ifconfig.c revision 1.160
1 /* $NetBSD: ifconfig.c,v 1.160 2005/03/19 23:16:55 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1997, 1998, 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 /* 41 * Copyright (c) 1983, 1993 42 * The Regents of the University of California. All rights reserved. 43 * 44 * Redistribution and use in source and binary forms, with or without 45 * modification, are permitted provided that the following conditions 46 * are met: 47 * 1. Redistributions of source code must retain the above copyright 48 * notice, this list of conditions and the following disclaimer. 49 * 2. Redistributions in binary form must reproduce the above copyright 50 * notice, this list of conditions and the following disclaimer in the 51 * documentation and/or other materials provided with the distribution. 52 * 3. Neither the name of the University nor the names of its contributors 53 * may be used to endorse or promote products derived from this software 54 * without specific prior written permission. 55 * 56 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 57 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 58 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 59 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 60 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 61 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 62 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 63 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 64 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 65 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 66 * SUCH DAMAGE. 67 */ 68 69 #include <sys/cdefs.h> 70 #ifndef lint 71 __COPYRIGHT("@(#) Copyright (c) 1983, 1993\n\ 72 The Regents of the University of California. All rights reserved.\n"); 73 #endif /* not lint */ 74 75 #ifndef lint 76 #if 0 77 static char sccsid[] = "@(#)ifconfig.c 8.2 (Berkeley) 2/16/94"; 78 #else 79 __RCSID("$NetBSD: ifconfig.c,v 1.160 2005/03/19 23:16:55 thorpej Exp $"); 80 #endif 81 #endif /* not lint */ 82 83 #include <sys/param.h> 84 #include <sys/socket.h> 85 #include <sys/ioctl.h> 86 87 #include <net/if.h> 88 #include <net/if_dl.h> 89 #include <net/if_media.h> 90 #include <net/if_ether.h> 91 #include <netinet/in.h> 92 #include <netinet/in_var.h> 93 #ifdef INET6 94 #include <netinet6/nd6.h> 95 #endif 96 #include <arpa/inet.h> 97 98 #include <netatalk/at.h> 99 100 #define NSIP 101 #include <netns/ns.h> 102 #include <netns/ns_if.h> 103 #include <netdb.h> 104 105 #define EON 106 #include <netiso/iso.h> 107 #include <netiso/iso_var.h> 108 #include <sys/protosw.h> 109 110 #include <ctype.h> 111 #include <err.h> 112 #include <errno.h> 113 #include <stddef.h> 114 #include <stdio.h> 115 #include <stdlib.h> 116 #include <string.h> 117 #include <unistd.h> 118 #include <ifaddrs.h> 119 #include <util.h> 120 121 #include "extern.h" 122 #include "agr.h" 123 #include "ieee80211.h" 124 #include "tunnel.h" 125 #include "vlan.h" 126 127 struct ifreq ifr, ridreq; 128 struct ifaliasreq addreq __attribute__((aligned(4))); 129 struct in_aliasreq in_addreq; 130 #ifdef INET6 131 struct in6_ifreq ifr6; 132 struct in6_ifreq in6_ridreq; 133 struct in6_aliasreq in6_addreq; 134 #endif 135 struct iso_ifreq iso_ridreq; 136 struct iso_aliasreq iso_addreq; 137 struct sockaddr_in netmask; 138 struct netrange at_nr; /* AppleTalk net range */ 139 140 char name[30]; 141 u_short flags; 142 int setaddr, setipdst, doalias; 143 u_long metric, mtu; 144 int clearaddr, s; 145 int newaddr = -1; 146 int conflicting = 0; 147 int nsellength = 1; 148 int af; 149 int aflag, bflag, Cflag, dflag, lflag, mflag, sflag, uflag, vflag, zflag; 150 #ifdef INET6 151 int Lflag; 152 #endif 153 int explicit_prefix = 0; 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 setifnetmask(const char *, int); 169 void setifprefixlen(const char *, int); 170 void setnsellength(const char *, int); 171 void setsnpaoffset(const char *, int); 172 void setatrange(const char *, int); 173 void setatphase(const char *, int); 174 #ifdef INET6 175 void setia6flags(const char *, int); 176 void setia6pltime(const char *, int); 177 void setia6vltime(const char *, int); 178 void setia6lifetime(const char *, const char *); 179 void setia6eui64(const char *, int); 180 #endif 181 void checkatrange(struct sockaddr_at *); 182 void setmedia(const char *, int); 183 void setmediamode(const char *, int); 184 void setmediaopt(const char *, int); 185 void unsetmediaopt(const char *, int); 186 void setmediainst(const char *, int); 187 void clone_create(const char *, int); 188 void clone_destroy(const char *, int); 189 void fixnsel(struct sockaddr_iso *); 190 int main(int, char *[]); 191 192 /* 193 * Media stuff. Whenever a media command is first performed, the 194 * currently select media is grabbed for this interface. If `media' 195 * is given, the current media word is modifed. `mediaopt' commands 196 * only modify the set and clear words. They then operate on the 197 * current media word later. 198 */ 199 int media_current; 200 int mediaopt_set; 201 int mediaopt_clear; 202 203 int actions; /* Actions performed */ 204 205 #define A_MEDIA 0x0001 /* media command */ 206 #define A_MEDIAOPTSET 0x0002 /* mediaopt command */ 207 #define A_MEDIAOPTCLR 0x0004 /* -mediaopt command */ 208 #define A_MEDIAOPT (A_MEDIAOPTSET|A_MEDIAOPTCLR) 209 #define A_MEDIAINST 0x0008 /* instance or inst command */ 210 #define A_MEDIAMODE 0x0010 /* mode command */ 211 212 #define NEXTARG 0xffffff 213 #define NEXTARG2 0xfffffe 214 215 const struct cmd { 216 const char *c_name; 217 int c_parameter; /* NEXTARG means next argv */ 218 int c_action; /* defered action */ 219 void (*c_func)(const char *, int); 220 void (*c_func2)(const char *, const char *); 221 } cmds[] = { 222 { "up", IFF_UP, 0, setifflags } , 223 { "down", -IFF_UP, 0, setifflags }, 224 { "trailers", -1, 0, notrailers }, 225 { "-trailers", 1, 0, notrailers }, 226 { "arp", -IFF_NOARP, 0, setifflags }, 227 { "-arp", IFF_NOARP, 0, setifflags }, 228 { "debug", IFF_DEBUG, 0, setifflags }, 229 { "-debug", -IFF_DEBUG, 0, setifflags }, 230 { "alias", IFF_UP, 0, notealias }, 231 { "-alias", -IFF_UP, 0, notealias }, 232 { "delete", -IFF_UP, 0, notealias }, 233 #ifdef notdef 234 #define EN_SWABIPS 0x1000 235 { "swabips", EN_SWABIPS, 0, setifflags }, 236 { "-swabips", -EN_SWABIPS, 0, setifflags }, 237 #endif 238 { "netmask", NEXTARG, 0, setifnetmask }, 239 { "metric", NEXTARG, 0, setifmetric }, 240 { "mtu", NEXTARG, 0, setifmtu }, 241 { "bssid", NEXTARG, 0, setifbssid }, 242 { "-bssid", -1, 0, setifbssid }, 243 { "chan", NEXTARG, 0, setifchan }, 244 { "-chan", -1, 0, setifchan }, 245 { "ssid", NEXTARG, 0, setifnwid }, 246 { "nwid", NEXTARG, 0, setifnwid }, 247 { "nwkey", NEXTARG, 0, setifnwkey }, 248 { "-nwkey", -1, 0, setifnwkey }, 249 { "powersave", 1, 0, setifpowersave }, 250 { "-powersave", 0, 0, setifpowersave }, 251 { "powersavesleep", NEXTARG, 0, setifpowersavesleep }, 252 { "broadcast", NEXTARG, 0, setifbroadaddr }, 253 { "ipdst", NEXTARG, 0, setifipdst }, 254 { "prefixlen", NEXTARG, 0, setifprefixlen}, 255 #ifdef INET6 256 { "anycast", IN6_IFF_ANYCAST, 0, setia6flags }, 257 { "-anycast", -IN6_IFF_ANYCAST, 0, setia6flags }, 258 { "tentative", IN6_IFF_TENTATIVE, 0, setia6flags }, 259 { "-tentative", -IN6_IFF_TENTATIVE, 0, setia6flags }, 260 { "deprecated", IN6_IFF_DEPRECATED, 0, setia6flags }, 261 { "-deprecated", -IN6_IFF_DEPRECATED, 0, setia6flags }, 262 { "pltime", NEXTARG, 0, setia6pltime }, 263 { "vltime", NEXTARG, 0, setia6vltime }, 264 { "eui64", 0, 0, setia6eui64 }, 265 #endif /*INET6*/ 266 #ifndef INET_ONLY 267 { "range", NEXTARG, 0, setatrange }, 268 { "phase", NEXTARG, 0, setatphase }, 269 { "snpaoffset", NEXTARG, 0, setsnpaoffset }, 270 { "nsellength", NEXTARG, 0, setnsellength }, 271 #endif /* INET_ONLY */ 272 { "tunnel", NEXTARG2, 0, NULL, 273 settunnel } , 274 { "deletetunnel", 0, 0, deletetunnel }, 275 { "vlan", NEXTARG, 0, setvlan } , 276 { "vlanif", NEXTARG, 0, setvlanif } , 277 { "-vlanif", 0, 0, unsetvlanif } , 278 #if 0 279 /* XXX `create' special-cased below */ 280 { "create", 0, 0, clone_create } , 281 #endif 282 { "destroy", 0, 0, clone_destroy } , 283 { "link0", IFF_LINK0, 0, setifflags } , 284 { "-link0", -IFF_LINK0, 0, setifflags } , 285 { "link1", IFF_LINK1, 0, setifflags } , 286 { "-link1", -IFF_LINK1, 0, setifflags } , 287 { "link2", IFF_LINK2, 0, setifflags } , 288 { "-link2", -IFF_LINK2, 0, setifflags } , 289 { "media", NEXTARG, A_MEDIA, setmedia }, 290 { "mediaopt", NEXTARG, A_MEDIAOPTSET, setmediaopt }, 291 { "-mediaopt", NEXTARG, A_MEDIAOPTCLR, unsetmediaopt }, 292 { "mode", NEXTARG, A_MEDIAMODE, setmediamode }, 293 { "instance", NEXTARG, A_MEDIAINST, setmediainst }, 294 { "inst", NEXTARG, A_MEDIAINST, setmediainst }, 295 { "ip4csum", IFCAP_CSUM_IPv4,0, setifcaps }, 296 { "-ip4csum", -IFCAP_CSUM_IPv4,0, setifcaps }, 297 { "tcp4csum", IFCAP_CSUM_TCPv4,0, setifcaps }, 298 { "-tcp4csum", -IFCAP_CSUM_TCPv4,0, setifcaps }, 299 { "udp4csum", IFCAP_CSUM_UDPv4,0, setifcaps }, 300 { "-udp4csum", -IFCAP_CSUM_UDPv4,0, setifcaps }, 301 { "tcp6csum", IFCAP_CSUM_TCPv6,0, setifcaps }, 302 { "-tcp6csum", -IFCAP_CSUM_TCPv6,0, setifcaps }, 303 { "udp6csum", IFCAP_CSUM_UDPv6,0, setifcaps }, 304 { "-udp6csum", -IFCAP_CSUM_UDPv6,0, setifcaps }, 305 { "tcp4csum-rx",IFCAP_CSUM_TCPv4_Rx,0, setifcaps }, 306 { "-tcp4csum-rx",-IFCAP_CSUM_TCPv4_Rx,0, setifcaps }, 307 { "udp4csum-rx",IFCAP_CSUM_UDPv4_Rx,0, setifcaps }, 308 { "-udp4csum-rx",-IFCAP_CSUM_UDPv4_Rx,0, setifcaps }, 309 { "tso4", IFCAP_TSOv4, 0, setifcaps }, 310 { "-tso4", -IFCAP_TSOv4, 0, setifcaps }, 311 { "agrport", NEXTARG, 0, agraddport } , 312 { "-agrport", NEXTARG, 0, agrremport } , 313 { 0, 0, 0, setifaddr }, 314 { 0, 0, 0, setifdstaddr }, 315 }; 316 317 void adjust_nsellength(void); 318 int getinfo(struct ifreq *); 319 int carrier(void); 320 void getsock(int); 321 void printall(const char *); 322 void list_cloners(void); 323 int prefix(void *, int); 324 void status(const struct sockaddr_dl *); 325 void usage(void); 326 char *sec2str(time_t); 327 328 void print_media_word(int, const char *); 329 void process_media_commands(void); 330 void init_current_media(void); 331 332 /* 333 * XNS support liberally adapted from code written at the University of 334 * Maryland principally by James O'Toole and Chris Torek. 335 */ 336 void in_alias(struct ifreq *); 337 void in_status(int); 338 void in_getaddr(const char *, int); 339 void in_getprefix(const char *, int); 340 #ifdef INET6 341 void in6_fillscopeid(struct sockaddr_in6 *sin6); 342 void in6_alias(struct in6_ifreq *); 343 void in6_status(int); 344 void in6_getaddr(const char *, int); 345 void in6_getprefix(const char *, int); 346 #endif 347 void at_status(int); 348 void at_getaddr(const char *, int); 349 void xns_status(int); 350 void xns_getaddr(const char *, int); 351 void iso_status(int); 352 void iso_getaddr(const char *, int); 353 354 /* Known address families */ 355 const struct afswtch afs[] = { 356 { "inet", AF_INET, in_status, in_getaddr, in_getprefix, 357 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, &ridreq, &in_addreq }, 358 #ifdef INET6 359 { "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix, 360 SIOCDIFADDR_IN6, SIOCAIFADDR_IN6, 361 /* 362 * Deleting the first address before setting new one is 363 * not prefered way in this protocol. 364 */ 365 0, 366 &in6_ridreq, &in6_addreq }, 367 #endif 368 #ifndef INET_ONLY /* small version, for boot media */ 369 { "atalk", AF_APPLETALK, at_status, at_getaddr, NULL, 370 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, &addreq, &addreq }, 371 { "ns", AF_NS, xns_status, xns_getaddr, NULL, 372 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, &ridreq, &addreq }, 373 { "iso", AF_ISO, iso_status, iso_getaddr, NULL, 374 SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, SIOCGIFADDR_ISO, 375 &iso_ridreq, &iso_addreq }, 376 #endif /* INET_ONLY */ 377 { 0, 0, 0, 0 } 378 }; 379 380 const struct afswtch *afp; /*the address family being set or asked about*/ 381 382 int 383 main(int argc, char *argv[]) 384 { 385 int ch; 386 387 /* Parse command-line options */ 388 aflag = mflag = vflag = zflag = 0; 389 while ((ch = getopt(argc, argv, "AabCdlmsuvz" 390 #ifdef INET6 391 "L" 392 #endif 393 )) != -1) { 394 switch (ch) { 395 case 'A': 396 warnx("-A is deprecated"); 397 break; 398 399 case 'a': 400 aflag = 1; 401 break; 402 403 case 'b': 404 bflag = 1; 405 break; 406 407 case 'C': 408 Cflag = 1; 409 break; 410 411 case 'd': 412 dflag = 1; 413 break; 414 415 #ifdef INET6 416 case 'L': 417 Lflag = 1; 418 break; 419 #endif 420 421 case 'l': 422 lflag = 1; 423 break; 424 425 case 'm': 426 mflag = 1; 427 break; 428 429 case 's': 430 sflag = 1; 431 break; 432 433 case 'u': 434 uflag = 1; 435 break; 436 437 case 'v': 438 vflag = 1; 439 break; 440 441 case 'z': 442 zflag = 1; 443 break; 444 445 446 default: 447 usage(); 448 /* NOTREACHED */ 449 } 450 } 451 argc -= optind; 452 argv += optind; 453 454 /* 455 * -l means "list all interfaces", and is mutally exclusive with 456 * all other flags/commands. 457 * 458 * -C means "list all names of cloners", and it mutually exclusive 459 * with all other flags/commands. 460 * 461 * -a means "print status of all interfaces". 462 */ 463 if ((lflag || Cflag) && (aflag || mflag || vflag || argc || zflag)) 464 usage(); 465 #ifdef INET6 466 if ((lflag || Cflag) && Lflag) 467 usage(); 468 #endif 469 if (lflag && Cflag) 470 usage(); 471 if (Cflag) { 472 if (argc) 473 usage(); 474 list_cloners(); 475 exit(0); 476 } 477 if (aflag || lflag) { 478 if (argc > 1) 479 usage(); 480 else if (argc == 1) { 481 afp = lookup_af_byname(argv[0]); 482 if (afp == NULL) 483 usage(); 484 } 485 if (afp) 486 af = ifr.ifr_addr.sa_family = afp->af_af; 487 else 488 af = ifr.ifr_addr.sa_family = afs[0].af_af; 489 printall(NULL); 490 exit(0); 491 } 492 493 /* Make sure there's an interface name. */ 494 if (argc < 1) 495 usage(); 496 if (strlcpy(name, argv[0], sizeof(name)) >= sizeof(name)) 497 errx(1, "interface name '%s' too long", argv[0]); 498 argc--; argv++; 499 500 /* 501 * NOTE: We must special-case the `create' command right 502 * here as we would otherwise fail in getinfo(). 503 */ 504 if (argc > 0 && strcmp(argv[0], "create") == 0) { 505 clone_create(argv[0], 0); 506 argc--, argv++; 507 if (argc == 0) 508 exit(0); 509 } 510 511 /* Check for address family. */ 512 afp = NULL; 513 if (argc > 0) { 514 afp = lookup_af_byname(argv[0]); 515 if (afp != NULL) { 516 argv++; 517 argc--; 518 } 519 } 520 521 /* Initialize af, just for use in getinfo(). */ 522 if (afp == NULL) 523 af = afs->af_af; 524 else 525 af = afp->af_af; 526 527 /* Get information about the interface. */ 528 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 529 if (getinfo(&ifr) < 0) 530 exit(1); 531 532 if (sflag) { 533 if (argc != 0) 534 usage(); 535 else 536 exit(carrier()); 537 } 538 539 /* No more arguments means interface status. */ 540 if (argc == 0) { 541 printall(name); 542 exit(0); 543 } 544 545 /* The following operations assume inet family as the default. */ 546 if (afp == NULL) 547 afp = afs; 548 af = ifr.ifr_addr.sa_family = afp->af_af; 549 550 #ifdef INET6 551 /* initialization */ 552 in6_addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; 553 in6_addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; 554 #endif 555 556 /* Process commands. */ 557 while (argc > 0) { 558 const struct cmd *p; 559 560 for (p = cmds; p->c_name; p++) 561 if (strcmp(argv[0], p->c_name) == 0) 562 break; 563 if (p->c_name == 0 && setaddr) { 564 if ((flags & IFF_POINTOPOINT) == 0) { 565 errx(EXIT_FAILURE, 566 "can't set destination address %s", 567 "on non-point-to-point link"); 568 } 569 p++; /* got src, do dst */ 570 } 571 if (p->c_func != NULL || p->c_func2 != NULL) { 572 if (p->c_parameter == NEXTARG) { 573 if (argc < 2) 574 errx(EXIT_FAILURE, 575 "'%s' requires argument", 576 p->c_name); 577 (*p->c_func)(argv[1], 0); 578 argc--, argv++; 579 } else if (p->c_parameter == NEXTARG2) { 580 if (argc < 3) 581 errx(EXIT_FAILURE, 582 "'%s' requires 2 arguments", 583 p->c_name); 584 (*p->c_func2)(argv[1], argv[2]); 585 argc -= 2, argv += 2; 586 } else 587 (*p->c_func)(argv[0], p->c_parameter); 588 actions |= p->c_action; 589 } 590 argc--, argv++; 591 } 592 593 /* 594 * See if multiple alias, -alias, or delete commands were 595 * specified. More than one constitutes an invalid command line 596 */ 597 598 if (conflicting > 1) 599 errx(EXIT_FAILURE, 600 "Only one use of alias, -alias or delete is valid."); 601 602 /* Process any media commands that may have been issued. */ 603 process_media_commands(); 604 605 if (af == AF_INET6 && explicit_prefix == 0) { 606 /* 607 * Aggregatable address architecture defines all prefixes 608 * are 64. So, it is convenient to set prefixlen to 64 if 609 * it is not specified. 