ifconfig.c revision 1.152.2.1
1 /* $NetBSD: ifconfig.c,v 1.152.2.1 2006/03/24 22:50:59 riz Exp $ */ 2 3 /*- 4 * Copyright (c) 1997, 1998, 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 /* 41 * Copyright (c) 1983, 1993 42 * The Regents of the University of California. All rights reserved. 43 * 44 * Redistribution and use in source and binary forms, with or without 45 * modification, are permitted provided that the following conditions 46 * are met: 47 * 1. Redistributions of source code must retain the above copyright 48 * notice, this list of conditions and the following disclaimer. 49 * 2. Redistributions in binary form must reproduce the above copyright 50 * notice, this list of conditions and the following disclaimer in the 51 * documentation and/or other materials provided with the distribution. 52 * 3. Neither the name of the University nor the names of its contributors 53 * may be used to endorse or promote products derived from this software 54 * without specific prior written permission. 55 * 56 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 57 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 58 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 59 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 60 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 61 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 62 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 63 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 64 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 65 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 66 * SUCH DAMAGE. 67 */ 68 69 #include <sys/cdefs.h> 70 #ifndef lint 71 __COPYRIGHT("@(#) Copyright (c) 1983, 1993\n\ 72 The Regents of the University of California. All rights reserved.\n"); 73 #endif /* not lint */ 74 75 #ifndef lint 76 #if 0 77 static char sccsid[] = "@(#)ifconfig.c 8.2 (Berkeley) 2/16/94"; 78 #else 79 __RCSID("$NetBSD: ifconfig.c,v 1.152.2.1 2006/03/24 22:50:59 riz Exp $"); 80 #endif 81 #endif /* not lint */ 82 83 #include <sys/param.h> 84 #include <sys/socket.h> 85 #include <sys/ioctl.h> 86 87 #include <net/if.h> 88 #include <net/if_dl.h> 89 #include <net/if_media.h> 90 #include <net/if_ether.h> 91 #include <net80211/ieee80211.h> 92 #include <net80211/ieee80211_ioctl.h> 93 #include <net/if_vlanvar.h> 94 #include <netinet/in.h> 95 #include <netinet/in_var.h> 96 #ifdef INET6 97 #include <netinet6/nd6.h> 98 #endif 99 #include <arpa/inet.h> 100 101 #include <netatalk/at.h> 102 103 #define NSIP 104 #include <netns/ns.h> 105 #include <netns/ns_if.h> 106 #include <netdb.h> 107 108 #define EON 109 #include <netiso/iso.h> 110 #include <netiso/iso_var.h> 111 #include <sys/protosw.h> 112 113 #include <ctype.h> 114 #include <err.h> 115 #include <errno.h> 116 #include <stddef.h> 117 #include <stdio.h> 118 #include <stdlib.h> 119 #include <string.h> 120 #include <unistd.h> 121 #include <ifaddrs.h> 122 #include <util.h> 123 124 struct ifreq ifr, ridreq; 125 struct ifaliasreq addreq __attribute__((aligned(4))); 126 struct in_aliasreq in_addreq; 127 #ifdef INET6 128 struct in6_ifreq ifr6; 129 struct in6_ifreq in6_ridreq; 130 struct in6_aliasreq in6_addreq; 131 #endif 132 struct iso_ifreq iso_ridreq; 133 struct iso_aliasreq iso_addreq; 134 struct sockaddr_in netmask; 135 struct netrange at_nr; /* AppleTalk net range */ 136 137 char name[30]; 138 u_short flags; 139 int setaddr, setipdst, doalias; 140 u_long metric, mtu; 141 int clearaddr, s; 142 int newaddr = -1; 143 int conflicting = 0; 144 int nsellength = 1; 145 int af; 146 int aflag, bflag, Cflag, dflag, lflag, mflag, sflag, uflag, vflag, zflag; 147 int hflag; 148 #ifdef INET6 149 int Lflag; 150 #endif 151 int explicit_prefix = 0; 152 u_int vlan_tag = (u_int)-1; 153 154 struct ifcapreq g_ifcr; 155 int g_ifcr_updated; 156 157 void notealias(const char *, int); 158 void notrailers(const char *, int); 159 void setifaddr(const char *, int); 160 void setifdstaddr(const char *, int); 161 void setifflags(const char *, int); 162 void setifcaps(const char *, int); 163 void setifbroadaddr(const char *, int); 164 void setifipdst(const char *, int); 165 void setifmetric(const char *, int); 166 void setifmtu(const char *, int); 167 void setifnwid(const char *, int); 168 void setifnwkey(const char *, int); 169 void setifbssid(const char *, int); 170 void setifchan(const char *, int); 171 void setifpowersave(const char *, int); 172 void setifpowersavesleep(const char *, int); 173 void setifnetmask(const char *, int); 174 void setifprefixlen(const char *, int); 175 void setnsellength(const char *, int); 176 void setsnpaoffset(const char *, int); 177 void setatrange(const char *, int); 178 void setatphase(const char *, int); 179 void settunnel(const char *, const char *); 180 void deletetunnel(const char *, int); 181 #ifdef INET6 182 void setia6flags(const char *, int); 183 void setia6pltime(const char *, int); 184 void setia6vltime(const char *, int); 185 void setia6lifetime(const char *, const char *); 186 void setia6eui64(const char *, int); 187 #endif 188 void checkatrange(struct sockaddr_at *); 189 void setmedia(const char *, int); 190 void setmediamode(const char *, int); 191 void setmediaopt(const char *, int); 192 void unsetmediaopt(const char *, int); 193 void setmediainst(const char *, int); 194 void clone_create(const char *, int); 195 void clone_destroy(const char *, int); 196 void fixnsel(struct sockaddr_iso *); 197 void setvlan(const char *, int); 198 void setvlanif(const char *, int); 199 void unsetvlanif(const char *, int); 200 int main(int, char *[]); 201 202 /* 203 * Media stuff. Whenever a media command is first performed, the 204 * currently select media is grabbed for this interface. If `media' 205 * is given, the current media word is modifed. `mediaopt' commands 206 * only modify the set and clear words. They then operate on the 207 * current media word later. 208 */ 209 int media_current; 210 int mediaopt_set; 211 int mediaopt_clear; 212 213 int actions; /* Actions performed */ 214 215 #define A_MEDIA 0x0001 /* media command */ 216 #define A_MEDIAOPTSET 0x0002 /* mediaopt command */ 217 #define A_MEDIAOPTCLR 0x0004 /* -mediaopt command */ 218 #define A_MEDIAOPT (A_MEDIAOPTSET|A_MEDIAOPTCLR) 219 #define A_MEDIAINST 0x0008 /* instance or inst command */ 220 #define A_MEDIAMODE 0x0010 /* mode command */ 221 222 #define NEXTARG 0xffffff 223 #define NEXTARG2 0xfffffe 224 225 const struct cmd { 226 const char *c_name; 227 int c_parameter; /* NEXTARG means next argv */ 228 int c_action; /* defered action */ 229 void (*c_func)(const char *, int); 230 void (*c_func2)(const char *, const char *); 231 } cmds[] = { 232 { "up", IFF_UP, 0, setifflags } , 233 { "down", -IFF_UP, 0, setifflags }, 234 { "trailers", -1, 0, notrailers }, 235 { "-trailers", 1, 0, notrailers }, 236 { "arp", -IFF_NOARP, 0, setifflags }, 237 { "-arp", IFF_NOARP, 0, setifflags }, 238 { "debug", IFF_DEBUG, 0, setifflags }, 239 { "-debug", -IFF_DEBUG, 0, setifflags }, 240 { "alias", IFF_UP, 0, notealias }, 241 { "-alias", -IFF_UP, 0, notealias }, 242 { "delete", -IFF_UP, 0, notealias }, 243 #ifdef notdef 244 #define EN_SWABIPS 0x1000 245 { "swabips", EN_SWABIPS, 0, setifflags }, 246 { "-swabips", -EN_SWABIPS, 0, setifflags }, 247 #endif 248 { "netmask", NEXTARG, 0, setifnetmask }, 249 { "metric", NEXTARG, 0, setifmetric }, 250 { "mtu", NEXTARG, 0, setifmtu }, 251 { "bssid", NEXTARG, 0, setifbssid }, 252 { "-bssid", -1, 0, setifbssid }, 253 { "chan", NEXTARG, 0, setifchan }, 254 { "-chan", -1, 0, setifchan }, 255 { "ssid", NEXTARG, 0, setifnwid }, 256 { "nwid", NEXTARG, 0, setifnwid }, 257 { "nwkey", NEXTARG, 0, setifnwkey }, 258 { "-nwkey", -1, 0, setifnwkey }, 259 { "powersave", 1, 0, setifpowersave }, 260 { "-powersave", 0, 0, setifpowersave }, 261 { "powersavesleep", NEXTARG, 0, setifpowersavesleep }, 262 { "broadcast", NEXTARG, 0, setifbroadaddr }, 263 { "ipdst", NEXTARG, 0, setifipdst }, 264 { "prefixlen", NEXTARG, 0, setifprefixlen}, 265 #ifdef INET6 266 { "anycast", IN6_IFF_ANYCAST, 0, setia6flags }, 267 { "-anycast", -IN6_IFF_ANYCAST, 0, setia6flags }, 268 { "tentative", IN6_IFF_TENTATIVE, 0, setia6flags }, 269 { "-tentative", -IN6_IFF_TENTATIVE, 0, setia6flags }, 270 { "deprecated", IN6_IFF_DEPRECATED, 0, setia6flags }, 271 { "-deprecated", -IN6_IFF_DEPRECATED, 0, setia6flags }, 272 { "pltime", NEXTARG, 0, setia6pltime }, 273 { "vltime", NEXTARG, 0, setia6vltime }, 274 { "eui64", 0, 0, setia6eui64 }, 275 #endif /*INET6*/ 276 #ifndef INET_ONLY 277 { "range", NEXTARG, 0, setatrange }, 278 { "phase", NEXTARG, 0, setatphase }, 279 { "snpaoffset", NEXTARG, 0, setsnpaoffset }, 280 { "nsellength", NEXTARG, 0, setnsellength }, 281 #endif /* INET_ONLY */ 282 { "tunnel", NEXTARG2, 0, NULL, 283 settunnel } , 284 { "deletetunnel", 0, 0, deletetunnel }, 285 { "vlan", NEXTARG, 0, setvlan } , 286 { "vlanif", NEXTARG, 0, setvlanif } , 287 { "-vlanif", 0, 0, unsetvlanif } , 288 #if 0 289 /* XXX `create' special-cased below */ 290 { "create", 0, 0, clone_create } , 291 #endif 292 { "destroy", 0, 0, clone_destroy } , 293 { "link0", IFF_LINK0, 0, setifflags } , 294 { "-link0", -IFF_LINK0, 0, setifflags } , 295 { "link1", IFF_LINK1, 0, setifflags } , 296 { "-link1", -IFF_LINK1, 0, setifflags } , 297 { "link2", IFF_LINK2, 0, setifflags } , 298 { "-link2", -IFF_LINK2, 0, setifflags } , 299 { "media", NEXTARG, A_MEDIA, setmedia }, 300 { "mediaopt", NEXTARG, A_MEDIAOPTSET, setmediaopt }, 301 { "-mediaopt", NEXTARG, A_MEDIAOPTCLR, unsetmediaopt }, 302 { "mode", NEXTARG, A_MEDIAMODE, setmediamode }, 303 { "instance", NEXTARG, A_MEDIAINST, setmediainst }, 304 { "inst", NEXTARG, A_MEDIAINST, setmediainst }, 305 { "ip4csum", IFCAP_CSUM_IPv4,0, setifcaps }, 306 { "-ip4csum", -IFCAP_CSUM_IPv4,0, setifcaps }, 307 { "tcp4csum", IFCAP_CSUM_TCPv4,0, setifcaps }, 308 { "-tcp4csum", -IFCAP_CSUM_TCPv4,0, setifcaps }, 309 { "udp4csum", IFCAP_CSUM_UDPv4,0, setifcaps }, 310 { "-udp4csum", -IFCAP_CSUM_UDPv4,0, setifcaps }, 311 { "tcp6csum", IFCAP_CSUM_TCPv6,0, setifcaps }, 312 { "-tcp6csum", -IFCAP_CSUM_TCPv6,0, setifcaps }, 313 { "udp6csum", IFCAP_CSUM_UDPv6,0, setifcaps }, 314 { "-udp6csum", -IFCAP_CSUM_UDPv6,0, setifcaps }, 315 { "tcp4csum-rx",IFCAP_CSUM_TCPv4_Rx,0, setifcaps }, 316 { "-tcp4csum-rx",-IFCAP_CSUM_TCPv4_Rx,0, setifcaps }, 317 { "udp4csum-rx",IFCAP_CSUM_UDPv4_Rx,0, setifcaps }, 318 { "-udp4csum-rx",-IFCAP_CSUM_UDPv4_Rx,0, setifcaps }, 319 { "tso4", IFCAP_TSOv4, 0, setifcaps }, 320 { "-tso4", -IFCAP_TSOv4, 0, setifcaps }, 321 { 0, 0, 0, setifaddr }, 322 { 0, 0, 0, setifdstaddr }, 323 }; 324 325 void adjust_nsellength(void); 326 int getinfo(struct ifreq *); 327 int carrier(void); 328 void getsock(int); 329 void printall(const char *); 330 void list_cloners(void); 331 int prefix(void *, int); 332 void status(const struct sockaddr_dl *); 333 void usage(void); 334 const char *get_string(const char *, const char *, u_int8_t *, int *); 335 void print_string(const u_int8_t *, int); 336 char *sec2str(time_t); 337 338 void print_media_word(int, const char *); 339 void process_media_commands(void); 340 void init_current_media(void); 341 342 /* 343 * XNS support liberally adapted from code written at the University of 344 * Maryland principally by James O'Toole and Chris Torek. 