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