[apple/network_cmds.git] / rtadvd.tproj / dump.c

/*
 * Copyright (c) 2009-2011 Apple Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 *
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 *
 * Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this file.
 *
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
 */

/*	$KAME: dump.c,v 1.32 2003/05/19 09:46:50 keiichi Exp $	*/

/*
 * Copyright (C) 2000 WIDE Project.
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the project 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 BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/queue.h>

#include <net/if.h>
#include <net/if_var.h>
#include <net/if_dl.h>

#include <netinet/in.h>

/* XXX: the following two are non-standard include files */
#include <netinet6/in6_var.h>
#include <netinet6/nd6.h>

#include <arpa/inet.h>

#include <time.h>
#include <stdio.h>
#include <stdarg.h>
#include <syslog.h>
#include <string.h>
#include <errno.h>

#include "rtadvd.h"
#include "timer.h"
#include "if.h"
#include "dump.h"

static FILE *fp;

extern struct rainfo *ralist;

static char *ether_str(struct sockaddr_dl *);
static void if_dump(void);

static char *rtpref_str[] = {
	"medium",		/* 00 */
	"high",			/* 01 */
	"rsv",			/* 10 */
	"low"			/* 11 */
};

static char *
ether_str(sdl)
	struct sockaddr_dl *sdl;
{
	static char hbuf[32];
	u_char *cp;

	if (sdl->sdl_alen && sdl->sdl_alen > 5) {
		cp = (u_char *)LLADDR(sdl);
		snprintf(hbuf, sizeof(hbuf), "%x:%x:%x:%x:%x:%x",
			cp[0], cp[1], cp[2], cp[3], cp[4], cp[5]);
	} else
		snprintf(hbuf, sizeof(hbuf), "NONE");

	return(hbuf);
}

static void
if_dump()
{
	struct rainfo *rai;
	struct prefix *pfx;
#ifdef ROUTEINFO
	struct rtinfo *rti;
#endif
	char prefixbuf[INET6_ADDRSTRLEN];
	int first;
	struct timeval now;

	gettimeofday(&now, NULL); /* XXX: unused in most cases */
	for (rai = ralist; rai; rai = rai->next) {
		fprintf(fp, "%s:\n", rai->ifname);

		fprintf(fp, "  Status: %s\n",
			(iflist[rai->ifindex]->ifm_flags & IFF_UP) ? "UP" :
			"DOWN");

		/* control information */
		if (rai->lastsent.tv_sec) {
			/* note that ctime() appends CR by itself */
			fprintf(fp, "  Last RA sent: %s",
			    ctime((time_t *)&rai->lastsent.tv_sec));
		}
		if (rai->timer) {
			fprintf(fp, "  Next RA will be sent: %s",
			    ctime((time_t *)&rai->timer->tm.tv_sec));
		}
		else
			fprintf(fp, "  RA timer is stopped");
		fprintf(fp, "  waits: %d, initcount: %d\n",
			rai->waiting, rai->initcounter);

		/* statistics */
		fprintf(fp, "  statistics: RA(out/in/inconsistent): "
		    "%llu/%llu/%llu, ",
		    (unsigned long long)rai->raoutput,
		    (unsigned long long)rai->rainput,
		    (unsigned long long)rai->rainconsistent);
		fprintf(fp, "RS(input): %llu\n",
		    (unsigned long long)rai->rsinput);

		/* interface information */
		if (rai->advlinkopt)
			fprintf(fp, "  Link-layer address: %s\n",
			    ether_str(rai->sdl));
		fprintf(fp, "  MTU: %d\n", rai->phymtu);

