ifconfig.c revision 1.101
1 /* $NetBSD: ifconfig.c,v 1.101 2001/02/23 19:49:54 christos 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 1.101 2001/02/23 19:49:54 christos 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 setifpowersave __P((const char *, int)); 166 void setifpowersavesleep __P((const char *, int)); 167 void setifnetmask __P((const char *, int)); 168 void setifprefixlen __P((const char *, int)); 169 void setnsellength __P((const char *, int)); 170 void setsnpaoffset __P((const char *, int)); 171 void setatrange __P((const char *, int)); 172 void setatphase __P((const char *, int)); 173 void settunnel __P((const char *, const char *)); 174 void deletetunnel __P((const char *, int)); 175 #ifdef INET6 176 void setia6flags __P((const char *, int)); 177 void setia6pltime __P((const char *, int)); 178 void setia6vltime __P((const char *, int)); 179 void setia6lifetime __P((const char *, const char *)); 180 #endif 181 void checkatrange __P ((struct sockaddr_at *)); 182 void setmedia __P((const char *, int)); 183 void setmediaopt __P((const char *, int)); 184 void unsetmediaopt __P((const char *, int)); 185 void setmediainst __P((const char *, int)); 186 void clone_create __P((const char *, int)); 187 void clone_destroy __P((const char *, int)); 188 void fixnsel __P((struct sockaddr_iso *)); 189 void setvlan __P((const char *, int)); 190 void setvlanif __P((const char *, int)); 191 void unsetvlanif __P((const char *, int)); 192 int main __P((int, char *[])); 193 194 /* 195 * Media stuff. Whenever a media command is first performed, the 196 * currently select media is grabbed for this interface. If `media' 197 * is given, the current media word is modifed. `mediaopt' commands 198 * only modify the set and clear words. They then operate on the 199 * current media word later. 200 */ 201 int media_current; 202 int mediaopt_set; 203 int mediaopt_clear; 204 205 int actions; /* Actions performed */ 206 207 #define A_MEDIA 0x0001 /* media command */ 208 #define A_MEDIAOPTSET 0x0002 /* mediaopt command */ 209 #define A_MEDIAOPTCLR 0x0004 /* -mediaopt command */ 210 #define A_MEDIAOPT (A_MEDIAOPTSET|A_MEDIAOPTCLR) 211 #define A_MEDIAINST 0x0008 /* instance or inst command */ 212 213 #define NEXTARG 0xffffff 214 #define NEXTARG2 0xfffffe 215 216 const struct cmd { 217 const char *c_name; 218 int c_parameter; /* NEXTARG means next argv */ 219 int c_action; /* defered action */ 220 void (*c_func) __P((const char *, int)); 221 void (*c_func2) __P((const char *, const char *)); 222 } cmds[] = { 223 { "up", IFF_UP, 0, setifflags } , 224 { "down", -IFF_UP, 0, setifflags }, 225 { "trailers", -1, 0, notrailers }, 226 { "-trailers", 1, 0, notrailers }, 227 { "arp", -IFF_NOARP, 0, setifflags }, 228 { "-arp", IFF_NOARP, 0, setifflags }, 229 { "debug", IFF_DEBUG, 0, setifflags }, 230 { "-debug", -IFF_DEBUG, 0, setifflags }, 231 { "alias", IFF_UP, 0, notealias }, 232 { "-alias", -IFF_UP, 0, notealias }, 233 { "delete", -IFF_UP, 0, notealias }, 234 #ifdef notdef 235 #define EN_SWABIPS 0x1000 236 { "swabips", EN_SWABIPS, 0, setifflags }, 237 { "-swabips", -EN_SWABIPS, 0, setifflags }, 238 #endif 239 { "netmask", NEXTARG, 0, setifnetmask }, 240 { "metric", NEXTARG, 0, setifmetric }, 241 { "mtu", NEXTARG, 0, setifmtu }, 242 { "nwid", NEXTARG, 0, setifnwid }, 243 { "nwkey", NEXTARG, 0, setifnwkey }, 244 { "-nwkey", -1, 0, setifnwkey }, 245 { "powersave", 1, 0, setifpowersave }, 246 { "-powersave", 0, 0, setifpowersave }, 247 { "powersavesleep", NEXTARG, 0, setifpowersavesleep }, 248 { "broadcast", NEXTARG, 0, setifbroadaddr }, 249 { "ipdst", NEXTARG, 0, setifipdst }, 250 { "prefixlen", NEXTARG, 0, setifprefixlen}, 251 #ifdef INET6 252 { "anycast", IN6_IFF_ANYCAST, 0, setia6flags }, 253 { "-anycast", -IN6_IFF_ANYCAST, 0, setia6flags }, 254 { "tentative", IN6_IFF_TENTATIVE, 0, setia6flags }, 255 { "-tentative", -IN6_IFF_TENTATIVE, 0, setia6flags }, 256 { "pltime", NEXTARG, 0, setia6pltime }, 257 { "vltime", NEXTARG, 0, setia6vltime }, 258 #endif /*INET6*/ 259 #ifndef INET_ONLY 260 { "range", NEXTARG, 0, setatrange }, 261 { "phase", NEXTARG, 0, setatphase }, 262 { "snpaoffset", NEXTARG, 0, setsnpaoffset }, 263 { "nsellength", NEXTARG, 0, setnsellength }, 264 #endif /* INET_ONLY */ 265 { "tunnel", NEXTARG2, 0, NULL, 266 settunnel } , 267 { "deletetunnel", 0, 0, deletetunnel }, 268 { "vlan", NEXTARG, 0, setvlan } , 269 { "vlanif", NEXTARG, 0, setvlanif } , 270 { "-vlanif", 0, 0, unsetvlanif } , 271 { "deletetunnel", 0, 0, deletetunnel }, 272 #if 0 273 /* XXX `create' special-cased below */ 274 { "create", 0, 0, clone_create } , 275 #endif 276 { "destroy", 0, 0, clone_destroy } , 277 { "link0", IFF_LINK0, 0, setifflags } , 278 { "-link0", -IFF_LINK0, 0, setifflags } , 279 { "link1", IFF_LINK1, 0, setifflags } , 280 { "-link1", -IFF_LINK1, 0, setifflags } , 281 { "link2", IFF_LINK2, 0, setifflags } , 282 { "-link2", -IFF_LINK2, 0, setifflags } , 283 { "media", NEXTARG, A_MEDIA, setmedia }, 284 { "mediaopt", NEXTARG, A_MEDIAOPTSET, setmediaopt }, 285 { "-mediaopt", NEXTARG, A_MEDIAOPTCLR, unsetmediaopt }, 286 { "instance", NEXTARG, A_MEDIAINST, setmediainst }, 287 { "inst", NEXTARG, A_MEDIAINST, setmediainst }, 288 { 0, 0, 0, setifaddr }, 289 { 0, 0, 0, setifdstaddr }, 290 }; 291 292 void adjust_nsellength __P((void)); 293 int getinfo __P((struct ifreq *)); 294 int carrier __P((void)); 295 void getsock __P((int)); 296 void printall __P((void)); 297 void list_cloners __P((void)); 298 void printb __P((const char *, unsigned short, const char *)); 299 int prefix __P((void *, int)); 300 void status __P((const u_int8_t *, int)); 301 void usage __P((void)); 302 const char *get_string __P((const char *, const char *, u_int8_t *, int *)); 303 void print_string __P((const u_int8_t *, int)); 304 char *sec2str __P((time_t)); 305 306 const char *get_media_type_string __P((int)); 307 const char *get_media_subtype_string __P((int)); 308 int get_media_subtype __P((int, const char *)); 309 int get_media_options __P((int, const char *)); 310 int lookup_media_word __P((struct ifmedia_description *, int, 311 const char *)); 312 void print_media_word __P((int, int, int)); 313 void process_media_commands __P((void)); 314 void init_current_media __P((void)); 315 316 /* 317 * XNS support liberally adapted from code written at the University of 318 * Maryland principally by James O'Toole and Chris Torek. 319 */ 320 void in_alias __P((struct ifreq *)); 321 void in_status __P((int)); 322 void in_getaddr __P((const char *, int)); 323 void in_getprefix __P((const char *, int)); 324 #ifdef INET6 325 void in6_fillscopeid __P((struct sockaddr_in6 *sin6)); 326 void in6_alias __P((struct in6_ifreq *)); 327 void in6_status __P((int)); 328 void in6_getaddr __P((const char *, int)); 329 void in6_getprefix __P((const char *, int)); 330 #endif 331 void at_status __P((int)); 332 void at_getaddr __P((const char *, int)); 333 void xns_status __P((int)); 334 void xns_getaddr __P((const char *, int)); 335 void iso_status __P((int)); 336 void iso_getaddr __P((const char *, int)); 337 338 void ieee80211_status __P((void)); 339 void tunnel_status __P((void)); 340 void vlan_status __P((void)); 341 342 /* Known address families */ 343 struct afswtch { 344 const char *af_name; 345 short af_af; 346 void (*af_status) __P((int)); 347 void (*af_getaddr) __P((const char *, int)); 348 void (*af_getprefix) __P((const char *, int)); 349 u_long af_difaddr; 350 u_long af_aifaddr; 351 u_long af_gifaddr; 352 caddr_t af_ridreq; 353 caddr_t af_addreq; 354 } afs[] = { 355 #define C(x) ((caddr_t) &x) 356 { "inet", AF_INET, in_status, in_getaddr, in_getprefix, 357 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(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 C(in6_ridreq), C(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, C(addreq), C(addreq) }, 371 { "ns", AF_NS, xns_status, xns_getaddr, NULL, 372 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(addreq) }, 373 { "iso", AF_ISO, iso_status, iso_getaddr, NULL, 374 SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, SIOCGIFADDR_ISO, 375 C(iso_ridreq), C(iso_addreq) }, 376 #endif /* INET_ONLY */ 377 { 0, 0, 0, 0 } 378 }; 379 380 struct afswtch *afp; /*the address family being set or asked about*/ 381 382 struct afswtch *lookup_af __P((const char *)); 383 384 int 385 main(argc, argv) 386 int argc; 387 char *argv[]; 388 { 389 struct ifreq ifreq; 390 int ch; 391 392 /* Parse command-line options */ 393 aflag = mflag = 0; 394 while ((ch = getopt(argc, argv, "AabCdlmsu" 395 #ifdef INET6 396 "L" 397 #endif 398 )) != -1) { 399 switch (ch) { 400 case 'A': 401 Aflag = 1; 402 break; 403 404 case 'a': 405 aflag = 1; 406 break; 407 408 case 'b': 409 bflag = 1; 410 break; 411 412 413 case 'C': 414 Cflag = 1; 415 break; 416 417 case 'd': 418 dflag = 1; 419 break; 420 421 #ifdef INET6 422 case 'L': 423 Lflag = 1; 424 break; 425 #endif 426 427 case 'l': 428 lflag = 1; 429 break; 430 431 case 'm': 432 mflag = 1; 433 break; 434 435 case 's': 436 sflag = 1; 437 break; 438 439 case 'u': 440 uflag = 1; 441 break; 442 443 444 default: 445 usage(); 446 /* NOTREACHED */ 447 } 448 } 449 argc -= optind; 450 argv += optind; 451 452 /* 453 * -l means "list all interfaces", and is mutally exclusive with 454 * all other flags/commands. 