1 /* $OpenBSD: ospfctl.c,v 1.49 2009/09/14 11:49:25 claudio 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); 41 int show_summary_msg(struct imsg *); 42 int get_ifms_type(int); 43 int show_interface_msg(struct imsg *); 44 int show_interface_detail_msg(struct imsg *); 45 const char *print_link(int); 46 const char *fmt_timeframe(time_t t); 47 const char *fmt_timeframe_core(time_t t); 48 const char *log_id(u_int32_t ); 49 const char *log_adv_rtr(u_int32_t); 50 void show_database_head(struct in_addr, u_int8_t); 51 int show_database_msg(struct imsg *); 52 char *print_ls_type(u_int8_t); 53 void show_db_hdr_msg_detail(struct lsa_hdr *); 54 char *print_rtr_link_type(u_int8_t); 55 const char *print_ospf_flags(u_int8_t); 56 int show_db_msg_detail(struct imsg *imsg); 57 int show_nbr_msg(struct imsg *); 58 const char *print_ospf_options(u_int8_t); 59 int show_nbr_detail_msg(struct imsg *); 60 int show_rib_msg(struct imsg *); 61 void show_rib_head(struct in_addr, u_int8_t, u_int8_t); 62 const char *print_ospf_rtr_flags(u_int8_t); 63 int show_rib_detail_msg(struct imsg *); 64 void show_fib_head(void); 65 int show_fib_msg(struct imsg *); 66 void show_interface_head(void); 67 const char * get_media_descr(int); 68 const char * get_linkstate(int, int); 69 void print_baudrate(u_int64_t); 70 int show_fib_interface_msg(struct imsg *); 71 72 struct imsgbuf *ibuf; 73 74 __dead void 75 usage(void) 76 { 77 extern char *__progname; 78 79 fprintf(stderr, "usage: %s [-s socket] command [argument ...]\n", 80 __progname); 81 exit(1); 82 } 83 84 int 85 main(int argc, char *argv[]) 86 { 87 struct sockaddr_un sun; 88 struct parse_result *res; 89 struct imsg imsg; 90 unsigned int ifidx = 0; 91 int ctl_sock; 92 int done = 0; 93 int n; 94 int ch; 95 char *sockname; 96 97 sockname = OSPFD_SOCKET; 98 while ((ch = getopt(argc, argv, "s:")) != -1) { 99 switch (ch) { 100 case 's': 101 sockname = optarg; 102 break; 103 default: 104 usage(); 105 /* NOTREACHED */ 106 } 107 } 108 argc -= optind; 109 argv += optind; 110 111 /* parse options */ 112 if ((res = parse(argc, argv)) == NULL) 113 exit(1); 114 115 /* connect to ospfd control socket */ 116 if ((ctl_sock = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) 117 err(1, "socket"); 118 119 bzero(&sun, sizeof(sun)); 120 sun.sun_family = AF_UNIX; 121 122 strlcpy(sun.sun_path, sockname, sizeof(sun.sun_path)); 123 if (connect(ctl_sock, (struct sockaddr *)&sun, sizeof(sun)) == -1) 124 err(1, "connect: %s", sockname); 125 126 if ((ibuf = malloc(sizeof(struct imsgbuf))) == NULL) 127 err(1, NULL); 128 imsg_init(ibuf, ctl_sock); 129 done = 0; 130 131 /* process user request */ 132 switch (res->action) { 133 case NONE: 134 usage(); 135 /* not reached */ 136 case SHOW: 137 case SHOW_SUM: 138 imsg_compose(ibuf, IMSG_CTL_SHOW_SUM, 0, 0, -1, NULL, 0); 139 break; 140 case SHOW_IFACE: 141 printf("%-11s %-18s %-6s %-10s %-10s %-8s %3s %3s\n", 142 "Interface", "Address", "State", "HelloTimer", "Linkstate", 143 "Uptime", "nc", "ac"); 144 /*FALLTHROUGH*/ 145 case SHOW_IFACE_DTAIL: 146 if (*res->ifname) { 147 ifidx = if_nametoindex(res->ifname); 148 if (ifidx == 0) 149 errx(1, "no such interface %s", res->ifname); 150 } 151 imsg_compose(ibuf, IMSG_CTL_SHOW_INTERFACE, 0, 0, -1, 152 &ifidx, sizeof(ifidx)); 153 break; 154 case SHOW_NBR: 155 printf("%-15s %-3s %-12s %-8s %-15s %-9s %s\n", "ID", "Pri", 156 "State", "DeadTime", "Address", "Iface","Uptime"); 157 /*FALLTHROUGH*/ 158 case SHOW_NBR_DTAIL: 159 imsg_compose(ibuf, IMSG_CTL_SHOW_NBR, 0, 0, -1, NULL, 0); 160 break; 161 case SHOW_DB: 162 imsg_compose(ibuf, IMSG_CTL_SHOW_DATABASE, 0, 0, -1, NULL, 0); 163 break; 164 case SHOW_DBBYAREA: 165 imsg_compose(ibuf, IMSG_CTL_SHOW_DATABASE, 0, 0, -1, 166 &res->addr, sizeof(res->addr)); 167 break; 168 case SHOW_DBEXT: 169 imsg_compose(ibuf, IMSG_CTL_SHOW_DB_EXT, 0, 0, -1, NULL, 0); 170 break; 171 case SHOW_DBNET: 172 imsg_compose(ibuf, IMSG_CTL_SHOW_DB_NET, 