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 * $FreeBSD$ 22 */ 23 24 #ifndef lint 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 #endif 28 29 #ifdef HAVE_CONFIG_H 30 #include "config.h" 31 #endif 32 33 #include <tcpdump-stdinc.h> 34 35 #ifdef SEGSIZE 36 #undef SEGSIZE 37 #endif 38 39 #include <stdio.h> 40 #include <string.h> 41 42 #include "interface.h" 43 #include "addrtoname.h" 44 #include "extract.h" 45 #include "appletalk.h" 46 47 #include "udp.h" 48 49 #include "ip.h" 50 #ifdef INET6 51 #include "ip6.h" 52 #endif 53 #include "ipproto.h" 54 #include "rpc_auth.h" 55 #include "rpc_msg.h" 56 57 #include "nameser.h" 58 #include "nfs.h" 59 #include "bootp.h" 60 61 struct rtcphdr { 62 u_int16_t rh_flags; /* T:2 P:1 CNT:5 PT:8 */ 63 u_int16_t rh_len; /* length of message (in words) */ 64 u_int32_t rh_ssrc; /* synchronization src id */ 65 }; 66 67 typedef struct { 68 u_int32_t upper; /* more significant 32 bits */ 69 u_int32_t lower; /* less significant 32 bits */ 70 } ntp64; 71 72 /* 73 * Sender report. 74 */ 75 struct rtcp_sr { 76 ntp64 sr_ntp; /* 64-bit ntp timestamp */ 77 u_int32_t sr_ts; /* reference media timestamp */ 78 u_int32_t sr_np; /* no. packets sent */ 79 u_int32_t sr_nb; /* no. bytes sent */ 80 }; 81 82 /* 83 * Receiver report. 84 * Time stamps are middle 32-bits of ntp timestamp. 85 */ 86 struct rtcp_rr { 87 u_int32_t rr_srcid; /* sender being reported */ 88 u_int32_t rr_nl; /* no. packets lost */ 89 u_int32_t rr_ls; /* extended last seq number received */ 90 u_int32_t rr_dv; /* jitter (delay variance) */ 91 u_int32_t rr_lsr; /* orig. ts from last rr from this src */ 92 u_int32_t rr_dlsr; /* time from recpt of last rr to xmit time */ 93 }; 94 95 /*XXX*/ 96 #define RTCP_PT_SR 200 97 #define RTCP_PT_RR 201 98 #define RTCP_PT_SDES 202 99 #define RTCP_SDES_CNAME 1 100 #define RTCP_SDES_NAME 2 101 #define RTCP_SDES_EMAIL 3 102 #define RTCP_SDES_PHONE 4 103 #define RTCP_SDES_LOC 5 104 #define RTCP_SDES_TOOL 6 105 #define RTCP_SDES_NOTE 7 106 #define RTCP_SDES_PRIV 8 107 #define RTCP_PT_BYE 203 108 #define RTCP_PT_APP 204 109 110 static void 111 vat_print(const void *hdr, register const struct udphdr *up) 112 { 113 /* vat/vt audio */ 114 u_int ts = *(u_int16_t *)hdr; 115 if ((ts & 0xf060) != 0) { 116 /* probably vt */ 117 (void)printf("udp/vt %u %d / %d", 118 (u_int32_t)(EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up)), 119 ts & 0x3ff, ts >> 10); 120 } else { 121 /* probably vat */ 122 u_int32_t i0 = EXTRACT_32BITS(&((u_int *)hdr)[0]); 123 u_int32_t i1 = EXTRACT_32BITS(&((u_int *)hdr)[1]); 124 printf("udp/vat %u c%d %u%s", 125 (u_int32_t)(EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up) - 8), 126 i0 & 0xffff, 127 i1, i0 & 0x800000? "*" : ""); 128 /* audio format */ 129 if (i0 & 0x1f0000) 130 printf(" f%d", (i0 >> 16) & 0x1f); 131 if (i0 & 0x3f000000) 132 printf(" s%d", (i0 >> 24) & 0x3f); 133 } 134 } 135 136 static void 137 rtp_print(const void *hdr, u_int len, register const