ifconfig.c revision 1.55
1 /* $NetBSD: ifconfig.c,v 1.55 1999/07/26 11:56:55 darrenr 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 1.55 1999/07/26 11:56:55 darrenr 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)) { 483 errx(1, "Can't set destination address %s\n", 484 "on non-point-to-point link"); 485 p++; /* got src, do dst */ 486 } 487 if (p->c_func) { 488 if (p->c_parameter == NEXTARG) { 489 if (argc < 2) 490 errx(1, "'%s' requires argument", 491 p->c_name); 492 (*p->c_func)(argv[1], 0); 493 argc--, argv++; 494 } else 495 (*p->c_func)(argv[0], p->c_parameter); 496 actions |= p->c_action; 497 } 498 argc--, argv++; 499 } 500 501 /* Process any media commands that may have been issued. */ 502 process_media_commands(); 503 504 if (af == AF_INET6 && explicit_prefix == 0) { 505 /* 506 * Aggregatable address architecture defines all prefixes 507 * are 64. So, it is convenient to set prefixlen to 64 if 508 * it is not specified. 509 */ 510 setifprefixlen("64", 0); 511 /* in6_getprefix("64", MASK) if MASK is available here... */ 512 } 513 514 #ifndef INET_ONLY 515 if (af == AF_ISO) 516 adjust_nsellength(); 517 518 if (af == AF_APPLETALK) 519 checkatrange((struct sockaddr_at *) &addreq.ifra_addr); 520 521 if (setipdst && af==AF_NS) { 522 struct nsip_req rq; 523 int size = sizeof(rq); 524 525 rq.rq_ns = addreq.ifra_addr; 526 rq.rq_ip = addreq.ifra_dstaddr; 527 528 if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0) 529 warn("encapsulation routing"); 530 } 531 532 #endif /* INET_ONLY */ 533 534 if (clearaddr) { 535 int ret; 536 (void) strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name); 537 if ((ret = ioctl(s, afp->af_difaddr, afp->af_ridreq)) < 0) { 538 if (errno == EADDRNOTAVAIL && (doalias >= 0)) { 539 /* means no previous address for interface */ 540 } else 541 warn("SIOCDIFADDR"); 542 } 543 } 544 if (newaddr > 0) { 545 (void) strncpy(afp->af_addreq, name, sizeof ifr.ifr_name); 546 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) < 0) 547 warn("SIOCAIFADDR"); 548 } 549 if (reset_if_flags && ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifr) < 0) 550 err(1, "SIOCSIFFLAGS"); 551 exit(0); 552 } 553 554 struct afswtch * 555 lookup_af(cp) 556 const char *cp; 557 { 558 struct afswtch *a; 559 560 for (a = afs; a->af_name != NULL; a++) 561 if (strcmp(a->af_name, cp) == 0) 562 return (a); 563 return (NULL); 564 } 565 566 void 567 getsock(naf) 568 int naf; 569 { 570 static int oaf = -1; 571 572 if (oaf == naf) 573 return; 574 if (oaf != -1) 575 close(s); 576 s = socket(naf, SOCK_DGRAM, 0); 577 if (s < 0) 578 oaf = -1; 579 else 580 oaf = naf; 581 } 582 583 int 584 getinfo(ifr) 585 struct ifreq *ifr; 586 { 587 588 getsock(af); 589 if (s < 0) 590 err(1, "socket"); 591 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)ifr) < 0) { 592 warn("SIOCGIFFLAGS %s", ifr->ifr_name); 593 return (-1); 594 } 595 flags = ifr->ifr_flags; 596 if (ioctl(s, SIOCGIFMETRIC, (caddr_t)ifr) < 0) { 597 warn("SIOCGIFMETRIC %s", ifr->ifr_name); 598 metric = 0; 599 } else 600 metric = ifr->ifr_metric; 601 if (ioctl(s, SIOCGIFMTU, (caddr_t)ifr) < 0) 602 mtu = 0; 603 else 604 mtu = ifr->ifr_mtu; 605 return (0); 606 } 607 608 void 609 printalias(iname, af) 610 const char *iname; 611 int af; 612 { 613 char inbuf[8192]; 614 struct ifconf ifc; 615 struct ifreq *ifr; 616 int i; 617 618 ifc.ifc_len = sizeof(inbuf); 619 ifc.ifc_buf = inbuf; 620 getsock(af); 621 if (s < 0) 622 err(1, "socket"); 623 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 624 err(1, "SIOCGIFCONF"); 625 ifr = ifc.ifc_req; 626 for (i = 0; i < ifc.ifc_len; ) { 627 ifr = (struct ifreq *)((caddr_t)ifc.ifc_req + i); 628 i += sizeof(ifr->ifr_name) + 629 (ifr->ifr_addr.sa_len > sizeof(struct sockaddr) 630 ? ifr->ifr_addr.sa_len 631 : sizeof(struct sockaddr)); 632 if (!strncmp(iname, ifr->ifr_name, sizeof(ifr->ifr_name))) { 633 if (ifr->ifr_addr.sa_family == af) 634 switch (af) { 635 case AF_INET: 636 in_alias(ifr); 637 break; 638 default: 639 /*none*/ 640 } 641 continue; 642 } 643 } 644 } 645 646 void 647 printall() 648 { 649 char inbuf[8192]; 650 const struct sockaddr_dl *sdl = NULL; 651 struct ifconf ifc; 652 struct ifreq ifreq, *ifr; 653 int i, idx; 654 655 ifc.ifc_len = sizeof(inbuf); 656 ifc.ifc_buf = inbuf; 657 getsock(af); 658 if (s < 0) 659 err(1, "socket"); 660 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 661 err(1, "SIOCGIFCONF"); 662 ifr = ifc.ifc_req; 663 ifreq.ifr_name[0] = '\0'; 664 for (i = 0, idx = 0; i < ifc.ifc_len; ) { 665 ifr = (struct ifreq *)((caddr_t)ifc.ifc_req + i); 666 i += sizeof(ifr->ifr_name) + 667 (ifr->ifr_addr.sa_len > sizeof(struct sockaddr) 668 ? ifr->ifr_addr.sa_len 669 : sizeof(struct sockaddr)); 670 if (ifr->ifr_addr.sa_family == AF_LINK) 671 sdl = (const struct sockaddr_dl *) &ifr->ifr_addr; 672 if (!strncmp(ifreq.ifr_name, ifr->ifr_name, 673 sizeof(ifr->ifr_name))) { 674 if (Aflag && ifr->ifr_addr.sa_family == AF_INET) 675 in_alias(ifr); 676 continue; 677 } 678 (void) strncpy(name, ifr->ifr_name, sizeof(ifr->ifr_name)); 679 ifreq = *ifr; 680 681 if (getinfo(&ifreq) < 0) 682 continue; 683 if (bflag && (flags & (IFF_POINTOPOINT|IFF_LOOPBACK))) 684 continue; 685 if (dflag && (flags & IFF_UP) != 0) 686 continue; 687 if (uflag && (flags & IFF_UP) == 0) 688 continue; 689 690 if (sflag && carrier()) 691 continue; 692 idx++; 693 /* 694 * Are we just listing the interfaces? 