ifconfig.c revision 1.58
1 /* $NetBSD: ifconfig.c,v 1.58 1999/07/29 15:40:48 itojun 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 1.58 1999/07/29 15:40:48 itojun 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, siz; 618 char ifrbuf[8192]; 619 620 ifc.ifc_len = sizeof(inbuf); 621 ifc.ifc_buf = inbuf; 622 getsock(af); 623 if (s < 0) 624 err(1, "socket"); 625 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 626 err(1, "SIOCGIFCONF"); 627 ifr = ifc.ifc_req; 628 for (i = 0; i < ifc.ifc_len; ) { 629 ifr = (struct ifreq *)((caddr_t)ifc.ifc_req + i); 630 siz = sizeof(ifr->ifr_name) + 631 (ifr->ifr_addr.sa_len > sizeof(struct sockaddr) 632 ? ifr->ifr_addr.sa_len 633 : sizeof(struct sockaddr)); 634 i += siz; 635 /* avoid alignment issue */ 636 if (sizeof(ifrbuf) < siz) 637 errx(1, "ifr too big"); 638 memcpy(ifrbuf, ifr, siz); 639 ifr = (struct ifreq *)ifrbuf; 640 if (!strncmp(iname, ifr->ifr_name, sizeof(ifr->ifr_name))) { 641 if (ifr->ifr_addr.sa_family == af) 642 switch (af) { 643 case AF_INET: 644 in_alias(ifr); 645 break; 646 default: 647 /*none*/ 648 } 649 continue; 650 } 651 } 652 } 653 654 void 655 printall() 656 { 657 char inbuf[8192]; 658 const struct sockaddr_dl *sdl = NULL; 659 struct ifconf ifc; 660 struct ifreq ifreq, *ifr; 661 int i, siz, idx; 662 char ifrbuf[8192]; 663 664 ifc.ifc_len = sizeof(inbuf); 665 ifc.ifc_buf = inbuf; 666 getsock(af); 667 if (s < 0) 668 err(1, "socket"); 669 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 670 err(1, "SIOCGIFCONF"); 671 ifr = ifc.ifc_req; 672 ifreq.ifr_name[0] = '\0'; 673 for (i = 0, idx = 0; i < ifc.ifc_len; ) { 674 ifr = (struct ifreq *)((caddr_t)ifc.ifc_req + i); 675 siz = sizeof(ifr->ifr_name) + 676 (ifr->ifr_addr.sa_len > sizeof(struct sockaddr) 677 ? ifr->ifr_addr.sa_len 678 : sizeof(struct sockaddr)); 679 i += siz; 680 /* avoid alignment issue */ 681 if (sizeof(ifrbuf) < siz) 682 errx(1, "ifr too big"); 683 memcpy(ifrbuf, ifr, siz); 684 ifr = (struct ifreq *)ifrbuf; 685 if (ifr->ifr_addr.sa_family == AF_LINK) 686 sdl = (const struct sockaddr_dl *) &ifr->ifr_addr; 687 if (!strncmp(ifreq.ifr_name, ifr->ifr_name, 688 sizeof(ifr->ifr_name))) { 689 if (Aflag && ifr->ifr_addr.sa_family == AF_INET) 690 in_alias(ifr); 691 continue; 692 } 693 (void) strncpy(name, ifr->ifr_name, sizeof(ifr->ifr_name)); 694 ifreq = *ifr; 695 696 if (getinfo(&ifreq) < 0) 697 continue; 698 if (bflag && (flags & (IFF_POINTOPOINT|IFF_LOOPBACK))) 699 continue; 700 if (dflag && (flags & IFF_UP) != 0) 701 continue; 702 if (uflag && (flags & IFF_UP) == 0) 703 continue; 704 705 if (sflag && carrier()) 706 continue; 707 idx++; 708 /* 709 * Are we just listing the interfaces? 710 */ 711 if (lflag) { 712 if (idx > 1) 713 putchar(' '); 714 fputs(name, stdout); 715 continue; 716 } 717 718 if (sdl == NULL) { 719 status(NULL, 0); 720 } else { 721 status(LLADDR(sdl), sdl->sdl_alen); 722 sdl = NULL; 723 } 724 } 725 if (lflag) 726 putchar('\n'); 727 } 728 729 #define RIDADDR 0 730 #define ADDR 1 731 #define MASK 2 732 #define DSTADDR 3 733 734 /*ARGSUSED*/ 735 void 736 setifaddr(addr, param) 737 char *addr; 738 int param; 739 { 740 /* 741 * Delay the ioctl to set the interface addr until flags are all set. 742 * The address interpretation may depend on the flags, 743 * and the flags may change when the address is set. 744 */ 745 setaddr++; 746 if (newaddr == -1) 747 newaddr = 1; 748 if (doalias == 0) 749 clearaddr = 1; 750 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 751 } 752 753 void 754 setifnetmask(addr, d) 755 char *addr; 756 int d; 757 { 758 (*afp->af_getaddr)(addr, MASK); 759 } 760 761 void 762 setifbroadaddr(addr, d) 763 char *addr; 764 int d; 765 { 766 (*afp->af_getaddr)(addr, DSTADDR); 767 } 768 769 void 770 setifipdst(addr, d) 771 char *addr; 772 int d; 773 { 774 in_getaddr(addr, DSTADDR); 775 setipdst++; 776 clearaddr = 0; 777 newaddr = 0; 778 } 779 780 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 781 /*ARGSUSED*/ 782 void 783 notealias(addr, param) 784 char *addr; 785 int param; 786 { 787 if (setaddr && doalias == 0 && param < 0) 788 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 789 rqtosa(af_addreq)->sa_len); 790 doalias = param; 791 if (param < 0) { 792 clearaddr = 1; 793 newaddr = 0; 794 } else 795 clearaddr = 0; 796 } 797 798 /*ARGSUSED*/ 799 void 800 notrailers(vname, value) 801 char *vname; 802 int value; 803 { 804 puts("Note: trailers are no longer sent, but always received"); 805 } 806 807 /*ARGSUSED*/ 808 void 809 setifdstaddr(addr, param) 810 char *addr; 811 int param; 812 { 813 (*afp->af_getaddr)(addr, DSTADDR); 814 } 815 816 void 817 setifflags(vname, value) 818 char *vname; 819 int value; 820 { 821 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifr) < 0) 822 err(1, "SIOCGIFFLAGS"); 823 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 824 flags = ifr.ifr_flags; 825 826 if (value < 0) { 