ifconfig.c revision 1.97
1/* $NetBSD: ifconfig.c,v 1.97 2001/01/24 18:06:51 garbled 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 1.97 2001/01/24 18:06:51 garbled 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)); 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 Aflag = 1; 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 || Aflag || 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(); 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 status(NULL, 0); 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() 696{ 697#ifdef HAVE_IFADDRS_H 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 (ifa->ifa_addr->sa_family == AF_LINK) 717 sdl = (const struct sockaddr_dl *) ifa->ifa_addr; 718 if (p && strcmp(p, ifa->ifa_name) == 0) 719 continue; 720 (void) strncpy(name, ifa->ifa_name, sizeof(name)); 721 name[sizeof(name) - 1] = '\0'; 722 p = ifa->ifa_name; 723 724 if (getinfo(&ifr) < 0) 725 continue; 726 if (bflag && (ifa->ifa_flags & (IFF_POINTOPOINT|IFF_LOOPBACK))) 727 continue; 728 if (dflag && (ifa->ifa_flags & IFF_UP) != 0) 729 continue; 730 if (uflag && (ifa->ifa_flags & IFF_UP) == 0) 731 continue; 732 733 if (sflag && carrier()) 734 continue; 735 idx++; 736 /* 737 * Are we just listing the interfaces? 738 */ 739 if (lflag) { 740 if (idx > 1) 741 putchar(' '); 742 fputs(name, stdout); 743 continue; 744 } 745 746 if (sdl == NULL) { 747 status(NULL, 0); 748 } else { 749 status(LLADDR(sdl), sdl->sdl_alen); 750 sdl = NULL; 751 } 752 } 753 if (lflag) 754 putchar('\n'); 755 freeifaddrs(ifap); 756#else 757 char inbuf[8192]; 758 const struct sockaddr_dl *sdl = NULL; 759 struct ifconf ifc; 760 struct ifreq ifreq, *ifr; 761 int i, siz, idx; 762 char ifrbuf[8192], *cp; 763 764 ifc.ifc_len = sizeof(inbuf); 765 ifc.ifc_buf = inbuf; 766 getsock(af); 767 if (s < 0) 768 err(1, "socket"); 769 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 770 err(1, "SIOCGIFCONF"); 771 ifreq.ifr_name[0] = '\0'; 772 for (i = 0, idx = 0; i < ifc.ifc_len; ) { 773 /* Copy the mininum ifreq into the buffer. */ 774 cp = ((caddr_t)ifc.ifc_req + i); 775 memcpy(ifrbuf, cp, sizeof(*ifr)); 776 777 /* Now compute the actual size of the ifreq. */ 778 ifr = (struct ifreq *)ifrbuf; 779 siz = ifr->ifr_addr.sa_len; 780 if (siz < sizeof(ifr->ifr_addr)) 781 siz = sizeof(ifr->ifr_addr); 782 siz += sizeof(ifr->ifr_name); 783 i += siz; 784 785 /* Now copy the whole thing. */ 786 if (sizeof(ifrbuf) < siz) 787 errx(1, "ifr too big"); 788 memcpy(ifrbuf, cp, siz); 789 790 if (ifr->ifr_addr.sa_family == AF_LINK) 791 sdl = (const struct sockaddr_dl *) &ifr->ifr_addr; 792 if (!strncmp(ifreq.ifr_name, ifr->ifr_name, 793 sizeof(ifr->ifr_name))) 794 continue; 795 (void) strncpy(name, ifr->ifr_name, sizeof(ifr->ifr_name)); 796 ifreq = *ifr; 797 798 if (getinfo(&ifreq) < 0) 799 continue; 800 if (bflag && (flags & (IFF_POINTOPOINT|IFF_LOOPBACK))) 801 continue; 802 if (dflag && (flags & IFF_UP) != 0) 803 continue; 804 if (uflag && (flags & IFF_UP) == 0) 805 continue; 806 807 if (sflag && carrier()) 808 continue; 809 idx++; 810 /* 811 * Are we just listing the interfaces? 812 */ 813 if (lflag) { 814 if (idx > 1) 815 putchar(' '); 816 fputs(name, stdout); 817 continue; 818 } 819 820 if (sdl == NULL) { 821 status(NULL, 0); 822 } else { 823 status(LLADDR(sdl), sdl->sdl_alen); 824 sdl = NULL; 825 } 826 } 827 if (lflag) 828 putchar('\n'); 829#endif 830} 831 832void 833list_cloners(void) 834{ 835 struct if_clonereq ifcr; 836 char *cp, *buf; 837 int idx; 838 839 memset(&ifcr, 0, sizeof(ifcr)); 840 841 getsock(AF_INET); 842 843 if (ioctl(s, SIOCIFGCLONERS, &ifcr) < 0) 844 err(1, "SIOCIFGCLONERS for count"); 845 846 buf = malloc(ifcr.ifcr_total * IFNAMSIZ); 847 if (buf == NULL) 848 err(1, "unable to allocate cloner name buffer"); 849 850 ifcr.ifcr_count = ifcr.ifcr_total; 851 ifcr.ifcr_buffer = buf; 852 853 if (ioctl(s, SIOCIFGCLONERS, &ifcr) < 0) 854 err(1, "SIOCIFGCLONERS for names"); 855 856 /* 857 * In case some disappeared in the mean time, clamp it down. 858 */ 859 if (ifcr.ifcr_count > ifcr.ifcr_total) 860 ifcr.ifcr_count = ifcr.ifcr_total; 861 862 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) { 863 if (idx > 0) 864 putchar(' '); 865 printf("%s", cp); 866 } 867 868 putchar('\n'); 869 free(buf); 870 return; 871} 872 873/*ARGSUSED*/ 874void 875clone_create(addr, param) 876 const char *addr; 877 int param; 878{ 879 880 /* We're called early... */ 881 getsock(AF_INET); 882 883 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 884 if (ioctl(s, SIOCIFCREATE, &ifr) < 0) 885 err(1, "SIOCIFCREATE"); 886} 887 888/*ARGSUSED*/ 889void 890clone_destroy(addr, param) 891 const char *addr; 892 int param; 893{ 894 895 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 896 if (ioctl(s, SIOCIFDESTROY, &ifr) < 0) 897 err(1, "SIOCIFDESTROY"); 898} 899 900#define RIDADDR 0 901#define ADDR 1 902#define MASK 2 903#define DSTADDR 3 904 905/*ARGSUSED*/ 906void 907setifaddr(addr, param) 908 const char *addr; 909 int param; 910{ 911 struct ifreq *ifr; /* XXX */ 912 913 /* 914 * Delay the ioctl to set the interface addr until flags are all set. 915 * The address interpretation may depend on the flags, 916 * and the flags may change when the address is set. 917 */ 918 setaddr++; 919 if (newaddr == -1) 920 newaddr = 1; 921 if (doalias == 0 && afp->af_gifaddr != 0) { 922 ifr = (struct ifreq *)afp->af_ridreq; 923 (void) strncpy(ifr->ifr_name, name, sizeof(ifr->ifr_name)); 924 ifr->ifr_addr.sa_family = afp->af_af; 925 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0) 926 clearaddr = 1; 927 else if (errno == EADDRNOTAVAIL) 928 /* No address was assigned yet. */ 929 ; 930 else 931 err(1, "SIOCGIFADDR"); 932 } 933 934 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 935} 936 937void 938settunnel(src, dst) 939 const char *src, *dst; 940{ 941 struct addrinfo hints, *srcres, *dstres; 942 struct ifaliasreq addreq; 943 int ecode; 944#ifdef INET6 945 struct in6_aliasreq in6_addreq; 946#endif 947 948 memset(&hints, 0, sizeof(hints)); 949 hints.ai_family = afp->af_af; 950 951 if ((ecode = getaddrinfo(src, NULL, NULL, &srcres)) != 0) 952 errx(1, "error in parsing address string: %s", 953 gai_strerror(ecode)); 954 955 if ((ecode = getaddrinfo(dst, NULL, NULL, &dstres)) != 0) 956 errx(1, "error in parsing address string: %s", 957 gai_strerror(ecode)); 958 959 if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family) 960 errx(1, 961 "source and destination address families do not match"); 962 963 switch (srcres->ai_addr->sa_family) { 964 case AF_INET: 965 memset(&addreq, 0, sizeof(addreq)); 966 strncpy(addreq.ifra_name, name, IFNAMSIZ); 967 memcpy(&addreq.ifra_addr, srcres->ai_addr, 968 srcres->ai_addr->sa_len); 969 memcpy(&addreq.ifra_dstaddr, dstres->ai_addr, 970 dstres->ai_addr->sa_len); 971 972 if (ioctl(s, SIOCSIFPHYADDR, &addreq) < 0) 973 warn("SIOCSIFPHYADDR"); 974 break; 975 976#ifdef INET6 977 case AF_INET6: 978 memset(&in6_addreq, 0, sizeof(in6_addreq)); 979 strncpy(in6_addreq.ifra_name, name, IFNAMSIZ); 980 memcpy(&in6_addreq.ifra_addr, srcres->ai_addr, 981 srcres->ai_addr->sa_len); 982 memcpy(&in6_addreq.ifra_dstaddr, dstres->ai_addr, 983 dstres->ai_addr->sa_len); 984 985 if (ioctl(s, SIOCSIFPHYADDR_IN6, &in6_addreq) < 0) 986 warn("SIOCSIFPHYADDR_IN6"); 987 break; 988#endif /* INET6 */ 989 990 default: 991 warn("address family not supported"); 