ifconfig.c revision 1.102
1 /* $NetBSD: ifconfig.c,v 1.102 2001/03/01 08:34:10 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 1.102 2001/03/01 08:34:10 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 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 hints.ai_socktype = SOCK_DGRAM; /*dummy*/ 948 949 if ((ecode = getaddrinfo(src, NULL, &hints, &srcres)) != 0) 950 errx(1, "error in parsing address string: %s", 951 gai_strerror(ecode)); 952 953 if ((ecode = getaddrinfo(dst, NULL, &hints, &dstres)) != 0) 954 errx(1, "error in parsing address string: %s", 955 gai_strerror(ecode)); 956 957 if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family) 958 errx(1, 959 "source and destination address families do not match"); 960 961 if (srcres->ai_addrlen > sizeof(req.addr) || 962 dstres->ai_addrlen > sizeof(req.dstaddr)) 963 errx(1, "invalid sockaddr"); 964 965 memset(&req, 0, sizeof(req)); 966 strncpy(req.iflr_name, name, sizeof(req.iflr_name)); 967 memcpy(&req.addr, srcres->ai_addr, srcres->ai_addrlen); 968 memcpy(&req.dstaddr, dstres->ai_addr, dstres->ai_addrlen); 969 if (ioctl(s, SIOCSLIFPHYADDR, &req) < 0) 970 warn("SIOCSLIFPHYADDR"); 971 972 freeaddrinfo(srcres); 973 freeaddrinfo(dstres); 974 } 975 976 /* ARGSUSED */ 977 void 978 deletetunnel(vname, param) 979 const char *vname; 980 int param; 981 { 982 983 if (ioctl(s, SIOCDIFPHYADDR, &ifr) < 0) 984 err(1, "SIOCDIFPHYADDR"); 985 } 986 987 void setvlan(val, d) 988 const char *val; 989 int d; 990 { 991 struct vlanreq vlr; 992 993 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 994 !isdigit(ifr.ifr_name[4])) 995 errx(EXIT_FAILURE, 996 "``vlan'' valid only with vlan(4) interfaces"); 997 998 vlan_tag = atoi(val); 999 1000 memset(&vlr, 0, sizeof(vlr)); 1001 ifr.ifr_data = (caddr_t)&vlr; 1002 1003 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1004 err(EXIT_FAILURE, "SIOCGETVLAN"); 1005 1006 vlr.vlr_tag = vlan_tag; 1007 1008 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1009 err(EXIT_FAILURE, "SIOCSETVLAN"); 1010 } 1011 1012 void setvlanif(val, d) 1013 const char *val; 1014 int d; 1015 { 1016 struct vlanreq vlr; 1017 1018 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1019 !isdigit(ifr.ifr_name[4])) 1020 errx(EXIT_FAILURE, 1021 "``vlanif'' valid only with vlan(4) interfaces"); 1022 1023 if (vlan_tag == (u_int)-1) 1024 errx(EXIT_FAILURE, 1025 "must specify both ``vlan'' and ``vlanif''"); 1026 1027 memset(&vlr, 0, sizeof(vlr)); 1028 ifr.ifr_data = (caddr_t)&vlr; 1029 1030 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1031 err(EXIT_FAILURE, "SIOCGETVLAN"); 1032 1033 strlcpy(vlr.vlr_parent, val, sizeof(vlr.vlr_parent)); 1034 vlr.vlr_tag = vlan_tag; 1035 1036 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1037 err(EXIT_FAILURE, "SIOCSETVLAN"); 1038 } 1039 1040 void unsetvlanif(val, d) 1041 const char *val; 1042 int d; 1043 { 1044 struct vlanreq vlr; 1045 1046 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1047 !isdigit(ifr.ifr_name[4])) 1048 errx(EXIT_FAILURE, 1049 "``vlanif'' valid only with vlan(4) interfaces"); 1050 1051 memset(&vlr, 0, sizeof(vlr)); 1052 ifr.ifr_data = (caddr_t)&vlr; 1053 1054 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1055 err(EXIT_FAILURE, "SIOCGETVLAN"); 1056 1057 vlr.vlr_parent[0] = '\0'; 1058 vlr.vlr_tag = 0; 1059 1060 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1061 err(EXIT_FAILURE, "SIOCSETVLAN"); 1062 } 1063 1064 void 1065 setifnetmask(addr, d) 1066 const char *addr; 1067 int d; 1068 { 1069 (*afp->af_getaddr)(addr, MASK); 1070 } 1071 1072 void 1073 setifbroadaddr(addr, d) 1074 const char *addr; 1075 int d; 1076 { 1077 (*afp->af_getaddr)(addr, DSTADDR); 1078 } 1079 1080 void 1081 setifipdst(addr, d) 1082 const char *addr; 1083 int d; 1084 { 1085 in_getaddr(addr, DSTADDR); 1086 setipdst++; 1087 clearaddr = 0; 1088 newaddr = 0; 1089 } 1090 1091 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 1092 /*ARGSUSED*/ 1093 void 1094 notealias(addr, param) 1095 const char *addr; 1096 int param; 1097 { 1098 if (setaddr && doalias == 0 && param < 0) 1099 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 1100 rqtosa(af_addreq)->sa_len); 1101 doalias = param; 1102 if (param < 0) { 1103 clearaddr = 1; 1104 newaddr = 0; 1105 } else 1106 clearaddr = 0; 1107 } 1108 1109 /*ARGSUSED*/ 1110 void 1111 notrailers(vname, value) 1112 const char *vname; 1113 int value; 1114 { 1115 puts("Note: trailers are no longer sent, but always received"); 1116 } 1117 1118 /*ARGSUSED*/ 1119 void 1120 setifdstaddr(addr, param) 1121 const char *addr; 1122 int param; 1123 { 1124 (*afp->af_getaddr)(addr, DSTADDR); 1125 } 1126 1127 void 1128 setifflags(vname, value) 1129 const char *vname; 1130 int value; 1131 { 1132 struct ifreq ifreq; 1133 1134 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 1135 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifreq) < 0) 1136 err(1, "SIOCGIFFLAGS"); 1137 flags = ifreq.ifr_flags; 1138 1139 if (value < 0) { 1140 value = -value; 1141 flags &= ~value; 1142 } else 1143 flags |= value; 1144 ifreq.ifr_flags = flags; 1145 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) < 0) 1146 err(1, "SIOCSIFFLAGS"); 1147 1148 reset_if_flags = 1; 1149 } 1150 1151 #ifdef INET6 1152 void 1153 setia6flags(vname, value) 1154 const char *vname; 1155 int value; 1156 { 1157 if (value < 0) { 1158 value = -value; 1159 in6_addreq.ifra_flags &= ~value; 1160 } else 1161 in6_addreq.ifra_flags |= value; 1162 } 1163 1164 void 1165 setia6pltime(val, d) 1166 const char *val; 1167 int d; 1168 { 1169 setia6lifetime("pltime", val); 1170 } 1171 1172 void 1173 setia6vltime(val, d) 1174 const char *val; 1175 int d; 1176 { 1177 setia6lifetime("vltime", val); 1178 } 1179 1180 void 1181 setia6lifetime(cmd, val) 1182 const char *cmd; 1183 const char *val; 1184 { 1185 time_t newval, t; 1186 char *ep; 1187 1188 t = time(NULL); 1189 newval = (time_t)strtoul(val, &ep, 0); 1190 if (val == ep) 1191 errx(1, "invalid %s", cmd); 1192 if (afp->af_af != AF_INET6) 1193 errx(1, "%s not allowed for the AF", cmd); 1194 if (strcmp(cmd, "vltime") == 0) { 1195 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 1196 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 1197 } else if (strcmp(cmd, "pltime") == 0) { 1198 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 1199 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 1200 } 1201 } 1202 #endif 1203 1204 void 1205 setifmetric(val, d) 