827 value = -value; 828 flags &= ~value; 829 } else 830 flags |= value; 831 ifr.ifr_flags = flags; 832 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifr) < 0) 833 err(1, "SIOCSIFFLAGS"); 834 835 reset_if_flags = 1; 836 } 837 838 #ifdef INET6 839 void 840 setia6flags(vname, value) 841 char *vname; 842 int value; 843 { 844 if (value < 0) { 845 value = -value; 846 in6_addreq.ifra_flags &= ~value; 847 } else 848 in6_addreq.ifra_flags |= value; 849 } 850 851 void 852 setia6pltime(val, d) 853 char *val; 854 int d; 855 { 856 setia6lifetime("pltime", val); 857 } 858 859 void 860 setia6vltime(val, d) 861 char *val; 862 int d; 863 { 864 setia6lifetime("vltime", val); 865 } 866 867 void 868 setia6lifetime(cmd, val) 869 char *cmd; 870 char *val; 871 { 872 time_t newval, t; 873 char *ep; 874 875 t = time(NULL); 876 newval = (time_t)strtoul(val, &ep, 0); 877 if (val == ep) 878 errx(1, "invalid %s", cmd); 879 if (afp->af_af != AF_INET6) 880 errx(1, "%s not allowed for the AF", cmd); 881 if (strcmp(cmd, "vltime") == 0) { 882 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 883 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 884 } else if (strcmp(cmd, "pltime") == 0) { 885 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 886 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 887 } 888 } 889 #endif 890 891 void 892 setifmetric(val, d) 893 char *val; 894 int d; 895 { 896 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 897 ifr.ifr_metric = atoi(val); 898 if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) < 0) 899 warn("SIOCSIFMETRIC"); 900 } 901 902 void 903 setifmtu(val, d) 904 char *val; 905 int d; 906 { 907 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 908 ifr.ifr_mtu = atoi(val); 909 if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) < 0) 910 warn("SIOCSIFMTU"); 911 } 912 913 void 914 init_current_media() 915 { 916 struct ifmediareq ifmr; 917 918 /* 919 * If we have not yet done so, grab the currently-selected 920 * media. 921 */ 922 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 923 (void) memset(&ifmr, 0, sizeof(ifmr)); 924 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 925 926 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 927 /* 928 * If we get E2BIG, the kernel is telling us 929 * that there are more, so we can ignore it. 930 */ 931 if (errno != E2BIG) 932 err(1, "SGIOCGIFMEDIA"); 933 } 934 935 media_current = ifmr.ifm_current; 936 } 937 938 /* Sanity. */ 939 if (IFM_TYPE(media_current) == 0) 940 errx(1, "%s: no link type?", name); 941 } 942 943 void 944 process_media_commands() 945 { 946 947 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 948 /* Nothing to do. */ 949 return; 950 } 951 952 /* 953 * Media already set up, and commands sanity-checked. Set/clear 954 * any options, and we're ready to go. 955 */ 956 media_current |= mediaopt_set; 957 media_current &= ~mediaopt_clear; 958 959 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 960 ifr.ifr_media = media_current; 961 962 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0) 963 err(1, "SIOCSIFMEDIA"); 964 } 965 966 void 967 setmedia(val, d) 968 char *val; 969 int d; 970 { 971 int type, subtype, inst; 972 973 init_current_media(); 974 975 /* Only one media command may be given. */ 976 if (actions & A_MEDIA) 977 errx(1, "only one `media' command may be issued"); 978 979 /* Must not come after mediaopt commands */ 980 if (actions & A_MEDIAOPT) 981 errx(1, "may not issue `media' after `mediaopt' commands"); 982 983 /* 984 * No need to check if `instance' has been issued; setmediainst() 985 * craps out if `media' has not been specified. 986 */ 987 988 type = IFM_TYPE(media_current); 989 inst = IFM_INST(media_current); 990 991 /* Look up the subtype. */ 992 subtype = get_media_subtype(type, val); 993 994 /* Build the new current media word. */ 995 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 996 997 /* Media will be set after other processing is complete. */ 998 } 999 1000 void 1001 setmediaopt(val, d) 1002 char *val; 1003 int d; 1004 { 1005 1006 init_current_media(); 1007 1008 /* Can only issue `mediaopt' once. */ 1009 if (actions & A_MEDIAOPTSET) 1010 errx(1, "only one `mediaopt' command may be issued"); 1011 1012 /* Can't issue `mediaopt' if `instance' has already been issued. */ 1013 if (actions & A_MEDIAINST) 1014 errx(1, "may not issue `mediaopt' after `instance'"); 1015 1016 mediaopt_set = get_media_options(IFM_TYPE(media_current), val); 1017 1018 /* Media will be set after other processing is complete. */ 1019 } 1020 1021 void 1022 unsetmediaopt(val, d) 1023 char *val; 1024 int d; 1025 { 1026 1027 init_current_media(); 1028 1029 /* Can only issue `-mediaopt' once. */ 1030 if (actions & A_MEDIAOPTCLR) 1031 errx(1, "only one `-mediaopt' command may be issued"); 1032 1033 /* May not issue `media' and `-mediaopt'. */ 1034 if (actions & A_MEDIA) 1035 errx(1, "may not issue both `media' and `-mediaopt'"); 1036 1037 /* 1038 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1039 * implicitly checks for A_MEDIAINST. 