contrib/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  * $FreeBSD$
  22  */
  23
  24 #ifndef lint
  25 static const char rcsid[] _U_ =
  26     "@(#) $Header: /tcpdump/master/tcpdump/print-udp.c,v 1.142 2007-08-08 17:20:58 hannes Exp $ (LBL)";
  27 #endif
  28
  29 #ifdef HAVE_CONFIG_H
  30 #include "config.h"
  31 #endif
  32
  33 #include <tcpdump-stdinc.h>
  34
  35 #ifdef SEGSIZE
  36 #undef SEGSIZE
  37 #endif
  38 #include <arpa/tftp.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 #include "rpc_auth.h"
  56 #include "rpc_msg.h"
  57
  58 #include "nameser.h"
  59 #include "nfs.h"
  60 #include "bootp.h"
  61
  62 struct rtcphdr {
  63         u_int16_t rh_flags;     /* T:2 P:1 CNT:5 PT:8 */
  64         u_int16_t rh_len;       /* length of message (in words) */
  65         u_int32_t rh_ssrc;      /* synchronization src id */
  66 };
  67
  68 typedef struct {
  69         u_int32_t upper;        /* more significant 32 bits */
  70         u_int32_t lower;        /* less significant 32 bits */
  71 } ntp64;
  72
  73 /*
  74  * Sender report.
  75  */
  76 struct rtcp_sr {
  77         ntp64 sr_ntp;           /* 64-bit ntp timestamp */
  78         u_int32_t sr_ts;        /* reference media timestamp */
  79         u_int32_t sr_np;        /* no. packets sent */
  80         u_int32_t sr_nb;        /* no. bytes sent */
  81 };
  82
  83 /*
  84  * Receiver report.
  85  * Time stamps are middle 32-bits of ntp timestamp.
  86  */
  87 struct rtcp_rr {
  88         u_int32_t rr_srcid;     /* sender being reported */
  89         u_int32_t rr_nl;        /* no. packets lost */
  90         u_int32_t rr_ls;        /* extended last seq number received */
  91         u_int32_t rr_dv;        /* jitter (delay variance) */
  92         u_int32_t rr_lsr;       /* orig. ts from last rr from this src  */
  93         u_int32_t rr_dlsr;      /* time from recpt of last rr to xmit time */
  94 };
  95
  96 /*XXX*/
  97 #define RTCP_PT_SR      200
  98 #define RTCP_PT_RR      201
  99 #define RTCP_PT_SDES    202
 100 #define         RTCP_SDES_CNAME 1
 101 #define         RTCP_SDES_NAME  2
 102 #define         RTCP_SDES_EMAIL 3
 103 #define         RTCP_SDES_PHONE 4
 104 #define         RTCP_SDES_LOC   5
 105 #define         RTCP_SDES_TOOL  6
 106 #define         RTCP_SDES_NOTE  7
 107 #define         RTCP_SDES_PRIV  8
 108 #define RTCP_PT_BYE     203
 109 #define RTCP_PT_APP     204
 110
 111 static void
 112 vat_print(const void *hdr, register const struct udphdr *up)
 113 {
 114         /* vat/vt audio */
 115         u_int ts = *(u_int16_t *)hdr;
 116         if ((ts & 0xf060) != 0) {
 117                 /* probably vt */
 118                 (void)printf("udp/vt %u %d / %d",
 119                              (u_int32_t)(EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up)),
 120                              ts & 0x3ff, ts >> 10);
 121         } else {
 122                 /* probably vat */
 123                 u_int32_t i0 = EXTRACT_32BITS(&((u_int *)hdr)[0]);
 124                 u_int32_t i1 = EXTRACT_32BITS(&((u_int *)hdr)[1]);
 125                 printf("udp/vat %u c%d %u%s",
 126                         (u_int32_t)(EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up) - 8),
 127                         i0 & 0xffff,
 128                         i1, i0 & 0x800000? "*" : "");
 129                 /* audio format */
 130                 if (i0 & 0x1f0000)
 131                         printf(" f%d", (i0 >> 16) & 0x1f);
 132                 if (i0 & 0x3f000000)
 133                         printf(" s%d", (i0 >> 24) & 0x3f);
 134         }
 135 }
 136
 137 static void
 138 rtp_print(const void *hdr, u_int len, register const struct udphdr *up)
 139 {
 140         /* rtp v1 or v2 */
 141         u_int *ip = (u_int *)hdr;
 142         u_int hasopt, hasext, contype, hasmarker;
 143         u_int32_t i0 = EXTRACT_32BITS(&((u_int *)hdr)[0]);
 144         u_int32_t i1 = EXTRACT_32BITS(&((u_int *)hdr)[1]);
 145         u_int dlen = EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up) - 8;
 146         const char * ptype;
 147
 148         ip += 2;
