ifconfig.c revision 1.111
1/* $NetBSD: ifconfig.c,v 1.111 2001/07/31 23:27:35 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 1.111 2001/07/31 23:27:35 itojun Exp $"); 84#endif 85#endif /* not lint */ 86 87#include <sys/param.h> 88#include <sys/socket.h> 89#include <sys/ioctl.h> 90 91#include <net/if.h> 92#include <net/if_dl.h> 93#include <net/if_media.h> 94#include <net/if_ether.h> 95#include <net/if_ieee80211.h> 96#include <net/if_vlanvar.h> 97#include <netinet/in.h> 98#include <netinet/in_var.h> 99#ifdef INET6 100#include <netinet6/nd6.h> 101#endif 102#include <arpa/inet.h> 103 104#include <netatalk/at.h> 105 106#define NSIP 107#include <netns/ns.h> 108#include <netns/ns_if.h> 109#include <netdb.h> 110 111#define EON 112#include <netiso/iso.h> 113#include <netiso/iso_var.h> 114#include <sys/protosw.h> 115 116#include <ctype.h> 117#include <err.h> 118#include <errno.h> 119#include <stddef.h> 120#include <stdio.h> 121#include <stdlib.h> 122#include <string.h> 123#include <unistd.h> 124#include <ifaddrs.h> 125 126struct ifreq ifr, ridreq; 127struct ifaliasreq addreq __attribute__((aligned(4))); 128#ifdef INET6 129struct in6_ifreq ifr6; 130struct in6_ifreq in6_ridreq; 131struct in6_aliasreq in6_addreq __attribute__((aligned(4))); 132#endif 133struct iso_ifreq iso_ridreq; 134struct iso_aliasreq iso_addreq; 135struct sockaddr_in netmask; 136struct netrange at_nr; /* AppleTalk net range */ 137 138char name[30]; 139int flags, metric, mtu, setaddr, setipdst, doalias; 140int clearaddr, s; 141int newaddr = -1; 142int nsellength = 1; 143int af; 144int aflag, bflag, Cflag, dflag, lflag, mflag, sflag, uflag; 145#ifdef INET6 146int Lflag; 147#endif 148int reset_if_flags; 149int explicit_prefix = 0; 150u_int vlan_tag = (u_int)-1; 151 152struct ifcapreq g_ifcr; 153int g_ifcr_updated; 154 155void notealias __P((const char *, int)); 156void notrailers __P((const char *, int)); 157void setifaddr __P((const char *, int)); 158void setifdstaddr __P((const char *, int)); 159void setifflags __P((const char *, int)); 160void setifcaps __P((const char *, int)); 161void setifbroadaddr __P((const char *, int)); 162void setifipdst __P((const char *, int)); 163void setifmetric __P((const char *, int)); 164void setifmtu __P((const char *, int)); 165void setifnwid __P((const char *, int)); 166void setifnwkey __P((const char *, int)); 167void setifpowersave __P((const char *, int)); 168void setifpowersavesleep __P((const char *, int)); 169void setifnetmask __P((const char *, int)); 170void setifprefixlen __P((const char *, int)); 171void setnsellength __P((const char *, int)); 172void setsnpaoffset __P((const char *, int)); 173void setatrange __P((const char *, int)); 174void setatphase __P((const char *, int)); 175void settunnel __P((const char *, const char *)); 176void deletetunnel __P((const char *, int)); 177#ifdef INET6 178void setia6flags __P((const char *, int)); 179void setia6pltime __P((const char *, int)); 180void setia6vltime __P((const char *, int)); 181void setia6lifetime __P((const char *, const char *)); 182#endif 183void checkatrange __P ((struct sockaddr_at *)); 184void setmedia __P((const char *, int)); 185void setmediaopt __P((const char *, int)); 186void unsetmediaopt __P((const char *, int)); 187void setmediainst __P((const char *, int)); 188void clone_create __P((const char *, int)); 189void clone_destroy __P((const char *, int)); 190void fixnsel __P((struct sockaddr_iso *)); 191void setvlan __P((const char *, int)); 192void setvlanif __P((const char *, int)); 193void unsetvlanif __P((const char *, int)); 194int main __P((int, char *[])); 195 196/* 197 * Media stuff. Whenever a media command is first performed, the 198 * currently select media is grabbed for this interface. If `media' 199 * is given, the current media word is modifed. `mediaopt' commands 200 * only modify the set and clear words. They then operate on the 201 * current media word later. 202 */ 203int media_current; 204int mediaopt_set; 205int mediaopt_clear; 206 207int actions; /* Actions performed */ 208 209#define A_MEDIA 0x0001 /* media command */ 210#define A_MEDIAOPTSET 0x0002 /* mediaopt command */ 211#define A_MEDIAOPTCLR 0x0004 /* -mediaopt command */ 212#define A_MEDIAOPT (A_MEDIAOPTSET|A_MEDIAOPTCLR) 213#define A_MEDIAINST 0x0008 /* instance or inst command */ 214 215#define NEXTARG 0xffffff 216#define NEXTARG2 0xfffffe 217 218const struct cmd { 219 const char *c_name; 220 int c_parameter; /* NEXTARG means next argv */ 221 int c_action; /* defered action */ 222 void (*c_func) __P((const char *, int)); 223 void (*c_func2) __P((const char *, const char *)); 224} cmds[] = { 225 { "up", IFF_UP, 0, setifflags } , 226 { "down", -IFF_UP, 0, setifflags }, 227 { "trailers", -1, 0, notrailers }, 228 { "-trailers", 1, 0, notrailers }, 229 { "arp", -IFF_NOARP, 0, setifflags }, 230 { "-arp", IFF_NOARP, 0, setifflags }, 231 { "debug", IFF_DEBUG, 0, setifflags }, 232 { "-debug", -IFF_DEBUG, 0, setifflags }, 233 { "alias", IFF_UP, 0, notealias }, 234 { "-alias", -IFF_UP, 0, notealias }, 235 { "delete", -IFF_UP, 0, notealias }, 236#ifdef notdef 237#define EN_SWABIPS 0x1000 238 { "swabips", EN_SWABIPS, 0, setifflags }, 239 { "-swabips", -EN_SWABIPS, 0, setifflags }, 240#endif 241 { "netmask", NEXTARG, 0, setifnetmask }, 242 { "metric", NEXTARG, 0, setifmetric }, 243 { "mtu", NEXTARG, 0, setifmtu }, 244 { "nwid", NEXTARG, 0, setifnwid }, 245 { "nwkey", NEXTARG, 0, setifnwkey }, 246 { "-nwkey", -1, 0, setifnwkey }, 247 { "powersave", 1, 0, setifpowersave }, 248 { "-powersave", 0, 0, setifpowersave }, 249 { "powersavesleep", NEXTARG, 0, setifpowersavesleep }, 250 { "broadcast", NEXTARG, 0, setifbroadaddr }, 251 { "ipdst", NEXTARG, 0, setifipdst }, 252 { "prefixlen", NEXTARG, 0, setifprefixlen}, 253#ifdef INET6 254 { "anycast", IN6_IFF_ANYCAST, 0, setia6flags }, 255 { "-anycast", -IN6_IFF_ANYCAST, 0, setia6flags }, 256 { "tentative", IN6_IFF_TENTATIVE, 0, setia6flags }, 257 { "-tentative", -IN6_IFF_TENTATIVE, 0, setia6flags }, 258 { "deprecated", IN6_IFF_DEPRECATED, 0, setia6flags }, 259 { "-deprecated", -IN6_IFF_DEPRECATED, 0, setia6flags }, 260 { "pltime", NEXTARG, 0, setia6pltime }, 261 { "vltime", NEXTARG, 0, setia6vltime }, 262#endif /*INET6*/ 263#ifndef INET_ONLY 264 { "range", NEXTARG, 0, setatrange }, 265 { "phase", NEXTARG, 0, setatphase }, 266 { "snpaoffset", NEXTARG, 0, setsnpaoffset }, 267 { "nsellength", NEXTARG, 0, setnsellength }, 268#endif /* INET_ONLY */ 269 { "tunnel", NEXTARG2, 0, NULL, 270 settunnel } , 271 { "deletetunnel", 0, 0, deletetunnel }, 272 { "vlan", NEXTARG, 0, setvlan } , 273 { "vlanif", NEXTARG, 0, setvlanif } , 274 { "-vlanif", 0, 0, unsetvlanif } , 275 { "deletetunnel", 0, 0, deletetunnel }, 276#if 0 277 /* XXX `create' special-cased below */ 278 { "create", 0, 0, clone_create } , 279#endif 280 { "destroy", 0, 0, clone_destroy } , 281 { "link0", IFF_LINK0, 0, setifflags } , 282 { "-link0", -IFF_LINK0, 0, setifflags } , 283 { "link1", IFF_LINK1, 0, setifflags } , 284 { "-link1", -IFF_LINK1, 0, setifflags } , 285 { "link2", IFF_LINK2, 0, setifflags } , 286 { "-link2", -IFF_LINK2, 0, setifflags } , 287 { "media", NEXTARG, A_MEDIA, setmedia }, 288 { "mediaopt", NEXTARG, A_MEDIAOPTSET, setmediaopt }, 289 { "-mediaopt", NEXTARG, A_MEDIAOPTCLR, unsetmediaopt }, 290 { "instance", NEXTARG, A_MEDIAINST, setmediainst }, 291 { "inst", NEXTARG, A_MEDIAINST, setmediainst }, 292 { "ip4csum", IFCAP_CSUM_IPv4,0, setifcaps }, 293 { "-ip4csum", -IFCAP_CSUM_IPv4,0, setifcaps }, 294 { "tcp4csum", IFCAP_CSUM_TCPv4,0, setifcaps }, 295 { "-tcp4csum", -IFCAP_CSUM_TCPv4,0, setifcaps }, 296 { "udp4csum", IFCAP_CSUM_UDPv4,0, setifcaps }, 297 { "-udp4csum", -IFCAP_CSUM_UDPv4,0, setifcaps }, 298 { "tcp6csum", IFCAP_CSUM_TCPv6,0, setifcaps }, 299 { "-tcp6csum", -IFCAP_CSUM_TCPv6,0, setifcaps }, 300 { "udp6csum", IFCAP_CSUM_UDPv6,0, setifcaps }, 301 { "-udp6csum", -IFCAP_CSUM_UDPv6,0, setifcaps }, 302 { 0, 0, 0, setifaddr }, 303 { 0, 0, 0, setifdstaddr }, 304}; 305 306void adjust_nsellength __P((void)); 307int getinfo __P((struct ifreq *)); 308int carrier __P((void)); 309void getsock __P((int)); 310void printall __P((const char *)); 311void list_cloners __P((void)); 312void printb __P((const char *, unsigned short, const char *)); 313int prefix __P((void *, int)); 314void status __P((const u_int8_t *, int)); 315void usage __P((void)); 316const char *get_string __P((const char *, const char *, u_int8_t *, int *)); 317void print_string __P((const u_int8_t *, int)); 318char *sec2str __P((time_t)); 319 320const char *get_media_type_string __P((int)); 321const char *get_media_subtype_string __P((int)); 322int get_media_subtype __P((int, const char *)); 323int get_media_options __P((int, const char *)); 324int lookup_media_word __P((struct ifmedia_description *, int, 325 const char *)); 326void print_media_word __P((int, int, int)); 327void process_media_commands __P((void)); 328void init_current_media __P((void)); 329 330/* 331 * XNS support liberally adapted from code written at the University of 332 * Maryland principally by James O'Toole and Chris Torek. 