695 */ 696 if (lflag) { 697 if (idx > 1) 698 putchar(' '); 699 fputs(name, stdout); 700 continue; 701 } 702 703 if (sdl == NULL) { 704 status(NULL, 0); 705 } else { 706 status(LLADDR(sdl), sdl->sdl_alen); 707 sdl = NULL; 708 } 709 } 710 if (lflag) 711 putchar('\n'); 712 } 713 714 #define RIDADDR 0 715 #define ADDR 1 716 #define MASK 2 717 #define DSTADDR 3 718 719 /*ARGSUSED*/ 720 void 721 setifaddr(addr, param) 722 char *addr; 723 int param; 724 { 725 /* 726 * Delay the ioctl to set the interface addr until flags are all set. 727 * The address interpretation may depend on the flags, 728 * and the flags may change when the address is set. 729 */ 730 setaddr++; 731 if (newaddr == -1) 732 newaddr = 1; 733 if (doalias == 0) 734 clearaddr = 1; 735 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 736 } 737 738 void 739 setifnetmask(addr, d) 740 char *addr; 741 int d; 742 { 743 (*afp->af_getaddr)(addr, MASK); 744 } 745 746 void 747 setifbroadaddr(addr, d) 748 char *addr; 749 int d; 750 { 751 (*afp->af_getaddr)(addr, DSTADDR); 752 } 753 754 void 755 setifipdst(addr, d) 756 char *addr; 757 int d; 758 { 759 in_getaddr(addr, DSTADDR); 760 setipdst++; 761 clearaddr = 0; 762 newaddr = 0; 763 } 764 765 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 766 /*ARGSUSED*/ 767 void 768 notealias(addr, param) 769 char *addr; 770 int param; 771 { 772 if (setaddr && doalias == 0 && param < 0) 773 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 774 rqtosa(af_addreq)->sa_len); 775 doalias = param; 776 if (param < 0) { 777 clearaddr = 1; 778 newaddr = 0; 779 } else 780 clearaddr = 0; 781 } 782 783 /*ARGSUSED*/ 784 void 785 notrailers(vname, value) 786 char *vname; 787 int value; 788 { 789 puts("Note: trailers are no longer sent, but always received"); 790 } 791 792 /*ARGSUSED*/ 793 void 794 setifdstaddr(addr, param) 795 char *addr; 796 int param; 797 { 798 (*afp->af_getaddr)(addr, DSTADDR); 799 } 800 801 void 802 setifflags(vname, value) 803 char *vname; 804 int value; 805 { 806 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifr) < 0) 807 err(1, "SIOCGIFFLAGS"); 808 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 809 flags = ifr.ifr_flags; 810 811 if (value < 0) { 812 value = -value; 813 flags &= ~value; 814 } else 815 flags |= value; 816 ifr.ifr_flags = flags; 817 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifr) < 0) 818 err(1, "SIOCSIFFLAGS"); 819 820 reset_if_flags = 1; 821 } 822 823 #ifdef INET6 824 void 825 setia6flags(vname, value) 826 char *vname; 827 int value; 828 { 829 if (value < 0) { 830 value = -value; 831 in6_addreq.ifra_flags &= ~value; 832 } else 833 in6_addreq.ifra_flags |= value; 834 } 835 836 void 837 setia6pltime(val, d) 838 char *val; 839 int d; 840 { 841 setia6lifetime("pltime", val); 842 } 843 844 void 845 setia6vltime(val, d) 846 char *val; 847 int d; 848 { 849 setia6lifetime("vltime", val); 850 } 851 852 void 853 setia6lifetime(cmd, val) 854 char *cmd; 855 char *val; 856 { 857 time_t newval, t; 858 char *ep; 859 860 t = time(NULL); 861 newval = (time_t)strtoul(val, &ep, 0); 862 if (val == ep) 863 errx(1, "invalid %s", cmd); 864 if (afp->af_af != AF_INET6) 865 errx(1, "%s not allowed for the AF", cmd); 866 if (strcmp(cmd, "vltime") == 0) { 867 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 868 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 869 } else if (strcmp(cmd, "pltime") == 0) { 870 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 871 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 872 } 873 } 874 #endif 875 876 void 877 setifmetric(val, d) 878 char *val; 879 int d; 880 { 881 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 882 ifr.ifr_metric = atoi(val); 883 if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) < 0) 884 warn("SIOCSIFMETRIC"); 885 } 886 887 void 888 setifmtu(val, d) 889 char *val; 890 int d; 891 { 892 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 893 ifr.ifr_mtu = atoi(val); 894 if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) < 0) 895 warn("SIOCSIFMTU"); 896 } 897 898 void 899 init_current_media() 900 { 901 struct ifmediareq ifmr; 902 903 /* 904 * If we have not yet done so, grab the currently-selected 905 * media. 