0, 0, -1, NULL, 0); 173 break; 174 case SHOW_DBRTR: 175 imsg_compose(ibuf, IMSG_CTL_SHOW_DB_RTR, 0, 0, -1, NULL, 0); 176 break; 177 case SHOW_DBSELF: 178 imsg_compose(ibuf, IMSG_CTL_SHOW_DB_SELF, 0, 0, -1, NULL, 0); 179 break; 180 case SHOW_DBSUM: 181 imsg_compose(ibuf, IMSG_CTL_SHOW_DB_SUM, 0, 0, -1, NULL, 0); 182 break; 183 case SHOW_DBASBR: 184 imsg_compose(ibuf, IMSG_CTL_SHOW_DB_ASBR, 0, 0, -1, NULL, 0); 185 break; 186 case SHOW_RIB: 187 printf("%-20s %-17s %-12s %-9s %-7s %-8s\n", "Destination", 188 "Nexthop", "Path Type", "Type", "Cost", "Uptime"); 189 /*FALLTHROUGH*/ 190 case SHOW_RIB_DTAIL: 191 imsg_compose(ibuf, IMSG_CTL_SHOW_RIB, 0, 0, -1, NULL, 0); 192 break; 193 case SHOW_FIB: 194 if (!res->addr.s_addr) 195 imsg_compose(ibuf, IMSG_CTL_KROUTE, 0, 0, -1, 196 &res->flags, sizeof(res->flags)); 197 else 198 imsg_compose(ibuf, IMSG_CTL_KROUTE_ADDR, 0, 0, -1, 199 &res->addr, sizeof(res->addr)); 200 show_fib_head(); 201 break; 202 case SHOW_FIB_IFACE: 203 if (*res->ifname) 204 imsg_compose(ibuf, IMSG_CTL_IFINFO, 0, 0, -1, 205 res->ifname, sizeof(res->ifname)); 206 else 207 imsg_compose(ibuf, IMSG_CTL_IFINFO, 0, 0, -1, NULL, 0); 208 show_interface_head(); 209 break; 210 case FIB: 211 errx(1, "fib couple|decouple"); 212 break; 213 case FIB_COUPLE: 214 imsg_compose(ibuf, IMSG_CTL_FIB_COUPLE, 0, 0, -1, NULL, 0); 215 printf("couple request sent.\n"); 216 done = 1; 217 break; 218 case FIB_DECOUPLE: 219 imsg_compose(ibuf, IMSG_CTL_FIB_DECOUPLE, 0, 0, -1, NULL, 0); 220 printf("decouple request sent.\n"); 221 done = 1; 222 break; 223 case RELOAD: 224 imsg_compose(ibuf, IMSG_CTL_RELOAD, 0, 0, -1, NULL, 0); 225 printf("reload request sent.\n"); 226 done = 1; 227 break; 228 } 229 230 while (ibuf->w.queued) 231 if (msgbuf_write(&ibuf->w) < 0) 232 err(1, "write error"); 233 234 while (!done) { 235 if ((n = imsg_read(ibuf)) == -1) 236 errx(1, "imsg_read error"); 237 if (n == 0) 238 errx(1, "pipe closed"); 239 240 while (!done) { 241 if ((n = imsg_get(ibuf, &imsg)) == -1) 242 errx(1, "imsg_get error"); 243 if (n == 0) 244 break; 245 switch (res->action) { 246 case SHOW: 247 case SHOW_SUM: 248 done = show_summary_msg(&imsg); 249 break; 250 case SHOW_IFACE: 251 done = show_interface_msg(&imsg); 252 break; 253 case SHOW_IFACE_DTAIL: 254 done = show_interface_detail_msg(&imsg); 255 break; 256 case SHOW_NBR: 257 done = show_nbr_msg(&imsg); 258 break; 259 case SHOW_NBR_DTAIL: 260 done = show_nbr_detail_msg(&imsg); 261 break; 262 case SHOW_DB: 263 case SHOW_DBBYAREA: 264 case SHOW_DBSELF: 265 done = show_database_msg(&imsg); 266 break; 267 case SHOW_DBEXT: 268 case SHOW_DBNET: 269 case SHOW_DBRTR: 270 case SHOW_DBSUM: 271 case SHOW_DBASBR: 272 done = show_db_msg_detail(&imsg); 273 break; 274 case SHOW_RIB: 275 done = show_rib_msg(&imsg); 276 break; 277 case SHOW_RIB_DTAIL: 278 done = show_rib_detail_msg(&imsg); 279 break; 280 case SHOW_FIB: 281 done = show_fib_msg(&imsg); 282 break; 283 case SHOW_FIB_IFACE: 284 done = show_fib_interface_msg(&imsg); 285 break; 286 case NONE: 287 case FIB: 288 case FIB_COUPLE: 289 case FIB_DECOUPLE: 290 case RELOAD: 291 break; 292 } 293 imsg_free(&imsg); 294 } 295 } 296 close(ctl_sock); 297 free(ibuf); 298 299 return (0); 300 } 301 302 int 303 show_summary_msg(struct imsg *imsg) 304 { 305 struct ctl_sum *sum; 306 struct ctl_sum_area *sumarea; 307 308 switch (imsg->hdr.type) { 309 case IMSG_CTL_SHOW_SUM: 310 sum = imsg->data; 311 printf("Router ID: %s\n", inet_ntoa(sum->rtr_id)); 312 printf("Uptime: %s\n", fmt_timeframe_core(sum->uptime)); 313 printf("RFC1583 compatibility flag is "); 314 if (sum->rfc1583compat) 315 printf("enabled\n"); 316 else 317 printf("disabled\n"); 318 319 printf("SPF delay is %d sec(s), hold time between two SPFs " 320 "is %d sec(s)\n", sum->spf_delay, sum->spf_hold_time); 321 printf("Number of external LSA(s) %d\n", sum->num_ext_lsa); 322 printf("Number of areas attached to this