ospfctl.c revision 1.42
1/*	$OpenBSD: ospfctl.c,v 1.42 2008/12/06 13:18:12 sobrado Exp $ */
2
3/*
4 * Copyright (c) 2005 Claudio Jeker <claudio@openbsd.org>
5 * Copyright (c) 2004, 2005 Esben Norby <norby@openbsd.org>
6 * Copyright (c) 2003 Henning Brauer <henning@openbsd.org>
7 *
8 * Permission to use, copy, modify, and distribute this software for any
9 * purpose with or without fee is hereby granted, provided that the above
10 * copyright notice and this permission notice appear in all copies.
11 *
12 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
13 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
14 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
15 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
16 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
18 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19 */
20
21#include <sys/types.h>
22#include <sys/socket.h>
23#include <sys/un.h>
24#include <netinet/in.h>
25#include <arpa/inet.h>
26#include <net/if_media.h>
27#include <net/if_types.h>
28
29#include <err.h>
30#include <stdio.h>
31#include <stdlib.h>
32#include <string.h>
33#include <unistd.h>
34
35#include "ospf.h"
36#include "ospfd.h"
37#include "ospfe.h"
38#include "parser.h"
39
40__dead void	 usage(void);
41int		 show_summary_msg(struct imsg *);
42int		 get_ifms_type(int);
43int		 show_interface_msg(struct imsg *);
44int		 show_interface_detail_msg(struct imsg *);
45const char	*print_link(int);
46const char	*fmt_timeframe(time_t t);
47const char	*fmt_timeframe_core(time_t t);
48const char	*log_id(u_int32_t );
49const char	*log_adv_rtr(u_int32_t);
50void		 show_database_head(struct in_addr, u_int8_t);
51int		 show_database_msg(struct imsg *);
52char		*print_ls_type(u_int8_t);
53void		 show_db_hdr_msg_detail(struct lsa_hdr *);
54char		*print_rtr_link_type(u_int8_t);
55const char	*print_ospf_flags(u_int8_t);
56int		 show_db_msg_detail(struct imsg *imsg);
57int		 show_nbr_msg(struct imsg *);
58const char	*print_ospf_options(u_int8_t);
59int		 show_nbr_detail_msg(struct imsg *);
60int		 show_rib_msg(struct imsg *);
61void		 show_rib_head(struct in_addr, u_int8_t, u_int8_t);
62const char	*print_ospf_rtr_flags(u_int8_t);
63int		 show_rib_detail_msg(struct imsg *);
64void		 show_fib_head(void);
65int		 show_fib_msg(struct imsg *);
66void		 show_interface_head(void);
67const char *	 get_media_descr(int);
68const char *	 get_linkstate(int, int);
69void		 print_baudrate(u_int64_t);
70int		 show_fib_interface_msg(struct imsg *);
71
72struct imsgbuf	*ibuf;
73
74__dead void
75usage(void)
76{
77	extern char *__progname;
78
79	fprintf(stderr, "usage: %s command [argument ...]\n", __progname);
80	exit(1);
81}
82
83/* dummy function so that ospfctl does not need libevent */
84void
85imsg_event_add(struct imsgbuf *i)
86{
87	/* nothing */
88}
89
90int
91main(int argc, char *argv[])
92{
93	struct sockaddr_un	 sun;
94	struct parse_result	*res;
95	struct imsg		 imsg;
96	unsigned int		 ifidx = 0;
97	int			 ctl_sock;
98	int			 done = 0;
99	int			 n;
100
101	/* parse options */
102	if ((res = parse(argc - 1, argv + 1)) == NULL)
103		exit(1);
104
105	/* connect to ospfd control socket */
106	if ((ctl_sock = socket(AF_UNIX, SOCK_STREAM, 0)) == -1)
107		err(1, "socket");
108
109	bzero(&sun, sizeof(sun));
110	sun.sun_family = AF_UNIX;
111	strlcpy(sun.sun_path, OSPFD_SOCKET, sizeof(sun.sun_path));
112	if (connect(ctl_sock, (struct sockaddr *)&sun, sizeof(sun)) == -1)
113		err(1, "connect: %s", OSPFD_SOCKET);
114
115	if ((ibuf = malloc(sizeof(struct imsgbuf))) == NULL)
116		err(1, NULL);
117	imsg_init(ibuf, ctl_sock, NULL);
118	done = 0;
119
120	/* process user request */
121	switch (res->action) {
122	case NONE:
123		usage();
124		/* not reached */
125	case SHOW:
126	case SHOW_SUM:
127		imsg_compose(ibuf, IMSG_CTL_SHOW_SUM, 0, 0, NULL, 0);
128		break;
129	case SHOW_IFACE:
130		printf("%-11s %-18s %-6s %-10s %-10s %-8s %3s %3s\n",
131		    "Interface", "Address", "State", "HelloTimer", "Linkstate",
132		    "Uptime", "nc", "ac");
133		/*FALLTHROUGH*/
134	case SHOW_IFACE_DTAIL:
135		if (*res->ifname) {
136			ifidx = if_nametoindex(res->ifname);
137			if (ifidx == 0)
138				errx(1, "no such interface %s", res->ifname);
139		}
140		imsg_compose(ibuf, IMSG_CTL_SHOW_INTERFACE, 0, 0,