455 * 456 * -C means "list all names of cloners", and it mutually exclusive 457 * with all other flags/commands. 458 * 459 * -a means "print status of all interfaces". 460 */ 461 if ((lflag || Cflag) && (aflag || mflag || Aflag || argc)) 462 usage(); 463 #ifdef INET6 464 if ((lflag || Cflag) && Lflag) 465 usage(); 466 #endif 467 if (lflag && Cflag) 468 usage(); 469 if (Cflag) { 470 if (argc) 471 usage(); 472 list_cloners(); 473 exit(0); 474 } 475 if (aflag || lflag) { 476 if (argc > 1) 477 usage(); 478 else if (argc == 1) { 479 afp = lookup_af(argv[0]); 480 if (afp == NULL) 481 usage(); 482 } 483 if (afp) 484 af = ifr.ifr_addr.sa_family = afp->af_af; 485 else 486 af = ifr.ifr_addr.sa_family = afs[0].af_af; 487 printall(); 488 exit(0); 489 } 490 491 /* Make sure there's an interface name. */ 492 if (argc < 1) 493 usage(); 494 (void) strncpy(name, argv[0], sizeof(name)); 495 argc--; argv++; 496 497 /* 498 * NOTE: We must special-case the `create' command right 499 * here as we would otherwise fail in getinfo(). 500 */ 501 if (argc > 0 && strcmp(argv[0], "create") == 0) { 502 clone_create(argv[0], 0); 503 argc--, argv++; 504 if (argc == 0) 505 exit(0); 506 } 507 508 /* Check for address family. */ 509 afp = NULL; 510 if (argc > 0) { 511 afp = lookup_af(argv[0]); 512 if (afp != NULL) { 513 argv++; 514 argc--; 515 } 516 } 517 518 /* Initialize af, just for use in getinfo(). */ 519 if (afp == NULL) 520 af = afs->af_af; 521 else 522 af = afp->af_af; 523 524 /* Get information about the interface. */ 525 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 526 if (getinfo(&ifr) < 0) 527 exit(1); 528 529 if (sflag) { 530 if (argc != 0) 531 usage(); 532 else 533 exit(carrier()); 534 } 535 536 /* No more arguments means interface status. */ 537 if (argc == 0) { 538 status(NULL, 0); 539 exit(0); 540 } 541 542 /* The following operations assume inet family as the default. */ 543 if (afp == NULL) 544 afp = afs; 545 af = ifr.ifr_addr.sa_family = afp->af_af; 546 547 #ifdef INET6 548 /* initialization */ 549 in6_addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; 550 in6_addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; 551 #endif 552 553 /* Process commands. */ 554 while (argc > 0) { 555 const struct cmd *p; 556 557 for (p = cmds; p->c_name; p++) 558 if (strcmp(argv[0], p->c_name) == 0) 559 break; 560 if (p->c_name == 0 && setaddr) { 561 if ((flags & IFF_POINTOPOINT) == 0) { 562 errx(1, "can't set destination address %s", 563 "on non-point-to-point link"); 564 } 565 p++; /* got src, do dst */ 566 } 567 if (p->c_func != NULL || p->c_func2 != NULL) { 568 if (p->c_parameter == NEXTARG) { 569 if (argc < 2) 570 errx(1, "'%s' requires argument", 571 p->c_name); 572 (*p->c_func)(argv[1], 0); 573 argc--, argv++; 574 } else if (p->c_parameter == NEXTARG2) { 575 if (argc < 3) 576 errx(1, "'%s' requires 2 arguments", 577 p->c_name); 578 (*p->c_func2)(argv[1], argv[2]); 579 argc -= 2, argv += 2; 580 } else 581 (*p->c_func)(argv[0], p->c_parameter); 582 actions |= p->c_action; 583 } 584 argc--, argv++; 585 } 586 587 /* Process any media commands that may have been issued. */ 588 process_media_commands(); 589 590 if (af == AF_INET6 && explicit_prefix == 0) { 591 /* 592 * Aggregatable address architecture defines all prefixes 593 * are 64. So, it is convenient to set prefixlen to 64 if 594 * it is not specified. 595 */ 596 setifprefixlen("64", 0); 597 /* in6_getprefix("64", MASK) if MASK is available here... */ 598 } 599 600 #ifndef INET_ONLY 601 if (af == AF_ISO) 602 adjust_nsellength(); 603 604 if (af == AF_APPLETALK) 605 checkatrange((struct sockaddr_at *) &addreq.ifra_addr); 606 607 if (setipdst && af==AF_NS) { 608 struct nsip_req rq; 609 int size = sizeof(rq); 610 611 rq.rq_ns = addreq.ifra_addr; 612 rq.rq_ip = addreq.ifra_dstaddr; 613 614 if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0) 615 warn("encapsulation routing"); 616 } 617 618 #endif /* INET_ONLY */ 619 620 if (clearaddr) { 621 (void) strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name); 622 if (ioctl(s, afp->af_difaddr, afp->af_ridreq) < 0) 623 err(1, "SIOCDIFADDR"); 624 } 625 if (newaddr > 0) { 626 (void) strncpy(afp->af_addreq, name, sizeof ifr.ifr_name); 627 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) < 0) 628 warn("SIOCAIFADDR"); 629 } 630 631 if (reset_if_flags) { 632 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 633 ifreq.ifr_flags = flags; 634 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) < 0) 635 err(1, "SIOCSIFFLAGS"); 636 } 637 exit(0); 638 } 639 640 struct afswtch * 641 lookup_af(cp) 642 const char *cp; 643 { 644 struct afswtch *a; 645 646 for (a = afs; a->af_name != NULL; a++) 647 if (strcmp(a->af_name, cp) == 0) 648 return (a); 649 return (NULL); 650 } 651 652 void 653 getsock(naf) 654 int naf; 655 { 656 static int oaf = -1; 657 658 if (oaf == naf) 659 return; 660 if (oaf != -1) 661 close(s); 662 s = socket(naf, SOCK_DGRAM, 0); 663 if (s < 0) 664 oaf = -1; 665 else 666 oaf = naf; 667 } 668 669 int 670 getinfo(ifr) 671 struct ifreq *ifr; 672 { 673 674 getsock(af); 675 if (s < 0) 676 err(1, "socket"); 677 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)ifr) < 0) { 678 warn("SIOCGIFFLAGS %s", ifr->ifr_name); 679 return (-1); 680 } 681 flags = ifr->ifr_flags; 682 if (ioctl(s, SIOCGIFMETRIC, (caddr_t)ifr) < 0) { 683 warn("SIOCGIFMETRIC %s", ifr->ifr_name); 684 metric = 0; 685 } else 686 metric = ifr->ifr_metric; 687 if (ioctl(s, SIOCGIFMTU, (caddr_t)ifr) < 0) 688 mtu = 0; 689 else 690 mtu = ifr->ifr_mtu; 691 return (0); 692 } 693 694 void 695 printall() 696 { 697 #ifdef HAVE_IFADDRS_H 698 struct ifaddrs *ifap, *ifa; 699 struct ifreq ifr; 700 const struct sockaddr_dl *sdl = NULL; 701 int idx; 702 char *p; 703 704 if (getifaddrs(&ifap) != 0) 705 err(1, "getifaddrs"); 706 p = NULL; 707 idx = 0; 708 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 709 memset(&ifr, 0, sizeof(ifr)); 710 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 711 if (sizeof(ifr.ifr_addr) >= ifa->ifa_addr->sa_len) { 712 memcpy(&ifr.ifr_addr, ifa->ifa_addr, 713 ifa->ifa_addr->sa_len); 714 } 715 716 if (ifa->ifa_addr->sa_family == AF_LINK) 717 sdl = (const struct sockaddr_dl *) ifa->ifa_addr; 718 if (p && strcmp(p, ifa->ifa_name) == 0) 719 continue; 720 (void) strncpy(name, ifa->ifa_name, sizeof(name)); 721 name[sizeof(name) - 1] = '\0'; 722 p = ifa->ifa_name; 723 724 if (getinfo(&ifr) < 0) 725 continue; 726 if (bflag && (ifa->ifa_flags & (IFF_POINTOPOINT|IFF_LOOPBACK))) 727 continue; 728 if (dflag && (ifa->ifa_flags & IFF_UP) != 0) 729 continue; 730 if (uflag && (ifa->ifa_flags & IFF_UP) == 0) 731 continue; 732 733 if (sflag && carrier()) 734 continue; 735 idx++; 736 /* 737 * Are we just listing the interfaces? 738 */ 739 if (lflag) { 740 if (idx > 1) 741 putchar(' '); 742 fputs(name, stdout); 743 continue; 744 } 745 746 if (sdl == NULL) { 747 status(NULL, 0); 748 } else { 749 status(LLADDR(sdl), sdl->sdl_alen); 750 sdl = NULL; 751 } 752 } 753 if (lflag) 754 putchar('\n'); 755 freeifaddrs(ifap); 756 #else 757 char inbuf[8192]; 758 const struct sockaddr_dl *sdl = NULL; 759 struct ifconf ifc; 760 struct ifreq ifreq, *ifr; 761 int i, siz, idx; 762 char ifrbuf[8192], *cp; 763 764 ifc.ifc_len = sizeof(inbuf); 765 ifc.ifc_buf = inbuf; 766 getsock(af); 767 if (s < 0) 768 err(1, "socket"); 769 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 770 err(1, "SIOCGIFCONF"); 771 ifreq.ifr_name[0] = '\0'; 772 for (i = 0, idx = 0; i < ifc.ifc_len; ) { 773 /* Copy the mininum ifreq into the buffer. */ 774 cp = ((caddr_t)ifc.ifc_req + i); 775 memcpy(ifrbuf, cp, sizeof(*ifr)); 776 777 /* Now compute the actual size of the ifreq. */ 778 ifr = (struct ifreq *)ifrbuf; 779 siz = ifr->ifr_addr.sa_len; 780 if (siz < sizeof(ifr->ifr_addr)) 781 siz = sizeof(ifr->ifr_addr); 782 siz += sizeof(ifr->ifr_name); 783 i += siz; 784 785 /* Now copy the whole thing. */ 786 if (sizeof(ifrbuf) < siz) 787 errx(1, "ifr too big"); 788 memcpy(ifrbuf, cp, siz); 789 790 if (ifr->ifr_addr.sa_family == AF_LINK) 791 sdl = (const struct sockaddr_dl *) &ifr->ifr_addr; 792 if (!strncmp(ifreq.ifr_name, ifr->ifr_name, 793 sizeof(ifr->ifr_name))) 794 continue; 795 (void) strncpy(name, ifr->ifr_name, sizeof(ifr->ifr_name)); 796 ifreq = *ifr; 797 798 if (getinfo(&ifreq) < 0) 799 continue; 800 if (bflag && (flags & (IFF_POINTOPOINT|IFF_LOOPBACK))) 801 continue; 802 if (dflag && (flags & IFF_UP) != 0) 803 continue; 804 if (uflag && (flags & IFF_UP) == 0) 805 continue; 806 807 if (sflag && carrier()) 808 continue; 809 idx++; 810 /* 811 * Are we just listing the interfaces? 