ifconfig.c revision 1.158
1 /* $NetBSD: ifconfig.c,v 1.158 2005/03/19 22:57:06 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 1.158 2005/03/19 22:57:06 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 "extern.h" 124 #include "agr.h" 125 #include "tunnel.h" 126 #include "vlan.h" 127 128 struct ifreq ifr, ridreq; 129 struct ifaliasreq addreq __attribute__((aligned(4))); 130 struct in_aliasreq in_addreq; 131 #ifdef INET6 132 struct in6_ifreq ifr6; 133 struct in6_ifreq in6_ridreq; 134 struct in6_aliasreq in6_addreq; 135 #endif 136 struct iso_ifreq iso_ridreq; 137 struct iso_aliasreq iso_addreq; 138 struct sockaddr_in netmask; 139 struct netrange at_nr; /* AppleTalk net range */ 140 141 char name[30]; 142 u_short flags; 143 int setaddr, setipdst, doalias; 144 u_long metric, mtu; 145 int clearaddr, s; 146 int newaddr = -1; 147 int conflicting = 0; 148 int nsellength = 1; 149 int af; 150 int aflag, bflag, Cflag, dflag, lflag, mflag, sflag, uflag, vflag, zflag; 151 #ifdef INET6 152 int Lflag; 153 #endif 154 int explicit_prefix = 0; 155 156 struct ifcapreq g_ifcr; 157 int g_ifcr_updated; 158 159 void notealias(const char *, int); 160 void notrailers(const char *, int); 161 void setifaddr(const char *, int); 162 void setifdstaddr(const char *, int); 163 void setifflags(const char *, int); 164 void setifcaps(const char *, int); 165 void setifbroadaddr(const char *, int); 166 void setifipdst(const char *, int); 167 void setifmetric(const char *, int); 168 void setifmtu(const char *, int); 169 void setifnwid(const char *, int); 170 void setifnwkey(const char *, int); 171 void setifbssid(const char *, int); 172 void setifchan(const char *, int); 173 void setifpowersave(const char *, int); 174 void setifpowersavesleep(const char *, int); 175 void setifnetmask(const char *, int); 176 void setifprefixlen(const char *, int); 177 void setnsellength(const char *, int); 178 void setsnpaoffset(const char *, int); 179 void setatrange(const char *, int); 180 void setatphase(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); 365 366 /* Known address families */ 367 struct afswtch afs[] = { 368 { "inet", AF_INET, in_status, in_getaddr, in_getprefix, 369 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, &ridreq, &in_addreq }, 370 #ifdef INET6 371 { "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix, 372 SIOCDIFADDR_IN6, SIOCAIFADDR_IN6, 373 /* 374 * Deleting the first address before setting new one is 375 * not prefered way in this protocol. 376 */ 377 0, 378 &in6_ridreq, &in6_addreq }, 379 #endif 380 #ifndef INET_ONLY /* small version, for boot media */ 381 { "atalk", AF_APPLETALK, at_status, at_getaddr, NULL, 382 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, &addreq, &addreq }, 383 { "ns", AF_NS, xns_status, xns_getaddr, NULL, 384 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, &ridreq, &addreq }, 385 { "iso", AF_ISO, iso_status, iso_getaddr, NULL, 386 SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, SIOCGIFADDR_ISO, 387 &iso_ridreq, &iso_addreq }, 388 #endif /* INET_ONLY */ 389 { 0, 0, 0, 0 } 390 }; 391 392 struct afswtch *afp; /*the address family being set or asked about*/ 393 394 int 395 main(int argc, char *argv[]) 396 { 397 int ch; 398 399 /* Parse command-line options */ 400 aflag = mflag = vflag = zflag = 0; 401 while ((ch = getopt(argc, argv, "AabCdlmsuvz" 402 #ifdef INET6 403 "L" 404 #endif 405 )) != -1) { 406 switch (ch) { 407 case 'A': 408 warnx("-A is deprecated"); 409 break; 410 411 case 'a': 412 aflag = 1; 413 break; 414 415 case 'b': 416 bflag = 1; 417 break; 418 419 case 'C': 420 Cflag = 1; 421 break; 422 423 case 'd': 424 dflag = 1; 425 break; 426 427 #ifdef INET6 428 case 'L': 429 Lflag = 1; 430 break; 431 #endif 432 433 case 'l': 434 lflag = 1; 435 break; 436 437 case 'm': 438 mflag = 1; 439 break; 440 441 case 's': 442 sflag = 1; 443 break; 444 445 case 'u': 446 uflag = 1; 447 break; 448 449 case 'v': 450 vflag = 1; 451 break; 452 453 case 'z': 454 zflag = 1; 455 break; 456 457 458 default: 459 usage(); 460 /* NOTREACHED */ 461 } 462 } 463 argc -= optind; 464 argv += optind; 465 466 /* 467 * -l means "list all interfaces", and is mutally exclusive with 468 * all other flags/commands. 469 * 470 * -C means "list all names of cloners", and it mutually exclusive 471 * with all other flags/commands. 472 * 473 * -a means "print status of all interfaces". 474 */ 475 if ((lflag || Cflag) && (aflag || mflag || vflag || argc || zflag)) 476 usage(); 477 #ifdef INET6 478 if ((lflag || Cflag) && Lflag) 479 usage(); 480 #endif 481 if (lflag && Cflag) 482 usage(); 483 if (Cflag) { 484 if (argc) 485 usage(); 486 list_cloners(); 487 exit(0); 488 } 489 if (aflag || lflag) { 490 if (argc > 1) 491 usage(); 492 else if (argc == 1) { 493 afp = lookup_af_byname(argv[0]); 494 if (afp == NULL) 495 usage(); 496 } 497 if (afp) 498 af = ifr.ifr_addr.sa_family = afp->af_af; 499 else 500 af = ifr.ifr_addr.sa_family = afs[0].af_af; 501 printall(NULL); 502 exit(0); 503 } 504 505 /* Make sure there's an interface name. */ 506 if (argc < 1) 507 usage(); 508 if (strlcpy(name, argv[0], sizeof(name)) >= sizeof(name)) 509 errx(1, "interface name '%s' too long", argv[0]); 510 argc--; argv++; 511 512 /* 513 * NOTE: We must special-case the `create' command right 514 * here as we would otherwise fail in getinfo(). 515 */ 516 if (argc > 0 && strcmp(argv[0], "create") == 0) { 517 clone_create(argv[0], 0); 518 argc--, argv++; 519 if (argc == 0) 520 exit(0); 521 } 522 523 /* Check for address family. */ 524 afp = NULL; 525 if (argc > 0) { 526 afp = lookup_af_byname(argv[0]); 527 if (afp != NULL) { 528 argv++; 529 argc--; 530 } 531 } 532 533 /* Initialize af, just for use in getinfo(). */ 534 if (afp == NULL) 535 af = afs->af_af; 536 else 537 af = afp->af_af; 538 539 /* Get information about the interface. */ 540 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 541 if (getinfo(&ifr) < 0) 542 exit(1); 543 544 if (sflag) { 545 if (argc != 0) 546 usage(); 547 else 548 exit(carrier()); 549 } 550 551 /* No more arguments means interface status. */ 552 if (argc == 0) { 553 printall(name); 554 exit(0); 555 } 556 557 /* The following operations assume inet family as the default. */ 558 if (afp == NULL) 559 afp = afs; 560 af = ifr.ifr_addr.sa_family = afp->af_af; 561 562 #ifdef INET6 563 /* initialization */ 564 in6_addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; 565 in6_addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; 566 #endif 567 568 /* Process commands. */ 569 while (argc > 0) { 570 const struct cmd *p; 571 572 for (p = cmds; p->c_name; p++) 573 if (strcmp(argv[0], p->c_name) == 0) 574 break; 575 if (p->c_name == 0 && setaddr) { 576 if ((flags & IFF_POINTOPOINT) == 0) { 577 errx(EXIT_FAILURE, 578 "can't set destination address %s", 579 "on non-point-to-point link"); 580 } 581 p++; /* got src, do dst */ 582 } 583 if (p->c_func != NULL || p->c_func2 != NULL) { 584 if (p->c_parameter == NEXTARG) { 585 if (argc < 2) 586 errx(EXIT_FAILURE, 587 "'%s' requires argument", 588 p->c_name); 589 (*p->c_func)(argv[1], 0); 590 argc--, argv++; 591 } else if (p->c_parameter == NEXTARG2) { 592 if (argc < 3) 593 errx(EXIT_FAILURE, 594 "'%s' requires 2 arguments", 595 p->c_name); 596 (*p->c_func2)(argv[1], argv[2]); 597 argc -= 2, argv += 2; 598 } else 599 (*p->c_func)(argv[0], p->c_parameter); 600 actions |= p->c_action; 601 } 602 argc--, argv++; 603 } 604 605 /* 606 * See if multiple alias, -alias, or delete commands were 607 * specified. More than one constitutes an invalid command line 608 */ 609 610 if (conflicting > 1) 611 errx(EXIT_FAILURE, 612 "Only one use of alias, -alias or delete is valid."); 613 614 /* Process any media commands that may have been issued. */ 615 process_media_commands(); 616 617 if (af == AF_INET6 && explicit_prefix == 0) { 618 /* 619 * Aggregatable address architecture defines all prefixes 620 * are 64. So, it is convenient to set prefixlen to 64 if 621 * it is not specified. 