struct udphdr *up) 138 { 139 /* rtp v1 or v2 */ 140 u_int *ip = (u_int *)hdr; 141 u_int hasopt, hasext, contype, hasmarker; 142 u_int32_t i0 = EXTRACT_32BITS(&((u_int *)hdr)[0]); 143 u_int32_t i1 = EXTRACT_32BITS(&((u_int *)hdr)[1]); 144 u_int dlen = EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up) - 8; 145 const char * ptype; 146 147 ip += 2; 148 len >>= 2; 149 len -= 2; 150 hasopt = 0; 151 hasext = 0; 152 if ((i0 >> 30) == 1) { 153 /* rtp v1 */ 154 hasopt = i0 & 0x800000; 155 contype = (i0 >> 16) & 0x3f; 156 hasmarker = i0 & 0x400000; 157 ptype = "rtpv1"; 158 } else { 159 /* rtp v2 */ 160 hasext = i0 & 0x10000000; 161 contype = (i0 >> 16) & 0x7f; 162 hasmarker = i0 & 0x800000; 163 dlen -= 4; 164 ptype = "rtp"; 165 ip += 1; 166 len -= 1; 167 } 168 printf("udp/%s %d c%d %s%s %d %u", 169 ptype, 170 dlen, 171 contype, 172 (hasopt || hasext)? "+" : "", 173 hasmarker? "*" : "", 174 i0 & 0xffff, 175 i1); 176 if (vflag) { 177 printf(" %u", EXTRACT_32BITS(&((u_int *)hdr)[2])); 178 if (hasopt) { 179 u_int i2, optlen; 180 do { 181 i2 = ip[0]; 182 optlen = (i2 >> 16) & 0xff; 183 if (optlen == 0 || optlen > len) { 184 printf(" !opt"); 185 return; 186 } 187 ip += optlen; 188 len -= optlen; 189 } while ((int)i2 >= 0); 190 } 191 if (hasext) { 192 u_int i2, extlen; 193 i2 = ip[0]; 194 extlen = (i2 & 0xffff) + 1; 195 if (extlen > len) { 196 printf(" !ext"); 197 return; 198 } 199 ip += extlen; 200 } 201 if (contype == 0x1f) /*XXX H.261 */ 202 printf(" 0x%04x", ip[0] >> 16); 203 } 204 } 205 206 static const u_char * 207 rtcp_print(const u_char *hdr, const u_char *ep) 208 { 209 /* rtp v2 control (rtcp) */ 210 struct rtcp_rr *rr = 0; 211 struct rtcp_sr *sr; 212 struct rtcphdr *rh = (struct rtcphdr *)hdr; 213 u_int len; 214 u_int16_t flags; 215 int cnt; 216 double ts, dts; 217 if ((u_char *)(rh + 1) > ep) { 218 printf(" [|rtcp]"); 219 return (ep); 220 } 221 len = (EXTRACT_16BITS(&rh->rh_len) + 1) * 4; 222 flags = EXTRACT_16BITS(&rh->rh_flags); 223 cnt = (flags >> 8) & 0x1f; 224 switch (flags & 0xff) { 225 case RTCP_PT_SR: 226 sr = (struct rtcp_sr *)(rh + 1); 227 printf(" sr"); 228 if (len != cnt * sizeof(*rr) + sizeof(*sr) + sizeof(*rh)) 229 printf(" [%d]", len); 230 if (vflag) 231 printf(" %u", EXTRACT_32BITS(&rh->rh_ssrc)); 232 if ((u_char *)(sr + 1) > ep) { 233 printf(" [|rtcp]"); 234 return (ep); 235 } 236 ts = (double)(EXTRACT_32BITS(&sr->sr_ntp.upper)) + 237 ((double)(EXTRACT_32BITS(&sr->sr_ntp.lower)) / 238 4294967296.0); 239 printf(" @%.2f %u %up %ub", ts, EXTRACT_32BITS(&sr->sr_ts), 240 EXTRACT_32BITS(&sr->sr_np), EXTRACT_32BITS(&sr->sr_nb)); 241 rr = (struct rtcp_rr *)(sr + 1); 242 break; 243 case RTCP_PT_RR: 244 printf(" rr"); 245 if (len != cnt * sizeof(*rr) + sizeof(*rh)) 246 printf(" [%d]", len); 247 rr = (struct rtcp_rr *)(rh + 1); 248 if (vflag) 249 printf(" %u", EXTRACT_32BITS(&rh->rh_ssrc)); 250 break; 251 case RTCP_PT_SDES: 252 printf(" sdes %d", len); 253 if (vflag) 254 printf(" %u", EXTRACT_32BITS(&rh->rh_ssrc)); 