1 /*-
2 * Copyright (C) 2011 Hiroki Sato <hrs@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS
18 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
19 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
20 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
21 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
22 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
23 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
24 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 * $FreeBSD$
27 *
28 */
29
30 #include <sys/queue.h>
31 #include <sys/types.h>
32 #include <sys/socket.h>
33 #include <sys/stat.h>
34 #include <sys/un.h>
35 #include <sys/uio.h>
36 #include <net/if.h>
37 #include <net/if_dl.h>
38 #include <net/if_types.h>
39 #include <net/if_var.h>
40 #include <net/ethernet.h>
41 #include <netinet/in.h>
42 #include <netinet/ip6.h>
43 #include <netinet/icmp6.h>
44 #include <netinet6/in6_var.h>
45 #include <netinet6/nd6.h>
46 #include <arpa/inet.h>
47 #include <fcntl.h>
48 #include <errno.h>
49 #include <inttypes.h>
50 #include <netdb.h>
51 #include <unistd.h>
52 #include <string.h>
53 #include <stdarg.h>
54 #include <stdio.h>
55 #include <stdlib.h>
56 #include <stdarg.h>
57 #include <syslog.h>
58 #include <time.h>
59 #include <err.h>
60
61 #include "pathnames.h"
62 #include "rtadvd.h"
63 #include "if.h"
64 #include "timer_subr.h"
65 #include "timer.h"
66 #include "control.h"
67 #include "control_client.h"
68
69 #define RA_IFSTATUS_INACTIVE 0
70 #define RA_IFSTATUS_RA_RECV 1
71 #define RA_IFSTATUS_RA_SEND 2
72
73 static int vflag = LOG_ERR;
74
75 static void usage(void);
76
77 static int action_propset(char *);
78 static int action_propget(char *, struct ctrl_msg_pl *);
79 static int action_plgeneric(int, char *, char *);
80
81 static int action_enable(int, char **);
82 static int action_disable(int, char **);
83 static int action_reload(int, char **);
84 static int action_echo(int, char **);
85 static int action_version(int, char **);
86 static int action_shutdown(int, char **);
87
88 static int action_show(int, char **);
89 static int action_show_prefix(struct prefix *);
90 static int action_show_rtinfo(struct rtinfo *);
91 static int action_show_rdnss(void *);
92 static int action_show_dnssl(void *);
93
94 static int csock_client_open(struct sockinfo *);
95 static size_t dname_labeldec(char *, size_t, const char *);
96 static void mysyslog(int, const char *, ...);
97
98 static const char *rtpref_str[] = {
99 "medium", /* 00 */
100 "high", /* 01 */
101 "rsv", /* 10 */
102 "low" /* 11 */
103 };
104
105 static struct dispatch_table {
106 const char *dt_comm;
107 int (*dt_act)(int, char **);
108 } dtable[] = {
109 { "show", action_show },
110 { "reload", action_reload },
111 { "shutdown", action_shutdown },
112 { "enable", action_enable },
113 { "disable", action_disable },
114 { NULL, NULL },
115 { "echo", action_echo },
116 { "version", action_version },
117 { NULL, NULL },
118 };
119
120 static char errmsgbuf[1024];
121 static char *errmsg = NULL;
122
123 static void
mysyslog(int priority,const char * restrict fmt,...)124 mysyslog(int priority, const char * restrict fmt, ...)
