ifconfig.c revision 1.154
1 /* $NetBSD: ifconfig.c,v 1.154 2005/03/18 14:30:08 yamt 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 1.154 2005/03/18 14:30:08 yamt 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 #include "agr.h" 125 126 struct ifreq ifr, ridreq; 127 struct ifaliasreq addreq __attribute__((aligned(4))); 128 struct in_aliasreq in_addreq; 129 #ifdef INET6 130 struct in6_ifreq ifr6; 131 struct in6_ifreq in6_ridreq; 132 struct in6_aliasreq in6_addreq; 133 #endif 134 struct iso_ifreq iso_ridreq; 135 struct iso_aliasreq iso_addreq; 136 struct sockaddr_in netmask; 137 struct netrange at_nr; /* AppleTalk net range */ 138 139 char name[30]; 140 u_short flags; 141 int setaddr, setipdst, doalias; 142 u_long metric, mtu; 143 int clearaddr, s; 144 int newaddr = -1; 145 int conflicting = 0; 146 int nsellength = 1; 147 int af; 148 int aflag, bflag, Cflag, dflag, lflag, mflag, sflag, uflag, vflag, zflag; 149 #ifdef INET6 150 int Lflag; 151 #endif 152 int explicit_prefix = 0; 153 u_int vlan_tag = (u_int)-1; 154 155 struct ifcapreq g_ifcr; 156 int g_ifcr_updated; 157 158 void notealias(const char *, int); 159 void notrailers(const char *, int); 160 void setifaddr(const char *, int); 161 void setifdstaddr(const char *, int); 162 void setifflags(const char *, int); 163 void setifcaps(const char *, int); 164 void setifbroadaddr(const char *, int); 165 void setifipdst(const char *, int); 166 void setifmetric(const char *, int); 167 void setifmtu(const char *, int); 168 void setifnwid(const char *, int); 169 void setifnwkey(const char *, int); 170 void setifbssid(const char *, int); 171 void setifchan(const char *, int); 172 void setifpowersave(const char *, int); 173 void setifpowersavesleep(const char *, int); 174 void setifnetmask(const char *, int); 175 void setifprefixlen(const char *, int); 176 void setnsellength(const char *, int); 177 void setsnpaoffset(const char *, int); 178 void setatrange(const char *, int); 179 void setatphase(const char *, int); 180 void settunnel(const char *, const char *); 181 void deletetunnel(const char *, int); 182 #ifdef INET6 183 void setia6flags(const char *, int); 184 void setia6pltime(const char *, int); 185 void setia6vltime(const char *, int); 186 void setia6lifetime(const char *, const char *); 187 void setia6eui64(const char *, int); 188 #endif 189 void checkatrange(struct sockaddr_at *); 190 void setmedia(const char *, int); 191 void setmediamode(const char *, int); 192 void setmediaopt(const char *, int); 193 void unsetmediaopt(const char *, int); 194 void setmediainst(const char *, int); 195 void clone_create(const char *, int); 196 void clone_destroy(const char *, int); 197 void fixnsel(struct sockaddr_iso *); 198 void setvlan(const char *, int); 199 void setvlanif(const char *, int); 200 void unsetvlanif(const char *, int); 201 int main(int, char *[]); 202 203 /* 204 * Media stuff. Whenever a media command is first performed, the 205 * currently select media is grabbed for this interface. If `media' 206 * is given, the current media word is modifed. `mediaopt' commands 207 * only modify the set and clear words. They then operate on the 208 * current media word later. 209 */ 210 int media_current; 211 int mediaopt_set; 212 int mediaopt_clear; 213 214 int actions; /* Actions performed */ 215 216 #define A_MEDIA 0x0001 /* media command */ 217 #define A_MEDIAOPTSET 0x0002 /* mediaopt command */ 218 #define A_MEDIAOPTCLR 0x0004 /* -mediaopt command */ 219 #define A_MEDIAOPT (A_MEDIAOPTSET|A_MEDIAOPTCLR) 220 #define A_MEDIAINST 0x0008 /* instance or inst command */ 221 #define A_MEDIAMODE 0x0010 /* mode command */ 222 223 #define NEXTARG 0xffffff 224 #define NEXTARG2 0xfffffe 225 226 const struct cmd { 227 const char *c_name; 228 int c_parameter; /* NEXTARG means next argv */ 229 int c_action; /* defered action */ 230 void (*c_func)(const char *, int); 231 void (*c_func2)(const char *, const char *); 232 } cmds[] = { 233 { "up", IFF_UP, 0, setifflags } , 234 { "down", -IFF_UP, 0, setifflags }, 235 { "trailers", -1, 0, notrailers }, 236 { "-trailers", 1, 0, notrailers }, 237 { "arp", -IFF_NOARP, 0, setifflags }, 238 { "-arp", IFF_NOARP, 0, setifflags }, 239 { "debug", IFF_DEBUG, 0, setifflags }, 240 { "-debug", -IFF_DEBUG, 0, setifflags }, 241 { "alias", IFF_UP, 0, notealias }, 242 { "-alias", -IFF_UP, 0, notealias }, 243 { "delete", -IFF_UP, 0, notealias }, 244 #ifdef notdef 245 #define EN_SWABIPS 0x1000 246 { "swabips", EN_SWABIPS, 0, setifflags }, 247 { "-swabips", -EN_SWABIPS, 0, setifflags }, 248 #endif 249 { "netmask", NEXTARG, 0, setifnetmask }, 250 { "metric", NEXTARG, 0, setifmetric }, 251 { "mtu", NEXTARG, 0, setifmtu }, 252 { "bssid", NEXTARG, 0, setifbssid }, 253 { "-bssid", -1, 0, setifbssid }, 254 { "chan", NEXTARG, 0, setifchan }, 255 { "-chan", -1, 0, setifchan }, 256 { "ssid", NEXTARG, 0, setifnwid }, 257 { "nwid", NEXTARG, 0, setifnwid }, 258 { "nwkey", NEXTARG, 0, setifnwkey }, 259 { "-nwkey", -1, 0, setifnwkey }, 260 { "powersave", 1, 0, setifpowersave }, 261 { "-powersave", 0, 0, setifpowersave }, 262 { "powersavesleep", NEXTARG, 0, setifpowersavesleep }, 263 { "broadcast", NEXTARG, 0, setifbroadaddr }, 264 { "ipdst", NEXTARG, 0, setifipdst }, 265 { "prefixlen", NEXTARG, 0, setifprefixlen}, 266 #ifdef INET6 267 { "anycast", IN6_IFF_ANYCAST, 0, setia6flags }, 268 { "-anycast", -IN6_IFF_ANYCAST, 0, setia6flags }, 269 { "tentative", IN6_IFF_TENTATIVE, 0, setia6flags }, 270 { "-tentative", -IN6_IFF_TENTATIVE, 0, setia6flags }, 271 { "deprecated", IN6_IFF_DEPRECATED, 0, setia6flags }, 272 { "-deprecated", -IN6_IFF_DEPRECATED, 0, setia6flags }, 273 { "pltime", NEXTARG, 0, setia6pltime }, 274 { "vltime", NEXTARG, 0, setia6vltime }, 275 { "eui64", 0, 0, setia6eui64 }, 276 #endif /*INET6*/ 277 #ifndef INET_ONLY 278 { "range", NEXTARG, 0, setatrange }, 279 { "phase", NEXTARG, 0, setatphase }, 280 { "snpaoffset", NEXTARG, 0, setsnpaoffset }, 281 { "nsellength", NEXTARG, 0, setnsellength }, 282 #endif /* INET_ONLY */ 283 { "tunnel", NEXTARG2, 0, NULL, 284 settunnel } , 285 { "deletetunnel", 0, 0, deletetunnel }, 286 { "vlan", NEXTARG, 0, setvlan } , 287 { "vlanif", NEXTARG, 0, setvlanif } , 288 { "-vlanif", 0, 0, unsetvlanif } , 289 #if 0 290 /* XXX `create' special-cased below */ 291 { "create", 0, 0, clone_create } , 292 #endif 293 { "destroy", 0, 0, clone_destroy } , 294 { "link0", IFF_LINK0, 0, setifflags } , 295 { "-link0", -IFF_LINK0, 0, setifflags } , 296 { "link1", IFF_LINK1, 0, setifflags } , 297 { "-link1", -IFF_LINK1, 0, setifflags } , 298 { "link2", IFF_LINK2, 0, setifflags } , 299 { "-link2", -IFF_LINK2, 0, setifflags } , 300 { "media", NEXTARG, A_MEDIA, setmedia }, 301 { "mediaopt", NEXTARG, A_MEDIAOPTSET, setmediaopt }, 302 { "-mediaopt", NEXTARG, A_MEDIAOPTCLR, unsetmediaopt }, 303 { "mode", NEXTARG, A_MEDIAMODE, setmediamode }, 304 { "instance", NEXTARG, A_MEDIAINST, setmediainst }, 305 { "inst", NEXTARG, A_MEDIAINST, setmediainst }, 306 { "ip4csum", IFCAP_CSUM_IPv4,0, setifcaps }, 307 { "-ip4csum", -IFCAP_CSUM_IPv4,0, setifcaps }, 308 { "tcp4csum", IFCAP_CSUM_TCPv4,0, setifcaps }, 309 { "-tcp4csum", -IFCAP_CSUM_TCPv4,0, setifcaps }, 310 { "udp4csum", IFCAP_CSUM_UDPv4,0, setifcaps }, 311 { "-udp4csum", -IFCAP_CSUM_UDPv4,0, setifcaps }, 312 { "tcp6csum", IFCAP_CSUM_TCPv6,0, setifcaps }, 313 { "-tcp6csum", -IFCAP_CSUM_TCPv6,0, setifcaps }, 314 { "udp6csum", IFCAP_CSUM_UDPv6,0, setifcaps }, 315 { "-udp6csum", -IFCAP_CSUM_UDPv6,0, setifcaps }, 316 { "tcp4csum-rx",IFCAP_CSUM_TCPv4_Rx,0, setifcaps }, 317 { "-tcp4csum-rx",-IFCAP_CSUM_TCPv4_Rx,0, setifcaps }, 318 { "udp4csum-rx",IFCAP_CSUM_UDPv4_Rx,0, setifcaps }, 319 { "-udp4csum-rx",-IFCAP_CSUM_UDPv4_Rx,0, setifcaps }, 320 { "tso4", IFCAP_TSOv4, 0, setifcaps }, 321 { "-tso4", -IFCAP_TSOv4, 0, setifcaps }, 322 { "agrport", NEXTARG, 0, agraddport } , 323 { "-agrport", NEXTARG, 0, agrremport } , 324 { 0, 0, 0, setifaddr }, 325 { 0, 0, 0, setifdstaddr }, 326 }; 327 328 void adjust_nsellength(void); 329 int getinfo(struct ifreq *); 330 int carrier(void); 331 void getsock(int); 332 void printall(const char *); 333 void list_cloners(void); 334 int prefix(void *, int); 335 void status(const struct sockaddr_dl *); 336 void usage(void); 337 const char *get_string(const char *, const char *, u_int8_t *, int *); 338 void print_string(const u_int8_t *, int); 339 char *sec2str(time_t); 340 341 void print_media_word(int, const char *); 342 void process_media_commands(void); 343 void init_current_media(void); 344 345 /* 346 * XNS support liberally adapted from code written at the University of 347 * Maryland principally by James O'Toole and Chris Torek. 348 */ 349 void in_alias(struct ifreq *); 350 void in_status(int); 351 void in_getaddr(const char *, int); 352 void in_getprefix(const char *, int); 353 #ifdef INET6 354 void in6_fillscopeid(struct sockaddr_in6 *sin6); 355 void in6_alias(struct in6_ifreq *); 356 void in6_status(int); 357 void in6_getaddr(const char *, int); 358 void in6_getprefix(const char *, int); 359 #endif 360 void at_status(int); 361 void at_getaddr(const char *, int); 362 void xns_status(int); 363 void xns_getaddr(const char *, int); 364 void iso_status(int); 365 void iso_getaddr(const char *, int); 366 367 void ieee80211_statistics(void); 368 void ieee80211_status(void); 369 void tunnel_status(void); 370 void vlan_status(void); 371 372 /* Known address families */ 373 struct afswtch { 374 const char *af_name; 375 short af_af; 376 void (*af_status)(int); 377 void (*af_getaddr)(const char *, int); 378 void (*af_getprefix)(const char *, int); 379 u_long af_difaddr; 380 u_long af_aifaddr; 381 u_long af_gifaddr; 382 void *af_ridreq; 383 void *af_addreq; 384 } afs[] = { 385 { "inet", AF_INET, in_status, in_getaddr, in_getprefix, 386 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, &ridreq, &in_addreq }, 387 #ifdef INET6 388 { "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix, 389 SIOCDIFADDR_IN6, SIOCAIFADDR_IN6, 390 /* 391 * Deleting the first address before setting new one is 392 * not prefered way in this protocol. 