1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1983, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <sys/param.h> 33 #include <sys/ioctl.h> 34 #ifdef JAIL 35 #include <sys/jail.h> 36 #endif 37 #include <sys/module.h> 38 #include <sys/linker.h> 39 #include <sys/nv.h> 40 #include <sys/queue.h> 41 #include <sys/socket.h> 42 #include <sys/time.h> 43 44 #include <net/ethernet.h> 45 #include <net/if.h> 46 #include <net/if_dl.h> 47 #include <net/if_strings.h> 48 #include <net/if_types.h> 49 #include <net/route.h> 50 51 /* IP */ 52 #include <netinet/in.h> 53 #include <netinet/in_var.h> 54 #include <arpa/inet.h> 55 #include <netdb.h> 56 57 #include <fnmatch.h> 58 #include <ifaddrs.h> 59 #include <ctype.h> 60 #include <err.h> 61 #include <errno.h> 62 #include <fcntl.h> 63 #ifdef JAIL 64 #include <jail.h> 65 #endif 66 #include <stdbool.h> 67 #include <stdio.h> 68 #include <stdlib.h> 69 #include <string.h> 70 #include <unistd.h> 71 72 #include <libifconfig.h> 73 74 #include "ifconfig.h" 75 76 ifconfig_handle_t *lifh; 77 78 #ifdef WITHOUT_NETLINK 79 static char *descr = NULL; 80 static size_t descrlen = 64; 81 #endif 82 static int setaddr; 83 static int setmask; 84 static int doalias; 85 static int clearaddr; 86 static int newaddr = 1; 87 88 int exit_code = 0; 89 90 static char ifname_to_print[IFNAMSIZ]; /* Helper for printifnamemaybe() */ 91 92 /* Formatter Strings */ 93 char *f_inet, *f_inet6, *f_ether, *f_addr; 94 95 #ifdef WITHOUT_NETLINK 96 static void list_interfaces_ioctl(if_ctx *ctx); 97 static void status(if_ctx *ctx, const struct sockaddr_dl *sdl, 98 struct ifaddrs *ifa); 99 #endif 100 static _Noreturn void usage(void); 101 static void Perrorc(const char *cmd, int error); 102 103 static int getifflags(const char *ifname, int us, bool err_ok); 104 105 static struct afswtch *af_getbyname(const char *name); 106 107 static struct option *opts = NULL; 108 109 struct ifa_order_elt { 110 int if_order; 111 int af_orders[255]; 112 struct ifaddrs *ifa; 113 TAILQ_ENTRY(ifa_order_elt) link; 114 }; 115 116 TAILQ_HEAD(ifa_queue, ifa_order_elt); 117 118 static struct module_map_entry { 119 const char *ifname; 120 const char *kldname; 121 } module_map[] = { 122 { 123 .ifname = "tun", 124 .kldname = "if_tuntap", 125 }, 126 { 127 .ifname = "tap", 128 .kldname = "if_tuntap", 129 }, 130 { 131 .ifname = "vmnet", 132 .kldname = "if_tuntap", 133 }, 134 { 135 .ifname = "ipsec", 136 .kldname = "ipsec", 137 }, 138 { 139 /* 140 * This mapping exists because there is a conflicting enc module 141 * in CAM. ifconfig's guessing behavior will attempt to match 142 * the ifname to a module as well as if_${ifname} and clash with 143 * CAM enc. This is an assertion of the correct module to load. 144 */ 145 .ifname = "enc", 146 .kldname = "if_enc", 147 }, 148 }; 149 150 151 void 152 opt_register(struct option *p) 153 { 154 p->next = opts; 155 opts = p; 156 } 157 158 static void 159 usage(void) 160 { 161 char options[1024]; 162 struct option *p; 163 164 /* XXX not right but close enough for now */ 165 options[0] = '\0'; 166 for (p = opts; p != NULL; p = p->next) { 167 strlcat(options, p->opt_usage, sizeof(options)); 168 strlcat(options, " ", sizeof(options)); 169 } 170 171 #ifdef JAIL 172 #define JFLAG " [-j jail] " 173 #else 174 #define JFLAG " " 175 #endif 176 fprintf(stderr, 177 "usage: ifconfig" JFLAG "[-f type:format] %sinterface address_family\n" 178 " [address [dest_address]] [parameters]\n" 179 " ifconfig" JFLAG "interface create\n" 180 " ifconfig" JFLAG "-a %s[-d] [-m] [-u] [-v] [address_family]\n" 181 " ifconfig" JFLAG "-l [-d] [-u] [address_family]\n" 182 " ifconfig" JFLAG "%s[-d] [-m] [-u] [-v]\n", 183 options, options, options); 184 exit(1); 185 #undef JFLAG 186 } 187 188 static void 189 ifname_update(if_ctx *ctx, const char *name) 190 { 191 strlcpy(ctx->_ifname_storage_ioctl, name, sizeof(ctx->_ifname_storage_ioctl)); 192 ctx->ifname = ctx->_ifname_storage_ioctl; 193 194 strlcpy(ifname_to_print, name, sizeof(ifname_to_print)); 195 } 196 197 static void 198 ifr_set_name(struct ifreq *ifr, const char *name) 199 { 200 strlcpy(ifr->ifr_name, name, sizeof(ifr->ifr_name)); 201 } 202 203 int 204 ioctl_ctx_ifr(if_ctx *ctx, unsigned long cmd, struct ifreq *ifr) 205 { 206 ifr_set_name(ifr, ctx->ifname); 207 return (ioctl_ctx(ctx, cmd, ifr)); 208 } 209 210 void 211 ifcreate_ioctl(if_ctx *ctx, struct ifreq *ifr) 212 { 213 char ifname_orig[IFNAMSIZ]; 214 215 strlcpy(ifname_orig, ifr->ifr_name, sizeof(ifname_orig)); 216 217 if (ioctl(ctx->io_s, SIOCIFCREATE2, ifr) < 0) { 218 switch (errno) { 219 case EEXIST: 220 errx(1, "interface %s already exists", ifr->ifr_name); 221 default: 222 err(1, "SIOCIFCREATE2 (%s)", ifr->ifr_name); 223 } 224 } 225 226 if (strncmp(ifname_orig, ifr->ifr_name, sizeof(ifname_orig)) != 0) 227 ifname_update(ctx, ifr->ifr_name); 228 } 229 230 #ifdef WITHOUT_NETLINK 231 static int 232 calcorders(struct ifaddrs *ifa, struct ifa_queue *q) 233 { 234 struct ifaddrs *prev; 235 struct ifa_order_elt *cur; 236 unsigned int ord, af, ifa_ord; 237 238 prev = NULL; 239 cur = NULL; 240 ord = 0; 241 ifa_ord = 0; 242 243 while (ifa != NULL) { 244 if (prev == NULL || 245 strcmp(ifa->ifa_name, prev->ifa_name) != 0) { 246 cur = calloc(1, sizeof(*cur)); 247 248 if (cur == NULL) 249 return (-1); 250 251 TAILQ_INSERT_TAIL(q, cur, link); 252 cur->if_order = ifa_ord ++; 253 cur->ifa = ifa; 254 ord = 0; 255 } 256 257 if (ifa->ifa_addr) { 258 af = ifa->ifa_addr->sa_family; 259 260 if (af < nitems(cur->af_orders) && 261 cur->af_orders[af] == 0) 262 cur->af_orders[af] = ++ord; 263 } 264 prev = ifa; 265 ifa = ifa->ifa_next; 266 } 267 268 return (0); 269 } 270 271 static int 272 cmpifaddrs(struct ifaddrs *a, struct ifaddrs *b, struct ifa_queue *q) 273 { 274 struct ifa_order_elt *cur, *e1, *e2; 275 unsigned int af1, af2; 276 int ret; 277 278 e1 = e2 = NULL; 279 280 ret = strcmp(a->ifa_name, b->ifa_name); 281 if (ret != 0) { 282 TAILQ_FOREACH(cur, q, link) { 283 if (e1 && e2) 284 break; 285 286 if (strcmp(cur->ifa->ifa_name, a->ifa_name) == 0) 287 e1 = cur; 288 else if (strcmp(cur->ifa->ifa_name, b->ifa_name) == 0) 289 e2 = cur; 290 } 291 292 if (!e1 || !e2) 293 return (0); 294 else 295 return (e1->if_order - e2->if_order); 296 297 } else if (a->ifa_addr != NULL && b->ifa_addr != NULL) { 298 TAILQ_FOREACH(cur, q, link) { 299 if (strcmp(cur->ifa->ifa_name, a->ifa_name) == 0) { 300 e1 = cur; 301 break; 302 } 303 } 304 305 if (!e1) 306 return (0); 307 308 af1 = a->ifa_addr->sa_family; 309 af2 = b->ifa_addr->sa_family; 310 311 if (af1 < nitems(e1->af_orders) && af2 < nitems(e1->af_orders)) 312 return (e1->af_orders[af1] - e1->af_orders[af2]); 313 } 314 315 return (0); 316 } 317 #endif 318 319 static void freeformat(void) 320 { 321 322 free(f_inet); 323 free(f_inet6); 324 free(f_ether); 325 free(f_addr); 326 } 327 328 static void setformat(char *input) 329 { 330 char *formatstr, *category, *modifier; 331 332 formatstr = strdup(input); 333 