ifconfig.c revision 1.155
1 /* $NetBSD: ifconfig.c,v 1.155 2005/03/19 03:53:55 thorpej 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 1.155 2005/03/19 03:53:55 thorpej 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 <netinet/in.h> 94 #include <netinet/in_var.h> 95 #ifdef INET6 96 #include <netinet6/nd6.h> 97 #endif 98 #include <arpa/inet.h> 99 100 #include <netatalk/at.h> 101 102 #define NSIP 103 #include <netns/ns.h> 104 #include <netns/ns_if.h> 105 #include <netdb.h> 106 107 #define EON 108 #include <netiso/iso.h> 109 #include <netiso/iso_var.h> 110 #include <sys/protosw.h> 111 112 #include <ctype.h> 113 #include <err.h> 114 #include <errno.h> 115 #include <stddef.h> 116 #include <stdio.h> 117 #include <stdlib.h> 118 #include <string.h> 119 #include <unistd.h> 120 #include <ifaddrs.h> 121 #include <util.h> 122 123 #include "agr.h" 124 #include "vlan.h" 125 126 struct ifreq ifr, ridreq; 127 struct ifaliasreq addreq __attribute__((aligned(4))); 128 struct in_aliasreq in_addreq; 129 #ifdef INET6 130 struct in6_ifreq ifr6; 131 struct in6_ifreq in6_ridreq; 132 struct in6_aliasreq in6_addreq; 133 #endif 134 struct iso_ifreq iso_ridreq; 135 struct iso_aliasreq iso_addreq; 136 struct sockaddr_in netmask; 137 struct netrange at_nr; /* AppleTalk net range */ 138 139 char name[30]; 140 u_short flags; 141 int setaddr, setipdst, doalias; 142 u_long metric, mtu; 143 int clearaddr, s; 144 int newaddr = -1; 145 int conflicting = 0; 146 int nsellength = 1; 147 int af; 148 int aflag, bflag, Cflag, dflag, lflag, mflag, sflag, uflag, vflag, zflag; 149 #ifdef INET6 150 int Lflag; 151 #endif 152 int explicit_prefix = 0; 153 154 struct ifcapreq g_ifcr; 155 int g_ifcr_updated; 156 157 void notealias(const char *, int); 158 void notrailers(const char *, int); 159 void setifaddr(const char *, int); 160 void setifdstaddr(const char *, int); 161 void setifflags(const char *, int); 162 void setifcaps(const char *, int); 163 void setifbroadaddr(const char *, int); 164 void setifipdst(const char *, int); 165 void setifmetric(const char *, int); 166 void setifmtu(const char *, int); 167 void setifnwid(const char *, int); 168 void setifnwkey(const char *, int); 169 void setifbssid(const char *, int); 170 void setifchan(const char *, int); 171 void setifpowersave(const char *, int); 172 void setifpowersavesleep(const char *, int); 173 void setifnetmask(const char *, int); 174 void setifprefixlen(const char *, int); 175 void setnsellength(const char *, int); 176 void setsnpaoffset(const char *, int); 177 void setatrange(const char *, int); 178 void setatphase(const char *, int); 179 void settunnel(const char *, const char *); 180 void deletetunnel(const char *, int); 181 #ifdef INET6 182 void setia6flags(const char *, int); 183 void setia6pltime(const char *, int); 184 void setia6vltime(const char *, int); 185 void setia6lifetime(const char *, const char *); 186 void setia6eui64(const char *, int); 187 #endif 188 void checkatrange(struct sockaddr_at *); 189 void setmedia(const char *, int); 190 void setmediamode(const char *, int); 191 void setmediaopt(const char *, int); 192 void unsetmediaopt(const char *, int); 193 void setmediainst(const char *, int); 194 void clone_create(const char *, int); 195 void clone_destroy(const char *, int); 196 void fixnsel(struct sockaddr_iso *); 197 int main(int, char *[]); 198 199 /* 200 * Media stuff. Whenever a media command is first performed, the 201 * currently select media is grabbed for this interface. If `media' 202 * is given, the current media word is modifed. `mediaopt' commands 203 * only modify the set and clear words. They then operate on the 204 * current media word later. 205 */ 206 int media_current; 207 int mediaopt_set; 208 int mediaopt_clear; 209 210 int actions; /* Actions performed */ 211 212 #define A_MEDIA 0x0001 /* media command */ 213 #define A_MEDIAOPTSET 0x0002 /* mediaopt command */ 214 #define A_MEDIAOPTCLR 0x0004 /* -mediaopt command */ 215 #define A_MEDIAOPT (A_MEDIAOPTSET|A_MEDIAOPTCLR) 216 #define A_MEDIAINST 0x0008 /* instance or inst command */ 217 #define A_MEDIAMODE 0x0010 /* mode command */ 218 219 #define NEXTARG 0xffffff 220 #define NEXTARG2 0xfffffe 221 222 const struct cmd { 223 const char *c_name; 224 int c_parameter; /* NEXTARG means next argv */ 225 int c_action; /* defered action */ 226 void (*c_func)(const char *, int); 227 void (*c_func2)(const char *, const char *); 228 } cmds[] = { 229 { "up", IFF_UP, 0, setifflags } , 230 { "down", -IFF_UP, 0, setifflags }, 231 { "trailers", -1, 0, notrailers }, 232 { "-trailers", 1, 0, notrailers }, 233 { "arp", -IFF_NOARP, 0, setifflags }, 234 { "-arp", IFF_NOARP, 0, setifflags }, 235 { "debug", IFF_DEBUG, 0, setifflags }, 236 { "-debug", -IFF_DEBUG, 0, setifflags }, 237 { "alias", IFF_UP, 0, notealias }, 238 { "-alias", -IFF_UP, 0, notealias }, 239 { "delete", -IFF_UP, 0, notealias }, 240 #ifdef notdef 241 #define EN_SWABIPS 0x1000 242 { "swabips", EN_SWABIPS, 0, setifflags }, 243 { "-swabips", -EN_SWABIPS, 0, setifflags }, 244 #endif 245 { "netmask", NEXTARG, 0, setifnetmask }, 246 { "metric", NEXTARG, 0, setifmetric }, 247 { "mtu", NEXTARG, 0, setifmtu }, 248 { "bssid", NEXTARG, 0, setifbssid }, 249 { "-bssid", -1, 0, setifbssid }, 250 { "chan", NEXTARG, 0, setifchan }, 251 { "-chan", -1, 0, setifchan }, 252 { "ssid", NEXTARG, 0, setifnwid }, 253 { "nwid", NEXTARG, 0, setifnwid }, 254 { "nwkey", NEXTARG, 0, setifnwkey }, 255 { "-nwkey", -1, 0, setifnwkey }, 256 { "powersave", 1, 0, setifpowersave }, 257 { "-powersave", 0, 0, setifpowersave }, 258 { "powersavesleep", NEXTARG, 0, setifpowersavesleep }, 259 { "broadcast", NEXTARG, 0, setifbroadaddr }, 260 { "ipdst", NEXTARG, 0, setifipdst }, 261 { "prefixlen", NEXTARG, 0, setifprefixlen}, 262 #ifdef INET6 263 { "anycast", IN6_IFF_ANYCAST, 0, setia6flags }, 264 { "-anycast", -IN6_IFF_ANYCAST, 0, setia6flags }, 265 { "tentative", IN6_IFF_TENTATIVE, 0, setia6flags }, 266 { "-tentative", -IN6_IFF_TENTATIVE, 0, setia6flags }, 267 { "deprecated", IN6_IFF_DEPRECATED, 0, setia6flags }, 268 { "-deprecated", -IN6_IFF_DEPRECATED, 0, setia6flags }, 269 { "pltime", NEXTARG, 0, setia6pltime }, 270 { "vltime", NEXTARG, 0, setia6vltime }, 271 { "eui64", 0, 0, setia6eui64 }, 272 #endif /*INET6*/ 273 #ifndef INET_ONLY 274 { "range", NEXTARG, 0, setatrange }, 275 { "phase", NEXTARG, 0, setatphase }, 276 { "snpaoffset", NEXTARG, 0, setsnpaoffset }, 277 { "nsellength", NEXTARG, 0, setnsellength }, 278 #endif /* INET_ONLY */ 279 { "tunnel", NEXTARG2, 0, NULL, 280 settunnel } , 281 { "deletetunnel", 0, 0, deletetunnel }, 282 { "vlan", NEXTARG, 0, setvlan } , 283 { "vlanif", NEXTARG, 0, setvlanif } , 284 { "-vlanif", 0, 0, unsetvlanif } , 285 #if 0 286 /* XXX `create' special-cased below */ 287 { "create", 0, 0, clone_create } , 288 #endif 289 { "destroy", 0, 0, clone_destroy } , 290 { "link0", IFF_LINK0, 0, setifflags } , 291 { "-link0", -IFF_LINK0, 0, setifflags } , 292 { "link1", IFF_LINK1, 0, setifflags } , 293 { "-link1", -IFF_LINK1, 0, setifflags } , 294 { "link2", IFF_LINK2, 0, setifflags } , 295 { "-link2", -IFF_LINK2, 0, setifflags } , 296 { "media", NEXTARG, A_MEDIA, setmedia }, 297 { "mediaopt", NEXTARG, A_MEDIAOPTSET, setmediaopt }, 298 { "-mediaopt", NEXTARG, A_MEDIAOPTCLR, unsetmediaopt }, 299 { "mode", NEXTARG, A_MEDIAMODE, setmediamode }, 300 { "instance", NEXTARG, A_MEDIAINST, setmediainst }, 301 { "inst", NEXTARG, A_MEDIAINST, setmediainst }, 302 { "ip4csum", IFCAP_CSUM_IPv4,0, setifcaps }, 303 { "-ip4csum", -IFCAP_CSUM_IPv4,0, setifcaps }, 304 { "tcp4csum", IFCAP_CSUM_TCPv4,0, setifcaps }, 305 { "-tcp4csum", -IFCAP_CSUM_TCPv4,0, setifcaps }, 306 { "udp4csum", IFCAP_CSUM_UDPv4,0, setifcaps }, 307 { "-udp4csum", -IFCAP_CSUM_UDPv4,0, setifcaps }, 308 { "tcp6csum", IFCAP_CSUM_TCPv6,0, setifcaps }, 309 { "-tcp6csum", -IFCAP_CSUM_TCPv6,0, setifcaps }, 310 { "udp6csum", IFCAP_CSUM_UDPv6,0, setifcaps }, 311 { "-udp6csum", -IFCAP_CSUM_UDPv6,0, setifcaps }, 312 { "tcp4csum-rx",IFCAP_CSUM_TCPv4_Rx,0, setifcaps }, 313 { "-tcp4csum-rx",-IFCAP_CSUM_TCPv4_Rx,0, setifcaps }, 314 { "udp4csum-rx",IFCAP_CSUM_UDPv4_Rx,0, setifcaps }, 315 { "-udp4csum-rx",-IFCAP_CSUM_UDPv4_Rx,0, setifcaps }, 316 { "tso4", IFCAP_TSOv4, 0, setifcaps }, 317 { "-tso4", -IFCAP_TSOv4, 0, setifcaps }, 318 { "agrport", NEXTARG, 0, agraddport } , 319 { "-agrport", NEXTARG, 0, agrremport } , 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); 366 367 /* Known address families */ 368 struct afswtch { 369 const char *af_name; 370 short af_af; 371 void (*af_status)(int); 372 void (*af_getaddr)(const char *, int); 373 void (*af_getprefix)(const char *, int); 374 u_long af_difaddr; 375 u_long af_aifaddr; 376 u_long af_gifaddr; 377 void *af_ridreq; 378 void *af_addreq; 379 } afs[] = { 380 { "inet", AF_INET, in_status, in_getaddr, in_getprefix, 381 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, &ridreq, &in_addreq }, 382 #ifdef INET6 383 { "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix, 384 SIOCDIFADDR_IN6, SIOCAIFADDR_IN6, 385 /* 386 * Deleting the first address before setting new one is 387 * not prefered way in this protocol. 