1 /* BSDI inet.c,v 2.3 1995/10/24 02:19:29 prb Exp */
3 * Copyright (c) 1983, 1988, 1993
4 * The Regents of the University of California. All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by the University of
17 * California, Berkeley and its contributors.
18 * 4. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * $FreeBSD: src/usr.bin/netstat/inet6.c,v 1.3.2.9 2001/08/10 09:07:09 ru Exp $
39 static char sccsid[] = "@(#)inet6.c 8.4 (Berkeley) 4/20/94";
44 #include <sys/param.h>
45 #include <sys/socket.h>
46 #include <sys/socketvar.h>
47 #include <sys/ioctl.h>
49 #include <sys/protosw.h>
50 #include <sys/sysctl.h>
52 #include <net/route.h>
54 #include <net/if_var.h>
55 #include <netinet/in.h>
56 #include <netinet/ip6.h>
57 #include <netinet/icmp6.h>
58 #include <netinet/in_systm.h>
59 #include <netinet6/in6_pcb.h>
60 #include <netinet6/in6_var.h>
61 #include <netinet6/ip6_var.h>
62 #include <netinet6/pim6_var.h>
63 #include <netinet6/raw_ip6.h>
65 #include <arpa/inet.h>
78 char *inet6name (struct in6_addr
*);
79 void inet6print (struct in6_addr
*, int, char *, int);
81 static char ntop_buf
[INET6_ADDRSTRLEN
];
83 static char *ip6nh
[] = {
144 "destination option",
343 * Dump IP6 statistics structure.
346 ip6_stats(u_long off __unused
, char *name
, int af __unused
)
348 struct ip6stat ip6stat
;
355 mib
[2] = IPPROTO_IPV6
;
356 mib
[3] = IPV6CTL_STATS
;
358 len
= sizeof ip6stat
;
359 memset(&ip6stat
, 0, len
);
360 if (sysctl(mib
, 4, &ip6stat
, &len
, (void *)0, 0) < 0)
362 printf("%s:\n", name
);
364 #define p(f, m) if (ip6stat.f || sflag <= 1) \
365 printf(m, (unsigned long long)ip6stat.f, plural(ip6stat.f))
366 #define p1a(f, m) if (ip6stat.f || sflag <= 1) \
367 printf(m, (unsigned long long)ip6stat.f)
369 p(ip6s_total
, "\t%llu total packet%s received\n");
370 p1a(ip6s_toosmall
, "\t%llu with size smaller than minimum\n");
371 p1a(ip6s_tooshort
, "\t%llu with data size < data length\n");
372 p1a(ip6s_badoptions
, "\t%llu with bad options\n");
373 p1a(ip6s_badvers
, "\t%llu with incorrect version number\n");
374 p(ip6s_fragments
, "\t%llu fragment%s received\n");
375 p(ip6s_fragdropped
, "\t%llu fragment%s dropped (dup or out of space)\n");
376 p(ip6s_fragtimeout
, "\t%llu fragment%s dropped after timeout\n");
377 p(ip6s_fragoverflow
, "\t%llu fragment%s that exceeded limit\n");
378 p(ip6s_reassembled
, "\t%llu packet%s reassembled ok\n");
379 p(ip6s_delivered
, "\t%llu packet%s for this host\n");
380 p(ip6s_forward
, "\t%llu packet%s forwarded\n");
381 p(ip6s_cantforward
, "\t%llu packet%s not forwardable\n");
382 p(ip6s_redirectsent
, "\t%llu redirect%s sent\n");
383 p(ip6s_localout
, "\t%llu packet%s sent from this host\n");
384 p(ip6s_rawout
, "\t%llu packet%s sent with fabricated ip header\n");
385 p(ip6s_odropped
, "\t%llu output packet%s dropped due to no bufs, etc.\n");
386 p(ip6s_noroute
, "\t%llu output packet%s discarded due to no route\n");