router: %d\n", 323 sum->num_area); 324 break; 325 case IMSG_CTL_SHOW_SUM_AREA: 326 sumarea = imsg->data; 327 printf("\nArea ID: %s\n", inet_ntoa(sumarea->area)); 328 printf(" Number of interfaces in this area: %d\n", 329 sumarea->num_iface); 330 printf(" Number of fully adjacent neighbors in this " 331 "area: %d\n", sumarea->num_adj_nbr); 332 printf(" SPF algorithm executed %d time(s)\n", 333 sumarea->num_spf_calc); 334 printf(" Number LSA(s) %d\n", sumarea->num_lsa); 335 break; 336 case IMSG_CTL_END: 337 printf("\n"); 338 return (1); 339 default: 340 break; 341 } 342 343 return (0); 344 } 345 346 int 347 get_ifms_type(int mediatype) 348 { 349 switch (mediatype) { 350 case IFT_ETHER: 351 return (IFM_ETHER); 352 case IFT_FDDI: 353 return (IFM_FDDI); 354 case IFT_CARP: 355 return (IFM_CARP); 356 case IFT_PPP: 357 return (IFM_TDM); 358 default: 359 return (0); 360 } 361 } 362 363 int 364 show_interface_msg(struct imsg *imsg) 365 { 366 struct ctl_iface *iface; 367 char *netid; 368 369 switch (imsg->hdr.type) { 370 case IMSG_CTL_SHOW_INTERFACE: 371 iface = imsg->data; 372 373 if (asprintf(&netid, "%s/%d", inet_ntoa(iface->addr), 374 mask2prefixlen(iface->mask.s_addr)) == -1) 375 err(1, NULL); 376 printf("%-11s %-18s %-6s %-10s %-10s %s %3d %3d\n", 377 iface->name, netid, if_state_name(iface->state), 378 iface->hello_timer < 0 ? "-" : 379 fmt_timeframe_core(iface->hello_timer), 380 get_linkstate(iface->mediatype, iface->linkstate), 381 fmt_timeframe_core(iface->uptime), 382 iface->nbr_cnt, iface->adj_cnt); 383 free(netid); 384 break; 385 case IMSG_CTL_END: 386 printf("\n"); 387 return (1); 388 default: 389 break; 390 } 391 392 return (0); 393 } 394 395 int 396 show_interface_detail_msg(struct imsg *imsg) 397 { 398 struct ctl_iface *iface; 399 400 switch (imsg->hdr.type) { 401 case IMSG_CTL_SHOW_INTERFACE: 402 iface = imsg->data; 403 printf("\n"); 404 printf("Interface %s, line protocol is %s\n", 405 iface->name, print_link(iface->flags)); 406 printf(" Internet address %s/%d, ", 407 inet_ntoa(iface->addr), 408 mask2prefixlen(iface->mask.s_addr)); 409 printf("Area %s\n", inet_ntoa(iface->area)); 410 printf(" Linkstate %s\n", 411 get_linkstate(iface->mediatype, iface->linkstate)); 412 printf(" Router ID %s, network type %s, cost: %d\n", 413 inet_ntoa(iface->rtr_id), 414 if_type_name(iface->type), iface->metric); 415 printf(" Transmit delay is %d sec(s), state %s, priority %d\n", 416 iface->transmit_delay, if_state_name(iface->state), 417 iface->priority); 418 printf(" Designated Router (ID) %s, ", 419 inet_ntoa(iface->dr_id)); 420 printf("interface address %s\n", inet_ntoa(iface->dr_addr)); 421 printf(" Backup Designated Router (ID) %s, ", 422 inet_ntoa(iface->bdr_id)); 423 printf("interface address %s\n", inet_ntoa(iface->bdr_addr)); 424 printf(" Timer intervals configured, " 425 "hello %d, dead %d, wait %d, retransmit %d\n", 426 iface->hello_interval, iface->dead_interval, 427 iface->dead_interval, iface->rxmt_interval); 428 if (iface->passive) 429 printf(" Passive interface (No Hellos)\n"); 430 else if (iface->hello_timer < 0) 431 printf(" Hello timer not running\n"); 432 else 433 printf(" Hello timer due in %s\n", 434 fmt_timeframe_core(iface->hello_timer)); 435 printf(" Uptime %s\n", fmt_timeframe_core(iface->uptime)); 436 printf(" Neighbor count is %d, adjacent neighbor count is " 437 "%d\n", iface->nbr_cnt, iface->adj_cnt); 438 if (iface->auth_type > 0) { 439 switch (iface->auth_type) { 440 case AUTH_SIMPLE: 441 printf(" Simple password authentication " 442 "enabled\n"); 443 break; 444 case AUTH_CRYPT: 445 printf(" Message digest authentication " 446 "enabled\n"); 447 printf(" Primary key id is %d\n", 448 iface->auth_keyid); 449 break; 450 default: 451 break; 452 } 453 } 454 break; 455 case IMSG_CTL_END: 456 printf("\n"); 457 return (1); 458 default: 459 break; 460 } 461 462 return (0); 463 } 464 465 const char * 466 print_link(int