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More nd_ification of structures.
[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 /* \summary: UDP printer */
23
24 #ifdef HAVE_CONFIG_H
25 #include "config.h"
26 #endif
27
28 #include <netdissect-stdinc.h>
29
30 #include "netdissect.h"
31 #include "addrtoname.h"
32 #include "extract.h"
33 #include "appletalk.h"
34
35 #include "udp.h"
36
37 #include "ip.h"
38 #include "ip6.h"
39 #include "ipproto.h"
40 #include "rpc_auth.h"
41 #include "rpc_msg.h"
42
43 #include "nfs.h"
44
45 static const char vat_tstr[] = " [|vat]";
46 static const char rtp_tstr[] = " [|rtp]";
47 static const char rtcp_tstr[] = " [|rtcp]";
48 static const char udp_tstr[] = " [|udp]";
49
50 struct rtcphdr {
51 nd_uint16_t rh_flags; /* T:2 P:1 CNT:5 PT:8 */
52 nd_uint16_t rh_len; /* length of message (in words) */
53 nd_uint32_t rh_ssrc; /* synchronization src id */
54 };
55
56 typedef struct {
57 nd_uint32_t upper; /* more significant 32 bits */
58 nd_uint32_t lower; /* less significant 32 bits */
59 } ntp64;
60
61 /*
62 * Sender report.
63 */
64 struct rtcp_sr {
65 ntp64 sr_ntp; /* 64-bit ntp timestamp */
66 nd_uint32_t sr_ts; /* reference media timestamp */
67 nd_uint32_t sr_np; /* no. packets sent */
68 nd_uint32_t sr_nb; /* no. bytes sent */
69 };
70
71 /*
72 * Receiver report.
73 * Time stamps are middle 32-bits of ntp timestamp.
74 */
75 struct rtcp_rr {
76 nd_uint32_t rr_srcid; /* sender being reported */
77 nd_uint32_t rr_nl; /* no. packets lost */
78 nd_uint32_t rr_ls; /* extended last seq number received */
79 nd_uint32_t rr_dv; /* jitter (delay variance) */
80 nd_uint32_t rr_lsr; /* orig. ts from last rr from this src */
81 nd_uint32_t rr_dlsr; /* time from recpt of last rr to xmit time */
82 };
83
84 /*XXX*/
85 #define RTCP_PT_SR 200
86 #define RTCP_PT_RR 201
87 #define RTCP_PT_SDES 202
88 #define RTCP_SDES_CNAME 1
89 #define RTCP_SDES_NAME 2
90 #define RTCP_SDES_EMAIL 3
91 #define RTCP_SDES_PHONE 4
92 #define RTCP_SDES_LOC 5
93 #define RTCP_SDES_TOOL 6
94 #define RTCP_SDES_NOTE 7
95 #define RTCP_SDES_PRIV 8
96 #define RTCP_PT_BYE 203
97 #define RTCP_PT_APP 204
98
99 static void
100 vat_print(netdissect_options *ndo, const void *hdr, register const struct udphdr *up)
101 {
102 /* vat/vt audio */
103 u_int ts;
104
105 ND_TCHECK_2((const u_int *)hdr);
106 ts = EXTRACT_BE_U_2(hdr);
107 if ((ts & 0xf060) != 0) {
108 /* probably vt */
109 ND_TCHECK_2(up->uh_ulen);
110 ND_PRINT((ndo, "udp/vt %u %d / %d",
111 (uint32_t)(EXTRACT_BE_U_2(up->uh_ulen) - sizeof(*up)),
112 ts & 0x3ff, ts >> 10));
113 } else {
114 /* probably vat */
115 uint32_t i0, i1;
116
117 ND_TCHECK_4(&((const u_int *)hdr)[0]);
118 i0 = EXTRACT_BE_U_4(&((const u_int *)hdr)[0]);
119 ND_TCHECK_4(&((const u_int *)hdr)[1]);
120 i1 = EXTRACT_BE_U_4(&((const u_int *)hdr)[1]);
121 ND_TCHECK_2(up->uh_ulen);
