print-udp.c revision 1.1.1.6
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 #ifdef HAVE_CONFIG_H 23 #include "config.h" 24 #endif 25 26 #include <netdissect-stdinc.h> 27 28 #include "netdissect.h" 29 #include "addrtoname.h" 30 #include "extract.h" 31 #include "appletalk.h" 32 33 #include "udp.h" 34 35 #include "ip.h" 36 #include "ip6.h" 37 #include "ipproto.h" 38 #include "rpc_auth.h" 39 #include "rpc_msg.h" 40 41 #include "nfs.h" 42 43 struct rtcphdr { 44 uint16_t rh_flags; /* T:2 P:1 CNT:5 PT:8 */ 45 uint16_t rh_len; /* length of message (in words) */ 46 uint32_t rh_ssrc; /* synchronization src id */ 47 }; 48 49 typedef struct { 50 uint32_t upper; /* more significant 32 bits */ 51 uint32_t lower; /* less significant 32 bits */ 52 } ntp64; 53 54 /* 55 * Sender report. 56 */ 57 struct rtcp_sr { 58 ntp64 sr_ntp; /* 64-bit ntp timestamp */ 59 uint32_t sr_ts; /* reference media timestamp */ 60 uint32_t sr_np; /* no. packets sent */ 61 uint32_t sr_nb; /* no. bytes sent */ 62 }; 63 64 /* 65 * Receiver report. 66 * Time stamps are middle 32-bits of ntp timestamp. 67 */ 68 struct rtcp_rr { 69 uint32_t rr_srcid; /* sender being reported */ 70 uint32_t rr_nl; /* no. packets lost */ 71 uint32_t rr_ls; /* extended last seq number received */ 72 uint32_t rr_dv; /* jitter (delay variance) */ 73 uint32_t rr_lsr; /* orig. ts from last rr from this src */ 74 uint32_t rr_dlsr; /* time from recpt of last rr to xmit time */ 75 }; 76 77 /*XXX*/ 78 #define RTCP_PT_SR 200 79 #define RTCP_PT_RR 201 80 #define RTCP_PT_SDES 202 81 #define RTCP_SDES_CNAME 1 82 #define RTCP_SDES_NAME 2 83 #define RTCP_SDES_EMAIL 3 84 #define RTCP_SDES_PHONE 4 85 #define RTCP_SDES_LOC 5 86 #define RTCP_SDES_TOOL 6 87 #define RTCP_SDES_NOTE 7 88 #define RTCP_SDES_PRIV 8 89 #define RTCP_PT_BYE 203 90 #define RTCP_PT_APP 204 91 92 static void 93 vat_print(netdissect_options *ndo, const void *hdr, register const struct udphdr *up) 94 { 95 /* vat/vt audio */ 96 u_int ts = EXTRACT_16BITS(hdr); 97 if ((ts & 0xf060) != 0) { 98 /* probably vt */ 99 ND_PRINT((ndo, "udp/vt %u %d / %d", 100 (uint32_t)(EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up)), 101 ts & 0x3ff, ts >> 10)); 102 } else { 103 /* probably vat */ 104 uint32_t i0 = EXTRACT_32BITS(&((const u_int *)hdr)[0]); 105 uint32_t i1 = EXTRACT_32BITS(&((const u_int *)hdr)[1]); 106 ND_PRINT((ndo, "udp/vat %u c%d %u%s", 107 (uint32_t)(EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up) - 8), 108 i0 & 0xffff, 109 i1, i0 & 0x800000? "*" : "")); 110 /* audio format */ 111 if (i0 & 0x1f0000) 112 ND_PRINT((ndo, " f%d", (i0 >> 16) & 0x1f)); 113 if (i0 & 0x3f000000) 114 ND_PRINT((ndo, " s%d", (i0 >> 24) & 0x3f)); 115 } 116 } 117 118 static void 119 rtp_print(netdissect_options *ndo, const void *hdr, u_int len, 120 register const struct udphdr *up) 121 { 122 /* rtp v1 or v2 */ 123 const u_int *ip = (const u_int *)hdr; 124 u_int hasopt, hasext, contype, hasmarker; 125 uint32_t i0 = EXTRACT_32BITS(&((const u_int *)hdr)[0]); 126 uint32_t i1 = EXTRACT_32BITS(&((const u_int *)hdr)[1]); 127 u_int dlen = EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up) - 8; 128 const char * ptype; 129 130 ip += 2; 131 len >>= 2; 132 len -= 2; 133 hasopt = 0; 134 hasext = 0; 135 if ((i0 >> 30) == 1) { 136 /* rtp v1 */ 137 hasopt = i0 & 0x800000; 138 contype = (i0 >> 16) & 0x3f; 139 hasmarker = i0 & 0x400000; 140 ptype = "rtpv1"; 141 } else { 142 /* rtp v2 */ 143 hasext = i0 & 0x10000000; 144 contype = (i0 >> 16) & 0x7f; 145 hasmarker = i0 & 0x800000; 146 dlen -= 4; 147 ptype = "rtp"; 148 ip += 1; 149 len -= 1; 150 } 151 ND_PRINT((ndo, "udp/%s %d c%d %s%s %d %u", 152 ptype, 153 dlen, 154 contype, 155 (hasopt || hasext)? "+" : "", 156 hasmarker? "*" : "", 157 i0 & 0xffff, 158 i1)); 159 if (ndo->ndo_vflag) { 160 ND_PRINT((ndo, " %u", EXTRACT_32BITS(&((const u_int *)hdr)[2]))); 161 if (hasopt) { 162 u_int i2, optlen; 163 do { 164 i2 = ip[0]; 165 optlen = (i2 >> 16) & 0xff; 166 if (optlen == 0 || optlen > len) { 167 ND_PRINT((ndo, " !opt")); 168 return; 169 } 170 ip += optlen; 171 len -= optlen; 172 } while ((int)i2 >= 0); 173 } 174 if (hasext) { 175 u_int i2, extlen; 176 i2 = ip[0]; 177 extlen = (i2 & 0xffff) + 1; 178 if (extlen > len) { 179 ND_PRINT((ndo, " !ext")); 180 return; 181 } 182 ip += extlen; 183 } 184 if (contype == 0x1f) /*XXX H.261 */ 185 ND_PRINT((ndo, " 0x%04x", ip[0] >> 16)); 186 } 187 } 188 189 static const u_char * 190 rtcp_print(netdissect_options *ndo, const u_char *hdr, const u_char *ep) 191 { 192 /* rtp v2 control (rtcp) */ 193 const struct rtcp_rr *rr = 0; 194 const struct rtcp_sr *sr; 195 const struct rtcphdr *rh = (const struct rtcphdr *)hdr; 196 u_int len; 197 uint16_t flags; 198 int cnt; 199 double ts, dts; 200 if ((const u_char *)(rh + 1) > ep) { 201 ND_PRINT((ndo, " [|rtcp]")); 202 return (ep); 203 } 204 len = (EXTRACT_16BITS(&rh->rh_len) + 1) * 4; 205 flags = EXTRACT_16BITS(&rh->rh_flags); 206 cnt = (flags >> 8) & 0x1f; 207 switch (flags & 0xff) { 208 case RTCP_PT_SR: 209 sr = (const struct rtcp_sr *)(rh + 1); 210 ND_PRINT((ndo, " sr")); 211 if (len != cnt * sizeof(*rr) + sizeof(*sr) + sizeof(*rh)) 212 ND_PRINT((ndo, " [%d]", len)); 213 if (ndo->ndo_vflag) 214 ND_PRINT((ndo, " %u", EXTRACT_32BITS(&rh->rh_ssrc))); 215 if ((const u_char *)(sr + 1) > ep) { 216 ND_PRINT((ndo, " [|rtcp]")); 217 return (ep); 218 } 219 ts = (double)(EXTRACT_32BITS(&sr->sr_ntp.upper)) + 220 ((double)(EXTRACT_32BITS(&sr->sr_ntp.lower)) / 221 4294967296.0); 222 ND_PRINT((ndo, " @%.2f %u %up %ub", ts, EXTRACT_32BITS(&sr->sr_ts), 223 EXTRACT_32BITS(&sr->sr_np), EXTRACT_32BITS(&sr->sr_nb))); 224 rr = (const struct rtcp_rr *)(sr + 1); 225 break; 226 case RTCP_PT_RR: 227 ND_PRINT((ndo, " rr")); 228 if (len != cnt * sizeof(*rr) + sizeof(*rh)) 229 ND_PRINT((ndo, " [%d]", len)); 230 rr = (const struct rtcp_rr *)(rh + 1); 231 if (ndo->ndo_vflag) 232 ND_PRINT((ndo, " %u", EXTRACT_32BITS(&rh->rh_ssrc))); 233 break; 234 case RTCP_PT_SDES: 235 ND_PRINT((ndo, " sdes %d", len)); 236 if (ndo->ndo_vflag) 237 ND_PRINT((ndo, " %u", EXTRACT_32BITS(&rh->rh_ssrc))); 238 cnt = 0; 239 break; 240 case RTCP_PT_BYE: 241 ND_PRINT((ndo, " bye %d", len)); 242 if (ndo->ndo_vflag) 243 ND_PRINT((ndo, " %u", EXTRACT_32BITS(&rh->rh_ssrc))); 244 cnt = 0; 245 break; 246 default: 247 ND_PRINT((ndo, " type-0x%x %d", flags & 0xff, len)); 248 cnt = 0; 249 break; 250 } 251 if (cnt > 1) 252 ND_PRINT((ndo, " c%d", cnt)); 253 while (--cnt >= 0) { 254 if ((const u_char *)(rr + 1) > ep) { 255 ND_PRINT((ndo, " [|rtcp]")); 256 return (ep); 257 } 258 if (ndo->ndo_vflag) 259 ND_PRINT((ndo, " %u", EXTRACT_32BITS(&rr->rr_srcid))); 260 ts = (double)(EXTRACT_32BITS(&rr->rr_lsr)) / 65536.; 261 dts = (double)(EXTRACT_32BITS(&rr->rr_dlsr)) / 65536.; 262 ND_PRINT((ndo, " %ul %us %uj @%.2f+%.2f", 263 EXTRACT_32BITS(&rr->rr_nl) & 0x00ffffff, 264 EXTRACT_32BITS(&rr->rr_ls), 265 EXTRACT_32BITS(&rr->rr_dv), ts, dts)); 266 } 267 return (hdr + len); 268 } 269 270 static int udp_cksum(netdissect_options *ndo, register const struct ip *ip, 271 register const struct udphdr *up, 272 register u_int len) 273 { 274 return nextproto4_cksum(ndo, ip, (const uint8_t *)(const void *)up, len, len, 275 IPPROTO_UDP); 276 } 277 278 static int udp6_cksum(netdissect_options *ndo, const struct ip6_hdr *ip6, 279 const struct udphdr *up, u_int len) 280 { 281 return nextproto6_cksum(ndo, ip6, (const uint8_t *)(const void *)up, len, len, 282 IPPROTO_UDP); 283 } 284 285 static void 286 udpipaddr_print(netdissect_options *ndo, const struct ip *ip, int sport, int dport) 287 { 288 const struct ip6_hdr *ip6; 289 290 if (IP_V(ip) == 6) 291 ip6 = (const struct ip6_hdr *)ip; 292 else 293 ip6 = NULL; 294 295 if (ip6) { 296 if (ip6->ip6_nxt == IPPROTO_UDP) { 297 if (sport == -1) { 298 ND_PRINT((ndo, "%s > %s: ", 299 ip6addr_string(ndo, &ip6->ip6_src), 300 ip6addr_string(ndo, &ip6->ip6_dst))); 301 } else { 302 ND_PRINT((ndo, "%s.