ifconfig.c revision 1.54
1 /* $NetBSD: ifconfig.c,v 1.54 1999/07/03 17:31:15 sommerfeld 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 1.54 1999/07/03 17:31:15 sommerfeld 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 p++; /* got src, do dst */ 483 if (p->c_func) { 484 if (p->c_parameter == NEXTARG) { 485 if (argc < 2) 486 errx(1, "'%s' requires argument", 487 p->c_name); 488 (*p->c_func)(argv[1], 0); 489 argc--, argv++; 490 } else 491 (*p->c_func)(argv[0], p->c_parameter); 492 actions |= p->c_action; 493 } 494 argc--, argv++; 495 } 496 497 /* Process any media commands that may have been issued. */ 498 process_media_commands(); 499 500 if (af == AF_INET6 && explicit_prefix == 0) { 501 /* 502 * Aggregatable address architecture defines all prefixes 503 * are 64. So, it is convenient to set prefixlen to 64 if 504 * it is not specified. 505 */ 506 setifprefixlen("64", 0); 507 /* in6_getprefix("64", MASK) if MASK is available here... */ 508 } 509 510 #ifndef INET_ONLY 511 if (af == AF_ISO) 512 adjust_nsellength(); 513 514 if (af == AF_APPLETALK) 515 checkatrange((struct sockaddr_at *) &addreq.ifra_addr); 516 517 if (setipdst && af==AF_NS) { 518 struct nsip_req rq; 519 int size = sizeof(rq); 520 521 rq.rq_ns = addreq.ifra_addr; 522 rq.rq_ip = addreq.ifra_dstaddr; 523 524 if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0) 525 warn("encapsulation routing"); 526 } 527 528 #endif /* INET_ONLY */ 529 530 if (clearaddr) { 531 int ret; 532 (void) strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name); 533 if ((ret = ioctl(s, afp->af_difaddr, afp->af_ridreq)) < 0) { 534 if (errno == EADDRNOTAVAIL && (doalias >= 0)) { 535 /* means no previous address for interface */ 536 } else 537 warn("SIOCDIFADDR"); 538 } 539 } 540 if (newaddr > 0) { 541 (void) strncpy(afp->af_addreq, name, sizeof ifr.ifr_name); 542 if (ioctl(s, afp->af_aifaddr, afp->af_addreq) < 0) 543 warn("SIOCAIFADDR"); 544 } 545 if (reset_if_flags && ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifr) < 0) 546 err(1, "SIOCSIFFLAGS"); 547 exit(0); 548 } 549 550 struct afswtch * 551 lookup_af(cp) 552 const char *cp; 553 { 554 struct afswtch *a; 555 556 for (a = afs; a->af_name != NULL; a++) 557 if (strcmp(a->af_name, cp) == 0) 558 return (a); 559 return (NULL); 560 } 561 562 void 563 getsock(naf) 564 int naf; 565 { 566 static int oaf = -1; 567 568 if (oaf == naf) 569 return; 570 if (oaf != -1) 571 close(s); 572 s = socket(naf, SOCK_DGRAM, 0); 573 if (s < 0) 574 oaf = -1; 575 else 576 oaf = naf; 577 } 578 579 int 580 getinfo(ifr) 581 struct ifreq *ifr; 582 { 583 584 getsock(af); 585 if (s < 0) 586 err(1, "socket"); 587 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)ifr) < 0) { 588 warn("SIOCGIFFLAGS %s", ifr->ifr_name); 589 return (-1); 590 } 591 flags = ifr->ifr_flags; 592 if (ioctl(s, SIOCGIFMETRIC, (caddr_t)ifr) < 0) { 593 warn("SIOCGIFMETRIC %s", ifr->ifr_name); 594 metric = 0; 595 } else 596 metric = ifr->ifr_metric; 597 if (ioctl(s, SIOCGIFMTU, (caddr_t)ifr) < 0) 598 mtu = 0; 599 else 600 mtu = ifr->ifr_mtu; 601 return (0); 602 } 603 604 void 605 printalias(iname, af) 606 const char *iname; 607 int af; 608 { 609 char inbuf[8192]; 610 struct ifconf ifc; 611 struct ifreq *ifr; 612 int i; 613 614 ifc.ifc_len = sizeof(inbuf); 615 ifc.ifc_buf = inbuf; 616 getsock(af); 617 if (s < 0) 618 err(1, "socket"); 619 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 620 err(1, "SIOCGIFCONF"); 621 ifr = ifc.ifc_req; 622 for (i = 0; i < ifc.ifc_len; ) { 623 ifr = (struct ifreq *)((caddr_t)ifc.ifc_req + i); 624 i += sizeof(ifr->ifr_name) + 625 (ifr->ifr_addr.sa_len > sizeof(struct sockaddr) 626 ? ifr->ifr_addr.sa_len 627 : sizeof(struct sockaddr)); 628 if (!strncmp(iname, ifr->ifr_name, sizeof(ifr->ifr_name))) { 629 if (ifr->ifr_addr.sa_family == af) 630 switch (af) { 631 case AF_INET: 632 in_alias(ifr); 633 break; 634 default: 635 /*none*/ 636 } 637 continue; 638 } 639 } 640 } 641 642 void 643 printall() 644 { 645 char inbuf[8192]; 646 const struct sockaddr_dl *sdl = NULL; 647 struct ifconf ifc; 648 struct ifreq ifreq, *ifr; 649 int i, idx; 650 651 ifc.ifc_len = sizeof(inbuf); 652 ifc.ifc_buf = inbuf; 653 getsock(af); 654 if (s < 0) 655 err(1, "socket"); 656 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 657 err(1, "SIOCGIFCONF"); 658 ifr = ifc.ifc_req; 659 ifreq.ifr_name[0] = '\0'; 660 for (i = 0, idx = 0; i < ifc.ifc_len; ) { 661 ifr = (struct ifreq *)((caddr_t)ifc.ifc_req + i); 662 i += sizeof(ifr->ifr_name) + 663 (ifr->ifr_addr.sa_len > sizeof(struct sockaddr) 664 ? ifr->ifr_addr.sa_len 665 : sizeof(struct sockaddr)); 666 if (ifr->ifr_addr.sa_family == AF_LINK) 667 sdl = (const struct sockaddr_dl *) &ifr->ifr_addr; 668 if (!strncmp(ifreq.ifr_name, ifr->ifr_name, 669 sizeof(ifr->ifr_name))) { 670 if (Aflag && ifr->ifr_addr.sa_family == AF_INET) 671 in_alias(ifr); 672 continue; 673 } 674 (void) strncpy(name, ifr->ifr_name, sizeof(ifr->ifr_name)); 675 ifreq = *ifr; 676 677 if (getinfo(&ifreq) < 0) 678 continue; 679 if (bflag && (flags & (IFF_POINTOPOINT|IFF_LOOPBACK))) 680 continue; 681 if (dflag && (flags & IFF_UP) != 0) 682 continue; 683 if (uflag && (flags & IFF_UP) == 0) 684 continue; 685 686 if (sflag && carrier()) 687 continue; 688 idx++; 689 /* 690 * Are we just listing the interfaces? 