ifconfig.c revision 1.94
1/* $NetBSD: ifconfig.c,v 1.94 2001/01/08 14:06:12 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 1.94 2001/01/08 14:06:12 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#ifdef HAVE_IFADDRS_H 125#include <ifaddrs.h> 126#endif 127 128struct ifreq ifr, ridreq; 129struct ifaliasreq addreq __attribute__((aligned(4))); 130#ifdef INET6 131struct in6_ifreq ifr6; 132struct in6_ifreq in6_ridreq; 133struct in6_aliasreq in6_addreq __attribute__((aligned(4))); 134#endif 135struct iso_ifreq iso_ridreq; 136struct iso_aliasreq iso_addreq; 137struct sockaddr_in netmask; 138struct netrange at_nr; /* AppleTalk net range */ 139 140char name[30]; 141int flags, metric, mtu, setaddr, setipdst, doalias; 142int clearaddr, s; 143int newaddr = -1; 144int nsellength = 1; 145int af; 146int Aflag, aflag, bflag, Cflag, dflag, lflag, mflag, sflag, uflag; 147#ifdef INET6 148int Lflag; 149#endif 150int reset_if_flags; 151int explicit_prefix = 0; 152u_int vlan_tag = (u_int)-1; 153 154void notealias __P((const char *, int)); 155void notrailers __P((const char *, int)); 156void setifaddr __P((const char *, int)); 157void setifdstaddr __P((const char *, int)); 158void setifflags __P((const char *, int)); 159void setifbroadaddr __P((const char *, int)); 160void setifipdst __P((const char *, int)); 161void setifmetric __P((const char *, int)); 162void setifmtu __P((const char *, int)); 163void setifnwid __P((const char *, int)); 164void setifnwkey __P((const char *, int)); 165void setifpowersave __P((const char *, int)); 166void setifpowersavesleep __P((const char *, int)); 167void setifnetmask __P((const char *, int)); 168void setifprefixlen __P((const char *, int)); 169void setnsellength __P((const char *, int)); 170void setsnpaoffset __P((const char *, int)); 171void setatrange __P((const char *, int)); 172void setatphase __P((const char *, int)); 173void settunnel __P((const char *, const char *)); 174void deletetunnel __P((const char *, int)); 175#ifdef INET6 176void setia6flags __P((const char *, int)); 177void setia6pltime __P((const char *, int)); 178void setia6vltime __P((const char *, int)); 179void setia6lifetime __P((const char *, const char *)); 180#endif 181void checkatrange __P ((struct sockaddr_at *)); 182void setmedia __P((const char *, int)); 183void setmediaopt __P((const char *, int)); 184void unsetmediaopt __P((const char *, int)); 185void setmediainst __P((const char *, int)); 186void clone_create __P((const char *, int)); 187void clone_destroy __P((const char *, int)); 188void fixnsel __P((struct sockaddr_iso *)); 189void setvlan __P((const char *, int)); 190void setvlanif __P((const char *, int)); 191void unsetvlanif __P((const char *, int)); 192int main __P((int, char *[])); 193 194/* 195 * Media stuff. Whenever a media command is first performed, the 196 * currently select media is grabbed for this interface. If `media' 197 * is given, the current media word is modifed. `mediaopt' commands 198 * only modify the set and clear words. They then operate on the 199 * current media word later. 200 */ 201int media_current; 202int mediaopt_set; 203int mediaopt_clear; 204 205int actions; /* Actions performed */ 206 207#define A_MEDIA 0x0001 /* media command */ 208#define A_MEDIAOPTSET 0x0002 /* mediaopt command */ 209#define A_MEDIAOPTCLR 0x0004 /* -mediaopt command */ 210#define A_MEDIAOPT (A_MEDIAOPTSET|A_MEDIAOPTCLR) 211#define A_MEDIAINST 0x0008 /* instance or inst command */ 212 213#define NEXTARG 0xffffff 214#define NEXTARG2 0xfffffe 215 216const struct cmd { 217 const char *c_name; 218 int c_parameter; /* NEXTARG means next argv */ 219 int c_action; /* defered action */ 220 void (*c_func) __P((const char *, int)); 221 void (*c_func2) __P((const char *, const char *)); 222} cmds[] = { 223 { "up", IFF_UP, 0, setifflags } , 224 { "down", -IFF_UP, 0, setifflags }, 225 { "trailers", -1, 0, notrailers }, 226 { "-trailers", 1, 0, notrailers }, 227 { "arp", -IFF_NOARP, 0, setifflags }, 228 { "-arp", IFF_NOARP, 0, setifflags }, 229 { "debug", IFF_DEBUG, 0, setifflags }, 230 { "-debug", -IFF_DEBUG, 0, setifflags }, 231 { "alias", IFF_UP, 0, notealias }, 232 { "-alias", -IFF_UP, 0, notealias }, 233 { "delete", -IFF_UP, 0, notealias }, 234#ifdef notdef 235#define EN_SWABIPS 0x1000 236 { "swabips", EN_SWABIPS, 0, setifflags }, 237 { "-swabips", -EN_SWABIPS, 0, setifflags }, 238#endif 239 { "netmask", NEXTARG, 0, setifnetmask }, 240 { "metric", NEXTARG, 0, setifmetric }, 241 { "mtu", NEXTARG, 0, setifmtu }, 242 { "nwid", NEXTARG, 0, setifnwid }, 243 { "nwkey", NEXTARG, 0, setifnwkey }, 244 { "-nwkey", -1, 0, setifnwkey }, 245 { "powersave", 1, 0, setifpowersave }, 246 { "-powersave", 0, 0, setifpowersave }, 247 { "powersavesleep", NEXTARG, 0, setifpowersavesleep }, 248 { "broadcast", NEXTARG, 0, setifbroadaddr }, 249 { "ipdst", NEXTARG, 0, setifipdst }, 250 { "prefixlen", NEXTARG, 0, setifprefixlen}, 251#ifdef INET6 252 { "anycast", IN6_IFF_ANYCAST, 0, setia6flags }, 253 { "-anycast", -IN6_IFF_ANYCAST, 0, setia6flags }, 254 { "tentative", IN6_IFF_TENTATIVE, 0, setia6flags }, 255 { "-tentative", -IN6_IFF_TENTATIVE, 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((void)); 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)); 323#ifdef INET6 324void in6_fillscopeid __P((struct sockaddr_in6 *sin6)); 325void in6_alias __P((struct in6_ifreq *)); 326void in6_status __P((int)); 327void in6_getaddr __P((const char *, int)); 328void in6_getprefix __P((const char *, int)); 329#endif 330void at_status __P((int)); 331void at_getaddr __P((const char *, int)); 332void xns_status __P((int)); 333void xns_getaddr __P((const char *, int)); 334void iso_status __P((int)); 335void iso_getaddr __P((const char *, int)); 336 337void ieee80211_status __P((void)); 338void tunnel_status __P((void)); 339void vlan_status __P((void)); 340 341/* Known address families */ 342struct afswtch { 343 const char *af_name; 344 short af_af; 345 void (*af_status) __P((int)); 346 void (*af_getaddr) __P((const char *, int)); 347 void (*af_getprefix) __P((const char *, int)); 348 u_long af_difaddr; 349 u_long af_aifaddr; 350 u_long af_gifaddr; 351 caddr_t af_ridreq; 352 caddr_t af_addreq; 353} afs[] = { 354#define C(x) ((caddr_t) &x) 355 { "inet", AF_INET, in_status, in_getaddr, NULL, 356 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(addreq) }, 357#ifdef INET6 358 { "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix, 359 SIOCDIFADDR_IN6, SIOCAIFADDR_IN6, 360 /* 361 * Deleting the first address before setting new one is 362 * not prefered way in this protocol. 363 */ 364 0, 365 C(in6_ridreq), C(in6_addreq) }, 366#endif 367#ifndef INET_ONLY /* small version, for boot media */ 368 { "atalk", AF_APPLETALK, at_status, at_getaddr, NULL, 369 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(addreq), C(addreq) }, 370 { "ns", AF_NS, xns_status, xns_getaddr, NULL, 371 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(addreq) }, 372 { "iso", AF_ISO, iso_status, iso_getaddr, NULL, 373 SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, SIOCGIFADDR_ISO, 374 C(iso_ridreq), C(iso_addreq) }, 375#endif /* INET_ONLY */ 376 { 0, 0, 0, 0 } 377}; 378 379struct afswtch *afp; /*the address family being set or asked about*/ 380 381struct afswtch *lookup_af __P((const char *)); 382 383int 384main(argc, argv) 385 int argc; 386 char *argv[]; 387{ 388 struct ifreq ifreq; 389 int ch; 390 391 /* Parse command-line options */ 392 aflag = mflag = 0; 393 while ((ch = getopt(argc, argv, "AabCdlmsu" 394#ifdef INET6 395 "L" 396#endif 397 )) != -1) { 398 switch (ch) { 399 case 'A': 400 Aflag = 1; 401 break; 402 403 case 'a': 404 aflag = 1; 405 break; 406 407 case 'b': 408 bflag = 1; 409 break; 410 411 412 case 'C': 413 Cflag = 1; 414 break; 415 416 case 'd': 417 dflag = 1; 418 break; 419 420#ifdef INET6 421 case 'L': 422 Lflag = 1; 423 break; 424#endif 425 426 case 'l': 427 lflag = 1; 428 break; 429 430 case 'm': 431 mflag = 1; 432 break; 433 434 case 's': 435 sflag = 1; 436 break; 437 438 case 'u': 439 uflag = 1; 440 break; 441 442 443 default: 444 usage(); 445 /* NOTREACHED */ 446 } 447 } 448 argc -= optind; 449 argv += optind; 450 451 /* 452 * -l means "list all interfaces", and is mutally exclusive with 453 * all other flags/commands. 454 * 455 * -C means "list all names of cloners", and it mutually exclusive 456 * with all other flags/commands. 457 * 458 * -a means "print status of all interfaces". 459 */ 460 if ((lflag || Cflag) && (aflag || mflag || Aflag || argc)) 461 usage(); 462#ifdef INET6 463 if ((lflag || Cflag) && Lflag) 464 usage(); 465#endif 466 if (lflag && Cflag) 467 usage(); 468 if (Cflag) { 469 if (argc) 470 usage(); 471 list_cloners(); 472 exit(0); 473 } 474 if (aflag || lflag) { 475 if (argc > 1) 476 usage(); 477 else if (argc == 1) { 478 afp = lookup_af(argv[0]); 479 if (afp == NULL) 480 usage(); 481 } 482 if (afp) 483 af = ifr.ifr_addr.sa_family = afp->af_af; 484 else 485 af = ifr.ifr_addr.sa_family = afs[0].af_af; 486 printall(); 487 exit(0); 488 } 489 490 /* Make sure there's an interface name. */ 491 if (argc < 1) 492 usage(); 493 (void) strncpy(name, argv[0], sizeof(name)); 494 argc--; argv++; 495 496 /* 497 * NOTE: We must special-case the `create' command right 498 * here as we would otherwise fail in getinfo(). 