%s > %s.%s: ", 303 ip6addr_string(ndo, &ip6->ip6_src), 304 udpport_string(ndo, sport), 305 ip6addr_string(ndo, &ip6->ip6_dst), 306 udpport_string(ndo, dport))); 307 } 308 } else { 309 if (sport != -1) { 310 ND_PRINT((ndo, "%s > %s: ", 311 udpport_string(ndo, sport), 312 udpport_string(ndo, dport))); 313 } 314 } 315 } else { 316 if (ip->ip_p == IPPROTO_UDP) { 317 if (sport == -1) { 318 ND_PRINT((ndo, "%s > %s: ", 319 ipaddr_string(ndo, &ip->ip_src), 320 ipaddr_string(ndo, &ip->ip_dst))); 321 } else { 322 ND_PRINT((ndo, "%s.%s > %s.%s: ", 323 ipaddr_string(ndo, &ip->ip_src), 324 udpport_string(ndo, sport), 325 ipaddr_string(ndo, &ip->ip_dst), 326 udpport_string(ndo, dport))); 327 } 328 } else { 329 if (sport != -1) { 330 ND_PRINT((ndo, "%s > %s: ", 331 udpport_string(ndo, sport), 332 udpport_string(ndo, dport))); 333 } 334 } 335 } 336 } 337 338 void 339 udp_print(netdissect_options *ndo, register const u_char *bp, u_int length, 340 register const u_char *bp2, int fragmented) 341 { 342 register const struct udphdr *up; 343 register const struct ip *ip; 344 register const u_char *cp; 345 register const u_char *ep = bp + length; 346 uint16_t sport, dport, ulen; 347 register const struct ip6_hdr *ip6; 348 349 if (ep > ndo->ndo_snapend) 350 ep = ndo->ndo_snapend; 351 up = (const struct udphdr *)bp; 352 ip = (const struct ip *)bp2; 353 if (IP_V(ip) == 6) 354 ip6 = (const struct ip6_hdr *)bp2; 355 else 356 ip6 = NULL; 357 if (!ND_TTEST(up->uh_dport)) { 358 udpipaddr_print(ndo, ip, -1, -1); 359 ND_PRINT((ndo, "[|udp]")); 360 return; 361 } 362 363 sport = EXTRACT_16BITS(&up->uh_sport); 364 dport = EXTRACT_16BITS(&up->uh_dport); 365 366 if (length < sizeof(struct udphdr)) { 367 udpipaddr_print(ndo, ip, sport, dport); 368 ND_PRINT((ndo, "truncated-udp %d", length)); 369 return; 370 } 371 ulen = EXTRACT_16BITS(&up->uh_ulen); 372 if (ulen < sizeof(struct udphdr)) { 373 udpipaddr_print(ndo, ip, sport, dport); 374 ND_PRINT((ndo, "truncated-udplength %d", ulen)); 375 return; 376 } 377 ulen -= sizeof(struct udphdr); 378 length -= sizeof(struct udphdr); 379 if (ulen < length) 380 length = ulen; 381 382 cp = (const u_char *)(up + 1); 383 if (cp > ndo->ndo_snapend) { 384 udpipaddr_print(ndo, ip, sport, dport); 385 ND_PRINT((ndo, "[|udp]")); 386 return; 387 } 388 389 if (ndo->ndo_packettype) { 390 register const struct sunrpc_msg *rp; 391 enum sunrpc_msg_type direction; 392 393 switch (ndo->ndo_packettype) { 394 395 case