ospfctl.c revision 1.31
1/* $OpenBSD: ospfctl.c,v 1.31 2006/03/26 09:45:55 norby Exp $ */ 2 3/* 4 * Copyright (c) 2005 Claudio Jeker <claudio@openbsd.org> 5 * Copyright (c) 2004, 2005 Esben Norby <norby@openbsd.org> 6 * Copyright (c) 2003 Henning Brauer <henning@openbsd.org> 7 * 8 * Permission to use, copy, modify, and distribute this software for any 9 * purpose with or without fee is hereby granted, provided that the above 10 * copyright notice and this permission notice appear in all copies. 11 * 12 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 13 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 14 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 15 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 16 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 17 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 18 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 19 */ 20 21#include <sys/types.h> 22#include <sys/socket.h> 23#include <sys/un.h> 24#include <netinet/in.h> 25#include <arpa/inet.h> 26#include <net/if_media.h> 27#include <net/if_types.h> 28 29#include <err.h> 30#include <stdio.h> 31#include <stdlib.h> 32#include <string.h> 33#include <unistd.h> 34 35#include "ospf.h" 36#include "ospfd.h" 37#include "ospfe.h" 38#include "parser.h" 39 40__dead void usage(void); 41int show_summary_msg(struct imsg *); 42int get_ifms_type(int); 43int show_interface_msg(struct imsg *); 44int show_interface_detail_msg(struct imsg *); 45const char *print_link(int); 46const char *fmt_timeframe(time_t t); 47const char *fmt_timeframe_core(time_t t); 48const char *log_id(u_int32_t ); 49const char *log_adv_rtr(u_int32_t); 50void show_database_head(struct in_addr, u_int8_t); 51int show_database_msg(struct imsg *); 52char *print_ls_type(u_int8_t); 53void show_db_hdr_msg_detail(struct lsa_hdr *); 54char *print_rtr_link_type(u_int8_t); 55const char *print_ospf_flags(u_int8_t); 56int show_db_msg_detail(struct imsg *imsg); 57int show_nbr_msg(struct imsg *); 58const char *print_ospf_options(u_int8_t); 59int show_nbr_detail_msg(struct imsg *); 60int show_rib_msg(struct imsg *); 61void show_rib_head(struct in_addr, u_int8_t, u_int8_t); 62const char *print_ospf_rtr_flags(u_int8_t); 63int show_rib_detail_msg(struct imsg *); 64void show_fib_head(void); 65int show_fib_msg(struct imsg *); 66void show_interface_head(void); 67const char * get_media_descr(int); 68const char * get_linkstate(int, int); 69void print_baudrate(u_long); 70int show_fib_interface_msg(struct imsg *); 71 72struct imsgbuf *ibuf; 73 74__dead void 75usage(void) 76{ 77 extern char *__progname; 78 79 fprintf(stderr, "usage: %s <command> [arg [...]]\n", __progname); 80 exit(1); 81} 82 83void 84imsg_event_add(struct imsgbuf *i) 85{ 86} 87 88int 89main(int argc, char *argv[]) 90{ 91 struct sockaddr_un sun; 92 struct parse_result *res; 93 struct imsg imsg; 94 unsigned int ifidx = 0; 95 int ctl_sock; 96 int done = 0; 97 int n; 98 99 /* parse options */ 100 if ((res = parse(argc - 1, argv + 1)) == NULL) 101 exit(1); 102 103 /* connect to ospfd control socket */ 104 if ((ctl_sock = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) 105 err(1, "socket"); 106 107 bzero(&sun, sizeof(sun)); 108 sun.sun_family = AF_UNIX; 109 strlcpy(sun.sun_path, OSPFD_SOCKET, sizeof(sun.sun_path)); 110 if (connect(ctl_sock, (struct sockaddr *)&sun, sizeof(sun)) == -1) 111 err(1, "connect: %s", OSPFD_SOCKET); 112 113 if ((ibuf = malloc(sizeof(struct imsgbuf))) == NULL) 114 err(1, NULL); 115 imsg_init(ibuf, ctl_sock, NULL); 116 done = 0; 117 118 /* process user request */ 119 switch (res->action) { 120 case NONE: 121 usage(); 122 /* not reached */ 123 case SHOW: 124 case SHOW_SUM: 125 imsg_compose(ibuf, IMSG_CTL_SHOW_SUM, 0, 0, NULL, 0); 126 break; 127 case SHOW_IFACE: 128 printf("%-11s %-18s %-6s %-10s %-10s %-8s %3s %3s\n", 129 "Interface", "Address", "State", "HelloTimer", "Linkstate", 130 "Uptime", "nc", "ac"); 131 case SHOW_IFACE_DTAIL: 132 if (*res->ifname) { 133 ifidx = if_nametoindex(res->ifname); 134 if (ifidx == 0) 135 errx(1, "no such