622 */ 623 setifprefixlen("64", 0); 624 /* in6_getprefix("64", MASK) if MASK is available here... */ 625 } 626 627 #ifndef INET_ONLY 628 if (af == AF_ISO) 629 adjust_nsellength(); 630 631 if (af == AF_APPLETALK) 632 checkatrange((struct sockaddr_at *) &addreq.ifra_addr); 633 634 if (setipdst && af==AF_NS) { 635 struct nsip_req rq; 636 int size = sizeof(rq); 637 638 rq.rq_ns = addreq.ifra_addr; 639 rq.rq_ip = addreq.ifra_dstaddr; 640 641 if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0) 642 warn("encapsulation routing"); 643 } 644 645 #endif /* INET_ONLY */ 646 647 if (clearaddr) { 648 (void) strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name); 649 if (ioctl(s, afp->af_difaddr, afp->af_ridreq) == -1) 650 err(EXIT_FAILURE, "SIOCDIFADDR"); 651 } 652 if (newaddr > 0) { 653 (void) strncpy(afp->af_addreq, name, sizeof ifr.ifr_name); 654 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) == -1) 655 warn("SIOCAIFADDR"); 656 } 657 658 if (g_ifcr_updated) { 659 (void) strncpy(g_ifcr.ifcr_name, name, 660 sizeof(g_ifcr.ifcr_name)); 661 if (ioctl(s, SIOCSIFCAP, &g_ifcr) == -1) 662 err(EXIT_FAILURE, "SIOCSIFCAP"); 663 } 664 665 exit(0); 666 } 667 668 struct afswtch * 669 lookup_af_byname(const char *cp) 670 { 671 struct afswtch *a; 672 673 for (a = afs; a->af_name != NULL; a++) 674 if (strcmp(a->af_name, cp) == 0) 675 return (a); 676 return (NULL); 677 } 678 679 struct afswtch * 680 lookup_af_bynum(int afnum) 681 { 682 struct afswtch *a; 683 684 for (a = afs; a->af_name != NULL; a++) 685 if (a->af_af == afnum) 686 return (a); 687 return (NULL); 688 } 689 690 void 691 getsock(int naf) 692 { 693 static int oaf = -1; 694 695 if (oaf == naf) 696 return; 697 if (oaf != -1) 698 close(s); 699 s = socket(naf, SOCK_DGRAM, 0); 700 if (s < 0) 701 oaf = -1; 702 else 703 oaf = naf; 704 } 705 706 int 707 getinfo(struct ifreq *giifr) 708 { 709 710 getsock(af); 711 if (s < 0) 712 err(EXIT_FAILURE, "socket"); 713 if (ioctl(s, SIOCGIFFLAGS, giifr) == -1) { 714 warn("SIOCGIFFLAGS %s", giifr->ifr_name); 715 return (-1); 716 } 717 flags = giifr->ifr_flags; 718 if (ioctl(s, SIOCGIFMETRIC, giifr) == -1) { 719 warn("SIOCGIFMETRIC %s", giifr->ifr_name); 720 metric = 0; 721 } else 722 metric = giifr->ifr_metric; 723 if (ioctl(s, SIOCGIFMTU, giifr) == -1) 724 mtu = 0; 725 else 726 mtu = giifr->ifr_mtu; 727 728 memset(&g_ifcr, 0, sizeof(g_ifcr)); 729 strcpy(g_ifcr.ifcr_name, giifr->ifr_name); 730 (void) ioctl(s, SIOCGIFCAP, &g_ifcr); 731 732 return (0); 733 } 734 735 void 736 printall(const char *ifname) 737 { 738 struct ifaddrs *ifap, *ifa; 739 struct ifreq paifr; 740 const struct sockaddr_dl *sdl = NULL; 741 int idx; 742 char *p; 743 744 if (getifaddrs(&ifap) != 0) 745 err(EXIT_FAILURE, "getifaddrs"); 746 p = NULL; 747 idx = 0; 748 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 749 memset(&paifr, 0, sizeof(paifr)); 750 strncpy(paifr.ifr_name, ifa->ifa_name, sizeof(paifr.ifr_name)); 751 if (sizeof(paifr.ifr_addr) >= ifa->ifa_addr->sa_len) { 752 memcpy(&paifr.ifr_addr, ifa->ifa_addr, 753 ifa->ifa_addr->sa_len); 754 } 755 756 if (ifname && strcmp(ifname, ifa->ifa_name) != 0) 757 continue; 758 if (ifa->ifa_addr->sa_family == AF_LINK) 759 sdl = (const struct sockaddr_dl *) ifa->ifa_addr; 760 if (p && strcmp(p, ifa->ifa_name) == 0) 761 continue; 762 if (strlcpy(name, ifa->ifa_name, sizeof(name)) >= sizeof(name)) 763 continue; 764 p = ifa->ifa_name; 765 766 if (getinfo(&paifr) < 0) 767 continue; 768 if (bflag && (ifa->ifa_flags & IFF_BROADCAST) == 0) 769 continue; 770 if (dflag && (ifa->ifa_flags & IFF_UP) != 0) 771 continue; 772 if (uflag && (ifa->ifa_flags & IFF_UP) == 0) 773 continue; 774 775 if (sflag && carrier()) 776 continue; 777 idx++; 778 /* 779 * Are we just listing the interfaces? 780 */ 781 if (lflag) { 782 if (idx > 1) 783 printf(" "); 784 fputs(name, stdout); 785 continue; 786 } 787 788 status(sdl); 789 sdl = NULL; 790 } 791 if (lflag) 792 printf("\n"); 793 freeifaddrs(ifap); 794 } 795 796 void 797 list_cloners(void) 798 { 799 struct if_clonereq ifcr; 800 char *cp, *buf; 801 int idx; 802 803 memset(&ifcr, 0, sizeof(ifcr)); 804 805 getsock(AF_INET); 806 807 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 808 err(EXIT_FAILURE, "SIOCIFGCLONERS for count"); 809 810 buf = malloc(ifcr.ifcr_total * IFNAMSIZ); 811 if (buf == NULL) 812 err(EXIT_FAILURE, "unable to allocate cloner name buffer"); 813 814 ifcr.ifcr_count = ifcr.ifcr_total; 815 ifcr.ifcr_buffer = buf; 816 817 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 818 err(EXIT_FAILURE, "SIOCIFGCLONERS for names"); 819 820 /* 821 * In case some disappeared in the mean time, clamp it down. 822 */ 823 if (ifcr.ifcr_count > ifcr.ifcr_total) 824 ifcr.ifcr_count = ifcr.ifcr_total; 825 826 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) { 827 if (idx > 0) 828 printf(" "); 829 printf("%s", cp); 830 } 831 832 printf("\n"); 833 free(buf); 834 return; 835 } 836 837 /*ARGSUSED*/ 838 void 839 clone_create(const char *addr, int param) 840 { 841 842 /* We're called early... */ 843 getsock(AF_INET); 844 845 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 846 if (ioctl(s, SIOCIFCREATE, &ifr) == -1) 847 err(EXIT_FAILURE, "SIOCIFCREATE"); 848 } 849 850 /*ARGSUSED*/ 851 void 852 clone_destroy(const char *addr, int param) 853 { 854 855 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 856 if (ioctl(s, SIOCIFDESTROY, &ifr) == -1) 857 err(EXIT_FAILURE, "SIOCIFDESTROY"); 858 } 859 860 #define RIDADDR 0 861 #define ADDR 1 862 #define MASK 2 863 #define DSTADDR 3 864 865 /*ARGSUSED*/ 866 void 867 setifaddr(const char *addr, int param) 868 { 869 struct ifreq *siifr; /* XXX */ 870 871 /* 872 * Delay the ioctl to set the interface addr until flags are all set. 873 * The address interpretation may depend on the flags, 874 * and the flags may change when the address is set. 875 */ 876 setaddr++; 877 if (newaddr == -1) 878 newaddr = 1; 879 if (doalias == 0 && afp->af_gifaddr != 0) { 880 siifr = (struct ifreq *)afp->af_ridreq; 881 (void) strncpy(siifr->ifr_name, name, sizeof(siifr->ifr_name)); 882 siifr->ifr_addr.sa_family = afp->af_af; 883 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0) 884 clearaddr = 1; 885 else if (errno == EADDRNOTAVAIL) 886 /* No address was assigned yet. */ 887 ; 888 else 889 err(EXIT_FAILURE, "SIOCGIFADDR"); 890 } 891 892 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 893 } 894 895 void 896 setifnetmask(const char *addr, int d) 897 { 898 (*afp->af_getaddr)(addr, MASK); 899 } 900 901 void 902 setifbroadaddr(const char *addr, int d) 903 { 904 (*afp->af_getaddr)(addr, DSTADDR); 905 } 906 907 void 908 setifipdst(const char *addr, int d) 909 { 910 in_getaddr(addr, DSTADDR); 911 setipdst++; 912 clearaddr = 0; 913 newaddr = 0; 914 } 915 916 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 917 /*ARGSUSED*/ 918 void 919 notealias(const char *addr, int param) 920 { 921 if (setaddr && doalias == 0 && param < 0) 922 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 923 rqtosa(af_addreq)->sa_len); 924 doalias = param; 925 if (param < 0) { 926 clearaddr = 1; 927 newaddr = 0; 928 conflicting++; 929 } else { 930 clearaddr = 0; 931 conflicting++; 932 } 933 } 934 935 /*ARGSUSED*/ 936 void 937 notrailers(const char *vname, int value) 938 { 939 puts("Note: trailers are no longer sent, but always received"); 940 } 941 942 /*ARGSUSED*/ 943 void 944 setifdstaddr(const char *addr, int param) 945 { 946 (*afp->af_getaddr)(addr, DSTADDR); 947 } 948 949 void 950 setifflags(const char *vname, int value) 951 { 952 struct ifreq ifreq; 953 954 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 955 if (ioctl(s, SIOCGIFFLAGS, &ifreq) == -1) 956 err(EXIT_FAILURE, "SIOCGIFFLAGS"); 957 flags = ifreq.ifr_flags; 958 959 if (value < 0) { 960 value = -value; 961 flags &= ~value; 962 } else 963 flags |= value; 964 ifreq.ifr_flags = flags; 965 if (ioctl(s, SIOCSIFFLAGS, &ifreq) == -1) 966 err(EXIT_FAILURE, "SIOCSIFFLAGS"); 967 } 968 969 void 970 setifcaps(const char *vname, int value) 971 { 972 973 if (value < 0) { 974 value = -value; 975 g_ifcr.ifcr_capenable &= ~value; 976 } else 977 g_ifcr.ifcr_capenable |= value; 978 979 g_ifcr_updated = 1; 980 } 981 982 #ifdef INET6 983 void 984 setia6flags(const char *vname, int value) 985 { 986 987 if (value < 0) { 988 value = -value; 989 in6_addreq.ifra_flags &= ~value; 990 } else 991 in6_addreq.ifra_flags |= value; 992 } 993 994 void 995 setia6pltime(const char *val, int d) 996 { 997 998 setia6lifetime("pltime", val); 999 } 1000 1001 void 1002 setia6vltime(const char *val, int d) 1003 { 1004 1005 setia6lifetime("vltime", val); 1006 } 1007 1008 void 1009 setia6lifetime(const char *cmd, const char *val) 1010 { 1011 time_t newval, t; 1012 char *ep; 1013 1014 t = time(NULL); 1015 newval = (time_t)strtoul(val, &ep, 0); 1016 if (val == ep) 1017 