PT_VAT: 396 udpipaddr_print(ndo, ip, sport, dport); 397 vat_print(ndo, (const void *)(up + 1), up); 398 break; 399 400 case PT_WB: 401 udpipaddr_print(ndo, ip, sport, dport); 402 wb_print(ndo, (const void *)(up + 1), length); 403 break; 404 405 case PT_RPC: 406 rp = (const struct sunrpc_msg *)(up + 1); 407 direction = (enum sunrpc_msg_type)EXTRACT_32BITS(&rp->rm_direction); 408 if (direction == SUNRPC_CALL) 409 sunrpcrequest_print(ndo, (const u_char *)rp, length, 410 (const u_char *)ip); 411 else 412 nfsreply_print(ndo, (const u_char *)rp, length, 413 (const u_char *)ip); /*XXX*/ 414 break; 415 416 case PT_RTP: 417 udpipaddr_print(ndo, ip, sport, dport); 418 rtp_print(ndo, (const void *)(up + 1), length, up); 419 break; 420 421 case PT_RTCP: 422 udpipaddr_print(ndo, ip, sport, dport); 423 while (cp < ep) 424 cp = rtcp_print(ndo, cp, ep); 425 break; 426 427 case PT_SNMP: 428 udpipaddr_print(ndo, ip, sport, dport); 429 snmp_print(ndo, (const u_char *)(up + 1), length); 430 break; 431 432 case PT_CNFP: 433 udpipaddr_print(ndo, ip, sport, dport); 434 cnfp_print(ndo, cp); 435 break; 436 437 case PT_TFTP: 438 udpipaddr_print(ndo, ip, sport, dport); 439 tftp_print(ndo, cp, length); 440 break; 441 442 case PT_AODV: 443 udpipaddr_print(ndo, ip, sport, dport); 444 aodv_print(ndo, (const u_char *)(up + 1), length, 445 ip6 != NULL); 446 break; 447 448 case PT_RADIUS: 449 udpipaddr_print(ndo, ip, sport, dport); 450 radius_print(ndo, cp, length); 451 break; 452 453 case PT_VXLAN: 454 udpipaddr_print(ndo, ip, sport, dport); 455 vxlan_print(ndo, (const u_char *)(up + 1), length); 456 break; 457 458 case PT_PGM: 459 case PT_PGM_ZMTP1: 460 udpipaddr_print(ndo, ip, sport, dport); 461 pgm_print(ndo, cp, length, bp2); 462 break; 463 case PT_LMP: 464 udpipaddr_print(ndo, ip, sport, dport); 465 lmp_print(ndo, cp, length); 466 break; 467 } 468 return; 469 } 470 471 udpipaddr_print(ndo, ip, sport, dport); 472 if (!ndo->ndo_qflag) { 473 register const struct sunrpc_msg *rp; 474 enum sunrpc_msg_type direction; 475 476 rp = (const struct sunrpc_msg *)(up + 1); 477 if (ND_TTEST(rp->rm_direction)) { 478 direction = (enum sunrpc_msg_type)EXTRACT_32BITS(&rp->rm_direction); 479 if (dport == NFS_PORT && direction == SUNRPC_CALL) { 480 ND_PRINT((ndo, "NFS request xid %u ", EXTRACT_32BITS(&rp->rm_xid))); 481 nfsreq_print_noaddr(ndo, (const u_char *)rp, length, 482 (const u_char *)ip); 483 return; 484 } 485 if (sport == NFS_PORT && direction == SUNRPC_REPLY) { 486 ND_PRINT((ndo, "NFS reply xid %u ", EXTRACT_32BITS(&rp->rm_xid))); 487 nfsreply_print_noaddr(ndo, (const u_char *)rp, length, 488 (const u_char *)ip); 489 return; 490 } 491 #ifdef notdef 492 if (dport == SUNRPC_PORT && direction == SUNRPC_CALL) { 493 sunrpcrequest_print((const u_char *)rp, length, (const u_char *)ip); 494 return; 495 } 496 #endif 497 } 498 } 499 500 if (ndo->ndo_vflag && !ndo->ndo_Kflag && !fragmented) { 501 /* Check the checksum, if possible. */ 502 uint16_t sum, udp_sum; 503 504 /* 505 * XXX - do this even if vflag == 1? 506 * TCP does, and we do so for UDP-over-IPv6. 507 */ 508 if (IP_V(ip) == 4 && (ndo->ndo_vflag > 1)) { 509 udp_sum = EXTRACT_16BITS(&up->uh_sum); 510 if (udp_sum == 0) { 511 ND_PRINT((ndo, "[no cksum] ")); 512 } else if (ND_TTEST2(cp[0], length)) { 513 sum = udp_cksum(ndo, ip, up, length + sizeof(struct udphdr)); 514 515 if (sum != 0) { 516 ND_PRINT((ndo, "[bad udp cksum 0x%04x -> 0x%04x!] ", 517 udp_sum, 518 in_cksum_shouldbe(udp_sum, sum))); 519 } else 520 ND_PRINT((ndo, "[udp sum ok] ")); 521 } 522 } 523 else if (IP_V(ip) == 6 && ip6->ip6_plen) { 524 /* for IPv6, UDP checksum is mandatory */ 525 if (ND_TTEST2(cp[0], length)) { 526 sum = udp6_cksum(ndo, ip6, up, length + sizeof(struct udphdr)); 527 udp_sum = EXTRACT_16BITS(&up->uh_sum); 528 529 if (sum != 0) { 530 ND_PRINT((ndo, "[bad udp cksum 0x%04x -> 0x%04x!] ", 531 udp_sum, 532 in_cksum_shouldbe(udp_sum, sum))); 533 } else 534 ND_PRINT((ndo, "[udp sum ok] ")); 535 } 536 } 537 } 538 539 if (!ndo->ndo_qflag) { 540 if (IS_SRC_OR_DST_PORT(NAMESERVER_PORT)) 541 ns_print(ndo, (const u_char *)(up + 1), length, 0); 542 else if (IS_SRC_OR_DST_PORT(MULTICASTDNS_PORT)) 543 ns_print(ndo, (const u_char *)(up + 1), length, 1); 544 else if (IS_SRC_OR_DST_PORT(TIMED_PORT)) 545 timed_print(ndo, (const u_char *)(up + 1)); 546 else if (IS_SRC_OR_DST_PORT(TFTP_PORT)) 547 tftp_print(ndo, (const u_char *)(up + 1), length); 548 else if (IS_SRC_OR_DST_PORT(BOOTPC_PORT) || IS_SRC_OR_DST_PORT(BOOTPS_PORT)) 549 bootp_print(ndo, (const u_char *)(up + 1), length); 550 else if (IS_SRC_OR_DST_PORT(RIP_PORT)) 551 rip_print(ndo, (const u_char *)(up + 1), length); 552 else if (IS_SRC_OR_DST_PORT(AODV_PORT)) 553 aodv_print(ndo, (const u_char *)(up + 1), length, 554 ip6 != NULL); 555 else if (IS_SRC_OR_DST_PORT(ISAKMP_PORT)) 556 isakmp_print(ndo, (const u_char *)(up + 1), length, bp2); 557 else if (IS_SRC_OR_DST_PORT(ISAKMP_PORT_NATT)) 558 isakmp_rfc3948_print(ndo, (const u_char *)(up + 1), length, bp2); 559 #if 1 /*???