ifconfig.c revision 1.91
1 /* $NetBSD: ifconfig.c,v 1.91 2000/11/07 14:47:59 itojun 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. All advertising materials mentioning features or use of this software 53 * must display the following acknowledgement: 54 * This product includes software developed by the University of 55 * California, Berkeley and its contributors. 56 * 4. Neither the name of the University nor the names of its contributors 57 * may be used to endorse or promote products derived from this software 58 * without specific prior written permission. 59 * 60 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 61 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 62 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 63 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 64 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 65 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 66 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 67 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 68 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 69 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 70 * SUCH DAMAGE. 71 */ 72 73 #include <sys/cdefs.h> 74 #ifndef lint 75 __COPYRIGHT("@(#) Copyright (c) 1983, 1993\n\ 76 The Regents of the University of California. All rights reserved.\n"); 77 #endif /* not lint */ 78 79 #ifndef lint 80 #if 0 81 static char sccsid[] = "@(#)ifconfig.c 8.2 (Berkeley) 2/16/94"; 82 #else 83 __RCSID("$NetBSD: ifconfig.c,v 1.91 2000/11/07 14:47:59 itojun Exp $"); 84 #endif 85 #endif /* not lint */ 86 87 #include <sys/param.h> 88 #include <sys/socket.h> 89 #include <sys/ioctl.h> 90 91 #include <net/if.h> 92 #include <net/if_dl.h> 93 #include <net/if_media.h> 94 #include <net/if_ether.h> 95 #include <net/if_ieee80211.h> 96 #include <net/if_vlanvar.h> 97 #include <netinet/in.h> 98 #include <netinet/in_var.h> 99 #ifdef INET6 100 #include <netinet6/nd6.h> 101 #endif 102 #include <arpa/inet.h> 103 104 #include <netatalk/at.h> 105 106 #define NSIP 107 #include <netns/ns.h> 108 #include <netns/ns_if.h> 109 #include <netdb.h> 110 111 #define EON 112 #include <netiso/iso.h> 113 #include <netiso/iso_var.h> 114 #include <sys/protosw.h> 115 116 #include <ctype.h> 117 #include <err.h> 118 #include <errno.h> 119 #include <stddef.h> 120 #include <stdio.h> 121 #include <stdlib.h> 122 #include <string.h> 123 #include <unistd.h> 124 #ifdef HAVE_IFADDRS_H 125 #include <ifaddrs.h> 126 #endif 127 128 struct ifreq ifr, ridreq; 129 struct ifaliasreq addreq __attribute__((aligned(4))); 130 #ifdef INET6 131 struct in6_ifreq ifr6; 132 struct in6_ifreq in6_ridreq; 133 struct in6_aliasreq in6_addreq __attribute__((aligned(4))); 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 int flags, metric, mtu, setaddr, setipdst, doalias; 142 int clearaddr, s; 143 int newaddr = -1; 144 int nsellength = 1; 145 int af; 146 int Aflag, aflag, bflag, Cflag, dflag, lflag, mflag, sflag, uflag; 147 #ifdef INET6 148 int Lflag; 149 #endif 150 int reset_if_flags; 151 int explicit_prefix = 0; 152 u_int vlan_tag = (u_int)-1; 153 154 void notealias __P((const char *, int)); 155 void notrailers __P((const char *, int)); 156 void setifaddr __P((const char *, int)); 157 void setifdstaddr __P((const char *, int)); 158 void setifflags __P((const char *, int)); 159 void setifbroadaddr __P((const char *, int)); 160 void setifipdst __P((const char *, int)); 161 void setifmetric __P((const char *, int)); 162 void setifmtu __P((const char *, int)); 163 void setifnwid __P((const char *, int)); 164 void setifnwkey __P((const char *, int)); 165 void setifnetmask __P((const char *, int)); 166 void setifprefixlen __P((const char *, int)); 167 void setnsellength __P((const char *, int)); 168 void setsnpaoffset __P((const char *, int)); 169 void setatrange __P((const char *, int)); 170 void setatphase __P((const char *, int)); 171 void settunnel __P((const char *, const char *)); 172 void deletetunnel __P((const char *, int)); 173 #ifdef INET6 174 void setia6flags __P((const char *, int)); 175 void setia6pltime __P((const char *, int)); 176 void setia6vltime __P((const char *, int)); 177 void setia6lifetime __P((const char *, const char *)); 178 #endif 179 void checkatrange __P ((struct sockaddr_at *)); 180 void setmedia __P((const char *, int)); 181 void setmediaopt __P((const char *, int)); 182 void unsetmediaopt __P((const char *, int)); 183 void setmediainst __P((const char *, int)); 184 void clone_create __P((const char *, int)); 185 void clone_destroy __P((const char *, int)); 186 void fixnsel __P((struct sockaddr_iso *)); 187 void setvlan __P((const char *, int)); 188 void setvlanif __P((const char *, int)); 189 void unsetvlanif __P((const char *, int)); 190 int main __P((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 */ 210 211 #define NEXTARG 0xffffff 212 #define NEXTARG2 0xfffffe 213 214 const struct cmd { 215 const char *c_name; 216 int c_parameter; /* NEXTARG means next argv */ 217 int c_action; /* defered action */ 218 void (*c_func) __P((const char *, int)); 219 void (*c_func2) __P((const char *, const char *)); 220 } cmds[] = { 221 { "up", IFF_UP, 0, setifflags } , 222 { "down", -IFF_UP, 0, setifflags }, 223 { "trailers", -1, 0, notrailers }, 224 { "-trailers", 1, 0, notrailers }, 225 { "arp", -IFF_NOARP, 0, setifflags }, 226 { "-arp", IFF_NOARP, 0, setifflags }, 227 { "debug", IFF_DEBUG, 0, setifflags }, 228 { "-debug", -IFF_DEBUG, 0, setifflags }, 229 { "alias", IFF_UP, 0, notealias }, 230 { "-alias", -IFF_UP, 0, notealias }, 231 { "delete", -IFF_UP, 0, notealias }, 232 #ifdef notdef 233 #define EN_SWABIPS 0x1000 234 { "swabips", EN_SWABIPS, 0, setifflags }, 235 { "-swabips", -EN_SWABIPS, 0, setifflags }, 236 #endif 237 { "netmask", NEXTARG, 0, setifnetmask }, 238 { "metric", NEXTARG, 0, setifmetric }, 239 { "mtu", NEXTARG, 0, setifmtu }, 240 { "nwid", NEXTARG, 0, setifnwid }, 241 { "nwkey", NEXTARG, 0, setifnwkey }, 242 { "-nwkey", -1, 0, setifnwkey }, 243 { "broadcast", NEXTARG, 0, setifbroadaddr }, 244 { "ipdst", NEXTARG, 0, setifipdst }, 245 { "prefixlen", NEXTARG, 0, setifprefixlen}, 246 #ifdef INET6 247 { "anycast", IN6_IFF_ANYCAST, 0, setia6flags }, 248 { "-anycast", -IN6_IFF_ANYCAST, 0, setia6flags }, 249 { "tentative", IN6_IFF_TENTATIVE, 0, setia6flags }, 250 { "-tentative", -IN6_IFF_TENTATIVE, 0, setia6flags }, 251 { "pltime", NEXTARG, 0, setia6pltime }, 252 { "vltime", NEXTARG, 0, setia6vltime }, 253 #endif /*INET6*/ 254 #ifndef INET_ONLY 255 { "range", NEXTARG, 0, setatrange }, 256 { "phase", NEXTARG, 0, setatphase }, 257 { "snpaoffset", NEXTARG, 0, setsnpaoffset }, 258 { "nsellength", NEXTARG, 0, setnsellength }, 259 #endif /* INET_ONLY */ 260 { "tunnel", NEXTARG2, 0, NULL, 261 settunnel } , 262 { "deletetunnel", 0, 0, deletetunnel }, 263 { "vlan", NEXTARG, 0, setvlan } , 264 { "vlanif", NEXTARG, 0, setvlanif } , 265 { "-vlanif", 0, 0, unsetvlanif } , 266 { "deletetunnel", 0, 0, deletetunnel }, 267 #if 0 268 /* XXX `create' special-cased below */ 269 { "create", 0, 0, clone_create } , 270 #endif 271 { "destroy", 0, 0, clone_destroy } , 272 { "link0", IFF_LINK0, 0, setifflags } , 273 { "-link0", -IFF_LINK0, 0, setifflags } , 274 { "link1", IFF_LINK1, 0, setifflags } , 275 { "-link1", -IFF_LINK1, 0, setifflags } , 276 { "link2", IFF_LINK2, 0, setifflags } , 277 { "-link2", -IFF_LINK2, 0, setifflags } , 278 { "media", NEXTARG, A_MEDIA, setmedia }, 279 { "mediaopt", NEXTARG, A_MEDIAOPTSET, setmediaopt }, 280 { "-mediaopt", NEXTARG, A_MEDIAOPTCLR, unsetmediaopt }, 281 { "instance", NEXTARG, A_MEDIAINST, setmediainst }, 282 { "inst", NEXTARG, A_MEDIAINST, setmediainst }, 283 { 0, 0, 0, setifaddr }, 284 { 0, 0, 0, setifdstaddr }, 285 }; 286 287 void adjust_nsellength __P((void)); 288 int getinfo __P((struct ifreq *)); 289 int carrier __P((void)); 290 void getsock __P((int)); 291 void printall __P((void)); 292 void list_cloners __P((void)); 293 void printb __P((const char *, unsigned short, const char *)); 294 int prefix __P((void *, int)); 295 void status __P((const u_int8_t *, int)); 296 void usage __P((void)); 297 const char *get_string __P((const char *, const char *, u_int8_t *, int *)); 298 void print_string __P((const u_int8_t *, int)); 299 char *sec2str __P((time_t)); 300 301 const char *get_media_type_string __P((int)); 302 const char *get_media_subtype_string __P((int)); 303 int get_media_subtype __P((int, const char *)); 304 int get_media_options __P((int, const char *)); 305 int lookup_media_word __P((struct ifmedia_description *, int, 306 const char *)); 307 void print_media_word __P((int, int, int)); 308 void process_media_commands __P((void)); 309 void init_current_media __P((void)); 310 311 /* 312 * XNS support liberally adapted from code written at the University of 313 * Maryland principally by James O'Toole and Chris Torek. 