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[] = 26 "@(#) $Header: /tcpdump/master/tcpdump/print-udp.c,v 1.101 2001/10/08 21:25:24 fenner Exp $ (LBL)"; 27 #endif 28 29 #ifdef HAVE_CONFIG_H 30 #include "config.h" 31 #endif 32 33 #include <sys/param.h> 34 #include <sys/time.h> 35 36 #include <netinet/in.h> 37 38 #ifdef SEGSIZE 39 #undef SEGSIZE 40 #endif 41 #include <arpa/tftp.h> 42 43 #include <rpc/rpc.h> 44 45 #include <stdio.h> 46 #include <string.h> 47 48 #include "interface.h" 49 #include "addrtoname.h" 50 #include "appletalk.h" 51 52 #include "udp.h" 53 54 #include "ip.h" 55 #ifdef INET6 56 #include "ip6.h" 57 #endif 58 59 #include "nameser.h" 60 #include "nfs.h" 61 #include "bootp.h" 62 63 struct rtcphdr { 64 u_int16_t rh_flags; /* T:2 P:1 CNT:5 PT:8 */ 65 u_int16_t rh_len; /* length of message (in words) */ 66 u_int32_t rh_ssrc; /* synchronization src id */ 67 }; 68 69 typedef struct { 70 u_int32_t upper; /* more significant 32 bits */ 71 u_int32_t lower; /* less significant 32 bits */ 72 } ntp64; 73 74 /* 75 * Sender report. 76 */ 77 struct rtcp_sr { 78 ntp64 sr_ntp; /* 64-bit ntp timestamp */ 79 u_int32_t sr_ts; /* reference media timestamp */ 80 u_int32_t sr_np; /* no. packets sent */ 81 u_int32_t sr_nb; /* no. bytes sent */ 82 }; 83 84 /* 85 * Receiver report. 86 * Time stamps are middle 32-bits of ntp timestamp. 87 */ 88 struct rtcp_rr { 89 u_int32_t rr_srcid; /* sender being reported */ 90 u_int32_t rr_nl; /* no. packets lost */ 91 u_int32_t rr_ls; /* extended last seq number received */ 92 u_int32_t rr_dv; /* jitter (delay variance) */ 93 u_int32_t rr_lsr; /* orig. ts from last rr from this src */ 94 u_int32_t rr_dlsr; /* time from recpt of last rr to xmit time */ 95 }; 96 97 /*XXX*/ 98 #define RTCP_PT_SR 200 99 #define RTCP_PT_RR 201 100 #define RTCP_PT_SDES 202 101 #define RTCP_SDES_CNAME 1 102 #define RTCP_SDES_NAME 2 103 #define RTCP_SDES_EMAIL 3 104 #define RTCP_SDES_PHONE 4 105 #define RTCP_SDES_LOC 5 106 #define RTCP_SDES_TOOL 6 107 #define RTCP_SDES_NOTE 7 108 #define RTCP_SDES_PRIV 8 109 #define RTCP_PT_BYE 203 110 #define RTCP_PT_APP 204 111 112 static void 113 vat_print(const void *hdr, u_int len, register const struct udphdr *up) 114 { 115 /* vat/vt audio */ 116 u_int ts = *(u_int16_t *)hdr; 117 if ((ts & 0xf060) != 0) { 118 /* probably vt */ 119 (void)printf("udp/vt %u %d / %d", 120 (u_int32_t)(ntohs(up->uh_ulen) - sizeof(*up)), 121 ts & 0x3ff, ts >> 10); 122 } else { 123 /* probably vat */ 124 u_int32_t i0 = (u_int32_t)ntohl(((u_int *)hdr)[0]); 125 u_int32_t i1 = (u_int32_t)ntohl(((u_int *)hdr)[1]); 126 printf("udp/vat %u c%d %u%s", 127 (u_int32_t)(ntohs(up->uh_ulen) - sizeof(*up) - 8), 128 i0 & 0xffff, 129 i1, i0 & 0x800000? "*" : ""); 130 /* audio format */ 131 if (i0 & 0x1f0000) 132 printf(" f%d", (i0 >> 16) & 0x1f); 133 if (i0 & 0x3f000000) 134 printf(" s%d", (i0 >> 24) & 0x3f); 135 } 136 } 137 138 static void 139 rtp_print(const void *hdr, u_int len, register const struct udphdr *up) 