122 ND_PRINT((ndo, "udp/vat %u c%d %u%s",
123 (uint32_t)(EXTRACT_BE_U_2(up->uh_ulen) - sizeof(*up) - 8),
124 i0 & 0xffff,
125 i1, i0 & 0x800000? "*" : ""));
126 /* audio format */
127 if (i0 & 0x1f0000)
128 ND_PRINT((ndo, " f%d", (i0 >> 16) & 0x1f));
129 if (i0 & 0x3f000000)
130 ND_PRINT((ndo, " s%d", (i0 >> 24) & 0x3f));
131 }
132
133 trunc:
134 ND_PRINT((ndo, "%s", vat_tstr));
135 }
136
137 static void
138 rtp_print(netdissect_options *ndo, const void *hdr, u_int len,
139 register const struct udphdr *up)
140 {
141 /* rtp v1 or v2 */
142 const u_int *ip = (const u_int *)hdr;
143 u_int hasopt, hasext, contype, hasmarker, dlen;
144 uint32_t i0, i1;
145 const char * ptype;
146
147 ND_TCHECK_4(&((const u_int *)hdr)[0]);
148 i0 = EXTRACT_BE_U_4(&((const u_int *)hdr)[0]);
149 ND_TCHECK_4(&((const u_int *)hdr)[1]);
150 i1 = EXTRACT_BE_U_4(&((const u_int *)hdr)[1]);
151 ND_TCHECK_2(up->uh_ulen);
152 dlen = EXTRACT_BE_U_2(up->uh_ulen) - sizeof(*up) - 8;
153 ip += 2;
154 len >>= 2;
155 len -= 2;
156 hasopt = 0;
157 hasext = 0;
158 if ((i0 >> 30) == 1) {
159 /* rtp v1 - draft-ietf-avt-rtp-04 */
160 hasopt = i0 & 0x800000;
161 contype = (i0 >> 16) & 0x3f;
162 hasmarker = i0 & 0x400000;
163 ptype = "rtpv1";
164 } else {
165 /* rtp v2 - RFC 3550 */
166 hasext = i0 & 0x10000000;
167 contype = (i0 >> 16) & 0x7f;
168 hasmarker = i0 & 0x800000;
169 dlen -= 4;
170 ptype = "rtp";
171 ip += 1;
172 len -= 1;
173 }
174 ND_PRINT((ndo, "udp/%s %d c%d %s%s %d %u",
175 ptype,
176 dlen,
177 contype,
178 (hasopt || hasext)? "+" : "",
179 hasmarker? "*" : "",
180 i0 & 0xffff,
181 i1));
182 if (ndo->ndo_vflag) {
183 ND_TCHECK_4(&((const u_int *)hdr)[2]);
184 ND_PRINT((ndo, " %u", EXTRACT_BE_U_4(&((const u_int *)hdr)[2])));
185 if (hasopt) {
186 u_int i2, optlen;
187 do {
188 ND_TCHECK_4(ip);
189 i2 = EXTRACT_BE_U_4(ip);
190 optlen = (i2 >> 16) & 0xff;
191 if (optlen == 0 || optlen > len) {
192 ND_PRINT((ndo, " !opt"));
193 return;
194 }
195 ip += optlen;
196 len -= optlen;
197 } while ((int)i2 >= 0);
198 }
199 if (hasext) {
200 u_int i2, extlen;
201 ND_TCHECK_4(ip);
202 i2 = EXTRACT_BE_U_4(ip);
203 extlen = (i2 & 0xffff) + 1;
204 if (extlen > len) {
205 ND_PRINT((ndo, " !ext"));
206 return;
207 }
208 ip += extlen;
209 }
210 ND_TCHECK_4(ip);
211 if (contype == 0x1f) /*XXX H.261 */
212 ND_PRINT((ndo, " 0x%04x", EXTRACT_BE_U_4(ip) >> 16));
213 }
214
215 trunc:
216 ND_PRINT((ndo, "%s", rtp_tstr));
217 }
218
219 static const u_char *
220 rtcp_print(netdissect_options *ndo, const u_char *hdr, const u_char *ep)
221 {
222 /* rtp v2 control (rtcp) */
223 const struct rtcp_rr *rr = 0;
224 const struct rtcp_sr *sr;
225 const struct rtcphdr *rh = (const struct rtcphdr *)hdr;
226 u_int len;
227 uint16_t flags;
228 int cnt;
229 double ts, dts;
230 if ((const u_char *)(rh + 1) > ep)
231 goto trunc;
232 ND_TCHECK(*rh);
233 len = (EXTRACT_BE_U_2(rh->rh_len) + 1) * 4;