387 p(ip6s_fragmented
, "\t%llu output datagram%s fragmented\n");
388 p(ip6s_ofragments
, "\t%llu fragment%s created\n");
389 p(ip6s_cantfrag
, "\t%llu datagram%s that can't be fragmented\n");
390 p(ip6s_badscope
, "\t%llu packet%s that violated scope rules\n");
391 p(ip6s_notmember
, "\t%llu multicast packet%s which we don't join\n");
392 for (first
= 1, i
= 0; i
< 256; i
++)
393 if (ip6stat
.ip6s_nxthist
[i
] != 0) {
395 printf("\tInput histogram:\n");
398 printf("\t\t%s: %llu\n", ip6nh
[i
],
399 (unsigned long long)ip6stat
.ip6s_nxthist
[i
]);
401 printf("\tMbuf statistics:\n");
402 printf("\t\t%llu one mbuf\n", (unsigned long long)ip6stat
.ip6s_m1
);
403 for (first
= 1, i
= 0; i
< 32; i
++) {
404 char ifbuf
[IFNAMSIZ
];
405 if (ip6stat
.ip6s_m2m
[i
] != 0) {
407 printf("\t\ttwo or more mbuf:\n");
410 printf("\t\t\t%s= %llu\n",
411 if_indextoname(i
, ifbuf
),
412 (unsigned long long)ip6stat
.ip6s_m2m
[i
]);
415 printf("\t\t%llu one ext mbuf\n",
416 (unsigned long long)ip6stat
.ip6s_mext1
);
417 printf("\t\t%llu two or more ext mbuf\n",
418 (unsigned long long)ip6stat
.ip6s_mext2m
);
419 p(ip6s_exthdrtoolong
,
420 "\t%llu packet%s whose headers are not continuous\n");
421 p(ip6s_nogif
, "\t%llu tunneling packet%s that can't find gif\n");
423 "\t%llu packet%s discarded due to too may headers\n");
425 /* for debugging source address selection */
426 #define PRINT_SCOPESTAT(s,i) do {\
427 switch(i) { /* XXX hardcoding in each case */\
429 p(s, "\t\t%llu node-local%s\n");\
432 p(s,"\t\t%llu link-local%s\n");\
435 p(s,"\t\t%llu site-local%s\n");\
438 p(s,"\t\t%llu global%s\n");\
441 printf("\t\t%llu addresses scope=%x\n",\
442 (unsigned long long)ip6stat.s, i);\
447 "\t%llu failure%s of source address selection\n");
448 for (first
= 1, i
= 0; i
< 16; i
++) {
449 if (ip6stat
.ip6s_sources_sameif
[i
]) {
451 printf("\tsource addresses on an outgoing I/F\n");
454 PRINT_SCOPESTAT(ip6s_sources_sameif
[i
], i
);
457 for (first
= 1, i
= 0; i
< 16; i
++) {
458 if (ip6stat
.ip6s_sources_otherif
[i
]) {
460 printf("\tsource addresses on a non-outgoing I/F\n");
463 PRINT_SCOPESTAT(ip6s_sources_otherif
[i
], i
);
466 for (first
= 1, i
= 0; i
< 16; i
++) {
467 if (ip6stat
.ip6s_sources_samescope
[i
]) {
469 printf("\tsource addresses of same scope\n");
472 PRINT_SCOPESTAT(ip6s_sources_samescope
[i
], i
);
475 for (first
= 1, i
= 0; i
< 16; i
++) {
476 if (ip6stat
.ip6s_sources_otherscope
[i
]) {
478 printf("\tsource addresses of a different scope\n");
481 PRINT_SCOPESTAT(ip6s_sources_otherscope
[i
], i
);
484 for (first
= 1, i
= 0; i
< 16; i
++) {
485 if (ip6stat
.ip6s_sources_deprecated
[i
]) {
487 printf("\tdeprecated source addresses\n");
490 PRINT_SCOPESTAT(ip6s_sources_deprecated
[i
], i
);
494 p1a(ip6s_forward_cachehit
, "\t%llu forward cache hit\n");
495 p1a(ip6s_forward_cachemiss
, "\t%llu forward cache miss\n");
501 * Dump IPv6 per-interface statistics based on RFC 2465.
