print-udp.c revision 1.2.12.1
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 #if 0 25 static const char rcsid[] _U_ = 26 "@(#) Header: /tcpdump/master/tcpdump/print-udp.c,v 1.142 2007-08-08 17:20:58 hannes Exp (LBL)"; 27 #else 28 __RCSID("$NetBSD: print-udp.c,v 1.2.12.1 2013/06/23 06:28:29 tls Exp $"); 29 #endif 30 #endif 31 32 #ifdef HAVE_CONFIG_H 33 #include "config.h" 34 #endif 35 36 #include <tcpdump-stdinc.h> 37 38 #ifdef SEGSIZE 39 #undef SEGSIZE 40 #endif 41 42 #include <stdio.h> 43 #include <string.h> 44 45 #include "interface.h" 46 #include "addrtoname.h" 47 #include "extract.h" 48 #include "appletalk.h" 49 50 #include "udp.h" 51 52 #include "ip.h" 53 #ifdef INET6 54 #include "ip6.h" 55 #endif 56 #include "ipproto.h" 57 #include "rpc_auth.h" 58 #include "rpc_msg.h" 59 60 #include "nameser.h" 61 #include "nfs.h" 62 #include "bootp.h" 63 64 struct rtcphdr { 65 u_int16_t rh_flags; /* T:2 P:1 CNT:5 PT:8 */ 66 u_int16_t rh_len; /* length of message (in words) */ 67 u_int32_t rh_ssrc; /* synchronization src id */ 68 }; 69 70 typedef struct { 71 u_int32_t upper; /* more significant 32 bits */ 72 u_int32_t lower; /* less significant 32 bits */ 73 } ntp64; 74 75 /* 76 * Sender report. 77 */ 78 struct rtcp_sr { 79 ntp64 sr_ntp; /* 64-bit ntp timestamp */ 80 u_int32_t sr_ts; /* reference media timestamp */ 81 u_int32_t sr_np; /* no. packets sent */ 82 u_int32_t sr_nb; /* no. bytes sent */ 83 }; 84 85 /* 86 * Receiver report. 87 * Time stamps are middle 32-bits of ntp timestamp. 88 */ 89 struct rtcp_rr { 90 u_int32_t rr_srcid; /* sender being reported */ 91 u_int32_t rr_nl; /* no. packets lost */ 92 u_int32_t rr_ls; /* extended last seq number received */ 93 u_int32_t rr_dv; /* jitter (delay variance) */ 94 u_int32_t rr_lsr; /* orig. ts from last rr from this src */ 95 u_int32_t rr_dlsr; /* time from recpt of last rr to xmit time */ 96 }; 97 98 /*XXX*/ 99 #define RTCP_PT_SR 200 100 #define RTCP_PT_RR 201 101 #define RTCP_PT_SDES 202 102 #define RTCP_SDES_CNAME 1 103 #define RTCP_SDES_NAME 2 104 #define RTCP_SDES_EMAIL 3 105 #define RTCP_SDES_PHONE 4 106 #define RTCP_SDES_LOC 5 107 #define RTCP_SDES_TOOL 6 108 #define RTCP_SDES_NOTE 7 109 #define RTCP_SDES_PRIV 8 110 #define RTCP_PT_BYE 203 111 #define RTCP_PT_APP 204 112 113 static void 114 vat_print(const void *hdr, register const struct udphdr *up) 115 { 116 /* vat/vt audio */ 117 u_int ts = *(u_int16_t *)hdr; 118 if ((ts & 0xf060) != 0) { 119 /* probably vt */ 120 (void)printf("udp/vt %u %d / %d", 121 (u_int32_t)(EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up)), 122 ts & 0x3ff, ts >> 10); 123 } else { 124 /* probably vat */ 125 u_int32_t i0 = EXTRACT_32BITS(&((u_int *)hdr)[0]); 126 u_int32_t i1 = EXTRACT_32BITS(&((u_int *)hdr)[1]); 127 printf("udp/vat %u c%d %u%s", 128 (u_int32_t)(EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up) - 8), 129 i0 & 0xffff, 130 i1, i0 & 0x800000? "*" : ""); 131 /* audio format */ 132 if (i0 & 0x1f0000) 133 printf(" f%d", (i0 >> 