ifconfig.c revision 1.57
1 /* $NetBSD: ifconfig.c,v 1.57 1999/07/26 19:38:36 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1997, 1998 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 1.57 1999/07/26 19:38:36 thorpej 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 <netinet/in.h> 95 #include <netinet/in_var.h> 96 #ifdef INET6 97 #include <netinet6/nd6.h> 98 #endif 99 #include <arpa/inet.h> 100 101 #include <netatalk/at.h> 102 103 #define NSIP 104 #include <netns/ns.h> 105 #include <netns/ns_if.h> 106 #include <netdb.h> 107 108 #define EON 109 #include <netiso/iso.h> 110 #include <netiso/iso_var.h> 111 #include <sys/protosw.h> 112 113 #include <ctype.h> 114 #include <err.h> 115 #include <errno.h> 116 #include <stddef.h> 117 #include <stdio.h> 118 #include <stdlib.h> 119 #include <string.h> 120 #include <unistd.h> 121 122 struct ifreq ifr, ridreq; 123 struct ifaliasreq addreq __attribute__((aligned(4))); 124 #ifdef INET6 125 struct in6_ifreq ifr6; 126 struct in6_ifreq in6_ridreq; 127 struct in6_aliasreq in6_addreq __attribute__((aligned(4))); 128 #endif 129 struct iso_ifreq iso_ridreq; 130 struct iso_aliasreq iso_addreq; 131 struct sockaddr_in netmask; 132 struct netrange at_nr; /* AppleTalk net range */ 133 134 char name[30]; 135 int flags, metric, mtu, setaddr, setipdst, doalias; 136 int clearaddr, s; 137 int newaddr = -1; 138 int nsellength = 1; 139 int af; 140 int Aflag, aflag, bflag, dflag, lflag, mflag, sflag, uflag; 141 #ifdef INET6 142 int Lflag; 143 #endif 144 int reset_if_flags; 145 int explicit_prefix = 0; 146 #if !defined(INET_ONLY) && defined(INET6) 147 char ntop_buf[INET6_ADDRSTRLEN]; /*inet_ntop()*/ 148 #endif /* INET_ONLY */ 149 150 void notealias __P((char *, int)); 151 void notrailers __P((char *, int)); 152 void setifaddr __P((char *, int)); 153 void setifdstaddr __P((char *, int)); 154 void setifflags __P((char *, int)); 155 void setifbroadaddr __P((char *, int)); 156 void setifipdst __P((char *, int)); 157 void setifmetric __P((char *, int)); 158 void setifmtu __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 { "broadcast", NEXTARG, 0, setifbroadaddr }, 226 { "ipdst", NEXTARG, 0, setifipdst }, 227 { "prefixlen", NEXTARG, 0, setifprefixlen}, 228 #ifdef INET6 229 { "anycast", IN6_IFF_ANYCAST, 0, setia6flags }, 230 { "-anycast", -IN6_IFF_ANYCAST, 0, setia6flags }, 231 { "tentative", IN6_IFF_TENTATIVE, 0, setia6flags }, 232 { "-tentative", -IN6_IFF_TENTATIVE, 0, setia6flags }, 233 { "pltime", NEXTARG, 0, setia6pltime }, 234 { "vltime", NEXTARG, 0, setia6vltime }, 235 #endif /*INET6*/ 236 #ifndef INET_ONLY 237 { "range", NEXTARG, 0, setatrange }, 238 { "phase", NEXTARG, 0, setatphase }, 239 { "snpaoffset", NEXTARG, 0, setsnpaoffset }, 240 { "nsellength", NEXTARG, 0, setnsellength }, 241 #endif /* INET_ONLY */ 242 { "link0", IFF_LINK0, 0, setifflags } , 243 { "-link0", -IFF_LINK0, 0, setifflags } , 244 { "link1", IFF_LINK1, 0, setifflags } , 245 { "-link1", -IFF_LINK1, 0, setifflags } , 246 { "link2", IFF_LINK2, 0, setifflags } , 247 { "-link2", -IFF_LINK2, 0, setifflags } , 248 { "media", NEXTARG, A_MEDIA, setmedia }, 249 { "mediaopt", NEXTARG, A_MEDIAOPTSET, setmediaopt }, 250 { "-mediaopt", NEXTARG, A_MEDIAOPTCLR, unsetmediaopt }, 251 { "instance", NEXTARG, A_MEDIAINST, setmediainst }, 252 { "inst", NEXTARG, A_MEDIAINST, setmediainst }, 253 { 0, 0, 0, setifaddr }, 254 { 0, 0, 0, setifdstaddr }, 255 }; 256 257 void adjust_nsellength __P((void)); 258 int getinfo __P((struct ifreq *)); 259 int carrier __P((void)); 260 void getsock __P((int)); 261 void printall __P((void)); 262 void printalias __P((const char *, int)); 263 void printb __P((char *, unsigned short, char *)); 264 int prefix __P((void *, int)); 265 void status __P((const u_int8_t *, int)); 266 void usage __P((void)); 267 char *sec2str __P((time_t)); 268 269 const char *get_media_type_string __P((int)); 270 const char *get_media_subtype_string __P((int)); 271 int get_media_subtype __P((int, const char *)); 272 int get_media_options __P((int, const char *)); 273 int lookup_media_word __P((struct ifmedia_description *, int, 274 const char *)); 275 void print_media_word __P((int, int, int)); 276 void process_media_commands __P((void)); 277 void init_current_media __P((void)); 278 279 /* 280 * XNS support liberally adapted from code written at the University of 281 * Maryland principally by James O'Toole and Chris Torek. 282 */ 283 void in_alias __P((struct ifreq *)); 284 void in_status __P((int)); 285 void in_getaddr __P((char *, int)); 286 #ifdef INET6 287 void in6_alias __P((struct in6_ifreq *)); 288 void in6_status __P((int)); 289 void in6_getaddr __P((char *, int)); 290 void in6_getprefix __P((char *, int)); 291 #endif 292 void at_status __P((int)); 293 void at_getaddr __P((char *, int)); 294 void xns_status __P((int)); 295 void xns_getaddr __P((char *, int)); 296 void iso_status __P((int)); 297 void iso_getaddr __P((char *, int)); 298 299 /* Known address families */ 300 struct afswtch { 301 char *af_name; 302 short af_af; 303 void (*af_status) __P((int)); 304 void (*af_getaddr) __P((char *, int)); 305 void (*af_getprefix) __P((char *, int)); 306 u_long af_difaddr; 307 u_long af_aifaddr; 308 caddr_t af_ridreq; 309 caddr_t af_addreq; 310 } afs[] = { 311 #define C(x) ((caddr_t) &x) 312 { "inet", AF_INET, in_status, in_getaddr, NULL, 313 SIOCDIFADDR, SIOCAIFADDR, C(ridreq), C(addreq) }, 314 #ifdef INET6 315 { "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix, 316 SIOCDIFADDR_IN6, SIOCAIFADDR_IN6, C(in6_ridreq), C(in6_addreq) }, 317 #endif 318 #ifndef INET_ONLY /* small version, for boot media */ 319 { "atalk", AF_APPLETALK, at_status, at_getaddr, NULL, 320 SIOCDIFADDR, SIOCAIFADDR, C(addreq), C(addreq) }, 321 { "ns", AF_NS, xns_status, xns_getaddr, NULL, 322 SIOCDIFADDR, SIOCAIFADDR, C(ridreq), C(addreq) }, 323 { "iso", AF_ISO, iso_status, iso_getaddr, NULL, 324 SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, C(iso_ridreq), C(iso_addreq) }, 325 #endif /* INET_ONLY */ 326 { 0, 0, 0, 0 } 327 }; 328 329 struct afswtch *afp; /*the address family being set or asked about*/ 330 331 struct afswtch *lookup_af __P((const char *)); 332 333 int 334 main(argc, argv) 335 int argc; 336 char *argv[]; 337 { 338 int ch; 339 340 /* Parse command-line options */ 341 aflag = mflag = 0; 342 while ((ch = getopt(argc, argv, "Aabdlmsu" 343 #ifdef INET6 344 "L" 345 #endif 346 )) != -1) { 347 switch (ch) { 348 case 'A': 349 Aflag = 1; 350 break; 351 352 case 'a': 353 aflag = 1; 354 break; 355 356 case 'b': 357 bflag = 1; 358 break; 359 360 case 'd': 361 dflag = 1; 362 break; 363 364 #ifdef INET6 365 case 'L': 366 Lflag = 1; 367 break; 368 #endif 369 370 case 'l': 371 lflag = 1; 372 break; 373 374 case 'm': 375 mflag = 1; 376 break; 377 378 case 's': 379 sflag = 1; 380 break; 381 382 case 'u': 383 uflag = 1; 384 break; 385 386 387 default: 388 usage(); 389 /* NOTREACHED */ 390 } 391 } 392 argc -= optind; 393 argv += optind; 394 395 /* 396 * -l means "list all interfaces", and is mutally exclusive with 397 * all other flags/commands. 