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 1.12 2026/03/19 00:05:13 christos Exp $"); 25 #endif 26 27 /* \summary: UDP printer */ 28 29 #include <config.h> 30 31 #include "netdissect-stdinc.h" 32 33 #include "netdissect.h" 34 #include "addrtoname.h" 35 #include "extract.h" 36 #include "appletalk.h" 37 38 #include "udp.h" 39 40 #include "ip.h" 41 #include "ip6.h" 42 #include "ipproto.h" 43 #include "rpc_auth.h" 44 #include "rpc_msg.h" 45 46 #include "nfs.h" 47 48 49 struct rtcphdr { 50 nd_uint16_t rh_flags; /* T:2 P:1 CNT:5 PT:8 */ 51 nd_uint16_t rh_len; /* length of message (in words) */ 52 nd_uint32_t rh_ssrc; /* synchronization src id */ 53 }; 54 55 typedef struct { 56 nd_uint32_t upper; /* more significant 32 bits */ 57 nd_uint32_t lower; /* less significant 32 bits */ 58 } ntp64; 59 60 /* 61 * Sender report. 62 */ 63 struct rtcp_sr { 64 ntp64 sr_ntp; /* 64-bit ntp timestamp */ 65 nd_uint32_t sr_ts; /* reference media timestamp */ 66 nd_uint32_t sr_np; /* no. packets sent */ 67 nd_uint32_t sr_nb; /* no. bytes sent */ 68 }; 69 70 /* 71 * Receiver report. 72 * Time stamps are middle 32-bits of ntp timestamp. 73 */ 74 struct rtcp_rr { 75 nd_uint32_t rr_srcid; /* sender being reported */ 76 nd_uint32_t rr_nl; /* no. packets lost */ 77 nd_uint32_t rr_ls; /* extended last seq number received */ 78 nd_uint32_t rr_dv; /* jitter (delay variance) */ 79 nd_uint32_t rr_lsr; /* orig. ts from last rr from this src */ 80 nd_uint32_t rr_dlsr; /* time from recpt of last rr to xmit time */ 81 }; 82 83 /*XXX*/ 84 #define RTCP_PT_SR 200 85 #define RTCP_PT_RR 201 86 #define RTCP_PT_SDES 202 87 #define RTCP_SDES_CNAME 1 88 #define RTCP_SDES_NAME 2 89 #define RTCP_SDES_EMAIL 3 90 #define RTCP_SDES_PHONE 4 91 #define RTCP_SDES_LOC 5 92 #define RTCP_SDES_TOOL 6 93 #define RTCP_SDES_NOTE 7 94 #define RTCP_SDES_PRIV 8 95 #define RTCP_PT_BYE 203 96 #define RTCP_PT_APP 204 97 98 static void 99 vat_print(netdissect_options *ndo, const u_char *hdr, u_int length) 100 { 101 /* vat/vt audio */ 102 u_int ts; 103 104 ndo->ndo_protocol = "vat"; 105 if (length < 2) { 106 ND_PRINT("udp/va/vat, length %u < 2", length); 107 return; 108 } 109 ts = GET_BE_U_2(hdr); 110 if ((ts & 0xf060) != 0) { 111 /* probably vt */ 112 ND_PRINT("udp/vt %u %u / %u", 113 length, 114 ts & 0x3ff, ts >> 10); 115 } else { 116 /* probably vat */ 117 uint32_t i0, i1; 118 119 if (length < 8) { 120 ND_PRINT("udp/vat, length %u < 8", length); 121 return; 122 } 123 i0 = GET_BE_U_4(&((const u_int *)hdr)[0]); 124 i1 = GET_BE_U_4(&((const u_int *)hdr)[1]); 125 ND_PRINT("udp/vat %u c%u %u%s", 126 length - 8, 127 i0 & 0xffff, 128 i1, i0 & 0x800000? "*" : ""); 129 /* audio format */ 130 if (i0 & 0x1f0000) 131 ND_PRINT(" f%u", (i0 >> 16) & 0x1f); 132 if (i0 & 0x3f000000) 133 ND_PRINT(" s%u", (i0 >> 24) & 0x3f); 134 } 135 } 136 137 static void 138 