ifconfig.c revision 1.72
1 /* $NetBSD: ifconfig.c,v 1.72 2000/03/06 08:45:35 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 1.72 2000/03/06 08:45:35 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 for (i = 0; i < ifc.ifc_len; ) { 631 /* Copy the mininum ifreq into the buffer. */ 632 cp = ((caddr_t)ifc.ifc_req + i); 633 memcpy(ifrbuf, cp, sizeof(*ifr)); 634 635 /* Now compute the actual size of the ifreq. */ 636 ifr = (struct ifreq *)ifrbuf; 637 siz = ifr->ifr_addr.sa_len; 638 if (siz < sizeof(ifr->ifr_addr)) 639 siz = sizeof(ifr->ifr_addr); 640 siz += sizeof(ifr->ifr_name); 641 i += siz; 642 643 /* Now copy the whole thing. */ 644 if (sizeof(ifrbuf) < siz) 645 errx(1, "ifr too big"); 646 memcpy(ifrbuf, cp, siz); 647 648 if (!strncmp(iname, ifr->ifr_name, sizeof(ifr->ifr_name))) { 649 if (ifr->ifr_addr.sa_family == af) 650 switch (af) { 651 case AF_INET: 652 in_alias(ifr); 653 break; 654 default: 655 /*none*/ 656 } 657 continue; 658 } 659 } 660 } 661 662 void 663 printall() 664 { 665 char inbuf[8192]; 666 const struct sockaddr_dl *sdl = NULL; 667 struct ifconf ifc; 668 struct ifreq ifreq, *ifr; 669 int i, siz, idx; 670 char ifrbuf[8192], *cp; 671 672 ifc.ifc_len = sizeof(inbuf); 673 ifc.ifc_buf = inbuf; 674 getsock(af); 675 if (s < 0) 676 err(1, "socket"); 677 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 678 err(1, "SIOCGIFCONF"); 679 ifreq.ifr_name[0] = '\0'; 680 for (i = 0, idx = 0; i < ifc.ifc_len; ) { 681 /* Copy the mininum ifreq into the buffer. */ 682 cp = ((caddr_t)ifc.ifc_req + i); 683 memcpy(ifrbuf, cp, sizeof(*ifr)); 684 685 /* Now compute the actual size of the ifreq. */ 686 ifr = (struct ifreq *)ifrbuf; 687 siz = ifr->ifr_addr.sa_len; 688 if (siz < sizeof(ifr->ifr_addr)) 689 siz = sizeof(ifr->ifr_addr); 690 siz += sizeof(ifr->ifr_name); 691 i += siz; 692 693 /* Now copy the whole thing. */ 694 if (sizeof(ifrbuf) < siz) 695 errx(1, "ifr too big"); 696 memcpy(ifrbuf, cp, siz); 697 698 if (ifr->ifr_addr.sa_family == AF_LINK) 699 sdl = (const struct sockaddr_dl *) &ifr->ifr_addr; 700 if (!strncmp(ifreq.ifr_name, ifr->ifr_name, 701 sizeof(ifr->ifr_name))) { 702 if (Aflag && ifr->ifr_addr.sa_family == AF_INET) 703 in_alias(ifr); 704 continue; 705 } 706 (void) strncpy(name, ifr->ifr_name, sizeof(ifr->ifr_name)); 707 ifreq = *ifr; 708 709 if (getinfo(&ifreq) < 0) 710 continue; 711 if (bflag && (flags & (IFF_POINTOPOINT|IFF_LOOPBACK))) 712 continue; 713 if (dflag && (flags & IFF_UP) != 0) 714 continue; 715 if (uflag && (flags & IFF_UP) == 0) 716 continue; 717 718 if (sflag && carrier()) 719 continue; 720 idx++; 721 /* 722 * Are we just listing the interfaces? 723 */ 724 if (lflag) { 725 if (idx > 1) 726 putchar(' '); 727 fputs(name, stdout); 728 continue; 729 } 730 731 if (sdl == NULL) { 732 status(NULL, 0); 733 } else { 734 status(LLADDR(sdl), sdl->sdl_alen); 735 sdl = NULL; 736 } 737 } 738 if (lflag) 739 putchar('\n'); 740 } 741 742 #define RIDADDR 0 743 #define ADDR 1 744 #define MASK 2 745 #define DSTADDR 3 746 747 /*ARGSUSED*/ 748 void 749 setifaddr(addr, param) 750 char *addr; 751 int param; 752 { 753 /* 754 * Delay the ioctl to set the interface addr until flags are all set. 755 * The address interpretation may depend on the flags, 756 * and the flags may change when the address is set. 757 */ 758 setaddr++; 759 if (newaddr == -1) 760 newaddr = 1; 761 if (doalias == 0) 762 clearaddr = 1; 763 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 764 } 765 766 void 767 setifnetmask(addr, d) 768 char *addr; 769 int d; 770 { 771 (*afp->af_getaddr)(addr, MASK); 772 } 773 774 void 775 setifbroadaddr(addr, d) 776 char *addr; 777 int d; 778 { 779 (*afp->af_getaddr)(addr, DSTADDR); 780 } 781 782 void 783 setifipdst(addr, d) 784 char *addr; 785 int d; 786 { 787 in_getaddr(addr, DSTADDR); 788 setipdst++; 789 clearaddr = 0; 790 newaddr = 0; 791 } 792 793 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 794 /*ARGSUSED*/ 795 void 796 notealias(addr, param) 797 char *addr; 798 int param; 799 { 800 if (setaddr && doalias == 0 && param < 0) 801 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 802 rqtosa(af_addreq)->sa_len); 803 doalias = param; 804 if (param < 0) { 805 clearaddr = 1; 806 newaddr = 0; 807 } else 808 clearaddr = 0; 809 } 810 811 /*ARGSUSED*/ 812 void 813 notrailers(vname, value) 814 char *vname; 815 int value; 816 { 817 puts("Note: trailers are no longer sent, but always received"); 818 } 819 820 /*ARGSUSED*/ 821 void 822 setifdstaddr(addr, param) 823 char *addr; 824 int param; 825 { 826 (*afp->af_getaddr)(addr, DSTADDR); 827 } 828 829 void 830 setifflags(vname, value) 831 char *vname; 832 int value; 833 { 834 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifr) < 0) 835 err(1, "SIOCGIFFLAGS"); 836 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 837 flags = ifr.ifr_flags; 838 839 if (value < 0) { 840 value = -value; 841 flags &= ~value; 842 } else 843 flags |= value; 844 ifr.ifr_flags = flags; 845 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifr) < 0) 846 err(1, "SIOCSIFFLAGS"); 847 848 reset_if_flags = 1; 849 } 850 851 #ifdef INET6 852 void 853 setia6flags(vname, value) 854 char *vname; 855 int value; 856 { 857 if (value < 0) { 858 value = -value; 859 in6_addreq.ifra_flags &= ~value; 860 } else 861 in6_addreq.ifra_flags |= value; 862 } 863 864 void 865 setia6pltime(val, d) 866 char *val; 867 int d; 868 { 869 setia6lifetime("pltime", val); 870 } 871 872 void 873 setia6vltime(val, d) 874 char *val; 875 int d; 876 { 877 setia6lifetime("vltime", val); 878 } 879 880 void 881 setia6lifetime(cmd, val) 882 char *cmd; 883 char *val; 884 { 885 time_t newval, t; 886 char *ep; 887 888 t = time(NULL); 889 newval = (time_t)strtoul(val, &ep, 0); 890 if (val == ep) 891 errx(1, "invalid %s", cmd); 892 if (afp->af_af != AF_INET6) 893 errx(1, "%s not allowed for the AF", cmd); 894 if (strcmp(cmd, "vltime") == 0) { 895 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 896 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 897 } else if (strcmp(cmd, "pltime") == 0) { 898 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 899 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 900 } 901 } 902 #endif 903 904 void 905 setifmetric(val, d) 906 char *val; 907 int d; 908 { 909 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 910 ifr.ifr_metric = atoi(val); 911 if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) < 0) 912 warn("SIOCSIFMETRIC"); 913 } 914 915 void 916 setifmtu(val, d) 917 char *val; 918 int d; 919 { 920 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 921 ifr.ifr_mtu = atoi(val); 922 if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) < 0) 923 warn("SIOCSIFMTU"); 924 } 925 926 void 927 setifnwid(val, d) 928 char *val; 929 int d; 930 { 931 u_int8_t nwid[IEEE80211_NWID_LEN]; 932 933 memset(&nwid, 0, sizeof(nwid)); 934 (void)strncpy(nwid, val, sizeof(nwid)); 935 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 936 ifr.ifr_data = (caddr_t)nwid; 937 if (ioctl(s, SIOCS80211NWID, (caddr_t)&ifr) < 0) 938 warn("SIOCS80211NWID"); 939 } 940 941 void 942 ieee80211_status() 943 { 944 u_int8_t nwid[IEEE80211_NWID_LEN + 1]; 945 946 memset(&ifr, 0, sizeof(ifr)); 947 ifr.ifr_data = (caddr_t)nwid; 948 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 949 nwid[IEEE80211_NWID_LEN] = 0; 950 if (ioctl(s, SIOCG80211NWID, (caddr_t)&ifr) == 0) 951 printf("\tnwid %s\n", nwid); 952 } 953 954 void 955 init_current_media() 956 { 957 struct ifmediareq ifmr; 958 959 /* 960 * If we have not yet done so, grab the currently-selected 961 * media. 962 */ 963 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 964 (void) memset(&ifmr, 0, sizeof(ifmr)); 965 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 966 967 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 968 /* 969 * If we get E2BIG, the kernel is telling us 970 * that there are more, so we can ignore it. 971 */ 972 if (errno != E2BIG) 973 err(1, "SGIOCGIFMEDIA"); 974 } 975 976 media_current = ifmr.ifm_current; 977 } 978 979 /* Sanity. */ 980 if (IFM_TYPE(media_current) == 0) 981 errx(1, "%s: no link type?", name); 982 } 983 984 void 985 process_media_commands() 986 { 987 988 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 989 /* Nothing to do. */ 990 return; 991 } 992 993 /* 994 * Media already set up, and commands sanity-checked. Set/clear 995 * any options, and we're ready to go. 996 */ 997 media_current |= mediaopt_set; 998 media_current &= ~mediaopt_clear; 999 1000 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1001 ifr.ifr_media = media_current; 1002 1003 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0) 1004 err(1, "SIOCSIFMEDIA"); 1005 } 1006 1007 void 1008 setmedia(val, d) 1009 char *val; 1010 int d; 1011 { 1012 int type, subtype, inst; 1013 1014 init_current_media(); 1015 1016 /* Only one media command may be given. */ 1017 if (actions & A_MEDIA) 1018 errx(1, "only one `media' command may be issued"); 1019 1020 /* Must not come after mediaopt commands */ 1021 if (actions & A_MEDIAOPT) 1022 errx(1, "may not issue `media' after `mediaopt' commands"); 1023 1024 /* 1025 * No need to check if `instance' has been issued; setmediainst() 1026 * craps out if `media' has not been specified. 1027 */ 1028 1029 type = IFM_TYPE(media_current); 1030 inst = IFM_INST(media_current); 1031 1032 /* Look up the subtype. */ 1033 subtype = get_media_subtype(type, val); 1034 1035 /* Build the new current media word. */ 1036 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 1037 1038 /* Media will be set after other processing is complete. */ 1039 } 1040 1041 void 1042 setmediaopt(val, d) 1043 char *val; 1044 int d; 1045 { 1046 1047 init_current_media(); 1048 1049 /* Can only issue `mediaopt' once. */ 1050 if (actions & A_MEDIAOPTSET) 1051 errx(1, "only one `mediaopt' command may be issued"); 1052 1053 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1054 if (actions & A_MEDIAINST) 1055 errx(1, "may not issue `mediaopt' after `instance'"); 1056 1057 mediaopt_set = get_media_options(IFM_TYPE(media_current), val); 1058 1059 /* Media will be set after other processing is complete. */ 1060 } 1061 1062 void 1063 unsetmediaopt(val, d) 1064 char *val; 1065 int d; 1066 { 1067 1068 init_current_media(); 1069 1070 /* Can only issue `-mediaopt' once. */ 1071 if (actions & A_MEDIAOPTCLR) 1072 errx(1, "only one `-mediaopt' command may be issued"); 1073 1074 /* May not issue `media' and `-mediaopt'. */ 1075 if (actions & A_MEDIA) 1076 errx(1, "may not issue both `media' and `-mediaopt'"); 1077 1078 /* 1079 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1080 * implicitly checks for A_MEDIAINST. 