		/* Router configuration variables */
		fprintf(fp, "  DefaultLifetime: %d, MaxAdvInterval: %d, "
		    "MinAdvInterval: %d\n", rai->lifetime, rai->maxinterval,
		    rai->mininterval);
		fprintf(fp, "  Flags: %s%s%s, ",
		    rai->managedflg ? "M" : "", rai->otherflg ? "O" : "", "");
		fprintf(fp, "Preference: %s, ",
			rtpref_str[(rai->rtpref >> 3) & 0xff]);
		fprintf(fp, "MTU: %d\n", rai->linkmtu);
		fprintf(fp, "  ReachableTime: %d, RetransTimer: %d, "
			"CurHopLimit: %d\n", rai->reachabletime,
			rai->retranstimer, rai->hoplimit);
		if (rai->clockskew)
			fprintf(fp, "  Clock skew: %ldsec\n",
			    rai->clockskew);
		for (first = 1, pfx = rai->prefix.next; pfx != &rai->prefix;
		     pfx = pfx->next) {
			if (first) {
				fprintf(fp, "  Prefixes:\n");
				first = 0;
			}
			fprintf(fp, "    %s/%d(",
			    inet_ntop(AF_INET6, &pfx->prefix, prefixbuf,
			    sizeof(prefixbuf)), pfx->prefixlen);
			switch (pfx->origin) {
			case PREFIX_FROM_KERNEL:
				fprintf(fp, "KERNEL, ");
				break;
			case PREFIX_FROM_CONFIG:
				fprintf(fp, "CONFIG, ");
				break;
			case PREFIX_FROM_DYNAMIC:
				fprintf(fp, "DYNAMIC, ");
				break;
			}
			if (pfx->validlifetime == ND6_INFINITE_LIFETIME)
				fprintf(fp, "vltime: infinity");
			else
				fprintf(fp, "vltime: %ld",
					(long)pfx->validlifetime);
			if (pfx->vltimeexpire != 0)
				fprintf(fp, "(decr,expire %ld), ", (long)
					pfx->vltimeexpire > now.tv_sec ?
					pfx->vltimeexpire - now.tv_sec : 0);
			else
				fprintf(fp, ", ");
			if (pfx->preflifetime ==  ND6_INFINITE_LIFETIME)
				fprintf(fp, "pltime: infinity");
			else
				fprintf(fp, "pltime: %ld",
					(long)pfx->preflifetime);
			if (pfx->pltimeexpire != 0)
				fprintf(fp, "(decr,expire %ld), ", (long)
					pfx->pltimeexpire > now.tv_sec ?
					pfx->pltimeexpire - now.tv_sec : 0);
			else
				fprintf(fp, ", ");
			fprintf(fp, "flags: %s%s%s",
				pfx->onlinkflg ? "L" : "",
				pfx->autoconfflg ? "A" : "",
				"");
			if (pfx->timer) {
				struct timeval *rest;

				rest = rtadvd_timer_rest(pfx->timer);
				if (rest) { /* XXX: what if not? */
					fprintf(fp, ", expire in: %ld",
					    (long)rest->tv_sec);
				}
			}
			fprintf(fp, ")\n");
		}
#ifdef ROUTEINFO
		for (first = 1, rti = rai->route.next; rti != &rai->route;
		     rti = rti->next) {
			if (first) {
				fprintf(fp, "  Route Information:\n");
				first = 0;
			}
			fprintf(fp, "    %s/%d (",
				inet_ntop(AF_INET6, &rti->prefix,
					  prefixbuf, sizeof(prefixbuf)),
				rti->prefixlen);
			fprintf(fp, "preference: %s, ",
				rtpref_str[0xff & (rti->rtpref >> 3)]);
			if (rti->ltime == ND6_INFINITE_LIFETIME)
				fprintf(fp, "lifetime: infinity");
			else
				fprintf(fp, "lifetime: %ld", (long)rti->ltime);
			fprintf(fp, ")\n");
		}
#endif
	}
}

void
rtadvd_dump_file(dumpfile)
	char *dumpfile;
{
	syslog(LOG_DEBUG, "<%s> dump current status to %s", __func__,
	    dumpfile);