393 */ 394 0, 395 &in6_ridreq, &in6_addreq }, 396 #endif 397 #ifndef INET_ONLY /* small version, for boot media */ 398 { "atalk", AF_APPLETALK, at_status, at_getaddr, NULL, 399 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, &addreq, &addreq }, 400 { "ns", AF_NS, xns_status, xns_getaddr, NULL, 401 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, &ridreq, &addreq }, 402 { "iso", AF_ISO, iso_status, iso_getaddr, NULL, 403 SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, SIOCGIFADDR_ISO, 404 &iso_ridreq, &iso_addreq }, 405 #endif /* INET_ONLY */ 406 { 0, 0, 0, 0 } 407 }; 408 409 struct afswtch *afp; /*the address family being set or asked about*/ 410 411 struct afswtch *lookup_af(const char *); 412 413 int 414 main(int argc, char *argv[]) 415 { 416 int ch; 417 418 /* Parse command-line options */ 419 aflag = mflag = vflag = zflag = 0; 420 while ((ch = getopt(argc, argv, "AabCdlmsuvz" 421 #ifdef INET6 422 "L" 423 #endif 424 )) != -1) { 425 switch (ch) { 426 case 'A': 427 warnx("-A is deprecated"); 428 break; 429 430 case 'a': 431 aflag = 1; 432 break; 433 434 case 'b': 435 bflag = 1; 436 break; 437 438 case 'C': 439 Cflag = 1; 440 break; 441 442 case 'd': 443 dflag = 1; 444 break; 445 446 #ifdef INET6 447 case 'L': 448 Lflag = 1; 449 break; 450 #endif 451 452 case 'l': 453 lflag = 1; 454 break; 455 456 case 'm': 457 mflag = 1; 458 break; 459 460 case 's': 461 sflag = 1; 462 break; 463 464 case 'u': 465 uflag = 1; 466 break; 467 468 case 'v': 469 vflag = 1; 470 break; 471 472 case 'z': 473 zflag = 1; 474 break; 475 476 477 default: 478 usage(); 479 /* NOTREACHED */ 480 } 481 } 482 argc -= optind; 483 argv += optind; 484 485 /* 486 * -l means "list all interfaces", and is mutally exclusive with 487 * all other flags/commands. 488 * 489 * -C means "list all names of cloners", and it mutually exclusive 490 * with all other flags/commands. 491 * 492 * -a means "print status of all interfaces". 493 */ 494 if ((lflag || Cflag) && (aflag || mflag || vflag || argc || zflag)) 495 usage(); 496 #ifdef INET6 497 if ((lflag || Cflag) && Lflag) 498 usage(); 499 #endif 500 if (lflag && Cflag) 501 usage(); 502 if (Cflag) { 503 if (argc) 504 usage(); 505 list_cloners(); 506 exit(0); 507 } 508 if (aflag || lflag) { 509 if (argc > 1) 510 usage(); 511 else if (argc == 1) { 512 afp = lookup_af(argv[0]); 513 if (afp == NULL) 514 usage(); 515 } 516 if (afp) 517 af = ifr.ifr_addr.sa_family = afp->af_af; 518 else 519 af = ifr.ifr_addr.sa_family = afs[0].af_af; 520 printall(NULL); 521 exit(0); 522 } 523 524 /* Make sure there's an interface name. */ 525 if (argc < 1) 526 usage(); 527 if (strlcpy(name, argv[0], sizeof(name)) >= sizeof(name)) 528 errx(1, "interface name '%s' too long", argv[0]); 529 argc--; argv++; 530 531 /* 532 * NOTE: We must special-case the `create' command right 533 * here as we would otherwise fail in getinfo(). 534 */ 535 if (argc > 0 && strcmp(argv[0], "create") == 0) { 536 clone_create(argv[0], 0); 537 argc--, argv++; 538 if (argc == 0) 539 exit(0); 540 } 541 542 /* Check for address family. */ 543 afp = NULL; 544 if (argc > 0) { 545 afp = lookup_af(argv[0]); 546 if (afp != NULL) { 547 argv++; 548 argc--; 549 } 550 } 551 552 /* Initialize af, just for use in getinfo(). */ 553 if (afp == NULL) 554 af = afs->af_af; 555 else 556 af = afp->af_af; 557 558 /* Get information about the interface. */ 559 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 560 if (getinfo(&ifr) < 0) 561 exit(1); 562 563 if (sflag) { 564 if (argc != 0) 565 usage(); 566 else 567 exit(carrier()); 568 } 569 570 /* No more arguments means interface status. */ 571 if (argc == 0) { 572 printall(name); 573 exit(0); 574 } 575 576 /* The following operations assume inet family as the default. */ 577 if (afp == NULL) 578 afp = afs; 579 af = ifr.ifr_addr.sa_family = afp->af_af; 580 581 #ifdef INET6 582 /* initialization */ 583 in6_addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; 584 in6_addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; 585 #endif 586 587 /* Process commands. */ 588 while (argc > 0) { 589 const struct cmd *p; 590 591 for (p = cmds; p->c_name; p++) 592 if (strcmp(argv[0], p->c_name) == 0) 593 break; 594 if (p->c_name == 0 && setaddr) { 595 if ((flags & IFF_POINTOPOINT) == 0) { 596 errx(EXIT_FAILURE, 597 "can't set destination address %s", 598 "on non-point-to-point link"); 599 } 600 p++; /* got src, do dst */ 601 } 602 if (p->c_func != NULL || p->c_func2 != NULL) { 603 if (p->c_parameter == NEXTARG) { 604 if (argc < 2) 605 errx(EXIT_FAILURE, 606 "'%s' requires argument", 607 p->c_name); 608 (*p->c_func)(argv[1], 0); 609 argc--, argv++; 610 } else if (p->c_parameter == NEXTARG2) { 611 if (argc < 3) 612 errx(EXIT_FAILURE, 613 "'%s' requires 2 arguments", 614 p->c_name); 615 (*p->c_func2)(argv[1], argv[2]); 616 argc -= 2, argv += 2; 617 } else 618 (*p->c_func)(argv[0], p->c_parameter); 619 actions |= p->c_action; 620 } 621 argc--, argv++; 622 } 623 624 /* 625 * See if multiple alias, -alias, or delete commands were 626 * specified. More than one constitutes an invalid command line 627 */ 628 629 if (conflicting > 1) 630 errx(EXIT_FAILURE, 631 "Only one use of alias, -alias or delete is valid."); 632 633 /* Process any media commands that may have been issued. */ 634 process_media_commands(); 635 636 if (af == AF_INET6 && explicit_prefix == 0) { 637 /* 638 * Aggregatable address architecture defines all prefixes 639 * are 64. So, it is convenient to set prefixlen to 64 if 640 * it is not specified. 641 */ 642 setifprefixlen("64", 0); 643 /* in6_getprefix("64", MASK) if MASK is available here... */ 644 } 645 646 #ifndef INET_ONLY 647 if (af == AF_ISO) 648 adjust_nsellength(); 649 650 if (af == AF_APPLETALK) 651 checkatrange((struct sockaddr_at *) &addreq.ifra_addr); 652 653 if (setipdst && af==AF_NS) { 654 struct nsip_req rq; 655 int size = sizeof(rq); 656 657 rq.rq_ns = addreq.ifra_addr; 658 rq.rq_ip = addreq.ifra_dstaddr; 659 660 if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0) 661 warn("encapsulation routing"); 662 } 663 664 #endif /* INET_ONLY */ 665 666 if (clearaddr) { 667 (void) strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name); 668 if (ioctl(s, afp->af_difaddr, afp->af_ridreq) == -1) 669 err(EXIT_FAILURE, "SIOCDIFADDR"); 670 } 671 if (newaddr > 0) { 672 (void) strncpy(afp->af_addreq, name, sizeof ifr.ifr_name); 673 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) == -1) 674 warn("SIOCAIFADDR"); 675 } 676 677 if (g_ifcr_updated) { 678 (void) strncpy(g_ifcr.ifcr_name, name, 679 sizeof(g_ifcr.ifcr_name)); 680 if (ioctl(s, SIOCSIFCAP, &g_ifcr) == -1) 681 err(EXIT_FAILURE, "SIOCSIFCAP"); 682 } 683 684 exit(0); 685 } 686 687 struct afswtch * 688 lookup_af(const char *cp) 689 { 690 struct afswtch *a; 691 692 for (a = afs; a->af_name != NULL; a++) 693 if (strcmp(a->af_name, cp) == 0) 694 return (a); 695 return (NULL); 696 } 697 698 void 699 getsock(int naf) 700 { 701 static int oaf = -1; 702 703 if (oaf == naf) 704 return; 705 if (oaf != -1) 706 close(s); 707 s = socket(naf, SOCK_DGRAM, 0); 708 if (s < 0) 709 oaf = -1; 710 else 711 oaf = naf; 712 } 713 714 int 715 getinfo(struct ifreq *giifr) 716 { 717 718 getsock(af); 719 if (s < 0) 720 err(EXIT_FAILURE, "socket"); 721 if (ioctl(s, SIOCGIFFLAGS, giifr) == -1) { 722 warn("SIOCGIFFLAGS %s", giifr->ifr_name); 723 return (-1); 724 } 725 flags = giifr->ifr_flags; 726 if (ioctl(s, SIOCGIFMETRIC, giifr) == -1) { 727 warn("SIOCGIFMETRIC %s", giifr->ifr_name); 728 metric = 0; 729 } else 730 metric = giifr->ifr_metric; 731 if (ioctl(s, SIOCGIFMTU, giifr) == -1) 732 mtu = 0; 733 else 734 mtu = giifr->ifr_mtu; 735 736 memset(&g_ifcr, 0, sizeof(g_ifcr)); 737 strcpy(g_ifcr.ifcr_name, giifr->ifr_name); 738 (void) ioctl(s, SIOCGIFCAP, &g_ifcr); 739 740 return (0); 741 } 742 743 void 744 printall(const char *ifname) 745 { 746 struct ifaddrs *ifap, *ifa; 747 struct ifreq paifr; 748 const struct sockaddr_dl *sdl = NULL; 749 int idx; 750 char *p; 751 752 if (getifaddrs(&ifap) != 0) 753 err(EXIT_FAILURE, "getifaddrs"); 754 p = NULL; 755 idx = 0; 756 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 757 memset(&paifr, 0, sizeof(paifr)); 758 strncpy(paifr.ifr_name, ifa->ifa_name, sizeof(paifr.ifr_name)); 759 if (sizeof(paifr.ifr_addr) >= ifa->ifa_addr->sa_len) { 760 memcpy(&paifr.ifr_addr, ifa->ifa_addr, 761 ifa->ifa_addr->sa_len); 762 } 763 764 if (ifname && strcmp(ifname, ifa->ifa_name) != 0) 765 continue; 766 if (ifa->ifa_addr->sa_family == AF_LINK) 767 sdl = (const struct sockaddr_dl *) ifa->ifa_addr; 768 if (p && strcmp(p, ifa->ifa_name) == 0) 769 continue; 770 if (strlcpy(name, ifa->ifa_name, sizeof(name)) >= sizeof(name)) 771 continue; 772 p = ifa->ifa_name; 773 774 if (getinfo(&paifr) < 0) 775 continue; 776 if (bflag && (ifa->ifa_flags & IFF_BROADCAST) == 0) 777 continue; 778 if (dflag && (ifa->ifa_flags & IFF_UP) != 0) 779 continue; 780 if (uflag && (ifa->ifa_flags & IFF_UP) == 0) 781 continue; 782 783 if (sflag && carrier()) 784 continue; 785 idx++; 786 /* 787 * Are we just listing the interfaces? 