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 /* \summary: UDP printer */ 23 24 #ifdef HAVE_CONFIG_H 25 #include "config.h" 26 #endif 27 28 #include <netdissect-stdinc.h> 29 30 #include "netdissect.h" 31 #include "addrtoname.h" 32 #include "extract.h" 33 #include "appletalk.h" 34 35 #include "udp.h" 36 37 #include "ip.h" 38 #include "ip6.h" 39 #include "ipproto.h" 40 #include "rpc_auth.h" 41 #include "rpc_msg.h" 42 43 #include "nfs.h" 44 45 static const char vat_tstr[] = " [|vat]"; 46 static const char rtp_tstr[] = " [|rtp]"; 47 static const char rtcp_tstr[] = " [|rtcp]"; 48 static const char udp_tstr[] = " [|udp]"; 49 50 struct rtcphdr { 51 uint16_t rh_flags; /* T:2 P:1 CNT:5 PT:8 */ 52 uint16_t rh_len; /* length of message (in words) */ 53 uint32_t rh_ssrc; /* synchronization src id */ 54 }; 55 56 typedef struct { 57 uint32_t upper; /* more significant 32 bits */ 58 uint32_t lower; /* less significant 32 bits */ 59 } ntp64; 60 61 /* 62 * Sender report. 63 */ 64 struct rtcp_sr { 65 ntp64 sr_ntp; /* 64-bit ntp timestamp */ 66 uint32_t sr_ts; /* reference media timestamp */ 67 uint32_t sr_np; /* no. packets sent */ 68 uint32_t sr_nb; /* no. bytes sent */ 69 }; 70 71 /* 72 * Receiver report. 73 * Time stamps are middle 32-bits of ntp timestamp. 74 */ 75 struct rtcp_rr { 76 uint32_t rr_srcid; /* sender being reported */ 77 uint32_t rr_nl; /* no. packets lost */ 78 uint32_t rr_ls; /* extended last seq number received */ 79 uint32_t rr_dv; /* jitter (delay variance) */ 80 uint32_t rr_lsr; /* orig. ts from last rr from this src */ 81 uint32_t rr_dlsr; /* time from recpt of last rr to xmit time */ 82 }; 83 84 /*XXX*/ 85 #define RTCP_PT_SR 200 86 #define RTCP_PT_RR 201 87 #define RTCP_PT_SDES 202 88 #define RTCP_SDES_CNAME 1 89 #define RTCP_SDES_NAME 2 90 #define RTCP_SDES_EMAIL 3 91 #define RTCP_SDES_PHONE 4 92 #define RTCP_SDES_LOC 5 93 #define RTCP_SDES_TOOL 6 94 #define RTCP_SDES_NOTE 7 95 #define RTCP_SDES_PRIV 8 96 #define RTCP_PT_BYE 203 97 #define RTCP_PT_APP 204 98 99 static void 100 vat_print(netdissect_options *ndo, const void *hdr, register const struct udphdr *up) 101 { 102 /* vat/vt audio */ 103 u_int ts; 104 105 ND_TCHECK_16BITS((const u_int *)hdr); 106 ts = EXTRACT_16BITS(hdr); 107 if ((ts & 0xf060) != 0) { 108 /* probably vt */ 109 ND_TCHECK_16BITS(&up->uh_ulen); 110 ND_PRINT((ndo, "udp/vt %u %d / %d", 111 (uint32_t)(EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up)), 112 ts & 0x3ff, ts >> 10)); 113 } else { 114 /* probably vat */ 115 uint32_t i0, i1; 116 117 ND_TCHECK_32BITS(&((const u_int *)hdr)[0]); 118 i0 = EXTRACT_32BITS(&((const u_int *)hdr)[0]); 119 ND_TCHECK_32BITS(&((const