ifconfig.c revision 1.71
1 /* $NetBSD: ifconfig.c,v 1.71 2000/03/06 08:08:15 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 1.71 2000/03/06 08:08:15 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, 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 caddr_t af_ridreq; 312 caddr_t af_addreq; 313 } afs[] = { 314 #define C(x) ((caddr_t) &x) 315 { "inet", AF_INET, in_status, in_getaddr, NULL, 316 SIOCDIFADDR, SIOCAIFADDR, C(ridreq), C(addreq) }, 317 #ifdef INET6 318 { "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix, 319 SIOCDIFADDR_IN6, SIOCAIFADDR_IN6, C(in6_ridreq), C(in6_addreq) }, 320 #endif 321 #ifndef INET_ONLY /* small version, for boot media */ 322 { "atalk", AF_APPLETALK, at_status, at_getaddr, NULL, 323 SIOCDIFADDR, SIOCAIFADDR, C(addreq), C(addreq) }, 324 { "ns", AF_NS, xns_status, xns_getaddr, NULL, 325 SIOCDIFADDR, SIOCAIFADDR, C(ridreq), C(addreq) }, 326 { "iso", AF_ISO, iso_status, iso_getaddr, NULL, 327 SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, C(iso_ridreq), C(iso_addreq) }, 328 #endif /* INET_ONLY */ 329 { 0, 0, 0, 0 } 330 }; 331 332 struct afswtch *afp; /*the address family being set or asked about*/ 333 334 struct afswtch *lookup_af __P((const char *)); 335 336 int 337 main(argc, argv) 338 int argc; 339 char *argv[]; 340 { 341 int ch; 342 343 /* Parse command-line options */ 344 aflag = mflag = 0; 345 while ((ch = getopt(argc, argv, "Aabdlmsu" 346 #ifdef INET6 347 "L" 348 #endif 349 )) != -1) { 350 switch (ch) { 351 case 'A': 352 Aflag = 1; 353 break; 354 355 case 'a': 356 aflag = 1; 357 break; 358 359 case 'b': 360 bflag = 1; 361 break; 362 363 case 'd': 364 dflag = 1; 365 break; 366 367 #ifdef INET6 368 case 'L': 369 Lflag = 1; 370 break; 371 #endif 372 373 case 'l': 374 lflag = 1; 375 break; 376 377 case 'm': 378 mflag = 1; 379 break; 380 381 case 's': 382 sflag = 1; 383 break; 384 385 case 'u': 386 uflag = 1; 387 break; 388 389 390 default: 391 usage(); 392 /* NOTREACHED */ 393 } 394 } 395 argc -= optind; 396 argv += optind; 397 398 /* 399 * -l means "list all interfaces", and is mutally exclusive with 400 * all other flags/commands. 401 * 402 * -a means "print status of all interfaces". 403 */ 404 if (lflag && (aflag || mflag || Aflag || argc)) 405 usage(); 406 #ifdef INET6 407 if (lflag && Lflag) 408 usage(); 409 #endif 410 if (aflag || lflag) { 411 if (argc > 1) 412 usage(); 413 else if (argc == 1) { 414 afp = lookup_af(argv[0]); 415 if (afp == NULL) 416 usage(); 417 } 418 if (afp) 419 af = ifr.ifr_addr.sa_family = afp->af_af; 420 else 421 af = ifr.ifr_addr.sa_family = afs[0].af_af; 422 printall(); 423 exit(0); 424 } 425 426 /* Make sure there's an interface name. */ 427 if (argc < 1) 428 usage(); 429 (void) strncpy(name, argv[0], sizeof(name)); 430 argc--; argv++; 431 432 /* Check for address family. */ 433 afp = NULL; 434 if (argc > 0) { 435 afp = lookup_af(argv[0]); 436 if (afp != NULL) { 437 argv++; 438 argc--; 439 } 440 } 441 442 /* Initialize af, just for use in getinfo(). */ 443 if (afp == NULL) 444 af = afs->af_af; 445 else 446 af = afp->af_af; 447 448 /* Get information about the interface. */ 449 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 450 if (getinfo(&ifr) < 0) 451 exit(1); 452 453 if (sflag) { 454 if (argc != 0) 455 usage(); 456 else 457 exit(carrier()); 458 } 459 460 /* No more arguments means interface status. */ 461 if (argc == 0) { 462 status(NULL, 0); 463 exit(0); 464 } 465 466 /* The following operations assume inet family as the default. */ 467 if (afp == NULL) 468 afp = afs; 469 af = ifr.ifr_addr.sa_family = afp->af_af; 470 471 #ifdef INET6 472 /* initialization */ 473 in6_addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; 474 in6_addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; 475 #endif 476 477 /* Process commands. */ 478 while (argc > 0) { 479 struct cmd *p; 480 481 for (p = cmds; p->c_name; p++) 482 if (strcmp(argv[0], p->c_name) == 0) 483 break; 484 if (p->c_name == 0 && setaddr) { 485 if ((flags & IFF_POINTOPOINT) == 0) { 486 errx(1, "can't set destination address %s", 487 "on non-point-to-point link"); 488 } 489 p++; /* got src, do dst */ 490 } 491 if (p->c_func) { 492 if (p->c_parameter == NEXTARG) { 493 if (argc < 2) 494 errx(1, "'%s' requires argument", 495 p->c_name); 496 (*p->c_func)(argv[1], 0); 497 argc--, argv++; 498 } else 499 (*p->c_func)(argv[0], p->c_parameter); 500 actions |= p->c_action; 501 } 502 argc--, argv++; 503 } 504 505 /* Process any media commands that may have been issued. */ 506 process_media_commands(); 507 508 if (af == AF_INET6 && explicit_prefix == 0) { 509 /* 510 * Aggregatable address architecture defines all prefixes 511 * are 64. So, it is convenient to set prefixlen to 64 if 512 * it is not specified. 513 */ 514 setifprefixlen("64", 0); 515 /* in6_getprefix("64", MASK) if MASK is available here... */ 516 } 517 518 #ifndef INET_ONLY 519 if (af == AF_ISO) 520 adjust_nsellength(); 521 522 if (af == AF_APPLETALK) 523 checkatrange((struct sockaddr_at *) &addreq.ifra_addr); 524 525 if (setipdst && af==AF_NS) { 526 struct nsip_req rq; 527 int size = sizeof(rq); 528 529 rq.rq_ns = addreq.ifra_addr; 530 rq.rq_ip = addreq.ifra_dstaddr; 531 532 if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0) 533 warn("encapsulation routing"); 534 } 535 536 #endif /* INET_ONLY */ 537 538 if (clearaddr) { 539 int ret; 540 (void) strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name); 541 if ((ret = ioctl(s, afp->af_difaddr, afp->af_ridreq)) < 0) { 542 if (errno == EADDRNOTAVAIL && (doalias >= 0)) { 543 /* means no previous address for interface */ 544 } else 545 warn("SIOCDIFADDR"); 546 } 547 } 548 if (newaddr > 0) { 549 (void) strncpy(afp->af_addreq, name, sizeof ifr.ifr_name); 550 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) < 0) 551 warn("SIOCAIFADDR"); 552 } 553 if (reset_if_flags && ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifr) < 0) 554 err(1, "SIOCSIFFLAGS"); 555 exit(0); 556 } 557 558 struct afswtch * 559 lookup_af(cp) 560 const char *cp; 561 { 562 struct afswtch *a; 563 564 