1081 */ 1082 1083 mediaopt_clear = get_media_options(IFM_TYPE(media_current), val); 1084 1085 /* Media will be set after other processing is complete. */ 1086 } 1087 1088 void 1089 setmediainst(val, d) 1090 char *val; 1091 int d; 1092 { 1093 int type, subtype, options, inst; 1094 1095 init_current_media(); 1096 1097 /* Can only issue `instance' once. */ 1098 if (actions & A_MEDIAINST) 1099 errx(1, "only one `instance' command may be issued"); 1100 1101 /* Must have already specified `media' */ 1102 if ((actions & A_MEDIA) == 0) 1103 errx(1, "must specify `media' before `instance'"); 1104 1105 type = IFM_TYPE(media_current); 1106 subtype = IFM_SUBTYPE(media_current); 1107 options = IFM_OPTIONS(media_current); 1108 1109 inst = atoi(val); 1110 if (inst < 0 || inst > IFM_INST_MAX) 1111 errx(1, "invalid media instance: %s", val); 1112 1113 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1114 1115 /* Media will be set after other processing is complete. */ 1116 } 1117 1118 struct ifmedia_description ifm_type_descriptions[] = 1119 IFM_TYPE_DESCRIPTIONS; 1120 1121 struct ifmedia_description ifm_subtype_descriptions[] = 1122 IFM_SUBTYPE_DESCRIPTIONS; 1123 1124 struct ifmedia_description ifm_option_descriptions[] = 1125 IFM_OPTION_DESCRIPTIONS; 1126 1127 const char * 1128 get_media_type_string(mword) 1129 int mword; 1130 { 1131 struct ifmedia_description *desc; 1132 1133 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; 1134 desc++) { 1135 if (IFM_TYPE(mword) == desc->ifmt_word) 1136 return (desc->ifmt_string); 1137 } 1138 return ("<unknown type>"); 1139 } 1140 1141 const char * 1142 get_media_subtype_string(mword) 1143 int mword; 1144 { 1145 struct ifmedia_description *desc; 1146 1147 for (desc = ifm_subtype_descriptions; desc->ifmt_string != NULL; 1148 desc++) { 1149 if (IFM_TYPE_MATCH(desc->ifmt_word, mword) && 1150 IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(mword)) 1151 return (desc->ifmt_string); 1152 } 1153 return ("<unknown subtype>"); 1154 } 1155 1156 int 1157 get_media_subtype(type, val) 1158 int type; 1159 const char *val; 1160 { 1161 int rval; 1162 1163 rval = lookup_media_word(ifm_subtype_descriptions, type, val); 1164 if (rval == -1) 1165 errx(1, "unknown %s media subtype: %s", 1166 get_media_type_string(type), val); 1167 1168 return (rval); 1169 } 1170 1171 int 1172 get_media_options(type, val) 1173 int type; 1174 const char *val; 1175 { 1176 char *optlist, *str; 1177 int option, rval = 0; 1178 1179 /* We muck with the string, so copy it. */ 1180 optlist = strdup(val); 1181 if (optlist == NULL) 1182 err(1, "strdup"); 1183 str = optlist; 1184 1185 /* 1186 * Look up the options in the user-provided comma-separated list. 1187 */ 1188 for (; (str = strtok(str, ",")) != NULL; str = NULL) { 1189 option = lookup_media_word(ifm_option_descriptions, type, str); 1190 if (option == -1) 1191 errx(1, "unknown %s media option: %s", 1192 get_media_type_string(type), str); 1193 rval |= IFM_OPTIONS(option); 1194 } 1195 1196 free(optlist); 1197 return (rval); 1198 } 1199 1200 int 1201 lookup_media_word(desc, type, val) 1202 struct ifmedia_description *desc; 1203 int type; 1204 const char *val; 1205 { 1206 1207 for (; desc->ifmt_string != NULL; desc++) { 1208 if (IFM_TYPE_MATCH(desc->ifmt_word, type) && 1209 strcasecmp(desc->ifmt_string, val) == 0) 1210 return (desc->ifmt_word); 1211 } 1212 return (-1); 1213 } 1214 1215 void 1216 print_media_word(ifmw, print_type, as_syntax) 1217 int ifmw, print_type, as_syntax; 1218 { 1219 struct ifmedia_description *desc; 1220 int seen_option = 0; 1221 1222 if (print_type) 1223 printf("%s ", get_media_type_string(ifmw)); 1224 printf("%s%s", as_syntax ? "media " : "", 1225 get_media_subtype_string(ifmw)); 1226 1227 /* Find options. */ 1228 for (desc = ifm_option_descriptions; desc->ifmt_string != NULL; 1229 desc++) { 1230 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && 1231 (ifmw & IFM_OPTIONS(desc->ifmt_word)) != 0 && 1232 (seen_option & IFM_OPTIONS(desc->ifmt_word)) == 0) { 1233 if (seen_option == 0) 1234 printf(" %s", as_syntax ? "mediaopt " : ""); 1235 printf("%s%s", seen_option ? "," : "", 1236 desc->ifmt_string); 1237 seen_option |= IFM_OPTIONS(desc->ifmt_word); 1238 } 1239 } 1240 if (IFM_INST(ifmw) != 0) 1241 printf(" instance %d", IFM_INST(ifmw)); 1242 } 1243 1244 int carrier() 1245 { 1246 struct ifmediareq ifmr; 1247 1248 (void) memset(&ifmr, 0, sizeof(ifmr)); 1249 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1250 1251 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1252 /* 1253 * Interface doesn't support SIOC{G,S}IFMEDIA; 1254 * assume ok. 1255 */ 1256 return 0; 1257 } 1258 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1259 /* 1260 * Interface doesn't report media-valid status. 1261 * assume ok. 1262 */ 1263 return 0; 1264 } 1265 /* otherwise, return ok for active, not-ok if not active. */ 1266 return !