errx(EXIT_FAILURE, "invalid %s", cmd); 1018 if (afp->af_af != AF_INET6) 1019 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd); 1020 if (strcmp(cmd, "vltime") == 0) { 1021 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 1022 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 1023 } else if (strcmp(cmd, "pltime") == 0) { 1024 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 1025 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 1026 } 1027 } 1028 1029 void 1030 setia6eui64(const char *cmd, int val) 1031 { 1032 struct ifaddrs *ifap, *ifa; 1033 const struct sockaddr_in6 *sin6 = NULL; 1034 const struct in6_addr *lladdr = NULL; 1035 struct in6_addr *in6; 1036 1037 if (afp->af_af != AF_INET6) 1038 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd); 1039 in6 = (struct in6_addr *)&in6_addreq.ifra_addr.sin6_addr; 1040 if (memcmp(&in6addr_any.s6_addr[8], &in6->s6_addr[8], 8) != 0) 1041 errx(EXIT_FAILURE, "interface index is already filled"); 1042 if (getifaddrs(&ifap) != 0) 1043 err(EXIT_FAILURE, "getifaddrs"); 1044 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 1045 if (ifa->ifa_addr->sa_family == AF_INET6 && 1046 strcmp(ifa->ifa_name, name) == 0) { 1047 sin6 = (const struct sockaddr_in6 *)ifa->ifa_addr; 1048 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1049 lladdr = &sin6->sin6_addr; 1050 break; 1051 } 1052 } 1053 } 1054 if (!lladdr) 1055 errx(EXIT_FAILURE, "could not determine link local address"); 1056 1057 memcpy(&in6->s6_addr[8], &lladdr->s6_addr[8], 8); 1058 1059 freeifaddrs(ifap); 1060 } 1061 #endif 1062 1063 void 1064 setifmetric(const char *val, int d) 1065 { 1066 char *ep = NULL; 1067 1068 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1069 ifr.ifr_metric = strtoul(val, &ep, 10); 1070 if (!ep || *ep) 1071 errx(EXIT_FAILURE, "%s: invalid metric", val); 1072 if (ioctl(s, SIOCSIFMETRIC, &ifr) == -1) 1073 warn("SIOCSIFMETRIC"); 1074 } 1075 1076 void 1077 setifmtu(const char *val, int d) 1078 { 1079 char *ep = NULL; 1080 1081 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1082 ifr.ifr_mtu = strtoul(val, &ep, 10); 1083 if (!ep || *ep) 1084 errx(EXIT_FAILURE, "%s: invalid mtu", val); 1085 if (ioctl(s, SIOCSIFMTU, &ifr) == -1) 1086 warn("SIOCSIFMTU"); 1087 } 1088 1089 const char * 1090 get_string(const char *val, const char *sep, u_int8_t *buf, int *lenp) 1091 { 1092 int len; 1093 int hexstr; 1094 u_int8_t *p; 1095 1096 len = *lenp; 1097 p = buf; 1098 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 1099 if (hexstr) 1100 val += 2; 1101 for (;;) { 1102 if (*val == '\0') 1103 break; 1104 if (sep != NULL && strchr(sep, *val) != NULL) { 1105 val++; 1106 break; 1107 } 1108 if (hexstr) { 1109 if (!isxdigit((u_char)val[0]) || 1110 !isxdigit((u_char)val[1])) { 1111 warnx("bad hexadecimal digits"); 1112 return NULL; 1113 } 1114 } 1115 if (p > buf + len) { 1116 if (hexstr) 1117 warnx("hexadecimal digits too long"); 1118 else 1119 warnx("strings too long"); 1120 return NULL; 1121 } 1122 if (hexstr) { 1123 #define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 1124 *p++ = (tohex((u_char)val[0]) << 4) | 1125 tohex((u_char)val[1]); 1126 #undef tohex 1127 val += 2; 1128 } else 1129 *p++ = *val++; 1130 } 1131 len = p - buf; 1132 if (len < *lenp) 1133 memset(p, 0, *lenp - len); 1134 *lenp = len; 1135 return val; 1136 } 1137 1138 void 1139 print_string(const u_int8_t *buf, int len) 1140 { 1141 int i; 1142 int hasspc; 1143 1144 i = 0; 1145 hasspc = 0; 1146 if (len < 2 || buf[0] != '0' || tolower(buf[1]) != 'x') { 1147 for (; i < len; i++) { 1148 if (!isprint(buf[i])) 1149 break; 1150 if (isspace(buf[i])) 1151 hasspc++; 1152 } 1153 } 1154 if (i == len) { 1155 if (hasspc || len == 0) 1156 printf("\"%.*s\"", len, buf); 1157 else 1158 printf("%.*s", len, buf); 1159 } else { 1160 printf("0x"); 1161 for (i = 0; i < len; i++) 1162 printf("%02x", buf[i]); 1163 } 1164 } 1165 1166 void 1167 setifnwid(const char *val, int d) 1168 { 1169 struct ieee80211_nwid nwid; 1170 int len; 1171 1172 len = sizeof(nwid.i_nwid); 1173 if (get_string(val, NULL, nwid.i_nwid, &len) == NULL) 1174 return; 1175 nwid.i_len = len; 1176 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1177 ifr.ifr_data = (void *)&nwid; 1178 if (ioctl(s, SIOCS80211NWID, &ifr) == -1) 1179 warn("SIOCS80211NWID"); 1180 } 1181 1182 void 1183 setifbssid(const char *val, int d) 1184 { 1185 struct ieee80211_bssid bssid; 1186 struct ether_addr *ea; 1187 1188 if (d != 0) { 1189 /* no BSSID is especially desired */ 1190 memset(&bssid.i_bssid, 0, sizeof(bssid.i_bssid)); 1191 } else { 1192 ea = ether_aton(val); 1193 if (ea == NULL) { 1194 warnx("malformed BSSID: %s", val); 1195 return; 1196 } 1197 memcpy(&bssid.i_bssid, ea->ether_addr_octet, 1198 sizeof(bssid.i_bssid)); 1199 } 1200 (void)strncpy(bssid.i_name, name, sizeof(bssid.i_name)); 1201 if (ioctl(s, SIOCS80211BSSID, &bssid) == -1) 1202 warn("SIOCS80211BSSID"); 1203 } 1204 1205 void 1206 setifchan(const char *val, int d) 1207 { 1208 struct ieee80211chanreq channel; 1209 int chan; 1210 1211 if (d != 0) 1212 chan = IEEE80211_CHAN_ANY; 1213 else { 1214 chan = atoi(val); 1215 if (chan < 0 || chan > 0xffff) { 1216 warnx("invalid channel: %s", val); 1217 return; 1218 } 1219 } 1220 1221 (void)strncpy(channel.i_name, name, sizeof(channel.i_name)); 1222 channel.i_channel = (u_int16_t) chan; 1223 if (ioctl(s, SIOCS80211CHANNEL, &channel) == -1) 1224 warn("SIOCS80211CHANNEL"); 1225 } 1226 1227 void 1228 setifnwkey(const char *val, int d) 1229 { 1230 struct ieee80211_nwkey nwkey; 1231 int i; 1232 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1233 1234 nwkey.i_wepon = IEEE80211_NWKEY_WEP; 1235 nwkey.i_defkid = 1; 1236 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1237 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1238 nwkey.i_key[i].i_keydat = keybuf[i]; 1239 } 1240 if (d != 0) { 1241 /* disable WEP encryption */ 1242 nwkey.i_wepon = 0; 1243 i = 0; 1244 } else if (strcasecmp("persist", val) == 0) { 1245 /* use all values from persistent memory */ 1246 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1247 nwkey.i_defkid = 0; 1248 for (i = 0; i < IEEE80211_WEP_NKID; i++) 1249 nwkey.i_key[i].i_keylen = -1; 1250 } else if (strncasecmp("persist:", val, 8) == 0) { 1251 val += 8; 1252 /* program keys in persistent memory */ 1253 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1254 goto set_nwkey; 1255 } else { 1256 set_nwkey: 1257 if (isdigit((unsigned char)val[0]) && val[1] == ':') { 1258 /* specifying a full set of four keys */ 1259 nwkey.i_defkid = val[0] - '0'; 1260 val += 2; 1261 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1262 val = get_string(val, ",", keybuf[i], 1263 &nwkey.i_key[i].i_keylen); 1264 if (val == NULL) 1265 return; 1266 } 1267 if (*val != '\0') { 1268 warnx("SIOCS80211NWKEY: too many keys."); 1269 return; 1270 } 1271 } else { 1272 val = get_string(val, NULL, keybuf[0], 1273 &nwkey.i_key[0].i_keylen); 1274 if (val == NULL) 1275 return; 1276 i = 1; 1277 } 1278 } 1279 for (; i < IEEE80211_WEP_NKID; i++) 1280 nwkey.i_key[i].i_keylen = 0; 1281 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1282 if (ioctl(s, SIOCS80211NWKEY, &nwkey) == -1) 1283 warn("SIOCS80211NWKEY"); 1284 } 1285 1286 void 1287 setifpowersave(const char *val, int d) 1288 { 1289 struct ieee80211_power power; 1290 1291 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1292 if (ioctl(s, SIOCG80211POWER, &power) == -1) { 1293 warn("SIOCG80211POWER"); 1294 return; 1295 } 1296 1297 power.i_enabled = d; 1298 if (ioctl(s, SIOCS80211POWER, &power) == -1) 1299 warn("SIOCS80211POWER"); 1300 } 1301 1302 void 1303 setifpowersavesleep(const char *val, int d) 1304 { 1305 struct ieee80211_power power; 1306 1307 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1308 if (ioctl(s, SIOCG80211POWER, &power) == -1) { 1309 warn("SIOCG80211POWER"); 1310 return; 1311 } 1312 1313 power.i_maxsleep = atoi(val); 1314 if (ioctl(s, SIOCS80211POWER, &power) == -1) 1315 warn("SIOCS80211POWER"); 1316 } 1317 1318 void 1319 ieee80211_statistics(void) 1320 { 1321 struct ieee80211_stats stats; 1322 1323 memset(&ifr, 0, sizeof(ifr)); 1324 ifr.ifr_data = (caddr_t)&stats; 1325 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1326 if (ioctl(s, (zflag) ? SIOCG80211ZSTATS : SIOCG80211STATS, 1327 (caddr_t)&ifr) == -1) 1328 return; 1329 #define RX_PRINT(desc, member) printf("\trx " desc ": %u\n", stats.member) 