610 */ 611 setifprefixlen("64", 0); 612 /* in6_getprefix("64", MASK) if MASK is available here... */ 613 } 614 615 #ifndef INET_ONLY 616 if (af == AF_ISO) 617 adjust_nsellength(); 618 619 if (af == AF_APPLETALK) 620 checkatrange((struct sockaddr_at *) &addreq.ifra_addr); 621 622 if (setipdst && af==AF_NS) { 623 struct nsip_req rq; 624 int size = sizeof(rq); 625 626 rq.rq_ns = addreq.ifra_addr; 627 rq.rq_ip = addreq.ifra_dstaddr; 628 629 if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0) 630 warn("encapsulation routing"); 631 } 632 633 #endif /* INET_ONLY */ 634 635 if (clearaddr) { 636 (void) strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name); 637 if (ioctl(s, afp->af_difaddr, afp->af_ridreq) == -1) 638 err(EXIT_FAILURE, "SIOCDIFADDR"); 639 } 640 if (newaddr > 0) { 641 (void) strncpy(afp->af_addreq, name, sizeof ifr.ifr_name); 642 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) == -1) 643 warn("SIOCAIFADDR"); 644 } 645 646 if (g_ifcr_updated) { 647 (void) strncpy(g_ifcr.ifcr_name, name, 648 sizeof(g_ifcr.ifcr_name)); 649 if (ioctl(s, SIOCSIFCAP, &g_ifcr) == -1) 650 err(EXIT_FAILURE, "SIOCSIFCAP"); 651 } 652 653 exit(0); 654 } 655 656 const struct afswtch * 657 lookup_af_byname(const char *cp) 658 { 659 const struct afswtch *a; 660 661 for (a = afs; a->af_name != NULL; a++) 662 if (strcmp(a->af_name, cp) == 0) 663 return (a); 664 return (NULL); 665 } 666 667 const struct afswtch * 668 lookup_af_bynum(int afnum) 669 { 670 const struct afswtch *a; 671 672 for (a = afs; a->af_name != NULL; a++) 673 if (a->af_af == afnum) 674 return (a); 675 return (NULL); 676 } 677 678 void 679 getsock(int naf) 680 { 681 static int oaf = -1; 682 683 if (oaf == naf) 684 return; 685 if (oaf != -1) 686 close(s); 687 s = socket(naf, SOCK_DGRAM, 0); 688 if (s < 0) 689 oaf = -1; 690 else 691 oaf = naf; 692 } 693 694 int 695 getinfo(struct ifreq *giifr) 696 { 697 698 getsock(af); 699 if (s < 0) 700 err(EXIT_FAILURE, "socket"); 701 if (ioctl(s, SIOCGIFFLAGS, giifr) == -1) { 702 warn("SIOCGIFFLAGS %s", giifr->ifr_name); 703 return (-1); 704 } 705 flags = giifr->ifr_flags; 706 if (ioctl(s, SIOCGIFMETRIC, giifr) == -1) { 707 warn("SIOCGIFMETRIC %s", giifr->ifr_name); 708 metric = 0; 709 } else 710 metric = giifr->ifr_metric; 711 if (ioctl(s, SIOCGIFMTU, giifr) == -1) 712 mtu = 0; 713 else 714 mtu = giifr->ifr_mtu; 715 716 memset(&g_ifcr, 0, sizeof(g_ifcr)); 717 strcpy(g_ifcr.ifcr_name, giifr->ifr_name); 718 (void) ioctl(s, SIOCGIFCAP, &g_ifcr); 719 720 return (0); 721 } 722 723 void 724 printall(const char *ifname) 725 { 726 struct ifaddrs *ifap, *ifa; 727 struct ifreq paifr; 728 const struct sockaddr_dl *sdl = NULL; 729 int idx; 730 char *p; 731 732 if (getifaddrs(&ifap) != 0) 733 err(EXIT_FAILURE, "getifaddrs"); 734 p = NULL; 735 idx = 0; 736 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 737 memset(&paifr, 0, sizeof(paifr)); 738 strncpy(paifr.ifr_name, ifa->ifa_name, sizeof(paifr.ifr_name)); 739 if (sizeof(paifr.ifr_addr) >= ifa->ifa_addr->sa_len) { 740 memcpy(&paifr.ifr_addr, ifa->ifa_addr, 741 ifa->ifa_addr->sa_len); 742 } 743 744 if (ifname && strcmp(ifname, ifa->ifa_name) != 0) 745 continue; 746 if (ifa->ifa_addr->sa_family == AF_LINK) 747 sdl = (const struct sockaddr_dl *) ifa->ifa_addr; 748 if (p && strcmp(p, ifa->ifa_name) == 0) 749 continue; 750 if (strlcpy(name, ifa->ifa_name, sizeof(name)) >= sizeof(name)) 751 continue; 752 p = ifa->ifa_name; 753 754 if (getinfo(&paifr) < 0) 755 continue; 756 if (bflag && (ifa->ifa_flags & IFF_BROADCAST) == 0) 757 continue; 758 if (dflag && (ifa->ifa_flags & IFF_UP) != 0) 759 continue; 760 if (uflag && (ifa->ifa_flags & IFF_UP) == 0) 761 continue; 762 763 if (sflag && carrier()) 764 continue; 765 idx++; 766 /* 767 * Are we just listing the interfaces? 768 */ 769 if (lflag) { 770 if (idx > 1) 771 printf(" "); 772 fputs(name, stdout); 773 continue; 774 } 775 776 status(sdl); 777 sdl = NULL; 778 } 779 if (lflag) 780 printf("\n"); 781 freeifaddrs(ifap); 782 } 783 784 void 785 list_cloners(void) 786 { 787 struct if_clonereq ifcr; 788 char *cp, *buf; 789 int idx; 790 791 memset(&ifcr, 0, sizeof(ifcr)); 792 793 getsock(AF_INET); 794 795 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 796 err(EXIT_FAILURE, "SIOCIFGCLONERS for count"); 797 798 buf = malloc(ifcr.ifcr_total * IFNAMSIZ); 799 if (buf == NULL) 800 err(EXIT_FAILURE, "unable to allocate cloner name buffer"); 801 802 ifcr.ifcr_count = ifcr.ifcr_total; 803 ifcr.ifcr_buffer = buf; 804 805 if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1) 806 err(EXIT_FAILURE, "SIOCIFGCLONERS for names"); 807 808 /* 809 * In case some disappeared in the mean time, clamp it down. 810 */ 811 if (ifcr.ifcr_count > ifcr.ifcr_total) 812 ifcr.ifcr_count = ifcr.ifcr_total; 813 814 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) { 815 if (idx > 0) 816 printf(" "); 817 printf("%s", cp); 818 } 819 820 printf("\n"); 821 free(buf); 822 return; 823 } 824 825 /*ARGSUSED*/ 826 void 827 clone_create(const char *addr, int param) 828 { 829 830 /* We're called early... */ 831 getsock(AF_INET); 832 833 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 834 if (ioctl(s, SIOCIFCREATE, &ifr) == -1) 835 err(EXIT_FAILURE, "SIOCIFCREATE"); 836 } 837 838 /*ARGSUSED*/ 839 void 840 clone_destroy(const char *addr, int param) 841 { 842 843 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 844 if (ioctl(s, SIOCIFDESTROY, &ifr) == -1) 845 err(EXIT_FAILURE, "SIOCIFDESTROY"); 846 } 847 848 #define RIDADDR 0 849 #define ADDR 1 850 #define MASK 2 851 #define DSTADDR 3 852 853 /*ARGSUSED*/ 854 void 855 setifaddr(const char *addr, int param) 856 { 857 struct ifreq *siifr; /* XXX */ 858 859 /* 860 * Delay the ioctl to set the interface addr until flags are all set. 861 * The address interpretation may depend on the flags, 862 * and the flags may change when the address is set. 863 */ 864 setaddr++; 865 if (newaddr == -1) 866 newaddr = 1; 867 if (doalias == 0 && afp->af_gifaddr != 0) { 868 siifr = (struct ifreq *)afp->af_ridreq; 869 (void) strncpy(siifr->ifr_name, name, sizeof(siifr->ifr_name)); 870 siifr->ifr_addr.sa_family = afp->af_af; 871 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0) 872 clearaddr = 1; 873 else if (errno == EADDRNOTAVAIL) 874 /* No address was assigned yet. */ 875 ; 876 else 877 err(EXIT_FAILURE, "SIOCGIFADDR"); 878 } 879 880 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 881 } 882 883 void 884 setifnetmask(const char *addr, int d) 885 { 886 (*afp->af_getaddr)(addr, MASK); 887 } 888 889 void 890 setifbroadaddr(const char *addr, int d) 891 { 892 (*afp->af_getaddr)(addr, DSTADDR); 893 } 894 895 void 896 setifipdst(const char *addr, int d) 897 { 898 in_getaddr(addr, DSTADDR); 899 setipdst++; 900 clearaddr = 0; 901 newaddr = 0; 902 } 903 904 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 905 /*ARGSUSED*/ 906 void 907 notealias(const char *addr, int param) 908 { 909 if (setaddr && doalias == 0 && param < 0) 910 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 911 rqtosa(af_addreq)->sa_len); 912 doalias = param; 913 if (param < 0) { 914 clearaddr = 1; 915 newaddr = 0; 916 conflicting++; 917 } else { 918 clearaddr = 0; 919 conflicting++; 920 } 921 } 922 923 /*ARGSUSED*/ 924 void 925 notrailers(const char *vname, int value) 926 { 927 puts("Note: trailers are no longer sent, but always received"); 928 } 929 930 /*ARGSUSED*/ 931 void 932 setifdstaddr(const char *addr, int param) 933 { 934 (*afp->af_getaddr)(addr, DSTADDR); 935 } 936 937 void 938 setifflags(const char *vname, int value) 939 { 940 struct ifreq ifreq; 941 942 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 943 if (ioctl(s, SIOCGIFFLAGS, &ifreq) == -1) 