u_int *)hdr)[1]); 120 i1 = EXTRACT_32BITS(&((const u_int *)hdr)[1]); 121 ND_TCHECK_16BITS(&up->uh_ulen); 122 ND_PRINT((ndo, "udp/vat %u c%d %u%s", 123 (uint32_t)(EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up) - 8), 124 i0 & 0xffff, 125 i1, i0 & 0x800000? "*" : "")); 126 /* audio format */ 127 if (i0 & 0x1f0000) 128 ND_PRINT((ndo, " f%d", (i0 >> 16) & 0x1f)); 129 if (i0 & 0x3f000000) 130 ND_PRINT((ndo, " s%d", (i0 >> 24) & 0x3f)); 131 } 132 133 trunc: 134 ND_PRINT((ndo, "%s", vat_tstr)); 135 } 136 137 static void 138 rtp_print(netdissect_options *ndo, const void *hdr, u_int len, 139 register const struct udphdr *up) 140 { 141 /* rtp v1 or v2 */ 142 const u_int *ip = (const u_int *)hdr; 143 u_int hasopt, hasext, contype, hasmarker, dlen; 144 uint32_t i0, i1; 145 const char * ptype; 146 147 ND_TCHECK_32BITS(&((const u_int *)hdr)[0]); 148 i0 = EXTRACT_32BITS(&((const u_int *)hdr)[0]); 149 ND_TCHECK_32BITS(&((const u_int *)hdr)[1]); 150 i1 = EXTRACT_32BITS(&((const u_int *)hdr)[1]); 151 ND_TCHECK_16BITS(&up->uh_ulen); 152 dlen = EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up) - 8; 153 ip += 2; 154 len >>= 2; 155 len -= 2; 156 hasopt = 0; 157 hasext = 0; 158 if ((i0 >> 30) == 1) { 159 /* rtp v1 - draft-ietf-avt-rtp-04 */ 160 hasopt = i0 & 0x800000; 161 contype = (i0 >> 16) & 0x3f; 162 hasmarker = i0 & 0x400000; 163 ptype = "rtpv1"; 164 } else { 165 /* rtp v2 - RFC 3550 */ 166 hasext = i0 & 0x10000000; 167 contype = (i0 >> 16) & 0x7f; 168 hasmarker = i0 & 0x800000; 169 dlen -= 4; 170 ptype = "rtp"; 171 ip += 1; 172 len -= 1; 173 } 174 ND_PRINT((ndo, "udp/%s %d c%d %s%s %d %u", 175 ptype, 176 dlen, 177 contype, 178 (hasopt || hasext)? "+" : "", 179 hasmarker? "*" : "", 180 i0 & 0xffff, 181 i1)); 182 if (ndo->ndo_vflag) { 183 ND_TCHECK_32BITS(&((const u_int *)hdr)[2]); 184 ND_PRINT((ndo, " %u", EXTRACT_32BITS(&((const u_int *)hdr)[2]))); 185 if (hasopt) { 186 u_int i2, optlen; 187 do { 188 ND_TCHECK_32BITS(ip); 189 i2 = EXTRACT_32BITS(ip); 190 optlen = (i2 >> 16) & 0xff; 191 if (optlen == 0 || optlen > len) { 192 ND_PRINT((ndo, " !opt")); 193 return; 194 } 195 ip += optlen; 196 len -= optlen; 197 } while ((int)i2 >= 0); 198 } 199 if (hasext) { 200 u_int i2, extlen; 201 ND_TCHECK_32BITS(ip); 202 i2 = EXTRACT_32BITS(ip); 203 extlen = (i2 & 0xffff) + 1; 204 if (extlen > len) { 205 ND_PRINT((ndo, " !ext")); 206 return; 207 } 208 ip += extlen; 209 } 210 ND_TCHECK_32BITS(ip); 211 if (contype == 0x1f) /*XXX H.261 */ 212 ND_PRINT((ndo, " 0x%04x", EXTRACT_32BITS(ip) >> 16)); 213 } 214 215 trunc: 216 ND_PRINT((ndo, "%s", rtp_tstr)); 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 int cnt; 229 