interface %s", res->ifname); 136 } 137 imsg_compose(ibuf, IMSG_CTL_SHOW_INTERFACE, 0, 0, 138 &ifidx, sizeof(ifidx)); 139 break; 140 case SHOW_NBR: 141 printf("%-15s %-3s %-12s %-8s %-15s %-9s %s\n", "ID", "Pri", 142 "State", "DeadTime", "Address", "Iface","Uptime"); 143 case SHOW_NBR_DTAIL: 144 imsg_compose(ibuf, IMSG_CTL_SHOW_NBR, 0, 0, NULL, 0); 145 break; 146 case SHOW_DB: 147 imsg_compose(ibuf, IMSG_CTL_SHOW_DATABASE, 0, 0, NULL, 0); 148 break; 149 case SHOW_DBBYAREA: 150 imsg_compose(ibuf, IMSG_CTL_SHOW_DATABASE, 0, 0, 151 &res->addr, sizeof(res->addr)); 152 break; 153 case SHOW_DBEXT: 154 imsg_compose(ibuf, IMSG_CTL_SHOW_DB_EXT, 0, 0, NULL, 0); 155 break; 156 case SHOW_DBNET: 157 imsg_compose(ibuf, IMSG_CTL_SHOW_DB_NET, 0, 0, NULL, 0); 158 break; 159 case SHOW_DBRTR: 160 imsg_compose(ibuf, IMSG_CTL_SHOW_DB_RTR, 0, 0, NULL, 0); 161 break; 162 case SHOW_DBSELF: 163 imsg_compose(ibuf, IMSG_CTL_SHOW_DB_SELF, 0, 0, NULL, 0); 164 break; 165 case SHOW_DBSUM: 166 imsg_compose(ibuf, IMSG_CTL_SHOW_DB_SUM, 0, 0, NULL, 0); 167 break; 168 case SHOW_DBASBR: 169 imsg_compose(ibuf, IMSG_CTL_SHOW_DB_ASBR, 0, 0, NULL, 0); 170 break; 171 case SHOW_RIB: 172 printf("%-20s %-17s %-12s %-9s %-7s %-8s\n", "Destination", 173 "Nexthop", "Path Type", "Type", "Cost", "Uptime"); 174 case SHOW_RIB_DTAIL: 175 imsg_compose(ibuf, IMSG_CTL_SHOW_RIB, 0, 0, NULL, 0); 176 break; 177 case SHOW_FIB: 178 if (!res->addr.s_addr) 179 imsg_compose(ibuf, IMSG_CTL_KROUTE, 0, 0, 180 &res->flags, sizeof(res->flags)); 181 else 182 imsg_compose(ibuf, IMSG_CTL_KROUTE_ADDR, 0, 0, 183 &res->addr, sizeof(res->addr)); 184 show_fib_head(); 185 break; 186 case SHOW_FIB_IFACE: 187 if (*res->ifname) 188 imsg_compose(ibuf, IMSG_CTL_IFINFO, 0, 0, 189 res->ifname, sizeof(res->ifname)); 190 else 191 imsg_compose(ibuf, IMSG_CTL_IFINFO, 0, 0, NULL, 0); 192 show_interface_head(); 193 break; 194 case FIB: 195 errx(1, "fib couple|decouple"); 196 break; 197 case FIB_COUPLE: 198 imsg_compose(ibuf, IMSG_CTL_FIB_COUPLE, 0, 0, NULL, 0); 199 printf("couple request sent.\n"); 200 done = 1; 201 break; 202 case FIB_DECOUPLE: 203 imsg_compose(ibuf, IMSG_CTL_FIB_DECOUPLE, 0, 0, NULL, 0); 204 printf("decouple request sent.\n"); 205 done = 1; 206 break; 207 case RELOAD: 208 imsg_compose(ibuf, IMSG_CTL_RELOAD, 0, 0, NULL, 0); 209 printf("reload request sent.\n"); 210 done = 1; 211 break; 212 } 213 214 while (ibuf->w.queued) 215 if (msgbuf_write(&ibuf->w) < 0) 216 err(1, "write error"); 217 218 while (!done) { 219 if ((n = imsg_read(ibuf)) == -1) 220 errx(1, "imsg_read error"); 221 if (n == 0) 222 errx(1, "pipe closed"); 223 224 while (!done) { 225 if ((n = imsg_get(ibuf, &imsg)) == -1) 226 errx(1, "imsg_get error"); 227 if (n == 0) 228 break; 229 switch (res->action) { 230 case SHOW: 231 case SHOW_SUM: 232 done = show_summary_msg(&imsg); 233 break; 234 case SHOW_IFACE: 235 done = show_interface_msg(&imsg); 236 break; 237 case SHOW_IFACE_DTAIL: 238 done = show_interface_detail_msg(&imsg); 239 break; 240 case SHOW_NBR: 241 done = show_nbr_msg(&imsg); 242 break; 243 case SHOW_NBR_DTAIL: 244 done = show_nbr_detail_msg(&imsg); 245 break; 246 case SHOW_DB: 247 case SHOW_DBBYAREA: 248 case SHOW_DBSELF: 249 done = show_database_msg(&imsg); 250 break; 251 case SHOW_DBEXT: 252 case SHOW_DBNET: 253 case SHOW_DBRTR: 254 case SHOW_DBSUM: 255 case SHOW_DBASBR: 256 done = show_db_msg_detail(&imsg); 257 break; 258 case SHOW_RIB: 259 done = show_rib_msg(&imsg); 260 break; 261 case SHOW_RIB_DTAIL: 262 done = show_rib_detail_msg(&imsg); 263 break; 264 case SHOW_FIB: 265 done = show_fib_msg(&imsg); 266 break; 267 case SHOW_FIB_IFACE: 268 done = show_fib_interface_msg(&imsg); 269 break; 270 case NONE: 271 case FIB: 272 case FIB_COUPLE: 273 case FIB_DECOUPLE: 274 case RELOAD: 275 break; 276 } 277 imsg_free(&imsg); 278 } 279 } 280 close(ctl_sock); 281 free(ibuf); 282 283 return (0); 284} 285 286int 287show_summary_msg(struct imsg *imsg) 288{ 289 struct ctl_sum *sum; 290 struct ctl_sum_area *sumarea; 291 292 switch (imsg->hdr.type) { 293 case IMSG_CTL_SHOW_SUM: 294 sum = imsg->data; 