	if ((fp = fopen(dumpfile, "w")) == NULL) {
		syslog(LOG_WARNING, "<%s> open a dump file(%s)",
		    __func__, dumpfile);
		return;
	}

	if_dump();

	fclose(fp);
}
Commit	Line	Data
fdfd5971	1	/*
7af5ce03	2	* Copyright (c) 2009-2011 Apple Inc. All rights reserved.
fdfd5971 A	3	*
	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
	5	*
	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. The rights granted to you under the License
	10	* may not be used to create, or enable the creation or redistribution of,
	11	* unlawful or unlicensed copies of an Apple operating system, or to
	12	* circumvent, violate, or enable the circumvention or violation of, any
	13	* terms of an Apple operating system software license agreement.
	14	*
	15	* Please obtain a copy of the License at
	16	* http://www.opensource.apple.com/apsl/ and read it before using this file.
	17	*
	18	* The Original Code and all software distributed under the License are
	19	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	22	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	23	* Please see the License for the specific language governing rights and
	24	* limitations under the License.
	25	*
	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
	27	*/
	28
7af5ce03	29	/* $KAME: dump.c,v 1.32 2003/05/19 09:46:50 keiichi Exp $ */
7ba0088d A	30
	31	/*
	32	* Copyright (C) 2000 WIDE Project.
	33	* All rights reserved.
	34	*
	35	* Redistribution and use in source and binary forms, with or without
	36	* modification, are permitted provided that the following conditions
	37	* are met:
	38	* 1. Redistributions of source code must retain the above copyright
	39	* notice, this list of conditions and the following disclaimer.
	40	* 2. Redistributions in binary form must reproduce the above copyright
	41	* notice, this list of conditions and the following disclaimer in the
	42	* documentation and/or other materials provided with the distribution.
	43	* 3. Neither the name of the project nor the names of its contributors
	44	* may be used to endorse or promote products derived from this software
	45	* without specific prior written permission.
	46	*
	47	* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
	48	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	49	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	50	* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
	51	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	52	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	53	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	54	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	55	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	56	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	57	* SUCH DAMAGE.
7ba0088d A	58	*/
	59	#include <sys/types.h>
	60	#include <sys/socket.h>
	61	#include <sys/queue.h>
	62
	63	#include <net/if.h>
7ba0088d	64	#include <net/if_var.h>
7ba0088d A	65	#include <net/if_dl.h>
	66
	67	#include <netinet/in.h>
	68
	69	/* XXX: the following two are non-standard include files */