345 */ 346 void in_alias(struct ifreq *); 347 void in_status(int); 348 void in_getaddr(const char *, int); 349 void in_getprefix(const char *, int); 350 #ifdef INET6 351 void in6_fillscopeid(struct sockaddr_in6 *sin6); 352 void in6_alias(struct in6_ifreq *); 353 void in6_status(int); 354 void in6_getaddr(const char *, int); 355 void in6_getprefix(const char *, int); 356 #endif 357 void at_status(int); 358 void at_getaddr(const char *, int); 359 void xns_status(int); 360 void xns_getaddr(const char *, int); 361 void iso_status(int); 362 void iso_getaddr(const char *, int); 363 364 void ieee80211_statistics(void); 365 void ieee80211_status(void); 366 void tunnel_status(void); 367 void vlan_status(void); 368 369 /* Known address families */ 370 struct afswtch { 371 const char *af_name; 372 short af_af; 373 void (*af_status)(int); 374 void (*af_getaddr)(const char *, int); 375 void (*af_getprefix)(const char *, int); 376 u_long af_difaddr; 377 u_long af_aifaddr; 378 u_long af_gifaddr; 379 void *af_ridreq; 380 void *af_addreq; 381 } afs[] = { 382 { "inet", AF_INET, in_status, in_getaddr, in_getprefix, 383 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, &ridreq, &in_addreq }, 384 #ifdef INET6 385 { "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix, 386 SIOCDIFADDR_IN6, SIOCAIFADDR_IN6, 387 /* 388 * Deleting the first address before setting new one is 389 * not prefered way in this protocol. 390 */ 391 0, 392 &in6_ridreq, &in6_addreq }, 393 #endif 394 #ifndef INET_ONLY /* small version, for boot media */ 395 { "atalk", AF_APPLETALK, at_status, at_getaddr, NULL, 396 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, &addreq, &addreq }, 397 { "ns", AF_NS, xns_status, xns_getaddr, NULL, 398 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, &ridreq, &addreq }, 399 { "iso", AF_ISO, iso_status, iso_getaddr, NULL, 400 SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, SIOCGIFADDR_ISO, 401 &iso_ridreq, &iso_addreq }, 402 #endif /* INET_ONLY */ 403 { 0, 0, 0, 0 } 404 }; 405 406 struct afswtch *afp; /*the address family being set or asked about*/ 407 408 struct afswtch *lookup_af(const char *); 409 410 int 411 main(int argc, char *argv[]) 412 { 413 int ch; 414 415 /* Parse command-line options */ 416 aflag = mflag = vflag = zflag = 0; 417 while ((ch = getopt(argc, argv, "AabCdhlmsuvz" 418 #ifdef INET6 419 "L" 420 #endif 421 )) != -1) { 422 switch (ch) { 423 case 'A': 424 warnx("-A is deprecated"); 425 break; 426 427 case 'a': 428 aflag = 1; 429 break; 430 431 case 'b': 432 bflag = 1; 433 break; 434 435 case 'C': 436 Cflag = 1; 437 break; 438 439 case 'd': 440 dflag = 1; 441 break; 442 case 'h': 443 hflag = 1; 444 break; 445 #ifdef INET6 446 case 'L': 447 Lflag = 1; 448 break; 449 #endif 450 451 case 'l': 452 lflag = 1; 453 break; 454 455 case 'm': 456 mflag = 1; 457 break; 458 459 case 's': 460 sflag = 1; 461 break; 462 463 case 'u': 464 uflag = 1; 465 break; 466 467 case 'v': 468 vflag = 1; 469 break; 470 471 case 'z': 472 zflag = 1; 473 break; 474 475 476 default: 477 usage(); 478 /* NOTREACHED */ 479 } 480 } 481 argc -= optind; 482 argv += optind; 483 484 /* 485 * -l means "list all interfaces", and is mutally exclusive with 486 * all other flags/commands. 487 * 488 * -C means "list all names of cloners", and it mutually exclusive 489 * with all other flags/commands. 490 * 491 * -a means "print status of all interfaces". 492 */ 493 if ((lflag || Cflag) && (aflag || mflag || vflag || argc || zflag)) 494 usage(); 495 #ifdef INET6 496 if ((lflag || Cflag) && Lflag) 497 usage(); 498 #endif 499 if (lflag && Cflag) 500 usage(); 501 if (Cflag) { 502 if (argc) 503 usage(); 504 list_cloners(); 505 exit(0); 506 } 507 if (aflag || lflag) { 508 if (argc > 1) 509 usage(); 510 else if (argc == 1) { 511 afp = lookup_af(argv[0]); 512 if (afp == NULL) 513 usage(); 514 } 515 if (afp) 516 af = ifr.ifr_addr.sa_family = afp->af_af; 517 else 518 af = ifr.ifr_addr.sa_family = afs[0].af_af; 519 printall(NULL); 520 exit(0); 521 } 522 523 /* Make sure there's an interface name. */ 524 if (argc < 1) 525 usage(); 526 if (strlcpy(name, argv[0], sizeof(name)) >= sizeof(name)) 527 errx(1, "interface name '%s' too long", argv[0]); 528 argc--; argv++; 529 530 /* 531 * NOTE: We must special-case the `create' command right 532 * here as we would otherwise fail in getinfo(). 533 */ 534 if (argc > 0 && strcmp(argv[0], "create") == 0) { 535 clone_create(argv[0], 0); 536 argc--, argv++; 537 if (argc == 0) 538 exit(0); 539 } 540 541 /* Check for address family. */ 542 afp = NULL; 543 if (argc > 0) { 544 afp = lookup_af(argv[0]); 545 if (afp != NULL) { 546 argv++; 547 argc--; 548 } 549 } 550 551 /* Initialize af, just for use in getinfo(). */ 552 if (afp == NULL) 553 af = afs->af_af; 554 else 555 af = afp->af_af; 556 557 /* Get information about the interface. */ 558 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 559 if (getinfo(&ifr) < 0) 560 exit(1); 561 562 if (sflag) { 563 if (argc != 0) 564 usage(); 565 else 566 exit(carrier()); 567 } 568 569 /* No more arguments means interface status. */ 570 if (argc == 0) { 571 printall(name); 572 exit(0); 573 } 574 575 /* The following operations assume inet family as the default. */ 576 if (afp == NULL) 577 afp = afs; 578 af = ifr.ifr_addr.sa_family = afp->af_af; 579 580 #ifdef INET6 581 /* initialization */ 582 in6_addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; 583 in6_addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; 584 #endif 585 586 /* Process commands. */ 587 while (argc > 0) { 588 const struct cmd *p; 589 590 for (p = cmds; p->c_name; p++) 591 if (strcmp(argv[0], p->c_name) == 0) 592 break; 593 if (p->c_name == 0 && setaddr) { 594 if ((flags & IFF_POINTOPOINT) == 0) { 595 errx(EXIT_FAILURE, 596 "can't set destination address %s", 597 "on non-point-to-point link"); 598 } 599 p++; /* got src, do dst */ 600 } 601 if (p->c_func != NULL || p->c_func2 != NULL) { 602 if (p->c_parameter == NEXTARG) { 603 if (argc < 2) 604 errx(EXIT_FAILURE, 605 "'%s' requires argument", 606 p->c_name); 607 (*p->c_func)(argv[1], 0); 608 argc--, argv++; 609 } else if (p->c_parameter == NEXTARG2) { 610 if (argc < 3) 611 errx(EXIT_FAILURE, 612 "'%s' requires 2 arguments", 613 p->c_name); 614 (*p->c_func2)(argv[1], argv[2]); 615 argc -= 2, argv += 2; 616 } else 617 (*p->c_func)(argv[0], p->c_parameter); 618 actions |= p->c_action; 619 } 620 argc--, argv++; 621 } 622 623 /* 624 * See if multiple alias, -alias, or delete commands were 625 * specified. More than one constitutes an invalid command line 626 */ 627 628 if (conflicting > 1) 629 errx(EXIT_FAILURE, 630 "Only one use of alias, -alias or delete is valid."); 631 632 /* Process any media commands that may have been issued. */ 633 process_media_commands(); 634 635 if (af == AF_INET6 && explicit_prefix == 0) { 636 /* 637 * Aggregatable address architecture defines all prefixes 638 * are 64. So, it is convenient to set prefixlen to 64 if 639 * it is not specified. 640 */ 641 setifprefixlen("64", 0); 642 /* in6_getprefix("64", MASK) if MASK is available here... */ 643 } 644 645 #ifndef INET_ONLY 646 if (af == AF_ISO) 647 adjust_nsellength(); 648 649 if (af == AF_APPLETALK) 650 checkatrange((struct sockaddr_at *) &addreq.ifra_addr); 651 652 if (setipdst && af==AF_NS) { 653 struct nsip_req rq; 654 int size = sizeof(rq); 655 656 rq.rq_ns = addreq.ifra_addr; 657 rq.rq_ip = addreq.ifra_dstaddr; 658 659 if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0) 660 warn("encapsulation routing"); 661 } 662 663 #endif /* INET_ONLY */ 664 665 if (clearaddr) { 666 (void) strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name); 667 if (ioctl(s, afp->af_difaddr, afp->af_ridreq) == -1) 668 err(EXIT_FAILURE, "SIOCDIFADDR"); 669 } 670 if (newaddr > 0) { 671 (void) strncpy(afp->af_addreq, name, sizeof ifr.ifr_name); 672 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) == -1) 673 warn("SIOCAIFADDR"); 674 } 675 676 if (g_ifcr_updated) { 677 (void) strncpy(g_ifcr.ifcr_name, name, 678 sizeof(g_ifcr.ifcr_name)); 679 if (ioctl(s, SIOCSIFCAP, &g_ifcr) == -1) 680 err(EXIT_FAILURE, "SIOCSIFCAP"); 681 } 682 683 exit(0); 684 } 685 686 struct afswtch * 687 lookup_af(const char *cp) 688 { 689 struct afswtch *a; 690 691 for (a = afs; a->af_name != NULL; a++) 692 if (strcmp(a->af_name, cp) == 0) 693 return (a); 694 return (NULL); 695 } 696 697 void 698 getsock(int naf) 699 { 700 static int oaf = -1; 701 702 if (oaf == naf) 703 return; 704 if (oaf != -1) 705 close(s); 706 s = socket(naf, SOCK_DGRAM, 0); 707 if (s < 0) 708 oaf = -1; 709 else 710 oaf = naf; 711 } 712 713 int 714 getinfo(struct ifreq *giifr) 715 { 716 717 getsock(af); 718 if (s < 0) 719 err(EXIT_FAILURE, "socket"); 720 if (ioctl(s, SIOCGIFFLAGS, giifr) == -1) { 721 warn("SIOCGIFFLAGS %s", giifr->ifr_name); 722 return (-1); 723 } 724 flags = giifr->ifr_flags; 725 if (ioctl(s, SIOCGIFMETRIC, giifr) == -1) { 726 warn("SIOCGIFMETRIC %s", giifr->ifr_name); 727 metric = 0; 728 } else 729 metric = giifr->ifr_metric; 730 if (ioctl(s, SIOCGIFMTU, giifr) == -1) 731 mtu = 0; 732 else 733 mtu = giifr->ifr_mtu; 734 735 memset(&g_ifcr, 0, sizeof(g_ifcr)); 736 strcpy(g_ifcr.ifcr_name, giifr->ifr_name); 737 (void) ioctl(s, SIOCGIFCAP, &g_ifcr); 738 739 return (0); 740 } 741 742 void 743 printall(const char *ifname) 744 { 745 struct ifaddrs *ifap, *ifa; 746 struct ifreq paifr; 747 const struct sockaddr_dl *sdl = NULL; 748 int idx; 749 char *p; 750 751 if (getifaddrs(&ifap) != 0) 752 err(EXIT_FAILURE, "getifaddrs"); 753 p = NULL; 754 idx = 0; 755 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 756 memset(&paifr, 0, sizeof(paifr)); 757 strncpy(paifr.ifr_name, ifa->ifa_name, sizeof(paifr.ifr_name)); 758 if (sizeof(paifr.ifr_addr) >= ifa->ifa_addr->sa_len) { 759 memcpy(&paifr.ifr_addr, ifa->ifa_addr, 760 ifa->ifa_addr->sa_len); 761 } 762 763 if (ifname && strcmp(ifname, ifa->ifa_name) != 0) 764 continue; 765 if (ifa->ifa_addr->sa_family == AF_LINK) 766 sdl = (const struct sockaddr_dl *) ifa->ifa_addr; 767 if (p && strcmp(p, ifa->ifa_name) == 0) 768 continue; 769 if (strlcpy(name, ifa->ifa_name, sizeof(name)) >= sizeof(name)) 770 continue; 771 p = ifa->ifa_name; 772 773 if (getinfo(&paifr) < 0) 774 continue; 775 if (bflag && (ifa->ifa_flags & IFF_BROADCAST) == 0) 776 continue; 777 if (dflag && (ifa->ifa_flags & IFF_UP) != 0) 778 continue; 779 if (uflag && (ifa->ifa_flags & IFF_UP) == 0) 780 continue; 781 782 if (sflag && carrier()) 783 continue; 784 idx++; 785 /* 786 * Are we just listing the interfaces? 