333 */ 334void in_alias __P((struct ifreq *)); 335void in_status __P((int)); 336void in_getaddr __P((const char *, int)); 337void in_getprefix __P((const char *, int)); 338#ifdef INET6 339void in6_fillscopeid __P((struct sockaddr_in6 *sin6)); 340void in6_alias __P((struct in6_ifreq *)); 341void in6_status __P((int)); 342void in6_getaddr __P((const char *, int)); 343void in6_getprefix __P((const char *, int)); 344#endif 345void at_status __P((int)); 346void at_getaddr __P((const char *, int)); 347void xns_status __P((int)); 348void xns_getaddr __P((const char *, int)); 349void iso_status __P((int)); 350void iso_getaddr __P((const char *, int)); 351 352void ieee80211_status __P((void)); 353void tunnel_status __P((void)); 354void vlan_status __P((void)); 355 356/* Known address families */ 357struct afswtch { 358 const char *af_name; 359 short af_af; 360 void (*af_status) __P((int)); 361 void (*af_getaddr) __P((const char *, int)); 362 void (*af_getprefix) __P((const char *, int)); 363 u_long af_difaddr; 364 u_long af_aifaddr; 365 u_long af_gifaddr; 366 caddr_t af_ridreq; 367 caddr_t af_addreq; 368} afs[] = { 369#define C(x) ((caddr_t) &x) 370 { "inet", AF_INET, in_status, in_getaddr, in_getprefix, 371 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(addreq) }, 372#ifdef INET6 373 { "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix, 374 SIOCDIFADDR_IN6, SIOCAIFADDR_IN6, 375 /* 376 * Deleting the first address before setting new one is 377 * not prefered way in this protocol. 378 */ 379 0, 380 C(in6_ridreq), C(in6_addreq) }, 381#endif 382#ifndef INET_ONLY /* small version, for boot media */ 383 { "atalk", AF_APPLETALK, at_status, at_getaddr, NULL, 384 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(addreq), C(addreq) }, 385 { "ns", AF_NS, xns_status, xns_getaddr, NULL, 386 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(addreq) }, 387 { "iso", AF_ISO, iso_status, iso_getaddr, NULL, 388 SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, SIOCGIFADDR_ISO, 389 C(iso_ridreq), C(iso_addreq) }, 390#endif /* INET_ONLY */ 391 { 0, 0, 0, 0 } 392}; 393 394struct afswtch *afp; /*the address family being set or asked about*/ 395 396struct afswtch *lookup_af __P((const char *)); 397 398int 399main(argc, argv) 400 int argc; 401 char *argv[]; 402{ 403 struct ifreq ifreq; 404 int ch; 405 406 /* Parse command-line options */ 407 aflag = mflag = 0; 408 while ((ch = getopt(argc, argv, "AabCdlmsu" 409#ifdef INET6 410 "L" 411#endif 412 )) != -1) { 413 switch (ch) { 414 case 'A': 415 warnx("-A is deprecated"); 416 break; 417 418 case 'a': 419 aflag = 1; 420 break; 421 422 case 'b': 423 bflag = 1; 424 break; 425 426 427 case 'C': 428 Cflag = 1; 429 break; 430 431 case 'd': 432 dflag = 1; 433 break; 434 435#ifdef INET6 436 case 'L': 437 Lflag = 1; 438 break; 439#endif 440 441 case 'l': 442 lflag = 1; 443 break; 444 445 case 'm': 446 mflag = 1; 447 break; 448 449 case 's': 450 sflag = 1; 451 break; 452 453 case 'u': 454 uflag = 1; 455 break; 456 457 458 default: 459 usage(); 460 /* NOTREACHED */ 461 } 462 } 463 argc -= optind; 464 argv += optind; 465 466 /* 467 * -l means "list all interfaces", and is mutally exclusive with 468 * all other flags/commands. 469 * 470 * -C means "list all names of cloners", and it mutually exclusive 471 * with all other flags/commands. 472 * 473 * -a means "print status of all interfaces". 474 */ 475 if ((lflag || Cflag) && (aflag || mflag || argc)) 476 usage(); 477#ifdef INET6 478 if ((lflag || Cflag) && Lflag) 479 usage(); 480#endif 481 if (lflag && Cflag) 482 usage(); 483 if (Cflag) { 484 if (argc) 485 usage(); 486 list_cloners(); 487 exit(0); 488 } 489 if (aflag || lflag) { 490 if (argc > 1) 491 usage(); 492 else if (argc == 1) { 493 afp = lookup_af(argv[0]); 494 if (afp == NULL) 495 usage(); 496 } 497 if (afp) 498 af = ifr.ifr_addr.sa_family = afp->af_af; 499 else 500 af = ifr.ifr_addr.sa_family = afs[0].af_af; 501 printall(NULL); 502 exit(0); 503 } 504 505 /* Make sure there's an interface name. */ 506 if (argc < 1) 507 usage(); 508 (void) strncpy(name, argv[0], sizeof(name)); 509 argc--; argv++; 510 511 /* 512 * NOTE: We must special-case the `create' command right 513 * here as we would otherwise fail in getinfo(). 514 */ 515 if (argc > 0 && strcmp(argv[0], "create") == 0) { 516 clone_create(argv[0], 0); 517 argc--, argv++; 518 if (argc == 0) 519 exit(0); 520 } 521 522 /* Check for address family. */ 523 afp = NULL; 524 if (argc > 0) { 525 afp = lookup_af(argv[0]); 526 if (afp != NULL) { 527 argv++; 528 argc--; 529 } 530 } 531 532 /* Initialize af, just for use in getinfo(). */ 533 if (afp == NULL) 534 af = afs->af_af; 535 else 536 af = afp->af_af; 537 538 /* Get information about the interface. */ 539 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 540 if (getinfo(&ifr) < 0) 541 exit(1); 542 543 if (sflag) { 544 if (argc != 0) 545 usage(); 546 else 547 exit(carrier()); 548 } 549 550 /* No more arguments means interface status. */ 551 if (argc == 0) { 552 printall(name); 553 exit(0); 554 } 555 556 /* The following operations assume inet family as the default. */ 557 if (afp == NULL) 558 afp = afs; 559 af = ifr.ifr_addr.sa_family = afp->af_af; 560 561#ifdef INET6 562 /* initialization */ 563 in6_addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; 564 in6_addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; 565#endif 566 567 /* Process commands. */ 568 while (argc > 0) { 569 const struct cmd *p; 570 571 for (p = cmds; p->c_name; p++) 572 if (strcmp(argv[0], p->c_name) == 0) 573 break; 574 if (p->c_name == 0 && setaddr) { 575 if ((flags & IFF_POINTOPOINT) == 0) { 576 errx(1, "can't set destination address %s", 577 "on non-point-to-point link"); 578 } 579 p++; /* got src, do dst */ 580 } 581 if (p->c_func != NULL || p->c_func2 != NULL) { 582 if (p->c_parameter == NEXTARG) { 583 if (argc < 2) 584 errx(1, "'%s' requires argument", 585 p->c_name); 586 (*p->c_func)(argv[1], 0); 587 argc--, argv++; 588 } else if (p->c_parameter == NEXTARG2) { 589 if (argc < 3) 590 errx(1, "'%s' requires 2 arguments", 591 p->c_name); 592 (*p->c_func2)(argv[1], argv[2]); 593 argc -= 2, argv += 2; 594 } else 595 (*p->c_func)(argv[0], p->c_parameter); 596 actions |= p->c_action; 597 } 598 argc--, argv++; 599 } 600 601 /* Process any media commands that may have been issued. */ 602 process_media_commands(); 603 604 if (af == AF_INET6 && explicit_prefix == 0) { 605 /* 606 * Aggregatable address architecture defines all prefixes 607 * are 64. So, it is convenient to set prefixlen to 64 if 608 * it is not specified. 