499 */ 500 if (argc > 0 && strcmp(argv[0], "create") == 0) { 501 clone_create(argv[0], 0); 502 argc--, argv++; 503 if (argc == 0) 504 exit(0); 505 } 506 507 /* Check for address family. */ 508 afp = NULL; 509 if (argc > 0) { 510 afp = lookup_af(argv[0]); 511 if (afp != NULL) { 512 argv++; 513 argc--; 514 } 515 } 516 517 /* Initialize af, just for use in getinfo(). */ 518 if (afp == NULL) 519 af = afs->af_af; 520 else 521 af = afp->af_af; 522 523 /* Get information about the interface. */ 524 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 525 if (getinfo(&ifr) < 0) 526 exit(1); 527 528 if (sflag) { 529 if (argc != 0) 530 usage(); 531 else 532 exit(carrier()); 533 } 534 535 /* No more arguments means interface status. */ 536 if (argc == 0) { 537 status(NULL, 0); 538 exit(0); 539 } 540 541 /* The following operations assume inet family as the default. */ 542 if (afp == NULL) 543 afp = afs; 544 af = ifr.ifr_addr.sa_family = afp->af_af; 545 546#ifdef INET6 547 /* initialization */ 548 in6_addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; 549 in6_addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; 550#endif 551 552 /* Process commands. */ 553 while (argc > 0) { 554 const struct cmd *p; 555 556 for (p = cmds; p->c_name; p++) 557 if (strcmp(argv[0], p->c_name) == 0) 558 break; 559 if (p->c_name == 0 && setaddr) { 560 if ((flags & IFF_POINTOPOINT) == 0) { 561 errx(1, "can't set destination address %s", 562 "on non-point-to-point link"); 563 } 564 p++; /* got src, do dst */ 565 } 566 if (p->c_func != NULL || p->c_func2 != NULL) { 567 if (p->c_parameter == NEXTARG) { 568 if (argc < 2) 569 errx(1, "'%s' requires argument", 570 p->c_name); 571 (*p->c_func)(argv[1], 0); 572 argc--, argv++; 573 } else if (p->c_parameter == NEXTARG2) { 574 if (argc < 3) 575 errx(1, "'%s' requires 2 arguments", 576 p->c_name); 577 (*p->c_func2)(argv[1], argv[2]); 578 argc -= 2, argv += 2; 579 } else 580 (*p->c_func)(argv[0], p->c_parameter); 581 actions |= p->c_action; 582 } 583 argc--, argv++; 584 } 585 586 /* Process any media commands that may have been issued. */ 587 process_media_commands(); 588 589 if (af == AF_INET6 && explicit_prefix == 0) { 590 /* 591 * Aggregatable address architecture defines all prefixes 592 * are 64. So, it is convenient to set prefixlen to 64 if 593 * it is not specified. 594 */ 595 setifprefixlen("64", 0); 596 /* in6_getprefix("64", MASK) if MASK is available here... */ 597 } 598 599#ifndef INET_ONLY 600 if (af == AF_ISO) 601 adjust_nsellength(); 602 603 if (af == AF_APPLETALK) 604 checkatrange((struct sockaddr_at *) &addreq.ifra_addr); 605 606 if (setipdst && af==AF_NS) { 607 struct nsip_req rq; 608 int size = sizeof(rq); 609 610 rq.rq_ns = addreq.ifra_addr; 611 rq.rq_ip = addreq.ifra_dstaddr; 612 613 if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0) 614 warn("encapsulation routing"); 615 } 616 617#endif /* INET_ONLY */ 618 619 if (clearaddr) { 620 (void) strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name); 621 if (ioctl(s, afp->af_difaddr, afp->af_ridreq) < 0) 622 err(1, "SIOCDIFADDR"); 623 } 624 if (newaddr > 0) { 625 (void) strncpy(afp->af_addreq, name, sizeof ifr.ifr_name); 626 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) < 0) 627 warn("SIOCAIFADDR"); 628 } 629 630 if (reset_if_flags) { 631 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 632 ifreq.ifr_flags = flags; 633 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) < 0) 634 err(1, "SIOCSIFFLAGS"); 635 } 636 exit(0); 637} 638 639struct afswtch * 640lookup_af(cp) 641 const char *cp; 642{ 643 struct afswtch *a; 644 645 for (a = afs; a->af_name != NULL; a++) 646 if (strcmp(a->af_name, cp) == 0) 647 return (a); 648 return (NULL); 649} 650 651void 652getsock(naf) 653 int naf; 654{ 655 static int oaf = -1; 656 657 if (oaf == naf) 658 return; 659 if (oaf != -1) 660 close(s); 661 s = socket(naf, SOCK_DGRAM, 0); 662 if (s < 0) 663 oaf = -1; 664 else 665 oaf = naf; 666} 667 668int 669getinfo(ifr) 670 struct ifreq *ifr; 671{ 672 673 getsock(af); 674 if (s < 0) 675 err(1, "socket"); 676 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)ifr) < 0) { 677 warn("SIOCGIFFLAGS %s", ifr->ifr_name); 678 return (-1); 679 } 680 flags = ifr->ifr_flags; 681 if (ioctl(s, SIOCGIFMETRIC, (caddr_t)ifr) < 0) { 682 warn("SIOCGIFMETRIC %s", ifr->ifr_name); 683 metric = 0; 684 } else 685 metric = ifr->ifr_metric; 686 if (ioctl(s, SIOCGIFMTU, (caddr_t)ifr) < 0) 687 mtu = 0; 688 else 689 mtu = ifr->ifr_mtu; 690 return (0); 691} 692 693void 694printall() 695{ 696#ifdef HAVE_IFADDRS_H 697 struct ifaddrs *ifap, *ifa; 698 struct ifreq ifr; 699 const struct sockaddr_dl *sdl = NULL; 700 int idx; 701 char *p; 702 703 if (getifaddrs(&ifap) != 0) 704 err(1, "getifaddrs"); 705 p = NULL; 706 idx = 0; 707 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 708 memset(&ifr, 0, sizeof(ifr)); 709 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 710 if (sizeof(ifr.ifr_addr) >= ifa->ifa_addr->sa_len) { 711 memcpy(&ifr.ifr_addr, ifa->ifa_addr, 712 ifa->ifa_addr->sa_len); 713 } 714 715 if (ifa->ifa_addr->sa_family == AF_LINK) 716 sdl = (const struct sockaddr_dl *) ifa->ifa_addr; 717 if (p && strcmp(p, ifa->ifa_name) == 0) 718 continue; 719 (void) strncpy(name, ifa->ifa_name, sizeof(name)); 720 name[sizeof(name) - 1] = '\0'; 721 p = ifa->ifa_name; 722 723 if (getinfo(&ifr) < 0) 724 continue; 725 if (bflag && (ifa->ifa_flags & (IFF_POINTOPOINT|IFF_LOOPBACK))) 726 continue; 727 if (dflag && (ifa->ifa_flags & IFF_UP) != 0) 728 continue; 729 if (uflag && (ifa->ifa_flags & IFF_UP) == 0) 730 continue; 731 732 if (sflag && carrier()) 733 continue; 734 idx++; 735 /* 736 * Are we just listing the interfaces? 737 */ 738 if (lflag) { 739 if (idx > 1) 740 putchar(' '); 741 fputs(name, stdout); 742 continue; 743 } 744 745 if (sdl == NULL) { 746 status(NULL, 0); 747 } else { 748 status(LLADDR(sdl), sdl->sdl_alen); 749 sdl = NULL; 750 } 751 } 752 if (lflag) 753 putchar('\n'); 754 freeifaddrs(ifap); 755#else 756 char inbuf[8192]; 757 const struct sockaddr_dl *sdl = NULL; 758 struct ifconf ifc; 759 struct ifreq ifreq, *ifr; 760 int i, siz, idx; 761 char ifrbuf[8192], *cp; 762 763 ifc.ifc_len = sizeof(inbuf); 764 ifc.ifc_buf = inbuf; 765 getsock(af); 766 if (s < 0) 767 err(1, "socket"); 768 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 769 err(1, "SIOCGIFCONF"); 770 ifreq.ifr_name[0] = '\0'; 771 for (i = 0, idx = 0; i < ifc.ifc_len; ) { 772 /* Copy the mininum ifreq into the buffer. */ 773 cp = ((caddr_t)ifc.ifc_req + i); 774 memcpy(ifrbuf, cp, sizeof(*ifr)); 775 776 /* Now compute the actual size of the ifreq. */ 777 ifr = (struct ifreq *)ifrbuf; 778 siz = ifr->ifr_addr.sa_len; 779 if (siz < sizeof(ifr->ifr_addr)) 780 siz = sizeof(ifr->ifr_addr); 781 siz += sizeof(ifr->ifr_name); 782 i += siz; 783 784 /* Now copy the whole thing. */ 785 if (sizeof(ifrbuf) < siz) 786 errx(1, "ifr too big"); 787 memcpy(ifrbuf, cp, siz); 788 789 if (ifr->ifr_addr.sa_family == AF_LINK) 790 sdl = (const struct sockaddr_dl *) &ifr->ifr_addr; 791 if (!strncmp(ifreq.ifr_name, ifr->ifr_name, 792 sizeof(ifr->ifr_name))) 793 continue; 794 (void) strncpy(name, ifr->ifr_name, sizeof(ifr->ifr_name)); 795 ifreq = *ifr; 796 797 if (getinfo(&ifreq) < 0) 798 continue; 799 if (bflag && (flags & (IFF_POINTOPOINT|IFF_LOOPBACK))) 800 continue; 801 if (dflag && (flags & IFF_UP) != 0) 802 continue; 803 if (uflag && (flags & IFF_UP) == 0) 804 continue; 805 806 if (sflag && carrier()) 807 continue; 808 idx++; 809 /* 810 * Are we just listing the interfaces? 