787 */ 788 if (lflag) { 789 if (idx > 1) 790 printf(" "); 791 fputs(name, stdout); 792 continue; 793 } 794 795 status(sdl); 796 sdl = NULL; 797 } 798 if (lflag) 799 printf("\n"); 800 freeifaddrs(ifap); 801 } 802 803 void 804 list_cloners(void) 805 { 806 struct if_clonereq ifcr; 807 char *cp, *buf; 808 int idx; 809 810 memset(&ifcr, 0, sizeof(ifcr)); 811 812 getsock(AF_INET); 813 814 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 815 err(EXIT_FAILURE, "SIOCIFGCLONERS for count"); 816 817 buf = malloc(ifcr.ifcr_total * IFNAMSIZ); 818 if (buf == NULL) 819 err(EXIT_FAILURE, "unable to allocate cloner name buffer"); 820 821 ifcr.ifcr_count = ifcr.ifcr_total; 822 ifcr.ifcr_buffer = buf; 823 824 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 825 err(EXIT_FAILURE, "SIOCIFGCLONERS for names"); 826 827 /* 828 * In case some disappeared in the mean time, clamp it down. 829 */ 830 if (ifcr.ifcr_count > ifcr.ifcr_total) 831 ifcr.ifcr_count = ifcr.ifcr_total; 832 833 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) { 834 if (idx > 0) 835 printf(" "); 836 printf("%s", cp); 837 } 838 839 printf("\n"); 840 free(buf); 841 return; 842 } 843 844 /*ARGSUSED*/ 845 void 846 clone_create(const char *addr, int param) 847 { 848 849 /* We're called early... */ 850 getsock(AF_INET); 851 852 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 853 if (ioctl(s, SIOCIFCREATE, &ifr) == -1) 854 err(EXIT_FAILURE, "SIOCIFCREATE"); 855 } 856 857 /*ARGSUSED*/ 858 void 859 clone_destroy(const char *addr, int param) 860 { 861 862 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 863 if (ioctl(s, SIOCIFDESTROY, &ifr) == -1) 864 err(EXIT_FAILURE, "SIOCIFDESTROY"); 865 } 866 867 #define RIDADDR 0 868 #define ADDR 1 869 #define MASK 2 870 #define DSTADDR 3 871 872 /*ARGSUSED*/ 873 void 874 setifaddr(const char *addr, int param) 875 { 876 struct ifreq *siifr; /* XXX */ 877 878 /* 879 * Delay the ioctl to set the interface addr until flags are all set. 880 * The address interpretation may depend on the flags, 881 * and the flags may change when the address is set. 882 */ 883 setaddr++; 884 if (newaddr == -1) 885 newaddr = 1; 886 if (doalias == 0 && afp->af_gifaddr != 0) { 887 siifr = (struct ifreq *)afp->af_ridreq; 888 (void) strncpy(siifr->ifr_name, name, sizeof(siifr->ifr_name)); 889 siifr->ifr_addr.sa_family = afp->af_af; 890 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0) 891 clearaddr = 1; 892 else if (errno == EADDRNOTAVAIL) 893 /* No address was assigned yet. */ 894 ; 895 else 896 err(EXIT_FAILURE, "SIOCGIFADDR"); 897 } 898 899 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 900 } 901 902 void 903 settunnel(const char *src, const char *dst) 904 { 905 struct addrinfo hints, *srcres, *dstres; 906 int ecode; 907 struct if_laddrreq req; 908 909 memset(&hints, 0, sizeof(hints)); 910 hints.ai_family = afp->af_af; 911 hints.ai_socktype = SOCK_DGRAM; /*dummy*/ 912 913 if ((ecode = getaddrinfo(src, NULL, &hints, &srcres)) != 0) 914 errx(EXIT_FAILURE, "error in parsing address string: %s", 915 gai_strerror(ecode)); 916 917 if ((ecode = getaddrinfo(dst, NULL, &hints, &dstres)) != 0) 918 errx(EXIT_FAILURE, "error in parsing address string: %s", 919 gai_strerror(ecode)); 920 921 if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family) 922 errx(EXIT_FAILURE, 923 "source and destination address families do not match"); 924 925 if (srcres->ai_addrlen > sizeof(req.addr) || 926 dstres->ai_addrlen > sizeof(req.dstaddr)) 927 errx(EXIT_FAILURE, "invalid sockaddr"); 928 929 memset(&req, 0, sizeof(req)); 930 strncpy(req.iflr_name, name, sizeof(req.iflr_name)); 931 memcpy(&req.addr, srcres->ai_addr, srcres->ai_addrlen); 932 memcpy(&req.dstaddr, dstres->ai_addr, dstres->ai_addrlen); 933 934 #ifdef INET6 935 if (req.addr.ss_family == AF_INET6) { 936 struct sockaddr_in6 *s6, *d; 937 938 s6 = (struct sockaddr_in6 *)&req.addr; 939 d = (struct sockaddr_in6 *)&req.dstaddr; 940 if (s6->sin6_scope_id != d->sin6_scope_id) { 941 errx(EXIT_FAILURE, "scope mismatch"); 942 /* NOTREACHED */ 943 } 944 #ifdef __KAME__ 945 /* embed scopeid */ 946 if (s6->sin6_scope_id && 947 (IN6_IS_ADDR_LINKLOCAL(&s6->sin6_addr) || 948 IN6_IS_ADDR_MC_LINKLOCAL(&s6->sin6_addr))) { 949 *(u_int16_t *)&s6->sin6_addr.s6_addr[2] = 950 htons(s6->sin6_scope_id); 951 } 952 if (d->sin6_scope_id && 953 (IN6_IS_ADDR_LINKLOCAL(&d->sin6_addr) || 954 IN6_IS_ADDR_MC_LINKLOCAL(&d->sin6_addr))) { 955 *(u_int16_t *)&d->sin6_addr.s6_addr[2] = 956 htons(d->sin6_scope_id); 957 } 958 #endif 959 } 960 #endif 961 962 if (ioctl(s, SIOCSLIFPHYADDR, &req) == -1) 963 warn("SIOCSLIFPHYADDR"); 964 965 freeaddrinfo(srcres); 966 freeaddrinfo(dstres); 967 } 968 969 /* ARGSUSED */ 970 void 971 deletetunnel(const char *vname, int param) 972 { 973 974 if (ioctl(s, SIOCDIFPHYADDR, &ifr) == -1) 975 err(EXIT_FAILURE, "SIOCDIFPHYADDR"); 976 } 977 978 void 979 setvlan(const char *val, int d) 980 { 981 struct vlanreq vlr; 982 983 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 984 !isdigit((unsigned char)ifr.ifr_name[4])) 985 errx(EXIT_FAILURE, 986 "``vlan'' valid only with vlan(4) interfaces"); 987 988 vlan_tag = atoi(val); 989 990 memset(&vlr, 0, sizeof(vlr)); 991 ifr.ifr_data = (void *)&vlr; 992 993 if (ioctl(s, SIOCGETVLAN, &ifr) == -1) 994 err(EXIT_FAILURE, "SIOCGETVLAN"); 995 996 vlr.vlr_tag = vlan_tag; 997 998 if (ioctl(s, SIOCSETVLAN, &ifr) == -1) 999 err(EXIT_FAILURE, "SIOCSETVLAN"); 1000 } 1001 1002 void 1003 setvlanif(const char *val, int d) 1004 { 1005 struct vlanreq vlr; 1006 1007 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1008 !isdigit((unsigned char)ifr.ifr_name[4])) 1009 errx(EXIT_FAILURE, 1010 "``vlanif'' valid only with vlan(4) interfaces"); 1011 1012 if (vlan_tag == (u_int)-1) 1013 errx(EXIT_FAILURE, 1014 "must specify both ``vlan'' and ``vlanif''"); 1015 1016 memset(&vlr, 0, sizeof(vlr)); 1017 ifr.ifr_data = (void *)&vlr; 1018 1019 if (ioctl(s, SIOCGETVLAN, &ifr) == -1) 1020 err(EXIT_FAILURE, "SIOCGETVLAN"); 1021 1022 strlcpy(vlr.vlr_parent, val, sizeof(vlr.vlr_parent)); 1023 vlr.vlr_tag = vlan_tag; 1024 1025 if (ioctl(s, SIOCSETVLAN, &ifr) == -1) 1026 err(EXIT_FAILURE, "SIOCSETVLAN"); 1027 } 1028 1029 void 1030 unsetvlanif(const char *val, int d) 1031 { 1032 struct vlanreq vlr; 1033 1034 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1035 !isdigit((unsigned char)ifr.ifr_name[4])) 1036 errx(EXIT_FAILURE, 1037 "``vlanif'' valid only with vlan(4) interfaces"); 1038 1039 memset(&vlr, 0, sizeof(vlr)); 1040 ifr.ifr_data = (void *)&vlr; 1041 1042 if (ioctl(s, SIOCGETVLAN, &ifr) == -1) 1043 err(EXIT_FAILURE, "SIOCGETVLAN"); 1044 1045 vlr.vlr_parent[0] = '\0'; 1046 vlr.vlr_tag = 0; 1047 1048 if (ioctl(s, SIOCSETVLAN, &ifr) == -1) 1049 err(EXIT_FAILURE, "SIOCSETVLAN"); 1050 } 1051 1052 void 1053 setifnetmask(const char *addr, int d) 1054 { 1055 (*afp->af_getaddr)(addr, MASK); 1056 } 1057 1058 void 1059 setifbroadaddr(const char *addr, int d) 1060 { 1061 (*afp->af_getaddr)(addr, DSTADDR); 1062 } 1063 1064 void 1065 setifipdst(const char *addr, int d) 1066 { 1067 in_getaddr(addr, DSTADDR); 1068 setipdst++; 1069 clearaddr = 0; 1070 newaddr = 0; 1071 } 1072 1073 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 1074 /*ARGSUSED*/ 1075 void 1076 notealias(const char *addr, int param) 1077 { 1078 if (setaddr && doalias == 0 && param < 0) 1079 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 1080 rqtosa(af_addreq)->sa_len); 1081 doalias = param; 1082 if (param < 0) { 1083 clearaddr = 1; 1084 newaddr = 0; 1085 conflicting++; 1086 } else { 1087 clearaddr = 0; 1088 conflicting++; 1089 } 1090 } 1091 1092 /*ARGSUSED*/ 1093 void 1094 notrailers(const char *vname, int value) 1095 { 1096 puts("Note: trailers are no longer sent, but always received"); 1097 } 1098 1099 /*ARGSUSED*/ 1100 void 1101 setifdstaddr(const char *addr, int param) 1102 { 1103 (*afp->af_getaddr)(addr, DSTADDR); 1104 } 1105 1106 void 1107 setifflags(const char *vname, int value) 1108 { 1109 struct ifreq ifreq; 1110 1111 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 1112 if (ioctl(s, SIOCGIFFLAGS, &ifreq) == -1) 1113 err(EXIT_FAILURE, "SIOCGIFFLAGS"); 1114 flags = ifreq.ifr_flags; 1115 1116 if (value < 0) { 1117 value = -value; 1118 flags &= ~value; 1119 } else 1120 flags |= value; 1121 ifreq.ifr_flags = flags; 1122 if (ioctl(s, SIOCSIFFLAGS, &ifreq) == -1) 1123 err(EXIT_FAILURE, "SIOCSIFFLAGS"); 1124 } 1125 1126 void 1127 setifcaps(const char *vname, int value) 1128 { 1129 1130 if (value < 0) { 1131 value = -value; 1132 g_ifcr.ifcr_capenable &= ~value; 1133 } else 1134 g_ifcr.ifcr_capenable |= value; 1135 1136 g_ifcr_updated = 1; 1137 } 1138 1139 #ifdef INET6 1140 void 1141 setia6flags(const char *vname, int value) 1142 { 1143 1144 if (value < 0) { 1145 value = -value; 1146 in6_addreq.ifra_flags &= ~value; 1147 } else 1148 in6_addreq.ifra_flags |= value; 1149 } 1150 1151 void 1152 setia6pltime(const char *val, int d) 1153 { 1154 1155 setia6lifetime("pltime", val); 1156 } 1157 1158 void 1159 setia6vltime(const char *val, int d) 1160 { 1161 1162 setia6lifetime("vltime", val); 1163 } 1164 1165 void 1166 setia6lifetime(const char *cmd, const char *val) 1167 { 1168 time_t newval, t; 1169 char *ep; 1170 1171 t = time(NULL); 1172 newval = (time_t)strtoul(val, &ep, 0); 1173 if (val == ep) 1174 errx(EXIT_FAILURE, "invalid %s", cmd); 1175 if (afp->af_af != AF_INET6) 1176 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd); 1177 if (strcmp(cmd, "vltime") == 0) { 1178 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 1179 