314 */ 315 void in_alias __P((struct ifreq *)); 316 void in_status __P((int)); 317 void in_getaddr __P((const char *, int)); 318 #ifdef INET6 319 void in6_fillscopeid __P((struct sockaddr_in6 *sin6)); 320 void in6_alias __P((struct in6_ifreq *)); 321 void in6_status __P((int)); 322 void in6_getaddr __P((const char *, int)); 323 void in6_getprefix __P((const char *, int)); 324 #endif 325 void at_status __P((int)); 326 void at_getaddr __P((const char *, int)); 327 void xns_status __P((int)); 328 void xns_getaddr __P((const char *, int)); 329 void iso_status __P((int)); 330 void iso_getaddr __P((const char *, int)); 331 332 void ieee80211_status __P((void)); 333 void tunnel_status __P((void)); 334 void vlan_status __P((void)); 335 336 /* Known address families */ 337 struct afswtch { 338 const char *af_name; 339 short af_af; 340 void (*af_status) __P((int)); 341 void (*af_getaddr) __P((const char *, int)); 342 void (*af_getprefix) __P((const char *, int)); 343 u_long af_difaddr; 344 u_long af_aifaddr; 345 u_long af_gifaddr; 346 caddr_t af_ridreq; 347 caddr_t af_addreq; 348 } afs[] = { 349 #define C(x) ((caddr_t) &x) 350 { "inet", AF_INET, in_status, in_getaddr, NULL, 351 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(addreq) }, 352 #ifdef INET6 353 { "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix, 354 SIOCDIFADDR_IN6, SIOCAIFADDR_IN6, 355 /* 356 * Deleting the first address before setting new one is 357 * not prefered way in this protocol. 358 */ 359 0, 360 C(in6_ridreq), C(in6_addreq) }, 361 #endif 362 #ifndef INET_ONLY /* small version, for boot media */ 363 { "atalk", AF_APPLETALK, at_status, at_getaddr, NULL, 364 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(addreq), C(addreq) }, 365 { "ns", AF_NS, xns_status, xns_getaddr, NULL, 366 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(addreq) }, 367 { "iso", AF_ISO, iso_status, iso_getaddr, NULL, 368 SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, SIOCGIFADDR_ISO, 369 C(iso_ridreq), C(iso_addreq) }, 370 #endif /* INET_ONLY */ 371 { 0, 0, 0, 0 } 372 }; 373 374 struct afswtch *afp; /*the address family being set or asked about*/ 375 376 struct afswtch *lookup_af __P((const char *)); 377 378 int 379 main(argc, argv) 380 int argc; 381 char *argv[]; 382 { 383 struct ifreq ifreq; 384 int ch; 385 386 /* Parse command-line options */ 387 aflag = mflag = 0; 388 while ((ch = getopt(argc, argv, "AabCdlmsu" 389 #ifdef INET6 390 "L" 391 #endif 392 )) != -1) { 393 switch (ch) { 394 case 'A': 395 Aflag = 1; 396 break; 397 398 case 'a': 399 aflag = 1; 400 break; 401 402 case 'b': 403 bflag = 1; 404 break; 405 406 407 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; 436 437 438 default: 439 usage(); 440 /* NOTREACHED */ 441 } 442 } 443 argc -= optind; 444 argv += optind; 445 446 /* 447 * -l means "list all interfaces", and is mutally exclusive with 448 * all other flags/commands. 449 * 450 * -C means "list all names of cloners", and it mutually exclusive 451 * with all other flags/commands. 452 * 453 * -a means "print status of all interfaces". 454 */ 455 if ((lflag || Cflag) && (aflag || mflag || Aflag || argc)) 456 usage(); 457 #ifdef INET6 458 if ((lflag || Cflag) && Lflag) 459 usage(); 460 #endif 461 if (lflag && Cflag) 462 usage(); 463 if (Cflag) { 464 if (argc) 465 usage(); 466 list_cloners(); 467 exit(0); 468 } 469 if (aflag || lflag) { 470 if (argc > 1) 471 usage(); 472 else if (argc == 1) { 473 afp = lookup_af(argv[0]); 474 if (afp == NULL) 475 usage(); 476 } 477 if (afp) 478 af = ifr.ifr_addr.sa_family = afp->af_af; 479 else 480 af = ifr.ifr_addr.sa_family = afs[0].af_af; 481 printall(); 482 exit(0); 483 } 484 485 /* Make sure there's an interface name. */ 486 if (argc < 1) 487 usage(); 488 (void) strncpy(name, argv[0], sizeof(name)); 489 argc--; argv++; 490 491 /* 492 * NOTE: We must special-case the `create' command right 493 * here as we would otherwise fail in getinfo(). 494 */ 495 if (argc > 0 && strcmp(argv[0], "create") == 0) { 496 clone_create(argv[0], 0); 497 argc--, argv++; 498 if (argc == 0) 499 exit(0); 500 } 501 502 /* Check for address family. */ 503 afp = NULL; 504 if (argc > 0) { 505 afp = lookup_af(argv[0]); 506 if (afp != NULL) { 507 argv++; 508 argc--; 509 } 510 } 511 512 /* Initialize af, just for use in getinfo(). */ 513 if (afp == NULL) 514 af = afs->af_af; 515 else 516 af = afp->af_af; 517 518 /* Get information about the interface. */ 519 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 520 if (getinfo(&ifr) < 0) 521 exit(1); 522 523 if (sflag) { 524 if (argc != 0) 525 usage(); 526 else 527 exit(carrier()); 528 } 529 530 /* No more arguments means interface status. */ 531 if (argc == 0) { 532 status(NULL, 0); 533 exit(0); 534 } 535 536 /* The following operations assume inet family as the default. */ 537 if (afp == NULL) 538 afp = afs; 539 af = ifr.ifr_addr.sa_family = afp->af_af; 540 541 #ifdef INET6 542 /* initialization */ 543 in6_addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; 544 in6_addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; 545 #endif 546 547 /* Process commands. */ 548 while (argc > 0) { 549 const struct cmd *p; 550 551 for (p = cmds; p->c_name; p++) 552 if (strcmp(argv[0], p->c_name) == 0) 553 break; 554 if (p->c_name == 0 && setaddr) { 555 if ((flags & IFF_POINTOPOINT) == 0) { 556 errx(1, "can't set destination address %s", 557 "on non-point-to-point link"); 558 } 559 p++; /* got src, do dst */ 560 } 561 if (p->c_func != NULL || p->c_func2 != NULL) { 562 if (p->c_parameter == NEXTARG) { 563 if (argc < 2) 564 errx(1, "'%s' requires argument", 565 p->c_name); 566 (*p->c_func)(argv[1], 0); 567 argc--, argv++; 568 } else if (p->c_parameter == NEXTARG2) { 569 if (argc < 3) 570 errx(1, "'%s' requires 2 arguments", 571 p->c_name); 572 (*p->c_func2)(argv[1], argv[2]); 573 argc -= 2, argv += 2; 574 } else 575 (*p->c_func)(argv[0], p->c_parameter); 576 actions |= p->c_action; 577 } 578 argc--, argv++; 579 } 580 581 /* Process any media commands that may have been issued. */ 582 process_media_commands(); 583 584 if (af == AF_INET6 && explicit_prefix == 0) { 585 /* 586 * Aggregatable address architecture defines all prefixes 587 * are 64. So, it is convenient to set prefixlen to 64 if 588 * it is not specified. 589 */ 590 setifprefixlen("64", 0); 591 /* in6_getprefix("64", MASK) if MASK is available here... */ 592 } 593 594 #ifndef INET_ONLY 595 if (af == AF_ISO) 596 adjust_nsellength(); 597 598 if (af == AF_APPLETALK) 599 checkatrange((struct sockaddr_at *) &addreq.ifra_addr); 600 601 if (setipdst && af==AF_NS) { 602 struct nsip_req rq; 603 int size = sizeof(rq); 604 605 rq.rq_ns = addreq.ifra_addr; 606 rq.rq_ip = addreq.ifra_dstaddr; 607 608 if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0) 609 warn("encapsulation routing"); 610 } 611 612 #endif /* INET_ONLY */ 613 614 if (clearaddr) { 615 (void) strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name); 616 if (ioctl(s, afp->af_difaddr, afp->af_ridreq) < 0) 617 err(1, "SIOCDIFADDR"); 618 } 619 if (newaddr > 0) { 620 (void) strncpy(afp->af_addreq, name, sizeof ifr.ifr_name); 621 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) < 0) 622 warn("SIOCAIFADDR"); 623 } 624 625 if (reset_if_flags) { 626 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 627 ifreq.ifr_flags = flags; 628 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) < 0) 629 err(1, "SIOCSIFFLAGS"); 630 } 631 exit(0); 632 } 633 634 struct afswtch * 635 lookup_af(cp) 636 const char *cp; 637 { 638 struct afswtch *a; 639 640 for (a = afs; a->af_name != NULL; a++) 641 if (strcmp(a->af_name, cp) == 0) 642 return (a); 643 return (NULL); 644 } 645 646 void 647 getsock(naf) 648 int naf; 649 { 650 static int oaf = -1; 651 652 if (oaf == naf) 653 return; 654 if (oaf != -1) 655 close(s); 656 s = socket(naf, SOCK_DGRAM, 0); 657 if (s < 0) 658 oaf = -1; 659 else 660 oaf = naf; 661 } 662 663 int 664 getinfo(ifr) 665 struct ifreq *ifr; 666 { 667 668 getsock(af); 669 if (s < 0) 670 err(1, "socket"); 671 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)ifr) < 0) { 672 warn("SIOCGIFFLAGS %s", ifr->ifr_name); 673 return (-1); 674 } 675 flags = ifr->ifr_flags; 676 if (ioctl(s, SIOCGIFMETRIC, (caddr_t)ifr) < 0) { 677 warn("SIOCGIFMETRIC %s", ifr->ifr_name); 678 metric = 0; 679 } else 680 metric = ifr->ifr_metric; 681 if (ioctl(s, SIOCGIFMTU, (caddr_t)ifr) < 0) 682 mtu = 0; 683 else 684 mtu = ifr->ifr_mtu; 685 return (0); 686 } 687 688 void 689 printall() 690 { 691 #ifdef HAVE_IFADDRS_H 692 struct ifaddrs *ifap, *ifa; 693 struct ifreq ifr; 694 const struct sockaddr_dl *sdl; 695 int idx; 696 char *p; 697 698 if (getifaddrs(&ifap) != 0) 699 err(1, "getifaddrs"); 700 p = NULL; 701 idx = 0; 702 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 703 memset(&ifr, 0, sizeof(ifr)); 704 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 705 if (sizeof(ifr.ifr_addr) >= ifa->ifa_addr->sa_len) { 706 memcpy(&ifr.ifr_addr, ifa->ifa_addr, 707 ifa->ifa_addr->sa_len); 708 } 709 710 if (ifa->ifa_addr->sa_family == AF_LINK) 711 sdl = (const struct sockaddr_dl *) ifa->ifa_addr; 712 if (p && strcmp(p, ifa->ifa_name) == 0) 713 continue; 714 (void) strncpy(name, ifa->ifa_name, sizeof(name)); 715 name[sizeof(name) - 1] = '\0'; 716 p = ifa->ifa_name; 717 718 if (getinfo(&ifr) < 0) 719 continue; 720 if (bflag && (ifa->ifa_flags & (IFF_POINTOPOINT|IFF_LOOPBACK))) 721 continue; 722 if (dflag && (ifa->ifa_flags & IFF_UP) != 0) 723 continue; 724 if (uflag && (ifa->ifa_flags & IFF_UP) == 0) 725 continue; 726 727 if (sflag && carrier()) 728 continue; 729 idx++; 730 /* 731 * Are we just listing the interfaces? 