398 * 399 * -a means "print status of all interfaces". 400 */ 401 if (lflag && (aflag || mflag || Aflag || argc)) 402 usage(); 403 #ifdef INET6 404 if (lflag && Lflag) 405 usage(); 406 #endif 407 if (aflag || lflag) { 408 if (argc > 1) 409 usage(); 410 else if (argc == 1) { 411 afp = lookup_af(argv[0]); 412 if (afp == NULL) 413 usage(); 414 } 415 if (afp) 416 af = ifr.ifr_addr.sa_family = afp->af_af; 417 else 418 af = ifr.ifr_addr.sa_family = afs[0].af_af; 419 printall(); 420 exit(0); 421 } 422 423 /* Make sure there's an interface name. */ 424 if (argc < 1) 425 usage(); 426 (void) strncpy(name, argv[0], sizeof(name)); 427 argc--; argv++; 428 429 /* Check for address family. */ 430 afp = NULL; 431 if (argc > 0) { 432 afp = lookup_af(argv[0]); 433 if (afp != NULL) { 434 argv++; 435 argc--; 436 } 437 } 438 439 /* Initialize af, just for use in getinfo(). */ 440 if (afp == NULL) 441 af = afs->af_af; 442 else 443 af = afp->af_af; 444 445 /* Get information about the interface. */ 446 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 447 if (getinfo(&ifr) < 0) 448 exit(1); 449 450 if (sflag) { 451 if (argc != 0) 452 usage(); 453 else 454 exit(carrier()); 455 } 456 457 /* No more arguments means interface status. */ 458 if (argc == 0) { 459 status(NULL, 0); 460 exit(0); 461 } 462 463 /* following operations assume inet familiy as default */ 464 if (afp == NULL) 465 afp = afs; 466 af = ifr.ifr_addr.sa_family = afp->af_af; 467 468 #ifdef INET6 469 /* initialization */ 470 in6_addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; 471 in6_addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; 472 #endif 473 474 /* Process commands. */ 475 while (argc > 0) { 476 struct cmd *p; 477 478 for (p = cmds; p->c_name; p++) 479 if (strcmp(argv[0], p->c_name) == 0) 480 break; 481 if (p->c_name == 0 && setaddr) { 482 if ((flags & IFF_POINTOPOINT) == 0) { 483 errx(1, "can't set destination address %s", 484 "on non-point-to-point link"); 485 } 486 p++; /* got src, do dst */ 487 } 488 if (p->c_func) { 489 if (p->c_parameter == NEXTARG) { 490 if (argc < 2) 491 errx(1, "'%s' requires argument", 492 p->c_name); 493 (*p->c_func)(argv[1], 0); 494 argc--, argv++; 495 } else 496 (*p->c_func)(argv[0], p->c_parameter); 497 actions |= p->c_action; 498 } 499 argc--, argv++; 500 } 501 502 /* Process any media commands that may have been issued. */ 503 process_media_commands(); 504 505 if (af == AF_INET6 && explicit_prefix == 0) { 506 /* 507 * Aggregatable address architecture defines all prefixes 508 * are 64. So, it is convenient to set prefixlen to 64 if 509 * it is not specified. 510 */ 511 setifprefixlen("64", 0); 512 /* in6_getprefix("64", MASK) if MASK is available here... */ 513 } 514 515 #ifndef INET_ONLY 516 if (af == AF_ISO) 517 adjust_nsellength(); 518 519 if (af == AF_APPLETALK) 520 checkatrange((struct sockaddr_at *) &addreq.ifra_addr); 521 522 if (setipdst && af==AF_NS) { 523 struct nsip_req rq; 524 int size = sizeof(rq); 525 526 rq.rq_ns = addreq.ifra_addr; 527 rq.rq_ip = addreq.ifra_dstaddr; 528 529 if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0) 530 warn("encapsulation routing"); 531 } 532 533 #endif /* INET_ONLY */ 534 535 if (clearaddr) { 536 int ret; 537 (void) strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name); 538 if ((ret = ioctl(s, afp->af_difaddr, afp->af_ridreq)) < 0) { 539 if (errno == EADDRNOTAVAIL && (doalias >= 0)) { 540 /* means no previous address for interface */ 541 } else 542 warn("SIOCDIFADDR"); 543 } 544 } 545 if (newaddr > 0) { 546 (void) strncpy(afp->af_addreq, name, sizeof ifr.ifr_name); 547 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) < 0) 548 warn("SIOCAIFADDR"); 549 } 550 if (reset_if_flags && ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifr) < 0) 551 err(1, "SIOCSIFFLAGS"); 552 exit(0); 553 } 554 555 struct afswtch * 556 lookup_af(cp) 557 const char *cp; 558 { 559 struct afswtch *a; 560 561 for (a = afs; a->af_name != NULL; a++) 562 if (strcmp(a->af_name, cp) == 0) 563 return (a); 564 return (NULL); 565 } 566 567 void 568 getsock(naf) 569 int naf; 570 { 571 static int oaf = -1; 572 573 if (oaf == naf) 574 return; 575 if (oaf != -1) 576 close(s); 577 s = socket(naf, SOCK_DGRAM, 0); 578 if (s < 0) 579 oaf = -1; 580 else 581 oaf = naf; 582 } 583 584 int 585 getinfo(ifr) 586 struct ifreq *ifr; 587 { 588 589 getsock(af); 590 if (s < 0) 591 err(1, "socket"); 592 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)ifr) < 0) { 593 warn("SIOCGIFFLAGS %s", ifr->ifr_name); 594 return (-1); 595 } 596 flags = ifr->ifr_flags; 597 if (ioctl(s, SIOCGIFMETRIC, (caddr_t)ifr) < 0) { 598 warn("SIOCGIFMETRIC %s", ifr->ifr_name); 599 metric = 0; 600 } else 601 metric = ifr->ifr_metric; 602 if (ioctl(s, SIOCGIFMTU, (caddr_t)ifr) < 0) 603 mtu = 0; 604 else 605 mtu = ifr->ifr_mtu; 606 return (0); 607 } 608 609 void 610 printalias(iname, af) 611 const char *iname; 612 int af; 613 { 614 char inbuf[8192]; 615 struct ifconf ifc; 616 struct ifreq *ifr; 617 int i; 618 619 ifc.ifc_len = sizeof(inbuf); 620 ifc.ifc_buf = inbuf; 621 getsock(af); 622 if (s < 0) 623 err(1, "socket"); 624 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 625 err(1, "SIOCGIFCONF"); 626 ifr = ifc.ifc_req; 627 for (i = 0; i < ifc.ifc_len; ) { 628 ifr = (struct ifreq *)((caddr_t)ifc.ifc_req + i); 629 i += sizeof(ifr->ifr_name) + 630 (ifr->ifr_addr.sa_len > sizeof(struct sockaddr) 631 ? ifr->ifr_addr.sa_len 632 : sizeof(struct sockaddr)); 633 if (!strncmp(iname, ifr->ifr_name, sizeof(ifr->ifr_name))) { 