ifconfig.c revision 1.107
1/* $NetBSD: ifconfig.c,v 1.107 2001/04/28 04:11:10 itojun Exp $ */ 2 3/*- 4 * Copyright (c) 1997, 1998, 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40/* 41 * Copyright (c) 1983, 1993 42 * The Regents of the University of California. All rights reserved. 43 * 44 * Redistribution and use in source and binary forms, with or without 45 * modification, are permitted provided that the following conditions 46 * are met: 47 * 1. Redistributions of source code must retain the above copyright 48 * notice, this list of conditions and the following disclaimer. 49 * 2. Redistributions in binary form must reproduce the above copyright 50 * notice, this list of conditions and the following disclaimer in the 51 * documentation and/or other materials provided with the distribution. 52 * 3. All advertising materials mentioning features or use of this software 53 * must display the following acknowledgement: 54 * This product includes software developed by the University of 55 * California, Berkeley and its contributors. 56 * 4. Neither the name of the University nor the names of its contributors 57 * may be used to endorse or promote products derived from this software 58 * without specific prior written permission. 59 * 60 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 61 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 62 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 63 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 64 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 65 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 66 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 67 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 68 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 69 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 70 * SUCH DAMAGE. 71 */ 72 73#include <sys/cdefs.h> 74#ifndef lint 75__COPYRIGHT("@(#) Copyright (c) 1983, 1993\n\ 76 The Regents of the University of California. All rights reserved.\n"); 77#endif /* not lint */ 78 79#ifndef lint 80#if 0 81static char sccsid[] = "@(#)ifconfig.c 8.2 (Berkeley) 2/16/94"; 82#else 83__RCSID("$NetBSD: ifconfig.c,v 1.107 2001/04/28 04:11:10 itojun Exp $"); 84#endif 85#endif /* not lint */ 86 87#include <sys/param.h> 88#include <sys/socket.h> 89#include <sys/ioctl.h> 90 91#include <net/if.h> 92#include <net/if_dl.h> 93#include <net/if_media.h> 94#include <net/if_ether.h> 95#include <net/if_ieee80211.h> 96#include <net/if_vlanvar.h> 97#include <netinet/in.h> 98#include <netinet/in_var.h> 99#ifdef INET6 100#include <netinet6/nd6.h> 101#endif 102#include <arpa/inet.h> 103 104#include <netatalk/at.h> 105 106#define NSIP 107#include <netns/ns.h> 108#include <netns/ns_if.h> 109#include <netdb.h> 110 111#define EON 112#include <netiso/iso.h> 113#include <netiso/iso_var.h> 114#include <sys/protosw.h> 115 116#include <ctype.h> 117#include <err.h> 118#include <errno.h> 119#include <stddef.h> 120#include <stdio.h> 121#include <stdlib.h> 122#include <string.h> 123#include <unistd.h> 124#include <ifaddrs.h> 125 126struct ifreq ifr, ridreq; 127struct ifaliasreq addreq __attribute__((aligned(4))); 128#ifdef INET6 129struct in6_ifreq ifr6; 130struct in6_ifreq in6_ridreq; 131struct in6_aliasreq in6_addreq __attribute__((aligned(4))); 132#endif 133struct iso_ifreq iso_ridreq; 134struct iso_aliasreq iso_addreq; 135struct sockaddr_in netmask; 136struct netrange at_nr; /* AppleTalk net range */ 137 138char name[30]; 139int flags, metric, mtu, setaddr, setipdst, doalias; 140int clearaddr, s; 141int newaddr = -1; 142int nsellength = 1; 143int af; 144int aflag, bflag, Cflag, dflag, lflag, mflag, sflag, uflag; 145#ifdef INET6 146int Lflag; 147#endif 148int reset_if_flags; 149int explicit_prefix = 0; 150u_int vlan_tag = (u_int)-1; 151 152void notealias __P((const char *, int)); 153void notrailers __P((const char *, int)); 154void setifaddr __P((const char *, int)); 155void setifdstaddr __P((const char *, int)); 156void setifflags __P((const char *, int)); 157void setifbroadaddr __P((const char *, int)); 158void setifipdst __P((const char *, int)); 159void setifmetric __P((const char *, int)); 160void setifmtu __P((const char *, int)); 161void setifnwid __P((const char *, int)); 162void setifnwkey __P((const char *, int)); 163void setifpowersave __P((const char *, int)); 164void setifpowersavesleep __P((const char *, int)); 165void setifnetmask __P((const char *, int)); 166void setifprefixlen __P((const char *, int)); 167void setnsellength __P((const char *, int)); 168void setsnpaoffset __P((const char *, int)); 169void setatrange __P((const char *, int)); 170void setatphase __P((const char *, int)); 171void settunnel __P((const char *, const char *)); 172void deletetunnel __P((const char *, int)); 173#ifdef INET6 174void setia6flags __P((const char *, int)); 175void setia6pltime __P((const char *, int)); 176void setia6vltime __P((const char *, int)); 177void setia6lifetime __P((const char *, const char *)); 178#endif 179void checkatrange __P ((struct sockaddr_at *)); 180void setmedia __P((const char *, int)); 181void setmediaopt __P((const char *, int)); 182void unsetmediaopt __P((const char *, int)); 183void setmediainst __P((const char *, int)); 184void clone_create __P((const char *, int)); 185void clone_destroy __P((const char *, int)); 186void fixnsel __P((struct sockaddr_iso *)); 187void setvlan __P((const char *, int)); 188void setvlanif __P((const char *, int)); 189void unsetvlanif __P((const char *, int)); 190int main __P((int, char *[])); 191 192/* 193 * Media stuff. Whenever a media command is first performed, the 194 * currently select media is grabbed for this interface. If `media' 195 * is given, the current media word is modifed. `mediaopt' commands 196 * only modify the set and clear words. They then operate on the 197 * current media word later. 198 */ 199int media_current; 200int mediaopt_set; 201int mediaopt_clear; 202 203int actions; /* Actions performed */ 204 205#define A_MEDIA 0x0001 /* media command */ 206#define A_MEDIAOPTSET 0x0002 /* mediaopt command */ 207#define A_MEDIAOPTCLR 0x0004 /* -mediaopt command */ 208#define A_MEDIAOPT (A_MEDIAOPTSET|A_MEDIAOPTCLR) 209#define A_MEDIAINST 0x0008 /* instance or inst command */ 210 211#define NEXTARG 0xffffff 212#define NEXTARG2 0xfffffe 213 214const struct cmd { 215 const char *c_name; 216 int c_parameter; /* NEXTARG means next argv */ 217 int c_action; /* defered action */ 218 void (*c_func) __P((const char *, int)); 219 void (*c_func2) __P((const char *, const char *)); 220} cmds[] = { 221 { "up", IFF_UP, 0, setifflags } , 222 { "down", -IFF_UP, 0, setifflags }, 223 { "trailers", -1, 0, notrailers }, 224 { "-trailers", 1, 0, notrailers }, 225 { "arp", -IFF_NOARP, 0, setifflags }, 226 { "-arp", IFF_NOARP, 0, setifflags }, 227 { "debug", IFF_DEBUG, 0, setifflags }, 228 { "-debug", -IFF_DEBUG, 0, setifflags }, 229 { "alias", IFF_UP, 0, notealias }, 230 { "-alias", -IFF_UP, 0, notealias }, 231 { "delete", -IFF_UP, 0, notealias }, 232#ifdef notdef 233#define EN_SWABIPS 0x1000 234 { "swabips", EN_SWABIPS, 0, setifflags }, 235 { "-swabips", -EN_SWABIPS, 0, setifflags }, 236#endif 237 { "netmask", NEXTARG, 0, setifnetmask }, 238 { "metric", NEXTARG, 0, setifmetric }, 239 { "mtu", NEXTARG, 0, setifmtu }, 240 { "nwid", NEXTARG, 0, setifnwid }, 241 { "nwkey", NEXTARG, 0, setifnwkey }, 242 { "-nwkey", -1, 0, setifnwkey }, 243 { "powersave", 1, 0, setifpowersave }, 244 { "-powersave", 0, 0, setifpowersave }, 245 { "powersavesleep", NEXTARG, 0, setifpowersavesleep }, 246 { "broadcast", NEXTARG, 0, setifbroadaddr }, 247 { "ipdst", NEXTARG, 0, setifipdst }, 248 { "prefixlen", NEXTARG, 0, setifprefixlen}, 249#ifdef INET6 250 { "anycast", IN6_IFF_ANYCAST, 0, setia6flags }, 251 { "-anycast", -IN6_IFF_ANYCAST, 0, setia6flags }, 252 { "tentative", IN6_IFF_TENTATIVE, 0, setia6flags }, 253 { "-tentative", -IN6_IFF_TENTATIVE, 0, setia6flags }, 254 { "deprecated", IN6_IFF_DEPRECATED, 0, setia6flags }, 255 { "-deprecated", -IN6_IFF_DEPRECATED, 0, setia6flags }, 256 { "pltime", NEXTARG, 0, setia6pltime }, 257 { "vltime", NEXTARG, 0, setia6vltime }, 258#endif /*INET6*/ 259#ifndef INET_ONLY 260 { "range", NEXTARG, 0, setatrange }, 261 { "phase", NEXTARG, 0, setatphase }, 262 { "snpaoffset", NEXTARG, 0, setsnpaoffset }, 263 { "nsellength", NEXTARG, 0, setnsellength }, 264#endif /* INET_ONLY */ 265 { "tunnel", NEXTARG2, 0, NULL, 266 settunnel } , 267 { "deletetunnel", 0, 0, deletetunnel }, 268 { "vlan", NEXTARG, 0, setvlan } , 269 { "vlanif", NEXTARG, 0, setvlanif } , 270 { "-vlanif", 0, 0, unsetvlanif } , 271 { "deletetunnel", 0, 0, deletetunnel }, 272#if 0 273 /* XXX `create' special-cased below */ 274 { "create", 0, 0, clone_create } , 275#endif 276 { "destroy", 0, 0, clone_destroy } , 277 { "link0", IFF_LINK0, 0, setifflags } , 278 { "-link0", -IFF_LINK0, 0, setifflags } , 279 { "link1", IFF_LINK1, 0, setifflags } , 280 { "-link1", -IFF_LINK1, 0, setifflags } , 281 { "link2", IFF_LINK2, 0, setifflags } , 282 { "-link2", -IFF_LINK2, 0, setifflags } , 283 { "media", NEXTARG, A_MEDIA, setmedia }, 284 { "mediaopt", NEXTARG, A_MEDIAOPTSET, setmediaopt }, 285 { "-mediaopt", NEXTARG, A_MEDIAOPTCLR, unsetmediaopt }, 286 { "instance", NEXTARG, A_MEDIAINST, setmediainst }, 287 { "inst", NEXTARG, A_MEDIAINST, setmediainst }, 288 { 0, 0, 0, setifaddr }, 289 { 0, 0, 0, setifdstaddr }, 290}; 291 292void adjust_nsellength __P((void)); 293int getinfo __P((struct ifreq *)); 294int carrier __P((void)); 295void getsock __P((int)); 296void printall __P((const char *)); 297void list_cloners __P((void)); 298void printb __P((const char *, unsigned short, const char *)); 299int prefix __P((void *, int)); 300void status __P((const u_int8_t *, int)); 301void usage __P((void)); 302const char *get_string __P((const char *, const char *, u_int8_t *, int *)); 303void print_string __P((const u_int8_t *, int)); 304char *sec2str __P((time_t)); 305 306const char *get_media_type_string __P((int)); 307const char *get_media_subtype_string __P((int)); 308int get_media_subtype __P((int, const char *)); 309int get_media_options __P((int, const char *)); 310int lookup_media_word __P((struct ifmedia_description *, int, 311 const char *)); 312void print_media_word __P((int, int, int)); 313void process_media_commands __P((void)); 314void init_current_media __P((void)); 315 316/* 317 * XNS support liberally adapted from code written at the University of 318 * Maryland principally by James O'Toole and Chris Torek. 319 */ 320void in_alias __P((struct ifreq *)); 321void in_status __P((int)); 322void in_getaddr __P((const char *, int)); 323void in_getprefix __P((const char *, int)); 324#ifdef INET6 325void in6_fillscopeid __P((struct sockaddr_in6 *sin6)); 326void in6_alias __P((struct in6_ifreq *)); 327void in6_status __P((int)); 328void in6_getaddr __P((const char *, int)); 329void in6_getprefix __P((const char *, int)); 330#endif 331void at_status __P((int)); 332void at_getaddr __P((const char *, int)); 333void xns_status __P((int)); 334void xns_getaddr __P((const char *, int)); 335void iso_status __P((int)); 336void iso_getaddr __P((const char *, int)); 337 338void ieee80211_status __P((void)); 339void tunnel_status __P((void)); 340void vlan_status __P((void)); 341 342/* Known address families */ 343struct afswtch { 344 const char *af_name; 345 short af_af; 346 void (*af_status) __P((int)); 347 void (*af_getaddr) __P((const char *, int)); 348 void (*af_getprefix) __P((const char *, int)); 349 u_long af_difaddr; 350 u_long af_aifaddr; 351 u_long af_gifaddr; 352 caddr_t af_ridreq; 353 caddr_t af_addreq; 354} afs[] = { 355#define C(x) ((caddr_t) &x) 356 { "inet", AF_INET, in_status, in_getaddr, in_getprefix, 357 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(addreq) }, 358#ifdef INET6 359 { "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix, 360 SIOCDIFADDR_IN6, SIOCAIFADDR_IN6, 361 /* 362 * Deleting the first address before setting new one is 363 * not prefered way in this protocol. 364 */ 365 0, 366 C(in6_ridreq), C(in6_addreq) }, 367#endif 368#ifndef INET_ONLY /* small version, for boot media */ 369 { "atalk", AF_APPLETALK, at_status, at_getaddr, NULL, 370 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(addreq), C(addreq) }, 371 { "ns", AF_NS, xns_status, xns_getaddr, NULL, 372 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(addreq) }, 373 { "iso", AF_ISO, iso_status, iso_getaddr, NULL, 374 SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, SIOCGIFADDR_ISO, 375 C(iso_ridreq), C(iso_addreq) }, 376#endif /* INET_ONLY */ 377 { 0, 0, 0, 0 } 378}; 379 380struct afswtch *afp; /*the address family being set or asked about*/ 381 382struct afswtch *lookup_af __P((const char *)); 383 384int 385main(argc, argv) 386 int argc; 387 char *argv[]; 388{ 389 struct ifreq ifreq; 390 int ch; 391 392 /* Parse command-line options */ 393 aflag = mflag = 0; 394 while ((ch = getopt(argc, argv, "AabCdlmsu" 395#ifdef INET6 396 "L" 397#endif 398 )) != -1) { 399 switch (ch) { 400 case 'A': 401 warnx("-A is deprecated"); 402 break; 403 404 case 'a': 405 aflag = 1; 406 break; 407 408 case 'b': 409 bflag = 1; 410 break; 411 412 413 case 'C': 414 Cflag = 1; 415 break; 416 417 case 'd': 418 dflag = 1; 419 break; 420 421#ifdef INET6 422 case 'L': 423 Lflag = 1; 424 break; 425#endif 426 427 case 'l': 428 lflag = 1; 429 break; 430 431 case 'm': 432 mflag = 1; 433 break; 434 435 case 's': 436 sflag = 1; 437 break; 438 439 case 'u': 440 uflag = 1; 441 break; 442 443 444 default: 445 usage(); 446 /* NOTREACHED */ 447 } 448 } 449 argc -= optind; 450 argv += optind; 451 452 /* 453 * -l means "list all interfaces", and is mutally exclusive with 454 * all other flags/commands. 455 * 456 * -C means "list all names of cloners", and it mutually exclusive 457 * with all other flags/commands. 458 * 459 * -a means "print status of all interfaces". 460 */ 461 if ((lflag || Cflag) && (aflag || mflag || argc)) 462 usage(); 463#ifdef INET6 464 if ((lflag || Cflag) && Lflag) 465 usage(); 466#endif 467 if (lflag && Cflag) 468 usage(); 469 if (Cflag) { 470 if (argc) 471 usage(); 472 list_cloners(); 473 exit(0); 474 } 475 if (aflag || lflag) { 476 if (argc > 1) 477 usage(); 478 else if (argc == 1) { 479 afp = lookup_af(argv[0]); 480 if (afp == NULL) 481 usage(); 482 } 483 if (afp) 484 af = ifr.ifr_addr.sa_family = afp->af_af; 485 else 486 af = ifr.ifr_addr.sa_family = afs[0].af_af; 487 printall(NULL); 488 exit(0); 489 } 490 491 /* Make sure there's an interface name. */ 492 if (argc < 1) 493 usage(); 494 (void) strncpy(name, argv[0], sizeof(name)); 495 argc--; argv++; 496 497 /* 498 * NOTE: We must special-case the `create' command right 499 * here as we would otherwise fail in getinfo(). 500 */ 501 if (argc > 0 && strcmp(argv[0], "create") == 0) { 502 clone_create(argv[0], 0); 503 argc--, argv++; 504 if (argc == 0) 505 exit(0); 506 } 507 508 /* Check for address family. */ 509 afp = NULL; 510 if (argc > 0) { 511 afp = lookup_af(argv[0]); 512 if (afp != NULL) { 513 argv++; 514 argc--; 515 } 516 } 517 518 /* Initialize af, just for use in getinfo(). */ 519 if (afp == NULL) 520 af = afs->af_af; 521 else 522 af = afp->af_af; 523 524 /* Get information about the interface. */ 525 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 526 if (getinfo(&ifr) < 0) 527 exit(1); 528 529 if (sflag) { 530 if (argc != 0) 531 usage(); 532 else 533 exit(carrier()); 534 } 535 536 /* No more arguments means interface status. */ 537 if (argc == 0) { 538 printall(name); 539 exit(0); 540 } 541 542 /* The following operations assume inet family as the default. */ 543 if (afp == NULL) 544 afp = afs; 545 af = ifr.ifr_addr.sa_family = afp->af_af; 546 547#ifdef INET6 548 /* initialization */ 549 in6_addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; 550 in6_addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; 551#endif 552 553 /* Process commands. */ 554 while (argc > 0) { 555 const struct cmd *p; 556 557 for (p = cmds; p->c_name; p++) 558 if (strcmp(argv[0], p->c_name) == 0) 559 break; 560 if (p->c_name == 0 && setaddr) { 561 if ((flags & IFF_POINTOPOINT) == 0) { 562 errx(1, "can't set destination address %s", 563 "on non-point-to-point link"); 564 } 565 p++; /* got src, do dst */ 566 } 567 if (p->c_func != NULL || p->c_func2 != NULL) { 568 if (p->c_parameter == NEXTARG) { 569 if (argc < 2) 570 errx(1, "'%s' requires argument", 571 p->c_name); 572 (*p->c_func)(argv[1], 0); 573 argc--, argv++; 574 } else if (p->c_parameter == NEXTARG2) { 575 if (argc < 3) 576 errx(1, "'%s' requires 2 arguments", 577 p->c_name); 578 (*p->c_func2)(argv[1], argv[2]); 579 argc -= 2, argv += 2; 580 } else 581 (*p->c_func)(argv[0], p->c_parameter); 582 actions |= p->c_action; 583 } 584 argc--, argv++; 585 } 586 587 /* Process any media commands that may have been issued. */ 588 process_media_commands(); 589 590 if (af == AF_INET6 && explicit_prefix == 0) { 591 /* 592 * Aggregatable address architecture defines all prefixes 593 * are 64. So, it is convenient to set prefixlen to 64 if 594 * it is not specified. 