732 */ 733 if (lflag) { 734 if (idx > 1) 735 putchar(' '); 736 fputs(name, stdout); 737 continue; 738 } 739 740 if (sdl == NULL) { 741 status(NULL, 0); 742 } else { 743 status(LLADDR(sdl), sdl->sdl_alen); 744 sdl = NULL; 745 } 746 } 747 if (lflag) 748 putchar('\n'); 749 freeifaddrs(ifap); 750 #else 751 char inbuf[8192]; 752 const struct sockaddr_dl *sdl = NULL; 753 struct ifconf ifc; 754 struct ifreq ifreq, *ifr; 755 int i, siz, idx; 756 char ifrbuf[8192], *cp; 757 758 ifc.ifc_len = sizeof(inbuf); 759 ifc.ifc_buf = inbuf; 760 getsock(af); 761 if (s < 0) 762 err(1, "socket"); 763 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 764 err(1, "SIOCGIFCONF"); 765 ifreq.ifr_name[0] = '\0'; 766 for (i = 0, idx = 0; i < ifc.ifc_len; ) { 767 /* Copy the mininum ifreq into the buffer. */ 768 cp = ((caddr_t)ifc.ifc_req + i); 769 memcpy(ifrbuf, cp, sizeof(*ifr)); 770 771 /* Now compute the actual size of the ifreq. */ 772 ifr = (struct ifreq *)ifrbuf; 773 siz = ifr->ifr_addr.sa_len; 774 if (siz < sizeof(ifr->ifr_addr)) 775 siz = sizeof(ifr->ifr_addr); 776 siz += sizeof(ifr->ifr_name); 777 i += siz; 778 779 /* Now copy the whole thing. */ 780 if (sizeof(ifrbuf) < siz) 781 errx(1, "ifr too big"); 782 memcpy(ifrbuf, cp, siz); 783 784 if (ifr->ifr_addr.sa_family == AF_LINK) 785 sdl = (const struct sockaddr_dl *) &ifr->ifr_addr; 786 if (!strncmp(ifreq.ifr_name, ifr->ifr_name, 787 sizeof(ifr->ifr_name))) 788 continue; 789 (void) strncpy(name, ifr->ifr_name, sizeof(ifr->ifr_name)); 790 ifreq = *ifr; 791 792 if (getinfo(&ifreq) < 0) 793 continue; 794 if (bflag && (flags & (IFF_POINTOPOINT|IFF_LOOPBACK))) 795 continue; 796 if (dflag && (flags & IFF_UP) != 0) 797 continue; 798 if (uflag && (flags & IFF_UP) == 0) 799 continue; 800 801 if (sflag && carrier()) 802 continue; 803 idx++; 804 /* 805 * Are we just listing the interfaces? 806 */ 807 if (lflag) { 808 if (idx > 1) 809 putchar(' '); 810 fputs(name, stdout); 811 continue; 812 } 813 814 if (sdl == NULL) { 815 status(NULL, 0); 816 } else { 817 status(LLADDR(sdl), sdl->sdl_alen); 818 sdl = NULL; 819 } 820 } 821 if (lflag) 822 putchar('\n'); 823 #endif 824 } 825 826 void 827 list_cloners(void) 828 { 829 struct if_clonereq ifcr; 830 char *cp, *buf; 831 int idx; 832 833 memset(&ifcr, 0, sizeof(ifcr)); 834 835 getsock(AF_INET); 836 837 if (ioctl(s, SIOCIFGCLONERS, &ifcr) < 0) 838 err(1, "SIOCIFGCLONERS for count"); 839 840 buf = malloc(ifcr.ifcr_total * IFNAMSIZ); 841 if (buf == NULL) 842 err(1, "unable to allocate cloner name buffer"); 843 844 ifcr.ifcr_count = ifcr.ifcr_total; 845 ifcr.ifcr_buffer = buf; 846 847 if (ioctl(s, SIOCIFGCLONERS, &ifcr) < 0) 848 err(1, "SIOCIFGCLONERS for names"); 849 850 /* 851 * In case some disappeared in the mean time, clamp it down. 852 */ 853 if (ifcr.ifcr_count > ifcr.ifcr_total) 854 ifcr.ifcr_count = ifcr.ifcr_total; 855 856 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) { 857 if (idx > 0) 858 putchar(' '); 859 printf("%s", cp); 860 } 861 862 putchar('\n'); 863 free(buf); 864 return; 865 } 866 867 /*ARGSUSED*/ 868 void 869 clone_create(addr, param) 870 const char *addr; 871 int param; 872 { 873 874 /* We're called early... */ 875 getsock(AF_INET); 876 877 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 878 if (ioctl(s, SIOCIFCREATE, &ifr) < 0) 879 err(1, "SIOCIFCREATE"); 880 } 881 882 /*ARGSUSED*/ 883 void 884 clone_destroy(addr, param) 885 const char *addr; 886 int param; 887 { 888 889 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 890 if (ioctl(s, SIOCIFDESTROY, &ifr) < 0) 891 err(1, "SIOCIFDESTROY"); 892 } 893 894 #define RIDADDR 0 895 #define ADDR 1 896 #define MASK 2 897 #define DSTADDR 3 898 899 /*ARGSUSED*/ 900 void 901 setifaddr(addr, param) 902 const char *addr; 903 int param; 904 { 905 struct ifreq *ifr; /* XXX */ 906 907 /* 908 * Delay the ioctl to set the interface addr until flags are all set. 909 * The address interpretation may depend on the flags, 910 * and the flags may change when the address is set. 911 */ 912 setaddr++; 913 if (newaddr == -1) 914 newaddr = 1; 915 if (doalias == 0 && afp->af_gifaddr != 0) { 916 ifr = (struct ifreq *)afp->af_ridreq; 917 (void) strncpy(ifr->ifr_name, name, sizeof(ifr->ifr_name)); 918 ifr->ifr_addr.sa_family = afp->af_af; 919 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0) 920 clearaddr = 1; 921 else if (errno == EADDRNOTAVAIL) 922 /* No address was assigned yet. */ 923 ; 924 else 925 err(1, "SIOCGIFADDR"); 926 } 927 928 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 929 } 930 931 void 932 settunnel(src, dst) 933 const char *src, *dst; 934 { 935 struct addrinfo hints, *srcres, *dstres; 936 struct ifaliasreq addreq; 937 int ecode; 938 #ifdef INET6 939 struct in6_aliasreq in6_addreq; 940 #endif 941 942 memset(&hints, 0, sizeof(hints)); 943 hints.ai_family = afp->af_af; 944 945 if ((ecode = getaddrinfo(src, NULL, NULL, &srcres)) != 0) 946 errx(1, "error in parsing address string: %s", 947 gai_strerror(ecode)); 948 949 if ((ecode = getaddrinfo(dst, NULL, NULL, &dstres)) != 0) 950 errx(1, "error in parsing address string: %s", 951 gai_strerror(ecode)); 952 953 if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family) 954 errx(1, 955 "source and destination address families do not match"); 956 957 switch (srcres->ai_addr->sa_family) { 958 case AF_INET: 959 memset(&addreq, 0, sizeof(addreq)); 960 strncpy(addreq.ifra_name, name, IFNAMSIZ); 961 memcpy(&addreq.ifra_addr, srcres->ai_addr, 962 srcres->ai_addr->sa_len); 963 memcpy(&addreq.ifra_dstaddr, dstres->ai_addr, 964 dstres->ai_addr->sa_len); 965 966 if (ioctl(s, SIOCSIFPHYADDR, &addreq) < 0) 967 warn("SIOCSIFPHYADDR"); 968 break; 969 970 #ifdef INET6 971 case AF_INET6: 972 memset(&in6_addreq, 0, sizeof(in6_addreq)); 973 strncpy(in6_addreq.ifra_name, name, IFNAMSIZ); 974 memcpy(&in6_addreq.ifra_addr, srcres->ai_addr, 975 srcres->ai_addr->sa_len); 976 memcpy(&in6_addreq.ifra_dstaddr, dstres->ai_addr, 977 dstres->ai_addr->sa_len); 978 979 if (ioctl(s, SIOCSIFPHYADDR_IN6, &in6_addreq) < 0) 980 warn("SIOCSIFPHYADDR_IN6"); 981 break; 982 #endif /* INET6 */ 983 984 default: 985 warn("address family not supported"); 986 } 987 988 freeaddrinfo(srcres); 989 freeaddrinfo(dstres); 990 } 991 992 /* ARGSUSED */ 993 void 994 deletetunnel(vname, param) 995 const char *vname; 996 int param; 997 { 998 999 if (ioctl(s, SIOCDIFPHYADDR, &ifr) < 0) 1000 err(1, "SIOCDIFPHYADDR"); 1001 } 1002 1003 void setvlan(val, d) 1004 const char *val; 1005 int d; 1006 { 1007 struct vlanreq vlr; 1008 1009 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1010 !isdigit(ifr.ifr_name[4])) 1011 errx(EXIT_FAILURE, 1012 "``vlan'' valid only with vlan(4) interfaces"); 1013 1014 vlan_tag = atoi(val); 1015 1016 memset(&vlr, 0, sizeof(vlr)); 1017 ifr.ifr_data = (caddr_t)&vlr; 1018 1019 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1020 err(EXIT_FAILURE, "SIOCGETVLAN"); 1021 1022 vlr.vlr_tag = vlan_tag; 1023 1024 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1025 err(EXIT_FAILURE, "SIOCSETVLAN"); 1026 } 1027 1028 void setvlanif(val, d) 1029 const char *val; 1030 int d; 1031 { 1032 struct vlanreq vlr; 1033 1034 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1035 !isdigit(ifr.ifr_name[4])) 1036 errx(EXIT_FAILURE, 1037 "``vlanif'' valid only with vlan(4) interfaces"); 1038 1039 if (vlan_tag == (u_int)-1) 1040 errx(EXIT_FAILURE, 1041 "must specify both ``vlan'' and ``vlanif''"); 1042 1043 memset(&vlr, 0, sizeof(vlr)); 1044 ifr.ifr_data = (caddr_t)&vlr; 1045 1046 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1047 err(EXIT_FAILURE, "SIOCGETVLAN"); 1048 1049 strlcpy(vlr.vlr_parent, val, sizeof(vlr.vlr_parent)); 1050 vlr.vlr_tag = vlan_tag; 1051 1052 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1053 err(EXIT_FAILURE, "SIOCSETVLAN"); 1054 } 1055 1056 void unsetvlanif(val, d) 1057 const char *val; 1058 int d; 1059 { 1060 struct vlanreq vlr; 1061 1062 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1063 !isdigit(ifr.ifr_name[4])) 1064 errx(EXIT_FAILURE, 1065 "``vlanif'' valid only with vlan(4) interfaces"); 1066 1067 memset(&vlr, 0, sizeof(vlr)); 1068 ifr.ifr_data = (caddr_t)&vlr; 1069 1070 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1071 err(EXIT_FAILURE, "SIOCGETVLAN"); 1072 1073 vlr.vlr_parent[0] = '\0'; 1074 vlr.vlr_tag = 0; 1075 1076 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1077 err(EXIT_FAILURE, "SIOCSETVLAN"); 1078 } 1079 1080 void 1081 setifnetmask(addr, d) 1082 const char *addr; 1083 int d; 1084 { 1085 (*afp->af_getaddr)(addr, MASK); 1086 } 1087 1088 void 1089 setifbroadaddr(addr, d) 1090 const char *addr; 1091 int d; 1092 { 1093 (*afp->af_getaddr)(addr, DSTADDR); 1094 } 1095 1096 void 1097 setifipdst(addr, d) 1098 const char *addr; 1099 int d; 1100 { 1101 in_getaddr(addr, DSTADDR); 1102 setipdst++; 1103 clearaddr = 0; 1104 newaddr = 0; 1105 } 1106 1107 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 1108 /*ARGSUSED*/ 1109 void 1110 notealias(addr, param) 1111 const char *addr; 1112 int param; 1113 { 1114 if (setaddr && doalias == 0 && param < 0) 1115 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 1116 rqtosa(af_addreq)->sa_len); 1117 doalias = param; 1118 if (param < 0) { 1119 clearaddr = 1; 1120 newaddr = 0; 1121 } else 1122 clearaddr = 0; 1123 } 1124 1125 /*ARGSUSED*/ 1126 void 1127 notrailers(vname, value) 1128 const char *vname; 1129 int value; 1130 { 1131 puts("Note: trailers are no longer sent, but