ifconfig.c revision 1.79.4.7
1 /* $NetBSD: ifconfig.c,v 1.79.4.7 2001/05/01 11:06:43 he 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 1.79.4.7 2001/05/01 11:06:43 he 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, bflag, Cflag, dflag, lflag, mflag, sflag, uflag; 147 #ifdef INET6 148 int Lflag; 149 #endif 150 int reset_if_flags; 151 int explicit_prefix = 0; 152 u_int vlan_tag = (u_int)-1; 153 154 void notealias __P((const char *, int)); 155 void notrailers __P((const char *, int)); 156 void setifaddr __P((const char *, int)); 157 void setifdstaddr __P((const char *, int)); 158 void setifflags __P((const char *, int)); 159 void setifbroadaddr __P((const char *, int)); 160 void setifipdst __P((const char *, int)); 161 void setifmetric __P((const char *, int)); 162 void setifmtu __P((const char *, int)); 163 void setifnwid __P((const char *, int)); 164 void setifnwkey __P((const char *, int)); 165 void setifnetmask __P((const char *, int)); 166 void setifprefixlen __P((const char *, int)); 167 void setnsellength __P((const char *, int)); 168 void setsnpaoffset __P((const char *, int)); 169 void setatrange __P((const char *, int)); 170 void setatphase __P((const char *, int)); 171 void settunnel __P((const char *, const char *)); 172 void deletetunnel __P((const char *, int)); 173 #ifdef INET6 174 void setia6flags __P((const char *, int)); 175 void setia6pltime __P((const char *, int)); 176 void setia6vltime __P((const char *, int)); 177 void setia6lifetime __P((const char *, const char *)); 178 #endif 179 void checkatrange __P ((struct sockaddr_at *)); 180 void setmedia __P((const char *, int)); 181 void setmediaopt __P((const char *, int)); 182 void unsetmediaopt __P((const char *, int)); 183 void setmediainst __P((const char *, int)); 184 void clone_create __P((const char *, int)); 185 void clone_destroy __P((const char *, int)); 186 void fixnsel __P((struct sockaddr_iso *)); 187 void setvlan __P((const char *, int)); 188 void setvlanif __P((const char *, int)); 189 void unsetvlanif __P((const char *, int)); 190 int main __P((int, char *[])); 191 192 /* 193 * Media stuff. Whenever a media command is first performed, the 194 * currently select media is grabbed for this interface. If `media' 195 * is given, the current media word is modifed. `mediaopt' commands 196 * only modify the set and clear words. They then operate on the 197 * current media word later. 198 */ 199 int media_current; 200 int mediaopt_set; 201 int mediaopt_clear; 202 203 int actions; /* Actions performed */ 204 205 #define A_MEDIA 0x0001 /* media command */ 206 #define A_MEDIAOPTSET 0x0002 /* mediaopt command */ 207 #define A_MEDIAOPTCLR 0x0004 /* -mediaopt command */ 208 #define A_MEDIAOPT (A_MEDIAOPTSET|A_MEDIAOPTCLR) 209 #define A_MEDIAINST 0x0008 /* instance or inst command */ 210 211 #define NEXTARG 0xffffff 212 #define NEXTARG2 0xfffffe 213 214 const struct cmd { 215 const char *c_name; 216 int c_parameter; /* NEXTARG means next argv */ 217 int c_action; /* defered action */ 218 void (*c_func) __P((const char *, int)); 219 void (*c_func2) __P((const char *, const char *)); 220 } cmds[] = { 221 { "up", IFF_UP, 0, setifflags } , 222 { "down", -IFF_UP, 0, setifflags }, 223 { "trailers", -1, 0, notrailers }, 224 { "-trailers", 1, 0, notrailers }, 225 { "arp", -IFF_NOARP, 0, setifflags }, 226 { "-arp", IFF_NOARP, 0, setifflags }, 227 { "debug", IFF_DEBUG, 0, setifflags }, 228 { "-debug", -IFF_DEBUG, 0, setifflags }, 229 { "alias", IFF_UP, 0, notealias }, 230 { "-alias", -IFF_UP, 0, notealias }, 231 { "delete", -IFF_UP, 0, notealias }, 232 #ifdef notdef 233 #define EN_SWABIPS 0x1000 234 { "swabips", EN_SWABIPS, 0, setifflags }, 235 { "-swabips", -EN_SWABIPS, 0, setifflags }, 236 #endif 237 { "netmask", NEXTARG, 0, setifnetmask }, 238 { "metric", NEXTARG, 0, setifmetric }, 239 { "mtu", NEXTARG, 0, setifmtu }, 240 { "nwid", NEXTARG, 0, setifnwid }, 241 { "nwkey", NEXTARG, 0, setifnwkey }, 242 { "-nwkey", -1, 0, setifnwkey }, 243 { "broadcast", NEXTARG, 0, setifbroadaddr }, 244 { "ipdst", NEXTARG, 0, setifipdst }, 245 { "prefixlen", NEXTARG, 0, setifprefixlen}, 246 #ifdef INET6 247 { "anycast", IN6_IFF_ANYCAST, 0, setia6flags }, 248 { "-anycast", -IN6_IFF_ANYCAST, 0, setia6flags }, 249 { "tentative", IN6_IFF_TENTATIVE, 0, setia6flags }, 250 { "-tentative", -IN6_IFF_TENTATIVE, 0, setia6flags }, 251 { "pltime", NEXTARG, 0, setia6pltime }, 252 { "vltime", NEXTARG, 0, setia6vltime }, 253 #endif /*INET6*/ 254 #ifndef INET_ONLY 255 { "range", NEXTARG, 0, setatrange }, 256 { "phase", NEXTARG, 0, setatphase }, 257 { "snpaoffset", NEXTARG, 0, setsnpaoffset }, 258 { "nsellength", NEXTARG, 0, setnsellength }, 259 #endif /* INET_ONLY */ 260 { "tunnel", NEXTARG2, 0, NULL, 261 settunnel } , 262 { "deletetunnel", 0, 0, deletetunnel }, 263 { "vlan", NEXTARG, 0, setvlan } , 264 { "vlanif", NEXTARG, 0, setvlanif } , 265 { "-vlanif", 0, 0, unsetvlanif } , 266 { "deletetunnel", 0, 0, deletetunnel }, 267 #if 0 268 /* XXX `create' special-cased below */ 269 { "create", 0, 0, clone_create } , 270 #endif 271 { "destroy", 0, 0, clone_destroy } , 272 { "link0", IFF_LINK0, 0, setifflags } , 273 { "-link0", -IFF_LINK0, 0, setifflags } , 274 { "link1", IFF_LINK1, 0, setifflags } , 275 { "-link1", -IFF_LINK1, 0, setifflags } , 276 { "link2", IFF_LINK2, 0, setifflags } , 277 { "-link2", -IFF_LINK2, 0, setifflags } , 278 { "media", NEXTARG, A_MEDIA, setmedia }, 279 { "mediaopt", NEXTARG, A_MEDIAOPTSET, setmediaopt }, 280 { "-mediaopt", NEXTARG, A_MEDIAOPTCLR, unsetmediaopt }, 281 { "instance", NEXTARG, A_MEDIAINST, setmediainst }, 282 { "inst", NEXTARG, A_MEDIAINST, setmediainst }, 283 { 0, 0, 0, setifaddr }, 284 { 0, 0, 0, setifdstaddr }, 285 }; 286 287 void adjust_nsellength __P((void)); 288 int getinfo __P((struct ifreq *)); 289 int carrier __P((void)); 290 void getsock __P((int)); 291 void printall __P((const char *)); 292 void list_cloners __P((void)); 293 void printb __P((const char *, unsigned short, const char *)); 294 int prefix __P((void *, int)); 295 void status __P((const u_int8_t *, int)); 296 void usage __P((void)); 297 const char *get_string __P((const char *, const char *, u_int8_t *, int *)); 298 void print_string __P((const u_int8_t *, int)); 299 char *sec2str __P((time_t)); 300 301 const char *get_media_type_string __P((int)); 302 const char *get_media_subtype_string __P((int)); 303 int get_media_subtype __P((int, const char *)); 304 int get_media_options __P((int, const char *)); 305 int lookup_media_word __P((struct ifmedia_description *, int, 306 const char *)); 307 void print_media_word __P((int, int, int)); 308 void process_media_commands __P((void)); 309 void init_current_media __P((void)); 310 311 /* 312 * XNS support liberally adapted from code written at the University of 313 * Maryland principally by James O'Toole and Chris Torek. 314 */ 315 void in_alias __P((struct ifreq *)); 316 void in_status __P((int)); 317 void in_getaddr __P((const char *, int)); 318 #ifdef INET6 319 void in6_fillscopeid __P((struct sockaddr_in6 *sin6)); 320 void in6_alias __P((struct in6_ifreq *)); 321 void in6_status __P((int)); 322 void in6_getaddr __P((const char *, int)); 323 void in6_getprefix __P((const char *, int)); 324 #endif 325 void at_status __P((int)); 326 void at_getaddr __P((const char *, int)); 327 void xns_status __P((int)); 328 void xns_getaddr __P((const char *, int)); 329 void iso_status __P((int)); 330 void iso_getaddr __P((const char *, int)); 331 332 void ieee80211_status __P((void)); 333 void tunnel_status __P((void)); 334 void vlan_status __P((void)); 335 336 /* Known address families */ 337 struct afswtch { 338 const char *af_name; 339 short af_af; 340 void (*af_status) __P((int)); 341 void (*af_getaddr) __P((const char *, int)); 342 void (*af_getprefix) __P((const char *, int)); 343 u_long af_difaddr; 344 u_long af_aifaddr; 345 u_long af_gifaddr; 346 caddr_t af_ridreq; 347 caddr_t af_addreq; 348 } afs[] = { 349 #define C(x) ((caddr_t) &x) 350 { "inet", AF_INET, in_status, in_getaddr, NULL, 351 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(addreq) }, 352 #ifdef INET6 353 { "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix, 354 SIOCDIFADDR_IN6, SIOCAIFADDR_IN6, 355 /* 356 * Deleting the first address before setting new one is 357 * not prefered way in this protocol. 