ifconfig.c revision 1.105
1 /* $NetBSD: ifconfig.c,v 1.105 2001/04/27 09:10:04 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 1.105 2001/04/27 09:10:04 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 { "deprecated", IN6_IFF_DEPRECATED, 0, setia6flags }, 257 { "-deprecated", -IN6_IFF_DEPRECATED, 0, setia6flags }, 258 { "pltime", NEXTARG, 0, setia6pltime }, 259 { "vltime", NEXTARG, 0, setia6vltime }, 260 #endif /*INET6*/ 261 #ifndef INET_ONLY 262 { "range", NEXTARG, 0, setatrange }, 263 { "phase", NEXTARG, 0, setatphase }, 264 { "snpaoffset", NEXTARG, 0, setsnpaoffset }, 265 { "nsellength", NEXTARG, 0, setnsellength }, 266 #endif /* INET_ONLY */ 267 { "tunnel", NEXTARG2, 0, NULL, 268 settunnel } , 269 { "deletetunnel", 0, 0, deletetunnel }, 270 { "vlan", NEXTARG, 0, setvlan } , 271 { "vlanif", NEXTARG, 0, setvlanif } , 272 { "-vlanif", 0, 0, unsetvlanif } , 273 { "deletetunnel", 0, 0, deletetunnel }, 274 #if 0 275 /* XXX `create' special-cased below */ 276 { "create", 0, 0, clone_create } , 277 #endif 278 { "destroy", 0, 0, clone_destroy } , 279 { "link0", IFF_LINK0, 0, setifflags } , 280 { "-link0", -IFF_LINK0, 0, setifflags } , 281 { "link1", IFF_LINK1, 0, setifflags } , 282 { "-link1", -IFF_LINK1, 0, setifflags } , 283 { "link2", IFF_LINK2, 0, setifflags } , 284 { "-link2", -IFF_LINK2, 0, setifflags } , 285 { "media", NEXTARG, A_MEDIA, setmedia }, 286 { "mediaopt", NEXTARG, A_MEDIAOPTSET, setmediaopt }, 287 { "-mediaopt", NEXTARG, A_MEDIAOPTCLR, unsetmediaopt }, 288 { "instance", NEXTARG, A_MEDIAINST, setmediainst }, 289 { "inst", NEXTARG, A_MEDIAINST, setmediainst }, 290 { 0, 0, 0, setifaddr }, 291 { 0, 0, 0, setifdstaddr }, 292 }; 293 294 void adjust_nsellength __P((void)); 295 int getinfo __P((struct ifreq *)); 296 int carrier __P((void)); 297 void getsock __P((int)); 298 void printall __P((void)); 299 void list_cloners __P((void)); 300 void printb __P((const char *, unsigned short, const char *)); 301 int prefix __P((void *, int)); 302 void status __P((const u_int8_t *, int)); 303 void usage __P((void)); 304 const char *get_string __P((const char *, const char *, u_int8_t *, int *)); 305 void print_string __P((const u_int8_t *, int)); 306 char *sec2str __P((time_t)); 307 308 const char *get_media_type_string __P((int)); 309 const char *get_media_subtype_string __P((int)); 310 int get_media_subtype __P((int, const char *)); 311 int get_media_options __P((int, const char *)); 312 int lookup_media_word __P((struct ifmedia_description *, int, 313 const char *)); 314 void print_media_word __P((int, int, int)); 315 void process_media_commands __P((void)); 316 void init_current_media __P((void)); 317 318 /* 319 * XNS support liberally adapted from code written at the University of 320 * Maryland principally by James O'Toole and Chris Torek. 321 */ 322 void in_alias __P((struct ifreq *)); 323 void in_status __P((int)); 324 void in_getaddr __P((const char *, int)); 325 void in_getprefix __P((const char *, int)); 326 #ifdef INET6 327 void in6_fillscopeid __P((struct sockaddr_in6 *sin6)); 328 void in6_alias __P((struct in6_ifreq *)); 329 void in6_status __P((int)); 330 void in6_getaddr __P((const char *, int)); 331 void in6_getprefix __P((const char *, int)); 332 #endif 333 void at_status __P((int)); 334 void at_getaddr __P((const char *, int)); 335 void xns_status __P((int)); 336 void xns_getaddr __P((const char *, int)); 337 void iso_status __P((int)); 338 void iso_getaddr __P((const char *, int)); 339 340 void ieee80211_status __P((void)); 341 void tunnel_status __P((void)); 342 void vlan_status __P((void)); 343 344 /* Known address families */ 345 struct afswtch { 346 const char *af_name; 347 short af_af; 348 void (*af_status) __P((int)); 349 void (*af_getaddr) __P((const char *, int)); 350 void (*af_getprefix) __P((const char *, int)); 351 u_long af_difaddr; 352 u_long af_aifaddr; 353 u_long af_gifaddr; 354 caddr_t af_ridreq; 355 caddr_t af_addreq; 356 } afs[] = { 357 #define C(x) ((caddr_t) &x) 358 { "inet", AF_INET, in_status, in_getaddr, in_getprefix, 359 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(addreq) }, 360 #ifdef INET6 361 { "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix, 362 SIOCDIFADDR_IN6, SIOCAIFADDR_IN6, 363 /* 364 * Deleting the first address before setting new one is 365 * not prefered way in this protocol. 366 */ 367 0, 368 C(in6_ridreq), C(in6_addreq) }, 369 #endif 370 #ifndef INET_ONLY /* small version, for boot media */ 371 { "atalk", AF_APPLETALK, at_status, at_getaddr, NULL, 372 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(addreq), C(addreq) }, 373 { "ns", AF_NS, xns_status, xns_getaddr, NULL, 374 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(addreq) }, 375 { "iso", AF_ISO, iso_status, iso_getaddr, NULL, 376 SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, SIOCGIFADDR_ISO, 377 C(iso_ridreq), C(iso_addreq) }, 378 #endif /* INET_ONLY */ 379 { 0, 0, 0, 0 } 380 }; 381 382 struct afswtch *afp; /*the address family being set or asked about*/ 383 384 struct afswtch *lookup_af __P((const char *)); 385 386 int 387 main(argc, argv) 388 int argc; 389 char *argv[]; 390 { 391 struct ifreq ifreq; 392 int ch; 393 394 /* Parse command-line options */ 395 aflag = mflag = 0; 396 while ((ch = getopt(argc, argv, "AabCdlmsu" 397 #ifdef INET6 398 "L" 399 #endif 400 )) != -1) { 401 switch (ch) { 402 case 'A': 403 Aflag = 1; 404 break; 405 406 case 'a': 407 aflag = 1; 408 break; 409 410 case 'b': 411 bflag = 1; 412 break; 413 414 415 case 'C': 416 Cflag = 1; 417 break; 418 419 case 'd': 420 dflag = 1; 421 break; 422 423 #ifdef INET6 424 case 'L': 425 Lflag = 1; 426 break; 427 #endif 428 429 case 'l': 430 lflag = 1; 431 break; 432 433 case 'm': 434 mflag = 1; 435 break; 436 437 case 's': 438 sflag = 1; 439 break; 440 441 case 'u': 442 uflag = 1; 443 break; 444 445 446 default: 447 usage(); 448 /* NOTREACHED */ 449 } 450 } 451 argc -= optind; 452 argv += optind; 453 454 /* 455 * -l means "list all interfaces", and is mutally exclusive with 456 * all other flags/commands. 457 * 458 * -C means "list all names of cloners", and it mutually exclusive 459 * with all other flags/commands. 460 * 461 * -a means "print status of all interfaces". 462 */ 463 if ((lflag || Cflag) && (aflag || mflag || Aflag || argc)) 464 usage(); 465 #ifdef INET6 466 if ((lflag || Cflag) && Lflag) 467 usage(); 468 #endif 469 if (lflag && Cflag) 470 usage(); 471 if (Cflag) { 472 if (argc) 473 usage(); 474 list_cloners(); 475 exit(0); 476 } 477 if (aflag || lflag) { 478 if (argc > 1) 479 usage(); 480 else if (argc == 1) { 481 afp = lookup_af(argv[0]); 482 if (afp == NULL) 483 usage(); 484 } 485 if (afp) 486 af = ifr.ifr_addr.sa_family = afp->af_af; 487 else 488 af = ifr.ifr_addr.sa_family = afs[0].af_af; 489 printall(); 490 exit(0); 491 } 492 493 /* Make sure there's an interface name. */ 494 if (argc < 1) 495 usage(); 496 (void) strncpy(name, argv[0], sizeof(name)); 497 argc--; argv++; 498 499 /* 500 * NOTE: We must special-case the `create' command right 501 * here as we would otherwise fail in getinfo(). 502 */ 503 if (argc > 0 && strcmp(argv[0], "create") == 0) { 504 clone_create(argv[0], 0); 505 argc--, argv++; 506 if (argc == 0) 507 exit(0); 508 } 509 510 /* Check for address family. */ 511 afp = NULL; 512 if (argc > 0) { 513 afp = lookup_af(argv[0]); 514 if (afp != NULL) { 515 argv++; 516 argc--; 517 } 518 } 519 520 /* Initialize af, just for use in getinfo(). */ 521 if (afp == NULL) 522 af = afs->af_af; 523 else 524 af = afp->af_af; 525 526 /* Get information about the interface. */ 527 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 528 if (getinfo(&ifr) < 0) 529 exit(1); 530 531 if (sflag) { 532 if (argc != 0) 533 usage(); 534 else 535 exit(carrier()); 536 } 537 538 /* No more arguments means interface status. */ 539 if (argc == 0) { 540 status(NULL, 0); 541 exit(0); 542 } 543 544 /* The following operations assume inet family as the default. */ 545 if (afp == NULL) 546 afp = afs; 547 af = ifr.ifr_addr.sa_family = afp->af_af; 548 549 #ifdef INET6 550 /* initialization */ 551 in6_addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; 552 in6_addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; 553 #endif 554 555 /* Process commands. */ 556 while (argc > 0) { 557 const struct cmd *p; 558 559 for (p = cmds; p->c_name; p++) 560 if (strcmp(argv[0], p->c_name) == 0) 561 break; 562 if (p->c_name == 0 && setaddr) { 563 if ((flags & IFF_POINTOPOINT) == 0) { 564 errx(1, "can't set destination address %s", 565 "on non-point-to-point link"); 566 } 567 p++; /* got src, do dst */ 568 } 569 if (p->c_func != NULL || p->c_func2 != NULL) { 570 if (p->c_parameter == NEXTARG) { 571 if (argc < 2) 572 errx(1, "'%s' requires argument", 573 p->c_name); 574 (*p->c_func)(argv[1], 0); 575 argc--, argv++; 576 } else if (p->c_parameter == NEXTARG2) { 577 if (argc < 3) 578 errx(1, "'%s' requires 2 arguments", 579 p->c_name); 580 (*p->c_func2)(argv[1], argv[2]); 581 argc -= 2, argv += 2; 582 } else 583 (*p->c_func)(argv[0], p->c_parameter); 584 actions |= p->c_action; 585 } 586 argc--, argv++; 587 } 588 589 /* Process any media commands that may have been issued. */ 590 process_media_commands(); 591 592 if (af == AF_INET6 && explicit_prefix == 0) { 593 /* 594 * Aggregatable address architecture defines all prefixes 595 * are 64. So, it is convenient to set prefixlen to 64 if 596 * it is not specified. 