992 } 993 994 freeaddrinfo(srcres); 995 freeaddrinfo(dstres); 996} 997 998/* ARGSUSED */ 999void 1000deletetunnel(vname, param) 1001 const char *vname; 1002 int param; 1003{ 1004 1005 if (ioctl(s, SIOCDIFPHYADDR, &ifr) < 0) 1006 err(1, "SIOCDIFPHYADDR"); 1007} 1008 1009void setvlan(val, d) 1010 const char *val; 1011 int d; 1012{ 1013 struct vlanreq vlr; 1014 1015 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1016 !isdigit(ifr.ifr_name[4])) 1017 errx(EXIT_FAILURE, 1018 "``vlan'' valid only with vlan(4) interfaces"); 1019 1020 vlan_tag = atoi(val); 1021 1022 memset(&vlr, 0, sizeof(vlr)); 1023 ifr.ifr_data = (caddr_t)&vlr; 1024 1025 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1026 err(EXIT_FAILURE, "SIOCGETVLAN"); 1027 1028 vlr.vlr_tag = vlan_tag; 1029 1030 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1031 err(EXIT_FAILURE, "SIOCSETVLAN"); 1032} 1033 1034void setvlanif(val, d) 1035 const char *val; 1036 int d; 1037{ 1038 struct vlanreq vlr; 1039 1040 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1041 !isdigit(ifr.ifr_name[4])) 1042 errx(EXIT_FAILURE, 1043 "``vlanif'' valid only with vlan(4) interfaces"); 1044 1045 if (vlan_tag == (u_int)-1) 1046 errx(EXIT_FAILURE, 1047 "must specify both ``vlan'' and ``vlanif''"); 1048 1049 memset(&vlr, 0, sizeof(vlr)); 1050 ifr.ifr_data = (caddr_t)&vlr; 1051 1052 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1053 err(EXIT_FAILURE, "SIOCGETVLAN"); 1054 1055 strlcpy(vlr.vlr_parent, val, sizeof(vlr.vlr_parent)); 1056 vlr.vlr_tag = vlan_tag; 1057 1058 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1059 err(EXIT_FAILURE, "SIOCSETVLAN"); 1060} 1061 1062void unsetvlanif(val, d) 1063 const char *val; 1064 int d; 1065{ 1066 struct vlanreq vlr; 1067 1068 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1069 !isdigit(ifr.ifr_name[4])) 1070 errx(EXIT_FAILURE, 1071 "``vlanif'' valid only with vlan(4) interfaces"); 1072 1073 memset(&vlr, 0, sizeof(vlr)); 1074 ifr.ifr_data = (caddr_t)&vlr; 1075 1076 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1077 err(EXIT_FAILURE, "SIOCGETVLAN"); 1078 1079 vlr.vlr_parent[0] = '\0'; 1080 vlr.vlr_tag = 0; 1081 1082 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1083 err(EXIT_FAILURE, "SIOCSETVLAN"); 1084} 1085 1086void 1087setifnetmask(addr, d) 1088 const char *addr; 1089 int d; 1090{ 1091 (*afp->af_getaddr)(addr, MASK); 1092} 1093 1094void 1095setifbroadaddr(addr, d) 1096 const char *addr; 1097 int d; 1098{ 1099 (*afp->af_getaddr)(addr, DSTADDR); 1100} 1101 1102void 1103setifipdst(addr, d) 1104 const char *addr; 1105 int d; 1106{ 1107 in_getaddr(addr, DSTADDR); 1108 setipdst++; 1109 clearaddr = 0; 1110 newaddr = 0; 1111} 1112 1113#define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 1114/*ARGSUSED*/ 1115void 1116notealias(addr, param) 1117 const char *addr; 1118 int param; 1119{ 1120 if (setaddr && doalias == 0 && param < 0) 1121 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 1122 rqtosa(af_addreq)->sa_len); 1123 doalias = param; 1124 if (param < 0) { 1125 clearaddr = 1; 1126 newaddr = 0; 1127 } else 1128 clearaddr = 0; 1129} 1130 1131/*ARGSUSED*/ 1132void 1133notrailers(vname, value) 1134 const char *vname; 1135 int value; 1136{ 1137 puts("Note: trailers are no longer sent, but always received"); 1138} 1139 1140/*ARGSUSED*/ 1141void 1142setifdstaddr(addr, param) 1143 const char *addr; 1144 int param; 1145{ 1146 (*afp->af_getaddr)(addr, DSTADDR); 1147} 1148 1149void 1150setifflags(vname, value) 1151 const char *vname; 1152 int value; 1153{ 1154 struct ifreq ifreq; 1155 1156 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 1157 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifreq) < 0) 1158 err(1, "SIOCGIFFLAGS"); 1159 flags = ifreq.ifr_flags; 1160 1161 if (value < 0) { 1162 value = -value; 1163 flags &= ~value; 1164 } else 1165 flags |= value; 1166 ifreq.ifr_flags = flags; 1167 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) < 0) 1168 err(1, "SIOCSIFFLAGS"); 1169 1170 reset_if_flags = 1; 1171} 1172 1173#ifdef INET6 1174void 1175setia6flags(vname, value) 1176 const char *vname; 1177 int value; 1178{ 1179 if (value < 0) { 1180 value = -value; 1181 in6_addreq.ifra_flags &= ~value; 1182 } else 1183 in6_addreq.ifra_flags |= value; 1184} 1185 1186void 1187setia6pltime(val, d) 1188 const char *val; 1189 int d; 1190{ 1191 setia6lifetime("pltime", val); 1192} 1193 1194void 1195setia6vltime(val, d) 1196 const char *val; 1197 int d; 1198{ 1199 setia6lifetime("vltime", val); 1200} 1201 1202void 1203setia6lifetime(cmd, val) 1204 const char *cmd; 1205 const char *val; 1206{ 1207 time_t newval, t; 1208 char *ep; 1209 1210 t = time(NULL); 1211 newval = (time_t)strtoul(val, &ep, 0); 1212 if (val == ep) 1213 errx(1, "invalid %s", cmd); 1214 if (afp->af_af != AF_INET6) 1215 errx(1, "%s not allowed for the AF", cmd); 1216 if (strcmp(cmd, "vltime") == 0) { 1217 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 1218 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 1219 } else if (strcmp(cmd, "pltime") == 0) { 1220 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 1221 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 1222 } 1223} 1224#endif 1225 1226void 1227setifmetric(val, d) 1228 const char *val; 1229 int d; 1230{ 1231 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1232 ifr.ifr_metric = atoi(val); 1233 if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) < 0) 1234 warn("SIOCSIFMETRIC"); 1235} 1236 1237void 1238setifmtu(val, d) 1239 const char *val; 1240 int d; 1241{ 1242 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1243 ifr.ifr_mtu = atoi(val); 1244 if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) < 0) 1245 warn("SIOCSIFMTU"); 1246} 1247 1248const char * 1249get_string(val, sep, buf, lenp) 1250 const char *val, *sep; 1251 u_int8_t *buf; 1252 int *lenp; 1253{ 1254 int len; 1255 int hexstr; 1256 u_int8_t *p; 1257 1258 len = *lenp; 1259 p = buf; 1260 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 1261 if (hexstr) 1262 val += 2; 1263 for (;;) { 1264 if (*val == '\0') 1265 break; 1266 if (sep != NULL && strchr(sep, *val) != NULL) { 1267 val++; 1268 break; 1269 } 1270 if (hexstr) { 1271 if (!isxdigit((u_char)val[0]) || 1272 !isxdigit((u_char)val[1])) { 1273 warnx("bad hexadecimal digits"); 1274 return NULL; 1275 } 1276 } 1277 if (p > buf + len) { 1278 if (hexstr) 1279 warnx("hexadecimal digits too long"); 1280 else 1281 warnx("strings too long"); 1282 return NULL; 1283 } 1284 if (hexstr) { 1285#define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 1286 *p++ = (tohex((u_char)val[0]) << 4) | 1287 tohex((u_char)val[1]); 1288#undef tohex 1289 val += 2; 1290 } else 1291 *p++ = *val++; 1292 } 1293 len = p - buf; 1294 if (len < *lenp) 1295 memset(p, 0, *lenp - len); 1296 *lenp = len; 1297 return val; 1298} 1299 1300void 1301print_string(buf, len) 1302 const u_int8_t *buf; 1303 int len; 1304{ 1305 int i; 1306 int hasspc; 1307 1308 i = 0; 1309 hasspc = 0; 1310 if (len < 2 || buf[0] != '0' || tolower(buf[1]) != 'x') { 1311 for (; i < len; i++) { 1312 if (!isprint(buf[i])) 1313 break; 1314 if (isspace(buf[i])) 1315 hasspc++; 1316 } 1317 } 1318 if (i == len) { 1319 if (hasspc || len == 0) 1320 printf("\"%.*s\"", len, buf); 1321 else 1322 printf("%.