rtp_print(netdissect_options *ndo, const u_char *hdr, u_int len) 139 { 140 /* rtp v1 or v2 */ 141 const u_int *ip = (const u_int *)hdr; 142 u_int hasopt, hasext, contype, hasmarker, dlen; 143 uint32_t i0, i1; 144 const char * ptype; 145 146 ndo->ndo_protocol = "rtp"; 147 if (len < 8) { 148 ND_PRINT("udp/rtp, length %u < 8", len); 149 return; 150 } 151 i0 = GET_BE_U_4(&((const u_int *)hdr)[0]); 152 i1 = GET_BE_U_4(&((const u_int *)hdr)[1]); 153 dlen = len - 8; 154 ip += 2; 155 len >>= 2; 156 len -= 2; 157 hasopt = 0; 158 hasext = 0; 159 if ((i0 >> 30) == 1) { 160 /* rtp v1 - draft-ietf-avt-rtp-04 */ 161 hasopt = i0 & 0x800000; 162 contype = (i0 >> 16) & 0x3f; 163 hasmarker = i0 & 0x400000; 164 ptype = "rtpv1"; 165 } else { 166 /* rtp v2 - RFC 3550 */ 167 if (dlen < 4) { 168 ND_PRINT("udp/rtp, length %u < 12", dlen + 8); 169 return; 170 } 171 hasext = i0 & 0x10000000; 172 contype = (i0 >> 16) & 0x7f; 173 hasmarker = i0 & 0x800000; 174 dlen -= 4; 175 ptype = "rtp"; 176 ip += 1; 177 len -= 1; 178 } 179 ND_PRINT("udp/%s %u c%u %s%s %u %u", 180 ptype, 181 dlen, 182 contype, 183 (hasopt || hasext)? "+" : "", 184 hasmarker? "*" : "", 185 i0 & 0xffff, 186 i1); 187 if (ndo->ndo_vflag) { 188 ND_PRINT(" %u", GET_BE_U_4(&((const u_int *)hdr)[2])); 189 if (hasopt) { 190 u_int i2, optlen; 191 do { 192 i2 = GET_BE_U_4(ip); 193 optlen = (i2 >> 16) & 0xff; 194 if (optlen == 0 || optlen > len) { 195 ND_PRINT(" !opt"); 196 return; 197 } 198 ip += optlen; 199 len -= optlen; 200 } while ((int)i2 >= 0); 201 } 202 if (hasext) { 203 u_int i2, extlen; 204 i2 = GET_BE_U_4(ip); 205 extlen = (i2 & 0xffff) + 1; 206 if (extlen > len) { 207 ND_PRINT(" !ext"); 208 return; 209 } 210 ip += extlen; 211 } 212 if (contype == 0x1f) /*XXX H.261 */ 213 ND_PRINT(" 0x%04x", GET_BE_U_4(ip) >> 16); 214 } 215 } 216 217 static const u_char * 218 rtcp_print(netdissect_options *ndo, const u_char *hdr, const u_char *ep) 219 { 220 /* rtp v2 control (rtcp) */ 221 const struct rtcp_rr *rr = 0; 222 const struct rtcp_sr *sr; 223 const struct rtcphdr *rh = (const struct rtcphdr *)hdr; 224 u_int len; 225 uint16_t flags; 226 u_int cnt; 227 double ts, dts; 228 229 ndo->ndo_protocol = "rtcp"; 230 if ((const u_char *)(rh + 1) > ep) 231 goto trunc; 232 ND_TCHECK_SIZE(rh); 233 len = (GET_BE_U_2(rh->rh_len) + 1) * 4; 234 flags = GET_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(" sr"); 240 if (len != cnt * sizeof(*rr) + sizeof(*sr) + sizeof(*rh)) 241 ND_PRINT(" [%u]", len); 242 if (ndo->ndo_vflag) 243 ND_PRINT(" %u", GET_BE_U_4(rh->rh_ssrc)); 244 if ((const u_char *)(sr + 1) > ep) 245 goto trunc; 246 ND_TCHECK_SIZE(sr); 247 ts = (double)(GET_BE_U_4(sr->sr_ntp.upper)) + 248 ((double)(GET_BE_U_4(sr->sr_ntp.lower)) / 249 FMAXINT); 250 ND_PRINT(" @%.2f %u %up %ub", ts, GET_BE_U_4(sr->sr_ts), 251 GET_BE_U_4(sr->sr_np), GET_BE_U_4(sr->sr_nb)); 252 rr = (const struct