1206 const char *val; 1207 int d; 1208 { 1209 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1210 ifr.ifr_metric = atoi(val); 1211 if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) < 0) 1212 warn("SIOCSIFMETRIC"); 1213 } 1214 1215 void 1216 setifmtu(val, d) 1217 const char *val; 1218 int d; 1219 { 1220 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1221 ifr.ifr_mtu = atoi(val); 1222 if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) < 0) 1223 warn("SIOCSIFMTU"); 1224 } 1225 1226 const char * 1227 get_string(val, sep, buf, lenp) 1228 const char *val, *sep; 1229 u_int8_t *buf; 1230 int *lenp; 1231 { 1232 int len; 1233 int hexstr; 1234 u_int8_t *p; 1235 1236 len = *lenp; 1237 p = buf; 1238 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 1239 if (hexstr) 1240 val += 2; 1241 for (;;) { 1242 if (*val == '\0') 1243 break; 1244 if (sep != NULL && strchr(sep, *val) != NULL) { 1245 val++; 1246 break; 1247 } 1248 if (hexstr) { 1249 if (!isxdigit((u_char)val[0]) || 1250 !isxdigit((u_char)val[1])) { 1251 warnx("bad hexadecimal digits"); 1252 return NULL; 1253 } 1254 } 1255 if (p > buf + len) { 1256 if (hexstr) 1257 warnx("hexadecimal digits too long"); 1258 else 1259 warnx("strings too long"); 1260 return NULL; 1261 } 1262 if (hexstr) { 1263 #define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 1264 *p++ = (tohex((u_char)val[0]) << 4) | 1265 tohex((u_char)val[1]); 1266 #undef tohex 1267 val += 2; 1268 } else 1269 *p++ = *val++; 1270 } 1271 len = p - buf; 1272 if (len < *lenp) 1273 memset(p, 0, *lenp - len); 1274 *lenp = len; 1275 return val; 1276 } 1277 1278 void 1279 print_string(buf, len) 1280 const u_int8_t *buf; 1281 int len; 1282 { 1283 int i; 1284 int hasspc; 1285 1286 i = 0; 1287 hasspc = 0; 1288 if (len < 2 || buf[0] != '0' || tolower(buf[1]) != 'x') { 1289 for (; i < len; i++) { 1290 if (!isprint(buf[i])) 1291 break; 1292 if (isspace(buf[i])) 1293 hasspc++; 1294 } 1295 } 1296 if (i == len) { 1297 if (hasspc || len == 0) 1298 printf("\"%.*s\"", len, buf); 1299 else 1300 printf("%.*s", len, buf); 1301 } else { 1302 printf("0x"); 1303 for (i = 0; i < len; i++) 1304 printf("%02x", buf[i]); 1305 } 1306 } 1307 1308 void 1309 setifnwid(val, d) 1310 const char *val; 1311 int d; 1312 { 1313 struct ieee80211_nwid nwid; 1314 int len; 1315 1316 len = sizeof(nwid.i_nwid); 1317 if (get_string(val, NULL, nwid.i_nwid, &len) == NULL) 1318 return; 1319 nwid.i_len = len; 1320 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1321 ifr.ifr_data = (caddr_t)&nwid; 1322 if (ioctl(s, SIOCS80211NWID, (caddr_t)&ifr) < 0) 1323 warn("SIOCS80211NWID"); 1324 } 1325 1326 void 1327 setifnwkey(val, d) 1328 const char *val; 1329 int d; 1330 { 1331 struct ieee80211_nwkey nwkey; 1332 int i; 1333 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1334 1335 nwkey.i_wepon = 1; 1336 nwkey.i_defkid = 1; 1337 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1338 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1339 nwkey.i_key[i].i_keydat = keybuf[i]; 1340 } 1341 if (d != 0) { 1342 /* disable WEP encryption */ 1343 nwkey.i_wepon = 0; 1344 i = 0; 1345 } else if (isdigit(val[0]) && val[1] == ':') { 1346 /* specifying a full set of four keys */ 1347 nwkey.i_defkid = val[0] - '0'; 1348 val += 2; 1349 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1350 val = get_string(val, ",", keybuf[i], 1351 &nwkey.i_key[i].i_keylen); 1352 if (val == NULL) 1353 return; 1354 } 1355 if (*val != '\0') { 1356 warnx("SIOCS80211NWKEY: too many keys."); 1357 return; 1358 } 1359 } else { 1360 val = get_string(val, NULL, keybuf[0], 1361 &nwkey.i_key[0].i_keylen); 1362 if (val == NULL) 1363 return; 1364 i = 1; 1365 } 1366 for (; i < IEEE80211_WEP_NKID; i++) 1367 nwkey.i_key[i].i_keylen = 0; 1368 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1369 if (ioctl(s, SIOCS80211NWKEY, (caddr_t)&nwkey) < 0) 1370 warn("SIOCS80211NWKEY"); 1371 } 1372 1373 void 1374 setifpowersave(val, d) 1375 const char *val; 1376 int d; 1377 { 1378 struct ieee80211_power power; 1379 1380 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1381 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) < 0) { 1382 warn("SIOCG80211POWER"); 1383 return; 1384 } 1385 1386 power.i_enabled = d; 1387 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) < 0) 1388 warn("SIOCS80211POWER"); 1389 } 1390 1391 void 1392 setifpowersavesleep(val, d) 1393 const char *val; 1394 int d; 1395 { 1396 struct ieee80211_power power; 1397 1398 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1399 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) < 0) { 1400 warn("SIOCG80211POWER"); 1401 return; 1402 } 1403 1404 power.i_maxsleep = atoi(val); 1405 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) < 0) 1406 warn("SIOCS80211POWER"); 1407 } 1408 1409 void 1410 ieee80211_status() 1411 { 1412 int i; 1413 struct ieee80211_nwid nwid; 1414 struct ieee80211_nwkey nwkey; 1415 struct ieee80211_power power; 1416 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1417 1418 memset(&ifr, 0, sizeof(ifr)); 1419 ifr.ifr_data = (caddr_t)&nwid; 1420 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1421 if (ioctl(s, SIOCG80211NWID, (caddr_t)&ifr) != 0) 1422 return; 1423 if (nwid.i_len > IEEE80211_NWID_LEN) { 1424 warnx("SIOCG80211NWID: wrong length of nwid (%d)", nwid.i_len); 1425 return; 1426 } 1427 printf("\tnwid "); 1428 print_string(nwid.i_nwid, nwid.i_len); 1429 memset(&nwkey, 0, sizeof(nwkey)); 1430 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1431 /* show nwkey only when WEP is enabled */ 1432 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) != 0 || 1433 nwkey.i_wepon == 0) { 1434 printf("\n"); 1435 goto skip_wep; 1436 } 1437 1438 printf(" nwkey "); 1439 /* try to retrieve WEP keys */ 1440 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1441 nwkey.i_key[i].i_keydat = keybuf[i]; 1442 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1443 } 1444 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) != 0) { 1445 printf("*****"); 1446 } else { 1447 if (nwkey.i_defkid != 1) { 1448 /* non default key or multiple keys defined */ 1449 i = 0; 1450 } else if (nwkey.i_key[0].i_keylen >= 2 && 1451 isdigit(nwkey.i_key[0].i_keydat[0]) && 1452 nwkey.i_key[0].i_keydat[1] == ':') { 1453 /* ambiguous */ 1454 i = 0; 1455 } else { 1456 for (i = 1; i < IEEE80211_WEP_NKID; i++) { 1457 if (nwkey.i_key[i].i_keylen != 0) 1458 break; 1459 } 1460 } 1461 if (i == IEEE80211_WEP_NKID) { 1462 /* only show the first key */ 1463 print_string(nwkey.i_key[0].i_keydat, 1464 nwkey.i_key[0].i_keylen); 1465 } else { 1466 printf("%d:", nwkey.i_defkid); 1467 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1468 if (i > 0) 1469 printf(","); 1470 print_string(nwkey.i_key[i].i_keydat, 1471 nwkey.i_key[i].i_keylen); 1472 } 1473 } 1474 } 1475 printf("\n"); 1476 1477 skip_wep: 1478 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1479 if (ioctl(s, SIOCG80211POWER, &power) != 0) 1480 return; 1481 printf("\tpowersave "); 1482 if (power.i_enabled) 1483 printf("on (%dms sleep)", power.i_maxsleep); 1484 else 1485 printf("off"); 1486 printf("\n"); 1487 } 1488 1489 void 1490 init_current_media() 1491 { 1492 struct ifmediareq ifmr; 1493 1494 /* 1495 * If we have not yet done so, grab the currently-selected 1496 * media. 