while ((category = strsep(&formatstr, ",")) != NULL) { 334 modifier = strchr(category, ':'); 335 if (modifier == NULL) { 336 if (strcmp(category, "default") == 0) { 337 freeformat(); 338 } else if (strcmp(category, "cidr") == 0) { 339 free(f_inet); 340 f_inet = strdup(category); 341 free(f_inet6); 342 f_inet6 = strdup(category); 343 } else { 344 warnx("Skipping invalid format: %s\n", 345 category); 346 } 347 continue; 348 } 349 350 /* Split the string on the separator, then seek past it */ 351 modifier[0] = '\0'; 352 modifier++; 353 354 if (strcmp(category, "addr") == 0) { 355 free(f_addr); 356 f_addr = strdup(modifier); 357 } else if (strcmp(category, "ether") == 0) { 358 free(f_ether); 359 f_ether = strdup(modifier); 360 } else if (strcmp(category, "inet") == 0) { 361 free(f_inet); 362 f_inet = strdup(modifier); 363 } else if (strcmp(category, "inet6") == 0) { 364 free(f_inet6); 365 f_inet6 = strdup(modifier); 366 } 367 } 368 free(formatstr); 369 } 370 371 #ifdef WITHOUT_NETLINK 372 static struct ifaddrs * 373 sortifaddrs(struct ifaddrs *list, 374 int (*compare)(struct ifaddrs *, struct ifaddrs *, struct ifa_queue *), 375 struct ifa_queue *q) 376 { 377 struct ifaddrs *right, *temp, *last, *result, *next, *tail; 378 379 right = list; 380 temp = list; 381 last = list; 382 result = NULL; 383 next = NULL; 384 tail = NULL; 385 386 if (!list || !list->ifa_next) 387 return (list); 388 389 while (temp && temp->ifa_next) { 390 last = right; 391 right = right->ifa_next; 392 temp = temp->ifa_next->ifa_next; 393 } 394 395 last->ifa_next = NULL; 396 397 list = sortifaddrs(list, compare, q); 398 right = sortifaddrs(right, compare, q); 399 400 while (list || right) { 401 402 if (!right) { 403 next = list; 404 list = list->ifa_next; 405 } else if (!list) { 406 next = right; 407 right = right->ifa_next; 408 } else if (compare(list, right, q) <= 0) { 409 next = list; 410 list = list->ifa_next; 411 } else { 412 next = right; 413 right = right->ifa_next; 414 } 415 416 if (!result) 417 result = next; 418 else 419 tail->ifa_next = next; 420 421 tail = next; 422 } 423 424 return (result); 425 } 426 #endif 427 428 static void 429 printifnamemaybe(void) 430 { 431 if (ifname_to_print[0] != '\0') 432 printf("%s\n", ifname_to_print); 433 } 434 435 static void 436 list_interfaces(if_ctx *ctx) 437 { 438 #ifdef WITHOUT_NETLINK 439 list_interfaces_ioctl(ctx); 440 #else 441 list_interfaces_nl(ctx->args); 442 #endif 443 } 444 445 static char * 446 args_peek(struct ifconfig_args *args) 447 { 448 if (args->argc > 0) 449 return (args->argv[0]); 450 return (NULL); 451 } 452 453 static char * 454 args_pop(struct ifconfig_args *args) 455 { 456 if (args->argc == 0) 457 return (NULL); 458 459 char *arg = args->argv[0]; 460 461 args->argc--; 462 args->argv++; 463 464 return (arg); 465 } 466 467 static void 468 args_parse(struct ifconfig_args *args, int argc, char *argv[]) 469 { 470 char options[1024]; 471 struct option *p; 472 #ifdef JAIL 473 int jid; 474 #endif 475 int c; 476 477 /* Parse leading line options */ 478 strlcpy(options, "G:adDf:j:klmnuv", sizeof(options)); 479 for (p = opts; p != NULL; p = p->next) 480 strlcat(options, p->opt, sizeof(options)); 481 while ((c = getopt(argc, argv, options)) != -1) { 482 switch (c) { 483 case 'a': /* scan all interfaces */ 484 args->all = true; 485 break; 486 case 'd': /* restrict scan to "down" interfaces */ 487 args->downonly = true; 488 break; 489 case 'D': /* Print driver name */ 490 args->drivername = true; 491 break; 492 case 'f': 493 if (optarg == NULL) 494 usage(); 495 setformat(optarg); 496 break; 497 case 'G': 498 if (optarg == NULL || args->all == 0) 499 usage(); 500 args->nogroup = optarg; 501 break; 502 case 'j': 503 #ifdef JAIL 504 if (optarg == NULL) 505 usage(); 506 jid = jail_getid(optarg); 507 if (jid == -1) 508 Perror("jail not found"); 509 if (jail_attach(jid) != 0) 510 Perror("cannot attach to jail"); 511 #else 512 Perrorc("not built with jail support", EINVAL); 513 #endif 514 break; 515 case 'k': 516 args->printkeys = true; 517 break; 518 case 'l': /* scan interface names only */ 519 args->namesonly = true; 520 break; 521 case 'm': /* show media choices in status */ 522 args->supmedia = true; 523 break; 524 case 'n': /* suppress module loading */ 525 args->noload = true; 526 break; 527 case 'u': /* restrict scan to "up" interfaces */ 528 args->uponly = true; 529 break; 530 case 'v': 531 args->verbose++; 532 break; 533 case 'g': 534 if (args->all) { 535 if (optarg == NULL) 536 usage(); 537 args->matchgroup = optarg; 538 break; 539 } 540 /* FALLTHROUGH */ 541 default: 542 for (p = opts; p != NULL; p = p->next) 543 if (p->opt[0] == c) { 544 p->cb(optarg); 545 break; 546 } 547 if (p == NULL) 548 usage(); 549 break; 550 } 551 } 552 argc -= optind; 553 argv += optind; 554 555 /* -l cannot be used with -a or -m */ 556 if (args->namesonly && (args->all || args->supmedia)) 557 usage(); 558 559 /* nonsense.. */ 560 if (args->uponly && args->downonly) 561 usage(); 562 563 /* no arguments is equivalent to '-a' */ 564 if (!args->namesonly && argc < 1) 565 args->all = 1; 566 567 /* -a and -l allow an address family arg to limit the output */ 568 if (args->all || args->namesonly) { 569 if (argc > 1) 570 usage(); 571 572 if (argc == 1) { 573 const struct afswtch *afp = af_getbyname(*argv); 574 575 if (afp == NULL) { 576 warnx("Address family '%s' unknown.", *argv); 577 usage(); 578 } 579 if (afp->af_name != NULL) 580 argc--, argv++; 581 /* leave with afp non-zero */ 582 args->afp = afp; 583 } 584 } else { 585 /* not listing, need an argument */ 586 if (argc < 1) 587 usage(); 588 } 589 590 args->argc = argc; 591 args->argv = argv; 592 } 593 594 static int 595 ifconfig(if_ctx *ctx, int iscreate, const struct afswtch *uafp) 596 { 597 #ifdef WITHOUT_NETLINK 598 return (ifconfig_ioctl(ctx, iscreate, uafp)); 599 #else 600 return (ifconfig_nl(ctx, iscreate, uafp)); 601 #endif 602 } 603 604 static bool 605 isargcreate(const char *arg) 606 { 607 if (arg == NULL) 608 return (false); 609 610 if (strcmp(arg, "create") == 0 || strcmp(arg, "plumb") == 0) 611 return (true); 612 613 return (false); 614 } 615 616 static bool 617 isnametoolong(const char *ifname) 618 { 619 return (strlen(ifname) >= IFNAMSIZ); 620 } 621 622 int 623 main(int ac, char *av[]) 624 { 625 char *envformat; 626 int flags; 627 struct ifconfig_args _args = {}; 628 struct ifconfig_args *args = &_args; 629 630 struct ifconfig_context ctx = { 631 .args = args, 632 .io_s = -1, 633 }; 634 635 lifh = ifconfig_open(); 636 if (lifh == NULL) 637 err(EXIT_FAILURE, "ifconfig_open"); 638 639 envformat = getenv("IFCONFIG_FORMAT"); 640 if (envformat != NULL) 641 setformat(envformat); 642 643 /* 644 * Ensure we print interface name when expected to, 645 * even if we terminate early due to error. 