597 */ 598 setifprefixlen("64", 0); 599 /* in6_getprefix("64", MASK) if MASK is available here... */ 600 } 601 602 #ifndef INET_ONLY 603 if (af == AF_ISO) 604 adjust_nsellength(); 605 606 if (af == AF_APPLETALK) 607 checkatrange((struct sockaddr_at *) &addreq.ifra_addr); 608 609 if (setipdst && af==AF_NS) { 610 struct nsip_req rq; 611 int size = sizeof(rq); 612 613 rq.rq_ns = addreq.ifra_addr; 614 rq.rq_ip = addreq.ifra_dstaddr; 615 616 if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0) 617 warn("encapsulation routing"); 618 } 619 620 #endif /* INET_ONLY */ 621 622 if (clearaddr) { 623 (void) strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name); 624 if (ioctl(s, afp->af_difaddr, afp->af_ridreq) < 0) 625 err(1, "SIOCDIFADDR"); 626 } 627 if (newaddr > 0) { 628 (void) strncpy(afp->af_addreq, name, sizeof ifr.ifr_name); 629 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) < 0) 630 warn("SIOCAIFADDR"); 631 } 632 633 if (reset_if_flags) { 634 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 635 ifreq.ifr_flags = flags; 636 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) < 0) 637 err(1, "SIOCSIFFLAGS"); 638 } 639 exit(0); 640 } 641 642 struct afswtch * 643 lookup_af(cp) 644 const char *cp; 645 { 646 struct afswtch *a; 647 648 for (a = afs; a->af_name != NULL; a++) 649 if (strcmp(a->af_name, cp) == 0) 650 return (a); 651 return (NULL); 652 } 653 654 void 655 getsock(naf) 656 int naf; 657 { 658 static int oaf = -1; 659 660 if (oaf == naf) 661 return; 662 if (oaf != -1) 663 close(s); 664 s = socket(naf, SOCK_DGRAM, 0); 665 if (s < 0) 666 oaf = -1; 667 else 668 oaf = naf; 669 } 670 671 int 672 getinfo(ifr) 673 struct ifreq *ifr; 674 { 675 676 getsock(af); 677 if (s < 0) 678 err(1, "socket"); 679 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)ifr) < 0) { 680 warn("SIOCGIFFLAGS %s", ifr->ifr_name); 681 return (-1); 682 } 683 flags = ifr->ifr_flags; 684 if (ioctl(s, SIOCGIFMETRIC, (caddr_t)ifr) < 0) { 685 warn("SIOCGIFMETRIC %s", ifr->ifr_name); 686 metric = 0; 687 } else 688 metric = ifr->ifr_metric; 689 if (ioctl(s, SIOCGIFMTU, (caddr_t)ifr) < 0) 690 mtu = 0; 691 else 692 mtu = ifr->ifr_mtu; 693 return (0); 694 } 695 696 void 697 printall() 698 { 699 #ifdef HAVE_IFADDRS_H 700 struct ifaddrs *ifap, *ifa; 701 struct ifreq ifr; 702 const struct sockaddr_dl *sdl = NULL; 703 int idx; 704 char *p; 705 706 if (getifaddrs(&ifap) != 0) 707 err(1, "getifaddrs"); 708 p = NULL; 709 idx = 0; 710 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 711 memset(&ifr, 0, sizeof(ifr)); 712 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 713 if (sizeof(ifr.ifr_addr) >= ifa->ifa_addr->sa_len) { 714 memcpy(&ifr.ifr_addr, ifa->ifa_addr, 715 ifa->ifa_addr->sa_len); 716 } 717 718 if (ifa->ifa_addr->sa_family == AF_LINK) 719 sdl = (const struct sockaddr_dl *) ifa->ifa_addr; 720 if (p && strcmp(p, ifa->ifa_name) == 0) 721 continue; 722 (void) strncpy(name, ifa->ifa_name, sizeof(name)); 723 name[sizeof(name) - 1] = '\0'; 724 p = ifa->ifa_name; 725 726 if (getinfo(&ifr) < 0) 727 continue; 728 if (bflag && (ifa->ifa_flags & (IFF_POINTOPOINT|IFF_LOOPBACK))) 729 continue; 730 if (dflag && (ifa->ifa_flags & IFF_UP) != 0) 731 continue; 732 if (uflag && (ifa->ifa_flags & IFF_UP) == 0) 733 continue; 734 735 if (sflag && carrier()) 736 continue; 737 idx++; 738 /* 739 * Are we just listing the interfaces? 740 */ 741 if (lflag) { 742 if (idx > 1) 743 putchar(' '); 744 fputs(name, stdout); 745 continue; 746 } 747 748 if (sdl == NULL) { 749 status(NULL, 0); 750 } else { 751 status(LLADDR(sdl), sdl->sdl_alen); 752 sdl = NULL; 753 } 754 } 755 if (lflag) 756 putchar('\n'); 757 freeifaddrs(ifap); 758 #else 759 char inbuf[8192]; 760 const struct sockaddr_dl *sdl = NULL; 761 struct ifconf ifc; 762 struct ifreq ifreq, *ifr; 763 int i, siz, idx; 764 char ifrbuf[8192], *cp; 765 766 ifc.ifc_len = sizeof(inbuf); 767 ifc.ifc_buf = inbuf; 768 getsock(af); 769 if (s < 0) 770 err(1, "socket"); 771 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 772 err(1, "SIOCGIFCONF"); 773 ifreq.ifr_name[0] = '\0'; 774 for (i = 0, idx = 0; i < ifc.ifc_len; ) { 775 /* Copy the mininum ifreq into the buffer. */ 776 cp = ((caddr_t)ifc.ifc_req + i); 777 memcpy(ifrbuf, cp, sizeof(*ifr)); 778 779 /* Now compute the actual size of the ifreq. */ 780 ifr = (struct ifreq *)ifrbuf; 781 siz = ifr->ifr_addr.sa_len; 782 if (siz < sizeof(ifr->ifr_addr)) 783 siz = sizeof(ifr->ifr_addr); 784 siz += sizeof(ifr->ifr_name); 785 i += siz; 786 787 /* Now copy the whole thing. */ 788 if (sizeof(ifrbuf) < siz) 789 errx(1, "ifr too big"); 790 memcpy(ifrbuf, cp, siz); 791 792 if (ifr->ifr_addr.sa_family == AF_LINK) 793 sdl = (const struct sockaddr_dl *) &ifr->ifr_addr; 794 if (!strncmp(ifreq.ifr_name, ifr->ifr_name, 795 sizeof(ifr->ifr_name))) 796 continue; 797 (void) strncpy(name, ifr->ifr_name, sizeof(ifr->ifr_name)); 798 ifreq = *ifr; 799 800 if (getinfo(&ifreq) < 0) 801 continue; 802 if (bflag && (flags & (IFF_POINTOPOINT|IFF_LOOPBACK))) 803 continue; 804 if (dflag && (flags & IFF_UP) != 0) 805 continue; 806 if (uflag && (flags & IFF_UP) == 0) 807 continue; 808 809 if (sflag && carrier()) 810 continue; 811 idx++; 812 /* 813 * Are we just listing the interfaces? 814 */ 815 if (lflag) { 816 if (idx > 1) 817 putchar(' '); 818 fputs(name, stdout); 819 continue; 820 } 821 822 if (sdl == NULL) { 823 status(NULL, 0); 824 } else { 825 status(LLADDR(sdl), sdl->sdl_alen); 826 sdl = NULL; 827 } 828 } 829 if (lflag) 830 putchar('\n'); 831 #endif 832 } 833 834 void 835 list_cloners(void) 836 { 837 struct if_clonereq ifcr; 838 char *cp, *buf; 839 int idx; 840 841 memset(&ifcr, 0, sizeof(ifcr)); 842 843 getsock(AF_INET); 844 845 if (ioctl(s, SIOCIFGCLONERS, &ifcr) < 0) 846 err(1, "SIOCIFGCLONERS for count"); 847 848 buf = malloc(ifcr.ifcr_total * IFNAMSIZ); 849 if (buf == NULL) 850 err(1, "unable to allocate cloner name buffer"); 851 852 ifcr.ifcr_count = ifcr.ifcr_total; 853 ifcr.ifcr_buffer = buf; 854 855 if (ioctl(s, SIOCIFGCLONERS, &ifcr) < 0) 856 err(1, "SIOCIFGCLONERS for names"); 857 858 /* 859 * In case some disappeared in the mean time, clamp it down. 860 */ 861 if (ifcr.ifcr_count > ifcr.ifcr_total) 862 ifcr.ifcr_count = ifcr.ifcr_total; 863 864 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) { 865 if (idx > 0) 866 putchar(' '); 867 printf("%s", cp); 868 } 869 870 putchar('\n'); 871 free(buf); 872 return; 873 } 874 875 /*ARGSUSED*/ 876 void 877 clone_create(addr, param) 878 const char *addr; 879 int param; 880 { 881 882 /* We're called early... */ 883 getsock(AF_INET); 884 885 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 886 if (ioctl(s, SIOCIFCREATE, &ifr) < 0) 887 err(1, "SIOCIFCREATE"); 888 } 889 890 /*ARGSUSED*/ 891 void 892 clone_destroy(addr, param) 893 const char *addr; 894 int param; 895 { 896 897 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 898 if (ioctl(s, SIOCIFDESTROY, &ifr) < 0) 899 err(1, "SIOCIFDESTROY"); 900 } 901 902 #define RIDADDR 0 903 #define ADDR 1 904 #define MASK 2 905 #define DSTADDR 3 906 907 /*ARGSUSED*/ 908 void 909 setifaddr(addr, param) 910 const char *addr; 911 int param; 912 { 913 struct ifreq *ifr; /* XXX */ 914 915 /* 916 * Delay the ioctl to set the interface addr until flags are all set. 917 * The address interpretation may depend on the flags, 918 * and the flags may change when the address is set. 919 */ 920 setaddr++; 921 if (newaddr == -1) 922 newaddr = 1; 923 if (doalias == 0 && afp->af_gifaddr != 0) { 924 ifr = (struct ifreq *)afp->af_ridreq; 925 (void) strncpy(ifr->ifr_name, name, sizeof(ifr->ifr_name)); 926 ifr->ifr_addr.sa_family = afp->af_af; 927 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0) 928 clearaddr = 1; 929 else if (errno == EADDRNOTAVAIL) 930 /* No address was assigned yet. */ 931 ; 932 else 933 err(1, "SIOCGIFADDR"); 934 } 935 936 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 937 } 938 939 void 940 settunnel(src, dst) 941 const char *src, *dst; 942 { 943 struct addrinfo