ifconfig.c revision 1.76
1 /* $NetBSD: ifconfig.c,v 1.76 2000/04/03 03:54:42 enami 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 1.76 2000/04/03 03:54:42 enami 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> 123 124 struct ifreq ifr, flagreq, ridreq; 125 struct ifaliasreq addreq __attribute__((aligned(4))); 126 #ifdef INET6 127 struct in6_ifreq ifr6; 128 struct in6_ifreq in6_ridreq; 129 struct in6_aliasreq in6_addreq __attribute__((aligned(4))); 130 #endif 131 struct iso_ifreq iso_ridreq; 132 struct iso_aliasreq iso_addreq; 133 struct sockaddr_in netmask; 134 struct netrange at_nr; /* AppleTalk net range */ 135 136 char name[30]; 137 int flags, metric, mtu, setaddr, setipdst, doalias; 138 int clearaddr, s; 139 int newaddr = -1; 140 int nsellength = 1; 141 int af; 142 int Aflag, aflag, bflag, dflag, lflag, mflag, sflag, uflag; 143 #ifdef INET6 144 int Lflag; 145 #endif 146 int reset_if_flags; 147 int explicit_prefix = 0; 148 149 void notealias __P((char *, int)); 150 void notrailers __P((char *, int)); 151 void setifaddr __P((char *, int)); 152 void setifdstaddr __P((char *, int)); 153 void setifflags __P((char *, int)); 154 void setifbroadaddr __P((char *, int)); 155 void setifipdst __P((char *, int)); 156 void setifmetric __P((char *, int)); 157 void setifmtu __P((char *, int)); 158 void setifnwid __P((char *, int)); 159 void setifnetmask __P((char *, int)); 160 void setifprefixlen __P((char *, int)); 161 void setnsellength __P((char *, int)); 162 void setsnpaoffset __P((char *, int)); 163 void setatrange __P((char *, int)); 164 void setatphase __P((char *, int)); 165 #ifdef INET6 166 void setia6flags __P((char *, int)); 167 void setia6pltime __P((char *, int)); 168 void setia6vltime __P((char *, int)); 169 void setia6lifetime __P((char *, char *)); 170 #endif 171 void checkatrange __P ((struct sockaddr_at *)); 172 void setmedia __P((char *, int)); 173 void setmediaopt __P((char *, int)); 174 void unsetmediaopt __P((char *, int)); 175 void setmediainst __P((char *, int)); 176 void fixnsel __P((struct sockaddr_iso *)); 177 int main __P((int, char *[])); 178 179 /* 180 * Media stuff. Whenever a media command is first performed, the 181 * currently select media is grabbed for this interface. If `media' 182 * is given, the current media word is modifed. `mediaopt' commands 183 * only modify the set and clear words. They then operate on the 184 * current media word later. 185 */ 186 int media_current; 187 int mediaopt_set; 188 int mediaopt_clear; 189 190 int actions; /* Actions performed */ 191 192 #define A_MEDIA 0x0001 /* media command */ 193 #define A_MEDIAOPTSET 0x0002 /* mediaopt command */ 194 #define A_MEDIAOPTCLR 0x0004 /* -mediaopt command */ 195 #define A_MEDIAOPT (A_MEDIAOPTSET|A_MEDIAOPTCLR) 196 #define A_MEDIAINST 0x0008 /* instance or inst command */ 197 198 #define NEXTARG 0xffffff 199 200 struct cmd { 201 char *c_name; 202 int c_parameter; /* NEXTARG means next argv */ 203 int c_action; /* defered action */ 204 void (*c_func) __P((char *, int)); 205 } cmds[] = { 206 { "up", IFF_UP, 0, setifflags } , 207 { "down", -IFF_UP, 0, setifflags }, 208 { "trailers", -1, 0, notrailers }, 209 { "-trailers", 1, 0, notrailers }, 210 { "arp", -IFF_NOARP, 0, setifflags }, 211 { "-arp", IFF_NOARP, 0, setifflags }, 212 { "debug", IFF_DEBUG, 0, setifflags }, 213 { "-debug", -IFF_DEBUG, 0, setifflags }, 214 { "alias", IFF_UP, 0, notealias }, 215 { "-alias", -IFF_UP, 0, notealias }, 216 { "delete", -IFF_UP, 0, notealias }, 217 #ifdef notdef 218 #define EN_SWABIPS 0x1000 219 { "swabips", EN_SWABIPS, 0, setifflags }, 220 { "-swabips", -EN_SWABIPS, 0, setifflags }, 221 #endif 222 { "netmask", NEXTARG, 0, setifnetmask }, 223 { "metric", NEXTARG, 0, setifmetric }, 224 { "mtu", NEXTARG, 0, setifmtu }, 225 { "nwid", NEXTARG, 0, setifnwid }, 226 { "broadcast", NEXTARG, 0, setifbroadaddr }, 227 { "ipdst", NEXTARG, 0, setifipdst }, 228 { "prefixlen", NEXTARG, 0, setifprefixlen}, 229 #ifdef INET6 230 { "anycast", IN6_IFF_ANYCAST, 0, setia6flags }, 231 { "-anycast", -IN6_IFF_ANYCAST, 0, setia6flags }, 232 { "tentative", IN6_IFF_TENTATIVE, 0, setia6flags }, 233 { "-tentative", -IN6_IFF_TENTATIVE, 0, setia6flags }, 234 { "pltime", NEXTARG, 0, setia6pltime }, 235 { "vltime", NEXTARG, 0, setia6vltime }, 236 #endif /*INET6*/ 237 #ifndef INET_ONLY 238 { "range", NEXTARG, 0, setatrange }, 239 { "phase", NEXTARG, 0, setatphase }, 240 { "snpaoffset", NEXTARG, 0, setsnpaoffset }, 241 { "nsellength", NEXTARG, 0, setnsellength }, 242 #endif /* INET_ONLY */ 243 { "link0", IFF_LINK0, 0, setifflags } , 244 { "-link0", -IFF_LINK0, 0, setifflags } , 245 { "link1", IFF_LINK1, 0, setifflags } , 246 { "-link1", -IFF_LINK1, 0, setifflags } , 247 { "link2", IFF_LINK2, 0, setifflags } , 248 { "-link2", -IFF_LINK2, 0, setifflags } , 249 { "media", NEXTARG, A_MEDIA, setmedia }, 250 { "mediaopt", NEXTARG, A_MEDIAOPTSET, setmediaopt }, 251 { "-mediaopt", NEXTARG, A_MEDIAOPTCLR, unsetmediaopt }, 252 { "instance", NEXTARG, A_MEDIAINST, setmediainst }, 253 { "inst", NEXTARG, A_MEDIAINST, setmediainst }, 254 { 0, 0, 0, setifaddr }, 255 { 0, 0, 0, setifdstaddr }, 256 }; 257 258 void adjust_nsellength __P((void)); 259 int getinfo __P((struct ifreq *)); 260 int carrier __P((void)); 261 void getsock __P((int)); 262 void printall __P((void)); 263 void printalias __P((const char *, int)); 264 void printb __P((char *, unsigned short, char *)); 265 int prefix __P((void *, int)); 266 void status __P((const u_int8_t *, int)); 267 void usage __P((void)); 268 char *sec2str __P((time_t)); 269 270 const char *get_media_type_string __P((int)); 271 const char *get_media_subtype_string __P((int)); 272 int get_media_subtype __P((int, const char *)); 273 int get_media_options __P((int, const char *)); 274 int lookup_media_word __P((struct ifmedia_description *, int, 275 const char *)); 276 void print_media_word __P((int, int, int)); 277 void process_media_commands __P((void)); 278 void init_current_media __P((void)); 279 280 /* 281 * XNS support liberally adapted from code written at the University of 282 * Maryland principally by James O'Toole and Chris Torek. 283 */ 284 void in_alias __P((struct ifreq *)); 285 void in_status __P((int)); 286 void in_getaddr __P((char *, int)); 287 #ifdef INET6 288 void in6_fillscopeid __P((struct sockaddr_in6 *sin6)); 289 void in6_alias __P((struct in6_ifreq *)); 290 void in6_status __P((int)); 291 void in6_getaddr __P((char *, int)); 292 void in6_getprefix __P((char *, int)); 293 #endif 294 void at_status __P((int)); 295 void at_getaddr __P((char *, int)); 296 void xns_status __P((int)); 297 void xns_getaddr __P((char *, int)); 298 void iso_status __P((int)); 299 void iso_getaddr __P((char *, int)); 300 void ieee80211_status __P((void)); 301 302 /* Known address families */ 303 struct afswtch { 304 char *af_name; 305 short af_af; 306 void (*af_status) __P((int)); 307 void (*af_getaddr) __P((char *, int)); 308 void (*af_getprefix) __P((char *, int)); 309 u_long af_difaddr; 310 u_long af_aifaddr; 311 u_long af_gifaddr; 312 caddr_t af_ridreq; 313 caddr_t af_addreq; 314 } afs[] = { 315 #define C(x) ((caddr_t) &x) 316 { "inet", AF_INET, in_status, in_getaddr, NULL, 317 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(addreq) }, 318 #ifdef INET6 319 { "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix, 320 SIOCDIFADDR_IN6, SIOCAIFADDR_IN6, 321 /* 322 * Deleting the first address before setting new one is 323 * not prefered way in this protocol. 