906 */ 907 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 908 (void) memset(&ifmr, 0, sizeof(ifmr)); 909 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 910 911 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 912 /* 913 * If we get E2BIG, the kernel is telling us 914 * that there are more, so we can ignore it. 915 */ 916 if (errno != E2BIG) 917 err(1, "SGIOCGIFMEDIA"); 918 } 919 920 media_current = ifmr.ifm_current; 921 } 922 923 /* Sanity. */ 924 if (IFM_TYPE(media_current) == 0) 925 errx(1, "%s: no link type?", name); 926 } 927 928 void 929 process_media_commands() 930 { 931 932 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 933 /* Nothing to do. */ 934 return; 935 } 936 937 /* 938 * Media already set up, and commands sanity-checked. Set/clear 939 * any options, and we're ready to go. 940 */ 941 media_current |= mediaopt_set; 942 media_current &= ~mediaopt_clear; 943 944 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 945 ifr.ifr_media = media_current; 946 947 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0) 948 err(1, "SIOCSIFMEDIA"); 949 } 950 951 void 952 setmedia(val, d) 953 char *val; 954 int d; 955 { 956 int type, subtype, inst; 957 958 init_current_media(); 959 960 /* Only one media command may be given. */ 961 if (actions & A_MEDIA) 962 errx(1, "only one `media' command may be issued"); 963 964 /* Must not come after mediaopt commands */ 965 if (actions & A_MEDIAOPT) 966 errx(1, "may not issue `media' after `mediaopt' commands"); 967 968 /* 969 * No need to check if `instance' has been issued; setmediainst() 970 * craps out if `media' has not been specified. 971 */ 972 973 type = IFM_TYPE(media_current); 974 inst = IFM_INST(media_current); 975 976 /* Look up the subtype. */ 977 subtype = get_media_subtype(type, val); 978 979 /* Build the new current media word. */ 980 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 981 982 /* Media will be set after other processing is complete. */ 983 } 984 985 void 986 setmediaopt(val, d) 987 char *val; 988 int d; 989 { 990 991 init_current_media(); 992 993 /* Can only issue `mediaopt' once. */ 994 if (actions & A_MEDIAOPTSET) 995 errx(1, "only one `mediaopt' command may be issued"); 996 997 /* Can't issue `mediaopt' if `instance' has already been issued. */ 998 if (actions & A_MEDIAINST) 999 errx(1, "may not issue `mediaopt' after `instance'"); 1000 1001 mediaopt_set = get_media_options(IFM_TYPE(media_current), val); 1002 1003 /* Media will be set after other processing is complete. */ 1004 } 1005 1006 void 1007 unsetmediaopt(val, d) 1008 char *val; 1009 int d; 1010 { 1011 1012 init_current_media(); 1013 1014 /* Can only issue `-mediaopt' once. */ 1015 if (actions & A_MEDIAOPTCLR) 1016 errx(1, "only one `-mediaopt' command may be issued"); 1017 1018 /* May not issue `media' and `-mediaopt'. */ 1019 if (actions & A_MEDIA) 1020 errx(1, "may not issue both `media' and `-mediaopt'"); 1021 1022 /* 1023 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1024 * implicitly checks for A_MEDIAINST. 1025 */ 1026 1027 mediaopt_clear = get_media_options(IFM_TYPE(media_current), val); 1028 1029 /* Media will be set after other processing is complete. */ 1030 } 1031 1032 void 1033 setmediainst(val, d) 1034 char *val; 1035 int d; 1036 { 1037 int type, subtype, options, inst; 1038 1039 init_current_media(); 1040 1041 /* Can only issue `instance' once. */ 1042 if (actions & A_MEDIAINST) 1043 errx(1, "only one `instance' command may be issued"); 1044 1045 /* Must have already specified `media' */ 1046 if ((actions & A_MEDIA) == 0) 1047 errx(1, "must specify `media' before `instance'"); 1048 1049 type = IFM_TYPE(media_current); 1050 subtype = IFM_SUBTYPE(media_current); 1051 options = IFM_OPTIONS(media_current); 1052 1053 inst = atoi(val); 1054 if (inst < 0 || inst > IFM_INST_MAX) 1055 errx(1, "invalid media instance: %s", val); 1056 1057 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1058 1059 /* Media will be set after other processing is complete. */ 1060 } 1061 1062 struct ifmedia_description ifm_type_descriptions[] = 1063 IFM_TYPE_DESCRIPTIONS; 1064 1065 struct ifmedia_description ifm_subtype_descriptions[] = 1066 IFM_SUBTYPE_DESCRIPTIONS; 1067 1068 struct ifmedia_description ifm_option_descriptions[] = 1069 IFM_OPTION_DESCRIPTIONS; 1070 1071 const char * 1072 get_media_type_string(mword) 1073 int mword; 1074 { 1075 struct ifmedia_description *desc; 1076 1077 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; 1078 desc++) { 1079 if (IFM_TYPE(mword) == desc->ifmt_word) 1080 return (desc->ifmt_string); 1081 } 1082 return ("<unknown type>"); 1083 } 1084 1085 const char * 1086 get_media_subtype_string(mword) 1087 int mword; 1088 { 1089 struct ifmedia_description *desc; 1090 1091 for (desc = ifm_subtype_descriptions; desc->ifmt_string != NULL; 1092 desc++) { 1093 if (IFM_TYPE_MATCH(desc->ifmt_word, mword) && 1094 IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(mword)) 1095 return (desc->ifmt_string); 1096 } 1097 return ("<unknown subtype>"); 1098 } 1099 1100 int 1101 get_media_subtype(type, val) 1102 int type; 1103 const char *val; 1104 { 1105 int rval; 1106 1107 rval = lookup_media_word(ifm_subtype_descriptions, type, val); 1108 if (rval == -1) 1109 errx(1, "unknown %s media subtype: %s", 1110 get_media_type_string(type), val); 1111 1112 return (rval); 1113 } 1114 1115 int 1116 get_media_options(type, val) 1117 int type; 1118 const char *val; 1119 { 1120 char *optlist, *str; 1121 int option, rval = 0; 1122 1123 /* We muck with the string, so copy it. */ 1124 optlist = strdup(val); 1125 if (optlist == NULL) 1126 err(1, "strdup"); 1127 str = optlist; 1128 1129 /* 1130 * Look up the options in the user-provided comma-separated list. 1131 */ 1132 for (; (str = strtok(str, ",")) != NULL; str = NULL) { 1133 option = lookup_media_word(ifm_option_descriptions, type, str); 1134 if (option == -1) 1135 errx(1, "unknown %s media