ifconfig.c revision 1.53
1 /* $NetBSD: ifconfig.c,v 1.53 1999/07/01 13:19:20 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 1.53 1999/07/01 13:19:20 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 #include <netinet6/nd6.h> 97 #include <arpa/inet.h> 98 99 #include <netatalk/at.h> 100 101 #define NSIP 102 #include <netns/ns.h> 103 #include <netns/ns_if.h> 104 #include <netdb.h> 105 106 #define EON 107 #include <netiso/iso.h> 108 #include <netiso/iso_var.h> 109 #include <sys/protosw.h> 110 111 #include <ctype.h> 112 #include <err.h> 113 #include <errno.h> 114 #include <stddef.h> 115 #include <stdio.h> 116 #include <stdlib.h> 117 #include <string.h> 118 #include <unistd.h> 119 120 struct ifreq ifr, ridreq; 121 struct ifaliasreq addreq __attribute__((aligned(4))); 122 #ifdef INET6 123 struct in6_ifreq ifr6; 124 struct in6_ifreq in6_ridreq; 125 struct in6_aliasreq in6_addreq __attribute__((aligned(4))); 126 #endif 127 struct iso_ifreq iso_ridreq; 128 struct iso_aliasreq iso_addreq; 129 struct sockaddr_in netmask; 130 struct netrange at_nr; /* AppleTalk net range */ 131 132 char name[30]; 133 int flags, metric, mtu, setaddr, setipdst, doalias; 134 int clearaddr, s; 135 int newaddr = -1; 136 int nsellength = 1; 137 int af; 138 int Aflag, aflag, dflag, mflag, lflag, uflag; 139 #ifdef INET6 140 int Lflag; 141 #endif 142 int reset_if_flags; 143 int explicit_prefix = 0; 144 #ifndef INET_ONLY 145 char ntop_buf[INET6_ADDRSTRLEN]; /*inet_ntop()*/ 146 #endif /* INET_ONLY */ 147 148 void notealias __P((char *, int)); 149 void notrailers __P((char *, int)); 150 void setifaddr __P((char *, int)); 151 void setifdstaddr __P((char *, int)); 152 void setifflags __P((char *, int)); 153 void setifbroadaddr __P((char *, int)); 154 void setifipdst __P((char *, int)); 155 void setifmetric __P((char *, int)); 156 void setifmtu __P((char *, int)); 157 void setifnetmask __P((char *, int)); 158 void setifprefixlen __P((char *, int)); 159 void setnsellength __P((char *, int)); 160 void setsnpaoffset __P((char *, int)); 161 void setatrange __P((char *, int)); 162 void setatphase __P((char *, int)); 163 #ifdef INET6 164 void setia6flags __P((char *, int)); 165 void setia6pltime __P((char *, int)); 166 void setia6vltime __P((char *, int)); 167 void setia6lifetime __P((char *, char *)); 168 #endif 169 void checkatrange __P ((struct sockaddr_at *)); 170 void setmedia __P((char *, int)); 171 void setmediaopt __P((char *, int)); 172 void unsetmediaopt __P((char *, int)); 173 void setmediainst __P((char *, int)); 174 void fixnsel __P((struct sockaddr_iso *)); 175 int main __P((int, char *[])); 176 177 /* 178 * Media stuff. Whenever a media command is first performed, the 179 * currently select media is grabbed for this interface. If `media' 180 * is given, the current media word is modifed. `mediaopt' commands 181 * only modify the set and clear words. They then operate on the 182 * current media word later. 183 */ 184 int media_current; 185 int mediaopt_set; 186 int mediaopt_clear; 187 188 int actions; /* Actions performed */ 189 190 #define A_MEDIA 0x0001 /* media command */ 191 #define A_MEDIAOPTSET 0x0002 /* mediaopt command */ 192 #define A_MEDIAOPTCLR 0x0004 /* -mediaopt command */ 193 #define A_MEDIAOPT (A_MEDIAOPTSET|A_MEDIAOPTCLR) 194 #define A_MEDIAINST 0x0008 /* instance or inst command */ 195 196 #define NEXTARG 0xffffff 197 198 struct cmd { 199 char *c_name; 200 int c_parameter; /* NEXTARG means next argv */ 201 int c_action; /* defered action */ 202 void (*c_func) __P((char *, int)); 203 } cmds[] = { 204 { "up", IFF_UP, 0, setifflags } , 205 { "down", -IFF_UP, 0, setifflags }, 206 { "trailers", -1, 0, notrailers }, 207 { "-trailers", 1, 0, notrailers }, 208 { "arp", -IFF_NOARP, 0, setifflags }, 209 { "-arp", IFF_NOARP, 0, setifflags }, 210 { "debug", IFF_DEBUG, 0, setifflags }, 211 { "-debug", -IFF_DEBUG, 0, setifflags }, 212 { "alias", IFF_UP, 0, notealias }, 213 { "-alias", -IFF_UP, 0, notealias }, 214 { "delete", -IFF_UP, 0, notealias }, 215 #ifdef notdef 216 #define EN_SWABIPS 0x1000 217 { "swabips", EN_SWABIPS, 0, setifflags }, 218 { "-swabips", -EN_SWABIPS, 0, setifflags }, 219 #endif 220 { "netmask", NEXTARG, 0, setifnetmask }, 221 { "metric", NEXTARG, 0, setifmetric }, 222 { "mtu", NEXTARG, 0, setifmtu }, 223 { "broadcast", NEXTARG, 0, setifbroadaddr }, 224 { "ipdst", NEXTARG, 0, setifipdst }, 225 { "prefixlen", NEXTARG, 0, setifprefixlen}, 226 #ifdef INET6 227 { "anycast", IN6_IFF_ANYCAST, 0, setia6flags }, 228 { "-anycast", -IN6_IFF_ANYCAST, 0, setia6flags }, 229 { "tentative", IN6_IFF_TENTATIVE, 0, setia6flags }, 230 { "-tentative", -IN6_IFF_TENTATIVE, 0, setia6flags }, 231 { "pltime", NEXTARG, 0, setia6pltime }, 232 { "vltime", NEXTARG, 0, setia6vltime }, 233 #endif /*INET6*/ 234 #ifndef INET_ONLY 235 { "range", NEXTARG, 0, setatrange }, 236 { "phase", NEXTARG, 0, setatphase }, 237 { "snpaoffset", NEXTARG, 0, setsnpaoffset }, 238 { "nsellength", NEXTARG, 0, setnsellength }, 239 #endif /* INET_ONLY */ 240 { "link0", IFF_LINK0, 0, setifflags } , 241 { "-link0", -IFF_LINK0, 0, setifflags } , 242 { "link1", IFF_LINK1, 0, setifflags } , 243 { "-link1", -IFF_LINK1, 0, setifflags } , 244 { "link2", IFF_LINK2, 0, setifflags } , 245 { "-link2", -IFF_LINK2, 0, setifflags } , 246 { "media", NEXTARG, A_MEDIA, setmedia }, 247 { "mediaopt", NEXTARG, A_MEDIAOPTSET, setmediaopt }, 248 { "-mediaopt", NEXTARG, A_MEDIAOPTCLR, unsetmediaopt }, 249 { "instance", NEXTARG, A_MEDIAINST, setmediainst }, 250 { "inst", NEXTARG, A_MEDIAINST, setmediainst }, 251 { 0, 0, 0, setifaddr }, 252 { 0, 0, 0, setifdstaddr }, 253 }; 254 255 void adjust_nsellength __P((void)); 256 int getinfo __P((struct ifreq *)); 257 void getsock __P((int)); 258 void printall __P((void)); 259 void printalias __P((const char *, int)); 260 void printb __P((char *, unsigned short, char *)); 261 int prefix __P((void *, int)); 262 void status __P((const u_int8_t *, int)); 263 void usage __P((void)); 264 char *sec2str __P((time_t)); 265 266 const char *get_media_type_string __P((int)); 267 const char *get_media_subtype_string __P((int)); 268 int get_media_subtype __P((int, const char *)); 269 int get_media_options __P((int, const char *)); 270 int lookup_media_word __P((struct ifmedia_description *, int, 271 const char *)); 272 void print_media_word __P((int, int, int)); 273 void process_media_commands __P((void)); 274 void init_current_media __P((void)); 275 276 /* 277 * XNS support liberally adapted from code written at the University of 278 * Maryland principally by James O'Toole and Chris Torek. 