hints, *srcres, *dstres; 944 int ecode; 945 struct if_laddrreq req; 946 947 memset(&hints, 0, sizeof(hints)); 948 hints.ai_family = afp->af_af; 949 hints.ai_socktype = SOCK_DGRAM; /*dummy*/ 950 951 if ((ecode = getaddrinfo(src, NULL, &hints, &srcres)) != 0) 952 errx(1, "error in parsing address string: %s", 953 gai_strerror(ecode)); 954 955 if ((ecode = getaddrinfo(dst, NULL, &hints, &dstres)) != 0) 956 errx(1, "error in parsing address string: %s", 957 gai_strerror(ecode)); 958 959 if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family) 960 errx(1, 961 "source and destination address families do not match"); 962 963 if (srcres->ai_addrlen > sizeof(req.addr) || 964 dstres->ai_addrlen > sizeof(req.dstaddr)) 965 errx(1, "invalid sockaddr"); 966 967 memset(&req, 0, sizeof(req)); 968 strncpy(req.iflr_name, name, sizeof(req.iflr_name)); 969 memcpy(&req.addr, srcres->ai_addr, srcres->ai_addrlen); 970 memcpy(&req.dstaddr, dstres->ai_addr, dstres->ai_addrlen); 971 if (ioctl(s, SIOCSLIFPHYADDR, &req) < 0) 972 warn("SIOCSLIFPHYADDR"); 973 974 freeaddrinfo(srcres); 975 freeaddrinfo(dstres); 976 } 977 978 /* ARGSUSED */ 979 void 980 deletetunnel(vname, param) 981 const char *vname; 982 int param; 983 { 984 985 if (ioctl(s, SIOCDIFPHYADDR, &ifr) < 0) 986 err(1, "SIOCDIFPHYADDR"); 987 } 988 989 void setvlan(val, d) 990 const char *val; 991 int d; 992 { 993 struct vlanreq vlr; 994 995 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 996 !isdigit(ifr.ifr_name[4])) 997 errx(EXIT_FAILURE, 998 "``vlan'' valid only with vlan(4) interfaces"); 999 1000 vlan_tag = atoi(val); 1001 1002 memset(&vlr, 0, sizeof(vlr)); 1003 ifr.ifr_data = (caddr_t)&vlr; 1004 1005 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1006 err(EXIT_FAILURE, "SIOCGETVLAN"); 1007 1008 vlr.vlr_tag = vlan_tag; 1009 1010 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1011 err(EXIT_FAILURE, "SIOCSETVLAN"); 1012 } 1013 1014 void setvlanif(val, d) 1015 const char *val; 1016 int d; 1017 { 1018 struct vlanreq vlr; 1019 1020 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1021 !isdigit(ifr.ifr_name[4])) 1022 errx(EXIT_FAILURE, 1023 "``vlanif'' valid only with vlan(4) interfaces"); 1024 1025 if (vlan_tag == (u_int)-1) 1026 errx(EXIT_FAILURE, 1027 "must specify both ``vlan'' and ``vlanif''"); 1028 1029 memset(&vlr, 0, sizeof(vlr)); 1030 ifr.ifr_data = (caddr_t)&vlr; 1031 1032 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1033 err(EXIT_FAILURE, "SIOCGETVLAN"); 1034 1035 strlcpy(vlr.vlr_parent, val, sizeof(vlr.vlr_parent)); 1036 vlr.vlr_tag = vlan_tag; 1037 1038 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1039 err(EXIT_FAILURE, "SIOCSETVLAN"); 1040 } 1041 1042 void unsetvlanif(val, d) 1043 const char *val; 1044 int d; 1045 { 1046 struct vlanreq vlr; 1047 1048 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1049 !isdigit(ifr.ifr_name[4])) 1050 errx(EXIT_FAILURE, 1051 "``vlanif'' valid only with vlan(4) interfaces"); 1052 1053 memset(&vlr, 0, sizeof(vlr)); 1054 ifr.ifr_data = (caddr_t)&vlr; 1055 1056 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1057 err(EXIT_FAILURE, "SIOCGETVLAN"); 1058 1059 vlr.vlr_parent[0] = '\0'; 1060 vlr.vlr_tag = 0; 1061 1062 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1063 err(EXIT_FAILURE, "SIOCSETVLAN"); 1064 } 1065 1066 void 1067 setifnetmask(addr, d) 1068 const char *addr; 1069 int d; 1070 { 1071 (*afp->af_getaddr)(addr, MASK); 1072 } 1073 1074 void 1075 setifbroadaddr(addr, d) 1076 const char *addr; 1077 int d; 1078 { 1079 (*afp->af_getaddr)(addr, DSTADDR); 1080 } 1081 1082 void 1083 setifipdst(addr, d) 1084 const char *addr; 1085 int d; 1086 { 1087 in_getaddr(addr, DSTADDR); 1088 setipdst++; 1089 clearaddr = 0; 1090 newaddr = 0; 1091 } 1092 1093 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 1094 /*ARGSUSED*/ 1095 void 1096 notealias(addr, param) 1097 const char *addr; 1098 int param; 1099 { 1100 if (setaddr && doalias == 0 && param < 0) 1101 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 1102 rqtosa(af_addreq)->sa_len); 1103 doalias = param; 1104 if (param < 0) { 1105 clearaddr = 1; 1106 newaddr = 0; 1107 } else 1108 clearaddr = 0; 1109 } 1110 1111 /*ARGSUSED*/ 1112 void 1113 notrailers(vname, value) 1114 const char *vname; 1115 int value; 1116 { 1117 puts("Note: trailers are no longer sent, but always received"); 1118 } 1119 1120 /*ARGSUSED*/ 1121 void 1122 setifdstaddr(addr, param) 1123 const char *addr; 1124 int param; 1125 { 1126 (*afp->af_getaddr)(addr, DSTADDR); 1127 } 1128 1129 void 1130 setifflags(vname, value) 1131 const char *vname; 1132 int value; 1133 { 1134 struct ifreq ifreq; 1135 1136 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 1137 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifreq) < 0) 1138 err(1, "SIOCGIFFLAGS"); 1139 flags = ifreq.ifr_flags; 1140 1141 if (value < 0) { 1142 value = -value; 1143 flags &= ~value; 1144 } else 1145 flags |= value; 1146 ifreq.ifr_flags = flags; 1147 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) < 0) 1148 err(1, "SIOCSIFFLAGS"); 1149 1150 reset_if_flags = 1; 1151 } 1152 1153 #ifdef INET6 1154 void 1155 setia6flags(vname, value) 1156 const char *vname; 1157 int value; 1158 { 1159 if (value < 0) { 1160 value = -value; 1161 in6_addreq.ifra_flags &= ~value; 1162 } else 1163 in6_addreq.ifra_flags |= value; 1164 } 1165 1166 void 1167 setia6pltime(val, d) 1168 const char *val; 1169 int d; 1170 { 1171 setia6lifetime("pltime", val); 1172 } 1173 1174 void 1175 setia6vltime(val, d) 1176 const char *val; 1177 int d; 1178 { 1179 setia6lifetime("vltime", val); 1180 } 1181 1182 void 1183 setia6lifetime(cmd, val) 1184 const char *cmd; 1185 const char *val; 1186 { 1187 time_t newval, t; 1188 char *ep; 1189 1190 t = time(NULL); 1191 newval = (time_t)strtoul(val, &ep, 0); 1192 if (val == ep) 1193 errx(1, "invalid %s", cmd); 1194 if (afp->af_af != AF_INET6) 1195 errx(1, "%s not allowed for the AF", cmd); 1196 if (strcmp(cmd, "vltime") == 0) { 1197 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 1198 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 1199 } else if (strcmp(cmd, "pltime") == 0) { 1200 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 1201 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 1202 } 1203 } 1204 #endif 1205 1206 void 1207 setifmetric(val, d) 1208 const char *val; 1209 int d; 1210 { 1211 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1212 ifr.ifr_metric = atoi(val); 1213 if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) < 0) 1214 warn("SIOCSIFMETRIC"); 1215 } 1216 1217 void 1218 setifmtu(val, d) 1219 const char *val; 1220 int d; 1221 { 1222 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1223 ifr.ifr_mtu = atoi(val); 1224 if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) < 0) 1225 warn("SIOCSIFMTU"); 1226 } 1227 1228 const char * 1229 get_string(val, sep, buf, lenp) 1230 const char *val, *sep; 1231 u_int8_t *buf; 1232 int *lenp; 1233 { 1234 int len; 1235 int hexstr; 1236 u_int8_t *p; 1237 1238 len = *lenp; 1239 p = buf; 1240 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 1241 if (hexstr) 1242 val += 2; 1243 for (;;) { 1244 if (*val == '\0') 1245 break; 1246 if (sep != NULL && strchr(sep, *val) != NULL) { 1247 val++; 1248 break; 1249 } 1250 if (hexstr) { 1251 if (!isxdigit((u_char)val[0]) || 1252 !isxdigit((u_char)val[1])) { 1253 warnx("bad hexadecimal digits"); 1254 return NULL; 1255 } 1256 } 1257 if (p > buf + len) { 1258 if (hexstr) 1259 warnx("hexadecimal digits too long"); 1260 else 1261 warnx("strings too long"); 1262 return NULL; 1263 } 1264 if (hexstr) { 1265 #define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 1266 *p++ = (tohex((u_char)val[0]) << 4) | 1267 tohex((u_char)val[1]); 1268 #undef tohex 1269 val += 2; 1270 } else 1271 *p++ = *val++; 1272 } 1273 len = p - buf; 1274 if (len < *lenp) 1275 memset(p, 0, *lenp - len); 1276 *lenp = len; 1277 return val; 1278 } 1279 1280 void 1281 print_string(buf, len) 1282 const u_int8_t *buf; 1283 int len; 1284 { 1285 int i; 1286 int hasspc; 1287 1288 i = 0; 1289 hasspc = 0; 1290 if (len < 2 || buf[0] != '0' || tolower(buf[1]) != 'x') { 1291 for (; i < len; i++) { 1292 if (!isprint(buf[i])) 1293 break; 1294 if (isspace(buf[i])) 1295 hasspc++; 1296 } 1297 } 1298 if (i == len) { 1299 if (hasspc || len == 0) 1300 printf("\"%.*s\"", len, buf); 1301 else 1302 printf("%.