state) 467 { 468 if (state & IFF_UP) 469 return ("UP"); 470 else 471 return ("DOWN"); 472 } 473 474 #define TF_BUFS 8 475 #define TF_LEN 9 476 477 const char * 478 fmt_timeframe(time_t t) 479 { 480 if (t == 0) 481 return ("Never"); 482 else 483 return (fmt_timeframe_core(time(NULL) - t)); 484 } 485 486 const char * 487 fmt_timeframe_core(time_t t) 488 { 489 char *buf; 490 static char tfbuf[TF_BUFS][TF_LEN]; /* ring buffer */ 491 static int idx = 0; 492 unsigned int sec, min, hrs, day, week; 493 494 if (t == 0) 495 return ("00:00:00"); 496 497 buf = tfbuf[idx++]; 498 if (idx == TF_BUFS) 499 idx = 0; 500 501 week = t; 502 503 sec = week % 60; 504 week /= 60; 505 min = week % 60; 506 week /= 60; 507 hrs = week % 24; 508 week /= 24; 509 day = week % 7; 510 week /= 7; 511 512 if (week > 0) 513 snprintf(buf, TF_LEN, "%02uw%01ud%02uh", week, day, hrs); 514 else if (day > 0) 515 snprintf(buf, TF_LEN, "%01ud%02uh%02um", day, hrs, min); 516 else 517 snprintf(buf, TF_LEN, "%02u:%02u:%02u", hrs, min, sec); 518 519 return (buf); 520 } 521 522 const char * 523 log_id(u_int32_t id) 524 { 525 static char buf[48]; 526 struct in_addr addr; 527 528 addr.s_addr = id; 529 530 if (inet_ntop(AF_INET, &addr, buf, sizeof(buf)) == NULL) 531 return ("?"); 532 else 533 return (buf); 534 } 535 536 const char * 537 log_adv_rtr(u_int32_t adv_rtr) 538 { 539 static char buf[48]; 540 struct in_addr addr; 541 542 addr.s_addr = adv_rtr; 543 544 if (inet_ntop(AF_INET, &addr, buf, sizeof(buf)) == NULL) 545 return ("?"); 546 else 547 return (buf); 548 } 549 550 /* prototype defined in ospfd.h and shared with the kroute.c version */ 551 u_int8_t 552 mask2prefixlen(in_addr_t ina) 553 { 554 if (ina == 0) 555 return (0); 556 else 557 return (33 - ffs(ntohl(ina))); 558 } 559 560 void 561 show_database_head(struct in_addr aid, u_int8_t type) 562 { 563 char *header, *format; 564 565 switch (type) { 566 case LSA_TYPE_ROUTER: 567 format = "Router Link States"; 568 break; 569 case LSA_TYPE_NETWORK: 570 format = "Net Link States"; 571 break; 572 case LSA_TYPE_SUM_NETWORK: 573 format = "Summary Net Link States"; 574 break; 575 case LSA_TYPE_SUM_ROUTER: 576 format = "Summary Router Link States"; 577 break; 578 case LSA_TYPE_EXTERNAL: 579 format = NULL; 580 if ((header = strdup("Type-5 AS External Link States")) == NULL) 581 err(1, NULL); 582 break; 583 default: 584 errx(1, "unknown LSA type"); 585 } 586 if (type != LSA_TYPE_EXTERNAL) 587 if (asprintf(&header, "%s (Area %s)", format, 588 inet_ntoa(aid)) == -1) 589 err(1, NULL); 590 591 printf("\n%-15s %s\n\n", "", header); 592 free(header); 593 } 594 595 int 596 show_database_msg(struct imsg *imsg) 597 { 598 static struct in_addr area_id; 599 static u_int8_t lasttype; 600 struct area *area; 601 struct lsa_hdr *lsa; 602 603 switch (imsg->hdr.type) { 604 case IMSG_CTL_SHOW_DATABASE: 605 case IMSG_CTL_SHOW_DB_SELF: 606 lsa = imsg->data; 607 if (lsa->type != lasttype) { 608 show_database_head(area_id, lsa->type); 609 printf("%-15s %-15s %-4s %-10s %-8s\n", "Link ID", 610 "Adv Router", "Age", "Seq#", "Checksum"); 611 } 612 printf("%-15s %-15s %-4d 0x%08x 0x%04x\n", 613 log_id(lsa->ls_id), log_adv_rtr(lsa->adv_rtr), 614 ntohs(lsa->age), ntohl(lsa->seq_num), 615 ntohs(lsa->ls_chksum)); 616 lasttype = lsa->type; 617 break; 618 case IMSG_CTL_AREA: 619 area = imsg->data; 620 area_id = area->id; 621 lasttype = 0; 622 break; 623 case IMSG_CTL_END: 624 printf("\n"); 625 return (1); 626 default: 627 break; 628 } 629 630 return (0); 631 } 632 633 char * 634 print_ls_type(u_int8_t type) 635 { 636 switch (type) { 637 case LSA_TYPE_ROUTER: 638 return ("Router"); 639 case LSA_TYPE_NETWORK: 640 return ("Network"); 641 case LSA_TYPE_SUM_NETWORK: 642 return ("Summary (Network)"); 643 case LSA_TYPE_SUM_ROUTER: 644 return ("Summary (Router)"); 645 case LSA_TYPE_EXTERNAL: 646 return ("AS External"); 647 default: 648 return ("Unknown"); 649 } 650 } 651 