 149         len >>= 2;
 150         len -= 2;
 151         hasopt = 0;
 152         hasext = 0;
 153         if ((i0 >> 30) == 1) {
 154                 /* rtp v1 */
 155                 hasopt = i0 & 0x800000;
 156                 contype = (i0 >> 16) & 0x3f;
 157                 hasmarker = i0 & 0x400000;
 158                 ptype = "rtpv1";
 159         } else {
 160                 /* rtp v2 */
 161                 hasext = i0 & 0x10000000;
 162                 contype = (i0 >> 16) & 0x7f;
 163                 hasmarker = i0 & 0x800000;
 164                 dlen -= 4;
 165                 ptype = "rtp";
 166                 ip += 1;
 167                 len -= 1;
 168         }
 169         printf("udp/%s %d c%d %s%s %d %u",
 170                 ptype,
 171                 dlen,
 172                 contype,
 173                 (hasopt || hasext)? "+" : "",
 174                 hasmarker? "*" : "",
 175                 i0 & 0xffff,
 176                 i1);
 177         if (vflag) {
 178                 printf(" %u", EXTRACT_32BITS(&((u_int *)hdr)[2]));
 179                 if (hasopt) {
 180                         u_int i2, optlen;
 181                         do {
 182                                 i2 = ip[0];
 183                                 optlen = (i2 >> 16) & 0xff;
 184                                 if (optlen == 0 || optlen > len) {
 185                                         printf(" !opt");
 186                                         return;
 187                                 }
 188                                 ip += optlen;
 189                                 len -= optlen;
 190                         } while ((int)i2 >= 0);
 191                 }
 192                 if (hasext) {
 193                         u_int i2, extlen;
 194                         i2 = ip[0];
 195                         extlen = (i2 & 0xffff) + 1;
 196                         if (extlen > len) {
 197                                 printf(" !ext");
 198                                 return;
 199                         }
 200                         ip += extlen;
 201                 }
 202                 if (contype == 0x1f) /*XXX H.261 */
 203                         printf(" 0x%04x", ip[0] >> 16);
 204         }
 205 }
 206
 207 static const u_char *
 208 rtcp_print(const u_char *hdr, const u_char *ep)
 209 {
 210         /* rtp v2 control (rtcp) */
 211         struct rtcp_rr *rr = 0;
 212         struct rtcp_sr *sr;
 213         struct rtcphdr *rh = (struct rtcphdr *)hdr;
 214         u_int len;
 215         u_int16_t flags;
 216         int cnt;
 217         double ts, dts;
 218         if ((u_char *)(rh + 1) > ep) {
 219                 printf(" [|rtcp]");
 220                 return (ep);
 221         }
 222         len = (EXTRACT_16BITS(&rh->rh_len) + 1) * 4;
 223         flags = EXTRACT_16BITS(&rh->rh_flags);
 224         cnt = (flags >> 8) & 0x1f;
 225         switch (flags & 0xff) {
 226         case RTCP_PT_SR:
 227                 sr = (struct rtcp_sr *)(rh + 1);
 228                 printf(" sr");
 229                 if (len != cnt * sizeof(*rr) + sizeof(*sr) + sizeof(*rh))
 230                         printf(" [%d]", len);
 231                 if (vflag)
 232                         printf(" %u", EXTRACT_32BITS(&rh->rh_ssrc));
 233                 if ((u_char *)(sr + 1) > ep) {
 234                         printf(" [|rtcp]");
 235                         return (ep);
 236                 }
 237                 ts = (double)(EXTRACT_32BITS(&sr->sr_ntp.upper)) +
 238                     ((double)(EXTRACT_32BITS(&sr->sr_ntp.lower)) /
 239                     4294967296.0);
 240                 printf(" @%.2f %u %up %ub", ts, EXTRACT_32BITS(&sr->sr_ts),
 241                     EXTRACT_32BITS(&sr->sr_np), EXTRACT_32BITS(&sr->sr_nb));
 242                 rr = (struct rtcp_rr *)(sr + 1);
 243                 break;
 244         case RTCP_PT_RR:
 245                 printf(" rr");
 246                 if (len != cnt * sizeof(*rr) + sizeof(*rh))
 247                         printf(" [%d]", len);
 248                 rr = (struct rtcp_rr *)(rh + 1);