324 */ 325 0, 326 C(in6_ridreq), C(in6_addreq) }, 327 #endif 328 #ifndef INET_ONLY /* small version, for boot media */ 329 { "atalk", AF_APPLETALK, at_status, at_getaddr, NULL, 330 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(addreq), C(addreq) }, 331 { "ns", AF_NS, xns_status, xns_getaddr, NULL, 332 SIOCDIFADDR, SIOCAIFADDR, SIOCGIFADDR, C(ridreq), C(addreq) }, 333 { "iso", AF_ISO, iso_status, iso_getaddr, NULL, 334 SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, SIOCGIFADDR_ISO, 335 C(iso_ridreq), C(iso_addreq) }, 336 #endif /* INET_ONLY */ 337 { 0, 0, 0, 0 } 338 }; 339 340 struct afswtch *afp; /*the address family being set or asked about*/ 341 342 struct afswtch *lookup_af __P((const char *)); 343 344 int 345 main(argc, argv) 346 int argc; 347 char *argv[]; 348 { 349 int ch; 350 351 /* Parse command-line options */ 352 aflag = mflag = 0; 353 while ((ch = getopt(argc, argv, "Aabdlmsu" 354 #ifdef INET6 355 "L" 356 #endif 357 )) != -1) { 358 switch (ch) { 359 case 'A': 360 Aflag = 1; 361 break; 362 363 case 'a': 364 aflag = 1; 365 break; 366 367 case 'b': 368 bflag = 1; 369 break; 370 371 case 'd': 372 dflag = 1; 373 break; 374 375 #ifdef INET6 376 case 'L': 377 Lflag = 1; 378 break; 379 #endif 380 381 case 'l': 382 lflag = 1; 383 break; 384 385 case 'm': 386 mflag = 1; 387 break; 388 389 case 's': 390 sflag = 1; 391 break; 392 393 case 'u': 394 uflag = 1; 395 break; 396 397 398 default: 399 usage(); 400 /* NOTREACHED */ 401 } 402 } 403 argc -= optind; 404 argv += optind; 405 406 /* 407 * -l means "list all interfaces", and is mutally exclusive with 408 * all other flags/commands. 409 * 410 * -a means "print status of all interfaces". 411 */ 412 if (lflag && (aflag || mflag || Aflag || argc)) 413 usage(); 414 #ifdef INET6 415 if (lflag && Lflag) 416 usage(); 417 #endif 418 if (aflag || lflag) { 419 if (argc > 1) 420 usage(); 421 else if (argc == 1) { 422 afp = lookup_af(argv[0]); 423 if (afp == NULL) 424 usage(); 425 } 426 if (afp) 427 af = ifr.ifr_addr.sa_family = afp->af_af; 428 else 429 af = ifr.ifr_addr.sa_family = afs[0].af_af; 430 printall(); 431 exit(0); 432 } 433 434 /* Make sure there's an interface name. */ 435 if (argc < 1) 436 usage(); 437 (void) strncpy(name, argv[0], sizeof(name)); 438 argc--; argv++; 439 440 /* Check for address family. */ 441 afp = NULL; 442 if (argc > 0) { 443 afp = lookup_af(argv[0]); 444 if (afp != NULL) { 445 argv++; 446 argc--; 447 } 448 } 449 450 /* Initialize af, just for use in getinfo(). */ 451 if (afp == NULL) 452 af = afs->af_af; 453 else 454 af = afp->af_af; 455 456 /* Get information about the interface. */ 457 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 458 if (getinfo(&ifr) < 0) 459 exit(1); 460 461 if (sflag) { 462 if (argc != 0) 463 usage(); 464 else 465 exit(carrier()); 466 } 467 468 /* No more arguments means interface status. */ 469 if (argc == 0) { 470 status(NULL, 0); 471 exit(0); 472 } 473 474 /* The following operations assume inet family as the default. */ 475 if (afp == NULL) 476 afp = afs; 477 af = ifr.ifr_addr.sa_family = afp->af_af; 478 479 #ifdef INET6 480 /* initialization */ 481 in6_addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; 482 in6_addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; 483 #endif 484 485 /* Process commands. */ 486 while (argc > 0) { 487 struct cmd *p; 488 489 for (p = cmds; p->c_name; p++) 490 if (strcmp(argv[0], p->c_name) == 0) 491 break; 492 if (p->c_name == 0 && setaddr) { 493 if ((flags & IFF_POINTOPOINT) == 0) { 494 errx(1, "can't set destination address %s", 495 "on non-point-to-point link"); 496 } 497 p++; /* got src, do dst */ 498 } 499 if (p->c_func) { 500 if (p->c_parameter == NEXTARG) { 501 if (argc < 2) 502 errx(1, "'%s' requires argument", 503 p->c_name); 504 (*p->c_func)(argv[1], 0); 505 argc--, argv++; 506 } else 507 (*p->c_func)(argv[0], p->c_parameter); 508 actions |= p->c_action; 509 } 510 argc--, argv++; 511 } 512 513 /* Process any media commands that may have been issued. */ 514 process_media_commands(); 515 516 if (af == AF_INET6 && explicit_prefix == 0) { 517 /* 518 * Aggregatable address architecture defines all prefixes 519 * are 64. So, it is convenient to set prefixlen to 64 if 520 * it is not specified. 521 */ 522 setifprefixlen("64", 0); 523 /* in6_getprefix("64", MASK) if MASK is available here... */ 524 } 525 526 #ifndef INET_ONLY 527 if (af == AF_ISO) 528 adjust_nsellength(); 529 530 if (af == AF_APPLETALK) 531 checkatrange((struct sockaddr_at *) &addreq.ifra_addr); 532 533 if (setipdst && af==AF_NS) { 534 struct nsip_req rq; 535 int size = sizeof(rq); 536 537 rq.rq_ns = addreq.ifra_addr; 538 rq.rq_ip = addreq.ifra_dstaddr; 539 540 if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0) 541 warn("encapsulation routing"); 542 } 543 544 #endif /* INET_ONLY */ 545 546 if (clearaddr) { 547 (void) strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name); 548 if (ioctl(s, afp->af_difaddr, afp->af_ridreq) < 0) 549 err(1, "SIOCDIFADDR"); 550 } 551 if (newaddr > 0) { 552 (void) strncpy(afp->af_addreq, name, sizeof ifr.ifr_name); 553 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) < 0) 554 warn("SIOCAIFADDR"); 555 } 556 if (reset_if_flags && ioctl(s, SIOCSIFFLAGS, (caddr_t)&flagreq) < 0) 557 err(1, "SIOCSIFFLAGS"); 558 exit(0); 559 } 560 561 struct afswtch * 562 lookup_af(cp) 563 const char *cp; 564 { 565 struct afswtch *a; 566 567 for (a = afs; a->af_name != NULL; a++) 568 if (strcmp(a->af_name, cp) == 0) 569 return (a); 570 return (NULL); 571 } 572 573 void 574 getsock(naf) 575 int naf; 576 { 577 static int oaf = -1; 578 579 if (oaf == naf) 580 return; 581 if (oaf != -1) 582 close(s); 583 s = socket(naf, SOCK_DGRAM, 0); 584 if (s < 0) 585 oaf = -1; 586 else 587 oaf = naf; 588 } 589 590 int 591 getinfo(ifr) 592 struct ifreq *ifr; 593 { 594 595 getsock(af); 596 if (s < 0) 597 err(1, "socket"); 598 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)ifr) < 0) { 599 warn("SIOCGIFFLAGS %s", ifr->ifr_name); 600 return (-1); 601 } 602 flags = ifr->ifr_flags; 603 if (ioctl(s, SIOCGIFMETRIC, (caddr_t)ifr) < 0) { 604 warn("SIOCGIFMETRIC %s", ifr->ifr_name); 605 metric = 0; 606 } else 607 metric = ifr->ifr_metric; 608 if (ioctl(s, SIOCGIFMTU, (caddr_t)ifr) < 0) 609 mtu = 0; 610 else 611 mtu = ifr->ifr_mtu; 612 return (0); 613 } 614 615 void 616 printalias(iname, af) 617 const char *iname; 618 int af; 619 { 620 char inbuf[8192]; 621 struct ifconf ifc; 622 struct ifreq *ifr; 623 int i, siz; 624 char ifrbuf[8192], *cp; 625 626 ifc.ifc_len = sizeof(inbuf); 627 ifc.ifc_buf = inbuf; 628 getsock(af); 629 if (s < 0) 630 err(1, "socket"); 631 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 632 err(1, "SIOCGIFCONF"); 633 for (i = 0; i < ifc.ifc_len; ) { 634 /* Copy the mininum ifreq into the buffer. */ 635 cp = ((caddr_t)ifc.ifc_req + i); 636 memcpy(ifrbuf, cp, sizeof(*ifr)); 