2 * Copyright (c) 1988, 1989, 1990, 1991, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
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
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.
23 static const char rcsid[] _U_ =
24 "@(#) $Header: /tcpdump/master/tcpdump/print-icmp6.c,v 1.72.2.4 2004/03/24 00:14:09 guy Exp $";
33 #include <tcpdump-stdinc.h>
42 #include "interface.h"
43 #include "addrtoname.h"
49 static const char *get_rtpref(u_int);
50 static const char *get_lifetime(u_int32_t);
51 static void print_lladdr(const u_char *, size_t);
52 static void icmp6_opt_print(const u_char *, int);
53 static void mld6_print(const u_char *);
54 static struct udphdr *get_upperlayer(u_char *, u_int *);
55 static void dnsname_print(const u_char *, const u_char *);
56 static void icmp6_nodeinfo_print(u_int, const u_char *, const u_char *);
57 static void icmp6_rrenum_print(const u_char *, const u_char *);
60 #define abs(a) ((0 < (a)) ? (a) : -(a))
66 static const char *rtpref_str[] = {
73 return rtpref_str[((v & ND_RA_FLAG_RTPREF_MASK) >> 3) & 0xff];
77 get_lifetime(u_int32_t v)
81 if (v == (u_int32_t)~0UL)
84 snprintf(buf, sizeof(buf), "%u", v);
90 print_lladdr(const u_int8_t *p, size_t l)
92 const u_int8_t *ep, *q;
96 while (l > 0 && q < ep) {
104 static int icmp6_cksum(const struct ip6_hdr *ip6, const struct icmp6_hdr *icp,
108 register const u_int16_t *sp;
112 struct in6_addr ph_src;
113 struct in6_addr ph_dst;
122 memset(&phu, 0, sizeof(phu));
123 phu.ph.ph_src = ip6->ip6_src;
124 phu.ph.ph_dst = ip6->ip6_dst;
125 phu.ph.ph_len = htonl(len);
126 phu.ph.ph_nxt = IPPROTO_ICMPV6;
129 for (i = 0; i < sizeof(phu.pa) / sizeof(phu.pa[0]); i++)
132 sp = (const u_int16_t *)icp;
134 for (i = 0; i < (len & ~1); i += 2)
138 sum += htons((*(const u_int8_t *)sp) << 8);
141 sum = (sum & 0xffff) + (sum >> 16);
148 icmp6_print(const u_char *bp, u_int length, const u_char *bp2, int fragmented)
150 const struct icmp6_hdr *dp;
151 const struct ip6_hdr *ip;
153 const struct ip6_hdr *oip;
154 const struct udphdr *ouh;
160 dp = (struct icmp6_hdr *)bp;
161 ip = (struct ip6_hdr *)bp2;
162 oip = (struct ip6_hdr *)(dp + 1);
164 /* 'ep' points to the end of available data. */
167 TCHECK(dp->icmp6_cksum);
169 if (vflag && !fragmented) {
170 int sum = dp->icmp6_cksum;
172 if (TTEST2(bp[0], length)) {
173 sum = icmp6_cksum(ip, dp, length);
175 (void)printf("[bad icmp6 cksum %x!] ", sum);
177 (void)printf("[icmp6 sum ok] ");
181 switch (dp->icmp6_type) {
182 case ICMP6_DST_UNREACH:
183 TCHECK(oip->ip6_dst);
184 switch (dp->icmp6_code) {
185 case ICMP6_DST_UNREACH_NOROUTE:
186 printf("icmp6: %s unreachable route",
187 ip6addr_string(&oip->ip6_dst));
189 case ICMP6_DST_UNREACH_ADMIN:
190 printf("icmp6: %s unreachable prohibited",
191 ip6addr_string(&oip->ip6_dst));
193 case ICMP6_DST_UNREACH_BEYONDSCOPE:
194 printf("icmp6: %s beyond scope of source address %s",