 249                 if (vflag)
 250                         printf(" %u", EXTRACT_32BITS(&rh->rh_ssrc));
 251                 break;
 252         case RTCP_PT_SDES:
 253                 printf(" sdes %d", len);
 254                 if (vflag)
 255                         printf(" %u", EXTRACT_32BITS(&rh->rh_ssrc));
 256                 cnt = 0;
 257                 break;
 258         case RTCP_PT_BYE:
 259                 printf(" bye %d", len);
 260                 if (vflag)
 261                         printf(" %u", EXTRACT_32BITS(&rh->rh_ssrc));
 262                 cnt = 0;
 263                 break;
 264         default:
 265                 printf(" type-0x%x %d", flags & 0xff, len);
 266                 cnt = 0;
 267                 break;
 268         }
 269         if (cnt > 1)
 270                 printf(" c%d", cnt);
 271         while (--cnt >= 0) {
 272                 if ((u_char *)(rr + 1) > ep) {
 273                         printf(" [|rtcp]");
 274                         return (ep);
 275                 }
 276                 if (vflag)
 277                         printf(" %u", EXTRACT_32BITS(&rr->rr_srcid));
 278                 ts = (double)(EXTRACT_32BITS(&rr->rr_lsr)) / 65536.;
 279                 dts = (double)(EXTRACT_32BITS(&rr->rr_dlsr)) / 65536.;
 280                 printf(" %ul %us %uj @%.2f+%.2f",
 281                     EXTRACT_32BITS(&rr->rr_nl) & 0x00ffffff,
 282                     EXTRACT_32BITS(&rr->rr_ls),
 283                     EXTRACT_32BITS(&rr->rr_dv), ts, dts);
 284         }
 285         return (hdr + len);
 286 }
 287
 288 static int udp_cksum(register const struct ip *ip,
 289                      register const struct udphdr *up,
 290                      register u_int len)
 291 {
 292         union phu {
 293                 struct phdr {
 294                         u_int32_t src;
 295                         u_int32_t dst;
 296                         u_char mbz;
 297                         u_char proto;
 298                         u_int16_t len;
 299                 } ph;
 300                 u_int16_t pa[6];
 301         } phu;
 302         register const u_int16_t *sp;
 303
 304         /* pseudo-header.. */
 305         phu.ph.len = htons((u_int16_t)len);
 306         phu.ph.mbz = 0;
 307         phu.ph.proto = IPPROTO_UDP;
 308         memcpy(&phu.ph.src, &ip->ip_src.s_addr, sizeof(u_int32_t));
 309         if (IP_HL(ip) == 5)
 310                 memcpy(&phu.ph.dst, &ip->ip_dst.s_addr, sizeof(u_int32_t));
 311         else
 312                 phu.ph.dst = ip_finddst(ip);
 313
 314         sp = &phu.pa[0];
 315         return in_cksum((u_short *)up, len,
 316                         sp[0]+sp[1]+sp[2]+sp[3]+sp[4]+sp[5]);
 317 }
 318
 319 #ifdef INET6
 320 static int udp6_cksum(const struct ip6_hdr *ip6, const struct udphdr *up,
 321         u_int len)
 322 {
 323         size_t i;
 324         register const u_int16_t *sp;
 325         u_int32_t sum;
 326         union {
 327                 struct {
 328                         struct in6_addr ph_src;
 329                         struct in6_addr ph_dst;
 330                         u_int32_t       ph_len;
 331                         u_int8_t        ph_zero[3];
 332                         u_int8_t        ph_nxt;
 333                 } ph;
 334                 u_int16_t pa[20];
 335         } phu;
 336
 337         /* pseudo-header */
 338         memset(&phu, 0, sizeof(phu));
 339         phu.ph.ph_src = ip6->ip6_src;
 340         phu.ph.ph_dst = ip6->ip6_dst;
 341         phu.ph.ph_len = htonl(len);
 342         phu.ph.ph_nxt = IPPROTO_UDP;
 343
 344         sum = 0;
 345         for (i = 0; i < sizeof(phu.pa) / sizeof(phu.pa[0]); i++)
 346                 sum += phu.pa[i];
 347
 348         sp = (const u_int16_t *)up;
 349
 350         for (i = 0; i < (len & ~1); i += 2)
 351                 sum += *sp++;
 352
 353         if (len & 1)
 354                 sum += htons((*(const u_int8_t *)sp) << 8);
 355
 356         while (sum > 0xffff)
 357                 sum = (sum & 0xffff) + (sum >> 16);
 358         sum = ~sum & 0xffff;
