ifconfig.c revision 1.152
1 /* $NetBSD: ifconfig.c,v 1.152 2005/03/06 00:13:36 matt 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 77 static char sccsid[] = "@(#)ifconfig.c 8.2 (Berkeley) 2/16/94"; 78 #else 79 __RCSID("$NetBSD: ifconfig.c,v 1.152 2005/03/06 00:13:36 matt 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> 123 124 struct ifreq ifr, ridreq; 125 struct ifaliasreq addreq __attribute__((aligned(4))); 126 struct in_aliasreq in_addreq; 127 #ifdef INET6 128 struct in6_ifreq ifr6; 129 struct in6_ifreq in6_ridreq; 130 struct in6_aliasreq in6_addreq; 131 #endif 132 struct iso_ifreq iso_ridreq; 133 struct iso_aliasreq iso_addreq; 134 struct sockaddr_in netmask; 135 struct netrange at_nr; /* AppleTalk net range */ 136 137 char name[30]; 138 u_short flags; 139 int setaddr, setipdst, doalias; 140 u_long metric, mtu; 141 int clearaddr, s; 142 int newaddr = -1; 143 int conflicting = 0; 144 int nsellength = 1; 145 int af; 146 int aflag, bflag, Cflag, dflag, lflag, mflag, sflag, uflag, vflag, zflag; 147 #ifdef INET6 148 int Lflag; 149 #endif 150 int explicit_prefix = 0; 151 u_int vlan_tag = (u_int)-1; 152 153 struct ifcapreq g_ifcr; 154 int g_ifcr_updated; 155 156 void notealias(const char *, int); 157 void notrailers(const char *, int); 158 void setifaddr(const char *, int); 159 void setifdstaddr(const char *, int); 160 void setifflags(const char *, int); 161 void setifcaps(const char *, int); 162 void setifbroadaddr(const char *, int); 163 void setifipdst(const char *, int); 164 void setifmetric(const char *, int); 165 void setifmtu(const char *, int); 166 void setifnwid(const char *, int); 167 void setifnwkey(const char *, int); 168 void setifbssid(const char *, int); 169 void setifchan(const char *, int); 170 void setifpowersave(const char *, int); 171 void setifpowersavesleep(const char *, int); 172 void setifnetmask(const char *, int); 173 void setifprefixlen(const char *, int); 174 void setnsellength(const char *, int); 175 void setsnpaoffset(const char *, int); 176 void setatrange(const char *, int); 177 void setatphase(const char *, int); 178 void settunnel(const char *, const char *); 179 void deletetunnel(const char *, int); 180 #ifdef INET6 181 void setia6flags(const char *, int); 182 void setia6pltime(const char *, int); 183 void setia6vltime(const char *, int); 184 void setia6lifetime(const char *, const char *); 185 void setia6eui64(const char *, int); 186 #endif 187 void checkatrange(struct sockaddr_at *); 188 void setmedia(const char *, int); 189 void setmediamode(const char *, int); 190 void setmediaopt(const char *, int); 191 void unsetmediaopt(const char *, int); 192 void setmediainst(const char *, int); 193 void clone_create(const char *, int); 194 void clone_destroy(const char *, int); 195 void fixnsel(struct sockaddr_iso *); 196 void setvlan(const char *, int); 197 void setvlanif(const char *, int); 198 void unsetvlanif(const char *, int); 199 int main(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 */ 208 int media_current; 209 int mediaopt_set; 210 int mediaopt_clear; 211 212 int 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 223 224 const 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)(const char *, int); 229 void (*c_func2)(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 { "tso4", IFCAP_TSOv4, 0, setifcaps }, 319 { "-tso4", -IFCAP_TSOv4, 0, setifcaps }, 320 { 0, 0, 0, setifaddr }, 321 { 0, 0, 0, setifdstaddr }, 322 }; 323 324 void adjust_nsellength(void); 325 int getinfo(struct ifreq *); 326 int carrier(void); 327 void getsock(int); 328 void printall(const char *); 329 void list_cloners(void); 330 int prefix(void *, int); 331 void status(const struct sockaddr_dl *); 332 void usage(void); 333 const char *get_string(const char *, const char *, u_int8_t *, int *); 334 void print_string(const u_int8_t *, int); 335 char *sec2str(time_t); 336 337 void print_media_word(int, const char *); 338 void process_media_commands(void); 339 void init_current_media(void); 340 341 /* 342 * XNS support liberally adapted from code written at the University of 343 * Maryland principally by James O'Toole and Chris Torek. 344 */ 345 void in_alias(struct ifreq *); 346 void in_status(int); 347 void in_getaddr(const char *, int); 348 void in_getprefix(const char *, int); 349 #ifdef INET6 350 void in6_fillscopeid(struct sockaddr_in6 *sin6); 351 void in6_alias(struct in6_ifreq *); 352 void in6_status(int); 353 void in6_getaddr(const char *, int); 354 void in6_getprefix(const char *, int); 355 #endif 356 void at_status(int); 357 void at_getaddr(const char *, int); 358 void xns_status(int); 359 void xns_getaddr(const char *, int); 360 void iso_status(int); 361 void iso_getaddr(const char *, int); 362 363 void ieee80211_statistics(void); 364 void ieee80211_status(void); 365 void tunnel_status(void); 366 void vlan_status(void); 367 368 /* Known address families */ 369 struct afswtch { 370 const char *af_name; 371 short af_af; 372 void (*af_status)(int); 373 void (*af_getaddr)(const char *, int); 374 void (*af_getprefix)(const char *, int); 375 u_long af_difaddr; 376 u_long af_aifaddr; 377 u_long af_gifaddr; 378 void *af_ridreq; 379 void *af_addreq; 380 } afs[] = { 381 { "inet", AF_INET, in_status, in_getaddr, in_getprefix, 382 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, &ridreq, &in_addreq }, 383 #ifdef INET6 384 { "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix, 385 SIOCDIFADDR_IN6, SIOCAIFADDR_IN6, 386 /* 387 * Deleting the first address before setting new one is 388 * not prefered way in this protocol. 389 */ 390 0, 391 &in6_ridreq, &in6_addreq }, 392 #endif 393 #ifndef INET_ONLY /* small version, for boot media */ 394 { "atalk", AF_APPLETALK, at_status, at_getaddr, NULL, 395 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, &addreq, &addreq }, 396 { "ns", AF_NS, xns_status, xns_getaddr, NULL, 397 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, &ridreq, &addreq }, 398 { "iso", AF_ISO, iso_status, iso_getaddr, NULL, 399 SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, SIOCGIFADDR_ISO, 400 &iso_ridreq, &iso_addreq }, 401 #endif /* INET_ONLY */ 402 { 0, 0, 0, 0 } 403 }; 404 405 struct afswtch *afp; /*the address family being set or asked about*/ 406 407 struct afswtch *lookup_af(const char *); 408 409 int 410 main(int argc, char *argv[]) 411 { 412 int ch; 413 414 /* Parse command-line options */ 415 aflag = mflag = vflag = zflag = 0; 416 while ((ch = getopt(argc, argv, "AabCdlmsuvz" 417 #ifdef INET6 418 "L" 419 #endif 420 )) != -1) { 421 switch (ch) { 422 case 'A': 423 warnx("-A is deprecated"); 424 break; 425 426 case 'a': 427 aflag = 1; 428 break; 429 430 case 'b': 431 bflag = 1; 432 break; 433 434 case 'C': 435 Cflag = 1; 436 break; 437 438 case 'd': 439 dflag = 1; 440 break; 441 442 #ifdef INET6 443 case 'L': 444 Lflag = 1; 445 break; 446 #endif 447 448 case 'l': 449 lflag = 1; 450 break; 451 452 case 'm': 453 mflag = 1; 454 break; 455 456 case 's': 457 sflag = 1; 458 break; 459 460 case 'u': 461 uflag = 1; 462 break; 463 464 case 'v': 465 vflag = 1; 466 break; 467 468 case 'z': 469 zflag = 1; 470 break; 471 472 473 default: 474 usage(); 475 /* NOTREACHED */ 476 } 477 } 478 argc -= optind; 479 argv += optind; 480 481 /* 482 * -l means "list all interfaces", and is mutally exclusive with 483 * all other flags/commands. 484 * 485 * -C means "list all names of cloners", and it mutually exclusive 486 * with all other flags/commands. 487 * 488 * -a means "print status of all interfaces". 489 */ 490 if ((lflag || Cflag) && (aflag || mflag || vflag || argc || zflag)) 491 usage(); 492 #ifdef INET6 493 if ((lflag || Cflag) && Lflag) 494 usage(); 495 #endif 496 if (lflag && Cflag) 497 usage(); 498 if (Cflag) { 499 if (argc) 500 usage(); 501 list_cloners(); 502 exit(0); 503 } 504 if (aflag || lflag) { 505 if (argc > 1) 506 usage(); 507 else if (argc == 1) { 508 afp = lookup_af(argv[0]); 509 if (afp == NULL) 510 usage(); 511 } 512 if (afp) 513 af = ifr.ifr_addr.sa_family = afp->af_af; 514 else 515 af = ifr.ifr_addr.sa_family = afs[0].af_af; 516 printall(NULL); 517 exit(0); 518 } 519 520 /* Make sure there's an interface name. */ 521 if (argc < 1) 522 usage(); 523 if (strlcpy(name, argv[0], sizeof(name)) >= sizeof(name)) 524 errx(1, "interface name '%s' too long", argv[0]); 525 argc--; argv++; 526 527 /* 528 * NOTE: We must special-case the `create' command right 529 * here as we would otherwise fail in getinfo(). 