944 err(EXIT_FAILURE, "SIOCGIFFLAGS"); 945 flags = ifreq.ifr_flags; 946 947 if (value < 0) { 948 value = -value; 949 flags &= ~value; 950 } else 951 flags |= value; 952 ifreq.ifr_flags = flags; 953 if (ioctl(s, SIOCSIFFLAGS, &ifreq) == -1) 954 err(EXIT_FAILURE, "SIOCSIFFLAGS"); 955 } 956 957 void 958 setifcaps(const char *vname, int value) 959 { 960 961 if (value < 0) { 962 value = -value; 963 g_ifcr.ifcr_capenable &= ~value; 964 } else 965 g_ifcr.ifcr_capenable |= value; 966 967 g_ifcr_updated = 1; 968 } 969 970 #ifdef INET6 971 void 972 setia6flags(const char *vname, int value) 973 { 974 975 if (value < 0) { 976 value = -value; 977 in6_addreq.ifra_flags &= ~value; 978 } else 979 in6_addreq.ifra_flags |= value; 980 } 981 982 void 983 setia6pltime(const char *val, int d) 984 { 985 986 setia6lifetime("pltime", val); 987 } 988 989 void 990 setia6vltime(const char *val, int d) 991 { 992 993 setia6lifetime("vltime", val); 994 } 995 996 void 997 setia6lifetime(const char *cmd, const char *val) 998 { 999 time_t newval, t; 1000 char *ep; 1001 1002 t = time(NULL); 1003 newval = (time_t)strtoul(val, &ep, 0); 1004 if (val == ep) 1005 errx(EXIT_FAILURE, "invalid %s", cmd); 1006 if (afp->af_af != AF_INET6) 1007 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd); 1008 if (strcmp(cmd, "vltime") == 0) { 1009 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 1010 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 1011 } else if (strcmp(cmd, "pltime") == 0) { 1012 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 1013 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 1014 } 1015 } 1016 1017 void 1018 setia6eui64(const char *cmd, int val) 1019 { 1020 struct ifaddrs *ifap, *ifa; 1021 const struct sockaddr_in6 *sin6 = NULL; 1022 const struct in6_addr *lladdr = NULL; 1023 struct in6_addr *in6; 1024 1025 if (afp->af_af != AF_INET6) 1026 errx(EXIT_FAILURE, "%s not allowed for the AF", cmd); 1027 in6 = (struct in6_addr *)&in6_addreq.ifra_addr.sin6_addr; 1028 if (memcmp(&in6addr_any.s6_addr[8], &in6->s6_addr[8], 8) != 0) 1029 errx(EXIT_FAILURE, "interface index is already filled"); 1030 if (getifaddrs(&ifap) != 0) 1031 err(EXIT_FAILURE, "getifaddrs"); 1032 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 1033 if (ifa->ifa_addr->sa_family == AF_INET6 && 1034 strcmp(ifa->ifa_name, name) == 0) { 1035 sin6 = (const struct sockaddr_in6 *)ifa->ifa_addr; 1036 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1037 lladdr = &sin6->sin6_addr; 1038 break; 1039 } 1040 } 1041 } 1042 if (!lladdr) 1043 errx(EXIT_FAILURE, "could not determine link local address"); 1044 1045 memcpy(&in6->s6_addr[8], &lladdr->s6_addr[8], 8); 1046 1047 freeifaddrs(ifap); 1048 } 1049 #endif 1050 1051 void 1052 setifmetric(const char *val, int d) 1053 { 1054 char *ep = NULL; 1055 1056 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1057 ifr.ifr_metric = strtoul(val, &ep, 10); 1058 if (!ep || *ep) 1059 errx(EXIT_FAILURE, "%s: invalid metric", val); 1060 if (ioctl(s, SIOCSIFMETRIC, &ifr) == -1) 1061 warn("SIOCSIFMETRIC"); 1062 } 1063 1064 void 1065 setifmtu(const char *val, int d) 1066 { 1067 char *ep = NULL; 1068 1069 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1070 ifr.ifr_mtu = strtoul(val, &ep, 10); 1071 if (!ep || *ep) 1072 errx(EXIT_FAILURE, "%s: invalid mtu", val); 1073 if (ioctl(s, SIOCSIFMTU, &ifr) == -1) 1074 warn("SIOCSIFMTU"); 1075 } 1076 1077 const char * 1078 get_string(const char *val, const char *sep, u_int8_t *buf, int *lenp) 1079 { 1080 int len; 1081 int hexstr; 1082 u_int8_t *p; 1083 1084 len = *lenp; 1085 p = buf; 1086 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 1087 if (hexstr) 1088 val += 2; 1089 for (;;) { 1090 if (*val == '\0') 1091 break; 1092 if (sep != NULL && strchr(sep, *val) != NULL) { 1093 val++; 1094 break; 1095 } 1096 if (hexstr) { 1097 if (!isxdigit((u_char)val[0]) || 1098 !isxdigit((u_char)val[1])) { 1099 warnx("bad hexadecimal digits"); 1100 return NULL; 1101 } 1102 } 1103 if (p > buf + len) { 1104 if (hexstr) 1105 warnx("hexadecimal digits too long"); 1106 else 1107 warnx("strings too long"); 1108 return NULL; 1109 } 1110 if (hexstr) { 1111 #define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 1112 *p++ = (tohex((u_char)val[0]) << 4) | 1113 tohex((u_char)val[1]); 1114 #undef tohex 1115 val += 2; 1116 } else 1117 *p++ = *val++; 1118 } 1119 len = p - buf; 1120 if (len < *lenp) 1121 memset(p, 0, *lenp - len); 1122 *lenp = len; 1123 return val; 1124 } 1125 1126 void 1127 print_string(const u_int8_t *buf, int len) 1128 { 1129 int i; 1130 int hasspc; 1131 1132 i = 0; 1133 hasspc = 0; 1134 if (len < 2 || buf[0] != '0' || tolower(buf[1]) != 'x') { 1135 for (; i < len; i++) { 1136 if (!isprint(buf[i])) 1137 break; 1138 if (isspace(buf[i])) 1139 hasspc++; 1140 } 1141 } 1142 if (i == len) { 1143 if (hasspc || len == 0) 1144 printf("\"%.*s\"", len, buf); 1145 else 1146 printf("%.*s", len, buf); 1147 } else { 1148 printf("0x"); 1149 for (i = 0; i < len; i++) 1150 printf("%02x", buf[i]); 1151 } 1152 } 1153 1154 static void 1155 media_error(int type, const char *val, const char *opt) 1156 { 1157 errx(EXIT_FAILURE, "unknown %s media %s: %s", 1158 get_media_type_string(type), opt, val); 1159 } 1160 1161 void 1162 init_current_media(void) 1163 { 1164 struct ifmediareq ifmr; 1165 1166 /* 1167 * If we have not yet done so, grab the currently-selected 1168 * media. 1169 */ 1170 if ((actions & (A_MEDIA|A_MEDIAOPT|A_MEDIAMODE)) == 0) { 1171 (void) memset(&ifmr, 0, sizeof(ifmr)); 1172 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1173 1174 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1175 /* 1176 * If we get E2BIG, the kernel is telling us 1177 * that there are more, so we can ignore it. 1178 */ 1179 if (errno != E2BIG) 1180 err(EXIT_FAILURE, "SGIOCGIFMEDIA"); 1181 } 1182 1183 media_current = ifmr.ifm_current; 1184 } 1185 1186 /* Sanity. */ 1187 if (IFM_TYPE(media_current) == 0) 1188 errx(EXIT_FAILURE, "%s: no link type?", name); 1189 } 1190 1191 void 1192 process_media_commands(void) 1193 { 1194 1195 if ((actions & (A_MEDIA|A_MEDIAOPT|A_MEDIAMODE)) == 0) { 1196 /* Nothing to do. */ 1197 return; 1198 } 1199 1200 /* 1201 * Media already set up, and commands sanity-checked. Set/clear 1202 * any options, and we're ready to go. 1203 */ 1204 media_current |= mediaopt_set; 1205 media_current &= ~mediaopt_clear; 1206 1207 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1208 ifr.ifr_media = media_current; 1209 1210 if (ioctl(s, SIOCSIFMEDIA, &ifr) == -1) 1211 err(EXIT_FAILURE, "SIOCSIFMEDIA"); 1212 } 1213 1214 void 1215 setmedia(const char *val, int d) 1216 { 1217 int type, subtype, inst; 1218 1219 init_current_media(); 1220 1221 /* Only one media command may be given. */ 1222 if (actions & A_MEDIA) 1223 errx(EXIT_FAILURE, "only one `media' command may be issued"); 1224 1225 /* Must not come after mode commands */ 1226 if (actions & A_MEDIAMODE) 1227 errx(EXIT_FAILURE, 1228 "may not issue `media' after `mode' commands"); 1229 1230 /* Must not come after mediaopt commands */ 1231 if (actions & A_MEDIAOPT) 1232 errx(EXIT_FAILURE, 1233 "may not issue `media' after `mediaopt' commands"); 1234 1235 /* 1236 * No need to check if `instance' has been issued; setmediainst() 1237 * craps out if `media' has not been specified. 1238 */ 1239 1240 type = IFM_TYPE(media_current); 1241 inst = IFM_INST(media_current); 1242 1243 /* Look up the subtype. */ 1244 subtype = get_media_subtype(type, val); 1245 if (subtype == -1) 1246 media_error(type, val, "subtype"); 1247 1248 /* Build the new current media word. */ 1249 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1250 1251 /* Media will be set after other processing is complete. */ 1252 } 1253 1254 void 1255 setmediaopt(const char *val, int d) 1256 { 1257 char *invalid; 1258 1259 init_current_media(); 1260 1261 /* Can only issue `mediaopt' once. */ 1262 if (actions & A_MEDIAOPTSET) 1263 errx(EXIT_FAILURE, "only one `mediaopt' command may be issued"); 1264 1265 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1266 if (actions & A_MEDIAINST) 1267 errx(EXIT_FAILURE, "may not issue `mediaopt' after `instance'"); 1268 1269 mediaopt_set = get_media_options(media_current, val, &invalid); 1270 if (mediaopt_set == -1) 1271 media_error(media_current, invalid, "option"); 1272 1273 /* Media will be set after other processing is complete. */ 1274 } 1275 1276 void 1277 unsetmediaopt(const char *val, int d) 1278 { 1279 char *invalid; 1280 1281 init_current_media(); 1282 1283 /* Can only issue `-mediaopt' once. */ 1284 if (actions & A_MEDIAOPTCLR) 1285 errx(EXIT_FAILURE, 1286 "only one `-mediaopt' command may be issued"); 1287 1288 /* May not issue `media' and `-mediaopt'. */ 1289 if (actions & A_MEDIA) 1290 errx(EXIT_FAILURE, 1291 "may not issue both `media' and `-mediaopt'"); 1292 1293 /* 1294 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1295 * implicitly checks for A_MEDIAINST. 