(ifmr.ifm_status & IFM_ACTIVE); 1267 } 1268 1269 1270 #define IFFBITS \ 1271 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 1272 \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 1273 1274 const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST; 1275 1276 const struct ifmedia_status_description ifm_status_descriptions[] = 1277 IFM_STATUS_DESCRIPTIONS; 1278 1279 /* 1280 * Print the status of the interface. If an address family was 1281 * specified, show it and it only; otherwise, show them all. 1282 */ 1283 void 1284 status(ap, alen) 1285 const u_int8_t *ap; 1286 int alen; 1287 { 1288 struct afswtch *p = afp; 1289 struct ifmediareq ifmr; 1290 int *media_list, i; 1291 1292 printf("%s: ", name); 1293 printb("flags", flags, IFFBITS); 1294 if (metric) 1295 printf(" metric %d", metric); 1296 if (mtu) 1297 printf(" mtu %d", mtu); 1298 putchar('\n'); 1299 1300 ieee80211_status(); 1301 1302 if (ap && alen > 0) { 1303 printf("\taddress:"); 1304 for (i = 0; i < alen; i++, ap++) 1305 printf("%c%02x", i > 0 ? ':' : ' ', *ap); 1306 putchar('\n'); 1307 } 1308 1309 (void) memset(&ifmr, 0, sizeof(ifmr)); 1310 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1311 1312 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1313 /* 1314 * Interface doesn't support SIOC{G,S}IFMEDIA. 1315 */ 1316 goto proto_status; 1317 } 1318 1319 if (ifmr.ifm_count == 0) { 1320 warnx("%s: no media types?", name); 1321 goto proto_status; 1322 } 1323 1324 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1325 if (media_list == NULL) 1326 err(1, "malloc"); 1327 ifmr.ifm_ulist = media_list; 1328 1329 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) 1330 err(1, "SIOCGIFMEDIA"); 1331 1332 printf("\tmedia: "); 1333 print_media_word(ifmr.ifm_current, 1, 0); 1334 if (ifmr.ifm_active != ifmr.ifm_current) { 1335 putchar(' '); 1336 putchar('('); 1337 print_media_word(ifmr.ifm_active, 0, 0); 1338 putchar(')'); 1339 } 1340 putchar('\n'); 1341 1342 if (ifmr.ifm_status & IFM_STATUS_VALID) { 1343 const struct ifmedia_status_description *ifms; 1344 int bitno, found = 0; 1345 1346 printf("\tstatus: "); 1347 for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) { 1348 for (ifms = ifm_status_descriptions; 1349 ifms->ifms_valid != 0; ifms++) { 1350 if (ifms->ifms_type != 1351 IFM_TYPE(ifmr.ifm_current) || 1352 ifms->ifms_valid != 1353 ifm_status_valid_list[bitno]) 1354 continue; 1355 printf("%s%s", found ? ", " : "", 1356 IFM_STATUS_DESC(ifms, ifmr.ifm_status)); 1357 found = 1; 1358 1359 /* 1360 * For each valid indicator bit, there's 1361 * only one entry for each media type, so 1362 * terminate the inner loop now. 1363 */ 1364 break; 1365 } 1366 } 1367 1368 if (found == 0) 1369 printf("unknown"); 1370 putchar('\n'); 1371 } 1372 1373 if (mflag) { 1374 int type, printed_type; 1375 1376 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 1377 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 1378 if (IFM_TYPE(media_list[i]) == type) { 1379 if (printed_type == 0) { 1380 printf("\tsupported %s media:\n", 1381 get_media_type_string(type)); 1382 printed_type = 1; 1383 } 1384 printf("\t\t"); 1385 print_media_word(media_list[i], 0, 1); 1386 printf("\n"); 1387 } 1388 } 1389 } 1390 } 1391 1392 free(media_list); 1393 1394 proto_status: 1395 if ((p = afp) != NULL) { 1396 (*p->af_status)(1); 1397 if (Aflag & !aflag) 1398 printalias(name, p->af_af); 1399 } else for (p = afs; p->af_name; p++) { 1400 ifr.ifr_addr.sa_family = p->af_af; 1401 (*p->af_status)(0); 1402 if (Aflag & !aflag && p->af_af == AF_INET) 1403 printalias(name, p->af_af); 1404 } 1405 } 1406 1407 void 1408 in_alias(creq) 1409 struct ifreq *creq; 1410 { 1411 struct sockaddr_in *sin; 1412 1413 if (lflag) 1414 return; 1415 1416 /* Get the non-alias address for this interface. */ 1417 getsock(AF_INET); 1418 if (s < 0) { 1419 if (errno == EPROTONOSUPPORT) 1420 return; 1421 err(1, "socket"); 1422 } 1423 (void) memset(&ifr, 0, sizeof(ifr)); 1424 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1425 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 1426 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1427 return; 1428 } else 1429 warn("SIOCGIFADDR"); 1430 } 1431 /* If creq and ifr are the same address, this is not an alias. */ 1432 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 1433 sizeof(creq->ifr_addr)) == 0) 1434 return; 1435 (void) memset(&addreq, 0, sizeof(addreq)); 1436 (void) strncpy(addreq.ifra_name, name, sizeof(addreq.ifra_name)); 1437 addreq.ifra_addr = creq->ifr_addr; 1438 if (ioctl(s, SIOCGIFALIAS, (caddr_t)&addreq) < 0) { 1439 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1440 return; 1441 } else 1442 warn("SIOCGIFALIAS"); 1443 } 1444 1445 sin = (struct sockaddr_in *)&addreq.ifra_addr; 1446 printf("\tinet alias %s", inet_ntoa(sin->sin_addr)); 1447 1448 if (flags & IFF_POINTOPOINT) { 1449 sin = (struct sockaddr_in *)&addreq.ifra_dstaddr; 1450 printf(" -> %s", inet_ntoa(sin->sin_addr)); 1451 } 1452 1453 sin = (struct sockaddr_in *)&addreq.ifra_mask; 1454 printf(" netmask 0x%x", ntohl(sin->sin_addr.s_addr)); 1455 1456 if (flags & IFF_BROADCAST) { 1457 sin = (struct sockaddr_in *)&addreq.ifra_broadaddr; 1458 printf(" broadcast %s", inet_ntoa(sin->sin_addr)); 1459 } 1460 printf("\n"); 1461 } 1462 1463 void 1464 in_status(force) 1465 int force; 1466 { 1467 struct sockaddr_in *sin; 1468 1469 getsock(AF_INET); 1470 if (s < 0) { 1471 if (errno == EPROTONOSUPPORT) 1472 return; 1473 err(1, "socket"); 1474 } 1475 (void) memset(&ifr, 0, sizeof(ifr)); 1476 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1477 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 1478 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1479 if (!force) 1480 return; 1481 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1482 } else 1483 warn("SIOCGIFADDR"); 1484 } 1485 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1486 sin = (struct sockaddr_in *)&ifr.ifr_addr; 1487 printf("\tinet %s ", inet_ntoa(sin->sin_addr)); 