295 printf("Router ID: %s\n", inet_ntoa(sum->rtr_id)); 296 printf("RFC1583 compatibility flag is "); 297 if (sum->rfc1583compat) 298 printf("enabled\n"); 299 else 300 printf("disabled\n"); 301 302 printf("SPF delay is %d sec(s), hold time between two SPFs " 303 "is %d sec(s)\n", sum->spf_delay, sum->spf_hold_time); 304 printf("Number of external LSA(s) %d\n", sum->num_ext_lsa); 305 printf("Number of areas attached to this router: %d\n", 306 sum->num_area); 307 break; 308 case IMSG_CTL_SHOW_SUM_AREA: 309 sumarea = imsg->data; 310 printf("\nArea ID: %s\n", inet_ntoa(sumarea->area)); 311 printf(" Number of interfaces in this area: %d\n", 312 sumarea->num_iface); 313 printf(" Number of fully adjacent neighbors in this " 314 "area: %d\n", sumarea->num_adj_nbr); 315 printf(" SPF algorithm executed %d time(s)\n", 316 sumarea->num_spf_calc); 317 printf(" Number LSA(s) %d\n", sumarea->num_lsa); 318 break; 319 case IMSG_CTL_END: 320 printf("\n"); 321 return (1); 322 default: 323 break; 324 } 325 326 return (0); 327} 328 329int 330get_ifms_type(int mediatype) 331{ 332 switch (mediatype) { 333 case IFT_ETHER: 334 return (IFM_ETHER); 335 break; 336 case IFT_FDDI: 337 return (IFM_FDDI); 338 break; 339 case IFT_ISO88025: 340 return (IFM_TOKEN); 341 break; 342 case IFT_CARP: 343 return (IFM_CARP); 344 break; 345 default: 346 return (0); 347 break; 348 } 349} 350 351int 352show_interface_msg(struct imsg *imsg) 353{ 354 struct ctl_iface *iface; 355 char *netid; 356 357 switch (imsg->hdr.type) { 358 case IMSG_CTL_SHOW_INTERFACE: 359 iface = imsg->data; 360 361 if (asprintf(&netid, "%s/%d", inet_ntoa(iface->addr), 362 mask2prefixlen(iface->mask.s_addr)) == -1) 363 err(1, NULL); 364 printf("%-11s %-18s %-6s %-10s %-10s %s %3d %3d\n", 365 iface->name, netid, if_state_name(iface->state), 366 iface->hello_timer < 0 ? "stopped" : 367 fmt_timeframe_core(iface->hello_timer), 368 get_linkstate(get_ifms_type(iface->mediatype), 369 iface->linkstate), iface->uptime == 0 ? "00:00:00" : 370 fmt_timeframe_core(iface->uptime), iface->nbr_cnt, 371 iface->adj_cnt); 372 free(netid); 373 break; 374 case IMSG_CTL_END: 375 printf("\n"); 376 return (1); 377 default: 378 break; 379 } 380 381 return (0); 382} 383 384int 385show_interface_detail_msg(struct imsg *imsg) 386{ 387 struct ctl_iface *iface; 388 389 switch (imsg->hdr.type) { 390 case IMSG_CTL_SHOW_INTERFACE: 391 iface = imsg->data; 392 printf("\n"); 393 printf("Interface %s, line protocol is %s\n", 394 iface->name, print_link(iface->flags)); 395 printf(" Internet address %s/%d, ", 396 inet_ntoa(iface->addr), 397 mask2prefixlen(iface->mask.s_addr)); 398 printf("Area %s\n", inet_ntoa(iface->area)); 399 printf(" Linkstate %s\n", 400 get_linkstate(get_ifms_type(iface->mediatype), 401 iface->linkstate)); 402 printf(" Router ID %s, network type %s, cost: %d\n", 403 inet_ntoa(iface->rtr_id), 404 if_type_name(iface->type), iface->metric); 405 printf(" Transmit delay is %d sec(s), state %s, priority %d\n", 406 iface->transmit_delay, if_state_name(iface->state), 407 iface->priority); 408 printf(" Designated Router (ID) %s, ", 409 inet_ntoa(iface->dr_id)); 410 printf("interface address %s\n", inet_ntoa(iface->dr_addr)); 411 printf(" Backup Designated Router (ID) %s, ", 412 inet_ntoa(iface->bdr_id)); 413 printf("interface address %s\n", inet_ntoa(iface->bdr_addr)); 414 printf(" Timer intervals configured, " 415 "hello %d, dead %d, wait %d, retransmit %d\n", 416 iface->hello_interval, iface->dead_interval, 417 iface->dead_interval, iface->rxmt_interval); 418 if (iface->passive) 419 printf(" Passive interface (No Hellos)\n"); 420 else if (iface->hello_timer < 0) 421 printf(" Hello timer not running\n"); 422 else 423 printf(" Hello timer due in %s\n", 424 fmt_timeframe_core(iface->hello_timer)); 425 printf(" Uptime %s\n", iface->uptime == 0 ? 