16) & 0x1f); 134 if (i0 & 0x3f000000) 135 printf(" s%d", (i0 >> 24) & 0x3f); 136 } 137 } 138 139 static void 140 rtp_print(const void *hdr, u_int len, register const struct udphdr *up) 141 { 142 /* rtp v1 or v2 */ 143 u_int *ip = (u_int *)hdr; 144 u_int hasopt, hasext, contype, hasmarker; 145 u_int32_t i0 = EXTRACT_32BITS(&((u_int *)hdr)[0]); 146 u_int32_t i1 = EXTRACT_32BITS(&((u_int *)hdr)[1]); 147 u_int dlen = EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up) - 8; 148 const char * ptype; 149 150 ip += 2; 151 len >>= 2; 152 len -= 2; 153 hasopt = 0; 154 hasext = 0; 155 if ((i0 >> 30) == 1) { 156 /* rtp v1 */ 157 hasopt = i0 & 0x800000; 158 contype = (i0 >> 16) & 0x3f; 159 hasmarker = i0 & 0x400000; 160 ptype = "rtpv1"; 161 } else { 162 /* rtp v2 */ 163 hasext = i0 & 0x10000000; 164 contype = (i0 >> 16) & 0x7f; 165 hasmarker = i0 & 0x800000; 166 dlen -= 4; 167 ptype = "rtp"; 168 ip += 1; 169 len -= 1; 170 } 171 printf("udp/%s %d c%d %s%s %d %u", 172 ptype, 173 dlen, 174 contype, 175 (hasopt || hasext)? "+" : "", 176 hasmarker? "*" : "", 177 i0 & 0xffff, 178 i1); 179 if (vflag) { 180 printf(" %u", EXTRACT_32BITS(&((u_int *)hdr)[2])); 181 if (hasopt) { 182 u_int i2, optlen; 183 do { 184 i2 = ip[0]; 185 optlen = (i2 >> 16) & 0xff; 186 if (optlen == 0 || optlen > len) { 187 printf(" !opt"); 188 return; 189 } 190 ip += optlen; 191 len -= optlen; 192 } while ((int)i2 >= 0); 193 } 194 if (hasext) { 195 u_int i2, extlen; 196 i2 = ip[0]; 197 extlen = (i2 & 0xffff) + 1; 198 if (extlen > len) { 199 printf(" !ext"); 200 return; 201 } 202 ip += extlen; 203 } 204 if (contype == 0x1f) /*XXX H.261 */ 205 printf(" 0x%04x", ip[0] >> 16); 206 } 207 } 208 209 static const u_char * 210 rtcp_print(const u_char *hdr, const u_char *ep) 211 { 212 /* rtp v2 control (rtcp) */ 213 struct rtcp_rr *rr = 0; 214 struct rtcp_sr *sr; 215 struct rtcphdr *rh = (struct rtcphdr *)hdr; 216 u_int len; 217 u_int16_t flags; 218 int cnt; 219 double ts, dts; 220 if ((u_char *)(rh + 1) > ep) { 221 printf(" [|rtcp]"); 222 return (ep); 223 } 224 len = (EXTRACT_16BITS(&rh->rh_len) + 1) * 4; 225 flags = EXTRACT_16BITS(&rh->rh_flags); 226 cnt = (flags >> 8) & 0x1f; 227 switch (flags & 0xff) { 228 case RTCP_PT_SR: 229 sr = (struct rtcp_sr *)(rh + 1); 230 printf(" sr"); 231 if (len != cnt * sizeof(*rr) + sizeof(*sr) + sizeof(*rh)) 232 printf(" [%d]", len); 233 if (vflag) 234 printf(" %u", EXTRACT_32BITS(&rh->rh_ssrc)); 235 if ((u_char *)(sr + 1) > ep) { 236 printf(" [|rtcp]"); 237 return (ep); 238 } 239 ts = (double)(EXTRACT_32BITS(&sr->sr_ntp.upper)) + 240 ((double)(EXTRACT_32BITS(&sr->sr_ntp.lower)) / 241 4294967296.0); 242 printf(" @%.2f %u %up %ub", ts, EXTRACT_32BITS(&sr->sr_ts), 243 EXTRACT_32BITS(&sr->sr_np), EXTRACT_32BITS(&sr->sr_nb)); 244 rr = (struct rtcp_rr *)(sr + 1); 245 break; 246 case RTCP_PT_RR: 247 printf(" rr"); 248 if (len != cnt * sizeof(*rr) + sizeof(*rh)) 249 printf(" [%d]", len); 250 rr = (struct rtcp_rr *)(rh + 1); 251 if (vflag) 252 