125 {
126 va_list ap;
127
128 if (vflag >= priority) {
129 va_start(ap, fmt);
130 vfprintf(stderr, fmt, ap);
131 fprintf(stderr, "\n");
132 va_end(ap);
133 }
134 }
135
136 static void
usage(void)137 usage(void)
138 {
139 int i;
140
141 for (i = 0; (size_t)i < sizeof(dtable)/sizeof(dtable[0]); i++) {
142 if (dtable[i].dt_comm == NULL)
143 break;
144 printf("%s\n", dtable[i].dt_comm);
145 }
146
147 exit(1);
148 }
149
150 int
main(int argc,char * argv[])151 main(int argc, char *argv[])
152 {
153 int i;
154 int ch;
155 int (*action)(int, char **) = NULL;
156 int error;
157
158 while ((ch = getopt(argc, argv, "Dv")) != -1) {
159 switch (ch) {
160 case 'D':
161 vflag = LOG_DEBUG;
162 break;
163 case 'v':
164 vflag++;
165 break;
166 default:
167 usage();
168 }
169 }
170 argc -= optind;
171 argv += optind;
172
173 if (argc == 0)
174 usage();
175
176 for (i = 0; (size_t)i < sizeof(dtable)/sizeof(dtable[0]); i++) {
177 if (dtable[i].dt_comm == NULL ||
178 strcmp(dtable[i].dt_comm, argv[0]) == 0) {
179 action = dtable[i].dt_act;
180 break;
181 }
182 }
183
184 if (action == NULL)
185 usage();
186
187 error = (dtable[i].dt_act)(--argc, ++argv);
188 if (error) {
189 fprintf(stderr, "%s failed", dtable[i].dt_comm);
190 if (errmsg != NULL)
191 fprintf(stderr, ": %s", errmsg);
192 fprintf(stderr, ".\n");
193 }
194
195 return (error);
196 }
197
198 static int
csock_client_open(struct sockinfo * s)199 csock_client_open(struct sockinfo *s)
200 {
201 struct sockaddr_un sun;
202
203 if ((s->si_fd = socket(PF_UNIX, SOCK_STREAM, 0)) == -1)
204 err(1, "cannot open control socket.");
205
206 memset(&sun, 0, sizeof(sun));
207 sun.sun_family = AF_UNIX;
208 sun.sun_len = sizeof(sun);
209 strlcpy(sun.sun_path, s->si_name, sizeof(sun.sun_path));
210
211 if (connect(s->si_fd, (struct sockaddr *)&sun, sizeof(sun)) == -1)
212 err(1, "connect: %s", s->si_name);
213
214 mysyslog(LOG_DEBUG,
215 "<%s> connected to %s", __func__, sun.sun_path);
216
217 return (0);
218 }
219
220 static int
action_plgeneric(int action,char * plstr,char * buf)221 action_plgeneric(int action, char *plstr, char *buf)
222 {
223 struct ctrl_msg_hdr *cm;
224 struct ctrl_msg_pl cp;
225 struct sockinfo *s;
226 char *msg;
227 char *p;
228 char *q;
229
230 s = &ctrlsock;
231 csock_client_open(s);
232
233 cm = (struct ctrl_msg_hdr *)buf;
234 msg = (char *)buf + sizeof(*cm);
235
236 cm->cm_version = CM_VERSION;
237 cm->cm_type = action;
238 cm->cm_len = sizeof(*cm);
239
240 if (plstr != NULL) {
241 memset(&cp, 0, sizeof(cp));
242 p = strchr(plstr, ':');
243 q = strchr(plstr, '=');
244 if (p != NULL && q != NULL && p > q)
245 return (1);
246
247 if (p == NULL) { /* No : */
248 cp.cp_ifname = NULL;
249 cp.cp_key = plstr;
250 } else if (p == plstr) { /* empty */
251 cp.cp_ifname = NULL;
252 cp.cp_key = plstr + 1;
253 } else {
254 *p++ = '\0';
255 cp.cp_ifname = plstr;
256 cp.cp_key = p;
257 }
258 if (q == NULL)
259 cp.cp_val = NULL;
260 else {
261 *q++ = '\0';
262 cp.cp_val = q;
263 }
264 cm->cm_len += cm_pl2bin(msg, &cp);