811 */ 812 if (lflag) { 813 if (idx > 1) 814 putchar(' '); 815 fputs(name, stdout); 816 continue; 817 } 818 819 if (sdl == NULL) { 820 status(NULL, 0); 821 } else { 822 status(LLADDR(sdl), sdl->sdl_alen); 823 sdl = NULL; 824 } 825 } 826 if (lflag) 827 putchar('\n'); 828#endif 829} 830 831void 832list_cloners(void) 833{ 834 struct if_clonereq ifcr; 835 char *cp, *buf; 836 int idx; 837 838 memset(&ifcr, 0, sizeof(ifcr)); 839 840 getsock(AF_INET); 841 842 if (ioctl(s, SIOCIFGCLONERS, &ifcr) < 0) 843 err(1, "SIOCIFGCLONERS for count"); 844 845 buf = malloc(ifcr.ifcr_total * IFNAMSIZ); 846 if (buf == NULL) 847 err(1, "unable to allocate cloner name buffer"); 848 849 ifcr.ifcr_count = ifcr.ifcr_total; 850 ifcr.ifcr_buffer = buf; 851 852 if (ioctl(s, SIOCIFGCLONERS, &ifcr) < 0) 853 err(1, "SIOCIFGCLONERS for names"); 854 855 /* 856 * In case some disappeared in the mean time, clamp it down. 857 */ 858 if (ifcr.ifcr_count > ifcr.ifcr_total) 859 ifcr.ifcr_count = ifcr.ifcr_total; 860 861 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) { 862 if (idx > 0) 863 putchar(' '); 864 printf("%s", cp); 865 } 866 867 putchar('\n'); 868 free(buf); 869 return; 870} 871 872/*ARGSUSED*/ 873void 874clone_create(addr, param) 875 const char *addr; 876 int param; 877{ 878 879 /* We're called early... */ 880 getsock(AF_INET); 881 882 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 883 if (ioctl(s, SIOCIFCREATE, &ifr) < 0) 884 err(1, "SIOCIFCREATE"); 885} 886 887/*ARGSUSED*/ 888void 889clone_destroy(addr, param) 890 const char *addr; 891 int param; 892{ 893 894 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 895 if (ioctl(s, SIOCIFDESTROY, &ifr) < 0) 896 err(1, "SIOCIFDESTROY"); 897} 898 899#define RIDADDR 0 900#define ADDR 1 901#define MASK 2 902#define DSTADDR 3 903 904/*ARGSUSED*/ 905void 906setifaddr(addr, param) 907 const char *addr; 908 int param; 909{ 910 struct ifreq *ifr; /* XXX */ 911 912 /* 913 * Delay the ioctl to set the interface addr until flags are all set. 914 * The address interpretation may depend on the flags, 915 * and the flags may change when the address is set. 916 */ 917 setaddr++; 918 if (newaddr == -1) 919 newaddr = 1; 920 if (doalias == 0 && afp->af_gifaddr != 0) { 921 ifr = (struct ifreq *)afp->af_ridreq; 922 (void) strncpy(ifr->ifr_name, name, sizeof(ifr->ifr_name)); 923 ifr->ifr_addr.sa_family = afp->af_af; 924 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0) 925 clearaddr = 1; 926 else if (errno == EADDRNOTAVAIL) 927 /* No address was assigned yet. */ 928 ; 929 else 930 err(1, "SIOCGIFADDR"); 931 } 932 933 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 934} 935 936void 937settunnel(src, dst) 938 const char *src, *dst; 939{ 940 struct addrinfo hints, *srcres, *dstres; 941 struct ifaliasreq addreq; 942 int ecode; 943#ifdef INET6 944 struct in6_aliasreq in6_addreq; 945#endif 946 947 memset(&hints, 0, sizeof(hints)); 948 hints.ai_family = afp->af_af; 949 950 if ((ecode = getaddrinfo(src, NULL, NULL, &srcres)) != 0) 951 errx(1, "error in parsing address string: %s", 952 gai_strerror(ecode)); 953 954 if ((ecode = getaddrinfo(dst, NULL, NULL, &dstres)) != 0) 955 errx(1, "error in parsing address string: %s", 956 gai_strerror(ecode)); 957 958 if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family) 959 errx(1, 960 "source and destination address families do not match"); 961 962 switch (srcres->ai_addr->sa_family) { 963 case AF_INET: 964 memset(&addreq, 0, sizeof(addreq)); 965 strncpy(addreq.ifra_name, name, IFNAMSIZ); 966 memcpy(&addreq.ifra_addr, srcres->ai_addr, 967 srcres->ai_addr->sa_len); 968 memcpy(&addreq.ifra_dstaddr, dstres->ai_addr, 969 dstres->ai_addr->sa_len); 970 971 if (ioctl(s, SIOCSIFPHYADDR, &addreq) < 0) 972 warn("SIOCSIFPHYADDR"); 973 break; 974 975#ifdef INET6 976 case AF_INET6: 977 memset(&in6_addreq, 0, sizeof(in6_addreq)); 978 strncpy(in6_addreq.ifra_name, name, IFNAMSIZ); 979 memcpy(&in6_addreq.ifra_addr, srcres->ai_addr, 980 srcres->ai_addr->sa_len); 981 memcpy(&in6_addreq.ifra_dstaddr, dstres->ai_addr, 982 dstres->ai_addr->sa_len); 983 984 if (ioctl(s, SIOCSIFPHYADDR_IN6, &in6_addreq) < 0) 985 warn("SIOCSIFPHYADDR_IN6"); 986 break; 987#endif /* INET6 */ 988 989 default: 990 warn("address family not supported"); 991 } 992 993 freeaddrinfo(srcres); 994 freeaddrinfo(dstres); 995} 996 997/* ARGSUSED */ 998void 999deletetunnel(vname, param) 1000 const char *vname; 1001 int param; 1002{ 1003 1004 if (ioctl(s, SIOCDIFPHYADDR, &ifr) < 0) 1005 err(1, "SIOCDIFPHYADDR"); 1006} 1007 1008void setvlan(val, d) 1009 const char *val; 1010 int d; 1011{ 1012 struct vlanreq vlr; 1013 1014 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1015 !isdigit(ifr.ifr_name[4])) 1016 errx(EXIT_FAILURE, 1017 "``vlan'' valid only with vlan(4) interfaces"); 1018 1019 vlan_tag = atoi(val); 1020 1021 memset(&vlr, 0, sizeof(vlr)); 1022 ifr.ifr_data = (caddr_t)&vlr; 1023 1024 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1025 err(EXIT_FAILURE, "SIOCGETVLAN"); 1026 1027 vlr.vlr_tag = vlan_tag; 1028 1029 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1030 err(EXIT_FAILURE, "SIOCSETVLAN"); 1031} 1032 1033void setvlanif(val, d) 1034 const char *val; 1035 int d; 1036{ 1037 struct vlanreq vlr; 1038 1039 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1040 !isdigit(ifr.ifr_name[4])) 1041 errx(EXIT_FAILURE, 1042 "``vlanif'' valid only with vlan(4) interfaces"); 1043 1044 if (vlan_tag == (u_int)-1) 1045 errx(EXIT_FAILURE, 1046 "must specify both ``vlan'' and ``vlanif''"); 1047 1048 memset(&vlr, 0, sizeof(vlr)); 1049 ifr.ifr_data = (caddr_t)&vlr; 1050 1051 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1052 err(EXIT_FAILURE, "SIOCGETVLAN"); 1053 1054 strlcpy(vlr.vlr_parent, val, sizeof(vlr.vlr_parent)); 1055 vlr.vlr_tag = vlan_tag; 1056 1057 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1058 err(EXIT_FAILURE, "SIOCSETVLAN"); 1059} 1060 1061void unsetvlanif(val, d) 1062 const char *val; 1063 int d; 1064{ 1065 struct vlanreq vlr; 1066 1067 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1068 !isdigit(ifr.ifr_name[4])) 1069 errx(EXIT_FAILURE, 1070 "``vlanif'' valid only with vlan(4) interfaces"); 1071 1072 memset(&vlr, 0, sizeof(vlr)); 1073 ifr.ifr_data = (caddr_t)&vlr; 1074 1075 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1076 err(EXIT_FAILURE, "SIOCGETVLAN"); 1077 1078 vlr.vlr_parent[0] = '\0'; 1079 vlr.vlr_tag = 0; 1080 1081 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1082 err(EXIT_FAILURE, "SIOCSETVLAN"); 1083} 1084 1085void 1086setifnetmask(addr, d) 1087 const char *addr; 1088 int d; 1089{ 1090 (*afp->af_getaddr)(addr, MASK); 1091} 1092 1093void 1094setifbroadaddr(addr, d) 1095 const char *addr; 1096 int d; 1097{ 1098 (*afp->af_getaddr)(addr, DSTADDR); 1099} 1100 1101void 1102setifipdst(addr, d) 1103 const char *addr; 1104 int d; 1105{ 1106 in_getaddr(addr, DSTADDR); 1107 setipdst++; 1108 clearaddr = 0; 1109 newaddr = 0; 1110} 1111 1112#define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 1113/*ARGSUSED*/ 1114void 1115notealias(addr, param) 1116 const char *addr; 1117 int param; 1118{ 1119 if (setaddr && doalias == 0 && param < 0) 1120 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 1121 rqtosa(af_addreq)->sa_len); 1122 doalias = param; 1123 if (param < 0) { 1124 clearaddr = 1; 1125 newaddr = 0; 1126 } else 1127 clearaddr = 0; 1128} 1129 1130/*ARGSUSED*/ 1131void 1132notrailers(vname, value) 1133 const char *vname; 1134 int value; 1135{ 1136 puts("Note: trailers are no longer sent, but always received"); 1137} 1138 1139/*ARGSUSED*/ 1140void 1141setifdstaddr(addr, param) 1142 const char *addr; 1143 int param; 1144{ 1145 (*afp->af_getaddr)(addr, DSTADDR); 1146} 1147 1148void 1149setifflags(vname, value) 1150 const char *vname; 1151 int value; 1152{ 1153 struct ifreq ifreq; 1154 1155 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 1156 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifreq) < 0) 1157 err(1, "SIOCGIFFLAGS"); 1158 flags = ifreq.ifr_flags; 1159 1160 if (value < 0) { 1161 value = -value; 1162 flags &= ~value; 1163 } else 1164 flags |= value; 1165 ifreq.ifr_flags = flags; 1166 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) < 0) 1167 err(1, "SIOCSIFFLAGS"); 1168 1169 reset_if_flags = 1; 1170} 1171 1172#ifdef INET6 1173void 1174setia6flags(vname, value) 1175 const char *vname; 1176 int value; 1177{ 1178 if (value < 0) { 1179 value = -value; 1180 in6_addreq.ifra_flags &= ~value; 1181 } else 1182 in6_addreq.ifra_flags |= value; 1183} 1184 1185void 1186setia6pltime(val, d) 1187 const char *val; 1188 int d; 1189{ 1190 setia6lifetime("pltime", val); 1191} 1192 1193void 1194setia6vltime(val, d) 1195 const char *val; 1196 int d; 1197{ 1198 setia6lifetime("vltime", val); 1199} 1200 1201void 1202setia6lifetime(cmd, val) 1203 const char *cmd; 1204 const char *val; 1205{ 1206 time_t newval, t; 1207 char *ep; 1208 1209 t = time(NULL); 1210 newval = (time_t)strtoul(val, &ep, 0); 1211 if (val == ep) 1212 errx(1, "invalid %s", cmd); 1213 if (afp->af_af != AF_INET6) 1214 errx(1, "%s not allowed for the AF", cmd); 1215 if (strcmp(cmd, "vltime") == 0) { 1216 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 1217 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 1218 } else if (strcmp(cmd, "pltime") == 0) { 1219 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 1220 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 1221 } 1222} 1223#endif 1224 1225void 1226setifmetric(val, d) 1227 const char *val; 1228 int d; 1229{ 1230 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1231 ifr.ifr_metric = atoi(val); 1232 if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) < 0) 1233 warn("SIOCSIFMETRIC"); 1234} 1235 1236void 1237setifmtu(val, d) 1238 const char *val; 1239 int d; 1240{ 1241 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1242 ifr.ifr_mtu = atoi(val); 1243 if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) < 0) 1244 warn("SIOCSIFMTU"); 1245} 1246 1247const char * 1248get_string(val, sep, buf, lenp) 1249 const char *val, *sep; 1250 u_int8_t *buf; 1251 int *lenp; 1252{ 1253 int len; 1254 int hexstr; 1255 u_int8_t *p; 1256 1257 len = *lenp; 1258 p = buf; 1259 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 1260 if (hexstr) 1261 val += 2; 1262 for (;;) { 1263 if (*val == '\0') 1264 break; 1265 if (sep != NULL && strchr(sep, *val) != NULL) { 1266 val++; 1267 break; 1268 } 1269 if (hexstr) { 1270 if (!isxdigit((u_char)val[0]) || 1271 !isxdigit((u_char)val[1])) { 1272 warnx("bad hexadecimal digits"); 1273 return NULL; 1274 } 1275 } 1276 if (p > buf + len) { 1277 if (hexstr) 1278 warnx("hexadecimal digits too long"); 1279 else 1280 warnx("strings too long"); 1281 return NULL; 1282 } 1283 if (hexstr) { 1284#define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 1285 *p++ = (tohex((u_char)val[0]) << 4) | 1286 tohex((u_char)val[1]); 1287#undef tohex 1288 val += 2; 1289 } else 1290 *p++ = *val++; 1291 } 1292 len = p - buf; 1293 if (len < *lenp) 1294 memset(p, 0, *lenp - len); 1295 *lenp = len; 1296 return val; 1297} 1298 1299void 1300print_string(buf, len) 1301 const u_int8_t *buf; 1302 int len; 1303{ 1304 int i; 1305 int hasspc; 1306 1307 i = 0; 1308 hasspc = 0; 1309 if (len < 2 || buf[0] != '0' || tolower(buf[1]) != 'x') { 1310 for (; i < len; i++) { 1311 if (!isprint(buf[i])) 1312 break; 1313 if (isspace(buf[i])) 1314 hasspc++; 1315 } 1316 } 1317 if (i == len) { 1318 if (hasspc || len == 0) 1319 printf("\"%.