788 */ 789 if (lflag) { 790 if (idx > 1) 791 printf(" "); 792 fputs(name, stdout); 793 continue; 794 } 795 796 status(sdl); 797 sdl = NULL; 798 } 799 if (lflag) 800 printf("\n"); 801 freeifaddrs(ifap); 802 } 803 804 void 805 list_cloners(void) 806 { 807 struct if_clonereq ifcr; 808 char *cp, *buf; 809 int idx; 810 811 memset(&ifcr, 0, sizeof(ifcr)); 812 813 getsock(AF_INET); 814 815 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 816 err(EXIT_FAILURE, "SIOCIFGCLONERS for count"); 817 818 buf = malloc(ifcr.ifcr_total * IFNAMSIZ); 819 if (buf == NULL) 820 err(EXIT_FAILURE, "unable to allocate cloner name buffer"); 821 822 ifcr.ifcr_count = ifcr.ifcr_total; 823 ifcr.ifcr_buffer = buf; 824 825 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 826 err(EXIT_FAILURE, "SIOCIFGCLONERS for names"); 827 828 /* 829 * In case some disappeared in the mean time, clamp it down. 830 */ 831 if (ifcr.ifcr_count > ifcr.ifcr_total) 832 ifcr.ifcr_count = ifcr.ifcr_total; 833 834 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) { 835 if (idx > 0) 836 printf(" "); 837 printf("%s", cp); 838 } 839 840 printf("\n"); 841 free(buf); 842 return; 843 } 844 845 /*ARGSUSED*/ 846 void 847 clone_create(const char *addr, int param) 848 { 849 850 /* We're called early... */ 851 getsock(AF_INET); 852 853 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 854 if (ioctl(s, SIOCIFCREATE, &ifr) == -1) 855 err(EXIT_FAILURE, "SIOCIFCREATE"); 856 } 857 858 /*ARGSUSED*/ 859 void 860 clone_destroy(const char *addr, int param) 861 { 862 863 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 864 if (ioctl(s, SIOCIFDESTROY, &ifr) == -1) 865 err(EXIT_FAILURE, "SIOCIFDESTROY"); 866 } 867 868 #define RIDADDR 0 869 #define ADDR 1 870 #define MASK 2 871 #define DSTADDR 3 872 873 /*ARGSUSED*/ 874 void 875 setifaddr(const char *addr, int param) 876 { 877 struct ifreq *siifr; /* XXX */ 878 879 /* 880 * Delay the ioctl to set the interface addr until flags are all set. 881 * The address interpretation may depend on the flags, 882 * and the flags may change when the address is set. 883 */ 884 setaddr++; 885 if (newaddr == -1) 886 newaddr = 1; 887 if (doalias == 0 && afp->af_gifaddr != 0) { 888 siifr = (struct ifreq *)afp->af_ridreq; 889 (void) strncpy(siifr->ifr_name, name, sizeof(siifr->ifr_name)); 890 siifr->ifr_addr.sa_family = afp->af_af; 891 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0) 892 clearaddr = 1; 893 else if (errno == EADDRNOTAVAIL) 894 /* No address was assigned yet. */ 895 ; 896 else 897 err(EXIT_FAILURE, "SIOCGIFADDR"); 898 } 899 900 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 901 } 902 903 void 904 settunnel(const char *src, const char *dst) 905 { 906 struct addrinfo hints, *srcres, *dstres; 907 int ecode; 908 struct if_laddrreq req; 909 910 memset(&hints, 0, sizeof(hints)); 911 hints.ai_family = afp->af_af; 912 hints.ai_socktype = SOCK_DGRAM; /*dummy*/ 913 914 if ((ecode = getaddrinfo(src, NULL, &hints, &srcres)) != 0) 915 errx(EXIT_FAILURE, "error in parsing address string: %s", 916 gai_strerror(ecode)); 917 918 if ((ecode = getaddrinfo(dst, NULL, &hints, &dstres)) != 0) 919 errx(EXIT_FAILURE, "error in parsing address string: %s", 920 gai_strerror(ecode)); 921 922 if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family) 923 errx(EXIT_FAILURE, 924 "source and destination address families do not match"); 925 926 if (srcres->ai_addrlen > sizeof(req.addr) || 927 dstres->ai_addrlen > sizeof(req.dstaddr)) 928 errx(EXIT_FAILURE, "invalid sockaddr"); 929 930 memset(&req, 0, sizeof(req)); 931 strncpy(req.iflr_name, name, sizeof(req.iflr_name)); 932 memcpy(&req.addr, srcres->ai_addr, srcres->ai_addrlen); 933 memcpy(&req.dstaddr, dstres->ai_addr, dstres->ai_addrlen); 934 935 #ifdef INET6 936 if (req.addr.ss_family == AF_INET6) { 937 struct sockaddr_in6 *s6, *d; 938 939 s6 = (struct sockaddr_in6 *)&req.addr; 940 d = (struct sockaddr_in6 *)&req.dstaddr; 941 if (s6->sin6_scope_id != d->sin6_scope_id) { 942 errx(EXIT_FAILURE, "scope mismatch"); 943 /* NOTREACHED */ 944 } 945 #ifdef __KAME__ 946 /* embed scopeid */ 947 if (s6->sin6_scope_id && 948 (IN6_IS_ADDR_LINKLOCAL(&s6->sin6_addr) || 949 IN6_IS_ADDR_MC_LINKLOCAL(&s6->sin6_addr))) { 950 *(u_int16_t *)&s6->sin6_addr.s6_addr[2] = 951 htons(s6->sin6_scope_id); 952 } 953 if (d->sin6_scope_id && 954 (IN6_IS_ADDR_LINKLOCAL(&d->sin6_addr) || 955 IN6_IS_ADDR_MC_LINKLOCAL(&d->sin6_addr))) { 956 *(u_int16_t *)&d->sin6_addr.s6_addr[2] = 957 htons(d->sin6_scope_id); 958 } 959 #endif 960 } 961 #endif 962 963 if (ioctl(s, SIOCSLIFPHYADDR, &req) == -1) 964 warn("SIOCSLIFPHYADDR"); 965 966 freeaddrinfo(srcres); 967 freeaddrinfo(dstres); 968 } 969 970 /* ARGSUSED */ 971 void 972 deletetunnel(const char *vname, int param) 973 { 974 975 if (ioctl(s, SIOCDIFPHYADDR, &ifr) == -1) 976 err(EXIT_FAILURE, "SIOCDIFPHYADDR"); 977 } 978 979 void 980 setvlan(const char *val, int d) 981 { 982 struct vlanreq vlr; 983 984 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 985 !isdigit((unsigned char)ifr.ifr_name[4])) 986 errx(EXIT_FAILURE, 987 "``vlan'' valid only with vlan(4) interfaces"); 988 989 vlan_tag = atoi(val); 990 991 memset(&vlr, 0, sizeof(vlr)); 992 ifr.ifr_data = (void *)&vlr; 993 994 if (ioctl(s, SIOCGETVLAN, &ifr) == -1) 995 err(EXIT_FAILURE, "SIOCGETVLAN"); 996 997 vlr.vlr_tag = vlan_tag; 998 999 if (ioctl(s, SIOCSETVLAN, &ifr) == -1) 1000 err(EXIT_FAILURE, "SIOCSETVLAN"); 1001 } 1002 1003 void 1004 setvlanif(const char *val, int d) 1005 { 1006 struct vlanreq vlr; 1007 1008 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1009 !isdigit((unsigned char)ifr.ifr_name[4])) 1010 errx(EXIT_FAILURE, 1011 "``vlanif'' valid only with vlan(4) interfaces"); 1012 1013 if (vlan_tag == (u_int)-1) 1014 errx(EXIT_FAILURE, 1015 "must specify both ``vlan'' and ``vlanif''"); 1016 1017 memset(&vlr, 0, sizeof(vlr)); 1018 ifr.ifr_data = (void *)&vlr; 1019 1020 if (ioctl(s, SIOCGETVLAN, &ifr) == -1) 1021 err(EXIT_FAILURE, "SIOCGETVLAN"); 1022 1023 strlcpy(vlr.vlr_parent, val, sizeof(vlr.vlr_parent)); 1024 vlr.vlr_tag = vlan_tag; 1025 1026 if (ioctl(s, SIOCSETVLAN, &ifr) == -1) 1027 err(EXIT_FAILURE, "SIOCSETVLAN"); 1028 } 1029 1030 void 1031 unsetvlanif(const char *val, int d) 1032 { 1033 struct vlanreq vlr; 1034 1035 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1036 !isdigit((unsigned char)ifr.ifr_name[4])) 1037 errx(EXIT_FAILURE, 1038 "``vlanif'' valid only with vlan(4) interfaces"); 1039 1040 memset(&vlr, 0, sizeof(vlr)); 1041 ifr.ifr_data = (void *)&vlr; 1042 1043 if (ioctl(s, SIOCGETVLAN, &ifr) == -1) 1044 err(EXIT_FAILURE, "SIOCGETVLAN"); 1045 1046 vlr.vlr_parent[0] = '\0'; 1047 vlr.vlr_tag = 0; 1048 1049 if (ioctl(s, SIOCSETVLAN, &ifr) == -1) 1050 err(EXIT_FAILURE, "SIOCSETVLAN"); 1051 } 1052 1053 void 1054 setifnetmask(const char *addr, int d) 1055 { 1056 (*afp->af_getaddr)(addr, MASK); 1057 } 1058 1059 void 1060 setifbroadaddr(const char *addr, int d) 1061 { 1062 (*afp->af_getaddr)(addr, DSTADDR); 1063 } 1064 1065 void 1066 setifipdst(const char *addr, int d) 1067 { 1068 in_getaddr(addr, DSTADDR); 1069 setipdst++; 1070 clearaddr = 0; 1071 newaddr = 0; 1072 } 1073 1074 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 1075 /*ARGSUSED*/ 1076 void 1077 notealias(const char *addr, int param) 1078 { 1079 if (setaddr && doalias == 0 && param < 0) 1080 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 1081 rqtosa(af_addreq)->sa_len); 1082 doalias = param; 1083 if (param < 0) { 1084 clearaddr = 1; 1085 newaddr = 0; 1086 conflicting++; 1087 } else { 1088 clearaddr = 0; 1089 conflicting++; 1090 } 1091 } 1092 1093 /*ARGSUSED*/ 1094 void 1095 notrailers(const char *vname, int value) 1096 { 1097 puts("Note: trailers are no longer sent, but always received"); 1098 } 1099 1100 /*ARGSUSED*/ 1101 void 1102 setifdstaddr(const char *addr, int param) 1103 { 1104 (*afp->af_getaddr)(addr, DSTADDR); 1105 } 1106 1107 void 1108 setifflags(const char *vname, int value) 1109 { 1110 struct ifreq ifreq; 1111 1112 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 1113 if (ioctl(s, SIOCGIFFLAGS, &ifreq) == -1) 1114 err(EXIT_FAILURE, "SIOCGIFFLAGS"); 1115 flags = ifreq.ifr_flags; 1116 1117 if (value < 0) { 1118 value = -value; 1119 flags &= ~value; 1120 } else 1121 flags |= value; 1122 ifreq.ifr_flags = flags; 1123 if (ioctl(s, SIOCSIFFLAGS, &ifreq) == -1) 1124 err(EXIT_FAILURE, "SIOCSIFFLAGS"); 1125 } 1126 1127 void 1128 setifcaps(const char *vname, int value) 1129 { 1130 1131 if (value < 0) { 1132 value = -value; 1133 g_ifcr.ifcr_capenable &= ~value; 1134 } else 1135 g_ifcr.ifcr_capenable |= value; 1136 1137 g_ifcr_updated = 1; 1138 } 1139 1140 #ifdef INET6 1141 void 1142 setia6flags(const char *vname, int value) 1143 { 1144 1145 if (value < 0) { 1146 value = -value; 1147 in6_addreq.ifra_flags &= ~value; 1148 } else 1149 in6_addreq.ifra_flags |= value; 1150 } 1151 1152 void 1153 setia6pltime(const char *val, int d) 1154 { 1155 1156 setia6lifetime("pltime", val); 1157 } 1158 1159 void 1160 setia6vltime(const char *val, int d) 1161 { 1162 1163 setia6lifetime("vltime", val); 1164 } 1165 1166 void 1167 setia6lifetime(const char *cmd, const char *val) 1168 { 1169 time_t newval, t; 1170 char *ep; 1171 1172 t = time(NULL); 1173 newval = (time_t)strtoul(val, &ep, 0); 1174 if (val == ep) 1175 errx(EXIT_FAILURE, "invalid %s", cmd); 1176 if (afp->af_af != AF_INET6) 1177 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd); 1178 if (strcmp(cmd, "vltime") == 0) { 1179 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 1180 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 1181 } else if (strcmp(cmd, "pltime") == 0) { 1182 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 1183 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 1184 } 1185 } 1186 1187 void 1188 setia6eui64(const char *cmd, int val) 1189 { 1190 struct ifaddrs *ifap, *ifa; 1191 const struct sockaddr_in6 *sin6 = NULL; 1192 const struct in6_addr *lladdr = NULL; 1193 struct in6_addr *in6; 1194 1195 if (afp->af_af != AF_INET6) 1196 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd); 1197 in6 = (struct in6_addr *)&in6_addreq.ifra_addr.sin6_addr; 1198 if (memcmp(&in6addr_any.s6_addr[8], &in6->s6_addr[8], 8) != 0) 1199 errx(EXIT_FAILURE, "interface index is already filled"); 1200 if (getifaddrs(&ifap) != 0) 1201 err(EXIT_FAILURE, "getifaddrs"); 1202 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 1203 if (ifa->ifa_addr->sa_family == AF_INET6 && 1204 strcmp(ifa->ifa_name, name) == 0) { 1205 sin6 = (const struct sockaddr_in6 *)ifa->ifa_addr; 1206 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1207 lladdr = &sin6->sin6_addr; 1208 break; 1209 } 1210 } 1211 } 1212 if (!lladdr) 1213 errx(EXIT_FAILURE, "could not determine link local address"); 1214 1215 memcpy(&in6->s6_addr[8], &lladdr->s6_addr[8], 8); 1216 1217 freeifaddrs(ifap); 1218 } 1219 #endif 1220 1221 void 1222 setifmetric(const char *val, int d) 1223 { 1224 char *ep = NULL; 1225 1226 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1227 