609 */ 610 setifprefixlen("64", 0); 611 /* in6_getprefix("64", MASK) if MASK is available here... */ 612 } 613 614#ifndef INET_ONLY 615 if (af == AF_ISO) 616 adjust_nsellength(); 617 618 if (af == AF_APPLETALK) 619 checkatrange((struct sockaddr_at *) &addreq.ifra_addr); 620 621 if (setipdst && af==AF_NS) { 622 struct nsip_req rq; 623 int size = sizeof(rq); 624 625 rq.rq_ns = addreq.ifra_addr; 626 rq.rq_ip = addreq.ifra_dstaddr; 627 628 if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0) 629 warn("encapsulation routing"); 630 } 631 632#endif /* INET_ONLY */ 633 634 if (clearaddr) { 635 (void) strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name); 636 if (ioctl(s, afp->af_difaddr, afp->af_ridreq) < 0) 637 err(1, "SIOCDIFADDR"); 638 } 639 if (newaddr > 0) { 640 (void) strncpy(afp->af_addreq, name, sizeof ifr.ifr_name); 641 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) < 0) 642 warn("SIOCAIFADDR"); 643 } 644 645 if (g_ifcr_updated) { 646 (void) strncpy(g_ifcr.ifcr_name, name, 647 sizeof(g_ifcr.ifcr_name)); 648 if (ioctl(s, SIOCSIFCAP, (caddr_t) &g_ifcr) < 0) 649 err(1, "SIOCSIFCAP"); 650 } 651 652 if (reset_if_flags) { 653 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 654 ifreq.ifr_flags = flags; 655 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) < 0) 656 err(1, "SIOCSIFFLAGS"); 657 } 658 exit(0); 659} 660 661struct afswtch * 662lookup_af(cp) 663 const char *cp; 664{ 665 struct afswtch *a; 666 667 for (a = afs; a->af_name != NULL; a++) 668 if (strcmp(a->af_name, cp) == 0) 669 return (a); 670 return (NULL); 671} 672 673void 674getsock(naf) 675 int naf; 676{ 677 static int oaf = -1; 678 679 if (oaf == naf) 680 return; 681 if (oaf != -1) 682 close(s); 683 s = socket(naf, SOCK_DGRAM, 0); 684 if (s < 0) 685 oaf = -1; 686 else 687 oaf = naf; 688} 689 690int 691getinfo(ifr) 692 struct ifreq *ifr; 693{ 694 695 getsock(af); 696 if (s < 0) 697 err(1, "socket"); 698 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)ifr) < 0) { 699 warn("SIOCGIFFLAGS %s", ifr->ifr_name); 700 return (-1); 701 } 702 flags = ifr->ifr_flags; 703 if (ioctl(s, SIOCGIFMETRIC, (caddr_t)ifr) < 0) { 704 warn("SIOCGIFMETRIC %s", ifr->ifr_name); 705 metric = 0; 706 } else 707 metric = ifr->ifr_metric; 708 if (ioctl(s, SIOCGIFMTU, (caddr_t)ifr) < 0) 709 mtu = 0; 710 else 711 mtu = ifr->ifr_mtu; 712 713 memset(&g_ifcr, 0, sizeof(g_ifcr)); 714 strcpy(g_ifcr.ifcr_name, ifr->ifr_name); 715 (void) ioctl(s, SIOCGIFCAP, (caddr_t) &g_ifcr); 716 717 return (0); 718} 719 720void 721printall(ifname) 722 const char *ifname; 723{ 724 struct ifaddrs *ifap, *ifa; 725 struct ifreq ifr; 726 const struct sockaddr_dl *sdl = NULL; 727 int idx; 728 char *p; 729 730 if (getifaddrs(&ifap) != 0) 731 err(1, "getifaddrs"); 732 p = NULL; 733 idx = 0; 734 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 735 memset(&ifr, 0, sizeof(ifr)); 736 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 737 if (sizeof(ifr.ifr_addr) >= ifa->ifa_addr->sa_len) { 738 memcpy(&ifr.ifr_addr, ifa->ifa_addr, 739 ifa->ifa_addr->sa_len); 740 } 741 742 if (ifname && strcmp(ifname, ifa->ifa_name) != 0) 743 continue; 744 if (ifa->ifa_addr->sa_family == AF_LINK) 745 sdl = (const struct sockaddr_dl *) ifa->ifa_addr; 746 if (p && strcmp(p, ifa->ifa_name) == 0) 747 continue; 748 (void) strncpy(name, ifa->ifa_name, sizeof(name)); 749 name[sizeof(name) - 1] = '\0'; 750 p = ifa->ifa_name; 751 752 if (getinfo(&ifr) < 0) 753 continue; 754 if (bflag && (ifa->ifa_flags & (IFF_POINTOPOINT|IFF_LOOPBACK))) 755 continue; 756 if (dflag && (ifa->ifa_flags & IFF_UP) != 0) 757 continue; 758 if (uflag && (ifa->ifa_flags & IFF_UP) == 0) 759 continue; 760 761 if (sflag && carrier()) 762 continue; 763 idx++; 764 /* 765 * Are we just listing the interfaces? 766 */ 767 if (lflag) { 768 if (idx > 1) 769 putchar(' '); 770 fputs(name, stdout); 771 continue; 772 } 773 774 if (sdl == NULL) { 775 status(NULL, 0); 776 } else { 777 status(LLADDR(sdl), sdl->sdl_alen); 778 sdl = NULL; 779 } 780 } 781 if (lflag) 782 putchar('\n'); 783 freeifaddrs(ifap); 784} 785 786void 787list_cloners(void) 788{ 789 struct if_clonereq ifcr; 790 char *cp, *buf; 791 int idx; 792 793 memset(&ifcr, 0, sizeof(ifcr)); 794 795 getsock(AF_INET); 796 797 if (ioctl(s, SIOCIFGCLONERS, &ifcr) < 0) 798 err(1, "SIOCIFGCLONERS for count"); 799 800 buf = malloc(ifcr.ifcr_total * IFNAMSIZ); 801 if (buf == NULL) 802 err(1, "unable to allocate cloner name buffer"); 803 804 ifcr.ifcr_count = ifcr.ifcr_total; 805 ifcr.ifcr_buffer = buf; 806 807 if (ioctl(s, SIOCIFGCLONERS, &ifcr) < 0) 808 err(1, "SIOCIFGCLONERS for names"); 809 810 /* 811 * In case some disappeared in the mean time, clamp it down. 812 */ 813 if (ifcr.ifcr_count > ifcr.ifcr_total) 814 ifcr.ifcr_count = ifcr.ifcr_total; 815 816 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) { 817 if (idx > 0) 818 putchar(' '); 819 printf("%s", cp); 820 } 821 822 putchar('\n'); 823 free(buf); 824 return; 825} 826 827/*ARGSUSED*/ 828void 829clone_create(addr, param) 830 const char *addr; 831 int param; 832{ 833 834 /* We're called early... */ 835 getsock(AF_INET); 836 837 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 838 if (ioctl(s, SIOCIFCREATE, &ifr) < 0) 839 err(1, "SIOCIFCREATE"); 840} 841 842/*ARGSUSED*/ 843void 844clone_destroy(addr, param) 845 const char *addr; 846 int param; 847{ 848 849 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 850 if (ioctl(s, SIOCIFDESTROY, &ifr) < 0) 851 err(1, "SIOCIFDESTROY"); 852} 853 854#define RIDADDR 0 855#define ADDR 1 856#define MASK 2 857#define DSTADDR 3 858 859/*ARGSUSED*/ 860void 861setifaddr(addr, param) 862 const char *addr; 863 int param; 864{ 865 struct ifreq *ifr; /* XXX */ 866 867 /* 868 * Delay the ioctl to set the interface addr until flags are all set. 869 * The address interpretation may depend on the flags, 870 * and the flags may change when the address is set. 871 */ 872 setaddr++; 873 if (newaddr == -1) 874 newaddr = 1; 875 if (doalias == 0 && afp->af_gifaddr != 0) { 876 ifr = (struct ifreq *)afp->af_ridreq; 877 (void) strncpy(ifr->ifr_name, name, sizeof(ifr->ifr_name)); 878 ifr->ifr_addr.sa_family = afp->af_af; 879 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0) 880 clearaddr = 1; 881 else if (errno == EADDRNOTAVAIL) 882 /* No address was assigned yet. */ 883 ; 884 else 885 err(1, "SIOCGIFADDR"); 886 } 887 888 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 889} 890 891void 892settunnel(src, dst) 893 const char *src, *dst; 894{ 895 struct addrinfo hints, *srcres, *dstres; 896 int ecode; 897 struct if_laddrreq req; 898 899 memset(&hints, 0, sizeof(hints)); 900 hints.ai_family = afp->af_af; 901 hints.ai_socktype = SOCK_DGRAM; /*dummy*/ 902 903 if ((ecode = getaddrinfo(src, NULL, &hints, &srcres)) != 0) 904 errx(1, "error in parsing address string: %s", 905 gai_strerror(ecode)); 906 907 if ((ecode = getaddrinfo(dst, NULL, &hints, &dstres)) != 0) 908 errx(1, "error in parsing address string: %s", 909 gai_strerror(ecode)); 910 911 if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family) 912 errx(1, 913 "source and destination address families do not match"); 914 915 if (srcres->ai_addrlen > sizeof(req.addr) || 916 dstres->ai_addrlen > sizeof(req.dstaddr)) 917 errx(1, "invalid sockaddr"); 918 919 memset(&req, 0, sizeof(req)); 920 strncpy(req.iflr_name, name, sizeof(req.iflr_name)); 921 memcpy(&req.addr, srcres->ai_addr, srcres->ai_addrlen); 922 memcpy(&req.dstaddr, dstres->ai_addr, dstres->ai_addrlen); 923 924#ifdef INET6 925 if (req.addr.ss_family == AF_INET6) { 926 struct sockaddr_in6 *s, *d; 927 928 s = (struct sockaddr_in6 *)&req.addr; 929 d = (struct sockaddr_in6 *)&req.dstaddr; 930 if (s->sin6_scope_id != d->sin6_scope_id) { 931 errx(1, "scope mismatch"); 932 /* NOTREACHED */ 933 } 934#ifdef __KAME__ 935 /* embed scopeid */ 936 if (s->sin6_scope_id && 937 (IN6_IS_ADDR_LINKLOCAL(&s->sin6_addr) || 938 IN6_IS_ADDR_MC_LINKLOCAL(&s->sin6_addr))) { 939 *(u_int16_t *)&s->sin6_addr.s6_addr[2] = 940 htons(s->sin6_scope_id); 941 } 942 if (d->sin6_scope_id && 943 (IN6_IS_ADDR_LINKLOCAL(&d->sin6_addr) || 944 IN6_IS_ADDR_MC_LINKLOCAL(&d->sin6_addr))) { 945 *(u_int16_t *)&d->sin6_addr.s6_addr[2] = 946 htons(d->sin6_scope_id); 947 } 948#endif 949 } 950#endif 951 952 if (ioctl(s, SIOCSLIFPHYADDR, &req) < 0) 953 warn("SIOCSLIFPHYADDR"); 954 955 freeaddrinfo(srcres); 956 freeaddrinfo(dstres); 957} 958 959/* ARGSUSED */ 960void 961deletetunnel(vname, param) 962 const char *vname; 963 int param; 964{ 965 966 if (ioctl(s, SIOCDIFPHYADDR, &ifr) < 0) 967 err(1, "SIOCDIFPHYADDR"); 968} 969 970void setvlan(val, d) 971 const char *val; 972 int d; 973{ 974 struct vlanreq vlr; 975 976 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 977 !isdigit(ifr.ifr_name[4])) 978 errx(EXIT_FAILURE, 979 "``vlan'' valid only