ifconfig.c revision 1.157
1 /* $NetBSD: ifconfig.c,v 1.157 2005/03/19 17:32:26 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 1.157 2005/03/19 17:32:26 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 struct afswtch *lookup_af(const char *); 395 396 int 397 main(int argc, char *argv[]) 398 { 399 int ch; 400 401 /* Parse command-line options */ 402 aflag = mflag = vflag = zflag = 0; 403 while ((ch = getopt(argc, argv, "AabCdlmsuvz" 404 #ifdef INET6 405 "L" 406 #endif 407 )) != -1) { 408 switch (ch) { 409 case 'A': 410 warnx("-A is deprecated"); 411 break; 412 413 case 'a': 414 aflag = 1; 415 break; 416 417 case 'b': 418 bflag = 1; 419 break; 420 421 case 'C': 422 Cflag = 1; 423 break; 424 425 case 'd': 426 dflag = 1; 427 break; 428 429 #ifdef INET6 430 case 'L': 431 Lflag = 1; 432 break; 433 #endif 434 435 case 'l': 436 lflag = 1; 437 break; 438 439 case 'm': 440 mflag = 1; 441 break; 442 443 case 's': 444 sflag = 1; 445 break; 446 447 case 'u': 448 uflag = 1; 449 break; 450 451 case 'v': 452 vflag = 1; 453 break; 454 455 case 'z': 456 zflag = 1; 457 break; 458 459 460 default: 461 usage(); 462 /* NOTREACHED */ 463 } 464 } 465 argc -= optind; 466 argv += optind; 467 468 /* 469 * -l means "list all interfaces", and is mutally exclusive with 470 * all other flags/commands. 471 * 472 * -C means "list all names of cloners", and it mutually exclusive 473 * with all other flags/commands. 474 * 475 * -a means "print status of all interfaces". 476 */ 477 if ((lflag || Cflag) && (aflag || mflag || vflag || argc || zflag)) 478 usage(); 479 #ifdef INET6 480 if ((lflag || Cflag) && Lflag) 481 usage(); 482 #endif 483 if (lflag && Cflag) 484 usage(); 485 if (Cflag) { 486 if (argc) 487 usage(); 488 list_cloners(); 489 exit(0); 490 } 491 if (aflag || lflag) { 492 if (argc > 1) 493 usage(); 494 else if (argc == 1) { 495 afp = lookup_af(argv[0]); 496 if (afp == NULL) 497 usage(); 498 } 499 if (afp) 500 af = ifr.ifr_addr.sa_family = afp->af_af; 501 else 502 af = ifr.ifr_addr.sa_family = afs[0].af_af; 503 printall(NULL); 504 exit(0); 505 } 506 507 /* Make sure there's an interface name. */ 508 if (argc < 1) 509 usage(); 510 if (strlcpy(name, argv[0], sizeof(name)) >= sizeof(name)) 511 errx(1, "interface name '%s' too long", argv[0]); 512 argc--; argv++; 513 514 /* 515 * NOTE: We must special-case the `create' command right 516 * here as we would otherwise fail in getinfo(). 517 */ 518 if (argc > 0 && strcmp(argv[0], "create") == 0) { 519 clone_create(argv[0], 0); 520 argc--, argv++; 521 if (argc == 0) 522 exit(0); 523 } 524 525 /* Check for address family. */ 526 afp = NULL; 527 if (argc > 0) { 528 afp = lookup_af(argv[0]); 529 if (afp != NULL) { 530 argv++; 531 argc--; 532 } 533 } 534 535 /* Initialize af, just for use in getinfo(). */ 536 if (afp == NULL) 537 af = afs->af_af; 538 else 539 af = afp->af_af; 540 541 /* Get information about the interface. */ 542 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 543 if (getinfo(&ifr) < 0) 544 exit(1); 545 546 if (sflag) { 547 if (argc != 0) 548 usage(); 549 else 550 exit(carrier()); 551 } 552 553 /* No more arguments means interface status. */ 554 if (argc == 0) { 555 printall(name); 556 exit(0); 557 } 558 559 /* The following operations assume inet family as the default. */ 560 if (afp == NULL) 561 afp = afs; 562 af = ifr.ifr_addr.sa_family = afp->af_af; 563 564 #ifdef INET6 565 /* initialization */ 566 in6_addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; 567 in6_addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; 568 #endif 569 570 /* Process commands. */ 571 while (argc > 0) { 572 const struct cmd *p; 573 574 for (p = cmds; p->c_name; p++) 575 if (strcmp(argv[0], p->c_name) == 0) 576 break; 577 if (p->c_name == 0 && setaddr) { 578 if ((flags & IFF_POINTOPOINT) == 0) { 579 errx(EXIT_FAILURE, 580 "can't set destination address %s", 581 "on non-point-to-point link"); 582 } 583 p++; /* got src, do dst */ 584 } 585 if (p->c_func != NULL || p->c_func2 != NULL) { 586 if (p->c_parameter == NEXTARG) { 587 if (argc < 2) 588 errx(EXIT_FAILURE, 589 "'%s' requires argument", 590 p->c_name); 591 (*p->c_func)(argv[1], 0); 592 argc--, argv++; 593 } else if (p->c_parameter == NEXTARG2) { 594 if (argc < 3) 595 errx(EXIT_FAILURE, 596 "'%s' requires 2 arguments", 597 p->c_name); 598 (*p->c_func2)(argv[1], argv[2]); 599 argc -= 2, argv += 2; 600 } else 601 (*p->c_func)(argv[0], p->c_parameter); 602 actions |= p->c_action; 603 } 604 argc--, argv++; 605 } 606 607 /* 608 * See if multiple alias, -alias, or delete commands were 609 * specified. More than one constitutes an invalid command line 610 */ 611 612 if (conflicting > 1) 613 errx(EXIT_FAILURE, 614 "Only one use of alias, -alias or delete is valid."); 615 616 /* Process any media commands that may have been issued. */ 617 process_media_commands(); 618 619 if (af == AF_INET6 && explicit_prefix == 0) { 620 /* 621 * Aggregatable address architecture defines all prefixes 622 * are 64. So, it is convenient to set prefixlen to 64 if 623 * it is not specified. 624 */ 625 setifprefixlen("64", 0); 626 /* in6_getprefix("64", MASK) if MASK is available here... */ 627 } 628 629 #ifndef INET_ONLY 630 if (af == AF_ISO) 631 adjust_nsellength(); 632 633 if (af == AF_APPLETALK) 634 checkatrange((struct sockaddr_at *) &addreq.ifra_addr); 635 636 if (setipdst && af==AF_NS) { 637 struct nsip_req rq; 638 int size = sizeof(rq); 639 640 rq.rq_ns = addreq.ifra_addr; 641 rq.rq_ip = addreq.ifra_dstaddr; 642 643 if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0) 644 warn("encapsulation routing"); 645 } 646 647 #endif /* INET_ONLY */ 648 649 if (clearaddr) { 650 (void) strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name); 651 if (ioctl(s, afp->af_difaddr, afp->af_ridreq) == -1) 652 err(EXIT_FAILURE, "SIOCDIFADDR"); 653 } 654 if (newaddr > 0) { 655 (void) strncpy(afp->af_addreq, name, sizeof ifr.ifr_name); 656 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) == -1) 657 warn("SIOCAIFADDR"); 658 } 659 660 if (g_ifcr_updated) { 661 (void) strncpy(g_ifcr.ifcr_name, name, 662 sizeof(g_ifcr.ifcr_name)); 663 if (ioctl(s, SIOCSIFCAP, &g_ifcr) == -1) 664 err(EXIT_FAILURE, "SIOCSIFCAP"); 665 } 666 667 exit(0); 668 } 669 670 struct afswtch * 671 lookup_af(const char *cp) 672 { 673 struct afswtch *a; 674 675 for (a = afs; a->af_name != NULL; a++) 676 if (strcmp(a->af_name, cp) == 0) 677 return (a); 678 return (NULL); 679 } 680 681 void 682 getsock(int naf) 683 { 684 static int oaf = -1; 685 686 if (oaf == naf) 687 return; 688 if (oaf != -1) 689 close(s); 690 s = socket(naf, SOCK_DGRAM, 0); 691 if (s < 0) 692 oaf = -1; 693 else 694 oaf = naf; 695 } 696 697 int 698 getinfo(struct ifreq *giifr) 699 { 700 701 getsock(af); 702 if (s < 0) 703 err(EXIT_FAILURE, "socket"); 704 if (ioctl(s, SIOCGIFFLAGS, giifr) == -1) { 705 warn("SIOCGIFFLAGS %s", giifr->ifr_name); 706 return (-1); 707 } 708 flags = giifr->ifr_flags; 709 if (ioctl(s, SIOCGIFMETRIC, giifr) == -1) { 710 warn("SIOCGIFMETRIC %s", giifr->ifr_name); 711 metric = 0; 712 } else 713 metric = giifr->ifr_metric; 714 if (ioctl(s, SIOCGIFMTU, giifr) == -1) 715 mtu = 0; 716 else 717 mtu = giifr->ifr_mtu; 718 719 memset(&g_ifcr, 0, sizeof(g_ifcr)); 720 strcpy(g_ifcr.ifcr_name, giifr->ifr_name); 721 (void) ioctl(s, SIOCGIFCAP, &g_ifcr); 722 723 return (0); 724 } 725 726 void 727 printall(const char *ifname) 728 { 729 struct ifaddrs *ifap, *ifa; 730 struct ifreq paifr; 731 const struct sockaddr_dl *sdl = NULL; 732 int idx; 733 char *p; 734 735 if (getifaddrs(&ifap) != 0) 736 err(EXIT_FAILURE, "getifaddrs"); 737 p = NULL; 738 idx = 0; 739 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 740 memset(&paifr, 0, sizeof(paifr)); 741 strncpy(paifr.ifr_name, ifa->ifa_name, sizeof(paifr.ifr_name)); 742 if (sizeof(paifr.ifr_addr) >= ifa->ifa_addr->sa_len) { 743 memcpy(&paifr.ifr_addr, ifa->ifa_addr, 744 ifa->ifa_addr->sa_len); 745 } 746 747 if (ifname && strcmp(ifname, ifa->ifa_name) != 0) 748 continue; 749 if (ifa->ifa_addr->sa_family == AF_LINK) 750 sdl = (const struct sockaddr_dl *) ifa->ifa_addr; 751 if (p && strcmp(p, ifa->ifa_name) == 0) 752 continue; 753 if (strlcpy(name, ifa->ifa_name, sizeof(name)) >= sizeof(name)) 754 continue; 755 p = ifa->ifa_name; 756 757 if (getinfo(&paifr) < 0) 758 continue; 759 if (bflag && (ifa->ifa_flags & IFF_BROADCAST) == 0) 760 continue; 761 if (dflag && (ifa->ifa_flags & IFF_UP) != 0) 762 continue; 763 if (uflag && (ifa->ifa_flags & IFF_UP) == 0) 764 continue; 765 766 if (sflag && carrier()) 767 continue; 768 idx++; 769 /* 770 * Are we just listing the interfaces? 