*s", len, buf); 1323 } else { 1324 printf("0x"); 1325 for (i = 0; i < len; i++) 1326 printf("%02x", buf[i]); 1327 } 1328} 1329 1330void 1331setifnwid(val, d) 1332 const char *val; 1333 int d; 1334{ 1335 struct ieee80211_nwid nwid; 1336 int len; 1337 1338 len = sizeof(nwid.i_nwid); 1339 if (get_string(val, NULL, nwid.i_nwid, &len) == NULL) 1340 return; 1341 nwid.i_len = len; 1342 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1343 ifr.ifr_data = (caddr_t)&nwid; 1344 if (ioctl(s, SIOCS80211NWID, (caddr_t)&ifr) < 0) 1345 warn("SIOCS80211NWID"); 1346} 1347 1348void 1349setifnwkey(val, d) 1350 const char *val; 1351 int d; 1352{ 1353 struct ieee80211_nwkey nwkey; 1354 int i; 1355 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1356 1357 nwkey.i_wepon = 1; 1358 nwkey.i_defkid = 1; 1359 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1360 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1361 nwkey.i_key[i].i_keydat = keybuf[i]; 1362 } 1363 if (d != 0) { 1364 /* disable WEP encryption */ 1365 nwkey.i_wepon = 0; 1366 i = 0; 1367 } else if (isdigit(val[0]) && val[1] == ':') { 1368 /* specifying a full set of four keys */ 1369 nwkey.i_defkid = val[0] - '0'; 1370 val += 2; 1371 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1372 val = get_string(val, ",", keybuf[i], 1373 &nwkey.i_key[i].i_keylen); 1374 if (val == NULL) 1375 return; 1376 } 1377 if (*val != '\0') { 1378 warnx("SIOCS80211NWKEY: too many keys."); 1379 return; 1380 } 1381 } else { 1382 val = get_string(val, NULL, keybuf[0], 1383 &nwkey.i_key[0].i_keylen); 1384 if (val == NULL) 1385 return; 1386 i = 1; 1387 } 1388 for (; i < IEEE80211_WEP_NKID; i++) 1389 nwkey.i_key[i].i_keylen = 0; 1390 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1391 if (ioctl(s, SIOCS80211NWKEY, (caddr_t)&nwkey) < 0) 1392 warn("SIOCS80211NWKEY"); 1393} 1394 1395void 1396setifpowersave(val, d) 1397 const char *val; 1398 int d; 1399{ 1400 struct ieee80211_power power; 1401 1402 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1403 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) < 0) { 1404 warn("SIOCG80211POWER"); 1405 return; 1406 } 1407 1408 power.i_enabled = d; 1409 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) < 0) 1410 warn("SIOCS80211POWER"); 1411} 1412 1413void 1414setifpowersavesleep(val, d) 1415 const char *val; 1416 int d; 1417{ 1418 struct ieee80211_power power; 1419 1420 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1421 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) < 0) { 1422 warn("SIOCG80211POWER"); 1423 return; 1424 } 1425 1426 power.i_maxsleep = atoi(val); 1427 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) < 0) 1428 warn("SIOCS80211POWER"); 1429} 1430 1431void 1432ieee80211_status() 1433{ 1434 int i; 1435 struct ieee80211_nwid nwid; 1436 struct ieee80211_nwkey nwkey; 1437 struct ieee80211_power power; 1438 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1439 1440 memset(&ifr, 0, sizeof(ifr)); 1441 ifr.ifr_data = (caddr_t)&nwid; 1442 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1443 if (ioctl(s, SIOCG80211NWID, (caddr_t)&ifr) != 0) 1444 return; 1445 if (nwid.i_len > IEEE80211_NWID_LEN) { 1446 warnx("SIOCG80211NWID: wrong length of nwid (%d)", nwid.i_len); 1447 return; 1448 } 1449 printf("\tnwid "); 1450 print_string(nwid.i_nwid, nwid.i_len); 1451 memset(&nwkey, 0, sizeof(nwkey)); 1452 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1453 /* show nwkey only when WEP is enabled */ 1454 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) != 0 || 1455 nwkey.i_wepon == 0) { 1456 printf("\n"); 1457 goto skip_wep; 1458 } 1459 1460 printf(" nwkey "); 1461 /* try to retrieve WEP keys */ 1462 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1463 nwkey.i_key[i].i_keydat = keybuf[i]; 1464 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1465 } 1466 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) != 0) { 1467 printf("*****"); 1468 } else { 1469 if (nwkey.i_defkid != 1) { 1470 /* non default key or multiple keys defined */ 1471 i = 0; 1472 } else if (nwkey.i_key[0].i_keylen >= 2 && 1473 isdigit(nwkey.i_key[0].i_keydat[0]) && 1474 nwkey.i_key[0].i_keydat[1] == ':') { 1475 /* ambiguous */ 1476 i = 0; 1477 } else { 1478 for (i = 1; i < IEEE80211_WEP_NKID; i++) { 1479 if (nwkey.i_key[i].i_keylen != 0) 1480 break; 1481 } 1482 } 1483 if (i == IEEE80211_WEP_NKID) { 1484 /* only show the first key */ 1485 print_string(nwkey.i_key[0].i_keydat, 1486 nwkey.i_key[0].i_keylen); 1487 } else { 1488 printf("%d:", nwkey.i_defkid); 1489 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1490 if (i > 0) 1491 printf(","); 1492 print_string(nwkey.i_key[i].i_keydat, 1493 nwkey.i_key[i].i_keylen); 1494 } 1495 } 1496 } 1497 printf("\n"); 1498 1499 skip_wep: 1500 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1501 if (ioctl(s, SIOCG80211POWER, &power) != 0) 1502 return; 1503 printf("\tpowersave "); 1504 if (power.i_enabled) 1505 printf("on (%dms sleep)", power.i_maxsleep); 1506 else 1507 printf("off"); 1508 printf("\n"); 1509} 1510 1511void 1512init_current_media() 1513{ 1514 struct ifmediareq ifmr; 1515 1516 /* 1517 * If we have not yet done so, grab the currently-selected 1518 * media. 1519 */ 1520 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1521 (void) memset(&ifmr, 0, sizeof(ifmr)); 1522 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1523 1524 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1525 /* 1526 * If we get E2BIG, the kernel is telling us 1527 * that there are more, so we can ignore it. 1528 */ 1529 if (errno != E2BIG) 1530 err(1, "SGIOCGIFMEDIA"); 1531 } 1532 1533 media_current = ifmr.ifm_current; 1534 } 1535 1536 /* Sanity. */ 1537 if (IFM_TYPE(media_current) == 0) 1538 errx(1, "%s: no link type?", name); 1539} 1540 1541void 1542process_media_commands() 1543{ 1544 1545 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1546 /* Nothing to do. */ 1547 return; 1548 } 1549 1550 /* 1551 * Media already set up, and commands sanity-checked. Set/clear 1552 * any options, and we're ready to go. 1553 */ 1554 media_current |= mediaopt_set; 1555 media_current &= ~mediaopt_clear; 1556 1557 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1558 ifr.ifr_media = media_current; 1559 1560 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0) 1561 err(1, "SIOCSIFMEDIA"); 1562} 1563 1564void 1565setmedia(val, d) 1566 const char *val; 1567 int d; 1568{ 1569 int type, subtype, inst; 1570 1571 init_current_media(); 1572 1573 /* Only one media command may be given. */ 1574 if (actions & A_MEDIA) 1575 errx(1, "only one `media' command may be issued"); 1576 1577 /* Must not come after mediaopt commands */ 1578 if (actions & A_MEDIAOPT) 1579 errx(1, "may not issue `media' after `mediaopt' commands"); 1580 1581 /* 1582 * No need to check if `instance' has been issued; setmediainst() 1583 * craps out if `media' has not been specified. 