426 "00:00:00" : fmt_timeframe_core(iface->uptime)); 427 printf(" Neighbor count is %d, adjacent neighbor count is " 428 "%d\n", iface->nbr_cnt, iface->adj_cnt); 429 if (iface->auth_type > 0) { 430 switch (iface->auth_type) { 431 case AUTH_SIMPLE: 432 printf(" Simple password authentication " 433 "enabled\n"); 434 break; 435 case AUTH_CRYPT: 436 printf(" Message digest authentication " 437 "enabled\n"); 438 printf(" Primary key id is %d\n", 439 iface->auth_keyid); 440 break; 441 default: 442 break; 443 } 444 } 445 break; 446 case IMSG_CTL_END: 447 printf("\n"); 448 return (1); 449 default: 450 break; 451 } 452 453 return (0); 454} 455 456const char * 457print_link(int state) 458{ 459 if (state & IFF_UP) 460 return ("UP"); 461 else 462 return ("DOWN"); 463} 464 465#define TF_BUFS 8 466#define TF_LEN 9 467 468const char * 469fmt_timeframe(time_t t) 470{ 471 if (t == 0) 472 return ("Never"); 473 else 474 return (fmt_timeframe_core(time(NULL) - t)); 475} 476 477const char * 478fmt_timeframe_core(time_t t) 479{ 480 char *buf; 481 static char tfbuf[TF_BUFS][TF_LEN]; /* ring buffer */ 482 static int idx = 0; 483 unsigned sec, min, hrs, day, week; 484 485 if (t == 0) 486 return ("Stopped"); 487 488 buf = tfbuf[idx++]; 489 if (idx == TF_BUFS) 490 idx = 0; 491 492 week = t; 493 494 sec = week % 60; 495 week /= 60; 496 min = week % 60; 497 week /= 60; 498 hrs = week % 24; 499 week /= 24; 500 day = week % 7; 501 week /= 7; 502 503 if (week > 0) 504 snprintf(buf, TF_LEN, "%02uw%01ud%02uh", week, day, hrs); 505 else if (day > 0) 506 snprintf(buf, TF_LEN, "%01ud%02uh%02um", day, hrs, min); 507 else 508 snprintf(buf, TF_LEN, "%02u:%02u:%02u", hrs, min, sec); 509 510 return (buf); 511} 512 513const char * 514log_id(u_int32_t id) 515{ 516 static char buf[48]; 517 struct in_addr addr; 518 519 addr.s_addr = id; 520 521 if (inet_ntop(AF_INET, &addr, buf, sizeof(buf)) == NULL) 522 return ("?"); 523 else 524 return (buf); 525} 526 527const char * 528log_adv_rtr(u_int32_t adv_rtr) 529{ 530 static char buf[48]; 531 struct in_addr addr; 532 533 addr.s_addr = adv_rtr; 534 535 if (inet_ntop(AF_INET, &addr, buf, sizeof(buf)) == NULL) 536 return ("?"); 537 else 538 return (buf); 539} 540 541/* prototype defined in ospfd.h and shared with the kroute.c version */ 542u_int8_t 543mask2prefixlen(in_addr_t ina) 544{ 545 if (ina == 0) 546 return (0); 547 else 548 return (33 - ffs(ntohl(ina))); 549} 550 551void 552show_database_head(struct in_addr aid, u_int8_t type) 553{ 554 char *header, *format; 555 556 switch (type) { 557 case LSA_TYPE_ROUTER: 558 format = "Router Link States"; 559 break; 560 case LSA_TYPE_NETWORK: 561 format = "Net Link States"; 562 break; 563 case LSA_TYPE_SUM_NETWORK: 564 format = "Summary Net Link States"; 565 break; 566 case LSA_TYPE_SUM_ROUTER: 567 format = "Summary Router Link States"; 568 break; 569 case LSA_TYPE_EXTERNAL: 570 format = NULL; 571 if ((header = strdup("Type-5 AS External Link States")) == NULL) 572 err(1, NULL); 573 break; 574 default: 575 errx(1, "unknown LSA type"); 576 } 577 if (type != LSA_TYPE_EXTERNAL) 578 if (asprintf(&header, "%s (Area %s)", format, 579 inet_ntoa(aid)) == -1) 580 err(1, NULL); 581 582 printf("\n%-15s %s\n\n", "", header); 583 free(header); 584} 585 586int 587show_database_msg(struct imsg *imsg) 588{ 589 static struct in_addr area_id; 590 static u_int8_t lasttype; 591 struct area *area; 592 struct lsa_hdr *lsa; 593 594 switch (imsg->hdr.type) { 595 case IMSG_CTL_SHOW_DATABASE: 596 case IMSG_CTL_SHOW_DB_SELF: 597 lsa = imsg->data; 598 if (lsa->type != lasttype) { 599 show_database_head(area_id, lsa->type); 600 printf("%-15s %-15s %-4s %-10s %-8s\n", "Link ID", 601 "Adv Router", "Age", "Seq#", "Checksum"); 602 } 603 printf("%-15s %-15s %-4d 0x%08x 0x%04x\n", 604 log_id(lsa->ls_id), log_adv_rtr(lsa->adv_rtr), 605 ntohs(lsa->age), ntohl(lsa->seq_num), 606 ntohs(lsa->ls_chksum)); 607 lasttype = lsa->type; 608 break; 609 case IMSG_CTL_AREA: 610 area = imsg->data; 611 area_id = area->id; 612 lasttype = 0; 613 break; 614 case IMSG_CTL_END: 615 printf("\n"); 616 return (1); 617 default: 618 break; 619 } 620 621 return (0); 622} 623 624char * 625print_ls_type(u_int8_t type) 626{ 627 switch (type) { 628 case LSA_TYPE_ROUTER: 629 return ("Router"); 630 case LSA_TYPE_NETWORK: 631 return ("Network"); 632 case