1 /* 2 * Copyright (c) 1983, 1993 3 * The Regents of the University of California. 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 * 3. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $FreeBSD: src/sbin/ifconfig/ifconfig.c,v 1.113.2.4 2006/02/09 10:48:43 yar Exp $ 30 */ 31 32 #include <sys/param.h> 33 #include <sys/ioctl.h> 34 #include <sys/socket.h> 35 #include <sys/sysctl.h> 36 #include <sys/time.h> 37 #include <sys/module.h> 38 #include <sys/linker.h> 39 #include <sys/cdefs.h> 40 #include <sys/queue.h> 41 42 #include <net/ethernet.h> 43 #include <net/if.h> 44 #include <net/if_var.h> 45 #include <net/if_dl.h> 46 #include <net/if_types.h> 47 #include <net/route.h> 48 49 /* IP */ 50 #include <netinet/in.h> 51 #include <netinet/in_var.h> 52 #include <arpa/inet.h> 53 #include <netdb.h> 54 55 #include <ctype.h> 56 #include <err.h> 57 #include <errno.h> 58 #include <fcntl.h> 59 #include <fnmatch.h> 60 #include <ifaddrs.h> 61 #include <stdbool.h> 62 #include <stdio.h> 63 #include <stdlib.h> 64 #include <string.h> 65 #include <unistd.h> 66 67 #include "ifconfig.h" 68 69 /* 70 * Since "struct ifreq" is composed of various union members, callers 71 * should pay special attention to interpret the value. 72 * (.e.g. little/big endian difference in the structure.) 73 */ 74 struct ifreq ifr; 75 76 char name[IFNAMSIZ]; 77 char *descr = NULL; 78 size_t descrlen = 64; 79 int setaddr; 80 int setmask; 81 int doalias; 82 int clearaddr; 83 int newaddr = 1; 84 int verbose; 85 int noload; 86 87 int supmedia = 0; 88 int printkeys = 0; /* Print keying material for interfaces. */ 89 int printifname = 0; /* Print the name of the created interface. */ 90 int exit_code = 0; 91 92 /* Formatter strings */ 93 char *f_inet, *f_inet6, *f_ether, *f_addr; 94 95 static bool group_member(const char *ifname, const char *match, 96 const char *nomatch); 97 static int ifconfig(int argc, char *const *argv, int iscreate, 98 const struct afswtch *afp); 99 static void status(const struct afswtch *afp, const struct sockaddr_dl *sdl, 100 struct ifaddrs *ifa); 101 static void tunnel_status(int s); 102 static void usage(void) __dead2; 103 104 static int getifflags(const char *ifname, int us); 105 static struct afswtch *af_getbyname(const char *name); 106 static struct afswtch *af_getbyfamily(int af); 107 static void af_other_status(int); 108 static void printifnamemaybe(void); 109 static void freeformat(void); 110 static void setformat(char *input); 111 112 static struct option *opts = NULL; 113 114 struct ifa_order_elt { 115 int if_order; 116 int af_orders[255]; 117 struct ifaddrs *ifa; 118 TAILQ_ENTRY(ifa_order_elt) link; 119 }; 120 TAILQ_HEAD(ifa_queue, ifa_order_elt); 121 122 static int calcorders(struct ifaddrs *ifa, struct ifa_queue *q); 123 static int cmpifaddrs(struct ifaddrs *a, struct ifaddrs *b, 124 struct ifa_queue *q); 125 typedef int (*ifaddrs_cmp)(struct ifaddrs *, struct ifaddrs *, struct ifa_queue *); 126 static struct ifaddrs *sortifaddrs(struct ifaddrs *list, ifaddrs_cmp compare, 127 struct ifa_queue *q); 128 129 130 void 131 opt_register(struct option *p) 132 { 133 p->next = opts; 134 opts = p; 135 } 136 137 static void 138 usage(void) 139 { 140 char options[1024]; 141 struct option *p; 142 143 /* XXX not right but close enough for now */ 144 options[0] = '\0'; 145 for (p = opts; p != NULL; p = p->next) { 146 strlcat(options, p->opt_usage, sizeof(options)); 147 strlcat(options, " ", sizeof(options)); 148 } 149 150 fprintf(stderr, 151 "usage: ifconfig %s[-n] [-f type:format] interface address_family\n" 152 " [address [dest_address]] [parameters]\n" 153 " ifconfig [-n] interface create\n" 154 " ifconfig [-n] interface destroy\n" 155 " ifconfig -a %s[-G nogroup] [-d | -u] [-m] [-v] [address_family]\n" 156 " ifconfig -l [-d | -u] [address_family]\n" 157 " ifconfig %s[-d | -u] [-m] [-v]\n", 158 options, options, options); 159 exit(1); 160 } 161 162 static int 163 calcorders(struct ifaddrs *ifa, struct ifa_queue *q) 164 { 165 struct ifaddrs *prev; 166 struct ifa_order_elt *cur; 167 unsigned int ord, af, ifa_ord; 168 169 prev = NULL; 170 cur = NULL; 171 ord = 0; 172 ifa_ord = 0; 173 174 while (ifa != NULL) { 175 if (prev == NULL || 176 strcmp(ifa->ifa_name, prev->ifa_name) != 0) { 177 cur = calloc(1, sizeof(*cur)); 178 if (cur == NULL) 179 return (-1); 180 181 TAILQ_INSERT_TAIL(q, cur, link); 182 cur->if_order = ifa_ord++; 183 cur->ifa = ifa; 184 ord = 0; 185 } 186 187 if (ifa->ifa_addr) { 188 af = ifa->ifa_addr->sa_family; 189 190 if (af < nitems(cur->af_orders) && 191 cur->af_orders[af] == 0) 192 cur->af_orders[af] = ++ord; 193 } 194 195 prev = ifa; 196 ifa = ifa->ifa_next; 197 } 198 199 return (0); 200 } 201 202 static int 203 cmpifaddrs(struct ifaddrs *a, struct ifaddrs *b, struct ifa_queue *q) 204 { 205 struct ifa_order_elt *cur, *e1, *e2; 206 unsigned int af1, af2; 207 