ifconfig.c revision 1.143
1/* $NetBSD: ifconfig.c,v 1.143 2004/07/27 14:25:19 yamt 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. Neither the name of the University nor the names of its contributors 53 * may be used to endorse or promote products derived from this software 54 * without specific prior written permission. 55 * 56 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 57 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 58 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 59 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 60 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 61 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 62 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 63 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 64 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 65 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 66 * SUCH DAMAGE. 67 */ 68 69#include <sys/cdefs.h> 70#ifndef lint 71__COPYRIGHT("@(#) Copyright (c) 1983, 1993\n\ 72 The Regents of the University of California. All rights reserved.\n"); 73#endif /* not lint */ 74 75#ifndef lint 76#if 0 77static char sccsid[] = "@(#)ifconfig.c 8.2 (Berkeley) 2/16/94"; 78#else 79__RCSID("$NetBSD: ifconfig.c,v 1.143 2004/07/27 14:25:19 yamt Exp $"); 80#endif 81#endif /* not lint */ 82 83#include <sys/param.h> 84#include <sys/socket.h> 85#include <sys/ioctl.h> 86 87#include <net/if.h> 88#include <net/if_dl.h> 89#include <net/if_media.h> 90#include <net/if_ether.h> 91#include <net80211/ieee80211.h> 92#include <net80211/ieee80211_ioctl.h> 93#include <net/if_vlanvar.h> 94#include <netinet/in.h> 95#include <netinet/in_var.h> 96#ifdef INET6 97#include <netinet6/nd6.h> 98#endif 99#include <arpa/inet.h> 100 101#include <netatalk/at.h> 102 103#define NSIP 104#include <netns/ns.h> 105#include <netns/ns_if.h> 106#include <netdb.h> 107 108#define EON 109#include <netiso/iso.h> 110#include <netiso/iso_var.h> 111#include <sys/protosw.h> 112 113#include <ctype.h> 114#include <err.h> 115#include <errno.h> 116#include <stddef.h> 117#include <stdio.h> 118#include <stdlib.h> 119#include <string.h> 120#include <unistd.h> 121#include <ifaddrs.h> 122#include <util.h> 123 124struct ifreq ifr, ridreq; 125struct ifaliasreq addreq __attribute__((aligned(4))); 126struct in_aliasreq in_addreq; 127#ifdef INET6 128struct in6_ifreq ifr6; 129struct in6_ifreq in6_ridreq; 130struct in6_aliasreq in6_addreq; 131#endif 132struct iso_ifreq iso_ridreq; 133struct iso_aliasreq iso_addreq; 134struct sockaddr_in netmask; 135struct netrange at_nr; /* AppleTalk net range */ 136 137char name[30]; 138u_short flags; 139int setaddr, setipdst, doalias; 140u_long metric, mtu; 141int clearaddr, s; 142int newaddr = -1; 143int conflicting = 0; 144int nsellength = 1; 145int af; 146int aflag, bflag, Cflag, dflag, lflag, mflag, sflag, uflag, vflag, zflag; 147#ifdef INET6 148int Lflag; 149#endif 150int explicit_prefix = 0; 151u_int vlan_tag = (u_int)-1; 152 153struct ifcapreq g_ifcr; 154int g_ifcr_updated; 155 156void notealias __P((const char *, int)); 157void notrailers __P((const char *, int)); 158void setifaddr __P((const char *, int)); 159void setifdstaddr __P((const char *, int)); 160void setifflags __P((const char *, int)); 161void setifcaps __P((const char *, int)); 162void setifbroadaddr __P((const char *, int)); 163void setifipdst __P((const char *, int)); 164void setifmetric __P((const char *, int)); 165void setifmtu __P((const char *, int)); 166void setifnwid __P((const char *, int)); 167void setifnwkey __P((const char *, int)); 168void setifbssid __P((const char *, int)); 169void setifchan __P((const char *, int)); 170void setifpowersave __P((const char *, int)); 171void setifpowersavesleep __P((const char *, int)); 172void setifnetmask __P((const char *, int)); 173void setifprefixlen __P((const char *, int)); 174void setnsellength __P((const char *, int)); 175void setsnpaoffset __P((const char *, int)); 176void setatrange __P((const char *, int)); 177void setatphase __P((const char *, int)); 178void settunnel __P((const char *, const char *)); 179void deletetunnel __P((const char *, int)); 180#ifdef INET6 181void setia6flags __P((const char *, int)); 182void setia6pltime __P((const char *, int)); 183void setia6vltime __P((const char *, int)); 184void setia6lifetime __P((const char *, const char *)); 185void setia6eui64 __P((const char *, int)); 186#endif 187void checkatrange __P ((struct sockaddr_at *)); 188void setmedia __P((const char *, int)); 189void setmediamode __P((const char *, int)); 190void setmediaopt __P((const char *, int)); 191void unsetmediaopt __P((const char *, int)); 192void setmediainst __P((const char *, int)); 193void clone_create __P((const char *, int)); 194void clone_destroy __P((const char *, int)); 195void fixnsel __P((struct sockaddr_iso *)); 196void setvlan __P((const char *, int)); 197void setvlanif __P((const char *, int)); 198void unsetvlanif __P((const char *, int)); 199int main __P((int, char *[])); 200 201/* 202 * Media stuff. Whenever a media command is first performed, the 203 * currently select media is grabbed for this interface. If `media' 204 * is given, the current media word is modifed. `mediaopt' commands 205 * only modify the set and clear words. They then operate on the 206 * current media word later. 207 */ 208int media_current; 209int mediaopt_set; 210int mediaopt_clear; 211 212int actions; /* Actions performed */ 213 214#define A_MEDIA 0x0001 /* media command */ 215#define A_MEDIAOPTSET 0x0002 /* mediaopt command */ 216#define A_MEDIAOPTCLR 0x0004 /* -mediaopt command */ 217#define A_MEDIAOPT (A_MEDIAOPTSET|A_MEDIAOPTCLR) 218#define A_MEDIAINST 0x0008 /* instance or inst command */ 219#define A_MEDIAMODE 0x0010 /* mode command */ 220 221#define NEXTARG 0xffffff 222#define NEXTARG2 0xfffffe 223 224const struct cmd { 225 const char *c_name; 226 int c_parameter; /* NEXTARG means next argv */ 227 int c_action; /* defered action */ 228 void (*c_func) __P((const char *, int)); 229 void (*c_func2) __P((const char *, const char *)); 230} cmds[] = { 231 { "up", IFF_UP, 0, setifflags } , 232 { "down", -IFF_UP, 0, setifflags }, 233 { "trailers", -1, 0, notrailers }, 234 { "-trailers", 1, 0, notrailers }, 235 { "arp", -IFF_NOARP, 0, setifflags }, 236 { "-arp", IFF_NOARP, 0, setifflags }, 237 { "debug", IFF_DEBUG, 0, setifflags }, 238 { "-debug", -IFF_DEBUG, 0, setifflags }, 239 { "alias", IFF_UP, 0, notealias }, 240 { "-alias", -IFF_UP, 0, notealias }, 241 { "delete", -IFF_UP, 0, notealias }, 242#ifdef notdef 243#define EN_SWABIPS 0x1000 244 { "swabips", EN_SWABIPS, 0, setifflags }, 245 { "-swabips", -EN_SWABIPS, 0, setifflags }, 246#endif 247 { "netmask", NEXTARG, 0, setifnetmask }, 248 { "metric", NEXTARG, 0, setifmetric }, 249 { "mtu", NEXTARG, 0, setifmtu }, 250 { "bssid", NEXTARG, 0, setifbssid }, 251 { "-bssid", -1, 0, setifbssid }, 252 { "chan", NEXTARG, 0, setifchan }, 253 { "-chan", -1, 0, setifchan }, 254 { "ssid", NEXTARG, 0, setifnwid }, 255 { "nwid", NEXTARG, 0, setifnwid }, 256 { "nwkey", NEXTARG, 0, setifnwkey }, 257 { "-nwkey", -1, 0, setifnwkey }, 258 { "powersave", 1, 0, setifpowersave }, 259 { "-powersave", 0, 0, setifpowersave }, 260 { "powersavesleep", NEXTARG, 0, setifpowersavesleep }, 261 { "broadcast", NEXTARG, 0, setifbroadaddr }, 262 { "ipdst", NEXTARG, 0, setifipdst }, 263 { "prefixlen", NEXTARG, 0, setifprefixlen}, 264#ifdef INET6 265 { "anycast", IN6_IFF_ANYCAST, 0, setia6flags }, 266 { "-anycast", -IN6_IFF_ANYCAST, 0, setia6flags }, 267 { "tentative", IN6_IFF_TENTATIVE, 0, setia6flags }, 268 { "-tentative", -IN6_IFF_TENTATIVE, 0, setia6flags }, 269 { "deprecated", IN6_IFF_DEPRECATED, 0, setia6flags }, 270 { "-deprecated", -IN6_IFF_DEPRECATED, 0, setia6flags }, 271 { "pltime", NEXTARG, 0, setia6pltime }, 272 { "vltime", NEXTARG, 0, setia6vltime }, 273 { "eui64", 0, 0, setia6eui64 }, 274#endif /*INET6*/ 275#ifndef INET_ONLY 276 { "range", NEXTARG, 0, setatrange }, 277 { "phase", NEXTARG, 0, setatphase }, 278 { "snpaoffset", NEXTARG, 0, setsnpaoffset }, 279 { "nsellength", NEXTARG, 0, setnsellength }, 280#endif /* INET_ONLY */ 281 { "tunnel", NEXTARG2, 0, NULL, 282 settunnel } , 283 { "deletetunnel", 0, 0, deletetunnel }, 284 { "vlan", NEXTARG, 0, setvlan } , 285 { "vlanif", NEXTARG, 0, setvlanif } , 286 { "-vlanif", 0, 0, unsetvlanif } , 287#if 0 288 /* XXX `create' special-cased below */ 289 { "create", 0, 0, clone_create } , 290#endif 291 { "destroy", 0, 0, clone_destroy } , 292 { "link0", IFF_LINK0, 0, setifflags } , 293 { "-link0", -IFF_LINK0, 0, setifflags } , 294 { "link1", IFF_LINK1, 0, setifflags } , 295 { "-link1", -IFF_LINK1, 0, setifflags } , 296 { "link2", IFF_LINK2, 0, setifflags } , 297 { "-link2", -IFF_LINK2, 0, setifflags } , 298 { "media", NEXTARG, A_MEDIA, setmedia }, 299 { "mediaopt", NEXTARG, A_MEDIAOPTSET, setmediaopt }, 300 { "-mediaopt", NEXTARG, A_MEDIAOPTCLR, unsetmediaopt }, 301 { "mode", NEXTARG, A_MEDIAMODE, setmediamode }, 302 { "instance", NEXTARG, A_MEDIAINST, setmediainst }, 303 { "inst", NEXTARG, A_MEDIAINST, setmediainst }, 304 { "ip4csum", IFCAP_CSUM_IPv4,0, setifcaps }, 305 { "-ip4csum", -IFCAP_CSUM_IPv4,0, setifcaps }, 306 { "tcp4csum", IFCAP_CSUM_TCPv4,0, setifcaps }, 307 { "-tcp4csum", -IFCAP_CSUM_TCPv4,0, setifcaps }, 308 { "udp4csum", IFCAP_CSUM_UDPv4,0, setifcaps }, 309 { "-udp4csum", -IFCAP_CSUM_UDPv4,0, setifcaps }, 310 { "tcp6csum", IFCAP_CSUM_TCPv6,0, setifcaps }, 311 { "-tcp6csum", -IFCAP_CSUM_TCPv6,0, setifcaps }, 312 { "udp6csum", IFCAP_CSUM_UDPv6,0, setifcaps }, 313 { "-udp6csum", -IFCAP_CSUM_UDPv6,0, setifcaps }, 314 { "tcp4csum-rx",IFCAP_CSUM_TCPv4_Rx,0, setifcaps }, 315 { "-tcp4csum-rx",-IFCAP_CSUM_TCPv4_Rx,0, setifcaps }, 316 { "udp4csum-rx",IFCAP_CSUM_UDPv4_Rx,0, setifcaps }, 317 { "-udp4csum-rx",-IFCAP_CSUM_UDPv4_Rx,0, setifcaps }, 318 { 0, 0, 0, setifaddr }, 319 { 0, 0, 0, setifdstaddr }, 320}; 321 322void adjust_nsellength __P((void)); 323int getinfo __P((struct ifreq *)); 324int carrier __P((void)); 325void getsock __P((int)); 326void printall __P((const char *)); 327void list_cloners __P((void)); 328int prefix __P((void *, int)); 329void status __P((const struct sockaddr_dl *)); 330void usage __P((void)); 331const char *get_string __P((const char *, const char *, u_int8_t *, int *)); 332void print_string __P((const u_int8_t *, int)); 333char *sec2str __P((time_t)); 334 335const char *get_media_type_string __P((int)); 336const char *get_media_subtype_string __P((int)); 337int get_media_mode __P((int, const char *)); 338int get_media_subtype __P((int, const char *)); 339int get_media_options __P((int, const char *)); 340int lookup_media_word __P((struct ifmedia_description *, int, 341 const char *)); 342void print_media_word __P((int, int, int)); 343void process_media_commands __P((void)); 344void init_current_media __P((void)); 345 346/* 347 * XNS support liberally adapted from code written at the University of 348 * Maryland principally by James O'Toole and Chris Torek. 