 359
 360         return (sum);
 361 }
 362 #endif
 363
 364 static void
 365 udpipaddr_print(const struct ip *ip, int sport, int dport)
 366 {
 367 #ifdef INET6
 368         const struct ip6_hdr *ip6;
 369
 370         if (IP_V(ip) == 6)
 371                 ip6 = (const struct ip6_hdr *)ip;
 372         else
 373                 ip6 = NULL;
 374
 375         if (ip6) {
 376                 if (ip6->ip6_nxt == IPPROTO_UDP) {
 377                         if (sport == -1) {
 378                                 (void)printf("%s > %s: ",
 379                                         ip6addr_string(&ip6->ip6_src),
 380                                         ip6addr_string(&ip6->ip6_dst));
 381                         } else {
 382                                 (void)printf("%s.%s > %s.%s: ",
 383                                         ip6addr_string(&ip6->ip6_src),
 384                                         udpport_string(sport),
 385                                         ip6addr_string(&ip6->ip6_dst),
 386                                         udpport_string(dport));
 387                         }
 388                 } else {
 389                         if (sport != -1) {
 390                                 (void)printf("%s > %s: ",
 391                                         udpport_string(sport),
 392                                         udpport_string(dport));
 393                         }
 394                 }
 395         } else
 396 #endif /*INET6*/
 397         {
 398                 if (ip->ip_p == IPPROTO_UDP) {
 399                         if (sport == -1) {
 400                                 (void)printf("%s > %s: ",
 401                                         ipaddr_string(&ip->ip_src),
 402                                         ipaddr_string(&ip->ip_dst));
 403                         } else {
 404                                 (void)printf("%s.%s > %s.%s: ",
 405                                         ipaddr_string(&ip->ip_src),
 406                                         udpport_string(sport),
 407                                         ipaddr_string(&ip->ip_dst),
 408                                         udpport_string(dport));
 409                         }
 410                 } else {
 411                         if (sport != -1) {
 412                                 (void)printf("%s > %s: ",
 413                                         udpport_string(sport),
 414                                         udpport_string(dport));
 415                         }
 416                 }
 417         }
 418 }
 419
 420 void
 421 udp_print(register const u_char *bp, u_int length,
 422           register const u_char *bp2, int fragmented)
 423 {
 424         register const struct udphdr *up;
 425         register const struct ip *ip;
 426         register const u_char *cp;
 427         register const u_char *ep = bp + length;
 428         u_int16_t sport, dport, ulen;
 429 #ifdef INET6
 430         register const struct ip6_hdr *ip6;
 431 #endif
 432
 433         if (ep > snapend)
 434                 ep = snapend;
 435         up = (struct udphdr *)bp;
 436         ip = (struct ip *)bp2;
 437 #ifdef INET6
 438         if (IP_V(ip) == 6)
 439                 ip6 = (struct ip6_hdr *)bp2;
 440         else
 441                 ip6 = NULL;
 442 #endif /*INET6*/
 443         cp = (u_char *)(up + 1);
 444         if (!TTEST(up->uh_dport)) {
 445                 udpipaddr_print(ip, -1, -1);
 446                 (void)printf("[|udp]");
 447                 return;
 448         }
 449
 450         sport = EXTRACT_16BITS(&up->uh_sport);
 451         dport = EXTRACT_16BITS(&up->uh_dport);
 452
 453         if (length < sizeof(struct udphdr)) {
 454                 udpipaddr_print(ip, sport, dport);
 455                 (void)printf("truncated-udp %d", length);
 456                 return;
 457         }
 458         length -= sizeof(struct udphdr);
 459
 460         if (cp > snapend) {
 461                 udpipaddr_print(ip, sport, dport);
 462                 (void)printf("[|udp]");
 463                 return;