double ts, dts; 230 if ((const u_char *)(rh + 1) > ep) 231 goto trunc; 232 ND_TCHECK(*rh); 233 len = (EXTRACT_16BITS(&rh->rh_len) + 1) * 4; 234 flags = EXTRACT_16BITS(&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((ndo, " sr")); 240 if (len != cnt * sizeof(*rr) + sizeof(*sr) + sizeof(*rh)) 241 ND_PRINT((ndo, " [%d]", len)); 242 if (ndo->ndo_vflag) 243 ND_PRINT((ndo, " %u", EXTRACT_32BITS(&rh->rh_ssrc))); 244 if ((const u_char *)(sr + 1) > ep) 245 goto trunc; 246 ND_TCHECK(*sr); 247 ts = (double)(EXTRACT_32BITS(&sr->sr_ntp.upper)) + 248 ((double)(EXTRACT_32BITS(&sr->sr_ntp.lower)) / 249 4294967296.0); 250 ND_PRINT((ndo, " @%.2f %u %up %ub", ts, EXTRACT_32BITS(&sr->sr_ts), 251 EXTRACT_32BITS(&sr->sr_np), EXTRACT_32BITS(&sr->sr_nb))); 252 rr = (const struct rtcp_rr *)(sr + 1); 253 break; 254 case RTCP_PT_RR: 255 ND_PRINT((ndo, " rr")); 256 if (len != cnt * sizeof(*rr) + sizeof(*rh)) 257 ND_PRINT((ndo, " [%d]", len)); 258 rr = (const struct rtcp_rr *)(rh + 1); 259 if (ndo->ndo_vflag) 260 ND_PRINT((ndo, " %u", EXTRACT_32BITS(&rh->rh_ssrc))); 261 break; 262 case RTCP_PT_SDES: 263 ND_PRINT((ndo, " sdes %d", len)); 264 if (ndo->ndo_vflag) 265 ND_PRINT((ndo, " %u", EXTRACT_32BITS(&rh->rh_ssrc))); 266 cnt = 0; 267 break; 268 case RTCP_PT_BYE: 269 ND_PRINT((ndo, " bye %d", len)); 270 if (ndo->ndo_vflag) 271 ND_PRINT((ndo, " %u", EXTRACT_32BITS(&rh->rh_ssrc))); 272 cnt = 0; 273 break; 274 default: 275 ND_PRINT((ndo, " type-0x%x %d", flags & 0xff, len)); 276 cnt = 0; 277 break; 278 } 279 if (cnt > 1) 280 ND_PRINT((ndo, " c%d", cnt)); 281 while (--cnt >= 0) { 282 if ((const u_char *)(rr + 1) > ep) 283 goto trunc; 284 ND_TCHECK(*rr); 285 if (ndo->ndo_vflag) 286 ND_PRINT((ndo, " %u", EXTRACT_32BITS(&rr->rr_srcid))); 287 ts = (double)(EXTRACT_32BITS(&rr->rr_lsr)) / 65536.; 288 dts = (double)(EXTRACT_32BITS(&rr->rr_dlsr)) / 65536.; 289 ND_PRINT((ndo, " %ul %us %uj @%.2f+%.2f", 290 EXTRACT_32BITS(&rr->rr_nl) & 0x00ffffff, 291 EXTRACT_32BITS(&rr->rr_ls), 292 EXTRACT_32BITS(&rr->rr_dv), ts, dts)); 293 } 294 return (hdr + len); 295 296 trunc: 297 ND_PRINT((ndo, "%s", rtcp_tstr)); 298 return ep; 299 } 300 301 static int udp_cksum(netdissect_options *ndo, register const struct ip *ip, 302 register const struct udphdr *up, 303 register u_int len) 304 { 305 return nextproto4_cksum(ndo, ip, (const uint8_t *)(const void *)up, len, len, 306 IPPROTO_UDP); 307 } 308 309 static int udp6_cksum(netdissect_options *ndo, const struct ip6_hdr *ip6, 310 const struct udphdr *up, u_int len) 311 { 312 return nextproto6_cksum(ndo, ip6, (const uint8_t *)(const void *)up, len, len, 313 IPPROTO_UDP); 314 } 315 316 static void 317 