*s\"", len, buf); 1320 else 1321 printf("%.*s", len, buf); 1322 } else { 1323 printf("0x"); 1324 for (i = 0; i < len; i++) 1325 printf("%02x", buf[i]); 1326 } 1327} 1328 1329void 1330setifnwid(val, d) 1331 const char *val; 1332 int d; 1333{ 1334 struct ieee80211_nwid nwid; 1335 int len; 1336 1337 len = sizeof(nwid.i_nwid); 1338 if (get_string(val, NULL, nwid.i_nwid, &len) == NULL) 1339 return; 1340 nwid.i_len = len; 1341 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1342 ifr.ifr_data = (caddr_t)&nwid; 1343 if (ioctl(s, SIOCS80211NWID, (caddr_t)&ifr) < 0) 1344 warn("SIOCS80211NWID"); 1345} 1346 1347void 1348setifnwkey(val, d) 1349 const char *val; 1350 int d; 1351{ 1352 struct ieee80211_nwkey nwkey; 1353 int i; 1354 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1355 1356 nwkey.i_wepon = 1; 1357 nwkey.i_defkid = 1; 1358 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1359 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1360 nwkey.i_key[i].i_keydat = keybuf[i]; 1361 } 1362 if (d != 0) { 1363 /* disable WEP encryption */ 1364 nwkey.i_wepon = 0; 1365 i = 0; 1366 } else if (isdigit(val[0]) && val[1] == ':') { 1367 /* specifying a full set of four keys */ 1368 nwkey.i_defkid = val[0] - '0'; 1369 val += 2; 1370 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1371 val = get_string(val, ",", keybuf[i], 1372 &nwkey.i_key[i].i_keylen); 1373 if (val == NULL) 1374 return; 1375 } 1376 if (*val != '\0') { 1377 warnx("SIOCS80211NWKEY: too many keys."); 1378 return; 1379 } 1380 } else { 1381 val = get_string(val, NULL, keybuf[0], 1382 &nwkey.i_key[0].i_keylen); 1383 if (val == NULL) 1384 return; 1385 i = 1; 1386 } 1387 for (; i < IEEE80211_WEP_NKID; i++) 1388 nwkey.i_key[i].i_keylen = 0; 1389 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1390 if (ioctl(s, SIOCS80211NWKEY, (caddr_t)&nwkey) < 0) 1391 warn("SIOCS80211NWKEY"); 1392} 1393 1394void 1395setifpowersave(val, d) 1396 const char *val; 1397 int d; 1398{ 1399 struct ieee80211_power power; 1400 1401 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1402 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) < 0) { 1403 warn("SIOCG80211POWER"); 1404 return; 1405 } 1406 1407 power.i_enabled = d; 1408 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) < 0) 1409 warn("SIOCS80211POWER"); 1410} 1411 1412void 1413setifpowersavesleep(val, d) 1414 const char *val; 1415 int d; 1416{ 1417 struct ieee80211_power power; 1418 1419 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1420 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) < 0) { 1421 warn("SIOCG80211POWER"); 1422 return; 1423 } 1424 1425 power.i_maxsleep = atoi(val); 1426 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) < 0) 1427 warn("SIOCS80211POWER"); 1428} 1429 1430void 1431ieee80211_status() 1432{ 1433 int i; 1434 struct ieee80211_nwid nwid; 1435 struct ieee80211_nwkey nwkey; 1436 struct ieee80211_power power; 1437 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1438 1439 memset(&ifr, 0, sizeof(ifr)); 1440 ifr.ifr_data = (caddr_t)&nwid; 1441 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1442 if (ioctl(s, SIOCG80211NWID, (caddr_t)&ifr) != 0) 1443 return; 1444 if (nwid.i_len > IEEE80211_NWID_LEN) { 1445 warnx("SIOCG80211NWID: wrong length of nwid (%d)", nwid.i_len); 1446 return; 1447 } 1448 printf("\tnwid "); 1449 print_string(nwid.i_nwid, nwid.i_len); 1450 memset(&nwkey, 0, sizeof(nwkey)); 1451 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1452 /* show nwkey only when WEP is enabled */ 1453 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) != 0 || 1454 nwkey.i_wepon == 0) { 1455 printf("\n"); 1456 goto skip_wep; 1457 } 1458 1459 printf(" nwkey "); 1460 /* try to retrieve WEP keys */ 1461 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1462 nwkey.i_key[i].i_keydat = keybuf[i]; 1463 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1464 } 1465 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) != 0) { 1466 printf("*****"); 1467 } else { 1468 if (nwkey.i_defkid != 1) { 1469 /* non default key or multiple keys defined */ 1470 i = 0; 1471 } else if (nwkey.i_key[0].i_keylen >= 2 && 1472 isdigit(nwkey.i_key[0].i_keydat[0]) && 1473 nwkey.i_key[0].i_keydat[1] == ':') { 1474 /* ambiguous */ 1475 i = 0; 1476 } else { 1477 for (i = 1; i < IEEE80211_WEP_NKID; i++) { 1478 if (nwkey.i_key[i].i_keylen != 0) 1479 break; 1480 } 1481 } 1482 if (i == IEEE80211_WEP_NKID) { 1483 /* only show the first key */ 1484 print_string(nwkey.i_key[0].i_keydat, 1485 nwkey.i_key[0].i_keylen); 1486 } else { 1487 printf("%d:", nwkey.i_defkid); 1488 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1489 if (i > 0) 1490 printf(","); 1491 print_string(nwkey.i_key[i].i_keydat, 1492 nwkey.i_key[i].i_keylen); 1493 } 1494 } 1495 } 1496 printf("\n"); 1497 1498 skip_wep: 1499 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1500 if (ioctl(s, SIOCG80211POWER, &power) != 0) 1501 return; 1502 printf("\tpowersave "); 1503 if (power.i_enabled) 1504 printf("on (%dms sleep)", power.i_maxsleep); 1505 else 1506 printf("off"); 1507 printf("\n"); 1508} 1509 1510void 1511init_current_media() 1512{ 1513 struct ifmediareq ifmr; 1514 1515 /* 1516 * If we have not yet done so, grab the currently-selected 1517 * media. 1518 */ 1519 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1520 (void) memset(&ifmr, 0, sizeof(ifmr)); 1521 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1522 1523 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1524 /* 1525 * If we get E2BIG, the kernel is telling us 1526 * that there are more, so we can ignore it. 1527 */ 1528 if (errno != E2BIG) 1529 err(1, "SGIOCGIFMEDIA"); 1530 } 1531 1532 media_current = ifmr.ifm_current; 1533 } 1534 1535 /* Sanity. */ 1536 if (IFM_TYPE(media_current) == 0) 1537 errx(1, "%s: no link type?", name); 1538} 1539 1540void 1541process_media_commands() 1542{ 1543 1544 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1545 /* Nothing to do. */ 1546 return; 1547 } 1548 1549 /* 1550 * Media already set up, and commands sanity-checked. Set/clear 1551 * any options, and we're ready to go. 1552 */ 1553 media_current |= mediaopt_set; 1554 media_current &= ~mediaopt_clear; 1555 1556 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1557 ifr.ifr_media = media_current; 1558 1559 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0) 1560 err(1, "SIOCSIFMEDIA"); 1561} 1562 1563void 1564setmedia(val, d) 1565 const char *val; 1566 int d; 1567{ 1568 int type, subtype, inst; 1569 1570 init_current_media(); 1571 1572 /* Only one media command may be given. */ 1573 if (actions & A_MEDIA) 1574 errx(1, "only one `media' command may be issued"); 1575 1576 /* Must not come after mediaopt commands */ 1577 if (actions & A_MEDIAOPT) 1578 errx(1, "may not issue `media' after `mediaopt' commands"); 1579 1580 /* 1581 * No need to check if `instance' has been issued; setmediainst() 1582 * craps out if `media' has not been specified. 1583 */ 1584 1585 type = IFM_TYPE(media_current); 1586 inst = IFM_INST(media_current); 1587 1588 /* Look up the subtype. */ 1589 subtype = get_media_subtype(type, val); 1590 1591 /* Build the new current media word. */ 1592 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1593 1594 /* Media will be set after other processing is complete. */ 1595} 1596 1597void 1598setmediaopt(val, d) 1599 const char *val; 1600 int d; 1601{ 1602 1603 init_current_media(); 1604 1605 /* Can only issue `mediaopt' once. */ 1606 if (actions & A_MEDIAOPTSET) 1607 errx(1, "only one `mediaopt' command may be issued"); 1608 1609 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1610 if (actions & A_MEDIAINST) 1611 errx(1, "may not issue `mediaopt' after `instance'"); 1612 1613 mediaopt_set = get_media_options(IFM_TYPE(media_current), val); 1614 1615 /* Media will be set after other processing is complete. */ 1616} 1617 1618void 1619unsetmediaopt(val, d) 1620 const char *val; 1621 int d; 1622{ 1623 1624 init_current_media(); 1625 1626 /* Can only issue `-mediaopt' once. */ 1627 if (actions & A_MEDIAOPTCLR) 1628 errx(1, "only one `-mediaopt' command may be issued"); 1629 1630 /* May not issue `media' and `-mediaopt'. */ 1631 if (actions & A_MEDIA) 1632 errx(1, "may not issue both `media' and `-mediaopt'"); 1633 1634 /* 1635 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1636 * implicitly checks for A_MEDIAINST. 