652 void 653 show_db_hdr_msg_detail(struct lsa_hdr *lsa) 654 { 655 printf("LS age: %d\n", ntohs(lsa->age)); 656 printf("Options: %s\n", print_ospf_options(lsa->opts)); 657 printf("LS Type: %s\n", print_ls_type(lsa->type)); 658 659 switch (lsa->type) { 660 case LSA_TYPE_ROUTER: 661 printf("Link State ID: %s\n", log_id(lsa->ls_id)); 662 break; 663 case LSA_TYPE_NETWORK: 664 printf("Link State ID: %s (address of Designated Router)\n", 665 log_id(lsa->ls_id)); 666 break; 667 case LSA_TYPE_SUM_NETWORK: 668 printf("Link State ID: %s (Network ID)\n", log_id(lsa->ls_id)); 669 break; 670 case LSA_TYPE_SUM_ROUTER: 671 printf("Link State ID: %s (ASBR Router ID)\n", 672 log_id(lsa->ls_id)); 673 break; 674 case LSA_TYPE_EXTERNAL: 675 printf("Link State ID: %s (External Network Number)\n", 676 log_id(lsa->ls_id)); 677 break; 678 } 679 680 printf("Advertising Router: %s\n", log_adv_rtr(lsa->adv_rtr)); 681 printf("LS Seq Number: 0x%08x\n", ntohl(lsa->seq_num)); 682 printf("Checksum: 0x%04x\n", ntohs(lsa->ls_chksum)); 683 printf("Length: %d\n", ntohs(lsa->len)); 684 } 685 686 char * 687 print_rtr_link_type(u_int8_t type) 688 { 689 switch (type) { 690 case LINK_TYPE_POINTTOPOINT: 691 return ("Point-to-Point"); 692 case LINK_TYPE_TRANSIT_NET: 693 return ("Transit Network"); 694 case LINK_TYPE_STUB_NET: 695 return ("Stub Network"); 696 case LINK_TYPE_VIRTUAL: 697 return ("Virtual Link"); 698 default: 699 return ("Unknown"); 700 } 701 } 702 703 const char * 704 print_ospf_flags(u_int8_t opts) 705 { 706 static char optbuf[32]; 707 708 snprintf(optbuf, sizeof(optbuf), "*|*|*|*|*|%s|%s|%s", 709 opts & OSPF_RTR_V ? "V" : "-", 710 opts & OSPF_RTR_E ? "E" : "-", 711 opts & OSPF_RTR_B ? "B" : "-"); 712 return (optbuf); 713 } 714 715 int 716 show_db_msg_detail(struct imsg *imsg) 717 { 718 static struct in_addr area_id; 719 static u_int8_t lasttype; 720 struct in_addr addr, data; 721 struct area *area; 722 struct lsa *lsa; 723 struct lsa_rtr_link *rtr_link; 724 struct lsa_asext *asext; 725 u_int16_t i, nlinks, off; 726 727 /* XXX sanity checks! */ 728 729 switch (imsg->hdr.type) { 730 case IMSG_CTL_SHOW_DB_EXT: 731 lsa = imsg->data; 732 if (lsa->hdr.type != lasttype) 733 show_database_head(area_id, lsa->hdr.type); 734 show_db_hdr_msg_detail(&lsa->hdr); 735 addr.s_addr = lsa->data.asext.mask; 736 printf("Network Mask: %s\n", inet_ntoa(addr)); 737 738 asext = (struct lsa_asext *)((char *)lsa + sizeof(lsa->hdr)); 739 740 printf(" Metric type: "); 741 if (ntohl(lsa->data.asext.metric) & LSA_ASEXT_E_FLAG) 742 printf("2\n"); 743 else 744 printf("1\n"); 745 printf(" Metric: %d\n", ntohl(asext->metric) 746 & LSA_METRIC_MASK); 747 addr.s_addr = asext->fw_addr; 748 printf(" Forwarding Address: %s\n", inet_ntoa(addr)); 749 printf(" External Route Tag: %d\n\n", ntohl(asext->ext_tag)); 750 751 lasttype = lsa->hdr.type; 752 break; 753 case IMSG_CTL_SHOW_DB_NET: 754 lsa = imsg->data; 755 if (lsa->hdr.type != lasttype) 756 show_database_head(area_id, lsa->hdr.type); 757 show_db_hdr_msg_detail(&lsa->hdr); 758 addr.s_addr = lsa->data.net.mask; 759 printf("Network Mask: %s\n", inet_ntoa(addr)); 760 761 nlinks = (ntohs(lsa->hdr.len) - sizeof(struct lsa_hdr) 762 - sizeof(u_int32_t)) / sizeof(struct lsa_net_link); 763 off = sizeof(lsa->hdr) + sizeof(u_int32_t); 764 765 for (i = 0; i < nlinks; i++) { 766 addr.s_addr = lsa->data.net.att_rtr[i]; 767 printf(" Attached Router: %s\n", inet_ntoa(addr)); 768 } 769 770 printf("\n"); 771 lasttype = lsa->hdr.type; 772 break; 773 case IMSG_CTL_SHOW_DB_RTR: 774 lsa = imsg->data; 775 if (lsa->hdr.type != lasttype) 776 show_database_head(area_id, lsa->hdr.type); 777 show_db_hdr_msg_detail(&lsa->hdr); 778 printf("Flags: %s\n", print_ospf_flags(lsa->data.rtr.flags)); 779 nlinks = ntohs(lsa->data.rtr.nlinks); 780 printf("Number of Links: %d\n\n", nlinks); 781 782 off = sizeof(lsa->hdr) + sizeof(struct lsa_rtr); 783 784 for (i = 0; i < nlinks; i++) { 