255 cnt = 0; 256 break; 257 case RTCP_PT_BYE: 258 printf(" bye %d", len); 259 if (vflag) 260 printf(" %u", EXTRACT_32BITS(&rh->rh_ssrc)); 261 cnt = 0; 262 break; 263 default: 264 printf(" type-0x%x %d", flags & 0xff, len); 265 cnt = 0; 266 break; 267 } 268 if (cnt > 1) 269 printf(" c%d", cnt); 270 while (--cnt >= 0) { 271 if ((u_char *)(rr + 1) > ep) { 272 printf(" [|rtcp]"); 273 return (ep); 274 } 275 if (vflag) 276 printf(" %u", EXTRACT_32BITS(&rr->rr_srcid)); 277 ts = (double)(EXTRACT_32BITS(&rr->rr_lsr)) / 65536.; 278 dts = (double)(EXTRACT_32BITS(&rr->rr_dlsr)) / 65536.; 279 printf(" %ul %us %uj @%.2f+%.2f", 280 EXTRACT_32BITS(&rr->rr_nl) & 0x00ffffff, 281 EXTRACT_32BITS(&rr->rr_ls), 282 EXTRACT_32BITS(&rr->rr_dv), ts, dts); 283 } 284 return (hdr + len); 285 } 286 287 static int udp_cksum(register const struct ip *ip, 288 register const struct udphdr *up, 289 register u_int len) 290 { 291 return (nextproto4_cksum(ip, (const u_int8_t *)(void *)up, len, 292 IPPROTO_UDP)); 293 } 294 295 #ifdef INET6 296 static int udp6_cksum(const struct ip6_hdr *ip6, const struct udphdr *up, 297 u_int len) 298 { 299 return (nextproto6_cksum(ip6, (const u_int8_t *)(void *)up, len, 300 IPPROTO_UDP)); 301 } 302 #endif 303 304 static void 305 udpipaddr_print(const struct ip *ip, int sport, int dport) 306 { 307 #ifdef INET6 308 const struct ip6_hdr *ip6; 309 310 if (IP_V(ip) == 6) 311 ip6 = (const struct ip6_hdr *)ip; 312 else 313 ip6 = NULL; 314 315 if (ip6) { 316 if (ip6->ip6_nxt == IPPROTO_UDP) { 317 if (sport == -1) { 318 (void)printf("%s > %s: ", 319 ip6addr_string(&ip6->ip6_src), 320 ip6addr_string(&ip6->ip6_dst)); 321 } else { 322 (void)printf("%s.%s > %s.%s: ", 323 ip6addr_string(&ip6->ip6_src), 324 udpport_string(sport), 325 ip6addr_string(&ip6->ip6_dst), 326 udpport_string(dport)); 327 } 328 } else { 329 if (sport != -1) { 330 (void)printf("%s > %s: ", 331 udpport_string(sport), 332 udpport_string(dport)); 333 } 334 } 335 } else 336 #endif /*INET6*/ 337 { 338 if (ip->ip_p == IPPROTO_UDP) { 339 if (sport == -1) { 340 (void)printf("%s > %s: ", 341 ipaddr_string(&ip->ip_src), 342 ipaddr_string(&ip->ip_dst)); 343 } else { 344 (void)printf("%s.%s > %s.%s: ", 345 ipaddr_string(&ip->ip_src), 346 udpport_string(sport), 347 ipaddr_string(&ip->ip_dst), 348 udpport_string(dport)); 349 } 350 } else { 351 if (sport != -1) { 352 (void)printf("%s > %s: ", 353 udpport_string(sport), 354 udpport_string(dport)); 355 } 356 } 357 } 358 } 359 360 void 361 udp_print(register const u_char *bp, u_int length, 362 register const u_char *bp2, int fragmented) 363 { 364 register const struct udphdr *up; 365 register const struct ip *ip; 366 register const u_char *cp; 367 register const u_char *ep = bp + length; 368 u_int16_t sport, dport, ulen; 369 #ifdef INET6 370 register const struct ip6_hdr *ip6; 371 #endif 372 373 if (ep > snapend) 374 ep = snapend; 375 up = (struct udphdr *)bp; 376 ip = (struct ip *)bp2; 377 #ifdef INET6 378 if (IP_V(ip) == 