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 1180 } else if (strcmp(cmd, "pltime") == 0) { 1181 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 1182 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 1183 } 1184 } 1185 1186 void 1187 setia6eui64(const char *cmd, int val) 1188 { 1189 struct ifaddrs *ifap, *ifa; 1190 const struct sockaddr_in6 *sin6 = NULL; 1191 const struct in6_addr *lladdr = NULL; 1192 struct in6_addr *in6; 1193 1194 if (afp->af_af != AF_INET6) 1195 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd); 1196 in6 = (struct in6_addr *)&in6_addreq.ifra_addr.sin6_addr; 1197 if (memcmp(&in6addr_any.s6_addr[8], &in6->s6_addr[8], 8) != 0) 1198 errx(EXIT_FAILURE, "interface index is already filled"); 1199 if (getifaddrs(&ifap) != 0) 1200 err(EXIT_FAILURE, "getifaddrs"); 1201 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 1202 if (ifa->ifa_addr->sa_family == AF_INET6 && 1203 strcmp(ifa->ifa_name, name) == 0) { 1204 sin6 = (const struct sockaddr_in6 *)ifa->ifa_addr; 1205 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1206 lladdr = &sin6->sin6_addr; 1207 break; 1208 } 1209 } 1210 } 1211 if (!lladdr) 1212 errx(EXIT_FAILURE, "could not determine link local address"); 1213 1214 memcpy(&in6->s6_addr[8], &lladdr->s6_addr[8], 8); 1215 1216 freeifaddrs(ifap); 1217 } 1218 #endif 1219 1220 void 1221 setifmetric(const char *val, int d) 1222 { 1223 char *ep = NULL; 1224 1225 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1226 ifr.ifr_metric = strtoul(val, &ep, 10); 1227 if (!ep || *ep) 1228 errx(EXIT_FAILURE, "%s: invalid metric", val); 1229 if (ioctl(s, SIOCSIFMETRIC, &ifr) == -1) 1230 warn("SIOCSIFMETRIC"); 1231 } 1232 1233 void 1234 setifmtu(const char *val, int d) 1235 { 1236 char *ep = NULL; 1237 1238 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1239 ifr.ifr_mtu = strtoul(val, &ep, 10); 1240 if (!ep || *ep) 1241 errx(EXIT_FAILURE, "%s: invalid mtu", val); 1242 if (ioctl(s, SIOCSIFMTU, &ifr) == -1) 1243 warn("SIOCSIFMTU"); 1244 } 1245 1246 const char * 1247 get_string(const char *val, const char *sep, u_int8_t *buf, int *lenp) 1248 { 1249 int len; 1250 int hexstr; 1251 u_int8_t *p; 1252 1253 len = *lenp; 1254 p = buf; 1255 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 1256 if (hexstr) 1257 val += 2; 1258 for (;;) { 1259 if (*val == '\0') 1260 break; 1261 if (sep != NULL && strchr(sep, *val) != NULL) { 1262 val++; 1263 break; 1264 } 1265 if (hexstr) { 1266 if (!isxdigit((u_char)val[0]) || 1267 !isxdigit((u_char)val[1])) { 1268 warnx("bad hexadecimal digits"); 1269 return NULL; 1270 } 1271 } 1272 if (p > buf + len) { 1273 if (hexstr) 1274 warnx("hexadecimal digits too long"); 1275 else 1276 warnx("strings too long"); 1277 return NULL; 1278 } 1279 if (hexstr) { 1280 #define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 1281 *p++ = (tohex((u_char)val[0]) << 4) | 1282 tohex((u_char)val[1]); 1283 #undef tohex 1284 val += 2; 1285 } else 1286 *p++ = *val++; 1287 } 1288 len = p - buf; 1289 if (len < *lenp) 1290 memset(p, 0, *lenp - len); 1291 *lenp = len; 1292 return val; 1293 } 1294 1295 void 1296 print_string(const u_int8_t *buf, int len) 1297 { 1298 int i; 1299 int hasspc; 1300 1301 i = 0; 1302 hasspc = 0; 1303 if (len < 2 || buf[0] != '0' || tolower(buf[1]) != 'x') { 1304 for (; i < len; i++) { 1305 if (!isprint(buf[i])) 1306 break; 1307 if (isspace(buf[i])) 1308 hasspc++; 1309 } 1310 } 1311 if (i == len) { 1312 if (hasspc || len == 0) 1313 printf("\"%.*s\"", len, buf); 1314 else 1315 printf("%.*s", len, buf); 1316 } else { 1317 printf("0x"); 1318 for (i = 0; i < len; i++) 1319 printf("%02x", buf[i]); 1320 } 1321 } 1322 1323 void 1324 setifnwid(const char *val, int d) 1325 { 1326 struct ieee80211_nwid nwid; 1327 int len; 1328 1329 len = sizeof(nwid.i_nwid); 1330 if (get_string(val, NULL, nwid.i_nwid, &len) == NULL) 1331 return; 1332 nwid.i_len = len; 1333 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1334 ifr.ifr_data = (void *)&nwid; 1335 if (ioctl(s, SIOCS80211NWID, &ifr) == -1) 1336 warn("SIOCS80211NWID"); 1337 } 1338 1339 void 1340 setifbssid(const char *val, int d) 1341 { 1342 struct ieee80211_bssid bssid; 1343 struct ether_addr *ea; 1344 1345 if (d != 0) { 1346 /* no BSSID is especially desired */ 1347 memset(&bssid.i_bssid, 0, sizeof(bssid.i_bssid)); 1348 } else { 1349 ea = ether_aton(val); 1350 if (ea == NULL) { 1351 warnx("malformed BSSID: %s", val); 1352 return; 1353 } 1354 memcpy(&bssid.i_bssid, ea->ether_addr_octet, 1355 sizeof(bssid.i_bssid)); 1356 } 1357 (void)strncpy(bssid.i_name, name, sizeof(bssid.i_name)); 1358 if (ioctl(s, SIOCS80211BSSID, &bssid) == -1) 1359 warn("SIOCS80211BSSID"); 1360 } 1361 1362 void 1363 setifchan(const char *val, int d) 1364 { 1365 struct ieee80211chanreq channel; 1366 int chan; 1367 1368 if (d != 0) 1369 chan = IEEE80211_CHAN_ANY; 1370 else { 1371 chan = atoi(val); 1372 if (chan < 0 || chan > 0xffff) { 1373 warnx("invalid channel: %s", val); 1374 return; 1375 } 1376 } 1377 1378 (void)strncpy(channel.i_name, name, sizeof(channel.i_name)); 1379 channel.i_channel = (u_int16_t) chan; 1380 if (ioctl(s, SIOCS80211CHANNEL, &channel) == -1) 1381 warn("SIOCS80211CHANNEL"); 1382 } 1383 1384 void 1385 setifnwkey(const char *val, int d) 1386 { 1387 struct ieee80211_nwkey nwkey; 1388 int i; 1389 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1390 1391 nwkey.i_wepon = IEEE80211_NWKEY_WEP; 1392 nwkey.i_defkid = 1; 1393 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1394 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1395 nwkey.i_key[i].i_keydat = keybuf[i]; 1396 } 1397 if (d != 0) { 1398 /* disable WEP encryption */ 1399 nwkey.i_wepon = 0; 1400 i = 0; 1401 } else if (strcasecmp("persist", val) == 0) { 1402 /* use all values from persistent memory */ 1403 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1404 nwkey.i_defkid = 0; 1405 for (i = 0; i < IEEE80211_WEP_NKID; i++) 1406 nwkey.i_key[i].i_keylen = -1; 1407 } else if (strncasecmp("persist:", val, 8) == 0) { 1408 val += 8; 1409 /* program keys in persistent memory */ 1410 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1411 goto set_nwkey; 1412 } else { 1413 set_nwkey: 1414 if (isdigit((unsigned char)val[0]) && val[1] == ':') { 1415 /* specifying a full set of four keys */ 1416 nwkey.i_defkid = val[0] - '0'; 1417 val += 2; 1418 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1419 val = get_string(val, ",", keybuf[i], 1420 &nwkey.i_key[i].i_keylen); 1421 if (val == NULL) 1422 return; 1423 } 1424 if (*val != '\0') { 1425 warnx("SIOCS80211NWKEY: too many keys."); 1426 return; 1427 } 1428 } else { 1429 val = get_string(val, NULL, keybuf[0], 1430 &nwkey.i_key[0].i_keylen); 1431 if (val == NULL) 1432 return; 1433 i = 1; 1434 } 1435 } 1436 for (; i < IEEE80211_WEP_NKID; i++) 1437 nwkey.i_key[i].i_keylen = 0; 1438 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1439 if (ioctl(s, SIOCS80211NWKEY, &nwkey) == -1) 1440 warn("SIOCS80211NWKEY"); 1441 } 1442 1443 void 1444 setifpowersave(const char *val, int d) 1445 { 1446 struct ieee80211_power power; 1447 1448 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1449 if (ioctl(s, SIOCG80211POWER, &power) == -1) { 1450 warn("SIOCG80211POWER"); 1451 return; 1452 } 1453 1454 power.i_enabled = d; 1455 if (ioctl(s, SIOCS80211POWER, &power) == -1) 1456 warn("SIOCS80211POWER"); 1457 } 1458 1459 void 1460 setifpowersavesleep(const char *val, int d) 1461 { 1462 struct ieee80211_power power; 1463 1464 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1465 if (ioctl(s, SIOCG80211POWER, &power) == -1) { 1466 warn("SIOCG80211POWER"); 1467 return; 1468 } 1469 1470 power.i_maxsleep = atoi(val); 1471 if (ioctl(s, SIOCS80211POWER, &power) == -1) 1472 warn("SIOCS80211POWER"); 1473 } 1474 1475 void 1476 ieee80211_statistics(void) 1477 { 1478 struct ieee80211_stats stats; 1479 1480 memset(&ifr, 0, sizeof(ifr)); 1481 ifr.ifr_data = (caddr_t)&stats; 1482 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1483 if (ioctl(s, (zflag) ? SIOCG80211ZSTATS : SIOCG80211STATS, 1484 (caddr_t)&ifr) == -1) 1485 return; 1486 #define RX_PRINT(desc, member) printf("\trx " desc ": %u\n", stats.member) 1487 #define TX_PRINT(desc, member) printf("\ttx " desc ": %u\n", stats.member) 1488 1489 RX_PRINT("too short", is_rx_tooshort); 1490 RX_PRINT("bad version", is_rx_badversion); 1491 RX_PRINT("wrong bss", is_rx_wrongbss); 1492 RX_PRINT("duplicate", is_rx_dup); 1493 RX_PRINT("wrong direction", is_rx_wrongdir); 1494 RX_PRINT("multicast echo", is_rx_mcastecho); 1495 RX_PRINT("STA not associated", is_rx_notassoc); 1496 RX_PRINT("WEP-encrypted but WEP not configured", is_rx_nowep); 1497 RX_PRINT("WEP processing failed", is_rx_wepfail); 1498 #if 0 1499 RX_PRINT("single (M)MSDU, both WEP/non-WEP fragments", is_rx_wepmix); 1500 RX_PRINT("non-consecutive fragments", is_rx_fragorder); 1501 #endif 1502 RX_PRINT("decapsulation failed", is_rx_decap); 1503 RX_PRINT("management-type discarded", is_rx_mgtdiscard); 1504 RX_PRINT("control-type discarded", is_rx_ctl); 1505 RX_PRINT("truncated rate set", is_rx_rstoobig); 1506 RX_PRINT("beacon/prresp element missing", is_rx_elem_missing); 1507 RX_PRINT("beacon/prresp element too big", is_rx_elem_toobig); 1508 RX_PRINT("beacon/prresp element too small", is_rx_elem_toosmall); 1509 RX_PRINT("beacon/prresp element unknown", is_rx_elem_unknown); 1510 RX_PRINT("invalid channel", is_rx_badchan); 1511 RX_PRINT("channel mismatch", is_rx_chanmismatch); 1512 RX_PRINT("failed node allocation", is_rx_nodealloc); 1513 RX_PRINT("SSID mismatch", is_rx_ssidmismatch); 1514 RX_PRINT("unsupported authentication algor.", is_rx_auth_unsupported); 1515 RX_PRINT("STA authentication failure", is_rx_auth_fail); 1516 RX_PRINT("association for wrong bss", is_rx_assoc_bss); 1517 RX_PRINT("association without authenication", is_rx_assoc_notauth); 1518 RX_PRINT("association capability mismatch", is_rx_assoc_capmismatch); 1519 RX_PRINT("association without rate match", is_rx_assoc_norate); 1520 RX_PRINT("deauthentication", is_rx_deauth); 1521 RX_PRINT("disassocation", is_rx_disassoc); 1522 RX_PRINT("unknown subtype", is_rx_badsubtype); 1523 RX_PRINT("failed, mbuf unavailable", is_rx_nombuf); 1524 RX_PRINT("failed, bad ICV", is_rx_decryptcrc); 1525 RX_PRINT("discard mgmt frame in ad-hoc demo mode", is_rx_ahdemo_mgt); 1526 RX_PRINT("bad authentication", is_rx_bad_auth); 1527 TX_PRINT("failed, mbuf unavailable", is_tx_nombuf); 1528 TX_PRINT("failed, no