for (a = afs; a->af_name != NULL; a++) 565 if (strcmp(a->af_name, cp) == 0) 566 return (a); 567 return (NULL); 568 } 569 570 void 571 getsock(naf) 572 int naf; 573 { 574 static int oaf = -1; 575 576 if (oaf == naf) 577 return; 578 if (oaf != -1) 579 close(s); 580 s = socket(naf, SOCK_DGRAM, 0); 581 if (s < 0) 582 oaf = -1; 583 else 584 oaf = naf; 585 } 586 587 int 588 getinfo(ifr) 589 struct ifreq *ifr; 590 { 591 592 getsock(af); 593 if (s < 0) 594 err(1, "socket"); 595 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)ifr) < 0) { 596 warn("SIOCGIFFLAGS %s", ifr->ifr_name); 597 return (-1); 598 } 599 flags = ifr->ifr_flags; 600 if (ioctl(s, SIOCGIFMETRIC, (caddr_t)ifr) < 0) { 601 warn("SIOCGIFMETRIC %s", ifr->ifr_name); 602 metric = 0; 603 } else 604 metric = ifr->ifr_metric; 605 if (ioctl(s, SIOCGIFMTU, (caddr_t)ifr) < 0) 606 mtu = 0; 607 else 608 mtu = ifr->ifr_mtu; 609 return (0); 610 } 611 612 void 613 printalias(iname, af) 614 const char *iname; 615 int af; 616 { 617 char inbuf[8192]; 618 struct ifconf ifc; 619 struct ifreq *ifr; 620 int i, siz; 621 char ifrbuf[8192], *cp; 622 623 ifc.ifc_len = sizeof(inbuf); 624 ifc.ifc_buf = inbuf; 625 getsock(af); 626 if (s < 0) 627 err(1, "socket"); 628 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 629 err(1, "SIOCGIFCONF"); 630 ifr = ifc.ifc_req; 631 for (i = 0; i < ifc.ifc_len; ) { 632 /* Copy the mininum ifreq into the buffer. */ 633 cp = ((caddr_t)ifc.ifc_req + i); 634 memcpy(ifrbuf, cp, sizeof(*ifr)); 635 636 /* Now compute the actual size of the ifreq. */ 637 ifr = (struct ifreq *)ifrbuf; 638 siz = ifr->ifr_addr.sa_len; 639 if (siz < sizeof(ifr->ifr_addr)) 640 siz = sizeof(ifr->ifr_addr); 641 siz += sizeof(ifr->ifr_name); 642 i += siz; 643 644 /* Now copy the whole thing. */ 645 if (sizeof(ifrbuf) < siz) 646 errx(1, "ifr too big"); 647 memcpy(ifrbuf, cp, siz); 648 649 if (!strncmp(iname, ifr->ifr_name, sizeof(ifr->ifr_name))) { 650 if (ifr->ifr_addr.sa_family == af) 651 switch (af) { 652 case AF_INET: 653 in_alias(ifr); 654 break; 655 default: 656 /*none*/ 657 } 658 continue; 659 } 660 } 661 } 662 663 void 664 printall() 665 { 666 char inbuf[8192]; 667 const struct sockaddr_dl *sdl = NULL; 668 struct ifconf ifc; 669 struct ifreq ifreq, *ifr; 670 int i, siz, idx; 671 char ifrbuf[8192], *cp; 672 673 ifc.ifc_len = sizeof(inbuf); 674 ifc.ifc_buf = inbuf; 675 getsock(af); 676 if (s < 0) 677 err(1, "socket"); 678 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 679 err(1, "SIOCGIFCONF"); 680 ifr = ifc.ifc_req; 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 /* 756 * Delay the ioctl to set the interface addr until flags are all set. 757 * The address interpretation may depend on the flags, 758 * and the flags may change when the address is set. 759 */ 760 setaddr++; 761 if (newaddr == -1) 762 newaddr = 1; 763 if (doalias == 0) 764 clearaddr = 1; 765 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 766 } 767 768 void 769 setifnetmask(addr, d) 770 char *addr; 771 int d; 772 { 773 (*afp->af_getaddr)(addr, MASK); 774 } 775 776 void 777 setifbroadaddr(addr, d) 778 char *addr; 779 int d; 780 { 781 (*afp->af_getaddr)(addr, DSTADDR); 782 } 783 784 void 785 setifipdst(addr, d) 786 char *addr; 787 int d; 788 { 789 in_getaddr(addr, DSTADDR); 790 setipdst++; 791 clearaddr = 0; 792 newaddr = 0; 793 } 794 795 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 796 /*ARGSUSED*/ 797 void 798 notealias(addr, param) 799 char *addr; 800 int param; 801 { 802 if (setaddr && doalias == 0 && param < 0) 803 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 804 rqtosa(af_addreq)->sa_len); 805 doalias = param; 806 if (param < 0) { 807 clearaddr = 1; 808 newaddr = 0; 809 } else 810 clearaddr = 0; 811 } 812 813 /*ARGSUSED*/ 814 void 815 notrailers(vname, value) 816 char *vname; 817 int value; 818 { 819 puts("Note: trailers are no longer sent, but always received"); 820 } 821 822 /*ARGSUSED*/ 823 void 824 setifdstaddr(addr, param) 825 char *addr; 826 int param; 827 { 828 (*afp->af_getaddr)(addr, DSTADDR); 829 } 830 831 void 832 setifflags(vname, value) 833 char *vname; 834 int value; 835 { 836 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifr) < 0) 837 err(1, "SIOCGIFFLAGS"); 838 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 839 flags = ifr.ifr_flags; 840 841 if (value < 0) { 842 value = -value; 843 flags &= ~value; 844 } else 845 flags |= value; 846 ifr.ifr_flags = flags; 847 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifr) < 0) 848 err(1, "SIOCSIFFLAGS"); 849 850 reset_if_flags = 1; 851 } 852 853 #ifdef INET6 854 void 855 setia6flags(vname, value) 856 char *vname; 857 int value; 858 { 859 if (value < 0) { 860 value = -value; 861 in6_addreq.ifra_flags &= ~value; 862 } else 863 in6_addreq.ifra_flags |= value; 864 } 865 866 void 867 setia6pltime(val, d) 868 char *val; 869 int d; 870 { 871 setia6lifetime("pltime", val); 872 } 873 874 void 875 setia6vltime(val, d) 876 char *val; 877 int d; 878 { 879 setia6lifetime("vltime", val); 880 } 881 882 void 883 setia6lifetime(cmd, val) 884 char *cmd; 885 char *val; 886 { 887 time_t newval, t; 888 char *ep; 889 890 t = time(NULL); 891 newval = (time_t)strtoul(val, &ep, 0); 892 if (val == ep) 893 errx(1, "invalid %s", cmd); 894 if (afp->af_af != AF_INET6) 895 errx(1, "%s not allowed for the AF", cmd); 896 if (strcmp(cmd, "vltime") == 0) { 897 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 898 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 899 } else if (strcmp(cmd, "pltime") == 0) { 900 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 901 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 902 } 903 } 904 #endif 905 906 void 907 setifmetric(val, d) 908 char *val; 909 int d; 910 { 911 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 912 ifr.ifr_metric = atoi(val); 913 if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) < 0) 914 warn("SIOCSIFMETRIC"); 915 } 916 917 void 918 setifmtu(val, d) 919 char *val; 920 int d; 921 { 922 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 923 ifr.ifr_mtu = atoi(val); 