812 */ 813 if (lflag) { 814 if (idx > 1) 815 putchar(' '); 816 fputs(name, stdout); 817 continue; 818 } 819 820 if (sdl == NULL) { 821 status(NULL, 0); 822 } else { 823 status(LLADDR(sdl), sdl->sdl_alen); 824 sdl = NULL; 825 } 826 } 827 if (lflag) 828 putchar('\n'); 829 #endif 830 } 831 832 void 833 list_cloners(void) 834 { 835 struct if_clonereq ifcr; 836 char *cp, *buf; 837 int idx; 838 839 memset(&ifcr, 0, sizeof(ifcr)); 840 841 getsock(AF_INET); 842 843 if (ioctl(s, SIOCIFGCLONERS, &ifcr) < 0) 844 err(1, "SIOCIFGCLONERS for count"); 845 846 buf = malloc(ifcr.ifcr_total * IFNAMSIZ); 847 if (buf == NULL) 848 err(1, "unable to allocate cloner name buffer"); 849 850 ifcr.ifcr_count = ifcr.ifcr_total; 851 ifcr.ifcr_buffer = buf; 852 853 if (ioctl(s, SIOCIFGCLONERS, &ifcr) < 0) 854 err(1, "SIOCIFGCLONERS for names"); 855 856 /* 857 * In case some disappeared in the mean time, clamp it down. 858 */ 859 if (ifcr.ifcr_count > ifcr.ifcr_total) 860 ifcr.ifcr_count = ifcr.ifcr_total; 861 862 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) { 863 if (idx > 0) 864 putchar(' '); 865 printf("%s", cp); 866 } 867 868 putchar('\n'); 869 free(buf); 870 return; 871 } 872 873 /*ARGSUSED*/ 874 void 875 clone_create(addr, param) 876 const char *addr; 877 int param; 878 { 879 880 /* We're called early... */ 881 getsock(AF_INET); 882 883 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 884 if (ioctl(s, SIOCIFCREATE, &ifr) < 0) 885 err(1, "SIOCIFCREATE"); 886 } 887 888 /*ARGSUSED*/ 889 void 890 clone_destroy(addr, param) 891 const char *addr; 892 int param; 893 { 894 895 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 896 if (ioctl(s, SIOCIFDESTROY, &ifr) < 0) 897 err(1, "SIOCIFDESTROY"); 898 } 899 900 #define RIDADDR 0 901 #define ADDR 1 902 #define MASK 2 903 #define DSTADDR 3 904 905 /*ARGSUSED*/ 906 void 907 setifaddr(addr, param) 908 const char *addr; 909 int param; 910 { 911 struct ifreq *ifr; /* XXX */ 912 913 /* 914 * Delay the ioctl to set the interface addr until flags are all set. 915 * The address interpretation may depend on the flags, 916 * and the flags may change when the address is set. 917 */ 918 setaddr++; 919 if (newaddr == -1) 920 newaddr = 1; 921 if (doalias == 0 && afp->af_gifaddr != 0) { 922 ifr = (struct ifreq *)afp->af_ridreq; 923 (void) strncpy(ifr->ifr_name, name, sizeof(ifr->ifr_name)); 924 ifr->ifr_addr.sa_family = afp->af_af; 925 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0) 926 clearaddr = 1; 927 else if (errno == EADDRNOTAVAIL) 928 /* No address was assigned yet. */ 929 ; 930 else 931 err(1, "SIOCGIFADDR"); 932 } 933 934 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 935 } 936 937 void 938 settunnel(src, dst) 939 const char *src, *dst; 940 { 941 struct addrinfo hints, *srcres, *dstres; 942 int ecode; 943 struct if_laddrreq req; 944 945 memset(&hints, 0, sizeof(hints)); 946 hints.ai_family = afp->af_af; 947 948 if ((ecode = getaddrinfo(src, NULL, NULL, &srcres)) != 0) 949 errx(1, "error in parsing address string: %s", 950 gai_strerror(ecode)); 951 952 if ((ecode = getaddrinfo(dst, NULL, NULL, &dstres)) != 0) 953 errx(1, "error in parsing address string: %s", 954 gai_strerror(ecode)); 955 956 if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family) 957 errx(1, 958 "source and destination address families do not match"); 959 960 if (srcres->ai_addrlen > sizeof(req.addr) || 961 dstres->ai_addrlen > sizeof(req.dstaddr)) 962 errx(1, "invalid sockaddr"); 963 964 memset(&req, 0, sizeof(req)); 965 strncpy(req.iflr_name, name, sizeof(req.iflr_name)); 966 memcpy(&req.addr, srcres->ai_addr, srcres->ai_addrlen); 967 memcpy(&req.dstaddr, dstres->ai_addr, dstres->ai_addrlen); 968 if (ioctl(s, SIOCSLIFPHYADDR, &req) < 0) 969 warn("SIOCSLIFPHYADDR"); 970 971 freeaddrinfo(srcres); 972 freeaddrinfo(dstres); 973 } 974 975 /* ARGSUSED */ 976 void 977 deletetunnel(vname, param) 978 const char *vname; 979 int param; 980 { 981 982 if (ioctl(s, SIOCDIFPHYADDR, &ifr) < 0) 983 err(1, "SIOCDIFPHYADDR"); 984 } 985 986 void setvlan(val, d) 987 const char *val; 988 int d; 989 { 990 struct vlanreq vlr; 991 992 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 993 !isdigit(ifr.ifr_name[4])) 994 errx(EXIT_FAILURE, 995 "``vlan'' valid only with vlan(4) interfaces"); 996 997 vlan_tag = atoi(val); 998 999 memset(&vlr, 0, sizeof(vlr)); 1000 ifr.ifr_data = (caddr_t)&vlr; 1001 1002 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1003 err(EXIT_FAILURE, "SIOCGETVLAN"); 1004 1005 vlr.vlr_tag = vlan_tag; 1006 1007 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1008 err(EXIT_FAILURE, "SIOCSETVLAN"); 1009 } 1010 1011 void setvlanif(val, d) 1012 const char *val; 1013 int d; 1014 { 1015 struct vlanreq vlr; 1016 1017 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1018 !isdigit(ifr.ifr_name[4])) 1019 errx(EXIT_FAILURE, 1020 "``vlanif'' valid only with vlan(4) interfaces"); 1021 1022 if (vlan_tag == (u_int)-1) 1023 errx(EXIT_FAILURE, 1024 "must specify both ``vlan'' and ``vlanif''"); 1025 1026 memset(&vlr, 0, sizeof(vlr)); 1027 ifr.ifr_data = (caddr_t)&vlr; 1028 1029 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1030 err(EXIT_FAILURE, "SIOCGETVLAN"); 1031 1032 strlcpy(vlr.vlr_parent, val, sizeof(vlr.vlr_parent)); 1033 vlr.vlr_tag = vlan_tag; 1034 1035 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1036 err(EXIT_FAILURE, "SIOCSETVLAN"); 1037 } 1038 1039 void unsetvlanif(val, d) 1040 const char *val; 1041 int d; 1042 { 1043 struct vlanreq vlr; 1044 1045 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1046 !isdigit(ifr.ifr_name[4])) 1047 errx(EXIT_FAILURE, 1048 "``vlanif'' valid only with vlan(4) interfaces"); 1049 1050 memset(&vlr, 0, sizeof(vlr)); 1051 ifr.ifr_data = (caddr_t)&vlr; 1052 1053 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1054 err(EXIT_FAILURE, "SIOCGETVLAN"); 1055 1056 vlr.vlr_parent[0] = '\0'; 1057 vlr.vlr_tag = 0; 1058 1059 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1060 err(EXIT_FAILURE, "SIOCSETVLAN"); 1061 } 1062 1063 void 1064 setifnetmask(addr, d) 1065 const char *addr; 1066 int d; 1067 { 1068 (*afp->af_getaddr)(addr, MASK); 1069 } 1070 1071 void 1072 setifbroadaddr(addr, d) 1073 const char *addr; 1074 int d; 1075 { 1076 (*afp->af_getaddr)(addr, DSTADDR); 1077 } 1078 1079 void 1080 setifipdst(addr, d) 1081 const char *addr; 1082 int d; 1083 { 1084 in_getaddr(addr, DSTADDR); 1085 setipdst++; 1086 clearaddr = 0; 1087 newaddr = 0; 1088 } 1089 1090 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 1091 /*ARGSUSED*/ 1092 void 1093 notealias(addr, param) 1094 const char *addr; 1095 int param; 1096 { 1097 if (setaddr && doalias == 0 && param < 0) 1098 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 1099 rqtosa(af_addreq)->sa_len); 1100 doalias = param; 1101 if (param < 0) { 1102 clearaddr = 1; 1103 newaddr = 0; 1104 } else 1105 clearaddr = 0; 1106 } 1107 1108 /*ARGSUSED*/ 1109 void 1110 notrailers(vname, value) 1111 const char *vname; 1112 int value; 1113 { 1114 puts("Note: trailers are no longer sent, but always received"); 1115 } 1116 1117 /*ARGSUSED*/ 1118 void 1119 setifdstaddr(addr, param) 1120 const char *addr; 1121 int param; 1122 { 1123 (*afp->af_getaddr)(addr, DSTADDR); 1124 } 1125 1126 void 1127 setifflags(vname, value) 1128 const char *vname; 1129 int value; 1130 { 1131 struct ifreq ifreq; 1132 1133 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 1134 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifreq) < 0) 1135 err(1, "SIOCGIFFLAGS"); 1136 flags = ifreq.ifr_flags; 1137 1138 if (value < 0) { 1139 value = -value; 1140 flags &= ~value; 1141 } else 1142 flags |= value; 1143 ifreq.ifr_flags = flags; 1144 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) < 0) 1145 err(1, "SIOCSIFFLAGS"); 1146 1147 reset_if_flags = 1; 1148 } 1149 1150 #ifdef INET6 1151 void 1152 setia6flags(vname, value) 1153 const char *vname; 1154 int value; 1155 { 1156 if (value < 0) { 1157 value = -value; 1158 in6_addreq.ifra_flags &= ~value; 1159 } else 1160 in6_addreq.ifra_flags |= value; 1161 } 1162 1163 void 1164 setia6pltime(val, d) 1165 const char *val; 1166 int d; 1167 { 1168 setia6lifetime("pltime", val); 1169 } 1170 1171 void 1172 setia6vltime(val, d) 1173 const char *val; 1174 int d; 1175 { 1176 setia6lifetime("vltime", val); 1177 } 1178 1179 void 1180 setia6lifetime(cmd, val) 1181 const char *cmd; 1182 const char *val; 1183 { 1184 time_t newval, t; 1185 char *ep; 1186 1187 t = time(NULL); 1188 newval = (time_t)strtoul(val, &ep, 0); 1189 if (val == ep) 1190 errx(1, "invalid %s", cmd); 1191 if (afp->af_af != AF_INET6) 1192 errx(1, "%s not allowed for the AF", cmd); 1193 if (strcmp(cmd, "vltime") == 0) { 1194 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 1195 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 1196 } else if (strcmp(cmd, "pltime") == 0) { 1197 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 1198 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 1199 } 1200 } 1201 #endif 1202 1203 void 1204 setifmetric(val, d) 1205 const char *val; 1206 int d; 1207 { 1208 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1209 ifr.ifr_metric = atoi(val); 1210 if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) < 0) 1211 warn("SIOCSIFMETRIC"); 1212 } 1213 1214 void 1215 setifmtu(val, d) 1216 const char *val; 1217 int d; 1218 { 1219 