208 e1 = e2 = NULL; 209 210 if (strcmp(a->ifa_name, b->ifa_name) != 0) { 211 TAILQ_FOREACH(cur, q, link) { 212 if (e1 != NULL && e2 != NULL) 213 break; 214 215 if (strcmp(cur->ifa->ifa_name, a->ifa_name) == 0) 216 e1 = cur; 217 else if (strcmp(cur->ifa->ifa_name, b->ifa_name) == 0) 218 e2 = cur; 219 } 220 221 if (e1 == NULL || e2 == NULL) 222 return (0); 223 else 224 return (e1->if_order - e2->if_order); 225 226 } else if (a->ifa_addr != NULL && b->ifa_addr != NULL) { 227 TAILQ_FOREACH(cur, q, link) { 228 if (strcmp(cur->ifa->ifa_name, a->ifa_name) == 0) { 229 e1 = cur; 230 break; 231 } 232 } 233 234 if (e1 == NULL) 235 return (0); 236 237 af1 = a->ifa_addr->sa_family; 238 af2 = b->ifa_addr->sa_family; 239 240 if (af1 < nitems(e1->af_orders) && af2 < nitems(e1->af_orders)) 241 return (e1->af_orders[af1] - e1->af_orders[af2]); 242 } 243 244 return (0); 245 } 246 247 static struct ifaddrs * 248 sortifaddrs(struct ifaddrs *list, ifaddrs_cmp compare, struct ifa_queue *q) 249 { 250 struct ifaddrs *right, *temp, *last, *result, *next, *tail; 251 252 right = temp = last = list; 253 result = next = tail = NULL; 254 255 if (list == NULL || list->ifa_next == NULL) 256 return (list); 257 258 while (temp != NULL && temp->ifa_next != NULL) { 259 last = right; 260 right = right->ifa_next; 261 temp = temp->ifa_next->ifa_next; 262 } 263 264 last->ifa_next = NULL; 265 266 list = sortifaddrs(list, compare, q); 267 right = sortifaddrs(right, compare, q); 268 269 while (list != NULL || right != NULL) { 270 if (right == NULL) { 271 next = list; 272 list = list->ifa_next; 273 } else if (list == NULL) { 274 next = right; 275 right = right->ifa_next; 276 } else if (compare(list, right, q) <= 0) { 277 next = list; 278 list = list->ifa_next; 279 } else { 280 next = right; 281 right = right->ifa_next; 282 } 283 284 if (result == NULL) 285 result = next; 286 else 287 tail->ifa_next = next; 288 289 tail = next; 290 } 291 292 return (result); 293 } 294 295 static void 296 printifnamemaybe(void) 297 { 298 if (printifname) 299 printf("%s\n", name); 300 } 301 302 static void 303 freeformat(void) 304 { 305 if (f_inet != NULL) 306 free(f_inet); 307 if (f_inet6 != NULL) 308 free(f_inet6); 309 if (f_ether != NULL) 310 free(f_ether); 311 if (f_addr != NULL) 312 free(f_addr); 313 } 314 315 static void 316 setformat(char *input) 317 { 318 char *formatstr, *category, *modifier; 319 char **fp; 320 321 formatstr = strdup(input); 322 if (formatstr == NULL) 323 err(1, "no memory to set format"); 324 325 while ((category = strsep(&formatstr, ",")) != NULL) { 326 modifier = strchr(category, ':'); 327 if (modifier == NULL || modifier[1] == '\0') { 328 warnx("skip invalid format specification: %s\n", 329 category); 330 continue; 331 } 332 333 modifier[0] = '\0'; 334 modifier++; 335 336 fp = NULL; 337 if (strcmp(category, "addr") == 0) 338 fp = &f_addr; 339 else if (strcmp(category, "ether") == 0) 340 fp = &f_ether; 341 else if (strcmp(category, "inet") == 0) 342 fp = &f_inet; 343 else if (strcmp(category, "inet6") == 0) 344 fp = &f_inet6; 345 346 if (fp != NULL) { 347 *fp = strdup(modifier); 348 if (*fp == NULL) 349 err(1, "strdup"); 350 } 351 } 352 353 free(formatstr); 354 } 355 356 357 int 358 main(int argc, char *argv[]) 359 { 360 int c, all, namesonly, downonly, uponly; 361 int ifindex, flags; 362 const struct afswtch *afp = NULL; 363 const struct sockaddr_dl *sdl; 364 const char *ifname, *matchgroup, *nogroup; 365 struct ifa_order_elt *cur, *tmp; 366 struct ifa_queue q = TAILQ_HEAD_INITIALIZER(q); 367 struct ifaddrs *ifap, *sifap, *ifa; 368 struct ifreq paifr; 369 struct option *p; 370 size_t iflen; 371 char *envformat, *cp; 372 char options[1024]; 373 374 all = downonly = uponly = namesonly = verbose = noload = 0; 375 f_inet = f_inet6 = f_ether = f_addr = NULL; 376 matchgroup = nogroup = NULL; 377 378 /* 379 * Ensure we print interface name when expected to, 380 * even if we terminate early due to error. 381 */ 382 atexit(printifnamemaybe); 383 384 envformat = getenv("IFCONFIG_FORMAT"); 385 if (envformat != NULL) 386 setformat(envformat); 387 388 /* Parse leading line options */ 389 strlcpy(options, "adf:G:klmnuv", sizeof(options)); 390 for (p = opts; p != NULL; p = p->next) 391 strlcat(options, p->opt, sizeof(options)); 392 while ((c = getopt(argc, argv, options)) != -1) { 393 switch (c) { 394 case 'a': /* scan all interfaces */ 395 all++; 396 break; 397 case 'd': /* restrict scan to "down" interfaces */ 398 downonly++; 399 break; 400 case 'f': 401 setformat(optarg); 402 break; 403 case 'G': 404 if (!all) 405 usage(); 406 nogroup = optarg; 407 break; 408 case 'k': 409 printkeys++; 410 break; 411 case 'l': /* scan interface names only */ 412 namesonly++; 413 break; 414 case 'm': /* show media choices in status */ 415 supmedia = 1; 416 break; 417 case 'n': /* suppress module loading */ 418 