ifconfig.c revision 1.88
1 /* $NetBSD: ifconfig.c,v 1.88 2000/07/21 04:53:03 onoe 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 1.88 2000/07/21 04:53:03 onoe 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 <netinet/in.h> 97 #include <netinet/in_var.h> 98 #ifdef INET6 99 #include <netinet6/nd6.h> 100 #endif 101 #include <arpa/inet.h> 102 103 #include <netatalk/at.h> 104 105 #define NSIP 106 #include <netns/ns.h> 107 #include <netns/ns_if.h> 108 #include <netdb.h> 109 110 #define EON 111 #include <netiso/iso.h> 112 #include <netiso/iso_var.h> 113 #include <sys/protosw.h> 114 115 #include <ctype.h> 116 #include <err.h> 117 #include <errno.h> 118 #include <stddef.h> 119 #include <stdio.h> 120 #include <stdlib.h> 121 #include <string.h> 122 #include <unistd.h> 123 #ifdef HAVE_IFADDRS_H 124 #include <ifaddrs.h> 125 #endif 126 127 struct ifreq ifr, ridreq; 128 struct ifaliasreq addreq __attribute__((aligned(4))); 129 #ifdef INET6 130 struct in6_ifreq ifr6; 131 struct in6_ifreq in6_ridreq; 132 struct in6_aliasreq in6_addreq __attribute__((aligned(4))); 133 #endif 134 struct iso_ifreq iso_ridreq; 135 struct iso_aliasreq iso_addreq; 136 struct sockaddr_in netmask; 137 struct netrange at_nr; /* AppleTalk net range */ 138 139 char name[30]; 140 int flags, metric, mtu, setaddr, setipdst, doalias; 141 int clearaddr, s; 142 int newaddr = -1; 143 int nsellength = 1; 144 int af; 145 int Aflag, aflag, bflag, Cflag, dflag, lflag, mflag, sflag, uflag; 146 #ifdef INET6 147 int Lflag; 148 #endif 149 int reset_if_flags; 150 int explicit_prefix = 0; 151 152 void notealias __P((const char *, int)); 153 void notrailers __P((const char *, int)); 154 void setifaddr __P((const char *, int)); 155 void setifdstaddr __P((const char *, int)); 156 void setifflags __P((const char *, int)); 157 void setifbroadaddr __P((const char *, int)); 158 void setifipdst __P((const char *, int)); 159 void setifmetric __P((const char *, int)); 160 void setifmtu __P((const char *, int)); 161 void setifnwid __P((const char *, int)); 162 void setifnwkey __P((const char *, int)); 163 void setifnetmask __P((const char *, int)); 164 void setifprefixlen __P((const char *, int)); 165 void setnsellength __P((const char *, int)); 166 void setsnpaoffset __P((const char *, int)); 167 void setatrange __P((const char *, int)); 168 void setatphase __P((const char *, int)); 169 void settunnel __P((const char *, const char *)); 170 void deletetunnel __P((const char *, int)); 171 #ifdef INET6 172 void setia6flags __P((const char *, int)); 173 void setia6pltime __P((const char *, int)); 174 void setia6vltime __P((const char *, int)); 175 void setia6lifetime __P((const char *, const char *)); 176 #endif 177 void checkatrange __P ((struct sockaddr_at *)); 178 void setmedia __P((const char *, int)); 179 void setmediaopt __P((const char *, int)); 180 void unsetmediaopt __P((const char *, int)); 181 void setmediainst __P((const char *, int)); 182 void clone_create __P((const char *, int)); 183 void clone_destroy __P((const char *, int)); 184 void fixnsel __P((struct sockaddr_iso *)); 185 int main __P((int, char *[])); 186 187 /* 188 * Media stuff. Whenever a media command is first performed, the 189 * currently select media is grabbed for this interface. If `media' 190 * is given, the current media word is modifed. `mediaopt' commands 191 * only modify the set and clear words. They then operate on the 192 * current media word later. 193 */ 194 int media_current; 195 int mediaopt_set; 196 int mediaopt_clear; 197 198 int actions; /* Actions performed */ 199 200 #define A_MEDIA 0x0001 /* media command */ 201 #define A_MEDIAOPTSET 0x0002 /* mediaopt command */ 202 #define A_MEDIAOPTCLR 0x0004 /* -mediaopt command */ 203 #define A_MEDIAOPT (A_MEDIAOPTSET|A_MEDIAOPTCLR) 204 #define A_MEDIAINST 0x0008 /* instance or inst command */ 205 206 #define NEXTARG 0xffffff 207 #define NEXTARG2 0xfffffe 208 209 const struct cmd { 210 const char *c_name; 211 int c_parameter; /* NEXTARG means next argv */ 212 int c_action; /* defered action */ 213 void (*c_func) __P((const char *, int)); 214 void (*c_func2) __P((const char *, const char *)); 215 } cmds[] = { 216 { "up", IFF_UP, 0, setifflags } , 217 { "down", -IFF_UP, 0, setifflags }, 218 { "trailers", -1, 0, notrailers }, 219 { "-trailers", 1, 0, notrailers }, 220 { "arp", -IFF_NOARP, 0, setifflags }, 221 { "-arp", IFF_NOARP, 0, setifflags }, 222 { "debug", IFF_DEBUG, 0, setifflags }, 223 { "-debug", -IFF_DEBUG, 0, setifflags }, 224 { "alias", IFF_UP, 0, notealias }, 225 { "-alias", -IFF_UP, 0, notealias }, 226 { "delete", -IFF_UP, 0, notealias }, 227 #ifdef notdef 228 #define EN_SWABIPS 0x1000 229 { "swabips", EN_SWABIPS, 0, setifflags }, 230 { "-swabips", -EN_SWABIPS, 0, setifflags }, 231 #endif 232 { "netmask", NEXTARG, 0, setifnetmask }, 233 { "metric", NEXTARG, 0, setifmetric }, 234 { "mtu", NEXTARG, 0, setifmtu }, 235 { "nwid", NEXTARG, 0, setifnwid }, 236 { "nwkey", NEXTARG, 0, setifnwkey }, 237 { "-nwkey", -1, 0, setifnwkey }, 238 { "broadcast", NEXTARG, 0, setifbroadaddr }, 239 { "ipdst", NEXTARG, 0, setifipdst }, 240 { "prefixlen", NEXTARG, 0, setifprefixlen}, 241 #ifdef INET6 242 { "anycast", IN6_IFF_ANYCAST, 0, setia6flags }, 243 { "-anycast", -IN6_IFF_ANYCAST, 0, setia6flags }, 244 { "tentative", IN6_IFF_TENTATIVE, 0, setia6flags }, 245 { "-tentative", -IN6_IFF_TENTATIVE, 0, setia6flags }, 246 { "pltime", NEXTARG, 0, setia6pltime }, 247 { "vltime", NEXTARG, 0, setia6vltime }, 248 #endif /*INET6*/ 249 #ifndef INET_ONLY 250 { "range", NEXTARG, 0, setatrange }, 251 { "phase", NEXTARG, 0, setatphase }, 252 { "snpaoffset", NEXTARG, 0, setsnpaoffset }, 253 { "nsellength", NEXTARG, 0, setnsellength }, 254 #endif /* INET_ONLY */ 255 { "tunnel", NEXTARG2, 0, NULL, 256 settunnel } , 257 { "deletetunnel", 0, 0, deletetunnel }, 258 #if 0 259 /* XXX `create' special-cased below */ 260 { "create", 0, 0, clone_create } , 261 #endif 262 { "destroy", 0, 0, clone_destroy } , 263 { "link0", IFF_LINK0, 0, setifflags } , 264 { "-link0", -IFF_LINK0, 0, setifflags } , 265 { "link1", IFF_LINK1, 0, setifflags } , 266 { "-link1", -IFF_LINK1, 0, setifflags } , 267 { "link2", IFF_LINK2, 0, setifflags } , 268 { "-link2", -IFF_LINK2, 0, setifflags } , 269 { "media", NEXTARG, A_MEDIA, setmedia }, 270 { "mediaopt", NEXTARG, A_MEDIAOPTSET, setmediaopt }, 271 { "-mediaopt", NEXTARG, A_MEDIAOPTCLR, unsetmediaopt }, 272 { "instance", NEXTARG, A_MEDIAINST, setmediainst }, 273 { "inst", NEXTARG, A_MEDIAINST, setmediainst }, 274 { 0, 0, 0, setifaddr }, 275 { 0, 0, 0, setifdstaddr }, 276 }; 277 278 void adjust_nsellength __P((void)); 279 int getinfo __P((struct ifreq *)); 280 int carrier __P((void)); 281 void getsock __P((int)); 282 void printall __P((void)); 283 void list_cloners __P((void)); 284 void printb __P((const char *, unsigned short, const char *)); 285 int prefix __P((void *, int)); 286 void status __P((const u_int8_t *, int)); 287 void usage __P((void)); 288 const char *get_string __P((const char *, const char *, u_int8_t *, int *)); 289 void print_string __P((const u_int8_t *, int)); 290 char *sec2str __P((time_t)); 291 292 const char *get_media_type_string __P((int)); 293 const char *get_media_subtype_string __P((int)); 294 int get_media_subtype __P((int, const char *)); 295 int get_media_options __P((int, const char *)); 296 int lookup_media_word __P((struct ifmedia_description *, int, 297 const char *)); 298 void print_media_word __P((int, int, int)); 299 void process_media_commands __P((void)); 300 void init_current_media __P((void)); 301 302 /* 303 * XNS support liberally adapted from code written at the University of 304 * Maryland principally by James O'Toole and Chris Torek. 305 */ 306 void in_alias __P((struct ifreq *)); 307 void in_status __P((int)); 308 void in_getaddr __P((const char *, int)); 309 #ifdef INET6 310 void in6_fillscopeid __P((struct sockaddr_in6 *sin6)); 311 void in6_alias __P((struct in6_ifreq *)); 312 void in6_status __P((int)); 313 void in6_getaddr __P((const char *, int)); 314 void in6_getprefix __P((const char *, int)); 315 #endif 316 void at_status __P((int)); 317 void at_getaddr __P((const char *, int)); 318 void xns_status __P((int)); 319 void xns_getaddr __P((const char *, int)); 320 void iso_status __P((int)); 321 void iso_getaddr __P((const char *, int)); 322 323 void ieee80211_status __P((void)); 324 void tunnel_status __P((void)); 325 326 /* Known address families */ 327 struct afswtch { 328 const char *af_name; 329 short af_af; 330 void (*af_status) __P((int)); 331 void (*af_getaddr) __P((const char *, int)); 332 void (*af_getprefix) __P((const char *, int)); 333 u_long af_difaddr; 334 u_long af_aifaddr; 335 u_long af_gifaddr; 336 caddr_t af_ridreq; 337 caddr_t af_addreq; 338 } afs[] = { 339 #define C(x) ((caddr_t) &x) 340 { "inet", AF_INET, in_status, in_getaddr, NULL, 341 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(addreq) }, 342 #ifdef INET6 343 { "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix, 344 SIOCDIFADDR_IN6, SIOCAIFADDR_IN6, 345 /* 346 * Deleting the first address before setting new one is 347 * not prefered way in this protocol. 