1584 */ 1585 1586 type = IFM_TYPE(media_current); 1587 inst = IFM_INST(media_current); 1588 1589 /* Look up the subtype. */ 1590 subtype = get_media_subtype(type, val); 1591 1592 /* Build the new current media word. */ 1593 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1594 1595 /* Media will be set after other processing is complete. */ 1596} 1597 1598void 1599setmediaopt(val, d) 1600 const char *val; 1601 int d; 1602{ 1603 1604 init_current_media(); 1605 1606 /* Can only issue `mediaopt' once. */ 1607 if (actions & A_MEDIAOPTSET) 1608 errx(1, "only one `mediaopt' command may be issued"); 1609 1610 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1611 if (actions & A_MEDIAINST) 1612 errx(1, "may not issue `mediaopt' after `instance'"); 1613 1614 mediaopt_set = get_media_options(IFM_TYPE(media_current), val); 1615 1616 /* Media will be set after other processing is complete. */ 1617} 1618 1619void 1620unsetmediaopt(val, d) 1621 const char *val; 1622 int d; 1623{ 1624 1625 init_current_media(); 1626 1627 /* Can only issue `-mediaopt' once. */ 1628 if (actions & A_MEDIAOPTCLR) 1629 errx(1, "only one `-mediaopt' command may be issued"); 1630 1631 /* May not issue `media' and `-mediaopt'. */ 1632 if (actions & A_MEDIA) 1633 errx(1, "may not issue both `media' and `-mediaopt'"); 1634 1635 /* 1636 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1637 * implicitly checks for A_MEDIAINST. 1638 */ 1639 1640 mediaopt_clear = get_media_options(IFM_TYPE(media_current), val); 1641 1642 /* Media will be set after other processing is complete. */ 1643} 1644 1645void 1646setmediainst(val, d) 1647 const char *val; 1648 int d; 1649{ 1650 int type, subtype, options, inst; 1651 1652 init_current_media(); 1653 1654 /* Can only issue `instance' once. */ 1655 if (actions & A_MEDIAINST) 1656 errx(1, "only one `instance' command may be issued"); 1657 1658 /* Must have already specified `media' */ 1659 if ((actions & A_MEDIA) == 0) 1660 errx(1, "must specify `media' before `instance'"); 1661 1662 type = IFM_TYPE(media_current); 1663 subtype = IFM_SUBTYPE(media_current); 1664 options = IFM_OPTIONS(media_current); 1665 1666 inst = atoi(val); 1667 if (inst < 0 || inst > IFM_INST_MAX) 1668 errx(1, "invalid media instance: %s", val); 1669 1670 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1671 1672 /* Media will be set after other processing is complete. */ 1673} 1674 1675struct ifmedia_description ifm_type_descriptions[] = 1676 IFM_TYPE_DESCRIPTIONS; 1677 1678struct ifmedia_description ifm_subtype_descriptions[] = 1679 IFM_SUBTYPE_DESCRIPTIONS; 1680 1681struct ifmedia_description ifm_option_descriptions[] = 1682 IFM_OPTION_DESCRIPTIONS; 1683 1684const char * 1685get_media_type_string(mword) 1686 int mword; 1687{ 1688 struct ifmedia_description *desc; 1689 1690 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; 1691 desc++) { 1692 if (IFM_TYPE(mword) == desc->ifmt_word) 1693 return (desc->ifmt_string); 1694 } 1695 return ("<unknown type>"); 1696} 1697 1698const char * 1699get_media_subtype_string(mword) 1700 int mword; 1701{ 1702 struct ifmedia_description *desc; 1703 1704 for (desc = ifm_subtype_descriptions; desc->ifmt_string != NULL; 1705 desc++) { 1706 if (IFM_TYPE_MATCH(desc->ifmt_word, mword) && 1707 IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(mword)) 1708 return (desc->ifmt_string); 1709 } 1710 return ("<unknown subtype>"); 1711} 1712 1713int 1714get_media_subtype(type, val) 1715 int type; 1716 const char *val; 1717{ 1718 int rval; 1719 1720 rval = lookup_media_word(ifm_subtype_descriptions, type, val); 1721 if (rval == -1) 1722 errx(1, "unknown %s media subtype: %s", 1723 get_media_type_string(type), val); 1724 1725 return (rval); 1726} 1727 1728int 1729get_media_options(type, val) 1730 int type; 1731 const char *val; 1732{ 1733 char *optlist, *str; 1734 int option, rval = 0; 1735 1736 /* We muck with the string, so copy it. */ 1737 optlist = strdup(val); 1738 if (optlist == NULL) 1739 err(1, "strdup"); 1740 str = optlist; 1741 1742 /* 1743 * Look up the options in the user-provided comma-separated list. 1744 */ 1745 for (; (str = strtok(str, ",")) != NULL; str = NULL) { 1746 option = lookup_media_word(ifm_option_descriptions, type, str); 1747 if (option == -1) 1748 errx(1, "unknown %s media option: %s", 1749 get_media_type_string(type), str); 1750 rval |= IFM_OPTIONS(option); 1751 } 1752 1753 free(optlist); 1754 return (rval); 1755} 1756 1757int 1758lookup_media_word(desc, type, val) 1759 struct ifmedia_description *desc; 1760 int type; 1761 const char *val; 1762{ 1763 1764 for (; desc->ifmt_string != NULL; desc++) { 1765 if (IFM_TYPE_MATCH(desc->ifmt_word, type) && 1766 strcasecmp(desc->ifmt_string, val) == 0) 1767 return (desc->ifmt_word); 1768 } 1769 return (-1); 1770} 1771 1772void 1773print_media_word(ifmw, print_type, as_syntax) 1774 int ifmw, print_type, as_syntax; 1775{ 1776 struct ifmedia_description *desc; 1777 int seen_option = 0; 1778 1779 if (print_type) 1780 printf("%s ", get_media_type_string(ifmw)); 1781 printf("%s%s", as_syntax ? "media " : "", 1782 get_media_subtype_string(ifmw)); 1783 1784 /* Find options. */ 1785 for (desc = ifm_option_descriptions; desc->ifmt_string != NULL; 1786 desc++) { 1787 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && 1788 (ifmw & IFM_OPTIONS(desc->ifmt_word)) != 0 && 1789 (seen_option & IFM_OPTIONS(desc->ifmt_word)) == 0) { 1790 if (seen_option == 0) 1791 printf(" %s", as_syntax ? "mediaopt " : ""); 1792 printf("%s%s", seen_option ? "," : "", 1793 desc->ifmt_string); 1794 seen_option |= IFM_OPTIONS(desc->ifmt_word); 1795 } 1796 } 1797 if (IFM_INST(ifmw) != 0) 1798 printf(" instance %d", IFM_INST(ifmw)); 1799} 1800 1801int carrier() 1802{ 1803 struct ifmediareq ifmr; 1804 1805 (void) memset(&ifmr, 0, sizeof(ifmr)); 1806 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1807 1808 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1809 /* 1810 * Interface doesn't support SIOC{G,S}IFMEDIA; 1811 * assume ok. 1812 */ 1813 return 0; 1814 } 1815 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1816 /* 1817 * Interface doesn't report media-valid status. 1818 * assume ok. 1819 */ 1820 return 0; 1821 } 1822 /* otherwise, return ok for active, not-ok if not active. */ 1823 return !(ifmr.ifm_status & IFM_ACTIVE); 1824} 1825 1826 1827#define IFFBITS \ 1828"\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 1829\11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 1830 1831const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1832 1833const struct ifmedia_status_description ifm_status_descriptions[] = 1834 IFM_STATUS_DESCRIPTIONS; 1835 1836/* 1837 * Print the status of the interface. If an address family was 1838 * specified, show it and it only; otherwise, show them all. 1839 */ 1840void 1841status(ap, alen) 1842 const u_int8_t *ap; 1843 int alen; 1844{ 1845 struct afswtch *p = afp; 1846 struct ifmediareq ifmr; 1847 int *media_list, i; 1848 1849 printf("%s: ", name); 1850 printb("flags", flags, IFFBITS); 1851 if (metric) 1852 printf(" metric %d", metric); 1853 if (mtu) 1854 printf(" mtu %d", mtu); 1855 putchar('\n'); 1856 1857 ieee80211_status(); 1858 vlan_status(); 1859 tunnel_status(); 1860 1861 if (ap && alen > 0) { 1862 printf("\taddress:"); 1863 for (i = 0; i < alen; i++, ap++) 1864 printf("%c%02x", i > 0 ? ':' : ' ', *ap); 1865 putchar('\n'); 1866 } 1867 1868 (void) memset(&ifmr, 0, sizeof(ifmr)); 1869 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1870 1871 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1872 /* 1873 * Interface doesn't support SIOC{G,S}IFMEDIA. 