195 ip6addr_string(&oip->ip6_dst),
196 ip6addr_string(&oip->ip6_src));
198 case ICMP6_DST_UNREACH_ADDR:
199 printf("icmp6: %s unreachable address",
200 ip6addr_string(&oip->ip6_dst));
202 case ICMP6_DST_UNREACH_NOPORT:
203 if ((ouh = get_upperlayer((u_char *)oip, &prot))
207 dport = EXTRACT_16BITS(&ouh->uh_dport);
210 printf("icmp6: %s tcp port %s unreachable",
211 ip6addr_string(&oip->ip6_dst),
212 tcpport_string(dport));
215 printf("icmp6: %s udp port %s unreachable",
216 ip6addr_string(&oip->ip6_dst),
217 udpport_string(dport));
220 printf("icmp6: %s protocol %d port %d unreachable",
221 ip6addr_string(&oip->ip6_dst),
222 oip->ip6_nxt, dport);
227 printf("icmp6: %s unreachable code-#%d",
228 ip6addr_string(&oip->ip6_dst),
233 case ICMP6_PACKET_TOO_BIG:
234 TCHECK(dp->icmp6_mtu);
235 printf("icmp6: too big %u", EXTRACT_32BITS(&dp->icmp6_mtu));
237 case ICMP6_TIME_EXCEEDED:
238 TCHECK(oip->ip6_dst);
239 switch (dp->icmp6_code) {
240 case ICMP6_TIME_EXCEED_TRANSIT:
241 printf("icmp6: time exceeded in-transit for %s",
242 ip6addr_string(&oip->ip6_dst));
244 case ICMP6_TIME_EXCEED_REASSEMBLY:
245 printf("icmp6: ip6 reassembly time exceeded");
248 printf("icmp6: time exceeded code-#%d",
253 case ICMP6_PARAM_PROB:
254 TCHECK(oip->ip6_dst);
255 switch (dp->icmp6_code) {
256 case ICMP6_PARAMPROB_HEADER:
257 printf("icmp6: parameter problem errorneous - octet %u",
258 EXTRACT_32BITS(&dp->icmp6_pptr));
260 case ICMP6_PARAMPROB_NEXTHEADER:
261 printf("icmp6: parameter problem next header - octet %u",
262 EXTRACT_32BITS(&dp->icmp6_pptr));
264 case ICMP6_PARAMPROB_OPTION:
265 printf("icmp6: parameter problem option - octet %u",
266 EXTRACT_32BITS(&dp->icmp6_pptr));
269 printf("icmp6: parameter problem code-#%d",
274 case ICMP6_ECHO_REQUEST:
275 case ICMP6_ECHO_REPLY:
276 TCHECK(dp->icmp6_seq);
277 printf("icmp6: echo %s seq %u",
278 dp->icmp6_type == ICMP6_ECHO_REQUEST ?
280 EXTRACT_16BITS(&dp->icmp6_seq));
282 case ICMP6_MEMBERSHIP_QUERY:
283 printf("icmp6: multicast listener query ");
284 mld6_print((const u_char *)dp);
286 case ICMP6_MEMBERSHIP_REPORT:
287 printf("icmp6: multicast listener report ");
288 mld6_print((const u_char *)dp);
290 case ICMP6_MEMBERSHIP_REDUCTION:
291 printf("icmp6: multicast listener done ");
292 mld6_print((const u_char *)dp);
294 case ND_ROUTER_SOLICIT:
295 printf("icmp6: router solicitation ");
298 icmp6_opt_print((const u_char *)dp + RTSOLLEN,
302 case ND_ROUTER_ADVERT:
303 printf("icmp6: router advertisement");
305 struct nd_router_advert *p;
307 p = (struct nd_router_advert *)dp;
308 TCHECK(p->nd_ra_retransmit);
309 printf("(chlim=%d, ", (int)p->nd_ra_curhoplimit);
310 if (p->nd_ra_flags_reserved & ND_RA_FLAG_MANAGED)
312 if (p->nd_ra_flags_reserved & ND_RA_FLAG_OTHER)
314 if (p->nd_ra_flags_reserved & ND_RA_FLAG_HOME_AGENT)
317 if ((p->nd_ra_flags_reserved & ~ND_RA_FLAG_RTPREF_MASK)