*/ 560 else if (IS_SRC_OR_DST_PORT(ISAKMP_PORT_USER1) || IS_SRC_OR_DST_PORT(ISAKMP_PORT_USER2)) 561 isakmp_print(ndo, (const u_char *)(up + 1), length, bp2); 562 #endif 563 else if (IS_SRC_OR_DST_PORT(SNMP_PORT) || IS_SRC_OR_DST_PORT(SNMPTRAP_PORT)) 564 snmp_print(ndo, (const u_char *)(up + 1), length); 565 else if (IS_SRC_OR_DST_PORT(NTP_PORT)) 566 ntp_print(ndo, (const u_char *)(up + 1), length); 567 else if (IS_SRC_OR_DST_PORT(KERBEROS_PORT) || IS_SRC_OR_DST_PORT(KERBEROS_SEC_PORT)) 568 krb_print(ndo, (const void *)(up + 1)); 569 else if (IS_SRC_OR_DST_PORT(L2TP_PORT)) 570 l2tp_print(ndo, (const u_char *)(up + 1), length); 571 #ifdef ENABLE_SMB 572 else if (IS_SRC_OR_DST_PORT(NETBIOS_NS_PORT)) 573 nbt_udp137_print(ndo, (const u_char *)(up + 1), length); 574 else if (IS_SRC_OR_DST_PORT(NETBIOS_DGRAM_PORT)) 575 nbt_udp138_print(ndo, (const u_char *)(up + 1), length); 576 #endif 577 else if (dport == VAT_PORT) 578 vat_print(ndo, (const void *)(up + 1), up); 579 else if (IS_SRC_OR_DST_PORT(ZEPHYR_SRV_PORT) || IS_SRC_OR_DST_PORT(ZEPHYR_CLT_PORT)) 580 zephyr_print(ndo, (const void *)(up + 1), length); 581 /* 582 * Since there are 10 possible ports to check, I think 583 * a <> test would be more efficient 584 */ 585 else if ((sport >= RX_PORT_LOW && sport <= RX_PORT_HIGH) || 586 (dport >= RX_PORT_LOW && dport <= RX_PORT_HIGH)) 587 rx_print(ndo, (const void *)(up + 1), length, sport, dport, 588 (const u_char *) ip); 589 else if (IS_SRC_OR_DST_PORT(RIPNG_PORT)) 590 ripng_print(ndo, (const u_char *)(up + 1), length); 591 else if (IS_SRC_OR_DST_PORT(DHCP6_SERV_PORT) || IS_SRC_OR_DST_PORT(DHCP6_CLI_PORT)) 592 dhcp6_print(ndo, (const u_char *)(up + 1), length); 593 else if (IS_SRC_OR_DST_PORT(AHCP_PORT)) 594 ahcp_print(ndo, (const u_char *)(up + 1), length); 595 else if (IS_SRC_OR_DST_PORT(BABEL_PORT) || IS_SRC_OR_DST_PORT(BABEL_PORT_OLD)) 596 babel_print(ndo, (const u_char *)(up + 1), length); 597 else if (IS_SRC_OR_DST_PORT(HNCP_PORT)) 598 hncp_print(ndo, (const u_char *)(up + 1), length); 599 /* 600 * Kludge in test for whiteboard packets. 601 */ 602 else if (dport == WB_PORT) 603 wb_print(ndo, (const void *)(up + 1), length); 604 else if (IS_SRC_OR_DST_PORT(CISCO_AUTORP_PORT)) 605 cisco_autorp_print(ndo, (const void *)(up + 1), length); 606 else if (IS_SRC_OR_DST_PORT(RADIUS_PORT) || 607 IS_SRC_OR_DST_PORT(RADIUS_NEW_PORT) || 608 IS_SRC_OR_DST_PORT(RADIUS_ACCOUNTING_PORT) || 609 IS_SRC_OR_DST_PORT(RADIUS_NEW_ACCOUNTING_PORT) || 610 IS_SRC_OR_DST_PORT(RADIUS_CISCO_COA_PORT) || 611 IS_SRC_OR_DST_PORT(RADIUS_COA_PORT) ) 612 radius_print(ndo, (const u_char *)(up+1), length); 613 else if (dport == HSRP_PORT) 614 hsrp_print(ndo, (const u_char *)(up + 1), length); 615 else if (IS_SRC_OR_DST_PORT(LWRES_PORT)) 616 lwres_print(ndo, (const u_char *)(up + 1), length); 617 else if (IS_SRC_OR_DST_PORT(LDP_PORT)) 618 ldp_print(ndo, (const u_char *)(up + 1), length); 619 else if (IS_SRC_OR_DST_PORT(OLSR_PORT)) 620 olsr_print(ndo, (const u_char *)(up + 1), length, 621 (IP_V(ip) == 6) ? 