node", is_tx_nonode); 1529 TX_PRINT("unknown mgmt frame", is_tx_unknownmgt); 1530 printf("\tactive scans: %u\n", stats.is_scan_active); 1531 printf("\tpassive scans: %u\n", stats.is_scan_passive); 1532 printf("\tnodes timed-out for inactivity: %u\n", 1533 stats.is_node_timeout); 1534 printf("\tcrypto context memory unavailable: %u\n", 1535 stats.is_crypto_nomem); 1536 } 1537 1538 void 1539 ieee80211_status(void) 1540 { 1541 int i, nwkey_verbose; 1542 struct ieee80211_nwid nwid; 1543 struct ieee80211_nwkey nwkey; 1544 struct ieee80211_power power; 1545 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1546 struct ieee80211_bssid bssid; 1547 struct ieee80211chanreq channel; 1548 struct ether_addr ea; 1549 static const u_int8_t zero_macaddr[IEEE80211_ADDR_LEN]; 1550 1551 memset(&ifr, 0, sizeof(ifr)); 1552 ifr.ifr_data = (void *)&nwid; 1553 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1554 if (ioctl(s, SIOCG80211NWID, &ifr) == -1) 1555 return; 1556 if (nwid.i_len > IEEE80211_NWID_LEN) { 1557 warnx("SIOCG80211NWID: wrong length of nwid (%d)", nwid.i_len); 1558 return; 1559 } 1560 printf("\tssid "); 1561 print_string(nwid.i_nwid, nwid.i_len); 1562 memset(&nwkey, 0, sizeof(nwkey)); 1563 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1564 /* show nwkey only when WEP is enabled */ 1565 if (ioctl(s, SIOCG80211NWKEY, &nwkey) == -1 || 1566 nwkey.i_wepon == 0) { 1567 printf("\n"); 1568 goto skip_wep; 1569 } 1570 1571 printf(" nwkey "); 1572 /* try to retrieve WEP keys */ 1573 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1574 nwkey.i_key[i].i_keydat = keybuf[i]; 1575 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1576 } 1577 if (ioctl(s, SIOCG80211NWKEY, &nwkey) == -1) { 1578 printf("*****"); 1579 } else { 1580 nwkey_verbose = 0; 1581 /* check to see non default key or multiple keys defined */ 1582 if (nwkey.i_defkid != 1) { 1583 nwkey_verbose = 1; 1584 } else { 1585 for (i = 1; i < IEEE80211_WEP_NKID; i++) { 1586 if (nwkey.i_key[i].i_keylen != 0) { 1587 nwkey_verbose = 1; 1588 break; 1589 } 1590 } 1591 } 1592 /* check extra ambiguity with keywords */ 1593 if (!nwkey_verbose) { 1594 if (nwkey.i_key[0].i_keylen >= 2 && 1595 isdigit(nwkey.i_key[0].i_keydat[0]) && 1596 nwkey.i_key[0].i_keydat[1] == ':') 1597 nwkey_verbose = 1; 1598 else if (nwkey.i_key[0].i_keylen >= 7 && 1599 strncasecmp("persist", nwkey.i_key[0].i_keydat, 7) 1600 == 0) 1601 nwkey_verbose = 1; 1602 } 1603 if (nwkey_verbose) 1604 printf("%d:", nwkey.i_defkid); 1605 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1606 if (i > 0) 1607 printf(","); 1608 if (nwkey.i_key[i].i_keylen < 0) 1609 printf("persist"); 1610 else 1611 print_string(nwkey.i_key[i].i_keydat, 1612 nwkey.i_key[i].i_keylen); 1613 if (!nwkey_verbose) 1614 break; 1615 } 1616 } 1617 printf("\n"); 1618 1619 skip_wep: 1620 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1621 if (ioctl(s, SIOCG80211POWER, &power) == -1) 1622 goto skip_power; 1623 printf("\tpowersave "); 1624 if (power.i_enabled) 1625 printf("on (%dms sleep)", power.i_maxsleep); 1626 else 1627 printf("off"); 1628 printf("\n"); 1629 1630 skip_power: 1631 (void)strncpy(bssid.i_name, name, sizeof(bssid.i_name)); 1632 if (ioctl(s, SIOCG80211BSSID, &bssid) == -1) 1633 return; 1634 (void)strncpy(channel.i_name, name, sizeof(channel.i_name)); 1635 if (ioctl(s, SIOCG80211CHANNEL, &channel) == -1) 1636 return; 1637 if (memcmp(bssid.i_bssid, zero_macaddr, IEEE80211_ADDR_LEN) == 0) { 1638 if (channel.i_channel != (u_int16_t)-1) 1639 printf("\tchan %d\n", channel.i_channel); 1640 } else { 1641 memcpy(ea.ether_addr_octet, bssid.i_bssid, 1642 sizeof(ea.ether_addr_octet)); 1643 printf("\tbssid %s", ether_ntoa(&ea)); 1644 if (channel.i_channel != IEEE80211_CHAN_ANY) 1645 printf(" chan %d", channel.i_channel); 1646 printf("\n"); 1647 } 1648 } 1649 1650 static void 1651 media_error(int type, const char *val, const char *opt) 1652 { 1653 errx(EXIT_FAILURE, "unknown %s media %s: %s", 1654 get_media_type_string(type), opt, val); 1655 } 1656 1657 void 1658 init_current_media(void) 1659 { 1660 struct ifmediareq ifmr; 1661 1662 /* 1663 * If we have not yet done so, grab the currently-selected 1664 * media. 1665 */ 1666 if ((actions & (A_MEDIA|A_MEDIAOPT|A_MEDIAMODE)) == 0) { 1667 (void) memset(&ifmr, 0, sizeof(ifmr)); 1668 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1669 1670 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1671 /* 1672 * If we get E2BIG, the kernel is telling us 1673 * that there are more, so we can ignore it. 1674 */ 1675 if (errno != E2BIG) 1676 err(EXIT_FAILURE, "SGIOCGIFMEDIA"); 1677 } 1678 1679 media_current = ifmr.ifm_current; 1680 } 1681 1682 /* Sanity. */ 1683 if (IFM_TYPE(media_current) == 0) 1684 errx(EXIT_FAILURE, "%s: no link type?", name); 1685 } 1686 1687 void 1688 process_media_commands(void) 1689 { 1690 1691 if ((actions & (A_MEDIA|A_MEDIAOPT|A_MEDIAMODE)) == 0) { 1692 /* Nothing to do. */ 1693 return; 1694 } 1695 1696 /* 1697 * Media already set up, and commands sanity-checked. Set/clear 1698 * any options, and we're ready to go. 1699 */ 1700 media_current |= mediaopt_set; 1701 media_current &= ~mediaopt_clear; 1702 1703 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1704 ifr.ifr_media = media_current; 1705 1706 if (ioctl(s, SIOCSIFMEDIA, &ifr) == -1) 1707 err(EXIT_FAILURE, "SIOCSIFMEDIA"); 1708 } 1709 1710 void 1711 setmedia(const char *val, int d) 1712 { 1713 int type, subtype, inst; 1714 1715 init_current_media(); 1716 1717 /* Only one media command may be given. */ 1718 if (actions & A_MEDIA) 1719 errx(EXIT_FAILURE, "only one `media' command may be issued"); 1720 1721 /* Must not come after mode commands */ 1722 if (actions & A_MEDIAMODE) 1723 errx(EXIT_FAILURE, 1724 "may not issue `media' after `mode' commands"); 1725 1726 /* Must not come after mediaopt commands */ 1727 if (actions & A_MEDIAOPT) 1728 errx(EXIT_FAILURE, 1729 "may not issue `media' after `mediaopt' commands"); 1730 1731 /* 1732 * No need to check if `instance' has been issued; setmediainst() 1733 * craps out if `media' has not been specified. 1734 */ 1735 1736 type = IFM_TYPE(media_current); 1737 inst = IFM_INST(media_current); 1738 1739 /* Look up the subtype. */ 1740 subtype = get_media_subtype(type, val); 1741 if (subtype == -1) 1742 media_error(type, val, "subtype"); 1743 1744 /* Build the new current media word. */ 1745 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1746 1747 /* Media will be set after other processing is complete. */ 1748 } 1749 1750 void 1751 setmediaopt(const char *val, int d) 1752 { 1753 char *invalid; 1754 1755 init_current_media(); 1756 1757 /* Can only issue `mediaopt' once. */ 1758 if (actions & A_MEDIAOPTSET) 1759 errx(EXIT_FAILURE, "only one `mediaopt' command may be issued"); 1760 1761 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1762 if (actions & A_MEDIAINST) 1763 errx(EXIT_FAILURE, "may not issue `mediaopt' after `instance'"); 1764 1765 mediaopt_set = get_media_options(media_current, val, &invalid); 1766 if (mediaopt_set == -1) 1767 media_error(media_current, invalid, "option"); 1768 1769 /* Media will be set after other processing is complete. */ 1770 } 1771 1772 void 1773 unsetmediaopt(const char *val, int d) 1774 { 1775 char *invalid; 1776 1777 init_current_media(); 1778 1779 /* Can only issue `-mediaopt' once. */ 1780 if (actions & A_MEDIAOPTCLR) 1781 errx(EXIT_FAILURE, 1782 "only one `-mediaopt' command may be issued"); 1783 1784 /* May not issue `media' and `-mediaopt'. */ 1785 if (actions & A_MEDIA) 1786 errx(EXIT_FAILURE, 1787 "may not issue both `media' and `-mediaopt'"); 1788 1789 /* 1790 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1791 * implicitly checks for A_MEDIAINST. 1792 */ 1793 1794 mediaopt_clear = get_media_options(media_current, val, &invalid); 1795 if (mediaopt_clear == -1) 1796 media_error(media_current, invalid, "option"); 1797 1798 /* Media will be set after other processing is complete. */ 1799 } 1800 1801 void 1802 setmediainst(const char *val, int d) 1803 { 1804 int type, subtype, options, inst; 1805 1806 init_current_media(); 1807 1808 /* Can only issue `instance' once. */ 1809 if (actions & A_MEDIAINST) 1810 errx(EXIT_FAILURE, "only one `instance' command may be issued"); 1811 1812 /* Must have already specified `media' */ 1813 if ((actions & A_MEDIA) == 0) 1814 errx(EXIT_FAILURE, "must specify `media' before `instance'"); 1815 1816 type = IFM_TYPE(media_current); 1817 subtype = IFM_SUBTYPE(media_current); 1818 options = IFM_OPTIONS(media_current); 1819 1820 inst = atoi(val); 1821 if (inst < 0 || inst > IFM_INST_MAX) 1822 errx(EXIT_FAILURE, "invalid media instance: %s", val); 1823 1824 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1825 1826 /* Media will be set after other processing is complete. */ 1827 } 1828 1829 void 1830 setmediamode(const char *val, int d) 1831 { 1832 int type, subtype, options, inst, mode; 1833 1834 init_current_media(); 1835 1836 /* Can only issue `mode' once. */ 1837 if (actions & A_MEDIAMODE) 1838 errx(EXIT_FAILURE, "only one `mode' command may be issued"); 1839 1840 type = IFM_TYPE(media_current); 1841 subtype = IFM_SUBTYPE(media_current); 1842 options = IFM_OPTIONS(media_current); 1843 inst = IFM_INST(media_current); 1844 1845 mode = get_media_mode(type, val); 1846 if (mode == -1) 1847 media_error(type, val, "mode"); 1848 1849 media_current = IFM_MAKEWORD(type, subtype, options, inst) | mode; 1850 1851 /* Media will be set after other processing is complete. */ 1852 } 1853 1854 void 1855 print_media_word(int ifmw, const char *opt_sep) 1856 { 1857 const char *str; 1858 1859 printf("%s", get_media_subtype_string(ifmw)); 1860 1861 /* Find mode. */ 1862 if (IFM_MODE(ifmw) != 0) { 1863 str = get_media_mode_string(ifmw); 1864 if (str != NULL) 1865 printf(" mode %s", str); 1866 } 1867 1868 /* Find options. */ 1869 for (; (str = get_media_option_string(&ifmw)) != NULL; opt_sep = ",") 1870 printf("%s%s", opt_sep, str); 1871 1872 if (IFM_INST(ifmw) != 0) 1873 printf(" instance %d", IFM_INST(ifmw)); 1874 } 1875 1876 int 1877 carrier(void) 1878 { 1879 struct ifmediareq ifmr; 1880 1881 (void) memset(&ifmr, 0, sizeof(ifmr)); 1882 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1883 1884 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1885 /* 1886 * Interface doesn't support SIOC{G,S}IFMEDIA; 1887 * assume ok. 1888 */ 1889 return 0; 1890 } 1891 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1892 /* 1893 * Interface doesn't report media-valid status. 