with vlan(4) interfaces"); 980 981 vlan_tag = atoi(val); 982 983 memset(&vlr, 0, sizeof(vlr)); 984 ifr.ifr_data = (caddr_t)&vlr; 985 986 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 987 err(EXIT_FAILURE, "SIOCGETVLAN"); 988 989 vlr.vlr_tag = vlan_tag; 990 991 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 992 err(EXIT_FAILURE, "SIOCSETVLAN"); 993} 994 995void setvlanif(val, d) 996 const char *val; 997 int d; 998{ 999 struct vlanreq vlr; 1000 1001 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1002 !isdigit(ifr.ifr_name[4])) 1003 errx(EXIT_FAILURE, 1004 "``vlanif'' valid only with vlan(4) interfaces"); 1005 1006 if (vlan_tag == (u_int)-1) 1007 errx(EXIT_FAILURE, 1008 "must specify both ``vlan'' and ``vlanif''"); 1009 1010 memset(&vlr, 0, sizeof(vlr)); 1011 ifr.ifr_data = (caddr_t)&vlr; 1012 1013 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1014 err(EXIT_FAILURE, "SIOCGETVLAN"); 1015 1016 strlcpy(vlr.vlr_parent, val, sizeof(vlr.vlr_parent)); 1017 vlr.vlr_tag = vlan_tag; 1018 1019 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1020 err(EXIT_FAILURE, "SIOCSETVLAN"); 1021} 1022 1023void unsetvlanif(val, d) 1024 const char *val; 1025 int d; 1026{ 1027 struct vlanreq vlr; 1028 1029 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1030 !isdigit(ifr.ifr_name[4])) 1031 errx(EXIT_FAILURE, 1032 "``vlanif'' valid only with vlan(4) interfaces"); 1033 1034 memset(&vlr, 0, sizeof(vlr)); 1035 ifr.ifr_data = (caddr_t)&vlr; 1036 1037 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1038 err(EXIT_FAILURE, "SIOCGETVLAN"); 1039 1040 vlr.vlr_parent[0] = '\0'; 1041 vlr.vlr_tag = 0; 1042 1043 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1044 err(EXIT_FAILURE, "SIOCSETVLAN"); 1045} 1046 1047void 1048setifnetmask(addr, d) 1049 const char *addr; 1050 int d; 1051{ 1052 (*afp->af_getaddr)(addr, MASK); 1053} 1054 1055void 1056setifbroadaddr(addr, d) 1057 const char *addr; 1058 int d; 1059{ 1060 (*afp->af_getaddr)(addr, DSTADDR); 1061} 1062 1063void 1064setifipdst(addr, d) 1065 const char *addr; 1066 int d; 1067{ 1068 in_getaddr(addr, DSTADDR); 1069 setipdst++; 1070 clearaddr = 0; 1071 newaddr = 0; 1072} 1073 1074#define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 1075/*ARGSUSED*/ 1076void 1077notealias(addr, param) 1078 const char *addr; 1079 int param; 1080{ 1081 if (setaddr && doalias == 0 && param < 0) 1082 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 1083 rqtosa(af_addreq)->sa_len); 1084 doalias = param; 1085 if (param < 0) { 1086 clearaddr = 1; 1087 newaddr = 0; 1088 } else 1089 clearaddr = 0; 1090} 1091 1092/*ARGSUSED*/ 1093void 1094notrailers(vname, value) 1095 const char *vname; 1096 int value; 1097{ 1098 puts("Note: trailers are no longer sent, but always received"); 1099} 1100 1101/*ARGSUSED*/ 1102void 1103setifdstaddr(addr, param) 1104 const char *addr; 1105 int param; 1106{ 1107 (*afp->af_getaddr)(addr, DSTADDR); 1108} 1109 1110void 1111setifflags(vname, value) 1112 const char *vname; 1113 int value; 1114{ 1115 struct ifreq ifreq; 1116 1117 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 1118 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifreq) < 0) 1119 err(1, "SIOCGIFFLAGS"); 1120 flags = ifreq.ifr_flags; 1121 1122 if (value < 0) { 1123 value = -value; 1124 flags &= ~value; 1125 } else 1126 flags |= value; 1127 ifreq.ifr_flags = flags; 1128 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) < 0) 1129 err(1, "SIOCSIFFLAGS"); 1130 1131 reset_if_flags = 1; 1132} 1133 1134void 1135setifcaps(vname, value) 1136 const char *vname; 1137 int value; 1138{ 1139 1140 if (value < 0) { 1141 value = -value; 1142 g_ifcr.ifcr_capenable &= ~value; 1143 } else 1144 g_ifcr.ifcr_capenable |= value; 1145 1146 g_ifcr_updated = 1; 1147} 1148 1149#ifdef INET6 1150void 1151setia6flags(vname, value) 1152 const char *vname; 1153 int value; 1154{ 1155 if (value < 0) { 1156 value = -value; 1157 in6_addreq.ifra_flags &= ~value; 1158 } else 1159 in6_addreq.ifra_flags |= value; 1160} 1161 1162void 1163setia6pltime(val, d) 1164 const char *val; 1165 int d; 1166{ 1167 setia6lifetime("pltime", val); 1168} 1169 1170void 1171setia6vltime(val, d) 1172 const char *val; 1173 int d; 1174{ 1175 setia6lifetime("vltime", val); 1176} 1177 1178void 1179setia6lifetime(cmd, val) 1180 const char *cmd; 1181 const char *val; 1182{ 1183 time_t newval, t; 1184 char *ep; 1185 1186 t = time(NULL); 1187 newval = (time_t)strtoul(val, &ep, 0); 1188 if (val == ep) 1189 errx(1, "invalid %s", cmd); 1190 if (afp->af_af != AF_INET6) 1191 errx(1, "%s not allowed for the AF", cmd); 1192 if (strcmp(cmd, "vltime") == 0) { 1193 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 1194 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 1195 } else if (strcmp(cmd, "pltime") == 0) { 1196 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 1197 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 1198 } 1199} 1200#endif 1201 1202void 1203setifmetric(val, d) 1204 const char *val; 1205 int d; 1206{ 1207 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1208 ifr.ifr_metric = atoi(val); 1209 if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) < 0) 1210 warn("SIOCSIFMETRIC"); 1211} 1212 1213void 1214setifmtu(val, d) 1215 const char *val; 1216 int d; 1217{ 1218 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1219 ifr.ifr_mtu = atoi(val); 1220 if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) < 0) 1221 warn("SIOCSIFMTU"); 1222} 1223 1224const char * 1225get_string(val, sep, buf, lenp) 1226 const char *val, *sep; 1227 u_int8_t *buf; 1228 int *lenp; 1229{ 1230 int len; 1231 int hexstr; 1232 u_int8_t *p; 1233 1234 len = *lenp; 1235 p = buf; 1236 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 1237 if (hexstr) 1238 val += 2; 1239 for (;;) { 1240 if (*val == '\0') 1241 break; 1242 if (sep != NULL && strchr(sep, *val) != NULL) { 1243 val++; 1244 break; 1245 } 1246 if (hexstr) { 1247 if (!isxdigit((u_char)val[0]) || 1248 !isxdigit((u_char)val[1])) { 1249 warnx("bad hexadecimal digits"); 1250 return NULL; 1251 } 1252 } 1253 if (p > buf + len) { 1254 if (hexstr) 1255 warnx("hexadecimal digits too long"); 1256 else 1257 warnx("strings too long"); 1258 return NULL; 1259 } 1260 if (hexstr) { 1261#define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 1262 *p++ = (tohex((u_char)val[0]) << 4) | 1263 tohex((u_char)val[1]); 1264#undef tohex 1265 val += 2; 1266 } else 1267 *p++ = *val++; 1268 } 1269 len = p - buf; 1270 if (len < *lenp) 1271 memset(p, 0, *lenp - len); 1272 *lenp = len; 1273 return val; 1274} 1275 1276void 1277print_string(buf, len) 1278 const u_int8_t *buf; 1279 int len; 1280{ 1281 int i; 1282 int hasspc; 1283 1284 i = 0; 1285 hasspc = 0; 1286 if (len < 2 || buf[0] != '0' || tolower(buf[1]) != 'x') { 1287 for (; i < len; i++) { 1288 if (!isprint(buf[i])) 1289 break; 1290 if (isspace(buf[i])) 1291 hasspc++; 1292 } 1293 } 1294 if (i == len) { 1295 if (hasspc || len == 0) 1296 printf("\"%.*s\"", len, buf); 1297 else 1298 printf("%.