358 */ 359 0, 360 C(in6_ridreq), C(in6_addreq) }, 361 #endif 362 #ifndef INET_ONLY /* small version, for boot media */ 363 { "atalk", AF_APPLETALK, at_status, at_getaddr, NULL, 364 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(addreq), C(addreq) }, 365 { "ns", AF_NS, xns_status, xns_getaddr, NULL, 366 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(addreq) }, 367 { "iso", AF_ISO, iso_status, iso_getaddr, NULL, 368 SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, SIOCGIFADDR_ISO, 369 C(iso_ridreq), C(iso_addreq) }, 370 #endif /* INET_ONLY */ 371 { 0, 0, 0, 0 } 372 }; 373 374 struct afswtch *afp; /*the address family being set or asked about*/ 375 376 struct afswtch *lookup_af __P((const char *)); 377 378 int 379 main(argc, argv) 380 int argc; 381 char *argv[]; 382 { 383 struct ifreq ifreq; 384 int ch; 385 386 /* Parse command-line options */ 387 aflag = mflag = 0; 388 while ((ch = getopt(argc, argv, "AabCdlmsu" 389 #ifdef INET6 390 "L" 391 #endif 392 )) != -1) { 393 switch (ch) { 394 case 'A': 395 warnx("-A is deprecated"); 396 break; 397 398 case 'a': 399 aflag = 1; 400 break; 401 402 case 'b': 403 bflag = 1; 404 break; 405 406 407 case 'C': 408 Cflag = 1; 409 break; 410 411 case 'd': 412 dflag = 1; 413 break; 414 415 #ifdef INET6 416 case 'L': 417 Lflag = 1; 418 break; 419 #endif 420 421 case 'l': 422 lflag = 1; 423 break; 424 425 case 'm': 426 mflag = 1; 427 break; 428 429 case 's': 430 sflag = 1; 431 break; 432 433 case 'u': 434 uflag = 1; 435 break; 436 437 438 default: 439 usage(); 440 /* NOTREACHED */ 441 } 442 } 443 argc -= optind; 444 argv += optind; 445 446 /* 447 * -l means "list all interfaces", and is mutally exclusive with 448 * all other flags/commands. 449 * 450 * -C means "list all names of cloners", and it mutually exclusive 451 * with all other flags/commands. 452 * 453 * -a means "print status of all interfaces". 454 */ 455 if ((lflag || Cflag) && (aflag || mflag || argc)) 456 usage(); 457 #ifdef INET6 458 if ((lflag || Cflag) && Lflag) 459 usage(); 460 #endif 461 if (lflag && Cflag) 462 usage(); 463 if (Cflag) { 464 if (argc) 465 usage(); 466 list_cloners(); 467 exit(0); 468 } 469 if (aflag || lflag) { 470 if (argc > 1) 471 usage(); 472 else if (argc == 1) { 473 afp = lookup_af(argv[0]); 474 if (afp == NULL) 475 usage(); 476 } 477 if (afp) 478 af = ifr.ifr_addr.sa_family = afp->af_af; 479 else 480 af = ifr.ifr_addr.sa_family = afs[0].af_af; 481 printall(NULL); 482 exit(0); 483 } 484 485 /* Make sure there's an interface name. */ 486 if (argc < 1) 487 usage(); 488 (void) strncpy(name, argv[0], sizeof(name)); 489 argc--; argv++; 490 491 /* 492 * NOTE: We must special-case the `create' command right 493 * here as we would otherwise fail in getinfo(). 494 */ 495 if (argc > 0 && strcmp(argv[0], "create") == 0) { 496 clone_create(argv[0], 0); 497 argc--, argv++; 498 if (argc == 0) 499 exit(0); 500 } 501 502 /* Check for address family. */ 503 afp = NULL; 504 if (argc > 0) { 505 afp = lookup_af(argv[0]); 506 if (afp != NULL) { 507 argv++; 508 argc--; 509 } 510 } 511 512 /* Initialize af, just for use in getinfo(). */ 513 if (afp == NULL) 514 af = afs->af_af; 515 else 516 af = afp->af_af; 517 518 /* Get information about the interface. */ 519 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 520 if (getinfo(&ifr) < 0) 521 exit(1); 522 523 if (sflag) { 524 if (argc != 0) 525 usage(); 526 else 527 exit(carrier()); 528 } 529 530 /* No more arguments means interface status. */ 531 if (argc == 0) { 532 printall(name); 533 exit(0); 534 } 535 536 /* The following operations assume inet family as the default. */ 537 if (afp == NULL) 538 afp = afs; 539 af = ifr.ifr_addr.sa_family = afp->af_af; 540 541 #ifdef INET6 542 /* initialization */ 543 in6_addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; 544 in6_addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; 545 #endif 546 547 /* Process commands. */ 548 while (argc > 0) { 549 const struct cmd *p; 550 551 for (p = cmds; p->c_name; p++) 552 if (strcmp(argv[0], p->c_name) == 0) 553 break; 554 if (p->c_name == 0 && setaddr) { 555 if ((flags & IFF_POINTOPOINT) == 0) { 556 errx(1, "can't set destination address %s", 557 "on non-point-to-point link"); 558 } 559 p++; /* got src, do dst */ 560 } 561 if (p->c_func != NULL || p->c_func2 != NULL) { 562 if (p->c_parameter == NEXTARG) { 563 if (argc < 2) 564 errx(1, "'%s' requires argument", 565 p->c_name); 566 (*p->c_func)(argv[1], 0); 567 argc--, argv++; 568 } else if (p->c_parameter == NEXTARG2) { 569 if (argc < 3) 570 errx(1, "'%s' requires 2 arguments", 571 p->c_name); 572 (*p->c_func2)(argv[1], argv[2]); 573 argc -= 2, argv += 2; 574 } else 575 (*p->c_func)(argv[0], p->c_parameter); 576 actions |= p->c_action; 577 } 578 argc--, argv++; 579 } 580 581 /* Process any media commands that may have been issued. */ 582 process_media_commands(); 583 584 if (af == AF_INET6 && explicit_prefix == 0) { 585 /* 586 * Aggregatable address architecture defines all prefixes 587 * are 64. So, it is convenient to set prefixlen to 64 if 588 * it is not specified. 589 */ 590 setifprefixlen("64", 0); 591 /* in6_getprefix("64", MASK) if MASK is available here... */ 592 } 593 594 #ifndef INET_ONLY 595 if (af == AF_ISO) 596 adjust_nsellength(); 597 598 if (af == AF_APPLETALK) 599 checkatrange((struct sockaddr_at *) &addreq.ifra_addr); 600 601 if (setipdst && af==AF_NS) { 602 struct nsip_req rq; 603 int size = sizeof(rq); 604 605 rq.rq_ns = addreq.ifra_addr; 606 rq.rq_ip = addreq.ifra_dstaddr; 607 608 if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0) 609 warn("encapsulation routing"); 610 } 611 612 #endif /* INET_ONLY */ 613 614 if (clearaddr) { 615 (void) strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name); 616 if (ioctl(s, afp->af_difaddr, afp->af_ridreq) < 0) 617 err(1, "SIOCDIFADDR"); 618 } 619 if (newaddr > 0) { 620 (void) strncpy(afp->af_addreq, name, sizeof ifr.ifr_name); 621 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) < 0) 622 warn("SIOCAIFADDR"); 623 } 624 625 if (reset_if_flags) { 626 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 627 ifreq.ifr_flags = flags; 628 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) < 0) 629 err(1, "SIOCSIFFLAGS"); 630 } 631 exit(0); 632 } 633 634 struct afswtch * 635 lookup_af(cp) 636 const char *cp; 637 { 638 struct afswtch *a; 639 640 for (a = afs; a->af_name != NULL; a++) 641 if (strcmp(a->af_name, cp) == 0) 642 return (a); 643 return (NULL); 644 } 645 646 void 647 getsock(naf) 648 int naf; 649 { 650 static int oaf = -1; 651 652 if (oaf == naf) 653 return; 654 if (oaf != -1) 655 close(s); 656 s = socket(naf, SOCK_DGRAM, 0); 657 if (s < 0) 658 oaf = -1; 659 else 660 oaf = naf; 661 } 662 663 int 664 getinfo(ifr) 665 struct ifreq *ifr; 666 { 667 668 getsock(af); 669 if (s < 0) 670 err(1, "socket"); 671 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)ifr) < 0) { 672 warn("SIOCGIFFLAGS %s", ifr->ifr_name); 673 return (-1); 674 } 675 flags = ifr->ifr_flags; 676 if (ioctl(s, SIOCGIFMETRIC, (caddr_t)ifr) < 0) { 677 warn("SIOCGIFMETRIC %s", ifr->ifr_name); 678 metric = 0; 679 } else 680 metric = ifr->ifr_metric; 681 if (ioctl(s, SIOCGIFMTU, (caddr_t)ifr) < 0) 682 mtu = 0; 683 else 684 mtu = ifr->ifr_mtu; 685 return (0); 686 } 687 688 void 689 printall(ifname) 690 const char *ifname; 691 { 692 #ifdef HAVE_IFADDRS_H 693 struct ifaddrs *ifap, *ifa; 694 struct ifreq ifr; 695 const struct sockaddr_dl *sdl = NULL; 696 int idx; 697 char *p; 698 699 if (getifaddrs(&ifap) != 0) 700 err(1, "getifaddrs"); 701 p = NULL; 702 idx = 0; 703 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 704 memset(&ifr, 0, sizeof(ifr)); 705 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 706 if (sizeof(ifr.ifr_addr) >= ifa->ifa_addr->sa_len) { 707 memcpy(&ifr.ifr_addr, ifa->ifa_addr, 708 ifa->ifa_addr->sa_len); 709 } 710 711 if (ifname && strcmp(ifname, ifa->ifa_name) != 0) 712 continue; 713 if (ifa->ifa_addr->sa_family == AF_LINK) 714 sdl = (const struct sockaddr_dl *) ifa->ifa_addr; 715 if (p && strcmp(p, ifa->ifa_name) == 0) 716 continue; 717 (void) strncpy(name, ifa->ifa_name, sizeof(name)); 718 name[sizeof(name) - 1] = '\0'; 719 p = ifa->ifa_name; 720 721 if (getinfo(&ifr) < 0) 722 continue; 723 if (bflag && (ifa->ifa_flags & (IFF_POINTOPOINT|IFF_LOOPBACK))) 724 continue; 725 if (dflag && (ifa->ifa_flags & IFF_UP) != 0) 726 continue; 727 if (uflag && (ifa->ifa_flags & IFF_UP) == 0) 728 continue; 729 730 if (sflag && carrier()) 731 continue; 732 idx++; 733 /* 734 * Are we just listing the interfaces? 735 */ 736 if (lflag) { 737 if (idx > 1) 738 putchar(' '); 739 fputs(name, stdout); 740 continue; 741 } 742 743 if (sdl == NULL) { 744 status(NULL, 0); 745 } else { 746 status(LLADDR(sdl), sdl->sdl_alen); 747 sdl = NULL; 748 } 749 } 750 if (lflag) 751 putchar('\n'); 752 freeifaddrs(ifap); 753 #else 754 char inbuf[8192]; 755 const struct sockaddr_dl *sdl = NULL; 756 struct ifconf ifc; 757 struct ifreq ifreq, *ifr; 758 int i, siz, idx; 759 char ifrbuf[8192], *cp; 760 761 ifc.ifc_len = sizeof(inbuf); 762 ifc.ifc_buf = inbuf; 763 getsock(af); 764 if (s < 0) 765 err(1, "socket"); 766 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 767 err(1, "SIOCGIFCONF"); 768 ifreq.ifr_name[0] = '\0'; 769 for (i = 0, idx = 0; i < ifc.ifc_len; ) { 770 /* Copy the mininum ifreq into the buffer. */ 771 cp = ((caddr_t)ifc.ifc_req + i); 772 memcpy(ifrbuf, cp, sizeof(*ifr)); 773 774 /* Now compute the actual size of the ifreq. */ 775 ifr = (struct ifreq *)ifrbuf; 776 siz = ifr->ifr_addr.sa_len; 777 if (siz < sizeof(ifr->ifr_addr)) 778 siz = sizeof(ifr->ifr_addr); 779 siz += sizeof(ifr->ifr_name); 780 i += siz; 781 782 /* Now copy the whole thing. */ 783 if (sizeof(ifrbuf) < siz) 784 errx(1, "ifr too big"); 785 memcpy(ifrbuf, cp, siz); 786 787 if (ifname && strncmp(ifname, ifr->ifr_name, 788 sizeof(ifr->ifr_name))) 789 continue; 790 if (ifr->ifr_addr.sa_family == AF_LINK) 791 sdl = (const struct sockaddr_dl *) &ifr->ifr_addr; 792 if (!strncmp(ifreq.ifr_name, ifr->ifr_name, 793 sizeof(ifr->ifr_name))) 794 continue; 795 (void) strncpy(name, ifr->ifr_name, sizeof(ifr->ifr_name)); 796 ifreq = *ifr; 797 798 if (getinfo(&ifreq) < 0) 799 continue; 800 if (bflag && (flags & (IFF_POINTOPOINT|IFF_LOOPBACK))) 801 continue; 802 if (dflag && (flags & IFF_UP) != 0) 803 continue; 804 if (uflag && (flags & IFF_UP) == 0) 805 continue; 806 807 if (sflag && carrier()) 808 continue; 809 idx++; 810 /* 811 * Are we just listing the interfaces? 