771 */ 772 if (lflag) { 773 if (idx > 1) 774 printf(" "); 775 fputs(name, stdout); 776 continue; 777 } 778 779 status(sdl); 780 sdl = NULL; 781 } 782 if (lflag) 783 printf("\n"); 784 freeifaddrs(ifap); 785 } 786 787 void 788 list_cloners(void) 789 { 790 struct if_clonereq ifcr; 791 char *cp, *buf; 792 int idx; 793 794 memset(&ifcr, 0, sizeof(ifcr)); 795 796 getsock(AF_INET); 797 798 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 799 err(EXIT_FAILURE, "SIOCIFGCLONERS for count"); 800 801 buf = malloc(ifcr.ifcr_total * IFNAMSIZ); 802 if (buf == NULL) 803 err(EXIT_FAILURE, "unable to allocate cloner name buffer"); 804 805 ifcr.ifcr_count = ifcr.ifcr_total; 806 ifcr.ifcr_buffer = buf; 807 808 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 809 err(EXIT_FAILURE, "SIOCIFGCLONERS for names"); 810 811 /* 812 * In case some disappeared in the mean time, clamp it down. 813 */ 814 if (ifcr.ifcr_count > ifcr.ifcr_total) 815 ifcr.ifcr_count = ifcr.ifcr_total; 816 817 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) { 818 if (idx > 0) 819 printf(" "); 820 printf("%s", cp); 821 } 822 823 printf("\n"); 824 free(buf); 825 return; 826 } 827 828 /*ARGSUSED*/ 829 void 830 clone_create(const char *addr, int param) 831 { 832 833 /* We're called early... */ 834 getsock(AF_INET); 835 836 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 837 if (ioctl(s, SIOCIFCREATE, &ifr) == -1) 838 err(EXIT_FAILURE, "SIOCIFCREATE"); 839 } 840 841 /*ARGSUSED*/ 842 void 843 clone_destroy(const char *addr, int param) 844 { 845 846 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 847 if (ioctl(s, SIOCIFDESTROY, &ifr) == -1) 848 err(EXIT_FAILURE, "SIOCIFDESTROY"); 849 } 850 851 #define RIDADDR 0 852 #define ADDR 1 853 #define MASK 2 854 #define DSTADDR 3 855 856 /*ARGSUSED*/ 857 void 858 setifaddr(const char *addr, int param) 859 { 860 struct ifreq *siifr; /* XXX */ 861 862 /* 863 * Delay the ioctl to set the interface addr until flags are all set. 864 * The address interpretation may depend on the flags, 865 * and the flags may change when the address is set. 866 */ 867 setaddr++; 868 if (newaddr == -1) 869 newaddr = 1; 870 if (doalias == 0 && afp->af_gifaddr != 0) { 871 siifr = (struct ifreq *)afp->af_ridreq; 872 (void) strncpy(siifr->ifr_name, name, sizeof(siifr->ifr_name)); 873 siifr->ifr_addr.sa_family = afp->af_af; 874 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0) 875 clearaddr = 1; 876 else if (errno == EADDRNOTAVAIL) 877 /* No address was assigned yet. */ 878 ; 879 else 880 err(EXIT_FAILURE, "SIOCGIFADDR"); 881 } 882 883 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 884 } 885 886 void 887 setifnetmask(const char *addr, int d) 888 { 889 (*afp->af_getaddr)(addr, MASK); 890 } 891 892 void 893 setifbroadaddr(const char *addr, int d) 894 { 895 (*afp->af_getaddr)(addr, DSTADDR); 896 } 897 898 void 899 setifipdst(const char *addr, int d) 900 { 901 in_getaddr(addr, DSTADDR); 902 setipdst++; 903 clearaddr = 0; 904 newaddr = 0; 905 } 906 907 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 908 /*ARGSUSED*/ 909 void 910 notealias(const char *addr, int param) 911 { 912 if (setaddr && doalias == 0 && param < 0) 913 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 914 rqtosa(af_addreq)->sa_len); 915 doalias = param; 916 if (param < 0) { 917 clearaddr = 1; 918 newaddr = 0; 919 conflicting++; 920 } else { 921 clearaddr = 0; 922 conflicting++; 923 } 924 } 925 926 /*ARGSUSED*/ 927 void 928 notrailers(const char *vname, int value) 929 { 930 puts("Note: trailers are no longer sent, but always received"); 931 } 932 933 /*ARGSUSED*/ 934 void 935 setifdstaddr(const char *addr, int param) 936 { 937 (*afp->af_getaddr)(addr, DSTADDR); 938 } 939 940 void 941 setifflags(const char *vname, int value) 942 { 943 struct ifreq ifreq; 944 945 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 946 if (ioctl(s, SIOCGIFFLAGS, &ifreq) == -1) 947 err(EXIT_FAILURE, "SIOCGIFFLAGS"); 948 flags = ifreq.ifr_flags; 949 950 if (value < 0) { 951 value = -value; 952 flags &= ~value; 953 } else 954 flags |= value; 955 ifreq.ifr_flags = flags; 956 if (ioctl(s, SIOCSIFFLAGS, &ifreq) == -1) 957 err(EXIT_FAILURE, "SIOCSIFFLAGS"); 958 } 959 960 void 961 setifcaps(const char *vname, int value) 962 { 963 964 if (value < 0) { 965 value = -value; 966 g_ifcr.ifcr_capenable &= ~value; 967 } else 968 g_ifcr.ifcr_capenable |= value; 969 970 g_ifcr_updated = 1; 971 } 972 973 #ifdef INET6 974 void 975 setia6flags(const char *vname, int value) 976 { 977 978 if (value < 0) { 979 value = -value; 980 in6_addreq.ifra_flags &= ~value; 981 } else 982 in6_addreq.ifra_flags |= value; 983 } 984 985 void 986 setia6pltime(const char *val, int d) 987 { 988 989 setia6lifetime("pltime", val); 990 } 991 992 void 993 setia6vltime(const char *val, int d) 994 { 995 996 setia6lifetime("vltime", val); 997 } 998 999 void 1000 setia6lifetime(const char *cmd, const char *val) 1001 { 1002 time_t newval, t; 1003 char *ep; 1004 1005 t = time(NULL); 1006 newval = (time_t)strtoul(val, &ep, 0); 1007 if (val == ep) 1008 errx(EXIT_FAILURE, "invalid %s", cmd); 1009 if (afp->af_af != AF_INET6) 1010 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd); 1011 if (strcmp(cmd, "vltime") == 0) { 1012 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 1013 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 1014 } else if (strcmp(cmd, "pltime") == 0) { 1015 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 1016 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 1017 } 1018 } 1019 1020 void 1021 setia6eui64(const char *cmd, int val) 1022 { 1023 struct ifaddrs *ifap, *ifa; 1024 const struct sockaddr_in6 *sin6 = NULL; 1025 const struct in6_addr *lladdr = NULL; 1026 struct in6_addr *in6; 1027 1028 if (afp->af_af != AF_INET6) 1029 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd); 1030 in6 = (struct in6_addr *)&in6_addreq.ifra_addr.sin6_addr; 1031 if (memcmp(&in6addr_any.s6_addr[8], &in6->s6_addr[8], 8) != 0) 1032 errx(EXIT_FAILURE, "interface index is already filled"); 1033 if (getifaddrs(&ifap) != 0) 1034 err(EXIT_FAILURE, "getifaddrs"); 1035 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 1036 if (ifa->ifa_addr->sa_family == AF_INET6 && 1037 strcmp(ifa->ifa_name, name) == 0) { 1038 sin6 = (const struct sockaddr_in6 *)ifa->ifa_addr; 1039 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1040 lladdr = &sin6->sin6_addr; 1041 break; 1042 } 1043 } 1044 } 1045 if (!lladdr) 1046 errx(EXIT_FAILURE, "could not determine link local address"); 1047 1048 memcpy(&in6->s6_addr[8], &lladdr->s6_addr[8], 8); 1049 1050 freeifaddrs(ifap); 1051 } 1052 #endif 1053 1054 void 1055 setifmetric(const char *val, int d) 1056 { 1057 char *ep = NULL; 1058 1059 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1060 ifr.ifr_metric = strtoul(val, &ep, 10); 1061 if (!ep || *ep) 1062 errx(EXIT_FAILURE, "%s: invalid metric", val); 1063 if (ioctl(s, SIOCSIFMETRIC, &ifr) == -1) 1064 warn("SIOCSIFMETRIC"); 1065 } 1066 1067 void 1068 setifmtu(const char *val, int d) 1069 { 1070 char *ep = NULL; 1071 1072 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1073 ifr.ifr_mtu = strtoul(val, &ep, 10); 1074 if (!ep || *ep) 1075 errx(EXIT_FAILURE, "%s: invalid mtu", val); 1076 if (ioctl(s, SIOCSIFMTU, &ifr) == -1) 1077 warn("SIOCSIFMTU"); 1078 } 1079 1080 const char * 1081 get_string(const char *val, const char *sep, u_int8_t *buf, int *lenp) 1082 { 1083 int len; 1084 int hexstr; 1085 u_int8_t *p; 1086 1087 len = *lenp; 1088 p = buf; 1089 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 1090 if (hexstr) 1091 val += 2; 1092 for (;;) { 1093 if (*val == '\0') 1094 break; 1095 if (sep != NULL && strchr(sep, *val) != NULL) { 1096 val++; 1097 break; 1098 } 1099 if (hexstr) { 1100 if (!isxdigit((u_char)val[0]) || 1101 !isxdigit((u_char)val[1])) { 1102 warnx("bad hexadecimal digits"); 1103 return NULL; 1104 } 1105 } 1106 if (p > buf + len) { 1107 if (hexstr) 1108 warnx("hexadecimal digits too long"); 1109 else 1110 warnx("strings too long"); 1111 return NULL; 1112 } 1113 if (hexstr) { 1114 #define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 1115 *p++ = (tohex((u_char)val[0]) << 4) | 1116 tohex((u_char)val[1]); 1117 #undef tohex 1118 val += 2; 1119 } else 1120 *p++ = *val++; 1121 } 1122 len = p - buf; 1123 if (len < *lenp) 1124 memset(p, 0, *lenp - len); 1125 *lenp = len; 1126 return val; 1127 } 1128 1129 void 1130 print_string(const u_int8_t *buf, int len) 1131 { 1132 int i; 1133 int hasspc; 1134 1135 i = 0; 1136 hasspc = 0; 1137 if (len < 2 || buf[0] != '0' || tolower(buf[1]) != 'x') { 1138 for (; i < len; i++) { 1139 if (!isprint(buf[i])) 1140 break; 1141 if (isspace(buf[i])) 1142 hasspc++; 1143 } 1144 } 1145 if (i == len) { 1146 if (hasspc || len == 0) 1147 printf("\"%.*s\"", len, buf); 1148 else 1149 printf("%.*s", len, buf); 1150 } else { 1151 printf("0x"); 1152 for (i = 0; i < len; i++) 1153 printf("%02x", buf[i]); 1154 } 1155 } 1156 1157 void 1158 setifnwid(const char *val, int d) 1159 { 1160 struct ieee80211_nwid nwid; 1161 int len; 1162 1163 len = sizeof(nwid.i_nwid); 1164 if (get_string(val, NULL, nwid.i_nwid, &len) == NULL) 1165 return; 1166 nwid.i_len = len; 1167 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1168 ifr.ifr_data = (void *)&nwid; 1169 if (ioctl(s, SIOCS80211NWID, &ifr) == -1) 1170 warn("SIOCS80211NWID"); 1171 } 1172 1173 void 1174 setifbssid(const char *val, int d) 1175 { 1176 struct ieee80211_bssid bssid; 1177 struct ether_addr *ea; 1178 1179 if (d != 0) { 1180 /* no BSSID is especially desired */ 1181 memset(&bssid.i_bssid, 0, sizeof(bssid.i_bssid)); 1182 } else { 1183 ea = ether_aton(val); 1184 if (ea == NULL) { 1185 warnx("malformed BSSID: %s", val); 1186 return; 1187 } 1188 memcpy(&bssid.i_bssid, ea->ether_addr_octet, 1189 sizeof(bssid.i_bssid)); 1190 } 1191 (void)strncpy(bssid.i_name, name, sizeof(bssid.i_name)); 1192 if (ioctl(s, SIOCS80211BSSID, &bssid) == -1) 1193 warn("SIOCS80211BSSID"); 1194 } 1195 1196 void 1197 setifchan(const char *val, int d) 1198 { 1199 struct ieee80211chanreq channel; 1200 int chan; 1201 1202 if (d != 0) 1203 chan = IEEE80211_CHAN_ANY; 1204 else { 1205 chan = atoi(val); 1206 if (chan < 0 || chan > 0xffff) { 1207 warnx("invalid channel: %s", val); 1208 return; 1209 } 1210 } 1211 1212 (void)strncpy(channel.i_name, name, sizeof(channel.i_name)); 1213 channel.i_channel = (u_int16_t) chan; 1214 if (ioctl(s, SIOCS80211CHANNEL, &channel) == -1) 1215 warn("SIOCS80211CHANNEL"); 1216 } 1217 1218 void 1219 setifnwkey(const char *val, int d) 1220 { 1221 struct ieee80211_nwkey nwkey; 1222 int i; 1223 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1224 1225 nwkey.i_wepon = IEEE80211_NWKEY_WEP; 1226 nwkey.i_defkid = 1; 1227 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1228 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1229 nwkey.i_key[i].i_keydat = keybuf[i]; 1230 } 1231 if (d != 0) { 1232 /* disable WEP encryption */ 1233 nwkey.i_wepon = 0; 1234 i = 0; 1235 } else if (strcasecmp("persist", val) == 0) { 1236 /* use all values from persistent memory */ 1237 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1238 nwkey.i_defkid = 0; 1239 for (i = 0; i < IEEE80211_WEP_NKID; i++) 1240 nwkey.i_key[i].i_keylen = -1; 1241 } else if (strncasecmp("persist:", val, 8) == 0) { 1242 val += 8; 1243 /* program keys in persistent memory */ 1244 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1245 goto set_nwkey; 1246 } else { 1247 set_nwkey: 1248 if (isdigit((unsigned char)val[0]) && val[1] == ':') { 1249 /* specifying a full set of four keys */ 1250 nwkey.i_defkid = val[0] - '0'; 1251 val += 2; 1252 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1253 val = get_string(val, ",", keybuf[i], 1254 &nwkey.i_key[i].i_keylen); 1255 if (val == NULL) 1256 return; 1257 } 1258 if (*val != '\0') { 1259 warnx("SIOCS80211NWKEY: too many keys."); 1260 return; 1261 } 1262 } else { 1263 val = get_string(val, NULL, keybuf[0], 1264 &nwkey.i_key[0].i_keylen); 1265 if (val == NULL) 1266 return; 1267 i = 1; 1268 } 1269 } 1270 for (; i < IEEE80211_WEP_NKID; i++) 1271 nwkey.i_key[i].i_keylen = 0; 1272 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1273 if (ioctl(s, SIOCS80211NWKEY, &nwkey) == -1) 1274 warn("SIOCS80211NWKEY"); 1275 } 1276 1277 void 1278 setifpowersave(const char *val, int d) 1279 { 1280 struct ieee80211_power power; 1281 1282 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1283 if (ioctl(s, SIOCG80211POWER, &power) == -1) { 1284 warn("SIOCG80211POWER"); 1285 return; 1286 } 1287 1288 power.i_enabled = d; 1289 if (ioctl(s, SIOCS80211POWER, &power) == -1) 1290 warn("SIOCS80211POWER"); 1291 } 1292 1293 void 1294 setifpowersavesleep(const char *val, int d) 1295 { 1296 struct ieee80211_power power; 1297 1298 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1299 if (ioctl(s, SIOCG80211POWER, &power) == -1) { 1300 warn("SIOCG80211POWER"); 1301 return; 1302 } 1303 1304 power.i_maxsleep = atoi(val); 1305 if (ioctl(s, SIOCS80211POWER, &power) == -1) 1306 warn("SIOCS80211POWER"); 1307 } 1308 1309 void 1310 ieee80211_statistics(void) 1311 { 1312 struct ieee80211_stats stats; 1313 1314 memset(&ifr, 0, sizeof(ifr)); 1315 ifr.ifr_data = (caddr_t)&stats; 1316 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1317 if (ioctl(s, (zflag) ? SIOCG80211ZSTATS : SIOCG80211STATS, 1318 (caddr_t)&ifr) == -1) 1319 return; 1320 #define RX_PRINT(desc, member) printf("\trx " desc ": %u\n", stats.member) 1321 #define TX_PRINT(desc, member) printf("\ttx " desc ": %u\n", stats.member) 1322 1323 RX_PRINT("too short", is_rx_tooshort); 1324 RX_PRINT("bad version", is_rx_badversion); 1325 RX_PRINT("wrong bss", is_rx_wrongbss); 1326 RX_PRINT("duplicate", is_rx_dup); 1327 RX_PRINT("wrong direction", is_rx_wrongdir); 1328 RX_PRINT("multicast echo", is_rx_mcastecho); 1329 RX_PRINT("STA not associated", is_rx_notassoc); 1330 RX_PRINT("WEP-encrypted but WEP not configured", is_rx_nowep); 1331 RX_PRINT("WEP processing failed", is_rx_wepfail); 1332 #if 0 1333 RX_PRINT("single (M)MSDU, both WEP/non-WEP fragments", is_rx_wepmix); 1334 RX_PRINT("non-consecutive fragments", is_rx_fragorder); 1335 #endif 1336 RX_PRINT("decapsulation failed", is_rx_decap); 1337 RX_PRINT("management-type discarded", is_rx_mgtdiscard); 1338 RX_PRINT("control-type discarded", is_rx_ctl); 1339 RX_PRINT("truncated rate set", is_rx_rstoobig); 1340 RX_PRINT("beacon/prresp element missing", is_rx_elem_missing); 1341 RX_PRINT("beacon/prresp element too big", is_rx_elem_toobig); 1342 RX_PRINT("beacon/prresp element too small", is_rx_elem_toosmall); 1343 RX_PRINT("beacon/prresp element unknown", is_rx_elem_unknown); 1344 RX_PRINT("invalid channel", is_rx_badchan); 1345 RX_PRINT("channel mismatch", is_rx_chanmismatch); 1346 RX_PRINT("failed node allocation", is_rx_nodealloc); 1347 RX_PRINT("SSID mismatch", is_rx_ssidmismatch); 1348 RX_PRINT("unsupported authentication algor.", is_rx_auth_unsupported); 1349 RX_PRINT("STA authentication failure", is_rx_auth_fail); 1350 RX_PRINT("association for wrong bss", is_rx_assoc_bss); 1351 RX_PRINT("association without authenication", is_rx_assoc_notauth); 1352 RX_PRINT("association capability mismatch", is_rx_assoc_capmismatch); 1353 RX_PRINT("association without rate match", is_rx_assoc_norate); 1354 RX_PRINT("deauthentication", is_rx_deauth); 1355 RX_PRINT("disassocation", is_rx_disassoc); 1356 RX_PRINT("unknown subtype", is_rx_badsubtype); 