279 */ 280 void in_alias __P((struct ifreq *)); 281 void in_status __P((int)); 282 void in_getaddr __P((char *, int)); 283 #ifdef INET6 284 void in6_alias __P((struct in6_ifreq *)); 285 void in6_status __P((int)); 286 void in6_getaddr __P((char *, int)); 287 void in6_getprefix __P((char *, int)); 288 #endif 289 void at_status __P((int)); 290 void at_getaddr __P((char *, int)); 291 void xns_status __P((int)); 292 void xns_getaddr __P((char *, int)); 293 void iso_status __P((int)); 294 void iso_getaddr __P((char *, int)); 295 296 /* Known address families */ 297 struct afswtch { 298 char *af_name; 299 short af_af; 300 void (*af_status) __P((int)); 301 void (*af_getaddr) __P((char *, int)); 302 void (*af_getprefix) __P((char *, int)); 303 u_long af_difaddr; 304 u_long af_aifaddr; 305 caddr_t af_ridreq; 306 caddr_t af_addreq; 307 } afs[] = { 308 #define C(x) ((caddr_t) &x) 309 { "inet", AF_INET, in_status, in_getaddr, NULL, 310 SIOCDIFADDR, SIOCAIFADDR, C(ridreq), C(addreq) }, 311 #ifdef INET6 312 { "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix, 313 SIOCDIFADDR_IN6, SIOCAIFADDR_IN6, C(in6_ridreq), C(in6_addreq) }, 314 #endif 315 #ifndef INET_ONLY /* small version, for boot media */ 316 { "atalk", AF_APPLETALK, at_status, at_getaddr, NULL, 317 SIOCDIFADDR, SIOCAIFADDR, C(addreq), C(addreq) }, 318 { "ns", AF_NS, xns_status, xns_getaddr, NULL, 319 SIOCDIFADDR, SIOCAIFADDR, C(ridreq), C(addreq) }, 320 { "iso", AF_ISO, iso_status, iso_getaddr, NULL, 321 SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, C(iso_ridreq), C(iso_addreq) }, 322 #endif /* INET_ONLY */ 323 { 0, 0, 0, 0 } 324 }; 325 326 struct afswtch *afp; /*the address family being set or asked about*/ 327 328 struct afswtch *lookup_af __P((const char *)); 329 330 int 331 main(argc, argv) 332 int argc; 333 char *argv[]; 334 { 335 int ch; 336 337 /* Parse command-line options */ 338 aflag = mflag = 0; 339 while ((ch = getopt(argc, argv, "Aadlmu" 340 #ifdef INET6 341 "L" 342 #endif 343 )) != -1) { 344 switch (ch) { 345 case 'A': 346 Aflag = 1; 347 break; 348 349 case 'a': 350 aflag = 1; 351 break; 352 353 case 'd': 354 dflag = 1; 355 break; 356 357 #ifdef INET6 358 case 'L': 359 Lflag = 1; 360 break; 361 #endif 362 363 case 'l': 364 lflag = 1; 365 break; 366 367 case 'm': 368 mflag = 1; 369 break; 370 371 case 'u': 372 uflag = 1; 373 break; 374 375 default: 376 usage(); 377 /* NOTREACHED */ 378 } 379 } 380 argc -= optind; 381 argv += optind; 382 383 /* 384 * -l means "list all interfaces", and is mutally exclusive with 385 * all other flags/commands. 386 * 387 * -a means "print status of all interfaces". 388 */ 389 if (lflag && (aflag || mflag || argc)) 390 usage(); 391 if (aflag || lflag) { 392 if (argc > 1) 393 usage(); 394 else if (argc == 1) { 395 afp = lookup_af(argv[0]); 396 if (afp == NULL) 397 usage(); 398 } 399 if (afp) 400 af = ifr.ifr_addr.sa_family = afp->af_af; 401 else 402 af = ifr.ifr_addr.sa_family = afs[0].af_af; 403 printall(); 404 exit(0); 405 } 406 407 /* Make sure there's an interface name. */ 408 if (argc < 1) 409 usage(); 410 (void) strncpy(name, argv[0], sizeof(name)); 411 argc--; argv++; 412 413 /* Check for address family. */ 414 afp = NULL; 415 if (argc > 0) { 416 afp = lookup_af(argv[0]); 417 if (afp != NULL) { 418 argv++; 419 argc--; 420 } 421 } 422 423 /* Initialize af, just for use in getinfo(). */ 424 if (afp == NULL) 425 af = afs->af_af; 426 else 427 af = afp->af_af; 428 429 /* Get information about the interface. */ 430 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 431 if (getinfo(&ifr) < 0) 432 exit(1); 433 434 /* No more arguments means interface status. */ 435 if (argc == 0) { 436 status(NULL, 0); 437 exit(0); 438 } 439 440 /* following operations assume inet familiy as default */ 441 if (afp == NULL) 442 afp = afs; 443 af = ifr.ifr_addr.sa_family = afp->af_af; 444 445 #ifdef INET6 446 /* initialization */ 447 in6_addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME; 448 in6_addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME; 449 #endif 450 451 /* Process commands. */ 452 while (argc > 0) { 453 struct cmd *p; 454 455 for (p = cmds; p->c_name; p++) 456 if (strcmp(argv[0], p->c_name) == 0) 457 break; 458 if (p->c_name == 0 && setaddr) 459 p++; /* got src, do dst */ 460 if (p->c_func) { 461 if (p->c_parameter == NEXTARG) { 462 if (argc < 2) 463 errx(1, "'%s' requires argument", 464 p->c_name); 465 (*p->c_func)(argv[1], 0); 466 argc--, argv++; 467 } else 468 (*p->c_func)(argv[0], p->c_parameter); 469 actions |= p->c_action; 470 } 471 argc--, argv++; 472 } 473 474 /* Process any media commands that may have been issued. */ 475 process_media_commands(); 476 477 if (af == AF_INET6 && explicit_prefix == 0) { 478 /* 479 * Aggregatable address architecture defines all prefixes 480 * are 64. So, it is convenient to set prefixlen to 64 if 481 * it is not specified. 482 */ 483 setifprefixlen("64", 0); 484 /* in6_getprefix("64", MASK) if MASK is available here... */ 485 } 486 487 #ifndef INET_ONLY 488 if (af == AF_ISO) 489 adjust_nsellength(); 490 491 if (af == AF_APPLETALK) 492 checkatrange((struct sockaddr_at *) &addreq.ifra_addr); 493 494 if (setipdst && af==AF_NS) { 495 struct nsip_req rq; 496 int size = sizeof(rq); 497 498 rq.rq_ns = addreq.ifra_addr; 499 rq.rq_ip = addreq.ifra_dstaddr; 500 501 if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0) 502 warn("encapsulation routing"); 503 } 504 505 #endif /* INET_ONLY */ 506 507 if (clearaddr) { 508 int ret; 509 (void) strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name); 510 if ((ret = ioctl(s, afp->af_difaddr, afp->af_ridreq)) < 0) { 511 if (errno == EADDRNOTAVAIL && (doalias >= 0)) { 512 /* means no previous address for interface */ 513 } else 514 warn("SIOCDIFADDR"); 515 } 516 } 517 if (newaddr > 0) { 518 (void) strncpy(afp->af_addreq, name, sizeof ifr.ifr_name); 519 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) < 0) 520 warn("SIOCAIFADDR"); 521 } 522 if (reset_if_flags && ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifr) < 0) 523 err(1, "SIOCSIFFLAGS"); 524 exit(0); 525 } 526 527 struct afswtch * 528 lookup_af(cp) 529 const char *cp; 530 { 531 struct afswtch *a; 532 533 for (a = afs; a->af_name != NULL; a++) 534 