637 638 /* Now compute the actual size of the ifreq. */ 639 ifr = (struct ifreq *)ifrbuf; 640 siz = ifr->ifr_addr.sa_len; 641 if (siz < sizeof(ifr->ifr_addr)) 642 siz = sizeof(ifr->ifr_addr); 643 siz += sizeof(ifr->ifr_name); 644 i += siz; 645 646 /* Now copy the whole thing. */ 647 if (sizeof(ifrbuf) < siz) 648 errx(1, "ifr too big"); 649 memcpy(ifrbuf, cp, siz); 650 651 if (!strncmp(iname, ifr->ifr_name, sizeof(ifr->ifr_name))) { 652 if (ifr->ifr_addr.sa_family == af) 653 switch (af) { 654 case AF_INET: 655 in_alias(ifr); 656 break; 657 default: 658 /*none*/ 659 } 660 } 661 } 662 } 663 664 void 665 printall() 666 { 667 char inbuf[8192]; 668 const struct sockaddr_dl *sdl = NULL; 669 struct ifconf ifc; 670 struct ifreq ifreq, *ifr; 671 int i, siz, idx; 672 char ifrbuf[8192], *cp; 673 674 ifc.ifc_len = sizeof(inbuf); 675 ifc.ifc_buf = inbuf; 676 getsock(af); 677 if (s < 0) 678 err(1, "socket"); 679 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 680 err(1, "SIOCGIFCONF"); 681 ifreq.ifr_name[0] = '\0'; 682 for (i = 0, idx = 0; i < ifc.ifc_len; ) { 683 /* Copy the mininum ifreq into the buffer. */ 684 cp = ((caddr_t)ifc.ifc_req + i); 685 memcpy(ifrbuf, cp, sizeof(*ifr)); 686 687 /* Now compute the actual size of the ifreq. */ 688 ifr = (struct ifreq *)ifrbuf; 689 siz = ifr->ifr_addr.sa_len; 690 if (siz < sizeof(ifr->ifr_addr)) 691 siz = sizeof(ifr->ifr_addr); 692 siz += sizeof(ifr->ifr_name); 693 i += siz; 694 695 /* Now copy the whole thing. */ 696 if (sizeof(ifrbuf) < siz) 697 errx(1, "ifr too big"); 698 memcpy(ifrbuf, cp, siz); 699 700 if (ifr->ifr_addr.sa_family == AF_LINK) 701 sdl = (const struct sockaddr_dl *) &ifr->ifr_addr; 702 if (!strncmp(ifreq.ifr_name, ifr->ifr_name, 703 sizeof(ifr->ifr_name))) { 704 if (Aflag && ifr->ifr_addr.sa_family == AF_INET) 705 in_alias(ifr); 706 continue; 707 } 708 (void) strncpy(name, ifr->ifr_name, sizeof(ifr->ifr_name)); 709 ifreq = *ifr; 710 711 if (getinfo(&ifreq) < 0) 712 continue; 713 if (bflag && (flags & (IFF_POINTOPOINT|IFF_LOOPBACK))) 714 continue; 715 if (dflag && (flags & IFF_UP) != 0) 716 continue; 717 if (uflag && (flags & IFF_UP) == 0) 718 continue; 719 720 if (sflag && carrier()) 721 continue; 722 idx++; 723 /* 724 * Are we just listing the interfaces? 725 */ 726 if (lflag) { 727 if (idx > 1) 728 putchar(' '); 729 fputs(name, stdout); 730 continue; 731 } 732 733 if (sdl == NULL) { 734 status(NULL, 0); 735 } else { 736 status(LLADDR(sdl), sdl->sdl_alen); 737 sdl = NULL; 738 } 739 } 740 if (lflag) 741 putchar('\n'); 742 } 743 744 #define RIDADDR 0 745 #define ADDR 1 746 #define MASK 2 747 #define DSTADDR 3 748 749 /*ARGSUSED*/ 750 void 751 setifaddr(addr, param) 752 char *addr; 753 int param; 754 { 755 struct ifreq *ifr; /* XXX */ 756 757 /* 758 * Delay the ioctl to set the interface addr until flags are all set. 759 * The address interpretation may depend on the flags, 760 * and the flags may change when the address is set. 761 */ 762 setaddr++; 763 if (newaddr == -1) 764 newaddr = 1; 765 if (doalias == 0 && afp->af_gifaddr != 0) { 766 ifr = (struct ifreq *)afp->af_ridreq; 767 (void) strncpy(ifr->ifr_name, name, sizeof(ifr->ifr_name)); 768 ifr->ifr_addr.sa_family = afp->af_af; 769 if (ioctl(s, afp->af_gifaddr, afp->af_ridreq) == 0) 770 clearaddr = 1; 771 else if (errno == EADDRNOTAVAIL) 772 /* No address was assigned yet. */ 773 ; 774 else 775 err(1, "SIOCGIFADDR"); 776 } 777 778 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 779 } 780 781 void 782 setifnetmask(addr, d) 783 char *addr; 784 int d; 785 { 786 (*afp->af_getaddr)(addr, MASK); 787 } 788 789 void 790 setifbroadaddr(addr, d) 791 char *addr; 792 int d; 793 { 794 (*afp->af_getaddr)(addr, DSTADDR); 795 } 796 797 void 798 setifipdst(addr, d) 799 char *addr; 800 int d; 801 { 802 in_getaddr(addr, DSTADDR); 803 setipdst++; 804 clearaddr = 0; 805 newaddr = 0; 806 } 807 808 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 809 /*ARGSUSED*/ 810 void 811 notealias(addr, param) 812 char *addr; 813 int param; 814 { 815 if (setaddr && doalias == 0 && param < 0) 816 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 817 rqtosa(af_addreq)->sa_len); 818 doalias = param; 819 if (param < 0) { 820 clearaddr = 1; 821 newaddr = 0; 822 } else 823 clearaddr = 0; 824 } 825 826 /*ARGSUSED*/ 827 void 828 notrailers(vname, value) 829 char *vname; 830 int value; 831 { 832 puts("Note: trailers are no longer sent, but always received"); 833 } 834 835 /*ARGSUSED*/ 836 void 837 setifdstaddr(addr, param) 838 char *addr; 839 int param; 840 { 841 (*afp->af_getaddr)(addr, DSTADDR); 842 } 843 844 void 845 setifflags(vname, value) 846 char *vname; 847 int value; 848 { 849 (void) strncpy(flagreq.ifr_name, name, sizeof (flagreq.ifr_name)); 850 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&flagreq) < 0) 851 err(1, "SIOCGIFFLAGS"); 852 flags = flagreq.ifr_flags; 853 854 if (value < 0) { 855 value = -value; 856 flags &= ~value; 857 } else 858 flags |= value; 859 flagreq.ifr_flags = flags; 860 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&flagreq) < 0) 861 err(1, "SIOCSIFFLAGS"); 862 863 reset_if_flags = 1; 864 } 865 866 #ifdef INET6 867 void 868 setia6flags(vname, value) 869 char *vname; 870 int value; 871 { 872 if (value < 0) { 873 value = -value; 874 in6_addreq.ifra_flags &= ~value; 875 } else 876 in6_addreq.ifra_flags |= value; 877 } 878 879 void 880 setia6pltime(val, d) 881 char *val; 882 int d; 883 { 884 setia6lifetime("pltime", val); 885 } 886 887 void 888 setia6vltime(val, d) 889 char *val; 890 int d; 891 { 892 setia6lifetime("vltime", val); 893 } 894 895 void 896 setia6lifetime(cmd, val) 897 char *cmd; 898 char *val; 899 { 900 time_t newval, t; 901 char *ep; 902 903 t = time(NULL); 904 newval = (time_t)strtoul(val, &ep, 0); 905 if (val == ep) 906 errx(1, "invalid %s", cmd); 907 if (afp->af_af != AF_INET6) 908 errx(1, "%s not allowed for the AF", cmd); 909 if (strcmp(cmd, "vltime") == 0) { 910 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 911 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 912 } else if (strcmp(cmd, "pltime") == 0) { 913 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 914 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 915 } 916 } 917 #endif 918 919 void 920 setifmetric(val, d) 921 char *val; 922 int d; 923 { 924 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 925 ifr.ifr_metric = atoi(val); 926 if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) < 0) 927 warn("SIOCSIFMETRIC"); 928 } 929 930 void 931 setifmtu(val, d) 932 char *val; 933 int d; 934 { 935 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 936 ifr.ifr_mtu = atoi(val); 937 if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) < 0) 938 warn("SIOCSIFMTU"); 939 } 940 941 void 942 setifnwid(val, d) 943 char *val; 944 int d; 945 { 946 u_int8_t nwid[IEEE80211_NWID_LEN]; 947 948 memset(&nwid, 0, sizeof(nwid)); 949 (void)strncpy(nwid, val, sizeof(nwid)); 950 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 951 ifr.ifr_data = (caddr_t)nwid; 952 if (ioctl(s, SIOCS80211NWID, (caddr_t)&ifr) < 0) 953 warn("SIOCS80211NWID"); 954 } 955 956 void 957 ieee80211_status() 958 { 959 u_int8_t nwid[IEEE80211_NWID_LEN + 1]; 960 961 memset(&ifr, 0, sizeof(ifr)); 962 ifr.ifr_data = (caddr_t)nwid; 963 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 964 nwid[IEEE80211_NWID_LEN] = 0; 965 if (ioctl(s, SIOCG80211NWID, (caddr_t)&ifr) == 0) 966 printf("\tnwid %s\n", nwid); 967 } 968 969 void 970 init_current_media() 971 { 972 struct ifmediareq ifmr; 973 974 /* 975 * If we have not yet done so, grab the currently-selected 976 * media. 