812 */ 813 if (lflag) { 814 if (idx > 1) 815 putchar(' '); 816 fputs(name, stdout); 817 continue; 818 } 819 820 if (sdl == NULL) { 821 status(NULL, 0); 822 } else { 823 status(LLADDR(sdl), sdl->sdl_alen); 824 sdl = NULL; 825 } 826 } 827 if (lflag) 828 putchar('\n'); 829 #endif 830 } 831 832 void 833 list_cloners(void) 834 { 835 struct if_clonereq ifcr; 836 char *cp, *buf; 837 int idx; 838 839 memset(&ifcr, 0, sizeof(ifcr)); 840 841 getsock(AF_INET); 842 843 if (ioctl(s, SIOCIFGCLONERS, &ifcr) < 0) 844 err(1, "SIOCIFGCLONERS for count"); 845 846 buf = malloc(ifcr.ifcr_total * IFNAMSIZ); 847 if (buf == NULL) 848 err(1, "unable to allocate cloner name buffer"); 849 850 ifcr.ifcr_count = ifcr.ifcr_total; 851 ifcr.ifcr_buffer = buf; 852 853 if (ioctl(s, SIOCIFGCLONERS, &ifcr) < 0) 854 err(1, "SIOCIFGCLONERS for names"); 855 856 /* 857 * In case some disappeared in the mean time, clamp it down. 858 */ 859 if (ifcr.ifcr_count > ifcr.ifcr_total) 860 ifcr.ifcr_count = ifcr.ifcr_total; 861 862 for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) { 863 if (idx > 0) 864 putchar(' '); 865 printf("%s", cp); 866 } 867 868 putchar('\n'); 869 free(buf); 870 return; 871 } 872 873 /*ARGSUSED*/ 874 void 875 clone_create(addr, param) 876 const char *addr; 877 int param; 878 { 879 880 /* We're called early... */ 881 getsock(AF_INET); 882 883 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 884 if (ioctl(s, SIOCIFCREATE, &ifr) < 0) 885 err(1, "SIOCIFCREATE"); 886 } 887 888 /*ARGSUSED*/ 889 void 890 clone_destroy(addr, param) 891 const char *addr; 892 int param; 893 { 894 895 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 896 if (ioctl(s, SIOCIFDESTROY, &ifr) < 0) 897 err(1, "SIOCIFDESTROY"); 898 } 899 900 #define RIDADDR 0 901 #define ADDR 1 902 #define MASK 2 903 #define DSTADDR 3 904 905 /*ARGSUSED*/ 906 void 907 setifaddr(addr, param) 908 const char *addr; 909 int param; 910 { 911 struct ifreq *ifr; /* XXX */ 912 913 /* 914 * Delay the ioctl to set the interface addr until flags are all set. 915 * The address interpretation may depend on the flags, 916 * and the flags may change when the address is set. 917 */ 918 setaddr++; 919 if (newaddr == -1) 920 newaddr = 1; 921 if (doalias == 0 && afp->af_gifaddr != 0) { 922 ifr = (struct ifreq *)afp->af_ridreq; 923 (void) strncpy(ifr->ifr_name, name, sizeof(ifr->ifr_name)); 924 ifr->ifr_addr.sa_family = afp->af_af; 925 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0) 926 clearaddr = 1; 927 else if (errno == EADDRNOTAVAIL) 928 /* No address was assigned yet. */ 929 ; 930 else 931 err(1, "SIOCGIFADDR"); 932 } 933 934 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 935 } 936 937 void 938 settunnel(src, dst) 939 const char *src, *dst; 940 { 941 struct addrinfo hints, *srcres, *dstres; 942 struct ifaliasreq addreq; 943 int ecode; 944 #ifdef INET6 945 struct in6_aliasreq in6_addreq; 946 #endif 947 948 memset(&hints, 0, sizeof(hints)); 949 hints.ai_family = afp->af_af; 950 951 if ((ecode = getaddrinfo(src, NULL, NULL, &srcres)) != 0) 952 errx(1, "error in parsing address string: %s", 953 gai_strerror(ecode)); 954 955 if ((ecode = getaddrinfo(dst, NULL, NULL, &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 switch (srcres->ai_addr->sa_family) { 964 case AF_INET: 965 memset(&addreq, 0, sizeof(addreq)); 966 strncpy(addreq.ifra_name, name, IFNAMSIZ); 967 memcpy(&addreq.ifra_addr, srcres->ai_addr, 968 srcres->ai_addr->sa_len); 969 memcpy(&addreq.ifra_dstaddr, dstres->ai_addr, 970 dstres->ai_addr->sa_len); 971 972 if (ioctl(s, SIOCSIFPHYADDR, &addreq) < 0) 973 warn("SIOCSIFPHYADDR"); 974 break; 975 976 #ifdef INET6 977 case AF_INET6: 978 memset(&in6_addreq, 0, sizeof(in6_addreq)); 979 strncpy(in6_addreq.ifra_name, name, IFNAMSIZ); 980 memcpy(&in6_addreq.ifra_addr, srcres->ai_addr, 981 srcres->ai_addr->sa_len); 982 memcpy(&in6_addreq.ifra_dstaddr, dstres->ai_addr, 983 dstres->ai_addr->sa_len); 984 985 if (ioctl(s, SIOCSIFPHYADDR_IN6, &in6_addreq) < 0) 986 warn("SIOCSIFPHYADDR_IN6"); 987 break; 988 #endif /* INET6 */ 989 990 default: 991 warn("address family not supported"); 992 } 993 994 freeaddrinfo(srcres); 995 freeaddrinfo(dstres); 996 } 997 998 /* ARGSUSED */ 999 void 1000 deletetunnel(vname, param) 1001 const char *vname; 1002 int param; 1003 { 1004 1005 if (ioctl(s, SIOCDIFPHYADDR, &ifr) < 0) 1006 err(1, "SIOCDIFPHYADDR"); 1007 } 1008 1009 void setvlan(val, d) 1010 const char *val; 1011 int d; 1012 { 1013 struct vlanreq vlr; 1014 1015 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1016 !isdigit(ifr.ifr_name[4])) 1017 errx(EXIT_FAILURE, 1018 "``vlan'' valid only with vlan(4) interfaces"); 1019 1020 vlan_tag = atoi(val); 1021 1022 memset(&vlr, 0, sizeof(vlr)); 1023 ifr.ifr_data = (caddr_t)&vlr; 1024 1025 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1026 err(EXIT_FAILURE, "SIOCGETVLAN"); 1027 1028 vlr.vlr_tag = vlan_tag; 1029 1030 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1031 err(EXIT_FAILURE, "SIOCSETVLAN"); 1032 } 1033 1034 void setvlanif(val, d) 1035 const char *val; 1036 int d; 1037 { 1038 struct vlanreq vlr; 1039 1040 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1041 !isdigit(ifr.ifr_name[4])) 1042 errx(EXIT_FAILURE, 1043 "``vlanif'' valid only with vlan(4) interfaces"); 1044 1045 if (vlan_tag == (u_int)-1) 1046 errx(EXIT_FAILURE, 1047 "must specify both ``vlan'' and ``vlanif''"); 1048 1049 memset(&vlr, 0, sizeof(vlr)); 1050 ifr.ifr_data = (caddr_t)&vlr; 1051 1052 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1053 err(EXIT_FAILURE, "SIOCGETVLAN"); 1054 1055 strlcpy(vlr.vlr_parent, val, sizeof(vlr.vlr_parent)); 1056 vlr.vlr_tag = vlan_tag; 1057 1058 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1059 err(EXIT_FAILURE, "SIOCSETVLAN"); 1060 } 1061 1062 void unsetvlanif(val, d) 1063 const char *val; 1064 int d; 1065 { 1066 struct vlanreq vlr; 1067 1068 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1069 !isdigit(ifr.ifr_name[4])) 1070 errx(EXIT_FAILURE, 1071 "``vlanif'' valid only with vlan(4) interfaces"); 1072 1073 memset(&vlr, 0, sizeof(vlr)); 1074 ifr.ifr_data = (caddr_t)&vlr; 1075 1076 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1077 err(EXIT_FAILURE, "SIOCGETVLAN"); 1078 1079 vlr.vlr_parent[0] = '\0'; 1080 vlr.vlr_tag = 0; 1081 1082 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1) 1083 err(EXIT_FAILURE, "SIOCSETVLAN"); 1084 } 1085 1086 void 1087 setifnetmask(addr, d) 1088 const char *addr; 1089 int d; 1090 { 1091 (*afp->af_getaddr)(addr, MASK); 1092 } 1093 1094 void 1095 setifbroadaddr(addr, d) 1096 const char *addr; 1097 int d; 1098 { 1099 (*afp->af_getaddr)(addr, DSTADDR); 1100 } 1101 1102 void 1103 setifipdst(addr, d) 1104 const char *addr; 1105 int d; 1106 { 1107 in_getaddr(addr, DSTADDR); 1108 setipdst++; 1109 clearaddr = 0; 1110 newaddr = 0; 1111 } 1112 1113 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 1114 /*ARGSUSED*/ 1115 void 1116 notealias(addr, param) 1117 const char *addr; 1118 int param; 1119 { 1120 if (setaddr && doalias == 0 && param < 0) 1121 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 1122 rqtosa(af_addreq)->sa_len); 1123 doalias = param; 1124 if (param < 0) { 1125 clearaddr = 1; 1126 newaddr = 0; 1127 } else 1128 clearaddr = 0; 1129 } 1130 1131 /*ARGSUSED*/ 1132 void 1133 notrailers(vname, value) 1134 const char *vname; 1135 int value; 1136 { 1137 puts("Note: trailers are no longer sent, but always received"); 1138 } 1139 1140 /*ARGSUSED*/ 1141 void 1142 setifdstaddr(addr, param) 1143 const char *addr; 1144 int param; 1145 { 1146 (*afp->af_getaddr)(addr, DSTADDR); 1147 } 1148 1149 void 1150 setifflags(vname, value) 1151 const char *vname; 1152 int value; 1153 { 1154 struct ifreq ifreq; 1155 1156 (void) strncpy(ifreq.ifr_name, name, sizeof(ifreq.ifr_name)); 1157 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifreq) < 0) 1158 err(1, "SIOCGIFFLAGS"); 1159 flags = ifreq.ifr_flags; 1160 1161 if (value < 0) { 1162 value = -value; 1163 flags &= ~value; 1164 } else 1165 flags |= value; 1166 ifreq.ifr_flags = flags; 1167 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifreq) < 0) 1168 err(1, "SIOCSIFFLAGS"); 1169 1170 reset_if_flags = 1; 1171 } 1172 1173 #ifdef INET6 1174 void 1175 setia6flags(vname, value) 1176 const char *vname; 1177 int value; 1178 { 1179 if (value < 0) { 1180 value = -value; 1181 in6_addreq.ifra_flags &= ~value; 1182 } else 1183 in6_addreq.ifra_flags |= value; 1184 } 1185 1186 void 1187 setia6pltime(val, d) 