595 */ 596 setifprefixlen("64", 0); 597 /* in6_getprefix("64", MASK) if MASK is available here... */ 598 } 599 600#ifndef INET_ONLY 601 if (af == AF_ISO) 602 adjust_nsellength(); 603 604 if (af == AF_APPLETALK) 605 checkatrange((struct sockaddr_at *) &addreq.ifra_addr); 606 607 if (setipdst && af==AF_NS) { 608 struct nsip_req rq; 609 int size = sizeof(rq); 610 611 rq.rq_ns = addreq.ifra_addr; 612 rq.rq_ip = addreq.ifra_dstaddr; 613 614 if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0) 615 warn("encapsulation routing"); 616 } 617 618#endif /* INET_ONLY */ 619 620 if (clearaddr) { 621 (void) strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name); 622 if (ioctl(s, afp->af_difaddr, afp->af_ridreq) < 0) 623 err(1, "SIOCDIFADDR"); 624 } 625 if (newaddr > 0) { 626 (void) strncpy(afp->af_addreq, name, sizeof ifr.ifr_name); 627 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) < 0) 628 warn("SIOCAIFADDR"); 629 } 630 631 if (reset_if_flags) { 632 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 633 ifreq.ifr_flags = flags; 634 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) < 0) 635 err(1, "SIOCSIFFLAGS"); 636 } 637 exit(0); 638} 639 640struct afswtch * 641lookup_af(cp) 642 const char *cp; 643{ 644 struct afswtch *a; 645 646 for (a = afs; a->af_name != NULL; a++) 647 if (strcmp(a->af_name, cp) == 0) 648 return (a); 649 return (NULL); 650} 651 652void 653getsock(naf) 654 int naf; 655{ 656 static int oaf = -1; 657 658 if (oaf == naf) 659 return; 660 if (oaf != -1) 661 close(s); 662 s = socket(naf, SOCK_DGRAM, 0); 663 if (s < 0) 664 oaf = -1; 665 else 666 oaf = naf; 667} 668 669int 670getinfo(ifr) 671 struct ifreq *ifr; 672{ 673 674 getsock(af); 675 if (s < 0) 676 err(1, "socket"); 677 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)ifr) < 0) { 678 warn("SIOCGIFFLAGS %s", ifr->ifr_name); 679 return (-1); 680 } 681 flags = ifr->ifr_flags; 682 if (ioctl(s, SIOCGIFMETRIC, (caddr_t)ifr) < 0) { 683 warn("SIOCGIFMETRIC %s", ifr->ifr_name); 684 metric = 0; 685 } else 686 metric = ifr->ifr_metric; 687 if (ioctl(s, SIOCGIFMTU, (caddr_t)ifr) < 0) 688 mtu = 0; 689 else 690 mtu = ifr->ifr_mtu; 691 return (0); 692} 693 694void 695printall(ifname) 696 const char *ifname; 697{ 698 struct ifaddrs *ifap, *ifa; 699 struct ifreq ifr; 700 const struct sockaddr_dl *sdl = NULL; 701 int idx; 702 char *p; 703 704 if (getifaddrs(&ifap) != 0) 705 err(1, "getifaddrs"); 706 p = NULL; 707 idx = 0; 708 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 709 memset(&ifr, 0, sizeof(ifr)); 710 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 711 if (sizeof(ifr.ifr_addr) >= ifa->ifa_addr->sa_len) { 712 memcpy(&ifr.ifr_addr, ifa->ifa_addr, 713 ifa->ifa_addr->sa_len); 714 } 715 716 if (ifname && strcmp(ifname, ifa->ifa_name) != 0) 717 continue; 718 if (ifa->ifa_addr->sa_family == AF_LINK) 719 sdl = (const struct sockaddr_dl *) ifa->ifa_addr; 720 if (p && strcmp(p, ifa->ifa_name) == 0) 721 continue; 722 (void) strncpy(name, ifa->ifa_name, sizeof(name)); 723 name[sizeof(name) - 1] = '\0'; 724 p = ifa->ifa_name; 725 726 if (getinfo(&ifr) < 0) 727 continue; 728 if (bflag && (ifa->ifa_flags & (IFF_POINTOPOINT|IFF_LOOPBACK))) 729 continue; 730 if (dflag && (ifa->ifa_flags & IFF_UP) != 0) 731 continue; 732 if (uflag && (ifa->ifa_flags & IFF_UP) == 0) 733 continue; 734 735 if (sflag && carrier()) 736 continue; 737 idx++; 738 /* 739 * Are we just listing the interfaces? 740 */ 741 if (lflag) { 742 if (idx > 1) 743 putchar(' '); 744 fputs(name, stdout); 745 continue; 746 } 747 748 if (sdl == NULL) { 749 status(NULL, 0); 750 } else { 751 status(LLADDR(sdl), sdl->sdl_alen); 752 sdl = NULL; 753 } 754 } 755 if (lflag) 756 putchar('\n'); 757 freeifaddrs(ifap); 758} 759 760void 761list_cloners(void) 762{ 763 struct if_clonereq ifcr; 764 char *cp, *buf; 765 int idx; 766 767 memset(&ifcr, 0, sizeof(ifcr)); 768 769 getsock(AF_INET); 770 771 if (ioctl(s, SIOCIFGCLONERS, &ifcr) < 0) 772 err(1, "SIOCIFGCLONERS for count"); 773 774 buf = malloc(ifcr.ifcr_total * IFNAMSIZ); 775 if (buf == NULL) 776 err(1, "unable to allocate cloner name buffer"); 777 778 ifcr.ifcr_count = ifcr.ifcr_total; 779 ifcr.ifcr_buffer = buf; 780 781 if (ioctl(s, SIOCIFGCLONERS, &ifcr) < 0) 782 err(1, "SIOCIFGCLONERS for names"); 783 784 /* 785 * In case some disappeared in the mean time, clamp it down. 786 */ 787 if (ifcr.ifcr_count > ifcr.ifcr_total) 788 ifcr.ifcr_count = ifcr.ifcr_total; 789 790 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) { 791 if (idx > 0) 792 putchar(' '); 793 printf("%s", cp); 794 } 795 796 putchar('\n'); 797 free(buf); 798 return; 799} 800 801/*ARGSUSED*/ 802void 803clone_create(addr, param) 804 const char *addr; 805 int param; 806{ 807 808 /* We're called early... */ 809 getsock(AF_INET); 810 811 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 812 if (ioctl(s, SIOCIFCREATE, &ifr) < 0) 813 err(1, "SIOCIFCREATE"); 814} 815 816/*ARGSUSED*/ 817void 818clone_destroy(addr, param) 819 const char *addr; 820 int param; 821{ 822 823 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 824 if (ioctl(s, SIOCIFDESTROY, &ifr) < 0) 825 err(1, "SIOCIFDESTROY"); 826} 827 828#define RIDADDR 0 829#define ADDR 1 830#define MASK 2 831#define DSTADDR 3 832 833/*ARGSUSED*/ 834void 835setifaddr(addr, param) 836 const char *addr; 837 int param; 838{ 839 struct ifreq *ifr; /* XXX */ 840 841 /* 842 * Delay the ioctl to set the interface addr until flags are all set. 843 * The address interpretation may depend on the flags, 844 * and the flags may change when the address is set. 845 */ 846 setaddr++; 847 if (newaddr == -1) 848 newaddr = 1; 849 if (doalias == 0 && afp->af_gifaddr != 0) { 850 ifr = (struct ifreq *)afp->af_ridreq; 851 (void) strncpy(ifr->ifr_name, name, sizeof(ifr->ifr_name)); 852 ifr->ifr_addr.sa_family = afp->af_af; 853 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0) 854 clearaddr = 1; 855 else if (errno == EADDRNOTAVAIL) 856 /* No address was assigned yet. */ 857 ; 858 else 859 err(1, "SIOCGIFADDR"); 860 } 861 862 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 863} 864 865void 866settunnel(src, dst) 867 const char *src, *dst; 868{ 869 struct addrinfo hints, *srcres, *dstres; 870 int ecode; 871 struct if_laddrreq req; 872 873 memset(&hints, 0, sizeof(hints)); 874 hints.ai_family = afp->af_af; 875 hints.ai_socktype = SOCK_DGRAM; /*dummy*/ 876 877 if ((ecode = getaddrinfo(src, NULL, &hints, &srcres)) != 0) 878 errx(1, "error in parsing address string: %s", 879 gai_strerror(ecode)); 880 881 if ((ecode = getaddrinfo(dst, NULL, &hints, &dstres)) != 0) 882 errx(1, "error in parsing address string: %s", 883 gai_strerror(ecode)); 884 885 if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family) 886 errx(1, 887 "source and destination address families do not match"); 888 889 if (srcres->ai_addrlen > sizeof(req.addr) || 890 dstres->ai_addrlen > sizeof(req.dstaddr)) 891 errx(1, "invalid sockaddr"); 892 893 memset(&req, 0, sizeof(req)); 894 strncpy(req.iflr_name, name, sizeof(req.iflr_name)); 895 memcpy(&req.addr, srcres->ai_addr, srcres->ai_addrlen); 896 memcpy(&req.dstaddr, dstres->ai_addr, dstres->ai_addrlen); 897 if (ioctl(s, SIOCSLIFPHYADDR, &req) < 0) 898 warn("SIOCSLIFPHYADDR"); 899 900 freeaddrinfo(srcres); 901 freeaddrinfo(dstres); 902} 903 904/* ARGSUSED */ 905void 906deletetunnel(vname, param) 907 const char *vname; 908 int param; 909{ 910 911 if (ioctl(s, SIOCDIFPHYADDR, &ifr) < 0) 912 err(1, "SIOCDIFPHYADDR"); 913} 914 915void setvlan(val, d) 916 const char *val; 917 int d; 918{ 919 struct vlanreq vlr; 920 921 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 922 !isdigit(ifr.ifr_name[4])) 923 errx(EXIT_FAILURE, 924 "``vlan'' valid only with vlan(4) interfaces"); 925 926 vlan_tag = atoi(val); 927 928 memset(&vlr, 0, sizeof(vlr)); 929 ifr.ifr_data = (caddr_t)&vlr; 930 931 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 932 err(EXIT_FAILURE, "SIOCGETVLAN"); 933 934 vlr.vlr_tag = vlan_tag; 935 936 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 937 err(EXIT_FAILURE, "SIOCSETVLAN"); 938} 939 940void setvlanif(val, d) 941 const char *val; 942 int d; 943{ 944 struct vlanreq vlr; 945 946 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 947 !isdigit(ifr.ifr_name[4])) 948 errx(EXIT_FAILURE, 949 "``vlanif'' valid only with vlan(4) interfaces"); 950 951 if (vlan_tag == (u_int)-1) 952 errx(EXIT_FAILURE, 953 "must specify both ``vlan'' and ``vlanif''"); 954 955 memset(&vlr, 0, sizeof(vlr)); 956 ifr.ifr_data = (caddr_t)&vlr; 957 958 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 959 err(EXIT_FAILURE, "SIOCGETVLAN"); 960 961 strlcpy(vlr.vlr_parent, val, sizeof(vlr.vlr_parent)); 962 vlr.vlr_tag = vlan_tag; 963 964 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 965 err(EXIT_FAILURE, "SIOCSETVLAN"); 966} 967 968void unsetvlanif(val, d) 969 const char *val; 970 int d; 971{ 972 struct vlanreq vlr; 973 974 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 975 !isdigit(ifr.ifr_name[4])) 976 errx(EXIT_FAILURE, 977 "``vlanif'' valid only with vlan(4) interfaces"); 978 979 memset(&vlr, 0, sizeof(vlr)); 980 ifr.ifr_data = (caddr_t)&vlr; 981 982 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 983 err(EXIT_FAILURE, "SIOCGETVLAN"); 984 985 vlr.vlr_parent[0] = '\0'; 986 vlr.vlr_tag = 0; 987 988 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 989 err(EXIT_FAILURE, "SIOCSETVLAN"); 990} 991 992void 993setifnetmask(addr, d) 994 const char *addr; 995 int d; 996{ 997 (*afp->af_getaddr)(addr, MASK); 998} 999 1000void 1001setifbroadaddr(addr, d) 1002 const char *addr; 1003 int d; 1004{ 1005 (*afp->af_getaddr)(addr, DSTADDR); 1006} 1007 1008void 1009setifipdst(addr, d) 1010 const char *addr; 1011 int d; 1012{ 1013 in_getaddr(addr, DSTADDR); 1014 setipdst++; 1015 clearaddr = 0; 1016 newaddr = 0; 1017} 1018 1019#define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 1020/*ARGSUSED*/ 1021void 1022notealias(addr, param) 1023 const char *addr; 1024 int param; 1025{ 1026 if (setaddr && doalias == 0 && param < 0) 1027 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 1028 rqtosa(af_addreq)->sa_len); 1029 doalias = param; 1030 if (param < 0) { 1031 