977 */ 978 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 979 (void) memset(&ifmr, 0, sizeof(ifmr)); 980 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 981 982 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 983 /* 984 * If we get E2BIG, the kernel is telling us 985 * that there are more, so we can ignore it. 986 */ 987 if (errno != E2BIG) 988 err(1, "SGIOCGIFMEDIA"); 989 } 990 991 media_current = ifmr.ifm_current; 992 } 993 994 /* Sanity. */ 995 if (IFM_TYPE(media_current) == 0) 996 errx(1, "%s: no link type?", name); 997 } 998 999 void 1000 process_media_commands() 1001 { 1002 1003 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 1004 /* Nothing to do. */ 1005 return; 1006 } 1007 1008 /* 1009 * Media already set up, and commands sanity-checked. Set/clear 1010 * any options, and we're ready to go. 1011 */ 1012 media_current |= mediaopt_set; 1013 media_current &= ~mediaopt_clear; 1014 1015 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1016 ifr.ifr_media = media_current; 1017 1018 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0) 1019 err(1, "SIOCSIFMEDIA"); 1020 } 1021 1022 void 1023 setmedia(val, d) 1024 char *val; 1025 int d; 1026 { 1027 int type, subtype, inst; 1028 1029 init_current_media(); 1030 1031 /* Only one media command may be given. */ 1032 if (actions & A_MEDIA) 1033 errx(1, "only one `media' command may be issued"); 1034 1035 /* Must not come after mediaopt commands */ 1036 if (actions & A_MEDIAOPT) 1037 errx(1, "may not issue `media' after `mediaopt' commands"); 1038 1039 /* 1040 * No need to check if `instance' has been issued; setmediainst() 1041 * craps out if `media' has not been specified. 1042 */ 1043 1044 type = IFM_TYPE(media_current); 1045 inst = IFM_INST(media_current); 1046 1047 /* Look up the subtype. */ 1048 subtype = get_media_subtype(type, val); 1049 1050 /* Build the new current media word. */ 1051 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1052 1053 /* Media will be set after other processing is complete. */ 1054 } 1055 1056 void 1057 setmediaopt(val, d) 1058 char *val; 1059 int d; 1060 { 1061 1062 init_current_media(); 1063 1064 /* Can only issue `mediaopt' once. */ 1065 if (actions & A_MEDIAOPTSET) 1066 errx(1, "only one `mediaopt' command may be issued"); 1067 1068 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1069 if (actions & A_MEDIAINST) 1070 errx(1, "may not issue `mediaopt' after `instance'"); 1071 1072 mediaopt_set = get_media_options(IFM_TYPE(media_current), val); 1073 1074 /* Media will be set after other processing is complete. */ 1075 } 1076 1077 void 1078 unsetmediaopt(val, d) 1079 char *val; 1080 int d; 1081 { 1082 1083 init_current_media(); 1084 1085 /* Can only issue `-mediaopt' once. */ 1086 if (actions & A_MEDIAOPTCLR) 1087 errx(1, "only one `-mediaopt' command may be issued"); 1088 1089 /* May not issue `media' and `-mediaopt'. */ 1090 if (actions & A_MEDIA) 1091 errx(1, "may not issue both `media' and `-mediaopt'"); 1092 1093 /* 1094 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1095 * implicitly checks for A_MEDIAINST. 1096 */ 1097 1098 mediaopt_clear = get_media_options(IFM_TYPE(media_current), val); 1099 1100 /* Media will be set after other processing is complete. */ 1101 } 1102 1103 void 1104 setmediainst(val, d) 1105 char *val; 1106 int d; 1107 { 1108 int type, subtype, options, inst; 1109 1110 init_current_media(); 1111 1112 /* Can only issue `instance' once. */ 1113 if (actions & A_MEDIAINST) 1114 errx(1, "only one `instance' command may be issued"); 1115 1116 /* Must have already specified `media' */ 1117 if ((actions & A_MEDIA) == 0) 1118 errx(1, "must specify `media' before `instance'"); 1119 1120 type = IFM_TYPE(media_current); 1121 subtype = IFM_SUBTYPE(media_current); 1122 options = IFM_OPTIONS(media_current); 1123 1124 inst = atoi(val); 1125 if (inst < 0 || inst > IFM_INST_MAX) 1126 errx(1, "invalid media instance: %s", val); 1127 1128 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1129 1130 /* Media will be set after other processing is complete. */ 1131 } 1132 1133 struct ifmedia_description ifm_type_descriptions[] = 1134 IFM_TYPE_DESCRIPTIONS; 1135 1136 struct ifmedia_description ifm_subtype_descriptions[] = 1137 IFM_SUBTYPE_DESCRIPTIONS; 1138 1139 struct ifmedia_description ifm_option_descriptions[] = 1140 IFM_OPTION_DESCRIPTIONS; 1141 1142 const char * 1143 get_media_type_string(mword) 1144 int mword; 1145 { 1146 struct ifmedia_description *desc; 1147 1148 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; 1149 desc++) { 1150 if (IFM_TYPE(mword) == desc->ifmt_word) 1151 return (desc->ifmt_string); 1152 } 1153 return ("<unknown type>"); 1154 } 1155 1156 const char * 1157 get_media_subtype_string(mword) 1158 int mword; 1159 { 1160 struct ifmedia_description *desc; 1161 1162 for (desc = ifm_subtype_descriptions; desc->ifmt_string != NULL; 1163 desc++) { 1164 if (IFM_TYPE_MATCH(desc->ifmt_word, mword) && 1165 IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(mword)) 1166 return (desc->ifmt_string); 1167 } 1168 return ("<unknown subtype>"); 1169 } 1170 1171 int 1172 get_media_subtype(type, val) 1173 int type; 1174 const char *val; 1175 { 1176 int rval; 1177 1178 rval = lookup_media_word(ifm_subtype_descriptions, type, val); 1179 if (rval == -1) 1180 errx(1, "unknown %s media subtype: %s", 1181 get_media_type_string(type), val); 1182 1183 return (rval); 1184 } 1185 1186 int 1187 get_media_options(type, val) 1188 int type; 1189 const char *val; 1190 { 1191 char *optlist, *str; 1192 int option, rval = 0; 1193 1194 /* We muck with the string, so copy it. */ 1195 optlist = strdup(val); 1196 if (optlist == NULL) 1197 err(1, "strdup"); 1198 str = optlist; 1199 1200 /* 1201 * Look up the options in the user-provided comma-separated list. 1202 */ 1203 for (; (str = strtok(str, ",")) != NULL; str = NULL) { 1204 option = lookup_media_word(ifm_option_descriptions, type, str); 1205 if (option == -1) 1206 errx(1, "unknown %s media option: %s", 1207 get_media_type_string(type), str); 1208 rval |= IFM_OPTIONS(option); 1209 } 1210 1211 free(optlist); 1212 return (rval); 1213 } 1214 1215 int 1216 lookup_media_word(desc, type, val) 1217 struct ifmedia_description *desc; 1218 int type; 1219 const char *val; 1220 { 1221 1222 for (; desc->ifmt_string != NULL; desc++) { 1223 if (IFM_TYPE_MATCH(desc->ifmt_word, type) && 1224 strcasecmp(desc->ifmt_string, val) == 0) 1225 return (desc->ifmt_word); 1226 } 1227 return (-1); 1228 } 1229 1230 void 1231 print_media_word(ifmw, print_type, as_syntax) 1232 int ifmw, print_type, as_syntax; 1233 { 1234 struct ifmedia_description *desc; 1235 int seen_option = 0; 1236 1237 if (print_type) 1238 printf("%s ", get_media_type_string(ifmw)); 