LSA_TYPE_SUM_NETWORK: 633 return ("Summary (Network)"); 634 case LSA_TYPE_SUM_ROUTER: 635 return ("Summary (Router)"); 636 case LSA_TYPE_EXTERNAL: 637 return ("AS External"); 638 default: 639 return ("Unknown"); 640 } 641} 642 643void 644show_db_hdr_msg_detail(struct lsa_hdr *lsa) 645{ 646 printf("LS age: %d\n", ntohs(lsa->age)); 647 printf("Options: %s\n", print_ospf_options(lsa->opts)); 648 printf("LS Type: %s\n", print_ls_type(lsa->type)); 649 650 switch (lsa->type) { 651 case LSA_TYPE_ROUTER: 652 printf("Link State ID: %s\n", log_id(lsa->ls_id)); 653 break; 654 case LSA_TYPE_NETWORK: 655 printf("Link State ID: %s (address of Designated Router)\n", 656 log_id(lsa->ls_id)); 657 break; 658 case LSA_TYPE_SUM_NETWORK: 659 printf("Link State ID: %s (Network ID)\n", log_id(lsa->ls_id)); 660 break; 661 case LSA_TYPE_SUM_ROUTER: 662 printf("Link State ID: %s (ASBR Router ID)\n", 663 log_id(lsa->ls_id)); 664 break; 665 case LSA_TYPE_EXTERNAL: 666 printf("Link State ID: %s (External Network Number)\n", 667 log_id(lsa->ls_id)); 668 break; 669 } 670 671 printf("Advertising Router: %s\n", log_adv_rtr(lsa->adv_rtr)); 672 printf("LS Seq Number: 0x%08x\n", ntohl(lsa->seq_num)); 673 printf("Checksum: 0x%04x\n", ntohs(lsa->ls_chksum)); 674 printf("Length: %d\n", ntohs(lsa->len)); 675} 676 677char * 678print_rtr_link_type(u_int8_t type) 679{ 680 switch (type) { 681 case LINK_TYPE_POINTTOPOINT: 682 return ("Point-to-Point"); 683 case LINK_TYPE_TRANSIT_NET: 684 return ("Transit Network"); 685 case LINK_TYPE_STUB_NET: 686 return ("Stub Network"); 687 case LINK_TYPE_VIRTUAL: 688 return ("Virtual Link"); 689 default: 690 return ("Unknown"); 691 } 692} 693 694const char * 695print_ospf_flags(u_int8_t opts) 696{ 697 static char optbuf[32]; 698 699 snprintf(optbuf, sizeof(optbuf), "*|*|*|*|*|%s|%s|%s", 700 opts & OSPF_RTR_V ? "V" : "-", 701 opts & OSPF_RTR_E ? "E" : "-", 702 opts & OSPF_RTR_B ? "B" : "-"); 703 return (optbuf); 704} 705 706int 707show_db_msg_detail(struct imsg *imsg) 708{ 709 static struct in_addr area_id; 710 static u_int8_t lasttype; 711 struct in_addr addr, data; 712 struct area *area; 713 struct lsa *lsa; 714 struct lsa_rtr_link *rtr_link; 715 struct lsa_asext *asext; 716 u_int16_t i, nlinks, off; 717 718 /* XXX sanity checks! */ 719 720 switch (imsg->hdr.type) { 721 case IMSG_CTL_SHOW_DB_EXT: 722 lsa = imsg->data; 723 if (lsa->hdr.type != lasttype) 724 show_database_head(area_id, lsa->hdr.type); 725 show_db_hdr_msg_detail(&lsa->hdr); 726 addr.s_addr = lsa->data.asext.mask; 727 printf("Network Mask: %s\n", inet_ntoa(addr)); 728 729 asext = (struct lsa_asext *)((char *)lsa + sizeof(lsa->hdr)); 730 731 printf(" Metric type: "); 732 if (ntohl(lsa->data.asext.metric) & LSA_ASEXT_E_FLAG) 733 printf("2\n"); 734 else 735 printf("1\n"); 736 printf(" Metric: %d\n", ntohl(asext->metric) 737 & LSA_METRIC_MASK); 738 addr.s_addr = asext->fw_addr; 739 printf(" Forwarding Address: %s\n", inet_ntoa(addr)); 740 printf(" External Route Tag: %d\n\n", ntohl(asext->ext_tag)); 741 742 lasttype = lsa->hdr.type; 743 break; 744 case IMSG_CTL_SHOW_DB_NET: 745 lsa = imsg->data; 746 if (lsa->hdr.type != lasttype) 747 show_database_head(area_id, lsa->hdr.type); 748 show_db_hdr_msg_detail(&lsa->hdr); 749 addr.s_addr = lsa->data.net.mask; 750 printf("Network Mask: %s\n", inet_ntoa(addr)); 751 752 nlinks = (ntohs(lsa->hdr.len) - sizeof(struct lsa_hdr) 753 - sizeof(u_int32_t)) / sizeof(struct lsa_net_link); 754 off = sizeof(lsa->hdr) + sizeof(u_int32_t); 755 756 for (i = 0; i < nlinks; i++) { 757 addr.s_addr = lsa->data.net.att_rtr[i]; 758 printf(" Attached Router: %s\n", inet_ntoa(addr)); 759 } 760 761 printf("\n"); 762 lasttype = lsa->hdr.type; 763 break; 764 case IMSG_CTL_SHOW_DB_RTR: 765 lsa = imsg->data; 766 if (lsa->hdr.type != lasttype) 767 show_database_head(area_id, lsa->hdr.type); 768 show_db_hdr_msg_detail(&lsa->hdr); 769 printf("Flags: %s\n", print_ospf_flags(lsa->data.rtr.flags)); 770 nlinks = ntohs(lsa->data.rtr.nlinks); 771 printf("Number of Links: %d\n\n", nlinks); 772 773 off = sizeof(lsa->hdr) + sizeof(struct