322 get_rtpref(p->nd_ra_flags_reserved));
324 printf("router_ltime=%d, ", EXTRACT_16BITS(&p->nd_ra_router_lifetime));
325 printf("reachable_time=%u, ",
326 EXTRACT_32BITS(&p->nd_ra_reachable));
327 printf("retrans_time=%u)",
328 EXTRACT_32BITS(&p->nd_ra_retransmit));
330 icmp6_opt_print((const u_char *)dp + RTADVLEN,
334 case ND_NEIGHBOR_SOLICIT:
336 struct nd_neighbor_solicit *p;
337 p = (struct nd_neighbor_solicit *)dp;
338 TCHECK(p->nd_ns_target);
339 printf("icmp6: neighbor sol: who has %s",
340 ip6addr_string(&p->nd_ns_target));
343 icmp6_opt_print((const u_char *)dp + NDSOLLEN,
348 case ND_NEIGHBOR_ADVERT:
350 struct nd_neighbor_advert *p;
352 p = (struct nd_neighbor_advert *)dp;
353 TCHECK(p->nd_na_target);
354 printf("icmp6: neighbor adv: tgt is %s",
355 ip6addr_string(&p->nd_na_target));
357 #define ND_NA_FLAG_ALL \
358 (ND_NA_FLAG_ROUTER|ND_NA_FLAG_SOLICITED|ND_NA_FLAG_OVERRIDE)
359 /* we don't need ntohl() here. see advanced-api-04. */
360 if (p->nd_na_flags_reserved & ND_NA_FLAG_ALL) {
361 #undef ND_NA_FLAG_ALL
364 flags = p->nd_na_flags_reserved;
366 if (flags & ND_NA_FLAG_ROUTER)
368 if (flags & ND_NA_FLAG_SOLICITED)
370 if (flags & ND_NA_FLAG_OVERRIDE)
375 icmp6_opt_print((const u_char *)dp + NDADVLEN,
382 #define RDR(i) ((struct nd_redirect *)(i))
383 TCHECK(RDR(dp)->nd_rd_dst);
384 printf("icmp6: redirect %s",
385 getname6((const u_char *)&RDR(dp)->nd_rd_dst));
386 TCHECK(RDR(dp)->nd_rd_target);
388 getname6((const u_char*)&RDR(dp)->nd_rd_target));
389 #define REDIRECTLEN 40
391 icmp6_opt_print((const u_char *)dp + REDIRECTLEN,
392 length - REDIRECTLEN);
397 case ICMP6_ROUTER_RENUMBERING:
398 icmp6_rrenum_print(bp, ep);
402 icmp6_nodeinfo_print(length, bp, ep);
404 case ICMP6_HADISCOV_REQUEST:
405 printf("icmp6: ha discovery request");
407 TCHECK(dp->icmp6_data16[0]);
408 printf("(id=%d)", EXTRACT_16BITS(&dp->icmp6_data16[0]));
411 case ICMP6_HADISCOV_REPLY:
412 printf("icmp6: ha discovery reply");
414 struct in6_addr *in6;
417 TCHECK(dp->icmp6_data16[0]);
418 printf("(id=%d", EXTRACT_16BITS(&dp->icmp6_data16[0]));
419 cp = (u_char *)dp + length;
420 in6 = (struct in6_addr *)(dp + 1);
421 for (; (u_char *)in6 < cp; in6++) {
423 printf(", %s", ip6addr_string(in6));
428 case ICMP6_MOBILEPREFIX_SOLICIT:
429 printf("icmp6: mobile router solicitation");
431 TCHECK(dp->icmp6_data16[0]);
432 printf("(id=%d)", EXTRACT_16BITS(&dp->icmp6_data16[0]));
435 case ICMP6_MOBILEPREFIX_ADVERT:
436 printf("icmp6: mobile router advertisement");
438 TCHECK(dp->icmp6_data16[0]);
439 printf("(id=%d", EXTRACT_16BITS(&dp->icmp6_data16[0]));
440 if (dp->icmp6_data16[1] & 0xc0)
442 if (dp->icmp6_data16[1] & 0x80)
444 if (dp->icmp6_data16[1] & 0x40)
448 icmp6_opt_print((const u_char *)dp + MPADVLEN,
453 printf("icmp6: type-#%d", dp->icmp6_type);
458 fputs("[|icmp6]", stdout);
461 static struct udphdr *