646 */ 647 atexit(printifnamemaybe); 648 649 args_parse(args, ac, av); 650 651 if (!args->all && !args->namesonly) { 652 /* not listing, need an argument */ 653 args->ifname = args_pop(args); 654 ctx.ifname = args->ifname; 655 656 /* check and maybe load support for this interface */ 657 ifmaybeload(args, args->ifname); 658 659 char *arg = args_peek(args); 660 if (if_nametoindex(args->ifname) == 0) { 661 /* 662 * NOTE: We must special-case the `create' command 663 * right here as we would otherwise fail when trying 664 * to find the interface. 665 */ 666 if (isargcreate(arg)) { 667 if (isnametoolong(args->ifname)) 668 errx(1, "%s: cloning name too long", 669 args->ifname); 670 ifconfig(&ctx, 1, NULL); 671 exit(exit_code); 672 } 673 #ifdef JAIL 674 /* 675 * NOTE: We have to special-case the `-vnet' command 676 * right here as we would otherwise fail when trying 677 * to find the interface as it lives in another vnet. 678 */ 679 if (arg != NULL && (strcmp(arg, "-vnet") == 0)) { 680 if (isnametoolong(args->ifname)) 681 errx(1, "%s: interface name too long", 682 args->ifname); 683 ifconfig(&ctx, 0, NULL); 684 exit(exit_code); 685 } 686 #endif 687 errx(1, "interface %s does not exist", args->ifname); 688 } else { 689 /* 690 * Do not allow use `create` command as hostname if 691 * address family is not specified. 692 */ 693 if (isargcreate(arg)) { 694 if (args->argc == 1) 695 errx(1, "interface %s already exists", 696 args->ifname); 697 args_pop(args); 698 } 699 } 700 } 701 702 /* Check for address family */ 703 if (args->argc > 0) { 704 args->afp = af_getbyname(args_peek(args)); 705 if (args->afp != NULL) 706 args_pop(args); 707 } 708 709 /* 710 * Check for a requested configuration action on a single interface, 711 * which doesn't require building, sorting, and searching the entire 712 * system address list 713 */ 714 if ((args->argc > 0) && (args->ifname != NULL)) { 715 if (isnametoolong(args->ifname)) 716 warnx("%s: interface name too long, skipping", args->ifname); 717 else { 718 flags = getifflags(args->ifname, -1, false); 719 if (!(((flags & IFF_CANTCONFIG) != 0) || 720 (args->downonly && (flags & IFF_UP) != 0) || 721 (args->uponly && (flags & IFF_UP) == 0))) 722 ifconfig(&ctx, 0, args->afp); 723 } 724 goto done; 725 } 726 727 args->allfamilies = args->afp == NULL; 728 729 list_interfaces(&ctx); 730 731 done: 732 freeformat(); 733 ifconfig_close(lifh); 734 exit(exit_code); 735 } 736 737 bool 738 match_ether(const struct sockaddr_dl *sdl) 739 { 740 switch (sdl->sdl_type) { 741 case IFT_ETHER: 742 case IFT_L2VLAN: 743 case IFT_BRIDGE: 744 if (sdl->sdl_alen == ETHER_ADDR_LEN) 745 return (true); 746 default: 747 return (false); 748 } 749 } 750 751 bool 752 match_if_flags(struct ifconfig_args *args, int if_flags) 753 { 754 if ((if_flags & IFF_CANTCONFIG) != 0) 755 return (false); 756 if (args->downonly && (if_flags & IFF_UP) != 0) 757 return (false); 758 if (args->uponly && (if_flags & IFF_UP) == 0) 759 return (false); 760 return (true); 761 } 762 763 #ifdef WITHOUT_NETLINK 764 static bool 765 match_afp(const struct afswtch *afp, int sa_family, const struct sockaddr_dl *sdl) 766 { 767 if (afp == NULL) 768 return (true); 769 /* special case for "ether" address family */ 770 if (!strcmp(afp->af_name, "ether")) { 771 if (sdl == NULL || !match_ether(sdl)) 772 return (false); 773 return (true); 774 } 775 return (afp->af_af == sa_family); 776 } 777 778 static void 779 list_interfaces_ioctl(if_ctx *ctx) 780 { 781 struct ifa_queue q = TAILQ_HEAD_INITIALIZER(q); 782 struct ifaddrs *ifap, *sifap, *ifa; 783 struct ifa_order_elt *cur, *tmp; 784 char *namecp = NULL; 785 int ifindex; 786 struct ifconfig_args *args = ctx->args; 787 788 if (getifaddrs(&ifap) != 0) 789 err(EXIT_FAILURE, "getifaddrs"); 790 791 char *cp = NULL; 792 793 if (calcorders(ifap, &q) != 0) 794 err(EXIT_FAILURE, "calcorders"); 795 796 sifap = sortifaddrs(ifap, cmpifaddrs, &q); 797 798 TAILQ_FOREACH_SAFE(cur, &q, link, tmp) 799 free(cur); 800 801 ifindex = 0; 802 for (ifa = sifap; ifa; ifa = ifa->ifa_next) { 803 struct ifreq paifr = {}; 804 const struct sockaddr_dl *sdl; 805 806 strlcpy(paifr.ifr_name, ifa->ifa_name, sizeof(paifr.ifr_name)); 807 if (sizeof(paifr.ifr_addr) >= ifa->ifa_addr->sa_len) { 808 memcpy(&paifr.ifr_addr, ifa->ifa_addr, 809 ifa->ifa_addr->sa_len); 810 } 811 812 if (args->ifname != NULL && strcmp(args->ifname, ifa->ifa_name) != 0) 813 continue; 814 if (ifa->ifa_addr->sa_family == AF_LINK) 815 sdl = satosdl_c(ifa->ifa_addr); 816 else 817 sdl = NULL; 818 if (cp != NULL && strcmp(cp, ifa->ifa_name) == 0 && !args->namesonly) 819 continue; 820 if (isnametoolong(ifa->ifa_name)) { 821 warnx("%s: interface name too long, skipping", 822 ifa->ifa_name); 823 continue; 824 } 825 cp = ifa->ifa_name; 826 827 if (!match_if_flags(args, ifa->ifa_flags)) 828 continue; 829 if (!group_member(ifa->ifa_name, args->matchgroup, args->nogroup)) 830 continue; 831 ctx->ifname = cp; 832 /* 833 * Are we just listing the interfaces? 834 */ 835 if (args->namesonly) { 836 if (namecp == cp) 837 continue; 838 if (!match_afp(args->afp, ifa->ifa_addr->sa_family, sdl)) 839 continue; 840 namecp = cp; 841 ifindex++; 842 if (ifindex > 1) 843 printf(" "); 844 fputs(cp, stdout); 845 continue; 846 } 847 ifindex++; 848 849 if (args->argc > 0) 850 ifconfig(ctx, 0, args->afp); 851 else 852 status(ctx, sdl, ifa); 853 } 854 if (args->namesonly) 855 printf("\n"); 856 freeifaddrs(ifap); 857 } 858 #endif 859 860 /* 861 * Returns true if an interface should be listed because any its groups 862 * matches shell pattern "match" and none of groups matches pattern "nomatch". 863 * If any pattern is NULL, corresponding condition is skipped. 864 */ 865 bool 866 group_member(const char *ifname, const char *match, const char *nomatch) 867 { 868 static int sock = -1; 869 870 struct ifgroupreq ifgr; 871 struct ifg_req *ifg; 872 unsigned int len; 873 bool matched, nomatched; 874 875 /* Sanity checks. */ 876 if (match == NULL && nomatch == NULL) 877 return (true); 878 if (ifname == NULL) 879 return (false); 880 881 memset(&ifgr, 0, sizeof(ifgr)); 882 strlcpy(ifgr.ifgr_name, ifname, IFNAMSIZ); 883 884 /* The socket is opened once. Let _exit() close it. */ 885 if (sock == -1) { 886 sock = socket(AF_LOCAL, SOCK_DGRAM, 0); 887 if (sock == -1) 888 errx(1, "%s: socket(AF_LOCAL,SOCK_DGRAM)", __func__); 889 } 890 891 /* Determine amount of memory for the list of groups. */ 892 if (ioctl(sock, SIOCGIFGROUP, (caddr_t)&ifgr) == -1) { 893 if (errno == EINVAL || errno == ENOTTY) 894 return (false); 895 else 896 errx(1, "%s: SIOCGIFGROUP", __func__); 897 } 898 899 /* Obtain the list of groups. */ 900 len = ifgr.ifgr_len; 901 ifgr.ifgr_groups = 902 (struct ifg_req *)calloc(len / sizeof(*ifg), sizeof(*ifg)); 903 904 if (ifgr.ifgr_groups == NULL) 905 errx(1, "%s: no memory", __func__); 906 if (ioctl(sock, SIOCGIFGROUP, (caddr_t)&ifgr) == -1) 907 errx(1, "%s: SIOCGIFGROUP", __func__); 908 909 /* Perform matching. */ 910 matched = false; 911 nomatched = true; 912 for (ifg = ifgr.ifgr_groups; ifg && len >= sizeof(*ifg); ifg++) { 913 len -= sizeof(*ifg); 