1637 */ 1638 1639 mediaopt_clear = get_media_options(IFM_TYPE(media_current), val); 1640 1641 /* Media will be set after other processing is complete. */ 1642} 1643 1644void 1645setmediainst(val, d) 1646 const char *val; 1647 int d; 1648{ 1649 int type, subtype, options, inst; 1650 1651 init_current_media(); 1652 1653 /* Can only issue `instance' once. */ 1654 if (actions & A_MEDIAINST) 1655 errx(1, "only one `instance' command may be issued"); 1656 1657 /* Must have already specified `media' */ 1658 if ((actions & A_MEDIA) == 0) 1659 errx(1, "must specify `media' before `instance'"); 1660 1661 type = IFM_TYPE(media_current); 1662 subtype = IFM_SUBTYPE(media_current); 1663 options = IFM_OPTIONS(media_current); 1664 1665 inst = atoi(val); 1666 if (inst < 0 || inst > IFM_INST_MAX) 1667 errx(1, "invalid media instance: %s", val); 1668 1669 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1670 1671 /* Media will be set after other processing is complete. */ 1672} 1673 1674struct ifmedia_description ifm_type_descriptions[] = 1675 IFM_TYPE_DESCRIPTIONS; 1676 1677struct ifmedia_description ifm_subtype_descriptions[] = 1678 IFM_SUBTYPE_DESCRIPTIONS; 1679 1680struct ifmedia_description ifm_option_descriptions[] = 1681 IFM_OPTION_DESCRIPTIONS; 1682 1683const char * 1684get_media_type_string(mword) 1685 int mword; 1686{ 1687 struct ifmedia_description *desc; 1688 1689 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; 1690 desc++) { 1691 if (IFM_TYPE(mword) == desc->ifmt_word) 1692 return (desc->ifmt_string); 1693 } 1694 return ("<unknown type>"); 1695} 1696 1697const char * 1698get_media_subtype_string(mword) 1699 int mword; 1700{ 1701 struct ifmedia_description *desc; 1702 1703 for (desc = ifm_subtype_descriptions; desc->ifmt_string != NULL; 1704 desc++) { 1705 if (IFM_TYPE_MATCH(desc->ifmt_word, mword) && 1706 IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(mword)) 1707 return (desc->ifmt_string); 1708 } 1709 return ("<unknown subtype>"); 1710} 1711 1712int 1713get_media_subtype(type, val) 1714 int type; 1715 const char *val; 1716{ 1717 int rval; 1718 1719 rval = lookup_media_word(ifm_subtype_descriptions, type, val); 1720 if (rval == -1) 1721 errx(1, "unknown %s media subtype: %s", 1722 get_media_type_string(type), val); 1723 1724 return (rval); 1725} 1726 1727int 1728get_media_options(type, val) 1729 int type; 1730 const char *val; 1731{ 1732 char *optlist, *str; 1733 int option, rval = 0; 1734 1735 /* We muck with the string, so copy it. */ 1736 optlist = strdup(val); 1737 if (optlist == NULL) 1738 err(1, "strdup"); 1739 str = optlist; 1740 1741 /* 1742 * Look up the options in the user-provided comma-separated list. 1743 */ 1744 for (; (str = strtok(str, ",")) != NULL; str = NULL) { 1745 option = lookup_media_word(ifm_option_descriptions, type, str); 1746 if (option == -1) 1747 errx(1, "unknown %s media option: %s", 1748 get_media_type_string(type), str); 1749 rval |= IFM_OPTIONS(option); 1750 } 1751 1752 free(optlist); 1753 return (rval); 1754} 1755 1756int 1757lookup_media_word(desc, type, val) 1758 struct ifmedia_description *desc; 1759 int type; 1760 const char *val; 1761{ 1762 1763 for (; desc->ifmt_string != NULL; desc++) { 1764 if (IFM_TYPE_MATCH(desc->ifmt_word, type) && 1765 strcasecmp(desc->ifmt_string, val) == 0) 1766 return (desc->ifmt_word); 1767 } 1768 return (-1); 1769} 1770 1771void 1772print_media_word(ifmw, print_type, as_syntax) 1773 int ifmw, print_type, as_syntax; 1774{ 1775 struct ifmedia_description *desc; 1776 int seen_option = 0; 1777 1778 if (print_type) 1779 printf("%s ", get_media_type_string(ifmw)); 1780 printf("%s%s", as_syntax ? "media " : "", 1781 get_media_subtype_string(ifmw)); 1782 1783 /* Find options. */ 1784 for (desc = ifm_option_descriptions; desc->ifmt_string != NULL; 1785 desc++) { 1786 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && 1787 (ifmw & IFM_OPTIONS(desc->ifmt_word)) != 0 && 1788 (seen_option & IFM_OPTIONS(desc->ifmt_word)) == 0) { 1789 if (seen_option == 0) 1790 printf(" %s", as_syntax ? "mediaopt " : ""); 1791 printf("%s%s", seen_option ? "," : "", 1792 desc->ifmt_string); 1793 seen_option |= IFM_OPTIONS(desc->ifmt_word); 1794 } 1795 } 1796 if (IFM_INST(ifmw) != 0) 1797 printf(" instance %d", IFM_INST(ifmw)); 1798} 1799 1800int carrier() 1801{ 1802 struct ifmediareq ifmr; 1803 1804 (void) memset(&ifmr, 0, sizeof(ifmr)); 1805 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1806 1807 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1808 /* 1809 * Interface doesn't support SIOC{G,S}IFMEDIA; 1810 * assume ok. 1811 */ 1812 return 0; 1813 } 1814 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1815 /* 1816 * Interface doesn't report media-valid status. 1817 * assume ok. 1818 */ 1819 return 0; 1820 } 1821 /* otherwise, return ok for active, not-ok if not active. */ 1822 return !(ifmr.ifm_status & IFM_ACTIVE); 1823} 1824 1825 1826#define IFFBITS \ 1827"\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 1828\11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 1829 1830const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1831 1832const struct ifmedia_status_description ifm_status_descriptions[] = 1833 IFM_STATUS_DESCRIPTIONS; 1834 1835/* 1836 * Print the status of the interface. If an address family was 1837 * specified, show it and it only; otherwise, show them all. 1838 */ 1839void 1840status(ap, alen) 1841 const u_int8_t *ap; 1842 int alen; 1843{ 1844 struct afswtch *p = afp; 1845 struct ifmediareq ifmr; 1846 int *media_list, i; 1847 1848 printf("%s: ", name); 1849 printb("flags", flags, IFFBITS); 1850 if (metric) 1851 printf(" metric %d", metric); 1852 if (mtu) 1853 printf(" mtu %d", mtu); 1854 putchar('\n'); 1855 1856 ieee80211_status(); 1857 vlan_status(); 1858 tunnel_status(); 1859 1860 if (ap && alen > 0) { 1861 printf("\taddress:"); 1862 for (i = 0; i < alen; i++, ap++) 1863 printf("%c%02x", i > 0 ? ':' : ' ', *ap); 1864 putchar('\n'); 1865 } 1866 1867 (void) memset(&ifmr, 0, sizeof(ifmr)); 1868 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1869 1870 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1871 /* 1872 * Interface doesn't support SIOC{G,S}IFMEDIA. 1873 */ 1874 goto proto_status; 1875 } 1876 1877 if (ifmr.ifm_count == 0) { 1878 warnx("%s: no media types?", name); 1879 goto proto_status; 1880 } 1881 1882 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1883 if (media_list == NULL) 1884 err(1, "malloc"); 1885 ifmr.ifm_ulist = media_list; 1886 1887 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) 1888 err(1, "SIOCGIFMEDIA"); 1889 1890 printf("\tmedia: "); 1891 print_media_word(ifmr.ifm_current, 1, 0); 1892 if (ifmr.ifm_active != ifmr.ifm_current) { 1893 putchar(' '); 1894 putchar('('); 1895 print_media_word(ifmr.ifm_active, 0, 0); 1896 putchar(')'); 1897 } 1898 putchar('\n'); 1899 1900 if (ifmr.ifm_status & IFM_STATUS_VALID) { 1901 const struct ifmedia_status_description *ifms; 1902 int bitno, found = 0; 1903 1904 printf("\tstatus: "); 1905 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 1906 for (ifms = ifm_status_descriptions; 1907 ifms->ifms_valid != 0; ifms++) { 1908 if (ifms->ifms_type != 1909 IFM_TYPE(ifmr.ifm_current) || 1910 ifms->ifms_valid != 1911 ifm_status_valid_list[bitno]) 1912 continue; 1913 printf("%s%s", found ? ", " : "", 1914 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 1915 found = 1; 1916 1917 /* 1918 * For each valid indicator bit, there's 1919 * only one entry for each media type, so 1920 * terminate the inner loop now. 1921 */ 1922 break; 1923 } 1924 } 1925 1926 if (found == 0) 1927 printf("unknown"); 1928 putchar('\n'); 1929 } 1930 1931 if (mflag) { 1932 int type, printed_type; 1933 1934 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 1935 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 1936 if (IFM_TYPE(media_list[i]) == type) { 1937 if (printed_type == 0) { 1938 printf("\tsupported %s media:\n", 1939 get_media_type_string(type)); 1940 printed_type = 1; 1941 } 1942 printf("\t\t"); 1943 print_media_word(media_list[i], 0, 1); 1944 printf("\n"); 1945 } 1946 } 1947 } 1948 } 1949 1950 free(media_list); 1951 1952 proto_status: 1953 if ((p = afp) != NULL) { 1954 (*p->af_status)(1); 1955 } else for (p = afs; p->af_name; p++) { 1956 ifr.ifr_addr.sa_family = p->af_af; 1957 (*p->af_status)(0); 1958 } 1959} 1960 1961void 1962tunnel_status() 1963{ 1964 char psrcaddr[NI_MAXHOST]; 1965 char pdstaddr[NI_MAXHOST]; 1966 u_long srccmd, dstcmd; 1967 struct ifreq *ifrp; 1968 const char *ver = ""; 1969#ifdef NI_WITHSCOPEID 1970 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 1971#else 1972 const int niflag = NI_NUMERICHOST; 1973#endif 1974#ifdef INET6 1975 struct in6_ifreq in6_ifr; 1976 int s6; 1977#endif /* INET6 */ 1978 1979 psrcaddr[0] = pdstaddr[0] = '\0'; 1980 1981#ifdef INET6 1982 memset(&in6_ifr, 0, sizeof(in6_ifr)); 1983 strncpy(in6_ifr.ifr_name, name, IFNAMSIZ); 1984 s6 = socket(AF_INET6, SOCK_DGRAM, 0); 1985 if (s6 < 0) { 1986 srccmd = SIOCGIFPSRCADDR; 1987 dstcmd = SIOCGIFPDSTADDR; 1988 ifrp = 𝔦 1989 } else { 1990 close(s6); 1991 srccmd = SIOCGIFPSRCADDR_IN6; 1992 dstcmd = SIOCGIFPDSTADDR_IN6; 1993 ifrp = (struct ifreq *)&in6_ifr; 1994 } 1995 try_again: 1996#else /* INET6 */ 1997 srccmd = SIOCGIFPSRCADDR; 1998 dstcmd = SIOCGIFPDSTADDR; 1999 ifrp = 𝔦 2000#endif /* INET6 */ 2001 2002 if (ioctl(s, srccmd, (caddr_t)ifrp) < 0) { 2003#ifdef INET6 2004 if (srccmd == SIOCGIFPSRCADDR_IN6) { 2005 /* 2006 * Driver probably doesn't support IPv6 2007 * src/dst addrs. Use the sockaddr versions. 