rtcp_rr *)(sr + 1); 253 break; 254 case RTCP_PT_RR: 255 ND_PRINT(" rr"); 256 if (len != cnt * sizeof(*rr) + sizeof(*rh)) 257 ND_PRINT(" [%u]", len); 258 rr = (const struct rtcp_rr *)(rh + 1); 259 if (ndo->ndo_vflag) 260 ND_PRINT(" %u", GET_BE_U_4(rh->rh_ssrc)); 261 break; 262 case RTCP_PT_SDES: 263 ND_PRINT(" sdes %u", len); 264 if (ndo->ndo_vflag) 265 ND_PRINT(" %u", GET_BE_U_4(rh->rh_ssrc)); 266 cnt = 0; 267 break; 268 case RTCP_PT_BYE: 269 ND_PRINT(" bye %u", len); 270 if (ndo->ndo_vflag) 271 ND_PRINT(" %u", GET_BE_U_4(rh->rh_ssrc)); 272 cnt = 0; 273 break; 274 default: 275 ND_PRINT(" type-0x%x %u", flags & 0xff, len); 276 cnt = 0; 277 break; 278 } 279 if (cnt > 1) 280 ND_PRINT(" c%u", cnt); 281 while (cnt != 0) { 282 if ((const u_char *)(rr + 1) > ep) 283 goto trunc; 284 ND_TCHECK_SIZE(rr); 285 if (ndo->ndo_vflag) 286 ND_PRINT(" %u", GET_BE_U_4(rr->rr_srcid)); 287 ts = (double)(GET_BE_U_4(rr->rr_lsr)) / 65536.; 288 dts = (double)(GET_BE_U_4(rr->rr_dlsr)) / 65536.; 289 ND_PRINT(" %ul %us %uj @%.2f+%.2f", 290 GET_BE_U_4(rr->rr_nl) & 0x00ffffff, 291 GET_BE_U_4(rr->rr_ls), 292 GET_BE_U_4(rr->rr_dv), ts, dts); 293 cnt--; 294 } 295 return (hdr + len); 296 297 trunc: 298 nd_print_trunc(ndo); 299 return ep; 300 } 301 302 static uint16_t udp_cksum(netdissect_options *ndo, const struct ip *ip, 303 const struct udphdr *up, 304 u_int len) 305 { 306 return nextproto4_cksum(ndo, ip, (const uint8_t *)(const void *)up, len, len, 307 IPPROTO_UDP); 308 } 309 310 static uint16_t udp6_cksum(netdissect_options *ndo, const struct ip6_hdr *ip6, 311 const struct udphdr *up, u_int len) 312 { 313 return nextproto6_cksum(ndo, ip6, (const uint8_t *)(const void *)up, len, len, 314 IPPROTO_UDP); 315 } 316 317 static void 318 udpipaddr_print(netdissect_options *ndo, const struct ip *ip, int sport, int dport) 319 { 320 const struct ip6_hdr *ip6; 321 322 if (IP_V(ip) == 6) 323 ip6 = (const struct ip6_hdr *)ip; 324 else 325 ip6 = NULL; 326 327 if (ip6) { 328 if (GET_U_1(ip6->ip6_nxt) == IPPROTO_UDP) { 329 if (sport == -1) { 330 ND_PRINT("%s > %s: ", 331 GET_IP6ADDR_STRING(ip6->ip6_src), 332 GET_IP6ADDR_STRING(ip6->ip6_dst)); 333 } else { 334 ND_PRINT("%s.%s > %s.%s: ", 335 GET_IP6ADDR_STRING(ip6->ip6_src), 336 udpport_string(ndo, (uint16_t)sport), 337 GET_IP6ADDR_STRING(ip6->ip6_dst), 338 udpport_string(ndo, (uint16_t)dport)); 339 } 340 } else { 341 if (sport != -1) { 342 ND_PRINT("%s > %s: ", 343 udpport_string(ndo, (uint16_t)sport), 344 udpport_string(ndo, (uint16_t)dport)); 345 } 346 } 347 } else { 348 if (GET_U_1(ip->ip_p) == IPPROTO_UDP) { 349 if (sport == -1) { 350 ND_PRINT("%s > %s: ", 351 GET_IPADDR_STRING(ip->ip_src), 352 GET_IPADDR_STRING(ip->ip_dst)); 353 } else { 354 ND_PRINT("%s.%s > %s.