1357 RX_PRINT("failed, mbuf unavailable", is_rx_nombuf); 1358 RX_PRINT("failed, bad ICV", is_rx_decryptcrc); 1359 RX_PRINT("discard mgmt frame in ad-hoc demo mode", is_rx_ahdemo_mgt); 1360 RX_PRINT("bad authentication", is_rx_bad_auth); 1361 TX_PRINT("failed, mbuf unavailable", is_tx_nombuf); 1362 TX_PRINT("failed, no node", is_tx_nonode); 1363 TX_PRINT("unknown mgmt frame", is_tx_unknownmgt); 1364 printf("\tactive scans: %u\n", stats.is_scan_active); 1365 printf("\tpassive scans: %u\n", stats.is_scan_passive); 1366 printf("\tnodes timed-out for inactivity: %u\n", 1367 stats.is_node_timeout); 1368 printf("\tcrypto context memory unavailable: %u\n", 1369 stats.is_crypto_nomem); 1370 } 1371 1372 void 1373 ieee80211_status(void) 1374 { 1375 int i, nwkey_verbose; 1376 struct ieee80211_nwid nwid; 1377 struct ieee80211_nwkey nwkey; 1378 struct ieee80211_power power; 1379 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1380 struct ieee80211_bssid bssid; 1381 struct ieee80211chanreq channel; 1382 struct ether_addr ea; 1383 static const u_int8_t zero_macaddr[IEEE80211_ADDR_LEN]; 1384 1385 memset(&ifr, 0, sizeof(ifr)); 1386 ifr.ifr_data = (void *)&nwid; 1387 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1388 if (ioctl(s, SIOCG80211NWID, &ifr) == -1) 1389 return; 1390 if (nwid.i_len > IEEE80211_NWID_LEN) { 1391 warnx("SIOCG80211NWID: wrong length of nwid (%d)", nwid.i_len); 1392 return; 1393 } 1394 printf("\tssid "); 1395 print_string(nwid.i_nwid, nwid.i_len); 1396 memset(&nwkey, 0, sizeof(nwkey)); 1397 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1398 /* show nwkey only when WEP is enabled */ 1399 if (ioctl(s, SIOCG80211NWKEY, &nwkey) == -1 || 1400 nwkey.i_wepon == 0) { 1401 printf("\n"); 1402 goto skip_wep; 1403 } 1404 1405 printf(" nwkey "); 1406 /* try to retrieve WEP keys */ 1407 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1408 nwkey.i_key[i].i_keydat = keybuf[i]; 1409 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1410 } 1411 if (ioctl(s, SIOCG80211NWKEY, &nwkey) == -1) { 1412 printf("*****"); 1413 } else { 1414 nwkey_verbose = 0; 1415 /* check to see non default key or multiple keys defined */ 1416 if (nwkey.i_defkid != 1) { 1417 nwkey_verbose = 1; 1418 } else { 1419 for (i = 1; i < IEEE80211_WEP_NKID; i++) { 1420 if (nwkey.i_key[i].i_keylen != 0) { 1421 nwkey_verbose = 1; 1422 break; 1423 } 1424 } 1425 } 1426 /* check extra ambiguity with keywords */ 1427 if (!nwkey_verbose) { 1428 if (nwkey.i_key[0].i_keylen >= 2 && 1429 isdigit(nwkey.i_key[0].i_keydat[0]) && 1430 nwkey.i_key[0].i_keydat[1] == ':') 1431 nwkey_verbose = 1; 1432 else if (nwkey.i_key[0].i_keylen >= 7 && 1433 strncasecmp("persist", nwkey.i_key[0].i_keydat, 7) 1434 == 0) 1435 nwkey_verbose = 1; 1436 } 1437 if (nwkey_verbose) 1438 printf("%d:", nwkey.i_defkid); 1439 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1440 if (i > 0) 1441 printf(","); 1442 if (nwkey.i_key[i].i_keylen < 0) 1443 printf("persist"); 1444 else 1445 print_string(nwkey.i_key[i].i_keydat, 1446 nwkey.i_key[i].i_keylen); 1447 if (!nwkey_verbose) 1448 break; 1449 } 1450 } 1451 printf("\n"); 1452 1453 skip_wep: 1454 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1455 if (ioctl(s, SIOCG80211POWER, &power) == -1) 1456 goto skip_power; 1457 printf("\tpowersave "); 1458 if (power.i_enabled) 1459 printf("on (%dms sleep)", power.i_maxsleep); 1460 else 1461 printf("off"); 1462 printf("\n"); 1463 1464 skip_power: 1465 (void)strncpy(bssid.i_name, name, sizeof(bssid.i_name)); 1466 if (ioctl(s, SIOCG80211BSSID, &bssid) == -1) 1467 return; 1468 (void)strncpy(channel.i_name, name, sizeof(channel.i_name)); 1469 if (ioctl(s, SIOCG80211CHANNEL, &channel) == -1) 1470 return; 1471 if (memcmp(bssid.i_bssid, zero_macaddr, IEEE80211_ADDR_LEN) == 0) { 1472 if (channel.i_channel != (u_int16_t)-1) 1473 printf("\tchan %d\n", channel.i_channel); 1474 } else { 1475 memcpy(ea.ether_addr_octet, bssid.i_bssid, 1476 sizeof(ea.ether_addr_octet)); 1477 printf("\tbssid %s", ether_ntoa(&ea)); 1478 if (channel.i_channel != IEEE80211_CHAN_ANY) 1479 printf(" chan %d", channel.i_channel); 1480 printf("\n"); 1481 } 1482 } 1483 1484 static void 1485 media_error(int type, const char *val, const char *opt) 1486 { 1487 errx(EXIT_FAILURE, "unknown %s media %s: %s", 1488 get_media_type_string(type), opt, val); 1489 } 1490 1491 void 1492 init_current_media(void) 1493 { 1494 struct ifmediareq ifmr; 1495 1496 /* 1497 * If we have not yet done so, grab the currently-selected 1498 * media. 1499 */ 1500 if ((actions & (A_MEDIA|A_MEDIAOPT|A_MEDIAMODE)) == 0) { 1501 (void) memset(&ifmr, 0, sizeof(ifmr)); 1502 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1503 1504 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1505 /* 1506 * If we get E2BIG, the kernel is telling us 1507 * that there are more, so we can ignore it. 1508 */ 1509 if (errno != E2BIG) 1510 err(EXIT_FAILURE, "SGIOCGIFMEDIA"); 1511 } 1512 1513 media_current = ifmr.ifm_current; 1514 } 1515 1516 /* Sanity. */ 1517 if (IFM_TYPE(media_current) == 0) 1518 errx(EXIT_FAILURE, "%s: no link type?", name); 1519 } 1520 1521 void 1522 process_media_commands(void) 1523 { 1524 1525 if ((actions & (A_MEDIA|A_MEDIAOPT|A_MEDIAMODE)) == 0) { 1526 /* Nothing to do. */ 1527 return; 1528 } 1529 1530 /* 1531 * Media already set up, and commands sanity-checked. Set/clear 1532 * any options, and we're ready to go. 1533 */ 1534 media_current |= mediaopt_set; 1535 media_current &= ~mediaopt_clear; 1536 1537 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1538 ifr.ifr_media = media_current; 1539 1540 if (ioctl(s, SIOCSIFMEDIA, &ifr) == -1) 1541 err(EXIT_FAILURE, "SIOCSIFMEDIA"); 1542 } 1543 1544 void 1545 setmedia(const char *val, int d) 1546 { 1547 int type, subtype, inst; 1548 1549 init_current_media(); 1550 1551 /* Only one media command may be given. */ 1552 if (actions & A_MEDIA) 1553 errx(EXIT_FAILURE, "only one `media' command may be issued"); 1554 1555 /* Must not come after mode commands */ 1556 if (actions & A_MEDIAMODE) 1557 errx(EXIT_FAILURE, 1558 "may not issue `media' after `mode' commands"); 1559 1560 /* Must not come after mediaopt commands */ 1561 if (actions & A_MEDIAOPT) 1562 errx(EXIT_FAILURE, 1563 "may not issue `media' after `mediaopt' commands"); 1564 1565 /* 1566 * No need to check if `instance' has been issued; setmediainst() 1567 * craps out if `media' has not been specified. 1568 */ 1569 1570 type = IFM_TYPE(media_current); 1571 inst = IFM_INST(media_current); 1572 1573 /* Look up the subtype. */ 1574 subtype = get_media_subtype(type, val); 1575 if (subtype == -1) 1576 media_error(type, val, "subtype"); 1577 1578 /* Build the new current media word. */ 1579 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1580 1581 /* Media will be set after other processing is complete. */ 1582 } 1583 1584 void 1585 setmediaopt(const char *val, int d) 1586 { 1587 char *invalid; 1588 1589 init_current_media(); 1590 1591 /* Can only issue `mediaopt' once. */ 1592 if (actions & A_MEDIAOPTSET) 1593 errx(EXIT_FAILURE, "only one `mediaopt' command may be issued"); 1594 1595 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1596 if (actions & A_MEDIAINST) 1597 errx(EXIT_FAILURE, "may not issue `mediaopt' after `instance'"); 1598 1599 mediaopt_set = get_media_options(media_current, val, &invalid); 1600 if (mediaopt_set == -1) 1601 media_error(media_current, invalid, "option"); 1602 1603 /* Media will be set after other processing is complete. */ 1604 } 1605 1606 void 1607 unsetmediaopt(const char *val, int d) 1608 { 1609 char *invalid; 1610 1611 init_current_media(); 1612 1613 /* Can only issue `-mediaopt' once. */ 1614 if (actions & A_MEDIAOPTCLR) 1615 errx(EXIT_FAILURE, 1616 "only one `-mediaopt' command may be issued"); 1617 1618 /* May not issue `media' and `-mediaopt'. */ 1619 if (actions & A_MEDIA) 1620 errx(EXIT_FAILURE, 1621 "may not issue both `media' and `-mediaopt'"); 1622 1623 /* 1624 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1625 * implicitly checks for A_MEDIAINST. 