2008 */ 2009 srccmd = SIOCGIFPSRCADDR; 2010 dstcmd = SIOCGIFPDSTADDR; 2011 ifrp = 𝔦 2012 goto try_again; 2013 } 2014#endif 2015 return; 2016 } 2017#ifdef INET6 2018 if (ifrp->ifr_addr.sa_family == AF_INET6) 2019 in6_fillscopeid((struct sockaddr_in6 *)&ifrp->ifr_addr); 2020#endif 2021 getnameinfo(&ifrp->ifr_addr, ifrp->ifr_addr.sa_len, 2022 psrcaddr, sizeof(psrcaddr), 0, 0, niflag); 2023#ifdef INET6 2024 if (ifrp->ifr_addr.sa_family == AF_INET6) 2025 ver = "6"; 2026#endif 2027 2028 if (ioctl(s, dstcmd, (caddr_t)ifrp) < 0) 2029 return; 2030#ifdef INET6 2031 if (ifrp->ifr_addr.sa_family == AF_INET6) 2032 in6_fillscopeid((struct sockaddr_in6 *)&ifrp->ifr_addr); 2033#endif 2034 getnameinfo(&ifrp->ifr_addr, ifrp->ifr_addr.sa_len, 2035 pdstaddr, sizeof(pdstaddr), 0, 0, niflag); 2036 2037 printf("\ttunnel inet%s %s --> %s\n", ver, 2038 psrcaddr, pdstaddr); 2039} 2040 2041void 2042vlan_status() 2043{ 2044 struct vlanreq vlr; 2045 2046 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 2047 !isdigit(ifr.ifr_name[4])) 2048 return; 2049 2050 memset(&vlr, 0, sizeof(vlr)); 2051 ifr.ifr_data = (caddr_t)&vlr; 2052 2053 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 2054 return; 2055 2056 if (vlr.vlr_tag || vlr.vlr_parent[0] != '\0') 2057 printf("\tvlan: %d parent: %s\n", 2058 vlr.vlr_tag, vlr.vlr_parent[0] == '\0' ? 2059 "<none>" : vlr.vlr_parent); 2060} 2061 2062void 2063in_alias(creq) 2064 struct ifreq *creq; 2065{ 2066 struct sockaddr_in *sin; 2067 int alias; 2068 2069 if (lflag) 2070 return; 2071 2072 alias = 1; 2073 2074 /* Get the non-alias address for this interface. */ 2075 getsock(AF_INET); 2076 if (s < 0) { 2077 if (errno == EPROTONOSUPPORT) 2078 return; 2079 err(1, "socket"); 2080 } 2081 (void) memset(&ifr, 0, sizeof(ifr)); 2082 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2083 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 2084 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2085 return; 2086 } else 2087 warn("SIOCGIFADDR"); 2088 } 2089 /* If creq and ifr are the same address, this is not an alias. */ 2090 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 2091 sizeof(creq->ifr_addr)) == 0) 2092 alias = 0; 2093 /* we print aliases only with -A */ 2094 if (alias && !Aflag) 2095 return; 2096 (void) memset(&addreq, 0, sizeof(addreq)); 2097 (void) strncpy(addreq.ifra_name, name, sizeof(addreq.ifra_name)); 2098 addreq.ifra_addr = creq->ifr_addr; 2099 if (ioctl(s, SIOCGIFALIAS, (caddr_t)&addreq) < 0) { 2100 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2101 return; 2102 } else 2103 warn("SIOCGIFALIAS"); 2104 } 2105 2106 sin = (struct sockaddr_in *)&addreq.ifra_addr; 2107 printf("\tinet %s%s", alias ? "alias " : "", inet_ntoa(sin->sin_addr)); 2108 2109 if (flags & IFF_POINTOPOINT) { 2110 sin = (struct sockaddr_in *)&addreq.ifra_dstaddr; 2111 printf(" -> %s", inet_ntoa(sin->sin_addr)); 2112 } 2113 2114 sin = (struct sockaddr_in *)&addreq.ifra_mask; 2115 printf(" netmask 0x%x", ntohl(sin->sin_addr.s_addr)); 2116 2117 if (flags & IFF_BROADCAST) { 2118 sin = (struct sockaddr_in *)&addreq.ifra_broadaddr; 2119 printf(" broadcast %s", inet_ntoa(sin->sin_addr)); 2120 } 2121 printf("\n"); 2122} 2123 2124void 2125in_status(force) 2126 int force; 2127{ 2128#ifdef HAVE_IFADDRS_H 2129 struct ifaddrs *ifap, *ifa; 2130 struct ifreq ifr; 2131 2132 if (getifaddrs(&ifap) != 0) 2133 err(1, "getifaddrs"); 2134 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2135 if (strcmp(name, ifa->ifa_name) != 0) 2136 continue; 2137 if (ifa->ifa_addr->sa_family != AF_INET) 2138 continue; 2139 if (sizeof(ifr.ifr_addr) < ifa->ifa_addr->sa_len) 2140 continue; 2141 2142 memset(&ifr, 0, sizeof(ifr)); 2143 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 2144 memcpy(&ifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2145 in_alias(&ifr); 2146 } 2147 freeifaddrs(ifap); 2148#else 2149 char inbuf[8192]; 2150 struct ifconf ifc; 2151 struct ifreq *ifr; 2152 int i, siz; 2153 char ifrbuf[8192], *cp; 2154 2155 ifc.ifc_len = sizeof(inbuf); 2156 ifc.ifc_buf = inbuf; 2157 getsock(af); 2158 if (s < 0) 2159 err(1, "socket"); 2160 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 2161 err(1, "SIOCGIFCONF"); 2162 for (i = 0; i < ifc.ifc_len; ) { 2163 /* Copy the mininum ifreq into the buffer. */ 2164 cp = ((caddr_t)ifc.ifc_req + i); 2165 memcpy(ifrbuf, cp, sizeof(*ifr)); 2166 2167 /* Now compute the actual size of the ifreq. */ 2168 ifr = (struct ifreq *)ifrbuf; 2169 siz = ifr->ifr_addr.sa_len; 2170 if (siz < sizeof(ifr->ifr_addr)) 2171 siz = sizeof(ifr->ifr_addr); 2172 siz += sizeof(ifr->ifr_name); 2173 i += siz; 2174 2175 /* Now copy the whole thing. */ 2176 if (sizeof(ifrbuf) < siz) 2177 errx(1, "ifr too big"); 2178 memcpy(ifrbuf, cp, siz); 2179 2180 if (!strncmp(name, ifr->ifr_name, sizeof(ifr->ifr_name))) { 2181 if (ifr->ifr_addr.sa_family == AF_INET) 2182 in_alias(ifr); 2183 } 2184 } 2185#endif 2186} 2187 2188void 2189setifprefixlen(addr, d) 2190 const char *addr; 2191 int d; 2192{ 2193 if (*afp->af_getprefix) 2194 (*afp->af_getprefix)(addr, MASK); 2195 explicit_prefix = 1; 2196} 2197 2198#ifdef INET6 2199void 2200in6_fillscopeid(sin6) 2201 struct sockaddr_in6 *sin6; 2202{ 2203#if defined(__KAME__) && defined(KAME_SCOPEID) 2204 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 2205 sin6->sin6_scope_id = 2206 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 2207 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 2208 } 2209#endif 2210} 2211 2212/* XXX not really an alias */ 2213void 2214in6_alias(creq) 2215 struct in6_ifreq *creq; 2216{ 2217 struct sockaddr_in6 *sin6; 2218 char hbuf[NI_MAXHOST]; 2219 u_int32_t scopeid; 2220#ifdef NI_WITHSCOPEID 2221 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 2222#else 2223 const int niflag = NI_NUMERICHOST; 2224#endif 2225 2226 /* Get the non-alias address for this interface. */ 2227 getsock(AF_INET6); 2228 if (s < 0) { 2229 if (errno == EPROTONOSUPPORT) 2230 return; 2231 err(1, "socket"); 2232 } 2233 2234 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 2235 2236 in6_fillscopeid(sin6); 2237 scopeid = sin6->sin6_scope_id; 2238 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2239 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2240 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2241 printf("\tinet6 %s", hbuf); 2242 2243 if (flags & IFF_POINTOPOINT) { 2244 (void) memset(&ifr6, 0, sizeof(ifr6)); 2245 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2246 ifr6.ifr_addr = creq->ifr_addr; 2247 if (ioctl(s, SIOCGIFDSTADDR_IN6, (caddr_t)&ifr6) < 0) { 2248 if (errno != EADDRNOTAVAIL) 2249 warn("SIOCGIFDSTADDR_IN6"); 2250 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 2251 ifr6.ifr_addr.sin6_family = AF_INET6; 2252 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 2253 } 2254 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2255 in6_fillscopeid(sin6); 2256 hbuf[0] = '\0'; 2257 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2258 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2259 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2260 printf(" -> %s", hbuf); 2261 } 2262 2263 (void) memset(&ifr6, 0, sizeof(ifr6)); 2264 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2265 ifr6.ifr_addr = creq->ifr_addr; 2266 if (ioctl(s, SIOCGIFNETMASK_IN6, (caddr_t)&ifr6) < 0) { 2267 if (errno != EADDRNOTAVAIL) 2268 warn("SIOCGIFNETMASK_IN6"); 2269 } else { 2270 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2271 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 2272 sizeof(struct in6_addr))); 2273 } 2274 2275 (void) memset(&ifr6, 0, sizeof(ifr6)); 2276 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2277 ifr6.ifr_addr = creq->ifr_addr; 2278 if (ioctl(s, SIOCGIFAFLAG_IN6, (caddr_t)&ifr6) < 0) { 2279 if (errno != EADDRNOTAVAIL) 2280 warn("SIOCGIFAFLAG_IN6"); 2281 } else { 2282 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 2283 printf(" anycast"); 2284 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 