530 */ 531 if (argc > 0 && strcmp(argv[0], "create") == 0) { 532 clone_create(argv[0], 0); 533 argc--, argv++; 534 if (argc == 0) 535 exit(0); 536 } 537 538 /* Check for address family. */ 539 afp = NULL; 540 if (argc > 0) { 541 afp = lookup_af(argv[0]); 542 if (afp != NULL) { 543 argv++; 544 argc--; 545 } 546 } 547 548 /* Initialize af, just for use in getinfo(). */ 549 if (afp == NULL) 550 af = afs->af_af; 551 else 552 af = afp->af_af; 553 554 /* Get information about the interface. */ 555 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 556 if (getinfo(&ifr) < 0) 557 exit(1); 558 559 if (sflag) { 560 if (argc != 0) 561 usage(); 562 else 563 exit(carrier()); 564 } 565 566 /* No more arguments means interface status. */ 567 if (argc == 0) { 568 printall(name); 569 exit(0); 570 } 571 572 /* The following operations assume inet family as the default. */ 573 if (afp == NULL) 574 afp = afs; 575 af = ifr.ifr_addr.sa_family = afp->af_af; 576 577 #ifdef INET6 578 /* initialization */ 579 in6_addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; 580 in6_addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; 581 #endif 582 583 /* Process commands. */ 584 while (argc > 0) { 585 const struct cmd *p; 586 587 for (p = cmds; p->c_name; p++) 588 if (strcmp(argv[0], p->c_name) == 0) 589 break; 590 if (p->c_name == 0 && setaddr) { 591 if ((flags & IFF_POINTOPOINT) == 0) { 592 errx(EXIT_FAILURE, 593 "can't set destination address %s", 594 "on non-point-to-point link"); 595 } 596 p++; /* got src, do dst */ 597 } 598 if (p->c_func != NULL || p->c_func2 != NULL) { 599 if (p->c_parameter == NEXTARG) { 600 if (argc < 2) 601 errx(EXIT_FAILURE, 602 "'%s' requires argument", 603 p->c_name); 604 (*p->c_func)(argv[1], 0); 605 argc--, argv++; 606 } else if (p->c_parameter == NEXTARG2) { 607 if (argc < 3) 608 errx(EXIT_FAILURE, 609 "'%s' requires 2 arguments", 610 p->c_name); 611 (*p->c_func2)(argv[1], argv[2]); 612 argc -= 2, argv += 2; 613 } else 614 (*p->c_func)(argv[0], p->c_parameter); 615 actions |= p->c_action; 616 } 617 argc--, argv++; 618 } 619 620 /* 621 * See if multiple alias, -alias, or delete commands were 622 * specified. More than one constitutes an invalid command line 623 */ 624 625 if (conflicting > 1) 626 errx(EXIT_FAILURE, 627 "Only one use of alias, -alias or delete is valid."); 628 629 /* Process any media commands that may have been issued. */ 630 process_media_commands(); 631 632 if (af == AF_INET6 && explicit_prefix == 0) { 633 /* 634 * Aggregatable address architecture defines all prefixes 635 * are 64. So, it is convenient to set prefixlen to 64 if 636 * it is not specified. 637 */ 638 setifprefixlen("64", 0); 639 /* in6_getprefix("64", MASK) if MASK is available here... */ 640 } 641 642 #ifndef INET_ONLY 643 if (af == AF_ISO) 644 adjust_nsellength(); 645 646 if (af == AF_APPLETALK) 647 checkatrange((struct sockaddr_at *) &addreq.ifra_addr); 648 649 if (setipdst && af==AF_NS) { 650 struct nsip_req rq; 651 int size = sizeof(rq); 652 653 rq.rq_ns = addreq.ifra_addr; 654 rq.rq_ip = addreq.ifra_dstaddr; 655 656 if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0) 657 warn("encapsulation routing"); 658 } 659 660 #endif /* INET_ONLY */ 661 662 if (clearaddr) { 663 (void) strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name); 664 if (ioctl(s, afp->af_difaddr, afp->af_ridreq) == -1) 665 err(EXIT_FAILURE, "SIOCDIFADDR"); 666 } 667 if (newaddr > 0) { 668 (void) strncpy(afp->af_addreq, name, sizeof ifr.ifr_name); 669 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) == -1) 670 warn("SIOCAIFADDR"); 671 } 672 673 if (g_ifcr_updated) { 674 (void) strncpy(g_ifcr.ifcr_name, name, 675 sizeof(g_ifcr.ifcr_name)); 676 if (ioctl(s, SIOCSIFCAP, &g_ifcr) == -1) 677 err(EXIT_FAILURE, "SIOCSIFCAP"); 678 } 679 680 exit(0); 681 } 682 683 struct afswtch * 684 lookup_af(const char *cp) 685 { 686 struct afswtch *a; 687 688 for (a = afs; a->af_name != NULL; a++) 689 if (strcmp(a->af_name, cp) == 0) 690 return (a); 691 return (NULL); 692 } 693 694 void 695 getsock(int naf) 696 { 697 static int oaf = -1; 698 699 if (oaf == naf) 700 return; 701 if (oaf != -1) 702 close(s); 703 s = socket(naf, SOCK_DGRAM, 0); 704 if (s < 0) 705 oaf = -1; 706 else 707 oaf = naf; 708 } 709 710 int 711 getinfo(struct ifreq *giifr) 712 { 713 714 getsock(af); 715 if (s < 0) 716 err(EXIT_FAILURE, "socket"); 717 if (ioctl(s, SIOCGIFFLAGS, giifr) == -1) { 718 warn("SIOCGIFFLAGS %s", giifr->ifr_name); 719 return (-1); 720 } 721 flags = giifr->ifr_flags; 722 if (ioctl(s, SIOCGIFMETRIC, giifr) == -1) { 723 warn("SIOCGIFMETRIC %s", giifr->ifr_name); 724 metric = 0; 725 } else 726 metric = giifr->ifr_metric; 727 if (ioctl(s, SIOCGIFMTU, giifr) == -1) 728 mtu = 0; 729 else 730 mtu = giifr->ifr_mtu; 731 732 memset(&g_ifcr, 0, sizeof(g_ifcr)); 733 strcpy(g_ifcr.ifcr_name, giifr->ifr_name); 734 (void) ioctl(s, SIOCGIFCAP, &g_ifcr); 735 736 return (0); 737 } 738 739 void 740 printall(const char *ifname) 741 { 742 struct ifaddrs *ifap, *ifa; 743 struct ifreq paifr; 744 const struct sockaddr_dl *sdl = NULL; 745 int idx; 746 char *p; 747 748 if (getifaddrs(&ifap) != 0) 749 err(EXIT_FAILURE, "getifaddrs"); 750 p = NULL; 751 idx = 0; 752 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 753 memset(&paifr, 0, sizeof(paifr)); 754 strncpy(paifr.ifr_name, ifa->ifa_name, sizeof(paifr.ifr_name)); 755 if (sizeof(paifr.ifr_addr) >= ifa->ifa_addr->sa_len) { 756 memcpy(&paifr.ifr_addr, ifa->ifa_addr, 757 ifa->ifa_addr->sa_len); 758 } 759 760 if (ifname && strcmp(ifname, ifa->ifa_name) != 0) 761 continue; 762 if (ifa->ifa_addr->sa_family == AF_LINK) 763 sdl = (const struct sockaddr_dl *) ifa->ifa_addr; 764 if (p && strcmp(p, ifa->ifa_name) == 0) 765 continue; 766 if (strlcpy(name, ifa->ifa_name, sizeof(name)) >= sizeof(name)) 767 continue; 768 p = ifa->ifa_name; 769 770 if (getinfo(&paifr) < 0) 771 continue; 772 if (bflag && (ifa->ifa_flags & IFF_BROADCAST) == 0) 773 continue; 774 if (dflag && (ifa->ifa_flags & IFF_UP) != 0) 775 continue; 776 if (uflag && (ifa->ifa_flags & IFF_UP) == 0) 777 continue; 778 779 if (sflag && carrier()) 780 continue; 781 idx++; 782 /* 783 * Are we just listing the interfaces? 784 */ 785 if (lflag) { 786 if (idx > 1) 787 printf(" "); 788 fputs(name, stdout); 789 continue; 790 } 791 792 status(sdl); 793 sdl = NULL; 794 } 795 if (lflag) 796 printf("\n"); 797 freeifaddrs(ifap); 798 } 799 800 void 801 list_cloners(void) 802 { 803 struct if_clonereq ifcr; 804 char *cp, *buf; 805 int idx; 806 807 memset(&ifcr, 0, sizeof(ifcr)); 808 809 getsock(AF_INET); 810 811 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 812 err(EXIT_FAILURE, "SIOCIFGCLONERS for count"); 813 814 buf = malloc(ifcr.ifcr_total * IFNAMSIZ); 815 if (buf == NULL) 816 err(EXIT_FAILURE, "unable to allocate cloner name buffer"); 817 818 ifcr.ifcr_count = ifcr.ifcr_total; 819 ifcr.ifcr_buffer = buf; 820 821 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 822 err(EXIT_FAILURE, "SIOCIFGCLONERS for names"); 823 824 /* 825 * In case some disappeared in the mean time, clamp it down. 826 */ 827 if (ifcr.ifcr_count > ifcr.ifcr_total) 828 ifcr.ifcr_count = ifcr.ifcr_total; 829 830 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) { 831 if (idx > 0) 832 printf(" "); 833 printf("%s", cp); 834 } 835 836 printf("\n"); 837 free(buf); 838 return; 839 } 840 841 /*ARGSUSED*/ 842 void 843 clone_create(const char *addr, int param) 844 { 845 846 /* We're called early... */ 847 getsock(AF_INET); 848 849 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 850 if (ioctl(s, SIOCIFCREATE, &ifr) == -1) 851 err(EXIT_FAILURE, "SIOCIFCREATE"); 852 } 853 854 /*ARGSUSED*/ 855 void 856 clone_destroy(const char *addr, int param) 857 { 858 859 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 860 if (ioctl(s, SIOCIFDESTROY, &ifr) == -1) 861 err(EXIT_FAILURE, "SIOCIFDESTROY"); 862 } 863 864 #define RIDADDR 0 865 #define ADDR 1 866 #define MASK 2 867 #define DSTADDR 3 868 869 /*ARGSUSED*/ 870 void 871 setifaddr(const char *addr, int param) 872 { 873 struct ifreq *siifr; /* XXX */ 874 875 /* 876 * Delay the ioctl to set the interface addr until flags are all set. 877 * The address interpretation may depend on the flags, 878 * and the flags may change when the address is set. 879 */ 880 setaddr++; 881 if (newaddr == -1) 882 newaddr = 1; 883 if (doalias == 0 && afp->af_gifaddr != 0) { 884 siifr = (struct ifreq *)afp->af_ridreq; 885 (void) strncpy(siifr->ifr_name, name, sizeof(siifr->ifr_name)); 886 siifr->ifr_addr.sa_family = afp->af_af; 887 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0) 888 clearaddr = 1; 889 else if (errno == EADDRNOTAVAIL) 890 /* No address was assigned yet. */ 891 ; 892 else 893 err(EXIT_FAILURE, "SIOCGIFADDR"); 894 } 895 896 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 897 } 898 899 void 900 settunnel(const char *src, const char *dst) 901 { 902 struct addrinfo hints, *srcres, *dstres; 903 int ecode; 904 struct if_laddrreq req; 905 906 memset(&hints, 0, sizeof(hints)); 907 hints.ai_family = afp->af_af; 908 hints.ai_socktype = SOCK_DGRAM; /*dummy*/ 909 910 if ((ecode = getaddrinfo(src, NULL, &hints, &srcres)) != 0) 911 errx(EXIT_FAILURE, "error in parsing address string: %s", 912 gai_strerror(ecode)); 913 914 if ((ecode = getaddrinfo(dst, NULL, &hints, &dstres)) != 0) 915 errx(EXIT_FAILURE, "error in parsing address string: %s", 916 gai_strerror(ecode)); 917 918 if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family) 919 errx(EXIT_FAILURE, 920 "source and destination address families do not match"); 921 922 if (srcres->ai_addrlen > sizeof(req.addr) || 923 dstres->ai_addrlen > sizeof(req.dstaddr)) 924 errx(EXIT_FAILURE, "invalid sockaddr"); 925 926 memset(&req, 0, sizeof(req)); 927 strncpy(req.iflr_name, name, sizeof(req.iflr_name)); 928 memcpy(&req.addr, srcres->ai_addr, srcres->ai_addrlen); 929 memcpy(&req.dstaddr, dstres->ai_addr, dstres->ai_addrlen); 