462 get_upperlayer(u_char *bp, u_int *prot)
465 struct ip6_hdr *ip6 = (struct ip6_hdr *)bp;
468 struct ip6_frag *fragh;
473 /* 'ep' points to the end of available data. */
476 if (!TTEST(ip6->ip6_nxt))
480 hlen = sizeof(struct ip6_hdr);
482 while (bp < snapend) {
488 uh = (struct udphdr *)bp;
489 if (TTEST(uh->uh_dport)) {
497 case IPPROTO_HOPOPTS:
498 case IPPROTO_DSTOPTS:
499 case IPPROTO_ROUTING:
500 hbh = (struct ip6_hbh *)bp;
501 if (!TTEST(hbh->ip6h_len))
504 hlen = (hbh->ip6h_len + 1) << 3;
507 case IPPROTO_FRAGMENT: /* this should be odd, but try anyway */
508 fragh = (struct ip6_frag *)bp;
509 if (!TTEST(fragh->ip6f_offlg))
511 /* fragments with non-zero offset are meaningless */
512 if ((EXTRACT_16BITS(&fragh->ip6f_offlg) & IP6F_OFF_MASK) != 0)
514 nh = fragh->ip6f_nxt;
515 hlen = sizeof(struct ip6_frag);
519 ah = (struct ah *)bp;
520 if (!TTEST(ah->ah_len))
523 hlen = (ah->ah_len + 2) << 2;
526 default: /* unknown or undecodable header */
527 *prot = nh; /* meaningless, but set here anyway */
532 return(NULL); /* should be notreached, though */
536 icmp6_opt_print(const u_char *bp, int resid)
538 const struct nd_opt_hdr *op;
539 const struct nd_opt_hdr *opl; /* why there's no struct? */
540 const struct nd_opt_prefix_info *opp;
541 const struct icmp6_opts_redirect *opr;
542 const struct nd_opt_mtu *opm;
543 const struct nd_opt_advinterval *opa;
544 const struct nd_opt_homeagent_info *oph;
545 const struct nd_opt_route_info *opri;
546 const u_char *cp, *ep;
547 struct in6_addr in6, *in6p;
550 #define ECHECK(var) if ((u_char *)&(var) > ep - sizeof(var)) return
553 /* 'ep' points to the end of available data. */
557 op = (struct nd_opt_hdr *)cp;
559 ECHECK(op->nd_opt_len);
562 if (op->nd_opt_len == 0)
564 if (cp + (op->nd_opt_len << 3) > ep)
567 switch (op->nd_opt_type) {
568 case ND_OPT_SOURCE_LINKADDR:
569 opl = (struct nd_opt_hdr *)op;
570 printf("(src lladdr: ");
571 l = (op->nd_opt_len << 3) - 2;
572 print_lladdr(cp + 2, l);
576 case ND_OPT_TARGET_LINKADDR:
577 opl = (struct nd_opt_hdr *)op;
578 printf("(tgt lladdr: ");
579 l = (op->nd_opt_len << 3) - 2;
580 print_lladdr(cp + 2, l);
584 case ND_OPT_PREFIX_INFORMATION:
585 opp = (struct nd_opt_prefix_info *)op;
586 TCHECK(opp->nd_opt_pi_prefix);
587 printf("(prefix info: "); /*)*/
588 if (op->nd_opt_len != 4) {
594 if (opp->nd_opt_pi_flags_reserved & ND_OPT_PI_FLAG_ONLINK)
596 if (opp->nd_opt_pi_flags_reserved & ND_OPT_PI_FLAG_AUTO)
598 if (opp->nd_opt_pi_flags_reserved & ND_OPT_PI_FLAG_ROUTER)
600 if (opp->nd_opt_pi_flags_reserved)
602 printf("valid_ltime=%s,",
603 get_lifetime(EXTRACT_32BITS(&opp->nd_opt_pi_valid_time)));
604 printf("preferred_ltime=%s,",
605 get_lifetime(EXTRACT_32BITS(&opp->nd_opt_pi_preferred_time)));
606 printf("prefix=%s/%d",
607 ip6addr_string(&opp->nd_opt_pi_prefix),
608 opp->nd_opt_pi_prefix_len);
609 if (opp->nd_opt_pi_len != 4)
614 case ND_OPT_REDIRECTED_HEADER:
615 opr = (struct icmp6_opts_redirect *)op;
616 printf("(redirect)");
620 opm = (struct nd_opt_mtu *)op;
621 TCHECK(opm->nd_opt_mtu_mtu);
622 printf("(mtu:"); /*)*/
623 if (op->nd_opt_len != 1) {
629 printf(" mtu=%u", EXTRACT_32BITS(&opm->nd_opt_mtu_mtu));
630 if (opm->nd_opt_mtu_len != 1)
634 case ND_OPT_ADVINTERVAL:
635 opa = (struct nd_opt_advinterval *)op;
636 TCHECK(opa->nd_opt_adv_interval);
637 printf("(advint:"); /*)*/
639 EXTRACT_32BITS(&opa->nd_opt_adv_interval));
643 case ND_OPT_HOMEAGENT_INFO:
644 oph = (struct nd_opt_homeagent_info *)op;
645 TCHECK(oph->nd_opt_hai_lifetime);
646 printf("(ha info:"); /*)*/
647 printf(" pref=%d", EXTRACT_16BITS(&oph->nd_opt_hai_preference));
648 printf(", lifetime=%u", EXTRACT_16BITS(&oph->nd_opt_hai_lifetime));
651 case ND_OPT_ROUTE_INFO:
652 opri = (struct nd_opt_route_info *)op;
653 TCHECK(opri->nd_opt_rti_lifetime);
654 memset(&in6, 0, sizeof(in6));
655 in6p = (struct in6_addr *)(opri + 1);
656 switch (op->nd_opt_len) {
661 memcpy(&in6, opri + 1, 8);
665 memcpy(&in6, opri + 1, sizeof(in6));
670 printf("(rtinfo:"); /*)*/
671 printf(" %s/%u", ip6addr_string(&in6),
672 opri->nd_opt_rti_prefixlen);
673 printf(", pref=%s", get_rtpref(opri->nd_opt_rti_flags));
674 printf(", lifetime=%s",
675 get_lifetime(EXTRACT_32BITS(&opri->nd_opt_rti_lifetime)));
680 printf("(unknown opt_type=%d, opt_len=%d)",
681 op->nd_opt_type, op->nd_opt_len);
685 cp += op->nd_opt_len << 3;
686 resid -= op->nd_opt_len << 3;
691 fputs("[ndp opt]", stdout);
697 mld6_print(const u_char *bp)
699 struct mld6_hdr *mp = (struct mld6_hdr *)bp;
702 /* 'ep' points to the end of available data. */
705 if ((u_char *)mp + sizeof(*mp) > ep)
708 printf("max resp delay: %d ", EXTRACT_16BITS(&mp->mld6_maxdelay));
709 printf("addr: %s", ip6addr_string(&mp->mld6_addr));
713 dnsname_print(const u_char *cp, const u_char *ep)
717 /* DNS name decoding - no decompression */
726 while (i-- && cp < ep) {
730 if (cp + 1 < ep && *cp)
736 } else if (cp + 1 == ep && *cp == '\0') {
749 icmp6_nodeinfo_print(u_int icmp6len, const u_char *bp, const u_char *ep)
751 struct icmp6_nodeinfo *ni6;
752 struct icmp6_hdr *dp;
759 dp = (struct icmp6_hdr *)bp;
760 ni6 = (struct icmp6_nodeinfo *)bp;
763 switch (ni6->ni_type) {
765 if (siz == sizeof(*dp) + 4) {
766 /* KAME who-are-you */
767 printf("icmp6: who-are-you request");
770 printf("icmp6: node information query");
772 TCHECK2(*dp, sizeof(*ni6));
773 ni6 = (struct icmp6_nodeinfo *)dp;
775 switch (EXTRACT_16BITS(&ni6->ni_qtype)) {
779 case NI_QTYPE_SUPTYPES:
780 printf("supported qtypes");
781 i = EXTRACT_16BITS(&ni6->ni_flags);
783 printf(" [%s]", (i & 0x01) ? "C" : "");
789 case NI_QTYPE_NODEADDR:
790 printf("node addresses");
794 /* NI_NODEADDR_FLAG_TRUNCATE undefined for query */
795 printf(" [%s%s%s%s%s%s]",
796 (i & NI_NODEADDR_FLAG_ANYCAST) ? "a" : "",