 464         }
 465
 466         ulen = EXTRACT_16BITS(&up->uh_ulen);
 467         if (ulen < 8) {
 468                 udpipaddr_print(ip, sport, dport);
 469                 (void)printf("truncated-udplength %d", ulen);
 470                 return;
 471         }
 472         if (packettype) {
 473                 register struct sunrpc_msg *rp;
 474                 enum sunrpc_msg_type direction;
 475
 476                 switch (packettype) {
 477
 478                 case PT_VAT:
 479                         udpipaddr_print(ip, sport, dport);
 480                         vat_print((void *)(up + 1), up);
 481                         break;
 482
 483                 case PT_WB:
 484                         udpipaddr_print(ip, sport, dport);
 485                         wb_print((void *)(up + 1), length);
 486                         break;
 487
 488                 case PT_RPC:
 489                         rp = (struct sunrpc_msg *)(up + 1);
 490                         direction = (enum sunrpc_msg_type)EXTRACT_32BITS(&rp->rm_direction);
 491                         if (direction == SUNRPC_CALL)
 492                                 sunrpcrequest_print((u_char *)rp, length,
 493                                     (u_char *)ip);
 494                         else
 495                                 nfsreply_print((u_char *)rp, length,
 496                                     (u_char *)ip);                      /*XXX*/
 497                         break;
 498
 499                 case PT_RTP:
 500                         udpipaddr_print(ip, sport, dport);
 501                         rtp_print((void *)(up + 1), length, up);
 502                         break;
 503
 504                 case PT_RTCP:
 505                         udpipaddr_print(ip, sport, dport);
 506                         while (cp < ep)
 507                                 cp = rtcp_print(cp, ep);
 508                         break;
 509
 510                 case PT_SNMP:
 511                         udpipaddr_print(ip, sport, dport);
 512                         snmp_print((const u_char *)(up + 1), length);
 513                         break;
 514
 515                 case PT_CNFP:
 516                         udpipaddr_print(ip, sport, dport);
 517                         cnfp_print(cp, (const u_char *)ip);
 518                         break;
 519
 520                 case PT_TFTP:
 521                         udpipaddr_print(ip, sport, dport);
 522                         tftp_print(cp, length);
 523                         break;
 524
 525                 case PT_AODV:
 526                         udpipaddr_print(ip, sport, dport);
 527                         aodv_print((const u_char *)(up + 1), length,
 528 #ifdef INET6
 529                             ip6 != NULL);
 530 #else
 531                             0);
 532 #endif
 533                         break;
 534                 }
 535                 return;
 536         }
 537
 538         if (!qflag) {
 539                 register struct sunrpc_msg *rp;
 540                 enum sunrpc_msg_type direction;
 541
 542                 rp = (struct sunrpc_msg *)(up + 1);
 543                 if (TTEST(rp->rm_direction)) {
 544                         direction = (enum sunrpc_msg_type)EXTRACT_32BITS(&rp->rm_direction);
 545                         if (dport == NFS_PORT && direction == SUNRPC_CALL) {
 546                                 nfsreq_print((u_char *)rp, length,
 547                                     (u_char *)ip);
 548                                 return;
 549                         }
 550                         if (sport == NFS_PORT && direction == SUNRPC_REPLY) {
 551                                 nfsreply_print((u_char *)rp, length,
 552                                     (u_char *)ip);
 553                                 return;
 554                         }
 555 #ifdef notdef
 556                         if (dport == SUNRPC_PORT && direction == SUNRPC_CALL) {
 557                                 sunrpcrequest_print((u_char *)rp, length, (u_char *)ip);
 558                                 return;
 559                         }