*s", len, buf); 1299 } else { 1300 printf("0x"); 1301 for (i = 0; i < len; i++) 1302 printf("%02x", buf[i]); 1303 } 1304} 1305 1306void 1307setifnwid(val, d) 1308 const char *val; 1309 int d; 1310{ 1311 struct ieee80211_nwid nwid; 1312 int len; 1313 1314 len = sizeof(nwid.i_nwid); 1315 if (get_string(val, NULL, nwid.i_nwid, &len) == NULL) 1316 return; 1317 nwid.i_len = len; 1318 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1319 ifr.ifr_data = (caddr_t)&nwid; 1320 if (ioctl(s, SIOCS80211NWID, (caddr_t)&ifr) < 0) 1321 warn("SIOCS80211NWID"); 1322} 1323 1324void 1325setifnwkey(val, d) 1326 const char *val; 1327 int d; 1328{ 1329 struct ieee80211_nwkey nwkey; 1330 int i; 1331 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1332 1333 nwkey.i_wepon = IEEE80211_NWKEY_WEP; 1334 nwkey.i_defkid = 1; 1335 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1336 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1337 nwkey.i_key[i].i_keydat = keybuf[i]; 1338 } 1339 if (d != 0) { 1340 /* disable WEP encryption */ 1341 nwkey.i_wepon = 0; 1342 i = 0; 1343 } else if (strcasecmp("persist", val) == 0) { 1344 /* use all values from persistent memory */ 1345 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1346 nwkey.i_defkid = 0; 1347 for (i = 0; i < IEEE80211_WEP_NKID; i++) 1348 nwkey.i_key[i].i_keylen = -1; 1349 } else if (strncasecmp("persist:", val, 8) == 0) { 1350 val += 8; 1351 /* program keys in persistent memory */ 1352 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1353 goto set_nwkey; 1354 } else { 1355 set_nwkey: 1356 if (isdigit(val[0]) && val[1] == ':') { 1357 /* specifying a full set of four keys */ 1358 nwkey.i_defkid = val[0] - '0'; 1359 val += 2; 1360 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1361 val = get_string(val, ",", keybuf[i], 1362 &nwkey.i_key[i].i_keylen); 1363 if (val == NULL) 1364 return; 1365 } 1366 if (*val != '\0') { 1367 warnx("SIOCS80211NWKEY: too many keys."); 1368 return; 1369 } 1370 } else { 1371 val = get_string(val, NULL, keybuf[0], 1372 &nwkey.i_key[0].i_keylen); 1373 if (val == NULL) 1374 return; 1375 i = 1; 1376 } 1377 } 1378 for (; i < IEEE80211_WEP_NKID; i++) 1379 nwkey.i_key[i].i_keylen = 0; 1380 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1381 if (ioctl(s, SIOCS80211NWKEY, (caddr_t)&nwkey) < 0) 1382 warn("SIOCS80211NWKEY"); 1383} 1384 1385void 1386setifpowersave(val, d) 1387 const char *val; 1388 int d; 1389{ 1390 struct ieee80211_power power; 1391 1392 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1393 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) < 0) { 1394 warn("SIOCG80211POWER"); 1395 return; 1396 } 1397 1398 power.i_enabled = d; 1399 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) < 0) 1400 warn("SIOCS80211POWER"); 1401} 1402 1403void 1404setifpowersavesleep(val, d) 1405 const char *val; 1406 int d; 1407{ 1408 struct ieee80211_power power; 1409 1410 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1411 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) < 0) { 1412 warn("SIOCG80211POWER"); 1413 return; 1414 } 1415 1416 power.i_maxsleep = atoi(val); 1417 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) < 0) 1418 warn("SIOCS80211POWER"); 1419} 1420 1421void 1422ieee80211_status() 1423{ 1424 int i, nwkey_verbose; 1425 struct ieee80211_nwid nwid; 1426 struct ieee80211_nwkey nwkey; 1427 struct ieee80211_power power; 1428 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1429 1430 memset(&ifr, 0, sizeof(ifr)); 1431 ifr.ifr_data = (caddr_t)&nwid; 1432 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1433 if (ioctl(s, SIOCG80211NWID, (caddr_t)&ifr) != 0) 1434 return; 1435 if (nwid.i_len > IEEE80211_NWID_LEN) { 1436 warnx("SIOCG80211NWID: wrong length of nwid (%d)", nwid.i_len); 1437 return; 1438 } 1439 printf("\tnwid "); 1440 print_string(nwid.i_nwid, nwid.i_len); 1441 memset(&nwkey, 0, sizeof(nwkey)); 1442 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1443 /* show nwkey only when WEP is enabled */ 1444 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) != 0 || 1445 nwkey.i_wepon == 0) { 1446 printf("\n"); 1447 goto skip_wep; 1448 } 1449 1450 printf(" nwkey "); 1451 /* try to retrieve WEP keys */ 1452 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1453 nwkey.i_key[i].i_keydat = keybuf[i]; 1454 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1455 } 1456 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) != 0) { 1457 printf("*****"); 1458 } else { 1459 nwkey_verbose = 0; 1460 /* check to see non default key or multiple keys defined */ 1461 if (nwkey.i_defkid != 1) { 1462 nwkey_verbose = 1; 1463 } else { 1464 for (i = 1; i < IEEE80211_WEP_NKID; i++) { 1465 if (nwkey.i_key[i].i_keylen != 0) { 1466 nwkey_verbose = 1; 1467 break; 1468 } 1469 } 1470 } 1471 /* check extra ambiguity with keywords */ 1472 if (!nwkey_verbose) { 1473 if (nwkey.i_key[0].i_keylen >= 2 && 1474 isdigit(nwkey.i_key[0].i_keydat[0]) && 1475 nwkey.i_key[0].i_keydat[1] == ':') 1476 nwkey_verbose = 1; 1477 else if (nwkey.i_key[0].i_keylen >= 7 && 1478 strncasecmp("persist", nwkey.i_key[0].i_keydat, 7) 1479 == 0) 1480 nwkey_verbose = 1; 1481 } 1482 if (nwkey_verbose) 1483 printf("%d:", nwkey.i_defkid); 1484 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1485 if (i > 0) 1486 printf(","); 1487 if (nwkey.i_key[i].i_keylen < 0) 1488 printf("persist"); 1489 else 1490 print_string(nwkey.i_key[i].i_keydat, 1491 nwkey.i_key[i].i_keylen); 1492 if (!nwkey_verbose) 1493 break; 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 1830#define IFCAPBITS \ 1831"\020\1IP4CSUM\2TCP4CSUM\3UDP4CSUM\4TCP6CSUM\5UDP6CSUM" 1832 1833const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1834 1835const struct ifmedia_status_description ifm_status_descriptions[] = 1836 IFM_STATUS_DESCRIPTIONS; 1837 1838/* 1839 * Print the status of the interface. If an address family was 1840 * specified, show it and it only; otherwise, show them all. 1841 */ 1842void 1843status(ap, alen) 1844 const u_int8_t *ap; 1845 int alen; 1846{ 1847 struct afswtch *p = afp; 1848 struct ifmediareq ifmr; 1849 int *media_list, i; 1850 1851 printf("%s: ", name); 1852 printb("flags", flags, IFFBITS); 1853 if (metric) 1854 printf(" metric %d", metric); 1855 if (mtu) 1856 printf(" mtu %d", mtu); 1857 putchar('\n'); 1858 1859 if (g_ifcr.ifcr_capabilities) { 1860 putchar('\t'); 1861 printb("capabilities", g_ifcr.ifcr_capabilities, IFCAPBITS); 1862 putchar('\n'); 1863 1864 putchar('\t'); 1865 printb("enabled", g_ifcr.ifcr_capenable, IFCAPBITS); 1866 putchar('\n'); 1867 } 1868 1869 ieee80211_status(); 1870 vlan_status(); 1871 tunnel_status(); 1872 1873 if (ap && alen > 0) { 1874 printf("\taddress:"); 1875 for (i = 0; i < alen; i++, ap++) 1876 printf("%c%02x", i > 0 ? ':' : ' ', *ap); 1877 putchar('\n'); 1878 } 1879 1880 (void) memset(&ifmr, 0, sizeof(ifmr)); 1881 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1882 1883 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1884 /* 1885 * Interface doesn't support SIOC{G,S}IFMEDIA. 1886 */ 1887 goto proto_status; 1888 } 1889 1890 if (ifmr.ifm_count == 0) { 1891 warnx("%s: no media types?", name); 1892 goto proto_status; 1893 } 1894 1895 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1896 if (media_list == NULL) 1897 err(1, "malloc"); 1898 ifmr.ifm_ulist = media_list; 1899 1900 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) 1901 err(1, "SIOCGIFMEDIA"); 1902 1903 printf("\tmedia: "); 1904 print_media_word(ifmr.ifm_current, 1, 0); 1905 if (ifmr.ifm_active != ifmr.ifm_current) { 1906 putchar(' '); 1907 putchar('('); 1908 print_media_word(ifmr.ifm_active, 0, 0); 1909 putchar(')'); 1910 } 1911 putchar('\n'); 1912 1913 if (ifmr.ifm_status & IFM_STATUS_VALID) { 1914 const struct ifmedia_status_description *ifms; 1915 int bitno, found = 0; 1916 1917 printf("\tstatus: "); 1918 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 1919 for (ifms = ifm_status_descriptions; 1920 ifms->ifms_valid != 0; ifms++) { 1921 if (ifms->ifms_type != 1922 IFM_TYPE(ifmr.ifm_current) || 1923 ifms->ifms_valid != 1924 ifm_status_valid_list[bitno]) 1925 continue; 1926 printf("%s%s", found ? ", " : "", 1927 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 1928 found = 1; 1929 1930 /* 1931 * For each valid indicator bit, there's 1932 * only one entry for each media type, so 1933 * terminate the inner loop now. 1934 */ 1935 break; 1936 } 1937 } 1938 1939 if (found == 0) 1940 printf("unknown"); 1941 putchar('\n'); 1942 } 1943 1944 if (mflag) { 1945 int type, printed_type; 1946 1947 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 1948 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 1949 if (IFM_TYPE(media_list[i]) == type) { 1950 if (printed_type == 0) { 1951 printf("\tsupported %s media:\n", 1952 get_media_type_string(type)); 1953 printed_type = 1; 1954 } 1955 printf("\t\t"); 1956 print_media_word(media_list[i], 0, 1); 1957 printf("\n"); 1958 } 1959 } 1960 } 1961 } 1962 1963 free(media_list); 1964 1965 proto_status: 1966 if ((p = afp) != NULL) { 1967 (*p->af_status)(1); 1968 } else for (p = afs; p->af_name; p++) { 1969 ifr.ifr_addr.sa_family = p->af_af; 1970 (*p->af_status)(0); 1971 } 1972} 1973 1974void 1975tunnel_status() 1976{ 1977 char psrcaddr[NI_MAXHOST]; 1978 char pdstaddr[NI_MAXHOST]; 1979 const char *ver = ""; 