930 931 #ifdef INET6 932 if (req.addr.ss_family == AF_INET6) { 933 struct sockaddr_in6 *s6, *d; 934 935 s6 = (struct sockaddr_in6 *)&req.addr; 936 d = (struct sockaddr_in6 *)&req.dstaddr; 937 if (s6->sin6_scope_id != d->sin6_scope_id) { 938 errx(EXIT_FAILURE, "scope mismatch"); 939 /* NOTREACHED */ 940 } 941 #ifdef __KAME__ 942 /* embed scopeid */ 943 if (s6->sin6_scope_id && 944 (IN6_IS_ADDR_LINKLOCAL(&s6->sin6_addr) || 945 IN6_IS_ADDR_MC_LINKLOCAL(&s6->sin6_addr))) { 946 *(u_int16_t *)&s6->sin6_addr.s6_addr[2] = 947 htons(s6->sin6_scope_id); 948 } 949 if (d->sin6_scope_id && 950 (IN6_IS_ADDR_LINKLOCAL(&d->sin6_addr) || 951 IN6_IS_ADDR_MC_LINKLOCAL(&d->sin6_addr))) { 952 *(u_int16_t *)&d->sin6_addr.s6_addr[2] = 953 htons(d->sin6_scope_id); 954 } 955 #endif 956 } 957 #endif 958 959 if (ioctl(s, SIOCSLIFPHYADDR, &req) == -1) 960 warn("SIOCSLIFPHYADDR"); 961 962 freeaddrinfo(srcres); 963 freeaddrinfo(dstres); 964 } 965 966 /* ARGSUSED */ 967 void 968 deletetunnel(const char *vname, int param) 969 { 970 971 if (ioctl(s, SIOCDIFPHYADDR, &ifr) == -1) 972 err(EXIT_FAILURE, "SIOCDIFPHYADDR"); 973 } 974 975 void 976 setvlan(const char *val, int d) 977 { 978 struct vlanreq vlr; 979 980 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 981 !isdigit((unsigned char)ifr.ifr_name[4])) 982 errx(EXIT_FAILURE, 983 "``vlan'' valid only with vlan(4) interfaces"); 984 985 vlan_tag = atoi(val); 986 987 memset(&vlr, 0, sizeof(vlr)); 988 ifr.ifr_data = (void *)&vlr; 989 990 if (ioctl(s, SIOCGETVLAN, &ifr) == -1) 991 err(EXIT_FAILURE, "SIOCGETVLAN"); 992 993 vlr.vlr_tag = vlan_tag; 994 995 if (ioctl(s, SIOCSETVLAN, &ifr) == -1) 996 err(EXIT_FAILURE, "SIOCSETVLAN"); 997 } 998 999 void 1000 setvlanif(const char *val, int d) 1001 { 1002 struct vlanreq vlr; 1003 1004 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1005 !isdigit((unsigned char)ifr.ifr_name[4])) 1006 errx(EXIT_FAILURE, 1007 "``vlanif'' valid only with vlan(4) interfaces"); 1008 1009 if (vlan_tag == (u_int)-1) 1010 errx(EXIT_FAILURE, 1011 "must specify both ``vlan'' and ``vlanif''"); 1012 1013 memset(&vlr, 0, sizeof(vlr)); 1014 ifr.ifr_data = (void *)&vlr; 1015 1016 if (ioctl(s, SIOCGETVLAN, &ifr) == -1) 1017 err(EXIT_FAILURE, "SIOCGETVLAN"); 1018 1019 strlcpy(vlr.vlr_parent, val, sizeof(vlr.vlr_parent)); 1020 vlr.vlr_tag = vlan_tag; 1021 1022 if (ioctl(s, SIOCSETVLAN, &ifr) == -1) 1023 err(EXIT_FAILURE, "SIOCSETVLAN"); 1024 } 1025 1026 void 1027 unsetvlanif(const char *val, int d) 1028 { 1029 struct vlanreq vlr; 1030 1031 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1032 !isdigit((unsigned char)ifr.ifr_name[4])) 1033 errx(EXIT_FAILURE, 1034 "``vlanif'' valid only with vlan(4) interfaces"); 1035 1036 memset(&vlr, 0, sizeof(vlr)); 1037 ifr.ifr_data = (void *)&vlr; 1038 1039 if (ioctl(s, SIOCGETVLAN, &ifr) == -1) 1040 err(EXIT_FAILURE, "SIOCGETVLAN"); 1041 1042 vlr.vlr_parent[0] = '\0'; 1043 vlr.vlr_tag = 0; 1044 1045 if (ioctl(s, SIOCSETVLAN, &ifr) == -1) 1046 err(EXIT_FAILURE, "SIOCSETVLAN"); 1047 } 1048 1049 void 1050 setifnetmask(const char *addr, int d) 1051 { 1052 (*afp->af_getaddr)(addr, MASK); 1053 } 1054 1055 void 1056 setifbroadaddr(const char *addr, int d) 1057 { 1058 (*afp->af_getaddr)(addr, DSTADDR); 1059 } 1060 1061 void 1062 setifipdst(const char *addr, int d) 1063 { 1064 in_getaddr(addr, DSTADDR); 1065 setipdst++; 1066 clearaddr = 0; 1067 newaddr = 0; 1068 } 1069 1070 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 1071 /*ARGSUSED*/ 1072 void 1073 notealias(const char *addr, int param) 1074 { 1075 if (setaddr && doalias == 0 && param < 0) 1076 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 1077 rqtosa(af_addreq)->sa_len); 1078 doalias = param; 1079 if (param < 0) { 1080 clearaddr = 1; 1081 newaddr = 0; 1082 conflicting++; 1083 } else { 1084 clearaddr = 0; 1085 conflicting++; 1086 } 1087 } 1088 1089 /*ARGSUSED*/ 1090 void 1091 notrailers(const char *vname, int value) 1092 { 1093 puts("Note: trailers are no longer sent, but always received"); 1094 } 1095 1096 /*ARGSUSED*/ 1097 void 1098 setifdstaddr(const char *addr, int param) 1099 { 1100 (*afp->af_getaddr)(addr, DSTADDR); 1101 } 1102 1103 void 1104 setifflags(const char *vname, int value) 1105 { 1106 struct ifreq ifreq; 1107 1108 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 1109 if (ioctl(s, SIOCGIFFLAGS, &ifreq) == -1) 1110 err(EXIT_FAILURE, "SIOCGIFFLAGS"); 1111 flags = ifreq.ifr_flags; 1112 1113 if (value < 0) { 1114 value = -value; 1115 flags &= ~value; 1116 } else 1117 flags |= value; 1118 ifreq.ifr_flags = flags; 1119 if (ioctl(s, SIOCSIFFLAGS, &ifreq) == -1) 1120 err(EXIT_FAILURE, "SIOCSIFFLAGS"); 1121 } 1122 1123 void 1124 setifcaps(const char *vname, int value) 1125 { 1126 1127 if (value < 0) { 1128 value = -value; 1129 g_ifcr.ifcr_capenable &= ~value; 1130 } else 1131 g_ifcr.ifcr_capenable |= value; 1132 1133 g_ifcr_updated = 1; 1134 } 1135 1136 #ifdef INET6 1137 void 1138 setia6flags(const char *vname, int value) 1139 { 1140 1141 if (value < 0) { 1142 value = -value; 1143 in6_addreq.ifra_flags &= ~value; 1144 } else 1145 in6_addreq.ifra_flags |= value; 1146 } 1147 1148 void 1149 setia6pltime(const char *val, int d) 1150 { 1151 1152 setia6lifetime("pltime", val); 1153 } 1154 1155 void 1156 setia6vltime(const char *val, int d) 1157 { 1158 1159 setia6lifetime("vltime", val); 1160 } 1161 1162 void 1163 setia6lifetime(const char *cmd, const char *val) 1164 { 1165 time_t newval, t; 1166 char *ep; 1167 1168 t = time(NULL); 1169 newval = (time_t)strtoul(val, &ep, 0); 1170 if (val == ep) 1171 errx(EXIT_FAILURE, "invalid %s", cmd); 1172 if (afp->af_af != AF_INET6) 1173 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd); 1174 if (strcmp(cmd, "vltime") == 0) { 1175 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 1176 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 1177 } else if (strcmp(cmd, "pltime") == 0) { 1178 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 1179 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 1180 } 1181 } 1182 1183 void 1184 setia6eui64(const char *cmd, int val) 1185 { 1186 struct ifaddrs *ifap, *ifa; 1187 const struct sockaddr_in6 *sin6 = NULL; 1188 const struct in6_addr *lladdr = NULL; 1189 struct in6_addr *in6; 1190 1191 if (afp->af_af != AF_INET6) 1192 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd); 1193 in6 = (struct in6_addr *)&in6_addreq.ifra_addr.sin6_addr; 1194 if (memcmp(&in6addr_any.s6_addr[8], &in6->s6_addr[8], 8) != 0) 1195 errx(EXIT_FAILURE, "interface index is already filled"); 1196 if (getifaddrs(&ifap) != 0) 1197 err(EXIT_FAILURE, "getifaddrs"); 1198 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 1199 if (ifa->ifa_addr->sa_family == AF_INET6 && 1200 strcmp(ifa->ifa_name, name) == 0) { 1201 sin6 = (const struct sockaddr_in6 *)ifa->ifa_addr; 1202 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1203 lladdr = &sin6->sin6_addr; 1204 break; 1205 } 1206 } 1207 } 1208 if (!lladdr) 1209 errx(EXIT_FAILURE, "could not determine link local address"); 1210 1211 memcpy(&in6->s6_addr[8], &lladdr->s6_addr[8], 8); 1212 1213 freeifaddrs(ifap); 1214 } 1215 #endif 1216 1217 void 1218 setifmetric(const char *val, int d) 1219 { 1220 char *ep = NULL; 1221 1222 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1223 ifr.ifr_metric = strtoul(val, &ep, 10); 1224 if (!ep || *ep) 1225 errx(EXIT_FAILURE, "%s: invalid metric", val); 1226 if (ioctl(s, SIOCSIFMETRIC, &ifr) == -1) 1227 warn("SIOCSIFMETRIC"); 1228 } 1229 1230 void 1231 setifmtu(const char *val, int d) 1232 { 1233 char *ep = NULL; 1234 1235 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1236 ifr.ifr_mtu = strtoul(val, &ep, 10); 1237 if (!ep || *ep) 1238 errx(EXIT_FAILURE, "%s: invalid mtu", val); 1239 if (ioctl(s, SIOCSIFMTU, &ifr) == -1) 1240 warn("SIOCSIFMTU"); 1241 } 1242 1243 const char * 1244 get_string(const char *val, const char *sep, u_int8_t *buf, int *lenp) 1245 { 1246 int len; 1247 int hexstr; 1248 u_int8_t *p; 1249 1250 len = *lenp; 1251 p = buf; 1252 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 1253 if (hexstr) 1254 val += 2; 1255 for (;;) { 1256 if (*val == '\0') 1257 break; 1258 if (sep != NULL && strchr(sep, *val) != NULL) { 1259 val++; 1260 break; 1261 } 1262 if (hexstr) { 1263 if (!isxdigit((u_char)val[0]) || 1264 !isxdigit((u_char)val[1])) { 1265 warnx("bad hexadecimal digits"); 1266 return NULL; 1267 } 1268 } 1269 if (p > buf + len) { 1270 if (hexstr) 1271 warnx("hexadecimal digits too long"); 1272 else 1273 warnx("strings too long"); 1274 return NULL; 1275 } 1276 if (hexstr) { 1277 #define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 1278 *p++ = (tohex((u_char)val[0]) << 4) | 1279 tohex((u_char)val[1]); 1280 #undef tohex 1281 val += 2; 1282 } else 1283 *p++ = *val++; 1284 } 1285 len = p - buf; 1286 if (len < *lenp) 1287 memset(p, 0, *lenp - len); 1288 *lenp = len; 1289 return val; 1290 } 1291 1292 void 1293 print_string(const u_int8_t *buf, int len) 1294 { 1295 int i; 1296 int hasspc; 1297 1298 i = 0; 1299 hasspc = 0; 1300 if (len < 2 || buf[0] != '0' || tolower(buf[1]) != 'x') { 1301 for (; i < len; i++) { 1302 if (!isprint(buf[i])) 1303 break; 1304 if (isspace(buf[i])) 1305 hasspc++; 1306 } 1307 } 1308 if (i == len) { 1309 if (hasspc || len == 0) 1310 printf("\"%.