234 flags = EXTRACT_BE_U_2(rh->rh_flags);
235 cnt = (flags >> 8) & 0x1f;
236 switch (flags & 0xff) {
237 case RTCP_PT_SR:
238 sr = (const struct rtcp_sr *)(rh + 1);
239 ND_PRINT((ndo, " sr"));
240 if (len != cnt * sizeof(*rr) + sizeof(*sr) + sizeof(*rh))
241 ND_PRINT((ndo, " [%d]", len));
242 if (ndo->ndo_vflag)
243 ND_PRINT((ndo, " %u", EXTRACT_BE_U_4(rh->rh_ssrc)));
244 if ((const u_char *)(sr + 1) > ep)
245 goto trunc;
246 ND_TCHECK(*sr);
247 ts = (double)(EXTRACT_BE_U_4(sr->sr_ntp.upper)) +
248 ((double)(EXTRACT_BE_U_4(sr->sr_ntp.lower)) /
249 4294967296.0);
250 ND_PRINT((ndo, " @%.2f %u %up %ub", ts, EXTRACT_BE_U_4(sr->sr_ts),
251 EXTRACT_BE_U_4(sr->sr_np), EXTRACT_BE_U_4(sr->sr_nb)));
252 rr = (const struct rtcp_rr *)(sr + 1);
253 break;
254 case RTCP_PT_RR:
255 ND_PRINT((ndo, " rr"));
256 if (len != cnt * sizeof(*rr) + sizeof(*rh))
257 ND_PRINT((ndo, " [%d]", len));
258 rr = (const struct rtcp_rr *)(rh + 1);
259 if (ndo->ndo_vflag)
260 ND_PRINT((ndo, " %u", EXTRACT_BE_U_4(rh->rh_ssrc)));
261 break;
262 case RTCP_PT_SDES:
263 ND_PRINT((ndo, " sdes %d", len));
264 if (ndo->ndo_vflag)
265 ND_PRINT((ndo, " %u", EXTRACT_BE_U_4(rh->rh_ssrc)));
266 cnt = 0;
267 break;
268 case RTCP_PT_BYE:
269 ND_PRINT((ndo, " bye %d", len));
270 if (ndo->ndo_vflag)
271 ND_PRINT((ndo, " %u", EXTRACT_BE_U_4(rh->rh_ssrc)));
272 cnt = 0;
273 break;
274 default:
275 ND_PRINT((ndo, " type-0x%x %d", flags & 0xff, len));
276 cnt = 0;
277 break;
278 }
279 if (cnt > 1)
280 ND_PRINT((ndo, " c%d", cnt));
281 while (--cnt >= 0) {
282 if ((const u_char *)(rr + 1) > ep)
283 goto trunc;
284 ND_TCHECK(*rr);
285 if (ndo->ndo_vflag)
286 ND_PRINT((ndo, " %u", EXTRACT_BE_U_4(rr->rr_srcid)));
287 ts = (double)(EXTRACT_BE_U_4(rr->rr_lsr)) / 65536.;
288 dts = (double)(EXTRACT_BE_U_4(rr->rr_dlsr)) / 65536.;
289 ND_PRINT((ndo, " %ul %us %uj @%.2f+%.2f",
290 EXTRACT_BE_U_4(rr->rr_nl) & 0x00ffffff,
291 EXTRACT_BE_U_4(rr->rr_ls),
292 EXTRACT_BE_U_4(rr->rr_dv), ts, dts));
293 }
294 return (hdr + len);
295
296 trunc:
297 ND_PRINT((ndo, "%s", rtcp_tstr));
298 return ep;
299 }
300
301 static int udp_cksum(netdissect_options *ndo, register const struct ip *ip,
302 register const struct udphdr *up,
303 register u_int len)
304 {
305 return nextproto4_cksum(ndo, ip, (const uint8_t *)(const void *)up, len, len,
306 IPPROTO_UDP);
307 }
308
309 static int udp6_cksum(netdissect_options *ndo, const struct ip6_hdr *ip6,
310 const struct udphdr *up, u_int len)
311 {
312 return nextproto6_cksum(ndo, ip6, (const uint8_t *)(const void *)up, len, len,
313 IPPROTO_UDP);
314 }
315
316 static void
317 udpipaddr_print(netdissect_options *ndo, const struct ip *ip, int sport, int dport)
318 {
319 const struct ip6_hdr *ip6;
320
321 if (IP_V(ip) == 6)
322 ip6 = (const struct ip6_hdr *)ip;
323 else
324 ip6 = NULL;
325
326 if (ip6) {
