > %s: ",
304 ip6addr_string(ndo, &ip6->ip6_src),
305 ip6addr_string(ndo, &ip6->ip6_dst)));
306 } else {
307 ND_PRINT((ndo, "%s.%s > %s.%s: ",
308 ip6addr_string(ndo, &ip6->ip6_src),
309 udpport_string(ndo, sport),
310 ip6addr_string(ndo, &ip6->ip6_dst),
311 udpport_string(ndo, dport)));
312 }
313 } else {
314 if (sport != -1) {
315 ND_PRINT((ndo, "%s > %s: ",
316 udpport_string(ndo, sport),
317 udpport_string(ndo, dport)));
318 }
319 }
320 } else
321 #endif /*INET6*/
322 {
323 if (ip->ip_p == IPPROTO_UDP) {
324 if (sport == -1) {
325 ND_PRINT((ndo, "%s > %s: ",
326 ipaddr_string(ndo, &ip->ip_src),
327 ipaddr_string(ndo, &ip->ip_dst)));
328 } else {
329 ND_PRINT((ndo, "%s.%s > %s.%s: ",
330 ipaddr_string(ndo, &ip->ip_src),
331 udpport_string(ndo, sport),
332 ipaddr_string(ndo, &ip->ip_dst),
333 udpport_string(ndo, dport)));
334 }
335 } else {
336 if (sport != -1) {
337 ND_PRINT((ndo, "%s > %s: ",
338 udpport_string(ndo, sport),
339 udpport_string(ndo, dport)));
340 }
341 }
342 }
343 }
344
345 void
346 udp_print(netdissect_options *ndo, register const u_char *bp, u_int length,
347 register const u_char *bp2, int fragmented)
348 {
349 register const struct udphdr *up;
350 register const struct ip *ip;
351 register const u_char *cp;
352 register const u_char *ep = bp + length;
353 uint16_t sport, dport, ulen;
354 #ifdef INET6
355 register const struct ip6_hdr *ip6;
356 #endif
357
358 if (ep > ndo->ndo_snapend)
359 ep = ndo->ndo_snapend;
360 up = (const struct udphdr *)bp;
361 ip = (const struct ip *)bp2;
362 #ifdef INET6
363 if (IP_V(ip) == 6)
364 ip6 = (const struct ip6_hdr *)bp2;
365 else
366 ip6 = NULL;
367 #endif /*INET6*/
368 if (!ND_TTEST(up->uh_dport)) {
369 udpipaddr_print(ndo, ip, -1, -1);
370 ND_PRINT((ndo, "[|udp]"));
371 return;
372 }
373
374 sport = EXTRACT_16BITS(&up->uh_sport);
375 dport = EXTRACT_16BITS(&up->uh_dport);
376
377 if (length < sizeof(struct udphdr)) {
378 udpipaddr_print(ndo, ip, sport, dport);
379 ND_PRINT((ndo, "truncated-udp %d", length));
380 return;
381 }
382 ulen = EXTRACT_16BITS(&up->uh_ulen);
383 if (ulen < sizeof(struct udphdr)) {
384 udpipaddr_print(ndo, ip, sport, dport);
385 ND_PRINT((ndo, "truncated-udplength %d", ulen));
386 return;
387 }
388 ulen -= sizeof(struct udphdr);
389 length -= sizeof(struct udphdr);
390 if (ulen < length)
391 length = ulen;
392
393 cp = (const u_char *)(up + 1);
394 if (cp > ndo->ndo_snapend) {
395 udpipaddr_print(ndo, ip, sport, dport);
396 ND_PRINT((ndo, "[|udp]"));
397 return;
398 }
399
400 if (ndo->ndo_packettype) {
401 register const struct sunrpc_msg *rp;
402 enum sunrpc_msg_type direction;
403
404 switch (ndo->ndo_packettype) {
405
406 case PT_VAT:
407 udpipaddr_print(ndo, ip, sport, dport);
408 vat_print(ndo, (const void *)(up + 1), up);
409 break;
410
411 case PT_WB:
412 udpipaddr_print(ndo, ip, sport, dport);
413 wb_print(ndo, (const void *)(up + 1), length);
414 break;
415
416 case PT_RPC:
417 rp = (const struct sunrpc_msg *)(up + 1);
418 direction = (enum sunrpc_msg_type)EXTRACT_32BITS(&rp->rm_direction);