option: %s", 1136 get_media_type_string(type), str); 1137 rval |= option; 1138 } 1139 1140 free(optlist); 1141 return (rval); 1142 } 1143 1144 int 1145 lookup_media_word(desc, type, val) 1146 struct ifmedia_description *desc; 1147 int type; 1148 const char *val; 1149 { 1150 1151 for (; desc->ifmt_string != NULL; desc++) { 1152 if (IFM_TYPE_MATCH(desc->ifmt_word, type) && 1153 strcasecmp(desc->ifmt_string, val) == 0) 1154 return (desc->ifmt_word); 1155 } 1156 return (-1); 1157 } 1158 1159 void 1160 print_media_word(ifmw, print_type, as_syntax) 1161 int ifmw, print_type, as_syntax; 1162 { 1163 struct ifmedia_description *desc; 1164 int seen_option = 0; 1165 1166 if (print_type) 1167 printf("%s ", get_media_type_string(ifmw)); 1168 printf("%s%s", as_syntax ? "media " : "", 1169 get_media_subtype_string(ifmw)); 1170 1171 /* Find options. */ 1172 for (desc = ifm_option_descriptions; desc->ifmt_string != NULL; 1173 desc++) { 1174 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && 1175 (ifmw & desc->ifmt_word) != 0 && 1176 (seen_option & IFM_OPTIONS(desc->ifmt_word)) == 0) { 1177 if (seen_option == 0) 1178 printf(" %s", as_syntax ? "mediaopt " : ""); 1179 printf("%s%s", seen_option ? "," : "", 1180 desc->ifmt_string); 1181 seen_option |= IFM_OPTIONS(desc->ifmt_word); 1182 } 1183 } 1184 if (IFM_INST(ifmw) != 0) 1185 printf(" instance %d", IFM_INST(ifmw)); 1186 } 1187 1188 int carrier() 1189 { 1190 struct ifmediareq ifmr; 1191 1192 (void) memset(&ifmr, 0, sizeof(ifmr)); 1193 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1194 1195 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1196 /* 1197 * Interface doesn't support SIOC{G,S}IFMEDIA; 1198 * assume ok. 1199 */ 1200 return 0; 1201 } 1202 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1203 /* 1204 * Interface doesn't report media-valid status. 1205 * assume ok. 1206 */ 1207 return 0; 1208 } 1209 /* otherwise, return ok for active, not-ok if not active. */ 1210 return !(ifmr.ifm_status & IFM_ACTIVE); 1211 } 1212 1213 1214 #define IFFBITS \ 1215 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 1216 \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 1217 1218 /* 1219 * Print the status of the interface. If an address family was 1220 * specified, show it and it only; otherwise, show them all. 1221 */ 1222 void 1223 status(ap, alen) 1224 const u_int8_t *ap; 1225 int alen; 1226 { 1227 struct afswtch *p = afp; 1228 struct ifmediareq ifmr; 1229 int *media_list, i; 1230 1231 printf("%s: ", name); 1232 printb("flags", flags, IFFBITS); 1233 if (metric) 1234 printf(" metric %d", metric); 1235 if (mtu) 1236 printf(" mtu %d", mtu); 1237 putchar('\n'); 1238 if (ap && alen > 0) { 1239 printf("\taddress:"); 1240 for (i = 0; i < alen; i++, ap++) 1241 printf("%c%02x", i > 0 ? ':' : ' ', *ap); 1242 putchar('\n'); 1243 } 1244 1245 (void) memset(&ifmr, 0, sizeof(ifmr)); 1246 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1247 1248 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1249 /* 1250 * Interface doesn't support SIOC{G,S}IFMEDIA. 1251 */ 1252 goto proto_status; 1253 } 1254 1255 if (ifmr.ifm_count == 0) { 1256 warnx("%s: no media types?", name); 1257 goto proto_status; 1258 } 1259 1260 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1261 if (media_list == NULL) 1262 err(1, "malloc"); 1263 ifmr.ifm_ulist = media_list; 1264 1265 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) 1266 err(1, "SIOCGIFMEDIA"); 1267 1268 printf("\tmedia: "); 1269 print_media_word(ifmr.ifm_current, 1, 0); 1270 if (ifmr.ifm_active != ifmr.ifm_current) { 1271 putchar(' '); 1272 putchar('('); 1273 print_media_word(ifmr.ifm_active, 0, 0); 1274 putchar(')'); 1275 } 1276 putchar('\n'); 1277 1278 if (ifmr.ifm_status & IFM_AVALID) { 1279 printf("\tstatus: "); 1280 switch (IFM_TYPE(ifmr.ifm_active)) { 1281 case IFM_ETHER: 1282 if (ifmr.ifm_status & IFM_ACTIVE) 1283 printf("active"); 1284 else 1285 printf("no carrier"); 1286 break; 1287 1288 case IFM_FDDI: 1289 case IFM_TOKEN: 1290 if (ifmr.ifm_status & IFM_ACTIVE) 1291 printf("inserted"); 1292 else 1293 printf("no ring"); 1294 break; 1295 default: 1296 printf("unknown"); 1297 } 1298 putchar('\n'); 1299 } 1300 1301 if (mflag) { 1302 int type, printed_type; 1303 1304 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 1305 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 1306 if (IFM_TYPE(media_list[i]) == type) { 1307 if (printed_type == 0) { 1308 printf("\tsupported %s media:\n", 1309 get_media_type_string(type)); 1310 printed_type = 1; 1311 } 1312 printf("\t\t"); 1313 print_media_word(media_list[i], 0, 1); 1314 printf("\n"); 1315 } 1316 } 1317 } 1318 } 1319 1320 free(media_list); 1321 1322 proto_status: 1323 if ((p = afp) != NULL) { 1324 (*p->af_status)(1); 1325 if (Aflag & !aflag) 1326 printalias(name, p->af_af); 1327 } else for (p = afs; p->af_name; p++) { 1328 ifr.ifr_addr.sa_family = p->af_af; 1329 (*p->af_status)(0); 1330 if (Aflag & !aflag && p->af_af == AF_INET) 1331 printalias(name, p->af_af); 1332 } 1333 } 1334 1335 void 1336 in_alias(creq) 1337 struct ifreq *creq; 1338 { 1339 struct sockaddr_in *sin; 1340 1341 if (lflag) 1342 return; 1343 1344 /* Get the non-alias