327 if (ip6->ip6_nxt == IPPROTO_UDP) {
328 if (sport == -1) {
329 ND_PRINT((ndo, "%s > %s: ",
330 ip6addr_string(ndo, &ip6->ip6_src),
331 ip6addr_string(ndo, &ip6->ip6_dst)));
332 } else {
333 ND_PRINT((ndo, "%s.%s > %s.%s: ",
334 ip6addr_string(ndo, &ip6->ip6_src),
335 udpport_string(ndo, sport),
336 ip6addr_string(ndo, &ip6->ip6_dst),
337 udpport_string(ndo, dport)));
338 }
339 } else {
340 if (sport != -1) {
341 ND_PRINT((ndo, "%s > %s: ",
342 udpport_string(ndo, sport),
343 udpport_string(ndo, dport)));
344 }
345 }
346 } else {
347 if (EXTRACT_U_1(ip->ip_p) == IPPROTO_UDP) {
348 if (sport == -1) {
349 ND_PRINT((ndo, "%s > %s: ",
350 ipaddr_string(ndo, &ip->ip_src),
351 ipaddr_string(ndo, &ip->ip_dst)));
352 } else {
353 ND_PRINT((ndo, "%s.%s > %s.%s: ",
354 ipaddr_string(ndo, &ip->ip_src),
355 udpport_string(ndo, sport),
356 ipaddr_string(ndo, &ip->ip_dst),
357 udpport_string(ndo, dport)));
358 }
359 } else {
360 if (sport != -1) {
361 ND_PRINT((ndo, "%s > %s: ",
362 udpport_string(ndo, sport),
363 udpport_string(ndo, dport)));
364 }
365 }
366 }
367 }
368
369 void
370 udp_print(netdissect_options *ndo, register const u_char *bp, u_int length,
371 register const u_char *bp2, int fragmented)
372 {
373 register const struct udphdr *up;
374 register const struct ip *ip;
375 register const u_char *cp;
376 register const u_char *ep = bp + length;
377 uint16_t sport, dport, ulen;
378 register const struct ip6_hdr *ip6;
379
380 if (ep > ndo->ndo_snapend)
381 ep = ndo->ndo_snapend;
382 up = (const struct udphdr *)bp;
383 ip = (const struct ip *)bp2;
384 if (IP_V(ip) == 6)
385 ip6 = (const struct ip6_hdr *)bp2;
386 else
387 ip6 = NULL;
388 if (!ND_TTEST(up->uh_dport)) {
389 udpipaddr_print(ndo, ip, -1, -1);
390 goto trunc;
391 }
392
393 sport = EXTRACT_BE_U_2(up->uh_sport);
394 dport = EXTRACT_BE_U_2(up->uh_dport);
395
396 if (length < sizeof(struct udphdr)) {
397 udpipaddr_print(ndo, ip, sport, dport);
398 ND_PRINT((ndo, "truncated-udp %d", length));
399 return;
400 }
401 if (!ND_TTEST(up->uh_ulen)) {
402 udpipaddr_print(ndo, ip, sport, dport);
403 goto trunc;
404 }
405 ulen = EXTRACT_BE_U_2(up->uh_ulen);
406 if (ulen < sizeof(struct udphdr)) {
407 udpipaddr_print(ndo, ip, sport, dport);
408 ND_PRINT((ndo, "truncated-udplength %d", ulen));
409 return;
410 }
411 ulen -= sizeof(struct udphdr);
412 length -= sizeof(struct udphdr);
413 if (ulen < length)
414 length = ulen;
415
416 cp = (const u_char *)(up + 1);
417 if (cp > ndo->ndo_snapend) {
418 udpipaddr_print(ndo, ip, sport, dport);
419 goto trunc;
420 }
421
422 if (ndo->ndo_packettype) {
423 register const struct sunrpc_msg *rp;
424 enum sunrpc_msg_type direction;
425
426 switch (ndo->ndo_packettype) {
427
428 case PT_VAT:
429 udpipaddr_print(ndo, ip, sport, dport);
430 vat_print(ndo, (const void *)(up + 1), up);
431 break;
432
433 case PT_WB:
434 udpipaddr_print(ndo, ip, sport, dport);