1188 const char *val; 1189 int d; 1190 { 1191 setia6lifetime("pltime", val); 1192 } 1193 1194 void 1195 setia6vltime(val, d) 1196 const char *val; 1197 int d; 1198 { 1199 setia6lifetime("vltime", val); 1200 } 1201 1202 void 1203 setia6lifetime(cmd, val) 1204 const char *cmd; 1205 const char *val; 1206 { 1207 time_t newval, t; 1208 char *ep; 1209 1210 t = time(NULL); 1211 newval = (time_t)strtoul(val, &ep, 0); 1212 if (val == ep) 1213 errx(1, "invalid %s", cmd); 1214 if (afp->af_af != AF_INET6) 1215 errx(1, "%s not allowed for the AF", cmd); 1216 if (strcmp(cmd, "vltime") == 0) { 1217 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 1218 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 1219 } else if (strcmp(cmd, "pltime") == 0) { 1220 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 1221 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 1222 } 1223 } 1224 #endif 1225 1226 void 1227 setifmetric(val, d) 1228 const char *val; 1229 int d; 1230 { 1231 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1232 ifr.ifr_metric = atoi(val); 1233 if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) < 0) 1234 warn("SIOCSIFMETRIC"); 1235 } 1236 1237 void 1238 setifmtu(val, d) 1239 const char *val; 1240 int d; 1241 { 1242 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1243 ifr.ifr_mtu = atoi(val); 1244 if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) < 0) 1245 warn("SIOCSIFMTU"); 1246 } 1247 1248 const char * 1249 get_string(val, sep, buf, lenp) 1250 const char *val, *sep; 1251 u_int8_t *buf; 1252 int *lenp; 1253 { 1254 int len; 1255 int hexstr; 1256 u_int8_t *p; 1257 1258 len = *lenp; 1259 p = buf; 1260 hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x'); 1261 if (hexstr) 1262 val += 2; 1263 for (;;) { 1264 if (*val == '\0') 1265 break; 1266 if (sep != NULL && strchr(sep, *val) != NULL) { 1267 val++; 1268 break; 1269 } 1270 if (hexstr) { 1271 if (!isxdigit((u_char)val[0]) || 1272 !isxdigit((u_char)val[1])) { 1273 warnx("bad hexadecimal digits"); 1274 return NULL; 1275 } 1276 } 1277 if (p > buf + len) { 1278 if (hexstr) 1279 warnx("hexadecimal digits too long"); 1280 else 1281 warnx("strings too long"); 1282 return NULL; 1283 } 1284 if (hexstr) { 1285 #define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10) 1286 *p++ = (tohex((u_char)val[0]) << 4) | 1287 tohex((u_char)val[1]); 1288 #undef tohex 1289 val += 2; 1290 } else 1291 *p++ = *val++; 1292 } 1293 len = p - buf; 1294 if (len < *lenp) 1295 memset(p, 0, *lenp - len); 1296 *lenp = len; 1297 return val; 1298 } 1299 1300 void 1301 print_string(buf, len) 1302 const u_int8_t *buf; 1303 int len; 1304 { 1305 int i; 1306 int hasspc; 1307 1308 i = 0; 1309 hasspc = 0; 1310 if (len < 2 || buf[0] != '0' || tolower(buf[1]) != 'x') { 1311 for (; i < len; i++) { 1312 if (!isprint(buf[i])) 1313 break; 1314 if (isspace(buf[i])) 1315 hasspc++; 1316 } 1317 } 1318 if (i == len) { 1319 if (hasspc || len == 0) 1320 printf("\"%.*s\"", len, buf); 1321 else 1322 printf("%.*s", len, buf); 1323 } else { 1324 printf("0x"); 1325 for (i = 0; i < len; i++) 1326 printf("%02x", buf[i]); 1327 } 1328 } 1329 1330 void 1331 setifnwid(val, d) 1332 const char *val; 1333 int d; 1334 { 1335 struct ieee80211_nwid nwid; 1336 int len; 1337 1338 len = sizeof(nwid.i_nwid); 1339 if (get_string(val, NULL, nwid.i_nwid, &len) == NULL) 1340 return; 1341 nwid.i_len = len; 1342 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1343 ifr.ifr_data = (caddr_t)&nwid; 1344 if (ioctl(s, SIOCS80211NWID, (caddr_t)&ifr) < 0) 1345 warn("SIOCS80211NWID"); 1346 } 1347 1348 void 1349 setifnwkey(val, d) 1350 const char *val; 1351 int d; 1352 { 1353 struct ieee80211_nwkey nwkey; 1354 int i; 1355 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1356 1357 nwkey.i_wepon = 1; 1358 nwkey.i_defkid = 1; 1359 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1360 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1361 nwkey.i_key[i].i_keydat = keybuf[i]; 1362 } 1363 if (d != 0) { 1364 /* disable WEP encryption */ 1365 nwkey.i_wepon = 0; 1366 i = 0; 1367 } else if (isdigit(val[0]) && val[1] == ':') { 1368 /* specifying a full set of four keys */ 1369 nwkey.i_defkid = val[0] - '0'; 1370 val += 2; 1371 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1372 val = get_string(val, ",", keybuf[i], 1373 &nwkey.i_key[i].i_keylen); 1374 if (val == NULL) 1375 return; 1376 } 1377 if (*val != '\0') { 1378 warnx("SIOCS80211NWKEY: too many keys."); 1379 return; 1380 } 1381 } else { 1382 val = get_string(val, NULL, keybuf[0], 1383 &nwkey.i_key[0].i_keylen); 1384 if (val == NULL) 1385 return; 1386 i = 1; 1387 } 1388 for (; i < IEEE80211_WEP_NKID; i++) 1389 nwkey.i_key[i].i_keylen = 0; 1390 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1391 if (ioctl(s, SIOCS80211NWKEY, (caddr_t)&nwkey) < 0) 1392 warn("SIOCS80211NWKEY"); 1393 } 1394 1395 void 1396 ieee80211_status() 1397 { 1398 int i; 1399 struct ieee80211_nwid nwid; 1400 struct ieee80211_nwkey nwkey; 1401 u_int8_t keybuf[IEEE80211_WEP_NKID][16]; 1402 1403 memset(&ifr, 0, sizeof(ifr)); 1404 ifr.ifr_data = (caddr_t)&nwid; 1405 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1406 if (ioctl(s, SIOCG80211NWID, (caddr_t)&ifr) != 0) 1407 return; 1408 if (nwid.i_len > IEEE80211_NWID_LEN) { 1409 warnx("SIOCG80211NWID: wrong length of nwid (%d)", nwid.i_len); 1410 return; 1411 } 1412 printf("\tnwid "); 1413 print_string(nwid.i_nwid, nwid.i_len); 1414 memset(&nwkey, 0, sizeof(nwkey)); 1415 (void)strncpy(nwkey.i_name, name, sizeof(nwkey.i_name)); 1416 /* show nwkey only when WEP is enabled */ 1417 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) != 0 || 1418 nwkey.i_wepon == 0) { 1419 printf("\n"); 1420 return; 1421 } 1422 1423 printf(" nwkey "); 1424 /* try to retrieve WEP keys */ 1425 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1426 nwkey.i_key[i].i_keydat = keybuf[i]; 1427 nwkey.i_key[i].i_keylen = sizeof(keybuf[i]); 1428 } 1429 if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) != 0) { 1430 printf("*****"); 1431 } else { 1432 if (nwkey.i_defkid != 1) { 1433 /* non default key or multiple keys defined */ 1434 i = 0; 1435 } else if (nwkey.i_key[0].i_keylen >= 2 && 1436 isdigit(nwkey.i_key[0].i_keydat[0]) && 1437 nwkey.i_key[0].i_keydat[1] == ':') { 1438 /* ambiguous */ 1439 i = 0; 1440 } else { 1441 for (i = 1; i < IEEE80211_WEP_NKID; i++) { 1442 if (nwkey.i_key[i].i_keylen != 0) 1443 break; 1444 } 1445 } 1446 if (i == IEEE80211_WEP_NKID) { 1447 /* only show the first key */ 1448 print_string(nwkey.i_key[0].i_keydat, 1449 nwkey.i_key[0].i_keylen); 1450 } else { 1451 printf("%d:", nwkey.i_defkid); 1452 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 1453 if (i > 0) 1454 printf(","); 1455 print_string(nwkey.i_key[i].i_keydat, 1456 nwkey.i_key[i].i_keylen); 1457 } 1458 } 1459 } 1460 printf("\n"); 1461 } 1462 1463 void 1464 init_current_media() 1465 { 1466 struct ifmediareq ifmr; 1467 1468 /* 1469 * If we have not yet done so, grab the currently-selected 1470 * media. 1471 */ 1472 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1473 (void) memset(&ifmr, 0, sizeof(ifmr)); 1474 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1475 1476 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1477 /* 1478 * If we get E2BIG, the kernel is telling us 1479 * that there are more, so we can ignore it. 1480 */ 1481 if (errno != E2BIG) 1482 err(1, "SGIOCGIFMEDIA"); 1483 } 1484 1485 media_current = ifmr.ifm_current; 1486 } 1487 1488 /* Sanity. */ 1489 if (IFM_TYPE(media_current) == 0) 1490 errx(1, "%s: no link type?", name); 1491 } 1492 1493 void 1494 process_media_commands() 1495 { 1496 1497 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1498 /* Nothing to do. */ 1499 return; 1500 } 1501 1502 /* 1503 * Media already set up, and commands sanity-checked. Set/clear 1504 * any options, and we're ready to go. 1505 */ 1506 media_current |= mediaopt_set; 1507 media_current &= ~mediaopt_clear; 1508 1509 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1510 ifr.ifr_media = media_current; 1511 1512 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0) 1513 err(1, "SIOCSIFMEDIA"); 1514 } 1515 1516 void 1517 setmedia(val, d) 1518 const char *val; 1519 int d; 1520 { 1521 int type, subtype, inst; 1522 1523 init_current_media(); 1524 1525 /* Only one media command may be given. */ 1526 if (actions & A_MEDIA) 1527 errx(1, "only one `media' command may be issued"); 1528 1529 /* Must not come after mediaopt commands */ 1530 if (actions & A_MEDIAOPT) 1531 errx(1, "may not issue `media' after `mediaopt' commands"); 1532 1533 /* 1534 * No need to check if `instance' has been issued; setmediainst() 1535 * craps out if `media' has not been specified. 