924 if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) < 0) 925 warn("SIOCSIFMTU"); 926 } 927 928 void 929 setifnwid(val, d) 930 char *val; 931 int d; 932 { 933 u_int8_t nwid[IEEE80211_NWID_LEN]; 934 935 memset(&nwid, 0, sizeof(nwid)); 936 (void)strncpy(nwid, val, sizeof(nwid)); 937 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 938 ifr.ifr_data = (caddr_t)nwid; 939 if (ioctl(s, SIOCS80211NWID, (caddr_t)&ifr) < 0) 940 warn("SIOCS80211NWID"); 941 } 942 943 void 944 ieee80211_status() 945 { 946 u_int8_t nwid[IEEE80211_NWID_LEN + 1]; 947 948 memset(&ifr, 0, sizeof(ifr)); 949 ifr.ifr_data = (caddr_t)nwid; 950 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 951 nwid[IEEE80211_NWID_LEN] = 0; 952 if (ioctl(s, SIOCG80211NWID, (caddr_t)&ifr) == 0) 953 printf("\tnwid %s\n", nwid); 954 } 955 956 void 957 init_current_media() 958 { 959 struct ifmediareq ifmr; 960 961 /* 962 * If we have not yet done so, grab the currently-selected 963 * media. 964 */ 965 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 966 (void) memset(&ifmr, 0, sizeof(ifmr)); 967 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 968 969 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 970 /* 971 * If we get E2BIG, the kernel is telling us 972 * that there are more, so we can ignore it. 973 */ 974 if (errno != E2BIG) 975 err(1, "SGIOCGIFMEDIA"); 976 } 977 978 media_current = ifmr.ifm_current; 979 } 980 981 /* Sanity. */ 982 if (IFM_TYPE(media_current) == 0) 983 errx(1, "%s: no link type?", name); 984 } 985 986 void 987 process_media_commands() 988 { 989 990 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 991 /* Nothing to do. */ 992 return; 993 } 994 995 /* 996 * Media already set up, and commands sanity-checked. Set/clear 997 * any options, and we're ready to go. 998 */ 999 media_current |= mediaopt_set; 1000 media_current &= ~mediaopt_clear; 1001 1002 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1003 ifr.ifr_media = media_current; 1004 1005 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0) 1006 err(1, "SIOCSIFMEDIA"); 1007 } 1008 1009 void 1010 setmedia(val, d) 1011 char *val; 1012 int d; 1013 { 1014 int type, subtype, inst; 1015 1016 init_current_media(); 1017 1018 /* Only one media command may be given. */ 1019 if (actions & A_MEDIA) 1020 errx(1, "only one `media' command may be issued"); 1021 1022 /* Must not come after mediaopt commands */ 1023 if (actions & A_MEDIAOPT) 1024 errx(1, "may not issue `media' after `mediaopt' commands"); 1025 1026 /* 1027 * No need to check if `instance' has been issued; setmediainst() 1028 * craps out if `media' has not been specified. 1029 */ 1030 1031 type = IFM_TYPE(media_current); 1032 inst = IFM_INST(media_current); 1033 1034 /* Look up the subtype. */ 1035 subtype = get_media_subtype(type, val); 1036 1037 /* Build the new current media word. */ 1038 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1039 1040 /* Media will be set after other processing is complete. */ 1041 } 1042 1043 void 1044 setmediaopt(val, d) 1045 char *val; 1046 int d; 1047 { 1048 1049 init_current_media(); 1050 1051 /* Can only issue `mediaopt' once. */ 1052 if (actions & A_MEDIAOPTSET) 1053 errx(1, "only one `mediaopt' command may be issued"); 1054 1055 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1056 if (actions & A_MEDIAINST) 1057 errx(1, "may not issue `mediaopt' after `instance'"); 1058 1059 mediaopt_set = get_media_options(IFM_TYPE(media_current), val); 1060 1061 /* Media will be set after other processing is complete. */ 1062 } 1063 1064 void 1065 unsetmediaopt(val, d) 1066 char *val; 1067 int d; 1068 { 1069 1070 init_current_media(); 1071 1072 /* Can only issue `-mediaopt' once. */ 1073 if (actions & A_MEDIAOPTCLR) 1074 errx(1, "only one `-mediaopt' command may be issued"); 1075 1076 /* May not issue `media' and `-mediaopt'. */ 1077 if (actions & A_MEDIA) 1078 errx(1, "may not issue both `media' and `-mediaopt'"); 1079 1080 /* 1081 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1082 * implicitly checks for A_MEDIAINST. 1083 */ 1084 1085 mediaopt_clear = get_media_options(IFM_TYPE(media_current), val); 1086 1087 /* Media will be set after other processing is complete. */ 1088 } 1089 1090 void 1091 setmediainst(val, d) 1092 char *val; 1093 int d; 1094 { 1095 int type, subtype, options, inst; 1096 1097 init_current_media(); 1098 1099 /* Can only issue `instance' once. */ 1100 if (actions & A_MEDIAINST) 1101 errx(1, "only one `instance' command may be issued"); 1102 1103 /* Must have already specified `media' */ 1104 if ((actions & A_MEDIA) == 0) 1105 errx(1, "must specify `media' before `instance'"); 1106 1107 type = IFM_TYPE(media_current); 1108 subtype = IFM_SUBTYPE(media_current); 1109 options = IFM_OPTIONS(media_current); 1110 1111 inst = atoi(val); 1112 if (inst < 0 || inst > IFM_INST_MAX) 1113 errx(1, "invalid media instance: %s", val); 1114 1115 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1116 1117 /* Media will be set after other processing is complete. */ 1118 } 1119 1120 struct ifmedia_description ifm_type_descriptions[] = 1121 IFM_TYPE_DESCRIPTIONS; 1122 1123 struct ifmedia_description ifm_subtype_descriptions[] = 1124 IFM_SUBTYPE_DESCRIPTIONS; 1125 1126 struct ifmedia_description ifm_option_descriptions[] = 1127 IFM_OPTION_DESCRIPTIONS; 1128 1129 const char * 1130 get_media_type_string(mword) 1131 int mword; 1132 { 1133 struct ifmedia_description *desc; 1134 1135 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; 1136 desc++) { 1137 if (IFM_TYPE(mword) == desc->ifmt_word) 1138 return (desc->ifmt_string); 1139 } 1140 return ("<unknown type>"); 1141 } 1142 1143 const char * 1144 get_media_subtype_string(mword) 1145 int mword; 1146 { 1147 struct ifmedia_description *desc; 1148 1149 for (desc = ifm_subtype_descriptions; desc->ifmt_string != NULL; 1150 desc++) { 1151 if (IFM_TYPE_MATCH(desc->ifmt_word, mword) && 1152 IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(mword)) 1153 return (desc->ifmt_string); 1154 } 1155 return ("<unknown subtype>"); 1156 } 1157 1158 