348 */ 349 0, 350 C(in6_ridreq), C(in6_addreq) }, 351 #endif 352 #ifndef INET_ONLY /* small version, for boot media */ 353 { "atalk", AF_APPLETALK, at_status, at_getaddr, NULL, 354 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(addreq), C(addreq) }, 355 { "ns", AF_NS, xns_status, xns_getaddr, NULL, 356 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(addreq) }, 357 { "iso", AF_ISO, iso_status, iso_getaddr, NULL, 358 SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, SIOCGIFADDR_ISO, 359 C(iso_ridreq), C(iso_addreq) }, 360 #endif /* INET_ONLY */ 361 { 0, 0, 0, 0 } 362 }; 363 364 struct afswtch *afp; /*the address family being set or asked about*/ 365 366 struct afswtch *lookup_af __P((const char *)); 367 368 int 369 main(argc, argv) 370 int argc; 371 char *argv[]; 372 { 373 struct ifreq ifreq; 374 int ch; 375 376 /* Parse command-line options */ 377 aflag = mflag = 0; 378 while ((ch = getopt(argc, argv, "AabCdlmsu" 379 #ifdef INET6 380 "L" 381 #endif 382 )) != -1) { 383 switch (ch) { 384 case 'A': 385 Aflag = 1; 386 break; 387 388 case 'a': 389 aflag = 1; 390 break; 391 392 case 'b': 393 bflag = 1; 394 break; 395 396 397 case 'C': 398 Cflag = 1; 399 break; 400 401 case 'd': 402 dflag = 1; 403 break; 404 405 #ifdef INET6 406 case 'L': 407 Lflag = 1; 408 break; 409 #endif 410 411 case 'l': 412 lflag = 1; 413 break; 414 415 case 'm': 416 mflag = 1; 417 break; 418 419 case 's': 420 sflag = 1; 421 break; 422 423 case 'u': 424 uflag = 1; 425 break; 426 427 428 default: 429 usage(); 430 /* NOTREACHED */ 431 } 432 } 433 argc -= optind; 434 argv += optind; 435 436 /* 437 * -l means "list all interfaces", and is mutally exclusive with 438 * all other flags/commands. 439 * 440 * -C means "list all names of cloners", and it mutually exclusive 441 * with all other flags/commands. 442 * 443 * -a means "print status of all interfaces". 444 */ 445 if ((lflag || Cflag) && (aflag || mflag || Aflag || argc)) 446 usage(); 447 #ifdef INET6 448 if ((lflag || Cflag) && Lflag) 449 usage(); 450 #endif 451 if (lflag && Cflag) 452 usage(); 453 if (Cflag) { 454 if (argc) 455 usage(); 456 list_cloners(); 457 exit(0); 458 } 459 if (aflag || lflag) { 460 if (argc > 1) 461 usage(); 462 else if (argc == 1) { 463 afp = lookup_af(argv[0]); 464 if (afp == NULL) 465 usage(); 466 } 467 if (afp) 468 af = ifr.ifr_addr.sa_family = afp->af_af; 469 else 470 af = ifr.ifr_addr.sa_family = afs[0].af_af; 471 printall(); 472 exit(0); 473 } 474 475 /* Make sure there's an interface name. */ 476 if (argc < 1) 477 usage(); 478 (void) strncpy(name, argv[0], sizeof(name)); 479 argc--; argv++; 480 481 /* 482 * NOTE: We must special-case the `create' command right 483 * here as we would otherwise fail in getinfo(). 484 */ 485 if (argc > 0 && strcmp(argv[0], "create") == 0) { 486 clone_create(argv[0], 0); 487 argc--, argv++; 488 if (argc == 0) 489 exit(0); 490 } 491 492 /* Check for address family. */ 493 afp = NULL; 494 if (argc > 0) { 495 afp = lookup_af(argv[0]); 496 if (afp != NULL) { 497 argv++; 498 argc--; 499 } 500 } 501 502 /* Initialize af, just for use in getinfo(). */ 503 if (afp == NULL) 504 af = afs->af_af; 505 else 506 af = afp->af_af; 507 508 /* Get information about the interface. */ 509 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 510 if (getinfo(&ifr) < 0) 511 exit(1); 512 513 if (sflag) { 514 if (argc != 0) 515 usage(); 516 else 517 exit(carrier()); 518 } 519 520 /* No more arguments means interface status. */ 521 if (argc == 0) { 522 status(NULL, 0); 523 exit(0); 524 } 525 526 /* The following operations assume inet family as the default. */ 527 if (afp == NULL) 528 afp = afs; 529 af = ifr.ifr_addr.sa_family = afp->af_af; 530 531 #ifdef INET6 532 /* initialization */ 533 in6_addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; 534 in6_addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; 535 #endif 536 537 /* Process commands. */ 538 while (argc > 0) { 539 const struct cmd *p; 540 541 for (p = cmds; p->c_name; p++) 542 if (strcmp(argv[0], p->c_name) == 0) 543 break; 544 if (p->c_name == 0 && setaddr) { 545 if ((flags & IFF_POINTOPOINT) == 0) { 546 errx(1, "can't set destination address %s", 547 "on non-point-to-point link"); 548 } 549 p++; /* got src, do dst */ 550 } 551 if (p->c_func != NULL || p->c_func2 != NULL) { 552 if (p->c_parameter == NEXTARG) { 553 if (argc < 2) 554 errx(1, "'%s' requires argument", 555 p->c_name); 556 (*p->c_func)(argv[1], 0); 557 argc--, argv++; 558 } else if (p->c_parameter == NEXTARG2) { 559 if (argc < 3) 560 errx(1, "'%s' requires 2 arguments", 561 p->c_name); 562 (*p->c_func2)(argv[1], argv[2]); 563 argc -= 2, argv += 2; 564 } else 565 (*p->c_func)(argv[0], p->c_parameter); 566 actions |= p->c_action; 567 } 568 argc--, argv++; 569 } 570 571 /* Process any media commands that may have been issued. */ 572 process_media_commands(); 573 574 if (af == AF_INET6 && explicit_prefix == 0) { 575 /* 576 * Aggregatable address architecture defines all prefixes 577 * are 64. So, it is convenient to set prefixlen to 64 if 578 * it is not specified. 579 */ 580 setifprefixlen("64", 0); 581 /* in6_getprefix("64", MASK) if MASK is available here... */ 582 } 583 584 #ifndef INET_ONLY 585 if (af == AF_ISO) 586 adjust_nsellength(); 587 588 if (af == AF_APPLETALK) 589 checkatrange((struct sockaddr_at *) &addreq.ifra_addr); 590 591 if (setipdst && af==AF_NS) { 592 struct nsip_req rq; 593 int size = sizeof(rq); 594 595 rq.rq_ns = addreq.ifra_addr; 596 rq.rq_ip = addreq.ifra_dstaddr; 597 598 if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0) 599 warn("encapsulation routing"); 600 } 601 602 #endif /* INET_ONLY */ 603 604 if (clearaddr) { 605 (void) strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name); 606 if (ioctl(s, afp->af_difaddr, afp->af_ridreq) < 0) 607 err(1, "SIOCDIFADDR"); 608 } 609 if (newaddr > 0) { 610 (void) strncpy(afp->af_addreq, name, sizeof ifr.ifr_name); 611 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) < 0) 612 warn("SIOCAIFADDR"); 613 } 614 615 if (reset_if_flags) { 616 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 617 ifreq.ifr_flags = flags; 618 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) < 0) 619 err(1, "SIOCSIFFLAGS"); 620 } 621 exit(0); 622 } 623 624 struct afswtch * 625 lookup_af(cp) 626 const char *cp; 627 { 628 struct afswtch *a; 629 630 for (a = afs; a->af_name != NULL; a++) 631 if (strcmp(a->af_name, cp) == 0) 632 return (a); 633 return (NULL); 634 } 635 636 void 637 getsock(naf) 638 int naf; 639 { 640 static int oaf = -1; 641 642 if (oaf == naf) 643 return; 644 if (oaf != -1) 645 close(s); 646 s = socket(naf, SOCK_DGRAM, 0); 647 if (s < 0) 648 oaf = -1; 649 else 650 oaf = naf; 651 } 652 653 int 654 getinfo(ifr) 655 struct ifreq *ifr; 656 { 657 658 getsock(af); 659 if (s < 0) 660 err(1, "socket"); 661 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)ifr) < 0) { 662 warn("SIOCGIFFLAGS %s", ifr->ifr_name); 663 return (-1); 664 } 665 flags = ifr->ifr_flags; 666 if (ioctl(s, SIOCGIFMETRIC, (caddr_t)ifr) < 0) { 667 warn("SIOCGIFMETRIC %s", ifr->ifr_name); 668 metric = 0; 669 } else 670 metric = ifr->ifr_metric; 671 if (ioctl(s, SIOCGIFMTU, (caddr_t)ifr) < 0) 672 mtu = 0; 673 else 674 mtu = ifr->ifr_mtu; 675 return (0); 676 } 677 678 void 679 printall() 680 { 681 #ifdef HAVE_IFADDRS_H 682 struct ifaddrs *ifap, *ifa; 683 struct ifreq ifr; 684 const struct sockaddr_dl *sdl; 685 int idx; 686 char *p; 687 688 if (getifaddrs(&ifap) != 0) 689 err(1, "getifaddrs"); 690 p = NULL; 691 idx = 0; 692 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 693 memset(&ifr, 0, sizeof(ifr)); 694 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 695 if (sizeof(ifr.ifr_addr) >= ifa->ifa_addr->sa_len) { 696 memcpy(&ifr.ifr_addr, ifa->ifa_addr, 697 ifa->ifa_addr->sa_len); 698 } 699 700 if (ifa->ifa_addr->sa_family == AF_LINK) 701 sdl = (const struct sockaddr_dl *) ifa->ifa_addr; 702 if (p && strcmp(p, ifa->ifa_name) == 0) 703 continue; 704 (void) strncpy(name, ifa->ifa_name, sizeof(name)); 705 name[sizeof(name) - 1] = '\0'; 706 p = ifa->ifa_name; 707 708 if (getinfo(&ifr) < 0) 709 continue; 710 if (bflag && (ifa->ifa_flags & (IFF_POINTOPOINT|IFF_LOOPBACK))) 711 continue; 712 if (dflag && (ifa->ifa_flags & IFF_UP) != 0) 713 continue; 714 if (uflag && (ifa->ifa_flags & IFF_UP) == 0) 715 continue; 716 717 if (sflag && carrier()) 718 continue; 719 idx++; 720 /* 721 * Are we just listing the interfaces? 