914 if (match && !matched) 915 matched = !fnmatch(match, ifg->ifgrq_group, 0); 916 if (nomatch && nomatched) 917 nomatched = fnmatch(nomatch, ifg->ifgrq_group, 0); 918 } 919 free(ifgr.ifgr_groups); 920 921 if (match && !nomatch) 922 return (matched); 923 if (!match && nomatch) 924 return (nomatched); 925 return (matched && nomatched); 926 } 927 928 static struct afswtch *afs = NULL; 929 930 void 931 af_register(struct afswtch *p) 932 { 933 p->af_next = afs; 934 afs = p; 935 } 936 937 static struct afswtch * 938 af_getbyname(const char *name) 939 { 940 struct afswtch *afp; 941 942 for (afp = afs; afp != NULL; afp = afp->af_next) 943 if (strcmp(afp->af_name, name) == 0) 944 return afp; 945 return NULL; 946 } 947 948 struct afswtch * 949 af_getbyfamily(int af) 950 { 951 struct afswtch *afp; 952 953 for (afp = afs; afp != NULL; afp = afp->af_next) 954 if (afp->af_af == af) 955 return afp; 956 return NULL; 957 } 958 959 void 960 af_other_status(if_ctx *ctx) 961 { 962 struct afswtch *afp; 963 uint8_t afmask[howmany(AF_MAX, NBBY)]; 964 965 memset(afmask, 0, sizeof(afmask)); 966 for (afp = afs; afp != NULL; afp = afp->af_next) { 967 if (afp->af_other_status == NULL) 968 continue; 969 if (afp->af_af != AF_UNSPEC && isset(afmask, afp->af_af)) 970 continue; 971 afp->af_other_status(ctx); 972 setbit(afmask, afp->af_af); 973 } 974 } 975 976 static void 977 af_all_tunnel_status(if_ctx *ctx) 978 { 979 struct afswtch *afp; 980 uint8_t afmask[howmany(AF_MAX, NBBY)]; 981 982 memset(afmask, 0, sizeof(afmask)); 983 for (afp = afs; afp != NULL; afp = afp->af_next) { 984 if (afp->af_status_tunnel == NULL) 985 continue; 986 if (afp->af_af != AF_UNSPEC && isset(afmask, afp->af_af)) 987 continue; 988 afp->af_status_tunnel(ctx); 989 setbit(afmask, afp->af_af); 990 } 991 } 992 993 static struct cmd *cmds = NULL; 994 995 void 996 cmd_register(struct cmd *p) 997 { 998 p->c_next = cmds; 999 cmds = p; 1000 } 1001 1002 static const struct cmd * 1003 cmd_lookup(const char *name, int iscreate) 1004 { 1005 const struct cmd *p; 1006 1007 for (p = cmds; p != NULL; p = p->c_next) 1008 if (strcmp(name, p->c_name) == 0) { 1009 if (iscreate) { 1010 if (p->c_iscloneop) 1011 return p; 1012 } else { 1013 if (!p->c_iscloneop) 1014 return p; 1015 } 1016 } 1017 return NULL; 1018 } 1019 1020 struct callback { 1021 callback_func *cb_func; 1022 void *cb_arg; 1023 struct callback *cb_next; 1024 }; 1025 static struct callback *callbacks = NULL; 1026 1027 void 1028 callback_register(callback_func *func, void *arg) 1029 { 1030 struct callback *cb; 1031 1032 cb = malloc(sizeof(struct callback)); 1033 if (cb == NULL) 1034 errx(1, "unable to allocate memory for callback"); 1035 cb->cb_func = func; 1036 cb->cb_arg = arg; 1037 cb->cb_next = callbacks; 1038 callbacks = cb; 1039 } 1040 1041 /* specially-handled commands */ 1042 static void setifaddr(if_ctx *ctx, const char *addr, int param); 1043 static const struct cmd setifaddr_cmd = DEF_CMD("ifaddr", 0, setifaddr); 1044 1045 static void setifdstaddr(if_ctx *ctx, const char *addr, int param __unused); 1046 static const struct cmd setifdstaddr_cmd = 1047 DEF_CMD("ifdstaddr", 0, setifdstaddr); 1048 1049 int 1050 af_exec_ioctl(if_ctx *ctx, unsigned long action, void *data) 1051 { 1052 struct ifreq *req = (struct ifreq *)data; 1053 1054 strlcpy(req->ifr_name, ctx->ifname, sizeof(req->ifr_name)); 1055 if (ioctl_ctx(ctx, action, req) == 0) 1056 return (0); 1057 return (errno); 1058 } 1059 1060 static void 1061 delifaddr(if_ctx *ctx, const struct afswtch *afp) 1062 { 1063 int error; 1064 1065 if (afp->af_exec == NULL) { 1066 warnx("interface %s cannot change %s addresses!", 1067 ctx->ifname, afp->af_name); 1068 clearaddr = 0; 1069 return; 1070 } 1071 1072 error = afp->af_exec(ctx, afp->af_difaddr, afp->af_ridreq); 1073 if (error != 0) { 1074 if (error == EADDRNOTAVAIL && (doalias >= 0)) { 1075 /* means no previous address for interface */ 1076 } else 1077 Perrorc("ioctl (SIOCDIFADDR)", error); 1078 } 1079 } 1080 1081 static void 1082 addifaddr(if_ctx *ctx, const struct afswtch *afp) 1083 { 1084 if (afp->af_exec == NULL) { 1085 warnx("interface %s cannot change %s addresses!", 1086 ctx->ifname, afp->af_name); 1087 newaddr = 0; 1088 return; 1089 } 1090 1091 if (setaddr || setmask) { 1092 int error = afp->af_exec(ctx, afp->af_aifaddr, afp->af_addreq); 1093 if (error != 0) 1094 Perrorc("ioctl (SIOCAIFADDR)", error); 1095 } 1096 } 1097 1098 int 1099 ifconfig_ioctl(if_ctx *orig_ctx, int iscreate, const struct afswtch *uafp) 1100 { 1101 const struct afswtch *afp, *nafp; 1102 const struct cmd *p; 1103 struct callback *cb; 1104 int s; 1105 int argc = orig_ctx->args->argc; 1106 char *const *argv = orig_ctx->args->argv; 1107 struct ifconfig_context _ctx = { 1108 .args = orig_ctx->args, 1109 .io_ss = orig_ctx->io_ss, 1110 .ifname = orig_ctx->ifname, 1111 }; 1112 struct ifconfig_context *ctx = &_ctx; 1113 1114 struct ifreq ifr = {}; 1115 strlcpy(ifr.ifr_name, ctx->ifname, sizeof ifr.ifr_name); 1116 afp = NULL; 1117 if (uafp != NULL) 1118 afp = uafp; 1119 /* 1120 * This is the historical "accident" allowing users to configure IPv4 1121 * addresses without the "inet" keyword which while a nice feature has 1122 * proven to complicate other things. We cannot remove this but only 1123 * make sure we will never have a similar implicit default for IPv6 or 1124 * any other address familiy. We need a fallback though for 1125 * ifconfig IF up/down etc. to work without INET support as people 1126 * never used ifconfig IF link up/down, etc. either. 1127 */ 1128 #ifndef RESCUE 1129 #ifdef INET 1130 if (afp == NULL && feature_present("inet")) 1131 afp = af_getbyname("inet"); 1132 #endif 1133 #endif 1134 if (afp == NULL) 1135 afp = af_getbyname("link"); 1136 if (afp == NULL) { 1137 warnx("Please specify an address_family."); 1138 usage(); 1139 } 1140 1141 top: 1142 ifr.ifr_addr.sa_family = 1143 afp->af_af == AF_LINK || afp->af_af == AF_UNSPEC ? 1144 AF_LOCAL : afp->af_af; 1145 1146 if ((s = socket(ifr.ifr_addr.sa_family, SOCK_DGRAM, 0)) < 0 && 1147 (uafp != NULL || errno != EAFNOSUPPORT || 1148 (s = socket(AF_LOCAL, SOCK_DGRAM, 0)) < 0)) 1149 err(1, "socket(family %u,SOCK_DGRAM)", ifr.ifr_addr.sa_family); 1150 1151 ctx->io_s = s; 1152 ctx->afp = afp; 1153 1154 while (argc > 0) { 1155 p = cmd_lookup(*argv, iscreate); 1156 if (iscreate && p == NULL) { 1157 /* 1158 * Push the clone create callback so the new 1159 * device is created and can be used for any 1160 * remaining arguments. 1161 */ 1162 cb = callbacks; 1163 if (cb == NULL) 1164 errx(1, "internal error, no callback"); 1165 callbacks = cb->cb_next; 1166 cb->cb_func(ctx, cb->cb_arg); 1167 iscreate = 0; 1168 /* 1169 * Handle any address family spec that 1170 * immediately follows and potentially 1171 * recreate the socket. 1172 */ 1173 nafp = af_getbyname(*argv); 1174 if (nafp != NULL) { 1175 argc--, argv++; 1176 if (nafp != afp) { 1177 close(s); 1178 afp = nafp; 1179 goto top; 1180 } 1181 } 1182 /* 1183 * Look for a normal parameter. 