1894 * assume ok. 1895 */ 1896 return 0; 1897 } 1898 /* otherwise, return ok for active, not-ok if not active. */ 1899 return !(ifmr.ifm_status & IFM_ACTIVE); 1900 } 1901 1902 1903 #define IFFBITS \ 1904 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 1905 \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 1906 1907 #define IFCAPBITS \ 1908 "\020\1IP4CSUM\2TCP4CSUM\3UDP4CSUM\4TCP6CSUM\5UDP6CSUM\6TCP4CSUM_Rx\7UDP4CSUM_Rx\10TSO4" 1909 1910 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1911 1912 const struct ifmedia_status_description ifm_status_descriptions[] = 1913 IFM_STATUS_DESCRIPTIONS; 1914 1915 /* 1916 * Print the status of the interface. If an address family was 1917 * specified, show it and it only; otherwise, show them all. 1918 */ 1919 void 1920 status(const struct sockaddr_dl *sdl) 1921 { 1922 struct afswtch *p = afp; 1923 struct ifmediareq ifmr; 1924 struct ifdatareq ifdr; 1925 int *media_list, i; 1926 char hbuf[NI_MAXHOST]; 1927 char fbuf[BUFSIZ]; 1928 1929 (void)snprintb(fbuf, sizeof(fbuf), IFFBITS, flags); 1930 printf("%s: flags=%s", name, &fbuf[2]); 1931 if (metric) 1932 printf(" metric %lu", metric); 1933 if (mtu) 1934 printf(" mtu %lu", mtu); 1935 printf("\n"); 1936 1937 if (g_ifcr.ifcr_capabilities) { 1938 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 1939 g_ifcr.ifcr_capabilities); 1940 printf("\tcapabilities=%s\n", &fbuf[2]); 1941 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 1942 g_ifcr.ifcr_capenable); 1943 printf("\tenabled=%s\n", &fbuf[2]); 1944 } 1945 1946 ieee80211_status(); 1947 vlan_status(); 1948 tunnel_status(); 1949 1950 if (sdl != NULL && 1951 getnameinfo((const struct sockaddr *)sdl, sdl->sdl_len, 1952 hbuf, sizeof(hbuf), NULL, 0, NI_NUMERICHOST) == 0 && 1953 hbuf[0] != '\0') 1954 printf("\taddress: %s\n", hbuf); 1955 1956 (void) memset(&ifmr, 0, sizeof(ifmr)); 1957 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1958 1959 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1960 /* 1961 * Interface doesn't support SIOC{G,S}IFMEDIA. 1962 */ 1963 goto iface_stats; 1964 } 1965 1966 if (ifmr.ifm_count == 0) { 1967 warnx("%s: no media types?", name); 1968 goto iface_stats; 1969 } 1970 1971 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1972 if (media_list == NULL) 1973 err(EXIT_FAILURE, "malloc"); 1974 ifmr.ifm_ulist = media_list; 1975 1976 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) 1977 err(EXIT_FAILURE, "SIOCGIFMEDIA"); 1978 1979 printf("\tmedia: %s ", get_media_type_string(ifmr.ifm_current)); 1980 print_media_word(ifmr.ifm_current, " "); 1981 if (ifmr.ifm_active != ifmr.ifm_current) { 1982 printf(" ("); 1983 print_media_word(ifmr.ifm_active, " "); 1984 printf(")"); 1985 } 1986 printf("\n"); 1987 1988 if (ifmr.ifm_status & IFM_STATUS_VALID) { 1989 const struct ifmedia_status_description *ifms; 1990 int bitno, found = 0; 1991 1992 printf("\tstatus: "); 1993 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 1994 for (ifms = ifm_status_descriptions; 1995 ifms->ifms_valid != 0; ifms++) { 1996 if (ifms->ifms_type != 1997 IFM_TYPE(ifmr.ifm_current) || 1998 ifms->ifms_valid != 1999 ifm_status_valid_list[bitno]) 2000 continue; 2001 printf("%s%s", found ? ", " : "", 2002 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 2003 found = 1; 2004 2005 /* 2006 * For each valid indicator bit, there's 2007 * only one entry for each media type, so 2008 * terminate the inner loop now. 2009 */ 2010 break; 2011 } 2012 } 2013 2014 if (found == 0) 2015 printf("unknown"); 2016 printf("\n"); 2017 } 2018 2019 if (mflag) { 2020 int type, printed_type; 2021 2022 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 2023 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 2024 if (IFM_TYPE(media_list[i]) != type) 2025 continue; 2026 if (printed_type == 0) { 2027 printf("\tsupported %s media:\n", 2028 get_media_type_string(type)); 2029 printed_type = 1; 2030 } 2031 printf("\t\tmedia "); 2032 print_media_word(media_list[i], " mediaopt "); 2033 printf("\n"); 2034 } 2035 } 2036 } 2037 2038 free(media_list); 2039 2040 iface_stats: 2041 if (!vflag && !zflag) 2042 goto proto_status; 2043 2044 (void) strncpy(ifdr.ifdr_name, name, sizeof(ifdr.ifdr_name)); 2045 2046 if (ioctl(s, zflag ? SIOCZIFDATA:SIOCGIFDATA, &ifdr) == -1) { 2047 err(EXIT_FAILURE, zflag ? "SIOCZIFDATA" : "SIOCGIFDATA"); 2048 } else { 2049 struct if_data * const ifi = &ifdr.ifdr_data; 2050 char buf[5]; 2051 2052 #define PLURAL(n) ((n) == 1 ? "" : "s") 2053 #define PLURALSTR(s) ((atof(s)) == 1.0 ? "" : "s") 2054 printf("\tinput: %llu packet%s, ", 2055 (unsigned long long) ifi->ifi_ipackets, 2056 PLURAL(ifi->ifi_ipackets)); 2057 if (hflag) { 2058 (void) humanize_number(buf, sizeof(buf), 2059 (int64_t) ifi->ifi_ibytes, "", HN_AUTOSCALE, 2060 HN_NOSPACE | HN_DECIMAL); 2061 printf("%s byte%s", buf, 2062 PLURALSTR(buf)); 2063 } else 2064 printf("%llu byte%s", 2065 (unsigned long long) ifi->ifi_ibytes, 2066 PLURAL(ifi->ifi_ibytes)); 2067 if (ifi->ifi_imcasts) 2068 printf(", %llu multicast%s", 2069 (unsigned long long) ifi->ifi_imcasts, 2070 PLURAL(ifi->ifi_imcasts)); 2071 if (ifi->ifi_ierrors) 2072 printf(", %llu error%s", 2073 (unsigned long long) ifi->ifi_ierrors, 2074 PLURAL(ifi->ifi_ierrors)); 2075 if (ifi->ifi_iqdrops) 2076 printf(", %llu queue drop%s", 2077 (unsigned long long) ifi->ifi_iqdrops, 2078 PLURAL(ifi->ifi_iqdrops)); 2079 if (ifi->ifi_noproto) 2080 printf(", %llu unknown protocol", 2081 (unsigned long long) ifi->ifi_noproto); 2082 printf("\n\toutput: %llu packet%s, ", 2083 (unsigned long long) ifi->ifi_opackets, 2084 PLURAL(ifi->ifi_opackets)); 2085 if (hflag) { 2086 (void) humanize_number(buf, sizeof(buf), 2087 (int64_t) ifi->ifi_obytes, "", HN_AUTOSCALE, 2088 HN_NOSPACE | HN_DECIMAL); 2089 printf("%s byte%s", buf, 2090 PLURALSTR(buf)); 2091 } else 2092 printf("%llu byte%s", 2093 (unsigned long long) ifi->ifi_obytes, 2094 PLURAL(ifi->ifi_obytes)); 2095 if (ifi->ifi_omcasts) 2096 printf(", %llu multicast%s", 2097 (unsigned long long) ifi->ifi_omcasts, 2098 PLURAL(ifi->ifi_omcasts)); 2099 if (ifi->ifi_oerrors) 2100 printf(", %llu error%s", 2101 (unsigned long long) ifi->ifi_oerrors, 2102 PLURAL(ifi->ifi_oerrors)); 2103 if (ifi->ifi_collisions) 2104 printf(", %llu collision%s", 2105 (unsigned long long) ifi->ifi_collisions, 2106 PLURAL(ifi->ifi_collisions)); 2107 printf("\n"); 2108 #undef PLURAL 2109 #undef PLURALSTR 2110 } 2111 2112 ieee80211_statistics(); 2113 2114 proto_status: 2115 if ((p = afp) != NULL) { 2116 (*p->af_status)(1); 2117 } else for (p = afs; p->af_name; p++) { 2118 ifr.ifr_addr.sa_family = p->af_af; 2119 (*p->af_status)(0); 2120 } 2121 } 2122 2123 void 2124 tunnel_status(void) 2125 { 2126 char psrcaddr[NI_MAXHOST]; 2127 char pdstaddr[NI_MAXHOST]; 2128 const char *ver = ""; 2129 const int niflag = NI_NUMERICHOST; 2130 struct if_laddrreq req; 2131 2132 psrcaddr[0] = pdstaddr[0] = '\0'; 2133 2134 memset(&req, 0, sizeof(req)); 2135 strncpy(req.iflr_name, name, IFNAMSIZ); 2136 if (ioctl(s, SIOCGLIFPHYADDR, &req) == -1) 2137 return; 2138 #ifdef INET6 2139 if (req.addr.ss_family == AF_INET6) 2140 in6_fillscopeid((struct sockaddr_in6 *)&req.addr); 2141 #endif 2142 getnameinfo((struct sockaddr *)&req.addr, req.addr.ss_len, 2143 psrcaddr, sizeof(psrcaddr), 0, 0, niflag); 2144 #ifdef INET6 2145 if (req.addr.ss_family == AF_INET6) 2146 ver = "6"; 2147 #endif 2148 2149 #ifdef INET6 2150 if (req.dstaddr.ss_family == AF_INET6) 2151 in6_fillscopeid((struct sockaddr_in6 *)&req.dstaddr); 2152 #endif 2153 getnameinfo((struct sockaddr *)&req.dstaddr, req.dstaddr.ss_len, 2154 pdstaddr, sizeof(pdstaddr), 0, 0, niflag); 2155 2156 printf("\ttunnel inet%s %s --> %s\n", ver, psrcaddr, pdstaddr); 2157 } 2158 2159 void 2160 vlan_status(void) 2161 { 2162 struct vlanreq vlr; 2163 2164 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 2165 !isdigit((unsigned char)ifr.ifr_name[4])) 2166 return; 2167 2168 memset(&vlr, 0, sizeof(vlr)); 2169 ifr.ifr_data = (void *)&vlr; 2170 2171 if (ioctl(s, SIOCGETVLAN, &ifr) == -1) 2172 return; 2173 2174 if (vlr.vlr_tag || vlr.vlr_parent[0] != '\0') 2175 printf("\tvlan: %d parent: %s\n", 2176 vlr.vlr_tag, vlr.vlr_parent[0] == '\0' ? 2177 "<none>" : vlr.vlr_parent); 2178 } 2179 2180 void 2181 in_alias(struct ifreq *creq) 2182 { 2183 struct sockaddr_in *iasin; 2184 int alias; 2185 2186 if (lflag) 2187 return; 2188 2189 alias = 1; 2190 2191 /* Get the non-alias address for this interface. */ 2192 getsock(AF_INET); 2193 if (s < 0) { 2194 if (errno == EPROTONOSUPPORT) 2195 return; 2196 err(EXIT_FAILURE, "socket"); 2197 } 2198 (void) memset(&ifr, 0, sizeof(ifr)); 2199 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2200 if (ioctl(s, SIOCGIFADDR, &ifr) == -1) { 2201 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2202 return; 2203 } else 2204 warn("SIOCGIFADDR"); 2205 } 2206 /* If creq and ifr are the same address, this is not an alias. */ 2207 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 2208 sizeof(creq->ifr_addr)) == 0) 2209 alias = 0; 2210 (void) memset(&in_addreq, 0, sizeof(in_addreq)); 2211 (void) strncpy(in_addreq.ifra_name, name, sizeof(in_addreq.ifra_name)); 2212 memcpy(&in_addreq.ifra_addr, &creq->ifr_addr, 2213 sizeof(in_addreq.ifra_addr)); 2214 if (ioctl(s, SIOCGIFALIAS, &in_addreq) == -1) { 2215 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2216 return; 2217 } else 2218 warn("SIOCGIFALIAS"); 2219 } 2220 2221 iasin = &in_addreq.ifra_addr; 2222 printf("\tinet %s%s", alias ? "alias " : "", inet_ntoa(iasin->sin_addr)); 2223 2224 if (flags & IFF_POINTOPOINT) { 2225 iasin = &in_addreq.ifra_dstaddr; 2226 printf(" -> %s", inet_ntoa(iasin->sin_addr)); 2227 } 2228 2229 iasin = &in_addreq.ifra_mask; 2230 printf(" netmask 0x%x", ntohl(iasin->sin_addr.s_addr)); 2231 2232 if (flags & IFF_BROADCAST) { 2233 iasin = &in_addreq.ifra_broadaddr; 2234 printf(" broadcast %s", inet_ntoa(iasin->sin_addr)); 2235 } 2236 printf("\n"); 2237 } 2238 2239 void 2240 in_status(int force) 2241 { 2242 struct ifaddrs *ifap, *ifa; 2243 struct ifreq isifr; 2244 2245 if (getifaddrs(&ifap) != 0) 2246 err(EXIT_FAILURE, "getifaddrs"); 2247 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2248 if (strcmp(name, ifa->ifa_name) != 0) 2249 continue; 2250 if (ifa->ifa_addr->sa_family != AF_INET) 2251 continue; 2252 if (sizeof(isifr.ifr_addr) < ifa->ifa_addr->sa_len) 2253 continue; 2254 2255 memset(&isifr, 