GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.sbin/rtadvd/dump.c Lines: 0 108 0.0 %
Date: 2017-11-13 Branches: 0 50 0.0 %

Line Branch Exec Source
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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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}