*s\"", len, buf); 1311 else 1312 printf("%.*s", len, buf); 1313 } else { 1314 printf("0x"); 1315 for (i = 0; i < len; i++) 1316 printf("%02x", buf[i]); 1317 } 1318 } 1319 1320 void 1321 setifnwid(const char *val, int d) 1322 { 1323 struct ieee80211_nwid nwid; 1324 int len; 1325 1326 len = sizeof(nwid.i_nwid); 1327 if (get_string(val, NULL, nwid.i_nwid, &len) == NULL) 1328 return; 1329 nwid.i_len = len; 1330 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1331 ifr.ifr_data = (void *)&nwid; 1332 if (ioctl(s, SIOCS80211NWID, &ifr) == -1) 1333 warn("SIOCS80211NWID"); 1334 } 1335 1336 void 1337 setifbssid(const char *val, int d) 1338 { 1339 struct ieee80211_bssid bssid; 1340 struct ether_addr *ea; 1341 1342 if (d != 0) { 1343 /* no BSSID is especially desired */ 1344 memset(&bssid.i_bssid, 0, sizeof(bssid.i_bssid)); 1345 } else { 1346 ea = ether_aton(val); 1347 if (ea == NULL) { 1348 warnx("malformed BSSID: %s", val); 1349 return; 1350 } 1351 memcpy(&bssid.i_bssid, ea->ether_addr_octet, 1352 sizeof(bssid.i_bssid)); 1353 } 1354 (void)strncpy(bssid.i_name, name, sizeof(bssid.i_name)); 1355 if (ioctl(s, SIOCS80211BSSID, &bssid) == -1) 1356 warn("SIOCS80211BSSID"); 1357 } 1358 1359 void 1360 setifchan(const char *val, int d) 1361 { 1362 struct ieee80211chanreq channel; 1363 int chan; 1364 1365 if (d != 0) 1366 chan = IEEE80211_CHAN_ANY; 1367 else { 1368 chan = atoi(val); 1369 if (chan < 0 || chan > 0xffff) { 1370 warnx("invalid channel: %s", val); 1371 return; 1372 } 1373 } 1374 1375 (void)strncpy(channel.i_name, name, sizeof(channel.i_name)); 1376 channel.i_channel = (u_int16_t) chan; 1377 if (ioctl(s, SIOCS80211CHANNEL, &channel) == -1) 1378 warn("SIOCS80211CHANNEL"); 1379 } 1380 1381 void 1382 setifnwkey(const char *val, int d) 1383 { 1384 struct ieee80211_nwkey nwkey; 1385 int i; 1386 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1387 1388 nwkey.i_wepon = IEEE80211_NWKEY_WEP; 1389 nwkey.i_defkid = 1; 1390 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1391 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1392 nwkey.i_key[i].i_keydat = keybuf[i]; 1393 } 1394 if (d != 0) { 1395 /* disable WEP encryption */ 1396 nwkey.i_wepon = 0; 1397 i = 0; 1398 } else if (strcasecmp("persist", val) == 0) { 1399 /* use all values from persistent memory */ 1400 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1401 nwkey.i_defkid = 0; 1402 for (i = 0; i < IEEE80211_WEP_NKID; i++) 1403 nwkey.i_key[i].i_keylen = -1; 1404 } else if (strncasecmp("persist:", val, 8) == 0) { 1405 val += 8; 1406 /* program keys in persistent memory */ 1407 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1408 goto set_nwkey; 1409 } else { 1410 set_nwkey: 1411 if (isdigit((unsigned char)val[0]) && val[1] == ':') { 1412 /* specifying a full set of four keys */ 1413 nwkey.i_defkid = val[0] - '0'; 1414 val += 2; 1415 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1416 val = get_string(val, ",", keybuf[i], 1417 &nwkey.i_key[i].i_keylen); 1418 if (val == NULL) 1419 return; 1420 } 1421 if (*val != '\0') { 1422 warnx("SIOCS80211NWKEY: too many keys."); 1423 return; 1424 } 1425 } else { 1426 val = get_string(val, NULL, keybuf[0], 1427 &nwkey.i_key[0].i_keylen); 1428 if (val == NULL) 1429 return; 1430 i = 1; 1431 } 1432 } 1433 for (; i < IEEE80211_WEP_NKID; i++) 1434 nwkey.i_key[i].i_keylen = 0; 1435 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1436 if (ioctl(s, SIOCS80211NWKEY, &nwkey) == -1) 1437 warn("SIOCS80211NWKEY"); 1438 } 1439 1440 void 1441 setifpowersave(const char *val, int d) 1442 { 1443 struct ieee80211_power power; 1444 1445 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1446 if (ioctl(s, SIOCG80211POWER, &power) == -1) { 1447 warn("SIOCG80211POWER"); 1448 return; 1449 } 1450 1451 power.i_enabled = d; 1452 if (ioctl(s, SIOCS80211POWER, &power) == -1) 1453 warn("SIOCS80211POWER"); 1454 } 1455 1456 void 1457 setifpowersavesleep(const char *val, int d) 1458 { 1459 struct ieee80211_power power; 1460 1461 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1462 if (ioctl(s, SIOCG80211POWER, &power) == -1) { 1463 warn("SIOCG80211POWER"); 1464 return; 1465 } 1466 1467 power.i_maxsleep = atoi(val); 1468 if (ioctl(s, SIOCS80211POWER, &power) == -1) 1469 warn("SIOCS80211POWER"); 1470 } 1471 1472 void 1473 ieee80211_statistics(void) 1474 { 1475 struct ieee80211_stats stats; 1476 1477 memset(&ifr, 0, sizeof(ifr)); 1478 ifr.ifr_data = (caddr_t)&stats; 1479 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1480 if (ioctl(s, (zflag) ? SIOCG80211ZSTATS : SIOCG80211STATS, 1481 (caddr_t)&ifr) == -1) 1482 return; 1483 #define RX_PRINT(desc, member) printf("\trx " desc ": %u\n", stats.member) 1484 #define TX_PRINT(desc, member) printf("\ttx " desc ": %u\n", stats.member) 1485 1486 RX_PRINT("too short", is_rx_tooshort); 1487 RX_PRINT("bad version", is_rx_badversion); 1488 RX_PRINT("wrong bss", is_rx_wrongbss); 1489 RX_PRINT("duplicate", is_rx_dup); 1490 RX_PRINT("wrong direction", is_rx_wrongdir); 1491 RX_PRINT("multicast echo", is_rx_mcastecho); 1492 RX_PRINT("STA not associated", is_rx_notassoc); 1493 RX_PRINT("WEP-encrypted but WEP not configured", is_rx_nowep); 1494 RX_PRINT("WEP processing failed", is_rx_wepfail); 1495 #if 0 1496 RX_PRINT("single (M)MSDU, both WEP/non-WEP fragments", is_rx_wepmix); 1497 RX_PRINT("non-consecutive fragments", is_rx_fragorder); 1498 #endif 1499 RX_PRINT("decapsulation failed", is_rx_decap); 1500 RX_PRINT("management-type discarded", is_rx_mgtdiscard); 1501 RX_PRINT("control-type discarded", is_rx_ctl); 1502 RX_PRINT("truncated rate set", is_rx_rstoobig); 1503 RX_PRINT("beacon/prresp element missing", is_rx_elem_missing); 1504 RX_PRINT("beacon/prresp element too big", is_rx_elem_toobig); 1505 RX_PRINT("beacon/prresp element too small", is_rx_elem_toosmall); 1506 RX_PRINT("beacon/prresp element unknown", is_rx_elem_unknown); 1507 RX_PRINT("invalid channel", is_rx_badchan); 1508 RX_PRINT("channel mismatch", is_rx_chanmismatch); 1509 RX_PRINT("failed node allocation", is_rx_nodealloc); 1510 RX_PRINT("SSID mismatch", is_rx_ssidmismatch); 1511 RX_PRINT("unsupported authentication algor.", is_rx_auth_unsupported); 1512 RX_PRINT("STA authentication failure", is_rx_auth_fail); 1513 RX_PRINT("association for wrong bss", is_rx_assoc_bss); 1514 RX_PRINT("association without authenication", is_rx_assoc_notauth); 1515 RX_PRINT("association capability mismatch", is_rx_assoc_capmismatch); 1516 RX_PRINT("association without rate match", is_rx_assoc_norate); 1517 RX_PRINT("deauthentication", is_rx_deauth); 1518 RX_PRINT("disassocation", is_rx_disassoc); 1519 RX_PRINT("unknown subtype", is_rx_badsubtype); 1520 RX_PRINT("failed, mbuf unavailable", is_rx_nombuf); 1521 RX_PRINT("failed, bad ICV", is_rx_decryptcrc); 1522 RX_PRINT("discard mgmt frame in ad-hoc demo mode", is_rx_ahdemo_mgt); 1523 RX_PRINT("bad authentication", is_rx_bad_auth); 1524 TX_PRINT("failed, mbuf unavailable", is_tx_nombuf); 1525 TX_PRINT("failed, no node", is_tx_nonode); 1526 TX_PRINT("unknown mgmt frame", is_tx_unknownmgt); 1527 printf("\tactive scans: %u\n", stats.is_scan_active); 1528 printf("\tpassive scans: %u\n", stats.is_scan_passive); 1529 printf("\tnodes timed-out for inactivity: %u\n", 1530 stats.is_node_timeout); 1531 printf("\tcrypto context memory unavailable: %u\n", 1532 stats.is_crypto_nomem); 1533 } 1534 1535 void 1536 ieee80211_status(void) 1537 { 1538 int i, nwkey_verbose; 1539 struct ieee80211_nwid nwid; 1540 struct ieee80211_nwkey nwkey; 1541 struct ieee80211_power power; 1542 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1543 struct ieee80211_bssid bssid; 1544 struct ieee80211chanreq channel; 1545 struct ether_addr ea; 1546 static const u_int8_t zero_macaddr[IEEE80211_ADDR_LEN]; 1547 1548 memset(&ifr, 0, sizeof(ifr)); 1549 ifr.ifr_data = (void *)&nwid; 1550 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1551 if (ioctl(s, SIOCG80211NWID, &ifr) == -1) 1552 return; 1553 if (nwid.i_len > IEEE80211_NWID_LEN) { 1554 warnx("SIOCG80211NWID: wrong length of nwid (%d)", nwid.i_len); 1555 return; 1556 } 1557 printf("\tssid "); 1558 print_string(nwid.i_nwid, nwid.i_len); 1559 memset(&nwkey, 0, sizeof(nwkey)); 1560 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1561 /* show nwkey only when WEP is enabled */ 1562 if (ioctl(s, SIOCG80211NWKEY, &nwkey) == -1 || 1563 nwkey.i_wepon == 0) { 1564 printf("\n"); 1565 goto skip_wep; 1566 } 1567 1568 printf(" nwkey "); 1569 /* try to retrieve WEP keys */ 1570 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1571 nwkey.i_key[i].i_keydat = keybuf[i]; 1572 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1573 } 1574 if (ioctl(s, SIOCG80211NWKEY, &nwkey) == -1) { 1575 printf("*****"); 1576 } else { 1577 nwkey_verbose = 0; 1578 /* check to see non default key or multiple keys defined */ 1579 if (nwkey.i_defkid != 1) { 1580 nwkey_verbose = 1; 1581 } else { 1582 for (i = 1; i < IEEE80211_WEP_NKID; i++) { 1583 if (nwkey.i_key[i].i_keylen != 0) { 1584 nwkey_verbose = 1; 1585 break; 1586 } 1587 } 1588 } 1589 /* check extra ambiguity with keywords */ 1590 