2285 printf(" tentative"); 2286 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 2287 printf(" duplicated"); 2288 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 2289 printf(" detached"); 2290 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DEPRECATED) 2291 printf(" deprecated"); 2292 } 2293 2294 if (scopeid) 2295 printf(" scopeid 0x%x", scopeid); 2296 2297 if (Lflag) { 2298 struct in6_addrlifetime *lifetime; 2299 (void) memset(&ifr6, 0, sizeof(ifr6)); 2300 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2301 ifr6.ifr_addr = creq->ifr_addr; 2302 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 2303 if (ioctl(s, SIOCGIFALIFETIME_IN6, (caddr_t)&ifr6) < 0) { 2304 if (errno != EADDRNOTAVAIL) 2305 warn("SIOCGIFALIFETIME_IN6"); 2306 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 2307 time_t t = time(NULL); 2308 printf(" pltime "); 2309 if (lifetime->ia6t_preferred) { 2310 printf("%s", lifetime->ia6t_preferred < t 2311 ? "0" 2312 : sec2str(lifetime->ia6t_preferred - t)); 2313 } else 2314 printf("infty"); 2315 2316 printf(" vltime "); 2317 if (lifetime->ia6t_expire) { 2318 printf("%s", lifetime->ia6t_expire < t 2319 ? "0" 2320 : sec2str(lifetime->ia6t_expire - t)); 2321 } else 2322 printf("infty"); 2323 } 2324 } 2325 2326 printf("\n"); 2327} 2328 2329void 2330in6_status(force) 2331 int force; 2332{ 2333#ifdef HAVE_IFADDRS_H 2334 struct ifaddrs *ifap, *ifa; 2335 struct in6_ifreq ifr; 2336 2337 if (getifaddrs(&ifap) != 0) 2338 err(1, "getifaddrs"); 2339 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2340 if (strcmp(name, ifa->ifa_name) != 0) 2341 continue; 2342 if (ifa->ifa_addr->sa_family != AF_INET6) 2343 continue; 2344 if (sizeof(ifr.ifr_addr) < ifa->ifa_addr->sa_len) 2345 continue; 2346 2347 memset(&ifr, 0, sizeof(ifr)); 2348 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 2349 memcpy(&ifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2350 in6_alias(&ifr); 2351 } 2352 freeifaddrs(ifap); 2353#else 2354 char inbuf[8192]; 2355 struct ifconf ifc; 2356 struct ifreq *ifr; 2357 int i, siz; 2358 char ifrbuf[8192], *cp; 2359 2360 ifc.ifc_len = sizeof(inbuf); 2361 ifc.ifc_buf = inbuf; 2362 getsock(af); 2363 if (s < 0) 2364 err(1, "socket"); 2365 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 2366 err(1, "SIOCGIFCONF"); 2367 for (i = 0; i < ifc.ifc_len; ) { 2368 /* Copy the mininum ifreq into the buffer. */ 2369 cp = ((caddr_t)ifc.ifc_req + i); 2370 memcpy(ifrbuf, cp, sizeof(*ifr)); 2371 2372 /* Now compute the actual size of the ifreq. */ 2373 ifr = (struct ifreq *)ifrbuf; 2374 siz = ifr->ifr_addr.sa_len; 2375 if (siz < sizeof(ifr->ifr_addr)) 2376 siz = sizeof(ifr->ifr_addr); 2377 siz += sizeof(ifr->ifr_name); 2378 i += siz; 2379 2380 /* Now copy the whole thing. */ 2381 if (sizeof(ifrbuf) < siz) 2382 errx(1, "ifr too big"); 2383 memcpy(ifrbuf, cp, siz); 2384 2385 if (!strncmp(name, ifr->ifr_name, sizeof(ifr->ifr_name))) { 2386 if (ifr->ifr_addr.sa_family == AF_INET6) 2387 in6_alias((struct in6_ifreq *)ifr); 2388 } 2389 } 2390#endif 2391} 2392#endif /*INET6*/ 2393 2394#ifndef INET_ONLY 2395 2396void 2397at_status(force) 2398 int force; 2399{ 2400 struct sockaddr_at *sat, null_sat; 2401 struct netrange *nr; 2402 2403 getsock(AF_APPLETALK); 2404 if (s < 0) { 2405 if (errno == EPROTONOSUPPORT) 2406 return; 2407 err(1, "socket"); 2408 } 2409 (void) memset(&ifr, 0, sizeof(ifr)); 2410 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2411 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 2412 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2413 if (!force) 2414 return; 2415 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2416 } else 2417 warn("SIOCGIFADDR"); 2418 } 2419 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2420 sat = (struct sockaddr_at *)&ifr.ifr_addr; 2421 2422 (void) memset(&null_sat, 0, sizeof(null_sat)); 2423 2424 nr = (struct netrange *) &sat->sat_zero; 2425 printf("\tatalk %d.%d range %d-%d phase %d", 2426 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2427 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 2428 if (flags & IFF_POINTOPOINT) { 2429 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 2430 if (errno == EADDRNOTAVAIL) 2431 (void) memset(&ifr.ifr_addr, 0, 2432 sizeof(ifr.ifr_addr)); 2433 else 2434 warn("SIOCGIFDSTADDR"); 2435 } 2436 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2437 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 2438 if (!sat) 2439 sat = &null_sat; 2440 printf("--> %d.%d", 2441 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 2442 } 2443 if (flags & IFF_BROADCAST) { 2444 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 2445 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 2446 if (sat) 2447 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 2448 sat->sat_addr.s_node); 2449 } 2450 putchar('\n'); 2451} 2452 2453void 2454xns_status(force) 2455 int force; 2456{ 2457 struct sockaddr_ns *sns; 2458 2459 getsock(AF_NS); 2460 if (s < 0) { 2461 if (errno == EPROTONOSUPPORT) 2462 return; 2463 err(1, "socket"); 2464 } 2465 (void) memset(&ifr, 0, sizeof(ifr)); 2466 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2467 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 2468 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2469 if (!force) 2470 return; 2471 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2472 } else 2473 warn("SIOCGIFADDR"); 2474 } 2475 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2476 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 2477 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 2478 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 2479 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 2480 if (errno == EADDRNOTAVAIL) 2481 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2482 else 2483 warn("SIOCGIFDSTADDR"); 2484 } 2485 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2486 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 2487 printf("--> %s ", ns_ntoa(sns->sns_addr)); 2488 } 2489 putchar('\n'); 2490} 2491 2492void 2493iso_status(force) 2494 int force; 2495{ 2496 struct sockaddr_iso *siso; 2497 struct iso_ifreq ifr; 2498 2499 getsock(AF_ISO); 2500 if (s < 0) { 2501 if (errno == EPROTONOSUPPORT) 2502 return; 2503 err(1, "socket"); 2504 } 2505 (void) memset(&ifr, 0, sizeof(ifr)); 2506 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2507 if (ioctl(s, SIOCGIFADDR_ISO, (caddr_t)&ifr) < 0) { 2508 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2509 if (!force) 2510 return; 2511 (void) memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2512 } else 2513 warn("SIOCGIFADDR_ISO"); 2514 } 2515 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2516 siso = &ifr.ifr_Addr; 2517 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 2518 if (ioctl(s, SIOCGIFNETMASK_ISO, (caddr_t)&ifr) < 0) { 2519 if (errno == EADDRNOTAVAIL) 2520 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2521 else 2522 warn("SIOCGIFNETMASK_ISO"); 2523 } else { 2524 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 2525 siso->siso_addr.isoa_len = siso->siso_len 2526 - offsetof(struct sockaddr_iso, siso_addr); 2527 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 2528 } 2529 if (flags & IFF_POINTOPOINT) { 2530 if (ioctl(s, SIOCGIFDSTADDR_ISO, (caddr_t)&ifr) < 0) { 2531 if (errno == EADDRNOTAVAIL) 2532 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2533 else 2534 warn("SIOCGIFDSTADDR_ISO"); 2535 } 2536 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2537 siso = &ifr.ifr_Addr; 2538 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 2539 } 2540 putchar('\n'); 2541} 2542 2543#endif /* INET_ONLY */ 2544 2545#define SIN(x) ((struct sockaddr_in *) &(x)) 2546struct sockaddr_in *sintab[] = { 2547SIN(ridreq.ifr_addr), SIN(addreq.ifra_addr), 2548SIN(addreq.ifra_mask), SIN(addreq.ifra_broadaddr)}; 2549 2550void 2551in_getaddr(s, which) 2552 const char *s; 2553 int which; 2554{ 2555 struct sockaddr_in *sin = sintab[which]; 2556 struct hostent *hp; 2557 struct netent *np; 2558 2559 sin->sin_len = sizeof(*sin); 2560 if (which != MASK) 2561 sin->sin_family = AF_INET; 2562 2563 if (which == ADDR) { 2564 char *p = NULL; 2565 2566 if((p = strrchr(s, '/')) != NULL) { 2567 /* address is `name/masklen' */ 2568 int masklen; 2569 int ret; 2570 struct sockaddr_in *min = sintab[MASK]; 2571 *p = '\0'; 2572 ret = sscanf(p+1, "%u", &masklen); 2573 if(ret != 1 || (masklen < 0 || masklen > 32)) { 2574 *p = '/'; 2575 errx(1, "%s: bad value", s); 2576 } 2577 min->sin_len = sizeof(*min); 2578 min->sin_addr.s_addr = 2579 htonl(~((1LL << (32 - masklen)) - 1) & 2580 0xffffffff); 2581 } 2582 } 2583 2584 if (inet_aton(s, &sin->sin_addr) == 0) { 2585 if ((hp = gethostbyname(s)) != NULL) 2586 (void) memcpy(&sin->sin_addr, hp->h_addr, hp->h_length); 2587 else if ((np = getnetbyname(s)) != NULL) 2588 sin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 2589 else 2590 errx(1, "%s: bad value", s); 2591 } 2592} 2593 2594/* 2595 * Print a value a la the %b