1980#ifdef NI_WITHSCOPEID 1981 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 1982#else 1983 const int niflag = NI_NUMERICHOST; 1984#endif 1985 struct if_laddrreq req; 1986 1987 psrcaddr[0] = pdstaddr[0] = '\0'; 1988 1989 memset(&req, 0, sizeof(req)); 1990 strncpy(req.iflr_name, name, IFNAMSIZ); 1991 if (ioctl(s, SIOCGLIFPHYADDR, (caddr_t)&req) < 0) 1992 return; 1993#ifdef INET6 1994 if (req.addr.ss_family == AF_INET6) 1995 in6_fillscopeid((struct sockaddr_in6 *)&req.addr); 1996#endif 1997 getnameinfo((struct sockaddr *)&req.addr, req.addr.ss_len, 1998 psrcaddr, sizeof(psrcaddr), 0, 0, niflag); 1999#ifdef INET6 2000 if (req.addr.ss_family == AF_INET6) 2001 ver = "6"; 2002#endif 2003 2004#ifdef INET6 2005 if (req.dstaddr.ss_family == AF_INET6) 2006 in6_fillscopeid((struct sockaddr_in6 *)&req.dstaddr); 2007#endif 2008 getnameinfo((struct sockaddr *)&req.dstaddr, req.dstaddr.ss_len, 2009 pdstaddr, sizeof(pdstaddr), 0, 0, niflag); 2010 2011 printf("\ttunnel inet%s %s --> %s\n", ver, psrcaddr, pdstaddr); 2012} 2013 2014void 2015vlan_status() 2016{ 2017 struct vlanreq vlr; 2018 2019 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 2020 !isdigit(ifr.ifr_name[4])) 2021 return; 2022 2023 memset(&vlr, 0, sizeof(vlr)); 2024 ifr.ifr_data = (caddr_t)&vlr; 2025 2026 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 2027 return; 2028 2029 if (vlr.vlr_tag || vlr.vlr_parent[0] != '\0') 2030 printf("\tvlan: %d parent: %s\n", 2031 vlr.vlr_tag, vlr.vlr_parent[0] == '\0' ? 2032 "<none>" : vlr.vlr_parent); 2033} 2034 2035void 2036in_alias(creq) 2037 struct ifreq *creq; 2038{ 2039 struct sockaddr_in *sin; 2040 int alias; 2041 2042 if (lflag) 2043 return; 2044 2045 alias = 1; 2046 2047 /* Get the non-alias address for this interface. */ 2048 getsock(AF_INET); 2049 if (s < 0) { 2050 if (errno == EPROTONOSUPPORT) 2051 return; 2052 err(1, "socket"); 2053 } 2054 (void) memset(&ifr, 0, sizeof(ifr)); 2055 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2056 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 2057 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2058 return; 2059 } else 2060 warn("SIOCGIFADDR"); 2061 } 2062 /* If creq and ifr are the same address, this is not an alias. */ 2063 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 2064 sizeof(creq->ifr_addr)) == 0) 2065 alias = 0; 2066 (void) memset(&addreq, 0, sizeof(addreq)); 2067 (void) strncpy(addreq.ifra_name, name, sizeof(addreq.ifra_name)); 2068 addreq.ifra_addr = creq->ifr_addr; 2069 if (ioctl(s, SIOCGIFALIAS, (caddr_t)&addreq) < 0) { 2070 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2071 return; 2072 } else 2073 warn("SIOCGIFALIAS"); 2074 } 2075 2076 sin = (struct sockaddr_in *)&addreq.ifra_addr; 2077 printf("\tinet %s%s", alias ? "alias " : "", inet_ntoa(sin->sin_addr)); 2078 2079 if (flags & IFF_POINTOPOINT) { 2080 sin = (struct sockaddr_in *)&addreq.ifra_dstaddr; 2081 printf(" -> %s", inet_ntoa(sin->sin_addr)); 2082 } 2083 2084 sin = (struct sockaddr_in *)&addreq.ifra_mask; 2085 printf(" netmask 0x%x", ntohl(sin->sin_addr.s_addr)); 2086 2087 if (flags & IFF_BROADCAST) { 2088 sin = (struct sockaddr_in *)&addreq.ifra_broadaddr; 2089 printf(" broadcast %s", inet_ntoa(sin->sin_addr)); 2090 } 2091 printf("\n"); 2092} 2093 2094void 2095in_status(force) 2096 int force; 2097{ 2098 struct ifaddrs *ifap, *ifa; 2099 struct ifreq ifr; 2100 2101 if (getifaddrs(&ifap) != 0) 2102 err(1, "getifaddrs"); 2103 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2104 if (strcmp(name, ifa->ifa_name) != 0) 2105 continue; 2106 if (ifa->ifa_addr->sa_family != AF_INET) 2107 continue; 2108 if (sizeof(ifr.ifr_addr) < ifa->ifa_addr->sa_len) 2109 continue; 2110 2111 memset(&ifr, 0, sizeof(ifr)); 2112 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 2113 memcpy(&ifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2114 in_alias(&ifr); 2115 } 2116 freeifaddrs(ifap); 2117} 2118 2119void 2120setifprefixlen(addr, d) 2121 const char *addr; 2122 int d; 2123{ 2124 if (*afp->af_getprefix) 2125 (*afp->af_getprefix)(addr, MASK); 2126 explicit_prefix = 1; 2127} 2128 2129#ifdef INET6 2130void 2131in6_fillscopeid(sin6) 2132 struct sockaddr_in6 *sin6; 2133{ 2134#if defined(__KAME__) && defined(KAME_SCOPEID) 2135 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 2136 sin6->sin6_scope_id = 2137 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 2138 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 2139 } 2140#endif 2141} 2142 2143/* XXX not really an alias */ 2144void 2145in6_alias(creq) 2146 struct in6_ifreq *creq; 2147{ 2148 struct sockaddr_in6 *sin6; 2149 char hbuf[NI_MAXHOST]; 2150 u_int32_t scopeid; 2151#ifdef NI_WITHSCOPEID 2152 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 2153#else 2154 const int niflag = NI_NUMERICHOST; 2155#endif 2156 2157 /* Get the non-alias address for this interface. */ 2158 getsock(AF_INET6); 2159 if (s < 0) { 2160 if (errno == EPROTONOSUPPORT) 2161 return; 2162 err(1, "socket"); 2163 } 2164 2165 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 2166 2167 in6_fillscopeid(sin6); 2168 scopeid = sin6->sin6_scope_id; 2169 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2170 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2171 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2172 printf("\tinet6 %s", hbuf); 2173 2174 if (flags & IFF_POINTOPOINT) { 2175 (void) memset(&ifr6, 0, sizeof(ifr6)); 2176 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2177 ifr6.ifr_addr = creq->ifr_addr; 2178 if (ioctl(s, SIOCGIFDSTADDR_IN6, (caddr_t)&ifr6) < 0) { 2179 if (errno != EADDRNOTAVAIL) 2180 warn("SIOCGIFDSTADDR_IN6"); 2181 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 2182 ifr6.ifr_addr.sin6_family = AF_INET6; 2183 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 2184 } 2185 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2186 in6_fillscopeid(sin6); 2187 hbuf[0] = '\0'; 2188 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2189 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2190 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2191 printf(" -> %s", hbuf); 2192 } 2193 2194 (void) memset(&ifr6, 0, sizeof(ifr6)); 2195 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2196 ifr6.ifr_addr = creq->ifr_addr; 2197 if (ioctl(s, SIOCGIFNETMASK_IN6, (caddr_t)&ifr6) < 0) { 2198 if (errno != EADDRNOTAVAIL) 2199 warn("SIOCGIFNETMASK_IN6"); 2200 } else { 2201 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2202 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 2203 sizeof(struct in6_addr))); 2204 } 2205 2206 (void) memset(&ifr6, 0, sizeof(ifr6)); 2207 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2208 ifr6.ifr_addr = creq->ifr_addr; 2209 if (ioctl(s, SIOCGIFAFLAG_IN6, (caddr_t)&ifr6) < 0) { 2210 if (errno != EADDRNOTAVAIL) 2211 warn("SIOCGIFAFLAG_IN6"); 2212 } else { 2213 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 2214 printf(" anycast"); 2215 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 2216 printf(" tentative"); 2217 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 2218 printf(" duplicated"); 2219 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 2220 printf(" detached"); 2221 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DEPRECATED) 2222 printf(" deprecated"); 2223 } 2224 2225 if (scopeid) 2226 printf(" scopeid 0x%x", scopeid); 2227 2228 if (Lflag) { 2229 struct in6_addrlifetime *lifetime; 2230 (void) memset(&ifr6, 0, sizeof(ifr6)); 2231 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2232 ifr6.ifr_addr = creq->ifr_addr; 2233 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 2234 if (ioctl(s, SIOCGIFALIFETIME_IN6, (caddr_t)&ifr6) < 0) { 2235 if (errno != EADDRNOTAVAIL) 2236 warn("SIOCGIFALIFETIME_IN6"); 2237 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 2238 time_t t = time(NULL); 2239 printf(" pltime "); 2240 if (lifetime->ia6t_preferred) { 2241 printf("%s", lifetime->ia6t_preferred < t 2242 ? "0" 2243 : sec2str(lifetime->ia6t_preferred - t)); 2244 } else 2245 printf("infty"); 2246 2247 printf(" vltime "); 2248 if (lifetime->ia6t_expire) { 2249 printf("%s", lifetime->ia6t_expire < t 2250 ? "0" 2251 : sec2str(lifetime->ia6t_expire - t)); 2252 } else 2253 printf("infty"); 2254 } 2255 } 2256 2257 printf("\n"); 2258} 2259 2260void 2261in6_status(force) 2262 int force; 2263{ 2264 struct ifaddrs *ifap, *ifa; 2265 struct in6_ifreq ifr; 2266 2267 if (getifaddrs(&ifap) != 0) 2268 err(1, "getifaddrs"); 2269 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2270 if (strcmp(name, ifa->ifa_name) != 0) 2271 continue; 2272 if (ifa->ifa_addr->sa_family != AF_INET6) 2273 continue; 2274 if (sizeof(ifr.ifr_addr) < ifa->ifa_addr->sa_len) 2275 continue; 2276 2277 memset(&ifr, 0, sizeof(ifr)); 2278 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 2279 memcpy(&ifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2280 in6_alias(&ifr); 2281 } 2282 freeifaddrs(ifap); 2283} 2284#endif /*INET6*/ 2285 2286#ifndef INET_ONLY 2287 2288void 2289at_status(force) 2290 int force; 2291{ 2292 struct sockaddr_at *sat, null_sat; 2293 struct netrange *nr; 2294 2295 getsock(AF_APPLETALK); 2296 if (s < 0) { 2297 if (errno == EPROTONOSUPPORT) 2298 return; 2299 err(1, "socket"); 2300 } 2301 (void) memset(&ifr, 0, sizeof(ifr)); 2302 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2303 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 2304 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2305 if (!force) 2306 return; 2307 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2308 } else 2309 warn("SIOCGIFADDR"); 2310 } 2311 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2312 sat = (struct sockaddr_at *)&ifr.ifr_addr; 2313 2314 (void) memset(&null_sat, 0, sizeof(null_sat)); 2315 2316 nr = (struct netrange *) &sat->sat_zero; 2317 printf("\tatalk %d.%d range %d-%d phase %d", 2318 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2319 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 2320 if (flags & IFF_POINTOPOINT) { 2321 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 2322 if (errno == EADDRNOTAVAIL) 2323 (void) memset(&ifr.ifr_addr, 0, 2324 sizeof(ifr.ifr_addr)); 2325 else 2326 warn("SIOCGIFDSTADDR"); 2327 } 2328 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2329 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 2330 if (!sat) 2331 sat = &null_sat; 2332 printf("--> %d.%d", 2333 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 2334 } 2335 if (flags & IFF_BROADCAST) { 2336 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 2337 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 2338 if (sat) 2339 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 2340 sat->sat_addr.s_node); 2341 } 2342 putchar('\n'); 2343} 2344 2345void 2346xns_status(force) 2347 int force; 2348{ 2349 struct sockaddr_ns *sns; 2350 2351 getsock(AF_NS); 2352 if (s < 0) { 2353 if (errno == EPROTONOSUPPORT) 2354 return; 2355 err(1, "socket"); 2356 } 2357 (void) memset(&ifr, 0, sizeof(ifr)); 2358 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2359 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 2360 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2361 if (!force) 2362 return; 2363 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2364 } else 2365 warn("SIOCGIFADDR"); 2366 } 2367 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2368 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 2369 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 2370 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 2371 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 2372 if (errno == EADDRNOTAVAIL) 2373 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2374 else 2375 warn("SIOCGIFDSTADDR"); 2376 } 2377 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2378 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 2379 printf("--> %s ", ns_ntoa(sns->sns_addr)); 2380 } 2381 putchar('\n'); 2382} 2383 2384void 2385iso_status(force) 2386 int force; 2387{ 2388 struct sockaddr_iso *siso; 2389 struct iso_ifreq ifr; 2390 2391 getsock(AF_ISO); 2392 if (s < 0) { 2393 if (errno == EPROTONOSUPPORT) 2394 return; 2395 err(1, "socket"); 2396 } 2397 (void) memset(&ifr, 0, sizeof(ifr)); 2398 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2399 if (ioctl(s, SIOCGIFADDR_ISO, (caddr_t)&ifr) < 0) { 2400 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2401 if (!force) 2402 return; 2403 (void) memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2404 } else 2405 warn("SIOCGIFADDR_ISO"); 2406 } 2407 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2408 siso = &ifr.ifr_Addr; 2409 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 2410 if (ioctl(s, SIOCGIFNETMASK_ISO, (caddr_t)&ifr) < 0) { 2411 if (errno == EADDRNOTAVAIL) 2412 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2413 else 2414 warn("SIOCGIFNETMASK_ISO"); 2415 } else { 2416 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 2417 siso->siso_addr.isoa_len = siso->siso_len 2418 - offsetof(struct sockaddr_iso, siso_addr); 2419 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 2420 } 2421 if (flags & IFF_POINTOPOINT) { 2422 if (ioctl(s, SIOCGIFDSTADDR_ISO, (caddr_t)&ifr) < 0) { 2423 if (errno == EADDRNOTAVAIL) 2424 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2425 else 2426 warn("SIOCGIFDSTADDR_ISO"); 2427 } 2428 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2429 siso = &ifr.ifr_Addr; 2430 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 2431 } 2432 putchar('\n'); 2433} 2434 2435#endif /* INET_ONLY */ 2436 2437#define SIN(x) ((struct sockaddr_in *) &(x)) 2438struct sockaddr_in *sintab[] = { 2439SIN(ridreq.ifr_addr), SIN(addreq.ifra_addr), 2440SIN(addreq.ifra_mask), SIN(addreq.ifra_broadaddr)}; 2441 2442void 2443in_getaddr(s, which) 2444 const char *s; 2445 int which; 2446{ 2447 struct sockaddr_in *sin = sintab[which]; 2448 struct hostent *hp; 2449 struct netent *np; 2450 2451 sin->sin_len = sizeof(*sin); 2452 if (which != MASK) 2453 sin->sin_family = AF_INET; 2454 2455 if (which == ADDR) { 2456 char *p = NULL; 2457 if ((p = strrchr(s, '/')) != NULL) { 2458 *p = '\0'; 2459 in_getprefix(p + 1, MASK); 2460 } 2461 } 2462 2463 if (inet_aton(s, &sin->sin_addr) == 0) { 2464 if ((hp = gethostbyname(s)) != NULL) 2465 (void) memcpy(&sin->sin_addr, hp->h_addr, hp->h_length); 2466 else if ((np = getnetbyname(s)) != NULL) 2467 sin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 2468 else 2469 errx(1, "%s: bad value", s); 2470 } 2471} 2472 2473void 2474in_getprefix(plen, which) 2475 const char *plen; 2476 int which; 2477{ 2478 register struct sockaddr_in *sin = sintab[which]; 2479 register u_char *cp; 2480 int len = strtol(plen, (char **)NULL, 10); 2481 2482 if ((len < 0) || (len > 32)) 2483 errx(1, "%s: bad value", plen); 2484 sin->sin_len = sizeof(*sin); 2485 if (which != MASK) 2486 sin->sin_family = AF_INET; 2487 if ((len == 0) || (len == 32)) { 2488 memset(&sin->sin_addr, 0xff, sizeof(struct in_addr)); 2489 return; 2490 } 2491 memset((void *)&sin->sin_addr, 0x00, sizeof(sin->sin_addr)); 2492 for (cp = (u_char *)&sin->sin_addr; len > 7; len -= 8) 2493 *cp++ = 0xff; 2494 if (len) 2495 *cp = 0xff << (8 - len); 2496} 2497 2498/* 2499 * Print a value a la the %b format of the kernel's printf 2500 */ 2501void 2502printb(s, v, bits) 2503 const char *s; 2504 unsigned short v; 2505 const char *bits; 2506{ 2507 int i, any = 0; 2508 char c; 2509 2510 if (bits && *bits == 8) 2511 printf("%s=%o", s, v); 2512 else 2513 printf("%s=%x", s, v); 2514 bits++; 2515 if (bits) { 2516 putchar('<'); 2517 while ((i = *bits++) != 0) { 2518 if (v & (1 << (i-1))) { 2519 if (any) 2520 putchar(','); 2521 any = 1; 2522 for (; (c = *bits) > 32; bits++) 2523 putchar(c); 2524 } else 2525 for (; *bits > 32; bits++) 2526 ; 2527 } 2528 putchar('>'); 2529 } 2530} 2531 2532#ifdef INET6 2533#define SIN6(x) ((struct sockaddr_in6 *) &(x)) 2534struct sockaddr_in6 *sin6tab[] = { 2535SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 2536SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 2537 2538void 2539in6_getaddr(s, which) 2540 const char *s; 2541 int which; 2542{ 2543#if defined(__KAME__) && defined(KAME_SCOPEID) 2544 struct sockaddr_in6 *sin6 = sin6tab[which]; 2545 struct addrinfo hints, *res; 2546 int error; 2547 2548 memset(&hints, 