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/* $OpenBSD: dump.c,v 1.23 2017/04/05 13:38:18 jca Exp $ */ |
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/* $KAME: dump.c,v 1.27 2002/05/29 14:23:55 itojun Exp $ */ |
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/* |
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* Copyright (C) 2000 WIDE Project. |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. Neither the name of the project nor the names of its contributors |
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* may be used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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*/ |
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#include <sys/types.h> |
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#include <sys/socket.h> |
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#include <sys/queue.h> |
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#include <net/if.h> |
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#include <net/if_dl.h> |
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#include <netinet/in.h> |
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/* XXX: the following two are non-standard include files */ |
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#include <netinet6/in6_var.h> |
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#include <netinet6/nd6.h> |
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#include <arpa/inet.h> |
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#include <time.h> |
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#include <stdio.h> |
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#include <stdarg.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <errno.h> |
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#include <netdb.h> |
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#include <event.h> |
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#include "rtadvd.h" |
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#include "if.h" |
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#include "log.h" |
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#include "dump.h" |
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extern struct ralist ralist; |
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static char *ether_str(struct sockaddr_dl *); |
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char *lifetime(int); |
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static char *rtpref_str[] = { |
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"medium", /* 00 */ |
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"high", /* 01 */ |
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"rsv", /* 10 */ |
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"low" /* 11 */ |
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}; |
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static char * |
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ether_str(struct sockaddr_dl *sdl) |
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{ |
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static char hbuf[NI_MAXHOST]; |
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u_char *cp; |
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if (sdl->sdl_alen) { |
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cp = (u_char *)LLADDR(sdl); |
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snprintf(hbuf, sizeof(hbuf), "%02x:%02x:%02x:%02x:%02x:%02x", |
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cp[0], cp[1], cp[2], cp[3], cp[4], cp[5]); |
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} else |
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snprintf(hbuf, sizeof(hbuf), "NONE"); |
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return(hbuf); |
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} |
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char * |
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lifetime(int lt) |
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{ |
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char *str; |
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if (lt == ND6_INFINITE_LIFETIME) { |
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if (asprintf(&str, "infinity") < 0) |
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return (NULL); |
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} else { |
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if (asprintf(&str, "%ld", (long)lt) < 0) |
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return (NULL); |
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} |
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return str; |
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} |
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void |
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rtadvd_dump(void) |
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{ |
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struct rainfo *rai; |
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struct prefix *pfx; |
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struct rdnss *rds; |
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struct dnssl *dsl; |
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struct dnssldom *dnsd; |
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char prefixbuf[INET6_ADDRSTRLEN]; |
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int first; |
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struct timeval now, next; |
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char *origin, *vltime, *pltime, *flags; |
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char *vltimexpire, *pltimexpire; |
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char ctimebuf[26]; |
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gettimeofday(&now, NULL); |
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SLIST_FOREACH(rai, &ralist, entry) { |
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log_info("%s:", rai->ifname); |
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log_info(" Status: %s", |
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(iflist[rai->ifindex]->ifm_flags & IFF_UP) ? "UP" : "DOWN"); |
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/* control information */ |
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if (rai->lastsent.tv_sec) { |
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time_t t = rai->lastsent.tv_sec; |
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(void)strlcpy(ctimebuf, ctime(&t), sizeof(ctimebuf)); |
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ctimebuf[strcspn(ctimebuf, "\n")] = '\0'; |
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log_info(" Last RA sent: %s", ctimebuf); |
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} |
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if (evtimer_pending(&rai->timer.ev, &next)) { |
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time_t t = next.tv_sec; |
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(void)strlcpy(ctimebuf, ctime(&t), sizeof(ctimebuf)); |
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ctimebuf[strcspn(ctimebuf, "\n")] = '\0'; |
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log_info(" Next RA will be sent: %s", ctimebuf); |
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} else |
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log_info(" RA timer is stopped"); |
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log_info(" waits: %u, initcount: %u", |
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rai->waiting, rai->initcounter); |
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/* statistics */ |
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log_info(" statistics: RA(out/in/inconsistent): " |
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"%llu/%llu/%llu, RS(input): %llu", |