435 wb_print(ndo, (const void *)(up + 1), length);
436 break;
437
438 case PT_RPC:
439 rp = (const struct sunrpc_msg *)(up + 1);
440 direction = (enum sunrpc_msg_type) EXTRACT_BE_U_4(&rp->rm_direction);
441 if (direction == SUNRPC_CALL)
442 sunrpc_print(ndo, (const u_char *)rp, length,
443 (const u_char *)ip);
444 else
445 nfsreply_print(ndo, (const u_char *)rp, length,
446 (const u_char *)ip); /*XXX*/
447 break;
448
449 case PT_RTP:
450 udpipaddr_print(ndo, ip, sport, dport);
451 rtp_print(ndo, (const void *)(up + 1), length, up);
452 break;
453
454 case PT_RTCP:
455 udpipaddr_print(ndo, ip, sport, dport);
456 while (cp < ep)
457 cp = rtcp_print(ndo, cp, ep);
458 break;
459
460 case PT_SNMP:
461 udpipaddr_print(ndo, ip, sport, dport);
462 snmp_print(ndo, (const u_char *)(up + 1), length);
463 break;
464
465 case PT_CNFP:
466 udpipaddr_print(ndo, ip, sport, dport);
467 cnfp_print(ndo, cp);
468 break;
469
470 case PT_TFTP:
471 udpipaddr_print(ndo, ip, sport, dport);
472 tftp_print(ndo, cp, length);
473 break;
474
475 case PT_AODV:
476 udpipaddr_print(ndo, ip, sport, dport);
477 aodv_print(ndo, (const u_char *)(up + 1), length,
478 ip6 != NULL);
479 break;
480
481 case PT_RADIUS:
482 udpipaddr_print(ndo, ip, sport, dport);
483 radius_print(ndo, cp, length);
484 break;
485
486 case PT_VXLAN:
487 udpipaddr_print(ndo, ip, sport, dport);
488 vxlan_print(ndo, (const u_char *)(up + 1), length);
489 break;
490
491 case PT_PGM:
492 case PT_PGM_ZMTP1:
493 udpipaddr_print(ndo, ip, sport, dport);
494 pgm_print(ndo, cp, length, bp2);
495 break;
496 case PT_LMP:
497 udpipaddr_print(ndo, ip, sport, dport);
498 lmp_print(ndo, cp, length);
499 break;
500 }
501 return;
502 }
503
504 udpipaddr_print(ndo, ip, sport, dport);
505 if (!ndo->ndo_qflag) {
506 register const struct sunrpc_msg *rp;
507 enum sunrpc_msg_type direction;
508
509 rp = (const struct sunrpc_msg *)(up + 1);
510 if (ND_TTEST(rp->rm_direction)) {
511 direction = (enum sunrpc_msg_type) EXTRACT_BE_U_4(&rp->rm_direction);
512 if (dport == NFS_PORT && direction == SUNRPC_CALL) {
513 ND_PRINT((ndo, "NFS request xid %u ", EXTRACT_BE_U_4(&rp->rm_xid)));
514 nfsreq_noaddr_print(ndo, (const u_char *)rp, length,
515 (const u_char *)ip);
516 return;
517 }
518 if (sport == NFS_PORT && direction == SUNRPC_REPLY) {
519 ND_PRINT((ndo, "NFS reply xid %u ", EXTRACT_BE_U_4(&rp->rm_xid)));
520 nfsreply_noaddr_print(ndo, (const u_char *)rp, length,
521 (const u_char *)ip);
522 return;
523 }
524 #ifdef notdef
525 if (dport == SUNRPC_PORT && direction == SUNRPC_CALL) {
526 sunrpc_print((const u_char *)rp, length, (const u_char *)ip);
527 return;
528 }
529 #endif
530 }
531 }
532
533 if (ndo->ndo_vflag && !ndo->ndo_Kflag && !fragmented) {
534 /* Check the checksum, if possible. */
535 uint16_t sum, udp_sum;
536
537 /*
538 * XXX - do this even if vflag == 1?