0, sizeof(isifr)); 2256 strncpy(isifr.ifr_name, ifa->ifa_name, sizeof(isifr.ifr_name)); 2257 memcpy(&isifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2258 in_alias(&isifr); 2259 } 2260 freeifaddrs(ifap); 2261 } 2262 2263 void 2264 setifprefixlen(const char *addr, int d) 2265 { 2266 if (*afp->af_getprefix) 2267 (*afp->af_getprefix)(addr, MASK); 2268 explicit_prefix = 1; 2269 } 2270 2271 #ifdef INET6 2272 void 2273 in6_fillscopeid(struct sockaddr_in6 *sin6) 2274 { 2275 #if defined(__KAME__) && defined(KAME_SCOPEID) 2276 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 2277 sin6->sin6_scope_id = 2278 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 2279 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 2280 } 2281 #endif 2282 } 2283 2284 /* XXX not really an alias */ 2285 void 2286 in6_alias(struct in6_ifreq *creq) 2287 { 2288 struct sockaddr_in6 *sin6; 2289 char hbuf[NI_MAXHOST]; 2290 u_int32_t scopeid; 2291 const int niflag = NI_NUMERICHOST; 2292 2293 /* Get the non-alias address for this interface. */ 2294 getsock(AF_INET6); 2295 if (s < 0) { 2296 if (errno == EPROTONOSUPPORT) 2297 return; 2298 err(EXIT_FAILURE, "socket"); 2299 } 2300 2301 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 2302 2303 in6_fillscopeid(sin6); 2304 scopeid = sin6->sin6_scope_id; 2305 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2306 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2307 strlcpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2308 printf("\tinet6 %s", hbuf); 2309 2310 if (flags & IFF_POINTOPOINT) { 2311 (void) memset(&ifr6, 0, sizeof(ifr6)); 2312 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2313 ifr6.ifr_addr = creq->ifr_addr; 2314 if (ioctl(s, SIOCGIFDSTADDR_IN6, &ifr6) == -1) { 2315 if (errno != EADDRNOTAVAIL) 2316 warn("SIOCGIFDSTADDR_IN6"); 2317 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 2318 ifr6.ifr_addr.sin6_family = AF_INET6; 2319 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 2320 } 2321 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2322 in6_fillscopeid(sin6); 2323 hbuf[0] = '\0'; 2324 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2325 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2326 strlcpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2327 printf(" -> %s", hbuf); 2328 } 2329 2330 (void) memset(&ifr6, 0, sizeof(ifr6)); 2331 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2332 ifr6.ifr_addr = creq->ifr_addr; 2333 if (ioctl(s, SIOCGIFNETMASK_IN6, &ifr6) == -1) { 2334 if (errno != EADDRNOTAVAIL) 2335 warn("SIOCGIFNETMASK_IN6"); 2336 } else { 2337 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2338 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 2339 sizeof(struct in6_addr))); 2340 } 2341 2342 (void) memset(&ifr6, 0, sizeof(ifr6)); 2343 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2344 ifr6.ifr_addr = creq->ifr_addr; 2345 if (ioctl(s, SIOCGIFAFLAG_IN6, &ifr6) == -1) { 2346 if (errno != EADDRNOTAVAIL) 2347 warn("SIOCGIFAFLAG_IN6"); 2348 } else { 2349 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 2350 printf(" anycast"); 2351 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 2352 printf(" tentative"); 2353 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 2354 printf(" duplicated"); 2355 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 2356 printf(" detached"); 2357 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DEPRECATED) 2358 printf(" deprecated"); 2359 } 2360 2361 if (scopeid) 2362 printf(" scopeid 0x%x", scopeid); 2363 2364 if (Lflag) { 2365 struct in6_addrlifetime *lifetime; 2366 (void) memset(&ifr6, 0, sizeof(ifr6)); 2367 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2368 ifr6.ifr_addr = creq->ifr_addr; 2369 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 2370 if (ioctl(s, SIOCGIFALIFETIME_IN6, &ifr6) == -1) { 2371 if (errno != EADDRNOTAVAIL) 2372 warn("SIOCGIFALIFETIME_IN6"); 2373 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 2374 time_t t = time(NULL); 2375 printf(" pltime "); 2376 if (lifetime->ia6t_preferred) { 2377 printf("%s", lifetime->ia6t_preferred < t 2378 ? "0" 2379 : sec2str(lifetime->ia6t_preferred - t)); 2380 } else 2381 printf("infty"); 2382 2383 printf(" vltime "); 2384 if (lifetime->ia6t_expire) { 2385 printf("%s", lifetime->ia6t_expire < t 2386 ? "0" 2387 : sec2str(lifetime->ia6t_expire - t)); 2388 } else 2389 printf("infty"); 2390 } 2391 } 2392 2393 printf("\n"); 2394 } 2395 2396 void 2397 in6_status(int force) 2398 { 2399 struct ifaddrs *ifap, *ifa; 2400 struct in6_ifreq isifr; 2401 2402 if (getifaddrs(&ifap) != 0) 2403 err(EXIT_FAILURE, "getifaddrs"); 2404 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2405 if (strcmp(name, ifa->ifa_name) != 0) 2406 continue; 2407 if (ifa->ifa_addr->sa_family != AF_INET6) 2408 continue; 2409 if (sizeof(isifr.ifr_addr) < ifa->ifa_addr->sa_len) 2410 continue; 2411 2412 memset(&isifr, 0, sizeof(isifr)); 2413 strncpy(isifr.ifr_name, ifa->ifa_name, sizeof(isifr.ifr_name)); 2414 memcpy(&isifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2415 in6_alias(&isifr); 2416 } 2417 freeifaddrs(ifap); 2418 } 2419 #endif /*INET6*/ 2420 2421 #ifndef INET_ONLY 2422 2423 void 2424 at_status(int force) 2425 { 2426 struct sockaddr_at *sat, null_sat; 2427 struct netrange *nr; 2428 2429 getsock(AF_APPLETALK); 2430 if (s < 0) { 2431 if (errno == EPROTONOSUPPORT) 2432 return; 2433 err(EXIT_FAILURE, "socket"); 2434 } 2435 (void) memset(&ifr, 0, sizeof(ifr)); 2436 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2437 if (ioctl(s, SIOCGIFADDR, &ifr) == -1) { 2438 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2439 if (!force) 2440 return; 2441 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2442 } else 2443 warn("SIOCGIFADDR"); 2444 } 2445 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2446 sat = (struct sockaddr_at *)&ifr.ifr_addr; 2447 2448 (void) memset(&null_sat, 0, sizeof(null_sat)); 2449 2450 nr = (struct netrange *) &sat->sat_zero; 2451 printf("\tatalk %d.%d range %d-%d phase %d", 2452 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2453 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 2454 if (flags & IFF_POINTOPOINT) { 2455 if (ioctl(s, SIOCGIFDSTADDR, &ifr) == -1) { 2456 if (errno == EADDRNOTAVAIL) 2457 (void) memset(&ifr.ifr_addr, 0, 2458 sizeof(ifr.ifr_addr)); 2459 else 2460 warn("SIOCGIFDSTADDR"); 2461 } 2462 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2463 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 2464 if (!sat) 2465 sat = &null_sat; 2466 printf("--> %d.%d", 2467 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 2468 } 2469 if (flags & IFF_BROADCAST) { 2470 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 2471 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 2472 if (sat) 2473 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 2474 sat->sat_addr.s_node); 2475 } 2476 printf("\n"); 2477 } 2478 2479 void 2480 xns_status(int force) 2481 { 2482 struct sockaddr_ns *sns; 2483 2484 getsock(AF_NS); 2485 if (s < 0) { 2486 if (errno == EPROTONOSUPPORT) 2487 return; 2488 err(EXIT_FAILURE, "socket"); 2489 } 2490 (void) memset(&ifr, 0, sizeof(ifr)); 2491 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2492 if (ioctl(s, SIOCGIFADDR, &ifr) == -1) { 2493 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2494 if (!force) 2495 return; 2496 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2497 } else 2498 warn("SIOCGIFADDR"); 2499 } 2500 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2501 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 2502 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 2503 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 2504 if (ioctl(s, SIOCGIFDSTADDR, &ifr) == -1) { 2505 if (errno == EADDRNOTAVAIL) 2506 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2507 else 2508 warn("SIOCGIFDSTADDR"); 2509 } 2510 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2511 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 2512 printf("--> %s ", ns_ntoa(sns->sns_addr)); 2513 } 2514 printf("\n"); 2515 } 2516 2517 void 2518 iso_status(int force) 2519 { 2520 struct sockaddr_iso *siso; 2521 struct iso_ifreq isoifr; 2522 2523 getsock(AF_ISO); 2524 if (s < 0) { 2525 if (errno == EPROTONOSUPPORT) 2526 return; 2527 err(EXIT_FAILURE, "socket"); 2528 } 2529 (void) memset(&isoifr, 0, sizeof(isoifr)); 2530 (void) strncpy(isoifr.ifr_name, name, sizeof(isoifr.ifr_name)); 2531 if (ioctl(s, SIOCGIFADDR_ISO, &isoifr) == -1) { 2532 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2533 if (!force) 2534 return; 2535 (void) memset(&isoifr.ifr_Addr, 0, 2536 sizeof(isoifr.ifr_Addr)); 2537 } else 2538 warn("SIOCGIFADDR_ISO"); 2539 } 2540 (void) strncpy(isoifr.ifr_name, name, sizeof isoifr.ifr_name); 2541 siso = &isoifr.ifr_Addr; 2542 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 2543 if (ioctl(s, SIOCGIFNETMASK_ISO, &isoifr) == -1) { 2544 if (errno == EADDRNOTAVAIL) 2545 memset(&isoifr.ifr_Addr, 0, sizeof(isoifr.ifr_Addr)); 2546 else 2547 warn("SIOCGIFNETMASK_ISO"); 2548 } else { 2549 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 2550 siso->siso_addr.isoa_len = siso->siso_len 2551 - offsetof(struct sockaddr_iso, siso_addr); 2552 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 2553 } 2554 if (flags & IFF_POINTOPOINT) { 2555 if (ioctl(s, SIOCGIFDSTADDR_ISO, &isoifr) == -1) { 2556 if (errno == EADDRNOTAVAIL) 2557 memset(&isoifr.ifr_Addr, 0, 2558 sizeof(isoifr.ifr_Addr)); 2559 else 2560 warn("SIOCGIFDSTADDR_ISO"); 2561 } 2562 (void) strncpy(isoifr.ifr_name, name, sizeof (isoifr.ifr_name)); 2563 siso = &isoifr.ifr_Addr; 2564 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 2565 } 2566 printf("\n"); 2567 } 2568 2569 #endif /* INET_ONLY */ 2570 2571 #define SIN(x) ((struct sockaddr_in *) &(x)) 2572 struct sockaddr_in *sintab[] = { 2573 SIN(ridreq.ifr_addr), SIN(in_addreq.ifra_addr), 2574 SIN(in_addreq.ifra_mask), SIN(in_addreq.ifra_broadaddr)}; 2575 2576 void 2577 in_getaddr(const char *str, int which) 2578 { 2579 struct sockaddr_in *gasin = sintab[which]; 2580 struct hostent *hp; 2581 struct netent *np; 2582 2583 gasin->sin_len = sizeof(*gasin); 2584 if (which != MASK) 2585 gasin->sin_family = AF_INET; 2586 2587 if (which == ADDR) { 2588 char *p = NULL; 2589 if ((p = strrchr(str, '/')) != NULL) { 2590 *p = '\0'; 2591 in_getprefix(p + 1, MASK); 2592 } 2593 } 2594 2595 if (inet_aton(str, &gasin->sin_addr) == 