noload++; 419 break; 420 case 'u': /* restrict scan to "up" interfaces */ 421 uponly++; 422 break; 423 case 'v': 424 verbose++; 425 break; 426 case 'g': 427 if (all) { 428 matchgroup = optarg; 429 break; 430 } 431 /* FALLTHROUGH (for ifgroup) */ 432 default: 433 for (p = opts; p != NULL; p = p->next) 434 if (p->opt[0] == c) { 435 p->cb(optarg); 436 break; 437 } 438 if (p == NULL) 439 usage(); 440 break; 441 } 442 } 443 argc -= optind; 444 argv += optind; 445 446 /* -l cannot be used with -a or -m */ 447 if (namesonly && (all || supmedia)) 448 usage(); 449 450 /* nonsense.. */ 451 if (uponly && downonly) 452 usage(); 453 454 /* no arguments is equivalent to '-a' */ 455 if (!namesonly && argc < 1) 456 all = 1; 457 458 /* -a and -l allow an address family arg to limit the output */ 459 if (all || namesonly) { 460 if (argc > 1) 461 usage(); 462 463 ifname = NULL; 464 ifindex = 0; 465 if (argc == 1) { 466 afp = af_getbyname(*argv); 467 if (afp == NULL) 468 usage(); 469 if (afp->af_name != NULL) 470 argc--, argv++; 471 /* leave with afp non-zero */ 472 } 473 } else { 474 /* not listing, need an argument */ 475 if (argc < 1) 476 usage(); 477 478 ifname = *argv; 479 argc--, argv++; 480 481 /* check and maybe load support for this interface */ 482 ifmaybeload(ifname); 483 484 ifindex = if_nametoindex(ifname); 485 if (ifindex == 0) { 486 /* 487 * NOTE: We must special-case the `create' command 488 * right here as we would otherwise fail when trying 489 * to find the interface. 490 */ 491 if (argc > 0 && (strcmp(argv[0], "create") == 0 || 492 strcmp(argv[0], "plumb") == 0)) { 493 iflen = strlcpy(name, ifname, sizeof(name)); 494 if (iflen >= sizeof(name)) 495 errx(1, "%s: cloning name too long", 496 ifname); 497 ifconfig(argc, argv, 1, NULL); 498 exit(exit_code); 499 } 500 errx(1, "interface %s does not exist", ifname); 501 } else { 502 /* 503 * Do not allow to use `create` command as hostname 504 * if address family is not specified. 505 */ 506 if (argc > 0 && (strcmp(argv[0], "create") == 0 || 507 strcmp(argv[0], "plumb") == 0)) { 508 if (argc == 1) 509 errx(1, "interface %s already exists", 510 ifname); 511 argc--, argv++; 512 } 513 } 514 } 515 516 /* Check for address family */ 517 if (argc > 0) { 518 afp = af_getbyname(*argv); 519 if (afp != NULL) 520 argc--, argv++; 521 } 522 523 /* 524 * Check for a requested configuration action on a single interface, 525 * which doesn't require building, sorting, and searching the entire 526 * system address list. 527 */ 528 if (argc > 0 && ifname != NULL) { 529 iflen = strlcpy(name, ifname, sizeof(name)); 530 if (iflen >= sizeof(name)) 531 errx(1, "%s: cloning name too long", ifname); 532 533 flags = getifflags(name, -1); 534 if (!((downonly && (flags & IFF_UP) != 0) || 535 (uponly && (flags & IFF_UP) == 0))) { 536 ifconfig(argc, argv, 0, afp); 537 } 538 539 exit(exit_code); 540 } 541 542 if (getifaddrs(&ifap) != 0) 543 err(1, "getifaddrs"); 544 if (calcorders(ifap, &q) != 0) 545 err(1, "calcorders"); 546 sifap = sortifaddrs(ifap, cmpifaddrs, &q); 547 548 TAILQ_FOREACH_MUTABLE(cur, &q, link, tmp) 549 free(cur); 550 551 cp = NULL; 552 ifindex = 0; 553 for (ifa = sifap; ifa != NULL; ifa = ifa->ifa_next) { 554 memset(&paifr, 0, sizeof(paifr)); 555 strlcpy(paifr.ifr_name, ifa->ifa_name, sizeof(paifr.ifr_name)); 556 if (sizeof(paifr.ifr_addr) >= ifa->ifa_addr->sa_len) { 557 memcpy(&paifr.ifr_addr, ifa->ifa_addr, 558 ifa->ifa_addr->sa_len); 559 } 560 561 if (ifname != NULL && strcmp(ifname, ifa->ifa_name) != 0) 562 continue; 563 if (cp != NULL && strcmp(cp, ifa->ifa_name) == 0) 564 continue; 565 iflen = strlcpy(name, ifa->ifa_name, sizeof(name)); 566 if (iflen >= sizeof(name)) { 567 warnx("%s: interface name too long, skipping", 568 ifa->ifa_name); 569 continue; 570 } 571 cp = ifa->ifa_name; 572 573 if (downonly && (ifa->ifa_flags & IFF_UP) != 0) 574 continue; 575 if (uponly && (ifa->ifa_flags & IFF_UP) == 0) 576 continue; 577 if (!group_member(ifa->ifa_name, matchgroup, nogroup)) 578 continue; 579 580 if (ifa->ifa_addr->sa_family == AF_LINK) 581 sdl = (const struct sockaddr_dl *)ifa->ifa_addr; 582 else 583 sdl = NULL; 584 585 /* Are we just listing the interfaces? */ 586 if (namesonly) { 587 if (afp == NULL || 588 afp->af_af != AF_LINK || 589 (sdl != NULL && sdl->sdl_type == IFT_ETHER)) { 590 printf("%s%s", (ifindex > 0 ? " " : ""), name); 591 ifindex++; 592 } 593 continue; 594 } 595 596 if (argc > 0) 597 ifconfig(argc, argv, 0, afp); 598 else 599 status(afp, sdl, ifa); 600 } 601 602 if (namesonly) 603 putchar('\n'); 604 605 freeifaddrs(ifap); 606 freeformat(); 607 608 return (exit_code); 609 } 610 611 612 /* 613 * Returns true if an interface should be listed because any its groups 614 * matches shell pattern "match" and none of groups matches pattern "nomatch". 615 * If any pattern is NULL, corresponding condition is skipped. 