419 if (direction == SUNRPC_CALL)
420 sunrpcrequest_print(ndo, (const u_char *)rp, length,
421 (const u_char *)ip);
422 else
423 nfsreply_print(ndo, (const u_char *)rp, length,
424 (const u_char *)ip); /*XXX*/
425 break;
426
427 case PT_RTP:
428 udpipaddr_print(ndo, ip, sport, dport);
429 rtp_print(ndo, (const void *)(up + 1), length, up);
430 break;
431
432 case PT_RTCP:
433 udpipaddr_print(ndo, ip, sport, dport);
434 while (cp < ep)
435 cp = rtcp_print(ndo, cp, ep);
436 break;
437
438 case PT_SNMP:
439 udpipaddr_print(ndo, ip, sport, dport);
440 snmp_print(ndo, (const u_char *)(up + 1), length);
441 break;
442
443 case PT_CNFP:
444 udpipaddr_print(ndo, ip, sport, dport);
445 cnfp_print(ndo, cp);
446 break;
447
448 case PT_TFTP:
449 udpipaddr_print(ndo, ip, sport, dport);
450 tftp_print(ndo, cp, length);
451 break;
452
453 case PT_AODV:
454 udpipaddr_print(ndo, ip, sport, dport);
455 aodv_print(ndo, (const u_char *)(up + 1), length,
456 #ifdef INET6
457 ip6 != NULL);
458 #else
459 0);
460 #endif
461 break;
462
463 case PT_RADIUS:
464 udpipaddr_print(ndo, ip, sport, dport);
465 radius_print(ndo, cp, length);
466 break;
467
468 case PT_VXLAN:
469 udpipaddr_print(ndo, ip, sport, dport);
470 vxlan_print(ndo, (const u_char *)(up + 1), length);
471 break;
472
473 case PT_PGM:
474 case PT_PGM_ZMTP1:
475 udpipaddr_print(ndo, ip, sport, dport);
476 pgm_print(ndo, cp, length, bp2);
477 break;
478 case PT_LMP:
479 udpipaddr_print(ndo, ip, sport, dport);
480 lmp_print(ndo, cp, length);
481 break;
482 }
483 return;
484 }
485
486 udpipaddr_print(ndo, ip, sport, dport);
487 if (!ndo->ndo_qflag) {
488 register const struct sunrpc_msg *rp;
489 enum sunrpc_msg_type direction;
490
491 rp = (const struct sunrpc_msg *)(up + 1);
492 if (ND_TTEST(rp->rm_direction)) {
493 direction = (enum sunrpc_msg_type)EXTRACT_32BITS(&rp->rm_direction);
494 if (dport == NFS_PORT && direction == SUNRPC_CALL) {
495 ND_PRINT((ndo, "NFS request xid %u ", EXTRACT_32BITS(&rp->rm_xid)));
496 nfsreq_print_noaddr(ndo, (const u_char *)rp, length,
497 (const u_char *)ip);
498 return;
499 }
500 if (sport == NFS_PORT && direction == SUNRPC_REPLY) {
501 ND_PRINT((ndo, "NFS reply xid %u ", EXTRACT_32BITS(&rp->rm_xid)));
502 nfsreply_print_noaddr(ndo, (const u_char *)rp, length,
503 (const u_char *)ip);
504 return;
505 }
506 #ifdef notdef
507 if (dport == SUNRPC_PORT && direction == SUNRPC_CALL) {
508 sunrpcrequest_print((const u_char *)rp, length, (const u_char *)ip);
509 return;
510 }
511 #endif
512 }
513 if (ND_TTEST(((const struct LAP *)cp)->type) &&
514 ((const struct LAP *)cp)->type == lapDDP &&
515 (atalk_port(sport) || atalk_port(dport))) {
516 if (ndo->ndo_vflag)
517 ND_PRINT((ndo, "kip "));
518 llap_print(ndo, cp, length);
519 return;
520 }
521 }
522
523 if (ndo->ndo_vflag && !ndo->ndo_Kflag && !fragmented) {
524 /* Check the checksum, if possible. */
525 uint16_t sum, udp_sum;
526
527 /*
528 * XXX - do this even if vflag == 1?
529 * TCP does, and we do so for UDP-over-IPv6.