printf(" %u", EXTRACT_32BITS(&rh->rh_ssrc)); 253 break; 254 case RTCP_PT_SDES: 255 printf(" sdes %d", len); 256 if (vflag) 257 printf(" %u", EXTRACT_32BITS(&rh->rh_ssrc)); 258 cnt = 0; 259 break; 260 case RTCP_PT_BYE: 261 printf(" bye %d", len); 262 if (vflag) 263 printf(" %u", EXTRACT_32BITS(&rh->rh_ssrc)); 264 cnt = 0; 265 break; 266 default: 267 printf(" type-0x%x %d", flags & 0xff, len); 268 cnt = 0; 269 break; 270 } 271 if (cnt > 1) 272 printf(" c%d", cnt); 273 while (--cnt >= 0) { 274 if ((u_char *)(rr + 1) > ep) { 275 printf(" [|rtcp]"); 276 return (ep); 277 } 278 if (vflag) 279 printf(" %u", EXTRACT_32BITS(&rr->rr_srcid)); 280 ts = (double)(EXTRACT_32BITS(&rr->rr_lsr)) / 65536.; 281 dts = (double)(EXTRACT_32BITS(&rr->rr_dlsr)) / 65536.; 282 printf(" %ul %us %uj @%.2f+%.2f", 283 EXTRACT_32BITS(&rr->rr_nl) & 0x00ffffff, 284 EXTRACT_32BITS(&rr->rr_ls), 285 EXTRACT_32BITS(&rr->rr_dv), ts, dts); 286 } 287 return (hdr + len); 288 } 289 290 static int udp_cksum(register const struct ip *ip, 291 register const struct udphdr *up, 292 register u_int len) 293 { 294 return (nextproto4_cksum(ip, (const u_int8_t *)(void *)up, len, 295 IPPROTO_UDP)); 296 } 297 298 #ifdef INET6 299 static int udp6_cksum(const struct ip6_hdr *ip6, const struct udphdr *up, 300 u_int len) 301 { 302 return (nextproto6_cksum(ip6, (const u_int8_t *)(void *)up, len, 303 IPPROTO_UDP)); 304 } 305 #endif 306 307 static void 308 udpipaddr_print(const struct ip *ip, int sport, int dport) 309 { 310 #ifdef INET6 311 const struct ip6_hdr *ip6; 312 313 if (IP_V(ip) == 6) 314 ip6 = (const struct ip6_hdr *)ip; 315 else 316 ip6 = NULL; 317 318 if (ip6) { 319 if (ip6->ip6_nxt == IPPROTO_UDP) { 320 if (sport == -1) { 321 (void)printf("%s > %s: ", 322 ip6addr_string(&ip6->ip6_src), 323 ip6addr_string(&ip6->ip6_dst)); 324 } else { 325 (void)printf("%s.%s > %s.%s: ", 326 ip6addr_string(&ip6->ip6_src), 327 udpport_string(sport), 328 ip6addr_string(&ip6->ip6_dst), 329 udpport_string(dport)); 330 } 331 } else { 332 if (sport != -1) { 333 (void)printf("%s > %s: ", 334 udpport_string(sport), 335 udpport_string(dport)); 336 } 337 } 338 } else 339 #endif /*INET6*/ 340 { 341 if (ip->ip_p == IPPROTO_UDP) { 342 if (sport == -1) { 343 (void)printf("%s > %s: ", 344 ipaddr_string(&ip->ip_src), 345 ipaddr_string(&ip->ip_dst)); 346 } else { 347 (void)printf("%s.%s > %s.%s: ", 348 ipaddr_string(&ip->ip_src), 349 udpport_string(sport), 350 ipaddr_string(&ip->ip_dst), 351 udpport_string(dport)); 352 } 353 } else { 354 if (sport != -1) { 355 (void)printf("%s > %s: ", 356 udpport_string(sport), 357 udpport_string(dport)); 358 } 359 } 360 } 361 } 362 363 void 364 udp_print(register const u_char *bp, u_int length, 365 register const u_char *bp2, int fragmented) 366 { 367 register const struct udphdr *up; 368 register const struct ip *ip; 369 register const u_char *cp; 370 register const u_char *ep = bp + length; 371 u_int16_t sport, dport, ulen; 372 #ifdef INET6 373 register const struct ip6_hdr *ip6; 374 #endif 375 376 if (ep > snapend) 377 ep = snapend; 378 up = (struct udphdr *)bp; 379 ip = (struct ip *)bp2; 380 #ifdef INET6 381 if (IP_V(ip) == 6) 382 ip6 = (struct ip6_hdr *)bp2; 383 else 384 ip6 = NULL; 385 #endif /*INET6*/ 386 cp = (u_char *)(up + 1); 387 if (!TTEST(up->uh_dport)) { 388 udpipaddr_print(ip, -1, -1); 389 (void)printf("[|udp]"); 390 return; 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(ip, sport, dport); 398 (void)printf("truncated-udp %d", length); 399 return; 400 } 401 length -= sizeof(struct udphdr); 402 403 if (cp > snapend) { 404 udpipaddr_print(ip, sport, dport); 405 (void)printf("[|udp]"); 406 return; 407 } 408 409 ulen = EXTRACT_16BITS(&up->uh_ulen); 410 if (ulen < 8) { 411 udpipaddr_print(ip, sport, dport); 412 (void)printf("truncated-udplength %d", ulen); 413 return; 414 } 415 if (packettype) { 416 register struct sunrpc_msg *rp; 417 enum sunrpc_msg_type direction; 418 419 switch (packettype) { 420 421 case PT_VAT: 422 udpipaddr_print(ip, sport, dport); 423 vat_print((void *)(up + 1), up); 424 break; 425 426 case PT_WB: 427 udpipaddr_print(ip, sport, dport); 428 wb_print((void *)(up + 1), length); 429 break; 430 431 case PT_RPC: 432 rp = (struct sunrpc_msg *)(up + 1); 433 direction = (enum sunrpc_msg_type)EXTRACT_32BITS(&rp->rm_direction); 434 if (direction == SUNRPC_CALL) 435 sunrpcrequest_print((u_char *)rp, length, 436 (u_char *)ip); 437 else 438 nfsreply_print((u_char *)rp, length, 439 (u_char *)ip); /*XXX*/ 440 break; 441 442 case PT_RTP: 443 udpipaddr_print(ip, sport, dport); 444 rtp_print((void *)(up + 1), length, up); 445 break; 446 447 case PT_RTCP: 448 udpipaddr_print(ip, sport, dport); 449 while (cp < ep) 450 cp = rtcp_print(cp, ep); 451 break; 452 453 case PT_SNMP: 454 udpipaddr_print(ip, sport, dport); 455 snmp_print((const u_char *)(up + 1), length); 456 break; 457 458 case PT_CNFP: 459 udpipaddr_print(ip, sport, dport); 460 cnfp_print(cp, (const u_char *)ip); 461 break; 462 463 case PT_TFTP: 464 udpipaddr_print(ip, sport, dport); 465 tftp_print(cp, length); 466 break; 467 468 case PT_AODV: 469 udpipaddr_print(ip, sport, dport); 470 aodv_print((const u_char *)(up + 1), length, 471 #ifdef INET6 472 ip6 != NULL); 473 #else 474 0); 475 #endif 476 break; 477 } 478 return; 479 } 480 481 if (!qflag) { 482 register struct sunrpc_msg *rp; 483 enum sunrpc_msg_type direction; 484 485 rp = (struct sunrpc_msg *)(up + 1); 486 if (TTEST(rp->rm_direction)) { 487 direction = (enum sunrpc_msg_type)EXTRACT_32BITS(&rp->rm_direction); 488 if (dport == NFS_PORT && direction == SUNRPC_CALL) { 489 nfsreq_print((u_char *)rp, length, 490 (u_char *)ip); 491 return; 492 } 493 if (sport == NFS_PORT && direction == SUNRPC_REPLY) { 494 nfsreply_print((u_char *)rp, length, 495 (u_char *)ip); 496 return; 497 } 498 #ifdef notdef 499 if (dport == SUNRPC_PORT && direction == SUNRPC_CALL) { 500 sunrpcrequest_print((u_char *)rp, length, (u_char *)ip); 501 return; 502 } 503 #endif 504 } 505 if (TTEST(((struct LAP *)cp)->type) && 506 ((struct LAP *)cp)->type == lapDDP && 507 (atalk_port(sport) || atalk_port(dport))) { 508 if (vflag) 509 fputs("kip ", stdout); 510 llap_print(cp, length); 511 return; 512 } 513 } 514 udpipaddr_print(ip, sport, dport); 515 516 if (vflag && !Kflag && !fragmented) { 517 /* Check the checksum, if possible. */ 518 u_int16_t sum, udp_sum; 519 520 /* 521 * XXX - do this even if vflag == 1? 