1040 */ 1041 1042 mediaopt_clear = get_media_options(IFM_TYPE(media_current), val); 1043 1044 /* Media will be set after other processing is complete. */ 1045 } 1046 1047 void 1048 setmediainst(val, d) 1049 char *val; 1050 int d; 1051 { 1052 int type, subtype, options, inst; 1053 1054 init_current_media(); 1055 1056 /* Can only issue `instance' once. */ 1057 if (actions & A_MEDIAINST) 1058 errx(1, "only one `instance' command may be issued"); 1059 1060 /* Must have already specified `media' */ 1061 if ((actions & A_MEDIA) == 0) 1062 errx(1, "must specify `media' before `instance'"); 1063 1064 type = IFM_TYPE(media_current); 1065 subtype = IFM_SUBTYPE(media_current); 1066 options = IFM_OPTIONS(media_current); 1067 1068 inst = atoi(val); 1069 if (inst < 0 || inst > IFM_INST_MAX) 1070 errx(1, "invalid media instance: %s", val); 1071 1072 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1073 1074 /* Media will be set after other processing is complete. */ 1075 } 1076 1077 struct ifmedia_description ifm_type_descriptions[] = 1078 IFM_TYPE_DESCRIPTIONS; 1079 1080 struct ifmedia_description ifm_subtype_descriptions[] = 1081 IFM_SUBTYPE_DESCRIPTIONS; 1082 1083 struct ifmedia_description ifm_option_descriptions[] = 1084 IFM_OPTION_DESCRIPTIONS; 1085 1086 const char * 1087 get_media_type_string(mword) 1088 int mword; 1089 { 1090 struct ifmedia_description *desc; 1091 1092 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; 1093 desc++) { 1094 if (IFM_TYPE(mword) == desc->ifmt_word) 1095 return (desc->ifmt_string); 1096 } 1097 return ("<unknown type>"); 1098 } 1099 1100 const char * 1101 get_media_subtype_string(mword) 1102 int mword; 1103 { 1104 struct ifmedia_description *desc; 1105 1106 for (desc = ifm_subtype_descriptions; desc->ifmt_string != NULL; 1107 desc++) { 1108 if (IFM_TYPE_MATCH(desc->ifmt_word, mword) && 1109 IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(mword)) 1110 return (desc->ifmt_string); 1111 } 1112 return ("<unknown subtype>"); 1113 } 1114 1115 int 1116 get_media_subtype(type, val) 1117 int type; 1118 const char *val; 1119 { 1120 int rval; 1121 1122 rval = lookup_media_word(ifm_subtype_descriptions, type, val); 1123 if (rval == -1) 1124 errx(1, "unknown %s media subtype: %s", 1125 get_media_type_string(type), val); 1126 1127 return (rval); 1128 } 1129 1130 int 1131 get_media_options(type, val) 1132 int type; 1133 const char *val; 1134 { 1135 char *optlist, *str; 1136 int option, rval = 0; 1137 1138 /* We muck with the string, so copy it. */ 1139 optlist = strdup(val); 1140 if (optlist == NULL) 1141 err(1, "strdup"); 1142 str = optlist; 1143 1144 /* 1145 * Look up the options in the user-provided comma-separated list. 1146 */ 1147 for (; (str = strtok(str, ",")) != NULL; str = NULL) { 1148 option = lookup_media_word(ifm_option_descriptions, type, str); 1149 if (option == -1) 1150 errx(1, "unknown %s media option: %s", 1151 get_media_type_string(type), str); 1152 rval |= option; 1153 } 1154 1155 free(optlist); 1156 return (rval); 1157 } 1158 1159 int 1160 lookup_media_word(desc, type, val) 1161 struct ifmedia_description *desc; 1162 int type; 1163 const char *val; 1164 { 1165 1166 for (; desc->ifmt_string != NULL; desc++) { 1167 if (IFM_TYPE_MATCH(desc->ifmt_word, type) && 1168 strcasecmp(desc->ifmt_string, val) == 0) 1169 return (desc->ifmt_word); 1170 } 1171 return (-1); 1172 } 1173 1174 void 1175 print_media_word(ifmw, print_type, as_syntax) 1176 int ifmw, print_type, as_syntax; 1177 { 1178 struct ifmedia_description *desc; 1179 int seen_option = 0; 1180 1181 if (print_type) 1182 printf("%s ", get_media_type_string(ifmw)); 1183 printf("%s%s", as_syntax ? "media " : "", 1184 get_media_subtype_string(ifmw)); 1185 1186 /* Find options. */ 1187 for (desc = ifm_option_descriptions; desc->ifmt_string != NULL; 1188 desc++) { 1189 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && 1190 (ifmw & desc->ifmt_word) != 0 && 1191 (seen_option & IFM_OPTIONS(desc->ifmt_word)) == 0) { 1192 if (seen_option == 0) 1193 printf(" %s", as_syntax ? "mediaopt " : ""); 1194 printf("%s%s", seen_option ? "," : "", 1195 desc->ifmt_string); 1196 seen_option |= IFM_OPTIONS(desc->ifmt_word); 1197 } 1198 } 1199 if (IFM_INST(ifmw) != 0) 1200 printf(" instance %d", IFM_INST(ifmw)); 1201 } 1202 1203 int carrier() 1204 { 1205 struct ifmediareq ifmr; 1206 1207 (void) memset(&ifmr, 0, sizeof(ifmr)); 1208 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1209 1210 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1211 /* 1212 * Interface doesn't support SIOC{G,S}IFMEDIA; 1213 * assume ok. 1214 */ 1215 return 0; 1216 } 1217 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1218 /* 1219 * Interface doesn't report media-valid status. 