388 */ 389 0, 390 &in6_ridreq, &in6_addreq }, 391 #endif 392 #ifndef INET_ONLY /* small version, for boot media */ 393 { "atalk", AF_APPLETALK, at_status, at_getaddr, NULL, 394 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, &addreq, &addreq }, 395 { "ns", AF_NS, xns_status, xns_getaddr, NULL, 396 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, &ridreq, &addreq }, 397 { "iso", AF_ISO, iso_status, iso_getaddr, NULL, 398 SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, SIOCGIFADDR_ISO, 399 &iso_ridreq, &iso_addreq }, 400 #endif /* INET_ONLY */ 401 { 0, 0, 0, 0 } 402 }; 403 404 struct afswtch *afp; /*the address family being set or asked about*/ 405 406 struct afswtch *lookup_af(const char *); 407 408 int 409 main(int argc, char *argv[]) 410 { 411 int ch; 412 413 /* Parse command-line options */ 414 aflag = mflag = vflag = zflag = 0; 415 while ((ch = getopt(argc, argv, "AabCdlmsuvz" 416 #ifdef INET6 417 "L" 418 #endif 419 )) != -1) { 420 switch (ch) { 421 case 'A': 422 warnx("-A is deprecated"); 423 break; 424 425 case 'a': 426 aflag = 1; 427 break; 428 429 case 'b': 430 bflag = 1; 431 break; 432 433 case 'C': 434 Cflag = 1; 435 break; 436 437 case 'd': 438 dflag = 1; 439 break; 440 441 #ifdef INET6 442 case 'L': 443 Lflag = 1; 444 break; 445 #endif 446 447 case 'l': 448 lflag = 1; 449 break; 450 451 case 'm': 452 mflag = 1; 453 break; 454 455 case 's': 456 sflag = 1; 457 break; 458 459 case 'u': 460 uflag = 1; 461 break; 462 463 case 'v': 464 vflag = 1; 465 break; 466 467 case 'z': 468 zflag = 1; 469 break; 470 471 472 default: 473 usage(); 474 /* NOTREACHED */ 475 } 476 } 477 argc -= optind; 478 argv += optind; 479 480 /* 481 * -l means "list all interfaces", and is mutally exclusive with 482 * all other flags/commands. 483 * 484 * -C means "list all names of cloners", and it mutually exclusive 485 * with all other flags/commands. 486 * 487 * -a means "print status of all interfaces". 488 */ 489 if ((lflag || Cflag) && (aflag || mflag || vflag || argc || zflag)) 490 usage(); 491 #ifdef INET6 492 if ((lflag || Cflag) && Lflag) 493 usage(); 494 #endif 495 if (lflag && Cflag) 496 usage(); 497 if (Cflag) { 498 if (argc) 499 usage(); 500 list_cloners(); 501 exit(0); 502 } 503 if (aflag || lflag) { 504 if (argc > 1) 505 usage(); 506 else if (argc == 1) { 507 afp = lookup_af(argv[0]); 508 if (afp == NULL) 509 usage(); 510 } 511 if (afp) 512 af = ifr.ifr_addr.sa_family = afp->af_af; 513 else 514 af = ifr.ifr_addr.sa_family = afs[0].af_af; 515 printall(NULL); 516 exit(0); 517 } 518 519 /* Make sure there's an interface name. */ 520 if (argc < 1) 521 usage(); 522 if (strlcpy(name, argv[0], sizeof(name)) >= sizeof(name)) 523 errx(1, "interface name '%s' too long", argv[0]); 524 argc--; argv++; 525 526 /* 527 * NOTE: We must special-case the `create' command right 528 * here as we would otherwise fail in getinfo(). 529 */ 530 if (argc > 0 && strcmp(argv[0], "create") == 0) { 531 clone_create(argv[0], 0); 532 argc--, argv++; 533 if (argc == 0) 534 exit(0); 535 } 536 537 /* Check for address family. */ 538 afp = NULL; 539 if (argc > 0) { 540 afp = lookup_af(argv[0]); 541 if (afp != NULL) { 542 argv++; 543 argc--; 544 } 545 } 546 547 /* Initialize af, just for use in getinfo(). */ 548 if (afp == NULL) 549 af = afs->af_af; 550 else 551 af = afp->af_af; 552 553 /* Get information about the interface. */ 554 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 555 if (getinfo(&ifr) < 0) 556 exit(1); 557 558 if (sflag) { 559 if (argc != 0) 560 usage(); 561 else 562 exit(carrier()); 563 } 564 565 /* No more arguments means interface status. */ 566 if (argc == 0) { 567 printall(name); 568 exit(0); 569 } 570 571 /* The following operations assume inet family as the default. */ 572 if (afp == NULL) 573 afp = afs; 574 af = ifr.ifr_addr.sa_family = afp->af_af; 575 576 #ifdef INET6 577 /* initialization */ 578 in6_addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; 579 in6_addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; 580 #endif 581 582 /* Process commands. */ 583 while (argc > 0) { 584 const struct cmd *p; 585 586 for (p = cmds; p->c_name; p++) 587 if (strcmp(argv[0], p->c_name) == 0) 588 break; 589 if (p->c_name == 0 && setaddr) { 590 if ((flags & IFF_POINTOPOINT) == 0) { 591 errx(EXIT_FAILURE, 592 "can't set destination address %s", 593 "on non-point-to-point link"); 594 } 595 p++; /* got src, do dst */ 596 } 597 if (p->c_func != NULL || p->c_func2 != NULL) { 598 if (p->c_parameter == NEXTARG) { 599 if (argc < 2) 600 errx(EXIT_FAILURE, 601 "'%s' requires argument", 602 p->c_name); 603 (*p->c_func)(argv[1], 0); 604 argc--, argv++; 605 } else if (p->c_parameter == NEXTARG2) { 606 if (argc < 3) 607 errx(EXIT_FAILURE, 608 "'%s' requires 2 arguments", 609 p->c_name); 610 (*p->c_func2)(argv[1], argv[2]); 611 argc -= 2, argv += 2; 612 } else 613 (*p->c_func)(argv[0], p->c_parameter); 614 actions |= p->c_action; 615 } 616 argc--, argv++; 617 } 618 619 /* 620 * See if multiple alias, -alias, or delete commands were 621 * specified. More than one constitutes an invalid command line 622 */ 623 624 if (conflicting > 1) 625 errx(EXIT_FAILURE, 626 "Only one use of alias, -alias or delete is valid."); 627 628 /* Process any media commands that may have been issued. */ 629 process_media_commands(); 630 631 if (af == AF_INET6 && explicit_prefix == 0) { 632 /* 633 * Aggregatable address architecture defines all prefixes 634 * are 64. So, it is convenient to set prefixlen to 64 if 635 * it is not specified. 636 */ 637 setifprefixlen("64", 0); 638 /* in6_getprefix("64", MASK) if MASK is available here... */ 639 } 640 641 #ifndef INET_ONLY 642 if (af == AF_ISO) 643 adjust_nsellength(); 644 645 if (af == AF_APPLETALK) 646 checkatrange((struct sockaddr_at *) &addreq.ifra_addr); 647 648 if (setipdst && af==AF_NS) { 649 struct nsip_req rq; 650 int size = sizeof(rq); 651 652 rq.rq_ns = addreq.ifra_addr; 653 rq.rq_ip = addreq.ifra_dstaddr; 654 655 if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0) 656 warn("encapsulation routing"); 657 } 658 659 #endif /* INET_ONLY */ 660 661 if (clearaddr) { 662 (void) strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name); 663 if (ioctl(s, afp->af_difaddr, afp->af_ridreq) == -1) 664 err(EXIT_FAILURE, "SIOCDIFADDR"); 665 } 666 if (newaddr > 0) { 667 (void) strncpy(afp->af_addreq, name, sizeof ifr.ifr_name); 668 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) == -1) 669 warn("SIOCAIFADDR"); 670 } 671 672 if (g_ifcr_updated) { 673 (void) strncpy(g_ifcr.ifcr_name, name, 674 sizeof(g_ifcr.ifcr_name)); 675 if (ioctl(s, SIOCSIFCAP, &g_ifcr) == -1) 676 err(EXIT_FAILURE, "SIOCSIFCAP"); 677 } 678 679 exit(0); 680 } 681 682 struct afswtch * 683 lookup_af(const char *cp) 684 { 685 struct afswtch *a; 686 687 for (a = afs; a->af_name != NULL; a++) 688 if (strcmp(a->af_name, cp) == 0) 689 return (a); 690 return (NULL); 691 } 692 693 void 694 getsock(int naf) 695 { 696 static int oaf = -1; 697 698 if (oaf == naf) 699 return; 700 if (oaf != -1) 701 close(s); 702 s = socket(naf, SOCK_DGRAM, 0); 703 if (s < 0) 704 oaf = -1; 705 else 706 oaf = naf; 707 } 708 709 int 710 getinfo(struct ifreq *giifr) 711 { 712 713 getsock(af); 714 if (s < 0) 715 err(EXIT_FAILURE, "socket"); 716 if (ioctl(s, SIOCGIFFLAGS, giifr) == -1) { 717 warn("SIOCGIFFLAGS %s", giifr->ifr_name); 718 return (-1); 719 } 720 flags = giifr->ifr_flags; 721 if (ioctl(s, SIOCGIFMETRIC, giifr) == -1) { 722 warn("SIOCGIFMETRIC %s", giifr->ifr_name); 723 metric = 0; 724 } else 725 metric = giifr->ifr_metric; 726 if (ioctl(s, SIOCGIFMTU, giifr) == -1) 727 mtu = 0; 728 else 729 mtu = giifr->ifr_mtu; 730 731 memset(&g_ifcr, 0, sizeof(g_ifcr)); 732 strcpy(g_ifcr.ifcr_name, giifr->ifr_name); 733 (void) ioctl(s, SIOCGIFCAP, &g_ifcr); 734 735 return (0); 736 } 737 738 void 739 printall(const char *ifname) 740 { 741 struct ifaddrs *ifap, *ifa; 742 struct ifreq paifr; 743 const struct sockaddr_dl *sdl = NULL; 744 int idx; 745 char *p; 746 747 if (getifaddrs(&ifap) != 0) 748 err(EXIT_FAILURE, "getifaddrs"); 749 p = NULL; 750 idx = 0; 751 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 752 memset(&paifr, 0, sizeof(paifr)); 753 strncpy(paifr.ifr_name, ifa->ifa_name, sizeof(paifr.ifr_name)); 754 if (sizeof(paifr.ifr_addr) >= ifa->ifa_addr->sa_len) { 755 memcpy(&paifr.ifr_addr, ifa->ifa_addr, 756 ifa->ifa_addr->sa_len); 757 } 758 759 if (ifname && strcmp(ifname, ifa->ifa_name) != 0) 760 continue; 761 if (ifa->ifa_addr->sa_family == AF_LINK) 762 sdl = (const struct sockaddr_dl *) ifa->ifa_addr; 763 if (p && strcmp(p, ifa->ifa_name) == 0) 764 continue; 765 if (strlcpy(name, ifa->ifa_name, sizeof(name)) >= sizeof(name)) 766 continue; 767 p = ifa->ifa_name; 768 769 if (getinfo(&paifr) < 0) 770 continue; 771 if (bflag && (ifa->ifa_flags & IFF_BROADCAST) == 0) 772 continue; 773 if (dflag && (ifa->ifa_flags & IFF_UP) != 0) 774 continue; 775 if (uflag && (ifa->ifa_flags & IFF_UP) == 0) 776 continue; 777 778 if (sflag && carrier()) 779 continue; 780 idx++; 781 /* 782 * Are we just listing the interfaces? 