1536 */ 1537 1538 type = IFM_TYPE(media_current); 1539 inst = IFM_INST(media_current); 1540 1541 /* Look up the subtype. */ 1542 subtype = get_media_subtype(type, val); 1543 1544 /* Build the new current media word. */ 1545 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1546 1547 /* Media will be set after other processing is complete. */ 1548 } 1549 1550 void 1551 setmediaopt(val, d) 1552 const char *val; 1553 int d; 1554 { 1555 1556 init_current_media(); 1557 1558 /* Can only issue `mediaopt' once. */ 1559 if (actions & A_MEDIAOPTSET) 1560 errx(1, "only one `mediaopt' command may be issued"); 1561 1562 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1563 if (actions & A_MEDIAINST) 1564 errx(1, "may not issue `mediaopt' after `instance'"); 1565 1566 mediaopt_set = get_media_options(IFM_TYPE(media_current), val); 1567 1568 /* Media will be set after other processing is complete. */ 1569 } 1570 1571 void 1572 unsetmediaopt(val, d) 1573 const char *val; 1574 int d; 1575 { 1576 1577 init_current_media(); 1578 1579 /* Can only issue `-mediaopt' once. */ 1580 if (actions & A_MEDIAOPTCLR) 1581 errx(1, "only one `-mediaopt' command may be issued"); 1582 1583 /* May not issue `media' and `-mediaopt'. */ 1584 if (actions & A_MEDIA) 1585 errx(1, "may not issue both `media' and `-mediaopt'"); 1586 1587 /* 1588 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1589 * implicitly checks for A_MEDIAINST. 1590 */ 1591 1592 mediaopt_clear = get_media_options(IFM_TYPE(media_current), val); 1593 1594 /* Media will be set after other processing is complete. */ 1595 } 1596 1597 void 1598 setmediainst(val, d) 1599 const char *val; 1600 int d; 1601 { 1602 int type, subtype, options, inst; 1603 1604 init_current_media(); 1605 1606 /* Can only issue `instance' once. */ 1607 if (actions & A_MEDIAINST) 1608 errx(1, "only one `instance' command may be issued"); 1609 1610 /* Must have already specified `media' */ 1611 if ((actions & A_MEDIA) == 0) 1612 errx(1, "must specify `media' before `instance'"); 1613 1614 type = IFM_TYPE(media_current); 1615 subtype = IFM_SUBTYPE(media_current); 1616 options = IFM_OPTIONS(media_current); 1617 1618 inst = atoi(val); 1619 if (inst < 0 || inst > IFM_INST_MAX) 1620 errx(1, "invalid media instance: %s", val); 1621 1622 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1623 1624 /* Media will be set after other processing is complete. */ 1625 } 1626 1627 struct ifmedia_description ifm_type_descriptions[] = 1628 IFM_TYPE_DESCRIPTIONS; 1629 1630 struct ifmedia_description ifm_subtype_descriptions[] = 1631 IFM_SUBTYPE_DESCRIPTIONS; 1632 1633 struct ifmedia_description ifm_option_descriptions[] = 1634 IFM_OPTION_DESCRIPTIONS; 1635 1636 const char * 1637 get_media_type_string(mword) 1638 int mword; 1639 { 1640 struct ifmedia_description *desc; 1641 1642 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; 1643 desc++) { 1644 if (IFM_TYPE(mword) == desc->ifmt_word) 1645 return (desc->ifmt_string); 1646 } 1647 return ("<unknown type>"); 1648 } 1649 1650 const char * 1651 get_media_subtype_string(mword) 1652 int mword; 1653 { 1654 struct ifmedia_description *desc; 1655 1656 for (desc = ifm_subtype_descriptions; desc->ifmt_string != NULL; 1657 desc++) { 1658 if (IFM_TYPE_MATCH(desc->ifmt_word, mword) && 1659 IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(mword)) 1660 return (desc->ifmt_string); 1661 } 1662 return ("<unknown subtype>"); 1663 } 1664 1665 int 1666 get_media_subtype(type, val) 1667 int type; 1668 const char *val; 1669 { 1670 int rval; 1671 1672 rval = lookup_media_word(ifm_subtype_descriptions, type, val); 1673 if (rval == -1) 1674 errx(1, "unknown %s media subtype: %s", 1675 get_media_type_string(type), val); 1676 1677 return (rval); 1678 } 1679 1680 int 1681 get_media_options(type, val) 1682 int type; 1683 const char *val; 1684 { 1685 char *optlist, *str; 1686 int option, rval = 0; 1687 1688 /* We muck with the string, so copy it. */ 1689 optlist = strdup(val); 1690 if (optlist == NULL) 1691 err(1, "strdup"); 1692 str = optlist; 1693 1694 /* 1695 * Look up the options in the user-provided comma-separated list. 1696 */ 1697 for (; (str = strtok(str, ",")) != NULL; str = NULL) { 1698 option = lookup_media_word(ifm_option_descriptions, type, str); 1699 if (option == -1) 1700 errx(1, "unknown %s media option: %s", 1701 get_media_type_string(type), str); 1702 rval |= IFM_OPTIONS(option); 1703 } 1704 1705 free(optlist); 1706 return (rval); 1707 } 1708 1709 int 1710 lookup_media_word(desc, type, val) 1711 struct ifmedia_description *desc; 1712 int type; 1713 const char *val; 1714 { 1715 1716 for (; desc->ifmt_string != NULL; desc++) { 1717 if (IFM_TYPE_MATCH(desc->ifmt_word, type) && 1718 strcasecmp(desc->ifmt_string, val) == 0) 1719 return (desc->ifmt_word); 1720 } 1721 return (-1); 1722 } 1723 1724 void 1725 print_media_word(ifmw, print_type, as_syntax) 1726 int ifmw, print_type, as_syntax; 1727 { 1728 struct ifmedia_description *desc; 1729 int seen_option = 0; 1730 1731 if (print_type) 1732 printf("%s ", get_media_type_string(ifmw)); 1733 printf("%s%s", as_syntax ? "media " : "", 1734 get_media_subtype_string(ifmw)); 1735 1736 /* Find options. */ 1737 for (desc = ifm_option_descriptions; desc->ifmt_string != NULL; 1738 desc++) { 1739 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && 1740 (ifmw & IFM_OPTIONS(desc->ifmt_word)) != 0 && 1741 (seen_option & IFM_OPTIONS(desc->ifmt_word)) == 0) { 1742 if (seen_option == 0) 1743 printf(" %s", as_syntax ? "mediaopt " : ""); 1744 printf("%s%s", seen_option ? "," : "", 1745 desc->ifmt_string); 1746 seen_option |= IFM_OPTIONS(desc->ifmt_word); 1747 } 1748 } 1749 if (IFM_INST(ifmw) != 0) 1750 printf(" instance %d", IFM_INST(ifmw)); 1751 } 1752 1753 int carrier() 1754 { 1755 struct ifmediareq ifmr; 1756 1757 (void) memset(&ifmr, 0, sizeof(ifmr)); 1758 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1759 1760 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1761 /* 1762 * Interface doesn't support SIOC{G,S}IFMEDIA; 1763 * assume ok. 1764 */ 1765 return 0; 1766 } 1767 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1768 /* 1769 * Interface doesn't report media-valid status. 1770 * assume ok. 1771 */ 1772 return 0; 1773 } 1774 /* otherwise, return ok for active, not-ok if not active. */ 1775 return !(ifmr.ifm_status & IFM_ACTIVE); 1776 } 1777 1778 1779 #define IFFBITS \ 1780 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 1781 \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 1782 1783 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1784 1785 const struct ifmedia_status_description ifm_status_descriptions[] = 1786 IFM_STATUS_DESCRIPTIONS; 1787 1788 /* 1789 * Print the status of the interface. If an address family was 1790 * specified, show it and it only; otherwise, show them all. 1791 */ 1792 void 1793 status(ap, alen) 1794 const u_int8_t *ap; 1795 int alen; 1796 { 1797 struct afswtch *p = afp; 1798 struct ifmediareq ifmr; 1799 int *media_list, i; 1800 1801 printf("%s: ", name); 1802 printb("flags", flags, IFFBITS); 1803 if (metric) 1804 printf(" metric %d", metric); 1805 if (mtu) 1806 printf(" mtu %d", mtu); 1807 putchar('\n'); 1808 1809 ieee80211_status(); 1810 vlan_status(); 1811 tunnel_status(); 1812 1813 if (ap && alen > 0) { 1814 printf("\taddress:"); 1815 for (i = 0; i < alen; i++, ap++) 1816 printf("%c%02x", i > 0 ? ':' : ' ', *ap); 1817 putchar('\n'); 1818 } 1819 1820 (void) memset(&ifmr, 0, sizeof(ifmr)); 1821 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1822 1823 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1824 /* 1825 * Interface doesn't support SIOC{G,S}IFMEDIA. 1826 */ 1827 goto proto_status; 1828 } 1829 1830 if (ifmr.ifm_count == 0) { 1831 warnx("%s: no media types?", name); 1832 goto proto_status; 1833 } 1834 1835 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1836 if (media_list == NULL) 1837 err(1, "malloc"); 1838 ifmr.ifm_ulist = media_list; 1839 1840 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) 1841 err(1, "SIOCGIFMEDIA"); 1842 1843 printf("\tmedia: "); 1844 print_media_word(ifmr.ifm_current, 1, 0); 1845 if (ifmr.ifm_active != ifmr.ifm_current) { 1846 putchar(' '); 1847 putchar('('); 1848 print_media_word(ifmr.ifm_active, 0, 0); 1849 putchar(')'); 1850 } 1851 putchar('\n'); 1852 1853 if (ifmr.ifm_status & IFM_STATUS_VALID) { 1854 const struct ifmedia_status_description *ifms; 1855 int bitno, found = 0; 1856 1857 printf("\tstatus: "); 1858 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 1859 for (ifms = ifm_status_descriptions; 1860 ifms->ifms_valid != 0; ifms++) { 1861 if (ifms->ifms_type != 1862 IFM_TYPE(ifmr.ifm_current) || 1863 ifms->ifms_valid != 1864 ifm_status_valid_list[bitno]) 1865 continue; 1866 printf("%s%s", found ? ", " : "", 1867 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 1868 found = 1; 1869 1870 /* 1871 * For each valid indicator bit, there's 1872 * only one entry for each media type, so 1873 * terminate the inner loop now. 1874 */ 1875 break; 1876 } 1877 } 1878 1879 if (found == 0) 1880 printf("unknown"); 1881 putchar('\n'); 1882 } 1883 1884 if (mflag) { 1885 int type, printed_type; 1886 1887 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 1888 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 1889 if (IFM_TYPE(media_list[i]) == type) { 1890 if (printed_type == 0) { 1891 printf("\tsupported %s media:\n", 1892 get_media_type_string(type)); 1893 printed_type = 1; 1894 } 1895 