141		    &ifidx, sizeof(ifidx));
142		break;
143	case SHOW_NBR:
144		printf("%-15s %-3s %-12s %-8s %-15s %-9s %s\n", "ID", "Pri",
145		    "State", "DeadTime", "Address", "Iface","Uptime");
146		/*FALLTHROUGH*/
147	case SHOW_NBR_DTAIL:
148		imsg_compose(ibuf, IMSG_CTL_SHOW_NBR, 0, 0, NULL, 0);
149		break;
150	case SHOW_DB:
151		imsg_compose(ibuf, IMSG_CTL_SHOW_DATABASE, 0, 0, NULL, 0);
152		break;
153	case SHOW_DBBYAREA:
154		imsg_compose(ibuf, IMSG_CTL_SHOW_DATABASE, 0, 0,
155		    &res->addr, sizeof(res->addr));
156		break;
157	case SHOW_DBEXT:
158		imsg_compose(ibuf, IMSG_CTL_SHOW_DB_EXT, 0, 0, NULL, 0);
159		break;
160	case SHOW_DBNET:
161		imsg_compose(ibuf, IMSG_CTL_SHOW_DB_NET, 0, 0, NULL, 0);
162		break;
163	case SHOW_DBRTR:
164		imsg_compose(ibuf, IMSG_CTL_SHOW_DB_RTR, 0, 0, NULL, 0);
165		break;
166	case SHOW_DBSELF:
167		imsg_compose(ibuf, IMSG_CTL_SHOW_DB_SELF, 0, 0, NULL, 0);
168		break;
169	case SHOW_DBSUM:
170		imsg_compose(ibuf, IMSG_CTL_SHOW_DB_SUM, 0, 0, NULL, 0);
171		break;
172	case SHOW_DBASBR:
173		imsg_compose(ibuf, IMSG_CTL_SHOW_DB_ASBR, 0, 0, NULL, 0);
174		break;
175	case SHOW_RIB:
176		printf("%-20s %-17s %-12s %-9s %-7s %-8s\n", "Destination",
177		    "Nexthop", "Path Type", "Type", "Cost", "Uptime");
178		/*FALLTHROUGH*/
179	case SHOW_RIB_DTAIL:
180		imsg_compose(ibuf, IMSG_CTL_SHOW_RIB, 0, 0, NULL, 0);
181		break;
182	case SHOW_FIB:
183		if (!res->addr.s_addr)
184			imsg_compose(ibuf, IMSG_CTL_KROUTE, 0, 0,
185			    &res->flags, sizeof(res->flags));
186		else
187			imsg_compose(ibuf, IMSG_CTL_KROUTE_ADDR, 0, 0,
188			    &res->addr, sizeof(res->addr));
189		show_fib_head();
190		break;
191	case SHOW_FIB_IFACE:
192		if (*res->ifname)
193			imsg_compose(ibuf, IMSG_CTL_IFINFO, 0, 0,
194			    res->ifname, sizeof(res->ifname));
195		else
196			imsg_compose(ibuf, IMSG_CTL_IFINFO, 0, 0, NULL, 0);
197		show_interface_head();
198		break;
199	case FIB:
200		errx(1, "fib couple|decouple");
201		break;
202	case FIB_COUPLE:
203		imsg_compose(ibuf, IMSG_CTL_FIB_COUPLE, 0, 0, NULL, 0);
204		printf("couple request sent.\n");
205		done = 1;
206		break;
207	case FIB_DECOUPLE:
208		imsg_compose(ibuf, IMSG_CTL_FIB_DECOUPLE, 0, 0, NULL, 0);
209		printf("decouple request sent.\n");
210		done = 1;
211		break;
212	case RELOAD:
213		imsg_compose(ibuf, IMSG_CTL_RELOAD, 0, 0, NULL, 0);
214		printf("reload request sent.\n");
215		done = 1;
216		break;
217	}
218
219	while (ibuf->w.queued)
220		if (msgbuf_write(&ibuf->w) < 0)
221			err(1, "write error");
222
223	while (!done) {
224		if ((n = imsg_read(ibuf)) == -1)
225			errx(1, "imsg_read error");
226		if (n == 0)
227			errx(1, "pipe closed");
228
229		while (!done) {
230			if ((n = imsg_get(ibuf, &imsg)) == -1)
231				errx(1, "imsg_get error");
232			if (n == 0)
233				break;
234			switch (res->action) {
235			case SHOW:
236			case SHOW_SUM:
237				done = show_summary_msg(&imsg);
238				break;
239			case SHOW_IFACE:
240				done = show_interface_msg(&imsg);
241				break;
242			case SHOW_IFACE_DTAIL:
243				done = show_interface_detail_msg(&imsg);
244				break;
245			case SHOW_NBR:
246				done = show_nbr_msg(&imsg);
247				break;
248			case SHOW_NBR_DTAIL:
249				done = show_nbr_detail_msg(&imsg);
250				break;
251			case SHOW_DB:
252			case SHOW_DBBYAREA:
253			case SHOW_DBSELF:
254				done = show_database_msg(&imsg);
255				break;
256			case SHOW_DBEXT:
257			case SHOW_DBNET:
258			case SHOW_DBRTR:
259			case SHOW_DBSUM:
260			case SHOW_DBASBR:
261				done = show_db_msg_detail(&imsg);
262				break;
263			case SHOW_RIB:
264				done = show_rib_msg(&imsg);
265				break;
266			case SHOW_RIB_DTAIL:
267				done = show_rib_detail_msg(&imsg);
268				break;
269			case SHOW_FIB:
270				done = show_fib_msg(&imsg);
271				break;
272			case SHOW_FIB_IFACE:
273				done = show_fib_interface_msg(&imsg);
274				break;
275			case NONE:
276			case FIB:
277			case FIB_COUPLE:
278			case FIB_DECOUPLE:
279			case RELOAD:
280				break;
281			}
282			imsg_free(&imsg);
283		}
284	}
285	close(ctl_sock);
286	free(ibuf);
287
288	return (0);
289}
290
291int
292show_summary_msg(struct imsg *imsg)
293{
294	struct ctl_sum		*sum;
295	struct ctl_sum_area	*sumarea;
296
297	switch (imsg->hdr.type) {
298	case IMSG_CTL_SHOW_SUM:
299		sum = imsg->data;
300		printf("Router ID: %s\n", inet_ntoa(sum->rtr_id));
301		printf("Uptime: %s\n", fmt_timeframe_core(sum->uptime));
302		printf("RFC1583 compatibility flag is ");
303		if (sum->rfc1583compat)
304			printf("enabled\n");
305		else
306			printf("disabled\n");
307
308		printf("SPF delay is %d sec(s), hold time between two SPFs "
309		    "is %d sec(s)\n", sum->spf_delay, sum->spf_hold_time);
310		printf("Number of external LSA(s) %d\n", sum->num_ext_lsa);
311		printf("Number of areas attached to this router: %d\n",
312		    sum->num_area);
313		break;
314	case IMSG_CTL_SHOW_SUM_AREA:
315		sumarea = imsg->data;
316		printf("\nArea ID: %s\n", inet_ntoa(sumarea->area));
317		printf("  Number of interfaces in this area: %d\n",
318		    sumarea->num_iface);
319		printf("  Number of fully adjacent neighbors in this "
320		    "area: %d\n", sumarea->num_adj_nbr);
321		printf("  SPF algorithm executed %d time(s)\n",
322		    sumarea->num_spf_calc);
323		printf("  Number LSA(s) %d\n", sumarea->num_lsa);
324		break;
325	case IMSG_CTL_END:
326		printf("\n");
327		return (1);
328	default:
329		break;
330	}
331
332	return (0);
333}
334
335int
336get_ifms_type(int mediatype)
337{
338	switch (mediatype) {
339	case IFT_ETHER:
340		return (IFM_ETHER);
341	case IFT_FDDI:
342		return (IFM_FDDI);
343	case IFT_CARP:
344		return (IFM_CARP);
345	case IFT_PPP:
346		return (IFM_TDM);
347	default:
348		return (0);
349	}
350}
351
352int
353show_interface_msg(struct imsg *imsg)
354{
355	struct ctl_iface	*iface;
356	char			*netid;
357
358	switch (imsg->hdr.type) {
359	case IMSG_CTL_SHOW_INTERFACE:
360		iface = imsg->data;
361
362		if (asprintf(&netid, "%s/%d", inet_ntoa(iface->addr),
363		    mask2prefixlen(iface->mask.s_addr)) == -1)
364			err(1, NULL);
365		printf("%-11s %-18s %-6s %-10s %-10s %s %3d %3d\n",
366		    iface->name, netid, if_state_name(iface->state),
367		    fmt_timeframe_core(iface->hello_timer),
368		    get_linkstate(get_ifms_type(iface->mediatype),
369		    iface->linkstate), fmt_timeframe_core(iface->uptime),
370		    iface->nbr_cnt, iface->adj_cnt);
371		free(netid);
372		break;
373	case IMSG_CTL_END:
374		printf("\n");
375		return (1);
376	default:
377		break;
378	}
379
380	return (0);
381}
382
383int
384show_interface_detail_msg(struct imsg *imsg)
385{
386	struct ctl_iface	*iface;
387
388	switch (imsg->hdr.type) {
389	case IMSG_CTL_SHOW_INTERFACE:
390		iface = imsg->data;
391		printf("\n");
392		printf("Interface %s, line protocol is %s\n",
393		    iface->name, print_link(iface->flags));
394		printf("  Internet address %s/%d, ",
395		    inet_ntoa(iface->addr),
396		    mask2prefixlen(iface->mask.s_addr));
397		printf("Area %s\n", inet_ntoa(iface->area));
398		printf("  Linkstate %s\n",
399		    get_linkstate(get_ifms_type(iface->mediatype),
400		    iface->linkstate));
401		printf("  Router ID %s, network type %s, cost: %d\n",
402		    inet_ntoa(iface->rtr_id),
403		    if_type_name(iface->type), iface->metric);
404		printf("  Transmit delay is %d sec(s), state %s, priority %d\n",
405		    iface->transmit_delay, if_state_name(iface->state),
406		    iface->priority);
407		printf("  Designated Router (ID) %s, ",
408		    inet_ntoa(iface->dr_id));
409		printf("interface address %s\n", inet_ntoa(iface->dr_addr));
410		printf("  Backup Designated Router (ID) %s, ",
411		    inet_ntoa(iface->bdr_id));
412		printf("interface address %s\n", inet_ntoa(iface->bdr_addr));
413		printf("  Timer intervals configured, "
414		    "hello %d, dead %d, wait %d, retransmit %d\n",
415		     iface->hello_interval, iface->dead_interval,
416		     iface->dead_interval, iface->rxmt_interval);
417		if (iface->passive)
418			printf("    Passive interface (No Hellos)\n");
419		else if (iface->hello_timer < 0)
420			printf("    Hello timer not running\n");
421		else
422			printf("    Hello timer due in %s\n",
423			    fmt_timeframe_core(iface->hello_timer));
424		printf("    Uptime %s\n", fmt_timeframe_core(iface->uptime));
425		printf("  Neighbor count is %d, adjacent neighbor count is "
426		    "%d\n", iface->nbr_cnt, iface->adj_cnt);
427		if (iface->auth_type > 0) {
428			switch (iface->auth_type) {
429			case AUTH_SIMPLE:
430				printf("  Simple password authentication "