0) { 2596 if ((hp = gethostbyname(str)) != NULL) 2597 (void) memcpy(&gasin->sin_addr, hp->h_addr, hp->h_length); 2598 else if ((np = getnetbyname(str)) != NULL) 2599 gasin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 2600 else 2601 errx(EXIT_FAILURE, "%s: bad value", str); 2602 } 2603 } 2604 2605 void 2606 in_getprefix(const char *plen, int which) 2607 { 2608 struct sockaddr_in *igsin = sintab[which]; 2609 u_char *cp; 2610 int len = strtol(plen, (char **)NULL, 10); 2611 2612 if ((len < 0) || (len > 32)) 2613 errx(EXIT_FAILURE, "%s: bad value", plen); 2614 igsin->sin_len = sizeof(*igsin); 2615 if (which != MASK) 2616 igsin->sin_family = AF_INET; 2617 if ((len == 0) || (len == 32)) { 2618 memset(&igsin->sin_addr, 0xff, sizeof(struct in_addr)); 2619 return; 2620 } 2621 memset((void *)&igsin->sin_addr, 0x00, sizeof(igsin->sin_addr)); 2622 for (cp = (u_char *)&igsin->sin_addr; len > 7; len -= 8) 2623 *cp++ = 0xff; 2624 if (len) 2625 *cp = 0xff << (8 - len); 2626 } 2627 2628 #ifdef INET6 2629 #define SIN6(x) ((struct sockaddr_in6 *) &(x)) 2630 struct sockaddr_in6 *sin6tab[] = { 2631 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 2632 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 2633 2634 void 2635 in6_getaddr(const char *str, int which) 2636 { 2637 #if defined(__KAME__) && defined(KAME_SCOPEID) 2638 struct sockaddr_in6 *sin6 = sin6tab[which]; 2639 struct addrinfo hints, *res; 2640 int error; 2641 char *slash = NULL; 2642 2643 if (which == ADDR) { 2644 if ((slash = strrchr(str, '/')) != NULL) 2645 *slash = '\0'; 2646 } 2647 2648 memset(&hints, 0, sizeof(hints)); 2649 hints.ai_family = AF_INET6; 2650 hints.ai_socktype = SOCK_DGRAM; 2651 #if 0 /* in_getaddr() allows FQDN */ 2652 hints.ai_flags = AI_NUMERICHOST; 2653 #endif 2654 error = getaddrinfo(str, "0", &hints, &res); 2655 if (error && slash) { 2656 /* try again treating the '/' as part of the name */ 2657 *slash = '/'; 2658 slash = NULL; 2659 error = getaddrinfo(str, "0", &hints, &res); 2660 } 2661 if (error) 2662 errx(EXIT_FAILURE, "%s: %s", str, gai_strerror(error)); 2663 if (res->ai_next) 2664 errx(EXIT_FAILURE, "%s: resolved to multiple addresses", str); 2665 if (res->ai_addrlen != sizeof(struct sockaddr_in6)) 2666 errx(EXIT_FAILURE, "%s: bad value", str); 2667 memcpy(sin6, res->ai_addr, res->ai_addrlen); 2668 freeaddrinfo(res); 2669 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) { 2670 *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = 2671 htons(sin6->sin6_scope_id); 2672 sin6->sin6_scope_id = 0; 2673 } 2674 if (slash) { 2675 in6_getprefix(slash + 1, MASK); 2676 explicit_prefix = 1; 2677 } 2678 #else 2679 struct sockaddr_in6 *gasin = sin6tab[which]; 2680 2681 gasin->sin6_len = sizeof(*gasin); 2682 if (which != MASK) 2683 gasin->sin6_family = AF_INET6; 2684 2685 if (which == ADDR) { 2686 char *p = NULL; 2687 if((p = strrchr(str, '/')) != NULL) { 2688 *p = '\0'; 2689 in6_getprefix(p + 1, MASK); 2690 explicit_prefix = 1; 2691 } 2692 } 2693 2694 if (inet_pton(AF_INET6, str, &gasin->sin6_addr) != 1) 2695 errx(EXIT_FAILURE, "%s: bad value", str); 2696 #endif 2697 } 2698 2699 void 2700 in6_getprefix(const char *plen, int which) 2701 { 2702 struct sockaddr_in6 *gpsin = sin6tab[which]; 2703 u_char *cp; 2704 int len = strtol(plen, (char **)NULL, 10); 2705 2706 if ((len < 0) || (len > 128)) 2707 errx(EXIT_FAILURE, "%s: bad value", plen); 2708 gpsin->sin6_len = sizeof(*gpsin); 2709 if (which != MASK) 2710 gpsin->sin6_family = AF_INET6; 2711 if ((len == 0) || (len == 128)) { 2712 memset(&gpsin->sin6_addr, 0xff, sizeof(struct in6_addr)); 2713 return; 2714 } 2715 memset((void *)&gpsin->sin6_addr, 0x00, sizeof(gpsin->sin6_addr)); 2716 for (cp = (u_char *)&gpsin->sin6_addr; len > 7; len -= 8) 2717 *cp++ = 0xff; 2718 if (len) 2719 *cp = 0xff << (8 - len); 2720 } 2721 2722 int 2723 prefix(void *val, int size) 2724 { 2725 u_char *pname = (u_char *)val; 2726 int byte, bit, plen = 0; 2727 2728 for (byte = 0; byte < size; byte++, plen += 8) 2729 if (pname[byte] != 0xff) 2730 break; 2731 if (byte == size) 2732 return (plen); 2733 for (bit = 7; bit != 0; bit--, plen++) 2734 if (!(pname[byte] & (1 << bit))) 2735 break; 2736 for (; bit != 0; bit--) 2737 if (pname[byte] & (1 << bit)) 2738 return(0); 2739 byte++; 2740 for (; byte < size; byte++) 2741 if (pname[byte]) 2742 return(0); 2743 return (plen); 2744 } 2745 #endif /*INET6*/ 2746 2747 #ifndef INET_ONLY 2748 void 2749 at_getaddr(const char *addr, int which) 2750 { 2751 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 2752 u_int net, node; 2753 2754 sat->sat_family = AF_APPLETALK; 2755 sat->sat_len = sizeof(*sat); 2756 if (which == MASK) 2757 errx(EXIT_FAILURE, "AppleTalk does not use netmasks"); 2758 if (sscanf(addr, "%u.%u", &net, &node) != 2 2759 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 2760 errx(EXIT_FAILURE, "%s: illegal address", addr); 2761 sat->sat_addr.s_net = htons(net); 2762 sat->sat_addr.s_node = node; 2763 } 2764 2765 void 2766 setatrange(const char *range, int d) 2767 { 2768 u_short first = 123, last = 123; 2769 2770 if (sscanf(range, "%hu-%hu", &first, &last) != 2 2771 || first == 0 /* || first > 0xffff */ 2772 || last == 0 /* || last > 0xffff */ || first > last) 2773 errx(EXIT_FAILURE, "%s: illegal net range: %u-%u", range, 2774 first, last); 2775 at_nr.nr_firstnet = htons(first); 2776 at_nr.nr_lastnet = htons(last); 2777 } 2778 2779 void 2780 setatphase(const char *phase, int d) 2781 { 2782 if (!strcmp(phase, "1")) 2783 at_nr.nr_phase = 1; 2784 else if (!strcmp(phase, "2")) 2785 at_nr.nr_phase = 2; 2786 else 2787 errx(EXIT_FAILURE, "%s: illegal phase", phase); 2788 } 2789 2790 void 2791 checkatrange(struct sockaddr_at *sat) 2792 { 2793 if (at_nr.nr_phase == 0) 2794 at_nr.nr_phase = 2; /* Default phase 2 */ 2795 if (at_nr.nr_firstnet == 0) 2796 at_nr.nr_firstnet = /* Default range of one */ 2797 at_nr.nr_lastnet = sat->sat_addr.s_net; 2798 printf("\tatalk %d.%d range %d-%d phase %d\n", 2799 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2800 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 2801 if ((u_short) ntohs(at_nr.nr_firstnet) > 2802 (u_short) ntohs(sat->sat_addr.s_net) 2803 || (u_short) ntohs(at_nr.nr_lastnet) < 2804 (u_short) ntohs(sat->sat_addr.s_net)) 2805 errx(EXIT_FAILURE, "AppleTalk address is not in range"); 2806 *((struct netrange *) &sat->sat_zero) = at_nr; 2807 } 2808 2809 #define SNS(x) ((struct sockaddr_ns *) &(x)) 2810 struct sockaddr_ns *snstab[] = { 2811 SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 2812 SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 2813 2814 void 2815 xns_getaddr(const char *addr, int which) 2816 { 2817 struct sockaddr_ns *sns = snstab[which]; 2818 2819 sns->sns_family = AF_NS; 2820 sns->sns_len = sizeof(*sns); 2821 sns->sns_addr = ns_addr(addr); 2822 if (which == MASK) 2823 puts("Attempt to set XNS netmask will be ineffectual"); 2824 } 2825 2826 #define SISO(x) ((struct sockaddr_iso *) &(x)) 2827 struct sockaddr_iso *sisotab[] = { 2828 SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 2829 SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 2830 2831 void 2832 iso_getaddr(const char *addr, int which) 2833 { 2834 struct sockaddr_iso *siso = sisotab[which]; 2835 siso->siso_addr = *iso_addr(addr); 2836 2837 if (which == MASK) { 2838 siso->siso_len = TSEL(siso) - (char *)(siso); 2839 siso->siso_nlen = 0; 2840 } else { 2841 siso->siso_len = sizeof(*siso); 2842 siso->siso_family = AF_ISO; 2843 } 2844 } 2845 2846 void 2847 setsnpaoffset(const char *val, int d) 2848 { 2849 iso_addreq.ifra_snpaoffset = atoi(val); 2850 } 2851 2852 void 2853 setnsellength(const char *val, int d) 2854 { 2855 nsellength = atoi(val); 2856 if (nsellength < 0) 2857 errx(EXIT_FAILURE, "Negative NSEL length is absurd"); 2858 if (afp == 0 || afp->af_af != AF_ISO) 2859 errx(EXIT_FAILURE, "Setting NSEL length valid only for iso"); 2860 } 2861 2862 void 2863 fixnsel(struct sockaddr_iso *siso) 2864 { 2865 if (siso->siso_family == 0) 2866 return; 2867 siso->siso_tlen = nsellength; 2868 } 2869 2870 void 2871 adjust_nsellength(void) 2872 { 2873 fixnsel(sisotab[RIDADDR]); 2874 fixnsel(sisotab[ADDR]); 2875 fixnsel(sisotab[DSTADDR]); 2876 } 2877 2878 #endif /* INET_ONLY */ 2879 2880 void 2881 usage(void) 2882 { 2883 const char *progname = getprogname(); 2884 2885 fprintf(stderr, 2886 "usage: %s [-h] [-m] [-v] [-z] " 2887 #ifdef INET6 2888 "[-L] " 2889 #endif 2890 "interface\n" 2891 "\t[ af [ address [ dest_addr ] ] [ netmask mask ] [ prefixlen n ]\n" 2892 "\t\t[ alias | -alias ] ]\n" 2893 "\t[ up ] [ down ] [ metric n ] [ mtu n ]\n" 2894 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n" 2895 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n" 2896 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n" 2897 "\t[ arp | -arp ]\n" 2898 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] " 2899 "[ instance minst ]\n" 2900 "\t[ vlan n vlanif i ]\n" 2901 "\t[ anycast | -anycast ] [ deprecated | -deprecated ]\n" 2902 "\t[ tentative | -tentative ] [ pltime n ] [ vltime n ] [ eui64 ]\n" 2903 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" 2904 " %s -a [-b] [-h] [-m] [-d] [-u] [-v] [-z] [ af ]\n" 2905 " %s -l [-b] [-d] [-u] [-s]\n" 2906 " %s -C\n" 2907 " %s interface create\n" 2908 " %s interface destroy\n", 2909 progname, progname, progname, progname, progname, progname); 2910 exit(1); 2911 } 2912 2913 #ifdef INET6 2914 char * 2915 sec2str(total) 2916 time_t total; 2917 { 2918 static char result[256]; 2919 int days, hours, mins, secs; 2920 int first = 1; 2921 char *p = result; 2922 char *end = &result[sizeof(result)]; 2923 int n; 2924 2925 if (0) { /*XXX*/ 2926 days = total / 3600 / 24; 2927 hours = (total / 3600) % 24; 2928 mins = (total / 60) % 60; 2929 secs = total % 60; 2930 2931 if (days) { 2932 first = 0; 2933 n = snprintf(p, end - p, "%dd", days); 2934 if (n < 0 || n >= end - p) 2935 return(result); 2936 p += n; 2937 } 2938 if (!first || hours) { 2939 first = 0; 2940 n = snprintf(p, end - p, "%dh", hours); 2941 if (n < 0 || n >= end - p) 2942 return(result); 2943 p += n; 2944 } 2945 if (!first || mins) { 2946 first = 0; 2947 n = snprintf(p, end - p, "%dm", mins); 2948 if (n < 0 || n >= end - p) 2949 return(result); 2950 p += n; 2951 } 2952 snprintf(p, end - p, "%ds", secs); 2953 } else 2954 snprintf(p, end - p, "%lu", (u_long)total); 2955 2956 return(result); 2957 } 2958 #endif 2959
Indexes created Sat Oct 25 16:10:12 GMT 2025