504 ip6_ifstats(char *ifname
)
506 struct in6_ifreq ifr
;
508 #define p(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \
509 printf(m, (unsigned long long)ifr.ifr_ifru.ifru_stat.f, plural(ifr.ifr_ifru.ifru_stat.f))
510 #define p_5(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \
511 printf(m, (unsigned long long)ip6stat.f)
513 if ((s
= socket(AF_INET6
, SOCK_DGRAM
, 0)) < 0) {
514 perror("Warning: socket(AF_INET6)");
518 strcpy(ifr
.ifr_name
, ifname
);
519 printf("ip6 on %s:\n", ifr
.ifr_name
);
521 if (ioctl(s
, SIOCGIFSTAT_IN6
, (char *)&ifr
) < 0) {
522 perror("Warning: ioctl(SIOCGIFSTAT_IN6)");
526 p(ifs6_in_receive
, "\t%llu total input datagram%s\n");
527 p(ifs6_in_hdrerr
, "\t%llu datagram%s with invalid header received\n");
528 p(ifs6_in_toobig
, "\t%llu datagram%s exceeded MTU received\n");
529 p(ifs6_in_noroute
, "\t%llu datagram%s with no route received\n");
530 p(ifs6_in_addrerr
, "\t%llu datagram%s with invalid dst received\n");
531 p(ifs6_in_protounknown
, "\t%llu datagram%s with unknown proto received\n");
532 p(ifs6_in_truncated
, "\t%llu truncated datagram%s received\n");
533 p(ifs6_in_discard
, "\t%llu input datagram%s discarded\n");
535 "\t%llu datagram%s delivered to an upper layer protocol\n");
536 p(ifs6_out_forward
, "\t%llu datagram%s forwarded to this interface\n");
538 "\t%llu datagram%s sent from an upper layer protocol\n");
539 p(ifs6_out_discard
, "\t%llu total discarded output datagram%s\n");
540 p(ifs6_out_fragok
, "\t%llu output datagram%s fragmented\n");
541 p(ifs6_out_fragfail
, "\t%llu output datagram%s failed on fragment\n");
542 p(ifs6_out_fragcreat
, "\t%llu output datagram%s succeeded on fragment\n");
543 p(ifs6_reass_reqd
, "\t%llu incoming datagram%s fragmented\n");
544 p(ifs6_reass_ok
, "\t%llu datagram%s reassembled\n");
545 p(ifs6_reass_fail
, "\t%llu datagram%s failed on reassembling\n");
546 p(ifs6_in_mcast
, "\t%llu multicast datagram%s received\n");
547 p(ifs6_out_mcast
, "\t%llu multicast datagram%s sent\n");
556 static char *icmp6names
[] = {
687 "multicast listener query",
688 "multicast listener report",
689 "multicast listener done",
690 "router solicitation",
691 "router advertisement",
692 "neighbor solicitation",
693 "neighbor advertisement",
695 "router renumbering",
696 "node information request",
697 "node information reply",
698 "inverse neighbor solicitation",
699 "inverse neighbor advertisement",
816 * Dump ICMP6 statistics.
819 icmp6_stats(u_long off __unused
, char *name
, int af __unused
)
821 struct icmp6stat icmp6stat
;
822 register int i
, first
;
828 mib
[2] = IPPROTO_ICMPV6
;
829 mib
[3] = ICMPV6CTL_STATS
;
831 len
= sizeof icmp6stat
;
832 memset(&icmp6stat
, 0, len
);
833 if (sysctl(mib
, 4, &icmp6stat
, &len
, (void *)0, 0) < 0)
835 printf("%s:\n", name
);