format of the kernel's printf 2596 */ 2597void 2598printb(s, v, bits) 2599 const char *s; 2600 unsigned short v; 2601 const char *bits; 2602{ 2603 int i, any = 0; 2604 char c; 2605 2606 if (bits && *bits == 8) 2607 printf("%s=%o", s, v); 2608 else 2609 printf("%s=%x", s, v); 2610 bits++; 2611 if (bits) { 2612 putchar('<'); 2613 while ((i = *bits++) != 0) { 2614 if (v & (1 << (i-1))) { 2615 if (any) 2616 putchar(','); 2617 any = 1; 2618 for (; (c = *bits) > 32; bits++) 2619 putchar(c); 2620 } else 2621 for (; *bits > 32; bits++) 2622 ; 2623 } 2624 putchar('>'); 2625 } 2626} 2627 2628#ifdef INET6 2629#define SIN6(x) ((struct sockaddr_in6 *) &(x)) 2630struct sockaddr_in6 *sin6tab[] = { 2631SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 2632SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 2633 2634void 2635in6_getaddr(s, which) 2636 const char *s; 2637 int which; 2638{ 2639#if defined(__KAME__) && defined(KAME_SCOPEID) 2640 struct sockaddr_in6 *sin6 = sin6tab[which]; 2641 struct addrinfo hints, *res; 2642 int error; 2643 2644 memset(&hints, 0, sizeof(hints)); 2645 hints.ai_family = AF_INET6; 2646 hints.ai_socktype = SOCK_DGRAM; 2647#if 0 /* in_getaddr() allows FQDN */ 2648 hints.ai_flags = AI_NUMERICHOST; 2649#endif 2650 error = getaddrinfo(s, "0", &hints, &res); 2651 if (error) 2652 errx(1, "%s: %s", s, gai_strerror(error)); 2653 if (res->ai_next) 2654 errx(1, "%s: resolved to multiple hosts", s); 2655 if (res->ai_addrlen != sizeof(struct sockaddr_in6)) 2656 errx(1, "%s: bad value", s); 2657 memcpy(sin6, res->ai_addr, res->ai_addrlen); 2658 freeaddrinfo(res); 2659 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) { 2660 *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = 2661 htons(sin6->sin6_scope_id); 2662 sin6->sin6_scope_id = 0; 2663 } 2664#else 2665 struct sockaddr_in6 *sin = sin6tab[which]; 2666 2667 sin->sin6_len = sizeof(*sin); 2668 if (which != MASK) 2669 sin->sin6_family = AF_INET6; 2670 2671 if (which == ADDR) { 2672 char *p = NULL; 2673 if((p = strrchr(s, '/')) != NULL) { 2674 *p = '\0'; 2675 in6_getprefix(p + 1, MASK); 2676 explicit_prefix = 1; 2677 } 2678 } 2679 2680 if (inet_pton(AF_INET6, s, &sin->sin6_addr) != 1) 2681 errx(1, "%s: bad value", s); 2682#endif 2683} 2684 2685void 2686in6_getprefix(plen, which) 2687 const char *plen; 2688 int which; 2689{ 2690 register struct sockaddr_in6 *sin = sin6tab[which]; 2691 register u_char *cp; 2692 int len = strtol(plen, (char **)NULL, 10); 2693 2694 if ((len < 0) || (len > 128)) 2695 errx(1, "%s: bad value", plen); 2696 sin->sin6_len = sizeof(*sin); 2697 if (which != MASK) 2698 sin->sin6_family = AF_INET6; 2699 if ((len == 0) || (len == 128)) { 2700 memset(&sin->sin6_addr, 0xff, sizeof(struct in6_addr)); 2701 return; 2702 } 2703 memset((void *)&sin->sin6_addr, 0x00, sizeof(sin->sin6_addr)); 2704 for (cp = (u_char *)&sin->sin6_addr; len > 7; len -= 8) 2705 *cp++ = 0xff; 2706 *cp = 0xff << (8 - len); 2707} 2708 2709int 2710prefix(val, size) 2711 void *val; 2712 int size; 2713{ 2714 register u_char *name = (u_char *)val; 2715 register int byte, bit, plen = 0; 2716 2717 for (byte = 0; byte < size; byte++, plen += 8) 2718 if (name[byte] != 0xff) 2719 break; 2720 if (byte == size) 2721 return (plen); 2722 for (bit = 7; bit != 0; bit--, plen++) 2723 if (!(name[byte] & (1 << bit))) 2724 break; 2725 for (; bit != 0; bit--) 2726 if (name[byte] & (1 << bit)) 2727 return(0); 2728 byte++; 2729 for (; byte < size; byte++) 2730 if (name[byte]) 2731 return(0); 2732 return (plen); 2733} 2734#endif /*INET6*/ 2735 2736#ifndef INET_ONLY 2737void 2738at_getaddr(addr, which) 2739 const char *addr; 2740 int which; 2741{ 2742 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 2743 u_int net, node; 2744 2745 sat->sat_family = AF_APPLETALK; 2746 sat->sat_len = sizeof(*sat); 2747 if (which == MASK) 2748 errx(1, "AppleTalk does not use netmasks\n"); 2749 if (sscanf(addr, "%u.%u", &net, &node) != 2 2750 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 2751 errx(1, "%s: illegal address", addr); 2752 sat->sat_addr.s_net = htons(net); 2753 sat->sat_addr.s_node = node; 2754} 2755 2756void 2757setatrange(range, d) 2758 const char *range; 2759 int d; 2760{ 2761 u_short first = 123, last = 123; 2762 2763 if (sscanf(range, "%hu-%hu", &first, &last) != 2 2764 || first == 0 || first > 0xffff 2765 || last == 0 || last > 0xffff || first > last) 2766 errx(1, "%s: illegal net range: %u-%u", range, first, last); 2767 at_nr.nr_firstnet = htons(first); 2768 at_nr.nr_lastnet = htons(last); 2769} 2770 2771void 2772setatphase(phase, d) 2773 const char *phase; 2774 int d; 2775{ 2776 if (!strcmp(phase, "1")) 2777 at_nr.nr_phase = 1; 2778 else if (!strcmp(phase, "2")) 2779 at_nr.nr_phase = 2; 2780 else 2781 errx(1, "%s: illegal phase", phase); 2782} 2783 2784void 2785checkatrange(sat) 2786 struct sockaddr_at *sat; 2787{ 2788 if (at_nr.nr_phase == 0) 2789 at_nr.nr_phase = 2; /* Default phase 2 */ 2790 if (at_nr.nr_firstnet == 0) 2791 at_nr.nr_firstnet = /* Default range of one */ 2792 at_nr.nr_lastnet = sat->sat_addr.s_net; 2793 printf("\tatalk %d.%d range %d-%d phase %d\n", 2794 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2795 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 2796 if ((u_short) ntohs(at_nr.nr_firstnet) > 2797 (u_short) ntohs(sat->sat_addr.s_net) 2798 || (u_short) ntohs(at_nr.nr_lastnet) < 2799 (u_short) ntohs(sat->sat_addr.s_net)) 2800 errx(1, "AppleTalk address is not in range"); 2801 *((struct netrange *) &sat->sat_zero) = at_nr; 2802} 2803 2804#define SNS(x) ((struct sockaddr_ns *) &(x)) 2805struct sockaddr_ns *snstab[] = { 2806SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 2807SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 2808 2809void 2810xns_getaddr(addr, which) 2811 const char *addr; 2812 int which; 2813{ 2814 struct sockaddr_ns *sns = snstab[which]; 2815 2816 sns->sns_family = AF_NS; 2817 sns->sns_len = sizeof(*sns); 2818 sns->sns_addr = ns_addr(addr); 2819 if (which == MASK) 2820 puts("Attempt to set XNS netmask will be ineffectual"); 2821} 2822 2823#define SISO(x) ((struct sockaddr_iso *) &(x)) 2824struct sockaddr_iso *sisotab[] = { 2825SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 2826SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 2827 2828void 2829iso_getaddr(addr, which) 2830 const char *addr; 2831 int which; 2832{ 2833 struct sockaddr_iso *siso = sisotab[which]; 2834 siso->siso_addr = *iso_addr(addr); 2835 2836 if (which == MASK) { 2837 siso->siso_len = TSEL(siso) - (caddr_t)(siso); 2838 siso->siso_nlen = 0; 2839 } else { 2840 siso->siso_len = sizeof(*siso); 2841 siso->siso_family = AF_ISO; 2842 } 2843} 2844 2845void 2846setsnpaoffset(val, d) 2847 const char *val; 2848 int d; 2849{ 2850 iso_addreq.ifra_snpaoffset = atoi(val); 2851} 2852 2853void 2854setnsellength(val, d) 2855 const char *val; 2856 int d; 2857{ 2858 nsellength = atoi(val); 2859 if (nsellength < 0) 2860 errx(1, "Negative NSEL length is absurd"); 2861 if (afp == 0 || afp->af_af != AF_ISO) 2862 errx(1, "Setting NSEL length valid only for iso"); 2863} 2864 2865void 2866fixnsel(s) 2867 struct sockaddr_iso *s; 2868{ 2869 if (s->siso_family == 0) 2870 return; 2871 s->siso_tlen = nsellength; 2872} 2873 2874void 2875adjust_nsellength() 2876{ 2877 fixnsel(sisotab[RIDADDR]); 2878 fixnsel(sisotab[ADDR]); 2879 fixnsel(sisotab[DSTADDR]); 2880} 2881 2882#endif /* INET_ONLY */ 2883 2884void 2885usage() 2886{ 2887 extern const char *__progname; 2888 2889 fprintf(stderr, 2890 "usage: %s [ -m ] [ -A ] " 2891#ifdef INET6 2892 "[ -L ] " 2893#endif 2894 "interface\n" 2895 "\t[ af [ address [ dest_addr ] ] [ up ] [ down ] " 2896 "[ netmask mask ] ]\n" 2897 "\t[ metric n ] [ mtu n ]\n" 2898 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n" 2899 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n" 2900 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n" 2901 "\t[ arp | -arp ]\n" 2902 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] " 2903 "[ instance minst ]\n" 2904 "\t[ vlan n vlanif i ]\n" 2905 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" 2906 " %s -a [ -A ] [ -m ] [ -d ] [ -u ] [ af ]\n" 2907 " %s -l [ -d ] [ -u ]\n" 2908 " %s interface create\n" 2909 " %s interface destroy\n", 2910 __progname, __progname, __progname, __progname, __progname); 2911 exit(1); 2912} 2913 2914#ifdef INET6 2915char * 2916sec2str(total) 2917 time_t total; 2918{ 2919 static char result[256]; 2920 int days, hours, mins, secs; 2921 int first = 1; 2922 char *p = result; 2923 2924 if (0) { /*XXX*/ 2925 days = total / 3600 / 24; 2926 hours = (total / 3600) % 24; 2927 mins = (total / 60) % 60; 2928 secs = total % 60; 2929 2930 if (days) { 2931 first = 0; 2932 p += sprintf(p, "%dd", days); 2933 } 2934 if (!first || hours) { 2935 first = 0; 2936 p += sprintf(p, "%dh", hours); 2937 } 2938 if (!first || mins) { 2939 first = 0; 2940 p += sprintf(p, "%dm", mins); 2941 } 2942 sprintf(p, "%ds", secs); 2943 } else 2944 sprintf(p, "%lu", (u_long)total); 2945 2946 return(result); 2947} 2948#endif 2949