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 #include <sys/cdefs.h> 23 #ifndef lint 24 __RCSID("$NetBSD: print-udp.c,v 1.10 2023/08/17 20:19:40 christos Exp $"); 25 #endif 26 27 /* \summary: UDP printer */ 28 29 #ifdef HAVE_CONFIG_H 30 #include <config.h> 31 #endif 32 33 #include "netdissect-stdinc.h" 34 35 #include "netdissect.h" 36 #include "addrtoname.h" 37 #include "extract.h" 38 #include "appletalk.h" 39 40 #include "udp.h" 41 42 #include "ip.h" 43 #include "ip6.h" 44 #include "ipproto.h" 45 #include "rpc_auth.h" 46 #include "rpc_msg.h" 47 48 #include "nfs.h" 49 50 51 struct rtcphdr { 52 nd_uint16_t rh_flags; /* T:2 P:1 CNT:5 PT:8 */ 53 nd_uint16_t rh_len; /* length of message (in words) */ 54 nd_uint32_t rh_ssrc; /* synchronization src id */ 55 }; 56 57 typedef struct { 58 nd_uint32_t upper; /* more significant 32 bits */ 59 nd_uint32_t lower; /* less significant 32 bits */ 60 } ntp64; 61 62 /* 63 * Sender report. 64 */ 65 struct rtcp_sr { 66 ntp64 sr_ntp; /* 64-bit ntp timestamp */ 67 nd_uint32_t sr_ts; /* reference media timestamp */ 68 nd_uint32_t sr_np; /* no. packets sent */ 69 nd_uint32_t sr_nb; /* no. bytes sent */ 70 }; 71 72 /* 73 * Receiver report. 74 * Time stamps are middle 32-bits of ntp timestamp. 75 */ 76 struct rtcp_rr { 77 nd_uint32_t rr_srcid; /* sender being reported */ 78 nd_uint32_t rr_nl; /* no. packets lost */ 79 nd_uint32_t rr_ls; /* extended last seq number received */ 80 nd_uint32_t rr_dv; /* jitter (delay variance) */ 81 nd_uint32_t rr_lsr; /* orig. ts from last rr from this src */ 82 nd_uint32_t rr_dlsr; /* time from recpt of last rr to xmit time */ 83 }; 84 85 /*XXX*/ 86 #define RTCP_PT_SR 200 87 #define RTCP_PT_RR 201 88 #define RTCP_PT_SDES 202 89 #define RTCP_SDES_CNAME 1 90 #define RTCP_SDES_NAME 2 91 #define RTCP_SDES_EMAIL 3 92 #define RTCP_SDES_PHONE 4 93 #define RTCP_SDES_LOC 5 94 #define RTCP_SDES_TOOL 6 95 #define RTCP_SDES_NOTE 7 96 #define RTCP_SDES_PRIV 8 97 #define RTCP_PT_BYE 203 98 #define RTCP_PT_APP 204 99 100 static void 101 vat_print(netdissect_options *ndo, const u_char *hdr, u_int length) 102 { 103 /* vat/vt audio */ 104 u_int ts; 105 106 ndo->ndo_protocol = "vat"; 107 if (length < 2) { 108 ND_PRINT("udp/va/vat, length %u < 2", length); 109 return; 110 } 111 ts = GET_BE_U_2(hdr); 112 if ((ts & 0xf060) != 0) { 113 /* probably vt */ 114 ND_PRINT("udp/vt %u %u / %u", 115 length, 116 ts & 0x3ff, ts >> 10); 117 } else { 118 /* probably vat */ 119 uint32_t i0, i1; 120 121 if (length < 8) { 122 ND_PRINT("udp/vat, length %u < 8", length); 123 return; 124 } 125 