printf("\t\t"); 1896 print_media_word(media_list[i], 0, 1); 1897 printf("\n"); 1898 } 1899 } 1900 } 1901 } 1902 1903 free(media_list); 1904 1905 proto_status: 1906 if ((p = afp) != NULL) { 1907 (*p->af_status)(1); 1908 } else for (p = afs; p->af_name; p++) { 1909 ifr.ifr_addr.sa_family = p->af_af; 1910 (*p->af_status)(0); 1911 } 1912 } 1913 1914 void 1915 tunnel_status() 1916 { 1917 char psrcaddr[NI_MAXHOST]; 1918 char pdstaddr[NI_MAXHOST]; 1919 u_long srccmd, dstcmd; 1920 struct ifreq *ifrp; 1921 const char *ver = ""; 1922 #ifdef NI_WITHSCOPEID 1923 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 1924 #else 1925 const int niflag = NI_NUMERICHOST; 1926 #endif 1927 #ifdef INET6 1928 struct in6_ifreq in6_ifr; 1929 int s6; 1930 #endif /* INET6 */ 1931 1932 psrcaddr[0] = pdstaddr[0] = '\0'; 1933 1934 #ifdef INET6 1935 memset(&in6_ifr, 0, sizeof(in6_ifr)); 1936 strncpy(in6_ifr.ifr_name, name, IFNAMSIZ); 1937 s6 = socket(AF_INET6, SOCK_DGRAM, 0); 1938 if (s6 < 0) { 1939 srccmd = SIOCGIFPSRCADDR; 1940 dstcmd = SIOCGIFPDSTADDR; 1941 ifrp = 𝔦 1942 } else { 1943 close(s6); 1944 srccmd = SIOCGIFPSRCADDR_IN6; 1945 dstcmd = SIOCGIFPDSTADDR_IN6; 1946 ifrp = (struct ifreq *)&in6_ifr; 1947 } 1948 #else /* INET6 */ 1949 srccmd = SIOCGIFPSRCADDR; 1950 dstcmd = SIOCGIFPDSTADDR; 1951 ifrp = 𝔦 1952 #endif /* INET6 */ 1953 1954 if (ioctl(s, srccmd, (caddr_t)ifrp) < 0) 1955 return; 1956 #ifdef INET6 1957 if (ifrp->ifr_addr.sa_family == AF_INET6) 1958 in6_fillscopeid((struct sockaddr_in6 *)&ifrp->ifr_addr); 1959 #endif 1960 getnameinfo(&ifrp->ifr_addr, ifrp->ifr_addr.sa_len, 1961 psrcaddr, sizeof(psrcaddr), 0, 0, niflag); 1962 #ifdef INET6 1963 if (ifrp->ifr_addr.sa_family == AF_INET6) 1964 ver = "6"; 1965 #endif 1966 1967 if (ioctl(s, dstcmd, (caddr_t)ifrp) < 0) 1968 return; 1969 #ifdef INET6 1970 if (ifrp->ifr_addr.sa_family == AF_INET6) 1971 in6_fillscopeid((struct sockaddr_in6 *)&ifrp->ifr_addr); 1972 #endif 1973 getnameinfo(&ifrp->ifr_addr, ifrp->ifr_addr.sa_len, 1974 pdstaddr, sizeof(pdstaddr), 0, 0, niflag); 1975 1976 printf("\ttunnel inet%s %s --> %s\n", ver, 1977 psrcaddr, pdstaddr); 1978 } 1979 1980 void 1981 vlan_status() 1982 { 1983 struct vlanreq vlr; 1984 1985 if (strncmp(ifr.ifr_name, "vlan", 4) != 0 || 1986 !isdigit(ifr.ifr_name[4])) 1987 return; 1988 1989 memset(&vlr, 0, sizeof(vlr)); 1990 ifr.ifr_data = (caddr_t)&vlr; 1991 1992 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1) 1993 return; 1994 1995 if (vlr.vlr_tag || vlr.vlr_parent[0] != '\0') 1996 printf("\tvlan: %d parent: %s\n", 1997 vlr.vlr_tag, vlr.vlr_parent[0] == '\0' ? 1998 "<none>" : vlr.vlr_parent); 1999 } 2000 2001 void 2002 in_alias(creq) 2003 struct ifreq *creq; 2004 { 2005 struct sockaddr_in *sin; 2006 int alias; 2007 2008 if (lflag) 2009 return; 2010 2011 alias = 1; 2012 2013 /* Get the non-alias address for this interface. */ 2014 getsock(AF_INET); 2015 if (s < 0) { 2016 if (errno == EPROTONOSUPPORT) 2017 return; 2018 err(1, "socket"); 2019 } 2020 (void) memset(&ifr, 0, sizeof(ifr)); 2021 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2022 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 2023 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2024 return; 2025 } else 2026 warn("SIOCGIFADDR"); 2027 } 2028 /* If creq and ifr are the same address, this is not an alias. */ 2029 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 2030 sizeof(creq->ifr_addr)) == 0) 2031 alias = 0; 2032 (void) memset(&addreq, 0, sizeof(addreq)); 2033 (void) strncpy(addreq.ifra_name, name, sizeof(addreq.ifra_name)); 2034 addreq.ifra_addr = creq->ifr_addr; 2035 if (ioctl(s, SIOCGIFALIAS, (caddr_t)&addreq) < 0) { 2036 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2037 return; 2038 } else 2039 warn("SIOCGIFALIAS"); 2040 } 2041 2042 sin = (struct sockaddr_in *)&addreq.ifra_addr; 2043 printf("\tinet %s%s", alias ? "alias " : "", inet_ntoa(sin->sin_addr)); 2044 2045 if (flags & IFF_POINTOPOINT) { 2046 sin = (struct sockaddr_in *)&addreq.ifra_dstaddr; 2047 printf(" -> %s", inet_ntoa(sin->sin_addr)); 2048 } 2049 2050 sin = (struct sockaddr_in *)&addreq.ifra_mask; 2051 printf(" netmask 0x%x", ntohl(sin->sin_addr.s_addr)); 2052 2053 if (flags & IFF_BROADCAST) { 2054 sin = (struct sockaddr_in *)&addreq.ifra_broadaddr; 2055 printf(" broadcast %s", inet_ntoa(sin->sin_addr)); 2056 } 2057 printf("\n"); 2058 } 2059 2060 void 2061 in_status(force) 2062 int force; 2063 { 2064 #ifdef HAVE_IFADDRS_H 2065 struct ifaddrs *ifap, *ifa; 2066 struct ifreq ifr; 2067 2068 if (getifaddrs(&ifap) != 0) 2069 err(1, "getifaddrs"); 2070 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2071 if (strcmp(name, ifa->ifa_name) != 0) 2072 continue; 2073 if (ifa->ifa_addr->sa_family != AF_INET) 2074 continue; 2075 if (sizeof(ifr.ifr_addr) < ifa->ifa_addr->sa_len) 2076 continue; 2077 2078 memset(&ifr, 0, sizeof(ifr)); 2079 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 2080 memcpy(&ifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2081 in_alias(&ifr); 2082 } 2083 freeifaddrs(ifap); 2084 #else 2085 char inbuf[8192]; 2086 struct ifconf ifc; 2087 struct ifreq *ifr; 2088 int i, siz; 2089 char ifrbuf[8192], *cp; 2090 2091 ifc.ifc_len = sizeof(inbuf); 2092 ifc.ifc_buf = inbuf; 2093 getsock(af); 2094 if (s < 0) 2095 err(1, "socket"); 2096 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 2097 err(1, "SIOCGIFCONF"); 2098 for (i = 0; i < ifc.ifc_len; ) { 2099 /* Copy the mininum ifreq into the buffer. */ 2100 cp = ((caddr_t)ifc.ifc_req + i); 2101 memcpy(ifrbuf, cp, sizeof(*ifr)); 2102 2103 /* Now compute the actual size of the ifreq. */ 2104 ifr = (struct ifreq *)ifrbuf; 2105 siz = ifr->ifr_addr.sa_len; 2106 if (siz < sizeof(ifr->ifr_addr)) 2107 siz = sizeof(ifr->ifr_addr); 2108 siz += sizeof(ifr->ifr_name); 2109 i += siz; 2110 2111 /* Now copy the whole thing. */ 2112 if (sizeof(ifrbuf) < siz) 2113 errx(1, "ifr too big"); 2114 memcpy(ifrbuf, cp, siz); 2115 2116 if (!strncmp(name, ifr->ifr_name, sizeof(ifr->ifr_name))) { 2117 if (ifr->ifr_addr.sa_family == AF_INET) 2118 in_alias(ifr); 2119 } 2120 } 2121 #endif 2122 } 2123 2124 void 2125 setifprefixlen(addr, d) 2126 const char *addr; 2127 int d; 2128 { 2129 if (*afp->af_getprefix) 2130 (*afp->af_getprefix)(addr, MASK); 2131 explicit_prefix = 1; 2132 } 2133 2134 #ifdef INET6 2135 void 2136 in6_fillscopeid(sin6) 2137 struct sockaddr_in6 *sin6; 2138 { 2139 #if defined(__KAME__) && defined(KAME_SCOPEID) 2140 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 2141 sin6->sin6_scope_id = 2142 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 2143 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 2144 } 2145 #endif 2146 } 2147 2148 /* XXX not really an alias */ 2149 void 2150 in6_alias(creq) 2151 struct in6_ifreq *creq; 2152 { 2153 struct sockaddr_in6 *sin6; 2154 char hbuf[NI_MAXHOST]; 2155 u_int32_t scopeid; 2156 #ifdef NI_WITHSCOPEID 2157 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 2158 #else 2159 const int niflag = NI_NUMERICHOST; 2160 #endif 2161 2162 /* Get the non-alias address for this interface. */ 2163 getsock(AF_INET6); 2164 if (s < 0) { 2165 if (errno == EPROTONOSUPPORT) 2166 return; 2167 err(1, "socket"); 2168 } 2169 2170 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 2171 2172 in6_fillscopeid(sin6); 2173 scopeid = sin6->sin6_scope_id; 2174 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2175 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2176 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2177 printf("\tinet6 %s", hbuf); 2178 2179 if (flags & IFF_POINTOPOINT) { 2180 (void) memset(&ifr6, 0, sizeof(ifr6)); 2181 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2182 ifr6.ifr_addr = creq->ifr_addr; 2183 if (ioctl(s, SIOCGIFDSTADDR_IN6, (caddr_t)&ifr6) < 0) { 2184 if (errno != EADDRNOTAVAIL) 2185 warn("SIOCGIFDSTADDR_IN6"); 2186 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 2187 ifr6.ifr_addr.sin6_family = AF_INET6; 2188 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 2189 } 2190 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2191 in6_fillscopeid(sin6); 2192 hbuf[0] = '\0'; 2193 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 2194 hbuf, sizeof(hbuf), NULL, 0, niflag)) 2195 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 2196 printf(" -> %s", hbuf); 2197 } 2198 2199 (void) memset(&ifr6, 0, sizeof(ifr6)); 2200 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2201 ifr6.ifr_addr = creq->ifr_addr; 2202 if (ioctl(s, SIOCGIFNETMASK_IN6, (caddr_t)&ifr6) < 0) { 2203 if (errno != EADDRNOTAVAIL) 2204 warn("SIOCGIFNETMASK_IN6"); 2205 } else { 2206 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 2207 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 2208 sizeof(struct in6_addr))); 2209 } 2210 2211 (void) memset(&ifr6, 0, sizeof(ifr6)); 2212 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2213 ifr6.ifr_addr = creq->ifr_addr; 2214 if (ioctl(s, SIOCGIFAFLAG_IN6, (caddr_t)&ifr6) < 0) { 2215 if (errno != EADDRNOTAVAIL) 2216 warn("SIOCGIFAFLAG_IN6"); 2217 } else { 2218 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 2219 printf(" anycast"); 