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: stable/10/usr.sbin/rtadvctl/rtadvctl.c 253970 2013-08-05 20:13:02Z hrs $ 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 /* 517 * RA_RECV: ND6_IFF_ACCEPT_RTADV 518 * RA_SEND: ip6.forwarding 519 */ 520 if (ifi_s->ifi_nd_flags & ND6_IFF_ACCEPT_RTADV) 521 ra_ifstatus = RA_IFSTATUS_RA_RECV; 522 else if (getinet6sysctl(IPV6CTL_FORWARDING)) 523 ra_ifstatus = RA_IFSTATUS_RA_SEND; 524 else 525 ra_ifstatus = RA_IFSTATUS_INACTIVE; 526 } 527 528 c = 0; 529 printf(" status=<"); 530 if (ra_ifstatus == RA_IFSTATUS_INACTIVE) 531 printf("%s%s", (c) ? "," : "", "INACTIVE"); 532 else if (ra_ifstatus == RA_IFSTATUS_RA_RECV) 533 printf("%s%s", (c) ? "," : "", "RA_RECV"); 534 else if (ra_ifstatus == RA_IFSTATUS_RA_SEND) 535 printf("%s%s", (c) ? "," : "", "RA_SEND"); 536 printf("> "); 537 538 switch (ifi_s->ifi_state) { 539 case IFI_STATE_CONFIGURED: 540 case IFI_STATE_TRANSITIVE: 541 break; 542 default: 543 printf("\n"); 544 continue; 545 } 546 547 printf("mtu %d\n", ifi_s->ifi_phymtu); 548 549 sprintf(argv_rai, "%s:rai=", ifi->ifi_ifname); 550 action_argv = argv_rai; 551 552 error = action_propget(action_argv, &cp); 553 if (error) 554 continue; 555 556 rai = (struct rainfo *)cp.cp_val; 557 558 printf("\tDefaultLifetime: %s", 559 sec2str(rai->rai_lifetime, ssbuf)); 560 if (ra_ifstatus != RA_IFSTATUS_RA_SEND && 561 rai->rai_lifetime == 0) 562 printf(" (RAs will be sent with zero lifetime)"); 563 564 printf("\n"); 565 566 printf("\tMinAdvInterval/MaxAdvInterval: "); 567 printf("%s/", sec2str(rai->rai_mininterval, ssbuf)); 568 printf("%s\n", sec2str(rai->rai_maxinterval, ssbuf)); 569 if (rai->rai_linkmtu) 570 printf("\tAdvLinkMTU: %d", rai->rai_linkmtu); 571 else 572 printf("\tAdvLinkMTU: <none>"); 573 574 printf(", "); 575 576 printf("Flags: "); 577 if (rai->rai_managedflg || rai->rai_otherflg) { 578 printf("%s", rai->rai_managedflg ? "M" : ""); 579 printf("%s", rai->rai_otherflg ? "O" : ""); 580 } else 581 printf("<none>"); 582 583 printf(", "); 584 585 printf("Preference: %s\n", 586 rtpref_str[(rai->rai_rtpref >> 3) & 0xff]); 587 588 printf("\tReachableTime: %s, ", 589 sec2str(rai->rai_reachabletime, ssbuf)); 590 printf("RetransTimer: %s, " 591 "CurHopLimit: %d\n", 592 sec2str(rai->rai_retranstimer, ssbuf), 593 rai->rai_hoplimit); 594 printf("\tAdvIfPrefixes: %s\n", 595 rai->rai_advifprefix ? "yes" : "no"); 596 597 /* RA timer */ 598 rat = NULL; 599 if (ifi_s->ifi_ra_timer != NULL) { 600 sprintf(argv_ifi_ra_timer, "%s:ifi_ra_timer=", 601 ifi->ifi_ifname); 602 action_argv = argv_ifi_ra_timer; 603 604 error = action_propget(action_argv, &cp); 605 if (error) 606 return (error); 607 608 rat = (struct rtadvd_timer *)cp.cp_val; 609 } 610 printf("\tNext RA send: "); 611 if (rat == NULL) 612 printf("never\n"); 613 else { 614 ts.tv_sec = rat->rat_tm.tv_sec + ts0.tv_sec; 615 printf("%s", ctime(&ts.tv_sec)); 616 } 617 printf("\tLast RA send: "); 618 if (ifi_s->ifi_ra_lastsent.tv_sec == 0) 619 printf("never\n"); 620 else { 621 ts.tv_sec = ifi_s->ifi_ra_lastsent.tv_sec + ts0.tv_sec; 622 printf("%s", ctime(&ts.tv_sec)); 623 } 624 if (rai->rai_clockskew) 625 printf("\tClock skew: %" PRIu16 "sec\n", 626 rai->rai_clockskew); 627 628 if (vflag < LOG_WARNING) 629 continue; 630 631 /* route information */ 632 sprintf(argv_rti, "%s:rti=", ifi->ifi_ifname); 