udpipaddr_print(netdissect_options *ndo, const struct ip *ip, int sport, int dport) 318 { 319 const struct ip6_hdr *ip6; 320 321 if (IP_V(ip) == 6) 322 ip6 = (const struct ip6_hdr *)ip; 323 else 324 ip6 = NULL; 325 326 if (ip6) { 327 if (ip6->ip6_nxt == IPPROTO_UDP) { 328 if (sport == -1) { 329 ND_PRINT((ndo, "%s > %s: ", 330 ip6addr_string(ndo, &ip6->ip6_src), 331 ip6addr_string(ndo, &ip6->ip6_dst))); 332 } else { 333 ND_PRINT((ndo, "%s.%s > %s.%s: ", 334 ip6addr_string(ndo, &ip6->ip6_src), 335 udpport_string(ndo, sport), 336 ip6addr_string(ndo, &ip6->ip6_dst), 337 udpport_string(ndo, dport))); 338 } 339 } else { 340 if (sport != -1) { 341 ND_PRINT((ndo, "%s > %s: ", 342 udpport_string(ndo, sport), 343 udpport_string(ndo, dport))); 344 } 345 } 346 } else { 347 if (ip->ip_p == IPPROTO_UDP) { 348 if (sport == -1) { 349 ND_PRINT((ndo, "%s > %s: ", 350 ipaddr_string(ndo, &ip->ip_src), 351 ipaddr_string(ndo, &ip->ip_dst))); 352 } else { 353 ND_PRINT((ndo, "%s.%s > %s.%s: ", 354 ipaddr_string(ndo, &ip->ip_src), 355 udpport_string(ndo, sport), 356 ipaddr_string(ndo, &ip->ip_dst), 357 udpport_string(ndo, dport))); 358 } 359 } else { 360 if (sport != -1) { 361 ND_PRINT((ndo, "%s > %s: ", 362 udpport_string(ndo, sport), 363 udpport_string(ndo, dport))); 364 } 365 } 366 } 367 } 368 369 void 370 udp_print(netdissect_options *ndo, register const u_char *bp, u_int length, 371 register const u_char *bp2, int fragmented) 372 { 373 register const struct udphdr *up; 374 register const struct ip *ip; 375 register const u_char *cp; 376 register const u_char *ep = bp + length; 377 uint16_t sport, dport, ulen; 378 register const struct ip6_hdr *ip6; 379 380 if (ep > ndo->ndo_snapend) 381 ep = ndo->ndo_snapend; 382 up = (const struct udphdr *)bp; 383 ip = (const struct ip *)bp2; 384 if (IP_V(ip) == 6) 385 ip6 = (const struct ip6_hdr *)bp2; 386 else 387 ip6 = NULL; 388 if (!ND_TTEST(up->uh_dport)) { 389 udpipaddr_print(ndo, ip, -1, -1); 390 goto trunc; 391 } 392 393 sport = EXTRACT_16BITS(&up->uh_sport); 394 dport = EXTRACT_16BITS(&up->uh_dport); 395 396 if (length < sizeof(struct udphdr)) { 397 udpipaddr_print(ndo, ip, sport, dport); 398 ND_PRINT((ndo, "truncated-udp %d", length)); 399 return; 400 } 401 if (!ND_TTEST(up->uh_ulen)) { 402 udpipaddr_print(ndo, ip, sport, dport); 403 goto trunc; 404 } 405 ulen = EXTRACT_16BITS(&up->uh_ulen); 406 if (ulen < sizeof(struct udphdr)) { 407 udpipaddr_print(ndo, ip, sport, dport); 408 ND_PRINT((ndo, "truncated-udplength %d", ulen)); 409 return; 410 } 411 ulen -= sizeof(struct udphdr); 412 length -= sizeof(struct udphdr); 413 if (ulen < length) 414 length = ulen; 415 416 cp = (const u_char *)(up + 1); 