1488 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1489 if (ioctl(s, SIOCGIFNETMASK, (caddr_t)&ifr) < 0) { 1490 if (errno != EADDRNOTAVAIL) 1491 warn("SIOCGIFNETMASK"); 1492 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1493 } else 1494 netmask.sin_addr = 1495 ((struct sockaddr_in *)&ifr.ifr_addr)->sin_addr; 1496 if (flags & IFF_POINTOPOINT) { 1497 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 1498 if (errno == EADDRNOTAVAIL) 1499 (void) memset(&ifr.ifr_addr, 0, 1500 sizeof(ifr.ifr_addr)); 1501 else 1502 warn("SIOCGIFDSTADDR"); 1503 } 1504 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1505 sin = (struct sockaddr_in *)&ifr.ifr_dstaddr; 1506 printf("--> %s ", inet_ntoa(sin->sin_addr)); 1507 } 1508 printf("netmask 0x%x ", ntohl(netmask.sin_addr.s_addr)); 1509 if (flags & IFF_BROADCAST) { 1510 if (ioctl(s, SIOCGIFBRDADDR, (caddr_t)&ifr) < 0) { 1511 if (errno == EADDRNOTAVAIL) 1512 (void) memset(&ifr.ifr_addr, 0, 1513 sizeof(ifr.ifr_addr)); 1514 else 1515 warn("SIOCGIFBRDADDR"); 1516 } 1517 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1518 sin = (struct sockaddr_in *)&ifr.ifr_addr; 1519 if (sin->sin_addr.s_addr != 0) 1520 printf("broadcast %s", inet_ntoa(sin->sin_addr)); 1521 } 1522 putchar('\n'); 1523 } 1524 1525 void 1526 setifprefixlen(addr, d) 1527 char *addr; 1528 int d; 1529 { 1530 if (*afp->af_getprefix) 1531 (*afp->af_getprefix)(addr, MASK); 1532 explicit_prefix = 1; 1533 } 1534 1535 #ifdef INET6 1536 void 1537 in6_fillscopeid(sin6) 1538 struct sockaddr_in6 *sin6; 1539 { 1540 #if defined(__KAME__) && defined(KAME_SCOPEID) 1541 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) { 1542 sin6->sin6_scope_id = 1543 ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]); 1544 sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0; 1545 } 1546 #endif 1547 } 1548 1549 /* XXX not really an alias */ 1550 void 1551 in6_alias(creq) 1552 struct in6_ifreq *creq; 1553 { 1554 struct sockaddr_in6 *sin6; 1555 char hbuf[NI_MAXHOST]; 1556 u_int32_t scopeid; 1557 #ifdef NI_WITHSCOPEID 1558 const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID; 1559 #else 1560 const int niflag = NI_NUMERICHOST; 1561 #endif 1562 1563 /* Get the non-alias address for this interface. */ 1564 getsock(AF_INET6); 1565 if (s < 0) { 1566 if (errno == EPROTONOSUPPORT) 1567 return; 1568 err(1, "socket"); 1569 } 1570 1571 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 1572 1573 in6_fillscopeid(sin6); 1574 scopeid = sin6->sin6_scope_id; 1575 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 1576 hbuf, sizeof(hbuf), NULL, 0, niflag)) 1577 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 1578 printf("\tinet6 %s", hbuf); 1579 1580 if (flags & IFF_POINTOPOINT) { 1581 (void) memset(&ifr6, 0, sizeof(ifr6)); 1582 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 1583 ifr6.ifr_addr = creq->ifr_addr; 1584 if (ioctl(s, SIOCGIFDSTADDR_IN6, (caddr_t)&ifr6) < 0) { 1585 if (errno != EADDRNOTAVAIL) 1586 warn("SIOCGIFDSTADDR_IN6"); 1587 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 1588 ifr6.ifr_addr.sin6_family = AF_INET6; 1589 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 1590 } 1591 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 1592 in6_fillscopeid(sin6); 1593 hbuf[0] = '\0'; 1594 if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len, 1595 hbuf, sizeof(hbuf), NULL, 0, niflag)) 1596 strncpy(hbuf, "", sizeof(hbuf)); /* some message? */ 1597 printf(" -> %s", hbuf); 1598 } 1599 1600 (void) memset(&ifr6, 0, sizeof(ifr6)); 1601 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 1602 ifr6.ifr_addr = creq->ifr_addr; 1603 if (ioctl(s, SIOCGIFNETMASK_IN6, (caddr_t)&ifr6) < 0) { 1604 if (errno != EADDRNOTAVAIL) 1605 warn("SIOCGIFNETMASK_IN6"); 1606 } else { 1607 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 1608 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 1609 sizeof(struct in6_addr))); 1610 } 1611 1612 (void) memset(&ifr6, 0, sizeof(ifr6)); 1613 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 1614 ifr6.ifr_addr = creq->ifr_addr; 1615 if (ioctl(s, SIOCGIFAFLAG_IN6, (caddr_t)&ifr6) < 0) { 1616 if (errno != EADDRNOTAVAIL) 1617 warn("SIOCGIFAFLAG_IN6"); 1618 } else { 1619 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 1620 printf(" anycast"); 1621 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 1622 printf(" tentative"); 1623 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 1624 printf(" duplicated"); 1625 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 1626 printf(" detached"); 1627 } 1628 1629 if (scopeid) 1630 printf(" scopeid 0x%x", scopeid); 1631 1632 if (Lflag) { 1633 struct in6_addrlifetime *lifetime; 1634 (void) memset(&ifr6, 0, sizeof(ifr6)); 1635 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 1636 ifr6.ifr_addr = creq->ifr_addr; 1637 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 1638 if (ioctl(s, SIOCGIFALIFETIME_IN6, (caddr_t)&ifr6) < 0) { 1639 if (errno != EADDRNOTAVAIL) 1640 warn("SIOCGIFALIFETIME_IN6"); 1641 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 1642 time_t t = time(NULL); 1643 printf(" pltime "); 1644 if (lifetime->ia6t_preferred) { 1645 printf("%s", lifetime->ia6t_preferred < t 1646 ? "0" 1647 : sec2str(lifetime->ia6t_preferred - t)); 1648 } else 1649 printf("infty"); 1650 1651 printf(" vltime "); 1652 if (lifetime->ia6t_expire) { 