i0 = GET_BE_U_4(&((const u_int *)hdr)[0]); 126 i1 = GET_BE_U_4(&((const u_int *)hdr)[1]); 127 ND_PRINT("udp/vat %u c%u %u%s", 128 length - 8, 129 i0 & 0xffff, 130 i1, i0 & 0x800000? "*" : ""); 131 /* audio format */ 132 if (i0 & 0x1f0000) 133 ND_PRINT(" f%u", (i0 >> 16) & 0x1f); 134 if (i0 & 0x3f000000) 135 ND_PRINT(" s%u", (i0 >> 24) & 0x3f); 136 } 137 } 138 139 static void 140 rtp_print(netdissect_options *ndo, const u_char *hdr, u_int len) 141 { 142 /* rtp v1 or v2 */ 143 const u_int *ip = (const u_int *)hdr; 144 u_int hasopt, hasext, contype, hasmarker, dlen; 145 uint32_t i0, i1; 146 const char * ptype; 147 148 ndo->ndo_protocol = "rtp"; 149 if (len < 8) { 150 ND_PRINT("udp/rtp, length %u < 8", len); 151 return; 152 } 153 i0 = GET_BE_U_4(&((const u_int *)hdr)[0]); 154 i1 = GET_BE_U_4(&((const u_int *)hdr)[1]); 155 dlen = len - 8; 156 ip += 2; 157 len >>= 2; 158 len -= 2; 159 hasopt = 0; 160 hasext = 0; 161 if ((i0 >> 30) == 1) { 162 /* rtp v1 - draft-ietf-avt-rtp-04 */ 163 hasopt = i0 & 0x800000; 164 contype = (i0 >> 16) & 0x3f; 165 hasmarker = i0 & 0x400000; 166 ptype = "rtpv1"; 167 } else { 168 /* rtp v2 - RFC 3550 */ 169 if (dlen < 4) { 170 ND_PRINT("udp/rtp, length %u < 12", dlen + 8); 171 return; 172 } 173 hasext = i0 & 0x10000000; 174 contype = (i0 >> 16) & 0x7f; 175 hasmarker = i0 & 0x800000; 176 dlen -= 4; 177 ptype = "rtp"; 178 ip += 1; 179 len -= 1; 180 } 181 ND_PRINT("udp/%s %u c%u %s%s %u %u", 182 ptype, 183 dlen, 184 contype, 185 (hasopt || hasext)? "+" : "", 186 hasmarker? "*" : "", 187 i0 & 0xffff, 188 i1); 189 if (ndo->ndo_vflag) { 190 ND_PRINT(" %u", GET_BE_U_4(&((const u_int *)hdr)[2])); 191 if (hasopt) { 192 u_int i2, optlen; 193 do { 194 i2 = GET_BE_U_4(ip); 195 optlen = (i2 >> 16) & 0xff; 196 if (optlen == 0 || optlen > len) { 197 ND_PRINT(" !opt"); 198 return; 199 } 200 ip += optlen; 201 len -= optlen; 202 } while ((int)i2 >= 0); 203 } 204 if (hasext) { 205 u_int i2, extlen; 206 i2 = GET_BE_U_4(ip); 207 extlen = (i2 & 0xffff) + 1; 208 if (extlen > len) { 209 ND_PRINT(" !ext"); 210 return; 211 } 212 ip += extlen; 213 } 214 if (contype == 0x1f) /*XXX H.261 */ 215 ND_PRINT(" 0x%04x", GET_BE_U_4(ip) >> 16); 216 } 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 u_int cnt; 229 double ts, dts; 230 231 ndo->ndo_protocol = "rtcp"; 232 if ((const u_char *)(rh + 1) > ep) 233 goto trunc; 234 ND_TCHECK_SIZE(rh); 235 len = (GET_BE_U_2(rh->rh_len) + 1) * 4; 236 flags = GET_BE_U_2(rh->rh_flags); 237 cnt = (flags >> 8) & 0x1f; 238 switch (flags & 0xff) { 239 case RTCP_PT_SR: 240 sr = (const struct