722 */ 723 if (lflag) { 724 if (idx > 1) 725 putchar(' '); 726 fputs(name, stdout); 727 continue; 728 } 729 730 if (sdl == NULL) { 731 status(NULL, 0); 732 } else { 733 status(LLADDR(sdl), sdl->sdl_alen); 734 sdl = NULL; 735 } 736 } 737 if (lflag) 738 putchar('\n'); 739 freeifaddrs(ifap); 740 #else 741 char inbuf[8192]; 742 const struct sockaddr_dl *sdl = NULL; 743 struct ifconf ifc; 744 struct ifreq ifreq, *ifr; 745 int i, siz, idx; 746 char ifrbuf[8192], *cp; 747 748 ifc.ifc_len = sizeof(inbuf); 749 ifc.ifc_buf = inbuf; 750 getsock(af); 751 if (s < 0) 752 err(1, "socket"); 753 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 754 err(1, "SIOCGIFCONF"); 755 ifreq.ifr_name[0] = '\0'; 756 for (i = 0, idx = 0; i < ifc.ifc_len; ) { 757 /* Copy the mininum ifreq into the buffer. */ 758 cp = ((caddr_t)ifc.ifc_req + i); 759 memcpy(ifrbuf, cp, sizeof(*ifr)); 760 761 /* Now compute the actual size of the ifreq. */ 762 ifr = (struct ifreq *)ifrbuf; 763 siz = ifr->ifr_addr.sa_len; 764 if (siz < sizeof(ifr->ifr_addr)) 765 siz = sizeof(ifr->ifr_addr); 766 siz += sizeof(ifr->ifr_name); 767 i += siz; 768 769 /* Now copy the whole thing. */ 770 if (sizeof(ifrbuf) < siz) 771 errx(1, "ifr too big"); 772 memcpy(ifrbuf, cp, siz); 773 774 if (ifr->ifr_addr.sa_family == AF_LINK) 775 sdl = (const struct sockaddr_dl *) &ifr->ifr_addr; 776 if (!strncmp(ifreq.ifr_name, ifr->ifr_name, 777 sizeof(ifr->ifr_name))) 778 continue; 779 (void) strncpy(name, ifr->ifr_name, sizeof(ifr->ifr_name)); 780 ifreq = *ifr; 781 782 if (getinfo(&ifreq) < 0) 783 continue; 784 if (bflag && (flags & (IFF_POINTOPOINT|IFF_LOOPBACK))) 785 continue; 786 if (dflag && (flags & IFF_UP) != 0) 787 continue; 788 if (uflag && (flags & IFF_UP) == 0) 789 continue; 790 791 if (sflag && carrier()) 792 continue; 793 idx++; 794 /* 795 * Are we just listing the interfaces? 796 */ 797 if (lflag) { 798 if (idx > 1) 799 putchar(' '); 800 fputs(name, stdout); 801 continue; 802 } 803 804 if (sdl == NULL) { 805 status(NULL, 0); 806 } else { 807 status(LLADDR(sdl), sdl->sdl_alen); 808 sdl = NULL; 809 } 810 } 811 if (lflag) 812 putchar('\n'); 813 #endif 814 } 815 816 void 817 list_cloners(void) 818 { 819 struct if_clonereq ifcr; 820 char *cp, *buf; 821 int idx; 822 823 memset(&ifcr, 0, sizeof(ifcr)); 824 825 getsock(AF_INET); 826 827 if (ioctl(s, SIOCIFGCLONERS, &ifcr) < 0) 828 err(1, "SIOCIFGCLONERS for count"); 829 830 buf = malloc(ifcr.ifcr_total * IFNAMSIZ); 831 if (buf == NULL) 832 err(1, "unable to allocate cloner name buffer"); 833 834 ifcr.ifcr_count = ifcr.ifcr_total; 835 ifcr.ifcr_buffer = buf; 836 837 if (ioctl(s, SIOCIFGCLONERS, &ifcr) < 0) 838 err(1, "SIOCIFGCLONERS for names"); 839 840 /* 841 * In case some disappeared in the mean time, clamp it down. 842 */ 843 if (ifcr.ifcr_count > ifcr.ifcr_total) 844 ifcr.ifcr_count = ifcr.ifcr_total; 845 846 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) { 847 if (idx > 0) 848 putchar(' '); 849 printf("%s", cp); 850 } 851 852 putchar('\n'); 853 free(buf); 854 return; 855 } 856 857 /*ARGSUSED*/ 858 void 859 clone_create(addr, param) 860 const char *addr; 861 int param; 862 { 863 864 /* We're called early... */ 865 getsock(AF_INET); 866 867 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 868 if (ioctl(s, SIOCIFCREATE, &ifr) < 0) 869 err(1, "SIOCIFCREATE"); 870 } 871 872 /*ARGSUSED*/ 873 void 874 clone_destroy(addr, param) 875 const char *addr; 876 int param; 877 { 878 879 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 880 if (ioctl(s, SIOCIFDESTROY, &ifr) < 0) 881 err(1, "SIOCIFDESTROY"); 882 } 883 884 #define RIDADDR 0 885 #define ADDR 1 886 #define MASK 2 887 #define DSTADDR 3 888 889 /*ARGSUSED*/ 890 void 891 setifaddr(addr, param) 892 const char *addr; 893 int param; 894 { 895 struct ifreq *ifr; /* XXX */ 896 897 /* 898 * Delay the ioctl to set the interface addr until flags are all set. 899 * The address interpretation may depend on the flags, 900 * and the flags may change when the address is set. 901 */ 902 setaddr++; 903 if (newaddr == -1) 904 newaddr = 1; 905 if (doalias == 0 && afp->af_gifaddr != 0) { 906 ifr = (struct ifreq *)afp->af_ridreq; 907 (void) strncpy(ifr->ifr_name, name, sizeof(ifr->ifr_name)); 908 ifr->ifr_addr.sa_family = afp->af_af; 909 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0) 910 clearaddr = 1; 911 else if (errno == EADDRNOTAVAIL) 912 /* No address was assigned yet. */ 913 ; 914 else 915 err(1, "SIOCGIFADDR"); 916 } 917 918 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 919 } 920 921 void 922 settunnel(src, dst) 923 const char *src, *dst; 924 { 925 struct addrinfo hints, *srcres, *dstres; 926 struct ifaliasreq addreq; 927 int ecode; 928 #ifdef INET6 929 struct in6_aliasreq in6_addreq; 930 #endif 931 932 memset(&hints, 0, sizeof(hints)); 933 hints.ai_family = afp->af_af; 934 935 if ((ecode = getaddrinfo(src, NULL, NULL, &srcres)) != 0) 936 errx(1, "error in parsing address string: %s", 937 gai_strerror(ecode)); 938 939 if ((ecode = getaddrinfo(dst, NULL, NULL, &dstres)) != 0) 940 errx(1, "error in parsing address string: %s", 941 gai_strerror(ecode)); 942 943 if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family) 944 errx(1, 945 "source and destination address families do not match"); 946 947 switch (srcres->ai_addr->sa_family) { 948 case AF_INET: 949 memset(&addreq, 0, sizeof(addreq)); 950 strncpy(addreq.ifra_name, name, IFNAMSIZ); 951 memcpy(&addreq.ifra_addr, srcres->ai_addr, 952 srcres->ai_addr->sa_len); 953 memcpy(&addreq.ifra_dstaddr, dstres->ai_addr, 954 dstres->ai_addr->sa_len); 955 956 if (ioctl(s, SIOCSIFPHYADDR, &addreq) < 0) 957 warn("SIOCSIFPHYADDR"); 958 break; 959 960 #ifdef INET6 961 case AF_INET6: 962 memset(&in6_addreq, 0, sizeof(in6_addreq)); 963 strncpy(in6_addreq.ifra_name, name, IFNAMSIZ); 964 memcpy(&in6_addreq.ifra_addr, srcres->ai_addr, 965 srcres->ai_addr->sa_len); 966 memcpy(&in6_addreq.ifra_dstaddr, dstres->ai_addr, 967 dstres->ai_addr->sa_len); 968 969 if (ioctl(s, SIOCSIFPHYADDR_IN6, &in6_addreq) < 0) 970 warn("SIOCSIFPHYADDR_IN6"); 971 break; 972 #endif /* INET6 */ 973 974 default: 975 warn("address family not supported"); 976 } 977 978 freeaddrinfo(srcres); 979 freeaddrinfo(dstres); 980 } 981 982 /* ARGSUSED */ 983 void 984 deletetunnel(vname, param) 985 const char *vname; 986 int param; 987 { 988 989 if (ioctl(s, SIOCDIFPHYADDR, &ifr) < 0) 990 err(1, "SIOCDIFPHYADDR"); 991 } 992 993 void 994 setifnetmask(addr, d) 995 const char *addr; 996 int d; 997 { 998 (*afp->af_getaddr)(addr, MASK); 999 } 1000 1001 void 1002 setifbroadaddr(addr, d) 1003 const char *addr; 1004 int d; 1005 { 1006 (*afp->af_getaddr)(addr, DSTADDR); 1007 } 1008 1009 void 1010 setifipdst(addr, d) 1011 const char *addr; 1012 int d; 1013 { 1014 in_getaddr(addr, DSTADDR); 1015 setipdst++; 1016 clearaddr = 0; 1017 newaddr = 0; 1018 } 1019 1020 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 1021 /*ARGSUSED*/ 1022 void 1023 notealias(addr, param) 1024 const char *addr; 1025 int param; 1026 { 1027 if (setaddr && doalias == 0 && param < 0) 1028 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 1029 rqtosa(af_addreq)->sa_len); 1030 doalias = param; 1031 if (param < 0) { 1032 clearaddr = 1; 1033 newaddr = 0; 1034 } else 1035 clearaddr = 0; 1036 } 1037 1038 /*ARGSUSED*/ 1039 void 1040 notrailers(vname, value) 1041 const char *vname; 1042 int value; 1043 { 1044 puts("Note: trailers are no longer sent, but always received"); 1045 } 1046 1047 /*ARGSUSED*/ 1048 void 1049 setifdstaddr(addr, param) 1050 const char *addr; 1051 int param; 1052 { 1053 (*afp->af_getaddr)(addr, DSTADDR); 1054 } 1055 1056 void 1057 setifflags(vname, value) 1058 const char *vname; 1059 int value; 1060 { 1061 struct ifreq ifreq; 1062 1063 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 1064 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifreq) < 0) 1065 err(1, "SIOCGIFFLAGS"); 1066 flags = ifreq.ifr_flags; 1067 1068 if (value < 0) { 1069 value = -value; 1070 flags &= ~value; 1071 } else 1072 flags |= value; 1073 ifreq.ifr_flags = flags; 1074 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) < 0) 1075 err(1, "SIOCSIFFLAGS"); 1076 1077 reset_if_flags = 1; 1078 } 1079 1080 #ifdef INET6 1081 void 1082 setia6flags(vname, value) 1083 const char *vname; 1084 int value; 1085 { 1086 if (value < 0) { 1087 value = -value; 1088 in6_addreq.ifra_flags &= ~value; 1089 } else 1090 in6_addreq.ifra_flags |= value; 1091 } 1092 1093 void 1094 setia6pltime(val, d) 1095 const char *val; 1096 int d; 1097 { 1098 setia6lifetime("pltime", val); 1099 } 1100 1101 void 1102 setia6vltime(val, d) 1103 const char *val; 1104 int d; 1105 { 1106 setia6lifetime("vltime", val); 1107 } 1108 1109 void 1110 setia6lifetime(cmd, val) 1111 const char *cmd; 1112 const char *val; 1113 { 1114 time_t newval, t; 1115 char *ep; 1116 1117 t = time(NULL); 1118 newval = (time_t)strtoul(val, &ep, 0); 1119 if (val == ep) 1120 errx(1, "invalid %s", cmd); 1121 if (afp->af_af != AF_INET6) 1122 errx(1, "%s not allowed for the AF", cmd); 1123 if (strcmp(cmd, "vltime") == 0) { 1124 