if (strcmp(a->af_name, cp) == 0) 535 return (a); 536 return (NULL); 537 } 538 539 void 540 getsock(naf) 541 int naf; 542 { 543 static int oaf = -1; 544 545 if (oaf == naf) 546 return; 547 if (oaf != -1) 548 close(s); 549 s = socket(naf, SOCK_DGRAM, 0); 550 if (s < 0) 551 oaf = -1; 552 else 553 oaf = naf; 554 } 555 556 int 557 getinfo(ifr) 558 struct ifreq *ifr; 559 { 560 561 getsock(af); 562 if (s < 0) 563 err(1, "socket"); 564 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)ifr) < 0) { 565 warn("SIOCGIFFLAGS %s", ifr->ifr_name); 566 return (-1); 567 } 568 flags = ifr->ifr_flags; 569 if (ioctl(s, SIOCGIFMETRIC, (caddr_t)ifr) < 0) { 570 warn("SIOCGIFMETRIC %s", ifr->ifr_name); 571 metric = 0; 572 } else 573 metric = ifr->ifr_metric; 574 if (ioctl(s, SIOCGIFMTU, (caddr_t)ifr) < 0) 575 mtu = 0; 576 else 577 mtu = ifr->ifr_mtu; 578 return (0); 579 } 580 581 void 582 printalias(iname, af) 583 const char *iname; 584 int af; 585 { 586 char inbuf[8192]; 587 struct ifconf ifc; 588 struct ifreq *ifr; 589 int i; 590 591 ifc.ifc_len = sizeof(inbuf); 592 ifc.ifc_buf = inbuf; 593 getsock(af); 594 if (s < 0) 595 err(1, "socket"); 596 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 597 err(1, "SIOCGIFCONF"); 598 ifr = ifc.ifc_req; 599 for (i = 0; i < ifc.ifc_len; ) { 600 ifr = (struct ifreq *)((caddr_t)ifc.ifc_req + i); 601 i += sizeof(ifr->ifr_name) + 602 (ifr->ifr_addr.sa_len > sizeof(struct sockaddr) 603 ? ifr->ifr_addr.sa_len 604 : sizeof(struct sockaddr)); 605 if (!strncmp(iname, ifr->ifr_name, sizeof(ifr->ifr_name))) { 606 if (ifr->ifr_addr.sa_family == af) 607 switch (af) { 608 case AF_INET: 609 in_alias(ifr); 610 break; 611 default: 612 /*none*/ 613 } 614 continue; 615 } 616 } 617 } 618 619 void 620 printall() 621 { 622 char inbuf[8192]; 623 const struct sockaddr_dl *sdl = NULL; 624 struct ifconf ifc; 625 struct ifreq ifreq, *ifr; 626 int i, idx; 627 628 ifc.ifc_len = sizeof(inbuf); 629 ifc.ifc_buf = inbuf; 630 getsock(af); 631 if (s < 0) 632 err(1, "socket"); 633 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 634 err(1, "SIOCGIFCONF"); 635 ifr = ifc.ifc_req; 636 ifreq.ifr_name[0] = '\0'; 637 for (i = 0, idx = 0; i < ifc.ifc_len; ) { 638 ifr = (struct ifreq *)((caddr_t)ifc.ifc_req + i); 639 i += sizeof(ifr->ifr_name) + 640 (ifr->ifr_addr.sa_len > sizeof(struct sockaddr) 641 ? ifr->ifr_addr.sa_len 642 : sizeof(struct sockaddr)); 643 if (ifr->ifr_addr.sa_family == AF_LINK) 644 sdl = (const struct sockaddr_dl *) &ifr->ifr_addr; 645 if (!strncmp(ifreq.ifr_name, ifr->ifr_name, 646 sizeof(ifr->ifr_name))) { 647 if (Aflag && ifr->ifr_addr.sa_family == AF_INET) 648 in_alias(ifr); 649 continue; 650 } 651 (void) strncpy(name, ifr->ifr_name, sizeof(ifr->ifr_name)); 652 ifreq = *ifr; 653 654 if (getinfo(&ifreq) < 0) 655 continue; 656 if (dflag && (flags & IFF_UP) != 0) 657 continue; 658 if (uflag && (flags & IFF_UP) == 0) 659 continue; 660 661 idx++; 662 /* 663 * Are we just listing the interfaces? 664 */ 665 if (lflag) { 666 if (idx > 1) 667 putchar(' '); 668 fputs(name, stdout); 669 continue; 670 } 671 672 if (sdl == NULL) { 673 status(NULL, 0); 674 } else { 675 status(LLADDR(sdl), sdl->sdl_alen); 676 sdl = NULL; 677 } 678 } 679 if (lflag) 680 putchar('\n'); 681 } 682 683 #define RIDADDR 0 684 #define ADDR 1 685 #define MASK 2 686 #define DSTADDR 3 687 688 /*ARGSUSED*/ 689 void 690 setifaddr(addr, param) 691 char *addr; 692 int param; 693 { 694 /* 695 * Delay the ioctl to set the interface addr until flags are all set. 696 * The address interpretation may depend on the flags, 697 * and the flags may change when the address is set. 698 */ 699 setaddr++; 700 if (newaddr == -1) 701 newaddr = 1; 702 if (doalias == 0) 703 clearaddr = 1; 704 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 705 } 706 707 void 708 setifnetmask(addr, d) 709 char *addr; 710 int d; 711 { 712 (*afp->af_getaddr)(addr, MASK); 713 } 714 715 void 716 setifbroadaddr(addr, d) 717 char *addr; 718 int d; 719 { 720 (*afp->af_getaddr)(addr, DSTADDR); 721 } 722 723 void 724 setifipdst(addr, d) 725 char *addr; 726 int d; 727 { 728 in_getaddr(addr, DSTADDR); 729 setipdst++; 730 clearaddr = 0; 731 newaddr = 0; 732 } 733 734 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 735 /*ARGSUSED*/ 736 void 737 notealias(addr, param) 738 char *addr; 739 int param; 740 { 741 if (setaddr && doalias == 0 && param < 0) 742 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 743 rqtosa(af_addreq)->sa_len); 744 doalias = param; 745 if (param < 0) { 746 clearaddr = 1; 747 newaddr = 0; 748 } else 749 clearaddr = 0; 750 } 751 752 /*ARGSUSED*/ 753 void 754 notrailers(vname, value) 755 char *vname; 756 int value; 757 { 758 puts("Note: trailers are no longer sent, but always received"); 759 } 760 761 /*ARGSUSED*/ 762 void 763 setifdstaddr(addr, param) 764 char *addr; 765 int param; 766 { 767 (*afp->af_getaddr)(addr, DSTADDR); 768 } 769 770 void 771 setifflags(vname, value) 772 char *vname; 773 int value; 774 { 775 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifr) < 0) 776 err(1, "SIOCGIFFLAGS"); 777 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 778 flags = ifr.ifr_flags; 779 780 if (value < 0) { 781 value = -value; 782 flags &= ~value; 783 } else 784 flags |= value; 785 ifr.ifr_flags = flags; 786 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifr) < 0) 787 err(1, "SIOCSIFFLAGS"); 788 789 reset_if_flags = 1; 790 } 791 792 #ifdef INET6 793 void 794 setia6flags(vname, value) 795 char *vname; 796 int value; 797 { 798 if (value < 0) { 799 value = -value; 800 in6_addreq.ifra_flags &= ~value; 801 } else 802 in6_addreq.ifra_flags |= value; 803 } 804 805 void 806 setia6pltime(val, d) 807 char *val; 808 int d; 809 { 810 setia6lifetime("pltime", val); 811 } 812 813 void 814 setia6vltime(val, d) 815 char *val; 816 int d; 817 { 818 setia6lifetime("vltime", val); 819 } 820 821 void 822 setia6lifetime(cmd, val) 823 char *cmd; 824 char *val; 825 { 826 time_t newval, t; 827 char *ep; 828 829 t = time(NULL); 830 newval = (time_t)strtoul(val, &ep, 0); 831 if (val == ep) 832 errx(1, "invalid %s", cmd); 833 if (afp->af_af != AF_INET6) 834 errx(1, "%s not allowed for the AF", cmd); 835 if (strcmp(cmd, "vltime") == 0) { 836 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 837 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 838 } else if (strcmp(cmd, "pltime") == 0) { 839 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 840 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 841 } 842 } 843 #endif 844 845 void 846 setifmetric(val, d) 847 char *val; 848 int d; 849 { 850 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 851 ifr.ifr_metric = atoi(val); 852 if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) < 0) 853 warn("SIOCSIFMETRIC"); 854 } 855 856 void 857 setifmtu(val, d) 858 char *val; 859 int d; 860 { 861 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 862 ifr.ifr_mtu = atoi(val); 863 if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) < 0) 864 warn("SIOCSIFMTU"); 865 } 866 867 void 868 init_current_media() 869 { 870 struct ifmediareq ifmr; 871 872 /* 873 * If we have not yet done so, grab the currently-selected 874 * media. 