265
266 mysyslog(LOG_DEBUG, "<%s> key=%s, val_len=%d, ifname=%s",
267 __func__,cp.cp_key, cp.cp_val_len, cp.cp_ifname);
268 }
269
270 return (cm_handler_client(s->si_fd, CM_STATE_MSG_DISPATCH, buf));
271 }
272
273 static int
action_propget(char * argv,struct ctrl_msg_pl * cp)274 action_propget(char *argv, struct ctrl_msg_pl *cp)
275 {
276 int error;
277 struct ctrl_msg_hdr *cm;
278 char buf[CM_MSG_MAXLEN];
279 char *msg;
280
281 memset(cp, 0, sizeof(*cp));
282 cm = (struct ctrl_msg_hdr *)buf;
283 msg = (char *)buf + sizeof(*cm);
284
285 error = action_plgeneric(CM_TYPE_REQ_GET_PROP, argv, buf);
286 if (error || cm->cm_len <= sizeof(*cm))
287 return (1);
288
289 cm_bin2pl(msg, cp);
290 mysyslog(LOG_DEBUG, "<%s> type=%d, len=%d",
291 __func__, cm->cm_type, cm->cm_len);
292 mysyslog(LOG_DEBUG, "<%s> key=%s, val_len=%d, ifname=%s",
293 __func__,cp->cp_key, cp->cp_val_len, cp->cp_ifname);
294
295 return (0);
296 }
297
298 static int
action_propset(char * argv)299 action_propset(char *argv)
300 {
301 char buf[CM_MSG_MAXLEN];
302
303 return (action_plgeneric(CM_TYPE_REQ_SET_PROP, argv, buf));
304 }
305
306 static int
action_disable(int argc,char ** argv)307 action_disable(int argc, char **argv)
308 {
309 char *action_argv;
310 char argv_disable[IFNAMSIZ + sizeof(":disable=")];
311 int i;
312 int error;
313
314 if (argc < 1)
315 return (1);
316
317 error = 0;
318 for (i = 0; i < argc; i++) {
319 sprintf(argv_disable, "%s:disable=", argv[i]);
320 action_argv = argv_disable;
321 error += action_propset(action_argv);
322 }
323
324 return (error);
325 }
326
327 static int
action_enable(int argc,char ** argv)328 action_enable(int argc, char **argv)
329 {
330 char *action_argv;
331 char argv_enable[IFNAMSIZ + sizeof(":enable=")];
332 int i;
333 int error;
334
335 if (argc < 1)
336 return (1);
337
338 error = 0;
339 for (i = 0; i < argc; i++) {
340 sprintf(argv_enable, "%s:enable=", argv[i]);
341 action_argv = argv_enable;
342 error += action_propset(action_argv);
343 }
344
345 return (error);
346 }
347
348 static int
action_reload(int argc,char ** argv)349 action_reload(int argc, char **argv)
350 {
351 char *action_argv;
352 char argv_reload[IFNAMSIZ + sizeof(":reload=")];
353 int i;
354 int error;
355
356 if (argc == 0) {
357 action_argv = strdup(":reload=");
358 return (action_propset(action_argv));
359 }
360
361 error = 0;
362 for (i = 0; i < argc; i++) {
363 sprintf(argv_reload, "%s:reload=", argv[i]);
364 action_argv = argv_reload;
365 error += action_propset(action_argv);
366 }
367
368 return (error);
369 }
370
371 static int
action_echo(int argc __unused,char ** argv __unused)372 action_echo(int argc __unused, char **argv __unused)
373 {
374 char *action_argv;
375
376 action_argv = strdup("echo");
377 return (action_propset(action_argv));
378 }
379
380 static int
action_shutdown(int argc __unused,char ** argv __unused)381 action_shutdown(int argc __unused, char **argv __unused)
382 {
383 char *action_argv;
384
385 action_argv = strdup("shutdown");