1626 */ 1627 1628 mediaopt_clear = get_media_options(media_current, val, &invalid); 1629 if (mediaopt_clear == -1) 1630 media_error(media_current, invalid, "option"); 1631 1632 /* Media will be set after other processing is complete. */ 1633 } 1634 1635 void 1636 setmediainst(const char *val, int d) 1637 { 1638 int type, subtype, options, inst; 1639 1640 init_current_media(); 1641 1642 /* Can only issue `instance' once. */ 1643 if (actions & A_MEDIAINST) 1644 errx(EXIT_FAILURE, "only one `instance' command may be issued"); 1645 1646 /* Must have already specified `media' */ 1647 if ((actions & A_MEDIA) == 0) 1648 errx(EXIT_FAILURE, "must specify `media' before `instance'"); 1649 1650 type = IFM_TYPE(media_current); 1651 subtype = IFM_SUBTYPE(media_current); 1652 options = IFM_OPTIONS(media_current); 1653 1654 inst = atoi(val); 1655 if (inst < 0 || inst > IFM_INST_MAX) 1656 errx(EXIT_FAILURE, "invalid media instance: %s", val); 1657 1658 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1659 1660 /* Media will be set after other processing is complete. */ 1661 } 1662 1663 void 1664 setmediamode(const char *val, int d) 1665 { 1666 int type, subtype, options, inst, mode; 1667 1668 init_current_media(); 1669 1670 /* Can only issue `mode' once. */ 1671 if (actions & A_MEDIAMODE) 1672 errx(EXIT_FAILURE, "only one `mode' command may be issued"); 1673 1674 type = IFM_TYPE(media_current); 1675 subtype = IFM_SUBTYPE(media_current); 1676 options = IFM_OPTIONS(media_current); 1677 inst = IFM_INST(media_current); 1678 1679 mode = get_media_mode(type, val); 1680 if (mode == -1) 1681 media_error(type, val, "mode"); 1682 1683 media_current = IFM_MAKEWORD(type, subtype, options, inst) | mode; 1684 1685 /* Media will be set after other processing is complete. */ 1686 } 1687 1688 void 1689 print_media_word(int ifmw, const char *opt_sep) 1690 { 1691 const char *str; 1692 1693 printf("%s", get_media_subtype_string(ifmw)); 1694 1695 /* Find mode. */ 1696 if (IFM_MODE(ifmw) != 0) { 1697 str = get_media_mode_string(ifmw); 1698 if (str != NULL) 1699 printf(" mode %s", str); 1700 } 1701 1702 /* Find options. */ 1703 for (; (str = get_media_option_string(&ifmw)) != NULL; opt_sep = ",") 1704 printf("%s%s", opt_sep, str); 1705 1706 if (IFM_INST(ifmw) != 0) 1707 printf(" instance %d", IFM_INST(ifmw)); 1708 } 1709 1710 int 1711 carrier(void) 1712 { 1713 struct ifmediareq ifmr; 1714 1715 (void) memset(&ifmr, 0, sizeof(ifmr)); 1716 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1717 1718 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1719 /* 1720 * Interface doesn't support SIOC{G,S}IFMEDIA; 1721 * assume ok. 1722 */ 1723 return 0; 1724 } 1725 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1726 /* 1727 * Interface doesn't report media-valid status. 1728 * assume ok. 1729 */ 1730 return 0; 1731 } 1732 /* otherwise, return ok for active, not-ok if not active. */ 1733 return !(ifmr.ifm_status & IFM_ACTIVE); 1734 } 1735 1736 1737 #define IFFBITS \ 1738 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 1739 \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 1740 1741 #define IFCAPBITS \ 1742 "\020\1IP4CSUM\2TCP4CSUM\3UDP4CSUM\4TCP6CSUM\5UDP6CSUM\6TCP4CSUM_Rx\7UDP4CSUM_Rx\10TSO4" 1743 1744 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1745 1746 const struct ifmedia_status_description ifm_status_descriptions[] = 1747 IFM_STATUS_DESCRIPTIONS; 1748 1749 /* 1750 * Print the status of the interface. If an address family was 1751 * specified, show it and it only; otherwise, show them all. 1752 */ 1753 void 1754 status(const struct sockaddr_dl *sdl) 1755 { 1756 struct afswtch *p = afp; 1757 struct ifmediareq ifmr; 1758 struct ifdatareq ifdr; 1759 int *media_list, i; 1760 char hbuf[NI_MAXHOST]; 1761 char fbuf[BUFSIZ]; 1762 1763 (void)snprintb(fbuf, sizeof(fbuf), IFFBITS, flags); 1764 printf("%s: flags=%s", name, &fbuf[2]); 1765 if (metric) 1766 printf(" metric %lu", metric); 1767 if (mtu) 1768 printf(" mtu %lu", mtu); 1769 printf("\n"); 1770 1771 if (g_ifcr.ifcr_capabilities) { 1772 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 1773 g_ifcr.ifcr_capabilities); 1774 printf("\tcapabilities=%s\n", &fbuf[2]); 1775 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 1776 g_ifcr.ifcr_capenable); 1777 printf("\tenabled=%s\n", &fbuf[2]); 1778 } 1779 1780 ieee80211_status(); 1781 vlan_status(); 1782 tunnel_status(); 1783 agr_status(); 1784 1785 if (sdl != NULL && 1786 getnameinfo((const struct sockaddr *)sdl, sdl->sdl_len, 1787 hbuf, sizeof(hbuf), NULL, 0, NI_NUMERICHOST) == 0 && 1788 hbuf[0] != '\0') 1789 printf("\taddress: %s\n", hbuf); 1790 1791 (void) memset(&ifmr, 0, sizeof(ifmr)); 1792 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1793 1794 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1795 /* 1796 * Interface doesn't support SIOC{G,S}IFMEDIA. 1797 */ 1798 goto iface_stats; 1799 } 1800 1801 if (ifmr.ifm_count == 0) { 1802 warnx("%s: no media types?", name); 1803 goto iface_stats; 1804 } 1805 1806 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1807 if (media_list == NULL) 1808 err(EXIT_FAILURE, "malloc"); 1809 ifmr.ifm_ulist = media_list; 1810 1811 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) 1812 err(EXIT_FAILURE, "SIOCGIFMEDIA"); 1813 1814 printf("\tmedia: %s ", get_media_type_string(ifmr.ifm_current)); 1815 print_media_word(ifmr.ifm_current, " "); 1816 if (ifmr.ifm_active != ifmr.ifm_current) { 1817 printf(" ("); 1818 print_media_word(ifmr.ifm_active, " "); 1819 printf(")"); 1820 } 1821 printf("\n"); 1822 1823 if (ifmr.ifm_status & IFM_STATUS_VALID) { 1824 const struct ifmedia_status_description *ifms; 1825 int bitno, found = 0; 1826 1827 printf("\tstatus: "); 1828 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 1829 for (ifms = ifm_status_descriptions; 1830 ifms->ifms_valid != 0; ifms++) { 1831 if (ifms->ifms_type != 1832 IFM_TYPE(ifmr.ifm_current) || 1833 ifms->ifms_valid != 1834 ifm_status_valid_list[bitno]) 1835 continue; 1836 printf("%s%s", found ? ", " : "", 1837 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 1838 found = 1; 1839 1840 /* 1841 * For each valid indicator bit, there's 1842 * only one entry for each media type, so 1843 * terminate the inner loop now. 1844 */ 1845 break; 1846 } 1847 } 1848 1849 if (found == 0) 1850 printf("unknown"); 1851 printf("\n"); 1852 } 1853 1854 if (mflag) { 1855 int type, printed_type; 1856 1857 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 1858 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 1859 if (IFM_TYPE(media_list[i]) != type) 1860 continue; 1861 if (printed_type == 0) { 1862 printf("\tsupported %s media:\n", 1863 get_media_type_string(type)); 1864 printed_type = 1; 1865 } 1866 printf("\t\tmedia "); 1867 print_media_word(media_list[i], " mediaopt "); 1868 printf("\n"); 1869 } 1870 } 1871 } 1872 1873 free(media_list); 1874 1875 iface_stats: 1876 if (!vflag && !zflag) 1877 goto proto_status; 1878 1879 (void) strncpy(ifdr.ifdr_name, name, sizeof(ifdr.ifdr_name)); 1880 1881 if (ioctl(s, zflag ? SIOCZIFDATA:SIOCGIFDATA, &ifdr) == -1) { 1882 err(EXIT_FAILURE, zflag ? "SIOCZIFDATA" : "SIOCGIFDATA"); 1883 } else { 1884 struct if_data * const ifi = &ifdr.ifdr_data; 1885 #define PLURAL(n) ((n) == 1 ? "" : "s") 1886 printf("\tinput: %llu packet%s, %llu byte%s", 1887 (unsigned long long) ifi->ifi_ipackets, 1888 PLURAL(ifi->ifi_ipackets), 1889 (unsigned long long) ifi->ifi_ibytes, 1890 PLURAL(ifi->ifi_ibytes)); 1891 if (ifi->ifi_imcasts) 1892 printf(", %llu multicast%s", 1893 (unsigned long long) ifi->ifi_imcasts, 1894 PLURAL(ifi->ifi_imcasts)); 1895 if (ifi->ifi_ierrors) 1896 printf(", %llu error%s", 1897 (unsigned long long) ifi->ifi_ierrors, 1898 PLURAL(ifi->ifi_ierrors)); 1899 if (ifi->ifi_iqdrops) 1900 printf(", %llu queue drop%s", 1901 (unsigned long long) ifi->ifi_iqdrops, 1902 PLURAL(ifi->ifi_iqdrops)); 1903 if (ifi->ifi_noproto) 1904 printf(", %llu unknown protocol", 1905 (unsigned long