349 */ 350void in_alias __P((struct ifreq *)); 351void in_status __P((int)); 352void in_getaddr __P((const char *, int)); 353void in_getprefix __P((const char *, int)); 354#ifdef INET6 355void in6_fillscopeid __P((struct sockaddr_in6 *sin6)); 356void in6_alias __P((struct in6_ifreq *)); 357void in6_status __P((int)); 358void in6_getaddr __P((const char *, int)); 359void in6_getprefix __P((const char *, int)); 360#endif 361void at_status __P((int)); 362void at_getaddr __P((const char *, int)); 363void xns_status __P((int)); 364void xns_getaddr __P((const char *, int)); 365void iso_status __P((int)); 366void iso_getaddr __P((const char *, int)); 367 368void ieee80211_status __P((void)); 369void tunnel_status __P((void)); 370void vlan_status __P((void)); 371 372/* Known address families */ 373struct afswtch { 374 const char *af_name; 375 short af_af; 376 void (*af_status) __P((int)); 377 void (*af_getaddr) __P((const char *, int)); 378 void (*af_getprefix) __P((const char *, int)); 379 u_long af_difaddr; 380 u_long af_aifaddr; 381 u_long af_gifaddr; 382 caddr_t af_ridreq; 383 caddr_t af_addreq; 384} afs[] = { 385#define C(x) ((caddr_t) &x) 386 { "inet", AF_INET, in_status, in_getaddr, in_getprefix, 387 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(in_addreq) }, 388#ifdef INET6 389 { "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix, 390 SIOCDIFADDR_IN6, SIOCAIFADDR_IN6, 391 /* 392 * Deleting the first address before setting new one is 393 * not prefered way in this protocol. 394 */ 395 0, 396 C(in6_ridreq), C(in6_addreq) }, 397#endif 398#ifndef INET_ONLY /* small version, for boot media */ 399 { "atalk", AF_APPLETALK, at_status, at_getaddr, NULL, 400 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(addreq), C(addreq) }, 401 { "ns", AF_NS, xns_status, xns_getaddr, NULL, 402 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(addreq) }, 403 { "iso", AF_ISO, iso_status, iso_getaddr, NULL, 404 SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, SIOCGIFADDR_ISO, 405 C(iso_ridreq), C(iso_addreq) }, 406#endif /* INET_ONLY */ 407 { 0, 0, 0, 0 } 408}; 409 410struct afswtch *afp; /*the address family being set or asked about*/ 411 412struct afswtch *lookup_af __P((const char *)); 413 414int 415main(argc, argv) 416 int argc; 417 char *argv[]; 418{ 419 int ch; 420 421 /* Parse command-line options */ 422 aflag = mflag = vflag = zflag = 0; 423 while ((ch = getopt(argc, argv, "AabCdlmsuvz" 424#ifdef INET6 425 "L" 426#endif 427 )) != -1) { 428 switch (ch) { 429 case 'A': 430 warnx("-A is deprecated"); 431 break; 432 433 case 'a': 434 aflag = 1; 435 break; 436 437 case 'b': 438 bflag = 1; 439 break; 440 441 case 'C': 442 Cflag = 1; 443 break; 444 445 case 'd': 446 dflag = 1; 447 break; 448 449#ifdef INET6 450 case 'L': 451 Lflag = 1; 452 break; 453#endif 454 455 case 'l': 456 lflag = 1; 457 break; 458 459 case 'm': 460 mflag = 1; 461 break; 462 463 case 's': 464 sflag = 1; 465 break; 466 467 case 'u': 468 uflag = 1; 469 break; 470 471 case 'v': 472 vflag = 1; 473 break; 474 475 case 'z': 476 zflag = 1; 477 break; 478 479 480 default: 481 usage(); 482 /* NOTREACHED */ 483 } 484 } 485 argc -= optind; 486 argv += optind; 487 488 /* 489 * -l means "list all interfaces", and is mutally exclusive with 490 * all other flags/commands. 491 * 492 * -C means "list all names of cloners", and it mutually exclusive 493 * with all other flags/commands. 494 * 495 * -a means "print status of all interfaces". 496 */ 497 if ((lflag || Cflag) && (aflag || mflag || vflag || argc || zflag)) 498 usage(); 499#ifdef INET6 500 if ((lflag || Cflag) && Lflag) 501 usage(); 502#endif 503 if (lflag && Cflag) 504 usage(); 505 if (Cflag) { 506 if (argc) 507 usage(); 508 list_cloners(); 509 exit(0); 510 } 511 if (aflag || lflag) { 512 if (argc > 1) 513 usage(); 514 else if (argc == 1) { 515 afp = lookup_af(argv[0]); 516 if (afp == NULL) 517 usage(); 518 } 519 if (afp) 520 af = ifr.ifr_addr.sa_family = afp->af_af; 521 else 522 af = ifr.ifr_addr.sa_family = afs[0].af_af; 523 printall(NULL); 524 exit(0); 525 } 526 527 /* Make sure there's an interface name. */ 528 if (argc < 1) 529 usage(); 530 if (strlcpy(name, argv[0], sizeof(name)) >= sizeof(name)) 531 errx(1, "interface name '%s' too long", argv[0]); 532 argc--; argv++; 533 534 /* 535 * NOTE: We must special-case the `create' command right 536 * here as we would otherwise fail in getinfo(). 537 */ 538 if (argc > 0 && strcmp(argv[0], "create") == 0) { 539 clone_create(argv[0], 0); 540 argc--, argv++; 541 if (argc == 0) 542 exit(0); 543 } 544 545 /* Check for address family. */ 546 afp = NULL; 547 if (argc > 0) { 548 afp = lookup_af(argv[0]); 549 if (afp != NULL) { 550 argv++; 551 argc--; 552 } 553 } 554 555 /* Initialize af, just for use in getinfo(). */ 556 if (afp == NULL) 557 af = afs->af_af; 558 else 559 af = afp->af_af; 560 561 /* Get information about the interface. */ 562 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 563 if (getinfo(&ifr) < 0) 564 exit(1); 565 566 if (sflag) { 567 if (argc != 0) 568 usage(); 569 else 570 exit(carrier()); 571 } 572 573 /* No more arguments means interface status. */ 574 if (argc == 0) { 575 printall(name); 576 exit(0); 577 } 578 579 /* The following operations assume inet family as the default. */ 580 if (afp == NULL) 581 afp = afs; 582 af = ifr.ifr_addr.sa_family = afp->af_af; 583 584#ifdef INET6 585 /* initialization */ 586 in6_addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; 587 in6_addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; 588#endif 589 590 /* Process commands. */ 591 while (argc > 0) { 592 const struct cmd *p; 593 594 for (p = cmds; p->c_name; p++) 595 if (strcmp(argv[0], p->c_name) == 0) 596 break; 597 if (p->c_name == 0 && setaddr) { 598 if ((flags & IFF_POINTOPOINT) == 0) { 599 errx(EXIT_FAILURE, 600 "can't set destination address %s", 601 "on non-point-to-point link"); 602 } 603 p++; /* got src, do dst */ 604 } 605 if (p->c_func != NULL || p->c_func2 != NULL) { 606 if (p->c_parameter == NEXTARG) { 607 if (argc < 2) 608 errx(EXIT_FAILURE, 609 "'%s' requires argument", 610 p->c_name); 611 (*p->c_func)(argv[1], 0); 612 argc--, argv++; 613 } else if (p->c_parameter == NEXTARG2) { 614 if (argc < 3) 615 errx(EXIT_FAILURE, 616 "'%s' requires 2 arguments", 617 p->c_name); 618 (*p->c_func2)(argv[1], argv[2]); 619 argc -= 2, argv += 2; 620 } else 621 (*p->c_func)(argv[0], p->c_parameter); 622 actions |= p->c_action; 623 } 624 argc--, argv++; 625 } 626 627 /* 628 * See if multiple alias, -alias, or delete commands were 629 * specified. More than one constitutes an invalid command line 630 */ 631 632 if (conflicting > 1) 633 errx(EXIT_FAILURE, 634 "Only one use of alias, -alias or delete is valid."); 635 636 /* Process any media commands that may have been issued. */ 637 process_media_commands(); 638 639 if (af == AF_INET6 && explicit_prefix == 0) { 640 /* 641 * Aggregatable address architecture defines all prefixes 642 * are 64. So, it is convenient to set prefixlen to 64 if 643 * it is not specified. 644 */ 645 setifprefixlen("64", 0); 646 /* in6_getprefix("64", MASK) if MASK is available here... */ 647 } 648 649#ifndef INET_ONLY 650 if (af == AF_ISO) 651 adjust_nsellength(); 652 653 if (af == AF_APPLETALK) 654 checkatrange((struct sockaddr_at *) &addreq.ifra_addr); 655 656 if (setipdst && af==AF_NS) { 657 struct nsip_req rq; 658 int size = sizeof(rq); 659 660 rq.rq_ns = addreq.ifra_addr; 661 rq.rq_ip = addreq.ifra_dstaddr; 662 663 if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0) 664 warn("encapsulation routing"); 665 } 666 667#endif /* INET_ONLY */ 668 669 if (clearaddr) { 670 (void) strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name); 671 if (ioctl(s, afp->af_difaddr, afp->af_ridreq) == -1) 672 err(EXIT_FAILURE, "SIOCDIFADDR"); 673 } 674 if (newaddr > 0) { 675 (void) strncpy(afp->af_addreq, name, sizeof ifr.ifr_name); 676 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) == -1) 677 warn("SIOCAIFADDR"); 678 } 679 680 if (g_ifcr_updated) { 681 (void) strncpy(g_ifcr.ifcr_name, name, 682 sizeof(g_ifcr.ifcr_name)); 683 if (ioctl(s, SIOCSIFCAP, (caddr_t) &g_ifcr) == -1) 684 err(EXIT_FAILURE, "SIOCSIFCAP"); 685 } 686 687 exit(0); 688} 689 690struct afswtch * 691lookup_af(cp) 692 const char *cp; 693{ 694 struct afswtch *a; 695 696 for (a = afs; a->af_name != NULL; a++) 697 if (strcmp(a->af_name, cp) == 0) 698 return (a); 699 return (NULL); 700} 701 702void 703getsock(naf) 704 int naf; 705{ 706 static int oaf = -1; 707 708 if (oaf == naf) 709 return; 710 if (oaf != -1) 711 close(s); 712 s = socket(naf, SOCK_DGRAM, 0); 713 if (s < 0) 714 oaf = -1; 715 else 716 oaf = naf; 717} 718 719int 720getinfo(giifr) 721 struct ifreq *giifr; 722{ 723 724 getsock(af); 725 if (s < 0) 726 err(EXIT_FAILURE, "socket"); 727 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)giifr) == -1) { 728 warn("SIOCGIFFLAGS %s", giifr->ifr_name); 729 return (-1); 730 } 731 flags = giifr->ifr_flags; 732 if (ioctl(s, SIOCGIFMETRIC, (caddr_t)giifr) == -1) { 733 warn("SIOCGIFMETRIC %s", giifr->ifr_name); 734 metric = 0; 735 } else 736 metric = giifr->ifr_metric; 737 if (ioctl(s, SIOCGIFMTU, (caddr_t)giifr) == -1) 738 mtu = 0; 739 else 740 mtu = giifr->ifr_mtu; 741 742 memset(&g_ifcr, 0, sizeof(g_ifcr)); 743 strcpy(g_ifcr.ifcr_name, giifr->ifr_name); 744 (void) ioctl(s, SIOCGIFCAP, (caddr_t) &g_ifcr); 745 746 return (0); 747} 748 749void 750printall(ifname) 751 const char *ifname; 752{ 753 struct ifaddrs *ifap, *ifa; 754 struct ifreq paifr; 755 const struct sockaddr_dl *sdl = NULL; 756 int idx; 757 char *p; 758 759 if (getifaddrs(&ifap) != 0) 760 err(EXIT_FAILURE, "getifaddrs"); 761 p = NULL; 762 idx = 0; 763 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 764 memset(&paifr, 0, sizeof(paifr)); 765 strncpy(paifr.ifr_name, ifa->ifa_name, sizeof(paifr.ifr_name)); 766 if (sizeof(paifr.ifr_addr) >= ifa->ifa_addr->sa_len) { 767 memcpy(&paifr.ifr_addr, ifa->ifa_addr, 768 ifa->ifa_addr->sa_len); 769 } 770 771 if (ifname && strcmp(ifname, ifa->ifa_name) != 0) 772 continue; 773 if (ifa->ifa_addr->sa_family == AF_LINK) 774 sdl = (const struct sockaddr_dl *) ifa->ifa_addr; 775 if (p && strcmp(p, ifa->ifa_name) == 0) 776 continue; 777 if (strlcpy(name, ifa->ifa_name, sizeof(name)) >= sizeof(name)) 778 continue; 779 p = ifa->ifa_name; 780 781 if (getinfo(&paifr) < 0) 782 continue; 783 if (bflag && (ifa->ifa_flags & IFF_BROADCAST) == 0) 784 continue; 785 if (dflag && (ifa->ifa_flags & IFF_UP) != 0) 786 continue; 787 if (uflag && (ifa->ifa_flags & IFF_UP) == 0) 788 continue; 789 790 if (sflag && carrier()) 791 continue; 792 idx++; 793 /* 794 * Are we just listing the interfaces? 