140 { 141 /* rtp v1 or v2 */ 142 u_int *ip = (u_int *)hdr; 143 u_int hasopt, hasext, contype, hasmarker; 144 u_int32_t i0 = (u_int32_t)ntohl(((u_int *)hdr)[0]); 145 u_int32_t i1 = (u_int32_t)ntohl(((u_int *)hdr)[1]); 146 u_int dlen = ntohs(up->uh_ulen) - sizeof(*up) - 8; 147 const char * ptype; 148 149 ip += 2; 150 len >>= 2; 151 len -= 2; 152 hasopt = 0; 153 hasext = 0; 154 if ((i0 >> 30) == 1) { 155 /* rtp v1 */ 156 hasopt = i0 & 0x800000; 157 contype = (i0 >> 16) & 0x3f; 158 hasmarker = i0 & 0x400000; 159 ptype = "rtpv1"; 160 } else { 161 /* rtp v2 */ 162 hasext = i0 & 0x10000000; 163 contype = (i0 >> 16) & 0x7f; 164 hasmarker = i0 & 0x800000; 165 dlen -= 4; 166 ptype = "rtp"; 167 ip += 1; 168 len -= 1; 169 } 170 printf("udp/%s %d c%d %s%s %d %u", 171 ptype, 172 dlen, 173 contype, 174 (hasopt || hasext)? "+" : "", 175 hasmarker? "*" : "", 176 i0 & 0xffff, 177 i1); 178 if (vflag) { 179 printf(" %u", (u_int32_t)ntohl(((u_int *)hdr)[2])); 180 if (hasopt) { 181 u_int i2, optlen; 182 do { 183 i2 = ip[0]; 184 optlen = (i2 >> 16) & 0xff; 185 if (optlen == 0 || optlen > len) { 186 printf(" !opt"); 187 return; 188 } 189 ip += optlen; 190 len -= optlen; 191 } while ((int)i2 >= 0); 192 } 193 if (hasext) { 194 u_int i2, extlen; 195 i2 = ip[0]; 196 extlen = (i2 & 0xffff) + 1; 197 if (extlen > len) { 198 printf(" !ext"); 199 return; 200 } 201 ip += extlen; 202 } 203 if (contype == 0x1f) /*XXX H.261 */ 204 printf(" 0x%04x", ip[0] >> 16); 205 } 206 } 207 208 static const u_char * 209 rtcp_print(const u_char *hdr, const u_char *ep) 210 { 211 /* rtp v2 control (rtcp) */ 212 struct rtcp_rr *rr = 0; 213 struct rtcp_sr *sr; 214 struct rtcphdr *rh = (struct rtcphdr *)hdr; 215 u_int len; 216 u_int16_t flags; 217 int cnt; 218 double ts, dts; 219 if ((u_char *)(rh + 1) > ep) { 220 printf(" [|rtcp]"); 221 return (ep); 222 } 223 len = (ntohs(rh->rh_len) + 1) * 4; 224 flags = ntohs(rh->rh_flags); 225 cnt = (flags >> 8) & 0x1f; 226 switch (flags & 0xff) { 227 case RTCP_PT_SR: 228 sr = (struct rtcp_sr *)(rh + 1); 229 printf(" sr"); 230 if (len != cnt * sizeof(*rr) + sizeof(*sr) + sizeof(*rh)) 231 printf(" [%d]", len); 232 if (vflag) 233 printf(" %u", (u_int32_t)ntohl(rh->rh_ssrc)); 234 if ((u_char *)(sr + 1) > ep) { 235 printf(" [|rtcp]"); 236 return (ep); 237 } 238 ts = (double)((u_int32_t)ntohl(sr->sr_ntp.upper)) + 239 ((double)((u_int32_t)ntohl(sr->sr_ntp.lower)) / 240 4294967296.0); 241 printf(" @%.2f %u %up %ub", ts, (u_int32_t)ntohl(sr->sr_ts), 242 (u_int32_t)ntohl(sr->sr_np), (u_int32_t)ntohl(sr->sr_nb)); 243 rr = (struct rtcp_rr *)(sr + 1); 244 break; 245 case RTCP_PT_RR: 246 printf(" rr"); 247 if (len != cnt * sizeof(*rr) + sizeof(*rh)) 248 printf(" [%d]", len); 249 rr = (struct rtcp_rr *)(rh + 1); 250 if (vflag) 251 printf(" %u", (u_int32_t)ntohl(rh->rh_ssrc)); 252 break; 253 case RTCP_PT_SDES: 254 printf(" sdes %d", len); 255 if (vflag) 256 printf(" %u", (u_int32_t)ntohl(rh->rh_ssrc)); 257 cnt = 0; 258 break; 259 case RTCP_PT_BYE: 260 