1497 */ 1498 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1499 (void) memset(&ifmr, 0, sizeof(ifmr)); 1500 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1501 1502 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1503 /* 1504 * If we get E2BIG, the kernel is telling us 1505 * that there are more, so we can ignore it. 1506 */ 1507 if (errno != E2BIG) 1508 err(1, "SGIOCGIFMEDIA"); 1509 } 1510 1511 media_current = ifmr.ifm_current; 1512 } 1513 1514 /* Sanity. */ 1515 if (IFM_TYPE(media_current) == 0) 1516 errx(1, "%s: no link type?", name); 1517 } 1518 1519 void 1520 process_media_commands() 1521 { 1522 1523 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1524 /* Nothing to do. */ 1525 return; 1526 } 1527 1528 /* 1529 * Media already set up, and commands sanity-checked. Set/clear 1530 * any options, and we're ready to go. 1531 */ 1532 media_current |= mediaopt_set; 1533 media_current &= ~mediaopt_clear; 1534 1535 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1536 ifr.ifr_media = media_current; 1537 1538 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0) 1539 err(1, "SIOCSIFMEDIA"); 1540 } 1541 1542 void 1543 setmedia(val, d) 1544 const char *val; 1545 int d; 1546 { 1547 int type, subtype, inst; 1548 1549 init_current_media(); 1550 1551 /* Only one media command may be given. */ 1552 if (actions & A_MEDIA) 1553 errx(1, "only one `media' command may be issued"); 1554 1555 /* Must not come after mediaopt commands */ 1556 if (actions & A_MEDIAOPT) 1557 errx(1, "may not issue `media' after `mediaopt' commands"); 1558 1559 /* 1560 * No need to check if `instance' has been issued; setmediainst() 1561 * craps out if `media' has not been specified. 1562 */ 1563 1564 type = IFM_TYPE(media_current); 1565 inst = IFM_INST(media_current); 1566 1567 /* Look up the subtype. */ 1568 subtype = get_media_subtype(type, val); 1569 1570 /* Build the new current media word. */ 1571 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1572 1573 /* Media will be set after other processing is complete. */ 1574 } 1575 1576 void 1577 setmediaopt(val, d) 1578 const char *val; 1579 int d; 1580 { 1581 1582 init_current_media(); 1583 1584 /* Can only issue `mediaopt' once. */ 1585 if (actions & A_MEDIAOPTSET) 1586 errx(1, "only one `mediaopt' command may be issued"); 1587 1588 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1589 if (actions & A_MEDIAINST) 1590 errx(1, "may not issue `mediaopt' after `instance'"); 1591 1592 mediaopt_set = get_media_options(IFM_TYPE(media_current), val); 1593 1594 /* Media will be set after other processing is complete. */ 1595 } 1596 1597 void 1598 unsetmediaopt(val, d) 1599 const char *val; 1600 int d; 1601 { 1602 1603 init_current_media(); 1604 1605 /* Can only issue `-mediaopt' once. */ 1606 if (actions & A_MEDIAOPTCLR) 1607 errx(1, "only one `-mediaopt' command may be issued"); 1608 1609 /* May not issue `media' and `-mediaopt'. */ 1610 if (actions & A_MEDIA) 1611 errx(1, "may not issue both `media' and `-mediaopt'"); 1612 1613 /* 1614 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1615 * implicitly checks for A_MEDIAINST. 1616 */ 1617 1618 mediaopt_clear = get_media_options(IFM_TYPE(media_current), val); 1619 1620 /* Media will be set after other processing is complete. */ 1621 } 1622 1623 void 1624 setmediainst(val, d) 1625 const char *val; 1626 int d; 1627 { 1628 int type, subtype, options, inst; 1629 1630 init_current_media(); 1631 1632 /* Can only issue `instance' once. */ 1633 if (actions & A_MEDIAINST) 1634 errx(1, "only one `instance' command may be issued"); 1635 1636 /* Must have already specified `media' */ 1637 if ((actions & A_MEDIA) == 0) 1638 errx(1, "must specify `media' before `instance'"); 1639 1640 type = IFM_TYPE(media_current); 1641 subtype = IFM_SUBTYPE(media_current); 1642 options = IFM_OPTIONS(media_current); 1643 1644 inst = atoi(val); 1645 if (inst < 0 || inst > IFM_INST_MAX) 1646 errx(1, "invalid media instance: %s", val); 1647 1648 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1649 1650 /* Media will be set after other processing is complete. */ 1651 } 1652 1653 struct ifmedia_description ifm_type_descriptions[] = 1654 IFM_TYPE_DESCRIPTIONS; 1655 1656 struct ifmedia_description ifm_subtype_descriptions[] = 1657 IFM_SUBTYPE_DESCRIPTIONS; 1658 1659 struct ifmedia_description ifm_option_descriptions[] = 1660 IFM_OPTION_DESCRIPTIONS; 1661 1662 const char * 1663 get_media_type_string(mword) 1664 int mword; 1665 { 1666 struct ifmedia_description *desc; 1667 1668 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; 1669 desc++) { 1670 if (IFM_TYPE(mword) == desc->ifmt_word) 1671 return (desc->ifmt_string); 1672 } 1673 return ("<unknown type>"); 1674 } 1675 1676 const char * 1677 get_media_subtype_string(mword) 1678 int mword; 1679 { 1680 struct ifmedia_description *desc; 1681 1682 for (desc = ifm_subtype_descriptions; desc->ifmt_string != NULL; 1683 desc++) { 1684 if (IFM_TYPE_MATCH(desc->ifmt_word, mword) && 1685 IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(mword)) 1686 return (desc->ifmt_string); 1687 } 1688 return ("<unknown subtype>"); 1689 } 1690 1691 int 1692 get_media_subtype(type, val) 1693 int type; 1694 const char *val; 1695 { 1696 int rval; 1697 1698 rval = lookup_media_word(ifm_subtype_descriptions, type, val); 1699 if (rval == -1) 1700 errx(1, "unknown %s media subtype: %s", 1701 get_media_type_string(type), val); 1702 1703 return (rval); 1704 } 1705 1706 int 1707 get_media_options(type, val) 1708 int type; 1709 const char *val; 