616 */ 617 static bool 618 group_member(const char *ifname, const char *match, const char *nomatch) 619 { 620 static int sock = -1; 621 622 struct ifgroupreq ifgr; 623 struct ifg_req *ifg; 624 size_t len; 625 bool matched, nomatched; 626 627 /* Sanity checks. */ 628 if (match == NULL && nomatch == NULL) 629 return (true); 630 if (ifname == NULL) 631 return (false); 632 633 memset(&ifgr, 0, sizeof(ifgr)); 634 strlcpy(ifgr.ifgr_name, ifname, sizeof(ifgr.ifgr_name)); 635 636 /* The socket is opened once. Let _exit() close it. */ 637 if (sock == -1) { 638 sock = socket(AF_LOCAL, SOCK_DGRAM, 0); 639 if (sock == -1) 640 errx(1, "%s: socket(AF_LOCAL,SOCK_DGRAM)", __func__); 641 } 642 643 /* Determine amount of memory for the list of groups. */ 644 if (ioctl(sock, SIOCGIFGROUP, (caddr_t)&ifgr) == -1) { 645 if (errno == EINVAL || errno == ENOTTY) 646 return (false); 647 else 648 errx(1, "%s: SIOCGIFGROUP", __func__); 649 } 650 651 /* Obtain the list of groups. */ 652 len = ifgr.ifgr_len; 653 ifgr.ifgr_groups = 654 (struct ifg_req *)calloc(len / sizeof(*ifg), sizeof(*ifg)); 655 if (ifgr.ifgr_groups == NULL) 656 errx(1, "%s: no memory", __func__); 657 if (ioctl(sock, SIOCGIFGROUP, (caddr_t)&ifgr) == -1) 658 errx(1, "%s: SIOCGIFGROUP", __func__); 659 660 /* Perform matching. */ 661 matched = false; 662 nomatched = true; 663 for (ifg = ifgr.ifgr_groups; ifg && len >= sizeof(*ifg); ifg++) { 664 len -= sizeof(struct ifg_req); 665 if (match) 666 matched |= !fnmatch(match, ifg->ifgrq_group, 0); 667 if (nomatch) 668 nomatched &= fnmatch(nomatch, ifg->ifgrq_group, 0); 669 } 670 671 if (match && !nomatch) 672 return (matched); 673 if (!match && nomatch) 674 return (nomatched); 675 return (matched && nomatched); 676 } 677 678 679 static struct afswtch *afs = NULL; 680 681 void 682 af_register(struct afswtch *p) 683 { 684 p->af_next = afs; 685 afs = p; 686 } 687 688 static struct afswtch * 689 af_getbyname(const char *name) 690 { 691 struct afswtch *afp; 692 693 for (afp = afs; afp != NULL; afp = afp->af_next) 694 if (strcmp(afp->af_name, name) == 0) 695 return afp; 696 return NULL; 697 } 698 699 static struct afswtch * 700 af_getbyfamily(int af) 701 { 702 struct afswtch *afp; 703 704 for (afp = afs; afp != NULL; afp = afp->af_next) 705 if (afp->af_af == af) 706 return afp; 707 return NULL; 708 } 709 710 static void 711 af_other_status(int s) 712 { 713 struct afswtch *afp; 714 uint8_t afmask[howmany(AF_MAX, NBBY)]; 715 716 memset(afmask, 0, sizeof(afmask)); 717 for (afp = afs; afp != NULL; afp = afp->af_next) { 718 if (afp->af_other_status == NULL) 719 continue; 720 if (afp->af_af != AF_UNSPEC && isset(afmask, afp->af_af)) 721 continue; 722 afp->af_other_status(s); 723 setbit(afmask, afp->af_af); 724 } 725 } 726 727 static void 728 af_all_tunnel_status(int s) 729 { 730 struct afswtch *afp; 731 uint8_t afmask[howmany(AF_MAX, NBBY)]; 732 733 memset(afmask, 0, sizeof(afmask)); 734 for (afp = afs; afp != NULL; afp = afp->af_next) { 735 if (afp->af_status_tunnel == NULL) 736 continue; 737 if (afp->af_af != AF_UNSPEC && isset(afmask, afp->af_af)) 738 continue; 739 afp->af_status_tunnel(s); 740 setbit(afmask, afp->af_af); 741 } 742 } 743 744 static struct cmd *cmds = NULL; 745 746 void 747 cmd_register(struct cmd *p) 748 { 749 p->c_next = cmds; 750 cmds = p; 751 } 752 753 static const struct cmd * 754 cmd_lookup(const char *name, int iscreate) 755 { 756 const struct cmd *p; 757 758 for (p = cmds; p != NULL; p = p->c_next) { 759 if (strcmp(name, p->c_name) == 0) { 760 if (iscreate) { 761 if (p->c_iscloneop) 762 return p; 763 } else { 764 if (!p->c_iscloneop) 765 return p; 766 } 767 } 768 } 769 770 return NULL; 771 } 772 773 struct callback { 774 callback_func *cb_func; 775 void *cb_arg; 776 struct callback *cb_next; 777 }; 778 static struct callback *callbacks = NULL; 779 780 void 781 callback_register(callback_func *func, void *arg) 782 { 783 struct callback *cb; 784 785 cb = malloc(sizeof(struct callback)); 786 if (cb == NULL) 787 errx(1, "unable to allocate memory for callback"); 788 cb->cb_func = func; 789 cb->cb_arg = arg; 790 cb->cb_next = callbacks; 791 callbacks = cb; 792 } 793 794 /* specially-handled commands */ 795 static void setifaddr(const char *, int, int, const struct afswtch *); 796 static const struct cmd setifaddr_cmd = DEF_CMD("ifaddr", 0, setifaddr); 797 798 static void setifdstaddr(const char *, int, int, const struct afswtch *); 799 static const struct cmd setifdstaddr_cmd = 800 DEF_CMD("ifdstaddr", 0, setifdstaddr); 801 802 static int 803 ifconfig(int argc, char *const *argv, int iscreate, 804 const struct afswtch *uafp) 805 { 806 const struct afswtch *afp, *nafp; 807 struct callback *cb; 808 int s; 809 810 strlcpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 811 afp = uafp != NULL ? uafp : af_getbyname("inet"); 812 top: 813 ifr.ifr_addr.sa_family = 814 afp->af_af == AF_LINK || afp->af_af == AF_UNSPEC ? 