printf(" bye %d", len); 261 if (vflag) 262 printf(" %u", (u_int32_t)ntohl(rh->rh_ssrc)); 263 cnt = 0; 264 break; 265 default: 266 printf(" type-0x%x %d", flags & 0xff, len); 267 cnt = 0; 268 break; 269 } 270 if (cnt > 1) 271 printf(" c%d", cnt); 272 while (--cnt >= 0) { 273 if ((u_char *)(rr + 1) > ep) { 274 printf(" [|rtcp]"); 275 return (ep); 276 } 277 if (vflag) 278 printf(" %u", (u_int32_t)ntohl(rr->rr_srcid)); 279 ts = (double)((u_int32_t)ntohl(rr->rr_lsr)) / 65536.; 280 dts = (double)((u_int32_t)ntohl(rr->rr_dlsr)) / 65536.; 281 printf(" %ul %us %uj @%.2f+%.2f", 282 (u_int32_t)ntohl(rr->rr_nl) & 0x00ffffff, 283 (u_int32_t)ntohl(rr->rr_ls), 284 (u_int32_t)ntohl(rr->rr_dv), ts, dts); 285 } 286 return (hdr + len); 287 } 288 289 static int udp_cksum(register const struct ip *ip, 290 register const struct udphdr *up, 291 register int len) 292 { 293 union phu { 294 struct phdr { 295 u_int32_t src; 296 u_int32_t dst; 297 u_char mbz; 298 u_char proto; 299 u_int16_t len; 300 } ph; 301 u_int16_t pa[6]; 302 } phu; 303 register const u_int16_t *sp; 304 305 /* pseudo-header.. */ 306 phu.ph.len = htons(len); 307 phu.ph.mbz = 0; 308 phu.ph.proto = IPPROTO_UDP; 309 memcpy(&phu.ph.src, &ip->ip_src.s_addr, sizeof(u_int32_t)); 310 memcpy(&phu.ph.dst, &ip->ip_dst.s_addr, sizeof(u_int32_t)); 311 312 sp = &phu.pa[0]; 313 return in_cksum((u_short *)up, len, 314 sp[0]+sp[1]+sp[2]+sp[3]+sp[4]+sp[5]); 315 } 316 317 #ifdef INET6 318 static int udp6_cksum(const struct ip6_hdr *ip6, const struct udphdr *up, 319 int len) 320 { 321 int i, tlen; 322 register const u_int16_t *sp; 323 u_int32_t sum; 324 union { 325 struct { 326 struct in6_addr ph_src; 327 struct in6_addr ph_dst; 328 u_int32_t ph_len; 329 u_int8_t ph_zero[3]; 330 u_int8_t ph_nxt; 331 } ph; 332 u_int16_t pa[20]; 333 } phu; 334 335 tlen = ntohs(ip6->ip6_plen) + sizeof(struct ip6_hdr) - 336 ((const char *)up - (const char*)ip6); 337 338 /* pseudo-header */ 339 memset(&phu, 0, sizeof(phu)); 340 phu.ph.ph_src = ip6->ip6_src; 341 phu.ph.ph_dst = ip6->ip6_dst; 342 phu.ph.ph_len = htonl(tlen); 343 phu.ph.ph_nxt = IPPROTO_UDP; 344 345 sum = 0; 346 for (i = 0; i < sizeof(phu.pa) / sizeof(phu.pa[0]); i++) 347 sum += phu.pa[i]; 348 349 sp = (const u_int16_t *)up; 350 351 for (i = 0; i < (tlen & ~1); i += 2) 352 sum += *sp++; 353 354 if (tlen & 1) 355 sum += htons((*(const u_int8_t *)sp) << 8); 356 357 while (sum > 0xffff) 358 sum = (sum & 0xffff) + (sum >> 16); 359 sum = ~sum & 0xffff; 360 361 return (sum); 362 } 363 #endif 364 365 366 /* XXX probably should use getservbyname() and cache answers */ 367 #define TFTP_PORT 69 /*XXX*/ 368 #define KERBEROS_PORT 88 /*XXX*/ 369 #define SUNRPC_PORT 111 /*XXX*/ 370 #define SNMP_PORT 161 /*XXX*/ 371 #define NTP_PORT 123 /*XXX*/ 372 #define SNMPTRAP_PORT 162 /*XXX*/ 373 #define ISAKMP_PORT 500 /*XXX*/ 374 #define TIMED_PORT 525 /*XXX*/ 375 #define RIP_PORT 520 /*XXX*/ 376 #define KERBEROS_SEC_PORT 750 /*XXX*/ 377 #define L2TP_PORT 1701 /*XXX*/ 378 #define