431				    "enabled\n");
432				break;
433			case AUTH_CRYPT:
434				printf("  Message digest authentication "
435				    "enabled\n");
436				printf("    Primary key id is %d\n",
437				    iface->auth_keyid);
438				break;
439			default:
440				break;
441			}
442		}
443		break;
444	case IMSG_CTL_END:
445		printf("\n");
446		return (1);
447	default:
448		break;
449	}
450
451	return (0);
452}
453
454const char *
455print_link(int state)
456{
457	if (state & IFF_UP)
458		return ("UP");
459	else
460		return ("DOWN");
461}
462
463#define TF_BUFS	8
464#define TF_LEN	9
465
466const char *
467fmt_timeframe(time_t t)
468{
469	if (t == 0)
470		return ("Never");
471	else
472		return (fmt_timeframe_core(time(NULL) - t));
473}
474
475const char *
476fmt_timeframe_core(time_t t)
477{
478	char		*buf;
479	static char	 tfbuf[TF_BUFS][TF_LEN];	/* ring buffer */
480	static int	 idx = 0;
481	unsigned int	 sec, min, hrs, day, week;
482
483	if (t == 0)
484		return ("00:00:00");
485
486	buf = tfbuf[idx++];
487	if (idx == TF_BUFS)
488		idx = 0;
489
490	week = t;
491
492	sec = week % 60;
493	week /= 60;
494	min = week % 60;
495	week /= 60;
496	hrs = week % 24;
497	week /= 24;
498	day = week % 7;
499	week /= 7;
500
501	if (week > 0)
502		snprintf(buf, TF_LEN, "%02uw%01ud%02uh", week, day, hrs);
503	else if (day > 0)
504		snprintf(buf, TF_LEN, "%01ud%02uh%02um", day, hrs, min);
505	else
506		snprintf(buf, TF_LEN, "%02u:%02u:%02u", hrs, min, sec);
507
508	return (buf);
509}
510
511const char *
512log_id(u_int32_t id)
513{
514	static char	buf[48];
515	struct in_addr	addr;
516
517	addr.s_addr = id;
518
519	if (inet_ntop(AF_INET, &addr, buf, sizeof(buf)) == NULL)
520		return ("?");
521	else
522		return (buf);
523}
524
525const char *
526log_adv_rtr(u_int32_t adv_rtr)
527{
528	static char	buf[48];
529	struct in_addr	addr;
530
531	addr.s_addr = adv_rtr;
532
533	if (inet_ntop(AF_INET, &addr, buf, sizeof(buf)) == NULL)
534		return ("?");
535	else
536		return (buf);
537}
538
539/* prototype defined in ospfd.h and shared with the kroute.c version */
540u_int8_t
541mask2prefixlen(in_addr_t ina)
542{
543	if (ina == 0)
544		return (0);
545	else
546		return (33 - ffs(ntohl(ina)));
547}
548
549void
550show_database_head(struct in_addr aid, u_int8_t type)
551{
552	char	*header, *format;
553
554	switch (type) {
555	case LSA_TYPE_ROUTER:
556		format = "Router Link States";
557		break;
558	case LSA_TYPE_NETWORK:
559		format = "Net Link States";
560		break;
561	case LSA_TYPE_SUM_NETWORK:
562		format = "Summary Net Link States";
563		break;
564	case LSA_TYPE_SUM_ROUTER:
565		format = "Summary Router Link States";
566		break;
567	case LSA_TYPE_EXTERNAL:
568		format = NULL;
569		if ((header = strdup("Type-5 AS External Link States")) == NULL)
570			err(1, NULL);
571		break;
572	default:
573		errx(1, "unknown LSA type");
574	}
575	if (type != LSA_TYPE_EXTERNAL)
576		if (asprintf(&header, "%s (Area %s)", format,
577		    inet_ntoa(aid)) == -1)
578			err(1, NULL);
579
580	printf("\n%-15s %s\n\n", "", header);
581	free(header);
582}
583
584int
585show_database_msg(struct imsg *imsg)
586{
587	static struct in_addr	 area_id;
588	static u_int8_t		 lasttype;
589	struct area		*area;
590	struct lsa_hdr		*lsa;
591
592	switch (imsg->hdr.type) {
593	case IMSG_CTL_SHOW_DATABASE:
594	case IMSG_CTL_SHOW_DB_SELF:
595		lsa = imsg->data;
596		if (lsa->type != lasttype) {
597			show_database_head(area_id, lsa->type);
598			printf("%-15s %-15s %-4s %-10s %-8s\n", "Link ID",
599			    "Adv Router", "Age", "Seq#", "Checksum");
600		}
601		printf("%-15s %-15s %-4d 0x%08x 0x%04x\n",
602		    log_id(lsa->ls_id), log_adv_rtr(lsa->adv_rtr),
603		    ntohs(lsa->age), ntohl(lsa->seq_num),
604		    ntohs(lsa->ls_chksum));
605		lasttype = lsa->type;
606		break;
607	case IMSG_CTL_AREA:
608		area = imsg->data;
609		area_id = area->id;
610		lasttype = 0;
611		break;
612	case IMSG_CTL_END:
613		printf("\n");
614		return (1);
615	default:
616		break;
617	}
618
619	return (0);
620}
621
622char *
623print_ls_type(u_int8_t type)
624{
625	switch (type) {
626	case LSA_TYPE_ROUTER:
627		return ("Router");
628	case LSA_TYPE_NETWORK:
629		return ("Network");
630	case LSA_TYPE_SUM_NETWORK:
631		return ("Summary (Network)");
632	case LSA_TYPE_SUM_ROUTER:
633		return ("Summary (Router)");