815 AF_LOCAL : afp->af_af; 816 817 if ((s = socket(ifr.ifr_addr.sa_family, SOCK_DGRAM, 0)) < 0 && 818 (uafp != NULL || errno != EAFNOSUPPORT || 819 (s = socket(AF_LOCAL, SOCK_DGRAM, 0)) < 0)) 820 err(1, "socket(family %u,SOCK_DGRAM)", ifr.ifr_addr.sa_family); 821 822 while (argc > 0) { 823 const struct cmd *p; 824 825 p = cmd_lookup(*argv, iscreate); 826 827 if (iscreate && p == NULL) { 828 /* 829 * Push the clone create callback so the new 830 * device is created and can be used for any 831 * remaining arguments. 832 */ 833 cb = callbacks; 834 if (cb == NULL) 835 errx(1, "internal error, no callback"); 836 callbacks = cb->cb_next; 837 cb->cb_func(s, cb->cb_arg); 838 iscreate = 0; 839 840 /* 841 * After cloning, make sure we have an up-to-date name 842 * in ifr_name. 843 */ 844 strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 845 846 /* 847 * Handle any address family spec that 848 * immediately follows and potentially 849 * recreate the socket. 850 */ 851 nafp = af_getbyname(*argv); 852 if (nafp != NULL) { 853 argc--, argv++; 854 if (nafp != afp) { 855 close(s); 856 afp = nafp; 857 goto top; 858 } 859 } 860 /* 861 * Look for a normal parameter. 862 */ 863 continue; 864 } 865 if (p == NULL) { 866 /* 867 * Not a recognized command, choose between setting 868 * the interface address and the dst address. 869 */ 870 p = (setaddr ? &setifdstaddr_cmd : &setifaddr_cmd); 871 } 872 if (p->c_u.c_func || p->c_u.c_func2) { 873 if (p->c_parameter == NEXTARG) { 874 if (argv[1] == NULL) 875 errx(1, "'%s' requires argument", 876 p->c_name); 877 p->c_u.c_func(argv[1], 0, s, afp); 878 argc--, argv++; 879 } else if (p->c_parameter == OPTARG) { 880 p->c_u.c_func(argv[1], 0, s, afp); 881 if (argv[1] != NULL) 882 argc--, argv++; 883 } else if (p->c_parameter == NEXTARG2) { 884 if (argc < 3) 885 errx(1, "'%s' requires 2 arguments", 886 p->c_name); 887 p->c_u.c_func2(argv[1], argv[2], s, afp); 888 argc -= 2, argv += 2; 889 } else 890 p->c_u.c_func(*argv, p->c_parameter, s, afp); 891 } 892 argc--, argv++; 893 } 894 895 /* 896 * Do any post argument processing required by the address family. 897 */ 898 if (afp->af_postproc != NULL) 899 afp->af_postproc(s, afp); 900 /* 901 * Do deferred callbacks registered while processing 902 * command-line arguments. 903 */ 904 for (cb = callbacks; cb != NULL; cb = cb->cb_next) 905 cb->cb_func(s, cb->cb_arg); 906 /* 907 * Do deferred operations. 908 */ 909 if (clearaddr) { 910 if (afp->af_ridreq == NULL || afp->af_difaddr == 0) { 911 warnx("interface %s cannot change %s addresses!", 912 name, afp->af_name); 913 clearaddr = 0; 914 } 915 } 916 if (clearaddr) { 917 int ret; 918 strlcpy(afp->af_ridreq, name, sizeof ifr.ifr_name); 919 ret = ioctl(s, afp->af_difaddr, afp->af_ridreq); 920 if (ret < 0) { 921 if (errno == EADDRNOTAVAIL && (doalias >= 0)) { 922 /* means no previous address for interface */ 923 } else 924 Perror("ioctl (SIOCDIFADDR)"); 925 } 926 } 927 if (newaddr) { 928 if (afp->af_addreq == NULL || afp->af_aifaddr == 0) { 929 warnx("interface %s cannot change %s addresses!", 930 name, afp->af_name); 931 newaddr = 0; 932 } 933 } 934 if (newaddr && (setaddr || setmask)) { 935 strlcpy(afp->af_addreq, name, sizeof ifr.ifr_name); 936 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) < 0) 937 Perror("ioctl (SIOCAIFADDR)"); 938 } 939 940 close(s); 941 return (0); 942 } 943 944 /*ARGSUSED*/ 945 static void 946 setifaddr(const char *addr, int param, int s, const struct afswtch *afp) 947 { 948 if (afp->af_getaddr == NULL) 949 return; 950 /* 951 * Delay the ioctl to set the interface addr until flags are all set. 952 * The address interpretation may depend on the flags, 953 * and the flags may change when the address is set. 954 */ 955 setaddr++; 956 if (doalias == 0 && afp->af_af != AF_LINK) 957 clearaddr = 1; 958 afp->af_getaddr(addr, (doalias >= 0 ? ADDR : RIDADDR)); 959 } 960 961 static void 962 settunnel(const char *src, const char *dst, int s, const struct afswtch *afp) 963 { 964 struct addrinfo *srcres, *dstres; 965 int ecode; 966 967 if (afp->af_settunnel == NULL) { 968 warn("address family %s does not support tunnel setup", 969 afp->af_name); 970 return; 971 } 972 973 if ((ecode = getaddrinfo(src, NULL, NULL, &srcres)) != 0) 974 errx(1, "error in parsing address string: %s", 975 gai_strerror(ecode)); 976 977 if ((ecode = getaddrinfo(dst, NULL, NULL, &dstres)) != 0) 978 errx(1, "error in parsing address string: %s", 979 gai_strerror(ecode)); 980 981 if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family) 982 errx(1, 983 "source and destination address families do not match"); 984 985 afp->af_settunnel(s, srcres, dstres); 986 987 freeaddrinfo(srcres); 988 freeaddrinfo(dstres); 989 } 990 991 /* ARGSUSED */ 992 static void 993 deletetunnel(const char *vname, int