always received"); 1132 } 1133 1134 /*ARGSUSED*/ 1135 void 1136 setifdstaddr(addr, param) 1137 const char *addr; 1138 int param; 1139 { 1140 (*afp->af_getaddr)(addr, DSTADDR); 1141 } 1142 1143 void 1144 setifflags(vname, value) 1145 const char *vname; 1146 int value; 1147 { 1148 struct ifreq ifreq; 1149 1150 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 1151 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifreq) < 0) 1152 err(1, "SIOCGIFFLAGS"); 1153 flags = ifreq.ifr_flags; 1154 1155 if (value < 0) { 1156 value = -value; 1157 flags &= ~value; 1158 } else 1159 flags |= value; 1160 ifreq.ifr_flags = flags; 1161 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) < 0) 1162 err(1, "SIOCSIFFLAGS"); 1163 1164 reset_if_flags = 1; 1165 } 1166 1167 #ifdef INET6 1168 void 1169 setia6flags(vname, value) 1170 const char *vname; 1171 int value; 1172 { 1173 if (value < 0) { 1174 value = -value; 1175 in6_addreq.ifra_flags &= ~value; 1176 } else 1177 in6_addreq.ifra_flags |= value; 1178 } 1179 1180 void 1181 setia6pltime(val, d) 1182 const char *val; 1183 int d; 1184 { 1185 setia6lifetime("pltime", val); 1186 } 1187 1188 void 1189 setia6vltime(val, d) 1190 const char *val; 1191 int d; 1192 { 1193 setia6lifetime("vltime", val); 1194 } 1195 1196 void 1197 setia6lifetime(cmd, val) 1198 const char *cmd; 1199 const char *val; 1200 { 1201 time_t newval, t; 1202 char *ep; 1203 1204 t = time(NULL); 1205 newval = (time_t)strtoul(val, &ep, 0); 1206 if (val == ep) 1207 errx(1, "invalid %s", cmd); 1208 if (afp->af_af != AF_INET6) 1209 errx(1, "%s not allowed for the AF", cmd); 1210 if (strcmp(cmd, "vltime") == 0) { 1211 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 1212 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 1213 } else if (strcmp(cmd, "pltime") == 0) { 1214 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 1215 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 1216 } 1217 } 1218 #endif 1219 1220 void 1221 setifmetric(val, d) 1222 const char *val; 1223 int d; 1224 { 1225 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1226 ifr.ifr_metric = atoi(val); 1227 if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) < 0) 1228 warn("SIOCSIFMETRIC"); 1229 } 1230 1231 void 1232 setifmtu(val, d) 1233 const char *val; 1234 int d; 1235 { 1236 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1237 ifr.ifr_mtu = atoi(val); 1238 if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) < 0) 1239 warn("SIOCSIFMTU"); 1240 } 1241 1242 const char * 1243 get_string(val, sep, buf, lenp) 1244 const char *val, *sep; 1245 u_int8_t *buf; 1246 int *lenp; 1247 { 1248 int len; 1249 int hexstr; 1250 u_int8_t *p; 1251 1252 len = *lenp; 1253 p = buf; 1254 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 1255 if (hexstr) 1256 val += 2; 1257 for (;;) { 1258 if (*val == '\0') 1259 break; 1260 if (sep != NULL && strchr(sep, *val) != NULL) { 1261 val++; 1262 break; 1263 } 1264 if (hexstr) { 1265 if (!isxdigit((u_char)val[0]) || 1266 !isxdigit((u_char)val[1])) { 1267 warnx("bad hexadecimal digits"); 1268 return NULL; 1269 } 1270 } 1271 if (p > buf + len) { 1272 if (hexstr) 1273 warnx("hexadecimal digits too long"); 1274 else 1275 warnx("strings too long"); 1276 return NULL; 1277 } 1278 if (hexstr) { 1279 #define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 1280 *p++ = (tohex((u_char)val[0]) << 4) | 1281 tohex((u_char)val[1]); 1282 #undef tohex 1283 val += 2; 1284 } else 1285 *p++ = *val++; 1286 } 1287 len = p - buf; 1288 if (len < *lenp) 1289 memset(p, 0, *lenp - len); 1290 *lenp = len; 1291 return val; 1292 } 1293 1294 void 1295 print_string(buf, len) 1296 const u_int8_t *buf; 1297 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(val, d) 1326 const char *val; 1327 int d; 1328 { 1329 struct ieee80211_nwid nwid; 1330 int len; 1331 1332 len = sizeof(nwid.i_nwid); 1333 if (get_string(val, NULL, nwid.i_nwid, &len) == NULL) 1334 return; 1335 nwid.i_len = len; 1336 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1337 ifr.ifr_data = (caddr_t)&nwid; 1338 if (ioctl(s, SIOCS80211NWID, (caddr_t)&ifr) < 0) 1339 warn("SIOCS80211NWID"); 1340 } 1341 1342 void 1343 setifnwkey(val, d) 1344 const char *val; 1345 int d; 1346 { 1347 struct ieee80211_nwkey nwkey; 1348 int i; 1349 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1350 1351 nwkey.i_wepon = 1; 1352 nwkey.i_defkid = 1; 1353 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1354 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1355 nwkey.i_key[i].i_keydat = keybuf[i]; 1356 } 1357 if (d != 0) { 1358 /* disable WEP encryption */ 1359 nwkey.i_wepon = 0; 1360 i = 0; 1361 } else if (isdigit(val[0]) && val[1] == ':') { 1362 /* specifying a full set of four keys */ 1363 nwkey.i_defkid = val[0] - '0'; 1364 val += 2; 1365 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1366 val = get_string(val, ",", keybuf[i], 1367 &nwkey.i_key[i].i_keylen); 1368 if (val == NULL) 1369 return; 1370 } 1371 if (*val != '\0') { 1372 warnx("SIOCS80211NWKEY: too many keys."); 1373 return; 1374 } 1375 } else { 1376 val = get_string(val, NULL, keybuf[0], 1377 &nwkey.i_key[0].i_keylen); 1378 if (val == NULL) 1379 return; 1380 i = 1; 1381 } 1382 for (; i < IEEE80211_WEP_NKID; i++) 1383 nwkey.i_key[i].i_keylen = 0; 1384 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1385 if (ioctl(s, SIOCS80211NWKEY, (caddr_t)&nwkey) < 0) 1386 warn("SIOCS80211NWKEY"); 1387 } 1388 1389 void 1390 ieee80211_status() 1391 { 1392 int i; 1393 struct ieee80211_nwid nwid; 1394 struct ieee80211_nwkey nwkey; 1395 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1396 1397 memset(&ifr, 0, sizeof(ifr)); 1398 ifr.ifr_data = (caddr_t)&nwid; 1399 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1400 if (ioctl(s, SIOCG80211NWID, (caddr_t)&ifr) != 0) 1401 return; 1402 if (nwid.i_len > IEEE80211_NWID_LEN) { 1403 warnx("SIOCG80211NWID: wrong length of nwid (%d)", nwid.i_len); 1404 return; 1405 } 1406 printf("\tnwid "); 1407 print_string(nwid.i_nwid, nwid.i_len); 1408 memset(&nwkey, 0, sizeof(nwkey)); 1409 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1410 /* show nwkey only when WEP is enabled */ 1411 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) != 0 || 1412 nwkey.i_wepon == 0) { 1413 printf("\n"); 1414 return; 1415 } 1416 1417 printf(" nwkey "); 1418 /* try to retrieve WEP keys */ 1419 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1420 nwkey.i_key[i].i_keydat = keybuf[i]; 1421 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1422 } 1423 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) != 0) { 1424 printf("*****"); 1425 } else { 1426 if (nwkey.i_defkid != 1) { 1427 /* non default key or multiple keys defined */ 1428 i = 0; 1429 } else if (nwkey.i_key[0].i_keylen >= 2 && 1430 isdigit(nwkey.i_key[0].i_keydat[0]) && 1431 nwkey.i_key[0].i_keydat[1] == ':') { 1432 /* ambiguous */ 1433 i = 0; 1434 } else { 1435 for (i = 1; i < IEEE80211_WEP_NKID; i++) { 1436 if (nwkey.i_key[i].i_keylen != 0) 1437 break; 1438 } 1439 } 1440 if (i == IEEE80211_WEP_NKID) { 1441 /* only show the first key */ 1442 print_string(nwkey.i_key[0].i_keydat, 1443 nwkey.i_key[0].i_keylen); 1444 } else { 1445 printf("%d:", nwkey.i_defkid); 1446 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1447 if (i > 0) 1448 printf(","); 1449 print_string(nwkey.i_key[i].i_keydat, 1450 nwkey.i_key[i].i_keylen); 1451 } 1452 } 1453 } 1454 printf("\n"); 1455 } 1456 1457 void 1458 init_current_media() 1459 { 1460 struct ifmediareq ifmr; 1461 1462 /* 1463 * If we have not yet done so, grab the currently-selected 1464 * media. 1465 */ 1466 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1467 (void) memset(&ifmr, 0, sizeof(ifmr)); 1468 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1469 1470 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1471 /* 1472 * If we get E2BIG, the kernel is telling us 1473 * that there are more, so we can ignore it. 1474 */ 1475 if (errno != E2BIG) 1476 err(1, "SGIOCGIFMEDIA"); 1477 } 1478 1479 media_current = ifmr.ifm_current; 1480 } 1481 1482 /* Sanity. */ 1483 if (IFM_TYPE(media_current) == 0) 1484 errx(1, "%s: no link type?", name); 1485 } 1486 1487 void 1488 process_media_commands() 1489 { 1490 1491 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1492 /* Nothing to do. */ 1493 return; 1494 } 1495 1496 /* 1497 * Media already set up, and commands sanity-checked. Set/clear 1498 * any options, and we're ready to go. 1499 */ 1500 media_current |= mediaopt_set; 1501 media_current &= ~mediaopt_clear; 1502 1503 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1504 ifr.ifr_media = media_current; 1505 1506 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0) 1507 err(1, "SIOCSIFMEDIA"); 1508 } 1509 1510 void 1511 setmedia(val, d) 1512 const char *val; 1513 int d; 1514 { 1515 int type, subtype, inst; 1516 1517 init_current_media(); 1518 1519 /* Only one media command may be given. */ 1520 if (actions & A_MEDIA) 1521 errx(1, "only one `media' command may be issued"); 1522 1523 /* Must not come after mediaopt commands */ 1524 if (actions & A_MEDIAOPT) 1525 errx(1, "may not issue `media' after `mediaopt' commands"); 1526 1527 /* 1528 * No need to check if `instance' has been issued; setmediainst() 1529 * craps out if `media' has not been specified. 