address for this interface. */ 1345 getsock(AF_INET); 1346 if (s < 0) { 1347 if (errno == EPROTONOSUPPORT) 1348 return; 1349 err(1, "socket"); 1350 } 1351 (void) memset(&ifr, 0, sizeof(ifr)); 1352 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1353 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 1354 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1355 return; 1356 } else 1357 warn("SIOCGIFADDR"); 1358 } 1359 /* If creq and ifr are the same address, this is not an alias. */ 1360 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 1361 sizeof(creq->ifr_addr)) == 0) 1362 return; 1363 (void) memset(&addreq, 0, sizeof(addreq)); 1364 (void) strncpy(addreq.ifra_name, name, sizeof(addreq.ifra_name)); 1365 addreq.ifra_addr = creq->ifr_addr; 1366 if (ioctl(s, SIOCGIFALIAS, (caddr_t)&addreq) < 0) { 1367 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1368 return; 1369 } else 1370 warn("SIOCGIFALIAS"); 1371 } 1372 1373 sin = (struct sockaddr_in *)&addreq.ifra_addr; 1374 printf("\tinet alias %s", inet_ntoa(sin->sin_addr)); 1375 1376 if (flags & IFF_POINTOPOINT) { 1377 sin = (struct sockaddr_in *)&addreq.ifra_dstaddr; 1378 printf(" -> %s", inet_ntoa(sin->sin_addr)); 1379 } 1380 1381 sin = (struct sockaddr_in *)&addreq.ifra_mask; 1382 printf(" netmask 0x%x", ntohl(sin->sin_addr.s_addr)); 1383 1384 if (flags & IFF_BROADCAST) { 1385 sin = (struct sockaddr_in *)&addreq.ifra_broadaddr; 1386 printf(" broadcast %s", inet_ntoa(sin->sin_addr)); 1387 } 1388 printf("\n"); 1389 } 1390 1391 void 1392 in_status(force) 1393 int force; 1394 { 1395 struct sockaddr_in *sin; 1396 1397 getsock(AF_INET); 1398 if (s < 0) { 1399 if (errno == EPROTONOSUPPORT) 1400 return; 1401 err(1, "socket"); 1402 } 1403 (void) memset(&ifr, 0, sizeof(ifr)); 1404 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1405 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 1406 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1407 if (!force) 1408 return; 1409 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1410 } else 1411 warn("SIOCGIFADDR"); 1412 } 1413 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1414 sin = (struct sockaddr_in *)&ifr.ifr_addr; 1415 printf("\tinet %s ", inet_ntoa(sin->sin_addr)); 1416 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1417 if (ioctl(s, SIOCGIFNETMASK, (caddr_t)&ifr) < 0) { 1418 if (errno != EADDRNOTAVAIL) 1419 warn("SIOCGIFNETMASK"); 1420 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1421 } else 1422 netmask.sin_addr = 1423 ((struct sockaddr_in *)&ifr.ifr_addr)->sin_addr; 1424 if (flags & IFF_POINTOPOINT) { 1425 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 1426 if (errno == EADDRNOTAVAIL) 1427 (void) memset(&ifr.ifr_addr, 0, 1428 sizeof(ifr.ifr_addr)); 1429 else 1430 warn("SIOCGIFDSTADDR"); 1431 } 1432 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1433 sin = (struct sockaddr_in *)&ifr.ifr_dstaddr; 1434 printf("--> %s ", inet_ntoa(sin->sin_addr)); 1435 } 1436 printf("netmask 0x%x ", ntohl(netmask.sin_addr.s_addr)); 1437 if (flags & IFF_BROADCAST) { 1438 if (ioctl(s, SIOCGIFBRDADDR, (caddr_t)&ifr) < 0) { 1439 if (errno == EADDRNOTAVAIL) 1440 (void) memset(&ifr.ifr_addr, 0, 1441 sizeof(ifr.ifr_addr)); 1442 else 1443 warn("SIOCGIFBRDADDR"); 1444 } 1445 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1446 sin = (struct sockaddr_in *)&ifr.ifr_addr; 1447 if (sin->sin_addr.s_addr != 0) 1448 printf("broadcast %s", inet_ntoa(sin->sin_addr)); 1449 } 1450 putchar('\n'); 1451 } 1452 1453 void 1454 setifprefixlen(addr, d) 1455 char *addr; 1456 int d; 1457 { 1458 if (*afp->af_getprefix) 1459 (*afp->af_getprefix)(addr, MASK); 1460 explicit_prefix = 1; 1461 } 1462 1463 #ifdef INET6 1464 /* XXX not really an alias */ 1465 void 1466 in6_alias(creq) 1467 struct in6_ifreq *creq; 1468 { 1469 struct sockaddr_in6 *sin6; 1470 1471 /* Get the non-alias address for this interface. */ 1472 getsock(AF_INET6); 1473 if (s < 0) { 1474 if (errno == EPROTONOSUPPORT) 1475 return; 1476 err(1, "socket"); 1477 } 1478 1479 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 1480 1481 printf("\tinet6 %s", inet_ntop(AF_INET6, &sin6->sin6_addr, 1482 ntop_buf, sizeof(ntop_buf))); 1483 1484 if (flags & IFF_POINTOPOINT) { 1485 (void) memset(&ifr6, 0, sizeof(ifr6)); 1486 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 1487 ifr6.ifr_addr = creq->ifr_addr; 1488 if (ioctl(s, SIOCGIFDSTADDR_IN6, (caddr_t)&ifr6) < 0) { 1489 if (errno != EADDRNOTAVAIL) 1490 warn("SIOCGIFDSTADDR_IN6"); 1491 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 1492 ifr6.ifr_addr.sin6_family = AF_INET6; 1493 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 1494 } 1495 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 1496 printf(" -> %s", inet_ntop(AF_INET6, &sin6->sin6_addr, 1497 ntop_buf, sizeof(ntop_buf))); 1498 } 1499 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, SIOCGIFNETMASK_IN6, (caddr_t)&ifr6) < 0) { 1504 if (errno != EADDRNOTAVAIL) 1505 warn("SIOCGIFNETMASK_IN6"); 1506 } else { 1507 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 1508 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 1509 sizeof(struct in6_addr))); 1510 } 1511 1512 (void) memset(&ifr6, 0, sizeof(ifr6)); 1513 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 1514 ifr6.ifr_addr = creq->ifr_addr; 1515 if (ioctl(s, SIOCGIFAFLAG_IN6, (caddr_t)&ifr6) < 0) { 1516 if (errno != EADDRNOTAVAIL) 1517 warn("SIOCGIFAFLAG_IN6"); 1518 } else { 1519 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 1520 printf(" anycast"); 1521 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 1522 printf(" tentative"); 1523 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 1524 printf(" duplicated"); 1525 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 1526 printf(" detached"); 1527 } 1528 1529 if (Lflag) { 1530 struct in6_addrlifetime *lifetime; 1531 (void) memset(&ifr6, 0, sizeof(ifr6)); 1532 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 1533 ifr6.ifr_addr = creq->ifr_addr; 1534 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 1535 if (ioctl(s, SIOCGIFALIFETIME_IN6, (caddr_t)&ifr6) < 0) { 1536 if (errno != EADDRNOTAVAIL) 1537 warn("SIOCGIFALIFETIME_IN6"); 1538 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 1539 time_t t = time(NULL); 1540 printf(" pltime "); 1541 if (lifetime->ia6t_preferred) { 1542 printf("%s", lifetime->ia6t_preferred < t 1543 ? "0" 1544 : sec2str(lifetime->ia6t_preferred - t)); 1545 } else 1546 printf("infty"); 1547 1548 printf(" vltime "); 1549 if (lifetime->ia6t_expire) { 1550 printf("%s", lifetime->ia6t_expire < t 1551 ? "0" 1552 : sec2str(lifetime->ia6t_expire - t)); 1553 } else 1554 printf("infty"); 1555 } 1556 } 1557 1558 printf("\n"); 1559 } 1560 1561 void 1562 in6_status(force) 1563 int force; 1564 { 1565 char inbuf[8192]; 1566 struct ifconf ifc; 1567 struct ifreq *ifr; 1568 int i; 1569 1570 ifc.ifc_len = sizeof(inbuf); 1571 ifc.ifc_buf = inbuf; 1572 getsock(af); 1573 if (s < 0) 1574 err(1, "socket"); 1575 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 1576 err(1, "SIOCGIFCONF"); 1577 ifr = ifc.ifc_req; 1578 for (i = 0; i < ifc.ifc_len; ) { 1579 ifr = (struct ifreq *)((caddr_t)ifc.ifc_req + i); 1580 i += sizeof(ifr->ifr_name) + 1581 (ifr->ifr_addr.sa_len > sizeof(struct sockaddr) 1582 ? ifr->ifr_addr.sa_len 1583 : sizeof(struct sockaddr)); 1584 if (!strncmp(name, ifr->ifr_name, sizeof(ifr->ifr_name))) { 1585 if (ifr->ifr_addr.sa_family == AF_INET6) 1586 in6_alias((struct in6_ifreq *)ifr); 1587 } 1588 } 1589 } 1590 #endif /*INET6*/ 1591 1592 #ifndef INET_ONLY 1593 1594 void 1595 at_status(force) 1596 int force; 1597 { 1598 struct sockaddr_at *sat, null_sat; 1599 struct netrange *nr; 1600 1601 getsock(AF_APPLETALK); 1602 if (s < 0) { 1603 if (errno == EPROTONOSUPPORT) 1604 return; 1605 err(1, "socket"); 1606 } 1607 (void) memset(&ifr, 0, sizeof(ifr)); 1608 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1609 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 1610 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1611 if (!force) 1612 return; 1613 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1614 } else 1615 warn("SIOCGIFADDR"); 1616 } 1617 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 1618 sat = (struct sockaddr_at *)&ifr.ifr_addr; 1619 1620 (void) memset(&null_sat, 0, sizeof(null_sat)); 1621 1622 nr = (struct netrange *) &sat->sat_zero; 1623 printf("\tatalk %d.%d range %d-%d phase %d", 1624 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 1625 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 1626 if (flags & IFF_POINTOPOINT) { 1627 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 1628 if (errno == EADDRNOTAVAIL) 1629 (void) memset(&ifr.ifr_addr, 0, 1630 sizeof(ifr.ifr_addr)); 1631 else 1632 warn("SIOCGIFDSTADDR"); 1633 } 1634 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1635 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 1636 if (!sat) 1637 sat = &null_sat; 1638 printf("--> %d.%d", 1639 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 1640 } 1641 if (flags & IFF_BROADCAST) { 1642 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 1643 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 1644 if (sat) 1645 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 1646 sat->sat_addr.s_node); 1647 } 1648 putchar('\n'); 1649 } 1650 1651 void 1652 xns_status(force) 1653 int force; 1654 { 1655 struct sockaddr_ns *sns; 1656 1657 getsock(AF_NS); 1658 if (s < 0) { 1659 if (errno == EPROTONOSUPPORT) 1660 return; 1661 err(1, "socket"); 1662 } 1663 (void) memset(&ifr, 0, sizeof(ifr)); 1664 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1665 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 1666 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1667 if (!force) 1668 return; 1669 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1670 } else 1671 warn("SIOCGIFADDR"); 1672 } 1673 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 1674 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 1675 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 1676 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 1677 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 1678 if (errno == EADDRNOTAVAIL) 1679 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1680 else 1681 warn("SIOCGIFDSTADDR"); 1682 } 1683 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1684 