875 */ 876 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 877 (void) memset(&ifmr, 0, sizeof(ifmr)); 878 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 879 880 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 881 /* 882 * If we get E2BIG, the kernel is telling us 883 * that there are more, so we can ignore it. 884 */ 885 if (errno != E2BIG) 886 err(1, "SGIOCGIFMEDIA"); 887 } 888 889 media_current = ifmr.ifm_current; 890 } 891 892 /* Sanity. */ 893 if (IFM_TYPE(media_current) == 0) 894 errx(1, "%s: no link type?", name); 895 } 896 897 void 898 process_media_commands() 899 { 900 901 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 902 /* Nothing to do. */ 903 return; 904 } 905 906 /* 907 * Media already set up, and commands sanity-checked. Set/clear 908 * any options, and we're ready to go. 909 */ 910 media_current |= mediaopt_set; 911 media_current &= ~mediaopt_clear; 912 913 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 914 ifr.ifr_media = media_current; 915 916 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0) 917 err(1, "SIOCSIFMEDIA"); 918 } 919 920 void 921 setmedia(val, d) 922 char *val; 923 int d; 924 { 925 int type, subtype, inst; 926 927 init_current_media(); 928 929 /* Only one media command may be given. */ 930 if (actions & A_MEDIA) 931 errx(1, "only one `media' command may be issued"); 932 933 /* Must not come after mediaopt commands */ 934 if (actions & A_MEDIAOPT) 935 errx(1, "may not issue `media' after `mediaopt' commands"); 936 937 /* 938 * No need to check if `instance' has been issued; setmediainst() 939 * craps out if `media' has not been specified. 940 */ 941 942 type = IFM_TYPE(media_current); 943 inst = IFM_INST(media_current); 944 945 /* Look up the subtype. */ 946 subtype = get_media_subtype(type, val); 947 948 /* Build the new current media word. */ 949 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 950 951 /* Media will be set after other processing is complete. */ 952 } 953 954 void 955 setmediaopt(val, d) 956 char *val; 957 int d; 958 { 959 960 init_current_media(); 961 962 /* Can only issue `mediaopt' once. */ 963 if (actions & A_MEDIAOPTSET) 964 errx(1, "only one `mediaopt' command may be issued"); 965 966 /* Can't issue `mediaopt' if `instance' has already been issued. */ 967 if (actions & A_MEDIAINST) 968 errx(1, "may not issue `mediaopt' after `instance'"); 969 970 mediaopt_set = get_media_options(IFM_TYPE(media_current), val); 971 972 /* Media will be set after other processing is complete. */ 973 } 974 975 void 976 unsetmediaopt(val, d) 977 char *val; 978 int d; 979 { 980 981 init_current_media(); 982 983 /* Can only issue `-mediaopt' once. */ 984 if (actions & A_MEDIAOPTCLR) 985 errx(1, "only one `-mediaopt' command may be issued"); 986 987 /* May not issue `media' and `-mediaopt'. */ 988 if (actions & A_MEDIA) 989 errx(1, "may not issue both `media' and `-mediaopt'"); 990 991 /* 992 * No need to check for A_MEDIAINST, since the test for A_MEDIA 993 * implicitly checks for A_MEDIAINST. 994 */ 995 996 mediaopt_clear = get_media_options(IFM_TYPE(media_current), val); 997 998 /* Media will be set after other processing is complete. */ 999 } 1000 1001 void 1002 setmediainst(val, d) 1003 char *val; 1004 int d; 1005 { 1006 int type, subtype, options, inst; 1007 1008 init_current_media(); 1009 1010 /* Can only issue `instance' once. */ 1011 if (actions & A_MEDIAINST) 1012 errx(1, "only one `instance' command may be issued"); 1013 1014 /* Must have already specified `media' */ 1015 if ((actions & A_MEDIA) == 0) 1016 errx(1, "must specify `media' before `instance'"); 1017 1018 type = IFM_TYPE(media_current); 1019 subtype = IFM_SUBTYPE(media_current); 1020 options = IFM_OPTIONS(media_current); 1021 1022 inst = atoi(val); 1023 if (inst < 0 || inst > IFM_INST_MAX) 1024 errx(1, "invalid media instance: %s", val); 1025 1026 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1027 1028 /* Media will be set after other processing is complete. */ 1029 } 1030 1031 struct ifmedia_description ifm_type_descriptions[] = 1032 IFM_TYPE_DESCRIPTIONS; 1033 1034 struct ifmedia_description ifm_subtype_descriptions[] = 1035 IFM_SUBTYPE_DESCRIPTIONS; 1036 1037 struct ifmedia_description ifm_option_descriptions[] = 1038 IFM_OPTION_DESCRIPTIONS; 1039 1040 const char * 1041 get_media_type_string(mword) 1042 int mword; 1043 { 1044 struct ifmedia_description *desc; 1045 1046 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; 1047 desc++) { 1048 if (IFM_TYPE(mword) == desc->ifmt_word) 1049 return (desc->ifmt_string); 1050 } 1051 return ("<unknown type>"); 1052 } 1053 1054 const char * 1055 get_media_subtype_string(mword) 1056 int mword; 1057 { 1058 struct ifmedia_description *desc; 1059 1060 for (desc = ifm_subtype_descriptions; desc->ifmt_string != NULL; 1061 desc++) { 1062 if (IFM_TYPE_MATCH(desc->ifmt_word, mword) && 1063 IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(mword)) 1064 return (desc->ifmt_string); 1065 } 1066 return ("<unknown subtype>"); 1067 } 1068 1069 int 1070 get_media_subtype(type, val) 1071 int type; 1072 const char *val; 1073 { 1074 int rval; 1075 1076 rval = lookup_media_word(ifm_subtype_descriptions, type, val); 1077 if (rval == -1) 1078 errx(1, "unknown %s media subtype: %s", 1079 get_media_type_string(type), val); 1080 1081 return (rval); 1082 } 1083 1084 int 1085 get_media_options(type, val) 1086 int type; 1087 const char *val; 1088 { 1089 char *optlist, *str; 1090 int option, rval = 0; 1091 1092 /* We muck with the string, so copy it. */ 1093 optlist = strdup(val); 1094 if (optlist == NULL) 1095 err(1, "strdup"); 1096 str = optlist; 1097 1098 /* 