691 */ 692 if (lflag) { 693 if (idx > 1) 694 putchar(' '); 695 fputs(name, stdout); 696 continue; 697 } 698 699 if (sdl == NULL) { 700 status(NULL, 0); 701 } else { 702 status(LLADDR(sdl), sdl->sdl_alen); 703 sdl = NULL; 704 } 705 } 706 if (lflag) 707 putchar('\n'); 708 } 709 710 #define RIDADDR 0 711 #define ADDR 1 712 #define MASK 2 713 #define DSTADDR 3 714 715 /*ARGSUSED*/ 716 void 717 setifaddr(addr, param) 718 char *addr; 719 int param; 720 { 721 /* 722 * Delay the ioctl to set the interface addr until flags are all set. 723 * The address interpretation may depend on the flags, 724 * and the flags may change when the address is set. 725 */ 726 setaddr++; 727 if (newaddr == -1) 728 newaddr = 1; 729 if (doalias == 0) 730 clearaddr = 1; 731 (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR)); 732 } 733 734 void 735 setifnetmask(addr, d) 736 char *addr; 737 int d; 738 { 739 (*afp->af_getaddr)(addr, MASK); 740 } 741 742 void 743 setifbroadaddr(addr, d) 744 char *addr; 745 int d; 746 { 747 (*afp->af_getaddr)(addr, DSTADDR); 748 } 749 750 void 751 setifipdst(addr, d) 752 char *addr; 753 int d; 754 { 755 in_getaddr(addr, DSTADDR); 756 setipdst++; 757 clearaddr = 0; 758 newaddr = 0; 759 } 760 761 #define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr)) 762 /*ARGSUSED*/ 763 void 764 notealias(addr, param) 765 char *addr; 766 int param; 767 { 768 if (setaddr && doalias == 0 && param < 0) 769 (void) memcpy(rqtosa(af_ridreq), rqtosa(af_addreq), 770 rqtosa(af_addreq)->sa_len); 771 doalias = param; 772 if (param < 0) { 773 clearaddr = 1; 774 newaddr = 0; 775 } else 776 clearaddr = 0; 777 } 778 779 /*ARGSUSED*/ 780 void 781 notrailers(vname, value) 782 char *vname; 783 int value; 784 { 785 puts("Note: trailers are no longer sent, but always received"); 786 } 787 788 /*ARGSUSED*/ 789 void 790 setifdstaddr(addr, param) 791 char *addr; 792 int param; 793 { 794 (*afp->af_getaddr)(addr, DSTADDR); 795 } 796 797 void 798 setifflags(vname, value) 799 char *vname; 800 int value; 801 { 802 if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifr) < 0) 803 err(1, "SIOCGIFFLAGS"); 804 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 805 flags = ifr.ifr_flags; 806 807 if (value < 0) { 808 value = -value; 809 flags &= ~value; 810 } else 811 flags |= value; 812 ifr.ifr_flags = flags; 813 if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifr) < 0) 814 err(1, "SIOCSIFFLAGS"); 815 816 reset_if_flags = 1; 817 } 818 819 #ifdef INET6 820 void 821 setia6flags(vname, value) 822 char *vname; 823 int value; 824 { 825 if (value < 0) { 826 value = -value; 827 in6_addreq.ifra_flags &= ~value; 828 } else 829 in6_addreq.ifra_flags |= value; 830 } 831 832 void 833 setia6pltime(val, d) 834 char *val; 835 int d; 836 { 837 setia6lifetime("pltime", val); 838 } 839 840 void 841 setia6vltime(val, d) 842 char *val; 843 int d; 844 { 845 setia6lifetime("vltime", val); 846 } 847 848 void 849 setia6lifetime(cmd, val) 850 char *cmd; 851 char *val; 852 { 853 time_t newval, t; 854 char *ep; 855 856 t = time(NULL); 857 newval = (time_t)strtoul(val, &ep, 0); 858 if (val == ep) 859 errx(1, "invalid %s", cmd); 860 if (afp->af_af != AF_INET6) 861 errx(1, "%s not allowed for the AF", cmd); 862 if (strcmp(cmd, "vltime") == 0) { 863 in6_addreq.ifra_lifetime.ia6t_expire = t + newval; 864 in6_addreq.ifra_lifetime.ia6t_vltime = newval; 865 } else if (strcmp(cmd, "pltime") == 0) { 866 in6_addreq.ifra_lifetime.ia6t_preferred = t + newval; 867 in6_addreq.ifra_lifetime.ia6t_pltime = newval; 868 } 869 } 870 #endif 871 872 void 873 setifmetric(val, d) 874 char *val; 875 int d; 876 { 877 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 878 ifr.ifr_metric = atoi(val); 879 if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) < 0) 880 warn("SIOCSIFMETRIC"); 881 } 882 883 void 884 setifmtu(val, d) 885 char *val; 886 int d; 887 { 888 (void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 889 ifr.ifr_mtu = atoi(val); 890 if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) < 0) 891 warn("SIOCSIFMTU"); 892 } 893 894 void 895 init_current_media() 896 { 897 struct ifmediareq ifmr; 898 899 /* 900 * If we have not yet done so, grab the currently-selected 901 * media. 902 */ 903 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 904 (void) memset(&ifmr, 0, sizeof(ifmr)); 905 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 906 907 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 908 /* 909 * If we get E2BIG, the kernel is telling us 910 * that there are more, so we can ignore it. 911 */ 912 if (errno != E2BIG) 913 err(1, "SGIOCGIFMEDIA"); 914 } 915 916 media_current = ifmr.ifm_current; 917 } 918 919 /* Sanity. */ 920 if (IFM_TYPE(media_current) == 0) 921 errx(1, "%s: no link type?", name); 922 } 923 924 void 925 process_media_commands() 926 { 927 928 if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) { 929 /* Nothing to do. */ 930 return; 931 } 932 933 /* 934 * Media already set up, and commands sanity-checked. Set/clear 935 * any options, and we're ready to go. 936 */ 937 