if (!nwkey_verbose) { 1591 if (nwkey.i_key[0].i_keylen >= 2 && 1592 isdigit(nwkey.i_key[0].i_keydat[0]) && 1593 nwkey.i_key[0].i_keydat[1] == ':') 1594 nwkey_verbose = 1; 1595 else if (nwkey.i_key[0].i_keylen >= 7 && 1596 strncasecmp("persist", nwkey.i_key[0].i_keydat, 7) 1597 == 0) 1598 nwkey_verbose = 1; 1599 } 1600 if (nwkey_verbose) 1601 printf("%d:", nwkey.i_defkid); 1602 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1603 if (i > 0) 1604 printf(","); 1605 if (nwkey.i_key[i].i_keylen < 0) 1606 printf("persist"); 1607 else 1608 print_string(nwkey.i_key[i].i_keydat, 1609 nwkey.i_key[i].i_keylen); 1610 if (!nwkey_verbose) 1611 break; 1612 } 1613 } 1614 printf("\n"); 1615 1616 skip_wep: 1617 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1618 if (ioctl(s, SIOCG80211POWER, &power) == -1) 1619 goto skip_power; 1620 printf("\tpowersave "); 1621 if (power.i_enabled) 1622 printf("on (%dms sleep)", power.i_maxsleep); 1623 else 1624 printf("off"); 1625 printf("\n"); 1626 1627 skip_power: 1628 (void)strncpy(bssid.i_name, name, sizeof(bssid.i_name)); 1629 if (ioctl(s, SIOCG80211BSSID, &bssid) == -1) 1630 return; 1631 (void)strncpy(channel.i_name, name, sizeof(channel.i_name)); 1632 if (ioctl(s, SIOCG80211CHANNEL, &channel) == -1) 1633 return; 1634 if (memcmp(bssid.i_bssid, zero_macaddr, IEEE80211_ADDR_LEN) == 0) { 1635 if (channel.i_channel != (u_int16_t)-1) 1636 printf("\tchan %d\n", channel.i_channel); 1637 } else { 1638 memcpy(ea.ether_addr_octet, bssid.i_bssid, 1639 sizeof(ea.ether_addr_octet)); 1640 printf("\tbssid %s", ether_ntoa(&ea)); 1641 if (channel.i_channel != IEEE80211_CHAN_ANY) 1642 printf(" chan %d", channel.i_channel); 1643 printf("\n"); 1644 } 1645 } 1646 1647 static void 1648 media_error(int type, const char *val, const char *opt) 1649 { 1650 errx(EXIT_FAILURE, "unknown %s media %s: %s", 1651 get_media_type_string(type), opt, val); 1652 } 1653 1654 void 1655 init_current_media(void) 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, &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 1684 void 1685 process_media_commands(void) 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, &ifr) == -1) 1704 err(EXIT_FAILURE, "SIOCSIFMEDIA"); 1705 } 1706 1707 void 1708 setmedia(const char *val, int d) 1709 { 1710 int type, subtype, inst; 1711 1712 init_current_media(); 1713 1714 /* Only one media command may be given. */ 1715 if (actions & A_MEDIA) 1716 errx(EXIT_FAILURE, "only one `media' command may be issued"); 1717 1718 /* Must not come after mode commands */ 1719 if (actions & A_MEDIAMODE) 1720 errx(EXIT_FAILURE, 1721 "may not issue `media' after `mode' commands"); 1722 1723 /* Must not come after mediaopt commands */ 1724 if (actions & A_MEDIAOPT) 1725 errx(EXIT_FAILURE, 1726 "may not issue `media' after `mediaopt' commands"); 1727 1728 /* 1729 * No need to check if `instance' has been issued; setmediainst() 1730 * craps out if `media' has not been specified. 1731 */ 1732 1733 type = IFM_TYPE(media_current); 1734 inst = IFM_INST(media_current); 1735 1736 /* Look up the subtype. */ 1737 subtype = get_media_subtype(type, val); 1738 if (subtype == -1) 1739 media_error(type, val, "subtype"); 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 1747 void 1748 setmediaopt(const char *val, int d) 1749 { 1750 char *invalid; 1751 1752 init_current_media(); 1753 1754 /* Can only issue `mediaopt' once. */ 1755 if (actions & A_MEDIAOPTSET) 1756 errx(EXIT_FAILURE, "only one `mediaopt' command may be issued"); 1757 1758 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1759 if (actions & A_MEDIAINST) 1760 errx(EXIT_FAILURE, "may not issue `mediaopt' after `instance'"); 1761 1762 mediaopt_set = get_media_options(media_current, val, &invalid); 1763 if (mediaopt_set == -1) 1764 media_error(media_current, invalid, "option"); 1765 1766 /* Media will be set after other processing is complete. */ 1767 } 1768 1769 void 1770 unsetmediaopt(const char *val, int d) 1771 { 1772 char *invalid; 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(media_current, val, &invalid); 1792 if (mediaopt_clear == -1) 1793 media_error(media_current, invalid, "option"); 1794 1795 /* Media will be set after other processing is complete. */ 1796 } 1797 1798 void 1799 setmediainst(const char *val, 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 1826 void 1827 setmediamode(const char *val, int d) 1828 { 1829 int type, subtype, options, inst, mode; 1830 1831 init_current_media(); 1832 1833 /* Can only issue `mode' once. */ 1834 if (actions & A_MEDIAMODE) 1835 errx(EXIT_FAILURE, "only one `mode' command may be issued"); 1836 1837 type = IFM_TYPE(media_current); 1838 subtype = IFM_SUBTYPE(media_current); 1839 options = IFM_OPTIONS(media_current); 1840 inst = IFM_INST(media_current); 1841 1842 mode = get_media_mode(type, val); 1843 if (mode == -1) 1844 media_error(type, val, "mode"); 1845 1846 media_current = IFM_MAKEWORD(type, subtype, options, inst) | mode; 1847 1848 /* Media will be set after other processing is complete. */ 1849 } 1850 1851 void 1852 print_media_word(int ifmw, const char *opt_sep) 1853 { 1854 const char *str; 1855 1856 printf("%s", get_media_subtype_string(ifmw)); 1857 1858 /* Find mode. */ 1859 if (IFM_MODE(ifmw) != 0) { 1860 str = get_media_mode_string(ifmw); 1861 if (str != NULL) 1862 printf(" mode %s", str); 1863 } 1864 1865 /* Find options. */ 1866 for (; (str = get_media_option_string(&ifmw)) != NULL; opt_sep = ",") 1867 printf("%s%s", opt_sep, str); 1868 1869 if (IFM_INST(ifmw) != 0) 1870 printf(" instance %d", IFM_INST(ifmw)); 1871 } 1872 1873 int 1874 carrier(void) 1875 { 1876 struct ifmediareq ifmr; 1877 1878 (void) memset(&ifmr, 0, sizeof(ifmr)); 1879 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1880 1881 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1882 /* 1883 * Interface doesn't support SIOC{G,S}IFMEDIA; 1884 * assume ok. 1885 */ 1886 return 0; 1887 } 1888 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1889 /* 1890 * Interface doesn't report media-valid status. 1891 * assume ok. 1892 */ 1893 return 0; 1894 } 1895 /* otherwise, return ok for active, not-ok if not active. */ 1896 return !(ifmr.ifm_status & IFM_ACTIVE); 1897 } 1898 1899 1900 #define IFFBITS \ 1901 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 1902 \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 1903 1904 #define IFCAPBITS \ 1905 "\020\1IP4CSUM\2TCP4CSUM\3UDP4CSUM\4TCP6CSUM\5UDP6CSUM\6TCP4CSUM_Rx\7UDP4CSUM_Rx\10TSO4" 1906 1907 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1908 1909 const struct ifmedia_status_description ifm_status_descriptions[] = 1910 IFM_STATUS_DESCRIPTIONS; 1911 1912 /* 1913 * Print the status of the interface. If an address family was 1914 * specified, show it and it only; otherwise, show them all. 1915 */ 1916 void 1917 status(const struct sockaddr_dl *sdl) 1918 { 1919 struct afswtch *p = afp; 1920 struct ifmediareq ifmr; 1921 struct ifdatareq ifdr; 1922 int *media_list, i; 1923 char hbuf[NI_MAXHOST]; 1924 char fbuf[BUFSIZ]; 1925 1926 (void)snprintb(fbuf, sizeof(fbuf), IFFBITS, flags); 1927 printf("%s: flags=%s", name, &fbuf[2]); 1928 if (metric) 1929 printf(" metric %lu", metric); 1930 if (mtu) 1931 printf(" mtu %lu", mtu); 1932 printf("\n"); 1933 1934 if (g_ifcr.ifcr_capabilities) { 1935 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 1936 g_ifcr.ifcr_capabilities); 1937 printf("\tcapabilities=%s\n", &fbuf[2]); 1938 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 1939 g_ifcr.ifcr_capenable); 1940 printf("\tenabled=%s\n", &fbuf[2]); 1941 } 1942 1943 ieee80211_status(); 1944 vlan_status(); 1945 tunnel_status(); 1946 1947 if (sdl != NULL && 1948 getnameinfo((const struct sockaddr *)sdl, sdl->sdl_len, 1949 hbuf, sizeof(hbuf), NULL, 0, NI_NUMERICHOST) == 0 && 1950 hbuf[0] != '\0') 1951 printf("\taddress: %s\n", hbuf); 1952 1953 (void) memset(&ifmr, 0, sizeof(ifmr)); 1954 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1955 1956 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1957 /* 1958 * Interface doesn't support SIOC{G,S}IFMEDIA. 