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 1685 printf("--> %s ", ns_ntoa(sns->sns_addr)); 1686 } 1687 putchar('\n'); 1688 } 1689 1690 void 1691 iso_status(force) 1692 int force; 1693 { 1694 struct sockaddr_iso *siso; 1695 struct iso_ifreq ifr; 1696 1697 getsock(AF_ISO); 1698 if (s < 0) { 1699 if (errno == EPROTONOSUPPORT) 1700 return; 1701 err(1, "socket"); 1702 } 1703 (void) memset(&ifr, 0, sizeof(ifr)); 1704 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1705 if (ioctl(s, SIOCGIFADDR_ISO, (caddr_t)&ifr) < 0) { 1706 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1707 if (!force) 1708 return; 1709 (void) memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 1710 } else 1711 warn("SIOCGIFADDR_ISO"); 1712 } 1713 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 1714 siso = &ifr.ifr_Addr; 1715 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 1716 if (ioctl(s, SIOCGIFNETMASK_ISO, (caddr_t)&ifr) < 0) { 1717 if (errno == EADDRNOTAVAIL) 1718 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 1719 else 1720 warn("SIOCGIFNETMASK_ISO"); 1721 } else { 1722 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 1723 siso->siso_addr.isoa_len = siso->siso_len 1724 - offsetof(struct sockaddr_iso, siso_addr); 1725 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 1726 } 1727 if (flags & IFF_POINTOPOINT) { 1728 if (ioctl(s, SIOCGIFDSTADDR_ISO, (caddr_t)&ifr) < 0) { 1729 if (errno == EADDRNOTAVAIL) 1730 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 1731 else 1732 warn("SIOCGIFDSTADDR_ISO"); 1733 } 1734 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1735 siso = &ifr.ifr_Addr; 1736 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 1737 } 1738 putchar('\n'); 1739 } 1740 1741 #endif /* INET_ONLY */ 1742 1743 #define SIN(x) ((struct sockaddr_in *) &(x)) 1744 struct sockaddr_in *sintab[] = { 1745 SIN(ridreq.ifr_addr), SIN(addreq.ifra_addr), 1746 SIN(addreq.ifra_mask), SIN(addreq.ifra_broadaddr)}; 1747 1748 void 1749 in_getaddr(s, which) 1750 char *s; 1751 int which; 1752 { 1753 struct sockaddr_in *sin = sintab[which]; 1754 struct hostent *hp; 1755 struct netent *np; 1756 1757 sin->sin_len = sizeof(*sin); 1758 if (which != MASK) 1759 sin->sin_family = AF_INET; 1760 1761 if (inet_aton(s, &sin->sin_addr) == 0) { 1762 if ((hp = gethostbyname(s)) != NULL) 1763 (void) memcpy(&sin->sin_addr, hp->h_addr, hp->h_length); 1764 else if ((np = getnetbyname(s)) != NULL) 1765 sin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 1766 else 1767 errx(1, "%s: bad value", s); 1768 } 1769 } 1770 1771 /* 1772 * Print a value a la the %b format of the kernel's printf 1773 */ 1774 void 1775 printb(s, v, bits) 1776 char *s; 1777 char *bits; 1778 unsigned short v; 1779 { 1780 int i, any = 0; 1781 char c; 1782 1783 if (bits && *bits == 8) 1784 printf("%s=%o", s, v); 1785 else 1786 printf("%s=%x", s, v); 1787 bits++; 1788 if (bits) { 1789 putchar('<'); 1790 while ((i = *bits++) != 0) { 1791 if (v & (1 << (i-1))) { 1792 if (any) 1793 putchar(','); 1794 any = 1; 1795 for (; (c = *bits) > 32; bits++) 1796 putchar(c); 1797 } else 1798 for (; *bits > 32; bits++) 1799 ; 1800 } 1801 putchar('>'); 1802 } 1803 } 1804 1805 #ifdef INET6 1806 #define SIN6(x) ((struct sockaddr_in6 *) &(x)) 1807 struct sockaddr_in6 *sin6tab[] = { 1808 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 1809 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 1810 1811 void 1812 in6_getaddr(s, which) 1813 char *s; 1814 int which; 1815 { 1816 struct sockaddr_in6 *sin = sin6tab[which]; 1817 1818 sin->sin6_len = sizeof(*sin); 1819 if (which != MASK) 1820 sin->sin6_family = AF_INET6; 1821 1822 if (inet_pton(AF_INET6, s, &sin->sin6_addr) <= 0) 1823 errx(1, "%s: bad value", s); 1824 } 1825 1826 void 1827 in6_getprefix(plen, which) 1828 char *plen; 1829 int which; 1830 { 1831 register struct sockaddr_in6 *sin = sin6tab[which]; 1832 register u_char *cp; 1833 int len = strtol(plen, (char **)NULL, 10); 1834 1835 if ((len < 0) || (len > 128)) 1836 errx(1, "%s: bad value", plen); 1837 sin->sin6_len = sizeof(*sin); 1838 if (which != MASK) 1839 sin->sin6_family = AF_INET6; 1840 if ((len == 0) || (len == 128)) { 1841 memset(&sin->sin6_addr, 0xff, sizeof(struct in6_addr)); 1842 return; 1843 } 1844 memset((void *)&sin->sin6_addr, 0x00, sizeof(sin->sin6_addr)); 1845 for (cp = (u_char *)&sin->sin6_addr; len > 7; len -= 8) 1846 *cp++ = 0xff; 1847 *cp = 0xff << (8 - len); 1848 } 1849 1850 int 1851 prefix(val, size) 1852 void *val; 1853 int size; 1854 { 1855 register u_char *name = (u_char *)val; 1856 register int byte, bit, plen = 0; 1857 1858 for (byte = 0; byte < size; byte++, plen += 8) 1859 if (name[byte] != 0xff) 1860 break; 1861 if (byte == size) 1862 return (plen); 1863 for (bit = 7; bit != 0; bit--, plen++) 1864 if (!(name[byte] & (1 << bit))) 1865 break; 1866 for (; bit != 0; bit--) 1867 if (name[byte] & (1 << bit)) 1868 return(0); 1869 byte++; 1870 for (; byte < size; byte++) 1871 if (name[byte]) 1872 return(0); 1873 return (plen); 1874 } 1875 #endif /*INET6*/ 1876 1877 #ifndef INET_ONLY 1878 void 1879 at_getaddr(addr, which) 1880 char *addr; 1881 int which; 1882 { 1883 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 1884 u_int net, node; 1885 1886 sat->sat_family = AF_APPLETALK; 1887 sat->sat_len = sizeof(*sat); 1888 if (which == MASK) 1889 errx(1, "AppleTalk does not use netmasks\n"); 1890 if (sscanf(addr, "%u.