%s: ", 355 GET_IPADDR_STRING(ip->ip_src), 356 udpport_string(ndo, (uint16_t)sport), 357 GET_IPADDR_STRING(ip->ip_dst), 358 udpport_string(ndo, (uint16_t)dport)); 359 } 360 } else { 361 if (sport != -1) { 362 ND_PRINT("%s > %s: ", 363 udpport_string(ndo, (uint16_t)sport), 364 udpport_string(ndo, (uint16_t)dport)); 365 } 366 } 367 } 368 } 369 370 UNALIGNED_OK 371 void 372 udp_print(netdissect_options *ndo, const u_char *bp, u_int length, 373 const u_char *bp2, int fragmented, u_int ttl_hl) 374 { 375 const struct udphdr *up; 376 const struct ip *ip; 377 const u_char *cp; 378 const u_char *ep = ndo->ndo_snapend; 379 uint16_t sport, dport; 380 u_int ulen; 381 const struct ip6_hdr *ip6; 382 383 ndo->ndo_protocol = "udp"; 384 up = (const struct udphdr *)bp; 385 ip = (const struct ip *)bp2; 386 if (IP_V(ip) == 6) 387 ip6 = (const struct ip6_hdr *)bp2; 388 else 389 ip6 = NULL; 390 if (!ND_TTEST_2(up->uh_dport)) { 391 udpipaddr_print(ndo, ip, -1, -1); 392 goto trunc; 393 } 394 395 sport = GET_BE_U_2(up->uh_sport); 396 dport = GET_BE_U_2(up->uh_dport); 397 398 if (length < sizeof(struct udphdr)) { 399 udpipaddr_print(ndo, ip, sport, dport); 400 ND_PRINT("truncated-udp %u", length); 401 return; 402 } 403 if (!ND_TTEST_2(up->uh_ulen)) { 404 udpipaddr_print(ndo, ip, sport, dport); 405 goto trunc; 406 } 407 ulen = GET_BE_U_2(up->uh_ulen); 408 /* 409 * IPv6 Jumbo Datagrams; see RFC 2675. 410 * If the length is zero, and the length provided to us is 411 * > 65535, use the provided length as the length. 412 */ 413 if (ulen == 0 && length > 65535) 414 ulen = length; 415 if (ulen < sizeof(struct udphdr)) { 416 udpipaddr_print(ndo, ip, sport, dport); 417 ND_PRINT("truncated-udplength %u", ulen); 418 return; 419 } 420 ulen -= sizeof(struct udphdr); 421 length -= sizeof(struct udphdr); 422 if (ulen < length) 423 length = ulen; 424 425 cp = (const u_char *)(up + 1); 426 if (cp > ndo->ndo_snapend) { 427 udpipaddr_print(ndo, ip, sport, dport); 428 goto trunc; 429 } 430 431 if (ndo->ndo_packettype) { 432 const struct sunrpc_msg *rp; 433 enum sunrpc_msg_type direction; 434 435 switch (ndo->ndo_packettype) { 436 437 case PT_VAT: 438 udpipaddr_print(ndo, ip, sport, dport); 439 vat_print(ndo, cp, length); 440 break; 441 442 case PT_WB: 443 udpipaddr_print(ndo, ip, sport, dport); 444 wb_print(ndo, cp, length); 445 break; 446 447 case PT_RPC: 448 rp = (const struct sunrpc_msg *)cp; 449 direction = (enum sunrpc_msg_type) GET_BE_U_4(rp->rm_direction); 450 if (direction == SUNRPC_CALL) 451 sunrpc_print(ndo, (const u_char *)rp, length, 452 (const u_char *)ip); 453 else 454 nfsreply_print(ndo, (const u_char *)rp, length, 455 (const u_char *)ip); /*XXX*/ 456 break; 457 458 case PT_RTP: 459 udpipaddr_print(ndo, ip, sport, dport); 460 rtp_print(ndo, cp, length); 461 break; 462 463 case PT_RTCP: 464 udpipaddr_print(ndo, ip, sport, dport); 465 while (cp < ep) 466 cp = rtcp_print(ndo, cp, ep); 467 break; 468 469 case PT_SNMP: 470 udpipaddr_print(ndo, ip, sport, dport); 