1530 */ 1531 1532 type = IFM_TYPE(media_current); 1533 inst = IFM_INST(media_current); 1534 1535 /* Look up the subtype. */ 1536 subtype = get_media_subtype(type, val); 1537 1538 /* Build the new current media word. */ 1539 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1540 1541 /* Media will be set after other processing is complete. */ 1542 } 1543 1544 void 1545 setmediaopt(val, d) 1546 const char *val; 1547 int d; 1548 { 1549 1550 init_current_media(); 1551 1552 /* Can only issue `mediaopt' once. */ 1553 if (actions & A_MEDIAOPTSET) 1554 errx(1, "only one `mediaopt' command may be issued"); 1555 1556 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1557 if (actions & A_MEDIAINST) 1558 errx(1, "may not issue `mediaopt' after `instance'"); 1559 1560 mediaopt_set = get_media_options(IFM_TYPE(media_current), val); 1561 1562 /* Media will be set after other processing is complete. */ 1563 } 1564 1565 void 1566 unsetmediaopt(val, d) 1567 const char *val; 1568 int d; 1569 { 1570 1571 init_current_media(); 1572 1573 /* Can only issue `-mediaopt' once. */ 1574 if (actions & A_MEDIAOPTCLR) 1575 errx(1, "only one `-mediaopt' command may be issued"); 1576 1577 /* May not issue `media' and `-mediaopt'. */ 1578 if (actions & A_MEDIA) 1579 errx(1, "may not issue both `media' and `-mediaopt'"); 1580 1581 /* 1582 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1583 * implicitly checks for A_MEDIAINST. 1584 */ 1585 1586 mediaopt_clear = get_media_options(IFM_TYPE(media_current), val); 1587 1588 /* Media will be set after other processing is complete. */ 1589 } 1590 1591 void 1592 setmediainst(val, d) 1593 const char *val; 1594 int d; 1595 { 1596 int type, subtype, options, inst; 1597 1598 init_current_media(); 1599 1600 /* Can only issue `instance' once. */ 1601 if (actions & A_MEDIAINST) 1602 errx(1, "only one `instance' command may be issued"); 1603 1604 /* Must have already specified `media' */ 1605 if ((actions & A_MEDIA) == 0) 1606 errx(1, "must specify `media' before `instance'"); 1607 1608 type = IFM_TYPE(media_current); 1609 subtype = IFM_SUBTYPE(media_current); 1610 options = IFM_OPTIONS(media_current); 1611 1612 inst = atoi(val); 1613 if (inst < 0 || inst > IFM_INST_MAX) 1614 errx(1, "invalid media instance: %s", val); 1615 1616 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1617 1618 /* Media will be set after other processing is complete. */ 1619 } 1620 1621 struct ifmedia_description ifm_type_descriptions[] = 1622 IFM_TYPE_DESCRIPTIONS; 1623 1624 struct ifmedia_description ifm_subtype_descriptions[] = 1625 IFM_SUBTYPE_DESCRIPTIONS; 1626 1627 struct ifmedia_description ifm_option_descriptions[] = 1628 IFM_OPTION_DESCRIPTIONS; 1629 1630 const char * 1631 get_media_type_string(mword) 1632 int mword; 1633 { 1634 struct ifmedia_description *desc; 1635 1636 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; 1637 desc++) { 1638 if (IFM_TYPE(mword) == desc->ifmt_word) 1639 return (desc->ifmt_string); 1640 } 1641 return ("<unknown type>"); 1642 } 1643 1644 const char * 1645 get_media_subtype_string(mword) 1646 int mword; 1647 { 1648 struct ifmedia_description *desc; 1649 1650 for (desc = ifm_subtype_descriptions; desc->ifmt_string != NULL; 1651 desc++) { 1652 if (IFM_TYPE_MATCH(desc->ifmt_word, mword) && 1653 IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(mword)) 1654 return (desc->ifmt_string); 1655 } 1656 return ("<unknown subtype>"); 1657 } 1658 1659 int 1660 get_media_subtype(type, val) 1661 int type; 1662 const char *val; 1663 { 1664 int rval; 1665 1666 rval = lookup_media_word(ifm_subtype_descriptions, type, val); 1667 if (rval == -1) 1668 errx(1, "unknown %s media subtype: %s", 1669 get_media_type_string(type), val); 1670 1671 return (rval); 1672 } 1673 1674 int 1675 get_media_options(type, val) 1676 int type; 1677 const char *val; 1678 { 1679 char *optlist, *str; 1680 int option, rval = 0; 1681 1682 /* We muck with the string, so copy it. */ 1683 optlist = strdup(val); 1684 if (optlist == NULL) 1685 err(1, "strdup"); 1686 str = optlist; 1687 1688 /* 1689 * Look up the options in the user-provided comma-separated list. 1690 */ 1691 for (; (str = strtok(str, ",")) != NULL; str = NULL) { 1692 option = lookup_media_word(ifm_option_descriptions, type, str); 1693 if (option == -1) 1694 errx(1, "unknown %s media option: %s", 1695 get_media_type_string(type), str); 1696 rval |= IFM_OPTIONS(option); 1697 } 1698 1699 free(optlist); 1700 return (rval); 1701 } 1702 1703 int 1704 lookup_media_word(desc, type, val) 1705 struct ifmedia_description *desc; 1706 int type; 1707 const char *val; 1708 { 1709 1710 for (; desc->ifmt_string != NULL; desc++) { 1711 if (IFM_TYPE_MATCH(desc->ifmt_word, type) && 1712 strcasecmp(desc->ifmt_string, val) == 0) 1713 return (desc->ifmt_word); 1714 } 1715 return (-1); 1716 } 1717 1718 void 1719 print_media_word(ifmw, print_type, as_syntax) 1720 int ifmw, print_type, as_syntax; 1721 { 1722 struct ifmedia_description *desc; 1723 int seen_option = 0; 1724 1725 if (print_type) 1726 printf("%s ", get_media_type_string(ifmw)); 1727 printf("%s%s", as_syntax ? "media " : "", 1728 get_media_subtype_string(ifmw)); 1729 1730 /* Find options. */ 1731 for (desc = ifm_option_descriptions; desc->ifmt_string != NULL; 1732 desc++) { 1733 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && 1734 (ifmw & IFM_OPTIONS(desc->ifmt_word)) != 0 && 1735 (seen_option & IFM_OPTIONS(desc->ifmt_word)) == 0) { 1736 if (seen_option == 0) 1737 printf(" %s", as_syntax ? "mediaopt " : ""); 1738 printf("%s%s", seen_option ? "," : "", 1739 desc->ifmt_string); 1740 seen_option |= IFM_OPTIONS(desc->ifmt_word); 1741 } 1742 } 1743 if (IFM_INST(ifmw) != 0) 1744 printf(" instance %d", IFM_INST(ifmw)); 1745 } 1746 1747 int carrier() 1748 { 1749 struct ifmediareq ifmr; 1750 1751 (void) memset(&ifmr, 0, sizeof(ifmr)); 1752 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1753 1754 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1755 /* 1756 * Interface doesn't support SIOC{G,S}IFMEDIA; 1757 * assume ok. 1758 */ 1759 return 0; 1760 } 1761 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1762 /* 1763 * Interface doesn't report media-valid status. 1764 * assume ok. 1765 */ 1766 return 0; 1767 } 1768 /* otherwise, return ok for active, not-ok if not active. */ 1769 return !(ifmr.ifm_status & IFM_ACTIVE); 1770 } 1771 1772 1773 #define IFFBITS \ 1774 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 1775 \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 1776 1777 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1778 1779 const struct ifmedia_status_description ifm_status_descriptions[] = 1780 IFM_STATUS_DESCRIPTIONS; 1781 1782 /* 1783 * Print the status of the interface. If an address family was 1784 * specified, show it and it only; otherwise, show them all. 1785 */ 1786 void 1787 status(ap, alen) 1788 const u_int8_t *ap; 1789 int alen; 1790 { 1791 struct afswtch *p = afp; 1792 struct ifmediareq ifmr; 1793 int *media_list, i; 1794 1795 printf("%s: ", name); 1796 printb("flags", flags, IFFBITS); 1797 if (metric) 1798 printf(" metric %d", metric); 1799 if (mtu) 1800 printf(" mtu %d", mtu); 1801 putchar('\n'); 1802 1803 ieee80211_status(); 1804 vlan_status(); 1805 tunnel_status(); 1806 1807 if (ap && alen > 0) { 1808 printf("\taddress:"); 1809 for (i = 0; i < alen; i++, ap++) 1810 printf("%c%02x", i > 0 ? ':' : ' ', *ap); 1811 putchar('\n'); 1812 } 1813 1814 (void) memset(&ifmr, 0, sizeof(ifmr)); 1815 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1816 1817 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1818 /* 1819 * Interface doesn't support SIOC{G,S}IFMEDIA. 1820 */ 1821 goto proto_status; 1822 } 1823 1824 if (ifmr.ifm_count == 0) { 1825 warnx("%s: no media types?", name); 1826 goto proto_status; 1827 } 1828 1829 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1830 if (media_list == NULL) 1831 err(1, "malloc"); 1832 ifmr.ifm_ulist = media_list; 1833 1834 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) 1835 err(1, "SIOCGIFMEDIA"); 1836 1837 printf("\tmedia: "); 1838 print_media_word(ifmr.ifm_current, 1, 0); 1839 if (ifmr.ifm_active != ifmr.ifm_current) { 1840 putchar(' '); 1841 putchar('('); 1842 print_media_word(ifmr.ifm_active, 0, 0); 1843 putchar(')'); 1844 } 1845 putchar('\n'); 1846 1847 if (ifmr.ifm_status & IFM_STATUS_VALID) { 1848 const struct ifmedia_status_description *ifms; 1849 int bitno, found = 0; 1850 1851 printf("\tstatus: "); 1852 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 1853 for (ifms = ifm_status_descriptions; 1854 ifms->ifms_valid != 0; ifms++) { 1855 if (ifms->ifms_type != 1856 IFM_TYPE(ifmr.ifm_current) || 1857 ifms->ifms_valid != 1858 ifm_status_valid_list[bitno]) 1859 continue; 1860 printf("%s%s", found ? ", " : "", 1861 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 1862 found = 1; 1863 1864 /* 1865 * For each valid indicator bit, there's 1866 * only one entry for each media type, so 1867 * terminate the inner loop now. 1868 */ 1869 break; 1870 } 1871 } 1872 1873 if (found == 0) 1874 printf("unknown"); 1875 putchar('\n'); 1876 } 1877 1878 if (mflag) { 1879 int type, printed_type; 1880 1881 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 1882 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 1883 if (IFM_TYPE(media_list[i]) == type) { 