1184 */ 1185 continue; 1186 } 1187 if (p == NULL) { 1188 /* 1189 * Not a recognized command, choose between setting 1190 * the interface address and the dst address. 1191 */ 1192 p = (setaddr ? &setifdstaddr_cmd : &setifaddr_cmd); 1193 } 1194 if (p->c_parameter == NEXTARG && p->c_u.c_func) { 1195 if (argv[1] == NULL) 1196 errx(1, "'%s' requires argument", 1197 p->c_name); 1198 p->c_u.c_func(ctx, argv[1], 0); 1199 argc--, argv++; 1200 } else if (p->c_parameter == OPTARG && p->c_u.c_func) { 1201 p->c_u.c_func(ctx, argv[1], 0); 1202 if (argv[1] != NULL) 1203 argc--, argv++; 1204 } else if (p->c_parameter == NEXTARG2 && p->c_u.c_func2) { 1205 if (argc < 3) 1206 errx(1, "'%s' requires 2 arguments", 1207 p->c_name); 1208 p->c_u.c_func2(ctx, argv[1], argv[2]); 1209 argc -= 2, argv += 2; 1210 } else if (p->c_parameter == SPARAM && p->c_u.c_func3) { 1211 p->c_u.c_func3(ctx, *argv, p->c_sparameter); 1212 } else if (p->c_parameter == ARGVECTOR && p->c_u.c_funcv) { 1213 int argsdone; 1214 1215 argsdone = p->c_u.c_funcv(ctx, argc - 1, 1216 (const char *const *)argv + 1); 1217 argc -= argsdone; 1218 argv += argsdone; 1219 } else if (p->c_u.c_func) 1220 p->c_u.c_func(ctx, *argv, p->c_parameter); 1221 argc--, argv++; 1222 } 1223 1224 /* 1225 * Do any post argument processing required by the address family. 1226 */ 1227 if (afp->af_postproc != NULL) 1228 afp->af_postproc(ctx, newaddr, getifflags(ctx->ifname, s, true)); 1229 /* 1230 * Do deferred callbacks registered while processing 1231 * command-line arguments. 1232 */ 1233 for (cb = callbacks; cb != NULL; cb = cb->cb_next) 1234 cb->cb_func(ctx, cb->cb_arg); 1235 /* 1236 * Do deferred operations. 1237 */ 1238 if (clearaddr) 1239 delifaddr(ctx, afp); 1240 if (newaddr) 1241 addifaddr(ctx, afp); 1242 1243 close(s); 1244 return(0); 1245 } 1246 1247 static void 1248 setifaddr(if_ctx *ctx, const char *addr, int param __unused) 1249 { 1250 const struct afswtch *afp = ctx->afp; 1251 1252 if (afp->af_getaddr == NULL) 1253 return; 1254 /* 1255 * Delay the ioctl to set the interface addr until flags are all set. 1256 * The address interpretation may depend on the flags, 1257 * and the flags may change when the address is set. 1258 */ 1259 setaddr++; 1260 if (doalias == 0 && afp->af_af != AF_LINK) 1261 clearaddr = 1; 1262 afp->af_getaddr(addr, (doalias >= 0 ? ADDR : RIDADDR)); 1263 } 1264 1265 static void 1266 settunnel(if_ctx *ctx, const char *src, const char *dst) 1267 { 1268 const struct afswtch *afp = ctx->afp; 1269 struct addrinfo *srcres, *dstres; 1270 int ecode; 1271 1272 if (afp->af_settunnel == NULL) { 1273 warn("address family %s does not support tunnel setup", 1274 afp->af_name); 1275 return; 1276 } 1277 1278 if ((ecode = getaddrinfo(src, NULL, NULL, &srcres)) != 0) 1279 errx(1, "error in parsing address string: %s", 1280 gai_strerror(ecode)); 1281 1282 if ((ecode = getaddrinfo(dst, NULL, NULL, &dstres)) != 0) 1283 errx(1, "error in parsing address string: %s", 1284 gai_strerror(ecode)); 1285 1286 if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family) 1287 errx(1, 1288 "source and destination address families do not match"); 1289 1290 afp->af_settunnel(ctx, srcres, dstres); 1291 1292 freeaddrinfo(srcres); 1293 freeaddrinfo(dstres); 1294 } 1295 1296 static void 1297 deletetunnel(if_ctx *ctx, const char *vname __unused, int param __unused) 1298 { 1299 struct ifreq ifr = {}; 1300 1301 if (ioctl_ctx_ifr(ctx, SIOCDIFPHYADDR, &ifr) < 0) 1302 err(1, "SIOCDIFPHYADDR"); 1303 } 1304 1305 #ifdef JAIL 1306 static void 1307 setifvnet(if_ctx *ctx, const char *jname, int dummy __unused) 1308 { 1309 struct ifreq ifr = {}; 1310 1311 ifr.ifr_jid = jail_getid(jname); 1312 if (ifr.ifr_jid < 0) 1313 errx(1, "%s", jail_errmsg); 1314 if (ioctl_ctx_ifr(ctx, SIOCSIFVNET, &ifr) < 0) 1315 err(1, "SIOCSIFVNET"); 1316 } 1317 1318 static void 1319 setifrvnet(if_ctx *ctx, const char *jname, int dummy __unused) 1320 { 1321 struct ifreq ifr = {}; 1322 1323 ifr.ifr_jid = jail_getid(jname); 1324 if (ifr.ifr_jid < 0) 1325 errx(1, "%s", jail_errmsg); 1326 if (ioctl_ctx_ifr(ctx, SIOCSIFRVNET, &ifr) < 0) 1327 err(1, "SIOCSIFRVNET(%d, %s)", ifr.ifr_jid, ifr.ifr_name); 1328 } 1329 #endif 1330 1331 static void 1332 setifnetmask(if_ctx *ctx, const char *addr, int dummy __unused) 1333 { 1334 const struct afswtch *afp = ctx->afp; 1335 1336 if (afp->af_getaddr != NULL) { 1337 setmask++; 1338 afp->af_getaddr(addr, MASK); 1339 } 1340 } 1341 1342 static void 1343 setifbroadaddr(if_ctx *ctx, const char *addr, int dummy __unused) 1344 { 1345 const struct afswtch *afp = ctx->afp; 1346 1347 if (afp->af_getaddr != NULL) 1348 afp->af_getaddr(addr, BRDADDR); 1349 } 1350 1351 static void 1352 notealias(if_ctx *ctx, const char *addr __unused, int param) 1353 { 1354 const struct afswtch *afp = ctx->afp; 1355 1356 if (setaddr && doalias == 0 && param < 0) { 1357 if (afp->af_copyaddr != NULL) 1358 afp->af_copyaddr(ctx, RIDADDR, ADDR); 1359 } 1360 doalias = param; 1361 if (param < 0) { 1362 clearaddr = 1; 1363 newaddr = 0; 1364 } else 1365 clearaddr = 0; 1366 } 1367 1368 static void 1369 setifdstaddr(if_ctx *ctx, const char *addr, int param __unused) 1370 { 1371 const struct afswtch *afp = ctx->afp; 1372 1373 if (afp->af_getaddr != NULL) 1374 afp->af_getaddr(addr, DSTADDR); 1375 } 1376 1377 static int 1378 getifflags(const char *ifname, int us, bool err_ok) 1379 { 1380 struct ifreq my_ifr; 1381 int s; 1382 1383 memset(&my_ifr, 0, sizeof(my_ifr)); 1384 (void) strlcpy(my_ifr.ifr_name, ifname, sizeof(my_ifr.ifr_name)); 1385 if (us < 0) { 1386 if ((s = socket(AF_LOCAL, SOCK_DGRAM, 0)) < 0) 1387 err(1, "socket(family AF_LOCAL,SOCK_DGRAM"); 1388 } else 1389 s = us; 1390 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&my_ifr) < 0) { 1391 if (!err_ok) { 1392 Perror("ioctl (SIOCGIFFLAGS)"); 1393 exit(1); 1394 } 1395 } 1396 if (us < 0) 1397 close(s); 1398 return ((my_ifr.ifr_flags & 0xffff) | (my_ifr.ifr_flagshigh << 16)); 1399 } 1400 1401 /* 1402 * Note: doing an SIOCIGIFFLAGS scribbles on the union portion 1403 * of the ifreq structure, which may confuse other parts of ifconfig. 