386 return (action_propset(action_argv));
387 }
388
389 /* XXX */
390 static int
action_version(int argc __unused,char ** argv __unused)391 action_version(int argc __unused, char **argv __unused)
392 {
393 char *action_argv;
394 struct ctrl_msg_pl cp;
395 int error;
396
397 action_argv = strdup(":version=");
398 error = action_propget(action_argv, &cp);
399 if (error)
400 return (error);
401
402 printf("version=%s\n", cp.cp_val);
403 return (0);
404 }
405
406 static int
action_show(int argc,char ** argv)407 action_show(int argc, char **argv)
408 {
409 char *action_argv;
410 char argv_ifilist[sizeof(":ifilist=")] = ":ifilist=";
411 char argv_ifi[IFNAMSIZ + sizeof(":ifi=")];
412 char argv_rai[IFNAMSIZ + sizeof(":rai=")];
413 char argv_rti[IFNAMSIZ + sizeof(":rti=")];
414 char argv_pfx[IFNAMSIZ + sizeof(":pfx=")];
415 char argv_ifi_ra_timer[IFNAMSIZ + sizeof(":ifi_ra_timer=")];
416 char argv_rdnss[IFNAMSIZ + sizeof(":rdnss=")];
417 char argv_dnssl[IFNAMSIZ + sizeof(":dnssl=")];
418 char ssbuf[SSBUFLEN];
419
420 struct timespec now, ts0, ts;
421 struct ctrl_msg_pl cp;
422 struct ifinfo *ifi;
423 TAILQ_HEAD(, ifinfo) ifl = TAILQ_HEAD_INITIALIZER(ifl);
424 char *endp;
425 char *p;
426 int error;
427 int i;
428 int len;
429
430 if (argc == 0) {
431 action_argv = argv_ifilist;
432 error = action_propget(action_argv, &cp);
433 if (error)
434 return (error);
435
436 p = cp.cp_val;
437 endp = p + cp.cp_val_len;
438 while (p < endp) {
439 ifi = malloc(sizeof(*ifi));
440 if (ifi == NULL)
441 return (1);
442 memset(ifi, 0, sizeof(*ifi));
443
444 strcpy(ifi->ifi_ifname, p);
445 ifi->ifi_ifindex = if_nametoindex(ifi->ifi_ifname);
446 TAILQ_INSERT_TAIL(&ifl, ifi, ifi_next);
447 p += strlen(ifi->ifi_ifname) + 1;
448 }
449 } else {
450 for (i = 0; i < argc; i++) {
451 ifi = malloc(sizeof(*ifi));
452 if (ifi == NULL)
453 return (1);
454 memset(ifi, 0, sizeof(*ifi));
455
456 strcpy(ifi->ifi_ifname, argv[i]);
457 ifi->ifi_ifindex = if_nametoindex(ifi->ifi_ifname);
458 if (ifi->ifi_ifindex == 0) {
459 sprintf(errmsgbuf, "invalid interface %s",
460 ifi->ifi_ifname);
461 errmsg = errmsgbuf;
462 return (1);
463 }
464
465 TAILQ_INSERT_TAIL(&ifl, ifi, ifi_next);
466 }
467 }
468
469 clock_gettime(CLOCK_REALTIME_FAST, &now);
470 clock_gettime(CLOCK_MONOTONIC_FAST, &ts);
471 TS_SUB(&now, &ts, &ts0);
472
473 TAILQ_FOREACH(ifi, &ifl, ifi_next) {
474 struct ifinfo *ifi_s;
475 struct rtadvd_timer *rat;
476 struct rainfo *rai;
477 struct rtinfo *rti;
478 struct prefix *pfx;
479 int c;
480 int ra_ifstatus;
481
482 sprintf(argv_ifi, "%s:ifi=", ifi->ifi_ifname);
483 action_argv = argv_ifi;
484 error = action_propget(action_argv, &cp);
485 if (error)
486 return (error);
487 ifi_s = (struct ifinfo *)cp.cp_val;
488
489 if (!(ifi_s->ifi_persist) && vflag < LOG_NOTICE)
490 continue;
491
492 printf("%s: flags=<", ifi->ifi_ifname);
493
494 c = 0;
495 if (ifi_s->ifi_ifindex == 0)
496 c += printf("NONEXISTENT");
497 else
498 c += printf("%s", (ifi_s->ifi_flags & IFF_UP) ?