1 : 0); 622 else if (IS_SRC_OR_DST_PORT(MPLS_LSP_PING_PORT)) 623 lspping_print(ndo, (const u_char *)(up + 1), length); 624 else if (dport == BFD_CONTROL_PORT || 625 dport == BFD_ECHO_PORT ) 626 bfd_print(ndo, (const u_char *)(up+1), length, dport); 627 else if (IS_SRC_OR_DST_PORT(LMP_PORT)) 628 lmp_print(ndo, (const u_char *)(up + 1), length); 629 else if (IS_SRC_OR_DST_PORT(VQP_PORT)) 630 vqp_print(ndo, (const u_char *)(up + 1), length); 631 else if (IS_SRC_OR_DST_PORT(SFLOW_PORT)) 632 sflow_print(ndo, (const u_char *)(up + 1), length); 633 else if (dport == LWAPP_CONTROL_PORT) 634 lwapp_control_print(ndo, (const u_char *)(up + 1), length, 1); 635 else if (sport == LWAPP_CONTROL_PORT) 636 lwapp_control_print(ndo, (const u_char *)(up + 1), length, 0); 637 else if (IS_SRC_OR_DST_PORT(LWAPP_DATA_PORT)) 638 lwapp_data_print(ndo, (const u_char *)(up + 1), length); 639 else if (IS_SRC_OR_DST_PORT(SIP_PORT)) 640 sip_print(ndo, (const u_char *)(up + 1), length); 641 else if (IS_SRC_OR_DST_PORT(SYSLOG_PORT)) 642 syslog_print(ndo, (const u_char *)(up + 1), length); 643 else if (IS_SRC_OR_DST_PORT(OTV_PORT)) 644 otv_print(ndo, (const u_char *)(up + 1), length); 645 else if (IS_SRC_OR_DST_PORT(VXLAN_PORT)) 646 vxlan_print(ndo, (const u_char *)(up + 1), length); 647 else if (IS_SRC_OR_DST_PORT(GENEVE_PORT)) 648 geneve_print(ndo, (const u_char *)(up + 1), length); 649 else if (IS_SRC_OR_DST_PORT(LISP_CONTROL_PORT)) 650 lisp_print(ndo, (const u_char *)(up + 1), length); 651 else if (IS_SRC_OR_DST_PORT(VXLAN_GPE_PORT)) 652 vxlan_gpe_print(ndo, (const u_char *)(up + 1), length); 653 else if (ND_TTEST(((const struct LAP *)cp)->type) && 654 ((const struct LAP *)cp)->type == lapDDP && 655 (atalk_port(sport) || atalk_port(dport))) { 656 if (ndo->ndo_vflag) 657 ND_PRINT((ndo, "kip ")); 658 llap_print(ndo, cp, length); 659 } else { 660 if (ulen > length) 661 ND_PRINT((ndo, "UDP, bad length %u > %u", 662 ulen, length)); 663 else 664 ND_PRINT((ndo, "UDP, length %u", ulen)); 665 } 666 } else { 667 if (ulen > length) 668 ND_PRINT((ndo, "UDP, bad length %u > %u", 669 ulen, length)); 670 else 671 ND_PRINT((ndo, "UDP, length %u", ulen)); 672 } 673 } 674 675 676 /* 677 * Local Variables: 678 * c-style: whitesmith 679 * c-basic-offset: 8 680 * End: 681 */ 682
Indexes created Sun Mar 01 05:31:48 UTC 2026