633 action_argv = argv_rti; 634 error = action_propget(action_argv, &cp); 635 if (error) 636 return (error); 637 638 rti = (struct rtinfo *)cp.cp_val; 639 len = cp.cp_val_len / sizeof(*rti); 640 if (len > 0) { 641 printf("\tRoute Info:\n"); 642 643 for (i = 0; i < len; i++) 644 action_show_rtinfo(&rti[i]); 645 } 646 647 /* prefix information */ 648 sprintf(argv_pfx, "%s:pfx=", ifi->ifi_ifname); 649 action_argv = argv_pfx; 650 651 error = action_propget(action_argv, &cp); 652 if (error) 653 continue; 654 655 pfx = (struct prefix *)cp.cp_val; 656 len = cp.cp_val_len / sizeof(*pfx); 657 658 if (len > 0) { 659 printf("\tPrefixes (%d):\n", len); 660 661 for (i = 0; i < len; i++) 662 action_show_prefix(&pfx[i]); 663 } 664 665 /* RDNSS information */ 666 sprintf(argv_rdnss, "%s:rdnss=", ifi->ifi_ifname); 667 action_argv = argv_rdnss; 668 669 error = action_propget(action_argv, &cp); 670 if (error) 671 continue; 672 673 len = *((uint16_t *)cp.cp_val); 674 675 if (len > 0) { 676 printf("\tRDNSS entries:\n"); 677 action_show_rdnss(cp.cp_val); 678 } 679 680 /* DNSSL information */ 681 sprintf(argv_dnssl, "%s:dnssl=", ifi->ifi_ifname); 682 action_argv = argv_dnssl; 683 684 error = action_propget(action_argv, &cp); 685 if (error) 686 continue; 687 688 len = *((uint16_t *)cp.cp_val); 689 690 if (len > 0) { 691 printf("\tDNSSL entries:\n"); 692 action_show_dnssl(cp.cp_val); 693 } 694 695 if (vflag < LOG_NOTICE) 696 continue; 697 698 printf("\n"); 699 700 printf("\tCounters\n" 701 "\t RA burst counts: %" PRIu16 " (interval: %s)\n" 702 "\t RS wait counts: %" PRIu16 "\n", 703 ifi_s->ifi_burstcount, 704 sec2str(ifi_s->ifi_burstinterval, ssbuf), 705 ifi_s->ifi_rs_waitcount); 706 707 printf("\tOutputs\n" 708 "\t RA: %" PRIu64 "\n", ifi_s->ifi_raoutput); 709 710 printf("\tInputs\n" 711 "\t RA: %" PRIu64 " (normal)\n" 712 "\t RA: %" PRIu64 " (inconsistent)\n" 713 "\t RS: %" PRIu64 "\n", 714 ifi_s->ifi_rainput, 715 ifi_s->ifi_rainconsistent, 716 ifi_s->ifi_rsinput); 717 718 printf("\n"); 719 720 #if 0 /* Not implemented yet */ 721 printf("\tReceived RAs:\n"); 722 #endif 723 } 724 725 return (0); 726 } 727 728 static int 729 action_show_rtinfo(struct rtinfo *rti) 730 { 731 char ntopbuf[INET6_ADDRSTRLEN]; 732 char ssbuf[SSBUFLEN]; 733 734 printf("\t %s/%d (pref: %s, ltime: %s)\n", 735 inet_ntop(AF_INET6, &rti->rti_prefix, 736 ntopbuf, sizeof(ntopbuf)), 737 rti->rti_prefixlen, 738 rtpref_str[0xff & (rti->rti_rtpref >> 3)], 739 (rti->rti_ltime == ND6_INFINITE_LIFETIME) ? 740 "infinity" : sec2str(rti->rti_ltime, ssbuf)); 741 742 return (0); 743 } 744 745 static int 746 action_show_prefix(struct prefix *pfx) 747 { 748 char ntopbuf[INET6_ADDRSTRLEN]; 749 char ssbuf[SSBUFLEN]; 750 struct timespec now; 751 752 clock_gettime(CLOCK_MONOTONIC_FAST, &now); 753 printf("\t %s/%d", inet_ntop(AF_INET6, &pfx->pfx_prefix, 754 ntopbuf, sizeof(ntopbuf)), pfx->pfx_prefixlen); 755 756 printf(" ("); 757 switch (pfx->pfx_origin) { 758 case PREFIX_FROM_KERNEL: 759 printf("KERNEL"); 760 break; 761 case PREFIX_FROM_CONFIG: 762 printf("CONFIG"); 763 break; 764 case PREFIX_FROM_DYNAMIC: 765 printf("DYNAMIC"); 766 break; 767 } 768 769 printf(","); 770 771 printf(" vltime=%s", 772 (pfx->pfx_validlifetime == ND6_INFINITE_LIFETIME) ? 773 "infinity" : sec2str(pfx->pfx_validlifetime, ssbuf)); 774 775 if (pfx->pfx_vltimeexpire > 0) 776 printf("(expire: %s)", 777 ((long)pfx->pfx_vltimeexpire > now.tv_sec) ? 