lsa_rtr); 774 775 for (i = 0; i < nlinks; i++) { 776 rtr_link = (struct lsa_rtr_link *)((char *)lsa + off); 777 778 printf(" Link connected to: %s\n", 779 print_rtr_link_type(rtr_link->type)); 780 781 addr.s_addr = rtr_link->id; 782 data.s_addr = rtr_link->data; 783 784 switch (rtr_link->type) { 785 case LINK_TYPE_POINTTOPOINT: 786 case LINK_TYPE_VIRTUAL: 787 printf(" Link ID (Neighbors Router ID):" 788 " %s\n", inet_ntoa(addr)); 789 printf(" Link Data (Router Interface " 790 "address): %s\n", inet_ntoa(data)); 791 break; 792 case LINK_TYPE_TRANSIT_NET: 793 printf(" Link ID (Designated Router " 794 "address): %s\n", inet_ntoa(addr)); 795 printf(" Link Data (Router Interface " 796 "address): %s\n", inet_ntoa(data)); 797 break; 798 case LINK_TYPE_STUB_NET: 799 printf(" Link ID (Network ID): %s\n", 800 inet_ntoa(addr)); 801 printf(" Link Data (Network Mask): %s\n", 802 inet_ntoa(data)); 803 break; 804 default: 805 printf(" Link ID (Unknown): %s\n", 806 inet_ntoa(addr)); 807 printf(" Link Data (Unknown): %s\n", 808 inet_ntoa(data)); 809 break; 810 } 811 812 printf(" Metric: %d\n\n", ntohs(rtr_link->metric)); 813 814 off += sizeof(struct lsa_rtr_link) + 815 rtr_link->num_tos * sizeof(u_int32_t); 816 } 817 818 lasttype = lsa->hdr.type; 819 break; 820 case IMSG_CTL_SHOW_DB_SUM: 821 case IMSG_CTL_SHOW_DB_ASBR: 822 lsa = imsg->data; 823 if (lsa->hdr.type != lasttype) 824 show_database_head(area_id, lsa->hdr.type); 825 show_db_hdr_msg_detail(&lsa->hdr); 826 addr.s_addr = lsa->data.sum.mask; 827 printf("Network Mask: %s\n", inet_ntoa(addr)); 828 printf("Metric: %d\n\n", ntohl(lsa->data.sum.metric) & 829 LSA_METRIC_MASK); 830 lasttype = lsa->hdr.type; 831 break; 832 case IMSG_CTL_AREA: 833 area = imsg->data; 834 area_id = area->id; 835 lasttype = 0; 836 break; 837 case IMSG_CTL_END: 838 return (1); 839 default: 840 break; 841 } 842 843 return (0); 844} 845 846int 847show_nbr_msg(struct imsg *imsg) 848{ 849 struct ctl_nbr *nbr; 850 char *state; 851 852 switch (imsg->hdr.type) { 853 case IMSG_CTL_SHOW_NBR: 854 nbr = imsg->data; 855 if (asprintf(&state, "%s/%s", nbr_state_name(nbr->nbr_state), 856 if_state_name(nbr->iface_state)) == -1) 857 err(1, NULL); 858 printf("%-15s %-3d %-12s %-9s", inet_ntoa(nbr->id), 859 nbr->priority, state, fmt_timeframe_core(nbr->dead_timer)); 860 printf("%-15s %-9s %s\n", inet_ntoa(nbr->addr), nbr->name, 861 nbr->uptime == 0 ? "-" : fmt_timeframe_core(nbr->uptime)); 862 free(state); 863 break; 864 case IMSG_CTL_END: 865 printf("\n"); 866 return (1); 867 default: 868 break; 869 } 870 871 return (0); 872} 873 874const char * 875print_ospf_options(u_int8_t opts) 876{ 877 static char optbuf[32]; 878 879 snprintf(optbuf, sizeof(optbuf), "*|*|%s|%s|%s|%s|%s|*", 880 opts & OSPF_OPTION_DC ? "DC" : "-", 881 opts & OSPF_OPTION_EA ? "EA" : "-", 882 opts & OSPF_OPTION_NP ? "N/P" : "-", 883 opts & OSPF_OPTION_MC ? "MC" : "-", 884 opts & OSPF_OPTION_E ? "E" : "-"); 885 return (optbuf); 886} 887 888int 889show_nbr_detail_msg(struct imsg *imsg) 890{ 891 struct ctl_nbr *nbr; 892 893 switch (imsg->hdr.type) { 894 case IMSG_CTL_SHOW_NBR: 895 nbr = imsg->data; 896 printf("\nNeighbor %s, ", inet_ntoa(nbr->id)); 897 printf("interface address %s\n", inet_ntoa(nbr->addr)); 898 printf(" Area %s, interface %s\n", inet_ntoa(nbr->area), 899 nbr->name); 900 printf(" Neighbor priority is %d, " 901 "State is %s, %d state changes\n", 902 nbr->priority, nbr_state_name(nbr->nbr_state), 903 nbr->state_chng_cnt); 904 printf(" DR is %s, ", inet_ntoa(nbr->dr)); 905 printf("BDR is %s\n", inet_ntoa(nbr->bdr)); 906 printf(" Options %s\n", print_ospf_options(nbr->options)); 907 printf(" Dead timer due in %s\n", 908 fmt_timeframe_core(nbr->dead_timer)); 909 printf(" Database Summary List %d\n", nbr->db_sum_lst_cnt); 910 printf(" Link State Request List %d\n", nbr->ls_req_lst_cnt); 911 printf(" Link State Retransmission List %d\n", 912 nbr->ls_retrans_lst_cnt); 913 break; 914 case IMSG_CTL_END: 915 printf("\n"); 916 return (1); 917 default: 918 break; 919 } 920 921 return (0); 922} 923 924int 