783 */ 784 if (lflag) { 785 if (idx > 1) 786 printf(" "); 787 fputs(name, stdout); 788 continue; 789 } 790 791 status(sdl); 792 sdl = NULL; 793 } 794 if (lflag) 795 printf("\n"); 796 freeifaddrs(ifap); 797 } 798 799 void 800 list_cloners(void) 801 { 802 struct if_clonereq ifcr; 803 char *cp, *buf; 804 int idx; 805 806 memset(&ifcr, 0, sizeof(ifcr)); 807 808 getsock(AF_INET); 809 810 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 811 err(EXIT_FAILURE, "SIOCIFGCLONERS for count"); 812 813 buf = malloc(ifcr.ifcr_total * IFNAMSIZ); 814 if (buf == NULL) 815 err(EXIT_FAILURE, "unable to allocate cloner name buffer"); 816 817 ifcr.ifcr_count = ifcr.ifcr_total; 818 ifcr.ifcr_buffer = buf; 819 820 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 821 err(EXIT_FAILURE, "SIOCIFGCLONERS for names"); 822 823 /* 824 * In case some disappeared in the mean time, clamp it down. 825 */ 826 if (ifcr.ifcr_count > ifcr.ifcr_total) 827 ifcr.ifcr_count = ifcr.ifcr_total; 828 829 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) { 830 if (idx > 0) 831 printf(" "); 832 printf("%s", cp); 833 } 834 835 printf("\n"); 836 free(buf); 837 return; 838 } 839 840 /*ARGSUSED*/ 841 void 842 clone_create(const char *addr, int param) 843 { 844 845 /* We're called early... */ 846 getsock(AF_INET); 847 848 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 849 if (ioctl(s, SIOCIFCREATE, &ifr) == -1) 850 err(EXIT_FAILURE, "SIOCIFCREATE"); 851 } 852 853 /*ARGSUSED*/ 854 void 855 clone_destroy(const char *addr, int param) 856 { 857 858 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 859 if (ioctl(s, SIOCIFDESTROY, &ifr) == -1) 860 err(EXIT_FAILURE, "SIOCIFDESTROY"); 861 } 862 863 #define RIDADDR 0 864 #define ADDR 1 865 #define MASK 2 866 #define DSTADDR 3 867 868 /*ARGSUSED*/ 869 void 870 setifaddr(const char *addr, int param) 871 { 872 struct ifreq *siifr; /* XXX */ 873 874 /* 875 * Delay the ioctl to set the interface addr until flags are all set. 876 * The address interpretation may depend on the flags, 877 * and the flags may change when the address is set. 878 */ 879 setaddr++; 880 if (newaddr == -1) 881 newaddr = 1; 882 if (doalias == 0 && afp->af_gifaddr != 0) { 883 siifr = (struct ifreq *)afp->af_ridreq; 884 (void) strncpy(siifr->ifr_name, name, sizeof(siifr->ifr_name)); 885 siifr->ifr_addr.sa_family = afp->af_af; 886 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0) 887 clearaddr = 1; 888 else if (errno == EADDRNOTAVAIL) 889 /* No address was assigned yet. */ 890 ; 891 else 892 err(EXIT_FAILURE, "SIOCGIFADDR"); 893 } 894 895 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 896 } 897 898 void 899 settunnel(const char *src, const char *dst) 900 { 901 struct addrinfo hints, *srcres, *dstres; 902 int ecode; 903 struct if_laddrreq req; 904 905 memset(&hints, 0, sizeof(hints)); 906 hints.ai_family = afp->af_af; 907 hints.ai_socktype = SOCK_DGRAM; /*dummy*/ 908 909 if ((ecode = getaddrinfo(src, NULL, &hints, &srcres)) != 0) 910 errx(EXIT_FAILURE, "error in parsing address string: %s", 911 gai_strerror(ecode)); 912 913 if ((ecode = getaddrinfo(dst, NULL, &hints, &dstres)) != 0) 914 errx(EXIT_FAILURE, "error in parsing address string: %s", 915 gai_strerror(ecode)); 916 917 if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family) 918 errx(EXIT_FAILURE, 919 "source and destination address families do not match"); 920 921 if (srcres->ai_addrlen > sizeof(req.addr) || 922 dstres->ai_addrlen > sizeof(req.dstaddr)) 923 errx(EXIT_FAILURE, "invalid sockaddr"); 924 925 memset(&req, 0, sizeof(req)); 926 strncpy(req.iflr_name, name, sizeof(req.iflr_name)); 927 memcpy(&req.addr, srcres->ai_addr, srcres->ai_addrlen); 928 memcpy(&req.dstaddr, dstres->ai_addr, dstres->ai_addrlen); 929 930 #ifdef INET6 931 if (req.addr.ss_family == AF_INET6) { 932 struct sockaddr_in6 *s6, *d; 933 934 s6 = (struct sockaddr_in6 *)&req.addr; 935 d = (struct sockaddr_in6 *)&req.dstaddr; 936 if (s6->sin6_scope_id != d->sin6_scope_id) { 937 errx(EXIT_FAILURE, "scope mismatch"); 938 /* NOTREACHED */ 939 } 940 #ifdef __KAME__ 941 /* embed scopeid */ 942 if (s6->sin6_scope_id && 943 (IN6_IS_ADDR_LINKLOCAL(&s6->sin6_addr) || 944 IN6_IS_ADDR_MC_LINKLOCAL(&s6->sin6_addr))) { 945 *(u_int16_t *)&s6->sin6_addr.s6_addr[2] = 946 htons(s6->sin6_scope_id); 947 } 948 if (d->sin6_scope_id && 949 (IN6_IS_ADDR_LINKLOCAL(&d->sin6_addr) || 950 IN6_IS_ADDR_MC_LINKLOCAL(&d->sin6_addr))) { 951 *(u_int16_t *)&d->sin6_addr.s6_addr[2] = 952 htons(d->sin6_scope_id); 953 } 954 #endif 955 } 956 #endif 957 958 if (ioctl(s, SIOCSLIFPHYADDR, &req) == -1) 959 warn("SIOCSLIFPHYADDR"); 960 961 freeaddrinfo(srcres); 962 freeaddrinfo(dstres); 963 } 964 965 /* ARGSUSED */ 966 void 967 deletetunnel(const char *vname, int param) 968 { 969 970 if (ioctl(s, SIOCDIFPHYADDR, &ifr) == -1) 971 err(EXIT_FAILURE, "SIOCDIFPHYADDR"); 972 } 973 974 void 975 setifnetmask(const char *addr, int d) 976 { 977 (*afp->af_getaddr)(addr, MASK); 978 } 979 980 void 981 setifbroadaddr(const char *addr, int d) 982 { 983 (*afp->af_getaddr)(addr, DSTADDR); 984 } 985 986 void 987 setifipdst(const char *addr, int d) 988 { 989 in_getaddr(addr, DSTADDR); 990 setipdst++; 991 clearaddr = 0; 992 newaddr = 0; 993 } 994 995 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 996 /*ARGSUSED*/ 997 void 998 notealias(const char *addr, int param) 999 { 1000 if (setaddr && doalias == 0 && param < 0) 1001 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 1002 rqtosa(af_addreq)->sa_len); 1003 doalias = param; 1004 if (param < 0) { 1005 clearaddr = 1; 1006 newaddr = 0; 1007 conflicting++; 1008 } else { 1009 clearaddr = 0; 1010 conflicting++; 1011 } 1012 } 1013 1014 /*ARGSUSED*/ 1015 void 1016 notrailers(const char *vname, int value) 1017 { 1018 puts("Note: trailers are no longer sent, but always received"); 1019 } 1020 1021 /*ARGSUSED*/ 1022 void 1023 setifdstaddr(const char *addr, int param) 1024 { 1025 (*afp->af_getaddr)(addr, DSTADDR); 1026 } 1027 1028 void 1029 setifflags(const char *vname, int value) 1030 { 1031 struct ifreq ifreq; 1032 1033 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 1034 if (ioctl(s, SIOCGIFFLAGS, &ifreq) == -1) 1035 err(EXIT_FAILURE, "SIOCGIFFLAGS"); 1036 flags = ifreq.ifr_flags; 1037 1038 if (value < 0) { 1039 value = -value; 1040 flags &= ~value; 1041 } else 1042 flags |= value; 1043 ifreq.ifr_flags = flags; 1044 if (ioctl(s, SIOCSIFFLAGS, &ifreq) == -1) 1045 err(EXIT_FAILURE, "SIOCSIFFLAGS"); 1046 } 1047 1048 void 1049 setifcaps(const char *vname, int value) 1050 { 1051 1052 if (value < 0) { 1053 value = -value; 1054 g_ifcr.ifcr_capenable &= ~value; 1055 } else 1056 g_ifcr.ifcr_capenable |= value; 1057 1058 g_ifcr_updated = 1; 1059 } 1060 1061 #ifdef INET6 1062 void 1063 setia6flags(const char *vname, int value) 1064 { 1065 1066 if (value < 0) { 1067 value = -value; 1068 in6_addreq.ifra_flags &= ~value; 1069 } else 1070 in6_addreq.ifra_flags |= value; 1071 } 1072 1073 void 1074 setia6pltime(const char *val, int d) 1075 { 1076 1077 setia6lifetime("pltime", val); 1078 } 1079 1080 void 1081 setia6vltime(const char *val, int d) 1082 { 1083 1084 setia6lifetime("vltime", val); 1085 } 1086 1087 void 1088 setia6lifetime(const char *cmd, const char *val) 1089 { 1090 time_t newval, t; 1091 char *ep; 1092 1093 t = time(NULL); 1094 newval = (time_t)strtoul(val, &ep, 0); 1095 if (val == ep) 1096 errx(EXIT_FAILURE, "invalid %s", cmd); 1097 if (afp->af_af != AF_INET6) 1098 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd); 1099 if (strcmp(cmd, "vltime") == 0) { 1100 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 1101 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 1102 } else if (strcmp(cmd, "pltime") == 0) { 1103 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 1104 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 1105 } 1106 } 1107 1108 void 1109 setia6eui64(const char *cmd, int val) 1110 { 1111 struct ifaddrs *ifap, *ifa; 1112 const struct sockaddr_in6 *sin6 = NULL; 1113 const struct in6_addr *lladdr = NULL; 1114 struct in6_addr *in6; 1115 1116 if (afp->af_af != AF_INET6) 1117 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd); 1118 in6 = (struct in6_addr *)&in6_addreq.ifra_addr.sin6_addr; 1119 if (memcmp(&in6addr_any.s6_addr[8], &in6->s6_addr[8], 8) != 0) 1120 errx(EXIT_FAILURE, "interface index is already filled"); 1121 if (getifaddrs(&ifap) != 0) 1122 err(EXIT_FAILURE, "getifaddrs"); 1123 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 1124 if (ifa->ifa_addr->sa_family == AF_INET6 && 1125 strcmp(ifa->ifa_name, name) == 0) { 1126 sin6 = (const struct sockaddr_in6 *)ifa->ifa_addr; 1127 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1128 lladdr = &sin6->sin6_addr; 1129 break; 1130 } 1131 } 1132 } 1133 if (!lladdr) 1134 errx(EXIT_FAILURE, "could not determine link local address"); 1135 1136 memcpy(&in6->s6_addr[8], &lladdr->s6_addr[8], 8); 1137 1138 freeifaddrs(ifap); 1139 } 1140 #endif 1141 1142 void 1143 setifmetric(const char *val, int d) 1144 { 1145 char *ep = NULL; 1146 1147 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1148 ifr.ifr_metric = strtoul(val, &ep, 10); 1149 if (!ep || *ep) 1150 errx(EXIT_FAILURE, "%s: invalid metric", val); 1151 if (ioctl(s, SIOCSIFMETRIC, &ifr) == -1) 1152 warn("SIOCSIFMETRIC"); 1153 } 1154 1155 void 1156 setifmtu(const char *val, int d) 1157 { 1158 char *ep = NULL; 1159 1160 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1161 ifr.ifr_mtu = strtoul(val, &ep, 10); 1162 if (!ep || *ep) 1163 errx(EXIT_FAILURE, "%s: invalid mtu", val); 1164 if (ioctl(s, SIOCSIFMTU, &ifr) == -1) 1165 warn("SIOCSIFMTU"); 1166 } 1167 1168 const char * 1169 get_string(const char *val, const char *sep, u_int8_t *buf, int *lenp) 1170 { 1171 int len; 1172 int hexstr; 1173 u_int8_t *p; 1174 1175 len = *lenp; 1176 p = buf; 1177 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 1178 if (hexstr) 1179 val += 2; 1180 for (;;) { 1181 if (*val == '\0') 1182 break; 1183 if (sep != NULL && strchr(sep, *val) != NULL) { 1184 val++; 1185 break; 1186 } 1187 if (hexstr) { 1188 if (!isxdigit((u_char)val[0]) || 1189 !isxdigit((u_char)val[1])) { 1190 warnx("bad hexadecimal digits"); 1191 return NULL; 1192 } 1193 } 1194 if (p > buf + len) { 1195 if (hexstr) 1196 warnx("hexadecimal digits too long"); 1197 else 1198 warnx("strings too long"); 1199 return NULL; 1200 } 1201 if (hexstr) { 1202 #define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 1203 *p++ = (tohex((u_char)val[0]) << 4) | 1204 tohex((u_char)val[1]); 1205 #undef tohex 1206 val += 2; 1207 } else 1208 *p++ = *val++; 1209 } 1210 len = p - buf; 1211 if (len < *lenp) 1212 memset(p, 0, *lenp - len); 1213 *lenp = len; 1214 return val; 1215 } 1216 1217 void 1218 print_string(const u_int8_t *buf, int len) 1219 { 1220 int i; 1221 int hasspc; 1222 1223 i = 0; 1224 hasspc = 0; 1225 if (len < 2 || buf[0] != '0' || tolower(buf[1]) != 'x') { 1226 for (; i < len; i++) { 1227 if (!isprint(buf[i])) 1228 break; 1229 if (isspace(buf[i])) 1230 hasspc++; 1231 } 1232 } 1233 if (i == len) { 1234 if (hasspc || len == 0) 1235 printf("\"%.