1959 */ 1960 goto iface_stats; 1961 } 1962 1963 if (ifmr.ifm_count == 0) { 1964 warnx("%s: no media types?", name); 1965 goto iface_stats; 1966 } 1967 1968 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1969 if (media_list == NULL) 1970 err(EXIT_FAILURE, "malloc"); 1971 ifmr.ifm_ulist = media_list; 1972 1973 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) 1974 err(EXIT_FAILURE, "SIOCGIFMEDIA"); 1975 1976 printf("\tmedia: %s ", get_media_type_string(ifmr.ifm_current)); 1977 print_media_word(ifmr.ifm_current, " "); 1978 if (ifmr.ifm_active != ifmr.ifm_current) { 1979 printf(" ("); 1980 print_media_word(ifmr.ifm_active, " "); 1981 printf(")"); 1982 } 1983 printf("\n"); 1984 1985 if (ifmr.ifm_status & IFM_STATUS_VALID) { 1986 const struct ifmedia_status_description *ifms; 1987 int bitno, found = 0; 1988 1989 printf("\tstatus: "); 1990 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 1991 for (ifms = ifm_status_descriptions; 1992 ifms->ifms_valid != 0; ifms++) { 1993 if (ifms->ifms_type != 1994 IFM_TYPE(ifmr.ifm_current) || 1995 ifms->ifms_valid != 1996 ifm_status_valid_list[bitno]) 1997 continue; 1998 printf("%s%s", found ? ", " : "", 1999 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 2000 found = 1; 2001 2002 /* 2003 * For each valid indicator bit, there's 2004 * only one entry for each media type, so 2005 * terminate the inner loop now. 2006 */ 2007 break; 2008 } 2009 } 2010 2011 if (found == 0) 2012 printf("unknown"); 2013 printf("\n"); 2014 } 2015 2016 if (mflag) { 2017 int type, printed_type; 2018 2019 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 2020 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 2021 if (IFM_TYPE(media_list[i]) != type) 2022 continue; 2023 if (printed_type == 0) { 2024 printf("\tsupported %s media:\n", 2025 get_media_type_string(type)); 2026 printed_type = 1; 2027 } 2028 printf("\t\tmedia "); 2029 print_media_word(media_list[i], " mediaopt "); 2030 printf("\n"); 2031 } 2032 } 2033 } 2034 2035 free(media_list); 2036 2037 iface_stats: 2038 if (!vflag && !zflag) 2039 goto proto_status; 2040 2041 (void) strncpy(ifdr.ifdr_name, name, sizeof(ifdr.ifdr_name)); 2042 2043 if (ioctl(s, zflag ? SIOCZIFDATA:SIOCGIFDATA, &ifdr) == -1) { 2044 err(EXIT_FAILURE, zflag ? "SIOCZIFDATA" : "SIOCGIFDATA"); 2045 } else { 2046 struct if_data * const ifi = &ifdr.ifdr_data; 2047 #define PLURAL(n) ((n) == 1 ? "" : "s") 2048 printf("\tinput: %llu packet%s, %llu byte%s", 2049 (unsigned long long) ifi->ifi_ipackets, 2050 PLURAL(ifi->ifi_ipackets), 2051 (unsigned long long) ifi->ifi_ibytes, 2052 PLURAL(ifi->ifi_ibytes)); 2053 if (ifi->ifi_imcasts) 2054 printf(", %llu multicast%s", 2055 (unsigned long long) ifi->ifi_imcasts, 2056 PLURAL(ifi->ifi_imcasts)); 2057 if (ifi->ifi_ierrors) 2058 printf(", %llu error%s", 2059 (unsigned long long) ifi->ifi_ierrors, 2060 PLURAL(ifi->ifi_ierrors)); 2061 if (ifi->ifi_iqdrops) 2062 printf(", %llu queue drop%s", 2063 (unsigned long long) ifi->ifi_iqdrops, 2064 PLURAL(ifi->ifi_iqdrops)); 2065 if (ifi->ifi_noproto) 2066 printf(", %llu unknown protocol", 2067 (unsigned long long) ifi->ifi_noproto); 2068 printf("\n\toutput: %llu packet%s, %llu byte%s", 2069 (unsigned long long) ifi->ifi_opackets, 2070 PLURAL(ifi->ifi_opackets), 2071 (unsigned long long) ifi->ifi_obytes, 2072 PLURAL(ifi->ifi_obytes)); 2073 if (ifi->ifi_omcasts) 2074 printf(", %llu multicast%s", 2075 (unsigned long long) ifi->ifi_omcasts, 2076 PLURAL(ifi->ifi_omcasts)); 2077 if (ifi->ifi_oerrors) 2078 printf(", %llu error%s", 2079 (unsigned long long) ifi->ifi_oerrors, 2080 PLURAL(ifi->ifi_oerrors)); 2081 if (ifi->ifi_collisions) 2082 printf(", %llu collision%s", 2083 (unsigned long long) ifi->ifi_collisions, 2084 PLURAL(ifi->ifi_collisions)); 2085 printf("\n"); 2086 #undef PLURAL 2087 } 2088 2089 ieee80211_statistics(); 2090 2091 proto_status: 2092 if ((p = afp) != NULL) { 2093 (*p->af_status)(1); 2094 } else for (p = afs; p->af_name; p++) { 2095 ifr.ifr_addr.sa_family = p->af_af; 2096 (*p->af_status)(0); 2097 } 2098 } 2099 2100 void 2101 tunnel_status(void) 2102 { 2103 char psrcaddr[NI_MAXHOST]; 2104 char pdstaddr[NI_MAXHOST]; 2105 const char *ver = ""; 2106 const int niflag = NI_NUMERICHOST; 2107 struct if_laddrreq req; 2108 2109 psrcaddr[0] = pdstaddr[0] = '\0'; 2110 2111 memset(&req, 0, sizeof(req)); 2112 strncpy(req.iflr_name, name, IFNAMSIZ); 2113 if (ioctl(s, SIOCGLIFPHYADDR, &req) == -1) 2114 return; 2115 #ifdef INET6 2116 if (req.addr.ss_family == AF_INET6) 2117 in6_fillscopeid((struct sockaddr_in6 *)&req.addr); 2118 #endif 2119 getnameinfo((struct sockaddr *)&req.addr, req.addr.ss_len, 2120 psrcaddr, sizeof(psrcaddr), 0, 0, niflag); 2121 #ifdef INET6 2122 if (req.addr.ss_family == AF_INET6) 2123 ver = "6"; 2124 #endif 2125 2126 #ifdef INET6 2127 if (req.dstaddr.ss_family == AF_INET6) 2128 in6_fillscopeid((struct sockaddr_in6 *)&req.dstaddr); 2129 #endif 2130 getnameinfo((struct sockaddr *)&req.dstaddr, req.dstaddr.ss_len, 2131 pdstaddr, sizeof(pdstaddr), 0, 0, niflag); 2132 2133 printf("\ttunnel inet%s %s --> %s\n", ver, psrcaddr, pdstaddr); 2134 } 2135 2136 void 2137 vlan_status(void) 2138 { 2139 struct vlanreq vlr; 2140 2141 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 2142 !isdigit((unsigned char)ifr.ifr_name[4])) 2143 return; 2144 2145 memset(&vlr, 0, sizeof(vlr)); 2146 ifr.ifr_data = (void *)&vlr; 2147 2148 if (ioctl(s, SIOCGETVLAN, &ifr) == -1) 2149 return; 2150 2151 if (vlr.vlr_tag || vlr.vlr_parent[0] != '\0') 2152 printf("\tvlan: %d parent: %s\n", 2153 vlr.vlr_tag, vlr.vlr_parent[0] == '\0' ? 2154 "<none>" : vlr.vlr_parent); 2155 } 2156 2157 void 2158 in_alias(struct ifreq *creq) 2159 { 2160 struct sockaddr_in *iasin; 2161 int alias; 2162 2163 if (lflag) 2164 return; 2165 2166 alias = 1; 2167 2168 /* Get the non-alias address for this interface. */ 2169 getsock(AF_INET); 2170 if (s < 0) { 2171 if (errno == EPROTONOSUPPORT) 2172 return; 2173 err(EXIT_FAILURE, "socket"); 2174 } 2175 (void) memset(&ifr, 0, sizeof(ifr)); 2176 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2177 if (ioctl(s, SIOCGIFADDR, &ifr) == -1) { 2178 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2179 return; 2180 } else 2181 warn("SIOCGIFADDR"); 2182 } 2183 /* If creq and ifr are the same address, this is not an alias. */ 2184 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 2185 sizeof(creq->ifr_addr)) == 0) 2186 alias = 0; 2187 (void) memset(&in_addreq, 0, sizeof(in_addreq)); 2188 (void) strncpy(in_addreq.ifra_name, name, sizeof(in_addreq.ifra_name)); 2189 memcpy(&in_addreq.ifra_addr, &creq->ifr_addr, 2190 sizeof(in_addreq.ifra_addr)); 2191 if (ioctl(s, SIOCGIFALIAS, &in_addreq) == -1) { 2192 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2193 return; 2194 } else 2195 warn("SIOCGIFALIAS"); 2196 } 2197 2198 iasin = &in_addreq.ifra_addr; 2199 printf("\tinet %s%s", alias ? "alias " : "", inet_ntoa(iasin->sin_addr)); 2200 2201 if (flags & IFF_POINTOPOINT) { 2202 iasin = &in_addreq.ifra_dstaddr; 2203 printf(" -> %s", inet_ntoa(iasin->sin_addr)); 2204 } 2205 2206 iasin = &in_addreq.ifra_mask; 2207 printf(" netmask 0x%x", ntohl(iasin->sin_addr.s_addr)); 2208 2209 if (flags & IFF_BROADCAST) { 2210 iasin = &in_addreq.ifra_broadaddr; 2211 printf(" broadcast %s", inet_ntoa(iasin->sin_addr)); 2212 } 2213 printf("\n"); 2214 } 2215 2216 void 2217 in_status(int force) 2218 { 2219 struct ifaddrs *ifap, *ifa; 2220 struct ifreq isifr; 2221 2222 if (getifaddrs(&ifap) != 0) 2223 err(EXIT_FAILURE, "getifaddrs"); 2224 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2225 if (strcmp(name, ifa->ifa_name) != 0) 2226 continue; 2227 if (ifa->ifa_addr->sa_family != AF_INET) 2228 continue; 2229 if (sizeof(isifr.ifr_addr) < ifa->ifa_addr->sa_len) 2230 continue; 2231 2232 memset(&isifr, 0, sizeof(isifr)); 2233 strncpy(isifr.ifr_name, ifa->ifa_name, sizeof(isifr.ifr_name)); 2234 memcpy(&isifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2235 in_alias(&isifr); 2236 } 2237 freeifaddrs(ifap); 2238 } 2239 2240 void 2241 setifprefixlen(const char *addr, int d) 2242 { 2243 if (*afp->af_getprefix) 2244 (*afp->af_getprefix)(addr, MASK); 2245 explicit_prefix = 1; 2246 } 2247 2248 #ifdef INET6 2249 void 2250 in6_fillscopeid(struct sockaddr_in6 *sin6) 2251 { 2252 #if defined(__KAME__) && defined(KAME_SCOPEID) 2253 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 2254 sin6->sin6_scope_id = 2255 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 2256 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 2257 } 2258 #endif 2259 } 2260 2261 /* XXX not really an alias */ 2262 void 2263 in6_alias(struct in6_ifreq *creq) 2264 { 2265 struct sockaddr_in6 *sin6; 2266 char hbuf[NI_MAXHOST]; 2267 u_int32_t scopeid; 2268 const int niflag = NI_NUMERICHOST; 2269 2270 /* Get the non-alias address for this interface. */ 2271 getsock(AF_INET6); 2272 if (s < 0) { 2273 if (errno == EPROTONOSUPPORT) 2274 return; 2275 err(EXIT_FAILURE, "socket"); 2276 } 2277 2278 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 2279 2280 in6_fillscopeid(sin6); 2281 scopeid = sin6->sin6_scope_id; 2282 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2283 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2284 strlcpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2285 printf("\tinet6 %s", hbuf); 2286 2287 if (flags & IFF_POINTOPOINT) { 2288 (void) memset(&ifr6, 0, sizeof(ifr6)); 2289 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2290 ifr6.ifr_addr = creq->ifr_addr; 2291 if (ioctl(s, SIOCGIFDSTADDR_IN6, &ifr6) == -1) { 2292 if (errno != EADDRNOTAVAIL) 2293 warn("SIOCGIFDSTADDR_IN6"); 2294 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 2295 ifr6.ifr_addr.sin6_family = AF_INET6; 2296 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 2297 } 2298 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2299 in6_fillscopeid(sin6); 2300 hbuf[0] = '\0'; 2301 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2302 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2303 strlcpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2304 printf(" -> %s", hbuf); 2305 } 2306 2307 (void) memset(&ifr6, 0, sizeof(ifr6)); 2308 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2309 ifr6.ifr_addr = creq->ifr_addr; 2310 if (ioctl(s, SIOCGIFNETMASK_IN6, &ifr6) == -1) { 2311 