539 * TCP does, and we do so for UDP-over-IPv6.
540 */
541 if (IP_V(ip) == 4 && (ndo->ndo_vflag > 1)) {
542 udp_sum = EXTRACT_BE_U_2(up->uh_sum);
543 if (udp_sum == 0) {
544 ND_PRINT((ndo, "[no cksum] "));
545 } else if (ND_TTEST2(cp[0], length)) {
546 sum = udp_cksum(ndo, ip, up, length + sizeof(struct udphdr));
547
548 if (sum != 0) {
549 ND_PRINT((ndo, "[bad udp cksum 0x%04x -> 0x%04x!] ",
550 udp_sum,
551 in_cksum_shouldbe(udp_sum, sum)));
552 } else
553 ND_PRINT((ndo, "[udp sum ok] "));
554 }
555 }
556 else if (IP_V(ip) == 6 && ip6->ip6_plen) {
557 /* for IPv6, UDP checksum is mandatory */
558 if (ND_TTEST2(cp[0], length)) {
559 sum = udp6_cksum(ndo, ip6, up, length + sizeof(struct udphdr));
560 udp_sum = EXTRACT_BE_U_2(up->uh_sum);
561
562 if (sum != 0) {
563 ND_PRINT((ndo, "[bad udp cksum 0x%04x -> 0x%04x!] ",
564 udp_sum,
565 in_cksum_shouldbe(udp_sum, sum)));
566 } else
567 ND_PRINT((ndo, "[udp sum ok] "));
568 }
569 }
570 }
571
572 if (!ndo->ndo_qflag) {
573 if (IS_SRC_OR_DST_PORT(NAMESERVER_PORT))
574 domain_print(ndo, (const u_char *)(up + 1), length, 0);
575 else if (IS_SRC_OR_DST_PORT(MULTICASTDNS_PORT))
576 domain_print(ndo, (const u_char *)(up + 1), length, 1);
577 else if (IS_SRC_OR_DST_PORT(TIMED_PORT))
578 timed_print(ndo, (const u_char *)(up + 1));
579 else if (IS_SRC_OR_DST_PORT(TFTP_PORT))
580 tftp_print(ndo, (const u_char *)(up + 1), length);
581 else if (IS_SRC_OR_DST_PORT(BOOTPC_PORT) || IS_SRC_OR_DST_PORT(BOOTPS_PORT))
582 bootp_print(ndo, (const u_char *)(up + 1), length);
583 else if (IS_SRC_OR_DST_PORT(RIP_PORT))
584 rip_print(ndo, (const u_char *)(up + 1), length);
585 else if (IS_SRC_OR_DST_PORT(AODV_PORT))
586 aodv_print(ndo, (const u_char *)(up + 1), length,
587 ip6 != NULL);
588 else if (IS_SRC_OR_DST_PORT(ISAKMP_PORT))
589 isakmp_print(ndo, (const u_char *)(up + 1), length, bp2);
590 else if (IS_SRC_OR_DST_PORT(ISAKMP_PORT_NATT))
591 isakmp_rfc3948_print(ndo, (const u_char *)(up + 1), length, bp2);