522 * TCP does, and we do so for UDP-over-IPv6. 523 */ 524 if (IP_V(ip) == 4 && (vflag > 1)) { 525 udp_sum = EXTRACT_16BITS(&up->uh_sum); 526 if (udp_sum == 0) { 527 (void)printf("[no cksum] "); 528 } else if (TTEST2(cp[0], length)) { 529 sum = udp_cksum(ip, up, length + sizeof(struct udphdr)); 530 531 if (sum != 0) { 532 (void)printf("[bad udp cksum 0x%04x -> 0x%04x!] ", 533 udp_sum, 534 in_cksum_shouldbe(udp_sum, sum)); 535 } else 536 (void)printf("[udp sum ok] "); 537 } 538 } 539 #ifdef INET6 540 else if (IP_V(ip) == 6 && ip6->ip6_plen) { 541 /* for IPv6, UDP checksum is mandatory */ 542 if (TTEST2(cp[0], length)) { 543 sum = udp6_cksum(ip6, up, length + sizeof(struct udphdr)); 544 udp_sum = EXTRACT_16BITS(&up->uh_sum); 545 546 if (sum != 0) { 547 (void)printf("[bad udp cksum 0x%04x -> 0x%04x!] ", 548 udp_sum, 549 in_cksum_shouldbe(udp_sum, sum)); 550 } else 551 (void)printf("[udp sum ok] "); 552 } 553 } 554 #endif 555 } 556 557 if (!qflag) { 558 #define ISPORT(p) (dport == (p) || sport == (p)) 559 if (ISPORT(NAMESERVER_PORT)) 560 ns_print((const u_char *)(up + 1), length, 0); 561 else if (ISPORT(MULTICASTDNS_PORT)) 562 ns_print((const u_char *)(up + 1), length, 1); 563 else if (ISPORT(TIMED_PORT)) 564 timed_print((const u_char *)(up + 1)); 565 else if (ISPORT(TFTP_PORT)) 566 tftp_print((const u_char *)(up + 1), length); 567 else if (ISPORT(IPPORT_BOOTPC) || ISPORT(IPPORT_BOOTPS)) 568 bootp_print((const u_char *)(up + 1), length); 569 else if (ISPORT(RIP_PORT)) 570 rip_print((const u_char *)(up + 1), length); 571 else if (ISPORT(AODV_PORT)) 572 aodv_print((const u_char *)(up + 1), length, 573 #ifdef INET6 574 ip6 != NULL); 575 #else 576 0); 577 #endif 578 else if (ISPORT(ISAKMP_PORT)) 579 isakmp_print(gndo, (const u_char *)(up + 1), length, bp2); 580 else if (ISPORT(ISAKMP_PORT_NATT)) 581 isakmp_rfc3948_print(gndo, (const u_char *)(up + 1), length, bp2); 582 #if 1 /*???*/ 583 else if (ISPORT(ISAKMP_PORT_USER1) || ISPORT(ISAKMP_PORT_USER2)) 584 isakmp_print(gndo, (const u_char *)(up + 1), length, bp2); 585 #endif 586 else if (ISPORT(SNMP_PORT) || ISPORT(SNMPTRAP_PORT)) 587 snmp_print((const u_char *)(up + 1), length); 588 else if (ISPORT(NTP_PORT)) 589 ntp_print((const u_char *)(up + 1), length); 590 else if (ISPORT(KERBEROS_PORT) || ISPORT(KERBEROS_SEC_PORT)) 591 krb_print((const void *)(up + 1)); 592 else if (ISPORT(L2TP_PORT)) 593 l2tp_print((const u_char *)(up + 1), length); 594 #ifdef TCPDUMP_DO_SMB 595 else if (ISPORT(NETBIOS_NS_PORT)) 596 nbt_udp137_print((const u_char *)(up + 1), length); 597 else if (ISPORT(NETBIOS_DGRAM_PORT)) 598 nbt_udp138_print((const