ISAKMP_PORT_USER1 7500 /*XXX - nonstandard*/ 379 #define ISAKMP_PORT_USER2 8500 /*XXX - nonstandard*/ 380 #define RX_PORT_LOW 7000 /*XXX*/ 381 #define RX_PORT_HIGH 7009 /*XXX*/ 382 #define NETBIOS_NS_PORT 137 383 #define NETBIOS_DGRAM_PORT 138 384 #define CISCO_AUTORP_PORT 496 /*XXX*/ 385 #define RADIUS_PORT 1645 386 #define RADIUS_NEW_PORT 1812 387 #define RADIUS_ACCOUNTING_PORT 1646 388 #define RADIUS_NEW_ACCOUNTING_PORT 1813 389 #define HSRP_PORT 1985 /*XXX*/ 390 #define LWRES_PORT 921 391 #define ZEPHYR_SRV_PORT 2103 392 #define ZEPHYR_CLT_PORT 2104 393 394 #ifdef INET6 395 #define RIPNG_PORT 521 /*XXX*/ 396 #define DHCP6_SERV_PORT 546 /*XXX*/ 397 #define DHCP6_CLI_PORT 547 /*XXX*/ 398 #endif 399 400 void 401 udp_print(register const u_char *bp, u_int length, 402 register const u_char *bp2, int fragmented) 403 { 404 register const struct udphdr *up; 405 register const struct ip *ip; 406 register const u_char *cp; 407 register const u_char *ep = bp + length; 408 u_int16_t sport, dport, ulen; 409 #ifdef INET6 410 register const struct ip6_hdr *ip6; 411 #endif 412 413 if (ep > snapend) 414 ep = snapend; 415 up = (struct udphdr *)bp; 416 ip = (struct ip *)bp2; 417 #ifdef INET6 418 if (IP_V(ip) == 6) 419 ip6 = (struct ip6_hdr *)bp2; 420 else 421 ip6 = NULL; 422 #endif /*INET6*/ 423 cp = (u_char *)(up + 1); 424 if (cp > snapend) { 425 (void)printf("%s > %s: [|udp]", 426 ipaddr_string(&ip->ip_src), ipaddr_string(&ip->ip_dst)); 427 return; 428 } 429 if (length < sizeof(struct udphdr)) { 430 (void)printf("%s > %s: truncated-udp %d", 431 ipaddr_string(&ip->ip_src), ipaddr_string(&ip->ip_dst), 432 length); 433 return; 434 } 435 length -= sizeof(struct udphdr); 436 437 sport = ntohs(up->uh_sport); 438 dport = ntohs(up->uh_dport); 439 ulen = ntohs(up->uh_ulen); 440 if (ulen < 8) { 441 (void)printf("%s > %s: truncated-udplength %d", 442 ipaddr_string(&ip->ip_src), 443 ipaddr_string(&ip->ip_dst), 444 ulen); 445 return; 446 } 447 if (packettype) { 448 register struct rpc_msg *rp; 449 enum msg_type direction; 450 451 switch (packettype) { 452 453 case PT_VAT: 454 (void)printf("%s.%s > %s.%s: ", 455 ipaddr_string(&ip->ip_src), 456 udpport_string(sport), 457 ipaddr_string(&ip->ip_dst), 458 udpport_string(dport)); 459 vat_print((void *)(up + 1), length, up); 460 break; 461 462 case PT_WB: 463 (void)printf("%s.%s > %s.%s: ", 464 ipaddr_string(&ip->ip_src), 465 udpport_string(sport), 466 ipaddr_string(&ip->ip_dst), 467 udpport_string(dport)); 468 wb_print((void *)(up + 1), length); 469 break; 470 471 case PT_RPC: 472 rp = (struct rpc_msg *)(up + 1); 473 direction = (enum msg_type)ntohl(rp->rm_direction); 474 if (direction == CALL) 475 sunrpcrequest_print((u_char *)rp, length, 476 (u_char *)ip); 477 else 478 nfsreply_print((u_char *)rp, length, 479 (u_char *)ip); /*XXX*/ 480 break; 481 482 case PT_RTP: 483 (void)printf("%s.%s > %s.%s: ", 484 ipaddr_string(&ip->ip_src), 485 udpport_string(sport), 486 ipaddr_string(&ip->ip_dst), 487 udpport_string(dport)); 488 rtp_print((void *)(up + 1), length, up); 489 break; 490 491 case PT_RTCP: 492 (void)printf("%s.