long) ifi->ifi_noproto); 1906 printf("\n\toutput: %llu packet%s, %llu byte%s", 1907 (unsigned long long) ifi->ifi_opackets, 1908 PLURAL(ifi->ifi_opackets), 1909 (unsigned long long) ifi->ifi_obytes, 1910 PLURAL(ifi->ifi_obytes)); 1911 if (ifi->ifi_omcasts) 1912 printf(", %llu multicast%s", 1913 (unsigned long long) ifi->ifi_omcasts, 1914 PLURAL(ifi->ifi_omcasts)); 1915 if (ifi->ifi_oerrors) 1916 printf(", %llu error%s", 1917 (unsigned long long) ifi->ifi_oerrors, 1918 PLURAL(ifi->ifi_oerrors)); 1919 if (ifi->ifi_collisions) 1920 printf(", %llu collision%s", 1921 (unsigned long long) ifi->ifi_collisions, 1922 PLURAL(ifi->ifi_collisions)); 1923 printf("\n"); 1924 #undef PLURAL 1925 } 1926 1927 ieee80211_statistics(); 1928 1929 proto_status: 1930 if ((p = afp) != NULL) { 1931 (*p->af_status)(1); 1932 } else for (p = afs; p->af_name; p++) { 1933 ifr.ifr_addr.sa_family = p->af_af; 1934 (*p->af_status)(0); 1935 } 1936 } 1937 1938 void 1939 in_alias(struct ifreq *creq) 1940 { 1941 struct sockaddr_in *iasin; 1942 int alias; 1943 1944 if (lflag) 1945 return; 1946 1947 alias = 1; 1948 1949 /* Get the non-alias address for this interface. */ 1950 getsock(AF_INET); 1951 if (s < 0) { 1952 if (errno == EPROTONOSUPPORT) 1953 return; 1954 err(EXIT_FAILURE, "socket"); 1955 } 1956 (void) memset(&ifr, 0, sizeof(ifr)); 1957 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1958 if (ioctl(s, SIOCGIFADDR, &ifr) == -1) { 1959 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1960 return; 1961 } else 1962 warn("SIOCGIFADDR"); 1963 } 1964 /* If creq and ifr are the same address, this is not an alias. */ 1965 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 1966 sizeof(creq->ifr_addr)) == 0) 1967 alias = 0; 1968 (void) memset(&in_addreq, 0, sizeof(in_addreq)); 1969 (void) strncpy(in_addreq.ifra_name, name, sizeof(in_addreq.ifra_name)); 1970 memcpy(&in_addreq.ifra_addr, &creq->ifr_addr, 1971 sizeof(in_addreq.ifra_addr)); 1972 if (ioctl(s, SIOCGIFALIAS, &in_addreq) == -1) { 1973 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1974 return; 1975 } else 1976 warn("SIOCGIFALIAS"); 1977 } 1978 1979 iasin = &in_addreq.ifra_addr; 1980 printf("\tinet %s%s", alias ? "alias " : "", inet_ntoa(iasin->sin_addr)); 1981 1982 if (flags & IFF_POINTOPOINT) { 1983 iasin = &in_addreq.ifra_dstaddr; 1984 printf(" -> %s", inet_ntoa(iasin->sin_addr)); 1985 } 1986 1987 iasin = &in_addreq.ifra_mask; 1988 printf(" netmask 0x%x", ntohl(iasin->sin_addr.s_addr)); 1989 1990 if (flags & IFF_BROADCAST) { 1991 iasin = &in_addreq.ifra_broadaddr; 1992 printf(" broadcast %s", inet_ntoa(iasin->sin_addr)); 1993 } 1994 printf("\n"); 1995 } 1996 1997 void 1998 in_status(int force) 1999 { 2000 struct ifaddrs *ifap, *ifa; 2001 struct ifreq isifr; 2002 2003 if (getifaddrs(&ifap) != 0) 2004 err(EXIT_FAILURE, "getifaddrs"); 2005 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2006 if (strcmp(name, ifa->ifa_name) != 0) 2007 continue; 2008 if (ifa->ifa_addr->sa_family != AF_INET) 2009 continue; 2010 if (sizeof(isifr.ifr_addr) < ifa->ifa_addr->sa_len) 2011 continue; 2012 2013 memset(&isifr, 0, sizeof(isifr)); 2014 strncpy(isifr.ifr_name, ifa->ifa_name, sizeof(isifr.ifr_name)); 2015 memcpy(&isifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2016 in_alias(&isifr); 2017 } 2018 freeifaddrs(ifap); 2019 } 2020 2021 void 2022 setifprefixlen(const char *addr, int d) 2023 { 2024 if (*afp->af_getprefix) 2025 (*afp->af_getprefix)(addr, MASK); 2026 explicit_prefix = 1; 2027 } 2028 2029 #ifdef INET6 2030 void 2031 in6_fillscopeid(struct sockaddr_in6 *sin6) 2032 { 2033 #if defined(__KAME__) && defined(KAME_SCOPEID) 2034 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 2035 sin6->sin6_scope_id = 2036 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 2037 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 2038 } 2039 #endif 2040 } 2041 2042 /* XXX not really an alias */ 2043 void 2044 in6_alias(struct in6_ifreq *creq) 2045 { 2046 struct sockaddr_in6 *sin6; 2047 char hbuf[NI_MAXHOST]; 2048 u_int32_t scopeid; 2049 const int niflag = NI_NUMERICHOST; 2050 2051 /* Get the non-alias address for this interface. */ 2052 getsock(AF_INET6); 2053 if (s < 0) { 2054 if (errno == EPROTONOSUPPORT) 2055 return; 2056 err(EXIT_FAILURE, "socket"); 2057 } 2058 2059 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 2060 2061 in6_fillscopeid(sin6); 2062 scopeid = sin6->sin6_scope_id; 2063 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2064 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2065 strlcpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2066 printf("\tinet6 %s", hbuf); 2067 2068 if (flags & IFF_POINTOPOINT) { 2069 (void) memset(&ifr6, 0, sizeof(ifr6)); 2070 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2071 ifr6.ifr_addr = creq->ifr_addr; 2072 if (ioctl(s, SIOCGIFDSTADDR_IN6, &ifr6) == -1) { 2073 if (errno != EADDRNOTAVAIL) 2074 warn("SIOCGIFDSTADDR_IN6"); 2075 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 2076 ifr6.ifr_addr.sin6_family = AF_INET6; 2077 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 2078 } 2079 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2080 in6_fillscopeid(sin6); 2081 hbuf[0] = '\0'; 2082 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2083 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2084 strlcpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2085 printf(" -> %s", hbuf); 2086 } 2087 2088 (void) memset(&ifr6, 0, sizeof(ifr6)); 2089 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2090 ifr6.ifr_addr = creq->ifr_addr; 2091 if (ioctl(s, SIOCGIFNETMASK_IN6, &ifr6) == -1) { 2092 if (errno != EADDRNOTAVAIL) 2093 warn("SIOCGIFNETMASK_IN6"); 2094 } else { 2095 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2096 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 2097 sizeof(struct in6_addr))); 2098 } 2099 2100 (void) memset(&ifr6, 0, sizeof(ifr6)); 2101 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2102 ifr6.ifr_addr = creq->ifr_addr; 2103 if (ioctl(s, SIOCGIFAFLAG_IN6, &ifr6) == -1) { 2104 if (errno != EADDRNOTAVAIL) 2105 warn("SIOCGIFAFLAG_IN6"); 2106 } else { 2107 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 2108 printf(" anycast"); 2109 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 2110 printf(" tentative"); 2111 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 2112 printf(" duplicated"); 2113 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 2114 printf(" detached"); 2115 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DEPRECATED) 2116 printf(" deprecated"); 2117 } 2118 2119 if (scopeid) 2120 printf(" scopeid 0x%x", scopeid); 2121 2122 if (Lflag) { 2123 struct in6_addrlifetime *lifetime; 2124 (void) memset(&ifr6, 0, sizeof(ifr6)); 2125 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2126 ifr6.ifr_addr = creq->ifr_addr; 2127 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 2128 if (ioctl(s, SIOCGIFALIFETIME_IN6, &ifr6) == -1) { 2129 if (errno != EADDRNOTAVAIL) 2130 warn("SIOCGIFALIFETIME_IN6"); 2131 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 2132 time_t t = time(NULL); 2133 printf(" pltime "); 2134 if (lifetime->ia6t_preferred) { 2135 printf("%s", lifetime->ia6t_preferred < t 2136 ? "0" 2137 : sec2str(lifetime->ia6t_preferred - t)); 2138 } else 2139 printf("infty"); 2140 2141 printf(" vltime "); 2142 if (lifetime->ia6t_expire) { 2143 printf("%s", lifetime->ia6t_expire < t 2144 ? "0" 2145 : sec2str(lifetime->ia6t_expire - t)); 2146 } else 2147 printf("infty"); 2148 } 2149 } 2150 2151 printf("\n"); 2152 } 2153 2154 void 2155 in6_status(int force) 2156 { 2157 struct ifaddrs *ifap, *ifa; 2158 struct in6_ifreq isifr; 2159 2160 if (getifaddrs(&ifap) != 0) 2161 err(EXIT_FAILURE, "getifaddrs"); 2162 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2163 if (strcmp(name, ifa->ifa_name) != 0) 2164 continue; 2165 if (ifa->ifa_addr->sa_family != AF_INET6) 2166 continue; 2167 if (sizeof(isifr.ifr_addr) < ifa->ifa_addr->sa_len) 2168 continue; 2169 2170 memset(&isifr, 0, sizeof(isifr)); 2171 strncpy(isifr.ifr_name, ifa->ifa_name, sizeof(isifr.ifr_name)); 2172 memcpy(&isifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2173 in6_alias(&isifr); 2174 } 2175 freeifaddrs(ifap); 2176 } 2177 #endif /*INET6*/ 2178 2179 #ifndef INET_ONLY 2180 2181 void 2182 at_status(int force) 2183 { 2184 struct sockaddr_at *sat, null_sat; 2185 struct netrange *nr; 2186 2187 getsock(AF_APPLETALK); 2188 if (s < 0) { 2189 if (errno == EPROTONOSUPPORT) 2190 return; 2191 err(EXIT_FAILURE, "socket"); 2192 } 2193 (void) memset(&ifr, 0, sizeof(ifr)); 2194 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2195 if (ioctl(s, SIOCGIFADDR, &ifr) == -1) { 2196 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2197 if (!force) 2198 return; 2199 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2200 } else 2201 warn("SIOCGIFADDR"); 2202 } 2203 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2204 sat = (struct sockaddr_at *)&ifr.ifr_addr; 2205 2206 (void) memset(&null_sat, 0, sizeof(null_sat)); 2207 2208 nr = (struct netrange *) &sat->sat_zero; 2209 printf("\tatalk %d.