int 1159 get_media_subtype(type, val) 1160 int type; 1161 const char *val; 1162 { 1163 int rval; 1164 1165 rval = lookup_media_word(ifm_subtype_descriptions, type, val); 1166 if (rval == -1) 1167 errx(1, "unknown %s media subtype: %s", 1168 get_media_type_string(type), val); 1169 1170 return (rval); 1171 } 1172 1173 int 1174 get_media_options(type, val) 1175 int type; 1176 const char *val; 1177 { 1178 char *optlist, *str; 1179 int option, rval = 0; 1180 1181 /* We muck with the string, so copy it. */ 1182 optlist = strdup(val); 1183 if (optlist == NULL) 1184 err(1, "strdup"); 1185 str = optlist; 1186 1187 /* 1188 * Look up the options in the user-provided comma-separated list. 1189 */ 1190 for (; (str = strtok(str, ",")) != NULL; str = NULL) { 1191 option = lookup_media_word(ifm_option_descriptions, type, str); 1192 if (option == -1) 1193 errx(1, "unknown %s media option: %s", 1194 get_media_type_string(type), str); 1195 rval |= IFM_OPTIONS(option); 1196 } 1197 1198 free(optlist); 1199 return (rval); 1200 } 1201 1202 int 1203 lookup_media_word(desc, type, val) 1204 struct ifmedia_description *desc; 1205 int type; 1206 const char *val; 1207 { 1208 1209 for (; desc->ifmt_string != NULL; desc++) { 1210 if (IFM_TYPE_MATCH(desc->ifmt_word, type) && 1211 strcasecmp(desc->ifmt_string, val) == 0) 1212 return (desc->ifmt_word); 1213 } 1214 return (-1); 1215 } 1216 1217 void 1218 print_media_word(ifmw, print_type, as_syntax) 1219 int ifmw, print_type, as_syntax; 1220 { 1221 struct ifmedia_description *desc; 1222 int seen_option = 0; 1223 1224 if (print_type) 1225 printf("%s ", get_media_type_string(ifmw)); 1226 printf("%s%s", as_syntax ? "media " : "", 1227 get_media_subtype_string(ifmw)); 1228 1229 /* Find options. */ 1230 for (desc = ifm_option_descriptions; desc->ifmt_string != NULL; 1231 desc++) { 1232 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && 1233 (ifmw & IFM_OPTIONS(desc->ifmt_word)) != 0 && 1234 (seen_option & IFM_OPTIONS(desc->ifmt_word)) == 0) { 1235 if (seen_option == 0) 1236 printf(" %s", as_syntax ? "mediaopt " : ""); 1237 printf("%s%s", seen_option ? "," : "", 1238 desc->ifmt_string); 1239 seen_option |= IFM_OPTIONS(desc->ifmt_word); 1240 } 1241 } 1242 if (IFM_INST(ifmw) != 0) 1243 printf(" instance %d", IFM_INST(ifmw)); 1244 } 1245 1246 int carrier() 1247 { 1248 struct ifmediareq ifmr; 1249 1250 (void) memset(&ifmr, 0, sizeof(ifmr)); 1251 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1252 1253 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1254 /* 1255 * Interface doesn't support SIOC{G,S}IFMEDIA; 1256 * assume ok. 1257 */ 1258 return 0; 1259 } 1260 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1261 /* 1262 * Interface doesn't report media-valid status. 1263 * assume ok. 1264 */ 1265 return 0; 1266 } 1267 /* otherwise, return ok for active, not-ok if not active. */ 1268 return !(ifmr.ifm_status & IFM_ACTIVE); 1269 } 1270 1271 1272 #define IFFBITS \ 1273 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 1274 \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 1275 1276 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1277 1278 const struct ifmedia_status_description ifm_status_descriptions[] = 1279 IFM_STATUS_DESCRIPTIONS; 1280 1281 /* 1282 * Print the status of the interface. If an address family was 1283 * specified, show it and it only; otherwise, show them all. 1284 */ 1285 void 1286 status(ap, alen) 1287 const u_int8_t *ap; 1288 int alen; 1289 { 1290 struct afswtch *p = afp; 1291 struct ifmediareq ifmr; 1292 int *media_list, i; 1293 1294 printf("%s: ", name); 1295 printb("flags", flags, IFFBITS); 1296 if (metric) 1297 printf(" metric %d", metric); 1298 if (mtu) 1299 printf(" mtu %d", mtu); 1300 putchar('\n'); 1301 1302 ieee80211_status(); 1303 1304 if (ap && alen > 0) { 1305 printf("\taddress:"); 1306 for (i = 0; i < alen; i++, ap++) 1307 printf("%c%02x", i > 0 ? ':' : ' ', *ap); 1308 putchar('\n'); 1309 } 1310 1311 (void) memset(&ifmr, 0, sizeof(ifmr)); 1312 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1313 1314 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1315 /* 1316 * Interface doesn't support SIOC{G,S}IFMEDIA. 1317 */ 1318 goto proto_status; 1319 } 1320 1321 if (ifmr.ifm_count == 0) { 1322 warnx("%s: no media types?", name); 1323 goto proto_status; 1324 } 1325 1326 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1327 if (media_list == NULL) 1328 err(1, "malloc"); 1329 ifmr.ifm_ulist = media_list; 1330 1331 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) 1332 err(1, "SIOCGIFMEDIA"); 1333 1334 printf("\tmedia: "); 1335 print_media_word(ifmr.ifm_current, 1, 0); 1336 if (ifmr.ifm_active != ifmr.ifm_current) { 1337 putchar(' '); 1338 putchar('('); 1339 print_media_word(ifmr.ifm_active, 0, 0); 1340 putchar(')'); 1341 } 1342 putchar('\n'); 1343 1344 if (ifmr.ifm_status & IFM_STATUS_VALID) { 1345 const struct ifmedia_status_description *ifms; 1346 int bitno, found = 0; 1347 1348 printf("\tstatus: "); 1349 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 1350 for (ifms = ifm_status_descriptions; 1351 ifms->ifms_valid != 0; ifms++) { 1352 if (ifms->ifms_type != 1353 IFM_TYPE(ifmr.ifm_current) || 1354 ifms->ifms_valid != 1355 ifm_status_valid_list[bitno]) 1356 continue; 1357 printf("%s%s", found ? ", " : "", 1358 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 1359 found = 1; 1360 1361 /* 1362 * For each valid indicator bit, there's 1363 * only one entry for each media type, so 1364 * terminate the inner loop now. 1365 */ 1366 break; 1367 } 1368 } 1369 1370 if (found == 0) 1371 printf("unknown"); 1372 putchar('\n'); 1373 } 1374 1375 if (mflag) { 1376 int type, printed_type; 1377 1378 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 1379 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 1380 if (IFM_TYPE(media_list[i]) == type) { 1381 if (printed_type == 0) { 1382 printf("\tsupported %s media:\n", 1383 get_media_type_string(type)); 1384 printed_type = 1; 1385 } 1386 printf("\t\t"); 1387 print_media_word(media_list[i], 0, 1); 1388 printf("\n"); 1389 } 1390 } 1391 } 1392 } 1393 1394 free(media_list); 1395 1396 proto_status: 1397 if ((p = afp) != NULL) { 1398 (*p->af_status)(1); 1399 if (Aflag & !aflag) 1400 printalias(name, p->af_af); 1401 } else for (p = afs; p->af_name; p++) { 1402 ifr.ifr_addr.sa_family = p->af_af; 1403 (*p->af_status)(0); 1404 if (Aflag & !aflag && p->af_af == AF_INET) 1405 printalias(name, p->af_af); 1406 } 1407 } 1408 1409 void 1410 in_alias(creq) 1411 struct ifreq *creq; 1412 { 1413 struct sockaddr_in *sin; 1414 1415 if (lflag) 1416 return; 1417 1418 /* Get the non-alias address for this interface. */ 1419 getsock(AF_INET); 1420 if (s < 0) { 1421 if (errno == EPROTONOSUPPORT) 1422 return; 1423 err(1, "socket"); 1424 } 1425 (void) memset(&ifr, 0, sizeof(ifr)); 1426 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1427 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 1428 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1429 return; 1430 } else 1431 warn("SIOCGIFADDR"); 1432 } 1433 /* If creq and ifr are the same address, this is not an alias. */ 1434 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 1435 sizeof(creq->ifr_addr)) == 0) 1436 return; 1437 (void) memset(&addreq, 0, sizeof(addreq)); 1438 (void) strncpy(addreq.ifra_name, name, sizeof(addreq.ifra_name)); 1439 addreq.ifra_addr = creq->ifr_addr; 1440 if (ioctl(s, SIOCGIFALIAS, (caddr_t)&addreq) < 0) { 1441 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1442 return; 1443 } else 1444 warn("SIOCGIFALIAS"); 1445 } 1446 1447 sin = (struct sockaddr_in *)&addreq.ifra_addr; 1448 printf("\tinet alias %s", inet_ntoa(sin->sin_addr)); 1449 1450 if (flags & IFF_POINTOPOINT) { 1451 sin = (struct sockaddr_in *)&addreq.ifra_dstaddr; 1452 printf(" -> %s", inet_ntoa(sin->sin_addr)); 1453 } 1454 1455 sin = (struct sockaddr_in *)&addreq.ifra_mask; 1456 printf(" netmask 0x%x", ntohl(sin->sin_addr.s_addr)); 1457 1458 if (flags & IFF_BROADCAST) { 1459 sin = (struct sockaddr_in *)&addreq.ifra_broadaddr; 1460 printf(" broadcast %s", inet_ntoa(sin->sin_addr)); 1461 } 1462 printf("\n"); 1463 } 1464 1465 void 1466 in_status(force) 1467 int force; 1468 { 1469 struct sockaddr_in *sin; 1470 1471 getsock(AF_INET); 1472 if (s < 0) { 1473 if (errno == EPROTONOSUPPORT) 1474 return; 1475 err(1, "socket"); 1476 } 1477 (void) memset(&ifr, 0, sizeof(ifr)); 1478 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1479 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 1480 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1481 if (!force) 1482 return; 1483 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1484 } else 1485 warn("SIOCGIFADDR"); 1486 } 1487 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1488 sin = (struct sockaddr_in *)&ifr.ifr_addr; 1489 printf("\tinet %s ", inet_ntoa(sin->sin_addr)); 1490 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1491 if (ioctl(s, SIOCGIFNETMASK, (caddr_t)&ifr) < 0) { 1492 if (errno != EADDRNOTAVAIL) 1493 warn("SIOCGIFNETMASK"); 1494 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1495 } else 1496 netmask.sin_addr = 1497 ((struct sockaddr_in *)&ifr.ifr_addr)->sin_addr; 1498 if (flags & IFF_POINTOPOINT) { 1499 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 1500 if (errno == EADDRNOTAVAIL) 1501 (void) memset(&ifr.ifr_addr, 0, 1502 sizeof(ifr.ifr_addr)); 1503 else 1504 warn("SIOCGIFDSTADDR"); 1505 } 1506 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1507 sin = (struct sockaddr_in *)&ifr.ifr_dstaddr; 1508 printf("--> %s ", inet_ntoa(sin->sin_addr)); 1509 } 1510 printf("netmask 0x%x ", ntohl(netmask.sin_addr.s_addr)); 1511 if (flags & IFF_BROADCAST) { 1512 if (ioctl(s, SIOCGIFBRDADDR, (caddr_t)&ifr) < 0) { 1513 if (errno == EADDRNOTAVAIL) 1514 (void) memset(&ifr.ifr_addr, 0, 1515 sizeof(ifr.ifr_addr)); 1516 else 1517 warn("SIOCGIFBRDADDR"); 1518 } 1519 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1520 sin = (struct sockaddr_in *)&ifr.ifr_addr; 1521 if (sin->sin_addr.s_addr != 0) 1522 printf("broadcast %s", inet_ntoa(sin->sin_addr)); 1523 } 1524 putchar('\n'); 1525 } 1526 1527 void 1528 setifprefixlen(addr, d) 1529 char *addr; 1530 int d; 1531 { 1532 if (*afp->af_getprefix) 1533 (*afp->af_getprefix)(addr, MASK); 1534 explicit_prefix = 1; 1535 } 1536 1537 #ifdef INET6 1538 void 1539 in6_fillscopeid(sin6) 1540 struct sockaddr_in6 *sin6; 1541 { 1542 #if defined(__KAME__) && defined(KAME_SCOPEID) 1543 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1544 sin6->sin6_scope_id = 1545 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 1546 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 1547 } 1548 #endif 1549 } 1550 1551 /* XXX not really an alias */ 1552 void 1553 in6_alias(creq) 1554 struct in6_ifreq *creq; 1555 { 1556 struct sockaddr_in6 *sin6; 1557 char hbuf[NI_MAXHOST]; 1558 u_int32_t scopeid; 1559 #ifdef NI_WITHSCOPEID 1560 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 1561 #else 1562 const int niflag = NI_NUMERICHOST; 1563 #endif 1564 1565 /* Get the non-alias address for this interface. */ 1566 getsock(AF_INET6); 1567 if (s < 0) { 1568 if (errno == EPROTONOSUPPORT) 1569 return; 1570 err(1, "socket"); 1571 } 1572 1573 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 1574 1575 in6_fillscopeid(sin6); 1576 scopeid = sin6->sin6_scope_id; 1577 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 1578 hbuf, sizeof(hbuf), NULL, 0, niflag)) 1579 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 1580 printf("\tinet6 %s", hbuf); 1581 1582 if (flags & IFF_POINTOPOINT) { 1583 (void) memset(&ifr6, 0, sizeof(ifr6)); 1584 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 1585 ifr6.ifr_addr = creq->ifr_addr; 1586 if (ioctl(s, SIOCGIFDSTADDR_IN6, (caddr_t)&ifr6) < 0) { 1587 if (errno != EADDRNOTAVAIL) 1588 warn("SIOCGIFDSTADDR_IN6"); 1589 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 1590 ifr6.ifr_addr.sin6_family = AF_INET6; 1591 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 1592 } 1593 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 1594 in6_fillscopeid(sin6); 1595 hbuf[0] = '\0'; 1596 