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1220 ifr.ifr_mtu = atoi(val); 1221 if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) < 0) 1222 warn("SIOCSIFMTU"); 1223 } 1224 1225 const char * 1226 get_string(val, sep, buf, lenp) 1227 const char *val, *sep; 1228 u_int8_t *buf; 1229 int *lenp; 1230 { 1231 int len; 1232 int hexstr; 1233 u_int8_t *p; 1234 1235 len = *lenp; 1236 p = buf; 1237 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 1238 if (hexstr) 1239 val += 2; 1240 for (;;) { 1241 if (*val == '\0') 1242 break; 1243 if (sep != NULL && strchr(sep, *val) != NULL) { 1244 val++; 1245 break; 1246 } 1247 if (hexstr) { 1248 if (!isxdigit((u_char)val[0]) || 1249 !isxdigit((u_char)val[1])) { 1250 warnx("bad hexadecimal digits"); 1251 return NULL; 1252 } 1253 } 1254 if (p > buf + len) { 1255 if (hexstr) 1256 warnx("hexadecimal digits too long"); 1257 else 1258 warnx("strings too long"); 1259 return NULL; 1260 } 1261 if (hexstr) { 1262 #define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 1263 *p++ = (tohex((u_char)val[0]) << 4) | 1264 tohex((u_char)val[1]); 1265 #undef tohex 1266 val += 2; 1267 } else 1268 *p++ = *val++; 1269 } 1270 len = p - buf; 1271 if (len < *lenp) 1272 memset(p, 0, *lenp - len); 1273 *lenp = len; 1274 return val; 1275 } 1276 1277 void 1278 print_string(buf, len) 1279 const u_int8_t *buf; 1280 int len; 1281 { 1282 int i; 1283 int hasspc; 1284 1285 i = 0; 1286 hasspc = 0; 1287 if (len < 2 || buf[0] != '0' || tolower(buf[1]) != 'x') { 1288 for (; i < len; i++) { 1289 if (!isprint(buf[i])) 1290 break; 1291 if (isspace(buf[i])) 1292 hasspc++; 1293 } 1294 } 1295 if (i == len) { 1296 if (hasspc || len == 0) 1297 printf("\"%.*s\"", len, buf); 1298 else 1299 printf("%.*s", len, buf); 1300 } else { 1301 printf("0x"); 1302 for (i = 0; i < len; i++) 1303 printf("%02x", buf[i]); 1304 } 1305 } 1306 1307 void 1308 setifnwid(val, d) 1309 const char *val; 1310 int d; 1311 { 1312 struct ieee80211_nwid nwid; 1313 int len; 1314 1315 len = sizeof(nwid.i_nwid); 1316 if (get_string(val, NULL, nwid.i_nwid, &len) == NULL) 1317 return; 1318 nwid.i_len = len; 1319 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1320 ifr.ifr_data = (caddr_t)&nwid; 1321 if (ioctl(s, SIOCS80211NWID, (caddr_t)&ifr) < 0) 1322 warn("SIOCS80211NWID"); 1323 } 1324 1325 void 1326 setifnwkey(val, d) 1327 const char *val; 1328 int d; 1329 { 1330 struct ieee80211_nwkey nwkey; 1331 int i; 1332 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1333 1334 nwkey.i_wepon = 1; 1335 nwkey.i_defkid = 1; 1336 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1337 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1338 nwkey.i_key[i].i_keydat = keybuf[i]; 1339 } 1340 if (d != 0) { 1341 /* disable WEP encryption */ 1342 nwkey.i_wepon = 0; 1343 i = 0; 1344 } else if (isdigit(val[0]) && val[1] == ':') { 1345 /* specifying a full set of four keys */ 1346 nwkey.i_defkid = val[0] - '0'; 1347 val += 2; 1348 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1349 val = get_string(val, ",", keybuf[i], 1350 &nwkey.i_key[i].i_keylen); 1351 if (val == NULL) 1352 return; 1353 } 1354 if (*val != '\0') { 1355 warnx("SIOCS80211NWKEY: too many keys."); 1356 return; 1357 } 1358 } else { 1359 val = get_string(val, NULL, keybuf[0], 1360 &nwkey.i_key[0].i_keylen); 1361 if (val == NULL) 1362 return; 1363 i = 1; 1364 } 1365 for (; i < IEEE80211_WEP_NKID; i++) 1366 nwkey.i_key[i].i_keylen = 0; 1367 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1368 if (ioctl(s, SIOCS80211NWKEY, (caddr_t)&nwkey) < 0) 1369 warn("SIOCS80211NWKEY"); 1370 } 1371 1372 void 1373 setifpowersave(val, d) 1374 const char *val; 1375 int d; 1376 { 1377 struct ieee80211_power power; 1378 1379 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1380 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) < 0) { 1381 warn("SIOCG80211POWER"); 1382 return; 1383 } 1384 1385 power.i_enabled = d; 1386 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) < 0) 1387 warn("SIOCS80211POWER"); 1388 } 1389 1390 void 1391 setifpowersavesleep(val, d) 1392 const char *val; 1393 int d; 1394 { 1395 struct ieee80211_power power; 1396 1397 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1398 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) < 0) { 1399 warn("SIOCG80211POWER"); 1400 return; 1401 } 1402 1403 power.i_maxsleep = atoi(val); 1404 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) < 0) 1405 warn("SIOCS80211POWER"); 1406 } 1407 1408 void 1409 ieee80211_status() 1410 { 1411 int i; 1412 struct ieee80211_nwid nwid; 1413 struct ieee80211_nwkey nwkey; 1414 struct ieee80211_power power; 1415 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1416 1417 memset(&ifr, 0, sizeof(ifr)); 1418 ifr.ifr_data = (caddr_t)&nwid; 1419 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1420 if (ioctl(s, SIOCG80211NWID, (caddr_t)&ifr) != 0) 1421 return; 1422 if (nwid.i_len > IEEE80211_NWID_LEN) { 1423 warnx("SIOCG80211NWID: wrong length of nwid (%d)", nwid.i_len); 1424 return; 1425 } 1426 printf("\tnwid "); 1427 print_string(nwid.i_nwid, nwid.i_len); 1428 memset(&nwkey, 0, sizeof(nwkey)); 1429 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1430 /* show nwkey only when WEP is enabled */ 1431 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) != 0 || 1432 nwkey.i_wepon == 0) { 1433 printf("\n"); 1434 goto skip_wep; 1435 } 1436 1437 printf(" nwkey "); 1438 /* try to retrieve WEP keys */ 1439 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1440 nwkey.i_key[i].i_keydat = keybuf[i]; 1441 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1442 } 1443 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) != 0) { 1444 printf("*****"); 1445 } else { 1446 if (nwkey.i_defkid != 1) { 1447 /* non default key or multiple keys defined */ 1448 i = 0; 1449 } else if (nwkey.i_key[0].i_keylen >= 2 && 1450 isdigit(nwkey.i_key[0].i_keydat[0]) && 1451 nwkey.i_key[0].i_keydat[1] == ':') { 1452 /* ambiguous */ 1453 i = 0; 1454 } else { 1455 for (i = 1; i < IEEE80211_WEP_NKID; i++) { 1456 if (nwkey.i_key[i].i_keylen != 0) 1457 break; 1458 } 1459 } 1460 if (i == IEEE80211_WEP_NKID) { 1461 /* only show the first key */ 1462 print_string(nwkey.i_key[0].i_keydat, 1463 nwkey.i_key[0].i_keylen); 1464 } else { 1465 printf("%d:", nwkey.i_defkid); 1466 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1467 if (i > 0) 1468 printf(","); 1469 print_string(nwkey.i_key[i].i_keydat, 1470 nwkey.i_key[i].i_keylen); 1471 } 1472 } 1473 } 1474 printf("\n"); 1475 1476 skip_wep: 1477 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1478 if (ioctl(s, SIOCG80211POWER, &power) != 0) 1479 return; 1480 printf("\tpowersave "); 1481 if (power.i_enabled) 1482 printf("on (%dms sleep)", power.i_maxsleep); 1483 else 1484 printf("off"); 1485 printf("\n"); 1486 } 1487 1488 void 1489 init_current_media() 1490 { 1491 struct ifmediareq ifmr; 1492 1493 /* 1494 * If we have not yet done so, grab the currently-selected 1495 * media. 1496 */ 1497 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1498 (void) memset(&ifmr, 0, sizeof(ifmr)); 1499 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1500 1501 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1502 /* 1503 * If we get E2BIG, the kernel is telling us 1504 * that there are more, so we can ignore it. 1505 */ 1506 if (errno != E2BIG) 1507 err(1, "SGIOCGIFMEDIA"); 1508 } 1509 1510 media_current = ifmr.ifm_current; 1511 } 1512 1513 /* Sanity. */ 1514 if (IFM_TYPE(media_current) == 0) 1515 errx(1, "%s: no link type?", name); 1516 } 1517 1518 void 1519 process_media_commands() 1520 { 1521 1522 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1523 /* Nothing to do. */ 1524 return; 1525 } 1526 1527 /* 1528 * Media already set up, and commands sanity-checked. Set/clear 1529 * any options, and we're ready to go. 1530 */ 1531 media_current |= mediaopt_set; 1532 media_current &= ~mediaopt_clear; 1533 1534 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1535 ifr.ifr_media = media_current; 1536 1537 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0) 1538 err(1, "SIOCSIFMEDIA"); 1539 } 1540 1541 void 1542 setmedia(val, d) 1543 const char *val; 1544 int d; 1545 { 1546 int type, subtype, inst; 1547 1548 init_current_media(); 1549 1550 /* Only one media command may be given. */ 1551 if (actions & A_MEDIA) 1552 errx(1, "only one `media' command may be issued"); 1553 1554 /* Must not come after mediaopt commands */ 1555 if (actions & A_MEDIAOPT) 1556 errx(1, "may not issue `media' after `mediaopt' commands"); 1557 1558 /* 1559 * No need to check if `instance' has been issued; setmediainst() 1560 * craps out if `media' has not been specified. 