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 1125 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 1126 } else if (strcmp(cmd, "pltime") == 0) { 1127 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 1128 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 1129 } 1130 } 1131 #endif 1132 1133 void 1134 setifmetric(val, d) 1135 const char *val; 1136 int d; 1137 { 1138 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1139 ifr.ifr_metric = atoi(val); 1140 if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) < 0) 1141 warn("SIOCSIFMETRIC"); 1142 } 1143 1144 void 1145 setifmtu(val, d) 1146 const char *val; 1147 int d; 1148 { 1149 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1150 ifr.ifr_mtu = atoi(val); 1151 if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) < 0) 1152 warn("SIOCSIFMTU"); 1153 } 1154 1155 const char * 1156 get_string(val, sep, buf, lenp) 1157 const char *val, *sep; 1158 u_int8_t *buf; 1159 int *lenp; 1160 { 1161 int len; 1162 int hexstr; 1163 u_int8_t *p; 1164 1165 len = *lenp; 1166 p = buf; 1167 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 1168 if (hexstr) 1169 val += 2; 1170 for (;;) { 1171 if (*val == '\0') 1172 break; 1173 if (sep != NULL && strchr(sep, *val) != NULL) { 1174 val++; 1175 break; 1176 } 1177 if (hexstr) { 1178 if (!isxdigit((u_char)val[0]) || 1179 !isxdigit((u_char)val[1])) { 1180 warnx("bad hexadecimal digits"); 1181 return NULL; 1182 } 1183 } 1184 if (p > buf + len) { 1185 if (hexstr) 1186 warnx("hexadecimal digits too long"); 1187 else 1188 warnx("strings too long"); 1189 return NULL; 1190 } 1191 if (hexstr) { 1192 #define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 1193 *p++ = (tohex((u_char)val[0]) << 4) | 1194 tohex((u_char)val[1]); 1195 #undef tohex 1196 val += 2; 1197 } else 1198 *p++ = *val++; 1199 } 1200 len = p - buf; 1201 if (len < *lenp) 1202 memset(p, 0, *lenp - len); 1203 *lenp = len; 1204 return val; 1205 } 1206 1207 void 1208 print_string(buf, len) 1209 const u_int8_t *buf; 1210 int len; 1211 { 1212 int i; 1213 int hasspc; 1214 1215 i = 0; 1216 hasspc = 0; 1217 if (len < 2 || buf[0] != '0' || tolower(buf[1]) != 'x') { 1218 for (; i < len; i++) { 1219 if (!isprint(buf[i])) 1220 break; 1221 if (isspace(buf[i])) 1222 hasspc++; 1223 } 1224 } 1225 if (i == len) { 1226 if (hasspc || len == 0) 1227 printf("\"%.*s\"", len, buf); 1228 else 1229 printf("%.*s", len, buf); 1230 } else { 1231 printf("0x"); 1232 for (i = 0; i < len; i++) 1233 printf("%02x", buf[i]); 1234 } 1235 } 1236 1237 void 1238 setifnwid(val, d) 1239 const char *val; 1240 int d; 1241 { 1242 struct ieee80211_nwid nwid; 1243 int len; 1244 1245 len = sizeof(nwid.i_nwid); 1246 if (get_string(val, NULL, nwid.i_nwid, &len) == NULL) 1247 return; 1248 nwid.i_len = len; 1249 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1250 ifr.ifr_data = (caddr_t)&nwid; 1251 if (ioctl(s, SIOCS80211NWID, (caddr_t)&ifr) < 0) 1252 warn("SIOCS80211NWID"); 1253 } 1254 1255 void 1256 setifnwkey(val, d) 1257 const char *val; 1258 int d; 1259 { 1260 struct ieee80211_nwkey nwkey; 1261 int i; 1262 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1263 1264 nwkey.i_wepon = 1; 1265 nwkey.i_defkid = 1; 1266 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1267 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1268 nwkey.i_key[i].i_keydat = keybuf[i]; 1269 } 1270 if (d != 0) { 1271 /* disable WEP encryption */ 1272 nwkey.i_wepon = 0; 1273 i = 0; 1274 } else if (isdigit(val[0]) && val[1] == ':') { 1275 /* specifying a full set of four keys */ 1276 nwkey.i_defkid = val[0] - '0'; 1277 val += 2; 1278 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1279 val = get_string(val, ",", keybuf[i], 1280 &nwkey.i_key[i].i_keylen); 1281 if (val == NULL) 1282 return; 1283 } 1284 if (*val != '\0') { 1285 warnx("SIOCS80211NWKEY: too many keys."); 1286 return; 1287 } 1288 } else { 1289 val = get_string(val, NULL, keybuf[0], 1290 &nwkey.i_key[0].i_keylen); 1291 if (val == NULL) 1292 return; 1293 i = 1; 1294 } 1295 for (; i < IEEE80211_WEP_NKID; i++) 1296 nwkey.i_key[i].i_keylen = 0; 1297 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1298 if (ioctl(s, SIOCS80211NWKEY, (caddr_t)&nwkey) < 0) 1299 warn("SIOCS80211NWKEY"); 1300 } 1301 1302 void 1303 ieee80211_status() 1304 { 1305 int i; 1306 struct ieee80211_nwid nwid; 1307 struct ieee80211_nwkey nwkey; 1308 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1309 1310 memset(&ifr, 0, sizeof(ifr)); 1311 ifr.ifr_data = (caddr_t)&nwid; 1312 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1313 if (ioctl(s, SIOCG80211NWID, (caddr_t)&ifr) != 0) 1314 return; 1315 if (nwid.i_len > IEEE80211_NWID_LEN) { 1316 warnx("SIOCG80211NWID: wrong length of nwid (%d)", nwid.i_len); 1317 return; 1318 } 1319 printf("\tnwid "); 1320 print_string(nwid.i_nwid, nwid.i_len); 1321 memset(&nwkey, 0, sizeof(nwkey)); 1322 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1323 /* show nwkey only when WEP is enabled */ 1324 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) != 0 || 1325 nwkey.i_wepon == 0) { 1326 printf("\n"); 1327 return; 1328 } 1329 1330 printf(" nwkey "); 1331 /* try to retrieve WEP keys */ 1332 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1333 nwkey.i_key[i].i_keydat = keybuf[i]; 1334 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1335 } 1336 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) != 0) { 1337 printf("*****"); 1338 } else { 1339 if (nwkey.i_defkid != 1) { 1340 /* non default key or multiple keys defined */ 1341 i = 0; 1342 } else if (nwkey.i_key[0].i_keylen >= 2 && 1343 isdigit(nwkey.i_key[0].i_keydat[0]) && 1344 nwkey.i_key[0].i_keydat[1] == ':') { 1345 /* ambiguous */ 1346 i = 0; 1347 } else { 1348 for (i = 1; i < IEEE80211_WEP_NKID; i++) { 1349 if (nwkey.i_key[i].i_keylen != 0) 1350 break; 1351 } 1352 } 1353 if (i == IEEE80211_WEP_NKID) { 1354 /* only show the first key */ 1355 print_string(nwkey.i_key[0].i_keydat, 1356 nwkey.i_key[0].i_keylen); 1357 } else { 1358 printf("%d:", nwkey.i_defkid); 1359 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1360 if (i > 0) 1361 printf(","); 1362 print_string(nwkey.i_key[i].i_keydat, 1363 nwkey.i_key[i].i_keylen); 1364 } 1365 } 1366 } 1367 printf("\n"); 1368 } 1369 1370 void 1371 init_current_media() 1372 { 1373 struct ifmediareq ifmr; 1374 1375 /* 1376 * If we have not yet done so, grab the currently-selected 1377 * media. 1378 */ 1379 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1380 (void) memset(&ifmr, 0, sizeof(ifmr)); 1381 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1382 1383 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1384 /* 1385 * If we get E2BIG, the kernel is telling us 1386 * that there are more, so we can ignore it. 1387 */ 1388 if (errno != E2BIG) 1389 err(1, "SGIOCGIFMEDIA"); 1390 } 1391 1392 media_current = ifmr.ifm_current; 1393 } 1394 1395 /* Sanity. */ 1396 if (IFM_TYPE(media_current) == 0) 1397 errx(1, "%s: no link type?", name); 1398 } 1399 1400 void 1401 process_media_commands() 1402 { 1403 1404 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1405 /* Nothing to do. */ 1406 return; 1407 } 1408 1409 /* 1410 * Media already set up, and commands sanity-checked. Set/clear 1411 * any options, and we're ready to go. 1412 */ 1413 media_current |= mediaopt_set; 1414 media_current &= ~mediaopt_clear; 1415 1416 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1417 ifr.ifr_media = media_current; 1418 1419 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0) 1420 err(1, "SIOCSIFMEDIA"); 1421 } 1422 1423 void 1424 setmedia(val, d) 1425 const char *val; 1426 int d; 1427 { 1428 int type, subtype, inst; 1429 1430 init_current_media(); 1431 1432 /* Only one media command may be given. */ 1433 if (actions & A_MEDIA) 1434 errx(1, "only one `media' command may be issued"); 1435 1436 /* Must not come after mediaopt commands */ 1437 if (actions & A_MEDIAOPT) 1438 errx(1, "may not issue `media' after `mediaopt' commands"); 1439 1440 /* 1441 * No need to check if `instance' has been issued; setmediainst() 1442 * craps out if `media' has not been specified. 1443 */ 1444 1445 type = IFM_TYPE(media_current); 1446 inst = IFM_INST(media_current); 1447 1448 /* Look up the subtype. */ 1449 subtype = get_media_subtype(type, val); 1450 1451 /* Build the new current media word. */ 1452 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1453 1454 /* Media will be set after other processing is complete. */ 1455 } 1456 1457 void 1458 setmediaopt(val, d) 1459 const char *val; 1460 int d; 1461 { 1462 1463 init_current_media(); 1464 1465 /* Can only issue `mediaopt' once. */ 1466 if (actions & A_MEDIAOPTSET) 1467 errx(1, "only one `mediaopt' command may be issued"); 1468 1469 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1470 if (actions & A_MEDIAINST) 1471 errx(1, "may not issue `mediaopt' after `instance'"); 1472 1473 mediaopt_set = get_media_options(IFM_TYPE(media_current), val); 1474 1475 /* Media will be set after other processing is complete. */ 1476 } 1477 1478 void 1479 unsetmediaopt(val, d) 1480 const char *val; 1481 int d; 1482 { 1483 1484 init_current_media(); 1485 1486 /* Can only issue `-mediaopt' once. */ 1487 if (actions & A_MEDIAOPTCLR) 1488 errx(1, "only one `-mediaopt' command may be issued"); 1489 1490 /* May not issue `media' and `-mediaopt'. */ 1491 if (actions & A_MEDIA) 1492 errx(1, "may not issue both `media' and `-mediaopt'"); 1493 1494 /* 1495 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1496 * implicitly checks for A_MEDIAINST. 