592 else if (IS_SRC_OR_DST_PORT(ISAKMP_PORT_USER1) || IS_SRC_OR_DST_PORT(ISAKMP_PORT_USER2))
593 isakmp_print(ndo, (const u_char *)(up + 1), length, bp2);
594 else if (IS_SRC_OR_DST_PORT(SNMP_PORT) || IS_SRC_OR_DST_PORT(SNMPTRAP_PORT))
595 snmp_print(ndo, (const u_char *)(up + 1), length);
596 else if (IS_SRC_OR_DST_PORT(NTP_PORT))
597 ntp_print(ndo, (const u_char *)(up + 1), length);
598 else if (IS_SRC_OR_DST_PORT(KERBEROS_PORT) || IS_SRC_OR_DST_PORT(KERBEROS_SEC_PORT))
599 krb_print(ndo, (const void *)(up + 1));
600 else if (IS_SRC_OR_DST_PORT(L2TP_PORT))
601 l2tp_print(ndo, (const u_char *)(up + 1), length);
602 #ifdef ENABLE_SMB
603 else if (IS_SRC_OR_DST_PORT(NETBIOS_NS_PORT))
604 nbt_udp137_print(ndo, (const u_char *)(up + 1), length);
605 else if (IS_SRC_OR_DST_PORT(NETBIOS_DGRAM_PORT))
606 nbt_udp138_print(ndo, (const u_char *)(up + 1), length);
607 #endif
608 else if (dport == VAT_PORT)
609 vat_print(ndo, (const void *)(up + 1), up);
610 else if (IS_SRC_OR_DST_PORT(ZEPHYR_SRV_PORT) || IS_SRC_OR_DST_PORT(ZEPHYR_CLT_PORT))
611 zephyr_print(ndo, (const void *)(up + 1), length);
612 /*
613 * Since there are 10 possible ports to check, I think
614 * a <> test would be more efficient
615 */
616 else if ((sport >= RX_PORT_LOW && sport <= RX_PORT_HIGH) ||
617 (dport >= RX_PORT_LOW && dport <= RX_PORT_HIGH))
618 rx_print(ndo, (const void *)(up + 1), length, sport, dport,
619 (const u_char *) ip);
620 else if (IS_SRC_OR_DST_PORT(RIPNG_PORT))
621 ripng_print(ndo, (const u_char *)(up + 1), length);
622 else if (IS_SRC_OR_DST_PORT(DHCP6_SERV_PORT) || IS_SRC_OR_DST_PORT(DHCP6_CLI_PORT))
623 dhcp6_print(ndo, (const u_char *)(up + 1), length);
624 else if (IS_SRC_OR_DST_PORT(AHCP_PORT))
625 ahcp_print(ndo, (const u_char *)(up + 1), length);
626 else if (IS_SRC_OR_DST_PORT(BABEL_PORT) || IS_SRC_OR_DST_PORT(BABEL_PORT_OLD))
627 babel_print(ndo, (const u_char *)(up + 1), length);
628 else if (IS_SRC_OR_DST_PORT(HNCP_PORT))
629 hncp_print(ndo, (const u_char *)(up + 1), length);
630 /*
631 * Kludge in test for whiteboard packets.