*s", len, buf); 1303 } else { 1304 printf("0x"); 1305 for (i = 0; i < len; i++) 1306 printf("%02x", buf[i]); 1307 } 1308 } 1309 1310 void 1311 setifnwid(val, d) 1312 const char *val; 1313 int d; 1314 { 1315 struct ieee80211_nwid nwid; 1316 int len; 1317 1318 len = sizeof(nwid.i_nwid); 1319 if (get_string(val, NULL, nwid.i_nwid, &len) == NULL) 1320 return; 1321 nwid.i_len = len; 1322 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1323 ifr.ifr_data = (caddr_t)&nwid; 1324 if (ioctl(s, SIOCS80211NWID, (caddr_t)&ifr) < 0) 1325 warn("SIOCS80211NWID"); 1326 } 1327 1328 void 1329 setifnwkey(val, d) 1330 const char *val; 1331 int d; 1332 { 1333 struct ieee80211_nwkey nwkey; 1334 int i; 1335 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1336 1337 nwkey.i_wepon = 1; 1338 nwkey.i_defkid = 1; 1339 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1340 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1341 nwkey.i_key[i].i_keydat = keybuf[i]; 1342 } 1343 if (d != 0) { 1344 /* disable WEP encryption */ 1345 nwkey.i_wepon = 0; 1346 i = 0; 1347 } else if (isdigit(val[0]) && val[1] == ':') { 1348 /* specifying a full set of four keys */ 1349 nwkey.i_defkid = val[0] - '0'; 1350 val += 2; 1351 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1352 val = get_string(val, ",", keybuf[i], 1353 &nwkey.i_key[i].i_keylen); 1354 if (val == NULL) 1355 return; 1356 } 1357 if (*val != '\0') { 1358 warnx("SIOCS80211NWKEY: too many keys."); 1359 return; 1360 } 1361 } else { 1362 val = get_string(val, NULL, keybuf[0], 1363 &nwkey.i_key[0].i_keylen); 1364 if (val == NULL) 1365 return; 1366 i = 1; 1367 } 1368 for (; i < IEEE80211_WEP_NKID; i++) 1369 nwkey.i_key[i].i_keylen = 0; 1370 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1371 if (ioctl(s, SIOCS80211NWKEY, (caddr_t)&nwkey) < 0) 1372 warn("SIOCS80211NWKEY"); 1373 } 1374 1375 void 1376 setifpowersave(val, d) 1377 const char *val; 1378 int d; 1379 { 1380 struct ieee80211_power power; 1381 1382 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1383 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) < 0) { 1384 warn("SIOCG80211POWER"); 1385 return; 1386 } 1387 1388 power.i_enabled = d; 1389 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) < 0) 1390 warn("SIOCS80211POWER"); 1391 } 1392 1393 void 1394 setifpowersavesleep(val, d) 1395 const char *val; 1396 int d; 1397 { 1398 struct ieee80211_power power; 1399 1400 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1401 if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) < 0) { 1402 warn("SIOCG80211POWER"); 1403 return; 1404 } 1405 1406 power.i_maxsleep = atoi(val); 1407 if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) < 0) 1408 warn("SIOCS80211POWER"); 1409 } 1410 1411 void 1412 ieee80211_status() 1413 { 1414 int i; 1415 struct ieee80211_nwid nwid; 1416 struct ieee80211_nwkey nwkey; 1417 struct ieee80211_power power; 1418 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1419 1420 memset(&ifr, 0, sizeof(ifr)); 1421 ifr.ifr_data = (caddr_t)&nwid; 1422 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1423 if (ioctl(s, SIOCG80211NWID, (caddr_t)&ifr) != 0) 1424 return; 1425 if (nwid.i_len > IEEE80211_NWID_LEN) { 1426 warnx("SIOCG80211NWID: wrong length of nwid (%d)", nwid.i_len); 1427 return; 1428 } 1429 printf("\tnwid "); 1430 print_string(nwid.i_nwid, nwid.i_len); 1431 memset(&nwkey, 0, sizeof(nwkey)); 1432 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1433 /* show nwkey only when WEP is enabled */ 1434 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) != 0 || 1435 nwkey.i_wepon == 0) { 1436 printf("\n"); 1437 goto skip_wep; 1438 } 1439 1440 printf(" nwkey "); 1441 /* try to retrieve WEP keys */ 1442 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1443 nwkey.i_key[i].i_keydat = keybuf[i]; 1444 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1445 } 1446 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) != 0) { 1447 printf("*****"); 1448 } else { 1449 if (nwkey.i_defkid != 1) { 1450 /* non default key or multiple keys defined */ 1451 i = 0; 1452 } else if (nwkey.i_key[0].i_keylen >= 2 && 1453 isdigit(nwkey.i_key[0].i_keydat[0]) && 1454 nwkey.i_key[0].i_keydat[1] == ':') { 1455 /* ambiguous */ 1456 i = 0; 1457 } else { 1458 for (i = 1; i < IEEE80211_WEP_NKID; i++) { 1459 if (nwkey.i_key[i].i_keylen != 0) 1460 break; 1461 } 1462 } 1463 if (i == IEEE80211_WEP_NKID) { 1464 /* only show the first key */ 1465 print_string(nwkey.i_key[0].i_keydat, 1466 nwkey.i_key[0].i_keylen); 1467 } else { 1468 printf("%d:", nwkey.i_defkid); 1469 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1470 if (i > 0) 1471 printf(","); 1472 print_string(nwkey.i_key[i].i_keydat, 1473 nwkey.i_key[i].i_keylen); 1474 } 1475 } 1476 } 1477 printf("\n"); 1478 1479 skip_wep: 1480 (void)strncpy(power.i_name, name, sizeof(power.i_name)); 1481 if (ioctl(s, SIOCG80211POWER, &power) != 0) 1482 return; 1483 printf("\tpowersave "); 1484 if (power.i_enabled) 1485 printf("on (%dms sleep)", power.i_maxsleep); 1486 else 1487 printf("off"); 1488 printf("\n"); 1489 } 1490 1491 void 1492 init_current_media() 1493 { 1494 struct ifmediareq ifmr; 1495 1496 /* 1497 * If we have not yet done so, grab the currently-selected 1498 * media. 1499 */ 1500 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1501 (void) memset(&ifmr, 0, sizeof(ifmr)); 1502 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1503 1504 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1505 /* 1506 * If we get E2BIG, the kernel is telling us 1507 * that there are more, so we can ignore it. 1508 */ 1509 if (errno != E2BIG) 1510 err(1, "SGIOCGIFMEDIA"); 1511 } 1512 1513 media_current = ifmr.ifm_current; 1514 } 1515 1516 /* Sanity. */ 1517 if (IFM_TYPE(media_current) == 0) 1518 errx(1, "%s: no link type?", name); 1519 } 1520 1521 void 1522 process_media_commands() 1523 { 1524 1525 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1526 /* Nothing to do. */ 1527 return; 1528 } 1529 1530 /* 1531 * Media already set up, and commands sanity-checked. Set/clear 1532 * any options, and we're ready to go. 1533 */ 1534 media_current |= mediaopt_set; 1535 media_current &= ~mediaopt_clear; 1536 1537 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1538 ifr.ifr_media = media_current; 1539 1540 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0) 1541 err(1, "SIOCSIFMEDIA"); 1542 } 1543 1544 void 1545 setmedia(val, d) 1546 const char *val; 1547 int d; 1548 { 1549 int type, subtype, inst; 1550 1551 init_current_media(); 1552 1553 /* Only one media command may be given. */ 1554 if (actions & A_MEDIA) 1555 errx(1, "only one `media' command may be issued"); 1556 1557 /* Must not come after mediaopt commands */ 1558 if (actions & A_MEDIAOPT) 1559 errx(1, "may not issue `media' after `mediaopt' commands"); 1560 1561 /* 1562 * No need to check if `instance' has been issued; setmediainst() 1563 * craps out if `media' has not been specified. 1564 */ 1565 1566 type = IFM_TYPE(media_current); 1567 inst = IFM_INST(media_current); 1568 1569 /* Look up the subtype. */ 1570 subtype = get_media_subtype(type, val); 1571 1572 /* Build the new current media word. */ 1573 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1574 1575 /* Media will be set after other processing is complete. */ 1576 } 1577 1578 void 1579 setmediaopt(val, d) 1580 const char *val; 1581 int d; 1582 { 1583 1584 init_current_media(); 1585 1586 /* Can only issue `mediaopt' once. */ 1587 if (actions & A_MEDIAOPTSET) 1588 errx(1, "only one `mediaopt' command may be issued"); 1589 1590 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1591 if (actions & A_MEDIAINST) 1592 errx(1, "may not issue `mediaopt' after `instance'"); 1593 1594 mediaopt_set = get_media_options(IFM_TYPE(media_current), val); 1595 1596 /* Media will be set after other processing is complete. */ 1597 } 1598 1599 void 1600 unsetmediaopt(val, d) 1601 const char *val; 1602 int d; 1603 { 1604 1605 init_current_media(); 1606 1607 /* Can only issue `-mediaopt' once. */ 1608 if (actions & A_MEDIAOPTCLR) 1609 errx(1, "only one `-mediaopt' command may be issued"); 1610 1611 /* May not issue `media' and `-mediaopt'. */ 1612 if (actions & A_MEDIA) 1613 errx(1, "may not issue both `media' and `-mediaopt'"); 1614 1615 /* 1616 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1617 * implicitly checks for A_MEDIAINST. 