471 snmp_print(ndo, cp, length); 472 break; 473 474 case PT_CNFP: 475 udpipaddr_print(ndo, ip, sport, dport); 476 cnfp_print(ndo, cp); 477 break; 478 479 case PT_TFTP: 480 udpipaddr_print(ndo, ip, sport, dport); 481 tftp_print(ndo, cp, length); 482 break; 483 484 case PT_AODV: 485 udpipaddr_print(ndo, ip, sport, dport); 486 aodv_print(ndo, cp, length, IP_V(ip) == 6); 487 break; 488 489 case PT_RADIUS: 490 udpipaddr_print(ndo, ip, sport, dport); 491 radius_print(ndo, cp, length); 492 break; 493 494 case PT_VXLAN: 495 udpipaddr_print(ndo, ip, sport, dport); 496 vxlan_print(ndo, cp, length); 497 break; 498 499 case PT_PGM: 500 case PT_PGM_ZMTP1: 501 udpipaddr_print(ndo, ip, sport, dport); 502 pgm_print(ndo, cp, length, bp2); 503 break; 504 case PT_LMP: 505 udpipaddr_print(ndo, ip, sport, dport); 506 lmp_print(ndo, cp, length); 507 break; 508 case PT_PTP: 509 udpipaddr_print(ndo, ip, sport, dport); 510 ptp_print(ndo, cp, length); 511 break; 512 case PT_SOMEIP: 513 udpipaddr_print(ndo, ip, sport, dport); 514 someip_print(ndo, cp, length); 515 break; 516 case PT_DOMAIN: 517 udpipaddr_print(ndo, ip, sport, dport); 518 /* over_tcp: FALSE, is_mdns: FALSE */ 519 domain_print(ndo, cp, length, FALSE, FALSE); 520 break; 521 } 522 return; 523 } 524 525 udpipaddr_print(ndo, ip, sport, dport); 526 if (!ndo->ndo_qflag) { 527 const struct sunrpc_msg *rp; 528 enum sunrpc_msg_type direction; 529 530 rp = (const struct sunrpc_msg *)cp; 531 if (ND_TTEST_4(rp->rm_direction)) { 532 direction = (enum sunrpc_msg_type) GET_BE_U_4(rp->rm_direction); 533 if (dport == NFS_PORT && direction == SUNRPC_CALL) { 534 ND_PRINT("NFS request xid %u ", 535 GET_BE_U_4(rp->rm_xid)); 536 nfsreq_noaddr_print(ndo, (const u_char *)rp, length, 537 (const u_char *)ip); 538 return; 539 } 540 if (sport == NFS_PORT && direction == SUNRPC_REPLY) { 541 ND_PRINT("NFS reply xid %u ", 542 GET_BE_U_4(rp->rm_xid)); 543 nfsreply_noaddr_print(ndo, (const u_char *)rp, length, 544 (const u_char *)ip); 545 return; 546 } 547 #ifdef notdef 548 if (dport == SUNRPC_PORT && direction == SUNRPC_CALL) { 549 sunrpc_print((const u_char *)rp, length, (const u_char *)ip); 550 return; 551 } 552 #endif 553 } 554 } 555 556 if (ndo->ndo_vflag && !ndo->ndo_Kflag && !fragmented) { 557 /* Check the checksum, if possible. */ 558 uint16_t sum, udp_sum; 559 560 /* 561 * XXX - do this even if vflag == 1? 562 * TCP does, and we do so for UDP-over-IPv6. 