1099 * Look up the options in the user-provided comma-separated list. 1100 */ 1101 for (; (str = strtok(str, ",")) != NULL; str = NULL) { 1102 option = lookup_media_word(ifm_option_descriptions, type, str); 1103 if (option == -1) 1104 errx(1, "unknown %s media option: %s", 1105 get_media_type_string(type), str); 1106 rval |= option; 1107 } 1108 1109 free(optlist); 1110 return (rval); 1111 } 1112 1113 int 1114 lookup_media_word(desc, type, val) 1115 struct ifmedia_description *desc; 1116 int type; 1117 const char *val; 1118 { 1119 1120 for (; desc->ifmt_string != NULL; desc++) { 1121 if (IFM_TYPE_MATCH(desc->ifmt_word, type) && 1122 strcasecmp(desc->ifmt_string, val) == 0) 1123 return (desc->ifmt_word); 1124 } 1125 return (-1); 1126 } 1127 1128 void 1129 print_media_word(ifmw, print_type, as_syntax) 1130 int ifmw, print_type, as_syntax; 1131 { 1132 struct ifmedia_description *desc; 1133 int seen_option = 0; 1134 1135 if (print_type) 1136 printf("%s ", get_media_type_string(ifmw)); 1137 printf("%s%s", as_syntax ? "media " : "", 1138 get_media_subtype_string(ifmw)); 1139 1140 /* Find options. */ 1141 for (desc = ifm_option_descriptions; desc->ifmt_string != NULL; 1142 desc++) { 1143 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && 1144 (ifmw & desc->ifmt_word) != 0 && 1145 (seen_option & IFM_OPTIONS(desc->ifmt_word)) == 0) { 1146 if (seen_option == 0) 1147 printf(" %s", as_syntax ? "mediaopt " : ""); 1148 printf("%s%s", seen_option ? "," : "", 1149 desc->ifmt_string); 1150 seen_option |= IFM_OPTIONS(desc->ifmt_word); 1151 } 1152 } 1153 if (IFM_INST(ifmw) != 0) 1154 printf(" instance %d", IFM_INST(ifmw)); 1155 } 1156 1157 #define IFFBITS \ 1158 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 1159 \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 1160 1161 /* 1162 * Print the status of the interface. If an address family was 1163 * specified, show it and it only; otherwise, show them all. 1164 */ 1165 void 1166 status(ap, alen) 1167 const u_int8_t *ap; 1168 int alen; 1169 { 1170 struct afswtch *p = afp; 1171 struct ifmediareq ifmr; 1172 int *media_list, i; 1173 1174 printf("%s: ", name); 1175 printb("flags", flags, IFFBITS); 1176 if (metric) 1177 printf(" metric %d", metric); 1178 if (mtu) 1179 printf(" mtu %d", mtu); 1180 putchar('\n'); 1181 if (ap && alen > 0) { 1182 printf("\taddress:"); 1183 for (i = 0; i < alen; i++, ap++) 1184 printf("%c%02x", i > 0 ? ':' : ' ', *ap); 1185 putchar('\n'); 1186 } 1187 1188 (void) memset(&ifmr, 0, sizeof(ifmr)); 1189 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1190 1191 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1192 /* 1193 * Interface doesn't support SIOC{G,S}IFMEDIA. 1194 */ 1195 goto proto_status; 1196 } 1197 1198 if (ifmr.ifm_count == 0) { 1199 warnx("%s: no media types?", name); 1200 goto proto_status; 1201 } 1202 1203 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1204 if (media_list == NULL) 1205 err(1, "malloc"); 1206 ifmr.ifm_ulist = media_list; 1207 1208 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) 1209 err(1, "SIOCGIFMEDIA"); 1210 1211 printf("\tmedia: "); 1212 print_media_word(ifmr.ifm_current, 1, 0); 1213 if (ifmr.ifm_active != ifmr.ifm_current) { 1214 putchar(' '); 1215 putchar('('); 1216 print_media_word(ifmr.ifm_active, 0, 0); 1217 putchar(')'); 1218 } 1219 putchar('\n'); 1220 1221 if (ifmr.ifm_status & IFM_AVALID) { 1222 printf("\tstatus: "); 1223 switch (IFM_TYPE(ifmr.ifm_active)) { 1224 case IFM_ETHER: 1225 if (ifmr.ifm_status & IFM_ACTIVE) 1226 printf("active"); 1227 else 1228 printf("no carrier"); 1229 break; 1230 1231 case IFM_FDDI: 1232 case IFM_TOKEN: 1233 if (ifmr.ifm_status & IFM_ACTIVE) 1234 printf("inserted"); 1235 else 1236 printf("no ring"); 1237 break; 1238 default: 1239 printf("unknown"); 1240 } 1241 putchar('\n'); 1242 } 1243 1244 if (mflag) { 1245 int type, printed_type; 1246 1247 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 1248 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 1249 if (IFM_TYPE(media_list[i]) == type) { 1250 if (printed_type == 0) { 1251 printf("\tsupported %s media:\n", 1252 get_media_type_string(type)); 1253 printed_type = 1; 1254 } 1255 printf("\t\t"); 1256 print_media_word(media_list[i], 0, 1); 1257 printf("\n"); 1258 } 1259 } 1260 } 1261 } 1262 1263 free(media_list); 1264 1265 proto_status: 1266 if ((p = afp) != NULL) { 1267 (*p->af_status)(1); 1268 if (Aflag & !aflag) 1269 printalias(name, p->af_af); 1270 } else for (p = afs; p->af_name; p++) { 1271 ifr.ifr_addr.sa_family = p->af_af; 1272 (*p->af_status)(0); 1273 if (Aflag & !aflag && p->af_af == AF_INET) 1274 printalias(name, p->af_af); 1275 } 1276 } 1277 1278 void 1279 in_alias(creq) 1280 struct ifreq *creq; 1281 { 1282 struct sockaddr_in *sin; 1283 1284 if (lflag) 1285 return; 1286 1287 /* Get the non-alias address for this interface. */ 1288 getsock(AF_INET); 1289 if (s < 0) { 1290 if (errno == EPROTONOSUPPORT) 1291 return; 1292 err(1, "socket"); 1293 } 1294 (void) memset(&ifr, 0, sizeof(ifr)); 1295 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1296 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 1297 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1298 return; 1299 } else 1300 warn("SIOCGIFADDR"); 1301 } 1302 /* If creq and ifr are the same address, this is not an alias. */ 1303 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 1304 sizeof(creq->ifr_addr)) == 0) 1305 return; 1306 (void) memset(&addreq, 0, sizeof(addreq)); 1307 (void) strncpy(addreq.ifra_name, name, sizeof(addreq.ifra_name)); 1308 addreq.ifra_addr = creq->ifr_addr; 1309 if (ioctl(s, SIOCGIFALIAS, (caddr_t)&addreq) < 0) { 1310 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1311 return; 1312 } else 1313 warn("SIOCGIFALIAS"); 1314 } 1315 1316 sin = (struct sockaddr_in *)&addreq.ifra_addr; 1317 printf("\tinet alias %s", inet_ntoa(sin->sin_addr)); 1318 1319 if (flags & IFF_POINTOPOINT) { 1320 sin = (struct sockaddr_in *)&addreq.ifra_dstaddr; 1321 printf(" -> %s", inet_ntoa(sin->sin_addr)); 1322 } 1323 1324 sin = (struct sockaddr_in *)&addreq.ifra_mask; 1325 printf(" netmask 0x%x", ntohl(sin->sin_addr.s_addr)); 1326 1327 if (flags & IFF_BROADCAST) { 1328 sin = (struct sockaddr_in *)&addreq.ifra_broadaddr; 1329 printf(" broadcast %s", inet_ntoa(sin->sin_addr)); 1330 } 1331 printf("\n"); 1332 } 1333 1334 void 1335 in_status(force) 1336 int force; 1337 { 1338 struct sockaddr_in *sin; 1339 1340 getsock(AF_INET); 1341 if (s < 0) { 1342 if (errno == EPROTONOSUPPORT) 1343 return; 1344 err(1, "socket"); 1345 } 1346 (void) memset(&ifr, 0, sizeof(ifr)); 1347 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1348 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 1349 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1350 if (!force) 1351 return; 1352 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1353 } else 1354 warn("SIOCGIFADDR"); 1355 } 1356 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1357 sin = (struct sockaddr_in *)&ifr.ifr_addr; 1358 printf("\tinet %s ", inet_ntoa(sin->sin_addr)); 1359 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1360 if (ioctl(s, SIOCGIFNETMASK, (caddr_t)&ifr) < 0) { 1361 if (errno != EADDRNOTAVAIL) 1362 warn("SIOCGIFNETMASK"); 1363 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1364 } else 1365 netmask.sin_addr = 1366 ((struct sockaddr_in *)&ifr.ifr_addr)->sin_addr; 1367 if (flags & IFF_POINTOPOINT) { 1368 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 1369 if (errno == EADDRNOTAVAIL) 1370 (void) memset(&ifr.ifr_addr, 0, 1371 sizeof(ifr.ifr_addr)); 1372 else 1373 warn("SIOCGIFDSTADDR"); 1374 } 1375 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1376 sin = (struct sockaddr_in *)&ifr.ifr_dstaddr; 1377 printf("--> %s ", inet_ntoa(sin->sin_addr)); 1378 } 1379 printf("netmask 0x%x ", ntohl(netmask.sin_addr.s_addr)); 1380 if (flags & IFF_BROADCAST) { 1381 if (ioctl(s, SIOCGIFBRDADDR, (caddr_t)&ifr) < 0) { 1382 if (errno == EADDRNOTAVAIL) 1383 (void) memset(&ifr.ifr_addr, 0, 1384 sizeof(ifr.ifr_addr)); 1385 else 1386 warn("SIOCGIFBRDADDR"); 1387 } 1388 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1389 sin = (struct sockaddr_in *)&ifr.ifr_addr; 1390 if (sin->sin_addr.s_addr != 0) 1391 printf("broadcast %s", inet_ntoa(sin->sin_addr)); 1392 } 1393 putchar('\n'); 1394 } 1395 1396 void 1397 setifprefixlen(addr, d) 1398 char *addr; 1399 int d; 1400 { 1401 if (*afp->af_getprefix) 1402 (*afp->af_getprefix)(addr, MASK); 1403 explicit_prefix = 1; 1404 } 1405 1406 #ifdef INET6 1407 /* XXX not really an alias */ 1408 void 1409 in6_alias(creq) 1410 struct in6_ifreq *creq; 1411 { 1412 struct sockaddr_in6 *sin6; 1413 1414 /* Get the non-alias address for this interface. */ 1415 getsock(AF_INET6); 1416 if (s < 0) { 1417 if (errno == EPROTONOSUPPORT) 1418 return; 1419 err(1, "socket"); 1420 } 1421 1422 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 1423 1424 printf("\tinet6 %s", inet_ntop(AF_INET6, &sin6->sin6_addr, 1425 ntop_buf, sizeof(ntop_buf))); 1426 1427 if (flags & IFF_POINTOPOINT) { 1428 (void) memset(&ifr6, 0, sizeof(ifr6)); 1429 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 1430 ifr6.ifr_addr = creq->ifr_addr; 1431 if (ioctl(s, SIOCGIFDSTADDR_IN6, (caddr_t)&ifr6) < 0) { 1432 if (errno != EADDRNOTAVAIL) 1433 warn("SIOCGIFDSTADDR_IN6"); 1434 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 1435 ifr6.ifr_addr.sin6_family = AF_INET6; 1436 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 1437 } 1438 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 1439 printf(" -> %s", inet_ntop(AF_INET6, &sin6->sin6_addr, 1440 ntop_buf, sizeof(ntop_buf))); 1441 } 1442 1443 (void) memset(&ifr6, 0, sizeof(ifr6)); 1444 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 1445 ifr6.ifr_addr = creq->ifr_addr; 1446 if (ioctl(s, SIOCGIFNETMASK_IN6, (caddr_t)&ifr6) < 0) { 1447 if (errno != EADDRNOTAVAIL) 1448 warn("SIOCGIFNETMASK_IN6"); 1449 } else { 1450 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 1451 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 1452 sizeof(struct in6_addr))); 1453 } 1454 1455 (void) memset(&ifr6, 0, sizeof(ifr6)); 1456 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 1457 ifr6.ifr_addr = creq->ifr_addr; 1458 if (ioctl(s, SIOCGIFAFLAG_IN6, (caddr_t)&ifr6) < 0) { 1459 if (errno != EADDRNOTAVAIL) 1460 warn("SIOCGIFAFLAG_IN6"); 1461 } else { 1462 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 1463 printf(" anycast"); 1464 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 1465 printf(" tentative"); 1466 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 1467 printf(" duplicated"); 1468 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 1469 printf(" detached"); 1470 } 1471 1472 if (Lflag) { 1473 struct in6_addrlifetime *lifetime; 1474 (void) memset(&ifr6, 0, sizeof(ifr6)); 1475 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 1476 ifr6.ifr_addr = creq->ifr_addr; 1477 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 1478 if (ioctl(s, SIOCGIFALIFETIME_IN6, (caddr_t)&ifr6) < 0) { 1479 if (errno != EADDRNOTAVAIL) 1480 warn("SIOCGIFALIFETIME_IN6"); 1481 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 1482 time_t t = time(NULL); 1483 printf(" pltime "); 1484 if (lifetime->ia6t_preferred) { 1485 printf("%s", lifetime->ia6t_preferred < t 1486 ? "0" 1487 : sec2str(lifetime->ia6t_preferred - t)); 1488 } else 1489 printf("infty"); 1490 1491 printf(" vltime "); 1492 if (lifetime->ia6t_expire) { 1493 printf("%s", lifetime->ia6t_expire < t 1494 ? "0" 1495 : sec2str(lifetime->ia6t_expire - t)); 1496 } else 1497 printf("infty"); 1498 } 1499 } 1500 1501 printf("\n"); 1502 } 1503 1504 void 1505 in6_status(force) 1506 int force; 1507 { 1508 char inbuf[8192]; 1509 struct ifconf ifc; 1510 struct ifreq *ifr; 1511 int i; 1512 1513 ifc.ifc_len = sizeof(inbuf); 1514 ifc.ifc_buf = inbuf; 1515 getsock(af); 1516 if (s < 0) 1517 err(1, "socket"); 1518 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 1519 err(1, "SIOCGIFCONF"); 1520 ifr = ifc.ifc_req; 1521 for (i = 0; i < ifc.ifc_len; ) { 1522 ifr = (struct ifreq *)((caddr_t)ifc.ifc_req + i); 1523 i += sizeof(ifr->ifr_name) + 1524 (ifr->ifr_addr.sa_len > sizeof(struct sockaddr) 1525 ? ifr->ifr_addr.sa_len 1526 : sizeof(struct sockaddr)); 1527 if (!strncmp(name, ifr->ifr_name, sizeof(ifr->ifr_name))) { 1528 if (ifr->ifr_addr.sa_family == AF_INET6) 1529 in6_alias((struct in6_ifreq *)ifr); 1530 } 1531 } 1532 } 1533 #endif /*INET6*/ 1534 1535 #ifndef INET_ONLY 1536 1537 void 1538 at_status(force) 1539 int force; 1540 { 1541 struct sockaddr_at *sat, null_sat; 1542 struct netrange *nr; 1543 1544 getsock(AF_APPLETALK); 1545 if (s < 0) { 1546 if (errno == EPROTONOSUPPORT) 1547 return; 1548 err(1, "socket"); 1549 } 1550 (void) memset(&ifr, 0, sizeof(ifr)); 1551 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1552 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 1553 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1554 if (!force) 1555 return; 1556 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1557 } else 1558 warn("SIOCGIFADDR"); 1559 } 1560 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 1561 sat = (struct sockaddr_at *)&ifr.ifr_addr; 1562 1563 (void) memset(&null_sat, 0, sizeof(null_sat)); 1564 1565 nr = (struct netrange *) &sat->sat_zero; 1566 printf("\tatalk %d.