1618 */ 1619 1620 mediaopt_clear = get_media_options(IFM_TYPE(media_current), val); 1621 1622 /* Media will be set after other processing is complete. */ 1623 } 1624 1625 void 1626 setmediainst(val, d) 1627 const char *val; 1628 int d; 1629 { 1630 int type, subtype, options, inst; 1631 1632 init_current_media(); 1633 1634 /* Can only issue `instance' once. */ 1635 if (actions & A_MEDIAINST) 1636 errx(1, "only one `instance' command may be issued"); 1637 1638 /* Must have already specified `media' */ 1639 if ((actions & A_MEDIA) == 0) 1640 errx(1, "must specify `media' before `instance'"); 1641 1642 type = IFM_TYPE(media_current); 1643 subtype = IFM_SUBTYPE(media_current); 1644 options = IFM_OPTIONS(media_current); 1645 1646 inst = atoi(val); 1647 if (inst < 0 || inst > IFM_INST_MAX) 1648 errx(1, "invalid media instance: %s", val); 1649 1650 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1651 1652 /* Media will be set after other processing is complete. */ 1653 } 1654 1655 struct ifmedia_description ifm_type_descriptions[] = 1656 IFM_TYPE_DESCRIPTIONS; 1657 1658 struct ifmedia_description ifm_subtype_descriptions[] = 1659 IFM_SUBTYPE_DESCRIPTIONS; 1660 1661 struct ifmedia_description ifm_option_descriptions[] = 1662 IFM_OPTION_DESCRIPTIONS; 1663 1664 const char * 1665 get_media_type_string(mword) 1666 int mword; 1667 { 1668 struct ifmedia_description *desc; 1669 1670 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; 1671 desc++) { 1672 if (IFM_TYPE(mword) == desc->ifmt_word) 1673 return (desc->ifmt_string); 1674 } 1675 return ("<unknown type>"); 1676 } 1677 1678 const char * 1679 get_media_subtype_string(mword) 1680 int mword; 1681 { 1682 struct ifmedia_description *desc; 1683 1684 for (desc = ifm_subtype_descriptions; desc->ifmt_string != NULL; 1685 desc++) { 1686 if (IFM_TYPE_MATCH(desc->ifmt_word, mword) && 1687 IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(mword)) 1688 return (desc->ifmt_string); 1689 } 1690 return ("<unknown subtype>"); 1691 } 1692 1693 int 1694 get_media_subtype(type, val) 1695 int type; 1696 const char *val; 1697 { 1698 int rval; 1699 1700 rval = lookup_media_word(ifm_subtype_descriptions, type, val); 1701 if (rval == -1) 1702 errx(1, "unknown %s media subtype: %s", 1703 get_media_type_string(type), val); 1704 1705 return (rval); 1706 } 1707 1708 int 1709 get_media_options(type, val) 1710 int type; 1711 const char *val; 1712 { 1713 char *optlist, *str; 1714 int option, rval = 0; 1715 1716 /* We muck with the string, so copy it. */ 1717 optlist = strdup(val); 1718 if (optlist == NULL) 1719 err(1, "strdup"); 1720 str = optlist; 1721 1722 /* 1723 * Look up the options in the user-provided comma-separated list. 1724 */ 1725 for (; (str = strtok(str, ",")) != NULL; str = NULL) { 1726 option = lookup_media_word(ifm_option_descriptions, type, str); 1727 if (option == -1) 1728 errx(1, "unknown %s media option: %s", 1729 get_media_type_string(type), str); 1730 rval |= IFM_OPTIONS(option); 1731 } 1732 1733 free(optlist); 1734 return (rval); 1735 } 1736 1737 int 1738 lookup_media_word(desc, type, val) 1739 struct ifmedia_description *desc; 1740 int type; 1741 const char *val; 1742 { 1743 1744 for (; desc->ifmt_string != NULL; desc++) { 1745 if (IFM_TYPE_MATCH(desc->ifmt_word, type) && 1746 strcasecmp(desc->ifmt_string, val) == 0) 1747 return (desc->ifmt_word); 1748 } 1749 return (-1); 1750 } 1751 1752 void 1753 print_media_word(ifmw, print_type, as_syntax) 1754 int ifmw, print_type, as_syntax; 1755 { 1756 struct ifmedia_description *desc; 1757 int seen_option = 0; 1758 1759 if (print_type) 1760 printf("%s ", get_media_type_string(ifmw)); 1761 printf("%s%s", as_syntax ? "media " : "", 1762 get_media_subtype_string(ifmw)); 1763 1764 /* Find options. */ 1765 for (desc = ifm_option_descriptions; desc->ifmt_string != NULL; 1766 desc++) { 1767 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && 1768 (ifmw & IFM_OPTIONS(desc->ifmt_word)) != 0 && 1769 (seen_option & IFM_OPTIONS(desc->ifmt_word)) == 0) { 1770 if (seen_option == 0) 1771 printf(" %s", as_syntax ? "mediaopt " : ""); 1772 printf("%s%s", seen_option ? "," : "", 1773 desc->ifmt_string); 1774 seen_option |= IFM_OPTIONS(desc->ifmt_word); 1775 } 1776 } 1777 if (IFM_INST(ifmw) != 0) 1778 printf(" instance %d", IFM_INST(ifmw)); 1779 } 1780 1781 int carrier() 1782 { 1783 struct ifmediareq ifmr; 1784 1785 (void) memset(&ifmr, 0, sizeof(ifmr)); 1786 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1787 1788 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1789 /* 1790 * Interface doesn't support SIOC{G,S}IFMEDIA; 1791 * assume ok. 1792 */ 1793 return 0; 1794 } 1795 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1796 /* 1797 * Interface doesn't report media-valid status. 1798 * assume ok. 1799 */ 1800 return 0; 1801 } 1802 /* otherwise, return ok for active, not-ok if not active. */ 1803 return !(ifmr.ifm_status & IFM_ACTIVE); 1804 } 1805 1806 1807 #define IFFBITS \ 1808 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 1809 \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 1810 1811 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1812 1813 const struct ifmedia_status_description ifm_status_descriptions[] = 1814 IFM_STATUS_DESCRIPTIONS; 1815 1816 /* 1817 * Print the status of the interface. If an address family was 1818 * specified, show it and it only; otherwise, show them all. 1819 */ 1820 void 1821 status(ap, alen) 1822 const u_int8_t *ap; 1823 int alen; 1824 { 1825 struct afswtch *p = afp; 1826 struct ifmediareq ifmr; 1827 int *media_list, i; 1828 1829 printf("%s: ", name); 1830 printb("flags", flags, IFFBITS); 1831 if (metric) 1832 printf(" metric %d", metric); 1833 if (mtu) 1834 printf(" mtu %d", mtu); 1835 putchar('\n'); 1836 1837 ieee80211_status(); 1838 vlan_status(); 1839 tunnel_status(); 1840 1841 if (ap && alen > 0) { 1842 printf("\taddress:"); 1843 for (i = 0; i < alen; i++, ap++) 1844 printf("%c%02x", i > 0 ? ':' : ' ', *ap); 1845 putchar('\n'); 1846 } 1847 1848 (void) memset(&ifmr, 0, sizeof(ifmr)); 1849 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1850 1851 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1852 /* 1853 * Interface doesn't support SIOC{G,S}IFMEDIA. 1854 */ 1855 goto proto_status; 1856 } 1857 1858 if (ifmr.ifm_count == 0) { 1859 warnx("%s: no media types?", name); 1860 goto proto_status; 1861 } 1862 1863 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1864 if (media_list == NULL) 1865 err(1, "malloc"); 1866 ifmr.ifm_ulist = media_list; 1867 1868 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) 1869 err(1, "SIOCGIFMEDIA"); 1870 1871 printf("\tmedia: "); 1872 print_media_word(ifmr.ifm_current, 1, 0); 1873 if (ifmr.ifm_active != ifmr.ifm_current) { 1874 putchar(' '); 1875 putchar('('); 1876 print_media_word(ifmr.ifm_active, 0, 0); 1877 putchar(')'); 1878 } 1879 putchar('\n'); 1880 1881 if (ifmr.ifm_status & IFM_STATUS_VALID) { 1882 const struct ifmedia_status_description *ifms; 1883 int bitno, found = 0; 1884 1885 printf("\tstatus: "); 1886 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 1887 for (ifms = ifm_status_descriptions; 1888 ifms->ifms_valid != 0; ifms++) { 1889 if (ifms->ifms_type != 1890 IFM_TYPE(ifmr.ifm_current) || 1891 ifms->ifms_valid != 1892 ifm_status_valid_list[bitno]) 1893 continue; 1894 printf("%s%s", found ? ", " : "", 1895 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 1896 found = 1; 1897 1898 /* 1899 * For each valid indicator bit, there's 1900 * only one entry for each media type, so 1901 * terminate the inner loop now. 1902 */ 1903 break; 1904 } 1905 } 1906 1907 if (found == 0) 1908 printf("unknown"); 1909 putchar('\n'); 1910 } 1911 1912 if (mflag) { 1913 int type, printed_type; 1914 1915 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 1916 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 1917 if (IFM_TYPE(media_list[i]) == type) { 1918 if (printed_type == 0) { 1919 printf("\tsupported %s media:\n", 1920 get_media_type_string(type)); 1921 printed_type = 1; 1922 } 1923 printf("\t\t"); 1924 print_media_word(media_list[i], 0, 1); 1925 printf("\n"); 1926 } 1927 } 1928 } 1929 } 1930 1931 free(media_list); 1932 1933 proto_status: 1934 if ((p = afp) != NULL) { 1935 (*p->af_status)(1); 1936 } else for (p = afs; p->af_name; p++) { 1937 ifr.ifr_addr.sa_family = p->af_af; 1938 (*p->af_status)(0); 1939 } 1940 } 1941 1942 void 1943 tunnel_status() 1944 { 1945 char psrcaddr[NI_MAXHOST]; 1946 char pdstaddr[NI_MAXHOST]; 1947 const char *ver = ""; 1948 #ifdef NI_WITHSCOPEID 1949 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 1950 #else 1951 const int niflag = NI_NUMERICHOST; 1952 #endif 1953 struct if_laddrreq req; 1954 1955 psrcaddr[0] = pdstaddr[0] = '\0'; 1956 1957 memset(&req, 0, sizeof(req)); 1958 strncpy(req.iflr_name, name, IFNAMSIZ); 1959 if (ioctl(s, SIOCGLIFPHYADDR, (caddr_t)&req) < 0) 1960 return; 1961 #ifdef INET6 1962 if (req.addr.ss_family == AF_INET6) 1963 in6_fillscopeid((struct sockaddr_in6 *)&req.addr); 1964 #endif 1965 getnameinfo((struct sockaddr *)&req.addr, req.addr.ss_len, 1966 psrcaddr, sizeof(psrcaddr), 0, 0, niflag); 1967 #ifdef INET6 1968 if (req.addr.ss_family == AF_INET6) 1969 ver = "6"; 1970 #endif 1971 1972 #ifdef INET6 1973 if (req.dstaddr.ss_family == AF_INET6) 1974 in6_fillscopeid((struct sockaddr_in6 *)&req.dstaddr); 1975 #endif 1976 getnameinfo((struct sockaddr *)&req.dstaddr, req.dstaddr.ss_len, 1977 pdstaddr, sizeof(pdstaddr), 0, 0, niflag); 1978 1979 printf("\ttunnel inet%s %s --> %s\n", ver, psrcaddr, pdstaddr); 1980 } 1981 1982 void 1983 vlan_status() 1984 { 1985 struct vlanreq vlr; 1986 1987 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1988 !isdigit(ifr.ifr_name[4])) 1989 return; 1990 1991 memset(&vlr, 0, sizeof(vlr)); 1992 ifr.ifr_data = (caddr_t)&vlr; 1993 1994 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1995 return; 1996 1997 if (vlr.vlr_tag || vlr.vlr_parent[0] != '\0') 1998 printf("\tvlan: %d parent: %s\n", 1999 vlr.vlr_tag, vlr.vlr_parent[0] == '\0' ? 