563 */ 564 if (IP_V(ip) == 4 && (ndo->ndo_vflag > 1)) { 565 udp_sum = GET_BE_U_2(up->uh_sum); 566 if (udp_sum == 0) { 567 ND_PRINT("[no cksum] "); 568 } else if (ND_TTEST_LEN(cp, length)) { 569 sum = udp_cksum(ndo, ip, up, length + sizeof(struct udphdr)); 570 571 if (sum != 0) { 572 ND_PRINT("[bad udp cksum 0x%04x -> 0x%04x!] ", 573 udp_sum, 574 in_cksum_shouldbe(udp_sum, sum)); 575 } else 576 ND_PRINT("[udp sum ok] "); 577 } 578 } else if (IP_V(ip) == 6) { 579 /* for IPv6, UDP checksum is mandatory */ 580 if (ND_TTEST_LEN(cp, length)) { 581 sum = udp6_cksum(ndo, ip6, up, length + sizeof(struct udphdr)); 582 udp_sum = GET_BE_U_2(up->uh_sum); 583 584 if (sum != 0) { 585 ND_PRINT("[bad udp cksum 0x%04x -> 0x%04x!] ", 586 udp_sum, 587 in_cksum_shouldbe(udp_sum, sum)); 588 } else 589 ND_PRINT("[udp sum ok] "); 590 } 591 } 592 } 593 594 if (!ndo->ndo_qflag) { 595 if (IS_SRC_OR_DST_PORT(NAMESERVER_PORT)) 596 /* over_tcp: FALSE, is_mdns: FALSE */ 597 domain_print(ndo, cp, length, FALSE, FALSE); 598 else if (IS_SRC_OR_DST_PORT(BOOTPC_PORT) || 599 IS_SRC_OR_DST_PORT(BOOTPS_PORT)) 600 bootp_print(ndo, cp, length); 601 else if (IS_SRC_OR_DST_PORT(TFTP_PORT)) 602 tftp_print(ndo, cp, length); 603 else if (IS_SRC_OR_DST_PORT(KERBEROS_PORT)) 604 krb_print(ndo, (const u_char *)cp); 605 else if (IS_SRC_OR_DST_PORT(NTP_PORT)) 606 ntp_print(ndo, cp, length); 607 #ifdef ENABLE_SMB 608 else if (IS_SRC_OR_DST_PORT(NETBIOS_NS_PORT)) 609 nbt_udp137_print(ndo, cp, length); 610 else if (IS_SRC_OR_DST_PORT(NETBIOS_DGRAM_PORT)) 611 nbt_udp138_print(ndo, cp, length); 612 #endif 613 else if (IS_SRC_OR_DST_PORT(SNMP_PORT) || 614 IS_SRC_OR_DST_PORT(SNMPTRAP_PORT)) 615 snmp_print(ndo, cp, length); 616 else if (IS_SRC_OR_DST_PORT(PTP_EVENT_PORT) || 617 IS_SRC_OR_DST_PORT(PTP_GENERAL_PORT)) 618 ptp_print(ndo, cp, length); 619 else if (IS_SRC_OR_DST_PORT(CISCO_AUTORP_PORT)) 620 cisco_autorp_print(ndo, cp, length); 621 else if (IS_SRC_OR_DST_PORT(ISAKMP_PORT)) 622 isakmp_print(ndo, cp, length, bp2); 623 else if (IS_SRC_OR_DST_PORT(SYSLOG_PORT)) 624 syslog_print(ndo, cp, length); 625 else if (IS_SRC_OR_DST_PORT(RIP_PORT)) 626 rip_print(ndo, cp, length); 627 else if (IS_SRC_OR_DST_PORT(RIPNG_PORT)) 628 ripng_print(ndo, cp, length); 629 else if (IS_SRC_OR_DST_PORT(TIMED_PORT)) 630 timed_print(ndo, (const u_char *)cp); 631 else if (IS_SRC_OR_DST_PORT(DHCP6_SERV_PORT) || 632 IS_SRC_OR_DST_PORT(DHCP6_CLI_PORT)) 633 dhcp6_print(ndo, cp, length); 634 else if (IS_SRC_OR_DST_PORT(LDP_PORT)) 635 ldp_print(ndo, cp, length); 636 else if (IS_SRC_OR_DST_PORT(AODV_PORT)) 637 aodv_print(ndo, cp, length, IP_V(ip) == 6); 638 else if (IS_SRC_OR_DST_PORT(OLSR_PORT)) 639 olsr_print(ndo, cp, length, IP_V(ip) == 6); 640 else if (IS_SRC_OR_DST_PORT(LMP_PORT)) 641 lmp_print(ndo, cp, length); 642 else if (IS_SRC_OR_DST_PORT(KERBEROS_SEC_PORT)) 643 krb_print(ndo, (const u_char *)cp); 644 else if (IS_SRC_OR_DST_PORT(LWRES_PORT)) 645 lwres_print(ndo, cp, length); 646 else if (IS_SRC_OR_DST_PORT(MULTICASTDNS_PORT)) 647 /* over_tcp: FALSE, is_mdns: TRUE */ 648 domain_print(ndo, cp, length, FALSE, TRUE); 649 else if (IS_SRC_OR_DST_PORT(ISAKMP_PORT_NATT)) 650 isakmp_rfc3948_print(ndo, cp, length, bp2, IP_V(ip), fragmented, ttl_hl); 651 else if (IS_SRC_OR_DST_PORT(ISAKMP_PORT_USER1) || IS_SRC_OR_DST_PORT(ISAKMP_PORT_USER2)) 652 isakmp_print(ndo, cp, length, bp2); 653 else if (IS_SRC_OR_DST_PORT(L2TP_PORT)) 654 l2tp_print(ndo, cp, length); 655 else if (dport == VAT_PORT) 656 vat_print(ndo, cp, length); 657 else if (IS_SRC_OR_DST_PORT(ZEPHYR_SRV_PORT) || IS_SRC_OR_DST_PORT(ZEPHYR_CLT_PORT)) 658 zephyr_print(ndo, cp, length); 659 /* 660 * Since there are 10 possible ports to check, I think 661 * a <> test would be more efficient 662 */ 663 else if ((sport >= RX_PORT_LOW && sport <= RX_PORT_HIGH) || 664 (dport >= RX_PORT_LOW && dport <= RX_PORT_HIGH)) 665 rx_print(ndo, cp, length, sport, dport, 666 (const u_char *) ip); 667 else if (IS_SRC_OR_DST_PORT(AHCP_PORT)) 668 ahcp_print(ndo, cp, length); 669 else if (IS_SRC_OR_DST_PORT(BABEL_PORT) || IS_SRC_OR_DST_PORT(BABEL_PORT_OLD)) 670 babel_print(ndo, cp, length); 671 else if (IS_SRC_OR_DST_PORT(HNCP_PORT)) 672 hncp_print(ndo, cp, length); 673 /* 674 * Kludge in test for whiteboard packets. 675 */ 676 else if (dport == WB_PORT) 677 wb_print(ndo, cp, length); 678 else if (IS_SRC_OR_DST_PORT(RADIUS_PORT) || 679 IS_SRC_OR_DST_PORT(RADIUS_NEW_PORT) || 680 IS_SRC_OR_DST_PORT(RADIUS_ACCOUNTING_PORT) || 681 IS_SRC_OR_DST_PORT(RADIUS_NEW_ACCOUNTING_PORT) || 682 IS_SRC_OR_DST_PORT(RADIUS_CISCO_COA_PORT) || 683 IS_SRC_OR_DST_PORT(RADIUS_COA_PORT) ) 684 radius_print(ndo, cp, length); 685 else if (dport == HSRP_PORT) 686 hsrp_print(ndo, cp, length); 687 else if (IS_SRC_OR_DST_PORT(MPLS_LSP_PING_PORT)) 688 lspping_print(ndo, cp, length); 689 else if (dport == BFD_CONTROL_PORT || 690 dport == BFD_MULTIHOP_PORT || 691 dport == BFD_LAG_PORT || 692 dport == BFD_ECHO_PORT ) 693 bfd_print(ndo, cp, length, dport); 694 else if (IS_SRC_OR_DST_PORT(VQP_PORT)) 695 vqp_print(ndo, cp, length); 696 else if (IS_SRC_OR_DST_PORT(SFLOW_PORT)) 697 sflow_print(ndo, cp, length); 698 else if (dport == LWAPP_CONTROL_PORT) 699 lwapp_control_print(ndo, cp, length, 1); 700 else if (sport == LWAPP_CONTROL_PORT) 701 lwapp_control_print(ndo, cp, length, 0); 702 else if (IS_SRC_OR_DST_PORT(LWAPP_DATA_PORT)) 703 lwapp_data_print(ndo, cp, length); 704 else if (IS_SRC_OR_DST_PORT(SIP_PORT)) 705 sip_print(ndo, cp, length); 706 else if (IS_SRC_OR_DST_PORT(VXLAN_LINUX_PORT)) 707 vxlan_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(SOMEIP_PORT)) 727 someip_print(ndo, cp, length); 728 else if (sport == BCM_LI_PORT) 729 bcm_li_print(ndo, cp, length); 730 else { 731 if (ulen > length && !fragmented) 732 ND_PRINT("UDP, bad length %u > %u", 733 ulen, length); 734 else 735 ND_PRINT("UDP, length %u", ulen); 736 } 737 } else { 738 if (ulen > length && !fragmented) 739 ND_PRINT("UDP, bad length %u > %u", 740 ulen, length); 741 else 742 ND_PRINT("UDP, length %u", ulen); 743 } 744 return; 745 746 trunc: 747 nd_print_trunc(ndo); 748 } 749
Indexes created Tue Jun 23 00:25:03 UTC 2026