1884 if (printed_type == 0) { 1885 printf("\tsupported %s media:\n", 1886 get_media_type_string(type)); 1887 printed_type = 1; 1888 } 1889 printf("\t\t"); 1890 print_media_word(media_list[i], 0, 1); 1891 printf("\n"); 1892 } 1893 } 1894 } 1895 } 1896 1897 free(media_list); 1898 1899 proto_status: 1900 if ((p = afp) != NULL) { 1901 (*p->af_status)(1); 1902 } else for (p = afs; p->af_name; p++) { 1903 ifr.ifr_addr.sa_family = p->af_af; 1904 (*p->af_status)(0); 1905 } 1906 } 1907 1908 void 1909 tunnel_status() 1910 { 1911 char psrcaddr[NI_MAXHOST]; 1912 char pdstaddr[NI_MAXHOST]; 1913 u_long srccmd, dstcmd; 1914 struct ifreq *ifrp; 1915 const char *ver = ""; 1916 #ifdef NI_WITHSCOPEID 1917 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 1918 #else 1919 const int niflag = NI_NUMERICHOST; 1920 #endif 1921 #ifdef INET6 1922 struct in6_ifreq in6_ifr; 1923 int s6; 1924 #endif /* INET6 */ 1925 1926 psrcaddr[0] = pdstaddr[0] = '\0'; 1927 1928 #ifdef INET6 1929 memset(&in6_ifr, 0, sizeof(in6_ifr)); 1930 strncpy(in6_ifr.ifr_name, name, IFNAMSIZ); 1931 s6 = socket(AF_INET6, SOCK_DGRAM, 0); 1932 if (s6 < 0) { 1933 srccmd = SIOCGIFPSRCADDR; 1934 dstcmd = SIOCGIFPDSTADDR; 1935 ifrp = 𝔦 1936 } else { 1937 close(s6); 1938 srccmd = SIOCGIFPSRCADDR_IN6; 1939 dstcmd = SIOCGIFPDSTADDR_IN6; 1940 ifrp = (struct ifreq *)&in6_ifr; 1941 } 1942 try_again: 1943 #else /* INET6 */ 1944 srccmd = SIOCGIFPSRCADDR; 1945 dstcmd = SIOCGIFPDSTADDR; 1946 ifrp = 𝔦 1947 #endif /* INET6 */ 1948 1949 if (ioctl(s, srccmd, (caddr_t)ifrp) < 0) { 1950 #ifdef INET6 1951 if (srccmd == SIOCGIFPSRCADDR_IN6) { 1952 /* 1953 * Driver probably doesn't support IPv6 1954 * src/dst addrs. Use the sockaddr versions. 1955 */ 1956 srccmd = SIOCGIFPSRCADDR; 1957 dstcmd = SIOCGIFPDSTADDR; 1958 ifrp = 𝔦 1959 goto try_again; 1960 } 1961 #endif 1962 return; 1963 } 1964 #ifdef INET6 1965 if (ifrp->ifr_addr.sa_family == AF_INET6) 1966 in6_fillscopeid((struct sockaddr_in6 *)&ifrp->ifr_addr); 1967 #endif 1968 getnameinfo(&ifrp->ifr_addr, ifrp->ifr_addr.sa_len, 1969 psrcaddr, sizeof(psrcaddr), 0, 0, niflag); 1970 #ifdef INET6 1971 if (ifrp->ifr_addr.sa_family == AF_INET6) 1972 ver = "6"; 1973 #endif 1974 1975 if (ioctl(s, dstcmd, (caddr_t)ifrp) < 0) 1976 return; 1977 #ifdef INET6 1978 if (ifrp->ifr_addr.sa_family == AF_INET6) 1979 in6_fillscopeid((struct sockaddr_in6 *)&ifrp->ifr_addr); 1980 #endif 1981 getnameinfo(&ifrp->ifr_addr, ifrp->ifr_addr.sa_len, 1982 pdstaddr, sizeof(pdstaddr), 0, 0, niflag); 1983 1984 printf("\ttunnel inet%s %s --> %s\n", ver, 1985 psrcaddr, pdstaddr); 1986 } 1987 1988 void 1989 vlan_status() 1990 { 1991 struct vlanreq vlr; 1992 1993 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1994 !isdigit(ifr.ifr_name[4])) 1995 return; 1996 1997 memset(&vlr, 0, sizeof(vlr)); 1998 ifr.ifr_data = (caddr_t)&vlr; 1999 2000 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 2001 return; 2002 2003 if (vlr.vlr_tag || vlr.vlr_parent[0] != '\0') 2004 printf("\tvlan: %d parent: %s\n", 2005 vlr.vlr_tag, vlr.vlr_parent[0] == '\0' ? 2006 "<none>" : vlr.vlr_parent); 2007 } 2008 2009 void 2010 in_alias(creq) 2011 struct ifreq *creq; 2012 { 2013 struct sockaddr_in *sin; 2014 int alias; 2015 2016 if (lflag) 2017 return; 2018 2019 alias = 1; 2020 2021 /* Get the non-alias address for this interface. */ 2022 getsock(AF_INET); 2023 if (s < 0) { 2024 if (errno == EPROTONOSUPPORT) 2025 return; 2026 err(1, "socket"); 2027 } 2028 (void) memset(&ifr, 0, sizeof(ifr)); 2029 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2030 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 2031 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2032 return; 2033 } else 2034 warn("SIOCGIFADDR"); 2035 } 2036 /* If creq and ifr are the same address, this is not an alias. */ 2037 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 2038 sizeof(creq->ifr_addr)) == 0) 2039 alias = 0; 2040 /* we print aliases only with -A */ 2041 if (alias && !Aflag) 2042 return; 2043 (void) memset(&addreq, 0, sizeof(addreq)); 2044 (void) strncpy(addreq.ifra_name, name, sizeof(addreq.ifra_name)); 2045 addreq.ifra_addr = creq->ifr_addr; 2046 if (ioctl(s, SIOCGIFALIAS, (caddr_t)&addreq) < 0) { 2047 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2048 return; 2049 } else 2050 warn("SIOCGIFALIAS"); 2051 } 2052 2053 sin = (struct sockaddr_in *)&addreq.ifra_addr; 2054 printf("\tinet %s%s", alias ? "alias " : "", inet_ntoa(sin->sin_addr)); 2055 2056 if (flags & IFF_POINTOPOINT) { 2057 sin = (struct sockaddr_in *)&addreq.ifra_dstaddr; 2058 printf(" -> %s", inet_ntoa(sin->sin_addr)); 2059 } 2060 2061 sin = (struct sockaddr_in *)&addreq.ifra_mask; 2062 printf(" netmask 0x%x", ntohl(sin->sin_addr.s_addr)); 2063 2064 if (flags & IFF_BROADCAST) { 2065 sin = (struct sockaddr_in *)&addreq.ifra_broadaddr; 2066 printf(" broadcast %s", inet_ntoa(sin->sin_addr)); 2067 } 2068 printf("\n"); 2069 } 2070 2071 void 2072 in_status(force) 2073 int force; 2074 { 2075 #ifdef HAVE_IFADDRS_H 2076 struct ifaddrs *ifap, *ifa; 2077 struct ifreq ifr; 2078 2079 if (getifaddrs(&ifap) != 0) 2080 err(1, "getifaddrs"); 2081 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2082 if (strcmp(name, ifa->ifa_name) != 0) 2083 continue; 2084 if (ifa->ifa_addr->sa_family != AF_INET) 2085 continue; 2086 if (sizeof(ifr.ifr_addr) < ifa->ifa_addr->sa_len) 2087 continue; 2088 2089 memset(&ifr, 0, sizeof(ifr)); 2090 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 2091 memcpy(&ifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2092 in_alias(&ifr); 2093 } 2094 freeifaddrs(ifap); 2095 #else 2096 char inbuf[8192]; 2097 struct ifconf ifc; 2098 struct ifreq *ifr; 2099 int i, siz; 2100 char ifrbuf[8192], *cp; 2101 2102 ifc.ifc_len = sizeof(inbuf); 2103 ifc.ifc_buf = inbuf; 2104 getsock(af); 2105 if (s < 0) 2106 err(1, "socket"); 2107 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 2108 err(1, "SIOCGIFCONF"); 2109 for (i = 0; i < ifc.ifc_len; ) { 2110 /* Copy the mininum ifreq into the buffer. */ 2111 cp = ((caddr_t)ifc.ifc_req + i); 2112 memcpy(ifrbuf, cp, sizeof(*ifr)); 2113 2114 /* Now compute the actual size of the ifreq. */ 2115 ifr = (struct ifreq *)ifrbuf; 2116 siz = ifr->ifr_addr.sa_len; 2117 if (siz < sizeof(ifr->ifr_addr)) 2118 siz = sizeof(ifr->ifr_addr); 2119 siz += sizeof(ifr->ifr_name); 2120 i += siz; 2121 2122 /* Now copy the whole thing. */ 2123 if (sizeof(ifrbuf) < siz) 2124 errx(1, "ifr too big"); 2125 memcpy(ifrbuf, cp, siz); 2126 2127 if (!strncmp(name, ifr->ifr_name, sizeof(ifr->ifr_name))) { 2128 if (ifr->ifr_addr.sa_family == AF_INET) 2129 in_alias(ifr); 2130 } 2131 } 2132 #endif 2133 } 2134 2135 void 2136 setifprefixlen(addr, d) 2137 const char *addr; 2138 int d; 2139 { 2140 if (*afp->af_getprefix) 2141 (*afp->af_getprefix)(addr, MASK); 2142 explicit_prefix = 1; 2143 } 2144 2145 #ifdef INET6 2146 void 2147 in6_fillscopeid(sin6) 2148 struct sockaddr_in6 *sin6; 2149 { 2150 #if defined(__KAME__) && defined(KAME_SCOPEID) 2151 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 2152 sin6->sin6_scope_id = 2153 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 2154 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 2155 } 2156 #endif 2157 } 2158 2159 /* XXX not really an alias */ 2160 void 2161 in6_alias(creq) 2162 struct in6_ifreq *creq; 2163 { 2164 struct sockaddr_in6 *sin6; 2165 char hbuf[NI_MAXHOST]; 2166 u_int32_t scopeid; 2167 #ifdef NI_WITHSCOPEID 2168 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 2169 #else 2170 const int niflag = NI_NUMERICHOST; 2171 #endif 2172 2173 /* Get the non-alias address for this interface. */ 2174 getsock(AF_INET6); 2175 if (s < 0) { 2176 if (errno == EPROTONOSUPPORT) 2177 return; 2178 err(1, "socket"); 2179 } 2180 2181 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 2182 2183 in6_fillscopeid(sin6); 2184 scopeid = sin6->sin6_scope_id; 2185 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2186 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2187 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2188 printf("\tinet6 %s", hbuf); 2189 2190 if (flags & IFF_POINTOPOINT) { 2191 (void) memset(&ifr6, 0, sizeof(ifr6)); 2192 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2193 ifr6.ifr_addr = creq->ifr_addr; 2194 if (ioctl(s, SIOCGIFDSTADDR_IN6, (caddr_t)&ifr6) < 0) { 2195 if (errno != EADDRNOTAVAIL) 2196 warn("SIOCGIFDSTADDR_IN6"); 2197 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 2198 ifr6.ifr_addr.sin6_family = AF_INET6; 2199 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 2200 } 2201 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2202 in6_fillscopeid(sin6); 2203 hbuf[0] = '\0'; 2204 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2205 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2206 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2207 printf(" -> %s", hbuf); 2208 } 2209 2210 (void) memset(&ifr6, 0, sizeof(ifr6)); 2211 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2212 ifr6.ifr_addr = creq->ifr_addr; 2213 if (ioctl(s, SIOCGIFNETMASK_IN6, (caddr_t)&ifr6) < 0) { 2214 if (errno != EADDRNOTAVAIL) 2215 warn("SIOCGIFNETMASK_IN6"); 2216 } else { 2217 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2218 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 2219 sizeof(struct in6_addr))); 2220 } 2221 2222 (void) memset(&ifr6, 