1330 #define TX_PRINT(desc, member) printf("\ttx " desc ": %u\n", stats.member) 1331 1332 RX_PRINT("too short", is_rx_tooshort); 1333 RX_PRINT("bad version", is_rx_badversion); 1334 RX_PRINT("wrong bss", is_rx_wrongbss); 1335 RX_PRINT("duplicate", is_rx_dup); 1336 RX_PRINT("wrong direction", is_rx_wrongdir); 1337 RX_PRINT("multicast echo", is_rx_mcastecho); 1338 RX_PRINT("STA not associated", is_rx_notassoc); 1339 RX_PRINT("WEP-encrypted but WEP not configured", is_rx_nowep); 1340 RX_PRINT("WEP processing failed", is_rx_wepfail); 1341 #if 0 1342 RX_PRINT("single (M)MSDU, both WEP/non-WEP fragments", is_rx_wepmix); 1343 RX_PRINT("non-consecutive fragments", is_rx_fragorder); 1344 #endif 1345 RX_PRINT("decapsulation failed", is_rx_decap); 1346 RX_PRINT("management-type discarded", is_rx_mgtdiscard); 1347 RX_PRINT("control-type discarded", is_rx_ctl); 1348 RX_PRINT("truncated rate set", is_rx_rstoobig); 1349 RX_PRINT("beacon/prresp element missing", is_rx_elem_missing); 1350 RX_PRINT("beacon/prresp element too big", is_rx_elem_toobig); 1351 RX_PRINT("beacon/prresp element too small", is_rx_elem_toosmall); 1352 RX_PRINT("beacon/prresp element unknown", is_rx_elem_unknown); 1353 RX_PRINT("invalid channel", is_rx_badchan); 1354 RX_PRINT("channel mismatch", is_rx_chanmismatch); 1355 RX_PRINT("failed node allocation", is_rx_nodealloc); 1356 RX_PRINT("SSID mismatch", is_rx_ssidmismatch); 1357 RX_PRINT("unsupported authentication algor.", is_rx_auth_unsupported); 1358 RX_PRINT("STA authentication failure", is_rx_auth_fail); 1359 RX_PRINT("association for wrong bss", is_rx_assoc_bss); 1360 RX_PRINT("association without authenication", is_rx_assoc_notauth); 1361 RX_PRINT("association capability mismatch", is_rx_assoc_capmismatch); 1362 RX_PRINT("association without rate match", is_rx_assoc_norate); 1363 RX_PRINT("deauthentication", is_rx_deauth); 1364 RX_PRINT("disassocation", is_rx_disassoc); 1365 RX_PRINT("unknown subtype", is_rx_badsubtype); 1366 RX_PRINT("failed, mbuf unavailable", is_rx_nombuf); 1367 RX_PRINT("failed, bad ICV", is_rx_decryptcrc); 1368 RX_PRINT("discard mgmt frame in ad-hoc demo mode", is_rx_ahdemo_mgt); 1369 RX_PRINT("bad authentication", is_rx_bad_auth); 1370 TX_PRINT("failed, mbuf unavailable", is_tx_nombuf); 1371 TX_PRINT("failed, no node", is_tx_nonode); 1372 TX_PRINT("unknown mgmt frame", is_tx_unknownmgt); 1373 printf("\tactive scans: %u\n", stats.is_scan_active); 1374 printf("\tpassive scans: %u\n", stats.is_scan_passive); 1375 printf("\tnodes timed-out for inactivity: %u\n", 1376 stats.is_node_timeout); 1377 printf("\tcrypto context memory unavailable: %u\n", 1378 stats.is_crypto_nomem); 1379 } 1380 1381 void 1382 ieee80211_status(void) 1383 { 1384 int i, nwkey_verbose; 1385 struct ieee80211_nwid nwid; 1386 struct ieee80211_nwkey nwkey; 1387 struct ieee80211_power power; 1388 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1389 struct ieee80211_bssid bssid; 1390 struct ieee80211chanreq channel; 1391 struct ether_addr ea; 1392 static const u_int8_t zero_macaddr[IEEE80211_ADDR_LEN]; 1393 1394 memset(&ifr, 0, sizeof(ifr)); 1395 ifr.ifr_data = (void *)&nwid; 1396 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1397 if (ioctl(s, SIOCG80211NWID, &ifr) == -1) 1398 return; 1399 if (nwid.i_len > IEEE80211_NWID_LEN) { 1400 warnx("SIOCG80211NWID: wrong length of nwid (%d)", nwid.i_len); 1401 return; 1402 } 1403 printf("\tssid "); 1404 print_string(nwid.i_nwid, nwid.i_len); 1405 memset(&nwkey, 0, sizeof(nwkey)); 1406 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1407 /* show nwkey only when WEP is enabled */ 1408 if (ioctl(s, SIOCG80211NWKEY, &nwkey) == -1 || 1409 nwkey.i_wepon == 0) { 1410 printf("\n"); 1411 goto skip_wep; 1412 } 1413 1414 printf(" nwkey "); 1415 /* try to retrieve WEP keys */ 1416 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1417 nwkey.i_key[i].i_keydat = keybuf[i]; 1418 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1419 } 1420 if (ioctl(s, SIOCG80211NWKEY, &nwkey) == -1) { 1421 printf("*****"); 1422 } else { 1423 nwkey_verbose = 0; 1424 /* check to see non default key or multiple keys defined */ 1425 if (nwkey.i_defkid != 1) { 1426 nwkey_verbose = 1; 1427 } else { 1428 for (i = 1; i < IEEE80211_WEP_NKID; i++) { 1429 if (nwkey.i_key[i].i_keylen != 0) { 1430 nwkey_verbose = 1; 1431 break; 1432 } 1433 } 1434 } 1435 /* check extra ambiguity with keywords */ 1436 if (!nwkey_verbose) { 1437 if (nwkey.i_key[0].i_keylen >= 2 && 1438 isdigit(nwkey.i_key[0].i_keydat[0]) && 1439 nwkey.i_key[0].i_keydat[1] == ':') 1440 nwkey_verbose = 1; 1441 else if (nwkey.i_key[0].i_keylen >= 7 && 1442 strncasecmp("persist", nwkey.i_key[0].i_keydat, 7) 1443 == 0) 1444 nwkey_verbose = 1; 1445 } 1446 if (nwkey_verbose) 1447 printf("%d:", nwkey.i_defkid); 1448 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1449 if (i > 0) 1450 printf(","); 1451 if (nwkey.i_key[i].i_keylen < 0) 1452 printf("persist"); 1453 else 1454 print_string(nwkey.i_key[i].i_keydat, 1455 nwkey.i_key[i].i_keylen); 1456 if (!nwkey_verbose) 1457 break; 1458 } 1459 } 1460 printf("\n"); 1461 1462 skip_wep: 1463 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1464 if (ioctl(s, SIOCG80211POWER, &power) == -1) 1465 goto skip_power; 1466 printf("\tpowersave "); 1467 if (power.i_enabled) 1468 printf("on (%dms sleep)", power.i_maxsleep); 1469 else 1470 printf("off"); 1471 printf("\n"); 1472 1473 skip_power: 1474 (void)strncpy(bssid.i_name, name, sizeof(bssid.i_name)); 1475 if (ioctl(s, SIOCG80211BSSID, &bssid) == -1) 1476 return; 1477 (void)strncpy(channel.i_name, name, sizeof(channel.i_name)); 1478 if (ioctl(s, SIOCG80211CHANNEL, &channel) == -1) 1479 return; 1480 if (memcmp(bssid.i_bssid, zero_macaddr, IEEE80211_ADDR_LEN) == 0) { 1481 if (channel.i_channel != (u_int16_t)-1) 1482 printf("\tchan %d\n", channel.i_channel); 1483 } else { 1484 memcpy(ea.ether_addr_octet, bssid.i_bssid, 1485 sizeof(ea.ether_addr_octet)); 1486 printf("\tbssid %s", ether_ntoa(&ea)); 1487 if (channel.i_channel != IEEE80211_CHAN_ANY) 1488 printf(" chan %d", channel.i_channel); 1489 printf("\n"); 1490 } 1491 } 1492 1493 static void 1494 media_error(int type, const char *val, const char *opt) 1495 { 1496 errx(EXIT_FAILURE, "unknown %s media %s: %s", 1497 get_media_type_string(type), opt, val); 1498 } 1499 1500 void 1501 init_current_media(void) 1502 { 1503 struct ifmediareq ifmr; 1504 1505 /* 1506 * If we have not yet done so, grab the currently-selected 1507 * media. 1508 */ 1509 if ((actions & (A_MEDIA|A_MEDIAOPT|A_MEDIAMODE)) == 0) { 1510 (void) memset(&ifmr, 0, sizeof(ifmr)); 1511 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1512 1513 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1514 /* 1515 * If we get E2BIG, the kernel is telling us 1516 * that there are more, so we can ignore it. 1517 */ 1518 if (errno != E2BIG) 1519 err(EXIT_FAILURE, "SGIOCGIFMEDIA"); 1520 } 1521 1522 media_current = ifmr.ifm_current; 1523 } 1524 1525 /* Sanity. */ 1526 if (IFM_TYPE(media_current) == 0) 1527 errx(EXIT_FAILURE, "%s: no link type?", name); 1528 } 1529 1530 void 1531 process_media_commands(void) 1532 { 1533 1534 if ((actions & (A_MEDIA|A_MEDIAOPT|A_MEDIAMODE)) == 0) { 1535 /* Nothing to do. */ 1536 return; 1537 } 1538 1539 /* 1540 * Media already set up, and commands sanity-checked. Set/clear 1541 * any options, and we're ready to go. 1542 */ 1543 media_current |= mediaopt_set; 1544 media_current &= ~mediaopt_clear; 1545 1546 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1547 ifr.ifr_media = media_current; 1548 1549 if (ioctl(s, SIOCSIFMEDIA, &ifr) == -1) 1550 err(EXIT_FAILURE, "SIOCSIFMEDIA"); 1551 } 1552 1553 void 1554 setmedia(const char *val, int d) 1555 { 1556 int type, subtype, inst; 1557 1558 init_current_media(); 1559 1560 /* Only one media command may be given. */ 1561 if (actions & A_MEDIA) 1562 errx(EXIT_FAILURE, "only one `media' command may be issued"); 1563 1564 /* Must not come after mode commands */ 1565 if (actions & A_MEDIAMODE) 1566 errx(EXIT_FAILURE, 1567 "may not issue `media' after `mode' commands"); 1568 1569 /* Must not come after mediaopt commands */ 1570 if (actions & A_MEDIAOPT) 1571 errx(EXIT_FAILURE, 1572 "may not issue `media' after `mediaopt' commands"); 1573 1574 /* 1575 * No need to check if `instance' has been issued; setmediainst() 1576 * craps out if `media' has not been specified. 