1239 printf("%s%s", as_syntax ? "media " : "", 1240 get_media_subtype_string(ifmw)); 1241 1242 /* Find options. */ 1243 for (desc = ifm_option_descriptions; desc->ifmt_string != NULL; 1244 desc++) { 1245 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && 1246 (ifmw & IFM_OPTIONS(desc->ifmt_word)) != 0 && 1247 (seen_option & IFM_OPTIONS(desc->ifmt_word)) == 0) { 1248 if (seen_option == 0) 1249 printf(" %s", as_syntax ? "mediaopt " : ""); 1250 printf("%s%s", seen_option ? "," : "", 1251 desc->ifmt_string); 1252 seen_option |= IFM_OPTIONS(desc->ifmt_word); 1253 } 1254 } 1255 if (IFM_INST(ifmw) != 0) 1256 printf(" instance %d", IFM_INST(ifmw)); 1257 } 1258 1259 int carrier() 1260 { 1261 struct ifmediareq ifmr; 1262 1263 (void) memset(&ifmr, 0, sizeof(ifmr)); 1264 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1265 1266 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1267 /* 1268 * Interface doesn't support SIOC{G,S}IFMEDIA; 1269 * assume ok. 1270 */ 1271 return 0; 1272 } 1273 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1274 /* 1275 * Interface doesn't report media-valid status. 1276 * assume ok. 1277 */ 1278 return 0; 1279 } 1280 /* otherwise, return ok for active, not-ok if not active. */ 1281 return !(ifmr.ifm_status & IFM_ACTIVE); 1282 } 1283 1284 1285 #define IFFBITS \ 1286 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 1287 \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 1288 1289 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1290 1291 const struct ifmedia_status_description ifm_status_descriptions[] = 1292 IFM_STATUS_DESCRIPTIONS; 1293 1294 /* 1295 * Print the status of the interface. If an address family was 1296 * specified, show it and it only; otherwise, show them all. 1297 */ 1298 void 1299 status(ap, alen) 1300 const u_int8_t *ap; 1301 int alen; 1302 { 1303 struct afswtch *p = afp; 1304 struct ifmediareq ifmr; 1305 int *media_list, i; 1306 1307 printf("%s: ", name); 1308 printb("flags", flags, IFFBITS); 1309 if (metric) 1310 printf(" metric %d", metric); 1311 if (mtu) 1312 printf(" mtu %d", mtu); 1313 putchar('\n'); 1314 1315 ieee80211_status(); 1316 1317 if (ap && alen > 0) { 1318 printf("\taddress:"); 1319 for (i = 0; i < alen; i++, ap++) 1320 printf("%c%02x", i > 0 ? ':' : ' ', *ap); 1321 putchar('\n'); 1322 } 1323 1324 (void) memset(&ifmr, 0, sizeof(ifmr)); 1325 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1326 1327 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1328 /* 1329 * Interface doesn't support SIOC{G,S}IFMEDIA. 1330 */ 1331 goto proto_status; 1332 } 1333 1334 if (ifmr.ifm_count == 0) { 1335 warnx("%s: no media types?", name); 1336 goto proto_status; 1337 } 1338 1339 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1340 if (media_list == NULL) 1341 err(1, "malloc"); 1342 ifmr.ifm_ulist = media_list; 1343 1344 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) 1345 err(1, "SIOCGIFMEDIA"); 1346 1347 printf("\tmedia: "); 1348 print_media_word(ifmr.ifm_current, 1, 0); 1349 if (ifmr.ifm_active != ifmr.ifm_current) { 1350 putchar(' '); 1351 putchar('('); 1352 print_media_word(ifmr.ifm_active, 0, 0); 1353 putchar(')'); 1354 } 1355 putchar('\n'); 1356 1357 if (ifmr.ifm_status & IFM_STATUS_VALID) { 1358 const struct ifmedia_status_description *ifms; 1359 int bitno, found = 0; 1360 1361 printf("\tstatus: "); 1362 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 1363 for (ifms = ifm_status_descriptions; 1364 ifms->ifms_valid != 0; ifms++) { 1365 if (ifms->ifms_type != 1366 IFM_TYPE(ifmr.ifm_current) || 1367 ifms->ifms_valid != 1368 ifm_status_valid_list[bitno]) 1369 continue; 1370 printf("%s%s", found ? ", " : "", 1371 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 1372 found = 1; 1373 1374 /* 1375 * For each valid indicator bit, there's 1376 * only one entry for each media type, so 1377 * terminate the inner loop now. 1378 */ 1379 break; 1380 } 1381 } 1382 1383 if (found == 0) 1384 printf("unknown"); 1385 putchar('\n'); 1386 } 1387 1388 if (mflag) { 1389 int type, printed_type; 1390 1391 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 1392 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 1393 if (IFM_TYPE(media_list[i]) == type) { 1394 if (printed_type == 0) { 1395 printf("\tsupported %s media:\n", 1396 get_media_type_string(type)); 1397 printed_type = 1; 1398 } 1399 printf("\t\t"); 1400 print_media_word(media_list[i], 0, 1); 1401 printf("\n"); 1402 } 1403 } 1404 } 1405 } 1406 1407 free(media_list); 1408 1409 proto_status: 1410 if ((p = afp) != NULL) { 1411 (*p->af_status)(1); 1412 if (Aflag & !aflag) 1413 printalias(name, p->af_af); 1414 } else for (p = afs; p->af_name; p++) { 1415 ifr.ifr_addr.sa_family = p->af_af; 1416 (*p->af_status)(0); 1417 if (Aflag & !aflag && p->af_af == AF_INET) 1418 printalias(name, p->af_af); 1419 } 1420 } 1421 1422 void 1423 in_alias(creq) 1424 struct ifreq *creq; 1425 { 1426 struct sockaddr_in *sin; 1427 1428 if (lflag) 1429 return; 1430 1431 /* Get the non-alias address for this interface. */ 1432 getsock(AF_INET); 1433 if (s < 0) { 1434 if (errno == EPROTONOSUPPORT) 1435 return; 1436 err(1, "socket"); 1437 } 1438 (void) memset(&ifr, 0, sizeof(ifr)); 1439 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1440 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 1441 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1442 return; 1443 } else 1444 warn("SIOCGIFADDR"); 1445 } 1446 /* If creq and ifr are the same address, this is not an alias. */ 1447 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 1448 sizeof(creq->ifr_addr)) == 0) 1449 return; 1450 (void) memset(&addreq, 0, sizeof(addreq)); 1451 (void) strncpy(addreq.ifra_name, name, sizeof(addreq.ifra_name)); 1452 addreq.ifra_addr = creq->ifr_addr; 1453 if (ioctl(s, SIOCGIFALIAS, (caddr_t)&addreq) < 0) { 1454 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1455 return; 1456 } else 1457 warn("SIOCGIFALIAS"); 1458 } 1459 1460 sin = (struct sockaddr_in *)&addreq.ifra_addr; 1461 printf("\tinet alias %s", inet_ntoa(sin->sin_addr)); 1462 1463 if (flags & IFF_POINTOPOINT) { 1464 sin = (struct sockaddr_in *)&addreq.ifra_dstaddr; 1465 printf(" -> %s", inet_ntoa(sin->sin_addr)); 1466 } 1467 1468 sin = (struct sockaddr_in *)&addreq.ifra_mask; 1469 printf(" netmask 0x%x", ntohl(sin->sin_addr.s_addr)); 1470 1471 if (flags & IFF_BROADCAST) { 1472 sin = (struct sockaddr_in *)&addreq.ifra_broadaddr; 1473 printf(" broadcast %s", inet_ntoa(sin->sin_addr)); 1474 } 1475 printf("\n"); 1476 } 1477 1478 void 1479 in_status(force) 1480 int force; 1481 { 1482 struct sockaddr_in *sin; 1483 1484 getsock(AF_INET); 1485 if (s < 0) { 1486 if (errno == EPROTONOSUPPORT) 1487 return; 1488 err(1, "socket"); 1489 } 1490 (void) memset(&ifr, 0, sizeof(ifr)); 1491 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1492 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 1493 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1494 if (!force) 1495 return; 1496 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1497 } else 1498 warn("SIOCGIFADDR"); 1499 } 1500 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1501 sin = (struct sockaddr_in *)&ifr.ifr_addr; 1502 printf("\tinet %s ", inet_ntoa(sin->sin_addr)); 1503 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1504 if (ioctl(s, SIOCGIFNETMASK, (caddr_t)&ifr) < 0) { 1505 if (errno != EADDRNOTAVAIL) 1506 warn("SIOCGIFNETMASK"); 1507 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1508 } else 1509 netmask.sin_addr = 1510 ((struct sockaddr_in *)&ifr.ifr_addr)->sin_addr; 1511 if (flags & IFF_POINTOPOINT) { 1512 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 1513 if (errno == EADDRNOTAVAIL) 1514 (void) memset(&ifr.ifr_addr, 0, 1515 sizeof(ifr.ifr_addr)); 1516 else 1517 warn("SIOCGIFDSTADDR"); 1518 } 1519 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1520 sin = (struct sockaddr_in *)&ifr.ifr_dstaddr; 1521 printf("--> %s ", inet_ntoa(sin->sin_addr)); 1522 } 1523 printf("netmask 0x%x ", ntohl(netmask.sin_addr.s_addr)); 1524 if (flags & IFF_BROADCAST) { 1525 if (ioctl(s, SIOCGIFBRDADDR, (caddr_t)&ifr) < 0) { 1526 if (errno == EADDRNOTAVAIL) 1527 (void) memset(&ifr.ifr_addr, 0, 1528 sizeof(ifr.ifr_addr)); 1529 else 1530 warn("SIOCGIFBRDADDR"); 1531 } 1532 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1533 sin = (struct sockaddr_in *)&ifr.ifr_addr; 1534 if (sin->sin_addr.s_addr != 0) 1535 printf("broadcast %s", inet_ntoa(sin->sin_addr)); 1536 } 1537 putchar('\n'); 1538 } 1539 1540 void 1541 setifprefixlen(addr, d) 1542 char *addr; 1543 int d; 1544 { 1545 if (*afp->af_getprefix) 1546 (*afp->af_getprefix)(addr, MASK); 1547 explicit_prefix = 1; 1548 } 1549 1550 #ifdef INET6 1551 void 1552 in6_fillscopeid(sin6) 1553 struct sockaddr_in6 *sin6; 1554 { 1555 #if defined(__KAME__) && defined(KAME_SCOPEID) 1556 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1557 sin6->sin6_scope_id = 1558 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 1559 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 1560 } 1561 #endif 1562 } 1563 1564 /* XXX not really an alias */ 1565 void 1566 in6_alias(creq) 1567 struct in6_ifreq *creq; 1568 { 1569 struct sockaddr_in6 *sin6; 1570 char hbuf[NI_MAXHOST]; 1571 u_int32_t scopeid; 1572 #ifdef NI_WITHSCOPEID 1573 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 1574 #else 1575 const int niflag = NI_NUMERICHOST; 1576 #endif 1577 1578 /* Get the non-alias address for this interface. */ 1579 getsock(AF_INET6); 1580 if (s < 0) { 1581 if (errno == EPROTONOSUPPORT) 1582 return; 1583 err(1, "socket"); 1584 } 1585 1586 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 1587 1588 in6_fillscopeid(sin6); 1589 scopeid = sin6->sin6_scope_id; 1590 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 1591 hbuf, sizeof(hbuf), NULL, 0, niflag)) 1592 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 1593 printf("\tinet6 %s", hbuf); 1594 1595 if (flags & IFF_POINTOPOINT) { 1596 (void) memset(&ifr6, 0, sizeof(ifr6)); 1597 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 1598 ifr6.ifr_addr = creq->ifr_addr; 1599 if (ioctl(s, SIOCGIFDSTADDR_IN6, (caddr_t)&ifr6) < 0) { 1600 if (errno != EADDRNOTAVAIL) 1601 warn("SIOCGIFDSTADDR_IN6"); 1602 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 1603 ifr6.ifr_addr.sin6_family = AF_INET6; 1604 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 1605 } 1606 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 1607 in6_fillscopeid(sin6); 1608 hbuf[0] = '\0'; 1609 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 1610 hbuf, sizeof(hbuf), NULL, 0, niflag)) 1611 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 1612 printf(" -> %s", hbuf); 1613 } 1614 1615 (void) memset(&ifr6, 0, sizeof(ifr6)); 1616 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 1617 ifr6.ifr_addr = creq->ifr_addr; 1618 if (ioctl(s, SIOCGIFNETMASK_IN6, (caddr_t)&ifr6) < 0) { 1619 if (errno != EADDRNOTAVAIL) 1620 warn("SIOCGIFNETMASK_IN6"); 1621 } else { 1622 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 1623 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 1624 sizeof(struct in6_addr))); 1625 } 1626 1627 (void) memset(&ifr6, 0, sizeof(ifr6)); 1628 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 1629 ifr6.ifr_addr = creq->ifr_addr; 1630 if (ioctl(s, SIOCGIFAFLAG_IN6, (caddr_t)&ifr6) < 0) { 1631 if (errno != EADDRNOTAVAIL) 1632 warn("SIOCGIFAFLAG_IN6"); 1633 } else { 1634 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 1635 printf(" anycast"); 1636 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 1637 printf(" tentative"); 1638 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 1639 printf(" duplicated"); 1640 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 1641 printf(" detached"); 1642 } 1643 1644 if (scopeid) 1645 printf(" scopeid 0x%x", scopeid); 1646 1647 if (Lflag) { 1648 struct in6_addrlifetime *lifetime; 1649 (void) memset(&ifr6, 0, sizeof(ifr6)); 1650 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 1651 ifr6.ifr_addr = creq->ifr_addr; 1652 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 1653 if (ioctl(s, SIOCGIFALIFETIME_IN6, (caddr_t)&ifr6) < 0) { 1654 if (errno != EADDRNOTAVAIL) 1655 warn("SIOCGIFALIFETIME_IN6"); 1656 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 1657 time_t t = time(NULL); 1658 printf(" pltime "); 1659 if (lifetime->ia6t_preferred) { 1660 printf("%s", lifetime->ia6t_preferred < t 1661 ? "0" 1662 : sec2str(lifetime->ia6t_preferred - t)); 1663 } else 1664 printf("infty"); 1665 1666 printf(" vltime "); 1667 if (lifetime->ia6t_expire) { 1668 printf("%s", lifetime->ia6t_expire < t 1669 ? "0" 1670 : sec2str(lifetime->ia6t_expire - t)); 1671 } else 1672 printf("infty"); 1673 } 1674 } 1675 1676 printf("\n"); 1677 } 1678 1679 void 1680 in6_status(force) 1681 int force; 1682 { 1683 char inbuf[8192]; 1684 struct ifconf ifc; 1685 struct ifreq *ifr; 1686 int i, siz; 1687 char ifrbuf[8192], *cp; 1688 1689 ifc.ifc_len = sizeof(inbuf); 1690 ifc.ifc_buf = inbuf; 1691 getsock(af); 1692 if (s < 0) 1693 err(1, "socket"); 1694 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 1695 err(1, "SIOCGIFCONF"); 1696 for (i = 0; i < ifc.ifc_len; ) { 1697 /* Copy the mininum ifreq into the buffer. */ 1698 cp = ((caddr_t)ifc.ifc_req + i); 1699 memcpy(ifrbuf, cp, sizeof(*ifr)); 1700 1701 /* Now compute the actual size of the ifreq. */ 1702 ifr = (struct ifreq *)ifrbuf; 1703 siz = ifr->ifr_addr.sa_len; 1704 if (siz < sizeof(ifr->ifr_addr)) 1705 siz = sizeof(ifr->ifr_addr); 1706 siz += sizeof(ifr->ifr_name); 1707 i += siz; 1708 1709 /* Now copy the whole thing. */ 1710 if (sizeof(ifrbuf) < siz) 1711 errx(1, "ifr too big"); 1712 memcpy(ifrbuf, cp, siz); 1713 1714 if (!strncmp(name, ifr->ifr_name, sizeof(ifr->ifr_name))) { 1715 if (ifr->ifr_addr.sa_family == AF_INET6) 1716 in6_alias((struct in6_ifreq *)ifr); 1717 } 1718 } 1719 } 1720 #endif /*INET6*/ 1721 1722 #ifndef INET_ONLY 1723 1724 void 1725 at_status(force) 1726 int force; 1727 { 1728 struct sockaddr_at *sat, null_sat; 1729 struct netrange *nr; 1730 1731 getsock(AF_APPLETALK); 1732 if (s < 0) { 1733 if (errno == EPROTONOSUPPORT) 1734 return; 1735 err(1, "socket"); 1736 } 1737 (void) memset(&ifr, 0, sizeof(ifr)); 1738 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1739 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 1740 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1741 if (!force) 1742 return; 1743 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1744 } else 1745 warn("SIOCGIFADDR"); 1746 } 1747 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 1748 sat = (struct sockaddr_at *)&ifr.ifr_addr; 1749 1750 (void) memset(&null_sat, 0, sizeof(null_sat)); 1751 1752 nr = (struct netrange *) &sat->sat_zero; 1753 printf("\tatalk %d.