%s > %s.%s:", 493 ipaddr_string(&ip->ip_src), 494 udpport_string(sport), 495 ipaddr_string(&ip->ip_dst), 496 udpport_string(dport)); 497 while (cp < ep) 498 cp = rtcp_print(cp, ep); 499 break; 500 501 case PT_SNMP: 502 (void)printf("%s.%s > %s.%s:", 503 ipaddr_string(&ip->ip_src), 504 udpport_string(sport), 505 ipaddr_string(&ip->ip_dst), 506 udpport_string(dport)); 507 snmp_print((const u_char *)(up + 1), length); 508 break; 509 510 case PT_CNFP: 511 (void)printf("%s.%s > %s.%s:", 512 ipaddr_string(&ip->ip_src), 513 udpport_string(sport), 514 ipaddr_string(&ip->ip_dst), 515 udpport_string(dport)); 516 cnfp_print(cp, length, (const u_char *)ip); 517 break; 518 } 519 return; 520 } 521 522 if (!qflag) { 523 register struct rpc_msg *rp; 524 enum msg_type direction; 525 526 rp = (struct rpc_msg *)(up + 1); 527 if (TTEST(rp->rm_direction)) { 528 direction = (enum msg_type)ntohl(rp->rm_direction); 529 if (dport == NFS_PORT && direction == CALL) { 530 nfsreq_print((u_char *)rp, length, 531 (u_char *)ip); 532 return; 533 } 534 if (sport == NFS_PORT && direction == REPLY) { 535 nfsreply_print((u_char *)rp, length, 536 (u_char *)ip); 537 return; 538 } 539 #ifdef notdef 540 if (dport == SUNRPC_PORT && direction == CALL) { 541 sunrpcrequest_print((u_char *)rp, length, (u_char *)ip); 542 return; 543 } 544 #endif 545 } 546 if (TTEST(((struct LAP *)cp)->type) && 547 ((struct LAP *)cp)->type == lapDDP && 548 (atalk_port(sport) || atalk_port(dport))) { 549 if (vflag) 550 fputs("kip ", stdout); 551 llap_print(cp, length); 552 return; 553 } 554 } 555 #ifdef INET6 556 if (ip6) { 557 if (ip6->ip6_nxt == IPPROTO_UDP) { 558 (void)printf("%s.%s > %s.%s: ", 559 ip6addr_string(&ip6->ip6_src), 560 udpport_string(sport), 561 ip6addr_string(&ip6->ip6_dst), 562 udpport_string(dport)); 563 } else { 564 (void)printf("%s > %s: ", 565 udpport_string(sport), udpport_string(dport)); 566 } 567 } else 568 #endif /*INET6*/ 569 { 570 if (ip->ip_p == IPPROTO_UDP) { 571 (void)printf("%s.%s > %s.%s: ", 572 ipaddr_string(&ip->ip_src), 573 udpport_string(sport), 574 ipaddr_string(&ip->ip_dst), 575 udpport_string(dport)); 576 } else { 577 (void)printf("%s > %s: ", 578 udpport_string(sport), udpport_string(dport)); 579 } 580 } 581 582 if (IP_V(ip) == 4 && vflag && !fragmented) { 583 int sum = up->uh_sum; 584 if (sum == 0) { 585 (void)printf("[no cksum] "); 586 } else if (TTEST2(cp[0], length)) { 587 sum = udp_cksum(ip, up, length + sizeof(struct udphdr)); 588 if (sum != 0) 589 (void)printf("[bad udp cksum %x!] ", sum); 590 else 591 (void)printf("[udp sum ok] "); 592 } 593 } 594 #ifdef INET6 595 if (IP_V(ip) == 6 && ip6->ip6_plen && vflag && !fragmented) { 596 int sum = up->uh_sum; 597 /* for IPv6, UDP checksum is mandatory */ 598 if (TTEST2(cp[0], length)) { 599 sum = udp6_cksum(ip6, up, length); 600 if (sum != 0) 601 (void)printf("[bad udp cksum %x!] ", sum); 602 