0, sizeof(ifr6)); 2223 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2224 ifr6.ifr_addr = creq->ifr_addr; 2225 if (ioctl(s, SIOCGIFAFLAG_IN6, (caddr_t)&ifr6) < 0) { 2226 if (errno != EADDRNOTAVAIL) 2227 warn("SIOCGIFAFLAG_IN6"); 2228 } else { 2229 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 2230 printf(" anycast"); 2231 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 2232 printf(" tentative"); 2233 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 2234 printf(" duplicated"); 2235 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 2236 printf(" detached"); 2237 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DEPRECATED) 2238 printf(" deprecated"); 2239 } 2240 2241 if (scopeid) 2242 printf(" scopeid 0x%x", scopeid); 2243 2244 if (Lflag) { 2245 struct in6_addrlifetime *lifetime; 2246 (void) memset(&ifr6, 0, sizeof(ifr6)); 2247 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2248 ifr6.ifr_addr = creq->ifr_addr; 2249 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 2250 if (ioctl(s, SIOCGIFALIFETIME_IN6, (caddr_t)&ifr6) < 0) { 2251 if (errno != EADDRNOTAVAIL) 2252 warn("SIOCGIFALIFETIME_IN6"); 2253 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 2254 time_t t = time(NULL); 2255 printf(" pltime "); 2256 if (lifetime->ia6t_preferred) { 2257 printf("%s", lifetime->ia6t_preferred < t 2258 ? "0" 2259 : sec2str(lifetime->ia6t_preferred - t)); 2260 } else 2261 printf("infty"); 2262 2263 printf(" vltime "); 2264 if (lifetime->ia6t_expire) { 2265 printf("%s", lifetime->ia6t_expire < t 2266 ? "0" 2267 : sec2str(lifetime->ia6t_expire - t)); 2268 } else 2269 printf("infty"); 2270 } 2271 } 2272 2273 printf("\n"); 2274 } 2275 2276 void 2277 in6_status(force) 2278 int force; 2279 { 2280 #ifdef HAVE_IFADDRS_H 2281 struct ifaddrs *ifap, *ifa; 2282 struct in6_ifreq ifr; 2283 2284 if (getifaddrs(&ifap) != 0) 2285 err(1, "getifaddrs"); 2286 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2287 if (strcmp(name, ifa->ifa_name) != 0) 2288 continue; 2289 if (ifa->ifa_addr->sa_family != AF_INET6) 2290 continue; 2291 if (sizeof(ifr.ifr_addr) < ifa->ifa_addr->sa_len) 2292 continue; 2293 2294 memset(&ifr, 0, sizeof(ifr)); 2295 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 2296 memcpy(&ifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2297 in6_alias(&ifr); 2298 } 2299 freeifaddrs(ifap); 2300 #else 2301 char inbuf[8192]; 2302 struct ifconf ifc; 2303 struct ifreq *ifr; 2304 int i, siz; 2305 char ifrbuf[8192], *cp; 2306 2307 ifc.ifc_len = sizeof(inbuf); 2308 ifc.ifc_buf = inbuf; 2309 getsock(af); 2310 if (s < 0) 2311 err(1, "socket"); 2312 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 2313 err(1, "SIOCGIFCONF"); 2314 for (i = 0; i < ifc.ifc_len; ) { 2315 /* Copy the mininum ifreq into the buffer. */ 2316 cp = ((caddr_t)ifc.ifc_req + i); 2317 memcpy(ifrbuf, cp, sizeof(*ifr)); 2318 2319 /* Now compute the actual size of the ifreq. */ 2320 ifr = (struct ifreq *)ifrbuf; 2321 siz = ifr->ifr_addr.sa_len; 2322 if (siz < sizeof(ifr->ifr_addr)) 2323 siz = sizeof(ifr->ifr_addr); 2324 siz += sizeof(ifr->ifr_name); 2325 i += siz; 2326 2327 /* Now copy the whole thing. */ 2328 if (sizeof(ifrbuf) < siz) 2329 errx(1, "ifr too big"); 2330 memcpy(ifrbuf, cp, siz); 2331 2332 if (!strncmp(name, ifr->ifr_name, sizeof(ifr->ifr_name))) { 2333 if (ifr->ifr_addr.sa_family == AF_INET6) 2334 in6_alias((struct in6_ifreq *)ifr); 2335 } 2336 } 2337 #endif 2338 } 2339 #endif /*INET6*/ 2340 2341 #ifndef INET_ONLY 2342 2343 void 2344 at_status(force) 2345 int force; 2346 { 2347 struct sockaddr_at *sat, null_sat; 2348 struct netrange *nr; 2349 2350 getsock(AF_APPLETALK); 2351 if (s < 0) { 2352 if (errno == EPROTONOSUPPORT) 2353 return; 2354 err(1, "socket"); 2355 } 2356 (void) memset(&ifr, 0, sizeof(ifr)); 2357 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2358 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 2359 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2360 if (!force) 2361 return; 2362 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2363 } else 2364 warn("SIOCGIFADDR"); 2365 } 2366 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2367 sat = (struct sockaddr_at *)&ifr.ifr_addr; 2368 2369 (void) memset(&null_sat, 0, sizeof(null_sat)); 2370 2371 nr = (struct netrange *) &sat->sat_zero; 2372 printf("\tatalk %d.%d range %d-%d phase %d", 2373 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2374 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 2375 if (flags & IFF_POINTOPOINT) { 2376 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 2377 if (errno == EADDRNOTAVAIL) 2378 (void) memset(&ifr.ifr_addr, 0, 2379 sizeof(ifr.ifr_addr)); 2380 else 2381 warn("SIOCGIFDSTADDR"); 2382 } 2383 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2384 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 2385 if (!sat) 2386 sat = &null_sat; 2387 printf("--> %d.%d", 2388 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 2389 } 2390 if (flags & IFF_BROADCAST) { 2391 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 2392 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 2393 if (sat) 2394 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 2395 sat->sat_addr.s_node); 2396 } 2397 putchar('\n'); 2398 } 2399 2400 void 2401 xns_status(force) 2402 int force; 2403 { 2404 struct sockaddr_ns *sns; 2405 2406 getsock(AF_NS); 2407 if (s < 0) { 2408 if (errno == EPROTONOSUPPORT) 2409 return; 2410 err(1, "socket"); 2411 } 2412 (void) memset(&ifr, 0, sizeof(ifr)); 2413 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2414 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 2415 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2416 if (!force) 2417 return; 2418 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2419 } else 2420 warn("SIOCGIFADDR"); 2421 } 2422 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2423 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 2424 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 2425 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 2426 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 2427 if (errno == EADDRNOTAVAIL) 2428 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2429 else 2430 warn("SIOCGIFDSTADDR"); 2431 } 2432 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2433 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 2434 printf("--> %s ", ns_ntoa(sns->sns_addr)); 2435 } 2436 putchar('\n'); 2437 } 2438 2439 void 2440 iso_status(force) 2441 int force; 2442 { 2443 struct sockaddr_iso *siso; 2444 struct iso_ifreq ifr; 2445 2446 getsock(AF_ISO); 2447 if (s < 0) { 2448 if (errno == EPROTONOSUPPORT) 2449 return; 2450 err(1, "socket"); 2451 } 2452 (void) memset(&ifr, 0, sizeof(ifr)); 2453 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2454 if (ioctl(s, SIOCGIFADDR_ISO, (caddr_t)&ifr) < 0) { 2455 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2456 if (!force) 2457 return; 2458 (void) memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2459 } else 2460 warn("SIOCGIFADDR_ISO"); 2461 } 2462 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2463 siso = &ifr.ifr_Addr; 2464 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 2465 if (ioctl(s, SIOCGIFNETMASK_ISO, (caddr_t)&ifr) < 0) { 2466 if (errno == EADDRNOTAVAIL) 2467 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2468 else 2469 warn("SIOCGIFNETMASK_ISO"); 2470 } else { 2471 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 2472 siso->siso_addr.isoa_len = siso->siso_len 2473 - offsetof(struct sockaddr_iso, siso_addr); 2474 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 2475 } 2476 if (flags & IFF_POINTOPOINT) { 2477 if (ioctl(s, SIOCGIFDSTADDR_ISO, (caddr_t)&ifr) < 0) { 2478 if (errno == EADDRNOTAVAIL) 2479 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2480 else 2481 warn("SIOCGIFDSTADDR_ISO"); 2482 } 2483 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2484 siso = &ifr.ifr_Addr; 2485 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 2486 } 2487 putchar('\n'); 2488 } 2489 2490 #endif /* INET_ONLY */ 2491 2492 #define SIN(x) ((struct sockaddr_in *) &(x)) 2493 struct sockaddr_in *sintab[] = { 2494 SIN(ridreq.ifr_addr), SIN(addreq.ifra_addr), 2495 SIN(addreq.ifra_mask), SIN(addreq.ifra_broadaddr)}; 2496 2497 void 2498 in_getaddr(s, which) 2499 const char *s; 2500 int which; 2501 { 2502 struct sockaddr_in *sin = sintab[which]; 2503 struct hostent *hp; 2504 struct netent *np; 2505 2506 sin->sin_len = sizeof(*sin); 2507 if (which != MASK) 2508 sin->sin_family = AF_INET; 2509 2510 if (which == ADDR) { 2511 char *p = NULL; 2512 2513 if((p = strrchr(s, '/')) != NULL) { 2514 /* address is `name/masklen' */ 2515 int masklen; 2516 int ret; 2517 struct sockaddr_in *min = sintab[MASK]; 2518 *p = '\0'; 2519 ret = sscanf(p+1, "%u", &masklen); 2520 if(ret != 1 || (masklen < 0 || masklen > 32)) { 2521 *p = '/'; 2522 errx(1, "%s: bad value", s); 2523 } 2524 min->sin_len = sizeof(*min); 2525 min->sin_addr.s_addr = 2526 htonl(~((1LL << (32 - masklen)) - 1) & 2527 0xffffffff); 2528 } 2529 } 2530 2531 if (inet_aton(s, &sin->sin_addr) == 0) { 2532 if ((hp = gethostbyname(s)) != NULL) 2533 (void) memcpy(&sin->sin_addr, hp->h_addr, hp->h_length); 2534 else if ((np = getnetbyname(s)) != NULL) 2535 