contrib/tcpdump-3.9/print-udp.c

   1 /*
   2  * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that: (1) source code distributions
   7  * retain the above copyright notice and this paragraph in its entirety, (2)
   8  * distributions including binary code include the above copyright notice and
   9  * this paragraph in its entirety in the documentation or other materials
  10  * provided with the distribution, and (3) all advertising materials mentioning
  11  * features or use of this software display the following acknowledgement:
  12  * ``This product includes software developed by the University of California,
  13  * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
  14  * the University nor the names of its contributors may be used to endorse
  15  * or promote products derived from this software without specific prior
  16  * written permission.
  17  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
  18  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
  19  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  20  */
  21
  22 #ifndef lint
  23 static const char rcsid[] _U_ =
  24     "@(#) $Header: /tcpdump/master/tcpdump/print-udp.c,v 1.138.2.1 2007/03/28 07:45:46 hannes Exp $ (LBL)";
  25 #endif
  26
  27 #ifdef HAVE_CONFIG_H
  28 #include "config.h"
  29 #endif
  30
  31 #include <tcpdump-stdinc.h>
  32
  33 #ifdef SEGSIZE
  34 #undef SEGSIZE
  35 #endif
  36 #include <arpa/tftp.h>
  37
  38 #include <stdio.h>
  39 #include <string.h>
  40
  41 #include "interface.h"
  42 #include "addrtoname.h"
  43 #include "extract.h"
  44 #include "appletalk.h"
  45
  46 #include "udp.h"
  47
  48 #include "ip.h"
  49 #ifdef INET6
  50 #include "ip6.h"
  51 #endif
  52 #include "ipproto.h"
  53 #include "rpc_auth.h"
  54 #include "rpc_msg.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 u_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((u_int16_t)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         u_int len)
 320 {
 321         size_t i;
 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         /* pseudo-header */
 336         memset(&phu, 0, sizeof(phu));
 337         phu.ph.ph_src = ip6->ip6_src;
 338         phu.ph.ph_dst = ip6->ip6_dst;
 339         phu.ph.ph_len = htonl(len);
 340         phu.ph.ph_nxt = IPPROTO_UDP;
 341
 342         sum = 0;
 343         for (i = 0; i < sizeof(phu.pa) / sizeof(phu.pa[0]); i++)
 344                 sum += phu.pa[i];
 345
 346         sp = (const u_int16_t *)up;
 347
 348         for (i = 0; i < (len & ~1); i += 2)
 349                 sum += *sp++;
 350
 351         if (len & 1)
 352                 sum += htons((*(const u_int8_t *)sp) << 8);
 353
 354         while (sum > 0xffff)
 355                 sum = (sum & 0xffff) + (sum >> 16);
 356         sum = ~sum & 0xffff;
 357
 358         return (sum);
 359 }
 360 #endif
 361
 362 static void
 363 udpipaddr_print(const struct ip *ip, int sport, int dport)
 364 {
 365 #ifdef INET6
 366         const struct ip6_hdr *ip6;
 367
 368         if (IP_V(ip) == 6)
 369                 ip6 = (const struct ip6_hdr *)ip;
 370         else
 371                 ip6 = NULL;
 372
 373         if (ip6) {
 374                 if (ip6->ip6_nxt == IPPROTO_UDP) {
 375                         if (sport == -1) {
 376                                 (void)printf("%s > %s: ",
 377                                         ip6addr_string(&ip6->ip6_src),
 378                                         ip6addr_string(&ip6->ip6_dst));
 379                         } else {
 380                                 (void)printf("%s.%s > %s.%s: ",
 381                                         ip6addr_string(&ip6->ip6_src),
 382                                         udpport_string(sport),
 383                                         ip6addr_string(&ip6->ip6_dst),
 384                                         udpport_string(dport));
 385                         }
 386                 } else {
 387                         if (sport != -1) {
 388                                 (void)printf("%s > %s: ",
 389                                         udpport_string(sport),
 390                                         udpport_string(dport));
 391                         }
 392                 }
 393         } else
 394 #endif /*INET6*/
 395         {
 396                 if (ip->ip_p == IPPROTO_UDP) {
 397                         if (sport == -1) {
 398                                 (void)printf("%s > %s: ",
 399                                         ipaddr_string(&ip->ip_src),
 400                                         ipaddr_string(&ip->ip_dst));
 401                         } else {