%d range %d-%d phase %d", 1754 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 1755 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 1756 if (flags & IFF_POINTOPOINT) { 1757 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 1758 if (errno == EADDRNOTAVAIL) 1759 (void) memset(&ifr.ifr_addr, 0, 1760 sizeof(ifr.ifr_addr)); 1761 else 1762 warn("SIOCGIFDSTADDR"); 1763 } 1764 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1765 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 1766 if (!sat) 1767 sat = &null_sat; 1768 printf("--> %d.%d", 1769 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 1770 } 1771 if (flags & IFF_BROADCAST) { 1772 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 1773 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 1774 if (sat) 1775 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 1776 sat->sat_addr.s_node); 1777 } 1778 putchar('\n'); 1779 } 1780 1781 void 1782 xns_status(force) 1783 int force; 1784 { 1785 struct sockaddr_ns *sns; 1786 1787 getsock(AF_NS); 1788 if (s < 0) { 1789 if (errno == EPROTONOSUPPORT) 1790 return; 1791 err(1, "socket"); 1792 } 1793 (void) memset(&ifr, 0, sizeof(ifr)); 1794 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1795 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 1796 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1797 if (!force) 1798 return; 1799 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1800 } else 1801 warn("SIOCGIFADDR"); 1802 } 1803 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 1804 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 1805 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 1806 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 1807 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 1808 if (errno == EADDRNOTAVAIL) 1809 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1810 else 1811 warn("SIOCGIFDSTADDR"); 1812 } 1813 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1814 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 1815 printf("--> %s ", ns_ntoa(sns->sns_addr)); 1816 } 1817 putchar('\n'); 1818 } 1819 1820 void 1821 iso_status(force) 1822 int force; 1823 { 1824 struct sockaddr_iso *siso; 1825 struct iso_ifreq ifr; 1826 1827 getsock(AF_ISO); 1828 if (s < 0) { 1829 if (errno == EPROTONOSUPPORT) 1830 return; 1831 err(1, "socket"); 1832 } 1833 (void) memset(&ifr, 0, sizeof(ifr)); 1834 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1835 if (ioctl(s, SIOCGIFADDR_ISO, (caddr_t)&ifr) < 0) { 1836 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1837 if (!force) 1838 return; 1839 (void) memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 1840 } else 1841 warn("SIOCGIFADDR_ISO"); 1842 } 1843 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 1844 siso = &ifr.ifr_Addr; 1845 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 1846 if (ioctl(s, SIOCGIFNETMASK_ISO, (caddr_t)&ifr) < 0) { 1847 if (errno == EADDRNOTAVAIL) 1848 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 1849 else 1850 warn("SIOCGIFNETMASK_ISO"); 1851 } else { 1852 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 1853 siso->siso_addr.isoa_len = siso->siso_len 1854 - offsetof(struct sockaddr_iso, siso_addr); 1855 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 1856 } 1857 if (flags & IFF_POINTOPOINT) { 1858 if (ioctl(s, SIOCGIFDSTADDR_ISO, (caddr_t)&ifr) < 0) { 1859 if (errno == EADDRNOTAVAIL) 1860 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 1861 else 1862 warn("SIOCGIFDSTADDR_ISO"); 1863 } 1864 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1865 siso = &ifr.ifr_Addr; 1866 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 1867 } 1868 putchar('\n'); 1869 } 1870 1871 #endif /* INET_ONLY */ 1872 1873 #define SIN(x) ((struct sockaddr_in *) &(x)) 1874 struct sockaddr_in *sintab[] = { 1875 SIN(ridreq.ifr_addr), SIN(addreq.ifra_addr), 1876 SIN(addreq.ifra_mask), SIN(addreq.ifra_broadaddr)}; 1877 1878 void 1879 in_getaddr(s, which) 1880 char *s; 1881 int which; 1882 { 1883 struct sockaddr_in *sin = sintab[which]; 1884 struct hostent *hp; 1885 struct netent *np; 1886 1887 sin->sin_len = sizeof(*sin); 1888 if (which != MASK) 1889 sin->sin_family = AF_INET; 1890 1891 if (which == ADDR) { 1892 char *p = NULL; 1893 1894 if((p = strrchr(s, '/')) != NULL) { 1895 /* address is `name/masklen' */ 1896 int masklen; 1897 int ret; 1898 struct sockaddr_in *min = sintab[MASK]; 1899 *p = '\0'; 1900 ret = sscanf(p+1, "%u", &masklen); 1901 if(ret != 1 || (masklen < 0 || masklen > 32)) { 1902 *p = '/'; 1903 errx(1, "%s: bad value", s); 1904 } 1905 min->sin_len = sizeof(*min); 1906 min->sin_addr.s_addr = 1907 htonl(~((1LL << (32 - masklen)) - 1) & 1908 0xffffffff); 1909 } 1910 } 1911 1912 if (inet_aton(s, &sin->sin_addr) == 0) { 1913 if ((hp = gethostbyname(s)) != NULL) 1914 (void) memcpy(&sin->sin_addr, hp->h_addr, hp->h_length); 1915 else if ((np = getnetbyname(s)) != NULL) 1916 sin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 1917 else 1918 errx(1, "%s: bad value", s); 1919 } 1920 } 1921 1922 /* 1923 * Print a value a la the %b format of the kernel's printf 1924 */ 1925 void 1926 printb(s, v, bits) 1927 char *s; 1928 char *bits; 1929 unsigned short v; 1930 { 1931 int i, any = 0; 1932 char c; 1933 1934 if (bits && *bits == 8) 1935 printf("%s=%o", s, v); 1936 else 1937 printf("%s=%x", s, v); 1938 bits++; 1939 if (bits) { 1940 putchar('<'); 1941 while ((i = *bits++) != 0) { 1942 if (v & (1 << (i-1))) { 1943 if (any) 1944 putchar(','); 1945 any = 1; 1946 for (; (c = *bits) > 32; bits++) 1947 putchar(c); 1948 } else 1949 for (; *bits > 32; bits++) 1950 ; 1951 } 1952 putchar('>'); 1953 } 1954 } 1955 1956 #ifdef INET6 1957 #define SIN6(x) ((struct sockaddr_in6 *) &(x)) 1958 struct sockaddr_in6 *sin6tab[] = { 1959 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 1960 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 1961 1962 void 1963 in6_getaddr(s, which) 1964 char *s; 1965 int which; 1966 { 1967 #if defined(__KAME__) && defined(KAME_SCOPEID) 1968 struct sockaddr_in6 *sin6 = sin6tab[which]; 1969 struct addrinfo hints, *res; 1970 int error; 1971 1972 memset(&hints, 0, sizeof(hints)); 1973 hints.ai_family = AF_INET6; 1974 hints.ai_socktype = SOCK_DGRAM; 1975 #if 0 /* in_getaddr() allows FQDN */ 1976 hints.ai_flags = AI_NUMERICHOST; 1977 #endif 1978 error = getaddrinfo(s, "0", &hints, &res); 1979 if (error) 1980 errx(1, "%s: %s", s, gai_strerror(error)); 1981 if (res->ai_next) 1982 errx(1, "%s: resolved to multiple hosts", s); 1983 if (res->ai_addrlen != sizeof(struct sockaddr_in6)) 1984 errx(1, "%s: bad value", s); 1985 memcpy(sin6, res->ai_addr, res->ai_addrlen); 1986 freeaddrinfo(res); 1987 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) { 