1577 */ 1578 1579 type = IFM_TYPE(media_current); 1580 inst = IFM_INST(media_current); 1581 1582 /* Look up the subtype. */ 1583 subtype = get_media_subtype(type, val); 1584 if (subtype == -1) 1585 media_error(type, val, "subtype"); 1586 1587 /* Build the new current media word. */ 1588 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1589 1590 /* Media will be set after other processing is complete. */ 1591 } 1592 1593 void 1594 setmediaopt(const char *val, int d) 1595 { 1596 char *invalid; 1597 1598 init_current_media(); 1599 1600 /* Can only issue `mediaopt' once. */ 1601 if (actions & A_MEDIAOPTSET) 1602 errx(EXIT_FAILURE, "only one `mediaopt' command may be issued"); 1603 1604 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1605 if (actions & A_MEDIAINST) 1606 errx(EXIT_FAILURE, "may not issue `mediaopt' after `instance'"); 1607 1608 mediaopt_set = get_media_options(media_current, val, &invalid); 1609 if (mediaopt_set == -1) 1610 media_error(media_current, invalid, "option"); 1611 1612 /* Media will be set after other processing is complete. */ 1613 } 1614 1615 void 1616 unsetmediaopt(const char *val, int d) 1617 { 1618 char *invalid; 1619 1620 init_current_media(); 1621 1622 /* Can only issue `-mediaopt' once. */ 1623 if (actions & A_MEDIAOPTCLR) 1624 errx(EXIT_FAILURE, 1625 "only one `-mediaopt' command may be issued"); 1626 1627 /* May not issue `media' and `-mediaopt'. */ 1628 if (actions & A_MEDIA) 1629 errx(EXIT_FAILURE, 1630 "may not issue both `media' and `-mediaopt'"); 1631 1632 /* 1633 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1634 * implicitly checks for A_MEDIAINST. 1635 */ 1636 1637 mediaopt_clear = get_media_options(media_current, val, &invalid); 1638 if (mediaopt_clear == -1) 1639 media_error(media_current, invalid, "option"); 1640 1641 /* Media will be set after other processing is complete. */ 1642 } 1643 1644 void 1645 setmediainst(const char *val, int d) 1646 { 1647 int type, subtype, options, inst; 1648 1649 init_current_media(); 1650 1651 /* Can only issue `instance' once. */ 1652 if (actions & A_MEDIAINST) 1653 errx(EXIT_FAILURE, "only one `instance' command may be issued"); 1654 1655 /* Must have already specified `media' */ 1656 if ((actions & A_MEDIA) == 0) 1657 errx(EXIT_FAILURE, "must specify `media' before `instance'"); 1658 1659 type = IFM_TYPE(media_current); 1660 subtype = IFM_SUBTYPE(media_current); 1661 options = IFM_OPTIONS(media_current); 1662 1663 inst = atoi(val); 1664 if (inst < 0 || inst > IFM_INST_MAX) 1665 errx(EXIT_FAILURE, "invalid media instance: %s", val); 1666 1667 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1668 1669 /* Media will be set after other processing is complete. */ 1670 } 1671 1672 void 1673 setmediamode(const char *val, int d) 1674 { 1675 int type, subtype, options, inst, mode; 1676 1677 init_current_media(); 1678 1679 /* Can only issue `mode' once. */ 1680 if (actions & A_MEDIAMODE) 1681 errx(EXIT_FAILURE, "only one `mode' command may be issued"); 1682 1683 type = IFM_TYPE(media_current); 1684 subtype = IFM_SUBTYPE(media_current); 1685 options = IFM_OPTIONS(media_current); 1686 inst = IFM_INST(media_current); 1687 1688 mode = get_media_mode(type, val); 1689 if (mode == -1) 1690 media_error(type, val, "mode"); 1691 1692 media_current = IFM_MAKEWORD(type, subtype, options, inst) | mode; 1693 1694 /* Media will be set after other processing is complete. */ 1695 } 1696 1697 void 1698 print_media_word(int ifmw, const char *opt_sep) 1699 { 1700 const char *str; 1701 1702 printf("%s", get_media_subtype_string(ifmw)); 1703 1704 /* Find mode. */ 1705 if (IFM_MODE(ifmw) != 0) { 1706 str = get_media_mode_string(ifmw); 1707 if (str != NULL) 1708 printf(" mode %s", str); 1709 } 1710 1711 /* Find options. */ 1712 for (; (str = get_media_option_string(&ifmw)) != NULL; opt_sep = ",") 1713 printf("%s%s", opt_sep, str); 1714 1715 if (IFM_INST(ifmw) != 0) 1716 printf(" instance %d", IFM_INST(ifmw)); 1717 } 1718 1719 int 1720 carrier(void) 1721 { 1722 struct ifmediareq ifmr; 1723 1724 (void) memset(&ifmr, 0, sizeof(ifmr)); 1725 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1726 1727 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1728 /* 1729 * Interface doesn't support SIOC{G,S}IFMEDIA; 1730 * assume ok. 1731 */ 1732 return 0; 1733 } 1734 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1735 /* 1736 * Interface doesn't report media-valid status. 1737 * assume ok. 1738 */ 1739 return 0; 1740 } 1741 /* otherwise, return ok for active, not-ok if not active. */ 1742 return !(ifmr.ifm_status & IFM_ACTIVE); 1743 } 1744 1745 1746 #define IFFBITS \ 1747 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 1748 \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 1749 1750 #define IFCAPBITS \ 1751 "\020\1IP4CSUM\2TCP4CSUM\3UDP4CSUM\4TCP6CSUM\5UDP6CSUM\6TCP4CSUM_Rx\7UDP4CSUM_Rx\10TSO4" 1752 1753 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1754 1755 const struct ifmedia_status_description ifm_status_descriptions[] = 1756 IFM_STATUS_DESCRIPTIONS; 1757 1758 /* 1759 * Print the status of the interface. If an address family was 1760 * specified, show it and it only; otherwise, show them all. 1761 */ 1762 void 1763 status(const struct sockaddr_dl *sdl) 1764 { 1765 struct afswtch *p = afp; 1766 struct ifmediareq ifmr; 1767 struct ifdatareq ifdr; 1768 int *media_list, i; 1769 char hbuf[NI_MAXHOST]; 1770 char fbuf[BUFSIZ]; 1771 1772 (void)snprintb(fbuf, sizeof(fbuf), IFFBITS, flags); 1773 printf("%s: flags=%s", name, &fbuf[2]); 1774 if (metric) 1775 printf(" metric %lu", metric); 1776 if (mtu) 1777 printf(" mtu %lu", mtu); 1778 printf("\n"); 1779 1780 if (g_ifcr.ifcr_capabilities) { 1781 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 1782 g_ifcr.ifcr_capabilities); 1783 printf("\tcapabilities=%s\n", &fbuf[2]); 1784 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 1785 g_ifcr.ifcr_capenable); 1786 printf("\tenabled=%s\n", &fbuf[2]); 1787 } 1788 1789 ieee80211_status(); 1790 vlan_status(); 1791 tunnel_status(); 1792 agr_status(); 1793 1794 if (sdl != NULL && 1795 getnameinfo((const struct sockaddr *)sdl, sdl->sdl_len, 1796 hbuf, sizeof(hbuf), NULL, 0, NI_NUMERICHOST) == 0 && 1797 hbuf[0] != '\0') 1798 printf("\taddress: %s\n", hbuf); 1799 1800 (void) memset(&ifmr, 0, sizeof(ifmr)); 1801 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1802 1803 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1804 /* 1805 * Interface doesn't support SIOC{G,S}IFMEDIA. 1806 */ 1807 goto iface_stats; 1808 } 1809 1810 if (ifmr.ifm_count == 0) { 1811 warnx("%s: no media types?", name); 1812 goto iface_stats; 1813 } 1814 1815 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1816 if (media_list == NULL) 1817 err(EXIT_FAILURE, "malloc"); 1818 ifmr.ifm_ulist = media_list; 1819 1820 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) 1821 err(EXIT_FAILURE, "SIOCGIFMEDIA"); 1822 1823 printf("\tmedia: %s ", get_media_type_string(ifmr.ifm_current)); 1824 print_media_word(ifmr.ifm_current, " "); 1825 if (ifmr.ifm_active != ifmr.ifm_current) { 1826 printf(" ("); 1827 print_media_word(ifmr.ifm_active, " "); 1828 printf(")"); 1829 } 1830 printf("\n"); 1831 1832 if (ifmr.ifm_status & IFM_STATUS_VALID) { 1833 const struct ifmedia_status_description *ifms; 1834 int bitno, found = 0; 1835 1836 printf("\tstatus: "); 1837 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 1838 for (ifms = ifm_status_descriptions; 1839 ifms->ifms_valid != 0; ifms++) { 1840 if (ifms->ifms_type != 1841 IFM_TYPE(ifmr.ifm_current) || 1842 ifms->ifms_valid != 1843 ifm_status_valid_list[bitno]) 1844 continue; 1845 printf("%s%s", found ? ", " : "", 1846 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 1847 found = 1; 1848 1849 /* 1850 * For each valid indicator bit, there's 1851 * only one entry for each media type, so 1852 * terminate the inner loop now. 1853 */ 1854 break; 1855 } 1856 } 1857 1858 if (found == 0) 1859 printf("unknown"); 1860 printf("\n"); 1861 } 1862 1863 if (mflag) { 1864 int type, printed_type; 1865 1866 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 1867 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 1868 if (IFM_TYPE(media_list[i]) != type) 1869 continue; 1870 if (printed_type == 0) { 1871 printf("\tsupported %s media:\n", 1872 get_media_type_string(type)); 1873 printed_type = 1; 1874 } 1875 printf("\t\tmedia "); 1876 print_media_word(media_list[i], " mediaopt "); 1877 printf("\n"); 1878 } 1879 } 1880 } 1881 1882 free(media_list); 1883 1884 iface_stats: 1885 if (!vflag && !zflag) 1886 goto proto_status; 1887 1888 (void) strncpy(ifdr.ifdr_name, name, sizeof(ifdr.ifdr_name)); 1889 1890 if (ioctl(s, zflag ? SIOCZIFDATA:SIOCGIFDATA, &ifdr) == -1) { 1891 err(EXIT_FAILURE, zflag ? "SIOCZIFDATA" : "SIOCGIFDATA"); 1892 } else { 1893 struct if_data * const ifi = &ifdr.ifdr_data; 1894 #define PLURAL(n) ((n) == 1 ? "" : "s") 1895 printf("\tinput: %llu packet%s, %llu byte%s", 1896 (unsigned long long) ifi->ifi_ipackets, 1897 PLURAL(ifi->ifi_ipackets), 1898 (unsigned long long) ifi->ifi_ibytes, 1899 PLURAL(ifi->ifi_ibytes)); 1900 if (ifi->ifi_imcasts) 1901 printf(", %llu multicast%s", 1902 (unsigned long long) ifi->ifi_imcasts, 1903 PLURAL(ifi->ifi_imcasts)); 1904 if (ifi->ifi_ierrors) 1905 printf(", %llu error%s", 1906 (unsigned long long) ifi->ifi_ierrors, 1907 PLURAL(ifi->ifi_ierrors)); 1908 if (ifi->ifi_iqdrops) 1909 printf(", %llu queue drop%s", 1910 (unsigned long long) ifi->ifi_iqdrops, 1911 PLURAL(ifi->ifi_iqdrops)); 1912 if (ifi->ifi_noproto) 1913 printf(", %llu unknown protocol", 1914 (unsigned long long) ifi->ifi_noproto); 1915 printf("\n\toutput: %llu packet%s, %llu byte%s", 1916 (unsigned long long) ifi->ifi_opackets, 1917 PLURAL(ifi->ifi_opackets), 1918 (unsigned long long) ifi->ifi_obytes, 1919 PLURAL(ifi->ifi_obytes)); 1920 if (ifi->ifi_omcasts) 1921 printf(", %llu multicast%s", 1922 (unsigned long long) ifi->ifi_omcasts, 1923 PLURAL(ifi->ifi_omcasts)); 1924 if (ifi->ifi_oerrors) 1925 printf(", %llu error%s", 1926 (unsigned long long) ifi->ifi_oerrors, 1927 PLURAL(ifi->ifi_oerrors)); 1928 if (ifi->ifi_collisions) 1929 printf(", %llu collision%s", 1930 (unsigned long long) ifi->ifi_collisions, 1931 PLURAL(ifi->ifi_collisions)); 1932 printf("\n"); 1933 #undef PLURAL 1934 } 1935 1936 ieee80211_statistics(); 1937 1938 proto_status: 1939 if ((p = afp) != NULL) { 1940 (*p->af_status)(1); 1941 } else for (p = afs; p->af_name; p++) { 1942 ifr.ifr_addr.sa_family = p->af_af; 1943 (*p->af_status)(0); 1944 } 1945 } 1946 1947 void 1948 in_alias(struct ifreq *creq) 1949 { 1950 struct sockaddr_in *iasin; 1951 int alias; 1952 1953 if (lflag) 1954 return; 1955 1956 alias = 1; 1957 1958 /* Get the non-alias address for this interface. */ 1959 getsock(AF_INET); 1960 if (s < 0) { 1961 if (errno == EPROTONOSUPPORT) 1962 return; 1963 err(EXIT_FAILURE, "socket"); 1964 } 1965 (void) memset(&ifr, 0, sizeof(ifr)); 1966 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1967 if (ioctl(s, SIOCGIFADDR, &ifr) == -1) { 1968 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1969 return; 1970 } else 1971 warn("SIOCGIFADDR"); 1972 } 1973 /* If creq and ifr are the same address, this is not an alias. */ 1974 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 1975 sizeof(creq->ifr_addr)) == 0) 1976 alias = 0; 1977 (void) memset(&in_addreq, 0, sizeof(in_addreq)); 1978 (void) strncpy(in_addreq.ifra_name, name, sizeof(in_addreq.ifra_name)); 1979 memcpy(&in_addreq.ifra_addr, &creq->ifr_addr, 1980 sizeof(in_addreq.ifra_addr)); 1981 if (ioctl(s, SIOCGIFALIAS, &in_addreq) == -1) { 1982 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1983 return; 1984 } else 1985 warn("SIOCGIFALIAS"); 1986 } 1987 1988 iasin = &in_addreq.ifra_addr; 1989 printf("\tinet %s%s", alias ? "alias " : "", inet_ntoa(iasin->sin_addr)); 1990 1991 if (flags & IFF_POINTOPOINT) { 1992 iasin = &in_addreq.ifra_dstaddr; 1993 printf(" -> %s", inet_ntoa(iasin->sin_addr)); 1994 } 1995 1996 iasin = &in_addreq.ifra_mask; 1997 printf(" netmask 0x%x", ntohl(iasin->sin_addr.s_addr)); 1998 1999 if (flags & IFF_BROADCAST) { 2000 iasin = &in_addreq.ifra_broadaddr; 2001 printf(" broadcast %s", inet_ntoa(iasin->sin_addr)); 2002 } 2003 printf("\n"); 2004 } 2005 2006 void 2007 in_status(int force) 2008 { 2009 struct ifaddrs *ifap, *ifa; 2010 struct ifreq isifr; 2011 2012 if (getifaddrs(&ifap) != 0) 2013 err(EXIT_FAILURE, "getifaddrs"); 2014 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2015 if (strcmp(name, ifa->ifa_name) != 0) 2016 continue; 2017 if (ifa->ifa_addr->sa_family != AF_INET) 2018 continue; 2019 if (sizeof(isifr.ifr_addr) < ifa->ifa_addr->sa_len) 2020 continue; 2021 2022 memset(&isifr, 0, sizeof(isifr)); 2023 strncpy(isifr.ifr_name, ifa->ifa_name, sizeof(isifr.ifr_name)); 2024 memcpy(&isifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2025 in_alias(&isifr); 2026 } 2027 freeifaddrs(ifap); 2028 } 2029 2030 void 2031 setifprefixlen(const char *addr, int d) 2032 { 2033 if (*afp->af_getprefix) 2034 (*afp->af_getprefix)(addr, MASK); 2035 explicit_prefix = 1; 2036 } 2037 2038 #ifdef INET6 2039 void 2040 in6_fillscopeid(struct sockaddr_in6 *sin6) 2041 { 2042 #if defined(__KAME__) && defined(KAME_SCOPEID) 2043 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 2044 sin6->sin6_scope_id = 2045 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 2046 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 2047 } 2048 #endif 2049 } 2050 2051 /* XXX not really an alias */ 2052 void 2053 in6_alias(struct in6_ifreq *creq) 2054 { 2055 struct sockaddr_in6 *sin6; 2056 char hbuf[NI_MAXHOST]; 2057 u_int32_t scopeid; 2058 const int niflag = NI_NUMERICHOST; 2059 2060 /* Get the non-alias address for this interface. */ 2061 getsock(AF_INET6); 2062 if (s < 0) { 2063 if (errno == EPROTONOSUPPORT) 2064 return; 2065 err(EXIT_FAILURE, "socket"); 2066 } 2067 2068 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 2069 2070 in6_fillscopeid(sin6); 2071 scopeid = sin6->sin6_scope_id; 2072 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2073 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2074 strlcpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2075 printf("\tinet6 %s", hbuf); 2076 2077 if (flags & IFF_POINTOPOINT) { 2078 (void) memset(&ifr6, 0, sizeof(ifr6)); 2079 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2080 ifr6.ifr_addr = creq->ifr_addr; 2081 if (ioctl(s, SIOCGIFDSTADDR_IN6, &ifr6) == -1) { 2082 if (errno != EADDRNOTAVAIL) 2083 warn("SIOCGIFDSTADDR_IN6"); 2084 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 2085 ifr6.ifr_addr.sin6_family = AF_INET6; 2086 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 2087 } 2088 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2089 in6_fillscopeid(sin6); 2090 hbuf[0] = '\0'; 2091 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2092 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2093 strlcpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2094 printf(" -> %s", hbuf); 2095 } 2096 2097 (void) memset(&ifr6, 0, sizeof(ifr6)); 2098 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2099 ifr6.ifr_addr = creq->ifr_addr; 2100 if (ioctl(s, SIOCGIFNETMASK_IN6, &ifr6) == -1) { 2101 if (errno != EADDRNOTAVAIL) 2102 warn("SIOCGIFNETMASK_IN6"); 2103 } else { 2104 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2105 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 2106 sizeof(struct in6_addr))); 2107 } 2108 2109 (void) memset(&ifr6, 0, sizeof(ifr6)); 2110 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2111 ifr6.ifr_addr = creq->ifr_addr; 2112 if (ioctl(s, SIOCGIFAFLAG_IN6, &ifr6) == -1) { 2113 if (errno != EADDRNOTAVAIL) 2114 warn("SIOCGIFAFLAG_IN6"); 2115 } else { 2116 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 2117 printf(" anycast"); 2118 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 2119 printf(" tentative"); 2120 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 2121 printf(" duplicated"); 2122 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 2123 printf(" detached"); 2124 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DEPRECATED) 2125 printf(" deprecated"); 2126 } 2127 2128 if (scopeid) 2129 printf(" scopeid 0x%x", scopeid); 2130 2131 if (Lflag) { 2132 struct in6_addrlifetime *lifetime; 2133 (void) memset(&ifr6, 0, sizeof(ifr6)); 2134 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2135 ifr6.ifr_addr = creq->ifr_addr; 2136 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 2137 if (ioctl(s, SIOCGIFALIFETIME_IN6, &ifr6) == -1) { 2138 if (errno != EADDRNOTAVAIL) 2139 warn("SIOCGIFALIFETIME_IN6"); 2140 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 2141 time_t t = time(NULL); 2142 printf(" pltime "); 2143 if (lifetime->ia6t_preferred) { 2144 printf("%s", lifetime->ia6t_preferred < t 2145 ? "0" 