%d range %d-%d phase %d", 2210 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2211 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 2212 if (flags & IFF_POINTOPOINT) { 2213 if (ioctl(s, SIOCGIFDSTADDR, &ifr) == -1) { 2214 if (errno == EADDRNOTAVAIL) 2215 (void) memset(&ifr.ifr_addr, 0, 2216 sizeof(ifr.ifr_addr)); 2217 else 2218 warn("SIOCGIFDSTADDR"); 2219 } 2220 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2221 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 2222 if (!sat) 2223 sat = &null_sat; 2224 printf("--> %d.%d", 2225 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 2226 } 2227 if (flags & IFF_BROADCAST) { 2228 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 2229 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 2230 if (sat) 2231 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 2232 sat->sat_addr.s_node); 2233 } 2234 printf("\n"); 2235 } 2236 2237 void 2238 xns_status(int force) 2239 { 2240 struct sockaddr_ns *sns; 2241 2242 getsock(AF_NS); 2243 if (s < 0) { 2244 if (errno == EPROTONOSUPPORT) 2245 return; 2246 err(EXIT_FAILURE, "socket"); 2247 } 2248 (void) memset(&ifr, 0, sizeof(ifr)); 2249 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2250 if (ioctl(s, SIOCGIFADDR, &ifr) == -1) { 2251 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2252 if (!force) 2253 return; 2254 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2255 } else 2256 warn("SIOCGIFADDR"); 2257 } 2258 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2259 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 2260 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 2261 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 2262 if (ioctl(s, SIOCGIFDSTADDR, &ifr) == -1) { 2263 if (errno == EADDRNOTAVAIL) 2264 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2265 else 2266 warn("SIOCGIFDSTADDR"); 2267 } 2268 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2269 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 2270 printf("--> %s ", ns_ntoa(sns->sns_addr)); 2271 } 2272 printf("\n"); 2273 } 2274 2275 void 2276 iso_status(int force) 2277 { 2278 struct sockaddr_iso *siso; 2279 struct iso_ifreq isoifr; 2280 2281 getsock(AF_ISO); 2282 if (s < 0) { 2283 if (errno == EPROTONOSUPPORT) 2284 return; 2285 err(EXIT_FAILURE, "socket"); 2286 } 2287 (void) memset(&isoifr, 0, sizeof(isoifr)); 2288 (void) strncpy(isoifr.ifr_name, name, sizeof(isoifr.ifr_name)); 2289 if (ioctl(s, SIOCGIFADDR_ISO, &isoifr) == -1) { 2290 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2291 if (!force) 2292 return; 2293 (void) memset(&isoifr.ifr_Addr, 0, 2294 sizeof(isoifr.ifr_Addr)); 2295 } else 2296 warn("SIOCGIFADDR_ISO"); 2297 } 2298 (void) strncpy(isoifr.ifr_name, name, sizeof isoifr.ifr_name); 2299 siso = &isoifr.ifr_Addr; 2300 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 2301 if (ioctl(s, SIOCGIFNETMASK_ISO, &isoifr) == -1) { 2302 if (errno == EADDRNOTAVAIL) 2303 memset(&isoifr.ifr_Addr, 0, sizeof(isoifr.ifr_Addr)); 2304 else 2305 warn("SIOCGIFNETMASK_ISO"); 2306 } else { 2307 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 2308 siso->siso_addr.isoa_len = siso->siso_len 2309 - offsetof(struct sockaddr_iso, siso_addr); 2310 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 2311 } 2312 if (flags & IFF_POINTOPOINT) { 2313 if (ioctl(s, SIOCGIFDSTADDR_ISO, &isoifr) == -1) { 2314 if (errno == EADDRNOTAVAIL) 2315 memset(&isoifr.ifr_Addr, 0, 2316 sizeof(isoifr.ifr_Addr)); 2317 else 2318 warn("SIOCGIFDSTADDR_ISO"); 2319 } 2320 (void) strncpy(isoifr.ifr_name, name, sizeof (isoifr.ifr_name)); 2321 siso = &isoifr.ifr_Addr; 2322 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 2323 } 2324 printf("\n"); 2325 } 2326 2327 #endif /* INET_ONLY */ 2328 2329 #define SIN(x) ((struct sockaddr_in *) &(x)) 2330 struct sockaddr_in *sintab[] = { 2331 SIN(ridreq.ifr_addr), SIN(in_addreq.ifra_addr), 2332 SIN(in_addreq.ifra_mask), SIN(in_addreq.ifra_broadaddr)}; 2333 2334 void 2335 in_getaddr(const char *str, int which) 2336 { 2337 struct sockaddr_in *gasin = sintab[which]; 2338 struct hostent *hp; 2339 struct netent *np; 2340 2341 gasin->sin_len = sizeof(*gasin); 2342 if (which != MASK) 2343 gasin->sin_family = AF_INET; 2344 2345 if (which == ADDR) { 2346 char *p = NULL; 2347 if ((p = strrchr(str, '/')) != NULL) { 2348 *p = '\0'; 2349 in_getprefix(p + 1, MASK); 2350 } 2351 } 2352 2353 if (inet_aton(str, &gasin->sin_addr) == 0) { 2354 if ((hp = gethostbyname(str)) != NULL) 2355 (void) memcpy(&gasin->sin_addr, hp->h_addr, hp->h_length); 2356 else if ((np = getnetbyname(str)) != NULL) 2357 gasin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 2358 else 2359 errx(EXIT_FAILURE, "%s: bad value", str); 2360 } 2361 } 2362 2363 void 2364 in_getprefix(const char *plen, int which) 2365 { 2366 struct sockaddr_in *igsin = sintab[which]; 2367 u_char *cp; 2368 int len = strtol(plen, (char **)NULL, 10); 2369 2370 if ((len < 0) || (len > 32)) 2371 errx(EXIT_FAILURE, "%s: bad value", plen); 2372 igsin->sin_len = sizeof(*igsin); 2373 if (which != MASK) 2374 igsin->sin_family = AF_INET; 2375 if ((len == 0) || (len == 32)) { 2376 memset(&igsin->sin_addr, 0xff, sizeof(struct in_addr)); 2377 return; 2378 } 2379 memset((void *)&igsin->sin_addr, 0x00, sizeof(igsin->sin_addr)); 2380 for (cp = (u_char *)&igsin->sin_addr; len > 7; len -= 8) 2381 *cp++ = 0xff; 2382 if (len) 2383 *cp = 0xff << (8 - len); 2384 } 2385 2386 #ifdef INET6 2387 #define SIN6(x) ((struct sockaddr_in6 *) &(x)) 2388 struct sockaddr_in6 *sin6tab[] = { 2389 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 2390 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 2391 2392 void 2393 in6_getaddr(const char *str, int which) 2394 { 2395 #if defined(__KAME__) && defined(KAME_SCOPEID) 2396 struct sockaddr_in6 *sin6 = sin6tab[which]; 2397 struct addrinfo hints, *res; 2398 int error; 2399 char *slash = NULL; 2400 2401 if (which == ADDR) { 2402 if ((slash = strrchr(str, '/')) != NULL) 2403 *slash = '\0'; 2404 } 2405 2406 memset(&hints, 0, sizeof(hints)); 2407 hints.ai_family = AF_INET6; 2408 hints.ai_socktype = SOCK_DGRAM; 2409 #if 0 /* in_getaddr() allows FQDN */ 2410 hints.ai_flags = AI_NUMERICHOST; 2411 #endif 2412 error = getaddrinfo(str, "0", &hints, &res); 2413 if (error && slash) { 2414 /* try again treating the '/' as part of the name */ 2415 *slash = '/'; 2416 slash = NULL; 2417 error = getaddrinfo(str, "0", &hints, &res); 2418 } 2419 if (error) 2420 errx(EXIT_FAILURE, "%s: %s", str, gai_strerror(error)); 2421 if (res->ai_next) 2422 errx(EXIT_FAILURE, "%s: resolved to multiple addresses", str); 2423 if (res->ai_addrlen != sizeof(struct sockaddr_in6)) 2424 errx(EXIT_FAILURE, "%s: bad value", str); 2425 memcpy(sin6, res->ai_addr, res->ai_addrlen); 2426 freeaddrinfo(res); 2427 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) { 2428 *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = 2429 htons(sin6->sin6_scope_id); 2430 sin6->sin6_scope_id = 0; 2431 } 2432 if (slash) { 2433 in6_getprefix(slash + 1, MASK); 2434 explicit_prefix = 1; 2435 } 2436 #else 2437 struct sockaddr_in6 *gasin = sin6tab[which]; 2438 2439 gasin->sin6_len = sizeof(*gasin); 2440 if (which != MASK) 2441 gasin->sin6_family = AF_INET6; 2442 2443 if (which == ADDR) { 2444 char *p = NULL; 2445 if((p = strrchr(str, '/')) != NULL) { 2446 *p = '\0'; 2447 in6_getprefix(p + 1, MASK); 2448 explicit_prefix = 1; 2449 } 2450 } 2451 2452 if (inet_pton(AF_INET6, str, &gasin->sin6_addr) != 1) 2453 errx(EXIT_FAILURE, "%s: bad value", str); 2454 #endif 2455 } 2456 2457 void 2458 in6_getprefix(const char *plen, int which) 2459 { 2460 struct sockaddr_in6 *gpsin = sin6tab[which]; 2461 u_char *cp; 2462 int len = strtol(plen, (char **)NULL, 10); 2463 2464 if ((len < 0) || (len > 128)) 2465 errx(EXIT_FAILURE, "%s: bad value", plen); 2466 gpsin->sin6_len = sizeof(*gpsin); 2467 if (which != MASK) 2468 gpsin->sin6_family = AF_INET6; 2469 if ((len == 0) || (len == 128)) { 2470 memset(&gpsin->sin6_addr, 0xff, sizeof(struct in6_addr)); 2471 return; 2472 } 2473 memset((void *)&gpsin->sin6_addr, 0x00, sizeof(gpsin->sin6_addr)); 2474 for (cp = (u_char *)&gpsin->sin6_addr; len > 7; len -= 8) 2475 *cp++ = 0xff; 2476 if (len) 2477 *cp = 0xff << (8 - len); 2478 } 2479 2480 int 2481 prefix(void *val, int size) 2482 { 2483 u_char *pname = (u_char *)val; 2484 int byte, bit, plen = 0; 2485 2486 for (byte = 0; byte < size; byte++, plen += 8) 2487 if (pname[byte] != 0xff) 2488 break; 2489 if (byte == size) 2490 return (plen); 2491 for (bit = 7; bit != 0; bit--, plen++) 2492 if (!(pname[byte] & (1 << bit))) 2493 break; 2494 for (; bit != 0; bit--) 2495 if (pname[byte] & (1 << bit)) 2496 return(0); 2497 byte++; 2498 for (; byte < size; byte++) 2499 if (pname[byte]) 2500 return(0); 2501 return (plen); 2502 } 2503 #endif /*INET6*/ 2504 2505 #ifndef INET_ONLY 2506 void 2507 at_getaddr(const char *addr, int which) 2508 { 2509 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 2510 u_int net, node; 2511 2512 sat->sat_family = AF_APPLETALK; 2513 sat->sat_len = sizeof(*sat); 2514 if (which == MASK) 2515 errx(EXIT_FAILURE, "AppleTalk does not use netmasks"); 2516 if (sscanf(addr, "%u.%u", &net, &node) != 2 2517 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 2518 errx(EXIT_FAILURE, "%s: illegal address", addr); 2519 sat->sat_addr.s_net = htons(net); 2520 sat->sat_addr.s_node = node; 2521 } 2522 2523 void 2524 setatrange(const char *range, int d) 2525 { 2526 u_short first = 123, last = 123; 2527 2528 if (sscanf(range, "%hu-%hu", &first, &last) != 2 2529 || first == 0 /* || first > 0xffff */ 2530 || last == 0 /* || last > 0xffff */ || first > last) 2531 errx(EXIT_FAILURE, "%s: illegal net range: %u-%u", range, 2532 first, last); 2533 at_nr.nr_firstnet = htons(first); 2534 at_nr.nr_lastnet = htons(last); 2535 } 2536 2537 void 2538 setatphase(const char *phase, int d) 2539 { 2540 if (!strcmp(phase, "1")) 2541 at_nr.nr_phase = 1; 2542 else if (!strcmp(phase, "2")) 2543 at_nr.nr_phase = 2; 2544 else 2545 errx(EXIT_FAILURE, "%s: illegal phase", phase); 2546 } 2547 2548 void 2549 checkatrange(struct sockaddr_at *sat) 2550 { 2551 if (at_nr.nr_phase == 0) 2552 at_nr.nr_phase = 2; /* Default phase 2 */ 2553 if (at_nr.nr_firstnet == 0) 2554 at_nr.nr_firstnet = /* Default range of one */ 2555 at_nr.nr_lastnet = sat->sat_addr.s_net; 2556 printf("\tatalk %d.%d range %d-%d phase %d\n", 2557 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2558 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 2559 if ((u_short) ntohs(at_nr.nr_firstnet) > 2560 (u_short) ntohs(sat->sat_addr.s_net) 2561 || (u_short) ntohs(at_nr.nr_lastnet) < 2562 (u_short) ntohs(sat->sat_addr.s_net)) 2563 errx(EXIT_FAILURE, "AppleTalk address is not in range"); 2564 *((struct netrange *) &sat->sat_zero) = at_nr; 2565 } 2566 2567 #define SNS(x) ((struct sockaddr_ns *) &(x)) 2568 struct sockaddr_ns *snstab[] = { 2569 SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 2570 SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 2571 2572 void 2573 xns_getaddr(const char *addr, int which) 2574 { 2575 struct sockaddr_ns *sns = snstab[which]; 2576 2577 sns->sns_family = AF_NS; 2578 sns->sns_len = sizeof(*sns); 2579 sns->sns_addr = ns_addr(addr); 2580 if (which == MASK) 2581 puts("Attempt to set XNS netmask will be ineffectual"); 2582 } 2583 2584 #define SISO(x) ((struct sockaddr_iso *) &(x)) 2585 struct sockaddr_iso *sisotab[] = { 2586 SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 2587 SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 2588 2589 void 2590 iso_getaddr(const char *addr, int which) 2591 { 2592 struct sockaddr_iso *siso = sisotab[which]; 2593 siso->siso_addr = *iso_addr(addr); 2594 2595 if (which == MASK) { 2596 siso->siso_len = TSEL(siso) - (char *)(siso); 2597 siso->siso_nlen = 0; 2598 } else { 2599 siso->siso_len = sizeof(*siso); 2600 siso->siso_family = AF_ISO; 2601 } 2602 } 2603 2604 void 2605 setsnpaoffset(const char *val, int d) 2606 { 2607 iso_addreq.ifra_snpaoffset = atoi(val); 2608 } 2609 2610 void 2611 setnsellength(const char *val, int d) 2612 { 2613 nsellength = atoi(val); 2614 if (nsellength < 0) 2615 errx(EXIT_FAILURE, "Negative NSEL length is absurd"); 2616 if (afp == 0 || afp->af_af != AF_ISO) 2617 errx(EXIT_FAILURE, "Setting NSEL length valid only for iso"); 2618 } 2619 2620 void 2621 fixnsel(struct sockaddr_iso *siso) 2622 { 2623 if (siso->siso_family == 0) 2624 return; 2625 siso->siso_tlen = nsellength; 2626 } 2627 2628 void 2629 adjust_nsellength(void) 2630 { 2631 fixnsel(sisotab[RIDADDR]); 2632 fixnsel(sisotab[ADDR]); 2633 fixnsel(sisotab[DSTADDR]); 2634 } 2635 2636 #endif /* INET_ONLY */ 2637 2638 void 2639 usage(void) 2640 { 2641 const char *progname = getprogname(); 2642 2643 fprintf(stderr, 2644 "usage: %s [-m] [-v] [-z] " 2645 #ifdef INET6 2646 "[-L] " 2647 #endif 2648 "interface\n" 2649 "\t[ af [ address [ dest_addr ] ] [ netmask mask ] [ prefixlen n ]\n" 2650 "\t\t[ alias | -alias ] ]\n" 2651 "\t[ up ] [ down ] [ metric n ] [ mtu n ]\n" 2652 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n" 2653 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n" 2654 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n" 2655 "\t[ arp | -arp ]\n" 2656 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] " 2657 "[ instance minst ]\n" 2658 "\t[ vlan n vlanif i ]\n" 2659 "\t[ agrport i ] [ -agrport i ]\n" 2660 "\t[ anycast | -anycast ] [ deprecated | -deprecated ]\n" 2661 "\t[ tentative | -tentative ] [ pltime n ] [ vltime n ] [ eui64 ]\n" 2662 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" 2663 " %s -a [-b] [-m] [-d] [-u] [-v] [-z] [ af ]\n" 2664 " %s -l [-b] [-d] [-u] [-s]\n" 2665 " %s -C\n" 2666 " %s interface create\n" 2667 " %s interface destroy\n", 2668 progname, progname, progname, progname, progname, progname); 2669 exit(1); 2670 } 2671 2672 #ifdef INET6 2673 char * 2674 sec2str(total) 2675 time_t total; 2676 { 2677 static char result[256]; 2678 int days, hours, mins, secs; 2679 int first = 1; 2680 char *p = result; 2681 char *end = &result[sizeof(result)]; 2682 int n; 2683 2684 if (0) { /*XXX*/ 2685 days = total / 3600 / 24; 2686 hours = (total / 3600) % 24; 2687 mins = (total / 60) % 60; 2688 secs = total % 60; 2689 2690 if (days) { 2691 first = 0; 2692 n = snprintf(p, end - p, "%dd", days); 2693 if (n < 0 || n >= end - p) 2694 return(result); 2695 p += n; 2696 } 2697 if (!first || hours) { 2698 first = 0; 2699 n = snprintf(p, end - p, "%dh", hours); 2700 if (n < 0 || n >= end - p) 2701 return(result); 2702 p += n; 2703 } 2704 if (!first || mins) { 2705 first = 0; 2706 n = snprintf(p, end - p, "%dm", mins); 2707 if (n < 0 || n >= end - p) 2708 return(result); 2709 p += n; 2710 } 2711 snprintf(p, end - p, "%ds", secs); 2712 } else 2713 snprintf(p, end - p, "%lu", (u_long)total); 2714 2715 return(result); 2716 } 2717 #endif 2718
Indexes created Sat Sep 27 22:09:54 GMT 2025