797 (i & NI_NODEADDR_FLAG_GLOBAL) ? "G" : "",
798 (i & NI_NODEADDR_FLAG_SITELOCAL) ? "S" : "",
799 (i & NI_NODEADDR_FLAG_LINKLOCAL) ? "L" : "",
800 (i & NI_NODEADDR_FLAG_COMPAT) ? "C" : "",
801 (i & NI_NODEADDR_FLAG_ALL) ? "A" : "");
808 if (ni6->ni_qtype == NI_QTYPE_NOOP ||
809 ni6->ni_qtype == NI_QTYPE_SUPTYPES) {
810 if (siz != sizeof(*ni6))
812 printf(", invalid len");
819 /* XXX backward compat, icmp-name-lookup-03 */
820 if (siz == sizeof(*ni6)) {
821 printf(", 03 draft");
827 switch (ni6->ni_code) {
828 case ICMP6_NI_SUBJ_IPV6:
830 sizeof(*ni6) + sizeof(struct in6_addr)))
832 if (siz != sizeof(*ni6) + sizeof(struct in6_addr)) {
834 printf(", invalid subject len");
837 printf(", subject=%s",
838 getname6((const u_char *)(ni6 + 1)));
840 case ICMP6_NI_SUBJ_FQDN:
841 printf(", subject=DNS name");
842 cp = (const u_char *)(ni6 + 1);
843 if (cp[0] == ep - cp - 1) {
844 /* icmp-name-lookup-03, pascal string */
846 printf(", 03 draft");
855 dnsname_print(cp, ep);
857 case ICMP6_NI_SUBJ_IPV4:
858 if (!TTEST2(*dp, sizeof(*ni6) + sizeof(struct in_addr)))
860 if (siz != sizeof(*ni6) + sizeof(struct in_addr)) {
862 printf(", invalid subject len");
865 printf(", subject=%s",
866 getname((const u_char *)(ni6 + 1)));
869 printf(", unknown subject");
878 if (icmp6len > siz) {
879 printf("[|icmp6: node information reply]");
885 ni6 = (struct icmp6_nodeinfo *)dp;
886 printf("icmp6: node information reply");
888 switch (ni6->ni_code) {
889 case ICMP6_NI_SUCCESS:
895 case ICMP6_NI_REFUSED:
898 if (siz != sizeof(*ni6))
900 printf(", invalid length");
902 case ICMP6_NI_UNKNOWN:
905 if (siz != sizeof(*ni6))
907 printf(", invalid length");
911 if (ni6->ni_code != ICMP6_NI_SUCCESS) {
917 switch (EXTRACT_16BITS(&ni6->ni_qtype)) {
922 if (siz != sizeof(*ni6))
924 printf(", invalid length");
926 case NI_QTYPE_SUPTYPES:
929 printf("supported qtypes");
930 i = EXTRACT_16BITS(&ni6->ni_flags);
932 printf(" [%s]", (i & 0x01) ? "C" : "");
938 cp = (const u_char *)(ni6 + 1) + 4;
939 if (cp[0] == ep - cp - 1) {
940 /* icmp-name-lookup-03, pascal string */
942 printf(", 03 draft");
951 dnsname_print(cp, ep);
952 if ((EXTRACT_16BITS(&ni6->ni_flags) & 0x01) != 0)
953 printf(" [TTL=%u]", *(u_int32_t *)(ni6 + 1));
955 case NI_QTYPE_NODEADDR:
958 printf("node addresses");
961 if (i + sizeof(struct in6_addr) + sizeof(int32_t) > siz)
963 printf(" %s", getname6(bp + i));
964 i += sizeof(struct in6_addr);
965 printf("(%d)", (int32_t)EXTRACT_32BITS(bp + i));
966 i += sizeof(int32_t);
971 printf(" [%s%s%s%s%s%s%s]",
972 (i & NI_NODEADDR_FLAG_ANYCAST) ? "a" : "",
973 (i & NI_NODEADDR_FLAG_GLOBAL) ? "G" : "",
974 (i & NI_NODEADDR_FLAG_SITELOCAL) ? "S" : "",
975 (i & NI_NODEADDR_FLAG_LINKLOCAL) ? "L" : "",
976 (i & NI_NODEADDR_FLAG_COMPAT) ? "C" : "",
977 (i & NI_NODEADDR_FLAG_ALL) ? "A" : "",
978 (i & NI_NODEADDR_FLAG_TRUNCATE) ? "T" : "");
994 fputs("[|icmp6]", stdout);