media_current |= mediaopt_set; 938 media_current &= ~mediaopt_clear; 939 940 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 941 ifr.ifr_media = media_current; 942 943 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0) 944 err(1, "SIOCSIFMEDIA"); 945 } 946 947 void 948 setmedia(val, d) 949 char *val; 950 int d; 951 { 952 int type, subtype, inst; 953 954 init_current_media(); 955 956 /* Only one media command may be given. */ 957 if (actions & A_MEDIA) 958 errx(1, "only one `media' command may be issued"); 959 960 /* Must not come after mediaopt commands */ 961 if (actions & A_MEDIAOPT) 962 errx(1, "may not issue `media' after `mediaopt' commands"); 963 964 /* 965 * No need to check if `instance' has been issued; setmediainst() 966 * craps out if `media' has not been specified. 967 */ 968 969 type = IFM_TYPE(media_current); 970 inst = IFM_INST(media_current); 971 972 /* Look up the subtype. */ 973 subtype = get_media_subtype(type, val); 974 975 /* Build the new current media word. */ 976 media_current = IFM_MAKEWORD(type, subtype, 0, inst); 977 978 /* Media will be set after other processing is complete. */ 979 } 980 981 void 982 setmediaopt(val, d) 983 char *val; 984 int d; 985 { 986 987 init_current_media(); 988 989 /* Can only issue `mediaopt' once. */ 990 if (actions & A_MEDIAOPTSET) 991 errx(1, "only one `mediaopt' command may be issued"); 992 993 /* Can't issue `mediaopt' if `instance' has already been issued. */ 994 if (actions & A_MEDIAINST) 995 errx(1, "may not issue `mediaopt' after `instance'"); 996 997 mediaopt_set = get_media_options(IFM_TYPE(media_current), val); 998 999 /* Media will be set after other processing is complete. */ 1000 } 1001 1002 void 1003 unsetmediaopt(val, d) 1004 char *val; 1005 int d; 1006 { 1007 1008 init_current_media(); 1009 1010 /* Can only issue `-mediaopt' once. */ 1011 if (actions & A_MEDIAOPTCLR) 1012 errx(1, "only one `-mediaopt' command may be issued"); 1013 1014 /* May not issue `media' and `-mediaopt'. */ 1015 if (actions & A_MEDIA) 1016 errx(1, "may not issue both `media' and `-mediaopt'"); 1017 1018 /* 1019 * No need to check for A_MEDIAINST, since the test for A_MEDIA 1020 * implicitly checks for A_MEDIAINST. 1021 */ 1022 1023 mediaopt_clear = get_media_options(IFM_TYPE(media_current), val); 1024 1025 /* Media will be set after other processing is complete. */ 1026 } 1027 1028 void 1029 setmediainst(val, d) 1030 char *val; 1031 int d; 1032 { 1033 int type, subtype, options, inst; 1034 1035 init_current_media(); 1036 1037 /* Can only issue `instance' once. */ 1038 if (actions & A_MEDIAINST) 1039 errx(1, "only one `instance' command may be issued"); 1040 1041 /* Must have already specified `media' */ 1042 if ((actions & A_MEDIA) == 0) 1043 errx(1, "must specify `media' before `instance'"); 1044 1045 type = IFM_TYPE(media_current); 1046 subtype = IFM_SUBTYPE(media_current); 1047 options = IFM_OPTIONS(media_current); 1048 1049 inst = atoi(val); 1050 if (inst < 0 || inst > IFM_INST_MAX) 1051 errx(1, "invalid media instance: %s", val); 1052 1053 media_current = IFM_MAKEWORD(type, subtype, options, inst); 1054 1055 /* Media will be set after other processing is complete. */ 1056 } 1057 1058 struct ifmedia_description ifm_type_descriptions[] = 1059 IFM_TYPE_DESCRIPTIONS; 1060 1061 struct ifmedia_description ifm_subtype_descriptions[] = 1062 IFM_SUBTYPE_DESCRIPTIONS; 1063 1064 struct ifmedia_description ifm_option_descriptions[] = 1065 IFM_OPTION_DESCRIPTIONS; 1066 1067 const char * 1068 get_media_type_string(mword) 1069 int mword; 1070 { 1071 struct ifmedia_description *desc; 1072 1073 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; 1074 desc++) { 1075 if (IFM_TYPE(mword) == desc->ifmt_word) 1076 return (desc->ifmt_string); 1077 } 1078 return ("<unknown type>"); 1079 } 1080 1081 const char * 1082 get_media_subtype_string(mword) 1083 int mword; 1084 { 1085 struct ifmedia_description *desc; 1086 1087 for (desc = ifm_subtype_descriptions; desc->ifmt_string != NULL; 1088 desc++) { 1089 if (IFM_TYPE_MATCH(desc->ifmt_word, mword) && 1090 IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(mword)) 1091 return (desc->ifmt_string); 1092 } 1093 return ("<unknown subtype>"); 1094 } 1095 1096 int 1097 get_media_subtype(type, val) 1098 int type; 1099 const char *val; 1100 { 1101 int rval; 1102 1103 rval = lookup_media_word(ifm_subtype_descriptions, type, val); 1104 if (rval == -1) 1105 errx(1, "unknown %s media subtype: %s", 1106 get_media_type_string(type), val); 1107 1108 return (rval); 1109 } 1110 1111 int 1112 get_media_options(type, val) 1113 int type; 1114 const char *val; 1115 { 1116 char *optlist, *str; 1117 int option, rval = 0; 1118 1119 /* We muck with the string, so copy it. */ 1120 optlist = strdup(val); 1121 if (optlist == NULL) 1122 err(1, "strdup"); 1123 str = optlist; 1124 1125 /* 1126 * Look up the options in the user-provided comma-separated list. 1127 */ 1128 for (; (str = strtok(str, ",")) != NULL; str = NULL) { 1129 option = lookup_media_word(ifm_option_descriptions, type, str); 1130 if (option == -1) 1131 errx(1, "unknown %s media option: %s", 1132 get_media_type_string(type), str); 1133 rval |= option; 1134 } 1135 1136 free(optlist); 1137 return (rval); 1138 } 1139 1140 int 1141 lookup_media_word(desc, type, val) 1142 struct ifmedia_description *desc; 1143 int type; 1144 const char *val; 1145 { 1146 1147 for (; desc->ifmt_string != NULL; desc++) { 1148 if (IFM_TYPE_MATCH(desc->ifmt_word, type) && 1149 strcasecmp(desc->ifmt_string, val) == 0) 1150 return (desc->ifmt_word); 1151 } 1152 return (-1); 1153 } 1154 1155 void 1156 print_media_word(ifmw, print_type, as_syntax) 1157 int ifmw, print_type, as_syntax; 1158 { 1159 struct ifmedia_description *desc; 1160 int seen_option = 0; 1161 1162 if (print_type) 1163 printf("%s ", get_media_type_string(ifmw)); 1164 printf("%s%s", as_syntax ? "media " : "", 1165 get_media_subtype_string(ifmw)); 1166 1167 /* Find options. */ 1168 for (desc = ifm_option_descriptions; desc->ifmt_string != NULL; 1169 desc++) { 1170 if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) && 1171 (ifmw & desc->ifmt_word) != 0 && 1172 (seen_option & IFM_OPTIONS(desc->ifmt_word)) == 0) { 1173 if (seen_option == 0) 1174 printf(" %s", as_syntax ? "mediaopt " : ""); 1175 printf("%s%s", seen_option ? "," : "", 1176 desc->ifmt_string); 1177 seen_option |= IFM_OPTIONS(desc->ifmt_word); 1178 } 1179 } 1180 if (IFM_INST(ifmw) != 0) 1181 printf(" instance %d", IFM_INST(ifmw)); 1182 } 1183 1184 int carrier() 1185 { 1186 struct ifmediareq ifmr; 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 * assume ok. 1195 */ 1196 return 0; 1197 } 1198 if ((ifmr.ifm_status & IFM_AVALID) == 0) { 1199 /* 1200 * Interface doesn't report media-valid status. 1201 * assume ok. 1202 */ 1203 return 0; 1204 } 1205 /* otherwise, return ok for active, not-ok if not active. */ 1206 return !(ifmr.ifm_status & IFM_ACTIVE); 1207 } 1208 1209 1210 #define IFFBITS \ 1211 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\ 1212 \11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST" 1213 1214 /* 1215 * Print the status of the interface. If an address family was 1216 * specified, show it and it only; otherwise, show them all. 1217 */ 1218 void 1219 status(ap, alen) 1220 const u_int8_t *ap; 1221 int alen; 1222 { 1223 struct afswtch *p = afp; 1224 struct ifmediareq ifmr; 1225 int *media_list, i; 1226 1227 printf("%s: ", name); 1228 printb("flags", flags, IFFBITS); 1229 if (metric) 1230 printf(" metric %d", metric); 1231 if (mtu) 1232 printf(" mtu %d", mtu); 1233 putchar('\n'); 1234 if (ap && alen > 0) { 1235 printf("\taddress:"); 1236 for (i = 0; i < alen; i++, ap++) 1237 printf("%c%02x", i > 0 ? ':' : ' ', *ap); 1238 putchar('\n'); 1239 } 1240 1241 (void) memset(&ifmr, 0, sizeof(ifmr)); 1242 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 1243 1244 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 1245 /* 1246 * Interface doesn't support SIOC{G,S}IFMEDIA. 1247 */ 1248 goto proto_status; 1249 } 1250 1251 if (ifmr.ifm_count == 0) { 1252 warnx("%s: no media types?", name); 1253 goto proto_status; 1254 } 1255 1256 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 1257 if (media_list == NULL) 1258 err(1, "malloc"); 1259 ifmr.ifm_ulist = media_list; 1260 1261 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) 1262 err(1, "SIOCGIFMEDIA"); 1263 1264 printf("\tmedia: "); 1265 print_media_word(ifmr.ifm_current, 1, 0); 1266 if (ifmr.ifm_active != ifmr.ifm_current) { 1267 putchar(' '); 1268 putchar('('); 1269 print_media_word(ifmr.ifm_active, 0, 0); 1270 putchar(')'); 1271 } 1272 putchar('\n'); 1273 1274 if (ifmr.ifm_status & IFM_AVALID) { 1275 printf("\tstatus: "); 1276 switch (IFM_TYPE(ifmr.ifm_active)) { 1277 case IFM_ETHER: 1278 if (ifmr.ifm_status & IFM_ACTIVE) 1279 printf("active"); 1280 else 1281 printf("no carrier"); 1282 break; 1283 1284 case IFM_FDDI: 1285 case IFM_TOKEN: 1286 if (ifmr.ifm_status & IFM_ACTIVE) 1287 printf("inserted"); 1288 else 1289 printf("no ring"); 1290 break; 1291 default: 1292 printf("unknown"); 1293 } 1294 putchar('\n'); 1295 } 1296 1297 if (mflag) { 1298 int type, printed_type; 1299 1300 for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) { 1301 for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) { 1302 if (IFM_TYPE(media_list[i]) == type) { 1303 if (printed_type == 0) { 1304 printf("\tsupported %s media:\n", 1305 get_media_type_string(type)); 1306 printed_type = 1; 1307 } 1308 printf("\t\t"); 1309 print_media_word(media_list[i], 0, 1); 1310 printf("\n"); 1311 } 1312 } 1313 } 1314 } 1315 1316 free(media_list); 1317 1318 proto_status: 1319 if ((p = afp) != NULL) { 1320 (*p->af_status)(1); 1321 if (Aflag & !aflag) 1322 printalias(name, p->af_af); 1323 } else for (p = afs; p->af_name; p++) { 1324 ifr.ifr_addr.sa_family = p->af_af; 1325 (*p->af_status)(0); 1326 if (Aflag & !aflag && p->af_af == AF_INET) 1327 printalias(name, p->af_af); 1328 } 1329 } 1330 1331 void 1332 in_alias(creq) 1333 struct ifreq *creq; 1334 { 1335 struct sockaddr_in *sin; 1336 1337 if (lflag) 1338 return; 1339 1340 /* Get the non-alias address for this interface. */ 1341 getsock(AF_INET); 1342 if (s < 0) { 1343 if (errno == EPROTONOSUPPORT) 1344 return; 1345 err(1, "socket"); 1346 } 1347 (void) memset(&ifr, 0, sizeof(ifr)); 1348 