1653 printf("%s", lifetime->ia6t_expire < t 1654 ? "0" 1655 : sec2str(lifetime->ia6t_expire - t)); 1656 } else 1657 printf("infty"); 1658 } 1659 } 1660 1661 printf("\n"); 1662 } 1663 1664 void 1665 in6_status(force) 1666 int force; 1667 { 1668 char inbuf[8192]; 1669 struct ifconf ifc; 1670 struct ifreq *ifr; 1671 int i, siz; 1672 char ifrbuf[8192], *cp; 1673 1674 ifc.ifc_len = sizeof(inbuf); 1675 ifc.ifc_buf = inbuf; 1676 getsock(af); 1677 if (s < 0) 1678 err(1, "socket"); 1679 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 1680 err(1, "SIOCGIFCONF"); 1681 for (i = 0; i < ifc.ifc_len; ) { 1682 /* Copy the mininum ifreq into the buffer. */ 1683 cp = ((caddr_t)ifc.ifc_req + i); 1684 memcpy(ifrbuf, cp, sizeof(*ifr)); 1685 1686 /* Now compute the actual size of the ifreq. */ 1687 ifr = (struct ifreq *)ifrbuf; 1688 siz = ifr->ifr_addr.sa_len; 1689 if (siz < sizeof(ifr->ifr_addr)) 1690 siz = sizeof(ifr->ifr_addr); 1691 siz += sizeof(ifr->ifr_name); 1692 i += siz; 1693 1694 /* Now copy the whole thing. */ 1695 if (sizeof(ifrbuf) < siz) 1696 errx(1, "ifr too big"); 1697 memcpy(ifrbuf, cp, siz); 1698 1699 if (!strncmp(name, ifr->ifr_name, sizeof(ifr->ifr_name))) { 1700 if (ifr->ifr_addr.sa_family == AF_INET6) 1701 in6_alias((struct in6_ifreq *)ifr); 1702 } 1703 } 1704 } 1705 #endif /*INET6*/ 1706 1707 #ifndef INET_ONLY 1708 1709 void 1710 at_status(force) 1711 int force; 1712 { 1713 struct sockaddr_at *sat, null_sat; 1714 struct netrange *nr; 1715 1716 getsock(AF_APPLETALK); 1717 if (s < 0) { 1718 if (errno == EPROTONOSUPPORT) 1719 return; 1720 err(1, "socket"); 1721 } 1722 (void) memset(&ifr, 0, sizeof(ifr)); 1723 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1724 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 1725 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1726 if (!force) 1727 return; 1728 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1729 } else 1730 warn("SIOCGIFADDR"); 1731 } 1732 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 1733 sat = (struct sockaddr_at *)&ifr.ifr_addr; 1734 1735 (void) memset(&null_sat, 0, sizeof(null_sat)); 1736 1737 nr = (struct netrange *) &sat->sat_zero; 1738 printf("\tatalk %d.%d range %d-%d phase %d", 1739 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 1740 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 1741 if (flags & IFF_POINTOPOINT) { 1742 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 1743 if (errno == EADDRNOTAVAIL) 1744 (void) memset(&ifr.ifr_addr, 0, 1745 sizeof(ifr.ifr_addr)); 1746 else 1747 warn("SIOCGIFDSTADDR"); 1748 } 1749 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1750 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 1751 if (!sat) 1752 sat = &null_sat; 1753 printf("--> %d.%d", 1754 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 1755 } 1756 if (flags & IFF_BROADCAST) { 1757 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 1758 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 1759 if (sat) 1760 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 1761 sat->sat_addr.s_node); 1762 } 1763 putchar('\n'); 1764 } 1765 1766 void 1767 xns_status(force) 1768 int force; 1769 { 1770 struct sockaddr_ns *sns; 1771 1772 getsock(AF_NS); 1773 if (s < 0) { 1774 if (errno == EPROTONOSUPPORT) 1775 return; 1776 err(1, "socket"); 1777 } 1778 (void) memset(&ifr, 0, sizeof(ifr)); 1779 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1780 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 1781 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1782 if (!force) 1783 return; 1784 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1785 } else 1786 warn("SIOCGIFADDR"); 1787 } 1788 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 1789 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 1790 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 1791 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 1792 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 1793 if (errno == EADDRNOTAVAIL) 1794 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1795 else 1796 warn("SIOCGIFDSTADDR"); 1797 } 1798 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1799 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 1800 printf("--> %s ", ns_ntoa(sns->sns_addr)); 1801 } 1802 putchar('\n'); 1803 } 1804 1805 void 1806 iso_status(force) 1807 int force; 1808 { 1809 struct sockaddr_iso *siso; 1810 struct iso_ifreq ifr; 1811 1812 getsock(AF_ISO); 1813 if (s < 0) { 1814 if (errno == EPROTONOSUPPORT) 1815 return; 1816 err(1, "socket"); 1817 } 1818 (void) memset(&ifr, 0, sizeof(ifr)); 1819 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1820 if (ioctl(s, SIOCGIFADDR_ISO, (caddr_t)&ifr) < 0) { 1821 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1822 if (!force) 1823 return; 1824 (void) memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 1825 } else 1826 warn("SIOCGIFADDR_ISO"); 1827 } 1828 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 1829 siso = &ifr.ifr_Addr; 1830 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 1831 if (ioctl(s, SIOCGIFNETMASK_ISO, (caddr_t)&ifr) < 0) { 1832 if (errno == EADDRNOTAVAIL) 1833 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 1834 else 1835 warn("SIOCGIFNETMASK_ISO"); 1836 } else { 1837 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 1838 siso->siso_addr.isoa_len = siso->siso_len 