%d range %d-%d phase %d", 1567 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 1568 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 1569 if (flags & IFF_POINTOPOINT) { 1570 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 1571 if (errno == EADDRNOTAVAIL) 1572 (void) memset(&ifr.ifr_addr, 0, 1573 sizeof(ifr.ifr_addr)); 1574 else 1575 warn("SIOCGIFDSTADDR"); 1576 } 1577 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1578 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 1579 if (!sat) 1580 sat = &null_sat; 1581 printf("--> %d.%d", 1582 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 1583 } 1584 if (flags & IFF_BROADCAST) { 1585 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 1586 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 1587 if (sat) 1588 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 1589 sat->sat_addr.s_node); 1590 } 1591 putchar('\n'); 1592 } 1593 1594 void 1595 xns_status(force) 1596 int force; 1597 { 1598 struct sockaddr_ns *sns; 1599 1600 getsock(AF_NS); 1601 if (s < 0) { 1602 if (errno == EPROTONOSUPPORT) 1603 return; 1604 err(1, "socket"); 1605 } 1606 (void) memset(&ifr, 0, sizeof(ifr)); 1607 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1608 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 1609 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1610 if (!force) 1611 return; 1612 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1613 } else 1614 warn("SIOCGIFADDR"); 1615 } 1616 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 1617 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 1618 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 1619 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 1620 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 1621 if (errno == EADDRNOTAVAIL) 1622 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1623 else 1624 warn("SIOCGIFDSTADDR"); 1625 } 1626 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1627 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 1628 printf("--> %s ", ns_ntoa(sns->sns_addr)); 1629 } 1630 putchar('\n'); 1631 } 1632 1633 void 1634 iso_status(force) 1635 int force; 1636 { 1637 struct sockaddr_iso *siso; 1638 struct iso_ifreq ifr; 1639 1640 getsock(AF_ISO); 1641 if (s < 0) { 1642 if (errno == EPROTONOSUPPORT) 1643 return; 1644 err(1, "socket"); 1645 } 1646 (void) memset(&ifr, 0, sizeof(ifr)); 1647 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1648 if (ioctl(s, SIOCGIFADDR_ISO, (caddr_t)&ifr) < 0) { 1649 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1650 if (!force) 1651 return; 1652 (void) memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 1653 } else 1654 warn("SIOCGIFADDR_ISO"); 1655 } 1656 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 1657 siso = &ifr.ifr_Addr; 1658 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 1659 if (ioctl(s, SIOCGIFNETMASK_ISO, (caddr_t)&ifr) < 0) { 1660 if (errno == EADDRNOTAVAIL) 1661 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 1662 else 1663 warn("SIOCGIFNETMASK_ISO"); 1664 } else { 1665 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 1666 siso->siso_addr.isoa_len = siso->siso_len 1667 - offsetof(struct sockaddr_iso, siso_addr); 1668 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 1669 } 1670 if (flags & IFF_POINTOPOINT) { 1671 if (ioctl(s, SIOCGIFDSTADDR_ISO, (caddr_t)&ifr) < 0) { 1672 if (errno == EADDRNOTAVAIL) 1673 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 1674 else 1675 warn("SIOCGIFDSTADDR_ISO"); 1676 } 1677 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1678 siso = &ifr.ifr_Addr; 1679 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 1680 } 1681 putchar('\n'); 1682 } 1683 1684 #endif /* INET_ONLY */ 1685 1686 #define SIN(x) ((struct sockaddr_in *) &(x)) 1687 struct sockaddr_in *sintab[] = { 1688 SIN(ridreq.ifr_addr), SIN(addreq.ifra_addr), 1689 SIN(addreq.ifra_mask), SIN(addreq.ifra_broadaddr)}; 1690 1691 void 1692 in_getaddr(s, which) 1693 char *s; 1694 int which; 1695 { 1696 struct sockaddr_in *sin = sintab[which]; 1697 struct hostent *hp; 1698 struct netent *np; 1699 1700 sin->sin_len = sizeof(*sin); 1701 if (which != MASK) 1702 sin->sin_family = AF_INET; 1703 1704 if (inet_aton(s, &sin->sin_addr) == 0) { 1705 if ((hp = gethostbyname(s)) != NULL) 1706 (void) memcpy(&sin->sin_addr, hp->h_addr, hp->h_length); 1707 else if ((np = getnetbyname(s)) != NULL) 1708 sin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 1709 else 1710 errx(1, "%s: bad value", s); 1711 } 1712 } 1713 1714 /* 1715 * Print a value a la the %b format of the kernel's printf 1716 */ 1717 void 1718 printb(s, v, bits) 1719 char *s; 1720 char *bits; 1721 unsigned short v; 1722 { 1723 int i, any = 0; 1724 char c; 1725 1726 if (bits && *bits == 8) 1727 printf("%s=%o", s, v); 1728 else 1729 printf("%s=%x", s, v); 1730 bits++; 1731 if (bits) { 1732 putchar('<'); 1733 while ((i = *bits++) != 0) { 1734 if (v & (1 << (i-1))) { 1735 if (any) 1736 putchar(','); 1737 any = 1; 1738 for (; (c = *bits) > 32; bits++) 1739 putchar(c); 1740 } else 1741 for (; *bits > 32; bits++) 1742 ; 1743 } 1744 putchar('>'); 1745 } 1746 } 1747 1748 #ifdef INET6 1749 #define SIN6(x) ((struct sockaddr_in6 *) &(x)) 1750 struct sockaddr_in6 *sin6tab[] = { 1751 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 1752 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 1753 1754 void 1755 in6_getaddr(s, which) 1756 char *s; 1757 int which; 1758 { 1759 struct sockaddr_in6 *sin = sin6tab[which]; 1760 1761 sin->sin6_len = sizeof(*sin); 1762 if (which != MASK) 1763 sin->sin6_family = AF_INET6; 1764 1765 if (inet_pton(AF_INET6, s, &sin->sin6_addr) <= 0) 1766 errx(1, "%s: bad value", s); 1767 } 1768 1769 void 1770 in6_getprefix(plen, which) 1771 char *plen; 1772 int which; 1773 { 1774 register struct sockaddr_in6 *sin = sin6tab[which]; 1775 register u_char *cp; 1776 int len = strtol(plen, (char **)NULL, 10); 1777 1778 if ((len < 0) || (len > 128)) 1779 errx(1, "%s: bad value", plen); 1780 sin->sin6_len = sizeof(*sin); 1781 if (which != MASK) 1782 sin->sin6_family = AF_INET6; 1783 if ((len == 0) || (len == 128)) { 1784 memset(&sin->sin6_addr, 0xff, sizeof(struct in6_addr)); 1785 return; 1786 } 1787 memset((void *)&sin->sin6_addr, 0x00, sizeof(sin->sin6_addr)); 1788 for (cp = (u_char *)&sin->sin6_addr; len > 7; len -= 8) 1789 *cp++ = 0xff; 1790 *cp = 0xff << (8 - len); 1791 } 1792 1793 int 1794 prefix(val, size) 1795 void *val; 1796 int size; 1797 { 1798 register u_char *name = (u_char *)val; 1799 register int byte, bit, plen = 0; 1800 1801 for (byte = 0; byte < size; byte++, plen += 8) 1802 if (name[byte] != 0xff) 1803 break; 1804 if (byte == size) 1805 return (plen); 1806 for (bit = 7; bit != 0; bit--, plen++) 1807 if (!