925show_rib_msg(struct imsg *imsg) 926{ 927 struct ctl_rt *rt; 928 char *dstnet; 929 930 switch (imsg->hdr.type) { 931 case IMSG_CTL_SHOW_RIB: 932 rt = imsg->data; 933 switch (rt->d_type) { 934 case DT_NET: 935 if (asprintf(&dstnet, "%s/%d", inet_ntoa(rt->prefix), 936 rt->prefixlen) == -1) 937 err(1, NULL); 938 break; 939 case DT_RTR: 940 if (asprintf(&dstnet, "%s", 941 inet_ntoa(rt->prefix)) == -1) 942 err(1, NULL); 943 break; 944 default: 945 errx(1, "Invalid route type"); 946 } 947 948 printf("%-20s %-17s %-12s %-9s %-7d %s\n", dstnet, 949 inet_ntoa(rt->nexthop), path_type_name(rt->p_type), 950 dst_type_name(rt->d_type), rt->cost, 951 rt->uptime == 0 ? "-" : fmt_timeframe_core(rt->uptime)); 952 free(dstnet); 953 break; 954 case IMSG_CTL_END: 955 printf("\n"); 956 return (1); 957 default: 958 break; 959 } 960 961 return (0); 962} 963 964void 965show_rib_head(struct in_addr aid, u_int8_t d_type, u_int8_t p_type) 966{ 967 char *header, *format, *format2; 968 969 switch (p_type) { 970 case PT_INTRA_AREA: 971 case PT_INTER_AREA: 972 switch (d_type) { 973 case DT_NET: 974 format = "Network Routing Table"; 975 format2 = ""; 976 break; 977 case DT_RTR: 978 format = "Router Routing Table"; 979 format2 = "Type"; 980 break; 981 default: 982 errx(1, "unknown route type"); 983 } 984 break; 985 case PT_TYPE1_EXT: 986 case PT_TYPE2_EXT: 987 format = NULL; 988 format2 = "Cost 2"; 989 if ((header = strdup("External Routing Table")) == NULL) 990 err(1, NULL); 991 break; 992 default: 993 errx(1, "unknown route type"); 994 } 995 996 if (p_type != PT_TYPE1_EXT && p_type != PT_TYPE2_EXT) 997 if (asprintf(&header, "%s (Area %s)", format, 998 inet_ntoa(aid)) == -1) 999 err(1, NULL); 1000 1001 printf("\n%-18s %s\n", "", header); 1002 free(header); 1003 1004 printf("\n%-18s %-15s %-15s %-12s %-7s %-7s\n", "Destination", 1005 "Nexthop", "Adv Router", "Path type", "Cost", format2); 1006} 1007 1008const char * 1009print_ospf_rtr_flags(u_int8_t opts) 1010{ 1011 static char optbuf[32]; 1012 1013 snprintf(optbuf, sizeof(optbuf), "%s%s%s", 1014 opts & OSPF_RTR_E ? "AS" : "", 1015 opts & OSPF_RTR_E && opts & OSPF_RTR_B ? "+" : "", 1016 opts & OSPF_RTR_B ? "ABR" : ""); 1017 return (optbuf); 1018} 1019 1020int 1021show_rib_detail_msg(struct imsg *imsg) 1022{ 1023 static struct in_addr area_id; 1024 struct ctl_rt *rt; 1025 struct area *area; 1026 char *dstnet; 1027 static u_int8_t lasttype; 1028 1029 switch (imsg->hdr.type) { 1030 case IMSG_CTL_SHOW_RIB: 1031 rt = imsg->data; 1032 1033 switch (rt->p_type) { 1034 case PT_INTRA_AREA: 1035 case PT_INTER_AREA: 1036 switch (rt->d_type) { 1037 case DT_NET: 1038 if (lasttype != RIB_NET) 1039 show_rib_head(rt->area, rt->d_type, 1040 rt->p_type); 1041 if (asprintf(&dstnet, "%s/%d", 1042 inet_ntoa(rt->prefix), rt->prefixlen) == -1) 1043 err(1, NULL); 1044 lasttype = RIB_NET; 1045 break; 1046 case DT_RTR: 1047 if (lasttype != RIB_RTR) 1048 show_rib_head(rt->area, rt->d_type, 1049 rt->p_type); 1050 if (asprintf(&dstnet, "%s", 1051 inet_ntoa(rt->prefix)) == -1) 1052 err(1, NULL); 1053 lasttype = RIB_RTR; 1054 break; 1055 default: 1056 errx(1, "unknown route type"); 1057 } 1058 printf("%-18s %-15s ", dstnet, inet_ntoa(rt->nexthop)); 1059 printf("%-15s %-12s %-7d", inet_ntoa(rt->adv_rtr), 1060 path_type_name(rt->p_type), rt->cost); 1061 free(dstnet); 1062 1063 if (rt->d_type == DT_RTR) 1064 printf(" %-7s", 1065 print_ospf_rtr_flags(rt->flags)); 1066 1067 printf("\n"); 1068 break; 1069 case PT_TYPE1_EXT: 1070 case PT_TYPE2_EXT: 1071 if (lasttype != RIB_EXT) 1072 show_rib_head(rt->area, rt->d_type, rt->p_type); 1073 1074 if (asprintf(&dstnet, "%s/%d", 1075 inet_ntoa(rt->prefix), rt->prefixlen) == -1) 1076 err(1, NULL); 1077 1078 printf("%-18s %-15s ", dstnet, inet_ntoa(rt->nexthop)); 1079 printf("%-15s %-12s %-7d %-7d\n", 1080 inet_ntoa(rt->adv_rtr), path_type_name(rt->p_type), 1081 rt->cost, rt->cost2); 1082 1083 lasttype = RIB_EXT; 1084 break; 1085 default: 1086 errx(1, "unknown route type"); 1087 } 1088 break; 1089 case IMSG_CTL_AREA: 1090 area = imsg->data; 1091 area_id = area->id; 1092 