1710 { 1711 char *optlist, *str; 1712 int option, rval = 0; 1713 1714 /* We muck with the string, so copy it. */ 1715 optlist = strdup(val); 1716 if (optlist == NULL) 1717 err(1, "strdup"); 1718 str = optlist; 1719 1720 /* 1721 * Look up the options in the user-provided comma-separated list. 1722 */ 1723 for (; (str = strtok(str, ",")) != NULL; str = NULL) { 1724 option = lookup_media_word(ifm_option_descriptions, type, str); 1725 if (option == -1) 1726 errx(1, "unknown %s media option: %s", 1727 get_media_type_string(type), str); 1728 rval |= IFM_OPTIONS(option); 1729 } 1730 1731 free(optlist); 1732 return (rval); 1733 } 1734 1735 int 1736 lookup_media_word(desc, type, val) 1737 struct ifmedia_description *desc; 1738 int type; 1739 const char *val; 1740 { 1741 1742 for (; desc->ifmt_string != NULL; desc++) { 1743 if (IFM_TYPE_MATCH(desc->ifmt_word, type) && 1744 strcasecmp(desc->ifmt_string, val) == 0) 1745 return (desc->ifmt_word); 1746 } 1747 return (-1); 1748 } 1749 1750 void 1751 print_media_word(ifmw, print_type, as_syntax) 1752 int ifmw, print_type, as_syntax; 1753 { 1754 struct ifmedia_description *desc; 1755 int seen_option = 0; 1756 1757 if (print_type) 1758 printf("%s ", get_media_type_string(ifmw)); 1759 printf("%s%s", as_syntax ? "media " : "", 1760 get_media_subtype_string(ifmw)); 1761 1762 /* Find options. */ 1763 for (desc = ifm_option_descriptions; desc->ifmt_string != NULL; 1764 desc++) { 1765 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && 1766 (ifmw & IFM_OPTIONS(desc->ifmt_word)) != 0 && 1767 (seen_option & IFM_OPTIONS(desc->ifmt_word)) == 0) { 1768 if (seen_option == 0) 1769 printf(" %s", as_syntax ? "mediaopt " : ""); 1770 printf("%s%s", seen_option ? "," : "", 1771 desc->ifmt_string); 1772 seen_option |= IFM_OPTIONS(desc->ifmt_word); 1773 } 1774 } 1775 if (IFM_INST(ifmw) != 0) 1776 printf(" instance %d", IFM_INST(ifmw)); 1777 } 1778 1779 int carrier() 1780 { 1781 struct ifmediareq ifmr; 1782 1783 (void) memset(&ifmr, 0, sizeof(ifmr)); 1784 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1785 1786 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1787 /* 1788 * Interface doesn't support SIOC{G,S}IFMEDIA; 1789 * assume ok. 1790 */ 1791 return 0; 1792 } 1793 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1794 /* 1795 * Interface doesn't report media-valid status. 1796 * assume ok. 1797 */ 1798 return 0; 1799 } 1800 /* otherwise, return ok for active, not-ok if not active. */ 1801 return !(ifmr.ifm_status & IFM_ACTIVE); 1802 } 1803 1804 1805 #define IFFBITS \ 1806 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 1807 \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 1808 1809 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1810 1811 const struct ifmedia_status_description ifm_status_descriptions[] = 1812 IFM_STATUS_DESCRIPTIONS; 1813 1814 /* 1815 * Print the status of the interface. If an address family was 1816 * specified, show it and it only; otherwise, show them all. 1817 */ 1818 void 1819 status(ap, alen) 1820 const u_int8_t *ap; 1821 int alen; 1822 { 1823 struct afswtch *p = afp; 1824 struct ifmediareq ifmr; 1825 int *media_list, i; 1826 1827 printf("%s: ", name); 1828 printb("flags", flags, IFFBITS); 1829 if (metric) 1830 printf(" metric %d", metric); 1831 if (mtu) 1832 printf(" mtu %d", mtu); 1833 putchar('\n'); 1834 1835 ieee80211_status(); 1836 vlan_status(); 1837 tunnel_status(); 1838 1839 if (ap && alen > 0) { 1840 printf("\taddress:"); 1841 for (i = 0; i < alen; i++, ap++) 1842 printf("%c%02x", i > 0 ? ':' : ' ', *ap); 1843 putchar('\n'); 1844 } 1845 1846 (void) memset(&ifmr, 0, sizeof(ifmr)); 1847 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1848 1849 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1850 /* 1851 * Interface doesn't support SIOC{G,S}IFMEDIA. 1852 */ 1853 goto proto_status; 1854 } 1855 1856 if (ifmr.ifm_count == 0) { 1857 warnx("%s: no media types?", name); 1858 goto proto_status; 1859 } 1860 1861 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1862 if (media_list == NULL) 1863 err(1, "malloc"); 1864 ifmr.ifm_ulist = media_list; 1865 1866 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) 1867 err(1, "SIOCGIFMEDIA"); 1868 1869 printf("\tmedia: "); 1870 print_media_word(ifmr.ifm_current, 1, 0); 1871 if (ifmr.ifm_active != ifmr.ifm_current) { 1872 putchar(' '); 1873 putchar('('); 1874 print_media_word(ifmr.ifm_active, 0, 0); 1875 putchar(')'); 1876 } 1877 putchar('\n'); 1878 1879 if (ifmr.ifm_status & IFM_STATUS_VALID) { 1880 const struct ifmedia_status_description *ifms; 1881 int bitno, found = 0; 1882 1883 printf("\tstatus: "); 1884 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 1885 for (ifms = ifm_status_descriptions; 1886 ifms->ifms_valid != 0; ifms++) { 1887 if (ifms->ifms_type != 1888 IFM_TYPE(ifmr.ifm_current) || 1889 ifms->ifms_valid != 1890 ifm_status_valid_list[bitno]) 1891 continue; 1892 printf("%s%s", found ? ", " : "", 1893 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 1894 found = 1; 1895 1896 /* 1897 * For each valid indicator bit, there's 1898 * only one entry for each media type, so 1899 * terminate the inner loop now. 1900 */ 1901 break; 1902 } 1903 } 1904 1905 if (found == 0) 1906 printf("unknown"); 1907 putchar('\n'); 1908 } 1909 1910 if (mflag) { 1911 int type, printed_type; 1912 1913 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 1914 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 1915 if (IFM_TYPE(media_list[i]) == type) { 1916 if (printed_type == 0) { 1917 printf("\tsupported %s media:\n", 1918 get_media_type_string(type)); 1919 printed_type = 1; 1920 } 1921 printf("\t\t"); 1922 print_media_word(media_list[i], 0, 1); 1923 printf("\n"); 1924 } 1925 } 1926 } 1927 } 1928 1929 free(media_list); 1930 1931 proto_status: 1932 if ((p = afp) != NULL) { 1933 (*p->af_status)(1); 1934 } else for (p = afs; p->af_name; p++) { 1935 ifr.ifr_addr.sa_family = p->af_af; 1936 (*p->af_status)(0); 1937 } 1938 } 1939 1940 void 1941 tunnel_status() 1942 { 1943 char psrcaddr[NI_MAXHOST]; 1944 char pdstaddr[NI_MAXHOST]; 1945 const char *ver = ""; 1946 #ifdef NI_WITHSCOPEID 1947 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 1948 #else 1949 const int niflag = NI_NUMERICHOST; 1950 #endif 1951 struct if_laddrreq req; 1952 1953 psrcaddr[0] = pdstaddr[0] = '\0'; 1954 1955 memset(&req, 0, sizeof(req)); 1956 strncpy(req.iflr_name, name, IFNAMSIZ); 1957 