417 if (cp > ndo->ndo_snapend) { 418 udpipaddr_print(ndo, ip, sport, dport); 419 goto trunc; 420 } 421 422 if (ndo->ndo_packettype) { 423 register const struct sunrpc_msg *rp; 424 enum sunrpc_msg_type direction; 425 426 switch (ndo->ndo_packettype) { 427 428 case PT_VAT: 429 udpipaddr_print(ndo, ip, sport, dport); 430 vat_print(ndo, (const void *)(up + 1), up); 431 break; 432 433 case PT_WB: 434 udpipaddr_print(ndo, ip, sport, dport); 435 wb_print(ndo, (const void *)(up + 1), length); 436 break; 437 438 case PT_RPC: 439 rp = (const struct sunrpc_msg *)(up + 1); 440 direction = (enum sunrpc_msg_type)EXTRACT_32BITS(&rp->rm_direction); 441 if (direction == SUNRPC_CALL) 442 sunrpcrequest_print(ndo, (const u_char *)rp, length, 443 (const u_char *)ip); 444 else 445 nfsreply_print(ndo, (const u_char *)rp, length, 446 (const u_char *)ip); /*XXX*/ 447 break; 448 449 case PT_RTP: 450 udpipaddr_print(ndo, ip, sport, dport); 451 rtp_print(ndo, (const void *)(up + 1), length, up); 452 break; 453 454 case PT_RTCP: 455 udpipaddr_print(ndo, ip, sport, dport); 456 while (cp < ep) 457 cp = rtcp_print(ndo, cp, ep); 458 break; 459 460 case PT_SNMP: 461 udpipaddr_print(ndo, ip, sport, dport); 462 snmp_print(ndo, (const u_char *)(up + 1), length); 463 break; 464 465 case PT_CNFP: 466 udpipaddr_print(ndo, ip, sport, dport); 467 cnfp_print(ndo, cp); 468 break; 469 470 case PT_TFTP: 471 udpipaddr_print(ndo, ip, sport, dport); 472 tftp_print(ndo, cp, length); 473 break; 474 475 case PT_AODV: 476 udpipaddr_print(ndo, ip, sport, dport); 477 aodv_print(ndo, (const u_char *)(up + 1), length, 478 ip6 != NULL); 479 break; 480 481 case PT_RADIUS: 482 udpipaddr_print(ndo, ip, sport, dport); 483 radius_print(ndo, cp, length); 484 break; 485 486 case PT_VXLAN: 487 udpipaddr_print(ndo, ip, sport, dport); 488 vxlan_print(ndo, (const u_char *)(up + 1), length); 489 break; 490 491 case PT_PGM: 492 case PT_PGM_ZMTP1: 493 udpipaddr_print(ndo, ip, sport, dport); 494 pgm_print(ndo, cp, length, bp2); 495 break; 496 case PT_LMP: 497 udpipaddr_print(ndo, ip, sport, dport); 498 lmp_print(ndo, cp, length); 499 break; 500 } 501 return; 502 } 503 504 udpipaddr_print(ndo, ip, sport, dport); 505 if (!ndo->ndo_qflag) { 506 register const struct sunrpc_msg *rp; 507 enum sunrpc_msg_type direction; 508 509 rp = (const struct sunrpc_msg *)(up + 1); 510 if (ND_TTEST(rp->rm_direction)) { 511 direction = (enum sunrpc_msg_type)EXTRACT_32BITS(&rp->rm_direction); 512 if (dport == NFS_PORT && direction == SUNRPC_CALL) { 513 ND_PRINT((ndo, "NFS request xid %u ", EXTRACT_32BITS(&rp->rm_xid))); 514 nfsreq_print_noaddr(ndo, (const u_char *)rp, length, 515 (const u_char *)ip); 516 return; 517 } 518 if (sport == NFS_PORT && direction == SUNRPC_REPLY) { 519 ND_PRINT((ndo, "NFS reply xid %u ", EXTRACT_32BITS(&rp->rm_xid))); 520 nfsreply_print_noaddr(ndo, (const u_char *)rp, length, 521 (const u_char *)ip); 522 return; 523 } 524 #ifdef notdef 525 if (dport == SUNRPC_PORT && direction == SUNRPC_CALL) { 526 sunrpcrequest_print((const u_char *)rp, length, (const u_char *)ip); 527 return; 528 } 529 #endif 530 } 531 } 532 533 if (ndo->ndo_vflag && !ndo->ndo_Kflag && !fragmented) { 534 /* Check the checksum, if possible. */ 535 uint16_t sum, udp_sum; 536 537 /* 538 * XXX - do this even if vflag == 1? 539 * TCP does, and we do so for UDP-over-IPv6. 540 */ 541 if (IP_V(ip) == 4 && (ndo->ndo_vflag > 1)) { 542 udp_sum = EXTRACT_16BITS(&up->uh_sum); 543 if (udp_sum == 0) { 544 ND_PRINT((ndo, "[no cksum] ")); 545 } else if (ND_TTEST2(cp[0], length)) { 546 sum = udp_cksum(ndo, ip, up, length + sizeof(struct udphdr)); 547 548 if (sum != 0) { 549 ND_PRINT((ndo, "[bad udp cksum 0x%04x -> 0x%04x!] ", 550 udp_sum, 551 in_cksum_shouldbe(udp_sum, sum))); 552 } else 553 ND_PRINT((ndo, "[udp sum ok] ")); 554 } 555 } 556 else if (IP_V(ip) == 6 && ip6->ip6_plen) { 557 /* for IPv6, UDP checksum is mandatory */ 558 if (ND_TTEST2(cp[0], length)) { 559 sum = udp6_cksum(ndo, ip6, up, length + sizeof(struct udphdr)); 560 udp_sum = EXTRACT_16BITS(&up->uh_sum); 561 562 if (sum != 0) { 563 ND_PRINT((ndo, "[bad udp cksum 0x%04x -> 0x%04x!] ", 564 udp_sum, 565 in_cksum_shouldbe(udp_sum, sum))); 566 } else 567 ND_PRINT((ndo, "[udp sum ok] ")); 568 } 569 } 570 } 571 572 if (!ndo->ndo_qflag) { 573 if (IS_SRC_OR_DST_PORT(NAMESERVER_PORT)) 574 ns_print(ndo, (const u_char *)(up + 1), length, 0); 575 else if (IS_SRC_OR_DST_PORT(MULTICASTDNS_PORT)) 576 ns_print(ndo, (const u_char *)(up + 1), length, 1); 577 else if (IS_SRC_OR_DST_PORT(TIMED_PORT)) 578 timed_print(ndo, (const u_char *)(up + 1)); 579 else if (IS_SRC_OR_DST_PORT(TFTP_PORT)) 580 tftp_print(ndo, (const u_char *)(up + 1), length); 581 else if (IS_SRC_OR_DST_PORT(BOOTPC_PORT) || IS_SRC_OR_DST_PORT(BOOTPS_PORT)) 582 bootp_print(ndo, (const u_char *)(up + 1), length); 583 else if (IS_SRC_OR_DST_PORT(RIP_PORT)) 584 rip_print(ndo, (const u_char *)(up + 1), length); 585 else if (IS_SRC_OR_DST_PORT(AODV_PORT)) 586 aodv_print(ndo, (const u_char *)(up + 1), length, 587 ip6 != NULL); 588 else if (IS_SRC_OR_DST_PORT(ISAKMP_PORT)) 589 isakmp_print(ndo, (const u_char *)(up + 1), length, bp2); 590 else if (IS_SRC_OR_DST_PORT(ISAKMP_PORT_NATT)) 591 isakmp_rfc3948_print(ndo, (const u_char *)(up + 1), length, bp2); 592 #if 1 /*???