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NetBSD/usr.sbin/tcpdump/print-icmp6.c

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/* $NetBSD: print-icmp6.c,v 1.9 2000/08/03 14:31:04 itojun Exp $ */
/*
* Copyright (c) 1988, 1989, 1990, 1991, 1993, 1994
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that: (1) source code distributions
* retain the above copyright notice and this paragraph in its entirety, (2)
* distributions including binary code include the above copyright notice and
* this paragraph in its entirety in the documentation or other materials
* provided with the distribution, and (3) all advertising materials mentioning
* features or use of this software display the following acknowledgement:
* ``This product includes software developed by the University of California,
* Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
* the University nor the names of its contributors may be used to endorse
* or promote products derived from this software without specific prior
* written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#ifndef lint
#if 0
static const char rcsid[] =
"@(#) /master/usr.sbin/tcpdump/tcpdump/print-icmp.c,v 2.1 1995/02/03 18:14:42 polk Exp (LBL)";
#else
#include <sys/cdefs.h>
__RCSID("$NetBSD: print-icmp6.c,v 1.9 2000/08/03 14:31:04 itojun Exp $");
#endif
#endif
#ifdef INET6
#include <ctype.h>
#include <sys/param.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <net/if.h>
#include <netinet/in.h>
#include <netinet/if_ether.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <netinet/ip_icmp.h>
#include <netinet/ip_var.h>
#include <netinet/udp.h>
#include <netinet/udp_var.h>
#include <netinet/tcp.h>
#include <arpa/inet.h>
#include <stdio.h>
#include <netinet/ip6.h>
#include <netinet/icmp6.h>
#include "interface.h"
#include "addrtoname.h"
void icmp6_opt_print(const u_char *, int);
void mld6_print(const u_char *);
static void dnsname_print(const u_char *, const u_char *);
void icmp6_nodeinfo_print(int, const u_char *, const u_char *);
void
icmp6_print(register const u_char *bp, register const u_char *bp2)
{
const struct icmp6_hdr *dp;
register const struct ip6_hdr *ip;
register const char *str;
register const struct ip6_hdr *oip;
register const struct udphdr *ouh;
register int hlen, dport;
register const u_char *ep;
char buf[256];
int icmp6len;
#if 0
#define TCHECK(var) if ((u_char *)&(var) > ep - sizeof(var)) goto trunc
#endif
dp = (struct icmp6_hdr *)bp;
ip = (struct ip6_hdr *)bp2;
oip = (struct ip6_hdr *)(dp + 1);
str = buf;
/* 'ep' points to the end of avaible data. */
ep = snapend;
if (ip->ip6_plen)
icmp6len = (ntohs(ip->ip6_plen) + sizeof(struct ip6_hdr) -
(bp - bp2));
else /* XXX: jumbo payload case... */
icmp6len = snapend - bp;
#if 0
(void)printf("%s > %s: ",
ip6addr_string(&ip->ip6_src),
ip6addr_string(&ip->ip6_dst));
#endif
TCHECK(dp->icmp6_code);
switch (dp->icmp6_type) {
case ICMP6_DST_UNREACH:
TCHECK(oip->ip6_dst);
switch (dp->icmp6_code) {
case ICMP6_DST_UNREACH_NOROUTE:
printf("icmp6: %s unreachable route",
ip6addr_string(&oip->ip6_dst));
break;
case ICMP6_DST_UNREACH_ADMIN:
printf("icmp6: %s unreachable prohibited",
ip6addr_string(&oip->ip6_dst));
break;
#ifdef ICMP6_DST_UNREACH_BEYONDSCOPE
case ICMP6_DST_UNREACH_BEYONDSCOPE:
#else
case ICMP6_DST_UNREACH_NOTNEIGHBOR:
#endif
printf("icmp6: %s beyond scope of source address %s",
ip6addr_string(&oip->ip6_dst),
ip6addr_string(&oip->ip6_src));
break;
case ICMP6_DST_UNREACH_ADDR:
printf("icmp6: %s unreachable address",
ip6addr_string(&oip->ip6_dst));
break;
case ICMP6_DST_UNREACH_NOPORT:
TCHECK(oip->ip6_nxt);
hlen = sizeof(struct ip6_hdr);
ouh = (struct udphdr *)(((u_char *)oip) + hlen);
dport = ntohs(ouh->uh_dport);
switch (oip->ip6_nxt) {
case IPPROTO_TCP:
printf("icmp6: %s tcp port %s unreachable",
ip6addr_string(&oip->ip6_dst),
tcpport_string(dport));
break;
case IPPROTO_UDP:
printf("icmp6: %s udp port %s unreachable",
ip6addr_string(&oip->ip6_dst),
udpport_string(dport));
break;
default:
printf("icmp6: %s protocol %d port %d unreachable",
ip6addr_string(&oip->ip6_dst),
oip->ip6_nxt, dport);
break;
}
break;
default:
printf("icmp6: %s unreachable code-#%d",
ip6addr_string(&oip->ip6_dst),
dp->icmp6_code);
break;
}
break;
case ICMP6_PACKET_TOO_BIG:
TCHECK(dp->icmp6_mtu);
printf("icmp6: too big %u\n", (u_int32_t)ntohl(dp->icmp6_mtu));
break;
case ICMP6_TIME_EXCEEDED:
TCHECK(oip->ip6_dst);
switch (dp->icmp6_code) {
case ICMP6_TIME_EXCEED_TRANSIT:
printf("icmp6: time exceeded in-transit for %s",
ip6addr_string(&oip->ip6_dst));
break;
case ICMP6_TIME_EXCEED_REASSEMBLY:
printf("icmp6: ip6 reassembly time exceeded");
break;
default:
printf("icmp6: time exceeded code-#%d",
dp->icmp6_code);
break;
}
break;
case ICMP6_PARAM_PROB:
TCHECK(oip->ip6_dst);
switch (dp->icmp6_code) {
case ICMP6_PARAMPROB_HEADER:
printf("icmp6: parameter problem errorneous - octet %u\n",
(u_int32_t)ntohl(dp->icmp6_pptr));
break;
case ICMP6_PARAMPROB_NEXTHEADER:
printf("icmp6: parameter problem next header - octet %u\n",
(u_int32_t)ntohl(dp->icmp6_pptr));
break;
case ICMP6_PARAMPROB_OPTION:
printf("icmp6: parameter problem option - octet %u\n",
(u_int32_t)ntohl(dp->icmp6_pptr));
break;
default:
printf("icmp6: parameter problem code-#%d",
dp->icmp6_code);
break;
}
break;
case ICMP6_ECHO_REQUEST:
printf("icmp6: echo request");
break;
case ICMP6_ECHO_REPLY:
printf("icmp6: echo reply");
break;
case ICMP6_MEMBERSHIP_QUERY:
printf("icmp6: multicast listener query ");
mld6_print((const u_char *)dp);
break;
case ICMP6_MEMBERSHIP_REPORT:
printf("icmp6: multicast listener report ");
mld6_print((const u_char *)dp);
break;
case ICMP6_MEMBERSHIP_REDUCTION:
printf("icmp6: multicast listener done ");
mld6_print((const u_char *)dp);
break;
case ND_ROUTER_SOLICIT:
printf("icmp6: router solicitation ");
if (vflag) {
#define RTSOLLEN 8
icmp6_opt_print((const u_char *)dp + RTSOLLEN,
icmp6len - RTSOLLEN);
}
break;
case ND_ROUTER_ADVERT:
printf("icmp6: router advertisement");
if (vflag) {
struct nd_router_advert *p;