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 1597 hbuf, sizeof(hbuf), NULL, 0, niflag)) 1598 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 1599 printf(" -> %s", hbuf); 1600 } 1601 1602 (void) memset(&ifr6, 0, sizeof(ifr6)); 1603 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 1604 ifr6.ifr_addr = creq->ifr_addr; 1605 if (ioctl(s, SIOCGIFNETMASK_IN6, (caddr_t)&ifr6) < 0) { 1606 if (errno != EADDRNOTAVAIL) 1607 warn("SIOCGIFNETMASK_IN6"); 1608 } else { 1609 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 1610 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 1611 sizeof(struct in6_addr))); 1612 } 1613 1614 (void) memset(&ifr6, 0, sizeof(ifr6)); 1615 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 1616 ifr6.ifr_addr = creq->ifr_addr; 1617 if (ioctl(s, SIOCGIFAFLAG_IN6, (caddr_t)&ifr6) < 0) { 1618 if (errno != EADDRNOTAVAIL) 1619 warn("SIOCGIFAFLAG_IN6"); 1620 } else { 1621 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 1622 printf(" anycast"); 1623 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 1624 printf(" tentative"); 1625 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 1626 printf(" duplicated"); 1627 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 1628 printf(" detached"); 1629 } 1630 1631 if (scopeid) 1632 printf(" scopeid 0x%x", scopeid); 1633 1634 if (Lflag) { 1635 struct in6_addrlifetime *lifetime; 1636 (void) memset(&ifr6, 0, sizeof(ifr6)); 1637 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 1638 ifr6.ifr_addr = creq->ifr_addr; 1639 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 1640 if (ioctl(s, SIOCGIFALIFETIME_IN6, (caddr_t)&ifr6) < 0) { 1641 if (errno != EADDRNOTAVAIL) 1642 warn("SIOCGIFALIFETIME_IN6"); 1643 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 1644 time_t t = time(NULL); 1645 printf(" pltime "); 1646 if (lifetime->ia6t_preferred) { 1647 printf("%s", lifetime->ia6t_preferred < t 1648 ? "0" 1649 : sec2str(lifetime->ia6t_preferred - t)); 1650 } else 1651 printf("infty"); 1652 1653 printf(" vltime "); 1654 if (lifetime->ia6t_expire) { 1655 printf("%s", lifetime->ia6t_expire < t 1656 ? "0" 1657 : sec2str(lifetime->ia6t_expire - t)); 1658 } else 1659 printf("infty"); 1660 } 1661 } 1662 1663 printf("\n"); 1664 } 1665 1666 void 1667 in6_status(force) 1668 int force; 1669 { 1670 char inbuf[8192]; 1671 struct ifconf ifc; 1672 struct ifreq *ifr; 1673 int i, siz; 1674 char ifrbuf[8192], *cp; 1675 1676 ifc.ifc_len = sizeof(inbuf); 1677 ifc.ifc_buf = inbuf; 1678 getsock(af); 1679 if (s < 0) 1680 err(1, "socket"); 1681 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 1682 err(1, "SIOCGIFCONF"); 1683 ifr = ifc.ifc_req; 1684 for (i = 0; i < ifc.ifc_len; ) { 1685 /* Copy the mininum ifreq into the buffer. */ 1686 cp = ((caddr_t)ifc.ifc_req + i); 1687 memcpy(ifrbuf, cp, sizeof(*ifr)); 1688 1689 /* Now compute the actual size of the ifreq. */ 1690 ifr = (struct ifreq *)ifrbuf; 1691 siz = ifr->ifr_addr.sa_len; 1692 if (siz < sizeof(ifr->ifr_addr)) 1693 siz = sizeof(ifr->ifr_addr); 1694 siz += sizeof(ifr->ifr_name); 1695 i += siz; 1696 1697 /* Now copy the whole thing. */ 1698 if (sizeof(ifrbuf) < siz) 1699 errx(1, "ifr too big"); 1700 memcpy(ifrbuf, cp, siz); 1701 1702 if (!strncmp(name, ifr->ifr_name, sizeof(ifr->ifr_name))) { 1703 if (ifr->ifr_addr.sa_family == AF_INET6) 1704 in6_alias((struct in6_ifreq *)ifr); 1705 } 1706 } 1707 } 1708 #endif /*INET6*/ 1709 1710 #ifndef INET_ONLY 1711 1712 void 1713 at_status(force) 1714 int force; 1715 { 1716 struct sockaddr_at *sat, null_sat; 1717 struct netrange *nr; 1718 1719 getsock(AF_APPLETALK); 1720 if (s < 0) { 1721 if (errno == EPROTONOSUPPORT) 1722 return; 1723 err(1, "socket"); 1724 } 1725 (void) memset(&ifr, 0, sizeof(ifr)); 1726 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1727 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 1728 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1729 if (!force) 1730 return; 1731 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1732 } else 1733 warn("SIOCGIFADDR"); 1734 } 1735 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 1736 sat = (struct sockaddr_at *)&ifr.ifr_addr; 1737 1738 (void) memset(&null_sat, 0, sizeof(null_sat)); 1739 1740 nr = (struct netrange *) &sat->sat_zero; 1741 printf("\tatalk %d.%d range %d-%d phase %d", 1742 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 1743 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 1744 if (flags & IFF_POINTOPOINT) { 1745 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 1746 if (errno == EADDRNOTAVAIL) 1747 (void) memset(&ifr.ifr_addr, 0, 1748 sizeof(ifr.ifr_addr)); 1749 else 1750 warn("SIOCGIFDSTADDR"); 1751 } 1752 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1753 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 1754 if (!sat) 1755 sat = &null_sat; 1756 printf("--> %d.%d", 1757 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 1758 } 1759 if (flags & IFF_BROADCAST) { 1760 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 1761 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 1762 if (sat) 1763 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 1764 sat->sat_addr.s_node); 1765 } 1766 putchar('\n'); 1767 } 1768 1769 void 1770 xns_status(force) 1771 int force; 1772 { 1773 struct sockaddr_ns *sns; 1774 1775 getsock(AF_NS); 1776 if (s < 0) { 1777 if (errno == EPROTONOSUPPORT) 1778 return; 1779 err(1, "socket"); 1780 } 1781 (void) memset(&ifr, 0, sizeof(ifr)); 1782 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1783 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 1784 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1785 if (!force) 1786 return; 1787 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1788 } else 1789 warn("SIOCGIFADDR"); 1790 } 1791 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 1792 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 1793 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 1794 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 1795 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 1796 if (errno == EADDRNOTAVAIL) 1797 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1798 else 1799 warn("SIOCGIFDSTADDR"); 1800 } 1801 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1802 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 1803 printf("--> %s ", ns_ntoa(sns->sns_addr)); 1804 } 1805 putchar('\n'); 1806 } 1807 1808 void 1809 iso_status(force) 1810 int force; 1811 { 1812 struct sockaddr_iso *siso; 1813 struct iso_ifreq ifr; 1814 1815 getsock(AF_ISO); 1816 if (s < 0) { 1817 if (errno == EPROTONOSUPPORT) 1818 return; 1819 err(1, "socket"); 1820 } 1821 (void) memset(&ifr, 0, sizeof(ifr)); 1822 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1823 if (ioctl(s, SIOCGIFADDR_ISO, (caddr_t)&ifr) < 0) { 1824 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1825 if (!force) 1826 return; 1827 (void) memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 1828 } else 1829 warn("SIOCGIFADDR_ISO"); 1830 } 1831 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 1832 siso = &ifr.ifr_Addr; 1833 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 1834 if (ioctl(s, SIOCGIFNETMASK_ISO, (caddr_t)&ifr) < 0) { 1835 if (errno == EADDRNOTAVAIL) 1836 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 1837 else 1838 warn("SIOCGIFNETMASK_ISO"); 1839 } else { 1840 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 1841 siso->siso_addr.isoa_len = siso->siso_len 1842 - offsetof(struct sockaddr_iso, siso_addr); 1843 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 1844 } 1845 if (flags & IFF_POINTOPOINT) { 1846 if (ioctl(s, SIOCGIFDSTADDR_ISO, (caddr_t)&ifr) < 0) { 1847 if (errno == EADDRNOTAVAIL) 1848 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 1849 else 1850 warn("SIOCGIFDSTADDR_ISO"); 1851 } 1852 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1853 siso = &ifr.ifr_Addr; 1854 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 1855 } 1856 putchar('\n'); 1857 } 1858 1859 #endif /* INET_ONLY */ 1860 1861 #define SIN(x) ((struct sockaddr_in *) &(x)) 1862 struct sockaddr_in *sintab[] = { 1863 SIN(ridreq.ifr_addr), SIN(addreq.ifra_addr), 1864 SIN(addreq.ifra_mask), SIN(addreq.ifra_broadaddr)}; 1865 1866 void 1867 in_getaddr(s, which) 1868 char *s; 1869 int which; 1870 { 1871 struct sockaddr_in *sin = sintab[which]; 1872 struct hostent *hp; 1873 struct netent *np; 1874 1875 sin->sin_len = sizeof(*sin); 1876 if (which != MASK) 1877 sin->sin_family = AF_INET; 1878 1879 if (which == ADDR) { 1880 char *p = NULL; 1881 1882 if((p = strrchr(s, '/')) != NULL) { 1883 /* address is `name/masklen' */ 1884 int masklen; 1885 int ret; 1886 struct sockaddr_in *min = sintab[MASK]; 1887 *p = '\0'; 1888 ret = sscanf(p+1, "%u", &masklen); 1889 if(ret != 1 || (masklen < 0 || masklen > 32)) { 1890 *p = '/'; 1891 errx(1, "%s: bad value", s); 1892 } 1893 min->sin_len = sizeof(*min); 1894 min->sin_addr.s_addr = 1895 htonl(~((1LL << (32 - masklen)) - 1) & 1896 0xffffffff); 1897 } 1898 } 1899 1900 if (inet_aton(s, &sin->sin_addr) == 0) { 1901 if ((hp = gethostbyname(s)) != NULL) 1902 (void) memcpy(&sin->sin_addr, hp->h_addr, hp->h_length); 1903 else if ((np = getnetbyname(s)) != NULL) 1904 sin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 1905 else 1906 errx(1, "%s: bad value", s); 1907 } 1908 } 1909 1910 /* 1911 * Print a value a la the %b format of the kernel's printf 1912 */ 1913 void 1914 printb(s, v, bits) 1915 char *s; 1916 char *bits; 1917 unsigned short v; 1918 { 1919 int i, any = 0; 1920 char c; 1921 1922 if (bits && *bits == 8) 1923 printf("%s=%o", s, v); 1924 else 1925 printf("%s=%x", s, v); 1926 bits++; 1927 if (bits) { 1928 putchar('<'); 1929 while ((i = *bits++) != 0) { 1930 if (v & (1 << (i-1))) { 1931 if (any) 1932 putchar(','); 1933 any = 1; 1934 for (; (c = *bits) > 32; bits++) 1935 putchar(c); 1936 } else 1937 for (; *bits > 32; bits++) 1938 ; 1939 } 1940 putchar('>'); 1941 } 1942 } 1943 1944 #ifdef INET6 1945 #define SIN6(x) ((struct sockaddr_in6 *) &(x)) 1946 struct sockaddr_in6 *sin6tab[] = { 1947 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 1948 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 1949 1950 void 1951 in6_getaddr(s, which) 1952 char *s; 1953 int which; 1954 { 1955 #if defined(__KAME__) && defined(KAME_SCOPEID) 1956 struct sockaddr_in6 *sin6 = sin6tab[which]; 1957 struct addrinfo hints, *res; 1958 int error; 1959 1960 memset(&hints, 0, sizeof(hints)); 1961 hints.ai_family = AF_INET6; 1962 hints.ai_socktype = SOCK_DGRAM; 1963 #if 0 /* in_getaddr() allows FQDN */ 1964 hints.ai_flags = AI_NUMERICHOST; 1965 #endif 1966 error = getaddrinfo(s, "0", &hints, &res); 1967 if (error) 1968 errx(1, "%s: %s", s, gai_strerror(error)); 1969 if (res->ai_next) 1970 errx(1, "%s: resolved to multiple hosts", s); 1971 if (res->ai_addrlen != sizeof(struct sockaddr_in6)) 1972 errx(1, "%s: bad value", s); 1973 memcpy(sin6, res->ai_addr, res->ai_addrlen); 1974 freeaddrinfo(res); 1975 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) { 1976 *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = 1977 htons(sin6->sin6_scope_id); 1978 sin6->sin6_scope_id = 0; 1979 } 1980 #else 1981 struct sockaddr_in6 *sin = sin6tab[which]; 1982 1983 sin->sin6_len = sizeof(*sin); 1984 if (which != MASK) 1985 sin->sin6_family = AF_INET6; 1986 1987 if (which == ADDR) { 1988 char *p = NULL; 1989 if((p = strrchr(s, '/')) != NULL) { 1990 *p = '\0'; 1991 in6_getprefix(p + 1, MASK); 1992 explicit_prefix = 1; 1993 } 1994 } 1995 1996 if (inet_pton(AF_INET6, s, &sin->sin6_addr) != 1) 1997 errx(1, "%s: bad value", s); 1998 #endif 1999 } 2000 2001 void 2002 in6_getprefix(plen, which) 2003 char *plen; 2004 int which; 2005 { 2006 register struct sockaddr_in6 *sin = sin6tab[which]; 2007 register u_char *cp; 2008 int len = strtol(plen, (char **)NULL, 10); 2009 2010 if ((len < 0) || (len > 128)) 2011 errx(1, "%s: bad value", plen); 2012 sin->sin6_len = sizeof(*sin); 2013 if (which != MASK) 2014 sin->sin6_family = AF_INET6; 2015 if ((len == 0) || (len == 128)) { 2016 memset(&sin->sin6_addr, 0xff, sizeof(struct in6_addr)); 2017 return; 2018 } 2019 memset((void *)&sin->sin6_addr, 0x00, sizeof(sin->sin6_addr)); 2020 for (cp = (u_char *)&sin->sin6_addr; len > 7; len -= 8) 2021 *cp++ = 0xff; 2022 *cp = 0xff << (8 - len); 2023 } 2024 2025 int 2026 prefix(val, size) 2027 void *val; 2028 int size; 2029 { 2030 register u_char *name = (u_char *)val; 2031 register int byte, bit, plen = 0; 2032 2033 for (byte = 0; byte < size; byte++, plen += 8) 2034 if (name[byte] != 0xff) 2035 break; 2036 if (byte == size) 2037 return (plen); 2038 for (bit = 7; bit != 0; bit--, plen++) 2039 if (!