1497 */ 1498 1499 mediaopt_clear = get_media_options(IFM_TYPE(media_current), val); 1500 1501 /* Media will be set after other processing is complete. */ 1502 } 1503 1504 void 1505 setmediainst(val, d) 1506 const char *val; 1507 int d; 1508 { 1509 int type, subtype, options, inst; 1510 1511 init_current_media(); 1512 1513 /* Can only issue `instance' once. */ 1514 if (actions & A_MEDIAINST) 1515 errx(1, "only one `instance' command may be issued"); 1516 1517 /* Must have already specified `media' */ 1518 if ((actions & A_MEDIA) == 0) 1519 errx(1, "must specify `media' before `instance'"); 1520 1521 type = IFM_TYPE(media_current); 1522 subtype = IFM_SUBTYPE(media_current); 1523 options = IFM_OPTIONS(media_current); 1524 1525 inst = atoi(val); 1526 if (inst < 0 || inst > IFM_INST_MAX) 1527 errx(1, "invalid media instance: %s", val); 1528 1529 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1530 1531 /* Media will be set after other processing is complete. */ 1532 } 1533 1534 struct ifmedia_description ifm_type_descriptions[] = 1535 IFM_TYPE_DESCRIPTIONS; 1536 1537 struct ifmedia_description ifm_subtype_descriptions[] = 1538 IFM_SUBTYPE_DESCRIPTIONS; 1539 1540 struct ifmedia_description ifm_option_descriptions[] = 1541 IFM_OPTION_DESCRIPTIONS; 1542 1543 const char * 1544 get_media_type_string(mword) 1545 int mword; 1546 { 1547 struct ifmedia_description *desc; 1548 1549 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; 1550 desc++) { 1551 if (IFM_TYPE(mword) == desc->ifmt_word) 1552 return (desc->ifmt_string); 1553 } 1554 return ("<unknown type>"); 1555 } 1556 1557 const char * 1558 get_media_subtype_string(mword) 1559 int mword; 1560 { 1561 struct ifmedia_description *desc; 1562 1563 for (desc = ifm_subtype_descriptions; desc->ifmt_string != NULL; 1564 desc++) { 1565 if (IFM_TYPE_MATCH(desc->ifmt_word, mword) && 1566 IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(mword)) 1567 return (desc->ifmt_string); 1568 } 1569 return ("<unknown subtype>"); 1570 } 1571 1572 int 1573 get_media_subtype(type, val) 1574 int type; 1575 const char *val; 1576 { 1577 int rval; 1578 1579 rval = lookup_media_word(ifm_subtype_descriptions, type, val); 1580 if (rval == -1) 1581 errx(1, "unknown %s media subtype: %s", 1582 get_media_type_string(type), val); 1583 1584 return (rval); 1585 } 1586 1587 int 1588 get_media_options(type, val) 1589 int type; 1590 const char *val; 1591 { 1592 char *optlist, *str; 1593 int option, rval = 0; 1594 1595 /* We muck with the string, so copy it. */ 1596 optlist = strdup(val); 1597 if (optlist == NULL) 1598 err(1, "strdup"); 1599 str = optlist; 1600 1601 /* 1602 * Look up the options in the user-provided comma-separated list. 1603 */ 1604 for (; (str = strtok(str, ",")) != NULL; str = NULL) { 1605 option = lookup_media_word(ifm_option_descriptions, type, str); 1606 if (option == -1) 1607 errx(1, "unknown %s media option: %s", 1608 get_media_type_string(type), str); 1609 rval |= IFM_OPTIONS(option); 1610 } 1611 1612 free(optlist); 1613 return (rval); 1614 } 1615 1616 int 1617 lookup_media_word(desc, type, val) 1618 struct ifmedia_description *desc; 1619 int type; 1620 const char *val; 1621 { 1622 1623 for (; desc->ifmt_string != NULL; desc++) { 1624 if (IFM_TYPE_MATCH(desc->ifmt_word, type) && 1625 strcasecmp(desc->ifmt_string, val) == 0) 1626 return (desc->ifmt_word); 1627 } 1628 return (-1); 1629 } 1630 1631 void 1632 print_media_word(ifmw, print_type, as_syntax) 1633 int ifmw, print_type, as_syntax; 1634 { 1635 struct ifmedia_description *desc; 1636 int seen_option = 0; 1637 1638 if (print_type) 1639 printf("%s ", get_media_type_string(ifmw)); 1640 printf("%s%s", as_syntax ? "media " : "", 1641 get_media_subtype_string(ifmw)); 1642 1643 /* Find options. */ 1644 for (desc = ifm_option_descriptions; desc->ifmt_string != NULL; 1645 desc++) { 1646 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && 1647 (ifmw & IFM_OPTIONS(desc->ifmt_word)) != 0 && 1648 (seen_option & IFM_OPTIONS(desc->ifmt_word)) == 0) { 1649 if (seen_option == 0) 1650 printf(" %s", as_syntax ? "mediaopt " : ""); 1651 printf("%s%s", seen_option ? "," : "", 1652 desc->ifmt_string); 1653 seen_option |= IFM_OPTIONS(desc->ifmt_word); 1654 } 1655 } 1656 if (IFM_INST(ifmw) != 0) 1657 printf(" instance %d", IFM_INST(ifmw)); 1658 } 1659 1660 int carrier() 1661 { 1662 struct ifmediareq ifmr; 1663 1664 (void) memset(&ifmr, 0, sizeof(ifmr)); 1665 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1666 1667 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1668 /* 1669 * Interface doesn't support SIOC{G,S}IFMEDIA; 1670 * assume ok. 1671 */ 1672 return 0; 1673 } 1674 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1675 /* 1676 * Interface doesn't report media-valid status. 1677 * assume ok. 1678 */ 1679 return 0; 1680 } 1681 /* otherwise, return ok for active, not-ok if not active. */ 1682 return !(ifmr.ifm_status & IFM_ACTIVE); 1683 } 1684 1685 1686 #define IFFBITS \ 1687 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 1688 \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 1689 1690 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1691 1692 const struct ifmedia_status_description ifm_status_descriptions[] = 1693 IFM_STATUS_DESCRIPTIONS; 1694 1695 /* 1696 * Print the status of the interface. If an address family was 1697 * specified, show it and it only; otherwise, show them all. 1698 */ 1699 void 1700 status(ap, alen) 1701 const u_int8_t *ap; 1702 int alen; 1703 { 1704 struct afswtch *p = afp; 1705 struct ifmediareq ifmr; 1706 int *media_list, i; 1707 1708 printf("%s: ", name); 1709 printb("flags", flags, IFFBITS); 1710 if (metric) 1711 printf(" metric %d", metric); 1712 if (mtu) 1713 printf(" mtu %d", mtu); 1714 putchar('\n'); 1715 1716 ieee80211_status(); 1717 tunnel_status(); 1718 1719 if (ap && alen > 0) { 1720 printf("\taddress:"); 1721 for (i = 0; i < alen; i++, ap++) 1722 printf("%c%02x", i > 0 ? ':' : ' ', *ap); 1723 putchar('\n'); 1724 } 1725 1726 (void) memset(&ifmr, 0, sizeof(ifmr)); 1727 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1728 1729 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1730 /* 1731 * Interface doesn't support SIOC{G,S}IFMEDIA. 1732 */ 1733 goto proto_status; 1734 } 1735 1736 if (ifmr.ifm_count == 0) { 1737 warnx("%s: no media types?", name); 1738 goto proto_status; 1739 } 1740 1741 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1742 if (media_list == NULL) 1743 err(1, "malloc"); 1744 ifmr.ifm_ulist = media_list; 1745 1746 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) 1747 err(1, "SIOCGIFMEDIA"); 1748 1749 printf("\tmedia: "); 1750 print_media_word(ifmr.ifm_current, 1, 0); 1751 if (ifmr.ifm_active != ifmr.ifm_current) { 1752 putchar(' '); 1753 putchar('('); 1754 print_media_word(ifmr.ifm_active, 0, 0); 1755 putchar(')'); 1756 } 1757 putchar('\n'); 1758 1759 if (ifmr.ifm_status & IFM_STATUS_VALID) { 1760 const struct ifmedia_status_description *ifms; 1761 int bitno, found = 0; 1762 1763 printf("\tstatus: "); 1764 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 1765 for (ifms = ifm_status_descriptions; 1766 ifms->ifms_valid != 0; ifms++) { 1767 if (ifms->ifms_type != 1768 IFM_TYPE(ifmr.ifm_current) || 1769 ifms->ifms_valid != 1770 ifm_status_valid_list[bitno]) 1771 continue; 1772 printf("%s%s", found ? ", " : "", 1773 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 1774 found = 1; 1775 1776 /* 1777 * For each valid indicator bit, there's 1778 * only one entry for each media type, so 1779 * terminate the inner loop now. 1780 */ 1781 break; 1782 } 1783 } 1784 1785 if (found == 0) 1786 printf("unknown"); 1787 putchar('\n'); 1788 } 1789 1790 if (mflag) { 1791 int type, printed_type; 1792 1793 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 1794 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 1795 if (IFM_TYPE(media_list[i]) == type) { 1796 if (printed_type == 0) { 1797 printf("\tsupported %s media:\n", 1798 get_media_type_string(type)); 1799 printed_type = 1; 1800 } 1801 printf("\t\t"); 1802 print_media_word(media_list[i], 0, 1); 1803 printf("\n"); 1804 } 1805 } 1806 } 1807 } 1808 1809 free(media_list); 1810 1811 proto_status: 1812 if ((p = afp) != NULL) { 1813 (*p->af_status)(1); 1814 } else for (p = afs; p->af_name; p++) { 1815 ifr.ifr_addr.sa_family = p->af_af; 1816 (*p->af_status)(0); 1817 } 1818 } 1819 1820 void 1821 tunnel_status() 1822 { 1823 char psrcaddr[NI_MAXHOST]; 1824 char pdstaddr[NI_MAXHOST]; 1825 u_long srccmd, dstcmd; 1826 struct ifreq *ifrp; 1827 const char *ver = ""; 1828 #ifdef NI_WITHSCOPEID 1829 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 1830 #else 1831 const int niflag = NI_NUMERICHOST; 1832 #endif 1833 #ifdef INET6 1834 struct in6_ifreq in6_ifr; 1835 int s6; 1836 #endif /* INET6 */ 1837 1838 psrcaddr[0] = pdstaddr[0] = '\0'; 1839 1840 #ifdef INET6 1841 memset(&in6_ifr, 0, sizeof(in6_ifr)); 1842 strncpy(in6_ifr.ifr_name, name, IFNAMSIZ); 1843 s6 = socket(AF_INET6, SOCK_DGRAM, 0); 1844 if (s6 < 0) { 1845 srccmd = SIOCGIFPSRCADDR; 1846 dstcmd = SIOCGIFPDSTADDR; 1847 ifrp = 𝔦 1848 } else { 1849 close(s6); 1850 srccmd = SIOCGIFPSRCADDR_IN6; 1851 dstcmd = SIOCGIFPDSTADDR_IN6; 1852 ifrp = (struct ifreq *)&in6_ifr; 1853 } 1854 #else /* INET6 */ 1855 srccmd = SIOCGIFPSRCADDR; 1856 dstcmd = SIOCGIFPDSTADDR; 1857 ifrp = 𝔦 1858 #endif /* INET6 */ 1859 1860 if (ioctl(s, srccmd, (caddr_t)ifrp) < 0) 1861 return; 1862 #ifdef INET6 1863 if (ifrp->ifr_addr.sa_family == AF_INET6) 1864 in6_fillscopeid((struct sockaddr_in6 *)&ifrp->ifr_addr); 1865 #endif 1866 getnameinfo(&ifrp->ifr_addr, ifrp->ifr_addr.sa_len, 1867 psrcaddr, sizeof(psrcaddr), 0, 0, niflag); 1868 #ifdef INET6 1869 if (ifrp->ifr_addr.sa_family == AF_INET6) 1870 ver = "6"; 1871 #endif 1872 1873 if (ioctl(s, dstcmd, (caddr_t)ifrp) < 0) 1874 return; 1875 #ifdef INET6 1876 if (ifrp->ifr_addr.sa_family == AF_INET6) 1877 in6_fillscopeid((struct sockaddr_in6 *)&ifrp->ifr_addr); 1878 #endif 1879 getnameinfo(&ifrp->ifr_addr, ifrp->ifr_addr.sa_len, 1880 pdstaddr, sizeof(pdstaddr), 0, 0, niflag); 1881 1882 printf("\ttunnel inet%s %s --> %s\n", ver, 1883 psrcaddr, pdstaddr); 1884 } 1885 1886 void 1887 in_alias(creq) 1888 struct ifreq *creq; 1889 { 1890 struct sockaddr_in *sin; 1891 int alias; 1892 1893 if (lflag) 1894 return; 1895 1896 alias = 1; 1897 1898 /* Get the non-alias address for this interface. */ 1899 getsock(AF_INET); 1900 if (s < 0) { 1901 if (errno == EPROTONOSUPPORT) 1902 return; 1903 err(1, "socket"); 1904 } 1905 (void) memset(&ifr, 0, sizeof(ifr)); 1906 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1907 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 1908 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1909 return; 1910 } else 1911 warn("SIOCGIFADDR"); 1912 } 1913 /* If creq and ifr are the same address, this is not an alias. */ 1914 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 1915 sizeof(creq->ifr_addr)) == 0) 1916 alias = 0; 1917 /* we print aliases only with -A */ 1918 if (alias && !Aflag) 1919 return; 1920 (void) memset(&addreq, 0, sizeof(addreq)); 1921 (void) strncpy(addreq.ifra_name, name, sizeof(addreq.ifra_name)); 1922 addreq.ifra_addr = creq->ifr_addr; 1923 if (ioctl(s, SIOCGIFALIAS, (caddr_t)&addreq) < 0) { 1924 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1925 return; 1926 } else 1927 warn("SIOCGIFALIAS"); 1928 } 1929 1930 sin = (struct sockaddr_in *)&addreq.ifra_addr; 1931 printf("\tinet %s%s", alias ? "alias " : "", inet_ntoa(sin->sin_addr)); 1932 1933 if (flags & IFF_POINTOPOINT) { 1934 sin = (struct sockaddr_in *)&addreq.ifra_dstaddr; 1935 printf(" -> %s", inet_ntoa(sin->sin_addr)); 1936 } 1937 1938 sin = (struct sockaddr_in *)&addreq.ifra_mask; 1939 printf(" netmask 0x%x", ntohl(sin->sin_addr.s_addr)); 1940 1941 if (flags & IFF_BROADCAST) { 1942 sin = (struct sockaddr_in *)&addreq.ifra_broadaddr; 1943 printf(" broadcast %s", inet_ntoa(sin->sin_addr)); 1944 } 1945 printf("\n"); 1946 } 1947 1948 void 1949 in_status(force) 1950 int force; 1951 { 1952 #ifdef HAVE_IFADDRS_H 1953 struct ifaddrs *ifap, *ifa; 1954 struct ifreq ifr; 1955 1956 if (getifaddrs(&ifap) != 0) 1957 err(1, "getifaddrs"); 1958 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 1959 if (strcmp(name, ifa->ifa_name) != 0) 1960 continue; 1961 if (ifa->ifa_addr->sa_family != AF_INET) 1962 continue; 1963 if (sizeof(ifr.ifr_addr) < ifa->ifa_addr->sa_len) 1964 continue; 1965 1966 memset(&ifr, 0, sizeof(ifr)); 1967 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 1968 memcpy(&ifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 1969 in_alias(&ifr); 1970 } 1971 freeifaddrs(ifap); 1972 #else 1973 char inbuf[8192]; 1974 struct ifconf ifc; 1975 struct ifreq *ifr; 1976 int i, siz; 1977 char ifrbuf[8192], *cp; 1978 1979 ifc.ifc_len = sizeof(inbuf); 1980 ifc.ifc_buf = inbuf; 1981 getsock(af); 1982 if (s < 0) 1983 err(1, "socket"); 1984 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 1985 err(1, "SIOCGIFCONF"); 1986 for (i = 0; i < ifc.ifc_len; ) { 1987 /* Copy the mininum ifreq into the buffer. */ 1988 cp = ((caddr_t)ifc.ifc_req + i); 1989 memcpy(ifrbuf, cp, sizeof(*ifr)); 1990 1991 /* Now compute the actual size of the ifreq. */ 1992 ifr = (struct ifreq *)ifrbuf; 1993 siz = ifr->ifr_addr.sa_len; 1994 if (siz < sizeof(ifr->ifr_addr)) 1995 siz = sizeof(ifr->ifr_addr); 1996 siz += sizeof(ifr->ifr_name); 1997 i += siz; 1998 1999 /* Now copy the whole thing. */ 2000 if (sizeof(ifrbuf) < siz) 2001 errx(1, "ifr too big"); 2002 memcpy(ifrbuf, cp, siz); 2003 2004 if (!strncmp(name, ifr->ifr_name, sizeof(ifr->ifr_name))) { 2005 if (ifr->ifr_addr.sa_family == AF_INET) 2006 in_alias(ifr); 2007 } 2008 } 2009 #endif 2010 } 2011 2012 void 2013 setifprefixlen(addr, d) 2014 const char *addr; 2015 int d; 2016 { 2017 if (*afp->af_getprefix) 2018 (*afp->af_getprefix)(addr, MASK); 2019 explicit_prefix = 1; 2020 } 2021 2022 #ifdef INET6 2023 void 2024 in6_fillscopeid(sin6) 2025 struct sockaddr_in6 *sin6; 2026 { 2027 #if defined(__KAME__) && defined(KAME_SCOPEID) 2028 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 2029 sin6->sin6_scope_id = 2030 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 2031 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 2032 } 2033 #endif 2034 } 2035 2036 /* XXX not really an alias */ 2037 void 2038 in6_alias(creq) 2039 struct in6_ifreq *creq; 2040 { 2041 struct sockaddr_in6 *sin6; 2042 char hbuf[NI_MAXHOST]; 2043 u_int32_t scopeid; 2044 #ifdef NI_WITHSCOPEID 2045 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 2046 #else 2047 const int niflag = NI_NUMERICHOST; 2048 #endif 2049 2050 /* Get the non-alias address for this interface. */ 2051 getsock(AF_INET6); 2052 if (s < 0) { 2053 if (errno == EPROTONOSUPPORT) 2054 return; 2055 err(1, "socket"); 2056 } 2057 2058 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 2059 2060 in6_fillscopeid(sin6); 2061 scopeid = sin6->sin6_scope_id; 2062 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2063 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2064 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2065 printf("\tinet6 %s", hbuf); 2066 2067 if (flags & IFF_POINTOPOINT) { 2068 (void) memset(&ifr6, 0, sizeof(ifr6)); 2069 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2070 ifr6.ifr_addr = creq->ifr_addr; 2071 if (ioctl(s, SIOCGIFDSTADDR_IN6, (caddr_t)&ifr6) < 0) { 2072 if (errno != EADDRNOTAVAIL) 2073 warn("SIOCGIFDSTADDR_IN6"); 2074 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 2075 ifr6.ifr_addr.sin6_family = AF_INET6; 2076 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 2077 } 2078 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2079 in6_fillscopeid(sin6); 2080 hbuf[0] = '\0'; 2081 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2082 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2083 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2084 printf(" -> %s", hbuf); 2085 } 2086 2087 (void) memset(&ifr6, 0, sizeof(ifr6)); 2088 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2089 ifr6.ifr_addr = creq->ifr_addr; 2090 if (ioctl(s, SIOCGIFNETMASK_IN6, (caddr_t)&ifr6) < 0) { 2091 if (errno != EADDRNOTAVAIL) 2092 warn("SIOCGIFNETMASK_IN6"); 2093 } else { 2094 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2095 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 2096 sizeof(struct in6_addr))); 2097 } 2098 2099 (void) memset(&ifr6, 0, sizeof(ifr6)); 2100 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2101 ifr6.ifr_addr = creq->ifr_addr; 2102 if (ioctl(s, SIOCGIFAFLAG_IN6, (caddr_t)&ifr6) < 0) { 2103 if (errno != EADDRNOTAVAIL) 2104 warn("SIOCGIFAFLAG_IN6"); 2105 } else { 2106 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 2107 printf(" anycast"); 2108 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 2109 printf(" tentative"); 2110 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 2111 printf(" duplicated"); 2112 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 2113 printf(" detached"); 2114 } 2115 2116 if (scopeid) 2117 printf(" scopeid 0x%x", scopeid); 2118 2119 if (Lflag) { 2120 struct in6_addrlifetime *lifetime; 2121 (void) memset(&ifr6, 0, sizeof(ifr6)); 2122 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2123 ifr6.ifr_addr = creq->ifr_addr; 2124 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 2125 if (ioctl(s, SIOCGIFALIFETIME_IN6, (caddr_t)&ifr6) < 0) { 2126 if (errno != EADDRNOTAVAIL) 2127 warn("SIOCGIFALIFETIME_IN6"); 2128 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 2129 time_t t = time(NULL); 2130 printf(" pltime "); 2131 if (lifetime->ia6t_preferred) { 2132 printf("%s", lifetime->ia6t_preferred < t 2133 ? "0" 2134 : sec2str(lifetime->ia6t_preferred - t)); 2135 } else 2136 printf("infty"); 2137 2138 printf(" vltime "); 2139 if (lifetime->ia6t_expire) { 2140 printf("%s", lifetime->ia6t_expire < t 2141 ? "0" 2142 : sec2str(lifetime->ia6t_expire - t)); 2143 } else 2144 printf("infty"); 2145 } 2146 } 2147 2148 printf("\n"); 2149 } 2150 2151 void 2152 in6_status(force) 2153 int force; 2154 { 2155 #ifdef HAVE_IFADDRS_H 2156 struct ifaddrs *ifap, *ifa; 2157 struct in6_ifreq ifr; 2158 2159 if (getifaddrs(&ifap) != 0) 2160 err(1, "getifaddrs"); 2161 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2162 if (strcmp(name, ifa->ifa_name) != 0) 2163 continue; 2164 if (ifa->ifa_addr->sa_family != AF_INET6) 2165 continue; 2166 if (sizeof(ifr.ifr_addr) < ifa->ifa_addr->sa_len) 2167 continue; 2168 2169 memset(&ifr, 0, sizeof(ifr)); 2170 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 2171 memcpy(&ifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2172 in6_alias(&ifr); 2173 } 2174 freeifaddrs(ifap); 2175 #else 2176 char inbuf[8192]; 2177 struct ifconf ifc; 2178 struct ifreq *ifr; 2179 int i, siz; 2180 char ifrbuf[8192], *cp; 2181 2182 ifc.ifc_len = sizeof(inbuf); 2183 ifc.ifc_buf = inbuf; 2184 getsock(af); 2185 if (s < 0) 2186 err(1, "socket"); 2187 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 2188 err(1, "SIOCGIFCONF"); 2189 for (i = 0; i < ifc.ifc_len; ) { 2190 /* Copy the mininum ifreq into the buffer. */ 2191 cp = ((caddr_t)ifc.ifc_req + i); 2192 memcpy(ifrbuf, cp, sizeof(*ifr)); 2193 2194 /* Now compute the actual size of the ifreq. */ 2195 ifr = (struct ifreq *)ifrbuf; 2196 siz = ifr->ifr_addr.sa_len; 2197 if (siz < sizeof(ifr->ifr_addr)) 2198 siz = sizeof(ifr->ifr_addr); 2199 siz += sizeof(ifr->ifr_name); 2200 i += siz; 2201 2202 /* Now copy the whole thing. */ 2203 if (sizeof(ifrbuf) < siz) 2204 errx(1, "ifr too big"); 2205 memcpy(ifrbuf, cp, siz); 2206 2207 if (!strncmp(name, ifr->ifr_name, sizeof(ifr->ifr_name))) { 2208 if (ifr->ifr_addr.sa_family == AF_INET6) 2209 in6_alias((struct in6_ifreq *)ifr); 2210 } 2211 } 2212 #endif 2213 } 2214 #endif /*INET6*/ 2215 2216 #ifndef INET_ONLY 2217 2218 void 2219 at_status(force) 2220 int force; 2221 { 2222 struct sockaddr_at *sat, null_sat; 2223 struct netrange *nr; 2224 2225 getsock(AF_APPLETALK); 2226 if (s < 0) { 2227 if (errno == EPROTONOSUPPORT) 2228 return; 2229 err(1, "socket"); 2230 } 2231 (void) memset(&ifr, 0, sizeof(ifr)); 2232 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2233 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 2234 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2235 if (!force) 2236 return; 2237 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2238 } else 2239 warn("SIOCGIFADDR"); 2240 } 2241 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2242 sat = (struct sockaddr_at *)&ifr.ifr_addr; 2243 2244 (void) memset(&null_sat, 0, sizeof(null_sat)); 2245 2246 nr = (struct netrange *) &sat->sat_zero; 2247 printf("\tatalk %d.%d range %d-%d phase %d", 2248 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2249 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 2250 if (flags & IFF_POINTOPOINT) { 2251 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 2252 if (errno == EADDRNOTAVAIL) 2253 (void) memset(&ifr.ifr_addr, 0, 2254 sizeof(ifr.ifr_addr)); 2255 else 2256 warn("SIOCGIFDSTADDR"); 2257 } 2258 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2259 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 2260 if (!sat) 2261 sat = &null_sat; 2262 printf("--> %d.%d", 2263 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 2264 } 2265 if (flags & IFF_BROADCAST) { 2266 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 2267 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 2268 if (sat) 2269 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 2270 sat->sat_addr.s_node); 2271 } 2272 putchar('\n'); 2273 } 2274 2275 void 2276 xns_status(force) 2277 int force; 2278 { 2279 struct sockaddr_ns *sns; 2280 2281 getsock(AF_NS); 2282 if (s < 0) { 2283 if (errno == EPROTONOSUPPORT) 2284 return; 2285 err(1, "socket"); 2286 } 2287 (void) memset(&ifr, 0, sizeof(ifr)); 2288 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2289 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 2290 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2291 if (!force) 2292 return; 2293 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2294 } else 2295 warn("SIOCGIFADDR"); 2296 } 2297 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2298 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 2299 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 2300 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 2301 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 2302 if (errno == EADDRNOTAVAIL) 2303 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2304 else 2305 warn("SIOCGIFDSTADDR"); 2306 } 2307 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2308 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 2309 printf("--> %s ", ns_ntoa(sns->sns_addr)); 2310 } 2311 putchar('\n'); 2312 } 2313 2314 void 2315 iso_status(force) 2316 int force; 2317 { 2318 struct sockaddr_iso *siso; 2319 struct iso_ifreq ifr; 2320 2321 getsock(AF_ISO); 2322 if (s < 0) { 2323 if (errno == EPROTONOSUPPORT) 2324 return; 2325 err(1, "socket"); 2326 } 2327 (void) memset(&ifr, 0, sizeof(ifr)); 2328 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2329 if (ioctl(s, SIOCGIFADDR_ISO, (caddr_t)&ifr) < 0) { 2330 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2331 if (!force) 2332 return; 2333 (void) memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2334 } else 2335 warn("SIOCGIFADDR_ISO"); 2336 } 2337 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2338 siso = &ifr.ifr_Addr; 2339 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 2340 if (ioctl(s, SIOCGIFNETMASK_ISO, (caddr_t)&ifr) < 0) { 2341 if (errno == EADDRNOTAVAIL) 2342 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2343 else 2344 warn("SIOCGIFNETMASK_ISO"); 2345 } else { 2346 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 2347 siso->siso_addr.isoa_len = siso->siso_len 2348 - offsetof(struct sockaddr_iso, siso_addr); 2349 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 2350 } 2351 if (flags & IFF_POINTOPOINT) { 2352 if (ioctl(s, SIOCGIFDSTADDR_ISO, (caddr_t)&ifr) < 0) { 2353 if (errno == EADDRNOTAVAIL) 2354 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2355 else 2356 warn("SIOCGIFDSTADDR_ISO"); 2357 } 2358 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2359 siso = &ifr.ifr_Addr; 2360 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 2361 } 2362 putchar('\n'); 2363 } 2364 2365 #endif /* INET_ONLY */ 2366 2367 #define SIN(x) ((struct sockaddr_in *) &(x)) 2368 struct sockaddr_in *sintab[] = { 2369 SIN(ridreq.ifr_addr), SIN(addreq.ifra_addr), 2370 SIN(addreq.ifra_mask), SIN(addreq.ifra_broadaddr)}; 2371 2372 void 2373 in_getaddr(s, which) 2374 const char *s; 2375 int which; 2376 { 2377 struct sockaddr_in *sin = sintab[which]; 2378 struct hostent *hp; 2379 struct netent *np; 2380 2381 sin->sin_len = sizeof(*sin); 2382 if (which != MASK) 2383 sin->sin_family = AF_INET; 2384 2385 if (which == ADDR) { 2386 char *p = NULL; 2387 2388 if((p = strrchr(s, '/')) != NULL) { 2389 /* address is `name/masklen' */ 2390 int masklen; 2391 int ret; 2392 struct sockaddr_in *min = sintab[MASK]; 2393 *p = '\0'; 2394 ret = sscanf(p+1, "%u", &masklen); 2395 if(ret != 1 || (masklen < 0 || masklen > 32)) { 2396 *p = '/'; 2397 errx(1, "%s: bad value", s); 2398 } 2399 min->sin_len = sizeof(*min); 2400 min->sin_addr.s_addr = 2401 htonl(~((1LL << (32 - masklen)) - 1) & 2402 0xffffffff); 2403 } 2404 } 2405 2406 if (inet_aton(s, &sin->sin_addr) == 0) { 2407 if ((hp = gethostbyname(s)) != NULL) 2408 (void) memcpy(&sin->sin_addr, hp->h_addr, hp->h_length); 2409 else if ((np = getnetbyname(s)) != NULL) 2410 sin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 2411 else 2412 errx(1, "%s: bad value", s); 2413 } 2414 } 2415 2416 /* 2417 * Print a value a la the %b format of the kernel's printf 2418 */ 2419 void 2420 printb(s, v, bits) 2421 const char *s; 2422 unsigned short v; 2423 const char *bits; 2424 { 2425 int i, any = 0; 2426 char c; 2427 2428 if (bits && *bits == 8) 2429 printf("%s=%o", s, v); 2430 else 2431 