837 #define p(f, m) if (icmp6stat.f || sflag <= 1) \
838 printf(m, (unsigned long long)icmp6stat.f, plural(icmp6stat.f))
839 #define p_5(f, m) printf(m, (unsigned long long)icmp6stat.f)
841 p(icp6s_error
, "\t%llu call%s to icmp_error\n");
843 "\t%llu error%s not generated because old message was icmp error or so\n");
845 "\t%llu error%s not generated because rate limitation\n");
846 #define NELEM (sizeof(icmp6stat.icp6s_outhist)/sizeof(icmp6stat.icp6s_outhist[0]))
847 for (first
= 1, i
= 0; i
< NELEM
; i
++)
848 if (icmp6stat
.icp6s_outhist
[i
] != 0) {
850 printf("\tOutput histogram:\n");
853 printf("\t\t%s: %llu\n", icmp6names
[i
],
854 (unsigned long long)icmp6stat
.icp6s_outhist
[i
]);
857 p(icp6s_badcode
, "\t%llu message%s with bad code fields\n");
858 p(icp6s_tooshort
, "\t%llu message%s < minimum length\n");
859 p(icp6s_checksum
, "\t%llu bad checksum%s\n");
860 p(icp6s_badlen
, "\t%llu message%s with bad length\n");
861 #define NELEM (sizeof(icmp6stat.icp6s_inhist)/sizeof(icmp6stat.icp6s_inhist[0]))
862 for (first
= 1, i
= 0; i
< NELEM
; i
++)
863 if (icmp6stat
.icp6s_inhist
[i
] != 0) {
865 printf("\tInput histogram:\n");
868 printf("\t\t%s: %llu\n", icmp6names
[i
],
869 (unsigned long long)icmp6stat
.icp6s_inhist
[i
]);
872 printf("\tHistogram of error messages to be generated:\n");
873 p_5(icp6s_odst_unreach_noroute
, "\t\t%llu no route\n");
874 p_5(icp6s_odst_unreach_admin
, "\t\t%llu administratively prohibited\n");
875 p_5(icp6s_odst_unreach_beyondscope
, "\t\t%llu beyond scope\n");
876 p_5(icp6s_odst_unreach_addr
, "\t\t%llu address unreachable\n");
877 p_5(icp6s_odst_unreach_noport
, "\t\t%llu port unreachable\n");
878 p_5(icp6s_opacket_too_big
, "\t\t%llu packet too big\n");
879 p_5(icp6s_otime_exceed_transit
, "\t\t%llu time exceed transit\n");
880 p_5(icp6s_otime_exceed_reassembly
, "\t\t%llu time exceed reassembly\n");
881 p_5(icp6s_oparamprob_header
, "\t\t%llu erroneous header field\n");
882 p_5(icp6s_oparamprob_nextheader
, "\t\t%llu unrecognized next header\n");
883 p_5(icp6s_oparamprob_option
, "\t\t%llu unrecognized option\n");
884 p_5(icp6s_oredirect
, "\t\t%llu redirect\n");
885 p_5(icp6s_ounknown
, "\t\t%llu unknown\n");
887 p(icp6s_reflect
, "\t%llu message response%s generated\n");
888 p(icp6s_nd_toomanyopt
, "\t%llu message%s with too many ND options\n");
889 p(icp6s_nd_badopt
, "\t%qu message%s with bad ND options\n");
890 p(icp6s_badns
, "\t%qu bad neighbor solicitation message%s\n");
891 p(icp6s_badna
, "\t%qu bad neighbor advertisement message%s\n");
892 p(icp6s_badrs
, "\t%qu bad router solicitation message%s\n");
893 p(icp6s_badra
, "\t%qu bad router advertisement message%s\n");
894 p(icp6s_badredirect
, "\t%qu bad redirect message%s\n");
895 p(icp6s_pmtuchg
, "\t%llu path MTU change%s\n");
901 * Dump ICMPv6 per-interface statistics based on RFC 2466.