998 icmp6_rrenum_print(const u_char *bp, const u_char *ep)
1000 struct icmp6_router_renum *rr6;
1001 struct icmp6_hdr *dp;
1004 struct rr_pco_match *match;
1005 struct rr_pco_use *use;
1006 char hbuf[NI_MAXHOST];
1011 dp = (struct icmp6_hdr *)bp;
1012 rr6 = (struct icmp6_router_renum *)bp;
1014 cp = (const char *)(rr6 + 1);
1016 TCHECK(rr6->rr_reserved);
1017 switch (rr6->rr_code) {
1018 case ICMP6_ROUTER_RENUMBERING_COMMAND:
1019 printf("router renum: command");
1021 case ICMP6_ROUTER_RENUMBERING_RESULT:
1022 printf("router renum: result");
1024 case ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET:
1025 printf("router renum: sequence number reset");
1028 printf("router renum: code-#%d", rr6->rr_code);
1032 printf(", seq=%u", EXTRACT_32BITS(&rr6->rr_seqnum));
1035 #define F(x, y) ((rr6->rr_flags) & (x) ? (y) : "")
1037 if (rr6->rr_flags) {
1038 printf("%s%s%s%s%s,", F(ICMP6_RR_FLAGS_TEST, "T"),
1039 F(ICMP6_RR_FLAGS_REQRESULT, "R"),
1040 F(ICMP6_RR_FLAGS_FORCEAPPLY, "A"),
1041 F(ICMP6_RR_FLAGS_SPECSITE, "S"),
1042 F(ICMP6_RR_FLAGS_PREVDONE, "P"));
1044 printf("seg=%u,", rr6->rr_segnum);
1045 printf("maxdelay=%u", rr6->rr_maxdelay);
1046 if (rr6->rr_reserved)
1047 printf("rsvd=0x%x", EXTRACT_16BITS(&rr6->rr_reserved));
1053 if (rr6->rr_code == ICMP6_ROUTER_RENUMBERING_COMMAND) {
1054 match = (struct rr_pco_match *)cp;
1055 cp = (const char *)(match + 1);
1057 TCHECK(match->rpm_prefix);
1063 printf("match("); /*)*/
1064 switch (match->rpm_code) {
1065 case RPM_PCO_ADD: printf("add"); break;
1066 case RPM_PCO_CHANGE: printf("change"); break;
1067 case RPM_PCO_SETGLOBAL: printf("setglobal"); break;
1068 default: printf("#%u", match->rpm_code); break;
1072 printf(",ord=%u", match->rpm_ordinal);
1073 printf(",min=%u", match->rpm_minlen);
1074 printf(",max=%u", match->rpm_maxlen);
1076 if (inet_ntop(AF_INET6, &match->rpm_prefix, hbuf, sizeof(hbuf)))
1077 printf(",%s/%u", hbuf, match->rpm_matchlen);
1079 printf(",?/%u", match->rpm_matchlen);
1083 n = match->rpm_len - 3;
1088 use = (struct rr_pco_use *)cp;
1089 cp = (const char *)(use + 1);
1091 TCHECK(use->rpu_prefix);
1097 printf("use("); /*)*/
1098 if (use->rpu_flags) {
1099 #define F(x, y) ((use->rpu_flags) & (x) ? (y) : "")
1101 F(ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME, "V"),
1102 F(ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME, "P"));
1106 printf("mask=0x%x,", use->rpu_ramask);
1107 printf("raflags=0x%x,", use->rpu_raflags);
1108 if (~use->rpu_vltime == 0)
1109 printf("vltime=infty,");
1111 printf("vltime=%u,",
1112 EXTRACT_32BITS(&use->rpu_vltime));
1113 if (~use->rpu_pltime == 0)
1114 printf("pltime=infty,");
1116 printf("pltime=%u,",
1117 EXTRACT_32BITS(&use->rpu_pltime));
1119 if (inet_ntop(AF_INET6, &use->rpu_prefix, hbuf,
1121 printf("%s/%u/%u", hbuf, use->rpu_uselen,
1124 printf("?/%u/%u", use->rpu_uselen,
1134 fputs("[|icmp6]", stdout);