6) 379 ip6 = (struct ip6_hdr *)bp2; 380 else 381 ip6 = NULL; 382 #endif /*INET6*/ 383 cp = (u_char *)(up + 1); 384 if (!TTEST(up->uh_dport)) { 385 udpipaddr_print(ip, -1, -1); 386 (void)printf("[|udp]"); 387 return; 388 } 389 390 sport = EXTRACT_16BITS(&up->uh_sport); 391 dport = EXTRACT_16BITS(&up->uh_dport); 392 393 if (length < sizeof(struct udphdr)) { 394 udpipaddr_print(ip, sport, dport); 395 (void)printf("truncated-udp %d", length); 396 return; 397 } 398 length -= sizeof(struct udphdr); 399 400 if (cp > snapend) { 401 udpipaddr_print(ip, sport, dport); 402 (void)printf("[|udp]"); 403 return; 404 } 405 406 ulen = EXTRACT_16BITS(&up->uh_ulen); 407 if (ulen < 8) { 408 udpipaddr_print(ip, sport, dport); 409 (void)printf("truncated-udplength %d", ulen); 410 return; 411 } 412 if (packettype) { 413 register struct sunrpc_msg *rp; 414 enum sunrpc_msg_type direction; 415 416 switch (packettype) { 417 418 case PT_VAT: 419 udpipaddr_print(ip, sport, dport); 420 vat_print((void *)(up + 1), up); 421 break; 422 423 case PT_WB: 424 udpipaddr_print(ip, sport, dport); 425 wb_print((void *)(up + 1), length); 426 break; 427 428 case PT_RPC: 429 rp = (struct sunrpc_msg *)(up + 1); 430 direction = (enum sunrpc_msg_type)EXTRACT_32BITS(&rp->rm_direction); 431 if (direction == SUNRPC_CALL) 432 sunrpcrequest_print((u_char *)rp, length, 433 (u_char *)ip); 434 else 435 nfsreply_print((u_char *)rp, length, 436 (u_char *)ip); /*XXX*/ 437 break; 438 439 case PT_RTP: 440 udpipaddr_print(ip, sport, dport); 441 rtp_print((void *)(up + 1), length, up); 442 break; 443 444 case PT_RTCP: 445 udpipaddr_print(ip, sport, dport); 446 while (cp < ep) 447 cp = rtcp_print(cp, ep); 448 break; 449 450 case PT_SNMP: 451 udpipaddr_print(ip, sport, dport); 452 snmp_print((const u_char *)(up + 1), length); 453 break; 454 455 case PT_CNFP: 456 udpipaddr_print(ip, sport, dport); 457 cnfp_print(cp, (const u_char *)ip); 458 break; 459 460 case PT_TFTP: 461 udpipaddr_print(ip, sport, dport); 462 tftp_print(cp, length); 463 break; 464 465 case PT_AODV: 466 udpipaddr_print(ip, sport, dport); 467 aodv_print((const u_char *)(up + 1), length, 468 #ifdef INET6 469 ip6 != NULL); 470 #else 471 0); 472 #endif 473 break; 474 } 475 return; 476 } 477 478 if (!qflag) { 479 register struct sunrpc_msg *rp; 480 enum sunrpc_msg_type direction; 481 482 rp = (struct sunrpc_msg *)(up + 1); 483 if (TTEST(rp->rm_direction)) { 484 direction = (enum sunrpc_msg_type)EXTRACT_32BITS(&rp->rm_direction); 485 if (dport == NFS_PORT && direction == SUNRPC_CALL) { 486 nfsreq_print((u_char *)rp, length, 487 (u_char *)ip); 488 return; 489 } 490 if (sport == NFS_PORT && direction == SUNRPC_REPLY) { 491 nfsreply_print((u_char *)rp, length, 492 (u_char *)ip); 493 return; 494 } 495 #ifdef notdef 496 if (dport == SUNRPC_PORT && direction == SUNRPC_CALL) { 497 sunrpcrequest_print((u_char *)rp, length, (u_char *)ip); 498 return; 499 } 500 #endif 501 } 502 if (TTEST(((struct LAP *)cp)->type) && 503 ((struct LAP *)cp)->type == lapDDP && 504 (atalk_port(sport) || atalk_port(dport))) { 505 if (vflag) 506 fputs("kip ", stdout); 507 llap_print(cp, length); 508 return; 509 } 510 } 511 udpipaddr_print(ip, sport, dport); 512 513 if (vflag && !Kflag && !fragmented) { 514 /* Check the checksum, if possible. */ 515 u_int16_t sum, udp_sum; 516 517 /* 518 * XXX - do this even if vflag == 1? 