2220 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 2221 printf(" tentative"); 2222 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 2223 printf(" duplicated"); 2224 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 2225 printf(" detached"); 2226 } 2227 2228 if (scopeid) 2229 printf(" scopeid 0x%x", scopeid); 2230 2231 if (Lflag) { 2232 struct in6_addrlifetime *lifetime; 2233 (void) memset(&ifr6, 0, sizeof(ifr6)); 2234 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 2235 ifr6.ifr_addr = creq->ifr_addr; 2236 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 2237 if (ioctl(s, SIOCGIFALIFETIME_IN6, (caddr_t)&ifr6) < 0) { 2238 if (errno != EADDRNOTAVAIL) 2239 warn("SIOCGIFALIFETIME_IN6"); 2240 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 2241 time_t t = time(NULL); 2242 printf(" pltime "); 2243 if (lifetime->ia6t_preferred) { 2244 printf("%s", lifetime->ia6t_preferred < t 2245 ? "0" 2246 : sec2str(lifetime->ia6t_preferred - t)); 2247 } else 2248 printf("infty"); 2249 2250 printf(" vltime "); 2251 if (lifetime->ia6t_expire) { 2252 printf("%s", lifetime->ia6t_expire < t 2253 ? "0" 2254 : sec2str(lifetime->ia6t_expire - t)); 2255 } else 2256 printf("infty"); 2257 } 2258 } 2259 2260 printf("\n"); 2261 } 2262 2263 void 2264 in6_status(force) 2265 int force; 2266 { 2267 #ifdef HAVE_IFADDRS_H 2268 struct ifaddrs *ifap, *ifa; 2269 struct in6_ifreq ifr; 2270 2271 if (getifaddrs(&ifap) != 0) 2272 err(1, "getifaddrs"); 2273 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 2274 if (strcmp(name, ifa->ifa_name) != 0) 2275 continue; 2276 if (ifa->ifa_addr->sa_family != AF_INET6) 2277 continue; 2278 if (sizeof(ifr.ifr_addr) < ifa->ifa_addr->sa_len) 2279 continue; 2280 2281 memset(&ifr, 0, sizeof(ifr)); 2282 strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); 2283 memcpy(&ifr.ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len); 2284 in6_alias(&ifr); 2285 } 2286 freeifaddrs(ifap); 2287 #else 2288 char inbuf[8192]; 2289 struct ifconf ifc; 2290 struct ifreq *ifr; 2291 int i, siz; 2292 char ifrbuf[8192], *cp; 2293 2294 ifc.ifc_len = sizeof(inbuf); 2295 ifc.ifc_buf = inbuf; 2296 getsock(af); 2297 if (s < 0) 2298 err(1, "socket"); 2299 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 2300 err(1, "SIOCGIFCONF"); 2301 for (i = 0; i < ifc.ifc_len; ) { 2302 /* Copy the mininum ifreq into the buffer. */ 2303 cp = ((caddr_t)ifc.ifc_req + i); 2304 memcpy(ifrbuf, cp, sizeof(*ifr)); 2305 2306 /* Now compute the actual size of the ifreq. */ 2307 ifr = (struct ifreq *)ifrbuf; 2308 siz = ifr->ifr_addr.sa_len; 2309 if (siz < sizeof(ifr->ifr_addr)) 2310 siz = sizeof(ifr->ifr_addr); 2311 siz += sizeof(ifr->ifr_name); 2312 i += siz; 2313 2314 /* Now copy the whole thing. */ 2315 if (sizeof(ifrbuf) < siz) 2316 errx(1, "ifr too big"); 2317 memcpy(ifrbuf, cp, siz); 2318 2319 if (!strncmp(name, ifr->ifr_name, sizeof(ifr->ifr_name))) { 2320 if (ifr->ifr_addr.sa_family == AF_INET6) 2321 in6_alias((struct in6_ifreq *)ifr); 2322 } 2323 } 2324 #endif 2325 } 2326 #endif /*INET6*/ 2327 2328 #ifndef INET_ONLY 2329 2330 void 2331 at_status(force) 2332 int force; 2333 { 2334 struct sockaddr_at *sat, null_sat; 2335 struct netrange *nr; 2336 2337 getsock(AF_APPLETALK); 2338 if (s < 0) { 2339 if (errno == EPROTONOSUPPORT) 2340 return; 2341 err(1, "socket"); 2342 } 2343 (void) memset(&ifr, 0, sizeof(ifr)); 2344 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2345 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 2346 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2347 if (!force) 2348 return; 2349 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2350 } else 2351 warn("SIOCGIFADDR"); 2352 } 2353 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2354 sat = (struct sockaddr_at *)&ifr.ifr_addr; 2355 2356 (void) memset(&null_sat, 0, sizeof(null_sat)); 2357 2358 nr = (struct netrange *) &sat->sat_zero; 2359 printf("\tatalk %d.%d range %d-%d phase %d", 2360 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2361 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 2362 if (flags & IFF_POINTOPOINT) { 2363 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 2364 if (errno == EADDRNOTAVAIL) 2365 (void) memset(&ifr.ifr_addr, 0, 2366 sizeof(ifr.ifr_addr)); 2367 else 2368 warn("SIOCGIFDSTADDR"); 2369 } 2370 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2371 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 2372 if (!sat) 2373 sat = &null_sat; 2374 printf("--> %d.%d", 2375 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 2376 } 2377 if (flags & IFF_BROADCAST) { 2378 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 2379 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 2380 if (sat) 2381 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 2382 sat->sat_addr.s_node); 2383 } 2384 putchar('\n'); 2385 } 2386 2387 void 2388 xns_status(force) 2389 int force; 2390 { 2391 struct sockaddr_ns *sns; 2392 2393 getsock(AF_NS); 2394 if (s < 0) { 2395 if (errno == EPROTONOSUPPORT) 2396 return; 2397 err(1, "socket"); 2398 } 2399 (void) memset(&ifr, 0, sizeof(ifr)); 2400 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2401 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 2402 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2403 if (!force) 2404 return; 2405 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2406 } else 2407 warn("SIOCGIFADDR"); 2408 } 2409 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2410 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 2411 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 2412 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 2413 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 2414 if (errno == EADDRNOTAVAIL) 2415 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 2416 else 2417 warn("SIOCGIFDSTADDR"); 2418 } 2419 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2420 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 2421 printf("--> %s ", ns_ntoa(sns->sns_addr)); 2422 } 2423 putchar('\n'); 2424 } 2425 2426 void 2427 iso_status(force) 2428 int force; 2429 { 2430 struct sockaddr_iso *siso; 2431 struct iso_ifreq ifr; 2432 2433 getsock(AF_ISO); 2434 if (s < 0) { 2435 if (errno == EPROTONOSUPPORT) 2436 return; 2437 err(1, "socket"); 2438 } 2439 (void) memset(&ifr, 0, sizeof(ifr)); 2440 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 2441 if (ioctl(s, SIOCGIFADDR_ISO, (caddr_t)&ifr) < 0) { 2442 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 2443 if (!force) 2444 return; 2445 (void) memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2446 } else 2447 warn("SIOCGIFADDR_ISO"); 2448 } 2449 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 2450 siso = &ifr.ifr_Addr; 2451 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 2452 if (ioctl(s, SIOCGIFNETMASK_ISO, (caddr_t)&ifr) < 0) { 2453 if (errno == EADDRNOTAVAIL) 2454 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2455 else 2456 warn("SIOCGIFNETMASK_ISO"); 2457 } else { 2458 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 2459 siso->siso_addr.isoa_len = siso->siso_len 2460 - offsetof(struct sockaddr_iso, siso_addr); 2461 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 2462 } 2463 if (flags & IFF_POINTOPOINT) { 2464 if (ioctl(s, SIOCGIFDSTADDR_ISO, (caddr_t)&ifr) < 0) { 2465 if (errno == EADDRNOTAVAIL) 2466 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 2467 else 2468 warn("SIOCGIFDSTADDR_ISO"); 2469 } 2470 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 2471 siso = &ifr.ifr_Addr; 2472 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 2473 } 2474 putchar('\n'); 2475 } 2476 2477 #endif /* INET_ONLY */ 2478 2479 #define SIN(x) ((struct sockaddr_in *) &(x)) 2480 struct sockaddr_in *sintab[] = { 2481 SIN(ridreq.ifr_addr), SIN(addreq.ifra_addr), 2482 SIN(addreq.ifra_mask), SIN(addreq.ifra_broadaddr)}; 2483 2484 void 2485 in_getaddr(s, which) 2486 const char *s; 2487 int which; 2488 { 2489 struct sockaddr_in *sin = sintab[which]; 2490 struct hostent *hp; 2491 struct netent *np; 2492 2493 sin->sin_len = sizeof(*sin); 2494 if (which != MASK) 2495 sin->sin_family = AF_INET; 2496 2497 if (which == ADDR) { 2498 char *p = NULL; 2499 2500 if((p = strrchr(s, '/')) != NULL) { 2501 /* address is `name/masklen' */ 2502 int masklen; 2503 int ret; 2504 struct sockaddr_in *min = sintab[MASK]; 2505 *p = '\0'; 2506 ret = sscanf(p+1, "%u", &masklen); 2507 if(ret != 1 || (masklen < 0 || masklen > 32)) { 2508 *p = '/'; 2509 errx(1, "%s: bad value", s); 2510 } 2511 min->sin_len = sizeof(*min); 2512 min->sin_addr.s_addr = 2513 htonl(~((1LL << (32 - masklen)) - 1) & 2514 0xffffffff); 2515 } 2516 } 2517 2518 if (inet_aton(s, &sin->sin_addr) == 0) { 2519 if ((hp = gethostbyname(s)) != NULL) 2520 (void) memcpy(&sin->sin_addr, hp->h_addr, hp->h_length); 2521 else if ((np = getnetbyname(s)) != NULL) 2522 sin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 2523 else 2524 errx(1, "%s: bad value", s); 2525 } 2526 } 2527 2528 /* 2529 * Print a value a la the %b format of the kernel's printf 2530 */ 2531 void 2532 printb(s, v, bits) 