*/ 593 else if (IS_SRC_OR_DST_PORT(ISAKMP_PORT_USER1) || IS_SRC_OR_DST_PORT(ISAKMP_PORT_USER2)) 594 isakmp_print(ndo, (const u_char *)(up + 1), length, bp2); 595 #endif 596 else if (IS_SRC_OR_DST_PORT(SNMP_PORT) || IS_SRC_OR_DST_PORT(SNMPTRAP_PORT)) 597 snmp_print(ndo, (const u_char *)(up + 1), length); 598 else if (IS_SRC_OR_DST_PORT(NTP_PORT)) 599 ntp_print(ndo, (const u_char *)(up + 1), length); 600 else if (IS_SRC_OR_DST_PORT(KERBEROS_PORT) || IS_SRC_OR_DST_PORT(KERBEROS_SEC_PORT)) 601 krb_print(ndo, (const void *)(up + 1)); 602 else if (IS_SRC_OR_DST_PORT(L2TP_PORT)) 603 l2tp_print(ndo, (const u_char *)(up + 1), length); 604 #ifdef ENABLE_SMB 605 else if (IS_SRC_OR_DST_PORT(NETBIOS_NS_PORT)) 606 nbt_udp137_print(ndo, (const u_char *)(up + 1), length); 607 else if (IS_SRC_OR_DST_PORT(NETBIOS_DGRAM_PORT)) 608 nbt_udp138_print(ndo, (const u_char *)(up + 1), length); 609 #endif 610 else if (dport == VAT_PORT) 611 vat_print(ndo, (const void *)(up + 1), up); 612 else if (IS_SRC_OR_DST_PORT(ZEPHYR_SRV_PORT) || IS_SRC_OR_DST_PORT(ZEPHYR_CLT_PORT)) 613 zephyr_print(ndo, (const void *)(up + 1), length); 614 /* 615 * Since there are 10 possible ports to check, I think 616 * a <> test would be more efficient 617 */ 618 else if ((sport >= RX_PORT_LOW && sport <= RX_PORT_HIGH) || 619 (dport >= RX_PORT_LOW && dport <= RX_PORT_HIGH)) 620 rx_print(ndo, (const void *)(up + 1), length, sport, dport, 621 (const u_char *) ip); 622 else if (IS_SRC_OR_DST_PORT(RIPNG_PORT)) 623 ripng_print(ndo, (const u_char *)(up + 1), length); 624 else if (IS_SRC_OR_DST_PORT(DHCP6_SERV_PORT) || IS_SRC_OR_DST_PORT(DHCP6_CLI_PORT)) 625 dhcp6_print(ndo, (const u_char *)(up + 1), length); 626 else if (IS_SRC_OR_DST_PORT(AHCP_PORT)) 627 ahcp_print(ndo, (const u_char *)(up + 1), length); 628 else if (IS_SRC_OR_DST_PORT(BABEL_PORT) || IS_SRC_OR_DST_PORT(BABEL_PORT_OLD)) 629 babel_print(ndo, (const u_char *)(up + 1), length); 630 else if (IS_SRC_OR_DST_PORT(HNCP_PORT)) 631 hncp_print(ndo, (const u_char *)(up + 1), length); 632 /* 633 * Kludge in test for whiteboard packets. 634 */ 635 else if (dport == WB_PORT) 636 wb_print(ndo, (const void *)(up + 1), length); 637 else if (IS_SRC_OR_DST_PORT(CISCO_AUTORP_PORT)) 638 cisco_autorp_print(ndo, (const void *)(up + 1), length); 639 else if (IS_SRC_OR_DST_PORT(RADIUS_PORT) || 640 IS_SRC_OR_DST_PORT(RADIUS_NEW_PORT) || 641 IS_SRC_OR_DST_PORT(RADIUS_ACCOUNTING_PORT) || 642 IS_SRC_OR_DST_PORT(RADIUS_NEW_ACCOUNTING_PORT) || 643 IS_SRC_OR_DST_PORT(RADIUS_CISCO_COA_PORT) || 644 IS_SRC_OR_DST_PORT(RADIUS_COA_PORT) ) 645 radius_print(ndo, (const u_char *)(up+1), length); 646 else if (dport == HSRP_PORT) 647 hsrp_print(ndo, (const u_char *)(up + 1), length); 648 else if (IS_SRC_OR_DST_PORT(LWRES_PORT)) 649 lwres_print(ndo, (const u_char *)(up + 1), length); 650 else if (IS_SRC_OR_DST_PORT(LDP_PORT)) 651 ldp_print(ndo, (const u_char *)(up + 1), length); 652 else if (IS_SRC_OR_DST_PORT(OLSR_PORT)) 653 olsr_print(ndo, (const u_char *)(up + 1), length, 654 (IP_V(ip) == 6) ? 