rtcp_sr *)(rh + 1); 241 ND_PRINT(" sr"); 242 if (len != cnt * sizeof(*rr) + sizeof(*sr) + sizeof(*rh)) 243 ND_PRINT(" [%u]", len); 244 if (ndo->ndo_vflag) 245 ND_PRINT(" %u", GET_BE_U_4(rh->rh_ssrc)); 246 if ((const u_char *)(sr + 1) > ep) 247 goto trunc; 248 ND_TCHECK_SIZE(sr); 249 ts = (double)(GET_BE_U_4(sr->sr_ntp.upper)) + 250 ((double)(GET_BE_U_4(sr->sr_ntp.lower)) / 251 FMAXINT); 252 ND_PRINT(" @%.2f %u %up %ub", ts, GET_BE_U_4(sr->sr_ts), 253 GET_BE_U_4(sr->sr_np), GET_BE_U_4(sr->sr_nb)); 254 rr = (const struct rtcp_rr *)(sr + 1); 255 break; 256 case RTCP_PT_RR: 257 ND_PRINT(" rr"); 258 if (len != cnt * sizeof(*rr) + sizeof(*rh)) 259 ND_PRINT(" [%u]", len); 260 rr = (const struct rtcp_rr *)(rh + 1); 261 if (ndo->ndo_vflag) 262 ND_PRINT(" %u", GET_BE_U_4(rh->rh_ssrc)); 263 break; 264 case RTCP_PT_SDES: 265 ND_PRINT(" sdes %u", len); 266 if (ndo->ndo_vflag) 267 ND_PRINT(" %u", GET_BE_U_4(rh->rh_ssrc)); 268 cnt = 0; 269 break; 270 case RTCP_PT_BYE: 271 ND_PRINT(" bye %u", len); 272 if (ndo->ndo_vflag) 273 ND_PRINT(" %u", GET_BE_U_4(rh->rh_ssrc)); 274 cnt = 0; 275 break; 276 default: 277 ND_PRINT(" type-0x%x %u", flags & 0xff, len); 278 cnt = 0; 279 break; 280 } 281 if (cnt > 1) 282 ND_PRINT(" c%u", cnt); 283 while (cnt != 0) { 284 if ((const u_char *)(rr + 1) > ep) 285 goto trunc; 286 ND_TCHECK_SIZE(rr); 287 if (ndo->ndo_vflag) 288 ND_PRINT(" %u", GET_BE_U_4(rr->rr_srcid)); 289 ts = (double)(GET_BE_U_4(rr->rr_lsr)) / 65536.; 290 dts = (double)(GET_BE_U_4(rr->rr_dlsr)) / 65536.; 291 ND_PRINT(" %ul %us %uj @%.2f+%.2f", 292 GET_BE_U_4(rr->rr_nl) & 0x00ffffff, 293 GET_BE_U_4(rr->rr_ls), 294 GET_BE_U_4(rr->rr_dv), ts, dts); 295 cnt--; 296 } 297 return (hdr + len); 298 299 trunc: 300 nd_print_trunc(ndo); 301 return ep; 302 } 303 304 static uint16_t udp_cksum(netdissect_options *ndo, const struct ip *ip, 305 const struct udphdr *up, 306 u_int len) 307 { 308 return nextproto4_cksum(ndo, ip, (const uint8_t *)(const void *)up, len, len, 309 IPPROTO_UDP); 310 } 311 312 static uint16_t udp6_cksum(netdissect_options *ndo, const struct ip6_hdr *ip6, 313 const struct udphdr *up, u_int len) 314 { 315 return nextproto6_cksum(ndo, ip6, (const uint8_t *)(const void *)up, len, len, 316 IPPROTO_UDP); 317 } 318 319 static void 320 udpipaddr_print(netdissect_options *ndo, const struct ip *ip, int sport, int dport) 321 { 322 const struct ip6_hdr *ip6; 323 324 if (IP_V(ip) == 6) 325 ip6 = (const struct ip6_hdr *)ip; 326 else 327 ip6 = NULL; 328 329 if (ip6) { 330 if (GET_U_1(ip6->ip6_nxt) == IPPROTO_UDP) { 331 if (sport == -1) { 332 ND_PRINT("%s > %s: ", 333 GET_IP6ADDR_STRING(ip6->ip6_src), 334 GET_IP6ADDR_STRING(ip6->ip6_dst)); 335 } else { 336 ND_PRINT("%s.