634 if (ifr->ifr_addr.sa_family == af) 635 switch (af) { 636 case AF_INET: 637 in_alias(ifr); 638 break; 639 default: 640 /*none*/ 641 } 642 continue; 643 } 644 } 645 } 646 647 void 648 printall() 649 { 650 char inbuf[8192]; 651 const struct sockaddr_dl *sdl = NULL; 652 struct ifconf ifc; 653 struct ifreq ifreq, *ifr; 654 int i, idx; 655 656 ifc.ifc_len = sizeof(inbuf); 657 ifc.ifc_buf = inbuf; 658 getsock(af); 659 if (s < 0) 660 err(1, "socket"); 661 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 662 err(1, "SIOCGIFCONF"); 663 ifr = ifc.ifc_req; 664 ifreq.ifr_name[0] = '\0'; 665 for (i = 0, idx = 0; i < ifc.ifc_len; ) { 666 ifr = (struct ifreq *)((caddr_t)ifc.ifc_req + i); 667 i += sizeof(ifr->ifr_name) + 668 (ifr->ifr_addr.sa_len > sizeof(struct sockaddr) 669 ? ifr->ifr_addr.sa_len 670 : sizeof(struct sockaddr)); 671 if (ifr->ifr_addr.sa_family == AF_LINK) 672 sdl = (const struct sockaddr_dl *) &ifr->ifr_addr; 673 if (!strncmp(ifreq.ifr_name, ifr->ifr_name, 674 sizeof(ifr->ifr_name))) { 675 if (Aflag && ifr->ifr_addr.sa_family == AF_INET) 676 in_alias(ifr); 677 continue; 678 } 679 (void) strncpy(name, ifr->ifr_name, sizeof(ifr->ifr_name)); 680 ifreq = *ifr; 681 682 if (getinfo(&ifreq) < 0) 683 continue; 684 if (bflag && (flags & (IFF_POINTOPOINT|IFF_LOOPBACK))) 685 continue; 686 if (dflag && (flags & IFF_UP) != 0) 687 continue; 688 if (uflag && (flags & IFF_UP) == 0) 689 continue; 690 691 if (sflag && carrier()) 692 continue; 693 idx++; 694 /* 695 * Are we just listing the interfaces? 696 */ 697 if (lflag) { 698 if (idx > 1) 699 putchar(' '); 700 fputs(name, stdout); 701 continue; 702 } 703 704 if (sdl == NULL) { 705 status(NULL, 0); 706 } else { 707 status(LLADDR(sdl), sdl->sdl_alen); 708 sdl = NULL; 709 } 710 } 711 if (lflag) 712 putchar('\n'); 713 } 714 715 #define RIDADDR 0 716 #define ADDR 1 717 #define MASK 2 718 #define DSTADDR 3 719 720 /*ARGSUSED*/ 721 void 722 setifaddr(addr, param) 723 char *addr; 724 int param; 725 { 726 /* 727 * Delay the ioctl to set the interface addr until flags are all set. 728 * The address interpretation may depend on the flags, 729 * and the flags may change when the address is set. 730 */ 731 setaddr++; 732 if (newaddr == -1) 733 newaddr = 1; 734 if (doalias == 0) 735 clearaddr = 1; 736 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 737 } 738 739 void 740 setifnetmask(addr, d) 741 char *addr; 742 int d; 743 { 744 (*afp->af_getaddr)(addr, MASK); 745 } 746 747 void 748 setifbroadaddr(addr, d) 749 char *addr; 750 int d; 751 { 752 (*afp->af_getaddr)(addr, DSTADDR); 753 } 754 755 void 756 setifipdst(addr, d) 757 char *addr; 758 int d; 759 { 760 in_getaddr(addr, DSTADDR); 761 setipdst++; 762 clearaddr = 0; 763 newaddr = 0; 764 } 765 766 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 767 /*ARGSUSED*/ 768 void 769 notealias(addr, param) 770 char *addr; 771 int param; 772 { 773 if (setaddr && doalias == 0 && param < 0) 774 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 775 rqtosa(af_addreq)->sa_len); 776 doalias = param; 777 if (param < 0) { 778 clearaddr = 1; 779 newaddr = 0; 780 } else 781 clearaddr = 0; 782 } 783 784 /*ARGSUSED*/ 785 void 786 notrailers(vname, value) 787 char *vname; 788 int value; 789 { 790 puts("Note: trailers are no longer sent, but always received"); 791 } 792 793 /*ARGSUSED*/ 794 void 795 setifdstaddr(addr, param) 796 char *addr; 797 int param; 798 { 799 (*afp->af_getaddr)(addr, DSTADDR); 800 } 801 802 void 803 setifflags(vname, value) 804 char *vname; 805 int value; 806 { 807 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifr) < 0) 808 err(1, "SIOCGIFFLAGS"); 809 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 810 flags = ifr.ifr_flags; 811 812 if (value < 0) { 813 value = -value; 814 flags &= ~value; 815 } else 816 flags |= value; 817 ifr.ifr_flags = flags; 818 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifr) < 0) 819 err(1, "SIOCSIFFLAGS"); 820 821 reset_if_flags = 1; 822 } 823 824 #ifdef INET6 825 void 826 setia6flags(vname, value) 827 char *vname; 828 int value; 829 { 830 if (value < 0) { 831 value = -value; 832 in6_addreq.ifra_flags &= ~value; 833 } else 834 in6_addreq.ifra_flags |= value; 835 } 836 837 void 838 setia6pltime(val, d) 839 char *val; 840 int d; 841 { 842 setia6lifetime("pltime", val); 843 } 844 845 void 846 setia6vltime(val, d) 847 char *val; 848 int d; 849 { 850 setia6lifetime("vltime", val); 851 } 852 853 void 854 setia6lifetime(cmd, val) 855 char *cmd; 856 char *val; 857 { 858 time_t newval, t; 859 char *ep; 860 861 t = time(NULL); 862 newval = (time_t)strtoul(val, &ep, 0); 863 if (val == ep) 864 errx(1, "invalid %s", cmd); 865 if (afp->af_af != AF_INET6) 866 errx(1, "%s not allowed for the AF", cmd); 867 if (strcmp(cmd, "vltime") == 0) { 868 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 869 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 870 } else if (strcmp(cmd, "pltime") == 0) { 871 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 872 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 873 } 874 } 875 #endif 876 877 void 878 setifmetric(val, d) 879 char *val; 880 int d; 881 { 882 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 883 ifr.ifr_metric = atoi(val); 884 if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) < 0) 885 warn("SIOCSIFMETRIC"); 886 } 887 888 void 889 setifmtu(val, d) 890 char *val; 891 int d; 892 { 893 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 894 ifr.ifr_mtu = atoi(val); 895 if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) < 0) 896 warn("SIOCSIFMTU"); 897 } 898 899 void 900 init_current_media() 901 { 902 struct ifmediareq ifmr; 903 904 /* 905 * If we have not yet done so, grab the currently-selected 906 * media. 