if (ioctl(s, SIOCGLIFPHYADDR, (caddr_t)&req) < 0) 1958 return; 1959 #ifdef INET6 1960 if (req.addr.ss_family == AF_INET6) 1961 in6_fillscopeid((struct sockaddr_in6 *)&req.addr); 1962 #endif 1963 getnameinfo((struct sockaddr *)&req.addr, req.addr.ss_len, 1964 psrcaddr, sizeof(psrcaddr), 0, 0, niflag); 1965 #ifdef INET6 1966 if (req.addr.ss_family == AF_INET6) 1967 ver = "6"; 1968 #endif 1969 1970 #ifdef INET6 1971 if (req.dstaddr.ss_family == AF_INET6) 1972 in6_fillscopeid((struct sockaddr_in6 *)&req.dstaddr); 1973 #endif 1974 getnameinfo((struct sockaddr *)&req.dstaddr, req.dstaddr.ss_len, 1975 pdstaddr, sizeof(pdstaddr), 0, 0, niflag); 1976 1977 printf("\ttunnel inet%s %s --> %s\n", ver, psrcaddr, pdstaddr); 1978 } 1979 1980 void 1981 vlan_status() 1982 { 1983 struct vlanreq vlr; 1984 1985 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1986 !isdigit(ifr.ifr_name[4])) 1987 return; 1988 1989 memset(&vlr, 0, sizeof(vlr)); 1990 ifr.ifr_data = (caddr_t)&vlr; 1991 1992 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1993 return; 1994 1995 if (vlr.vlr_tag || vlr.vlr_parent[0] != '\0') 1996 printf("\tvlan: %d parent: %s\n", 1997 vlr.vlr_tag, vlr.vlr_parent[0] == '\0' ? 1998 "<none>" : vlr.vlr_parent); 1999 } 2000 2001 void 2002 in_alias(creq) 2003 struct ifreq *creq; 2004 { 2005 struct sockaddr_in *sin; 2006 int alias; 2007 2008 if (lflag) 2009 return; 2010 2011 alias = 1; 2012 2013 /* Get the non-alias address for this interface. */ 2014 getsock(AF_INET); 2015 if (s < 0) { 2016 if (errno == EPROTONOSUPPORT) 2017 return; 2018 err(1, "socket"); 2019 } 2020 (void) memset(&ifr, 0, sizeof(ifr)); 2021 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2022 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 2023 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2024 return; 2025 } else 2026 warn("SIOCGIFADDR"); 2027 } 2028 /* If creq and ifr are the same address, this is not an alias. */ 2029 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 2030 sizeof(creq->ifr_addr)) == 0) 2031 alias = 0; 2032 /* we print aliases only with -A */ 2033 if (alias && !Aflag) 2034 return; 2035 (void) memset(&addreq, 0, sizeof(addreq)); 2036 (void) strncpy(addreq.ifra_name, name, sizeof(addreq.ifra_name)); 2037 addreq.ifra_addr = creq->ifr_addr; 2038 if (ioctl(s, SIOCGIFALIAS, (caddr_t)&addreq) < 0) { 2039 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2040 return; 2041 } else 2042 warn("SIOCGIFALIAS"); 2043 } 2044 2045 sin = (struct sockaddr_in *)&addreq.ifra_addr; 2046 printf("\tinet %s%s", alias ? "alias " : "", inet_ntoa(sin->sin_addr)); 2047 2048 if (flags & IFF_POINTOPOINT) { 2049 sin = (struct sockaddr_in *)&addreq.ifra_dstaddr; 2050 printf(" -> %s", inet_ntoa(sin->sin_addr)); 2051 } 2052 2053 sin = (struct sockaddr_in *)&addreq.ifra_mask; 2054 printf(" netmask 0x%x", ntohl(sin->sin_addr.s_addr)); 2055 2056 if (flags & IFF_BROADCAST) { 2057 sin = (struct sockaddr_in *)&addreq.ifra_broadaddr; 2058 printf(" broadcast %s", inet_ntoa(sin->sin_addr)); 2059 } 2060 printf("\n"); 2061 } 2062 2063 void 2064 in_status(force) 2065 int force; 2066 { 2067 #ifdef HAVE_IFADDRS_H 2068 struct ifaddrs *ifap, *ifa; 2069 struct ifreq ifr; 2070 2071 if (getifaddrs(&ifap) != 0) 2072 err(1, "getifaddrs"); 2073 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2074 if (strcmp(name, ifa->ifa_name) != 0) 2075 continue; 2076 if (ifa->ifa_addr->sa_family != AF_INET) 2077 continue; 2078 if (sizeof(ifr.ifr_addr) < ifa->ifa_addr->sa_len) 2079 continue; 2080 2081 memset(&ifr, 0, sizeof(ifr)); 2082 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 2083 memcpy(&ifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2084 in_alias(&ifr); 2085 } 2086 freeifaddrs(ifap); 2087 #else 2088 char inbuf[8192]; 2089 struct ifconf ifc; 2090 struct ifreq *ifr; 2091 int i, siz; 2092 char ifrbuf[8192], *cp; 2093 2094 ifc.ifc_len = sizeof(inbuf); 2095 ifc.ifc_buf = inbuf; 2096 getsock(af); 2097 if (s < 0) 2098 err(1, "socket"); 2099 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 2100 err(1, "SIOCGIFCONF"); 2101 for (i = 0; i < ifc.ifc_len; ) { 2102 /* Copy the mininum ifreq into the buffer. */ 2103 cp = ((caddr_t)ifc.ifc_req + i); 2104 memcpy(ifrbuf, cp, sizeof(*ifr)); 2105 2106 /* Now compute the actual size of the ifreq. */ 2107 ifr = (struct ifreq *)ifrbuf; 2108 siz = ifr->ifr_addr.sa_len; 2109 if (siz < sizeof(ifr->ifr_addr)) 2110 siz = sizeof(ifr->ifr_addr); 2111 siz += sizeof(ifr->ifr_name); 2112 i += siz; 2113 2114 /* Now copy the whole thing. */ 2115 if (sizeof(ifrbuf) < siz) 2116 errx(1, "ifr too big"); 2117 memcpy(ifrbuf, cp, siz); 2118 2119 if (!strncmp(name, ifr->ifr_name, sizeof(ifr->ifr_name))) { 2120 if (ifr->ifr_addr.sa_family == AF_INET) 2121 in_alias(ifr); 2122 } 2123 } 2124 #endif 2125 } 2126 2127 void 2128 setifprefixlen(addr, d) 2129 const char *addr; 2130 int d; 2131 { 2132 if (*afp->af_getprefix) 2133 (*afp->af_getprefix)(addr, MASK); 2134 explicit_prefix = 1; 2135 } 2136 2137 #ifdef INET6 2138 void 2139 in6_fillscopeid(sin6) 2140 struct sockaddr_in6 *sin6; 2141 { 2142 #if defined(__KAME__) && defined(KAME_SCOPEID) 2143 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 2144 sin6->sin6_scope_id = 2145 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 2146 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 2147 } 2148 #endif 2149 } 2150 2151 /* XXX not really an alias */ 2152 void 2153 in6_alias(creq) 2154 struct in6_ifreq *creq; 2155 { 2156 struct sockaddr_in6 *sin6; 2157 char hbuf[NI_MAXHOST]; 2158 u_int32_t scopeid; 2159 #ifdef NI_WITHSCOPEID 2160 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 2161 #else 2162 const int niflag = NI_NUMERICHOST; 2163 #endif 2164 2165 /* Get the non-alias address for this interface. */ 2166 getsock(AF_INET6); 2167 if (s < 0) { 2168 if (errno == EPROTONOSUPPORT) 2169 return; 2170 err(1, "socket"); 2171 } 2172 2173 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 2174 2175 in6_fillscopeid(sin6); 2176 scopeid = sin6->sin6_scope_id; 2177 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2178 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2179 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2180 printf("\tinet6 %s", hbuf); 2181 2182 if (flags & IFF_POINTOPOINT) { 2183 (void) memset(&ifr6, 0, sizeof(ifr6)); 2184 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2185 ifr6.ifr_addr = creq->ifr_addr; 2186 if (ioctl(s, SIOCGIFDSTADDR_IN6, (caddr_t)&ifr6) < 