break; 1093 case IMSG_CTL_END: 1094 printf("\n"); 1095 return (1); 1096 default: 1097 break; 1098 } 1099 1100 return (0); 1101} 1102 1103void 1104show_fib_head(void) 1105{ 1106 printf("flags: * = valid, O = OSPF, C = Connected, S = Static\n"); 1107 printf("%-6s %-20s %-17s\n", "Flags", "Destination", "Nexthop"); 1108} 1109 1110int 1111show_fib_msg(struct imsg *imsg) 1112{ 1113 struct kroute *k; 1114 char *p; 1115 1116 switch (imsg->hdr.type) { 1117 case IMSG_CTL_KROUTE: 1118 if (imsg->hdr.len < IMSG_HEADER_SIZE + sizeof(struct kroute)) 1119 errx(1, "wrong imsg len"); 1120 k = imsg->data; 1121 1122 if (k->flags & F_DOWN) 1123 printf(" "); 1124 else 1125 printf("*"); 1126 1127 if (!(k->flags & F_KERNEL)) 1128 printf("O"); 1129 else if (k->flags & F_CONNECTED) 1130 printf("C"); 1131 else if (k->flags & F_STATIC) 1132 printf("S"); 1133 else 1134 printf(" "); 1135 1136 printf(" "); 1137 if (asprintf(&p, "%s/%u", inet_ntoa(k->prefix), k->prefixlen) == 1138 -1) 1139 err(1, NULL); 1140 printf("%-20s ", p); 1141 free(p); 1142 1143 if (k->nexthop.s_addr) 1144 printf("%s", inet_ntoa(k->nexthop)); 1145 else if (k->flags & F_CONNECTED) 1146 printf("link#%u", k->ifindex); 1147 printf("\n"); 1148 1149 break; 1150 case IMSG_CTL_END: 1151 printf("\n"); 1152 return (1); 1153 default: 1154 break; 1155 } 1156 1157 return (0); 1158} 1159 1160void 1161show_interface_head(void) 1162{ 1163 printf("%-15s%-15s%s\n", "Interface", "Flags", 1164 "Link state"); 1165} 1166 1167const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1168const struct ifmedia_status_description 1169 ifm_status_descriptions[] = IFM_STATUS_DESCRIPTIONS; 1170const struct ifmedia_description 1171 ifm_type_descriptions[] = IFM_TYPE_DESCRIPTIONS; 1172 1173const char * 1174get_media_descr(int media_type) 1175{ 1176 const struct ifmedia_description *p; 1177 1178 for (p = ifm_type_descriptions; p->ifmt_string != NULL; p++) 1179 if (media_type == p->ifmt_word) 1180 return (p->ifmt_string); 1181 1182 return ("unknown media"); 1183} 1184 1185const char * 1186get_linkstate(int media_type, int link_state) 1187{ 1188 const struct ifmedia_status_description *p; 1189 int i; 1190 1191 if (link_state == LINK_STATE_UNKNOWN) 1192 return ("unknown"); 1193 1194 for (i = 0; ifm_status_valid_list[i] != 0; i++) 1195 for (p = ifm_status_descriptions; p->ifms_valid != 0; p++) { 1196 if (p->ifms_type != media_type || 1197 p->ifms_valid != ifm_status_valid_list[i]) 1198 continue; 1199 return (p->ifms_string[link_state == LINK_STATE_UP]); 1200 } 1201 1202 return ("unknown link state"); 1203} 1204 1205void 1206print_baudrate(u_long baudrate) 1207{ 1208 if (baudrate > IF_Gbps(1)) 1209 printf("%lu GBit/s", baudrate / IF_Gbps(1)); 1210 else if (baudrate > IF_Mbps(1)) 1211 printf("%lu MBit/s", baudrate / IF_Mbps(1)); 1212 else if (baudrate > IF_Kbps(1)) 1213 printf("%lu KBit/s", baudrate / IF_Kbps(1)); 1214 else 1215 printf("%lu Bit/s", baudrate); 1216} 1217 1218int 1219show_fib_interface_msg(struct imsg *imsg) 1220{ 1221 struct kif *k; 1222 int ifms_type; 1223 1224 switch (imsg->hdr.type) { 1225 case IMSG_CTL_IFINFO: 1226 k = imsg->data; 1227 printf("%-15s", k->ifname); 1228 printf("%-15s", k->flags & IFF_UP ? "UP" : ""); 1229 switch (k->media_type) { 1230 case IFT_ETHER: 1231 ifms_type = IFM_ETHER; 1232 break; 1233 case IFT_FDDI: 1234 ifms_type = IFM_FDDI; 1235 break; 1236 case IFT_ISO88025: 1237 ifms_type = IFM_TOKEN; 1238 break; 1239 case IFT_CARP: 1240 ifms_type = IFM_CARP; 1241 break; 1242 default: 1243 ifms_type = 0; 1244 break; 1245 } 1246 1247 if (ifms_type) 1248 printf("%s, %s", get_media_descr(ifms_type), 1249 get_linkstate(ifms_type, k->link_state)); 1250 else if (k->link_state == LINK_STATE_UNKNOWN) 1251 printf("unknown"); 1252 else 1253 printf("link state %u", k->link_state); 1254 1255 if (k->link_state != LINK_STATE_DOWN && k->baudrate > 0) { 1256 printf(", "); 1257 print_baudrate(k->baudrate); 1258 } 1259 printf("\n"); 1260 break; 1261 case IMSG_CTL_END: 1262 printf("\n"); 1263 return (1); 1264 default: 1265 break; 1266 } 1267 1268 return (0); 1269} 1270