907 */ 908 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 909 (void) memset(&ifmr, 0, sizeof(ifmr)); 910 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 911 912 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 913 /* 914 * If we get E2BIG, the kernel is telling us 915 * that there are more, so we can ignore it. 916 */ 917 if (errno != E2BIG) 918 err(1, "SGIOCGIFMEDIA"); 919 } 920 921 media_current = ifmr.ifm_current; 922 } 923 924 /* Sanity. */ 925 if (IFM_TYPE(media_current) == 0) 926 errx(1, "%s: no link type?", name); 927 } 928 929 void 930 process_media_commands() 931 { 932 933 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 934 /* Nothing to do. */ 935 return; 936 } 937 938 /* 939 * Media already set up, and commands sanity-checked. Set/clear 940 * any options, and we're ready to go. 941 */ 942 media_current |= mediaopt_set; 943 media_current &= ~mediaopt_clear; 944 945 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 946 ifr.ifr_media = media_current; 947 948 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0) 949 err(1, "SIOCSIFMEDIA"); 950 } 951 952 void 953 setmedia(val, d) 954 char *val; 955 int d; 956 { 957 int type, subtype, inst; 958 959 init_current_media(); 960 961 /* Only one media command may be given. */ 962 if (actions & A_MEDIA) 963 errx(1, "only one `media' command may be issued"); 964 965 /* Must not come after mediaopt commands */ 966 if (actions & A_MEDIAOPT) 967 errx(1, "may not issue `media' after `mediaopt' commands"); 968 969 /* 970 * No need to check if `instance' has been issued; setmediainst() 971 * craps out if `media' has not been specified. 972 */ 973 974 type = IFM_TYPE(media_current); 975 inst = IFM_INST(media_current); 976 977 /* Look up the subtype. */ 978 subtype = get_media_subtype(type, val); 979 980 /* Build the new current media word. */ 981 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 982 983 /* Media will be set after other processing is complete. */ 984 } 985 986 void 987 setmediaopt(val, d) 988 char *val; 989 int d; 990 { 991 992 init_current_media(); 993 994 /* Can only issue `mediaopt' once. */ 995 if (actions & A_MEDIAOPTSET) 996 errx(1, "only one `mediaopt' command may be issued"); 997 998 /* Can't issue `mediaopt' if `instance' has already been issued. */ 999 if (actions & A_MEDIAINST) 1000 errx(1, "may not issue `mediaopt' after `instance'"); 1001 1002 mediaopt_set = get_media_options(IFM_TYPE(media_current), val); 1003 1004 /* Media will be set after other processing is complete. */ 1005 } 1006 1007 void 1008 unsetmediaopt(val, d) 1009 char *val; 1010 int d; 1011 { 1012 1013 init_current_media(); 1014 1015 /* Can only issue `-mediaopt' once. */ 1016 if (actions & A_MEDIAOPTCLR) 1017 errx(1, "only one `-mediaopt' command may be issued"); 1018 1019 /* May not issue `media' and `-mediaopt'. */ 1020 if (actions & A_MEDIA) 1021 errx(1, "may not issue both `media' and `-mediaopt'"); 1022 1023 /* 1024 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1025 * implicitly checks for A_MEDIAINST. 1026 */ 1027 1028 mediaopt_clear = get_media_options(IFM_TYPE(media_current), val); 1029 1030 /* Media will be set after other processing is complete. */ 1031 } 1032 1033 void 1034 setmediainst(val, d) 1035 char *val; 1036 int d; 1037 { 1038 int type, subtype, options, inst; 1039 1040 init_current_media(); 1041 1042 /* Can only issue `instance' once. */ 1043 if (actions & A_MEDIAINST) 1044 errx(1, "only one `instance' command may be issued"); 1045 1046 /* Must have already specified `media' */ 1047 if ((actions & A_MEDIA) == 0) 1048 errx(1, "must specify `media' before `instance'"); 1049 1050 type = IFM_TYPE(media_current); 1051 subtype = IFM_SUBTYPE(media_current); 1052 options = IFM_OPTIONS(media_current); 1053 1054 inst = atoi(val); 1055 if (inst < 0 || inst > IFM_INST_MAX) 1056 errx(1, "invalid media instance: %s", val); 1057 1058 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1059 1060 /* Media will be set after other processing is complete. */ 1061 } 1062 1063 struct ifmedia_description ifm_type_descriptions[] = 1064 IFM_TYPE_DESCRIPTIONS; 1065 1066 struct ifmedia_description ifm_subtype_descriptions[] = 1067 IFM_SUBTYPE_DESCRIPTIONS; 1068 1069 struct ifmedia_description ifm_option_descriptions[] = 1070 IFM_OPTION_DESCRIPTIONS; 1071 1072 const char * 1073 get_media_type_string(mword) 1074 int mword; 1075 { 1076 struct ifmedia_description *desc; 1077 1078 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; 1079 desc++) { 1080 if (IFM_TYPE(mword) == desc->ifmt_word) 1081 return (desc->ifmt_string); 1082 } 1083 return ("<unknown type>"); 1084 } 1085 1086 const char * 1087 get_media_subtype_string(mword) 1088 int mword; 1089 { 1090 struct ifmedia_description *desc; 1091 1092 for (desc = ifm_subtype_descriptions; desc->ifmt_string != NULL; 1093 desc++) { 1094 if (IFM_TYPE_MATCH(desc->ifmt_word, mword) && 1095 IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(mword)) 1096 return (desc->ifmt_string); 1097 } 1098 return ("<unknown subtype>"); 1099 } 1100 1101 int 1102 get_media_subtype(type, val) 1103 int type; 1104 const char *val; 1105 { 1106 int rval; 1107 1108 rval = lookup_media_word(ifm_subtype_descriptions, type, val); 1109 if (rval == -1) 1110 errx(1, "unknown %s media subtype: %s", 1111 get_media_type_string(type), val); 1112 1113 return (rval); 1114 } 1115 1116 int 1117 get_media_options(type, val) 1118 int type; 1119 const char *val; 1120 { 1121 char *optlist, *str; 1122 int option, rval = 0; 1123 1124 /* We muck with the string, so copy it. */ 1125 optlist = strdup(val); 1126 if (optlist == NULL) 1127 err(1, "strdup"); 1128 str = optlist; 1129 1130 /* 1131 * Look up the options in the user-provided comma-separated list. 1132 */ 1133 for (; (str = strtok(str, ",")) != NULL; str = NULL) { 1134 option = lookup_media_word(ifm_option_descriptions, type, str); 1135 if (option == -1) 1136 errx(1, "unknown %s media option: %s", 1137 get_media_type_string(type), str); 1138 rval |= option; 1139 } 1140 1141 free(optlist); 1142 return (rval); 1143 } 1144 1145 int 1146 lookup_media_word(desc, type, val) 1147 struct ifmedia_description *desc; 1148 int type; 1149 const char *val; 1150 { 1151 1152 for (; desc->ifmt_string != NULL; desc++) { 1153 if (IFM_TYPE_MATCH(desc->ifmt_word, type) && 1154 strcasecmp(desc->ifmt_string, val) == 0) 1155 return (desc->ifmt_word); 1156 } 1157 return (-1); 1158 } 1159 1160 void 1161 print_media_word(ifmw, print_type, as_syntax) 1162 int ifmw, print_type, as_syntax; 1163 { 1164 struct ifmedia_description *desc; 1165 int seen_option = 0; 1166 1167 if (print_type) 1168 printf("%s ", get_media_type_string(ifmw)); 1169 printf("%s%s", as_syntax ? "media " : "", 1170 get_media_subtype_string(ifmw)); 1171 1172 /* Find options. */ 1173 for (desc = ifm_option_descriptions; desc->ifmt_string != NULL; 1174 desc++) { 1175 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && 1176 (ifmw & desc->ifmt_word) != 0 && 1177 (seen_option & IFM_OPTIONS(desc->ifmt_word)) == 0) { 1178 if (seen_option == 0) 1179 printf(" %s", as_syntax ? "mediaopt " : ""); 1180 printf("%s%s", seen_option ? "," : "", 1181 desc->ifmt_string); 1182 seen_option |= IFM_OPTIONS(desc->ifmt_word); 1183 } 1184 } 1185 if (IFM_INST(ifmw) != 0) 1186 printf(" instance %d", IFM_INST(ifmw)); 1187 } 1188 1189 int carrier() 1190 { 1191 struct ifmediareq ifmr; 1192 1193 (void) memset(&ifmr, 0, sizeof(ifmr)); 1194 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1195 1196 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1197 /* 1198 * Interface doesn't support SIOC{G,S}IFMEDIA; 1199 * assume ok. 1200 */ 1201 return 0; 1202 } 1203 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1204 /* 1205 * Interface doesn't report media-valid status. 1206 * assume ok. 1207 */ 1208 return 0; 1209 } 1210 /* otherwise, return ok for active, not-ok if not active. */ 1211 return !(ifmr.ifm_status & IFM_ACTIVE); 1212 } 1213 1214 1215 #define IFFBITS \ 1216 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 1217 \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 1218 1219 /* 1220 * Print the status of the interface. If an address family was 1221 * specified, show it and it only; otherwise, show them all. 1222 */ 1223 void 1224 status(ap, alen) 1225 const u_int8_t *ap; 1226 int alen; 1227 { 1228 struct afswtch *p = afp; 1229 struct ifmediareq ifmr; 1230 int *media_list, i; 1231 1232 printf("%s: ", name); 1233 printb("flags", flags, IFFBITS); 1234 if (metric) 1235 printf(" metric %d", metric); 1236 if (mtu) 1237 printf(" mtu %d", mtu); 1238 putchar('\n'); 1239 if (ap && alen > 0) { 1240 printf("\taddress:"); 1241 for (i = 0; i < alen; i++, ap++) 1242 printf("%c%02x", i > 0 ? ':' : ' ', *ap); 1243 putchar('\n'); 1244 } 1245 1246 (void) memset(&ifmr, 0, sizeof(ifmr)); 1247 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1248 1249 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1250 /* 1251 * Interface doesn't support SIOC{G,S}IFMEDIA. 1252 */ 1253 goto proto_status; 1254 } 1255 1256 if (ifmr.ifm_count == 0) { 1257 warnx("%s: no media types?", name); 1258 goto proto_status; 1259 } 1260 1261 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1262 if (media_list == NULL) 1263 err(1, "malloc"); 1264 ifmr.ifm_ulist = media_list; 1265 1266 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) 1267 err(1, "SIOCGIFMEDIA"); 1268 1269 printf("\tmedia: "); 1270 print_media_word(ifmr.ifm_current, 1, 0); 1271 if (ifmr.ifm_active != ifmr.ifm_current) { 1272 putchar(' '); 1273 putchar('('); 1274 print_media_word(ifmr.ifm_active, 0, 0); 1275 putchar(')'); 1276 } 1277 putchar('\n'); 1278 1279 if (ifmr.ifm_status & IFM_AVALID) { 1280 printf("\tstatus: "); 1281 switch (IFM_TYPE(ifmr.ifm_active)) { 1282 case IFM_ETHER: 1283 if (ifmr.ifm_status & IFM_ACTIVE) 1284 printf("active"); 1285 else 1286 printf("no carrier"); 1287 break; 1288 1289 case IFM_FDDI: 1290 case IFM_TOKEN: 1291 if (ifmr.ifm_status & IFM_ACTIVE) 1292 printf("inserted"); 1293 else 1294 printf("no ring"); 1295 break; 1296 default: 1297 printf("unknown"); 1298 } 1299 putchar('\n'); 1300 } 1301 1302 if (mflag) { 1303 int type, printed_type; 1304 1305 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 1306 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 1307 if (IFM_TYPE(media_list[i]) == type) { 1308 if (printed_type == 0) { 1309 printf("\tsupported %s media:\n", 1310 get_media_type_string(type)); 1311 printed_type = 1; 1312 } 1313 printf("\t\t"); 1314 print_media_word(media_list[i], 0, 1); 1315 printf("\n"); 1316 } 1317 } 1318 } 1319 } 1320 1321 free(media_list); 1322 1323 proto_status: 1324 if ((p = afp) != NULL) { 1325 (*p->af_status)(1); 1326 if (Aflag & !aflag) 1327 printalias(name, p->af_af); 1328 } else for (p = afs; p->af_name; p++) { 1329 ifr.ifr_addr.sa_family = p->af_af; 1330 (*p->af_status)(0); 1331 if (Aflag & !aflag && p->af_af == AF_INET) 1332 printalias(name, p->af_af); 1333 } 1334 } 1335 1336 void 1337 in_alias(creq) 1338 struct ifreq *creq; 1339 { 1340 struct sockaddr_in *sin; 1341 1342 if (lflag) 1343 return; 1344 1345 /* Get the non-alias address for this interface. */ 1346 getsock(AF_INET); 1347 if (s < 0) { 1348 if (errno == EPROTONOSUPPORT) 1349 return; 1350 err(1, "socket"); 1351 } 1352 (void) memset(&ifr, 0, sizeof(ifr)); 1353 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1354 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 1355 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1356 return; 1357 } else 1358 warn("SIOCGIFADDR"); 1359 } 1360 /* If creq and ifr are the same address, this is not an alias. */ 1361 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 1362 sizeof(creq->ifr_addr)) == 0) 1363 return; 1364 (void) memset(&addreq, 0, sizeof(addreq)); 1365 (void) strncpy(addreq.ifra_name, name, sizeof(addreq.ifra_name)); 1366 addreq.ifra_addr = creq->ifr_addr; 1367 if (ioctl(s, SIOCGIFALIAS, (caddr_t)&addreq) < 0) { 1368 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1369 return; 1370 } else 1371 warn("SIOCGIFALIAS"); 1372 } 1373 1374 sin = (struct sockaddr_in *)&addreq.ifra_addr; 1375 printf("\tinet alias %s", inet_ntoa(sin->sin_addr)); 1376 1377 if (flags & IFF_POINTOPOINT) { 1378 sin = (struct sockaddr_in *)&addreq.ifra_dstaddr; 1379 printf(" -> %s", inet_ntoa(sin->sin_addr)); 1380 } 1381 1382 sin = (struct sockaddr_in *)&addreq.ifra_mask; 1383 printf(" netmask 0x%x", ntohl(sin->sin_addr.s_addr)); 1384 1385 if (flags & IFF_BROADCAST) { 1386 sin = (struct sockaddr_in *)&addreq.ifra_broadaddr; 1387 printf(" broadcast %s", inet_ntoa(sin->sin_addr)); 1388 } 1389 printf("\n"); 1390 } 1391 1392 void 1393 in_status(force) 1394 int force; 1395 { 1396 struct sockaddr_in *sin; 1397 1398 getsock(AF_INET); 1399 if (s < 0) { 1400 if (errno == EPROTONOSUPPORT) 1401 return; 1402 err(1, "socket"); 1403 } 1404 (void) memset(&ifr, 0, sizeof(ifr)); 1405 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1406 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 1407 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1408 if (!force) 1409 return; 