ifr.ifr_metric = strtoul(val, &ep, 10); 1228 if (!ep || *ep) 1229 errx(EXIT_FAILURE, "%s: invalid metric", val); 1230 if (ioctl(s, SIOCSIFMETRIC, &ifr) == -1) 1231 warn("SIOCSIFMETRIC"); 1232 } 1233 1234 void 1235 setifmtu(const char *val, int d) 1236 { 1237 char *ep = NULL; 1238 1239 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1240 ifr.ifr_mtu = strtoul(val, &ep, 10); 1241 if (!ep || *ep) 1242 errx(EXIT_FAILURE, "%s: invalid mtu", val); 1243 if (ioctl(s, SIOCSIFMTU, &ifr) == -1) 1244 warn("SIOCSIFMTU"); 1245 } 1246 1247 const char * 1248 get_string(const char *val, const char *sep, u_int8_t *buf, int *lenp) 1249 { 1250 int len; 1251 int hexstr; 1252 u_int8_t *p; 1253 1254 len = *lenp; 1255 p = buf; 1256 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 1257 if (hexstr) 1258 val += 2; 1259 for (;;) { 1260 if (*val == '\0') 1261 break; 1262 if (sep != NULL && strchr(sep, *val) != NULL) { 1263 val++; 1264 break; 1265 } 1266 if (hexstr) { 1267 if (!isxdigit((u_char)val[0]) || 1268 !isxdigit((u_char)val[1])) { 1269 warnx("bad hexadecimal digits"); 1270 return NULL; 1271 } 1272 } 1273 if (p > buf + len) { 1274 if (hexstr) 1275 warnx("hexadecimal digits too long"); 1276 else 1277 warnx("strings too long"); 1278 return NULL; 1279 } 1280 if (hexstr) { 1281 #define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 1282 *p++ = (tohex((u_char)val[0]) << 4) | 1283 tohex((u_char)val[1]); 1284 #undef tohex 1285 val += 2; 1286 } else 1287 *p++ = *val++; 1288 } 1289 len = p - buf; 1290 if (len < *lenp) 1291 memset(p, 0, *lenp - len); 1292 *lenp = len; 1293 return val; 1294 } 1295 1296 void 1297 print_string(const u_int8_t *buf, int len) 1298 { 1299 int i; 1300 int hasspc; 1301 1302 i = 0; 1303 hasspc = 0; 1304 if (len < 2 || buf[0] != '0' || tolower(buf[1]) != 'x') { 1305 for (; i < len; i++) { 1306 if (!isprint(buf[i])) 1307 break; 1308 if (isspace(buf[i])) 1309 hasspc++; 1310 } 1311 } 1312 if (i == len) { 1313 if (hasspc || len == 0) 1314 printf("\"%.*s\"", len, buf); 1315 else 1316 printf("%.*s", len, buf); 1317 } else { 1318 printf("0x"); 1319 for (i = 0; i < len; i++) 1320 printf("%02x", buf[i]); 1321 } 1322 } 1323 1324 void 1325 setifnwid(const char *val, int d) 1326 { 1327 struct ieee80211_nwid nwid; 1328 int len; 1329 1330 len = sizeof(nwid.i_nwid); 1331 if (get_string(val, NULL, nwid.i_nwid, &len) == NULL) 1332 return; 1333 nwid.i_len = len; 1334 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1335 ifr.ifr_data = (void *)&nwid; 1336 if (ioctl(s, SIOCS80211NWID, &ifr) == -1) 1337 warn("SIOCS80211NWID"); 1338 } 1339 1340 void 1341 setifbssid(const char *val, int d) 1342 { 1343 struct ieee80211_bssid bssid; 1344 struct ether_addr *ea; 1345 1346 if (d != 0) { 1347 /* no BSSID is especially desired */ 1348 memset(&bssid.i_bssid, 0, sizeof(bssid.i_bssid)); 1349 } else { 1350 ea = ether_aton(val); 1351 if (ea == NULL) { 1352 warnx("malformed BSSID: %s", val); 1353 return; 1354 } 1355 memcpy(&bssid.i_bssid, ea->ether_addr_octet, 1356 sizeof(bssid.i_bssid)); 1357 } 1358 (void)strncpy(bssid.i_name, name, sizeof(bssid.i_name)); 1359 if (ioctl(s, SIOCS80211BSSID, &bssid) == -1) 1360 warn("SIOCS80211BSSID"); 1361 } 1362 1363 void 1364 setifchan(const char *val, int d) 1365 { 1366 struct ieee80211chanreq channel; 1367 int chan; 1368 1369 if (d != 0) 1370 chan = IEEE80211_CHAN_ANY; 1371 else { 1372 chan = atoi(val); 1373 if (chan < 0 || chan > 0xffff) { 1374 warnx("invalid channel: %s", val); 1375 return; 1376 } 1377 } 1378 1379 (void)strncpy(channel.i_name, name, sizeof(channel.i_name)); 1380 channel.i_channel = (u_int16_t) chan; 1381 if (ioctl(s, SIOCS80211CHANNEL, &channel) == -1) 1382 warn("SIOCS80211CHANNEL"); 1383 } 1384 1385 void 1386 setifnwkey(const char *val, int d) 1387 { 1388 struct ieee80211_nwkey nwkey; 1389 int i; 1390 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1391 1392 nwkey.i_wepon = IEEE80211_NWKEY_WEP; 1393 nwkey.i_defkid = 1; 1394 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1395 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1396 nwkey.i_key[i].i_keydat = keybuf[i]; 1397 } 1398 if (d != 0) { 1399 /* disable WEP encryption */ 1400 nwkey.i_wepon = 0; 1401 i = 0; 1402 } else if (strcasecmp("persist", val) == 0) { 1403 /* use all values from persistent memory */ 1404 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1405 nwkey.i_defkid = 0; 1406 for (i = 0; i < IEEE80211_WEP_NKID; i++) 1407 nwkey.i_key[i].i_keylen = -1; 1408 } else if (strncasecmp("persist:", val, 8) == 0) { 1409 val += 8; 1410 /* program keys in persistent memory */ 1411 nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST; 1412 goto set_nwkey; 1413 } else { 1414 set_nwkey: 1415 if (isdigit((unsigned char)val[0]) && val[1] == ':') { 1416 /* specifying a full set of four keys */ 1417 nwkey.i_defkid = val[0] - '0'; 1418 val += 2; 1419 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1420 val = get_string(val, ",", keybuf[i], 1421 &nwkey.i_key[i].i_keylen); 1422 if (val == NULL) 1423 return; 1424 } 1425 if (*val != '\0') { 1426 warnx("SIOCS80211NWKEY: too many keys."); 1427 return; 1428 } 1429 } else { 1430 val = get_string(val, NULL, keybuf[0], 1431 &nwkey.i_key[0].i_keylen); 1432 if (val == NULL) 1433 return; 1434 i = 1; 1435 } 1436 } 1437 for (; i < IEEE80211_WEP_NKID; i++) 1438 nwkey.i_key[i].i_keylen = 0; 1439 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1440 if (ioctl(s, SIOCS80211NWKEY, &nwkey) == -1) 1441 warn("SIOCS80211NWKEY"); 1442 } 1443 1444 void 1445 setifpowersave(const char *val, int d) 1446 { 1447 struct ieee80211_power power; 1448 1449 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1450 if (ioctl(s, SIOCG80211POWER, &power) == -1) { 1451 warn("SIOCG80211POWER"); 1452 return; 1453 } 1454 1455 power.i_enabled = d; 1456 if (ioctl(s, SIOCS80211POWER, &power) == -1) 1457 warn("SIOCS80211POWER"); 1458 } 1459 1460 void 1461 setifpowersavesleep(const char *val, int d) 1462 { 1463 struct ieee80211_power power; 1464 1465 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1466 if (ioctl(s, SIOCG80211POWER, &power) == -1) { 1467 warn("SIOCG80211POWER"); 1468 return; 1469 } 1470 1471 power.i_maxsleep = atoi(val); 1472 if (ioctl(s, SIOCS80211POWER, &power) == -1) 1473 warn("SIOCS80211POWER"); 1474 } 1475 1476 void 1477 ieee80211_statistics(void) 1478 { 1479 struct ieee80211_stats stats; 1480 1481 memset(&ifr, 0, sizeof(ifr)); 1482 ifr.ifr_data = (caddr_t)&stats; 1483 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1484 if (ioctl(s, (zflag) ? SIOCG80211ZSTATS : SIOCG80211STATS, 1485 (caddr_t)&ifr) == -1) 1486 return; 1487 #define RX_PRINT(desc, member) printf("\trx " desc ": %u\n", stats.member) 1488 #define TX_PRINT(desc, member) printf("\ttx " desc ": %u\n", stats.member) 1489 1490 RX_PRINT("too short", is_rx_tooshort); 1491 RX_PRINT("bad version", is_rx_badversion); 1492 RX_PRINT("wrong bss", is_rx_wrongbss); 1493 RX_PRINT("duplicate", is_rx_dup); 1494 RX_PRINT("wrong direction", is_rx_wrongdir); 1495 RX_PRINT("multicast echo", is_rx_mcastecho); 1496 RX_PRINT("STA not associated", is_rx_notassoc); 1497 RX_PRINT("WEP-encrypted but WEP not configured", is_rx_nowep); 1498 RX_PRINT("WEP processing failed", is_rx_wepfail); 1499 #if 0 1500 RX_PRINT("single (M)MSDU, both WEP/non-WEP fragments", is_rx_wepmix); 1501 RX_PRINT("non-consecutive fragments", is_rx_fragorder); 1502 #endif 1503 RX_PRINT("decapsulation failed", is_rx_decap); 1504 RX_PRINT("management-type discarded", is_rx_mgtdiscard); 1505 RX_PRINT("control-type discarded", is_rx_ctl); 1506 RX_PRINT("truncated rate set", is_rx_rstoobig); 1507 RX_PRINT("beacon/prresp element missing", is_rx_elem_missing); 1508 RX_PRINT("beacon/prresp element too big", is_rx_elem_toobig); 1509 RX_PRINT("beacon/prresp element too small", is_rx_elem_toosmall); 1510 RX_PRINT("beacon/prresp element unknown", is_rx_elem_unknown); 1511 RX_PRINT("invalid channel", is_rx_badchan); 1512 RX_PRINT("channel mismatch", is_rx_chanmismatch); 1513 RX_PRINT("failed node allocation", is_rx_nodealloc); 1514 RX_PRINT("SSID mismatch", is_rx_ssidmismatch); 1515 RX_PRINT("unsupported authentication algor.", is_rx_auth_unsupported); 1516 RX_PRINT("STA authentication failure", is_rx_auth_fail); 1517 RX_PRINT("association for wrong bss", is_rx_assoc_bss); 1518 RX_PRINT("association without authenication", is_rx_assoc_notauth); 1519 RX_PRINT("association capability mismatch", is_rx_assoc_capmismatch); 1520 RX_PRINT("association without rate match", is_rx_assoc_norate); 1521 RX_PRINT("deauthentication", is_rx_deauth); 1522 RX_PRINT("disassocation", is_rx_disassoc); 1523 RX_PRINT("unknown subtype", is_rx_badsubtype); 1524 RX_PRINT("failed, mbuf unavailable", is_rx_nombuf); 1525 RX_PRINT("failed, bad ICV", is_rx_decryptcrc); 1526 RX_PRINT("discard mgmt frame in ad-hoc demo mode", is_rx_ahdemo_mgt); 1527 RX_PRINT("bad authentication", is_rx_bad_auth); 1528 TX_PRINT("failed, mbuf unavailable", is_tx_nombuf); 1529 TX_PRINT("failed, no node", is_tx_nonode); 1530 TX_PRINT("unknown mgmt frame", is_tx_unknownmgt); 1531 printf("\tactive scans: %u\n", stats.is_scan_active); 1532 printf("\tpassive scans: %u\n", stats.is_scan_passive); 1533 printf("\tnodes timed-out for inactivity: %u\n", 1534 stats.is_node_timeout); 1535 printf("\tcrypto context memory unavailable: %u\n", 1536 stats.is_crypto_nomem); 1537 } 1538 1539 void 1540 ieee80211_status(void) 1541 { 1542 int i, nwkey_verbose; 1543 struct ieee80211_nwid nwid; 1544 struct ieee80211_nwkey nwkey; 1545 struct ieee80211_power power; 1546 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1547 struct ieee80211_bssid bssid; 1548 struct ieee80211chanreq channel; 1549 struct ether_addr ea; 1550 static const u_int8_t zero_macaddr[IEEE80211_ADDR_LEN]; 1551 1552 memset(&ifr, 0, sizeof(ifr)); 1553 ifr.ifr_data = (void *)&nwid; 1554 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1555 if (ioctl(s, SIOCG80211NWID, &ifr) == -1) 1556 return; 1557 if (nwid.i_len > IEEE80211_NWID_LEN) { 1558 warnx("SIOCG80211NWID: wrong length of nwid (%d)", nwid.i_len); 