0, sizeof(hints)); 2549 hints.ai_family = AF_INET6; 2550 hints.ai_socktype = SOCK_DGRAM; 2551#if 0 /* in_getaddr() allows FQDN */ 2552 hints.ai_flags = AI_NUMERICHOST; 2553#endif 2554 error = getaddrinfo(s, "0", &hints, &res); 2555 if (error) 2556 errx(1, "%s: %s", s, gai_strerror(error)); 2557 if (res->ai_next) 2558 errx(1, "%s: resolved to multiple hosts", s); 2559 if (res->ai_addrlen != sizeof(struct sockaddr_in6)) 2560 errx(1, "%s: bad value", s); 2561 memcpy(sin6, res->ai_addr, res->ai_addrlen); 2562 freeaddrinfo(res); 2563 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) { 2564 *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = 2565 htons(sin6->sin6_scope_id); 2566 sin6->sin6_scope_id = 0; 2567 } 2568#else 2569 struct sockaddr_in6 *sin = sin6tab[which]; 2570 2571 sin->sin6_len = sizeof(*sin); 2572 if (which != MASK) 2573 sin->sin6_family = AF_INET6; 2574 2575 if (which == ADDR) { 2576 char *p = NULL; 2577 if((p = strrchr(s, '/')) != NULL) { 2578 *p = '\0'; 2579 in6_getprefix(p + 1, MASK); 2580 explicit_prefix = 1; 2581 } 2582 } 2583 2584 if (inet_pton(AF_INET6, s, &sin->sin6_addr) != 1) 2585 errx(1, "%s: bad value", s); 2586#endif 2587} 2588 2589void 2590in6_getprefix(plen, which) 2591 const char *plen; 2592 int which; 2593{ 2594 register struct sockaddr_in6 *sin = sin6tab[which]; 2595 register u_char *cp; 2596 int len = strtol(plen, (char **)NULL, 10); 2597 2598 if ((len < 0) || (len > 128)) 2599 errx(1, "%s: bad value", plen); 2600 sin->sin6_len = sizeof(*sin); 2601 if (which != MASK) 2602 sin->sin6_family = AF_INET6; 2603 if ((len == 0) || (len == 128)) { 2604 memset(&sin->sin6_addr, 0xff, sizeof(struct in6_addr)); 2605 return; 2606 } 2607 memset((void *)&sin->sin6_addr, 0x00, sizeof(sin->sin6_addr)); 2608 for (cp = (u_char *)&sin->sin6_addr; len > 7; len -= 8) 2609 *cp++ = 0xff; 2610 if (len) 2611 *cp = 0xff << (8 - len); 2612} 2613 2614int 2615prefix(val, size) 2616 void *val; 2617 int size; 2618{ 2619 register u_char *name = (u_char *)val; 2620 register int byte, bit, plen = 0; 2621 2622 for (byte = 0; byte < size; byte++, plen += 8) 2623 if (name[byte] != 0xff) 2624 break; 2625 if (byte == size) 2626 return (plen); 2627 for (bit = 7; bit != 0; bit--, plen++) 2628 if (!(name[byte] & (1 << bit))) 2629 break; 2630 for (; bit != 0; bit--) 2631 if (name[byte] & (1 << bit)) 2632 return(0); 2633 byte++; 2634 for (; byte < size; byte++) 2635 if (name[byte]) 2636 return(0); 2637 return (plen); 2638} 2639#endif /*INET6*/ 2640 2641#ifndef INET_ONLY 2642void 2643at_getaddr(addr, which) 2644 const char *addr; 2645 int which; 2646{ 2647 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 2648 u_int net, node; 2649 2650 sat->sat_family = AF_APPLETALK; 2651 sat->sat_len = sizeof(*sat); 2652 if (which == MASK) 2653 errx(1, "AppleTalk does not use netmasks\n"); 2654 if (sscanf(addr, "%u.%u", &net, &node) != 2 2655 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 2656 errx(1, "%s: illegal address", addr); 2657 sat->sat_addr.s_net = htons(net); 2658 sat->sat_addr.s_node = node; 2659} 2660 2661void 2662setatrange(range, d) 2663 const char *range; 2664 int d; 2665{ 2666 u_short first = 123, last = 123; 2667 2668 if (sscanf(range, "%hu-%hu", &first, &last) != 2 2669 || first == 0 || first > 0xffff 2670 || last == 0 || last > 0xffff || first > last) 2671 errx(1, "%s: illegal net range: %u-%u", range, first, last); 2672 at_nr.nr_firstnet = htons(first); 2673 at_nr.nr_lastnet = htons(last); 2674} 2675 2676void 2677setatphase(phase, d) 2678 const char *phase; 2679 int d; 2680{ 2681 if (!strcmp(phase, "1")) 2682 at_nr.nr_phase = 1; 2683 else if (!strcmp(phase, "2")) 2684 at_nr.nr_phase = 2; 2685 else 2686 errx(1, "%s: illegal phase", phase); 2687} 2688 2689void 2690checkatrange(sat) 2691 struct sockaddr_at *sat; 2692{ 2693 if (at_nr.nr_phase == 0) 2694 at_nr.nr_phase = 2; /* Default phase 2 */ 2695 if (at_nr.nr_firstnet == 0) 2696 at_nr.nr_firstnet = /* Default range of one */ 2697 at_nr.nr_lastnet = sat->sat_addr.s_net; 2698 printf("\tatalk %d.%d range %d-%d phase %d\n", 2699 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2700 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 2701 if ((u_short) ntohs(at_nr.nr_firstnet) > 2702 (u_short) ntohs(sat->sat_addr.s_net) 2703 || (u_short) ntohs(at_nr.nr_lastnet) < 2704 (u_short) ntohs(sat->sat_addr.s_net)) 2705 errx(1, "AppleTalk address is not in range"); 2706 *((struct netrange *) &sat->sat_zero) = at_nr; 2707} 2708 2709#define SNS(x) ((struct sockaddr_ns *) &(x)) 2710struct sockaddr_ns *snstab[] = { 2711SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 2712SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 2713 2714void 2715xns_getaddr(addr, which) 2716 const char *addr; 2717 int which; 2718{ 2719 struct sockaddr_ns *sns = snstab[which]; 2720 2721 sns->sns_family = AF_NS; 2722 sns->sns_len = sizeof(*sns); 2723 sns->sns_addr = ns_addr(addr); 2724 if (which == MASK) 2725 puts("Attempt to set XNS netmask will be ineffectual"); 2726} 2727 2728#define SISO(x) ((struct sockaddr_iso *) &(x)) 2729struct sockaddr_iso *sisotab[] = { 2730SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 2731SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 2732 2733void 2734iso_getaddr(addr, which) 2735 const char *addr; 2736 int which; 2737{ 2738 struct sockaddr_iso *siso = sisotab[which]; 2739 siso->siso_addr = *iso_addr(addr); 2740 2741 if (which == MASK) { 2742 siso->siso_len = TSEL(siso) - (caddr_t)(siso); 2743 siso->siso_nlen = 0; 2744 } else { 2745 siso->siso_len = sizeof(*siso); 2746 siso->siso_family = AF_ISO; 2747 } 2748} 2749 2750void 2751setsnpaoffset(val, d) 2752 const char *val; 2753 int d; 2754{ 2755 iso_addreq.ifra_snpaoffset = atoi(val); 2756} 2757 2758void 2759setnsellength(val, d) 2760 const char *val; 2761 int d; 2762{ 2763 nsellength = atoi(val); 2764 if (nsellength < 0) 2765 errx(1, "Negative NSEL length is absurd"); 2766 if (afp == 0 || afp->af_af != AF_ISO) 2767 errx(1, "Setting NSEL length valid only for iso"); 2768} 2769 2770void 2771fixnsel(s) 2772 struct sockaddr_iso *s; 2773{ 2774 if (s->siso_family == 0) 2775 return; 2776 s->siso_tlen = nsellength; 2777} 2778 2779void 2780adjust_nsellength() 2781{ 2782 fixnsel(sisotab[RIDADDR]); 2783 fixnsel(sisotab[ADDR]); 2784 fixnsel(sisotab[DSTADDR]); 2785} 2786 2787#endif /* INET_ONLY */ 2788 2789void 2790usage() 2791{ 2792 const char *progname = getprogname(); 2793 2794 fprintf(stderr, 2795 "usage: %s [ -m ] " 2796#ifdef INET6 2797 "[ -L ] " 2798#endif 2799 "interface\n" 2800 "\t[ af [ address [ dest_addr ] ] [ netmask mask ] [ prefixlen n ]\n" 2801 "\t\t[ alias | -alias ] ]\n" 2802 "\t[ up ] [ down ] [ metric n ] [ mtu n ]\n" 2803 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n" 2804 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n" 2805 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n" 2806 "\t[ arp | -arp ]\n" 2807 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] " 2808 "[ instance minst ]\n" 2809 "\t[ vlan n vlanif i ]\n" 2810 "\t[ anycast | -anycast ] [ deprecated | -deprecated ]\n" 2811 "\t[ tentative | -tentative ] [ pltime n ] [ vltime n ]\n" 2812 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" 2813 " %s -a [ -m ] [ -d ] [ -u ] [ af ]\n" 2814 " %s -l [ -b ] [ -d ] [ -u ] [ -s ]\n" 2815 " %s -C\n" 2816 " %s interface create\n" 2817 " %s interface destroy\n", 2818 progname, progname, progname, progname, progname, progname); 2819 exit(1); 2820} 2821 2822#ifdef INET6 2823char * 2824sec2str(total) 2825 time_t total; 2826{ 2827 static char result[256]; 2828 int days, hours, mins, secs; 2829 int first = 1; 2830 char *p = result; 2831 2832 if (0) { /*XXX*/ 2833 days = total / 3600 / 24; 2834 hours = (total / 3600) % 24; 2835 mins = (total / 60) % 60; 2836 secs = total % 60; 2837 2838 if (days) { 2839 first = 0; 2840 p += sprintf(p, "%dd", days); 2841 } 2842 if (!first || hours) { 2843 first = 0; 2844 p += sprintf(p, "%dh", hours); 2845 } 2846 if (!first || mins) { 2847 first = 0; 2848 p += sprintf(p, "%dm", mins); 2849 } 2850 sprintf(p, "%ds", secs); 2851 } else 2852 sprintf(p, "%lu", (u_long)total); 2853 2854 return(result); 2855} 2856#endif 2857