0) { 2187 if (errno != EADDRNOTAVAIL) 2188 warn("SIOCGIFDSTADDR_IN6"); 2189 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 2190 ifr6.ifr_addr.sin6_family = AF_INET6; 2191 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 2192 } 2193 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2194 in6_fillscopeid(sin6); 2195 hbuf[0] = '\0'; 2196 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2197 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2198 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2199 printf(" -> %s", hbuf); 2200 } 2201 2202 (void) memset(&ifr6, 0, sizeof(ifr6)); 2203 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2204 ifr6.ifr_addr = creq->ifr_addr; 2205 if (ioctl(s, SIOCGIFNETMASK_IN6, (caddr_t)&ifr6) < 0) { 2206 if (errno != EADDRNOTAVAIL) 2207 warn("SIOCGIFNETMASK_IN6"); 2208 } else { 2209 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2210 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 2211 sizeof(struct in6_addr))); 2212 } 2213 2214 (void) memset(&ifr6, 0, sizeof(ifr6)); 2215 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2216 ifr6.ifr_addr = creq->ifr_addr; 2217 if (ioctl(s, SIOCGIFAFLAG_IN6, (caddr_t)&ifr6) < 0) { 2218 if (errno != EADDRNOTAVAIL) 2219 warn("SIOCGIFAFLAG_IN6"); 2220 } else { 2221 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 2222 printf(" anycast"); 2223 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 2224 printf(" tentative"); 2225 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 2226 printf(" duplicated"); 2227 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 2228 printf(" detached"); 2229 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DEPRECATED) 2230 printf(" deprecated"); 2231 } 2232 2233 if (scopeid) 2234 printf(" scopeid 0x%x", scopeid); 2235 2236 if (Lflag) { 2237 struct in6_addrlifetime *lifetime; 2238 (void) memset(&ifr6, 0, sizeof(ifr6)); 2239 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2240 ifr6.ifr_addr = creq->ifr_addr; 2241 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 2242 if (ioctl(s, SIOCGIFALIFETIME_IN6, (caddr_t)&ifr6) < 0) { 2243 if (errno != EADDRNOTAVAIL) 2244 warn("SIOCGIFALIFETIME_IN6"); 2245 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 2246 time_t t = time(NULL); 2247 printf(" pltime "); 2248 if (lifetime->ia6t_preferred) { 2249 printf("%s", lifetime->ia6t_preferred < t 2250 ? "0" 2251 : sec2str(lifetime->ia6t_preferred - t)); 2252 } else 2253 printf("infty"); 2254 2255 printf(" vltime "); 2256 if (lifetime->ia6t_expire) { 2257 printf("%s", lifetime->ia6t_expire < t 2258 ? "0" 2259 : sec2str(lifetime->ia6t_expire - t)); 2260 } else 2261 printf("infty"); 2262 } 2263 } 2264 2265 printf("\n"); 2266 } 2267 2268 void 2269 in6_status(force) 2270 int force; 2271 { 2272 #ifdef HAVE_IFADDRS_H 2273 struct ifaddrs *ifap, *ifa; 2274 struct in6_ifreq ifr; 2275 2276 if (getifaddrs(&ifap) != 0) 2277 err(1, "getifaddrs"); 2278 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2279 if (strcmp(name, ifa->ifa_name) != 0) 2280 continue; 2281 if (ifa->ifa_addr->sa_family != AF_INET6) 2282 continue; 2283 if (sizeof(ifr.ifr_addr) < ifa->ifa_addr->sa_len) 2284 continue; 2285 2286 memset(&ifr, 0, sizeof(ifr)); 2287 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 2288 memcpy(&ifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2289 in6_alias(&ifr); 2290 } 2291 freeifaddrs(ifap); 2292 #else 2293 char inbuf[8192]; 2294 struct ifconf ifc; 2295 struct ifreq *ifr; 2296 int i, siz; 2297 char ifrbuf[8192], *cp; 2298 2299 ifc.ifc_len = sizeof(inbuf); 2300 ifc.ifc_buf = inbuf; 2301 getsock(af); 2302 if (s < 0) 2303 err(1, "socket"); 2304 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 2305 err(1, "SIOCGIFCONF"); 2306 for (i = 0; i < ifc.ifc_len; ) { 2307 /* Copy the mininum ifreq into the buffer. */ 2308 cp = ((caddr_t)ifc.ifc_req + i); 2309 memcpy(ifrbuf, cp, sizeof(*ifr)); 2310 2311 /* Now compute the actual size of the ifreq. */ 2312 ifr = (struct ifreq *)ifrbuf; 2313 siz = ifr->ifr_addr.sa_len; 2314 if (siz < sizeof(ifr->ifr_addr)) 2315 siz = sizeof(ifr->ifr_addr); 2316 siz += sizeof(ifr->ifr_name); 2317 i += siz; 2318 2319 /* Now copy the whole thing. */ 2320 if (sizeof(ifrbuf) < siz) 2321 errx(1, "ifr too big"); 2322 memcpy(ifrbuf, cp, siz); 2323 2324 if (!strncmp(name, ifr->ifr_name, sizeof(ifr->ifr_name))) { 2325 if (ifr->ifr_addr.sa_family == AF_INET6) 2326 in6_alias((struct in6_ifreq *)ifr); 2327 } 2328 } 2329 #endif 2330 } 2331 #endif /*INET6*/ 2332 2333 #ifndef INET_ONLY 2334 2335 void 2336 at_status(force) 2337 int force; 2338 { 2339 struct sockaddr_at *sat, null_sat; 2340 struct netrange *nr; 2341 2342 getsock(AF_APPLETALK); 2343 if (s < 0) { 2344 if (errno == EPROTONOSUPPORT) 2345 return; 2346 err(1, "socket"); 2347 } 2348 (void) memset(&ifr, 0, sizeof(ifr)); 2349 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2350 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 2351 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2352 if (!force) 2353 return; 2354 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2355 } else 2356 warn("SIOCGIFADDR"); 2357 } 2358 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2359 sat = (struct sockaddr_at *)&ifr.ifr_addr; 2360 2361 (void) memset(&null_sat, 0, sizeof(null_sat)); 2362 2363 nr = (struct netrange *) &sat->sat_zero; 2364 printf("\tatalk %d.%d range %d-%d phase %d", 2365 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2366 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 2367 if (flags & IFF_POINTOPOINT) { 2368 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 2369 if (errno == EADDRNOTAVAIL) 2370 (void) memset(&ifr.ifr_addr, 0, 2371 sizeof(ifr.ifr_addr)); 2372 else 2373 warn("SIOCGIFDSTADDR"); 2374 } 2375 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2376 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 2377 if (!sat) 2378 sat = &null_sat; 2379 printf("--> %d.