1559 return; 1560 } 1561 printf("\tssid "); 1562 print_string(nwid.i_nwid, nwid.i_len); 1563 memset(&nwkey, 0, sizeof(nwkey)); 1564 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1565 /* show nwkey only when WEP is enabled */ 1566 if (ioctl(s, SIOCG80211NWKEY, &nwkey) == -1 || 1567 nwkey.i_wepon == 0) { 1568 printf("\n"); 1569 goto skip_wep; 1570 } 1571 1572 printf(" nwkey "); 1573 /* try to retrieve WEP keys */ 1574 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1575 nwkey.i_key[i].i_keydat = keybuf[i]; 1576 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1577 } 1578 if (ioctl(s, SIOCG80211NWKEY, &nwkey) == -1) { 1579 printf("*****"); 1580 } else { 1581 nwkey_verbose = 0; 1582 /* check to see non default key or multiple keys defined */ 1583 if (nwkey.i_defkid != 1) { 1584 nwkey_verbose = 1; 1585 } else { 1586 for (i = 1; i < IEEE80211_WEP_NKID; i++) { 1587 if (nwkey.i_key[i].i_keylen != 0) { 1588 nwkey_verbose = 1; 1589 break; 1590 } 1591 } 1592 } 1593 /* check extra ambiguity with keywords */ 1594 if (!nwkey_verbose) { 1595 if (nwkey.i_key[0].i_keylen >= 2 && 1596 isdigit(nwkey.i_key[0].i_keydat[0]) && 1597 nwkey.i_key[0].i_keydat[1] == ':') 1598 nwkey_verbose = 1; 1599 else if (nwkey.i_key[0].i_keylen >= 7 && 1600 strncasecmp("persist", nwkey.i_key[0].i_keydat, 7) 1601 == 0) 1602 nwkey_verbose = 1; 1603 } 1604 if (nwkey_verbose) 1605 printf("%d:", nwkey.i_defkid); 1606 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1607 if (i > 0) 1608 printf(","); 1609 if (nwkey.i_key[i].i_keylen < 0) 1610 printf("persist"); 1611 else 1612 print_string(nwkey.i_key[i].i_keydat, 1613 nwkey.i_key[i].i_keylen); 1614 if (!nwkey_verbose) 1615 break; 1616 } 1617 } 1618 printf("\n"); 1619 1620 skip_wep: 1621 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1622 if (ioctl(s, SIOCG80211POWER, &power) == -1) 1623 goto skip_power; 1624 printf("\tpowersave "); 1625 if (power.i_enabled) 1626 printf("on (%dms sleep)", power.i_maxsleep); 1627 else 1628 printf("off"); 1629 printf("\n"); 1630 1631 skip_power: 1632 (void)strncpy(bssid.i_name, name, sizeof(bssid.i_name)); 1633 if (ioctl(s, SIOCG80211BSSID, &bssid) == -1) 1634 return; 1635 (void)strncpy(channel.i_name, name, sizeof(channel.i_name)); 1636 if (ioctl(s, SIOCG80211CHANNEL, &channel) == -1) 1637 return; 1638 if (memcmp(bssid.i_bssid, zero_macaddr, IEEE80211_ADDR_LEN) == 0) { 1639 if (channel.i_channel != (u_int16_t)-1) 1640 printf("\tchan %d\n", channel.i_channel); 1641 } else { 1642 memcpy(ea.ether_addr_octet, bssid.i_bssid, 1643 sizeof(ea.ether_addr_octet)); 1644 printf("\tbssid %s", ether_ntoa(&ea)); 1645 if (channel.i_channel != IEEE80211_CHAN_ANY) 1646 printf(" chan %d", channel.i_channel); 1647 printf("\n"); 1648 } 1649 } 1650 1651 static void 1652 media_error(int type, const char *val, const char *opt) 1653 { 1654 errx(EXIT_FAILURE, "unknown %s media %s: %s", 1655 get_media_type_string(type), opt, val); 1656 } 1657 1658 void 1659 init_current_media(void) 1660 { 1661 struct ifmediareq ifmr; 1662 1663 /* 1664 * If we have not yet done so, grab the currently-selected 1665 * media. 1666 */ 1667 if ((actions & (A_MEDIA|A_MEDIAOPT|A_MEDIAMODE)) == 0) { 1668 (void) memset(&ifmr, 0, sizeof(ifmr)); 1669 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1670 1671 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1672 /* 1673 * If we get E2BIG, the kernel is telling us 1674 * that there are more, so we can ignore it. 1675 */ 1676 if (errno != E2BIG) 1677 err(EXIT_FAILURE, "SGIOCGIFMEDIA"); 1678 } 1679 1680 media_current = ifmr.ifm_current; 1681 } 1682 1683 /* Sanity. */ 1684 if (IFM_TYPE(media_current) == 0) 1685 errx(EXIT_FAILURE, "%s: no link type?", name); 1686 } 1687 1688 void 1689 process_media_commands(void) 1690 { 1691 1692 if ((actions & (A_MEDIA|A_MEDIAOPT|A_MEDIAMODE)) == 0) { 1693 /* Nothing to do. */ 1694 return; 1695 } 1696 1697 /* 1698 * Media already set up, and commands sanity-checked. Set/clear 1699 * any options, and we're ready to go. 1700 */ 1701 media_current |= mediaopt_set; 1702 media_current &= ~mediaopt_clear; 1703 1704 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1705 ifr.ifr_media = media_current; 1706 1707 if (ioctl(s, SIOCSIFMEDIA, &ifr) == -1) 1708 err(EXIT_FAILURE, "SIOCSIFMEDIA"); 1709 } 1710 1711 void 1712 setmedia(const char *val, int d) 1713 { 1714 int type, subtype, inst; 1715 1716 init_current_media(); 1717 1718 /* Only one media command may be given. */ 1719 if (actions & A_MEDIA) 1720 errx(EXIT_FAILURE, "only one `media' command may be issued"); 1721 1722 /* Must not come after mode commands */ 1723 if (actions & A_MEDIAMODE) 1724 errx(EXIT_FAILURE, 1725 "may not issue `media' after `mode' commands"); 1726 1727 /* Must not come after mediaopt commands */ 1728 if (actions & A_MEDIAOPT) 1729 errx(EXIT_FAILURE, 1730 "may not issue `media' after `mediaopt' commands"); 1731 1732 /* 1733 * No need to check if `instance' has been issued; setmediainst() 1734 * craps out if `media' has not been specified. 1735 */ 1736 1737 type = IFM_TYPE(media_current); 1738 inst = IFM_INST(media_current); 1739 1740 /* Look up the subtype. */ 1741 subtype = get_media_subtype(type, val); 1742 if (subtype == -1) 1743 media_error(type, val, "subtype"); 1744 1745 /* Build the new current media word. */ 1746 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1747 1748 /* Media will be set after other processing is complete. */ 1749 } 1750 1751 void 1752 setmediaopt(const char *val, int d) 1753 { 1754 char *invalid; 1755 1756 init_current_media(); 1757 1758 /* Can only issue `mediaopt' once. */ 1759 if (actions & A_MEDIAOPTSET) 1760 errx(EXIT_FAILURE, "only one `mediaopt' command may be issued"); 1761 1762 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1763 if (actions & A_MEDIAINST) 1764 errx(EXIT_FAILURE, "may not issue `mediaopt' after `instance'"); 1765 1766 mediaopt_set = get_media_options(media_current, val, &invalid); 1767 if (mediaopt_set == -1) 1768 media_error(media_current, invalid, "option"); 1769 1770 /* Media will be set after other processing is complete. */ 1771 } 1772 1773 void 1774 unsetmediaopt(const char *val, int d) 1775 { 1776 char *invalid; 1777 1778 init_current_media(); 1779 1780 /* Can only issue `-mediaopt' once. */ 1781 if (actions & A_MEDIAOPTCLR) 1782 errx(EXIT_FAILURE, 1783 "only one `-mediaopt' command may be issued"); 1784 1785 /* May not issue `media' and `-mediaopt'. */ 1786 if (actions & A_MEDIA) 1787 errx(EXIT_FAILURE, 1788 "may not issue both `media' and `-mediaopt'"); 1789 1790 /* 1791 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1792 * implicitly checks for A_MEDIAINST. 1793 */ 1794 1795 mediaopt_clear = get_media_options(media_current, val, &invalid); 1796 if (mediaopt_clear == -1) 1797 media_error(media_current, invalid, "option"); 1798 1799 /* Media will be set after other processing is complete. */ 1800 } 1801 1802 void 1803 setmediainst(const char *val, int d) 1804 { 1805 int type, subtype, options, inst; 1806 1807 init_current_media(); 1808 1809 /* Can only issue `instance' once. */ 1810 if (actions & A_MEDIAINST) 1811 errx(EXIT_FAILURE, "only one `instance' command may be issued"); 1812 1813 /* Must have already specified `media' */ 1814 if ((actions & A_MEDIA) == 0) 1815 errx(EXIT_FAILURE, "must specify `media' before `instance'"); 1816 1817 type = IFM_TYPE(media_current); 1818 subtype = IFM_SUBTYPE(media_current); 1819 options = IFM_OPTIONS(media_current); 1820 1821 inst = atoi(val); 1822 if (inst < 0 || inst > IFM_INST_MAX) 1823 errx(EXIT_FAILURE, "invalid media instance: %s", val); 1824 1825 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1826 1827 /* Media will be set after other processing is complete. */ 1828 } 1829 1830 void 1831 setmediamode(const char *val, int d) 1832 { 1833 int type, subtype, options, inst, mode; 1834 1835 init_current_media(); 1836 1837 /* Can only issue `mode' once. */ 1838 if (actions & A_MEDIAMODE) 1839 errx(EXIT_FAILURE, "only one `mode' command may be issued"); 1840 1841 type = IFM_TYPE(media_current); 1842 subtype = IFM_SUBTYPE(media_current); 1843 options = IFM_OPTIONS(media_current); 1844 inst = IFM_INST(media_current); 1845 1846 mode = get_media_mode(type, val); 1847 if (mode == -1) 1848 media_error(type, val, "mode"); 1849 1850 media_current = IFM_MAKEWORD(type, subtype, options, inst) | mode; 1851 1852 /* Media will be set after other processing is complete. */ 1853 } 1854 1855 void 1856 print_media_word(int ifmw, const char *opt_sep) 1857 { 1858 const char *str; 1859 1860 printf("%s", get_media_subtype_string(ifmw)); 1861 1862 /* Find mode. */ 1863 if (IFM_MODE(ifmw) != 0) { 1864 str = get_media_mode_string(ifmw); 1865 if (str != NULL) 1866 printf(" mode %s", str); 1867 } 1868 1869 /* Find options. */ 1870 for (; (str = get_media_option_string(&ifmw)) != NULL; opt_sep = ",") 1871 printf("%s%s", opt_sep, str); 1872 1873 if (IFM_INST(ifmw) != 0) 1874 printf(" instance %d", IFM_INST(ifmw)); 1875 } 1876 1877 int 1878 carrier(void) 1879 { 1880 struct ifmediareq ifmr; 1881 1882 (void) memset(&ifmr, 0, sizeof(ifmr)); 1883 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1884 1885 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1886 /* 1887 * Interface doesn't support SIOC{G,S}IFMEDIA; 1888 * assume ok. 1889 */ 1890 return 0; 1891 } 1892 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1893 /* 1894 * Interface doesn't report media-valid status. 1895 * assume ok. 1896 */ 1897 return 0; 1898 } 1899 /* otherwise, return ok for active, not-ok if not active. */ 1900 return !