499 "UP" : "DOWN");
500 switch (ifi_s->ifi_state) {
501 case IFI_STATE_CONFIGURED:
502 c += printf("%s%s", (c) ? "," : "", "CONFIGURED");
503 break;
504 case IFI_STATE_TRANSITIVE:
505 c += printf("%s%s", (c) ? "," : "", "TRANSITIVE");
506 break;
507 }
508 if (ifi_s->ifi_persist)
509 c += printf("%s%s", (c) ? "," : "", "PERSIST");
510 printf(">");
511
512 ra_ifstatus = RA_IFSTATUS_INACTIVE;
513 if ((ifi_s->ifi_flags & IFF_UP) &&
514 ((ifi_s->ifi_state == IFI_STATE_CONFIGURED) ||
515 (ifi_s->ifi_state == IFI_STATE_TRANSITIVE))) {
516 #if (__FreeBSD_version < 900000)
517 /*
518 * RA_RECV: !ip6.forwarding && ip6.accept_rtadv
519 * RA_SEND: ip6.forwarding
520 */
521 if (getinet6sysctl(IPV6CTL_FORWARDING) == 0) {
522 if (getinet6sysctl(IPV6CTL_ACCEPT_RTADV))
523 ra_ifstatus = RA_IFSTATUS_RA_RECV;
524 else
525 ra_ifstatus = RA_IFSTATUS_INACTIVE;
526 } else
527 ra_ifstatus = RA_IFSTATUS_RA_SEND;
528 #else
529 /*
530 * RA_RECV: ND6_IFF_ACCEPT_RTADV
531 * RA_SEND: ip6.forwarding
532 */
533 if (ifi_s->ifi_nd_flags & ND6_IFF_ACCEPT_RTADV)
534 ra_ifstatus = RA_IFSTATUS_RA_RECV;
535 else if (getinet6sysctl(IPV6CTL_FORWARDING))
536 ra_ifstatus = RA_IFSTATUS_RA_SEND;
537 else
538 ra_ifstatus = RA_IFSTATUS_INACTIVE;
539 #endif
540 }
541
542 c = 0;
543 printf(" status=<");
544 if (ra_ifstatus == RA_IFSTATUS_INACTIVE)
545 printf("%s%s", (c) ? "," : "", "INACTIVE");
546 else if (ra_ifstatus == RA_IFSTATUS_RA_RECV)
547 printf("%s%s", (c) ? "," : "", "RA_RECV");
548 else if (ra_ifstatus == RA_IFSTATUS_RA_SEND)
549 printf("%s%s", (c) ? "," : "", "RA_SEND");
550 printf("> ");
551
552 switch (ifi_s->ifi_state) {
553 case IFI_STATE_CONFIGURED:
554 case IFI_STATE_TRANSITIVE:
555 break;
556 default:
557 printf("\n");
558 continue;
559 }
560
561 printf("mtu %d\n", ifi_s->ifi_phymtu);
562
563 sprintf(argv_rai, "%s:rai=", ifi->ifi_ifname);
564 action_argv = argv_rai;
565
566 error = action_propget(action_argv, &cp);
567 if (error)
568 continue;
569
570 rai = (struct rainfo *)cp.cp_val;
571
572 printf("\tDefaultLifetime: %s",
573 sec2str(rai->rai_lifetime, ssbuf));
574 if (ra_ifstatus != RA_IFSTATUS_RA_SEND &&
575 rai->rai_lifetime == 0)
576 printf(" (RAs will be sent with zero lifetime)");
577
578 printf("\n");
579
580 printf("\tMinAdvInterval/MaxAdvInterval: ");
581 printf("%s/", sec2str(rai->rai_mininterval, ssbuf));
582 printf("%s\n", sec2str(rai->rai_maxinterval, ssbuf));
583 if (rai->rai_linkmtu)
584 printf("\tAdvLinkMTU: %d", rai->rai_linkmtu);
585 else
586 printf("\tAdvLinkMTU: <none>");
587
588 printf(", ");
589
590 printf("Flags: ");
591 if (rai->rai_managedflg || rai->rai_otherflg) {
592 printf("%s", rai->rai_managedflg ? "M" : "");