%s > %s.%s: ", 337 GET_IP6ADDR_STRING(ip6->ip6_src), 338 udpport_string(ndo, (uint16_t)sport), 339 GET_IP6ADDR_STRING(ip6->ip6_dst), 340 udpport_string(ndo, (uint16_t)dport)); 341 } 342 } else { 343 if (sport != -1) { 344 ND_PRINT("%s > %s: ", 345 udpport_string(ndo, (uint16_t)sport), 346 udpport_string(ndo, (uint16_t)dport)); 347 } 348 } 349 } else { 350 if (GET_U_1(ip->ip_p) == IPPROTO_UDP) { 351 if (sport == -1) { 352 ND_PRINT("%s > %s: ", 353 GET_IPADDR_STRING(ip->ip_src), 354 GET_IPADDR_STRING(ip->ip_dst)); 355 } else { 356 ND_PRINT("%s.%s > %s.%s: ", 357 GET_IPADDR_STRING(ip->ip_src), 358 udpport_string(ndo, (uint16_t)sport), 359 GET_IPADDR_STRING(ip->ip_dst), 360 udpport_string(ndo, (uint16_t)dport)); 361 } 362 } else { 363 if (sport != -1) { 364 ND_PRINT("%s > %s: ", 365 udpport_string(ndo, (uint16_t)sport), 366 udpport_string(ndo, (uint16_t)dport)); 367 } 368 } 369 } 370 } 371 372 UNALIGNED_OK 373 void 374 udp_print(netdissect_options *ndo, const u_char *bp, u_int length, 375 const u_char *bp2, int fragmented, u_int ttl_hl) 376 { 377 const struct udphdr *up; 378 const struct ip *ip; 379 const u_char *cp; 380 const u_char *ep = ndo->ndo_snapend; 381 uint16_t sport, dport; 382 u_int ulen; 383 const struct ip6_hdr *ip6; 384 385 ndo->ndo_protocol = "udp"; 386 up = (const struct udphdr *)bp; 387 ip = (const struct ip *)bp2; 388 if (IP_V(ip) == 6) 389 ip6 = (const struct ip6_hdr *)bp2; 390 else 391 ip6 = NULL; 392 if (!ND_TTEST_2(up->uh_dport)) { 393 udpipaddr_print(ndo, ip, -1, -1); 394 goto trunc; 395 } 396 397 sport = GET_BE_U_2(up->uh_sport); 398 dport = GET_BE_U_2(up->uh_dport); 399 400 if (length < sizeof(struct udphdr)) { 401 udpipaddr_print(ndo, ip, sport, dport); 402 ND_PRINT("truncated-udp %u", length); 403 return; 404 } 405 if (!ND_TTEST_2(up->uh_ulen)) { 406 udpipaddr_print(ndo, ip, sport, dport); 407 goto trunc; 408 } 409 ulen = GET_BE_U_2(up->uh_ulen); 410 /* 411 * IPv6 Jumbo Datagrams; see RFC 2675. 412 * If the length is zero, and the length provided to us is 413 * > 65535, use the provided length as the length. 