if (errno != EADDRNOTAVAIL) 2312 warn("SIOCGIFNETMASK_IN6"); 2313 } else { 2314 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2315 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 2316 sizeof(struct in6_addr))); 2317 } 2318 2319 (void) memset(&ifr6, 0, sizeof(ifr6)); 2320 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2321 ifr6.ifr_addr = creq->ifr_addr; 2322 if (ioctl(s, SIOCGIFAFLAG_IN6, &ifr6) == -1) { 2323 if (errno != EADDRNOTAVAIL) 2324 warn("SIOCGIFAFLAG_IN6"); 2325 } else { 2326 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 2327 printf(" anycast"); 2328 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 2329 printf(" tentative"); 2330 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 2331 printf(" duplicated"); 2332 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 2333 printf(" detached"); 2334 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DEPRECATED) 2335 printf(" deprecated"); 2336 } 2337 2338 if (scopeid) 2339 printf(" scopeid 0x%x", scopeid); 2340 2341 if (Lflag) { 2342 struct in6_addrlifetime *lifetime; 2343 (void) memset(&ifr6, 0, sizeof(ifr6)); 2344 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2345 ifr6.ifr_addr = creq->ifr_addr; 2346 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 2347 if (ioctl(s, SIOCGIFALIFETIME_IN6, &ifr6) == -1) { 2348 if (errno != EADDRNOTAVAIL) 2349 warn("SIOCGIFALIFETIME_IN6"); 2350 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 2351 time_t t = time(NULL); 2352 printf(" pltime "); 2353 if (lifetime->ia6t_preferred) { 2354 printf("%s", lifetime->ia6t_preferred < t 2355 ? "0" 2356 : sec2str(lifetime->ia6t_preferred - t)); 2357 } else 2358 printf("infty"); 2359 2360 printf(" vltime "); 2361 if (lifetime->ia6t_expire) { 2362 printf("%s", lifetime->ia6t_expire < t 2363 ? "0" 2364 : sec2str(lifetime->ia6t_expire - t)); 2365 } else 2366 printf("infty"); 2367 } 2368 } 2369 2370 printf("\n"); 2371 } 2372 2373 void 2374 in6_status(int force) 2375 { 2376 struct ifaddrs *ifap, *ifa; 2377 struct in6_ifreq isifr; 2378 2379 if (getifaddrs(&ifap) != 0) 2380 err(EXIT_FAILURE, "getifaddrs"); 2381 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2382 if (strcmp(name, ifa->ifa_name) != 0) 2383 continue; 2384 if (ifa->ifa_addr->sa_family != AF_INET6) 2385 continue; 2386 if (sizeof(isifr.ifr_addr) < ifa->ifa_addr->sa_len) 2387 continue; 2388 2389 memset(&isifr, 0, sizeof(isifr)); 2390 strncpy(isifr.ifr_name, ifa->ifa_name, sizeof(isifr.ifr_name)); 2391 memcpy(&isifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2392 in6_alias(&isifr); 2393 } 2394 freeifaddrs(ifap); 2395 } 2396 #endif /*INET6*/ 2397 2398 #ifndef INET_ONLY 2399 2400 void 2401 at_status(int force) 2402 { 2403 struct sockaddr_at *sat, null_sat; 2404 struct netrange *nr; 2405 2406 getsock(AF_APPLETALK); 2407 if (s < 0) { 2408 if (errno == EPROTONOSUPPORT) 2409 return; 2410 err(EXIT_FAILURE, "socket"); 2411 } 2412 (void) memset(&ifr, 0, sizeof(ifr)); 2413 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2414 if (ioctl(s, SIOCGIFADDR, &ifr) == -1) { 2415 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2416 if (!force) 2417 return; 2418 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2419 } else 2420 warn("SIOCGIFADDR"); 2421 } 2422 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2423 sat = (struct sockaddr_at *)&ifr.ifr_addr; 2424 2425 (void) memset(&null_sat, 0, sizeof(null_sat)); 2426 2427 nr = (struct netrange *) &sat->sat_zero; 2428 printf("\tatalk %d.%d range %d-%d phase %d", 2429 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2430 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 2431 if (flags & IFF_POINTOPOINT) { 2432 if (ioctl(s, SIOCGIFDSTADDR, &ifr) == -1) { 2433 if (errno == EADDRNOTAVAIL) 2434 (void) memset(&ifr.ifr_addr, 0, 2435 sizeof(ifr.ifr_addr)); 2436 else 2437 warn("SIOCGIFDSTADDR"); 2438 } 2439 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2440 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 2441 if (!sat) 2442 sat = &null_sat; 2443 printf("--> %d.%d", 2444 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 2445 } 2446 if (flags & IFF_BROADCAST) { 2447 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 2448 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 2449 if (sat) 2450 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 2451 sat->sat_addr.s_node); 2452 } 2453 printf("\n"); 2454 } 2455 2456 void 2457 xns_status(int force) 2458 { 2459 struct sockaddr_ns *sns; 2460 2461 getsock(AF_NS); 2462 if (s < 0) { 2463 if (errno == EPROTONOSUPPORT) 2464 return; 2465 err(EXIT_FAILURE, "socket"); 2466 } 2467 (void) memset(&ifr, 0, sizeof(ifr)); 2468 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2469 if (ioctl(s, SIOCGIFADDR, &ifr) == -1) { 2470 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2471 if (!force) 2472 return; 2473 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2474 } else 2475 warn("SIOCGIFADDR"); 2476 } 2477 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2478 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 2479 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 2480 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 2481 if (ioctl(s, SIOCGIFDSTADDR, &ifr) == -1) { 2482 if (errno == EADDRNOTAVAIL) 2483 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2484 else 2485 warn("SIOCGIFDSTADDR"); 2486 } 2487 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2488 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 2489 printf("--> %s ", ns_ntoa(sns->sns_addr)); 2490 } 2491 printf("\n"); 2492 } 2493 2494 void 2495 iso_status(int force) 2496 { 2497 struct sockaddr_iso *siso; 2498 struct iso_ifreq isoifr; 2499 2500 getsock(AF_ISO); 2501 if (s < 0) { 2502 if (errno == EPROTONOSUPPORT) 2503 return; 2504 err(EXIT_FAILURE, "socket"); 2505 } 2506 (void) memset(&isoifr, 0, sizeof(isoifr)); 2507 (void) strncpy(isoifr.ifr_name, name, sizeof(isoifr.ifr_name)); 2508 if (ioctl(s, SIOCGIFADDR_ISO, &isoifr) == -1) { 2509 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2510 if (!force) 2511 return; 2512 (void) memset(&isoifr.ifr_Addr, 0, 2513 sizeof(isoifr.ifr_Addr)); 2514 } else 2515 warn("SIOCGIFADDR_ISO"); 2516 } 2517 (void) strncpy(isoifr.ifr_name, name, sizeof isoifr.ifr_name); 2518 siso = &isoifr.ifr_Addr; 2519 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 2520 if (ioctl(s, SIOCGIFNETMASK_ISO, &isoifr) == -1) { 2521 if (errno == EADDRNOTAVAIL) 2522 memset(&isoifr.ifr_Addr, 0, sizeof(isoifr.ifr_Addr)); 2523 else 2524 warn("SIOCGIFNETMASK_ISO"); 2525 } else { 2526 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 2527 siso->siso_addr.isoa_len = siso->siso_len 2528 - offsetof(struct sockaddr_iso, siso_addr); 2529 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 2530 } 2531 if (flags & IFF_POINTOPOINT) { 2532 if (ioctl(s, SIOCGIFDSTADDR_ISO, &isoifr) == -1) { 2533 if (errno == EADDRNOTAVAIL) 2534 memset(&isoifr.ifr_Addr, 0, 2535 sizeof(isoifr.ifr_Addr)); 2536 else 2537 warn("SIOCGIFDSTADDR_ISO"); 2538 } 2539 (void) strncpy(isoifr.ifr_name, name, sizeof (isoifr.ifr_name)); 2540 siso = &isoifr.ifr_Addr; 2541 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 2542 } 2543 printf("\n"); 2544 } 2545 2546 #endif /* INET_ONLY */ 2547 2548 #define SIN(x) ((struct sockaddr_in *) &(x)) 2549 struct sockaddr_in *sintab[] = { 2550 SIN(ridreq.ifr_addr), SIN(in_addreq.ifra_addr), 2551 SIN(in_addreq.ifra_mask), SIN(in_addreq.ifra_broadaddr)}; 2552 2553 void 2554 in_getaddr(const char *str, int which) 2555 { 2556 struct sockaddr_in *gasin = sintab[which]; 2557 struct hostent *hp; 2558 struct netent *np; 2559 2560 gasin->sin_len = sizeof(*gasin); 2561 if (which != MASK) 2562 gasin->sin_family = AF_INET; 2563 2564 if (which == ADDR) { 2565 char *p = NULL; 2566 if ((p = strrchr(str, '/')) != NULL) { 2567 *p = '\0'; 2568 in_getprefix(p + 1, MASK); 2569 } 2570 } 2571 2572 if (inet_aton(str, &gasin->sin_addr) == 0) { 2573 if ((hp = gethostbyname(str)) != NULL) 2574 (void) memcpy(&gasin->sin_addr, hp->h_addr, hp->h_length); 2575 else if ((np = getnetbyname(str)) != NULL) 2576 gasin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 2577 else 2578 errx(EXIT_FAILURE, "%s: bad value", str); 2579 } 2580 } 2581 2582 void 2583 in_getprefix(const char *plen, int which) 2584 { 2585 struct sockaddr_in *igsin = sintab[which]; 2586 u_char *cp; 2587 int len = strtol(plen, (char **)NULL, 10); 2588 2589 if ((len < 0) || (len > 32)) 2590 errx(EXIT_FAILURE, "%s: bad value", plen); 2591 igsin->sin_len = sizeof(*igsin); 2592 if (which != MASK) 2593 igsin->sin_family = AF_INET; 2594 if ((len == 0) || (len == 32)) { 2595 memset(&igsin->sin_addr, 0xff, sizeof(struct in_addr)); 2596 return; 2597 } 2598 memset((void *)&igsin->sin_addr, 0x00, sizeof(igsin->sin_addr)); 2599 for (cp = (u_char *)&igsin->sin_addr; len > 7; len -= 8) 2600 *cp++ = 0xff; 2601 if (len) 2602 *cp = 0xff << (8 - len); 2603 } 2604 2605 #ifdef INET6 2606 #define SIN6(x) ((struct sockaddr_in6 *) &(x)) 2607 struct sockaddr_in6 *sin6tab[] = { 2608 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 2609 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 2610 2611 void 2612 in6_getaddr(const