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