1561 */ 1562 1563 type = IFM_TYPE(media_current); 1564 inst = IFM_INST(media_current); 1565 1566 /* Look up the subtype. */ 1567 subtype = get_media_subtype(type, val); 1568 1569 /* Build the new current media word. */ 1570 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1571 1572 /* Media will be set after other processing is complete. */ 1573 } 1574 1575 void 1576 setmediaopt(val, d) 1577 const char *val; 1578 int d; 1579 { 1580 1581 init_current_media(); 1582 1583 /* Can only issue `mediaopt' once. */ 1584 if (actions & A_MEDIAOPTSET) 1585 errx(1, "only one `mediaopt' command may be issued"); 1586 1587 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1588 if (actions & A_MEDIAINST) 1589 errx(1, "may not issue `mediaopt' after `instance'"); 1590 1591 mediaopt_set = get_media_options(IFM_TYPE(media_current), val); 1592 1593 /* Media will be set after other processing is complete. */ 1594 } 1595 1596 void 1597 unsetmediaopt(val, d) 1598 const char *val; 1599 int d; 1600 { 1601 1602 init_current_media(); 1603 1604 /* Can only issue `-mediaopt' once. */ 1605 if (actions & A_MEDIAOPTCLR) 1606 errx(1, "only one `-mediaopt' command may be issued"); 1607 1608 /* May not issue `media' and `-mediaopt'. */ 1609 if (actions & A_MEDIA) 1610 errx(1, "may not issue both `media' and `-mediaopt'"); 1611 1612 /* 1613 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1614 * implicitly checks for A_MEDIAINST. 1615 */ 1616 1617 mediaopt_clear = get_media_options(IFM_TYPE(media_current), val); 1618 1619 /* Media will be set after other processing is complete. */ 1620 } 1621 1622 void 1623 setmediainst(val, d) 1624 const char *val; 1625 int d; 1626 { 1627 int type, subtype, options, inst; 1628 1629 init_current_media(); 1630 1631 /* Can only issue `instance' once. */ 1632 if (actions & A_MEDIAINST) 1633 errx(1, "only one `instance' command may be issued"); 1634 1635 /* Must have already specified `media' */ 1636 if ((actions & A_MEDIA) == 0) 1637 errx(1, "must specify `media' before `instance'"); 1638 1639 type = IFM_TYPE(media_current); 1640 subtype = IFM_SUBTYPE(media_current); 1641 options = IFM_OPTIONS(media_current); 1642 1643 inst = atoi(val); 1644 if (inst < 0 || inst > IFM_INST_MAX) 1645 errx(1, "invalid media instance: %s", val); 1646 1647 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1648 1649 /* Media will be set after other processing is complete. */ 1650 } 1651 1652 struct ifmedia_description ifm_type_descriptions[] = 1653 IFM_TYPE_DESCRIPTIONS; 1654 1655 struct ifmedia_description ifm_subtype_descriptions[] = 1656 IFM_SUBTYPE_DESCRIPTIONS; 1657 1658 struct ifmedia_description ifm_option_descriptions[] = 1659 IFM_OPTION_DESCRIPTIONS; 1660 1661 const char * 1662 get_media_type_string(mword) 1663 int mword; 1664 { 1665 struct ifmedia_description *desc; 1666 1667 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; 1668 desc++) { 1669 if (IFM_TYPE(mword) == desc->ifmt_word) 1670 return (desc->ifmt_string); 1671 } 1672 return ("<unknown type>"); 1673 } 1674 1675 const char * 1676 get_media_subtype_string(mword) 1677 int mword; 1678 { 1679 struct ifmedia_description *desc; 1680 1681 for (desc = ifm_subtype_descriptions; desc->ifmt_string != NULL; 1682 desc++) { 1683 if (IFM_TYPE_MATCH(desc->ifmt_word, mword) && 1684 IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(mword)) 1685 return (desc->ifmt_string); 1686 } 1687 return ("<unknown subtype>"); 1688 } 1689 1690 int 1691 get_media_subtype(type, val) 1692 int type; 1693 const char *val; 1694 { 1695 int rval; 1696 1697 rval = lookup_media_word(ifm_subtype_descriptions, type, val); 1698 if (rval == -1) 1699 errx(1, "unknown %s media subtype: %s", 1700 get_media_type_string(type), val); 1701 1702 return (rval); 1703 } 1704 1705 int 1706 get_media_options(type, val) 1707 int type; 1708 const char *val; 1709 { 1710 char *optlist, *str; 1711 int option, rval = 0; 1712 1713 /* We muck with the string, so copy it. */ 1714 optlist = strdup(val); 1715 if (optlist == NULL) 1716 err(1, "strdup"); 1717 str = optlist; 1718 1719 /* 1720 * Look up the options in the user-provided comma-separated list. 1721 */ 1722 for (; (str = strtok(str, ",")) != NULL; str = NULL) { 1723 option = lookup_media_word(ifm_option_descriptions, type, str); 1724 if (option == -1) 1725 errx(1, "unknown %s media option: %s", 1726 get_media_type_string(type), str); 1727 rval |= IFM_OPTIONS(option); 1728 } 1729 1730 free(optlist); 1731 return (rval); 1732 } 1733 1734 int 1735 lookup_media_word(desc, type, val) 1736 struct ifmedia_description *desc; 1737 int type; 1738 const char *val; 1739 { 1740 1741 for (; desc->ifmt_string != NULL; desc++) { 1742 if (IFM_TYPE_MATCH(desc->ifmt_word, type) && 1743 strcasecmp(desc->ifmt_string, val) == 0) 1744 return (desc->ifmt_word); 1745 } 1746 return (-1); 1747 } 1748 1749 void 1750 print_media_word(ifmw, print_type, as_syntax) 1751 int ifmw, print_type, as_syntax; 1752 { 1753 struct ifmedia_description *desc; 1754 int seen_option = 0; 1755 1756 if (print_type) 1757 printf("%s ", get_media_type_string(ifmw)); 1758 printf("%s%s", as_syntax ? "media " : "", 1759 get_media_subtype_string(ifmw)); 1760 1761 /* Find options. */ 1762 for (desc = ifm_option_descriptions; desc->ifmt_string != NULL; 1763 desc++) { 1764 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && 1765 (ifmw & IFM_OPTIONS(desc->ifmt_word)) != 0 && 1766 (seen_option & IFM_OPTIONS(desc->ifmt_word)) == 0) { 1767 if (seen_option == 0) 1768 printf(" %s", as_syntax ? "mediaopt " : ""); 1769 printf("%s%s", seen_option ? "," : "", 1770 desc->ifmt_string); 1771 seen_option |= IFM_OPTIONS(desc->ifmt_word); 1772 } 1773 } 1774 if (IFM_INST(ifmw) != 0) 1775 printf(" instance %d", IFM_INST(ifmw)); 1776 } 1777 1778 int carrier() 1779 { 1780 struct ifmediareq ifmr; 1781 1782 (void) memset(&ifmr, 0, sizeof(ifmr)); 1783 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1784 1785 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1786 /* 1787 * Interface doesn't support SIOC{G,S}IFMEDIA; 1788 * assume ok. 1789 */ 1790 return 0; 1791 } 1792 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1793 /* 1794 * Interface doesn't report media-valid status. 1795 * assume ok. 1796 */ 1797 return 0; 1798 } 1799 /* otherwise, return ok for active, not-ok if not active. */ 1800 return !(ifmr.ifm_status & IFM_ACTIVE); 1801 } 1802 1803 1804 #define IFFBITS \ 1805 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 1806 \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 1807 1808 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1809 1810 const struct ifmedia_status_description ifm_status_descriptions[] = 1811 IFM_STATUS_DESCRIPTIONS; 1812 1813 /* 1814 * Print the status of the interface. If an address family was 1815 * specified, show it and it only; otherwise, show them all. 1816 */ 1817 void 1818 status(ap, alen) 1819 const u_int8_t *ap; 1820 int alen; 1821 { 1822 struct afswtch *p = afp; 1823 struct ifmediareq ifmr; 1824 int *media_list, i; 1825 1826 printf("%s: ", name); 1827 printb("flags", flags, IFFBITS); 1828 if (metric) 1829 printf(" metric %d", metric); 1830 if (mtu) 1831 printf(" mtu %d", mtu); 1832 putchar('\n'); 1833 1834 ieee80211_status(); 1835 vlan_status(); 1836 tunnel_status(); 1837 1838 if (ap && alen > 0) { 1839 printf("\taddress:"); 1840 for (i = 0; i < alen; i++, ap++) 1841 printf("%c%02x", i > 0 ? ':' : ' ', *ap); 1842 putchar('\n'); 1843 } 1844 1845 (void) memset(&ifmr, 0, sizeof(ifmr)); 1846 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1847 1848 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1849 /* 1850 * Interface doesn't support SIOC{G,S}IFMEDIA. 1851 */ 1852 goto proto_status; 1853 } 1854 1855 if (ifmr.ifm_count == 0) { 1856 warnx("%s: no media types?", name); 1857 goto proto_status; 1858 } 1859 1860 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1861 if (media_list == NULL) 1862 err(1, "malloc"); 1863 ifmr.ifm_ulist = media_list; 1864 1865 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) 1866 err(1, "SIOCGIFMEDIA"); 1867 1868 printf("\tmedia: "); 1869 print_media_word(ifmr.ifm_current, 1, 0); 1870 if (ifmr.ifm_active != ifmr.ifm_current) { 1871 putchar(' '); 1872 putchar('('); 1873 print_media_word(ifmr.ifm_active, 0, 0); 1874 putchar(')'); 1875 } 1876 putchar('\n'); 1877 1878 if (ifmr.ifm_status & IFM_STATUS_VALID) { 1879 const struct ifmedia_status_description *ifms; 1880 int bitno, found = 0; 1881 1882 printf("\tstatus: "); 1883 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 1884 for (ifms = ifm_status_descriptions; 1885 ifms->ifms_valid != 0; ifms++) { 1886 if (ifms->ifms_type != 1887 IFM_TYPE(ifmr.ifm_current) || 1888 ifms->ifms_valid != 1889 ifm_status_valid_list[bitno]) 1890 continue; 1891 printf("%s%s", found ? ", " : "", 1892 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 1893 found = 1; 1894 1895 /* 1896 * For each valid indicator bit, there's 1897 * only one entry for each media type, so 1898 * terminate the inner loop now. 1899 */ 1900 break; 1901 } 1902 } 1903 1904 if (found == 0) 1905 printf("unknown"); 1906 putchar('\n'); 1907 } 1908 1909 if (mflag) { 1910 int type, printed_type; 1911 1912 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 1913 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 1914 if (IFM_TYPE(media_list[i]) == type) { 1915 if (printed_type == 0) { 1916 printf("\tsupported %s media:\n", 1917 get_media_type_string(type)); 1918 printed_type = 1; 1919 } 1920 