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(unsigned long long)rai->raoutput, |
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(unsigned long long)rai->rainput, |
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(unsigned long long)rai->rainconsistent, |
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(unsigned long long)rai->rsinput); |
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/* interface information */ |
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if (rai->advlinkopt) |
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log_info(" Link-layer address: %s", |
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ether_str(rai->sdl)); |
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log_info(" MTU: %d", rai->phymtu); |
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/* Router configuration variables */ |
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log_info(" DefaultLifetime: %d, MaxAdvInterval: %d, " |
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"MinAdvInterval: %d, " |
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"Flags: %s%s, Preference: %s, MTU: %d", |
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rai->lifetime, rai->maxinterval, rai->mininterval, |
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rai->managedflg ? "M" : "-", rai->otherflg ? "O" : "-", |
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rtpref_str[(rai->rtpref >> 3) & 0xff], rai->linkmtu); |
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log_info(" ReachableTime: %d, RetransTimer: %d, " |
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"CurHopLimit: %d", rai->reachabletime, |
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rai->retranstimer, rai->hoplimit); |
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if (rai->clockskew) |
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log_info(" Clock skew: %ldsec", |
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rai->clockskew); |
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first = 1; |
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TAILQ_FOREACH(pfx, &rai->prefixes, entry) { |
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if (first) { |
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log_info(" Prefixes:"); |
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first = 0; |
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} |
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switch (pfx->origin) { |
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case PREFIX_FROM_KERNEL: |
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origin = "KERNEL"; |
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break; |
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case PREFIX_FROM_CONFIG: |
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origin = "CONFIG"; |
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break; |
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case PREFIX_FROM_DYNAMIC: |
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origin = "DYNAMIC"; |
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break; |
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default: |
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origin = ""; |
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} |
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if (pfx->vltimeexpire != 0) { |
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/* truncate to onwire value */ |
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if (asprintf(&vltimexpire, "(decr,expire %u)", |
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(u_int32_t)(pfx->vltimeexpire > now.tv_sec ? |
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pfx->vltimeexpire - now.tv_sec : 0)) == -1) |
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vltimexpire = NULL; |
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} else |
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vltimexpire = NULL; |
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if (pfx->pltimeexpire != 0) { |
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/* truncate to onwire value */ |
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if (asprintf(&pltimexpire, "(decr,expire %u)", |
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(u_int32_t)(pfx->pltimeexpire > now.tv_sec ? |
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pfx->pltimeexpire - now.tv_sec : 0)) == -1) |
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pltimexpire = NULL; |
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} else |
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pltimexpire = NULL; |
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vltime = lifetime(pfx->validlifetime); |
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pltime = lifetime(pfx->preflifetime); |
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asprintf(&flags, "%s%s", |
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pfx->onlinkflg ? "L" : "-", |
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pfx->autoconfflg ? "A" : "-"); |
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log_info(" %s/%d(%s, vltime: %s%s, " |
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"pltime: %s%s, flags: %s)", |
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inet_ntop(AF_INET6, &pfx->prefix, prefixbuf, |
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sizeof(prefixbuf)), pfx->prefixlen, origin, |
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vltime, (vltimexpire)? vltimexpire : "", |
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pltime, (pltimexpire)? pltimexpire : "", flags); |
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free(vltimexpire); |
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vltimexpire = NULL; |
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free(pltimexpire); |
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pltimexpire = NULL; |
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free(vltime); |
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free(pltime); |
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free(flags); |
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} |
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if (!TAILQ_EMPTY(&rai->rdnsss)) |
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log_info(" Recursive DNS servers:"); |
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TAILQ_FOREACH(rds, &rai->rdnsss, entry) { |
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log_info(" Servers:"); |
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for (first = 0; first < rds->servercnt; ++first) { |
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inet_ntop(AF_INET6, &rds->servers[first], |
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prefixbuf, sizeof(prefixbuf)); |
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log_info(" %s", prefixbuf); |
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} |
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log_info(" Lifetime: %u", rds->lifetime); |
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} |
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if (!TAILQ_EMPTY(&rai->dnssls)) |
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log_info(" DNS search lists:"); |
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TAILQ_FOREACH(dsl, &rai->dnssls, entry) { |
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log_info(" Domains:"); |
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TAILQ_FOREACH(dnsd, &dsl->dnssldoms, entry) |
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log_info(" %s", dnsd->domain); |
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log_info(" Lifetime: %u", dsl->lifetime); |
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} |
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} |
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} |