*s\"", len, buf); 1236 else 1237 printf("%.*s", len, buf); 1238 } else { 1239 printf("0x"); 1240 for (i = 0; i < len; i++) 1241 printf("%02x", buf[i]); 1242 } 1243 } 1244 1245 void 1246 setifnwid(const char *val, int d) 1247 { 1248 struct ieee80211_nwid nwid; 1249 int len; 1250 1251 len = sizeof(nwid.i_nwid); 1252 if (get_string(val, NULL, nwid.i_nwid, &len) == NULL) 1253 return; 1254 nwid.i_len = len; 1255 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1256 ifr.ifr_data = (void *)&nwid; 1257 if (ioctl(s, SIOCS80211NWID, &ifr) == -1) 1258 warn("SIOCS80211NWID"); 1259 } 1260 1261 void 1262 setifbssid(const char *val, int d) 1263 { 1264 struct ieee80211_bssid bssid; 1265 struct ether_addr *ea; 1266 1267 if (d != 0) { 1268 /* no BSSID is especially desired */ 1269 memset(&bssid.i_bssid, 0, sizeof(bssid.i_bssid)); 1270 } else { 1271 ea = ether_aton(val); 1272 if (ea == NULL) { 1273 warnx("malformed BSSID: %s", val); 1274 return; 1275 } 1276 memcpy(&bssid.i_bssid, ea->ether_addr_octet, 1277 sizeof(bssid.i_bssid)); 1278 } 1279 (void)strncpy(bssid.i_name, name, sizeof(bssid.i_name)); 1280 if (ioctl(s, SIOCS80211BSSID, &bssid) == -1) 1281 warn("SIOCS80211BSSID"); 1282 } 1283 1284 void 1285 setifchan(const char *val, int d) 1286 { 1287 struct ieee80211chanreq channel; 1288 int chan; 1289 1290 if (d != 0) 1291 chan = IEEE80211_CHAN_ANY; 1292 else { 1293 chan = atoi(val); 1294 if (chan < 0 || chan > 0xffff) { 1295 warnx("invalid channel: %s", val); 1296 return; 1297 } 1298 } 1299 1300 (void)strncpy(channel.i_name, name, sizeof(channel.i_name)); 1301 channel.i_channel = (u_int16_t) chan; 1302 if (ioctl(s, SIOCS80211CHANNEL, &channel) == -1) 1303 warn("SIOCS80211CHANNEL"); 1304 } 1305 1306 void 1307 setifnwkey(const char *val, int d) 1308 { 1309 struct ieee80211_nwkey nwkey; 1310 int i; 1311 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1312 1313 nwkey.i_wepon = IEEE80211_NWKEY_WEP; 1314 nwkey.i_defkid = 1; 1315 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1316 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1317 nwkey.i_key[i].i_keydat = keybuf[i]; 1318 } 1319 if (d != 0) { 1320 /* disable WEP encryption */ 1321 nwkey.i_wepon = 0; 1322 i = 0; 1323 } else if (strcasecmp("persist", val) == 0) { 1324 /* use all values from persistent memory */ 1325 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1326 nwkey.i_defkid = 0; 1327 for (i = 0; i < IEEE80211_WEP_NKID; i++) 1328 nwkey.i_key[i].i_keylen = -1; 1329 } else if (strncasecmp("persist:", val, 8) == 0) { 1330 val += 8; 1331 /* program keys in persistent memory */ 1332 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1333 goto set_nwkey; 1334 } else { 1335 set_nwkey: 1336 if (isdigit((unsigned char)val[0]) && val[1] == ':') { 1337 /* specifying a full set of four keys */ 1338 nwkey.i_defkid = val[0] - '0'; 1339 val += 2; 1340 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1341 val = get_string(val, ",", keybuf[i], 1342 &nwkey.i_key[i].i_keylen); 1343 if (val == NULL) 1344 return; 1345 } 1346 if (*val != '\0') { 1347 warnx("SIOCS80211NWKEY: too many keys."); 1348 return; 1349 } 1350 } else { 1351 val = get_string(val, NULL, keybuf[0], 1352 &nwkey.i_key[0].i_keylen); 1353 if (val == NULL) 1354 return; 1355 i = 1; 1356 } 1357 } 1358 for (; i < IEEE80211_WEP_NKID; i++) 1359 nwkey.i_key[i].i_keylen = 0; 1360 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1361 if (ioctl(s, SIOCS80211NWKEY, &nwkey) == -1) 1362 warn("SIOCS80211NWKEY"); 1363 } 1364 1365 void 1366 setifpowersave(const char *val, int d) 1367 { 1368 struct ieee80211_power power; 1369 1370 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1371 if (ioctl(s, SIOCG80211POWER, &power) == -1) { 1372 warn("SIOCG80211POWER"); 1373 return; 1374 } 1375 1376 power.i_enabled = d; 1377 if (ioctl(s, SIOCS80211POWER, &power) == -1) 1378 warn("SIOCS80211POWER"); 1379 } 1380 1381 void 1382 setifpowersavesleep(const char *val, int d) 1383 { 1384 struct ieee80211_power power; 1385 1386 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1387 if (ioctl(s, SIOCG80211POWER, &power) == -1) { 1388 warn("SIOCG80211POWER"); 1389 return; 1390 } 1391 1392 power.i_maxsleep = atoi(val); 1393 if (ioctl(s, SIOCS80211POWER, &power) == -1) 1394 warn("SIOCS80211POWER"); 1395 } 1396 1397 void 1398 ieee80211_statistics(void) 1399 { 1400 struct ieee80211_stats stats; 1401 1402 memset(&ifr, 0, sizeof(ifr)); 1403 ifr.ifr_data = (caddr_t)&stats; 1404 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1405 if (ioctl(s, (zflag) ? SIOCG80211ZSTATS : SIOCG80211STATS, 1406 (caddr_t)&ifr) == -1) 1407 return; 1408 #define RX_PRINT(desc, member) printf("\trx " desc ": %u\n", stats.member) 1409 #define TX_PRINT(desc, member) printf("\ttx " desc ": %u\n", stats.member) 1410 1411 RX_PRINT("too short", is_rx_tooshort); 1412 RX_PRINT("bad version", is_rx_badversion); 1413 RX_PRINT("wrong bss", is_rx_wrongbss); 1414 RX_PRINT("duplicate", is_rx_dup); 1415 RX_PRINT("wrong direction", is_rx_wrongdir); 1416 RX_PRINT("multicast echo", is_rx_mcastecho); 1417 RX_PRINT("STA not associated", is_rx_notassoc); 1418 RX_PRINT("WEP-encrypted but WEP not configured", is_rx_nowep); 1419 RX_PRINT("WEP processing failed", is_rx_wepfail); 1420 #if 0 1421 RX_PRINT("single (M)MSDU, both WEP/non-WEP fragments", is_rx_wepmix); 1422 RX_PRINT("non-consecutive fragments", is_rx_fragorder); 1423 #endif 1424 RX_PRINT("decapsulation failed", is_rx_decap); 1425 RX_PRINT("management-type discarded", is_rx_mgtdiscard); 1426 RX_PRINT("control-type discarded", is_rx_ctl); 1427 RX_PRINT("truncated rate set", is_rx_rstoobig); 1428 RX_PRINT("beacon/prresp element missing", is_rx_elem_missing); 1429 RX_PRINT("beacon/prresp element too big", is_rx_elem_toobig); 1430 RX_PRINT("beacon/prresp element too small", is_rx_elem_toosmall); 1431 RX_PRINT("beacon/prresp element unknown", is_rx_elem_unknown); 1432 RX_PRINT("invalid channel", is_rx_badchan); 1433 RX_PRINT("channel mismatch", is_rx_chanmismatch); 1434 RX_PRINT("failed node allocation", is_rx_nodealloc); 1435 RX_PRINT("SSID mismatch", is_rx_ssidmismatch); 1436 RX_PRINT("unsupported authentication algor.", is_rx_auth_unsupported); 1437 RX_PRINT("STA authentication failure", is_rx_auth_fail); 1438 RX_PRINT("association for wrong bss", is_rx_assoc_bss); 1439 RX_PRINT("association without authenication", is_rx_assoc_notauth); 1440 RX_PRINT("association capability mismatch", is_rx_assoc_capmismatch); 1441 RX_PRINT("association without rate match", is_rx_assoc_norate); 1442 RX_PRINT("deauthentication", is_rx_deauth); 1443 RX_PRINT("disassocation", is_rx_disassoc); 1444 RX_PRINT("unknown subtype", is_rx_badsubtype); 1445 RX_PRINT("failed, mbuf unavailable", is_rx_nombuf); 1446 RX_PRINT("failed, bad ICV", is_rx_decryptcrc); 1447 RX_PRINT("discard mgmt frame in ad-hoc demo mode", is_rx_ahdemo_mgt); 1448 RX_PRINT("bad authentication", is_rx_bad_auth); 1449 TX_PRINT("failed, mbuf unavailable", is_tx_nombuf); 1450 TX_PRINT("failed, no node", is_tx_nonode); 1451 TX_PRINT("unknown mgmt frame", is_tx_unknownmgt); 1452 printf("\tactive scans: %u\n", stats.is_scan_active); 1453 printf("\tpassive scans: %u\n", stats.is_scan_passive); 1454 printf("\tnodes timed-out for inactivity: %u\n", 1455 stats.is_node_timeout); 1456 printf("\tcrypto context memory unavailable: %u\n", 1457 stats.is_crypto_nomem); 1458 } 1459 1460 void 1461 ieee80211_status(void) 1462 { 1463 int i, nwkey_verbose; 1464 struct ieee80211_nwid nwid; 1465 struct ieee80211_nwkey nwkey; 1466 struct ieee80211_power power; 1467 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1468 struct ieee80211_bssid bssid; 1469 struct ieee80211chanreq channel; 1470 struct ether_addr ea; 1471 static const u_int8_t zero_macaddr[IEEE80211_ADDR_LEN]; 1472 1473 memset(&ifr, 0, sizeof(ifr)); 1474 ifr.ifr_data = (void *)&nwid; 1475 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1476 if (ioctl(s, SIOCG80211NWID, &ifr) == -1) 1477 return; 1478 if (nwid.i_len > IEEE80211_NWID_LEN) { 1479 warnx("SIOCG80211NWID: wrong length of nwid (%d)", nwid.i_len); 1480 return; 1481 } 1482 printf("\tssid "); 1483 print_string(nwid.i_nwid, nwid.i_len); 1484 memset(&nwkey, 0, sizeof(nwkey)); 1485 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1486 /* show nwkey only when WEP is enabled */ 1487 if (ioctl(s, SIOCG80211NWKEY, &nwkey) == -1 || 1488 nwkey.i_wepon == 0) { 1489 printf("\n"); 1490 goto skip_wep; 1491 } 1492 1493 printf(" nwkey "); 1494 /* try to retrieve WEP keys */ 1495 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1496 nwkey.i_key[i].i_keydat = keybuf[i]; 1497 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1498 } 1499 if (ioctl(s, SIOCG80211NWKEY, &nwkey) == -1) { 1500 printf("*****"); 1501 } else { 1502 nwkey_verbose = 0; 1503 /* check to see non default key or multiple keys defined */ 1504 if (nwkey.i_defkid != 1) { 1505 nwkey_verbose = 1; 1506 } else { 1507 for (i = 1; i < IEEE80211_WEP_NKID; i++) { 1508 if (nwkey.i_key[i].i_keylen != 0) { 1509 nwkey_verbose = 1; 1510 break; 1511 } 1512 } 1513 } 1514 /* check extra ambiguity with keywords */ 1515 if (!nwkey_verbose) { 1516 if (nwkey.i_key[0].i_keylen >= 2 && 1517 isdigit(nwkey.i_key[0].i_keydat[0]) && 1518 nwkey.i_key[0].i_keydat[1] == ':') 