clearaddr = 1; 1032 newaddr = 0; 1033 } else 1034 clearaddr = 0; 1035} 1036 1037/*ARGSUSED*/ 1038void 1039notrailers(vname, value) 1040 const char *vname; 1041 int value; 1042{ 1043 puts("Note: trailers are no longer sent, but always received"); 1044} 1045 1046/*ARGSUSED*/ 1047void 1048setifdstaddr(addr, param) 1049 const char *addr; 1050 int param; 1051{ 1052 (*afp->af_getaddr)(addr, DSTADDR); 1053} 1054 1055void 1056setifflags(vname, value) 1057 const char *vname; 1058 int value; 1059{ 1060 struct ifreq ifreq; 1061 1062 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 1063 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifreq) < 0) 1064 err(1, "SIOCGIFFLAGS"); 1065 flags = ifreq.ifr_flags; 1066 1067 if (value < 0) { 1068 value = -value; 1069 flags &= ~value; 1070 } else 1071 flags |= value; 1072 ifreq.ifr_flags = flags; 1073 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) < 0) 1074 err(1, "SIOCSIFFLAGS"); 1075 1076 reset_if_flags = 1; 1077} 1078 1079#ifdef INET6 1080void 1081setia6flags(vname, value) 1082 const char *vname; 1083 int value; 1084{ 1085 if (value < 0) { 1086 value = -value; 1087 in6_addreq.ifra_flags &= ~value; 1088 } else 1089 in6_addreq.ifra_flags |= value; 1090} 1091 1092void 1093setia6pltime(val, d) 1094 const char *val; 1095 int d; 1096{ 1097 setia6lifetime("pltime", val); 1098} 1099 1100void 1101setia6vltime(val, d) 1102 const char *val; 1103 int d; 1104{ 1105 setia6lifetime("vltime", val); 1106} 1107 1108void 1109setia6lifetime(cmd, val) 1110 const char *cmd; 1111 const char *val; 1112{ 1113 time_t newval, t; 1114 char *ep; 1115 1116 t = time(NULL); 1117 newval = (time_t)strtoul(val, &ep, 0); 1118 if (val == ep) 1119 errx(1, "invalid %s", cmd); 1120 if (afp->af_af != AF_INET6) 1121 errx(1, "%s not allowed for the AF", cmd); 1122 if (strcmp(cmd, "vltime") == 0) { 1123 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 1124 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 1125 } else if (strcmp(cmd, "pltime") == 0) { 1126 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 1127 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 1128 } 1129} 1130#endif 1131 1132void 1133setifmetric(val, d) 1134 const char *val; 1135 int d; 1136{ 1137 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1138 ifr.ifr_metric = atoi(val); 1139 if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) < 0) 1140 warn("SIOCSIFMETRIC"); 1141} 1142 1143void 1144setifmtu(val, d) 1145 const char *val; 1146 int d; 1147{ 1148 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1149 ifr.ifr_mtu = atoi(val); 1150 if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) < 0) 1151 warn("SIOCSIFMTU"); 1152} 1153 1154const char * 1155get_string(val, sep, buf, lenp) 1156 const char *val, *sep; 1157 u_int8_t *buf; 1158 int *lenp; 1159{ 1160 int len; 1161 int hexstr; 1162 u_int8_t *p; 1163 1164 len = *lenp; 1165 p = buf; 1166 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 1167 if (hexstr) 1168 val += 2; 1169 for (;;) { 1170 if (*val == '\0') 1171 break; 1172 if (sep != NULL && strchr(sep, *val) != NULL) { 1173 val++; 1174 break; 1175 } 1176 if (hexstr) { 1177 if (!isxdigit((u_char)val[0]) || 1178 !isxdigit((u_char)val[1])) { 1179 warnx("bad hexadecimal digits"); 1180 return NULL; 1181 } 1182 } 1183 if (p > buf + len) { 1184 if (hexstr) 1185 warnx("hexadecimal digits too long"); 1186 else 1187 warnx("strings too long"); 1188 return NULL; 1189 } 1190 if (hexstr) { 1191#define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 1192 *p++ = (tohex((u_char)val[0]) << 4) | 1193 tohex((u_char)val[1]); 1194#undef tohex 1195 val += 2; 1196 } else 1197 *p++ = *val++; 1198 } 1199 len = p - buf; 1200 if (len < *lenp) 1201 memset(p, 0, *lenp - len); 1202 *lenp = len; 1203 return val; 1204} 1205 1206void 1207print_string(buf, len) 1208 const u_int8_t *buf; 1209 int len; 1210{ 1211 int i; 1212 int hasspc; 1213 1214 i = 0; 1215 hasspc = 0; 1216 if (len < 2 || buf[0] != '0' || tolower(buf[1]) != 'x') { 1217 for (; i < len; i++) { 1218 if (!isprint(buf[i])) 1219 break; 1220 if (isspace(buf[i])) 1221 hasspc++; 1222 } 1223 } 1224 if (i == len) { 1225 if (hasspc || len == 0) 1226 printf("\"%.*s\"", len, buf); 1227 else 1228 printf("%.*s", len, buf); 1229 } else { 1230 printf("0x"); 1231 for (i = 0; i < len; i++) 1232 printf("%02x", buf[i]); 1233 } 1234} 1235 1236void 1237setifnwid(val, d) 1238 const char *val; 1239 int d; 1240{ 1241 struct ieee80211_nwid nwid; 1242 int len; 1243 1244 len = sizeof(nwid.i_nwid); 1245 if (get_string(val, NULL, nwid.i_nwid, &len) == NULL) 1246 return; 1247 nwid.i_len = len; 1248 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1249 ifr.ifr_data = (caddr_t)&nwid; 1250 if (ioctl(s, SIOCS80211NWID, (caddr_t)&ifr) < 0) 1251 warn("SIOCS80211NWID"); 1252} 1253 1254void 1255setifnwkey(val, d) 1256 const char *val; 1257 int d; 1258{ 1259 struct ieee80211_nwkey nwkey; 1260 int i; 1261 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1262 1263 nwkey.i_wepon = 1; 1264 nwkey.i_defkid = 1; 1265 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1266 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1267 nwkey.i_key[i].i_keydat = keybuf[i]; 1268 } 1269 if (d != 0) { 1270 /* disable WEP encryption */ 1271 nwkey.i_wepon = 0; 1272 i = 0; 1273 } else if (isdigit(val[0]) && val[1] == ':') { 1274 /* specifying a full set of four keys */ 1275 nwkey.i_defkid = val[0] - '0'; 1276 val += 2; 1277 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1278 val = get_string(val, ",", keybuf[i], 1279 &nwkey.i_key[i].i_keylen); 1280 if (val == NULL) 1281 return; 1282 } 1283 if (*val != '\0') { 1284 warnx("SIOCS80211NWKEY: too many keys."); 1285 return; 1286 } 1287 } else { 1288 val = get_string(val, NULL, keybuf[0], 1289 &nwkey.i_key[0].i_keylen); 1290 if (val == NULL) 1291 return; 1292 i = 1; 1293 } 1294 for (; i < IEEE80211_WEP_NKID; i++) 1295 nwkey.i_key[i].i_keylen = 0; 1296 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1297 if (ioctl(s, SIOCS80211NWKEY, (caddr_t)&nwkey) < 0) 1298 warn("SIOCS80211NWKEY"); 1299} 1300 1301void 1302setifpowersave(val, d) 1303 const char *val; 1304 int d; 1305{ 1306 struct ieee80211_power power; 1307 1308 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1309 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) < 0) { 1310 warn("SIOCG80211POWER"); 1311 return; 1312 } 1313 1314 power.i_enabled = d; 1315 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) < 0) 1316 warn("SIOCS80211POWER"); 1317} 1318 1319void 1320setifpowersavesleep(val, d) 1321 const char *val; 1322 int d; 1323{ 1324 struct ieee80211_power power; 1325 1326 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1327 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) < 0) { 1328 warn("SIOCG80211POWER"); 1329 return; 1330 } 1331 1332 power.i_maxsleep = atoi(val); 1333 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) < 0) 1334 warn("SIOCS80211POWER"); 1335} 1336 1337void 1338ieee80211_status() 1339{ 1340 int i; 1341 struct ieee80211_nwid nwid; 1342 struct ieee80211_nwkey nwkey; 1343 struct ieee80211_power power; 1344 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1345 1346 memset(&ifr, 0, sizeof(ifr)); 1347 ifr.ifr_data = (caddr_t)&nwid; 1348 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1349 if (ioctl(s, SIOCG80211NWID, (caddr_t)&ifr) != 0) 1350 return; 1351 if (nwid.i_len > IEEE80211_NWID_LEN) { 1352 warnx("SIOCG80211NWID: wrong length of nwid (%d)", nwid.i_len); 1353 return; 1354 } 1355 printf("\tnwid "); 1356 print_string(nwid.i_nwid, nwid.i_len); 1357 memset(&nwkey, 0, sizeof(nwkey)); 1358 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1359 /* show nwkey only when WEP is enabled */ 1360 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) != 0 || 1361 nwkey.i_wepon == 0) { 1362 printf("\n"); 1363 goto skip_wep; 1364 } 1365 1366 printf(" nwkey "); 1367 /* try to retrieve WEP keys */ 1368 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1369 nwkey.i_key[i].i_keydat = keybuf[i]; 1370 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1371 } 1372 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) != 0) { 1373 printf("*****"); 1374 } else { 1375 if (nwkey.i_defkid != 1) { 1376 /* non default key or multiple keys defined */ 1377 i = 0; 1378 } else if (nwkey.i_key[0].i_keylen >= 2 && 1379 isdigit(nwkey.i_key[0].i_keydat[0]) && 1380 nwkey.i_key[0].i_keydat[1] == ':') { 1381 /* ambiguous */ 1382 i = 0; 1383 } else { 1384 for (i = 1; i < IEEE80211_WEP_NKID; i++) { 1385 if (nwkey.i_key[i].i_keylen != 0) 1386 break; 1387 } 1388 } 1389 if (i == IEEE80211_WEP_NKID) { 1390 /* only show the first key */ 1391 print_string(nwkey.i_key[0].i_keydat, 1392 nwkey.i_key[0].i_keylen); 1393 } else { 1394 printf("%d:", nwkey.i_defkid); 1395 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1396 if (i > 0) 1397 printf(","); 1398 print_string(nwkey.i_key[i].i_keydat, 1399 nwkey.i_key[i].i_keylen); 1400 } 1401 } 1402 } 1403 printf("\n"); 1404 1405 skip_wep: 1406 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1407 if (ioctl(s, SIOCG80211POWER, &power) != 0) 1408 return; 1409 printf("\tpowersave "); 1410 if (power.i_enabled) 1411 printf("on (%dms sleep)", power.i_maxsleep); 1412 else 1413 printf("off"); 1414 printf("\n"); 1415} 1416 1417void 1418init_current_media() 1419{ 1420 struct ifmediareq ifmr; 1421 1422 /* 1423 * If we have not yet done so, grab the currently-selected 1424 * media. 