param, int s, const struct afswtch *afp) 994 { 995 996 if (ioctl(s, SIOCDIFPHYADDR, &ifr) < 0) 997 err(1, "SIOCDIFPHYADDR"); 998 } 999 1000 static void 1001 setifnetmask(const char *addr, int dummy __unused, int s, 1002 const struct afswtch *afp) 1003 { 1004 if (afp->af_getaddr != NULL) { 1005 setmask++; 1006 afp->af_getaddr(addr, MASK); 1007 } 1008 } 1009 1010 static void 1011 setifbroadaddr(const char *addr, int dummy __unused, int s, 1012 const struct afswtch *afp) 1013 { 1014 if (afp->af_getaddr != NULL) 1015 afp->af_getaddr(addr, DSTADDR); 1016 } 1017 1018 static void 1019 notealias(const char *addr, int param, int s, const struct afswtch *afp) 1020 { 1021 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 1022 if (setaddr && doalias == 0 && param < 0) 1023 if (afp->af_addreq != NULL && afp->af_ridreq != NULL) 1024 bcopy((caddr_t)rqtosa(af_addreq), 1025 (caddr_t)rqtosa(af_ridreq), 1026 rqtosa(af_addreq)->sa_len); 1027 doalias = param; 1028 if (param < 0) { 1029 clearaddr = 1; 1030 newaddr = 0; 1031 } else { 1032 clearaddr = 0; 1033 } 1034 #undef rqtosa 1035 } 1036 1037 /*ARGSUSED*/ 1038 static void 1039 setifdstaddr(const char *addr, int param __unused, int s, 1040 const struct afswtch *afp) 1041 { 1042 if (afp->af_getaddr != NULL) 1043 afp->af_getaddr(addr, DSTADDR); 1044 } 1045 1046 static int 1047 getifflags(const char *ifname, int us) 1048 { 1049 struct ifreq my_ifr; 1050 int s; 1051 1052 memset(&my_ifr, 0, sizeof(struct ifreq)); 1053 strlcpy(my_ifr.ifr_name, ifname, sizeof(my_ifr.ifr_name)); 1054 1055 s = us; 1056 if (us < 0) { 1057 if ((s = socket(AF_LOCAL, SOCK_DGRAM, 0)) < 0) 1058 err(1, "socket(family AF_LOCAL,SOCK_DGRAM)"); 1059 } 1060 1061 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&my_ifr) < 0) 1062 Perror("ioctl (SIOCGIFFLAGS)"); 1063 1064 if (us < 0) 1065 close(s); 1066 1067 return ((my_ifr.ifr_flags & 0xffff) | (my_ifr.ifr_flagshigh << 16)); 1068 } 1069 1070 static void 1071 setifflags(const char *vname, int value, int s, const struct afswtch *afp) 1072 { 1073 struct ifreq my_ifr; 1074 int flags; 1075 1076 flags = getifflags(name, s); 1077 if (value < 0) { 1078 value = -value; 1079 flags &= ~value; 1080 } else { 1081 flags |= value; 1082 } 1083 1084 memset(&my_ifr, 0, sizeof(struct ifreq)); 1085 strlcpy(my_ifr.ifr_name, name, sizeof(my_ifr.ifr_name)); 1086 my_ifr.ifr_flags = flags & 0xffff; 1087 my_ifr.ifr_flagshigh = flags >> 16; 1088 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&my_ifr) < 0) 1089 Perror(vname); 1090 } 1091 1092 void 1093 setifcap(const char *vname, int value, int s, const struct afswtch *afp) 1094 { 1095 int flags; 1096 1097 if (ioctl(s, SIOCGIFCAP, (caddr_t)&ifr) < 0) 1098 Perror("ioctl (SIOCGIFCAP)"); 1099 1100 flags = ifr.ifr_curcap; 1101 if (value < 0) { 1102 value = -value; 1103 flags &= ~value; 1104 } else { 1105 flags |= value; 1106 } 1107 ifr.ifr_reqcap = flags; 1108 if (ioctl(s, SIOCSIFCAP, (caddr_t)&ifr) < 0) 1109 Perror(vname); 1110 } 1111 1112 static void 1113 setifmetric(const char *val, int dummy __unused, int s, 1114 const struct afswtch *afp) 1115 { 1116 strlcpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1117 ifr.ifr_metric = atoi(val); 1118 if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) < 0) 1119 err(1, "ioctl SIOCSIFMETRIC (set metric)"); 1120 } 1121 1122 static void 1123 setifmtu(const char *val, int dummy __unused, int s, 1124 const struct afswtch *afp) 1125 { 1126 strlcpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1127 ifr.ifr_mtu = atoi(val); 1128 if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) < 0) 1129 err(1, "ioctl SIOCSIFMTU (set mtu)"); 1130 } 1131 1132 static void 1133 setiftsolen(const char *val, int dummy __unused, int s, 1134 const struct afswtch *afp) 1135 { 1136 strlcpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1137 ifr.ifr_tsolen = atoi(val); 1138 if (ioctl(s, SIOCSIFTSOLEN, (caddr_t)&ifr) < 0) 1139 err(1, "ioctl SIOCSIFTSOLEN (set tsolen)"); 1140 } 1141 1142 static void 1143 setifname(const char *val, int dummy __unused, int s, 1144 const struct afswtch *afp) 1145 { 1146 char *newname; 1147 1148 strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1149 1150 newname = strdup(val); 1151 if (newname == NULL) 1152 err(1, "no memory to set ifname"); 1153 ifr.ifr_data = newname; 1154 if (ioctl(s, SIOCSIFNAME, (caddr_t)&ifr) < 0) { 1155 free(newname); 1156 err(1, "ioctl SIOCSIFNAME (set name)"); 1157 } 1158 printifname = 1; 1159 strlcpy(name, newname, sizeof(name)); 1160 free(newname); 1161 } 1162 1163 static void 1164 setifpollcpu(const char *val, int dummy __unused, int s, 1165 const struct afswtch *afp) 1166 { 1167 warnx("pollcpu is deprecated, use polling or npolling instead"); 1168 setifflags("npolling", IFF_NPOLLING, s, afp); 1169 } 1170 1171 static void 1172 setifdescr(const char *val, int dummy __unused, int