2533 const char *s; 2534 unsigned short v; 2535 const char *bits; 2536 { 2537 int i, any = 0; 2538 char c; 2539 2540 if (bits && *bits == 8) 2541 printf("%s=%o", s, v); 2542 else 2543 printf("%s=%x", s, v); 2544 bits++; 2545 if (bits) { 2546 putchar('<'); 2547 while ((i = *bits++) != 0) { 2548 if (v & (1 << (i-1))) { 2549 if (any) 2550 putchar(','); 2551 any = 1; 2552 for (; (c = *bits) > 32; bits++) 2553 putchar(c); 2554 } else 2555 for (; *bits > 32; bits++) 2556 ; 2557 } 2558 putchar('>'); 2559 } 2560 } 2561 2562 #ifdef INET6 2563 #define SIN6(x) ((struct sockaddr_in6 *) &(x)) 2564 struct sockaddr_in6 *sin6tab[] = { 2565 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 2566 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 2567 2568 void 2569 in6_getaddr(s, which) 2570 const char *s; 2571 int which; 2572 { 2573 #if defined(__KAME__) && defined(KAME_SCOPEID) 2574 struct sockaddr_in6 *sin6 = sin6tab[which]; 2575 struct addrinfo hints, *res; 2576 int error; 2577 2578 memset(&hints, 0, sizeof(hints)); 2579 hints.ai_family = AF_INET6; 2580 hints.ai_socktype = SOCK_DGRAM; 2581 #if 0 /* in_getaddr() allows FQDN */ 2582 hints.ai_flags = AI_NUMERICHOST; 2583 #endif 2584 error = getaddrinfo(s, "0", &hints, &res); 2585 if (error) 2586 errx(1, "%s: %s", s, gai_strerror(error)); 2587 if (res->ai_next) 2588 errx(1, "%s: resolved to multiple hosts", s); 2589 if (res->ai_addrlen != sizeof(struct sockaddr_in6)) 2590 errx(1, "%s: bad value", s); 2591 memcpy(sin6, res->ai_addr, res->ai_addrlen); 2592 freeaddrinfo(res); 2593 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) { 2594 *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = 2595 htons(sin6->sin6_scope_id); 2596 sin6->sin6_scope_id = 0; 2597 } 2598 #else 2599 struct sockaddr_in6 *sin = sin6tab[which]; 2600 2601 sin->sin6_len = sizeof(*sin); 2602 if (which != MASK) 2603 sin->sin6_family = AF_INET6; 2604 2605 if (which == ADDR) { 2606 char *p = NULL; 2607 if((p = strrchr(s, '/')) != NULL) { 2608 *p = '\0'; 2609 in6_getprefix(p + 1, MASK); 2610 explicit_prefix = 1; 2611 } 2612 } 2613 2614 if (inet_pton(AF_INET6, s, &sin->sin6_addr) != 1) 2615 errx(1, "%s: bad value", s); 2616 #endif 2617 } 2618 2619 void 2620 in6_getprefix(plen, which) 2621 const char *plen; 2622 int which; 2623 { 2624 register struct sockaddr_in6 *sin = sin6tab[which]; 2625 register u_char *cp; 2626 int len = strtol(plen, (char **)NULL, 10); 2627 2628 if ((len < 0) || (len > 128)) 2629 errx(1, "%s: bad value", plen); 2630 sin->sin6_len = sizeof(*sin); 2631 if (which != MASK) 2632 sin->sin6_family = AF_INET6; 2633 if ((len == 0) || (len == 128)) { 2634 memset(&sin->sin6_addr, 0xff, sizeof(struct in6_addr)); 2635 return; 2636 } 2637 memset((void *)&sin->sin6_addr, 0x00, sizeof(sin->sin6_addr)); 2638 for (cp = (u_char *)&sin->sin6_addr; len > 7; len -= 8) 2639 *cp++ = 0xff; 2640 *cp = 0xff << (8 - len); 2641 } 2642 2643 int 2644 prefix(val, size) 2645 void *val; 2646 int size; 2647 { 2648 register u_char *name = (u_char *)val; 2649 register int byte, bit, plen = 0; 2650 2651 for (byte = 0; byte < size; byte++, plen += 8) 2652 if (name[byte] != 0xff) 2653 break; 2654 if (byte == size) 2655 return (plen); 2656 for (bit = 7; bit != 0; bit--, plen++) 2657 if (!(name[byte] & (1 << bit))) 2658 break; 2659 for (; bit != 0; bit--) 2660 if (name[byte] & (1 << bit)) 2661 return(0); 2662 byte++; 2663 for (; byte < size; byte++) 2664 if (name[byte]) 2665 return(0); 2666 return (plen); 2667 } 2668 #endif /*INET6*/ 2669 2670 #ifndef INET_ONLY 2671 void 2672 at_getaddr(addr, which) 2673 const char *addr; 2674 int which; 2675 { 2676 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 2677 u_int net, node; 2678 2679 sat->sat_family = AF_APPLETALK; 2680 sat->sat_len = sizeof(*sat); 2681 if (which == MASK) 2682 errx(1, "AppleTalk does not use netmasks\n"); 2683 if (sscanf(addr, "%u.%u", &net, &node) != 2 2684 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 2685 errx(1, "%s: illegal address", addr); 2686 sat->sat_addr.s_net = htons(net); 2687 sat->sat_addr.s_node = node; 2688 } 2689 2690 void 2691 setatrange(range, d) 2692 const char *range; 2693 int d; 2694 { 2695 u_short first = 123, last = 123; 2696 2697 if (sscanf(range, "%hu-%hu", &first, &last) != 2 2698 || first == 0 || first > 0xffff 2699 || last == 0 || last > 0xffff || first > last) 2700 errx(1, "%s: illegal net range: %u-%u", range, first, last); 2701 at_nr.nr_firstnet = htons(first); 2702 at_nr.nr_lastnet = htons(last); 2703 } 2704 2705 void 2706 setatphase(phase, d) 2707 const char *phase; 2708 int d; 2709 { 2710 if (!strcmp(phase, "1")) 2711 at_nr.nr_phase = 1; 2712 else if (!strcmp(phase, "2")) 2713 at_nr.nr_phase = 2; 2714 else 2715 errx(1, "%s: illegal phase", phase); 2716 } 2717 2718 void 2719 checkatrange(sat) 2720 struct sockaddr_at *sat; 2721 { 2722 if (at_nr.nr_phase == 0) 2723 at_nr.nr_phase = 2; /* Default phase 2 */ 2724 if (at_nr.nr_firstnet == 0) 2725 at_nr.nr_firstnet = /* Default range of one */ 2726 at_nr.nr_lastnet = sat->sat_addr.s_net; 2727 printf("\tatalk %d.%d range %d-%d phase %d\n", 2728 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2729 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 2730 if ((u_short) ntohs(at_nr.nr_firstnet) > 2731 (u_short) ntohs(sat->sat_addr.s_net) 2732 || (u_short) ntohs(at_nr.nr_lastnet) < 2733 (u_short) ntohs(sat->sat_addr.s_net)) 2734 errx(1, "AppleTalk address is not in range"); 2735 *((struct netrange *) &sat->sat_zero) = at_nr; 2736 } 2737 2738 #define SNS(x) ((struct sockaddr_ns *) &(x)) 2739 struct sockaddr_ns *snstab[] = { 2740 SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 2741 SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 2742 2743 void 2744 xns_getaddr(addr, which) 2745 const char *addr; 2746 int which; 2747 { 2748 struct sockaddr_ns *sns = snstab[which]; 2749 2750 sns->sns_family = AF_NS; 2751 sns->sns_len = sizeof(*sns); 2752 sns->sns_addr = ns_addr(addr); 2753 if (which == MASK) 2754 puts("Attempt to set XNS netmask will be ineffectual"); 2755 } 2756 2757 #define SISO(x) ((struct sockaddr_iso *) &(x)) 2758 struct sockaddr_iso *sisotab[] = { 2759 SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 2760 SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 2761 2762 void 2763 iso_getaddr(addr, which) 2764 const char *addr; 2765 int which; 2766 { 2767 struct sockaddr_iso *siso = sisotab[which]; 2768 siso->siso_addr = *iso_addr(addr); 2769 2770 if (which == MASK) { 2771 siso->siso_len = TSEL(siso) - (caddr_t)(siso); 2772 siso->siso_nlen = 0; 2773 } else { 2774 siso->siso_len = sizeof(*siso); 2775 siso->siso_family = AF_ISO; 2776 } 2777 } 2778 2779 void 2780 setsnpaoffset(val, d) 2781 const char *val; 2782 int d; 2783 { 2784 iso_addreq.ifra_snpaoffset = atoi(val); 2785 } 2786 2787 void 2788 setnsellength(val, d) 2789 const char *val; 2790 int d; 2791 { 2792 nsellength = atoi(val); 2793 if (nsellength < 0) 2794 errx(1, "Negative NSEL length is absurd"); 2795 if (afp == 0 || afp->af_af != AF_ISO) 2796 errx(1, "Setting NSEL length valid only for iso"); 2797 } 2798 2799 void 2800 fixnsel(s) 2801 struct sockaddr_iso *s; 2802 { 2803 if (s->siso_family == 0) 2804 return; 2805 s->siso_tlen = nsellength; 2806 } 2807 2808 void 2809 adjust_nsellength() 2810 { 2811 fixnsel(sisotab[RIDADDR]); 2812 fixnsel(sisotab[ADDR]); 2813 fixnsel(sisotab[DSTADDR]); 2814 } 2815 2816 #endif /* INET_ONLY */ 2817 2818 void 2819 usage() 2820 { 2821 extern const char *__progname; 2822 2823 fprintf(stderr, 2824 "usage: %s [ -m ] " 2825 #ifdef INET6 2826 "[ -L ] " 2827 #endif 2828 "interface\n" 2829 "\t[ af [ address [ dest_addr ] ] [ up ] [ down ] " 2830 "[ netmask mask ] ]\n" 2831 "\t[ metric n ]\n" 2832 "\t[ mtu n ]\n" 2833 "\t[ nwid network_id ]\n" 2834 "\t[ nwkey network_key | -nwkey ]\n" 2835 "\t[ [ af ] tunnel src_addr dest_addr ]\n" 2836 "\t[ deletetunnel ]\n" 2837 "\t[ arp | -arp ]\n" 2838 "\t[ media mtype ]\n" 2839 "\t[ mediaopt mopts ]\n" 2840 "\t[ -mediaopt mopts ]\n" 2841 "\t[ instance minst ]\n" 2842 "\t[ vlan n vlanif i ]\n" 2843 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n" 2844 " %s -a [ -m ] [ -d ] [ -u ] [ af ]\n" 2845 " %s -l [ -d ] [ -u ]\n" 2846 " %s interface create\n" 2847 " %s interface destroy\n", 2848 __progname, __progname, __progname, __progname, __progname); 2849 exit(1); 2850 } 2851 2852 #ifdef INET6 2853 char * 2854 sec2str(total) 2855 time_t total; 2856 { 2857 static char result[256]; 2858 int days, hours, mins, secs; 2859 int first = 1; 2860 char *p = result; 2861 2862 if (0) { /*XXX*/ 2863 days = total / 3600 / 24; 2864 hours = (total / 3600) % 24; 2865 mins = (total / 60) % 60; 2866 secs = total % 60; 2867 2868 if (days) { 2869 first = 0; 2870 p += sprintf(p, "%dd", days); 2871 } 2872 if (!first || hours) { 2873 first = 0; 2874 p += sprintf(p, "%dh", hours); 2875 } 2876 if (!first || mins) { 2877 first = 0; 2878 p += sprintf(p, "%dm", mins); 2879 } 2880 sprintf(p, "%ds", secs); 2881 } else 2882 sprintf(p, "%lu", (u_long)total); 2883 2884 return(result); 2885 } 2886 #endif 2887
Indexes created Sun Oct 26 20:09:54 GMT 2025