	70	#include <netinet6/in6_var.h>
	71	#include <netinet6/nd6.h>
	72
	73	#include <arpa/inet.h>
	74
	75	#include <time.h>
	76	#include <stdio.h>
	77	#include <stdarg.h>
	78	#include <syslog.h>
	79	#include <string.h>
	80	#include <errno.h>
	81
	82	#include "rtadvd.h"
	83	#include "timer.h"
	84	#include "if.h"
	85	#include "dump.h"
	86
	87	static FILE *fp;
	88
	89	extern struct rainfo *ralist;
	90
7af5ce03 A	91	static char ether_str(struct sockaddr_dl );
7af5ce03 A	92	static void if_dump(void);
7ba0088d A	93
	94	static char *rtpref_str[] = {
	95	"medium", /* 00 */
	96	"high", /* 01 */
	97	"rsv", /* 10 */
	98	"low" /* 11 */
	99	};
	100
	101	static char *
	102	ether_str(sdl)
	103	struct sockaddr_dl *sdl;
	104	{
7af5ce03	105	static char hbuf[32];
7ba0088d A	106	u_char *cp;
	107
	108	if (sdl->sdl_alen && sdl->sdl_alen > 5) {
	109	cp = (u_char *)LLADDR(sdl);
7af5ce03	110	snprintf(hbuf, sizeof(hbuf), "%x:%x:%x:%x:%x:%x",
7ba0088d	111	cp[0], cp[1], cp[2], cp[3], cp[4], cp[5]);
7af5ce03 A	112	} else
7af5ce03 A	113	snprintf(hbuf, sizeof(hbuf), "NONE");
7ba0088d	114
7af5ce03	115	return(hbuf);
7ba0088d A	116	}
	117
	118	static void
	119	if_dump()
	120	{
	121	struct rainfo *rai;
	122	struct prefix *pfx;
7af5ce03 A	123	#ifdef ROUTEINFO
	124	struct rtinfo *rti;
	125	#endif
7ba0088d A	126	char prefixbuf[INET6_ADDRSTRLEN];
	127	int first;
	128	struct timeval now;
	129
	130	gettimeofday(&now, NULL); /* XXX: unused in most cases */
	131	for (rai = ralist; rai; rai = rai->next) {
	132	fprintf(fp, "%s:\n", rai->ifname);
	133
	134	fprintf(fp, " Status: %s\n",
	135	(iflist[rai->ifindex]->ifm_flags & IFF_UP) ? "UP" :
	136	"DOWN");
	137
	138	/* control information */
	139	if (rai->lastsent.tv_sec) {
	140	/* note that ctime() appends CR by itself */
	141	fprintf(fp, " Last RA sent: %s",
7af5ce03	142	ctime((time_t *)&rai->lastsent.tv_sec));
7ba0088d A	143	}
	144	if (rai->timer) {
	145	fprintf(fp, " Next RA will be sent: %s",
7af5ce03	146	ctime((time_t *)&rai->timer->tm.tv_sec));
7ba0088d A	147	}
	148	else
	149	fprintf(fp, " RA timer is stopped");
	150	fprintf(fp, " waits: %d, initcount: %d\n",
	151	rai->waiting, rai->initcounter);
	152
	153	/* statistics */
7af5ce03 A	154	fprintf(fp, " statistics: RA(out/in/inconsistent): "
	155	"%llu/%llu/%llu, ",
	156	(unsigned long long)rai->raoutput,
	157	(unsigned long long)rai->rainput,
	158	(unsigned long long)rai->rainconsistent);
	159	fprintf(fp, "RS(input): %llu\n",
	160	(unsigned long long)rai->rsinput);
7ba0088d A	161
	162	/* interface information */
	163	if (rai->advlinkopt)
	164	fprintf(fp, " Link-layer address: %s\n",
7af5ce03	165	ether_str(rai->sdl));
7ba0088d A	166	fprintf(fp, " MTU: %d\n", rai->phymtu);
	167
	168	/* Router configuration variables */
7af5ce03 A	169	fprintf(fp, " DefaultLifetime: %d, MaxAdvInterval: %d, "
	170	"MinAdvInterval: %d\n", rai->lifetime, rai->maxinterval,
	171	rai->mininterval);
7ba0088d	172	fprintf(fp, " Flags: %s%s%s, ",
7af5ce03	173	rai->managedflg ? "M" : "", rai->otherflg ? "O" : "", "");
7ba0088d A	174	fprintf(fp, "Preference: %s, ",