530 */
531 if (IP_V(ip) == 4 && (ndo->ndo_vflag > 1)) {
532 udp_sum = EXTRACT_16BITS(&up->uh_sum);
533 if (udp_sum == 0) {
534 ND_PRINT((ndo, "[no cksum] "));
535 } else if (ND_TTEST2(cp[0], length)) {
536 sum = udp_cksum(ndo, ip, up, length + sizeof(struct udphdr));
537
538 if (sum != 0) {
539 ND_PRINT((ndo, "[bad udp cksum 0x%04x -> 0x%04x!] ",
540 udp_sum,
541 in_cksum_shouldbe(udp_sum, sum)));
542 } else
543 ND_PRINT((ndo, "[udp sum ok] "));
544 }
545 }
546 #ifdef INET6
547 else if (IP_V(ip) == 6 && ip6->ip6_plen) {
548 /* for IPv6, UDP checksum is mandatory */
549 if (ND_TTEST2(cp[0], length)) {
550 sum = udp6_cksum(ip6, up, length + sizeof(struct udphdr));
551 udp_sum = EXTRACT_16BITS(&up->uh_sum);
552
553 if (sum != 0) {
554 ND_PRINT((ndo, "[bad udp cksum 0x%04x -> 0x%04x!] ",
555 udp_sum,
556 in_cksum_shouldbe(udp_sum, sum)));
557 } else
558 ND_PRINT((ndo, "[udp sum ok] "));
559 }
560 }
561 #endif
562 }
563
564 if (!ndo->ndo_qflag) {
565 #define ISPORT(p) (dport == (p) || sport == (p))
566 if (ISPORT(NAMESERVER_PORT))
567 ns_print(ndo, (const u_char *)(up + 1), length, 0);
568 else if (ISPORT(MULTICASTDNS_PORT))
569 ns_print(ndo, (const u_char *)(up + 1), length, 1);
570 else if (ISPORT(TIMED_PORT))
571 timed_print(ndo, (const u_char *)(up + 1));
572 else if (ISPORT(TFTP_PORT))
573 tftp_print(ndo, (const u_char *)(up + 1), length);
574 else if (ISPORT(BOOTPC_PORT) || ISPORT(BOOTPS_PORT))
575 bootp_print(ndo, (const u_char *)(up + 1), length);
576 else if (ISPORT(RIP_PORT))
577 rip_print(ndo, (const u_char *)(up + 1), length);
578 else if (ISPORT(AODV_PORT))
579 aodv_print(ndo, (const u_char *)(up + 1), length,
580 #ifdef INET6
581 ip6 != NULL);
582 #else
583 0);
584 #endif
585 else if (ISPORT(ISAKMP_PORT))
586 isakmp_print(ndo, (const u_char *)(up + 1), length, bp2);
587 else if (ISPORT(ISAKMP_PORT_NATT))
588 isakmp_rfc3948_print(ndo, (const u_char *)(up + 1), length, bp2);
589 #if 1 /*???*/
590 else if (ISPORT(ISAKMP_PORT_USER1) || ISPORT(ISAKMP_PORT_USER2))
591 isakmp_print(ndo, (const u_char *)(up + 1), length, bp2);
592 #endif
593 else if (ISPORT(SNMP_PORT) || ISPORT(SNMPTRAP_PORT))
594 snmp_print(ndo, (const u_char *)(up + 1), length);
595 else if (ISPORT(NTP_PORT))
596 ntp_print(ndo, (const u_char *)(up + 1), length);
597 else if (ISPORT(KERBEROS_PORT) || ISPORT(KERBEROS_SEC_PORT))
598 krb_print(ndo, (const void *)(up + 1));
599 else if (ISPORT(L2TP_PORT))
600 l2tp_print(ndo, (const u_char *)(up + 1), length);
601 #ifdef TCPDUMP_DO_SMB
602 else if (ISPORT(NETBIOS_NS_PORT))
603 nbt_udp137_print(ndo, (const u_char *)(up + 1), length);
604 else if (ISPORT(NETBIOS_DGRAM_PORT))
605 nbt_udp138_print(ndo, (const u_char *)(up + 1), length);
606 #endif
607 else if (dport == VAT_PORT)
608 vat_print(ndo, (const void *)(up + 1), up);
609 else if (ISPORT(ZEPHYR_SRV_PORT) || ISPORT(ZEPHYR_CLT_PORT))
610 zephyr_print(ndo, (const void *)(up + 1), length);
611 /*
612 * Since there are 10 possible ports to check, I think
613 * a <> test would be more efficient
614 */
615 else if ((sport >= RX_PORT_LOW && sport <= RX_PORT_HIGH) ||
616 (dport >= RX_PORT_LOW && dport <= RX_PORT_HIGH))
617 rx_print(ndo, (const void *)(up + 1), length, sport, dport,
618 (const u_char *) ip);
619 #ifdef INET6
620 else if (ISPORT(RIPNG_PORT))
621 ripng_print(ndo, (const u_char *)(up + 1), length);
622 else if (ISPORT(DHCP6_SERV_PORT) || ISPORT(DHCP6_CLI_PORT))
623 dhcp6_print(ndo, (const u_char *)(up + 1), length);
624 else if (ISPORT(AHCP_PORT))
625 ahcp_print(ndo, (const u_char *)(up + 1), length);
626 else if (ISPORT(BABEL_PORT) || ISPORT(BABEL_PORT_OLD))
627 babel_print(ndo, (const u_char *)(up + 1), length);
628 #endif /*INET6*/
629 /*
630 * Kludge in test for whiteboard packets.