795 */ 796 if (lflag) { 797 if (idx > 1) 798 putchar(' '); 799 fputs(name, stdout); 800 continue; 801 } 802 803 status(sdl); 804 sdl = NULL; 805 } 806 if (lflag) 807 putchar('\n'); 808 freeifaddrs(ifap); 809} 810 811void 812list_cloners(void) 813{ 814 struct if_clonereq ifcr; 815 char *cp, *buf; 816 int idx; 817 818 memset(&ifcr, 0, sizeof(ifcr)); 819 820 getsock(AF_INET); 821 822 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 823 err(EXIT_FAILURE, "SIOCIFGCLONERS for count"); 824 825 buf = malloc(ifcr.ifcr_total * IFNAMSIZ); 826 if (buf == NULL) 827 err(EXIT_FAILURE, "unable to allocate cloner name buffer"); 828 829 ifcr.ifcr_count = ifcr.ifcr_total; 830 ifcr.ifcr_buffer = buf; 831 832 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 833 err(EXIT_FAILURE, "SIOCIFGCLONERS for names"); 834 835 /* 836 * In case some disappeared in the mean time, clamp it down. 837 */ 838 if (ifcr.ifcr_count > ifcr.ifcr_total) 839 ifcr.ifcr_count = ifcr.ifcr_total; 840 841 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) { 842 if (idx > 0) 843 putchar(' '); 844 printf("%s", cp); 845 } 846 847 putchar('\n'); 848 free(buf); 849 return; 850} 851 852/*ARGSUSED*/ 853void 854clone_create(addr, param) 855 const char *addr; 856 int param; 857{ 858 859 /* We're called early... */ 860 getsock(AF_INET); 861 862 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 863 if (ioctl(s, SIOCIFCREATE, &ifr) == -1) 864 err(EXIT_FAILURE, "SIOCIFCREATE"); 865} 866 867/*ARGSUSED*/ 868void 869clone_destroy(addr, param) 870 const char *addr; 871 int param; 872{ 873 874 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 875 if (ioctl(s, SIOCIFDESTROY, &ifr) == -1) 876 err(EXIT_FAILURE, "SIOCIFDESTROY"); 877} 878 879#define RIDADDR 0 880#define ADDR 1 881#define MASK 2 882#define DSTADDR 3 883 884/*ARGSUSED*/ 885void 886setifaddr(addr, param) 887 const char *addr; 888 int param; 889{ 890 struct ifreq *siifr; /* XXX */ 891 892 /* 893 * Delay the ioctl to set the interface addr until flags are all set. 894 * The address interpretation may depend on the flags, 895 * and the flags may change when the address is set. 896 */ 897 setaddr++; 898 if (newaddr == -1) 899 newaddr = 1; 900 if (doalias == 0 && afp->af_gifaddr != 0) { 901 siifr = (struct ifreq *)afp->af_ridreq; 902 (void) strncpy(siifr->ifr_name, name, sizeof(siifr->ifr_name)); 903 siifr->ifr_addr.sa_family = afp->af_af; 904 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0) 905 clearaddr = 1; 906 else if (errno == EADDRNOTAVAIL) 907 /* No address was assigned yet. */ 908 ; 909 else 910 err(EXIT_FAILURE, "SIOCGIFADDR"); 911 } 912 913 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 914} 915 916void 917settunnel(src, dst) 918 const char *src, *dst; 919{ 920 struct addrinfo hints, *srcres, *dstres; 921 int ecode; 922 struct if_laddrreq req; 923 924 memset(&hints, 0, sizeof(hints)); 925 hints.ai_family = afp->af_af; 926 hints.ai_socktype = SOCK_DGRAM; /*dummy*/ 927 928 if ((ecode = getaddrinfo(src, NULL, &hints, &srcres)) != 0) 929 errx(EXIT_FAILURE, "error in parsing address string: %s", 930 gai_strerror(ecode)); 931 932 if ((ecode = getaddrinfo(dst, NULL, &hints, &dstres)) != 0) 933 errx(EXIT_FAILURE, "error in parsing address string: %s", 934 gai_strerror(ecode)); 935 936 if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family) 937 errx(EXIT_FAILURE, 938 "source and destination address families do not match"); 939 940 if (srcres->ai_addrlen > sizeof(req.addr) || 941 dstres->ai_addrlen > sizeof(req.dstaddr)) 942 errx(EXIT_FAILURE, "invalid sockaddr"); 943 944 memset(&req, 0, sizeof(req)); 945 strncpy(req.iflr_name, name, sizeof(req.iflr_name)); 946 memcpy(&req.addr, srcres->ai_addr, srcres->ai_addrlen); 947 memcpy(&req.dstaddr, dstres->ai_addr, dstres->ai_addrlen); 948 949#ifdef INET6 950 if (req.addr.ss_family == AF_INET6) { 951 struct sockaddr_in6 *s6, *d; 952 953 s6 = (struct sockaddr_in6 *)&req.addr; 954 d = (struct sockaddr_in6 *)&req.dstaddr; 955 if (s6->sin6_scope_id != d->sin6_scope_id) { 956 errx(EXIT_FAILURE, "scope mismatch"); 957 /* NOTREACHED */ 958 } 959#ifdef __KAME__ 960 /* embed scopeid */ 961 if (s6->sin6_scope_id && 962 (IN6_IS_ADDR_LINKLOCAL(&s6->sin6_addr) || 963 IN6_IS_ADDR_MC_LINKLOCAL(&s6->sin6_addr))) { 964 *(u_int16_t *)&s6->sin6_addr.s6_addr[2] = 965 htons(s6->sin6_scope_id); 966 } 967 if (d->sin6_scope_id && 968 (IN6_IS_ADDR_LINKLOCAL(&d->sin6_addr) || 969 IN6_IS_ADDR_MC_LINKLOCAL(&d->sin6_addr))) { 970 *(u_int16_t *)&d->sin6_addr.s6_addr[2] = 971 htons(d->sin6_scope_id); 972 } 973#endif 974 } 975#endif 976 977 if (ioctl(s, SIOCSLIFPHYADDR, &req) == -1) 978 warn("SIOCSLIFPHYADDR"); 979 980 freeaddrinfo(srcres); 981 freeaddrinfo(dstres); 982} 983 984/* ARGSUSED */ 985void 986deletetunnel(vname, param) 987 const char *vname; 988 int param; 989{ 990 991 if (ioctl(s, SIOCDIFPHYADDR, &ifr) == -1) 992 err(EXIT_FAILURE, "SIOCDIFPHYADDR"); 993} 994 995void setvlan(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 "``vlan'' valid only with vlan(4) interfaces"); 1005 1006 vlan_tag = atoi(val); 1007 1008 memset(&vlr, 0, sizeof(vlr)); 1009 ifr.ifr_data = (caddr_t)&vlr; 1010 1011 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1012 err(EXIT_FAILURE, "SIOCGETVLAN"); 1013 1014 vlr.vlr_tag = vlan_tag; 1015 1016 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1017 err(EXIT_FAILURE, "SIOCSETVLAN"); 1018} 1019 1020void setvlanif(val, d) 1021 const char *val; 1022 int d; 1023{ 1024 struct vlanreq vlr; 1025 1026 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1027 !isdigit(ifr.ifr_name[4])) 1028 errx(EXIT_FAILURE, 1029 "``vlanif'' valid only with vlan(4) interfaces"); 1030 1031 if (vlan_tag == (u_int)-1) 1032 errx(EXIT_FAILURE, 1033 "must specify both ``vlan'' and ``vlanif''"); 1034 1035 memset(&vlr, 0, sizeof(vlr)); 1036 ifr.ifr_data = (caddr_t)&vlr; 1037 1038 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1039 err(EXIT_FAILURE, "SIOCGETVLAN"); 1040 1041 strlcpy(vlr.vlr_parent, val, sizeof(vlr.vlr_parent)); 1042 vlr.vlr_tag = vlan_tag; 1043 1044 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1045 err(EXIT_FAILURE, "SIOCSETVLAN"); 1046} 1047 1048void unsetvlanif(val, d) 1049 const char *val; 1050 int d; 1051{ 1052 struct vlanreq vlr; 1053 1054 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1055 !isdigit(ifr.ifr_name[4])) 1056 errx(EXIT_FAILURE, 1057 "``vlanif'' valid only with vlan(4) interfaces"); 1058 1059 memset(&vlr, 0, sizeof(vlr)); 1060 ifr.ifr_data = (caddr_t)&vlr; 1061 1062 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1063 err(EXIT_FAILURE, "SIOCGETVLAN"); 1064 1065 vlr.vlr_parent[0] = '\0'; 1066 vlr.vlr_tag = 0; 1067 1068 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1069 err(EXIT_FAILURE, "SIOCSETVLAN"); 1070} 1071 1072void 1073setifnetmask(addr, d) 1074 const char *addr; 1075 int d; 1076{ 1077 (*afp->af_getaddr)(addr, MASK); 1078} 1079 1080void 1081setifbroadaddr(addr, d) 1082 const char *addr; 1083 int d; 1084{ 1085 (*afp->af_getaddr)(addr, DSTADDR); 1086} 1087 1088void 1089setifipdst(addr, d) 1090 const char *addr; 1091 int d; 1092{ 1093 in_getaddr(addr, DSTADDR); 1094 setipdst++; 1095 clearaddr = 0; 1096 newaddr = 0; 1097} 1098 1099#define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 1100/*ARGSUSED*/ 1101void 1102notealias(addr, param) 1103 const char *addr; 1104 int param; 1105{ 1106 if (setaddr && doalias == 0 && param < 0) 1107 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 1108 rqtosa(af_addreq)->sa_len); 1109 doalias = param; 1110 if (param < 0) { 1111 clearaddr = 1; 1112 newaddr = 0; 1113 conflicting++; 1114 } else { 1115 clearaddr = 0; 1116 conflicting++; 1117 } 1118} 1119 1120/*ARGSUSED*/ 1121void 1122notrailers(vname, value) 1123 const char *vname; 1124 int value; 1125{ 1126 puts("Note: trailers are no longer sent, but always received"); 1127} 1128 1129/*ARGSUSED*/ 1130void 1131setifdstaddr(addr, param) 1132 const char *addr; 1133 int param; 1134{ 1135 (*afp->af_getaddr)(addr, DSTADDR); 1136} 1137 1138void 1139setifflags(vname, value) 1140 const char *vname; 1141 int value; 1142{ 1143 struct ifreq ifreq; 1144 1145 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 1146 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifreq) == -1) 1147 err(EXIT_FAILURE, "SIOCGIFFLAGS"); 1148 flags = ifreq.ifr_flags; 1149 1150 if (value < 0) { 1151 value = -value; 1152 flags &= ~value; 1153 } else 1154 flags |= value; 1155 ifreq.ifr_flags = flags; 1156 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) == -1) 1157 err(EXIT_FAILURE, "SIOCSIFFLAGS"); 1158} 1159 1160void 1161setifcaps(vname, value) 1162 const char *vname; 1163 int value; 1164{ 1165 1166 if (value < 0) { 1167 value = -value; 1168 g_ifcr.ifcr_capenable &= ~value; 1169 } else 1170 g_ifcr.ifcr_capenable |= value; 1171 1172 g_ifcr_updated = 1; 1173} 1174 1175#ifdef INET6 1176void 1177setia6flags(vname, value) 1178 const char *vname; 1179 int value; 1180{ 1181 1182 if (value < 0) { 1183 value = -value; 1184 in6_addreq.ifra_flags &= ~value; 1185 } else 1186 in6_addreq.ifra_flags |= value; 1187} 1188 1189void 1190setia6pltime(val, d) 1191 const char *val; 1192 int d; 1193{ 1194 1195 setia6lifetime("pltime", val); 1196} 1197 1198void 1199setia6vltime(val, d) 1200 const char *val; 1201 int d; 1202{ 1203 1204 setia6lifetime("vltime", val); 1205} 1206 1207void 1208setia6lifetime(cmd, val) 1209 const char *cmd; 1210 const char *val; 1211{ 1212 time_t newval, t; 1213 char *ep; 1214 1215 t = time(NULL); 1216 newval = (time_t)strtoul(val, &ep, 0); 1217 if (val == ep) 1218 errx(EXIT_FAILURE, "invalid %s", cmd); 1219 if (afp->af_af != AF_INET6) 1220 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd); 1221 if (strcmp(cmd, "vltime") == 0) { 1222 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 1223 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 1224 } else if (strcmp(cmd, "pltime") == 0) { 1225 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 1226 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 1227 } 1228} 1229 1230void 1231setia6eui64(cmd, val) 1232 const char *cmd; 1233 int val; 1234{ 1235 struct ifaddrs *ifap, *ifa; 1236 const struct sockaddr_in6 *sin6 = NULL; 1237 const struct in6_addr *lladdr = NULL; 1238 struct in6_addr *in6; 1239 1240 if (afp->af_af != AF_INET6) 1241 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd); 1242 in6 = (struct in6_addr *)&in6_addreq.ifra_addr.sin6_addr; 1243 if (memcmp(&in6addr_any.s6_addr[8], &in6->s6_addr[8], 8) != 0) 1244 errx(EXIT_FAILURE, "interface index is already filled"); 1245 if (getifaddrs(&ifap) != 0) 1246 err(EXIT_FAILURE, "getifaddrs"); 1247 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 1248 if (ifa->ifa_addr->sa_family == AF_INET6 && 1249 strcmp(ifa->ifa_name, name) == 0) { 1250 sin6 = (const struct sockaddr_in6 *)ifa->ifa_addr; 1251 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1252 lladdr = &sin6->sin6_addr; 1253 break; 1254 } 1255 } 1256 } 1257 if (!lladdr) 1258 errx(EXIT_FAILURE, "could not determine link local address"); 1259 1260 memcpy(&in6->s6_addr[8], &lladdr->s6_addr[8], 8); 1261 1262 freeifaddrs(ifap); 1263} 1264#endif 1265 1266void 1267setifmetric(val, d) 1268 const char *val; 1269 int d; 1270{ 1271 char *ep = NULL; 1272 1273 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1274 ifr.ifr_metric = strtoul(val, &ep, 10); 1275 if (!ep || *ep) 1276 errx(EXIT_FAILURE, "%s: invalid metric", val); 1277 if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) == -1) 1278 warn("SIOCSIFMETRIC"); 1279} 1280 1281void 1282setifmtu(val, d) 1283 const char *val; 1284 int d; 1285{ 1286 char *ep = NULL; 1287 1288 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1289 ifr.ifr_mtu = strtoul(val, &ep, 10); 1290 if (!ep || *ep) 1291 errx(EXIT_FAILURE, "%s: invalid mtu", val); 1292 if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) == -1) 1293 warn("SIOCSIFMTU"); 1294} 1295 1296const char * 1297get_string(val, sep, buf, lenp) 1298 const char *val, *sep; 1299 u_int8_t *buf; 1300 int *lenp; 1301{ 1302 int len; 1303 int hexstr; 1304 u_int8_t *p; 1305 1306 len = *lenp; 1307 p = buf; 1308 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 1309 if (hexstr) 1310 val += 2; 1311 for (;;) { 1312 if (*val == '\0') 1313 break; 1314 if (sep != NULL && strchr(sep, *val) != NULL) { 1315 val++; 1316 break; 1317 } 1318 if (hexstr) { 1319 if (!isxdigit((u_char)val[0]) || 1320 !isxdigit((u_char)val[1])) { 1321 warnx("bad hexadecimal digits"); 1322 return NULL; 1323 } 1324 } 1325 if (p > buf + len) { 1326 if (hexstr) 1327 warnx("hexadecimal digits too long"); 1328 else 1329 warnx("strings too long"); 1330 return NULL; 1331 } 1332 if (hexstr) { 1333#define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 1334 *p++ = (tohex((u_char)val[0]) << 4) | 1335 tohex((u_char)val[1]); 1336#undef tohex 1337 val += 2; 1338 } else 1339 *p++ = *val++; 1340 } 1341 len = p - buf; 1342 if (len < *lenp) 1343 memset(p, 0, *lenp - len); 1344 *lenp = len; 1345 return val; 1346} 1347 1348void 1349print_string(buf, len) 1350 const u_int8_t *buf; 1351 int len; 1352{ 1353 int i; 1354 int hasspc; 1355 1356 i = 0; 1357 hasspc = 0; 1358 if (len < 2 || buf[0] != '0' || tolower(buf[1]) != 'x') { 1359 for (; i < len; i++) { 1360 if (!isprint(buf[i])) 1361 break; 1362 if (isspace(buf[i])) 1363 hasspc++; 1364 } 1365 } 1366 if (i == len) { 1367 if (hasspc || len == 0) 1368 printf("\"%.*s\"", len, buf); 1369 else 1370 printf("%.*s", len, buf); 1371 } else { 1372 printf("0x"); 1373 for (i = 0; i < len; i++) 1374 printf("%02x", buf[i]); 1375 } 1376} 1377 1378void 1379setifnwid(val, d) 1380 const char *val; 1381 int d; 1382{ 1383 struct ieee80211_nwid nwid; 1384 int len; 1385 1386 len = sizeof(nwid.i_nwid); 1387 if (get_string(val, NULL, nwid.i_nwid, &len) == NULL) 1388 return; 1389 nwid.i_len = len; 1390 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1391 ifr.ifr_data = (caddr_t)&nwid; 1392 if (ioctl(s, SIOCS80211NWID, (caddr_t)&ifr) == -1) 1393 warn("SIOCS80211NWID"); 1394} 1395 1396void 1397setifbssid(val, d) 1398 const char *val; 1399 int d; 1400{ 1401 struct ieee80211_bssid bssid; 1402 struct ether_addr *ea; 1403 1404 if (d != 0) { 1405 /* no BSSID is especially desired */ 1406 memset(&bssid.i_bssid, 0, sizeof(bssid.i_bssid)); 1407 } else { 1408 ea = ether_aton(val); 1409 if (ea == NULL) { 1410 warnx("malformed BSSID: %s", val); 1411 return; 1412 } 1413 memcpy(&bssid.i_bssid, ea->ether_addr_octet, 1414 sizeof(bssid.i_bssid)); 1415 } 1416 (void)strncpy(bssid.i_name, name, sizeof(bssid.i_name)); 1417 if (ioctl(s, SIOCS80211BSSID, (caddr_t)&bssid) == -1) 1418 warn("SIOCS80211BSSID"); 1419} 1420 1421void 1422setifchan(val, d) 1423 const char *val; 1424 int d; 1425{ 1426 struct ieee80211chanreq channel; 1427 int chan; 1428 1429 if (d != 0) 1430 chan = IEEE80211_CHAN_ANY; 1431 else { 1432 chan = atoi(val); 1433 if (chan < 0 || chan > 0xffff) { 1434 warnx("invalid channel: %s", val); 1435 return; 1436 } 1437 } 1438 1439 (void)strncpy(channel.i_name, name, sizeof(channel.i_name)); 1440 channel.i_channel = (u_int16_t) chan; 1441 if (ioctl(s, SIOCS80211CHANNEL, (caddr_t)&channel) == -1) 1442 warn("SIOCS80211CHANNEL"); 1443} 1444 1445void 1446setifnwkey(val, d) 1447 const char *val; 1448 int d; 1449{ 1450 struct ieee80211_nwkey nwkey; 1451 int i; 1452 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1453 1454 nwkey.i_wepon = IEEE80211_NWKEY_WEP; 1455 nwkey.i_defkid = 1; 1456 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1457 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1458 nwkey.i_key[i].i_keydat = keybuf[i]; 1459 } 1460 if (d != 0) { 1461 /* disable WEP encryption */ 1462 nwkey.i_wepon = 0; 1463 i = 0; 1464 } else if (strcasecmp("persist", val) == 0) { 1465 /* use all values from persistent memory */ 1466 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1467 nwkey.i_defkid = 0; 1468 for (i = 0; i < IEEE80211_WEP_NKID; i++) 1469 nwkey.i_key[i].i_keylen = -1; 1470 } else if (strncasecmp("persist:", val, 8) == 0) { 1471 val += 8; 1472 /* program keys in persistent memory */ 1473 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1474 goto set_nwkey; 1475 } else { 1476 set_nwkey: 1477 if (isdigit(val[0]) && val[1] == ':') { 1478 /* specifying a full set of four keys */ 1479 nwkey.i_defkid = val[0] - '0'; 1480 val += 2; 1481 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1482 val = get_string(val, ",", keybuf[i], 1483 &nwkey.i_key[i].i_keylen); 1484 if (val == NULL) 1485 return; 1486 } 1487 if (*val != '\0') { 1488 warnx("SIOCS80211NWKEY: too many keys."); 1489 return; 1490 } 1491 } else { 1492 val = get_string(val, NULL, keybuf[0], 1493 &nwkey.i_key[0].i_keylen); 1494 if (val == NULL) 1495 return; 1496 i = 1; 1497 } 1498 } 1499 for (; i < IEEE80211_WEP_NKID; i++) 1500 nwkey.i_key[i].i_keylen = 0; 1501 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1502 if (ioctl(s, SIOCS80211NWKEY, (caddr_t)&nwkey) == -1) 1503 warn("SIOCS80211NWKEY"); 1504} 1505 1506void 1507setifpowersave(val, d) 1508 const char *val; 1509 int d; 1510{ 1511 struct ieee80211_power power; 1512 1513 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1514 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) == -1) { 1515 warn("SIOCG80211POWER"); 1516 return; 1517 } 1518 1519 power.i_enabled = d; 1520 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) == -1) 1521 warn("SIOCS80211POWER"); 1522} 1523 1524void 1525setifpowersavesleep(val, d) 1526 const char *val; 1527 int d; 1528{ 1529 struct ieee80211_power power; 1530 1531 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1532 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) == -1) { 1533 warn("SIOCG80211POWER"); 1534 return; 1535 } 1536 1537 power.i_maxsleep = atoi(val); 1538 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) == -1) 1539 warn("SIOCS80211POWER"); 1540} 1541 1542void 1543ieee80211_status() 1544{ 1545 int i, nwkey_verbose; 1546 struct ieee80211_nwid nwid; 1547 struct ieee80211_nwkey nwkey; 1548 struct ieee80211_power power; 1549 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1550 struct ieee80211_bssid bssid; 1551 struct ieee80211chanreq channel; 1552 struct ether_addr ea; 1553 static const u_int8_t zero_macaddr[IEEE80211_ADDR_LEN]; 1554 1555 memset(&ifr, 0, sizeof(ifr)); 1556 ifr.ifr_data = (caddr_t)&nwid; 1557 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1558 if (ioctl(s, SIOCG80211NWID, (caddr_t)&ifr) == -1) 1559 return; 1560 if (nwid.i_len > IEEE80211_NWID_LEN) { 1561 warnx("SIOCG80211NWID: wrong length of nwid (%d)", nwid.i_len); 1562 return; 1563 } 1564 printf("\tssid "); 1565 print_string(nwid.i_nwid, nwid.i_len); 1566 memset(&nwkey, 0, sizeof(nwkey)); 1567 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1568 /* show nwkey only when WEP is enabled */ 1569 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) == -1 || 1570 nwkey.i_wepon == 0) { 1571 printf("\n"); 1572 goto skip_wep; 1573 } 1574 1575 printf(" nwkey "); 1576 /* try to retrieve WEP keys */ 1577 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1578 nwkey.i_key[i].i_keydat = keybuf[i]; 1579 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1580 } 1581 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) == -1) { 1582 printf("*****"); 1583 } else { 1584 nwkey_verbose = 0; 1585 /* check to see non default key or multiple keys defined */ 1586 if (nwkey.i_defkid != 1) { 1587 nwkey_verbose = 1; 1588 } else { 1589 for (i = 1; i < IEEE80211_WEP_NKID; i++) { 1590 if (nwkey.i_key[i].i_keylen != 0) { 1591 nwkey_verbose = 1; 1592 break; 1593 } 1594 } 1595 } 1596 /* check extra ambiguity with keywords */ 1597 if (!nwkey_verbose) { 1598 if (nwkey.i_key[0].i_keylen >= 2 && 1599 isdigit(nwkey.i_key[0].i_keydat[0]) && 1600 nwkey.i_key[0].i_keydat[1] == ':') 1601 nwkey_verbose = 1; 1602 else if (nwkey.i_key[0].i_keylen >= 7 && 1603 strncasecmp("persist", nwkey.i_key[0].i_keydat, 7) 1604 == 0) 1605 nwkey_verbose = 1; 1606 } 1607 if (nwkey_verbose) 1608 printf("%d:", nwkey.i_defkid); 1609 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1610 if (i > 0) 1611 printf(","); 1612 if (nwkey.i_key[i].i_keylen < 0) 1613 printf("persist"); 1614 else 1615 print_string(nwkey.i_key[i].i_keydat, 1616 nwkey.i_key[i].i_keylen); 1617 if (!nwkey_verbose) 1618 break; 1619 } 1620 } 1621 printf("\n"); 1622 1623 skip_wep: 1624 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1625 if (ioctl(s, SIOCG80211POWER, &power) == -1) 1626 goto skip_power; 1627 printf("\tpowersave "); 1628 if (power.i_enabled) 1629 printf("on (%dms sleep)", power.i_maxsleep); 1630 else 1631 printf("off"); 1632 printf("\n"); 1633 1634 skip_power: 1635 (void)strncpy(bssid.i_name, name, sizeof(bssid.i_name)); 1636 if (ioctl(s, SIOCG80211BSSID, &bssid) == -1) 1637 return; 1638 (void)strncpy(channel.i_name, name, sizeof(channel.i_name)); 1639 if (ioctl(s, SIOCG80211CHANNEL, &channel) == -1) 1640 return; 1641 if (memcmp(bssid.i_bssid, zero_macaddr, IEEE80211_ADDR_LEN) == 0) { 1642 if (channel.i_channel != (u_int16_t)-1) 1643 printf("\tchan %d\n", channel.i_channel); 1644 } else { 1645 memcpy(ea.ether_addr_octet, bssid.i_bssid, 1646 sizeof(ea.ether_addr_octet)); 1647 printf("\tbssid %s", ether_ntoa(&ea)); 1648 if (channel.i_channel != IEEE80211_CHAN_ANY) 1649 printf(" chan %d", channel.i_channel); 1650 printf("\n"); 1651 } 1652} 1653 1654void 1655init_current_media() 1656{ 1657 struct ifmediareq ifmr; 1658 1659 /* 1660 * If we have not yet done so, grab the currently-selected 1661 * media. 