(name[byte] & (1 << bit))) 2040 break; 2041 for (; bit != 0; bit--) 2042 if (name[byte] & (1 << bit)) 2043 return(0); 2044 byte++; 2045 for (; byte < size; byte++) 2046 if (name[byte]) 2047 return(0); 2048 return (plen); 2049 } 2050 #endif /*INET6*/ 2051 2052 #ifndef INET_ONLY 2053 void 2054 at_getaddr(addr, which) 2055 char *addr; 2056 int which; 2057 { 2058 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 2059 u_int net, node; 2060 2061 sat->sat_family = AF_APPLETALK; 2062 sat->sat_len = sizeof(*sat); 2063 if (which == MASK) 2064 errx(1, "AppleTalk does not use netmasks\n"); 2065 if (sscanf(addr, "%u.%u", &net, &node) != 2 2066 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 2067 errx(1, "%s: illegal address", addr); 2068 sat->sat_addr.s_net = htons(net); 2069 sat->sat_addr.s_node = node; 2070 } 2071 2072 void 2073 setatrange(range, d) 2074 char *range; 2075 int d; 2076 { 2077 u_short first = 123, last = 123; 2078 2079 if (sscanf(range, "%hu-%hu", &first, &last) != 2 2080 || first == 0 || first > 0xffff 2081 || last == 0 || last > 0xffff || first > last) 2082 errx(1, "%s: illegal net range: %u-%u", range, first, last); 2083 at_nr.nr_firstnet = htons(first); 2084 at_nr.nr_lastnet = htons(last); 2085 } 2086 2087 void 2088 setatphase(phase, d) 2089 char *phase; 2090 int d; 2091 { 2092 if (!strcmp(phase, "1")) 2093 at_nr.nr_phase = 1; 2094 else if (!strcmp(phase, "2")) 2095 at_nr.nr_phase = 2; 2096 else 2097 errx(1, "%s: illegal phase", phase); 2098 } 2099 2100 void 2101 checkatrange(sat) 2102 struct sockaddr_at *sat; 2103 { 2104 if (at_nr.nr_phase == 0) 2105 at_nr.nr_phase = 2; /* Default phase 2 */ 2106 if (at_nr.nr_firstnet == 0) 2107 at_nr.nr_firstnet = /* Default range of one */ 2108 at_nr.nr_lastnet = sat->sat_addr.s_net; 2109 printf("\tatalk %d.%d range %d-%d phase %d\n", 2110 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2111 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 2112 if ((u_short) ntohs(at_nr.nr_firstnet) > 2113 (u_short) ntohs(sat->sat_addr.s_net) 2114 || (u_short) ntohs(at_nr.nr_lastnet) < 2115 (u_short) ntohs(sat->sat_addr.s_net)) 2116 errx(1, "AppleTalk address is not in range"); 2117 *((struct netrange *) &sat->sat_zero) = at_nr; 2118 } 2119 2120 #define SNS(x) ((struct sockaddr_ns *) &(x)) 2121 struct sockaddr_ns *snstab[] = { 2122 SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 2123 SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 2124 2125 void 2126 xns_getaddr(addr, which) 2127 char *addr; 2128 int which; 2129 { 2130 struct sockaddr_ns *sns = snstab[which]; 2131 2132 sns->sns_family = AF_NS; 2133 sns->sns_len = sizeof(*sns); 2134 sns->sns_addr = ns_addr(addr); 2135 if (which == MASK) 2136 puts("Attempt to set XNS netmask will be ineffectual"); 2137 } 2138 2139 #define SISO(x) ((struct sockaddr_iso *) &(x)) 2140 struct sockaddr_iso *sisotab[] = { 2141 SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 2142 SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 2143 2144 void 2145 iso_getaddr(addr, which) 2146 char *addr; 2147 int which; 2148 { 2149 struct sockaddr_iso *siso = sisotab[which]; 2150 siso->siso_addr = *iso_addr(addr); 2151 2152 if (which == MASK) { 2153 siso->siso_len = TSEL(siso) - (caddr_t)(siso); 2154 siso->siso_nlen = 0; 2155 } else { 2156 siso->siso_len = sizeof(*siso); 2157 siso->siso_family = AF_ISO; 2158 } 2159 } 2160 2161 void 2162 setsnpaoffset(val, d) 2163 char *val; 2164 int d; 2165 { 2166 iso_addreq.ifra_snpaoffset = atoi(val); 2167 } 2168 2169 void 2170 setnsellength(val, d) 2171 char *val; 2172 int d; 2173 { 2174 nsellength = atoi(val); 2175 if (nsellength < 0) 2176 errx(1, "Negative NSEL length is absurd"); 2177 if (afp == 0 || afp->af_af != AF_ISO) 2178 errx(1, "Setting NSEL length valid only for iso"); 2179 } 2180 2181 void 2182 fixnsel(s) 2183 struct sockaddr_iso *s; 2184 { 2185 if (s->siso_family == 0) 2186 return; 2187 s->siso_tlen = nsellength; 2188 } 2189 2190 void 2191 adjust_nsellength() 2192 { 2193 fixnsel(sisotab[RIDADDR]); 2194 fixnsel(sisotab[ADDR]); 2195 fixnsel(sisotab[DSTADDR]); 2196 } 2197 2198 #endif /* INET_ONLY */ 2199 2200 void 2201 usage() 2202 { 2203 fprintf(stderr, 2204 "usage: ifconfig [ -m ] [ -A ] %s interface\n%s%s%s%s%s%s%s%s%s%s%s%s", 2205 #ifdef INET6 2206 "[ -L ]", 2207 #else 2208 "", 2209 #endif 2210 "\t[ af [ address [ dest_addr ] ] [ up ] [ down ] ", 2211 "[ netmask mask ] ]\n", 2212 "\t[ metric n ]\n", 2213 "\t[ mtu n ]\n", 2214 "\t[ arp | -arp ]\n", 2215 "\t[ media mtype ]\n", 2216 "\t[ mediaopt mopts ]\n", 2217 "\t[ -mediaopt mopts ]\n", 2218 "\t[ instance minst ]\n", 2219 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n", 2220 " ifconfig -a [ -A ] [ -m ] [ -d ] [ -u ] [ af ]\n", 2221 " ifconfig -l [ -d ] [ -u ]\n"); 2222 exit(1); 2223 } 2224 2225 #ifdef INET6 2226 char * 2227 sec2str(total) 2228 time_t total; 2229 { 2230 static char result[256]; 2231 int days, hours, mins, secs; 2232 int first = 1; 2233 char *p = result; 2234 2235 if (0) { /*XXX*/ 2236 days = total / 3600 / 24; 2237 hours = (total / 3600) % 24; 2238 mins = (total / 60) % 60; 2239 secs = total % 60; 2240 2241 if (days) { 2242 first = 0; 2243 p += sprintf(p, "%dd", days); 2244 } 2245 if (!first || hours) { 2246 first = 0; 2247 p += sprintf(p, "%dh", hours); 2248 } 2249 if (!first || mins) { 2250 first = 0; 2251 p += sprintf(p, "%dm", mins); 2252 } 2253 sprintf(p, "%ds", secs); 2254 } else 2255 sprintf(p, "%lu", (u_long)total); 2256 2257 return(result); 2258 } 2259 #endif 2260
Indexes created Wed Oct 01 07:09:59 GMT 2025