785 rtr_link = (struct lsa_rtr_link *)((char *)lsa + off); 786 787 printf(" Link connected to: %s\n", 788 print_rtr_link_type(rtr_link->type)); 789 790 addr.s_addr = rtr_link->id; 791 data.s_addr = rtr_link->data; 792 793 switch (rtr_link->type) { 794 case LINK_TYPE_POINTTOPOINT: 795 case LINK_TYPE_VIRTUAL: 796 printf(" Link ID (Neighbors Router ID):" 797 " %s\n", inet_ntoa(addr)); 798 printf(" Link Data (Router Interface " 799 "address): %s\n", inet_ntoa(data)); 800 break; 801 case LINK_TYPE_TRANSIT_NET: 802 printf(" Link ID (Designated Router " 803 "address): %s\n", inet_ntoa(addr)); 804 printf(" Link Data (Router Interface " 805 "address): %s\n", inet_ntoa(data)); 806 break; 807 case LINK_TYPE_STUB_NET: 808 printf(" Link ID (Network ID): %s\n", 809 inet_ntoa(addr)); 810 printf(" Link Data (Network Mask): %s\n", 811 inet_ntoa(data)); 812 break; 813 default: 814 printf(" Link ID (Unknown): %s\n", 815 inet_ntoa(addr)); 816 printf(" Link Data (Unknown): %s\n", 817 inet_ntoa(data)); 818 break; 819 } 820 821 printf(" Metric: %d\n\n", ntohs(rtr_link->metric)); 822 823 off += sizeof(struct lsa_rtr_link) + 824 rtr_link->num_tos * sizeof(u_int32_t); 825 } 826 827 lasttype = lsa->hdr.type; 828 break; 829 case IMSG_CTL_SHOW_DB_SUM: 830 case IMSG_CTL_SHOW_DB_ASBR: 831 lsa = imsg->data; 832 if (lsa->hdr.type != lasttype) 833 show_database_head(area_id, lsa->hdr.type); 834 show_db_hdr_msg_detail(&lsa->hdr); 835 addr.s_addr = lsa->data.sum.mask; 836 printf("Network Mask: %s\n", inet_ntoa(addr)); 837 printf("Metric: %d\n\n", ntohl(lsa->data.sum.metric) & 838 LSA_METRIC_MASK); 839 lasttype = lsa->hdr.type; 840 break; 841 case IMSG_CTL_AREA: 842 area = imsg->data; 843 area_id = area->id; 844 lasttype = 0; 845 break; 846 case IMSG_CTL_END: 847 return (1); 848 default: 849 break; 850 } 851 852 return (0); 853 } 854 855 int 856 show_nbr_msg(struct imsg *imsg) 857 { 858 struct ctl_nbr *nbr; 859 char *state; 860 861 switch (imsg->hdr.type) { 862 case IMSG_CTL_SHOW_NBR: 863 nbr = imsg->data; 864 if (asprintf(&state, "%s/%s", nbr_state_name(nbr->nbr_state), 865 if_state_name(nbr->iface_state)) == -1) 866 err(1, NULL); 867 printf("%-15s %-3d %-12s %-9s", inet_ntoa(nbr->id), 868 nbr->priority, state, fmt_timeframe_core(nbr->dead_timer)); 869 printf("%-15s %-9s %s\n", inet_ntoa(nbr->addr), nbr->name, 870 nbr->uptime == 0 ? "-" : fmt_timeframe_core(nbr->uptime)); 871 free(state); 872 break; 873 case IMSG_CTL_END: 874 printf("\n"); 875 return (1); 876 default: 877 break; 878 } 879 880 return (0); 881 } 882 883 const char * 884 print_ospf_options(u_int8_t opts) 885 { 886 static char optbuf[32]; 887 888 snprintf(optbuf, sizeof(optbuf), "*|*|%s|%s|%s|%s|%s|*", 889 opts & OSPF_OPTION_DC ? "DC" : "-", 890 opts & OSPF_OPTION_EA ? "EA" : "-", 891 opts & OSPF_OPTION_NP ? "N/P" : "-", 892 opts & OSPF_OPTION_MC ? "MC" : "-", 893 opts & OSPF_OPTION_E ? "E" : "-"); 894 return (optbuf); 895 } 896 897 int 898 show_nbr_detail_msg(struct imsg *imsg) 899 { 900 struct ctl_nbr *nbr; 901 902 switch (imsg->hdr.type) { 903 case IMSG_CTL_SHOW_NBR: 904 nbr = imsg->data; 905 printf("\nNeighbor %s, ", inet_ntoa(nbr->id)); 906 printf("interface address %s\n", inet_ntoa(nbr->addr)); 907 printf(" Area %s, interface %s\n", inet_ntoa(nbr->area), 908 nbr->name); 909 printf(" Neighbor priority is %d, " 910 "State is %s, %d state changes\n", 911 nbr->priority, nbr_state_name(nbr->nbr_state), 912 nbr->state_chng_cnt); 913 printf(" DR is %s, ", inet_ntoa(nbr->dr)); 914 printf("BDR is %s\n", inet_ntoa(nbr->bdr)); 915 printf(" Options %s\n", print_ospf_options(nbr->options)); 916 printf(" Dead timer due in %s\n", 917 fmt_timeframe_core(nbr->dead_timer)); 918 printf(" Uptime %s\n", fmt_timeframe_core(nbr->uptime)); 919 printf(" Database Summary List %d\n", nbr->db_sum_lst_cnt); 920 printf(" Link State Request List %d\n", nbr->ls_req_lst_cnt); 921 printf(" Link State Retransmission List %d\n", 