904 icmp6_ifstats(char *ifname
)
906 struct in6_ifreq ifr
;
908 #define p(f, m) if (ifr.ifr_ifru.ifru_icmp6stat.f || sflag <= 1) \
909 printf(m, (unsigned long long)ifr.ifr_ifru.ifru_icmp6stat.f, plural(ifr.ifr_ifru.ifru_icmp6stat.f))
911 if ((s
= socket(AF_INET6
, SOCK_DGRAM
, 0)) < 0) {
912 perror("Warning: socket(AF_INET6)");
916 strcpy(ifr
.ifr_name
, ifname
);
917 printf("icmp6 on %s:\n", ifr
.ifr_name
);
919 if (ioctl(s
, SIOCGIFSTAT_ICMP6
, (char *)&ifr
) < 0) {
920 perror("Warning: ioctl(SIOCGIFSTAT_ICMP6)");
924 p(ifs6_in_msg
, "\t%llu total input message%s\n");
925 p(ifs6_in_error
, "\t%llu total input error message%s\n");
926 p(ifs6_in_dstunreach
, "\t%llu input destination unreachable error%s\n");
927 p(ifs6_in_adminprohib
, "\t%llu input administratively prohibited error%s\n");
928 p(ifs6_in_timeexceed
, "\t%llu input time exceeded error%s\n");
929 p(ifs6_in_paramprob
, "\t%llu input parameter problem error%s\n");
930 p(ifs6_in_pkttoobig
, "\t%llu input packet too big error%s\n");
931 p(ifs6_in_echo
, "\t%llu input echo request%s\n");
932 p(ifs6_in_echoreply
, "\t%llu input echo reply%s\n");
933 p(ifs6_in_routersolicit
, "\t%llu input router solicitation%s\n");
934 p(ifs6_in_routeradvert
, "\t%llu input router advertisement%s\n");
935 p(ifs6_in_neighborsolicit
, "\t%llu input neighbor solicitation%s\n");
936 p(ifs6_in_neighboradvert
, "\t%llu input neighbor advertisement%s\n");
937 p(ifs6_in_redirect
, "\t%llu input redirect%s\n");
938 p(ifs6_in_mldquery
, "\t%llu input MLD query%s\n");
939 p(ifs6_in_mldreport
, "\t%llu input MLD report%s\n");
940 p(ifs6_in_mlddone
, "\t%llu input MLD done%s\n");
942 p(ifs6_out_msg
, "\t%llu total output message%s\n");
943 p(ifs6_out_error
, "\t%llu total output error message%s\n");
944 p(ifs6_out_dstunreach
, "\t%llu output destination unreachable error%s\n");
945 p(ifs6_out_adminprohib
, "\t%llu output administratively prohibited error%s\n");
946 p(ifs6_out_timeexceed
, "\t%llu output time exceeded error%s\n");
947 p(ifs6_out_paramprob
, "\t%llu output parameter problem error%s\n");
948 p(ifs6_out_pkttoobig
, "\t%llu output packet too big error%s\n");
949 p(ifs6_out_echo
, "\t%llu output echo request%s\n");
950 p(ifs6_out_echoreply
, "\t%llu output echo reply%s\n");
951 p(ifs6_out_routersolicit
, "\t%llu output router solicitation%s\n");
952 p(ifs6_out_routeradvert
, "\t%llu output router advertisement%s\n");
953 p(ifs6_out_neighborsolicit
, "\t%llu output neighbor solicitation%s\n");
954 p(ifs6_out_neighboradvert
, "\t%llu output neighbor advertisement%s\n");
955 p(ifs6_out_redirect
, "\t%llu output redirect%s\n");
956 p(ifs6_out_mldquery
, "\t%llu output MLD query%s\n");
957 p(ifs6_out_mldreport
, "\t%llu output MLD report%s\n");
958 p(ifs6_out_mlddone
, "\t%llu output MLD done%s\n");
966 * Dump PIM statistics structure.
969 pim6_stats(u_long off __unused
, char *name
, int af __unused
)
971 struct pim6stat pim6stat
;
975 kread(off
, (char *)&pim6stat
, sizeof(pim6stat
));
976 printf("%s:\n", name
);
978 #define p(f, m) if (pim6stat.f || sflag <= 1) \
979 printf(m, (unsigned long long)pim6stat.f, plural(pim6stat.f))
980 p(pim6s_rcv_total
, "\t%llu message%s received\n");
981 p(pim6s_rcv_tooshort
, "\t%llu message%s received with too few bytes\n");
982 p(pim6s_rcv_badsum
, "\t%llu message%s received with bad checksum\n");
983 p(pim6s_rcv_badversion
, "\t%llu message%s received with bad version\n");
984 p(pim6s_rcv_registers
, "\t%llu register%s received\n");
985 p(pim6s_rcv_badregisters
, "\t%llu bad register%s received\n");
986 p(pim6s_snd_registers
, "\t%llu register%s sent\n");
991 * Dump raw ip6 statistics structure.