 402                                 (void)printf("%s.%s > %s.%s: ",
 403                                         ipaddr_string(&ip->ip_src),
 404                                         udpport_string(sport),
 405                                         ipaddr_string(&ip->ip_dst),
 406                                         udpport_string(dport));
 407                         }
 408                 } else {
 409                         if (sport != -1) {
 410                                 (void)printf("%s > %s: ",
 411                                         udpport_string(sport),
 412                                         udpport_string(dport));
 413                         }
 414                 }
 415         }
 416 }
 417
 418 void
 419 udp_print(register const u_char *bp, u_int length,
 420           register const u_char *bp2, int fragmented)
 421 {
 422         register const struct udphdr *up;
 423         register const struct ip *ip;
 424         register const u_char *cp;
 425         register const u_char *ep = bp + length;
 426         u_int16_t sport, dport, ulen;
 427 #ifdef INET6
 428         register const struct ip6_hdr *ip6;
 429 #endif
 430
 431         if (ep > snapend)
 432                 ep = snapend;
 433         up = (struct udphdr *)bp;
 434         ip = (struct ip *)bp2;
 435 #ifdef INET6
 436         if (IP_V(ip) == 6)
 437                 ip6 = (struct ip6_hdr *)bp2;
 438         else
 439                 ip6 = NULL;
 440 #endif /*INET6*/
 441         cp = (u_char *)(up + 1);
 442         if (!TTEST(up->uh_dport)) {
 443                 udpipaddr_print(ip, -1, -1);
 444                 (void)printf("[|udp]");
 445                 return;
 446         }
 447
 448         sport = EXTRACT_16BITS(&up->uh_sport);
 449         dport = EXTRACT_16BITS(&up->uh_dport);
 450
 451         if (length < sizeof(struct udphdr)) {
 452                 udpipaddr_print(ip, sport, dport);
 453                 (void)printf("truncated-udp %d", length);
 454                 return;
 455         }
 456         length -= sizeof(struct udphdr);
 457
 458         if (cp > snapend) {
 459                 udpipaddr_print(ip, sport, dport);
 460                 (void)printf("[|udp]");
 461                 return;
 462         }
 463
 464         ulen = EXTRACT_16BITS(&up->uh_ulen);
 465         if (ulen < 8) {
 466                 udpipaddr_print(ip, sport, dport);
 467                 (void)printf("truncated-udplength %d", ulen);
 468                 return;
 469         }
 470         if (packettype) {
 471                 register struct sunrpc_msg *rp;
 472                 enum sunrpc_msg_type direction;
 473
 474                 switch (packettype) {
 475
 476                 case PT_VAT:
 477                         udpipaddr_print(ip, sport, dport);
 478                         vat_print((void *)(up + 1), up);
 479                         break;
 480
 481                 case PT_WB:
 482                         udpipaddr_print(ip, sport, dport);
 483                         wb_print((void *)(up + 1), length);
 484                         break;
 485
 486                 case PT_RPC:
 487                         rp = (struct sunrpc_msg *)(up + 1);
 488                         direction = (enum sunrpc_msg_type)EXTRACT_32BITS(&rp->rm_direction);
 489                         if (direction == SUNRPC_CALL)
 490                                 sunrpcrequest_print((u_char *)rp, length,
 491                                     (u_char *)ip);
 492                         else
 493                                 nfsreply_print((u_char *)rp, length,
 494                                     (u_char *)ip);                      /*XXX*/
 495                         break;
 496
 497                 case PT_RTP:
 498                         udpipaddr_print(ip, sport, dport);
 499                         rtp_print((void *)(up + 1), length, up);
 500                         break;
 501
 502                 case PT_RTCP:
 503                         udpipaddr_print(ip, sport, dport);
 504                         while (cp < ep)
 505                                 cp = rtcp_print(cp, ep);
 506                         break;
 507
 508                 case PT_SNMP:
 509                         udpipaddr_print(ip, sport, dport);
 510                         snmp_print((const u_char *)(up + 1), length);
 511                         break;
 512
 513                 case PT_CNFP:
 514                         udpipaddr_print(ip, sport, dport);
 515                         cnfp_print(cp, (const u_char *)ip);
 516                         break;
 517
 518                 case PT_TFTP:
 519                         udpipaddr_print(ip, sport, dport);
 520                         tftp_print(cp, length);
 521                         break;
 522
 523                 case PT_AODV:
 524                         udpipaddr_print(ip, sport, dport);
 525                         aodv_print((const u_char *)(up + 1), length,
 526 #ifdef INET6
 527                             ip6 != NULL);
 528 #else
 529                             0);
 530 #endif
 531                         break;
 532                 }
 533                 return;
 534         }
 535
 536         if (!qflag) {
 537                 register struct sunrpc_msg *rp;
 538                 enum sunrpc_msg_type direction;
 539
 540                 rp = (struct sunrpc_msg *)(up + 1);
 541                 if (TTEST(rp->rm_direction)) {
 542                         direction = (enum sunrpc_msg_type)EXTRACT_32BITS(&rp->rm_direction);
 543                         if (dport == NFS_PORT && direction == SUNRPC_CALL) {
 544                                 nfsreq_print((u_char *)rp, length,
 545                                     (u_char *)ip);
 546                                 return;
 547                         }
 548                         if (sport == NFS_PORT && direction == SUNRPC_REPLY) {
 549                                 nfsreply_print((u_char *)rp, length,
 550                                     (u_char *)ip);
 551                                 return;
 552                         }
 553 #ifdef notdef
 554                         if (dport == SUNRPC_PORT && direction == SUNRPC_CALL) {
 555                                 sunrpcrequest_print((u_char *)rp, length, (u_char *)ip);
 556                                 return;
 557                         }
 558 #endif
 559                 }
 560                 if (TTEST(((struct LAP *)cp)->type) &&
 561                     ((struct LAP *)cp)->type == lapDDP &&
 562                     (atalk_port(sport) || atalk_port(dport))) {
 563                         if (vflag)
 564                                 fputs("kip ", stdout);
 565                         llap_print(cp, length);
 566                         return;
 567                 }
 568         }
 569         udpipaddr_print(ip, sport, dport);
 570
 571         if (IP_V(ip) == 4 && (vflag > 1) && !fragmented) {
 572                 int sum = up->uh_sum;
 573                 if (sum == 0) {
 574                         (void)printf("[no cksum] ");
 575                 } else if (TTEST2(cp[0], length)) {
 576                         sum = udp_cksum(ip, up, length + sizeof(struct udphdr));
 577                         if (sum != 0)
 578                                 (void)printf("[bad udp cksum %x!] ", sum);
 579                         else
 580                                 (void)printf("[udp sum ok] ");
 581                 }
 582         }
 583 #ifdef INET6
 584         if (IP_V(ip) == 6 && ip6->ip6_plen && vflag && !fragmented) {
 585                 int sum = up->uh_sum;
 586                 /* for IPv6, UDP checksum is mandatory */
 587                 if (TTEST2(cp[0], length)) {
 588                         sum = udp6_cksum(ip6, up, length + sizeof(struct udphdr));
 589                         if (sum != 0)
 590                                 (void)printf("[bad udp cksum %x!] ", sum);
 591                         else
 592                                 (void)printf("[udp sum ok] ");
 593                 }
 594         }
 595 #endif
 596
 597         if (!qflag) {
 598 #define ISPORT(p) (dport == (p) || sport == (p))
 599                 if (ISPORT(NAMESERVER_PORT))
 600                         ns_print((const u_char *)(up + 1), length, 0);
 601                 else if (ISPORT(MULTICASTDNS_PORT))
 602                         ns_print((const u_char *)(up + 1), length, 1);
 603                 else if (ISPORT(TIMED_PORT))
 604                         timed_print((const u_char *)(up + 1));
 605                 else if (ISPORT(TFTP_PORT))
 606                         tftp_print((const u_char *)(up + 1), length);
 607                 else if (ISPORT(IPPORT_BOOTPC) || ISPORT(IPPORT_BOOTPS))
 608                         bootp_print((const u_char *)(up + 1), length);
 609                 else if (ISPORT(RIP_PORT))
 610                         rip_print((const u_char *)(up + 1), length);
 611                 else if (ISPORT(AODV_PORT))
 612                         aodv_print((const u_char *)(up + 1), length,
 613 #ifdef INET6
 614                             ip6 != NULL);
 615 #else
 616                             0);
 617 #endif
 618                 else if (ISPORT(ISAKMP_PORT))