 560 #endif
 561                 }
 562                 if (TTEST(((struct LAP *)cp)->type) &&
 563                     ((struct LAP *)cp)->type == lapDDP &&
 564                     (atalk_port(sport) || atalk_port(dport))) {
 565                         if (vflag)
 566                                 fputs("kip ", stdout);
 567                         llap_print(cp, length);
 568                         return;
 569                 }
 570         }
 571         udpipaddr_print(ip, sport, dport);
 572
 573         if (IP_V(ip) == 4 && (vflag > 1) && !fragmented) {
 574                 int sum = up->uh_sum;
 575                 if (sum == 0) {
 576                         (void)printf("[no cksum] ");
 577                 } else if (TTEST2(cp[0], length)) {
 578                         sum = udp_cksum(ip, up, length + sizeof(struct udphdr));
 579                         if (sum != 0)
 580                                 (void)printf("[bad udp cksum %x!] ", sum);
 581                         else
 582                                 (void)printf("[udp sum ok] ");
 583                 }
 584         }
 585 #ifdef INET6
 586         if (IP_V(ip) == 6 && ip6->ip6_plen && vflag && !fragmented) {
 587                 int sum = up->uh_sum;
 588                 /* for IPv6, UDP checksum is mandatory */
 589                 if (TTEST2(cp[0], length)) {
 590                         sum = udp6_cksum(ip6, up, length + sizeof(struct udphdr));
 591                         if (sum != 0)
 592                                 (void)printf("[bad udp cksum %x!] ", sum);
 593                         else
 594                                 (void)printf("[udp sum ok] ");
 595                 }
 596         }
 597 #endif
 598
 599         if (!qflag) {
 600 #define ISPORT(p) (dport == (p) || sport == (p))
 601                 if (ISPORT(NAMESERVER_PORT))
 602                         ns_print((const u_char *)(up + 1), length, 0);
 603                 else if (ISPORT(MULTICASTDNS_PORT))
 604                         ns_print((const u_char *)(up + 1), length, 1);
 605                 else if (ISPORT(TIMED_PORT))
 606                         timed_print((const u_char *)(up + 1));
 607                 else if (ISPORT(TFTP_PORT))
 608                         tftp_print((const u_char *)(up + 1), length);
 609                 else if (ISPORT(IPPORT_BOOTPC) || ISPORT(IPPORT_BOOTPS))
 610                         bootp_print((const u_char *)(up + 1), length);
 611                 else if (ISPORT(RIP_PORT))
 612                         rip_print((const u_char *)(up + 1), length);
 613                 else if (ISPORT(AODV_PORT))
 614                         aodv_print((const u_char *)(up + 1), length,
 615 #ifdef INET6
 616                             ip6 != NULL);
 617 #else
 618                             0);
 619 #endif
 620                 else if (ISPORT(ISAKMP_PORT))
 621                          isakmp_print(gndo, (const u_char *)(up + 1), length, bp2);
 622                 else if (ISPORT(ISAKMP_PORT_NATT))
 623                          isakmp_rfc3948_print(gndo, (const u_char *)(up + 1), length, bp2);
 624 #if 1 /*???*/
 625                 else if (ISPORT(ISAKMP_PORT_USER1) || ISPORT(ISAKMP_PORT_USER2))
 626                         isakmp_print(gndo, (const u_char *)(up + 1), length, bp2);
 627 #endif
 628                 else if (ISPORT(SNMP_PORT) || ISPORT(SNMPTRAP_PORT))
 629                         snmp_print((const u_char *)(up + 1), length);
 630                 else if (ISPORT(NTP_PORT))
 631                         ntp_print((const u_char *)(up + 1), length);
 632                 else if (ISPORT(KERBEROS_PORT) || ISPORT(KERBEROS_SEC_PORT))
 633                         krb_print((const void *)(up + 1));
 634                 else if (ISPORT(L2TP_PORT))
 635                         l2tp_print((const u_char *)(up + 1), length);
 636 #ifdef TCPDUMP_DO_SMB
 637                 else if (ISPORT(NETBIOS_NS_PORT))
 638                         nbt_udp137_print((const u_char *)(up + 1), length);
 639                 else if (ISPORT(NETBIOS_DGRAM_PORT))