634	case LSA_TYPE_EXTERNAL:
635		return ("AS External");
636	default:
637		return ("Unknown");
638	}
639}
640
641void
642show_db_hdr_msg_detail(struct lsa_hdr *lsa)
643{
644	printf("LS age: %d\n", ntohs(lsa->age));
645	printf("Options: %s\n", print_ospf_options(lsa->opts));
646	printf("LS Type: %s\n", print_ls_type(lsa->type));
647
648	switch (lsa->type) {
649	case LSA_TYPE_ROUTER:
650		printf("Link State ID: %s\n", log_id(lsa->ls_id));
651		break;
652	case LSA_TYPE_NETWORK:
653		printf("Link State ID: %s (address of Designated Router)\n",
654		    log_id(lsa->ls_id));
655		break;
656	case LSA_TYPE_SUM_NETWORK:
657		printf("Link State ID: %s (Network ID)\n", log_id(lsa->ls_id));
658		break;
659	case LSA_TYPE_SUM_ROUTER:
660		printf("Link State ID: %s (ASBR Router ID)\n",
661		    log_id(lsa->ls_id));
662		break;
663	case LSA_TYPE_EXTERNAL:
664		printf("Link State ID: %s (External Network Number)\n",
665		     log_id(lsa->ls_id));
666		break;
667	}
668
669	printf("Advertising Router: %s\n", log_adv_rtr(lsa->adv_rtr));
670	printf("LS Seq Number: 0x%08x\n", ntohl(lsa->seq_num));
671	printf("Checksum: 0x%04x\n", ntohs(lsa->ls_chksum));
672	printf("Length: %d\n", ntohs(lsa->len));
673}
674
675char *
676print_rtr_link_type(u_int8_t type)
677{
678	switch (type) {
679	case LINK_TYPE_POINTTOPOINT:
680		return ("Point-to-Point");
681	case LINK_TYPE_TRANSIT_NET:
682		return ("Transit Network");
683	case LINK_TYPE_STUB_NET:
684		return ("Stub Network");
685	case LINK_TYPE_VIRTUAL:
686		return ("Virtual Link");
687	default:
688		return ("Unknown");
689	}
690}
691
692const char *
693print_ospf_flags(u_int8_t opts)
694{
695	static char	optbuf[32];
696
697	snprintf(optbuf, sizeof(optbuf), "*|*|*|*|*|%s|%s|%s",
698	    opts & OSPF_RTR_V ? "V" : "-",
699	    opts & OSPF_RTR_E ? "E" : "-",
700	    opts & OSPF_RTR_B ? "B" : "-");
701	return (optbuf);
702}
703
704int
705show_db_msg_detail(struct imsg *imsg)
706{
707	static struct in_addr	 area_id;
708	static u_int8_t		 lasttype;
709	struct in_addr		 addr, data;
710	struct area		*area;
711	struct lsa		*lsa;
712	struct lsa_rtr_link	*rtr_link;
713	struct lsa_asext	*asext;
714	u_int16_t		 i, nlinks, off;
715
716	/* XXX sanity checks! */
717
718	switch (imsg->hdr.type) {
719	case IMSG_CTL_SHOW_DB_EXT:
720		lsa = imsg->data;
721		if (lsa->hdr.type != lasttype)
722			show_database_head(area_id, lsa->hdr.type);
723		show_db_hdr_msg_detail(&lsa->hdr);
724		addr.s_addr = lsa->data.asext.mask;
725		printf("Network Mask: %s\n", inet_ntoa(addr));
726
727		asext = (struct lsa_asext *)((char *)lsa + sizeof(lsa->hdr));
728
729		printf("    Metric type: ");
730		if (ntohl(lsa->data.asext.metric) & LSA_ASEXT_E_FLAG)
731			printf("2\n");
732		else
733			printf("1\n");
734		printf("    Metric: %d\n", ntohl(asext->metric)
735		    & LSA_METRIC_MASK);
736		addr.s_addr = asext->fw_addr;
737		printf("    Forwarding Address: %s\n", inet_ntoa(addr));
738		printf("    External Route Tag: %d\n\n", ntohl(asext->ext_tag));
739
740		lasttype = lsa->hdr.type;
741		break;
742	case IMSG_CTL_SHOW_DB_NET:
743		lsa = imsg->data;
744		if (lsa->hdr.type != lasttype)
745			show_database_head(area_id, lsa->hdr.type);
746		show_db_hdr_msg_detail(&lsa->hdr);
747		addr.s_addr = lsa->data.net.mask;
748		printf("Network Mask: %s\n", inet_ntoa(addr));
749
750		nlinks = (ntohs(lsa->hdr.len) - sizeof(struct lsa_hdr)
751		    - sizeof(u_int32_t)) / sizeof(struct lsa_net_link);
752		off = sizeof(lsa->hdr) + sizeof(u_int32_t);
753
754		for (i = 0; i < nlinks; i++) {
755			addr.s_addr = lsa->data.net.att_rtr[i];
756			printf("    Attached Router: %s\n", inet_ntoa(addr));
757		}
758
759		printf("\n");
760		lasttype = lsa->hdr.type;
761		break;
762	case IMSG_CTL_SHOW_DB_RTR:
763		lsa = imsg->data;
764		if (lsa->hdr.type != lasttype)
765			show_database_head(area_id, lsa->hdr.type);
766		show_db_hdr_msg_detail(&lsa->hdr);
767		printf("Flags: %s\n", print_ospf_flags(lsa->data.rtr.flags));
768		nlinks = ntohs(lsa->data.rtr.nlinks);
769		printf("Number of Links: %d\n\n", nlinks);
770
771		off = sizeof(lsa->hdr) + sizeof(struct lsa_rtr);
772
773		for (i = 0; i < nlinks; i++) {
774			rtr_link = (struct lsa_rtr_link *)((char *)lsa + off);
775
776			printf("    Link connected to: %s\n",