(ifmr.ifm_status & IFM_ACTIVE); 1901 } 1902 1903 1904 #define IFFBITS \ 1905 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 1906 \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 1907 1908 #define IFCAPBITS \ 1909 "\020\1IP4CSUM\2TCP4CSUM\3UDP4CSUM\4TCP6CSUM\5UDP6CSUM\6TCP4CSUM_Rx\7UDP4CSUM_Rx\10TSO4" 1910 1911 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1912 1913 const struct ifmedia_status_description ifm_status_descriptions[] = 1914 IFM_STATUS_DESCRIPTIONS; 1915 1916 /* 1917 * Print the status of the interface. If an address family was 1918 * specified, show it and it only; otherwise, show them all. 1919 */ 1920 void 1921 status(const struct sockaddr_dl *sdl) 1922 { 1923 struct afswtch *p = afp; 1924 struct ifmediareq ifmr; 1925 struct ifdatareq ifdr; 1926 int *media_list, i; 1927 char hbuf[NI_MAXHOST]; 1928 char fbuf[BUFSIZ]; 1929 1930 (void)snprintb(fbuf, sizeof(fbuf), IFFBITS, flags); 1931 printf("%s: flags=%s", name, &fbuf[2]); 1932 if (metric) 1933 printf(" metric %lu", metric); 1934 if (mtu) 1935 printf(" mtu %lu", mtu); 1936 printf("\n"); 1937 1938 if (g_ifcr.ifcr_capabilities) { 1939 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 1940 g_ifcr.ifcr_capabilities); 1941 printf("\tcapabilities=%s\n", &fbuf[2]); 1942 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 1943 g_ifcr.ifcr_capenable); 1944 printf("\tenabled=%s\n", &fbuf[2]); 1945 } 1946 1947 ieee80211_status(); 1948 vlan_status(); 1949 tunnel_status(); 1950 agr_status(); 1951 1952 if (sdl != NULL && 1953 getnameinfo((const struct sockaddr *)sdl, sdl->sdl_len, 1954 hbuf, sizeof(hbuf), NULL, 0, NI_NUMERICHOST) == 0 && 1955 hbuf[0] != '\0') 1956 printf("\taddress: %s\n", hbuf); 1957 1958 (void) memset(&ifmr, 0, sizeof(ifmr)); 1959 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1960 1961 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1962 /* 1963 * Interface doesn't support SIOC{G,S}IFMEDIA. 1964 */ 1965 goto iface_stats; 1966 } 1967 1968 if (ifmr.ifm_count == 0) { 1969 warnx("%s: no media types?", name); 1970 goto iface_stats; 1971 } 1972 1973 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1974 if (media_list == NULL) 1975 err(EXIT_FAILURE, "malloc"); 1976 ifmr.ifm_ulist = media_list; 1977 1978 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) 1979 err(EXIT_FAILURE, "SIOCGIFMEDIA"); 1980 1981 printf("\tmedia: %s ", get_media_type_string(ifmr.ifm_current)); 1982 print_media_word(ifmr.ifm_current, " "); 1983 if (ifmr.ifm_active != ifmr.ifm_current) { 1984 printf(" ("); 1985 print_media_word(ifmr.ifm_active, " "); 1986 printf(")"); 1987 } 1988 printf("\n"); 1989 1990 if (ifmr.ifm_status & IFM_STATUS_VALID) { 1991 const struct ifmedia_status_description *ifms; 1992 int bitno, found = 0; 1993 1994 printf("\tstatus: "); 1995 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 1996 for (ifms = ifm_status_descriptions; 1997 ifms->ifms_valid != 0; ifms++) { 1998 if (ifms->ifms_type != 1999 IFM_TYPE(ifmr.ifm_current) || 2000 ifms->ifms_valid != 2001 ifm_status_valid_list[bitno]) 2002 continue; 2003 printf("%s%s", found ? ", " : "", 2004 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 2005 found = 1; 2006 2007 /* 2008 * For each valid indicator bit, there's 2009 * only one entry for each media type, so 2010 * terminate the inner loop now. 2011 */ 2012 break; 2013 } 2014 } 2015 2016 if (found == 0) 2017 printf("unknown"); 2018 printf("\n"); 2019 } 2020 2021 if (mflag) { 2022 int type, printed_type; 2023 2024 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 2025 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 2026 if (IFM_TYPE(media_list[i]) != type) 2027 continue; 2028 if (printed_type == 0) { 2029 printf("\tsupported %s media:\n", 2030 get_media_type_string(type)); 2031 printed_type = 1; 2032 } 2033 printf("\t\tmedia "); 2034 print_media_word(media_list[i], " mediaopt "); 2035 printf("\n"); 2036 } 2037 } 2038 } 2039 2040 free(media_list); 2041 2042 iface_stats: 2043 if (!vflag && !zflag) 2044 goto proto_status; 2045 2046 (void) strncpy(ifdr.ifdr_name, name, sizeof(ifdr.ifdr_name)); 2047 2048 if (ioctl(s, zflag ? SIOCZIFDATA:SIOCGIFDATA, &ifdr) == -1) { 2049 err(EXIT_FAILURE, zflag ? "SIOCZIFDATA" : "SIOCGIFDATA"); 2050 } else { 2051 struct if_data * const ifi = &ifdr.ifdr_data; 2052 #define PLURAL(n) ((n) == 1 ? "" : "s") 2053 printf("\tinput: %llu packet%s, %llu byte%s", 2054 (unsigned long long) ifi->ifi_ipackets, 2055 PLURAL(ifi->ifi_ipackets), 2056 (unsigned long long) ifi->ifi_ibytes, 2057 PLURAL(ifi->ifi_ibytes)); 2058 if (ifi->ifi_imcasts) 2059 printf(", %llu multicast%s", 2060 (unsigned long long) ifi->ifi_imcasts, 2061 PLURAL(ifi->ifi_imcasts)); 2062 if (ifi->ifi_ierrors) 2063 printf(", %llu error%s", 2064 (unsigned long long) ifi->ifi_ierrors, 2065 PLURAL(ifi->ifi_ierrors)); 2066 if (ifi->ifi_iqdrops) 2067 printf(", %llu queue drop%s", 2068 (unsigned long long) ifi->ifi_iqdrops, 2069 PLURAL(ifi->ifi_iqdrops)); 2070 if (ifi->ifi_noproto) 2071 printf(", %llu unknown protocol", 2072 (unsigned long long) ifi->ifi_noproto); 2073 printf("\n\toutput: %llu packet%s, %llu byte%s", 2074 (unsigned long long) ifi->ifi_opackets, 2075 PLURAL(ifi->ifi_opackets), 2076 (unsigned long long) ifi->ifi_obytes, 2077 PLURAL(ifi->ifi_obytes)); 2078 if (ifi->ifi_omcasts) 2079 printf(", %llu multicast%s", 2080 (unsigned long long) ifi->ifi_omcasts, 2081 PLURAL(ifi->ifi_omcasts)); 2082 if (ifi->ifi_oerrors) 2083 printf(", %llu error%s", 2084 (unsigned long long) ifi->ifi_oerrors, 2085 PLURAL(ifi->ifi_oerrors)); 2086 if (ifi->ifi_collisions) 2087 printf(", %llu collision%s", 2088 (unsigned long long) ifi->ifi_collisions, 2089 PLURAL(ifi->ifi_collisions)); 2090 printf("\n"); 2091 #undef PLURAL 2092 } 2093 2094 ieee80211_statistics(); 2095 2096 proto_status: 2097 if ((p = afp) != NULL) { 2098 (*p->af_status)(1); 2099 } else for (p = afs; p->af_name; p++) { 2100 ifr.ifr_addr.sa_family = p->af_af; 2101 (*p->af_status)(0); 2102 } 2103 } 2104 2105 void 2106 tunnel_status(void) 2107 { 2108 char psrcaddr[NI_MAXHOST]; 2109 char pdstaddr[NI_MAXHOST]; 2110 const char *ver = ""; 2111 const int niflag = NI_NUMERICHOST; 2112 struct if_laddrreq req; 2113 2114 psrcaddr[0] = pdstaddr[0] = '\0'; 2115 2116 memset(&req, 0, sizeof(req)); 2117 strncpy(req.iflr_name, name, IFNAMSIZ); 2118 if (ioctl(s, SIOCGLIFPHYADDR, &req) == -1) 2119 return; 2120 #ifdef INET6 2121 if (req.addr.ss_family == AF_INET6) 2122 in6_fillscopeid((struct sockaddr_in6 *)&req.addr); 2123 #endif 2124 getnameinfo((struct sockaddr *)&req.addr, req.addr.ss_len, 2125 psrcaddr, sizeof(psrcaddr), 0, 0, niflag); 2126 #ifdef INET6 2127 if (req.addr.ss_family == AF_INET6) 2128 ver = "6"; 2129 #endif 2130 2131 #ifdef INET6 2132 if (req.dstaddr.ss_family == AF_INET6) 2133 in6_fillscopeid((struct sockaddr_in6 *)&req.dstaddr); 2134 #endif 2135 getnameinfo((struct sockaddr *)&req.dstaddr, req.dstaddr.ss_len, 2136 pdstaddr, sizeof(pdstaddr), 0, 0, niflag); 2137 2138 printf("\ttunnel inet%s %s --> %s\n", ver, psrcaddr, pdstaddr); 2139 } 2140 2141 void 2142 vlan_status(void) 2143 { 2144 struct vlanreq vlr; 2145 2146 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 2147 !isdigit((unsigned char)ifr.ifr_name[4])) 2148 return; 2149 2150 memset(&vlr, 0, sizeof(vlr)); 2151 ifr.ifr_data = (void *)&vlr; 2152 2153 if (ioctl(s, SIOCGETVLAN, &ifr) == -1) 2154 return; 2155 2156 if (vlr.vlr_tag || vlr.vlr_parent[0] != '\0') 2157 printf("\tvlan: %d parent: %s\n", 2158 vlr.vlr_tag, vlr.vlr_parent[0] == '\0' ? 2159 "<none>" : vlr.vlr_parent); 2160 } 2161 2162 void 2163 in_alias(struct ifreq *creq) 2164 { 2165 struct sockaddr_in *iasin; 2166 int alias; 2167 2168 if (lflag) 2169 return; 2170 2171 alias = 1; 2172 2173 /* Get the non-alias address for this interface. */ 2174 getsock(AF_INET); 2175 if (s < 0) { 2176 if (errno == EPROTONOSUPPORT) 2177 return; 2178 err(EXIT_FAILURE, "socket"); 2179 } 2180 (void) memset(&ifr, 0, sizeof(ifr)); 2181 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2182 if (ioctl(s, SIOCGIFADDR, &ifr) == -1) { 2183 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2184 return; 2185 } else 2186 warn("SIOCGIFADDR"); 2187 } 2188 /* If creq and ifr are the same address, this is not an alias. */ 2189 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 2190 sizeof(creq->ifr_addr)) == 0) 2191 alias = 0; 2192 (void) memset(&in_addreq, 0, sizeof(in_addreq)); 2193 (void) strncpy(in_addreq.ifra_name, name, sizeof(in_addreq.ifra_name)); 2194 memcpy(&in_addreq.ifra_addr, &creq->ifr_addr, 2195 sizeof(in_addreq.ifra_addr)); 2196 if (ioctl(s, SIOCGIFALIAS, &in_addreq) == -1) { 2197 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2198 return; 2199 } else 2200 warn("SIOCGIFALIAS"); 2201 } 2202 2203 iasin = &in_addreq.ifra_addr; 2204 printf("\tinet %s%s", alias ? "alias " : "", inet_ntoa(iasin->sin_addr)); 2205 2206 if (flags & IFF_POINTOPOINT) { 2207 iasin = &in_addreq.ifra_dstaddr; 2208 printf(" -> %s", inet_ntoa(iasin->sin_addr)); 2209 } 2210 2211 iasin = &in_addreq.ifra_mask; 2212 printf(" netmask 0x%x", ntohl(iasin->sin_addr.s_addr)); 2213 2214 if (flags & IFF_BROADCAST) { 2215 iasin = &in_addreq.ifra_broadaddr; 2216 printf(" broadcast %s", inet_ntoa(iasin->sin_addr)); 2217 } 2218 printf("\n"); 2219 } 2220 2221 void 2222 in_status(int force) 2223 { 2224 struct ifaddrs *ifap, *ifa; 2225 struct ifreq isifr; 2226 2227 if (getifaddrs(&ifap) != 0) 2228 err(EXIT_FAILURE, "getifaddrs"); 2229 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2230 if (strcmp(name, ifa->ifa_name) != 0) 2231 continue; 2232 if (ifa->ifa_addr->sa_family != AF_INET) 2233 continue; 2234 if (sizeof(isifr.ifr_addr) < ifa->ifa_addr->sa_len) 2235 continue; 2236 2237 memset(&isifr, 0, sizeof(isifr)); 2238 strncpy(isifr.ifr_name, ifa->ifa_name, sizeof(isifr.ifr_name)); 2239 memcpy(&isifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2240 in_alias(&isifr); 2241 } 2242 freeifaddrs(ifap); 2243 } 2244 2245 void 2246 setifprefixlen(const char *addr, int d) 2247 { 2248 if (*afp->af_getprefix) 2249 (*afp->af_getprefix)(addr, MASK); 2250 explicit_prefix = 1; 2251 } 2252 2253 #ifdef INET6 2254 void 2255 in6_fillscopeid(struct sockaddr_in6 *sin6) 2256 { 2257 #if defined(__KAME__) && defined(KAME_SCOPEID) 2258 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 2259 sin6->sin6_scope_id = 2260 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 2261 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 2262 } 2263 #endif 2264 } 2265 2266 /* XXX not really an alias */ 2267 void 2268 in6_alias(struct