 640                         nbt_udp138_print((const u_char *)(up + 1), length);
 641 #endif
 642                 else if (dport == 3456)
 643                         vat_print((const void *)(up + 1), up);
 644                 else if (ISPORT(ZEPHYR_SRV_PORT) || ISPORT(ZEPHYR_CLT_PORT))
 645                         zephyr_print((const void *)(up + 1), length);
 646                 /*
 647                  * Since there are 10 possible ports to check, I think
 648                  * a <> test would be more efficient
 649                  */
 650                 else if ((sport >= RX_PORT_LOW && sport <= RX_PORT_HIGH) ||
 651                          (dport >= RX_PORT_LOW && dport <= RX_PORT_HIGH))
 652                         rx_print((const void *)(up + 1), length, sport, dport,
 653                                  (u_char *) ip);
 654 #ifdef INET6
 655                 else if (ISPORT(RIPNG_PORT))
 656                         ripng_print((const u_char *)(up + 1), length);
 657                 else if (ISPORT(DHCP6_SERV_PORT) || ISPORT(DHCP6_CLI_PORT)) {
 658                         dhcp6_print((const u_char *)(up + 1), length);
 659                 }
 660 #endif /*INET6*/
 661                 /*
 662                  * Kludge in test for whiteboard packets.
 663                  */
 664                 else if (dport == 4567)
 665                         wb_print((const void *)(up + 1), length);
 666                 else if (ISPORT(CISCO_AUTORP_PORT))
 667                         cisco_autorp_print((const void *)(up + 1), length);
 668                 else if (ISPORT(RADIUS_PORT) ||
 669                          ISPORT(RADIUS_NEW_PORT) ||
 670                          ISPORT(RADIUS_ACCOUNTING_PORT) ||
 671                          ISPORT(RADIUS_NEW_ACCOUNTING_PORT) )
 672                         radius_print((const u_char *)(up+1), length);
 673                 else if (dport == HSRP_PORT)
 674                         hsrp_print((const u_char *)(up + 1), length);
 675                 else if (ISPORT(LWRES_PORT))
 676                         lwres_print((const u_char *)(up + 1), length);
 677                 else if (ISPORT(LDP_PORT))
 678                         ldp_print((const u_char *)(up + 1), length);
 679                 else if (ISPORT(OLSR_PORT))
 680                         olsr_print((const u_char *)(up + 1), length);
 681                 else if (ISPORT(MPLS_LSP_PING_PORT))
 682                         lspping_print((const u_char *)(up + 1), length);
 683                 else if (dport == BFD_CONTROL_PORT ||
 684                          dport == BFD_ECHO_PORT )
 685                         bfd_print((const u_char *)(up+1), length, dport);
 686                 else if (ISPORT(LMP_PORT))
 687                         lmp_print((const u_char *)(up + 1), length);
 688                 else if (ISPORT(VQP_PORT))
 689                         vqp_print((const u_char *)(up + 1), length);
 690                 else if (ISPORT(SFLOW_PORT))
 691                         sflow_print((const u_char *)(up + 1), length);
 692                 else if (dport == LWAPP_CONTROL_PORT)
 693                         lwapp_control_print((const u_char *)(up + 1), length, 1);
 694                 else if (sport == LWAPP_CONTROL_PORT)
 695                         lwapp_control_print((const u_char *)(up + 1), length, 0);
 696                 else if (ISPORT(LWAPP_DATA_PORT))
 697                         lwapp_data_print((const u_char *)(up + 1), length);
 698                 else if (ISPORT(SIP_PORT))
 699                         sip_print((const u_char *)(up + 1), length);
 700                 else if (ISPORT(SYSLOG_PORT))
 701                         syslog_print((const u_char *)(up + 1), length);
 702                 else
 703                         (void)printf("UDP, length %u",
 704                             (u_int32_t)(ulen - sizeof(*up)));
 705 #undef ISPORT
 706         } else
 707                 (void)printf("UDP, length %u", (u_int32_t)(ulen - sizeof(*up)));
 708 }
 709
 710
 711 /*
 712  * Local Variables:
 713  * c-style: whitesmith
 714  * c-basic-offset: 8
 715  * End:
 716  */
 717