593 printf("%s", rai->rai_otherflg ? "O" : "");
594 } else
595 printf("<none>");
596
597 printf(", ");
598
599 printf("Preference: %s\n",
600 rtpref_str[(rai->rai_rtpref >> 3) & 0xff]);
601
602 printf("\tReachableTime: %s, ",
603 sec2str(rai->rai_reachabletime, ssbuf));
604 printf("RetransTimer: %s, "
605 "CurHopLimit: %d\n",
606 sec2str(rai->rai_retranstimer, ssbuf),
607 rai->rai_hoplimit);
608 printf("\tAdvIfPrefixes: %s\n",
609 rai->rai_advifprefix ? "yes" : "no");
610
611 /* RA timer */
612 rat = NULL;
613 if (ifi_s->ifi_ra_timer != NULL) {
614 sprintf(argv_ifi_ra_timer, "%s:ifi_ra_timer=",
615 ifi->ifi_ifname);
616 action_argv = argv_ifi_ra_timer;
617
618 error = action_propget(action_argv, &cp);
619 if (error)
620 return (error);
621
622 rat = (struct rtadvd_timer *)cp.cp_val;
623 }
624 printf("\tNext RA send: ");
625 if (rat == NULL)
626 printf("never\n");
627 else {
628 ts.tv_sec = rat->rat_tm.tv_sec + ts0.tv_sec;
629 printf("%s", ctime(&ts.tv_sec));
630 }
631 printf("\tLast RA send: ");
632 if (ifi_s->ifi_ra_lastsent.tv_sec == 0)
633 printf("never\n");
634 else {
635 ts.tv_sec = ifi_s->ifi_ra_lastsent.tv_sec + ts0.tv_sec;
636 printf("%s", ctime(&ts.tv_sec));
637 }
638 if (rai->rai_clockskew)
639 printf("\tClock skew: %" PRIu16 "sec\n",
640 rai->rai_clockskew);
641
642 if (vflag < LOG_WARNING)
643 continue;
644
645 /* route information */
646 sprintf(argv_rti, "%s:rti=", ifi->ifi_ifname);
647 action_argv = argv_rti;
648 error = action_propget(action_argv, &cp);
649 if (error)
650 return (error);
651
652 rti = (struct rtinfo *)cp.cp_val;
653 len = cp.cp_val_len / sizeof(*rti);
654 if (len > 0) {
655 printf("\tRoute Info:\n");
656
657 for (i = 0; i < len; i++)
658 action_show_rtinfo(&rti[i]);
659 }
660
661 /* prefix information */
662 sprintf(argv_pfx, "%s:pfx=", ifi->ifi_ifname);
663 action_argv = argv_pfx;
664
665 error = action_propget(action_argv, &cp);
666 if (error)
667 continue;
668
669 pfx = (struct prefix *)cp.cp_val;
670 len = cp.cp_val_len / sizeof(*pfx);
671
672 if (len > 0) {
673 printf("\tPrefixes (%d):\n", len);
674
675 for (i = 0; i < len; i++)
676 action_show_prefix(&pfx[i]);
677 }
678
679 /* RDNSS information */
680 sprintf(argv_rdnss, "%s:rdnss=", ifi->ifi_ifname);
681 action_argv = argv_rdnss;
682
683 error = action_propget(action_argv, &cp);
684 if (error)
685 continue;
686
687 len = *((uint16_t *)cp.cp_val);
688
689 if (len > 0) {
690 printf("\tRDNSS entries:\n");
691 action_show_rdnss(cp.cp_val);
692 }
693
694 /* DNSSL information */
695 sprintf(argv_dnssl, "%s:dnssl=", ifi->ifi_ifname);
696 action_argv = argv_dnssl;
697