(name[byte] & (1 << bit))) 1808 break; 1809 for (; bit != 0; bit--) 1810 if (name[byte] & (1 << bit)) 1811 return(0); 1812 byte++; 1813 for (; byte < size; byte++) 1814 if (name[byte]) 1815 return(0); 1816 return (plen); 1817 } 1818 #endif /*INET6*/ 1819 1820 #ifndef INET_ONLY 1821 void 1822 at_getaddr(addr, which) 1823 char *addr; 1824 int which; 1825 { 1826 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 1827 u_int net, node; 1828 1829 sat->sat_family = AF_APPLETALK; 1830 sat->sat_len = sizeof(*sat); 1831 if (which == MASK) 1832 errx(1, "AppleTalk does not use netmasks\n"); 1833 if (sscanf(addr, "%u.%u", &net, &node) != 2 1834 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 1835 errx(1, "%s: illegal address", addr); 1836 sat->sat_addr.s_net = htons(net); 1837 sat->sat_addr.s_node = node; 1838 } 1839 1840 void 1841 setatrange(range, d) 1842 char *range; 1843 int d; 1844 { 1845 u_short first = 123, last = 123; 1846 1847 if (sscanf(range, "%hu-%hu", &first, &last) != 2 1848 || first == 0 || first > 0xffff 1849 || last == 0 || last > 0xffff || first > last) 1850 errx(1, "%s: illegal net range: %u-%u", range, first, last); 1851 at_nr.nr_firstnet = htons(first); 1852 at_nr.nr_lastnet = htons(last); 1853 } 1854 1855 void 1856 setatphase(phase, d) 1857 char *phase; 1858 int d; 1859 { 1860 if (!strcmp(phase, "1")) 1861 at_nr.nr_phase = 1; 1862 else if (!strcmp(phase, "2")) 1863 at_nr.nr_phase = 2; 1864 else 1865 errx(1, "%s: illegal phase", phase); 1866 } 1867 1868 void 1869 checkatrange(sat) 1870 struct sockaddr_at *sat; 1871 { 1872 if (at_nr.nr_phase == 0) 1873 at_nr.nr_phase = 2; /* Default phase 2 */ 1874 if (at_nr.nr_firstnet == 0) 1875 at_nr.nr_firstnet = /* Default range of one */ 1876 at_nr.nr_lastnet = sat->sat_addr.s_net; 1877 printf("\tatalk %d.%d range %d-%d phase %d\n", 1878 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 1879 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 1880 if ((u_short) ntohs(at_nr.nr_firstnet) > 1881 (u_short) ntohs(sat->sat_addr.s_net) 1882 || (u_short) ntohs(at_nr.nr_lastnet) < 1883 (u_short) ntohs(sat->sat_addr.s_net)) 1884 errx(1, "AppleTalk address is not in range"); 1885 *((struct netrange *) &sat->sat_zero) = at_nr; 1886 } 1887 1888 #define SNS(x) ((struct sockaddr_ns *) &(x)) 1889 struct sockaddr_ns *snstab[] = { 1890 SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 1891 SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 1892 1893 void 1894 xns_getaddr(addr, which) 1895 char *addr; 1896 int which; 1897 { 1898 struct sockaddr_ns *sns = snstab[which]; 1899 1900 sns->sns_family = AF_NS; 1901 sns->sns_len = sizeof(*sns); 1902 sns->sns_addr = ns_addr(addr); 1903 if (which == MASK) 1904 puts("Attempt to set XNS netmask will be ineffectual"); 1905 } 1906 1907 #define SISO(x) ((struct sockaddr_iso *) &(x)) 1908 struct sockaddr_iso *sisotab[] = { 1909 SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 1910 SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 1911 1912 void 1913 iso_getaddr(addr, which) 1914 char *addr; 1915 int which; 1916 { 1917 struct sockaddr_iso *siso = sisotab[which]; 1918 siso->siso_addr = *iso_addr(addr); 1919 1920 if (which == MASK) { 1921 siso->siso_len = TSEL(siso) - (caddr_t)(siso); 1922 siso->siso_nlen = 0; 1923 } else { 1924 siso->siso_len = sizeof(*siso); 1925 siso->siso_family = AF_ISO; 1926 } 1927 } 1928 1929 void 1930 setsnpaoffset(val, d) 1931 char *val; 1932 int d; 1933 { 1934 iso_addreq.ifra_snpaoffset = atoi(val); 1935 } 1936 1937 void 1938 setnsellength(val, d) 1939 char *val; 1940 int d; 1941 { 1942 nsellength = atoi(val); 1943 if (nsellength < 0) 1944 errx(1, "Negative NSEL length is absurd"); 1945 if (afp == 0 || afp->af_af != AF_ISO) 1946 errx(1, "Setting NSEL length valid only for iso"); 1947 } 1948 1949 void 1950 fixnsel(s) 1951 struct sockaddr_iso *s; 1952 { 1953 if (s->siso_family == 0) 1954 return; 1955 s->siso_tlen = nsellength; 1956 } 1957 1958 void 1959 adjust_nsellength() 1960 { 1961 fixnsel(sisotab[RIDADDR]); 1962 fixnsel(sisotab[ADDR]); 1963 fixnsel(sisotab[DSTADDR]); 1964 } 1965 1966 #endif /* INET_ONLY */ 1967 1968 void 1969 usage() 1970 { 1971 fprintf(stderr, 1972 "usage: ifconfig [ -m ] [ -A ] %s interface\n%s%s%s%s%s%s%s%s%s%s%s%s", 1973 #ifdef INET6 1974 "[ -L ]", 1975 #else 1976 "", 1977 #endif 1978 "\t[ af [ address [ dest_addr ] ] [ up ] [ down ] ", 1979 "[ netmask mask ] ]\n", 1980 "\t[ metric n ]\n", 1981 "\t[ mtu n ]\n", 1982 "\t[ arp | -arp ]\n", 1983 "\t[ media mtype ]\n", 1984 "\t[ mediaopt mopts ]\n", 1985 "\t[ -mediaopt mopts ]\n", 1986 "\t[ instance minst ]\n", 1987 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n", 1988 " ifconfig -a [ -A ] [ -m ] [ -d ] [ -u ] [ af ]\n", 1989 " ifconfig -l [ -d ] [ -u ]\n"); 1990 exit(1); 1991 } 1992 1993 #ifdef INET6 1994 char * 1995 sec2str(total) 1996 time_t total; 1997 { 1998 static char result[256]; 1999 int days, hours, mins, secs; 2000 int first = 1; 2001 char *p = result; 2002 2003 if (0) { /*XXX*/ 2004 days = total / 3600 / 24; 2005 hours = (total / 3600) % 24; 2006 mins = (total / 60) % 60; 2007 secs = total % 60; 2008 2009 if (days) { 2010 first = 0; 2011 p += sprintf(p, "%dd", days); 2012 } 2013 if (!first || hours) { 2014 first = 0; 2015 p += sprintf(p, "%dh", hours); 2016 } 2017 if (!first || mins) { 2018 first = 0; 2019 p += sprintf(p, "%dm", mins); 2020 } 2021 sprintf(p, "%ds", secs); 2022 } else 2023 sprintf(p, "%lu", (u_long)total); 2024 2025 return(result); 2026 } 2027 #endif 2028
Indexes created Tue Sep 30 11:09:46 GMT 2025