1 : 0); 655 else if (IS_SRC_OR_DST_PORT(MPLS_LSP_PING_PORT)) 656 lspping_print(ndo, (const u_char *)(up + 1), length); 657 else if (dport == BFD_CONTROL_PORT || 658 dport == BFD_ECHO_PORT ) 659 bfd_print(ndo, (const u_char *)(up+1), length, dport); 660 else if (IS_SRC_OR_DST_PORT(LMP_PORT)) 661 lmp_print(ndo, (const u_char *)(up + 1), length); 662 else if (IS_SRC_OR_DST_PORT(VQP_PORT)) 663 vqp_print(ndo, (const u_char *)(up + 1), length); 664 else if (IS_SRC_OR_DST_PORT(SFLOW_PORT)) 665 sflow_print(ndo, (const u_char *)(up + 1), length); 666 else if (dport == LWAPP_CONTROL_PORT) 667 lwapp_control_print(ndo, (const u_char *)(up + 1), length, 1); 668 else if (sport == LWAPP_CONTROL_PORT) 669 lwapp_control_print(ndo, (const u_char *)(up + 1), length, 0); 670 else if (IS_SRC_OR_DST_PORT(LWAPP_DATA_PORT)) 671 lwapp_data_print(ndo, (const u_char *)(up + 1), length); 672 else if (IS_SRC_OR_DST_PORT(SIP_PORT)) 673 sip_print(ndo, (const u_char *)(up + 1), length); 674 else if (IS_SRC_OR_DST_PORT(SYSLOG_PORT)) 675 syslog_print(ndo, (const u_char *)(up + 1), length); 676 else if (IS_SRC_OR_DST_PORT(OTV_PORT)) 677 otv_print(ndo, (const u_char *)(up + 1), length); 678 else if (IS_SRC_OR_DST_PORT(VXLAN_PORT)) 679 vxlan_print(ndo, (const u_char *)(up + 1), length); 680 else if (IS_SRC_OR_DST_PORT(GENEVE_PORT)) 681 geneve_print(ndo, (const u_char *)(up + 1), length); 682 else if (IS_SRC_OR_DST_PORT(LISP_CONTROL_PORT)) 683 lisp_print(ndo, (const u_char *)(up + 1), length); 684 else if (IS_SRC_OR_DST_PORT(VXLAN_GPE_PORT)) 685 vxlan_gpe_print(ndo, (const u_char *)(up + 1), length); 686 else if (ND_TTEST(((const struct LAP *)cp)->type) && 687 ((const struct LAP *)cp)->type == lapDDP && 688 (atalk_port(sport) || atalk_port(dport))) { 689 if (ndo->ndo_vflag) 690 ND_PRINT((ndo, "kip ")); 691 llap_print(ndo, cp, length); 692 } else { 693 if (ulen > length) 694 ND_PRINT((ndo, "UDP, bad length %u > %u", 695 ulen, length)); 696 else 697 ND_PRINT((ndo, "UDP, length %u", ulen)); 698 } 699 } else { 700 if (ulen > length) 701 ND_PRINT((ndo, "UDP, bad length %u > %u", 702 ulen, length)); 703 else 704 ND_PRINT((ndo, "UDP, length %u", ulen)); 705 } 706 return; 707 708 trunc: 709 ND_PRINT((ndo, "%s", udp_tstr)); 710 } 711 712 713 /* 714 * Local Variables: 715 * c-style: whitesmith 716 * c-basic-offset: 8 717 * End: 718 */ 719