1220 * assume ok. 1221 */ 1222 return 0; 1223 } 1224 /* otherwise, return ok for active, not-ok if not active. */ 1225 return !(ifmr.ifm_status & IFM_ACTIVE); 1226 } 1227 1228 1229 #define IFFBITS \ 1230 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 1231 \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 1232 1233 /* 1234 * Print the status of the interface. If an address family was 1235 * specified, show it and it only; otherwise, show them all. 1236 */ 1237 void 1238 status(ap, alen) 1239 const u_int8_t *ap; 1240 int alen; 1241 { 1242 struct afswtch *p = afp; 1243 struct ifmediareq ifmr; 1244 int *media_list, i; 1245 1246 printf("%s: ", name); 1247 printb("flags", flags, IFFBITS); 1248 if (metric) 1249 printf(" metric %d", metric); 1250 if (mtu) 1251 printf(" mtu %d", mtu); 1252 putchar('\n'); 1253 if (ap && alen > 0) { 1254 printf("\taddress:"); 1255 for (i = 0; i < alen; i++, ap++) 1256 printf("%c%02x", i > 0 ? ':' : ' ', *ap); 1257 putchar('\n'); 1258 } 1259 1260 (void) memset(&ifmr, 0, sizeof(ifmr)); 1261 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1262 1263 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1264 /* 1265 * Interface doesn't support SIOC{G,S}IFMEDIA. 1266 */ 1267 goto proto_status; 1268 } 1269 1270 if (ifmr.ifm_count == 0) { 1271 warnx("%s: no media types?", name); 1272 goto proto_status; 1273 } 1274 1275 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1276 if (media_list == NULL) 1277 err(1, "malloc"); 1278 ifmr.ifm_ulist = media_list; 1279 1280 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) 1281 err(1, "SIOCGIFMEDIA"); 1282 1283 printf("\tmedia: "); 1284 print_media_word(ifmr.ifm_current, 1, 0); 1285 if (ifmr.ifm_active != ifmr.ifm_current) { 1286 putchar(' '); 1287 putchar('('); 1288 print_media_word(ifmr.ifm_active, 0, 0); 1289 putchar(')'); 1290 } 1291 putchar('\n'); 1292 1293 if (ifmr.ifm_status & IFM_AVALID) { 1294 printf("\tstatus: "); 1295 switch (IFM_TYPE(ifmr.ifm_active)) { 1296 case IFM_ETHER: 1297 if (ifmr.ifm_status & IFM_ACTIVE) 1298 printf("active"); 1299 else 1300 printf("no carrier"); 1301 break; 1302 1303 case IFM_FDDI: 1304 case IFM_TOKEN: 1305 if (ifmr.ifm_status & IFM_ACTIVE) 1306 printf("inserted"); 1307 else 1308 printf("no ring"); 1309 break; 1310 default: 1311 printf("unknown"); 1312 } 1313 putchar('\n'); 1314 } 1315 1316 if (mflag) { 1317 int type, printed_type; 1318 1319 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 1320 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 1321 if (IFM_TYPE(media_list[i]) == type) { 1322 if (printed_type == 0) { 1323 printf("\tsupported %s media:\n", 1324 get_media_type_string(type)); 1325 printed_type = 1; 1326 } 1327 printf("\t\t"); 1328 print_media_word(media_list[i], 0, 1); 1329 printf("\n"); 1330 } 1331 } 1332 } 1333 } 1334 1335 free(media_list); 1336 1337 proto_status: 1338 if ((p = afp) != NULL) { 1339 (*p->af_status)(1); 1340 if (Aflag & !aflag) 1341 printalias(name, p->af_af); 1342 } else for (p = afs; p->af_name; p++) { 1343 ifr.ifr_addr.sa_family = p->af_af; 1344 (*p->af_status)(0); 1345 if (Aflag & !aflag && p->af_af == AF_INET) 1346 printalias(name, p->af_af); 1347 } 1348 } 1349 1350 void 1351 in_alias(creq) 1352 struct ifreq *creq; 1353 { 1354 struct sockaddr_in *sin; 1355 1356 if (lflag) 1357 return; 1358 1359 /* Get the non-alias address for this interface. */ 1360 getsock(AF_INET); 1361 if (s < 0) { 1362 if (errno == EPROTONOSUPPORT) 1363 return; 1364 err(1, "socket"); 1365 } 1366 (void) memset(&ifr, 0, sizeof(ifr)); 1367 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1368 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 1369 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1370 return; 1371 } else 1372 warn("SIOCGIFADDR"); 1373 } 1374 /* If creq and ifr are the same address, this is not an alias. */ 1375 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 1376 sizeof(creq->ifr_addr)) == 0) 1377 return; 1378 (void) memset(&addreq, 0, sizeof(addreq)); 1379 (void) strncpy(addreq.ifra_name, name, sizeof(addreq.ifra_name)); 1380 addreq.ifra_addr = creq->ifr_addr; 1381 if (ioctl(s, SIOCGIFALIAS, (caddr_t)&addreq) < 0) { 1382 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1383 return; 1384 } else 1385 warn("SIOCGIFALIAS"); 1386 } 1387 1388 sin = (struct sockaddr_in *)&addreq.ifra_addr; 1389 printf("\tinet alias %s", inet_ntoa(sin->sin_addr)); 1390 1391 if (flags & IFF_POINTOPOINT) { 1392 sin = (struct sockaddr_in *)&addreq.ifra_dstaddr; 1393 printf(" -> %s", inet_ntoa(sin->sin_addr)); 1394 } 1395 1396 sin = (struct sockaddr_in *)&addreq.ifra_mask; 1397 printf(" netmask 0x%x", ntohl(sin->sin_addr.s_addr)); 1398 1399 if (flags & IFF_BROADCAST) { 1400 sin = (struct sockaddr_in *)&addreq.ifra_broadaddr; 1401 printf(" broadcast %s", inet_ntoa(sin->sin_addr)); 1402 } 1403 printf("\n"); 1404 } 1405 1406 void 1407 in_status(force) 1408 int force; 1409 { 1410 struct sockaddr_in *sin; 1411 1412 getsock(AF_INET); 1413 if (s < 0) { 1414 if (errno == EPROTONOSUPPORT) 1415 return; 1416 err(1, "socket"); 1417 } 1418 (void) memset(&ifr, 0, sizeof(ifr)); 1419 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1420 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 1421 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1422 if (!force) 1423 return; 1424 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1425 } else 1426 warn("SIOCGIFADDR"); 1427 } 1428 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1429 sin = (struct sockaddr_in *)&ifr.ifr_addr; 1430 printf("\tinet %s ", inet_ntoa(sin->sin_addr)); 1431 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1432 if (ioctl(s, SIOCGIFNETMASK, (caddr_t)&ifr) < 0) { 1433 if (errno != EADDRNOTAVAIL) 1434 warn("SIOCGIFNETMASK"); 1435 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1436 } else 1437 netmask.sin_addr = 1438 ((struct sockaddr_in *)&ifr.ifr_addr)->sin_addr; 1439 if (flags & IFF_POINTOPOINT) { 1440 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 1441 if (errno == EADDRNOTAVAIL) 1442 (void) memset(&ifr.ifr_addr, 0, 1443 sizeof(ifr.ifr_addr)); 1444 else 1445 warn("SIOCGIFDSTADDR"); 1446 } 1447 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1448 sin = (struct sockaddr_in *)&ifr.ifr_dstaddr; 1449 printf("--> %s ", inet_ntoa(sin->sin_addr)); 1450 } 1451 printf("netmask 0x%x ", ntohl(netmask.sin_addr.s_addr)); 1452 if (flags & IFF_BROADCAST) { 1453 if (ioctl(s, SIOCGIFBRDADDR, (caddr_t)&ifr) < 0) { 1454 if (errno == EADDRNOTAVAIL) 1455 (void) memset(&ifr.ifr_addr, 0, 1456 sizeof(ifr.ifr_addr)); 1457 else 1458 warn("SIOCGIFBRDADDR"); 1459 } 1460 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1461 sin = (struct sockaddr_in *)&ifr.ifr_addr; 1462 if (sin->sin_addr.s_addr != 0) 1463 printf("broadcast %s", inet_ntoa(sin->sin_addr)); 1464 } 1465 putchar('\n'); 1466 } 1467 1468 void 1469 setifprefixlen(addr, d) 1470 char *addr; 1471 int d; 1472 { 1473 if (*afp->af_getprefix) 1474 (*afp->af_getprefix)(addr, MASK); 1475 explicit_prefix = 1; 1476 } 1477 1478 #ifdef INET6 1479 /* XXX not really an alias */ 1480 void 1481 in6_alias(creq) 1482 struct in6_ifreq *creq; 1483 { 1484 struct sockaddr_in6 *sin6; 1485 1486 /* Get the non-alias address for this interface. */ 1487 getsock(AF_INET6); 1488 if (s < 0) { 1489 if (errno == EPROTONOSUPPORT) 1490 return; 1491 err(1, "socket"); 1492 } 1493 1494 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 1495 1496 printf("\tinet6 %s", inet_ntop(AF_INET6, &sin6->sin6_addr, 1497 ntop_buf, sizeof(ntop_buf))); 1498 1499 if (flags & IFF_POINTOPOINT) { 1500 (void) memset(&ifr6, 0, sizeof(ifr6)); 1501 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 1502 ifr6.ifr_addr = creq->ifr_addr; 1503 if (ioctl(s, SIOCGIFDSTADDR_IN6, (caddr_t)&ifr6) < 0) { 1504 if (errno != EADDRNOTAVAIL) 1505 warn("SIOCGIFDSTADDR_IN6"); 1506 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 1507 ifr6.ifr_addr.sin6_family = AF_INET6; 1508 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 1509 } 1510 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 1511 printf(" -> %s", inet_ntop(AF_INET6, &sin6->sin6_addr, 1512 ntop_buf, sizeof(ntop_buf))); 1513 } 1514 1515 (void) memset(&ifr6, 0, sizeof(ifr6)); 1516 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 1517 ifr6.ifr_addr = creq->ifr_addr; 1518 if (ioctl(s, SIOCGIFNETMASK_IN6, (caddr_t)&ifr6) < 0) { 1519 if (errno != EADDRNOTAVAIL) 1520 warn("SIOCGIFNETMASK_IN6"); 1521 } else { 1522 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 1523 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 1524 sizeof(struct in6_addr))); 1525 } 1526 1527 (void) memset(&ifr6, 0, sizeof(ifr6)); 1528 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 1529 ifr6.ifr_addr = creq->ifr_addr; 1530 if (ioctl(s, SIOCGIFAFLAG_IN6, (caddr_t)&ifr6) < 0) { 1531 if (errno != EADDRNOTAVAIL) 1532 warn("SIOCGIFAFLAG_IN6"); 1533 } else { 1534 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 1535 printf(" anycast"); 1536 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 1537 printf(" tentative"); 1538 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 1539 printf(" duplicated"); 1540 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 1541 printf(" detached"); 1542 } 1543 1544 if (Lflag) { 1545 struct in6_addrlifetime *lifetime; 1546 (void) memset(&ifr6, 0, sizeof(ifr6)); 1547 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 1548 ifr6.ifr_addr = creq->ifr_addr; 1549 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 1550 if (ioctl(s, SIOCGIFALIFETIME_IN6, (caddr_t)&ifr6) < 0) { 1551 if (errno != EADDRNOTAVAIL) 1552 warn("SIOCGIFALIFETIME_IN6"); 1553 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 1554 time_t t = time(NULL); 1555 