1410 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1411 } else 1412 warn("SIOCGIFADDR"); 1413 } 1414 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1415 sin = (struct sockaddr_in *)&ifr.ifr_addr; 1416 printf("\tinet %s ", inet_ntoa(sin->sin_addr)); 1417 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1418 if (ioctl(s, SIOCGIFNETMASK, (caddr_t)&ifr) < 0) { 1419 if (errno != EADDRNOTAVAIL) 1420 warn("SIOCGIFNETMASK"); 1421 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1422 } else 1423 netmask.sin_addr = 1424 ((struct sockaddr_in *)&ifr.ifr_addr)->sin_addr; 1425 if (flags & IFF_POINTOPOINT) { 1426 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 1427 if (errno == EADDRNOTAVAIL) 1428 (void) memset(&ifr.ifr_addr, 0, 1429 sizeof(ifr.ifr_addr)); 1430 else 1431 warn("SIOCGIFDSTADDR"); 1432 } 1433 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1434 sin = (struct sockaddr_in *)&ifr.ifr_dstaddr; 1435 printf("--> %s ", inet_ntoa(sin->sin_addr)); 1436 } 1437 printf("netmask 0x%x ", ntohl(netmask.sin_addr.s_addr)); 1438 if (flags & IFF_BROADCAST) { 1439 if (ioctl(s, SIOCGIFBRDADDR, (caddr_t)&ifr) < 0) { 1440 if (errno == EADDRNOTAVAIL) 1441 (void) memset(&ifr.ifr_addr, 0, 1442 sizeof(ifr.ifr_addr)); 1443 else 1444 warn("SIOCGIFBRDADDR"); 1445 } 1446 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1447 sin = (struct sockaddr_in *)&ifr.ifr_addr; 1448 if (sin->sin_addr.s_addr != 0) 1449 printf("broadcast %s", inet_ntoa(sin->sin_addr)); 1450 } 1451 putchar('\n'); 1452 } 1453 1454 void 1455 setifprefixlen(addr, d) 1456 char *addr; 1457 int d; 1458 { 1459 if (*afp->af_getprefix) 1460 (*afp->af_getprefix)(addr, MASK); 1461 explicit_prefix = 1; 1462 } 1463 1464 #ifdef INET6 1465 /* XXX not really an alias */ 1466 void 1467 in6_alias(creq) 1468 struct in6_ifreq *creq; 1469 { 1470 struct sockaddr_in6 *sin6; 1471 1472 /* Get the non-alias address for this interface. */ 1473 getsock(AF_INET6); 1474 if (s < 0) { 1475 if (errno == EPROTONOSUPPORT) 1476 return; 1477 err(1, "socket"); 1478 } 1479 1480 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 1481 1482 printf("\tinet6 %s", inet_ntop(AF_INET6, &sin6->sin6_addr, 1483 ntop_buf, sizeof(ntop_buf))); 1484 1485 if (flags & IFF_POINTOPOINT) { 1486 (void) memset(&ifr6, 0, sizeof(ifr6)); 1487 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 1488 ifr6.ifr_addr = creq->ifr_addr; 1489 if (ioctl(s, SIOCGIFDSTADDR_IN6, (caddr_t)&ifr6) < 0) { 1490 if (errno != EADDRNOTAVAIL) 1491 warn("SIOCGIFDSTADDR_IN6"); 1492 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 1493 ifr6.ifr_addr.sin6_family = AF_INET6; 1494 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 1495 } 1496 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 1497 printf(" -> %s", inet_ntop(AF_INET6, &sin6->sin6_addr, 1498 ntop_buf, sizeof(ntop_buf))); 1499 } 1500 1501 (void) memset(&ifr6, 0, sizeof(ifr6)); 1502 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 1503 ifr6.ifr_addr = creq->ifr_addr; 1504 if (ioctl(s, SIOCGIFNETMASK_IN6, (caddr_t)&ifr6) < 0) { 1505 if (errno != EADDRNOTAVAIL) 1506 warn("SIOCGIFNETMASK_IN6"); 1507 } else { 1508 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 1509 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 1510 sizeof(struct in6_addr))); 1511 } 1512 1513 (void) memset(&ifr6, 0, sizeof(ifr6)); 1514 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 1515 ifr6.ifr_addr = creq->ifr_addr; 1516 if (ioctl(s, SIOCGIFAFLAG_IN6, (caddr_t)&ifr6) < 0) { 1517 if (errno != EADDRNOTAVAIL) 1518 warn("SIOCGIFAFLAG_IN6"); 1519 } else { 1520 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 1521 printf(" anycast"); 1522 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 1523 printf(" tentative"); 1524 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 1525 printf(" duplicated"); 1526 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 1527 printf(" detached"); 1528 } 1529 1530 if (Lflag) { 1531 struct in6_addrlifetime *lifetime; 1532 (void) memset(&ifr6, 0, sizeof(ifr6)); 1533 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 1534 ifr6.ifr_addr = creq->ifr_addr; 1535 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 1536 if (ioctl(s, SIOCGIFALIFETIME_IN6, (caddr_t)&ifr6) < 0) { 1537 if (errno != EADDRNOTAVAIL) 1538 warn("SIOCGIFALIFETIME_IN6"); 1539 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 1540 time_t t = time(NULL); 1541 printf(" pltime "); 1542 if (lifetime->ia6t_preferred) { 1543 printf("%s", lifetime->ia6t_preferred < t 1544 ? "0" 1545 : sec2str(lifetime->ia6t_preferred - t)); 1546 } else 1547 printf("infty"); 1548 1549 printf(" vltime "); 1550 if (lifetime->ia6t_expire) { 1551 printf("%s", lifetime->ia6t_expire < t 1552 ? "0" 1553 : sec2str(lifetime->ia6t_expire - t)); 1554 } else 1555 printf("infty"); 1556 } 1557 } 1558 1559 printf("\n"); 1560 } 1561 1562 void 1563 in6_status(force) 1564 int force; 1565 { 1566 char inbuf[8192]; 1567 struct ifconf ifc; 1568 struct ifreq *ifr; 1569 int i; 1570 1571 ifc.ifc_len = sizeof(inbuf); 1572 ifc.ifc_buf = inbuf; 1573 getsock(af); 1574 if (s < 0) 1575 err(1, "socket"); 1576 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 1577 err(1, "SIOCGIFCONF"); 1578 ifr = ifc.ifc_req; 1579 for (i = 0; i < ifc.ifc_len; ) { 1580 ifr = (struct ifreq *)((caddr_t)ifc.ifc_req + i); 1581 i += sizeof(ifr->ifr_name) + 1582 (ifr->ifr_addr.sa_len > sizeof(struct sockaddr) 1583 ? ifr->ifr_addr.sa_len 1584 : sizeof(struct sockaddr)); 1585 if (!strncmp(name, ifr->ifr_name, sizeof(ifr->ifr_name))) { 1586 if (ifr->ifr_addr.sa_family == AF_INET6) 1587 in6_alias((struct in6_ifreq *)ifr); 1588 } 1589 } 1590 } 1591 #endif /*INET6*/ 1592 1593 #ifndef INET_ONLY 1594 1595 void 1596 at_status(force) 1597 int force; 1598 { 1599 struct sockaddr_at *sat, null_sat; 1600 struct netrange *nr; 1601 1602 getsock(AF_APPLETALK); 1603 if (s < 0) { 1604 if (errno == EPROTONOSUPPORT) 1605 return; 1606 err(1, "socket"); 1607 } 1608 (void) memset(&ifr, 0, sizeof(ifr)); 1609 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1610 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 1611 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1612 if (!force) 1613 return; 1614 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1615 } else 1616 warn("SIOCGIFADDR"); 1617 } 1618 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 1619 sat = (struct sockaddr_at *)&ifr.ifr_addr; 1620 1621 (void) memset(&null_sat, 0, sizeof(null_sat)); 1622 1623 nr = (struct netrange *) &sat->sat_zero; 1624 printf("\tatalk %d.