1874 */ 1875 goto proto_status; 1876 } 1877 1878 if (ifmr.ifm_count == 0) { 1879 warnx("%s: no media types?", name); 1880 goto proto_status; 1881 } 1882 1883 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1884 if (media_list == NULL) 1885 err(1, "malloc"); 1886 ifmr.ifm_ulist = media_list; 1887 1888 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) 1889 err(1, "SIOCGIFMEDIA"); 1890 1891 printf("\tmedia: "); 1892 print_media_word(ifmr.ifm_current, 1, 0); 1893 if (ifmr.ifm_active != ifmr.ifm_current) { 1894 putchar(' '); 1895 putchar('('); 1896 print_media_word(ifmr.ifm_active, 0, 0); 1897 putchar(')'); 1898 } 1899 putchar('\n'); 1900 1901 if (ifmr.ifm_status & IFM_STATUS_VALID) { 1902 const struct ifmedia_status_description *ifms; 1903 int bitno, found = 0; 1904 1905 printf("\tstatus: "); 1906 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 1907 for (ifms = ifm_status_descriptions; 1908 ifms->ifms_valid != 0; ifms++) { 1909 if (ifms->ifms_type != 1910 IFM_TYPE(ifmr.ifm_current) || 1911 ifms->ifms_valid != 1912 ifm_status_valid_list[bitno]) 1913 continue; 1914 printf("%s%s", found ? ", " : "", 1915 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 1916 found = 1; 1917 1918 /* 1919 * For each valid indicator bit, there's 1920 * only one entry for each media type, so 1921 * terminate the inner loop now. 1922 */ 1923 break; 1924 } 1925 } 1926 1927 if (found == 0) 1928 printf("unknown"); 1929 putchar('\n'); 1930 } 1931 1932 if (mflag) { 1933 int type, printed_type; 1934 1935 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 1936 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 1937 if (IFM_TYPE(media_list[i]) == type) { 1938 if (printed_type == 0) { 1939 printf("\tsupported %s media:\n", 1940 get_media_type_string(type)); 1941 printed_type = 1; 1942 } 1943 printf("\t\t"); 1944 print_media_word(media_list[i], 0, 1); 1945 printf("\n"); 1946 } 1947 } 1948 } 1949 } 1950 1951 free(media_list); 1952 1953 proto_status: 1954 if ((p = afp) != NULL) { 1955 (*p->af_status)(1); 1956 } else for (p = afs; p->af_name; p++) { 1957 ifr.ifr_addr.sa_family = p->af_af; 1958 (*p->af_status)(0); 1959 } 1960} 1961 1962void 1963tunnel_status() 1964{ 1965 char psrcaddr[NI_MAXHOST]; 1966 char pdstaddr[NI_MAXHOST]; 1967 u_long srccmd, dstcmd; 1968 struct ifreq *ifrp; 1969 const char *ver = ""; 1970#ifdef NI_WITHSCOPEID 1971 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 1972#else 1973 const int niflag = NI_NUMERICHOST; 1974#endif 1975#ifdef INET6 1976 struct in6_ifreq in6_ifr; 1977 int s6; 1978#endif /* INET6 */ 1979 1980 psrcaddr[0] = pdstaddr[0] = '\0'; 1981 1982#ifdef INET6 1983 memset(&in6_ifr, 0, sizeof(in6_ifr)); 1984 strncpy(in6_ifr.ifr_name, name, IFNAMSIZ); 1985 s6 = socket(AF_INET6, SOCK_DGRAM, 0); 1986 if (s6 < 0) { 1987 srccmd = SIOCGIFPSRCADDR; 1988 dstcmd = SIOCGIFPDSTADDR; 1989 ifrp = 𝔦 1990 } else { 1991 close(s6); 1992 srccmd = SIOCGIFPSRCADDR_IN6; 1993 dstcmd = SIOCGIFPDSTADDR_IN6; 1994 ifrp = (struct ifreq *)&in6_ifr; 1995 } 1996 try_again: 1997#else /* INET6 */ 1998 srccmd = SIOCGIFPSRCADDR; 1999 dstcmd = SIOCGIFPDSTADDR; 2000 ifrp = 𝔦 2001#endif /* INET6 */ 2002 2003 if (ioctl(s, srccmd, (caddr_t)ifrp) < 0) { 2004#ifdef INET6 2005 if (srccmd == SIOCGIFPSRCADDR_IN6) { 2006 /* 2007 * Driver probably doesn't support IPv6 2008 * src/dst addrs. Use the sockaddr versions. 2009 */ 2010 srccmd = SIOCGIFPSRCADDR; 2011 dstcmd = SIOCGIFPDSTADDR; 2012 ifrp = 𝔦 2013 goto try_again; 2014 } 2015#endif 2016 return; 2017 } 2018#ifdef INET6 2019 if (ifrp->ifr_addr.sa_family == AF_INET6) 2020 in6_fillscopeid((struct sockaddr_in6 *)&ifrp->ifr_addr); 2021#endif 2022 getnameinfo(&ifrp->ifr_addr, ifrp->ifr_addr.sa_len, 2023 psrcaddr, sizeof(psrcaddr), 0, 0, niflag); 2024#ifdef INET6 2025 if (ifrp->ifr_addr.sa_family == AF_INET6) 2026 ver = "6"; 2027#endif 2028 2029 if (ioctl(s, dstcmd, (caddr_t)ifrp) < 0) 2030 return; 2031#ifdef INET6 2032 if (ifrp->ifr_addr.sa_family == AF_INET6) 2033 in6_fillscopeid((struct sockaddr_in6 *)&ifrp->ifr_addr); 2034#endif 2035 getnameinfo(&ifrp->ifr_addr, ifrp->ifr_addr.sa_len, 2036 pdstaddr, sizeof(pdstaddr), 0, 0, niflag); 2037 2038 printf("\ttunnel inet%s %s --> %s\n", ver, 2039 psrcaddr, pdstaddr); 2040} 2041 2042void 2043vlan_status() 2044{ 2045 struct vlanreq vlr; 2046 2047 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 2048 !isdigit(ifr.ifr_name[4])) 2049 return; 2050 2051 memset(&vlr, 0, sizeof(vlr)); 2052 ifr.ifr_data = (caddr_t)&vlr; 2053 2054 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 2055 return; 2056 2057 if (vlr.vlr_tag || vlr.vlr_parent[0] != '\0') 2058 printf("\tvlan: %d parent: %s\n", 2059 vlr.vlr_tag, vlr.vlr_parent[0] == '\0' ? 2060 "<none>" : vlr.vlr_parent); 2061} 2062 2063void 2064in_alias(creq) 2065 struct ifreq *creq; 2066{ 2067 struct sockaddr_in *sin; 2068 int alias; 2069 2070 if (lflag) 2071 return; 2072 2073 alias = 1; 2074 2075 /* Get the non-alias address for this interface. */ 2076 getsock(AF_INET); 2077 if (s < 0) { 2078 if (errno == EPROTONOSUPPORT) 2079 return; 2080 err(1, "socket"); 2081 } 2082 (void) memset(&ifr, 0, sizeof(ifr)); 2083 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2084 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 2085 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2086 return; 2087 } else 2088 warn("SIOCGIFADDR"); 2089 } 2090 /* If creq and ifr are the same address, this is not an alias. */ 2091 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 2092 sizeof(creq->ifr_addr)) == 0) 2093 alias = 0; 2094 /* we print aliases only with -A */ 2095 if (alias && !Aflag) 2096 return; 2097 (void) memset(&addreq, 0, sizeof(addreq)); 2098 (void) strncpy(addreq.ifra_name, name, sizeof(addreq.ifra_name)); 2099 addreq.ifra_addr = creq->ifr_addr; 2100 if (ioctl(s, SIOCGIFALIAS, (caddr_t)&addreq) < 0) { 2101 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2102 return; 2103 } else 2104 warn("SIOCGIFALIAS"); 2105 } 2106 2107 sin = (struct sockaddr_in *)&addreq.ifra_addr; 2108 printf("\tinet %s%s", alias ? "alias " : "", inet_ntoa(sin->sin_addr)); 2109 2110 if (flags & IFF_POINTOPOINT) { 2111 sin = (struct sockaddr_in *)&addreq.ifra_dstaddr; 2112 printf(" -> %s", inet_ntoa(sin->sin_addr)); 2113 } 2114 2115 sin = (struct sockaddr_in *)&addreq.ifra_mask; 2116 printf(" netmask 0x%x", ntohl(sin->sin_addr.s_addr)); 2117 2118 if (flags & IFF_BROADCAST) { 2119 sin = (struct sockaddr_in *)&addreq.ifra_broadaddr; 2120 printf(" broadcast %s", inet_ntoa(sin->sin_addr)); 2121 } 2122 printf("\n"); 2123} 2124 2125void 2126in_status(force) 2127 int force; 2128{ 2129#ifdef HAVE_IFADDRS_H 2130 struct ifaddrs *ifap, *ifa; 2131 struct ifreq ifr; 2132 2133 if (getifaddrs(&ifap) != 0) 2134 err(1, "getifaddrs"); 2135 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2136 if (strcmp(name, ifa->ifa_name) != 0) 2137 continue; 2138 if (ifa->ifa_addr->sa_family != AF_INET) 2139 continue; 2140 if (sizeof(ifr.ifr_addr) < ifa->ifa_addr->sa_len) 2141 continue; 2142 2143 memset(&ifr, 0, sizeof(ifr)); 2144 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 2145 memcpy(&ifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2146 in_alias(&ifr); 2147 } 2148 freeifaddrs(ifap); 2149#else 2150 char inbuf[8192]; 2151 struct ifconf ifc; 2152 struct ifreq *ifr; 2153 int i, siz; 2154 char ifrbuf[8192], *cp; 2155 2156 ifc.ifc_len = sizeof(inbuf); 2157 ifc.ifc_buf = inbuf; 2158 getsock(af); 2159 if (s < 0) 2160 err(1, "socket"); 2161 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 2162 err(1, "SIOCGIFCONF"); 2163 for (i = 0; i < ifc.ifc_len; ) { 2164 /* Copy the mininum ifreq into the buffer. */ 2165 cp = ((caddr_t)ifc.ifc_req + i); 2166 memcpy(ifrbuf, cp, sizeof(*ifr)); 2167 2168 /* Now compute the actual size of the ifreq. */ 2169 ifr = (struct ifreq *)ifrbuf; 2170 siz = ifr->ifr_addr.sa_len; 2171 if (siz < sizeof(ifr->ifr_addr)) 2172 siz = sizeof(ifr->ifr_addr); 2173 siz += sizeof(ifr->ifr_name); 2174 i += siz; 2175 2176 /* Now copy the whole thing. */ 2177 if (sizeof(ifrbuf) < siz) 2178 errx(1, "ifr too big"); 2179 memcpy(ifrbuf, cp, siz); 2180 2181 if (!strncmp(name, ifr->ifr_name, sizeof(ifr->ifr_name))) { 2182 if (ifr->ifr_addr.sa_family == AF_INET) 2183 in_alias(ifr); 2184 } 2185 } 2186#endif 2187} 2188 2189void 2190setifprefixlen(addr, d) 2191 const char *addr; 2192 int d; 2193{ 2194 if (*afp->af_getprefix) 2195 (*afp->af_getprefix)(addr, MASK); 2196 explicit_prefix = 1; 2197} 2198 2199#ifdef INET6 2200void 2201in6_fillscopeid(sin6) 2202 struct sockaddr_in6 *sin6; 2203{ 2204#if defined(__KAME__) && defined(KAME_SCOPEID) 2205 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 2206 sin6->sin6_scope_id = 2207 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 2208 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 2209 } 2210#endif 2211} 2212 2213/* XXX not really an alias */ 2214void 2215in6_alias(creq) 2216 struct in6_ifreq *creq; 2217{ 2218 struct sockaddr_in6 *sin6; 2219 char hbuf[NI_MAXHOST]; 2220 u_int32_t scopeid; 2221#ifdef NI_WITHSCOPEID 2222 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 2223#else 2224 const int niflag = NI_NUMERICHOST; 2225#endif 2226 2227 /* Get the non-alias address for this interface. */ 2228 getsock(AF_INET6); 2229 if (s < 0) { 2230 if (errno == EPROTONOSUPPORT) 2231 return; 2232 err(1, "socket"); 2233 } 2234 2235 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 2236 2237 in6_fillscopeid(sin6); 2238 scopeid = sin6->sin6_scope_id; 2239 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2240 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2241 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2242 printf("\tinet6 %s", hbuf); 2243 2244 if (flags & IFF_POINTOPOINT) { 2245 (void) memset(&ifr6, 0, sizeof(ifr6)); 2246 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2247 ifr6.ifr_addr = creq->ifr_addr; 2248 if (ioctl(s, SIOCGIFDSTADDR_IN6, (caddr_t)&ifr6) < 0) { 2249 if (errno != EADDRNOTAVAIL) 2250 warn("SIOCGIFDSTADDR_IN6"); 2251 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 2252 ifr6.ifr_addr.sin6_family = AF_INET6; 2253 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 2254 } 2255 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2256 in6_fillscopeid(sin6); 2257 hbuf[0] = '\0'; 2258 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2259 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2260 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2261 printf(" -> %s", hbuf); 2262 } 2263 2264 (void) memset(&ifr6, 0, sizeof(ifr6)); 2265 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2266 ifr6.ifr_addr = creq->ifr_addr; 2267 if (ioctl(s, SIOCGIFNETMASK_IN6, (caddr_t)&ifr6) < 0) { 2268 if (errno != EADDRNOTAVAIL) 2269 warn("SIOCGIFNETMASK_IN6"); 2270 } else { 2271 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2272 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 2273 sizeof(struct in6_addr))); 2274 } 2275 2276 (void) memset(&ifr6, 0, sizeof(ifr6)); 2277 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2278 ifr6.ifr_addr = creq->ifr_addr; 2279 if (ioctl(s, SIOCGIFAFLAG_IN6, (caddr_t)&ifr6) < 0) { 2280 if (errno != EADDRNOTAVAIL) 2281 warn("SIOCGIFAFLAG_IN6"); 2282 } else { 2283 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 2284 printf(" anycast"); 2285 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 2286 printf(" tentative"); 2287 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 2288 printf(" duplicated"); 2289 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 2290 printf(" detached"); 2291 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DEPRECATED) 2292 printf(" deprecated"); 2293 } 2294 2295 if (scopeid) 2296 printf(" scopeid 0x%x", scopeid); 2297 2298 if (Lflag) { 2299 struct in6_addrlifetime *lifetime; 2300 (void) memset(&ifr6, 0, sizeof(ifr6)); 2301 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2302 ifr6.ifr_addr = creq->ifr_addr; 2303 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 2304 if (ioctl(s, SIOCGIFALIFETIME_IN6, (caddr_t)&ifr6) < 0) { 2305 if (errno != EADDRNOTAVAIL) 2306 warn("SIOCGIFALIFETIME_IN6"); 2307 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 2308 time_t t = time(NULL); 2309 printf(" pltime "); 2310 if (lifetime->ia6t_preferred) { 2311 printf("%s", lifetime->ia6t_preferred < t 2312 ? "0" 2313 : sec2str(lifetime->ia6t_preferred - t)); 2314 } else 2315 printf("infty"); 2316 2317 printf(" vltime "); 2318 if (lifetime->ia6t_expire) { 2319 printf("%s", lifetime->ia6t_expire < t 2320 ? "0" 2321 : sec2str(lifetime->ia6t_expire - t)); 2322 } else 2323 printf("infty"); 2324 } 2325 } 2326 2327 printf("\n"); 2328} 2329 2330void 2331in6_status(force) 2332 int force; 2333{ 2334#ifdef HAVE_IFADDRS_H 2335 struct ifaddrs *ifap, *ifa; 2336 struct in6_ifreq ifr; 2337 2338 if (getifaddrs(&ifap) != 0) 2339 err(1, "getifaddrs"); 2340 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2341 if (strcmp(name, ifa->ifa_name) != 0) 2342 continue; 2343 if (ifa->ifa_addr->sa_family != AF_INET6) 2344 continue; 2345 if (sizeof(ifr.ifr_addr) < ifa->ifa_addr->sa_len) 2346 continue; 2347 2348 memset(&ifr, 0, sizeof(ifr)); 2349 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 2350 memcpy(&ifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2351 in6_alias(&ifr); 2352 } 2353 freeifaddrs(ifap); 2354#else 2355 char inbuf[8192]; 2356 struct ifconf ifc; 2357 struct ifreq *ifr; 2358 int i, siz; 2359 char ifrbuf[8192], *cp; 2360 2361 ifc.ifc_len = sizeof(inbuf); 2362 ifc.ifc_buf = inbuf; 2363 getsock(af); 2364 if (s < 0) 2365 err(1, "socket"); 2366 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 2367 err(1, "SIOCGIFCONF"); 2368 for (i = 0; i < ifc.ifc_len; ) { 2369 /* Copy the mininum ifreq into the buffer. */ 2370 cp = ((caddr_t)ifc.ifc_req + i); 2371 memcpy(ifrbuf, cp, sizeof(*ifr)); 2372 2373 /* Now compute the actual size of the ifreq. */ 2374 ifr = (struct ifreq *)ifrbuf; 2375 siz = ifr->ifr_addr.sa_len; 2376 if (siz < sizeof(ifr->ifr_addr)) 2377 siz = sizeof(ifr->ifr_addr); 2378 siz += sizeof(ifr->ifr_name); 2379 i += siz; 2380 2381 /* Now copy the whole thing. */ 2382 if (sizeof(ifrbuf) < siz) 2383 errx(1, "ifr too big"); 2384 memcpy(ifrbuf, cp, siz); 2385 2386 if (!strncmp(name, ifr->ifr_name, sizeof(ifr->ifr_name))) { 2387 if (ifr->ifr_addr.sa_family == AF_INET6) 2388 in6_alias((struct in6_ifreq *)ifr); 2389 } 2390 } 2391#endif 2392} 2393#endif /*INET6*/ 2394 2395#ifndef INET_ONLY 2396 2397void 2398at_status(force) 2399 int force; 2400{ 2401 struct sockaddr_at *sat, null_sat; 2402 struct netrange *nr; 2403 2404 getsock(AF_APPLETALK); 2405 if (s < 0) { 2406 if (errno == EPROTONOSUPPORT) 2407 return; 2408 err(1, "socket"); 2409 } 2410 (void) memset(&ifr, 0, sizeof(ifr)); 2411 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2412 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 2413 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2414 if (!force) 2415 return; 2416 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2417 } else 2418 warn("SIOCGIFADDR"); 2419 } 2420 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2421 sat = (struct sockaddr_at *)&ifr.ifr_addr; 2422 2423 (void) memset(&null_sat, 0, sizeof(null_sat)); 2424 2425 nr = (struct netrange *) &sat->sat_zero; 2426 printf("\tatalk %d.