1519 nwkey_verbose = 1; 1520 else if (nwkey.i_key[0].i_keylen >= 7 && 1521 strncasecmp("persist", nwkey.i_key[0].i_keydat, 7) 1522 == 0) 1523 nwkey_verbose = 1; 1524 } 1525 if (nwkey_verbose) 1526 printf("%d:", nwkey.i_defkid); 1527 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1528 if (i > 0) 1529 printf(","); 1530 if (nwkey.i_key[i].i_keylen < 0) 1531 printf("persist"); 1532 else 1533 print_string(nwkey.i_key[i].i_keydat, 1534 nwkey.i_key[i].i_keylen); 1535 if (!nwkey_verbose) 1536 break; 1537 } 1538 } 1539 printf("\n"); 1540 1541 skip_wep: 1542 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1543 if (ioctl(s, SIOCG80211POWER, &power) == -1) 1544 goto skip_power; 1545 printf("\tpowersave "); 1546 if (power.i_enabled) 1547 printf("on (%dms sleep)", power.i_maxsleep); 1548 else 1549 printf("off"); 1550 printf("\n"); 1551 1552 skip_power: 1553 (void)strncpy(bssid.i_name, name, sizeof(bssid.i_name)); 1554 if (ioctl(s, SIOCG80211BSSID, &bssid) == -1) 1555 return; 1556 (void)strncpy(channel.i_name, name, sizeof(channel.i_name)); 1557 if (ioctl(s, SIOCG80211CHANNEL, &channel) == -1) 1558 return; 1559 if (memcmp(bssid.i_bssid, zero_macaddr, IEEE80211_ADDR_LEN) == 0) { 1560 if (channel.i_channel != (u_int16_t)-1) 1561 printf("\tchan %d\n", channel.i_channel); 1562 } else { 1563 memcpy(ea.ether_addr_octet, bssid.i_bssid, 1564 sizeof(ea.ether_addr_octet)); 1565 printf("\tbssid %s", ether_ntoa(&ea)); 1566 if (channel.i_channel != IEEE80211_CHAN_ANY) 1567 printf(" chan %d", channel.i_channel); 1568 printf("\n"); 1569 } 1570 } 1571 1572 static void 1573 media_error(int type, const char *val, const char *opt) 1574 { 1575 errx(EXIT_FAILURE, "unknown %s media %s: %s", 1576 get_media_type_string(type), opt, val); 1577 } 1578 1579 void 1580 init_current_media(void) 1581 { 1582 struct ifmediareq ifmr; 1583 1584 /* 1585 * If we have not yet done so, grab the currently-selected 1586 * media. 1587 */ 1588 if ((actions & (A_MEDIA|A_MEDIAOPT|A_MEDIAMODE)) == 0) { 1589 (void) memset(&ifmr, 0, sizeof(ifmr)); 1590 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1591 1592 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1593 /* 1594 * If we get E2BIG, the kernel is telling us 1595 * that there are more, so we can ignore it. 1596 */ 1597 if (errno != E2BIG) 1598 err(EXIT_FAILURE, "SGIOCGIFMEDIA"); 1599 } 1600 1601 media_current = ifmr.ifm_current; 1602 } 1603 1604 /* Sanity. */ 1605 if (IFM_TYPE(media_current) == 0) 1606 errx(EXIT_FAILURE, "%s: no link type?", name); 1607 } 1608 1609 void 1610 process_media_commands(void) 1611 { 1612 1613 if ((actions & (A_MEDIA|A_MEDIAOPT|A_MEDIAMODE)) == 0) { 1614 /* Nothing to do. */ 1615 return; 1616 } 1617 1618 /* 1619 * Media already set up, and commands sanity-checked. Set/clear 1620 * any options, and we're ready to go. 1621 */ 1622 media_current |= mediaopt_set; 1623 media_current &= ~mediaopt_clear; 1624 1625 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1626 ifr.ifr_media = media_current; 1627 1628 if (ioctl(s, SIOCSIFMEDIA, &ifr) == -1) 1629 err(EXIT_FAILURE, "SIOCSIFMEDIA"); 1630 } 1631 1632 void 1633 setmedia(const char *val, int d) 1634 { 1635 int type, subtype, inst; 1636 1637 init_current_media(); 1638 1639 /* Only one media command may be given. */ 1640 if (actions & A_MEDIA) 1641 errx(EXIT_FAILURE, "only one `media' command may be issued"); 1642 1643 /* Must not come after mode commands */ 1644 if (actions & A_MEDIAMODE) 1645 errx(EXIT_FAILURE, 1646 "may not issue `media' after `mode' commands"); 1647 1648 /* Must not come after mediaopt commands */ 1649 if (actions & A_MEDIAOPT) 1650 errx(EXIT_FAILURE, 1651 "may not issue `media' after `mediaopt' commands"); 1652 1653 /* 1654 * No need to check if `instance' has been issued; setmediainst() 1655 * craps out if `media' has not been specified. 1656 */ 1657 1658 type = IFM_TYPE(media_current); 1659 inst = IFM_INST(media_current); 1660 1661 /* Look up the subtype. */ 1662 subtype = get_media_subtype(type, val); 1663 if (subtype == -1) 1664 media_error(type, val, "subtype"); 1665 1666 /* Build the new current media word. */ 1667 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1668 1669 /* Media will be set after other processing is complete. */ 1670 } 1671 1672 void 1673 setmediaopt(const char *val, int d) 1674 { 1675 char *invalid; 1676 1677 init_current_media(); 1678 1679 /* Can only issue `mediaopt' once. */ 1680 if (actions & A_MEDIAOPTSET) 1681 errx(EXIT_FAILURE, "only one `mediaopt' command may be issued"); 1682 1683 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1684 if (actions & A_MEDIAINST) 1685 errx(EXIT_FAILURE, "may not issue `mediaopt' after `instance'"); 1686 1687 mediaopt_set = get_media_options(media_current, val, &invalid); 1688 if (mediaopt_set == -1) 1689 media_error(media_current, invalid, "option"); 1690 1691 /* Media will be set after other processing is complete. */ 1692 } 1693 1694 void 1695 unsetmediaopt(const char *val, int d) 1696 { 1697 char *invalid; 1698 1699 init_current_media(); 1700 1701 /* Can only issue `-mediaopt' once. */ 1702 if (actions & A_MEDIAOPTCLR) 1703 errx(EXIT_FAILURE, 1704 "only one `-mediaopt' command may be issued"); 1705 1706 /* May not issue `media' and `-mediaopt'. */ 1707 if (actions & A_MEDIA) 1708 errx(EXIT_FAILURE, 1709 "may not issue both `media' and `-mediaopt'"); 1710 1711 /* 1712 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1713 * implicitly checks for A_MEDIAINST. 1714 */ 1715 1716 mediaopt_clear = get_media_options(media_current, val, &invalid); 1717 if (mediaopt_clear == -1) 1718 media_error(media_current, invalid, "option"); 1719 1720 /* Media will be set after other processing is complete. */ 1721 } 1722 1723 void 1724 setmediainst(const char *val, int d) 1725 { 1726 int type, subtype, options, inst; 1727 1728 init_current_media(); 1729 1730 /* Can only issue `instance' once. */ 1731 if (actions & A_MEDIAINST) 1732 errx(EXIT_FAILURE, "only one `instance' command may be issued"); 1733 1734 /* Must have already specified `media' */ 1735 if ((actions & A_MEDIA) == 0) 1736 errx(EXIT_FAILURE, "must specify `media' before `instance'"); 1737 1738 type = IFM_TYPE(media_current); 1739 subtype = IFM_SUBTYPE(media_current); 1740 options = IFM_OPTIONS(media_current); 1741 1742 inst = atoi(val); 1743 if (inst < 0 || inst > IFM_INST_MAX) 1744 errx(EXIT_FAILURE, "invalid media instance: %s", val); 1745 1746 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1747 1748 /* Media will be set after other processing is complete. */ 1749 } 1750 1751 void 1752 setmediamode(const char *val, int d) 1753 { 1754 int type, subtype, options, inst, mode; 1755 1756 init_current_media(); 1757 1758 /* Can only issue `mode' once. */ 1759 if (actions & A_MEDIAMODE) 1760 errx(EXIT_FAILURE, "only one `mode' command may be issued"); 1761 1762 type = IFM_TYPE(media_current); 1763 subtype = IFM_SUBTYPE(media_current); 1764 options = IFM_OPTIONS(media_current); 1765 inst = IFM_INST(media_current); 1766 1767 mode = get_media_mode(type, val); 1768 if (mode == -1) 1769 media_error(type, val, "mode"); 1770 1771 media_current = IFM_MAKEWORD(type, subtype, options, inst) | mode; 1772 1773 /* Media will be set after other processing is complete. */ 1774 } 1775 1776 void 1777 print_media_word(int ifmw, const char *opt_sep) 1778 { 1779 const char *str; 1780 1781 printf("%s", get_media_subtype_string(ifmw)); 1782 1783 /* Find mode. */ 1784 if (IFM_MODE(ifmw) != 0) { 1785 str = get_media_mode_string(ifmw); 1786 if (str != NULL) 1787 printf(" mode %s", str); 1788 } 1789 1790 /* Find options. */ 1791 for (; (str = get_media_option_string(&ifmw)) != NULL; opt_sep = ",") 1792 printf("%s%s", opt_sep, str); 1793 1794 if (IFM_INST(ifmw) != 0) 1795 printf(" instance %d", IFM_INST(ifmw)); 1796 } 1797 1798 int 1799 carrier(void) 1800 { 1801 struct ifmediareq ifmr; 1802 1803 (void) memset(&ifmr, 0, sizeof(ifmr)); 1804 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1805 1806 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1807 /* 1808 * Interface doesn't support SIOC{G,S}IFMEDIA; 1809 * assume ok. 1810 */ 1811 return 0; 1812 } 1813 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1814 /* 1815 * Interface doesn't report media-valid status. 1816 * assume ok. 1817 */ 1818 return 0; 1819 } 1820 /* otherwise, return ok for active, not-ok if not active. */ 1821 return !(ifmr.ifm_status & IFM_ACTIVE); 1822 } 1823 1824 1825 #define IFFBITS \ 1826 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 1827 \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 1828 1829 #define IFCAPBITS \ 1830 "\020\1IP4CSUM\2TCP4CSUM\3UDP4CSUM\4TCP6CSUM\5UDP6CSUM\6TCP4CSUM_Rx\7UDP4CSUM_Rx\10TSO4" 1831 1832 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1833 1834 const struct ifmedia_status_description ifm_status_descriptions[] = 1835 IFM_STATUS_DESCRIPTIONS; 1836 1837 /* 1838 * Print the status of the interface. If an address family was 1839 * specified, show it and it only; otherwise, show them all. 1840 */ 1841 void 1842 status(const struct sockaddr_dl *sdl) 1843 { 1844 struct afswtch *p = afp; 1845 struct ifmediareq ifmr; 1846 struct ifdatareq ifdr; 1847 int *media_list, i; 1848 char hbuf[NI_MAXHOST]; 1849 char fbuf[BUFSIZ]; 1850 1851 (void)snprintb(fbuf, sizeof(fbuf), IFFBITS, flags); 1852 printf("%s: flags=%s", name, &fbuf[2]); 1853 if (metric) 1854 printf(" metric %lu", metric); 1855 if (mtu) 1856 printf(" mtu %lu", mtu); 1857 printf("\n"); 1858 1859 if (g_ifcr.ifcr_capabilities) { 1860 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 1861 g_ifcr.ifcr_capabilities); 1862 printf("\tcapabilities=%s\n", &fbuf[2]); 1863 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 1864 g_ifcr.ifcr_capenable); 1865 printf("\tenabled=%s\n", &fbuf[2]); 1866 } 1867 1868 ieee80211_status(); 1869 vlan_status(); 1870 tunnel_status(); 1871 agr_status(); 1872 1873 if (sdl != NULL && 1874 getnameinfo((const struct sockaddr *)sdl, sdl->sdl_len, 1875 hbuf, sizeof(hbuf), NULL, 0, NI_NUMERICHOST) == 0 && 1876 hbuf[0] != '\0') 1877 printf("\taddress: %s\n", hbuf); 1878 1879 (void) memset(&ifmr, 0, sizeof(ifmr)); 1880 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1881 1882 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1883 /* 1884 * Interface doesn't support SIOC{G,S}IFMEDIA. 