2000 "<none>" : vlr.vlr_parent); 2001 } 2002 2003 void 2004 in_alias(creq) 2005 struct ifreq *creq; 2006 { 2007 struct sockaddr_in *sin; 2008 int alias; 2009 2010 if (lflag) 2011 return; 2012 2013 alias = 1; 2014 2015 /* Get the non-alias address for this interface. */ 2016 getsock(AF_INET); 2017 if (s < 0) { 2018 if (errno == EPROTONOSUPPORT) 2019 return; 2020 err(1, "socket"); 2021 } 2022 (void) memset(&ifr, 0, sizeof(ifr)); 2023 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2024 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 2025 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2026 return; 2027 } else 2028 warn("SIOCGIFADDR"); 2029 } 2030 /* If creq and ifr are the same address, this is not an alias. */ 2031 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 2032 sizeof(creq->ifr_addr)) == 0) 2033 alias = 0; 2034 /* we print aliases only with -A */ 2035 if (alias && !Aflag) 2036 return; 2037 (void) memset(&addreq, 0, sizeof(addreq)); 2038 (void) strncpy(addreq.ifra_name, name, sizeof(addreq.ifra_name)); 2039 addreq.ifra_addr = creq->ifr_addr; 2040 if (ioctl(s, SIOCGIFALIAS, (caddr_t)&addreq) < 0) { 2041 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2042 return; 2043 } else 2044 warn("SIOCGIFALIAS"); 2045 } 2046 2047 sin = (struct sockaddr_in *)&addreq.ifra_addr; 2048 printf("\tinet %s%s", alias ? "alias " : "", inet_ntoa(sin->sin_addr)); 2049 2050 if (flags & IFF_POINTOPOINT) { 2051 sin = (struct sockaddr_in *)&addreq.ifra_dstaddr; 2052 printf(" -> %s", inet_ntoa(sin->sin_addr)); 2053 } 2054 2055 sin = (struct sockaddr_in *)&addreq.ifra_mask; 2056 printf(" netmask 0x%x", ntohl(sin->sin_addr.s_addr)); 2057 2058 if (flags & IFF_BROADCAST) { 2059 sin = (struct sockaddr_in *)&addreq.ifra_broadaddr; 2060 printf(" broadcast %s", inet_ntoa(sin->sin_addr)); 2061 } 2062 printf("\n"); 2063 } 2064 2065 void 2066 in_status(force) 2067 int force; 2068 { 2069 #ifdef HAVE_IFADDRS_H 2070 struct ifaddrs *ifap, *ifa; 2071 struct ifreq ifr; 2072 2073 if (getifaddrs(&ifap) != 0) 2074 err(1, "getifaddrs"); 2075 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2076 if (strcmp(name, ifa->ifa_name) != 0) 2077 continue; 2078 if (ifa->ifa_addr->sa_family != AF_INET) 2079 continue; 2080 if (sizeof(ifr.ifr_addr) < ifa->ifa_addr->sa_len) 2081 continue; 2082 2083 memset(&ifr, 0, sizeof(ifr)); 2084 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 2085 memcpy(&ifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2086 in_alias(&ifr); 2087 } 2088 freeifaddrs(ifap); 2089 #else 2090 char inbuf[8192]; 2091 struct ifconf ifc; 2092 struct ifreq *ifr; 2093 int i, siz; 2094 char ifrbuf[8192], *cp; 2095 2096 ifc.ifc_len = sizeof(inbuf); 2097 ifc.ifc_buf = inbuf; 2098 getsock(af); 2099 if (s < 0) 2100 err(1, "socket"); 2101 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 2102 err(1, "SIOCGIFCONF"); 2103 for (i = 0; i < ifc.ifc_len; ) { 2104 /* Copy the mininum ifreq into the buffer. */ 2105 cp = ((caddr_t)ifc.ifc_req + i); 2106 memcpy(ifrbuf, cp, sizeof(*ifr)); 2107 2108 /* Now compute the actual size of the ifreq. */ 2109 ifr = (struct ifreq *)ifrbuf; 2110 siz = ifr->ifr_addr.sa_len; 2111 if (siz < sizeof(ifr->ifr_addr)) 2112 siz = sizeof(ifr->ifr_addr); 2113 siz += sizeof(ifr->ifr_name); 2114 i += siz; 2115 2116 /* Now copy the whole thing. */ 2117 if (sizeof(ifrbuf) < siz) 2118 errx(1, "ifr too big"); 2119 memcpy(ifrbuf, cp, siz); 2120 2121 if (!strncmp(name, ifr->ifr_name, sizeof(ifr->ifr_name))) { 2122 if (ifr->ifr_addr.sa_family == AF_INET) 2123 in_alias(ifr); 2124 } 2125 } 2126 #endif 2127 } 2128 2129 void 2130 setifprefixlen(addr, d) 2131 const char *addr; 2132 int d; 2133 { 2134 if (*afp->af_getprefix) 2135 (*afp->af_getprefix)(addr, MASK); 2136 explicit_prefix = 1; 2137 } 2138 2139 #ifdef INET6 2140 void 2141 in6_fillscopeid(sin6) 2142 struct sockaddr_in6 *sin6; 2143 { 2144 #if defined(__KAME__) && defined(KAME_SCOPEID) 2145 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 2146 sin6->sin6_scope_id = 2147 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 2148 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 2149 } 2150 #endif 2151 } 2152 2153 /* XXX not really an alias */ 2154 void 2155 in6_alias(creq) 2156 struct in6_ifreq *creq; 2157 { 2158 struct sockaddr_in6 *sin6; 2159 char hbuf[NI_MAXHOST]; 2160 u_int32_t scopeid; 2161 #ifdef NI_WITHSCOPEID 2162 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 2163 #else 2164 const int niflag = NI_NUMERICHOST; 2165 #endif 2166 2167 /* Get the non-alias address for this interface. */ 2168 getsock(AF_INET6); 2169 if (s < 0) { 2170 if (errno == EPROTONOSUPPORT) 2171 return; 2172 err(1, "socket"); 2173 } 2174 2175 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 2176 2177 in6_fillscopeid(sin6); 2178 scopeid = sin6->sin6_scope_id; 2179 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2180 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2181 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2182 printf("\tinet6 %s", hbuf); 2183 2184 if (flags & IFF_POINTOPOINT) { 2185 (void) memset(&ifr6, 0, sizeof(ifr6)); 2186 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2187 ifr6.ifr_addr = creq->ifr_addr; 2188 if (ioctl(s, SIOCGIFDSTADDR_IN6, (caddr_t)&ifr6) < 0) { 2189 if (errno != EADDRNOTAVAIL) 2190 warn("SIOCGIFDSTADDR_IN6"); 2191 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 2192 ifr6.ifr_addr.sin6_family = AF_INET6; 2193 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 2194 } 2195 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2196 in6_fillscopeid(sin6); 2197 hbuf[0] = '\0'; 2198 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2199 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2200 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2201 printf(" -> %s", hbuf); 2202 } 2203 2204 (void) memset(&ifr6, 0, sizeof(ifr6)); 2205 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2206 ifr6.ifr_addr = creq->ifr_addr; 2207 if (ioctl(s, SIOCGIFNETMASK_IN6, (caddr_t)&ifr6) < 0) { 2208 if (errno != EADDRNOTAVAIL) 2209 warn("SIOCGIFNETMASK_IN6"); 2210 } else { 2211 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2212 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 2213 sizeof(struct in6_addr))); 2214 } 2215 2216 (void) memset(&ifr6, 0, sizeof(ifr6)); 2217 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2218 ifr6.ifr_addr = creq->ifr_addr; 2219 if (ioctl(s, SIOCGIFAFLAG_IN6, (caddr_t)&ifr6) < 0) { 2220 if (errno != EADDRNOTAVAIL) 2221 warn("SIOCGIFAFLAG_IN6"); 2222 } else { 2223 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 2224 printf(" anycast"); 2225 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 2226 printf(" tentative"); 2227 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 2228 printf(" duplicated"); 2229 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 2230 printf(" detached"); 2231 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DEPRECATED) 2232 printf(" deprecated"); 2233 } 2234 2235 if (scopeid) 2236 printf(" scopeid 0x%x", scopeid); 2237 2238 if (Lflag) { 2239 struct in6_addrlifetime *lifetime; 2240 (void) memset(&ifr6, 0, sizeof(ifr6)); 2241 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2242 ifr6.ifr_addr = creq->ifr_addr; 2243 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 2244 if (ioctl(s, SIOCGIFALIFETIME_IN6, (caddr_t)&ifr6) < 0) { 2245 if (errno != EADDRNOTAVAIL) 2246 warn("SIOCGIFALIFETIME_IN6"); 2247 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 2248 time_t t = time(NULL); 2249 printf(" pltime "); 2250 if (lifetime->ia6t_preferred) { 2251 printf("%s", lifetime->ia6t_preferred < t 2252 ? "0" 2253 : sec2str(lifetime->ia6t_preferred - t)); 2254 } else 2255 printf("infty"); 2256 2257 printf(" vltime "); 2258 if (lifetime->ia6t_expire) { 2259 printf("%s", lifetime->ia6t_expire < t 2260 ? "0" 2261 : sec2str(lifetime->ia6t_expire - t)); 2262 } else 2263 printf("infty"); 2264 } 2265 } 2266 2267 printf("\n"); 2268 } 2269 2270 void 2271 in6_status(force) 2272 int force; 2273 { 2274 #ifdef HAVE_IFADDRS_H 2275 struct ifaddrs *ifap, *ifa; 2276 struct in6_ifreq ifr; 2277 2278 if (getifaddrs(&ifap) != 0) 2279 err(1, "getifaddrs"); 2280 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2281 if (strcmp(name, ifa->ifa_name) != 0) 2282 continue; 2283 if (ifa->ifa_addr->sa_family != AF_INET6) 2284 continue; 2285 if (sizeof(ifr.ifr_addr) < ifa->ifa_addr->sa_len) 2286 continue; 2287 2288 memset(&ifr, 0, sizeof(ifr)); 2289 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 2290 memcpy(&ifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2291 in6_alias(&ifr); 2292 } 2293 freeifaddrs(ifap); 2294 #else 2295 char inbuf[8192]; 2296 struct ifconf ifc; 2297 struct ifreq *ifr; 2298 int i, siz; 2299 char ifrbuf[8192], *cp; 2300 2301 ifc.ifc_len = sizeof(inbuf); 2302 ifc.ifc_buf = inbuf; 2303 getsock(af); 2304 if (s < 0) 2305 err(1, "socket"); 2306 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 2307 err(1, "SIOCGIFCONF"); 2308 for (i = 0; i < ifc.ifc_len; ) { 2309 /* Copy the mininum ifreq into the buffer. */ 2310 cp = ((caddr_t)ifc.ifc_req + i); 2311 memcpy(ifrbuf, cp, sizeof(*ifr)); 2312 2313 /* Now compute the actual size of the ifreq. */ 2314 ifr = (struct ifreq *)ifrbuf; 2315 siz = ifr->ifr_addr.sa_len; 2316 if (siz < sizeof(ifr->ifr_addr)) 2317 siz = sizeof(ifr->ifr_addr); 2318 siz += sizeof(ifr->ifr_name); 2319 i += siz; 2320 2321 /* Now copy the whole thing. */ 2322 if (sizeof(ifrbuf) < siz) 2323 errx(1, "ifr too big"); 2324 memcpy(ifrbuf, cp, siz); 2325 2326 if (!strncmp(name, ifr->ifr_name, sizeof(ifr->ifr_name))) { 2327 if (ifr->ifr_addr.sa_family == AF_INET6) 2328 in6_alias((struct in6_ifreq *)ifr); 2329 } 2330 } 2331 #endif 2332 } 2333 #endif /*INET6*/ 2334 2335 #ifndef INET_ONLY 2336 2337 void 2338 at_status(force) 2339 int force; 2340 { 2341 struct sockaddr_at *sat, null_sat; 2342 struct netrange *nr; 2343 2344 getsock(AF_APPLETALK); 2345 if (s < 0) { 2346 if (errno == EPROTONOSUPPORT) 2347 return; 2348 err(1, "socket"); 2349 } 2350 (void) memset(&ifr, 0, sizeof(ifr)); 2351 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2352 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 2353 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2354 if (!force) 2355 return; 2356 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2357 } else 2358 warn("SIOCGIFADDR"); 2359 } 2360 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2361 sat = (struct sockaddr_at *)&ifr.ifr_addr; 2362 2363 (void) memset(&null_sat, 0, sizeof(null_sat)); 2364 2365 nr = (struct netrange *) &sat->sat_zero; 2366 printf("\tatalk %d.%d range %d-%d phase %d", 2367 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2368 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 2369 if (flags & IFF_POINTOPOINT) { 2370 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 2371 if (errno == EADDRNOTAVAIL) 2372 (void) memset(&ifr.ifr_addr, 0, 2373 sizeof(ifr.ifr_addr)); 2374 else 2375 warn("SIOCGIFDSTADDR"); 2376 } 2377 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2378 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 2379 if (!sat) 2380 sat = &null_sat; 2381 printf("--> %d.%d", 2382 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 2383 } 2384 if (flags & IFF_BROADCAST) { 2385 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 2386 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 2387 if (sat) 2388 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 2389 sat->sat_addr.s_node); 2390 } 2391 putchar('\n'); 2392 } 2393 2394 void 2395 xns_status(force) 2396 int force; 2397 { 2398 struct sockaddr_ns *sns; 2399 2400 getsock(AF_NS); 2401 if (s < 0) { 2402 if (errno == EPROTONOSUPPORT) 2403 return; 2404 err(1, "socket"); 2405 } 2406 (void) memset(&ifr, 0, sizeof(ifr)); 2407 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2408 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 2409 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2410 if (!force) 2411 return; 2412 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2413 } else 2414 warn("SIOCGIFADDR"); 2415 } 2416 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2417 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 2418 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 2419 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 2420 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 2421 if (errno == EADDRNOTAVAIL) 2422 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2423 else 2424 warn("SIOCGIFDSTADDR"); 2425 } 2426 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2427 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 2428 printf("--> %s ", ns_ntoa(sns->sns_addr)); 2429 } 2430 putchar('\n'); 2431 } 2432 2433 void 2434 iso_status(force) 2435 int force; 2436 { 2437 struct sockaddr_iso *siso; 2438 struct iso_ifreq ifr; 2439 2440 getsock(AF_ISO); 2441 if (s < 0) { 2442 if (errno == EPROTONOSUPPORT) 2443 return; 2444 err(1, "socket"); 2445 } 2446 (void) memset(&ifr, 0, sizeof(ifr)); 2447 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2448 if (ioctl(s, SIOCGIFADDR_ISO, (caddr_t)&ifr) < 0) { 2449 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2450 if (!force) 2451 return; 2452 (void) memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2453 } else 2454 warn("SIOCGIFADDR_ISO"); 2455 } 2456 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2457 siso = &ifr.ifr_Addr; 2458 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 2459 if (ioctl(s, SIOCGIFNETMASK_ISO, (caddr_t)&ifr) < 0) { 2460 if (errno == EADDRNOTAVAIL) 2461 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2462 else 2463 warn("SIOCGIFNETMASK_ISO"); 2464 } else { 2465 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 2466 siso->siso_addr.isoa_len = siso->siso_len 2467 - offsetof(struct sockaddr_iso, siso_addr); 2468 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 2469 } 2470 if (flags & IFF_POINTOPOINT) { 2471 if (ioctl(s, SIOCGIFDSTADDR_ISO, (caddr_t)&ifr) < 0) { 2472 if (errno == EADDRNOTAVAIL) 2473 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2474 else 2475 warn("SIOCGIFDSTADDR_ISO"); 2476 } 2477 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2478 siso = &ifr.ifr_Addr; 2479 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 2480 } 2481 putchar('\n'); 2482 } 2483 2484 #endif /* INET_ONLY */ 2485 2486 #define SIN(x) ((struct sockaddr_in *) &(x)) 2487 struct sockaddr_in *sintab[] = { 2488 SIN(ridreq.ifr_addr), SIN(addreq.ifra_addr), 2489 SIN(addreq.ifra_mask), SIN(addreq.ifra_broadaddr)}; 2490 2491 void 2492 in_getaddr(s, which) 2493 const char *s; 2494 int which; 2495 { 2496 struct sockaddr_in *sin = sintab[which]; 2497 struct hostent *hp; 2498 struct netent *np; 2499 2500 sin->sin_len = sizeof(*sin); 2501 if (which != MASK) 2502 sin->sin_family = AF_INET; 2503 2504 if (which == ADDR) { 2505 char *p = NULL; 2506 if ((p = strrchr(s, '/')) != NULL) { 2507 *p = '\0'; 2508 in_getprefix(p + 1, MASK); 2509 } 2510 } 2511 2512 if (inet_aton(s, &sin->sin_addr) == 0) { 2513 if ((hp = gethostbyname(s)) != NULL) 2514 (void) memcpy(&sin->sin_addr, hp->h_addr, hp->h_length); 2515 else if ((np = getnetbyname(s)) != NULL) 2516 sin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 2517 else 2518 errx(1, "%s: bad value", s); 2519 } 2520 } 2521 2522 void 2523 in_getprefix(plen, which) 2524 const char *plen; 2525 int which; 2526 { 2527 register struct sockaddr_in *sin = sintab[which]; 2528 register u_char *cp; 2529 int len = strtol(plen, (char **)NULL, 10); 2530 2531 if ((len < 0) || (len > 32)) 2532 errx(1, "%s: bad value", plen); 2533 sin->sin_len = sizeof(*sin); 2534 if (which != MASK) 2535 sin->sin_family = AF_INET; 2536 if ((len == 0) || (len == 32)) { 2537 memset(&sin->sin_addr, 0xff, sizeof(struct in_addr)); 2538 return; 2539 } 2540 memset((void *)&sin->sin_addr, 0x00, sizeof(sin->sin_addr)); 2541 for (cp = (u_char *)&sin->sin_addr; len > 7; len -= 8) 2542 *cp++ = 0xff; 2543 *cp = 0xff << (8 - len); 2544 } 2545 2546 /* 2547 * Print a value a la the %b format of the kernel's printf 2548 */ 2549 void 2550 printb(s, v, bits) 2551 const char *s; 2552 unsigned short v; 2553 const char *bits; 2554 { 2555 int i, any = 0; 2556 char c; 2557 2558 if (bits && *bits == 8) 2559 printf("%s=%o", s, v); 2560 else 2561 printf("%s=%x", s, v); 2562 bits++; 2563 if (bits) { 2564 putchar('<'); 2565 while ((i = *bits++) != 0) { 2566 if (v & (1 << (i-1))) { 2567 if (any) 2568 putchar(','); 2569 any = 1; 2570 for (; (c = *bits) > 32; bits++) 2571 putchar(c); 2572 } else 2573 for (; *bits > 32; bits++) 2574 ; 2575 } 2576 putchar('>'); 2577 } 2578 } 2579 2580 #ifdef INET6 2581 #define SIN6(x) ((struct sockaddr_in6 *) &(x)) 2582 struct sockaddr_in6 *sin6tab[] = { 2583 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 2584 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 2585 2586 void 2587 in6_getaddr(s, which) 2588 const char *s; 2589 int which; 2590 { 2591 #if defined(__KAME__) && defined(KAME_SCOPEID) 2592 struct sockaddr_in6 *sin6 = sin6tab[which]; 2593 struct addrinfo hints, *res; 2594 int error; 2595 2596 memset(&hints, 0, sizeof(hints)); 2597 hints.ai_family = AF_INET6; 2598 hints.ai_socktype = SOCK_DGRAM; 2599 #if 0 /* in_getaddr() allows FQDN */ 2600 hints.ai_flags = AI_NUMERICHOST; 2601 #endif 2602 error = getaddrinfo(s, "0", &hints, &res); 2603 if (error) 2604 errx(1, "%s: %s", s, gai_strerror(error)); 2605 if (res->ai_next) 2606 errx(1, "%s: resolved to multiple hosts", s); 2607 if (res->ai_addrlen != sizeof(struct sockaddr_in6)) 2608 errx(1, "%s: bad value", s); 2609 memcpy(sin6, res->ai_addr, res->ai_addrlen); 2610 freeaddrinfo(res); 2611 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) { 2612 *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = 2613 htons(sin6->sin6_scope_id); 2614 sin6->sin6_scope_id = 0; 2615 } 2616 #else 2617 struct sockaddr_in6 *sin = sin6tab[which]; 2618 2619 sin->sin6_len = sizeof(*sin); 2620 if (which != MASK) 2621 sin->sin6_family = AF_INET6; 2622 2623 if (which == ADDR) { 2624 char *p = NULL; 2625 if((p = strrchr(s, '/')) != NULL) { 2626 *p = '\0'; 2627 in6_getprefix(p + 1, MASK); 2628 explicit_prefix = 1; 2629 } 2630 } 2631 2632 if (inet_pton(AF_INET6, s, &sin->sin6_addr) != 1) 2633 errx(1, "%s: bad value", s); 2634 #endif 2635 } 2636 2637 void 2638 in6_getprefix(plen, which) 2639 const char *plen; 2640 int which; 2641 { 2642 register struct sockaddr_in6 *sin = sin6tab[which]; 2643 register u_char *cp; 2644 int len = strtol(plen, (char **)NULL, 10); 2645 2646 if ((len < 0) || (len > 128)) 2647 errx(1, "%s: bad value", plen); 2648 sin->sin6_len = sizeof(*sin); 2649 if (which != MASK) 2650 sin->sin6_family = AF_INET6; 2651 if ((len == 0) || (len == 128)) { 2652 memset(&sin->sin6_addr, 0xff, sizeof(struct in6_addr)); 2653 return; 2654 } 2655 memset((void *)&sin->sin6_addr, 0x00, sizeof(sin->sin6_addr)); 2656 for (cp = (u_char *)&sin->sin6_addr; len > 7; len -= 8) 2657 *cp++ = 0xff; 2658 *cp = 0xff << (8 - len); 2659 } 2660 2661 int 2662 prefix(val, size) 2663 void *val; 2664 int size; 2665 { 2666 register u_char *name = (u_char *)val; 2667 register int byte, bit, plen = 0; 2668 2669 for (byte = 0; byte < size; byte++, plen += 8) 2670 if (name[byte] != 0xff) 2671 break; 2672 if (byte == size) 2673 return (plen); 2674 for (bit = 7; bit != 0; bit--, plen++) 2675 if (!(name[byte] & (1 << bit))) 2676 break; 2677 for (; bit != 0; bit--) 2678 if (name[byte] & (1 << bit)) 2679 return(0); 2680 byte++; 2681 for (; byte < size; byte++) 2682 if (name[byte]) 2683 return(0); 2684 return (plen); 2685 } 2686 #endif /*INET6*/ 2687 2688 #ifndef INET_ONLY 2689 void 2690 at_getaddr(addr, which) 2691 const char *addr; 2692 int which; 2693 { 2694 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 2695 u_int net, node; 2696 2697 sat->sat_family = AF_APPLETALK; 2698 sat->sat_len = sizeof(*sat); 2699 if (which == MASK) 2700 errx(1, "AppleTalk does not use netmasks\n"); 2701 if (sscanf(addr, "%u.%u", &net, &node) != 2 2702 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 2703 errx(1, "%s: illegal address", addr); 2704 sat->sat_addr.s_net = htons(net); 2705 sat->sat_addr.s_node = node; 2706 } 2707 2708 void 2709 setatrange(range, d) 2710 const char *range; 2711 int d; 2712 { 2713 u_short first = 123, last = 123; 2714 2715 if (sscanf(range, "%hu-%hu", &first, &last) != 2 2716 || first == 0 || first > 0xffff 2717 || last == 0 || last > 0xffff || first > last) 2718 errx(1, "%s: illegal net range: %u-%u", range, first, last); 2719 at_nr.nr_firstnet = htons(first); 2720 at_nr.nr_lastnet = htons(last); 2721 } 2722 2723 void 2724 setatphase(phase, d) 2725 const char *phase; 2726 int d; 2727 { 2728 if (!strcmp(phase, "1")) 2729 at_nr.nr_phase = 1; 2730 else if (!strcmp(phase, "2")) 2731 at_nr.nr_phase = 2; 2732 else 2733 errx(1, "%s: illegal phase", phase); 2734 } 2735 2736 void 2737 checkatrange(sat) 2738 struct sockaddr_at *sat; 2739 { 2740 if (at_nr.nr_phase == 0) 2741 at_nr.nr_phase = 2; /* Default phase 2 */ 2742 if (at_nr.nr_firstnet == 0) 2743 at_nr.nr_firstnet = /* Default range of one */ 2744 at_nr.nr_lastnet = sat->sat_addr.s_net; 2745 printf("\tatalk %d.%d range %d-%d phase %d\n", 2746 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2747 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 2748 if ((u_short) ntohs(at_nr.nr_firstnet) > 2749 (u_short) ntohs(sat->sat_addr.s_net) 2750 || (u_short) ntohs(at_nr.nr_lastnet) < 2751 (u_short) ntohs(sat->sat_addr.s_net)) 2752 errx(1, "AppleTalk address is not in range"); 2753 *((struct netrange *) &sat->sat_zero) = at_nr; 2754 } 2755 2756 #define SNS(x) ((struct sockaddr_ns *) &(x)) 2757 struct sockaddr_ns *snstab[] = { 2758 SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 2759 SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 2760 2761 void 2762 xns_getaddr(addr, which) 2763 const char *addr; 2764 int which; 2765 { 2766 struct sockaddr_ns *sns = snstab[which]; 2767 2768 sns->sns_family = AF_NS; 2769 sns->sns_len = sizeof(*sns); 2770 sns->sns_addr = ns_addr(addr); 2771 if (which == MASK) 2772 puts("Attempt to set XNS netmask will be ineffectual"); 2773 } 2774 2775 #define SISO(x) ((struct sockaddr_iso *) &(x)) 2776 struct sockaddr_iso *sisotab[] = { 2777 SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 2778 SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 2779 2780 void 2781 iso_getaddr(addr, which) 2782 const char *addr; 2783 int which; 2784 { 2785 struct sockaddr_iso *siso = sisotab[which]; 2786 siso->siso_addr = *iso_addr(addr); 2787 2788 if (which == MASK) { 2789 siso->siso_len = TSEL(siso) - (caddr_t)(siso); 2790 siso->siso_nlen = 0; 2791 } else { 2792 siso->siso_len = sizeof(*siso); 2793 siso->siso_family = AF_ISO; 2794 } 2795 } 2796 2797 void 2798 setsnpaoffset(val, d) 2799 const char *val; 2800 int d; 2801 { 2802 iso_addreq.ifra_snpaoffset = atoi(val); 2803 } 2804 2805 void 2806 setnsellength(val, d) 2807 const char *val; 2808 int d; 2809 { 2810 nsellength = atoi(val); 2811 if (nsellength < 0) 2812 errx(1, "Negative NSEL length is absurd"); 2813 if (afp == 0 || afp->af_af != AF_ISO) 2814 errx(1, "Setting NSEL length valid only for iso"); 2815 } 2816 2817 void 2818 fixnsel(s) 2819 struct sockaddr_iso *s; 2820 { 2821 if (s->siso_family == 0) 2822 return; 2823 s->siso_tlen = nsellength; 2824 } 2825 2826 void 2827 adjust_nsellength() 2828 { 2829 fixnsel(sisotab[RIDADDR]); 2830 fixnsel(sisotab[ADDR]); 2831 fixnsel(sisotab[DSTADDR]); 2832 } 2833 2834 #endif /* INET_ONLY */ 2835 2836 void 2837 usage() 2838 { 2839 const char *progname = getprogname(); 2840 2841 fprintf(stderr, 2842 "usage: %s [ -m ] [ -A ] " 2843 #ifdef INET6 2844 "[ -L ] " 2845 #endif 2846 "interface\n" 2847 "\t[ af [ address [ dest_addr ] ] [ netmask mask ] [ prefixlen n ]\n" 2848 "\t\t[ alias | -alias ] ]\n" 2849 "\t[ up ] [ down ] [ metric n ] [ mtu n ]\n" 2850 "\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n" 2851 "\t[ powersave | -powersave ] [ powersavesleep duration ]\n" 2852 "\t[ [ af ] tunnel src_addr dest_addr ] [ deletetunnel ]\n" 2853 "\t[ arp | -arp ]\n" 2854 "\t[ media type ] [ mediaopt opts ] [ -mediaopt opts ] " 2855 "[ instance minst ]\n" 2856 "\t[ vlan n vlanif i ]\n" 2857 "\t[ anycast | -anycast ] [ deprecated | -deprecated ]\n" 2858 "\t[ tentative | -tentative ] [ pltime n ] [ vltime n ]\n" 2859 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" 2860 " %s -a [ -A ] [ -m ] [ -d ] [ -u ] [ af ]\n" 2861 " %s -l [ -b ] [ -d ] [ -u ] [ -s ]\n" 2862 " %s -C\n" 2863 " %s interface create\n" 2864 " %s interface destroy\n", 2865 progname, progname, progname, progname, progname, progname); 2866 exit(1); 2867 } 2868 2869 #ifdef INET6 2870 char * 2871 sec2str(total) 2872 time_t total; 2873 { 2874 static char result[256]; 2875 int days, hours, mins, secs; 2876 int first = 1; 2877 char *p = result; 2878 2879 if (0) { /*XXX*/ 2880 days = total / 3600 / 24; 2881 hours = (total / 3600) % 24; 2882 mins = (total / 60) % 60; 2883 secs = total % 60; 2884 2885 if (days) { 2886 first = 0; 2887 p += sprintf(p, "%dd", days); 2888 } 2889 if (!first || hours) { 2890 first = 0; 2891 p += sprintf(p, "%dh", hours); 2892 } 2893 if (!first || mins) { 2894 first = 0; 2895 p += sprintf(p, "%dm", mins); 2896 } 2897 sprintf(p, "%ds", secs); 2898 } else 2899 sprintf(p, "%lu", (u_long)total); 2900 2901 return(result); 2902 } 2903 #endif 2904
Indexes created Tue Sep 30 17:09:57 GMT 2025