1662 */ 1663 if ((actions & (A_MEDIA|A_MEDIAOPT|A_MEDIAMODE)) == 0) { 1664 (void) memset(&ifmr, 0, sizeof(ifmr)); 1665 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1666 1667 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) { 1668 /* 1669 * If we get E2BIG, the kernel is telling us 1670 * that there are more, so we can ignore it. 1671 */ 1672 if (errno != E2BIG) 1673 err(EXIT_FAILURE, "SGIOCGIFMEDIA"); 1674 } 1675 1676 media_current = ifmr.ifm_current; 1677 } 1678 1679 /* Sanity. */ 1680 if (IFM_TYPE(media_current) == 0) 1681 errx(EXIT_FAILURE, "%s: no link type?", name); 1682} 1683 1684void 1685process_media_commands() 1686{ 1687 1688 if ((actions & (A_MEDIA|A_MEDIAOPT|A_MEDIAMODE)) == 0) { 1689 /* Nothing to do. */ 1690 return; 1691 } 1692 1693 /* 1694 * Media already set up, and commands sanity-checked. Set/clear 1695 * any options, and we're ready to go. 1696 */ 1697 media_current |= mediaopt_set; 1698 media_current &= ~mediaopt_clear; 1699 1700 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1701 ifr.ifr_media = media_current; 1702 1703 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) == -1) 1704 err(EXIT_FAILURE, "SIOCSIFMEDIA"); 1705} 1706 1707void 1708setmedia(val, d) 1709 const char *val; 1710 int d; 1711{ 1712 int type, subtype, inst; 1713 1714 init_current_media(); 1715 1716 /* Only one media command may be given. */ 1717 if (actions & A_MEDIA) 1718 errx(EXIT_FAILURE, "only one `media' command may be issued"); 1719 1720 /* Must not come after mode commands */ 1721 if (actions & A_MEDIAMODE) 1722 errx(EXIT_FAILURE, 1723 "may not issue `media' after `mode' commands"); 1724 1725 /* Must not come after mediaopt commands */ 1726 if (actions & A_MEDIAOPT) 1727 errx(EXIT_FAILURE, 1728 "may not issue `media' after `mediaopt' commands"); 1729 1730 /* 1731 * No need to check if `instance' has been issued; setmediainst() 1732 * craps out if `media' has not been specified. 1733 */ 1734 1735 type = IFM_TYPE(media_current); 1736 inst = IFM_INST(media_current); 1737 1738 /* Look up the subtype. */ 1739 subtype = get_media_subtype(type, val); 1740 1741 /* Build the new current media word. */ 1742 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1743 1744 /* Media will be set after other processing is complete. */ 1745} 1746 1747void 1748setmediaopt(val, d) 1749 const char *val; 1750 int d; 1751{ 1752 1753 init_current_media(); 1754 1755 /* Can only issue `mediaopt' once. */ 1756 if (actions & A_MEDIAOPTSET) 1757 errx(EXIT_FAILURE, "only one `mediaopt' command may be issued"); 1758 1759 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1760 if (actions & A_MEDIAINST) 1761 errx(EXIT_FAILURE, "may not issue `mediaopt' after `instance'"); 1762 1763 mediaopt_set = get_media_options(IFM_TYPE(media_current), val); 1764 1765 /* Media will be set after other processing is complete. */ 1766} 1767 1768void 1769unsetmediaopt(val, d) 1770 const char *val; 1771 int d; 1772{ 1773 1774 init_current_media(); 1775 1776 /* Can only issue `-mediaopt' once. */ 1777 if (actions & A_MEDIAOPTCLR) 1778 errx(EXIT_FAILURE, 1779 "only one `-mediaopt' command may be issued"); 1780 1781 /* May not issue `media' and `-mediaopt'. */ 1782 if (actions & A_MEDIA) 1783 errx(EXIT_FAILURE, 1784 "may not issue both `media' and `-mediaopt'"); 1785 1786 /* 1787 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1788 * implicitly checks for A_MEDIAINST. 1789 */ 1790 1791 mediaopt_clear = get_media_options(IFM_TYPE(media_current), val); 1792 1793 /* Media will be set after other processing is complete. */ 1794} 1795 1796void 1797setmediainst(val, d) 1798 const char *val; 1799 int d; 1800{ 1801 int type, subtype, options, inst; 1802 1803 init_current_media(); 1804 1805 /* Can only issue `instance' once. */ 1806 if (actions & A_MEDIAINST) 1807 errx(EXIT_FAILURE, "only one `instance' command may be issued"); 1808 1809 /* Must have already specified `media' */ 1810 if ((actions & A_MEDIA) == 0) 1811 errx(EXIT_FAILURE, "must specify `media' before `instance'"); 1812 1813 type = IFM_TYPE(media_current); 1814 subtype = IFM_SUBTYPE(media_current); 1815 options = IFM_OPTIONS(media_current); 1816 1817 inst = atoi(val); 1818 if (inst < 0 || inst > IFM_INST_MAX) 1819 errx(EXIT_FAILURE, "invalid media instance: %s", val); 1820 1821 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1822 1823 /* Media will be set after other processing is complete. */ 1824} 1825 1826void 1827setmediamode(val, d) 1828 const char *val; 1829 int d; 1830{ 1831 int type, subtype, options, inst, mode; 1832 1833 init_current_media(); 1834 1835 /* Can only issue `mode' once. */ 1836 if (actions & A_MEDIAMODE) 1837 errx(EXIT_FAILURE, "only one `mode' command may be issued"); 1838 1839 type = IFM_TYPE(media_current); 1840 subtype = IFM_SUBTYPE(media_current); 1841 options = IFM_OPTIONS(media_current); 1842 inst = IFM_INST(media_current); 1843 1844 if ((mode = get_media_mode(type, val)) == -1) 1845 errx(EXIT_FAILURE, "invalid media mode: %s", val); 1846 1847 media_current = IFM_MAKEWORD(type, subtype, options, inst) | mode; 1848 1849 /* Media will be set after other processing is complete. */ 1850} 1851 1852struct ifmedia_description ifm_mode_descriptions[] = 1853 IFM_MODE_DESCRIPTIONS; 1854 1855struct ifmedia_description ifm_type_descriptions[] = 1856 IFM_TYPE_DESCRIPTIONS; 1857 1858struct ifmedia_description ifm_subtype_descriptions[] = 1859 IFM_SUBTYPE_DESCRIPTIONS; 1860 1861struct ifmedia_description ifm_option_descriptions[] = 1862 IFM_OPTION_DESCRIPTIONS; 1863 1864const char * 1865get_media_type_string(mword) 1866 int mword; 1867{ 1868 struct ifmedia_description *desc; 1869 1870 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; 1871 desc++) { 1872 if (IFM_TYPE(mword) == desc->ifmt_word) 1873 return (desc->ifmt_string); 1874 } 1875 return ("<unknown type>"); 1876} 1877 1878const char * 1879get_media_subtype_string(mword) 1880 int mword; 1881{ 1882 struct ifmedia_description *desc; 1883 1884 for (desc = ifm_subtype_descriptions; desc->ifmt_string != NULL; 1885 desc++) { 1886 if (IFM_TYPE_MATCH(desc->ifmt_word, mword) && 1887 IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(mword)) 1888 return (desc->ifmt_string); 1889 } 1890 return ("<unknown subtype>"); 1891} 1892 1893int 1894get_media_mode(type, val) 1895 int type; 1896 const char *val; 1897{ 1898 int rval; 1899 1900 rval = lookup_media_word(ifm_mode_descriptions, type, val); 1901 if (rval == -1) 1902 errx(EXIT_FAILURE, "unknown %s media mode: %s", 1903 get_media_type_string(type), val); 1904 1905 return (rval); 1906} 1907 1908int 1909get_media_subtype(type, val) 1910 int type; 1911 const char *val; 1912{ 1913 int rval; 1914 1915 rval = lookup_media_word(ifm_subtype_descriptions, type, val); 1916 if (rval == -1) 1917 errx(EXIT_FAILURE, "unknown %s media subtype: %s", 1918 get_media_type_string(type), val); 1919 1920 return (rval); 1921} 1922 1923int 1924get_media_options(type, val) 1925 int type; 1926 const char *val; 1927{ 1928 char *optlist, *str; 1929 int option, rval = 0; 1930 1931 /* We muck with the string, so copy it. */ 1932 optlist = strdup(val); 1933 if (optlist == NULL) 1934 err(EXIT_FAILURE, "strdup"); 1935 str = optlist; 1936 1937 /* 1938 * Look up the options in the user-provided comma-separated list. 1939 */ 1940 for (; (str = strtok(str, ",")) != NULL; str = NULL) { 1941 option = lookup_media_word(ifm_option_descriptions, type, str); 1942 if (option == -1) 1943 errx(EXIT_FAILURE, "unknown %s media option: %s", 1944 get_media_type_string(type), str); 1945 rval |= IFM_OPTIONS(option); 1946 } 1947 1948 free(optlist); 1949 return (rval); 1950} 1951 1952int 1953lookup_media_word(desc, type, val) 1954 struct ifmedia_description *desc; 1955 int type; 1956 const char *val; 1957{ 1958 1959 for (; desc->ifmt_string != NULL; desc++) { 1960 if (IFM_TYPE_MATCH(desc->ifmt_word, type) && 1961 strcasecmp(desc->ifmt_string, val) == 0) 1962 return (desc->ifmt_word); 1963 } 1964 return (-1); 1965} 1966 1967void 1968print_media_word(ifmw, print_type, as_syntax) 1969 int ifmw, print_type, as_syntax; 1970{ 1971 struct ifmedia_description *desc; 1972 int seen_option = 0; 1973 1974 if (print_type) 1975 printf("%s ", get_media_type_string(ifmw)); 1976 printf("%s%s", as_syntax ? "media " : "", 1977 get_media_subtype_string(ifmw)); 1978 1979 /* Find mode. */ 1980 if (IFM_MODE(ifmw) != 0) { 1981 for (desc = ifm_mode_descriptions; desc->ifmt_string != NULL; 1982 desc++) { 1983 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && 1984 IFM_MODE(ifmw) == IFM_MODE(desc->ifmt_word)) { 1985 printf(" mode %s", desc->ifmt_string); 1986 break; 1987 } 1988 } 1989 } 1990 1991 /* Find options. */ 1992 for (desc = ifm_option_descriptions; desc->ifmt_string != NULL; 1993 desc++) { 1994 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && 1995 (ifmw & IFM_OPTIONS(desc->ifmt_word)) != 0 && 1996 (seen_option & IFM_OPTIONS(desc->ifmt_word)) == 0) { 1997 if (seen_option == 0) 1998 printf(" %s", as_syntax ? "mediaopt " : ""); 1999 printf("%s%s", seen_option ? "," : "", 2000 desc->ifmt_string); 2001 seen_option |= IFM_OPTIONS(desc->ifmt_word); 2002 } 2003 } 2004 if (IFM_INST(ifmw) != 0) 2005 printf(" instance %d", IFM_INST(ifmw)); 2006} 2007 2008int carrier() 2009{ 2010 struct ifmediareq ifmr; 2011 2012 (void) memset(&ifmr, 0, sizeof(ifmr)); 2013 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 2014 2015 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) { 2016 /* 2017 * Interface doesn't support SIOC{G,S}IFMEDIA; 2018 * assume ok. 2019 */ 2020 return 0; 2021 } 2022 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 2023 /* 2024 * Interface doesn't report media-valid status. 