1885 */ 1886 goto iface_stats; 1887 } 1888 1889 if (ifmr.ifm_count == 0) { 1890 warnx("%s: no media types?", name); 1891 goto iface_stats; 1892 } 1893 1894 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1895 if (media_list == NULL) 1896 err(EXIT_FAILURE, "malloc"); 1897 ifmr.ifm_ulist = media_list; 1898 1899 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) 1900 err(EXIT_FAILURE, "SIOCGIFMEDIA"); 1901 1902 printf("\tmedia: %s ", get_media_type_string(ifmr.ifm_current)); 1903 print_media_word(ifmr.ifm_current, " "); 1904 if (ifmr.ifm_active != ifmr.ifm_current) { 1905 printf(" ("); 1906 print_media_word(ifmr.ifm_active, " "); 1907 printf(")"); 1908 } 1909 printf("\n"); 1910 1911 if (ifmr.ifm_status & IFM_STATUS_VALID) { 1912 const struct ifmedia_status_description *ifms; 1913 int bitno, found = 0; 1914 1915 printf("\tstatus: "); 1916 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 1917 for (ifms = ifm_status_descriptions; 1918 ifms->ifms_valid != 0; ifms++) { 1919 if (ifms->ifms_type != 1920 IFM_TYPE(ifmr.ifm_current) || 1921 ifms->ifms_valid != 1922 ifm_status_valid_list[bitno]) 1923 continue; 1924 printf("%s%s", found ? ", " : "", 1925 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 1926 found = 1; 1927 1928 /* 1929 * For each valid indicator bit, there's 1930 * only one entry for each media type, so 1931 * terminate the inner loop now. 1932 */ 1933 break; 1934 } 1935 } 1936 1937 if (found == 0) 1938 printf("unknown"); 1939 printf("\n"); 1940 } 1941 1942 if (mflag) { 1943 int type, printed_type; 1944 1945 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 1946 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 1947 if (IFM_TYPE(media_list[i]) != type) 1948 continue; 1949 if (printed_type == 0) { 1950 printf("\tsupported %s media:\n", 1951 get_media_type_string(type)); 1952 printed_type = 1; 1953 } 1954 printf("\t\tmedia "); 1955 print_media_word(media_list[i], " mediaopt "); 1956 printf("\n"); 1957 } 1958 } 1959 } 1960 1961 free(media_list); 1962 1963 iface_stats: 1964 if (!vflag && !zflag) 1965 goto proto_status; 1966 1967 (void) strncpy(ifdr.ifdr_name, name, sizeof(ifdr.ifdr_name)); 1968 1969 if (ioctl(s, zflag ? SIOCZIFDATA:SIOCGIFDATA, &ifdr) == -1) { 1970 err(EXIT_FAILURE, zflag ? "SIOCZIFDATA" : "SIOCGIFDATA"); 1971 } else { 1972 struct if_data * const ifi = &ifdr.ifdr_data; 1973 #define PLURAL(n) ((n) == 1 ? "" : "s") 1974 printf("\tinput: %llu packet%s, %llu byte%s", 1975 (unsigned long long) ifi->ifi_ipackets, 1976 PLURAL(ifi->ifi_ipackets), 1977 (unsigned long long) ifi->ifi_ibytes, 1978 PLURAL(ifi->ifi_ibytes)); 1979 if (ifi->ifi_imcasts) 1980 printf(", %llu multicast%s", 1981 (unsigned long long) ifi->ifi_imcasts, 1982 PLURAL(ifi->ifi_imcasts)); 1983 if (ifi->ifi_ierrors) 1984 printf(", %llu error%s", 1985 (unsigned long long) ifi->ifi_ierrors, 1986 PLURAL(ifi->ifi_ierrors)); 1987 if (ifi->ifi_iqdrops) 1988 printf(", %llu queue drop%s", 1989 (unsigned long long) ifi->ifi_iqdrops, 1990 PLURAL(ifi->ifi_iqdrops)); 1991 if (ifi->ifi_noproto) 1992 printf(", %llu unknown protocol", 1993 (unsigned long long) ifi->ifi_noproto); 1994 printf("\n\toutput: %llu packet%s, %llu byte%s", 1995 (unsigned long long) ifi->ifi_opackets, 1996 PLURAL(ifi->ifi_opackets), 1997 (unsigned long long) ifi->ifi_obytes, 1998 PLURAL(ifi->ifi_obytes)); 1999 if (ifi->ifi_omcasts) 2000 printf(", %llu multicast%s", 2001 (unsigned long long) ifi->ifi_omcasts, 2002 PLURAL(ifi->ifi_omcasts)); 2003 if (ifi->ifi_oerrors) 2004 printf(", %llu error%s", 2005 (unsigned long long) ifi->ifi_oerrors, 2006 PLURAL(ifi->ifi_oerrors)); 2007 if (ifi->ifi_collisions) 2008 printf(", %llu collision%s", 2009 (unsigned long long) ifi->ifi_collisions, 2010 PLURAL(ifi->ifi_collisions)); 2011 printf("\n"); 2012 #undef PLURAL 2013 } 2014 2015 ieee80211_statistics(); 2016 2017 proto_status: 2018 if ((p = afp) != NULL) { 2019 (*p->af_status)(1); 2020 } else for (p = afs; p->af_name; p++) { 2021 ifr.ifr_addr.sa_family = p->af_af; 2022 (*p->af_status)(0); 2023 } 2024 } 2025 2026 void 2027 tunnel_status(void) 2028 { 2029 char psrcaddr[NI_MAXHOST]; 2030 char pdstaddr[NI_MAXHOST]; 2031 const char *ver = ""; 2032 const int niflag = NI_NUMERICHOST; 2033 struct if_laddrreq req; 2034 2035 psrcaddr[0] = pdstaddr[0] = '\0'; 2036 2037 memset(&req, 0, sizeof(req)); 2038 strncpy(req.iflr_name, name, IFNAMSIZ); 2039 if (ioctl(s, SIOCGLIFPHYADDR, &req) == -1) 2040 return; 2041 #ifdef INET6 2042 if (req.addr.ss_family == AF_INET6) 2043 in6_fillscopeid((struct sockaddr_in6 *)&req.addr); 2044 #endif 2045 getnameinfo((struct sockaddr *)&req.addr, req.addr.ss_len, 2046 psrcaddr, sizeof(psrcaddr), 0, 0, niflag); 2047 #ifdef INET6 2048 if (req.addr.ss_family == AF_INET6) 2049 ver = "6"; 2050 #endif 2051 2052 #ifdef INET6 2053 if (req.dstaddr.ss_family == AF_INET6) 2054 in6_fillscopeid((struct sockaddr_in6 *)&req.dstaddr); 2055 #endif 2056 getnameinfo((struct sockaddr *)&req.dstaddr, req.dstaddr.ss_len, 2057 pdstaddr, sizeof(pdstaddr), 0, 0, niflag); 2058 2059 printf("\ttunnel inet%s %s --> %s\n", ver, psrcaddr, pdstaddr); 2060 } 2061 2062 void 2063 in_alias(struct ifreq *creq) 2064 { 2065 struct sockaddr_in *iasin; 2066 int alias; 2067 2068 if (lflag) 2069 return; 2070 2071 alias = 1; 2072 2073 /* Get the non-alias address for this interface. */ 2074 getsock(AF_INET); 2075 if (s < 0) { 2076 if (errno == EPROTONOSUPPORT) 2077 return; 2078 err(EXIT_FAILURE, "socket"); 2079 } 2080 (void) memset(&ifr, 0, sizeof(ifr)); 2081 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2082 if (ioctl(s, SIOCGIFADDR, &ifr) == -1) { 2083 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2084 return; 2085 } else 2086 warn("SIOCGIFADDR"); 2087 } 2088 /* If creq and ifr are the same address, this is not an alias. */ 2089 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 2090 sizeof(creq->ifr_addr)) == 0) 2091 alias = 0; 2092 (void) memset(&in_addreq, 0, sizeof(in_addreq)); 2093 (void) strncpy(in_addreq.ifra_name, name, sizeof(in_addreq.ifra_name)); 2094 memcpy(&in_addreq.ifra_addr, &creq->ifr_addr, 2095 sizeof(in_addreq.ifra_addr)); 2096 if (ioctl(s, SIOCGIFALIAS, &in_addreq) == -1) { 2097 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2098 return; 2099 } else 2100 warn("SIOCGIFALIAS"); 2101 } 2102 2103 iasin = &in_addreq.ifra_addr; 2104 printf("\tinet %s%s", alias ? "alias " : "", inet_ntoa(iasin->sin_addr)); 2105 2106 if (flags & IFF_POINTOPOINT) { 2107 iasin = &in_addreq.ifra_dstaddr; 2108 printf(" -> %s", inet_ntoa(iasin->sin_addr)); 2109 } 2110 2111 iasin = &in_addreq.ifra_mask; 2112 printf(" netmask 0x%x", ntohl(iasin->sin_addr.s_addr)); 2113 2114 if (flags & IFF_BROADCAST) { 2115 iasin = &in_addreq.ifra_broadaddr; 2116 printf(" broadcast %s", inet_ntoa(iasin->sin_addr)); 2117 } 2118 printf("\n"); 2119 } 2120 2121 void 2122 in_status(int force) 2123 { 2124 struct ifaddrs *ifap, *ifa; 2125 struct ifreq isifr; 2126 2127 if (getifaddrs(&ifap) != 0) 2128 err(EXIT_FAILURE, "getifaddrs"); 2129 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2130 if (strcmp(name, ifa->ifa_name) != 0) 2131 continue; 2132 if (ifa->ifa_addr->sa_family != AF_INET) 2133 continue; 2134 if (sizeof(isifr.ifr_addr) < ifa->ifa_addr->sa_len) 2135 continue; 2136 2137 memset(&isifr, 0, sizeof(isifr)); 2138 strncpy(isifr.ifr_name, ifa->ifa_name, sizeof(isifr.ifr_name)); 2139 memcpy(&isifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2140 in_alias(&isifr); 2141 } 2142 freeifaddrs(ifap); 2143 } 2144 2145 void 2146 setifprefixlen(const char *addr, int d) 2147 { 2148 if (*afp->af_getprefix) 2149 (*afp->af_getprefix)(addr, MASK); 2150 explicit_prefix = 1; 2151 } 2152 2153 #ifdef INET6 2154 void 2155 in6_fillscopeid(struct sockaddr_in6 *sin6) 2156 { 2157 #if defined(__KAME__) && defined(KAME_SCOPEID) 2158 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 2159 sin6->sin6_scope_id = 2160 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 2161 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 2162 } 2163 #endif 2164 } 2165 2166 /* XXX not really an alias */ 2167 void 2168 in6_alias(struct in6_ifreq *creq) 2169 { 2170 struct sockaddr_in6 *sin6; 2171 char hbuf[NI_MAXHOST]; 2172 u_int32_t scopeid; 2173 const int niflag = NI_NUMERICHOST; 2174 2175 /* Get the non-alias address for this interface. */ 2176 getsock(AF_INET6); 2177 if (s < 0) { 2178 if (errno == EPROTONOSUPPORT) 2179 return; 2180 err(EXIT_FAILURE, "socket"); 2181 } 2182 2183 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 2184 2185 in6_fillscopeid(sin6); 2186 scopeid = sin6->sin6_scope_id; 2187 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2188 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2189 strlcpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2190 printf("\tinet6 %s", hbuf); 2191 2192 if (flags & IFF_POINTOPOINT) { 2193 (void) memset(&ifr6, 0, sizeof(ifr6)); 2194 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2195 