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1349 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 1350 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1351 return; 1352 } else 1353 warn("SIOCGIFADDR"); 1354 } 1355 /* If creq and ifr are the same address, this is not an alias. */ 1356 if (memcmp(&ifr.ifr_addr, &creq->ifr_addr, 1357 sizeof(creq->ifr_addr)) == 0) 1358 return; 1359 (void) memset(&addreq, 0, sizeof(addreq)); 1360 (void) strncpy(addreq.ifra_name, name, sizeof(addreq.ifra_name)); 1361 addreq.ifra_addr = creq->ifr_addr; 1362 if (ioctl(s, SIOCGIFALIAS, (caddr_t)&addreq) < 0) { 1363 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1364 return; 1365 } else 1366 warn("SIOCGIFALIAS"); 1367 } 1368 1369 sin = (struct sockaddr_in *)&addreq.ifra_addr; 1370 printf("\tinet alias %s", inet_ntoa(sin->sin_addr)); 1371 1372 if (flags & IFF_POINTOPOINT) { 1373 sin = (struct sockaddr_in *)&addreq.ifra_dstaddr; 1374 printf(" -> %s", inet_ntoa(sin->sin_addr)); 1375 } 1376 1377 sin = (struct sockaddr_in *)&addreq.ifra_mask; 1378 printf(" netmask 0x%x", ntohl(sin->sin_addr.s_addr)); 1379 1380 if (flags & IFF_BROADCAST) { 1381 sin = (struct sockaddr_in *)&addreq.ifra_broadaddr; 1382 printf(" broadcast %s", inet_ntoa(sin->sin_addr)); 1383 } 1384 printf("\n"); 1385 } 1386 1387 void 1388 in_status(force) 1389 int force; 1390 { 1391 struct sockaddr_in *sin; 1392 1393 getsock(AF_INET); 1394 if (s < 0) { 1395 if (errno == EPROTONOSUPPORT) 1396 return; 1397 err(1, "socket"); 1398 } 1399 (void) memset(&ifr, 0, sizeof(ifr)); 1400 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1401 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 1402 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1403 if (!force) 1404 return; 1405 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1406 } else 1407 warn("SIOCGIFADDR"); 1408 } 1409 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1410 sin = (struct sockaddr_in *)&ifr.ifr_addr; 1411 printf("\tinet %s ", inet_ntoa(sin->sin_addr)); 1412 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1413 if (ioctl(s, SIOCGIFNETMASK, (caddr_t)&ifr) < 0) { 1414 if (errno != EADDRNOTAVAIL) 1415 warn("SIOCGIFNETMASK"); 1416 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1417 } else 1418 netmask.sin_addr = 1419 ((struct sockaddr_in *)&ifr.ifr_addr)->sin_addr; 1420 if (flags & IFF_POINTOPOINT) { 1421 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 1422 if (errno == EADDRNOTAVAIL) 1423 (void) memset(&ifr.ifr_addr, 0, 1424 sizeof(ifr.ifr_addr)); 1425 else 1426 warn("SIOCGIFDSTADDR"); 1427 } 1428 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1429 sin = (struct sockaddr_in *)&ifr.ifr_dstaddr; 1430 printf("--> %s ", inet_ntoa(sin->sin_addr)); 1431 } 1432 printf("netmask 0x%x ", ntohl(netmask.sin_addr.s_addr)); 1433 if (flags & IFF_BROADCAST) { 1434 if (ioctl(s, SIOCGIFBRDADDR, (caddr_t)&ifr) < 0) { 1435 if (errno == EADDRNOTAVAIL) 1436 (void) memset(&ifr.ifr_addr, 0, 1437 sizeof(ifr.ifr_addr)); 1438 else 1439 warn("SIOCGIFBRDADDR"); 1440 } 1441 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1442 sin = (struct sockaddr_in *)&ifr.ifr_addr; 1443 if (sin->sin_addr.s_addr != 0) 1444 printf("broadcast %s", inet_ntoa(sin->sin_addr)); 1445 } 1446 putchar('\n'); 1447 } 1448 1449 void 1450 setifprefixlen(addr, d) 1451 char *addr; 1452 int d; 1453 { 1454 if (*afp->af_getprefix) 1455 (*afp->af_getprefix)(addr, MASK); 1456 explicit_prefix = 1; 1457 } 1458 1459 #ifdef INET6 1460 /* XXX not really an alias */ 1461 void 1462 in6_alias(creq) 1463 struct in6_ifreq *creq; 1464 { 1465 struct sockaddr_in6 *sin6; 1466 1467 /* Get the non-alias address for this interface. */ 1468 getsock(AF_INET6); 1469 if (s < 0) { 1470 if (errno == EPROTONOSUPPORT) 1471 return; 1472 err(1, "socket"); 1473 } 1474 1475 sin6 = (struct sockaddr_in6 *)&creq->ifr_addr; 1476 1477 printf("\tinet6 %s", inet_ntop(AF_INET6, &sin6->sin6_addr, 1478 ntop_buf, sizeof(ntop_buf))); 1479 1480 if (flags & IFF_POINTOPOINT) { 1481 (void) memset(&ifr6, 0, sizeof(ifr6)); 1482 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 1483 ifr6.ifr_addr = creq->ifr_addr; 1484 if (ioctl(s, SIOCGIFDSTADDR_IN6, (caddr_t)&ifr6) < 0) { 1485 if (errno != EADDRNOTAVAIL) 1486 warn("SIOCGIFDSTADDR_IN6"); 1487 (void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr)); 1488 ifr6.ifr_addr.sin6_family = AF_INET6; 1489 ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6); 1490 } 1491 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 1492 printf(" -> %s", inet_ntop(AF_INET6, &sin6->sin6_addr, 1493 ntop_buf, sizeof(ntop_buf))); 1494 } 1495 1496 (void) memset(&ifr6, 0, sizeof(ifr6)); 1497 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 1498 ifr6.ifr_addr = creq->ifr_addr; 1499 if (ioctl(s, SIOCGIFNETMASK_IN6, (caddr_t)&ifr6) < 0) { 1500 if (errno != EADDRNOTAVAIL) 1501 warn("SIOCGIFNETMASK_IN6"); 1502 } else { 1503 sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr; 1504 printf(" prefixlen %d", prefix(&sin6->sin6_addr, 1505 sizeof(struct in6_addr))); 1506 } 1507 1508 (void) memset(&ifr6, 0, sizeof(ifr6)); 1509 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 1510 ifr6.ifr_addr = creq->ifr_addr; 1511 if (ioctl(s, SIOCGIFAFLAG_IN6, (caddr_t)&ifr6) < 0) { 1512 if (errno != EADDRNOTAVAIL) 1513 warn("SIOCGIFAFLAG_IN6"); 1514 } else { 1515 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST) 1516 printf(" anycast"); 1517 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE) 1518 printf(" tentative"); 1519 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED) 1520 printf(" duplicated"); 1521 if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED) 1522 printf(" detached"); 1523 } 1524 1525 if (Lflag) { 1526 struct in6_addrlifetime *lifetime; 1527 (void) memset(&ifr6, 0, sizeof(ifr6)); 1528 (void) strncpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name)); 1529 ifr6.ifr_addr = creq->ifr_addr; 1530 lifetime = &ifr6.ifr_ifru.ifru_lifetime; 1531 if (ioctl(s, SIOCGIFALIFETIME_IN6, (caddr_t)&ifr6) < 0) { 1532 if (errno != EADDRNOTAVAIL) 1533 warn("SIOCGIFALIFETIME_IN6"); 1534 } else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) { 1535 time_t t = time(NULL); 1536 printf(" pltime "); 1537 if (lifetime->ia6t_preferred) { 1538 printf("%s", lifetime->ia6t_preferred < t 1539 ? "0" 1540 : sec2str(lifetime->ia6t_preferred - t)); 1541 } else 1542 printf("infty"); 1543 1544 printf(" vltime "); 1545 if (lifetime->ia6t_expire) { 1546 printf("%s", lifetime->ia6t_expire < t 1547 ? "0" 1548 : sec2str(lifetime->ia6t_expire - t)); 1549 } else 1550 printf("infty"); 1551 } 1552 } 1553 1554 printf("\n"); 1555 } 1556 1557 void 1558 in6_status(force) 1559 int force; 1560 { 1561 char inbuf[8192]; 1562 struct ifconf ifc; 1563 struct ifreq *ifr; 1564 int i; 1565 1566 ifc.ifc_len = sizeof(inbuf); 1567 ifc.ifc_buf = inbuf; 1568 getsock(af); 1569 if (s < 0) 1570 err(1, "socket"); 1571 if (ioctl(s, SIOCGIFCONF, &ifc) < 0) 1572 err(1, "SIOCGIFCONF"); 1573 ifr = ifc.ifc_req; 1574 for (i = 0; i < ifc.ifc_len; ) { 1575 ifr = (struct ifreq *)((caddr_t)ifc.ifc_req + i); 1576 i += sizeof(ifr->ifr_name) + 1577 (ifr->ifr_addr.sa_len > sizeof(struct sockaddr) 1578 ? ifr->ifr_addr.sa_len 1579 : sizeof(struct sockaddr)); 1580 if (!strncmp(name, ifr->ifr_name, sizeof(ifr->ifr_name))) { 1581 if (ifr->ifr_addr.sa_family == AF_INET6) 1582 in6_alias((struct in6_ifreq *)ifr); 1583 } 1584 } 1585 } 1586 #endif /*INET6*/ 1587 1588 #ifndef INET_ONLY 1589 1590 void 1591 at_status(force) 1592 int force; 1593 { 1594 struct sockaddr_at *sat, null_sat; 1595 struct netrange *nr; 1596 1597 getsock(AF_APPLETALK); 1598 if (s < 0) { 1599 if (errno == EPROTONOSUPPORT) 1600 return; 1601 err(1, "socket"); 1602 } 1603 (void) memset(&ifr, 0, sizeof(ifr)); 1604 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1605 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 1606 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1607 if (!force) 1608 return; 1609 (void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1610 } else 1611 warn("SIOCGIFADDR"); 1612 } 1613 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 1614 sat = (struct sockaddr_at *)&ifr.ifr_addr; 1615 1616 (void) memset(&null_sat, 0, sizeof(null_sat)); 1617 1618 nr = (struct netrange *) &sat->sat_zero; 1619 printf("\tatalk %d.%d range %d-%d phase %d", 1620 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 1621 ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase); 1622 if (flags & IFF_POINTOPOINT) { 1623 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 1624 if (errno == EADDRNOTAVAIL) 1625 (void) memset(&ifr.ifr_addr, 0, 1626 sizeof(ifr.ifr_addr)); 1627 else 1628 warn("SIOCGIFDSTADDR"); 1629 } 1630 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1631 sat = (struct sockaddr_at *)&ifr.ifr_dstaddr; 1632 if (!sat) 1633 sat = &null_sat; 1634 printf("--> %d.%d", 1635 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node); 1636 } 1637 if (flags & IFF_BROADCAST) { 1638 /* note RTAX_BRD overlap with IFF_POINTOPOINT */ 1639 sat = (struct sockaddr_at *)&ifr.ifr_broadaddr; 1640 if (sat) 1641 printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net), 1642 sat->sat_addr.s_node); 1643 } 1644 putchar('\n'); 1645 } 1646 1647 void 1648 xns_status(force) 1649 int force; 1650 { 1651 struct sockaddr_ns *sns; 1652 1653 getsock(AF_NS); 1654 if (s < 0) { 1655 if (errno == EPROTONOSUPPORT) 1656 return; 1657 err(1, "socket"); 1658 } 1659 (void) memset(&ifr, 0, sizeof(ifr)); 1660 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1661 if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) { 1662 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1663 if (!force) 1664 return; 1665 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1666 } else 1667 warn("SIOCGIFADDR"); 1668 } 1669 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 1670 sns = (struct sockaddr_ns *)&ifr.ifr_addr; 1671 printf("\tns %s ", ns_ntoa(sns->sns_addr)); 1672 if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */ 1673 if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) { 1674 if (errno == EADDRNOTAVAIL) 1675 memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr)); 1676 else 1677 warn("SIOCGIFDSTADDR"); 1678 } 1679 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1680 sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr; 1681 