1404 * Make a private copy so we can avoid that. 1405 */ 1406 static void 1407 clearifflags(if_ctx *ctx, const char *vname, int value) 1408 { 1409 struct ifreq my_ifr; 1410 int flags; 1411 1412 flags = getifflags(ctx->ifname, ctx->io_s, false); 1413 flags &= ~value; 1414 memset(&my_ifr, 0, sizeof(my_ifr)); 1415 strlcpy(my_ifr.ifr_name, ctx->ifname, sizeof(my_ifr.ifr_name)); 1416 my_ifr.ifr_flags = flags & 0xffff; 1417 my_ifr.ifr_flagshigh = flags >> 16; 1418 if (ioctl(ctx->io_s, SIOCSIFFLAGS, (caddr_t)&my_ifr) < 0) 1419 Perror(vname); 1420 } 1421 1422 static void 1423 setifflags(if_ctx *ctx, const char *vname, int value) 1424 { 1425 struct ifreq my_ifr; 1426 int flags; 1427 1428 flags = getifflags(ctx->ifname, ctx->io_s, false); 1429 flags |= value; 1430 memset(&my_ifr, 0, sizeof(my_ifr)); 1431 strlcpy(my_ifr.ifr_name, ctx->ifname, sizeof(my_ifr.ifr_name)); 1432 my_ifr.ifr_flags = flags & 0xffff; 1433 my_ifr.ifr_flagshigh = flags >> 16; 1434 if (ioctl(ctx->io_s, SIOCSIFFLAGS, (caddr_t)&my_ifr) < 0) 1435 Perror(vname); 1436 } 1437 1438 void 1439 clearifcap(if_ctx *ctx, const char *vname, int value) 1440 { 1441 struct ifreq ifr = {}; 1442 int flags; 1443 1444 if (ioctl_ctx_ifr(ctx, SIOCGIFCAP, &ifr) < 0) { 1445 Perror("ioctl (SIOCGIFCAP)"); 1446 exit(1); 1447 } 1448 flags = ifr.ifr_curcap; 1449 flags &= ~value; 1450 flags &= ifr.ifr_reqcap; 1451 /* Check for no change in capabilities. */ 1452 if (ifr.ifr_curcap == flags) 1453 return; 1454 ifr.ifr_reqcap = flags; 1455 if (ioctl_ctx(ctx, SIOCSIFCAP, &ifr) < 0) 1456 Perror(vname); 1457 } 1458 1459 void 1460 setifcap(if_ctx *ctx, const char *vname, int value) 1461 { 1462 struct ifreq ifr = {}; 1463 int flags; 1464 1465 if (ioctl_ctx_ifr(ctx, SIOCGIFCAP, &ifr) < 0) { 1466 Perror("ioctl (SIOCGIFCAP)"); 1467 exit(1); 1468 } 1469 flags = ifr.ifr_curcap; 1470 flags |= value; 1471 flags &= ifr.ifr_reqcap; 1472 /* Check for no change in capabilities. */ 1473 if (ifr.ifr_curcap == flags) 1474 return; 1475 ifr.ifr_reqcap = flags; 1476 if (ioctl_ctx(ctx, SIOCSIFCAP, &ifr) < 0) 1477 Perror(vname); 1478 } 1479 1480 void 1481 setifcapnv(if_ctx *ctx, const char *vname, const char *arg) 1482 { 1483 nvlist_t *nvcap; 1484 void *buf; 1485 char *marg, *mopt; 1486 size_t nvbuflen; 1487 bool neg; 1488 struct ifreq ifr = {}; 1489 1490 if (ioctl_ctx_ifr(ctx, SIOCGIFCAP, &ifr) < 0) 1491 Perror("ioctl (SIOCGIFCAP)"); 1492 if ((ifr.ifr_curcap & IFCAP_NV) == 0) { 1493 warnx("IFCAP_NV not supported"); 1494 return; /* Not exit() */ 1495 } 1496 1497 marg = strdup(arg); 1498 if (marg == NULL) 1499 Perror("strdup"); 1500 nvcap = nvlist_create(0); 1501 if (nvcap == NULL) 1502 Perror("nvlist_create"); 1503 while ((mopt = strsep(&marg, ",")) != NULL) { 1504 neg = *mopt == '-'; 1505 if (neg) 1506 mopt++; 1507 if (strcmp(mopt, "rxtls") == 0) { 1508 nvlist_add_bool(nvcap, "rxtls4", !neg); 1509 nvlist_add_bool(nvcap, "rxtls6", !neg); 1510 } else { 1511 nvlist_add_bool(nvcap, mopt, !neg); 1512 } 1513 } 1514 buf = nvlist_pack(nvcap, &nvbuflen); 1515 if (buf == NULL) { 1516 errx(1, "nvlist_pack error"); 1517 exit(1); 1518 } 1519 ifr.ifr_cap_nv.buf_length = ifr.ifr_cap_nv.length = nvbuflen; 1520 ifr.ifr_cap_nv.buffer = buf; 1521 if (ioctl_ctx(ctx, SIOCSIFCAPNV, (caddr_t)&ifr) < 0) 1522 Perror(vname); 1523 free(buf); 1524 nvlist_destroy(nvcap); 1525 free(marg); 1526 } 1527 1528 static void 1529 setifmetric(if_ctx *ctx, const char *val, int dummy __unused) 1530 { 1531 struct ifreq ifr = {}; 1532 1533 ifr.ifr_metric = atoi(val); 1534 if (ioctl_ctx_ifr(ctx, SIOCSIFMETRIC, &ifr) < 0) 1535 err(1, "ioctl SIOCSIFMETRIC (set metric)"); 1536 } 1537 1538 static void 1539 setifmtu(if_ctx *ctx, const char *val, int dummy __unused) 1540 { 1541 struct ifreq ifr = {}; 1542 1543 ifr.ifr_mtu = atoi(val); 1544 if (ioctl_ctx_ifr(ctx, SIOCSIFMTU, &ifr) < 0) 1545 err(1, "ioctl SIOCSIFMTU (set mtu)"); 1546 } 1547 1548 static void 1549 setifpcp(if_ctx *ctx, const char *val, int arg __unused) 1550 { 1551 struct ifreq ifr = {}; 1552 u_long ul; 1553 char *endp; 1554 1555 ul = strtoul(val, &endp, 0); 1556 if (*endp != '\0') 1557 errx(1, "invalid value for pcp"); 1558 if (ul > 7) 1559 errx(1, "value for pcp out of range"); 1560 ifr.ifr_lan_pcp = ul; 1561 if (ioctl_ctx_ifr(ctx, SIOCSLANPCP, &ifr) == -1) 1562 err(1, "SIOCSLANPCP"); 1563 } 1564 1565 static void 1566 disableifpcp(if_ctx *ctx, const char *val __unused, int arg __unused) 1567 { 1568 struct ifreq ifr = {}; 1569 1570 ifr.ifr_lan_pcp = IFNET_PCP_NONE; 1571 if (ioctl_ctx_ifr(ctx, SIOCSLANPCP, &ifr) == -1) 1572 err(1, "SIOCSLANPCP"); 1573 } 1574 1575 static void 1576 setifname(if_ctx *ctx, const char *val, int dummy __unused) 1577 { 1578 struct ifreq ifr = {}; 1579 char *newname; 1580 1581 ifr_set_name(&ifr, ctx->ifname); 1582 newname = strdup(val); 1583 if (newname == NULL) 1584 err(1, "no memory to set ifname"); 1585 ifr.ifr_data = newname; 1586 if (ioctl_ctx(ctx, SIOCSIFNAME, (caddr_t)&ifr) < 0) { 1587 free(newname); 1588 err(1, "ioctl SIOCSIFNAME (set name)"); 1589 } 1590 ifname_update(ctx, newname); 1591 free(newname); 1592 } 1593 1594 static void 1595 setifdescr(if_ctx *ctx, const char *val, int dummy __unused) 1596 { 1597 struct ifreq ifr = {}; 1598 char *newdescr; 1599 1600 ifr.ifr_buffer.length = strlen(val) + 1; 1601 if (ifr.ifr_buffer.length == 1) { 1602 ifr.ifr_buffer.buffer = newdescr = NULL; 1603 ifr.ifr_buffer.length = 0; 1604 } else { 1605 newdescr = strdup(val); 1606 ifr.ifr_buffer.buffer = newdescr; 1607 if (newdescr == NULL) { 1608 warn("no memory to set ifdescr"); 1609 return; 1610 } 1611 } 1612 1613 if (ioctl_ctx_ifr(ctx, SIOCSIFDESCR, &ifr) < 0) 1614 err(1, "ioctl SIOCSIFDESCR (set descr)"); 1615 1616 free(newdescr); 1617 } 1618 1619 static void 1620 unsetifdescr(if_ctx *ctx, const char *val __unused, int value __unused) 1621 { 1622 setifdescr(ctx, "", 0); 1623 } 1624 1625 #ifdef WITHOUT_NETLINK 1626 1627 static const char *IFFBITS[] = { 1628 [0] = "UP", 1629 [1] = "BROADCAST", 1630 [2] = "DEBUG", 1631 [3] = "LOOPBACK", 1632 [4] = "POINTOPOINT", 1633 [6] = "RUNNING", 1634 [7] = "NOARP", 1635 [8] = "PROMISC", 1636 [9] = "ALLMULTI", 1637 [10] = "OACTIVE", 1638 [11] = "SIMPLEX", 1639 [12] = "LINK0", 1640 [13] = "LINK1", 1641 [14] = "LINK2", 1642 [15] = "MULTICAST", 1643 [17] = "PPROMISC", 1644 [18] = "MONITOR", 1645 [19] = "STATICARP", 1646 [20] = "STICKYARP", 1647 }; 1648 1649 static const char *IFCAPBITS[] = { 1650 [0] = "RXCSUM", 1651 [1] = "TXCSUM", 1652 [2] = "NETCONS", 1653 [3] = "VLAN_MTU", 1654 [4] = "VLAN_HWTAGGING", 1655 [5] = "JUMBO_MTU", 1656 [6] = "POLLING", 1657 [7] = "VLAN_HWCSUM", 1658 [8] = "TSO4", 1659 [9] = "TSO6", 1660 [10] = "LRO", 1661 [11] = "WOL_UCAST", 1662 [12] = "WOL_MCAST", 1663 [13] = "WOL_MAGIC", 1664 [14] = "TOE4", 1665 [15] = "TOE6", 1666 [16] = "VLAN_HWFILTER", 1667 [18] = "VLAN_HWTSO", 1668 [19] = "LINKSTATE", 1669 [20] = "NETMAP", 1670 [21] = "RXCSUM_IPV6", 1671 [22] = "TXCSUM_IPV6", 1672 [23] = "HWSTATS", 1673 [24] = "TXRTLMT", 1674 [25] = "HWRXTSTMP", 1675 [26] = "MEXTPG", 1676 [27] = "TXTLS4", 1677 [28] = "TXTLS6", 1678 [29] = "VXLAN_HWCSUM", 1679 [30] = "VXLAN_HWTSO", 1680 [31] = "TXTLS_RTLMT", 1681 }; 1682 1683 static void 1684 print_ifcap_nv(if_ctx *ctx) 1685 { 1686 struct ifreq ifr = {}; 1687 nvlist_t *nvcap; 1688 const char *nvname; 1689 void *buf, *cookie; 1690 bool first, val; 1691 int type; 1692 1693 buf = malloc(IFR_CAP_NV_MAXBUFSIZE); 1694 if (buf == NULL) 1695 Perror("malloc"); 1696 ifr.ifr_cap_nv.buffer = buf; 1697 ifr.ifr_cap_nv.buf_length = IFR_CAP_NV_MAXBUFSIZE; 1698 if (ioctl_ctx_ifr(ctx, SIOCGIFCAPNV, &ifr) != 0) 1699 Perror("ioctl (SIOCGIFCAPNV)"); 1700 nvcap = nvlist_unpack(ifr.ifr_cap_nv.buffer, 1701 ifr.ifr_cap_nv.length, 0); 1702 if (nvcap == NULL) 1703 Perror("nvlist_unpack"); 