p = (struct nd_router_advert *)dp;
TCHECK(p->nd_ra_retransmit);
printf("(chlim=%d, ", (int)p->nd_ra_curhoplimit);
if (p->nd_ra_flags_reserved & ND_RA_FLAG_MANAGED)
printf("M");
if (p->nd_ra_flags_reserved & ND_RA_FLAG_OTHER)
printf("O");
#ifndef ND_RA_FLAG_HA
#define ND_RA_FLAG_HA 0x20
#endif
if (p->nd_ra_flags_reserved & ND_RA_FLAG_HA)
printf("H");
if (p->nd_ra_flags_reserved != 0)
printf(" ");
printf("router_ltime=%d, ", ntohs(p->nd_ra_router_lifetime));
printf("reachable_time=%u, ",
(u_int32_t)ntohl(p->nd_ra_reachable));
printf("retrans_time=%u)",
(u_int32_t)ntohl(p->nd_ra_retransmit));
#define RTADVLEN 16
icmp6_opt_print((const u_char *)dp + RTADVLEN,
icmp6len - RTADVLEN);
}
break;
case ND_NEIGHBOR_SOLICIT:
{
struct nd_neighbor_solicit *p;
p = (struct nd_neighbor_solicit *)dp;
TCHECK(p->nd_ns_target);
printf("icmp6: neighbor sol: who has %s",
ip6addr_string(&p->nd_ns_target));
if (vflag) {
#define NDSOLLEN 24
icmp6_opt_print((const u_char *)dp + NDSOLLEN,
icmp6len - NDSOLLEN);
}
}
break;
case ND_NEIGHBOR_ADVERT:
{
struct nd_neighbor_advert *p;
p = (struct nd_neighbor_advert *)dp;
TCHECK(p->nd_na_target);
printf("icmp6: neighbor adv: tgt is %s",
ip6addr_string(&p->nd_na_target));
if (vflag) {
#define ND_NA_FLAG_ALL \
(ND_NA_FLAG_ROUTER|ND_NA_FLAG_SOLICITED|ND_NA_FLAG_OVERRIDE)
/* we don't need ntohl() here. see advanced-api-04. */
if (p->nd_na_flags_reserved & ND_NA_FLAG_ALL) {
#undef ND_NA_FLAG_ALL
u_int32_t flags;
flags = p->nd_na_flags_reserved;
printf("(");
if (flags & ND_NA_FLAG_ROUTER)
printf("R");
if (flags & ND_NA_FLAG_SOLICITED)
printf("S");
if (flags & ND_NA_FLAG_OVERRIDE)
printf("O");
printf(")");
}
#define NDADVLEN 24
icmp6_opt_print((const u_char *)dp + NDADVLEN,
icmp6len - NDADVLEN);
#undef NDADVLEN
}
}
break;
case ND_REDIRECT:
#define RDR(i) ((struct nd_redirect *)(i))
TCHECK(RDR(dp)->nd_rd_dst);
printf("icmp6: redirect %s",
getname6((const u_char *)&RDR(dp)->nd_rd_dst));
printf(" to %s",
getname6((const u_char*)&RDR(dp)->nd_rd_target));
#define REDIRECTLEN 40
if (vflag) {
icmp6_opt_print((const u_char *)dp + REDIRECTLEN,
icmp6len - REDIRECTLEN);
}
break;
#undef REDIRECTLEN
#undef RDR
#ifndef ICMP6_ROUTER_RENUMBERING
#define ICMP6_ROUTER_RENUMBERING 138 /* router renumbering */
#endif
case ICMP6_ROUTER_RENUMBERING:
switch (dp->icmp6_code) {
#ifndef ICMP6_ROUTER_RENUMBERING_COMMAND
#define ICMP6_ROUTER_RENUMBERING_COMMAND 0 /* rr command */
#endif
case ICMP6_ROUTER_RENUMBERING_COMMAND:
printf("icmp6: router renum command");
break;
#ifndef ICMP6_ROUTER_RENUMBERING_RESULT
#define ICMP6_ROUTER_RENUMBERING_RESULT 1 /* rr result */
#endif
case ICMP6_ROUTER_RENUMBERING_RESULT:
printf("icmp6: router renum result");
break;
default:
printf("icmp6: router renum code-#%d", dp->icmp6_code);
break;
}
break;
#ifndef ICMP6_NI_QUERY
#define ICMP6_NI_QUERY 139
#endif
case ICMP6_NI_QUERY:
icmp6_nodeinfo_print(icmp6len, bp, ep);
break;
#ifndef ICMP6_NI_REPLY
#define ICMP6_NI_REPLY 140
#endif
case ICMP6_NI_REPLY:
icmp6_nodeinfo_print(icmp6len, bp, ep);