777			    print_rtr_link_type(rtr_link->type));
778
779			addr.s_addr = rtr_link->id;
780			data.s_addr = rtr_link->data;
781
782			switch (rtr_link->type) {
783			case LINK_TYPE_POINTTOPOINT:
784			case LINK_TYPE_VIRTUAL:
785				printf("    Link ID (Neighbors Router ID):"
786				    " %s\n", inet_ntoa(addr));
787				printf("    Link Data (Router Interface "
788				    "address): %s\n", inet_ntoa(data));
789				break;
790			case LINK_TYPE_TRANSIT_NET:
791				printf("    Link ID (Designated Router "
792				    "address): %s\n", inet_ntoa(addr));
793				printf("    Link Data (Router Interface "
794				    "address): %s\n", inet_ntoa(data));
795				break;
796			case LINK_TYPE_STUB_NET:
797				printf("    Link ID (Network ID): %s\n",
798				    inet_ntoa(addr));
799				printf("    Link Data (Network Mask): %s\n",
800				    inet_ntoa(data));
801				break;
802			default:
803				printf("    Link ID (Unknown): %s\n",
804				    inet_ntoa(addr));
805				printf("    Link Data (Unknown): %s\n",
806				    inet_ntoa(data));
807				break;
808			}
809
810			printf("    Metric: %d\n\n", ntohs(rtr_link->metric));
811
812			off += sizeof(struct lsa_rtr_link) +
813			    rtr_link->num_tos * sizeof(u_int32_t);
814		}
815
816		lasttype = lsa->hdr.type;
817		break;
818	case IMSG_CTL_SHOW_DB_SUM:
819	case IMSG_CTL_SHOW_DB_ASBR:
820		lsa = imsg->data;
821		if (lsa->hdr.type != lasttype)
822			show_database_head(area_id, lsa->hdr.type);
823		show_db_hdr_msg_detail(&lsa->hdr);
824		addr.s_addr = lsa->data.sum.mask;
825		printf("Network Mask: %s\n", inet_ntoa(addr));
826		printf("Metric: %d\n\n", ntohl(lsa->data.sum.metric) &
827		    LSA_METRIC_MASK);
828		lasttype = lsa->hdr.type;
829		break;
830	case IMSG_CTL_AREA:
831		area = imsg->data;
832		area_id = area->id;
833		lasttype = 0;
834		break;
835	case IMSG_CTL_END:
836		return (1);
837	default:
838		break;
839	}
840
841	return (0);
842}
843
844int
845show_nbr_msg(struct imsg *imsg)
846{
847	struct ctl_nbr	*nbr;
848	char		*state;
849
850	switch (imsg->hdr.type) {
851	case IMSG_CTL_SHOW_NBR:
852		nbr = imsg->data;
853		if (asprintf(&state, "%s/%s", nbr_state_name(nbr->nbr_state),
854		    if_state_name(nbr->iface_state)) == -1)
855			err(1, NULL);
856		printf("%-15s %-3d %-12s %-9s", inet_ntoa(nbr->id),
857		    nbr->priority, state, fmt_timeframe_core(nbr->dead_timer));
858		printf("%-15s %-9s %s\n", inet_ntoa(nbr->addr), nbr->name,
859		    nbr->uptime == 0 ? "-" : fmt_timeframe_core(nbr->uptime));
860		free(state);
861		break;
862	case IMSG_CTL_END:
863		printf("\n");
864		return (1);
865	default:
866		break;
867	}
868
869	return (0);
870}
871
872const char *
873print_ospf_options(u_int8_t opts)
874{
875	static char	optbuf[32];
876
877	snprintf(optbuf, sizeof(optbuf), "*|*|%s|%s|%s|%s|%s|*",
878	    opts & OSPF_OPTION_DC ? "DC" : "-",
879	    opts & OSPF_OPTION_EA ? "EA" : "-",
880	    opts & OSPF_OPTION_NP ? "N/P" : "-",
881	    opts & OSPF_OPTION_MC ? "MC" : "-",
882	    opts & OSPF_OPTION_E ? "E" : "-");
883	return (optbuf);
884}
885
886int
887show_nbr_detail_msg(struct imsg *imsg)
888{
889	struct ctl_nbr	*nbr;
890
891	switch (imsg->hdr.type) {
892	case IMSG_CTL_SHOW_NBR:
893		nbr = imsg->data;
894		printf("\nNeighbor %s, ", inet_ntoa(nbr->id));
895		printf("interface address %s\n", inet_ntoa(nbr->addr));
896		printf("  Area %s, interface %s\n", inet_ntoa(nbr->area),
897		    nbr->name);
898		printf("  Neighbor priority is %d, "
899		    "State is %s, %d state changes\n",
900		    nbr->priority, nbr_state_name(nbr->nbr_state),
901		    nbr->state_chng_cnt);
902		printf("  DR is %s, ", inet_ntoa(nbr->dr));
903		printf("BDR is %s\n", inet_ntoa(nbr->bdr));
904		printf("  Options %s\n", print_ospf_options(nbr->options));
905		printf("  Dead timer due in %s\n",
906		    fmt_timeframe_core(nbr->dead_timer));
907		printf("  Uptime %s\n", fmt_timeframe_core(nbr->uptime));
908		printf("  Database Summary List %d\n", nbr->db_sum_lst_cnt);
909		printf("  Link State Request List %d\n", nbr->ls_req_lst_cnt);
910		printf("  Link State Retransmission List %d\n",
911		    nbr->ls_retrans_lst_cnt);
912		break;
913	case IMSG_CTL_END:
914		printf("\n");
915		return (1);
916	default:
917		break;
918	}
919
920	return (0);
921}
922
923int
924show_rib_msg(struct imsg *imsg)