922 nbr->ls_retrans_lst_cnt); 923 break; 924 case IMSG_CTL_END: 925 printf("\n"); 926 return (1); 927 default: 928 break; 929 } 930 931 return (0); 932 } 933 934 int 935 show_rib_msg(struct imsg *imsg) 936 { 937 struct ctl_rt *rt; 938 char *dstnet; 939 940 switch (imsg->hdr.type) { 941 case IMSG_CTL_SHOW_RIB: 942 rt = imsg->data; 943 switch (rt->d_type) { 944 case DT_NET: 945 if (asprintf(&dstnet, "%s/%d", inet_ntoa(rt->prefix), 946 rt->prefixlen) == -1) 947 err(1, NULL); 948 break; 949 case DT_RTR: 950 if (asprintf(&dstnet, "%s", 951 inet_ntoa(rt->prefix)) == -1) 952 err(1, NULL); 953 break; 954 default: 955 errx(1, "Invalid route type"); 956 } 957 958 printf("%-20s %-17s %-12s %-9s %-7d %s\n", dstnet, 959 inet_ntoa(rt->nexthop), path_type_name(rt->p_type), 960 dst_type_name(rt->d_type), rt->cost, 961 rt->uptime == 0 ? "-" : fmt_timeframe_core(rt->uptime)); 962 free(dstnet); 963 break; 964 case IMSG_CTL_END: 965 printf("\n"); 966 return (1); 967 default: 968 break; 969 } 970 971 return (0); 972 } 973 974 void 975 show_rib_head(struct in_addr aid, u_int8_t d_type, u_int8_t p_type) 976 { 977 char *header, *format, *format2; 978 979 switch (p_type) { 980 case PT_INTRA_AREA: 981 case PT_INTER_AREA: 982 switch (d_type) { 983 case DT_NET: 984 format = "Network Routing Table"; 985 format2 = ""; 986 break; 987 case DT_RTR: 988 format = "Router Routing Table"; 989 format2 = "Type"; 990 break; 991 default: 992 errx(1, "unknown route type"); 993 } 994 break; 995 case PT_TYPE1_EXT: 996 case PT_TYPE2_EXT: 997 format = NULL; 998 format2 = "Cost 2"; 999 if ((header = strdup("External Routing Table")) == NULL) 1000 err(1, NULL); 1001 break; 1002 default: 1003 errx(1, "unknown route type"); 1004 } 1005 1006 if (p_type != PT_TYPE1_EXT && p_type != PT_TYPE2_EXT) 1007 if (asprintf(&header, "%s (Area %s)", format, 1008 inet_ntoa(aid)) == -1) 1009 err(1, NULL); 1010 1011 printf("\n%-18s %s\n", "", header); 1012 free(header); 1013 1014 printf("\n%-18s %-15s %-15s %-12s %-7s %-7s\n", "Destination", 1015 "Nexthop", "Adv Router", "Path type", "Cost", format2); 1016 } 1017 1018 const char * 1019 print_ospf_rtr_flags(u_int8_t opts) 1020 { 1021 static char optbuf[32]; 1022 1023 snprintf(optbuf, sizeof(optbuf), "%s%s%s", 1024 opts & OSPF_RTR_E ? "AS" : "", 1025 opts & OSPF_RTR_E && opts & OSPF_RTR_B ? "+" : "", 1026 opts & OSPF_RTR_B ? "ABR" : ""); 1027 return (optbuf); 1028 } 1029 1030 int 1031 show_rib_detail_msg(struct imsg *imsg) 1032 { 1033 static struct in_addr area_id; 1034 struct ctl_rt *rt; 1035 struct area *area; 1036 char *dstnet; 1037 static u_int8_t lasttype; 1038 1039 switch (imsg->hdr.type) { 1040 case IMSG_CTL_SHOW_RIB: 1041 rt = imsg->data; 1042 1043 switch (rt->p_type) { 1044 case PT_INTRA_AREA: 1045 case PT_INTER_AREA: 1046 switch (rt->d_type) { 1047 case DT_NET: 1048 if (lasttype != RIB_NET) 1049 show_rib_head(rt->area, rt->d_type, 1050 rt->p_type); 1051 if (asprintf(&dstnet, "%s/%d", 1052 inet_ntoa(rt->prefix), rt->prefixlen) == -1) 1053 err(1, NULL); 1054 lasttype = RIB_NET; 1055 break; 1056 case DT_RTR: 1057 if (lasttype != RIB_RTR) 1058 show_rib_head(rt->area, rt->d_type, 1059 rt->p_type); 1060 if (asprintf(&dstnet, "%s", 1061 inet_ntoa(rt->prefix)) == -1) 1062 err(1, NULL); 1063 lasttype = RIB_RTR; 1064 break; 1065 default: 1066 errx(1, "unknown route type"); 1067 } 1068 printf("%-18s %-15s ", dstnet, inet_ntoa(rt->nexthop)); 1069 printf("%-15s %-12s %-7d", inet_ntoa(rt->adv_rtr), 1070 path_type_name(rt->p_type), rt->cost); 1071 free(dstnet); 1072 1073 if (rt->d_type == DT_RTR) 1074 printf(" %-7s", 1075 print_ospf_rtr_flags(rt->flags)); 1076 1077 printf("\n"); 1078 break; 1079 case PT_TYPE1_EXT: 1080 case PT_TYPE2_EXT: 1081 if (lasttype != RIB_EXT) 1082 show_rib_head(rt->area, rt->d_type, rt->p_type); 1083 1084 if (asprintf(&dstnet, "%s/%d", 1085 inet_ntoa(rt->prefix), rt->prefixlen) == -1) 1086 err(1, NULL); 1087 1088 printf("%-18s %-15s ", dstnet, inet_ntoa(rt->nexthop)); 1089 printf("%-15s %-12s %-7d %-7d\n", 1090 inet_ntoa(rt->adv_rtr), path_type_name(rt->p_type), 1091 rt->cost, rt->cost2); 1092 free(dstnet); 1093 1094 lasttype = RIB_EXT; 1095 break; 1096 default: 1097 errx(1, "unknown route type"); 1098 } 1099 break; 1100 case IMSG_CTL_AREA: 1101 area = imsg->data; 1102 area_id = area->id; 1103 break; 1104 case IMSG_CTL_END: 1105 printf("\n"); 1106 return (1); 1107 default: 1108 break; 1109 } 1110 1111 return (0); 1112 } 1113 1114 void 1115 show_fib_head(void) 1116 { 1117 printf("flags: * = valid, O = OSPF, C = Connected, S = Static\n"); 1118 printf("%-6s %-4s %-20s %-17s\n", "Flags", "Prio", "Destination", "Nexthop"); 1119 } 1120 1121 int 1122 show_fib_msg(struct imsg *imsg) 1123 { 1124 struct kroute *k; 1125 char *p; 1126 1127 switch (imsg->hdr.type) { 1128 case IMSG_CTL_KROUTE: 1129 if (imsg->hdr.len < IMSG_HEADER_SIZE + sizeof(struct kroute)) 1130 errx(1, "wrong imsg len"); 1131 k = imsg->data; 1132 1133 if (k->flags & F_DOWN) 1134 printf(" "); 1135 else 1136 printf("*"); 1137 1138 if (!(k->flags & F_KERNEL)) 1139 printf("O"); 1140 else if (k->flags & F_CONNECTED) 1141 printf("C"); 1142 else if (k->flags & F_STATIC) 1143 printf("S"); 1144 else 1145 printf(" "); 1146 1147 printf(" "); 1148 printf("%4d ", k->priority); 1149 if (asprintf(&p, "%s/%u", inet_ntoa(k->prefix), k->prefixlen) == 1150 -1) 1151 err(1, NULL); 1152 printf("%-20s ", p); 1153 free(p); 1154 1155 if (k->nexthop.s_addr) 1156 printf("%s", inet_ntoa(k->nexthop)); 1157 else if (k->flags & F_CONNECTED) 1158 printf("link#%u", k->ifindex); 1159 printf("\n"); 1160 1161 break; 1162 case IMSG_CTL_END: 1163 printf("\n"); 1164 return (1); 1165 default: 1166 break; 1167 } 1168 1169 return (0); 1170 } 1171 1172 void 1173 show_interface_head(void) 1174 { 1175 printf("%-15s%-15s%s\n", "Interface", "Flags", 1176 "Link state"); 1177 } 1178 1179 const struct if_status_description 1180 if_status_descriptions[] = LINK_STATE_DESCRIPTIONS; 1181 const struct ifmedia_description 1182 ifm_type_descriptions[] = IFM_TYPE_DESCRIPTIONS; 1183 1184 const char * 1185 get_media_descr(int media_type) 1186 { 1187 const struct ifmedia_description *p; 1188 1189 for (p = ifm_type_descriptions; p->ifmt_string != NULL; p++) 1190 if (media_type == p->ifmt_word) 1191 return (p->ifmt_string); 1192 1193 return ("unknown"); 1194 } 1195 1196 const char * 1197 get_linkstate(int media_type, int link_state) 1198 { 1199 const struct if_status_description *p; 1200 static char buf[8]; 1201 1202 for (p = if_status_descriptions; p->ifs_string != NULL; p++) { 1203 if (LINK_STATE_DESC_MATCH(p, media_type, link_state)) 1204 return (p->ifs_string); 1205 } 1206 snprintf(buf, sizeof(buf), "[#%d]", link_state); 1207 return (buf); 1208 } 1209 1210 void 1211 print_baudrate(u_int64_t baudrate) 1212 { 1213 if (baudrate > IF_Gbps(1)) 1214 printf("%llu GBit/s", baudrate / IF_Gbps(1)); 1215 else if (baudrate > IF_Mbps(1)) 1216 printf("%llu MBit/s", baudrate / IF_Mbps(1)); 1217 else if (baudrate > IF_Kbps(1)) 1218 printf("%llu KBit/s", baudrate / IF_Kbps(1)); 1219 else 1220 printf("%llu Bit/s", baudrate); 1221 } 1222 1223 int 1224 show_fib_interface_msg(struct imsg *imsg) 1225 { 1226 struct kif *k; 1227 int ifms_type; 1228 1229 switch (imsg->hdr.type) { 1230 case IMSG_CTL_IFINFO: 1231 k = imsg->data; 1232 printf("%-15s", k->ifname); 1233 printf("%-15s", k->flags & IFF_UP ? "UP" : ""); 1234 ifms_type = get_ifms_type(k->media_type); 1235 if (ifms_type) 1236 printf("%s, ", get_media_descr(ifms_type)); 1237 1238 printf("%s", get_linkstate(k->media_type, k->link_state)); 1239 1240 if (k->link_state != LINK_STATE_DOWN && k->baudrate > 0) { 1241 printf(", "); 1242 print_baudrate(k->baudrate); 1243 } 1244 printf("\n"); 1245 break; 1246 case IMSG_CTL_END: 1247 printf("\n"); 1248 return (1); 1249 default: 1250 break; 1251 } 1252 1253 return (0); 1254 } 1255