2025 * assume ok. 2026 */ 2027 return 0; 2028 } 2029 /* otherwise, return ok for active, not-ok if not active. */ 2030 return !(ifmr.ifm_status & IFM_ACTIVE); 2031} 2032 2033 2034#define IFFBITS \ 2035"\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 2036\11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 2037 2038#define IFCAPBITS \ 2039"\020\1IP4CSUM\2TCP4CSUM\3UDP4CSUM\4TCP6CSUM\5UDP6CSUM\6TCP4CSUM_Rx\7UDP4CSUM_Rx" 2040 2041const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 2042 2043const struct ifmedia_status_description ifm_status_descriptions[] = 2044 IFM_STATUS_DESCRIPTIONS; 2045 2046/* 2047 * Print the status of the interface. If an address family was 2048 * specified, show it and it only; otherwise, show them all. 2049 */ 2050void 2051status(sdl) 2052 const struct sockaddr_dl *sdl; 2053{ 2054 struct afswtch *p = afp; 2055 struct ifmediareq ifmr; 2056 struct ifdatareq ifdr; 2057 int *media_list, i; 2058 char hbuf[NI_MAXHOST]; 2059 char fbuf[BUFSIZ]; 2060 2061 (void)snprintb(fbuf, sizeof(fbuf), IFFBITS, flags); 2062 printf("%s: flags=%s", name, &fbuf[2]); 2063 if (metric) 2064 printf(" metric %lu", metric); 2065 if (mtu) 2066 printf(" mtu %lu", mtu); 2067 putchar('\n'); 2068 2069 if (g_ifcr.ifcr_capabilities) { 2070 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 2071 g_ifcr.ifcr_capabilities); 2072 printf("\tcapabilities=%s\n", &fbuf[2]); 2073 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 2074 g_ifcr.ifcr_capenable); 2075 printf("\tenabled=%s\n", &fbuf[2]); 2076 } 2077 2078 ieee80211_status(); 2079 vlan_status(); 2080 tunnel_status(); 2081 2082 if (sdl != NULL && 2083 getnameinfo((struct sockaddr *)sdl, sdl->sdl_len, 2084 hbuf, sizeof(hbuf), NULL, 0, NI_NUMERICHOST) == 0 && 2085 hbuf[0] != '\0') 2086 printf("\taddress: %s\n", hbuf); 2087 2088 (void) memset(&ifmr, 0, sizeof(ifmr)); 2089 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 2090 2091 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) { 2092 /* 2093 * Interface doesn't support SIOC{G,S}IFMEDIA. 2094 */ 2095 goto iface_stats; 2096 } 2097 2098 if (ifmr.ifm_count == 0) { 2099 warnx("%s: no media types?", name); 2100 goto iface_stats; 2101 } 2102 2103 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 2104 if (media_list == NULL) 2105 err(EXIT_FAILURE, "malloc"); 2106 ifmr.ifm_ulist = media_list; 2107 2108 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) == -1) 2109 err(EXIT_FAILURE, "SIOCGIFMEDIA"); 2110 2111 printf("\tmedia: "); 2112 print_media_word(ifmr.ifm_current, 1, 0); 2113 if (ifmr.ifm_active != ifmr.ifm_current) { 2114 putchar(' '); 2115 putchar('('); 2116 print_media_word(ifmr.ifm_active, 0, 0); 2117 putchar(')'); 2118 } 2119 putchar('\n'); 2120 2121 if (ifmr.ifm_status & IFM_STATUS_VALID) { 2122 const struct ifmedia_status_description *ifms; 2123 int bitno, found = 0; 2124 2125 printf("\tstatus: "); 2126 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 2127 for (ifms = ifm_status_descriptions; 2128 ifms->ifms_valid != 0; ifms++) { 2129 if (ifms->ifms_type != 2130 IFM_TYPE(ifmr.ifm_current) || 2131 ifms->ifms_valid != 2132 ifm_status_valid_list[bitno]) 2133 continue; 2134 printf("%s%s", found ? ", " : "", 2135 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 2136 found = 1; 2137 2138 /* 2139 * For each valid indicator bit, there's 2140 * only one entry for each media type, so 2141 * terminate the inner loop now. 2142 */ 2143 break; 2144 } 2145 } 2146 2147 if (found == 0) 2148 printf("unknown"); 2149 putchar('\n'); 2150 } 2151 2152 if (mflag) { 2153 int type, printed_type; 2154 2155 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 2156 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 2157 if (IFM_TYPE(media_list[i]) == type) { 2158 if (printed_type == 0) { 2159 printf("\tsupported %s media:\n", 2160 get_media_type_string(type)); 2161 printed_type = 1; 2162 } 2163 printf("\t\t"); 2164 print_media_word(media_list[i], 0, 1); 2165 printf("\n"); 2166 } 2167 } 2168 } 2169 } 2170 2171 free(media_list); 2172 2173 iface_stats: 2174 if (!vflag && !zflag) 2175 goto proto_status; 2176 2177 (void) strncpy(ifdr.ifdr_name, name, sizeof(ifdr.ifdr_name)); 2178 2179 if (ioctl(s, zflag ? SIOCZIFDATA:SIOCGIFDATA, (caddr_t)&ifdr) == -1) { 2180 err(EXIT_FAILURE, zflag ? "SIOCZIFDATA" : "SIOCGIFDATA"); 2181 } else { 2182 struct if_data * const ifi = &ifdr.ifdr_data; 2183#define PLURAL(n) ((n) == 1 ? "" : "s") 2184 printf("\tinput: %llu packet%s, %llu byte%s", 2185 (unsigned long long) ifi->ifi_ipackets, 2186 PLURAL(ifi->ifi_ipackets), 2187 (unsigned long long) ifi->ifi_ibytes, 2188 PLURAL(ifi->ifi_ibytes)); 2189 if (ifi->ifi_imcasts) 2190 printf(", %llu multicast%s", 2191 (unsigned long long) ifi->ifi_imcasts, 2192 PLURAL(ifi->ifi_imcasts)); 2193 if (ifi->ifi_ierrors) 2194 printf(", %llu error%s", 2195 (unsigned long long) ifi->ifi_ierrors, 2196 PLURAL(ifi->ifi_ierrors)); 2197 if (ifi->ifi_iqdrops) 2198 printf(", %llu queue drop%s", 2199 (unsigned long long) ifi->ifi_iqdrops, 2200 PLURAL(ifi->ifi_iqdrops)); 2201 if (ifi->ifi_noproto) 2202 printf(", %llu unknown protocol", 2203 (unsigned long long) ifi->ifi_noproto); 2204 printf("\n\toutput: %llu packet%s, %llu byte%s", 2205 (unsigned long long) ifi->ifi_opackets, 2206 PLURAL(ifi->ifi_opackets), 2207 (unsigned long long) ifi->ifi_obytes, 2208 PLURAL(ifi->ifi_obytes)); 2209 if (ifi->ifi_omcasts) 2210 printf(", %llu multicast%s", 2211 (unsigned long long) ifi->ifi_omcasts, 2212 PLURAL(ifi->ifi_omcasts)); 2213 if (ifi->ifi_oerrors) 2214 printf(", %llu error%s", 2215 (unsigned long long) ifi->ifi_oerrors, 2216 PLURAL(ifi->ifi_oerrors)); 2217 if (ifi->ifi_collisions) 2218 printf(", %llu collision%s", 2219 (unsigned long long) ifi->ifi_collisions, 2220 PLURAL(ifi->ifi_collisions)); 2221 printf("\n"); 2222#undef PLURAL 2223 } 2224 2225 proto_status: 2226 if ((p = afp) != NULL) { 2227 (*p->af_status)(1); 2228 } else for (p = afs; p->af_name; p++) { 2229 ifr.ifr_addr.sa_family = p->af_af; 2230 (*p->af_status)(0); 2231 } 2232} 2233 2234void 2235tunnel_status() 2236{ 2237 char psrcaddr[NI_MAXHOST]; 2238 char pdstaddr[NI_MAXHOST]; 2239 const char *ver = ""; 2240#ifdef NI_WITHSCOPEID 2241 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 2242#else 2243 const int niflag = NI_NUMERICHOST; 2244#endif 2245 struct if_laddrreq req; 2246 2247 psrcaddr[0] = pdstaddr[0] = '\0'; 2248 2249 memset(&req, 0, sizeof(req)); 2250 strncpy(req.iflr_name, name, IFNAMSIZ); 2251 if (ioctl(s, SIOCGLIFPHYADDR, (caddr_t)&req) == -1) 2252 return; 2253#ifdef INET6 2254 if (req.addr.ss_family == AF_INET6) 2255 in6_fillscopeid((struct sockaddr_in6 *)&req.addr); 2256#endif 2257 getnameinfo((struct sockaddr *)&req.addr, req.addr.ss_len, 2258 psrcaddr, sizeof(psrcaddr), 0, 0, niflag); 2259#ifdef INET6 2260 if (req.addr.ss_family == AF_INET6) 2261 ver = "6"; 2262#endif 2263 2264#ifdef INET6 2265 if (req.dstaddr.ss_family == AF_INET6) 2266 in6_fillscopeid((struct sockaddr_in6 *)&req.dstaddr); 2267#endif 2268 getnameinfo((struct sockaddr *)&req.dstaddr, req.dstaddr.ss_len, 2269 pdstaddr, sizeof(pdstaddr), 0, 0, niflag); 2270 2271 printf("\ttunnel inet%s %s --> %s\n", ver, psrcaddr, pdstaddr); 2272} 2273 2274void 2275vlan_status() 2276{ 2277 struct vlanreq vlr; 2278 2279 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 2280 !isdigit(ifr.ifr_name[4])) 2281 return; 2282 2283 memset(&vlr, 0, sizeof(vlr)); 2284 ifr.ifr_data = (caddr_t)&vlr; 2285 2286 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 2287 return; 2288 2289 if (vlr.vlr_tag || vlr.vlr_parent[0] != '\0') 2290 printf("\tvlan: %d parent: %s\n", 2291 vlr.vlr_tag, vlr.vlr_parent[0] == '\0' ? 2292 "<none>" : vlr.vlr_parent); 2293} 2294 2295void 2296in_alias(creq) 2297 struct ifreq *creq; 2298{ 2299 struct sockaddr_in *iasin; 2300 int alias; 2301 2302 if (lflag) 2303 return; 2304 2305 alias = 1; 2306 2307 /* Get the non-alias address for this interface. */ 2308 getsock(AF_INET); 2309 if (s < 0) { 2310 if (errno == EPROTONOSUPPORT) 2311 return; 2312 err(EXIT_FAILURE, "socket"); 2313 } 2314 (void) memset(&ifr, 0, sizeof(ifr)); 2315 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2316 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) == -1) { 2317 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2318 return; 2319 } else 2320 warn("SIOCGIFADDR"); 2321 } 2322 /* If creq and ifr are the same address, this is not an alias. */ 2323 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 2324 sizeof(creq->ifr_addr)) == 0) 2325 alias = 0; 2326 (void) memset(&in_addreq, 0, sizeof(in_addreq)); 2327 (void) strncpy(in_addreq.ifra_name, name, sizeof(in_addreq.ifra_name)); 2328 memcpy(&in_addreq.ifra_addr, &creq->ifr_addr, 2329 sizeof(in_addreq.ifra_addr)); 2330 if (ioctl(s, SIOCGIFALIAS, (caddr_t)&in_addreq) == -1) { 2331 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2332 return; 2333 } else 2334 warn("SIOCGIFALIAS"); 2335 } 2336 2337 iasin = &in_addreq.ifra_addr; 2338 printf("\tinet %s%s", alias ? "alias " : "", inet_ntoa(iasin->sin_addr)); 2339 2340 if (flags & IFF_POINTOPOINT) { 2341 iasin = &in_addreq.ifra_dstaddr; 2342 printf(" -> %s", inet_ntoa(iasin->sin_addr)); 2343 } 2344 2345 iasin = &in_addreq.ifra_mask; 2346 printf(" netmask 0x%x", ntohl(iasin->sin_addr.s_addr)); 2347 2348 if (flags & IFF_BROADCAST) { 2349 iasin = &in_addreq.ifra_broadaddr; 2350 printf(" broadcast %s", inet_ntoa(iasin->sin_addr)); 2351 } 2352 printf("\n"); 2353} 2354 2355void 2356in_status(force) 2357 int force; 2358{ 2359 struct ifaddrs *ifap, *ifa; 2360 struct ifreq isifr; 2361 2362 if (getifaddrs(&ifap) != 0) 2363 err(EXIT_FAILURE, "getifaddrs"); 2364 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2365 if (strcmp(name, ifa->ifa_name) != 0) 2366 continue; 2367 if (ifa->ifa_addr->sa_family != AF_INET) 2368 continue; 2369 if (sizeof(isifr.ifr_addr) < ifa->ifa_addr->sa_len) 2370 continue; 2371 2372 memset(&isifr, 0, sizeof(isifr)); 2373 strncpy(isifr.ifr_name, ifa->ifa_name, sizeof(isifr.ifr_name)); 2374 memcpy(&isifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2375 in_alias(&isifr); 2376 } 2377 freeifaddrs(ifap); 2378} 2379 2380void 2381setifprefixlen(addr, d) 2382 const char *addr; 2383 int d; 2384{ 2385 if (*afp->af_getprefix) 2386 (*afp->af_getprefix)(addr, MASK); 2387 explicit_prefix = 1; 2388} 2389 2390#ifdef INET6 2391void 2392in6_fillscopeid(sin6) 2393 struct sockaddr_in6 *sin6; 2394{ 2395#if defined(__KAME__) && defined(KAME_SCOPEID) 2396 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 2397 sin6->sin6_scope_id = 2398 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 2399 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 2400 } 2401#endif 2402} 2403 2404/* XXX not really an alias */ 2405void 2406in6_alias(creq) 2407 struct in6_ifreq *creq; 2408{ 2409 struct sockaddr_in6 *sin6; 2410 char hbuf[NI_MAXHOST]; 2411 u_int32_t scopeid; 2412#ifdef NI_WITHSCOPEID 2413 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 2414#else 2415 const int niflag = NI_NUMERICHOST; 2416#endif 2417 2418 /* Get the non-alias address for this interface. */ 2419 getsock(AF_INET6); 2420 if (s < 0) { 2421 if (errno == EPROTONOSUPPORT) 2422 return; 2423 err(EXIT_FAILURE, "socket"); 2424 } 2425 2426 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 2427 2428 in6_fillscopeid(sin6); 2429 scopeid = sin6->sin6_scope_id; 2430 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2431 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2432 strlcpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2433 printf("\tinet6 %s", hbuf); 2434 2435 if (flags & IFF_POINTOPOINT) { 2436 (void) memset(&ifr6, 0, sizeof(ifr6)); 2437 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2438 ifr6.ifr_addr = creq->ifr_addr; 2439 if (ioctl(s, SIOCGIFDSTADDR_IN6, (caddr_t)&ifr6) == -1) { 2440 if (errno != EADDRNOTAVAIL) 2441 warn("SIOCGIFDSTADDR_IN6"); 2442 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 2443 ifr6.ifr_addr.sin6_family = AF_INET6; 2444 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 2445 } 2446 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2447 in6_fillscopeid(sin6); 2448 hbuf[0] = '\0'; 2449 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2450 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2451 strlcpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2452 printf(" -> %s", hbuf); 2453 } 2454 2455 (void) memset(&ifr6, 0, sizeof(ifr6)); 2456 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2457 ifr6.ifr_addr = creq->ifr_addr; 2458 if (ioctl(s, SIOCGIFNETMASK_IN6, (caddr_t)&ifr6) == -1) { 2459 if (errno != EADDRNOTAVAIL) 2460 warn("SIOCGIFNETMASK_IN6"); 2461 } else { 2462 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2463 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 2464 sizeof(struct in6_addr))); 2465 } 2466 2467 (void) memset(&ifr6, 0, sizeof(ifr6)); 2468 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2469 ifr6.ifr_addr = creq->ifr_addr; 2470 if (ioctl(s, SIOCGIFAFLAG_IN6, (caddr_t)&ifr6) == -1) { 2471 if (errno != EADDRNOTAVAIL) 2472 warn("SIOCGIFAFLAG_IN6"); 2473 } else { 2474 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 2475 printf(" anycast"); 2476 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 2477 printf(" tentative"); 2478 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 2479 printf(" duplicated"); 2480 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 2481 printf(" detached"); 2482 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DEPRECATED) 2483 printf(" deprecated"); 2484 } 2485 2486 if (scopeid) 2487 printf(" scopeid 0x%x", scopeid); 2488 2489 if (Lflag) { 2490 struct in6_addrlifetime *lifetime; 2491 (void) memset(&ifr6, 0, sizeof(ifr6)); 2492 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2493 ifr6.ifr_addr = creq->ifr_addr; 2494 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 2495 if (ioctl(s, SIOCGIFALIFETIME_IN6, (caddr_t)&ifr6) == -1) { 2496 if (errno != EADDRNOTAVAIL) 2497 warn("SIOCGIFALIFETIME_IN6"); 2498 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 2499 time_t t = time(NULL); 2500 printf(" pltime "); 2501 if (lifetime->ia6t_preferred) { 2502 printf("%s", lifetime->ia6t_preferred < t 2503 ? "0" 2504 : sec2str(lifetime->ia6t_preferred - t)); 2505 } else 2506 printf("infty"); 2507 2508 printf(" vltime "); 2509 if (lifetime->ia6t_expire) { 2510 printf("%s", lifetime->ia6t_expire < t 2511 ? "0" 2512 : sec2str(lifetime->ia6t_expire - t)); 2513 } else 2514 printf("infty"); 2515 } 2516 } 2517 2518 printf("\n"); 2519} 2520 2521void 2522in6_status(force) 2523 int force; 2524{ 2525 struct ifaddrs *ifap, *ifa; 2526 struct in6_ifreq isifr; 2527 2528 if (getifaddrs(&ifap) != 0) 2529 err(EXIT_FAILURE, "getifaddrs"); 2530 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2531 if (strcmp(name, ifa->ifa_name) != 0) 2532 continue; 2533 if (ifa->ifa_addr->sa_family != AF_INET6) 2534 continue; 2535 if (sizeof(isifr.ifr_addr) < ifa->ifa_addr->sa_len) 2536 continue; 2537 2538 memset(&isifr, 0, sizeof(isifr)); 2539 strncpy(isifr.ifr_name, ifa->ifa_name, sizeof(isifr.ifr_name)); 2540 memcpy(&isifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2541 in6_alias(&isifr); 2542 } 2543 freeifaddrs(ifap); 2544} 2545#endif /*INET6*/ 2546 2547#ifndef INET_ONLY 2548 2549void 2550at_status(force) 2551 int force; 2552{ 2553 struct sockaddr_at *sat, null_sat; 2554 struct netrange *nr; 2555 2556 getsock(AF_APPLETALK); 2557 if (s < 0) { 2558 if (errno == EPROTONOSUPPORT) 2559 return; 2560 err(EXIT_FAILURE, "socket"); 2561 } 2562 (void) memset(&ifr, 0, sizeof(ifr)); 2563 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2564 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) == -1) { 2565 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2566 if (!force) 2567 return; 2568 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2569 } else 2570 warn("SIOCGIFADDR"); 2571 } 2572 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2573 sat = (struct sockaddr_at *)&ifr.ifr_addr; 2574 2575 (void) memset(&null_sat, 0, sizeof(null_sat)); 2576 2577 nr = (struct netrange *) &sat->sat_zero; 2578 printf("\tatalk %d.%d range %d-%d phase %d", 2579 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2580 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 2581 if (flags & IFF_POINTOPOINT) { 2582 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) == -1) { 2583 if (errno == EADDRNOTAVAIL) 2584 (void) memset(&ifr.ifr_addr, 0, 2585 sizeof(ifr.ifr_addr)); 2586 else 2587 warn("SIOCGIFDSTADDR"); 2588 } 2589 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2590 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 2591 if (!sat) 2592 sat = &null_sat; 2593 printf("--> %d.%d", 2594 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 2595 } 2596 if (flags & IFF_BROADCAST) { 2597 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 2598 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 2599 if (sat) 2600 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 2601 sat->sat_addr.s_node); 2602 } 2603 putchar('\n'); 2604} 2605 2606void 2607xns_status(force) 2608 int force; 2609{ 2610 struct sockaddr_ns *sns; 2611 2612 getsock(AF_NS); 2613 if (s < 0) { 2614 if (errno == EPROTONOSUPPORT) 2615 return; 2616 err(EXIT_FAILURE, "socket"); 2617 } 2618 (void) memset(&ifr, 0, sizeof(ifr)); 2619 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2620 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) == -1) { 2621 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2622 if (!force) 2623 return; 2624 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2625 } else 2626 warn("SIOCGIFADDR"); 2627 } 2628 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2629 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 2630 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 2631 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 2632 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) == -1) { 2633 if (errno == EADDRNOTAVAIL) 2634 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2635 else 2636 warn("SIOCGIFDSTADDR"); 2637 } 2638 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2639 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 2640 printf("--> %s ", ns_ntoa(sns->sns_addr)); 2641 } 2642 putchar('\n'); 2643} 2644 2645void 2646iso_status(force) 2647 int force; 2648{ 2649 struct sockaddr_iso *siso; 2650 struct iso_ifreq isoifr; 2651 2652 getsock(AF_ISO); 2653 if (s < 0) { 2654 if (errno == EPROTONOSUPPORT) 2655 return; 2656 err(EXIT_FAILURE, "socket"); 2657 } 2658 (void) memset(&isoifr, 0, sizeof(isoifr)); 2659 (void) strncpy(isoifr.ifr_name, name, sizeof(isoifr.ifr_name)); 2660 if (ioctl(s, SIOCGIFADDR_ISO, (caddr_t)&isoifr) == -1) { 2661 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2662 if (!force) 2663 return; 2664 (void) memset(&isoifr.ifr_Addr, 0, 2665 sizeof(isoifr.ifr_Addr)); 2666 } else 2667 warn("SIOCGIFADDR_ISO"); 2668 } 2669 (void) strncpy(isoifr.ifr_name, name, sizeof isoifr.ifr_name); 2670 siso = &isoifr.ifr_Addr; 2671 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 2672 if (ioctl(s, SIOCGIFNETMASK_ISO, (caddr_t)&isoifr) == -1) { 2673 if (errno == EADDRNOTAVAIL) 2674 memset(&isoifr.ifr_Addr, 0, sizeof(isoifr.ifr_Addr)); 2675 else 2676 warn("SIOCGIFNETMASK_ISO"); 2677 } else { 2678 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 2679 siso->siso_addr.isoa_len = siso->siso_len 2680 - offsetof(struct sockaddr_iso, siso_addr); 2681 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 2682 } 2683 if (flags & IFF_POINTOPOINT) { 2684 if (ioctl(s, SIOCGIFDSTADDR_ISO, (caddr_t)&isoifr) == -1) { 2685 if (errno == EADDRNOTAVAIL) 2686 memset(&isoifr.ifr_Addr, 0, 2687 sizeof(isoifr.ifr_Addr)); 2688 else 2689 warn("SIOCGIFDSTADDR_ISO"); 2690 } 2691 (void) strncpy(isoifr.ifr_name, name, sizeof (isoifr.ifr_name)); 2692 siso = &isoifr.ifr_Addr; 2693 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 2694 } 2695 putchar('\n'); 2696} 2697 2698#endif /* INET_ONLY */ 2699 2700#define SIN(x) ((struct sockaddr_in *) &(x)) 2701struct sockaddr_in *sintab[] = { 2702SIN(ridreq.ifr_addr), SIN(in_addreq.ifra_addr), 2703SIN(in_addreq.ifra_mask), SIN(in_addreq.ifra_broadaddr)}; 2704 2705void 2706in_getaddr(str, which) 2707 const char *str; 2708 int which; 2709{ 2710 struct sockaddr_in *gasin = sintab[which]; 2711 struct hostent *hp; 2712 struct netent *np; 2713 2714 gasin->sin_len = sizeof(*gasin); 2715 if (which != MASK) 2716 gasin->sin_family = AF_INET; 2717 2718 if (which == ADDR) { 2719 char *p = NULL; 2720 if ((p = strrchr(str, '/')) != NULL) { 2721 *p = '\0'; 2722 in_getprefix(p + 1, MASK); 2723 } 2724 } 2725 2726 if (inet_aton(str, &gasin->sin_addr) == 0) { 2727 if ((hp = gethostbyname(str)) != NULL) 2728 (void) memcpy(&gasin->sin_addr, hp->h_addr, hp->h_length); 