ifr6.ifr_addr = creq->ifr_addr; 2196 if (ioctl(s, SIOCGIFDSTADDR_IN6, &ifr6) == -1) { 2197 if (errno != EADDRNOTAVAIL) 2198 warn("SIOCGIFDSTADDR_IN6"); 2199 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 2200 ifr6.ifr_addr.sin6_family = AF_INET6; 2201 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 2202 } 2203 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2204 in6_fillscopeid(sin6); 2205 hbuf[0] = '\0'; 2206 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2207 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2208 strlcpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2209 printf(" -> %s", hbuf); 2210 } 2211 2212 (void) memset(&ifr6, 0, sizeof(ifr6)); 2213 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2214 ifr6.ifr_addr = creq->ifr_addr; 2215 if (ioctl(s, SIOCGIFNETMASK_IN6, &ifr6) == -1) { 2216 if (errno != EADDRNOTAVAIL) 2217 warn("SIOCGIFNETMASK_IN6"); 2218 } else { 2219 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2220 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 2221 sizeof(struct in6_addr))); 2222 } 2223 2224 (void) memset(&ifr6, 0, sizeof(ifr6)); 2225 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2226 ifr6.ifr_addr = creq->ifr_addr; 2227 if (ioctl(s, SIOCGIFAFLAG_IN6, &ifr6) == -1) { 2228 if (errno != EADDRNOTAVAIL) 2229 warn("SIOCGIFAFLAG_IN6"); 2230 } else { 2231 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 2232 printf(" anycast"); 2233 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 2234 printf(" tentative"); 2235 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 2236 printf(" duplicated"); 2237 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 2238 printf(" detached"); 2239 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DEPRECATED) 2240 printf(" deprecated"); 2241 } 2242 2243 if (scopeid) 2244 printf(" scopeid 0x%x", scopeid); 2245 2246 if (Lflag) { 2247 struct in6_addrlifetime *lifetime; 2248 (void) memset(&ifr6, 0, sizeof(ifr6)); 2249 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2250 ifr6.ifr_addr = creq->ifr_addr; 2251 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 2252 if (ioctl(s, SIOCGIFALIFETIME_IN6, &ifr6) == -1) { 2253 if (errno != EADDRNOTAVAIL) 2254 warn("SIOCGIFALIFETIME_IN6"); 2255 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 2256 time_t t = time(NULL); 2257 printf(" pltime "); 2258 if (lifetime->ia6t_preferred) { 2259 printf("%s", lifetime->ia6t_preferred < t 2260 ? "0" 2261 : sec2str(lifetime->ia6t_preferred - t)); 2262 } else 2263 printf("infty"); 2264 2265 printf(" vltime "); 2266 if (lifetime->ia6t_expire) { 2267 printf("%s", lifetime->ia6t_expire < t 2268 ? "0" 2269 : sec2str(lifetime->ia6t_expire - t)); 2270 } else 2271 printf("infty"); 2272 } 2273 } 2274 2275 printf("\n"); 2276 } 2277 2278 void 2279 in6_status(int force) 2280 { 2281 struct ifaddrs *ifap, *ifa; 2282 struct in6_ifreq isifr; 2283 2284 if (getifaddrs(&ifap) != 0) 2285 err(EXIT_FAILURE, "getifaddrs"); 2286 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2287 if (strcmp(name, ifa->ifa_name) != 0) 2288 continue; 2289 if (ifa->ifa_addr->sa_family != AF_INET6) 2290 continue; 2291 if (sizeof(isifr.ifr_addr) < ifa->ifa_addr->sa_len) 2292 continue; 2293 2294 memset(&isifr, 0, sizeof(isifr)); 2295 strncpy(isifr.ifr_name, ifa->ifa_name, sizeof(isifr.ifr_name)); 2296 memcpy(&isifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2297 in6_alias(&isifr); 2298 } 2299 freeifaddrs(ifap); 2300 } 2301 #endif /*INET6*/ 2302 2303 #ifndef INET_ONLY 2304 2305 void 2306 at_status(int force) 2307 { 2308 struct sockaddr_at *sat, null_sat; 2309 struct netrange *nr; 2310 2311 getsock(AF_APPLETALK); 2312 if (s < 0) { 2313 if (errno == EPROTONOSUPPORT) 2314 return; 2315 err(EXIT_FAILURE, "socket"); 2316 } 2317 (void) memset(&ifr, 0, sizeof(ifr)); 2318 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2319 if (ioctl(s, SIOCGIFADDR, &ifr) == -1) { 2320 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2321 if (!force) 2322 return; 2323 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2324 } else 2325 warn("SIOCGIFADDR"); 2326 } 2327 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2328 sat = (struct sockaddr_at *)&ifr.ifr_addr; 2329 2330 (void) memset(&null_sat, 0, sizeof(null_sat)); 2331 2332 nr = (struct netrange *) &sat->sat_zero; 2333 printf("\tatalk %d.%d range %d-%d phase %d", 2334 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2335 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 2336 if (flags & IFF_POINTOPOINT) { 2337 if (ioctl(s, SIOCGIFDSTADDR, &ifr) == -1) { 2338 if (errno == EADDRNOTAVAIL) 2339 (void) memset(&ifr.ifr_addr, 0, 2340 sizeof(ifr.ifr_addr)); 2341 else 2342 warn("SIOCGIFDSTADDR"); 2343 } 2344 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2345 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 2346 if (!sat) 2347 sat = &null_sat; 2348 printf("--> %d.%d", 2349 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 2350 } 2351 if (flags & IFF_BROADCAST) { 2352 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 2353 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 2354 if (sat) 2355 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 2356 sat->sat_addr.s_node); 2357 } 2358 printf("\n"); 2359 } 2360 2361 void 2362 xns_status(int force) 2363 { 2364 struct sockaddr_ns *sns; 2365 2366 getsock(AF_NS); 2367 if (s < 0) { 2368 if (errno == EPROTONOSUPPORT) 2369 return; 2370 err(EXIT_FAILURE, "socket"); 2371 } 2372 (void) memset(&ifr, 0, sizeof(ifr)); 2373 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2374 if (ioctl(s, SIOCGIFADDR, &ifr) == -1) { 2375 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2376 if (!force) 2377 return; 2378 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2379 } else 2380 warn("SIOCGIFADDR"); 2381 } 2382 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2383 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 2384 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 2385 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 2386 if (ioctl(s, SIOCGIFDSTADDR, &ifr) == -1) { 2387 if (errno == EADDRNOTAVAIL) 2388 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2389 else 2390 warn("SIOCGIFDSTADDR"); 2391 } 2392 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2393 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 2394 printf("--> %s ", ns_ntoa(sns->sns_addr)); 2395 } 2396 printf("\n"); 2397 } 2398 2399 void 2400 iso_status(int force) 2401 { 2402 struct sockaddr_iso *siso; 2403 struct iso_ifreq isoifr; 2404 2405 getsock(AF_ISO); 2406 if (s < 0) { 2407 if (errno == EPROTONOSUPPORT) 2408 return; 2409 err(EXIT_FAILURE, "socket"); 2410 } 2411 (void) memset(&isoifr, 0, sizeof(isoifr)); 2412 (void) strncpy(isoifr.ifr_name, name, sizeof(isoifr.ifr_name)); 2413 if (ioctl(s, SIOCGIFADDR_ISO, &isoifr) == -1) { 2414 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2415 if (!force) 2416 return; 2417 (void) memset(&isoifr.ifr_Addr, 0, 2418 sizeof(isoifr.ifr_Addr)); 2419 } else 2420 warn("SIOCGIFADDR_ISO"); 2421 } 2422 (void) strncpy(isoifr.ifr_name, name, sizeof isoifr.ifr_name); 2423 siso = &isoifr.ifr_Addr; 2424 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 2425 if (ioctl(s, SIOCGIFNETMASK_ISO, &isoifr) == -1) { 2426 if (errno == EADDRNOTAVAIL) 2427 memset(&isoifr.ifr_Addr, 0, sizeof(isoifr.ifr_Addr)); 2428 else 2429 warn("SIOCGIFNETMASK_ISO"); 2430 } else { 2431 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 2432 siso->siso_addr.isoa_len = siso->siso_len 2433 - offsetof(struct sockaddr_iso, siso_addr); 2434 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 2435 } 2436 if (flags & IFF_POINTOPOINT) { 2437 if (ioctl(s, SIOCGIFDSTADDR_ISO, &isoifr) == -1) { 2438 if (errno == EADDRNOTAVAIL) 2439 memset(&isoifr.ifr_Addr, 0, 2440 sizeof(isoifr.ifr_Addr)); 2441 else 2442 warn("SIOCGIFDSTADDR_ISO"); 2443 } 2444 (void) strncpy(isoifr.ifr_name, name, sizeof (isoifr.ifr_name)); 2445 siso = &isoifr.ifr_Addr; 2446 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 2447 } 2448 printf("\n"); 2449 } 2450 2451 #endif /* INET_ONLY */ 2452 2453 #define SIN(x) ((struct sockaddr_in *) &(x)) 2454 struct sockaddr_in *sintab[] = { 2455 SIN(ridreq.ifr_addr), SIN(in_addreq.ifra_addr), 2456 SIN(in_addreq.ifra_mask), SIN(in_addreq.ifra_broadaddr)}; 2457 2458 void 2459 in_getaddr(const char *str, int which) 2460 { 2461 struct sockaddr_in *gasin = sintab[which]; 2462 struct hostent *hp; 2463 struct netent *np; 2464 2465 gasin->sin_len = sizeof(*gasin); 2466 if (which != MASK) 2467 gasin->sin_family = AF_INET; 2468 2469 if (which == ADDR) { 2470 char *p = NULL; 2471 if ((p = strrchr(str, '/')) != NULL) { 2472 *p = '\0'; 2473 in_getprefix(p + 1, MASK); 2474 } 2475 } 2476 2477 if (inet_aton(str, &gasin->sin_addr) == 0) { 2478 if ((hp = gethostbyname(str)) != NULL) 2479 (void) memcpy(&gasin->sin_addr, hp->h_addr, hp->h_length); 2480 else if ((np = getnetbyname(str)) != NULL) 2481 gasin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 2482 else 2483 errx(EXIT_FAILURE, "%s: bad value", str); 2484 } 2485 } 2486 2487 void 2488 in_getprefix(const char *plen, int which) 2489 { 2490 struct sockaddr_in *igsin = sintab[which]; 2491 u_char *cp; 2492 int len = strtol(plen, (char **)NULL, 10); 2493 2494 if ((len < 0) || (len > 32)) 2495 errx(EXIT_FAILURE, "%s: bad value", plen); 2496 igsin->sin_len = sizeof(*igsin); 2497 if (which != MASK) 2498 igsin->sin_family = AF_INET; 2499 if ((len == 0) || (len == 32)) { 2500 memset(&igsin->sin_addr, 0xff, sizeof(struct in_addr)); 2501 return; 2502 } 2503 memset((void *)&igsin->sin_addr, 0x00, sizeof(igsin->sin_addr)); 