%d range %d-%d phase %d", 1625 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 1626 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 1627 if (flags & IFF_POINTOPOINT) { 1628 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 1629 if (errno == EADDRNOTAVAIL) 1630 (void) memset(&ifr.ifr_addr, 0, 1631 sizeof(ifr.ifr_addr)); 1632 else 1633 warn("SIOCGIFDSTADDR"); 1634 } 1635 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1636 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 1637 if (!sat) 1638 sat = &null_sat; 1639 printf("--> %d.%d", 1640 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 1641 } 1642 if (flags & IFF_BROADCAST) { 1643 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 1644 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 1645 if (sat) 1646 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 1647 sat->sat_addr.s_node); 1648 } 1649 putchar('\n'); 1650 } 1651 1652 void 1653 xns_status(force) 1654 int force; 1655 { 1656 struct sockaddr_ns *sns; 1657 1658 getsock(AF_NS); 1659 if (s < 0) { 1660 if (errno == EPROTONOSUPPORT) 1661 return; 1662 err(1, "socket"); 1663 } 1664 (void) memset(&ifr, 0, sizeof(ifr)); 1665 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1666 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 1667 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1668 if (!force) 1669 return; 1670 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1671 } else 1672 warn("SIOCGIFADDR"); 1673 } 1674 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 1675 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 1676 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 1677 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 1678 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 1679 if (errno == EADDRNOTAVAIL) 1680 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1681 else 1682 warn("SIOCGIFDSTADDR"); 1683 } 1684 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1685 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 1686 printf("--> %s ", ns_ntoa(sns->sns_addr)); 1687 } 1688 putchar('\n'); 1689 } 1690 1691 void 1692 iso_status(force) 1693 int force; 1694 { 1695 struct sockaddr_iso *siso; 1696 struct iso_ifreq ifr; 1697 1698 getsock(AF_ISO); 1699 if (s < 0) { 1700 if (errno == EPROTONOSUPPORT) 1701 return; 1702 err(1, "socket"); 1703 } 1704 (void) memset(&ifr, 0, sizeof(ifr)); 1705 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1706 if (ioctl(s, SIOCGIFADDR_ISO, (caddr_t)&ifr) < 0) { 1707 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1708 if (!force) 1709 return; 1710 (void) memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 1711 } else 1712 warn("SIOCGIFADDR_ISO"); 1713 } 1714 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 1715 siso = &ifr.ifr_Addr; 1716 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 1717 if (ioctl(s, SIOCGIFNETMASK_ISO, (caddr_t)&ifr) < 0) { 1718 if (errno == EADDRNOTAVAIL) 1719 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 1720 else 1721 warn("SIOCGIFNETMASK_ISO"); 1722 } else { 1723 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 1724 siso->siso_addr.isoa_len = siso->siso_len 1725 - offsetof(struct sockaddr_iso, siso_addr); 1726 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 1727 } 1728 if (flags & IFF_POINTOPOINT) { 1729 if (ioctl(s, SIOCGIFDSTADDR_ISO, (caddr_t)&ifr) < 0) { 1730 if (errno == EADDRNOTAVAIL) 1731 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 1732 else 1733 warn("SIOCGIFDSTADDR_ISO"); 1734 } 1735 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1736 siso = &ifr.ifr_Addr; 1737 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 1738 } 1739 putchar('\n'); 1740 } 1741 1742 #endif /* INET_ONLY */ 1743 1744 #define SIN(x) ((struct sockaddr_in *) &(x)) 1745 struct sockaddr_in *sintab[] = { 1746 SIN(ridreq.ifr_addr), SIN(addreq.ifra_addr), 1747 SIN(addreq.ifra_mask), SIN(addreq.ifra_broadaddr)}; 1748 1749 void 1750 in_getaddr(s, which) 1751 char *s; 1752 int which; 1753 { 1754 struct sockaddr_in *sin = sintab[which]; 1755 struct hostent *hp; 1756 struct netent *np; 1757 1758 sin->sin_len = sizeof(*sin); 1759 if (which != MASK) 1760 sin->sin_family = AF_INET; 1761 1762 if (inet_aton(s, &sin->sin_addr) == 0) { 1763 if ((hp = gethostbyname(s)) != NULL) 1764 (void) memcpy(&sin->sin_addr, hp->h_addr, hp->h_length); 1765 else if ((np = getnetbyname(s)) != NULL) 1766 sin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 1767 else 1768 errx(1, "%s: bad value", s); 1769 } 1770 } 1771 1772 /* 1773 * Print a value a la the %b format of the kernel's printf 1774 */ 1775 void 1776 printb(s, v, bits) 1777 char *s; 1778 char *bits; 1779 unsigned short v; 1780 { 1781 int i, any = 0; 1782 char c; 1783 1784 if (bits && *bits == 8) 1785 printf("%s=%o", s, v); 1786 else 1787 printf("%s=%x", s, v); 1788 bits++; 1789 if (bits) { 1790 putchar('<'); 1791 while ((i = *bits++) != 0) { 1792 if (v & (1 << (i-1))) { 1793 if (any) 1794 putchar(','); 1795 any = 1; 1796 for (; (c = *bits) > 32; bits++) 1797 putchar(c); 1798 } else 1799 for (; *bits > 32; bits++) 1800 ; 1801 } 1802 putchar('>'); 1803 } 1804 } 1805 1806 #ifdef INET6 1807 #define SIN6(x) ((struct sockaddr_in6 *) &(x)) 1808 struct sockaddr_in6 *sin6tab[] = { 1809 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 1810 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 1811 1812 void 1813 in6_getaddr(s, which) 1814 char *s; 1815 int which; 1816 { 1817 struct sockaddr_in6 *sin = sin6tab[which]; 1818 1819 sin->sin6_len = sizeof(*sin); 1820 if (which != MASK) 1821 sin->sin6_family = AF_INET6; 1822 1823 if (inet_pton(AF_INET6, s, &sin->sin6_addr) <= 0) 1824 errx(1, "%s: bad value", s); 1825 } 1826 1827 void 1828 in6_getprefix(plen, which) 1829 char *plen; 1830 int which; 1831 { 1832 register struct sockaddr_in6 *sin = sin6tab[which]; 1833 register u_char *cp; 1834 int len = strtol(plen, (char **)NULL, 10); 1835 1836 if ((len < 0) || (len > 128)) 1837 errx(1, "%s: bad value", plen); 1838 sin->sin6_len = sizeof(*sin); 1839 if (which != MASK) 1840 sin->sin6_family = AF_INET6; 1841 if ((len == 0) || (len == 128)) { 1842 memset(&sin->sin6_addr, 0xff, sizeof(struct in6_addr)); 1843 return; 1844 } 1845 memset((void *)&sin->sin6_addr, 0x00, sizeof(sin->sin6_addr)); 1846 for (cp = (u_char *)&sin->sin6_addr; len > 7; len -= 8) 1847 *cp++ = 0xff; 1848 *cp = 0xff << (8 - len); 1849 } 1850 1851 int 1852 prefix(val, size) 1853 void *val; 1854 int size; 1855 { 1856 register u_char *name = (u_char *)val; 1857 register int byte, bit, plen = 0; 1858 1859 for (byte = 0; byte < size; byte++, plen += 8) 1860 if (name[byte] != 0xff) 1861 break; 1862 if (byte == size) 1863 return (plen); 1864 for (bit = 7; bit != 0; bit--, plen++) 1865 if (!