1296 */ 1297 1298 mediaopt_clear = get_media_options(media_current, val, &invalid); 1299 if (mediaopt_clear == -1) 1300 media_error(media_current, invalid, "option"); 1301 1302 /* Media will be set after other processing is complete. */ 1303 } 1304 1305 void 1306 setmediainst(const char *val, int d) 1307 { 1308 int type, subtype, options, inst; 1309 1310 init_current_media(); 1311 1312 /* Can only issue `instance' once. */ 1313 if (actions & A_MEDIAINST) 1314 errx(EXIT_FAILURE, "only one `instance' command may be issued"); 1315 1316 /* Must have already specified `media' */ 1317 if ((actions & A_MEDIA) == 0) 1318 errx(EXIT_FAILURE, "must specify `media' before `instance'"); 1319 1320 type = IFM_TYPE(media_current); 1321 subtype = IFM_SUBTYPE(media_current); 1322 options = IFM_OPTIONS(media_current); 1323 1324 inst = atoi(val); 1325 if (inst < 0 || inst > IFM_INST_MAX) 1326 errx(EXIT_FAILURE, "invalid media instance: %s", val); 1327 1328 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1329 1330 /* Media will be set after other processing is complete. */ 1331 } 1332 1333 void 1334 setmediamode(const char *val, int d) 1335 { 1336 int type, subtype, options, inst, mode; 1337 1338 init_current_media(); 1339 1340 /* Can only issue `mode' once. */ 1341 if (actions & A_MEDIAMODE) 1342 errx(EXIT_FAILURE, "only one `mode' command may be issued"); 1343 1344 type = IFM_TYPE(media_current); 1345 subtype = IFM_SUBTYPE(media_current); 1346 options = IFM_OPTIONS(media_current); 1347 inst = IFM_INST(media_current); 1348 1349 mode = get_media_mode(type, val); 1350 if (mode == -1) 1351 media_error(type, val, "mode"); 1352 1353 media_current = IFM_MAKEWORD(type, subtype, options, inst) | mode; 1354 1355 /* Media will be set after other processing is complete. */ 1356 } 1357 1358 void 1359 print_media_word(int ifmw, const char *opt_sep) 1360 { 1361 const char *str; 1362 1363 printf("%s", get_media_subtype_string(ifmw)); 1364 1365 /* Find mode. */ 1366 if (IFM_MODE(ifmw) != 0) { 1367 str = get_media_mode_string(ifmw); 1368 if (str != NULL) 1369 printf(" mode %s", str); 1370 } 1371 1372 /* Find options. */ 1373 for (; (str = get_media_option_string(&ifmw)) != NULL; opt_sep = ",") 1374 printf("%s%s", opt_sep, str); 1375 1376 if (IFM_INST(ifmw) != 0) 1377 printf(" instance %d", IFM_INST(ifmw)); 1378 } 1379 1380 int 1381 carrier(void) 1382 { 1383 struct ifmediareq ifmr; 1384 1385 (void) memset(&ifmr, 0, sizeof(ifmr)); 1386 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1387 1388 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1389 /* 1390 * Interface doesn't support SIOC{G,S}IFMEDIA; 1391 * assume ok. 1392 */ 1393 return 0; 1394 } 1395 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1396 /* 1397 * Interface doesn't report media-valid status. 1398 * assume ok. 1399 */ 1400 return 0; 1401 } 1402 /* otherwise, return ok for active, not-ok if not active. */ 1403 return !(ifmr.ifm_status & IFM_ACTIVE); 1404 } 1405 1406 1407 #define IFFBITS \ 1408 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 1409 \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 1410 1411 #define IFCAPBITS \ 1412 "\020\1IP4CSUM\2TCP4CSUM\3UDP4CSUM\4TCP6CSUM\5UDP6CSUM\6TCP4CSUM_Rx\7UDP4CSUM_Rx\10TSO4" 1413 1414 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1415 1416 const struct ifmedia_status_description ifm_status_descriptions[] = 1417 IFM_STATUS_DESCRIPTIONS; 1418 1419 /* 1420 * Print the status of the interface. If an address family was 1421 * specified, show it and it only; otherwise, show them all. 1422 */ 1423 void 1424 status(const struct sockaddr_dl *sdl) 1425 { 1426 const struct afswtch *p = afp; 1427 struct ifmediareq ifmr; 1428 struct ifdatareq ifdr; 1429 int *media_list, i; 1430 char hbuf[NI_MAXHOST]; 1431 char fbuf[BUFSIZ]; 1432 1433 (void)snprintb(fbuf, sizeof(fbuf), IFFBITS, flags); 1434 printf("%s: flags=%s", name, &fbuf[2]); 1435 if (metric) 1436 printf(" metric %lu", metric); 1437 if (mtu) 1438 printf(" mtu %lu", mtu); 1439 printf("\n"); 1440 1441 if (g_ifcr.ifcr_capabilities) { 1442 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 1443 g_ifcr.ifcr_capabilities); 1444 printf("\tcapabilities=%s\n", &fbuf[2]); 1445 (void)snprintb(fbuf, sizeof(fbuf), IFCAPBITS, 1446 g_ifcr.ifcr_capenable); 1447 printf("\tenabled=%s\n", &fbuf[2]); 1448 } 1449 1450 ieee80211_status(); 1451 vlan_status(); 1452 tunnel_status(); 1453 agr_status(); 1454 1455 if (sdl != NULL && 1456 getnameinfo((const struct sockaddr *)sdl, sdl->sdl_len, 1457 hbuf, sizeof(hbuf), NULL, 0, NI_NUMERICHOST) == 0 && 1458 hbuf[0] != '\0') 1459 printf("\taddress: %s\n", hbuf); 1460 1461 (void) memset(&ifmr, 0, sizeof(ifmr)); 1462 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1463 1464 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) { 1465 /* 1466 * Interface doesn't support SIOC{G,S}IFMEDIA. 1467 */ 1468 goto iface_stats; 1469 } 1470 1471 if (ifmr.ifm_count == 0) { 1472 warnx("%s: no media types?", name); 1473 goto iface_stats; 1474 } 1475 1476 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1477 if (media_list == NULL) 1478 err(EXIT_FAILURE, "malloc"); 1479 ifmr.ifm_ulist = media_list; 1480 1481 if (ioctl(s, SIOCGIFMEDIA, &ifmr) == -1) 1482 err(EXIT_FAILURE, "SIOCGIFMEDIA"); 1483 1484 printf("\tmedia: %s ", get_media_type_string(ifmr.ifm_current)); 1485 print_media_word(ifmr.ifm_current, " "); 1486 if (ifmr.ifm_active != ifmr.ifm_current) { 1487 printf(" ("); 1488 print_media_word(ifmr.ifm_active, " "); 1489 printf(")"); 1490 } 1491 printf("\n"); 1492 1493 if (ifmr.ifm_status & IFM_STATUS_VALID) { 1494 const struct ifmedia_status_description *ifms; 1495 int bitno, found = 0; 1496 1497 printf("\tstatus: "); 1498 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 1499 for (ifms = ifm_status_descriptions; 1500 ifms->ifms_valid != 0; ifms++) { 1501 if (ifms->ifms_type != 1502 IFM_TYPE(ifmr.ifm_current) || 1503 ifms->ifms_valid != 1504 ifm_status_valid_list[bitno]) 1505 continue; 1506 printf("%s%s", found ? ", " : "", 1507 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 1508 found = 1; 1509 1510 /* 1511 * For each valid indicator bit, there's 1512 * only one entry for each media type, so 1513 * terminate the inner loop now. 1514 */ 1515 break; 1516 } 1517 } 1518 1519 if (found == 0) 1520 printf("unknown"); 1521 printf("\n"); 1522 } 1523 1524 if (mflag) { 1525 int type, printed_type; 1526 1527 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 1528 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 1529 if (IFM_TYPE(media_list[i]) != type) 1530 continue; 1531 if (printed_type == 0) { 1532 printf("\tsupported %s media:\n", 1533 get_media_type_string(type)); 1534 printed_type = 1; 1535 } 1536 printf("\t\tmedia "); 1537 print_media_word(media_list[i], " mediaopt "); 1538 printf("\n"); 1539 } 1540 } 1541 } 1542 1543 free(media_list); 1544 1545 iface_stats: 1546 if (!vflag && !zflag) 1547 goto proto_status; 1548 1549 (void) strncpy(ifdr.ifdr_name, name, sizeof(ifdr.ifdr_name)); 1550 1551 if (ioctl(s, zflag ? SIOCZIFDATA:SIOCGIFDATA, &ifdr) == -1) { 1552 err(EXIT_FAILURE, zflag ? "SIOCZIFDATA" : "SIOCGIFDATA"); 1553 } else { 1554 struct if_data * const ifi = &ifdr.ifdr_data; 1555 #define PLURAL(n) ((n) == 1 ? "" : "s") 1556 printf("\tinput: %llu packet%s, %llu byte%s", 1557 (unsigned long long) ifi->ifi_ipackets, 1558 PLURAL(ifi->ifi_ipackets), 1559 (unsigned long long) ifi->ifi_ibytes, 