s, 1173 const struct afswtch *afp __unused) 1174 { 1175 char *newdescr; 1176 1177 ifr.ifr_buffer.length = strlen(val) + 1; 1178 if (ifr.ifr_buffer.length == 1) { 1179 ifr.ifr_buffer.buffer = newdescr = NULL; 1180 ifr.ifr_buffer.length = 0; 1181 } else { 1182 newdescr = strdup(val); 1183 ifr.ifr_buffer.buffer = newdescr; 1184 if (newdescr == NULL) { 1185 warn("no memory to set ifdescr"); 1186 return; 1187 } 1188 } 1189 1190 if (ioctl(s, SIOCSIFDESCR, (caddr_t)&ifr) < 0) 1191 warn("ioctl (set descr)"); 1192 1193 free(newdescr); 1194 } 1195 1196 static void 1197 unsetifdescr(const char *val, int dummy __unused, int s, 1198 const struct afswtch *afp __unused) 1199 { 1200 setifdescr("", 0, s, 0); 1201 } 1202 1203 #define IFFBITS \ 1204 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6SMART\7RUNNING" \ 1205 "\10NOARP\11PROMISC\12ALLMULTI\14SIMPLEX\15LINK0\16LINK1\17LINK2" \ 1206 "\20MULTICAST\22PPROMISC\23MONITOR\24STATICARP\25NPOLLING\26IDIRECT" 1207 1208 #define IFCAPBITS \ 1209 "\020\1RXCSUM\2TXCSUM\3NETCONS\4VLAN_MTU\5VLAN_HWTAGGING\6JUMBO_MTU\7RSS" \ 1210 "\10VLAN_HWCSUM\11TSO" 1211 1212 /* 1213 * Print the status of the interface. If an address family was 1214 * specified, show only it; otherwise, show them all. 1215 */ 1216 static void 1217 status(const struct afswtch *afp, const struct sockaddr_dl *sdl, 1218 struct ifaddrs *ifa) 1219 { 1220 struct ifaddrs *ift; 1221 int allfamilies, s; 1222 struct ifstat ifs; 1223 1224 if (afp == NULL) { 1225 allfamilies = 1; 1226 ifr.ifr_addr.sa_family = AF_LOCAL; 1227 } else { 1228 allfamilies = 0; 1229 ifr.ifr_addr.sa_family = 1230 afp->af_af == AF_LINK ? AF_LOCAL : afp->af_af; 1231 } 1232 strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1233 1234 s = socket(ifr.ifr_addr.sa_family, SOCK_DGRAM, 0); 1235 if (s < 0) 1236 err(1, "socket(family %u,SOCK_DGRAM)", ifr.ifr_addr.sa_family); 1237 1238 printf("%s: ", name); 1239 printb("flags", ifa->ifa_flags, IFFBITS); 1240 if (ioctl(s, SIOCGIFMETRIC, &ifr) != -1) 1241 printf(" metric %d", ifr.ifr_metric); 1242 if (ioctl(s, SIOCGIFMTU, &ifr) != -1) 1243 printf(" mtu %d", ifr.ifr_mtu); 1244 putchar('\n'); 1245 1246 for (;;) { 1247 if ((descr = reallocf(descr, descrlen)) != NULL) { 1248 ifr.ifr_buffer.buffer = descr; 1249 ifr.ifr_buffer.length = descrlen; 1250 if (ioctl(s, SIOCGIFDESCR, &ifr) == 0) { 1251 if (ifr.ifr_buffer.length > 1) 1252 printf("\tdescription: %s\n", descr); 1253 } else if (errno == ENOMSG) { 1254 break; 1255 } else if (errno == ENAMETOOLONG) { 1256 descrlen = ifr.ifr_buffer.length; 1257 continue; 1258 } else { 1259 warn("ioctl (get descr)"); 1260 } 1261 } else { 1262 warn("unable to allocate memory for interface " 1263 "description"); 1264 } 1265 break; 1266 } 1267 1268 if (ioctl(s, SIOCGIFCAP, (caddr_t)&ifr) == 0) { 1269 if (ifr.ifr_curcap != 0) { 1270 printb("\toptions", ifr.ifr_curcap, IFCAPBITS); 1271 putchar('\n'); 1272 } 1273 if (supmedia && ifr.ifr_reqcap != 0) { 1274 printb("\tcapabilities", ifr.ifr_reqcap, IFCAPBITS); 1275 putchar('\n'); 1276 if (ifr.ifr_reqcap & IFCAP_TSO) { 1277 if (ioctl(s, SIOCGIFTSOLEN, 1278 (caddr_t)&ifr) == 0) { 1279 printf("\ttsolen %d", ifr.ifr_tsolen); 1280 putchar('\n'); 1281 } 1282 } 1283 } 1284 } 1285 1286 tunnel_status(s); 1287 1288 for (ift = ifa; ift != NULL; ift = ift->ifa_next) { 1289 if (ift->ifa_addr == NULL) 1290 continue; 1291 if (strcmp(ifa->ifa_name, ift->ifa_name) != 0) 1292 continue; 1293 if (allfamilies) { 1294 const struct afswtch *p; 1295 p = af_getbyfamily(ift->ifa_addr->sa_family); 1296 if (p != NULL && p->af_status != NULL) 1297 p->af_status(s, ift); 1298 } else if (afp->af_af == ift->ifa_addr->sa_family) 1299 afp->af_status(s, ift); 1300 } 1301 #if 0 1302 if (allfamilies || afp->af_af == AF_LINK) { 1303 const struct afswtch *lafp; 1304 1305 /* 1306 * Hack; the link level address is received separately 1307 * from the routing information so any address is not 1308 * handled above. Cobble together an entry and invoke 1309 * the status method specially. 1310 */ 1311 lafp = af_getbyname("lladdr"); 1312 if (lafp != NULL) { 1313 info.rti_info[RTAX_IFA] = (struct sockaddr *)sdl; 1314 lafp->af_status(s, &info); 1315 } 1316 } 1317 #endif 1318 if (allfamilies) 1319 af_other_status(s); 1320 else if (afp->af_other_status != NULL) 1321 afp->af_other_status(s); 1322 1323 strlcpy(ifs.ifs_name, name, sizeof ifs.ifs_name); 1324 if (ioctl(s, SIOCGIFSTATUS, &ifs) == 0) 1325 printf("%s", ifs.ascii); 1326 1327 close(s); 1328 return; 1329 } 1330 1331 static void 1332 tunnel_status(int s) 1333 { 1334 af_all_tunnel_status(s); 1335 } 1336 1337 void 1338 Perror(const char *cmd) 1339 { 1340 switch (errno) { 1341 1342 case ENXIO: 1343 errx(1, "%s: no such interface", cmd); 1344 break; 1345 1346 case EPERM: 1347 errx(1, "%s: permission denied", cmd); 1348 break; 1349 1350 default: 1351 err(1, "%s", cmd); 