%u", &net, &node) != 2 1891 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 1892 errx(1, "%s: illegal address", addr); 1893 sat->sat_addr.s_net = htons(net); 1894 sat->sat_addr.s_node = node; 1895 } 1896 1897 void 1898 setatrange(range, d) 1899 char *range; 1900 int d; 1901 { 1902 u_short first = 123, last = 123; 1903 1904 if (sscanf(range, "%hu-%hu", &first, &last) != 2 1905 || first == 0 || first > 0xffff 1906 || last == 0 || last > 0xffff || first > last) 1907 errx(1, "%s: illegal net range: %u-%u", range, first, last); 1908 at_nr.nr_firstnet = htons(first); 1909 at_nr.nr_lastnet = htons(last); 1910 } 1911 1912 void 1913 setatphase(phase, d) 1914 char *phase; 1915 int d; 1916 { 1917 if (!strcmp(phase, "1")) 1918 at_nr.nr_phase = 1; 1919 else if (!strcmp(phase, "2")) 1920 at_nr.nr_phase = 2; 1921 else 1922 errx(1, "%s: illegal phase", phase); 1923 } 1924 1925 void 1926 checkatrange(sat) 1927 struct sockaddr_at *sat; 1928 { 1929 if (at_nr.nr_phase == 0) 1930 at_nr.nr_phase = 2; /* Default phase 2 */ 1931 if (at_nr.nr_firstnet == 0) 1932 at_nr.nr_firstnet = /* Default range of one */ 1933 at_nr.nr_lastnet = sat->sat_addr.s_net; 1934 printf("\tatalk %d.%d range %d-%d phase %d\n", 1935 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 1936 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 1937 if ((u_short) ntohs(at_nr.nr_firstnet) > 1938 (u_short) ntohs(sat->sat_addr.s_net) 1939 || (u_short) ntohs(at_nr.nr_lastnet) < 1940 (u_short) ntohs(sat->sat_addr.s_net)) 1941 errx(1, "AppleTalk address is not in range"); 1942 *((struct netrange *) &sat->sat_zero) = at_nr; 1943 } 1944 1945 #define SNS(x) ((struct sockaddr_ns *) &(x)) 1946 struct sockaddr_ns *snstab[] = { 1947 SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 1948 SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 1949 1950 void 1951 xns_getaddr(addr, which) 1952 char *addr; 1953 int which; 1954 { 1955 struct sockaddr_ns *sns = snstab[which]; 1956 1957 sns->sns_family = AF_NS; 1958 sns->sns_len = sizeof(*sns); 1959 sns->sns_addr = ns_addr(addr); 1960 if (which == MASK) 1961 puts("Attempt to set XNS netmask will be ineffectual"); 1962 } 1963 1964 #define SISO(x) ((struct sockaddr_iso *) &(x)) 1965 struct sockaddr_iso *sisotab[] = { 1966 SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 1967 SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 1968 1969 void 1970 iso_getaddr(addr, which) 1971 char *addr; 1972 int which; 1973 { 1974 struct sockaddr_iso *siso = sisotab[which]; 1975 siso->siso_addr = *iso_addr(addr); 1976 1977 if (which == MASK) { 1978 siso->siso_len = TSEL(siso) - (caddr_t)(siso); 1979 siso->siso_nlen = 0; 1980 } else { 1981 siso->siso_len = sizeof(*siso); 1982 siso->siso_family = AF_ISO; 1983 } 1984 } 1985 1986 void 1987 setsnpaoffset(val, d) 1988 char *val; 1989 int d; 1990 { 1991 iso_addreq.ifra_snpaoffset = atoi(val); 1992 } 1993 1994 void 1995 setnsellength(val, d) 1996 char *val; 1997 int d; 1998 { 1999 nsellength = atoi(val); 2000 if (nsellength < 0) 2001 errx(1, "Negative NSEL length is absurd"); 2002 if (afp == 0 || afp->af_af != AF_ISO) 2003 errx(1, "Setting NSEL length valid only for iso"); 2004 } 2005 2006 void 2007 fixnsel(s) 2008 struct sockaddr_iso *s; 2009 { 2010 if (s->siso_family == 0) 2011 return; 2012 s->siso_tlen = nsellength; 2013 } 2014 2015 void 2016 adjust_nsellength() 2017 { 2018 fixnsel(sisotab[RIDADDR]); 2019 fixnsel(sisotab[ADDR]); 2020 fixnsel(sisotab[DSTADDR]); 2021 } 2022 2023 #endif /* INET_ONLY */ 2024 2025 void 2026 usage() 2027 { 2028 fprintf(stderr, 2029 "usage: ifconfig [ -m ] [ -A ] %s interface\n%s%s%s%s%s%s%s%s%s%s%s%s", 2030 #ifdef INET6 2031 "[ -L ]", 2032 #else 2033 "", 2034 #endif 2035 "\t[ af [ address [ dest_addr ] ] [ up ] [ down ] ", 2036 "[ netmask mask ] ]\n", 2037 "\t[ metric n ]\n", 2038 "\t[ mtu n ]\n", 2039 "\t[ arp | -arp ]\n", 2040 "\t[ media mtype ]\n", 2041 "\t[ mediaopt mopts ]\n", 2042 "\t[ -mediaopt mopts ]\n", 2043 "\t[ instance minst ]\n", 2044 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n", 2045 " ifconfig -a [ -A ] [ -m ] [ -d ] [ -u ] [ af ]\n", 2046 " ifconfig -l [ -d ] [ -u ]\n"); 2047 exit(1); 2048 } 2049 2050 #ifdef INET6 2051 char * 2052 sec2str(total) 2053 time_t total; 2054 { 2055 static char result[256]; 2056 int days, hours, mins, secs; 2057 int first = 1; 2058 char *p = result; 2059 2060 if (0) { /*XXX*/ 2061 days = total / 3600 / 24; 2062 hours = (total / 3600) % 24; 2063 mins = (total / 60) % 60; 2064 secs = total % 60; 2065 2066 if (days) { 2067 first = 0; 2068 p += sprintf(p, "%dd", days); 2069 } 2070 if (!first || hours) { 2071 first = 0; 2072 p += sprintf(p, "%dh", hours); 2073 } 2074 if (!first || mins) { 2075 first = 0; 2076 p += sprintf(p, "%dm", mins); 2077 } 2078 sprintf(p, "%ds", secs); 2079 } else 2080 sprintf(p, "%lu", (u_long)total); 2081 2082 return(result); 2083 } 2084 #endif 2085
Indexes created Mon Sep 29 21:09:56 GMT 2025