631 */
632 else if (dport == WB_PORT)
633 wb_print(ndo, (const void *)(up + 1), length);
634 else if (ISPORT(CISCO_AUTORP_PORT))
635 cisco_autorp_print(ndo, (const void *)(up + 1), length);
636 else if (ISPORT(RADIUS_PORT) ||
637 ISPORT(RADIUS_NEW_PORT) ||
638 ISPORT(RADIUS_ACCOUNTING_PORT) ||
639 ISPORT(RADIUS_NEW_ACCOUNTING_PORT) ||
640 ISPORT(RADIUS_COA_PORT) )
641 radius_print(ndo, (const u_char *)(up+1), length);
642 else if (dport == HSRP_PORT)
643 hsrp_print(ndo, (const u_char *)(up + 1), length);
644 else if (ISPORT(LWRES_PORT))
645 lwres_print(ndo, (const u_char *)(up + 1), length);
646 else if (ISPORT(LDP_PORT))
647 ldp_print(ndo, (const u_char *)(up + 1), length);
648 else if (ISPORT(OLSR_PORT))
649 olsr_print(ndo, (const u_char *)(up + 1), length,
650 #if INET6
651 (IP_V(ip) == 6) ? 1 : 0);
652 #else
653 0);
654 #endif
655 else if (ISPORT(MPLS_LSP_PING_PORT))
656 lspping_print(ndo, (const u_char *)(up + 1), length);
657 else if (dport == BFD_CONTROL_PORT ||
658 dport == BFD_ECHO_PORT )
659 bfd_print(ndo, (const u_char *)(up+1), length, dport);
660 else if (ISPORT(LMP_PORT))
661 lmp_print(ndo, (const u_char *)(up + 1), length);
662 else if (ISPORT(VQP_PORT))
663 vqp_print(ndo, (const u_char *)(up + 1), length);
664 else if (ISPORT(SFLOW_PORT))
665 sflow_print(ndo, (const u_char *)(up + 1), length);
666 else if (dport == LWAPP_CONTROL_PORT)
667 lwapp_control_print(ndo, (const u_char *)(up + 1), length, 1);
668 else if (sport == LWAPP_CONTROL_PORT)
669 lwapp_control_print(ndo, (const u_char *)(up + 1), length, 0);
670 else if (ISPORT(LWAPP_DATA_PORT))
671 lwapp_data_print(ndo, (const u_char *)(up + 1), length);
672 else if (ISPORT(SIP_PORT))
673 sip_print(ndo, (const u_char *)(up + 1), length);
674 else if (ISPORT(SYSLOG_PORT))
675 syslog_print(ndo, (const u_char *)(up + 1), length);
676 else if (ISPORT(OTV_PORT))
677 otv_print(ndo, (const u_char *)(up + 1), length);
678 else if (ISPORT(VXLAN_PORT))
679 vxlan_print(ndo, (const u_char *)(up + 1), length);
680 else if (ISPORT(GENEVE_PORT))
681 geneve_print(ndo, (const u_char *)(up + 1), length);
682 else {
683 if (ulen > length)
684 ND_PRINT((ndo, "UDP, bad length %u > %u",
685 ulen, length));
686 else
687 ND_PRINT((ndo, "UDP, length %u", ulen));
688 }
689 #undef ISPORT
690 } else {
691 if (ulen > length)
692 ND_PRINT((ndo, "UDP, bad length %u > %u",
693 ulen, length));
694 else
695 ND_PRINT((ndo, "UDP, length %u", ulen));
696 }
697 }
698
699
700 /*
701 * Local Variables:
702 * c-style: whitesmith
703 * c-basic-offset: 8
704 * End:
705 */
706
[mirror] the TCPdump network dissector