printf(" pltime "); 1556 if (lifetime->ia6t_preferred) { 1557 printf("%s", lifetime->ia6t_preferred < t 1558 ? "0" 1559 : sec2str(lifetime->ia6t_preferred - t)); 1560 } else 1561 printf("infty"); 1562 1563 printf(" vltime "); 1564 if (lifetime->ia6t_expire) { 1565 printf("%s", lifetime->ia6t_expire < t 1566 ? "0" 1567 : sec2str(lifetime->ia6t_expire - t)); 1568 } else 1569 printf("infty"); 1570 } 1571 } 1572 1573 printf("\n"); 1574 } 1575 1576 void 1577 in6_status(force) 1578 int force; 1579 { 1580 char inbuf[8192]; 1581 struct ifconf ifc; 1582 struct ifreq *ifr; 1583 int i, siz; 1584 char ifrbuf[8192]; 1585 1586 ifc.ifc_len = sizeof(inbuf); 1587 ifc.ifc_buf = inbuf; 1588 getsock(af); 1589 if (s < 0) 1590 err(1, "socket"); 1591 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 1592 err(1, "SIOCGIFCONF"); 1593 ifr = ifc.ifc_req; 1594 for (i = 0; i < ifc.ifc_len; ) { 1595 ifr = (struct ifreq *)((caddr_t)ifc.ifc_req + i); 1596 siz = sizeof(ifr->ifr_name) + 1597 (ifr->ifr_addr.sa_len > sizeof(struct sockaddr) 1598 ? ifr->ifr_addr.sa_len 1599 : sizeof(struct sockaddr)); 1600 i += siz; 1601 /* avoid alignment issue */ 1602 if (sizeof(ifrbuf) < siz) 1603 errx(1, "ifr too big"); 1604 memcpy(ifrbuf, ifr, siz); 1605 ifr = (struct ifreq *)ifrbuf; 1606 if (!strncmp(name, ifr->ifr_name, sizeof(ifr->ifr_name))) { 1607 if (ifr->ifr_addr.sa_family == AF_INET6) 1608 in6_alias((struct in6_ifreq *)ifr); 1609 } 1610 } 1611 } 1612 #endif /*INET6*/ 1613 1614 #ifndef INET_ONLY 1615 1616 void 1617 at_status(force) 1618 int force; 1619 { 1620 struct sockaddr_at *sat, null_sat; 1621 struct netrange *nr; 1622 1623 getsock(AF_APPLETALK); 1624 if (s < 0) { 1625 if (errno == EPROTONOSUPPORT) 1626 return; 1627 err(1, "socket"); 1628 } 1629 (void) memset(&ifr, 0, sizeof(ifr)); 1630 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1631 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 1632 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1633 if (!force) 1634 return; 1635 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1636 } else 1637 warn("SIOCGIFADDR"); 1638 } 1639 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 1640 sat = (struct sockaddr_at *)&ifr.ifr_addr; 1641 1642 (void) memset(&null_sat, 0, sizeof(null_sat)); 1643 1644 nr = (struct netrange *) &sat->sat_zero; 1645 printf("\tatalk %d.%d range %d-%d phase %d", 1646 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 1647 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 1648 if (flags & IFF_POINTOPOINT) { 1649 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 1650 if (errno == EADDRNOTAVAIL) 1651 (void) memset(&ifr.ifr_addr, 0, 1652 sizeof(ifr.ifr_addr)); 1653 else 1654 warn("SIOCGIFDSTADDR"); 1655 } 1656 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1657 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 1658 if (!sat) 1659 sat = &null_sat; 1660 printf("--> %d.%d", 1661 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 1662 } 1663 if (flags & IFF_BROADCAST) { 1664 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 1665 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 1666 if (sat) 1667 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 1668 sat->sat_addr.s_node); 1669 } 1670 putchar('\n'); 1671 } 1672 1673 void 1674 xns_status(force) 1675 int force; 1676 { 1677 struct sockaddr_ns *sns; 1678 1679 getsock(AF_NS); 1680 if (s < 0) { 1681 if (errno == EPROTONOSUPPORT) 1682 return; 1683 err(1, "socket"); 1684 } 1685 (void) memset(&ifr, 0, sizeof(ifr)); 1686 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1687 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 1688 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1689 if (!force) 1690 return; 1691 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1692 } else 1693 warn("SIOCGIFADDR"); 1694 } 1695 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 1696 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 1697 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 1698 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 1699 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 1700 if (errno == EADDRNOTAVAIL) 1701 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1702 else 1703 warn("SIOCGIFDSTADDR"); 1704 } 1705 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1706 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 1707 printf("--> %s ", ns_ntoa(sns->sns_addr)); 1708 } 1709 putchar('\n'); 1710 } 1711 1712 void 1713 iso_status(force) 1714 int force; 1715 { 1716 struct sockaddr_iso *siso; 1717 struct iso_ifreq ifr; 1718 1719 getsock(AF_ISO); 1720 if (s < 0) { 1721 if (errno == EPROTONOSUPPORT) 1722 return; 1723 err(1, "socket"); 1724 } 1725 (void) memset(&ifr, 0, sizeof(ifr)); 1726 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1727 if (ioctl(s, SIOCGIFADDR_ISO, (caddr_t)&ifr) < 0) { 1728 