(name[byte] & (1 << bit))) 1866 break; 1867 for (; bit != 0; bit--) 1868 if (name[byte] & (1 << bit)) 1869 return(0); 1870 byte++; 1871 for (; byte < size; byte++) 1872 if (name[byte]) 1873 return(0); 1874 return (plen); 1875 } 1876 #endif /*INET6*/ 1877 1878 #ifndef INET_ONLY 1879 void 1880 at_getaddr(addr, which) 1881 char *addr; 1882 int which; 1883 { 1884 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 1885 u_int net, node; 1886 1887 sat->sat_family = AF_APPLETALK; 1888 sat->sat_len = sizeof(*sat); 1889 if (which == MASK) 1890 errx(1, "AppleTalk does not use netmasks\n"); 1891 if (sscanf(addr, "%u.%u", &net, &node) != 2 1892 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 1893 errx(1, "%s: illegal address", addr); 1894 sat->sat_addr.s_net = htons(net); 1895 sat->sat_addr.s_node = node; 1896 } 1897 1898 void 1899 setatrange(range, d) 1900 char *range; 1901 int d; 1902 { 1903 u_short first = 123, last = 123; 1904 1905 if (sscanf(range, "%hu-%hu", &first, &last) != 2 1906 || first == 0 || first > 0xffff 1907 || last == 0 || last > 0xffff || first > last) 1908 errx(1, "%s: illegal net range: %u-%u", range, first, last); 1909 at_nr.nr_firstnet = htons(first); 1910 at_nr.nr_lastnet = htons(last); 1911 } 1912 1913 void 1914 setatphase(phase, d) 1915 char *phase; 1916 int d; 1917 { 1918 if (!strcmp(phase, "1")) 1919 at_nr.nr_phase = 1; 1920 else if (!strcmp(phase, "2")) 1921 at_nr.nr_phase = 2; 1922 else 1923 errx(1, "%s: illegal phase", phase); 1924 } 1925 1926 void 1927 checkatrange(sat) 1928 struct sockaddr_at *sat; 1929 { 1930 if (at_nr.nr_phase == 0) 1931 at_nr.nr_phase = 2; /* Default phase 2 */ 1932 if (at_nr.nr_firstnet == 0) 1933 at_nr.nr_firstnet = /* Default range of one */ 1934 at_nr.nr_lastnet = sat->sat_addr.s_net; 1935 printf("\tatalk %d.%d range %d-%d phase %d\n", 1936 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 1937 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 1938 if ((u_short) ntohs(at_nr.nr_firstnet) > 1939 (u_short) ntohs(sat->sat_addr.s_net) 1940 || (u_short) ntohs(at_nr.nr_lastnet) < 1941 (u_short) ntohs(sat->sat_addr.s_net)) 1942 errx(1, "AppleTalk address is not in range"); 1943 *((struct netrange *) &sat->sat_zero) = at_nr; 1944 } 1945 1946 #define SNS(x) ((struct sockaddr_ns *) &(x)) 1947 struct sockaddr_ns *snstab[] = { 1948 SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 1949 SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 1950 1951 void 1952 xns_getaddr(addr, which) 1953 char *addr; 1954 int which; 1955 { 1956 struct sockaddr_ns *sns = snstab[which]; 1957 1958 sns->sns_family = AF_NS; 1959 sns->sns_len = sizeof(*sns); 1960 sns->sns_addr = ns_addr(addr); 1961 if (which == MASK) 1962 puts("Attempt to set XNS netmask will be ineffectual"); 1963 } 1964 1965 #define SISO(x) ((struct sockaddr_iso *) &(x)) 1966 struct sockaddr_iso *sisotab[] = { 1967 SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 1968 SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 1969 1970 void 1971 iso_getaddr(addr, which) 1972 char *addr; 1973 int which; 1974 { 1975 struct sockaddr_iso *siso = sisotab[which]; 1976 siso->siso_addr = *iso_addr(addr); 1977 1978 if (which == MASK) { 1979 siso->siso_len = TSEL(siso) - (caddr_t)(siso); 1980 siso->siso_nlen = 0; 1981 } else { 1982 siso->siso_len = sizeof(*siso); 1983 siso->siso_family = AF_ISO; 1984 } 1985 } 1986 1987 void 1988 setsnpaoffset(val, d) 1989 char *val; 1990 int d; 1991 { 1992 iso_addreq.ifra_snpaoffset = atoi(val); 1993 } 1994 1995 void 1996 setnsellength(val, d) 1997 char *val; 1998 int d; 1999 { 2000 nsellength = atoi(val); 2001 if (nsellength < 0) 2002 errx(1, "Negative NSEL length is absurd"); 2003 if (afp == 0 || afp->af_af != AF_ISO) 2004 errx(1, "Setting NSEL length valid only for iso"); 2005 } 2006 2007 void 2008 fixnsel(s) 2009 struct sockaddr_iso *s; 2010 { 2011 if (s->siso_family == 0) 2012 return; 2013 s->siso_tlen = nsellength; 2014 } 2015 2016 void 2017 adjust_nsellength() 2018 { 2019 fixnsel(sisotab[RIDADDR]); 2020 fixnsel(sisotab[ADDR]); 2021 fixnsel(sisotab[DSTADDR]); 2022 } 2023 2024 #endif /* INET_ONLY */ 2025 2026 void 2027 usage() 2028 { 2029 fprintf(stderr, 2030 "usage: ifconfig [ -m ] [ -A ] %s interface\n%s%s%s%s%s%s%s%s%s%s%s%s", 2031 #ifdef INET6 2032 "[ -L ]", 2033 #else 2034 "", 2035 #endif 2036 "\t[ af [ address [ dest_addr ] ] [ up ] [ down ] ", 2037 "[ netmask mask ] ]\n", 2038 "\t[ metric n ]\n", 2039 "\t[ mtu n ]\n", 2040 "\t[ arp | -arp ]\n", 2041 "\t[ media mtype ]\n", 2042 "\t[ mediaopt mopts ]\n", 2043 "\t[ -mediaopt mopts ]\n", 2044 "\t[ instance minst ]\n", 2045 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n", 2046 " ifconfig -a [ -A ] [ -m ] [ -d ] [ -u ] [ af ]\n", 2047 " ifconfig -l [ -d ] [ -u ]\n"); 2048 exit(1); 2049 } 2050 2051 #ifdef INET6 2052 char * 2053 sec2str(total) 2054 time_t total; 2055 { 2056 static char result[256]; 2057 int days, hours, mins, secs; 2058 int first = 1; 2059 char *p = result; 2060 2061 if (0) { /*XXX*/ 2062 days = total / 3600 / 24; 2063 hours = (total / 3600) % 24; 2064 mins = (total / 60) % 60; 2065 secs = total % 60; 2066 2067 if (days) { 2068 first = 0; 2069 p += sprintf(p, "%dd", days); 2070 } 2071 if (!first || hours) { 2072 first = 0; 2073 p += sprintf(p, "%dh", hours); 2074 } 2075 if (!first || mins) { 2076 first = 0; 2077 p += sprintf(p, "%dm", mins); 2078 } 2079 sprintf(p, "%ds", secs); 2080 } else 2081 sprintf(p, "%lu", (u_long)total); 2082 2083 return(result); 2084 } 2085 #endif 2086
Indexes created Tue Sep 30 11:09:46 GMT 2025