2504 for (cp = (u_char *)&igsin->sin_addr; len > 7; len -= 8) 2505 *cp++ = 0xff; 2506 if (len) 2507 *cp = 0xff << (8 - len); 2508 } 2509 2510 #ifdef INET6 2511 #define SIN6(x) ((struct sockaddr_in6 *) &(x)) 2512 struct sockaddr_in6 *sin6tab[] = { 2513 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 2514 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 2515 2516 void 2517 in6_getaddr(const char *str, int which) 2518 { 2519 #if defined(__KAME__) && defined(KAME_SCOPEID) 2520 struct sockaddr_in6 *sin6 = sin6tab[which]; 2521 struct addrinfo hints, *res; 2522 int error; 2523 char *slash = NULL; 2524 2525 if (which == ADDR) { 2526 if ((slash = strrchr(str, '/')) != NULL) 2527 *slash = '\0'; 2528 } 2529 2530 memset(&hints, 0, sizeof(hints)); 2531 hints.ai_family = AF_INET6; 2532 hints.ai_socktype = SOCK_DGRAM; 2533 #if 0 /* in_getaddr() allows FQDN */ 2534 hints.ai_flags = AI_NUMERICHOST; 2535 #endif 2536 error = getaddrinfo(str, "0", &hints, &res); 2537 if (error && slash) { 2538 /* try again treating the '/' as part of the name */ 2539 *slash = '/'; 2540 slash = NULL; 2541 error = getaddrinfo(str, "0", &hints, &res); 2542 } 2543 if (error) 2544 errx(EXIT_FAILURE, "%s: %s", str, gai_strerror(error)); 2545 if (res->ai_next) 2546 errx(EXIT_FAILURE, "%s: resolved to multiple addresses", str); 2547 if (res->ai_addrlen != sizeof(struct sockaddr_in6)) 2548 errx(EXIT_FAILURE, "%s: bad value", str); 2549 memcpy(sin6, res->ai_addr, res->ai_addrlen); 2550 freeaddrinfo(res); 2551 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) { 2552 *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = 2553 htons(sin6->sin6_scope_id); 2554 sin6->sin6_scope_id = 0; 2555 } 2556 if (slash) { 2557 in6_getprefix(slash + 1, MASK); 2558 explicit_prefix = 1; 2559 } 2560 #else 2561 struct sockaddr_in6 *gasin = sin6tab[which]; 2562 2563 gasin->sin6_len = sizeof(*gasin); 2564 if (which != MASK) 2565 gasin->sin6_family = AF_INET6; 2566 2567 if (which == ADDR) { 2568 char *p = NULL; 2569 if((p = strrchr(str, '/')) != NULL) { 2570 *p = '\0'; 2571 in6_getprefix(p + 1, MASK); 2572 explicit_prefix = 1; 2573 } 2574 } 2575 2576 if (inet_pton(AF_INET6, str, &gasin->sin6_addr) != 1) 2577 errx(EXIT_FAILURE, "%s: bad value", str); 2578 #endif 2579 } 2580 2581 void 2582 in6_getprefix(const char *plen, int which) 2583 { 2584 struct sockaddr_in6 *gpsin = sin6tab[which]; 2585 u_char *cp; 2586 int len = strtol(plen, (char **)NULL, 10); 2587 2588 if ((len < 0) || (len > 128)) 2589 errx(EXIT_FAILURE, "%s: bad value", plen); 2590 gpsin->sin6_len = sizeof(*gpsin); 2591 if (which != MASK) 2592 gpsin->sin6_family = AF_INET6; 2593 if ((len == 0) || (len == 128)) { 2594 memset(&gpsin->sin6_addr, 0xff, sizeof(struct in6_addr)); 2595 return; 2596 } 2597 memset((void *)&gpsin->sin6_addr, 0x00, sizeof(gpsin->sin6_addr)); 2598 for (cp = (u_char *)&gpsin->sin6_addr; len > 7; len -= 8) 2599 *cp++ = 0xff; 2600 if (len) 2601 *cp = 0xff << (8 - len); 2602 } 2603 2604 int 2605 prefix(void *val, int size) 2606 { 2607 u_char *pname = (u_char *)val; 2608 int byte, bit, plen = 0; 2609 2610 for (byte = 0; byte < size; byte++, plen += 8) 2611 if (pname[byte] != 0xff) 2612 break; 2613 if (byte == size) 2614 return (plen); 2615 for (bit = 7; bit != 0; bit--, plen++) 2616 if (!(pname[byte] & (1 << bit))) 2617 break; 2618 for (; bit != 0; bit--) 2619 if (pname[byte] & (1 << bit)) 2620 return(0); 2621 byte++; 2622 for (; byte < size; byte++) 2623 if (pname[byte]) 2624 return(0); 2625 return (plen); 2626 } 2627 #endif /*INET6*/ 2628 2629 #ifndef INET_ONLY 2630 void 2631 at_getaddr(const char *addr, int which) 2632 { 2633 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 2634 u_int net, node; 2635 2636 sat->sat_family = AF_APPLETALK; 2637 sat->sat_len = sizeof(*sat); 2638 if (which == MASK) 2639 errx(EXIT_FAILURE, "AppleTalk does not use netmasks"); 2640 if (sscanf(addr, "%u.%u", &net, &node) != 2 2641 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 2642 errx(EXIT_FAILURE, "%s: illegal address", addr); 2643 sat->sat_addr.s_net = htons(net); 2644 sat->sat_addr.s_node = node; 2645 } 2646 2647 void 2648 setatrange(const char *range, int d) 2649 { 2650 u_short first = 123, last = 123; 2651 2652 if (sscanf(range, "%hu-%hu", &first, &last) != 2 2653 || first == 0 /* || first > 0xffff */ 2654 || last == 0 /* || last > 0xffff */ || first > last) 2655 errx(EXIT_FAILURE, "%s: illegal net range: %u-%u", range, 2656 first, last); 2657 at_nr.nr_firstnet = htons(first); 2658 at_nr.nr_lastnet = htons(last); 2659 } 2660 2661 void 2662 setatphase(const char *phase, int d) 2663 { 2664 if (!strcmp(phase, "1")) 2665 at_nr.nr_phase = 1; 2666 else if (!strcmp(phase, "2")) 2667 at_nr.nr_phase = 2; 2668 else 2669 errx(EXIT_FAILURE, "%s: illegal phase", phase); 2670 } 2671 2672 void 2673 checkatrange(struct sockaddr_at *sat) 2674 { 2675 if (at_nr.nr_phase == 0) 2676 at_nr.nr_phase = 2; /* Default phase 2 */ 2677 if (at_nr.nr_firstnet == 0) 2678 at_nr.nr_firstnet = /* Default range of one */ 2679 at_nr.nr_lastnet = sat->sat_addr.s_net; 2680 printf("\tatalk %d.%d range %d-%d phase %d\n", 2681 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2682 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 2683 if ((u_short) ntohs(at_nr.nr_firstnet) > 2684 (u_short) ntohs(sat->sat_addr.s_net) 2685 || (u_short) ntohs(at_nr.nr_lastnet) < 2686 (u_short) ntohs(sat->sat_addr.s_net)) 2687 errx(EXIT_FAILURE, "AppleTalk address is not in range"); 2688 *((struct netrange *) &sat->sat_zero) = at_nr; 2689 } 2690 2691 #define SNS(x) ((struct sockaddr_ns *) &(x)) 2692 struct sockaddr_ns *snstab[] = { 2693 SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 2694 SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 2695 2696 void 2697 xns_getaddr(const char *addr, int which) 2698 { 2699 struct sockaddr_ns *sns = snstab[which]; 2700 2701 sns->sns_family = AF_NS; 2702 sns->sns_len = sizeof(*sns); 2703 sns->sns_addr = ns_addr(addr); 2704 if (which == MASK) 2705 puts("Attempt to set XNS netmask will be ineffectual"); 2706 } 2707 2708 #define SISO(x) ((struct sockaddr_iso *) &(x)) 2709 struct sockaddr_iso *sisotab[] = { 2710 SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 2711 SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 2712 2713 void 2714 iso_getaddr(const char *addr, int which) 2715 { 2716 struct sockaddr_iso *siso = sisotab[which]; 2717 siso->siso_addr = *iso_addr(addr); 2718 2719 if (which == MASK) { 2720 siso->siso_len = TSEL(siso) - (char *)(siso); 2721 siso->siso_nlen = 0; 2722 } else { 2723 siso->siso_len = sizeof(*siso); 2724 siso->siso_family = AF_ISO; 2725 } 2726 } 2727 2728 void 2729 setsnpaoffset(const char *val, int d) 2730 { 2731 iso_addreq.ifra_snpaoffset = atoi(val); 2732 } 2733 2734 void 2735 setnsellength(const char *val, int d) 2736 { 2737 nsellength = atoi(val); 2738 if (nsellength < 0) 2739 errx(EXIT_FAILURE, "Negative NSEL length is absurd"); 2740 if (afp == 0 || afp->af_af != AF_ISO) 2741 errx(EXIT_FAILURE, "Setting NSEL length valid only for iso"); 2742 } 2743 2744 void 2745 fixnsel(struct sockaddr_iso *siso) 2746 { 2747 if (siso->siso_family == 0) 2748 return; 2749 siso->siso_tlen = nsellength; 2750 } 2751 2752 void 2753 adjust_nsellength(void) 2754 { 2755 fixnsel(sisotab[RIDADDR]); 2756 fixnsel(sisotab[ADDR]); 2757 fixnsel(sisotab[DSTADDR]); 2758 } 2759 2760 #endif /* INET_ONLY */ 2761 2762 void 2763 usage(void) 2764 { 2765 const char *progname = getprogname(); 2766 2767 fprintf(stderr, 2768 "usage: %s [-m] [-v] [-z] " 2769 #ifdef INET6 2770 "[-L] " 2771 #endif 2772 "interface\n" 2773 "\t[ af [ address [ dest_addr ] ] [ netmask mask ] [ prefixlen n ]\n" 2774 "\t\t[ alias | -alias ] ]\n" 2775 "\t[ up ] [ down ] [ metric n ] [ mtu n ]\n" 2776 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n" 2777 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n" 2778 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n" 2779 "\t[ arp | -arp ]\n" 2780 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] " 2781 "[ instance minst ]\n" 2782 "\t[ vlan n vlanif i ]\n" 2783 "\t[ agrport i ] [ -agrport i ]\n" 2784 "\t[ anycast | -anycast ] [ deprecated | -deprecated ]\n" 2785 "\t[ tentative | -tentative ] [ pltime n ] [ vltime n ] [ eui64 ]\n" 2786 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" 2787 " %s -a [-b] [-m] [-d] [-u] [-v] [-z] [ af ]\n" 2788 " %s -l [-b] [-d] [-u] [-s]\n" 2789 " %s -C\n" 2790 " %s interface create\n" 2791 " %s interface destroy\n", 2792 progname, progname, progname, progname, progname, progname); 2793 exit(1); 2794 } 2795 2796 #ifdef INET6 2797 char * 2798 sec2str(total) 2799 time_t total; 2800 { 2801 static char result[256]; 2802 int days, hours, mins, secs; 2803 int first = 1; 2804 char *p = result; 2805 char *end = &result[sizeof(result)]; 2806 int n; 2807 2808 if (0) { /*XXX*/ 2809 days = total / 3600 / 24; 2810 hours = (total / 3600) % 24; 2811 mins = (total / 60) % 60; 2812 secs = total % 60; 2813 2814 if (days) { 2815 first = 0; 2816 n = snprintf(p, end - p, "%dd", days); 2817 if (n < 0 || n >= end - p) 2818 return(result); 2819 p += n; 2820 } 2821 if (!first || hours) { 2822 first = 0; 2823 n = snprintf(p, end - p, "%dh", hours); 2824 if (n < 0 || n >= end - p) 2825 return(result); 2826 p += n; 2827 } 2828 if (!first || mins) { 2829 first = 0; 2830 n = snprintf(p, end - p, "%dm", mins); 2831 if (n < 0 || n >= end - p) 2832 return(result); 2833 p += n; 2834 } 2835 snprintf(p, end - p, "%ds", secs); 2836 } else 2837 snprintf(p, end - p, "%lu", (u_long)total); 2838 2839 return(result); 2840 } 2841 #endif 2842
Indexes created Fri Sep 26 08:10:20 GMT 2025