1839 - offsetof(struct sockaddr_iso, siso_addr); 1840 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 1841 } 1842 if (flags & IFF_POINTOPOINT) { 1843 if (ioctl(s, SIOCGIFDSTADDR_ISO, (caddr_t)&ifr) < 0) { 1844 if (errno == EADDRNOTAVAIL) 1845 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 1846 else 1847 warn("SIOCGIFDSTADDR_ISO"); 1848 } 1849 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1850 siso = &ifr.ifr_Addr; 1851 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 1852 } 1853 putchar('\n'); 1854 } 1855 1856 #endif /* INET_ONLY */ 1857 1858 #define SIN(x) ((struct sockaddr_in *) &(x)) 1859 struct sockaddr_in *sintab[] = { 1860 SIN(ridreq.ifr_addr), SIN(addreq.ifra_addr), 1861 SIN(addreq.ifra_mask), SIN(addreq.ifra_broadaddr)}; 1862 1863 void 1864 in_getaddr(s, which) 1865 char *s; 1866 int which; 1867 { 1868 struct sockaddr_in *sin = sintab[which]; 1869 struct hostent *hp; 1870 struct netent *np; 1871 1872 sin->sin_len = sizeof(*sin); 1873 if (which != MASK) 1874 sin->sin_family = AF_INET; 1875 1876 if (which == ADDR) { 1877 char *p = NULL; 1878 1879 if((p = strrchr(s, '/')) != NULL) { 1880 /* address is `name/masklen' */ 1881 int masklen; 1882 int ret; 1883 struct sockaddr_in *min = sintab[MASK]; 1884 *p = '\0'; 1885 ret = sscanf(p+1, "%u", &masklen); 1886 if(ret != 1 || (masklen < 0 || masklen > 32)) { 1887 *p = '/'; 1888 errx(1, "%s: bad value", s); 1889 } 1890 min->sin_len = sizeof(*min); 1891 min->sin_addr.s_addr = 1892 htonl(~((1LL << (32 - masklen)) - 1) & 1893 0xffffffff); 1894 } 1895 } 1896 1897 if (inet_aton(s, &sin->sin_addr) == 0) { 1898 if ((hp = gethostbyname(s)) != NULL) 1899 (void) memcpy(&sin->sin_addr, hp->h_addr, hp->h_length); 1900 else if ((np = getnetbyname(s)) != NULL) 1901 sin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 1902 else 1903 errx(1, "%s: bad value", s); 1904 } 1905 } 1906 1907 /* 1908 * Print a value a la the %b format of the kernel's printf 1909 */ 1910 void 1911 printb(s, v, bits) 1912 char *s; 1913 char *bits; 1914 unsigned short v; 1915 { 1916 int i, any = 0; 1917 char c; 1918 1919 if (bits && *bits == 8) 1920 printf("%s=%o", s, v); 1921 else 1922 printf("%s=%x", s, v); 1923 bits++; 1924 if (bits) { 1925 putchar('<'); 1926 while ((i = *bits++) != 0) { 1927 if (v & (1 << (i-1))) { 1928 if (any) 1929 putchar(','); 1930 any = 1; 1931 for (; (c = *bits) > 32; bits++) 1932 putchar(c); 1933 } else 1934 for (; *bits > 32; bits++) 1935 ; 1936 } 1937 putchar('>'); 1938 } 1939 } 1940 1941 #ifdef INET6 1942 #define SIN6(x) ((struct sockaddr_in6 *) &(x)) 1943 struct sockaddr_in6 *sin6tab[] = { 1944 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 1945 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 1946 1947 void 1948 in6_getaddr(s, which) 1949 char *s; 1950 int which; 1951 { 1952 #if defined(__KAME__) && defined(KAME_SCOPEID) 1953 struct sockaddr_in6 *sin6 = sin6tab[which]; 1954 struct addrinfo hints, *res; 1955 int error; 1956 1957 memset(&hints, 0, sizeof(hints)); 1958 hints.ai_family = AF_INET6; 1959 hints.ai_socktype = SOCK_DGRAM; 1960 #if 0 /* in_getaddr() allows FQDN */ 1961 hints.ai_flags = AI_NUMERICHOST; 1962 #endif 1963 error = getaddrinfo(s, "0", &hints, &res); 1964 if (error) 1965 errx(1, "%s: %s", s, gai_strerror(error)); 1966 if (res->ai_next) 1967 errx(1, "%s: resolved to multiple hosts", s); 1968 if (res->ai_addrlen != sizeof(struct sockaddr_in6)) 1969 errx(1, "%s: bad value", s); 1970 memcpy(sin6, res->ai_addr, res->ai_addrlen); 1971 freeaddrinfo(res); 1972 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) { 1973 *(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = 1974 htons(sin6->sin6_scope_id); 1975 sin6->sin6_scope_id = 0; 1976 } 1977 #else 1978 struct sockaddr_in6 *sin = sin6tab[which]; 1979 1980 sin->sin6_len = sizeof(*sin); 1981 if (which != MASK) 1982 sin->sin6_family = AF_INET6; 1983 1984 if (which == ADDR) { 1985 char *p = NULL; 1986 if((p = strrchr(s, '/')) != NULL) { 1987 *p = '\0'; 1988 in6_getprefix(p + 1, MASK); 1989 explicit_prefix = 1; 1990 } 1991 } 1992 1993 if (inet_pton(AF_INET6, s, &sin->sin6_addr) != 1) 1994 errx(1, "%s: bad value", s); 1995 #endif 1996 } 1997 1998 void 1999 in6_getprefix(plen, which) 2000 char *plen; 2001 int which; 2002 { 2003 register struct sockaddr_in6 *sin = sin6tab[which]; 2004 register u_char *cp; 2005 int len = strtol(plen, (char **)NULL, 10); 2006 2007 if ((len < 0) || (len > 128)) 2008 errx(1, "%s: bad value", plen); 2009 sin->sin6_len = sizeof(*sin); 2010 if (which != MASK) 2011 sin->sin6_family = AF_INET6; 2012 if ((len == 0) || (len == 128)) { 2013 memset(&sin->sin6_addr, 0xff, sizeof(struct in6_addr)); 2014 return; 2015 } 2016 memset((void *)&sin->sin6_addr, 0x00, sizeof(sin->sin6_addr)); 2017 for (cp = (u_char *)&sin->sin6_addr; len > 7; len -= 8) 2018 *cp++ = 0xff; 2019 *cp = 0xff << (8 - len); 2020 } 2021 2022 int 2023 prefix(val, size) 2024 void *val; 2025 int size; 2026 { 2027 register u_char *name = (u_char *)val; 2028 register int byte, bit, plen = 0; 2029 2030 for (byte = 0; byte < size; byte++, plen += 8) 2031 if (name[byte] != 0xff) 2032 break; 2033 if (byte == size) 2034 return (plen); 2035 for (bit = 7; bit != 0; bit--, plen++) 2036 if (!