698 error = action_propget(action_argv, &cp);
699 if (error)
700 continue;
701
702 len = *((uint16_t *)cp.cp_val);
703
704 if (len > 0) {
705 printf("\tDNSSL entries:\n");
706 action_show_dnssl(cp.cp_val);
707 }
708
709 if (vflag < LOG_NOTICE)
710 continue;
711
712 printf("\n");
713
714 printf("\tCounters\n"
715 "\t RA burst counts: %" PRIu16 " (interval: %s)\n"
716 "\t RS wait counts: %" PRIu16 "\n",
717 ifi_s->ifi_burstcount,
718 sec2str(ifi_s->ifi_burstinterval, ssbuf),
719 ifi_s->ifi_rs_waitcount);
720
721 printf("\tOutputs\n"
722 "\t RA: %" PRIu64 "\n", ifi_s->ifi_raoutput);
723
724 printf("\tInputs\n"
725 "\t RA: %" PRIu64 " (normal)\n"
726 "\t RA: %" PRIu64 " (inconsistent)\n"
727 "\t RS: %" PRIu64 "\n",
728 ifi_s->ifi_rainput,
729 ifi_s->ifi_rainconsistent,
730 ifi_s->ifi_rsinput);
731
732 printf("\n");
733
734 #if 0 /* Not implemented yet */
735 printf("\tReceived RAs:\n");
736 #endif
737 }
738
739 return (0);
740 }
741
742 static int
action_show_rtinfo(struct rtinfo * rti)743 action_show_rtinfo(struct rtinfo *rti)
744 {
745 char ntopbuf[INET6_ADDRSTRLEN];
746 char ssbuf[SSBUFLEN];
747
748 printf("\t %s/%d (pref: %s, ltime: %s)\n",
749 inet_ntop(AF_INET6, &rti->rti_prefix,
750 ntopbuf, sizeof(ntopbuf)),
751 rti->rti_prefixlen,
752 rtpref_str[0xff & (rti->rti_rtpref >> 3)],
753 (rti->rti_ltime == ND6_INFINITE_LIFETIME) ?
754 "infinity" : sec2str(rti->rti_ltime, ssbuf));
755
756 return (0);
757 }
758
759 static int
action_show_prefix(struct prefix * pfx)760 action_show_prefix(struct prefix *pfx)
761 {
762 char ntopbuf[INET6_ADDRSTRLEN];
763 char ssbuf[SSBUFLEN];
764 struct timespec now;
765
766 clock_gettime(CLOCK_MONOTONIC_FAST, &now);
767 printf("\t %s/%d", inet_ntop(AF_INET6, &pfx->pfx_prefix,
768 ntopbuf, sizeof(ntopbuf)), pfx->pfx_prefixlen);
769
770 printf(" (");
771 switch (pfx->pfx_origin) {
772 case PREFIX_FROM_KERNEL:
773 printf("KERNEL");
774 break;
775 case PREFIX_FROM_CONFIG:
776 printf("CONFIG");
777 break;
778 case PREFIX_FROM_DYNAMIC:
779 printf("DYNAMIC");
780 break;
781 }
782
783 printf(",");
784
785 printf(" vltime=%s",
786 (pfx->pfx_validlifetime == ND6_INFINITE_LIFETIME) ?
787 "infinity" : sec2str(pfx->pfx_validlifetime, ssbuf));
788
789 if (pfx->pfx_vltimeexpire > 0)
790 printf("(expire: %s)",
791 ((long)pfx->pfx_vltimeexpire > now.tv_sec) ?
792 sec2str(pfx->pfx_vltimeexpire - now.tv_sec, ssbuf) :
793 "0");
794
795 printf(",");
796
797 printf(" pltime=%s",
798 (pfx->pfx_preflifetime == ND6_INFINITE_LIFETIME) ?
799 "infinity" : sec2str(pfx->pfx_preflifetime, ssbuf));
800
801 if (pfx->pfx_pltimeexpire > 0)
802 printf("(expire %s)",
803 ((long)pfx->pfx_pltimeexpire > now.tv_sec) ?