1425 */ 1426 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1427 (void) memset(&ifmr, 0, sizeof(ifmr)); 1428 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1429 1430 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1431 /* 1432 * If we get E2BIG, the kernel is telling us 1433 * that there are more, so we can ignore it. 1434 */ 1435 if (errno != E2BIG) 1436 err(1, "SGIOCGIFMEDIA"); 1437 } 1438 1439 media_current = ifmr.ifm_current; 1440 } 1441 1442 /* Sanity. */ 1443 if (IFM_TYPE(media_current) == 0) 1444 errx(1, "%s: no link type?", name); 1445} 1446 1447void 1448process_media_commands() 1449{ 1450 1451 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1452 /* Nothing to do. */ 1453 return; 1454 } 1455 1456 /* 1457 * Media already set up, and commands sanity-checked. Set/clear 1458 * any options, and we're ready to go. 1459 */ 1460 media_current |= mediaopt_set; 1461 media_current &= ~mediaopt_clear; 1462 1463 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1464 ifr.ifr_media = media_current; 1465 1466 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0) 1467 err(1, "SIOCSIFMEDIA"); 1468} 1469 1470void 1471setmedia(val, d) 1472 const char *val; 1473 int d; 1474{ 1475 int type, subtype, inst; 1476 1477 init_current_media(); 1478 1479 /* Only one media command may be given. */ 1480 if (actions & A_MEDIA) 1481 errx(1, "only one `media' command may be issued"); 1482 1483 /* Must not come after mediaopt commands */ 1484 if (actions & A_MEDIAOPT) 1485 errx(1, "may not issue `media' after `mediaopt' commands"); 1486 1487 /* 1488 * No need to check if `instance' has been issued; setmediainst() 1489 * craps out if `media' has not been specified. 1490 */ 1491 1492 type = IFM_TYPE(media_current); 1493 inst = IFM_INST(media_current); 1494 1495 /* Look up the subtype. */ 1496 subtype = get_media_subtype(type, val); 1497 1498 /* Build the new current media word. */ 1499 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1500 1501 /* Media will be set after other processing is complete. */ 1502} 1503 1504void 1505setmediaopt(val, d) 1506 const char *val; 1507 int d; 1508{ 1509 1510 init_current_media(); 1511 1512 /* Can only issue `mediaopt' once. */ 1513 if (actions & A_MEDIAOPTSET) 1514 errx(1, "only one `mediaopt' command may be issued"); 1515 1516 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1517 if (actions & A_MEDIAINST) 1518 errx(1, "may not issue `mediaopt' after `instance'"); 1519 1520 mediaopt_set = get_media_options(IFM_TYPE(media_current), val); 1521 1522 /* Media will be set after other processing is complete. */ 1523} 1524 1525void 1526unsetmediaopt(val, d) 1527 const char *val; 1528 int d; 1529{ 1530 1531 init_current_media(); 1532 1533 /* Can only issue `-mediaopt' once. */ 1534 if (actions & A_MEDIAOPTCLR) 1535 errx(1, "only one `-mediaopt' command may be issued"); 1536 1537 /* May not issue `media' and `-mediaopt'. */ 1538 if (actions & A_MEDIA) 1539 errx(1, "may not issue both `media' and `-mediaopt'"); 1540 1541 /* 1542 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1543 * implicitly checks for A_MEDIAINST. 1544 */ 1545 1546 mediaopt_clear = get_media_options(IFM_TYPE(media_current), val); 1547 1548 /* Media will be set after other processing is complete. */ 1549} 1550 1551void 1552setmediainst(val, d) 1553 const char *val; 1554 int d; 1555{ 1556 int type, subtype, options, inst; 1557 1558 init_current_media(); 1559 1560 /* Can only issue `instance' once. */ 1561 if (actions & A_MEDIAINST) 1562 errx(1, "only one `instance' command may be issued"); 1563 1564 /* Must have already specified `media' */ 1565 if ((actions & A_MEDIA) == 0) 1566 errx(1, "must specify `media' before `instance'"); 1567 1568 type = IFM_TYPE(media_current); 1569 subtype = IFM_SUBTYPE(media_current); 1570 options = IFM_OPTIONS(media_current); 1571 1572 inst = atoi(val); 1573 if (inst < 0 || inst > IFM_INST_MAX) 1574 errx(1, "invalid media instance: %s", val); 1575 1576 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1577 1578 /* Media will be set after other processing is complete. */ 1579} 1580 1581struct ifmedia_description ifm_type_descriptions[] = 1582 IFM_TYPE_DESCRIPTIONS; 1583 1584struct ifmedia_description ifm_subtype_descriptions[] = 1585 IFM_SUBTYPE_DESCRIPTIONS; 1586 1587struct ifmedia_description ifm_option_descriptions[] = 1588 IFM_OPTION_DESCRIPTIONS; 1589 1590const char * 1591get_media_type_string(mword) 1592 int mword; 1593{ 1594 struct ifmedia_description *desc; 1595 1596 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; 1597 desc++) { 1598 if (IFM_TYPE(mword) == desc->ifmt_word) 1599 return (desc->ifmt_string); 1600 } 1601 return ("<unknown type>"); 1602} 1603 1604const char * 1605get_media_subtype_string(mword) 1606 int mword; 1607{ 1608 struct ifmedia_description *desc; 1609 1610 for (desc = ifm_subtype_descriptions; desc->ifmt_string != NULL; 1611 desc++) { 1612 if (IFM_TYPE_MATCH(desc->ifmt_word, mword) && 1613 IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(mword)) 1614 return (desc->ifmt_string); 1615 } 1616 return ("<unknown subtype>"); 1617} 1618 1619int 1620get_media_subtype(type, val) 1621 int type; 1622 const char *val; 1623{ 1624 int rval; 1625 1626 rval = lookup_media_word(ifm_subtype_descriptions, type, val); 1627 if (rval == -1) 1628 errx(1, "unknown %s media subtype: %s", 1629 get_media_type_string(type), val); 1630 1631 return (rval); 1632} 1633 1634int 1635get_media_options(type, val) 1636 int type; 1637 const char *val; 1638{ 1639 char *optlist, *str; 1640 int option, rval = 0; 1641 1642 /* We muck with the string, so copy it. */ 1643 optlist = strdup(val); 1644 if (optlist == NULL) 1645 err(1, "strdup"); 1646 str = optlist; 1647 1648 /* 1649 * Look up the options in the user-provided comma-separated list. 1650 */ 1651 for (; (str = strtok(str, ",")) != NULL; str = NULL) { 1652 option = lookup_media_word(ifm_option_descriptions, type, str); 1653 if (option == -1) 1654 errx(1, "unknown %s media option: %s", 1655 get_media_type_string(type), str); 1656 rval |= IFM_OPTIONS(option); 1657 } 1658 1659 free(optlist); 1660 return (rval); 1661} 1662 1663int 1664lookup_media_word(desc, type, val) 1665 struct ifmedia_description *desc; 1666 int type; 1667 const char *val; 1668{ 1669 1670 for (; desc->ifmt_string != NULL; desc++) { 1671 if (IFM_TYPE_MATCH(desc->ifmt_word, type) && 1672 strcasecmp(desc->ifmt_string, val) == 0) 1673 return (desc->ifmt_word); 1674 } 1675 return (-1); 1676} 1677 1678void 1679print_media_word(ifmw, print_type, as_syntax) 1680 int ifmw, print_type, as_syntax; 1681{ 1682 struct ifmedia_description *desc; 1683 int seen_option = 0; 1684 1685 if (print_type) 1686 printf("%s ", get_media_type_string(ifmw)); 1687 printf("%s%s", as_syntax ? "media " : "", 1688 get_media_subtype_string(ifmw)); 1689 1690 /* Find options. */ 1691 for (desc = ifm_option_descriptions; desc->ifmt_string != NULL; 1692 desc++) { 1693 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && 1694 (ifmw & IFM_OPTIONS(desc->ifmt_word)) != 0 && 1695 (seen_option & IFM_OPTIONS(desc->ifmt_word)) == 0) { 1696 if (seen_option == 0) 1697 printf(" %s", as_syntax ? "mediaopt " : ""); 1698 printf("%s%s", seen_option ? "," : "", 1699 desc->ifmt_string); 1700 seen_option |= IFM_OPTIONS(desc->ifmt_word); 1701 } 1702 } 1703 if (IFM_INST(ifmw) != 0) 1704 printf(" instance %d", IFM_INST(ifmw)); 1705} 1706 1707int carrier() 1708{ 1709 struct ifmediareq ifmr; 1710 1711 (void) memset(&ifmr, 0, sizeof(ifmr)); 1712 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1713 1714 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1715 /* 1716 * Interface doesn't support SIOC{G,S}IFMEDIA; 1717 * assume ok. 1718 */ 1719 return 0; 1720 } 1721 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1722 /* 1723 * Interface doesn't report media-valid status. 1724 * assume ok. 1725 */ 1726 return 0; 1727 } 1728 /* otherwise, return ok for active, not-ok if not active. */ 1729 return !(ifmr.ifm_status & IFM_ACTIVE); 1730} 1731 1732 1733#define IFFBITS \ 1734"\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 1735\11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 1736 1737const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1738 1739const struct ifmedia_status_description ifm_status_descriptions[] = 1740 IFM_STATUS_DESCRIPTIONS; 1741 1742/* 1743 * Print the status of the interface. If an address family was 1744 * specified, show it and it only; otherwise, show them all. 1745 */ 1746void 1747status(ap, alen) 1748 const u_int8_t *ap; 1749 int alen; 1750{ 1751 struct afswtch *p = afp; 1752 struct ifmediareq ifmr; 1753 int *media_list, i; 1754 1755 printf("%s: ", name); 1756 printb("flags", flags, IFFBITS); 1757 if (metric) 1758 printf(" metric %d", metric); 1759 if (mtu) 1760 printf(" mtu %d", mtu); 1761 putchar('\n'); 1762 1763 ieee80211_status(); 1764 vlan_status(); 1765 tunnel_status(); 1766 1767 if (ap && alen > 0) { 1768 printf("\taddress:"); 1769 for (i = 0; i < alen; i++, ap++) 1770 printf("%c%02x", i > 0 ? ':' : ' ', *ap); 1771 putchar('\n'); 1772 } 1773 1774 (void) memset(&ifmr, 0, sizeof(ifmr)); 1775 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1776 1777 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1778 /* 1779 * Interface doesn't support SIOC{G,S}IFMEDIA. 