(name[byte] & (1 << bit))) 2037 break; 2038 for (; bit != 0; bit--) 2039 if (name[byte] & (1 << bit)) 2040 return(0); 2041 byte++; 2042 for (; byte < size; byte++) 2043 if (name[byte]) 2044 return(0); 2045 return (plen); 2046 } 2047 #endif /*INET6*/ 2048 2049 #ifndef INET_ONLY 2050 void 2051 at_getaddr(addr, which) 2052 char *addr; 2053 int which; 2054 { 2055 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 2056 u_int net, node; 2057 2058 sat->sat_family = AF_APPLETALK; 2059 sat->sat_len = sizeof(*sat); 2060 if (which == MASK) 2061 errx(1, "AppleTalk does not use netmasks\n"); 2062 if (sscanf(addr, "%u.%u", &net, &node) != 2 2063 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 2064 errx(1, "%s: illegal address", addr); 2065 sat->sat_addr.s_net = htons(net); 2066 sat->sat_addr.s_node = node; 2067 } 2068 2069 void 2070 setatrange(range, d) 2071 char *range; 2072 int d; 2073 { 2074 u_short first = 123, last = 123; 2075 2076 if (sscanf(range, "%hu-%hu", &first, &last) != 2 2077 || first == 0 || first > 0xffff 2078 || last == 0 || last > 0xffff || first > last) 2079 errx(1, "%s: illegal net range: %u-%u", range, first, last); 2080 at_nr.nr_firstnet = htons(first); 2081 at_nr.nr_lastnet = htons(last); 2082 } 2083 2084 void 2085 setatphase(phase, d) 2086 char *phase; 2087 int d; 2088 { 2089 if (!strcmp(phase, "1")) 2090 at_nr.nr_phase = 1; 2091 else if (!strcmp(phase, "2")) 2092 at_nr.nr_phase = 2; 2093 else 2094 errx(1, "%s: illegal phase", phase); 2095 } 2096 2097 void 2098 checkatrange(sat) 2099 struct sockaddr_at *sat; 2100 { 2101 if (at_nr.nr_phase == 0) 2102 at_nr.nr_phase = 2; /* Default phase 2 */ 2103 if (at_nr.nr_firstnet == 0) 2104 at_nr.nr_firstnet = /* Default range of one */ 2105 at_nr.nr_lastnet = sat->sat_addr.s_net; 2106 printf("\tatalk %d.%d range %d-%d phase %d\n", 2107 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 2108 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 2109 if ((u_short) ntohs(at_nr.nr_firstnet) > 2110 (u_short) ntohs(sat->sat_addr.s_net) 2111 || (u_short) ntohs(at_nr.nr_lastnet) < 2112 (u_short) ntohs(sat->sat_addr.s_net)) 2113 errx(1, "AppleTalk address is not in range"); 2114 *((struct netrange *) &sat->sat_zero) = at_nr; 2115 } 2116 2117 #define SNS(x) ((struct sockaddr_ns *) &(x)) 2118 struct sockaddr_ns *snstab[] = { 2119 SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 2120 SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 2121 2122 void 2123 xns_getaddr(addr, which) 2124 char *addr; 2125 int which; 2126 { 2127 struct sockaddr_ns *sns = snstab[which]; 2128 2129 sns->sns_family = AF_NS; 2130 sns->sns_len = sizeof(*sns); 2131 sns->sns_addr = ns_addr(addr); 2132 if (which == MASK) 2133 puts("Attempt to set XNS netmask will be ineffectual"); 2134 } 2135 2136 #define SISO(x) ((struct sockaddr_iso *) &(x)) 2137 struct sockaddr_iso *sisotab[] = { 2138 SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 2139 SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 2140 2141 void 2142 iso_getaddr(addr, which) 2143 char *addr; 2144 int which; 2145 { 2146 struct sockaddr_iso *siso = sisotab[which]; 2147 siso->siso_addr = *iso_addr(addr); 2148 2149 if (which == MASK) { 2150 siso->siso_len = TSEL(siso) - (caddr_t)(siso); 2151 siso->siso_nlen = 0; 2152 } else { 2153 siso->siso_len = sizeof(*siso); 2154 siso->siso_family = AF_ISO; 2155 } 2156 } 2157 2158 void 2159 setsnpaoffset(val, d) 2160 char *val; 2161 int d; 2162 { 2163 iso_addreq.ifra_snpaoffset = atoi(val); 2164 } 2165 2166 void 2167 setnsellength(val, d) 2168 char *val; 2169 int d; 2170 { 2171 nsellength = atoi(val); 2172 if (nsellength < 0) 2173 errx(1, "Negative NSEL length is absurd"); 2174 if (afp == 0 || afp->af_af != AF_ISO) 2175 errx(1, "Setting NSEL length valid only for iso"); 2176 } 2177 2178 void 2179 fixnsel(s) 2180 struct sockaddr_iso *s; 2181 { 2182 if (s->siso_family == 0) 2183 return; 2184 s->siso_tlen = nsellength; 2185 } 2186 2187 void 2188 adjust_nsellength() 2189 { 2190 fixnsel(sisotab[RIDADDR]); 2191 fixnsel(sisotab[ADDR]); 2192 fixnsel(sisotab[DSTADDR]); 2193 } 2194 2195 #endif /* INET_ONLY */ 2196 2197 void 2198 usage() 2199 { 2200 fprintf(stderr, 2201 "usage: ifconfig [ -m ] [ -A ] %s interface\n%s%s%s%s%s%s%s%s%s%s%s%s", 2202 #ifdef INET6 2203 "[ -L ]", 2204 #else 2205 "", 2206 #endif 2207 "\t[ af [ address [ dest_addr ] ] [ up ] [ down ] ", 2208 "[ netmask mask ] ]\n", 2209 "\t[ metric n ]\n", 2210 "\t[ mtu n ]\n", 2211 "\t[ arp | -arp ]\n", 2212 "\t[ media mtype ]\n", 2213 "\t[ mediaopt mopts ]\n", 2214 "\t[ -mediaopt mopts ]\n", 2215 "\t[ instance minst ]\n", 2216 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n", 2217 " ifconfig -a [ -A ] [ -m ] [ -d ] [ -u ] [ af ]\n", 2218 " ifconfig -l [ -d ] [ -u ]\n"); 2219 exit(1); 2220 } 2221 2222 #ifdef INET6 2223 char * 2224 sec2str(total) 2225 time_t total; 2226 { 2227 static char result[256]; 2228 int days, hours, mins, secs; 2229 int first = 1; 2230 char *p = result; 2231 2232 if (0) { /*XXX*/ 2233 days = total / 3600 / 24; 2234 hours = (total / 3600) % 24; 2235 mins = (total / 60) % 60; 2236 secs = total % 60; 2237 2238 if (days) { 2239 first = 0; 2240 p += sprintf(p, "%dd", days); 2241 } 2242 if (!first || hours) { 2243 first = 0; 2244 p += sprintf(p, "%dh", hours); 2245 } 2246 if (!first || mins) { 2247 first = 0; 2248 p += sprintf(p, "%dm", mins); 2249 } 2250 sprintf(p, "%ds", secs); 2251 } else 2252 sprintf(p, "%lu", (u_long)total); 2253 2254 return(result); 2255 } 2256 #endif 2257
Indexes created Sun Oct 26 17:10:13 GMT 2025