sin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 2536 else 2537 errx(1, "%s: bad value", s); 2538 } 2539 } 2540 2541 /* 2542 * Print a value a la the %b format of the kernel's printf 2543 */ 2544 void 2545 printb(s, v, bits) 2546 const char *s; 2547 unsigned short v; 2548 const char *bits; 2549 { 2550 int i, any = 0; 2551 char c; 2552 2553 if (bits && *bits == 8) 2554 printf("%s=%o", s, v); 2555 else 2556 printf("%s=%x", s, v); 2557 bits++; 2558 if (bits) { 2559 putchar('<'); 2560 while ((i = *bits++) != 0) { 2561 if (v & (1 << (i-1))) { 2562 if (any) 2563 putchar(','); 2564 any = 1; 2565 for (; (c = *bits) > 32; bits++) 2566 putchar(c); 2567 } else 2568 for (; *bits > 32; bits++) 2569 ; 2570 } 2571 putchar('>'); 2572 } 2573 } 2574 2575 #ifdef INET6 2576 #define SIN6(x) ((struct sockaddr_in6 *) &(x)) 2577 struct sockaddr_in6 *sin6tab[] = { 2578 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 2579 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 2580 2581 void 2582 in6_getaddr(s, which) 2583 const char *s; 2584 int which; 2585 { 2586 #if defined(__KAME__) && defined(KAME_SCOPEID) 2587 struct sockaddr_in6 *sin6 = sin6tab[which]; 2588 struct addrinfo hints, *res; 2589 int error; 2590 2591 memset(&hints, 0, sizeof(hints)); 2592 hints.ai_family = AF_INET6; 2593 hints.ai_socktype = SOCK_DGRAM; 2594 #if 0 /* in_getaddr() allows FQDN */ 2595 hints.ai_flags = AI_NUMERICHOST; 2596 #endif 2597 error = getaddrinfo(s, "0", &hints, &res); 2598 if (error) 2599 errx(1, "%s: %s", s, gai_strerror(error)); 2600 if (res->ai_next) 2601 errx(1, "%s: resolved to multiple hosts", s); 2602 if (res->ai_addrlen != sizeof(struct sockaddr_in6)) 2603 errx(1, "%s: bad value", s); 2604 memcpy(sin6, res->ai_addr, res->ai_addrlen); 2605 freeaddrinfo(res); 2606 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) { 2607 *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = 2608 htons(sin6->sin6_scope_id); 2609 sin6->sin6_scope_id = 0; 2610 } 2611 #else 2612 struct sockaddr_in6 *sin = sin6tab[which]; 2613 2614 sin->sin6_len = sizeof(*sin); 2615 if (which != MASK) 2616 sin->sin6_family = AF_INET6; 2617 2618 if (which == ADDR) { 2619 char *p = NULL; 2620 if((p = strrchr(s, '/')) != NULL) { 2621 *p = '\0'; 2622 in6_getprefix(p + 1, MASK); 2623 explicit_prefix = 1; 2624 } 2625 } 2626 2627 if (inet_pton(AF_INET6, s, &sin->sin6_addr) != 1) 2628 errx(1, "%s: bad value", s); 2629 #endif 2630 } 2631 2632 void 2633 in6_getprefix(plen, which) 2634 const char *plen; 2635 int which; 2636 { 2637 register struct sockaddr_in6 *sin = sin6tab[which]; 2638 register u_char *cp; 2639 int len = strtol(plen, (char **)NULL, 10); 2640 2641 if ((len < 0) || (len > 128)) 2642 errx(1, "%s: bad value", plen); 2643 sin->sin6_len = sizeof(*sin); 2644 if (which != MASK) 2645 sin->sin6_family = AF_INET6; 2646 if ((len == 0) || (len == 128)) { 2647 memset(&sin->sin6_addr, 0xff, sizeof(struct in6_addr)); 2648 return; 2649 } 2650 memset((void *)&sin->sin6_addr, 0x00, sizeof(sin->sin6_addr)); 2651 for (cp = (u_char *)&sin->sin6_addr; len > 7; len -= 8) 2652 *cp++ = 0xff; 2653 *cp = 0xff << (8 - len); 2654 } 2655 2656 int 2657 prefix(val, size) 2658 void *val; 2659 int size; 2660 { 2661 register u_char *name = (u_char *)val; 2662 register int byte, bit, plen = 0; 2663 2664 for (byte = 0; byte < size; byte++, plen += 8) 2665 if (name[byte] != 0xff) 2666 break; 2667 if (byte == size) 2668 return (plen); 2669 for (bit = 7; bit != 0; bit--, plen++) 2670 if (!(name[byte] & (1 << bit))) 2671 break; 2672 for (; bit != 0; bit--) 2673 if (name[byte] & (1 << bit)) 2674 return(0); 2675 byte++; 2676 for (; byte < size; byte++) 2677 if (name[byte]) 2678 return(0); 2679 return (plen); 2680 } 2681 #endif /*INET6*/ 2682 2683 #ifndef INET_ONLY 2684 void 2685 at_getaddr(addr, which) 2686 const char *addr; 2687 int which; 2688 { 2689 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 2690 u_int net, node; 2691 2692 sat->sat_family = AF_APPLETALK; 2693 sat->sat_len = sizeof(*sat); 2694 if (which == MASK) 2695 errx(1, "AppleTalk does not use netmasks\n"); 2696 if (sscanf(addr, "%u.%u", &net, &node) != 2 2697 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 2698 errx(1, "%s: illegal address", addr); 2699 sat->sat_addr.s_net = htons(net); 2700 sat->sat_addr.s_node = node; 2701 } 2702 2703 void 2704 setatrange(range, d) 2705 const char *range; 2706 int d; 2707 { 2708 u_short first = 123, last = 123; 2709 2710 if (sscanf(range, "%hu-%hu", &first, &last) != 2 2711 || first == 0 || first > 0xffff 2712 || last == 0 || last > 0xffff || first > last) 2713 errx(1, "%s: illegal net range: %u-%u", range, first, last); 2714 at_nr.nr_firstnet = htons(first); 2715 at_nr.nr_lastnet = htons(last); 2716 } 2717 2718 void 2719 setatphase(phase, d) 2720 const char *phase; 2721 int d; 2722 { 2723 if (!strcmp(phase, "1")) 2724 at_nr.nr_phase = 1; 2725 else if (!strcmp(phase, "2")) 2726 at_nr.nr_phase = 2; 2727 else 2728 errx(1, "%s: illegal phase", phase); 2729 } 2730 2731 void 2732 checkatrange(sat) 2733 struct sockaddr_at *sat; 2734 { 2735 if (at_nr.nr_phase == 0) 2736 at_nr.nr_phase = 2; /* Default phase 2 */ 2737 if (at_nr.nr_firstnet == 0) 2738 at_nr.nr_firstnet = /* Default range of one */ 2739 at_nr.nr_lastnet = sat->sat_addr.s_net; 2740 printf("\tatalk %d.%d range %d-%d phase %d\n", 2741 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2742 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 2743 if ((u_short) ntohs(at_nr.nr_firstnet) > 2744 (u_short) ntohs(sat->sat_addr.s_net) 2745 || (u_short) ntohs(at_nr.nr_lastnet) < 2746 (u_short) ntohs(sat->sat_addr.s_net)) 2747 errx(1, "AppleTalk address is not in range"); 2748 *((struct netrange *) &sat->sat_zero) = at_nr; 2749 } 2750 2751 #define SNS(x) ((struct sockaddr_ns *) &(x)) 2752 struct sockaddr_ns *snstab[] = { 2753 SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 2754 SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 2755 2756 void 2757 xns_getaddr(addr, which) 2758 const char *addr; 2759 int which; 2760 { 2761 struct sockaddr_ns *sns = snstab[which]; 2762 2763 sns->sns_family = AF_NS; 2764 sns->sns_len = sizeof(*sns); 2765 sns->sns_addr = ns_addr(addr); 2766 if (which == MASK) 2767 puts("Attempt to set XNS netmask will be ineffectual"); 2768 } 2769 2770 #define SISO(x) ((struct sockaddr_iso *) &(x)) 2771 struct sockaddr_iso *sisotab[] = { 2772 SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 2773 SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 2774 2775 void 2776 iso_getaddr(addr, which) 2777 const char *addr; 2778 int which; 2779 { 2780 struct sockaddr_iso *siso = sisotab[which]; 2781 siso->siso_addr = *iso_addr(addr); 2782 2783 if (which == MASK) { 2784 siso->siso_len = TSEL(siso) - (caddr_t)(siso); 2785 siso->siso_nlen = 0; 2786 } else { 2787 siso->siso_len = sizeof(*siso); 2788 siso->siso_family = AF_ISO; 2789 } 2790 } 2791 2792 void 2793 setsnpaoffset(val, d) 2794 const char *val; 2795 int d; 2796 { 2797 iso_addreq.ifra_snpaoffset = atoi(val); 2798 } 2799 2800 void 2801 setnsellength(val, d) 2802 const char *val; 2803 int d; 2804 { 2805 nsellength = atoi(val); 2806 if (nsellength < 0) 2807 errx(1, "Negative NSEL length is absurd"); 2808 if (afp == 0 || afp->af_af != AF_ISO) 2809 errx(1, "Setting NSEL length valid only for iso"); 2810 } 2811 2812 void 2813 fixnsel(s) 2814 struct sockaddr_iso *s; 2815 { 2816 if (s->siso_family == 0) 2817 return; 2818 s->siso_tlen = nsellength; 2819 } 2820 2821 void 2822 adjust_nsellength() 2823 { 2824 fixnsel(sisotab[RIDADDR]); 2825 fixnsel(sisotab[ADDR]); 2826 fixnsel(sisotab[DSTADDR]); 2827 } 2828 2829 #endif /* INET_ONLY */ 2830 2831 void 2832 usage() 2833 { 2834 extern const char *__progname; 2835 2836 fprintf(stderr, 2837 "usage: %s [ -m ] [ -A ] " 2838 #ifdef INET6 2839 "[ -L ] " 2840 #endif 2841 "interface\n" 2842 "\t[ af [ address [ dest_addr ] ] [ up ] [ down ] " 2843 "[ netmask mask ] ]\n" 2844 "\t[ metric n ]\n" 2845 "\t[ mtu n ]\n" 2846 "\t[ nwid network_id ]\n" 2847 "\t[ nwkey network_key | -nwkey ]\n" 2848 "\t[ [ af ] tunnel src_addr dest_addr ]\n" 2849 "\t[ deletetunnel ]\n" 2850 "\t[ arp | -arp ]\n" 2851 "\t[ media mtype ]\n" 2852 "\t[ mediaopt mopts ]\n" 2853 "\t[ -mediaopt mopts ]\n" 2854 "\t[ instance minst ]\n" 2855 "\t[ vlan n vlanif i ]\n" 2856 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" 2857 " %s -a [ -A ] [ -m ] [ -d ] [ -u ] [ af ]\n" 2858 " %s -l [ -d ] [ -u ]\n" 2859 " %s interface create\n" 2860 " %s interface destroy\n", 2861 __progname, __progname, __progname, __progname, __progname); 2862 exit(1); 2863 } 2864 2865 #ifdef INET6 2866 char * 2867 sec2str(total) 2868 time_t total; 2869 { 2870 static char result[256]; 2871 int days, hours, mins, secs; 2872 int first = 1; 2873 char *p = result; 2874 2875 if (0) { /*XXX*/ 2876 days = total / 3600 / 24; 2877 hours = (total / 3600) % 24; 2878 mins = (total / 60) % 60; 2879 secs = total % 60; 2880 2881 if (days) { 2882 first = 0; 2883 p += sprintf(p, "%dd", days); 2884 } 2885 if (!first || hours) { 2886 first = 0; 2887 p += sprintf(p, "%dh", hours); 2888 } 2889 if (!first || mins) { 2890 first = 0; 2891 p += sprintf(p, "%dm", mins); 2892 } 2893 sprintf(p, "%ds", secs); 2894 } else 2895 sprintf(p, "%lu", (u_long)total); 2896 2897 return(result); 2898 } 2899 #endif 2900
Indexes created Tue Sep 30 17:09:57 GMT 2025