printf("\t\t"); 1921 print_media_word(media_list[i], 0, 1); 1922 printf("\n"); 1923 } 1924 } 1925 } 1926 } 1927 1928 free(media_list); 1929 1930 proto_status: 1931 if ((p = afp) != NULL) { 1932 (*p->af_status)(1); 1933 } else for (p = afs; p->af_name; p++) { 1934 ifr.ifr_addr.sa_family = p->af_af; 1935 (*p->af_status)(0); 1936 } 1937 } 1938 1939 void 1940 tunnel_status() 1941 { 1942 char psrcaddr[NI_MAXHOST]; 1943 char pdstaddr[NI_MAXHOST]; 1944 const char *ver = ""; 1945 #ifdef NI_WITHSCOPEID 1946 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 1947 #else 1948 const int niflag = NI_NUMERICHOST; 1949 #endif 1950 struct if_laddrreq req; 1951 1952 psrcaddr[0] = pdstaddr[0] = '\0'; 1953 1954 memset(&req, 0, sizeof(req)); 1955 strncpy(req.iflr_name, name, IFNAMSIZ); 1956 if (ioctl(s, SIOCGLIFPHYADDR, (caddr_t)&req) < 0) 1957 return; 1958 #ifdef INET6 1959 if (req.addr.ss_family == AF_INET6) 1960 in6_fillscopeid((struct sockaddr_in6 *)&req.addr); 1961 #endif 1962 getnameinfo((struct sockaddr *)&req.addr, req.addr.ss_len, 1963 psrcaddr, sizeof(psrcaddr), 0, 0, niflag); 1964 #ifdef INET6 1965 if (req.addr.ss_family == AF_INET6) 1966 ver = "6"; 1967 #endif 1968 1969 #ifdef INET6 1970 if (req.dstaddr.ss_family == AF_INET6) 1971 in6_fillscopeid((struct sockaddr_in6 *)&req.dstaddr); 1972 #endif 1973 getnameinfo((struct sockaddr *)&req.dstaddr, req.dstaddr.ss_len, 1974 pdstaddr, sizeof(pdstaddr), 0, 0, niflag); 1975 1976 printf("\ttunnel inet%s %s --> %s\n", ver, psrcaddr, pdstaddr); 1977 } 1978 1979 void 1980 vlan_status() 1981 { 1982 struct vlanreq vlr; 1983 1984 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1985 !isdigit(ifr.ifr_name[4])) 1986 return; 1987 1988 memset(&vlr, 0, sizeof(vlr)); 1989 ifr.ifr_data = (caddr_t)&vlr; 1990 1991 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1992 return; 1993 1994 if (vlr.vlr_tag || vlr.vlr_parent[0] != '\0') 1995 printf("\tvlan: %d parent: %s\n", 1996 vlr.vlr_tag, vlr.vlr_parent[0] == '\0' ? 1997 "<none>" : vlr.vlr_parent); 1998 } 1999 2000 void 2001 in_alias(creq) 2002 struct ifreq *creq; 2003 { 2004 struct sockaddr_in *sin; 2005 int alias; 2006 2007 if (lflag) 2008 return; 2009 2010 alias = 1; 2011 2012 /* Get the non-alias address for this interface. */ 2013 getsock(AF_INET); 2014 if (s < 0) { 2015 if (errno == EPROTONOSUPPORT) 2016 return; 2017 err(1, "socket"); 2018 } 2019 (void) memset(&ifr, 0, sizeof(ifr)); 2020 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2021 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 2022 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2023 return; 2024 } else 2025 warn("SIOCGIFADDR"); 2026 } 2027 /* If creq and ifr are the same address, this is not an alias. */ 2028 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 2029 sizeof(creq->ifr_addr)) == 0) 2030 alias = 0; 2031 /* we print aliases only with -A */ 2032 if (alias && !Aflag) 2033 return; 2034 (void) memset(&addreq, 0, sizeof(addreq)); 2035 (void) strncpy(addreq.ifra_name, name, sizeof(addreq.ifra_name)); 2036 addreq.ifra_addr = creq->ifr_addr; 2037 if (ioctl(s, SIOCGIFALIAS, (caddr_t)&addreq) < 0) { 2038 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2039 return; 2040 } else 2041 warn("SIOCGIFALIAS"); 2042 } 2043 2044 sin = (struct sockaddr_in *)&addreq.ifra_addr; 2045 printf("\tinet %s%s", alias ? "alias " : "", inet_ntoa(sin->sin_addr)); 2046 2047 if (flags & IFF_POINTOPOINT) { 2048 sin = (struct sockaddr_in *)&addreq.ifra_dstaddr; 2049 printf(" -> %s", inet_ntoa(sin->sin_addr)); 2050 } 2051 2052 sin = (struct sockaddr_in *)&addreq.ifra_mask; 2053 printf(" netmask 0x%x", ntohl(sin->sin_addr.s_addr)); 2054 2055 if (flags & IFF_BROADCAST) { 2056 sin = (struct sockaddr_in *)&addreq.ifra_broadaddr; 2057 printf(" broadcast %s", inet_ntoa(sin->sin_addr)); 2058 } 2059 printf("\n"); 2060 } 2061 2062 void 2063 in_status(force) 2064 int force; 2065 { 2066 #ifdef HAVE_IFADDRS_H 2067 struct ifaddrs *ifap, *ifa; 2068 struct ifreq ifr; 2069 2070 if (getifaddrs(&ifap) != 0) 2071 err(1, "getifaddrs"); 2072 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2073 if (strcmp(name, ifa->ifa_name) != 0) 2074 continue; 2075 if (ifa->ifa_addr->sa_family != AF_INET) 2076 continue; 2077 if (sizeof(ifr.ifr_addr) < ifa->ifa_addr->sa_len) 2078 continue; 2079 2080 memset(&ifr, 0, sizeof(ifr)); 2081 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 2082 memcpy(&ifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2083 in_alias(&ifr); 2084 } 2085 freeifaddrs(ifap); 2086 #else 2087 char inbuf[8192]; 2088 struct ifconf ifc; 2089 struct ifreq *ifr; 2090 int i, siz; 2091 char ifrbuf[8192], *cp; 2092 2093 ifc.ifc_len = sizeof(inbuf); 2094 ifc.ifc_buf = inbuf; 2095 getsock(af); 2096 if (s < 0) 2097 err(1, "socket"); 2098 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 2099 err(1, "SIOCGIFCONF"); 2100 for (i = 0; i < ifc.ifc_len; ) { 2101 /* Copy the mininum ifreq into the buffer. */ 2102 cp = ((caddr_t)ifc.ifc_req + i); 2103 memcpy(ifrbuf, cp, sizeof(*ifr)); 2104 2105 /* Now compute the actual size of the ifreq. */ 2106 ifr = (struct ifreq *)ifrbuf; 2107 siz = ifr->ifr_addr.sa_len; 2108 if (siz < sizeof(ifr->ifr_addr)) 2109 siz = sizeof(ifr->ifr_addr); 2110 siz += sizeof(ifr->ifr_name); 2111 i += siz; 2112 2113 /* Now copy the whole thing. */ 2114 if (sizeof(ifrbuf) < siz) 2115 errx(1, "ifr too big"); 2116 memcpy(ifrbuf, cp, siz); 2117 2118 if (!strncmp(name, ifr->ifr_name, sizeof(ifr->ifr_name))) { 2119 if (ifr->ifr_addr.sa_family == AF_INET) 2120 in_alias(ifr); 2121 } 2122 } 2123 #endif 2124 } 2125 2126 void 2127 setifprefixlen(addr, d) 2128 const char *addr; 2129 int d; 2130 { 2131 if (*afp->af_getprefix) 2132 (*afp->af_getprefix)(addr, MASK); 2133 explicit_prefix = 1; 2134 } 2135 2136 #ifdef INET6 2137 void 2138 in6_fillscopeid(sin6) 2139 struct sockaddr_in6 *sin6; 2140 { 2141 #if defined(__KAME__) && defined(KAME_SCOPEID) 2142 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 2143 sin6->sin6_scope_id = 2144 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 2145 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 2146 } 2147 #endif 2148 } 2149 2150 /* XXX not really an alias */ 2151 void 2152 in6_alias(creq) 2153 struct in6_ifreq *creq; 2154 { 2155 struct sockaddr_in6 *sin6; 2156 char hbuf[NI_MAXHOST]; 2157 u_int32_t scopeid; 2158 #ifdef NI_WITHSCOPEID 2159 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 2160 #else 2161 const int niflag = NI_NUMERICHOST; 2162 #endif 2163 2164 /* Get the non-alias address for this interface. */ 2165 getsock(AF_INET6); 2166 if (s < 0) { 2167 if (errno == EPROTONOSUPPORT) 2168 return; 2169 err(1, "socket"); 2170 } 2171 2172 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 2173 2174 in6_fillscopeid(sin6); 2175 scopeid = sin6->sin6_scope_id; 2176 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2177 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2178 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2179 printf("\tinet6 %s", hbuf); 2180 2181 if (flags & IFF_POINTOPOINT) { 2182 (void) memset(&ifr6, 0, sizeof(ifr6)); 2183 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2184 ifr6.ifr_addr = creq->ifr_addr; 2185 if (ioctl(s, SIOCGIFDSTADDR_IN6, (caddr_t)&ifr6) < 0) { 2186 if (errno != EADDRNOTAVAIL) 2187 warn("SIOCGIFDSTADDR_IN6"); 2188 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 2189 ifr6.ifr_addr.sin6_family = AF_INET6; 2190 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 2191 } 2192 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2193 in6_fillscopeid(sin6); 2194 hbuf[0] = '\0'; 2195 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2196 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2197 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2198 printf(" -> %s", hbuf); 2199 } 2200 2201 (void) memset(&ifr6, 0, sizeof(ifr6)); 2202 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2203 ifr6.ifr_addr = creq->ifr_addr; 2204 if (ioctl(s, SIOCGIFNETMASK_IN6, (caddr_t)&ifr6) < 0) { 2205 if (errno != EADDRNOTAVAIL) 2206 warn("SIOCGIFNETMASK_IN6"); 2207 } else { 2208 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2209 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 2210 sizeof(struct in6_addr))); 2211 } 2212 2213 (void) memset(&ifr6, 0, sizeof(ifr6)); 2214 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2215 ifr6.ifr_addr = creq->ifr_addr; 2216 if (ioctl(s, SIOCGIFAFLAG_IN6, (caddr_t)&ifr6) < 0) { 2217 if (errno != EADDRNOTAVAIL) 2218 warn("SIOCGIFAFLAG_IN6"); 2219 } else { 2220 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 2221 printf(" anycast"); 2222 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 2223 printf(" tentative"); 2224 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 2225 printf(" duplicated"); 2226 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 2227 printf(" detached"); 2228 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DEPRECATED) 2229 printf(" deprecated"); 2230 } 2231 2232 if (scopeid) 2233 printf(" scopeid 0x%x", scopeid); 2234 2235 if (Lflag) { 2236 struct in6_addrlifetime *lifetime; 