2146 : sec2str(lifetime->ia6t_preferred - t)); 2147 } else 2148 printf("infty"); 2149 2150 printf(" vltime "); 2151 if (lifetime->ia6t_expire) { 2152 printf("%s", lifetime->ia6t_expire < t 2153 ? "0" 2154 : sec2str(lifetime->ia6t_expire - t)); 2155 } else 2156 printf("infty"); 2157 } 2158 } 2159 2160 printf("\n"); 2161 } 2162 2163 void 2164 in6_status(int force) 2165 { 2166 struct ifaddrs *ifap, *ifa; 2167 struct in6_ifreq isifr; 2168 2169 if (getifaddrs(&ifap) != 0) 2170 err(EXIT_FAILURE, "getifaddrs"); 2171 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2172 if (strcmp(name, ifa->ifa_name) != 0) 2173 continue; 2174 if (ifa->ifa_addr->sa_family != AF_INET6) 2175 continue; 2176 if (sizeof(isifr.ifr_addr) < ifa->ifa_addr->sa_len) 2177 continue; 2178 2179 memset(&isifr, 0, sizeof(isifr)); 2180 strncpy(isifr.ifr_name, ifa->ifa_name, sizeof(isifr.ifr_name)); 2181 memcpy(&isifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2182 in6_alias(&isifr); 2183 } 2184 freeifaddrs(ifap); 2185 } 2186 #endif /*INET6*/ 2187 2188 #ifndef INET_ONLY 2189 2190 void 2191 at_status(int force) 2192 { 2193 struct sockaddr_at *sat, null_sat; 2194 struct netrange *nr; 2195 2196 getsock(AF_APPLETALK); 2197 if (s < 0) { 2198 if (errno == EPROTONOSUPPORT) 2199 return; 2200 err(EXIT_FAILURE, "socket"); 2201 } 2202 (void) memset(&ifr, 0, sizeof(ifr)); 2203 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2204 if (ioctl(s, SIOCGIFADDR, &ifr) == -1) { 2205 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2206 if (!force) 2207 return; 2208 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2209 } else 2210 warn("SIOCGIFADDR"); 2211 } 2212 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2213 sat = (struct sockaddr_at *)&ifr.ifr_addr; 2214 2215 (void) memset(&null_sat, 0, sizeof(null_sat)); 2216 2217 nr = (struct netrange *) &sat->sat_zero; 2218 printf("\tatalk %d.%d range %d-%d phase %d", 2219 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2220 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 2221 if (flags & IFF_POINTOPOINT) { 2222 if (ioctl(s, SIOCGIFDSTADDR, &ifr) == -1) { 2223 if (errno == EADDRNOTAVAIL) 2224 (void) memset(&ifr.ifr_addr, 0, 2225 sizeof(ifr.ifr_addr)); 2226 else 2227 warn("SIOCGIFDSTADDR"); 2228 } 2229 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2230 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 2231 if (!sat) 2232 sat = &null_sat; 2233 printf("--> %d.%d", 2234 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 2235 } 2236 if (flags & IFF_BROADCAST) { 2237 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 2238 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 2239 if (sat) 2240 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 2241 sat->sat_addr.s_node); 2242 } 2243 printf("\n"); 2244 } 2245 2246 void 2247 xns_status(int force) 2248 { 2249 struct sockaddr_ns *sns; 2250 2251 getsock(AF_NS); 2252 if (s < 0) { 2253 if (errno == EPROTONOSUPPORT) 2254 return; 2255 err(EXIT_FAILURE, "socket"); 2256 } 2257 (void) memset(&ifr, 0, sizeof(ifr)); 2258 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2259 if (ioctl(s, SIOCGIFADDR, &ifr) == -1) { 2260 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2261 if (!force) 2262 return; 2263 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2264 } else 2265 warn("SIOCGIFADDR"); 2266 } 2267 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2268 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 2269 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 2270 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 2271 if (ioctl(s, SIOCGIFDSTADDR, &ifr) == -1) { 2272 if (errno == EADDRNOTAVAIL) 2273 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2274 else 2275 warn("SIOCGIFDSTADDR"); 2276 } 2277 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2278 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 2279 printf("--> %s ", ns_ntoa(sns->sns_addr)); 2280 } 2281 printf("\n"); 2282 } 2283 2284 void 2285 iso_status(int force) 2286 { 2287 struct sockaddr_iso *siso; 2288 struct iso_ifreq isoifr; 2289 2290 getsock(AF_ISO); 2291 if (s < 0) { 2292 if (errno == EPROTONOSUPPORT) 2293 return; 2294 err(EXIT_FAILURE, "socket"); 2295 } 2296 (void) memset(&isoifr, 0, sizeof(isoifr)); 2297 (void) strncpy(isoifr.ifr_name, name, sizeof(isoifr.ifr_name)); 2298 if (ioctl(s, SIOCGIFADDR_ISO, &isoifr) == -1) { 2299 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2300 if (!force) 2301 return; 2302 (void) memset(&isoifr.ifr_Addr, 0, 2303 sizeof(isoifr.ifr_Addr)); 2304 } else 2305 warn("SIOCGIFADDR_ISO"); 2306 } 2307 (void) strncpy(isoifr.ifr_name, name, sizeof isoifr.ifr_name); 2308 siso = &isoifr.ifr_Addr; 2309 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 2310 if (ioctl(s, SIOCGIFNETMASK_ISO, &isoifr) == -1) { 2311 if (errno == EADDRNOTAVAIL) 2312 memset(&isoifr.ifr_Addr, 0, sizeof(isoifr.ifr_Addr)); 2313 else 2314 warn("SIOCGIFNETMASK_ISO"); 2315 } else { 2316 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 2317 siso->siso_addr.isoa_len = siso->siso_len 2318 - offsetof(struct sockaddr_iso, siso_addr); 2319 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 2320 } 2321 if (flags & IFF_POINTOPOINT) { 2322 if (ioctl(s, SIOCGIFDSTADDR_ISO, &isoifr) == -1) { 2323 if (errno == EADDRNOTAVAIL) 2324 memset(&isoifr.ifr_Addr, 0, 2325 sizeof(isoifr.ifr_Addr)); 2326 else 2327 warn("SIOCGIFDSTADDR_ISO"); 2328 } 2329 (void) strncpy(isoifr.ifr_name, name, sizeof (isoifr.ifr_name)); 2330 siso = &isoifr.ifr_Addr; 2331 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 2332 } 2333 printf("\n"); 2334 } 2335 2336 #endif /* INET_ONLY */ 2337 2338 #define SIN(x) ((struct sockaddr_in *) &(x)) 2339 struct sockaddr_in *sintab[] = { 2340 SIN(ridreq.ifr_addr), SIN(in_addreq.ifra_addr), 2341 SIN(in_addreq.ifra_mask), SIN(in_addreq.ifra_broadaddr)}; 2342 2343 void 2344 in_getaddr(const char *str, int which) 2345 { 2346 struct sockaddr_in *gasin = sintab[which]; 2347 struct hostent *hp; 2348 struct netent *np; 2349 2350 gasin->sin_len = sizeof(*gasin); 2351 if (which != MASK) 2352 gasin->sin_family = AF_INET; 2353 2354 if (which == ADDR) { 2355 char *p = NULL; 2356 if ((p = strrchr(str, '/')) != NULL) { 2357 *p = '\0'; 2358 in_getprefix(p + 1, MASK); 2359 } 2360 } 2361 2362 if (inet_aton(str, &gasin->sin_addr) == 0) { 2363 if ((hp = gethostbyname(str)) != NULL) 2364 (void) memcpy(&gasin->sin_addr, hp->h_addr, hp->h_length); 2365 else if ((np = getnetbyname(str)) != NULL) 2366 gasin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 2367 else 2368 errx(EXIT_FAILURE, "%s: bad value", str); 2369 } 2370 } 2371 2372 void 2373 in_getprefix(const char *plen, int which) 2374 { 2375 struct sockaddr_in *igsin = sintab[which]; 2376 u_char *cp; 2377 int len = strtol(plen, (char **)NULL, 10); 2378 2379 if ((len < 0) || (len > 32)) 2380 errx(EXIT_FAILURE, "%s: bad value", plen); 2381 igsin->sin_len = sizeof(*igsin); 2382 if (which != MASK) 2383 igsin->sin_family = AF_INET; 2384 if ((len == 0) || (len == 32)) { 2385 memset(&igsin->sin_addr, 0xff, sizeof(struct in_addr)); 2386 return; 2387 } 2388 memset((void *)&igsin->sin_addr, 0x00, sizeof(igsin->sin_addr)); 2389 for (cp = (u_char *)&igsin->sin_addr; len > 7; len -= 8) 2390 *cp++ = 0xff; 2391 if (len) 2392 *cp = 0xff << (8 - len); 2393 } 2394 2395 #ifdef INET6 2396 #define SIN6(x) ((struct sockaddr_in6 *) &(x)) 2397 struct sockaddr_in6 *sin6tab[] = { 2398 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 2399 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 2400 2401 void 2402 in6_getaddr(const char *str, int which) 2403 { 2404 #if defined(__KAME__) && defined(KAME_SCOPEID) 2405 struct sockaddr_in6 *sin6 = sin6tab[which]; 2406 struct addrinfo hints, *res; 2407 int error; 2408 char *slash = NULL; 2409 2410 if (which == ADDR) { 2411 if ((slash = strrchr(str, '/')) != NULL) 2412 *slash = '\0'; 2413 } 2414 2415 memset(&hints, 0, sizeof(hints)); 2416 hints.ai_family = AF_INET6; 2417 hints.ai_socktype = SOCK_DGRAM; 2418 #if 0 /* in_getaddr() allows FQDN */ 2419 hints.ai_flags = AI_NUMERICHOST; 2420 #endif 2421 error = getaddrinfo(str, "0", &hints, &res); 2422 if (error && slash) { 2423 /* try again treating the '/' as part of the name */ 2424 *slash = '/'; 2425 slash = NULL; 2426 error = getaddrinfo(str, "0", &hints, &res); 2427 } 2428 if (error) 2429 errx(EXIT_FAILURE, "%s: %s", str, gai_strerror(error)); 