break;
default:
printf("icmp6: type-#%d", dp->icmp6_type);
break;
}
return;
trunc:
fputs("[|icmp6]", stdout);
#if 0
#undef TCHECK
#endif
}
void
icmp6_opt_print(register const u_char *bp, int resid)
{
register const struct nd_opt_hdr *op;
register const struct nd_opt_hdr *opl; /* why there's no struct? */
register const struct nd_opt_prefix_info *opp;
register const struct icmp6_opts_redirect *opr;
register const struct nd_opt_mtu *opm;
register const u_char *ep;
int opts_len;
#if 0
register const struct ip6_hdr *ip;
register const char *str;
register const struct ip6_hdr *oip;
register const struct udphdr *ouh;
register int hlen, dport;
char buf[256];
#endif
#define ECHECK(var) if ((u_char *)&(var) > ep - sizeof(var)) return
op = (struct nd_opt_hdr *)bp;
#if 0
ip = (struct ip6_hdr *)bp2;
oip = &dp->icmp6_ip6;
str = buf;
#endif
/* 'ep' points to the end of avaible data. */
ep = snapend;
ECHECK(op->nd_opt_len);
if (resid <= 0)
return;
switch (op->nd_opt_type) {
case ND_OPT_SOURCE_LINKADDR:
opl = (struct nd_opt_hdr *)op;
#if 1
if ((u_char *)opl + (opl->nd_opt_len << 3) > ep)
goto trunc;
#else
TCHECK((u_char *)opl + (opl->nd_opt_len << 3) - 1);
#endif
printf("(src lladdr: %s", /*)*/
etheraddr_string((u_char *)(opl + 1)));
if (opl->nd_opt_len != 1)
printf("!");
/*(*/
printf(")");
icmp6_opt_print((const u_char *)op + (op->nd_opt_len << 3),
resid - (op->nd_opt_len << 3));
break;
case ND_OPT_TARGET_LINKADDR:
opl = (struct nd_opt_hdr *)op;
#if 1
if ((u_char *)opl + (opl->nd_opt_len << 3) > ep)
goto trunc;
#else
TCHECK((u_char *)opl + (opl->nd_opt_len << 3) - 1);
#endif
printf("(tgt lladdr: %s", /*)*/
etheraddr_string((u_char *)(opl + 1)));
if (opl->nd_opt_len != 1)
printf("!");
/*(*/
printf(")");
icmp6_opt_print((const u_char *)op + (op->nd_opt_len << 3),
resid - (op->nd_opt_len << 3));
break;
case ND_OPT_PREFIX_INFORMATION:
opp = (struct nd_opt_prefix_info *)op;
TCHECK(opp->nd_opt_pi_prefix);
printf("(prefix info: "); /*)*/
if (opp->nd_opt_pi_flags_reserved & ND_OPT_PI_FLAG_ONLINK)
printf("L");
if (opp->nd_opt_pi_flags_reserved & ND_OPT_PI_FLAG_AUTO)
printf("A");
if (opp->nd_opt_pi_flags_reserved)
printf(" ");
printf("valid_ltime=");
if ((u_int32_t)ntohl(opp->nd_opt_pi_valid_time) == ~0U)
printf("infinity");
else {
printf("%u", (u_int32_t)ntohl(opp->nd_opt_pi_valid_time));
}
printf(", ");
printf("preffered_ltime=");
if ((u_int32_t)ntohl(opp->nd_opt_pi_preferred_time) == ~0U)
printf("infinity");
else {
printf("%u", (u_int32_t)ntohl(opp->nd_opt_pi_preferred_time));
}
printf(", ");
printf("prefix=%s/%d", ip6addr_string(&opp->nd_opt_pi_prefix),
opp->nd_opt_pi_prefix_len);
if (opp->nd_opt_pi_len != 4)
printf("!");
/*(*/
printf(")");
icmp6_opt_print((const u_char *)op + (op->nd_opt_len << 3),
resid - (op->nd_opt_len << 3));
break;
case ND_OPT_REDIRECTED_HEADER:
opr = (struct icmp6_opts_redirect *)op;
printf("(redirect)");
/* xxx */
icmp6_opt_print((const u_char *)op + (op->nd_opt_len << 3),
resid - (op->nd_opt_len << 3));
break;
case ND_OPT_MTU:
opm = (struct nd_opt_mtu *)op;
TCHECK(opm->nd_opt_mtu_mtu);
printf("(mtu: "); /*)*/
printf("mtu=%u", (u_int32_t)ntohl(opm->nd_opt_mtu_mtu));
if (opm->nd_opt_mtu_len != 1)
printf("!");
printf(")");
icmp6_opt_print((const u_char *)op + (op->nd_opt_len << 3),
resid - (op->nd_opt_len << 3));
break;
default:
opts_len = op->nd_opt_len;
printf("(unknwon opt_type=%d, opt_len=%d)",
op->nd_opt_type, opts_len);
if (opts_len == 0)
opts_len = 1; /* XXX */
icmp6_opt_print((const u_char *)op + (opts_len << 3),
resid - (opts_len << 3));
break;
}
return;
trunc:
fputs("[ndp opt]", stdout);
return;
#undef ECHECK
}
void
mld6_print(register const u_char *bp)
{
register struct mld6_hdr *mp = (struct mld6_hdr *)bp;
register const u_char *ep;
/* 'ep' points to the end of avaible data. */
ep = snapend;
if ((u_char *)mp + sizeof(*mp) > ep)
return;
printf("max resp delay: %d ", ntohs(mp->mld6_maxdelay));
printf("addr: %s", ip6addr_string(&mp->mld6_addr));
}
static void
dnsname_print(const u_char *cp, const u_char *ep)
{
int i;
/* DNS name decoding - no decompression */
printf(", \"");
while (cp < ep) {
i = *cp++;
if (i) {
if (i > ep - cp) {
printf("???");
break;
}
while (i-- && cp < ep) {
safeputchar(*cp);
cp++;
}
if (cp + 1 < ep && *cp)
printf(".");
} else {
if (cp == ep) {
/* FQDN */
printf(".");
} else if (cp + 1 == ep && *cp == '\0') {
/* truncated */
} else {
/* invalid */
printf("???");
}
break;
}
}
printf("\"");
}
void
icmp6_nodeinfo_print(int icmp6len, const u_char *bp, const u_char *ep)
{
struct icmp6_nodeinfo *ni6;
struct icmp6_hdr *dp;
const u_char *cp;
int siz, i;
int needcomma;
dp = (struct icmp6_hdr *)bp;
ni6 = (struct icmp6_nodeinfo *)bp;
siz = ep - bp;
switch (ni6->ni_type) {
case ICMP6_NI_QUERY:
if (siz == sizeof(*dp) + 4) {
/* KAME who-are-you */
printf("icmp6: who-are-you request");
break;
}
printf("icmp6: node information query");
TCHECK2(*dp, sizeof(*ni6));
ni6 = (struct icmp6_nodeinfo *)dp;
printf(" ("); /*)*/
switch (ntohs(ni6->ni_qtype)) {
case NI_QTYPE_NOOP:
printf("noop");
break;
case NI_QTYPE_SUPTYPES:
printf("supported qtypes");
i = ntohs(ni6->ni_flags);
if (i)
printf(" [%s]", (i & 0x01) ? "C" : "");
break;
break;
case NI_QTYPE_FQDN:
printf("DNS name");
break;
case NI_QTYPE_NODEADDR:
printf("node addresses");
i = ni6->ni_flags;
if (!i)
break;
/* NI_NODEADDR_FLAG_TRUNCATE undefined for query */
printf(" [%s%s%s%s%s%s]",
(i & NI_NODEADDR_FLAG_ANYCAST) ? "a" : "",
(i & NI_NODEADDR_FLAG_GLOBAL) ? "G" : "",
(i & NI_NODEADDR_FLAG_SITELOCAL) ? "S" : "",
(i & NI_NODEADDR_FLAG_LINKLOCAL) ? "L" : "",
(i & NI_NODEADDR_FLAG_COMPAT) ? "C" : "",
(i & NI_NODEADDR_FLAG_ALL) ? "A" : "");
break;
default:
printf("unknown");
break;
}
if (ni6->ni_qtype == NI_QTYPE_NOOP ||
ni6->ni_qtype == NI_QTYPE_SUPTYPES) {
if (siz != sizeof(*ni6))
if (vflag)
printf(", invalid len");
/*(*/
printf(")");
break;
}
/* XXX backward compat, icmp-name-lookup-03 */
if (siz == sizeof(*ni6)) {
printf(", 03 draft");
/*(*/
printf(")");
break;
}
switch (ni6->ni_code) {
case ICMP6_NI_SUBJ_IPV6:
if (!TTEST2(*dp,