%d range %d-%d phase %d", 2427 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2428 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 2429 if (flags & IFF_POINTOPOINT) { 2430 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 2431 if (errno == EADDRNOTAVAIL) 2432 (void) memset(&ifr.ifr_addr, 0, 2433 sizeof(ifr.ifr_addr)); 2434 else 2435 warn("SIOCGIFDSTADDR"); 2436 } 2437 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2438 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 2439 if (!sat) 2440 sat = &null_sat; 2441 printf("--> %d.%d", 2442 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 2443 } 2444 if (flags & IFF_BROADCAST) { 2445 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 2446 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 2447 if (sat) 2448 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 2449 sat->sat_addr.s_node); 2450 } 2451 putchar('\n'); 2452} 2453 2454void 2455xns_status(force) 2456 int force; 2457{ 2458 struct sockaddr_ns *sns; 2459 2460 getsock(AF_NS); 2461 if (s < 0) { 2462 if (errno == EPROTONOSUPPORT) 2463 return; 2464 err(1, "socket"); 2465 } 2466 (void) memset(&ifr, 0, sizeof(ifr)); 2467 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2468 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 2469 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2470 if (!force) 2471 return; 2472 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2473 } else 2474 warn("SIOCGIFADDR"); 2475 } 2476 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2477 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 2478 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 2479 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 2480 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 2481 if (errno == EADDRNOTAVAIL) 2482 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2483 else 2484 warn("SIOCGIFDSTADDR"); 2485 } 2486 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2487 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 2488 printf("--> %s ", ns_ntoa(sns->sns_addr)); 2489 } 2490 putchar('\n'); 2491} 2492 2493void 2494iso_status(force) 2495 int force; 2496{ 2497 struct sockaddr_iso *siso; 2498 struct iso_ifreq ifr; 2499 2500 getsock(AF_ISO); 2501 if (s < 0) { 2502 if (errno == EPROTONOSUPPORT) 2503 return; 2504 err(1, "socket"); 2505 } 2506 (void) memset(&ifr, 0, sizeof(ifr)); 2507 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2508 if (ioctl(s, SIOCGIFADDR_ISO, (caddr_t)&ifr) < 0) { 2509 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2510 if (!force) 2511 return; 2512 (void) memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2513 } else 2514 warn("SIOCGIFADDR_ISO"); 2515 } 2516 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2517 siso = &ifr.ifr_Addr; 2518 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 2519 if (ioctl(s, SIOCGIFNETMASK_ISO, (caddr_t)&ifr) < 0) { 2520 if (errno == EADDRNOTAVAIL) 2521 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2522 else 2523 warn("SIOCGIFNETMASK_ISO"); 2524 } else { 2525 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 2526 siso->siso_addr.isoa_len = siso->siso_len 2527 - offsetof(struct sockaddr_iso, siso_addr); 2528 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 2529 } 2530 if (flags & IFF_POINTOPOINT) { 2531 if (ioctl(s, SIOCGIFDSTADDR_ISO, (caddr_t)&ifr) < 0) { 2532 if (errno == EADDRNOTAVAIL) 2533 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2534 else 2535 warn("SIOCGIFDSTADDR_ISO"); 2536 } 2537 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2538 siso = &ifr.ifr_Addr; 2539 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 2540 } 2541 putchar('\n'); 2542} 2543 2544#endif /* INET_ONLY */ 2545 2546#define SIN(x) ((struct sockaddr_in *) &(x)) 2547struct sockaddr_in *sintab[] = { 2548SIN(ridreq.ifr_addr), SIN(addreq.ifra_addr), 2549SIN(addreq.ifra_mask), SIN(addreq.ifra_broadaddr)}; 2550 2551void 2552in_getaddr(s, which) 2553 const char *s; 2554 int which; 2555{ 2556 struct sockaddr_in *sin = sintab[which]; 2557 struct hostent *hp; 2558 struct netent *np; 2559 2560 sin->sin_len = sizeof(*sin); 2561 if (which != MASK) 2562 sin->sin_family = AF_INET; 2563 2564 if (which == ADDR) { 2565 char *p = NULL; 2566 if ((p = strrchr(s, '/')) != NULL) { 2567 *p = '\0'; 2568 in_getprefix(p + 1, MASK); 2569 } 2570 } 2571 2572 if (inet_aton(s, &sin->sin_addr) == 0) { 2573 if ((hp = gethostbyname(s)) != NULL) 2574 (void) memcpy(&sin->sin_addr, hp->h_addr, hp->h_length); 2575 else if ((np = getnetbyname(s)) != NULL) 2576 sin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 2577 else 2578 errx(1, "%s: bad value", s); 2579 } 2580} 2581 2582void 2583in_getprefix(plen, which) 2584 const char *plen; 2585 int which; 2586{ 2587 register struct sockaddr_in *sin = sintab[which]; 2588 register u_char *cp; 2589 int len = strtol(plen, (char **)NULL, 10); 2590 2591 if ((len < 0) || (len > 32)) 2592 errx(1, "%s: bad value", plen); 2593 sin->sin_len = sizeof(*sin); 2594 if (which != MASK) 2595 sin->sin_family = AF_INET; 2596 if ((len == 0) || (len == 32)) { 2597 memset(&sin->sin_addr, 0xff, sizeof(struct in_addr)); 2598 return; 2599 } 2600 memset((void *)&sin->sin_addr, 0x00, sizeof(sin->sin_addr)); 2601 for (cp = (u_char *)&sin->sin_addr; len > 7; len -= 8) 2602 *cp++ = 0xff; 2603 *cp = 0xff << (8 - len); 2604} 2605 2606/* 2607 * Print a value a la the %b format of the kernel's printf 2608 */ 2609void 2610printb(s, v, bits) 2611 const char *s; 2612 unsigned short v; 2613 const char *bits; 2614{ 2615 int i, any = 0; 2616 char c; 2617 2618 if (bits && *bits == 8) 2619 printf("%s=%o", s, v); 2620 else 2621 printf("%s=%x", s, v); 2622 bits++; 2623 if (bits) { 2624 putchar('<'); 2625 while ((i = *bits++) != 0) { 2626 if (v & (1 << (i-1))) { 2627 if (any) 2628 putchar(','); 2629 any = 1; 2630 for (; (c = *bits) > 32; bits++) 2631 putchar(c); 2632 } else 2633 for (; *bits > 32; bits++) 2634 ; 2635 } 2636 putchar('>'); 2637 } 2638} 2639 2640#ifdef INET6 2641#define SIN6(x) ((struct sockaddr_in6 *) &(x)) 2642struct sockaddr_in6 *sin6tab[] = { 2643SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 2644SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 2645 2646void 2647in6_getaddr(s, which) 2648 const char *s; 2649 int which; 2650{ 2651#if defined(__KAME__) && defined(KAME_SCOPEID) 2652 struct sockaddr_in6 *sin6 = sin6tab[which]; 2653 struct addrinfo hints, *res; 2654 int error; 2655 2656 memset(&hints, 0, sizeof(hints)); 2657 hints.ai_family = AF_INET6; 2658 hints.ai_socktype = SOCK_DGRAM; 2659#if 0 /* in_getaddr() allows FQDN */ 2660 hints.ai_flags = AI_NUMERICHOST; 2661#endif 2662 error = getaddrinfo(s, "0", &hints, &res); 2663 if (error) 2664 errx(1, "%s: %s", s, gai_strerror(error)); 2665 if (res->ai_next) 2666 errx(1, "%s: resolved to multiple hosts", s); 2667 if (res->ai_addrlen != sizeof(struct sockaddr_in6)) 2668 errx(1, "%s: bad value", s); 2669 memcpy(sin6, res->ai_addr, res->ai_addrlen); 2670 freeaddrinfo(res); 2671 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) { 2672 *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = 2673 htons(sin6->sin6_scope_id); 2674 sin6->sin6_scope_id = 0; 2675 } 2676#else 2677 struct sockaddr_in6 *sin = sin6tab[which]; 2678 2679 sin->sin6_len = sizeof(*sin); 2680 if (which != MASK) 2681 sin->sin6_family = AF_INET6; 2682 2683 if (which == ADDR) { 2684 char *p = NULL; 2685 if((p = strrchr(s, '/')) != NULL) { 2686 *p = '\0'; 2687 in6_getprefix(p + 1, MASK); 2688 explicit_prefix = 1; 2689 } 2690 } 2691 2692 if (inet_pton(AF_INET6, s, &sin->sin6_addr) != 1) 2693 errx(1, "%s: bad value", s); 2694#endif 2695} 2696 2697void 2698in6_getprefix(plen, which) 2699 const char *plen; 2700 int which; 2701{ 2702 register struct sockaddr_in6 *sin = sin6tab[which]; 2703 register u_char *cp; 2704 int len = strtol(plen, (char **)NULL, 10); 2705 2706 if ((len < 0) || (len > 128)) 2707 errx(1, "%s: bad value", plen); 2708 sin->sin6_len = sizeof(*sin); 2709 if (which != MASK) 2710 sin->sin6_family = AF_INET6; 2711 if ((len == 0) || (len == 128)) { 2712 memset(&sin->sin6_addr, 0xff, sizeof(struct in6_addr)); 2713 return; 2714 } 2715 memset((void *)&sin->sin6_addr, 0x00, sizeof(sin->sin6_addr)); 2716 for (cp = (u_char *)&sin->sin6_addr; len > 7; len -= 8) 2717 *cp++ = 0xff; 2718 *cp = 0xff << (8 - len); 2719} 2720 2721int 2722prefix(val, size) 2723 void *val; 2724 int size; 2725{ 2726 register u_char *name = (u_char *)val; 2727 register int byte, bit, plen = 0; 2728 2729 for (byte = 0; byte < size; byte++, plen += 8) 2730 if (name[byte] != 0xff) 2731 break; 2732 if (byte == size) 2733 return (plen); 2734 for (bit = 7; bit != 0; bit--, plen++) 2735 if (!(name[byte] & (1 << bit))) 2736 break; 2737 for (; bit != 0; bit--) 2738 if (name[byte] & (1 << bit)) 2739 return(0); 2740 byte++; 2741 for (; byte < size; byte++) 2742 if (name[byte]) 2743 return(0); 2744 return (plen); 2745} 2746#endif /*INET6*/ 2747 2748#ifndef INET_ONLY 2749void 2750at_getaddr(addr, which) 2751 const char *addr; 2752 int which; 2753{ 2754 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 2755 u_int net, node; 2756 2757 sat->sat_family = AF_APPLETALK; 2758 sat->sat_len = sizeof(*sat); 2759 if (which == MASK) 2760 errx(1, "AppleTalk does not use netmasks\n"); 2761 if (sscanf(addr, "%u.%u", &net, &node) != 2 2762 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 2763 errx(1, "%s: illegal address", addr); 2764 sat->sat_addr.s_net = htons(net); 2765 sat->sat_addr.s_node = node; 2766} 2767 2768void 2769setatrange(range, d) 2770 const char *range; 2771 int d; 2772{ 2773 u_short first = 123, last = 123; 2774 2775 if (sscanf(range, "%hu-%hu", &first, &last) != 2 2776 || first == 0 || first > 0xffff 2777 || last == 0 || last > 0xffff || first > last) 2778 errx(1, "%s: illegal net range: %u-%u", range, first, last); 2779 at_nr.nr_firstnet = htons(first); 2780 at_nr.nr_lastnet = htons(last); 2781} 2782 2783void 2784setatphase(phase, d) 2785 const char *phase; 2786 int d; 2787{ 2788 if (!strcmp(phase, "1")) 2789 at_nr.nr_phase = 1; 2790 else if (!strcmp(phase, "2")) 2791 at_nr.nr_phase = 2; 2792 else 2793 errx(1, "%s: illegal phase", phase); 2794} 2795 2796void 2797checkatrange(sat) 2798 struct sockaddr_at *sat; 2799{ 2800 if (at_nr.nr_phase == 0) 2801 at_nr.nr_phase = 2; /* Default phase 2 */ 2802 if (at_nr.nr_firstnet == 0) 2803 at_nr.nr_firstnet = /* Default range of one */ 2804 at_nr.nr_lastnet = sat->sat_addr.s_net; 2805 printf("\tatalk %d.%d range %d-%d phase %d\n", 2806 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2807 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 2808 if ((u_short) ntohs(at_nr.nr_firstnet) > 2809 (u_short) ntohs(sat->sat_addr.s_net) 2810 || (u_short) ntohs(at_nr.nr_lastnet) < 2811 (u_short) ntohs(sat->sat_addr.s_net)) 2812 errx(1, "AppleTalk address is not in range"); 2813 *((struct netrange *) &sat->sat_zero) = at_nr; 2814} 2815 2816#define SNS(x) ((struct sockaddr_ns *) &(x)) 2817struct sockaddr_ns *snstab[] = { 2818SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 2819SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 2820 2821void 2822xns_getaddr(addr, which) 2823 const char *addr; 2824 int which; 2825{ 2826 struct sockaddr_ns *sns = snstab[which]; 2827 2828 sns->sns_family = AF_NS; 2829 sns->sns_len = sizeof(*sns); 2830 sns->sns_addr = ns_addr(addr); 2831 if (which == MASK) 2832 puts("Attempt to set XNS netmask will be ineffectual"); 2833} 2834 2835#define SISO(x) ((struct sockaddr_iso *) &(x)) 2836struct sockaddr_iso *sisotab[] = { 2837SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 2838SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 2839 2840void 2841iso_getaddr(addr, which) 2842 const char *addr; 2843 int which; 2844{ 2845 struct sockaddr_iso *siso = sisotab[which]; 2846 siso->siso_addr = *iso_addr(addr); 2847 2848 if (which == MASK) { 2849 siso->siso_len = TSEL(siso) - (caddr_t)(siso); 2850 siso->siso_nlen = 0; 2851 } else { 2852 siso->siso_len = sizeof(*siso); 2853 siso->siso_family = AF_ISO; 2854 } 2855} 2856 2857void 2858setsnpaoffset(val, d) 2859 const char *val; 2860 int d; 2861{ 2862 iso_addreq.ifra_snpaoffset = atoi(val); 2863} 2864 2865void 2866setnsellength(val, d) 2867 const char *val; 2868 int d; 2869{ 2870 nsellength = atoi(val); 2871 if (nsellength < 0) 2872 errx(1, "Negative NSEL length is absurd"); 2873 if (afp == 0 || afp->af_af != AF_ISO) 2874 errx(1, "Setting NSEL length valid only for iso"); 2875} 2876 2877void 2878fixnsel(s) 2879 struct sockaddr_iso *s; 2880{ 2881 if (s->siso_family == 0) 2882 return; 2883 s->siso_tlen = nsellength; 2884} 2885 2886void 2887adjust_nsellength() 2888{ 2889 fixnsel(sisotab[RIDADDR]); 2890 fixnsel(sisotab[ADDR]); 2891 fixnsel(sisotab[DSTADDR]); 2892} 2893 2894#endif /* INET_ONLY */ 2895 2896void 2897usage() 2898{ 2899 extern const char *__progname; 2900 2901 fprintf(stderr, 2902 "usage: %s [ -m ] [ -A ] " 2903#ifdef INET6 2904 "[ -L ] " 2905#endif 2906 "interface\n" 2907 "\t[ af [ address [ dest_addr ] ] [ up ] [ down ] " 2908 "[ netmask mask ] ]\n" 2909 "\t[ metric n ] [ mtu n ]\n" 2910 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n" 2911 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n" 2912 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n" 2913 "\t[ arp | -arp ]\n" 2914 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] " 2915 "[ instance minst ]\n" 2916 "\t[ vlan n vlanif i ]\n" 2917 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" 2918 " %s -a [ -A ] [ -m ] [ -d ] [ -u ] [ af ]\n" 2919 " %s -l [ -b ] [ -d ] [ -u ] [ -s ]\n" 2920 " %s interface create\n" 2921 " %s interface destroy\n", 2922 __progname, __progname, __progname, __progname, __progname); 2923 exit(1); 2924} 2925 2926#ifdef INET6 2927char * 2928sec2str(total) 2929 time_t total; 2930{ 2931 static char result[256]; 2932 int days, hours, mins, secs; 2933 int first = 1; 2934 char *p = result; 2935 2936 if (0) { /*XXX*/ 2937 days = total / 3600 / 24; 2938 hours = (total / 3600) % 24; 2939 mins = (total / 60) % 60; 2940 secs = total % 60; 2941 2942 if (days) { 2943 first = 0; 2944 p += sprintf(p, "%dd", days); 2945 } 2946 if (!first || hours) { 2947 first = 0; 2948 p += sprintf(p, "%dh", hours); 2949 } 2950 if (!first || mins) { 2951 first = 0; 2952 p += sprintf(p, "%dm", mins); 2953 } 2954 sprintf(p, "%ds", secs); 2955 } else 2956 sprintf(p, "%lu", (u_long)total); 2957 2958 return(result); 2959} 2960#endif 2961