2729 else if ((np = getnetbyname(str)) != NULL) 2730 gasin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 2731 else 2732 errx(EXIT_FAILURE, "%s: bad value", str); 2733 } 2734} 2735 2736void 2737in_getprefix(plen, which) 2738 const char *plen; 2739 int which; 2740{ 2741 register struct sockaddr_in *igsin = sintab[which]; 2742 register u_char *cp; 2743 int len = strtol(plen, (char **)NULL, 10); 2744 2745 if ((len < 0) || (len > 32)) 2746 errx(EXIT_FAILURE, "%s: bad value", plen); 2747 igsin->sin_len = sizeof(*igsin); 2748 if (which != MASK) 2749 igsin->sin_family = AF_INET; 2750 if ((len == 0) || (len == 32)) { 2751 memset(&igsin->sin_addr, 0xff, sizeof(struct in_addr)); 2752 return; 2753 } 2754 memset((void *)&igsin->sin_addr, 0x00, sizeof(igsin->sin_addr)); 2755 for (cp = (u_char *)&igsin->sin_addr; len > 7; len -= 8) 2756 *cp++ = 0xff; 2757 if (len) 2758 *cp = 0xff << (8 - len); 2759} 2760 2761#ifdef INET6 2762#define SIN6(x) ((struct sockaddr_in6 *) &(x)) 2763struct sockaddr_in6 *sin6tab[] = { 2764SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 2765SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 2766 2767void 2768in6_getaddr(str, which) 2769 const char *str; 2770 int which; 2771{ 2772#if defined(__KAME__) && defined(KAME_SCOPEID) 2773 struct sockaddr_in6 *sin6 = sin6tab[which]; 2774 struct addrinfo hints, *res; 2775 int error; 2776 char *slash = NULL; 2777 2778 if (which == ADDR) { 2779 if ((slash = strrchr(str, '/')) != NULL) 2780 *slash = '\0'; 2781 } 2782 2783 memset(&hints, 0, sizeof(hints)); 2784 hints.ai_family = AF_INET6; 2785 hints.ai_socktype = SOCK_DGRAM; 2786#if 0 /* in_getaddr() allows FQDN */ 2787 hints.ai_flags = AI_NUMERICHOST; 2788#endif 2789 error = getaddrinfo(str, "0", &hints, &res); 2790 if (error && slash) { 2791 /* try again treating the '/' as part of the name */ 2792 *slash = '/'; 2793 slash = NULL; 2794 error = getaddrinfo(str, "0", &hints, &res); 2795 } 2796 if (error) 2797 errx(EXIT_FAILURE, "%s: %s", str, gai_strerror(error)); 2798 if (res->ai_next) 2799 errx(EXIT_FAILURE, "%s: resolved to multiple addresses", str); 2800 if (res->ai_addrlen != sizeof(struct sockaddr_in6)) 2801 errx(EXIT_FAILURE, "%s: bad value", str); 2802 memcpy(sin6, res->ai_addr, res->ai_addrlen); 2803 freeaddrinfo(res); 2804 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) { 2805 *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = 2806 htons(sin6->sin6_scope_id); 2807 sin6->sin6_scope_id = 0; 2808 } 2809 if (slash) { 2810 in6_getprefix(slash + 1, MASK); 2811 explicit_prefix = 1; 2812 } 2813#else 2814 struct sockaddr_in6 *gasin = sin6tab[which]; 2815 2816 gasin->sin6_len = sizeof(*gasin); 2817 if (which != MASK) 2818 gasin->sin6_family = AF_INET6; 2819 2820 if (which == ADDR) { 2821 char *p = NULL; 2822 if((p = strrchr(str, '/')) != NULL) { 2823 *p = '\0'; 2824 in6_getprefix(p + 1, MASK); 2825 explicit_prefix = 1; 2826 } 2827 } 2828 2829 if (inet_pton(AF_INET6, str, &gasin->sin6_addr) != 1) 2830 errx(EXIT_FAILURE, "%s: bad value", str); 2831#endif 2832} 2833 2834void 2835in6_getprefix(plen, which) 2836 const char *plen; 2837 int which; 2838{ 2839 register struct sockaddr_in6 *gpsin = sin6tab[which]; 2840 register u_char *cp; 2841 int len = strtol(plen, (char **)NULL, 10); 2842 2843 if ((len < 0) || (len > 128)) 2844 errx(EXIT_FAILURE, "%s: bad value", plen); 2845 gpsin->sin6_len = sizeof(*gpsin); 2846 if (which != MASK) 2847 gpsin->sin6_family = AF_INET6; 2848 if ((len == 0) || (len == 128)) { 2849 memset(&gpsin->sin6_addr, 0xff, sizeof(struct in6_addr)); 2850 return; 2851 } 2852 memset((void *)&gpsin->sin6_addr, 0x00, sizeof(gpsin->sin6_addr)); 2853 for (cp = (u_char *)&gpsin->sin6_addr; len > 7; len -= 8) 2854 *cp++ = 0xff; 2855 if (len) 2856 *cp = 0xff << (8 - len); 2857} 2858 2859int 2860prefix(val, size) 2861 void *val; 2862 int size; 2863{ 2864 register u_char *pname = (u_char *)val; 2865 register int byte, bit, plen = 0; 2866 2867 for (byte = 0; byte < size; byte++, plen += 8) 2868 if (pname[byte] != 0xff) 2869 break; 2870 if (byte == size) 2871 return (plen); 2872 for (bit = 7; bit != 0; bit--, plen++) 2873 if (!(pname[byte] & (1 << bit))) 2874 break; 2875 for (; bit != 0; bit--) 2876 if (pname[byte] & (1 << bit)) 2877 return(0); 2878 byte++; 2879 for (; byte < size; byte++) 2880 if (pname[byte]) 2881 return(0); 2882 return (plen); 2883} 2884#endif /*INET6*/ 2885 2886#ifndef INET_ONLY 2887void 2888at_getaddr(addr, which) 2889 const char *addr; 2890 int which; 2891{ 2892 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 2893 u_int net, node; 2894 2895 sat->sat_family = AF_APPLETALK; 2896 sat->sat_len = sizeof(*sat); 2897 if (which == MASK) 2898 errx(EXIT_FAILURE, "AppleTalk does not use netmasks"); 2899 if (sscanf(addr, "%u.%u", &net, &node) != 2 2900 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 2901 errx(EXIT_FAILURE, "%s: illegal address", addr); 2902 sat->sat_addr.s_net = htons(net); 2903 sat->sat_addr.s_node = node; 2904} 2905 2906void 2907setatrange(range, d) 2908 const char *range; 2909 int d; 2910{ 2911 u_short first = 123, last = 123; 2912 2913 if (sscanf(range, "%hu-%hu", &first, &last) != 2 2914 || first == 0 /* || first > 0xffff */ 2915 || last == 0 /* || last > 0xffff */ || first > last) 2916 errx(EXIT_FAILURE, "%s: illegal net range: %u-%u", range, 2917 first, last); 2918 at_nr.nr_firstnet = htons(first); 2919 at_nr.nr_lastnet = htons(last); 2920} 2921 2922void 2923setatphase(phase, d) 2924 const char *phase; 2925 int d; 2926{ 2927 if (!strcmp(phase, "1")) 2928 at_nr.nr_phase = 1; 2929 else if (!strcmp(phase, "2")) 2930 at_nr.nr_phase = 2; 2931 else 2932 errx(EXIT_FAILURE, "%s: illegal phase", phase); 2933} 2934 2935void 2936checkatrange(sat) 2937 struct sockaddr_at *sat; 2938{ 2939 if (at_nr.nr_phase == 0) 2940 at_nr.nr_phase = 2; /* Default phase 2 */ 2941 if (at_nr.nr_firstnet == 0) 2942 at_nr.nr_firstnet = /* Default range of one */ 2943 at_nr.nr_lastnet = sat->sat_addr.s_net; 2944 printf("\tatalk %d.%d range %d-%d phase %d\n", 2945 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2946 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 2947 if ((u_short) ntohs(at_nr.nr_firstnet) > 2948 (u_short) ntohs(sat->sat_addr.s_net) 2949 || (u_short) ntohs(at_nr.nr_lastnet) < 2950 (u_short) ntohs(sat->sat_addr.s_net)) 2951 errx(EXIT_FAILURE, "AppleTalk address is not in range"); 2952 *((struct netrange *) &sat->sat_zero) = at_nr; 2953} 2954 2955#define SNS(x) ((struct sockaddr_ns *) &(x)) 2956struct sockaddr_ns *snstab[] = { 2957SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 2958SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 2959 2960void 2961xns_getaddr(addr, which) 2962 const char *addr; 2963 int which; 2964{ 2965 struct sockaddr_ns *sns = snstab[which]; 2966 2967 sns->sns_family = AF_NS; 2968 sns->sns_len = sizeof(*sns); 2969 sns->sns_addr = ns_addr(addr); 2970 if (which == MASK) 2971 puts("Attempt to set XNS netmask will be ineffectual"); 2972} 2973 2974#define SISO(x) ((struct sockaddr_iso *) &(x)) 2975struct sockaddr_iso *sisotab[] = { 2976SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 2977SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 2978 2979void 2980iso_getaddr(addr, which) 2981 const char *addr; 2982 int which; 2983{ 2984 struct sockaddr_iso *siso = sisotab[which]; 2985 siso->siso_addr = *iso_addr(addr); 2986 2987 if (which == MASK) { 2988 siso->siso_len = TSEL(siso) - (caddr_t)(siso); 2989 siso->siso_nlen = 0; 2990 } else { 2991 siso->siso_len = sizeof(*siso); 2992 siso->siso_family = AF_ISO; 2993 } 2994} 2995 2996void 2997setsnpaoffset(val, d) 2998 const char *val; 2999 int d; 3000{ 3001 iso_addreq.ifra_snpaoffset = atoi(val); 3002} 3003 3004void 3005setnsellength(val, d) 3006 const char *val; 3007 int d; 3008{ 3009 nsellength = atoi(val); 3010 if (nsellength < 0) 3011 errx(EXIT_FAILURE, "Negative NSEL length is absurd"); 3012 if (afp == 0 || afp->af_af != AF_ISO) 3013 errx(EXIT_FAILURE, "Setting NSEL length valid only for iso"); 3014} 3015 3016void 3017fixnsel(siso) 3018 struct sockaddr_iso *siso; 3019{ 3020 if (siso->siso_family == 0) 3021 return; 3022 siso->siso_tlen = nsellength; 3023} 3024 3025void 3026adjust_nsellength() 3027{ 3028 fixnsel(sisotab[RIDADDR]); 3029 fixnsel(sisotab[ADDR]); 3030 fixnsel(sisotab[DSTADDR]); 3031} 3032 3033#endif /* INET_ONLY */ 3034 3035void 3036usage() 3037{ 3038 const char *progname = getprogname(); 3039 3040 fprintf(stderr, 3041 "usage: %s [-m] [-v] [-z] " 3042#ifdef INET6 3043 "[-L] " 3044#endif 3045 "interface\n" 3046 "\t[ af [ address [ dest_addr ] ] [ netmask mask ] [ prefixlen n ]\n" 3047 "\t\t[ alias | -alias ] ]\n" 3048 "\t[ up ] [ down ] [ metric n ] [ mtu n ]\n" 3049 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n" 3050 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n" 3051 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n" 3052 "\t[ arp | -arp ]\n" 3053 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] " 3054 "[ instance minst ]\n" 3055 "\t[ vlan n vlanif i ]\n" 3056 "\t[ anycast | -anycast ] [ deprecated | -deprecated ]\n" 3057 "\t[ tentative | -tentative ] [ pltime n ] [ vltime n ] [ eui64 ]\n" 3058 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" 3059 " %s -a [-b] [-m] [-d] [-u] [-v] [-z] [ af ]\n" 3060 " %s -l [-b] [-d] [-u] [-s]\n" 3061 " %s -C\n" 3062 " %s interface create\n" 3063 " %s interface destroy\n", 3064 progname, progname, progname, progname, progname, progname); 3065 exit(1); 3066} 3067 3068#ifdef INET6 3069char * 3070sec2str(total) 3071 time_t total; 3072{ 3073 static char result[256]; 3074 int days, hours, mins, secs; 3075 int first = 1; 3076 char *p = result; 3077 char *end = &result[sizeof(result)]; 3078 int n; 3079 3080 if (0) { /*XXX*/ 3081 days = total / 3600 / 24; 3082 hours = (total / 3600) % 24; 3083 mins = (total / 60) % 60; 3084 secs = total % 60; 3085 3086 if (days) { 3087 first = 0; 3088 n = snprintf(p, end - p, "%dd", days); 3089 if (n < 0 || n >= end - p) 3090 return(result); 3091 p += n; 3092 } 3093 if (!first || hours) { 3094 first = 0; 3095 n = snprintf(p, end - p, "%dh", hours); 3096 if (n < 0 || n >= end - p) 3097 return(result); 3098 p += n; 3099 } 3100 if (!first || mins) { 3101 first = 0; 3102 n = snprintf(p, end - p, "%dm", mins); 3103 if (n < 0 || n >= end - p) 3104 return(result); 3105 p += n; 3106 } 3107 snprintf(p, end - p, "%ds", secs); 3108 } else 3109 snprintf(p, end - p, "%lu", (u_long)total); 3110 3111 return(result); 3112} 3113#endif 3114