%d", 2380 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 2381 } 2382 if (flags & IFF_BROADCAST) { 2383 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 2384 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 2385 if (sat) 2386 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 2387 sat->sat_addr.s_node); 2388 } 2389 putchar('\n'); 2390 } 2391 2392 void 2393 xns_status(force) 2394 int force; 2395 { 2396 struct sockaddr_ns *sns; 2397 2398 getsock(AF_NS); 2399 if (s < 0) { 2400 if (errno == EPROTONOSUPPORT) 2401 return; 2402 err(1, "socket"); 2403 } 2404 (void) memset(&ifr, 0, sizeof(ifr)); 2405 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2406 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 2407 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2408 if (!force) 2409 return; 2410 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2411 } else 2412 warn("SIOCGIFADDR"); 2413 } 2414 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2415 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 2416 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 2417 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 2418 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 2419 if (errno == EADDRNOTAVAIL) 2420 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2421 else 2422 warn("SIOCGIFDSTADDR"); 2423 } 2424 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2425 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 2426 printf("--> %s ", ns_ntoa(sns->sns_addr)); 2427 } 2428 putchar('\n'); 2429 } 2430 2431 void 2432 iso_status(force) 2433 int force; 2434 { 2435 struct sockaddr_iso *siso; 2436 struct iso_ifreq ifr; 2437 2438 getsock(AF_ISO); 2439 if (s < 0) { 2440 if (errno == EPROTONOSUPPORT) 2441 return; 2442 err(1, "socket"); 2443 } 2444 (void) memset(&ifr, 0, sizeof(ifr)); 2445 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2446 if (ioctl(s, SIOCGIFADDR_ISO, (caddr_t)&ifr) < 0) { 2447 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2448 if (!force) 2449 return; 2450 (void) memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2451 } else 2452 warn("SIOCGIFADDR_ISO"); 2453 } 2454 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2455 siso = &ifr.ifr_Addr; 2456 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 2457 if (ioctl(s, SIOCGIFNETMASK_ISO, (caddr_t)&ifr) < 0) { 2458 if (errno == EADDRNOTAVAIL) 2459 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2460 else 2461 warn("SIOCGIFNETMASK_ISO"); 2462 } else { 2463 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 2464 siso->siso_addr.isoa_len = siso->siso_len 2465 - offsetof(struct sockaddr_iso, siso_addr); 2466 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 2467 } 2468 if (flags & IFF_POINTOPOINT) { 2469 if (ioctl(s, SIOCGIFDSTADDR_ISO, (caddr_t)&ifr) < 0) { 2470 if (errno == EADDRNOTAVAIL) 2471 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2472 else 2473 warn("SIOCGIFDSTADDR_ISO"); 2474 } 2475 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2476 siso = &ifr.ifr_Addr; 2477 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 2478 } 2479 putchar('\n'); 2480 } 2481 2482 #endif /* INET_ONLY */ 2483 2484 #define SIN(x) ((struct sockaddr_in *) &(x)) 2485 struct sockaddr_in *sintab[] = { 2486 SIN(ridreq.ifr_addr), SIN(addreq.ifra_addr), 2487 SIN(addreq.ifra_mask), SIN(addreq.ifra_broadaddr)}; 2488 2489 void 2490 in_getaddr(s, which) 2491 const char *s; 2492 int which; 2493 { 2494 struct sockaddr_in *sin = sintab[which]; 2495 struct hostent *hp; 2496 struct netent *np; 2497 2498 sin->sin_len = sizeof(*sin); 2499 if (which != MASK) 2500 sin->sin_family = AF_INET; 2501 2502 if (which == ADDR) { 2503 char *p = NULL; 2504 if ((p = strrchr(s, '/')) != NULL) { 2505 *p = '\0'; 2506 in_getprefix(p + 1, MASK); 2507 } 2508 } 2509 2510 if (inet_aton(s, &sin->sin_addr) == 0) { 2511 if ((hp = gethostbyname(s)) != NULL) 2512 (void) memcpy(&sin->sin_addr, hp->h_addr, hp->h_length); 2513 else if ((np = getnetbyname(s)) != NULL) 2514 sin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 2515 else 2516 errx(1, "%s: bad value", s); 2517 } 2518 } 2519 2520 void 2521 in_getprefix(plen, which) 2522 const char *plen; 2523 int which; 2524 { 2525 register struct sockaddr_in *sin = sintab[which]; 2526 register u_char *cp; 2527 int len = strtol(plen, (char **)NULL, 10); 2528 2529 if ((len < 0) || (len > 32)) 2530 errx(1, "%s: bad value", plen); 2531 sin->sin_len = sizeof(*sin); 2532 if (which != MASK) 2533 sin->sin_family = AF_INET; 2534 if ((len == 0) || (len == 32)) { 2535 memset(&sin->sin_addr, 0xff, sizeof(struct in_addr)); 2536 return; 2537 } 2538 memset((void *)&sin->sin_addr, 0x00, sizeof(sin->sin_addr)); 2539 for (cp = (u_char *)&sin->sin_addr; len > 7; len -= 8) 2540 *cp++ = 0xff; 2541 *cp = 0xff << (8 - len); 2542 } 2543 2544 /* 2545 * Print a value a la the %b format of the kernel's printf 2546 */ 2547 void 2548 printb(s, v, bits) 2549 const char *s; 2550 unsigned short v; 2551 const char *bits; 2552 { 2553 int i, any = 0; 2554 char c; 2555 2556 if (bits && *bits == 8) 2557 printf("%s=%o", s, v); 2558 else 2559 printf("%s=%x", s, v); 2560 bits++; 2561 if (bits) { 2562 putchar('<'); 2563 while ((i = *bits++) != 0) { 2564 if (v & (1 << (i-1))) { 2565 if (any) 2566 putchar(','); 2567 any = 1; 2568 for (; (c = *bits) > 32; bits++) 2569 putchar(c); 2570 } else 2571 for (; *bits > 32; bits++) 2572 ; 2573 } 2574 putchar('>'); 2575 } 2576 } 2577 2578 #ifdef INET6 2579 #define SIN6(x) ((struct sockaddr_in6 *) &(x)) 2580 struct sockaddr_in6 *sin6tab[] = { 2581 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 2582 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 2583 2584 void 2585 in6_getaddr(s, which) 2586 const char *s; 2587 int which; 2588 { 2589 #if defined(__KAME__) && defined(KAME_SCOPEID) 2590 struct sockaddr_in6 *sin6 = sin6tab[which]; 2591 struct addrinfo hints, *res; 2592 int error; 2593 2594 memset(&hints, 0, sizeof(hints)); 2595 hints.ai_family = AF_INET6; 2596 hints.ai_socktype = SOCK_DGRAM; 2597 #if 0 /* in_getaddr() allows FQDN */ 2598 hints.ai_flags = AI_NUMERICHOST; 2599 #endif 2600 error = getaddrinfo(s, "0", &hints, &res); 2601 if (error) 2602 errx(1, "%s: %s", s, gai_strerror(error)); 2603 if (res->ai_next) 2604 errx(1, "%s: resolved to multiple hosts", s); 2605 if (res->ai_addrlen != sizeof(struct sockaddr_in6)) 2606 errx(1, "%s: bad value", s); 2607 memcpy(sin6, res->ai_addr, res->ai_addrlen); 2608 freeaddrinfo(res); 2609 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) { 2610 *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = 2611 htons(sin6->sin6_scope_id); 2612 sin6->sin6_scope_id = 0; 2613 } 2614 #else 2615 struct sockaddr_in6 *sin = sin6tab[which]; 2616 2617 sin->sin6_len = sizeof(*sin); 2618 if (which != MASK) 2619 sin->sin6_family = AF_INET6; 2620 2621 if (which == ADDR) { 2622 char *p = NULL; 2623 