sizeof(*ni6) + sizeof(struct in6_addr)))
break;
if (siz != sizeof(*ni6) + sizeof(struct in6_addr)) {
if (vflag)
printf(", invalid subject len");
break;
}
printf(", subject=%s",
getname6((const u_char *)(ni6 + 1)));
break;
case ICMP6_NI_SUBJ_FQDN:
printf(", subject=DNS name");
cp = (const u_char *)(ni6 + 1);
if (cp[0] == ep - cp - 1) {
/* icmp-name-lookup-03, pascal string */
if (vflag)
printf(", 03 draft");
cp++;
printf(", \"");
while (cp < ep) {
safeputchar(*cp);
cp++;
}
printf("\"");
} else
dnsname_print(cp, ep);
break;
case ICMP6_NI_SUBJ_IPV4:
if (!TTEST2(*dp, sizeof(*ni6) + sizeof(struct in_addr)))
break;
if (siz != sizeof(*ni6) + sizeof(struct in_addr)) {
if (vflag)
printf(", invalid subject len");
break;
}
printf(", subject=%s",
getname((const u_char *)(ni6 + 1)));
break;
default:
printf(", unknown subject");
break;
}
/*(*/
printf(")");
break;
case ICMP6_NI_REPLY:
if (icmp6len > siz) {
printf("[|icmp6: node information reply]");
break;
}
needcomma = 0;
ni6 = (struct icmp6_nodeinfo *)dp;
printf("icmp6: node information query");
printf(" ("); /*)*/
switch (ni6->ni_code) {
case ICMP6_NI_SUCCESS:
if (vflag) {
printf("success");
needcomma++;
}
break;
case ICMP6_NI_REFUSED:
printf("refused");
needcomma++;
if (siz != sizeof(*ni6))
if (vflag)
printf(", invalid length");
break;
case ICMP6_NI_UNKNOWN:
printf("unknown");
needcomma++;
if (siz != sizeof(*ni6))
if (vflag)
printf(", invalid length");
break;
}
if (ni6->ni_code != ICMP6_NI_SUCCESS) {
/*(*/
printf(")");
break;
}
switch (ntohs(ni6->ni_qtype)) {
case NI_QTYPE_NOOP:
if (needcomma)
printf(", ");
printf("noop");
if (siz != sizeof(*ni6))
if (vflag)
printf(", invalid length");
break;
case NI_QTYPE_SUPTYPES:
if (needcomma)
printf(", ");
printf("supported qtypes");
i = ntohs(ni6->ni_flags);
if (i)
printf(" [%s]", (i & 0x01) ? "C" : "");
break;
case NI_QTYPE_FQDN:
if (needcomma)
printf(", ");
printf("DNS name");
cp = (const u_char *)(ni6 + 1) + 4;
if (cp[0] == ep - cp - 1) {
/* icmp-name-lookup-03, pascal string */
if (vflag)
printf(", 03 draft");
cp++;
printf(", \"");
while (cp < ep) {
safeputchar(*cp);
cp++;
}
printf("\"");
} else
dnsname_print(cp, ep);
if ((ntohs(ni6->ni_flags) & 0x01) != 0)
printf(" [TTL=%u]", *(u_int32_t *)(ni6 + 1));
break;
case NI_QTYPE_NODEADDR:
if (needcomma)
printf(", ");
printf("node addresses");
for (i = sizeof(*ni6);
i < siz;
i += sizeof(struct in6_addr)) {
printf(" %s", getname6(bp + i));
}
i = ni6->ni_flags;
if (!i)
break;
printf(" [%s%s%s%s%s%s%s]",
(i & NI_NODEADDR_FLAG_ANYCAST) ? "a" : "",
(i & NI_NODEADDR_FLAG_GLOBAL) ? "G" : "",
(i & NI_NODEADDR_FLAG_SITELOCAL) ? "S" : "",
(i & NI_NODEADDR_FLAG_LINKLOCAL) ? "L" : "",
(i & NI_NODEADDR_FLAG_COMPAT) ? "C" : "",
(i & NI_NODEADDR_FLAG_ALL) ? "A" : "",
(i & NI_NODEADDR_FLAG_TRUNCATE) ? "T" : "");
break;
default:
if (needcomma)
printf(", ");
printf("unknown");
break;
}
/*(*/
printf(")");
break;
}
return;
trunc:
fputs("[|icmp6]", stdout);
}
#endif /* INET6 */
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