1560 PLURAL(ifi->ifi_ibytes)); 1561 if (ifi->ifi_imcasts) 1562 printf(", %llu multicast%s", 1563 (unsigned long long) ifi->ifi_imcasts, 1564 PLURAL(ifi->ifi_imcasts)); 1565 if (ifi->ifi_ierrors) 1566 printf(", %llu error%s", 1567 (unsigned long long) ifi->ifi_ierrors, 1568 PLURAL(ifi->ifi_ierrors)); 1569 if (ifi->ifi_iqdrops) 1570 printf(", %llu queue drop%s", 1571 (unsigned long long) ifi->ifi_iqdrops, 1572 PLURAL(ifi->ifi_iqdrops)); 1573 if (ifi->ifi_noproto) 1574 printf(", %llu unknown protocol", 1575 (unsigned long long) ifi->ifi_noproto); 1576 printf("\n\toutput: %llu packet%s, %llu byte%s", 1577 (unsigned long long) ifi->ifi_opackets, 1578 PLURAL(ifi->ifi_opackets), 1579 (unsigned long long) ifi->ifi_obytes, 1580 PLURAL(ifi->ifi_obytes)); 1581 if (ifi->ifi_omcasts) 1582 printf(", %llu multicast%s", 1583 (unsigned long long) ifi->ifi_omcasts, 1584 PLURAL(ifi->ifi_omcasts)); 1585 if (ifi->ifi_oerrors) 1586 printf(", %llu error%s", 1587 (unsigned long long) ifi->ifi_oerrors, 1588 PLURAL(ifi->ifi_oerrors)); 1589 if (ifi->ifi_collisions) 1590 printf(", %llu collision%s", 1591 (unsigned long long) ifi->ifi_collisions, 1592 PLURAL(ifi->ifi_collisions)); 1593 printf("\n"); 1594 #undef PLURAL 1595 } 1596 1597 ieee80211_statistics(); 1598 1599 proto_status: 1600 if ((p = afp) != NULL) { 1601 (*p->af_status)(1); 1602 } else for (p = afs; p->af_name; p++) { 1603 ifr.ifr_addr.sa_family = p->af_af; 1604 (*p->af_status)(0); 1605 } 1606 } 1607 1608 void 1609 in_alias(struct ifreq *creq) 1610 { 1611 struct sockaddr_in *iasin; 1612 int alias; 1613 1614 if (lflag) 1615 return; 1616 1617 alias = 1; 1618 1619 /* Get the non-alias address for this interface. */ 1620 getsock(AF_INET); 1621 if (s < 0) { 1622 if (errno == EPROTONOSUPPORT) 1623 return; 1624 err(EXIT_FAILURE, "socket"); 1625 } 1626 (void) memset(&ifr, 0, sizeof(ifr)); 1627 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1628 if (ioctl(s, SIOCGIFADDR, &ifr) == -1) { 1629 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1630 return; 1631 } else 1632 warn("SIOCGIFADDR"); 1633 } 1634 /* If creq and ifr are the same address, this is not an alias. */ 1635 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 1636 sizeof(creq->ifr_addr)) == 0) 1637 alias = 0; 1638 (void) memset(&in_addreq, 0, sizeof(in_addreq)); 1639 (void) strncpy(in_addreq.ifra_name, name, sizeof(in_addreq.ifra_name)); 1640 memcpy(&in_addreq.ifra_addr, &creq->ifr_addr, 1641 sizeof(in_addreq.ifra_addr)); 1642 if (ioctl(s, SIOCGIFALIAS, &in_addreq) == -1) { 1643 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1644 return; 1645 } else 1646 warn("SIOCGIFALIAS"); 1647 } 1648 1649 iasin = &in_addreq.ifra_addr; 1650 printf("\tinet %s%s", alias ? "alias " : "", inet_ntoa(iasin->sin_addr)); 1651 1652 if (flags & IFF_POINTOPOINT) { 1653 iasin = &in_addreq.ifra_dstaddr; 1654 printf(" -> %s", inet_ntoa(iasin->sin_addr)); 1655 } 1656 1657 iasin = &in_addreq.ifra_mask; 1658 printf(" netmask 0x%x", ntohl(iasin->sin_addr.s_addr)); 1659 1660 if (flags & IFF_BROADCAST) { 1661 iasin = &in_addreq.ifra_broadaddr; 1662 printf(" broadcast %s", inet_ntoa(iasin->sin_addr)); 1663 } 1664 printf("\n"); 1665 } 1666 1667 void 1668 in_status(int force) 1669 { 1670 struct ifaddrs *ifap, *ifa; 1671 struct ifreq isifr; 1672 1673 if (getifaddrs(&ifap) != 0) 1674 err(EXIT_FAILURE, "getifaddrs"); 1675 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 1676 if (strcmp(name, ifa->ifa_name) != 0) 1677 continue; 1678 if (ifa->ifa_addr->sa_family != AF_INET) 1679 continue; 1680 if (sizeof(isifr.ifr_addr) < ifa->ifa_addr->sa_len) 1681 continue; 1682 1683 memset(&isifr, 0, sizeof(isifr)); 1684 strncpy(isifr.ifr_name, ifa->ifa_name, sizeof(isifr.ifr_name)); 1685 memcpy(&isifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 1686 in_alias(&isifr); 1687 } 1688 freeifaddrs(ifap); 1689 } 1690 1691 void 1692 setifprefixlen(const char *addr, int d) 1693 { 1694 if (*afp->af_getprefix) 1695 (*afp->af_getprefix)(addr, MASK); 1696 explicit_prefix = 1; 1697 } 1698 1699 #ifdef INET6 1700 void 1701 in6_fillscopeid(struct sockaddr_in6 *sin6) 1702 { 1703 #if defined(__KAME__) && defined(KAME_SCOPEID) 1704 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1705 sin6->sin6_scope_id = 1706 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 1707 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 1708 } 1709 #endif 1710 } 1711 1712 /* XXX not really an alias */ 1713 void 1714 in6_alias(struct in6_ifreq *creq) 1715 { 1716 struct sockaddr_in6 *sin6; 1717 char hbuf[NI_MAXHOST]; 1718 u_int32_t scopeid; 1719 const int niflag = NI_NUMERICHOST; 1720 1721 /* Get the non-alias address for this interface. */ 1722 getsock(AF_INET6); 1723 if (s < 0) { 1724 if (errno == EPROTONOSUPPORT) 1725 return; 1726 err(EXIT_FAILURE, "socket"); 1727 } 1728 1729 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 1730 1731 in6_fillscopeid(sin6); 1732 scopeid = sin6->sin6_scope_id; 1733 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 1734 hbuf, sizeof(hbuf), NULL, 0, niflag)) 1735 strlcpy(hbuf, "", sizeof(hbuf)); /* some message? */ 1736 printf("\tinet6 %s", hbuf); 1737 1738 if (flags & IFF_POINTOPOINT) { 1739 (void) memset(&ifr6, 0, sizeof(ifr6)); 1740 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 1741 ifr6.ifr_addr = creq->ifr_addr; 1742 if (ioctl(s, SIOCGIFDSTADDR_IN6, &ifr6) == -1) { 1743 if (errno != EADDRNOTAVAIL) 1744 warn("SIOCGIFDSTADDR_IN6"); 1745 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 1746 ifr6.ifr_addr.sin6_family = AF_INET6; 1747 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 1748 } 1749 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 1750 in6_fillscopeid(sin6); 1751 hbuf[0] = '\0'; 1752 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 1753 hbuf, sizeof(hbuf), NULL, 0, niflag)) 1754 strlcpy(hbuf, "", sizeof(hbuf)); /* some message? */ 1755 printf(" -> %s", hbuf); 1756 } 1757 1758 (void) memset(&ifr6, 0, sizeof(ifr6)); 1759 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 1760 ifr6.ifr_addr = creq->ifr_addr; 1761 if (ioctl(s, SIOCGIFNETMASK_IN6, &ifr6) == -1) { 1762 if (errno != EADDRNOTAVAIL) 1763 warn("SIOCGIFNETMASK_IN6"); 1764 } else { 1765 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 1766 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 1767 sizeof(struct in6_addr))); 1768 } 1769 1770 (void) memset(&ifr6, 0, sizeof(ifr6)); 1771 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 1772 ifr6.ifr_addr = creq->ifr_addr; 1773 if (ioctl(s, SIOCGIFAFLAG_IN6, &ifr6) == -1) { 1774 if (errno != EADDRNOTAVAIL) 1775 warn("SIOCGIFAFLAG_IN6"); 1776 } else { 1777 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 1778 printf(" anycast"); 1779 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 1780 printf(" tentative"); 1781 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 1782 printf(" duplicated"); 1783 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 1784 printf(" detached"); 1785 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DEPRECATED) 1786 printf(" deprecated"); 1787 } 1788 1789 if (scopeid) 1790 printf(" scopeid 0x%x", scopeid); 1791 1792 if (Lflag) { 1793 struct in6_addrlifetime *lifetime; 1794 (void) memset(&ifr6, 0, sizeof(ifr6)); 1795 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 1796 ifr6.ifr_addr = creq->ifr_addr; 1797 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 1798 if (ioctl(s, SIOCGIFALIFETIME_IN6, &ifr6) == -1) { 1799 if (errno != EADDRNOTAVAIL) 1800 warn("SIOCGIFALIFETIME_IN6"); 1801 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 1802 time_t t = time(NULL); 1803 printf(" pltime "); 1804 if (lifetime->ia6t_preferred) { 1805 printf("%s", lifetime->ia6t_preferred < t 1806 ? "0" 1807 : sec2str(lifetime->ia6t_preferred - t)); 1808 } else 1809 printf("infty"); 1810 1811 printf(" vltime "); 1812 if (lifetime->ia6t_expire) { 1813 printf("%s", lifetime->ia6t_expire < t 1814 ? "0" 1815 : sec2str(lifetime->ia6t_expire - t)); 1816 } else 1817 printf("infty"); 1818 } 1819 } 1820 1821 printf("\n"); 1822 } 1823 1824 void 1825 in6_status(int force) 1826 { 1827 struct ifaddrs *ifap, *ifa; 1828 struct in6_ifreq isifr; 1829 1830 if (getifaddrs(&ifap) != 0) 1831 err(EXIT_FAILURE, "getifaddrs"); 1832 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 1833 if (strcmp(name, ifa->ifa_name) != 0) 1834 continue; 1835 if (ifa->ifa_addr->sa_family != AF_INET6) 1836 continue; 1837 if (sizeof(isifr.ifr_addr) < ifa->ifa_addr->sa_len) 1838 continue; 1839 1840 memset(&isifr, 0, sizeof(isifr)); 1841 strncpy(isifr.ifr_name, ifa->ifa_name, sizeof(isifr.ifr_name)); 1842 memcpy(&isifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 1843 in6_alias(&isifr); 1844 } 1845 freeifaddrs(ifap); 1846 } 1847 #endif /*INET6*/ 1848 1849 #ifndef INET_ONLY 1850 1851 void 1852 at_status(int force) 1853 { 1854 struct sockaddr_at *sat, null_sat; 1855 struct netrange *nr; 1856 1857 getsock(AF_APPLETALK); 1858 if (s < 0) { 1859 if (errno == EPROTONOSUPPORT) 1860 return; 1861 err(EXIT_FAILURE, "socket"); 1862 } 1863 (void) memset(&ifr, 0, sizeof(ifr)); 1864 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1865 if (ioctl(s, SIOCGIFADDR, &ifr) == -1) { 1866 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1867 if (!force) 1868 return; 1869 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1870 } else 1871 warn("SIOCGIFADDR"); 1872 } 1873 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 1874 sat = (struct sockaddr_at *)&ifr.ifr_addr; 1875 1876 (void) memset(&null_sat, 0, sizeof(null_sat)); 1877 1878 nr = (struct netrange *) &sat->sat_zero; 1879 printf("\tatalk %d.%d range %d-%d phase %d", 1880 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 1881 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 1882 if (flags & IFF_POINTOPOINT) { 1883 if (ioctl(s, SIOCGIFDSTADDR, &ifr) == -1) { 1884 if (errno == EADDRNOTAVAIL) 1885 (void) memset(&ifr.ifr_addr, 0, 1886 sizeof(ifr.ifr_addr)); 1887 else 1888 warn("SIOCGIFDSTADDR"); 1889 } 1890 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1891 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 1892 if (!sat) 1893 sat = &null_sat; 1894 printf("--> %d.%d", 1895 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 1896 } 1897 if (flags & IFF_BROADCAST) { 1898 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 1899 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 1900 if (sat) 1901 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 1902 sat->sat_addr.s_node); 1903 } 1904 printf("\n"); 1905 } 1906 1907 void 1908 xns_status(int force) 1909 { 1910 struct sockaddr_ns *sns; 1911 1912 getsock(AF_NS); 1913 if (s < 0) { 1914 if (errno == EPROTONOSUPPORT) 1915 return; 1916 err(EXIT_FAILURE, "socket"); 1917 } 1918 (void) memset(&ifr, 0, sizeof(ifr)); 1919 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1920 if (ioctl(s, SIOCGIFADDR, &ifr) == -1) { 1921 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1922 if (!force) 1923 return; 1924 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1925 } else 1926 warn("SIOCGIFADDR"); 1927 } 1928 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 1929 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 1930 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 1931 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 1932 if (ioctl(s, SIOCGIFDSTADDR, &ifr) == -1) { 1933 if (errno == EADDRNOTAVAIL) 1934 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1935 else 1936 warn("SIOCGIFDSTADDR"); 1937 } 1938 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1939 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 1940 printf("--> %s ", ns_ntoa(sns->sns_addr)); 1941 } 1942 printf("\n"); 1943 } 1944 1945 void 1946 iso_status(int force) 1947 { 1948 struct sockaddr_iso *siso; 1949 struct iso_ifreq isoifr; 1950 1951 getsock(AF_ISO); 1952 if (s < 0) { 1953 if (errno == EPROTONOSUPPORT) 1954 return; 1955 err(EXIT_FAILURE, "socket"); 1956 } 1957 (void) memset(&isoifr, 0, sizeof(isoifr)); 1958 (void) strncpy(isoifr.ifr_name, name, sizeof(isoifr.ifr_name)); 1959 if (ioctl(s, SIOCGIFADDR_ISO, &isoifr) == -1) { 1960 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1961 if (!force) 1962 return; 1963 (void) memset(&isoifr.ifr_Addr, 0, 1964 sizeof(isoifr.ifr_Addr)); 1965 } else 1966 warn("SIOCGIFADDR_ISO"); 1967 } 1968 (void) strncpy(isoifr.ifr_name, name, sizeof isoifr.ifr_name); 1969 siso = &isoifr.ifr_Addr; 1970 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 1971 if (ioctl(s, SIOCGIFNETMASK_ISO, &isoifr) == -1) { 1972 if (errno == EADDRNOTAVAIL) 1973 memset(&isoifr.ifr_Addr, 0, sizeof(isoifr.ifr_Addr)); 1974 else 1975 warn("SIOCGIFNETMASK_ISO"); 1976 } else { 1977 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 1978 siso->siso_addr.isoa_len = siso->siso_len 1979 - offsetof(struct sockaddr_iso, siso_addr); 1980 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 1981 } 1982 if (flags & IFF_POINTOPOINT) { 1983 if (ioctl(s, SIOCGIFDSTADDR_ISO, &isoifr) == -1) { 1984 if (errno == EADDRNOTAVAIL) 1985 memset(&isoifr.ifr_Addr, 0, 1986 sizeof(isoifr.ifr_Addr)); 1987 else 1988 warn("SIOCGIFDSTADDR_ISO"); 1989 } 1990 (void) strncpy(isoifr.ifr_name, name, sizeof (isoifr.ifr_name)); 1991 siso = &isoifr.ifr_Addr; 1992 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 1993 } 1994 printf("\n"); 1995 } 1996 1997 #endif /* INET_ONLY */ 1998 1999 #define SIN(x) ((struct sockaddr_in *) &(x)) 2000 struct sockaddr_in *sintab[] = { 2001 SIN(ridreq.ifr_addr), SIN(in_addreq.ifra_addr), 2002 SIN(in_addreq.ifra_mask), SIN(in_addreq.ifra_broadaddr)}; 2003 2004 void 2005 in_getaddr(const char *str, int which) 2006 { 2007 struct sockaddr_in *gasin = sintab[which]; 2008 struct hostent *hp; 2009 struct netent *np; 2010 2011 gasin->sin_len = sizeof(*gasin); 2012 if (which != MASK) 2013 gasin->sin_family = AF_INET; 2014 2015 if (which == ADDR) { 2016 char *p = NULL; 2017 if ((p = strrchr(str, '/')) != NULL) { 2018 *p = '\0'; 2019 in_getprefix(p + 1, MASK); 2020 } 2021 } 2022 2023 if (inet_aton(str, &gasin->sin_addr) == 0) { 2024 if ((hp = gethostbyname(str)) != NULL) 2025 (void) memcpy(&gasin->sin_addr, hp->h_addr, hp->h_length); 2026 else if ((np = getnetbyname(str)) != NULL) 2027 gasin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 2028 else 2029 errx(EXIT_FAILURE, "%s: bad value", str); 2030 } 2031 } 2032 2033 void 2034 in_getprefix(const char *plen, int which) 2035 { 2036 struct sockaddr_in *igsin = sintab[which]; 2037 u_char *cp; 2038 int len = strtol(plen, (char **)NULL, 10); 2039 2040 if ((len < 0) || (len > 32)) 2041 errx(EXIT_FAILURE, "%s: bad value", plen); 2042 igsin->sin_len = sizeof(*igsin); 2043 if (which != MASK) 2044 igsin->sin_family = AF_INET; 2045 if ((len == 0) || (len == 32)) { 2046 memset(&igsin->sin_addr, 0xff, sizeof(struct in_addr)); 2047 return; 2048 } 2049 memset((void *)&igsin->sin_addr, 0x00, sizeof(igsin->sin_addr)); 2050 for (cp = (u_char *)&igsin->sin_addr; len > 7; len -= 8) 2051 *cp++ = 0xff; 2052 if (len) 2053 *cp = 0xff << (8 - len); 2054 } 2055 2056 #ifdef INET6 2057 #define SIN6(x) ((struct sockaddr_in6 *) &(x)) 2058 struct sockaddr_in6 *sin6tab[] = { 2059 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 2060 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 2061 2062 void 2063 in6_getaddr(const char *str, int which) 2064 { 2065 #if defined(__KAME__) && defined(KAME_SCOPEID) 2066 struct sockaddr_in6 *sin6 = sin6tab[which]; 2067 struct addrinfo hints, *res; 2068 int error; 2069 char *slash = NULL; 2070 2071 if (which == ADDR) { 2072 if ((slash = strrchr(str, '/')) != NULL) 2073 *slash = '\0'; 2074 } 2075 2076 memset(&hints, 0, sizeof(hints)); 2077 hints.ai_family = AF_INET6; 2078 hints.ai_socktype = SOCK_DGRAM; 2079 #if 0 /* in_getaddr() allows FQDN */ 2080 hints.ai_flags = AI_NUMERICHOST; 2081 #endif 2082 error = getaddrinfo(str, "0", &hints, &res); 2083 if (error && slash) { 2084 /* try again treating the '/' as part of the name */ 2085 *slash = '/'; 2086 slash = NULL; 2087 error = getaddrinfo(str, "0", &hints, &res); 2088 } 2089 if (error) 2090 errx(EXIT_FAILURE, "%s: %s", str, gai_strerror(error)); 2091 if (res->ai_next) 2092 errx(EXIT_FAILURE, "%s: resolved to multiple addresses", str); 2093 if (res->ai_addrlen != sizeof(struct sockaddr_in6)) 2094 errx(EXIT_FAILURE, "%s: bad value", str); 2095 