414 */ 415 if (ulen == 0 && length > 65535) 416 ulen = length; 417 if (ulen < sizeof(struct udphdr)) { 418 udpipaddr_print(ndo, ip, sport, dport); 419 ND_PRINT("truncated-udplength %u", ulen); 420 return; 421 } 422 ulen -= sizeof(struct udphdr); 423 length -= sizeof(struct udphdr); 424 if (ulen < length) 425 length = ulen; 426 427 cp = (const u_char *)(up + 1); 428 if (cp > ndo->ndo_snapend) { 429 udpipaddr_print(ndo, ip, sport, dport); 430 goto trunc; 431 } 432 433 if (ndo->ndo_packettype) { 434 const struct sunrpc_msg *rp; 435 enum sunrpc_msg_type direction; 436 437 switch (ndo->ndo_packettype) { 438 439 case PT_VAT: 440 udpipaddr_print(ndo, ip, sport, dport); 441 vat_print(ndo, cp, length); 442 break; 443 444 case PT_WB: 445 udpipaddr_print(ndo, ip, sport, dport); 446 wb_print(ndo, cp, length); 447 break; 448 449 case PT_RPC: 450 rp = (const struct sunrpc_msg *)cp; 451 direction = (enum sunrpc_msg_type) GET_BE_U_4(rp->rm_direction); 452 if (direction == SUNRPC_CALL) 453 sunrpc_print(ndo, (const u_char *)rp, length, 454 (const u_char *)ip); 455 else 456 nfsreply_print(ndo, (const u_char *)rp, length, 457 (const u_char *)ip); /*XXX*/ 458 break; 459 460 case PT_RTP: 461 udpipaddr_print(ndo, ip, sport, dport); 462 rtp_print(ndo, cp, length); 463 break; 464 465 case PT_RTCP: 466 udpipaddr_print(ndo, ip, sport, dport); 467 while (cp < ep) 468 cp = rtcp_print(ndo, cp, ep); 469 break; 470 471 case PT_SNMP: 472 udpipaddr_print(ndo, ip, sport, dport); 473 snmp_print(ndo, cp, length); 474 break; 475 476 case PT_CNFP: 477 udpipaddr_print(ndo, ip, sport, dport); 478 cnfp_print(ndo, cp); 479 break; 480 481 case PT_TFTP: 482 udpipaddr_print(ndo, ip, sport, dport); 483 tftp_print(ndo, cp, length); 484 break; 485 486 case PT_AODV: 487 udpipaddr_print(ndo, ip, sport, dport); 488 aodv_print(ndo, cp, length, 489 ip6 != NULL); 490 break; 491 492 case PT_RADIUS: 493 udpipaddr_print(ndo, ip, sport, dport); 494 radius_print(ndo, cp, length); 495 break; 496 497 case PT_VXLAN: 498 udpipaddr_print(ndo, ip, sport, dport); 499 vxlan_print(ndo, cp, length); 500 break; 501 502 case PT_PGM: 503 case PT_PGM_ZMTP1: 504 udpipaddr_print(ndo, ip, sport, dport); 505 pgm_print(ndo, cp, length, bp2); 506 break; 507 case PT_LMP: 508 udpipaddr_print(ndo, ip, sport, dport); 509 lmp_print(ndo, cp, length); 510 break; 511 case PT_PTP: 512 udpipaddr_print(ndo, ip, sport, dport); 513 ptp_print(ndo, cp, length); 514 break; 515 case PT_SOMEIP: 516 udpipaddr_print(ndo, ip, sport, dport); 517 someip_print(ndo, cp, length); 518 break; 519 case PT_DOMAIN: 520 udpipaddr_print(ndo, ip, sport, dport); 521 /* over_tcp: FALSE, is_mdns: FALSE */ 522 domain_print(ndo, cp, length, FALSE, FALSE); 523 break; 524 } 525 return; 526 } 527 528 udpipaddr_print(ndo, ip, sport, dport); 529 if (!ndo->ndo_qflag) { 530 const struct sunrpc_msg *rp; 531 enum sunrpc_msg_type direction; 532 533 rp = (const struct sunrpc_msg *)cp; 534 if (ND_TTEST_4(rp->rm_direction)) { 