printf("--> %s ", ns_ntoa(sns->sns_addr)); 1682 } 1683 putchar('\n'); 1684 } 1685 1686 void 1687 iso_status(force) 1688 int force; 1689 { 1690 struct sockaddr_iso *siso; 1691 struct iso_ifreq ifr; 1692 1693 getsock(AF_ISO); 1694 if (s < 0) { 1695 if (errno == EPROTONOSUPPORT) 1696 return; 1697 err(1, "socket"); 1698 } 1699 (void) memset(&ifr, 0, sizeof(ifr)); 1700 (void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 1701 if (ioctl(s, SIOCGIFADDR_ISO, (caddr_t)&ifr) < 0) { 1702 if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) { 1703 if (!force) 1704 return; 1705 (void) memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 1706 } else 1707 warn("SIOCGIFADDR_ISO"); 1708 } 1709 (void) strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); 1710 siso = &ifr.ifr_Addr; 1711 printf("\tiso %s ", iso_ntoa(&siso->siso_addr)); 1712 if (ioctl(s, SIOCGIFNETMASK_ISO, (caddr_t)&ifr) < 0) { 1713 if (errno == EADDRNOTAVAIL) 1714 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 1715 else 1716 warn("SIOCGIFNETMASK_ISO"); 1717 } else { 1718 if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr)) 1719 siso->siso_addr.isoa_len = siso->siso_len 1720 - offsetof(struct sockaddr_iso, siso_addr); 1721 printf("\n\t\tnetmask %s ", iso_ntoa(&siso->siso_addr)); 1722 } 1723 if (flags & IFF_POINTOPOINT) { 1724 if (ioctl(s, SIOCGIFDSTADDR_ISO, (caddr_t)&ifr) < 0) { 1725 if (errno == EADDRNOTAVAIL) 1726 memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr)); 1727 else 1728 warn("SIOCGIFDSTADDR_ISO"); 1729 } 1730 (void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 1731 siso = &ifr.ifr_Addr; 1732 printf("--> %s ", iso_ntoa(&siso->siso_addr)); 1733 } 1734 putchar('\n'); 1735 } 1736 1737 #endif /* INET_ONLY */ 1738 1739 #define SIN(x) ((struct sockaddr_in *) &(x)) 1740 struct sockaddr_in *sintab[] = { 1741 SIN(ridreq.ifr_addr), SIN(addreq.ifra_addr), 1742 SIN(addreq.ifra_mask), SIN(addreq.ifra_broadaddr)}; 1743 1744 void 1745 in_getaddr(s, which) 1746 char *s; 1747 int which; 1748 { 1749 struct sockaddr_in *sin = sintab[which]; 1750 struct hostent *hp; 1751 struct netent *np; 1752 1753 sin->sin_len = sizeof(*sin); 1754 if (which != MASK) 1755 sin->sin_family = AF_INET; 1756 1757 if (inet_aton(s, &sin->sin_addr) == 0) { 1758 if ((hp = gethostbyname(s)) != NULL) 1759 (void) memcpy(&sin->sin_addr, hp->h_addr, hp->h_length); 1760 else if ((np = getnetbyname(s)) != NULL) 1761 sin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY); 1762 else 1763 errx(1, "%s: bad value", s); 1764 } 1765 } 1766 1767 /* 1768 * Print a value a la the %b format of the kernel's printf 1769 */ 1770 void 1771 printb(s, v, bits) 1772 char *s; 1773 char *bits; 1774 unsigned short v; 1775 { 1776 int i, any = 0; 1777 char c; 1778 1779 if (bits && *bits == 8) 1780 printf("%s=%o", s, v); 1781 else 1782 printf("%s=%x", s, v); 1783 bits++; 1784 if (bits) { 1785 putchar('<'); 1786 while ((i = *bits++) != 0) { 1787 if (v & (1 << (i-1))) { 1788 if (any) 1789 putchar(','); 1790 any = 1; 1791 for (; (c = *bits) > 32; bits++) 1792 putchar(c); 1793 } else 1794 for (; *bits > 32; bits++) 1795 ; 1796 } 1797 putchar('>'); 1798 } 1799 } 1800 1801 #ifdef INET6 1802 #define SIN6(x) ((struct sockaddr_in6 *) &(x)) 1803 struct sockaddr_in6 *sin6tab[] = { 1804 SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr), 1805 SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)}; 1806 1807 void 1808 in6_getaddr(s, which) 1809 char *s; 1810 int which; 1811 { 1812 struct sockaddr_in6 *sin = sin6tab[which]; 1813 1814 sin->sin6_len = sizeof(*sin); 1815 if (which != MASK) 1816 sin->sin6_family = AF_INET6; 1817 1818 if (inet_pton(AF_INET6, s, &sin->sin6_addr) <= 0) 1819 errx(1, "%s: bad value", s); 1820 } 1821 1822 void 1823 in6_getprefix(plen, which) 1824 char *plen; 1825 int which; 1826 { 1827 register struct sockaddr_in6 *sin = sin6tab[which]; 1828 register u_char *cp; 1829 int len = strtol(plen, (char **)NULL, 10); 1830 1831 if ((len < 0) || (len > 128)) 1832 errx(1, "%s: bad value", plen); 1833 sin->sin6_len = sizeof(*sin); 1834 if (which != MASK) 1835 sin->sin6_family = AF_INET6; 1836 if ((len == 0) || (len == 128)) { 1837 memset(&sin->sin6_addr, 0xff, sizeof(struct in6_addr)); 1838 return; 1839 } 1840 memset((void *)&sin->sin6_addr, 0x00, sizeof(sin->sin6_addr)); 1841 for (cp = (u_char *)&sin->sin6_addr; len > 7; len -= 8) 1842 *cp++ = 0xff; 1843 *cp = 0xff << (8 - len); 1844 } 1845 1846 int 1847 prefix(val, size) 1848 void *val; 1849 int size; 1850 { 1851 register u_char *name = (u_char *)val; 1852 register int byte, bit, plen = 0; 1853 1854 for (byte = 0; byte < size; byte++, plen += 8) 1855 if (name[byte] != 0xff) 1856 break; 1857 if (byte == size) 1858 return (plen); 1859 for (bit = 7; bit != 0; bit--, plen++) 1860 if (!(name[byte] & (1 << bit))) 1861 break; 1862 for (; bit != 0; bit--) 1863 if (name[byte] & (1 << bit)) 1864 return(0); 1865 byte++; 1866 for (; byte < size; byte++) 1867 if (name[byte]) 1868 return(0); 1869 return (plen); 1870 } 1871 #endif /*INET6*/ 1872 1873 #ifndef INET_ONLY 1874 void 1875 at_getaddr(addr, which) 1876 char *addr; 1877 int which; 1878 { 1879 struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr; 1880 u_int net, node; 1881 1882 sat->sat_family = AF_APPLETALK; 1883 sat->sat_len = sizeof(*sat); 1884 if (which == MASK) 1885 errx(1, "AppleTalk does not use netmasks\n"); 1886 if (sscanf(addr, "%u.