519 * TCP does, and we do so for UDP-over-IPv6. 520 */ 521 if (IP_V(ip) == 4 && (vflag > 1)) { 522 udp_sum = EXTRACT_16BITS(&up->uh_sum); 523 if (udp_sum == 0) { 524 (void)printf("[no cksum] "); 525 } else if (TTEST2(cp[0], length)) { 526 sum = udp_cksum(ip, up, length + sizeof(struct udphdr)); 527 528 if (sum != 0) { 529 (void)printf("[bad udp cksum 0x%04x -> 0x%04x!] ", 530 udp_sum, 531 in_cksum_shouldbe(udp_sum, sum)); 532 } else 533 (void)printf("[udp sum ok] "); 534 } 535 } 536 #ifdef INET6 537 else if (IP_V(ip) == 6 && ip6->ip6_plen) { 538 /* for IPv6, UDP checksum is mandatory */ 539 if (TTEST2(cp[0], length)) { 540 sum = udp6_cksum(ip6, up, length + sizeof(struct udphdr)); 541 udp_sum = EXTRACT_16BITS(&up->uh_sum); 542 543 if (sum != 0) { 544 (void)printf("[bad udp cksum 0x%04x -> 0x%04x!] ", 545 udp_sum, 546 in_cksum_shouldbe(udp_sum, sum)); 547 } else 548 (void)printf("[udp sum ok] "); 549 } 550 } 551 #endif 552 } 553 554 if (!qflag) { 555 #define ISPORT(p) (dport == (p) || sport == (p)) 556 if (ISPORT(NAMESERVER_PORT)) 557 ns_print((const u_char *)(up + 1), length, 0); 558 else if (ISPORT(MULTICASTDNS_PORT)) 559 ns_print((const u_char *)(up + 1), length, 1); 560 else if (ISPORT(TIMED_PORT)) 561 timed_print((const u_char *)(up + 1)); 562 else if (ISPORT(TFTP_PORT)) 563 tftp_print((const u_char *)(up + 1), length); 564 else if (ISPORT(IPPORT_BOOTPC) || ISPORT(IPPORT_BOOTPS)) 565 bootp_print((const u_char *)(up + 1), length); 566 else if (ISPORT(RIP_PORT)) 567 rip_print((const u_char *)(up + 1), length); 568 else if (ISPORT(AODV_PORT)) 569 aodv_print((const u_char *)(up + 1), length, 570 #ifdef INET6 571 ip6 != NULL); 572 #else 573 0); 574 #endif 575 else if (ISPORT(ISAKMP_PORT)) 576 isakmp_print(gndo, (const u_char *)(up + 1), length, bp2); 577 else if (ISPORT(ISAKMP_PORT_NATT)) 578 isakmp_rfc3948_print(gndo, (const u_char *)(up + 1), length, bp2); 579 #if 1 /*???*/ 580 else if (ISPORT(ISAKMP_PORT_USER1) || ISPORT(ISAKMP_PORT_USER2)) 581 isakmp_print(gndo, (const u_char *)(up + 1), length, bp2); 582 #endif 583 else if (ISPORT(SNMP_PORT) || ISPORT(SNMPTRAP_PORT)) 584 snmp_print((const u_char *)(up + 1), length); 585 else if (ISPORT(NTP_PORT)) 586 ntp_print((const u_char *)(up + 1), length); 587 else if (ISPORT(KERBEROS_PORT) || ISPORT(KERBEROS_SEC_PORT)) 588 krb_print((const void *)(up + 1)); 589 else if (ISPORT(L2TP_PORT)) 590 l2tp_print((const u_char *)(up + 1), length); 591 #ifdef TCPDUMP_DO_SMB 592 else if (ISPORT(NETBIOS_NS_PORT)) 593 nbt_udp137_print((const u_char *)(up + 1), length); 594 else if (ISPORT(NETBIOS_DGRAM_PORT)) 