2237 (void) memset(&ifr6, 0, sizeof(ifr6)); 2238 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2239 ifr6.ifr_addr = creq->ifr_addr; 2240 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 2241 if (ioctl(s, SIOCGIFALIFETIME_IN6, (caddr_t)&ifr6) < 0) { 2242 if (errno != EADDRNOTAVAIL) 2243 warn("SIOCGIFALIFETIME_IN6"); 2244 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 2245 time_t t = time(NULL); 2246 printf(" pltime "); 2247 if (lifetime->ia6t_preferred) { 2248 printf("%s", lifetime->ia6t_preferred < t 2249 ? "0" 2250 : sec2str(lifetime->ia6t_preferred - t)); 2251 } else 2252 printf("infty"); 2253 2254 printf(" vltime "); 2255 if (lifetime->ia6t_expire) { 2256 printf("%s", lifetime->ia6t_expire < t 2257 ? "0" 2258 : sec2str(lifetime->ia6t_expire - t)); 2259 } else 2260 printf("infty"); 2261 } 2262 } 2263 2264 printf("\n"); 2265 } 2266 2267 void 2268 in6_status(force) 2269 int force; 2270 { 2271 #ifdef HAVE_IFADDRS_H 2272 struct ifaddrs *ifap, *ifa; 2273 struct in6_ifreq ifr; 2274 2275 if (getifaddrs(&ifap) != 0) 2276 err(1, "getifaddrs"); 2277 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2278 if (strcmp(name, ifa->ifa_name) != 0) 2279 continue; 2280 if (ifa->ifa_addr->sa_family != AF_INET6) 2281 continue; 2282 if (sizeof(ifr.ifr_addr) < ifa->ifa_addr->sa_len) 2283 continue; 2284 2285 memset(&ifr, 0, sizeof(ifr)); 2286 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 2287 memcpy(&ifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2288 in6_alias(&ifr); 2289 } 2290 freeifaddrs(ifap); 2291 #else 2292 char inbuf[8192]; 2293 struct ifconf ifc; 2294 struct ifreq *ifr; 2295 int i, siz; 2296 char ifrbuf[8192], *cp; 2297 2298 ifc.ifc_len = sizeof(inbuf); 2299 ifc.ifc_buf = inbuf; 2300 getsock(af); 2301 if (s < 0) 2302 err(1, "socket"); 2303 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 2304 err(1, "SIOCGIFCONF"); 2305 for (i = 0; i < ifc.ifc_len; ) { 2306 /* Copy the mininum ifreq into the buffer. */ 2307 cp = ((caddr_t)ifc.ifc_req + i); 2308 memcpy(ifrbuf, cp, sizeof(*ifr)); 2309 2310 /* Now compute the actual size of the ifreq. */ 2311 ifr = (struct ifreq *)ifrbuf; 2312 siz = ifr->ifr_addr.sa_len; 2313 if (siz < sizeof(ifr->ifr_addr)) 2314 siz = sizeof(ifr->ifr_addr); 2315 siz += sizeof(ifr->ifr_name); 2316 i += siz; 2317 2318 /* Now copy the whole thing. */ 2319 if (sizeof(ifrbuf) < siz) 2320 errx(1, "ifr too big"); 2321 memcpy(ifrbuf, cp, siz); 2322 2323 if (!strncmp(name, ifr->ifr_name, sizeof(ifr->ifr_name))) { 2324 if (ifr->ifr_addr.sa_family == AF_INET6) 2325 in6_alias((struct in6_ifreq *)ifr); 2326 } 2327 } 2328 #endif 2329 } 2330 #endif /*INET6*/ 2331 2332 #ifndef INET_ONLY 2333 2334 void 2335 at_status(force) 2336 int force; 2337 { 2338 struct sockaddr_at *sat, null_sat; 2339 struct netrange *nr; 2340 2341 getsock(AF_APPLETALK); 2342 if (s < 0) { 2343 if (errno == EPROTONOSUPPORT) 2344 return; 2345 err(1, "socket"); 2346 } 2347 (void) memset(&ifr, 0, sizeof(ifr)); 2348 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2349 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 2350 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2351 if (!force) 2352 return; 2353 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2354 } else 2355 warn("SIOCGIFADDR"); 2356 } 2357 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2358 sat = (struct sockaddr_at *)&ifr.ifr_addr; 2359 2360 (void) memset(&null_sat, 0, sizeof(null_sat)); 2361 2362 nr = (struct netrange *) &sat->sat_zero; 2363 printf("\tatalk %d.%d range %d-%d phase %d", 2364 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2365 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 2366 if (flags & IFF_POINTOPOINT) { 2367 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 2368 if (errno == EADDRNOTAVAIL) 2369 (void) memset(&ifr.ifr_addr, 0, 2370 sizeof(ifr.ifr_addr)); 2371 else 2372 warn("SIOCGIFDSTADDR"); 2373 } 2374 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2375 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 2376 if (!sat) 2377 sat = &null_sat; 2378 printf("--> %d.%d", 2379 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 2380 } 2381 if (flags & IFF_BROADCAST) { 2382 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 2383 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 2384 if (sat) 2385 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 2386 sat->sat_addr.s_node); 2387 } 2388 putchar('\n'); 2389 } 2390 2391 void 2392 xns_status(force) 2393 int force; 2394 { 2395 struct sockaddr_ns *sns; 2396 2397 getsock(AF_NS); 2398 if (s < 0) { 2399 if (errno == EPROTONOSUPPORT) 2400 return; 2401 err(1, "socket"); 2402 } 2403 (void) memset(&ifr, 0, sizeof(ifr)); 2404 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2405 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 2406 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2407 if (!force) 2408 return; 2409 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2410 } else 2411 warn("SIOCGIFADDR"); 2412 } 2413 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2414 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 2415 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 2416 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 2417 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 2418 if (errno == EADDRNOTAVAIL) 2419 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2420 else 2421 warn("SIOCGIFDSTADDR"); 2422 } 2423 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2424 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 2425 printf("--> %s ", ns_ntoa(sns->sns_addr)); 2426 } 2427 putchar('\n'); 2428 } 2429 2430 void 2431 iso_status(force) 2432 int force; 2433 { 2434 struct sockaddr_iso *siso; 2435 struct iso_ifreq ifr; 2436 2437 getsock(AF_ISO); 2438 if (s < 0) { 2439 if (errno == EPROTONOSUPPORT) 2440 return; 2441 err(1, "socket"); 2442 } 2443 (void) memset(&ifr, 0, sizeof(ifr)); 2444 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2445 if (ioctl(s, SIOCGIFADDR_ISO, (caddr_t)&ifr) < 0) { 2446 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2447 if (!force) 2448 return; 2449 (void) memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2450 } else 2451 warn("SIOCGIFADDR_ISO"); 2452 } 2453 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2454 siso = &ifr.ifr_Addr; 2455 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 2456 if (ioctl(s, SIOCGIFNETMASK_ISO, (caddr_t)&ifr) < 0) { 2457 if (errno == EADDRNOTAVAIL) 2458 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2459 else 2460 warn("SIOCGIFNETMASK_ISO"); 2461 } else { 2462 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 2463 siso->siso_addr.isoa_len = siso->siso_len 2464 - offsetof(struct sockaddr_iso, siso_addr); 2465 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 2466 } 2467 if (flags & IFF_POINTOPOINT) { 2468 if (ioctl(s, SIOCGIFDSTADDR_ISO, (caddr_t)&ifr) < 0) { 2469 if (errno == EADDRNOTAVAIL) 2470 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2471 else 2472 warn("SIOCGIFDSTADDR_ISO"); 2473 } 2474 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2475 siso = &ifr.ifr_Addr; 2476 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 2477 } 2478 putchar('\n'); 2479 } 2480 2481 #endif /* INET_ONLY */ 2482 2483 #define SIN(x) ((struct sockaddr_in *) &(x)) 2484 struct sockaddr_in *sintab[] = { 2485 SIN(ridreq.ifr_addr), SIN(addreq.ifra_addr), 2486 SIN(addreq.ifra_mask), SIN(addreq.ifra_broadaddr)}; 2487 2488 void 2489 in_getaddr(s, which) 2490 const char *s; 2491 int which; 2492 { 2493 struct sockaddr_in *sin = sintab[which]; 2494 struct hostent *hp; 2495 struct netent *np; 2496 2497 sin->sin_len = sizeof(*sin); 2498 if (which != MASK) 2499 sin->sin_family = AF_INET; 2500 2501 if (which == ADDR) { 2502 char *p = NULL; 2503 if ((p = strrchr(s, '/')) != NULL) { 2504 *p = '\0'; 2505 in_getprefix(p + 1, MASK); 2506 } 2507 } 2508 2509 if (inet_aton(s, &sin->sin_addr) == 0) { 2510 if ((hp = gethostbyname(s)) != NULL) 2511 (void) memcpy(&sin->sin_addr, hp->h_addr, hp->h_length); 2512 else if ((np = getnetbyname(s)) != NULL) 2513 sin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 2514 else 2515 errx(1, "%s: bad value", s); 2516 } 2517 } 2518 2519 void 2520 in_getprefix(plen, which) 2521 const char *plen; 2522 int which; 2523 { 2524 register struct sockaddr_in *sin = sintab[which]; 2525 register u_char *cp; 2526 int len = strtol(plen, (char **)NULL, 10); 2527 2528 if ((len < 0) || (len > 32)) 2529 errx(1, "%s: bad value", plen); 2530 sin->sin_len = sizeof(*sin); 2531 if (which != MASK) 2532 sin->sin_family = AF_INET; 2533 if ((len == 0) || (len == 32)) { 2534 memset(&sin->sin_addr, 0xff, sizeof(struct in_addr)); 2535 return; 2536 } 2537 memset((void *)&sin->sin_addr, 0x00, sizeof(sin->sin_addr)); 2538 for (cp = (u_char *)&sin->sin_addr; len > 7; len -= 8) 2539 *cp++ = 0xff; 2540 *cp = 0xff << (8 - len); 2541 } 2542 2543 /* 2544 * Print a value a la the %b format of the kernel's printf 2545 */ 2546 void 2547 printb(s, v, bits) 2548 const char *s; 2549 unsigned short v; 2550 const char *bits; 2551 { 2552 int i, any = 0; 2553 char c; 2554 2555 if (bits && *bits == 8) 2556 printf("%s=%o", s, v); 2557 else 2558 printf("%s=%x", s, v); 2559 bits++; 2560 if (bits) { 2561 putchar('<'); 2562 while ((i = *bits++) != 0) { 2563 if (v & (1 << (i-1))) { 2564 if (any) 2565 putchar(','); 2566 any = 1; 2567 for (; (c = *bits) > 32; bits++) 2568 putchar(c); 2569 } else 2570 for (; *bits > 32; bits++) 2571 ; 2572 } 2573 putchar('>'); 2574 } 2575 } 2576 2577 #ifdef INET6 2578 #define SIN6(x) ((struct sockaddr_in6 *) &(x)) 2579 struct sockaddr_in6 *sin6tab[] = { 2580 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 2581 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 2582 2583 void 2584 in6_getaddr(s, which) 2585 const char *s; 2586 int which; 2587 { 2588 #if defined(__KAME__) && defined(KAME_SCOPEID) 2589 struct sockaddr_in6 *sin6 = sin6tab[which]; 2590 struct addrinfo hints, *res; 2591 int error; 2592 2593 memset(&hints, 0, sizeof(hints)); 2594 hints.ai_family = AF_INET6; 2595 hints.ai_socktype = SOCK_DGRAM; 2596 #if 0 /* in_getaddr() allows FQDN */ 2597 hints.ai_flags = AI_NUMERICHOST; 2598 #endif 2599 error = getaddrinfo(s, "0", &hints, &res); 2600 if (error) 2601 errx(1, "%s: %s", s, gai_strerror(error)); 2602 if (res->ai_next) 2603 errx(1, "%s: resolved to multiple hosts", s); 2604 if (res->ai_addrlen != sizeof(struct sockaddr_in6)) 2605 errx(1, "%s: bad value", s); 2606 memcpy(sin6, res->ai_addr, res->ai_addrlen); 2607 freeaddrinfo(res); 2608 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) { 2609 *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = 2610 htons(sin6->sin6_scope_id); 2611 sin6->sin6_scope_id = 0; 2612 } 2613 #else 2614 struct sockaddr_in6 *sin = sin6tab[which]; 2615 2616 sin->sin6_len = sizeof(*sin); 2617 if (which != MASK) 2618 sin->sin6_family = AF_INET6; 2619 2620 if (which == ADDR) { 2621 char *p = NULL; 2622 if((p = strrchr(s, '/')) != NULL) { 2623 *p = '\0'; 2624 in6_getprefix(p + 1, MASK); 2625 explicit_prefix = 1; 2626 } 2627 } 2628 2629 if (inet_pton(AF_INET6, s, &sin->sin6_addr) != 1) 2630 errx(1, "%s: bad value", s); 2631 #endif 2632 } 2633 2634 void 2635 in6_getprefix(plen, which) 2636 const char *plen; 2637 int which; 2638 { 2639 register struct sockaddr_in6 *sin = sin6tab[which]; 2640 register u_char *cp; 2641 int len = strtol(plen, (char **)NULL, 10); 2642 2643 if ((len < 0) || (len > 128)) 2644 errx(1, "%s: bad value", plen); 2645 sin->sin6_len = sizeof(*sin); 2646 if (which != MASK) 2647 sin->sin6_family = AF_INET6; 2648 if ((len == 0) || (len == 128)) { 2649 memset(&sin->sin6_addr, 0xff, sizeof(struct in6_addr)); 2650 return; 2651 } 2652 memset((void *)&sin->sin6_addr, 0x00, sizeof(sin->sin6_addr)); 2653 for (cp = (u_char *)&sin->sin6_addr; len > 7; len -= 8) 2654 *cp++ = 0xff; 2655 *cp = 0xff << (8 - len); 2656 } 2657 2658 int 2659 prefix(val, size) 2660 void *val; 2661 int size; 2662 { 2663 register u_char *name = (u_char *)val; 2664 register int byte, bit, plen = 0; 2665 2666 for (byte = 0; byte < size; byte++, plen += 8) 2667 if (name[byte] != 0xff) 2668 break; 2669 if (byte == size) 2670 return (plen); 2671 for (bit = 7; bit != 0; bit--, plen++) 2672 if (!(name[byte] & (1 << bit))) 2673 break; 2674 for (; bit != 0; bit--) 2675 if (name[byte] & (1 << bit)) 2676 return(0); 2677 byte++; 2678 for (; byte < size; byte++) 2679 if (name[byte]) 2680 return(0); 2681 return (plen); 2682 } 2683 #endif /*INET6*/ 2684 2685 #ifndef INET_ONLY 2686 void 2687 at_getaddr(addr, which) 2688 const char *addr; 2689 int which; 2690 { 2691 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 2692 u_int net, node; 2693 2694 sat->sat_family = AF_APPLETALK; 2695 sat->sat_len = sizeof(*sat); 2696 if (which == MASK) 2697 errx(1, "AppleTalk does not use netmasks\n"); 2698 if (sscanf(addr, "%u.%u", &net, &node) != 2 2699 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 2700 errx(1, "%s: illegal address", addr); 2701 sat->sat_addr.s_net = htons(net); 2702 sat->sat_addr.s_node = node; 2703 } 2704 2705 void 2706 setatrange(range, d) 2707 const char *range; 2708 int d; 2709 { 2710 u_short first = 123, last = 123; 2711 2712 if (sscanf(range, "%hu-%hu", &first, &last) != 2 2713 || first == 0 || first > 0xffff 2714 || last == 0 || last > 0xffff || first > last) 2715 errx(1, "%s: illegal net range: %u-%u", range, first, last); 2716 at_nr.nr_firstnet = htons(first); 2717 at_nr.nr_lastnet = htons(last); 2718 } 2719 2720 void 2721 setatphase(phase, d) 2722 const char *phase; 2723 int d; 2724 { 2725 if (!strcmp(phase, "1")) 2726 at_nr.nr_phase = 1; 2727 else if (!strcmp(phase, "2")) 2728 at_nr.nr_phase = 2; 2729 else 2730 errx(1, "%s: illegal phase", phase); 2731 } 2732 2733 void 2734 checkatrange(sat) 2735 struct sockaddr_at *sat; 2736 { 2737 if (at_nr.nr_phase == 0) 2738 at_nr.nr_phase = 2; /* Default phase 2 */ 2739 if (at_nr.nr_firstnet == 0) 2740 at_nr.nr_firstnet = /* Default range of one */ 2741 at_nr.nr_lastnet = sat->sat_addr.s_net; 2742 printf("\tatalk %d.%d range %d-%d phase %d\n", 2743 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2744 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 2745 if ((u_short) ntohs(at_nr.nr_firstnet) > 2746 (u_short) ntohs(sat->sat_addr.s_net) 2747 || (u_short) ntohs(at_nr.nr_lastnet) < 2748 (u_short) ntohs(sat->sat_addr.s_net)) 2749 errx(1, "AppleTalk address is not in range"); 2750 *((struct netrange *) &sat->sat_zero) = at_nr; 2751 } 2752 2753 #define SNS(x) ((struct sockaddr_ns *) &(x)) 2754 struct sockaddr_ns *snstab[] = { 2755 SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 2756 SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 2757 2758 void 2759 xns_getaddr(addr, which) 2760 const char *addr; 2761 int which; 2762 { 2763 struct sockaddr_ns *sns = snstab[which]; 2764 2765 sns->sns_family = AF_NS; 2766 sns->sns_len = sizeof(*sns); 2767 sns->sns_addr = ns_addr(addr); 2768 if (which == MASK) 2769 puts("Attempt to set XNS netmask will be ineffectual"); 2770 } 2771 2772 #define SISO(x) ((struct sockaddr_iso *) &(x)) 2773 struct sockaddr_iso *sisotab[] = { 2774 SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 2775 SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 2776 2777 void 2778 iso_getaddr(addr, which) 2779 const char *addr; 2780 int which; 2781 { 2782 struct sockaddr_iso *siso = sisotab[which]; 2783 siso->siso_addr = *iso_addr(addr); 2784 2785 if (which == MASK) { 2786 siso->siso_len = TSEL(siso) - (caddr_t)(siso); 2787 siso->siso_nlen = 0; 2788 } else { 2789 siso->siso_len = sizeof(*siso); 2790 siso->siso_family = AF_ISO; 2791 } 2792 } 2793 2794 void 2795 setsnpaoffset(val, d) 2796 const char *val; 2797 int d; 2798 { 2799 iso_addreq.ifra_snpaoffset = atoi(val); 2800 } 2801 2802 void 2803 setnsellength(val, d) 2804 const char *val; 2805 int d; 2806 { 2807 nsellength = atoi(val); 2808 if (nsellength < 0) 2809 errx(1, "Negative NSEL length is absurd"); 2810 if (afp == 0 || afp->af_af != AF_ISO) 2811 errx(1, "Setting NSEL length valid only for iso"); 2812 } 2813 2814 void 2815 fixnsel(s) 2816 struct sockaddr_iso *s; 2817 { 2818 if (s->siso_family == 0) 2819 return; 2820 s->siso_tlen = nsellength; 2821 } 2822 2823 void 2824 adjust_nsellength() 2825 { 2826 fixnsel(sisotab[RIDADDR]); 2827 fixnsel(sisotab[ADDR]); 2828 fixnsel(sisotab[DSTADDR]); 2829 } 2830 2831 #endif /* INET_ONLY */ 2832 2833 void 2834 usage() 2835 { 2836 const char *progname = getprogname(); 2837 2838 fprintf(stderr, 2839 "usage: %s [ -m ] [ -A ] " 2840 #ifdef INET6 2841 "[ -L ] " 2842 #endif 2843 "interface\n" 2844 "\t[ af [ address [ dest_addr ] ] [ up ] [ down ] " 2845 "[ netmask mask ] ]\n" 2846 "\t[ metric n ] [ mtu n ]\n" 2847 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n" 2848 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n" 2849 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n" 2850 "\t[ arp | -arp ]\n" 2851 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] " 2852 "[ instance minst ]\n" 2853 "\t[ vlan n vlanif i ]\n" 2854 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" 2855 " %s -a [ -A ] [ -m ] [ -d ] [ -u ] [ af ]\n" 2856 " %s -l [ -b ] [ -d ] [ -u ] [ -s ]\n" 2857 " %s -C\n" 2858 " %s interface create\n" 2859 " %s interface destroy\n", 2860 progname, progname, progname, progname, progname, progname); 2861 exit(1); 2862 } 2863 2864 #ifdef INET6 2865 char * 2866 sec2str(total) 2867 time_t total; 2868 { 2869 static char result[256]; 2870 int days, hours, mins, secs; 2871 int first = 1; 2872 char *p = result; 2873 2874 if (0) { /*XXX*/ 2875 days = total / 3600 / 24; 2876 hours = (total / 3600) % 24; 2877 mins = (total / 60) % 60; 2878 secs = total % 60; 2879 2880 if (days) { 2881 first = 0; 2882 p += sprintf(p, "%dd", days); 2883 } 2884 if (!first || hours) { 2885 first = 0; 2886 p += sprintf(p, "%dh", hours); 2887 } 2888 if (!first || mins) { 2889 first = 0; 2890 p += sprintf(p, "%dm", mins); 2891 } 2892 sprintf(p, "%ds", secs); 2893 } else 2894 sprintf(p, "%lu", (u_long)total); 2895 2896 return(result); 2897 } 2898 #endif 2899
Indexes created Mon Sep 29 21:09:56 GMT 2025