778 sec2str(pfx->pfx_vltimeexpire - now.tv_sec, ssbuf) : 779 "0"); 780 781 printf(","); 782 783 printf(" pltime=%s", 784 (pfx->pfx_preflifetime == ND6_INFINITE_LIFETIME) ? 785 "infinity" : sec2str(pfx->pfx_preflifetime, ssbuf)); 786 787 if (pfx->pfx_pltimeexpire > 0) 788 printf("(expire %s)", 789 ((long)pfx->pfx_pltimeexpire > now.tv_sec) ? 790 sec2str(pfx->pfx_pltimeexpire - now.tv_sec, ssbuf) : 791 "0"); 792 793 printf(","); 794 795 printf(" flags="); 796 if (pfx->pfx_onlinkflg || pfx->pfx_autoconfflg) { 797 printf("%s", pfx->pfx_onlinkflg ? "L" : ""); 798 printf("%s", pfx->pfx_autoconfflg ? "A" : ""); 799 } else 800 printf("<none>"); 801 802 if (pfx->pfx_timer) { 803 struct timespec *rest; 804 805 rest = rtadvd_timer_rest(pfx->pfx_timer); 806 if (rest) { /* XXX: what if not? */ 807 printf(" expire=%s", sec2str(rest->tv_sec, ssbuf)); 808 } 809 } 810 811 printf(")\n"); 812 813 return (0); 814 } 815 816 static int 817 action_show_rdnss(void *msg) 818 { 819 struct rdnss *rdn; 820 struct rdnss_addr *rda; 821 uint16_t *rdn_cnt; 822 uint16_t *rda_cnt; 823 int i; 824 int j; 825 char *p; 826 uint32_t ltime; 827 char ntopbuf[INET6_ADDRSTRLEN]; 828 char ssbuf[SSBUFLEN]; 829 830 p = msg; 831 rdn_cnt = (uint16_t *)p; 832 p += sizeof(*rdn_cnt); 833 834 if (*rdn_cnt > 0) { 835 for (i = 0; i < *rdn_cnt; i++) { 836 rdn = (struct rdnss *)p; 837 ltime = rdn->rd_ltime; 838 p += sizeof(*rdn); 839 840 rda_cnt = (uint16_t *)p; 841 p += sizeof(*rda_cnt); 842 if (*rda_cnt > 0) 843 for (j = 0; j < *rda_cnt; j++) { 844 rda = (struct rdnss_addr *)p; 845 printf("\t %s (ltime=%s)\n", 846 inet_ntop(AF_INET6, 847 &rda->ra_dns, 848 ntopbuf, 849 sizeof(ntopbuf)), 850 sec2str(ltime, ssbuf)); 851 p += sizeof(*rda); 852 } 853 } 854 } 855 856 return (0); 857 } 858 859 static int 860 action_show_dnssl(void *msg) 861 { 862 struct dnssl *dns; 863 struct dnssl_addr *dna; 864 uint16_t *dns_cnt; 865 uint16_t *dna_cnt; 866 int i; 867 int j; 868 char *p; 869 uint32_t ltime; 870 char hbuf[NI_MAXHOST]; 871 char ssbuf[SSBUFLEN]; 872 873 p = msg; 874 dns_cnt = (uint16_t *)p; 875 p += sizeof(*dns_cnt); 876 877 if (*dns_cnt > 0) { 878 for (i = 0; i < *dns_cnt; i++) { 879 dns = (struct dnssl *)p; 880 ltime = dns->dn_ltime; 881 p += sizeof(*dns); 882 883 dna_cnt = (uint16_t *)p; 884 p += sizeof(*dna_cnt); 885 if (*dna_cnt > 0) 886 for (j = 0; j < *dna_cnt; j++) { 887 dna = (struct dnssl_addr *)p; 888 dname_labeldec(hbuf, sizeof(hbuf), 889 dna->da_dom); 890 printf("\t %s (ltime=%s)\n", 891 hbuf, sec2str(ltime, ssbuf)); 892 p += sizeof(*dna); 893 } 894 } 895 } 896 897 return (0); 898 } 899 900 /* Decode domain name label encoding in RFC 1035 Section 3.1 */ 901 static size_t 902 dname_labeldec(char *dst, size_t dlen, const char *src) 903 { 904 size_t len; 905 const char *src_origin; 906 const char *src_last; 907 const char *dst_origin; 908 909 src_origin = src; 910 src_last = strchr(src, '\0'); 911 dst_origin = dst; 912 memset(dst, '\0', dlen); 913 while (src && (len = (uint8_t)(*src++) & 0x3f) && 914 (src + len) <= src_last) { 915 if (dst != dst_origin) 916 *dst++ = '.'; 917 mysyslog(LOG_DEBUG, "<%s> labellen = %zd", __func__, len); 918 memcpy(dst, src, len); 919 src += len; 920 dst += len; 921 } 922 *dst = '\0'; 923 924 return (src - src_origin); 925 } 926