if((p = strrchr(s, '/')) != NULL) { 2624 *p = '\0'; 2625 in6_getprefix(p + 1, MASK); 2626 explicit_prefix = 1; 2627 } 2628 } 2629 2630 if (inet_pton(AF_INET6, s, &sin->sin6_addr) != 1) 2631 errx(1, "%s: bad value", s); 2632 #endif 2633 } 2634 2635 void 2636 in6_getprefix(plen, which) 2637 const char *plen; 2638 int which; 2639 { 2640 register struct sockaddr_in6 *sin = sin6tab[which]; 2641 register u_char *cp; 2642 int len = strtol(plen, (char **)NULL, 10); 2643 2644 if ((len < 0) || (len > 128)) 2645 errx(1, "%s: bad value", plen); 2646 sin->sin6_len = sizeof(*sin); 2647 if (which != MASK) 2648 sin->sin6_family = AF_INET6; 2649 if ((len == 0) || (len == 128)) { 2650 memset(&sin->sin6_addr, 0xff, sizeof(struct in6_addr)); 2651 return; 2652 } 2653 memset((void *)&sin->sin6_addr, 0x00, sizeof(sin->sin6_addr)); 2654 for (cp = (u_char *)&sin->sin6_addr; len > 7; len -= 8) 2655 *cp++ = 0xff; 2656 *cp = 0xff << (8 - len); 2657 } 2658 2659 int 2660 prefix(val, size) 2661 void *val; 2662 int size; 2663 { 2664 register u_char *name = (u_char *)val; 2665 register int byte, bit, plen = 0; 2666 2667 for (byte = 0; byte < size; byte++, plen += 8) 2668 if (name[byte] != 0xff) 2669 break; 2670 if (byte == size) 2671 return (plen); 2672 for (bit = 7; bit != 0; bit--, plen++) 2673 if (!(name[byte] & (1 << bit))) 2674 break; 2675 for (; bit != 0; bit--) 2676 if (name[byte] & (1 << bit)) 2677 return(0); 2678 byte++; 2679 for (; byte < size; byte++) 2680 if (name[byte]) 2681 return(0); 2682 return (plen); 2683 } 2684 #endif /*INET6*/ 2685 2686 #ifndef INET_ONLY 2687 void 2688 at_getaddr(addr, which) 2689 const char *addr; 2690 int which; 2691 { 2692 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 2693 u_int net, node; 2694 2695 sat->sat_family = AF_APPLETALK; 2696 sat->sat_len = sizeof(*sat); 2697 if (which == MASK) 2698 errx(1, "AppleTalk does not use netmasks\n"); 2699 if (sscanf(addr, "%u.%u", &net, &node) != 2 2700 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 2701 errx(1, "%s: illegal address", addr); 2702 sat->sat_addr.s_net = htons(net); 2703 sat->sat_addr.s_node = node; 2704 } 2705 2706 void 2707 setatrange(range, d) 2708 const char *range; 2709 int d; 2710 { 2711 u_short first = 123, last = 123; 2712 2713 if (sscanf(range, "%hu-%hu", &first, &last) != 2 2714 || first == 0 || first > 0xffff 2715 || last == 0 || last > 0xffff || first > last) 2716 errx(1, "%s: illegal net range: %u-%u", range, first, last); 2717 at_nr.nr_firstnet = htons(first); 2718 at_nr.nr_lastnet = htons(last); 2719 } 2720 2721 void 2722 setatphase(phase, d) 2723 const char *phase; 2724 int d; 2725 { 2726 if (!strcmp(phase, "1")) 2727 at_nr.nr_phase = 1; 2728 else if (!strcmp(phase, "2")) 2729 at_nr.nr_phase = 2; 2730 else 2731 errx(1, "%s: illegal phase", phase); 2732 } 2733 2734 void 2735 checkatrange(sat) 2736 struct sockaddr_at *sat; 2737 { 2738 if (at_nr.nr_phase == 0) 2739 at_nr.nr_phase = 2; /* Default phase 2 */ 2740 if (at_nr.nr_firstnet == 0) 2741 at_nr.nr_firstnet = /* Default range of one */ 2742 at_nr.nr_lastnet = sat->sat_addr.s_net; 2743 printf("\tatalk %d.%d range %d-%d phase %d\n", 2744 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2745 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 2746 if ((u_short) ntohs(at_nr.nr_firstnet) > 2747 (u_short) ntohs(sat->sat_addr.s_net) 2748 || (u_short) ntohs(at_nr.nr_lastnet) < 2749 (u_short) ntohs(sat->sat_addr.s_net)) 2750 errx(1, "AppleTalk address is not in range"); 2751 *((struct netrange *) &sat->sat_zero) = at_nr; 2752 } 2753 2754 #define SNS(x) ((struct sockaddr_ns *) &(x)) 2755 struct sockaddr_ns *snstab[] = { 2756 SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 2757 SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 2758 2759 void 2760 xns_getaddr(addr, which) 2761 const char *addr; 2762 int which; 2763 { 2764 struct sockaddr_ns *sns = snstab[which]; 2765 2766 sns->sns_family = AF_NS; 2767 sns->sns_len = sizeof(*sns); 2768 sns->sns_addr = ns_addr(addr); 2769 if (which == MASK) 2770 puts("Attempt to set XNS netmask will be ineffectual"); 2771 } 2772 2773 #define SISO(x) ((struct sockaddr_iso *) &(x)) 2774 struct sockaddr_iso *sisotab[] = { 2775 SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 2776 SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 2777 2778 void 2779 iso_getaddr(addr, which) 2780 const char *addr; 2781 int which; 2782 { 2783 struct sockaddr_iso *siso = sisotab[which]; 2784 siso->siso_addr = *iso_addr(addr); 2785 2786 if (which == MASK) { 2787 siso->siso_len = TSEL(siso) - (caddr_t)(siso); 2788 siso->siso_nlen = 0; 2789 } else { 2790 siso->siso_len = sizeof(*siso); 2791 siso->siso_family = AF_ISO; 2792 } 2793 } 2794 2795 void 2796 setsnpaoffset(val, d) 2797 const char *val; 2798 int d; 2799 { 2800 iso_addreq.ifra_snpaoffset = atoi(val); 2801 } 2802 2803 void 2804 setnsellength(val, d) 2805 const char *val; 2806 int d; 2807 { 2808 nsellength = atoi(val); 2809 if (nsellength < 0) 2810 errx(1, "Negative NSEL length is absurd"); 2811 if (afp == 0 || afp->af_af != AF_ISO) 2812 errx(1, "Setting NSEL length valid only for iso"); 2813 } 2814 2815 void 2816 fixnsel(s) 2817 struct sockaddr_iso *s; 2818 { 2819 if (s->siso_family == 0) 2820 return; 2821 s->siso_tlen = nsellength; 2822 } 2823 2824 void 2825 adjust_nsellength() 2826 { 2827 fixnsel(sisotab[RIDADDR]); 2828 fixnsel(sisotab[ADDR]); 2829 fixnsel(sisotab[DSTADDR]); 2830 } 2831 2832 #endif /* INET_ONLY */ 2833 2834 void 2835 usage() 2836 { 2837 const char *progname = getprogname(); 2838 2839 fprintf(stderr, 2840 "usage: %s [ -m ] [ -A ] " 2841 #ifdef INET6 2842 "[ -L ] " 2843 #endif 2844 "interface\n" 2845 "\t[ af [ address [ dest_addr ] ] [ up ] [ down ] " 2846 "[ netmask mask ] ]\n" 2847 "\t[ metric n ] [ mtu n ]\n" 2848 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n" 2849 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n" 2850 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n" 2851 "\t[ arp | -arp ]\n" 2852 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] " 2853 "[ instance minst ]\n" 2854 "\t[ vlan n vlanif i ]\n" 2855 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" 2856 " %s -a [ -A ] [ -m ] [ -d ] [ -u ] [ af ]\n" 2857 " %s -l [ -b ] [ -d ] [ -u ] [ -s ]\n" 2858 " %s -C\n" 2859 " %s interface create\n" 2860 " %s interface destroy\n", 2861 progname, 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 11:09:46 GMT 2025