535 direction = (enum sunrpc_msg_type) GET_BE_U_4(rp->rm_direction); 536 if (dport == NFS_PORT && direction == SUNRPC_CALL) { 537 ND_PRINT("NFS request xid %u ", 538 GET_BE_U_4(rp->rm_xid)); 539 nfsreq_noaddr_print(ndo, (const u_char *)rp, length, 540 (const u_char *)ip); 541 return; 542 } 543 if (sport == NFS_PORT && direction == SUNRPC_REPLY) { 544 ND_PRINT("NFS reply xid %u ", 545 GET_BE_U_4(rp->rm_xid)); 546 nfsreply_noaddr_print(ndo, (const u_char *)rp, length, 547 (const u_char *)ip); 548 return; 549 } 550 #ifdef notdef 551 if (dport == SUNRPC_PORT && direction == SUNRPC_CALL) { 552 sunrpc_print((const u_char *)rp, length, (const u_char *)ip); 553 return; 554 } 555 #endif 556 } 557 } 558 559 if (ndo->ndo_vflag && !ndo->ndo_Kflag && !fragmented) { 560 /* Check the checksum, if possible. */ 561 uint16_t sum, udp_sum; 562 563 /* 564 * XXX - do this even if vflag == 1? 565 * TCP does, and we do so for UDP-over-IPv6. 566 */ 567 if (IP_V(ip) == 4 && (ndo->ndo_vflag > 1)) { 568 udp_sum = GET_BE_U_2(up->uh_sum); 569 if (udp_sum == 0) { 570 ND_PRINT("[no cksum] "); 571 } else if (ND_TTEST_LEN(cp, length)) { 572 sum = udp_cksum(ndo, ip, up, length + sizeof(struct udphdr)); 573 574 if (sum != 0) { 575 ND_PRINT("[bad udp cksum 0x%04x -> 0x%04x!] ", 576 udp_sum, 577 in_cksum_shouldbe(udp_sum, sum)); 578 } else 579 ND_PRINT("[udp sum ok] "); 580 } 581 } 582 else if (IP_V(ip) == 6) { 583 /* for IPv6, UDP checksum is mandatory */ 584 if (ND_TTEST_LEN(cp, length)) { 585 sum = udp6_cksum(ndo, ip6, up, length + sizeof(struct udphdr)); 586 udp_sum = GET_BE_U_2(up->uh_sum); 587 588 if (sum != 0) { 589 ND_PRINT("[bad udp cksum 0x%04x -> 0x%04x!] ", 590 udp_sum, 591 in_cksum_shouldbe(udp_sum, sum)); 592 } else 593 ND_PRINT("[udp sum ok] "); 594 } 595 } 596 } 597 598 if (!ndo->ndo_qflag) { 599 if (IS_SRC_OR_DST_PORT(NAMESERVER_PORT)) 600 /* over_tcp: FALSE, is_mdns: FALSE */ 601 domain_print(ndo, cp, length, FALSE, FALSE); 602 else if (IS_SRC_OR_DST_PORT(MULTICASTDNS_PORT)) 603 /* over_tcp: FALSE, is_mdns: TRUE */ 604 domain_print(ndo, cp, length, FALSE, TRUE); 605 else if (IS_SRC_OR_DST_PORT(TIMED_PORT)) 606 timed_print(ndo, (const u_char *)cp); 607 else if (IS_SRC_OR_DST_PORT(TFTP_PORT)) 608 tftp_print(ndo, cp, length); 609 else if (IS_SRC_OR_DST_PORT(BOOTPC_PORT) || IS_SRC_OR_DST_PORT(BOOTPS_PORT)) 610 bootp_print(ndo, cp, length); 611 else if (IS_SRC_OR_DST_PORT(RIP_PORT)) 612 rip_print(ndo, cp, length); 613 else if (IS_SRC_OR_DST_PORT(AODV_PORT)) 614 aodv_print(ndo, cp, length, 615 ip6 != NULL); 616 else if (IS_SRC_OR_DST_PORT(ISAKMP_PORT)) 617 isakmp_print(ndo, cp, length, bp2); 618 else if (IS_SRC_OR_DST_PORT(ISAKMP_PORT_NATT)) 619 isakmp_rfc3948_print(ndo, cp, length, bp2, IP_V(ip), fragmented, ttl_hl); 620 else if (IS_SRC_OR_DST_PORT(ISAKMP_PORT_USER1) || IS_SRC_OR_DST_PORT(ISAKMP_PORT_USER2)) 621 isakmp_print(ndo, cp, length, bp2); 622 else if (IS_SRC_OR_DST_PORT(SNMP_PORT) || IS_SRC_OR_DST_PORT(SNMPTRAP_PORT)) 623 snmp_print(ndo, cp, length); 624 else if (IS_SRC_OR_DST_PORT(NTP_PORT)) 625 ntp_print(ndo, cp, length); 626 else if (IS_SRC_OR_DST_PORT(KERBEROS_PORT) || IS_SRC_OR_DST_PORT(KERBEROS_SEC_PORT)) 627 krb_print(ndo, (const u_char *)cp); 628 else if (IS_SRC_OR_DST_PORT(L2TP_PORT)) 629 l2tp_print(ndo, cp, length); 630 #ifdef ENABLE_SMB 631 else if (IS_SRC_OR_DST_PORT(NETBIOS_NS_PORT)) 632 nbt_udp137_print(ndo, cp, length); 633 else if (IS_SRC_OR_DST_PORT(NETBIOS_DGRAM_PORT)) 634 nbt_udp138_print(ndo, cp, length); 635 #endif 636 else if (dport == VAT_PORT) 637 vat_print(ndo, cp, length); 638 else if (IS_SRC_OR_DST_PORT(ZEPHYR_SRV_PORT) || IS_SRC_OR_DST_PORT(ZEPHYR_CLT_PORT)) 639 zephyr_print(ndo, cp, length); 640 /* 641 * Since there are 10 possible ports to check, I think 642 * a <> test would be more efficient 643 */ 644 else if ((sport >= RX_PORT_LOW && sport <= RX_PORT_HIGH) || 645 (dport >= RX_PORT_LOW && dport <= RX_PORT_HIGH)) 646 rx_print(ndo, cp, length, sport, dport, 647 (const u_char *) ip); 648 else if (IS_SRC_OR_DST_PORT(RIPNG_PORT)) 649 ripng_print(ndo, cp, length); 650 else if (IS_SRC_OR_DST_PORT(DHCP6_SERV_PORT) || IS_SRC_OR_DST_PORT(DHCP6_CLI_PORT)) 651 dhcp6_print(ndo, cp, length); 652 else if (IS_SRC_OR_DST_PORT(AHCP_PORT)) 653 ahcp_print(ndo, cp, length); 654 else if (IS_SRC_OR_DST_PORT(BABEL_PORT) || IS_SRC_OR_DST_PORT(BABEL_PORT_OLD)) 655 babel_print(ndo, cp, length); 656 else if (IS_SRC_OR_DST_PORT(HNCP_PORT)) 657 hncp_print(ndo, cp, length); 658 /* 659 * Kludge in test for whiteboard packets. 660 */ 661 else if (dport == WB_PORT) 662 wb_print(ndo, cp, length); 663 else if (IS_SRC_OR_DST_PORT(CISCO_AUTORP_PORT)) 664 cisco_autorp_print(ndo, cp, length); 665 else if (IS_SRC_OR_DST_PORT(RADIUS_PORT) || 666 IS_SRC_OR_DST_PORT(RADIUS_NEW_PORT) || 667 IS_SRC_OR_DST_PORT(RADIUS_ACCOUNTING_PORT) || 668 IS_SRC_OR_DST_PORT(RADIUS_NEW_ACCOUNTING_PORT) || 669 IS_SRC_OR_DST_PORT(RADIUS_CISCO_COA_PORT) || 670 IS_SRC_OR_DST_PORT(RADIUS_COA_PORT) ) 671 radius_print(ndo, cp, length); 672 else if (dport == HSRP_PORT) 673 hsrp_print(ndo, cp, length); 674 else if (IS_SRC_OR_DST_PORT(LWRES_PORT)) 675 lwres_print(ndo, cp, length); 676 else if (IS_SRC_OR_DST_PORT(LDP_PORT)) 677 ldp_print(ndo, cp, length); 678 else if (IS_SRC_OR_DST_PORT(OLSR_PORT)) 679 olsr_print(ndo, cp, length, 680 (IP_V(ip) == 6) ? 