1780 */ 1781 goto proto_status; 1782 } 1783 1784 if (ifmr.ifm_count == 0) { 1785 warnx("%s: no media types?", name); 1786 goto proto_status; 1787 } 1788 1789 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1790 if (media_list == NULL) 1791 err(1, "malloc"); 1792 ifmr.ifm_ulist = media_list; 1793 1794 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) 1795 err(1, "SIOCGIFMEDIA"); 1796 1797 printf("\tmedia: "); 1798 print_media_word(ifmr.ifm_current, 1, 0); 1799 if (ifmr.ifm_active != ifmr.ifm_current) { 1800 putchar(' '); 1801 putchar('('); 1802 print_media_word(ifmr.ifm_active, 0, 0); 1803 putchar(')'); 1804 } 1805 putchar('\n'); 1806 1807 if (ifmr.ifm_status & IFM_STATUS_VALID) { 1808 const struct ifmedia_status_description *ifms; 1809 int bitno, found = 0; 1810 1811 printf("\tstatus: "); 1812 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 1813 for (ifms = ifm_status_descriptions; 1814 ifms->ifms_valid != 0; ifms++) { 1815 if (ifms->ifms_type != 1816 IFM_TYPE(ifmr.ifm_current) || 1817 ifms->ifms_valid != 1818 ifm_status_valid_list[bitno]) 1819 continue; 1820 printf("%s%s", found ? ", " : "", 1821 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 1822 found = 1; 1823 1824 /* 1825 * For each valid indicator bit, there's 1826 * only one entry for each media type, so 1827 * terminate the inner loop now. 1828 */ 1829 break; 1830 } 1831 } 1832 1833 if (found == 0) 1834 printf("unknown"); 1835 putchar('\n'); 1836 } 1837 1838 if (mflag) { 1839 int type, printed_type; 1840 1841 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 1842 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 1843 if (IFM_TYPE(media_list[i]) == type) { 1844 if (printed_type == 0) { 1845 printf("\tsupported %s media:\n", 1846 get_media_type_string(type)); 1847 printed_type = 1; 1848 } 1849 printf("\t\t"); 1850 print_media_word(media_list[i], 0, 1); 1851 printf("\n"); 1852 } 1853 } 1854 } 1855 } 1856 1857 free(media_list); 1858 1859 proto_status: 1860 if ((p = afp) != NULL) { 1861 (*p->af_status)(1); 1862 } else for (p = afs; p->af_name; p++) { 1863 ifr.ifr_addr.sa_family = p->af_af; 1864 (*p->af_status)(0); 1865 } 1866} 1867 1868void 1869tunnel_status() 1870{ 1871 char psrcaddr[NI_MAXHOST]; 1872 char pdstaddr[NI_MAXHOST]; 1873 const char *ver = ""; 1874#ifdef NI_WITHSCOPEID 1875 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 1876#else 1877 const int niflag = NI_NUMERICHOST; 1878#endif 1879 struct if_laddrreq req; 1880 1881 psrcaddr[0] = pdstaddr[0] = '\0'; 1882 1883 memset(&req, 0, sizeof(req)); 1884 strncpy(req.iflr_name, name, IFNAMSIZ); 1885 if (ioctl(s, SIOCGLIFPHYADDR, (caddr_t)&req) < 0) 1886 return; 1887#ifdef INET6 1888 if (req.addr.ss_family == AF_INET6) 1889 in6_fillscopeid((struct sockaddr_in6 *)&req.addr); 1890#endif 1891 getnameinfo((struct sockaddr *)&req.addr, req.addr.ss_len, 1892 psrcaddr, sizeof(psrcaddr), 0, 0, niflag); 1893#ifdef INET6 1894 if (req.addr.ss_family == AF_INET6) 1895 ver = "6"; 1896#endif 1897 1898#ifdef INET6 1899 if (req.dstaddr.ss_family == AF_INET6) 1900 in6_fillscopeid((struct sockaddr_in6 *)&req.dstaddr); 1901#endif 1902 getnameinfo((struct sockaddr *)&req.dstaddr, req.dstaddr.ss_len, 1903 pdstaddr, sizeof(pdstaddr), 0, 0, niflag); 1904 1905 printf("\ttunnel inet%s %s --> %s\n", ver, psrcaddr, pdstaddr); 1906} 1907 1908void 1909vlan_status() 1910{ 1911 struct vlanreq vlr; 1912 1913 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1914 !isdigit(ifr.ifr_name[4])) 1915 return; 1916 1917 memset(&vlr, 0, sizeof(vlr)); 1918 ifr.ifr_data = (caddr_t)&vlr; 1919 1920 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1921 return; 1922 1923 if (vlr.vlr_tag || vlr.vlr_parent[0] != '\0') 1924 printf("\tvlan: %d parent: %s\n", 1925 vlr.vlr_tag, vlr.vlr_parent[0] == '\0' ? 1926 "<none>" : vlr.vlr_parent); 1927} 1928 1929void 1930in_alias(creq) 1931 struct ifreq *creq; 1932{ 1933 struct sockaddr_in *sin; 1934 int alias; 1935 1936 if (lflag) 1937 return; 1938 1939 alias = 1; 1940 1941 /* Get the non-alias address for this interface. */ 1942 getsock(AF_INET); 1943 if (s < 0) { 1944 if (errno == EPROTONOSUPPORT) 1945 return; 1946 err(1, "socket"); 1947 } 1948 (void) memset(&ifr, 0, sizeof(ifr)); 1949 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1950 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 1951 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1952 return; 1953 } else 1954 warn("SIOCGIFADDR"); 1955 } 1956 /* If creq and ifr are the same address, this is not an alias. */ 1957 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 1958 sizeof(creq->ifr_addr)) == 0) 1959 alias = 0; 1960 (void) memset(&addreq, 0, sizeof(addreq)); 1961 (void) strncpy(addreq.ifra_name, name, sizeof(addreq.ifra_name)); 1962 addreq.ifra_addr = creq->ifr_addr; 1963 if (ioctl(s, SIOCGIFALIAS, (caddr_t)&addreq) < 0) { 1964 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1965 return; 1966 } else 1967 warn("SIOCGIFALIAS"); 1968 } 1969 1970 sin = (struct sockaddr_in *)&addreq.ifra_addr; 1971 printf("\tinet %s%s", alias ? "alias " : "", inet_ntoa(sin->sin_addr)); 1972 1973 if (flags & IFF_POINTOPOINT) { 1974 sin = (struct sockaddr_in *)&addreq.ifra_dstaddr; 1975 printf(" -> %s", inet_ntoa(sin->sin_addr)); 1976 } 1977 1978 sin = (struct sockaddr_in *)&addreq.ifra_mask; 1979 printf(" netmask 0x%x", ntohl(sin->sin_addr.s_addr)); 1980 1981 if (flags & IFF_BROADCAST) { 1982 sin = (struct sockaddr_in *)&addreq.ifra_broadaddr; 1983 printf(" broadcast %s", inet_ntoa(sin->sin_addr)); 1984 } 1985 printf("\n"); 1986} 1987 1988void 1989in_status(force) 1990 int force; 1991{ 1992 struct ifaddrs *ifap, *ifa; 1993 struct ifreq ifr; 1994 1995 if (getifaddrs(&ifap) != 0) 1996 err(1, "getifaddrs"); 1997 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 1998 if (strcmp(name, ifa->ifa_name) != 0) 1999 continue; 2000 if (ifa->ifa_addr->sa_family != AF_INET) 2001 continue; 2002 if (sizeof(ifr.ifr_addr) < ifa->ifa_addr->sa_len) 2003 continue; 2004 2005 memset(&ifr, 0, sizeof(ifr)); 2006 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 2007 memcpy(&ifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2008 in_alias(&ifr); 2009 } 2010 freeifaddrs(ifap); 2011} 2012 2013void 2014setifprefixlen(addr, d) 2015 const char *addr; 2016 int d; 2017{ 2018 if (*afp->af_getprefix) 2019 (*afp->af_getprefix)(addr, MASK); 2020 explicit_prefix = 1; 2021} 2022 2023#ifdef INET6 2024void 2025in6_fillscopeid(sin6) 2026 struct sockaddr_in6 *sin6; 2027{ 2028#if defined(__KAME__) && defined(KAME_SCOPEID) 2029 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 2030 sin6->sin6_scope_id = 2031 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 2032 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 2033 } 2034#endif 2035} 2036 2037/* XXX not really an alias */ 2038void 2039in6_alias(creq) 2040 struct in6_ifreq *creq; 2041{ 2042 struct sockaddr_in6 *sin6; 2043 char hbuf[NI_MAXHOST]; 2044 u_int32_t scopeid; 2045#ifdef NI_WITHSCOPEID 2046 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 2047#else 2048 const int niflag = NI_NUMERICHOST; 2049#endif 2050 2051 /* Get the non-alias address for this interface. */ 2052 getsock(AF_INET6); 2053 if (s < 0) { 2054 if (errno == EPROTONOSUPPORT) 2055 return; 2056 err(1, "socket"); 2057 } 2058 2059 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 2060 2061 in6_fillscopeid(sin6); 2062 scopeid = sin6->sin6_scope_id; 2063 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2064 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2065 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2066 printf("\tinet6 %s", hbuf); 2067 2068 if (flags & IFF_POINTOPOINT) { 2069 (void) memset(&ifr6, 0, sizeof(ifr6)); 2070 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2071 ifr6.ifr_addr = creq->ifr_addr; 2072 if (ioctl(s, SIOCGIFDSTADDR_IN6, (caddr_t)&ifr6) < 0) { 2073 if (errno != EADDRNOTAVAIL) 2074 warn("SIOCGIFDSTADDR_IN6"); 2075 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 2076 ifr6.ifr_addr.sin6_family = AF_INET6; 2077 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 2078 } 2079 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2080 in6_fillscopeid(sin6); 2081 hbuf[0] = '\0'; 2082 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2083 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2084 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2085 printf(" -> %s", hbuf); 2086 } 2087 2088 (void) memset(&ifr6, 0, sizeof(ifr6)); 2089 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2090 ifr6.ifr_addr = creq->ifr_addr; 