632 */
633 else if (dport == WB_PORT)
634 wb_print(ndo, (const void *)(up + 1), length);
635 else if (IS_SRC_OR_DST_PORT(CISCO_AUTORP_PORT))
636 cisco_autorp_print(ndo, (const void *)(up + 1), length);
637 else if (IS_SRC_OR_DST_PORT(RADIUS_PORT) ||
638 IS_SRC_OR_DST_PORT(RADIUS_NEW_PORT) ||
639 IS_SRC_OR_DST_PORT(RADIUS_ACCOUNTING_PORT) ||
640 IS_SRC_OR_DST_PORT(RADIUS_NEW_ACCOUNTING_PORT) ||
641 IS_SRC_OR_DST_PORT(RADIUS_CISCO_COA_PORT) ||
642 IS_SRC_OR_DST_PORT(RADIUS_COA_PORT) )
643 radius_print(ndo, (const u_char *)(up+1), length);
644 else if (dport == HSRP_PORT)
645 hsrp_print(ndo, (const u_char *)(up + 1), length);
646 else if (IS_SRC_OR_DST_PORT(LWRES_PORT))
647 lwres_print(ndo, (const u_char *)(up + 1), length);
648 else if (IS_SRC_OR_DST_PORT(LDP_PORT))
649 ldp_print(ndo, (const u_char *)(up + 1), length);
650 else if (IS_SRC_OR_DST_PORT(OLSR_PORT))
651 olsr_print(ndo, (const u_char *)(up + 1), length,
652 (IP_V(ip) == 6) ? 1 : 0);
653 else if (IS_SRC_OR_DST_PORT(MPLS_LSP_PING_PORT))
654 lspping_print(ndo, (const u_char *)(up + 1), length);
655 else if (dport == BFD_CONTROL_PORT ||
656 dport == BFD_ECHO_PORT )
657 bfd_print(ndo, (const u_char *)(up+1), length, dport);
658 else if (IS_SRC_OR_DST_PORT(LMP_PORT))
659 lmp_print(ndo, (const u_char *)(up + 1), length);
660 else if (IS_SRC_OR_DST_PORT(VQP_PORT))
661 vqp_print(ndo, (const u_char *)(up + 1), length);
662 else if (IS_SRC_OR_DST_PORT(SFLOW_PORT))
663 sflow_print(ndo, (const u_char *)(up + 1), length);
664 else if (dport == LWAPP_CONTROL_PORT)
665 lwapp_control_print(ndo, (const u_char *)(up + 1), length, 1);
666 else if (sport == LWAPP_CONTROL_PORT)
667 lwapp_control_print(ndo, (const u_char *)(up + 1), length, 0);
668 else if (IS_SRC_OR_DST_PORT(LWAPP_DATA_PORT))
669 lwapp_data_print(ndo, (const u_char *)(up + 1), length);
670 else if (IS_SRC_OR_DST_PORT(SIP_PORT))
671 sip_print(ndo, (const u_char *)(up + 1), length);
672 else if (IS_SRC_OR_DST_PORT(SYSLOG_PORT))
673 syslog_print(ndo, (const u_char *)(up + 1), length);
674 else if (IS_SRC_OR_DST_PORT(OTV_PORT))
675 otv_print(ndo, (const u_char *)(up + 1), length);
676 else if (IS_SRC_OR_DST_PORT(VXLAN_PORT))
677 vxlan_print(ndo, (const u_char *)(up + 1), length);
678 else if (IS_SRC_OR_DST_PORT(GENEVE_PORT))
679 geneve_print(ndo, (const u_char *)(up + 1), length);
680 else if (IS_SRC_OR_DST_PORT(LISP_CONTROL_PORT))
681 lisp_print(ndo, (const u_char *)(up + 1), length);
682 else if (IS_SRC_OR_DST_PORT(VXLAN_GPE_PORT))
683 vxlan_gpe_print(ndo, (const u_char *)(up + 1), length);
684 else if (ND_TTEST(((const struct LAP *)cp)->type) &&
685 ((const struct LAP *)cp)->type == lapDDP &&
686 (atalk_port(sport) || atalk_port(dport))) {
687 if (ndo->ndo_vflag)
688 ND_PRINT((ndo, "kip "));
689 llap_print(ndo, cp, length);
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 } else {
698 if (ulen > length)
699 ND_PRINT((ndo, "UDP, bad length %u > %u",
700 ulen, length));
701 else
702 ND_PRINT((ndo, "UDP, length %u", ulen));
703 }
704 return;
705
706 trunc:
707 ND_PRINT((ndo, "%s", udp_tstr));
708 }
709
710
711 /*
712 * Local Variables:
713 * c-style: whitesmith
714 * c-basic-offset: 8
715 * End:
716 */
[mirror] the TCPdump network dissector