804 sec2str(pfx->pfx_pltimeexpire - now.tv_sec, ssbuf) :
805 "0");
806
807 printf(",");
808
809 printf(" flags=");
810 if (pfx->pfx_onlinkflg || pfx->pfx_autoconfflg) {
811 printf("%s", pfx->pfx_onlinkflg ? "L" : "");
812 printf("%s", pfx->pfx_autoconfflg ? "A" : "");
813 } else
814 printf("<none>");
815
816 if (pfx->pfx_timer) {
817 struct timespec *rest;
818
819 rest = rtadvd_timer_rest(pfx->pfx_timer);
820 if (rest) { /* XXX: what if not? */
821 printf(" expire=%s", sec2str(rest->tv_sec, ssbuf));
822 }
823 }
824
825 printf(")\n");
826
827 return (0);
828 }
829
830 static int
action_show_rdnss(void * msg)831 action_show_rdnss(void *msg)
832 {
833 struct rdnss *rdn;
834 struct rdnss_addr *rda;
835 uint16_t *rdn_cnt;
836 uint16_t *rda_cnt;
837 int i;
838 int j;
839 char *p;
840 uint32_t ltime;
841 char ntopbuf[INET6_ADDRSTRLEN];
842 char ssbuf[SSBUFLEN];
843
844 p = msg;
845 rdn_cnt = (uint16_t *)p;
846 p += sizeof(*rdn_cnt);
847
848 if (*rdn_cnt > 0) {
849 for (i = 0; i < *rdn_cnt; i++) {
850 rdn = (struct rdnss *)p;
851 ltime = rdn->rd_ltime;
852 p += sizeof(*rdn);
853
854 rda_cnt = (uint16_t *)p;
855 p += sizeof(*rda_cnt);
856 if (*rda_cnt > 0)
857 for (j = 0; j < *rda_cnt; j++) {
858 rda = (struct rdnss_addr *)p;
859 printf("\t %s (ltime=%s)\n",
860 inet_ntop(AF_INET6,
861 &rda->ra_dns,
862 ntopbuf,
863 sizeof(ntopbuf)),
864 sec2str(ltime, ssbuf));
865 p += sizeof(*rda);
866 }
867 }
868 }
869
870 return (0);
871 }
872
873 static int
action_show_dnssl(void * msg)874 action_show_dnssl(void *msg)
875 {
876 struct dnssl *dns;
877 struct dnssl_addr *dna;
878 uint16_t *dns_cnt;
879 uint16_t *dna_cnt;
880 int i;
881 int j;
882 char *p;
883 uint32_t ltime;
884 char hbuf[NI_MAXHOST];
885 char ssbuf[SSBUFLEN];
886
887 p = msg;
888 dns_cnt = (uint16_t *)p;
889 p += sizeof(*dns_cnt);
890
891 if (*dns_cnt > 0) {
892 for (i = 0; i < *dns_cnt; i++) {
893 dns = (struct dnssl *)p;
894 ltime = dns->dn_ltime;
895 p += sizeof(*dns);
896
897 dna_cnt = (uint16_t *)p;
898 p += sizeof(*dna_cnt);
899 if (*dna_cnt > 0)
900 for (j = 0; j < *dna_cnt; j++) {
901 dna = (struct dnssl_addr *)p;
902 dname_labeldec(hbuf, sizeof(hbuf),
903 dna->da_dom);
904 printf("\t %s (ltime=%s)\n",
905 hbuf, sec2str(ltime, ssbuf));
906 p += sizeof(*dna);
907 }
908 }
909 }
910
911 return (0);
912 }
913
914 /* Decode domain name label encoding in RFC 1035 Section 3.1 */
915 static size_t
dname_labeldec(char * dst,size_t dlen,const char * src)916 dname_labeldec(char *dst, size_t dlen, const char *src)
917 {
918 size_t len;
919 const char *src_origin;
920 const char *src_last;
921 const char *dst_origin;
922
923 src_origin = src;
924 src_last = strchr(src, '\0');
925 dst_origin = dst;
926 memset(dst, '\0', dlen);
927 while (src && (len = (uint8_t)(*src++) & 0x3f) &&
928 (src + len) <= src_last) {
929 if (dst != dst_origin)
930 *dst++ = '.';
931 mysyslog(LOG_DEBUG, "<%s> labellen = %zd", __func__, len);
932 memcpy(dst, src, len);
933 src += len;
934 dst += len;
935 }
936 *dst = '\0';
937
938 return (src - src_origin);
939 }
940