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1729 if (!force) 1730 return; 1731 (void) memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 1732 } else 1733 warn("SIOCGIFADDR_ISO"); 1734 } 1735 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 1736 siso = &ifr.ifr_Addr; 1737 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 1738 if (ioctl(s, SIOCGIFNETMASK_ISO, (caddr_t)&ifr) < 0) { 1739 if (errno == EADDRNOTAVAIL) 1740 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 1741 else 1742 warn("SIOCGIFNETMASK_ISO"); 1743 } else { 1744 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 1745 siso->siso_addr.isoa_len = siso->siso_len 1746 - offsetof(struct sockaddr_iso, siso_addr); 1747 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 1748 } 1749 if (flags & IFF_POINTOPOINT) { 1750 if (ioctl(s, SIOCGIFDSTADDR_ISO, (caddr_t)&ifr) < 0) { 1751 if (errno == EADDRNOTAVAIL) 1752 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 1753 else 1754 warn("SIOCGIFDSTADDR_ISO"); 1755 } 1756 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1757 siso = &ifr.ifr_Addr; 1758 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 1759 } 1760 putchar('\n'); 1761 } 1762 1763 #endif /* INET_ONLY */ 1764 1765 #define SIN(x) ((struct sockaddr_in *) &(x)) 1766 struct sockaddr_in *sintab[] = { 1767 SIN(ridreq.ifr_addr), SIN(addreq.ifra_addr), 1768 SIN(addreq.ifra_mask), SIN(addreq.ifra_broadaddr)}; 1769 1770 void 1771 in_getaddr(s, which) 1772 char *s; 1773 int which; 1774 { 1775 struct sockaddr_in *sin = sintab[which]; 1776 struct hostent *hp; 1777 struct netent *np; 1778 1779 sin->sin_len = sizeof(*sin); 1780 if (which != MASK) 1781 sin->sin_family = AF_INET; 1782 1783 if (inet_aton(s, &sin->sin_addr) == 0) { 1784 if ((hp = gethostbyname(s)) != NULL) 1785 (void) memcpy(&sin->sin_addr, hp->h_addr, hp->h_length); 1786 else if ((np = getnetbyname(s)) != NULL) 1787 sin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 1788 else 1789 errx(1, "%s: bad value", s); 1790 } 1791 } 1792 1793 /* 1794 * Print a value a la the %b format of the kernel's printf 1795 */ 1796 void 1797 printb(s, v, bits) 1798 char *s; 1799 char *bits; 1800 unsigned short v; 1801 { 1802 int i, any = 0; 1803 char c; 1804 1805 if (bits && *bits == 8) 1806 printf("%s=%o", s, v); 1807 else 1808 printf("%s=%x", s, v); 1809 bits++; 1810 if (bits) { 1811 putchar('<'); 1812 while ((i = *bits++) != 0) { 1813 if (v & (1 << (i-1))) { 1814 if (any) 1815 putchar(','); 1816 any = 1; 1817 for (; (c = *bits) > 32; bits++) 1818 putchar(c); 1819 } else 1820 for (; *bits > 32; bits++) 1821 ; 1822 } 1823 putchar('>'); 1824 } 1825 } 1826 1827 #ifdef INET6 1828 #define SIN6(x) ((struct sockaddr_in6 *) &(x)) 1829 struct sockaddr_in6 *sin6tab[] = { 1830 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 1831 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 1832 1833 void 1834 in6_getaddr(s, which) 1835 char *s; 1836 int which; 1837 { 1838 struct sockaddr_in6 *sin = sin6tab[which]; 1839 1840 sin->sin6_len = sizeof(*sin); 1841 if (which != MASK) 1842 sin->sin6_family = AF_INET6; 1843 1844 if (inet_pton(AF_INET6, s, &sin->sin6_addr) <= 0) 1845 errx(1, "%s: bad value", s); 1846 } 1847 1848 void 1849 in6_getprefix(plen, which) 1850 char *plen; 1851 int which; 1852 { 1853 register struct sockaddr_in6 *sin = sin6tab[which]; 1854 register u_char *cp; 1855 int len = strtol(plen, (char **)NULL, 10); 1856 1857 if ((len < 0) || (len > 128)) 1858 errx(1, "%s: bad value", plen); 1859 sin->sin6_len = sizeof(*sin); 1860 if (which != MASK) 1861 sin->sin6_family = AF_INET6; 1862 if ((len == 0) || (len == 128)) { 1863 memset(&sin->sin6_addr, 0xff, sizeof(struct in6_addr)); 1864 return; 1865 } 1866 memset((void *)&sin->sin6_addr, 0x00, sizeof(sin->sin6_addr)); 1867 for (cp = (u_char *)&sin->sin6_addr; len > 7; len -= 8) 1868 *cp++ = 0xff; 1869 *cp = 0xff << (8 - len); 1870 } 1871 1872 int 1873 prefix(val, size) 1874 void *val; 1875 int size; 1876 { 1877 register u_char *name = (u_char *)val; 1878 register int byte, bit, plen = 0; 1879 1880 for (byte = 0; byte < size; byte++, plen += 8) 1881 if (name[byte] != 0xff) 1882 break; 1883 if (byte == size) 1884 return (plen); 1885 for (bit = 7; bit != 0; bit--, plen++) 1886 if (!(name[byte] & (1 << bit))) 1887 break; 1888 for (; bit != 0; bit--) 1889 if (name[byte] & (1 << bit)) 1890 return(0); 1891 byte++; 1892 for (; byte < size; byte++) 1893 if (name[byte]) 1894 return(0); 1895 return (plen); 1896 } 1897 #endif /*INET6*/ 1898 1899 #ifndef INET_ONLY 1900 void 1901 at_getaddr(addr, which) 1902 char *addr; 1903 int which; 1904 { 1905 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 1906 u_int net, node; 1907 1908 sat->sat_family = AF_APPLETALK; 1909 sat->sat_len = sizeof(*sat); 1910 if (which == MASK) 1911 errx(1, "AppleTalk does not use netmasks\n"); 1912 if (sscanf(addr, "%u.