else 603 (void)printf("[udp sum ok] "); 604 } 605 } 606 #endif 607 608 if (!qflag) { 609 #define ISPORT(p) (dport == (p) || sport == (p)) 610 if (ISPORT(NAMESERVER_PORT)) 611 ns_print((const u_char *)(up + 1), length); 612 else if (ISPORT(TIMED_PORT)) 613 timed_print((const u_char *)(up + 1), length); 614 else if (ISPORT(TFTP_PORT)) 615 tftp_print((const u_char *)(up + 1), length); 616 else if (ISPORT(IPPORT_BOOTPC) || ISPORT(IPPORT_BOOTPS)) 617 bootp_print((const u_char *)(up + 1), length, 618 sport, dport); 619 else if (ISPORT(RIP_PORT)) 620 rip_print((const u_char *)(up + 1), length); 621 else if (ISPORT(ISAKMP_PORT)) 622 isakmp_print((const u_char *)(up + 1), length, bp2); 623 #if 1 /*???*/ 624 else if (ISPORT(ISAKMP_PORT_USER1) || ISPORT(ISAKMP_PORT_USER2)) 625 isakmp_print((const u_char *)(up + 1), length, bp2); 626 #endif 627 else if (ISPORT(SNMP_PORT) || ISPORT(SNMPTRAP_PORT)) 628 snmp_print((const u_char *)(up + 1), length); 629 else if (ISPORT(NTP_PORT)) 630 ntp_print((const u_char *)(up + 1), length); 631 else if (ISPORT(KERBEROS_PORT) || ISPORT(KERBEROS_SEC_PORT)) 632 krb_print((const void *)(up + 1), length); 633 else if (ISPORT(L2TP_PORT)) 634 l2tp_print((const u_char *)(up + 1), length); 635 #ifdef TCPDUMP_DO_SMB 636 else if (ISPORT(NETBIOS_NS_PORT)) 637 nbt_udp137_print((const u_char *)(up + 1), length); 638 else if (ISPORT(NETBIOS_DGRAM_PORT)) 639 nbt_udp138_print((const u_char *)(up + 1), length); 640 #endif 641 else if (dport == 3456) 642 vat_print((const void *)(up + 1), length, up); 643 else if (ISPORT(ZEPHYR_SRV_PORT) || ISPORT(ZEPHYR_CLT_PORT)) 644 zephyr_print((const void *)(up + 1), length); 645 /* 646 * Since there are 10 possible ports to check, I think 647 * a <> test would be more efficient 648 */ 649 else if ((sport >= RX_PORT_LOW && sport <= RX_PORT_HIGH) || 650 (dport >= RX_PORT_LOW && dport <= RX_PORT_HIGH)) 651 rx_print((const void *)(up + 1), length, sport, dport, 652 (u_char *) ip); 653 #ifdef INET6 654 else if (ISPORT(RIPNG_PORT)) 655 ripng_print((const u_char *)(up + 1), length); 656 else if (ISPORT(DHCP6_SERV_PORT) || ISPORT(DHCP6_CLI_PORT)) { 657 dhcp6_print((const u_char *)(up + 1), length, 658 sport, dport); 659 } 660 #endif /*INET6*/ 661 /* 662 * Kludge in test for whiteboard packets. 663 */ 664 else if (dport == 4567) 665 wb_print((const void *)(up + 1), length); 666 else if (ISPORT(CISCO_AUTORP_PORT)) 667 cisco_autorp_print((const void *)(up + 1), length); 668 else if (ISPORT(RADIUS_PORT) || 669 ISPORT(RADIUS_NEW_PORT) || 670 ISPORT(RADIUS_ACCOUNTING_PORT) || 671 ISPORT(RADIUS_NEW_ACCOUNTING_PORT) ) 672 radius_print((const u_char *)(up+1), length); 673 else if (dport == HSRP_PORT) 674 hsrp_print((const u_char *)(up + 1), length); 675 else if (ISPORT(LWRES_PORT)) 676 lwres_print((const u_char *)(up + 1), length); 677 else 678 (void)printf("udp %u", 679 (u_int32_t)(ulen - sizeof(*up))); 680 #undef ISPORT 681 } else 682 (void)printf("udp %u", (u_int32_t)(ulen - sizeof(*up))); 683 } 684