1988 *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = 1989 htons(sin6->sin6_scope_id); 1990 sin6->sin6_scope_id = 0; 1991 } 1992 #else 1993 struct sockaddr_in6 *sin = sin6tab[which]; 1994 1995 sin->sin6_len = sizeof(*sin); 1996 if (which != MASK) 1997 sin->sin6_family = AF_INET6; 1998 1999 if (which == ADDR) { 2000 char *p = NULL; 2001 if((p = strrchr(s, '/')) != NULL) { 2002 *p = '\0'; 2003 in6_getprefix(p + 1, MASK); 2004 explicit_prefix = 1; 2005 } 2006 } 2007 2008 if (inet_pton(AF_INET6, s, &sin->sin6_addr) != 1) 2009 errx(1, "%s: bad value", s); 2010 #endif 2011 } 2012 2013 void 2014 in6_getprefix(plen, which) 2015 char *plen; 2016 int which; 2017 { 2018 register struct sockaddr_in6 *sin = sin6tab[which]; 2019 register u_char *cp; 2020 int len = strtol(plen, (char **)NULL, 10); 2021 2022 if ((len < 0) || (len > 128)) 2023 errx(1, "%s: bad value", plen); 2024 sin->sin6_len = sizeof(*sin); 2025 if (which != MASK) 2026 sin->sin6_family = AF_INET6; 2027 if ((len == 0) || (len == 128)) { 2028 memset(&sin->sin6_addr, 0xff, sizeof(struct in6_addr)); 2029 return; 2030 } 2031 memset((void *)&sin->sin6_addr, 0x00, sizeof(sin->sin6_addr)); 2032 for (cp = (u_char *)&sin->sin6_addr; len > 7; len -= 8) 2033 *cp++ = 0xff; 2034 *cp = 0xff << (8 - len); 2035 } 2036 2037 int 2038 prefix(val, size) 2039 void *val; 2040 int size; 2041 { 2042 register u_char *name = (u_char *)val; 2043 register int byte, bit, plen = 0; 2044 2045 for (byte = 0; byte < size; byte++, plen += 8) 2046 if (name[byte] != 0xff) 2047 break; 2048 if (byte == size) 2049 return (plen); 2050 for (bit = 7; bit != 0; bit--, plen++) 2051 if (!(name[byte] & (1 << bit))) 2052 break; 2053 for (; bit != 0; bit--) 2054 if (name[byte] & (1 << bit)) 2055 return(0); 2056 byte++; 2057 for (; byte < size; byte++) 2058 if (name[byte]) 2059 return(0); 2060 return (plen); 2061 } 2062 #endif /*INET6*/ 2063 2064 #ifndef INET_ONLY 2065 void 2066 at_getaddr(addr, which) 2067 char *addr; 2068 int which; 2069 { 2070 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 2071 u_int net, node; 2072 2073 sat->sat_family = AF_APPLETALK; 2074 sat->sat_len = sizeof(*sat); 2075 if (which == MASK) 2076 errx(1, "AppleTalk does not use netmasks\n"); 2077 if (sscanf(addr, "%u.%u", &net, &node) != 2 2078 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 2079 errx(1, "%s: illegal address", addr); 2080 sat->sat_addr.s_net = htons(net); 2081 sat->sat_addr.s_node = node; 2082 } 2083 2084 void 2085 setatrange(range, d) 2086 char *range; 2087 int d; 2088 { 2089 u_short first = 123, last = 123; 2090 2091 if (sscanf(range, "%hu-%hu", &first, &last) != 2 2092 || first == 0 || first > 0xffff 2093 || last == 0 || last > 0xffff || first > last) 2094 errx(1, "%s: illegal net range: %u-%u", range, first, last); 2095 at_nr.nr_firstnet = htons(first); 2096 at_nr.nr_lastnet = htons(last); 2097 } 2098 2099 void 2100 setatphase(phase, d) 2101 char *phase; 2102 int d; 2103 { 2104 if (!strcmp(phase, "1")) 2105 at_nr.nr_phase = 1; 2106 else if (!strcmp(phase, "2")) 2107 at_nr.nr_phase = 2; 2108 else 2109 errx(1, "%s: illegal phase", phase); 2110 } 2111 2112 void 2113 checkatrange(sat) 2114 struct sockaddr_at *sat; 2115 { 2116 if (at_nr.nr_phase == 0) 2117 at_nr.nr_phase = 2; /* Default phase 2 */ 2118 if (at_nr.nr_firstnet == 0) 2119 at_nr.nr_firstnet = /* Default range of one */ 2120 at_nr.nr_lastnet = sat->sat_addr.s_net; 2121 printf("\tatalk %d.%d range %d-%d phase %d\n", 2122 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2123 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 2124 if ((u_short) ntohs(at_nr.nr_firstnet) > 2125 (u_short) ntohs(sat->sat_addr.s_net) 2126 || (u_short) ntohs(at_nr.nr_lastnet) < 2127 (u_short) ntohs(sat->sat_addr.s_net)) 2128 errx(1, "AppleTalk address is not in range"); 2129 *((struct netrange *) &sat->sat_zero) = at_nr; 2130 } 2131 2132 #define SNS(x) ((struct sockaddr_ns *) &(x)) 2133 struct sockaddr_ns *snstab[] = { 2134 SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 2135 SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 2136 2137 void 2138 xns_getaddr(addr, which) 2139 char *addr; 2140 int which; 2141 { 2142 struct sockaddr_ns *sns = snstab[which]; 2143 2144 sns->sns_family = AF_NS; 2145 sns->sns_len = sizeof(*sns); 2146 sns->sns_addr = ns_addr(addr); 2147 if (which == MASK) 2148 puts("Attempt to set XNS netmask will be ineffectual"); 2149 } 2150 2151 #define SISO(x) ((struct sockaddr_iso *) &(x)) 2152 struct sockaddr_iso *sisotab[] = { 2153 SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 2154 SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 2155 2156 void 2157 iso_getaddr(addr, which) 2158 char *addr; 2159 int which; 2160 { 2161 struct sockaddr_iso *siso = sisotab[which]; 2162 siso->siso_addr = *iso_addr(addr); 2163 2164 if (which == MASK) { 2165 siso->siso_len = TSEL(siso) - (caddr_t)(siso); 2166 siso->siso_nlen = 0; 2167 } else { 2168 siso->siso_len = sizeof(*siso); 2169 siso->siso_family = AF_ISO; 2170 } 2171 } 2172 2173 void 2174 setsnpaoffset(val, d) 2175 char *val; 2176 int d; 2177 { 2178 iso_addreq.ifra_snpaoffset = atoi(val); 2179 } 2180 2181 void 2182 setnsellength(val, d) 2183 char *val; 2184 int d; 2185 { 2186 nsellength = atoi(val); 2187 if (nsellength < 0) 2188 errx(1, "Negative NSEL length is absurd"); 2189 if (afp == 0 || afp->af_af != AF_ISO) 2190 errx(1, "Setting NSEL length valid only for iso"); 2191 } 2192 2193 void 2194 fixnsel(s) 2195 struct sockaddr_iso *s; 2196 { 2197 if (s->siso_family == 0) 2198 return; 2199 s->siso_tlen = nsellength; 2200 } 2201 2202 void 2203 adjust_nsellength() 2204 { 2205 fixnsel(sisotab[RIDADDR]); 2206 fixnsel(sisotab[ADDR]); 2207 fixnsel(sisotab[DSTADDR]); 2208 } 2209 2210 #endif /* INET_ONLY */ 2211 2212 void 2213 usage() 2214 { 2215 fprintf(stderr, 2216 "usage: ifconfig [ -m ] [ -A ] %s interface\n%s%s%s%s%s%s%s%s%s%s%s%s", 2217 #ifdef INET6 2218 "[ -L ]", 2219 #else 2220 "", 2221 #endif 2222 "\t[ af [ address [ dest_addr ] ] [ up ] [ down ] ", 2223 "[ netmask mask ] ]\n", 2224 "\t[ metric n ]\n", 2225 "\t[ mtu n ]\n", 2226 "\t[ arp | -arp ]\n", 2227 "\t[ media mtype ]\n", 2228 "\t[ mediaopt mopts ]\n", 2229 "\t[ -mediaopt mopts ]\n", 2230 "\t[ instance minst ]\n", 2231 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n", 2232 " ifconfig -a [ -A ] [ -m ] [ -d ] [ -u ] [ af ]\n", 2233 " ifconfig -l [ -d ] [ -u ]\n"); 2234 exit(1); 2235 } 2236 2237 #ifdef INET6 2238 char * 2239 sec2str(total) 2240 time_t total; 2241 { 2242 static char result[256]; 2243 int days, hours, mins, secs; 2244 int first = 1; 2245 char *p = result; 2246 2247 if (0) { /*XXX*/ 2248 days = total / 3600 / 24; 2249 hours = (total / 3600) % 24; 2250 mins = (total / 60) % 60; 2251 secs = total % 60; 2252 2253 if (days) { 2254 first = 0; 2255 p += sprintf(p, "%dd", days); 2256 } 2257 if (!first || hours) { 2258 first = 0; 2259 p += sprintf(p, "%dh", hours); 2260 } 2261 if (!first || mins) { 2262 first = 0; 2263 p += sprintf(p, "%dm", mins); 2264 } 2265 sprintf(p, "%ds", secs); 2266 } else 2267 sprintf(p, "%lu", (u_long)total); 2268 2269 return(result); 2270 } 2271 #endif 2272
Indexes created Tue Sep 30 11:09:46 GMT 2025