%u", &net, &node) != 2 1887 || net == 0 || net > 0xffff || node == 0 || node > 0xfe) 1888 errx(1, "%s: illegal address", addr); 1889 sat->sat_addr.s_net = htons(net); 1890 sat->sat_addr.s_node = node; 1891 } 1892 1893 void 1894 setatrange(range, d) 1895 char *range; 1896 int d; 1897 { 1898 u_short first = 123, last = 123; 1899 1900 if (sscanf(range, "%hu-%hu", &first, &last) != 2 1901 || first == 0 || first > 0xffff 1902 || last == 0 || last > 0xffff || first > last) 1903 errx(1, "%s: illegal net range: %u-%u", range, first, last); 1904 at_nr.nr_firstnet = htons(first); 1905 at_nr.nr_lastnet = htons(last); 1906 } 1907 1908 void 1909 setatphase(phase, d) 1910 char *phase; 1911 int d; 1912 { 1913 if (!strcmp(phase, "1")) 1914 at_nr.nr_phase = 1; 1915 else if (!strcmp(phase, "2")) 1916 at_nr.nr_phase = 2; 1917 else 1918 errx(1, "%s: illegal phase", phase); 1919 } 1920 1921 void 1922 checkatrange(sat) 1923 struct sockaddr_at *sat; 1924 { 1925 if (at_nr.nr_phase == 0) 1926 at_nr.nr_phase = 2; /* Default phase 2 */ 1927 if (at_nr.nr_firstnet == 0) 1928 at_nr.nr_firstnet = /* Default range of one */ 1929 at_nr.nr_lastnet = sat->sat_addr.s_net; 1930 printf("\tatalk %d.%d range %d-%d phase %d\n", 1931 ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node, 1932 ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase); 1933 if ((u_short) ntohs(at_nr.nr_firstnet) > 1934 (u_short) ntohs(sat->sat_addr.s_net) 1935 || (u_short) ntohs(at_nr.nr_lastnet) < 1936 (u_short) ntohs(sat->sat_addr.s_net)) 1937 errx(1, "AppleTalk address is not in range"); 1938 *((struct netrange *) &sat->sat_zero) = at_nr; 1939 } 1940 1941 #define SNS(x) ((struct sockaddr_ns *) &(x)) 1942 struct sockaddr_ns *snstab[] = { 1943 SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr), 1944 SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)}; 1945 1946 void 1947 xns_getaddr(addr, which) 1948 char *addr; 1949 int which; 1950 { 1951 struct sockaddr_ns *sns = snstab[which]; 1952 1953 sns->sns_family = AF_NS; 1954 sns->sns_len = sizeof(*sns); 1955 sns->sns_addr = ns_addr(addr); 1956 if (which == MASK) 1957 puts("Attempt to set XNS netmask will be ineffectual"); 1958 } 1959 1960 #define SISO(x) ((struct sockaddr_iso *) &(x)) 1961 struct sockaddr_iso *sisotab[] = { 1962 SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr), 1963 SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)}; 1964 1965 void 1966 iso_getaddr(addr, which) 1967 char *addr; 1968 int which; 1969 { 1970 struct sockaddr_iso *siso = sisotab[which]; 1971 siso->siso_addr = *iso_addr(addr); 1972 1973 if (which == MASK) { 1974 siso->siso_len = TSEL(siso) - (caddr_t)(siso); 1975 siso->siso_nlen = 0; 1976 } else { 1977 siso->siso_len = sizeof(*siso); 1978 siso->siso_family = AF_ISO; 1979 } 1980 } 1981 1982 void 1983 setsnpaoffset(val, d) 1984 char *val; 1985 int d; 1986 { 1987 iso_addreq.ifra_snpaoffset = atoi(val); 1988 } 1989 1990 void 1991 setnsellength(val, d) 1992 char *val; 1993 int d; 1994 { 1995 nsellength = atoi(val); 1996 if (nsellength < 0) 1997 errx(1, "Negative NSEL length is absurd"); 1998 if (afp == 0 || afp->af_af != AF_ISO) 1999 errx(1, "Setting NSEL length valid only for iso"); 2000 } 2001 2002 void 2003 fixnsel(s) 2004 struct sockaddr_iso *s; 2005 { 2006 if (s->siso_family == 0) 2007 return; 2008 s->siso_tlen = nsellength; 2009 } 2010 2011 void 2012 adjust_nsellength() 2013 { 2014 fixnsel(sisotab[RIDADDR]); 2015 fixnsel(sisotab[ADDR]); 2016 fixnsel(sisotab[DSTADDR]); 2017 } 2018 2019 #endif /* INET_ONLY */ 2020 2021 void 2022 usage() 2023 { 2024 fprintf(stderr, 2025 "usage: ifconfig [ -m ] [ -A ] %s interface\n%s%s%s%s%s%s%s%s%s%s%s%s", 2026 #ifdef INET6 2027 "[ -L ]", 2028 #else 2029 "", 2030 #endif 2031 "\t[ af [ address [ dest_addr ] ] [ up ] [ down ] ", 2032 "[ netmask mask ] ]\n", 2033 "\t[ metric n ]\n", 2034 "\t[ mtu n ]\n", 2035 "\t[ arp | -arp ]\n", 2036 "\t[ media mtype ]\n", 2037 "\t[ mediaopt mopts ]\n", 2038 "\t[ -mediaopt mopts ]\n", 2039 "\t[ instance minst ]\n", 2040 "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n", 2041 " ifconfig -a [ -A ] [ -m ] [ -d ] [ -u ] [ af ]\n", 2042 " ifconfig -l [ -d ] [ -u ]\n"); 2043 exit(1); 2044 } 2045 2046 #ifdef INET6 2047 char * 2048 sec2str(total) 2049 time_t total; 2050 { 2051 static char result[256]; 2052 int days, hours, mins, secs; 2053 int first = 1; 2054 char *p = result; 2055 2056 if (0) { /*XXX*/ 2057 days = total / 3600 / 24; 2058 hours = (total / 3600) % 24; 2059 mins = (total / 60) % 60; 2060 secs = total % 60; 2061 2062 if (days) { 2063 first = 0; 2064 p += sprintf(p, "%dd", days); 2065 } 2066 if (!first || hours) { 2067 first = 0; 2068 p += sprintf(p, "%dh", hours); 2069 } 2070 if (!first || mins) { 2071 first = 0; 2072 p += sprintf(p, "%dm", mins); 2073 } 2074 sprintf(p, "%ds", secs); 2075 } else 2076 sprintf(p, "%lu", (u_long)total); 2077 2078 return(result); 2079 } 2080 #endif 2081
Indexes created Tue Sep 30 11:09:46 GMT 2025