%u", &net, &node) != 2 1913 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 1914 errx(1, "%s: illegal address", addr); 1915 sat->sat_addr.s_net = htons(net); 1916 sat->sat_addr.s_node = node; 1917 } 1918 1919 void 1920 setatrange(range, d) 1921 char *range; 1922 int d; 1923 { 1924 u_short first = 123, last = 123; 1925 1926 if (sscanf(range, "%hu-%hu", &first, &last) != 2 1927 || first == 0 || first > 0xffff 1928 || last == 0 || last > 0xffff || first > last) 1929 errx(1, "%s: illegal net range: %u-%u", range, first, last); 1930 at_nr.nr_firstnet = htons(first); 1931 at_nr.nr_lastnet = htons(last); 1932 } 1933 1934 void 1935 setatphase(phase, d) 1936 char *phase; 1937 int d; 1938 { 1939 if (!strcmp(phase, "1")) 1940 at_nr.nr_phase = 1; 1941 else if (!strcmp(phase, "2")) 1942 at_nr.nr_phase = 2; 1943 else 1944 errx(1, "%s: illegal phase", phase); 1945 } 1946 1947 void 1948 checkatrange(sat) 1949 struct sockaddr_at *sat; 1950 { 1951 if (at_nr.nr_phase == 0) 1952 at_nr.nr_phase = 2; /* Default phase 2 */ 1953 if (at_nr.nr_firstnet == 0) 1954 at_nr.nr_firstnet = /* Default range of one */ 1955 at_nr.nr_lastnet = sat->sat_addr.s_net; 1956 printf("\tatalk %d.%d range %d-%d phase %d\n", 1957 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 1958 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 1959 if ((u_short) ntohs(at_nr.nr_firstnet) > 1960 (u_short) ntohs(sat->sat_addr.s_net) 1961 || (u_short) ntohs(at_nr.nr_lastnet) < 1962 (u_short) ntohs(sat->sat_addr.s_net)) 1963 errx(1, "AppleTalk address is not in range"); 1964 *((struct netrange *) &sat->sat_zero) = at_nr; 1965 } 1966 1967 #define SNS(x) ((struct sockaddr_ns *) &(x)) 1968 struct sockaddr_ns *snstab[] = { 1969 SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 1970 SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 1971 1972 void 1973 xns_getaddr(addr, which) 1974 char *addr; 1975 int which; 1976 { 1977 struct sockaddr_ns *sns = snstab[which]; 1978 1979 sns->sns_family = AF_NS; 1980 sns->sns_len = sizeof(*sns); 1981 sns->sns_addr = ns_addr(addr); 1982 if (which == MASK) 1983 puts("Attempt to set XNS netmask will be ineffectual"); 1984 } 1985 1986 #define SISO(x) ((struct sockaddr_iso *) &(x)) 1987 struct sockaddr_iso *sisotab[] = { 1988 SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 1989 SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 1990 1991 void 1992 iso_getaddr(addr, which) 1993 char *addr; 1994 int which; 1995 { 1996 struct sockaddr_iso *siso = sisotab[which]; 1997 siso->siso_addr = *iso_addr(addr); 1998 1999 if (which == MASK) { 2000 siso->siso_len = TSEL(siso) - (caddr_t)(siso); 2001 siso->siso_nlen = 0; 2002 } else { 2003 siso->siso_len = sizeof(*siso); 2004 siso->siso_family = AF_ISO; 2005 } 2006 } 2007 2008 void 2009 setsnpaoffset(val, d) 2010 char *val; 2011 int d; 2012 { 2013 iso_addreq.ifra_snpaoffset = atoi(val); 2014 } 2015 2016 void 2017 setnsellength(val, d) 2018 char *val; 2019 int d; 2020 { 2021 nsellength = atoi(val); 2022 if (nsellength < 0) 2023 errx(1, "Negative NSEL length is absurd"); 2024 if (afp == 0 || afp->af_af != AF_ISO) 2025 errx(1, "Setting NSEL length valid only for iso"); 2026 } 2027 2028 void 2029 fixnsel(s) 2030 struct sockaddr_iso *s; 2031 { 2032 if (s->siso_family == 0) 2033 return; 2034 s->siso_tlen = nsellength; 2035 } 2036 2037 void 2038 adjust_nsellength() 2039 { 2040 fixnsel(sisotab[RIDADDR]); 2041 fixnsel(sisotab[ADDR]); 2042 fixnsel(sisotab[DSTADDR]); 2043 } 2044 2045 #endif /* INET_ONLY */ 2046 2047 void 2048 usage() 2049 { 2050 fprintf(stderr, 2051 "usage: ifconfig [ -m ] [ -A ] %s interface\n%s%s%s%s%s%s%s%s%s%s%s%s", 2052 #ifdef INET6 2053 "[ -L ]", 2054 #else 2055 "", 2056 #endif 2057 "\t[ af [ address [ dest_addr ] ] [ up ] [ down ] ", 2058 "[ netmask mask ] ]\n", 2059 "\t[ metric n ]\n", 2060 "\t[ mtu n ]\n", 2061 "\t[ arp | -arp ]\n", 2062 "\t[ media mtype ]\n", 2063 "\t[ mediaopt mopts ]\n", 2064 "\t[ -mediaopt mopts ]\n", 2065 "\t[ instance minst ]\n", 2066 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n", 2067 " ifconfig -a [ -A ] [ -m ] [ -d ] [ -u ] [ af ]\n", 2068 " ifconfig -l [ -d ] [ -u ]\n"); 2069 exit(1); 2070 } 2071 2072 #ifdef INET6 2073 char * 2074 sec2str(total) 2075 time_t total; 2076 { 2077 static char result[256]; 2078 int days, hours, mins, secs; 2079 int first = 1; 2080 char *p = result; 2081 2082 if (0) { /*XXX*/ 2083 days = total / 3600 / 24; 2084 hours = (total / 3600) % 24; 2085 mins = (total / 60) % 60; 2086 secs = total % 60; 2087 2088 if (days) { 2089 first = 0; 2090 p += sprintf(p, "%dd", days); 2091 } 2092 if (!first || hours) { 2093 first = 0; 2094 p += sprintf(p, "%dh", hours); 2095 } 2096 if (!first || mins) { 2097 first = 0; 2098 p += sprintf(p, "%dm", mins); 2099 } 2100 sprintf(p, "%ds", secs); 2101 } else 2102 sprintf(p, "%lu", (u_long)total); 2103 2104 return(result); 2105 } 2106 #endif 2107
Indexes created Tue Sep 30 17:09:57 GMT 2025