u_char *)(up + 1), length); 599 #endif 600 else if (dport == 3456) 601 vat_print((const void *)(up + 1), up); 602 else if (ISPORT(ZEPHYR_SRV_PORT) || ISPORT(ZEPHYR_CLT_PORT)) 603 zephyr_print((const void *)(up + 1), length); 604 /* 605 * Since there are 10 possible ports to check, I think 606 * a <> test would be more efficient 607 */ 608 else if ((sport >= RX_PORT_LOW && sport <= RX_PORT_HIGH) || 609 (dport >= RX_PORT_LOW && dport <= RX_PORT_HIGH)) 610 rx_print((const void *)(up + 1), length, sport, dport, 611 (u_char *) ip); 612 #ifdef INET6 613 else if (ISPORT(RIPNG_PORT)) 614 ripng_print((const u_char *)(up + 1), length); 615 else if (ISPORT(DHCP6_SERV_PORT) || ISPORT(DHCP6_CLI_PORT)) 616 dhcp6_print((const u_char *)(up + 1), length); 617 else if (ISPORT(BABEL_PORT) || ISPORT(BABEL_PORT_OLD)) 618 babel_print((const u_char *)(up + 1), length); 619 #endif /*INET6*/ 620 /* 621 * Kludge in test for whiteboard packets. 622 */ 623 else if (dport == 4567) 624 wb_print((const void *)(up + 1), length); 625 else if (ISPORT(CISCO_AUTORP_PORT)) 626 cisco_autorp_print((const void *)(up + 1), length); 627 else if (ISPORT(RADIUS_PORT) || 628 ISPORT(RADIUS_NEW_PORT) || 629 ISPORT(RADIUS_ACCOUNTING_PORT) || 630 ISPORT(RADIUS_NEW_ACCOUNTING_PORT) ) 631 radius_print((const u_char *)(up+1), length); 632 else if (dport == HSRP_PORT) 633 hsrp_print((const u_char *)(up + 1), length); 634 else if (ISPORT(LWRES_PORT)) 635 lwres_print((const u_char *)(up + 1), length); 636 else if (ISPORT(LDP_PORT)) 637 ldp_print((const u_char *)(up + 1), length); 638 else if (ISPORT(OLSR_PORT)) 639 olsr_print((const u_char *)(up + 1), length, 640 #if INET6 641 (IP_V(ip) == 6) ? 1 : 0); 642 #else 643 0); 644 #endif 645 else if (ISPORT(MPLS_LSP_PING_PORT)) 646 lspping_print((const u_char *)(up + 1), length); 647 else if (dport == BFD_CONTROL_PORT || 648 dport == BFD_ECHO_PORT ) 649 bfd_print((const u_char *)(up+1), length, dport); 650 else if (ISPORT(LMP_PORT)) 651 lmp_print((const u_char *)(up + 1), length); 652 else if (ISPORT(VQP_PORT)) 653 vqp_print((const u_char *)(up + 1), length); 654 else if (ISPORT(SFLOW_PORT)) 655 sflow_print((const u_char *)(up + 1), length); 656 else if (dport == LWAPP_CONTROL_PORT) 657 lwapp_control_print((const u_char *)(up + 1), length, 1); 658 else if (sport == LWAPP_CONTROL_PORT) 659 lwapp_control_print((const u_char *)(up + 1), length, 0); 660 else if (ISPORT(LWAPP_DATA_PORT)) 661 lwapp_data_print((const u_char *)(up + 1), length); 662 else if (ISPORT(SIP_PORT)) 663 sip_print((const u_char *)(up + 1), length); 664 else if (ISPORT(SYSLOG_PORT)) 665 syslog_print((const u_char *)(up + 1), length); 666 else 667 (void)printf("UDP, length %u", 668 (u_int32_t)(ulen - sizeof(*up))); 669 #undef ISPORT 670 } else 671 (void)printf("UDP, length %u", (u_int32_t)(ulen - sizeof(*up))); 672 } 673 674 675 /* 676 * Local Variables: 677 * c-style: whitesmith 678 * c-basic-offset: 8 679 * End: 680 */ 681 682
Indexes created Sun Mar 01 05:31:48 UTC 2026