memcpy(sin6, res->ai_addr, res->ai_addrlen); 2096 freeaddrinfo(res); 2097 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) { 2098 *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = 2099 htons(sin6->sin6_scope_id); 2100 sin6->sin6_scope_id = 0; 2101 } 2102 if (slash) { 2103 in6_getprefix(slash + 1, MASK); 2104 explicit_prefix = 1; 2105 } 2106 #else 2107 struct sockaddr_in6 *gasin = sin6tab[which]; 2108 2109 gasin->sin6_len = sizeof(*gasin); 2110 if (which != MASK) 2111 gasin->sin6_family = AF_INET6; 2112 2113 if (which == ADDR) { 2114 char *p = NULL; 2115 if((p = strrchr(str, '/')) != NULL) { 2116 *p = '\0'; 2117 in6_getprefix(p + 1, MASK); 2118 explicit_prefix = 1; 2119 } 2120 } 2121 2122 if (inet_pton(AF_INET6, str, &gasin->sin6_addr) != 1) 2123 errx(EXIT_FAILURE, "%s: bad value", str); 2124 #endif 2125 } 2126 2127 void 2128 in6_getprefix(const char *plen, int which) 2129 { 2130 struct sockaddr_in6 *gpsin = sin6tab[which]; 2131 u_char *cp; 2132 int len = strtol(plen, (char **)NULL, 10); 2133 2134 if ((len < 0) || (len > 128)) 2135 errx(EXIT_FAILURE, "%s: bad value", plen); 2136 gpsin->sin6_len = sizeof(*gpsin); 2137 if (which != MASK) 2138 gpsin->sin6_family = AF_INET6; 2139 if ((len == 0) || (len == 128)) { 2140 memset(&gpsin->sin6_addr, 0xff, sizeof(struct in6_addr)); 2141 return; 2142 } 2143 memset((void *)&gpsin->sin6_addr, 0x00, sizeof(gpsin->sin6_addr)); 2144 for (cp = (u_char *)&gpsin->sin6_addr; len > 7; len -= 8) 2145 *cp++ = 0xff; 2146 if (len) 2147 *cp = 0xff << (8 - len); 2148 } 2149 2150 int 2151 prefix(void *val, int size) 2152 { 2153 u_char *pname = (u_char *)val; 2154 int byte, bit, plen = 0; 2155 2156 for (byte = 0; byte < size; byte++, plen += 8) 2157 if (pname[byte] != 0xff) 2158 break; 2159 if (byte == size) 2160 return (plen); 2161 for (bit = 7; bit != 0; bit--, plen++) 2162 if (!(pname[byte] & (1 << bit))) 2163 break; 2164 for (; bit != 0; bit--) 2165 if (pname[byte] & (1 << bit)) 2166 return(0); 2167 byte++; 2168 for (; byte < size; byte++) 2169 if (pname[byte]) 2170 return(0); 2171 return (plen); 2172 } 2173 #endif /*INET6*/ 2174 2175 #ifndef INET_ONLY 2176 void 2177 at_getaddr(const char *addr, int which) 2178 { 2179 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 2180 u_int net, node; 2181 2182 sat->sat_family = AF_APPLETALK; 2183 sat->sat_len = sizeof(*sat); 2184 if (which == MASK) 2185 errx(EXIT_FAILURE, "AppleTalk does not use netmasks"); 2186 if (sscanf(addr, "%u.%u", &net, &node) != 2 2187 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 2188 errx(EXIT_FAILURE, "%s: illegal address", addr); 2189 sat->sat_addr.s_net = htons(net); 2190 sat->sat_addr.s_node = node; 2191 } 2192 2193 void 2194 setatrange(const char *range, int d) 2195 { 2196 u_short first = 123, last = 123; 2197 2198 if (sscanf(range, "%hu-%hu", &first, &last) != 2 2199 || first == 0 /* || first > 0xffff */ 2200 || last == 0 /* || last > 0xffff */ || first > last) 2201 errx(EXIT_FAILURE, "%s: illegal net range: %u-%u", range, 2202 first, last); 2203 at_nr.nr_firstnet = htons(first); 2204 at_nr.nr_lastnet = htons(last); 2205 } 2206 2207 void 2208 setatphase(const char *phase, int d) 2209 { 2210 if (!strcmp(phase, "1")) 2211 at_nr.nr_phase = 1; 2212 else if (!strcmp(phase, "2")) 2213 at_nr.nr_phase = 2; 2214 else 2215 errx(EXIT_FAILURE, "%s: illegal phase", phase); 2216 } 2217 2218 void 2219 checkatrange(struct sockaddr_at *sat) 2220 { 2221 if (at_nr.nr_phase == 0) 2222 at_nr.nr_phase = 2; /* Default phase 2 */ 2223 if (at_nr.nr_firstnet == 0) 2224 at_nr.nr_firstnet = /* Default range of one */ 2225 at_nr.nr_lastnet = sat->sat_addr.s_net; 2226 printf("\tatalk %d.%d range %d-%d phase %d\n", 2227 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2228 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 2229 if ((u_short) ntohs(at_nr.nr_firstnet) > 2230 (u_short) ntohs(sat->sat_addr.s_net) 2231 || (u_short) ntohs(at_nr.nr_lastnet) < 2232 (u_short) ntohs(sat->sat_addr.s_net)) 2233 errx(EXIT_FAILURE, "AppleTalk address is not in range"); 2234 *((struct netrange *) &sat->sat_zero) = at_nr; 2235 } 2236 2237 #define SNS(x) ((struct sockaddr_ns *) &(x)) 2238 struct sockaddr_ns *snstab[] = { 2239 SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 2240 SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 2241 2242 void 2243 xns_getaddr(const char *addr, int which) 2244 { 2245 struct sockaddr_ns *sns = snstab[which]; 2246 2247 sns->sns_family = AF_NS; 2248 sns->sns_len = sizeof(*sns); 2249 sns->sns_addr = ns_addr(addr); 2250 if (which == MASK) 2251 puts("Attempt to set XNS netmask will be ineffectual"); 2252 } 2253 2254 #define SISO(x) ((struct sockaddr_iso *) &(x)) 2255 struct sockaddr_iso *sisotab[] = { 2256 SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 2257 SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 2258 2259 void 2260 iso_getaddr(const char *addr, int which) 2261 { 2262 struct sockaddr_iso *siso = sisotab[which]; 2263 siso->siso_addr = *iso_addr(addr); 2264 2265 if (which == MASK) { 2266 siso->siso_len = TSEL(siso) - (char *)(siso); 2267 siso->siso_nlen = 0; 2268 } else { 2269 siso->siso_len = sizeof(*siso); 2270 siso->siso_family = AF_ISO; 2271 } 2272 } 2273 2274 void 2275 setsnpaoffset(const char *val, int d) 2276 { 2277 iso_addreq.ifra_snpaoffset = atoi(val); 2278 } 2279 2280 void 2281 setnsellength(const char *val, int d) 2282 { 2283 nsellength = atoi(val); 2284 if (nsellength < 0) 2285 errx(EXIT_FAILURE, "Negative NSEL length is absurd"); 2286 if (afp == 0 || afp->af_af != AF_ISO) 2287 errx(EXIT_FAILURE, "Setting NSEL length valid only for iso"); 2288 } 2289 2290 void 2291 fixnsel(struct sockaddr_iso *siso) 2292 { 2293 if (siso->siso_family == 0) 2294 return; 2295 siso->siso_tlen = nsellength; 2296 } 2297 2298 void 2299 adjust_nsellength(void) 2300 { 2301 fixnsel(sisotab[RIDADDR]); 2302 fixnsel(sisotab[ADDR]); 2303 fixnsel(sisotab[DSTADDR]); 2304 } 2305 2306 #endif /* INET_ONLY */ 2307 2308 void 2309 usage(void) 2310 { 2311 const char *progname = getprogname(); 2312 2313 fprintf(stderr, 2314 "usage: %s [-m] [-v] [-z] " 2315 #ifdef INET6 2316 "[-L] " 2317 #endif 2318 "interface\n" 2319 "\t[ af [ address [ dest_addr ] ] [ netmask mask ] [ prefixlen n ]\n" 2320 "\t\t[ alias | -alias ] ]\n" 2321 "\t[ up ] [ down ] [ metric n ] [ mtu n ]\n" 2322 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n" 2323 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n" 2324 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n" 2325 "\t[ arp | -arp ]\n" 2326 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] " 2327 "[ instance minst ]\n" 2328 "\t[ vlan n vlanif i ]\n" 2329 "\t[ agrport i ] [ -agrport i ]\n" 2330 "\t[ anycast | -anycast ] [ deprecated | -deprecated ]\n" 2331 "\t[ tentative | -tentative ] [ pltime n ] [ vltime n ] [ eui64 ]\n" 2332 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" 2333 " %s -a [-b] [-m] [-d] [-u] [-v] [-z] [ af ]\n" 2334 " %s -l [-b] [-d] [-u] [-s]\n" 2335 " %s -C\n" 2336 " %s interface create\n" 2337 " %s interface destroy\n", 2338 progname, progname, progname, progname, progname, progname); 2339 exit(1); 2340 } 2341 2342 #ifdef INET6 2343 char * 2344 sec2str(total) 2345 time_t total; 2346 { 2347 static char result[256]; 2348 int days, hours, mins, secs; 2349 int first = 1; 2350 char *p = result; 2351 char *end = &result[sizeof(result)]; 2352 int n; 2353 2354 if (0) { /*XXX*/ 2355 days = total / 3600 / 24; 2356 hours = (total / 3600) % 24; 2357 mins = (total / 60) % 60; 2358 secs = total % 60; 2359 2360 if (days) { 2361 first = 0; 2362 n = snprintf(p, end - p, "%dd", days); 2363 if (n < 0 || n >= end - p) 2364 return(result); 2365 p += n; 2366 } 2367 if (!first || hours) { 2368 first = 0; 2369 n = snprintf(p, end - p, "%dh", hours); 2370 if (n < 0 || n >= end - p) 2371 return(result); 2372 p += n; 2373 } 2374 if (!first || mins) { 2375 first = 0; 2376 n = snprintf(p, end - p, "%dm", mins); 2377 if (n < 0 || n >= end - p) 2378 return(result); 2379 p += n; 2380 } 2381 snprintf(p, end - p, "%ds", secs); 2382 } else 2383 snprintf(p, end - p, "%lu", (u_long)total); 2384 2385 return(result); 2386 } 2387 #endif 2388
Indexes created Mon Sep 29 21:09:56 GMT 2025