925{
926	struct ctl_rt	*rt;
927	char		*dstnet;
928
929	switch (imsg->hdr.type) {
930	case IMSG_CTL_SHOW_RIB:
931		rt = imsg->data;
932		switch (rt->d_type) {
933		case DT_NET:
934			if (asprintf(&dstnet, "%s/%d", inet_ntoa(rt->prefix),
935			    rt->prefixlen) == -1)
936				err(1, NULL);
937			break;
938		case DT_RTR:
939			if (asprintf(&dstnet, "%s",
940			    inet_ntoa(rt->prefix)) == -1)
941				err(1, NULL);
942			break;
943		default:
944			errx(1, "Invalid route type");
945		}
946
947		printf("%-20s %-17s %-12s %-9s %-7d %s\n", dstnet,
948		    inet_ntoa(rt->nexthop), path_type_name(rt->p_type),
949		    dst_type_name(rt->d_type), rt->cost,
950		    rt->uptime == 0 ? "-" : fmt_timeframe_core(rt->uptime));
951		free(dstnet);
952		break;
953	case IMSG_CTL_END:
954		printf("\n");
955		return (1);
956	default:
957		break;
958	}
959
960	return (0);
961}
962
963void
964show_rib_head(struct in_addr aid, u_int8_t d_type, u_int8_t p_type)
965{
966	char	*header, *format, *format2;
967
968	switch (p_type) {
969	case PT_INTRA_AREA:
970	case PT_INTER_AREA:
971		switch (d_type) {
972		case DT_NET:
973			format = "Network Routing Table";
974			format2 = "";
975			break;
976		case DT_RTR:
977			format = "Router Routing Table";
978			format2 = "Type";
979			break;
980		default:
981			errx(1, "unknown route type");
982		}
983		break;
984	case PT_TYPE1_EXT:
985	case PT_TYPE2_EXT:
986		format = NULL;
987		format2 = "Cost 2";
988		if ((header = strdup("External Routing Table")) == NULL)
989			err(1, NULL);
990		break;
991	default:
992		errx(1, "unknown route type");
993	}
994
995	if (p_type != PT_TYPE1_EXT && p_type != PT_TYPE2_EXT)
996		if (asprintf(&header, "%s (Area %s)", format,
997		    inet_ntoa(aid)) == -1)
998			err(1, NULL);
999
1000	printf("\n%-18s %s\n", "", header);
1001	free(header);
1002
1003	printf("\n%-18s %-15s %-15s %-12s %-7s %-7s\n", "Destination",
1004	    "Nexthop", "Adv Router", "Path type", "Cost", format2);
1005}
1006
1007const char *
1008print_ospf_rtr_flags(u_int8_t opts)
1009{
1010	static char	optbuf[32];
1011
1012	snprintf(optbuf, sizeof(optbuf), "%s%s%s",
1013	    opts & OSPF_RTR_E ? "AS" : "",
1014	    opts & OSPF_RTR_E && opts & OSPF_RTR_B ? "+" : "",
1015	    opts & OSPF_RTR_B ? "ABR" : "");
1016	return (optbuf);
1017}
1018
1019int
1020show_rib_detail_msg(struct imsg *imsg)
1021{
1022	static struct in_addr	 area_id;
1023	struct ctl_rt		*rt;
1024	struct area		*area;
1025	char			*dstnet;
1026	static u_int8_t		 lasttype;
1027
1028	switch (imsg->hdr.type) {
1029	case IMSG_CTL_SHOW_RIB:
1030		rt = imsg->data;
1031
1032		switch (rt->p_type) {
1033		case PT_INTRA_AREA:
1034		case PT_INTER_AREA:
1035			switch (rt->d_type) {
1036			case DT_NET:
1037				if (lasttype != RIB_NET)
1038					show_rib_head(rt->area, rt->d_type,
1039					     rt->p_type);
1040				if (asprintf(&dstnet, "%s/%d",
1041				    inet_ntoa(rt->prefix), rt->prefixlen) == -1)
1042					err(1, NULL);
1043				lasttype = RIB_NET;
1044				break;
1045			case DT_RTR:
1046				if (lasttype != RIB_RTR)
1047					show_rib_head(rt->area, rt->d_type,
1048					     rt->p_type);
1049				if (asprintf(&dstnet, "%s",
1050				    inet_ntoa(rt->prefix)) == -1)
1051					err(1, NULL);
1052				lasttype = RIB_RTR;
1053				break;
1054			default:
1055				errx(1, "unknown route type");
1056			}
1057			printf("%-18s %-15s ", dstnet, inet_ntoa(rt->nexthop));
1058			printf("%-15s %-12s %-7d", inet_ntoa(rt->adv_rtr),
1059			    path_type_name(rt->p_type), rt->cost);
1060			free(dstnet);
1061
1062			if (rt->d_type == DT_RTR)
1063				printf(" %-7s",
1064				    print_ospf_rtr_flags(rt->flags));
1065
1066			printf("\n");
1067			break;
1068		case PT_TYPE1_EXT:
1069		case PT_TYPE2_EXT:
1070			if (lasttype != RIB_EXT)
1071				show_rib_head(rt->area, rt->d_type, rt->p_type);
1072
1073			if (asprintf(&dstnet, "%s/%d",
1074			    inet_ntoa(rt->prefix), rt->prefixlen) == -1)
1075				err(1, NULL);
1076
1077			printf("%-18s %-15s ", dstnet, inet_ntoa(rt->nexthop));
1078			printf("%-15s %-12s %-7d %-7d\n",
1079			    inet_ntoa(rt->adv_rtr), path_type_name(rt->p_type),
1080			    rt->cost, rt->cost2);
1081
1082			lasttype = RIB_EXT;
1083			break;
1084		default:
1085			errx(1, "unknown route type");
1086		}
1087		break;
1088	case IMSG_CTL_AREA:
1089		area = imsg->data;
1090		area_id = area->id;
1091		break;
1092	case IMSG_CTL_END:
1093		printf("\n");
1094		return (1);
1095	default:
1096		break;
1097	}
1098
1099	return (0);
1100}
1101
1102void
1103show_fib_head(void)
1104{
1105	printf("flags: * = valid, O = OSPF, C = Connected, S = Static\n");
1106	printf("%-6s %-20s %-17s\n", "Flags", "Destination", "Nexthop");
1107}
1108
1109int
1110show_fib_msg(struct imsg *imsg)
1111{
1112	struct kroute		*k;
1113	char			*p;
1114
1115	switch (imsg->hdr.type) {
1116	case IMSG_CTL_KROUTE:
1117		if (imsg->hdr.len < IMSG_HEADER_SIZE + sizeof(struct kroute))
1118			errx(1, "wrong imsg len");
1119		k = imsg->data;
1120
1121		if (k->flags & F_DOWN)
1122			printf(" ");
1123		else
1124			printf("*");
1125
1126		if (!(k->flags & F_KERNEL))
1127			printf("O");
1128		else if (k->flags & F_CONNECTED)
1129			printf("C");
1130		else if (k->flags & F_STATIC)
1131			printf("S");
1132		else
1133			printf(" ");
1134
1135		printf("     ");
1136		if (asprintf(&p, "%s/%u", inet_ntoa(k->prefix), k->prefixlen) ==
1137		    -1)
1138			err(1, NULL);
1139		printf("%-20s ", p);
1140		free(p);
1141
1142		if (k->nexthop.s_addr)
1143			printf("%s", inet_ntoa(k->nexthop));
1144		else if (k->flags & F_CONNECTED)
1145			printf("link#%u", k->ifindex);
1146		printf("\n");
1147
1148		break;
1149	case IMSG_CTL_END:
1150		printf("\n");
1151		return (1);
1152	default:
1153		break;
1154	}
1155
1156	return (0);
1157}
1158
1159void
1160show_interface_head(void)
1161{
1162	printf("%-15s%-15s%s\n", "Interface", "Flags",
1163	    "Link state");
1164}
1165
1166const int	ifm_status_valid_list[] = IFM_STATUS_VALID_LIST;
1167const struct ifmedia_status_description
1168		ifm_status_descriptions[] = IFM_STATUS_DESCRIPTIONS;
1169const struct ifmedia_description
1170		ifm_type_descriptions[] = IFM_TYPE_DESCRIPTIONS;
1171
1172const char *
1173get_media_descr(int media_type)
1174{
1175	const struct ifmedia_description	*p;
1176
1177	for (p = ifm_type_descriptions; p->ifmt_string != NULL; p++)
1178		if (media_type == p->ifmt_word)
1179			return (p->ifmt_string);
1180
1181	return ("unknown");
1182}
1183
1184const char *
1185get_linkstate(int media_type, int link_state)
1186{
1187	const struct ifmedia_status_description	*p;
1188	int					 i;
1189
1190	if (link_state == LINK_STATE_UNKNOWN)
1191		return ("unknown");
1192
1193	for (i = 0; ifm_status_valid_list[i] != 0; i++)
1194		for (p = ifm_status_descriptions; p->ifms_valid != 0; p++) {
1195			if (p->ifms_type != media_type ||
1196			    p->ifms_valid != ifm_status_valid_list[i])
1197				continue;
1198			if (LINK_STATE_IS_UP(link_state))
1199				return (p->ifms_string[1]);
1200			return (p->ifms_string[0]);
1201		}
1202
1203	return ("unknown");
1204}
1205
1206void
1207print_baudrate(u_int64_t baudrate)
1208{
1209	if (baudrate > IF_Gbps(1))
1210		printf("%llu GBit/s", baudrate / IF_Gbps(1));
1211	else if (baudrate > IF_Mbps(1))
1212		printf("%llu MBit/s", baudrate / IF_Mbps(1));
1213	else if (baudrate > IF_Kbps(1))
1214		printf("%llu KBit/s", baudrate / IF_Kbps(1));
1215	else
1216		printf("%llu Bit/s", baudrate);
1217}
1218
1219int
1220show_fib_interface_msg(struct imsg *imsg)
1221{
1222	struct kif	*k;
1223	int		 ifms_type;
1224
1225	switch (imsg->hdr.type) {
1226	case IMSG_CTL_IFINFO:
1227		k = imsg->data;
1228		printf("%-15s", k->ifname);
1229		printf("%-15s", k->flags & IFF_UP ? "UP" : "");
1230		switch (k->media_type) {
1231		case IFT_ETHER:
1232			ifms_type = IFM_ETHER;
1233			break;
1234		case IFT_FDDI:
1235			ifms_type = IFM_FDDI;
1236			break;
1237		case IFT_CARP:
1238			ifms_type = IFM_CARP;
1239			break;
1240		default:
1241			ifms_type = 0;
1242			break;
1243		}
1244
1245		if (ifms_type)
1246			printf("%s, %s", get_media_descr(ifms_type),
1247			    get_linkstate(ifms_type, k->link_state));
1248		else if (k->link_state == LINK_STATE_UNKNOWN)
1249			printf("unknown");
1250		else
1251			printf("link state %u", k->link_state);
1252
1253		if (k->link_state != LINK_STATE_DOWN && k->baudrate > 0) {
1254			printf(", ");
1255			print_baudrate(k->baudrate);
1256		}
1257		printf("\n");
1258		break;
1259	case IMSG_CTL_END:
1260		printf("\n");
1261		return (1);
1262	default:
1263		break;
1264	}
1265
1266	return (0);
1267}
1268