595 nbt_udp138_print((const u_char *)(up + 1), length); 596 #endif 597 else if (dport == 3456) 598 vat_print((const void *)(up + 1), up); 599 else if (ISPORT(ZEPHYR_SRV_PORT) || ISPORT(ZEPHYR_CLT_PORT)) 600 zephyr_print((const void *)(up + 1), length); 601 /* 602 * Since there are 10 possible ports to check, I think 603 * a <> test would be more efficient 604 */ 605 else if ((sport >= RX_PORT_LOW && sport <= RX_PORT_HIGH) || 606 (dport >= RX_PORT_LOW && dport <= RX_PORT_HIGH)) 607 rx_print((const void *)(up + 1), length, sport, dport, 608 (u_char *) ip); 609 #ifdef INET6 610 else if (ISPORT(RIPNG_PORT)) 611 ripng_print((const u_char *)(up + 1), length); 612 else if (ISPORT(DHCP6_SERV_PORT) || ISPORT(DHCP6_CLI_PORT)) 613 dhcp6_print((const u_char *)(up + 1), length); 614 else if (ISPORT(BABEL_PORT) || ISPORT(BABEL_PORT_OLD)) 615 babel_print((const u_char *)(up + 1), length); 616 #endif /*INET6*/ 617 /* 618 * Kludge in test for whiteboard packets. 619 */ 620 else if (dport == 4567) 621 wb_print((const void *)(up + 1), length); 622 else if (ISPORT(CISCO_AUTORP_PORT)) 623 cisco_autorp_print((const void *)(up + 1), length); 624 else if (ISPORT(RADIUS_PORT) || 625 ISPORT(RADIUS_NEW_PORT) || 626 ISPORT(RADIUS_ACCOUNTING_PORT) || 627 ISPORT(RADIUS_NEW_ACCOUNTING_PORT) ) 628 radius_print((const u_char *)(up+1), length); 629 else if (dport == HSRP_PORT) 630 hsrp_print((const u_char *)(up + 1), length); 631 else if (ISPORT(LWRES_PORT)) 632 lwres_print((const u_char *)(up + 1), length); 633 else if (ISPORT(LDP_PORT)) 634 ldp_print((const u_char *)(up + 1), length); 635 else if (ISPORT(OLSR_PORT)) 636 olsr_print((const u_char *)(up + 1), length, 637 #if INET6 638 (IP_V(ip) == 6) ? 1 : 0); 639 #else 640 0); 641 #endif 642 else if (ISPORT(MPLS_LSP_PING_PORT)) 643 lspping_print((const u_char *)(up + 1), length); 644 else if (dport == BFD_CONTROL_PORT || 645 dport == BFD_ECHO_PORT ) 646 bfd_print((const u_char *)(up+1), length, dport); 647 else if (ISPORT(LMP_PORT)) 648 lmp_print((const u_char *)(up + 1), length); 649 else if (ISPORT(VQP_PORT)) 650 vqp_print((const u_char *)(up + 1), length); 651 else if (ISPORT(SFLOW_PORT)) 652 sflow_print((const u_char *)(up + 1), length); 653 else if (dport == LWAPP_CONTROL_PORT) 654 lwapp_control_print((const u_char *)(up + 1), length, 1); 655 else if (sport == LWAPP_CONTROL_PORT) 656 lwapp_control_print((const u_char *)(up + 1), length, 0); 657 else if (ISPORT(LWAPP_DATA_PORT)) 658 lwapp_data_print((const u_char *)(up + 1), length); 659 else if (ISPORT(SIP_PORT)) 660 sip_print((const u_char *)(up + 1), length); 661 else if (ISPORT(SYSLOG_PORT)) 662 syslog_print((const u_char *)(up + 1), length); 663 else 664 (void)printf("UDP, length %u", 665 (u_int32_t)(ulen - sizeof(*up))); 666 #undef ISPORT 667 } else 668 (void)printf("UDP, length %u", (u_int32_t)(ulen - sizeof(*up))); 669 } 670 671 672 /* 673 * Local Variables: 674 * c-style: whitesmith 675 * c-basic-offset: 8 676 * End: 677 */ 678 679