2091 if (ioctl(s, SIOCGIFNETMASK_IN6, (caddr_t)&ifr6) < 0) { 2092 if (errno != EADDRNOTAVAIL) 2093 warn("SIOCGIFNETMASK_IN6"); 2094 } else { 2095 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2096 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 2097 sizeof(struct in6_addr))); 2098 } 2099 2100 (void) memset(&ifr6, 0, sizeof(ifr6)); 2101 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2102 ifr6.ifr_addr = creq->ifr_addr; 2103 if (ioctl(s, SIOCGIFAFLAG_IN6, (caddr_t)&ifr6) < 0) { 2104 if (errno != EADDRNOTAVAIL) 2105 warn("SIOCGIFAFLAG_IN6"); 2106 } else { 2107 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 2108 printf(" anycast"); 2109 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 2110 printf(" tentative"); 2111 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 2112 printf(" duplicated"); 2113 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 2114 printf(" detached"); 2115 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DEPRECATED) 2116 printf(" deprecated"); 2117 } 2118 2119 if (scopeid) 2120 printf(" scopeid 0x%x", scopeid); 2121 2122 if (Lflag) { 2123 struct in6_addrlifetime *lifetime; 2124 (void) memset(&ifr6, 0, sizeof(ifr6)); 2125 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2126 ifr6.ifr_addr = creq->ifr_addr; 2127 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 2128 if (ioctl(s, SIOCGIFALIFETIME_IN6, (caddr_t)&ifr6) < 0) { 2129 if (errno != EADDRNOTAVAIL) 2130 warn("SIOCGIFALIFETIME_IN6"); 2131 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 2132 time_t t = time(NULL); 2133 printf(" pltime "); 2134 if (lifetime->ia6t_preferred) { 2135 printf("%s", lifetime->ia6t_preferred < t 2136 ? "0" 2137 : sec2str(lifetime->ia6t_preferred - t)); 2138 } else 2139 printf("infty"); 2140 2141 printf(" vltime "); 2142 if (lifetime->ia6t_expire) { 2143 printf("%s", lifetime->ia6t_expire < t 2144 ? "0" 2145 : sec2str(lifetime->ia6t_expire - t)); 2146 } else 2147 printf("infty"); 2148 } 2149 } 2150 2151 printf("\n"); 2152} 2153 2154void 2155in6_status(force) 2156 int force; 2157{ 2158 struct ifaddrs *ifap, *ifa; 2159 struct in6_ifreq ifr; 2160 2161 if (getifaddrs(&ifap) != 0) 2162 err(1, "getifaddrs"); 2163 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2164 if (strcmp(name, ifa->ifa_name) != 0) 2165 continue; 2166 if (ifa->ifa_addr->sa_family != AF_INET6) 2167 continue; 2168 if (sizeof(ifr.ifr_addr) < ifa->ifa_addr->sa_len) 2169 continue; 2170 2171 memset(&ifr, 0, sizeof(ifr)); 2172 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 2173 memcpy(&ifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2174 in6_alias(&ifr); 2175 } 2176 freeifaddrs(ifap); 2177} 2178#endif /*INET6*/ 2179 2180#ifndef INET_ONLY 2181 2182void 2183at_status(force) 2184 int force; 2185{ 2186 struct sockaddr_at *sat, null_sat; 2187 struct netrange *nr; 2188 2189 getsock(AF_APPLETALK); 2190 if (s < 0) { 2191 if (errno == EPROTONOSUPPORT) 2192 return; 2193 err(1, "socket"); 2194 } 2195 (void) memset(&ifr, 0, sizeof(ifr)); 2196 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2197 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 2198 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2199 if (!force) 2200 return; 2201 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2202 } else 2203 warn("SIOCGIFADDR"); 2204 } 2205 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2206 sat = (struct sockaddr_at *)&ifr.ifr_addr; 2207 2208 (void) memset(&null_sat, 0, sizeof(null_sat)); 2209 2210 nr = (struct netrange *) &sat->sat_zero; 2211 printf("\tatalk %d.%d range %d-%d phase %d", 2212 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2213 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 2214 if (flags & IFF_POINTOPOINT) { 2215 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 2216 if (errno == EADDRNOTAVAIL) 2217 (void) memset(&ifr.ifr_addr, 0, 2218 sizeof(ifr.ifr_addr)); 2219 else 2220 warn("SIOCGIFDSTADDR"); 2221 } 2222 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2223 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 2224 if (!sat) 2225 sat = &null_sat; 2226 printf("--> %d.%d", 2227 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 2228 } 2229 if (flags & IFF_BROADCAST) { 2230 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 2231 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 2232 if (sat) 2233 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 2234 sat->sat_addr.s_node); 2235 } 2236 putchar('\n'); 2237} 2238 2239void 2240xns_status(force) 2241 int force; 2242{ 2243 struct sockaddr_ns *sns; 2244 2245 getsock(AF_NS); 2246 if (s < 0) { 2247 if (errno == EPROTONOSUPPORT) 2248 return; 2249 err(1, "socket"); 2250 } 2251 (void) memset(&ifr, 0, sizeof(ifr)); 2252 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2253 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 2254 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2255 if (!force) 2256 return; 2257 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2258 } else 2259 warn("SIOCGIFADDR"); 2260 } 2261 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2262 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 2263 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 2264 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 2265 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 2266 if (errno == EADDRNOTAVAIL) 2267 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2268 else 2269 warn("SIOCGIFDSTADDR"); 2270 } 2271 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2272 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 2273 printf("--> %s ", ns_ntoa(sns->sns_addr)); 2274 } 2275 putchar('\n'); 2276} 2277 2278void 2279iso_status(force) 2280 int force; 2281{ 2282 struct sockaddr_iso *siso; 2283 struct iso_ifreq ifr; 2284 2285 getsock(AF_ISO); 2286 if (s < 0) { 2287 if (errno == EPROTONOSUPPORT) 2288 return; 2289 err(1, "socket"); 2290 } 2291 (void) memset(&ifr, 0, sizeof(ifr)); 2292 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2293 if (ioctl(s, SIOCGIFADDR_ISO, (caddr_t)&ifr) < 0) { 2294 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2295 if (!force) 2296 return; 2297 (void) memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2298 } else 2299 warn("SIOCGIFADDR_ISO"); 2300 } 2301 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2302 siso = &ifr.ifr_Addr; 2303 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 2304 if (ioctl(s, SIOCGIFNETMASK_ISO, (caddr_t)&ifr) < 0) { 2305 if (errno == EADDRNOTAVAIL) 2306 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2307 else 2308 warn("SIOCGIFNETMASK_ISO"); 2309 } else { 2310 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 2311 siso->siso_addr.isoa_len = siso->siso_len 2312 - offsetof(struct sockaddr_iso, siso_addr); 2313 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 2314 } 2315 if (flags & IFF_POINTOPOINT) { 2316 if (ioctl(s, SIOCGIFDSTADDR_ISO, (caddr_t)&ifr) < 0) { 2317 if (errno == EADDRNOTAVAIL) 2318 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2319 else 2320 warn("SIOCGIFDSTADDR_ISO"); 2321 } 2322 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2323 siso = &ifr.ifr_Addr; 2324 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 2325 } 2326 putchar('\n'); 2327} 2328 2329#endif /* INET_ONLY */ 2330 2331#define SIN(x) ((struct sockaddr_in *) &(x)) 2332struct sockaddr_in *sintab[] = { 2333SIN(ridreq.ifr_addr), SIN(addreq.ifra_addr), 2334SIN(addreq.ifra_mask), SIN(addreq.ifra_broadaddr)}; 2335 2336void 2337in_getaddr(s, which) 2338 const char *s; 2339 int which; 2340{ 2341 struct sockaddr_in *sin = sintab[which]; 2342 struct hostent *hp; 2343 struct netent *np; 2344 2345 sin->sin_len = sizeof(*sin); 2346 if (which != MASK) 2347 sin->sin_family = AF_INET; 2348 2349 if (which == ADDR) { 2350 char *p = NULL; 2351 if ((p = strrchr(s, '/')) != NULL) { 2352 *p = '\0'; 2353 in_getprefix(p + 1, MASK); 2354 } 2355 } 2356 2357 if (inet_aton(s, &sin->sin_addr) == 0) { 2358 if ((hp = gethostbyname(s)) != NULL) 2359 (void) memcpy(&sin->sin_addr, hp->h_addr, hp->h_length); 2360 else if ((np = getnetbyname(s)) != NULL) 2361 sin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 2362 else 2363 errx(1, "%s: bad value", s); 2364 } 2365} 2366 2367void 2368in_getprefix(plen, which) 2369 const char *plen; 2370 int which; 2371{ 2372 register struct sockaddr_in *sin = sintab[which]; 2373 register u_char *cp; 2374 int len = strtol(plen, (char **)NULL, 10); 2375 2376 if ((len < 0) || (len > 32)) 2377 errx(1, "%s: bad value", plen); 2378 sin->sin_len = sizeof(*sin); 2379 if (which != MASK) 2380 sin->sin_family = AF_INET; 2381 if ((len == 0) || (len == 32)) { 2382 memset(&sin->sin_addr, 0xff, sizeof(struct in_addr)); 2383 return; 2384 } 2385 memset((void *)&sin->sin_addr, 0x00, sizeof(sin->sin_addr)); 2386 for (cp = (u_char *)&sin->sin_addr; len > 7; len -= 8) 2387 *cp++ = 0xff; 2388 *cp = 0xff << (8 - len); 2389} 2390 2391/* 2392 * Print a value a la the %b format of the kernel's printf 2393 */ 2394void 2395printb(s, v, bits) 2396 const char *s; 2397 unsigned short v; 2398 const char *bits; 2399{ 2400 int i, any = 0; 2401 char c; 2402 2403 if (bits && *bits == 8) 2404 printf("%s=%o", s, v); 2405 else 2406 printf("%s=%x", s, v); 2407 bits++; 2408 if (bits) { 2409 putchar('<'); 2410 while ((i = *bits++) != 0) { 2411 if (v & (1 << (i-1))) { 2412 if (any) 2413 putchar(','); 2414 any = 1; 2415 for (; (c = *bits) > 32; bits++) 2416 putchar(c); 2417 } else 2418 for (; *bits > 32; bits++) 2419 ; 2420 } 2421 putchar('>'); 2422 } 2423} 2424 2425#ifdef INET6 2426#define SIN6(x) ((struct sockaddr_in6 *) &(x)) 2427struct sockaddr_in6 *sin6tab[] = { 2428SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 2429SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 2430 2431void 2432in6_getaddr(s, which) 2433 const char *s; 2434 int which; 2435{ 2436#if defined(__KAME__) && defined(KAME_SCOPEID) 2437 struct sockaddr_in6 *sin6 = sin6tab[which]; 2438 struct addrinfo hints, *res; 2439 int error; 2440 2441 memset(&hints, 0, sizeof(hints)); 2442 hints.ai_family = AF_INET6; 2443 hints.ai_socktype = SOCK_DGRAM; 2444#if 0 /* in_getaddr() allows FQDN */ 2445 hints.ai_flags = AI_NUMERICHOST; 2446#endif 2447 error = getaddrinfo(s, "0", &hints, &res); 2448 if (error) 2449 errx(1, "%s: %s", s, gai_strerror(error)); 2450 if (res->ai_next) 2451 errx(1, "%s: resolved to multiple hosts", s); 2452 if (res->ai_addrlen != sizeof(struct sockaddr_in6)) 2453 errx(1, "%s: bad value", s); 2454 memcpy(sin6, res->ai_addr, res->ai_addrlen); 2455 freeaddrinfo(res); 2456 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) { 2457 *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = 2458 htons(sin6->sin6_scope_id); 2459 sin6->sin6_scope_id = 0; 2460 } 2461#else 2462 struct sockaddr_in6 *sin = sin6tab[which]; 2463 2464 sin->sin6_len = sizeof(*sin); 2465 if (which != MASK) 2466 sin->sin6_family = AF_INET6; 2467 2468 if (which == ADDR) { 2469 char *p = NULL; 2470 if((p = strrchr(s, '/')) != NULL) { 2471 *p = '\0'; 2472 in6_getprefix(p + 1, MASK); 2473 explicit_prefix = 1; 2474 } 2475 } 2476 2477 if (inet_pton(AF_INET6, s, &sin->sin6_addr) != 1) 2478 errx(1, "%s: bad value", s); 2479#endif 2480} 2481 2482void 2483in6_getprefix(plen, which) 2484 const char *plen; 2485 int which; 2486{ 2487 register struct sockaddr_in6 *sin = sin6tab[which]; 2488 register u_char *cp; 2489 int len = strtol(plen, (char **)NULL, 10); 2490 2491 if ((len < 0) || (len > 128)) 2492 errx(1, "%s: bad value", plen); 2493 sin->sin6_len = sizeof(*sin); 2494 if (which != MASK) 2495 sin->sin6_family = AF_INET6; 2496 if ((len == 0) || (len == 128)) { 2497 memset(&sin->sin6_addr, 0xff, sizeof(struct in6_addr)); 2498 return; 2499 } 2500 memset((void *)&sin->sin6_addr, 0x00, sizeof(sin->sin6_addr)); 2501 for (cp = (u_char *)&sin->sin6_addr; len > 7; len -= 8) 2502 *cp++ = 0xff; 2503 *cp = 0xff << (8 - len); 2504} 2505 2506int 2507prefix(val, size) 2508 void *val; 2509 int size; 2510{ 2511 register u_char *name = (u_char *)val; 2512 register int byte, bit, plen = 0; 2513 2514 for (byte = 0; byte < size; byte++, plen += 8) 2515 if (name[byte] != 0xff) 2516 break; 2517 if (byte == size) 2518 return (plen); 2519 for (bit = 7; bit != 0; bit--, plen++) 2520 if (!(name[byte] & (1 << bit))) 2521 break; 2522 for (; bit != 0; bit--) 2523 if (name[byte] & (1 << bit)) 2524 return(0); 2525 byte++; 2526 for (; byte < size; byte++) 2527 if (name[byte]) 2528 return(0); 2529 return (plen); 2530} 2531#endif /*INET6*/ 2532 2533#ifndef INET_ONLY 2534void 2535at_getaddr(addr, which) 2536 const char *addr; 2537 int which; 2538{ 2539 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 2540 u_int net, node; 2541 2542 sat->sat_family = AF_APPLETALK; 2543 sat->sat_len = sizeof(*sat); 2544 if (which == MASK) 2545 errx(1, "AppleTalk does not use netmasks\n"); 2546 if (sscanf(addr, "%u.%u", &net, &node) != 2 2547 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 2548 errx(1, "%s: illegal address", addr); 2549 sat->sat_addr.s_net = htons(net); 2550 sat->sat_addr.s_node = node; 2551} 2552 2553void 2554setatrange(range, d) 2555 const char *range; 2556 int d; 2557{ 2558 u_short first = 123, last = 123; 2559 2560 if (sscanf(range, "%hu-%hu", &first, &last) != 2 2561 || first == 0 || first > 0xffff 2562 || last == 0 || last > 0xffff || first > last) 2563 errx(1, "%s: illegal net range: %u-%u", range, first, last); 2564 at_nr.nr_firstnet = htons(first); 2565 at_nr.nr_lastnet = htons(last); 2566} 2567 2568void 2569setatphase(phase, d) 2570 const char *phase; 2571 int d; 2572{ 2573 if (!strcmp(phase, "1")) 2574 at_nr.nr_phase = 1; 2575 else if (!strcmp(phase, "2")) 2576 at_nr.nr_phase = 2; 2577 else 2578 errx(1, "%s: illegal phase", phase); 2579} 2580 2581void 2582checkatrange(sat) 2583 struct sockaddr_at *sat; 2584{ 2585 if (at_nr.nr_phase == 0) 2586 at_nr.nr_phase = 2; /* Default phase 2 */ 2587 if (at_nr.nr_firstnet == 0) 2588 at_nr.nr_firstnet = /* Default range of one */ 2589 at_nr.nr_lastnet = sat->sat_addr.s_net; 2590 printf("\tatalk %d.%d range %d-%d phase %d\n", 2591 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2592 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 2593 if ((u_short) ntohs(at_nr.nr_firstnet) > 2594 (u_short) ntohs(sat->sat_addr.s_net) 2595 || (u_short) ntohs(at_nr.nr_lastnet) < 2596 (u_short) ntohs(sat->sat_addr.s_net)) 2597 errx(1, "AppleTalk address is not in range"); 2598 *((struct netrange *) &sat->sat_zero) = at_nr; 2599} 2600 2601#define SNS(x) ((struct sockaddr_ns *) &(x)) 2602struct sockaddr_ns *snstab[] = { 2603SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 2604SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 2605 2606void 2607xns_getaddr(addr, which) 2608 const char *addr; 2609 int which; 2610{ 2611 struct sockaddr_ns *sns = snstab[which]; 2612 2613 sns->sns_family = AF_NS; 2614 sns->sns_len = sizeof(*sns); 2615 sns->sns_addr = ns_addr(addr); 2616 if (which == MASK) 2617 puts("Attempt to set XNS netmask will be ineffectual"); 2618} 2619 2620#define SISO(x) ((struct sockaddr_iso *) &(x)) 2621struct sockaddr_iso *sisotab[] = { 2622SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 2623SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 2624 2625void 2626iso_getaddr(addr, which) 2627 const char *addr; 2628 int which; 2629{ 2630 struct sockaddr_iso *siso = sisotab[which]; 2631 siso->siso_addr = *iso_addr(addr); 2632 2633 if (which == MASK) { 2634 siso->siso_len = TSEL(siso) - (caddr_t)(siso); 2635 siso->siso_nlen = 0; 2636 } else { 2637 siso->siso_len = sizeof(*siso); 2638 siso->siso_family = AF_ISO; 2639 } 2640} 2641 2642void 2643setsnpaoffset(val, d) 2644 const char *val; 2645 int d; 2646{ 2647 iso_addreq.ifra_snpaoffset = atoi(val); 2648} 2649 2650void 2651setnsellength(val, d) 2652 const char *val; 2653 int d; 2654{ 2655 nsellength = atoi(val); 2656 if (nsellength < 0) 2657 errx(1, "Negative NSEL length is absurd"); 2658 if (afp == 0 || afp->af_af != AF_ISO) 2659 errx(1, "Setting NSEL length valid only for iso"); 2660} 2661 2662void 2663fixnsel(s) 2664 struct sockaddr_iso *s; 2665{ 2666 if (s->siso_family == 0) 2667 return; 2668 s->siso_tlen = nsellength; 2669} 2670 2671void 2672adjust_nsellength() 2673{ 2674 fixnsel(sisotab[RIDADDR]); 2675 fixnsel(sisotab[ADDR]); 2676 fixnsel(sisotab[DSTADDR]); 2677} 2678 2679#endif /* INET_ONLY */ 2680 2681void 2682usage() 2683{ 2684 const char *progname = getprogname(); 2685 2686 fprintf(stderr, 2687 "usage: %s [ -m ] " 2688#ifdef INET6 2689 "[ -L ] " 2690#endif 2691 "interface\n" 2692 "\t[ af [ address [ dest_addr ] ] [ netmask mask ] [ prefixlen n ]\n" 2693 "\t\t[ alias | -alias ] ]\n" 2694 "\t[ up ] [ down ] [ metric n ] [ mtu n ]\n" 2695 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n" 2696 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n" 2697 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n" 2698 "\t[ arp | -arp ]\n" 2699 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] " 2700 "[ instance minst ]\n" 2701 "\t[ vlan n vlanif i ]\n" 2702 "\t[ anycast | -anycast ] [ deprecated | -deprecated ]\n" 2703 "\t[ tentative | -tentative ] [ pltime n ] [ vltime n ]\n" 2704 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" 2705 " %s -a [ -m ] [ -d ] [ -u ] [ af ]\n" 2706 " %s -l [ -b ] [ -d ] [ -u ] [ -s ]\n" 2707 " %s -C\n" 2708 " %s interface create\n" 2709 " %s interface destroy\n", 2710 progname, progname, progname, progname, progname, progname); 2711 exit(1); 2712} 2713 2714#ifdef INET6 2715char * 2716sec2str(total) 2717 time_t total; 2718{ 2719 static char result[256]; 2720 int days, hours, mins, secs; 2721 int first = 1; 2722 char *p = result; 2723 2724 if (0) { /*XXX*/ 2725 days = total / 3600 / 24; 2726 hours = (total / 3600) % 24; 2727 mins = (total / 60) % 60; 2728 secs = total % 60; 2729 2730 if (days) { 2731 first = 0; 2732 p += sprintf(p, "%dd", days); 2733 } 2734 if (!first || hours) { 2735 first = 0; 2736 p += sprintf(p, "%dh", hours); 2737 } 2738 if (!first || mins) { 2739 first = 0; 2740 p += sprintf(p, "%dm", mins); 2741 } 2742 sprintf(p, "%ds", secs); 2743 } else 2744 sprintf(p, "%lu", (u_long)total); 2745 2746 return(result); 2747} 2748#endif 2749