 619                          isakmp_print(gndo, (const u_char *)(up + 1), length, bp2);
 620                 else if (ISPORT(ISAKMP_PORT_NATT))
 621                          isakmp_rfc3948_print(gndo, (const u_char *)(up + 1), length, bp2);
 622 #if 1 /*???*/
 623                 else if (ISPORT(ISAKMP_PORT_USER1) || ISPORT(ISAKMP_PORT_USER2))
 624                         isakmp_print(gndo, (const u_char *)(up + 1), length, bp2);
 625 #endif
 626                 else if (ISPORT(SNMP_PORT) || ISPORT(SNMPTRAP_PORT))
 627                         snmp_print((const u_char *)(up + 1), length);
 628                 else if (ISPORT(NTP_PORT))
 629                         ntp_print((const u_char *)(up + 1), length);
 630                 else if (ISPORT(KERBEROS_PORT) || ISPORT(KERBEROS_SEC_PORT))
 631                         krb_print((const void *)(up + 1));
 632                 else if (ISPORT(L2TP_PORT))
 633                         l2tp_print((const u_char *)(up + 1), length);
 634 #ifdef TCPDUMP_DO_SMB
 635                 else if (ISPORT(NETBIOS_NS_PORT))
 636                         nbt_udp137_print((const u_char *)(up + 1), length);
 637                 else if (ISPORT(NETBIOS_DGRAM_PORT))
 638                         nbt_udp138_print((const u_char *)(up + 1), length);
 639 #endif
 640                 else if (dport == 3456)
 641                         vat_print((const void *)(up + 1), up);
 642                 else if (ISPORT(ZEPHYR_SRV_PORT) || ISPORT(ZEPHYR_CLT_PORT))
 643                         zephyr_print((const void *)(up + 1), length);
 644                 /*
 645                  * Since there are 10 possible ports to check, I think
 646                  * a <> test would be more efficient
 647                  */
 648                 else if ((sport >= RX_PORT_LOW && sport <= RX_PORT_HIGH) ||
 649                          (dport >= RX_PORT_LOW && dport <= RX_PORT_HIGH))
 650                         rx_print((const void *)(up + 1), length, sport, dport,
 651                                  (u_char *) ip);
 652 #ifdef INET6
 653                 else if (ISPORT(RIPNG_PORT))
 654                         ripng_print((const u_char *)(up + 1), length);
 655                 else if (ISPORT(DHCP6_SERV_PORT) || ISPORT(DHCP6_CLI_PORT)) {
 656                         dhcp6_print((const u_char *)(up + 1), length);
 657                 }
 658 #endif /*INET6*/
 659                 /*
 660                  * Kludge in test for whiteboard packets.
 661                  */
 662                 else if (dport == 4567)
 663                         wb_print((const void *)(up + 1), length);
 664                 else if (ISPORT(CISCO_AUTORP_PORT))
 665                         cisco_autorp_print((const void *)(up + 1), length);
 666                 else if (ISPORT(RADIUS_PORT) ||
 667                          ISPORT(RADIUS_NEW_PORT) ||
 668                          ISPORT(RADIUS_ACCOUNTING_PORT) ||
 669                          ISPORT(RADIUS_NEW_ACCOUNTING_PORT) )
 670                         radius_print((const u_char *)(up+1), length);
 671                 else if (dport == HSRP_PORT)
 672                         hsrp_print((const u_char *)(up + 1), length);
 673                 else if (ISPORT(LWRES_PORT))
 674                         lwres_print((const u_char *)(up + 1), length);
 675                 else if (ISPORT(LDP_PORT))
 676                         ldp_print((const u_char *)(up + 1), length);
 677                 else if (ISPORT(OLSR_PORT))
 678                         olsr_print((const u_char *)(up + 1), length);
 679                 else if (ISPORT(MPLS_LSP_PING_PORT))
 680                         lspping_print((const u_char *)(up + 1), length);
 681                 else if (dport == BFD_CONTROL_PORT ||
 682                          dport == BFD_ECHO_PORT )
 683                         bfd_print((const u_char *)(up+1), length, dport);
 684                 else if (ISPORT(LMP_PORT))
 685                         lmp_print((const u_char *)(up + 1), length);
 686                 else if (ISPORT(SIP_PORT))
 687                         sip_print((const u_char *)(up + 1), length);
 688                 else if (ISPORT(SYSLOG_PORT))
 689                         syslog_print((const u_char *)(up + 1), length);
 690                 else
 691                         (void)printf("UDP, length %u",
 692                             (u_int32_t)(ulen - sizeof(*up)));
 693 #undef ISPORT
 694         } else
 695                 (void)printf("UDP, length %u", (u_int32_t)(ulen - sizeof(*up)));
 696 }
 697
 698
 699 /*
 700  * Local Variables:
 701  * c-style: whitesmith
 702  * c-basic-offset: 8
 703  * End:
 704  */
 705