994 rip6_stats(u_long off __unused
, char *name
, int af __unused
)
996 struct rip6stat rip6stat
;
1003 mib
[2] = IPPROTO_IPV6
;
1004 mib
[3] = IPV6CTL_RIP6STATS
;
1005 l
= sizeof(rip6stat
);
1006 if (sysctl(mib
, 4, &rip6stat
, &l
, NULL
, 0) < 0) {
1007 perror("Warning: sysctl(net.inet6.ip6.rip6stats)");
1011 printf("%s:\n", name
);
1013 #define p(f, m) if (rip6stat.f || sflag <= 1) \
1014 printf(m, (unsigned long long)rip6stat.f, plural(rip6stat.f))
1015 p(rip6s_ipackets
, "\t%llu message%s received\n");
1016 p(rip6s_isum
, "\t%llu checksum calcuration%s on inbound\n");
1017 p(rip6s_badsum
, "\t%llu message%s with bad checksum\n");
1018 p(rip6s_nosock
, "\t%llu message%s dropped due to no socket\n");
1019 p(rip6s_nosockmcast
,
1020 "\t%llu multicast message%s dropped due to no socket\n");
1022 "\t%llu message%s dropped due to full socket buffers\n");
1023 delivered
= rip6stat
.rip6s_ipackets
-
1024 rip6stat
.rip6s_badsum
-
1025 rip6stat
.rip6s_nosock
-
1026 rip6stat
.rip6s_nosockmcast
-
1027 rip6stat
.rip6s_fullsock
;
1028 if (delivered
|| sflag
<= 1)
1029 printf("\t%llu delivered\n", (unsigned long long)delivered
);
1030 p(rip6s_opackets
, "\t%llu datagram%s output\n");
1035 * Pretty print an Internet address (net address + port).
1036 * If the nflag was specified, use numbers instead of names.
1039 extern struct servent
* _serv_cache_getservbyport(int port
, char *proto
);
1041 #define GETSERVBYPORT6(port, proto, ret)\
1043 if (strcmp((proto), "tcp6") == 0)\
1044 (ret) = _serv_cache_getservbyport((int)(port), "tcp");\
1045 else if (strcmp((proto), "udp6") == 0)\
1046 (ret) = _serv_cache_getservbyport((int)(port), "udp");\
1048 (ret) = _serv_cache_getservbyport((int)(port), (proto));\
1051 #define GETSERVBYPORT6(port, proto, ret)\
1053 if (strcmp((proto), "tcp6") == 0)\
1054 (ret) = getservbyport((int)(port), "tcp");\
1055 else if (strcmp((proto), "udp6") == 0)\
1056 (ret) = getservbyport((int)(port), "udp");\
1058 (ret) = getservbyport((int)(port), (proto));\
1062 inet6print(struct in6_addr
*in6
, int port
, char *proto
, int numeric
)
1064 struct servent
*sp
= 0;
1068 sprintf(line
, "%.*s.", lflag
? 39 :
1069 (Aflag
&& !numeric
) ? 12 : 16, inet6name(in6
));
1070 cp
= index(line
, '\0');
1071 if (!numeric
&& port
)
1072 GETSERVBYPORT6(port
, proto
, sp
);
1073 if (sp
|| port
== 0)
1074 sprintf(cp
, "%.8s", sp
? sp
->s_name
: "*");
1076 sprintf(cp
, "%d", ntohs((u_short
)port
));
1077 width
= lflag
? 45 : Aflag
? 18 : 22;
1078 printf("%-*.*s ", width
, width
, line
);
1082 * Construct an Internet address representation.
1083 * If the nflag has been supplied, give
1084 * numeric value, otherwise try for symbolic name.
1088 inet6name(struct in6_addr
*in6p
)
1091 static char line
[50];
1093 static char domain
[MAXHOSTNAMELEN
];
1094 static int first
= 1;
1096 if (first
&& !nflag
) {
1098 if (gethostname(domain
, MAXHOSTNAMELEN
) == 0 &&
1099 (cp
= index(domain
, '.')))
1100 (void) strcpy(domain
, cp
+ 1);
1105 if (!nflag
&& !IN6_IS_ADDR_UNSPECIFIED(in6p
)) {
1106 hp
= gethostbyaddr((char *)in6p
, sizeof(*in6p
), AF_INET6
);
1108 if ((cp
= index(hp
->h_name
, '.')) &&
1109 !strcmp(cp
+ 1, domain
))
1114 if (IN6_IS_ADDR_UNSPECIFIED(in6p
))
1120 inet_ntop(AF_INET6
, (void *)in6p
, ntop_buf
,