printf("%s=%x", s, v); 2432 bits++; 2433 if (bits) { 2434 putchar('<'); 2435 while ((i = *bits++) != 0) { 2436 if (v & (1 << (i-1))) { 2437 if (any) 2438 putchar(','); 2439 any = 1; 2440 for (; (c = *bits) > 32; bits++) 2441 putchar(c); 2442 } else 2443 for (; *bits > 32; bits++) 2444 ; 2445 } 2446 putchar('>'); 2447 } 2448 } 2449 2450 #ifdef INET6 2451 #define SIN6(x) ((struct sockaddr_in6 *) &(x)) 2452 struct sockaddr_in6 *sin6tab[] = { 2453 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 2454 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 2455 2456 void 2457 in6_getaddr(s, which) 2458 const char *s; 2459 int which; 2460 { 2461 #if defined(__KAME__) && defined(KAME_SCOPEID) 2462 struct sockaddr_in6 *sin6 = sin6tab[which]; 2463 struct addrinfo hints, *res; 2464 int error; 2465 2466 memset(&hints, 0, sizeof(hints)); 2467 hints.ai_family = AF_INET6; 2468 hints.ai_socktype = SOCK_DGRAM; 2469 #if 0 /* in_getaddr() allows FQDN */ 2470 hints.ai_flags = AI_NUMERICHOST; 2471 #endif 2472 error = getaddrinfo(s, "0", &hints, &res); 2473 if (error) 2474 errx(1, "%s: %s", s, gai_strerror(error)); 2475 if (res->ai_next) 2476 errx(1, "%s: resolved to multiple hosts", s); 2477 if (res->ai_addrlen != sizeof(struct sockaddr_in6)) 2478 errx(1, "%s: bad value", s); 2479 memcpy(sin6, res->ai_addr, res->ai_addrlen); 2480 freeaddrinfo(res); 2481 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) { 2482 *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = 2483 htons(sin6->sin6_scope_id); 2484 sin6->sin6_scope_id = 0; 2485 } 2486 #else 2487 struct sockaddr_in6 *sin = sin6tab[which]; 2488 2489 sin->sin6_len = sizeof(*sin); 2490 if (which != MASK) 2491 sin->sin6_family = AF_INET6; 2492 2493 if (which == ADDR) { 2494 char *p = NULL; 2495 if((p = strrchr(s, '/')) != NULL) { 2496 *p = '\0'; 2497 in6_getprefix(p + 1, MASK); 2498 explicit_prefix = 1; 2499 } 2500 } 2501 2502 if (inet_pton(AF_INET6, s, &sin->sin6_addr) != 1) 2503 errx(1, "%s: bad value", s); 2504 #endif 2505 } 2506 2507 void 2508 in6_getprefix(plen, which) 2509 const char *plen; 2510 int which; 2511 { 2512 register struct sockaddr_in6 *sin = sin6tab[which]; 2513 register u_char *cp; 2514 int len = strtol(plen, (char **)NULL, 10); 2515 2516 if ((len < 0) || (len > 128)) 2517 errx(1, "%s: bad value", plen); 2518 sin->sin6_len = sizeof(*sin); 2519 if (which != MASK) 2520 sin->sin6_family = AF_INET6; 2521 if ((len == 0) || (len == 128)) { 2522 memset(&sin->sin6_addr, 0xff, sizeof(struct in6_addr)); 2523 return; 2524 } 2525 memset((void *)&sin->sin6_addr, 0x00, sizeof(sin->sin6_addr)); 2526 for (cp = (u_char *)&sin->sin6_addr; len > 7; len -= 8) 2527 *cp++ = 0xff; 2528 *cp = 0xff << (8 - len); 2529 } 2530 2531 int 2532 prefix(val, size) 2533 void *val; 2534 int size; 2535 { 2536 register u_char *name = (u_char *)val; 2537 register int byte, bit, plen = 0; 2538 2539 for (byte = 0; byte < size; byte++, plen += 8) 2540 if (name[byte] != 0xff) 2541 break; 2542 if (byte == size) 2543 return (plen); 2544 for (bit = 7; bit != 0; bit--, plen++) 2545 if (!(name[byte] & (1 << bit))) 2546 break; 2547 for (; bit != 0; bit--) 2548 if (name[byte] & (1 << bit)) 2549 return(0); 2550 byte++; 2551 for (; byte < size; byte++) 2552 if (name[byte]) 2553 return(0); 2554 return (plen); 2555 } 2556 #endif /*INET6*/ 2557 2558 #ifndef INET_ONLY 2559 void 2560 at_getaddr(addr, which) 2561 const char *addr; 2562 int which; 2563 { 2564 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 2565 u_int net, node; 2566 2567 sat->sat_family = AF_APPLETALK; 2568 sat->sat_len = sizeof(*sat); 2569 if (which == MASK) 2570 errx(1, "AppleTalk does not use netmasks\n"); 2571 if (sscanf(addr, "%u.%u", &net, &node) != 2 2572 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 2573 errx(1, "%s: illegal address", addr); 2574 sat->sat_addr.s_net = htons(net); 2575 sat->sat_addr.s_node = node; 2576 } 2577 2578 void 2579 setatrange(range, d) 2580 const char *range; 2581 int d; 2582 { 2583 u_short first = 123, last = 123; 2584 2585 if (sscanf(range, "%hu-%hu", &first, &last) != 2 2586 || first == 0 || first > 0xffff 2587 || last == 0 || last > 0xffff || first > last) 2588 errx(1, "%s: illegal net range: %u-%u", range, first, last); 2589 at_nr.nr_firstnet = htons(first); 2590 at_nr.nr_lastnet = htons(last); 2591 } 2592 2593 void 2594 setatphase(phase, d) 2595 const char *phase; 2596 int d; 2597 { 2598 if (!strcmp(phase, "1")) 2599 at_nr.nr_phase = 1; 2600 else if (!strcmp(phase, "2")) 2601 at_nr.nr_phase = 2; 2602 else 2603 errx(1, "%s: illegal phase", phase); 2604 } 2605 2606 void 2607 checkatrange(sat) 2608 struct sockaddr_at *sat; 2609 { 2610 if (at_nr.nr_phase == 0) 2611 at_nr.nr_phase = 2; /* Default phase 2 */ 2612 if (at_nr.nr_firstnet == 0) 2613 at_nr.nr_firstnet = /* Default range of one */ 2614 at_nr.nr_lastnet = sat->sat_addr.s_net; 2615 printf("\tatalk %d.%d range %d-%d phase %d\n", 2616 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2617 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 2618 if ((u_short) ntohs(at_nr.nr_firstnet) > 2619 (u_short) ntohs(sat->sat_addr.s_net) 2620 || (u_short) ntohs(at_nr.nr_lastnet) < 2621 (u_short) ntohs(sat->sat_addr.s_net)) 2622 errx(1, "AppleTalk address is not in range"); 2623 *((struct netrange *) &sat->sat_zero) = at_nr; 2624 } 2625 2626 #define SNS(x) ((struct sockaddr_ns *) &(x)) 2627 struct sockaddr_ns *snstab[] = { 2628 SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 2629 SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 2630 2631 void 2632 xns_getaddr(addr, which) 2633 const char *addr; 2634 int which; 2635 { 2636 struct sockaddr_ns *sns = snstab[which]; 2637 2638 sns->sns_family = AF_NS; 2639 sns->sns_len = sizeof(*sns); 2640 sns->sns_addr = ns_addr(addr); 2641 if (which == MASK) 2642 puts("Attempt to set XNS netmask will be ineffectual"); 2643 } 2644 2645 #define SISO(x) ((struct sockaddr_iso *) &(x)) 2646 struct sockaddr_iso *sisotab[] = { 2647 SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 2648 SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 2649 2650 void 2651 iso_getaddr(addr, which) 2652 const char *addr; 2653 int which; 2654 { 2655 struct sockaddr_iso *siso = sisotab[which]; 2656 siso->siso_addr = *iso_addr(addr); 2657 2658 if (which == MASK) { 2659 siso->siso_len = TSEL(siso) - (caddr_t)(siso); 2660 siso->siso_nlen = 0; 2661 } else { 2662 siso->siso_len = sizeof(*siso); 2663 siso->siso_family = AF_ISO; 2664 } 2665 } 2666 2667 void 2668 setsnpaoffset(val, d) 2669 const char *val; 2670 int d; 2671 { 2672 iso_addreq.ifra_snpaoffset = atoi(val); 2673 } 2674 2675 void 2676 setnsellength(val, d) 2677 const char *val; 2678 int d; 2679 { 2680 nsellength = atoi(val); 2681 if (nsellength < 0) 2682 errx(1, "Negative NSEL length is absurd"); 2683 if (afp == 0 || afp->af_af != AF_ISO) 2684 errx(1, "Setting NSEL length valid only for iso"); 2685 } 2686 2687 void 2688 fixnsel(s) 2689 struct sockaddr_iso *s; 2690 { 2691 if (s->siso_family == 0) 2692 return; 2693 s->siso_tlen = nsellength; 2694 } 2695 2696 void 2697 adjust_nsellength() 2698 { 2699 fixnsel(sisotab[RIDADDR]); 2700 fixnsel(sisotab[ADDR]); 2701 fixnsel(sisotab[DSTADDR]); 2702 } 2703 2704 #endif /* INET_ONLY */ 2705 2706 void 2707 usage() 2708 { 2709 extern const char *__progname; 2710 2711 fprintf(stderr, 2712 "usage: %s [ -m ] [ -A ] " 2713 #ifdef INET6 2714 "[ -L ] " 2715 #endif 2716 "interface\n" 2717 "\t[ af [ address [ dest_addr ] ] [ up ] [ down ] " 2718 "[ netmask mask ] ]\n" 2719 "\t[ metric n ]\n" 2720 "\t[ mtu n ]\n" 2721 "\t[ nwid network_id ]\n" 2722 "\t[ nwkey network_key | -nwkey ]\n" 2723 "\t[ [ af ] tunnel src_addr dest_addr ]\n" 2724 "\t[ deletetunnel ]\n" 2725 "\t[ arp | -arp ]\n" 2726 "\t[ media mtype ]\n" 2727 "\t[ mediaopt mopts ]\n" 2728 "\t[ -mediaopt mopts ]\n" 2729 "\t[ instance minst ]\n" 2730 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" 2731 " %s -a [ -A ] [ -m ] [ -d ] [ -u ] [ af ]\n" 2732 " %s -l [ -d ] [ -u ]\n" 2733 " %s interface create\n" 2734 " %s interface destroy\n", 2735 __progname, __progname, __progname, __progname, __progname); 2736 exit(1); 2737 } 2738 2739 #ifdef INET6 2740 char * 2741 sec2str(total) 2742 time_t total; 2743 { 2744 static char result[256]; 2745 int days, hours, mins, secs; 2746 int first = 1; 2747 char *p = result; 2748 2749 if (0) { /*XXX*/ 2750 days = total / 3600 / 24; 2751 hours = (total / 3600) % 24; 2752 mins = (total / 60) % 60; 2753 secs = total % 60; 2754 2755 if (days) { 2756 first = 0; 2757 p += sprintf(p, "%dd", days); 2758 } 2759 if (!first || hours) { 2760 first = 0; 2761 p += sprintf(p, "%dh", hours); 2762 } 2763 if (!first || mins) { 2764 first = 0; 2765 p += sprintf(p, "%dm", mins); 2766 } 2767 sprintf(p, "%ds", secs); 2768 } else 2769 sprintf(p, "%lu", (u_long)total); 2770 2771 return(result); 2772 } 2773 #endif 2774
Indexes created Tue Sep 30 07:10:03 GMT 2025