2430 if (res->ai_next) 2431 errx(EXIT_FAILURE, "%s: resolved to multiple addresses", str); 2432 if (res->ai_addrlen != sizeof(struct sockaddr_in6)) 2433 errx(EXIT_FAILURE, "%s: bad value", str); 2434 memcpy(sin6, res->ai_addr, res->ai_addrlen); 2435 freeaddrinfo(res); 2436 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) { 2437 *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = 2438 htons(sin6->sin6_scope_id); 2439 sin6->sin6_scope_id = 0; 2440 } 2441 if (slash) { 2442 in6_getprefix(slash + 1, MASK); 2443 explicit_prefix = 1; 2444 } 2445 #else 2446 struct sockaddr_in6 *gasin = sin6tab[which]; 2447 2448 gasin->sin6_len = sizeof(*gasin); 2449 if (which != MASK) 2450 gasin->sin6_family = AF_INET6; 2451 2452 if (which == ADDR) { 2453 char *p = NULL; 2454 if((p = strrchr(str, '/')) != NULL) { 2455 *p = '\0'; 2456 in6_getprefix(p + 1, MASK); 2457 explicit_prefix = 1; 2458 } 2459 } 2460 2461 if (inet_pton(AF_INET6, str, &gasin->sin6_addr) != 1) 2462 errx(EXIT_FAILURE, "%s: bad value", str); 2463 #endif 2464 } 2465 2466 void 2467 in6_getprefix(const char *plen, int which) 2468 { 2469 struct sockaddr_in6 *gpsin = sin6tab[which]; 2470 u_char *cp; 2471 int len = strtol(plen, (char **)NULL, 10); 2472 2473 if ((len < 0) || (len > 128)) 2474 errx(EXIT_FAILURE, "%s: bad value", plen); 2475 gpsin->sin6_len = sizeof(*gpsin); 2476 if (which != MASK) 2477 gpsin->sin6_family = AF_INET6; 2478 if ((len == 0) || (len == 128)) { 2479 memset(&gpsin->sin6_addr, 0xff, sizeof(struct in6_addr)); 2480 return; 2481 } 2482 memset((void *)&gpsin->sin6_addr, 0x00, sizeof(gpsin->sin6_addr)); 2483 for (cp = (u_char *)&gpsin->sin6_addr; len > 7; len -= 8) 2484 *cp++ = 0xff; 2485 if (len) 2486 *cp = 0xff << (8 - len); 2487 } 2488 2489 int 2490 prefix(void *val, int size) 2491 { 2492 u_char *pname = (u_char *)val; 2493 int byte, bit, plen = 0; 2494 2495 for (byte = 0; byte < size; byte++, plen += 8) 2496 if (pname[byte] != 0xff) 2497 break; 2498 if (byte == size) 2499 return (plen); 2500 for (bit = 7; bit != 0; bit--, plen++) 2501 if (!(pname[byte] & (1 << bit))) 2502 break; 2503 for (; bit != 0; bit--) 2504 if (pname[byte] & (1 << bit)) 2505 return(0); 2506 byte++; 2507 for (; byte < size; byte++) 2508 if (pname[byte]) 2509 return(0); 2510 return (plen); 2511 } 2512 #endif /*INET6*/ 2513 2514 #ifndef INET_ONLY 2515 void 2516 at_getaddr(const char *addr, int which) 2517 { 2518 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 2519 u_int net, node; 2520 2521 sat->sat_family = AF_APPLETALK; 2522 sat->sat_len = sizeof(*sat); 2523 if (which == MASK) 2524 errx(EXIT_FAILURE, "AppleTalk does not use netmasks"); 2525 if (sscanf(addr, "%u.%u", &net, &node) != 2 2526 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 2527 errx(EXIT_FAILURE, "%s: illegal address", addr); 2528 sat->sat_addr.s_net = htons(net); 2529 sat->sat_addr.s_node = node; 2530 } 2531 2532 void 2533 setatrange(const char *range, int d) 2534 { 2535 u_short first = 123, last = 123; 2536 2537 if (sscanf(range, "%hu-%hu", &first, &last) != 2 2538 || first == 0 /* || first > 0xffff */ 2539 || last == 0 /* || last > 0xffff */ || first > last) 2540 errx(EXIT_FAILURE, "%s: illegal net range: %u-%u", range, 2541 first, last); 2542 at_nr.nr_firstnet = htons(first); 2543 at_nr.nr_lastnet = htons(last); 2544 } 2545 2546 void 2547 setatphase(const char *phase, int d) 2548 { 2549 if (!strcmp(phase, "1")) 2550 at_nr.nr_phase = 1; 2551 else if (!strcmp(phase, "2")) 2552 at_nr.nr_phase = 2; 2553 else 2554 errx(EXIT_FAILURE, "%s: illegal phase", phase); 2555 } 2556 2557 void 2558 checkatrange(struct sockaddr_at *sat) 2559 { 2560 if (at_nr.nr_phase == 0) 2561 at_nr.nr_phase = 2; /* Default phase 2 */ 2562 if (at_nr.nr_firstnet == 0) 2563 at_nr.nr_firstnet = /* Default range of one */ 2564 at_nr.nr_lastnet = sat->sat_addr.s_net; 2565 printf("\tatalk %d.%d range %d-%d phase %d\n", 2566 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2567 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 2568 if ((u_short) ntohs(at_nr.nr_firstnet) > 2569 (u_short) ntohs(sat->sat_addr.s_net) 2570 || (u_short) ntohs(at_nr.nr_lastnet) < 2571 (u_short) ntohs(sat->sat_addr.s_net)) 2572 errx(EXIT_FAILURE, "AppleTalk address is not in range"); 2573 *((struct netrange *) &sat->sat_zero) = at_nr; 2574 } 2575 2576 #define SNS(x) ((struct sockaddr_ns *) &(x)) 2577 struct sockaddr_ns *snstab[] = { 2578 SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 2579 SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 2580 2581 void 2582 xns_getaddr(const char *addr, int which) 2583 { 2584 struct sockaddr_ns *sns = snstab[which]; 2585 2586 sns->sns_family = AF_NS; 2587 sns->sns_len = sizeof(*sns); 2588 sns->sns_addr = ns_addr(addr); 2589 if (which == MASK) 2590 puts("Attempt to set XNS netmask will be ineffectual"); 2591 } 2592 2593 #define SISO(x) ((struct sockaddr_iso *) &(x)) 2594 struct sockaddr_iso *sisotab[] = { 2595 SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 2596 SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 2597 2598 void 2599 iso_getaddr(const char *addr, int which) 2600 { 2601 struct sockaddr_iso *siso = sisotab[which]; 2602 siso->siso_addr = *iso_addr(addr); 2603 2604 if (which == MASK) { 2605 siso->siso_len = TSEL(siso) - (char *)(siso); 2606 siso->siso_nlen = 0; 2607 } else { 2608 siso->siso_len = sizeof(*siso); 2609 siso->siso_family = AF_ISO; 2610 } 2611 } 2612 2613 void 2614 setsnpaoffset(const char *val, int d) 2615 { 2616 iso_addreq.ifra_snpaoffset = atoi(val); 2617 } 2618 2619 void 2620 setnsellength(const char *val, int d) 2621 { 2622 nsellength = atoi(val); 2623 if (nsellength < 0) 2624 errx(EXIT_FAILURE, "Negative NSEL length is absurd"); 2625 if (afp == 0 || afp->af_af != AF_ISO) 2626 errx(EXIT_FAILURE, "Setting NSEL length valid only for iso"); 2627 } 2628 2629 void 2630 fixnsel(struct sockaddr_iso *siso) 2631 { 2632 if (siso->siso_family == 0) 2633 return; 2634 siso->siso_tlen = nsellength; 2635 } 2636 2637 void 2638 adjust_nsellength(void) 2639 { 2640 fixnsel(sisotab[RIDADDR]); 2641 fixnsel(sisotab[ADDR]); 2642 fixnsel(sisotab[DSTADDR]); 2643 } 2644 2645 #endif /* INET_ONLY */ 2646 2647 void 2648 usage(void) 2649 { 2650 const char *progname = getprogname(); 2651 2652 fprintf(stderr, 2653 "usage: %s [-m] [-v] [-z] " 2654 #ifdef INET6 2655 "[-L] " 2656 #endif 2657 "interface\n" 2658 "\t[ af [ address [ dest_addr ] ] [ netmask mask ] [ prefixlen n ]\n" 2659 "\t\t[ alias | -alias ] ]\n" 2660 "\t[ up ] [ down ] [ metric n ] [ mtu n ]\n" 2661 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n" 2662 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n" 2663 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n" 2664 "\t[ arp | -arp ]\n" 2665 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] " 2666 "[ instance minst ]\n" 2667 "\t[ vlan n vlanif i ]\n" 2668 "\t[ agrport i ] [ -agrport i ]\n" 2669 "\t[ anycast | -anycast ] [ deprecated | -deprecated ]\n" 2670 "\t[ tentative | -tentative ] [ pltime n ] [ vltime n ] [ eui64 ]\n" 2671 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" 2672 " %s -a [-b] [-m] [-d] [-u] [-v] [-z] [ af ]\n" 2673 " %s -l [-b] [-d] [-u] [-s]\n" 2674 " %s -C\n" 2675 " %s interface create\n" 2676 " %s interface destroy\n", 2677 progname, progname, progname, progname, progname, progname); 2678 exit(1); 2679 } 2680 2681 #ifdef INET6 2682 char * 2683 sec2str(total) 2684 time_t total; 2685 { 2686 static char result[256]; 2687 int days, hours, mins, secs; 2688 int first = 1; 2689 char *p = result; 2690 char *end = &result[sizeof(result)]; 2691 int n; 2692 2693 if (0) { /*XXX*/ 2694 days = total / 3600 / 24; 2695 hours = (total / 3600) % 24; 2696 mins = (total / 60) % 60; 2697 secs = total % 60; 2698 2699 if (days) { 2700 first = 0; 2701 n = snprintf(p, end - p, "%dd", days); 2702 if (n < 0 || n >= end - p) 2703 return(result); 2704 p += n; 2705 } 2706 if (!first || hours) { 2707 first = 0; 2708 n = snprintf(p, end - p, "%dh", hours); 2709 if (n < 0 || n >= end - p) 2710 return(result); 2711 p += n; 2712 } 2713 if (!first || mins) { 2714 first = 0; 2715 n = snprintf(p, end - p, "%dm", mins); 2716 if (n < 0 || n >= end - p) 2717 return(result); 2718 p += n; 2719 } 2720 snprintf(p, end - p, "%ds", secs); 2721 } else 2722 snprintf(p, end - p, "%lu", (u_long)total); 2723 2724 return(result); 2725 } 2726 #endif 2727
Indexes created Tue Sep 30 07:10:03 GMT 2025