in6_ifreq *creq) 2269 { 2270 struct sockaddr_in6 *sin6; 2271 char hbuf[NI_MAXHOST]; 2272 u_int32_t scopeid; 2273 const int niflag = NI_NUMERICHOST; 2274 2275 /* Get the non-alias address for this interface. */ 2276 getsock(AF_INET6); 2277 if (s < 0) { 2278 if (errno == EPROTONOSUPPORT) 2279 return; 2280 err(EXIT_FAILURE, "socket"); 2281 } 2282 2283 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 2284 2285 in6_fillscopeid(sin6); 2286 scopeid = sin6->sin6_scope_id; 2287 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2288 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2289 strlcpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2290 printf("\tinet6 %s", hbuf); 2291 2292 if (flags & IFF_POINTOPOINT) { 2293 (void) memset(&ifr6, 0, sizeof(ifr6)); 2294 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2295 ifr6.ifr_addr = creq->ifr_addr; 2296 if (ioctl(s, SIOCGIFDSTADDR_IN6, &ifr6) == -1) { 2297 if (errno != EADDRNOTAVAIL) 2298 warn("SIOCGIFDSTADDR_IN6"); 2299 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 2300 ifr6.ifr_addr.sin6_family = AF_INET6; 2301 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 2302 } 2303 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2304 in6_fillscopeid(sin6); 2305 hbuf[0] = '\0'; 2306 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2307 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2308 strlcpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2309 printf(" -> %s", hbuf); 2310 } 2311 2312 (void) memset(&ifr6, 0, sizeof(ifr6)); 2313 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2314 ifr6.ifr_addr = creq->ifr_addr; 2315 if (ioctl(s, SIOCGIFNETMASK_IN6, &ifr6) == -1) { 2316 if (errno != EADDRNOTAVAIL) 2317 warn("SIOCGIFNETMASK_IN6"); 2318 } else { 2319 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2320 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 2321 sizeof(struct in6_addr))); 2322 } 2323 2324 (void) memset(&ifr6, 0, sizeof(ifr6)); 2325 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2326 ifr6.ifr_addr = creq->ifr_addr; 2327 if (ioctl(s, SIOCGIFAFLAG_IN6, &ifr6) == -1) { 2328 if (errno != EADDRNOTAVAIL) 2329 warn("SIOCGIFAFLAG_IN6"); 2330 } else { 2331 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 2332 printf(" anycast"); 2333 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 2334 printf(" tentative"); 2335 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 2336 printf(" duplicated"); 2337 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 2338 printf(" detached"); 2339 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DEPRECATED) 2340 printf(" deprecated"); 2341 } 2342 2343 if (scopeid) 2344 printf(" scopeid 0x%x", scopeid); 2345 2346 if (Lflag) { 2347 struct in6_addrlifetime *lifetime; 2348 (void) memset(&ifr6, 0, sizeof(ifr6)); 2349 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2350 ifr6.ifr_addr = creq->ifr_addr; 2351 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 2352 if (ioctl(s, SIOCGIFALIFETIME_IN6, &ifr6) == -1) { 2353 if (errno != EADDRNOTAVAIL) 2354 warn("SIOCGIFALIFETIME_IN6"); 2355 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 2356 time_t t = time(NULL); 2357 printf(" pltime "); 2358 if (lifetime->ia6t_preferred) { 2359 printf("%s", lifetime->ia6t_preferred < t 2360 ? "0" 2361 : sec2str(lifetime->ia6t_preferred - t)); 2362 } else 2363 printf("infty"); 2364 2365 printf(" vltime "); 2366 if (lifetime->ia6t_expire) { 2367 printf("%s", lifetime->ia6t_expire < t 2368 ? "0" 2369 : sec2str(lifetime->ia6t_expire - t)); 2370 } else 2371 printf("infty"); 2372 } 2373 } 2374 2375 printf("\n"); 2376 } 2377 2378 void 2379 in6_status(int force) 2380 { 2381 struct ifaddrs *ifap, *ifa; 2382 struct in6_ifreq isifr; 2383 2384 if (getifaddrs(&ifap) != 0) 2385 err(EXIT_FAILURE, "getifaddrs"); 2386 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2387 if (strcmp(name, ifa->ifa_name) != 0) 2388 continue; 2389 if (ifa->ifa_addr->sa_family != AF_INET6) 2390 continue; 2391 if (sizeof(isifr.ifr_addr) < ifa->ifa_addr->sa_len) 2392 continue; 2393 2394 memset(&isifr, 0, sizeof(isifr)); 2395 strncpy(isifr.ifr_name, ifa->ifa_name, sizeof(isifr.ifr_name)); 2396 memcpy(&isifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2397 in6_alias(&isifr); 2398 } 2399 freeifaddrs(ifap); 2400 } 2401 #endif /*INET6*/ 2402 2403 #ifndef INET_ONLY 2404 2405 void 2406 at_status(int force) 2407 { 2408 struct sockaddr_at *sat, null_sat; 2409 struct netrange *nr; 2410 2411 getsock(AF_APPLETALK); 2412 if (s < 0) { 2413 if (errno == EPROTONOSUPPORT) 2414 return; 2415 err(EXIT_FAILURE, "socket"); 2416 } 2417 (void) memset(&ifr, 0, sizeof(ifr)); 2418 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2419 if (ioctl(s, SIOCGIFADDR, &ifr) == -1) { 2420 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2421 if (!force) 2422 return; 2423 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2424 } else 2425 warn("SIOCGIFADDR"); 2426 } 2427 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2428 sat = (struct sockaddr_at *)&ifr.ifr_addr; 2429 2430 (void) memset(&null_sat, 0, sizeof(null_sat)); 2431 2432 nr = (struct netrange *) &sat->sat_zero; 2433 printf("\tatalk %d.%d range %d-%d phase %d", 2434 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2435 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 2436 if (flags & IFF_POINTOPOINT) { 2437 if (ioctl(s, SIOCGIFDSTADDR, &ifr) == -1) { 2438 if (errno == EADDRNOTAVAIL) 2439 (void) memset(&ifr.ifr_addr, 0, 2440 sizeof(ifr.ifr_addr)); 2441 else 2442 warn("SIOCGIFDSTADDR"); 2443 } 2444 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2445 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 2446 if (!sat) 2447 sat = &null_sat; 2448 printf("--> %d.%d", 2449 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 2450 } 2451 if (flags & IFF_BROADCAST) { 2452 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 2453 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 2454 if (sat) 2455 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 2456 sat->sat_addr.s_node); 2457 } 2458 printf("\n"); 2459 } 2460 2461 void 2462 xns_status(int force) 2463 { 2464 struct sockaddr_ns *sns; 2465 2466 getsock(AF_NS); 2467 if (s < 0) { 2468 if (errno == EPROTONOSUPPORT) 2469 return; 2470 err(EXIT_FAILURE, "socket"); 2471 } 2472 (void) memset(&ifr, 0, sizeof(ifr)); 2473 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2474 if (ioctl(s, SIOCGIFADDR, &ifr) == -1) { 2475 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2476 if (!force) 2477 return; 2478 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2479 } else 2480 warn("SIOCGIFADDR"); 2481 } 2482 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2483 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 2484 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 2485 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 2486 if (ioctl(s, SIOCGIFDSTADDR, &ifr) == -1) { 2487 if (errno == EADDRNOTAVAIL) 2488 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2489 else 2490 warn("SIOCGIFDSTADDR"); 2491 } 2492 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2493 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 2494 printf("--> %s ", ns_ntoa(sns->sns_addr)); 2495 } 2496 printf("\n"); 2497 } 2498 2499 void 2500 iso_status(int force) 2501 { 2502 struct sockaddr_iso *siso; 2503 struct iso_ifreq isoifr; 2504 2505 getsock(AF_ISO); 2506 if (s < 0) { 2507 if (errno == EPROTONOSUPPORT) 2508 return; 2509 err(EXIT_FAILURE, "socket"); 2510 } 2511 (void) memset(&isoifr, 0, sizeof(isoifr)); 2512 (void) strncpy(isoifr.ifr_name, name, sizeof(isoifr.ifr_name)); 2513 if (ioctl(s, SIOCGIFADDR_ISO, &isoifr) == -1) { 2514 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2515 if (!force) 2516 return; 2517 (void) memset(&isoifr.ifr_Addr, 0, 2518 sizeof(isoifr.ifr_Addr)); 2519 } else 2520 warn("SIOCGIFADDR_ISO"); 2521 } 2522 (void) strncpy(isoifr.ifr_name, name, sizeof isoifr.ifr_name); 2523 siso = &isoifr.ifr_Addr; 2524 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 2525 if (ioctl(s, SIOCGIFNETMASK_ISO, &isoifr) == -1) { 2526 if (errno == EADDRNOTAVAIL) 2527 memset(&isoifr.ifr_Addr, 0, sizeof(isoifr.ifr_Addr)); 2528 else 2529 warn("SIOCGIFNETMASK_ISO"); 2530 } else { 2531 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 2532 siso->siso_addr.isoa_len = siso->siso_len 2533 - offsetof(struct sockaddr_iso, siso_addr); 2534 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 2535 } 2536 if (flags & IFF_POINTOPOINT) { 2537 if (ioctl(s, SIOCGIFDSTADDR_ISO, &isoifr) == -1) { 2538 if (errno == EADDRNOTAVAIL) 2539 memset(&isoifr.ifr_Addr, 0, 2540 sizeof(isoifr.ifr_Addr)); 2541 else 2542 warn("SIOCGIFDSTADDR_ISO"); 2543 } 2544 (void) strncpy(isoifr.ifr_name, name, sizeof (isoifr.ifr_name)); 2545 siso = &isoifr.ifr_Addr; 2546 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 2547 } 2548 printf("\n"); 2549 } 2550 2551 #endif /* INET_ONLY */ 2552 2553 #define SIN(x) ((struct sockaddr_in *) &(x)) 2554 struct sockaddr_in *sintab[] = { 2555 SIN(ridreq.ifr_addr), SIN(in_addreq.ifra_addr), 2556 SIN(in_addreq.ifra_mask), SIN(in_addreq.ifra_broadaddr)}; 2557 2558 void 2559 in_getaddr(const char *str, int which) 2560 { 2561 struct sockaddr_in *gasin = sintab[which]; 2562 struct hostent *hp; 2563 struct netent *np; 2564 2565 gasin->sin_len = sizeof(*gasin); 2566 if (which != MASK) 2567 gasin->sin_family = AF_INET; 2568 2569 if (which == ADDR) { 2570 char *p = NULL; 2571 if ((p = strrchr(str, '/')) != NULL) { 2572 *p = '\0'; 2573 in_getprefix(p + 1, MASK); 2574 } 2575 } 2576 2577 if (inet_aton(str, &gasin->sin_addr) == 0) { 2578 if ((hp = gethostbyname(str)) != NULL) 2579 (void) memcpy(&gasin->sin_addr, hp->h_addr, hp->h_length); 2580 else if ((np = getnetbyname(str)) != NULL) 2581 gasin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 2582 else 2583 errx(EXIT_FAILURE, "%s: bad value", str); 2584 } 2585 } 2586 2587 void 2588 in_getprefix(const char *plen, int which) 2589 { 2590 struct sockaddr_in *igsin = sintab[which]; 2591 u_char *cp; 2592 int len = strtol(plen, (char **)NULL, 10); 2593 2594 if ((len < 0) || (len > 32)) 2595 errx(EXIT_FAILURE, "%s: bad value", plen); 2596 igsin->sin_len = sizeof(*igsin); 2597 if (which != MASK) 2598 igsin->sin_family = AF_INET; 2599 if ((len == 0) || (len == 32)) { 2600 memset(&igsin->sin_addr, 0xff, sizeof(struct in_addr)); 2601 return; 2602 } 2603 memset((void *)&igsin->sin_addr, 0x00, sizeof(igsin->sin_addr)); 2604 for (cp = (u_char *)&igsin->sin_addr; len > 7; len -= 8) 2605 *cp++ = 0xff; 2606 if (len) 2607 *cp = 0xff << (8 - len); 2608 } 2609 2610 #ifdef INET6 2611 #define SIN6(x) ((struct sockaddr_in6 *) &(x)) 2612 struct sockaddr_in6 *sin6tab[] = { 2613 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 2614 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 2615 2616 void 2617 in6_getaddr(const char *str, int which) 2618 { 2619 #if defined(__KAME__) && defined(KAME_SCOPEID) 2620 struct sockaddr_in6 *sin6 = sin6tab[which]; 2621 struct addrinfo hints, *res; 2622 int error; 2623 char *slash = NULL; 2624 2625 if (which == ADDR) { 2626 if ((slash = strrchr(str, '/')) != NULL) 2627 *slash = '\0'; 2628 } 2629 2630 memset(&hints, 0, sizeof(hints)); 2631 hints.ai_family = AF_INET6; 2632 hints.ai_socktype = SOCK_DGRAM; 2633 #if 0 /* in_getaddr() allows FQDN */ 2634 hints.ai_flags = AI_NUMERICHOST; 2635 #endif 2636 error = getaddrinfo(str, "0", &hints, &res); 2637 if (error && slash) { 2638 /* try again treating the '/' as part of the name */ 2639 *slash = '/'; 2640 slash = NULL; 2641 error = getaddrinfo(str, "0", &hints, &res); 2642 } 2643 if (error) 2644 errx(EXIT_FAILURE, "%s: %s", str, gai_strerror(error)); 2645 if (res->ai_next) 2646 errx(EXIT_FAILURE, "%s: resolved to multiple addresses", str); 2647 if (res->ai_addrlen != sizeof(struct sockaddr_in6)) 2648 errx(EXIT_FAILURE, "%s: bad value", str); 2649 memcpy(sin6, res->ai_addr, res->ai_addrlen); 2650 freeaddrinfo(res); 2651 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) { 2652 *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = 2653 htons(sin6->sin6_scope_id); 2654 sin6->sin6_scope_id = 0; 2655 } 2656 if (slash) { 2657 in6_getprefix(slash + 1, MASK); 2658 explicit_prefix = 1; 2659 } 2660 #else 2661 struct sockaddr_in6 *gasin = sin6tab[which]; 2662 2663 gasin->sin6_len = sizeof(*gasin); 2664 if (which != MASK) 2665 gasin->sin6_family = AF_INET6; 2666 2667 if (which == ADDR) { 2668 char *p = NULL; 2669 if((p = strrchr(str, '/')) != NULL) { 2670 *p = '\0'; 2671 in6_getprefix(p + 1, MASK); 2672 explicit_prefix = 1; 2673 } 2674 } 2675 2676 if (inet_pton(AF_INET6, str, &gasin->sin6_addr) != 1) 2677 errx(EXIT_FAILURE, "%s: bad value", str); 2678 #endif 2679 } 2680 2681 void 2682 in6_getprefix(const char *plen, int which) 2683 { 2684 struct sockaddr_in6 *gpsin = sin6tab[which]; 2685 u_char *cp; 2686 int len = strtol(plen, (char **)NULL, 10); 2687 2688 if ((len < 0) || (len > 128)) 2689 errx(EXIT_FAILURE, "%s: bad value", plen); 2690 gpsin->sin6_len = sizeof(*gpsin); 2691 if (which != MASK) 2692 gpsin->sin6_family = AF_INET6; 2693 if ((len == 0) || (len == 128)) { 2694 memset(&gpsin->sin6_addr, 0xff, sizeof(struct in6_addr)); 2695 return; 2696 } 2697 memset((void *)&gpsin->sin6_addr, 0x00, sizeof(gpsin->sin6_addr)); 2698 for (cp = (u_char *)&gpsin->sin6_addr; len > 7; len -= 8) 2699 *cp++ = 0xff; 2700 if (len) 2701 *cp = 0xff << (8 - len); 2702 } 2703 2704 int 2705 prefix(void *val, int size) 2706 { 2707 u_char *pname = (u_char *)val; 2708 int byte, bit, plen = 0; 2709 2710 for (byte = 0; byte < size; byte++, plen += 8) 2711 if (pname[byte] != 0xff) 2712 break; 2713 if (byte == size) 2714 return (plen); 2715 for (bit = 7; bit != 0; bit--, plen++) 2716 if (!(pname[byte] & (1 << bit))) 2717 break; 2718 for (; bit != 0; bit--) 2719 if (pname[byte] & (1 << bit)) 2720 return(0); 2721 byte++; 2722 for (; byte < size; byte++) 2723 if (pname[byte]) 2724 return(0); 2725 return (plen); 2726 } 2727 #endif /*INET6*/ 2728 2729 #ifndef INET_ONLY 2730 void 2731 at_getaddr(const char *addr, int which) 2732 { 2733 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 2734 u_int net, node; 2735 2736 sat->sat_family = AF_APPLETALK; 2737 sat->sat_len = sizeof(*sat); 2738 if (which == MASK) 2739 errx(EXIT_FAILURE, "AppleTalk does not use netmasks"); 2740 if (sscanf(addr, "%u.%u", &net, &node) != 2 2741 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 2742 errx(EXIT_FAILURE, "%s: illegal address", addr); 2743 sat->sat_addr.s_net = htons(net); 2744 sat->sat_addr.s_node = node; 2745 } 2746 2747 void 2748 setatrange(const char *range, int d) 2749 { 2750 u_short first = 123, last = 123; 2751 2752 if (sscanf(range, "%hu-%hu", &first, &last) != 2 2753 || first == 0 /* || first > 0xffff */ 2754 || last == 0 /* || last > 0xffff */ || first > last) 2755 errx(EXIT_FAILURE, "%s: illegal net range: %u-%u", range, 2756 first, last); 2757 at_nr.nr_firstnet = htons(first); 2758 at_nr.nr_lastnet = htons(last); 2759 } 2760 2761 void 2762 setatphase(const char *phase, int d) 2763 { 2764 if (!strcmp(phase, "1")) 2765 at_nr.nr_phase = 1; 2766 else if (!strcmp(phase, "2")) 2767 at_nr.nr_phase = 2; 2768 else 2769 errx(EXIT_FAILURE, "%s: illegal phase", phase); 2770 } 2771 2772 void 2773 checkatrange(struct sockaddr_at *sat) 2774 { 2775 if (at_nr.nr_phase == 0) 2776 at_nr.nr_phase = 2; /* Default phase 2 */ 2777 if (at_nr.nr_firstnet == 0) 2778 at_nr.nr_firstnet = /* Default range of one */ 2779 at_nr.nr_lastnet = sat->sat_addr.s_net; 2780 printf("\tatalk %d.%d range %d-%d phase %d\n", 2781 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2782 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 2783 if ((u_short) ntohs(at_nr.nr_firstnet) > 2784 (u_short) ntohs(sat->sat_addr.s_net) 2785 || (u_short) ntohs(at_nr.nr_lastnet) < 2786 (u_short) ntohs(sat->sat_addr.s_net)) 2787 errx(EXIT_FAILURE, "AppleTalk address is not in range"); 2788 *((struct netrange *) &sat->sat_zero) = at_nr; 2789 } 2790 2791 #define SNS(x) ((struct sockaddr_ns *) &(x)) 2792 struct sockaddr_ns *snstab[] = { 2793 SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 2794 SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 2795 2796 void 2797 xns_getaddr(const char *addr, int which) 2798 { 2799 struct sockaddr_ns *sns = snstab[which]; 2800 2801 sns->sns_family = AF_NS; 2802 sns->sns_len = sizeof(*sns); 2803 sns->sns_addr = ns_addr(addr); 2804 if (which == MASK) 2805 puts("Attempt to set XNS netmask will be ineffectual"); 2806 } 2807 2808 #define SISO(x) ((struct sockaddr_iso *) &(x)) 2809 struct sockaddr_iso *sisotab[] = { 2810 SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 2811 SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 2812 2813 void 2814 iso_getaddr(const char *addr, int which) 2815 { 2816 struct sockaddr_iso *siso = sisotab[which]; 2817 siso->siso_addr = *iso_addr(addr); 2818 2819 if (which == MASK) { 2820 siso->siso_len = TSEL(siso) - (char *)(siso); 2821 siso->siso_nlen = 0; 2822 } else { 2823 siso->siso_len = sizeof(*siso); 2824 siso->siso_family = AF_ISO; 2825 } 2826 } 2827 2828 void 2829 setsnpaoffset(const char *val, int d) 2830 { 2831 iso_addreq.ifra_snpaoffset = atoi(val); 2832 } 2833 2834 void 2835 setnsellength(const char *val, int d) 2836 { 2837 nsellength = atoi(val); 2838 if (nsellength < 0) 2839 errx(EXIT_FAILURE, "Negative NSEL length is absurd"); 2840 if (afp == 0 || afp->af_af != AF_ISO) 2841 errx(EXIT_FAILURE, "Setting NSEL length valid only for iso"); 2842 } 2843 2844 void 2845 fixnsel(struct sockaddr_iso *siso) 2846 { 2847 if (siso->siso_family == 0) 2848 return; 2849 siso->siso_tlen = nsellength; 2850 } 2851 2852 void 2853 adjust_nsellength(void) 2854 { 2855 fixnsel(sisotab[RIDADDR]); 2856 fixnsel(sisotab[ADDR]); 2857 fixnsel(sisotab[DSTADDR]); 2858 } 2859 2860 #endif /* INET_ONLY */ 2861 2862 void 2863 usage(void) 2864 { 2865 const char *progname = getprogname(); 2866 2867 fprintf(stderr, 2868 "usage: %s [-m] [-v] [-z] " 2869 #ifdef INET6 2870 "[-L] " 2871 #endif 2872 "interface\n" 2873 "\t[ af [ address [ dest_addr ] ] [ netmask mask ] [ prefixlen n ]\n" 2874 "\t\t[ alias | -alias ] ]\n" 2875 "\t[ up ] [ down ] [ metric n ] [ mtu n ]\n" 2876 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n" 2877 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n" 2878 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n" 2879 "\t[ arp | -arp ]\n" 2880 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] " 2881 "[ instance minst ]\n" 2882 "\t[ vlan n vlanif i ]\n" 2883 "\t[ agrport i ] [ -agrport i ]\n" 2884 "\t[ anycast | -anycast ] [ deprecated | -deprecated ]\n" 2885 "\t[ tentative | -tentative ] [ pltime n ] [ vltime n ] [ eui64 ]\n" 2886 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" 2887 " %s -a [-b] [-m] [-d] [-u] [-v] [-z] [ af ]\n" 2888 " %s -l [-b] [-d] [-u] [-s]\n" 2889 " %s -C\n" 2890 " %s interface create\n" 2891 " %s interface destroy\n", 2892 progname, progname, progname, progname, progname, progname); 2893 exit(1); 2894 } 2895 2896 #ifdef INET6 2897 char * 2898 sec2str(total) 2899 time_t total; 2900 { 2901 static char result[256]; 2902 int days, hours, mins, secs; 2903 int first = 1; 2904 char *p = result; 2905 char *end = &result[sizeof(result)]; 2906 int n; 2907 2908 if (0) { /*XXX*/ 2909 days = total / 3600 / 24; 2910 hours = (total / 3600) % 24; 2911 mins = (total / 60) % 60; 2912 secs = total % 60; 2913 2914 if (days) { 2915 first = 0; 2916 n = snprintf(p, end - p, "%dd", days); 2917 if (n < 0 || n >= end - p) 2918 return(result); 2919 p += n; 2920 } 2921 if (!first || hours) { 2922 first = 0; 2923 n = snprintf(p, end - p, "%dh", hours); 2924 if (n < 0 || n >= end - p) 2925 return(result); 2926 p += n; 2927 } 2928 if (!first || mins) { 2929 first = 0; 2930 n = snprintf(p, end - p, "%dm", mins); 2931 if (n < 0 || n >= end - p) 2932 return(result); 2933 p += n; 2934 } 2935 snprintf(p, end - p, "%ds", secs); 2936 } else 2937 snprintf(p, end - p, "%lu", (u_long)total); 2938 2939 return(result); 2940 } 2941 #endif 2942
Indexes created Tue Sep 30 17:09:57 GMT 2025