1 : 0); 681 else if (IS_SRC_OR_DST_PORT(MPLS_LSP_PING_PORT)) 682 lspping_print(ndo, cp, length); 683 else if (sport == BCM_LI_PORT) 684 bcm_li_print(ndo, cp, length); 685 else if (dport == BFD_CONTROL_PORT || 686 dport == BFD_MULTIHOP_PORT || 687 dport == BFD_LAG_PORT || 688 dport == BFD_ECHO_PORT ) 689 bfd_print(ndo, cp, length, dport); 690 else if (IS_SRC_OR_DST_PORT(LMP_PORT)) 691 lmp_print(ndo, cp, length); 692 else if (IS_SRC_OR_DST_PORT(VQP_PORT)) 693 vqp_print(ndo, cp, length); 694 else if (IS_SRC_OR_DST_PORT(SFLOW_PORT)) 695 sflow_print(ndo, cp, length); 696 else if (dport == LWAPP_CONTROL_PORT) 697 lwapp_control_print(ndo, cp, length, 1); 698 else if (sport == LWAPP_CONTROL_PORT) 699 lwapp_control_print(ndo, cp, length, 0); 700 else if (IS_SRC_OR_DST_PORT(LWAPP_DATA_PORT)) 701 lwapp_data_print(ndo, cp, length); 702 else if (IS_SRC_OR_DST_PORT(SIP_PORT)) 703 sip_print(ndo, cp, length); 704 else if (IS_SRC_OR_DST_PORT(SYSLOG_PORT)) 705 syslog_print(ndo, cp, length); 706 else if (IS_SRC_OR_DST_PORT(OTV_PORT)) 707 otv_print(ndo, cp, length); 708 else if (IS_SRC_OR_DST_PORT(VXLAN_PORT)) 709 vxlan_print(ndo, cp, length); 710 else if (dport == GENEVE_PORT) 711 geneve_print(ndo, cp, length); 712 else if (IS_SRC_OR_DST_PORT(LISP_CONTROL_PORT)) 713 lisp_print(ndo, cp, length); 714 else if (IS_SRC_OR_DST_PORT(VXLAN_GPE_PORT)) 715 vxlan_gpe_print(ndo, cp, length); 716 else if (IS_SRC_OR_DST_PORT(ZEP_PORT)) 717 zep_print(ndo, cp, length); 718 else if (IS_SRC_OR_DST_PORT(MPLS_PORT)) 719 mpls_print(ndo, cp, length); 720 else if (ND_TTEST_1(((const struct LAP *)cp)->type) && 721 GET_U_1(((const struct LAP *)cp)->type) == lapDDP && 722 (atalk_port(sport) || atalk_port(dport))) { 723 if (ndo->ndo_vflag) 724 ND_PRINT("kip "); 725 llap_print(ndo, cp, length); 726 } else if (IS_SRC_OR_DST_PORT(PTP_EVENT_PORT) || 727 IS_SRC_OR_DST_PORT(PTP_GENERAL_PORT)) { 728 ptp_print(ndo, cp, length); 729 } else if (IS_SRC_OR_DST_PORT(SOMEIP_PORT)) 730 someip_print(ndo, cp, length); 731 else { 732 if (ulen > length && !fragmented) 733 ND_PRINT("UDP, bad length %u > %u", 734 ulen, length); 735 else 736 ND_PRINT("UDP, length %u", ulen); 737 } 738 } else { 739 if (ulen > length && !fragmented) 740 ND_PRINT("UDP, bad length %u > %u", 741 ulen, length); 742 else 743 ND_PRINT("UDP, length %u", ulen); 744 } 745 return; 746 747 trunc: 748 nd_print_trunc(ndo); 749 } 750