	175	rtpref_str[(rai->rtpref >> 3) & 0xff]);
	176	fprintf(fp, "MTU: %d\n", rai->linkmtu);
	177	fprintf(fp, " ReachableTime: %d, RetransTimer: %d, "
	178	"CurHopLimit: %d\n", rai->reachabletime,
	179	rai->retranstimer, rai->hoplimit);
7ba0088d A	180	if (rai->clockskew)
7ba0088d A	181	fprintf(fp, " Clock skew: %ldsec\n",
7af5ce03	182	rai->clockskew);
7ba0088d A	183	for (first = 1, pfx = rai->prefix.next; pfx != &rai->prefix;
	184	pfx = pfx->next) {
	185	if (first) {
	186	fprintf(fp, " Prefixes:\n");
	187	first = 0;
	188	}
	189	fprintf(fp, " %s/%d(",
7af5ce03 A	190	inet_ntop(AF_INET6, &pfx->prefix, prefixbuf,
	191	sizeof(prefixbuf)), pfx->prefixlen);
	192	switch (pfx->origin) {
7ba0088d A	193	case PREFIX_FROM_KERNEL:
	194	fprintf(fp, "KERNEL, ");
	195	break;
	196	case PREFIX_FROM_CONFIG:
	197	fprintf(fp, "CONFIG, ");
	198	break;
	199	case PREFIX_FROM_DYNAMIC:
	200	fprintf(fp, "DYNAMIC, ");
	201	break;
	202	}
	203	if (pfx->validlifetime == ND6_INFINITE_LIFETIME)
	204	fprintf(fp, "vltime: infinity");
	205	else
	206	fprintf(fp, "vltime: %ld",
	207	(long)pfx->validlifetime);
	208	if (pfx->vltimeexpire != 0)
	209	fprintf(fp, "(decr,expire %ld), ", (long)
	210	pfx->vltimeexpire > now.tv_sec ?
	211	pfx->vltimeexpire - now.tv_sec : 0);
	212	else
	213	fprintf(fp, ", ");
	214	if (pfx->preflifetime == ND6_INFINITE_LIFETIME)
	215	fprintf(fp, "pltime: infinity");
	216	else
	217	fprintf(fp, "pltime: %ld",
	218	(long)pfx->preflifetime);
	219	if (pfx->pltimeexpire != 0)
	220	fprintf(fp, "(decr,expire %ld), ", (long)
	221	pfx->pltimeexpire > now.tv_sec ?
	222	pfx->pltimeexpire - now.tv_sec : 0);
	223	else
	224	fprintf(fp, ", ");
	225	fprintf(fp, "flags: %s%s%s",
	226	pfx->onlinkflg ? "L" : "",
	227	pfx->autoconfflg ? "A" : "",
7ba0088d	228	"");
7af5ce03 A	229	if (pfx->timer) {
	230	struct timeval *rest;
	231
	232	rest = rtadvd_timer_rest(pfx->timer);
	233	if (rest) { /* XXX: what if not? */
	234	fprintf(fp, ", expire in: %ld",
	235	(long)rest->tv_sec);
	236	}
	237	}
	238	fprintf(fp, ")\n");
	239	}
	240	#ifdef ROUTEINFO
	241	for (first = 1, rti = rai->route.next; rti != &rai->route;
	242	rti = rti->next) {
	243	if (first) {
	244	fprintf(fp, " Route Information:\n");
	245	first = 0;
	246	}
	247	fprintf(fp, " %s/%d (",
	248	inet_ntop(AF_INET6, &rti->prefix,
	249	prefixbuf, sizeof(prefixbuf)),
	250	rti->prefixlen);
	251	fprintf(fp, "preference: %s, ",
	252	rtpref_str[0xff & (rti->rtpref >> 3)]);
	253	if (rti->ltime == ND6_INFINITE_LIFETIME)
	254	fprintf(fp, "lifetime: infinity");
	255	else
	256	fprintf(fp, "lifetime: %ld", (long)rti->ltime);
7ba0088d A	257	fprintf(fp, ")\n");
7ba0088d A	258	}
7af5ce03	259	#endif
7ba0088d A	260	}
	261	}
	262
	263	void
	264	rtadvd_dump_file(dumpfile)
	265	char *dumpfile;
	266	{
7af5ce03 A	267	syslog(LOG_DEBUG, "<%s> dump current status to %s", __func__,
	268	dumpfile);
	269
7ba0088d A	270	if ((fp = fopen(dumpfile, "w")) == NULL) {
7ba0088d A	271	syslog(LOG_WARNING, "<%s> open a dump file(%s)",
7af5ce03	272	__func__, dumpfile);
7ba0088d A	273	return;
	274	}
	275
	276	if_dump();
	277
	278	fclose(fp);
	279	}