char *str, int which) 2613 { 2614 #if defined(__KAME__) && defined(KAME_SCOPEID) 2615 struct sockaddr_in6 *sin6 = sin6tab[which]; 2616 struct addrinfo hints, *res; 2617 int error; 2618 char *slash = NULL; 2619 2620 if (which == ADDR) { 2621 if ((slash = strrchr(str, '/')) != NULL) 2622 *slash = '\0'; 2623 } 2624 2625 memset(&hints, 0, sizeof(hints)); 2626 hints.ai_family = AF_INET6; 2627 hints.ai_socktype = SOCK_DGRAM; 2628 #if 0 /* in_getaddr() allows FQDN */ 2629 hints.ai_flags = AI_NUMERICHOST; 2630 #endif 2631 error = getaddrinfo(str, "0", &hints, &res); 2632 if (error && slash) { 2633 /* try again treating the '/' as part of the name */ 2634 *slash = '/'; 2635 slash = NULL; 2636 error = getaddrinfo(str, "0", &hints, &res); 2637 } 2638 if (error) 2639 errx(EXIT_FAILURE, "%s: %s", str, gai_strerror(error)); 2640 if (res->ai_next) 2641 errx(EXIT_FAILURE, "%s: resolved to multiple addresses", str); 2642 if (res->ai_addrlen != sizeof(struct sockaddr_in6)) 2643 errx(EXIT_FAILURE, "%s: bad value", str); 2644 memcpy(sin6, res->ai_addr, res->ai_addrlen); 2645 freeaddrinfo(res); 2646 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) { 2647 *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = 2648 htons(sin6->sin6_scope_id); 2649 sin6->sin6_scope_id = 0; 2650 } 2651 if (slash) { 2652 in6_getprefix(slash + 1, MASK); 2653 explicit_prefix = 1; 2654 } 2655 #else 2656 struct sockaddr_in6 *gasin = sin6tab[which]; 2657 2658 gasin->sin6_len = sizeof(*gasin); 2659 if (which != MASK) 2660 gasin->sin6_family = AF_INET6; 2661 2662 if (which == ADDR) { 2663 char *p = NULL; 2664 if((p = strrchr(str, '/')) != NULL) { 2665 *p = '\0'; 2666 in6_getprefix(p + 1, MASK); 2667 explicit_prefix = 1; 2668 } 2669 } 2670 2671 if (inet_pton(AF_INET6, str, &gasin->sin6_addr) != 1) 2672 errx(EXIT_FAILURE, "%s: bad value", str); 2673 #endif 2674 } 2675 2676 void 2677 in6_getprefix(const char *plen, int which) 2678 { 2679 struct sockaddr_in6 *gpsin = sin6tab[which]; 2680 u_char *cp; 2681 int len = strtol(plen, (char **)NULL, 10); 2682 2683 if ((len < 0) || (len > 128)) 2684 errx(EXIT_FAILURE, "%s: bad value", plen); 2685 gpsin->sin6_len = sizeof(*gpsin); 2686 if (which != MASK) 2687 gpsin->sin6_family = AF_INET6; 2688 if ((len == 0) || (len == 128)) { 2689 memset(&gpsin->sin6_addr, 0xff, sizeof(struct in6_addr)); 2690 return; 2691 } 2692 memset((void *)&gpsin->sin6_addr, 0x00, sizeof(gpsin->sin6_addr)); 2693 for (cp = (u_char *)&gpsin->sin6_addr; len > 7; len -= 8) 2694 *cp++ = 0xff; 2695 if (len) 2696 *cp = 0xff << (8 - len); 2697 } 2698 2699 int 2700 prefix(void *val, int size) 2701 { 2702 u_char *pname = (u_char *)val; 2703 int byte, bit, plen = 0; 2704 2705 for (byte = 0; byte < size; byte++, plen += 8) 2706 if (pname[byte] != 0xff) 2707 break; 2708 if (byte == size) 2709 return (plen); 2710 for (bit = 7; bit != 0; bit--, plen++) 2711 if (!(pname[byte] & (1 << bit))) 2712 break; 2713 for (; bit != 0; bit--) 2714 if (pname[byte] & (1 << bit)) 2715 return(0); 2716 byte++; 2717 for (; byte < size; byte++) 2718 if (pname[byte]) 2719 return(0); 2720 return (plen); 2721 } 2722 #endif /*INET6*/ 2723 2724 #ifndef INET_ONLY 2725 void 2726 at_getaddr(const char *addr, int which) 2727 { 2728 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 2729 u_int net, node; 2730 2731 sat->sat_family = AF_APPLETALK; 2732 sat->sat_len = sizeof(*sat); 2733 if (which == MASK) 2734 errx(EXIT_FAILURE, "AppleTalk does not use netmasks"); 2735 if (sscanf(addr, "%u.%u", &net, &node) != 2 2736 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 2737 errx(EXIT_FAILURE, "%s: illegal address", addr); 2738 sat->sat_addr.s_net = htons(net); 2739 sat->sat_addr.s_node = node; 2740 } 2741 2742 void 2743 setatrange(const char *range, int d) 2744 { 2745 u_short first = 123, last = 123; 2746 2747 if (sscanf(range, "%hu-%hu", &first, &last) != 2 2748 || first == 0 /* || first > 0xffff */ 2749 || last == 0 /* || last > 0xffff */ || first > last) 2750 errx(EXIT_FAILURE, "%s: illegal net range: %u-%u", range, 2751 first, last); 2752 at_nr.nr_firstnet = htons(first); 2753 at_nr.nr_lastnet = htons(last); 2754 } 2755 2756 void 2757 setatphase(const char *phase, int d) 2758 { 2759 if (!strcmp(phase, "1")) 2760 at_nr.nr_phase = 1; 2761 else if (!strcmp(phase, "2")) 2762 at_nr.nr_phase = 2; 2763 else 2764 errx(EXIT_FAILURE, "%s: illegal phase", phase); 2765 } 2766 2767 void 2768 checkatrange(struct sockaddr_at *sat) 2769 { 2770 if (at_nr.nr_phase == 0) 2771 at_nr.nr_phase = 2; /* Default phase 2 */ 2772 if (at_nr.nr_firstnet == 0) 2773 at_nr.nr_firstnet = /* Default range of one */ 2774 at_nr.nr_lastnet = sat->sat_addr.s_net; 2775 printf("\tatalk %d.%d range %d-%d phase %d\n", 2776 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2777 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 2778 if ((u_short) ntohs(at_nr.nr_firstnet) > 2779 (u_short) ntohs(sat->sat_addr.s_net) 2780 || (u_short) ntohs(at_nr.nr_lastnet) < 2781 (u_short) ntohs(sat->sat_addr.s_net)) 2782 errx(EXIT_FAILURE, "AppleTalk address is not in range"); 2783 *((struct netrange *) &sat->sat_zero) = at_nr; 2784 } 2785 2786 #define SNS(x) ((struct sockaddr_ns *) &(x)) 2787 struct sockaddr_ns *snstab[] = { 2788 SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 2789 SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 2790 2791 void 2792 xns_getaddr(const char *addr, int which) 2793 { 2794 struct sockaddr_ns *sns = snstab[which]; 2795 2796 sns->sns_family = AF_NS; 2797 sns->sns_len = sizeof(*sns); 2798 sns->sns_addr = ns_addr(addr); 2799 if (which == MASK) 2800 puts("Attempt to set XNS netmask will be ineffectual"); 2801 } 2802 2803 #define SISO(x) ((struct sockaddr_iso *) &(x)) 2804 struct sockaddr_iso *sisotab[] = { 2805 SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 2806 SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 2807 2808 void 2809 iso_getaddr(const char *addr, int which) 2810 { 2811 struct sockaddr_iso *siso = sisotab[which]; 2812 siso->siso_addr = *iso_addr(addr); 2813 2814 if (which == MASK) { 2815 siso->siso_len = TSEL(siso) - (char *)(siso); 2816 siso->siso_nlen = 0; 2817 } else { 2818 siso->siso_len = sizeof(*siso); 2819 siso->siso_family = AF_ISO; 2820 } 2821 } 2822 2823 void 2824 setsnpaoffset(const char *val, int d) 2825 { 2826 iso_addreq.ifra_snpaoffset = atoi(val); 2827 } 2828 2829 void 2830 setnsellength(const char *val, int d) 2831 { 2832 nsellength = atoi(val); 2833 if (nsellength < 0) 2834 errx(EXIT_FAILURE, "Negative NSEL length is absurd"); 2835 if (afp == 0 || afp->af_af != AF_ISO) 2836 errx(EXIT_FAILURE, "Setting NSEL length valid only for iso"); 2837 } 2838 2839 void 2840 fixnsel(struct sockaddr_iso *siso) 2841 { 2842 if (siso->siso_family == 0) 2843 return; 2844 siso->siso_tlen = nsellength; 2845 } 2846 2847 void 2848 adjust_nsellength(void) 2849 { 2850 fixnsel(sisotab[RIDADDR]); 2851 fixnsel(sisotab[ADDR]); 2852 fixnsel(sisotab[DSTADDR]); 2853 } 2854 2855 #endif /* INET_ONLY */ 2856 2857 void 2858 usage(void) 2859 { 2860 const char *progname = getprogname(); 2861 2862 fprintf(stderr, 2863 "usage: %s [-m] [-v] [-z] " 2864 #ifdef INET6 2865 "[-L] " 2866 #endif 2867 "interface\n" 2868 "\t[ af [ address [ dest_addr ] ] [ netmask mask ] [ prefixlen n ]\n" 2869 "\t\t[ alias | -alias ] ]\n" 2870 "\t[ up ] [ down ] [ metric n ] [ mtu n ]\n" 2871 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n" 2872 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n" 2873 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n" 2874 "\t[ arp | -arp ]\n" 2875 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] " 2876 "[ instance minst ]\n" 2877 "\t[ vlan n vlanif i ]\n" 2878 "\t[ anycast | -anycast ] [ deprecated | -deprecated ]\n" 2879 "\t[ tentative | -tentative ] [ pltime n ] [ vltime n ] [ eui64 ]\n" 2880 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" 2881 " %s -a [-b] [-m] [-d] [-u] [-v] [-z] [ af ]\n" 2882 " %s -l [-b] [-d] [-u] [-s]\n" 2883 " %s -C\n" 2884 " %s interface create\n" 2885 " %s interface destroy\n", 2886 progname, progname, progname, progname, progname, progname); 2887 exit(1); 2888 } 2889 2890 #ifdef INET6 2891 char * 2892 sec2str(total) 2893 time_t total; 2894 { 2895 static char result[256]; 2896 int days, hours, mins, secs; 2897 int first = 1; 2898 char *p = result; 2899 char *end = &result[sizeof(result)]; 2900 int n; 2901 2902 if (0) { /*XXX*/ 2903 days = total / 3600 / 24; 2904 hours = (total / 3600) % 24; 2905 mins = (total / 60) % 60; 2906 secs = total % 60; 2907 2908 if (days) { 2909 first = 0; 2910 n = snprintf(p, end - p, "%dd", days); 2911 if (n < 0 || n >= end - p) 2912 return(result); 2913 p += n; 2914 } 2915 if (!first || hours) { 2916 first = 0; 2917 n = snprintf(p, end - p, "%dh", hours); 2918 if (n < 0 || n >= end - p) 2919 return(result); 2920 p += n; 2921 } 2922 if (!first || mins) { 2923 first = 0; 2924 n = snprintf(p, end - p, "%dm", mins); 2925 if (n < 0 || n >= end - p) 2926 return(result); 2927 p += n; 2928 } 2929 snprintf(p, end - p, "%ds", secs); 2930 } else 2931 snprintf(p, end - p, "%lu", (u_long)total); 2932 2933 return(result); 2934 } 2935 #endif 2936
Indexes created Tue Sep 30 07:10:03 GMT 2025