1352 } 1353 } 1354 1355 /* 1356 * Print a value a la the %pb%i format of the kernel's kprintf() 1357 */ 1358 void 1359 printb(const char *s, unsigned v, const char *bits) 1360 { 1361 int i, any = 0; 1362 char c; 1363 1364 if (bits && *bits == 8) 1365 printf("%s=%o", s, v); 1366 else 1367 printf("%s=%x", s, v); 1368 bits++; 1369 if (bits) { 1370 putchar('<'); 1371 while ((i = *bits++) != '\0') { 1372 if (v & (1 << (i-1))) { 1373 if (any) 1374 putchar(','); 1375 any = 1; 1376 for (; (c = *bits) > 32; bits++) 1377 putchar(c); 1378 } else 1379 for (; *bits > 32; bits++) 1380 ; 1381 } 1382 putchar('>'); 1383 } 1384 } 1385 1386 void 1387 ifmaybeload(const char *name) 1388 { 1389 #define MOD_PREFIX_LEN 3 /* "if_" */ 1390 struct module_stat mstat; 1391 int fileid, modid; 1392 char ifkind[IFNAMSIZ + MOD_PREFIX_LEN], ifname[IFNAMSIZ], *dp; 1393 const char *cp; 1394 1395 /* loading suppressed by the user */ 1396 if (noload) 1397 return; 1398 1399 /* trim the interface number off the end */ 1400 strlcpy(ifname, name, sizeof(ifname)); 1401 for (dp = ifname; *dp != 0; dp++) 1402 if (isdigit(*dp)) { 1403 *dp = 0; 1404 break; 1405 } 1406 1407 /* turn interface and unit into module name */ 1408 strlcpy(ifkind, "if_", sizeof(ifkind)); 1409 strlcat(ifkind, ifname, sizeof(ifkind)); 1410 1411 /* scan files in kernel */ 1412 mstat.version = sizeof(struct module_stat); 1413 for (fileid = kldnext(0); fileid > 0; fileid = kldnext(fileid)) { 1414 /* scan modules in file */ 1415 for (modid = kldfirstmod(fileid); modid > 0; 1416 modid = modfnext(modid)) { 1417 if (modstat(modid, &mstat) < 0) 1418 continue; 1419 /* strip bus name if present */ 1420 if ((cp = strchr(mstat.name, '/')) != NULL) { 1421 cp++; 1422 } else { 1423 cp = mstat.name; 1424 } 1425 /* already loaded? */ 1426 if (strcmp(ifname, cp) == 0 || 1427 strcmp(ifkind, cp) == 0) 1428 return; 1429 } 1430 } 1431 1432 /* not present, we should try to load it */ 1433 kldload(ifkind); 1434 } 1435 1436 static struct cmd basic_cmds[] = { 1437 DEF_CMD("up", IFF_UP, setifflags), 1438 DEF_CMD("down", -IFF_UP, setifflags), 1439 DEF_CMD("arp", -IFF_NOARP, setifflags), 1440 DEF_CMD("-arp", IFF_NOARP, setifflags), 1441 DEF_CMD("debug", IFF_DEBUG, setifflags), 1442 DEF_CMD("-debug", -IFF_DEBUG, setifflags), 1443 DEF_CMD_ARG("description", setifdescr), 1444 DEF_CMD_ARG("descr", setifdescr), 1445 DEF_CMD("-description", 0, unsetifdescr), 1446 DEF_CMD("-descr", 0, unsetifdescr), 1447 DEF_CMD("promisc", IFF_PPROMISC, setifflags), 1448 DEF_CMD("-promisc", -IFF_PPROMISC, setifflags), 1449 DEF_CMD("add", IFF_UP, notealias), 1450 DEF_CMD("alias", IFF_UP, notealias), 1451 DEF_CMD("-alias", -IFF_UP, notealias), 1452 DEF_CMD("delete", -IFF_UP, notealias), 1453 DEF_CMD("remove", -IFF_UP, notealias), 1454 #ifdef notdef 1455 #define EN_SWABIPS 0x1000 1456 DEF_CMD("swabips", EN_SWABIPS, setifflags), 1457 DEF_CMD("-swabips", -EN_SWABIPS, setifflags), 1458 #endif 1459 DEF_CMD_ARG("netmask", setifnetmask), 1460 DEF_CMD_ARG("metric", setifmetric), 1461 DEF_CMD_ARG("broadcast", setifbroadaddr), 1462 DEF_CMD_ARG2("tunnel", settunnel), 1463 DEF_CMD("-tunnel", 0, deletetunnel), 1464 DEF_CMD("deletetunnel", 0, deletetunnel), 1465 DEF_CMD("link0", IFF_LINK0, setifflags), 1466 DEF_CMD("-link0", -IFF_LINK0, setifflags), 1467 DEF_CMD("link1", IFF_LINK1, setifflags), 1468 DEF_CMD("-link1", -IFF_LINK1, setifflags), 1469 DEF_CMD("link2", IFF_LINK2, setifflags), 1470 DEF_CMD("-link2", -IFF_LINK2, setifflags), 1471 DEF_CMD("monitor", IFF_MONITOR, setifflags), 1472 DEF_CMD("-monitor", -IFF_MONITOR, setifflags), 1473 DEF_CMD("staticarp", IFF_STATICARP, setifflags), 1474 DEF_CMD("-staticarp", -IFF_STATICARP, setifflags), 1475 DEF_CMD("polling", IFF_NPOLLING, setifflags), 1476 DEF_CMD("-polling", -IFF_NPOLLING, setifflags), 1477 DEF_CMD("npolling", IFF_NPOLLING, setifflags), 1478 DEF_CMD("-npolling", -IFF_NPOLLING, setifflags), 1479 DEF_CMD("rxcsum", IFCAP_RXCSUM, setifcap), 1480 DEF_CMD("-rxcsum", -IFCAP_RXCSUM, setifcap), 1481 DEF_CMD("txcsum", IFCAP_TXCSUM, setifcap), 1482 DEF_CMD("-txcsum", -IFCAP_TXCSUM, setifcap), 1483 DEF_CMD("netcons", IFCAP_NETCONS, setifcap), 1484 DEF_CMD("-netcons", -IFCAP_NETCONS, setifcap), 1485 DEF_CMD("rss", IFCAP_RSS, setifcap), 1486 DEF_CMD("-rss", -IFCAP_RSS, setifcap), 1487 DEF_CMD("tso", IFCAP_TSO, setifcap), 1488 DEF_CMD("-tso", -IFCAP_TSO, setifcap), 1489 DEF_CMD("normal", -IFF_LINK0, setifflags), 1490 DEF_CMD("compress", IFF_LINK0, setifflags), 1491 DEF_CMD("noicmp", IFF_LINK1, setifflags), 1492 DEF_CMD_ARG("mtu", setifmtu), 1493 DEF_CMD_ARG("name", setifname), 1494 DEF_CMD_ARG("pollcpu", setifpollcpu), 1495 DEF_CMD_ARG("tsolen", setiftsolen) 1496 }; 1497 1498 static __constructor(101) void 1499 ifconfig_ctor(void) 1500 { 1501 size_t i; 1502 1503 for (i = 0; i < nitems(basic_cmds); i++) 1504 cmd_register(&basic_cmds[i]); 1505 } 1506