1704 printf("\toptions"); 1705 cookie = NULL; 1706 for (first = true;; first = false) { 1707 nvname = nvlist_next(nvcap, &type, &cookie); 1708 if (nvname == NULL) { 1709 printf("\n"); 1710 break; 1711 } 1712 if (type == NV_TYPE_BOOL) { 1713 val = nvlist_get_bool(nvcap, nvname); 1714 if (val) { 1715 printf("%c%s", 1716 first ? ' ' : ',', nvname); 1717 } 1718 } 1719 } 1720 if (ctx->args->supmedia) { 1721 printf("\tcapabilities"); 1722 cookie = NULL; 1723 for (first = true;; first = false) { 1724 nvname = nvlist_next(nvcap, &type, 1725 &cookie); 1726 if (nvname == NULL) { 1727 printf("\n"); 1728 break; 1729 } 1730 if (type == NV_TYPE_BOOL) 1731 printf("%c%s", first ? ' ' : 1732 ',', nvname); 1733 } 1734 } 1735 nvlist_destroy(nvcap); 1736 free(buf); 1737 1738 if (ioctl_ctx(ctx, SIOCGIFCAP, (caddr_t)&ifr) != 0) 1739 Perror("ioctl (SIOCGIFCAP)"); 1740 } 1741 1742 static void 1743 print_ifcap(if_ctx *ctx) 1744 { 1745 struct ifreq ifr = {}; 1746 1747 if (ioctl_ctx_ifr(ctx, SIOCGIFCAP, &ifr) != 0) 1748 return; 1749 1750 if ((ifr.ifr_curcap & IFCAP_NV) != 0) 1751 print_ifcap_nv(ctx); 1752 else { 1753 printf("\toptions=%x", ifr.ifr_curcap); 1754 print_bits("options", &ifr.ifr_curcap, 1, IFCAPBITS, nitems(IFCAPBITS)); 1755 putchar('\n'); 1756 if (ctx->args->supmedia && ifr.ifr_reqcap != 0) { 1757 printf("\tcapabilities=%x", ifr.ifr_reqcap); 1758 print_bits("capabilities", &ifr.ifr_reqcap, 1, IFCAPBITS, nitems(IFCAPBITS)); 1759 putchar('\n'); 1760 } 1761 } 1762 } 1763 #endif 1764 1765 void 1766 print_ifstatus(if_ctx *ctx) 1767 { 1768 struct ifstat ifs; 1769 1770 strlcpy(ifs.ifs_name, ctx->ifname, sizeof ifs.ifs_name); 1771 if (ioctl_ctx(ctx, SIOCGIFSTATUS, &ifs) == 0) 1772 printf("%s", ifs.ascii); 1773 } 1774 1775 void 1776 print_metric(if_ctx *ctx) 1777 { 1778 struct ifreq ifr = {}; 1779 1780 if (ioctl_ctx_ifr(ctx, SIOCGIFMETRIC, &ifr) != -1) 1781 printf(" metric %d", ifr.ifr_metric); 1782 } 1783 1784 #ifdef WITHOUT_NETLINK 1785 static void 1786 print_mtu(if_ctx *ctx) 1787 { 1788 struct ifreq ifr = {}; 1789 1790 if (ioctl_ctx_ifr(ctx, SIOCGIFMTU, &ifr) != -1) 1791 printf(" mtu %d", ifr.ifr_mtu); 1792 } 1793 1794 static void 1795 print_description(if_ctx *ctx) 1796 { 1797 struct ifreq ifr = {}; 1798 1799 ifr_set_name(&ifr, ctx->ifname); 1800 for (;;) { 1801 if ((descr = reallocf(descr, descrlen)) != NULL) { 1802 ifr.ifr_buffer.buffer = descr; 1803 ifr.ifr_buffer.length = descrlen; 1804 if (ioctl_ctx(ctx, SIOCGIFDESCR, &ifr) == 0) { 1805 if (ifr.ifr_buffer.buffer == descr) { 1806 if (strlen(descr) > 0) 1807 printf("\tdescription: %s\n", 1808 descr); 1809 } else if (ifr.ifr_buffer.length > descrlen) { 1810 descrlen = ifr.ifr_buffer.length; 1811 continue; 1812 } 1813 } 1814 } else 1815 warn("unable to allocate memory for interface" 1816 "description"); 1817 break; 1818 } 1819 } 1820 1821 /* 1822 * Print the status of the interface. If an address family was 1823 * specified, show only it; otherwise, show them all. 1824 */ 1825 static void 1826 status(if_ctx *ctx, const struct sockaddr_dl *sdl __unused, struct ifaddrs *ifa) 1827 { 1828 struct ifaddrs *ift; 1829 int s, old_s; 1830 struct ifconfig_args *args = ctx->args; 1831 bool allfamilies = args->afp == NULL; 1832 struct ifreq ifr = {}; 1833 1834 if (args->afp == NULL) 1835 ifr.ifr_addr.sa_family = AF_LOCAL; 1836 else 1837 ifr.ifr_addr.sa_family = 1838 args->afp->af_af == AF_LINK ? AF_LOCAL : args->afp->af_af; 1839 1840 s = socket(ifr.ifr_addr.sa_family, SOCK_DGRAM, 0); 1841 if (s < 0) 1842 err(1, "socket(family %u,SOCK_DGRAM)", ifr.ifr_addr.sa_family); 1843 old_s = ctx->io_s; 1844 ctx->io_s = s; 1845 1846 printf("%s: flags=%x", ctx->ifname, ifa->ifa_flags); 1847 print_bits("flags", &ifa->ifa_flags, 1, IFFBITS, nitems(IFFBITS)); 1848 print_metric(ctx); 1849 print_mtu(ctx); 1850 putchar('\n'); 1851 1852 print_description(ctx); 1853 1854 print_ifcap(ctx); 1855 1856 tunnel_status(ctx); 1857 1858 for (ift = ifa; ift != NULL; ift = ift->ifa_next) { 1859 if (ift->ifa_addr == NULL) 1860 continue; 1861 if (strcmp(ifa->ifa_name, ift->ifa_name) != 0) 1862 continue; 1863 if (allfamilies) { 1864 const struct afswtch *p; 1865 p = af_getbyfamily(ift->ifa_addr->sa_family); 1866 if (p != NULL && p->af_status != NULL) 1867 p->af_status(ctx, ift); 1868 } else if (args->afp->af_af == ift->ifa_addr->sa_family) 1869 args->afp->af_status(ctx, ift); 1870 } 1871 #if 0 1872 if (allfamilies || afp->af_af == AF_LINK) { 1873 const struct afswtch *lafp; 1874 1875 /* 1876 * Hack; the link level address is received separately 1877 * from the routing information so any address is not 1878 * handled above. Cobble together an entry and invoke 1879 * the status method specially. 1880 */ 1881 lafp = af_getbyname("lladdr"); 1882 if (lafp != NULL) { 1883 info.rti_info[RTAX_IFA] = (struct sockaddr *)sdl; 1884 lafp->af_status(s, &info); 1885 } 1886 } 1887 #endif 1888 if (allfamilies) 1889 af_other_status(ctx); 1890 else if (args->afp->af_other_status != NULL) 1891 args->afp->af_other_status(ctx); 1892 1893 print_ifstatus(ctx); 1894 if (args->verbose > 0) 1895 sfp_status(ctx); 1896 1897 close(s); 1898 ctx->io_s = old_s; 1899 return; 1900 } 1901 #endif 1902 1903 void 1904 tunnel_status(if_ctx *ctx) 1905 { 1906 af_all_tunnel_status(ctx); 1907 } 1908 1909 static void 1910 Perrorc(const char *cmd, int error) 1911 { 1912 switch (errno) { 1913 1914 case ENXIO: 1915 errx(1, "%s: no such interface", cmd); 1916 break; 1917 1918 case EPERM: 1919 errx(1, "%s: permission denied", cmd); 1920 break; 1921 1922 default: 1923 errc(1, error, "%s", cmd); 1924 } 1925 } 1926 1927 void 1928 Perror(const char *cmd) 1929 { 1930 Perrorc(cmd, errno); 1931 } 1932 1933 void 1934 print_bits(const char *btype, uint32_t *v, const int v_count, 1935 const char **names, const int n_count) 1936 { 1937 int num = 0; 1938 1939 for (int i = 0; i < v_count * 32; i++) { 1940 bool is_set = v[i / 32] & (1U << (i % 32)); 1941 if (is_set) { 1942 if (num++ == 0) 1943 printf("<"); 1944 if (num != 1) 1945 printf(","); 1946 if (i < n_count) 1947 printf("%s", names[i]); 1948 else 1949 printf("%s_%d", btype, i); 1950 } 1951 } 1952 if (num > 0) 1953 printf(">"); 1954 } 1955 1956 /* 1957 * Print a value a la the %b format of the kernel's printf 1958 */ 1959 void 1960 printb(const char *s, unsigned v, const char *bits) 1961 { 1962 int i, any = 0; 1963 char c; 1964 1965 if (bits && *bits == 8) 1966 printf("%s=%o", s, v); 1967 else 1968 printf("%s=%x", s, v); 1969 if (bits) { 1970 bits++; 1971 putchar('<'); 1972 while ((i = *bits++) != '\0') { 1973 if (v & (1u << (i-1))) { 1974 if (any) 1975 putchar(','); 1976 any = 1; 1977 for (; (c = *bits) > 32; bits++) 1978 putchar(c); 1979 } else 1980 for (; *bits > 32; bits++) 1981 ; 1982 } 1983 putchar('>'); 1984 } 1985 } 1986 1987 void 1988 print_vhid(const struct ifaddrs *ifa) 1989 { 1990 struct if_data *ifd; 1991 1992 if (ifa->ifa_data == NULL) 1993 return; 1994 1995 ifd = ifa->ifa_data; 1996 if (ifd->ifi_vhid == 0) 1997 return; 1998 1999 printf(" vhid %d", ifd->ifi_vhid); 2000 } 2001 2002 void 2003 ifmaybeload(struct ifconfig_args *args, const char *name) 2004 { 2005 #define MOD_PREFIX_LEN 3 /* "if_" */ 2006 struct module_stat mstat; 2007 int fileid, modid; 2008 char ifkind[IFNAMSIZ + MOD_PREFIX_LEN], ifname[IFNAMSIZ], *dp; 2009 const char *cp; 2010 struct module_map_entry *mme; 2011 bool found; 2012 2013 /* loading suppressed by the user */ 2014 if (args->noload) 2015 return; 2016 2017 /* trim the interface number off the end */ 2018 strlcpy(ifname, name, sizeof(ifname)); 2019 dp = ifname + strlen(ifname) - 1; 2020 for (; dp > ifname; dp--) { 2021 if (isdigit(*dp)) 2022 *dp = '\0'; 2023 else 2024 break; 2025 } 2026 2027 /* Either derive it from the map or guess otherwise */ 2028 *ifkind = '\0'; 2029 found = false; 2030 for (unsigned i = 0; i < nitems(module_map); ++i) { 2031 mme = &module_map[i]; 2032 if (strcmp(mme->ifname, ifname) == 0) { 2033 strlcpy(ifkind, mme->kldname, sizeof(ifkind)); 2034 found = true; 2035 break; 2036 } 2037 } 2038 2039 /* We didn't have an alias for it... we'll guess. */ 2040 if (!found) { 2041 /* turn interface and unit into module name */ 2042 strlcpy(ifkind, "if_", sizeof(ifkind)); 2043 strlcat(ifkind, ifname, sizeof(ifkind)); 2044 } 2045 2046 /* scan files in kernel */ 2047 mstat.version = sizeof(struct module_stat); 2048 for (fileid = kldnext(0); fileid > 0; fileid = kldnext(fileid)) { 2049 /* scan modules in file */ 2050 for (modid = kldfirstmod(fileid); modid > 0; 2051 modid = modfnext(modid)) { 2052 if (modstat(modid, &mstat) < 0) 2053 continue; 2054 /* strip bus name if present */ 2055 if ((cp = strchr(mstat.name, '/')) != NULL) { 2056 cp++; 2057 } else { 2058 cp = mstat.name; 2059 } 2060 /* 2061 * Is it already loaded? Don't compare with ifname if 2062 * we were specifically told which kld to use. Doing 2063 * so could lead to conflicts not trivially solved. 2064 */ 2065 if ((!found && strcmp(ifname, cp) == 0) || 2066 strcmp(ifkind, cp) == 0) 2067 return; 2068 } 2069 } 2070 2071 /* 2072 * Try to load the module. But ignore failures, because ifconfig can't 2073 * infer the names of all drivers (eg mlx4en(4)). 2074 */ 2075 (void) kldload(ifkind); 2076 } 2077 2078 static struct cmd basic_cmds[] = { 2079 DEF_CMD("up", IFF_UP, setifflags), 2080 DEF_CMD("down", IFF_UP, clearifflags), 2081 DEF_CMD("arp", IFF_NOARP, clearifflags), 2082 DEF_CMD("-arp", IFF_NOARP, setifflags), 2083 DEF_CMD("debug", IFF_DEBUG, setifflags), 2084 DEF_CMD("-debug", IFF_DEBUG, clearifflags), 2085 DEF_CMD_ARG("description", setifdescr), 2086 DEF_CMD_ARG("descr", setifdescr), 2087 DEF_CMD("-description", 0, unsetifdescr), 2088 DEF_CMD("-descr", 0, unsetifdescr), 2089 DEF_CMD("allmulti", IFF_PALLMULTI, setifflags), 2090 DEF_CMD("-allmulti", IFF_PALLMULTI, clearifflags), 2091 DEF_CMD("promisc", IFF_PPROMISC, setifflags), 2092 DEF_CMD("-promisc", IFF_PPROMISC, clearifflags), 2093 DEF_CMD("add", IFF_UP, notealias), 2094 DEF_CMD("alias", IFF_UP, notealias), 2095 DEF_CMD("-alias", -IFF_UP, notealias), 2096 DEF_CMD("delete", -IFF_UP, notealias), 2097 DEF_CMD("remove", -IFF_UP, notealias), 2098 DEF_CMD_ARG("netmask", setifnetmask), 2099 DEF_CMD_ARG("metric", setifmetric), 2100 DEF_CMD_ARG("broadcast", setifbroadaddr), 2101 DEF_CMD_ARG2("tunnel", settunnel), 2102 DEF_CMD("-tunnel", 0, deletetunnel), 2103 DEF_CMD("deletetunnel", 0, deletetunnel), 2104 #ifdef JAIL 2105 DEF_CMD_ARG("vnet", setifvnet), 2106 DEF_CMD_ARG("-vnet", setifrvnet), 2107 #endif 2108 DEF_CMD("link0", IFF_LINK0, setifflags), 2109 DEF_CMD("-link0", IFF_LINK0, clearifflags), 2110 DEF_CMD("link1", IFF_LINK1, setifflags), 2111 DEF_CMD("-link1", IFF_LINK1, clearifflags), 2112 DEF_CMD("link2", IFF_LINK2, setifflags), 2113 DEF_CMD("-link2", IFF_LINK2, clearifflags), 2114 DEF_CMD("monitor", IFF_MONITOR, setifflags), 2115 DEF_CMD("-monitor", IFF_MONITOR, clearifflags), 2116 DEF_CMD("mextpg", IFCAP_MEXTPG, setifcap), 2117 DEF_CMD("-mextpg", IFCAP_MEXTPG, clearifcap), 2118 DEF_CMD("staticarp", IFF_STATICARP, setifflags), 2119 DEF_CMD("-staticarp", IFF_STATICARP, clearifflags), 2120 DEF_CMD("stickyarp", IFF_STICKYARP, setifflags), 2121 DEF_CMD("-stickyarp", IFF_STICKYARP, clearifflags), 2122 DEF_CMD("rxcsum6", IFCAP_RXCSUM_IPV6, setifcap), 2123 DEF_CMD("-rxcsum6", IFCAP_RXCSUM_IPV6, clearifcap), 2124 DEF_CMD("txcsum6", IFCAP_TXCSUM_IPV6, setifcap), 2125 DEF_CMD("-txcsum6", IFCAP_TXCSUM_IPV6, clearifcap), 2126 DEF_CMD("rxcsum", IFCAP_RXCSUM, setifcap), 2127 DEF_CMD("-rxcsum", IFCAP_RXCSUM, clearifcap), 2128 DEF_CMD("txcsum", IFCAP_TXCSUM, setifcap), 2129 DEF_CMD("-txcsum", IFCAP_TXCSUM, clearifcap), 2130 DEF_CMD("netcons", IFCAP_NETCONS, setifcap), 2131 DEF_CMD("-netcons", IFCAP_NETCONS, clearifcap), 2132 DEF_CMD_ARG("pcp", setifpcp), 2133 DEF_CMD("-pcp", 0, disableifpcp), 2134 DEF_CMD("polling", IFCAP_POLLING, setifcap), 2135 DEF_CMD("-polling", IFCAP_POLLING, clearifcap), 2136 DEF_CMD("tso6", IFCAP_TSO6, setifcap), 2137 DEF_CMD("-tso6", IFCAP_TSO6, clearifcap), 2138 DEF_CMD("tso4", IFCAP_TSO4, setifcap), 2139 DEF_CMD("-tso4", IFCAP_TSO4, clearifcap), 2140 DEF_CMD("tso", IFCAP_TSO, setifcap), 2141 DEF_CMD("-tso", IFCAP_TSO, clearifcap), 2142 DEF_CMD("toe", IFCAP_TOE, setifcap), 2143 DEF_CMD("-toe", IFCAP_TOE, clearifcap), 2144 DEF_CMD("lro", IFCAP_LRO, setifcap), 2145 DEF_CMD("-lro", IFCAP_LRO, clearifcap), 2146 DEF_CMD("txtls", IFCAP_TXTLS, setifcap), 2147 DEF_CMD("-txtls", IFCAP_TXTLS, clearifcap), 2148 DEF_CMD_SARG("rxtls", IFCAP2_RXTLS4_NAME "," IFCAP2_RXTLS6_NAME, 2149 setifcapnv), 2150 DEF_CMD_SARG("-rxtls", "-"IFCAP2_RXTLS4_NAME ",-" IFCAP2_RXTLS6_NAME, 2151 setifcapnv), 2152 DEF_CMD_SARG("ipsec", IFCAP2_IPSEC_OFFLOAD_NAME, setifcapnv), 2153 DEF_CMD_SARG("-ipsec", "-"IFCAP2_IPSEC_OFFLOAD_NAME, setifcapnv), 2154 DEF_CMD("wol", IFCAP_WOL, setifcap), 2155 DEF_CMD("-wol", IFCAP_WOL, clearifcap), 2156 DEF_CMD("wol_ucast", IFCAP_WOL_UCAST, setifcap), 2157 DEF_CMD("-wol_ucast", IFCAP_WOL_UCAST, clearifcap), 2158 DEF_CMD("wol_mcast", IFCAP_WOL_MCAST, setifcap), 2159 DEF_CMD("-wol_mcast", IFCAP_WOL_MCAST, clearifcap), 2160 DEF_CMD("wol_magic", IFCAP_WOL_MAGIC, setifcap), 2161 DEF_CMD("-wol_magic", IFCAP_WOL_MAGIC, clearifcap), 2162 DEF_CMD("txrtlmt", IFCAP_TXRTLMT, setifcap), 2163 DEF_CMD("-txrtlmt", IFCAP_TXRTLMT, clearifcap), 2164 DEF_CMD("txtlsrtlmt", IFCAP_TXTLS_RTLMT, setifcap), 2165 DEF_CMD("-txtlsrtlmt", IFCAP_TXTLS_RTLMT, clearifcap), 2166 DEF_CMD("hwrxtstmp", IFCAP_HWRXTSTMP, setifcap), 2167 DEF_CMD("-hwrxtstmp", IFCAP_HWRXTSTMP, clearifcap), 2168 DEF_CMD("normal", IFF_LINK0, clearifflags), 2169 DEF_CMD("compress", IFF_LINK0, setifflags), 2170 DEF_CMD("noicmp", IFF_LINK1, setifflags), 2171 DEF_CMD_ARG("mtu", setifmtu), 2172 DEF_CMD_ARG("name", setifname), 2173 }; 2174 2175 static __constructor void 2176 ifconfig_ctor(void) 2177 { 2178 size_t i; 2179 2180 for (i = 0; i < nitems(basic_cmds); i++) 2181 cmd_register(&basic_cmds[i]); 2182 } 2183